yz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r1) sendmsg$NBD_CMD_DISCONNECT(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f00000004c0)=ANY=[@ANYBLOB='l\x00\x00\x00', @ANYRES16=r2, @ANYBLOB="01002dbd7000fddbdf25020000000c0003", @ANYRES32, @ANYBLOB="08000100"], 0x6c}, 0x1, 0x0, 0x0, 0x80000}, 0x80) 12:26:19 executing program 0: socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) r1 = syz_open_dev$ndb(0x0, 0x0, 0x2) ioctl$NBD_SET_SOCK(r1, 0xab00, r0) 12:26:19 executing program 4: openat$thread_pidfd(0xffffffffffffff9c, 0x0, 0x0, 0x0) 12:26:19 executing program 3: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x103080) ioctl$NBD_SET_SOCK(r0, 0xab00, 0xffffffffffffffff) [ 339.603688] netlink: 68 bytes leftover after parsing attributes in process `syz-executor.2'. [ 339.634173] nbd: couldn't find device at index -1 12:26:19 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r4 = syz_genetlink_get_family_id$nl802154(&(0x7f00000013c0), 0xffffffffffffffff) sendmsg$NL802154_CMD_SET_CCA_MODE(r3, &(0x7f0000001500)={&(0x7f0000001380), 0xc, &(0x7f00000014c0)={&(0x7f0000001440)={0x24, r4, 0x1, 0x0, 0x0, {}, [@NL802154_ATTR_CCA_MODE={0x8}, @NL802154_ATTR_IFINDEX={0x8}]}, 0x24}}, 0x0) r5 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NL802154_CMD_SET_CCA_ED_LEVEL(r5, &(0x7f0000000b40)={&(0x7f0000000a80), 0xc, &(0x7f0000000b00)={&(0x7f0000000ac0)={0x14, 0x0, 0x1}, 0x14}}, 0x0) r6 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r7 = syz_genetlink_get_family_id$nl802154(&(0x7f00000013c0), 0xffffffffffffffff) sendmsg$NL802154_CMD_SET_CCA_MODE(r6, &(0x7f0000001500)={&(0x7f0000001380), 0xc, &(0x7f00000014c0)={&(0x7f0000001440)={0x24, r7, 0x1, 0x0, 0x0, {}, [@NL802154_ATTR_CCA_MODE={0x8}, @NL802154_ATTR_IFINDEX={0x8}]}, 0x24}}, 0x0) r8 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) ioctl$sock_SIOCGIFINDEX_802154(r8, 0x8933, &(0x7f0000000740)={'wpan0\x00', 0x0}) r10 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r11 = syz_genetlink_get_family_id$nl802154(&(0x7f00000013c0), 0xffffffffffffffff) sendmsg$NL802154_CMD_GET_WPAN_PHY(r10, &(0x7f0000000cc0)={0x0, 0x0, &(0x7f0000000c80)={&(0x7f00000003c0)=ANY=[@ANYBLOB='0\x00\x00\x00', @ANYRES16=r11, @ANYBLOB="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", @ANYRES32=r9, @ANYBLOB="0c0006000100000001000000"], 0x30}}, 0x0) sendmsg$NL802154_CMD_GET_INTERFACE(r5, &(0x7f0000000380)={&(0x7f0000000080)={0x10, 0x0, 0x0, 0x100}, 0xc, &(0x7f0000000340)={&(0x7f00000000c0)={0x24, r7, 0x4, 0x70bd2c, 0x25dfdbfc, {}, [@NL802154_ATTR_IFINDEX={0x8}, @NL802154_ATTR_IFINDEX={0x8, 0x3, r9}]}, 0x24}, 0x1, 0x0, 0x0, 0x14000}, 0x20040010) sendmsg$NL802154_CMD_GET_INTERFACE(r2, &(0x7f0000000240)={&(0x7f0000000180)={0x10, 0x0, 0x0, 0x8000}, 0xc, &(0x7f0000000200)={&(0x7f00000001c0)=ANY=[@ANYBLOB='4\x00\x00\x00', @ANYRES16=r4, @ANYBLOB="140327bd7000fddbdf25050000000c00060003dee6000000000008000300", @ANYRES32=0x0, @ANYBLOB="0c0006000300000003000000"], 0x34}, 0x1, 0x0, 0x0, 0x10}, 0x8080) r12 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r1) r13 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NL802154_CMD_SET_CCA_ED_LEVEL(r13, &(0x7f0000000b40)={&(0x7f0000000a80), 0xc, &(0x7f0000000b00)={&(0x7f0000000ac0)={0x14, 0x0, 0x1}, 0x14}}, 0x0) sendmsg$NBD_CMD_DISCONNECT(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000280)=ANY=[@ANYBLOB='l\x00\x00\x00', @ANYRES16=r12, @ANYBLOB="01002dbd7000fddbdf25020000000c00030001000100", @ANYRES32=r13, @ANYRES64=r12, @ANYRES32, @ANYBLOB="ece35ce92492aad25f4259ee62e0659f025879cabe625a2f109a70e7995c80c3cd6176e07fa8a3370d910d6e2560f50dfc3626bb98ca2afdfa0aa7c215356877203835e541355bada1674c12286b1bd9bae091fb65"], 0x6c}, 0x1, 0x0, 0x0, 0x240000c1}, 0x0) syz_genetlink_get_family_id$nbd(&(0x7f0000000000), r0) [ 339.649882] netlink: 76 bytes leftover after parsing attributes in process `syz-executor.5'. 12:26:19 executing program 0: socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) r1 = syz_open_dev$ndb(0x0, 0x0, 0x2) ioctl$NBD_SET_SOCK(r1, 0xab00, r0) [ 339.681306] nbd: must specify an index to disconnect 12:26:19 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r1) sendmsg$NBD_CMD_DISCONNECT(r0, &(0x7f0000000140)={0x0, 0x0, 0x0, 0x1, 0x0, 0x0, 0x80000}, 0x80) 12:26:19 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r1) sendmsg$NBD_CMD_DISCONNECT(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f00000004c0)=ANY=[@ANYBLOB='l\x00\x00\x00', @ANYRES16=r2, @ANYBLOB="01002dbd7000fddbdf25020000000c0003", @ANYRES32], 0x6c}, 0x1, 0x0, 0x0, 0x80000}, 0x80) 12:26:19 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) r4 = syz_genetlink_get_family_id$nl802154(&(0x7f00000013c0), 0xffffffffffffffff) sendmsg$NL802154_CMD_SET_CCA_MODE(r3, &(0x7f0000001500)={&(0x7f0000001380), 0xc, &(0x7f00000014c0)={&(0x7f0000001440)={0x24, r4, 0x1, 0x0, 0x0, {}, [@NL802154_ATTR_CCA_MODE={0x8}, @NL802154_ATTR_IFINDEX={0x8}]}, 0x24}}, 0x0) r5 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NL802154_CMD_SET_CCA_ED_LEVEL(r5, &(0x7f0000000b40)={&(0x7f0000000a80), 0xc, &(0x7f0000000b00)={&(0x7f0000000ac0)={0x14, 0x0, 0x1}, 0x14}}, 0x0) (async) r6 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r7 = syz_genetlink_get_family_id$nl802154(&(0x7f00000013c0), 0xffffffffffffffff) sendmsg$NL802154_CMD_SET_CCA_MODE(r6, &(0x7f0000001500)={&(0x7f0000001380), 0xc, &(0x7f00000014c0)={&(0x7f0000001440)={0x24, r7, 0x1, 0x0, 0x0, {}, [@NL802154_ATTR_CCA_MODE={0x8}, @NL802154_ATTR_IFINDEX={0x8}]}, 0x24}}, 0x0) r8 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) ioctl$sock_SIOCGIFINDEX_802154(r8, 0x8933, &(0x7f0000000740)={'wpan0\x00', 0x0}) (async) r10 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) r11 = syz_genetlink_get_family_id$nl802154(&(0x7f00000013c0), 0xffffffffffffffff) sendmsg$NL802154_CMD_GET_WPAN_PHY(r10, &(0x7f0000000cc0)={0x0, 0x0, &(0x7f0000000c80)={&(0x7f00000003c0)=ANY=[@ANYBLOB='0\x00\x00\x00', @ANYRES16=r11, @ANYBLOB="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", @ANYRES32=r9, @ANYBLOB="0c0006000100000001000000"], 0x30}}, 0x0) (async) sendmsg$NL802154_CMD_GET_INTERFACE(r5, &(0x7f0000000380)={&(0x7f0000000080)={0x10, 0x0, 0x0, 0x100}, 0xc, &(0x7f0000000340)={&(0x7f00000000c0)={0x24, r7, 0x4, 0x70bd2c, 0x25dfdbfc, {}, [@NL802154_ATTR_IFINDEX={0x8}, @NL802154_ATTR_IFINDEX={0x8, 0x3, r9}]}, 0x24}, 0x1, 0x0, 0x0, 0x14000}, 0x20040010) (async) sendmsg$NL802154_CMD_GET_INTERFACE(r2, &(0x7f0000000240)={&(0x7f0000000180)={0x10, 0x0, 0x0, 0x8000}, 0xc, &(0x7f0000000200)={&(0x7f00000001c0)=ANY=[@ANYBLOB='4\x00\x00\x00', @ANYRES16=r4, @ANYBLOB="140327bd7000fddbdf25050000000c00060003dee6000000000008000300", @ANYRES32=0x0, @ANYBLOB="0c0006000300000003000000"], 0x34}, 0x1, 0x0, 0x0, 0x10}, 0x8080) (async, rerun: 64) r12 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r1) (rerun: 64) r13 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NL802154_CMD_SET_CCA_ED_LEVEL(r13, &(0x7f0000000b40)={&(0x7f0000000a80), 0xc, &(0x7f0000000b00)={&(0x7f0000000ac0)={0x14, 0x0, 0x1}, 0x14}}, 0x0) sendmsg$NBD_CMD_DISCONNECT(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000280)=ANY=[@ANYBLOB='l\x00\x00\x00', @ANYRES16=r12, @ANYBLOB="01002dbd7000fddbdf25020000000c00030001000100", @ANYRES32=r13, @ANYRES64=r12, @ANYRES32, @ANYBLOB="ece35ce92492aad25f4259ee62e0659f025879cabe625a2f109a70e7995c80c3cd6176e07fa8a3370d910d6e2560f50dfc3626bb98ca2afdfa0aa7c215356877203835e541355bada1674c12286b1bd9bae091fb65"], 0x6c}, 0x1, 0x0, 0x0, 0x240000c1}, 0x0) syz_genetlink_get_family_id$nbd(&(0x7f0000000000), r0) 12:26:19 executing program 3: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x103080) ioctl$NBD_SET_SOCK(r0, 0xab00, 0xffffffffffffffff) syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x103080) (async) ioctl$NBD_SET_SOCK(r0, 0xab00, 0xffffffffffffffff) (async) 12:26:19 executing program 0: socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) r1 = syz_open_dev$ndb(0x0, 0x0, 0x2) ioctl$NBD_SET_SOCK(r1, 0xab00, r0) 12:26:19 executing program 3: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x103080) ioctl$NBD_SET_SOCK(r0, 0xab00, 0xffffffffffffffff) 12:26:19 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r1) sendmsg$NBD_CMD_DISCONNECT(r0, &(0x7f0000000140)={0x0, 0x0, 0x0, 0x1, 0x0, 0x0, 0x80000}, 0x80) [ 339.807002] netlink: 12 bytes leftover after parsing attributes in process `syz-executor.2'. [ 339.829877] netlink: 76 bytes leftover after parsing attributes in process `syz-executor.5'. 12:26:19 executing program 3: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, 0xffffffffffffffff) r1 = openat$vcsa(0xffffffffffffff9c, &(0x7f0000000040), 0x2840, 0x0) ioctl$NBD_SET_SOCK(r1, 0xab00, 0xffffffffffffffff) 12:26:19 executing program 0: socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) r1 = syz_open_dev$ndb(&(0x7f0000000080), 0x0, 0x0) ioctl$NBD_SET_SOCK(r1, 0xab00, r0) [ 339.858041] nbd: must specify an index to disconnect 12:26:19 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r1) sendmsg$NBD_CMD_DISCONNECT(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f00000004c0)=ANY=[@ANYBLOB='l\x00\x00\x00', @ANYRES16=r2, @ANYBLOB="01002dbd7000fddbdf25020000000c0003"], 0x6c}, 0x1, 0x0, 0x0, 0x80000}, 0x80) 12:26:19 executing program 2: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0xa8a200) ioctl$NBD_SET_SOCK(r0, 0xab00, 0xffffffffffffffff) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) openat$null(0xffffffffffffff9c, 0x0, 0x0, 0x0) r2 = syz_open_dev$ndb(&(0x7f0000000080), 0x0, 0x2) ioctl$NBD_SET_SOCK(r2, 0xab00, r1) 12:26:19 executing program 4: syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) openat$thread_pidfd(0xffffffffffffff9c, &(0x7f00000005c0), 0x101002, 0x0) [ 339.901889] nbd: must specify an index to disconnect 12:26:19 executing program 3: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, 0xffffffffffffffff) r1 = openat$vcsa(0xffffffffffffff9c, &(0x7f0000000040), 0x2840, 0x0) ioctl$NBD_SET_SOCK(r1, 0xab00, 0xffffffffffffffff) 12:26:19 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r1) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NL802154_CMD_SET_CCA_ED_LEVEL(r3, &(0x7f0000000b40)={&(0x7f0000000a80), 0xc, &(0x7f0000000b00)={&(0x7f0000000ac0)={0x14, 0x0, 0x1}, 0x14}}, 0x0) sendmsg$NBD_CMD_DISCONNECT(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000240)=ANY=[@ANYBLOB="70000be0663019756ab993ff02e672afe034cd010818f13a9eed8c613fd8cbdbdd5c98d87bf41c9d4d1b5b3c1a957de5f1846c696aa3d4d8a2ca36c0fa982f72a0e5b6", @ANYRES16=r2, @ANYBLOB="01002dbd7000fddbdf25020000000c00030001000100", @ANYRES32=r3, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB], 0x6c}, 0x1, 0x0, 0x0, 0x20044840}, 0x0) ioctl$sock_SIOCGIFINDEX_802154(r3, 0x8933, &(0x7f0000000080)={'wpan3\x00', 0x0}) sendmsg$NL802154_CMD_SET_CCA_ED_LEVEL(r3, &(0x7f0000000200)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x100000}, 0xc, &(0x7f00000000c0)={&(0x7f0000000180)={0x58, 0x0, 0x8, 0x70bd28, 0x25dfdbff, {}, [@NL802154_ATTR_WPAN_PHY={0x8}, @NL802154_ATTR_WPAN_DEV={0xc, 0x6, 0x3}, @NL802154_ATTR_CCA_ED_LEVEL={0x8, 0xe, 0x10}, @NL802154_ATTR_WPAN_DEV={0xc, 0x6, 0x3}, @NL802154_ATTR_IFINDEX={0x8, 0x3, r4}, @NL802154_ATTR_WPAN_DEV={0xc, 0x6, 0x200000001}, @NL802154_ATTR_WPAN_PHY={0x8, 0x1, 0x1}]}, 0x58}, 0x1, 0x0, 0x0, 0x1}, 0x4000000) 12:26:19 executing program 4: syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) openat$null(0xffffffffffffff9c, 0x0, 0x0, 0x0) openat$thread_pidfd(0xffffffffffffff9c, &(0x7f00000005c0), 0x101002, 0x0) [ 339.993916] nbd: must specify an index to disconnect 12:26:19 executing program 0: socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) syz_open_dev$ndb(&(0x7f0000000080), 0x0, 0x0) ioctl$NBD_SET_SOCK(0xffffffffffffffff, 0xab00, r0) 12:26:19 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r1) sendmsg$NBD_CMD_DISCONNECT(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f00000004c0)=ANY=[@ANYBLOB='l\x00\x00\x00', @ANYRES16=r2], 0x6c}, 0x1, 0x0, 0x0, 0x80000}, 0x80) 12:26:19 executing program 2: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0xa8a200) ioctl$NBD_SET_SOCK(r0, 0xab00, 0xffffffffffffffff) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) openat$null(0xffffffffffffff9c, 0x0, 0x0, 0x0) r2 = syz_open_dev$ndb(&(0x7f0000000080), 0x0, 0x2) ioctl$NBD_SET_SOCK(r2, 0xab00, r1) 12:26:19 executing program 3: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, 0xffffffffffffffff) r1 = openat$vcsa(0xffffffffffffff9c, &(0x7f0000000040), 0x2840, 0x0) ioctl$NBD_SET_SOCK(r1, 0xab00, 0xffffffffffffffff) 12:26:19 executing program 4: socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) r1 = syz_open_dev$ndb(&(0x7f0000000080), 0x0, 0x0) ioctl$NBD_SET_SOCK(r1, 0xab00, r0) [ 340.019947] block nbd0: shutting down sockets [ 340.024748] block nbd2: shutting down sockets 12:26:19 executing program 0: socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) syz_open_dev$ndb(&(0x7f0000000080), 0x0, 0x0) ioctl$NBD_SET_SOCK(0xffffffffffffffff, 0xab00, r0) 12:26:19 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r1) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NL802154_CMD_SET_CCA_ED_LEVEL(r3, &(0x7f0000000b40)={&(0x7f0000000a80), 0xc, &(0x7f0000000b00)={&(0x7f0000000ac0)={0x14, 0x0, 0x1}, 0x14}}, 0x0) (async) sendmsg$NBD_CMD_DISCONNECT(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000240)=ANY=[@ANYBLOB="70000be0663019756ab993ff02e672afe034cd010818f13a9eed8c613fd8cbdbdd5c98d87bf41c9d4d1b5b3c1a957de5f1846c696aa3d4d8a2ca36c0fa982f72a0e5b6", @ANYRES16=r2, @ANYBLOB="01002dbd7000fddbdf25020000000c00030001000100", @ANYRES32=r3, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB], 0x6c}, 0x1, 0x0, 0x0, 0x20044840}, 0x0) ioctl$sock_SIOCGIFINDEX_802154(r3, 0x8933, &(0x7f0000000080)={'wpan3\x00', 0x0}) sendmsg$NL802154_CMD_SET_CCA_ED_LEVEL(r3, &(0x7f0000000200)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x100000}, 0xc, &(0x7f00000000c0)={&(0x7f0000000180)={0x58, 0x0, 0x8, 0x70bd28, 0x25dfdbff, {}, [@NL802154_ATTR_WPAN_PHY={0x8}, @NL802154_ATTR_WPAN_DEV={0xc, 0x6, 0x3}, @NL802154_ATTR_CCA_ED_LEVEL={0x8, 0xe, 0x10}, @NL802154_ATTR_WPAN_DEV={0xc, 0x6, 0x3}, @NL802154_ATTR_IFINDEX={0x8, 0x3, r4}, @NL802154_ATTR_WPAN_DEV={0xc, 0x6, 0x200000001}, @NL802154_ATTR_WPAN_PHY={0x8, 0x1, 0x1}]}, 0x58}, 0x1, 0x0, 0x0, 0x1}, 0x4000000) 12:26:19 executing program 2: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0xa8a200) ioctl$NBD_SET_SOCK(r0, 0xab00, 0xffffffffffffffff) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) openat$null(0xffffffffffffff9c, 0x0, 0x0, 0x0) r2 = syz_open_dev$ndb(&(0x7f0000000080), 0x0, 0x2) ioctl$NBD_SET_SOCK(r2, 0xab00, r1) 12:26:19 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r1) sendmsg$NBD_CMD_DISCONNECT(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f00000004c0)=ANY=[@ANYBLOB='l\x00\x00\x00', @ANYRES16=r2], 0x6c}, 0x1, 0x0, 0x0, 0x80000}, 0x80) 12:26:19 executing program 3: syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) r0 = openat$null(0xffffffffffffff9c, &(0x7f0000000040), 0x88100, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, 0xffffffffffffffff) r1 = openat$null(0xffffffffffffff9c, 0x0, 0x0, 0x0) mmap$perf(&(0x7f0000ffe000/0x2000)=nil, 0x2000, 0x0, 0x10, r1, 0x0) setsockopt$inet6_icmp_ICMP_FILTER(r1, 0x1, 0x1, &(0x7f0000000080)={0x5}, 0x4) [ 340.119633] block nbd2: shutting down sockets 12:26:19 executing program 0: socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) syz_open_dev$ndb(&(0x7f0000000080), 0x0, 0x0) ioctl$NBD_SET_SOCK(0xffffffffffffffff, 0xab00, r0) 12:26:19 executing program 4: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) socket$inet6_udp(0xa, 0x2, 0x0) r1 = socket$netlink(0x10, 0x3, 0x7) sendmsg$TIPC_CMD_SET_NETID(r1, &(0x7f0000000d80)={0x0, 0x0, &(0x7f0000000d40)={&(0x7f0000000d00)={0x24, 0x0, 0x0, 0x0, 0x0, {{}, {}, {0x8}}}, 0x24}, 0x1, 0x0, 0x0, 0x1}, 0x0) syz_genetlink_get_family_id$batadv(&(0x7f0000000240), r1) r2 = syz_clone(0x0, &(0x7f0000000040)="1a171245849453205cf092f9edbfe0620468e66d257e40c579b6e8725640fbc1a8373f161d95576188208359881a9b105c8ddaacf08443a63d24d285b39924e3a25798a1bacddb6e9f33d86412063db6c3fea9a89edec258ae8383ed3639fdb2", 0x60, &(0x7f00000000c0), &(0x7f0000000100), &(0x7f0000000140)="4815ba9089ee86199f4486e7f561ee854dd860fd69af0448d94e8d28e1997e190a1477113ac90d5dac2dc577deb6add5cffd64dc1da896ba03f8b4d56763494d9b0e542955175aa2d6f7dcdd816c0c230c5b8a6933086ad23e9007897a7b41b523a94e557d1cd76f8d74e37514af943a5a6fd39e16d8da37068639c2eb6902bfda8106e8a6e539a766b39ca85355b6bdb74725d3858b06f82ecc50ecd759bf861d1bf8d63fd3c1a8e3c2b77e3141c087ed7f5cec347bdd71d5cc52569a") syz_open_procfs$namespace(r2, &(0x7f0000000200)='ns/time\x00') ioctl$NBD_SET_SOCK(r0, 0xab00, 0xffffffffffffffff) 12:26:19 executing program 3: syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) r0 = openat$null(0xffffffffffffff9c, &(0x7f0000000040), 0x88100, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, 0xffffffffffffffff) (async) r1 = openat$null(0xffffffffffffff9c, 0x0, 0x0, 0x0) mmap$perf(&(0x7f0000ffe000/0x2000)=nil, 0x2000, 0x0, 0x10, r1, 0x0) (async, rerun: 64) setsockopt$inet6_icmp_ICMP_FILTER(r1, 0x1, 0x1, &(0x7f0000000080)={0x5}, 0x4) (rerun: 64) 12:26:19 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r1) sendmsg$NBD_CMD_DISCONNECT(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f00000004c0)=ANY=[@ANYBLOB='l\x00\x00\x00', @ANYRES16=r2], 0x6c}, 0x1, 0x0, 0x0, 0x80000}, 0x80) [ 340.209631] block nbd4: shutting down sockets 12:26:19 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r1) (async) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NL802154_CMD_SET_CCA_ED_LEVEL(r3, &(0x7f0000000b40)={&(0x7f0000000a80), 0xc, &(0x7f0000000b00)={&(0x7f0000000ac0)={0x14, 0x0, 0x1}, 0x14}}, 0x0) sendmsg$NBD_CMD_DISCONNECT(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000240)=ANY=[@ANYBLOB="70000be0663019756ab993ff02e672afe034cd010818f13a9eed8c613fd8cbdbdd5c98d87bf41c9d4d1b5b3c1a957de5f1846c696aa3d4d8a2ca36c0fa982f72a0e5b6", @ANYRES16=r2, @ANYBLOB="01002dbd7000fddbdf25020000000c00030001000100", @ANYRES32=r3, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB], 0x6c}, 0x1, 0x0, 0x0, 0x20044840}, 0x0) ioctl$sock_SIOCGIFINDEX_802154(r3, 0x8933, &(0x7f0000000080)={'wpan3\x00', 0x0}) sendmsg$NL802154_CMD_SET_CCA_ED_LEVEL(r3, &(0x7f0000000200)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x100000}, 0xc, &(0x7f00000000c0)={&(0x7f0000000180)={0x58, 0x0, 0x8, 0x70bd28, 0x25dfdbff, {}, [@NL802154_ATTR_WPAN_PHY={0x8}, @NL802154_ATTR_WPAN_DEV={0xc, 0x6, 0x3}, @NL802154_ATTR_CCA_ED_LEVEL={0x8, 0xe, 0x10}, @NL802154_ATTR_WPAN_DEV={0xc, 0x6, 0x3}, @NL802154_ATTR_IFINDEX={0x8, 0x3, r4}, @NL802154_ATTR_WPAN_DEV={0xc, 0x6, 0x200000001}, @NL802154_ATTR_WPAN_PHY={0x8, 0x1, 0x1}]}, 0x58}, 0x1, 0x0, 0x0, 0x1}, 0x4000000) 12:26:19 executing program 2: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0xa8a200) ioctl$NBD_SET_SOCK(r0, 0xab00, 0xffffffffffffffff) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) openat$null(0xffffffffffffff9c, 0x0, 0x0, 0x0) ioctl$NBD_SET_SOCK(0xffffffffffffffff, 0xab00, r1) 12:26:19 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r1) sendmsg$NBD_CMD_DISCONNECT(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f00000004c0)=ANY=[@ANYBLOB='l\x00\x00\x00', @ANYRES16=r2, @ANYBLOB], 0x6c}, 0x1, 0x0, 0x0, 0x80000}, 0x80) [ 340.270536] block nbd2: shutting down sockets 12:26:19 executing program 0: socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)) r0 = syz_open_dev$ndb(&(0x7f0000000080), 0x0, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, 0xffffffffffffffff) 12:26:19 executing program 3: syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) (async) r0 = openat$null(0xffffffffffffff9c, &(0x7f0000000040), 0x88100, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, 0xffffffffffffffff) r1 = openat$null(0xffffffffffffff9c, 0x0, 0x0, 0x0) mmap$perf(&(0x7f0000ffe000/0x2000)=nil, 0x2000, 0x0, 0x10, r1, 0x0) (async, rerun: 64) setsockopt$inet6_icmp_ICMP_FILTER(r1, 0x1, 0x1, &(0x7f0000000080)={0x5}, 0x4) (rerun: 64) 12:26:19 executing program 2: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0xa8a200) ioctl$NBD_SET_SOCK(r0, 0xab00, 0xffffffffffffffff) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) openat$null(0xffffffffffffff9c, 0x0, 0x0, 0x0) ioctl$NBD_SET_SOCK(0xffffffffffffffff, 0xab00, r1) 12:26:19 executing program 4: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) socket$inet6_udp(0xa, 0x2, 0x0) r1 = socket$netlink(0x10, 0x3, 0x7) sendmsg$TIPC_CMD_SET_NETID(r1, &(0x7f0000000d80)={0x0, 0x0, &(0x7f0000000d40)={&(0x7f0000000d00)={0x24, 0x0, 0x0, 0x0, 0x0, {{}, {}, {0x8}}}, 0x24}, 0x1, 0x0, 0x0, 0x1}, 0x0) syz_genetlink_get_family_id$batadv(&(0x7f0000000240), r1) r2 = syz_clone(0x0, &(0x7f0000000040)="1a171245849453205cf092f9edbfe0620468e66d257e40c579b6e8725640fbc1a8373f161d95576188208359881a9b105c8ddaacf08443a63d24d285b39924e3a25798a1bacddb6e9f33d86412063db6c3fea9a89edec258ae8383ed3639fdb2", 0x60, &(0x7f00000000c0), &(0x7f0000000100), &(0x7f0000000140)="4815ba9089ee86199f4486e7f561ee854dd860fd69af0448d94e8d28e1997e190a1477113ac90d5dac2dc577deb6add5cffd64dc1da896ba03f8b4d56763494d9b0e542955175aa2d6f7dcdd816c0c230c5b8a6933086ad23e9007897a7b41b523a94e557d1cd76f8d74e37514af943a5a6fd39e16d8da37068639c2eb6902bfda8106e8a6e539a766b39ca85355b6bdb74725d3858b06f82ecc50ecd759bf861d1bf8d63fd3c1a8e3c2b77e3141c087ed7f5cec347bdd71d5cc52569a") syz_open_procfs$namespace(r2, &(0x7f0000000200)='ns/time\x00') ioctl$NBD_SET_SOCK(r0, 0xab00, 0xffffffffffffffff) 12:26:20 executing program 1: r0 = perf_event_open(&(0x7f0000000080)={0x1, 0x80, 0x0, 0x71, 0x1, 0x7, 0x0, 0x3, 0xa0000, 0x9, 0x1, 0x0, 0x0, 0x1, 0x0, 0x1, 0x0, 0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x2, 0x0, 0x0, 0x0, 0x1, 0x0, 0x1, 0x1, 0x1, 0x0, 0x0, 0x1, 0x1, 0x1, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1, 0x0, 0x0, 0x1, 0x2, @perf_bp={&(0x7f0000000000), 0x8}, 0x92402, 0x3, 0x4, 0x8, 0x1ff, 0x6, 0x1ff, 0x0, 0x9, 0x0, 0xa44}, 0xffffffffffffffff, 0x9, 0xffffffffffffffff, 0x3) mmap$perf(&(0x7f0000ffd000/0x3000)=nil, 0x3000, 0x9, 0x50, r0, 0x101) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r3 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r2) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f00000004c0)=ANY=[@ANYBLOB='l\x00\x00\x00', @ANYRES16=r3, @ANYBLOB="01002dbd7000fddbdf25020000000c00030001000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB], 0x6c}}, 0x0) 12:26:20 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r1) sendmsg$NBD_CMD_DISCONNECT(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f00000004c0)=ANY=[@ANYBLOB='l\x00\x00\x00', @ANYRES16=r2, @ANYBLOB], 0x6c}, 0x1, 0x0, 0x0, 0x80000}, 0x80) 12:26:20 executing program 0: socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)) r0 = syz_open_dev$ndb(&(0x7f0000000080), 0x0, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, 0xffffffffffffffff) 12:26:20 executing program 3: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x8001) ioctl$NBD_SET_SOCK(r0, 0xab00, 0xffffffffffffffff) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NL802154_CMD_SET_CCA_ED_LEVEL(r1, &(0x7f0000000b40)={&(0x7f0000000a80), 0xc, &(0x7f0000000b00)={&(0x7f0000000ac0)={0x14, 0x0, 0x1}, 0x14}}, 0x0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r3 = syz_genetlink_get_family_id$nl802154(&(0x7f00000013c0), 0xffffffffffffffff) r4 = syz_genetlink_get_family_id$ipvs(&(0x7f0000000300), 0xffffffffffffffff) sendmsg$IPVS_CMD_ZERO(0xffffffffffffffff, &(0x7f0000000440)={&(0x7f00000002c0)={0x10, 0x0, 0x0, 0x4}, 0xc, &(0x7f0000000400)={&(0x7f0000000340)={0xb4, r4, 0x300, 0x70bd2a, 0x25dfdbfb, {}, [@IPVS_CMD_ATTR_TIMEOUT_UDP={0x8, 0x6, 0x4}, @IPVS_CMD_ATTR_DAEMON={0x3c, 0x3, 0x0, 0x1, [@IPVS_DAEMON_ATTR_MCAST_PORT={0x6, 0x7, 0x4e21}, @IPVS_DAEMON_ATTR_SYNC_ID={0x8, 0x3, 0x2}, @IPVS_DAEMON_ATTR_MCAST_PORT={0x6, 0x7, 0x4e24}, @IPVS_DAEMON_ATTR_SYNC_MAXLEN={0x6}, @IPVS_DAEMON_ATTR_MCAST_PORT={0x6, 0x7, 0x4e21}, @IPVS_DAEMON_ATTR_MCAST_TTL={0x5, 0x8, 0x8}, @IPVS_DAEMON_ATTR_MCAST_TTL={0x5, 0x8, 0x3}]}, @IPVS_CMD_ATTR_TIMEOUT_TCP_FIN={0x8, 0x5, 0x1}, @IPVS_CMD_ATTR_DAEMON={0x28, 0x3, 0x0, 0x1, [@IPVS_DAEMON_ATTR_SYNC_MAXLEN={0x6, 0x4, 0x2e8a}, @IPVS_DAEMON_ATTR_SYNC_MAXLEN={0x6, 0x4, 0x3}, @IPVS_DAEMON_ATTR_MCAST_GROUP6={0x14, 0x6, @private1}]}, @IPVS_CMD_ATTR_DEST={0x2c, 0x2, 0x0, 0x1, [@IPVS_DEST_ATTR_U_THRESH={0x8, 0x5, 0xffffff01}, @IPVS_DEST_ATTR_PORT={0x6, 0x2, 0x4e23}, @IPVS_DEST_ATTR_PORT={0x6, 0x2, 0x4e20}, @IPVS_DEST_ATTR_PORT={0x6, 0x2, 0x4e21}, @IPVS_DEST_ATTR_ADDR_FAMILY={0x6}]}]}, 0xb4}}, 0x4000) sendmsg$NL802154_CMD_SET_CCA_MODE(r2, &(0x7f0000001500)={&(0x7f0000001380), 0xc, &(0x7f00000014c0)={&(0x7f0000001440)={0x24, r3, 0x1, 0x0, 0x0, {}, [@NL802154_ATTR_CCA_MODE={0x8}, @NL802154_ATTR_IFINDEX={0x8}]}, 0x24}}, 0x0) r5 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) ioctl$sock_SIOCGIFINDEX_802154(r5, 0x8933, &(0x7f0000000740)={'wpan0\x00', 0x0}) r7 = syz_genetlink_get_family_id$nl802154(&(0x7f00000013c0), 0xffffffffffffffff) sendmsg$NL802154_CMD_GET_WPAN_PHY(0xffffffffffffffff, &(0x7f0000000cc0)={0x0, 0x0, &(0x7f0000000c80)={&(0x7f0000000c00)={0x30, r7, 0x421, 0x0, 0x0, {}, [@NL802154_ATTR_WPAN_PHY={0x8, 0x1, 0x2}, @NL802154_ATTR_IFINDEX={0x8}, @NL802154_ATTR_WPAN_DEV={0xc, 0x6, 0x100000001}]}, 0x30}}, 0x0) r8 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) ioctl$sock_SIOCGIFINDEX_802154(r8, 0x8933, &(0x7f0000000740)={'wpan0\x00', 0x0}) r10 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r11 = syz_genetlink_get_family_id$nl802154(&(0x7f00000013c0), 0xffffffffffffffff) sendmsg$NL802154_CMD_GET_WPAN_PHY(r10, &(0x7f0000000cc0)={0x0, 0x0, &(0x7f0000000c80)={&(0x7f0000000c00)={0x30, r11, 0x421, 0x0, 0x0, {}, [@NL802154_ATTR_WPAN_PHY={0x8, 0x1, 0x2}, @NL802154_ATTR_IFINDEX={0x8, 0x3, r9}, @NL802154_ATTR_WPAN_DEV={0xc, 0x6, 0x100000001}]}, 0x30}}, 0x0) r12 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) ioctl$sock_SIOCGIFINDEX_802154(r12, 0x8933, &(0x7f0000000740)={'wpan0\x00', 0x0}) r14 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r15 = syz_genetlink_get_family_id$nl802154(&(0x7f00000013c0), 0xffffffffffffffff) sendmsg$NL802154_CMD_GET_WPAN_PHY(r14, &(0x7f0000000cc0)={0x0, 0x0, &(0x7f0000000c80)={&(0x7f0000000c00)={0x30, r15, 0x421, 0x0, 0x0, {}, [@NL802154_ATTR_WPAN_PHY={0x8, 0x1, 0x2}, @NL802154_ATTR_IFINDEX={0x8, 0x3, r13}, @NL802154_ATTR_WPAN_DEV={0xc, 0x6, 0x100000001}]}, 0x30}}, 0x0) sendmsg$NL802154_CMD_GET_WPAN_PHY(0xffffffffffffffff, &(0x7f00000005c0)={&(0x7f0000000480)={0x10, 0x0, 0x0, 0x400000}, 0xc, &(0x7f0000000540)={&(0x7f0000000600)=ANY=[@ANYBLOB='d\x00\x00\x00', @ANYRES16=r3, @ANYBLOB="000025bd7000fddbdf25010000000800010000000000080001000000000008000300", @ANYRES32=0x0, @ANYBLOB="08000100000000000c000600000000000000000008000300", @ANYRES32=0x0, @ANYBLOB="0000060003000000000000000c000600010000000100000008000300", @ANYRES32=r13, @ANYBLOB="05000000"], 0x64}, 0x1, 0x0, 0x0, 0x58}, 0x20004000) r16 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r17 = syz_genetlink_get_family_id$nl802154(&(0x7f00000013c0), 0xffffffffffffffff) sendmsg$NL802154_CMD_GET_WPAN_PHY(r16, &(0x7f0000000cc0)={0x0, 0x0, &(0x7f0000000c80)={&(0x7f0000000c00)={0x30, r17, 0x421, 0x0, 0x0, {}, [@NL802154_ATTR_WPAN_PHY={0x8, 0x1, 0x2}, @NL802154_ATTR_IFINDEX={0x8, 0x3, r6}, @NL802154_ATTR_WPAN_DEV={0xc, 0x6, 0x100000001}]}, 0x30}}, 0x0) ioctl$sock_SIOCGIFINDEX_802154(r1, 0x8933, &(0x7f0000000180)={'wpan4\x00', 0x0}) sendmsg$NL802154_CMD_SET_CHANNEL(r1, &(0x7f0000000280)={&(0x7f0000000140)={0x10, 0x0, 0x0, 0x10000}, 0xc, &(0x7f0000000240)={&(0x7f00000001c0)={0x4c, r3, 0x100, 0x70bd27, 0x25dfdbfe, {}, [@NL802154_ATTR_IFINDEX={0x8, 0x3, r6}, @NL802154_ATTR_WPAN_DEV={0xc, 0x6, 0x100000001}, @NL802154_ATTR_WPAN_PHY={0x8, 0x1, 0x3}, @NL802154_ATTR_IFINDEX={0x8, 0x3, r18}, @NL802154_ATTR_PAGE={0x5, 0x7, 0x2}, @NL802154_ATTR_WPAN_DEV={0xc, 0x6, 0x300000003}]}, 0x4c}, 0x1, 0x0, 0x0, 0x20000000}, 0x8041) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000100)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x1}, 0xc, &(0x7f00000000c0)={&(0x7f0000000080)={0x2c, 0x0, 0x2, 0x70bd2d, 0x25dfdbfe, {}, [@NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x9000000000000000}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0xdf}]}, 0x2c}, 0x1, 0x0, 0x0, 0x1}, 0x80) 12:26:20 executing program 2: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0xa8a200) ioctl$NBD_SET_SOCK(r0, 0xab00, 0xffffffffffffffff) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) openat$null(0xffffffffffffff9c, 0x0, 0x0, 0x0) ioctl$NBD_SET_SOCK(0xffffffffffffffff, 0xab00, r1) 12:26:20 executing program 1: r0 = perf_event_open(&(0x7f0000000080)={0x1, 0x80, 0x0, 0x71, 0x1, 0x7, 0x0, 0x3, 0xa0000, 0x9, 0x1, 0x0, 0x0, 0x1, 0x0, 0x1, 0x0, 0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x2, 0x0, 0x0, 0x0, 0x1, 0x0, 0x1, 0x1, 0x1, 0x0, 0x0, 0x1, 0x1, 0x1, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1, 0x0, 0x0, 0x1, 0x2, @perf_bp={&(0x7f0000000000), 0x8}, 0x92402, 0x3, 0x4, 0x8, 0x1ff, 0x6, 0x1ff, 0x0, 0x9, 0x0, 0xa44}, 0xffffffffffffffff, 0x9, 0xffffffffffffffff, 0x3) mmap$perf(&(0x7f0000ffd000/0x3000)=nil, 0x3000, 0x9, 0x50, r0, 0x101) 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$nbd(&(0x7f0000000040), r2) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f00000004c0)=ANY=[@ANYBLOB='l\x00\x00\x00', @ANYRES16=r3, @ANYBLOB="01002dbd7000fddbdf25020000000c00030001000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB], 0x6c}}, 0x0) perf_event_open(&(0x7f0000000080)={0x1, 0x80, 0x0, 0x71, 0x1, 0x7, 0x0, 0x3, 0xa0000, 0x9, 0x1, 0x0, 0x0, 0x1, 0x0, 0x1, 0x0, 0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x2, 0x0, 0x0, 0x0, 0x1, 0x0, 0x1, 0x1, 0x1, 0x0, 0x0, 0x1, 0x1, 0x1, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1, 0x0, 0x0, 0x1, 0x2, @perf_bp={&(0x7f0000000000), 0x8}, 0x92402, 0x3, 0x4, 0x8, 0x1ff, 0x6, 0x1ff, 0x0, 0x9, 0x0, 0xa44}, 0xffffffffffffffff, 0x9, 0xffffffffffffffff, 0x3) (async) mmap$perf(&(0x7f0000ffd000/0x3000)=nil, 0x3000, 0x9, 0x50, r0, 0x101) (async) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r2) (async) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f00000004c0)=ANY=[@ANYBLOB='l\x00\x00\x00', @ANYRES16=r3, @ANYBLOB="01002dbd7000fddbdf25020000000c00030001000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB], 0x6c}}, 0x0) (async) [ 340.500023] nbd: couldn't find device at index -1 12:26:20 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r1) sendmsg$NBD_CMD_DISCONNECT(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f00000004c0)=ANY=[@ANYBLOB='l\x00\x00\x00', @ANYRES16=r2, @ANYBLOB], 0x6c}, 0x1, 0x0, 0x0, 0x80000}, 0x80) 12:26:20 executing program 4: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) socket$inet6_udp(0xa, 0x2, 0x0) r1 = socket$netlink(0x10, 0x3, 0x7) sendmsg$TIPC_CMD_SET_NETID(r1, &(0x7f0000000d80)={0x0, 0x0, &(0x7f0000000d40)={&(0x7f0000000d00)={0x24, 0x0, 0x0, 0x0, 0x0, {{}, {}, {0x8}}}, 0x24}, 0x1, 0x0, 0x0, 0x1}, 0x0) syz_genetlink_get_family_id$batadv(&(0x7f0000000240), r1) r2 = syz_clone(0x0, &(0x7f0000000040)="1a171245849453205cf092f9edbfe0620468e66d257e40c579b6e8725640fbc1a8373f161d95576188208359881a9b105c8ddaacf08443a63d24d285b39924e3a25798a1bacddb6e9f33d86412063db6c3fea9a89edec258ae8383ed3639fdb2", 0x60, &(0x7f00000000c0), &(0x7f0000000100), &(0x7f0000000140)="4815ba9089ee86199f4486e7f561ee854dd860fd69af0448d94e8d28e1997e190a1477113ac90d5dac2dc577deb6add5cffd64dc1da896ba03f8b4d56763494d9b0e542955175aa2d6f7dcdd816c0c230c5b8a6933086ad23e9007897a7b41b523a94e557d1cd76f8d74e37514af943a5a6fd39e16d8da37068639c2eb6902bfda8106e8a6e539a766b39ca85355b6bdb74725d3858b06f82ecc50ecd759bf861d1bf8d63fd3c1a8e3c2b77e3141c087ed7f5cec347bdd71d5cc52569a") syz_open_procfs$namespace(r2, &(0x7f0000000200)='ns/time\x00') ioctl$NBD_SET_SOCK(r0, 0xab00, 0xffffffffffffffff) 12:26:20 executing program 0: socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)) r0 = syz_open_dev$ndb(&(0x7f0000000080), 0x0, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, 0xffffffffffffffff) 12:26:20 executing program 2: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0xa8a200) ioctl$NBD_SET_SOCK(r0, 0xab00, 0xffffffffffffffff) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) r2 = syz_open_dev$ndb(&(0x7f0000000080), 0x0, 0x2) ioctl$NBD_SET_SOCK(r2, 0xab00, r1) [ 340.618904] nbd: couldn't find device at index -1 [ 340.653553] nbd: couldn't find device at index -1 12:26:20 executing program 1: r0 = perf_event_open(&(0x7f0000000080)={0x1, 0x80, 0x0, 0x71, 0x1, 0x7, 0x0, 0x3, 0xa0000, 0x9, 0x1, 0x0, 0x0, 0x1, 0x0, 0x1, 0x0, 0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x2, 0x0, 0x0, 0x0, 0x1, 0x0, 0x1, 0x1, 0x1, 0x0, 0x0, 0x1, 0x1, 0x1, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1, 0x0, 0x0, 0x1, 0x2, @perf_bp={&(0x7f0000000000), 0x8}, 0x92402, 0x3, 0x4, 0x8, 0x1ff, 0x6, 0x1ff, 0x0, 0x9, 0x0, 0xa44}, 0xffffffffffffffff, 0x9, 0xffffffffffffffff, 0x3) mmap$perf(&(0x7f0000ffd000/0x3000)=nil, 0x3000, 0x9, 0x50, r0, 0x101) (async) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r3 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r2) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f00000004c0)=ANY=[@ANYBLOB='l\x00\x00\x00', @ANYRES16=r3, @ANYBLOB="01002dbd7000fddbdf25020000000c00030001000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB], 0x6c}}, 0x0) 12:26:20 executing program 3: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x8001) ioctl$NBD_SET_SOCK(r0, 0xab00, 0xffffffffffffffff) (async, rerun: 64) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (rerun: 64) sendmsg$NL802154_CMD_SET_CCA_ED_LEVEL(r1, &(0x7f0000000b40)={&(0x7f0000000a80), 0xc, &(0x7f0000000b00)={&(0x7f0000000ac0)={0x14, 0x0, 0x1}, 0x14}}, 0x0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) r3 = syz_genetlink_get_family_id$nl802154(&(0x7f00000013c0), 0xffffffffffffffff) r4 = syz_genetlink_get_family_id$ipvs(&(0x7f0000000300), 0xffffffffffffffff) sendmsg$IPVS_CMD_ZERO(0xffffffffffffffff, &(0x7f0000000440)={&(0x7f00000002c0)={0x10, 0x0, 0x0, 0x4}, 0xc, &(0x7f0000000400)={&(0x7f0000000340)={0xb4, r4, 0x300, 0x70bd2a, 0x25dfdbfb, {}, [@IPVS_CMD_ATTR_TIMEOUT_UDP={0x8, 0x6, 0x4}, @IPVS_CMD_ATTR_DAEMON={0x3c, 0x3, 0x0, 0x1, [@IPVS_DAEMON_ATTR_MCAST_PORT={0x6, 0x7, 0x4e21}, @IPVS_DAEMON_ATTR_SYNC_ID={0x8, 0x3, 0x2}, @IPVS_DAEMON_ATTR_MCAST_PORT={0x6, 0x7, 0x4e24}, @IPVS_DAEMON_ATTR_SYNC_MAXLEN={0x6}, @IPVS_DAEMON_ATTR_MCAST_PORT={0x6, 0x7, 0x4e21}, @IPVS_DAEMON_ATTR_MCAST_TTL={0x5, 0x8, 0x8}, @IPVS_DAEMON_ATTR_MCAST_TTL={0x5, 0x8, 0x3}]}, @IPVS_CMD_ATTR_TIMEOUT_TCP_FIN={0x8, 0x5, 0x1}, @IPVS_CMD_ATTR_DAEMON={0x28, 0x3, 0x0, 0x1, [@IPVS_DAEMON_ATTR_SYNC_MAXLEN={0x6, 0x4, 0x2e8a}, @IPVS_DAEMON_ATTR_SYNC_MAXLEN={0x6, 0x4, 0x3}, @IPVS_DAEMON_ATTR_MCAST_GROUP6={0x14, 0x6, @private1}]}, @IPVS_CMD_ATTR_DEST={0x2c, 0x2, 0x0, 0x1, [@IPVS_DEST_ATTR_U_THRESH={0x8, 0x5, 0xffffff01}, @IPVS_DEST_ATTR_PORT={0x6, 0x2, 0x4e23}, @IPVS_DEST_ATTR_PORT={0x6, 0x2, 0x4e20}, @IPVS_DEST_ATTR_PORT={0x6, 0x2, 0x4e21}, @IPVS_DEST_ATTR_ADDR_FAMILY={0x6}]}]}, 0xb4}}, 0x4000) sendmsg$NL802154_CMD_SET_CCA_MODE(r2, &(0x7f0000001500)={&(0x7f0000001380), 0xc, &(0x7f00000014c0)={&(0x7f0000001440)={0x24, r3, 0x1, 0x0, 0x0, {}, [@NL802154_ATTR_CCA_MODE={0x8}, @NL802154_ATTR_IFINDEX={0x8}]}, 0x24}}, 0x0) (async) r5 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) ioctl$sock_SIOCGIFINDEX_802154(r5, 0x8933, &(0x7f0000000740)={'wpan0\x00', 0x0}) (async) r7 = syz_genetlink_get_family_id$nl802154(&(0x7f00000013c0), 0xffffffffffffffff) sendmsg$NL802154_CMD_GET_WPAN_PHY(0xffffffffffffffff, &(0x7f0000000cc0)={0x0, 0x0, &(0x7f0000000c80)={&(0x7f0000000c00)={0x30, r7, 0x421, 0x0, 0x0, {}, [@NL802154_ATTR_WPAN_PHY={0x8, 0x1, 0x2}, @NL802154_ATTR_IFINDEX={0x8}, @NL802154_ATTR_WPAN_DEV={0xc, 0x6, 0x100000001}]}, 0x30}}, 0x0) r8 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) ioctl$sock_SIOCGIFINDEX_802154(r8, 0x8933, &(0x7f0000000740)={'wpan0\x00', 0x0}) r10 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) r11 = syz_genetlink_get_family_id$nl802154(&(0x7f00000013c0), 0xffffffffffffffff) sendmsg$NL802154_CMD_GET_WPAN_PHY(r10, &(0x7f0000000cc0)={0x0, 0x0, &(0x7f0000000c80)={&(0x7f0000000c00)={0x30, r11, 0x421, 0x0, 0x0, {}, [@NL802154_ATTR_WPAN_PHY={0x8, 0x1, 0x2}, @NL802154_ATTR_IFINDEX={0x8, 0x3, r9}, @NL802154_ATTR_WPAN_DEV={0xc, 0x6, 0x100000001}]}, 0x30}}, 0x0) (async) r12 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) ioctl$sock_SIOCGIFINDEX_802154(r12, 0x8933, &(0x7f0000000740)={'wpan0\x00', 0x0}) r14 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) r15 = syz_genetlink_get_family_id$nl802154(&(0x7f00000013c0), 0xffffffffffffffff) sendmsg$NL802154_CMD_GET_WPAN_PHY(r14, &(0x7f0000000cc0)={0x0, 0x0, &(0x7f0000000c80)={&(0x7f0000000c00)={0x30, r15, 0x421, 0x0, 0x0, {}, [@NL802154_ATTR_WPAN_PHY={0x8, 0x1, 0x2}, @NL802154_ATTR_IFINDEX={0x8, 0x3, r13}, @NL802154_ATTR_WPAN_DEV={0xc, 0x6, 0x100000001}]}, 0x30}}, 0x0) sendmsg$NL802154_CMD_GET_WPAN_PHY(0xffffffffffffffff, &(0x7f00000005c0)={&(0x7f0000000480)={0x10, 0x0, 0x0, 0x400000}, 0xc, &(0x7f0000000540)={&(0x7f0000000600)=ANY=[@ANYBLOB='d\x00\x00\x00', @ANYRES16=r3, @ANYBLOB="000025bd7000fddbdf25010000000800010000000000080001000000000008000300", @ANYRES32=0x0, @ANYBLOB="08000100000000000c000600000000000000000008000300", @ANYRES32=0x0, @ANYBLOB="0000060003000000000000000c000600010000000100000008000300", @ANYRES32=r13, @ANYBLOB="05000000"], 0x64}, 0x1, 0x0, 0x0, 0x58}, 0x20004000) (async) r16 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r17 = syz_genetlink_get_family_id$nl802154(&(0x7f00000013c0), 0xffffffffffffffff) sendmsg$NL802154_CMD_GET_WPAN_PHY(r16, &(0x7f0000000cc0)={0x0, 0x0, &(0x7f0000000c80)={&(0x7f0000000c00)={0x30, r17, 0x421, 0x0, 0x0, {}, [@NL802154_ATTR_WPAN_PHY={0x8, 0x1, 0x2}, @NL802154_ATTR_IFINDEX={0x8, 0x3, r6}, @NL802154_ATTR_WPAN_DEV={0xc, 0x6, 0x100000001}]}, 0x30}}, 0x0) (async) ioctl$sock_SIOCGIFINDEX_802154(r1, 0x8933, &(0x7f0000000180)={'wpan4\x00', 0x0}) sendmsg$NL802154_CMD_SET_CHANNEL(r1, &(0x7f0000000280)={&(0x7f0000000140)={0x10, 0x0, 0x0, 0x10000}, 0xc, &(0x7f0000000240)={&(0x7f00000001c0)={0x4c, r3, 0x100, 0x70bd27, 0x25dfdbfe, {}, [@NL802154_ATTR_IFINDEX={0x8, 0x3, r6}, @NL802154_ATTR_WPAN_DEV={0xc, 0x6, 0x100000001}, @NL802154_ATTR_WPAN_PHY={0x8, 0x1, 0x3}, @NL802154_ATTR_IFINDEX={0x8, 0x3, r18}, @NL802154_ATTR_PAGE={0x5, 0x7, 0x2}, @NL802154_ATTR_WPAN_DEV={0xc, 0x6, 0x300000003}]}, 0x4c}, 0x1, 0x0, 0x0, 0x20000000}, 0x8041) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000100)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x1}, 0xc, &(0x7f00000000c0)={&(0x7f0000000080)={0x2c, 0x0, 0x2, 0x70bd2d, 0x25dfdbfe, {}, [@NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x9000000000000000}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0xdf}]}, 0x2c}, 0x1, 0x0, 0x0, 0x1}, 0x80) 12:26:20 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r1) sendmsg$NBD_CMD_DISCONNECT(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f00000004c0)=ANY=[@ANYBLOB='l\x00\x00\x00', @ANYRES16=r2, @ANYBLOB="01002dbd7000fddbdf"], 0x6c}, 0x1, 0x0, 0x0, 0x80000}, 0x80) 12:26:20 executing program 0: socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)) r0 = syz_open_dev$ndb(&(0x7f0000000080), 0x0, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, 0xffffffffffffffff) 12:26:20 executing program 4: syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) socket$inet6_udp(0xa, 0x2, 0x0) r0 = socket$netlink(0x10, 0x3, 0x7) sendmsg$TIPC_CMD_SET_NETID(r0, &(0x7f0000000d80)={0x0, 0x0, &(0x7f0000000d40)={&(0x7f0000000d00)={0x24, 0x0, 0x0, 0x0, 0x0, {{}, {}, {0x8}}}, 0x24}, 0x1, 0x0, 0x0, 0x1}, 0x0) syz_genetlink_get_family_id$batadv(&(0x7f0000000240), r0) r1 = syz_clone(0x0, &(0x7f0000000040)="1a171245849453205cf092f9edbfe0620468e66d257e40c579b6e8725640fbc1a8373f161d95576188208359881a9b105c8ddaacf08443a63d24d285b39924e3a25798a1bacddb6e9f33d86412063db6c3fea9a89edec258ae8383ed3639fdb2", 0x60, &(0x7f00000000c0), &(0x7f0000000100), &(0x7f0000000140)="4815ba9089ee86199f4486e7f561ee854dd860fd69af0448d94e8d28e1997e190a1477113ac90d5dac2dc577deb6add5cffd64dc1da896ba03f8b4d56763494d9b0e542955175aa2d6f7dcdd816c0c230c5b8a6933086ad23e9007897a7b41b523a94e557d1cd76f8d74e37514af943a5a6fd39e16d8da37068639c2eb6902bfda8106e8a6e539a766b39ca85355b6bdb74725d3858b06f82ecc50ecd759bf861d1bf8d63fd3c1a8e3c2b77e3141c087ed7f5cec347bdd71d5cc52569a") syz_open_procfs$namespace(r1, &(0x7f0000000200)='ns/time\x00') 12:26:20 executing program 2: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0xa8a200) ioctl$NBD_SET_SOCK(r0, 0xab00, 0xffffffffffffffff) r1 = syz_open_dev$ndb(&(0x7f0000000080), 0x0, 0x2) ioctl$NBD_SET_SOCK(r1, 0xab00, 0xffffffffffffffff) [ 340.789430] block nbd2: shutting down sockets 12:26:20 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r1) sendmsg$NBD_CMD_DISCONNECT(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f00000004c0)=ANY=[@ANYBLOB='l\x00\x00\x00', @ANYRES16=r2, @ANYBLOB="01002dbd7000fddbdf"], 0x6c}, 0x1, 0x0, 0x0, 0x80000}, 0x80) 12:26:20 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r1) sendmsg$NBD_CMD_DISCONNECT(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f00000004c0)=ANY=[@ANYBLOB='l\x00\x00\x00', @ANYRES16=r2, @ANYBLOB], 0x6c}, 0x1, 0x0, 0x0, 0x80000}, 0x80) [ 340.828154] nbd: couldn't find device at index -1 12:26:20 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r1) sendmsg$NBD_CMD_DISCONNECT(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000240)={&(0x7f00000004c0)=ANY=[@ANYBLOB='l\x00\x00\x00', @ANYRES16=r2, @ANYBLOB="01002dbd7000fddbdf25020000000c00030001000100", @ANYRES32=r2, @ANYBLOB="f41b00", @ANYRES32=0x0, @ANYBLOB], 0x6c}}, 0x24000000) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r4 = openat$null(0xffffffffffffff9c, 0x0, 0x0, 0x0) mmap$perf(&(0x7f0000ffe000/0x2000)=nil, 0x2000, 0x0, 0x10, r4, 0x0) ioctl$sock_SIOCGIFINDEX_802154(r1, 0x8933, &(0x7f0000000080)={'wpan0\x00', 0x0}) r6 = getpid() sendmsg$NL802154_CMD_SET_WPAN_PHY_NETNS(r3, &(0x7f0000000200)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x200000}, 0xc, &(0x7f00000000c0)={&(0x7f0000000180)={0x5c, 0x0, 0x0, 0x70bd2c, 0x25dfdbfd, {}, [@NL802154_ATTR_PID={0x8, 0x1c, 0xffffffffffffffff}, @NL802154_ATTR_PID={0x8}, @NL802154_ATTR_NETNS_FD={0x8, 0x1d, r4}, @NL802154_ATTR_IFINDEX={0x8, 0x3, r5}, @NL802154_ATTR_NETNS_FD={0x8}, @NL802154_ATTR_PID={0x8, 0x1c, r6}, @NL802154_ATTR_WPAN_PHY={0x8, 0x1, 0x3}, @NL802154_ATTR_IFINDEX={0x8}, @NL802154_ATTR_NETNS_FD={0x8}]}, 0x5c}}, 0x4000) 12:26:20 executing program 4: syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) socket$inet6_udp(0xa, 0x2, 0x0) r0 = socket$netlink(0x10, 0x3, 0x7) sendmsg$TIPC_CMD_SET_NETID(r0, &(0x7f0000000d80)={0x0, 0x0, &(0x7f0000000d40)={&(0x7f0000000d00)={0x24, 0x0, 0x0, 0x0, 0x0, {{}, {}, {0x8}}}, 0x24}, 0x1, 0x0, 0x0, 0x1}, 0x0) syz_genetlink_get_family_id$batadv(&(0x7f0000000240), r0) syz_open_procfs$namespace(0x0, &(0x7f0000000200)='ns/time\x00') 12:26:20 executing program 2: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0xa8a200) ioctl$NBD_SET_SOCK(r0, 0xab00, 0xffffffffffffffff) r1 = syz_open_dev$ndb(&(0x7f0000000080), 0x0, 0x2) ioctl$NBD_SET_SOCK(r1, 0xab00, 0xffffffffffffffff) 12:26:20 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r1) sendmsg$NBD_CMD_DISCONNECT(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f00000004c0)=ANY=[@ANYBLOB='l\x00\x00\x00', @ANYRES16=r2, @ANYBLOB="01002dbd7000fddbdf"], 0x6c}, 0x1, 0x0, 0x0, 0x80000}, 0x80) 12:26:20 executing program 0: syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) socket$inet6_udp(0xa, 0x2, 0x0) r0 = socket$netlink(0x10, 0x3, 0x7) sendmsg$TIPC_CMD_SET_NETID(r0, &(0x7f0000000d80)={0x0, 0x0, &(0x7f0000000d40)={&(0x7f0000000d00)={0x24, 0x0, 0x0, 0x0, 0x0, {{}, {}, {0x8}}}, 0x24}, 0x1, 0x0, 0x0, 0x1}, 0x0) syz_genetlink_get_family_id$batadv(&(0x7f0000000240), r0) r1 = syz_clone(0x0, &(0x7f0000000040)="1a171245849453205cf092f9edbfe0620468e66d257e40c579b6e8725640fbc1a8373f161d95576188208359881a9b105c8ddaacf08443a63d24d285b39924e3a25798a1bacddb6e9f33d86412063db6c3fea9a89edec258ae8383ed3639fdb2", 0x60, &(0x7f00000000c0), &(0x7f0000000100), &(0x7f0000000140)="4815ba9089ee86199f4486e7f561ee854dd860fd69af0448d94e8d28e1997e190a1477113ac90d5dac2dc577deb6add5cffd64dc1da896ba03f8b4d56763494d9b0e542955175aa2d6f7dcdd816c0c230c5b8a6933086ad23e9007897a7b41b523a94e557d1cd76f8d74e37514af943a5a6fd39e16d8da37068639c2eb6902bfda8106e8a6e539a766b39ca85355b6bdb74725d3858b06f82ecc50ecd759bf861d1bf8d63fd3c1a8e3c2b77e3141c087ed7f5cec347bdd71d5cc52569a") syz_open_procfs$namespace(r1, &(0x7f0000000200)='ns/time\x00') [ 340.996361] nbd: must specify an index to disconnect 12:26:20 executing program 3: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x8001) ioctl$NBD_SET_SOCK(r0, 0xab00, 0xffffffffffffffff) (async, rerun: 32) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (rerun: 32) sendmsg$NL802154_CMD_SET_CCA_ED_LEVEL(r1, &(0x7f0000000b40)={&(0x7f0000000a80), 0xc, &(0x7f0000000b00)={&(0x7f0000000ac0)={0x14, 0x0, 0x1}, 0x14}}, 0x0) (async) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r3 = syz_genetlink_get_family_id$nl802154(&(0x7f00000013c0), 0xffffffffffffffff) (async) r4 = syz_genetlink_get_family_id$ipvs(&(0x7f0000000300), 0xffffffffffffffff) sendmsg$IPVS_CMD_ZERO(0xffffffffffffffff, &(0x7f0000000440)={&(0x7f00000002c0)={0x10, 0x0, 0x0, 0x4}, 0xc, &(0x7f0000000400)={&(0x7f0000000340)={0xb4, r4, 0x300, 0x70bd2a, 0x25dfdbfb, {}, [@IPVS_CMD_ATTR_TIMEOUT_UDP={0x8, 0x6, 0x4}, @IPVS_CMD_ATTR_DAEMON={0x3c, 0x3, 0x0, 0x1, [@IPVS_DAEMON_ATTR_MCAST_PORT={0x6, 0x7, 0x4e21}, @IPVS_DAEMON_ATTR_SYNC_ID={0x8, 0x3, 0x2}, @IPVS_DAEMON_ATTR_MCAST_PORT={0x6, 0x7, 0x4e24}, @IPVS_DAEMON_ATTR_SYNC_MAXLEN={0x6}, @IPVS_DAEMON_ATTR_MCAST_PORT={0x6, 0x7, 0x4e21}, @IPVS_DAEMON_ATTR_MCAST_TTL={0x5, 0x8, 0x8}, @IPVS_DAEMON_ATTR_MCAST_TTL={0x5, 0x8, 0x3}]}, @IPVS_CMD_ATTR_TIMEOUT_TCP_FIN={0x8, 0x5, 0x1}, @IPVS_CMD_ATTR_DAEMON={0x28, 0x3, 0x0, 0x1, [@IPVS_DAEMON_ATTR_SYNC_MAXLEN={0x6, 0x4, 0x2e8a}, @IPVS_DAEMON_ATTR_SYNC_MAXLEN={0x6, 0x4, 0x3}, @IPVS_DAEMON_ATTR_MCAST_GROUP6={0x14, 0x6, @private1}]}, @IPVS_CMD_ATTR_DEST={0x2c, 0x2, 0x0, 0x1, [@IPVS_DEST_ATTR_U_THRESH={0x8, 0x5, 0xffffff01}, @IPVS_DEST_ATTR_PORT={0x6, 0x2, 0x4e23}, @IPVS_DEST_ATTR_PORT={0x6, 0x2, 0x4e20}, @IPVS_DEST_ATTR_PORT={0x6, 0x2, 0x4e21}, @IPVS_DEST_ATTR_ADDR_FAMILY={0x6}]}]}, 0xb4}}, 0x4000) (async, rerun: 32) sendmsg$NL802154_CMD_SET_CCA_MODE(r2, &(0x7f0000001500)={&(0x7f0000001380), 0xc, &(0x7f00000014c0)={&(0x7f0000001440)={0x24, r3, 0x1, 0x0, 0x0, {}, [@NL802154_ATTR_CCA_MODE={0x8}, @NL802154_ATTR_IFINDEX={0x8}]}, 0x24}}, 0x0) (async, rerun: 32) r5 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) ioctl$sock_SIOCGIFINDEX_802154(r5, 0x8933, &(0x7f0000000740)={'wpan0\x00', 0x0}) (async) r7 = syz_genetlink_get_family_id$nl802154(&(0x7f00000013c0), 0xffffffffffffffff) sendmsg$NL802154_CMD_GET_WPAN_PHY(0xffffffffffffffff, &(0x7f0000000cc0)={0x0, 0x0, &(0x7f0000000c80)={&(0x7f0000000c00)={0x30, r7, 0x421, 0x0, 0x0, {}, [@NL802154_ATTR_WPAN_PHY={0x8, 0x1, 0x2}, @NL802154_ATTR_IFINDEX={0x8}, @NL802154_ATTR_WPAN_DEV={0xc, 0x6, 0x100000001}]}, 0x30}}, 0x0) r8 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) ioctl$sock_SIOCGIFINDEX_802154(r8, 0x8933, &(0x7f0000000740)={'wpan0\x00', 0x0}) (async, rerun: 32) r10 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async, rerun: 32) r11 = syz_genetlink_get_family_id$nl802154(&(0x7f00000013c0), 0xffffffffffffffff) sendmsg$NL802154_CMD_GET_WPAN_PHY(r10, &(0x7f0000000cc0)={0x0, 0x0, &(0x7f0000000c80)={&(0x7f0000000c00)={0x30, r11, 0x421, 0x0, 0x0, {}, [@NL802154_ATTR_WPAN_PHY={0x8, 0x1, 0x2}, @NL802154_ATTR_IFINDEX={0x8, 0x3, r9}, @NL802154_ATTR_WPAN_DEV={0xc, 0x6, 0x100000001}]}, 0x30}}, 0x0) (async) r12 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) ioctl$sock_SIOCGIFINDEX_802154(r12, 0x8933, &(0x7f0000000740)={'wpan0\x00', 0x0}) r14 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async, rerun: 32) r15 = syz_genetlink_get_family_id$nl802154(&(0x7f00000013c0), 0xffffffffffffffff) (rerun: 32) sendmsg$NL802154_CMD_GET_WPAN_PHY(r14, &(0x7f0000000cc0)={0x0, 0x0, &(0x7f0000000c80)={&(0x7f0000000c00)={0x30, r15, 0x421, 0x0, 0x0, {}, [@NL802154_ATTR_WPAN_PHY={0x8, 0x1, 0x2}, @NL802154_ATTR_IFINDEX={0x8, 0x3, r13}, @NL802154_ATTR_WPAN_DEV={0xc, 0x6, 0x100000001}]}, 0x30}}, 0x0) (async, rerun: 64) sendmsg$NL802154_CMD_GET_WPAN_PHY(0xffffffffffffffff, &(0x7f00000005c0)={&(0x7f0000000480)={0x10, 0x0, 0x0, 0x400000}, 0xc, &(0x7f0000000540)={&(0x7f0000000600)=ANY=[@ANYBLOB='d\x00\x00\x00', @ANYRES16=r3, @ANYBLOB="000025bd7000fddbdf25010000000800010000000000080001000000000008000300", @ANYRES32=0x0, @ANYBLOB="08000100000000000c000600000000000000000008000300", @ANYRES32=0x0, @ANYBLOB="0000060003000000000000000c000600010000000100000008000300", @ANYRES32=r13, @ANYBLOB="05000000"], 0x64}, 0x1, 0x0, 0x0, 0x58}, 0x20004000) (async, rerun: 64) r16 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async, rerun: 32) r17 = syz_genetlink_get_family_id$nl802154(&(0x7f00000013c0), 0xffffffffffffffff) (rerun: 32) sendmsg$NL802154_CMD_GET_WPAN_PHY(r16, &(0x7f0000000cc0)={0x0, 0x0, &(0x7f0000000c80)={&(0x7f0000000c00)={0x30, r17, 0x421, 0x0, 0x0, {}, [@NL802154_ATTR_WPAN_PHY={0x8, 0x1, 0x2}, @NL802154_ATTR_IFINDEX={0x8, 0x3, r6}, @NL802154_ATTR_WPAN_DEV={0xc, 0x6, 0x100000001}]}, 0x30}}, 0x0) (async) ioctl$sock_SIOCGIFINDEX_802154(r1, 0x8933, &(0x7f0000000180)={'wpan4\x00', 0x0}) sendmsg$NL802154_CMD_SET_CHANNEL(r1, &(0x7f0000000280)={&(0x7f0000000140)={0x10, 0x0, 0x0, 0x10000}, 0xc, &(0x7f0000000240)={&(0x7f00000001c0)={0x4c, r3, 0x100, 0x70bd27, 0x25dfdbfe, {}, [@NL802154_ATTR_IFINDEX={0x8, 0x3, r6}, @NL802154_ATTR_WPAN_DEV={0xc, 0x6, 0x100000001}, @NL802154_ATTR_WPAN_PHY={0x8, 0x1, 0x3}, @NL802154_ATTR_IFINDEX={0x8, 0x3, r18}, @NL802154_ATTR_PAGE={0x5, 0x7, 0x2}, @NL802154_ATTR_WPAN_DEV={0xc, 0x6, 0x300000003}]}, 0x4c}, 0x1, 0x0, 0x0, 0x20000000}, 0x8041) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000100)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x1}, 0xc, &(0x7f00000000c0)={&(0x7f0000000080)={0x2c, 0x0, 0x2, 0x70bd2d, 0x25dfdbfe, {}, [@NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x9000000000000000}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0xdf}]}, 0x2c}, 0x1, 0x0, 0x0, 0x1}, 0x80) 12:26:20 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r1) sendmsg$NBD_CMD_DISCONNECT(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000240)={&(0x7f00000004c0)=ANY=[@ANYBLOB='l\x00\x00\x00', @ANYRES16=r2, @ANYBLOB="01002dbd7000fddbdf25020000000c00030001000100", @ANYRES32=r2, @ANYBLOB="f41b00", @ANYRES32=0x0, @ANYBLOB], 0x6c}}, 0x24000000) (async) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) r4 = openat$null(0xffffffffffffff9c, 0x0, 0x0, 0x0) mmap$perf(&(0x7f0000ffe000/0x2000)=nil, 0x2000, 0x0, 0x10, r4, 0x0) (async) ioctl$sock_SIOCGIFINDEX_802154(r1, 0x8933, &(0x7f0000000080)={'wpan0\x00', 0x0}) (async) r6 = getpid() sendmsg$NL802154_CMD_SET_WPAN_PHY_NETNS(r3, &(0x7f0000000200)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x200000}, 0xc, &(0x7f00000000c0)={&(0x7f0000000180)={0x5c, 0x0, 0x0, 0x70bd2c, 0x25dfdbfd, {}, [@NL802154_ATTR_PID={0x8, 0x1c, 0xffffffffffffffff}, @NL802154_ATTR_PID={0x8}, @NL802154_ATTR_NETNS_FD={0x8, 0x1d, r4}, @NL802154_ATTR_IFINDEX={0x8, 0x3, r5}, @NL802154_ATTR_NETNS_FD={0x8}, @NL802154_ATTR_PID={0x8, 0x1c, r6}, @NL802154_ATTR_WPAN_PHY={0x8, 0x1, 0x3}, @NL802154_ATTR_IFINDEX={0x8}, @NL802154_ATTR_NETNS_FD={0x8}]}, 0x5c}}, 0x4000) 12:26:20 executing program 2: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0xa8a200) ioctl$NBD_SET_SOCK(r0, 0xab00, 0xffffffffffffffff) r1 = syz_open_dev$ndb(&(0x7f0000000080), 0x0, 0x2) ioctl$NBD_SET_SOCK(r1, 0xab00, 0xffffffffffffffff) 12:26:20 executing program 4: syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) socket$inet6_udp(0xa, 0x2, 0x0) r0 = socket$netlink(0x10, 0x3, 0x7) sendmsg$TIPC_CMD_SET_NETID(r0, &(0x7f0000000d80)={0x0, 0x0, &(0x7f0000000d40)={&(0x7f0000000d00)={0x24, 0x0, 0x0, 0x0, 0x0, {{}, {}, {0x8}}}, 0x24}, 0x1, 0x0, 0x0, 0x1}, 0x0) syz_genetlink_get_family_id$batadv(&(0x7f0000000240), r0) syz_open_procfs$namespace(0x0, &(0x7f0000000200)='ns/time\x00') 12:26:20 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r1) sendmsg$NBD_CMD_DISCONNECT(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f00000004c0)=ANY=[@ANYBLOB='l\x00\x00\x00', @ANYRES16=r2, @ANYBLOB="01002dbd7000fddbdf25020000"], 0x6c}, 0x1, 0x0, 0x0, 0x80000}, 0x80) 12:26:20 executing program 0: syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) socket$inet6_udp(0xa, 0x2, 0x0) r0 = socket$netlink(0x10, 0x3, 0x7) sendmsg$TIPC_CMD_SET_NETID(r0, &(0x7f0000000d80)={0x0, 0x0, &(0x7f0000000d40)={&(0x7f0000000d00)={0x24, 0x0, 0x0, 0x0, 0x0, {{}, {}, {0x8}}}, 0x24}, 0x1, 0x0, 0x0, 0x1}, 0x0) syz_genetlink_get_family_id$batadv(&(0x7f0000000240), r0) r1 = syz_clone(0x0, &(0x7f0000000040)="1a171245849453205cf092f9edbfe0620468e66d257e40c579b6e8725640fbc1a8373f161d95576188208359881a9b105c8ddaacf08443a63d24d285b39924e3a25798a1bacddb6e9f33d86412063db6c3fea9a89edec258ae8383ed3639fdb2", 0x60, &(0x7f00000000c0), &(0x7f0000000100), &(0x7f0000000140)="4815ba9089ee86199f4486e7f561ee854dd860fd69af0448d94e8d28e1997e190a1477113ac90d5dac2dc577deb6add5cffd64dc1da896ba03f8b4d56763494d9b0e542955175aa2d6f7dcdd816c0c230c5b8a6933086ad23e9007897a7b41b523a94e557d1cd76f8d74e37514af943a5a6fd39e16d8da37068639c2eb6902bfda8106e8a6e539a766b39ca85355b6bdb74725d3858b06f82ecc50ecd759bf861d1bf8d63fd3c1a8e3c2b77e3141c087ed7f5cec347bdd71d5cc52569a") syz_open_procfs$namespace(r1, &(0x7f0000000200)='ns/time\x00') [ 341.213763] nbd: must specify an index to disconnect 12:26:20 executing program 2: syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0xa8a200) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) r1 = syz_open_dev$ndb(&(0x7f0000000080), 0x0, 0x2) ioctl$NBD_SET_SOCK(r1, 0xab00, r0) 12:26:20 executing program 4: syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) socket$inet6_udp(0xa, 0x2, 0x0) r0 = socket$netlink(0x10, 0x3, 0x7) sendmsg$TIPC_CMD_SET_NETID(r0, &(0x7f0000000d80)={0x0, 0x0, &(0x7f0000000d40)={&(0x7f0000000d00)={0x24, 0x0, 0x0, 0x0, 0x0, {{}, {}, {0x8}}}, 0x24}, 0x1, 0x0, 0x0, 0x1}, 0x0) syz_genetlink_get_family_id$batadv(&(0x7f0000000240), r0) syz_open_procfs$namespace(0x0, &(0x7f0000000200)='ns/time\x00') [ 341.238300] nbd: must specify an index to disconnect 12:26:20 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r1) sendmsg$NBD_CMD_DISCONNECT(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f00000004c0)=ANY=[@ANYBLOB='l\x00\x00\x00', @ANYRES16=r2, @ANYBLOB="01002dbd7000fddbdf"], 0x6c}, 0x1, 0x0, 0x0, 0x80000}, 0x80) 12:26:20 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r1) sendmsg$NBD_CMD_DISCONNECT(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000240)={&(0x7f00000004c0)=ANY=[@ANYBLOB='l\x00\x00\x00', @ANYRES16=r2, @ANYBLOB="01002dbd7000fddbdf25020000000c00030001000100", @ANYRES32=r2, @ANYBLOB="f41b00", @ANYRES32=0x0, @ANYBLOB], 0x6c}}, 0x24000000) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r4 = openat$null(0xffffffffffffff9c, 0x0, 0x0, 0x0) mmap$perf(&(0x7f0000ffe000/0x2000)=nil, 0x2000, 0x0, 0x10, r4, 0x0) ioctl$sock_SIOCGIFINDEX_802154(r1, 0x8933, &(0x7f0000000080)={'wpan0\x00', 0x0}) r6 = getpid() sendmsg$NL802154_CMD_SET_WPAN_PHY_NETNS(r3, &(0x7f0000000200)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x200000}, 0xc, &(0x7f00000000c0)={&(0x7f0000000180)={0x5c, 0x0, 0x0, 0x70bd2c, 0x25dfdbfd, {}, [@NL802154_ATTR_PID={0x8, 0x1c, 0xffffffffffffffff}, @NL802154_ATTR_PID={0x8}, @NL802154_ATTR_NETNS_FD={0x8, 0x1d, r4}, @NL802154_ATTR_IFINDEX={0x8, 0x3, r5}, @NL802154_ATTR_NETNS_FD={0x8}, @NL802154_ATTR_PID={0x8, 0x1c, r6}, @NL802154_ATTR_WPAN_PHY={0x8, 0x1, 0x3}, @NL802154_ATTR_IFINDEX={0x8}, @NL802154_ATTR_NETNS_FD={0x8}]}, 0x5c}}, 0x4000) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r1) (async) sendmsg$NBD_CMD_DISCONNECT(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000240)={&(0x7f00000004c0)=ANY=[@ANYBLOB='l\x00\x00\x00', @ANYRES16=r2, @ANYBLOB="01002dbd7000fddbdf25020000000c00030001000100", @ANYRES32=r2, @ANYBLOB="f41b00", @ANYRES32=0x0, @ANYBLOB], 0x6c}}, 0x24000000) (async) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) openat$null(0xffffffffffffff9c, 0x0, 0x0, 0x0) (async) mmap$perf(&(0x7f0000ffe000/0x2000)=nil, 0x2000, 0x0, 0x10, r4, 0x0) (async) ioctl$sock_SIOCGIFINDEX_802154(r1, 0x8933, &(0x7f0000000080)={'wpan0\x00'}) (async) getpid() (async) sendmsg$NL802154_CMD_SET_WPAN_PHY_NETNS(r3, &(0x7f0000000200)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x200000}, 0xc, &(0x7f00000000c0)={&(0x7f0000000180)={0x5c, 0x0, 0x0, 0x70bd2c, 0x25dfdbfd, {}, [@NL802154_ATTR_PID={0x8, 0x1c, 0xffffffffffffffff}, @NL802154_ATTR_PID={0x8}, @NL802154_ATTR_NETNS_FD={0x8, 0x1d, r4}, @NL802154_ATTR_IFINDEX={0x8, 0x3, r5}, @NL802154_ATTR_NETNS_FD={0x8}, @NL802154_ATTR_PID={0x8, 0x1c, r6}, @NL802154_ATTR_WPAN_PHY={0x8, 0x1, 0x3}, @NL802154_ATTR_IFINDEX={0x8}, @NL802154_ATTR_NETNS_FD={0x8}]}, 0x5c}}, 0x4000) (async) 12:26:21 executing program 0: syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) socket$inet6_udp(0xa, 0x2, 0x0) r0 = socket$netlink(0x10, 0x3, 0x7) sendmsg$TIPC_CMD_SET_NETID(r0, &(0x7f0000000d80)={0x0, 0x0, &(0x7f0000000d40)={&(0x7f0000000d00)={0x24, 0x0, 0x0, 0x0, 0x0, {{}, {}, {0x8}}}, 0x24}, 0x1, 0x0, 0x0, 0x1}, 0x0) syz_genetlink_get_family_id$batadv(&(0x7f0000000240), r0) r1 = syz_clone(0x0, &(0x7f0000000040)="1a171245849453205cf092f9edbfe0620468e66d257e40c579b6e8725640fbc1a8373f161d95576188208359881a9b105c8ddaacf08443a63d24d285b39924e3a25798a1bacddb6e9f33d86412063db6c3fea9a89edec258ae8383ed3639fdb2", 0x60, &(0x7f00000000c0), &(0x7f0000000100), &(0x7f0000000140)="4815ba9089ee86199f4486e7f561ee854dd860fd69af0448d94e8d28e1997e190a1477113ac90d5dac2dc577deb6add5cffd64dc1da896ba03f8b4d56763494d9b0e542955175aa2d6f7dcdd816c0c230c5b8a6933086ad23e9007897a7b41b523a94e557d1cd76f8d74e37514af943a5a6fd39e16d8da37068639c2eb6902bfda8106e8a6e539a766b39ca85355b6bdb74725d3858b06f82ecc50ecd759bf861d1bf8d63fd3c1a8e3c2b77e3141c087ed7f5cec347bdd71d5cc52569a") syz_open_procfs$namespace(r1, &(0x7f0000000200)='ns/time\x00') 12:26:21 executing program 4: syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) socket$inet6_udp(0xa, 0x2, 0x0) r0 = socket$netlink(0x10, 0x3, 0x7) sendmsg$TIPC_CMD_SET_NETID(r0, &(0x7f0000000d80)={0x0, 0x0, &(0x7f0000000d40)={&(0x7f0000000d00)={0x24, 0x0, 0x0, 0x0, 0x0, {{}, {}, {0x8}}}, 0x24}, 0x1, 0x0, 0x0, 0x1}, 0x0) r1 = syz_clone(0x0, &(0x7f0000000040)="1a171245849453205cf092f9edbfe0620468e66d257e40c579b6e8725640fbc1a8373f161d95576188208359881a9b105c8ddaacf08443a63d24d285b39924e3a25798a1bacddb6e9f33d86412063db6c3fea9a89edec258ae8383ed3639fdb2", 0x60, &(0x7f00000000c0), &(0x7f0000000100), &(0x7f0000000140)="4815ba9089ee86199f4486e7f561ee854dd860fd69af0448d94e8d28e1997e190a1477113ac90d5dac2dc577deb6add5cffd64dc1da896ba03f8b4d56763494d9b0e542955175aa2d6f7dcdd816c0c230c5b8a6933086ad23e9007897a7b41b523a94e557d1cd76f8d74e37514af943a5a6fd39e16d8da37068639c2eb6902bfda8106e8a6e539a766b39ca85355b6bdb74725d3858b06f82ecc50ecd759bf861d1bf8d63fd3c1a8e3c2b77e3141c087ed7f5cec347bdd71d5cc52569a") syz_open_procfs$namespace(r1, &(0x7f0000000200)='ns/time\x00') [ 341.416630] nbd: must specify an index to disconnect [ 341.422503] block nbd2: shutting down sockets 12:26:21 executing program 3: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, 0xffffffffffffffff) r1 = openat$null(0xffffffffffffff9c, &(0x7f00000000c0), 0x4000, 0x0) ioctl$sock_bt_cmtp_CMTPGETCONNLIST(r1, 0x800443d2, &(0x7f0000000080)={0x0, &(0x7f0000000080)}) 12:26:21 executing program 2: socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) r1 = syz_open_dev$ndb(&(0x7f0000000080), 0x0, 0x2) ioctl$NBD_SET_SOCK(r1, 0xab00, r0) 12:26:21 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r1) sendmsg$NBD_CMD_DISCONNECT(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f00000004c0)=ANY=[@ANYBLOB='l\x00\x00\x00', @ANYRES16=r2, @ANYBLOB="01002dbd7000fddbdf"], 0x6c}, 0x1, 0x0, 0x0, 0x80000}, 0x80) 12:26:21 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) ioctl$sock_SIOCGIFINDEX_802154(r0, 0x8933, &(0x7f0000000080)={'wpan4\x00', 0x0}) sendmsg$NL802154_CMD_SET_CCA_ED_LEVEL(r0, &(0x7f00000001c0)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x400}, 0xc, &(0x7f0000000180)={&(0x7f00000000c0)={0x30, 0x0, 0x100, 0x70bd2a, 0x25dfdbfe, {}, [@NL802154_ATTR_IFINDEX={0x8, 0x3, r1}, @NL802154_ATTR_WPAN_DEV={0xc}, @NL802154_ATTR_IFINDEX={0x8}]}, 0x30}, 0x1, 0x0, 0x0, 0x48040}, 0x4000004) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r3 = syz_genetlink_get_family_id$nl802154(&(0x7f0000000240), r0) sendmsg$NL802154_CMD_DEL_SEC_DEVKEY(r2, &(0x7f0000000480)={&(0x7f0000000200)={0x10, 0x0, 0x0, 0x80000000}, 0xc, &(0x7f0000000440)={&(0x7f0000000280)={0x190, r3, 0x10, 0x70bd2c, 0x25dfdbfb, {}, [@NL802154_ATTR_SEC_DEVKEY={0x4c, 0x24, 0x0, 0x1, [@NL802154_DEVKEY_ATTR_ID={0x34, 0x3, 0x0, 0x1, [@NL802154_KEY_ID_ATTR_SOURCE_EXTENDED={0xc, 0x5, 0x7ff}, @NL802154_KEY_ID_ATTR_IMPLICIT={0x1c, 0x3, 0x0, 0x1, [@NL802154_DEV_ADDR_ATTR_SHORT={0x6, 0x3, 0xffff}, @NL802154_DEV_ADDR_ATTR_MODE={0x8, 0x2, 0x1}, @NL802154_DEV_ADDR_ATTR_MODE={0x8, 0x2, 0x3}]}, @NL802154_KEY_ID_ATTR_INDEX={0x5}]}, @NL802154_DEVKEY_ATTR_EXTENDED_ADDR={0xc, 0x2, {0xaaaaaaaaaaaa0202}}, @NL802154_DEVKEY_ATTR_FRAME_COUNTER={0x8, 0x1, 0x7ff}]}, @NL802154_ATTR_SEC_DEVKEY={0x118, 0x24, 0x0, 0x1, [@NL802154_DEVKEY_ATTR_EXTENDED_ADDR={0xc, 0x2, {0xaaaaaaaaaaaa0302}}, @NL802154_DEVKEY_ATTR_ID={0x60, 0x3, 0x0, 0x1, [@NL802154_KEY_ID_ATTR_MODE={0x8, 0x1, 0x3}, @NL802154_KEY_ID_ATTR_SOURCE_SHORT={0x8, 0x4, 0x5}, @NL802154_KEY_ID_ATTR_SOURCE_EXTENDED={0xc, 0x5, 0xffffffffffffffff}, @NL802154_KEY_ID_ATTR_IMPLICIT={0x28, 0x3, 0x0, 0x1, [@NL802154_DEV_ADDR_ATTR_MODE={0x8, 0x2, 0x1}, @NL802154_DEV_ADDR_ATTR_EXTENDED={0xc}, @NL802154_DEV_ADDR_ATTR_SHORT={0x6, 0x3, 0xfffe}, @NL802154_DEV_ADDR_ATTR_SHORT={0x6, 0x3, 0xffff}]}, @NL802154_KEY_ID_ATTR_INDEX={0x5, 0x2, 0x2}, @NL802154_KEY_ID_ATTR_SOURCE_SHORT={0x8, 0x4, 0x2}, @NL802154_KEY_ID_ATTR_SOURCE_SHORT={0x8, 0x4, 0x6}]}, @NL802154_DEVKEY_ATTR_FRAME_COUNTER={0x8, 0x1, 0x5}, @NL802154_DEVKEY_ATTR_FRAME_COUNTER={0x8, 0x1, 0xc66}, @NL802154_DEVKEY_ATTR_ID={0x98, 0x3, 0x0, 0x1, [@NL802154_KEY_ID_ATTR_SOURCE_SHORT={0x8, 0x4, 0x1ff}, @NL802154_KEY_ID_ATTR_SOURCE_SHORT={0x8, 0x4, 0x401}, @NL802154_KEY_ID_ATTR_SOURCE_SHORT={0x8, 0x4, 0xfffffffd}, @NL802154_KEY_ID_ATTR_SOURCE_EXTENDED={0xc, 0x5, 0x3}, @NL802154_KEY_ID_ATTR_SOURCE_SHORT={0x8, 0x4, 0x1}, @NL802154_KEY_ID_ATTR_SOURCE_EXTENDED={0xc, 0x5, 0x100000000}, @NL802154_KEY_ID_ATTR_IMPLICIT={0x3c, 0x3, 0x0, 0x1, [@NL802154_DEV_ADDR_ATTR_SHORT={0x6, 0x3, 0xffff}, @NL802154_DEV_ADDR_ATTR_MODE={0x8, 0x2, 0x2}, @NL802154_DEV_ADDR_ATTR_SHORT={0x6, 0x3, 0xfffe}, @NL802154_DEV_ADDR_ATTR_PAN_ID={0x6, 0x1, 0x1}, @NL802154_DEV_ADDR_ATTR_EXTENDED={0xc, 0x4, {0xaaaaaaaaaaaa0102}}, @NL802154_DEV_ADDR_ATTR_EXTENDED={0xc, 0x4, {0xaaaaaaaaaaaa0202}}]}, @NL802154_KEY_ID_ATTR_MODE={0x8, 0x1, 0x2}, @NL802154_KEY_ID_ATTR_SOURCE_EXTENDED={0xc, 0x5, 0x8000}, @NL802154_KEY_ID_ATTR_SOURCE_EXTENDED={0xc, 0x5, 0xb9}]}]}, @NL802154_ATTR_WPAN_DEV={0xc, 0x6, 0x100000001}, @NL802154_ATTR_WPAN_DEV={0xc, 0x6, 0x300000003}]}, 0x190}, 0x1, 0x0, 0x0, 0x1}, 0x804) r4 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r5 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r4) sendmsg$NBD_CMD_DISCONNECT(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f00000004c0)=ANY=[@ANYBLOB='l\x00\x00\x00', @ANYRES16=r5, @ANYBLOB="01002dbd7000fddbdf25020000000c00030001000100", @ANYRES32=r5, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB], 0x6c}}, 0x0) 12:26:21 executing program 4: syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) socket$inet6_udp(0xa, 0x2, 0x0) socket$netlink(0x10, 0x3, 0x7) r0 = syz_clone(0x0, &(0x7f0000000040)="1a171245849453205cf092f9edbfe0620468e66d257e40c579b6e8725640fbc1a8373f161d95576188208359881a9b105c8ddaacf08443a63d24d285b39924e3a25798a1bacddb6e9f33d86412063db6c3fea9a89edec258ae8383ed3639fdb2", 0x60, &(0x7f00000000c0), &(0x7f0000000100), &(0x7f0000000140)="4815ba9089ee86199f4486e7f561ee854dd860fd69af0448d94e8d28e1997e190a1477113ac90d5dac2dc577deb6add5cffd64dc1da896ba03f8b4d56763494d9b0e542955175aa2d6f7dcdd816c0c230c5b8a6933086ad23e9007897a7b41b523a94e557d1cd76f8d74e37514af943a5a6fd39e16d8da37068639c2eb6902bfda8106e8a6e539a766b39ca85355b6bdb74725d3858b06f82ecc50ecd759bf861d1bf8d63fd3c1a8e3c2b77e3141c087ed7f5cec347bdd71d5cc52569a") syz_open_procfs$namespace(r0, &(0x7f0000000200)='ns/time\x00') 12:26:21 executing program 3: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, 0xffffffffffffffff) (async) r1 = openat$null(0xffffffffffffff9c, &(0x7f00000000c0), 0x4000, 0x0) ioctl$sock_bt_cmtp_CMTPGETCONNLIST(r1, 0x800443d2, &(0x7f0000000080)={0x0, &(0x7f0000000080)}) 12:26:21 executing program 0: syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) socket$inet6_udp(0xa, 0x2, 0x0) r0 = socket$netlink(0x10, 0x3, 0x7) sendmsg$TIPC_CMD_SET_NETID(r0, &(0x7f0000000d80)={0x0, 0x0, &(0x7f0000000d40)={&(0x7f0000000d00)={0x24, 0x0, 0x0, 0x0, 0x0, {{}, {}, {0x8}}}, 0x24}, 0x1, 0x0, 0x0, 0x1}, 0x0) syz_genetlink_get_family_id$batadv(&(0x7f0000000240), r0) syz_open_procfs$namespace(0x0, &(0x7f0000000200)='ns/time\x00') 12:26:21 executing program 2: socketpair$nbd(0x1, 0x1, 0x0, 0x0) r0 = syz_open_dev$ndb(&(0x7f0000000080), 0x0, 0x2) ioctl$NBD_SET_SOCK(r0, 0xab00, 0xffffffffffffffff) 12:26:21 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r1) sendmsg$NBD_CMD_DISCONNECT(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f00000004c0)=ANY=[@ANYBLOB='l\x00\x00\x00', @ANYRES16=r2, @ANYBLOB="01002dbd7000fddbdf"], 0x6c}, 0x1, 0x0, 0x0, 0x80000}, 0x80) [ 341.669214] block nbd2: shutting down sockets [ 341.704604] nbd: couldn't find device at index -1 12:26:21 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) ioctl$sock_SIOCGIFINDEX_802154(r0, 0x8933, &(0x7f0000000080)={'wpan4\x00', 0x0}) sendmsg$NL802154_CMD_SET_CCA_ED_LEVEL(r0, &(0x7f00000001c0)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x400}, 0xc, &(0x7f0000000180)={&(0x7f00000000c0)={0x30, 0x0, 0x100, 0x70bd2a, 0x25dfdbfe, {}, [@NL802154_ATTR_IFINDEX={0x8, 0x3, r1}, @NL802154_ATTR_WPAN_DEV={0xc}, @NL802154_ATTR_IFINDEX={0x8}]}, 0x30}, 0x1, 0x0, 0x0, 0x48040}, 0x4000004) (async) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) r3 = syz_genetlink_get_family_id$nl802154(&(0x7f0000000240), r0) sendmsg$NL802154_CMD_DEL_SEC_DEVKEY(r2, &(0x7f0000000480)={&(0x7f0000000200)={0x10, 0x0, 0x0, 0x80000000}, 0xc, &(0x7f0000000440)={&(0x7f0000000280)={0x190, r3, 0x10, 0x70bd2c, 0x25dfdbfb, {}, [@NL802154_ATTR_SEC_DEVKEY={0x4c, 0x24, 0x0, 0x1, [@NL802154_DEVKEY_ATTR_ID={0x34, 0x3, 0x0, 0x1, [@NL802154_KEY_ID_ATTR_SOURCE_EXTENDED={0xc, 0x5, 0x7ff}, @NL802154_KEY_ID_ATTR_IMPLICIT={0x1c, 0x3, 0x0, 0x1, [@NL802154_DEV_ADDR_ATTR_SHORT={0x6, 0x3, 0xffff}, @NL802154_DEV_ADDR_ATTR_MODE={0x8, 0x2, 0x1}, @NL802154_DEV_ADDR_ATTR_MODE={0x8, 0x2, 0x3}]}, @NL802154_KEY_ID_ATTR_INDEX={0x5}]}, @NL802154_DEVKEY_ATTR_EXTENDED_ADDR={0xc, 0x2, {0xaaaaaaaaaaaa0202}}, @NL802154_DEVKEY_ATTR_FRAME_COUNTER={0x8, 0x1, 0x7ff}]}, @NL802154_ATTR_SEC_DEVKEY={0x118, 0x24, 0x0, 0x1, [@NL802154_DEVKEY_ATTR_EXTENDED_ADDR={0xc, 0x2, {0xaaaaaaaaaaaa0302}}, @NL802154_DEVKEY_ATTR_ID={0x60, 0x3, 0x0, 0x1, [@NL802154_KEY_ID_ATTR_MODE={0x8, 0x1, 0x3}, @NL802154_KEY_ID_ATTR_SOURCE_SHORT={0x8, 0x4, 0x5}, @NL802154_KEY_ID_ATTR_SOURCE_EXTENDED={0xc, 0x5, 0xffffffffffffffff}, @NL802154_KEY_ID_ATTR_IMPLICIT={0x28, 0x3, 0x0, 0x1, [@NL802154_DEV_ADDR_ATTR_MODE={0x8, 0x2, 0x1}, @NL802154_DEV_ADDR_ATTR_EXTENDED={0xc}, @NL802154_DEV_ADDR_ATTR_SHORT={0x6, 0x3, 0xfffe}, @NL802154_DEV_ADDR_ATTR_SHORT={0x6, 0x3, 0xffff}]}, @NL802154_KEY_ID_ATTR_INDEX={0x5, 0x2, 0x2}, @NL802154_KEY_ID_ATTR_SOURCE_SHORT={0x8, 0x4, 0x2}, @NL802154_KEY_ID_ATTR_SOURCE_SHORT={0x8, 0x4, 0x6}]}, @NL802154_DEVKEY_ATTR_FRAME_COUNTER={0x8, 0x1, 0x5}, @NL802154_DEVKEY_ATTR_FRAME_COUNTER={0x8, 0x1, 0xc66}, @NL802154_DEVKEY_ATTR_ID={0x98, 0x3, 0x0, 0x1, [@NL802154_KEY_ID_ATTR_SOURCE_SHORT={0x8, 0x4, 0x1ff}, @NL802154_KEY_ID_ATTR_SOURCE_SHORT={0x8, 0x4, 0x401}, @NL802154_KEY_ID_ATTR_SOURCE_SHORT={0x8, 0x4, 0xfffffffd}, @NL802154_KEY_ID_ATTR_SOURCE_EXTENDED={0xc, 0x5, 0x3}, @NL802154_KEY_ID_ATTR_SOURCE_SHORT={0x8, 0x4, 0x1}, @NL802154_KEY_ID_ATTR_SOURCE_EXTENDED={0xc, 0x5, 0x100000000}, @NL802154_KEY_ID_ATTR_IMPLICIT={0x3c, 0x3, 0x0, 0x1, [@NL802154_DEV_ADDR_ATTR_SHORT={0x6, 0x3, 0xffff}, @NL802154_DEV_ADDR_ATTR_MODE={0x8, 0x2, 0x2}, @NL802154_DEV_ADDR_ATTR_SHORT={0x6, 0x3, 0xfffe}, @NL802154_DEV_ADDR_ATTR_PAN_ID={0x6, 0x1, 0x1}, @NL802154_DEV_ADDR_ATTR_EXTENDED={0xc, 0x4, {0xaaaaaaaaaaaa0102}}, @NL802154_DEV_ADDR_ATTR_EXTENDED={0xc, 0x4, {0xaaaaaaaaaaaa0202}}]}, @NL802154_KEY_ID_ATTR_MODE={0x8, 0x1, 0x2}, @NL802154_KEY_ID_ATTR_SOURCE_EXTENDED={0xc, 0x5, 0x8000}, @NL802154_KEY_ID_ATTR_SOURCE_EXTENDED={0xc, 0x5, 0xb9}]}]}, @NL802154_ATTR_WPAN_DEV={0xc, 0x6, 0x100000001}, @NL802154_ATTR_WPAN_DEV={0xc, 0x6, 0x300000003}]}, 0x190}, 0x1, 0x0, 0x0, 0x1}, 0x804) (async) r4 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r5 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r4) sendmsg$NBD_CMD_DISCONNECT(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f00000004c0)=ANY=[@ANYBLOB='l\x00\x00\x00', @ANYRES16=r5, @ANYBLOB="01002dbd7000fddbdf25020000000c00030001000100", @ANYRES32=r5, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB], 0x6c}}, 0x0) 12:26:21 executing program 4: syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) socket$inet6_udp(0xa, 0x2, 0x0) socket$netlink(0x10, 0x3, 0x7) r0 = syz_clone(0x0, &(0x7f0000000040)="1a171245849453205cf092f9edbfe0620468e66d257e40c579b6e8725640fbc1a8373f161d95576188208359881a9b105c8ddaacf08443a63d24d285b39924e3a25798a1bacddb6e9f33d86412063db6c3fea9a89edec258ae8383ed3639fdb2", 0x60, &(0x7f00000000c0), &(0x7f0000000100), &(0x7f0000000140)="4815ba9089ee86199f4486e7f561ee854dd860fd69af0448d94e8d28e1997e190a1477113ac90d5dac2dc577deb6add5cffd64dc1da896ba03f8b4d56763494d9b0e542955175aa2d6f7dcdd816c0c230c5b8a6933086ad23e9007897a7b41b523a94e557d1cd76f8d74e37514af943a5a6fd39e16d8da37068639c2eb6902bfda8106e8a6e539a766b39ca85355b6bdb74725d3858b06f82ecc50ecd759bf861d1bf8d63fd3c1a8e3c2b77e3141c087ed7f5cec347bdd71d5cc52569a") syz_open_procfs$namespace(r0, &(0x7f0000000200)='ns/time\x00') 12:26:21 executing program 2: socketpair$nbd(0x1, 0x1, 0x0, 0x0) r0 = syz_open_dev$ndb(&(0x7f0000000080), 0x0, 0x2) ioctl$NBD_SET_SOCK(r0, 0xab00, 0xffffffffffffffff) 12:26:21 executing program 3: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, 0xffffffffffffffff) (async) r1 = openat$null(0xffffffffffffff9c, &(0x7f00000000c0), 0x4000, 0x0) ioctl$sock_bt_cmtp_CMTPGETCONNLIST(r1, 0x800443d2, &(0x7f0000000080)={0x0, &(0x7f0000000080)}) 12:26:21 executing program 0: syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) socket$inet6_udp(0xa, 0x2, 0x0) r0 = socket$netlink(0x10, 0x3, 0x7) sendmsg$TIPC_CMD_SET_NETID(r0, &(0x7f0000000d80)={0x0, 0x0, &(0x7f0000000d40)={&(0x7f0000000d00)={0x24, 0x0, 0x0, 0x0, 0x0, {{}, {}, {0x8}}}, 0x24}, 0x1, 0x0, 0x0, 0x1}, 0x0) syz_genetlink_get_family_id$batadv(&(0x7f0000000240), r0) syz_open_procfs$namespace(0x0, &(0x7f0000000200)='ns/time\x00') 12:26:21 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r1) sendmsg$NBD_CMD_DISCONNECT(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f00000004c0)=ANY=[@ANYBLOB='l\x00\x00\x00', @ANYRES16=r2, @ANYBLOB="01002dbd7000fddbdf2502"], 0x6c}, 0x1, 0x0, 0x0, 0x80000}, 0x80) 12:26:21 executing program 4: syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) socket$inet6_udp(0xa, 0x2, 0x0) socket$netlink(0x10, 0x3, 0x7) r0 = syz_clone(0x0, &(0x7f0000000040)="1a171245849453205cf092f9edbfe0620468e66d257e40c579b6e8725640fbc1a8373f161d95576188208359881a9b105c8ddaacf08443a63d24d285b39924e3a25798a1bacddb6e9f33d86412063db6c3fea9a89edec258ae8383ed3639fdb2", 0x60, &(0x7f00000000c0), &(0x7f0000000100), &(0x7f0000000140)="4815ba9089ee86199f4486e7f561ee854dd860fd69af0448d94e8d28e1997e190a1477113ac90d5dac2dc577deb6add5cffd64dc1da896ba03f8b4d56763494d9b0e542955175aa2d6f7dcdd816c0c230c5b8a6933086ad23e9007897a7b41b523a94e557d1cd76f8d74e37514af943a5a6fd39e16d8da37068639c2eb6902bfda8106e8a6e539a766b39ca85355b6bdb74725d3858b06f82ecc50ecd759bf861d1bf8d63fd3c1a8e3c2b77e3141c087ed7f5cec347bdd71d5cc52569a") syz_open_procfs$namespace(r0, &(0x7f0000000200)='ns/time\x00') 12:26:21 executing program 3: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x200040) ioctl$NBD_SET_SOCK(r0, 0xab00, 0xffffffffffffffff) 12:26:21 executing program 2: socketpair$nbd(0x1, 0x1, 0x0, 0x0) r0 = syz_open_dev$ndb(&(0x7f0000000080), 0x0, 0x2) ioctl$NBD_SET_SOCK(r0, 0xab00, 0xffffffffffffffff) 12:26:21 executing program 0: syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) socket$inet6_udp(0xa, 0x2, 0x0) r0 = socket$netlink(0x10, 0x3, 0x7) sendmsg$TIPC_CMD_SET_NETID(r0, &(0x7f0000000d80)={0x0, 0x0, &(0x7f0000000d40)={&(0x7f0000000d00)={0x24, 0x0, 0x0, 0x0, 0x0, {{}, {}, {0x8}}}, 0x24}, 0x1, 0x0, 0x0, 0x1}, 0x0) syz_genetlink_get_family_id$batadv(&(0x7f0000000240), r0) syz_open_procfs$namespace(0x0, &(0x7f0000000200)='ns/time\x00') [ 341.979517] nbd: must specify an index to disconnect 12:26:21 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r1) sendmsg$NBD_CMD_DISCONNECT(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f00000004c0)=ANY=[@ANYBLOB='l\x00\x00\x00', @ANYRES16=r2, @ANYBLOB="01002dbd7000fddbdf"], 0x6c}, 0x1, 0x0, 0x0, 0x80000}, 0x80) [ 342.010591] nbd: couldn't find device at index -1 12:26:21 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) ioctl$sock_SIOCGIFINDEX_802154(r0, 0x8933, &(0x7f0000000080)={'wpan4\x00', 0x0}) sendmsg$NL802154_CMD_SET_CCA_ED_LEVEL(r0, &(0x7f00000001c0)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x400}, 0xc, &(0x7f0000000180)={&(0x7f00000000c0)={0x30, 0x0, 0x100, 0x70bd2a, 0x25dfdbfe, {}, [@NL802154_ATTR_IFINDEX={0x8, 0x3, r1}, @NL802154_ATTR_WPAN_DEV={0xc}, @NL802154_ATTR_IFINDEX={0x8}]}, 0x30}, 0x1, 0x0, 0x0, 0x48040}, 0x4000004) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) r3 = syz_genetlink_get_family_id$nl802154(&(0x7f0000000240), r0) sendmsg$NL802154_CMD_DEL_SEC_DEVKEY(r2, &(0x7f0000000480)={&(0x7f0000000200)={0x10, 0x0, 0x0, 0x80000000}, 0xc, &(0x7f0000000440)={&(0x7f0000000280)={0x190, r3, 0x10, 0x70bd2c, 0x25dfdbfb, {}, [@NL802154_ATTR_SEC_DEVKEY={0x4c, 0x24, 0x0, 0x1, [@NL802154_DEVKEY_ATTR_ID={0x34, 0x3, 0x0, 0x1, [@NL802154_KEY_ID_ATTR_SOURCE_EXTENDED={0xc, 0x5, 0x7ff}, @NL802154_KEY_ID_ATTR_IMPLICIT={0x1c, 0x3, 0x0, 0x1, [@NL802154_DEV_ADDR_ATTR_SHORT={0x6, 0x3, 0xffff}, @NL802154_DEV_ADDR_ATTR_MODE={0x8, 0x2, 0x1}, @NL802154_DEV_ADDR_ATTR_MODE={0x8, 0x2, 0x3}]}, @NL802154_KEY_ID_ATTR_INDEX={0x5}]}, @NL802154_DEVKEY_ATTR_EXTENDED_ADDR={0xc, 0x2, {0xaaaaaaaaaaaa0202}}, @NL802154_DEVKEY_ATTR_FRAME_COUNTER={0x8, 0x1, 0x7ff}]}, @NL802154_ATTR_SEC_DEVKEY={0x118, 0x24, 0x0, 0x1, [@NL802154_DEVKEY_ATTR_EXTENDED_ADDR={0xc, 0x2, {0xaaaaaaaaaaaa0302}}, @NL802154_DEVKEY_ATTR_ID={0x60, 0x3, 0x0, 0x1, [@NL802154_KEY_ID_ATTR_MODE={0x8, 0x1, 0x3}, @NL802154_KEY_ID_ATTR_SOURCE_SHORT={0x8, 0x4, 0x5}, @NL802154_KEY_ID_ATTR_SOURCE_EXTENDED={0xc, 0x5, 0xffffffffffffffff}, @NL802154_KEY_ID_ATTR_IMPLICIT={0x28, 0x3, 0x0, 0x1, [@NL802154_DEV_ADDR_ATTR_MODE={0x8, 0x2, 0x1}, @NL802154_DEV_ADDR_ATTR_EXTENDED={0xc}, @NL802154_DEV_ADDR_ATTR_SHORT={0x6, 0x3, 0xfffe}, @NL802154_DEV_ADDR_ATTR_SHORT={0x6, 0x3, 0xffff}]}, @NL802154_KEY_ID_ATTR_INDEX={0x5, 0x2, 0x2}, @NL802154_KEY_ID_ATTR_SOURCE_SHORT={0x8, 0x4, 0x2}, @NL802154_KEY_ID_ATTR_SOURCE_SHORT={0x8, 0x4, 0x6}]}, @NL802154_DEVKEY_ATTR_FRAME_COUNTER={0x8, 0x1, 0x5}, @NL802154_DEVKEY_ATTR_FRAME_COUNTER={0x8, 0x1, 0xc66}, @NL802154_DEVKEY_ATTR_ID={0x98, 0x3, 0x0, 0x1, [@NL802154_KEY_ID_ATTR_SOURCE_SHORT={0x8, 0x4, 0x1ff}, @NL802154_KEY_ID_ATTR_SOURCE_SHORT={0x8, 0x4, 0x401}, @NL802154_KEY_ID_ATTR_SOURCE_SHORT={0x8, 0x4, 0xfffffffd}, @NL802154_KEY_ID_ATTR_SOURCE_EXTENDED={0xc, 0x5, 0x3}, @NL802154_KEY_ID_ATTR_SOURCE_SHORT={0x8, 0x4, 0x1}, @NL802154_KEY_ID_ATTR_SOURCE_EXTENDED={0xc, 0x5, 0x100000000}, @NL802154_KEY_ID_ATTR_IMPLICIT={0x3c, 0x3, 0x0, 0x1, [@NL802154_DEV_ADDR_ATTR_SHORT={0x6, 0x3, 0xffff}, @NL802154_DEV_ADDR_ATTR_MODE={0x8, 0x2, 0x2}, @NL802154_DEV_ADDR_ATTR_SHORT={0x6, 0x3, 0xfffe}, @NL802154_DEV_ADDR_ATTR_PAN_ID={0x6, 0x1, 0x1}, @NL802154_DEV_ADDR_ATTR_EXTENDED={0xc, 0x4, {0xaaaaaaaaaaaa0102}}, @NL802154_DEV_ADDR_ATTR_EXTENDED={0xc, 0x4, {0xaaaaaaaaaaaa0202}}]}, @NL802154_KEY_ID_ATTR_MODE={0x8, 0x1, 0x2}, @NL802154_KEY_ID_ATTR_SOURCE_EXTENDED={0xc, 0x5, 0x8000}, @NL802154_KEY_ID_ATTR_SOURCE_EXTENDED={0xc, 0x5, 0xb9}]}]}, @NL802154_ATTR_WPAN_DEV={0xc, 0x6, 0x100000001}, @NL802154_ATTR_WPAN_DEV={0xc, 0x6, 0x300000003}]}, 0x190}, 0x1, 0x0, 0x0, 0x1}, 0x804) (async) r4 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r5 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r4) sendmsg$NBD_CMD_DISCONNECT(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f00000004c0)=ANY=[@ANYBLOB='l\x00\x00\x00', @ANYRES16=r5, @ANYBLOB="01002dbd7000fddbdf25020000000c00030001000100", @ANYRES32=r5, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB], 0x6c}}, 0x0) 12:26:21 executing program 4: syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) socket$inet6_udp(0xa, 0x2, 0x0) sendmsg$TIPC_CMD_SET_NETID(0xffffffffffffffff, &(0x7f0000000d80)={0x0, 0x0, &(0x7f0000000d40)={&(0x7f0000000d00)={0x24, 0x0, 0x0, 0x0, 0x0, {{}, {}, {0x8}}}, 0x24}, 0x1, 0x0, 0x0, 0x1}, 0x0) r0 = syz_clone(0x0, &(0x7f0000000040)="1a171245849453205cf092f9edbfe0620468e66d257e40c579b6e8725640fbc1a8373f161d95576188208359881a9b105c8ddaacf08443a63d24d285b39924e3a25798a1bacddb6e9f33d86412063db6c3fea9a89edec258ae8383ed3639fdb2", 0x60, &(0x7f00000000c0), &(0x7f0000000100), &(0x7f0000000140)="4815ba9089ee86199f4486e7f561ee854dd860fd69af0448d94e8d28e1997e190a1477113ac90d5dac2dc577deb6add5cffd64dc1da896ba03f8b4d56763494d9b0e542955175aa2d6f7dcdd816c0c230c5b8a6933086ad23e9007897a7b41b523a94e557d1cd76f8d74e37514af943a5a6fd39e16d8da37068639c2eb6902bfda8106e8a6e539a766b39ca85355b6bdb74725d3858b06f82ecc50ecd759bf861d1bf8d63fd3c1a8e3c2b77e3141c087ed7f5cec347bdd71d5cc52569a") syz_open_procfs$namespace(r0, &(0x7f0000000200)='ns/time\x00') 12:26:21 executing program 2: socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) r1 = syz_open_dev$ndb(0x0, 0x0, 0x2) ioctl$NBD_SET_SOCK(r1, 0xab00, r0) 12:26:21 executing program 3: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x200040) ioctl$NBD_SET_SOCK(r0, 0xab00, 0xffffffffffffffff) 12:26:21 executing program 0: syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) socket$inet6_udp(0xa, 0x2, 0x0) r0 = socket$netlink(0x10, 0x3, 0x7) sendmsg$TIPC_CMD_SET_NETID(r0, &(0x7f0000000d80)={0x0, 0x0, &(0x7f0000000d40)={&(0x7f0000000d00)={0x24, 0x0, 0x0, 0x0, 0x0, {{}, {}, {0x8}}}, 0x24}, 0x1, 0x0, 0x0, 0x1}, 0x0) r1 = syz_clone(0x0, &(0x7f0000000040)="1a171245849453205cf092f9edbfe0620468e66d257e40c579b6e8725640fbc1a8373f161d95576188208359881a9b105c8ddaacf08443a63d24d285b39924e3a25798a1bacddb6e9f33d86412063db6c3fea9a89edec258ae8383ed3639fdb2", 0x60, &(0x7f00000000c0), &(0x7f0000000100), &(0x7f0000000140)="4815ba9089ee86199f4486e7f561ee854dd860fd69af0448d94e8d28e1997e190a1477113ac90d5dac2dc577deb6add5cffd64dc1da896ba03f8b4d56763494d9b0e542955175aa2d6f7dcdd816c0c230c5b8a6933086ad23e9007897a7b41b523a94e557d1cd76f8d74e37514af943a5a6fd39e16d8da37068639c2eb6902bfda8106e8a6e539a766b39ca85355b6bdb74725d3858b06f82ecc50ecd759bf861d1bf8d63fd3c1a8e3c2b77e3141c087ed7f5cec347bdd71d5cc52569a") syz_open_procfs$namespace(r1, &(0x7f0000000200)='ns/time\x00') 12:26:21 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r1) sendmsg$NBD_CMD_DISCONNECT(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f00000004c0)=ANY=[@ANYBLOB='l\x00\x00\x00', @ANYRES16=r2, @ANYBLOB="01002dbd7000fddbdf"], 0x6c}, 0x1, 0x0, 0x0, 0x80000}, 0x80) 12:26:21 executing program 2: socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) r1 = syz_open_dev$ndb(0x0, 0x0, 0x2) ioctl$NBD_SET_SOCK(r1, 0xab00, r0) 12:26:21 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r1) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r4 = syz_genetlink_get_family_id$nl802154(&(0x7f0000000240), r0) ioctl$sock_SIOCGIFINDEX_802154(r0, 0x8933, &(0x7f0000000280)={'wpan1\x00', 0x0}) r6 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) ioctl$sock_SIOCGIFINDEX_802154(r0, 0x8933, &(0x7f00000003c0)={'wpan4\x00', 0x0}) sendmsg$NL802154_CMD_SET_TX_POWER(r6, &(0x7f0000000500)={&(0x7f00000001c0)={0x10, 0x0, 0x0, 0x20000000}, 0xc, &(0x7f0000000480)={&(0x7f0000000400)={0x44, 0x0, 0x400, 0x70bd28, 0x25dfdbfe, {}, [@NL802154_ATTR_IFINDEX={0x8, 0x3, r7}, @NL802154_ATTR_TX_POWER={0x8}, @NL802154_ATTR_WPAN_PHY={0x8, 0x1, 0x2}, @NL802154_ATTR_WPAN_PHY={0x8, 0x1, 0x1}, @NL802154_ATTR_WPAN_PHY={0x8, 0x1, 0x3}, @NL802154_ATTR_TX_POWER={0x8, 0xb, 0x14}]}, 0x44}, 0x1, 0x0, 0x0, 0x1}, 0x4000) sendmsg$NL802154_CMD_SET_BACKOFF_EXPONENT(r3, &(0x7f0000000340)={&(0x7f0000000200)={0x10, 0x0, 0x0, 0x40}, 0xc, &(0x7f0000000300)={&(0x7f00000002c0)={0x1c, r4, 0x100, 0x70bd25, 0x25dfdbfe, {}, [@NL802154_ATTR_IFINDEX={0x8, 0x3, r5}]}, 0x1c}, 0x1, 0x0, 0x0, 0x800}, 0x10) r8 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NL802154_CMD_SET_CCA_ED_LEVEL(r8, &(0x7f0000000b40)={&(0x7f0000000a80), 0xc, &(0x7f0000000b00)={&(0x7f0000000ac0)={0x14, 0x0, 0x1}, 0x14}}, 0x0) r9 = syz_genetlink_get_family_id$nl802154(&(0x7f0000000080), r0) sendmsg$NL802154_CMD_SET_CCA_MODE(r8, &(0x7f0000000380)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x80}, 0xc, &(0x7f0000000180)={&(0x7f00000000c0)={0x3c, r9, 0x200, 0x70bd26, 0x25dfdbff, {}, [@NL802154_ATTR_CCA_OPT={0x8}, @NL802154_ATTR_WPAN_PHY={0x8, 0x1, 0x1}, @NL802154_ATTR_CCA_OPT={0x8, 0xd, 0x1}, @NL802154_ATTR_IFINDEX={0x8}, @NL802154_ATTR_CCA_OPT={0x8}]}, 0x3c}, 0x1, 0x0, 0x0, 0x4000000}, 0x24000810) sendmsg$NBD_CMD_DISCONNECT(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f00000004c0)=ANY=[@ANYBLOB='l\x00\x00\x00', @ANYRES16=r2, @ANYBLOB="01002dbd7000fddbdf25020000000c00030001000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB], 0x6c}}, 0x0) [ 342.256526] nbd: couldn't find device at index -1 12:26:21 executing program 3: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x200040) ioctl$NBD_SET_SOCK(r0, 0xab00, 0xffffffffffffffff) 12:26:21 executing program 0: syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) socket$inet6_udp(0xa, 0x2, 0x0) socket$netlink(0x10, 0x3, 0x7) r0 = syz_clone(0x0, &(0x7f0000000040)="1a171245849453205cf092f9edbfe0620468e66d257e40c579b6e8725640fbc1a8373f161d95576188208359881a9b105c8ddaacf08443a63d24d285b39924e3a25798a1bacddb6e9f33d86412063db6c3fea9a89edec258ae8383ed3639fdb2", 0x60, &(0x7f00000000c0), &(0x7f0000000100), &(0x7f0000000140)="4815ba9089ee86199f4486e7f561ee854dd860fd69af0448d94e8d28e1997e190a1477113ac90d5dac2dc577deb6add5cffd64dc1da896ba03f8b4d56763494d9b0e542955175aa2d6f7dcdd816c0c230c5b8a6933086ad23e9007897a7b41b523a94e557d1cd76f8d74e37514af943a5a6fd39e16d8da37068639c2eb6902bfda8106e8a6e539a766b39ca85355b6bdb74725d3858b06f82ecc50ecd759bf861d1bf8d63fd3c1a8e3c2b77e3141c087ed7f5cec347bdd71d5cc52569a") syz_open_procfs$namespace(r0, &(0x7f0000000200)='ns/time\x00') 12:26:21 executing program 4: syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) socket$inet6_udp(0xa, 0x2, 0x0) sendmsg$TIPC_CMD_SET_NETID(0xffffffffffffffff, &(0x7f0000000d80)={0x0, 0x0, &(0x7f0000000d40)={&(0x7f0000000d00)={0x24, 0x0, 0x0, 0x0, 0x0, {{}, {}, {0x8}}}, 0x24}, 0x1, 0x0, 0x0, 0x1}, 0x0) r0 = syz_clone(0x0, &(0x7f0000000040)="1a171245849453205cf092f9edbfe0620468e66d257e40c579b6e8725640fbc1a8373f161d95576188208359881a9b105c8ddaacf08443a63d24d285b39924e3a25798a1bacddb6e9f33d86412063db6c3fea9a89edec258ae8383ed3639fdb2", 0x60, &(0x7f00000000c0), &(0x7f0000000100), &(0x7f0000000140)="4815ba9089ee86199f4486e7f561ee854dd860fd69af0448d94e8d28e1997e190a1477113ac90d5dac2dc577deb6add5cffd64dc1da896ba03f8b4d56763494d9b0e542955175aa2d6f7dcdd816c0c230c5b8a6933086ad23e9007897a7b41b523a94e557d1cd76f8d74e37514af943a5a6fd39e16d8da37068639c2eb6902bfda8106e8a6e539a766b39ca85355b6bdb74725d3858b06f82ecc50ecd759bf861d1bf8d63fd3c1a8e3c2b77e3141c087ed7f5cec347bdd71d5cc52569a") syz_open_procfs$namespace(r0, &(0x7f0000000200)='ns/time\x00') 12:26:21 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r1) sendmsg$NBD_CMD_DISCONNECT(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f00000004c0)=ANY=[@ANYBLOB='l\x00\x00\x00', @ANYRES16=r2, @ANYBLOB="01002dbd7000fddbdf"], 0x6c}, 0x1, 0x0, 0x0, 0x80000}, 0x80) 12:26:22 executing program 2: socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) r1 = syz_open_dev$ndb(0x0, 0x0, 0x2) ioctl$NBD_SET_SOCK(r1, 0xab00, r0) 12:26:22 executing program 3: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, 0xffffffffffffffff) r1 = openat$null(0xffffffffffffff9c, 0x0, 0x0, 0x0) mmap$perf(&(0x7f0000ffe000/0x2000)=nil, 0x2000, 0x0, 0x10, r1, 0x0) r2 = openat$null(0xffffffffffffff9c, 0x0, 0x0, 0x0) mmap$perf(&(0x7f0000ffe000/0x2000)=nil, 0x2000, 0x0, 0x10, r2, 0x0) waitid$P_PIDFD(0x3, r2, &(0x7f0000000080), 0x2, &(0x7f0000000100)) ioctl$SNDRV_CTL_IOCTL_PVERSION(r1, 0x80045500, &(0x7f0000000040)) 12:26:22 executing program 4: syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) sendmsg$TIPC_CMD_SET_NETID(0xffffffffffffffff, &(0x7f0000000d80)={0x0, 0x0, &(0x7f0000000d40)={&(0x7f0000000d00)={0x24, 0x0, 0x0, 0x0, 0x0, {{}, {}, {0x8}}}, 0x24}, 0x1, 0x0, 0x0, 0x1}, 0x0) r0 = syz_clone(0x0, &(0x7f0000000040)="1a171245849453205cf092f9edbfe0620468e66d257e40c579b6e8725640fbc1a8373f161d95576188208359881a9b105c8ddaacf08443a63d24d285b39924e3a25798a1bacddb6e9f33d86412063db6c3fea9a89edec258ae8383ed3639fdb2", 0x60, &(0x7f00000000c0), &(0x7f0000000100), &(0x7f0000000140)="4815ba9089ee86199f4486e7f561ee854dd860fd69af0448d94e8d28e1997e190a1477113ac90d5dac2dc577deb6add5cffd64dc1da896ba03f8b4d56763494d9b0e542955175aa2d6f7dcdd816c0c230c5b8a6933086ad23e9007897a7b41b523a94e557d1cd76f8d74e37514af943a5a6fd39e16d8da37068639c2eb6902bfda8106e8a6e539a766b39ca85355b6bdb74725d3858b06f82ecc50ecd759bf861d1bf8d63fd3c1a8e3c2b77e3141c087ed7f5cec347bdd71d5cc52569a") syz_open_procfs$namespace(r0, &(0x7f0000000200)='ns/time\x00') 12:26:22 executing program 0: syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) socket$inet6_udp(0xa, 0x2, 0x0) r0 = syz_clone(0x0, &(0x7f0000000040)="1a171245849453205cf092f9edbfe0620468e66d257e40c579b6e8725640fbc1a8373f161d95576188208359881a9b105c8ddaacf08443a63d24d285b39924e3a25798a1bacddb6e9f33d86412063db6c3fea9a89edec258ae8383ed3639fdb2", 0x60, &(0x7f00000000c0), &(0x7f0000000100), &(0x7f0000000140)="4815ba9089ee86199f4486e7f561ee854dd860fd69af0448d94e8d28e1997e190a1477113ac90d5dac2dc577deb6add5cffd64dc1da896ba03f8b4d56763494d9b0e542955175aa2d6f7dcdd816c0c230c5b8a6933086ad23e9007897a7b41b523a94e557d1cd76f8d74e37514af943a5a6fd39e16d8da37068639c2eb6902bfda8106e8a6e539a766b39ca85355b6bdb74725d3858b06f82ecc50ecd759bf861d1bf8d63fd3c1a8e3c2b77e3141c087ed7f5cec347bdd71d5cc52569a") syz_open_procfs$namespace(r0, &(0x7f0000000200)='ns/time\x00') [ 342.525686] nbd: couldn't find device at index -1 12:26:22 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r1) sendmsg$NBD_CMD_DISCONNECT(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f00000004c0)=ANY=[@ANYBLOB='l\x00\x00\x00', @ANYRES16=r2, @ANYBLOB="01002dbd7000fddbdf25"], 0x6c}, 0x1, 0x0, 0x0, 0x80000}, 0x80) 12:26:22 executing program 2: socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) r1 = syz_open_dev$ndb(&(0x7f0000000080), 0x0, 0x0) ioctl$NBD_SET_SOCK(r1, 0xab00, r0) 12:26:22 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r1) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r4 = syz_genetlink_get_family_id$nl802154(&(0x7f0000000240), r0) ioctl$sock_SIOCGIFINDEX_802154(r0, 0x8933, &(0x7f0000000280)={'wpan1\x00', 0x0}) r6 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) ioctl$sock_SIOCGIFINDEX_802154(r0, 0x8933, &(0x7f00000003c0)={'wpan4\x00', 0x0}) sendmsg$NL802154_CMD_SET_TX_POWER(r6, &(0x7f0000000500)={&(0x7f00000001c0)={0x10, 0x0, 0x0, 0x20000000}, 0xc, &(0x7f0000000480)={&(0x7f0000000400)={0x44, 0x0, 0x400, 0x70bd28, 0x25dfdbfe, {}, [@NL802154_ATTR_IFINDEX={0x8, 0x3, r7}, @NL802154_ATTR_TX_POWER={0x8}, @NL802154_ATTR_WPAN_PHY={0x8, 0x1, 0x2}, @NL802154_ATTR_WPAN_PHY={0x8, 0x1, 0x1}, @NL802154_ATTR_WPAN_PHY={0x8, 0x1, 0x3}, @NL802154_ATTR_TX_POWER={0x8, 0xb, 0x14}]}, 0x44}, 0x1, 0x0, 0x0, 0x1}, 0x4000) sendmsg$NL802154_CMD_SET_BACKOFF_EXPONENT(r3, &(0x7f0000000340)={&(0x7f0000000200)={0x10, 0x0, 0x0, 0x40}, 0xc, &(0x7f0000000300)={&(0x7f00000002c0)={0x1c, r4, 0x100, 0x70bd25, 0x25dfdbfe, {}, [@NL802154_ATTR_IFINDEX={0x8, 0x3, r5}]}, 0x1c}, 0x1, 0x0, 0x0, 0x800}, 0x10) r8 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NL802154_CMD_SET_CCA_ED_LEVEL(r8, &(0x7f0000000b40)={&(0x7f0000000a80), 0xc, &(0x7f0000000b00)={&(0x7f0000000ac0)={0x14, 0x0, 0x1}, 0x14}}, 0x0) r9 = syz_genetlink_get_family_id$nl802154(&(0x7f0000000080), r0) sendmsg$NL802154_CMD_SET_CCA_MODE(r8, &(0x7f0000000380)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x80}, 0xc, &(0x7f0000000180)={&(0x7f00000000c0)={0x3c, r9, 0x200, 0x70bd26, 0x25dfdbff, {}, [@NL802154_ATTR_CCA_OPT={0x8}, @NL802154_ATTR_WPAN_PHY={0x8, 0x1, 0x1}, @NL802154_ATTR_CCA_OPT={0x8, 0xd, 0x1}, @NL802154_ATTR_IFINDEX={0x8}, @NL802154_ATTR_CCA_OPT={0x8}]}, 0x3c}, 0x1, 0x0, 0x0, 0x4000000}, 0x24000810) sendmsg$NBD_CMD_DISCONNECT(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f00000004c0)=ANY=[@ANYBLOB='l\x00\x00\x00', @ANYRES16=r2, @ANYBLOB="01002dbd7000fddbdf25020000000c00030001000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB], 0x6c}}, 0x0) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r1) (async) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) syz_genetlink_get_family_id$nl802154(&(0x7f0000000240), r0) (async) ioctl$sock_SIOCGIFINDEX_802154(r0, 0x8933, &(0x7f0000000280)={'wpan1\x00'}) (async) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) ioctl$sock_SIOCGIFINDEX_802154(r0, 0x8933, &(0x7f00000003c0)={'wpan4\x00'}) (async) sendmsg$NL802154_CMD_SET_TX_POWER(r6, &(0x7f0000000500)={&(0x7f00000001c0)={0x10, 0x0, 0x0, 0x20000000}, 0xc, &(0x7f0000000480)={&(0x7f0000000400)={0x44, 0x0, 0x400, 0x70bd28, 0x25dfdbfe, {}, [@NL802154_ATTR_IFINDEX={0x8, 0x3, r7}, @NL802154_ATTR_TX_POWER={0x8}, @NL802154_ATTR_WPAN_PHY={0x8, 0x1, 0x2}, @NL802154_ATTR_WPAN_PHY={0x8, 0x1, 0x1}, @NL802154_ATTR_WPAN_PHY={0x8, 0x1, 0x3}, @NL802154_ATTR_TX_POWER={0x8, 0xb, 0x14}]}, 0x44}, 0x1, 0x0, 0x0, 0x1}, 0x4000) (async) sendmsg$NL802154_CMD_SET_BACKOFF_EXPONENT(r3, &(0x7f0000000340)={&(0x7f0000000200)={0x10, 0x0, 0x0, 0x40}, 0xc, &(0x7f0000000300)={&(0x7f00000002c0)={0x1c, r4, 0x100, 0x70bd25, 0x25dfdbfe, {}, [@NL802154_ATTR_IFINDEX={0x8, 0x3, r5}]}, 0x1c}, 0x1, 0x0, 0x0, 0x800}, 0x10) (async) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) sendmsg$NL802154_CMD_SET_CCA_ED_LEVEL(r8, &(0x7f0000000b40)={&(0x7f0000000a80), 0xc, &(0x7f0000000b00)={&(0x7f0000000ac0)={0x14, 0x0, 0x1}, 0x14}}, 0x0) (async) syz_genetlink_get_family_id$nl802154(&(0x7f0000000080), r0) (async) sendmsg$NL802154_CMD_SET_CCA_MODE(r8, &(0x7f0000000380)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x80}, 0xc, &(0x7f0000000180)={&(0x7f00000000c0)={0x3c, r9, 0x200, 0x70bd26, 0x25dfdbff, {}, [@NL802154_ATTR_CCA_OPT={0x8}, @NL802154_ATTR_WPAN_PHY={0x8, 0x1, 0x1}, @NL802154_ATTR_CCA_OPT={0x8, 0xd, 0x1}, @NL802154_ATTR_IFINDEX={0x8}, @NL802154_ATTR_CCA_OPT={0x8}]}, 0x3c}, 0x1, 0x0, 0x0, 0x4000000}, 0x24000810) (async) sendmsg$NBD_CMD_DISCONNECT(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f00000004c0)=ANY=[@ANYBLOB='l\x00\x00\x00', @ANYRES16=r2, @ANYBLOB="01002dbd7000fddbdf25020000000c00030001000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB], 0x6c}}, 0x0) (async) 12:26:22 executing program 3: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, 0xffffffffffffffff) r1 = openat$null(0xffffffffffffff9c, 0x0, 0x0, 0x0) mmap$perf(&(0x7f0000ffe000/0x2000)=nil, 0x2000, 0x0, 0x10, r1, 0x0) r2 = openat$null(0xffffffffffffff9c, 0x0, 0x0, 0x0) mmap$perf(&(0x7f0000ffe000/0x2000)=nil, 0x2000, 0x0, 0x10, r2, 0x0) waitid$P_PIDFD(0x3, r2, &(0x7f0000000080), 0x2, &(0x7f0000000100)) ioctl$SNDRV_CTL_IOCTL_PVERSION(r1, 0x80045500, &(0x7f0000000040)) syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) (async) ioctl$NBD_SET_SOCK(r0, 0xab00, 0xffffffffffffffff) (async) openat$null(0xffffffffffffff9c, 0x0, 0x0, 0x0) (async) mmap$perf(&(0x7f0000ffe000/0x2000)=nil, 0x2000, 0x0, 0x10, r1, 0x0) (async) openat$null(0xffffffffffffff9c, 0x0, 0x0, 0x0) (async) mmap$perf(&(0x7f0000ffe000/0x2000)=nil, 0x2000, 0x0, 0x10, r2, 0x0) (async) waitid$P_PIDFD(0x3, r2, &(0x7f0000000080), 0x2, &(0x7f0000000100)) (async) ioctl$SNDRV_CTL_IOCTL_PVERSION(r1, 0x80045500, &(0x7f0000000040)) (async) 12:26:22 executing program 4: syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) sendmsg$TIPC_CMD_SET_NETID(0xffffffffffffffff, &(0x7f0000000d80)={0x0, 0x0, &(0x7f0000000d40)={&(0x7f0000000d00)={0x24, 0x0, 0x0, 0x0, 0x0, {{}, {}, {0x8}}}, 0x24}, 0x1, 0x0, 0x0, 0x1}, 0x0) r0 = syz_clone(0x0, &(0x7f0000000040)="1a171245849453205cf092f9edbfe0620468e66d257e40c579b6e8725640fbc1a8373f161d95576188208359881a9b105c8ddaacf08443a63d24d285b39924e3a25798a1bacddb6e9f33d86412063db6c3fea9a89edec258ae8383ed3639fdb2", 0x60, &(0x7f00000000c0), &(0x7f0000000100), &(0x7f0000000140)="4815ba9089ee86199f4486e7f561ee854dd860fd69af0448d94e8d28e1997e190a1477113ac90d5dac2dc577deb6add5cffd64dc1da896ba03f8b4d56763494d9b0e542955175aa2d6f7dcdd816c0c230c5b8a6933086ad23e9007897a7b41b523a94e557d1cd76f8d74e37514af943a5a6fd39e16d8da37068639c2eb6902bfda8106e8a6e539a766b39ca85355b6bdb74725d3858b06f82ecc50ecd759bf861d1bf8d63fd3c1a8e3c2b77e3141c087ed7f5cec347bdd71d5cc52569a") syz_open_procfs$namespace(r0, &(0x7f0000000200)='ns/time\x00') 12:26:22 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r1) sendmsg$NBD_CMD_DISCONNECT(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f00000004c0)=ANY=[@ANYBLOB='l\x00\x00\x00', @ANYRES16=r2, @ANYBLOB="01002dbd7000fddbdf25"], 0x6c}, 0x1, 0x0, 0x0, 0x80000}, 0x80) 12:26:22 executing program 0: syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) r0 = syz_clone(0x0, &(0x7f0000000040)="1a171245849453205cf092f9edbfe0620468e66d257e40c579b6e8725640fbc1a8373f161d95576188208359881a9b105c8ddaacf08443a63d24d285b39924e3a25798a1bacddb6e9f33d86412063db6c3fea9a89edec258ae8383ed3639fdb2", 0x60, &(0x7f00000000c0), &(0x7f0000000100), &(0x7f0000000140)="4815ba9089ee86199f4486e7f561ee854dd860fd69af0448d94e8d28e1997e190a1477113ac90d5dac2dc577deb6add5cffd64dc1da896ba03f8b4d56763494d9b0e542955175aa2d6f7dcdd816c0c230c5b8a6933086ad23e9007897a7b41b523a94e557d1cd76f8d74e37514af943a5a6fd39e16d8da37068639c2eb6902bfda8106e8a6e539a766b39ca85355b6bdb74725d3858b06f82ecc50ecd759bf861d1bf8d63fd3c1a8e3c2b77e3141c087ed7f5cec347bdd71d5cc52569a") syz_open_procfs$namespace(r0, &(0x7f0000000200)='ns/time\x00') 12:26:22 executing program 2: socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) syz_open_dev$ndb(&(0x7f0000000080), 0x0, 0x0) ioctl$NBD_SET_SOCK(0xffffffffffffffff, 0xab00, r0) [ 342.799877] block nbd2: shutting down sockets 12:26:22 executing program 3: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, 0xffffffffffffffff) (async) r1 = openat$null(0xffffffffffffff9c, 0x0, 0x0, 0x0) mmap$perf(&(0x7f0000ffe000/0x2000)=nil, 0x2000, 0x0, 0x10, r1, 0x0) r2 = openat$null(0xffffffffffffff9c, 0x0, 0x0, 0x0) mmap$perf(&(0x7f0000ffe000/0x2000)=nil, 0x2000, 0x0, 0x10, r2, 0x0) (async) waitid$P_PIDFD(0x3, r2, &(0x7f0000000080), 0x2, &(0x7f0000000100)) (async, rerun: 32) ioctl$SNDRV_CTL_IOCTL_PVERSION(r1, 0x80045500, &(0x7f0000000040)) (rerun: 32) [ 342.837243] nbd: couldn't find device at index -1 12:26:22 executing program 4: sendmsg$TIPC_CMD_SET_NETID(0xffffffffffffffff, &(0x7f0000000d80)={0x0, 0x0, &(0x7f0000000d40)={&(0x7f0000000d00)={0x24, 0x0, 0x0, 0x0, 0x0, {{}, {}, {0x8}}}, 0x24}, 0x1, 0x0, 0x0, 0x1}, 0x0) r0 = syz_clone(0x0, &(0x7f0000000040)="1a171245849453205cf092f9edbfe0620468e66d257e40c579b6e8725640fbc1a8373f161d95576188208359881a9b105c8ddaacf08443a63d24d285b39924e3a25798a1bacddb6e9f33d86412063db6c3fea9a89edec258ae8383ed3639fdb2", 0x60, &(0x7f00000000c0), &(0x7f0000000100), &(0x7f0000000140)="4815ba9089ee86199f4486e7f561ee854dd860fd69af0448d94e8d28e1997e190a1477113ac90d5dac2dc577deb6add5cffd64dc1da896ba03f8b4d56763494d9b0e542955175aa2d6f7dcdd816c0c230c5b8a6933086ad23e9007897a7b41b523a94e557d1cd76f8d74e37514af943a5a6fd39e16d8da37068639c2eb6902bfda8106e8a6e539a766b39ca85355b6bdb74725d3858b06f82ecc50ecd759bf861d1bf8d63fd3c1a8e3c2b77e3141c087ed7f5cec347bdd71d5cc52569a") syz_open_procfs$namespace(r0, &(0x7f0000000200)='ns/time\x00') 12:26:22 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r1) sendmsg$NBD_CMD_DISCONNECT(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f00000004c0)=ANY=[@ANYBLOB='l\x00\x00\x00', @ANYRES16=r2, @ANYBLOB="01002dbd7000fddbdf25"], 0x6c}, 0x1, 0x0, 0x0, 0x80000}, 0x80) [ 342.880043] nbd: couldn't find device at index -1 12:26:22 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r1) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r4 = syz_genetlink_get_family_id$nl802154(&(0x7f0000000240), r0) ioctl$sock_SIOCGIFINDEX_802154(r0, 0x8933, &(0x7f0000000280)={'wpan1\x00', 0x0}) r6 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) ioctl$sock_SIOCGIFINDEX_802154(r0, 0x8933, &(0x7f00000003c0)={'wpan4\x00', 0x0}) sendmsg$NL802154_CMD_SET_TX_POWER(r6, &(0x7f0000000500)={&(0x7f00000001c0)={0x10, 0x0, 0x0, 0x20000000}, 0xc, &(0x7f0000000480)={&(0x7f0000000400)={0x44, 0x0, 0x400, 0x70bd28, 0x25dfdbfe, {}, [@NL802154_ATTR_IFINDEX={0x8, 0x3, r7}, @NL802154_ATTR_TX_POWER={0x8}, @NL802154_ATTR_WPAN_PHY={0x8, 0x1, 0x2}, @NL802154_ATTR_WPAN_PHY={0x8, 0x1, 0x1}, @NL802154_ATTR_WPAN_PHY={0x8, 0x1, 0x3}, @NL802154_ATTR_TX_POWER={0x8, 0xb, 0x14}]}, 0x44}, 0x1, 0x0, 0x0, 0x1}, 0x4000) sendmsg$NL802154_CMD_SET_BACKOFF_EXPONENT(r3, &(0x7f0000000340)={&(0x7f0000000200)={0x10, 0x0, 0x0, 0x40}, 0xc, &(0x7f0000000300)={&(0x7f00000002c0)={0x1c, r4, 0x100, 0x70bd25, 0x25dfdbfe, {}, [@NL802154_ATTR_IFINDEX={0x8, 0x3, r5}]}, 0x1c}, 0x1, 0x0, 0x0, 0x800}, 0x10) r8 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NL802154_CMD_SET_CCA_ED_LEVEL(r8, &(0x7f0000000b40)={&(0x7f0000000a80), 0xc, &(0x7f0000000b00)={&(0x7f0000000ac0)={0x14, 0x0, 0x1}, 0x14}}, 0x0) r9 = syz_genetlink_get_family_id$nl802154(&(0x7f0000000080), r0) sendmsg$NL802154_CMD_SET_CCA_MODE(r8, &(0x7f0000000380)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x80}, 0xc, &(0x7f0000000180)={&(0x7f00000000c0)={0x3c, r9, 0x200, 0x70bd26, 0x25dfdbff, {}, [@NL802154_ATTR_CCA_OPT={0x8}, @NL802154_ATTR_WPAN_PHY={0x8, 0x1, 0x1}, @NL802154_ATTR_CCA_OPT={0x8, 0xd, 0x1}, @NL802154_ATTR_IFINDEX={0x8}, @NL802154_ATTR_CCA_OPT={0x8}]}, 0x3c}, 0x1, 0x0, 0x0, 0x4000000}, 0x24000810) sendmsg$NBD_CMD_DISCONNECT(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f00000004c0)=ANY=[@ANYBLOB='l\x00\x00\x00', @ANYRES16=r2, @ANYBLOB="01002dbd7000fddbdf25020000000c00030001000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB], 0x6c}}, 0x0) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r1) (async) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) syz_genetlink_get_family_id$nl802154(&(0x7f0000000240), r0) (async) ioctl$sock_SIOCGIFINDEX_802154(r0, 0x8933, &(0x7f0000000280)={'wpan1\x00'}) (async) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) ioctl$sock_SIOCGIFINDEX_802154(r0, 0x8933, &(0x7f00000003c0)={'wpan4\x00'}) (async) sendmsg$NL802154_CMD_SET_TX_POWER(r6, &(0x7f0000000500)={&(0x7f00000001c0)={0x10, 0x0, 0x0, 0x20000000}, 0xc, &(0x7f0000000480)={&(0x7f0000000400)={0x44, 0x0, 0x400, 0x70bd28, 0x25dfdbfe, {}, [@NL802154_ATTR_IFINDEX={0x8, 0x3, r7}, @NL802154_ATTR_TX_POWER={0x8}, @NL802154_ATTR_WPAN_PHY={0x8, 0x1, 0x2}, @NL802154_ATTR_WPAN_PHY={0x8, 0x1, 0x1}, @NL802154_ATTR_WPAN_PHY={0x8, 0x1, 0x3}, @NL802154_ATTR_TX_POWER={0x8, 0xb, 0x14}]}, 0x44}, 0x1, 0x0, 0x0, 0x1}, 0x4000) (async) sendmsg$NL802154_CMD_SET_BACKOFF_EXPONENT(r3, &(0x7f0000000340)={&(0x7f0000000200)={0x10, 0x0, 0x0, 0x40}, 0xc, &(0x7f0000000300)={&(0x7f00000002c0)={0x1c, r4, 0x100, 0x70bd25, 0x25dfdbfe, {}, [@NL802154_ATTR_IFINDEX={0x8, 0x3, r5}]}, 0x1c}, 0x1, 0x0, 0x0, 0x800}, 0x10) (async) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) sendmsg$NL802154_CMD_SET_CCA_ED_LEVEL(r8, &(0x7f0000000b40)={&(0x7f0000000a80), 0xc, &(0x7f0000000b00)={&(0x7f0000000ac0)={0x14, 0x0, 0x1}, 0x14}}, 0x0) (async) syz_genetlink_get_family_id$nl802154(&(0x7f0000000080), r0) (async) sendmsg$NL802154_CMD_SET_CCA_MODE(r8, &(0x7f0000000380)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x80}, 0xc, &(0x7f0000000180)={&(0x7f00000000c0)={0x3c, r9, 0x200, 0x70bd26, 0x25dfdbff, {}, [@NL802154_ATTR_CCA_OPT={0x8}, @NL802154_ATTR_WPAN_PHY={0x8, 0x1, 0x1}, @NL802154_ATTR_CCA_OPT={0x8, 0xd, 0x1}, @NL802154_ATTR_IFINDEX={0x8}, @NL802154_ATTR_CCA_OPT={0x8}]}, 0x3c}, 0x1, 0x0, 0x0, 0x4000000}, 0x24000810) (async) sendmsg$NBD_CMD_DISCONNECT(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f00000004c0)=ANY=[@ANYBLOB='l\x00\x00\x00', @ANYRES16=r2, @ANYBLOB="01002dbd7000fddbdf25020000000c00030001000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB], 0x6c}}, 0x0) (async) 12:26:22 executing program 0: r0 = syz_clone(0x0, &(0x7f0000000040)="1a171245849453205cf092f9edbfe0620468e66d257e40c579b6e8725640fbc1a8373f161d95576188208359881a9b105c8ddaacf08443a63d24d285b39924e3a25798a1bacddb6e9f33d86412063db6c3fea9a89edec258ae8383ed3639fdb2", 0x60, &(0x7f00000000c0), &(0x7f0000000100), &(0x7f0000000140)="4815ba9089ee86199f4486e7f561ee854dd860fd69af0448d94e8d28e1997e190a1477113ac90d5dac2dc577deb6add5cffd64dc1da896ba03f8b4d56763494d9b0e542955175aa2d6f7dcdd816c0c230c5b8a6933086ad23e9007897a7b41b523a94e557d1cd76f8d74e37514af943a5a6fd39e16d8da37068639c2eb6902bfda8106e8a6e539a766b39ca85355b6bdb74725d3858b06f82ecc50ecd759bf861d1bf8d63fd3c1a8e3c2b77e3141c087ed7f5cec347bdd71d5cc52569a") syz_open_procfs$namespace(r0, &(0x7f0000000200)='ns/time\x00') 12:26:22 executing program 2: socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) syz_open_dev$ndb(&(0x7f0000000080), 0x0, 0x0) ioctl$NBD_SET_SOCK(0xffffffffffffffff, 0xab00, r0) 12:26:22 executing program 3: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, 0xffffffffffffffff) sendmsg$IPVS_CMD_DEL_SERVICE(0xffffffffffffffff, &(0x7f0000000280)={&(0x7f0000000100)={0x10, 0x0, 0x0, 0x23100}, 0xc, &(0x7f0000000240)={&(0x7f0000000140)={0xe4, 0x0, 0x8, 0x70bd2d, 0x25dfdbfe, {}, [@IPVS_CMD_ATTR_SERVICE={0x1c, 0x1, 0x0, 0x1, [@IPVS_SVC_ATTR_PROTOCOL={0x6, 0x2, 0x2e}, @IPVS_SVC_ATTR_TIMEOUT={0x8, 0x8, 0x1f}, @IPVS_SVC_ATTR_AF={0x6, 0x1, 0x2}]}, @IPVS_CMD_ATTR_SERVICE={0x60, 0x1, 0x0, 0x1, [@IPVS_SVC_ATTR_AF={0x6, 0x1, 0x2}, @IPVS_SVC_ATTR_AF={0x6, 0x1, 0x2}, @IPVS_SVC_ATTR_TIMEOUT={0x8, 0x8, 0x10000}, @IPVS_SVC_ATTR_TIMEOUT={0x8, 0x8, 0x7}, @IPVS_SVC_ATTR_PE_NAME={0x8}, @IPVS_SVC_ATTR_PROTOCOL={0x6, 0x2, 0x2b}, @IPVS_SVC_ATTR_NETMASK={0x8, 0x9, 0x49}, @IPVS_SVC_ATTR_PORT={0x6, 0x4, 0x4e22}, @IPVS_SVC_ATTR_FWMARK={0x8, 0x5, 0x1}, @IPVS_SVC_ATTR_ADDR={0x14, 0x3, @ipv4=@loopback}]}, @IPVS_CMD_ATTR_TIMEOUT_UDP={0x8, 0x6, 0x200}, @IPVS_CMD_ATTR_TIMEOUT_TCP_FIN={0x8, 0x5, 0x94}, @IPVS_CMD_ATTR_SERVICE={0xc, 0x1, 0x0, 0x1, [@IPVS_SVC_ATTR_TIMEOUT={0x8, 0x8, 0x8}]}, @IPVS_CMD_ATTR_DAEMON={0x38, 0x3, 0x0, 0x1, [@IPVS_DAEMON_ATTR_MCAST_TTL={0x5, 0x8, 0x8}, @IPVS_DAEMON_ATTR_SYNC_MAXLEN={0x6, 0x4, 0x4}, @IPVS_DAEMON_ATTR_MCAST_GROUP={0x8, 0x5, @initdev={0xac, 0x1e, 0x0, 0x0}}, @IPVS_DAEMON_ATTR_MCAST_TTL={0x5, 0x8, 0x81}, @IPVS_DAEMON_ATTR_MCAST_IFN={0x14, 0x2, 'veth1_to_team\x00'}]}]}, 0xe4}, 0x1, 0x0, 0x0, 0x800}, 0x0) r1 = openat$null(0xffffffffffffff9c, 0x0, 0x0, 0x0) mmap$perf(&(0x7f0000ffe000/0x2000)=nil, 0x2000, 0x0, 0x10, r1, 0x0) ioctl$sock_bt_cmtp_CMTPGETCONNLIST(r1, 0x800443d2, &(0x7f00000000c0)={0x5, &(0x7f0000000040)=[{@fixed}, {@none}, {@fixed}, {@none}, {}]}) 12:26:22 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r1) sendmsg$NBD_CMD_DISCONNECT(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f00000004c0)=ANY=[@ANYBLOB='l\x00\x00\x00', @ANYBLOB="01002dbd7000fddbdf2502"], 0x6c}, 0x1, 0x0, 0x0, 0x80000}, 0x80) 12:26:22 executing program 4: sendmsg$TIPC_CMD_SET_NETID(0xffffffffffffffff, 0x0, 0x0) r0 = syz_clone(0x0, &(0x7f0000000040)="1a171245849453205cf092f9edbfe0620468e66d257e40c579b6e8725640fbc1a8373f161d95576188208359881a9b105c8ddaacf08443a63d24d285b39924e3a25798a1bacddb6e9f33d86412063db6c3fea9a89edec258ae8383ed3639fdb2", 0x60, &(0x7f00000000c0), &(0x7f0000000100), &(0x7f0000000140)="4815ba9089ee86199f4486e7f561ee854dd860fd69af0448d94e8d28e1997e190a1477113ac90d5dac2dc577deb6add5cffd64dc1da896ba03f8b4d56763494d9b0e542955175aa2d6f7dcdd816c0c230c5b8a6933086ad23e9007897a7b41b523a94e557d1cd76f8d74e37514af943a5a6fd39e16d8da37068639c2eb6902bfda8106e8a6e539a766b39ca85355b6bdb74725d3858b06f82ecc50ecd759bf861d1bf8d63fd3c1a8e3c2b77e3141c087ed7f5cec347bdd71d5cc52569a") syz_open_procfs$namespace(r0, &(0x7f0000000200)='ns/time\x00') 12:26:22 executing program 2: socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) syz_open_dev$ndb(&(0x7f0000000080), 0x0, 0x0) ioctl$NBD_SET_SOCK(0xffffffffffffffff, 0xab00, r0) 12:26:22 executing program 0: r0 = syz_clone(0x0, 0x0, 0x0, &(0x7f00000000c0), &(0x7f0000000100), &(0x7f0000000140)="4815ba9089ee86199f4486e7f561ee854dd860fd69af0448d94e8d28e1997e190a1477113ac90d5dac2dc577deb6add5cffd64dc1da896ba03f8b4d56763494d9b0e542955175aa2d6f7dcdd816c0c230c5b8a6933086ad23e9007897a7b41b523a94e557d1cd76f8d74e37514af943a5a6fd39e16d8da37068639c2eb6902bfda8106e8a6e539a766b39ca85355b6bdb74725d3858b06f82ecc50ecd759bf861d1bf8d63fd3c1a8e3c2b77e3141c087ed7f5cec347bdd71d5cc52569a") syz_open_procfs$namespace(r0, &(0x7f0000000200)='ns/time\x00') 12:26:22 executing program 3: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, 0xffffffffffffffff) sendmsg$IPVS_CMD_DEL_SERVICE(0xffffffffffffffff, &(0x7f0000000280)={&(0x7f0000000100)={0x10, 0x0, 0x0, 0x23100}, 0xc, &(0x7f0000000240)={&(0x7f0000000140)={0xe4, 0x0, 0x8, 0x70bd2d, 0x25dfdbfe, {}, [@IPVS_CMD_ATTR_SERVICE={0x1c, 0x1, 0x0, 0x1, [@IPVS_SVC_ATTR_PROTOCOL={0x6, 0x2, 0x2e}, @IPVS_SVC_ATTR_TIMEOUT={0x8, 0x8, 0x1f}, @IPVS_SVC_ATTR_AF={0x6, 0x1, 0x2}]}, @IPVS_CMD_ATTR_SERVICE={0x60, 0x1, 0x0, 0x1, [@IPVS_SVC_ATTR_AF={0x6, 0x1, 0x2}, @IPVS_SVC_ATTR_AF={0x6, 0x1, 0x2}, @IPVS_SVC_ATTR_TIMEOUT={0x8, 0x8, 0x10000}, @IPVS_SVC_ATTR_TIMEOUT={0x8, 0x8, 0x7}, @IPVS_SVC_ATTR_PE_NAME={0x8}, @IPVS_SVC_ATTR_PROTOCOL={0x6, 0x2, 0x2b}, @IPVS_SVC_ATTR_NETMASK={0x8, 0x9, 0x49}, @IPVS_SVC_ATTR_PORT={0x6, 0x4, 0x4e22}, @IPVS_SVC_ATTR_FWMARK={0x8, 0x5, 0x1}, @IPVS_SVC_ATTR_ADDR={0x14, 0x3, @ipv4=@loopback}]}, @IPVS_CMD_ATTR_TIMEOUT_UDP={0x8, 0x6, 0x200}, @IPVS_CMD_ATTR_TIMEOUT_TCP_FIN={0x8, 0x5, 0x94}, @IPVS_CMD_ATTR_SERVICE={0xc, 0x1, 0x0, 0x1, [@IPVS_SVC_ATTR_TIMEOUT={0x8, 0x8, 0x8}]}, @IPVS_CMD_ATTR_DAEMON={0x38, 0x3, 0x0, 0x1, [@IPVS_DAEMON_ATTR_MCAST_TTL={0x5, 0x8, 0x8}, @IPVS_DAEMON_ATTR_SYNC_MAXLEN={0x6, 0x4, 0x4}, @IPVS_DAEMON_ATTR_MCAST_GROUP={0x8, 0x5, @initdev={0xac, 0x1e, 0x0, 0x0}}, @IPVS_DAEMON_ATTR_MCAST_TTL={0x5, 0x8, 0x81}, @IPVS_DAEMON_ATTR_MCAST_IFN={0x14, 0x2, 'veth1_to_team\x00'}]}]}, 0xe4}, 0x1, 0x0, 0x0, 0x800}, 0x0) r1 = openat$null(0xffffffffffffff9c, 0x0, 0x0, 0x0) mmap$perf(&(0x7f0000ffe000/0x2000)=nil, 0x2000, 0x0, 0x10, r1, 0x0) ioctl$sock_bt_cmtp_CMTPGETCONNLIST(r1, 0x800443d2, &(0x7f00000000c0)={0x5, &(0x7f0000000040)=[{@fixed}, {@none}, {@fixed}, {@none}, {}]}) syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) (async) ioctl$NBD_SET_SOCK(r0, 0xab00, 0xffffffffffffffff) (async) sendmsg$IPVS_CMD_DEL_SERVICE(0xffffffffffffffff, &(0x7f0000000280)={&(0x7f0000000100)={0x10, 0x0, 0x0, 0x23100}, 0xc, &(0x7f0000000240)={&(0x7f0000000140)={0xe4, 0x0, 0x8, 0x70bd2d, 0x25dfdbfe, {}, [@IPVS_CMD_ATTR_SERVICE={0x1c, 0x1, 0x0, 0x1, [@IPVS_SVC_ATTR_PROTOCOL={0x6, 0x2, 0x2e}, @IPVS_SVC_ATTR_TIMEOUT={0x8, 0x8, 0x1f}, @IPVS_SVC_ATTR_AF={0x6, 0x1, 0x2}]}, @IPVS_CMD_ATTR_SERVICE={0x60, 0x1, 0x0, 0x1, [@IPVS_SVC_ATTR_AF={0x6, 0x1, 0x2}, @IPVS_SVC_ATTR_AF={0x6, 0x1, 0x2}, @IPVS_SVC_ATTR_TIMEOUT={0x8, 0x8, 0x10000}, @IPVS_SVC_ATTR_TIMEOUT={0x8, 0x8, 0x7}, @IPVS_SVC_ATTR_PE_NAME={0x8}, @IPVS_SVC_ATTR_PROTOCOL={0x6, 0x2, 0x2b}, @IPVS_SVC_ATTR_NETMASK={0x8, 0x9, 0x49}, @IPVS_SVC_ATTR_PORT={0x6, 0x4, 0x4e22}, @IPVS_SVC_ATTR_FWMARK={0x8, 0x5, 0x1}, @IPVS_SVC_ATTR_ADDR={0x14, 0x3, @ipv4=@loopback}]}, @IPVS_CMD_ATTR_TIMEOUT_UDP={0x8, 0x6, 0x200}, @IPVS_CMD_ATTR_TIMEOUT_TCP_FIN={0x8, 0x5, 0x94}, @IPVS_CMD_ATTR_SERVICE={0xc, 0x1, 0x0, 0x1, [@IPVS_SVC_ATTR_TIMEOUT={0x8, 0x8, 0x8}]}, @IPVS_CMD_ATTR_DAEMON={0x38, 0x3, 0x0, 0x1, [@IPVS_DAEMON_ATTR_MCAST_TTL={0x5, 0x8, 0x8}, @IPVS_DAEMON_ATTR_SYNC_MAXLEN={0x6, 0x4, 0x4}, @IPVS_DAEMON_ATTR_MCAST_GROUP={0x8, 0x5, @initdev={0xac, 0x1e, 0x0, 0x0}}, @IPVS_DAEMON_ATTR_MCAST_TTL={0x5, 0x8, 0x81}, @IPVS_DAEMON_ATTR_MCAST_IFN={0x14, 0x2, 'veth1_to_team\x00'}]}]}, 0xe4}, 0x1, 0x0, 0x0, 0x800}, 0x0) (async) openat$null(0xffffffffffffff9c, 0x0, 0x0, 0x0) (async) mmap$perf(&(0x7f0000ffe000/0x2000)=nil, 0x2000, 0x0, 0x10, r1, 0x0) (async) ioctl$sock_bt_cmtp_CMTPGETCONNLIST(r1, 0x800443d2, &(0x7f00000000c0)={0x5, &(0x7f0000000040)=[{@fixed}, {@none}, {@fixed}, {@none}, {}]}) (async) [ 343.182972] nbd: couldn't find device at index -1 12:26:22 executing program 1: ioctl$SNDRV_CTL_IOCTL_TLV_WRITE(0xffffffffffffffff, 0xc008551b, &(0x7f0000000000)={0x6d, 0xc, [0x8, 0xbb8, 0xffffffc1]}) r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r1) sendmsg$NBD_CMD_DISCONNECT(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000080)=ANY=[@ANYBLOB='l\x00\x00\x00', @ANYRES32=r1, @ANYBLOB="01002dbd7000fddbdf25020000000c00030001000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32=r2, @ANYBLOB], 0x6c}, 0x1, 0x0, 0x0, 0x180008c4}, 0x0) 12:26:22 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r1) sendmsg$NBD_CMD_DISCONNECT(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f00000004c0)=ANY=[@ANYBLOB='l\x00\x00\x00', @ANYBLOB="01002dbd7000fddbdf2502"], 0x6c}, 0x1, 0x0, 0x0, 0x80000}, 0x80) 12:26:22 executing program 4: sendmsg$TIPC_CMD_SET_NETID(0xffffffffffffffff, 0x0, 0x0) r0 = syz_clone(0x0, 0x0, 0x0, &(0x7f00000000c0), &(0x7f0000000100), &(0x7f0000000140)="4815ba9089ee86199f4486e7f561ee854dd860fd69af0448d94e8d28e1997e190a1477113ac90d5dac2dc577deb6add5cffd64dc1da896ba03f8b4d56763494d9b0e542955175aa2d6f7dcdd816c0c230c5b8a6933086ad23e9007897a7b41b523a94e557d1cd76f8d74e37514af943a5a6fd39e16d8da37068639c2eb6902bfda8106e8a6e539a766b39ca85355b6bdb74725d3858b06f82ecc50ecd759bf861d1bf8d63fd3c1a8e3c2b77e3141c087ed7f5cec347bdd71d5cc52569a") syz_open_procfs$namespace(r0, &(0x7f0000000200)='ns/time\x00') 12:26:22 executing program 2: socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)) r0 = syz_open_dev$ndb(&(0x7f0000000080), 0x0, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, 0xffffffffffffffff) 12:26:22 executing program 3: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, 0xffffffffffffffff) (async) sendmsg$IPVS_CMD_DEL_SERVICE(0xffffffffffffffff, &(0x7f0000000280)={&(0x7f0000000100)={0x10, 0x0, 0x0, 0x23100}, 0xc, &(0x7f0000000240)={&(0x7f0000000140)={0xe4, 0x0, 0x8, 0x70bd2d, 0x25dfdbfe, {}, [@IPVS_CMD_ATTR_SERVICE={0x1c, 0x1, 0x0, 0x1, [@IPVS_SVC_ATTR_PROTOCOL={0x6, 0x2, 0x2e}, @IPVS_SVC_ATTR_TIMEOUT={0x8, 0x8, 0x1f}, @IPVS_SVC_ATTR_AF={0x6, 0x1, 0x2}]}, @IPVS_CMD_ATTR_SERVICE={0x60, 0x1, 0x0, 0x1, [@IPVS_SVC_ATTR_AF={0x6, 0x1, 0x2}, @IPVS_SVC_ATTR_AF={0x6, 0x1, 0x2}, @IPVS_SVC_ATTR_TIMEOUT={0x8, 0x8, 0x10000}, @IPVS_SVC_ATTR_TIMEOUT={0x8, 0x8, 0x7}, @IPVS_SVC_ATTR_PE_NAME={0x8}, @IPVS_SVC_ATTR_PROTOCOL={0x6, 0x2, 0x2b}, @IPVS_SVC_ATTR_NETMASK={0x8, 0x9, 0x49}, @IPVS_SVC_ATTR_PORT={0x6, 0x4, 0x4e22}, @IPVS_SVC_ATTR_FWMARK={0x8, 0x5, 0x1}, @IPVS_SVC_ATTR_ADDR={0x14, 0x3, @ipv4=@loopback}]}, @IPVS_CMD_ATTR_TIMEOUT_UDP={0x8, 0x6, 0x200}, @IPVS_CMD_ATTR_TIMEOUT_TCP_FIN={0x8, 0x5, 0x94}, @IPVS_CMD_ATTR_SERVICE={0xc, 0x1, 0x0, 0x1, [@IPVS_SVC_ATTR_TIMEOUT={0x8, 0x8, 0x8}]}, @IPVS_CMD_ATTR_DAEMON={0x38, 0x3, 0x0, 0x1, [@IPVS_DAEMON_ATTR_MCAST_TTL={0x5, 0x8, 0x8}, @IPVS_DAEMON_ATTR_SYNC_MAXLEN={0x6, 0x4, 0x4}, @IPVS_DAEMON_ATTR_MCAST_GROUP={0x8, 0x5, @initdev={0xac, 0x1e, 0x0, 0x0}}, @IPVS_DAEMON_ATTR_MCAST_TTL={0x5, 0x8, 0x81}, @IPVS_DAEMON_ATTR_MCAST_IFN={0x14, 0x2, 'veth1_to_team\x00'}]}]}, 0xe4}, 0x1, 0x0, 0x0, 0x800}, 0x0) r1 = openat$null(0xffffffffffffff9c, 0x0, 0x0, 0x0) mmap$perf(&(0x7f0000ffe000/0x2000)=nil, 0x2000, 0x0, 0x10, r1, 0x0) (async) ioctl$sock_bt_cmtp_CMTPGETCONNLIST(r1, 0x800443d2, &(0x7f00000000c0)={0x5, &(0x7f0000000040)=[{@fixed}, {@none}, {@fixed}, {@none}, {}]}) 12:26:23 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r1) sendmsg$NBD_CMD_DISCONNECT(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f00000004c0)=ANY=[@ANYBLOB='l\x00\x00\x00', @ANYBLOB="01002dbd7000fddbdf2502"], 0x6c}, 0x1, 0x0, 0x0, 0x80000}, 0x80) 12:26:23 executing program 0: r0 = syz_clone(0x0, 0x0, 0x0, 0x0, &(0x7f0000000100), &(0x7f0000000140)="4815ba9089ee86199f4486e7f561ee854dd860fd69af0448d94e8d28e1997e190a1477113ac90d5dac2dc577deb6add5cffd64dc1da896ba03f8b4d56763494d9b0e542955175aa2d6f7dcdd816c0c230c5b8a6933086ad23e9007897a7b41b523a94e557d1cd76f8d74e37514af943a5a6fd39e16d8da37068639c2eb6902bfda8106e8a6e539a766b39ca85355b6bdb74725d3858b06f82ecc50ecd759bf861d1bf8d63fd3c1a8e3c2b77e3141c087ed7f5cec347bdd71d5cc52569a") syz_open_procfs$namespace(r0, &(0x7f0000000200)='ns/time\x00') 12:26:23 executing program 1: ioctl$SNDRV_CTL_IOCTL_TLV_WRITE(0xffffffffffffffff, 0xc008551b, &(0x7f0000000000)={0x6d, 0xc, [0x8, 0xbb8, 0xffffffc1]}) r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r1) sendmsg$NBD_CMD_DISCONNECT(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000080)=ANY=[@ANYBLOB='l\x00\x00\x00', @ANYRES32=r1, @ANYBLOB="01002dbd7000fddbdf25020000000c00030001000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32=r2, @ANYBLOB], 0x6c}, 0x1, 0x0, 0x0, 0x180008c4}, 0x0) ioctl$SNDRV_CTL_IOCTL_TLV_WRITE(0xffffffffffffffff, 0xc008551b, &(0x7f0000000000)={0x6d, 0xc, [0x8, 0xbb8, 0xffffffc1]}) (async) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r1) (async) sendmsg$NBD_CMD_DISCONNECT(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000080)=ANY=[@ANYBLOB='l\x00\x00\x00', @ANYRES32=r1, @ANYBLOB="01002dbd7000fddbdf25020000000c00030001000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32=r2, @ANYBLOB], 0x6c}, 0x1, 0x0, 0x0, 0x180008c4}, 0x0) (async) 12:26:23 executing program 4: sendmsg$TIPC_CMD_SET_NETID(0xffffffffffffffff, 0x0, 0x0) r0 = syz_clone(0x0, 0x0, 0x0, 0x0, &(0x7f0000000100), &(0x7f0000000140)="4815ba9089ee86199f4486e7f561ee854dd860fd69af0448d94e8d28e1997e190a1477113ac90d5dac2dc577deb6add5cffd64dc1da896ba03f8b4d56763494d9b0e542955175aa2d6f7dcdd816c0c230c5b8a6933086ad23e9007897a7b41b523a94e557d1cd76f8d74e37514af943a5a6fd39e16d8da37068639c2eb6902bfda8106e8a6e539a766b39ca85355b6bdb74725d3858b06f82ecc50ecd759bf861d1bf8d63fd3c1a8e3c2b77e3141c087ed7f5cec347bdd71d5cc52569a") syz_open_procfs$namespace(r0, &(0x7f0000000200)='ns/time\x00') 12:26:23 executing program 2: socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)) r0 = syz_open_dev$ndb(&(0x7f0000000080), 0x0, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, 0xffffffffffffffff) 12:26:23 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NL802154_CMD_SET_CCA_ED_LEVEL(r0, &(0x7f0000000b40)={&(0x7f0000000a80), 0xc, &(0x7f0000000b00)={&(0x7f0000000ac0)={0x14, 0x0, 0x1}, 0x14}}, 0x0) sendmsg$NL802154_CMD_SET_SEC_PARAMS(r0, &(0x7f0000000100)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x1}, 0x0, &(0x7f00000000c0)={&(0x7f0000000080)={0x1c, 0x0, 0x400, 0x70bd25, 0x25dfdbfe, {}, [@NL802154_ATTR_SEC_OUT_LEVEL={0x8, 0x1f, 0x2}]}, 0x1c}}, 0x800) r1 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) ioctl$NBD_SET_SOCK(r1, 0xab00, 0xffffffffffffffff) 12:26:23 executing program 0: r0 = syz_clone(0x0, 0x0, 0x0, 0x0, 0x0, &(0x7f0000000140)="4815ba9089ee86199f4486e7f561ee854dd860fd69af0448d94e8d28e1997e190a1477113ac90d5dac2dc577deb6add5cffd64dc1da896ba03f8b4d56763494d9b0e542955175aa2d6f7dcdd816c0c230c5b8a6933086ad23e9007897a7b41b523a94e557d1cd76f8d74e37514af943a5a6fd39e16d8da37068639c2eb6902bfda8106e8a6e539a766b39ca85355b6bdb74725d3858b06f82ecc50ecd759bf861d1bf8d63fd3c1a8e3c2b77e3141c087ed7f5cec347bdd71d5cc52569a") syz_open_procfs$namespace(r0, &(0x7f0000000200)='ns/time\x00') 12:26:23 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r1) sendmsg$NBD_CMD_DISCONNECT(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f00000004c0)=ANY=[@ANYBLOB='l\x00\x00\x00', @ANYRES16, @ANYBLOB="01002dbd7000fddbdf2502"], 0x6c}, 0x1, 0x0, 0x0, 0x80000}, 0x80) 12:26:23 executing program 1: ioctl$SNDRV_CTL_IOCTL_TLV_WRITE(0xffffffffffffffff, 0xc008551b, &(0x7f0000000000)={0x6d, 0xc, [0x8, 0xbb8, 0xffffffc1]}) (async) r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r1) sendmsg$NBD_CMD_DISCONNECT(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000080)=ANY=[@ANYBLOB='l\x00\x00\x00', @ANYRES32=r1, @ANYBLOB="01002dbd7000fddbdf25020000000c00030001000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32=r2, @ANYBLOB], 0x6c}, 0x1, 0x0, 0x0, 0x180008c4}, 0x0) 12:26:23 executing program 2: socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)) r0 = syz_open_dev$ndb(&(0x7f0000000080), 0x0, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, 0xffffffffffffffff) 12:26:23 executing program 4: sendmsg$TIPC_CMD_SET_NETID(0xffffffffffffffff, 0x0, 0x0) r0 = syz_clone(0x0, 0x0, 0x0, 0x0, 0x0, &(0x7f0000000140)="4815ba9089ee86199f4486e7f561ee854dd860fd69af0448d94e8d28e1997e190a1477113ac90d5dac2dc577deb6add5cffd64dc1da896ba03f8b4d56763494d9b0e542955175aa2d6f7dcdd816c0c230c5b8a6933086ad23e9007897a7b41b523a94e557d1cd76f8d74e37514af943a5a6fd39e16d8da37068639c2eb6902bfda8106e8a6e539a766b39ca85355b6bdb74725d3858b06f82ecc50ecd759bf861d1bf8d63fd3c1a8e3c2b77e3141c087ed7f5cec347bdd71d5cc52569a") syz_open_procfs$namespace(r0, &(0x7f0000000200)='ns/time\x00') 12:26:23 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NL802154_CMD_SET_CCA_ED_LEVEL(r0, &(0x7f0000000b40)={&(0x7f0000000a80), 0xc, &(0x7f0000000b00)={&(0x7f0000000ac0)={0x14, 0x0, 0x1}, 0x14}}, 0x0) sendmsg$NL802154_CMD_SET_SEC_PARAMS(r0, &(0x7f0000000100)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x1}, 0x0, &(0x7f00000000c0)={&(0x7f0000000080)={0x1c, 0x0, 0x400, 0x70bd25, 0x25dfdbfe, {}, [@NL802154_ATTR_SEC_OUT_LEVEL={0x8, 0x1f, 0x2}]}, 0x1c}}, 0x800) (async) r1 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) ioctl$NBD_SET_SOCK(r1, 0xab00, 0xffffffffffffffff) 12:26:23 executing program 0: r0 = syz_clone(0x0, 0x0, 0x0, 0x0, 0x0, 0x0) syz_open_procfs$namespace(r0, &(0x7f0000000200)='ns/time\x00') 12:26:23 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r1) sendmsg$NBD_CMD_DISCONNECT(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f00000004c0)=ANY=[@ANYBLOB='l\x00\x00\x00', @ANYRES16, @ANYBLOB="01002dbd7000fddbdf2502"], 0x6c}, 0x1, 0x0, 0x0, 0x80000}, 0x80) 12:26:23 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r1) sendmsg$NBD_CMD_DISCONNECT(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f00000004c0)=ANY=[@ANYBLOB="06000000", @ANYRES16=r2, @ANYBLOB="01002dbd7000fddbdf25020000000c00030001000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB], 0x6c}}, 0x0) 12:26:23 executing program 2: r0 = syz_clone(0x0, 0x0, 0x0, 0x0, 0x0, &(0x7f0000000140)="4815ba9089ee86199f4486e7f561ee854dd860fd69af0448d94e8d28e1997e190a1477113ac90d5dac2dc577deb6add5cffd64dc1da896ba03f8b4d56763494d9b0e542955175aa2d6f7dcdd816c0c230c5b8a6933086ad23e9007897a7b41b523a94e557d1cd76f8d74e37514af943a5a6fd39e16d8da37068639c2eb6902bfda8106e8a6e539a766b39ca85355b6bdb74725d3858b06f82ecc50ecd759bf861d1bf8d63fd3c1a8e3c2b77e3141c087ed7f5cec347bdd71d5cc52569a") syz_open_procfs$namespace(r0, &(0x7f0000000200)='ns/time\x00') 12:26:23 executing program 4: sendmsg$TIPC_CMD_SET_NETID(0xffffffffffffffff, 0x0, 0x0) r0 = syz_clone(0x0, 0x0, 0x0, 0x0, 0x0, 0x0) syz_open_procfs$namespace(r0, &(0x7f0000000200)='ns/time\x00') 12:26:23 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NL802154_CMD_SET_CCA_ED_LEVEL(r0, &(0x7f0000000b40)={&(0x7f0000000a80), 0xc, &(0x7f0000000b00)={&(0x7f0000000ac0)={0x14, 0x0, 0x1}, 0x14}}, 0x0) sendmsg$NL802154_CMD_SET_SEC_PARAMS(r0, &(0x7f0000000100)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x1}, 0x0, &(0x7f00000000c0)={&(0x7f0000000080)={0x1c, 0x0, 0x400, 0x70bd25, 0x25dfdbfe, {}, [@NL802154_ATTR_SEC_OUT_LEVEL={0x8, 0x1f, 0x2}]}, 0x1c}}, 0x800) r1 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) ioctl$NBD_SET_SOCK(r1, 0xab00, 0xffffffffffffffff) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) sendmsg$NL802154_CMD_SET_CCA_ED_LEVEL(r0, &(0x7f0000000b40)={&(0x7f0000000a80), 0xc, &(0x7f0000000b00)={&(0x7f0000000ac0)={0x14, 0x0, 0x1}, 0x14}}, 0x0) (async) sendmsg$NL802154_CMD_SET_SEC_PARAMS(r0, &(0x7f0000000100)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x1}, 0x0, &(0x7f00000000c0)={&(0x7f0000000080)={0x1c, 0x0, 0x400, 0x70bd25, 0x25dfdbfe, {}, [@NL802154_ATTR_SEC_OUT_LEVEL={0x8, 0x1f, 0x2}]}, 0x1c}}, 0x800) (async) syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) (async) ioctl$NBD_SET_SOCK(r1, 0xab00, 0xffffffffffffffff) (async) 12:26:23 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r1) sendmsg$NBD_CMD_DISCONNECT(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f00000004c0)=ANY=[@ANYBLOB='l\x00\x00\x00', @ANYRES16, @ANYBLOB="01002dbd7000fddbdf2502"], 0x6c}, 0x1, 0x0, 0x0, 0x80000}, 0x80) 12:26:23 executing program 0: syz_clone(0x0, 0x0, 0x0, 0x0, 0x0, 0x0) syz_open_procfs$namespace(0x0, &(0x7f0000000200)='ns/time\x00') 12:26:23 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r1) sendmsg$NBD_CMD_DISCONNECT(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f00000004c0)=ANY=[@ANYBLOB="06000000", @ANYRES16=r2, @ANYBLOB="01002dbd7000fddbdf25020000000c00030001000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB], 0x6c}}, 0x0) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r1) (async) sendmsg$NBD_CMD_DISCONNECT(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f00000004c0)=ANY=[@ANYBLOB="06000000", @ANYRES16=r2, @ANYBLOB="01002dbd7000fddbdf25020000000c00030001000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB], 0x6c}}, 0x0) (async) 12:26:23 executing program 2: ioctl$SNDRV_CTL_IOCTL_TLV_WRITE(0xffffffffffffffff, 0xc008551b, &(0x7f0000000000)={0x6d, 0xc, [0x8, 0xbb8, 0xffffffc1]}) r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r1) sendmsg$NBD_CMD_DISCONNECT(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000080)=ANY=[@ANYBLOB='l\x00\x00\x00', @ANYRES32=r1, @ANYBLOB="01002dbd7000fddbdf25020000000c00030001000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32=r2, @ANYBLOB], 0x6c}, 0x1, 0x0, 0x0, 0x180008c4}, 0x0) 12:26:23 executing program 4: sendmsg$TIPC_CMD_SET_NETID(0xffffffffffffffff, 0x0, 0x0) syz_clone(0x0, 0x0, 0x0, 0x0, 0x0, 0x0) syz_open_procfs$namespace(0x0, &(0x7f0000000200)='ns/time\x00') 12:26:23 executing program 3: sendmsg$TIPC_CMD_SET_LINK_TOL(0xffffffffffffffff, &(0x7f0000000100)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x200000}, 0xc, &(0x7f00000000c0)={&(0x7f0000000200)={0x30, 0x0, 0x1, 0x70bd26, 0x25dfdbfc, {{}, {}, {0x14, 0x18, {0x40077e00, @bearer=@udp='udp:syz0\x00'}}}, ["", "", "", "", "", "", "", "", "", ""]}, 0x30}, 0x1, 0x0, 0x0, 0x14}, 0x0) r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, 0xffffffffffffffff) r1 = syz_open_dev$dri(&(0x7f0000000180), 0xffe, 0x200402) ioctl$DRM_IOCTL_PRIME_FD_TO_HANDLE(0xffffffffffffffff, 0xc00c642e, &(0x7f00000001c0)={0x0, 0x0, r1}) syz_open_dev$ndb(&(0x7f0000000140), 0x0, 0x101000) 12:26:23 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r1) sendmsg$NBD_CMD_DISCONNECT(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f00000004c0)=ANY=[@ANYRES16=r2, @ANYBLOB="01002dbd7000fddbdf2502"], 0x6c}, 0x1, 0x0, 0x0, 0x80000}, 0x80) 12:26:23 executing program 0: syz_clone(0x0, 0x0, 0x0, 0x0, 0x0, 0x0) syz_open_procfs$namespace(0x0, &(0x7f0000000200)='ns/time\x00') 12:26:23 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r1) sendmsg$NBD_CMD_DISCONNECT(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f00000004c0)=ANY=[@ANYBLOB="06000000", @ANYRES16=r2, @ANYBLOB="01002dbd7000fddbdf25020000000c00030001000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB], 0x6c}}, 0x0) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r1) (async) sendmsg$NBD_CMD_DISCONNECT(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f00000004c0)=ANY=[@ANYBLOB="06000000", @ANYRES16=r2, @ANYBLOB="01002dbd7000fddbdf25020000000c00030001000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB], 0x6c}}, 0x0) (async) 12:26:23 executing program 2: syz_clone(0x0, 0x0, 0x0, 0x0, 0x0, 0x0) syz_open_procfs$namespace(0x0, &(0x7f0000000200)='ns/time\x00') 12:26:23 executing program 4: sendmsg$TIPC_CMD_SET_NETID(0xffffffffffffffff, 0x0, 0x0) syz_clone(0x0, 0x0, 0x0, 0x0, 0x0, 0x0) syz_open_procfs$namespace(0x0, &(0x7f0000000200)='ns/time\x00') 12:26:23 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r1) sendmsg$NBD_CMD_DISCONNECT(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f00000004c0)=ANY=[@ANYRES16=r2, @ANYBLOB="01002dbd7000fddbdf2502"], 0x6c}, 0x1, 0x0, 0x0, 0x80000}, 0x80) 12:26:23 executing program 3: sendmsg$TIPC_CMD_SET_LINK_TOL(0xffffffffffffffff, &(0x7f0000000100)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x200000}, 0xc, &(0x7f00000000c0)={&(0x7f0000000200)={0x30, 0x0, 0x1, 0x70bd26, 0x25dfdbfc, {{}, {}, {0x14, 0x18, {0x40077e00, @bearer=@udp='udp:syz0\x00'}}}, ["", "", "", "", "", "", "", "", "", ""]}, 0x30}, 0x1, 0x0, 0x0, 0x14}, 0x0) (async) r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, 0xffffffffffffffff) r1 = syz_open_dev$dri(&(0x7f0000000180), 0xffe, 0x200402) ioctl$DRM_IOCTL_PRIME_FD_TO_HANDLE(0xffffffffffffffff, 0xc00c642e, &(0x7f00000001c0)={0x0, 0x0, r1}) (async) syz_open_dev$ndb(&(0x7f0000000140), 0x0, 0x101000) 12:26:23 executing program 0: syz_clone(0x0, 0x0, 0x0, 0x0, 0x0, 0x0) syz_open_procfs$namespace(0x0, &(0x7f0000000200)='ns/time\x00') 12:26:23 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r1) sendmsg$NBD_CMD_DISCONNECT(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f00000004c0)=ANY=[@ANYBLOB='l\x00\x00\x00', @ANYRES16=r2, @ANYBLOB="01002dbd7000fddbdf25020000000c00030001000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB], 0x6c}}, 0x0) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NL802154_CMD_SET_CCA_ED_LEVEL(r3, &(0x7f0000000b40)={&(0x7f0000000a80), 0xc, &(0x7f0000000b00)={&(0x7f0000000080)=ANY=[@ANYBLOB="14000000", @ANYRES16=0x0, @ANYBLOB="01000000a3900000000000006dc2ac00000e00009314a8a90d00"], 0x14}}, 0x0) r4 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) ioctl$sock_SIOCGIFINDEX_802154(r4, 0x8933, &(0x7f0000000740)={'wpan0\x00', 0x0}) r6 = syz_genetlink_get_family_id$nl802154(&(0x7f00000013c0), 0xffffffffffffffff) sendmsg$NL802154_CMD_GET_WPAN_PHY(0xffffffffffffffff, &(0x7f0000000cc0)={0x0, 0x0, &(0x7f0000000c80)={&(0x7f0000000c00)={0x30, r6, 0x421, 0x0, 0x0, {}, [@NL802154_ATTR_WPAN_PHY={0x8, 0x1, 0x2}, @NL802154_ATTR_IFINDEX={0x8, 0x3, r5}, @NL802154_ATTR_WPAN_DEV={0xc, 0x6, 0x100000001}]}, 0x30}}, 0x0) sendmsg$NL802154_CMD_GET_SEC_DEVKEY(r3, &(0x7f00000001c0)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x400}, 0xc, &(0x7f0000000180)={&(0x7f0000000200)=ANY=[@ANYBLOB="fedfac9eee85633e0c1769c3924ec291debf32ea05becf27db96ddd63b3d9f43ac596d56bcda8cf09c6c6c59cf37d1e995e417d9b100"/73, @ANYRES16=0x0, @ANYBLOB="00012dbd7000fcdbdf251c0000000c000600030000000000000008000300", @ANYRES32=0x0, @ANYBLOB="0c00060003000000000000000c000600030000000000000008000300", @ANYRES32=0x0, @ANYBLOB="08000300", @ANYRES32=r5, @ANYBLOB="0c0006000300000003000000"], 0x5c}, 0x1, 0x0, 0x0, 0x4010}, 0x1) 12:26:23 executing program 2: sendmsg$TIPC_CMD_SET_LINK_TOL(0xffffffffffffffff, &(0x7f0000000100)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x200000}, 0xc, &(0x7f00000000c0)={&(0x7f0000000200)={0x30, 0x0, 0x1, 0x70bd26, 0x25dfdbfc, {{}, {}, {0x14, 0x18, {0x40077e00, @bearer=@udp='udp:syz0\x00'}}}, ["", "", "", "", "", "", "", "", "", ""]}, 0x30}, 0x1, 0x0, 0x0, 0x14}, 0x0) r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, 0xffffffffffffffff) r1 = syz_open_dev$dri(&(0x7f0000000180), 0xffe, 0x200402) ioctl$DRM_IOCTL_PRIME_FD_TO_HANDLE(0xffffffffffffffff, 0xc00c642e, &(0x7f00000001c0)={0x0, 0x0, r1}) syz_open_dev$ndb(&(0x7f0000000140), 0x0, 0x101000) 12:26:23 executing program 3: sendmsg$TIPC_CMD_SET_LINK_TOL(0xffffffffffffffff, &(0x7f0000000100)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x200000}, 0xc, &(0x7f00000000c0)={&(0x7f0000000200)={0x30, 0x0, 0x1, 0x70bd26, 0x25dfdbfc, {{}, {}, {0x14, 0x18, {0x40077e00, @bearer=@udp='udp:syz0\x00'}}}, ["", "", "", "", "", "", "", "", "", ""]}, 0x30}, 0x1, 0x0, 0x0, 0x14}, 0x0) (async, rerun: 64) r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) (rerun: 64) ioctl$NBD_SET_SOCK(r0, 0xab00, 0xffffffffffffffff) (async, rerun: 32) r1 = syz_open_dev$dri(&(0x7f0000000180), 0xffe, 0x200402) (rerun: 32) ioctl$DRM_IOCTL_PRIME_FD_TO_HANDLE(0xffffffffffffffff, 0xc00c642e, &(0x7f00000001c0)={0x0, 0x0, r1}) (async) syz_open_dev$ndb(&(0x7f0000000140), 0x0, 0x101000) 12:26:23 executing program 4: sendmsg$TIPC_CMD_SET_NETID(0xffffffffffffffff, 0x0, 0x0) syz_clone(0x0, 0x0, 0x0, 0x0, 0x0, 0x0) syz_open_procfs$namespace(0x0, &(0x7f0000000200)='ns/time\x00') 12:26:23 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r1) sendmsg$NBD_CMD_DISCONNECT(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f00000004c0)=ANY=[@ANYRES16=r2, @ANYBLOB="01002dbd7000fddbdf2502"], 0x6c}, 0x1, 0x0, 0x0, 0x80000}, 0x80) 12:26:23 executing program 0: r0 = syz_clone(0x0, 0x0, 0x0, 0x0, 0x0, 0x0) syz_open_procfs$namespace(r0, 0x0) 12:26:23 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async, rerun: 32) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (rerun: 32) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r1) sendmsg$NBD_CMD_DISCONNECT(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f00000004c0)=ANY=[@ANYBLOB='l\x00\x00\x00', @ANYRES16=r2, @ANYBLOB="01002dbd7000fddbdf25020000000c00030001000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB], 0x6c}}, 0x0) (async) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NL802154_CMD_SET_CCA_ED_LEVEL(r3, &(0x7f0000000b40)={&(0x7f0000000a80), 0xc, &(0x7f0000000b00)={&(0x7f0000000080)=ANY=[@ANYBLOB="14000000", @ANYRES16=0x0, @ANYBLOB="01000000a3900000000000006dc2ac00000e00009314a8a90d00"], 0x14}}, 0x0) (async) r4 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) ioctl$sock_SIOCGIFINDEX_802154(r4, 0x8933, &(0x7f0000000740)={'wpan0\x00', 0x0}) r6 = syz_genetlink_get_family_id$nl802154(&(0x7f00000013c0), 0xffffffffffffffff) sendmsg$NL802154_CMD_GET_WPAN_PHY(0xffffffffffffffff, &(0x7f0000000cc0)={0x0, 0x0, &(0x7f0000000c80)={&(0x7f0000000c00)={0x30, r6, 0x421, 0x0, 0x0, {}, [@NL802154_ATTR_WPAN_PHY={0x8, 0x1, 0x2}, @NL802154_ATTR_IFINDEX={0x8, 0x3, r5}, @NL802154_ATTR_WPAN_DEV={0xc, 0x6, 0x100000001}]}, 0x30}}, 0x0) sendmsg$NL802154_CMD_GET_SEC_DEVKEY(r3, &(0x7f00000001c0)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x400}, 0xc, &(0x7f0000000180)={&(0x7f0000000200)=ANY=[@ANYBLOB="fedfac9eee85633e0c1769c3924ec291debf32ea05becf27db96ddd63b3d9f43ac596d56bcda8cf09c6c6c59cf37d1e995e417d9b100"/73, @ANYRES16=0x0, @ANYBLOB="00012dbd7000fcdbdf251c0000000c000600030000000000000008000300", @ANYRES32=0x0, @ANYBLOB="0c00060003000000000000000c000600030000000000000008000300", @ANYRES32=0x0, @ANYBLOB="08000300", @ANYRES32=r5, @ANYBLOB="0c0006000300000003000000"], 0x5c}, 0x1, 0x0, 0x0, 0x4010}, 0x1) [ 344.254360] nla_parse: 18 callbacks suppressed [ 344.254366] netlink: 68 bytes leftover after parsing attributes in process `syz-executor.1'. [ 344.278848] nbd: couldn't find device at index -1 12:26:23 executing program 2: sendmsg$TIPC_CMD_SET_LINK_TOL(0xffffffffffffffff, &(0x7f0000000100)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x200000}, 0xc, &(0x7f00000000c0)={&(0x7f0000000200)={0x30, 0x0, 0x1, 0x70bd26, 0x25dfdbfc, {{}, {}, {0x14, 0x18, {0x40077e00, @bearer=@udp='udp:syz0\x00'}}}, ["", "", "", "", "", "", "", "", "", ""]}, 0x30}, 0x1, 0x0, 0x0, 0x14}, 0x0) r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, 0xffffffffffffffff) r1 = syz_open_dev$dri(&(0x7f0000000180), 0xffe, 0x200402) ioctl$DRM_IOCTL_PRIME_FD_TO_HANDLE(0xffffffffffffffff, 0xc00c642e, &(0x7f00000001c0)={0x0, 0x0, r1}) syz_open_dev$ndb(&(0x7f0000000140), 0x0, 0x101000) 12:26:23 executing program 4: sendmsg$TIPC_CMD_SET_NETID(0xffffffffffffffff, 0x0, 0x0) r0 = syz_clone(0x0, 0x0, 0x0, 0x0, 0x0, 0x0) syz_open_procfs$namespace(r0, 0x0) 12:26:23 executing program 3: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, 0xffffffffffffffff) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), 0xffffffffffffffff) r3 = openat$null(0xffffffffffffff9c, 0x0, 0x0, 0x0) mmap$perf(&(0x7f0000ffe000/0x2000)=nil, 0x2000, 0x0, 0x10, r3, 0x0) r4 = openat$vcsa(0xffffffffffffff9c, &(0x7f00000000c0), 0x642, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000100)={0xffffffffffffffff}) r6 = openat$null(0xffffffffffffff9c, 0x0, 0x0, 0x0) r7 = openat$null(0xffffffffffffff9c, 0x0, 0x0, 0x0) mmap$perf(&(0x7f0000ffe000/0x2000)=nil, 0x2000, 0x0, 0x10, r7, 0x0) mmap$perf(&(0x7f0000ffd000/0x3000)=nil, 0x3000, 0x2, 0x50, r7, 0x7fff) r8 = openat$null(0xffffffffffffff9c, 0x0, 0x0, 0x0) mmap$perf(&(0x7f0000ffe000/0x2000)=nil, 0x2000, 0x0, 0x10, r8, 0x0) perf_event_open$cgroup(&(0x7f00000002c0)={0x2, 0x80, 0x0, 0x7f, 0x80, 0x9, 0x0, 0x8, 0x8, 0x6, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x1, 0x0, 0x1, 0x0, 0x0, 0x1, 0x0, 0x1, 0x0, 0x1, 0x0, 0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x1, 0x0, 0x8000, 0x1, @perf_bp={&(0x7f0000000280)}, 0x0, 0x7, 0x100000, 0x8, 0x6b4000000000, 0x29e, 0x7a7, 0x0, 0x7, 0x0, 0x1}, r6, 0xffffffffffffffff, r8, 0x0) ioctl$sock_bt_cmtp_CMTPCONNADD(r6, 0x400443c8, &(0x7f0000000240)={r3, 0x7}) sendmsg$NBD_CMD_RECONFIGURE(r1, &(0x7f0000000200)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x80000000}, 0xc, &(0x7f00000001c0)={&(0x7f0000000140)={0x6c, r2, 0x200, 0x70bd28, 0x25dfdc03, {}, [@NBD_ATTR_TIMEOUT={0xc, 0x4, 0xaede}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0xffffffffffffffc1}, @NBD_ATTR_SOCKETS={0x34, 0x7, 0x0, 0x1, [{0x8}, {0x8, 0x1, r3}, {0x8}, {0x8, 0x1, r4}, {0x8, 0x1, r5}, {0x8}]}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0xbd0e41ad15dc1321}]}, 0x6c}, 0x1, 0x0, 0x0, 0x40}, 0x4) 12:26:23 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r1) sendmsg$NBD_CMD_DISCONNECT(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f00000004c0)=ANY=[@ANYBLOB, @ANYRES16=r2, @ANYBLOB="01002dbd7000fddbdf2502"], 0x6c}, 0x1, 0x0, 0x0, 0x80000}, 0x80) 12:26:24 executing program 2: sendmsg$TIPC_CMD_SET_LINK_TOL(0xffffffffffffffff, &(0x7f0000000100)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x200000}, 0xc, &(0x7f00000000c0)={&(0x7f0000000200)={0x30, 0x0, 0x1, 0x70bd26, 0x25dfdbfc, {{}, {}, {0x14, 0x18, {0x40077e00, @bearer=@udp='udp:syz0\x00'}}}, ["", "", "", "", "", "", "", "", "", ""]}, 0x30}, 0x1, 0x0, 0x0, 0x14}, 0x0) r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, 0xffffffffffffffff) r1 = syz_open_dev$dri(&(0x7f0000000180), 0xffe, 0x200402) ioctl$DRM_IOCTL_PRIME_FD_TO_HANDLE(0xffffffffffffffff, 0xc00c642e, &(0x7f00000001c0)={0x0, 0x0, r1}) syz_open_dev$ndb(&(0x7f0000000140), 0x0, 0x101000) 12:26:24 executing program 0: sendmsg$TIPC_CMD_SET_NETID(0xffffffffffffffff, 0x0, 0x0) syz_clone(0x0, 0x0, 0x0, 0x0, 0x0, 0x0) syz_open_procfs$namespace(0x0, &(0x7f0000000200)='ns/time\x00') 12:26:24 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r1) sendmsg$NBD_CMD_DISCONNECT(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f00000004c0)=ANY=[@ANYBLOB='l\x00\x00\x00', @ANYRES16=r2, @ANYBLOB="01002dbd7000fddbdf25020000000c00030001000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB], 0x6c}}, 0x0) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NL802154_CMD_SET_CCA_ED_LEVEL(r3, &(0x7f0000000b40)={&(0x7f0000000a80), 0xc, &(0x7f0000000b00)={&(0x7f0000000080)=ANY=[@ANYBLOB="14000000", @ANYRES16=0x0, @ANYBLOB="01000000a3900000000000006dc2ac00000e00009314a8a90d00"], 0x14}}, 0x0) r4 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) ioctl$sock_SIOCGIFINDEX_802154(r4, 0x8933, &(0x7f0000000740)={'wpan0\x00', 0x0}) r6 = syz_genetlink_get_family_id$nl802154(&(0x7f00000013c0), 0xffffffffffffffff) sendmsg$NL802154_CMD_GET_WPAN_PHY(0xffffffffffffffff, &(0x7f0000000cc0)={0x0, 0x0, &(0x7f0000000c80)={&(0x7f0000000c00)={0x30, r6, 0x421, 0x0, 0x0, {}, [@NL802154_ATTR_WPAN_PHY={0x8, 0x1, 0x2}, @NL802154_ATTR_IFINDEX={0x8, 0x3, r5}, @NL802154_ATTR_WPAN_DEV={0xc, 0x6, 0x100000001}]}, 0x30}}, 0x0) sendmsg$NL802154_CMD_GET_SEC_DEVKEY(r3, &(0x7f00000001c0)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x400}, 0xc, &(0x7f0000000180)={&(0x7f0000000200)=ANY=[@ANYBLOB="fedfac9eee85633e0c1769c3924ec291debf32ea05becf27db96ddd63b3d9f43ac596d56bcda8cf09c6c6c59cf37d1e995e417d9b100"/73, @ANYRES16=0x0, @ANYBLOB="00012dbd7000fcdbdf251c0000000c000600030000000000000008000300", @ANYRES32=0x0, @ANYBLOB="0c00060003000000000000000c000600030000000000000008000300", @ANYRES32=0x0, @ANYBLOB="08000300", @ANYRES32=r5, @ANYBLOB="0c0006000300000003000000"], 0x5c}, 0x1, 0x0, 0x0, 0x4010}, 0x1) [ 344.427552] netlink: 68 bytes leftover after parsing attributes in process `syz-executor.1'. 12:26:24 executing program 3: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, 0xffffffffffffffff) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), 0xffffffffffffffff) r3 = openat$null(0xffffffffffffff9c, 0x0, 0x0, 0x0) mmap$perf(&(0x7f0000ffe000/0x2000)=nil, 0x2000, 0x0, 0x10, r3, 0x0) r4 = openat$vcsa(0xffffffffffffff9c, &(0x7f00000000c0), 0x642, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000100)={0xffffffffffffffff}) r6 = openat$null(0xffffffffffffff9c, 0x0, 0x0, 0x0) r7 = openat$null(0xffffffffffffff9c, 0x0, 0x0, 0x0) mmap$perf(&(0x7f0000ffe000/0x2000)=nil, 0x2000, 0x0, 0x10, r7, 0x0) mmap$perf(&(0x7f0000ffd000/0x3000)=nil, 0x3000, 0x2, 0x50, r7, 0x7fff) r8 = openat$null(0xffffffffffffff9c, 0x0, 0x0, 0x0) mmap$perf(&(0x7f0000ffe000/0x2000)=nil, 0x2000, 0x0, 0x10, r8, 0x0) perf_event_open$cgroup(&(0x7f00000002c0)={0x2, 0x80, 0x0, 0x7f, 0x80, 0x9, 0x0, 0x8, 0x8, 0x6, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x1, 0x0, 0x1, 0x0, 0x0, 0x1, 0x0, 0x1, 0x0, 0x1, 0x0, 0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x1, 0x0, 0x8000, 0x1, @perf_bp={&(0x7f0000000280)}, 0x0, 0x7, 0x100000, 0x8, 0x6b4000000000, 0x29e, 0x7a7, 0x0, 0x7, 0x0, 0x1}, r6, 0xffffffffffffffff, r8, 0x0) ioctl$sock_bt_cmtp_CMTPCONNADD(r6, 0x400443c8, &(0x7f0000000240)={r3, 0x7}) sendmsg$NBD_CMD_RECONFIGURE(r1, &(0x7f0000000200)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x80000000}, 0xc, &(0x7f00000001c0)={&(0x7f0000000140)={0x6c, r2, 0x200, 0x70bd28, 0x25dfdc03, {}, [@NBD_ATTR_TIMEOUT={0xc, 0x4, 0xaede}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0xffffffffffffffc1}, @NBD_ATTR_SOCKETS={0x34, 0x7, 0x0, 0x1, [{0x8}, {0x8, 0x1, r3}, {0x8}, {0x8, 0x1, r4}, {0x8, 0x1, r5}, {0x8}]}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0xbd0e41ad15dc1321}]}, 0x6c}, 0x1, 0x0, 0x0, 0x40}, 0x4) syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) (async) ioctl$NBD_SET_SOCK(r0, 0xab00, 0xffffffffffffffff) (async) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) syz_genetlink_get_family_id$nbd(&(0x7f0000000080), 0xffffffffffffffff) (async) openat$null(0xffffffffffffff9c, 0x0, 0x0, 0x0) (async) mmap$perf(&(0x7f0000ffe000/0x2000)=nil, 0x2000, 0x0, 0x10, r3, 0x0) (async) openat$vcsa(0xffffffffffffff9c, &(0x7f00000000c0), 0x642, 0x0) (async) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000100)) (async) openat$null(0xffffffffffffff9c, 0x0, 0x0, 0x0) (async) openat$null(0xffffffffffffff9c, 0x0, 0x0, 0x0) (async) mmap$perf(&(0x7f0000ffe000/0x2000)=nil, 0x2000, 0x0, 0x10, r7, 0x0) (async) mmap$perf(&(0x7f0000ffd000/0x3000)=nil, 0x3000, 0x2, 0x50, r7, 0x7fff) (async) openat$null(0xffffffffffffff9c, 0x0, 0x0, 0x0) (async) mmap$perf(&(0x7f0000ffe000/0x2000)=nil, 0x2000, 0x0, 0x10, r8, 0x0) (async) perf_event_open$cgroup(&(0x7f00000002c0)={0x2, 0x80, 0x0, 0x7f, 0x80, 0x9, 0x0, 0x8, 0x8, 0x6, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x1, 0x0, 0x1, 0x0, 0x0, 0x1, 0x0, 0x1, 0x0, 0x1, 0x0, 0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x1, 0x0, 0x8000, 0x1, @perf_bp={&(0x7f0000000280)}, 0x0, 0x7, 0x100000, 0x8, 0x6b4000000000, 0x29e, 0x7a7, 0x0, 0x7, 0x0, 0x1}, r6, 0xffffffffffffffff, r8, 0x0) (async) ioctl$sock_bt_cmtp_CMTPCONNADD(r6, 0x400443c8, &(0x7f0000000240)={r3, 0x7}) (async) sendmsg$NBD_CMD_RECONFIGURE(r1, &(0x7f0000000200)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x80000000}, 0xc, &(0x7f00000001c0)={&(0x7f0000000140)={0x6c, r2, 0x200, 0x70bd28, 0x25dfdc03, {}, [@NBD_ATTR_TIMEOUT={0xc, 0x4, 0xaede}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0xffffffffffffffc1}, @NBD_ATTR_SOCKETS={0x34, 0x7, 0x0, 0x1, [{0x8}, {0x8, 0x1, r3}, {0x8}, {0x8, 0x1, r4}, {0x8, 0x1, r5}, {0x8}]}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0xbd0e41ad15dc1321}]}, 0x6c}, 0x1, 0x0, 0x0, 0x40}, 0x4) (async) [ 344.467848] nbd: couldn't find device at index -1 12:26:24 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r1) sendmsg$NBD_CMD_DISCONNECT(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f00000004c0)=ANY=[@ANYBLOB, @ANYRES16=r2, @ANYBLOB="01002dbd7000fddbdf2502"], 0x6c}, 0x1, 0x0, 0x0, 0x80000}, 0x80) 12:26:24 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r1) sendmsg$NBD_CMD_DISCONNECT(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f00000004c0)=ANY=[@ANYBLOB='l\x00\x00\x00', @ANYRES16=r2, @ANYBLOB="01002dbd7000fddbdf25020000000c00030001000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB], 0x6c}}, 0x0) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NL802154_CMD_SET_CCA_ED_LEVEL(r3, &(0x7f0000000b40)={&(0x7f0000000a80), 0xc, &(0x7f0000000b00)={&(0x7f0000000080)=ANY=[@ANYBLOB="14000000", @ANYRES16=0x0, @ANYBLOB="01000000a3900000000000006dc2ac00000e00009314a8a90d00"], 0x14}}, 0x0) r4 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) ioctl$sock_SIOCGIFINDEX_802154(r4, 0x8933, &(0x7f0000000740)={'wpan0\x00', 0x0}) r6 = syz_genetlink_get_family_id$nl802154(&(0x7f00000013c0), 0xffffffffffffffff) sendmsg$NL802154_CMD_GET_WPAN_PHY(0xffffffffffffffff, &(0x7f0000000cc0)={0x0, 0x0, &(0x7f0000000c80)={&(0x7f0000000c00)={0x30, r6, 0x421, 0x0, 0x0, {}, [@NL802154_ATTR_WPAN_PHY={0x8, 0x1, 0x2}, @NL802154_ATTR_IFINDEX={0x8, 0x3, r5}, @NL802154_ATTR_WPAN_DEV={0xc, 0x6, 0x100000001}]}, 0x30}}, 0x0) sendmsg$NL802154_CMD_GET_SEC_DEVKEY(r3, &(0x7f00000001c0)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x400}, 0xc, &(0x7f0000000180)={&(0x7f0000000200)=ANY=[@ANYBLOB="fedfac9eee85633e0c1769c3924ec291debf32ea05becf27db96ddd63b3d9f43ac596d56bcda8cf09c6c6c59cf37d1e995e417d9b100"/73, @ANYRES16=0x0, @ANYBLOB="00012dbd7000fcdbdf251c0000000c000600030000000000000008000300", @ANYRES32=0x0, @ANYBLOB="0c00060003000000000000000c000600030000000000000008000300", @ANYRES32=0x0, @ANYBLOB="08000300", @ANYRES32=r5, @ANYBLOB="0c0006000300000003000000"], 0x5c}, 0x1, 0x0, 0x0, 0x4010}, 0x1) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r1) (async) sendmsg$NBD_CMD_DISCONNECT(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f00000004c0)=ANY=[@ANYBLOB='l\x00\x00\x00', @ANYRES16=r2, @ANYBLOB="01002dbd7000fddbdf25020000000c00030001000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB], 0x6c}}, 0x0) (async) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) sendmsg$NL802154_CMD_SET_CCA_ED_LEVEL(r3, &(0x7f0000000b40)={&(0x7f0000000a80), 0xc, &(0x7f0000000b00)={&(0x7f0000000080)=ANY=[@ANYBLOB="14000000", @ANYRES16=0x0, @ANYBLOB="01000000a3900000000000006dc2ac00000e00009314a8a90d00"], 0x14}}, 0x0) (async) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) ioctl$sock_SIOCGIFINDEX_802154(r4, 0x8933, &(0x7f0000000740)={'wpan0\x00'}) (async) syz_genetlink_get_family_id$nl802154(&(0x7f00000013c0), 0xffffffffffffffff) (async) sendmsg$NL802154_CMD_GET_WPAN_PHY(0xffffffffffffffff, &(0x7f0000000cc0)={0x0, 0x0, &(0x7f0000000c80)={&(0x7f0000000c00)={0x30, r6, 0x421, 0x0, 0x0, {}, [@NL802154_ATTR_WPAN_PHY={0x8, 0x1, 0x2}, @NL802154_ATTR_IFINDEX={0x8, 0x3, r5}, @NL802154_ATTR_WPAN_DEV={0xc, 0x6, 0x100000001}]}, 0x30}}, 0x0) (async) sendmsg$NL802154_CMD_GET_SEC_DEVKEY(r3, &(0x7f00000001c0)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x400}, 0xc, &(0x7f0000000180)={&(0x7f0000000200)=ANY=[@ANYBLOB="fedfac9eee85633e0c1769c3924ec291debf32ea05becf27db96ddd63b3d9f43ac596d56bcda8cf09c6c6c59cf37d1e995e417d9b100"/73, @ANYRES16=0x0, @ANYBLOB="00012dbd7000fcdbdf251c0000000c000600030000000000000008000300", @ANYRES32=0x0, @ANYBLOB="0c00060003000000000000000c000600030000000000000008000300", @ANYRES32=0x0, @ANYBLOB="08000300", @ANYRES32=r5, @ANYBLOB="0c0006000300000003000000"], 0x5c}, 0x1, 0x0, 0x0, 0x4010}, 0x1) (async) 12:26:24 executing program 2: sendmsg$TIPC_CMD_SET_LINK_TOL(0xffffffffffffffff, &(0x7f0000000100)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x200000}, 0xc, &(0x7f00000000c0)={&(0x7f0000000200)={0x30, 0x0, 0x1, 0x70bd26, 0x25dfdbfc, {{}, {}, {0x14, 0x18, {0x40077e00, @bearer=@udp='udp:syz0\x00'}}}, ["", "", "", "", "", "", "", "", "", ""]}, 0x30}, 0x1, 0x0, 0x0, 0x14}, 0x0) r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, 0xffffffffffffffff) r1 = syz_open_dev$dri(&(0x7f0000000180), 0xffe, 0x200402) ioctl$DRM_IOCTL_PRIME_FD_TO_HANDLE(0xffffffffffffffff, 0xc00c642e, &(0x7f00000001c0)={0x0, 0x0, r1}) 12:26:24 executing program 0: syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) socket$inet6_udp(0xa, 0x2, 0x0) socket$netlink(0x10, 0x3, 0x7) r0 = syz_clone(0x0, &(0x7f0000000040)="1a171245849453205cf092f9edbfe0620468e66d257e40c579b6e8725640fbc1a8373f161d95576188208359881a9b105c8ddaacf08443a63d24d285b39924e3a25798a1bacddb6e9f33d86412063db6c3fea9a89edec258ae8383ed3639fdb2", 0x60, &(0x7f00000000c0), &(0x7f0000000100), &(0x7f0000000140)="4815ba9089ee86199f4486e7f561ee854dd860fd69af0448d94e8d28e1997e190a1477113ac90d5dac2dc577deb6add5cffd64dc1da896ba03f8b4d56763494d9b0e542955175aa2d6f7dcdd816c0c230c5b8a6933086ad23e9007897a7b41b523a94e557d1cd76f8d74e37514af943a5a6fd39e16d8da37068639c2eb6902bfda8106e8a6e539a766b39ca85355b6bdb74725d3858b06f82ecc50ecd759bf861d1bf8d63fd3c1a8e3c2b77e3141c087ed7f5cec347bdd71d5cc52569a") syz_open_procfs$namespace(r0, &(0x7f0000000200)='ns/time\x00') 12:26:24 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r1) sendmsg$NBD_CMD_DISCONNECT(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f00000004c0)=ANY=[@ANYBLOB='l\x00\x00\x00', @ANYRES16=r2, @ANYBLOB="01002dbd7000fddbdf2502"], 0x6c}, 0x1, 0x0, 0x0, 0x80000}, 0x80) [ 344.547625] netlink: 68 bytes leftover after parsing attributes in process `syz-executor.4'. [ 344.578668] nbd: couldn't find device at index -1 12:26:24 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r1) sendmsg$NBD_CMD_DISCONNECT(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f00000004c0)=ANY=[@ANYBLOB, @ANYRES16=r2, @ANYBLOB="01002dbd7000fddbdf2502"], 0x6c}, 0x1, 0x0, 0x0, 0x80000}, 0x80) 12:26:24 executing program 2: sendmsg$TIPC_CMD_SET_LINK_TOL(0xffffffffffffffff, &(0x7f0000000100)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x200000}, 0xc, &(0x7f00000000c0)={&(0x7f0000000200)={0x30, 0x0, 0x1, 0x70bd26, 0x25dfdbfc, {{}, {}, {0x14, 0x18, {0x40077e00, @bearer=@udp='udp:syz0\x00'}}}, ["", "", "", "", "", "", "", "", "", ""]}, 0x30}, 0x1, 0x0, 0x0, 0x14}, 0x0) r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, 0xffffffffffffffff) syz_open_dev$dri(&(0x7f0000000180), 0xffe, 0x200402) 12:26:24 executing program 3: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, 0xffffffffffffffff) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), 0xffffffffffffffff) r3 = openat$null(0xffffffffffffff9c, 0x0, 0x0, 0x0) mmap$perf(&(0x7f0000ffe000/0x2000)=nil, 0x2000, 0x0, 0x10, r3, 0x0) r4 = openat$vcsa(0xffffffffffffff9c, &(0x7f00000000c0), 0x642, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000100)={0xffffffffffffffff}) r6 = openat$null(0xffffffffffffff9c, 0x0, 0x0, 0x0) r7 = openat$null(0xffffffffffffff9c, 0x0, 0x0, 0x0) mmap$perf(&(0x7f0000ffe000/0x2000)=nil, 0x2000, 0x0, 0x10, r7, 0x0) mmap$perf(&(0x7f0000ffd000/0x3000)=nil, 0x3000, 0x2, 0x50, r7, 0x7fff) r8 = openat$null(0xffffffffffffff9c, 0x0, 0x0, 0x0) mmap$perf(&(0x7f0000ffe000/0x2000)=nil, 0x2000, 0x0, 0x10, r8, 0x0) perf_event_open$cgroup(&(0x7f00000002c0)={0x2, 0x80, 0x0, 0x7f, 0x80, 0x9, 0x0, 0x8, 0x8, 0x6, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x1, 0x0, 0x1, 0x0, 0x0, 0x1, 0x0, 0x1, 0x0, 0x1, 0x0, 0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x1, 0x0, 0x8000, 0x1, @perf_bp={&(0x7f0000000280)}, 0x0, 0x7, 0x100000, 0x8, 0x6b4000000000, 0x29e, 0x7a7, 0x0, 0x7, 0x0, 0x1}, r6, 0xffffffffffffffff, r8, 0x0) ioctl$sock_bt_cmtp_CMTPCONNADD(r6, 0x400443c8, &(0x7f0000000240)={r3, 0x7}) sendmsg$NBD_CMD_RECONFIGURE(r1, &(0x7f0000000200)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x80000000}, 0xc, &(0x7f00000001c0)={&(0x7f0000000140)={0x6c, r2, 0x200, 0x70bd28, 0x25dfdc03, {}, [@NBD_ATTR_TIMEOUT={0xc, 0x4, 0xaede}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0xffffffffffffffc1}, @NBD_ATTR_SOCKETS={0x34, 0x7, 0x0, 0x1, [{0x8}, {0x8, 0x1, r3}, {0x8}, {0x8, 0x1, r4}, {0x8, 0x1, r5}, {0x8}]}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0xbd0e41ad15dc1321}]}, 0x6c}, 0x1, 0x0, 0x0, 0x40}, 0x4) syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) (async) ioctl$NBD_SET_SOCK(r0, 0xab00, 0xffffffffffffffff) (async) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) syz_genetlink_get_family_id$nbd(&(0x7f0000000080), 0xffffffffffffffff) (async) openat$null(0xffffffffffffff9c, 0x0, 0x0, 0x0) (async) mmap$perf(&(0x7f0000ffe000/0x2000)=nil, 0x2000, 0x0, 0x10, r3, 0x0) (async) openat$vcsa(0xffffffffffffff9c, &(0x7f00000000c0), 0x642, 0x0) (async) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000100)) (async) openat$null(0xffffffffffffff9c, 0x0, 0x0, 0x0) (async) openat$null(0xffffffffffffff9c, 0x0, 0x0, 0x0) (async) mmap$perf(&(0x7f0000ffe000/0x2000)=nil, 0x2000, 0x0, 0x10, r7, 0x0) (async) mmap$perf(&(0x7f0000ffd000/0x3000)=nil, 0x3000, 0x2, 0x50, r7, 0x7fff) (async) openat$null(0xffffffffffffff9c, 0x0, 0x0, 0x0) (async) mmap$perf(&(0x7f0000ffe000/0x2000)=nil, 0x2000, 0x0, 0x10, r8, 0x0) (async) perf_event_open$cgroup(&(0x7f00000002c0)={0x2, 0x80, 0x0, 0x7f, 0x80, 0x9, 0x0, 0x8, 0x8, 0x6, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x1, 0x0, 0x1, 0x0, 0x0, 0x1, 0x0, 0x1, 0x0, 0x1, 0x0, 0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x1, 0x0, 0x8000, 0x1, @perf_bp={&(0x7f0000000280)}, 0x0, 0x7, 0x100000, 0x8, 0x6b4000000000, 0x29e, 0x7a7, 0x0, 0x7, 0x0, 0x1}, r6, 0xffffffffffffffff, r8, 0x0) (async) ioctl$sock_bt_cmtp_CMTPCONNADD(r6, 0x400443c8, &(0x7f0000000240)={r3, 0x7}) (async) sendmsg$NBD_CMD_RECONFIGURE(r1, &(0x7f0000000200)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x80000000}, 0xc, &(0x7f00000001c0)={&(0x7f0000000140)={0x6c, r2, 0x200, 0x70bd28, 0x25dfdc03, {}, [@NBD_ATTR_TIMEOUT={0xc, 0x4, 0xaede}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0xffffffffffffffc1}, @NBD_ATTR_SOCKETS={0x34, 0x7, 0x0, 0x1, [{0x8}, {0x8, 0x1, r3}, {0x8}, {0x8, 0x1, r4}, {0x8, 0x1, r5}, {0x8}]}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0xbd0e41ad15dc1321}]}, 0x6c}, 0x1, 0x0, 0x0, 0x40}, 0x4) (async) [ 344.622593] netlink: 68 bytes leftover after parsing attributes in process `syz-executor.1'. 12:26:24 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r1) sendmsg$NBD_CMD_DISCONNECT(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f00000004c0)=ANY=[@ANYBLOB='l\x00\x00\x00', @ANYRES16=r2, @ANYBLOB="01002dbd7000fddbdf"], 0x6c}, 0x1, 0x0, 0x0, 0x80000}, 0x80) [ 344.667754] nbd: couldn't find device at index -1 12:26:24 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r1) sendmsg$NBD_CMD_DISCONNECT(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f00000004c0)=ANY=[@ANYBLOB='l\x00', @ANYRES16=r2, @ANYBLOB="01002dbd7000fddbdf2502"], 0x6c}, 0x1, 0x0, 0x0, 0x80000}, 0x80) 12:26:24 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r1) sendmsg$NBD_CMD_DISCONNECT(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000000)=ANY=[@ANYBLOB='l\x00\x00\x00', @ANYRES16=r2, @ANYBLOB="01002dbd70e2c3ce2d8bc7e256eefb7200fddbdf2502a45e6d8d0f9983feeb", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB], 0x6c}}, 0xd1) 12:26:24 executing program 2: sendmsg$TIPC_CMD_SET_LINK_TOL(0xffffffffffffffff, &(0x7f0000000100)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x200000}, 0xc, &(0x7f00000000c0)={&(0x7f0000000200)={0x30, 0x0, 0x1, 0x70bd26, 0x25dfdbfc, {{}, {}, {0x14, 0x18, {0x40077e00, @bearer=@udp='udp:syz0\x00'}}}, ["", "", "", "", "", "", "", "", "", ""]}, 0x30}, 0x1, 0x0, 0x0, 0x14}, 0x0) syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) syz_open_dev$dri(&(0x7f0000000180), 0xffe, 0x200402) [ 344.724993] netlink: 88 bytes leftover after parsing attributes in process `syz-executor.4'. [ 344.762514] nbd: must specify an index to disconnect 12:26:24 executing program 0: syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) socket$inet6_udp(0xa, 0x2, 0x0) socket$netlink(0x10, 0x3, 0x7) r0 = syz_clone(0x0, &(0x7f0000000040)="1a171245849453205cf092f9edbfe0620468e66d257e40c579b6e8725640fbc1a8373f161d95576188208359881a9b105c8ddaacf08443a63d24d285b39924e3a25798a1bacddb6e9f33d86412063db6c3fea9a89edec258ae8383ed3639fdb2", 0x60, &(0x7f00000000c0), &(0x7f0000000100), &(0x7f0000000140)="4815ba9089ee86199f4486e7f561ee854dd860fd69af0448d94e8d28e1997e190a1477113ac90d5dac2dc577deb6add5cffd64dc1da896ba03f8b4d56763494d9b0e542955175aa2d6f7dcdd816c0c230c5b8a6933086ad23e9007897a7b41b523a94e557d1cd76f8d74e37514af943a5a6fd39e16d8da37068639c2eb6902bfda8106e8a6e539a766b39ca85355b6bdb74725d3858b06f82ecc50ecd759bf861d1bf8d63fd3c1a8e3c2b77e3141c087ed7f5cec347bdd71d5cc52569a") syz_open_procfs$namespace(r0, &(0x7f0000000200)='ns/time\x00') 12:26:24 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r1) sendmsg$NBD_CMD_DISCONNECT(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f00000004c0)=ANY=[@ANYBLOB='l\x00\x00\x00', @ANYRES16=r2, @ANYBLOB="01002dbd7000fddbdf25020000"], 0x6c}, 0x1, 0x0, 0x0, 0x80000}, 0x80) 12:26:24 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r1) sendmsg$NBD_CMD_DISCONNECT(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f00000004c0)=ANY=[@ANYBLOB='l\x00', @ANYRES16=r2, @ANYBLOB="01002dbd7000fddbdf2502"], 0x6c}, 0x1, 0x0, 0x0, 0x80000}, 0x80) 12:26:24 executing program 3: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, 0xffffffffffffffff) r1 = socket$netlink(0x10, 0x3, 0x7) sendmsg$TIPC_CMD_SET_NETID(r1, &(0x7f0000000d80)={0x0, 0x0, &(0x7f0000000d40)={&(0x7f0000000d00)={0x24, 0x0, 0x0, 0x0, 0x0, {{}, {}, {0x8}}}, 0x24}}, 0x0) sendmsg$nl_route_sched(r1, &(0x7f0000000140)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x2}, 0xc, &(0x7f0000000100)={&(0x7f0000000080)=@gettfilter={0x4c, 0x2e, 0x400, 0x70bd29, 0x25dfdbfe, {0x0, 0x0, 0x0, 0x0, {0x8, 0xfff3}, {0xa, 0xa}, {0xc, 0xc}}, [{0x8, 0xb, 0x3}, {0x8, 0xb, 0x5}, {0x8, 0xb, 0x80000000}, {0x8, 0xb, 0x9}, {0x8, 0xb, 0x1}]}, 0x4c}, 0x1, 0x0, 0x0, 0x20000040}, 0x490) r2 = socket$netlink(0x10, 0x3, 0x7) syz_genetlink_get_family_id$ipvs(&(0x7f00000003c0), r2) sendmsg$TIPC_CMD_SET_NETID(r2, &(0x7f0000000d80)={0x0, 0x0, &(0x7f0000000d40)={&(0x7f0000000d00)={0x24, 0x0, 0x0, 0x0, 0x0, {{}, {}, {0x8}}}, 0x24}}, 0x0) sendmsg$TIPC_CMD_SHOW_PORTS(r2, &(0x7f0000000380)={&(0x7f00000002c0)={0x10, 0x0, 0x0, 0x4000}, 0xc, &(0x7f0000000340)={&(0x7f0000000300)={0x1c, 0x0, 0x1, 0x70bd2a, 0x25dfdbff, {}, [""]}, 0x1c}, 0x1, 0x0, 0x0, 0x4}, 0x80) sendmsg$TIPC_CMD_SET_LINK_PRI(r1, &(0x7f0000000280)={&(0x7f0000000180)={0x10, 0x0, 0x0, 0x200000}, 0xc, &(0x7f0000000240)={&(0x7f00000001c0)={0x68, 0x0, 0x800, 0x70bd28, 0x25dfdbfc, {{}, {}, {0x4c, 0x18, {0x3, @link='syz0\x00'}}}, ["", "", ""]}, 0x68}, 0x1, 0x0, 0x0, 0x30004800}, 0x48845) 12:26:24 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r1) sendmsg$NBD_CMD_DISCONNECT(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000000)=ANY=[@ANYBLOB='l\x00\x00\x00', @ANYRES16=r2, @ANYBLOB="01002dbd70e2c3ce2d8bc7e256eefb7200fddbdf2502a45e6d8d0f9983feeb", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB], 0x6c}}, 0xd1) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r1) (async) sendmsg$NBD_CMD_DISCONNECT(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000000)=ANY=[@ANYBLOB='l\x00\x00\x00', @ANYRES16=r2, @ANYBLOB="01002dbd70e2c3ce2d8bc7e256eefb7200fddbdf2502a45e6d8d0f9983feeb", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB], 0x6c}}, 0xd1) (async) 12:26:24 executing program 2: sendmsg$TIPC_CMD_SET_LINK_TOL(0xffffffffffffffff, &(0x7f0000000100)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x200000}, 0xc, &(0x7f00000000c0)={&(0x7f0000000200)={0x30, 0x0, 0x1, 0x70bd26, 0x25dfdbfc, {{}, {}, {0x14, 0x18, {0x40077e00, @bearer=@udp='udp:syz0\x00'}}}, ["", "", "", "", "", "", "", "", "", ""]}, 0x30}, 0x1, 0x0, 0x0, 0x14}, 0x0) syz_open_dev$dri(&(0x7f0000000180), 0xffe, 0x200402) 12:26:24 executing program 0: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x8001) ioctl$NBD_SET_SOCK(r0, 0xab00, 0xffffffffffffffff) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NL802154_CMD_SET_CCA_ED_LEVEL(r1, &(0x7f0000000b40)={&(0x7f0000000a80), 0xc, &(0x7f0000000b00)={&(0x7f0000000ac0)={0x14, 0x0, 0x1}, 0x14}}, 0x0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r3 = syz_genetlink_get_family_id$nl802154(&(0x7f00000013c0), 0xffffffffffffffff) r4 = syz_genetlink_get_family_id$ipvs(&(0x7f0000000300), 0xffffffffffffffff) sendmsg$IPVS_CMD_ZERO(0xffffffffffffffff, &(0x7f0000000440)={&(0x7f00000002c0)={0x10, 0x0, 0x0, 0x4}, 0xc, &(0x7f0000000400)={&(0x7f0000000340)={0xb4, r4, 0x300, 0x70bd2a, 0x25dfdbfb, {}, [@IPVS_CMD_ATTR_TIMEOUT_UDP={0x8, 0x6, 0x4}, @IPVS_CMD_ATTR_DAEMON={0x3c, 0x3, 0x0, 0x1, [@IPVS_DAEMON_ATTR_MCAST_PORT={0x6, 0x7, 0x4e21}, @IPVS_DAEMON_ATTR_SYNC_ID={0x8, 0x3, 0x2}, @IPVS_DAEMON_ATTR_MCAST_PORT={0x6, 0x7, 0x4e24}, @IPVS_DAEMON_ATTR_SYNC_MAXLEN={0x6}, @IPVS_DAEMON_ATTR_MCAST_PORT={0x6, 0x7, 0x4e21}, @IPVS_DAEMON_ATTR_MCAST_TTL={0x5, 0x8, 0x8}, @IPVS_DAEMON_ATTR_MCAST_TTL={0x5, 0x8, 0x3}]}, @IPVS_CMD_ATTR_TIMEOUT_TCP_FIN={0x8, 0x5, 0x1}, @IPVS_CMD_ATTR_DAEMON={0x28, 0x3, 0x0, 0x1, [@IPVS_DAEMON_ATTR_SYNC_MAXLEN={0x6, 0x4, 0x2e8a}, @IPVS_DAEMON_ATTR_SYNC_MAXLEN={0x6, 0x4, 0x3}, @IPVS_DAEMON_ATTR_MCAST_GROUP6={0x14, 0x6, @private1}]}, @IPVS_CMD_ATTR_DEST={0x2c, 0x2, 0x0, 0x1, [@IPVS_DEST_ATTR_U_THRESH={0x8, 0x5, 0xffffff01}, @IPVS_DEST_ATTR_PORT={0x6, 0x2, 0x4e23}, @IPVS_DEST_ATTR_PORT={0x6, 0x2, 0x4e20}, @IPVS_DEST_ATTR_PORT={0x6, 0x2, 0x4e21}, @IPVS_DEST_ATTR_ADDR_FAMILY={0x6}]}]}, 0xb4}}, 0x4000) sendmsg$NL802154_CMD_SET_CCA_MODE(r2, &(0x7f0000001500)={&(0x7f0000001380), 0xc, &(0x7f00000014c0)={&(0x7f0000001440)={0x24, r3, 0x1, 0x0, 0x0, {}, [@NL802154_ATTR_CCA_MODE={0x8}, @NL802154_ATTR_IFINDEX={0x8}]}, 0x24}}, 0x0) r5 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) ioctl$sock_SIOCGIFINDEX_802154(r5, 0x8933, &(0x7f0000000740)={'wpan0\x00', 0x0}) r7 = syz_genetlink_get_family_id$nl802154(&(0x7f00000013c0), 0xffffffffffffffff) sendmsg$NL802154_CMD_GET_WPAN_PHY(0xffffffffffffffff, &(0x7f0000000cc0)={0x0, 0x0, &(0x7f0000000c80)={&(0x7f0000000c00)={0x30, r7, 0x421, 0x0, 0x0, {}, [@NL802154_ATTR_WPAN_PHY={0x8, 0x1, 0x2}, @NL802154_ATTR_IFINDEX={0x8}, @NL802154_ATTR_WPAN_DEV={0xc, 0x6, 0x100000001}]}, 0x30}}, 0x0) r8 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) ioctl$sock_SIOCGIFINDEX_802154(r8, 0x8933, &(0x7f0000000740)={'wpan0\x00', 0x0}) r10 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r11 = syz_genetlink_get_family_id$nl802154(&(0x7f00000013c0), 0xffffffffffffffff) sendmsg$NL802154_CMD_GET_WPAN_PHY(r10, &(0x7f0000000cc0)={0x0, 0x0, &(0x7f0000000c80)={&(0x7f0000000c00)={0x30, r11, 0x421, 0x0, 0x0, {}, [@NL802154_ATTR_WPAN_PHY={0x8, 0x1, 0x2}, @NL802154_ATTR_IFINDEX={0x8, 0x3, r9}, @NL802154_ATTR_WPAN_DEV={0xc, 0x6, 0x100000001}]}, 0x30}}, 0x0) r12 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) ioctl$sock_SIOCGIFINDEX_802154(r12, 0x8933, &(0x7f0000000740)={'wpan0\x00', 0x0}) r14 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r15 = syz_genetlink_get_family_id$nl802154(&(0x7f00000013c0), 0xffffffffffffffff) sendmsg$NL802154_CMD_GET_WPAN_PHY(r14, &(0x7f0000000cc0)={0x0, 0x0, &(0x7f0000000c80)={&(0x7f0000000c00)={0x30, r15, 0x421, 0x0, 0x0, {}, [@NL802154_ATTR_WPAN_PHY={0x8, 0x1, 0x2}, @NL802154_ATTR_IFINDEX={0x8, 0x3, r13}, @NL802154_ATTR_WPAN_DEV={0xc, 0x6, 0x100000001}]}, 0x30}}, 0x0) sendmsg$NL802154_CMD_GET_WPAN_PHY(0xffffffffffffffff, &(0x7f00000005c0)={&(0x7f0000000480)={0x10, 0x0, 0x0, 0x400000}, 0xc, &(0x7f0000000540)={&(0x7f0000000600)=ANY=[@ANYBLOB='d\x00\x00\x00', @ANYRES16=r3, @ANYBLOB="000025bd7000fddbdf25010000000800010000000000080001000000000008000300", @ANYRES32=0x0, @ANYBLOB="08000100000000000c000600000000000000000008000300", @ANYRES32=0x0, @ANYBLOB="0000060003000000000000000c000600010000000100000008000300", @ANYRES32=r13, @ANYBLOB="05000000"], 0x64}, 0x1, 0x0, 0x0, 0x58}, 0x20004000) r16 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r17 = syz_genetlink_get_family_id$nl802154(&(0x7f00000013c0), 0xffffffffffffffff) sendmsg$NL802154_CMD_GET_WPAN_PHY(r16, &(0x7f0000000cc0)={0x0, 0x0, &(0x7f0000000c80)={&(0x7f0000000c00)={0x30, r17, 0x421, 0x0, 0x0, {}, [@NL802154_ATTR_WPAN_PHY={0x8, 0x1, 0x2}, @NL802154_ATTR_IFINDEX={0x8, 0x3, r6}, @NL802154_ATTR_WPAN_DEV={0xc, 0x6, 0x100000001}]}, 0x30}}, 0x0) ioctl$sock_SIOCGIFINDEX_802154(r1, 0x8933, &(0x7f0000000180)={'wpan4\x00', 0x0}) sendmsg$NL802154_CMD_SET_CHANNEL(r1, &(0x7f0000000280)={&(0x7f0000000140)={0x10, 0x0, 0x0, 0x10000}, 0xc, &(0x7f0000000240)={&(0x7f00000001c0)={0x4c, r3, 0x100, 0x70bd27, 0x25dfdbfe, {}, [@NL802154_ATTR_IFINDEX={0x8, 0x3, r6}, @NL802154_ATTR_WPAN_DEV={0xc, 0x6, 0x100000001}, @NL802154_ATTR_WPAN_PHY={0x8, 0x1, 0x3}, @NL802154_ATTR_IFINDEX={0x8, 0x3, r18}, @NL802154_ATTR_PAGE={0x5, 0x7, 0x2}, @NL802154_ATTR_WPAN_DEV={0xc, 0x6, 0x300000003}]}, 0x4c}, 0x1, 0x0, 0x0, 0x20000000}, 0x8041) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000100)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x1}, 0xc, &(0x7f00000000c0)={&(0x7f0000000080)={0x2c, 0x0, 0x2, 0x70bd2d, 0x25dfdbfe, {}, [@NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x9000000000000000}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0xdf}]}, 0x2c}, 0x1, 0x0, 0x0, 0x1}, 0x80) 12:26:24 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r1) sendmsg$NBD_CMD_DISCONNECT(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f00000004c0)=ANY=[@ANYBLOB='l\x00', @ANYRES16=r2, @ANYBLOB="01002dbd7000fddbdf2502"], 0x6c}, 0x1, 0x0, 0x0, 0x80000}, 0x80) [ 344.907941] netlink: 88 bytes leftover after parsing attributes in process `syz-executor.4'. [ 344.944261] nbd: must specify an index to disconnect 12:26:24 executing program 3: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, 0xffffffffffffffff) (async) r1 = socket$netlink(0x10, 0x3, 0x7) sendmsg$TIPC_CMD_SET_NETID(r1, &(0x7f0000000d80)={0x0, 0x0, &(0x7f0000000d40)={&(0x7f0000000d00)={0x24, 0x0, 0x0, 0x0, 0x0, {{}, {}, {0x8}}}, 0x24}}, 0x0) sendmsg$nl_route_sched(r1, &(0x7f0000000140)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x2}, 0xc, &(0x7f0000000100)={&(0x7f0000000080)=@gettfilter={0x4c, 0x2e, 0x400, 0x70bd29, 0x25dfdbfe, {0x0, 0x0, 0x0, 0x0, {0x8, 0xfff3}, {0xa, 0xa}, {0xc, 0xc}}, [{0x8, 0xb, 0x3}, {0x8, 0xb, 0x5}, {0x8, 0xb, 0x80000000}, {0x8, 0xb, 0x9}, {0x8, 0xb, 0x1}]}, 0x4c}, 0x1, 0x0, 0x0, 0x20000040}, 0x490) r2 = socket$netlink(0x10, 0x3, 0x7) syz_genetlink_get_family_id$ipvs(&(0x7f00000003c0), r2) (async) sendmsg$TIPC_CMD_SET_NETID(r2, &(0x7f0000000d80)={0x0, 0x0, &(0x7f0000000d40)={&(0x7f0000000d00)={0x24, 0x0, 0x0, 0x0, 0x0, {{}, {}, {0x8}}}, 0x24}}, 0x0) (async) sendmsg$TIPC_CMD_SHOW_PORTS(r2, &(0x7f0000000380)={&(0x7f00000002c0)={0x10, 0x0, 0x0, 0x4000}, 0xc, &(0x7f0000000340)={&(0x7f0000000300)={0x1c, 0x0, 0x1, 0x70bd2a, 0x25dfdbff, {}, [""]}, 0x1c}, 0x1, 0x0, 0x0, 0x4}, 0x80) (async) sendmsg$TIPC_CMD_SET_LINK_PRI(r1, &(0x7f0000000280)={&(0x7f0000000180)={0x10, 0x0, 0x0, 0x200000}, 0xc, &(0x7f0000000240)={&(0x7f00000001c0)={0x68, 0x0, 0x800, 0x70bd28, 0x25dfdbfc, {{}, {}, {0x4c, 0x18, {0x3, @link='syz0\x00'}}}, ["", "", ""]}, 0x68}, 0x1, 0x0, 0x0, 0x30004800}, 0x48845) 12:26:24 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r1) sendmsg$NBD_CMD_DISCONNECT(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f00000004c0)=ANY=[@ANYBLOB='l\x00\x00\x00', @ANYRES16=r2], 0x6c}, 0x1, 0x0, 0x0, 0x80000}, 0x80) 12:26:24 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r1) sendmsg$NBD_CMD_DISCONNECT(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000000)=ANY=[@ANYBLOB='l\x00\x00\x00', @ANYRES16=r2, @ANYBLOB="01002dbd70e2c3ce2d8bc7e256eefb7200fddbdf2502a45e6d8d0f9983feeb", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB], 0x6c}}, 0xd1) 12:26:24 executing program 2: syz_open_dev$dri(&(0x7f0000000180), 0xffe, 0x200402) 12:26:24 executing program 4: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) socket$inet6_udp(0xa, 0x2, 0x0) r1 = socket$netlink(0x10, 0x3, 0x7) sendmsg$TIPC_CMD_SET_NETID(r1, &(0x7f0000000d80)={0x0, 0x0, &(0x7f0000000d40)={&(0x7f0000000d00)={0x24, 0x0, 0x0, 0x0, 0x0, {{}, {}, {0x8}}}, 0x24}, 0x1, 0x0, 0x0, 0x1}, 0x0) syz_genetlink_get_family_id$batadv(&(0x7f0000000240), r1) r2 = syz_clone(0x0, &(0x7f0000000040)="1a171245849453205cf092f9edbfe0620468e66d257e40c579b6e8725640fbc1a8373f161d95576188208359881a9b105c8ddaacf08443a63d24d285b39924e3a25798a1bacddb6e9f33d86412063db6c3fea9a89edec258ae8383ed3639fdb2", 0x60, &(0x7f00000000c0), &(0x7f0000000100), &(0x7f0000000140)="4815ba9089ee86199f4486e7f561ee854dd860fd69af0448d94e8d28e1997e190a1477113ac90d5dac2dc577deb6add5cffd64dc1da896ba03f8b4d56763494d9b0e542955175aa2d6f7dcdd816c0c230c5b8a6933086ad23e9007897a7b41b523a94e557d1cd76f8d74e37514af943a5a6fd39e16d8da37068639c2eb6902bfda8106e8a6e539a766b39ca85355b6bdb74725d3858b06f82ecc50ecd759bf861d1bf8d63fd3c1a8e3c2b77e3141c087ed7f5cec347bdd71d5cc52569a") syz_open_procfs$namespace(r2, &(0x7f0000000200)='ns/time\x00') ioctl$NBD_SET_SOCK(r0, 0xab00, 0xffffffffffffffff) 12:26:24 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r1) sendmsg$NBD_CMD_DISCONNECT(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f00000004c0)=ANY=[@ANYBLOB='l\x00\x00', @ANYRES16=r2, @ANYBLOB="01002dbd7000fddbdf2502"], 0x6c}, 0x1, 0x0, 0x0, 0x80000}, 0x80) 12:26:24 executing program 3: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, 0xffffffffffffffff) r1 = socket$netlink(0x10, 0x3, 0x7) sendmsg$TIPC_CMD_SET_NETID(r1, &(0x7f0000000d80)={0x0, 0x0, &(0x7f0000000d40)={&(0x7f0000000d00)={0x24, 0x0, 0x0, 0x0, 0x0, {{}, {}, {0x8}}}, 0x24}}, 0x0) sendmsg$nl_route_sched(r1, &(0x7f0000000140)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x2}, 0xc, &(0x7f0000000100)={&(0x7f0000000080)=@gettfilter={0x4c, 0x2e, 0x400, 0x70bd29, 0x25dfdbfe, {0x0, 0x0, 0x0, 0x0, {0x8, 0xfff3}, {0xa, 0xa}, {0xc, 0xc}}, [{0x8, 0xb, 0x3}, {0x8, 0xb, 0x5}, {0x8, 0xb, 0x80000000}, {0x8, 0xb, 0x9}, {0x8, 0xb, 0x1}]}, 0x4c}, 0x1, 0x0, 0x0, 0x20000040}, 0x490) r2 = socket$netlink(0x10, 0x3, 0x7) syz_genetlink_get_family_id$ipvs(&(0x7f00000003c0), r2) sendmsg$TIPC_CMD_SET_NETID(r2, &(0x7f0000000d80)={0x0, 0x0, &(0x7f0000000d40)={&(0x7f0000000d00)={0x24, 0x0, 0x0, 0x0, 0x0, {{}, {}, {0x8}}}, 0x24}}, 0x0) sendmsg$TIPC_CMD_SHOW_PORTS(r2, &(0x7f0000000380)={&(0x7f00000002c0)={0x10, 0x0, 0x0, 0x4000}, 0xc, &(0x7f0000000340)={&(0x7f0000000300)={0x1c, 0x0, 0x1, 0x70bd2a, 0x25dfdbff, {}, [""]}, 0x1c}, 0x1, 0x0, 0x0, 0x4}, 0x80) sendmsg$TIPC_CMD_SET_LINK_PRI(r1, &(0x7f0000000280)={&(0x7f0000000180)={0x10, 0x0, 0x0, 0x200000}, 0xc, &(0x7f0000000240)={&(0x7f00000001c0)={0x68, 0x0, 0x800, 0x70bd28, 0x25dfdbfc, {{}, {}, {0x4c, 0x18, {0x3, @link='syz0\x00'}}}, ["", "", ""]}, 0x68}, 0x1, 0x0, 0x0, 0x30004800}, 0x48845) syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) (async) ioctl$NBD_SET_SOCK(r0, 0xab00, 0xffffffffffffffff) (async) socket$netlink(0x10, 0x3, 0x7) (async) sendmsg$TIPC_CMD_SET_NETID(r1, &(0x7f0000000d80)={0x0, 0x0, &(0x7f0000000d40)={&(0x7f0000000d00)={0x24, 0x0, 0x0, 0x0, 0x0, {{}, {}, {0x8}}}, 0x24}}, 0x0) (async) sendmsg$nl_route_sched(r1, &(0x7f0000000140)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x2}, 0xc, &(0x7f0000000100)={&(0x7f0000000080)=@gettfilter={0x4c, 0x2e, 0x400, 0x70bd29, 0x25dfdbfe, {0x0, 0x0, 0x0, 0x0, {0x8, 0xfff3}, {0xa, 0xa}, {0xc, 0xc}}, [{0x8, 0xb, 0x3}, {0x8, 0xb, 0x5}, {0x8, 0xb, 0x80000000}, {0x8, 0xb, 0x9}, {0x8, 0xb, 0x1}]}, 0x4c}, 0x1, 0x0, 0x0, 0x20000040}, 0x490) (async) socket$netlink(0x10, 0x3, 0x7) (async) syz_genetlink_get_family_id$ipvs(&(0x7f00000003c0), r2) (async) sendmsg$TIPC_CMD_SET_NETID(r2, &(0x7f0000000d80)={0x0, 0x0, &(0x7f0000000d40)={&(0x7f0000000d00)={0x24, 0x0, 0x0, 0x0, 0x0, {{}, {}, {0x8}}}, 0x24}}, 0x0) (async) sendmsg$TIPC_CMD_SHOW_PORTS(r2, &(0x7f0000000380)={&(0x7f00000002c0)={0x10, 0x0, 0x0, 0x4000}, 0xc, &(0x7f0000000340)={&(0x7f0000000300)={0x1c, 0x0, 0x1, 0x70bd2a, 0x25dfdbff, {}, [""]}, 0x1c}, 0x1, 0x0, 0x0, 0x4}, 0x80) (async) sendmsg$TIPC_CMD_SET_LINK_PRI(r1, &(0x7f0000000280)={&(0x7f0000000180)={0x10, 0x0, 0x0, 0x200000}, 0xc, &(0x7f0000000240)={&(0x7f00000001c0)={0x68, 0x0, 0x800, 0x70bd28, 0x25dfdbfc, {{}, {}, {0x4c, 0x18, {0x3, @link='syz0\x00'}}}, ["", "", ""]}, 0x68}, 0x1, 0x0, 0x0, 0x30004800}, 0x48845) (async) 12:26:24 executing program 2: syz_open_dev$dri(0x0, 0xffe, 0x200402) 12:26:24 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r1) sendmsg$NBD_CMD_DISCONNECT(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000000)=ANY=[@ANYBLOB='d\x00\x00\x00', @ANYRES16=r2, @ANYBLOB="0000000300010001000000000000", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB], 0x6c}}, 0x0) 12:26:24 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r3 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r1) sendmsg$NBD_CMD_DISCONNECT(r2, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000080)={0x14, r3, 0x1}, 0x14}, 0x1, 0x0, 0x0, 0x40000c5}, 0x0) r4 = openat$null(0xffffffffffffff9c, 0x0, 0x0, 0x0) mmap$perf(&(0x7f0000ffe000/0x2000)=nil, 0x2000, 0x0, 0x10, r4, 0x0) sendmsg$NBD_CMD_DISCONNECT(r0, &(0x7f0000000180)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x20000000}, 0xc, &(0x7f00000000c0)={&(0x7f0000000080)={0x20, r3, 0x1, 0x70bd25, 0x25dfdbfb, {}, [@NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8, 0x1, r4}]}]}, 0x20}}, 0x10) r5 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r6 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r5) sendmsg$NBD_CMD_DISCONNECT(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f00000004c0)=ANY=[@ANYBLOB='l\x00\x00\x00', @ANYRES16=r6, @ANYBLOB="01002dbd7000fddbdf25020000000c00030001000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB], 0x6c}}, 0x0) 12:26:24 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r1) sendmsg$NBD_CMD_DISCONNECT(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f00000004c0)=ANY=[@ANYBLOB='l\x00\x00', @ANYRES16=r2, @ANYBLOB="01002dbd7000fddbdf2502"], 0x6c}, 0x1, 0x0, 0x0, 0x80000}, 0x80) 12:26:24 executing program 3: r0 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x400000) r1 = openat$null(0xffffffffffffff9c, 0x0, 0x0, 0x0) mmap$perf(&(0x7f0000ffe000/0x2000)=nil, 0x2000, 0x0, 0x10, r1, 0x0) waitid$P_PIDFD(0x3, r1, &(0x7f0000000080), 0x1000000, &(0x7f0000000100)) ioctl$NBD_SET_SOCK(r0, 0xab00, 0xffffffffffffffff) 12:26:24 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r1) sendmsg$NBD_CMD_DISCONNECT(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000000)=ANY=[@ANYBLOB='d\x00\x00\x00', @ANYRES16=r2, @ANYBLOB="0000000300010001000000000000", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB], 0x6c}}, 0x0) 12:26:24 executing program 2: syz_open_dev$dri(0x0, 0xffe, 0x200402) 12:26:24 executing program 4: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) socket$inet6_udp(0xa, 0x2, 0x0) r1 = socket$netlink(0x10, 0x3, 0x7) sendmsg$TIPC_CMD_SET_NETID(r1, &(0x7f0000000d80)={0x0, 0x0, &(0x7f0000000d40)={&(0x7f0000000d00)={0x24, 0x0, 0x0, 0x0, 0x0, {{}, {}, {0x8}}}, 0x24}, 0x1, 0x0, 0x0, 0x1}, 0x0) syz_genetlink_get_family_id$batadv(&(0x7f0000000240), r1) r2 = syz_clone(0x0, &(0x7f0000000040)="1a171245849453205cf092f9edbfe0620468e66d257e40c579b6e8725640fbc1a8373f161d95576188208359881a9b105c8ddaacf08443a63d24d285b39924e3a25798a1bacddb6e9f33d86412063db6c3fea9a89edec258ae8383ed3639fdb2", 0x60, &(0x7f00000000c0), &(0x7f0000000100), &(0x7f0000000140)="4815ba9089ee86199f4486e7f561ee854dd860fd69af0448d94e8d28e1997e190a1477113ac90d5dac2dc577deb6add5cffd64dc1da896ba03f8b4d56763494d9b0e542955175aa2d6f7dcdd816c0c230c5b8a6933086ad23e9007897a7b41b523a94e557d1cd76f8d74e37514af943a5a6fd39e16d8da37068639c2eb6902bfda8106e8a6e539a766b39ca85355b6bdb74725d3858b06f82ecc50ecd759bf861d1bf8d63fd3c1a8e3c2b77e3141c087ed7f5cec347bdd71d5cc52569a") syz_open_procfs$namespace(r2, &(0x7f0000000200)='ns/time\x00') ioctl$NBD_SET_SOCK(r0, 0xab00, 0xffffffffffffffff) [ 345.327624] nbd: must specify an index to disconnect 12:26:24 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r1) sendmsg$NBD_CMD_DISCONNECT(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f00000004c0)=ANY=[@ANYBLOB='l\x00\x00', @ANYRES16=r2, @ANYBLOB="01002dbd7000fddbdf2502"], 0x6c}, 0x1, 0x0, 0x0, 0x80000}, 0x80) 12:26:24 executing program 3: r0 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x400000) r1 = openat$null(0xffffffffffffff9c, 0x0, 0x0, 0x0) mmap$perf(&(0x7f0000ffe000/0x2000)=nil, 0x2000, 0x0, 0x10, r1, 0x0) waitid$P_PIDFD(0x3, r1, &(0x7f0000000080), 0x1000000, &(0x7f0000000100)) ioctl$NBD_SET_SOCK(r0, 0xab00, 0xffffffffffffffff) syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x400000) (async) openat$null(0xffffffffffffff9c, 0x0, 0x0, 0x0) (async) mmap$perf(&(0x7f0000ffe000/0x2000)=nil, 0x2000, 0x0, 0x10, r1, 0x0) (async) waitid$P_PIDFD(0x3, r1, &(0x7f0000000080), 0x1000000, &(0x7f0000000100)) (async) ioctl$NBD_SET_SOCK(r0, 0xab00, 0xffffffffffffffff) (async) [ 345.361052] nbd: must specify an index to disconnect 12:26:25 executing program 2: syz_open_dev$dri(0x0, 0xffe, 0x200402) 12:26:25 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r1) sendmsg$NBD_CMD_DISCONNECT(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000000)=ANY=[@ANYBLOB='d\x00\x00\x00', @ANYRES16=r2, @ANYBLOB="0000000300010001000000000000", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB], 0x6c}}, 0x0) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r1) (async) sendmsg$NBD_CMD_DISCONNECT(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000000)=ANY=[@ANYBLOB='d\x00\x00\x00', @ANYRES16=r2, @ANYBLOB="0000000300010001000000000000", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB], 0x6c}}, 0x0) (async) [ 345.415764] netlink: 68 bytes leftover after parsing attributes in process `syz-executor.0'. [ 345.465736] nbd: couldn't find device at index -1 12:26:25 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r1) sendmsg$NBD_CMD_DISCONNECT(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f00000004c0)=ANY=[@ANYBLOB='l\x00\x00\x00', @ANYRES16=r2, @ANYBLOB="01002dbd7000fddbdf2502"], 0x6c}}, 0x80) 12:26:25 executing program 4: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) socket$inet6_udp(0xa, 0x2, 0x0) r1 = socket$netlink(0x10, 0x3, 0x7) sendmsg$TIPC_CMD_SET_NETID(r1, &(0x7f0000000d80)={0x0, 0x0, &(0x7f0000000d40)={&(0x7f0000000d00)={0x24, 0x0, 0x0, 0x0, 0x0, {{}, {}, {0x8}}}, 0x24}, 0x1, 0x0, 0x0, 0x1}, 0x0) syz_genetlink_get_family_id$batadv(&(0x7f0000000240), r1) r2 = syz_clone(0x0, &(0x7f0000000040)="1a171245849453205cf092f9edbfe0620468e66d257e40c579b6e8725640fbc1a8373f161d95576188208359881a9b105c8ddaacf08443a63d24d285b39924e3a25798a1bacddb6e9f33d86412063db6c3fea9a89edec258ae8383ed3639fdb2", 0x60, &(0x7f00000000c0), &(0x7f0000000100), &(0x7f0000000140)="4815ba9089ee86199f4486e7f561ee854dd860fd69af0448d94e8d28e1997e190a1477113ac90d5dac2dc577deb6add5cffd64dc1da896ba03f8b4d56763494d9b0e542955175aa2d6f7dcdd816c0c230c5b8a6933086ad23e9007897a7b41b523a94e557d1cd76f8d74e37514af943a5a6fd39e16d8da37068639c2eb6902bfda8106e8a6e539a766b39ca85355b6bdb74725d3858b06f82ecc50ecd759bf861d1bf8d63fd3c1a8e3c2b77e3141c087ed7f5cec347bdd71d5cc52569a") syz_open_procfs$namespace(r2, &(0x7f0000000200)='ns/time\x00') ioctl$NBD_SET_SOCK(r0, 0xab00, 0xffffffffffffffff) 12:26:25 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r3 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r1) sendmsg$NBD_CMD_DISCONNECT(r2, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000080)={0x14, r3, 0x1}, 0x14}, 0x1, 0x0, 0x0, 0x40000c5}, 0x0) r4 = openat$null(0xffffffffffffff9c, 0x0, 0x0, 0x0) mmap$perf(&(0x7f0000ffe000/0x2000)=nil, 0x2000, 0x0, 0x10, r4, 0x0) sendmsg$NBD_CMD_DISCONNECT(r0, &(0x7f0000000180)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x20000000}, 0xc, &(0x7f00000000c0)={&(0x7f0000000080)={0x20, r3, 0x1, 0x70bd25, 0x25dfdbfb, {}, [@NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8, 0x1, r4}]}]}, 0x20}}, 0x10) r5 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r6 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r5) sendmsg$NBD_CMD_DISCONNECT(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f00000004c0)=ANY=[@ANYBLOB='l\x00\x00\x00', @ANYRES16=r6, @ANYBLOB="01002dbd7000fddbdf25020000000c00030001000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB], 0x6c}}, 0x0) 12:26:25 executing program 2: syz_open_dev$dri(&(0x7f0000000180), 0x0, 0x200402) 12:26:25 executing program 3: r0 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x400000) (async) r1 = openat$null(0xffffffffffffff9c, 0x0, 0x0, 0x0) mmap$perf(&(0x7f0000ffe000/0x2000)=nil, 0x2000, 0x0, 0x10, r1, 0x0) waitid$P_PIDFD(0x3, r1, &(0x7f0000000080), 0x1000000, &(0x7f0000000100)) (async) ioctl$NBD_SET_SOCK(r0, 0xab00, 0xffffffffffffffff) 12:26:25 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NL802154_CMD_SET_CCA_ED_LEVEL(r0, &(0x7f0000000b40)={&(0x7f0000000a80), 0xc, &(0x7f0000000b00)={&(0x7f0000000ac0)={0x14, 0x0, 0x1}, 0x14}}, 0x0) r1 = syz_genetlink_get_family_id$nl802154(&(0x7f0000000080), 0xffffffffffffffff) ioctl$sock_SIOCGIFINDEX_802154(0xffffffffffffffff, 0x8933, &(0x7f00000000c0)={'wpan3\x00', 0x0}) ioctl$sock_SIOCGIFINDEX_802154(0xffffffffffffffff, 0x8933, &(0x7f0000000240)={'wpan4\x00', 0x0}) sendmsg$NL802154_CMD_SET_CHANNEL(r0, &(0x7f0000000340)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x2}, 0xc, &(0x7f0000000300)={&(0x7f0000000280)={0x60, r1, 0x800, 0x70bd28, 0x25dfdbfd, {}, [@NL802154_ATTR_PAGE={0x5, 0x7, 0x10}, @NL802154_ATTR_PAGE={0x5, 0x7, 0x15}, @NL802154_ATTR_WPAN_PHY={0x8}, @NL802154_ATTR_IFINDEX={0x8, 0x3, r2}, @NL802154_ATTR_IFINDEX={0x8}, @NL802154_ATTR_WPAN_DEV={0xc, 0x6, 0x200000002}, @NL802154_ATTR_CHANNEL={0x5, 0x8, 0x2}, @NL802154_ATTR_WPAN_PHY={0x8, 0x1, 0x5f8541aa2cb5c823}, @NL802154_ATTR_IFINDEX={0x8, 0x3, r3}]}, 0x60}, 0x1, 0x0, 0x0, 0x40}, 0x2400c014) r4 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r5 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r6 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r5) sendmsg$NBD_CMD_DISCONNECT(r4, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000180)=ANY=[@ANYBLOB='l\x00\x00\x00', @ANYRES16=r6, @ANYBLOB="01002dbd7000fddbdf25020000000c00030001000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="e08f00000000c4e57b2230301c69ad5bb0fcb3c66d324482cfbbd4c0f5efb0aa8211a4a0cae95d112fa405121aa4f5f0596c249b0cb448996a041a11696592c7bf5a092cd75cb40ea82e26612563bc144cdadf621901800000e4ed1684b4dd1b1eb606b882f8c53403f7f0cf0e7d1182663afe532427f82cd8ea34e5ed466085842a92"], 0x6c}}, 0x0) 12:26:25 executing program 2: syz_open_dev$dri(&(0x7f0000000180), 0x0, 0x200402) [ 345.618519] netlink: 88 bytes leftover after parsing attributes in process `syz-executor.5'. 12:26:25 executing program 3: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) r1 = openat$null(0xffffffffffffff9c, 0x0, 0x0, 0x0) mmap$perf(&(0x7f0000ffe000/0x2000)=nil, 0x2000, 0x0, 0x10, r1, 0x0) r2 = openat$null(0xffffffffffffff9c, 0x0, 0x0, 0x0) mmap$perf(&(0x7f0000ffe000/0x2000)=nil, 0x2000, 0x2, 0x50, r2, 0x3) ioctl$NBD_SET_SOCK(r0, 0xab00, r2) [ 345.687220] nbd: must specify an index to disconnect 12:26:25 executing program 4: syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) socket$inet6_udp(0xa, 0x2, 0x0) r0 = socket$netlink(0x10, 0x3, 0x7) sendmsg$TIPC_CMD_SET_NETID(r0, &(0x7f0000000d80)={0x0, 0x0, &(0x7f0000000d40)={&(0x7f0000000d00)={0x24, 0x0, 0x0, 0x0, 0x0, {{}, {}, {0x8}}}, 0x24}, 0x1, 0x0, 0x0, 0x1}, 0x0) syz_genetlink_get_family_id$batadv(&(0x7f0000000240), r0) r1 = syz_clone(0x0, &(0x7f0000000040)="1a171245849453205cf092f9edbfe0620468e66d257e40c579b6e8725640fbc1a8373f161d95576188208359881a9b105c8ddaacf08443a63d24d285b39924e3a25798a1bacddb6e9f33d86412063db6c3fea9a89edec258ae8383ed3639fdb2", 0x60, &(0x7f00000000c0), &(0x7f0000000100), &(0x7f0000000140)="4815ba9089ee86199f4486e7f561ee854dd860fd69af0448d94e8d28e1997e190a1477113ac90d5dac2dc577deb6add5cffd64dc1da896ba03f8b4d56763494d9b0e542955175aa2d6f7dcdd816c0c230c5b8a6933086ad23e9007897a7b41b523a94e557d1cd76f8d74e37514af943a5a6fd39e16d8da37068639c2eb6902bfda8106e8a6e539a766b39ca85355b6bdb74725d3858b06f82ecc50ecd759bf861d1bf8d63fd3c1a8e3c2b77e3141c087ed7f5cec347bdd71d5cc52569a") syz_open_procfs$namespace(r1, &(0x7f0000000200)='ns/time\x00') 12:26:25 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r1) sendmsg$NBD_CMD_DISCONNECT(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f00000004c0)=ANY=[@ANYBLOB='l\x00\x00\x00', @ANYRES16=r2, @ANYBLOB="01002dbd7000fddbdf2502"], 0x6c}}, 0x80) [ 345.736661] netlink: 68 bytes leftover after parsing attributes in process `syz-executor.0'. [ 345.762705] nbd: couldn't find device at index -1 12:26:25 executing program 2: syz_open_dev$dri(&(0x7f0000000180), 0x0, 0x200402) 12:26:25 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r1) sendmsg$NBD_CMD_DISCONNECT(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f00000004c0)=ANY=[@ANYBLOB='l\x00\x00', @ANYRES16=r2, @ANYBLOB="01002dbd7000fddbdf2502"], 0x6c}, 0x1, 0x0, 0x0, 0x80000}, 0x80) [ 345.796473] netlink: 68 bytes leftover after parsing attributes in process `syz-executor.1'. [ 345.836462] nbd: couldn't find device at index -1 12:26:25 executing program 3: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) r1 = openat$null(0xffffffffffffff9c, 0x0, 0x0, 0x0) mmap$perf(&(0x7f0000ffe000/0x2000)=nil, 0x2000, 0x0, 0x10, r1, 0x0) r2 = openat$null(0xffffffffffffff9c, 0x0, 0x0, 0x0) mmap$perf(&(0x7f0000ffe000/0x2000)=nil, 0x2000, 0x2, 0x50, r2, 0x3) ioctl$NBD_SET_SOCK(r0, 0xab00, r2) syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) (async) openat$null(0xffffffffffffff9c, 0x0, 0x0, 0x0) (async) mmap$perf(&(0x7f0000ffe000/0x2000)=nil, 0x2000, 0x0, 0x10, r1, 0x0) (async) openat$null(0xffffffffffffff9c, 0x0, 0x0, 0x0) (async) mmap$perf(&(0x7f0000ffe000/0x2000)=nil, 0x2000, 0x2, 0x50, r2, 0x3) (async) ioctl$NBD_SET_SOCK(r0, 0xab00, r2) (async) 12:26:25 executing program 4: syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) socket$inet6_udp(0xa, 0x2, 0x0) r0 = socket$netlink(0x10, 0x3, 0x7) sendmsg$TIPC_CMD_SET_NETID(r0, &(0x7f0000000d80)={0x0, 0x0, &(0x7f0000000d40)={&(0x7f0000000d00)={0x24, 0x0, 0x0, 0x0, 0x0, {{}, {}, {0x8}}}, 0x24}, 0x1, 0x0, 0x0, 0x1}, 0x0) syz_genetlink_get_family_id$batadv(&(0x7f0000000240), r0) syz_clone(0x0, &(0x7f0000000040)="1a171245849453205cf092f9edbfe0620468e66d257e40c579b6e8725640fbc1a8373f161d95576188208359881a9b105c8ddaacf08443a63d24d285b39924e3a25798a1bacddb6e9f33d86412063db6c3fea9a89edec258ae8383ed3639fdb2", 0x60, &(0x7f00000000c0), &(0x7f0000000100), &(0x7f0000000140)="4815ba9089ee86199f4486e7f561ee854dd860fd69af0448d94e8d28e1997e190a1477113ac90d5dac2dc577deb6add5cffd64dc1da896ba03f8b4d56763494d9b0e542955175aa2d6f7dcdd816c0c230c5b8a6933086ad23e9007897a7b41b523a94e557d1cd76f8d74e37514af943a5a6fd39e16d8da37068639c2eb6902bfda8106e8a6e539a766b39ca85355b6bdb74725d3858b06f82ecc50ecd759bf861d1bf8d63fd3c1a8e3c2b77e3141c087ed7f5cec347bdd71d5cc52569a") 12:26:25 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NL802154_CMD_SET_CCA_ED_LEVEL(r0, &(0x7f0000000b40)={&(0x7f0000000a80), 0xc, &(0x7f0000000b00)={&(0x7f0000000ac0)={0x14, 0x0, 0x1}, 0x14}}, 0x0) r1 = syz_genetlink_get_family_id$nl802154(&(0x7f0000000080), 0xffffffffffffffff) ioctl$sock_SIOCGIFINDEX_802154(0xffffffffffffffff, 0x8933, &(0x7f00000000c0)={'wpan3\x00', 0x0}) ioctl$sock_SIOCGIFINDEX_802154(0xffffffffffffffff, 0x8933, &(0x7f0000000240)={'wpan4\x00', 0x0}) sendmsg$NL802154_CMD_SET_CHANNEL(r0, &(0x7f0000000340)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x2}, 0xc, &(0x7f0000000300)={&(0x7f0000000280)={0x60, r1, 0x800, 0x70bd28, 0x25dfdbfd, {}, [@NL802154_ATTR_PAGE={0x5, 0x7, 0x10}, @NL802154_ATTR_PAGE={0x5, 0x7, 0x15}, @NL802154_ATTR_WPAN_PHY={0x8}, @NL802154_ATTR_IFINDEX={0x8, 0x3, r2}, @NL802154_ATTR_IFINDEX={0x8}, @NL802154_ATTR_WPAN_DEV={0xc, 0x6, 0x200000002}, @NL802154_ATTR_CHANNEL={0x5, 0x8, 0x2}, @NL802154_ATTR_WPAN_PHY={0x8, 0x1, 0x5f8541aa2cb5c823}, @NL802154_ATTR_IFINDEX={0x8, 0x3, r3}]}, 0x60}, 0x1, 0x0, 0x0, 0x40}, 0x2400c014) r4 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r5 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r6 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r5) sendmsg$NBD_CMD_DISCONNECT(r4, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000180)=ANY=[@ANYBLOB='l\x00\x00\x00', @ANYRES16=r6, @ANYBLOB="01002dbd7000fddbdf25020000000c00030001000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="e08f00000000c4e57b2230301c69ad5bb0fcb3c66d324482cfbbd4c0f5efb0aa8211a4a0cae95d112fa405121aa4f5f0596c249b0cb448996a041a11696592c7bf5a092cd75cb40ea82e26612563bc144cdadf621901800000e4ed1684b4dd1b1eb606b882f8c53403f7f0cf0e7d1182663afe532427f82cd8ea34e5ed466085842a92"], 0x6c}}, 0x0) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) sendmsg$NL802154_CMD_SET_CCA_ED_LEVEL(r0, &(0x7f0000000b40)={&(0x7f0000000a80), 0xc, &(0x7f0000000b00)={&(0x7f0000000ac0)={0x14, 0x0, 0x1}, 0x14}}, 0x0) (async) syz_genetlink_get_family_id$nl802154(&(0x7f0000000080), 0xffffffffffffffff) (async) ioctl$sock_SIOCGIFINDEX_802154(0xffffffffffffffff, 0x8933, &(0x7f00000000c0)={'wpan3\x00'}) (async) ioctl$sock_SIOCGIFINDEX_802154(0xffffffffffffffff, 0x8933, &(0x7f0000000240)={'wpan4\x00'}) (async) sendmsg$NL802154_CMD_SET_CHANNEL(r0, &(0x7f0000000340)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x2}, 0xc, &(0x7f0000000300)={&(0x7f0000000280)={0x60, r1, 0x800, 0x70bd28, 0x25dfdbfd, {}, [@NL802154_ATTR_PAGE={0x5, 0x7, 0x10}, @NL802154_ATTR_PAGE={0x5, 0x7, 0x15}, @NL802154_ATTR_WPAN_PHY={0x8}, @NL802154_ATTR_IFINDEX={0x8, 0x3, r2}, @NL802154_ATTR_IFINDEX={0x8}, @NL802154_ATTR_WPAN_DEV={0xc, 0x6, 0x200000002}, @NL802154_ATTR_CHANNEL={0x5, 0x8, 0x2}, @NL802154_ATTR_WPAN_PHY={0x8, 0x1, 0x5f8541aa2cb5c823}, @NL802154_ATTR_IFINDEX={0x8, 0x3, r3}]}, 0x60}, 0x1, 0x0, 0x0, 0x40}, 0x2400c014) (async) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r5) (async) sendmsg$NBD_CMD_DISCONNECT(r4, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000180)=ANY=[@ANYBLOB='l\x00\x00\x00', @ANYRES16=r6, @ANYBLOB="01002dbd7000fddbdf25020000000c00030001000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="e08f00000000c4e57b2230301c69ad5bb0fcb3c66d324482cfbbd4c0f5efb0aa8211a4a0cae95d112fa405121aa4f5f0596c249b0cb448996a041a11696592c7bf5a092cd75cb40ea82e26612563bc144cdadf621901800000e4ed1684b4dd1b1eb606b882f8c53403f7f0cf0e7d1182663afe532427f82cd8ea34e5ed466085842a92"], 0x6c}}, 0x0) (async) [ 345.920198] nbd: must specify an index to disconnect 12:26:25 executing program 2: syz_open_dev$dri(&(0x7f0000000180), 0xffe, 0x0) 12:26:25 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NL802154_CMD_SET_CCA_ED_LEVEL(r0, &(0x7f0000000b40)={&(0x7f0000000a80), 0xc, &(0x7f0000000b00)={&(0x7f0000000ac0)={0x14, 0x0, 0x1}, 0x14}}, 0x0) r1 = syz_genetlink_get_family_id$nl802154(&(0x7f0000000080), 0xffffffffffffffff) ioctl$sock_SIOCGIFINDEX_802154(0xffffffffffffffff, 0x8933, &(0x7f00000000c0)={'wpan3\x00', 0x0}) ioctl$sock_SIOCGIFINDEX_802154(0xffffffffffffffff, 0x8933, &(0x7f0000000240)={'wpan4\x00', 0x0}) sendmsg$NL802154_CMD_SET_CHANNEL(r0, &(0x7f0000000340)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x2}, 0xc, &(0x7f0000000300)={&(0x7f0000000280)={0x60, r1, 0x800, 0x70bd28, 0x25dfdbfd, {}, [@NL802154_ATTR_PAGE={0x5, 0x7, 0x10}, @NL802154_ATTR_PAGE={0x5, 0x7, 0x15}, @NL802154_ATTR_WPAN_PHY={0x8}, @NL802154_ATTR_IFINDEX={0x8, 0x3, r2}, @NL802154_ATTR_IFINDEX={0x8}, @NL802154_ATTR_WPAN_DEV={0xc, 0x6, 0x200000002}, @NL802154_ATTR_CHANNEL={0x5, 0x8, 0x2}, @NL802154_ATTR_WPAN_PHY={0x8, 0x1, 0x5f8541aa2cb5c823}, @NL802154_ATTR_IFINDEX={0x8, 0x3, r3}]}, 0x60}, 0x1, 0x0, 0x0, 0x40}, 0x2400c014) r4 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r5 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r6 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r5) sendmsg$NBD_CMD_DISCONNECT(r4, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000180)=ANY=[@ANYBLOB='l\x00\x00\x00', @ANYRES16=r6, @ANYBLOB="01002dbd7000fddbdf25020000000c00030001000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="e08f00000000c4e57b2230301c69ad5bb0fcb3c66d324482cfbbd4c0f5efb0aa8211a4a0cae95d112fa405121aa4f5f0596c249b0cb448996a041a11696592c7bf5a092cd75cb40ea82e26612563bc144cdadf621901800000e4ed1684b4dd1b1eb606b882f8c53403f7f0cf0e7d1182663afe532427f82cd8ea34e5ed466085842a92"], 0x6c}}, 0x0) 12:26:25 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r1) sendmsg$NBD_CMD_DISCONNECT(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f00000004c0)=ANY=[@ANYBLOB='l\x00\x00\x00', @ANYRES16=r2, @ANYBLOB="01002dbd7000fddbdf2502"], 0x6c}}, 0x80) 12:26:25 executing program 4: syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) socket$inet6_udp(0xa, 0x2, 0x0) r0 = socket$netlink(0x10, 0x3, 0x7) sendmsg$TIPC_CMD_SET_NETID(r0, &(0x7f0000000d80)={0x0, 0x0, &(0x7f0000000d40)={&(0x7f0000000d00)={0x24, 0x0, 0x0, 0x0, 0x0, {{}, {}, {0x8}}}, 0x24}, 0x1, 0x0, 0x0, 0x1}, 0x0) syz_genetlink_get_family_id$batadv(&(0x7f0000000240), r0) [ 346.030412] nbd: couldn't find device at index -1 12:26:25 executing program 3: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) r1 = openat$null(0xffffffffffffff9c, 0x0, 0x0, 0x0) mmap$perf(&(0x7f0000ffe000/0x2000)=nil, 0x2000, 0x0, 0x10, r1, 0x0) r2 = openat$null(0xffffffffffffff9c, 0x0, 0x0, 0x0) mmap$perf(&(0x7f0000ffe000/0x2000)=nil, 0x2000, 0x2, 0x50, r2, 0x3) ioctl$NBD_SET_SOCK(r0, 0xab00, r2) syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) (async) openat$null(0xffffffffffffff9c, 0x0, 0x0, 0x0) (async) mmap$perf(&(0x7f0000ffe000/0x2000)=nil, 0x2000, 0x0, 0x10, r1, 0x0) (async) openat$null(0xffffffffffffff9c, 0x0, 0x0, 0x0) (async) mmap$perf(&(0x7f0000ffe000/0x2000)=nil, 0x2000, 0x2, 0x50, r2, 0x3) (async) ioctl$NBD_SET_SOCK(r0, 0xab00, r2) (async) 12:26:25 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NL802154_CMD_SET_CCA_ED_LEVEL(r0, &(0x7f0000000b40)={&(0x7f0000000a80), 0xc, &(0x7f0000000b00)={&(0x7f0000000ac0)={0x14, 0x0, 0x1}, 0x14}}, 0x0) (async) r1 = syz_genetlink_get_family_id$nl802154(&(0x7f0000000080), 0xffffffffffffffff) ioctl$sock_SIOCGIFINDEX_802154(0xffffffffffffffff, 0x8933, &(0x7f00000000c0)={'wpan3\x00', 0x0}) (async) ioctl$sock_SIOCGIFINDEX_802154(0xffffffffffffffff, 0x8933, &(0x7f0000000240)={'wpan4\x00', 0x0}) sendmsg$NL802154_CMD_SET_CHANNEL(r0, &(0x7f0000000340)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x2}, 0xc, &(0x7f0000000300)={&(0x7f0000000280)={0x60, r1, 0x800, 0x70bd28, 0x25dfdbfd, {}, [@NL802154_ATTR_PAGE={0x5, 0x7, 0x10}, @NL802154_ATTR_PAGE={0x5, 0x7, 0x15}, @NL802154_ATTR_WPAN_PHY={0x8}, @NL802154_ATTR_IFINDEX={0x8, 0x3, r2}, @NL802154_ATTR_IFINDEX={0x8}, @NL802154_ATTR_WPAN_DEV={0xc, 0x6, 0x200000002}, @NL802154_ATTR_CHANNEL={0x5, 0x8, 0x2}, @NL802154_ATTR_WPAN_PHY={0x8, 0x1, 0x5f8541aa2cb5c823}, @NL802154_ATTR_IFINDEX={0x8, 0x3, r3}]}, 0x60}, 0x1, 0x0, 0x0, 0x40}, 0x2400c014) r4 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) r5 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r6 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r5) sendmsg$NBD_CMD_DISCONNECT(r4, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000180)=ANY=[@ANYBLOB='l\x00\x00\x00', @ANYRES16=r6, @ANYBLOB="01002dbd7000fddbdf25020000000c00030001000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="e08f00000000c4e57b2230301c69ad5bb0fcb3c66d324482cfbbd4c0f5efb0aa8211a4a0cae95d112fa405121aa4f5f0596c249b0cb448996a041a11696592c7bf5a092cd75cb40ea82e26612563bc144cdadf621901800000e4ed1684b4dd1b1eb606b882f8c53403f7f0cf0e7d1182663afe532427f82cd8ea34e5ed466085842a92"], 0x6c}}, 0x0) 12:26:25 executing program 2: syz_open_dev$dri(&(0x7f0000000180), 0xffe, 0x0) [ 346.131058] nbd: couldn't find device at index -1 12:26:25 executing program 4: syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) socket$inet6_udp(0xa, 0x2, 0x0) r0 = socket$netlink(0x10, 0x3, 0x7) sendmsg$TIPC_CMD_SET_NETID(r0, &(0x7f0000000d80)={0x0, 0x0, &(0x7f0000000d40)={&(0x7f0000000d00)={0x24, 0x0, 0x0, 0x0, 0x0, {{}, {}, {0x8}}}, 0x24}, 0x1, 0x0, 0x0, 0x1}, 0x0) 12:26:25 executing program 0: syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) socket$inet6_udp(0xa, 0x2, 0x0) r0 = socket$netlink(0x10, 0x3, 0x7) sendmsg$TIPC_CMD_SET_NETID(r0, &(0x7f0000000d80)={0x0, 0x0, &(0x7f0000000d40)={&(0x7f0000000d00)={0x24, 0x0, 0x0, 0x0, 0x0, {{}, {}, {0x8}}}, 0x24}, 0x1, 0x0, 0x0, 0x1}, 0x0) syz_genetlink_get_family_id$batadv(&(0x7f0000000240), r0) r1 = syz_clone(0x0, &(0x7f0000000040)="1a171245849453205cf092f9edbfe0620468e66d257e40c579b6e8725640fbc1a8373f161d95576188208359881a9b105c8ddaacf08443a63d24d285b39924e3a25798a1bacddb6e9f33d86412063db6c3fea9a89edec258ae8383ed3639fdb2", 0x60, &(0x7f00000000c0), &(0x7f0000000100), &(0x7f0000000140)="4815ba9089ee86199f4486e7f561ee854dd860fd69af0448d94e8d28e1997e190a1477113ac90d5dac2dc577deb6add5cffd64dc1da896ba03f8b4d56763494d9b0e542955175aa2d6f7dcdd816c0c230c5b8a6933086ad23e9007897a7b41b523a94e557d1cd76f8d74e37514af943a5a6fd39e16d8da37068639c2eb6902bfda8106e8a6e539a766b39ca85355b6bdb74725d3858b06f82ecc50ecd759bf861d1bf8d63fd3c1a8e3c2b77e3141c087ed7f5cec347bdd71d5cc52569a") syz_open_procfs$namespace(r1, &(0x7f0000000200)='ns/time\x00') 12:26:25 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r1) sendmsg$NBD_CMD_DISCONNECT(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f00000004c0)=ANY=[@ANYBLOB='l\x00\x00\x00', @ANYRES16=r2, @ANYBLOB="01002dbd7000fddbdf2502"], 0x6c}, 0x1, 0x0, 0x0, 0x80000}, 0x0) [ 346.162632] nbd: must specify an index to disconnect 12:26:25 executing program 3: openat$null(0xffffffffffffff9c, &(0x7f0000000040), 0x200, 0x0) r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x10301) ioctl$NBD_SET_SOCK(r0, 0xab00, 0xffffffffffffffff) 12:26:25 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r1) sendmsg$NBD_CMD_DISCONNECT(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f00000004c0)=ANY=[@ANYBLOB='l\x00\x00\x00', @ANYRES16=r2, @ANYBLOB="01002dbd7000fddbdf25020000000c00030001000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB], 0x6c}}, 0x0) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r4 = syz_genetlink_get_family_id$nl802154(&(0x7f00000013c0), 0xffffffffffffffff) sendmsg$NL802154_CMD_SET_CCA_MODE(r3, &(0x7f0000001500)={&(0x7f0000001380), 0xc, &(0x7f00000014c0)={&(0x7f0000001440)={0x24, r4, 0x1, 0x0, 0x0, {}, [@NL802154_ATTR_CCA_MODE={0x8}, @NL802154_ATTR_IFINDEX={0x8}]}, 0x24}}, 0x0) ioctl$sock_SIOCGIFINDEX_802154(r1, 0x8933, &(0x7f0000000080)={'wpan3\x00', 0x0}) ioctl$sock_SIOCGIFINDEX_802154(r1, 0x8933, &(0x7f00000000c0)={'wpan4\x00', 0x0}) r7 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r8 = syz_genetlink_get_family_id$nl802154(&(0x7f00000013c0), 0xffffffffffffffff) sendmsg$NL802154_CMD_SET_CCA_MODE(r7, &(0x7f0000001500)={&(0x7f0000001380), 0xc, &(0x7f00000014c0)={&(0x7f0000001440)={0x24, r8, 0x1, 0x0, 0x0, {}, [@NL802154_ATTR_CCA_MODE={0x8}, @NL802154_ATTR_IFINDEX={0x8}]}, 0x24}}, 0x0) sendmsg$NL802154_CMD_DEL_SEC_LEVEL(r1, &(0x7f0000000400)={&(0x7f0000000300)={0x10, 0x0, 0x0, 0x400000}, 0xc, &(0x7f00000003c0)={&(0x7f0000000340)={0x80, r8, 0x2, 0x70bd29, 0x25dfdbfe, {}, [@NL802154_ATTR_IFINDEX={0x8}, @NL802154_ATTR_SEC_LEVEL={0x1c, 0x22, 0x0, 0x1, [@NL802154_SECLEVEL_ATTR_DEV_OVERRIDE={0x5, 0x4, 0x1}, @NL802154_SECLEVEL_ATTR_DEV_OVERRIDE={0x5}, @NL802154_SECLEVEL_ATTR_FRAME={0x8, 0x2, 0x1}]}, @NL802154_ATTR_IFINDEX={0x8, 0x3, r5}, @NL802154_ATTR_WPAN_DEV={0xc, 0x6, 0x3}, @NL802154_ATTR_SEC_LEVEL={0x34, 0x22, 0x0, 0x1, [@NL802154_SECLEVEL_ATTR_CMD_FRAME={0x8, 0x3, 0x8}, @NL802154_SECLEVEL_ATTR_DEV_OVERRIDE={0x5, 0x4, 0x1}, @NL802154_SECLEVEL_ATTR_DEV_OVERRIDE={0x5}, @NL802154_SECLEVEL_ATTR_FRAME={0x8, 0x2, 0x2}, @NL802154_SECLEVEL_ATTR_FRAME={0x8, 0x2, 0x1}, @NL802154_SECLEVEL_ATTR_DEV_OVERRIDE={0x5}]}]}, 0x80}, 0x1, 0x0, 0x0, 0x4}, 0x10) sendmsg$NL802154_CMD_DEL_SEC_DEVKEY(r0, &(0x7f00000002c0)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x8004300}, 0xc, &(0x7f0000000280)={&(0x7f0000000180)={0xd0, r4, 0x0, 0x70bd2d, 0x25dfdbff, {}, [@NL802154_ATTR_WPAN_DEV={0xc, 0x6, 0x2}, @NL802154_ATTR_SEC_DEVKEY={0x88, 0x24, 0x0, 0x1, [@NL802154_DEVKEY_ATTR_EXTENDED_ADDR={0xc, 0x2, {0xaaaaaaaaaaaa0202}}, @NL802154_DEVKEY_ATTR_ID={0x3c, 0x3, 0x0, 0x1, [@NL802154_KEY_ID_ATTR_MODE={0x8, 0x1, 0x3}, @NL802154_KEY_ID_ATTR_IMPLICIT={0x30, 0x3, 0x0, 0x1, [@NL802154_DEV_ADDR_ATTR_MODE={0x8, 0x2, 0x3}, @NL802154_DEV_ADDR_ATTR_EXTENDED={0xc, 0x4, {0xaaaaaaaaaaaa0302}}, @NL802154_DEV_ADDR_ATTR_PAN_ID={0x6, 0x1, 0x2}, @NL802154_DEV_ADDR_ATTR_PAN_ID={0x6}, @NL802154_DEV_ADDR_ATTR_MODE={0x8, 0x2, 0x3}]}]}, @NL802154_DEVKEY_ATTR_FRAME_COUNTER={0x8, 0x1, 0x200}, @NL802154_DEVKEY_ATTR_ID={0x24, 0x3, 0x0, 0x1, [@NL802154_KEY_ID_ATTR_MODE={0x8, 0x1, 0x3}, @NL802154_KEY_ID_ATTR_INDEX={0x5, 0x2, 0x1}, @NL802154_KEY_ID_ATTR_MODE={0x8, 0x1, 0x1}, @NL802154_KEY_ID_ATTR_MODE={0x8, 0x1, 0x3}]}, @NL802154_DEVKEY_ATTR_FRAME_COUNTER={0x8, 0x1, 0xfffff800}, @NL802154_DEVKEY_ATTR_FRAME_COUNTER={0x8, 0x1, 0x7}]}, @NL802154_ATTR_IFINDEX={0x8, 0x3, r5}, @NL802154_ATTR_WPAN_DEV={0xc, 0x6, 0x200000001}, @NL802154_ATTR_WPAN_DEV={0xc}, @NL802154_ATTR_IFINDEX={0x8, 0x3, r6}]}, 0xd0}, 0x1, 0x0, 0x0, 0x90}, 0x40048d4) [ 346.244072] nbd: couldn't find device at index -1 12:26:25 executing program 2: syz_open_dev$dri(&(0x7f0000000180), 0xffe, 0x0) 12:26:25 executing program 4: syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) socket$inet6_udp(0xa, 0x2, 0x0) socket$netlink(0x10, 0x3, 0x7) 12:26:25 executing program 0: syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) socket$inet6_udp(0xa, 0x2, 0x0) r0 = socket$netlink(0x10, 0x3, 0x7) sendmsg$TIPC_CMD_SET_NETID(r0, &(0x7f0000000d80)={0x0, 0x0, &(0x7f0000000d40)={&(0x7f0000000d00)={0x24, 0x0, 0x0, 0x0, 0x0, {{}, {}, {0x8}}}, 0x24}, 0x1, 0x0, 0x0, 0x1}, 0x0) syz_genetlink_get_family_id$batadv(&(0x7f0000000240), r0) r1 = syz_clone(0x0, &(0x7f0000000040)="1a171245849453205cf092f9edbfe0620468e66d257e40c579b6e8725640fbc1a8373f161d95576188208359881a9b105c8ddaacf08443a63d24d285b39924e3a25798a1bacddb6e9f33d86412063db6c3fea9a89edec258ae8383ed3639fdb2", 0x60, &(0x7f00000000c0), &(0x7f0000000100), &(0x7f0000000140)="4815ba9089ee86199f4486e7f561ee854dd860fd69af0448d94e8d28e1997e190a1477113ac90d5dac2dc577deb6add5cffd64dc1da896ba03f8b4d56763494d9b0e542955175aa2d6f7dcdd816c0c230c5b8a6933086ad23e9007897a7b41b523a94e557d1cd76f8d74e37514af943a5a6fd39e16d8da37068639c2eb6902bfda8106e8a6e539a766b39ca85355b6bdb74725d3858b06f82ecc50ecd759bf861d1bf8d63fd3c1a8e3c2b77e3141c087ed7f5cec347bdd71d5cc52569a") syz_open_procfs$namespace(r1, &(0x7f0000000200)='ns/time\x00') 12:26:25 executing program 3: openat$null(0xffffffffffffff9c, &(0x7f0000000040), 0x200, 0x0) (async) r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x10301) ioctl$NBD_SET_SOCK(r0, 0xab00, 0xffffffffffffffff) [ 346.329065] nbd: must specify an index to disconnect 12:26:26 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) 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$nbd(&(0x7f0000000040), r1) sendmsg$NBD_CMD_DISCONNECT(r2, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000080)={0x14, r3, 0x1}, 0x14}, 0x1, 0x0, 0x0, 0x40000c5}, 0x0) r4 = openat$null(0xffffffffffffff9c, 0x0, 0x0, 0x0) mmap$perf(&(0x7f0000ffe000/0x2000)=nil, 0x2000, 0x0, 0x10, r4, 0x0) sendmsg$NBD_CMD_DISCONNECT(r0, &(0x7f0000000180)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x20000000}, 0xc, &(0x7f00000000c0)={&(0x7f0000000080)={0x20, r3, 0x1, 0x70bd25, 0x25dfdbfb, {}, [@NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8, 0x1, r4}]}]}, 0x20}}, 0x10) r5 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r6 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r5) sendmsg$NBD_CMD_DISCONNECT(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f00000004c0)=ANY=[@ANYBLOB='l\x00\x00\x00', @ANYRES16=r6, @ANYBLOB="01002dbd7000fddbdf25020000000c00030001000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB], 0x6c}}, 0x0) [ 346.401568] nbd: couldn't find device at index -1 12:26:26 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r1) sendmsg$NBD_CMD_DISCONNECT(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f00000004c0)=ANY=[@ANYBLOB='l\x00\x00\x00', @ANYRES16, @ANYBLOB="01002dbd7000fddbdf25020000000c00030001000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32], 0x6c}, 0x1, 0x0, 0x0, 0x80000}, 0x80) 12:26:26 executing program 4: syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) socket$inet6_udp(0xa, 0x2, 0x0) 12:26:26 executing program 3: openat$null(0xffffffffffffff9c, &(0x7f0000000040), 0x200, 0x0) r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x10301) ioctl$NBD_SET_SOCK(r0, 0xab00, 0xffffffffffffffff) 12:26:26 executing program 0: syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) socket$inet6_udp(0xa, 0x2, 0x0) r0 = socket$netlink(0x10, 0x3, 0x7) sendmsg$TIPC_CMD_SET_NETID(r0, &(0x7f0000000d80)={0x0, 0x0, &(0x7f0000000d40)={&(0x7f0000000d00)={0x24, 0x0, 0x0, 0x0, 0x0, {{}, {}, {0x8}}}, 0x24}, 0x1, 0x0, 0x0, 0x1}, 0x0) syz_genetlink_get_family_id$batadv(&(0x7f0000000240), r0) r1 = syz_clone(0x0, &(0x7f0000000040)="1a171245849453205cf092f9edbfe0620468e66d257e40c579b6e8725640fbc1a8373f161d95576188208359881a9b105c8ddaacf08443a63d24d285b39924e3a25798a1bacddb6e9f33d86412063db6c3fea9a89edec258ae8383ed3639fdb2", 0x60, &(0x7f00000000c0), &(0x7f0000000100), &(0x7f0000000140)="4815ba9089ee86199f4486e7f561ee854dd860fd69af0448d94e8d28e1997e190a1477113ac90d5dac2dc577deb6add5cffd64dc1da896ba03f8b4d56763494d9b0e542955175aa2d6f7dcdd816c0c230c5b8a6933086ad23e9007897a7b41b523a94e557d1cd76f8d74e37514af943a5a6fd39e16d8da37068639c2eb6902bfda8106e8a6e539a766b39ca85355b6bdb74725d3858b06f82ecc50ecd759bf861d1bf8d63fd3c1a8e3c2b77e3141c087ed7f5cec347bdd71d5cc52569a") syz_open_procfs$namespace(r1, &(0x7f0000000200)='ns/time\x00') [ 346.562491] nbd: must specify an index to disconnect 12:26:26 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r1) sendmsg$NBD_CMD_DISCONNECT(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f00000004c0)=ANY=[@ANYBLOB='l\x00\x00\x00', @ANYRES16=r2, @ANYBLOB="01002dbd7000fddbdf25020000000c00030001000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB], 0x6c}}, 0x0) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r4 = syz_genetlink_get_family_id$nl802154(&(0x7f00000013c0), 0xffffffffffffffff) sendmsg$NL802154_CMD_SET_CCA_MODE(r3, &(0x7f0000001500)={&(0x7f0000001380), 0xc, &(0x7f00000014c0)={&(0x7f0000001440)={0x24, r4, 0x1, 0x0, 0x0, {}, [@NL802154_ATTR_CCA_MODE={0x8}, @NL802154_ATTR_IFINDEX={0x8}]}, 0x24}}, 0x0) ioctl$sock_SIOCGIFINDEX_802154(r1, 0x8933, &(0x7f0000000080)={'wpan3\x00', 0x0}) (async) ioctl$sock_SIOCGIFINDEX_802154(r1, 0x8933, &(0x7f00000000c0)={'wpan4\x00', 0x0}) (async) r7 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) r8 = syz_genetlink_get_family_id$nl802154(&(0x7f00000013c0), 0xffffffffffffffff) sendmsg$NL802154_CMD_SET_CCA_MODE(r7, &(0x7f0000001500)={&(0x7f0000001380), 0xc, &(0x7f00000014c0)={&(0x7f0000001440)={0x24, r8, 0x1, 0x0, 0x0, {}, [@NL802154_ATTR_CCA_MODE={0x8}, @NL802154_ATTR_IFINDEX={0x8}]}, 0x24}}, 0x0) (async) sendmsg$NL802154_CMD_DEL_SEC_LEVEL(r1, &(0x7f0000000400)={&(0x7f0000000300)={0x10, 0x0, 0x0, 0x400000}, 0xc, &(0x7f00000003c0)={&(0x7f0000000340)={0x80, r8, 0x2, 0x70bd29, 0x25dfdbfe, {}, [@NL802154_ATTR_IFINDEX={0x8}, @NL802154_ATTR_SEC_LEVEL={0x1c, 0x22, 0x0, 0x1, [@NL802154_SECLEVEL_ATTR_DEV_OVERRIDE={0x5, 0x4, 0x1}, @NL802154_SECLEVEL_ATTR_DEV_OVERRIDE={0x5}, @NL802154_SECLEVEL_ATTR_FRAME={0x8, 0x2, 0x1}]}, @NL802154_ATTR_IFINDEX={0x8, 0x3, r5}, @NL802154_ATTR_WPAN_DEV={0xc, 0x6, 0x3}, @NL802154_ATTR_SEC_LEVEL={0x34, 0x22, 0x0, 0x1, [@NL802154_SECLEVEL_ATTR_CMD_FRAME={0x8, 0x3, 0x8}, @NL802154_SECLEVEL_ATTR_DEV_OVERRIDE={0x5, 0x4, 0x1}, @NL802154_SECLEVEL_ATTR_DEV_OVERRIDE={0x5}, @NL802154_SECLEVEL_ATTR_FRAME={0x8, 0x2, 0x2}, @NL802154_SECLEVEL_ATTR_FRAME={0x8, 0x2, 0x1}, @NL802154_SECLEVEL_ATTR_DEV_OVERRIDE={0x5}]}]}, 0x80}, 0x1, 0x0, 0x0, 0x4}, 0x10) (async) sendmsg$NL802154_CMD_DEL_SEC_DEVKEY(r0, &(0x7f00000002c0)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x8004300}, 0xc, &(0x7f0000000280)={&(0x7f0000000180)={0xd0, r4, 0x0, 0x70bd2d, 0x25dfdbff, {}, [@NL802154_ATTR_WPAN_DEV={0xc, 0x6, 0x2}, @NL802154_ATTR_SEC_DEVKEY={0x88, 0x24, 0x0, 0x1, [@NL802154_DEVKEY_ATTR_EXTENDED_ADDR={0xc, 0x2, {0xaaaaaaaaaaaa0202}}, @NL802154_DEVKEY_ATTR_ID={0x3c, 0x3, 0x0, 0x1, [@NL802154_KEY_ID_ATTR_MODE={0x8, 0x1, 0x3}, @NL802154_KEY_ID_ATTR_IMPLICIT={0x30, 0x3, 0x0, 0x1, [@NL802154_DEV_ADDR_ATTR_MODE={0x8, 0x2, 0x3}, @NL802154_DEV_ADDR_ATTR_EXTENDED={0xc, 0x4, {0xaaaaaaaaaaaa0302}}, @NL802154_DEV_ADDR_ATTR_PAN_ID={0x6, 0x1, 0x2}, @NL802154_DEV_ADDR_ATTR_PAN_ID={0x6}, @NL802154_DEV_ADDR_ATTR_MODE={0x8, 0x2, 0x3}]}]}, @NL802154_DEVKEY_ATTR_FRAME_COUNTER={0x8, 0x1, 0x200}, @NL802154_DEVKEY_ATTR_ID={0x24, 0x3, 0x0, 0x1, [@NL802154_KEY_ID_ATTR_MODE={0x8, 0x1, 0x3}, @NL802154_KEY_ID_ATTR_INDEX={0x5, 0x2, 0x1}, @NL802154_KEY_ID_ATTR_MODE={0x8, 0x1, 0x1}, @NL802154_KEY_ID_ATTR_MODE={0x8, 0x1, 0x3}]}, @NL802154_DEVKEY_ATTR_FRAME_COUNTER={0x8, 0x1, 0xfffff800}, @NL802154_DEVKEY_ATTR_FRAME_COUNTER={0x8, 0x1, 0x7}]}, @NL802154_ATTR_IFINDEX={0x8, 0x3, r5}, @NL802154_ATTR_WPAN_DEV={0xc, 0x6, 0x200000001}, @NL802154_ATTR_WPAN_DEV={0xc}, @NL802154_ATTR_IFINDEX={0x8, 0x3, r6}]}, 0xd0}, 0x1, 0x0, 0x0, 0x90}, 0x40048d4) 12:26:26 executing program 3: socket$isdn(0x22, 0x3, 0x21) r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) r1 = socket$unix(0x1, 0x2, 0x0) sendmsg$unix(r1, &(0x7f00000003c0)={&(0x7f0000000040)=@abs={0x0, 0x0, 0x4e21}, 0x6e, &(0x7f0000000380)=[{&(0x7f00000000c0)="196bbd10d648e15729cdc3ab0d41585a532fa0372390c9c585b651ee01d26e362b", 0x21}, {&(0x7f0000000100)="57266ecb72a84ebf98a747bea4800dae8bc0a77c5545da4c273632b4b9148d27e9e60ac6029fb3cf40f7f59a3139022ad4ed338d48696aada3950f5e59c9c9b4d691c9c50ae3abd06354b76ccf925c1f043b5e6b9e203077b60da79f02060e137a01dc85ebfc20cbead073dd480851fb616bcaa89fb6e8ac0b", 0x79}, {&(0x7f0000000180)="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", 0xfd}, {&(0x7f0000000280)="fe9d6561e4117d832c201dc0cfc0366cf7d03d4d7b1e3dc4f3babf671104ae493e8ce10ce297d7b34cbbb13d564ca9ff63d6d4c864ea042ea2567785019528b7b5b8c5136bb84bc1b0299921c604e73154ac2fd15fa1c165a7376cf4d631975b75eb3457565f5c410632d6c4c05ddede7be5d0fb5ea27809cb9b2d2e49dd236d7304016d680212730c6640ff6828689349c1e9d119d18119cd66188e150cf32cbd778ca3080f0b1d9180c74203341b3fd6828a32a93a2c9c1ef1381801e28e3496666c6424c83bf4d97ad60a", 0xcc}], 0x4}, 0x4000) ioctl$NBD_SET_SOCK(r0, 0xab00, 0xffffffffffffffff) [ 346.595322] nbd: must specify an index to disconnect 12:26:26 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r1) sendmsg$NBD_CMD_DISCONNECT(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f00000004c0)=ANY=[@ANYBLOB='l\x00\x00\x00', @ANYRES16=r2, @ANYBLOB="01002dbd7000fddbdf25020000000c00030001000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB], 0x6c}}, 0x0) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r4 = syz_genetlink_get_family_id$nl802154(&(0x7f00000013c0), 0xffffffffffffffff) sendmsg$NL802154_CMD_SET_CCA_MODE(r3, &(0x7f0000001500)={&(0x7f0000001380), 0xc, &(0x7f00000014c0)={&(0x7f0000001440)={0x24, r4, 0x1, 0x0, 0x0, {}, [@NL802154_ATTR_CCA_MODE={0x8}, @NL802154_ATTR_IFINDEX={0x8}]}, 0x24}}, 0x0) ioctl$sock_SIOCGIFINDEX_802154(r1, 0x8933, &(0x7f0000000080)={'wpan3\x00', 0x0}) ioctl$sock_SIOCGIFINDEX_802154(r1, 0x8933, &(0x7f00000000c0)={'wpan4\x00', 0x0}) r7 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r8 = syz_genetlink_get_family_id$nl802154(&(0x7f00000013c0), 0xffffffffffffffff) sendmsg$NL802154_CMD_SET_CCA_MODE(r7, &(0x7f0000001500)={&(0x7f0000001380), 0xc, &(0x7f00000014c0)={&(0x7f0000001440)={0x24, r8, 0x1, 0x0, 0x0, {}, [@NL802154_ATTR_CCA_MODE={0x8}, @NL802154_ATTR_IFINDEX={0x8}]}, 0x24}}, 0x0) sendmsg$NL802154_CMD_DEL_SEC_LEVEL(r1, &(0x7f0000000400)={&(0x7f0000000300)={0x10, 0x0, 0x0, 0x400000}, 0xc, &(0x7f00000003c0)={&(0x7f0000000340)={0x80, r8, 0x2, 0x70bd29, 0x25dfdbfe, {}, [@NL802154_ATTR_IFINDEX={0x8}, @NL802154_ATTR_SEC_LEVEL={0x1c, 0x22, 0x0, 0x1, [@NL802154_SECLEVEL_ATTR_DEV_OVERRIDE={0x5, 0x4, 0x1}, @NL802154_SECLEVEL_ATTR_DEV_OVERRIDE={0x5}, @NL802154_SECLEVEL_ATTR_FRAME={0x8, 0x2, 0x1}]}, @NL802154_ATTR_IFINDEX={0x8, 0x3, r5}, @NL802154_ATTR_WPAN_DEV={0xc, 0x6, 0x3}, @NL802154_ATTR_SEC_LEVEL={0x34, 0x22, 0x0, 0x1, [@NL802154_SECLEVEL_ATTR_CMD_FRAME={0x8, 0x3, 0x8}, @NL802154_SECLEVEL_ATTR_DEV_OVERRIDE={0x5, 0x4, 0x1}, @NL802154_SECLEVEL_ATTR_DEV_OVERRIDE={0x5}, @NL802154_SECLEVEL_ATTR_FRAME={0x8, 0x2, 0x2}, @NL802154_SECLEVEL_ATTR_FRAME={0x8, 0x2, 0x1}, @NL802154_SECLEVEL_ATTR_DEV_OVERRIDE={0x5}]}]}, 0x80}, 0x1, 0x0, 0x0, 0x4}, 0x10) sendmsg$NL802154_CMD_DEL_SEC_DEVKEY(r0, &(0x7f00000002c0)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x8004300}, 0xc, &(0x7f0000000280)={&(0x7f0000000180)={0xd0, r4, 0x0, 0x70bd2d, 0x25dfdbff, {}, [@NL802154_ATTR_WPAN_DEV={0xc, 0x6, 0x2}, @NL802154_ATTR_SEC_DEVKEY={0x88, 0x24, 0x0, 0x1, [@NL802154_DEVKEY_ATTR_EXTENDED_ADDR={0xc, 0x2, {0xaaaaaaaaaaaa0202}}, @NL802154_DEVKEY_ATTR_ID={0x3c, 0x3, 0x0, 0x1, [@NL802154_KEY_ID_ATTR_MODE={0x8, 0x1, 0x3}, @NL802154_KEY_ID_ATTR_IMPLICIT={0x30, 0x3, 0x0, 0x1, [@NL802154_DEV_ADDR_ATTR_MODE={0x8, 0x2, 0x3}, @NL802154_DEV_ADDR_ATTR_EXTENDED={0xc, 0x4, {0xaaaaaaaaaaaa0302}}, @NL802154_DEV_ADDR_ATTR_PAN_ID={0x6, 0x1, 0x2}, @NL802154_DEV_ADDR_ATTR_PAN_ID={0x6}, @NL802154_DEV_ADDR_ATTR_MODE={0x8, 0x2, 0x3}]}]}, @NL802154_DEVKEY_ATTR_FRAME_COUNTER={0x8, 0x1, 0x200}, @NL802154_DEVKEY_ATTR_ID={0x24, 0x3, 0x0, 0x1, [@NL802154_KEY_ID_ATTR_MODE={0x8, 0x1, 0x3}, @NL802154_KEY_ID_ATTR_INDEX={0x5, 0x2, 0x1}, @NL802154_KEY_ID_ATTR_MODE={0x8, 0x1, 0x1}, @NL802154_KEY_ID_ATTR_MODE={0x8, 0x1, 0x3}]}, @NL802154_DEVKEY_ATTR_FRAME_COUNTER={0x8, 0x1, 0xfffff800}, @NL802154_DEVKEY_ATTR_FRAME_COUNTER={0x8, 0x1, 0x7}]}, @NL802154_ATTR_IFINDEX={0x8, 0x3, r5}, @NL802154_ATTR_WPAN_DEV={0xc, 0x6, 0x200000001}, @NL802154_ATTR_WPAN_DEV={0xc}, @NL802154_ATTR_IFINDEX={0x8, 0x3, r6}]}, 0xd0}, 0x1, 0x0, 0x0, 0x90}, 0x40048d4) 12:26:26 executing program 4: socket$inet6_udp(0xa, 0x2, 0x0) [ 346.649116] nbd: couldn't find device at index -1 12:26:26 executing program 5: syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) socket$inet6_udp(0xa, 0x2, 0x0) 12:26:26 executing program 0: syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) socket$inet6_udp(0xa, 0x2, 0x0) r0 = socket$netlink(0x10, 0x3, 0x7) sendmsg$TIPC_CMD_SET_NETID(r0, &(0x7f0000000d80)={0x0, 0x0, &(0x7f0000000d40)={&(0x7f0000000d00)={0x24, 0x0, 0x0, 0x0, 0x0, {{}, {}, {0x8}}}, 0x24}, 0x1, 0x0, 0x0, 0x1}, 0x0) syz_genetlink_get_family_id$batadv(&(0x7f0000000240), r0) syz_clone(0x0, &(0x7f0000000040)="1a171245849453205cf092f9edbfe0620468e66d257e40c579b6e8725640fbc1a8373f161d95576188208359881a9b105c8ddaacf08443a63d24d285b39924e3a25798a1bacddb6e9f33d86412063db6c3fea9a89edec258ae8383ed3639fdb2", 0x60, &(0x7f00000000c0), &(0x7f0000000100), &(0x7f0000000140)="4815ba9089ee86199f4486e7f561ee854dd860fd69af0448d94e8d28e1997e190a1477113ac90d5dac2dc577deb6add5cffd64dc1da896ba03f8b4d56763494d9b0e542955175aa2d6f7dcdd816c0c230c5b8a6933086ad23e9007897a7b41b523a94e557d1cd76f8d74e37514af943a5a6fd39e16d8da37068639c2eb6902bfda8106e8a6e539a766b39ca85355b6bdb74725d3858b06f82ecc50ecd759bf861d1bf8d63fd3c1a8e3c2b77e3141c087ed7f5cec347bdd71d5cc52569a") 12:26:26 executing program 3: socket$isdn(0x22, 0x3, 0x21) (async) r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) (async) r1 = socket$unix(0x1, 0x2, 0x0) sendmsg$unix(r1, &(0x7f00000003c0)={&(0x7f0000000040)=@abs={0x0, 0x0, 0x4e21}, 0x6e, &(0x7f0000000380)=[{&(0x7f00000000c0)="196bbd10d648e15729cdc3ab0d41585a532fa0372390c9c585b651ee01d26e362b", 0x21}, {&(0x7f0000000100)="57266ecb72a84ebf98a747bea4800dae8bc0a77c5545da4c273632b4b9148d27e9e60ac6029fb3cf40f7f59a3139022ad4ed338d48696aada3950f5e59c9c9b4d691c9c50ae3abd06354b76ccf925c1f043b5e6b9e203077b60da79f02060e137a01dc85ebfc20cbead073dd480851fb616bcaa89fb6e8ac0b", 0x79}, {&(0x7f0000000180)="6b8562e466a3bb7fe2e49db0d232d25582814995b701ed11d8f7808d3bef72dd2934bd12762b24da70431b0ea5f2bab4fe21e1867fbdac22bda0e0f9d9ab4510a81e135dc744a94106ae077ed4f9e1e876cf921f441c72d1a70bc174f0dd08094b1509112d03dda16e047de611ca5a84aa043e1d3c090019f9d111ca41893bcdb4a686fbbbac8f223e15a4531726d868579c896ba9ded0009f2aa93a739c7323dfea81d1f90e392701cf5f2a5e6d1a2ba85c8edbe7e3cb0bb62bfd39505308f9335218d20099b59ab36237650e0cb87e000b59bc1021079667b108134a9585ee0673022d7891a69f9916bdb47275dd878dfac1ea935d7edccad77a1e79", 0xfd}, {&(0x7f0000000280)="fe9d6561e4117d832c201dc0cfc0366cf7d03d4d7b1e3dc4f3babf671104ae493e8ce10ce297d7b34cbbb13d564ca9ff63d6d4c864ea042ea2567785019528b7b5b8c5136bb84bc1b0299921c604e73154ac2fd15fa1c165a7376cf4d631975b75eb3457565f5c410632d6c4c05ddede7be5d0fb5ea27809cb9b2d2e49dd236d7304016d680212730c6640ff6828689349c1e9d119d18119cd66188e150cf32cbd778ca3080f0b1d9180c74203341b3fd6828a32a93a2c9c1ef1381801e28e3496666c6424c83bf4d97ad60a", 0xcc}], 0x4}, 0x4000) (async) ioctl$NBD_SET_SOCK(r0, 0xab00, 0xffffffffffffffff) 12:26:26 executing program 4: socket$isdn(0x22, 0x3, 0x21) r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) r1 = socket$unix(0x1, 0x2, 0x0) sendmsg$unix(r1, &(0x7f00000003c0)={&(0x7f0000000040)=@abs={0x0, 0x0, 0x4e21}, 0x6e, &(0x7f0000000380)=[{&(0x7f00000000c0)="196bbd10d648e15729cdc3ab0d41585a532fa0372390c9c585b651ee01d26e362b", 0x21}, {&(0x7f0000000100)="57266ecb72a84ebf98a747bea4800dae8bc0a77c5545da4c273632b4b9148d27e9e60ac6029fb3cf40f7f59a3139022ad4ed338d48696aada3950f5e59c9c9b4d691c9c50ae3abd06354b76ccf925c1f043b5e6b9e203077b60da79f02060e137a01dc85ebfc20cbead073dd480851fb616bcaa89fb6e8ac0b", 0x79}, {&(0x7f0000000180)="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", 0xfd}, {&(0x7f0000000280)="fe9d6561e4117d832c201dc0cfc0366cf7d03d4d7b1e3dc4f3babf671104ae493e8ce10ce297d7b34cbbb13d564ca9ff63d6d4c864ea042ea2567785019528b7b5b8c5136bb84bc1b0299921c604e73154ac2fd15fa1c165a7376cf4d631975b75eb3457565f5c410632d6c4c05ddede7be5d0fb5ea27809cb9b2d2e49dd236d7304016d680212730c6640ff6828689349c1e9d119d18119cd66188e150cf32cbd778ca3080f0b1d9180c74203341b3fd6828a32a93a2c9c1ef1381801e28e3496666c6424c83bf4d97ad60a", 0xcc}], 0x4}, 0x4000) ioctl$NBD_SET_SOCK(r0, 0xab00, 0xffffffffffffffff) 12:26:26 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r1) sendmsg$NBD_CMD_DISCONNECT(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f00000004c0)=ANY=[@ANYBLOB='l\x00\x00\x00', @ANYRES16=r2, @ANYBLOB="01002dbd7000fddbdf25020000000c00030001000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB], 0x6c}}, 0x0) (async, rerun: 32) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (rerun: 32) r4 = syz_genetlink_get_family_id$nl802154(&(0x7f00000013c0), 0xffffffffffffffff) sendmsg$NL802154_CMD_SET_CCA_MODE(r3, &(0x7f0000001500)={&(0x7f0000001380), 0xc, &(0x7f00000014c0)={&(0x7f0000001440)={0x24, r4, 0x1, 0x0, 0x0, {}, [@NL802154_ATTR_CCA_MODE={0x8}, @NL802154_ATTR_IFINDEX={0x8}]}, 0x24}}, 0x0) (async) ioctl$sock_SIOCGIFINDEX_802154(r1, 0x8933, &(0x7f0000000080)={'wpan3\x00', 0x0}) (async) ioctl$sock_SIOCGIFINDEX_802154(r1, 0x8933, &(0x7f00000000c0)={'wpan4\x00', 0x0}) (async) r7 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) r8 = syz_genetlink_get_family_id$nl802154(&(0x7f00000013c0), 0xffffffffffffffff) sendmsg$NL802154_CMD_SET_CCA_MODE(r7, &(0x7f0000001500)={&(0x7f0000001380), 0xc, &(0x7f00000014c0)={&(0x7f0000001440)={0x24, r8, 0x1, 0x0, 0x0, {}, [@NL802154_ATTR_CCA_MODE={0x8}, @NL802154_ATTR_IFINDEX={0x8}]}, 0x24}}, 0x0) (async) sendmsg$NL802154_CMD_DEL_SEC_LEVEL(r1, &(0x7f0000000400)={&(0x7f0000000300)={0x10, 0x0, 0x0, 0x400000}, 0xc, &(0x7f00000003c0)={&(0x7f0000000340)={0x80, r8, 0x2, 0x70bd29, 0x25dfdbfe, {}, [@NL802154_ATTR_IFINDEX={0x8}, @NL802154_ATTR_SEC_LEVEL={0x1c, 0x22, 0x0, 0x1, [@NL802154_SECLEVEL_ATTR_DEV_OVERRIDE={0x5, 0x4, 0x1}, @NL802154_SECLEVEL_ATTR_DEV_OVERRIDE={0x5}, @NL802154_SECLEVEL_ATTR_FRAME={0x8, 0x2, 0x1}]}, @NL802154_ATTR_IFINDEX={0x8, 0x3, r5}, @NL802154_ATTR_WPAN_DEV={0xc, 0x6, 0x3}, @NL802154_ATTR_SEC_LEVEL={0x34, 0x22, 0x0, 0x1, [@NL802154_SECLEVEL_ATTR_CMD_FRAME={0x8, 0x3, 0x8}, @NL802154_SECLEVEL_ATTR_DEV_OVERRIDE={0x5, 0x4, 0x1}, @NL802154_SECLEVEL_ATTR_DEV_OVERRIDE={0x5}, @NL802154_SECLEVEL_ATTR_FRAME={0x8, 0x2, 0x2}, @NL802154_SECLEVEL_ATTR_FRAME={0x8, 0x2, 0x1}, @NL802154_SECLEVEL_ATTR_DEV_OVERRIDE={0x5}]}]}, 0x80}, 0x1, 0x0, 0x0, 0x4}, 0x10) sendmsg$NL802154_CMD_DEL_SEC_DEVKEY(r0, &(0x7f00000002c0)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x8004300}, 0xc, &(0x7f0000000280)={&(0x7f0000000180)={0xd0, r4, 0x0, 0x70bd2d, 0x25dfdbff, {}, [@NL802154_ATTR_WPAN_DEV={0xc, 0x6, 0x2}, @NL802154_ATTR_SEC_DEVKEY={0x88, 0x24, 0x0, 0x1, [@NL802154_DEVKEY_ATTR_EXTENDED_ADDR={0xc, 0x2, {0xaaaaaaaaaaaa0202}}, @NL802154_DEVKEY_ATTR_ID={0x3c, 0x3, 0x0, 0x1, [@NL802154_KEY_ID_ATTR_MODE={0x8, 0x1, 0x3}, @NL802154_KEY_ID_ATTR_IMPLICIT={0x30, 0x3, 0x0, 0x1, [@NL802154_DEV_ADDR_ATTR_MODE={0x8, 0x2, 0x3}, @NL802154_DEV_ADDR_ATTR_EXTENDED={0xc, 0x4, {0xaaaaaaaaaaaa0302}}, @NL802154_DEV_ADDR_ATTR_PAN_ID={0x6, 0x1, 0x2}, @NL802154_DEV_ADDR_ATTR_PAN_ID={0x6}, @NL802154_DEV_ADDR_ATTR_MODE={0x8, 0x2, 0x3}]}]}, @NL802154_DEVKEY_ATTR_FRAME_COUNTER={0x8, 0x1, 0x200}, @NL802154_DEVKEY_ATTR_ID={0x24, 0x3, 0x0, 0x1, [@NL802154_KEY_ID_ATTR_MODE={0x8, 0x1, 0x3}, @NL802154_KEY_ID_ATTR_INDEX={0x5, 0x2, 0x1}, @NL802154_KEY_ID_ATTR_MODE={0x8, 0x1, 0x1}, @NL802154_KEY_ID_ATTR_MODE={0x8, 0x1, 0x3}]}, @NL802154_DEVKEY_ATTR_FRAME_COUNTER={0x8, 0x1, 0xfffff800}, @NL802154_DEVKEY_ATTR_FRAME_COUNTER={0x8, 0x1, 0x7}]}, @NL802154_ATTR_IFINDEX={0x8, 0x3, r5}, @NL802154_ATTR_WPAN_DEV={0xc, 0x6, 0x200000001}, @NL802154_ATTR_WPAN_DEV={0xc}, @NL802154_ATTR_IFINDEX={0x8, 0x3, r6}]}, 0xd0}, 0x1, 0x0, 0x0, 0x90}, 0x40048d4) 12:26:26 executing program 5: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0xa8a200) ioctl$NBD_SET_SOCK(r0, 0xab00, 0xffffffffffffffff) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) r2 = openat$null(0xffffffffffffff9c, 0x0, 0x0, 0x0) mmap$perf(&(0x7f0000ffe000/0x2000)=nil, 0x2000, 0x0, 0x10, r2, 0x0) r3 = syz_open_dev$ndb(&(0x7f0000000080), 0x0, 0x2) ioctl$NBD_SET_SOCK(r3, 0xab00, r1) [ 346.791669] nbd: couldn't find device at index -1 12:26:26 executing program 3: socket$isdn(0x22, 0x3, 0x21) (async) r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) r1 = socket$unix(0x1, 0x2, 0x0) sendmsg$unix(r1, &(0x7f00000003c0)={&(0x7f0000000040)=@abs={0x0, 0x0, 0x4e21}, 0x6e, &(0x7f0000000380)=[{&(0x7f00000000c0)="196bbd10d648e15729cdc3ab0d41585a532fa0372390c9c585b651ee01d26e362b", 0x21}, {&(0x7f0000000100)="57266ecb72a84ebf98a747bea4800dae8bc0a77c5545da4c273632b4b9148d27e9e60ac6029fb3cf40f7f59a3139022ad4ed338d48696aada3950f5e59c9c9b4d691c9c50ae3abd06354b76ccf925c1f043b5e6b9e203077b60da79f02060e137a01dc85ebfc20cbead073dd480851fb616bcaa89fb6e8ac0b", 0x79}, {&(0x7f0000000180)="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", 0xfd}, {&(0x7f0000000280)="fe9d6561e4117d832c201dc0cfc0366cf7d03d4d7b1e3dc4f3babf671104ae493e8ce10ce297d7b34cbbb13d564ca9ff63d6d4c864ea042ea2567785019528b7b5b8c5136bb84bc1b0299921c604e73154ac2fd15fa1c165a7376cf4d631975b75eb3457565f5c410632d6c4c05ddede7be5d0fb5ea27809cb9b2d2e49dd236d7304016d680212730c6640ff6828689349c1e9d119d18119cd66188e150cf32cbd778ca3080f0b1d9180c74203341b3fd6828a32a93a2c9c1ef1381801e28e3496666c6424c83bf4d97ad60a", 0xcc}], 0x4}, 0x4000) (async, rerun: 32) ioctl$NBD_SET_SOCK(r0, 0xab00, 0xffffffffffffffff) (rerun: 32) 12:26:26 executing program 0: syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) socket$inet6_udp(0xa, 0x2, 0x0) r0 = socket$netlink(0x10, 0x3, 0x7) sendmsg$TIPC_CMD_SET_NETID(r0, &(0x7f0000000d80)={0x0, 0x0, &(0x7f0000000d40)={&(0x7f0000000d00)={0x24, 0x0, 0x0, 0x0, 0x0, {{}, {}, {0x8}}}, 0x24}, 0x1, 0x0, 0x0, 0x1}, 0x0) syz_genetlink_get_family_id$batadv(&(0x7f0000000240), r0) 12:26:26 executing program 4: socket$isdn(0x22, 0x3, 0x21) r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) r1 = socket$unix(0x1, 0x2, 0x0) sendmsg$unix(r1, &(0x7f00000003c0)={&(0x7f0000000040)=@abs={0x0, 0x0, 0x4e21}, 0x6e, &(0x7f0000000380)=[{&(0x7f00000000c0)="196bbd10d648e15729cdc3ab0d41585a532fa0372390c9c585b651ee01d26e362b", 0x21}, {&(0x7f0000000100)="57266ecb72a84ebf98a747bea4800dae8bc0a77c5545da4c273632b4b9148d27e9e60ac6029fb3cf40f7f59a3139022ad4ed338d48696aada3950f5e59c9c9b4d691c9c50ae3abd06354b76ccf925c1f043b5e6b9e203077b60da79f02060e137a01dc85ebfc20cbead073dd480851fb616bcaa89fb6e8ac0b", 0x79}, {&(0x7f0000000180)="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", 0xfd}, {&(0x7f0000000280)="fe9d6561e4117d832c201dc0cfc0366cf7d03d4d7b1e3dc4f3babf671104ae493e8ce10ce297d7b34cbbb13d564ca9ff63d6d4c864ea042ea2567785019528b7b5b8c5136bb84bc1b0299921c604e73154ac2fd15fa1c165a7376cf4d631975b75eb3457565f5c410632d6c4c05ddede7be5d0fb5ea27809cb9b2d2e49dd236d7304016d680212730c6640ff6828689349c1e9d119d18119cd66188e150cf32cbd778ca3080f0b1d9180c74203341b3fd6828a32a93a2c9c1ef1381801e28e3496666c6424c83bf4d97ad60a", 0xcc}], 0x4}, 0x4000) ioctl$NBD_SET_SOCK(r0, 0xab00, 0xffffffffffffffff) [ 346.931835] nbd: couldn't find device at index -1 [ 346.949413] block nbd5: shutting down sockets 12:26:26 executing program 5: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0xa8a200) ioctl$NBD_SET_SOCK(r0, 0xab00, 0xffffffffffffffff) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) r2 = openat$null(0xffffffffffffff9c, 0x0, 0x0, 0x0) mmap$perf(&(0x7f0000ffe000/0x2000)=nil, 0x2000, 0x0, 0x10, r2, 0x0) r3 = syz_open_dev$ndb(&(0x7f0000000080), 0x0, 0x2) ioctl$NBD_SET_SOCK(r3, 0xab00, r1) [ 346.976755] nbd: couldn't find device at index -1 12:26:26 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r1) sendmsg$NBD_CMD_DISCONNECT(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f00000004c0)=ANY=[@ANYBLOB='l\x00\x00\x00', @ANYBLOB="01002dbd7000fddbdf25020000000c00030001000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32], 0x6c}, 0x1, 0x0, 0x0, 0x80000}, 0x80) 12:26:26 executing program 0: syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) socket$inet6_udp(0xa, 0x2, 0x0) r0 = socket$netlink(0x10, 0x3, 0x7) sendmsg$TIPC_CMD_SET_NETID(r0, &(0x7f0000000d80)={0x0, 0x0, &(0x7f0000000d40)={&(0x7f0000000d00)={0x24, 0x0, 0x0, 0x0, 0x0, {{}, {}, {0x8}}}, 0x24}, 0x1, 0x0, 0x0, 0x1}, 0x0) [ 347.004647] nbd: couldn't find device at index -1 12:26:26 executing program 3: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) bpf$BPF_BTF_GET_FD_BY_ID(0x13, &(0x7f0000000040)=0xffffffffffffffff, 0x4) ioctl$NBD_SET_SOCK(r0, 0xab00, 0xffffffffffffffff) 12:26:26 executing program 4: socket$isdn(0x22, 0x3, 0x21) r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) r1 = socket$unix(0x1, 0x2, 0x0) sendmsg$unix(r1, &(0x7f00000003c0)={&(0x7f0000000040)=@abs={0x0, 0x0, 0x4e21}, 0x6e, &(0x7f0000000380)=[{&(0x7f00000000c0)="196bbd10d648e15729cdc3ab0d41585a532fa0372390c9c585b651ee01d26e362b", 0x21}, {&(0x7f0000000100)="57266ecb72a84ebf98a747bea4800dae8bc0a77c5545da4c273632b4b9148d27e9e60ac6029fb3cf40f7f59a3139022ad4ed338d48696aada3950f5e59c9c9b4d691c9c50ae3abd06354b76ccf925c1f043b5e6b9e203077b60da79f02060e137a01dc85ebfc20cbead073dd480851fb616bcaa89fb6e8ac0b", 0x79}, {&(0x7f0000000180)="6b8562e466a3bb7fe2e49db0d232d25582814995b701ed11d8f7808d3bef72dd2934bd12762b24da70431b0ea5f2bab4fe21e1867fbdac22bda0e0f9d9ab4510a81e135dc744a94106ae077ed4f9e1e876cf921f441c72d1a70bc174f0dd08094b1509112d03dda16e047de611ca5a84aa043e1d3c090019f9d111ca41893bcdb4a686fbbbac8f223e15a4531726d868579c896ba9ded0009f2aa93a739c7323dfea81d1f90e392701cf5f2a5e6d1a2ba85c8edbe7e3cb0bb62bfd39505308f9335218d20099b59ab36237650e0cb87e000b59bc1021079667b108134a9585ee0673022d7891a69f9916bdb47275dd878dfac1ea935d7edccad77a1e79", 0xfd}, {&(0x7f0000000280)="fe9d6561e4117d832c201dc0cfc0366cf7d03d4d7b1e3dc4f3babf671104ae493e8ce10ce297d7b34cbbb13d564ca9ff63d6d4c864ea042ea2567785019528b7b5b8c5136bb84bc1b0299921c604e73154ac2fd15fa1c165a7376cf4d631975b75eb3457565f5c410632d6c4c05ddede7be5d0fb5ea27809cb9b2d2e49dd236d7304016d680212730c6640ff6828689349c1e9d119d18119cd66188e150cf32cbd778ca3080f0b1d9180c74203341b3fd6828a32a93a2c9c1ef1381801e28e3496666c6424c83bf4d97ad60a", 0xcc}], 0x4}, 0x4000) ioctl$NBD_SET_SOCK(r0, 0xab00, 0xffffffffffffffff) [ 347.039839] nbd: couldn't find device at index -1 12:26:26 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f00000001c0)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x100000}, 0xc, &(0x7f0000000180)={&(0x7f0000000080)={0x70, 0x0, 0x410, 0x70bd29, 0x25dfdbfb, {}, [@NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x6fc}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x1}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x9}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x6}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x800}, @NBD_ATTR_BACKEND_IDENTIFIER={0x7, 0xa, '#@]'}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x9}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x5}]}, 0x70}, 0x1, 0x0, 0x0, 0x20008094}, 0x40000) sendmsg$NL802154_CMD_SET_CCA_MODE(r0, &(0x7f0000000480)={&(0x7f0000000380)={0x10, 0x0, 0x0, 0x200000}, 0xc, &(0x7f0000000440)={&(0x7f00000003c0)={0x58, 0x0, 0x300, 0x70bd29, 0x25dfdbfe, {}, [@NL802154_ATTR_WPAN_PHY={0x8}, @NL802154_ATTR_CCA_OPT={0x8, 0xd, 0x1}, @NL802154_ATTR_WPAN_DEV={0xc, 0x6, 0x100000001}, @NL802154_ATTR_WPAN_DEV={0xc}, @NL802154_ATTR_CCA_MODE={0x8, 0xc, 0x6}, @NL802154_ATTR_WPAN_DEV={0xc, 0x6, 0x200000002}, @NL802154_ATTR_IFINDEX={0x8}]}, 0x58}, 0x1, 0x0, 0x0, 0x4000010}, 0x4000) r2 = openat$null(0xffffffffffffff9c, &(0x7f0000000240), 0x0, 0x0) sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f0000000340)={&(0x7f0000000200)={0x10, 0x0, 0x0, 0x800}, 0xc, &(0x7f0000000300)={&(0x7f0000000280)={0x54, 0x0, 0x200, 0x70bd27, 0x25dfdbff, {}, [@NBD_ATTR_BACKEND_IDENTIFIER={0x17, 0xa, ')@\\\xa1/\x95{\':*.]\b$}%(r&'}, @NBD_ATTR_SOCKETS={0x1c, 0x7, 0x0, 0x1, [{0x8}, {0x8, 0x1, r2}, {0x8}]}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}]}, 0x54}, 0x1, 0x0, 0x0, 0x41}, 0x4000000) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r3) sendmsg$NBD_CMD_DISCONNECT(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f00000004c0)=ANY=[], 0x6c}}, 0x0) 12:26:26 executing program 5: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0xa8a200) ioctl$NBD_SET_SOCK(r0, 0xab00, 0xffffffffffffffff) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) r2 = openat$null(0xffffffffffffff9c, 0x0, 0x0, 0x0) mmap$perf(&(0x7f0000ffe000/0x2000)=nil, 0x2000, 0x0, 0x10, r2, 0x0) r3 = syz_open_dev$ndb(&(0x7f0000000080), 0x0, 0x2) ioctl$NBD_SET_SOCK(r3, 0xab00, r1) [ 347.099197] block nbd5: shutting down sockets 12:26:26 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r1) sendmsg$NBD_CMD_DISCONNECT(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000000)=ANY=[@ANYBLOB='l\x00\x00\x00', @ANYRES16=r2, @ANYBLOB="01002dbd7000fddbdf25020000000c00030001000100", @ANYRES32, @ANYBLOB="0800014036ece36e359549877f56ad75273423ebf727", @ANYRES32=r1, @ANYBLOB], 0x6c}}, 0x0) 12:26:26 executing program 0: syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) socket$inet6_udp(0xa, 0x2, 0x0) socket$netlink(0x10, 0x3, 0x7) 12:26:26 executing program 3: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) bpf$BPF_BTF_GET_FD_BY_ID(0x13, &(0x7f0000000040)=0xffffffffffffffff, 0x4) (async) ioctl$NBD_SET_SOCK(r0, 0xab00, 0xffffffffffffffff) 12:26:26 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f00000001c0)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x100000}, 0xc, &(0x7f0000000180)={&(0x7f0000000080)={0x70, 0x0, 0x410, 0x70bd29, 0x25dfdbfb, {}, [@NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x6fc}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x1}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x9}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x6}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x800}, @NBD_ATTR_BACKEND_IDENTIFIER={0x7, 0xa, '#@]'}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x9}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x5}]}, 0x70}, 0x1, 0x0, 0x0, 0x20008094}, 0x40000) (async) sendmsg$NL802154_CMD_SET_CCA_MODE(r0, &(0x7f0000000480)={&(0x7f0000000380)={0x10, 0x0, 0x0, 0x200000}, 0xc, &(0x7f0000000440)={&(0x7f00000003c0)={0x58, 0x0, 0x300, 0x70bd29, 0x25dfdbfe, {}, [@NL802154_ATTR_WPAN_PHY={0x8}, @NL802154_ATTR_CCA_OPT={0x8, 0xd, 0x1}, @NL802154_ATTR_WPAN_DEV={0xc, 0x6, 0x100000001}, @NL802154_ATTR_WPAN_DEV={0xc}, @NL802154_ATTR_CCA_MODE={0x8, 0xc, 0x6}, @NL802154_ATTR_WPAN_DEV={0xc, 0x6, 0x200000002}, @NL802154_ATTR_IFINDEX={0x8}]}, 0x58}, 0x1, 0x0, 0x0, 0x4000010}, 0x4000) (async) r2 = openat$null(0xffffffffffffff9c, &(0x7f0000000240), 0x0, 0x0) sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f0000000340)={&(0x7f0000000200)={0x10, 0x0, 0x0, 0x800}, 0xc, &(0x7f0000000300)={&(0x7f0000000280)={0x54, 0x0, 0x200, 0x70bd27, 0x25dfdbff, {}, [@NBD_ATTR_BACKEND_IDENTIFIER={0x17, 0xa, ')@\\\xa1/\x95{\':*.]\b$}%(r&'}, @NBD_ATTR_SOCKETS={0x1c, 0x7, 0x0, 0x1, [{0x8}, {0x8, 0x1, r2}, {0x8}]}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}]}, 0x54}, 0x1, 0x0, 0x0, 0x41}, 0x4000000) (async) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r3) sendmsg$NBD_CMD_DISCONNECT(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f00000004c0)=ANY=[], 0x6c}}, 0x0) 12:26:26 executing program 4: socket$isdn(0x22, 0x3, 0x21) syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) r0 = socket$unix(0x1, 0x2, 0x0) sendmsg$unix(r0, &(0x7f00000003c0)={&(0x7f0000000040)=@abs={0x0, 0x0, 0x4e21}, 0x6e, &(0x7f0000000380)=[{&(0x7f00000000c0)="196bbd10d648e15729cdc3ab0d41585a532fa0372390c9c585b651ee01d26e362b", 0x21}, {&(0x7f0000000100)="57266ecb72a84ebf98a747bea4800dae8bc0a77c5545da4c273632b4b9148d27e9e60ac6029fb3cf40f7f59a3139022ad4ed338d48696aada3950f5e59c9c9b4d691c9c50ae3abd06354b76ccf925c1f043b5e6b9e203077b60da79f02060e137a01dc85ebfc20cbead073dd480851fb616bcaa89fb6e8ac0b", 0x79}, {&(0x7f0000000180)="6b8562e466a3bb7fe2e49db0d232d25582814995b701ed11d8f7808d3bef72dd2934bd12762b24da70431b0ea5f2bab4fe21e1867fbdac22bda0e0f9d9ab4510a81e135dc744a94106ae077ed4f9e1e876cf921f441c72d1a70bc174f0dd08094b1509112d03dda16e047de611ca5a84aa043e1d3c090019f9d111ca41893bcdb4a686fbbbac8f223e15a4531726d868579c896ba9ded0009f2aa93a739c7323dfea81d1f90e392701cf5f2a5e6d1a2ba85c8edbe7e3cb0bb62bfd39505308f9335218d20099b59ab36237650e0cb87e000b59bc1021079667b108134a9585ee0673022d7891a69f9916bdb47275dd878dfac1ea935d7edccad77a1e79", 0xfd}, {&(0x7f0000000280)="fe9d6561e4117d832c201dc0cfc0366cf7d03d4d7b1e3dc4f3babf671104ae493e8ce10ce297d7b34cbbb13d564ca9ff63d6d4c864ea042ea2567785019528b7b5b8c5136bb84bc1b0299921c604e73154ac2fd15fa1c165a7376cf4d631975b75eb3457565f5c410632d6c4c05ddede7be5d0fb5ea27809cb9b2d2e49dd236d7304016d680212730c6640ff6828689349c1e9d119d18119cd66188e150cf32cbd778ca3080f0b1d9180c74203341b3fd6828a32a93a2c9c1ef1381801e28e3496666c6424c83bf4d97ad60a", 0xcc}], 0x4}, 0x4000) 12:26:26 executing program 5: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0xa8a200) ioctl$NBD_SET_SOCK(r0, 0xab00, 0xffffffffffffffff) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)) r1 = openat$null(0xffffffffffffff9c, 0x0, 0x0, 0x0) mmap$perf(&(0x7f0000ffe000/0x2000)=nil, 0x2000, 0x0, 0x10, r1, 0x0) syz_open_dev$ndb(&(0x7f0000000080), 0x0, 0x2) [ 347.259092] block nbd5: shutting down sockets 12:26:26 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f00000001c0)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x100000}, 0xc, &(0x7f0000000180)={&(0x7f0000000080)={0x70, 0x0, 0x410, 0x70bd29, 0x25dfdbfb, {}, [@NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x6fc}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x1}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x9}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x6}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x800}, @NBD_ATTR_BACKEND_IDENTIFIER={0x7, 0xa, '#@]'}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x9}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x5}]}, 0x70}, 0x1, 0x0, 0x0, 0x20008094}, 0x40000) sendmsg$NL802154_CMD_SET_CCA_MODE(r0, &(0x7f0000000480)={&(0x7f0000000380)={0x10, 0x0, 0x0, 0x200000}, 0xc, &(0x7f0000000440)={&(0x7f00000003c0)={0x58, 0x0, 0x300, 0x70bd29, 0x25dfdbfe, {}, [@NL802154_ATTR_WPAN_PHY={0x8}, @NL802154_ATTR_CCA_OPT={0x8, 0xd, 0x1}, @NL802154_ATTR_WPAN_DEV={0xc, 0x6, 0x100000001}, @NL802154_ATTR_WPAN_DEV={0xc}, @NL802154_ATTR_CCA_MODE={0x8, 0xc, 0x6}, @NL802154_ATTR_WPAN_DEV={0xc, 0x6, 0x200000002}, @NL802154_ATTR_IFINDEX={0x8}]}, 0x58}, 0x1, 0x0, 0x0, 0x4000010}, 0x4000) r2 = openat$null(0xffffffffffffff9c, &(0x7f0000000240), 0x0, 0x0) sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f0000000340)={&(0x7f0000000200)={0x10, 0x0, 0x0, 0x800}, 0xc, &(0x7f0000000300)={&(0x7f0000000280)={0x54, 0x0, 0x200, 0x70bd27, 0x25dfdbff, {}, [@NBD_ATTR_BACKEND_IDENTIFIER={0x17, 0xa, ')@\\\xa1/\x95{\':*.]\b$}%(r&'}, @NBD_ATTR_SOCKETS={0x1c, 0x7, 0x0, 0x1, [{0x8}, {0x8, 0x1, r2}, {0x8}]}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}]}, 0x54}, 0x1, 0x0, 0x0, 0x41}, 0x4000000) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r3) sendmsg$NBD_CMD_DISCONNECT(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f00000004c0)=ANY=[], 0x6c}}, 0x0) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f00000001c0)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x100000}, 0xc, &(0x7f0000000180)={&(0x7f0000000080)={0x70, 0x0, 0x410, 0x70bd29, 0x25dfdbfb, {}, [@NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x6fc}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x1}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x9}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x6}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x800}, @NBD_ATTR_BACKEND_IDENTIFIER={0x7, 0xa, '#@]'}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x9}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x5}]}, 0x70}, 0x1, 0x0, 0x0, 0x20008094}, 0x40000) (async) sendmsg$NL802154_CMD_SET_CCA_MODE(r0, &(0x7f0000000480)={&(0x7f0000000380)={0x10, 0x0, 0x0, 0x200000}, 0xc, &(0x7f0000000440)={&(0x7f00000003c0)={0x58, 0x0, 0x300, 0x70bd29, 0x25dfdbfe, {}, [@NL802154_ATTR_WPAN_PHY={0x8}, @NL802154_ATTR_CCA_OPT={0x8, 0xd, 0x1}, @NL802154_ATTR_WPAN_DEV={0xc, 0x6, 0x100000001}, @NL802154_ATTR_WPAN_DEV={0xc}, @NL802154_ATTR_CCA_MODE={0x8, 0xc, 0x6}, @NL802154_ATTR_WPAN_DEV={0xc, 0x6, 0x200000002}, @NL802154_ATTR_IFINDEX={0x8}]}, 0x58}, 0x1, 0x0, 0x0, 0x4000010}, 0x4000) (async) openat$null(0xffffffffffffff9c, &(0x7f0000000240), 0x0, 0x0) (async) sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f0000000340)={&(0x7f0000000200)={0x10, 0x0, 0x0, 0x800}, 0xc, &(0x7f0000000300)={&(0x7f0000000280)={0x54, 0x0, 0x200, 0x70bd27, 0x25dfdbff, {}, [@NBD_ATTR_BACKEND_IDENTIFIER={0x17, 0xa, ')@\\\xa1/\x95{\':*.]\b$}%(r&'}, @NBD_ATTR_SOCKETS={0x1c, 0x7, 0x0, 0x1, [{0x8}, {0x8, 0x1, r2}, {0x8}]}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}]}, 0x54}, 0x1, 0x0, 0x0, 0x41}, 0x4000000) (async) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r3) (async) sendmsg$NBD_CMD_DISCONNECT(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f00000004c0)=ANY=[], 0x6c}}, 0x0) (async) 12:26:26 executing program 0: syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) socket$inet6_udp(0xa, 0x2, 0x0) 12:26:26 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r1) sendmsg$NBD_CMD_DISCONNECT(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000000)=ANY=[@ANYBLOB='l\x00\x00\x00', @ANYRES16=r2, @ANYBLOB="01002dbd7000fddbdf25020000000c00030001000100", @ANYRES32, @ANYBLOB="0800014036ece36e359549877f56ad75273423ebf727", @ANYRES32=r1, @ANYBLOB], 0x6c}}, 0x0) 12:26:26 executing program 4: socket$isdn(0x22, 0x3, 0x21) syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) sendmsg$unix(0xffffffffffffffff, &(0x7f00000003c0)={&(0x7f0000000040)=@abs={0x0, 0x0, 0x4e21}, 0x6e, &(0x7f0000000380)=[{&(0x7f00000000c0)="196bbd10d648e15729cdc3ab0d41585a532fa0372390c9c585b651ee01d26e362b", 0x21}, {&(0x7f0000000100)="57266ecb72a84ebf98a747bea4800dae8bc0a77c5545da4c273632b4b9148d27e9e60ac6029fb3cf40f7f59a3139022ad4ed338d48696aada3950f5e59c9c9b4d691c9c50ae3abd06354b76ccf925c1f043b5e6b9e203077b60da79f02060e137a01dc85ebfc20cbead073dd480851fb616bcaa89fb6e8ac0b", 0x79}, {&(0x7f0000000180)="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", 0xfd}, {&(0x7f0000000280)="fe9d6561e4117d832c201dc0cfc0366cf7d03d4d7b1e3dc4f3babf671104ae493e8ce10ce297d7b34cbbb13d564ca9ff63d6d4c864ea042ea2567785019528b7b5b8c5136bb84bc1b0299921c604e73154ac2fd15fa1c165a7376cf4d631975b75eb3457565f5c410632d6c4c05ddede7be5d0fb5ea27809cb9b2d2e49dd236d7304016d680212730c6640ff6828689349c1e9d119d18119cd66188e150cf32cbd778ca3080f0b1d9180c74203341b3fd6828a32a93a2c9c1ef1381801e28e3496666c6424c83bf4d97ad60a", 0xcc}], 0x4}, 0x4000) 12:26:26 executing program 3: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) bpf$BPF_BTF_GET_FD_BY_ID(0x13, &(0x7f0000000040)=0xffffffffffffffff, 0x4) ioctl$NBD_SET_SOCK(r0, 0xab00, 0xffffffffffffffff) [ 347.297642] nbd: couldn't find device at index 1860430902 12:26:26 executing program 5: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0xa8a200) ioctl$NBD_SET_SOCK(r0, 0xab00, 0xffffffffffffffff) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)) r1 = openat$null(0xffffffffffffff9c, 0x0, 0x0, 0x0) mmap$perf(&(0x7f0000ffe000/0x2000)=nil, 0x2000, 0x0, 0x10, r1, 0x0) 12:26:27 executing program 0: socket$inet6_udp(0xa, 0x2, 0x0) 12:26:27 executing program 3: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r3 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r1) sendmsg$NBD_CMD_DISCONNECT(r2, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000080)={0x14, r3, 0x1}, 0x14}, 0x1, 0x0, 0x0, 0x40000c5}, 0x0) sendmsg$NBD_CMD_CONNECT(0xffffffffffffffff, &(0x7f0000000100)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x10000}, 0xc, &(0x7f00000000c0)={&(0x7f0000000080)={0x2c, r3, 0x400, 0x70bd25, 0x25dfdbfc, {}, [@NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x400}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x8000000000000001}]}, 0x2c}, 0x1, 0x0, 0x0, 0x20004005}, 0x14040) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f00000001c0)={0xffffffffffffffff}) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000002c0)={&(0x7f0000000180)={0x10, 0x0, 0x0, 0x1000000}, 0xc, &(0x7f0000000280)={&(0x7f0000000200)={0x58, r3, 0x20, 0x70bd26, 0x25dfdbfd, {}, [@NBD_ATTR_BACKEND_IDENTIFIER={0x8, 0xa, '{:%^'}, @NBD_ATTR_SOCKETS={0x3c, 0x7, 0x0, 0x1, [{0x8, 0x1, r4}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}]}, 0x58}, 0x1, 0x0, 0x0, 0x20000000}, 0x80) ioctl$NBD_SET_SOCK(r0, 0xab00, 0xffffffffffffffff) r5 = syz_genetlink_get_family_id$tipc(&(0x7f0000000340), 0xffffffffffffffff) sendmsg$TIPC_CMD_SHOW_LINK_STATS(0xffffffffffffffff, &(0x7f0000000400)={&(0x7f0000000300)={0x10, 0x0, 0x0, 0x80000}, 0xc, &(0x7f00000003c0)={&(0x7f0000000380)={0x28, r5, 0x400, 0x70bd2a, 0x25dfdbfe, {{}, {}, {0xc, 0x14, 'syz0\x00'}}, ["", "", "", ""]}, 0x28}, 0x1, 0x0, 0x0, 0x4}, 0x20008010) 12:26:27 executing program 4: socket$isdn(0x22, 0x3, 0x21) syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) sendmsg$unix(0xffffffffffffffff, &(0x7f00000003c0)={&(0x7f0000000040)=@abs={0x0, 0x0, 0x4e21}, 0x6e, &(0x7f0000000380)=[{&(0x7f00000000c0)="196bbd10d648e15729cdc3ab0d41585a532fa0372390c9c585b651ee01d26e362b", 0x21}, {&(0x7f0000000100)="57266ecb72a84ebf98a747bea4800dae8bc0a77c5545da4c273632b4b9148d27e9e60ac6029fb3cf40f7f59a3139022ad4ed338d48696aada3950f5e59c9c9b4d691c9c50ae3abd06354b76ccf925c1f043b5e6b9e203077b60da79f02060e137a01dc85ebfc20cbead073dd480851fb616bcaa89fb6e8ac0b", 0x79}, {&(0x7f0000000180)="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", 0xfd}, {&(0x7f0000000280)="fe9d6561e4117d832c201dc0cfc0366cf7d03d4d7b1e3dc4f3babf671104ae493e8ce10ce297d7b34cbbb13d564ca9ff63d6d4c864ea042ea2567785019528b7b5b8c5136bb84bc1b0299921c604e73154ac2fd15fa1c165a7376cf4d631975b75eb3457565f5c410632d6c4c05ddede7be5d0fb5ea27809cb9b2d2e49dd236d7304016d680212730c6640ff6828689349c1e9d119d18119cd66188e150cf32cbd778ca3080f0b1d9180c74203341b3fd6828a32a93a2c9c1ef1381801e28e3496666c6424c83bf4d97ad60a", 0xcc}], 0x4}, 0x4000) 12:26:27 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r1) openat$khugepaged_scan(0xffffffffffffff9c, &(0x7f0000000080), 0x1, 0x0) sendmsg$NBD_CMD_DISCONNECT(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f00000004c0)=ANY=[@ANYBLOB='l\x00\x00\x00', @ANYRES16=r2, @ANYBLOB="01002dbd7000fddbd91043b4a7e0bcf6030001000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB], 0x6c}}, 0x0) [ 347.440339] nbd: couldn't find device at index 1860430902 12:26:27 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r1) sendmsg$NBD_CMD_DISCONNECT(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000000)=ANY=[@ANYBLOB='l\x00\x00\x00', @ANYRES16=r2, @ANYBLOB="01002dbd7000fddbdf25020000000c00030001000100", @ANYRES32, @ANYBLOB="0800014036ece36e359549877f56ad75273423ebf727", @ANYRES32=r1, @ANYBLOB], 0x6c}}, 0x0) 12:26:27 executing program 5: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0xa8a200) ioctl$NBD_SET_SOCK(r0, 0xab00, 0xffffffffffffffff) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)) openat$null(0xffffffffffffff9c, 0x0, 0x0, 0x0) 12:26:27 executing program 4: socket$isdn(0x22, 0x3, 0x21) syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) sendmsg$unix(0xffffffffffffffff, &(0x7f00000003c0)={&(0x7f0000000040)=@abs={0x0, 0x0, 0x4e21}, 0x6e, &(0x7f0000000380)=[{&(0x7f00000000c0)="196bbd10d648e15729cdc3ab0d41585a532fa0372390c9c585b651ee01d26e362b", 0x21}, {&(0x7f0000000100)="57266ecb72a84ebf98a747bea4800dae8bc0a77c5545da4c273632b4b9148d27e9e60ac6029fb3cf40f7f59a3139022ad4ed338d48696aada3950f5e59c9c9b4d691c9c50ae3abd06354b76ccf925c1f043b5e6b9e203077b60da79f02060e137a01dc85ebfc20cbead073dd480851fb616bcaa89fb6e8ac0b", 0x79}, {&(0x7f0000000180)="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", 0xfd}, {&(0x7f0000000280)="fe9d6561e4117d832c201dc0cfc0366cf7d03d4d7b1e3dc4f3babf671104ae493e8ce10ce297d7b34cbbb13d564ca9ff63d6d4c864ea042ea2567785019528b7b5b8c5136bb84bc1b0299921c604e73154ac2fd15fa1c165a7376cf4d631975b75eb3457565f5c410632d6c4c05ddede7be5d0fb5ea27809cb9b2d2e49dd236d7304016d680212730c6640ff6828689349c1e9d119d18119cd66188e150cf32cbd778ca3080f0b1d9180c74203341b3fd6828a32a93a2c9c1ef1381801e28e3496666c6424c83bf4d97ad60a", 0xcc}], 0x4}, 0x4000) 12:26:27 executing program 0: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, 0xffffffffffffffff) syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x24000) 12:26:27 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r1) (async) openat$khugepaged_scan(0xffffffffffffff9c, &(0x7f0000000080), 0x1, 0x0) sendmsg$NBD_CMD_DISCONNECT(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f00000004c0)=ANY=[@ANYBLOB='l\x00\x00\x00', @ANYRES16=r2, @ANYBLOB="01002dbd7000fddbd91043b4a7e0bcf6030001000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB], 0x6c}}, 0x0) [ 347.562569] nbd: must specify an index to disconnect 12:26:27 executing program 3: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) r3 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r1) sendmsg$NBD_CMD_DISCONNECT(r2, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000080)={0x14, r3, 0x1}, 0x14}, 0x1, 0x0, 0x0, 0x40000c5}, 0x0) (async) sendmsg$NBD_CMD_CONNECT(0xffffffffffffffff, &(0x7f0000000100)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x10000}, 0xc, &(0x7f00000000c0)={&(0x7f0000000080)={0x2c, r3, 0x400, 0x70bd25, 0x25dfdbfc, {}, [@NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x400}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x8000000000000001}]}, 0x2c}, 0x1, 0x0, 0x0, 0x20004005}, 0x14040) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f00000001c0)={0xffffffffffffffff}) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000002c0)={&(0x7f0000000180)={0x10, 0x0, 0x0, 0x1000000}, 0xc, &(0x7f0000000280)={&(0x7f0000000200)={0x58, r3, 0x20, 0x70bd26, 0x25dfdbfd, {}, [@NBD_ATTR_BACKEND_IDENTIFIER={0x8, 0xa, '{:%^'}, @NBD_ATTR_SOCKETS={0x3c, 0x7, 0x0, 0x1, [{0x8, 0x1, r4}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}]}, 0x58}, 0x1, 0x0, 0x0, 0x20000000}, 0x80) ioctl$NBD_SET_SOCK(r0, 0xab00, 0xffffffffffffffff) (async) r5 = syz_genetlink_get_family_id$tipc(&(0x7f0000000340), 0xffffffffffffffff) sendmsg$TIPC_CMD_SHOW_LINK_STATS(0xffffffffffffffff, &(0x7f0000000400)={&(0x7f0000000300)={0x10, 0x0, 0x0, 0x80000}, 0xc, &(0x7f00000003c0)={&(0x7f0000000380)={0x28, r5, 0x400, 0x70bd2a, 0x25dfdbfe, {{}, {}, {0xc, 0x14, 'syz0\x00'}}, ["", "", "", ""]}, 0x28}, 0x1, 0x0, 0x0, 0x4}, 0x20008010) 12:26:27 executing program 5: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0xa8a200) ioctl$NBD_SET_SOCK(r0, 0xab00, 0xffffffffffffffff) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)) 12:26:27 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_DISCONNECT(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000000)=ANY=[@ANYBLOB='l\x00\x00\x00', @ANYRES16, @ANYBLOB="01002dbd7000fddbdf25020000000c00030001000100", @ANYRES32, @ANYBLOB="0800014036ece36e359549877f56ad75273423ebf727", @ANYRES32=r1, @ANYBLOB], 0x6c}}, 0x0) 12:26:27 executing program 4: socket$isdn(0x22, 0x3, 0x21) r0 = socket$unix(0x1, 0x2, 0x0) sendmsg$unix(r0, &(0x7f00000003c0)={&(0x7f0000000040)=@abs={0x0, 0x0, 0x4e21}, 0x6e, &(0x7f0000000380)=[{&(0x7f00000000c0)="196bbd10d648e15729cdc3ab0d41585a532fa0372390c9c585b651ee01d26e362b", 0x21}, {&(0x7f0000000100)="57266ecb72a84ebf98a747bea4800dae8bc0a77c5545da4c273632b4b9148d27e9e60ac6029fb3cf40f7f59a3139022ad4ed338d48696aada3950f5e59c9c9b4d691c9c50ae3abd06354b76ccf925c1f043b5e6b9e203077b60da79f02060e137a01dc85ebfc20cbead073dd480851fb616bcaa89fb6e8ac0b", 0x79}, {&(0x7f0000000180)="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", 0xfd}, {&(0x7f0000000280)="fe9d6561e4117d832c201dc0cfc0366cf7d03d4d7b1e3dc4f3babf671104ae493e8ce10ce297d7b34cbbb13d564ca9ff63d6d4c864ea042ea2567785019528b7b5b8c5136bb84bc1b0299921c604e73154ac2fd15fa1c165a7376cf4d631975b75eb3457565f5c410632d6c4c05ddede7be5d0fb5ea27809cb9b2d2e49dd236d7304016d680212730c6640ff6828689349c1e9d119d18119cd66188e150cf32cbd778ca3080f0b1d9180c74203341b3fd6828a32a93a2c9c1ef1381801e28e3496666c6424c83bf4d97ad60a", 0xcc}], 0x4}, 0x4000) 12:26:27 executing program 0: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, 0xffffffffffffffff) syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x24000) [ 347.612687] nbd: couldn't find device at index 1860430902 12:26:27 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r1) openat$khugepaged_scan(0xffffffffffffff9c, &(0x7f0000000080), 0x1, 0x0) (async) sendmsg$NBD_CMD_DISCONNECT(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f00000004c0)=ANY=[@ANYBLOB='l\x00\x00\x00', @ANYRES16=r2, @ANYBLOB="01002dbd7000fddbd91043b4a7e0bcf6030001000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB], 0x6c}}, 0x0) 12:26:27 executing program 5: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0xa8a200) ioctl$NBD_SET_SOCK(r0, 0xab00, 0xffffffffffffffff) 12:26:27 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_DISCONNECT(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000000)=ANY=[@ANYBLOB='l\x00\x00\x00', @ANYRES16, @ANYBLOB="01002dbd7000fddbdf25020000000c00030001000100", @ANYRES32, @ANYBLOB="0800014036ece36e359549877f56ad75273423ebf727", @ANYRES32=r1, @ANYBLOB], 0x6c}}, 0x0) 12:26:27 executing program 3: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) (async) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) r3 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r1) sendmsg$NBD_CMD_DISCONNECT(r2, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000080)={0x14, r3, 0x1}, 0x14}, 0x1, 0x0, 0x0, 0x40000c5}, 0x0) sendmsg$NBD_CMD_CONNECT(0xffffffffffffffff, &(0x7f0000000100)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x10000}, 0xc, &(0x7f00000000c0)={&(0x7f0000000080)={0x2c, r3, 0x400, 0x70bd25, 0x25dfdbfc, {}, [@NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x400}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x8000000000000001}]}, 0x2c}, 0x1, 0x0, 0x0, 0x20004005}, 0x14040) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f00000001c0)={0xffffffffffffffff}) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000002c0)={&(0x7f0000000180)={0x10, 0x0, 0x0, 0x1000000}, 0xc, &(0x7f0000000280)={&(0x7f0000000200)={0x58, r3, 0x20, 0x70bd26, 0x25dfdbfd, {}, [@NBD_ATTR_BACKEND_IDENTIFIER={0x8, 0xa, '{:%^'}, @NBD_ATTR_SOCKETS={0x3c, 0x7, 0x0, 0x1, [{0x8, 0x1, r4}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}]}, 0x58}, 0x1, 0x0, 0x0, 0x20000000}, 0x80) ioctl$NBD_SET_SOCK(r0, 0xab00, 0xffffffffffffffff) r5 = syz_genetlink_get_family_id$tipc(&(0x7f0000000340), 0xffffffffffffffff) sendmsg$TIPC_CMD_SHOW_LINK_STATS(0xffffffffffffffff, &(0x7f0000000400)={&(0x7f0000000300)={0x10, 0x0, 0x0, 0x80000}, 0xc, &(0x7f00000003c0)={&(0x7f0000000380)={0x28, r5, 0x400, 0x70bd2a, 0x25dfdbfe, {{}, {}, {0xc, 0x14, 'syz0\x00'}}, ["", "", "", ""]}, 0x28}, 0x1, 0x0, 0x0, 0x4}, 0x20008010) 12:26:27 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r1) sendmsg$NBD_CMD_DISCONNECT(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f00000004c0)=ANY=[@ANYBLOB="6c00d36a", @ANYRES16=r2, @ANYBLOB="01002dbd7000fddbdf25020000000c00030001000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB], 0x6c}}, 0x0) 12:26:27 executing program 0: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, 0xffffffffffffffff) syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x24000) 12:26:27 executing program 4: r0 = socket$unix(0x1, 0x2, 0x0) sendmsg$unix(r0, &(0x7f00000003c0)={&(0x7f0000000040)=@abs={0x0, 0x0, 0x4e21}, 0x6e, &(0x7f0000000380)=[{&(0x7f00000000c0)="196bbd10d648e15729cdc3ab0d41585a532fa0372390c9c585b651ee01d26e362b", 0x21}, {&(0x7f0000000100)="57266ecb72a84ebf98a747bea4800dae8bc0a77c5545da4c273632b4b9148d27e9e60ac6029fb3cf40f7f59a3139022ad4ed338d48696aada3950f5e59c9c9b4d691c9c50ae3abd06354b76ccf925c1f043b5e6b9e203077b60da79f02060e137a01dc85ebfc20cbead073dd480851fb616bcaa89fb6e8ac0b", 0x79}, {&(0x7f0000000180)="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", 0xfd}, {&(0x7f0000000280)="fe9d6561e4117d832c201dc0cfc0366cf7d03d4d7b1e3dc4f3babf671104ae493e8ce10ce297d7b34cbbb13d564ca9ff63d6d4c864ea042ea2567785019528b7b5b8c5136bb84bc1b0299921c604e73154ac2fd15fa1c165a7376cf4d631975b75eb3457565f5c410632d6c4c05ddede7be5d0fb5ea27809cb9b2d2e49dd236d7304016d680212730c6640ff6828689349c1e9d119d18119cd66188e150cf32cbd778ca3080f0b1d9180c74203341b3fd6828a32a93a2c9c1ef1381801e28e3496666c6424c83bf4d97ad60a", 0xcc}], 0x4}, 0x4000) 12:26:27 executing program 5: ioctl$NBD_SET_SOCK(0xffffffffffffffff, 0xab00, 0xffffffffffffffff) 12:26:27 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r1) sendmsg$NBD_CMD_DISCONNECT(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f00000004c0)=ANY=[@ANYBLOB="6c00d36a", @ANYRES16=r2, @ANYBLOB="01002dbd7000fddbdf25020000000c00030001000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB], 0x6c}}, 0x0) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r1) (async) sendmsg$NBD_CMD_DISCONNECT(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f00000004c0)=ANY=[@ANYBLOB="6c00d36a", @ANYRES16=r2, @ANYBLOB="01002dbd7000fddbdf25020000000c00030001000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB], 0x6c}}, 0x0) (async) 12:26:27 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_DISCONNECT(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000000)=ANY=[@ANYBLOB='l\x00\x00\x00', @ANYRES16, @ANYBLOB="01002dbd7000fddbdf25020000000c00030001000100", @ANYRES32, @ANYBLOB="0800014036ece36e359549877f56ad75273423ebf727", @ANYRES32=r1, @ANYBLOB], 0x6c}}, 0x0) [ 347.825745] nbd: must specify an index to disconnect 12:26:27 executing program 5: ioctl$NBD_SET_SOCK(0xffffffffffffffff, 0xab00, 0xffffffffffffffff) 12:26:27 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) ioctl$sock_SIOCGIFINDEX_802154(0xffffffffffffffff, 0x8933, &(0x7f0000000080)={'wpan4\x00', 0x0}) sendmsg$NL802154_CMD_NEW_SEC_KEY(r1, &(0x7f00000001c0)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x400000}, 0xc, &(0x7f0000000180)={&(0x7f0000000100)=ANY=[@ANYBLOB="80000000", @ANYRES16=0x0, @ANYBLOB="00022dbd7000fedbdf251700000064002580140004006d466aa49f2e1e7e96adb2e5776c07d81400040016a50654eb4b67f9c2ef0c31f4f149a114000400acaf57ad004c4e3828ed301df33c3e1b1ccdfe12d4e8cffb5d000000080004000000000008000400080000000500020080000000080003", @ANYRES32=r2, @ANYBLOB], 0x80}, 0x1, 0x0, 0x0, 0x8001}, 0x400c000) ioctl$sock_SIOCGIFINDEX_802154(r0, 0x8933, &(0x7f0000000040)={'wpan0\x00', 0x0}) ioctl$sock_SIOCGIFINDEX_802154(r0, 0x8933, &(0x7f00000000c0)={'wpan0\x00', 0x0}) r5 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NL802154_CMD_SET_CCA_ED_LEVEL(r5, &(0x7f0000000b40)={&(0x7f0000000a80), 0xc, &(0x7f0000000b00)={&(0x7f0000000ac0)={0x14, 0x0, 0x1}, 0x14}}, 0x0) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r6 = syz_genetlink_get_family_id$nl802154(&(0x7f00000013c0), 0xffffffffffffffff) sendmsg$NL802154_CMD_SET_PAN_ID(r5, &(0x7f0000000480)={&(0x7f0000000340)={0x10, 0x0, 0x0, 0x8}, 0xc, &(0x7f0000000440)={&(0x7f00000003c0)={0x5c, r6, 0x1, 0x70bd26, 0x25dfdbff, {}, [@NL802154_ATTR_PAN_ID={0x6, 0x9, 0x1}, @NL802154_ATTR_PAN_ID={0x6, 0x9, 0xffff}, @NL802154_ATTR_IFINDEX={0x8, 0x3, r4}, @NL802154_ATTR_IFINDEX={0x0, 0x3, r3}, @NL802154_ATTR_IFINDEX={0x8}, @NL802154_ATTR_PAN_ID={0x6, 0x9, 0x2}, @NL802154_ATTR_IFINDEX, @NL802154_ATTR_IFINDEX={0x39}]}, 0x5c}, 0x1, 0x0, 0x0, 0x8001}, 0x20048840) r7 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) ioctl$NBD_SET_SOCK(r7, 0xab00, 0xffffffffffffffff) 12:26:27 executing program 0: syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x24000) 12:26:27 executing program 4: r0 = socket$unix(0x1, 0x0, 0x0) sendmsg$unix(r0, &(0x7f00000003c0)={&(0x7f0000000040)=@abs={0x0, 0x0, 0x4e21}, 0x6e, &(0x7f0000000380)=[{&(0x7f00000000c0)="196bbd10d648e15729cdc3ab0d41585a532fa0372390c9c585b651ee01d26e362b", 0x21}, {&(0x7f0000000100)="57266ecb72a84ebf98a747bea4800dae8bc0a77c5545da4c273632b4b9148d27e9e60ac6029fb3cf40f7f59a3139022ad4ed338d48696aada3950f5e59c9c9b4d691c9c50ae3abd06354b76ccf925c1f043b5e6b9e203077b60da79f02060e137a01dc85ebfc20cbead073dd480851fb616bcaa89fb6e8ac0b", 0x79}, {&(0x7f0000000180)="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", 0xfd}, {&(0x7f0000000280)="fe9d6561e4117d832c201dc0cfc0366cf7d03d4d7b1e3dc4f3babf671104ae493e8ce10ce297d7b34cbbb13d564ca9ff63d6d4c864ea042ea2567785019528b7b5b8c5136bb84bc1b0299921c604e73154ac2fd15fa1c165a7376cf4d631975b75eb3457565f5c410632d6c4c05ddede7be5d0fb5ea27809cb9b2d2e49dd236d7304016d680212730c6640ff6828689349c1e9d119d18119cd66188e150cf32cbd778ca3080f0b1d9180c74203341b3fd6828a32a93a2c9c1ef1381801e28e3496666c6424c83bf4d97ad60a", 0xcc}], 0x4}, 0x4000) 12:26:27 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async, rerun: 32) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (rerun: 32) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r1) sendmsg$NBD_CMD_DISCONNECT(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f00000004c0)=ANY=[@ANYBLOB="6c00d36a", @ANYRES16=r2, @ANYBLOB="01002dbd7000fddbdf25020000000c00030001000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB], 0x6c}}, 0x0) 12:26:27 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), 0xffffffffffffffff) sendmsg$NBD_CMD_DISCONNECT(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000000)=ANY=[@ANYBLOB='l\x00\x00\x00', @ANYRES16=r1, @ANYBLOB="01002dbd7000fddbdf25020000000c00030001000100", @ANYRES32, @ANYBLOB="0800014036ece36e359549877f56ad75273423ebf727", @ANYRES32, @ANYBLOB], 0x6c}}, 0x0) 12:26:27 executing program 5: ioctl$NBD_SET_SOCK(0xffffffffffffffff, 0xab00, 0xffffffffffffffff) 12:26:27 executing program 0: syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x24000) 12:26:27 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), 0xffffffffffffffff) sendmsg$NBD_CMD_DISCONNECT(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000000)=ANY=[@ANYBLOB='l\x00\x00\x00', @ANYRES16=r1, @ANYBLOB="01002dbd7000fddbdf25020000000c00030001000100", @ANYRES32, @ANYBLOB="0800014036ece36e359549877f56ad75273423ebf727", @ANYRES32, @ANYBLOB], 0x6c}}, 0x0) 12:26:27 executing program 4: r0 = socket$unix(0x1, 0x0, 0x0) sendmsg$unix(r0, &(0x7f00000003c0)={&(0x7f0000000040)=@abs={0x0, 0x0, 0x4e21}, 0x6e, &(0x7f0000000380)=[{&(0x7f00000000c0)="196bbd10d648e15729cdc3ab0d41585a532fa0372390c9c585b651ee01d26e362b", 0x21}, {&(0x7f0000000100)="57266ecb72a84ebf98a747bea4800dae8bc0a77c5545da4c273632b4b9148d27e9e60ac6029fb3cf40f7f59a3139022ad4ed338d48696aada3950f5e59c9c9b4d691c9c50ae3abd06354b76ccf925c1f043b5e6b9e203077b60da79f02060e137a01dc85ebfc20cbead073dd480851fb616bcaa89fb6e8ac0b", 0x79}, {&(0x7f0000000180)="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", 0xfd}, {&(0x7f0000000280)="fe9d6561e4117d832c201dc0cfc0366cf7d03d4d7b1e3dc4f3babf671104ae493e8ce10ce297d7b34cbbb13d564ca9ff63d6d4c864ea042ea2567785019528b7b5b8c5136bb84bc1b0299921c604e73154ac2fd15fa1c165a7376cf4d631975b75eb3457565f5c410632d6c4c05ddede7be5d0fb5ea27809cb9b2d2e49dd236d7304016d680212730c6640ff6828689349c1e9d119d18119cd66188e150cf32cbd778ca3080f0b1d9180c74203341b3fd6828a32a93a2c9c1ef1381801e28e3496666c6424c83bf4d97ad60a", 0xcc}], 0x4}, 0x4000) 12:26:27 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) ioctl$sock_SIOCGIFINDEX_802154(0xffffffffffffffff, 0x8933, &(0x7f0000000080)={'wpan4\x00', 0x0}) sendmsg$NL802154_CMD_NEW_SEC_KEY(r1, &(0x7f00000001c0)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x400000}, 0xc, &(0x7f0000000180)={&(0x7f0000000100)=ANY=[@ANYBLOB="80000000", @ANYRES16=0x0, @ANYBLOB="00022dbd7000fedbdf251700000064002580140004006d466aa49f2e1e7e96adb2e5776c07d81400040016a50654eb4b67f9c2ef0c31f4f149a114000400acaf57ad004c4e3828ed301df33c3e1b1ccdfe12d4e8cffb5d000000080004000000000008000400080000000500020080000000080003", @ANYRES32=r2, @ANYBLOB], 0x80}, 0x1, 0x0, 0x0, 0x8001}, 0x400c000) ioctl$sock_SIOCGIFINDEX_802154(r0, 0x8933, &(0x7f0000000040)={'wpan0\x00', 0x0}) (async) ioctl$sock_SIOCGIFINDEX_802154(r0, 0x8933, &(0x7f00000000c0)={'wpan0\x00', 0x0}) (async) r5 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NL802154_CMD_SET_CCA_ED_LEVEL(r5, &(0x7f0000000b40)={&(0x7f0000000a80), 0xc, &(0x7f0000000b00)={&(0x7f0000000ac0)={0x14, 0x0, 0x1}, 0x14}}, 0x0) (async) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r6 = syz_genetlink_get_family_id$nl802154(&(0x7f00000013c0), 0xffffffffffffffff) sendmsg$NL802154_CMD_SET_PAN_ID(r5, &(0x7f0000000480)={&(0x7f0000000340)={0x10, 0x0, 0x0, 0x8}, 0xc, &(0x7f0000000440)={&(0x7f00000003c0)={0x5c, r6, 0x1, 0x70bd26, 0x25dfdbff, {}, [@NL802154_ATTR_PAN_ID={0x6, 0x9, 0x1}, @NL802154_ATTR_PAN_ID={0x6, 0x9, 0xffff}, @NL802154_ATTR_IFINDEX={0x8, 0x3, r4}, @NL802154_ATTR_IFINDEX={0x0, 0x3, r3}, @NL802154_ATTR_IFINDEX={0x8}, @NL802154_ATTR_PAN_ID={0x6, 0x9, 0x2}, @NL802154_ATTR_IFINDEX, @NL802154_ATTR_IFINDEX={0x39}]}, 0x5c}, 0x1, 0x0, 0x0, 0x8001}, 0x20048840) (async) r7 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) ioctl$NBD_SET_SOCK(r7, 0xab00, 0xffffffffffffffff) 12:26:27 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r1) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NL802154_CMD_SET_CCA_ED_LEVEL(r3, &(0x7f0000000b40)={&(0x7f0000000a80), 0xc, &(0x7f0000000b00)={&(0x7f0000000ac0)={0x14, 0x0, 0x1}, 0x14}}, 0x0) sendmsg$NBD_CMD_DISCONNECT(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000000)=ANY=[@ANYBLOB='l\x00\x00\x00', @ANYRES16=r2, @ANYBLOB="01002dbd7000fddbdf25020000000c00030001000100", @ANYRES32, @ANYBLOB="08000108", @ANYRES32, @ANYRES16=r3], 0x6c}}, 0x0) 12:26:27 executing program 5: r0 = syz_open_dev$ndb(0x0, 0x0, 0xa8a200) ioctl$NBD_SET_SOCK(r0, 0xab00, 0xffffffffffffffff) 12:26:27 executing program 4: r0 = socket$unix(0x1, 0x0, 0x0) sendmsg$unix(r0, &(0x7f00000003c0)={&(0x7f0000000040)=@abs={0x0, 0x0, 0x4e21}, 0x6e, &(0x7f0000000380)=[{&(0x7f00000000c0)="196bbd10d648e15729cdc3ab0d41585a532fa0372390c9c585b651ee01d26e362b", 0x21}, {&(0x7f0000000100)="57266ecb72a84ebf98a747bea4800dae8bc0a77c5545da4c273632b4b9148d27e9e60ac6029fb3cf40f7f59a3139022ad4ed338d48696aada3950f5e59c9c9b4d691c9c50ae3abd06354b76ccf925c1f043b5e6b9e203077b60da79f02060e137a01dc85ebfc20cbead073dd480851fb616bcaa89fb6e8ac0b", 0x79}, {&(0x7f0000000180)="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", 0xfd}, {&(0x7f0000000280)="fe9d6561e4117d832c201dc0cfc0366cf7d03d4d7b1e3dc4f3babf671104ae493e8ce10ce297d7b34cbbb13d564ca9ff63d6d4c864ea042ea2567785019528b7b5b8c5136bb84bc1b0299921c604e73154ac2fd15fa1c165a7376cf4d631975b75eb3457565f5c410632d6c4c05ddede7be5d0fb5ea27809cb9b2d2e49dd236d7304016d680212730c6640ff6828689349c1e9d119d18119cd66188e150cf32cbd778ca3080f0b1d9180c74203341b3fd6828a32a93a2c9c1ef1381801e28e3496666c6424c83bf4d97ad60a", 0xcc}], 0x4}, 0x4000) 12:26:27 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), 0xffffffffffffffff) sendmsg$NBD_CMD_DISCONNECT(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000000)=ANY=[@ANYBLOB='l\x00\x00\x00', @ANYRES16=r1, @ANYBLOB="01002dbd7000fddbdf25020000000c00030001000100", @ANYRES32, @ANYBLOB="0800014036ece36e359549877f56ad75273423ebf727", @ANYRES32, @ANYBLOB], 0x6c}}, 0x0) 12:26:27 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) ioctl$sock_SIOCGIFINDEX_802154(0xffffffffffffffff, 0x8933, &(0x7f0000000080)={'wpan4\x00', 0x0}) sendmsg$NL802154_CMD_NEW_SEC_KEY(r1, &(0x7f00000001c0)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x400000}, 0xc, &(0x7f0000000180)={&(0x7f0000000100)=ANY=[@ANYBLOB="80000000", @ANYRES16=0x0, @ANYBLOB="00022dbd7000fedbdf251700000064002580140004006d466aa49f2e1e7e96adb2e5776c07d81400040016a50654eb4b67f9c2ef0c31f4f149a114000400acaf57ad004c4e3828ed301df33c3e1b1ccdfe12d4e8cffb5d000000080004000000000008000400080000000500020080000000080003", @ANYRES32=r2, @ANYBLOB], 0x80}, 0x1, 0x0, 0x0, 0x8001}, 0x400c000) ioctl$sock_SIOCGIFINDEX_802154(r0, 0x8933, &(0x7f0000000040)={'wpan0\x00', 0x0}) ioctl$sock_SIOCGIFINDEX_802154(r0, 0x8933, &(0x7f00000000c0)={'wpan0\x00', 0x0}) r5 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NL802154_CMD_SET_CCA_ED_LEVEL(r5, &(0x7f0000000b40)={&(0x7f0000000a80), 0xc, &(0x7f0000000b00)={&(0x7f0000000ac0)={0x14, 0x0, 0x1}, 0x14}}, 0x0) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r6 = syz_genetlink_get_family_id$nl802154(&(0x7f00000013c0), 0xffffffffffffffff) sendmsg$NL802154_CMD_SET_PAN_ID(r5, &(0x7f0000000480)={&(0x7f0000000340)={0x10, 0x0, 0x0, 0x8}, 0xc, &(0x7f0000000440)={&(0x7f00000003c0)={0x5c, r6, 0x1, 0x70bd26, 0x25dfdbff, {}, [@NL802154_ATTR_PAN_ID={0x6, 0x9, 0x1}, @NL802154_ATTR_PAN_ID={0x6, 0x9, 0xffff}, @NL802154_ATTR_IFINDEX={0x8, 0x3, r4}, @NL802154_ATTR_IFINDEX={0x0, 0x3, r3}, @NL802154_ATTR_IFINDEX={0x8}, @NL802154_ATTR_PAN_ID={0x6, 0x9, 0x2}, @NL802154_ATTR_IFINDEX, @NL802154_ATTR_IFINDEX={0x39}]}, 0x5c}, 0x1, 0x0, 0x0, 0x8001}, 0x20048840) r7 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) ioctl$NBD_SET_SOCK(r7, 0xab00, 0xffffffffffffffff) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) ioctl$sock_SIOCGIFINDEX_802154(0xffffffffffffffff, 0x8933, &(0x7f0000000080)={'wpan4\x00'}) (async) sendmsg$NL802154_CMD_NEW_SEC_KEY(r1, &(0x7f00000001c0)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x400000}, 0xc, &(0x7f0000000180)={&(0x7f0000000100)=ANY=[@ANYBLOB="80000000", @ANYRES16=0x0, @ANYBLOB="00022dbd7000fedbdf251700000064002580140004006d466aa49f2e1e7e96adb2e5776c07d81400040016a50654eb4b67f9c2ef0c31f4f149a114000400acaf57ad004c4e3828ed301df33c3e1b1ccdfe12d4e8cffb5d000000080004000000000008000400080000000500020080000000080003", @ANYRES32=r2, @ANYBLOB], 0x80}, 0x1, 0x0, 0x0, 0x8001}, 0x400c000) (async) ioctl$sock_SIOCGIFINDEX_802154(r0, 0x8933, &(0x7f0000000040)={'wpan0\x00'}) (async) ioctl$sock_SIOCGIFINDEX_802154(r0, 0x8933, &(0x7f00000000c0)={'wpan0\x00'}) (async) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) sendmsg$NL802154_CMD_SET_CCA_ED_LEVEL(r5, &(0x7f0000000b40)={&(0x7f0000000a80), 0xc, &(0x7f0000000b00)={&(0x7f0000000ac0)={0x14, 0x0, 0x1}, 0x14}}, 0x0) (async) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) syz_genetlink_get_family_id$nl802154(&(0x7f00000013c0), 0xffffffffffffffff) (async) sendmsg$NL802154_CMD_SET_PAN_ID(r5, &(0x7f0000000480)={&(0x7f0000000340)={0x10, 0x0, 0x0, 0x8}, 0xc, &(0x7f0000000440)={&(0x7f00000003c0)={0x5c, r6, 0x1, 0x70bd26, 0x25dfdbff, {}, [@NL802154_ATTR_PAN_ID={0x6, 0x9, 0x1}, @NL802154_ATTR_PAN_ID={0x6, 0x9, 0xffff}, @NL802154_ATTR_IFINDEX={0x8, 0x3, r4}, @NL802154_ATTR_IFINDEX={0x0, 0x3, r3}, @NL802154_ATTR_IFINDEX={0x8}, @NL802154_ATTR_PAN_ID={0x6, 0x9, 0x2}, @NL802154_ATTR_IFINDEX, @NL802154_ATTR_IFINDEX={0x39}]}, 0x5c}, 0x1, 0x0, 0x0, 0x8001}, 0x20048840) (async) syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) (async) ioctl$NBD_SET_SOCK(r7, 0xab00, 0xffffffffffffffff) (async) [ 348.042105] nbd: must specify an index to disconnect 12:26:27 executing program 0: syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x24000) 12:26:27 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r1) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NL802154_CMD_SET_CCA_ED_LEVEL(r3, &(0x7f0000000b40)={&(0x7f0000000a80), 0xc, &(0x7f0000000b00)={&(0x7f0000000ac0)={0x14, 0x0, 0x1}, 0x14}}, 0x0) sendmsg$NBD_CMD_DISCONNECT(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000000)=ANY=[@ANYBLOB='l\x00\x00\x00', @ANYRES16=r2, @ANYBLOB="01002dbd7000fddbdf25020000000c00030001000100", @ANYRES32, @ANYBLOB="08000108", @ANYRES32, @ANYRES16=r3], 0x6c}}, 0x0) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r1) (async) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) sendmsg$NL802154_CMD_SET_CCA_ED_LEVEL(r3, &(0x7f0000000b40)={&(0x7f0000000a80), 0xc, &(0x7f0000000b00)={&(0x7f0000000ac0)={0x14, 0x0, 0x1}, 0x14}}, 0x0) (async) sendmsg$NBD_CMD_DISCONNECT(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000000)=ANY=[@ANYBLOB='l\x00\x00\x00', @ANYRES16=r2, @ANYBLOB="01002dbd7000fddbdf25020000000c00030001000100", @ANYRES32, @ANYBLOB="08000108", @ANYRES32, @ANYRES16=r3], 0x6c}}, 0x0) (async) 12:26:27 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r0) sendmsg$NBD_CMD_DISCONNECT(0xffffffffffffffff, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000000)=ANY=[@ANYBLOB='l\x00\x00\x00', @ANYRES16=r1, @ANYBLOB="01002dbd7000fddbdf25020000000c00030001000100", @ANYRES32, @ANYBLOB="0800014036ece36e359549877f56ad75273423ebf727", @ANYRES32=r0, @ANYBLOB], 0x6c}}, 0x0) 12:26:27 executing program 4: socket$unix(0x1, 0x2, 0x0) sendmsg$unix(0xffffffffffffffff, &(0x7f00000003c0)={&(0x7f0000000040)=@abs={0x0, 0x0, 0x4e21}, 0x6e, &(0x7f0000000380)=[{&(0x7f00000000c0)="196bbd10d648e15729cdc3ab0d41585a532fa0372390c9c585b651ee01d26e362b", 0x21}, {&(0x7f0000000100)="57266ecb72a84ebf98a747bea4800dae8bc0a77c5545da4c273632b4b9148d27e9e60ac6029fb3cf40f7f59a3139022ad4ed338d48696aada3950f5e59c9c9b4d691c9c50ae3abd06354b76ccf925c1f043b5e6b9e203077b60da79f02060e137a01dc85ebfc20cbead073dd480851fb616bcaa89fb6e8ac0b", 0x79}, {&(0x7f0000000180)="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", 0xfd}, {&(0x7f0000000280)="fe9d6561e4117d832c201dc0cfc0366cf7d03d4d7b1e3dc4f3babf671104ae493e8ce10ce297d7b34cbbb13d564ca9ff63d6d4c864ea042ea2567785019528b7b5b8c5136bb84bc1b0299921c604e73154ac2fd15fa1c165a7376cf4d631975b75eb3457565f5c410632d6c4c05ddede7be5d0fb5ea27809cb9b2d2e49dd236d7304016d680212730c6640ff6828689349c1e9d119d18119cd66188e150cf32cbd778ca3080f0b1d9180c74203341b3fd6828a32a93a2c9c1ef1381801e28e3496666c6424c83bf4d97ad60a", 0xcc}], 0x4}, 0x4000) 12:26:27 executing program 5: r0 = syz_open_dev$ndb(0x0, 0x0, 0xa8a200) ioctl$NBD_SET_SOCK(r0, 0xab00, 0xffffffffffffffff) 12:26:27 executing program 0: syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x24000) 12:26:27 executing program 3: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) r1 = openat$null(0xffffffffffffff9c, 0x0, 0x0, 0x0) mmap$perf(&(0x7f0000ffe000/0x2000)=nil, 0x2000, 0x0, 0x10, r1, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) 12:26:27 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r0) sendmsg$NBD_CMD_DISCONNECT(0xffffffffffffffff, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000000)=ANY=[@ANYBLOB='l\x00\x00\x00', @ANYRES16=r1, @ANYBLOB="01002dbd7000fddbdf25020000000c00030001000100", @ANYRES32, @ANYBLOB="0800014036ece36e359549877f56ad75273423ebf727", @ANYRES32=r0, @ANYBLOB], 0x6c}}, 0x0) [ 348.126592] nbd: must specify an index to disconnect 12:26:27 executing program 4: socket$unix(0x1, 0x2, 0x0) sendmsg$unix(0xffffffffffffffff, &(0x7f00000003c0)={&(0x7f0000000040)=@abs={0x0, 0x0, 0x4e21}, 0x6e, &(0x7f0000000380)=[{&(0x7f00000000c0)="196bbd10d648e15729cdc3ab0d41585a532fa0372390c9c585b651ee01d26e362b", 0x21}, {&(0x7f0000000100)="57266ecb72a84ebf98a747bea4800dae8bc0a77c5545da4c273632b4b9148d27e9e60ac6029fb3cf40f7f59a3139022ad4ed338d48696aada3950f5e59c9c9b4d691c9c50ae3abd06354b76ccf925c1f043b5e6b9e203077b60da79f02060e137a01dc85ebfc20cbead073dd480851fb616bcaa89fb6e8ac0b", 0x79}, {&(0x7f0000000180)="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", 0xfd}, {&(0x7f0000000280)="fe9d6561e4117d832c201dc0cfc0366cf7d03d4d7b1e3dc4f3babf671104ae493e8ce10ce297d7b34cbbb13d564ca9ff63d6d4c864ea042ea2567785019528b7b5b8c5136bb84bc1b0299921c604e73154ac2fd15fa1c165a7376cf4d631975b75eb3457565f5c410632d6c4c05ddede7be5d0fb5ea27809cb9b2d2e49dd236d7304016d680212730c6640ff6828689349c1e9d119d18119cd66188e150cf32cbd778ca3080f0b1d9180c74203341b3fd6828a32a93a2c9c1ef1381801e28e3496666c6424c83bf4d97ad60a", 0xcc}], 0x4}, 0x4000) 12:26:27 executing program 5: r0 = syz_open_dev$ndb(0x0, 0x0, 0xa8a200) ioctl$NBD_SET_SOCK(r0, 0xab00, 0xffffffffffffffff) 12:26:27 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r1) (async) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NL802154_CMD_SET_CCA_ED_LEVEL(r3, &(0x7f0000000b40)={&(0x7f0000000a80), 0xc, &(0x7f0000000b00)={&(0x7f0000000ac0)={0x14, 0x0, 0x1}, 0x14}}, 0x0) (async) sendmsg$NBD_CMD_DISCONNECT(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000000)=ANY=[@ANYBLOB='l\x00\x00\x00', @ANYRES16=r2, @ANYBLOB="01002dbd7000fddbdf25020000000c00030001000100", @ANYRES32, @ANYBLOB="08000108", @ANYRES32, @ANYRES16=r3], 0x6c}}, 0x0) [ 348.155555] nbd: must specify an index to disconnect 12:26:27 executing program 3: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) r1 = openat$null(0xffffffffffffff9c, 0x0, 0x0, 0x0) mmap$perf(&(0x7f0000ffe000/0x2000)=nil, 0x2000, 0x0, 0x10, r1, 0x0) (async) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) 12:26:27 executing program 0: syz_open_dev$ndb(0x0, 0x0, 0x0) syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x24000) 12:26:27 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r0) sendmsg$NBD_CMD_DISCONNECT(0xffffffffffffffff, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000000)=ANY=[@ANYBLOB='l\x00\x00\x00', @ANYRES16=r1, @ANYBLOB="01002dbd7000fddbdf25020000000c00030001000100", @ANYRES32, @ANYBLOB="0800014036ece36e359549877f56ad75273423ebf727", @ANYRES32=r0, @ANYBLOB], 0x6c}}, 0x0) 12:26:27 executing program 4: socket$unix(0x1, 0x2, 0x0) sendmsg$unix(0xffffffffffffffff, &(0x7f00000003c0)={&(0x7f0000000040)=@abs={0x0, 0x0, 0x4e21}, 0x6e, &(0x7f0000000380)=[{&(0x7f00000000c0)="196bbd10d648e15729cdc3ab0d41585a532fa0372390c9c585b651ee01d26e362b", 0x21}, {&(0x7f0000000100)="57266ecb72a84ebf98a747bea4800dae8bc0a77c5545da4c273632b4b9148d27e9e60ac6029fb3cf40f7f59a3139022ad4ed338d48696aada3950f5e59c9c9b4d691c9c50ae3abd06354b76ccf925c1f043b5e6b9e203077b60da79f02060e137a01dc85ebfc20cbead073dd480851fb616bcaa89fb6e8ac0b", 0x79}, {&(0x7f0000000180)="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", 0xfd}, {&(0x7f0000000280)="fe9d6561e4117d832c201dc0cfc0366cf7d03d4d7b1e3dc4f3babf671104ae493e8ce10ce297d7b34cbbb13d564ca9ff63d6d4c864ea042ea2567785019528b7b5b8c5136bb84bc1b0299921c604e73154ac2fd15fa1c165a7376cf4d631975b75eb3457565f5c410632d6c4c05ddede7be5d0fb5ea27809cb9b2d2e49dd236d7304016d680212730c6640ff6828689349c1e9d119d18119cd66188e150cf32cbd778ca3080f0b1d9180c74203341b3fd6828a32a93a2c9c1ef1381801e28e3496666c6424c83bf4d97ad60a", 0xcc}], 0x4}, 0x4000) 12:26:27 executing program 3: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) r1 = openat$null(0xffffffffffffff9c, 0x0, 0x0, 0x0) mmap$perf(&(0x7f0000ffe000/0x2000)=nil, 0x2000, 0x0, 0x10, r1, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) (async) openat$null(0xffffffffffffff9c, 0x0, 0x0, 0x0) (async) mmap$perf(&(0x7f0000ffe000/0x2000)=nil, 0x2000, 0x0, 0x10, r1, 0x0) (async) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) (async) 12:26:27 executing program 5: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, 0xffffffffffffffff) 12:26:27 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nl802154(&(0x7f00000013c0), 0xffffffffffffffff) sendmsg$NL802154_CMD_SET_CCA_MODE(r1, &(0x7f0000001500)={&(0x7f0000001380), 0xc, &(0x7f00000014c0)={&(0x7f0000001440)={0x24, r2, 0x1, 0x0, 0x0, {}, [@NL802154_ATTR_CCA_MODE={0x8}, @NL802154_ATTR_IFINDEX={0x8}]}, 0x24}}, 0x0) sendmsg$NL802154_CMD_SET_CHANNEL(r0, &(0x7f0000000180)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x8}, 0xc, &(0x7f00000000c0)={&(0x7f0000000080)={0x28, r2, 0x400, 0x70bd26, 0x25dfdbfc, {}, [@NL802154_ATTR_WPAN_DEV={0xc}, @NL802154_ATTR_WPAN_PHY={0x8, 0x1, 0x3}]}, 0x28}, 0x1, 0x0, 0x0, 0x20000000}, 0x48000) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r4 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r3) r5 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r6 = syz_genetlink_get_family_id$nl802154(&(0x7f0000000200), r0) r7 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) ioctl$sock_SIOCGIFINDEX_802154(r7, 0x8933, &(0x7f0000000740)={'wpan0\x00', 0x0}) r9 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) getresgid(&(0x7f0000000100), &(0x7f0000000140), 0x0) r10 = syz_genetlink_get_family_id$nl802154(&(0x7f00000013c0), 0xffffffffffffffff) sendmsg$NL802154_CMD_GET_WPAN_PHY(r9, &(0x7f0000000cc0)={0x0, 0x0, &(0x7f0000000c80)={&(0x7f0000000c00)=ANY=[@ANYBLOB="4e8f1d85", @ANYRES16=r10, @ANYBLOB="2104000000000000000001000000080001000200000008000300", @ANYRES32=r8, @ANYBLOB="0c0006000100000001000000"], 0x30}}, 0x0) r11 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) ioctl$sock_SIOCGIFINDEX_802154(r11, 0x8933, &(0x7f0000000740)={'wpan0\x00', 0x0}) r13 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r14 = syz_genetlink_get_family_id$nl802154(&(0x7f00000013c0), 0xffffffffffffffff) sendmsg$NL802154_CMD_GET_WPAN_PHY(r13, &(0x7f0000000cc0)={0x0, 0x0, &(0x7f0000000c80)={&(0x7f0000000c00)={0x30, r14, 0x421, 0x0, 0x0, {}, [@NL802154_ATTR_WPAN_PHY={0x8, 0x1, 0x2}, @NL802154_ATTR_IFINDEX={0x8, 0x3, r12}, @NL802154_ATTR_WPAN_DEV={0xc, 0x6, 0x100000001}]}, 0x30}}, 0x0) sendmsg$NL802154_CMD_SET_PAN_ID(r5, &(0x7f00000002c0)={&(0x7f00000001c0)={0x10, 0x0, 0x0, 0x100}, 0xc, &(0x7f0000000280)={&(0x7f0000000240)={0x40, r6, 0x1, 0x70bd2d, 0x25dfdbfe, {}, [@NL802154_ATTR_IFINDEX={0x8, 0x3, r8}, @NL802154_ATTR_IFINDEX={0x8, 0x3, r12}, @NL802154_ATTR_PAN_ID={0x6, 0x9, 0xffff}, @NL802154_ATTR_PAN_ID={0x6}, @NL802154_ATTR_WPAN_DEV={0xc, 0x6, 0x100000001}]}, 0x40}, 0x1, 0x0, 0x0, 0x1}, 0x2102a3d678debd2b) sendmsg$NBD_CMD_DISCONNECT(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f00000004c0)=ANY=[@ANYBLOB='l\x00\x00\x00', @ANYRES16=r4, @ANYBLOB="01002dbd7000fddbdf25020000000c00030001000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB], 0x6c}}, 0x0) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) 12:26:27 executing program 4: r0 = socket$unix(0x1, 0x2, 0x0) sendmsg$unix(r0, 0x0, 0x4000) 12:26:27 executing program 0: syz_open_dev$ndb(0x0, 0x0, 0x0) syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x24000) 12:26:27 executing program 5: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, 0xffffffffffffffff) 12:26:27 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(0x0, r1) sendmsg$NBD_CMD_DISCONNECT(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000000)=ANY=[@ANYBLOB='l\x00\x00\x00', @ANYRES16=r2, @ANYBLOB="01002dbd7000fddbdf25020000000c00030001000100", @ANYRES32, @ANYBLOB="0800014036ece36e359549877f56ad75273423ebf727", @ANYRES32=r1, @ANYBLOB], 0x6c}}, 0x0) 12:26:27 executing program 0: syz_open_dev$ndb(0x0, 0x0, 0x0) syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x24000) 12:26:27 executing program 4: r0 = socket$unix(0x1, 0x2, 0x0) sendmsg$unix(r0, 0x0, 0x4000) 12:26:27 executing program 3: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, 0xffffffffffffffff) r1 = openat$null(0xffffffffffffff9c, &(0x7f0000000040), 0x280802, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) 12:26:27 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(0x0, r1) sendmsg$NBD_CMD_DISCONNECT(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000000)=ANY=[@ANYBLOB='l\x00\x00\x00', @ANYRES16=r2, @ANYBLOB="01002dbd7000fddbdf25020000000c00030001000100", @ANYRES32, @ANYBLOB="0800014036ece36e359549877f56ad75273423ebf727", @ANYRES32=r1, @ANYBLOB], 0x6c}}, 0x0) 12:26:27 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) r2 = syz_genetlink_get_family_id$nl802154(&(0x7f00000013c0), 0xffffffffffffffff) sendmsg$NL802154_CMD_SET_CCA_MODE(r1, &(0x7f0000001500)={&(0x7f0000001380), 0xc, &(0x7f00000014c0)={&(0x7f0000001440)={0x24, r2, 0x1, 0x0, 0x0, {}, [@NL802154_ATTR_CCA_MODE={0x8}, @NL802154_ATTR_IFINDEX={0x8}]}, 0x24}}, 0x0) sendmsg$NL802154_CMD_SET_CHANNEL(r0, &(0x7f0000000180)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x8}, 0xc, &(0x7f00000000c0)={&(0x7f0000000080)={0x28, r2, 0x400, 0x70bd26, 0x25dfdbfc, {}, [@NL802154_ATTR_WPAN_DEV={0xc}, @NL802154_ATTR_WPAN_PHY={0x8, 0x1, 0x3}]}, 0x28}, 0x1, 0x0, 0x0, 0x20000000}, 0x48000) (async) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r4 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r3) (async) r5 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) r6 = syz_genetlink_get_family_id$nl802154(&(0x7f0000000200), r0) (async) r7 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) ioctl$sock_SIOCGIFINDEX_802154(r7, 0x8933, &(0x7f0000000740)={'wpan0\x00', 0x0}) (async, rerun: 32) r9 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (rerun: 32) getresgid(&(0x7f0000000100), &(0x7f0000000140), 0x0) (async) r10 = syz_genetlink_get_family_id$nl802154(&(0x7f00000013c0), 0xffffffffffffffff) sendmsg$NL802154_CMD_GET_WPAN_PHY(r9, &(0x7f0000000cc0)={0x0, 0x0, &(0x7f0000000c80)={&(0x7f0000000c00)=ANY=[@ANYBLOB="4e8f1d85", @ANYRES16=r10, @ANYBLOB="2104000000000000000001000000080001000200000008000300", @ANYRES32=r8, @ANYBLOB="0c0006000100000001000000"], 0x30}}, 0x0) (async) r11 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) ioctl$sock_SIOCGIFINDEX_802154(r11, 0x8933, &(0x7f0000000740)={'wpan0\x00', 0x0}) r13 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) r14 = syz_genetlink_get_family_id$nl802154(&(0x7f00000013c0), 0xffffffffffffffff) sendmsg$NL802154_CMD_GET_WPAN_PHY(r13, &(0x7f0000000cc0)={0x0, 0x0, &(0x7f0000000c80)={&(0x7f0000000c00)={0x30, r14, 0x421, 0x0, 0x0, {}, [@NL802154_ATTR_WPAN_PHY={0x8, 0x1, 0x2}, @NL802154_ATTR_IFINDEX={0x8, 0x3, r12}, @NL802154_ATTR_WPAN_DEV={0xc, 0x6, 0x100000001}]}, 0x30}}, 0x0) sendmsg$NL802154_CMD_SET_PAN_ID(r5, &(0x7f00000002c0)={&(0x7f00000001c0)={0x10, 0x0, 0x0, 0x100}, 0xc, &(0x7f0000000280)={&(0x7f0000000240)={0x40, r6, 0x1, 0x70bd2d, 0x25dfdbfe, {}, [@NL802154_ATTR_IFINDEX={0x8, 0x3, r8}, @NL802154_ATTR_IFINDEX={0x8, 0x3, r12}, @NL802154_ATTR_PAN_ID={0x6, 0x9, 0xffff}, @NL802154_ATTR_PAN_ID={0x6}, @NL802154_ATTR_WPAN_DEV={0xc, 0x6, 0x100000001}]}, 0x40}, 0x1, 0x0, 0x0, 0x1}, 0x2102a3d678debd2b) sendmsg$NBD_CMD_DISCONNECT(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f00000004c0)=ANY=[@ANYBLOB='l\x00\x00\x00', @ANYRES16=r4, @ANYBLOB="01002dbd7000fddbdf25020000000c00030001000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB], 0x6c}}, 0x0) (async, rerun: 32) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (rerun: 32) 12:26:27 executing program 0: syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) syz_open_dev$ndb(0x0, 0x0, 0x24000) [ 348.299604] nbd: couldn't find device at index -1 12:26:27 executing program 4: r0 = socket$unix(0x1, 0x2, 0x0) sendmsg$unix(r0, 0x0, 0x4000) 12:26:27 executing program 5: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, 0xffffffffffffffff) 12:26:27 executing program 3: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, 0xffffffffffffffff) r1 = openat$null(0xffffffffffffff9c, &(0x7f0000000040), 0x280802, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) 12:26:28 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(0x0, r1) sendmsg$NBD_CMD_DISCONNECT(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000000)=ANY=[@ANYBLOB='l\x00\x00\x00', @ANYRES16=r2, @ANYBLOB="01002dbd7000fddbdf25020000000c00030001000100", @ANYRES32, @ANYBLOB="0800014036ece36e359549877f56ad75273423ebf727", @ANYRES32=r1, @ANYBLOB], 0x6c}}, 0x0) 12:26:28 executing program 0: syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) syz_open_dev$ndb(0x0, 0x0, 0x24000) 12:26:28 executing program 4: r0 = socket$unix(0x1, 0x2, 0x0) sendmsg$unix(r0, &(0x7f00000003c0)={0x0, 0x0, &(0x7f0000000380)=[{&(0x7f00000000c0)="196bbd10d648e15729cdc3ab0d41585a532fa0372390c9c585b651ee01d26e362b", 0x21}, {&(0x7f0000000100)="57266ecb72a84ebf98a747bea4800dae8bc0a77c5545da4c273632b4b9148d27e9e60ac6029fb3cf40f7f59a3139022ad4ed338d48696aada3950f5e59c9c9b4d691c9c50ae3abd06354b76ccf925c1f043b5e6b9e203077b60da79f02060e137a01dc85ebfc20cbead073dd480851fb616bcaa89fb6e8ac0b", 0x79}, {&(0x7f0000000180)="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", 0xfd}, {&(0x7f0000000280)="fe9d6561e4117d832c201dc0cfc0366cf7d03d4d7b1e3dc4f3babf671104ae493e8ce10ce297d7b34cbbb13d564ca9ff63d6d4c864ea042ea2567785019528b7b5b8c5136bb84bc1b0299921c604e73154ac2fd15fa1c165a7376cf4d631975b75eb3457565f5c410632d6c4c05ddede7be5d0fb5ea27809cb9b2d2e49dd236d7304016d680212730c6640ff6828689349c1e9d119d18119cd66188e150cf32cbd778ca3080f0b1d9180c74203341b3fd6828a32a93a2c9c1ef1381801e28e3496666c6424c83bf4d97ad60a", 0xcc}], 0x4}, 0x4000) 12:26:28 executing program 5: syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0xa8a200) ioctl$NBD_SET_SOCK(0xffffffffffffffff, 0xab00, 0xffffffffffffffff) 12:26:28 executing program 4: r0 = socket$unix(0x1, 0x2, 0x0) sendmsg$unix(r0, &(0x7f00000003c0)={0x0, 0x0, &(0x7f0000000380)=[{&(0x7f00000000c0)="196bbd10d648e15729cdc3ab0d41585a532fa0372390c9c585b651ee01d26e362b", 0x21}, {&(0x7f0000000100)="57266ecb72a84ebf98a747bea4800dae8bc0a77c5545da4c273632b4b9148d27e9e60ac6029fb3cf40f7f59a3139022ad4ed338d48696aada3950f5e59c9c9b4d691c9c50ae3abd06354b76ccf925c1f043b5e6b9e203077b60da79f02060e137a01dc85ebfc20cbead073dd480851fb616bcaa89fb6e8ac0b", 0x79}, {&(0x7f0000000180)="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", 0xfd}, {&(0x7f0000000280)="fe9d6561e4117d832c201dc0cfc0366cf7d03d4d7b1e3dc4f3babf671104ae493e8ce10ce297d7b34cbbb13d564ca9ff63d6d4c864ea042ea2567785019528b7b5b8c5136bb84bc1b0299921c604e73154ac2fd15fa1c165a7376cf4d631975b75eb3457565f5c410632d6c4c05ddede7be5d0fb5ea27809cb9b2d2e49dd236d7304016d680212730c6640ff6828689349c1e9d119d18119cd66188e150cf32cbd778ca3080f0b1d9180c74203341b3fd6828a32a93a2c9c1ef1381801e28e3496666c6424c83bf4d97ad60a", 0xcc}], 0x4}, 0x4000) 12:26:28 executing program 3: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, 0xffffffffffffffff) r1 = openat$null(0xffffffffffffff9c, &(0x7f0000000040), 0x280802, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) 12:26:28 executing program 0: syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) syz_open_dev$ndb(0x0, 0x0, 0x24000) [ 348.442812] nbd: couldn't find device at index -1 [ 348.454133] nbd: couldn't find device at index -1 [ 348.488048] nbd: couldn't find device at index -1 [ 348.506909] nbd: couldn't find device at index -1 [ 348.519677] nbd: couldn't find device at index -1 [ 348.525203] nbd: couldn't find device at index -1 [ 348.531616] nbd: couldn't find device at index -1 [ 348.536579] nbd: couldn't find device at index -1 [ 348.542541] nbd: couldn't find device at index -1 [ 348.547531] nbd: couldn't find device at index -1 [ 348.553350] nbd: couldn't find device at index -1 [ 348.558495] nbd: couldn't find device at index -1 [ 348.564256] nbd: couldn't find device at index -1 [ 348.570042] nbd: couldn't find device at index -1 [ 348.575195] nbd: couldn't find device at index -1 [ 348.581025] nbd: couldn't find device at index -1 [ 348.585988] nbd: couldn't find device at index -1 [ 348.592510] nbd: couldn't find device at index -1 [ 348.597649] nbd: couldn't find device at index -1 [ 348.603570] nbd: couldn't find device at index -1 [ 348.611599] nbd: couldn't find device at index -1 [ 348.616524] nbd: couldn't find device at index -1 [ 348.622224] nbd: couldn't find device at index -1 [ 348.627097] nbd: couldn't find device at index -1 [ 348.632572] nbd: couldn't find device at index -1 12:26:28 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nl802154(&(0x7f00000013c0), 0xffffffffffffffff) sendmsg$NL802154_CMD_SET_CCA_MODE(r1, &(0x7f0000001500)={&(0x7f0000001380), 0xc, &(0x7f00000014c0)={&(0x7f0000001440)={0x24, r2, 0x1, 0x0, 0x0, {}, [@NL802154_ATTR_CCA_MODE={0x8}, @NL802154_ATTR_IFINDEX={0x8}]}, 0x24}}, 0x0) (async) sendmsg$NL802154_CMD_SET_CHANNEL(r0, &(0x7f0000000180)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x8}, 0xc, &(0x7f00000000c0)={&(0x7f0000000080)={0x28, r2, 0x400, 0x70bd26, 0x25dfdbfc, {}, [@NL802154_ATTR_WPAN_DEV={0xc}, @NL802154_ATTR_WPAN_PHY={0x8, 0x1, 0x3}]}, 0x28}, 0x1, 0x0, 0x0, 0x20000000}, 0x48000) (async) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r4 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r3) (async) r5 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) r6 = syz_genetlink_get_family_id$nl802154(&(0x7f0000000200), r0) (async) r7 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) ioctl$sock_SIOCGIFINDEX_802154(r7, 0x8933, &(0x7f0000000740)={'wpan0\x00', 0x0}) (async) r9 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) getresgid(&(0x7f0000000100), &(0x7f0000000140), 0x0) (async) r10 = syz_genetlink_get_family_id$nl802154(&(0x7f00000013c0), 0xffffffffffffffff) sendmsg$NL802154_CMD_GET_WPAN_PHY(r9, &(0x7f0000000cc0)={0x0, 0x0, &(0x7f0000000c80)={&(0x7f0000000c00)=ANY=[@ANYBLOB="4e8f1d85", @ANYRES16=r10, @ANYBLOB="2104000000000000000001000000080001000200000008000300", @ANYRES32=r8, @ANYBLOB="0c0006000100000001000000"], 0x30}}, 0x0) r11 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) ioctl$sock_SIOCGIFINDEX_802154(r11, 0x8933, &(0x7f0000000740)={'wpan0\x00', 0x0}) (async) r13 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) r14 = syz_genetlink_get_family_id$nl802154(&(0x7f00000013c0), 0xffffffffffffffff) sendmsg$NL802154_CMD_GET_WPAN_PHY(r13, &(0x7f0000000cc0)={0x0, 0x0, &(0x7f0000000c80)={&(0x7f0000000c00)={0x30, r14, 0x421, 0x0, 0x0, {}, [@NL802154_ATTR_WPAN_PHY={0x8, 0x1, 0x2}, @NL802154_ATTR_IFINDEX={0x8, 0x3, r12}, @NL802154_ATTR_WPAN_DEV={0xc, 0x6, 0x100000001}]}, 0x30}}, 0x0) (async) sendmsg$NL802154_CMD_SET_PAN_ID(r5, &(0x7f00000002c0)={&(0x7f00000001c0)={0x10, 0x0, 0x0, 0x100}, 0xc, &(0x7f0000000280)={&(0x7f0000000240)={0x40, r6, 0x1, 0x70bd2d, 0x25dfdbfe, {}, [@NL802154_ATTR_IFINDEX={0x8, 0x3, r8}, @NL802154_ATTR_IFINDEX={0x8, 0x3, r12}, @NL802154_ATTR_PAN_ID={0x6, 0x9, 0xffff}, @NL802154_ATTR_PAN_ID={0x6}, @NL802154_ATTR_WPAN_DEV={0xc, 0x6, 0x100000001}]}, 0x40}, 0x1, 0x0, 0x0, 0x1}, 0x2102a3d678debd2b) (async) sendmsg$NBD_CMD_DISCONNECT(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f00000004c0)=ANY=[@ANYBLOB='l\x00\x00\x00', @ANYRES16=r4, @ANYBLOB="01002dbd7000fddbdf25020000000c00030001000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB], 0x6c}}, 0x0) (async) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) 12:26:28 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), 0xffffffffffffffff) sendmsg$NBD_CMD_DISCONNECT(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000000)=ANY=[@ANYBLOB='l\x00\x00\x00', @ANYRES16=r2, @ANYBLOB="01002dbd7000fddbdf25020000000c00030001000100", @ANYRES32, @ANYBLOB="0800014036ece36e359549877f56ad75273423ebf727", @ANYRES32=r1, @ANYBLOB], 0x6c}}, 0x0) 12:26:28 executing program 4: r0 = socket$unix(0x1, 0x2, 0x0) sendmsg$unix(r0, &(0x7f00000003c0)={0x0, 0x0, &(0x7f0000000380)=[{&(0x7f00000000c0)="196bbd10d648e15729cdc3ab0d41585a532fa0372390c9c585b651ee01d26e362b", 0x21}, {&(0x7f0000000100)="57266ecb72a84ebf98a747bea4800dae8bc0a77c5545da4c273632b4b9148d27e9e60ac6029fb3cf40f7f59a3139022ad4ed338d48696aada3950f5e59c9c9b4d691c9c50ae3abd06354b76ccf925c1f043b5e6b9e203077b60da79f02060e137a01dc85ebfc20cbead073dd480851fb616bcaa89fb6e8ac0b", 0x79}, {&(0x7f0000000180)="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", 0xfd}, {&(0x7f0000000280)="fe9d6561e4117d832c201dc0cfc0366cf7d03d4d7b1e3dc4f3babf671104ae493e8ce10ce297d7b34cbbb13d564ca9ff63d6d4c864ea042ea2567785019528b7b5b8c5136bb84bc1b0299921c604e73154ac2fd15fa1c165a7376cf4d631975b75eb3457565f5c410632d6c4c05ddede7be5d0fb5ea27809cb9b2d2e49dd236d7304016d680212730c6640ff6828689349c1e9d119d18119cd66188e150cf32cbd778ca3080f0b1d9180c74203341b3fd6828a32a93a2c9c1ef1381801e28e3496666c6424c83bf4d97ad60a", 0xcc}], 0x4}, 0x4000) 12:26:28 executing program 0: syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) 12:26:28 executing program 5: syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0xa8a200) ioctl$NBD_SET_SOCK(0xffffffffffffffff, 0xab00, 0xffffffffffffffff) 12:26:28 executing program 3: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) perf_event_open$cgroup(&(0x7f0000000080)={0x3, 0x80, 0x9, 0x8, 0x8, 0x5, 0x0, 0x3, 0x400, 0x9, 0x1, 0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x1, 0x1, 0x0, 0x0, 0x1, 0x1, 0x1, 0x3, 0x1, 0x1, 0x1, 0x1, 0x1, 0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1, 0x1, 0x0, 0x1, 0x0, 0x1, 0x4, @perf_bp={&(0x7f0000000100)}, 0x80000, 0x2, 0x5, 0x8, 0x6, 0x401, 0x0, 0x0, 0x6b06, 0x0, 0xffffffff}, 0xffffffffffffffff, 0x0, 0xffffffffffffffff, 0xa) r1 = openat$null(0xffffffffffffff9c, &(0x7f0000000040), 0x5a1103, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) [ 348.637447] nbd: couldn't find device at index -1 [ 348.642910] nbd: couldn't find device at index -1 [ 348.647782] nbd: couldn't find device at index -1 [ 348.653270] nbd: couldn't find device at index -1 [ 348.658146] nbd: couldn't find device at index -1 [ 348.663920] nbd: couldn't find device at index -1 [ 348.669285] nbd: couldn't find device at index -1 [ 348.674172] nbd: couldn't find device at index -1 12:26:28 executing program 5: syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0xa8a200) ioctl$NBD_SET_SOCK(0xffffffffffffffff, 0xab00, 0xffffffffffffffff) 12:26:28 executing program 4: r0 = socket$unix(0x1, 0x2, 0x0) sendmsg$unix(r0, &(0x7f00000003c0)={&(0x7f0000000040)=@abs, 0x6e, &(0x7f0000000380)=[{&(0x7f00000000c0)="196bbd10d648e15729cdc3ab0d41585a532fa0372390c9c585b651ee01d26e362b", 0x21}, {&(0x7f0000000100)="57266ecb72a84ebf98a747bea4800dae8bc0a77c5545da4c273632b4b9148d27e9e60ac6029fb3cf40f7f59a3139022ad4ed338d48696aada3950f5e59c9c9b4d691c9c50ae3abd06354b76ccf925c1f043b5e6b9e203077b60da79f02060e137a01dc85ebfc20cbead073dd480851fb616bcaa89fb6e8ac0b", 0x79}, {&(0x7f0000000180)="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", 0xfd}, {&(0x7f0000000280)="fe9d6561e4117d832c201dc0cfc0366cf7d03d4d7b1e3dc4f3babf671104ae493e8ce10ce297d7b34cbbb13d564ca9ff63d6d4c864ea042ea2567785019528b7b5b8c5136bb84bc1b0299921c604e73154ac2fd15fa1c165a7376cf4d631975b75eb3457565f5c410632d6c4c05ddede7be5d0fb5ea27809cb9b2d2e49dd236d7304016d680212730c6640ff6828689349c1e9d119d18119cd66188e150cf32cbd778ca3080f0b1d9180c74203341b3fd6828a32a93a2c9c1ef1381801e28e3496666c6424c83bf4d97ad60a", 0xcc}], 0x4}, 0x4000) 12:26:28 executing program 3: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) perf_event_open$cgroup(&(0x7f0000000080)={0x3, 0x80, 0x9, 0x8, 0x8, 0x5, 0x0, 0x3, 0x400, 0x9, 0x1, 0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x1, 0x1, 0x0, 0x0, 0x1, 0x1, 0x1, 0x3, 0x1, 0x1, 0x1, 0x1, 0x1, 0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1, 0x1, 0x0, 0x1, 0x0, 0x1, 0x4, @perf_bp={&(0x7f0000000100)}, 0x80000, 0x2, 0x5, 0x8, 0x6, 0x401, 0x0, 0x0, 0x6b06, 0x0, 0xffffffff}, 0xffffffffffffffff, 0x0, 0xffffffffffffffff, 0xa) r1 = openat$null(0xffffffffffffff9c, &(0x7f0000000040), 0x5a1103, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) (async) perf_event_open$cgroup(&(0x7f0000000080)={0x3, 0x80, 0x9, 0x8, 0x8, 0x5, 0x0, 0x3, 0x400, 0x9, 0x1, 0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x1, 0x1, 0x0, 0x0, 0x1, 0x1, 0x1, 0x3, 0x1, 0x1, 0x1, 0x1, 0x1, 0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1, 0x1, 0x0, 0x1, 0x0, 0x1, 0x4, @perf_bp={&(0x7f0000000100)}, 0x80000, 0x2, 0x5, 0x8, 0x6, 0x401, 0x0, 0x0, 0x6b06, 0x0, 0xffffffff}, 0xffffffffffffffff, 0x0, 0xffffffffffffffff, 0xa) (async) openat$null(0xffffffffffffff9c, &(0x7f0000000040), 0x5a1103, 0x0) (async) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) (async) 12:26:28 executing program 0: syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) 12:26:28 executing program 5: syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) 12:26:28 executing program 0: syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) [ 348.756441] nbd: couldn't find device at index -1 12:26:28 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r1) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NL802154_CMD_SET_CCA_ED_LEVEL(r3, &(0x7f0000000b40)={&(0x7f0000000a80), 0xc, &(0x7f0000000b00)={&(0x7f0000000ac0)={0x14, 0x0, 0x1}, 0x14}}, 0x0) sendmsg$NBD_CMD_DISCONNECT(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000300)=ANY=[@ANYRES64=r2, @ANYRES16=r2, @ANYBLOB="01002dbd7000fddbdf25020000000c00030001000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="48e9dd0483d6e998fd52cbe261e603114db85dd3bfc2f686b8cce5cdecffbf5e8651d6f9109e0bd5d502dce145abd2c2f3b4a66e7b23142b23de86d5d01a15c0a56d9990a6978e552ca78010240b9f7f5f9517b634893702d2fd5994190a6bf758a1739fdb9c6c8d8f33e8060105bfba16f376f0c62519a5f1d4986887376921b52a3dd2a3", @ANYRESOCT=r0, @ANYRES32=0x0], 0x6c}}, 0x0) 12:26:28 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), 0xffffffffffffffff) sendmsg$NBD_CMD_DISCONNECT(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000000)=ANY=[@ANYBLOB='l\x00\x00\x00', @ANYRES16=r2, @ANYBLOB="01002dbd7000fddbdf25020000000c00030001000100", @ANYRES32, @ANYBLOB="0800014036ece36e359549877f56ad75273423ebf727", @ANYRES32=r1, @ANYBLOB], 0x6c}}, 0x0) 12:26:28 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(0x0, r1) sendmsg$NBD_CMD_DISCONNECT(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000000)=ANY=[@ANYBLOB='l\x00\x00\x00', @ANYRES16=r2, @ANYBLOB="01002dbd7000fddbdf25020000000c00030001000100", @ANYRES32, @ANYBLOB="0800014036ece36e359549877f56ad75273423ebf727", @ANYRES32=r1, @ANYBLOB], 0x6c}}, 0x0) 12:26:28 executing program 3: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) (async) perf_event_open$cgroup(&(0x7f0000000080)={0x3, 0x80, 0x9, 0x8, 0x8, 0x5, 0x0, 0x3, 0x400, 0x9, 0x1, 0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x1, 0x1, 0x0, 0x0, 0x1, 0x1, 0x1, 0x3, 0x1, 0x1, 0x1, 0x1, 0x1, 0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1, 0x1, 0x0, 0x1, 0x0, 0x1, 0x4, @perf_bp={&(0x7f0000000100)}, 0x80000, 0x2, 0x5, 0x8, 0x6, 0x401, 0x0, 0x0, 0x6b06, 0x0, 0xffffffff}, 0xffffffffffffffff, 0x0, 0xffffffffffffffff, 0xa) (async) r1 = openat$null(0xffffffffffffff9c, &(0x7f0000000040), 0x5a1103, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) 12:26:28 executing program 4: r0 = socket$unix(0x1, 0x2, 0x0) sendmsg$unix(r0, &(0x7f00000003c0)={&(0x7f0000000040)=@abs, 0x6e, 0x0}, 0x4000) 12:26:28 executing program 0: r0 = socket$unix(0x1, 0x2, 0x0) sendmsg$unix(r0, &(0x7f00000003c0)={0x0, 0x0, &(0x7f0000000380)=[{&(0x7f00000000c0)="196bbd10d648e15729cdc3ab0d41585a532fa0372390c9c585b651ee01d26e362b", 0x21}, {&(0x7f0000000100)="57266ecb72a84ebf98a747bea4800dae8bc0a77c5545da4c273632b4b9148d27e9e60ac6029fb3cf40f7f59a3139022ad4ed338d48696aada3950f5e59c9c9b4d691c9c50ae3abd06354b76ccf925c1f043b5e6b9e203077b60da79f02060e137a01dc85ebfc20cbead073dd480851fb616bcaa89fb6e8ac0b", 0x79}, {&(0x7f0000000180)="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", 0xfd}, {&(0x7f0000000280)="fe9d6561e4117d832c201dc0cfc0366cf7d03d4d7b1e3dc4f3babf671104ae493e8ce10ce297d7b34cbbb13d564ca9ff63d6d4c864ea042ea2567785019528b7b5b8c5136bb84bc1b0299921c604e73154ac2fd15fa1c165a7376cf4d631975b75eb3457565f5c410632d6c4c05ddede7be5d0fb5ea27809cb9b2d2e49dd236d7304016d680212730c6640ff6828689349c1e9d119d18119cd66188e150cf32cbd778ca3080f0b1d9180c74203341b3fd6828a32a93a2c9c1ef1381801e28e3496666c6424c83bf4d97ad60a", 0xcc}], 0x4}, 0x4000) 12:26:28 executing program 5: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, 0xffffffffffffffff) 12:26:28 executing program 3: r0 = syz_open_dev$ndb(&(0x7f0000000080), 0x0, 0x501000) ioctl$NBD_SET_SOCK(r0, 0xab00, 0xffffffffffffffff) syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x6a563bf1255efb6e) 12:26:28 executing program 0: r0 = socket$unix(0x1, 0x2, 0x0) sendmsg$unix(r0, &(0x7f00000003c0)={0x0, 0x0, &(0x7f0000000380)=[{&(0x7f00000000c0)="196bbd10d648e15729cdc3ab0d41585a532fa0372390c9c585b651ee01d26e362b", 0x21}, {&(0x7f0000000100)="57266ecb72a84ebf98a747bea4800dae8bc0a77c5545da4c273632b4b9148d27e9e60ac6029fb3cf40f7f59a3139022ad4ed338d48696aada3950f5e59c9c9b4d691c9c50ae3abd06354b76ccf925c1f043b5e6b9e203077b60da79f02060e137a01dc85ebfc20cbead073dd480851fb616bcaa89fb6e8ac0b", 0x79}, {&(0x7f0000000180)="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", 0xfd}, {&(0x7f0000000280)="fe9d6561e4117d832c201dc0cfc0366cf7d03d4d7b1e3dc4f3babf671104ae493e8ce10ce297d7b34cbbb13d564ca9ff63d6d4c864ea042ea2567785019528b7b5b8c5136bb84bc1b0299921c604e73154ac2fd15fa1c165a7376cf4d631975b75eb3457565f5c410632d6c4c05ddede7be5d0fb5ea27809cb9b2d2e49dd236d7304016d680212730c6640ff6828689349c1e9d119d18119cd66188e150cf32cbd778ca3080f0b1d9180c74203341b3fd6828a32a93a2c9c1ef1381801e28e3496666c6424c83bf4d97ad60a", 0xcc}], 0x4}, 0x4000) 12:26:28 executing program 4: r0 = socket$unix(0x1, 0x2, 0x0) sendmsg$unix(r0, &(0x7f00000003c0)={&(0x7f0000000040)=@abs, 0x6e, 0x0}, 0x4000) 12:26:28 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), 0xffffffffffffffff) sendmsg$NBD_CMD_DISCONNECT(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000000)=ANY=[@ANYBLOB='l\x00\x00\x00', @ANYRES16=r2, @ANYBLOB="01002dbd7000fddbdf25020000000c00030001000100", @ANYRES32, @ANYBLOB="0800014036ece36e359549877f56ad75273423ebf727", @ANYRES32=r1, @ANYBLOB], 0x6c}}, 0x0) 12:26:28 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r1) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NL802154_CMD_SET_CCA_ED_LEVEL(r3, &(0x7f0000000b40)={&(0x7f0000000a80), 0xc, &(0x7f0000000b00)={&(0x7f0000000ac0)={0x14, 0x0, 0x1}, 0x14}}, 0x0) sendmsg$NBD_CMD_DISCONNECT(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000300)=ANY=[@ANYRES64=r2, @ANYRES16=r2, @ANYBLOB="01002dbd7000fddbdf25020000000c00030001000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="48e9dd0483d6e998fd52cbe261e603114db85dd3bfc2f686b8cce5cdecffbf5e8651d6f9109e0bd5d502dce145abd2c2f3b4a66e7b23142b23de86d5d01a15c0a56d9990a6978e552ca78010240b9f7f5f9517b634893702d2fd5994190a6bf758a1739fdb9c6c8d8f33e8060105bfba16f376f0c62519a5f1d4986887376921b52a3dd2a3", @ANYRESOCT=r0, @ANYRES32=0x0], 0x6c}}, 0x0) 12:26:28 executing program 5: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, 0xffffffffffffffff) 12:26:28 executing program 3: r0 = syz_open_dev$ndb(&(0x7f0000000080), 0x0, 0x501000) ioctl$NBD_SET_SOCK(r0, 0xab00, 0xffffffffffffffff) syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x6a563bf1255efb6e) syz_open_dev$ndb(&(0x7f0000000080), 0x0, 0x501000) (async) ioctl$NBD_SET_SOCK(r0, 0xab00, 0xffffffffffffffff) (async) syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x6a563bf1255efb6e) (async) 12:26:28 executing program 4: r0 = socket$unix(0x1, 0x2, 0x0) sendmsg$unix(r0, &(0x7f00000003c0)={&(0x7f0000000040)=@abs, 0x6e, 0x0}, 0x4000) 12:26:28 executing program 0: r0 = socket$unix(0x1, 0x2, 0x0) sendmsg$unix(r0, &(0x7f00000003c0)={0x0, 0x0, &(0x7f0000000380)=[{&(0x7f00000000c0)="196bbd10d648e15729cdc3ab0d41585a532fa0372390c9c585b651ee01d26e362b", 0x21}, {&(0x7f0000000100)="57266ecb72a84ebf98a747bea4800dae8bc0a77c5545da4c273632b4b9148d27e9e60ac6029fb3cf40f7f59a3139022ad4ed338d48696aada3950f5e59c9c9b4d691c9c50ae3abd06354b76ccf925c1f043b5e6b9e203077b60da79f02060e137a01dc85ebfc20cbead073dd480851fb616bcaa89fb6e8ac0b", 0x79}, {&(0x7f0000000180)="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", 0xfd}, {&(0x7f0000000280)="fe9d6561e4117d832c201dc0cfc0366cf7d03d4d7b1e3dc4f3babf671104ae493e8ce10ce297d7b34cbbb13d564ca9ff63d6d4c864ea042ea2567785019528b7b5b8c5136bb84bc1b0299921c604e73154ac2fd15fa1c165a7376cf4d631975b75eb3457565f5c410632d6c4c05ddede7be5d0fb5ea27809cb9b2d2e49dd236d7304016d680212730c6640ff6828689349c1e9d119d18119cd66188e150cf32cbd778ca3080f0b1d9180c74203341b3fd6828a32a93a2c9c1ef1381801e28e3496666c6424c83bf4d97ad60a", 0xcc}], 0x4}, 0x4000) 12:26:28 executing program 2: syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r0) sendmsg$NBD_CMD_DISCONNECT(0xffffffffffffffff, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000000)=ANY=[@ANYBLOB='l\x00\x00\x00', @ANYRES16=r1, @ANYBLOB="01002dbd7000fddbdf25020000000c00030001000100", @ANYRES32, @ANYBLOB="0800014036ece36e359549877f56ad75273423ebf727", @ANYRES32=r0, @ANYBLOB], 0x6c}}, 0x0) 12:26:28 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r1) (async, rerun: 64) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (rerun: 64) sendmsg$NL802154_CMD_SET_CCA_ED_LEVEL(r3, &(0x7f0000000b40)={&(0x7f0000000a80), 0xc, &(0x7f0000000b00)={&(0x7f0000000ac0)={0x14, 0x0, 0x1}, 0x14}}, 0x0) (async) sendmsg$NBD_CMD_DISCONNECT(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000300)=ANY=[@ANYRES64=r2, @ANYRES16=r2, @ANYBLOB="01002dbd7000fddbdf25020000000c00030001000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="48e9dd0483d6e998fd52cbe261e603114db85dd3bfc2f686b8cce5cdecffbf5e8651d6f9109e0bd5d502dce145abd2c2f3b4a66e7b23142b23de86d5d01a15c0a56d9990a6978e552ca78010240b9f7f5f9517b634893702d2fd5994190a6bf758a1739fdb9c6c8d8f33e8060105bfba16f376f0c62519a5f1d4986887376921b52a3dd2a3", @ANYRESOCT=r0, @ANYRES32=0x0], 0x6c}}, 0x0) 12:26:28 executing program 5: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, 0xffffffffffffffff) 12:26:28 executing program 3: r0 = syz_open_dev$ndb(&(0x7f0000000080), 0x0, 0x501000) ioctl$NBD_SET_SOCK(r0, 0xab00, 0xffffffffffffffff) (async) syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x6a563bf1255efb6e) 12:26:28 executing program 4: r0 = socket$unix(0x1, 0x2, 0x0) sendmsg$unix(r0, &(0x7f00000003c0)={&(0x7f0000000040)=@abs, 0x6e, &(0x7f0000000380)=[{&(0x7f00000000c0)="196bbd10d648e15729cdc3ab0d41585a532fa0372390c9c585b651ee01d26e362b", 0x21}, {&(0x7f0000000100)="57266ecb72a84ebf98a747bea4800dae8bc0a77c5545da4c273632b4b9148d27e9e60ac6029fb3cf40f7f59a3139022ad4ed338d48696aada3950f5e59c9c9b4d691c9c50ae3abd06354b76ccf925c1f043b5e6b9e203077b60da79f02060e137a01dc85ebfc20cbead073dd480851fb616bcaa89fb6e8ac0b", 0x79}, {&(0x7f0000000180)="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", 0xfd}], 0x3}, 0x4000) 12:26:28 executing program 4: r0 = socket$unix(0x1, 0x2, 0x0) sendmsg$unix(r0, &(0x7f00000003c0)={&(0x7f0000000040)=@abs, 0x6e, &(0x7f0000000380)=[{&(0x7f00000000c0)="196bbd10d648e15729cdc3ab0d41585a532fa0372390c9c585b651ee01d26e362b", 0x21}, {&(0x7f0000000100)="57266ecb72a84ebf98a747bea4800dae8bc0a77c5545da4c273632b4b9148d27e9e60ac6029fb3cf40f7f59a3139022ad4ed338d48696aada3950f5e59c9c9b4d691c9c50ae3abd06354b76ccf925c1f043b5e6b9e203077b60da79f02060e137a01dc85ebfc20cbead073dd480851fb616bcaa89fb6e8ac0b", 0x79}], 0x2}, 0x4000) 12:26:28 executing program 5: syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) 12:26:28 executing program 0: sendmsg$unix(0xffffffffffffffff, &(0x7f00000003c0)={0x0, 0x0, &(0x7f0000000380)=[{&(0x7f00000000c0)="196bbd10d648e15729cdc3ab0d41585a532fa0372390c9c585b651ee01d26e362b", 0x21}, {&(0x7f0000000100)="57266ecb72a84ebf98a747bea4800dae8bc0a77c5545da4c273632b4b9148d27e9e60ac6029fb3cf40f7f59a3139022ad4ed338d48696aada3950f5e59c9c9b4d691c9c50ae3abd06354b76ccf925c1f043b5e6b9e203077b60da79f02060e137a01dc85ebfc20cbead073dd480851fb616bcaa89fb6e8ac0b", 0x79}, {&(0x7f0000000180)="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", 0xfd}, {&(0x7f0000000280)="fe9d6561e4117d832c201dc0cfc0366cf7d03d4d7b1e3dc4f3babf671104ae493e8ce10ce297d7b34cbbb13d564ca9ff63d6d4c864ea042ea2567785019528b7b5b8c5136bb84bc1b0299921c604e73154ac2fd15fa1c165a7376cf4d631975b75eb3457565f5c410632d6c4c05ddede7be5d0fb5ea27809cb9b2d2e49dd236d7304016d680212730c6640ff6828689349c1e9d119d18119cd66188e150cf32cbd778ca3080f0b1d9180c74203341b3fd6828a32a93a2c9c1ef1381801e28e3496666c6424c83bf4d97ad60a", 0xcc}], 0x4}, 0x4000) 12:26:28 executing program 3: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x200040) ioctl$NBD_SET_SOCK(r0, 0xab00, 0xffffffffffffffff) 12:26:28 executing program 2: syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r0) sendmsg$NBD_CMD_DISCONNECT(0xffffffffffffffff, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000000)=ANY=[@ANYBLOB='l\x00\x00\x00', @ANYRES16=r1, @ANYBLOB="01002dbd7000fddbdf25020000000c00030001000100", @ANYRES32, @ANYBLOB="0800014036ece36e359549877f56ad75273423ebf727", @ANYRES32=r0, @ANYBLOB], 0x6c}}, 0x0) 12:26:28 executing program 4: r0 = socket$unix(0x1, 0x2, 0x0) sendmsg$unix(r0, &(0x7f00000003c0)={&(0x7f0000000040)=@abs, 0x6e, &(0x7f0000000380)=[{&(0x7f00000000c0)="196bbd10d648e15729cdc3ab0d41585a532fa0372390c9c585b651ee01d26e362b", 0x21}], 0x1}, 0x4000) 12:26:28 executing program 3: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x200040) ioctl$NBD_SET_SOCK(r0, 0xab00, 0xffffffffffffffff) 12:26:28 executing program 0: sendmsg$unix(0xffffffffffffffff, &(0x7f00000003c0)={0x0, 0x0, &(0x7f0000000380)=[{&(0x7f00000000c0)="196bbd10d648e15729cdc3ab0d41585a532fa0372390c9c585b651ee01d26e362b", 0x21}, {&(0x7f0000000100)="57266ecb72a84ebf98a747bea4800dae8bc0a77c5545da4c273632b4b9148d27e9e60ac6029fb3cf40f7f59a3139022ad4ed338d48696aada3950f5e59c9c9b4d691c9c50ae3abd06354b76ccf925c1f043b5e6b9e203077b60da79f02060e137a01dc85ebfc20cbead073dd480851fb616bcaa89fb6e8ac0b", 0x79}, {&(0x7f0000000180)="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", 0xfd}, {&(0x7f0000000280)="fe9d6561e4117d832c201dc0cfc0366cf7d03d4d7b1e3dc4f3babf671104ae493e8ce10ce297d7b34cbbb13d564ca9ff63d6d4c864ea042ea2567785019528b7b5b8c5136bb84bc1b0299921c604e73154ac2fd15fa1c165a7376cf4d631975b75eb3457565f5c410632d6c4c05ddede7be5d0fb5ea27809cb9b2d2e49dd236d7304016d680212730c6640ff6828689349c1e9d119d18119cd66188e150cf32cbd778ca3080f0b1d9180c74203341b3fd6828a32a93a2c9c1ef1381801e28e3496666c6424c83bf4d97ad60a", 0xcc}], 0x4}, 0x4000) 12:26:28 executing program 2: syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r0) sendmsg$NBD_CMD_DISCONNECT(0xffffffffffffffff, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000000)=ANY=[@ANYBLOB='l\x00\x00\x00', @ANYRES16=r1, @ANYBLOB="01002dbd7000fddbdf25020000000c00030001000100", @ANYRES32, @ANYBLOB="0800014036ece36e359549877f56ad75273423ebf727", @ANYRES32=r0, @ANYBLOB], 0x6c}}, 0x0) 12:26:28 executing program 5: syz_open_dev$ndb(0x0, 0x0, 0x0) 12:26:28 executing program 3: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x200040) ioctl$NBD_SET_SOCK(r0, 0xab00, 0xffffffffffffffff) 12:26:28 executing program 4: r0 = socket$unix(0x1, 0x2, 0x0) sendmsg$unix(r0, &(0x7f00000003c0)={&(0x7f0000000040)=@abs, 0x6e, &(0x7f0000000380)=[{&(0x7f00000000c0)="196bbd10d648e15729cdc3ab0d41585a532fa0372390c9c585b651ee01d26e362b", 0x21}], 0x1}, 0x4000) 12:26:28 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) ioctl$sock_SIOCGIFINDEX_802154(r0, 0x8933, &(0x7f0000000080)={'wpan3\x00', 0x0}) r2 = syz_genetlink_get_family_id$nl802154(&(0x7f00000001c0), r0) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) ioctl$sock_SIOCGIFINDEX_802154(r3, 0x8933, &(0x7f0000000740)={'wpan0\x00', 0x0}) r5 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r6 = syz_genetlink_get_family_id$nl802154(&(0x7f00000013c0), 0xffffffffffffffff) sendmsg$NL802154_CMD_GET_WPAN_PHY(r5, &(0x7f0000000cc0)={0x0, 0x0, &(0x7f0000000c80)={&(0x7f0000000c00)={0x30, r6, 0x421, 0x0, 0x0, {}, [@NL802154_ATTR_WPAN_PHY={0x8, 0x1, 0x2}, @NL802154_ATTR_IFINDEX={0x8, 0x3, r4}, @NL802154_ATTR_WPAN_DEV={0xc, 0x6, 0x100000001}]}, 0x30}}, 0x0) r7 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) ioctl$sock_SIOCGIFINDEX_802154(r7, 0x8933, &(0x7f0000000740)={'wpan0\x00', 0x0}) r9 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r10 = syz_genetlink_get_family_id$nl802154(&(0x7f00000013c0), 0xffffffffffffffff) sendmsg$NL802154_CMD_GET_WPAN_PHY(r9, &(0x7f0000000cc0)={0x0, 0x0, &(0x7f0000000c80)={&(0x7f0000000c00)={0x30, r10, 0x421, 0x0, 0x0, {}, [@NL802154_ATTR_WPAN_PHY={0x8, 0x1, 0x2}, @NL802154_ATTR_IFINDEX={0x8, 0x3, r8}, @NL802154_ATTR_WPAN_DEV={0xc, 0x6, 0x100000001}]}, 0x30}}, 0x0) r11 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) ioctl$sock_SIOCGIFINDEX_802154(r11, 0x8933, &(0x7f0000000740)={'wpan0\x00', 0x0}) r13 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r14 = syz_genetlink_get_family_id$nl802154(&(0x7f00000013c0), 0xffffffffffffffff) sendmsg$NL802154_CMD_GET_WPAN_PHY(r13, &(0x7f0000000cc0)={0x0, 0x0, &(0x7f0000000c80)={&(0x7f0000000c00)={0x30, r14, 0x421, 0x0, 0x0, {}, [@NL802154_ATTR_WPAN_PHY={0x8, 0x1, 0x2}, @NL802154_ATTR_IFINDEX={0x8, 0x3, r12}, @NL802154_ATTR_WPAN_DEV={0xc, 0x6, 0x100000001}]}, 0x30}}, 0x0) sendmsg$NL802154_CMD_SET_CCA_MODE(r0, &(0x7f0000000500)={&(0x7f0000000180)={0x10, 0x0, 0x0, 0x2000000}, 0xc, &(0x7f0000000280)={&(0x7f0000000200)={0x5c, r2, 0x100, 0x70bd29, 0x25dfdbfe, {}, [@NL802154_ATTR_IFINDEX={0x8, 0x3, r4}, @NL802154_ATTR_IFINDEX={0x8, 0x3, r8}, @NL802154_ATTR_CCA_OPT={0x8, 0xd, 0x1}, @NL802154_ATTR_CCA_MODE={0x8}, @NL802154_ATTR_CCA_OPT={0x8}, @NL802154_ATTR_WPAN_PHY={0x8}, @NL802154_ATTR_IFINDEX={0x8, 0x3, r12}, @NL802154_ATTR_CCA_OPT={0x8}, @NL802154_ATTR_IFINDEX={0x8, 0x3, r1}]}, 0x5c}, 0x1, 0x0, 0x0, 0x4000000}, 0x1) sendmsg$NL802154_CMD_SET_MAX_FRAME_RETRIES(r0, &(0x7f00000002c0)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x80000}, 0xc, &(0x7f00000000c0)={&(0x7f0000000300)={0x14, 0x0, 0x2, 0x70bd28, 0x25dfdbfb}, 0x14}, 0x1, 0x0, 0x0, 0x20000000}, 0x880) r15 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r16 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r15) sendmsg$NBD_CMD_DISCONNECT(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000340)=ANY=[@ANYBLOB='l\x00\x00\x00', @ANYRES16=r16, @ANYBLOB="01002dbd7000fddbdf25020000000c00030001000100", @ANYRES32, @ANYBLOB="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", @ANYRES32, @ANYBLOB], 0x6c}}, 0x0) 12:26:28 executing program 0: sendmsg$unix(0xffffffffffffffff, &(0x7f00000003c0)={0x0, 0x0, &(0x7f0000000380)=[{&(0x7f00000000c0)="196bbd10d648e15729cdc3ab0d41585a532fa0372390c9c585b651ee01d26e362b", 0x21}, {&(0x7f0000000100)="57266ecb72a84ebf98a747bea4800dae8bc0a77c5545da4c273632b4b9148d27e9e60ac6029fb3cf40f7f59a3139022ad4ed338d48696aada3950f5e59c9c9b4d691c9c50ae3abd06354b76ccf925c1f043b5e6b9e203077b60da79f02060e137a01dc85ebfc20cbead073dd480851fb616bcaa89fb6e8ac0b", 0x79}, {&(0x7f0000000180)="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", 0xfd}, {&(0x7f0000000280)="fe9d6561e4117d832c201dc0cfc0366cf7d03d4d7b1e3dc4f3babf671104ae493e8ce10ce297d7b34cbbb13d564ca9ff63d6d4c864ea042ea2567785019528b7b5b8c5136bb84bc1b0299921c604e73154ac2fd15fa1c165a7376cf4d631975b75eb3457565f5c410632d6c4c05ddede7be5d0fb5ea27809cb9b2d2e49dd236d7304016d680212730c6640ff6828689349c1e9d119d18119cd66188e150cf32cbd778ca3080f0b1d9180c74203341b3fd6828a32a93a2c9c1ef1381801e28e3496666c6424c83bf4d97ad60a", 0xcc}], 0x4}, 0x4000) 12:26:28 executing program 5: syz_open_dev$ndb(0x0, 0x0, 0x0) 12:26:28 executing program 3: socketpair(0x6, 0x80000, 0x7, &(0x7f0000000040)={0xffffffffffffffff}) ioctl$IMCTRLREQ(r0, 0x80044945, &(0x7f0000000080)={0x4006, 0xaa, 0xab, 0x100}) r1 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x40) ioctl$NBD_SET_SOCK(r1, 0xab00, 0xffffffffffffffff) 12:26:28 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r1) sendmsg$NBD_CMD_DISCONNECT(r0, 0x0, 0x0) 12:26:28 executing program 4: r0 = socket$unix(0x1, 0x2, 0x0) sendmsg$unix(r0, &(0x7f00000003c0)={&(0x7f0000000040)=@abs, 0x6e, &(0x7f0000000380)=[{&(0x7f00000000c0)="196bbd10d648e15729cdc3ab0d41585a532fa0372390c9c585b651ee01d26e362b", 0x21}], 0x1}, 0x4000) 12:26:28 executing program 0: r0 = socket$unix(0x1, 0x0, 0x0) sendmsg$unix(r0, &(0x7f00000003c0)={0x0, 0x0, &(0x7f0000000380)=[{&(0x7f00000000c0)="196bbd10d648e15729cdc3ab0d41585a532fa0372390c9c585b651ee01d26e362b", 0x21}, {&(0x7f0000000100)="57266ecb72a84ebf98a747bea4800dae8bc0a77c5545da4c273632b4b9148d27e9e60ac6029fb3cf40f7f59a3139022ad4ed338d48696aada3950f5e59c9c9b4d691c9c50ae3abd06354b76ccf925c1f043b5e6b9e203077b60da79f02060e137a01dc85ebfc20cbead073dd480851fb616bcaa89fb6e8ac0b", 0x79}, {&(0x7f0000000180)="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", 0xfd}, {&(0x7f0000000280)="fe9d6561e4117d832c201dc0cfc0366cf7d03d4d7b1e3dc4f3babf671104ae493e8ce10ce297d7b34cbbb13d564ca9ff63d6d4c864ea042ea2567785019528b7b5b8c5136bb84bc1b0299921c604e73154ac2fd15fa1c165a7376cf4d631975b75eb3457565f5c410632d6c4c05ddede7be5d0fb5ea27809cb9b2d2e49dd236d7304016d680212730c6640ff6828689349c1e9d119d18119cd66188e150cf32cbd778ca3080f0b1d9180c74203341b3fd6828a32a93a2c9c1ef1381801e28e3496666c6424c83bf4d97ad60a", 0xcc}], 0x4}, 0x4000) 12:26:28 executing program 5: syz_open_dev$ndb(0x0, 0x0, 0x0) 12:26:28 executing program 3: socketpair(0x6, 0x80000, 0x7, &(0x7f0000000040)={0xffffffffffffffff}) ioctl$IMCTRLREQ(r0, 0x80044945, &(0x7f0000000080)={0x4006, 0xaa, 0xab, 0x100}) (async) r1 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x40) ioctl$NBD_SET_SOCK(r1, 0xab00, 0xffffffffffffffff) [ 349.363120] nla_parse: 57 callbacks suppressed [ 349.363126] netlink: 68 bytes leftover after parsing attributes in process `syz-executor.1'. 12:26:29 executing program 4: r0 = socket$unix(0x1, 0x2, 0x0) sendmsg$unix(r0, &(0x7f00000003c0)={&(0x7f0000000040)=@abs, 0x6e, &(0x7f0000000380)=[{&(0x7f00000000c0)="196bbd10d648e15729cdc3ab0d41585a532fa0372390c9c585b651ee01d26e362b", 0x21}, {0x0}], 0x2}, 0x4000) 12:26:29 executing program 0: r0 = socket$unix(0x1, 0x0, 0x0) sendmsg$unix(r0, &(0x7f00000003c0)={0x0, 0x0, &(0x7f0000000380)=[{&(0x7f00000000c0)="196bbd10d648e15729cdc3ab0d41585a532fa0372390c9c585b651ee01d26e362b", 0x21}, {&(0x7f0000000100)="57266ecb72a84ebf98a747bea4800dae8bc0a77c5545da4c273632b4b9148d27e9e60ac6029fb3cf40f7f59a3139022ad4ed338d48696aada3950f5e59c9c9b4d691c9c50ae3abd06354b76ccf925c1f043b5e6b9e203077b60da79f02060e137a01dc85ebfc20cbead073dd480851fb616bcaa89fb6e8ac0b", 0x79}, {&(0x7f0000000180)="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", 0xfd}, {&(0x7f0000000280)="fe9d6561e4117d832c201dc0cfc0366cf7d03d4d7b1e3dc4f3babf671104ae493e8ce10ce297d7b34cbbb13d564ca9ff63d6d4c864ea042ea2567785019528b7b5b8c5136bb84bc1b0299921c604e73154ac2fd15fa1c165a7376cf4d631975b75eb3457565f5c410632d6c4c05ddede7be5d0fb5ea27809cb9b2d2e49dd236d7304016d680212730c6640ff6828689349c1e9d119d18119cd66188e150cf32cbd778ca3080f0b1d9180c74203341b3fd6828a32a93a2c9c1ef1381801e28e3496666c6424c83bf4d97ad60a", 0xcc}], 0x4}, 0x4000) 12:26:29 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r1) sendmsg$NBD_CMD_DISCONNECT(r0, 0x0, 0x0) 12:26:29 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) ioctl$sock_SIOCGIFINDEX_802154(r0, 0x8933, &(0x7f0000000080)={'wpan3\x00', 0x0}) (async, rerun: 64) r2 = syz_genetlink_get_family_id$nl802154(&(0x7f00000001c0), r0) (rerun: 64) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) ioctl$sock_SIOCGIFINDEX_802154(r3, 0x8933, &(0x7f0000000740)={'wpan0\x00', 0x0}) (async) r5 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async, rerun: 32) r6 = syz_genetlink_get_family_id$nl802154(&(0x7f00000013c0), 0xffffffffffffffff) (rerun: 32) sendmsg$NL802154_CMD_GET_WPAN_PHY(r5, &(0x7f0000000cc0)={0x0, 0x0, &(0x7f0000000c80)={&(0x7f0000000c00)={0x30, r6, 0x421, 0x0, 0x0, {}, [@NL802154_ATTR_WPAN_PHY={0x8, 0x1, 0x2}, @NL802154_ATTR_IFINDEX={0x8, 0x3, r4}, @NL802154_ATTR_WPAN_DEV={0xc, 0x6, 0x100000001}]}, 0x30}}, 0x0) (async) r7 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) ioctl$sock_SIOCGIFINDEX_802154(r7, 0x8933, &(0x7f0000000740)={'wpan0\x00', 0x0}) r9 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async, rerun: 64) r10 = syz_genetlink_get_family_id$nl802154(&(0x7f00000013c0), 0xffffffffffffffff) (rerun: 64) sendmsg$NL802154_CMD_GET_WPAN_PHY(r9, &(0x7f0000000cc0)={0x0, 0x0, &(0x7f0000000c80)={&(0x7f0000000c00)={0x30, r10, 0x421, 0x0, 0x0, {}, [@NL802154_ATTR_WPAN_PHY={0x8, 0x1, 0x2}, @NL802154_ATTR_IFINDEX={0x8, 0x3, r8}, @NL802154_ATTR_WPAN_DEV={0xc, 0x6, 0x100000001}]}, 0x30}}, 0x0) (async) r11 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) ioctl$sock_SIOCGIFINDEX_802154(r11, 0x8933, &(0x7f0000000740)={'wpan0\x00', 0x0}) (async) r13 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) r14 = syz_genetlink_get_family_id$nl802154(&(0x7f00000013c0), 0xffffffffffffffff) sendmsg$NL802154_CMD_GET_WPAN_PHY(r13, &(0x7f0000000cc0)={0x0, 0x0, &(0x7f0000000c80)={&(0x7f0000000c00)={0x30, r14, 0x421, 0x0, 0x0, {}, [@NL802154_ATTR_WPAN_PHY={0x8, 0x1, 0x2}, @NL802154_ATTR_IFINDEX={0x8, 0x3, r12}, @NL802154_ATTR_WPAN_DEV={0xc, 0x6, 0x100000001}]}, 0x30}}, 0x0) (async, rerun: 64) sendmsg$NL802154_CMD_SET_CCA_MODE(r0, &(0x7f0000000500)={&(0x7f0000000180)={0x10, 0x0, 0x0, 0x2000000}, 0xc, &(0x7f0000000280)={&(0x7f0000000200)={0x5c, r2, 0x100, 0x70bd29, 0x25dfdbfe, {}, [@NL802154_ATTR_IFINDEX={0x8, 0x3, r4}, @NL802154_ATTR_IFINDEX={0x8, 0x3, r8}, @NL802154_ATTR_CCA_OPT={0x8, 0xd, 0x1}, @NL802154_ATTR_CCA_MODE={0x8}, @NL802154_ATTR_CCA_OPT={0x8}, @NL802154_ATTR_WPAN_PHY={0x8}, @NL802154_ATTR_IFINDEX={0x8, 0x3, r12}, @NL802154_ATTR_CCA_OPT={0x8}, @NL802154_ATTR_IFINDEX={0x8, 0x3, r1}]}, 0x5c}, 0x1, 0x0, 0x0, 0x4000000}, 0x1) (rerun: 64) sendmsg$NL802154_CMD_SET_MAX_FRAME_RETRIES(r0, &(0x7f00000002c0)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x80000}, 0xc, &(0x7f00000000c0)={&(0x7f0000000300)={0x14, 0x0, 0x2, 0x70bd28, 0x25dfdbfb}, 0x14}, 0x1, 0x0, 0x0, 0x20000000}, 0x880) (async) r15 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r16 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r15) sendmsg$NBD_CMD_DISCONNECT(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000340)=ANY=[@ANYBLOB='l\x00\x00\x00', @ANYRES16=r16, @ANYBLOB="01002dbd7000fddbdf25020000000c00030001000100", @ANYRES32, @ANYBLOB="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", @ANYRES32, @ANYBLOB], 0x6c}}, 0x0) 12:26:29 executing program 3: socketpair(0x6, 0x80000, 0x7, &(0x7f0000000040)={0xffffffffffffffff}) ioctl$IMCTRLREQ(r0, 0x80044945, &(0x7f0000000080)={0x4006, 0xaa, 0xab, 0x100}) r1 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x40) ioctl$NBD_SET_SOCK(r1, 0xab00, 0xffffffffffffffff) socketpair(0x6, 0x80000, 0x7, &(0x7f0000000040)) (async) ioctl$IMCTRLREQ(r0, 0x80044945, &(0x7f0000000080)={0x4006, 0xaa, 0xab, 0x100}) (async) syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x40) (async) ioctl$NBD_SET_SOCK(r1, 0xab00, 0xffffffffffffffff) (async) 12:26:29 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), 0xffffffffffffffff) sendmsg$NBD_CMD_DISCONNECT(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000000)=ANY=[@ANYBLOB='l\x00\x00\x00', @ANYRES16=r2, @ANYBLOB="01002dbd7000fddbdf25020000000c00030001000100", @ANYRES32, @ANYBLOB="0800014036ece36e359549877f56ad75273423ebf727", @ANYRES32=r1, @ANYBLOB], 0x6c}}, 0x0) [ 349.413184] nbd: couldn't find device at index 1402227343 12:26:29 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r1) sendmsg$NBD_CMD_DISCONNECT(r0, 0x0, 0x0) 12:26:29 executing program 0: r0 = socket$unix(0x1, 0x0, 0x0) sendmsg$unix(r0, &(0x7f00000003c0)={0x0, 0x0, &(0x7f0000000380)=[{&(0x7f00000000c0)="196bbd10d648e15729cdc3ab0d41585a532fa0372390c9c585b651ee01d26e362b", 0x21}, {&(0x7f0000000100)="57266ecb72a84ebf98a747bea4800dae8bc0a77c5545da4c273632b4b9148d27e9e60ac6029fb3cf40f7f59a3139022ad4ed338d48696aada3950f5e59c9c9b4d691c9c50ae3abd06354b76ccf925c1f043b5e6b9e203077b60da79f02060e137a01dc85ebfc20cbead073dd480851fb616bcaa89fb6e8ac0b", 0x79}, {&(0x7f0000000180)="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", 0xfd}, {&(0x7f0000000280)="fe9d6561e4117d832c201dc0cfc0366cf7d03d4d7b1e3dc4f3babf671104ae493e8ce10ce297d7b34cbbb13d564ca9ff63d6d4c864ea042ea2567785019528b7b5b8c5136bb84bc1b0299921c604e73154ac2fd15fa1c165a7376cf4d631975b75eb3457565f5c410632d6c4c05ddede7be5d0fb5ea27809cb9b2d2e49dd236d7304016d680212730c6640ff6828689349c1e9d119d18119cd66188e150cf32cbd778ca3080f0b1d9180c74203341b3fd6828a32a93a2c9c1ef1381801e28e3496666c6424c83bf4d97ad60a", 0xcc}], 0x4}, 0x4000) 12:26:29 executing program 4: r0 = socket$unix(0x1, 0x2, 0x0) sendmsg$unix(r0, &(0x7f00000003c0)={&(0x7f0000000040)=@abs, 0x6e, &(0x7f0000000380)=[{0x0}], 0x1}, 0x4000) 12:26:29 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) ioctl$sock_SIOCGIFINDEX_802154(r0, 0x8933, &(0x7f0000000080)={'wpan3\x00', 0x0}) r2 = syz_genetlink_get_family_id$nl802154(&(0x7f00000001c0), r0) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) ioctl$sock_SIOCGIFINDEX_802154(r3, 0x8933, &(0x7f0000000740)={'wpan0\x00', 0x0}) r5 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r6 = syz_genetlink_get_family_id$nl802154(&(0x7f00000013c0), 0xffffffffffffffff) sendmsg$NL802154_CMD_GET_WPAN_PHY(r5, &(0x7f0000000cc0)={0x0, 0x0, &(0x7f0000000c80)={&(0x7f0000000c00)={0x30, r6, 0x421, 0x0, 0x0, {}, [@NL802154_ATTR_WPAN_PHY={0x8, 0x1, 0x2}, @NL802154_ATTR_IFINDEX={0x8, 0x3, r4}, @NL802154_ATTR_WPAN_DEV={0xc, 0x6, 0x100000001}]}, 0x30}}, 0x0) r7 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) ioctl$sock_SIOCGIFINDEX_802154(r7, 0x8933, &(0x7f0000000740)={'wpan0\x00', 0x0}) r9 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r10 = syz_genetlink_get_family_id$nl802154(&(0x7f00000013c0), 0xffffffffffffffff) sendmsg$NL802154_CMD_GET_WPAN_PHY(r9, &(0x7f0000000cc0)={0x0, 0x0, &(0x7f0000000c80)={&(0x7f0000000c00)={0x30, r10, 0x421, 0x0, 0x0, {}, [@NL802154_ATTR_WPAN_PHY={0x8, 0x1, 0x2}, @NL802154_ATTR_IFINDEX={0x8, 0x3, r8}, @NL802154_ATTR_WPAN_DEV={0xc, 0x6, 0x100000001}]}, 0x30}}, 0x0) r11 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) ioctl$sock_SIOCGIFINDEX_802154(r11, 0x8933, &(0x7f0000000740)={'wpan0\x00', 0x0}) r13 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r14 = syz_genetlink_get_family_id$nl802154(&(0x7f00000013c0), 0xffffffffffffffff) sendmsg$NL802154_CMD_GET_WPAN_PHY(r13, &(0x7f0000000cc0)={0x0, 0x0, &(0x7f0000000c80)={&(0x7f0000000c00)={0x30, r14, 0x421, 0x0, 0x0, {}, [@NL802154_ATTR_WPAN_PHY={0x8, 0x1, 0x2}, @NL802154_ATTR_IFINDEX={0x8, 0x3, r12}, @NL802154_ATTR_WPAN_DEV={0xc, 0x6, 0x100000001}]}, 0x30}}, 0x0) sendmsg$NL802154_CMD_SET_CCA_MODE(r0, &(0x7f0000000500)={&(0x7f0000000180)={0x10, 0x0, 0x0, 0x2000000}, 0xc, &(0x7f0000000280)={&(0x7f0000000200)={0x5c, r2, 0x100, 0x70bd29, 0x25dfdbfe, {}, [@NL802154_ATTR_IFINDEX={0x8, 0x3, r4}, @NL802154_ATTR_IFINDEX={0x8, 0x3, r8}, @NL802154_ATTR_CCA_OPT={0x8, 0xd, 0x1}, @NL802154_ATTR_CCA_MODE={0x8}, @NL802154_ATTR_CCA_OPT={0x8}, @NL802154_ATTR_WPAN_PHY={0x8}, @NL802154_ATTR_IFINDEX={0x8, 0x3, r12}, @NL802154_ATTR_CCA_OPT={0x8}, @NL802154_ATTR_IFINDEX={0x8, 0x3, r1}]}, 0x5c}, 0x1, 0x0, 0x0, 0x4000000}, 0x1) sendmsg$NL802154_CMD_SET_MAX_FRAME_RETRIES(r0, &(0x7f00000002c0)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x80000}, 0xc, &(0x7f00000000c0)={&(0x7f0000000300)={0x14, 0x0, 0x2, 0x70bd28, 0x25dfdbfb}, 0x14}, 0x1, 0x0, 0x0, 0x20000000}, 0x880) r15 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r16 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r15) sendmsg$NBD_CMD_DISCONNECT(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000340)=ANY=[@ANYBLOB='l\x00\x00\x00', @ANYRES16=r16, @ANYBLOB="01002dbd7000fddbdf25020000000c00030001000100", @ANYRES32, @ANYBLOB="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", @ANYRES32, @ANYBLOB], 0x6c}}, 0x0) 12:26:29 executing program 0: socket$unix(0x1, 0x2, 0x0) sendmsg$unix(0xffffffffffffffff, &(0x7f00000003c0)={0x0, 0x0, &(0x7f0000000380)=[{&(0x7f00000000c0)="196bbd10d648e15729cdc3ab0d41585a532fa0372390c9c585b651ee01d26e362b", 0x21}, {&(0x7f0000000100)="57266ecb72a84ebf98a747bea4800dae8bc0a77c5545da4c273632b4b9148d27e9e60ac6029fb3cf40f7f59a3139022ad4ed338d48696aada3950f5e59c9c9b4d691c9c50ae3abd06354b76ccf925c1f043b5e6b9e203077b60da79f02060e137a01dc85ebfc20cbead073dd480851fb616bcaa89fb6e8ac0b", 0x79}, {&(0x7f0000000180)="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", 0xfd}, {&(0x7f0000000280)="fe9d6561e4117d832c201dc0cfc0366cf7d03d4d7b1e3dc4f3babf671104ae493e8ce10ce297d7b34cbbb13d564ca9ff63d6d4c864ea042ea2567785019528b7b5b8c5136bb84bc1b0299921c604e73154ac2fd15fa1c165a7376cf4d631975b75eb3457565f5c410632d6c4c05ddede7be5d0fb5ea27809cb9b2d2e49dd236d7304016d680212730c6640ff6828689349c1e9d119d18119cd66188e150cf32cbd778ca3080f0b1d9180c74203341b3fd6828a32a93a2c9c1ef1381801e28e3496666c6424c83bf4d97ad60a", 0xcc}], 0x4}, 0x4000) 12:26:29 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r1) sendmsg$NBD_CMD_DISCONNECT(r0, &(0x7f0000000140)={0x0, 0x0, 0x0}, 0x0) 12:26:29 executing program 3: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x9200) r1 = openat$null(0xffffffffffffff9c, 0x0, 0x0, 0x0) mmap$perf(&(0x7f0000ffe000/0x2000)=nil, 0x2000, 0x0, 0x10, r1, 0x0) ioctl$MEDIA_IOC_G_TOPOLOGY(0xffffffffffffffff, 0xc0487c04, &(0x7f0000000500)={0x0, 0x3, 0x0, &(0x7f0000000040)=[{}, {}, {}], 0x3, 0x0, &(0x7f0000000180)=[{}, {}, {}], 0x5, 0x0, &(0x7f0000000300)=[{}, {}, {}, {0x0, 0x80000000, 0x0, {0x0}}, {}], 0x8, 0x0, &(0x7f00000003c0)=[{}, {}, {}, {}, {}, {}, {}, {}]}) ioctl$MEDIA_IOC_SETUP_LINK(r1, 0xc0347c03, &(0x7f0000000580)={{0x80000000, 0x0, 0x0, [0xbd, 0x20]}, {0x80000000, r2, 0x6, [0xfffffffc]}, 0x2, [0x400, 0x5]}) ioctl$NBD_SET_SOCK(r0, 0xab00, 0xffffffffffffffff) 12:26:29 executing program 4: r0 = socket$unix(0x1, 0x2, 0x0) sendmsg$unix(r0, &(0x7f00000003c0)={&(0x7f0000000040)=@abs, 0x6e, &(0x7f0000000380)=[{0x0}], 0x1}, 0x4000) 12:26:29 executing program 0: socket$unix(0x1, 0x2, 0x0) sendmsg$unix(0xffffffffffffffff, &(0x7f00000003c0)={0x0, 0x0, &(0x7f0000000380)=[{&(0x7f00000000c0)="196bbd10d648e15729cdc3ab0d41585a532fa0372390c9c585b651ee01d26e362b", 0x21}, {&(0x7f0000000100)="57266ecb72a84ebf98a747bea4800dae8bc0a77c5545da4c273632b4b9148d27e9e60ac6029fb3cf40f7f59a3139022ad4ed338d48696aada3950f5e59c9c9b4d691c9c50ae3abd06354b76ccf925c1f043b5e6b9e203077b60da79f02060e137a01dc85ebfc20cbead073dd480851fb616bcaa89fb6e8ac0b", 0x79}, {&(0x7f0000000180)="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", 0xfd}, {&(0x7f0000000280)="fe9d6561e4117d832c201dc0cfc0366cf7d03d4d7b1e3dc4f3babf671104ae493e8ce10ce297d7b34cbbb13d564ca9ff63d6d4c864ea042ea2567785019528b7b5b8c5136bb84bc1b0299921c604e73154ac2fd15fa1c165a7376cf4d631975b75eb3457565f5c410632d6c4c05ddede7be5d0fb5ea27809cb9b2d2e49dd236d7304016d680212730c6640ff6828689349c1e9d119d18119cd66188e150cf32cbd778ca3080f0b1d9180c74203341b3fd6828a32a93a2c9c1ef1381801e28e3496666c6424c83bf4d97ad60a", 0xcc}], 0x4}, 0x4000) [ 349.648841] netlink: 68 bytes leftover after parsing attributes in process `syz-executor.5'. [ 349.657445] nbd: couldn't find device at index 1402227343 [ 349.685843] netlink: 68 bytes leftover after parsing attributes in process `syz-executor.1'. [ 349.708214] nbd: couldn't find device at index 1402227343 12:26:29 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) ioctl$sock_SIOCGIFINDEX_802154(r0, 0x8933, &(0x7f0000000080)={'wpan3\x00', 0x0}) (async) r2 = syz_genetlink_get_family_id$nl802154(&(0x7f00000001c0), r0) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) ioctl$sock_SIOCGIFINDEX_802154(r3, 0x8933, &(0x7f0000000740)={'wpan0\x00', 0x0}) r5 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r6 = syz_genetlink_get_family_id$nl802154(&(0x7f00000013c0), 0xffffffffffffffff) sendmsg$NL802154_CMD_GET_WPAN_PHY(r5, &(0x7f0000000cc0)={0x0, 0x0, &(0x7f0000000c80)={&(0x7f0000000c00)={0x30, r6, 0x421, 0x0, 0x0, {}, [@NL802154_ATTR_WPAN_PHY={0x8, 0x1, 0x2}, @NL802154_ATTR_IFINDEX={0x8, 0x3, r4}, @NL802154_ATTR_WPAN_DEV={0xc, 0x6, 0x100000001}]}, 0x30}}, 0x0) r7 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) ioctl$sock_SIOCGIFINDEX_802154(r7, 0x8933, &(0x7f0000000740)={'wpan0\x00', 0x0}) r9 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) r10 = syz_genetlink_get_family_id$nl802154(&(0x7f00000013c0), 0xffffffffffffffff) sendmsg$NL802154_CMD_GET_WPAN_PHY(r9, &(0x7f0000000cc0)={0x0, 0x0, &(0x7f0000000c80)={&(0x7f0000000c00)={0x30, r10, 0x421, 0x0, 0x0, {}, [@NL802154_ATTR_WPAN_PHY={0x8, 0x1, 0x2}, @NL802154_ATTR_IFINDEX={0x8, 0x3, r8}, @NL802154_ATTR_WPAN_DEV={0xc, 0x6, 0x100000001}]}, 0x30}}, 0x0) r11 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) ioctl$sock_SIOCGIFINDEX_802154(r11, 0x8933, &(0x7f0000000740)={'wpan0\x00', 0x0}) r13 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) r14 = syz_genetlink_get_family_id$nl802154(&(0x7f00000013c0), 0xffffffffffffffff) sendmsg$NL802154_CMD_GET_WPAN_PHY(r13, &(0x7f0000000cc0)={0x0, 0x0, &(0x7f0000000c80)={&(0x7f0000000c00)={0x30, r14, 0x421, 0x0, 0x0, {}, [@NL802154_ATTR_WPAN_PHY={0x8, 0x1, 0x2}, @NL802154_ATTR_IFINDEX={0x8, 0x3, r12}, @NL802154_ATTR_WPAN_DEV={0xc, 0x6, 0x100000001}]}, 0x30}}, 0x0) (async) sendmsg$NL802154_CMD_SET_CCA_MODE(r0, &(0x7f0000000500)={&(0x7f0000000180)={0x10, 0x0, 0x0, 0x2000000}, 0xc, &(0x7f0000000280)={&(0x7f0000000200)={0x5c, r2, 0x100, 0x70bd29, 0x25dfdbfe, {}, [@NL802154_ATTR_IFINDEX={0x8, 0x3, r4}, @NL802154_ATTR_IFINDEX={0x8, 0x3, r8}, @NL802154_ATTR_CCA_OPT={0x8, 0xd, 0x1}, @NL802154_ATTR_CCA_MODE={0x8}, @NL802154_ATTR_CCA_OPT={0x8}, @NL802154_ATTR_WPAN_PHY={0x8}, @NL802154_ATTR_IFINDEX={0x8, 0x3, r12}, @NL802154_ATTR_CCA_OPT={0x8}, @NL802154_ATTR_IFINDEX={0x8, 0x3, r1}]}, 0x5c}, 0x1, 0x0, 0x0, 0x4000000}, 0x1) sendmsg$NL802154_CMD_SET_MAX_FRAME_RETRIES(r0, &(0x7f00000002c0)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x80000}, 0xc, &(0x7f00000000c0)={&(0x7f0000000300)={0x14, 0x0, 0x2, 0x70bd28, 0x25dfdbfb}, 0x14}, 0x1, 0x0, 0x0, 0x20000000}, 0x880) r15 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r16 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r15) sendmsg$NBD_CMD_DISCONNECT(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000340)=ANY=[@ANYBLOB='l\x00\x00\x00', @ANYRES16=r16, @ANYBLOB="01002dbd7000fddbdf25020000000c00030001000100", @ANYRES32, @ANYBLOB="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", @ANYRES32, @ANYBLOB], 0x6c}}, 0x0) 12:26:29 executing program 3: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x9200) (async, rerun: 64) r1 = openat$null(0xffffffffffffff9c, 0x0, 0x0, 0x0) (rerun: 64) mmap$perf(&(0x7f0000ffe000/0x2000)=nil, 0x2000, 0x0, 0x10, r1, 0x0) ioctl$MEDIA_IOC_G_TOPOLOGY(0xffffffffffffffff, 0xc0487c04, &(0x7f0000000500)={0x0, 0x3, 0x0, &(0x7f0000000040)=[{}, {}, {}], 0x3, 0x0, &(0x7f0000000180)=[{}, {}, {}], 0x5, 0x0, &(0x7f0000000300)=[{}, {}, {}, {0x0, 0x80000000, 0x0, {0x0}}, {}], 0x8, 0x0, &(0x7f00000003c0)=[{}, {}, {}, {}, {}, {}, {}, {}]}) ioctl$MEDIA_IOC_SETUP_LINK(r1, 0xc0347c03, &(0x7f0000000580)={{0x80000000, 0x0, 0x0, [0xbd, 0x20]}, {0x80000000, r2, 0x6, [0xfffffffc]}, 0x2, [0x400, 0x5]}) (async) ioctl$NBD_SET_SOCK(r0, 0xab00, 0xffffffffffffffff) 12:26:29 executing program 0: socket$unix(0x1, 0x2, 0x0) sendmsg$unix(0xffffffffffffffff, &(0x7f00000003c0)={0x0, 0x0, &(0x7f0000000380)=[{&(0x7f00000000c0)="196bbd10d648e15729cdc3ab0d41585a532fa0372390c9c585b651ee01d26e362b", 0x21}, {&(0x7f0000000100)="57266ecb72a84ebf98a747bea4800dae8bc0a77c5545da4c273632b4b9148d27e9e60ac6029fb3cf40f7f59a3139022ad4ed338d48696aada3950f5e59c9c9b4d691c9c50ae3abd06354b76ccf925c1f043b5e6b9e203077b60da79f02060e137a01dc85ebfc20cbead073dd480851fb616bcaa89fb6e8ac0b", 0x79}, {&(0x7f0000000180)="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", 0xfd}, {&(0x7f0000000280)="fe9d6561e4117d832c201dc0cfc0366cf7d03d4d7b1e3dc4f3babf671104ae493e8ce10ce297d7b34cbbb13d564ca9ff63d6d4c864ea042ea2567785019528b7b5b8c5136bb84bc1b0299921c604e73154ac2fd15fa1c165a7376cf4d631975b75eb3457565f5c410632d6c4c05ddede7be5d0fb5ea27809cb9b2d2e49dd236d7304016d680212730c6640ff6828689349c1e9d119d18119cd66188e150cf32cbd778ca3080f0b1d9180c74203341b3fd6828a32a93a2c9c1ef1381801e28e3496666c6424c83bf4d97ad60a", 0xcc}], 0x4}, 0x4000) 12:26:29 executing program 4: r0 = socket$unix(0x1, 0x2, 0x0) sendmsg$unix(r0, &(0x7f00000003c0)={&(0x7f0000000040)=@abs, 0x6e, &(0x7f0000000380)=[{0x0}], 0x1}, 0x4000) 12:26:29 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r1) sendmsg$NBD_CMD_DISCONNECT(r0, &(0x7f0000000140)={0x0, 0x0, 0x0}, 0x0) 12:26:29 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), 0xffffffffffffffff) sendmsg$NBD_CMD_DISCONNECT(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000000)=ANY=[@ANYBLOB='l\x00\x00\x00', @ANYRES16=r2, @ANYBLOB="01002dbd7000fddbdf25020000000c00030001000100", @ANYRES32, @ANYBLOB="0800014036ece36e359549877f56ad75273423ebf727", @ANYRES32=r1, @ANYBLOB], 0x6c}}, 0x0) 12:26:29 executing program 5: r0 = socket$unix(0x1, 0x2, 0x0) sendmsg$unix(r0, &(0x7f00000003c0)={&(0x7f0000000040)=@abs, 0x6e, 0x0}, 0x4000) 12:26:29 executing program 0: r0 = socket$unix(0x1, 0x2, 0x0) sendmsg$unix(r0, 0x0, 0x4000) 12:26:29 executing program 3: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x9200) (async) r1 = openat$null(0xffffffffffffff9c, 0x0, 0x0, 0x0) mmap$perf(&(0x7f0000ffe000/0x2000)=nil, 0x2000, 0x0, 0x10, r1, 0x0) ioctl$MEDIA_IOC_G_TOPOLOGY(0xffffffffffffffff, 0xc0487c04, &(0x7f0000000500)={0x0, 0x3, 0x0, &(0x7f0000000040)=[{}, {}, {}], 0x3, 0x0, &(0x7f0000000180)=[{}, {}, {}], 0x5, 0x0, &(0x7f0000000300)=[{}, {}, {}, {0x0, 0x80000000, 0x0, {0x0}}, {}], 0x8, 0x0, &(0x7f00000003c0)=[{}, {}, {}, {}, {}, {}, {}, {}]}) ioctl$MEDIA_IOC_SETUP_LINK(r1, 0xc0347c03, &(0x7f0000000580)={{0x80000000, 0x0, 0x0, [0xbd, 0x20]}, {0x80000000, r2, 0x6, [0xfffffffc]}, 0x2, [0x400, 0x5]}) (async, rerun: 32) ioctl$NBD_SET_SOCK(r0, 0xab00, 0xffffffffffffffff) (rerun: 32) 12:26:29 executing program 4: r0 = socket$unix(0x1, 0x2, 0x0) sendmsg$unix(r0, &(0x7f00000003c0)={&(0x7f0000000040)=@abs, 0x6e, &(0x7f0000000380)=[{0x0}, {0x0}], 0x2}, 0x4000) 12:26:29 executing program 0: r0 = socket$unix(0x1, 0x2, 0x0) sendmsg$unix(r0, 0x0, 0x4000) 12:26:29 executing program 3: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) sendmsg$IPVS_CMD_SET_CONFIG(0xffffffffffffffff, &(0x7f0000000180)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x10000}, 0xc, &(0x7f0000000140)={&(0x7f0000000080)={0x84, 0x0, 0x1, 0x70bd27, 0x25dfdbff, {}, [@IPVS_CMD_ATTR_TIMEOUT_TCP={0x8, 0x4, 0x3ff}, @IPVS_CMD_ATTR_SERVICE={0x3c, 0x1, 0x0, 0x1, [@IPVS_SVC_ATTR_PROTOCOL={0x6, 0x2, 0x5e}, @IPVS_SVC_ATTR_PROTOCOL={0x6, 0x2, 0xd3}, @IPVS_SVC_ATTR_ADDR={0x14, 0x3, @ipv6=@mcast2}, @IPVS_SVC_ATTR_PROTOCOL={0x6, 0x2, 0x32}, @IPVS_SVC_ATTR_SCHED_NAME={0x9, 0x6, 'lblc\x00'}]}, @IPVS_CMD_ATTR_TIMEOUT_TCP={0x8, 0x4, 0x194c}, @IPVS_CMD_ATTR_SERVICE={0x1c, 0x1, 0x0, 0x1, [@IPVS_SVC_ATTR_PE_NAME={0x8}, @IPVS_SVC_ATTR_PE_NAME={0x8}, @IPVS_SVC_ATTR_TIMEOUT={0x8, 0x8, 0x1}]}, @IPVS_CMD_ATTR_TIMEOUT_UDP={0x8, 0x6, 0x9}]}, 0x84}, 0x1, 0x0, 0x0, 0x800}, 0x801) ioctl$NBD_SET_SOCK(r0, 0xab00, 0xffffffffffffffff) [ 350.254833] netlink: 68 bytes leftover after parsing attributes in process `syz-executor.1'. [ 350.287060] nbd: couldn't find device at index 1402227343 12:26:29 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r1) ioctl$sock_SIOCGIFINDEX_802154(r0, 0x8933, &(0x7f0000000080)={'wpan0\x00', 0x0}) sendmsg$NL802154_CMD_SET_CHANNEL(r1, &(0x7f0000000200)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x20}, 0xc, &(0x7f00000000c0)={&(0x7f0000000180)=ANY=[@ANYBLOB='L\x00\x00\x00', @ANYRES16=0x0, @ANYBLOB="000300000080fcdbdf2509000000050008000200000008000300", @ANYRES32=r3, @ANYBLOB="0c000600020000000800170000000c0006000200000002000000050008000e080000000000000000"], 0x4c}, 0x1, 0x0, 0x0, 0x11}, 0x4000000) r4 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r5 = syz_genetlink_get_family_id$nl802154(&(0x7f0000000280), r0) sendmsg$NL802154_CMD_SET_MAX_CSMA_BACKOFFS(r4, &(0x7f0000000340)={&(0x7f0000000240)={0x10, 0x0, 0x0, 0x2000000}, 0xc, &(0x7f0000000300)={&(0x7f00000002c0)={0x24, r5, 0x10, 0x70bd27, 0x25dfdbfc, {}, [@NL802154_ATTR_MAX_CSMA_BACKOFFS={0x5}, @NL802154_ATTR_IFINDEX={0x8, 0x3, r3}]}, 0x24}, 0x1, 0x0, 0x0, 0x840}, 0x20000040) sendmsg$NBD_CMD_DISCONNECT(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f00000004c0)=ANY=[@ANYBLOB='l\x00\x00\x00', @ANYRES16=r2, @ANYBLOB="01002dbd7000fddbdf25020000000c00030001000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB], 0x6c}}, 0x0) 12:26:29 executing program 5: r0 = socket$unix(0x1, 0x2, 0x0) sendmsg$unix(r0, &(0x7f00000003c0)={&(0x7f0000000040)=@abs, 0x6e, 0x0}, 0x4000) 12:26:29 executing program 4: r0 = socket$unix(0x1, 0x2, 0x0) sendmsg$unix(r0, &(0x7f00000003c0)={&(0x7f0000000040)=@abs, 0x6e, &(0x7f0000000380)=[{0x0}, {0x0}], 0x2}, 0x0) 12:26:29 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r1) sendmsg$NBD_CMD_DISCONNECT(r0, &(0x7f0000000140)={0x0, 0x0, 0x0}, 0x0) 12:26:29 executing program 0: r0 = socket$unix(0x1, 0x2, 0x0) sendmsg$unix(r0, 0x0, 0x4000) 12:26:29 executing program 5: r0 = socket$unix(0x1, 0x2, 0x0) sendmsg$unix(r0, &(0x7f00000003c0)={&(0x7f0000000040)=@abs, 0x6e, 0x0}, 0x4000) 12:26:29 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nl802154(&(0x7f00000013c0), 0xffffffffffffffff) sendmsg$NL802154_CMD_SET_CCA_MODE(r1, &(0x7f0000001500)={&(0x7f0000001380), 0xc, &(0x7f00000014c0)={&(0x7f0000001440)={0x24, r2, 0x1, 0x0, 0x0, {}, [@NL802154_ATTR_CCA_MODE={0x8}, @NL802154_ATTR_IFINDEX={0x8}]}, 0x24}}, 0x0) sendmsg$NL802154_CMD_SET_CHANNEL(r0, &(0x7f0000000180)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x8}, 0xc, &(0x7f00000000c0)={&(0x7f0000000080)={0x28, r2, 0x400, 0x70bd26, 0x25dfdbfc, {}, [@NL802154_ATTR_WPAN_DEV={0xc}, @NL802154_ATTR_WPAN_PHY={0x8, 0x1, 0x3}]}, 0x28}, 0x1, 0x0, 0x0, 0x20000000}, 0x48000) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r4 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r3) r5 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r6 = syz_genetlink_get_family_id$nl802154(&(0x7f0000000200), r0) r7 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) ioctl$sock_SIOCGIFINDEX_802154(r7, 0x8933, &(0x7f0000000740)={'wpan0\x00', 0x0}) r9 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) getresgid(&(0x7f0000000100), &(0x7f0000000140), 0x0) r10 = syz_genetlink_get_family_id$nl802154(&(0x7f00000013c0), 0xffffffffffffffff) sendmsg$NL802154_CMD_GET_WPAN_PHY(r9, &(0x7f0000000cc0)={0x0, 0x0, &(0x7f0000000c80)={&(0x7f0000000c00)=ANY=[@ANYBLOB="4e8f1d85", @ANYRES16=r10, @ANYBLOB="2104000000000000000001000000080001000200000008000300", @ANYRES32=r8, @ANYBLOB="0c0006000100000001000000"], 0x30}}, 0x0) r11 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) ioctl$sock_SIOCGIFINDEX_802154(r11, 0x8933, &(0x7f0000000740)={'wpan0\x00', 0x0}) r13 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r14 = syz_genetlink_get_family_id$nl802154(&(0x7f00000013c0), 0xffffffffffffffff) sendmsg$NL802154_CMD_GET_WPAN_PHY(r13, &(0x7f0000000cc0)={0x0, 0x0, &(0x7f0000000c80)={&(0x7f0000000c00)={0x30, r14, 0x421, 0x0, 0x0, {}, [@NL802154_ATTR_WPAN_PHY={0x8, 0x1, 0x2}, @NL802154_ATTR_IFINDEX={0x8, 0x3, r12}, @NL802154_ATTR_WPAN_DEV={0xc, 0x6, 0x100000001}]}, 0x30}}, 0x0) sendmsg$NL802154_CMD_SET_PAN_ID(r5, &(0x7f00000002c0)={&(0x7f00000001c0)={0x10, 0x0, 0x0, 0x100}, 0xc, &(0x7f0000000280)={&(0x7f0000000240)={0x40, r6, 0x1, 0x70bd2d, 0x25dfdbfe, {}, [@NL802154_ATTR_IFINDEX={0x8, 0x3, r8}, @NL802154_ATTR_IFINDEX={0x8, 0x3, r12}, @NL802154_ATTR_PAN_ID={0x6, 0x9, 0xffff}, @NL802154_ATTR_PAN_ID={0x6}, @NL802154_ATTR_WPAN_DEV={0xc, 0x6, 0x100000001}]}, 0x40}, 0x1, 0x0, 0x0, 0x1}, 0x2102a3d678debd2b) sendmsg$NBD_CMD_DISCONNECT(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f00000004c0)=ANY=[@ANYBLOB='l\x00\x00\x00', @ANYRES16=r4, @ANYBLOB="01002dbd7000fddbdf25020000000c00030001000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB], 0x6c}}, 0x0) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) 12:26:29 executing program 3: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) sendmsg$IPVS_CMD_SET_CONFIG(0xffffffffffffffff, &(0x7f0000000180)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x10000}, 0xc, &(0x7f0000000140)={&(0x7f0000000080)={0x84, 0x0, 0x1, 0x70bd27, 0x25dfdbff, {}, [@IPVS_CMD_ATTR_TIMEOUT_TCP={0x8, 0x4, 0x3ff}, @IPVS_CMD_ATTR_SERVICE={0x3c, 0x1, 0x0, 0x1, [@IPVS_SVC_ATTR_PROTOCOL={0x6, 0x2, 0x5e}, @IPVS_SVC_ATTR_PROTOCOL={0x6, 0x2, 0xd3}, @IPVS_SVC_ATTR_ADDR={0x14, 0x3, @ipv6=@mcast2}, @IPVS_SVC_ATTR_PROTOCOL={0x6, 0x2, 0x32}, @IPVS_SVC_ATTR_SCHED_NAME={0x9, 0x6, 'lblc\x00'}]}, @IPVS_CMD_ATTR_TIMEOUT_TCP={0x8, 0x4, 0x194c}, @IPVS_CMD_ATTR_SERVICE={0x1c, 0x1, 0x0, 0x1, [@IPVS_SVC_ATTR_PE_NAME={0x8}, @IPVS_SVC_ATTR_PE_NAME={0x8}, @IPVS_SVC_ATTR_TIMEOUT={0x8, 0x8, 0x1}]}, @IPVS_CMD_ATTR_TIMEOUT_UDP={0x8, 0x6, 0x9}]}, 0x84}, 0x1, 0x0, 0x0, 0x800}, 0x801) (async) ioctl$NBD_SET_SOCK(r0, 0xab00, 0xffffffffffffffff) 12:26:30 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r1) sendmsg$NBD_CMD_DISCONNECT(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={0x0, 0x6c}}, 0x0) 12:26:30 executing program 0: r0 = socket$unix(0x1, 0x2, 0x0) sendmsg$unix(r0, &(0x7f00000003c0)={0x0, 0x0, 0x0}, 0x4000) 12:26:30 executing program 5: sendmsg$unix(0xffffffffffffffff, &(0x7f00000003c0)={&(0x7f0000000040)=@abs, 0x6e, 0x0}, 0x4000) 12:26:30 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r1) sendmsg$NBD_CMD_DISCONNECT(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={0x0, 0x6c}}, 0x0) 12:26:30 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r1) ioctl$sock_SIOCGIFINDEX_802154(r0, 0x8933, &(0x7f0000000080)={'wpan0\x00', 0x0}) sendmsg$NL802154_CMD_SET_CHANNEL(r1, &(0x7f0000000200)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x20}, 0xc, &(0x7f00000000c0)={&(0x7f0000000180)=ANY=[@ANYBLOB='L\x00\x00\x00', @ANYRES16=0x0, @ANYBLOB="000300000080fcdbdf2509000000050008000200000008000300", @ANYRES32=r3, @ANYBLOB="0c000600020000000800170000000c0006000200000002000000050008000e080000000000000000"], 0x4c}, 0x1, 0x0, 0x0, 0x11}, 0x4000000) r4 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r5 = syz_genetlink_get_family_id$nl802154(&(0x7f0000000280), r0) sendmsg$NL802154_CMD_SET_MAX_CSMA_BACKOFFS(r4, &(0x7f0000000340)={&(0x7f0000000240)={0x10, 0x0, 0x0, 0x2000000}, 0xc, &(0x7f0000000300)={&(0x7f00000002c0)={0x24, r5, 0x10, 0x70bd27, 0x25dfdbfc, {}, [@NL802154_ATTR_MAX_CSMA_BACKOFFS={0x5}, @NL802154_ATTR_IFINDEX={0x8, 0x3, r3}]}, 0x24}, 0x1, 0x0, 0x0, 0x840}, 0x20000040) sendmsg$NBD_CMD_DISCONNECT(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f00000004c0)=ANY=[@ANYBLOB='l\x00\x00\x00', @ANYRES16=r2, @ANYBLOB="01002dbd7000fddbdf25020000000c00030001000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB], 0x6c}}, 0x0) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r1) (async) ioctl$sock_SIOCGIFINDEX_802154(r0, 0x8933, &(0x7f0000000080)={'wpan0\x00'}) (async) sendmsg$NL802154_CMD_SET_CHANNEL(r1, &(0x7f0000000200)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x20}, 0xc, &(0x7f00000000c0)={&(0x7f0000000180)=ANY=[@ANYBLOB='L\x00\x00\x00', @ANYRES16=0x0, @ANYBLOB="000300000080fcdbdf2509000000050008000200000008000300", @ANYRES32=r3, @ANYBLOB="0c000600020000000800170000000c0006000200000002000000050008000e080000000000000000"], 0x4c}, 0x1, 0x0, 0x0, 0x11}, 0x4000000) (async) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) syz_genetlink_get_family_id$nl802154(&(0x7f0000000280), r0) (async) sendmsg$NL802154_CMD_SET_MAX_CSMA_BACKOFFS(r4, &(0x7f0000000340)={&(0x7f0000000240)={0x10, 0x0, 0x0, 0x2000000}, 0xc, &(0x7f0000000300)={&(0x7f00000002c0)={0x24, r5, 0x10, 0x70bd27, 0x25dfdbfc, {}, [@NL802154_ATTR_MAX_CSMA_BACKOFFS={0x5}, @NL802154_ATTR_IFINDEX={0x8, 0x3, r3}]}, 0x24}, 0x1, 0x0, 0x0, 0x840}, 0x20000040) (async) sendmsg$NBD_CMD_DISCONNECT(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f00000004c0)=ANY=[@ANYBLOB='l\x00\x00\x00', @ANYRES16=r2, @ANYBLOB="01002dbd7000fddbdf25020000000c00030001000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB], 0x6c}}, 0x0) (async) 12:26:30 executing program 0: r0 = socket$unix(0x1, 0x2, 0x0) sendmsg$unix(r0, &(0x7f00000003c0)={0x0, 0x0, 0x0}, 0x4000) [ 350.407481] netlink: 68 bytes leftover after parsing attributes in process `syz-executor.1'. [ 350.431751] nbd: couldn't find device at index -1 12:26:30 executing program 5: sendmsg$unix(0xffffffffffffffff, &(0x7f00000003c0)={&(0x7f0000000040)=@abs, 0x6e, 0x0}, 0x4000) 12:26:30 executing program 3: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) sendmsg$IPVS_CMD_SET_CONFIG(0xffffffffffffffff, &(0x7f0000000180)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x10000}, 0xc, &(0x7f0000000140)={&(0x7f0000000080)={0x84, 0x0, 0x1, 0x70bd27, 0x25dfdbff, {}, [@IPVS_CMD_ATTR_TIMEOUT_TCP={0x8, 0x4, 0x3ff}, @IPVS_CMD_ATTR_SERVICE={0x3c, 0x1, 0x0, 0x1, [@IPVS_SVC_ATTR_PROTOCOL={0x6, 0x2, 0x5e}, @IPVS_SVC_ATTR_PROTOCOL={0x6, 0x2, 0xd3}, @IPVS_SVC_ATTR_ADDR={0x14, 0x3, @ipv6=@mcast2}, @IPVS_SVC_ATTR_PROTOCOL={0x6, 0x2, 0x32}, @IPVS_SVC_ATTR_SCHED_NAME={0x9, 0x6, 'lblc\x00'}]}, @IPVS_CMD_ATTR_TIMEOUT_TCP={0x8, 0x4, 0x194c}, @IPVS_CMD_ATTR_SERVICE={0x1c, 0x1, 0x0, 0x1, [@IPVS_SVC_ATTR_PE_NAME={0x8}, @IPVS_SVC_ATTR_PE_NAME={0x8}, @IPVS_SVC_ATTR_TIMEOUT={0x8, 0x8, 0x1}]}, @IPVS_CMD_ATTR_TIMEOUT_UDP={0x8, 0x6, 0x9}]}, 0x84}, 0x1, 0x0, 0x0, 0x800}, 0x801) (async) ioctl$NBD_SET_SOCK(r0, 0xab00, 0xffffffffffffffff) 12:26:30 executing program 0: r0 = socket$unix(0x1, 0x2, 0x0) sendmsg$unix(r0, &(0x7f00000003c0)={0x0, 0x0, 0x0}, 0x4000) 12:26:30 executing program 0: r0 = socket$unix(0x1, 0x2, 0x0) sendmsg$unix(r0, &(0x7f00000003c0)={0x0, 0x0, &(0x7f0000000380)=[{&(0x7f00000000c0)="196bbd10d648e15729cdc3ab0d41585a532fa0372390c9c585b651ee01d26e362b", 0x21}, {&(0x7f0000000100)="57266ecb72a84ebf98a747bea4800dae8bc0a77c5545da4c273632b4b9148d27e9e60ac6029fb3cf40f7f59a3139022ad4ed338d48696aada3950f5e59c9c9b4d691c9c50ae3abd06354b76ccf925c1f043b5e6b9e203077b60da79f02060e137a01dc85ebfc20cbead073dd480851fb616bcaa89fb6e8ac0b", 0x79}, {&(0x7f0000000180)="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", 0xfd}], 0x3}, 0x4000) [ 350.472641] netlink: 68 bytes leftover after parsing attributes in process `syz-executor.4'. [ 350.507450] nbd: couldn't find device at index -1 12:26:30 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r1) sendmsg$NBD_CMD_DISCONNECT(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={0x0, 0x6c}}, 0x0) 12:26:30 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r1) sendmsg$NBD_CMD_DISCONNECT(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={0x0, 0x6c}}, 0x0) 12:26:30 executing program 5: sendmsg$unix(0xffffffffffffffff, &(0x7f00000003c0)={&(0x7f0000000040)=@abs, 0x6e, 0x0}, 0x4000) 12:26:30 executing program 3: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, 0xffffffffffffffff) openat$sw_sync(0xffffffffffffff9c, &(0x7f0000000040), 0x2a0040, 0x0) 12:26:30 executing program 0: r0 = socket$unix(0x1, 0x2, 0x0) sendmsg$unix(r0, &(0x7f00000003c0)={0x0, 0x0, &(0x7f0000000380)=[{&(0x7f00000000c0)="196bbd10d648e15729cdc3ab0d41585a532fa0372390c9c585b651ee01d26e362b", 0x21}, {&(0x7f0000000100)="57266ecb72a84ebf98a747bea4800dae8bc0a77c5545da4c273632b4b9148d27e9e60ac6029fb3cf40f7f59a3139022ad4ed338d48696aada3950f5e59c9c9b4d691c9c50ae3abd06354b76ccf925c1f043b5e6b9e203077b60da79f02060e137a01dc85ebfc20cbead073dd480851fb616bcaa89fb6e8ac0b", 0x79}], 0x2}, 0x4000) 12:26:30 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r1) ioctl$sock_SIOCGIFINDEX_802154(r0, 0x8933, &(0x7f0000000080)={'wpan0\x00', 0x0}) sendmsg$NL802154_CMD_SET_CHANNEL(r1, &(0x7f0000000200)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x20}, 0xc, &(0x7f00000000c0)={&(0x7f0000000180)=ANY=[@ANYBLOB='L\x00\x00\x00', @ANYRES16=0x0, @ANYBLOB="000300000080fcdbdf2509000000050008000200000008000300", @ANYRES32=r3, @ANYBLOB="0c000600020000000800170000000c0006000200000002000000050008000e080000000000000000"], 0x4c}, 0x1, 0x0, 0x0, 0x11}, 0x4000000) (async) r4 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) r5 = syz_genetlink_get_family_id$nl802154(&(0x7f0000000280), r0) sendmsg$NL802154_CMD_SET_MAX_CSMA_BACKOFFS(r4, &(0x7f0000000340)={&(0x7f0000000240)={0x10, 0x0, 0x0, 0x2000000}, 0xc, &(0x7f0000000300)={&(0x7f00000002c0)={0x24, r5, 0x10, 0x70bd27, 0x25dfdbfc, {}, [@NL802154_ATTR_MAX_CSMA_BACKOFFS={0x5}, @NL802154_ATTR_IFINDEX={0x8, 0x3, r3}]}, 0x24}, 0x1, 0x0, 0x0, 0x840}, 0x20000040) (async) sendmsg$NBD_CMD_DISCONNECT(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f00000004c0)=ANY=[@ANYBLOB='l\x00\x00\x00', @ANYRES16=r2, @ANYBLOB="01002dbd7000fddbdf25020000000c00030001000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB], 0x6c}}, 0x0) 12:26:30 executing program 3: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, 0xffffffffffffffff) (async) openat$sw_sync(0xffffffffffffff9c, &(0x7f0000000040), 0x2a0040, 0x0) [ 350.552295] netlink: 68 bytes leftover after parsing attributes in process `syz-executor.1'. [ 350.575175] nbd: couldn't find device at index -1 12:26:30 executing program 5: r0 = socket$unix(0x1, 0x0, 0x0) sendmsg$unix(r0, &(0x7f00000003c0)={&(0x7f0000000040)=@abs, 0x6e, 0x0}, 0x4000) 12:26:30 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r1) sendmsg$NBD_CMD_DISCONNECT(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000000)=ANY=[@ANYBLOB='l\x00\x00\x00', @ANYRES16=r2, @ANYBLOB="01002dbd7000fddbdf25020000000c00030001000100", @ANYRES32, @ANYBLOB="0800014036ece36e359549877f56ad75273423ebf727", @ANYRES32=r1], 0x6c}}, 0x0) 12:26:30 executing program 4: r0 = socket$unix(0x1, 0x2, 0x0) sendmsg$unix(r0, &(0x7f00000003c0)={0x0, 0x0, 0x0}, 0x4000) 12:26:30 executing program 0: r0 = socket$unix(0x1, 0x2, 0x0) sendmsg$unix(r0, &(0x7f00000003c0)={0x0, 0x0, &(0x7f0000000380)=[{&(0x7f00000000c0)="196bbd10d648e15729cdc3ab0d41585a532fa0372390c9c585b651ee01d26e362b", 0x21}], 0x1}, 0x4000) 12:26:30 executing program 3: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, 0xffffffffffffffff) openat$sw_sync(0xffffffffffffff9c, &(0x7f0000000040), 0x2a0040, 0x0) 12:26:30 executing program 5: r0 = socket$unix(0x1, 0x0, 0x0) sendmsg$unix(r0, &(0x7f00000003c0)={&(0x7f0000000040)=@abs, 0x6e, 0x0}, 0x4000) 12:26:30 executing program 4: r0 = socket$unix(0x1, 0x2, 0x0) sendmsg$unix(r0, &(0x7f00000003c0)={0x0, 0x0, 0x0}, 0x4000) [ 350.671339] netlink: 68 bytes leftover after parsing attributes in process `syz-executor.2'. [ 350.687161] nbd: couldn't find device at index 1860430902 12:26:30 executing program 0: r0 = socket$unix(0x1, 0x2, 0x0) sendmsg$unix(r0, &(0x7f00000003c0)={0x0, 0x0, &(0x7f0000000380)=[{&(0x7f00000000c0)="196bbd10d648e15729cdc3ab0d41585a532fa0372390c9c585b651ee01d26e362b", 0x21}], 0x1}, 0x4000) 12:26:30 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r1) sendmsg$NBD_CMD_DISCONNECT(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000000)=ANY=[@ANYBLOB='l\x00\x00\x00', @ANYRES16=r2, @ANYBLOB="01002dbd7000fddbdf25020000000c00030001000100", @ANYRES32, @ANYBLOB="0800014036ece36e359549877f56ad75273423ebf727"], 0x6c}}, 0x0) 12:26:30 executing program 5: r0 = socket$unix(0x1, 0x0, 0x0) sendmsg$unix(r0, &(0x7f00000003c0)={&(0x7f0000000040)=@abs, 0x6e, 0x0}, 0x4000) 12:26:30 executing program 3: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x40b01) ioctl$NBD_SET_SOCK(r0, 0xab00, 0xffffffffffffffff) r1 = socket$netlink(0x10, 0x3, 0x12) sendmsg$TIPC_CMD_SET_NETID(r1, &(0x7f0000000d80)={0x0, 0x0, &(0x7f0000000d40)={&(0x7f0000000d00)={0x24, 0x0, 0x0, 0x0, 0x0, {{}, {}, {0x8}}}, 0x24}}, 0x0) r2 = syz_genetlink_get_family_id$ipvs(&(0x7f0000000080), 0xffffffffffffffff) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) ioctl$sock_SIOCGIFINDEX_802154(0xffffffffffffffff, 0x8933, &(0x7f0000000200)={'wpan0\x00', 0x0}) ioctl$sock_SIOCGIFINDEX_802154(0xffffffffffffffff, 0x8933, &(0x7f0000000240)={'wpan0\x00', 0x0}) ioctl$sock_SIOCGIFINDEX_802154(0xffffffffffffffff, 0x8933, &(0x7f0000000280)={'wpan4\x00', 0x0}) sendmsg$NL802154_CMD_GET_SEC_DEVKEY(r3, &(0x7f0000000380)={&(0x7f00000001c0)={0x10, 0x0, 0x0, 0x200}, 0xc, &(0x7f0000000340)={&(0x7f00000002c0)={0x54, 0x0, 0x2, 0x70bd25, 0x25dfdbff, {}, [@NL802154_ATTR_IFINDEX={0x8}, @NL802154_ATTR_WPAN_DEV={0xc, 0x6, 0x2}, @NL802154_ATTR_IFINDEX={0x8, 0x3, r4}, @NL802154_ATTR_IFINDEX={0x8, 0x3, r5}, @NL802154_ATTR_IFINDEX={0x8}, @NL802154_ATTR_IFINDEX={0x8, 0x3, r6}, @NL802154_ATTR_WPAN_DEV={0xc, 0x6, 0x3}]}, 0x54}, 0x1, 0x0, 0x0, 0x80}, 0x810) sendmsg$IPVS_CMD_GET_DAEMON(r1, &(0x7f0000000180)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x400}, 0xc, &(0x7f0000000140)={&(0x7f00000000c0)={0x5c, r2, 0x200, 0x70bd25, 0x25dfdbfe, {}, [@IPVS_CMD_ATTR_SERVICE={0x40, 0x1, 0x0, 0x1, [@IPVS_SVC_ATTR_FLAGS={0xc, 0x7, {0x1, 0x14}}, @IPVS_SVC_ATTR_PROTOCOL={0x6, 0x2, 0x3f}, @IPVS_SVC_ATTR_PE_NAME={0x8}, @IPVS_SVC_ATTR_NETMASK={0x8, 0x9, 0x31}, @IPVS_SVC_ATTR_PORT={0x6, 0x4, 0x4e22}, @IPVS_SVC_ATTR_AF={0x6}, @IPVS_SVC_ATTR_TIMEOUT={0x8, 0x8, 0x7}]}, @IPVS_CMD_ATTR_TIMEOUT_TCP_FIN={0x8, 0x5, 0xffff729c}]}, 0x5c}, 0x1, 0x0, 0x0, 0x40000}, 0x4000) sendmsg$IPVS_CMD_GET_DEST(r1, &(0x7f0000000500)={&(0x7f00000003c0)={0x10, 0x0, 0x0, 0x20000}, 0xc, &(0x7f00000004c0)={&(0x7f0000000400)={0xa8, r2, 0x4, 0x70bd2b, 0x25dfdbfe, {}, [@IPVS_CMD_ATTR_TIMEOUT_TCP_FIN={0x8}, @IPVS_CMD_ATTR_TIMEOUT_TCP={0x8, 0x4, 0x2}, @IPVS_CMD_ATTR_SERVICE={0x44, 0x1, 0x0, 0x1, [@IPVS_SVC_ATTR_SCHED_NAME={0x8, 0x6, 'wlc\x00'}, @IPVS_SVC_ATTR_AF={0x6, 0x1, 0xa}, @IPVS_SVC_ATTR_PROTOCOL={0x6, 0x2, 0x2c}, @IPVS_SVC_ATTR_PROTOCOL={0x6, 0x2, 0x5e}, @IPVS_SVC_ATTR_FLAGS={0xc, 0x7, {0x3, 0x17}}, @IPVS_SVC_ATTR_FWMARK={0x8, 0x5, 0x2}, @IPVS_SVC_ATTR_FLAGS={0xc, 0x7, {0x25}}]}, @IPVS_CMD_ATTR_SERVICE={0x40, 0x1, 0x0, 0x1, [@IPVS_SVC_ATTR_TIMEOUT={0x8, 0x8, 0x401}, @IPVS_SVC_ATTR_NETMASK={0x8, 0x9, 0x7572}, @IPVS_SVC_ATTR_SCHED_NAME={0x7, 0x6, 'fo\x00'}, @IPVS_SVC_ATTR_SCHED_NAME={0x9, 0x6, 'none\x00'}, @IPVS_SVC_ATTR_PROTOCOL={0x6, 0x2, 0x2c}, @IPVS_SVC_ATTR_AF={0x6, 0x1, 0xa}, @IPVS_SVC_ATTR_PE_NAME={0x8}]}]}, 0xa8}, 0x1, 0x0, 0x0, 0x40001}, 0x0) 12:26:30 executing program 4: r0 = socket$unix(0x1, 0x2, 0x0) sendmsg$unix(r0, &(0x7f00000003c0)={0x0, 0x0, 0x0}, 0x4000) 12:26:30 executing program 0: r0 = socket$unix(0x1, 0x2, 0x0) sendmsg$unix(r0, &(0x7f00000003c0)={0x0, 0x0, &(0x7f0000000380)=[{&(0x7f00000000c0)="196bbd10d648e15729cdc3ab0d41585a532fa0372390c9c585b651ee01d26e362b", 0x21}], 0x1}, 0x4000) 12:26:30 executing program 5: socket$unix(0x1, 0x2, 0x0) sendmsg$unix(0xffffffffffffffff, &(0x7f00000003c0)={&(0x7f0000000040)=@abs, 0x6e, 0x0}, 0x4000) [ 350.719471] netlink: 68 bytes leftover after parsing attributes in process `syz-executor.1'. [ 350.743585] nbd: couldn't find device at index -1 12:26:30 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) ioctl$sock_SIOCGIFINDEX_802154(r2, 0x8933, &(0x7f0000000740)={'wpan0\x00', 0x0}) r4 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r5 = syz_genetlink_get_family_id$nl802154(&(0x7f00000013c0), 0xffffffffffffffff) sendmsg$NL802154_CMD_GET_WPAN_PHY(r4, &(0x7f0000000cc0)={0x0, 0x0, &(0x7f0000000c80)={&(0x7f0000000c00)={0x30, r5, 0x421, 0x0, 0x0, {}, [@NL802154_ATTR_WPAN_PHY={0x8, 0x1, 0x2}, @NL802154_ATTR_IFINDEX={0x8, 0x3, r3}, @NL802154_ATTR_WPAN_DEV={0xc, 0x6, 0x100000001}]}, 0x30}}, 0x0) r6 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) ioctl$sock_SIOCGIFINDEX_802154(r6, 0x8933, &(0x7f0000000740)={'wpan0\x00', 0x0}) r8 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r9 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r10 = syz_genetlink_get_family_id$nl802154(&(0x7f00000013c0), 0xffffffffffffffff) sendmsg$NL802154_CMD_SET_CCA_MODE(r9, &(0x7f0000001500)={&(0x7f0000001380), 0xc, &(0x7f00000014c0)={&(0x7f0000001440)={0x24, r10, 0x1, 0x0, 0x0, {}, [@NL802154_ATTR_CCA_MODE={0x8}, @NL802154_ATTR_IFINDEX={0x8}]}, 0x24}}, 0x0) r11 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) ioctl$sock_SIOCGIFINDEX_802154(r11, 0x8933, &(0x7f0000000740)={'wpan0\x00', 0x0}) r13 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r14 = syz_genetlink_get_family_id$nl802154(&(0x7f00000013c0), 0xffffffffffffffff) sendmsg$NL802154_CMD_GET_WPAN_PHY(r13, &(0x7f0000000cc0)={0x0, 0x0, &(0x7f0000000c80)={&(0x7f0000000c00)={0x30, r14, 0x421, 0x0, 0x0, {}, [@NL802154_ATTR_WPAN_PHY={0x8, 0x1, 0x2}, @NL802154_ATTR_IFINDEX={0x8, 0x3, r12}, @NL802154_ATTR_WPAN_DEV={0xc, 0x6, 0x100000001}]}, 0x30}}, 0x0) sendmsg$NL802154_CMD_GET_INTERFACE(r8, &(0x7f0000000300)={&(0x7f0000000200), 0xc, &(0x7f00000002c0)={&(0x7f0000000240)={0x48, r10, 0x2, 0x70bd26, 0x25dfdbfc, {}, [@NL802154_ATTR_WPAN_DEV={0xc, 0x6, 0x200000002}, @NL802154_ATTR_IFINDEX={0x8, 0x3, r12}, @NL802154_ATTR_IFINDEX={0x8}, @NL802154_ATTR_WPAN_DEV={0xc, 0x6, 0x100000001}, @NL802154_ATTR_WPAN_DEV={0xc, 0x6, 0x2}]}, 0x48}, 0x1, 0x0, 0x0, 0x24006010}, 0x4001) r15 = syz_genetlink_get_family_id$nl802154(&(0x7f00000013c0), 0xffffffffffffffff) sendmsg$NL802154_CMD_GET_WPAN_PHY(r8, &(0x7f0000000cc0)={0x0, 0x0, &(0x7f0000000c80)={&(0x7f0000000c00)={0x30, r15, 0x421, 0x0, 0x0, {}, [@NL802154_ATTR_WPAN_PHY={0x8, 0x1, 0x2}, @NL802154_ATTR_IFINDEX={0x8, 0x3, r7}, @NL802154_ATTR_WPAN_DEV={0xc, 0x6, 0x100000001}]}, 0x30}}, 0x0) sendmsg$NL802154_CMD_GET_SEC_KEY(r1, &(0x7f00000001c0)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0xc00000}, 0xc, &(0x7f0000000180)={&(0x7f0000000080)={0x5c, 0x0, 0x2, 0x70bd28, 0x25dfdbfd, {}, [@NL802154_ATTR_IFINDEX={0x8}, @NL802154_ATTR_WPAN_DEV={0xc, 0x6, 0x200000002}, @NL802154_ATTR_IFINDEX={0x8, 0x3, r3}, @NL802154_ATTR_IFINDEX={0x8, 0x3, r7}, @NL802154_ATTR_WPAN_DEV={0xc, 0x6, 0x3}, @NL802154_ATTR_WPAN_DEV={0xc}, @NL802154_ATTR_WPAN_DEV={0xc, 0x6, 0x3}]}, 0x5c}}, 0x80e0) r16 = syz_open_dev$media(&(0x7f0000000340), 0x2, 0x658840) ioctl$MEDIA_IOC_G_TOPOLOGY(r16, 0xc0487c04, &(0x7f00000006c0)={0x0, 0x3, 0x0, &(0x7f0000000380)=[{}, {}, {}], 0x4, 0x0, &(0x7f0000000500)=[{}, {}, {}, {}], 0x6, 0x0, &(0x7f0000000780)=[{}, {}, {}, {}, {}, {}], 0x4, 0x0, &(0x7f0000000840)=[{}, {}, {}, {}]}) r17 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r18 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r17) sendmsg$NBD_CMD_DISCONNECT(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f00000004c0)=ANY=[@ANYBLOB='l\x00\x00\x00', @ANYRES16=r18, @ANYBLOB="01002dbd7000fddbdf25020000000c00030001000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB], 0x6c}}, 0x0) 12:26:30 executing program 4: r0 = socket$unix(0x1, 0x2, 0x0) sendmsg$unix(r0, &(0x7f00000003c0)={0x0, 0x0, 0x0}, 0x4000) 12:26:30 executing program 5: socket$unix(0x1, 0x2, 0x0) sendmsg$unix(0xffffffffffffffff, &(0x7f00000003c0)={&(0x7f0000000040)=@abs, 0x6e, 0x0}, 0x4000) [ 350.813226] netlink: 68 bytes leftover after parsing attributes in process `syz-executor.2'. [ 350.843801] nbd: couldn't find device at index 1860430902 12:26:30 executing program 0: r0 = socket$unix(0x1, 0x2, 0x0) sendmsg$unix(r0, &(0x7f00000003c0)={0x0, 0x0, &(0x7f0000000380)=[{&(0x7f00000000c0)="196bbd10d648e15729cdc3ab0d41585a532fa0372390c9c585b651ee01d26e362b", 0x21}, {0x0}], 0x2}, 0x4000) 12:26:30 executing program 3: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x40b01) ioctl$NBD_SET_SOCK(r0, 0xab00, 0xffffffffffffffff) r1 = socket$netlink(0x10, 0x3, 0x12) sendmsg$TIPC_CMD_SET_NETID(r1, &(0x7f0000000d80)={0x0, 0x0, &(0x7f0000000d40)={&(0x7f0000000d00)={0x24, 0x0, 0x0, 0x0, 0x0, {{}, {}, {0x8}}}, 0x24}}, 0x0) r2 = syz_genetlink_get_family_id$ipvs(&(0x7f0000000080), 0xffffffffffffffff) (async) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) ioctl$sock_SIOCGIFINDEX_802154(0xffffffffffffffff, 0x8933, &(0x7f0000000200)={'wpan0\x00', 0x0}) ioctl$sock_SIOCGIFINDEX_802154(0xffffffffffffffff, 0x8933, &(0x7f0000000240)={'wpan0\x00', 0x0}) (async) ioctl$sock_SIOCGIFINDEX_802154(0xffffffffffffffff, 0x8933, &(0x7f0000000280)={'wpan4\x00', 0x0}) sendmsg$NL802154_CMD_GET_SEC_DEVKEY(r3, &(0x7f0000000380)={&(0x7f00000001c0)={0x10, 0x0, 0x0, 0x200}, 0xc, &(0x7f0000000340)={&(0x7f00000002c0)={0x54, 0x0, 0x2, 0x70bd25, 0x25dfdbff, {}, [@NL802154_ATTR_IFINDEX={0x8}, @NL802154_ATTR_WPAN_DEV={0xc, 0x6, 0x2}, @NL802154_ATTR_IFINDEX={0x8, 0x3, r4}, @NL802154_ATTR_IFINDEX={0x8, 0x3, r5}, @NL802154_ATTR_IFINDEX={0x8}, @NL802154_ATTR_IFINDEX={0x8, 0x3, r6}, @NL802154_ATTR_WPAN_DEV={0xc, 0x6, 0x3}]}, 0x54}, 0x1, 0x0, 0x0, 0x80}, 0x810) (async) sendmsg$IPVS_CMD_GET_DAEMON(r1, &(0x7f0000000180)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x400}, 0xc, &(0x7f0000000140)={&(0x7f00000000c0)={0x5c, r2, 0x200, 0x70bd25, 0x25dfdbfe, {}, [@IPVS_CMD_ATTR_SERVICE={0x40, 0x1, 0x0, 0x1, [@IPVS_SVC_ATTR_FLAGS={0xc, 0x7, {0x1, 0x14}}, @IPVS_SVC_ATTR_PROTOCOL={0x6, 0x2, 0x3f}, @IPVS_SVC_ATTR_PE_NAME={0x8}, @IPVS_SVC_ATTR_NETMASK={0x8, 0x9, 0x31}, @IPVS_SVC_ATTR_PORT={0x6, 0x4, 0x4e22}, @IPVS_SVC_ATTR_AF={0x6}, @IPVS_SVC_ATTR_TIMEOUT={0x8, 0x8, 0x7}]}, @IPVS_CMD_ATTR_TIMEOUT_TCP_FIN={0x8, 0x5, 0xffff729c}]}, 0x5c}, 0x1, 0x0, 0x0, 0x40000}, 0x4000) (async) sendmsg$IPVS_CMD_GET_DEST(r1, &(0x7f0000000500)={&(0x7f00000003c0)={0x10, 0x0, 0x0, 0x20000}, 0xc, &(0x7f00000004c0)={&(0x7f0000000400)={0xa8, r2, 0x4, 0x70bd2b, 0x25dfdbfe, {}, [@IPVS_CMD_ATTR_TIMEOUT_TCP_FIN={0x8}, @IPVS_CMD_ATTR_TIMEOUT_TCP={0x8, 0x4, 0x2}, @IPVS_CMD_ATTR_SERVICE={0x44, 0x1, 0x0, 0x1, [@IPVS_SVC_ATTR_SCHED_NAME={0x8, 0x6, 'wlc\x00'}, @IPVS_SVC_ATTR_AF={0x6, 0x1, 0xa}, @IPVS_SVC_ATTR_PROTOCOL={0x6, 0x2, 0x2c}, @IPVS_SVC_ATTR_PROTOCOL={0x6, 0x2, 0x5e}, @IPVS_SVC_ATTR_FLAGS={0xc, 0x7, {0x3, 0x17}}, @IPVS_SVC_ATTR_FWMARK={0x8, 0x5, 0x2}, @IPVS_SVC_ATTR_FLAGS={0xc, 0x7, {0x25}}]}, @IPVS_CMD_ATTR_SERVICE={0x40, 0x1, 0x0, 0x1, [@IPVS_SVC_ATTR_TIMEOUT={0x8, 0x8, 0x401}, @IPVS_SVC_ATTR_NETMASK={0x8, 0x9, 0x7572}, @IPVS_SVC_ATTR_SCHED_NAME={0x7, 0x6, 'fo\x00'}, @IPVS_SVC_ATTR_SCHED_NAME={0x9, 0x6, 'none\x00'}, @IPVS_SVC_ATTR_PROTOCOL={0x6, 0x2, 0x2c}, @IPVS_SVC_ATTR_AF={0x6, 0x1, 0xa}, @IPVS_SVC_ATTR_PE_NAME={0x8}]}]}, 0xa8}, 0x1, 0x0, 0x0, 0x40001}, 0x0) 12:26:30 executing program 4: sendmsg$unix(0xffffffffffffffff, &(0x7f00000003c0)={0x0, 0x0, 0x0}, 0x4000) [ 350.867855] nbd: couldn't find device at index -1 12:26:30 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r1) sendmsg$NBD_CMD_DISCONNECT(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000000)=ANY=[@ANYBLOB='l\x00\x00\x00', @ANYRES16=r2, @ANYBLOB="01002dbd7000fddbdf25020000000c00030001000100", @ANYRES32], 0x6c}}, 0x0) 12:26:30 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) ioctl$sock_SIOCGIFINDEX_802154(r2, 0x8933, &(0x7f0000000740)={'wpan0\x00', 0x0}) r4 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r5 = syz_genetlink_get_family_id$nl802154(&(0x7f00000013c0), 0xffffffffffffffff) sendmsg$NL802154_CMD_GET_WPAN_PHY(r4, &(0x7f0000000cc0)={0x0, 0x0, &(0x7f0000000c80)={&(0x7f0000000c00)={0x30, r5, 0x421, 0x0, 0x0, {}, [@NL802154_ATTR_WPAN_PHY={0x8, 0x1, 0x2}, @NL802154_ATTR_IFINDEX={0x8, 0x3, r3}, @NL802154_ATTR_WPAN_DEV={0xc, 0x6, 0x100000001}]}, 0x30}}, 0x0) r6 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) ioctl$sock_SIOCGIFINDEX_802154(r6, 0x8933, &(0x7f0000000740)={'wpan0\x00', 0x0}) (async) r8 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) r9 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async, rerun: 32) r10 = syz_genetlink_get_family_id$nl802154(&(0x7f00000013c0), 0xffffffffffffffff) (rerun: 32) sendmsg$NL802154_CMD_SET_CCA_MODE(r9, &(0x7f0000001500)={&(0x7f0000001380), 0xc, &(0x7f00000014c0)={&(0x7f0000001440)={0x24, r10, 0x1, 0x0, 0x0, {}, [@NL802154_ATTR_CCA_MODE={0x8}, @NL802154_ATTR_IFINDEX={0x8}]}, 0x24}}, 0x0) r11 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) ioctl$sock_SIOCGIFINDEX_802154(r11, 0x8933, &(0x7f0000000740)={'wpan0\x00', 0x0}) (async) r13 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) r14 = syz_genetlink_get_family_id$nl802154(&(0x7f00000013c0), 0xffffffffffffffff) sendmsg$NL802154_CMD_GET_WPAN_PHY(r13, &(0x7f0000000cc0)={0x0, 0x0, &(0x7f0000000c80)={&(0x7f0000000c00)={0x30, r14, 0x421, 0x0, 0x0, {}, [@NL802154_ATTR_WPAN_PHY={0x8, 0x1, 0x2}, @NL802154_ATTR_IFINDEX={0x8, 0x3, r12}, @NL802154_ATTR_WPAN_DEV={0xc, 0x6, 0x100000001}]}, 0x30}}, 0x0) (async, rerun: 32) sendmsg$NL802154_CMD_GET_INTERFACE(r8, &(0x7f0000000300)={&(0x7f0000000200), 0xc, &(0x7f00000002c0)={&(0x7f0000000240)={0x48, r10, 0x2, 0x70bd26, 0x25dfdbfc, {}, [@NL802154_ATTR_WPAN_DEV={0xc, 0x6, 0x200000002}, @NL802154_ATTR_IFINDEX={0x8, 0x3, r12}, @NL802154_ATTR_IFINDEX={0x8}, @NL802154_ATTR_WPAN_DEV={0xc, 0x6, 0x100000001}, @NL802154_ATTR_WPAN_DEV={0xc, 0x6, 0x2}]}, 0x48}, 0x1, 0x0, 0x0, 0x24006010}, 0x4001) (rerun: 32) r15 = syz_genetlink_get_family_id$nl802154(&(0x7f00000013c0), 0xffffffffffffffff) sendmsg$NL802154_CMD_GET_WPAN_PHY(r8, &(0x7f0000000cc0)={0x0, 0x0, &(0x7f0000000c80)={&(0x7f0000000c00)={0x30, r15, 0x421, 0x0, 0x0, {}, [@NL802154_ATTR_WPAN_PHY={0x8, 0x1, 0x2}, @NL802154_ATTR_IFINDEX={0x8, 0x3, r7}, @NL802154_ATTR_WPAN_DEV={0xc, 0x6, 0x100000001}]}, 0x30}}, 0x0) (async) sendmsg$NL802154_CMD_GET_SEC_KEY(r1, &(0x7f00000001c0)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0xc00000}, 0xc, &(0x7f0000000180)={&(0x7f0000000080)={0x5c, 0x0, 0x2, 0x70bd28, 0x25dfdbfd, {}, [@NL802154_ATTR_IFINDEX={0x8}, @NL802154_ATTR_WPAN_DEV={0xc, 0x6, 0x200000002}, @NL802154_ATTR_IFINDEX={0x8, 0x3, r3}, @NL802154_ATTR_IFINDEX={0x8, 0x3, r7}, @NL802154_ATTR_WPAN_DEV={0xc, 0x6, 0x3}, @NL802154_ATTR_WPAN_DEV={0xc}, @NL802154_ATTR_WPAN_DEV={0xc, 0x6, 0x3}]}, 0x5c}}, 0x80e0) (async, rerun: 32) r16 = syz_open_dev$media(&(0x7f0000000340), 0x2, 0x658840) (rerun: 32) ioctl$MEDIA_IOC_G_TOPOLOGY(r16, 0xc0487c04, &(0x7f00000006c0)={0x0, 0x3, 0x0, &(0x7f0000000380)=[{}, {}, {}], 0x4, 0x0, &(0x7f0000000500)=[{}, {}, {}, {}], 0x6, 0x0, &(0x7f0000000780)=[{}, {}, {}, {}, {}, {}], 0x4, 0x0, &(0x7f0000000840)=[{}, {}, {}, {}]}) (async) r17 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r18 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r17) sendmsg$NBD_CMD_DISCONNECT(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f00000004c0)=ANY=[@ANYBLOB='l\x00\x00\x00', @ANYRES16=r18, @ANYBLOB="01002dbd7000fddbdf25020000000c00030001000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB], 0x6c}}, 0x0) 12:26:30 executing program 5: socket$unix(0x1, 0x2, 0x0) sendmsg$unix(0xffffffffffffffff, &(0x7f00000003c0)={&(0x7f0000000040)=@abs, 0x6e, 0x0}, 0x4000) 12:26:30 executing program 4: sendmsg$unix(0xffffffffffffffff, &(0x7f00000003c0)={0x0, 0x0, 0x0}, 0x4000) 12:26:30 executing program 0: r0 = socket$unix(0x1, 0x2, 0x0) sendmsg$unix(r0, &(0x7f00000003c0)={0x0, 0x0, &(0x7f0000000380)=[{0x0}], 0x1}, 0x4000) 12:26:30 executing program 5: r0 = socket$unix(0x1, 0x2, 0x0) sendmsg$unix(r0, 0x0, 0x4000) 12:26:30 executing program 3: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x40b01) ioctl$NBD_SET_SOCK(r0, 0xab00, 0xffffffffffffffff) (async) r1 = socket$netlink(0x10, 0x3, 0x12) sendmsg$TIPC_CMD_SET_NETID(r1, &(0x7f0000000d80)={0x0, 0x0, &(0x7f0000000d40)={&(0x7f0000000d00)={0x24, 0x0, 0x0, 0x0, 0x0, {{}, {}, {0x8}}}, 0x24}}, 0x0) r2 = syz_genetlink_get_family_id$ipvs(&(0x7f0000000080), 0xffffffffffffffff) (async) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) ioctl$sock_SIOCGIFINDEX_802154(0xffffffffffffffff, 0x8933, &(0x7f0000000200)={'wpan0\x00', 0x0}) (async) ioctl$sock_SIOCGIFINDEX_802154(0xffffffffffffffff, 0x8933, &(0x7f0000000240)={'wpan0\x00', 0x0}) (async) ioctl$sock_SIOCGIFINDEX_802154(0xffffffffffffffff, 0x8933, &(0x7f0000000280)={'wpan4\x00', 0x0}) sendmsg$NL802154_CMD_GET_SEC_DEVKEY(r3, &(0x7f0000000380)={&(0x7f00000001c0)={0x10, 0x0, 0x0, 0x200}, 0xc, &(0x7f0000000340)={&(0x7f00000002c0)={0x54, 0x0, 0x2, 0x70bd25, 0x25dfdbff, {}, [@NL802154_ATTR_IFINDEX={0x8}, @NL802154_ATTR_WPAN_DEV={0xc, 0x6, 0x2}, @NL802154_ATTR_IFINDEX={0x8, 0x3, r4}, @NL802154_ATTR_IFINDEX={0x8, 0x3, r5}, @NL802154_ATTR_IFINDEX={0x8}, @NL802154_ATTR_IFINDEX={0x8, 0x3, r6}, @NL802154_ATTR_WPAN_DEV={0xc, 0x6, 0x3}]}, 0x54}, 0x1, 0x0, 0x0, 0x80}, 0x810) sendmsg$IPVS_CMD_GET_DAEMON(r1, &(0x7f0000000180)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x400}, 0xc, &(0x7f0000000140)={&(0x7f00000000c0)={0x5c, r2, 0x200, 0x70bd25, 0x25dfdbfe, {}, [@IPVS_CMD_ATTR_SERVICE={0x40, 0x1, 0x0, 0x1, [@IPVS_SVC_ATTR_FLAGS={0xc, 0x7, {0x1, 0x14}}, @IPVS_SVC_ATTR_PROTOCOL={0x6, 0x2, 0x3f}, @IPVS_SVC_ATTR_PE_NAME={0x8}, @IPVS_SVC_ATTR_NETMASK={0x8, 0x9, 0x31}, @IPVS_SVC_ATTR_PORT={0x6, 0x4, 0x4e22}, @IPVS_SVC_ATTR_AF={0x6}, @IPVS_SVC_ATTR_TIMEOUT={0x8, 0x8, 0x7}]}, @IPVS_CMD_ATTR_TIMEOUT_TCP_FIN={0x8, 0x5, 0xffff729c}]}, 0x5c}, 0x1, 0x0, 0x0, 0x40000}, 0x4000) (async) sendmsg$IPVS_CMD_GET_DEST(r1, &(0x7f0000000500)={&(0x7f00000003c0)={0x10, 0x0, 0x0, 0x20000}, 0xc, &(0x7f00000004c0)={&(0x7f0000000400)={0xa8, r2, 0x4, 0x70bd2b, 0x25dfdbfe, {}, [@IPVS_CMD_ATTR_TIMEOUT_TCP_FIN={0x8}, @IPVS_CMD_ATTR_TIMEOUT_TCP={0x8, 0x4, 0x2}, @IPVS_CMD_ATTR_SERVICE={0x44, 0x1, 0x0, 0x1, [@IPVS_SVC_ATTR_SCHED_NAME={0x8, 0x6, 'wlc\x00'}, @IPVS_SVC_ATTR_AF={0x6, 0x1, 0xa}, @IPVS_SVC_ATTR_PROTOCOL={0x6, 0x2, 0x2c}, @IPVS_SVC_ATTR_PROTOCOL={0x6, 0x2, 0x5e}, @IPVS_SVC_ATTR_FLAGS={0xc, 0x7, {0x3, 0x17}}, @IPVS_SVC_ATTR_FWMARK={0x8, 0x5, 0x2}, @IPVS_SVC_ATTR_FLAGS={0xc, 0x7, {0x25}}]}, @IPVS_CMD_ATTR_SERVICE={0x40, 0x1, 0x0, 0x1, [@IPVS_SVC_ATTR_TIMEOUT={0x8, 0x8, 0x401}, @IPVS_SVC_ATTR_NETMASK={0x8, 0x9, 0x7572}, @IPVS_SVC_ATTR_SCHED_NAME={0x7, 0x6, 'fo\x00'}, @IPVS_SVC_ATTR_SCHED_NAME={0x9, 0x6, 'none\x00'}, @IPVS_SVC_ATTR_PROTOCOL={0x6, 0x2, 0x2c}, @IPVS_SVC_ATTR_AF={0x6, 0x1, 0xa}, @IPVS_SVC_ATTR_PE_NAME={0x8}]}]}, 0xa8}, 0x1, 0x0, 0x0, 0x40001}, 0x0) 12:26:30 executing program 4: sendmsg$unix(0xffffffffffffffff, &(0x7f00000003c0)={0x0, 0x0, 0x0}, 0x4000) [ 350.955368] nbd: must specify an index to disconnect 12:26:30 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r1) sendmsg$NBD_CMD_DISCONNECT(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000000)=ANY=[@ANYBLOB='l\x00\x00\x00', @ANYRES16=r2, @ANYBLOB="01002dbd7000fddbdf25020000000c00030001000100", @ANYRES32], 0x6c}}, 0x0) 12:26:30 executing program 0: r0 = socket$unix(0x1, 0x2, 0x0) sendmsg$unix(r0, &(0x7f00000003c0)={0x0, 0x0, &(0x7f0000000380)=[{0x0}], 0x1}, 0x4000) 12:26:30 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) ioctl$sock_SIOCGIFINDEX_802154(r2, 0x8933, &(0x7f0000000740)={'wpan0\x00', 0x0}) (async, rerun: 64) r4 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (rerun: 64) r5 = syz_genetlink_get_family_id$nl802154(&(0x7f00000013c0), 0xffffffffffffffff) sendmsg$NL802154_CMD_GET_WPAN_PHY(r4, &(0x7f0000000cc0)={0x0, 0x0, &(0x7f0000000c80)={&(0x7f0000000c00)={0x30, r5, 0x421, 0x0, 0x0, {}, [@NL802154_ATTR_WPAN_PHY={0x8, 0x1, 0x2}, @NL802154_ATTR_IFINDEX={0x8, 0x3, r3}, @NL802154_ATTR_WPAN_DEV={0xc, 0x6, 0x100000001}]}, 0x30}}, 0x0) (async, rerun: 64) r6 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (rerun: 64) ioctl$sock_SIOCGIFINDEX_802154(r6, 0x8933, &(0x7f0000000740)={'wpan0\x00', 0x0}) (async) r8 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) r9 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r10 = syz_genetlink_get_family_id$nl802154(&(0x7f00000013c0), 0xffffffffffffffff) sendmsg$NL802154_CMD_SET_CCA_MODE(r9, &(0x7f0000001500)={&(0x7f0000001380), 0xc, &(0x7f00000014c0)={&(0x7f0000001440)={0x24, r10, 0x1, 0x0, 0x0, {}, [@NL802154_ATTR_CCA_MODE={0x8}, @NL802154_ATTR_IFINDEX={0x8}]}, 0x24}}, 0x0) (async, rerun: 32) r11 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (rerun: 32) ioctl$sock_SIOCGIFINDEX_802154(r11, 0x8933, &(0x7f0000000740)={'wpan0\x00', 0x0}) r13 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r14 = syz_genetlink_get_family_id$nl802154(&(0x7f00000013c0), 0xffffffffffffffff) sendmsg$NL802154_CMD_GET_WPAN_PHY(r13, &(0x7f0000000cc0)={0x0, 0x0, &(0x7f0000000c80)={&(0x7f0000000c00)={0x30, r14, 0x421, 0x0, 0x0, {}, [@NL802154_ATTR_WPAN_PHY={0x8, 0x1, 0x2}, @NL802154_ATTR_IFINDEX={0x8, 0x3, r12}, @NL802154_ATTR_WPAN_DEV={0xc, 0x6, 0x100000001}]}, 0x30}}, 0x0) (async) sendmsg$NL802154_CMD_GET_INTERFACE(r8, &(0x7f0000000300)={&(0x7f0000000200), 0xc, &(0x7f00000002c0)={&(0x7f0000000240)={0x48, r10, 0x2, 0x70bd26, 0x25dfdbfc, {}, [@NL802154_ATTR_WPAN_DEV={0xc, 0x6, 0x200000002}, @NL802154_ATTR_IFINDEX={0x8, 0x3, r12}, @NL802154_ATTR_IFINDEX={0x8}, @NL802154_ATTR_WPAN_DEV={0xc, 0x6, 0x100000001}, @NL802154_ATTR_WPAN_DEV={0xc, 0x6, 0x2}]}, 0x48}, 0x1, 0x0, 0x0, 0x24006010}, 0x4001) r15 = syz_genetlink_get_family_id$nl802154(&(0x7f00000013c0), 0xffffffffffffffff) sendmsg$NL802154_CMD_GET_WPAN_PHY(r8, &(0x7f0000000cc0)={0x0, 0x0, &(0x7f0000000c80)={&(0x7f0000000c00)={0x30, r15, 0x421, 0x0, 0x0, {}, [@NL802154_ATTR_WPAN_PHY={0x8, 0x1, 0x2}, @NL802154_ATTR_IFINDEX={0x8, 0x3, r7}, @NL802154_ATTR_WPAN_DEV={0xc, 0x6, 0x100000001}]}, 0x30}}, 0x0) sendmsg$NL802154_CMD_GET_SEC_KEY(r1, &(0x7f00000001c0)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0xc00000}, 0xc, &(0x7f0000000180)={&(0x7f0000000080)={0x5c, 0x0, 0x2, 0x70bd28, 0x25dfdbfd, {}, [@NL802154_ATTR_IFINDEX={0x8}, @NL802154_ATTR_WPAN_DEV={0xc, 0x6, 0x200000002}, @NL802154_ATTR_IFINDEX={0x8, 0x3, r3}, @NL802154_ATTR_IFINDEX={0x8, 0x3, r7}, @NL802154_ATTR_WPAN_DEV={0xc, 0x6, 0x3}, @NL802154_ATTR_WPAN_DEV={0xc}, @NL802154_ATTR_WPAN_DEV={0xc, 0x6, 0x3}]}, 0x5c}}, 0x80e0) (async) r16 = syz_open_dev$media(&(0x7f0000000340), 0x2, 0x658840) ioctl$MEDIA_IOC_G_TOPOLOGY(r16, 0xc0487c04, &(0x7f00000006c0)={0x0, 0x3, 0x0, &(0x7f0000000380)=[{}, {}, {}], 0x4, 0x0, &(0x7f0000000500)=[{}, {}, {}, {}], 0x6, 0x0, &(0x7f0000000780)=[{}, {}, {}, {}, {}, {}], 0x4, 0x0, &(0x7f0000000840)=[{}, {}, {}, {}]}) r17 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r18 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r17) sendmsg$NBD_CMD_DISCONNECT(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f00000004c0)=ANY=[@ANYBLOB='l\x00\x00\x00', @ANYRES16=r18, @ANYBLOB="01002dbd7000fddbdf25020000000c00030001000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB], 0x6c}}, 0x0) 12:26:30 executing program 4: r0 = socket$unix(0x1, 0x0, 0x0) sendmsg$unix(r0, &(0x7f00000003c0)={0x0, 0x0, 0x0}, 0x4000) 12:26:30 executing program 5: r0 = socket$unix(0x1, 0x2, 0x0) sendmsg$unix(r0, 0x0, 0x4000) [ 351.018038] nbd: couldn't find device at index -1 12:26:30 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NL802154_CMD_SET_CCA_ED_LEVEL(r0, &(0x7f0000000b40)={&(0x7f0000000a80), 0xc, &(0x7f0000000b00)={&(0x7f0000000ac0)={0x14, 0x0, 0x1}, 0x14}}, 0x0) r1 = syz_genetlink_get_family_id$nl802154(&(0x7f0000000080), 0xffffffffffffffff) ioctl$sock_SIOCGIFINDEX_802154(0xffffffffffffffff, 0x8933, &(0x7f00000000c0)={'wpan0\x00', 0x0}) ioctl$sock_SIOCGIFINDEX_802154(0xffffffffffffffff, 0x8933, &(0x7f0000000100)={'wpan4\x00', 0x0}) sendmsg$NL802154_CMD_SET_BACKOFF_EXPONENT(r0, &(0x7f0000000200)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x200}, 0xc, &(0x7f00000001c0)={&(0x7f0000000140)={0x68, r1, 0x200, 0x70bd2a, 0x25dfdbfc, {}, [@NL802154_ATTR_MIN_BE={0x5}, @NL802154_ATTR_MAX_BE={0x5, 0x10, 0x6}, @NL802154_ATTR_MIN_BE={0x5}, @NL802154_ATTR_WPAN_DEV={0xc, 0x6, 0x100000001}, @NL802154_ATTR_MAX_BE={0x5, 0x10, 0xbe}, @NL802154_ATTR_MIN_BE={0x5, 0x11, 0x7}, @NL802154_ATTR_MAX_BE={0x5}, @NL802154_ATTR_IFINDEX={0x8, 0x3, r2}, @NL802154_ATTR_IFINDEX={0x8}, @NL802154_ATTR_IFINDEX={0x8, 0x3, r3}]}, 0x68}, 0x1, 0x0, 0x0, 0x40}, 0x4000) r4 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NL802154_CMD_SET_CCA_ED_LEVEL(r4, &(0x7f0000000b40)={&(0x7f0000000a80), 0xc, &(0x7f0000000b00)={&(0x7f0000000ac0)={0x14, 0x0, 0x1}, 0x14}}, 0x0) r5 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r6 = syz_genetlink_get_family_id$nl802154(&(0x7f00000013c0), 0xffffffffffffffff) sendmsg$NL802154_CMD_SET_CCA_MODE(r5, &(0x7f0000001500)={&(0x7f0000001380), 0xc, &(0x7f00000014c0)={&(0x7f0000001440)={0x24, r6, 0x1, 0x0, 0x0, {}, [@NL802154_ATTR_CCA_MODE={0x8}, @NL802154_ATTR_IFINDEX={0x8}]}, 0x24}}, 0x0) ioctl$sock_SIOCGIFINDEX_802154(r0, 0x8933, &(0x7f0000000280)={'wpan4\x00', 0x0}) r8 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) ioctl$sock_SIOCGIFINDEX_802154(r8, 0x8933, &(0x7f0000000740)={'wpan0\x00', 0x0}) r10 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r11 = syz_genetlink_get_family_id$nl802154(&(0x7f00000013c0), 0xffffffffffffffff) sendmsg$NL802154_CMD_GET_WPAN_PHY(r10, &(0x7f0000000cc0)={0x0, 0x0, &(0x7f0000000c80)={&(0x7f0000000c00)={0x30, r11, 0x421, 0x0, 0x0, {}, [@NL802154_ATTR_WPAN_PHY={0x8, 0x1, 0x2}, @NL802154_ATTR_IFINDEX={0x8, 0x3, r9}, @NL802154_ATTR_WPAN_DEV={0xc, 0x6, 0x100000001}]}, 0x30}}, 0x0) sendmsg$NL802154_CMD_GET_INTERFACE(r4, &(0x7f0000000340)={&(0x7f0000000240)={0x10, 0x0, 0x0, 0x40000}, 0xc, &(0x7f0000000300)={&(0x7f00000002c0)={0x38, r6, 0x4, 0x70bd2d, 0x25dfdbff, {}, [@NL802154_ATTR_IFINDEX={0x8, 0x3, r7}, @NL802154_ATTR_IFINDEX={0x8, 0x3, r2}, @NL802154_ATTR_IFINDEX={0x8, 0x3, r9}, @NL802154_ATTR_WPAN_DEV={0xc, 0x6, 0x300000003}]}, 0x38}, 0x1, 0x0, 0x0, 0x20000040}, 0x4c040) r12 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x563040) ioctl$NBD_SET_SOCK(r12, 0xab00, 0xffffffffffffffff) 12:26:30 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r1) sendmsg$NBD_CMD_DISCONNECT(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000000)=ANY=[@ANYBLOB='l\x00\x00\x00', @ANYRES16=r2, @ANYBLOB="01002dbd7000fddbdf25020000000c00030001000100", @ANYRES32], 0x6c}}, 0x0) 12:26:30 executing program 4: r0 = socket$unix(0x1, 0x0, 0x0) sendmsg$unix(r0, &(0x7f00000003c0)={0x0, 0x0, 0x0}, 0x4000) [ 351.065824] nbd: must specify an index to disconnect 12:26:30 executing program 0: r0 = socket$unix(0x1, 0x2, 0x0) sendmsg$unix(r0, &(0x7f00000003c0)={0x0, 0x0, &(0x7f0000000380)=[{0x0}], 0x1}, 0x4000) 12:26:30 executing program 5: r0 = socket$unix(0x1, 0x2, 0x0) sendmsg$unix(r0, 0x0, 0x4000) 12:26:30 executing program 0: r0 = socket$unix(0x1, 0x2, 0x0) sendmsg$unix(r0, &(0x7f00000003c0)={0x0, 0x0, &(0x7f0000000380)=[{0x0}, {0x0}], 0x2}, 0x4000) 12:26:30 executing program 4: r0 = socket$unix(0x1, 0x0, 0x0) sendmsg$unix(r0, &(0x7f00000003c0)={0x0, 0x0, 0x0}, 0x4000) 12:26:30 executing program 5: r0 = socket$unix(0x1, 0x2, 0x0) sendmsg$unix(r0, &(0x7f00000003c0)={0x0, 0x0, 0x0}, 0x4000) [ 351.152426] nbd: must specify an index to disconnect 12:26:30 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r1) sendmsg$NBD_CMD_DISCONNECT(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000000)=ANY=[@ANYBLOB='l\x00\x00\x00', @ANYRES16=r2, @ANYBLOB="01002dbd7000fddbdf25020000000c00030001000100", @ANYRES32, @ANYBLOB], 0x6c}}, 0x0) [ 351.236155] nbd: must specify an index to disconnect 12:26:30 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r1) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NL802154_CMD_SET_CCA_ED_LEVEL(r3, &(0x7f0000000b40)={&(0x7f0000000a80), 0xc, &(0x7f0000000b00)={&(0x7f0000000ac0)={0x14, 0x0, 0x1}, 0x14}}, 0x0) r4 = syz_genetlink_get_family_id$nl802154(&(0x7f0000000080), r1) sendmsg$NL802154_CMD_SET_CHANNEL(r3, &(0x7f0000000280)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x80000000}, 0xc, &(0x7f0000000240)={&(0x7f00000000c0)={0x1c, r4, 0x8, 0x70bd2b, 0x25dfdbfd, {}, [@NL802154_ATTR_PAGE={0x5, 0x7, 0x1e}]}, 0x1c}, 0x1, 0x0, 0x0, 0x10000000}, 0x4000004) r5 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NL802154_CMD_SET_CCA_ED_LEVEL(r5, &(0x7f0000000b40)={&(0x7f0000000a80), 0xc, &(0x7f0000000b00)={&(0x7f0000000ac0)={0x14, 0x0, 0x1}, 0x14}}, 0x0) r6 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NL802154_CMD_SET_CCA_ED_LEVEL(r6, &(0x7f0000000b40)={&(0x7f0000000a80), 0xc, &(0x7f0000000b00)={&(0x7f0000000ac0)={0x14, 0x0, 0x1}, 0x14}}, 0x0) sendmsg$NBD_CMD_DISCONNECT(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000180)=ANY=[@ANYRES32=r5, @ANYRES16=r2, @ANYRES64=r3, @ANYRESDEC, @ANYRES64=r3, @ANYRES64=r6, @ANYBLOB="0ae98107367593d71f44b0ed6bb09adca202be242b29c3384aebc11133ed2664aa9c618bae03a76e9d80760a0aa91b4ca11bfc94bba3746cb90716b6c8ba66fcd01b11546e877fe4829017d6eb3c4f6754a9a347113464cec91c6a401d51824301da0e1f4832b621bafd9a14e839ce1122c49bd9814a9f473f93e1c94fdde036"], 0x6c}}, 0x4000) 12:26:30 executing program 4: socket$unix(0x1, 0x2, 0x0) sendmsg$unix(0xffffffffffffffff, &(0x7f00000003c0)={0x0, 0x0, 0x0}, 0x4000) 12:26:30 executing program 0: r0 = socket$unix(0x1, 0x2, 0x0) sendmsg$unix(r0, &(0x7f00000003c0)={0x0, 0x0, &(0x7f0000000380)=[{0x0}, {0x0}], 0x2}, 0x0) 12:26:30 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NL802154_CMD_SET_CCA_ED_LEVEL(r0, &(0x7f0000000b40)={&(0x7f0000000a80), 0xc, &(0x7f0000000b00)={&(0x7f0000000ac0)={0x14, 0x0, 0x1}, 0x14}}, 0x0) (async) r1 = syz_genetlink_get_family_id$nl802154(&(0x7f0000000080), 0xffffffffffffffff) ioctl$sock_SIOCGIFINDEX_802154(0xffffffffffffffff, 0x8933, &(0x7f00000000c0)={'wpan0\x00', 0x0}) (async) ioctl$sock_SIOCGIFINDEX_802154(0xffffffffffffffff, 0x8933, &(0x7f0000000100)={'wpan4\x00', 0x0}) sendmsg$NL802154_CMD_SET_BACKOFF_EXPONENT(r0, &(0x7f0000000200)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x200}, 0xc, &(0x7f00000001c0)={&(0x7f0000000140)={0x68, r1, 0x200, 0x70bd2a, 0x25dfdbfc, {}, [@NL802154_ATTR_MIN_BE={0x5}, @NL802154_ATTR_MAX_BE={0x5, 0x10, 0x6}, @NL802154_ATTR_MIN_BE={0x5}, @NL802154_ATTR_WPAN_DEV={0xc, 0x6, 0x100000001}, @NL802154_ATTR_MAX_BE={0x5, 0x10, 0xbe}, @NL802154_ATTR_MIN_BE={0x5, 0x11, 0x7}, @NL802154_ATTR_MAX_BE={0x5}, @NL802154_ATTR_IFINDEX={0x8, 0x3, r2}, @NL802154_ATTR_IFINDEX={0x8}, @NL802154_ATTR_IFINDEX={0x8, 0x3, r3}]}, 0x68}, 0x1, 0x0, 0x0, 0x40}, 0x4000) (async) r4 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NL802154_CMD_SET_CCA_ED_LEVEL(r4, &(0x7f0000000b40)={&(0x7f0000000a80), 0xc, &(0x7f0000000b00)={&(0x7f0000000ac0)={0x14, 0x0, 0x1}, 0x14}}, 0x0) (async) r5 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) r6 = syz_genetlink_get_family_id$nl802154(&(0x7f00000013c0), 0xffffffffffffffff) sendmsg$NL802154_CMD_SET_CCA_MODE(r5, &(0x7f0000001500)={&(0x7f0000001380), 0xc, &(0x7f00000014c0)={&(0x7f0000001440)={0x24, r6, 0x1, 0x0, 0x0, {}, [@NL802154_ATTR_CCA_MODE={0x8}, @NL802154_ATTR_IFINDEX={0x8}]}, 0x24}}, 0x0) ioctl$sock_SIOCGIFINDEX_802154(r0, 0x8933, &(0x7f0000000280)={'wpan4\x00', 0x0}) r8 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) ioctl$sock_SIOCGIFINDEX_802154(r8, 0x8933, &(0x7f0000000740)={'wpan0\x00', 0x0}) (async) r10 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async, rerun: 32) r11 = syz_genetlink_get_family_id$nl802154(&(0x7f00000013c0), 0xffffffffffffffff) (rerun: 32) sendmsg$NL802154_CMD_GET_WPAN_PHY(r10, &(0x7f0000000cc0)={0x0, 0x0, &(0x7f0000000c80)={&(0x7f0000000c00)={0x30, r11, 0x421, 0x0, 0x0, {}, [@NL802154_ATTR_WPAN_PHY={0x8, 0x1, 0x2}, @NL802154_ATTR_IFINDEX={0x8, 0x3, r9}, @NL802154_ATTR_WPAN_DEV={0xc, 0x6, 0x100000001}]}, 0x30}}, 0x0) sendmsg$NL802154_CMD_GET_INTERFACE(r4, &(0x7f0000000340)={&(0x7f0000000240)={0x10, 0x0, 0x0, 0x40000}, 0xc, &(0x7f0000000300)={&(0x7f00000002c0)={0x38, r6, 0x4, 0x70bd2d, 0x25dfdbff, {}, [@NL802154_ATTR_IFINDEX={0x8, 0x3, r7}, @NL802154_ATTR_IFINDEX={0x8, 0x3, r2}, @NL802154_ATTR_IFINDEX={0x8, 0x3, r9}, @NL802154_ATTR_WPAN_DEV={0xc, 0x6, 0x300000003}]}, 0x38}, 0x1, 0x0, 0x0, 0x20000040}, 0x4c040) (async) r12 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x563040) ioctl$NBD_SET_SOCK(r12, 0xab00, 0xffffffffffffffff) 12:26:30 executing program 5: r0 = socket$unix(0x1, 0x2, 0x0) sendmsg$unix(r0, &(0x7f00000003c0)={0x0, 0x0, 0x0}, 0x4000) 12:26:30 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r1) sendmsg$NBD_CMD_DISCONNECT(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000000)=ANY=[@ANYBLOB='l\x00\x00\x00', @ANYRES16=r2, @ANYBLOB="01002dbd7000fddbdf25020000000c00030001000100", @ANYRES32, @ANYBLOB], 0x6c}}, 0x0) [ 351.264135] nbd: couldn't find device at index -1 12:26:30 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r1) (async, rerun: 64) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (rerun: 64) sendmsg$NL802154_CMD_SET_CCA_ED_LEVEL(r3, &(0x7f0000000b40)={&(0x7f0000000a80), 0xc, &(0x7f0000000b00)={&(0x7f0000000ac0)={0x14, 0x0, 0x1}, 0x14}}, 0x0) r4 = syz_genetlink_get_family_id$nl802154(&(0x7f0000000080), r1) sendmsg$NL802154_CMD_SET_CHANNEL(r3, &(0x7f0000000280)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x80000000}, 0xc, &(0x7f0000000240)={&(0x7f00000000c0)={0x1c, r4, 0x8, 0x70bd2b, 0x25dfdbfd, {}, [@NL802154_ATTR_PAGE={0x5, 0x7, 0x1e}]}, 0x1c}, 0x1, 0x0, 0x0, 0x10000000}, 0x4000004) (async, rerun: 32) r5 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (rerun: 32) sendmsg$NL802154_CMD_SET_CCA_ED_LEVEL(r5, &(0x7f0000000b40)={&(0x7f0000000a80), 0xc, &(0x7f0000000b00)={&(0x7f0000000ac0)={0x14, 0x0, 0x1}, 0x14}}, 0x0) (async) r6 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NL802154_CMD_SET_CCA_ED_LEVEL(r6, &(0x7f0000000b40)={&(0x7f0000000a80), 0xc, &(0x7f0000000b00)={&(0x7f0000000ac0)={0x14, 0x0, 0x1}, 0x14}}, 0x0) sendmsg$NBD_CMD_DISCONNECT(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000180)=ANY=[@ANYRES32=r5, @ANYRES16=r2, @ANYRES64=r3, @ANYRESDEC, @ANYRES64=r3, @ANYRES64=r6, @ANYBLOB="0ae98107367593d71f44b0ed6bb09adca202be242b29c3384aebc11133ed2664aa9c618bae03a76e9d80760a0aa91b4ca11bfc94bba3746cb90716b6c8ba66fcd01b11546e877fe4829017d6eb3c4f6754a9a347113464cec91c6a401d51824301da0e1f4832b621bafd9a14e839ce1122c49bd9814a9f473f93e1c94fdde036"], 0x6c}}, 0x4000) 12:26:30 executing program 4: socket$unix(0x1, 0x2, 0x0) sendmsg$unix(0xffffffffffffffff, &(0x7f00000003c0)={0x0, 0x0, 0x0}, 0x4000) 12:26:30 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r1) sendmsg$NBD_CMD_DISCONNECT(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000000)=ANY=[@ANYBLOB='l\x00\x00\x00', @ANYRES16=r2, @ANYBLOB="01002dbd7000fddbdf25020000000c00030001000100", @ANYRES32], 0x6c}}, 0x0) 12:26:30 executing program 5: r0 = socket$unix(0x1, 0x2, 0x0) sendmsg$unix(r0, &(0x7f00000003c0)={0x0, 0x0, 0x0}, 0x4000) 12:26:30 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r1) sendmsg$NBD_CMD_DISCONNECT(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000000)=ANY=[@ANYBLOB='l\x00\x00\x00', @ANYRES16=r2, @ANYBLOB="01002dbd7000fddbdf25020000000c00030001000100", @ANYRES32, @ANYBLOB], 0x6c}}, 0x0) [ 351.362297] nbd: must specify an index to disconnect 12:26:31 executing program 4: socket$unix(0x1, 0x2, 0x0) sendmsg$unix(0xffffffffffffffff, &(0x7f00000003c0)={0x0, 0x0, 0x0}, 0x4000) 12:26:31 executing program 5: r0 = socket$unix(0x1, 0x2, 0x0) sendmsg$unix(r0, &(0x7f00000003c0)={&(0x7f0000000040)=@abs, 0x6e, 0x0}, 0x0) 12:26:31 executing program 4: r0 = socket$unix(0x1, 0x2, 0x0) sendmsg$unix(r0, 0x0, 0x4000) [ 351.442192] nbd: must specify an index to disconnect 12:26:31 executing program 5: r0 = socket$unix(0x1, 0x2, 0x0) sendmsg$unix(r0, 0x0, 0x4000) 12:26:31 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NL802154_CMD_SET_CCA_ED_LEVEL(r0, &(0x7f0000000b40)={&(0x7f0000000a80), 0xc, &(0x7f0000000b00)={&(0x7f0000000ac0)={0x14, 0x0, 0x1}, 0x14}}, 0x0) r1 = syz_genetlink_get_family_id$nl802154(&(0x7f0000000080), 0xffffffffffffffff) (async, rerun: 64) ioctl$sock_SIOCGIFINDEX_802154(0xffffffffffffffff, 0x8933, &(0x7f00000000c0)={'wpan0\x00', 0x0}) (rerun: 64) ioctl$sock_SIOCGIFINDEX_802154(0xffffffffffffffff, 0x8933, &(0x7f0000000100)={'wpan4\x00', 0x0}) sendmsg$NL802154_CMD_SET_BACKOFF_EXPONENT(r0, &(0x7f0000000200)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x200}, 0xc, &(0x7f00000001c0)={&(0x7f0000000140)={0x68, r1, 0x200, 0x70bd2a, 0x25dfdbfc, {}, [@NL802154_ATTR_MIN_BE={0x5}, @NL802154_ATTR_MAX_BE={0x5, 0x10, 0x6}, @NL802154_ATTR_MIN_BE={0x5}, @NL802154_ATTR_WPAN_DEV={0xc, 0x6, 0x100000001}, @NL802154_ATTR_MAX_BE={0x5, 0x10, 0xbe}, @NL802154_ATTR_MIN_BE={0x5, 0x11, 0x7}, @NL802154_ATTR_MAX_BE={0x5}, @NL802154_ATTR_IFINDEX={0x8, 0x3, r2}, @NL802154_ATTR_IFINDEX={0x8}, @NL802154_ATTR_IFINDEX={0x8, 0x3, r3}]}, 0x68}, 0x1, 0x0, 0x0, 0x40}, 0x4000) (async, rerun: 32) r4 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (rerun: 32) sendmsg$NL802154_CMD_SET_CCA_ED_LEVEL(r4, &(0x7f0000000b40)={&(0x7f0000000a80), 0xc, &(0x7f0000000b00)={&(0x7f0000000ac0)={0x14, 0x0, 0x1}, 0x14}}, 0x0) (async) r5 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r6 = syz_genetlink_get_family_id$nl802154(&(0x7f00000013c0), 0xffffffffffffffff) sendmsg$NL802154_CMD_SET_CCA_MODE(r5, &(0x7f0000001500)={&(0x7f0000001380), 0xc, &(0x7f00000014c0)={&(0x7f0000001440)={0x24, r6, 0x1, 0x0, 0x0, {}, [@NL802154_ATTR_CCA_MODE={0x8}, @NL802154_ATTR_IFINDEX={0x8}]}, 0x24}}, 0x0) ioctl$sock_SIOCGIFINDEX_802154(r0, 0x8933, &(0x7f0000000280)={'wpan4\x00', 0x0}) (async) r8 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) ioctl$sock_SIOCGIFINDEX_802154(r8, 0x8933, &(0x7f0000000740)={'wpan0\x00', 0x0}) (async) r10 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async, rerun: 32) r11 = syz_genetlink_get_family_id$nl802154(&(0x7f00000013c0), 0xffffffffffffffff) (rerun: 32) sendmsg$NL802154_CMD_GET_WPAN_PHY(r10, &(0x7f0000000cc0)={0x0, 0x0, &(0x7f0000000c80)={&(0x7f0000000c00)={0x30, r11, 0x421, 0x0, 0x0, {}, [@NL802154_ATTR_WPAN_PHY={0x8, 0x1, 0x2}, @NL802154_ATTR_IFINDEX={0x8, 0x3, r9}, @NL802154_ATTR_WPAN_DEV={0xc, 0x6, 0x100000001}]}, 0x30}}, 0x0) sendmsg$NL802154_CMD_GET_INTERFACE(r4, &(0x7f0000000340)={&(0x7f0000000240)={0x10, 0x0, 0x0, 0x40000}, 0xc, &(0x7f0000000300)={&(0x7f00000002c0)={0x38, r6, 0x4, 0x70bd2d, 0x25dfdbff, {}, [@NL802154_ATTR_IFINDEX={0x8, 0x3, r7}, @NL802154_ATTR_IFINDEX={0x8, 0x3, r2}, @NL802154_ATTR_IFINDEX={0x8, 0x3, r9}, @NL802154_ATTR_WPAN_DEV={0xc, 0x6, 0x300000003}]}, 0x38}, 0x1, 0x0, 0x0, 0x20000040}, 0x4c040) (async) r12 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x563040) ioctl$NBD_SET_SOCK(r12, 0xab00, 0xffffffffffffffff) 12:26:31 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r1) sendmsg$NBD_CMD_DISCONNECT(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000000)=ANY=[@ANYBLOB='l\x00\x00\x00', @ANYRES16=r2, @ANYBLOB="01002dbd7000fddbdf25020000000c00030001000100", @ANYRES32, @ANYBLOB="0800014036ece36e359549"], 0x6c}}, 0x0) [ 351.471611] nbd: must specify an index to disconnect 12:26:31 executing program 0: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x40b01) ioctl$NBD_SET_SOCK(r0, 0xab00, 0xffffffffffffffff) r1 = socket$netlink(0x10, 0x3, 0x12) sendmsg$TIPC_CMD_SET_NETID(r1, &(0x7f0000000d80)={0x0, 0x0, &(0x7f0000000d40)={&(0x7f0000000d00)={0x24, 0x0, 0x0, 0x0, 0x0, {{}, {}, {0x8}}}, 0x24}}, 0x0) r2 = syz_genetlink_get_family_id$ipvs(&(0x7f0000000080), 0xffffffffffffffff) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) ioctl$sock_SIOCGIFINDEX_802154(0xffffffffffffffff, 0x8933, &(0x7f0000000200)={'wpan0\x00', 0x0}) ioctl$sock_SIOCGIFINDEX_802154(0xffffffffffffffff, 0x8933, &(0x7f0000000240)={'wpan0\x00', 0x0}) ioctl$sock_SIOCGIFINDEX_802154(0xffffffffffffffff, 0x8933, &(0x7f0000000280)={'wpan4\x00', 0x0}) sendmsg$NL802154_CMD_GET_SEC_DEVKEY(r3, &(0x7f0000000380)={&(0x7f00000001c0)={0x10, 0x0, 0x0, 0x200}, 0xc, &(0x7f0000000340)={&(0x7f00000002c0)={0x54, 0x0, 0x2, 0x70bd25, 0x25dfdbff, {}, [@NL802154_ATTR_IFINDEX={0x8}, @NL802154_ATTR_WPAN_DEV={0xc, 0x6, 0x2}, @NL802154_ATTR_IFINDEX={0x8, 0x3, r4}, @NL802154_ATTR_IFINDEX={0x8, 0x3, r5}, @NL802154_ATTR_IFINDEX={0x8}, @NL802154_ATTR_IFINDEX={0x8, 0x3, r6}, @NL802154_ATTR_WPAN_DEV={0xc, 0x6, 0x3}]}, 0x54}, 0x1, 0x0, 0x0, 0x80}, 0x810) sendmsg$IPVS_CMD_GET_DAEMON(r1, &(0x7f0000000180)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x400}, 0xc, &(0x7f0000000140)={&(0x7f00000000c0)={0x5c, r2, 0x200, 0x70bd25, 0x25dfdbfe, {}, [@IPVS_CMD_ATTR_SERVICE={0x40, 0x1, 0x0, 0x1, [@IPVS_SVC_ATTR_FLAGS={0xc, 0x7, {0x1, 0x14}}, @IPVS_SVC_ATTR_PROTOCOL={0x6, 0x2, 0x3f}, @IPVS_SVC_ATTR_PE_NAME={0x8}, @IPVS_SVC_ATTR_NETMASK={0x8, 0x9, 0x31}, @IPVS_SVC_ATTR_PORT={0x6, 0x4, 0x4e22}, @IPVS_SVC_ATTR_AF={0x6}, @IPVS_SVC_ATTR_TIMEOUT={0x8, 0x8, 0x7}]}, @IPVS_CMD_ATTR_TIMEOUT_TCP_FIN={0x8, 0x5, 0xffff729c}]}, 0x5c}, 0x1, 0x0, 0x0, 0x40000}, 0x4000) sendmsg$IPVS_CMD_GET_DEST(r1, &(0x7f0000000500)={&(0x7f00000003c0)={0x10, 0x0, 0x0, 0x20000}, 0xc, &(0x7f00000004c0)={&(0x7f0000000400)={0xa8, r2, 0x4, 0x70bd2b, 0x25dfdbfe, {}, [@IPVS_CMD_ATTR_TIMEOUT_TCP_FIN={0x8}, @IPVS_CMD_ATTR_TIMEOUT_TCP={0x8, 0x4, 0x2}, @IPVS_CMD_ATTR_SERVICE={0x44, 0x1, 0x0, 0x1, [@IPVS_SVC_ATTR_SCHED_NAME={0x8, 0x6, 'wlc\x00'}, @IPVS_SVC_ATTR_AF={0x6, 0x1, 0xa}, @IPVS_SVC_ATTR_PROTOCOL={0x6, 0x2, 0x2c}, @IPVS_SVC_ATTR_PROTOCOL={0x6, 0x2, 0x5e}, @IPVS_SVC_ATTR_FLAGS={0xc, 0x7, {0x3, 0x17}}, @IPVS_SVC_ATTR_FWMARK={0x8, 0x5, 0x2}, @IPVS_SVC_ATTR_FLAGS={0xc, 0x7, {0x25}}]}, @IPVS_CMD_ATTR_SERVICE={0x40, 0x1, 0x0, 0x1, [@IPVS_SVC_ATTR_TIMEOUT={0x8, 0x8, 0x401}, @IPVS_SVC_ATTR_NETMASK={0x8, 0x9, 0x7572}, @IPVS_SVC_ATTR_SCHED_NAME={0x7, 0x6, 'fo\x00'}, @IPVS_SVC_ATTR_SCHED_NAME={0x9, 0x6, 'none\x00'}, @IPVS_SVC_ATTR_PROTOCOL={0x6, 0x2, 0x2c}, @IPVS_SVC_ATTR_AF={0x6, 0x1, 0xa}, @IPVS_SVC_ATTR_PE_NAME={0x8}]}]}, 0xa8}, 0x1, 0x0, 0x0, 0x40001}, 0x0) 12:26:31 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r1) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NL802154_CMD_SET_CCA_ED_LEVEL(r3, &(0x7f0000000b40)={&(0x7f0000000a80), 0xc, &(0x7f0000000b00)={&(0x7f0000000ac0)={0x14, 0x0, 0x1}, 0x14}}, 0x0) (async) r4 = syz_genetlink_get_family_id$nl802154(&(0x7f0000000080), r1) sendmsg$NL802154_CMD_SET_CHANNEL(r3, &(0x7f0000000280)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x80000000}, 0xc, &(0x7f0000000240)={&(0x7f00000000c0)={0x1c, r4, 0x8, 0x70bd2b, 0x25dfdbfd, {}, [@NL802154_ATTR_PAGE={0x5, 0x7, 0x1e}]}, 0x1c}, 0x1, 0x0, 0x0, 0x10000000}, 0x4000004) r5 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NL802154_CMD_SET_CCA_ED_LEVEL(r5, &(0x7f0000000b40)={&(0x7f0000000a80), 0xc, &(0x7f0000000b00)={&(0x7f0000000ac0)={0x14, 0x0, 0x1}, 0x14}}, 0x0) (async) r6 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NL802154_CMD_SET_CCA_ED_LEVEL(r6, &(0x7f0000000b40)={&(0x7f0000000a80), 0xc, &(0x7f0000000b00)={&(0x7f0000000ac0)={0x14, 0x0, 0x1}, 0x14}}, 0x0) (async) sendmsg$NBD_CMD_DISCONNECT(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000180)=ANY=[@ANYRES32=r5, @ANYRES16=r2, @ANYRES64=r3, @ANYRESDEC, @ANYRES64=r3, @ANYRES64=r6, @ANYBLOB="0ae98107367593d71f44b0ed6bb09adca202be242b29c3384aebc11133ed2664aa9c618bae03a76e9d80760a0aa91b4ca11bfc94bba3746cb90716b6c8ba66fcd01b11546e877fe4829017d6eb3c4f6754a9a347113464cec91c6a401d51824301da0e1f4832b621bafd9a14e839ce1122c49bd9814a9f473f93e1c94fdde036"], 0x6c}}, 0x4000) 12:26:31 executing program 5: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x40b01) ioctl$NBD_SET_SOCK(r0, 0xab00, 0xffffffffffffffff) r1 = socket$netlink(0x10, 0x3, 0x12) sendmsg$TIPC_CMD_SET_NETID(r1, &(0x7f0000000d80)={0x0, 0x0, &(0x7f0000000d40)={&(0x7f0000000d00)={0x24, 0x0, 0x0, 0x0, 0x0, {{}, {}, {0x8}}}, 0x24}}, 0x0) r2 = syz_genetlink_get_family_id$ipvs(&(0x7f0000000080), 0xffffffffffffffff) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) ioctl$sock_SIOCGIFINDEX_802154(0xffffffffffffffff, 0x8933, &(0x7f0000000200)={'wpan0\x00', 0x0}) ioctl$sock_SIOCGIFINDEX_802154(0xffffffffffffffff, 0x8933, &(0x7f0000000240)={'wpan0\x00', 0x0}) ioctl$sock_SIOCGIFINDEX_802154(0xffffffffffffffff, 0x8933, &(0x7f0000000280)={'wpan4\x00', 0x0}) sendmsg$NL802154_CMD_GET_SEC_DEVKEY(r3, &(0x7f0000000380)={&(0x7f00000001c0)={0x10, 0x0, 0x0, 0x200}, 0xc, &(0x7f0000000340)={&(0x7f00000002c0)={0x54, 0x0, 0x2, 0x70bd25, 0x25dfdbff, {}, [@NL802154_ATTR_IFINDEX={0x8}, @NL802154_ATTR_WPAN_DEV={0xc, 0x6, 0x2}, @NL802154_ATTR_IFINDEX={0x8, 0x3, r4}, @NL802154_ATTR_IFINDEX={0x8, 0x3, r5}, @NL802154_ATTR_IFINDEX={0x8}, @NL802154_ATTR_IFINDEX={0x8, 0x3, r6}, @NL802154_ATTR_WPAN_DEV={0xc, 0x6, 0x3}]}, 0x54}, 0x1, 0x0, 0x0, 0x80}, 0x810) sendmsg$IPVS_CMD_GET_DAEMON(r1, &(0x7f0000000180)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x400}, 0xc, &(0x7f0000000140)={&(0x7f00000000c0)={0x5c, r2, 0x200, 0x70bd25, 0x25dfdbfe, {}, [@IPVS_CMD_ATTR_SERVICE={0x40, 0x1, 0x0, 0x1, [@IPVS_SVC_ATTR_FLAGS={0xc, 0x7, {0x1, 0x14}}, @IPVS_SVC_ATTR_PROTOCOL={0x6, 0x2, 0x3f}, @IPVS_SVC_ATTR_PE_NAME={0x8}, @IPVS_SVC_ATTR_NETMASK={0x8, 0x9, 0x31}, @IPVS_SVC_ATTR_PORT={0x6, 0x4, 0x4e22}, @IPVS_SVC_ATTR_AF={0x6}, @IPVS_SVC_ATTR_TIMEOUT={0x8, 0x8, 0x7}]}, @IPVS_CMD_ATTR_TIMEOUT_TCP_FIN={0x8, 0x5, 0xffff729c}]}, 0x5c}, 0x1, 0x0, 0x0, 0x40000}, 0x4000) sendmsg$IPVS_CMD_GET_DEST(r1, &(0x7f0000000500)={&(0x7f00000003c0)={0x10, 0x0, 0x0, 0x20000}, 0xc, &(0x7f00000004c0)={&(0x7f0000000400)={0xa8, r2, 0x4, 0x70bd2b, 0x25dfdbfe, {}, [@IPVS_CMD_ATTR_TIMEOUT_TCP_FIN={0x8}, @IPVS_CMD_ATTR_TIMEOUT_TCP={0x8, 0x4, 0x2}, @IPVS_CMD_ATTR_SERVICE={0x44, 0x1, 0x0, 0x1, [@IPVS_SVC_ATTR_SCHED_NAME={0x8, 0x6, 'wlc\x00'}, @IPVS_SVC_ATTR_AF={0x6, 0x1, 0xa}, @IPVS_SVC_ATTR_PROTOCOL={0x6, 0x2, 0x2c}, @IPVS_SVC_ATTR_PROTOCOL={0x6, 0x2, 0x5e}, @IPVS_SVC_ATTR_FLAGS={0xc, 0x7, {0x3, 0x17}}, @IPVS_SVC_ATTR_FWMARK={0x8, 0x5, 0x2}, @IPVS_SVC_ATTR_FLAGS={0xc, 0x7, {0x25}}]}, @IPVS_CMD_ATTR_SERVICE={0x40, 0x1, 0x0, 0x1, [@IPVS_SVC_ATTR_TIMEOUT={0x8, 0x8, 0x401}, @IPVS_SVC_ATTR_NETMASK={0x8, 0x9, 0x7572}, @IPVS_SVC_ATTR_SCHED_NAME={0x7, 0x6, 'fo\x00'}, @IPVS_SVC_ATTR_SCHED_NAME={0x9, 0x6, 'none\x00'}, @IPVS_SVC_ATTR_PROTOCOL={0x6, 0x2, 0x2c}, @IPVS_SVC_ATTR_AF={0x6, 0x1, 0xa}, @IPVS_SVC_ATTR_PE_NAME={0x8}]}]}, 0xa8}, 0x1, 0x0, 0x0, 0x40001}, 0x0) 12:26:31 executing program 4: r0 = socket$unix(0x1, 0x2, 0x0) sendmsg$unix(r0, 0x0, 0x4000) 12:26:31 executing program 0: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x40b01) ioctl$NBD_SET_SOCK(r0, 0xab00, 0xffffffffffffffff) r1 = socket$netlink(0x10, 0x3, 0x12) sendmsg$TIPC_CMD_SET_NETID(r1, &(0x7f0000000d80)={0x0, 0x0, &(0x7f0000000d40)={&(0x7f0000000d00)={0x24, 0x0, 0x0, 0x0, 0x0, {{}, {}, {0x8}}}, 0x24}}, 0x0) r2 = syz_genetlink_get_family_id$ipvs(&(0x7f0000000080), 0xffffffffffffffff) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) ioctl$sock_SIOCGIFINDEX_802154(0xffffffffffffffff, 0x8933, &(0x7f0000000200)={'wpan0\x00', 0x0}) ioctl$sock_SIOCGIFINDEX_802154(0xffffffffffffffff, 0x8933, &(0x7f0000000240)={'wpan0\x00', 0x0}) ioctl$sock_SIOCGIFINDEX_802154(0xffffffffffffffff, 0x8933, &(0x7f0000000280)={'wpan4\x00', 0x0}) sendmsg$NL802154_CMD_GET_SEC_DEVKEY(r3, &(0x7f0000000380)={&(0x7f00000001c0)={0x10, 0x0, 0x0, 0x200}, 0xc, &(0x7f0000000340)={&(0x7f00000002c0)={0x54, 0x0, 0x2, 0x70bd25, 0x25dfdbff, {}, [@NL802154_ATTR_IFINDEX={0x8}, @NL802154_ATTR_WPAN_DEV={0xc, 0x6, 0x2}, @NL802154_ATTR_IFINDEX={0x8, 0x3, r4}, @NL802154_ATTR_IFINDEX={0x8, 0x3, r5}, @NL802154_ATTR_IFINDEX={0x8}, @NL802154_ATTR_IFINDEX={0x8, 0x3, r6}, @NL802154_ATTR_WPAN_DEV={0xc, 0x6, 0x3}]}, 0x54}, 0x1, 0x0, 0x0, 0x80}, 0x810) sendmsg$IPVS_CMD_GET_DAEMON(r1, &(0x7f0000000180)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x400}, 0xc, &(0x7f0000000140)={&(0x7f00000000c0)={0x5c, r2, 0x200, 0x70bd25, 0x25dfdbfe, {}, [@IPVS_CMD_ATTR_SERVICE={0x40, 0x1, 0x0, 0x1, [@IPVS_SVC_ATTR_FLAGS={0xc, 0x7, {0x1, 0x14}}, @IPVS_SVC_ATTR_PROTOCOL={0x6, 0x2, 0x3f}, @IPVS_SVC_ATTR_PE_NAME={0x8}, @IPVS_SVC_ATTR_NETMASK={0x8, 0x9, 0x31}, @IPVS_SVC_ATTR_PORT={0x6, 0x4, 0x4e22}, @IPVS_SVC_ATTR_AF={0x6}, @IPVS_SVC_ATTR_TIMEOUT={0x8, 0x8, 0x7}]}, @IPVS_CMD_ATTR_TIMEOUT_TCP_FIN={0x8, 0x5, 0xffff729c}]}, 0x5c}, 0x1, 0x0, 0x0, 0x40000}, 0x4000) sendmsg$IPVS_CMD_GET_DEST(r1, &(0x7f0000000500)={&(0x7f00000003c0)={0x10, 0x0, 0x0, 0x20000}, 0xc, &(0x7f00000004c0)={&(0x7f0000000400)={0xa8, r2, 0x4, 0x70bd2b, 0x25dfdbfe, {}, [@IPVS_CMD_ATTR_TIMEOUT_TCP_FIN={0x8}, @IPVS_CMD_ATTR_TIMEOUT_TCP={0x8, 0x4, 0x2}, @IPVS_CMD_ATTR_SERVICE={0x44, 0x1, 0x0, 0x1, [@IPVS_SVC_ATTR_SCHED_NAME={0x8, 0x6, 'wlc\x00'}, @IPVS_SVC_ATTR_AF={0x6, 0x1, 0xa}, @IPVS_SVC_ATTR_PROTOCOL={0x6, 0x2, 0x2c}, @IPVS_SVC_ATTR_PROTOCOL={0x6, 0x2, 0x5e}, @IPVS_SVC_ATTR_FLAGS={0xc, 0x7, {0x3, 0x17}}, @IPVS_SVC_ATTR_FWMARK={0x8, 0x5, 0x2}, @IPVS_SVC_ATTR_FLAGS={0xc, 0x7, {0x25}}]}, @IPVS_CMD_ATTR_SERVICE={0x40, 0x1, 0x0, 0x1, [@IPVS_SVC_ATTR_TIMEOUT={0x8, 0x8, 0x401}, @IPVS_SVC_ATTR_NETMASK={0x8, 0x9, 0x7572}, @IPVS_SVC_ATTR_SCHED_NAME={0x7, 0x6, 'fo\x00'}, @IPVS_SVC_ATTR_SCHED_NAME={0x9, 0x6, 'none\x00'}, @IPVS_SVC_ATTR_PROTOCOL={0x6, 0x2, 0x2c}, @IPVS_SVC_ATTR_AF={0x6, 0x1, 0xa}, @IPVS_SVC_ATTR_PE_NAME={0x8}]}]}, 0xa8}, 0x1, 0x0, 0x0, 0x40001}, 0x0) 12:26:31 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r1) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NL802154_CMD_SET_CCA_ED_LEVEL(r3, &(0x7f0000000b40)={&(0x7f0000000a80), 0xc, &(0x7f0000000b00)={&(0x7f0000000ac0)={0x14, 0x0, 0x1}, 0x14}}, 0x0) sendmsg$NBD_CMD_DISCONNECT(r0, &(0x7f0000000000)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000080)=ANY=[@ANYRES16=r0, @ANYRES16=r2, @ANYBLOB="01002dbd7000fddbdf25020000000c00030001000100", @ANYRES32, @ANYRES64=r2, @ANYRES32, @ANYBLOB], 0x6c}}, 0x0) 12:26:31 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r1) sendmsg$NBD_CMD_DISCONNECT(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000000)=ANY=[@ANYBLOB='l\x00\x00\x00', @ANYRES16=r2, @ANYBLOB="01002dbd7000fddbdf25020000000c00030001000100", @ANYRES32, @ANYBLOB], 0x6c}}, 0x0) 12:26:31 executing program 5: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x40b01) ioctl$NBD_SET_SOCK(r0, 0xab00, 0xffffffffffffffff) r1 = socket$netlink(0x10, 0x3, 0x12) sendmsg$TIPC_CMD_SET_NETID(r1, &(0x7f0000000d80)={0x0, 0x0, &(0x7f0000000d40)={&(0x7f0000000d00)={0x24, 0x0, 0x0, 0x0, 0x0, {{}, {}, {0x8}}}, 0x24}}, 0x0) r2 = syz_genetlink_get_family_id$ipvs(&(0x7f0000000080), 0xffffffffffffffff) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) ioctl$sock_SIOCGIFINDEX_802154(0xffffffffffffffff, 0x8933, &(0x7f0000000200)={'wpan0\x00', 0x0}) ioctl$sock_SIOCGIFINDEX_802154(0xffffffffffffffff, 0x8933, &(0x7f0000000240)={'wpan0\x00', 0x0}) ioctl$sock_SIOCGIFINDEX_802154(0xffffffffffffffff, 0x8933, &(0x7f0000000280)={'wpan4\x00', 0x0}) sendmsg$NL802154_CMD_GET_SEC_DEVKEY(r3, &(0x7f0000000380)={&(0x7f00000001c0)={0x10, 0x0, 0x0, 0x200}, 0xc, &(0x7f0000000340)={&(0x7f00000002c0)={0x54, 0x0, 0x2, 0x70bd25, 0x25dfdbff, {}, [@NL802154_ATTR_IFINDEX={0x8}, @NL802154_ATTR_WPAN_DEV={0xc, 0x6, 0x2}, @NL802154_ATTR_IFINDEX={0x8, 0x3, r4}, @NL802154_ATTR_IFINDEX={0x8, 0x3, r5}, @NL802154_ATTR_IFINDEX={0x8}, @NL802154_ATTR_IFINDEX={0x8, 0x3, r6}, @NL802154_ATTR_WPAN_DEV={0xc, 0x6, 0x3}]}, 0x54}, 0x1, 0x0, 0x0, 0x80}, 0x810) sendmsg$IPVS_CMD_GET_DAEMON(r1, &(0x7f0000000180)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x400}, 0xc, &(0x7f0000000140)={&(0x7f00000000c0)={0x5c, r2, 0x200, 0x70bd25, 0x25dfdbfe, {}, [@IPVS_CMD_ATTR_SERVICE={0x40, 0x1, 0x0, 0x1, [@IPVS_SVC_ATTR_FLAGS={0xc, 0x7, {0x1, 0x14}}, @IPVS_SVC_ATTR_PROTOCOL={0x6, 0x2, 0x3f}, @IPVS_SVC_ATTR_PE_NAME={0x8}, @IPVS_SVC_ATTR_NETMASK={0x8, 0x9, 0x31}, @IPVS_SVC_ATTR_PORT={0x6, 0x4, 0x4e22}, @IPVS_SVC_ATTR_AF={0x6}, @IPVS_SVC_ATTR_TIMEOUT={0x8, 0x8, 0x7}]}, @IPVS_CMD_ATTR_TIMEOUT_TCP_FIN={0x8, 0x5, 0xffff729c}]}, 0x5c}, 0x1, 0x0, 0x0, 0x40000}, 0x4000) sendmsg$IPVS_CMD_GET_DEST(r1, &(0x7f0000000500)={&(0x7f00000003c0)={0x10, 0x0, 0x0, 0x20000}, 0xc, &(0x7f00000004c0)={&(0x7f0000000400)={0xa8, r2, 0x4, 0x70bd2b, 0x25dfdbfe, {}, [@IPVS_CMD_ATTR_TIMEOUT_TCP_FIN={0x8}, @IPVS_CMD_ATTR_TIMEOUT_TCP={0x8, 0x4, 0x2}, @IPVS_CMD_ATTR_SERVICE={0x44, 0x1, 0x0, 0x1, [@IPVS_SVC_ATTR_SCHED_NAME={0x8, 0x6, 'wlc\x00'}, @IPVS_SVC_ATTR_AF={0x6, 0x1, 0xa}, @IPVS_SVC_ATTR_PROTOCOL={0x6, 0x2, 0x2c}, @IPVS_SVC_ATTR_PROTOCOL={0x6, 0x2, 0x5e}, @IPVS_SVC_ATTR_FLAGS={0xc, 0x7, {0x3, 0x17}}, @IPVS_SVC_ATTR_FWMARK={0x8, 0x5, 0x2}, @IPVS_SVC_ATTR_FLAGS={0xc, 0x7, {0x25}}]}, @IPVS_CMD_ATTR_SERVICE={0x40, 0x1, 0x0, 0x1, [@IPVS_SVC_ATTR_TIMEOUT={0x8, 0x8, 0x401}, @IPVS_SVC_ATTR_NETMASK={0x8, 0x9, 0x7572}, @IPVS_SVC_ATTR_SCHED_NAME={0x7, 0x6, 'fo\x00'}, @IPVS_SVC_ATTR_SCHED_NAME={0x9, 0x6, 'none\x00'}, @IPVS_SVC_ATTR_PROTOCOL={0x6, 0x2, 0x2c}, @IPVS_SVC_ATTR_AF={0x6, 0x1, 0xa}, @IPVS_SVC_ATTR_PE_NAME={0x8}]}]}, 0xa8}, 0x1, 0x0, 0x0, 0x40001}, 0x0) [ 351.570269] nbd: couldn't find device at index 1860430902 12:26:31 executing program 4: r0 = socket$unix(0x1, 0x2, 0x0) sendmsg$unix(r0, 0x0, 0x4000) 12:26:31 executing program 0: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x40b01) ioctl$NBD_SET_SOCK(r0, 0xab00, 0xffffffffffffffff) r1 = socket$netlink(0x10, 0x3, 0x12) sendmsg$TIPC_CMD_SET_NETID(r1, &(0x7f0000000d80)={0x0, 0x0, &(0x7f0000000d40)={&(0x7f0000000d00)={0x24, 0x0, 0x0, 0x0, 0x0, {{}, {}, {0x8}}}, 0x24}}, 0x0) r2 = syz_genetlink_get_family_id$ipvs(&(0x7f0000000080), 0xffffffffffffffff) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) ioctl$sock_SIOCGIFINDEX_802154(0xffffffffffffffff, 0x8933, &(0x7f0000000200)={'wpan0\x00', 0x0}) ioctl$sock_SIOCGIFINDEX_802154(0xffffffffffffffff, 0x8933, &(0x7f0000000240)={'wpan0\x00', 0x0}) ioctl$sock_SIOCGIFINDEX_802154(0xffffffffffffffff, 0x8933, &(0x7f0000000280)={'wpan4\x00', 0x0}) sendmsg$NL802154_CMD_GET_SEC_DEVKEY(r3, &(0x7f0000000380)={&(0x7f00000001c0)={0x10, 0x0, 0x0, 0x200}, 0xc, &(0x7f0000000340)={&(0x7f00000002c0)={0x54, 0x0, 0x2, 0x70bd25, 0x25dfdbff, {}, [@NL802154_ATTR_IFINDEX={0x8}, @NL802154_ATTR_WPAN_DEV={0xc, 0x6, 0x2}, @NL802154_ATTR_IFINDEX={0x8, 0x3, r4}, @NL802154_ATTR_IFINDEX={0x8, 0x3, r5}, @NL802154_ATTR_IFINDEX={0x8}, @NL802154_ATTR_IFINDEX={0x8, 0x3, r6}, @NL802154_ATTR_WPAN_DEV={0xc, 0x6, 0x3}]}, 0x54}, 0x1, 0x0, 0x0, 0x80}, 0x810) sendmsg$IPVS_CMD_GET_DAEMON(r1, &(0x7f0000000180)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x400}, 0xc, &(0x7f0000000140)={&(0x7f00000000c0)={0x5c, r2, 0x200, 0x70bd25, 0x25dfdbfe, {}, [@IPVS_CMD_ATTR_SERVICE={0x40, 0x1, 0x0, 0x1, [@IPVS_SVC_ATTR_FLAGS={0xc, 0x7, {0x1, 0x14}}, @IPVS_SVC_ATTR_PROTOCOL={0x6, 0x2, 0x3f}, @IPVS_SVC_ATTR_PE_NAME={0x8}, @IPVS_SVC_ATTR_NETMASK={0x8, 0x9, 0x31}, @IPVS_SVC_ATTR_PORT={0x6, 0x4, 0x4e22}, @IPVS_SVC_ATTR_AF={0x6}, @IPVS_SVC_ATTR_TIMEOUT={0x8, 0x8, 0x7}]}, @IPVS_CMD_ATTR_TIMEOUT_TCP_FIN={0x8, 0x5, 0xffff729c}]}, 0x5c}, 0x1, 0x0, 0x0, 0x40000}, 0x4000) sendmsg$IPVS_CMD_GET_DEST(r1, &(0x7f0000000500)={&(0x7f00000003c0)={0x10, 0x0, 0x0, 0x20000}, 0xc, &(0x7f00000004c0)={&(0x7f0000000400)={0xa8, r2, 0x4, 0x70bd2b, 0x25dfdbfe, {}, [@IPVS_CMD_ATTR_TIMEOUT_TCP_FIN={0x8}, @IPVS_CMD_ATTR_TIMEOUT_TCP={0x8, 0x4, 0x2}, @IPVS_CMD_ATTR_SERVICE={0x44, 0x1, 0x0, 0x1, [@IPVS_SVC_ATTR_SCHED_NAME={0x8, 0x6, 'wlc\x00'}, @IPVS_SVC_ATTR_AF={0x6, 0x1, 0xa}, @IPVS_SVC_ATTR_PROTOCOL={0x6, 0x2, 0x2c}, @IPVS_SVC_ATTR_PROTOCOL={0x6, 0x2, 0x5e}, @IPVS_SVC_ATTR_FLAGS={0xc, 0x7, {0x3, 0x17}}, @IPVS_SVC_ATTR_FWMARK={0x8, 0x5, 0x2}, @IPVS_SVC_ATTR_FLAGS={0xc, 0x7, {0x25}}]}, @IPVS_CMD_ATTR_SERVICE={0x40, 0x1, 0x0, 0x1, [@IPVS_SVC_ATTR_TIMEOUT={0x8, 0x8, 0x401}, @IPVS_SVC_ATTR_NETMASK={0x8, 0x9, 0x7572}, @IPVS_SVC_ATTR_SCHED_NAME={0x7, 0x6, 'fo\x00'}, @IPVS_SVC_ATTR_SCHED_NAME={0x9, 0x6, 'none\x00'}, @IPVS_SVC_ATTR_PROTOCOL={0x6, 0x2, 0x2c}, @IPVS_SVC_ATTR_AF={0x6, 0x1, 0xa}, @IPVS_SVC_ATTR_PE_NAME={0x8}]}]}, 0xa8}, 0x1, 0x0, 0x0, 0x40001}, 0x0) [ 351.695636] nbd: must specify an index to disconnect 12:26:31 executing program 3: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) r1 = openat$null(0xffffffffffffff9c, 0x0, 0x0, 0x0) mmap$perf(&(0x7f0000ffe000/0x2000)=nil, 0x2000, 0x0, 0x10, r1, 0x0) r2 = openat$null(0xffffffffffffff9c, 0x0, 0x0, 0x0) mmap$perf(&(0x7f0000ffe000/0x2000)=nil, 0x2000, 0x0, 0x10, r2, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, r2) 12:26:31 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r1) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NL802154_CMD_SET_CCA_ED_LEVEL(r3, &(0x7f0000000b40)={&(0x7f0000000a80), 0xc, &(0x7f0000000b00)={&(0x7f0000000ac0)={0x14, 0x0, 0x1}, 0x14}}, 0x0) sendmsg$NBD_CMD_DISCONNECT(r0, &(0x7f0000000000)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000080)=ANY=[@ANYRES16=r0, @ANYRES16=r2, @ANYBLOB="01002dbd7000fddbdf25020000000c00030001000100", @ANYRES32, @ANYRES64=r2, @ANYRES32, @ANYBLOB], 0x6c}}, 0x0) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r1) (async) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) sendmsg$NL802154_CMD_SET_CCA_ED_LEVEL(r3, &(0x7f0000000b40)={&(0x7f0000000a80), 0xc, &(0x7f0000000b00)={&(0x7f0000000ac0)={0x14, 0x0, 0x1}, 0x14}}, 0x0) (async) sendmsg$NBD_CMD_DISCONNECT(r0, &(0x7f0000000000)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000080)=ANY=[@ANYRES16=r0, @ANYRES16=r2, @ANYBLOB="01002dbd7000fddbdf25020000000c00030001000100", @ANYRES32, @ANYRES64=r2, @ANYRES32, @ANYBLOB], 0x6c}}, 0x0) (async) 12:26:31 executing program 5: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x40b01) ioctl$NBD_SET_SOCK(r0, 0xab00, 0xffffffffffffffff) r1 = socket$netlink(0x10, 0x3, 0x12) sendmsg$TIPC_CMD_SET_NETID(r1, &(0x7f0000000d80)={0x0, 0x0, &(0x7f0000000d40)={&(0x7f0000000d00)={0x24, 0x0, 0x0, 0x0, 0x0, {{}, {}, {0x8}}}, 0x24}}, 0x0) r2 = syz_genetlink_get_family_id$ipvs(&(0x7f0000000080), 0xffffffffffffffff) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) ioctl$sock_SIOCGIFINDEX_802154(0xffffffffffffffff, 0x8933, &(0x7f0000000200)={'wpan0\x00', 0x0}) ioctl$sock_SIOCGIFINDEX_802154(0xffffffffffffffff, 0x8933, &(0x7f0000000240)={'wpan0\x00', 0x0}) ioctl$sock_SIOCGIFINDEX_802154(0xffffffffffffffff, 0x8933, &(0x7f0000000280)={'wpan4\x00', 0x0}) sendmsg$NL802154_CMD_GET_SEC_DEVKEY(r3, &(0x7f0000000380)={&(0x7f00000001c0)={0x10, 0x0, 0x0, 0x200}, 0xc, &(0x7f0000000340)={&(0x7f00000002c0)={0x54, 0x0, 0x2, 0x70bd25, 0x25dfdbff, {}, [@NL802154_ATTR_IFINDEX={0x8}, @NL802154_ATTR_WPAN_DEV={0xc, 0x6, 0x2}, @NL802154_ATTR_IFINDEX={0x8, 0x3, r4}, @NL802154_ATTR_IFINDEX={0x8, 0x3, r5}, @NL802154_ATTR_IFINDEX={0x8}, @NL802154_ATTR_IFINDEX={0x8, 0x3, r6}, @NL802154_ATTR_WPAN_DEV={0xc, 0x6, 0x3}]}, 0x54}, 0x1, 0x0, 0x0, 0x80}, 0x810) sendmsg$IPVS_CMD_GET_DAEMON(r1, &(0x7f0000000180)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x400}, 0xc, &(0x7f0000000140)={&(0x7f00000000c0)={0x5c, r2, 0x200, 0x70bd25, 0x25dfdbfe, {}, [@IPVS_CMD_ATTR_SERVICE={0x40, 0x1, 0x0, 0x1, [@IPVS_SVC_ATTR_FLAGS={0xc, 0x7, {0x1, 0x14}}, @IPVS_SVC_ATTR_PROTOCOL={0x6, 0x2, 0x3f}, @IPVS_SVC_ATTR_PE_NAME={0x8}, @IPVS_SVC_ATTR_NETMASK={0x8, 0x9, 0x31}, @IPVS_SVC_ATTR_PORT={0x6, 0x4, 0x4e22}, @IPVS_SVC_ATTR_AF={0x6}, @IPVS_SVC_ATTR_TIMEOUT={0x8, 0x8, 0x7}]}, @IPVS_CMD_ATTR_TIMEOUT_TCP_FIN={0x8, 0x5, 0xffff729c}]}, 0x5c}, 0x1, 0x0, 0x0, 0x40000}, 0x4000) sendmsg$IPVS_CMD_GET_DEST(r1, &(0x7f0000000500)={&(0x7f00000003c0)={0x10, 0x0, 0x0, 0x20000}, 0xc, &(0x7f00000004c0)={&(0x7f0000000400)={0xa8, r2, 0x4, 0x70bd2b, 0x25dfdbfe, {}, [@IPVS_CMD_ATTR_TIMEOUT_TCP_FIN={0x8}, @IPVS_CMD_ATTR_TIMEOUT_TCP={0x8, 0x4, 0x2}, @IPVS_CMD_ATTR_SERVICE={0x44, 0x1, 0x0, 0x1, [@IPVS_SVC_ATTR_SCHED_NAME={0x8, 0x6, 'wlc\x00'}, @IPVS_SVC_ATTR_AF={0x6, 0x1, 0xa}, @IPVS_SVC_ATTR_PROTOCOL={0x6, 0x2, 0x2c}, @IPVS_SVC_ATTR_PROTOCOL={0x6, 0x2, 0x5e}, @IPVS_SVC_ATTR_FLAGS={0xc, 0x7, {0x3, 0x17}}, @IPVS_SVC_ATTR_FWMARK={0x8, 0x5, 0x2}, @IPVS_SVC_ATTR_FLAGS={0xc, 0x7, {0x25}}]}, @IPVS_CMD_ATTR_SERVICE={0x40, 0x1, 0x0, 0x1, [@IPVS_SVC_ATTR_TIMEOUT={0x8, 0x8, 0x401}, @IPVS_SVC_ATTR_NETMASK={0x8, 0x9, 0x7572}, @IPVS_SVC_ATTR_SCHED_NAME={0x7, 0x6, 'fo\x00'}, @IPVS_SVC_ATTR_SCHED_NAME={0x9, 0x6, 'none\x00'}, @IPVS_SVC_ATTR_PROTOCOL={0x6, 0x2, 0x2c}, @IPVS_SVC_ATTR_AF={0x6, 0x1, 0xa}, @IPVS_SVC_ATTR_PE_NAME={0x8}]}]}, 0xa8}, 0x1, 0x0, 0x0, 0x40001}, 0x0) 12:26:31 executing program 4: r0 = socket$unix(0x1, 0x2, 0x0) sendmsg$unix(r0, &(0x7f00000003c0)={0x0, 0x0, 0x0}, 0x0) 12:26:31 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r1) sendmsg$NBD_CMD_DISCONNECT(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000000)=ANY=[@ANYBLOB='l\x00\x00\x00', @ANYRES16=r2, @ANYBLOB="01002dbd7000fddbdf25020000000c00030001000100", @ANYRES32, @ANYBLOB], 0x6c}}, 0x0) 12:26:31 executing program 0: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x40b01) ioctl$NBD_SET_SOCK(r0, 0xab00, 0xffffffffffffffff) r1 = socket$netlink(0x10, 0x3, 0x12) sendmsg$TIPC_CMD_SET_NETID(r1, &(0x7f0000000d80)={0x0, 0x0, &(0x7f0000000d40)={&(0x7f0000000d00)={0x24, 0x0, 0x0, 0x0, 0x0, {{}, {}, {0x8}}}, 0x24}}, 0x0) r2 = syz_genetlink_get_family_id$ipvs(&(0x7f0000000080), 0xffffffffffffffff) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) ioctl$sock_SIOCGIFINDEX_802154(0xffffffffffffffff, 0x8933, &(0x7f0000000200)={'wpan0\x00', 0x0}) ioctl$sock_SIOCGIFINDEX_802154(0xffffffffffffffff, 0x8933, &(0x7f0000000240)={'wpan0\x00', 0x0}) ioctl$sock_SIOCGIFINDEX_802154(0xffffffffffffffff, 0x8933, &(0x7f0000000280)={'wpan4\x00', 0x0}) sendmsg$NL802154_CMD_GET_SEC_DEVKEY(r3, &(0x7f0000000380)={&(0x7f00000001c0)={0x10, 0x0, 0x0, 0x200}, 0xc, &(0x7f0000000340)={&(0x7f00000002c0)={0x54, 0x0, 0x2, 0x70bd25, 0x25dfdbff, {}, [@NL802154_ATTR_IFINDEX={0x8}, @NL802154_ATTR_WPAN_DEV={0xc, 0x6, 0x2}, @NL802154_ATTR_IFINDEX={0x8, 0x3, r4}, @NL802154_ATTR_IFINDEX={0x8, 0x3, r5}, @NL802154_ATTR_IFINDEX={0x8}, @NL802154_ATTR_IFINDEX={0x8, 0x3, r6}, @NL802154_ATTR_WPAN_DEV={0xc, 0x6, 0x3}]}, 0x54}, 0x1, 0x0, 0x0, 0x80}, 0x810) sendmsg$IPVS_CMD_GET_DAEMON(r1, &(0x7f0000000180)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x400}, 0xc, &(0x7f0000000140)={&(0x7f00000000c0)={0x5c, r2, 0x200, 0x70bd25, 0x25dfdbfe, {}, [@IPVS_CMD_ATTR_SERVICE={0x40, 0x1, 0x0, 0x1, [@IPVS_SVC_ATTR_FLAGS={0xc, 0x7, {0x1, 0x14}}, @IPVS_SVC_ATTR_PROTOCOL={0x6, 0x2, 0x3f}, @IPVS_SVC_ATTR_PE_NAME={0x8}, @IPVS_SVC_ATTR_NETMASK={0x8, 0x9, 0x31}, @IPVS_SVC_ATTR_PORT={0x6, 0x4, 0x4e22}, @IPVS_SVC_ATTR_AF={0x6}, @IPVS_SVC_ATTR_TIMEOUT={0x8, 0x8, 0x7}]}, @IPVS_CMD_ATTR_TIMEOUT_TCP_FIN={0x8, 0x5, 0xffff729c}]}, 0x5c}, 0x1, 0x0, 0x0, 0x40000}, 0x4000) 12:26:31 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r1) sendmsg$NBD_CMD_DISCONNECT(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={0x0, 0x6c}}, 0x0) 12:26:31 executing program 3: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) r1 = openat$null(0xffffffffffffff9c, 0x0, 0x0, 0x0) mmap$perf(&(0x7f0000ffe000/0x2000)=nil, 0x2000, 0x0, 0x10, r1, 0x0) r2 = openat$null(0xffffffffffffff9c, 0x0, 0x0, 0x0) mmap$perf(&(0x7f0000ffe000/0x2000)=nil, 0x2000, 0x0, 0x10, r2, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, r2) syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) (async) openat$null(0xffffffffffffff9c, 0x0, 0x0, 0x0) (async) mmap$perf(&(0x7f0000ffe000/0x2000)=nil, 0x2000, 0x0, 0x10, r1, 0x0) (async) openat$null(0xffffffffffffff9c, 0x0, 0x0, 0x0) (async) mmap$perf(&(0x7f0000ffe000/0x2000)=nil, 0x2000, 0x0, 0x10, r2, 0x0) (async) ioctl$NBD_SET_SOCK(r0, 0xab00, r2) (async) [ 351.786196] nbd: must specify an index to disconnect 12:26:31 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r1) sendmsg$NBD_CMD_DISCONNECT(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000000)=ANY=[@ANYBLOB='l\x00\x00\x00', @ANYRES16=r2, @ANYBLOB="01002dbd7000fddbdf25020000000c00030001000100", @ANYRES32, @ANYBLOB], 0x6c}}, 0x0) 12:26:31 executing program 5: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x40b01) ioctl$NBD_SET_SOCK(r0, 0xab00, 0xffffffffffffffff) r1 = socket$netlink(0x10, 0x3, 0x12) sendmsg$TIPC_CMD_SET_NETID(r1, &(0x7f0000000d80)={0x0, 0x0, &(0x7f0000000d40)={&(0x7f0000000d00)={0x24, 0x0, 0x0, 0x0, 0x0, {{}, {}, {0x8}}}, 0x24}}, 0x0) r2 = syz_genetlink_get_family_id$ipvs(&(0x7f0000000080), 0xffffffffffffffff) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) ioctl$sock_SIOCGIFINDEX_802154(0xffffffffffffffff, 0x8933, &(0x7f0000000200)={'wpan0\x00', 0x0}) ioctl$sock_SIOCGIFINDEX_802154(0xffffffffffffffff, 0x8933, &(0x7f0000000240)={'wpan0\x00', 0x0}) ioctl$sock_SIOCGIFINDEX_802154(0xffffffffffffffff, 0x8933, &(0x7f0000000280)={'wpan4\x00', 0x0}) sendmsg$NL802154_CMD_GET_SEC_DEVKEY(r3, &(0x7f0000000380)={&(0x7f00000001c0)={0x10, 0x0, 0x0, 0x200}, 0xc, &(0x7f0000000340)={&(0x7f00000002c0)={0x54, 0x0, 0x2, 0x70bd25, 0x25dfdbff, {}, [@NL802154_ATTR_IFINDEX={0x8}, @NL802154_ATTR_WPAN_DEV={0xc, 0x6, 0x2}, @NL802154_ATTR_IFINDEX={0x8, 0x3, r4}, @NL802154_ATTR_IFINDEX={0x8, 0x3, r5}, @NL802154_ATTR_IFINDEX={0x8}, @NL802154_ATTR_IFINDEX={0x8, 0x3, r6}, @NL802154_ATTR_WPAN_DEV={0xc, 0x6, 0x3}]}, 0x54}, 0x1, 0x0, 0x0, 0x80}, 0x810) sendmsg$IPVS_CMD_GET_DAEMON(r1, &(0x7f0000000180)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x400}, 0xc, &(0x7f0000000140)={&(0x7f00000000c0)={0x5c, r2, 0x200, 0x70bd25, 0x25dfdbfe, {}, [@IPVS_CMD_ATTR_SERVICE={0x40, 0x1, 0x0, 0x1, [@IPVS_SVC_ATTR_FLAGS={0xc, 0x7, {0x1, 0x14}}, @IPVS_SVC_ATTR_PROTOCOL={0x6, 0x2, 0x3f}, @IPVS_SVC_ATTR_PE_NAME={0x8}, @IPVS_SVC_ATTR_NETMASK={0x8, 0x9, 0x31}, @IPVS_SVC_ATTR_PORT={0x6, 0x4, 0x4e22}, @IPVS_SVC_ATTR_AF={0x6}, @IPVS_SVC_ATTR_TIMEOUT={0x8, 0x8, 0x7}]}, @IPVS_CMD_ATTR_TIMEOUT_TCP_FIN={0x8, 0x5, 0xffff729c}]}, 0x5c}, 0x1, 0x0, 0x0, 0x40000}, 0x4000) 12:26:31 executing program 0: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x40b01) ioctl$NBD_SET_SOCK(r0, 0xab00, 0xffffffffffffffff) r1 = socket$netlink(0x10, 0x3, 0x12) sendmsg$TIPC_CMD_SET_NETID(r1, &(0x7f0000000d80)={0x0, 0x0, &(0x7f0000000d40)={&(0x7f0000000d00)={0x24, 0x0, 0x0, 0x0, 0x0, {{}, {}, {0x8}}}, 0x24}}, 0x0) syz_genetlink_get_family_id$ipvs(&(0x7f0000000080), 0xffffffffffffffff) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) ioctl$sock_SIOCGIFINDEX_802154(0xffffffffffffffff, 0x8933, &(0x7f0000000200)={'wpan0\x00', 0x0}) ioctl$sock_SIOCGIFINDEX_802154(0xffffffffffffffff, 0x8933, &(0x7f0000000240)={'wpan0\x00', 0x0}) ioctl$sock_SIOCGIFINDEX_802154(0xffffffffffffffff, 0x8933, &(0x7f0000000280)={'wpan4\x00', 0x0}) sendmsg$NL802154_CMD_GET_SEC_DEVKEY(r2, &(0x7f0000000380)={&(0x7f00000001c0)={0x10, 0x0, 0x0, 0x200}, 0xc, &(0x7f0000000340)={&(0x7f00000002c0)={0x54, 0x0, 0x2, 0x70bd25, 0x25dfdbff, {}, [@NL802154_ATTR_IFINDEX={0x8}, @NL802154_ATTR_WPAN_DEV={0xc, 0x6, 0x2}, @NL802154_ATTR_IFINDEX={0x8, 0x3, r3}, @NL802154_ATTR_IFINDEX={0x8, 0x3, r4}, @NL802154_ATTR_IFINDEX={0x8}, @NL802154_ATTR_IFINDEX={0x8, 0x3, r5}, @NL802154_ATTR_WPAN_DEV={0xc, 0x6, 0x3}]}, 0x54}, 0x1, 0x0, 0x0, 0x80}, 0x810) 12:26:31 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r0) sendmsg$NBD_CMD_DISCONNECT(0xffffffffffffffff, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000000)=ANY=[@ANYBLOB='l\x00\x00\x00', @ANYRES16=r1, @ANYBLOB="01002dbd7000fddbdf25020000000c00030001000100", @ANYRES32, @ANYBLOB="0800014036ece36e359549877f56ad75273423ebf727", @ANYRES32=r0, @ANYBLOB], 0x6c}}, 0x0) 12:26:31 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r1) (async) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NL802154_CMD_SET_CCA_ED_LEVEL(r3, &(0x7f0000000b40)={&(0x7f0000000a80), 0xc, &(0x7f0000000b00)={&(0x7f0000000ac0)={0x14, 0x0, 0x1}, 0x14}}, 0x0) (async) sendmsg$NBD_CMD_DISCONNECT(r0, &(0x7f0000000000)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000080)=ANY=[@ANYRES16=r0, @ANYRES16=r2, @ANYBLOB="01002dbd7000fddbdf25020000000c00030001000100", @ANYRES32, @ANYRES64=r2, @ANYRES32, @ANYBLOB], 0x6c}}, 0x0) 12:26:31 executing program 0: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x40b01) ioctl$NBD_SET_SOCK(r0, 0xab00, 0xffffffffffffffff) r1 = socket$netlink(0x10, 0x3, 0x12) sendmsg$TIPC_CMD_SET_NETID(r1, &(0x7f0000000d80)={0x0, 0x0, &(0x7f0000000d40)={&(0x7f0000000d00)={0x24, 0x0, 0x0, 0x0, 0x0, {{}, {}, {0x8}}}, 0x24}}, 0x0) syz_genetlink_get_family_id$ipvs(&(0x7f0000000080), 0xffffffffffffffff) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) ioctl$sock_SIOCGIFINDEX_802154(0xffffffffffffffff, 0x8933, &(0x7f0000000200)={'wpan0\x00'}) ioctl$sock_SIOCGIFINDEX_802154(0xffffffffffffffff, 0x8933, &(0x7f0000000240)={'wpan0\x00'}) ioctl$sock_SIOCGIFINDEX_802154(0xffffffffffffffff, 0x8933, &(0x7f0000000280)={'wpan4\x00'}) [ 351.874164] nbd: must specify an index to disconnect 12:26:31 executing program 3: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) (async) r1 = openat$null(0xffffffffffffff9c, 0x0, 0x0, 0x0) mmap$perf(&(0x7f0000ffe000/0x2000)=nil, 0x2000, 0x0, 0x10, r1, 0x0) r2 = openat$null(0xffffffffffffff9c, 0x0, 0x0, 0x0) mmap$perf(&(0x7f0000ffe000/0x2000)=nil, 0x2000, 0x0, 0x10, r2, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, r2) 12:26:31 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_DISCONNECT(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000000)=ANY=[@ANYBLOB='l\x00\x00\x00', @ANYRES16, @ANYBLOB="01002dbd7000fddbdf25020000000c00030001000100", @ANYRES32, @ANYBLOB="0800014036ece36e359549877f56ad75273423ebf727", @ANYRES32=r1, @ANYBLOB], 0x6c}}, 0x0) 12:26:31 executing program 5: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x40b01) ioctl$NBD_SET_SOCK(r0, 0xab00, 0xffffffffffffffff) r1 = socket$netlink(0x10, 0x3, 0x12) sendmsg$TIPC_CMD_SET_NETID(r1, &(0x7f0000000d80)={0x0, 0x0, &(0x7f0000000d40)={&(0x7f0000000d00)={0x24, 0x0, 0x0, 0x0, 0x0, {{}, {}, {0x8}}}, 0x24}}, 0x0) syz_genetlink_get_family_id$ipvs(&(0x7f0000000080), 0xffffffffffffffff) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) ioctl$sock_SIOCGIFINDEX_802154(0xffffffffffffffff, 0x8933, &(0x7f0000000200)={'wpan0\x00', 0x0}) ioctl$sock_SIOCGIFINDEX_802154(0xffffffffffffffff, 0x8933, &(0x7f0000000240)={'wpan0\x00', 0x0}) ioctl$sock_SIOCGIFINDEX_802154(0xffffffffffffffff, 0x8933, &(0x7f0000000280)={'wpan4\x00', 0x0}) sendmsg$NL802154_CMD_GET_SEC_DEVKEY(r2, &(0x7f0000000380)={&(0x7f00000001c0)={0x10, 0x0, 0x0, 0x200}, 0xc, &(0x7f0000000340)={&(0x7f00000002c0)={0x54, 0x0, 0x2, 0x70bd25, 0x25dfdbff, {}, [@NL802154_ATTR_IFINDEX={0x8}, @NL802154_ATTR_WPAN_DEV={0xc, 0x6, 0x2}, @NL802154_ATTR_IFINDEX={0x8, 0x3, r3}, @NL802154_ATTR_IFINDEX={0x8, 0x3, r4}, @NL802154_ATTR_IFINDEX={0x8}, @NL802154_ATTR_IFINDEX={0x8, 0x3, r5}, @NL802154_ATTR_WPAN_DEV={0xc, 0x6, 0x3}]}, 0x54}, 0x1, 0x0, 0x0, 0x80}, 0x810) 12:26:31 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r1) sendmsg$NBD_CMD_DISCONNECT(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000000)=ANY=[@ANYBLOB='l\x00\x00\x00', @ANYRES16=r2, @ANYBLOB="01002dbd7000fddbdf25020000000c00030001000100", @ANYRES32, @ANYBLOB="0800014036ec"], 0x6c}}, 0x0) 12:26:31 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r1) sendmsg$NBD_CMD_DISCONNECT(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f00000004c0)=ANY=[@ANYBLOB='l\x00\x00\x00', @ANYRES16=r2, @ANYBLOB="01002dbd7000fddbdf25020000000c00030001000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB], 0x6c}}, 0x0) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r4 = syz_genetlink_get_family_id$nbd(&(0x7f0000000380), r0) sendmsg$NBD_CMD_RECONFIGURE(r1, &(0x7f0000000480)={&(0x7f0000000340)={0x10, 0x0, 0x0, 0x4000}, 0xc, &(0x7f0000000440)={&(0x7f00000003c0)={0x4c, r4, 0x8, 0x70bd28, 0x25dfdbff, {}, [@NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x4}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x5}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x100}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x3}]}, 0x4c}, 0x1, 0x0, 0x0, 0x80}, 0x4800) ioctl$sock_SIOCGIFINDEX_802154(r3, 0x8933, &(0x7f0000000300)={'wpan0\x00', 0x0}) r6 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r7 = syz_genetlink_get_family_id$nl802154(&(0x7f00000013c0), 0xffffffffffffffff) sendmsg$NL802154_CMD_GET_WPAN_PHY(r6, &(0x7f0000000cc0)={0x0, 0x0, &(0x7f0000000c80)={&(0x7f0000000c00)={0x30, r7, 0x421, 0x0, 0x0, {}, [@NL802154_ATTR_WPAN_PHY={0x8, 0x1, 0x2}, @NL802154_ATTR_IFINDEX={0x8, 0x3, r5}, @NL802154_ATTR_WPAN_DEV={0xc, 0x6, 0x100000001}]}, 0x30}}, 0x0) sendmsg$NL802154_CMD_GET_SEC_DEVKEY(0xffffffffffffffff, &(0x7f0000000180)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x80000000}, 0xc, &(0x7f00000000c0)={&(0x7f0000000080)={0x2c, 0x0, 0x300, 0x70bd25, 0x25dfdbff, {}, [@NL802154_ATTR_IFINDEX={0x8}, @NL802154_ATTR_IFINDEX={0x8}, @NL802154_ATTR_IFINDEX={0x8, 0x3, r5}]}, 0x2c}, 0x1, 0x0, 0x0, 0x50}, 0x4010) r8 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r9 = syz_genetlink_get_family_id$nl802154(&(0x7f0000000200), 0xffffffffffffffff) r10 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) ioctl$sock_SIOCGIFINDEX_802154(r10, 0x8933, &(0x7f0000000740)={'wpan0\x00', 0x0}) r12 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r13 = syz_genetlink_get_family_id$nl802154(&(0x7f00000013c0), 0xffffffffffffffff) sendmsg$NL802154_CMD_GET_WPAN_PHY(r12, &(0x7f0000000cc0)={0x0, 0x0, &(0x7f0000000c80)={&(0x7f0000000c00)={0x30, r13, 0x421, 0x0, 0x0, {}, [@NL802154_ATTR_WPAN_PHY={0x8, 0x1, 0x2}, @NL802154_ATTR_IFINDEX={0x8, 0x3, r11}, @NL802154_ATTR_WPAN_DEV={0xc, 0x6, 0x100000001}]}, 0x30}}, 0x0) sendmsg$NL802154_CMD_GET_SEC_LEVEL(r8, &(0x7f00000002c0)={&(0x7f00000001c0)={0x10, 0x0, 0x0, 0x400000}, 0xc, &(0x7f0000000280)={&(0x7f0000000240)={0x3c, r9, 0x800, 0x70bd26, 0x25dfdbfc, {}, [@NL802154_ATTR_IFINDEX={0x8, 0x3, r5}, @NL802154_ATTR_WPAN_DEV={0xc}, @NL802154_ATTR_WPAN_DEV={0xc, 0x6, 0x100000001}, @NL802154_ATTR_IFINDEX={0x8, 0x3, r11}]}, 0x3c}, 0x1, 0x0, 0x0, 0x81}, 0xc094) 12:26:31 executing program 0: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x40b01) ioctl$NBD_SET_SOCK(r0, 0xab00, 0xffffffffffffffff) r1 = socket$netlink(0x10, 0x3, 0x12) sendmsg$TIPC_CMD_SET_NETID(r1, &(0x7f0000000d80)={0x0, 0x0, &(0x7f0000000d40)={&(0x7f0000000d00)={0x24, 0x0, 0x0, 0x0, 0x0, {{}, {}, {0x8}}}, 0x24}}, 0x0) syz_genetlink_get_family_id$ipvs(&(0x7f0000000080), 0xffffffffffffffff) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) ioctl$sock_SIOCGIFINDEX_802154(0xffffffffffffffff, 0x8933, &(0x7f0000000200)={'wpan0\x00'}) ioctl$sock_SIOCGIFINDEX_802154(0xffffffffffffffff, 0x8933, &(0x7f0000000240)={'wpan0\x00'}) 12:26:31 executing program 5: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x40b01) ioctl$NBD_SET_SOCK(r0, 0xab00, 0xffffffffffffffff) r1 = socket$netlink(0x10, 0x3, 0x12) sendmsg$TIPC_CMD_SET_NETID(r1, &(0x7f0000000d80)={0x0, 0x0, &(0x7f0000000d40)={&(0x7f0000000d00)={0x24, 0x0, 0x0, 0x0, 0x0, {{}, {}, {0x8}}}, 0x24}}, 0x0) syz_genetlink_get_family_id$ipvs(&(0x7f0000000080), 0xffffffffffffffff) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) ioctl$sock_SIOCGIFINDEX_802154(0xffffffffffffffff, 0x8933, &(0x7f0000000200)={'wpan0\x00'}) ioctl$sock_SIOCGIFINDEX_802154(0xffffffffffffffff, 0x8933, &(0x7f0000000240)={'wpan0\x00'}) ioctl$sock_SIOCGIFINDEX_802154(0xffffffffffffffff, 0x8933, &(0x7f0000000280)={'wpan4\x00'}) 12:26:31 executing program 4: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x40b01) ioctl$NBD_SET_SOCK(r0, 0xab00, 0xffffffffffffffff) r1 = socket$netlink(0x10, 0x3, 0x12) sendmsg$TIPC_CMD_SET_NETID(r1, &(0x7f0000000d80)={0x0, 0x0, &(0x7f0000000d40)={&(0x7f0000000d00)={0x24, 0x0, 0x0, 0x0, 0x0, {{}, {}, {0x8}}}, 0x24}}, 0x0) syz_genetlink_get_family_id$ipvs(&(0x7f0000000080), 0xffffffffffffffff) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) ioctl$sock_SIOCGIFINDEX_802154(0xffffffffffffffff, 0x8933, &(0x7f0000000200)={'wpan0\x00'}) ioctl$sock_SIOCGIFINDEX_802154(0xffffffffffffffff, 0x8933, &(0x7f0000000240)={'wpan0\x00'}) ioctl$sock_SIOCGIFINDEX_802154(0xffffffffffffffff, 0x8933, &(0x7f0000000280)={'wpan4\x00'}) 12:26:31 executing program 3: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) r1 = socket$netlink(0x10, 0x3, 0x7) sendmsg$TIPC_CMD_SET_NETID(r1, &(0x7f0000000d80)={0x0, 0x0, &(0x7f0000000d40)={&(0x7f0000000d00)={0x24, 0x0, 0x0, 0x0, 0x0, {{}, {}, {0x8}}}, 0x24}}, 0x0) sendmsg$nl_route_sched(r1, &(0x7f0000000380)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x10000040}, 0xc, &(0x7f0000000340)={&(0x7f0000000080)=@newchain={0x298, 0x64, 0x200, 0x70bd27, 0x25dfdbfb, {0x0, 0x0, 0x0, 0x0, {0xf, 0x10}, {0xe, 0x9}, {0x9, 0xb}}, [@filter_kind_options=@f_rsvp={{0x9}, {0x258, 0x2, [@TCA_RSVP_ACT={0x254, 0x6, [@m_nat={0x148, 0x6, 0x0, 0x0, {{0x8}, {0x7c, 0x2, 0x0, 0x1, [@TCA_NAT_PARMS={0x28, 0x1, {{0x80000000, 0x90da, 0x20000000, 0x1, 0x5}, @initdev={0xac, 0x1e, 0x1, 0x0}, @local, 0xff000000, 0x1}}, @TCA_NAT_PARMS={0x28, 0x1, {{0x81, 0x1, 0x7, 0x3, 0x200}, @multicast1, @private=0xa010100}}, @TCA_NAT_PARMS={0x28, 0x1, {{0x4, 0xa616, 0x3, 0x1, 0x8}, @rand_addr=0x64010101, @broadcast, 0xffffff00}}]}, {0xa7, 0x6, "90fee15a5865093703658f334b49fbd181da9e14349b1cebe1d1eded7514ffaad6cea0802a41f8d0c61a8f1c7bca82d7f6359c77e8140afa873c34d6c56bac6301e38b8ae957c6f222ad6d7b22f2111ba0759a3f04bfbb350ac21bb1fc661d2a1a51dacad7ed4eab48ec83e04feb09c946f356336ac12a4d38a5c43031f97d307b1c8d6bce252e07c55e4726bbab811c784fca5501fec58ba574bfe2ffbead9ce09091"}, {0xc, 0x7, {0x0, 0x1}}, {0xc, 0x8, {0x2}}}}, @m_ife={0x108, 0x1e, 0x0, 0x0, {{0x8}, {0x2c, 0x2, 0x0, 0x1, [@TCA_IFE_PARMS={0x1c, 0x1, {{0x3, 0x6, 0x1, 0x101, 0xb49}, 0x1}}, @TCA_IFE_DMAC={0xa, 0x3, @remote}]}, {0xb7, 0x6, "d2642d20781fe8a04942693682bff6cef9285d6def898267bc8bcac91f35c053c876e2082d769a871a34fb457e7e4c590fcdfbccc875a3a9edb718d6b37436c8f3fb467c3adde90378b855d9301a70c2c7986299809717a7845cd1656343cbe6c35223cf840975b1e835feca83e62aeac52e6d697cf035b37d410c329d47b8a202df196aee28c75c673f9ddc78925503a9739f7b3e837f8fc0368602a51ff41d4c25b2d22f138e04ce6d843069e3bc70551657"}, {0xc, 0x7, {0x1}}, {0xc, 0x8, {0x1, 0x1}}}}]}]}}, @TCA_CHAIN={0x8, 0xb, 0x7}, @TCA_CHAIN={0x8, 0xb, 0x8001}]}, 0x298}, 0x1, 0x0, 0x0, 0x20000000}, 0x48844) ioctl$NBD_SET_SOCK(r0, 0xab00, 0xffffffffffffffff) 12:26:31 executing program 3: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) (async, rerun: 64) r1 = socket$netlink(0x10, 0x3, 0x7) (rerun: 64) sendmsg$TIPC_CMD_SET_NETID(r1, &(0x7f0000000d80)={0x0, 0x0, &(0x7f0000000d40)={&(0x7f0000000d00)={0x24, 0x0, 0x0, 0x0, 0x0, {{}, {}, {0x8}}}, 0x24}}, 0x0) (async, rerun: 64) sendmsg$nl_route_sched(r1, &(0x7f0000000380)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x10000040}, 0xc, &(0x7f0000000340)={&(0x7f0000000080)=@newchain={0x298, 0x64, 0x200, 0x70bd27, 0x25dfdbfb, {0x0, 0x0, 0x0, 0x0, {0xf, 0x10}, {0xe, 0x9}, {0x9, 0xb}}, [@filter_kind_options=@f_rsvp={{0x9}, {0x258, 0x2, [@TCA_RSVP_ACT={0x254, 0x6, [@m_nat={0x148, 0x6, 0x0, 0x0, {{0x8}, {0x7c, 0x2, 0x0, 0x1, [@TCA_NAT_PARMS={0x28, 0x1, {{0x80000000, 0x90da, 0x20000000, 0x1, 0x5}, @initdev={0xac, 0x1e, 0x1, 0x0}, @local, 0xff000000, 0x1}}, @TCA_NAT_PARMS={0x28, 0x1, {{0x81, 0x1, 0x7, 0x3, 0x200}, @multicast1, @private=0xa010100}}, @TCA_NAT_PARMS={0x28, 0x1, {{0x4, 0xa616, 0x3, 0x1, 0x8}, @rand_addr=0x64010101, @broadcast, 0xffffff00}}]}, {0xa7, 0x6, "90fee15a5865093703658f334b49fbd181da9e14349b1cebe1d1eded7514ffaad6cea0802a41f8d0c61a8f1c7bca82d7f6359c77e8140afa873c34d6c56bac6301e38b8ae957c6f222ad6d7b22f2111ba0759a3f04bfbb350ac21bb1fc661d2a1a51dacad7ed4eab48ec83e04feb09c946f356336ac12a4d38a5c43031f97d307b1c8d6bce252e07c55e4726bbab811c784fca5501fec58ba574bfe2ffbead9ce09091"}, {0xc, 0x7, {0x0, 0x1}}, {0xc, 0x8, {0x2}}}}, @m_ife={0x108, 0x1e, 0x0, 0x0, {{0x8}, {0x2c, 0x2, 0x0, 0x1, [@TCA_IFE_PARMS={0x1c, 0x1, {{0x3, 0x6, 0x1, 0x101, 0xb49}, 0x1}}, @TCA_IFE_DMAC={0xa, 0x3, @remote}]}, {0xb7, 0x6, "d2642d20781fe8a04942693682bff6cef9285d6def898267bc8bcac91f35c053c876e2082d769a871a34fb457e7e4c590fcdfbccc875a3a9edb718d6b37436c8f3fb467c3adde90378b855d9301a70c2c7986299809717a7845cd1656343cbe6c35223cf840975b1e835feca83e62aeac52e6d697cf035b37d410c329d47b8a202df196aee28c75c673f9ddc78925503a9739f7b3e837f8fc0368602a51ff41d4c25b2d22f138e04ce6d843069e3bc70551657"}, {0xc, 0x7, {0x1}}, {0xc, 0x8, {0x1, 0x1}}}}]}]}}, @TCA_CHAIN={0x8, 0xb, 0x7}, @TCA_CHAIN={0x8, 0xb, 0x8001}]}, 0x298}, 0x1, 0x0, 0x0, 0x20000000}, 0x48844) (async, rerun: 64) ioctl$NBD_SET_SOCK(r0, 0xab00, 0xffffffffffffffff) 12:26:31 executing program 0: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x40b01) ioctl$NBD_SET_SOCK(r0, 0xab00, 0xffffffffffffffff) r1 = socket$netlink(0x10, 0x3, 0x12) sendmsg$TIPC_CMD_SET_NETID(r1, &(0x7f0000000d80)={0x0, 0x0, &(0x7f0000000d40)={&(0x7f0000000d00)={0x24, 0x0, 0x0, 0x0, 0x0, {{}, {}, {0x8}}}, 0x24}}, 0x0) syz_genetlink_get_family_id$ipvs(&(0x7f0000000080), 0xffffffffffffffff) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) ioctl$sock_SIOCGIFINDEX_802154(0xffffffffffffffff, 0x8933, &(0x7f0000000200)={'wpan0\x00'}) 12:26:31 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r1) sendmsg$NBD_CMD_DISCONNECT(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000000)=ANY=[@ANYBLOB='l\x00\x00\x00', @ANYRES16=r2, @ANYBLOB="01002dbd7000fddbdf25020000000c00030001000100", @ANYRES32, @ANYBLOB="0800014036ec"], 0x6c}}, 0x0) [ 351.992774] nbd: couldn't find device at index 60470 [ 352.026358] nbd: couldn't find device at index -1 12:26:31 executing program 4: r0 = syz_open_dev$ndb(&(0x7f0000000080), 0x0, 0x0) r1 = socket$netlink(0x10, 0x3, 0x7) sendmsg$TIPC_CMD_SET_NETID(r1, &(0x7f0000000d80)={0x0, 0x0, &(0x7f0000000d40)={&(0x7f0000000d00)={0x24, 0x0, 0x0, 0x0, 0x0, {{}, {}, {0x8}}}, 0x24}}, 0x0) getsockname$netlink(r1, &(0x7f0000000000), &(0x7f00000000c0)=0xc) syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x141002) ioctl$NBD_SET_SOCK(r0, 0xab00, 0xffffffffffffffff) sendmsg$BATADV_CMD_GET_BLA_CLAIM(0xffffffffffffffff, &(0x7f00000001c0)={&(0x7f0000000100)={0x10, 0x0, 0x0, 0x400000}, 0xc, &(0x7f0000000180)={&(0x7f0000000140)={0x24, 0x0, 0x8, 0x70bd29, 0x25dfdbff, {}, [@BATADV_ATTR_VLANID={0x6, 0x28, 0x2}, @BATADV_ATTR_ISOLATION_MARK={0x8, 0x2b, 0x81}]}, 0x24}}, 0x0) socket$unix(0x1, 0x5, 0x0) 12:26:31 executing program 5: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x40b01) ioctl$NBD_SET_SOCK(r0, 0xab00, 0xffffffffffffffff) r1 = socket$netlink(0x10, 0x3, 0x12) sendmsg$TIPC_CMD_SET_NETID(r1, &(0x7f0000000d80)={0x0, 0x0, &(0x7f0000000d40)={&(0x7f0000000d00)={0x24, 0x0, 0x0, 0x0, 0x0, {{}, {}, {0x8}}}, 0x24}}, 0x0) syz_genetlink_get_family_id$ipvs(&(0x7f0000000080), 0xffffffffffffffff) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) ioctl$sock_SIOCGIFINDEX_802154(0xffffffffffffffff, 0x8933, &(0x7f0000000200)={'wpan0\x00'}) ioctl$sock_SIOCGIFINDEX_802154(0xffffffffffffffff, 0x8933, &(0x7f0000000240)={'wpan0\x00'}) 12:26:31 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r1) sendmsg$NBD_CMD_DISCONNECT(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f00000004c0)=ANY=[@ANYBLOB='l\x00\x00\x00', @ANYRES16=r2, @ANYBLOB="01002dbd7000fddbdf25020000000c00030001000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB], 0x6c}}, 0x0) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r4 = syz_genetlink_get_family_id$nbd(&(0x7f0000000380), r0) sendmsg$NBD_CMD_RECONFIGURE(r1, &(0x7f0000000480)={&(0x7f0000000340)={0x10, 0x0, 0x0, 0x4000}, 0xc, &(0x7f0000000440)={&(0x7f00000003c0)={0x4c, r4, 0x8, 0x70bd28, 0x25dfdbff, {}, [@NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x4}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x5}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x100}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x3}]}, 0x4c}, 0x1, 0x0, 0x0, 0x80}, 0x4800) (async) ioctl$sock_SIOCGIFINDEX_802154(r3, 0x8933, &(0x7f0000000300)={'wpan0\x00', 0x0}) r6 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) r7 = syz_genetlink_get_family_id$nl802154(&(0x7f00000013c0), 0xffffffffffffffff) sendmsg$NL802154_CMD_GET_WPAN_PHY(r6, &(0x7f0000000cc0)={0x0, 0x0, &(0x7f0000000c80)={&(0x7f0000000c00)={0x30, r7, 0x421, 0x0, 0x0, {}, [@NL802154_ATTR_WPAN_PHY={0x8, 0x1, 0x2}, @NL802154_ATTR_IFINDEX={0x8, 0x3, r5}, @NL802154_ATTR_WPAN_DEV={0xc, 0x6, 0x100000001}]}, 0x30}}, 0x0) sendmsg$NL802154_CMD_GET_SEC_DEVKEY(0xffffffffffffffff, &(0x7f0000000180)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x80000000}, 0xc, &(0x7f00000000c0)={&(0x7f0000000080)={0x2c, 0x0, 0x300, 0x70bd25, 0x25dfdbff, {}, [@NL802154_ATTR_IFINDEX={0x8}, @NL802154_ATTR_IFINDEX={0x8}, @NL802154_ATTR_IFINDEX={0x8, 0x3, r5}]}, 0x2c}, 0x1, 0x0, 0x0, 0x50}, 0x4010) (async) r8 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r9 = syz_genetlink_get_family_id$nl802154(&(0x7f0000000200), 0xffffffffffffffff) r10 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) ioctl$sock_SIOCGIFINDEX_802154(r10, 0x8933, &(0x7f0000000740)={'wpan0\x00', 0x0}) (async) r12 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r13 = syz_genetlink_get_family_id$nl802154(&(0x7f00000013c0), 0xffffffffffffffff) sendmsg$NL802154_CMD_GET_WPAN_PHY(r12, &(0x7f0000000cc0)={0x0, 0x0, &(0x7f0000000c80)={&(0x7f0000000c00)={0x30, r13, 0x421, 0x0, 0x0, {}, [@NL802154_ATTR_WPAN_PHY={0x8, 0x1, 0x2}, @NL802154_ATTR_IFINDEX={0x8, 0x3, r11}, @NL802154_ATTR_WPAN_DEV={0xc, 0x6, 0x100000001}]}, 0x30}}, 0x0) sendmsg$NL802154_CMD_GET_SEC_LEVEL(r8, &(0x7f00000002c0)={&(0x7f00000001c0)={0x10, 0x0, 0x0, 0x400000}, 0xc, &(0x7f0000000280)={&(0x7f0000000240)={0x3c, r9, 0x800, 0x70bd26, 0x25dfdbfc, {}, [@NL802154_ATTR_IFINDEX={0x8, 0x3, r5}, @NL802154_ATTR_WPAN_DEV={0xc}, @NL802154_ATTR_WPAN_DEV={0xc, 0x6, 0x100000001}, @NL802154_ATTR_IFINDEX={0x8, 0x3, r11}]}, 0x3c}, 0x1, 0x0, 0x0, 0x81}, 0xc094) 12:26:31 executing program 4: r0 = syz_open_dev$ndb(&(0x7f0000000080), 0x0, 0x0) r1 = socket$netlink(0x10, 0x3, 0x7) sendmsg$TIPC_CMD_SET_NETID(r1, &(0x7f0000000d80)={0x0, 0x0, &(0x7f0000000d40)={&(0x7f0000000d00)={0x24, 0x0, 0x0, 0x0, 0x0, {{}, {}, {0x8}}}, 0x24}}, 0x0) getsockname$netlink(r1, &(0x7f0000000000), &(0x7f00000000c0)=0xc) syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x141002) ioctl$NBD_SET_SOCK(r0, 0xab00, 0xffffffffffffffff) sendmsg$BATADV_CMD_GET_BLA_CLAIM(0xffffffffffffffff, &(0x7f00000001c0)={&(0x7f0000000100)={0x10, 0x0, 0x0, 0x400000}, 0xc, &(0x7f0000000180)={&(0x7f0000000140)={0x24, 0x0, 0x8, 0x70bd29, 0x25dfdbff, {}, [@BATADV_ATTR_VLANID={0x6, 0x28, 0x2}, @BATADV_ATTR_ISOLATION_MARK={0x8, 0x2b, 0x81}]}, 0x24}}, 0x0) socket$unix(0x1, 0x5, 0x0) 12:26:31 executing program 0: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x40b01) ioctl$NBD_SET_SOCK(r0, 0xab00, 0xffffffffffffffff) r1 = socket$netlink(0x10, 0x3, 0x12) sendmsg$TIPC_CMD_SET_NETID(r1, &(0x7f0000000d80)={0x0, 0x0, &(0x7f0000000d40)={&(0x7f0000000d00)={0x24, 0x0, 0x0, 0x0, 0x0, {{}, {}, {0x8}}}, 0x24}}, 0x0) syz_genetlink_get_family_id$ipvs(&(0x7f0000000080), 0xffffffffffffffff) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) [ 352.120547] nbd: couldn't find device at index 60470 12:26:31 executing program 5: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x40b01) ioctl$NBD_SET_SOCK(r0, 0xab00, 0xffffffffffffffff) r1 = socket$netlink(0x10, 0x3, 0x12) sendmsg$TIPC_CMD_SET_NETID(r1, &(0x7f0000000d80)={0x0, 0x0, &(0x7f0000000d40)={&(0x7f0000000d00)={0x24, 0x0, 0x0, 0x0, 0x0, {{}, {}, {0x8}}}, 0x24}}, 0x0) syz_genetlink_get_family_id$ipvs(&(0x7f0000000080), 0xffffffffffffffff) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) ioctl$sock_SIOCGIFINDEX_802154(0xffffffffffffffff, 0x8933, &(0x7f0000000200)={'wpan0\x00'}) 12:26:31 executing program 3: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) (async) r1 = socket$netlink(0x10, 0x3, 0x7) sendmsg$TIPC_CMD_SET_NETID(r1, &(0x7f0000000d80)={0x0, 0x0, &(0x7f0000000d40)={&(0x7f0000000d00)={0x24, 0x0, 0x0, 0x0, 0x0, {{}, {}, {0x8}}}, 0x24}}, 0x0) (async) sendmsg$nl_route_sched(r1, &(0x7f0000000380)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x10000040}, 0xc, &(0x7f0000000340)={&(0x7f0000000080)=@newchain={0x298, 0x64, 0x200, 0x70bd27, 0x25dfdbfb, {0x0, 0x0, 0x0, 0x0, {0xf, 0x10}, {0xe, 0x9}, {0x9, 0xb}}, [@filter_kind_options=@f_rsvp={{0x9}, {0x258, 0x2, [@TCA_RSVP_ACT={0x254, 0x6, [@m_nat={0x148, 0x6, 0x0, 0x0, {{0x8}, {0x7c, 0x2, 0x0, 0x1, [@TCA_NAT_PARMS={0x28, 0x1, {{0x80000000, 0x90da, 0x20000000, 0x1, 0x5}, @initdev={0xac, 0x1e, 0x1, 0x0}, @local, 0xff000000, 0x1}}, @TCA_NAT_PARMS={0x28, 0x1, {{0x81, 0x1, 0x7, 0x3, 0x200}, @multicast1, @private=0xa010100}}, @TCA_NAT_PARMS={0x28, 0x1, {{0x4, 0xa616, 0x3, 0x1, 0x8}, @rand_addr=0x64010101, @broadcast, 0xffffff00}}]}, {0xa7, 0x6, "90fee15a5865093703658f334b49fbd181da9e14349b1cebe1d1eded7514ffaad6cea0802a41f8d0c61a8f1c7bca82d7f6359c77e8140afa873c34d6c56bac6301e38b8ae957c6f222ad6d7b22f2111ba0759a3f04bfbb350ac21bb1fc661d2a1a51dacad7ed4eab48ec83e04feb09c946f356336ac12a4d38a5c43031f97d307b1c8d6bce252e07c55e4726bbab811c784fca5501fec58ba574bfe2ffbead9ce09091"}, {0xc, 0x7, {0x0, 0x1}}, {0xc, 0x8, {0x2}}}}, @m_ife={0x108, 0x1e, 0x0, 0x0, {{0x8}, {0x2c, 0x2, 0x0, 0x1, [@TCA_IFE_PARMS={0x1c, 0x1, {{0x3, 0x6, 0x1, 0x101, 0xb49}, 0x1}}, @TCA_IFE_DMAC={0xa, 0x3, @remote}]}, {0xb7, 0x6, "d2642d20781fe8a04942693682bff6cef9285d6def898267bc8bcac91f35c053c876e2082d769a871a34fb457e7e4c590fcdfbccc875a3a9edb718d6b37436c8f3fb467c3adde90378b855d9301a70c2c7986299809717a7845cd1656343cbe6c35223cf840975b1e835feca83e62aeac52e6d697cf035b37d410c329d47b8a202df196aee28c75c673f9ddc78925503a9739f7b3e837f8fc0368602a51ff41d4c25b2d22f138e04ce6d843069e3bc70551657"}, {0xc, 0x7, {0x1}}, {0xc, 0x8, {0x1, 0x1}}}}]}]}}, @TCA_CHAIN={0x8, 0xb, 0x7}, @TCA_CHAIN={0x8, 0xb, 0x8001}]}, 0x298}, 0x1, 0x0, 0x0, 0x20000000}, 0x48844) (async) ioctl$NBD_SET_SOCK(r0, 0xab00, 0xffffffffffffffff) 12:26:31 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r1) sendmsg$NBD_CMD_DISCONNECT(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000000)=ANY=[@ANYBLOB='l\x00\x00\x00', @ANYRES16=r2, @ANYBLOB="01002dbd7000fddbdf25020000000c00030001000100", @ANYRES32, @ANYBLOB="0800014036ec"], 0x6c}}, 0x0) 12:26:31 executing program 4: r0 = syz_open_dev$ndb(&(0x7f0000000080), 0x0, 0x0) r1 = socket$netlink(0x10, 0x3, 0x7) sendmsg$TIPC_CMD_SET_NETID(r1, &(0x7f0000000d80)={0x0, 0x0, &(0x7f0000000d40)={&(0x7f0000000d00)={0x24, 0x0, 0x0, 0x0, 0x0, {{}, {}, {0x8}}}, 0x24}}, 0x0) getsockname$netlink(r1, &(0x7f0000000000), &(0x7f00000000c0)=0xc) syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x141002) ioctl$NBD_SET_SOCK(r0, 0xab00, 0xffffffffffffffff) sendmsg$BATADV_CMD_GET_BLA_CLAIM(0xffffffffffffffff, &(0x7f00000001c0)={&(0x7f0000000100)={0x10, 0x0, 0x0, 0x400000}, 0xc, &(0x7f0000000180)={&(0x7f0000000140)={0x24, 0x0, 0x8, 0x70bd29, 0x25dfdbff, {}, [@BATADV_ATTR_VLANID={0x6, 0x28, 0x2}, @BATADV_ATTR_ISOLATION_MARK={0x8, 0x2b, 0x81}]}, 0x24}}, 0x0) socket$unix(0x1, 0x5, 0x0) 12:26:31 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r1) sendmsg$NBD_CMD_DISCONNECT(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f00000004c0)=ANY=[@ANYBLOB='l\x00\x00\x00', @ANYRES16=r2, @ANYBLOB="01002dbd7000fddbdf25020000000c00030001000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB], 0x6c}}, 0x0) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r4 = syz_genetlink_get_family_id$nbd(&(0x7f0000000380), r0) sendmsg$NBD_CMD_RECONFIGURE(r1, &(0x7f0000000480)={&(0x7f0000000340)={0x10, 0x0, 0x0, 0x4000}, 0xc, &(0x7f0000000440)={&(0x7f00000003c0)={0x4c, r4, 0x8, 0x70bd28, 0x25dfdbff, {}, [@NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x4}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x5}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x100}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x3}]}, 0x4c}, 0x1, 0x0, 0x0, 0x80}, 0x4800) ioctl$sock_SIOCGIFINDEX_802154(r3, 0x8933, &(0x7f0000000300)={'wpan0\x00', 0x0}) r6 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r7 = syz_genetlink_get_family_id$nl802154(&(0x7f00000013c0), 0xffffffffffffffff) sendmsg$NL802154_CMD_GET_WPAN_PHY(r6, &(0x7f0000000cc0)={0x0, 0x0, &(0x7f0000000c80)={&(0x7f0000000c00)={0x30, r7, 0x421, 0x0, 0x0, {}, [@NL802154_ATTR_WPAN_PHY={0x8, 0x1, 0x2}, @NL802154_ATTR_IFINDEX={0x8, 0x3, r5}, @NL802154_ATTR_WPAN_DEV={0xc, 0x6, 0x100000001}]}, 0x30}}, 0x0) sendmsg$NL802154_CMD_GET_SEC_DEVKEY(0xffffffffffffffff, &(0x7f0000000180)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x80000000}, 0xc, &(0x7f00000000c0)={&(0x7f0000000080)={0x2c, 0x0, 0x300, 0x70bd25, 0x25dfdbff, {}, [@NL802154_ATTR_IFINDEX={0x8}, @NL802154_ATTR_IFINDEX={0x8}, @NL802154_ATTR_IFINDEX={0x8, 0x3, r5}]}, 0x2c}, 0x1, 0x0, 0x0, 0x50}, 0x4010) r8 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r9 = syz_genetlink_get_family_id$nl802154(&(0x7f0000000200), 0xffffffffffffffff) r10 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) ioctl$sock_SIOCGIFINDEX_802154(r10, 0x8933, &(0x7f0000000740)={'wpan0\x00', 0x0}) r12 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r13 = syz_genetlink_get_family_id$nl802154(&(0x7f00000013c0), 0xffffffffffffffff) sendmsg$NL802154_CMD_GET_WPAN_PHY(r12, &(0x7f0000000cc0)={0x0, 0x0, &(0x7f0000000c80)={&(0x7f0000000c00)={0x30, r13, 0x421, 0x0, 0x0, {}, [@NL802154_ATTR_WPAN_PHY={0x8, 0x1, 0x2}, @NL802154_ATTR_IFINDEX={0x8, 0x3, r11}, @NL802154_ATTR_WPAN_DEV={0xc, 0x6, 0x100000001}]}, 0x30}}, 0x0) sendmsg$NL802154_CMD_GET_SEC_LEVEL(r8, &(0x7f00000002c0)={&(0x7f00000001c0)={0x10, 0x0, 0x0, 0x400000}, 0xc, &(0x7f0000000280)={&(0x7f0000000240)={0x3c, r9, 0x800, 0x70bd26, 0x25dfdbfc, {}, [@NL802154_ATTR_IFINDEX={0x8, 0x3, r5}, @NL802154_ATTR_WPAN_DEV={0xc}, @NL802154_ATTR_WPAN_DEV={0xc, 0x6, 0x100000001}, @NL802154_ATTR_IFINDEX={0x8, 0x3, r11}]}, 0x3c}, 0x1, 0x0, 0x0, 0x81}, 0xc094) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r1) (async) sendmsg$NBD_CMD_DISCONNECT(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f00000004c0)=ANY=[@ANYBLOB='l\x00\x00\x00', @ANYRES16=r2, @ANYBLOB="01002dbd7000fddbdf25020000000c00030001000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB], 0x6c}}, 0x0) (async) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) syz_genetlink_get_family_id$nbd(&(0x7f0000000380), r0) (async) sendmsg$NBD_CMD_RECONFIGURE(r1, &(0x7f0000000480)={&(0x7f0000000340)={0x10, 0x0, 0x0, 0x4000}, 0xc, &(0x7f0000000440)={&(0x7f00000003c0)={0x4c, r4, 0x8, 0x70bd28, 0x25dfdbff, {}, [@NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x4}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x5}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x100}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x3}]}, 0x4c}, 0x1, 0x0, 0x0, 0x80}, 0x4800) (async) ioctl$sock_SIOCGIFINDEX_802154(r3, 0x8933, &(0x7f0000000300)={'wpan0\x00'}) (async) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) syz_genetlink_get_family_id$nl802154(&(0x7f00000013c0), 0xffffffffffffffff) (async) sendmsg$NL802154_CMD_GET_WPAN_PHY(r6, &(0x7f0000000cc0)={0x0, 0x0, &(0x7f0000000c80)={&(0x7f0000000c00)={0x30, r7, 0x421, 0x0, 0x0, {}, [@NL802154_ATTR_WPAN_PHY={0x8, 0x1, 0x2}, @NL802154_ATTR_IFINDEX={0x8, 0x3, r5}, @NL802154_ATTR_WPAN_DEV={0xc, 0x6, 0x100000001}]}, 0x30}}, 0x0) (async) sendmsg$NL802154_CMD_GET_SEC_DEVKEY(0xffffffffffffffff, &(0x7f0000000180)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x80000000}, 0xc, &(0x7f00000000c0)={&(0x7f0000000080)={0x2c, 0x0, 0x300, 0x70bd25, 0x25dfdbff, {}, [@NL802154_ATTR_IFINDEX={0x8}, @NL802154_ATTR_IFINDEX={0x8}, @NL802154_ATTR_IFINDEX={0x8, 0x3, r5}]}, 0x2c}, 0x1, 0x0, 0x0, 0x50}, 0x4010) (async) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) syz_genetlink_get_family_id$nl802154(&(0x7f0000000200), 0xffffffffffffffff) (async) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) ioctl$sock_SIOCGIFINDEX_802154(r10, 0x8933, &(0x7f0000000740)={'wpan0\x00'}) (async) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) syz_genetlink_get_family_id$nl802154(&(0x7f00000013c0), 0xffffffffffffffff) (async) sendmsg$NL802154_CMD_GET_WPAN_PHY(r12, &(0x7f0000000cc0)={0x0, 0x0, &(0x7f0000000c80)={&(0x7f0000000c00)={0x30, r13, 0x421, 0x0, 0x0, {}, [@NL802154_ATTR_WPAN_PHY={0x8, 0x1, 0x2}, @NL802154_ATTR_IFINDEX={0x8, 0x3, r11}, @NL802154_ATTR_WPAN_DEV={0xc, 0x6, 0x100000001}]}, 0x30}}, 0x0) (async) sendmsg$NL802154_CMD_GET_SEC_LEVEL(r8, &(0x7f00000002c0)={&(0x7f00000001c0)={0x10, 0x0, 0x0, 0x400000}, 0xc, &(0x7f0000000280)={&(0x7f0000000240)={0x3c, r9, 0x800, 0x70bd26, 0x25dfdbfc, {}, [@NL802154_ATTR_IFINDEX={0x8, 0x3, r5}, @NL802154_ATTR_WPAN_DEV={0xc}, @NL802154_ATTR_WPAN_DEV={0xc, 0x6, 0x100000001}, @NL802154_ATTR_IFINDEX={0x8, 0x3, r11}]}, 0x3c}, 0x1, 0x0, 0x0, 0x81}, 0xc094) (async) 12:26:31 executing program 0: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x40b01) ioctl$NBD_SET_SOCK(r0, 0xab00, 0xffffffffffffffff) r1 = socket$netlink(0x10, 0x3, 0x12) sendmsg$TIPC_CMD_SET_NETID(r1, &(0x7f0000000d80)={0x0, 0x0, &(0x7f0000000d40)={&(0x7f0000000d00)={0x24, 0x0, 0x0, 0x0, 0x0, {{}, {}, {0x8}}}, 0x24}}, 0x0) syz_genetlink_get_family_id$ipvs(&(0x7f0000000080), 0xffffffffffffffff) 12:26:31 executing program 3: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, 0xffffffffffffffff) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), 0xffffffffffffffff) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000200)={&(0x7f0000000100)={0x10, 0x0, 0x0, 0x40000}, 0xc, &(0x7f0000000180)={&(0x7f0000000140)={0x1c, r1, 0x400, 0x70bd2c, 0x25dfdbfb, {}, [@NBD_ATTR_BACKEND_IDENTIFIER={0x5, 0xa, '!'}]}, 0x1c}, 0x1, 0x0, 0x0, 0x4000800}, 0x800) r3 = openat$null(0xffffffffffffff9c, &(0x7f00000000c0), 0x3, 0x0) sendmsg$NBD_CMD_CONNECT(0xffffffffffffffff, &(0x7f0000000240)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x40000000}, 0xc, &(0x7f00000001c0)={&(0x7f0000000280)=ANY=[@ANYBLOB="98000000", @ANYRES16=r1, @ANYBLOB="000101000000fddbdf250100cb0e4f0188c451c53897f48f476600000c00050020000000000000000c00060000000000000000000c0086130100d98b6848c74cc69735bef3c8ae61917c1d183f4a81fcc58c747175fab1f25cf977ad3988a829f4fd235fe055040538e2bc606d38a46b8b3c43b5f392b860fdf6", @ANYRES32, @ANYBLOB="08000100", @ANYRES32=r3, @ANYBLOB="0c00040005000000000000000e000a002f6465762f6e6264230000000c000800820000000000000008000a002f2923400e000a002f6465762f6e6264230000000c0008000200000000000000"], 0x98}, 0x1, 0x0, 0x0, 0x4050}, 0x48880) 12:26:31 executing program 5: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x40b01) ioctl$NBD_SET_SOCK(r0, 0xab00, 0xffffffffffffffff) r1 = socket$netlink(0x10, 0x3, 0x12) sendmsg$TIPC_CMD_SET_NETID(r1, &(0x7f0000000d80)={0x0, 0x0, &(0x7f0000000d40)={&(0x7f0000000d00)={0x24, 0x0, 0x0, 0x0, 0x0, {{}, {}, {0x8}}}, 0x24}}, 0x0) syz_genetlink_get_family_id$ipvs(&(0x7f0000000080), 0xffffffffffffffff) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) 12:26:31 executing program 4: r0 = syz_open_dev$ndb(&(0x7f0000000080), 0x0, 0x0) r1 = socket$netlink(0x10, 0x3, 0x7) sendmsg$TIPC_CMD_SET_NETID(r1, &(0x7f0000000d80)={0x0, 0x0, &(0x7f0000000d40)={&(0x7f0000000d00)={0x24, 0x0, 0x0, 0x0, 0x0, {{}, {}, {0x8}}}, 0x24}}, 0x0) getsockname$netlink(r1, &(0x7f0000000000), &(0x7f00000000c0)=0xc) syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x141002) ioctl$NBD_SET_SOCK(r0, 0xab00, 0xffffffffffffffff) sendmsg$BATADV_CMD_GET_BLA_CLAIM(0xffffffffffffffff, &(0x7f00000001c0)={&(0x7f0000000100)={0x10, 0x0, 0x0, 0x400000}, 0xc, &(0x7f0000000180)={&(0x7f0000000140)={0x24, 0x0, 0x8, 0x70bd29, 0x25dfdbff, {}, [@BATADV_ATTR_VLANID={0x6, 0x28, 0x2}, @BATADV_ATTR_ISOLATION_MARK={0x8, 0x2b, 0x81}]}, 0x24}}, 0x0) 12:26:31 executing program 0: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x40b01) ioctl$NBD_SET_SOCK(r0, 0xab00, 0xffffffffffffffff) r1 = socket$netlink(0x10, 0x3, 0x12) sendmsg$TIPC_CMD_SET_NETID(r1, &(0x7f0000000d80)={0x0, 0x0, &(0x7f0000000d40)={&(0x7f0000000d00)={0x24, 0x0, 0x0, 0x0, 0x0, {{}, {}, {0x8}}}, 0x24}}, 0x0) 12:26:31 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r1) sendmsg$NBD_CMD_DISCONNECT(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000000)=ANY=[@ANYBLOB='l\x00\x00\x00', @ANYRES16=r2, @ANYBLOB="01002dbd7000fddbdf25020000000c00030001000100", @ANYRES32, @ANYBLOB="0800014036ece36e35"], 0x6c}}, 0x0) [ 352.262279] nbd: couldn't find device at index 60470 [ 352.276658] nbd: couldn't find device at index -1 12:26:31 executing program 5: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x40b01) ioctl$NBD_SET_SOCK(r0, 0xab00, 0xffffffffffffffff) r1 = socket$netlink(0x10, 0x3, 0x12) sendmsg$TIPC_CMD_SET_NETID(r1, &(0x7f0000000d80)={0x0, 0x0, &(0x7f0000000d40)={&(0x7f0000000d00)={0x24, 0x0, 0x0, 0x0, 0x0, {{}, {}, {0x8}}}, 0x24}}, 0x0) syz_genetlink_get_family_id$ipvs(&(0x7f0000000080), 0xffffffffffffffff) 12:26:31 executing program 3: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, 0xffffffffffffffff) (async) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), 0xffffffffffffffff) (async) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000200)={&(0x7f0000000100)={0x10, 0x0, 0x0, 0x40000}, 0xc, &(0x7f0000000180)={&(0x7f0000000140)={0x1c, r1, 0x400, 0x70bd2c, 0x25dfdbfb, {}, [@NBD_ATTR_BACKEND_IDENTIFIER={0x5, 0xa, '!'}]}, 0x1c}, 0x1, 0x0, 0x0, 0x4000800}, 0x800) (async) r3 = openat$null(0xffffffffffffff9c, &(0x7f00000000c0), 0x3, 0x0) sendmsg$NBD_CMD_CONNECT(0xffffffffffffffff, &(0x7f0000000240)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x40000000}, 0xc, &(0x7f00000001c0)={&(0x7f0000000280)=ANY=[@ANYBLOB="98000000", @ANYRES16=r1, @ANYBLOB="000101000000fddbdf250100cb0e4f0188c451c53897f48f476600000c00050020000000000000000c00060000000000000000000c0086130100d98b6848c74cc69735bef3c8ae61917c1d183f4a81fcc58c747175fab1f25cf977ad3988a829f4fd235fe055040538e2bc606d38a46b8b3c43b5f392b860fdf6", @ANYRES32, @ANYBLOB="08000100", @ANYRES32=r3, @ANYBLOB="0c00040005000000000000000e000a002f6465762f6e6264230000000c000800820000000000000008000a002f2923400e000a002f6465762f6e6264230000000c0008000200000000000000"], 0x98}, 0x1, 0x0, 0x0, 0x4050}, 0x48880) 12:26:31 executing program 4: r0 = syz_open_dev$ndb(&(0x7f0000000080), 0x0, 0x0) r1 = socket$netlink(0x10, 0x3, 0x7) sendmsg$TIPC_CMD_SET_NETID(r1, &(0x7f0000000d80)={0x0, 0x0, &(0x7f0000000d40)={&(0x7f0000000d00)={0x24, 0x0, 0x0, 0x0, 0x0, {{}, {}, {0x8}}}, 0x24}}, 0x0) getsockname$netlink(r1, &(0x7f0000000000), &(0x7f00000000c0)=0xc) syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x141002) ioctl$NBD_SET_SOCK(r0, 0xab00, 0xffffffffffffffff) 12:26:31 executing program 1: r0 = getpid() sched_getparam(r0, &(0x7f00000006c0)) r1 = openat$null(0xffffffffffffff9c, 0x0, 0x0, 0x0) mmap$perf(&(0x7f0000ffe000/0x2000)=nil, 0x2000, 0x0, 0x10, r1, 0x0) perf_event_open(&(0x7f0000000240)={0x5, 0x80, 0x1, 0x20, 0x4, 0x0, 0x0, 0x40, 0x20100, 0x1, 0x1, 0x0, 0x1, 0x1, 0x0, 0x1, 0x1, 0x1, 0x1, 0x0, 0x1, 0x0, 0x1, 0x0, 0x1, 0x1, 0x1, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1, 0x0, 0x1, 0x1, 0x1, 0x1, 0x0, 0x0, 0x0, 0x1, 0x1, 0x0, 0x1, 0x0, 0x0, 0x5, 0x2, @perf_config_ext={0x7fff}, 0x8002, 0x5, 0x6, 0x4, 0x5, 0x6, 0x7f, 0x0, 0x8, 0x0, 0x2}, r0, 0xa, r1, 0x3) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r4 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r3) ioctl$sock_SIOCGIFINDEX_802154(r2, 0x8933, &(0x7f0000000000)={'wpan1\x00'}) sendmsg$NBD_CMD_DISCONNECT(r2, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f00000004c0)=ANY=[@ANYBLOB='l\x00\x00\x00', @ANYRES16=r3, @ANYBLOB="01002dbd7000fddbdf25020000000c00030001000100", @ANYRES8=r2, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB], 0x6c}, 0x1, 0x0, 0x0, 0x4004084}, 0x0) r5 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_DISCONNECT(r5, &(0x7f0000000200)={&(0x7f0000000080)={0x10, 0x0, 0x0, 0x10000002}, 0xc, &(0x7f00000000c0)={&(0x7f0000000180)={0x58, r4, 0x800, 0x70bd2d, 0x25dfdbfc, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x100}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x2}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x9}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x5}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc}, @NBD_ATTR_BACKEND_IDENTIFIER={0x5, 0xa, '%'}]}, 0x58}, 0x1, 0x0, 0x0, 0x48810}, 0x8000) 12:26:31 executing program 0: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x40b01) ioctl$NBD_SET_SOCK(r0, 0xab00, 0xffffffffffffffff) socket$netlink(0x10, 0x3, 0x12) 12:26:31 executing program 5: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x40b01) ioctl$NBD_SET_SOCK(r0, 0xab00, 0xffffffffffffffff) r1 = socket$netlink(0x10, 0x3, 0x12) sendmsg$TIPC_CMD_SET_NETID(r1, &(0x7f0000000d80)={0x0, 0x0, &(0x7f0000000d40)={&(0x7f0000000d00)={0x24, 0x0, 0x0, 0x0, 0x0, {{}, {}, {0x8}}}, 0x24}}, 0x0) 12:26:32 executing program 4: syz_open_dev$ndb(&(0x7f0000000080), 0x0, 0x0) r0 = socket$netlink(0x10, 0x3, 0x7) sendmsg$TIPC_CMD_SET_NETID(r0, &(0x7f0000000d80)={0x0, 0x0, &(0x7f0000000d40)={&(0x7f0000000d00)={0x24, 0x0, 0x0, 0x0, 0x0, {{}, {}, {0x8}}}, 0x24}}, 0x0) getsockname$netlink(r0, &(0x7f0000000000), &(0x7f00000000c0)=0xc) syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x141002) 12:26:32 executing program 3: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, 0xffffffffffffffff) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), 0xffffffffffffffff) (async) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000200)={&(0x7f0000000100)={0x10, 0x0, 0x0, 0x40000}, 0xc, &(0x7f0000000180)={&(0x7f0000000140)={0x1c, r1, 0x400, 0x70bd2c, 0x25dfdbfb, {}, [@NBD_ATTR_BACKEND_IDENTIFIER={0x5, 0xa, '!'}]}, 0x1c}, 0x1, 0x0, 0x0, 0x4000800}, 0x800) r3 = openat$null(0xffffffffffffff9c, &(0x7f00000000c0), 0x3, 0x0) sendmsg$NBD_CMD_CONNECT(0xffffffffffffffff, &(0x7f0000000240)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x40000000}, 0xc, &(0x7f00000001c0)={&(0x7f0000000280)=ANY=[@ANYBLOB="98000000", @ANYRES16=r1, @ANYBLOB="000101000000fddbdf250100cb0e4f0188c451c53897f48f476600000c00050020000000000000000c00060000000000000000000c0086130100d98b6848c74cc69735bef3c8ae61917c1d183f4a81fcc58c747175fab1f25cf977ad3988a829f4fd235fe055040538e2bc606d38a46b8b3c43b5f392b860fdf6", @ANYRES32, @ANYBLOB="08000100", @ANYRES32=r3, @ANYBLOB="0c00040005000000000000000e000a002f6465762f6e6264230000000c000800820000000000000008000a002f2923400e000a002f6465762f6e6264230000000c0008000200000000000000"], 0x98}, 0x1, 0x0, 0x0, 0x4050}, 0x48880) 12:26:32 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r1) sendmsg$NBD_CMD_DISCONNECT(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000000)=ANY=[@ANYBLOB='l\x00\x00\x00', @ANYRES16=r2, @ANYBLOB="01002dbd7000fddbdf25020000000c00030001000100", @ANYRES32, @ANYBLOB="0800014036ece3"], 0x6c}}, 0x0) 12:26:32 executing program 0: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x40b01) ioctl$NBD_SET_SOCK(r0, 0xab00, 0xffffffffffffffff) [ 352.375701] nbd: couldn't find device at index 1860430902 12:26:32 executing program 1: r0 = getpid() sched_getparam(r0, &(0x7f00000006c0)) r1 = openat$null(0xffffffffffffff9c, 0x0, 0x0, 0x0) mmap$perf(&(0x7f0000ffe000/0x2000)=nil, 0x2000, 0x0, 0x10, r1, 0x0) perf_event_open(&(0x7f0000000240)={0x5, 0x80, 0x1, 0x20, 0x4, 0x0, 0x0, 0x40, 0x20100, 0x1, 0x1, 0x0, 0x1, 0x1, 0x0, 0x1, 0x1, 0x1, 0x1, 0x0, 0x1, 0x0, 0x1, 0x0, 0x1, 0x1, 0x1, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1, 0x0, 0x1, 0x1, 0x1, 0x1, 0x0, 0x0, 0x0, 0x1, 0x1, 0x0, 0x1, 0x0, 0x0, 0x5, 0x2, @perf_config_ext={0x7fff}, 0x8002, 0x5, 0x6, 0x4, 0x5, 0x6, 0x7f, 0x0, 0x8, 0x0, 0x2}, r0, 0xa, r1, 0x3) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r4 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r3) ioctl$sock_SIOCGIFINDEX_802154(r2, 0x8933, &(0x7f0000000000)={'wpan1\x00'}) sendmsg$NBD_CMD_DISCONNECT(r2, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f00000004c0)=ANY=[@ANYBLOB='l\x00\x00\x00', @ANYRES16=r3, @ANYBLOB="01002dbd7000fddbdf25020000000c00030001000100", @ANYRES8=r2, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB], 0x6c}, 0x1, 0x0, 0x0, 0x4004084}, 0x0) r5 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_DISCONNECT(r5, &(0x7f0000000200)={&(0x7f0000000080)={0x10, 0x0, 0x0, 0x10000002}, 0xc, &(0x7f00000000c0)={&(0x7f0000000180)={0x58, r4, 0x800, 0x70bd2d, 0x25dfdbfc, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x100}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x2}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x9}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x5}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc}, @NBD_ATTR_BACKEND_IDENTIFIER={0x5, 0xa, '%'}]}, 0x58}, 0x1, 0x0, 0x0, 0x48810}, 0x8000) getpid() (async) sched_getparam(r0, &(0x7f00000006c0)) (async) openat$null(0xffffffffffffff9c, 0x0, 0x0, 0x0) (async) mmap$perf(&(0x7f0000ffe000/0x2000)=nil, 0x2000, 0x0, 0x10, r1, 0x0) (async) perf_event_open(&(0x7f0000000240)={0x5, 0x80, 0x1, 0x20, 0x4, 0x0, 0x0, 0x40, 0x20100, 0x1, 0x1, 0x0, 0x1, 0x1, 0x0, 0x1, 0x1, 0x1, 0x1, 0x0, 0x1, 0x0, 0x1, 0x0, 0x1, 0x1, 0x1, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1, 0x0, 0x1, 0x1, 0x1, 0x1, 0x0, 0x0, 0x0, 0x1, 0x1, 0x0, 0x1, 0x0, 0x0, 0x5, 0x2, @perf_config_ext={0x7fff}, 0x8002, 0x5, 0x6, 0x4, 0x5, 0x6, 0x7f, 0x0, 0x8, 0x0, 0x2}, r0, 0xa, r1, 0x3) (async) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r3) (async) ioctl$sock_SIOCGIFINDEX_802154(r2, 0x8933, &(0x7f0000000000)={'wpan1\x00'}) (async) sendmsg$NBD_CMD_DISCONNECT(r2, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f00000004c0)=ANY=[@ANYBLOB='l\x00\x00\x00', @ANYRES16=r3, @ANYBLOB="01002dbd7000fddbdf25020000000c00030001000100", @ANYRES8=r2, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB], 0x6c}, 0x1, 0x0, 0x0, 0x4004084}, 0x0) (async) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) sendmsg$NBD_CMD_DISCONNECT(r5, &(0x7f0000000200)={&(0x7f0000000080)={0x10, 0x0, 0x0, 0x10000002}, 0xc, &(0x7f00000000c0)={&(0x7f0000000180)={0x58, r4, 0x800, 0x70bd2d, 0x25dfdbfc, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x100}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x2}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x9}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x5}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc}, @NBD_ATTR_BACKEND_IDENTIFIER={0x5, 0xa, '%'}]}, 0x58}, 0x1, 0x0, 0x0, 0x48810}, 0x8000) (async) 12:26:32 executing program 4: syz_open_dev$ndb(&(0x7f0000000080), 0x0, 0x0) r0 = socket$netlink(0x10, 0x3, 0x7) sendmsg$TIPC_CMD_SET_NETID(r0, &(0x7f0000000d80)={0x0, 0x0, &(0x7f0000000d40)={&(0x7f0000000d00)={0x24, 0x0, 0x0, 0x0, 0x0, {{}, {}, {0x8}}}, 0x24}}, 0x0) syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x141002) 12:26:32 executing program 5: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x40b01) ioctl$NBD_SET_SOCK(r0, 0xab00, 0xffffffffffffffff) socket$netlink(0x10, 0x3, 0x12) 12:26:32 executing program 3: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) sendmsg$BATADV_CMD_GET_VLAN(0xffffffffffffffff, &(0x7f0000000100)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x2000000}, 0xc, &(0x7f00000000c0)={&(0x7f0000000080)={0x24, 0x0, 0x400, 0x70bd27, 0x25dfdbfd, {}, [@BATADV_ATTR_GW_SEL_CLASS={0x8, 0x34, 0x180000}, @BATADV_ATTR_AP_ISOLATION_ENABLED={0x5, 0x2a, 0x1}]}, 0x24}, 0x1, 0x0, 0x0, 0x4000085}, 0x0) r1 = socket$netlink(0x10, 0x3, 0x7) sendmsg$TIPC_CMD_SET_NETID(r1, &(0x7f0000000d80)={0x0, 0x0, &(0x7f0000000d40)={&(0x7f0000000d00)={0x24, 0x0, 0x0, 0x0, 0x0, {{}, {}, {0x8}}}, 0x24}}, 0x0) sendmsg$BATADV_CMD_GET_ROUTING_ALGOS(r1, &(0x7f0000000380)={&(0x7f00000002c0)={0x10, 0x0, 0x0, 0x2000000}, 0xc, &(0x7f0000000340)={&(0x7f0000000300)={0x24, 0x0, 0x100, 0x70bd26, 0x25dfdbfb, {}, [@BATADV_ATTR_DISTRIBUTED_ARP_TABLE_ENABLED={0x5, 0x2f, 0x1}, @BATADV_ATTR_MULTICAST_FORCEFLOOD_ENABLED={0x5}]}, 0x24}, 0x1, 0x0, 0x0, 0x4000000}, 0xc848) sendmsg$IPVS_CMD_SET_CONFIG(0xffffffffffffffff, &(0x7f0000000280)={&(0x7f0000000140)={0x10, 0x0, 0x0, 0x8a3e20353ab58a2e}, 0xc, &(0x7f0000000240)={&(0x7f0000000180)={0x94, 0x0, 0x10, 0x70bd28, 0x25dfdbfb, {}, [@IPVS_CMD_ATTR_TIMEOUT_TCP={0x8, 0x4, 0x1}, @IPVS_CMD_ATTR_DAEMON={0x1d, 0x3, 0x0, 0x1, [@IPVS_DAEMON_ATTR_SYNC_ID={0x8, 0x3, 0x1}, @IPVS_DAEMON_ATTR_MCAST_PORT={0x6, 0x7, 0x3}, @IPVS_DAEMON_ATTR_MCAST_GROUP={0x0, 0x5, @local}, @IPVS_DAEMON_ATTR_SYNC_MAXLEN={0x6, 0x4, 0x6}]}, @IPVS_CMD_ATTR_SERVICE={0x34, 0x1, 0x0, 0x1, [@IPVS_SVC_ATTR_FLAGS={0xc, 0x7, {0x5, 0x20}}, @IPVS_SVC_ATTR_PORT={0x6, 0x4, 0x4e23}, @IPVS_SVC_ATTR_SCHED_NAME={0x7, 0x6, 'fo\x00'}, @IPVS_SVC_ATTR_FLAGS={0xc, 0x7, {0x11, 0x4}}, @IPVS_SVC_ATTR_AF={0x0, 0x1, 0x2}]}, @IPVS_CMD_ATTR_TIMEOUT_TCP_FIN={0x8, 0x5, 0x10000}, @IPVS_CMD_ATTR_DAEMON={0x4}, @IPVS_CMD_ATTR_TIMEOUT_TCP_FIN={0x8, 0x5, 0x6}]}, 0x94}, 0x1, 0x0, 0x0, 0x240048c4}, 0x4) ioctl$NBD_SET_SOCK(r0, 0xab00, 0xffffffffffffffff) 12:26:32 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r1) sendmsg$NBD_CMD_DISCONNECT(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000000)=ANY=[@ANYBLOB='l\x00\x00\x00', @ANYRES16=r2, @ANYBLOB="01002dbd7000fddbdf25020000000c00030001000100", @ANYRES32, @ANYBLOB="0800014036ece3"], 0x6c}}, 0x0) 12:26:32 executing program 4: syz_open_dev$ndb(&(0x7f0000000080), 0x0, 0x0) socket$netlink(0x10, 0x3, 0x7) syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x141002) 12:26:32 executing program 0: ioctl$NBD_SET_SOCK(0xffffffffffffffff, 0xab00, 0xffffffffffffffff) [ 352.461990] nbd: couldn't find device at index 14937142 12:26:32 executing program 3: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) (async) sendmsg$BATADV_CMD_GET_VLAN(0xffffffffffffffff, &(0x7f0000000100)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x2000000}, 0xc, &(0x7f00000000c0)={&(0x7f0000000080)={0x24, 0x0, 0x400, 0x70bd27, 0x25dfdbfd, {}, [@BATADV_ATTR_GW_SEL_CLASS={0x8, 0x34, 0x180000}, @BATADV_ATTR_AP_ISOLATION_ENABLED={0x5, 0x2a, 0x1}]}, 0x24}, 0x1, 0x0, 0x0, 0x4000085}, 0x0) (async) r1 = socket$netlink(0x10, 0x3, 0x7) sendmsg$TIPC_CMD_SET_NETID(r1, &(0x7f0000000d80)={0x0, 0x0, &(0x7f0000000d40)={&(0x7f0000000d00)={0x24, 0x0, 0x0, 0x0, 0x0, {{}, {}, {0x8}}}, 0x24}}, 0x0) (async) sendmsg$BATADV_CMD_GET_ROUTING_ALGOS(r1, &(0x7f0000000380)={&(0x7f00000002c0)={0x10, 0x0, 0x0, 0x2000000}, 0xc, &(0x7f0000000340)={&(0x7f0000000300)={0x24, 0x0, 0x100, 0x70bd26, 0x25dfdbfb, {}, [@BATADV_ATTR_DISTRIBUTED_ARP_TABLE_ENABLED={0x5, 0x2f, 0x1}, @BATADV_ATTR_MULTICAST_FORCEFLOOD_ENABLED={0x5}]}, 0x24}, 0x1, 0x0, 0x0, 0x4000000}, 0xc848) (async) sendmsg$IPVS_CMD_SET_CONFIG(0xffffffffffffffff, &(0x7f0000000280)={&(0x7f0000000140)={0x10, 0x0, 0x0, 0x8a3e20353ab58a2e}, 0xc, &(0x7f0000000240)={&(0x7f0000000180)={0x94, 0x0, 0x10, 0x70bd28, 0x25dfdbfb, {}, [@IPVS_CMD_ATTR_TIMEOUT_TCP={0x8, 0x4, 0x1}, @IPVS_CMD_ATTR_DAEMON={0x1d, 0x3, 0x0, 0x1, [@IPVS_DAEMON_ATTR_SYNC_ID={0x8, 0x3, 0x1}, @IPVS_DAEMON_ATTR_MCAST_PORT={0x6, 0x7, 0x3}, @IPVS_DAEMON_ATTR_MCAST_GROUP={0x0, 0x5, @local}, @IPVS_DAEMON_ATTR_SYNC_MAXLEN={0x6, 0x4, 0x6}]}, @IPVS_CMD_ATTR_SERVICE={0x34, 0x1, 0x0, 0x1, [@IPVS_SVC_ATTR_FLAGS={0xc, 0x7, {0x5, 0x20}}, @IPVS_SVC_ATTR_PORT={0x6, 0x4, 0x4e23}, @IPVS_SVC_ATTR_SCHED_NAME={0x7, 0x6, 'fo\x00'}, @IPVS_SVC_ATTR_FLAGS={0xc, 0x7, {0x11, 0x4}}, @IPVS_SVC_ATTR_AF={0x0, 0x1, 0x2}]}, @IPVS_CMD_ATTR_TIMEOUT_TCP_FIN={0x8, 0x5, 0x10000}, @IPVS_CMD_ATTR_DAEMON={0x4}, @IPVS_CMD_ATTR_TIMEOUT_TCP_FIN={0x8, 0x5, 0x6}]}, 0x94}, 0x1, 0x0, 0x0, 0x240048c4}, 0x4) ioctl$NBD_SET_SOCK(r0, 0xab00, 0xffffffffffffffff) 12:26:32 executing program 1: r0 = getpid() sched_getparam(r0, &(0x7f00000006c0)) (async, rerun: 32) r1 = openat$null(0xffffffffffffff9c, 0x0, 0x0, 0x0) (rerun: 32) mmap$perf(&(0x7f0000ffe000/0x2000)=nil, 0x2000, 0x0, 0x10, r1, 0x0) perf_event_open(&(0x7f0000000240)={0x5, 0x80, 0x1, 0x20, 0x4, 0x0, 0x0, 0x40, 0x20100, 0x1, 0x1, 0x0, 0x1, 0x1, 0x0, 0x1, 0x1, 0x1, 0x1, 0x0, 0x1, 0x0, 0x1, 0x0, 0x1, 0x1, 0x1, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1, 0x0, 0x1, 0x1, 0x1, 0x1, 0x0, 0x0, 0x0, 0x1, 0x1, 0x0, 0x1, 0x0, 0x0, 0x5, 0x2, @perf_config_ext={0x7fff}, 0x8002, 0x5, 0x6, 0x4, 0x5, 0x6, 0x7f, 0x0, 0x8, 0x0, 0x2}, r0, 0xa, r1, 0x3) (async) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r4 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r3) ioctl$sock_SIOCGIFINDEX_802154(r2, 0x8933, &(0x7f0000000000)={'wpan1\x00'}) (async) sendmsg$NBD_CMD_DISCONNECT(r2, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f00000004c0)=ANY=[@ANYBLOB='l\x00\x00\x00', @ANYRES16=r3, @ANYBLOB="01002dbd7000fddbdf25020000000c00030001000100", @ANYRES8=r2, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB], 0x6c}, 0x1, 0x0, 0x0, 0x4004084}, 0x0) (async) r5 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_DISCONNECT(r5, &(0x7f0000000200)={&(0x7f0000000080)={0x10, 0x0, 0x0, 0x10000002}, 0xc, &(0x7f00000000c0)={&(0x7f0000000180)={0x58, r4, 0x800, 0x70bd2d, 0x25dfdbfc, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x100}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x2}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x9}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x5}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc}, @NBD_ATTR_BACKEND_IDENTIFIER={0x5, 0xa, '%'}]}, 0x58}, 0x1, 0x0, 0x0, 0x48810}, 0x8000) 12:26:32 executing program 5: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x40b01) ioctl$NBD_SET_SOCK(r0, 0xab00, 0xffffffffffffffff) 12:26:32 executing program 0: ioctl$NBD_SET_SOCK(0xffffffffffffffff, 0xab00, 0xffffffffffffffff) 12:26:32 executing program 4: syz_open_dev$ndb(&(0x7f0000000080), 0x0, 0x0) syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x141002) 12:26:32 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r1) sendmsg$NBD_CMD_DISCONNECT(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000000)=ANY=[@ANYBLOB='l\x00\x00\x00', @ANYRES16=r2, @ANYBLOB="01002dbd7000fddbdf25020000000c00030001000100", @ANYRES32, @ANYBLOB="0800014036ece3"], 0x6c}}, 0x0) [ 352.529648] nbd: couldn't find device at index 14937142 12:26:32 executing program 3: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) sendmsg$BATADV_CMD_GET_VLAN(0xffffffffffffffff, &(0x7f0000000100)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x2000000}, 0xc, &(0x7f00000000c0)={&(0x7f0000000080)={0x24, 0x0, 0x400, 0x70bd27, 0x25dfdbfd, {}, [@BATADV_ATTR_GW_SEL_CLASS={0x8, 0x34, 0x180000}, @BATADV_ATTR_AP_ISOLATION_ENABLED={0x5, 0x2a, 0x1}]}, 0x24}, 0x1, 0x0, 0x0, 0x4000085}, 0x0) r1 = socket$netlink(0x10, 0x3, 0x7) sendmsg$TIPC_CMD_SET_NETID(r1, &(0x7f0000000d80)={0x0, 0x0, &(0x7f0000000d40)={&(0x7f0000000d00)={0x24, 0x0, 0x0, 0x0, 0x0, {{}, {}, {0x8}}}, 0x24}}, 0x0) sendmsg$BATADV_CMD_GET_ROUTING_ALGOS(r1, &(0x7f0000000380)={&(0x7f00000002c0)={0x10, 0x0, 0x0, 0x2000000}, 0xc, &(0x7f0000000340)={&(0x7f0000000300)={0x24, 0x0, 0x100, 0x70bd26, 0x25dfdbfb, {}, [@BATADV_ATTR_DISTRIBUTED_ARP_TABLE_ENABLED={0x5, 0x2f, 0x1}, @BATADV_ATTR_MULTICAST_FORCEFLOOD_ENABLED={0x5}]}, 0x24}, 0x1, 0x0, 0x0, 0x4000000}, 0xc848) sendmsg$IPVS_CMD_SET_CONFIG(0xffffffffffffffff, &(0x7f0000000280)={&(0x7f0000000140)={0x10, 0x0, 0x0, 0x8a3e20353ab58a2e}, 0xc, &(0x7f0000000240)={&(0x7f0000000180)={0x94, 0x0, 0x10, 0x70bd28, 0x25dfdbfb, {}, [@IPVS_CMD_ATTR_TIMEOUT_TCP={0x8, 0x4, 0x1}, @IPVS_CMD_ATTR_DAEMON={0x1d, 0x3, 0x0, 0x1, [@IPVS_DAEMON_ATTR_SYNC_ID={0x8, 0x3, 0x1}, @IPVS_DAEMON_ATTR_MCAST_PORT={0x6, 0x7, 0x3}, @IPVS_DAEMON_ATTR_MCAST_GROUP={0x0, 0x5, @local}, @IPVS_DAEMON_ATTR_SYNC_MAXLEN={0x6, 0x4, 0x6}]}, @IPVS_CMD_ATTR_SERVICE={0x34, 0x1, 0x0, 0x1, [@IPVS_SVC_ATTR_FLAGS={0xc, 0x7, {0x5, 0x20}}, @IPVS_SVC_ATTR_PORT={0x6, 0x4, 0x4e23}, @IPVS_SVC_ATTR_SCHED_NAME={0x7, 0x6, 'fo\x00'}, @IPVS_SVC_ATTR_FLAGS={0xc, 0x7, {0x11, 0x4}}, @IPVS_SVC_ATTR_AF={0x0, 0x1, 0x2}]}, @IPVS_CMD_ATTR_TIMEOUT_TCP_FIN={0x8, 0x5, 0x10000}, @IPVS_CMD_ATTR_DAEMON={0x4}, @IPVS_CMD_ATTR_TIMEOUT_TCP_FIN={0x8, 0x5, 0x6}]}, 0x94}, 0x1, 0x0, 0x0, 0x240048c4}, 0x4) ioctl$NBD_SET_SOCK(r0, 0xab00, 0xffffffffffffffff) syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) (async) sendmsg$BATADV_CMD_GET_VLAN(0xffffffffffffffff, &(0x7f0000000100)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x2000000}, 0xc, &(0x7f00000000c0)={&(0x7f0000000080)={0x24, 0x0, 0x400, 0x70bd27, 0x25dfdbfd, {}, [@BATADV_ATTR_GW_SEL_CLASS={0x8, 0x34, 0x180000}, @BATADV_ATTR_AP_ISOLATION_ENABLED={0x5, 0x2a, 0x1}]}, 0x24}, 0x1, 0x0, 0x0, 0x4000085}, 0x0) (async) socket$netlink(0x10, 0x3, 0x7) (async) sendmsg$TIPC_CMD_SET_NETID(r1, &(0x7f0000000d80)={0x0, 0x0, &(0x7f0000000d40)={&(0x7f0000000d00)={0x24, 0x0, 0x0, 0x0, 0x0, {{}, {}, {0x8}}}, 0x24}}, 0x0) (async) sendmsg$BATADV_CMD_GET_ROUTING_ALGOS(r1, &(0x7f0000000380)={&(0x7f00000002c0)={0x10, 0x0, 0x0, 0x2000000}, 0xc, &(0x7f0000000340)={&(0x7f0000000300)={0x24, 0x0, 0x100, 0x70bd26, 0x25dfdbfb, {}, [@BATADV_ATTR_DISTRIBUTED_ARP_TABLE_ENABLED={0x5, 0x2f, 0x1}, @BATADV_ATTR_MULTICAST_FORCEFLOOD_ENABLED={0x5}]}, 0x24}, 0x1, 0x0, 0x0, 0x4000000}, 0xc848) (async) sendmsg$IPVS_CMD_SET_CONFIG(0xffffffffffffffff, &(0x7f0000000280)={&(0x7f0000000140)={0x10, 0x0, 0x0, 0x8a3e20353ab58a2e}, 0xc, &(0x7f0000000240)={&(0x7f0000000180)={0x94, 0x0, 0x10, 0x70bd28, 0x25dfdbfb, {}, [@IPVS_CMD_ATTR_TIMEOUT_TCP={0x8, 0x4, 0x1}, @IPVS_CMD_ATTR_DAEMON={0x1d, 0x3, 0x0, 0x1, [@IPVS_DAEMON_ATTR_SYNC_ID={0x8, 0x3, 0x1}, @IPVS_DAEMON_ATTR_MCAST_PORT={0x6, 0x7, 0x3}, @IPVS_DAEMON_ATTR_MCAST_GROUP={0x0, 0x5, @local}, @IPVS_DAEMON_ATTR_SYNC_MAXLEN={0x6, 0x4, 0x6}]}, @IPVS_CMD_ATTR_SERVICE={0x34, 0x1, 0x0, 0x1, [@IPVS_SVC_ATTR_FLAGS={0xc, 0x7, {0x5, 0x20}}, @IPVS_SVC_ATTR_PORT={0x6, 0x4, 0x4e23}, @IPVS_SVC_ATTR_SCHED_NAME={0x7, 0x6, 'fo\x00'}, @IPVS_SVC_ATTR_FLAGS={0xc, 0x7, {0x11, 0x4}}, @IPVS_SVC_ATTR_AF={0x0, 0x1, 0x2}]}, @IPVS_CMD_ATTR_TIMEOUT_TCP_FIN={0x8, 0x5, 0x10000}, @IPVS_CMD_ATTR_DAEMON={0x4}, @IPVS_CMD_ATTR_TIMEOUT_TCP_FIN={0x8, 0x5, 0x6}]}, 0x94}, 0x1, 0x0, 0x0, 0x240048c4}, 0x4) (async) ioctl$NBD_SET_SOCK(r0, 0xab00, 0xffffffffffffffff) (async) 12:26:32 executing program 0: ioctl$NBD_SET_SOCK(0xffffffffffffffff, 0xab00, 0xffffffffffffffff) 12:26:32 executing program 1: r0 = openat$null(0xffffffffffffff9c, &(0x7f0000000000), 0x4200, 0x0) ioctl$MEDIA_IOC_G_TOPOLOGY(r0, 0xc0487c04, &(0x7f0000000080)={0x0, 0x3, 0x0, &(0x7f0000000180)=[{}, {}, {}], 0xa, 0x0, &(0x7f0000000500)=[{}, {}, {}, {}, {}, {}, {}, {}, {}, {}], 0xa, 0x0, &(0x7f00000002c0)=[{}, {}, {}, {}, {}, {}, {}, {}, {}, {}], 0x8, 0x0, &(0x7f0000000980)=[{}, {}, {}, {}, {}, {}, {}, {}]}) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r3 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r2) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f00000004c0)=ANY=[@ANYBLOB='l\x00\x00\x00', @ANYRES16=r3, @ANYBLOB="01002dbd7000fddbdf25020000000c00030001000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB], 0x6c}}, 0x0) 12:26:32 executing program 5: syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x40b01) 12:26:32 executing program 4: syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x141002) 12:26:32 executing program 0: r0 = syz_open_dev$ndb(0x0, 0x0, 0x40b01) ioctl$NBD_SET_SOCK(r0, 0xab00, 0xffffffffffffffff) 12:26:32 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r1) sendmsg$NBD_CMD_DISCONNECT(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000000)=ANY=[@ANYBLOB='l\x00\x00\x00', @ANYRES16=r2, @ANYBLOB="01002dbd7000fddbdf25020000000c00030001000100", @ANYRES32, @ANYBLOB="0800014036ece36e"], 0x6c}}, 0x0) 12:26:32 executing program 1: r0 = openat$null(0xffffffffffffff9c, &(0x7f0000000000), 0x4200, 0x0) ioctl$MEDIA_IOC_G_TOPOLOGY(r0, 0xc0487c04, &(0x7f0000000080)={0x0, 0x3, 0x0, &(0x7f0000000180)=[{}, {}, {}], 0xa, 0x0, &(0x7f0000000500)=[{}, {}, {}, {}, {}, {}, {}, {}, {}, {}], 0xa, 0x0, &(0x7f00000002c0)=[{}, {}, {}, {}, {}, {}, {}, {}, {}, {}], 0x8, 0x0, &(0x7f0000000980)=[{}, {}, {}, {}, {}, {}, {}, {}]}) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r3 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r2) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f00000004c0)=ANY=[@ANYBLOB='l\x00\x00\x00', @ANYRES16=r3, @ANYBLOB="01002dbd7000fddbdf25020000000c00030001000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB], 0x6c}}, 0x0) openat$null(0xffffffffffffff9c, &(0x7f0000000000), 0x4200, 0x0) (async) ioctl$MEDIA_IOC_G_TOPOLOGY(r0, 0xc0487c04, &(0x7f0000000080)={0x0, 0x3, 0x0, &(0x7f0000000180)=[{}, {}, {}], 0xa, 0x0, &(0x7f0000000500)=[{}, {}, {}, {}, {}, {}, {}, {}, {}, {}], 0xa, 0x0, &(0x7f00000002c0)=[{}, {}, {}, {}, {}, {}, {}, {}, {}, {}], 0x8, 0x0, &(0x7f0000000980)=[{}, {}, {}, {}, {}, {}, {}, {}]}) (async) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r2) (async) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f00000004c0)=ANY=[@ANYBLOB='l\x00\x00\x00', @ANYRES16=r3, @ANYBLOB="01002dbd7000fddbdf25020000000c00030001000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB], 0x6c}}, 0x0) (async) [ 352.634935] nbd: couldn't find device at index 14937142 [ 352.674912] nbd: couldn't find device at index -1 12:26:32 executing program 3: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) r1 = openat$vcsa(0xffffffffffffff9c, &(0x7f00000004c0), 0x40, 0x0) syz_open_dev$ndb(&(0x7f0000000340), 0x0, 0x200000) ioctl$VFIO_IOMMU_MAP_DMA(r1, 0x3b71, &(0x7f0000000600)={0x20, 0x2, &(0x7f0000000500)="3eeb64f4d48008a83d389177e55c64497462259e26b10faf690bc7d987113ef06aaa722d3b4ff433bfb6e88eb0b52a8ea27ae007cd9900415f0063d8a637a1e773522f09283c975019f804b3205e077707547a8093b5e5faf830362f138092b768369ca83808a0c79d4bdcf2c1081ea0fb7a97de368210eb511413e2b36c71de5aeb8020fe1e740c0cae39bf7c86a731fa44c0331addb4305222b273cad51636daf2df9f33054a82e6824475f7863527c40033055cbbcf0a9fcd19c8bc4eca4d3fa553823362c2ec92eb562c1b21", 0x5, 0xc8e6}) ioctl$NBD_SET_SOCK(r0, 0xab00, 0xffffffffffffffff) r2 = openat$null(0xffffffffffffff9c, &(0x7f0000000040), 0x8000, 0x0) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NL802154_CMD_SET_CCA_ED_LEVEL(r3, &(0x7f0000000b40)={&(0x7f0000000a80), 0xc, &(0x7f0000000b00)={&(0x7f0000000ac0)=ANY=[@ANYBLOB="14000000", @ANYRES16=0x0, @ANYBLOB="0900000084efd2f667432b9b0000"], 0x14}}, 0x0) r4 = syz_genetlink_get_family_id$nbd(&(0x7f0000000200), 0xffffffffffffffff) r5 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NL802154_CMD_SET_CCA_ED_LEVEL(r5, &(0x7f0000000b40)={&(0x7f0000000a80), 0xc, &(0x7f0000000b00)={&(0x7f0000000ac0)={0x14, 0x0, 0x1}, 0x14}}, 0x0) sendmsg$NL802154_CMD_NEW_SEC_KEY(r5, &(0x7f0000000480)={&(0x7f0000000300)={0x10, 0x0, 0x0, 0x40000}, 0xc, &(0x7f0000000440)={&(0x7f0000000640)={0x1d0, 0x0, 0x8, 0x70bd26, 0x25dfdbfb, {}, [@NL802154_ATTR_WPAN_DEV={0xc}, @NL802154_ATTR_IFINDEX={0x8}, @NL802154_ATTR_WPAN_DEV={0xc, 0x6, 0x100000001}, @NL802154_ATTR_SEC_KEY={0x19c, 0x25, 0x0, 0x1, [@NL802154_KEY_ATTR_USAGE_CMDS={0x24, 0x3, "d38169f53c7b658766831f9527ca08eab9aabdeb6d986c895ac6758c7d1a0d4a"}, @NL802154_KEY_ATTR_ID={0xf0, 0x1, 0x0, 0x1, [@NL802154_KEY_ID_ATTR_SOURCE_SHORT={0x8, 0x4, 0x33}, @NL802154_KEY_ID_ATTR_IMPLICIT={0x44, 0x3, 0x0, 0x1, [@NL802154_DEV_ADDR_ATTR_SHORT={0x6, 0x3, 0xfffe}, @NL802154_DEV_ADDR_ATTR_EXTENDED={0xc, 0x4, {0xaaaaaaaaaaaa0302}}, @NL802154_DEV_ADDR_ATTR_MODE={0x8, 0x2, 0x2}, @NL802154_DEV_ADDR_ATTR_MODE={0x8}, @NL802154_DEV_ADDR_ATTR_SHORT={0x6}, @NL802154_DEV_ADDR_ATTR_MODE={0x8, 0x2, 0x2}, @NL802154_DEV_ADDR_ATTR_EXTENDED={0xc}]}, @NL802154_KEY_ID_ATTR_IMPLICIT={0x50, 0x3, 0x0, 0x1, [@NL802154_DEV_ADDR_ATTR_EXTENDED={0xc}, @NL802154_DEV_ADDR_ATTR_EXTENDED={0xc, 0x4, {0x300}}, @NL802154_DEV_ADDR_ATTR_EXTENDED={0xc, 0x4, {0xaaaaaaaaaaaa0302}}, @NL802154_DEV_ADDR_ATTR_EXTENDED={0xc, 0x4, {0xaaaaaaaaaaaa0302}}, @NL802154_DEV_ADDR_ATTR_SHORT={0x6, 0x3, 0x555f}, @NL802154_DEV_ADDR_ATTR_EXTENDED={0xc, 0x4, {0xaaaaaaaaaaaa0102}}, @NL802154_DEV_ADDR_ATTR_PAN_ID={0x6}]}, @NL802154_KEY_ID_ATTR_MODE={0x8, 0x1, 0x3}, @NL802154_KEY_ID_ATTR_INDEX={0x5, 0x2, 0x2}, @NL802154_KEY_ID_ATTR_SOURCE_SHORT={0x8, 0x4, 0xd792}, @NL802154_KEY_ID_ATTR_INDEX={0x5}, @NL802154_KEY_ID_ATTR_MODE={0x8, 0x1, 0x3}, @NL802154_KEY_ID_ATTR_IMPLICIT={0x20, 0x3, 0x0, 0x1, [@NL802154_DEV_ADDR_ATTR_EXTENDED={0xc}, @NL802154_DEV_ADDR_ATTR_MODE={0x8}, @NL802154_DEV_ADDR_ATTR_PAN_ID={0x6, 0x1, 0x1}]}, @NL802154_KEY_ID_ATTR_MODE={0x8, 0x1, 0x1}]}, @NL802154_KEY_ATTR_USAGE_FRAMES={0x5, 0x2, 0x8f}, @NL802154_KEY_ATTR_ID={0x7c, 0x1, 0x0, 0x1, [@NL802154_KEY_ID_ATTR_SOURCE_SHORT={0x8, 0x4, 0x100}, @NL802154_KEY_ID_ATTR_SOURCE_SHORT={0x8, 0x4, 0x1}, @NL802154_KEY_ID_ATTR_IMPLICIT={0x68, 0x3, 0x0, 0x1, [@NL802154_DEV_ADDR_ATTR_EXTENDED={0xc, 0x4, {0xaaaaaaaaaaaa0302}}, @NL802154_DEV_ADDR_ATTR_SHORT={0x6, 0x3, 0xaaa0}, @NL802154_DEV_ADDR_ATTR_EXTENDED={0xc, 0x4, {0xaaaaaaaaaaaa0302}}, @NL802154_DEV_ADDR_ATTR_MODE={0x8, 0x2, 0x2}, @NL802154_DEV_ADDR_ATTR_EXTENDED={0xc, 0x4, {0xaaaaaaaaaaaa0002}}, @NL802154_DEV_ADDR_ATTR_MODE={0x8, 0x2, 0x3}, @NL802154_DEV_ADDR_ATTR_EXTENDED={0xc, 0x4, {0xaaaaaaaaaaaa0002}}, @NL802154_DEV_ADDR_ATTR_SHORT={0x6, 0x3, 0xaaa0}, @NL802154_DEV_ADDR_ATTR_SHORT={0x6}, @NL802154_DEV_ADDR_ATTR_EXTENDED={0xc}]}]}]}]}, 0x1d0}, 0x1, 0x0, 0x0, 0x2000c000}, 0x20) sendmsg$NBD_CMD_RECONFIGURE(r3, &(0x7f00000002c0)={&(0x7f0000000180)={0x10, 0x0, 0x0, 0x10000000}, 0xc, &(0x7f0000000280)={&(0x7f0000000240)={0x20, r4, 0x100, 0x70bd29, 0x25dfdbfd, {}, [@NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0xffffffffffffffff}]}, 0x20}, 0x1, 0x0, 0x0, 0x84}, 0x4040801) sendmsg$TIPC_CMD_GET_REMOTE_MNG(r2, &(0x7f0000000140)={&(0x7f0000000080)={0x10, 0x0, 0x0, 0x2}, 0xc, &(0x7f0000000100)={&(0x7f00000000c0)={0x1c, 0x0, 0x1, 0x70bd25, 0x25dfdbfd, {}, ["", "", "", "", ""]}, 0x1c}, 0x1, 0x0, 0x0, 0x24000000}, 0x10) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f00000001c0)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r2, 0xab00, r6) 12:26:32 executing program 5: syz_open_dev$ndb(0x0, 0x0, 0x40b01) 12:26:32 executing program 4: syz_open_dev$ndb(0x0, 0x0, 0x141002) 12:26:32 executing program 0: r0 = syz_open_dev$ndb(0x0, 0x0, 0x40b01) ioctl$NBD_SET_SOCK(r0, 0xab00, 0xffffffffffffffff) 12:26:32 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r1) sendmsg$NBD_CMD_DISCONNECT(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000000)=ANY=[@ANYBLOB='l\x00\x00\x00', @ANYRES16=r2, @ANYBLOB="01002dbd7000fddbdf25020000000c00030001000100", @ANYRES32, @ANYBLOB="0800014036ece3"], 0x6c}}, 0x0) 12:26:32 executing program 5: syz_open_dev$ndb(0x0, 0x0, 0x40b01) 12:26:32 executing program 0: r0 = syz_open_dev$ndb(0x0, 0x0, 0x40b01) ioctl$NBD_SET_SOCK(r0, 0xab00, 0xffffffffffffffff) [ 352.727095] nbd: couldn't find device at index 1860430902 [ 352.766122] nbd: couldn't find device at index -1 12:26:32 executing program 3: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) r1 = openat$vcsa(0xffffffffffffff9c, &(0x7f00000004c0), 0x40, 0x0) syz_open_dev$ndb(&(0x7f0000000340), 0x0, 0x200000) ioctl$VFIO_IOMMU_MAP_DMA(r1, 0x3b71, &(0x7f0000000600)={0x20, 0x2, &(0x7f0000000500)="3eeb64f4d48008a83d389177e55c64497462259e26b10faf690bc7d987113ef06aaa722d3b4ff433bfb6e88eb0b52a8ea27ae007cd9900415f0063d8a637a1e773522f09283c975019f804b3205e077707547a8093b5e5faf830362f138092b768369ca83808a0c79d4bdcf2c1081ea0fb7a97de368210eb511413e2b36c71de5aeb8020fe1e740c0cae39bf7c86a731fa44c0331addb4305222b273cad51636daf2df9f33054a82e6824475f7863527c40033055cbbcf0a9fcd19c8bc4eca4d3fa553823362c2ec92eb562c1b21", 0x5, 0xc8e6}) ioctl$NBD_SET_SOCK(r0, 0xab00, 0xffffffffffffffff) r2 = openat$null(0xffffffffffffff9c, &(0x7f0000000040), 0x8000, 0x0) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NL802154_CMD_SET_CCA_ED_LEVEL(r3, &(0x7f0000000b40)={&(0x7f0000000a80), 0xc, &(0x7f0000000b00)={&(0x7f0000000ac0)=ANY=[@ANYBLOB="14000000", @ANYRES16=0x0, @ANYBLOB="0900000084efd2f667432b9b0000"], 0x14}}, 0x0) r4 = syz_genetlink_get_family_id$nbd(&(0x7f0000000200), 0xffffffffffffffff) r5 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NL802154_CMD_SET_CCA_ED_LEVEL(r5, &(0x7f0000000b40)={&(0x7f0000000a80), 0xc, &(0x7f0000000b00)={&(0x7f0000000ac0)={0x14, 0x0, 0x1}, 0x14}}, 0x0) sendmsg$NL802154_CMD_NEW_SEC_KEY(r5, &(0x7f0000000480)={&(0x7f0000000300)={0x10, 0x0, 0x0, 0x40000}, 0xc, &(0x7f0000000440)={&(0x7f0000000640)={0x1d0, 0x0, 0x8, 0x70bd26, 0x25dfdbfb, {}, [@NL802154_ATTR_WPAN_DEV={0xc}, @NL802154_ATTR_IFINDEX={0x8}, @NL802154_ATTR_WPAN_DEV={0xc, 0x6, 0x100000001}, @NL802154_ATTR_SEC_KEY={0x19c, 0x25, 0x0, 0x1, [@NL802154_KEY_ATTR_USAGE_CMDS={0x24, 0x3, "d38169f53c7b658766831f9527ca08eab9aabdeb6d986c895ac6758c7d1a0d4a"}, @NL802154_KEY_ATTR_ID={0xf0, 0x1, 0x0, 0x1, [@NL802154_KEY_ID_ATTR_SOURCE_SHORT={0x8, 0x4, 0x33}, @NL802154_KEY_ID_ATTR_IMPLICIT={0x44, 0x3, 0x0, 0x1, [@NL802154_DEV_ADDR_ATTR_SHORT={0x6, 0x3, 0xfffe}, @NL802154_DEV_ADDR_ATTR_EXTENDED={0xc, 0x4, {0xaaaaaaaaaaaa0302}}, @NL802154_DEV_ADDR_ATTR_MODE={0x8, 0x2, 0x2}, @NL802154_DEV_ADDR_ATTR_MODE={0x8}, @NL802154_DEV_ADDR_ATTR_SHORT={0x6}, @NL802154_DEV_ADDR_ATTR_MODE={0x8, 0x2, 0x2}, @NL802154_DEV_ADDR_ATTR_EXTENDED={0xc}]}, @NL802154_KEY_ID_ATTR_IMPLICIT={0x50, 0x3, 0x0, 0x1, [@NL802154_DEV_ADDR_ATTR_EXTENDED={0xc}, @NL802154_DEV_ADDR_ATTR_EXTENDED={0xc, 0x4, {0x300}}, @NL802154_DEV_ADDR_ATTR_EXTENDED={0xc, 0x4, {0xaaaaaaaaaaaa0302}}, @NL802154_DEV_ADDR_ATTR_EXTENDED={0xc, 0x4, {0xaaaaaaaaaaaa0302}}, @NL802154_DEV_ADDR_ATTR_SHORT={0x6, 0x3, 0x555f}, @NL802154_DEV_ADDR_ATTR_EXTENDED={0xc, 0x4, {0xaaaaaaaaaaaa0102}}, @NL802154_DEV_ADDR_ATTR_PAN_ID={0x6}]}, @NL802154_KEY_ID_ATTR_MODE={0x8, 0x1, 0x3}, @NL802154_KEY_ID_ATTR_INDEX={0x5, 0x2, 0x2}, @NL802154_KEY_ID_ATTR_SOURCE_SHORT={0x8, 0x4, 0xd792}, @NL802154_KEY_ID_ATTR_INDEX={0x5}, @NL802154_KEY_ID_ATTR_MODE={0x8, 0x1, 0x3}, @NL802154_KEY_ID_ATTR_IMPLICIT={0x20, 0x3, 0x0, 0x1, [@NL802154_DEV_ADDR_ATTR_EXTENDED={0xc}, @NL802154_DEV_ADDR_ATTR_MODE={0x8}, @NL802154_DEV_ADDR_ATTR_PAN_ID={0x6, 0x1, 0x1}]}, @NL802154_KEY_ID_ATTR_MODE={0x8, 0x1, 0x1}]}, @NL802154_KEY_ATTR_USAGE_FRAMES={0x5, 0x2, 0x8f}, @NL802154_KEY_ATTR_ID={0x7c, 0x1, 0x0, 0x1, [@NL802154_KEY_ID_ATTR_SOURCE_SHORT={0x8, 0x4, 0x100}, @NL802154_KEY_ID_ATTR_SOURCE_SHORT={0x8, 0x4, 0x1}, @NL802154_KEY_ID_ATTR_IMPLICIT={0x68, 0x3, 0x0, 0x1, [@NL802154_DEV_ADDR_ATTR_EXTENDED={0xc, 0x4, {0xaaaaaaaaaaaa0302}}, @NL802154_DEV_ADDR_ATTR_SHORT={0x6, 0x3, 0xaaa0}, @NL802154_DEV_ADDR_ATTR_EXTENDED={0xc, 0x4, {0xaaaaaaaaaaaa0302}}, @NL802154_DEV_ADDR_ATTR_MODE={0x8, 0x2, 0x2}, @NL802154_DEV_ADDR_ATTR_EXTENDED={0xc, 0x4, {0xaaaaaaaaaaaa0002}}, @NL802154_DEV_ADDR_ATTR_MODE={0x8, 0x2, 0x3}, @NL802154_DEV_ADDR_ATTR_EXTENDED={0xc, 0x4, {0xaaaaaaaaaaaa0002}}, @NL802154_DEV_ADDR_ATTR_SHORT={0x6, 0x3, 0xaaa0}, @NL802154_DEV_ADDR_ATTR_SHORT={0x6}, @NL802154_DEV_ADDR_ATTR_EXTENDED={0xc}]}]}]}]}, 0x1d0}, 0x1, 0x0, 0x0, 0x2000c000}, 0x20) sendmsg$NBD_CMD_RECONFIGURE(r3, &(0x7f00000002c0)={&(0x7f0000000180)={0x10, 0x0, 0x0, 0x10000000}, 0xc, &(0x7f0000000280)={&(0x7f0000000240)={0x20, r4, 0x100, 0x70bd29, 0x25dfdbfd, {}, [@NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0xffffffffffffffff}]}, 0x20}, 0x1, 0x0, 0x0, 0x84}, 0x4040801) sendmsg$TIPC_CMD_GET_REMOTE_MNG(r2, &(0x7f0000000140)={&(0x7f0000000080)={0x10, 0x0, 0x0, 0x2}, 0xc, &(0x7f0000000100)={&(0x7f00000000c0)={0x1c, 0x0, 0x1, 0x70bd25, 0x25dfdbfd, {}, ["", "", "", "", ""]}, 0x1c}, 0x1, 0x0, 0x0, 0x24000000}, 0x10) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f00000001c0)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r2, 0xab00, r6) syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) (async) openat$vcsa(0xffffffffffffff9c, &(0x7f00000004c0), 0x40, 0x0) (async) syz_open_dev$ndb(&(0x7f0000000340), 0x0, 0x200000) (async) ioctl$VFIO_IOMMU_MAP_DMA(r1, 0x3b71, &(0x7f0000000600)={0x20, 0x2, &(0x7f0000000500)="3eeb64f4d48008a83d389177e55c64497462259e26b10faf690bc7d987113ef06aaa722d3b4ff433bfb6e88eb0b52a8ea27ae007cd9900415f0063d8a637a1e773522f09283c975019f804b3205e077707547a8093b5e5faf830362f138092b768369ca83808a0c79d4bdcf2c1081ea0fb7a97de368210eb511413e2b36c71de5aeb8020fe1e740c0cae39bf7c86a731fa44c0331addb4305222b273cad51636daf2df9f33054a82e6824475f7863527c40033055cbbcf0a9fcd19c8bc4eca4d3fa553823362c2ec92eb562c1b21", 0x5, 0xc8e6}) (async) ioctl$NBD_SET_SOCK(r0, 0xab00, 0xffffffffffffffff) (async) openat$null(0xffffffffffffff9c, &(0x7f0000000040), 0x8000, 0x0) (async) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) sendmsg$NL802154_CMD_SET_CCA_ED_LEVEL(r3, &(0x7f0000000b40)={&(0x7f0000000a80), 0xc, &(0x7f0000000b00)={&(0x7f0000000ac0)=ANY=[@ANYBLOB="14000000", @ANYRES16=0x0, @ANYBLOB="0900000084efd2f667432b9b0000"], 0x14}}, 0x0) (async) syz_genetlink_get_family_id$nbd(&(0x7f0000000200), 0xffffffffffffffff) (async) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) sendmsg$NL802154_CMD_SET_CCA_ED_LEVEL(r5, &(0x7f0000000b40)={&(0x7f0000000a80), 0xc, &(0x7f0000000b00)={&(0x7f0000000ac0)={0x14, 0x0, 0x1}, 0x14}}, 0x0) (async) sendmsg$NL802154_CMD_NEW_SEC_KEY(r5, &(0x7f0000000480)={&(0x7f0000000300)={0x10, 0x0, 0x0, 0x40000}, 0xc, &(0x7f0000000440)={&(0x7f0000000640)={0x1d0, 0x0, 0x8, 0x70bd26, 0x25dfdbfb, {}, [@NL802154_ATTR_WPAN_DEV={0xc}, @NL802154_ATTR_IFINDEX={0x8}, @NL802154_ATTR_WPAN_DEV={0xc, 0x6, 0x100000001}, @NL802154_ATTR_SEC_KEY={0x19c, 0x25, 0x0, 0x1, [@NL802154_KEY_ATTR_USAGE_CMDS={0x24, 0x3, "d38169f53c7b658766831f9527ca08eab9aabdeb6d986c895ac6758c7d1a0d4a"}, @NL802154_KEY_ATTR_ID={0xf0, 0x1, 0x0, 0x1, [@NL802154_KEY_ID_ATTR_SOURCE_SHORT={0x8, 0x4, 0x33}, @NL802154_KEY_ID_ATTR_IMPLICIT={0x44, 0x3, 0x0, 0x1, [@NL802154_DEV_ADDR_ATTR_SHORT={0x6, 0x3, 0xfffe}, @NL802154_DEV_ADDR_ATTR_EXTENDED={0xc, 0x4, {0xaaaaaaaaaaaa0302}}, @NL802154_DEV_ADDR_ATTR_MODE={0x8, 0x2, 0x2}, @NL802154_DEV_ADDR_ATTR_MODE={0x8}, @NL802154_DEV_ADDR_ATTR_SHORT={0x6}, @NL802154_DEV_ADDR_ATTR_MODE={0x8, 0x2, 0x2}, @NL802154_DEV_ADDR_ATTR_EXTENDED={0xc}]}, @NL802154_KEY_ID_ATTR_IMPLICIT={0x50, 0x3, 0x0, 0x1, [@NL802154_DEV_ADDR_ATTR_EXTENDED={0xc}, @NL802154_DEV_ADDR_ATTR_EXTENDED={0xc, 0x4, {0x300}}, @NL802154_DEV_ADDR_ATTR_EXTENDED={0xc, 0x4, {0xaaaaaaaaaaaa0302}}, @NL802154_DEV_ADDR_ATTR_EXTENDED={0xc, 0x4, {0xaaaaaaaaaaaa0302}}, @NL802154_DEV_ADDR_ATTR_SHORT={0x6, 0x3, 0x555f}, @NL802154_DEV_ADDR_ATTR_EXTENDED={0xc, 0x4, {0xaaaaaaaaaaaa0102}}, @NL802154_DEV_ADDR_ATTR_PAN_ID={0x6}]}, @NL802154_KEY_ID_ATTR_MODE={0x8, 0x1, 0x3}, @NL802154_KEY_ID_ATTR_INDEX={0x5, 0x2, 0x2}, @NL802154_KEY_ID_ATTR_SOURCE_SHORT={0x8, 0x4, 0xd792}, @NL802154_KEY_ID_ATTR_INDEX={0x5}, @NL802154_KEY_ID_ATTR_MODE={0x8, 0x1, 0x3}, @NL802154_KEY_ID_ATTR_IMPLICIT={0x20, 0x3, 0x0, 0x1, [@NL802154_DEV_ADDR_ATTR_EXTENDED={0xc}, @NL802154_DEV_ADDR_ATTR_MODE={0x8}, @NL802154_DEV_ADDR_ATTR_PAN_ID={0x6, 0x1, 0x1}]}, @NL802154_KEY_ID_ATTR_MODE={0x8, 0x1, 0x1}]}, @NL802154_KEY_ATTR_USAGE_FRAMES={0x5, 0x2, 0x8f}, @NL802154_KEY_ATTR_ID={0x7c, 0x1, 0x0, 0x1, [@NL802154_KEY_ID_ATTR_SOURCE_SHORT={0x8, 0x4, 0x100}, @NL802154_KEY_ID_ATTR_SOURCE_SHORT={0x8, 0x4, 0x1}, @NL802154_KEY_ID_ATTR_IMPLICIT={0x68, 0x3, 0x0, 0x1, [@NL802154_DEV_ADDR_ATTR_EXTENDED={0xc, 0x4, {0xaaaaaaaaaaaa0302}}, @NL802154_DEV_ADDR_ATTR_SHORT={0x6, 0x3, 0xaaa0}, @NL802154_DEV_ADDR_ATTR_EXTENDED={0xc, 0x4, {0xaaaaaaaaaaaa0302}}, @NL802154_DEV_ADDR_ATTR_MODE={0x8, 0x2, 0x2}, @NL802154_DEV_ADDR_ATTR_EXTENDED={0xc, 0x4, {0xaaaaaaaaaaaa0002}}, @NL802154_DEV_ADDR_ATTR_MODE={0x8, 0x2, 0x3}, @NL802154_DEV_ADDR_ATTR_EXTENDED={0xc, 0x4, {0xaaaaaaaaaaaa0002}}, @NL802154_DEV_ADDR_ATTR_SHORT={0x6, 0x3, 0xaaa0}, @NL802154_DEV_ADDR_ATTR_SHORT={0x6}, @NL802154_DEV_ADDR_ATTR_EXTENDED={0xc}]}]}]}]}, 0x1d0}, 0x1, 0x0, 0x0, 0x2000c000}, 0x20) (async) sendmsg$NBD_CMD_RECONFIGURE(r3, &(0x7f00000002c0)={&(0x7f0000000180)={0x10, 0x0, 0x0, 0x10000000}, 0xc, &(0x7f0000000280)={&(0x7f0000000240)={0x20, r4, 0x100, 0x70bd29, 0x25dfdbfd, {}, [@NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0xffffffffffffffff}]}, 0x20}, 0x1, 0x0, 0x0, 0x84}, 0x4040801) (async) sendmsg$TIPC_CMD_GET_REMOTE_MNG(r2, &(0x7f0000000140)={&(0x7f0000000080)={0x10, 0x0, 0x0, 0x2}, 0xc, &(0x7f0000000100)={&(0x7f00000000c0)={0x1c, 0x0, 0x1, 0x70bd25, 0x25dfdbfd, {}, ["", "", "", "", ""]}, 0x1c}, 0x1, 0x0, 0x0, 0x24000000}, 0x10) (async) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f00000001c0)) (async) ioctl$NBD_SET_SOCK(r2, 0xab00, r6) (async) 12:26:32 executing program 4: syz_open_dev$ndb(0x0, 0x0, 0x141002) [ 352.812989] nbd: couldn't find device at index -1 12:26:32 executing program 5: syz_open_dev$ndb(0x0, 0x0, 0x40b01) 12:26:32 executing program 0: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, 0xffffffffffffffff) 12:26:32 executing program 1: r0 = openat$null(0xffffffffffffff9c, &(0x7f0000000000), 0x4200, 0x0) ioctl$MEDIA_IOC_G_TOPOLOGY(r0, 0xc0487c04, &(0x7f0000000080)={0x0, 0x3, 0x0, &(0x7f0000000180)=[{}, {}, {}], 0xa, 0x0, &(0x7f0000000500)=[{}, {}, {}, {}, {}, {}, {}, {}, {}, {}], 0xa, 0x0, &(0x7f00000002c0)=[{}, {}, {}, {}, {}, {}, {}, {}, {}, {}], 0x8, 0x0, &(0x7f0000000980)=[{}, {}, {}, {}, {}, {}, {}, {}]}) (async) 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$nbd(&(0x7f0000000040), r2) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f00000004c0)=ANY=[@ANYBLOB='l\x00\x00\x00', @ANYRES16=r3, @ANYBLOB="01002dbd7000fddbdf25020000000c00030001000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB], 0x6c}}, 0x0) 12:26:32 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r1) sendmsg$NBD_CMD_DISCONNECT(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000000)=ANY=[@ANYBLOB='l\x00\x00\x00', @ANYRES16=r2, @ANYBLOB="01002dbd7000fddbdf25020000000c00030001000100", @ANYRES32, @ANYBLOB="0800014036ece3"], 0x6c}}, 0x0) 12:26:32 executing program 4: syz_open_dev$ndb(0x0, 0x0, 0x141002) [ 352.835984] nbd: couldn't find device at index 14937142 12:26:32 executing program 3: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) r1 = openat$vcsa(0xffffffffffffff9c, &(0x7f00000004c0), 0x40, 0x0) syz_open_dev$ndb(&(0x7f0000000340), 0x0, 0x200000) ioctl$VFIO_IOMMU_MAP_DMA(r1, 0x3b71, &(0x7f0000000600)={0x20, 0x2, &(0x7f0000000500)="3eeb64f4d48008a83d389177e55c64497462259e26b10faf690bc7d987113ef06aaa722d3b4ff433bfb6e88eb0b52a8ea27ae007cd9900415f0063d8a637a1e773522f09283c975019f804b3205e077707547a8093b5e5faf830362f138092b768369ca83808a0c79d4bdcf2c1081ea0fb7a97de368210eb511413e2b36c71de5aeb8020fe1e740c0cae39bf7c86a731fa44c0331addb4305222b273cad51636daf2df9f33054a82e6824475f7863527c40033055cbbcf0a9fcd19c8bc4eca4d3fa553823362c2ec92eb562c1b21", 0x5, 0xc8e6}) ioctl$NBD_SET_SOCK(r0, 0xab00, 0xffffffffffffffff) r2 = openat$null(0xffffffffffffff9c, &(0x7f0000000040), 0x8000, 0x0) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NL802154_CMD_SET_CCA_ED_LEVEL(r3, &(0x7f0000000b40)={&(0x7f0000000a80), 0xc, &(0x7f0000000b00)={&(0x7f0000000ac0)=ANY=[@ANYBLOB="14000000", @ANYRES16=0x0, @ANYBLOB="0900000084efd2f667432b9b0000"], 0x14}}, 0x0) r4 = syz_genetlink_get_family_id$nbd(&(0x7f0000000200), 0xffffffffffffffff) r5 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NL802154_CMD_SET_CCA_ED_LEVEL(r5, &(0x7f0000000b40)={&(0x7f0000000a80), 0xc, &(0x7f0000000b00)={&(0x7f0000000ac0)={0x14, 0x0, 0x1}, 0x14}}, 0x0) sendmsg$NL802154_CMD_NEW_SEC_KEY(r5, &(0x7f0000000480)={&(0x7f0000000300)={0x10, 0x0, 0x0, 0x40000}, 0xc, &(0x7f0000000440)={&(0x7f0000000640)={0x1d0, 0x0, 0x8, 0x70bd26, 0x25dfdbfb, {}, [@NL802154_ATTR_WPAN_DEV={0xc}, @NL802154_ATTR_IFINDEX={0x8}, @NL802154_ATTR_WPAN_DEV={0xc, 0x6, 0x100000001}, @NL802154_ATTR_SEC_KEY={0x19c, 0x25, 0x0, 0x1, [@NL802154_KEY_ATTR_USAGE_CMDS={0x24, 0x3, "d38169f53c7b658766831f9527ca08eab9aabdeb6d986c895ac6758c7d1a0d4a"}, @NL802154_KEY_ATTR_ID={0xf0, 0x1, 0x0, 0x1, [@NL802154_KEY_ID_ATTR_SOURCE_SHORT={0x8, 0x4, 0x33}, @NL802154_KEY_ID_ATTR_IMPLICIT={0x44, 0x3, 0x0, 0x1, [@NL802154_DEV_ADDR_ATTR_SHORT={0x6, 0x3, 0xfffe}, @NL802154_DEV_ADDR_ATTR_EXTENDED={0xc, 0x4, {0xaaaaaaaaaaaa0302}}, @NL802154_DEV_ADDR_ATTR_MODE={0x8, 0x2, 0x2}, @NL802154_DEV_ADDR_ATTR_MODE={0x8}, @NL802154_DEV_ADDR_ATTR_SHORT={0x6}, @NL802154_DEV_ADDR_ATTR_MODE={0x8, 0x2, 0x2}, @NL802154_DEV_ADDR_ATTR_EXTENDED={0xc}]}, @NL802154_KEY_ID_ATTR_IMPLICIT={0x50, 0x3, 0x0, 0x1, [@NL802154_DEV_ADDR_ATTR_EXTENDED={0xc}, @NL802154_DEV_ADDR_ATTR_EXTENDED={0xc, 0x4, {0x300}}, @NL802154_DEV_ADDR_ATTR_EXTENDED={0xc, 0x4, {0xaaaaaaaaaaaa0302}}, @NL802154_DEV_ADDR_ATTR_EXTENDED={0xc, 0x4, {0xaaaaaaaaaaaa0302}}, @NL802154_DEV_ADDR_ATTR_SHORT={0x6, 0x3, 0x555f}, @NL802154_DEV_ADDR_ATTR_EXTENDED={0xc, 0x4, {0xaaaaaaaaaaaa0102}}, @NL802154_DEV_ADDR_ATTR_PAN_ID={0x6}]}, @NL802154_KEY_ID_ATTR_MODE={0x8, 0x1, 0x3}, @NL802154_KEY_ID_ATTR_INDEX={0x5, 0x2, 0x2}, @NL802154_KEY_ID_ATTR_SOURCE_SHORT={0x8, 0x4, 0xd792}, @NL802154_KEY_ID_ATTR_INDEX={0x5}, @NL802154_KEY_ID_ATTR_MODE={0x8, 0x1, 0x3}, @NL802154_KEY_ID_ATTR_IMPLICIT={0x20, 0x3, 0x0, 0x1, [@NL802154_DEV_ADDR_ATTR_EXTENDED={0xc}, @NL802154_DEV_ADDR_ATTR_MODE={0x8}, @NL802154_DEV_ADDR_ATTR_PAN_ID={0x6, 0x1, 0x1}]}, @NL802154_KEY_ID_ATTR_MODE={0x8, 0x1, 0x1}]}, @NL802154_KEY_ATTR_USAGE_FRAMES={0x5, 0x2, 0x8f}, @NL802154_KEY_ATTR_ID={0x7c, 0x1, 0x0, 0x1, [@NL802154_KEY_ID_ATTR_SOURCE_SHORT={0x8, 0x4, 0x100}, @NL802154_KEY_ID_ATTR_SOURCE_SHORT={0x8, 0x4, 0x1}, @NL802154_KEY_ID_ATTR_IMPLICIT={0x68, 0x3, 0x0, 0x1, [@NL802154_DEV_ADDR_ATTR_EXTENDED={0xc, 0x4, {0xaaaaaaaaaaaa0302}}, @NL802154_DEV_ADDR_ATTR_SHORT={0x6, 0x3, 0xaaa0}, @NL802154_DEV_ADDR_ATTR_EXTENDED={0xc, 0x4, {0xaaaaaaaaaaaa0302}}, @NL802154_DEV_ADDR_ATTR_MODE={0x8, 0x2, 0x2}, @NL802154_DEV_ADDR_ATTR_EXTENDED={0xc, 0x4, {0xaaaaaaaaaaaa0002}}, @NL802154_DEV_ADDR_ATTR_MODE={0x8, 0x2, 0x3}, @NL802154_DEV_ADDR_ATTR_EXTENDED={0xc, 0x4, {0xaaaaaaaaaaaa0002}}, @NL802154_DEV_ADDR_ATTR_SHORT={0x6, 0x3, 0xaaa0}, @NL802154_DEV_ADDR_ATTR_SHORT={0x6}, @NL802154_DEV_ADDR_ATTR_EXTENDED={0xc}]}]}]}]}, 0x1d0}, 0x1, 0x0, 0x0, 0x2000c000}, 0x20) sendmsg$NBD_CMD_RECONFIGURE(r3, &(0x7f00000002c0)={&(0x7f0000000180)={0x10, 0x0, 0x0, 0x10000000}, 0xc, &(0x7f0000000280)={&(0x7f0000000240)={0x20, r4, 0x100, 0x70bd29, 0x25dfdbfd, {}, [@NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0xffffffffffffffff}]}, 0x20}, 0x1, 0x0, 0x0, 0x84}, 0x4040801) sendmsg$TIPC_CMD_GET_REMOTE_MNG(r2, &(0x7f0000000140)={&(0x7f0000000080)={0x10, 0x0, 0x0, 0x2}, 0xc, &(0x7f0000000100)={&(0x7f00000000c0)={0x1c, 0x0, 0x1, 0x70bd25, 0x25dfdbfd, {}, ["", "", "", "", ""]}, 0x1c}, 0x1, 0x0, 0x0, 0x24000000}, 0x10) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f00000001c0)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r2, 0xab00, r6) syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) (async) openat$vcsa(0xffffffffffffff9c, &(0x7f00000004c0), 0x40, 0x0) (async) syz_open_dev$ndb(&(0x7f0000000340), 0x0, 0x200000) (async) ioctl$VFIO_IOMMU_MAP_DMA(r1, 0x3b71, &(0x7f0000000600)={0x20, 0x2, &(0x7f0000000500)="3eeb64f4d48008a83d389177e55c64497462259e26b10faf690bc7d987113ef06aaa722d3b4ff433bfb6e88eb0b52a8ea27ae007cd9900415f0063d8a637a1e773522f09283c975019f804b3205e077707547a8093b5e5faf830362f138092b768369ca83808a0c79d4bdcf2c1081ea0fb7a97de368210eb511413e2b36c71de5aeb8020fe1e740c0cae39bf7c86a731fa44c0331addb4305222b273cad51636daf2df9f33054a82e6824475f7863527c40033055cbbcf0a9fcd19c8bc4eca4d3fa553823362c2ec92eb562c1b21", 0x5, 0xc8e6}) (async) ioctl$NBD_SET_SOCK(r0, 0xab00, 0xffffffffffffffff) (async) openat$null(0xffffffffffffff9c, &(0x7f0000000040), 0x8000, 0x0) (async) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) sendmsg$NL802154_CMD_SET_CCA_ED_LEVEL(r3, &(0x7f0000000b40)={&(0x7f0000000a80), 0xc, &(0x7f0000000b00)={&(0x7f0000000ac0)=ANY=[@ANYBLOB="14000000", @ANYRES16=0x0, @ANYBLOB="0900000084efd2f667432b9b0000"], 0x14}}, 0x0) (async) syz_genetlink_get_family_id$nbd(&(0x7f0000000200), 0xffffffffffffffff) (async) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) sendmsg$NL802154_CMD_SET_CCA_ED_LEVEL(r5, &(0x7f0000000b40)={&(0x7f0000000a80), 0xc, &(0x7f0000000b00)={&(0x7f0000000ac0)={0x14, 0x0, 0x1}, 0x14}}, 0x0) (async) sendmsg$NL802154_CMD_NEW_SEC_KEY(r5, &(0x7f0000000480)={&(0x7f0000000300)={0x10, 0x0, 0x0, 0x40000}, 0xc, &(0x7f0000000440)={&(0x7f0000000640)={0x1d0, 0x0, 0x8, 0x70bd26, 0x25dfdbfb, {}, [@NL802154_ATTR_WPAN_DEV={0xc}, @NL802154_ATTR_IFINDEX={0x8}, @NL802154_ATTR_WPAN_DEV={0xc, 0x6, 0x100000001}, @NL802154_ATTR_SEC_KEY={0x19c, 0x25, 0x0, 0x1, [@NL802154_KEY_ATTR_USAGE_CMDS={0x24, 0x3, "d38169f53c7b658766831f9527ca08eab9aabdeb6d986c895ac6758c7d1a0d4a"}, @NL802154_KEY_ATTR_ID={0xf0, 0x1, 0x0, 0x1, [@NL802154_KEY_ID_ATTR_SOURCE_SHORT={0x8, 0x4, 0x33}, @NL802154_KEY_ID_ATTR_IMPLICIT={0x44, 0x3, 0x0, 0x1, [@NL802154_DEV_ADDR_ATTR_SHORT={0x6, 0x3, 0xfffe}, @NL802154_DEV_ADDR_ATTR_EXTENDED={0xc, 0x4, {0xaaaaaaaaaaaa0302}}, @NL802154_DEV_ADDR_ATTR_MODE={0x8, 0x2, 0x2}, @NL802154_DEV_ADDR_ATTR_MODE={0x8}, @NL802154_DEV_ADDR_ATTR_SHORT={0x6}, @NL802154_DEV_ADDR_ATTR_MODE={0x8, 0x2, 0x2}, @NL802154_DEV_ADDR_ATTR_EXTENDED={0xc}]}, @NL802154_KEY_ID_ATTR_IMPLICIT={0x50, 0x3, 0x0, 0x1, [@NL802154_DEV_ADDR_ATTR_EXTENDED={0xc}, @NL802154_DEV_ADDR_ATTR_EXTENDED={0xc, 0x4, {0x300}}, @NL802154_DEV_ADDR_ATTR_EXTENDED={0xc, 0x4, {0xaaaaaaaaaaaa0302}}, @NL802154_DEV_ADDR_ATTR_EXTENDED={0xc, 0x4, {0xaaaaaaaaaaaa0302}}, @NL802154_DEV_ADDR_ATTR_SHORT={0x6, 0x3, 0x555f}, @NL802154_DEV_ADDR_ATTR_EXTENDED={0xc, 0x4, {0xaaaaaaaaaaaa0102}}, @NL802154_DEV_ADDR_ATTR_PAN_ID={0x6}]}, @NL802154_KEY_ID_ATTR_MODE={0x8, 0x1, 0x3}, @NL802154_KEY_ID_ATTR_INDEX={0x5, 0x2, 0x2}, @NL802154_KEY_ID_ATTR_SOURCE_SHORT={0x8, 0x4, 0xd792}, @NL802154_KEY_ID_ATTR_INDEX={0x5}, @NL802154_KEY_ID_ATTR_MODE={0x8, 0x1, 0x3}, @NL802154_KEY_ID_ATTR_IMPLICIT={0x20, 0x3, 0x0, 0x1, [@NL802154_DEV_ADDR_ATTR_EXTENDED={0xc}, @NL802154_DEV_ADDR_ATTR_MODE={0x8}, @NL802154_DEV_ADDR_ATTR_PAN_ID={0x6, 0x1, 0x1}]}, @NL802154_KEY_ID_ATTR_MODE={0x8, 0x1, 0x1}]}, @NL802154_KEY_ATTR_USAGE_FRAMES={0x5, 0x2, 0x8f}, @NL802154_KEY_ATTR_ID={0x7c, 0x1, 0x0, 0x1, [@NL802154_KEY_ID_ATTR_SOURCE_SHORT={0x8, 0x4, 0x100}, @NL802154_KEY_ID_ATTR_SOURCE_SHORT={0x8, 0x4, 0x1}, @NL802154_KEY_ID_ATTR_IMPLICIT={0x68, 0x3, 0x0, 0x1, [@NL802154_DEV_ADDR_ATTR_EXTENDED={0xc, 0x4, {0xaaaaaaaaaaaa0302}}, @NL802154_DEV_ADDR_ATTR_SHORT={0x6, 0x3, 0xaaa0}, @NL802154_DEV_ADDR_ATTR_EXTENDED={0xc, 0x4, {0xaaaaaaaaaaaa0302}}, @NL802154_DEV_ADDR_ATTR_MODE={0x8, 0x2, 0x2}, @NL802154_DEV_ADDR_ATTR_EXTENDED={0xc, 0x4, {0xaaaaaaaaaaaa0002}}, @NL802154_DEV_ADDR_ATTR_MODE={0x8, 0x2, 0x3}, @NL802154_DEV_ADDR_ATTR_EXTENDED={0xc, 0x4, {0xaaaaaaaaaaaa0002}}, @NL802154_DEV_ADDR_ATTR_SHORT={0x6, 0x3, 0xaaa0}, @NL802154_DEV_ADDR_ATTR_SHORT={0x6}, @NL802154_DEV_ADDR_ATTR_EXTENDED={0xc}]}]}]}]}, 0x1d0}, 0x1, 0x0, 0x0, 0x2000c000}, 0x20) (async) sendmsg$NBD_CMD_RECONFIGURE(r3, &(0x7f00000002c0)={&(0x7f0000000180)={0x10, 0x0, 0x0, 0x10000000}, 0xc, &(0x7f0000000280)={&(0x7f0000000240)={0x20, r4, 0x100, 0x70bd29, 0x25dfdbfd, {}, [@NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0xffffffffffffffff}]}, 0x20}, 0x1, 0x0, 0x0, 0x84}, 0x4040801) (async) sendmsg$TIPC_CMD_GET_REMOTE_MNG(r2, &(0x7f0000000140)={&(0x7f0000000080)={0x10, 0x0, 0x0, 0x2}, 0xc, &(0x7f0000000100)={&(0x7f00000000c0)={0x1c, 0x0, 0x1, 0x70bd25, 0x25dfdbfd, {}, ["", "", "", "", ""]}, 0x1c}, 0x1, 0x0, 0x0, 0x24000000}, 0x10) (async) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f00000001c0)) (async) ioctl$NBD_SET_SOCK(r2, 0xab00, r6) (async) 12:26:32 executing program 5: syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) 12:26:32 executing program 4: syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) 12:26:32 executing program 0: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, 0xffffffffffffffff) 12:26:32 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r1) sendmsg$NBD_CMD_DISCONNECT(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000000)=ANY=[@ANYBLOB='l\x00\x00\x00', @ANYRES16=r2, @ANYBLOB="01002dbd7000fddbdf25020000000c00030001000100", @ANYRES32, @ANYBLOB="0800014036ece3"], 0x6c}}, 0x0) 12:26:32 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) ioctl$sock_SIOCGIFINDEX_802154(r0, 0x8933, &(0x7f0000000000)={'wpan4\x00'}) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r1) sendmsg$NBD_CMD_DISCONNECT(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f00000004c0)=ANY=[@ANYBLOB='l\x00\x00\x00', @ANYRES16=r2, @ANYBLOB="01002dbd7000fddbdf25020000000c00030001000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB], 0x6c}}, 0x0) 12:26:32 executing program 5: syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) [ 352.914815] nbd: couldn't find device at index 14937142 [ 352.924713] nbd: couldn't find device at index -1 12:26:32 executing program 0: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, 0xffffffffffffffff) 12:26:32 executing program 5: syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) 12:26:32 executing program 3: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, 0xffffffffffffffff) r1 = syz_genetlink_get_family_id$ipvs(&(0x7f0000000080), 0xffffffffffffffff) sendmsg$IPVS_CMD_GET_INFO(0xffffffffffffffff, &(0x7f0000000180)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x8}, 0xc, &(0x7f0000000140)={&(0x7f00000000c0)={0x74, r1, 0x1, 0x70bd2b, 0x25dfdbfe, {}, [@IPVS_CMD_ATTR_TIMEOUT_TCP_FIN={0x8, 0x5, 0x10000}, @IPVS_CMD_ATTR_TIMEOUT_UDP={0x8}, @IPVS_CMD_ATTR_TIMEOUT_TCP_FIN={0x8, 0x5, 0x9}, @IPVS_CMD_ATTR_SERVICE={0x38, 0x1, 0x0, 0x1, [@IPVS_SVC_ATTR_FWMARK={0x8}, @IPVS_SVC_ATTR_FLAGS={0xc, 0x7, {0x2, 0x10}}, @IPVS_SVC_ATTR_ADDR={0x14, 0x3, @ipv6=@private2}, @IPVS_SVC_ATTR_SCHED_NAME={0x9, 0x6, 'none\x00'}]}, @IPVS_CMD_ATTR_TIMEOUT_TCP={0x8, 0x4, 0x7}, @IPVS_CMD_ATTR_TIMEOUT_UDP={0x8, 0x6, 0x8001}]}, 0x74}, 0x1, 0x0, 0x0, 0x40000}, 0x80) 12:26:32 executing program 4: syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) 12:26:32 executing program 0: syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x40b01) ioctl$NBD_SET_SOCK(0xffffffffffffffff, 0xab00, 0xffffffffffffffff) 12:26:32 executing program 5: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) r1 = openat$vcsa(0xffffffffffffff9c, &(0x7f00000004c0), 0x40, 0x0) syz_open_dev$ndb(&(0x7f0000000340), 0x0, 0x200000) ioctl$VFIO_IOMMU_MAP_DMA(r1, 0x3b71, &(0x7f0000000600)={0x20, 0x2, &(0x7f0000000500)="3eeb64f4d48008a83d389177e55c64497462259e26b10faf690bc7d987113ef06aaa722d3b4ff433bfb6e88eb0b52a8ea27ae007cd9900415f0063d8a637a1e773522f09283c975019f804b3205e077707547a8093b5e5faf830362f138092b768369ca83808a0c79d4bdcf2c1081ea0fb7a97de368210eb511413e2b36c71de5aeb8020fe1e740c0cae39bf7c86a731fa44c0331addb4305222b273cad51636daf2df9f33054a82e6824475f7863527c40033055cbbcf0a9fcd19c8bc4eca4d3fa553823362c2ec92eb562c1b21", 0x5, 0xc8e6}) ioctl$NBD_SET_SOCK(r0, 0xab00, 0xffffffffffffffff) r2 = openat$null(0xffffffffffffff9c, &(0x7f0000000040), 0x8000, 0x0) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NL802154_CMD_SET_CCA_ED_LEVEL(r3, &(0x7f0000000b40)={&(0x7f0000000a80), 0xc, &(0x7f0000000b00)={&(0x7f0000000ac0)=ANY=[@ANYBLOB="14000000", @ANYRES16=0x0, @ANYBLOB="0900000084efd2f667432b9b0000"], 0x14}}, 0x0) r4 = syz_genetlink_get_family_id$nbd(&(0x7f0000000200), 0xffffffffffffffff) r5 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NL802154_CMD_SET_CCA_ED_LEVEL(r5, &(0x7f0000000b40)={&(0x7f0000000a80), 0xc, &(0x7f0000000b00)={&(0x7f0000000ac0)={0x14, 0x0, 0x1}, 0x14}}, 0x0) sendmsg$NL802154_CMD_NEW_SEC_KEY(r5, &(0x7f0000000480)={&(0x7f0000000300)={0x10, 0x0, 0x0, 0x40000}, 0xc, &(0x7f0000000440)={&(0x7f0000000640)={0x1d0, 0x0, 0x8, 0x70bd26, 0x25dfdbfb, {}, [@NL802154_ATTR_WPAN_DEV={0xc}, @NL802154_ATTR_IFINDEX={0x8}, @NL802154_ATTR_WPAN_DEV={0xc, 0x6, 0x100000001}, @NL802154_ATTR_SEC_KEY={0x19c, 0x25, 0x0, 0x1, [@NL802154_KEY_ATTR_USAGE_CMDS={0x24, 0x3, "d38169f53c7b658766831f9527ca08eab9aabdeb6d986c895ac6758c7d1a0d4a"}, @NL802154_KEY_ATTR_ID={0xf0, 0x1, 0x0, 0x1, [@NL802154_KEY_ID_ATTR_SOURCE_SHORT={0x8, 0x4, 0x33}, @NL802154_KEY_ID_ATTR_IMPLICIT={0x44, 0x3, 0x0, 0x1, [@NL802154_DEV_ADDR_ATTR_SHORT={0x6, 0x3, 0xfffe}, @NL802154_DEV_ADDR_ATTR_EXTENDED={0xc, 0x4, {0xaaaaaaaaaaaa0302}}, @NL802154_DEV_ADDR_ATTR_MODE={0x8, 0x2, 0x2}, @NL802154_DEV_ADDR_ATTR_MODE={0x8}, @NL802154_DEV_ADDR_ATTR_SHORT={0x6}, @NL802154_DEV_ADDR_ATTR_MODE={0x8, 0x2, 0x2}, @NL802154_DEV_ADDR_ATTR_EXTENDED={0xc}]}, @NL802154_KEY_ID_ATTR_IMPLICIT={0x50, 0x3, 0x0, 0x1, [@NL802154_DEV_ADDR_ATTR_EXTENDED={0xc}, @NL802154_DEV_ADDR_ATTR_EXTENDED={0xc, 0x4, {0x300}}, @NL802154_DEV_ADDR_ATTR_EXTENDED={0xc, 0x4, {0xaaaaaaaaaaaa0302}}, @NL802154_DEV_ADDR_ATTR_EXTENDED={0xc, 0x4, {0xaaaaaaaaaaaa0302}}, @NL802154_DEV_ADDR_ATTR_SHORT={0x6, 0x3, 0x555f}, @NL802154_DEV_ADDR_ATTR_EXTENDED={0xc, 0x4, {0xaaaaaaaaaaaa0102}}, @NL802154_DEV_ADDR_ATTR_PAN_ID={0x6}]}, @NL802154_KEY_ID_ATTR_MODE={0x8, 0x1, 0x3}, @NL802154_KEY_ID_ATTR_INDEX={0x5, 0x2, 0x2}, @NL802154_KEY_ID_ATTR_SOURCE_SHORT={0x8, 0x4, 0xd792}, @NL802154_KEY_ID_ATTR_INDEX={0x5}, @NL802154_KEY_ID_ATTR_MODE={0x8, 0x1, 0x3}, @NL802154_KEY_ID_ATTR_IMPLICIT={0x20, 0x3, 0x0, 0x1, [@NL802154_DEV_ADDR_ATTR_EXTENDED={0xc}, @NL802154_DEV_ADDR_ATTR_MODE={0x8}, @NL802154_DEV_ADDR_ATTR_PAN_ID={0x6, 0x1, 0x1}]}, @NL802154_KEY_ID_ATTR_MODE={0x8, 0x1, 0x1}]}, @NL802154_KEY_ATTR_USAGE_FRAMES={0x5, 0x2, 0x8f}, @NL802154_KEY_ATTR_ID={0x7c, 0x1, 0x0, 0x1, [@NL802154_KEY_ID_ATTR_SOURCE_SHORT={0x8, 0x4, 0x100}, @NL802154_KEY_ID_ATTR_SOURCE_SHORT={0x8, 0x4, 0x1}, @NL802154_KEY_ID_ATTR_IMPLICIT={0x68, 0x3, 0x0, 0x1, [@NL802154_DEV_ADDR_ATTR_EXTENDED={0xc, 0x4, {0xaaaaaaaaaaaa0302}}, @NL802154_DEV_ADDR_ATTR_SHORT={0x6, 0x3, 0xaaa0}, @NL802154_DEV_ADDR_ATTR_EXTENDED={0xc, 0x4, {0xaaaaaaaaaaaa0302}}, @NL802154_DEV_ADDR_ATTR_MODE={0x8, 0x2, 0x2}, @NL802154_DEV_ADDR_ATTR_EXTENDED={0xc, 0x4, {0xaaaaaaaaaaaa0002}}, @NL802154_DEV_ADDR_ATTR_MODE={0x8, 0x2, 0x3}, @NL802154_DEV_ADDR_ATTR_EXTENDED={0xc, 0x4, {0xaaaaaaaaaaaa0002}}, @NL802154_DEV_ADDR_ATTR_SHORT={0x6, 0x3, 0xaaa0}, @NL802154_DEV_ADDR_ATTR_SHORT={0x6}, @NL802154_DEV_ADDR_ATTR_EXTENDED={0xc}]}]}]}]}, 0x1d0}, 0x1, 0x0, 0x0, 0x2000c000}, 0x20) sendmsg$NBD_CMD_RECONFIGURE(r3, &(0x7f00000002c0)={&(0x7f0000000180)={0x10, 0x0, 0x0, 0x10000000}, 0xc, &(0x7f0000000280)={&(0x7f0000000240)={0x20, r4, 0x100, 0x70bd29, 0x25dfdbfd, {}, [@NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0xffffffffffffffff}]}, 0x20}, 0x1, 0x0, 0x0, 0x84}, 0x4040801) sendmsg$TIPC_CMD_GET_REMOTE_MNG(r2, &(0x7f0000000140)={&(0x7f0000000080)={0x10, 0x0, 0x0, 0x2}, 0xc, &(0x7f0000000100)={&(0x7f00000000c0)={0x1c, 0x0, 0x1, 0x70bd25, 0x25dfdbfd, {}, ["", "", "", "", ""]}, 0x1c}, 0x1, 0x0, 0x0, 0x24000000}, 0x10) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f00000001c0)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r2, 0xab00, r6) 12:26:32 executing program 3: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, 0xffffffffffffffff) r1 = syz_genetlink_get_family_id$ipvs(&(0x7f0000000080), 0xffffffffffffffff) sendmsg$IPVS_CMD_GET_INFO(0xffffffffffffffff, &(0x7f0000000180)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x8}, 0xc, &(0x7f0000000140)={&(0x7f00000000c0)={0x74, r1, 0x1, 0x70bd2b, 0x25dfdbfe, {}, [@IPVS_CMD_ATTR_TIMEOUT_TCP_FIN={0x8, 0x5, 0x10000}, @IPVS_CMD_ATTR_TIMEOUT_UDP={0x8}, @IPVS_CMD_ATTR_TIMEOUT_TCP_FIN={0x8, 0x5, 0x9}, @IPVS_CMD_ATTR_SERVICE={0x38, 0x1, 0x0, 0x1, [@IPVS_SVC_ATTR_FWMARK={0x8}, @IPVS_SVC_ATTR_FLAGS={0xc, 0x7, {0x2, 0x10}}, @IPVS_SVC_ATTR_ADDR={0x14, 0x3, @ipv6=@private2}, @IPVS_SVC_ATTR_SCHED_NAME={0x9, 0x6, 'none\x00'}]}, @IPVS_CMD_ATTR_TIMEOUT_TCP={0x8, 0x4, 0x7}, @IPVS_CMD_ATTR_TIMEOUT_UDP={0x8, 0x6, 0x8001}]}, 0x74}, 0x1, 0x0, 0x0, 0x40000}, 0x80) 12:26:32 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r1) sendmsg$NBD_CMD_DISCONNECT(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000000)=ANY=[@ANYBLOB='l\x00\x00\x00', @ANYRES16=r2, @ANYBLOB="01002dbd7000fddbdf25020000000c00030001000100", @ANYBLOB="0800014036ece36e"], 0x6c}}, 0x0) 12:26:32 executing program 4: syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) [ 353.042763] nbd: couldn't find device at index 14937142 12:26:32 executing program 3: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, 0xffffffffffffffff) r1 = syz_genetlink_get_family_id$ipvs(&(0x7f0000000080), 0xffffffffffffffff) sendmsg$IPVS_CMD_GET_INFO(0xffffffffffffffff, &(0x7f0000000180)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x8}, 0xc, &(0x7f0000000140)={&(0x7f00000000c0)={0x74, r1, 0x1, 0x70bd2b, 0x25dfdbfe, {}, [@IPVS_CMD_ATTR_TIMEOUT_TCP_FIN={0x8, 0x5, 0x10000}, @IPVS_CMD_ATTR_TIMEOUT_UDP={0x8}, @IPVS_CMD_ATTR_TIMEOUT_TCP_FIN={0x8, 0x5, 0x9}, @IPVS_CMD_ATTR_SERVICE={0x38, 0x1, 0x0, 0x1, [@IPVS_SVC_ATTR_FWMARK={0x8}, @IPVS_SVC_ATTR_FLAGS={0xc, 0x7, {0x2, 0x10}}, @IPVS_SVC_ATTR_ADDR={0x14, 0x3, @ipv6=@private2}, @IPVS_SVC_ATTR_SCHED_NAME={0x9, 0x6, 'none\x00'}]}, @IPVS_CMD_ATTR_TIMEOUT_TCP={0x8, 0x4, 0x7}, @IPVS_CMD_ATTR_TIMEOUT_UDP={0x8, 0x6, 0x8001}]}, 0x74}, 0x1, 0x0, 0x0, 0x40000}, 0x80) syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) (async) ioctl$NBD_SET_SOCK(r0, 0xab00, 0xffffffffffffffff) (async) syz_genetlink_get_family_id$ipvs(&(0x7f0000000080), 0xffffffffffffffff) (async) sendmsg$IPVS_CMD_GET_INFO(0xffffffffffffffff, &(0x7f0000000180)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x8}, 0xc, &(0x7f0000000140)={&(0x7f00000000c0)={0x74, r1, 0x1, 0x70bd2b, 0x25dfdbfe, {}, [@IPVS_CMD_ATTR_TIMEOUT_TCP_FIN={0x8, 0x5, 0x10000}, @IPVS_CMD_ATTR_TIMEOUT_UDP={0x8}, @IPVS_CMD_ATTR_TIMEOUT_TCP_FIN={0x8, 0x5, 0x9}, @IPVS_CMD_ATTR_SERVICE={0x38, 0x1, 0x0, 0x1, [@IPVS_SVC_ATTR_FWMARK={0x8}, @IPVS_SVC_ATTR_FLAGS={0xc, 0x7, {0x2, 0x10}}, @IPVS_SVC_ATTR_ADDR={0x14, 0x3, @ipv6=@private2}, @IPVS_SVC_ATTR_SCHED_NAME={0x9, 0x6, 'none\x00'}]}, @IPVS_CMD_ATTR_TIMEOUT_TCP={0x8, 0x4, 0x7}, @IPVS_CMD_ATTR_TIMEOUT_UDP={0x8, 0x6, 0x8001}]}, 0x74}, 0x1, 0x0, 0x0, 0x40000}, 0x80) (async) [ 353.104519] nbd: couldn't find device at index -1 12:26:32 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) ioctl$sock_SIOCGIFINDEX_802154(r0, 0x8933, &(0x7f0000000000)={'wpan4\x00'}) (async) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r1) sendmsg$NBD_CMD_DISCONNECT(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f00000004c0)=ANY=[@ANYBLOB='l\x00\x00\x00', @ANYRES16=r2, @ANYBLOB="01002dbd7000fddbdf25020000000c00030001000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB], 0x6c}}, 0x0) 12:26:32 executing program 5: syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) 12:26:32 executing program 4: r0 = openat$null(0xffffffffffffff9c, &(0x7f0000000000), 0x4200, 0x0) ioctl$MEDIA_IOC_G_TOPOLOGY(r0, 0xc0487c04, &(0x7f0000000080)={0x0, 0x3, 0x0, &(0x7f0000000180)=[{}, {}, {}], 0xa, 0x0, &(0x7f0000000500)=[{}, {}, {}, {}, {}, {}, {}, {}, {}, {}], 0xa, 0x0, &(0x7f00000002c0)=[{}, {}, {}, {}, {}, {}, {}, {}, {}, {}], 0x8, 0x0, &(0x7f0000000980)=[{}, {}, {}, {}, {}, {}, {}, {}]}) 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$nbd(&(0x7f0000000040), r2) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f00000004c0)=ANY=[@ANYBLOB='l\x00\x00\x00', @ANYRES16=r3, @ANYBLOB="01002dbd7000fddbdf25020000000c00030001000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB], 0x6c}}, 0x0) 12:26:32 executing program 0: syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x40b01) ioctl$NBD_SET_SOCK(0xffffffffffffffff, 0xab00, 0xffffffffffffffff) [ 353.128396] nbd: must specify an index to disconnect 12:26:32 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r1) sendmsg$NBD_CMD_DISCONNECT(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000000)=ANY=[@ANYBLOB='l\x00\x00\x00', @ANYRES16=r2, @ANYBLOB="01002dbd7000fddbdf25020000000c00030001000100", @ANYBLOB="0800014036ece36e"], 0x6c}}, 0x0) 12:26:32 executing program 3: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, 0xffffffffffffffff) sendmsg$NBD_CMD_STATUS(0xffffffffffffffff, &(0x7f0000000140)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x80000}, 0xc, &(0x7f0000000100)={&(0x7f0000000080)=ANY=[@ANYBLOB='h\x00\x00\x00', @ANYRES16=0x0, @ANYBLOB="000125bd7000ffdbdf25050000000c00050002000000000000000c00060003000000000000080c0003007f000000000000000c00080004000000000000000c0005e3baf842e0ab322fd9fc7c12c0a60006000000000000000c000400000000000000"], 0x68}, 0x1, 0x0, 0x0, 0x1}, 0x0) r1 = openat$vcsa(0xffffffffffffff9c, &(0x7f0000000180), 0x30340, 0x0) sendmsg$TIPC_CMD_GET_MEDIA_NAMES(r1, &(0x7f0000000280)={&(0x7f00000001c0)={0x10, 0x0, 0x0, 0x10000000}, 0xc, &(0x7f0000000240)={&(0x7f0000000200)={0x1c, 0x0, 0x100, 0x70bd2a, 0x25dfdbfb, {}, ["", "", "", "", ""]}, 0x1c}}, 0x4000) 12:26:32 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r1) sendmsg$NBD_CMD_DISCONNECT(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000000)=ANY=[@ANYBLOB='l\x00\x00\x00', @ANYRES16=r2, @ANYBLOB="01002dbd7000fddbdf25020000000c00030001000100", @ANYRES32, @ANYBLOB="0800014036ece3"], 0x6c}}, 0x0) [ 353.200756] nbd: couldn't find device at index -1 12:26:32 executing program 0: syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x40b01) ioctl$NBD_SET_SOCK(0xffffffffffffffff, 0xab00, 0xffffffffffffffff) 12:26:32 executing program 4: r0 = getpid() sched_getparam(r0, &(0x7f00000006c0)) r1 = openat$null(0xffffffffffffff9c, 0x0, 0x0, 0x0) mmap$perf(&(0x7f0000ffe000/0x2000)=nil, 0x2000, 0x0, 0x10, r1, 0x0) perf_event_open(&(0x7f0000000240)={0x5, 0x80, 0x1, 0x20, 0x4, 0x0, 0x0, 0x40, 0x20100, 0x1, 0x1, 0x0, 0x1, 0x1, 0x0, 0x1, 0x1, 0x1, 0x1, 0x0, 0x1, 0x0, 0x1, 0x0, 0x1, 0x1, 0x1, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1, 0x0, 0x1, 0x1, 0x1, 0x1, 0x0, 0x0, 0x0, 0x1, 0x1, 0x0, 0x1, 0x0, 0x0, 0x5, 0x2, @perf_config_ext={0x7fff}, 0x8002, 0x5, 0x6, 0x4, 0x5, 0x6, 0x7f, 0x0, 0x8, 0x0, 0x2}, r0, 0xa, r1, 0x3) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r4 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r3) ioctl$sock_SIOCGIFINDEX_802154(r2, 0x8933, &(0x7f0000000000)={'wpan1\x00'}) sendmsg$NBD_CMD_DISCONNECT(r2, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f00000004c0)=ANY=[@ANYBLOB='l\x00\x00\x00', @ANYRES16=r3, @ANYBLOB="01002dbd7000fddbdf25020000000c00030001000100", @ANYRES8=r2, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB], 0x6c}, 0x1, 0x0, 0x0, 0x4004084}, 0x0) r5 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_DISCONNECT(r5, &(0x7f0000000200)={&(0x7f0000000080)={0x10, 0x0, 0x0, 0x10000002}, 0xc, &(0x7f00000000c0)={&(0x7f0000000180)={0x58, r4, 0x800, 0x70bd2d, 0x25dfdbfc, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x100}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x2}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x9}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x5}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc}, @NBD_ATTR_BACKEND_IDENTIFIER={0x5, 0xa, '%'}]}, 0x58}, 0x1, 0x0, 0x0, 0x48810}, 0x8000) 12:26:32 executing program 3: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, 0xffffffffffffffff) sendmsg$NBD_CMD_STATUS(0xffffffffffffffff, &(0x7f0000000140)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x80000}, 0xc, &(0x7f0000000100)={&(0x7f0000000080)=ANY=[@ANYBLOB='h\x00\x00\x00', @ANYRES16=0x0, @ANYBLOB="000125bd7000ffdbdf25050000000c00050002000000000000000c00060003000000000000080c0003007f000000000000000c00080004000000000000000c0005e3baf842e0ab322fd9fc7c12c0a60006000000000000000c000400000000000000"], 0x68}, 0x1, 0x0, 0x0, 0x1}, 0x0) r1 = openat$vcsa(0xffffffffffffff9c, &(0x7f0000000180), 0x30340, 0x0) sendmsg$TIPC_CMD_GET_MEDIA_NAMES(r1, &(0x7f0000000280)={&(0x7f00000001c0)={0x10, 0x0, 0x0, 0x10000000}, 0xc, &(0x7f0000000240)={&(0x7f0000000200)={0x1c, 0x0, 0x100, 0x70bd2a, 0x25dfdbfb, {}, ["", "", "", "", ""]}, 0x1c}}, 0x4000) syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) (async) ioctl$NBD_SET_SOCK(r0, 0xab00, 0xffffffffffffffff) (async) sendmsg$NBD_CMD_STATUS(0xffffffffffffffff, &(0x7f0000000140)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x80000}, 0xc, &(0x7f0000000100)={&(0x7f0000000080)=ANY=[@ANYBLOB='h\x00\x00\x00', @ANYRES16=0x0, @ANYBLOB="000125bd7000ffdbdf25050000000c00050002000000000000000c00060003000000000000080c0003007f000000000000000c00080004000000000000000c0005e3baf842e0ab322fd9fc7c12c0a60006000000000000000c000400000000000000"], 0x68}, 0x1, 0x0, 0x0, 0x1}, 0x0) (async) openat$vcsa(0xffffffffffffff9c, &(0x7f0000000180), 0x30340, 0x0) (async) sendmsg$TIPC_CMD_GET_MEDIA_NAMES(r1, &(0x7f0000000280)={&(0x7f00000001c0)={0x10, 0x0, 0x0, 0x10000000}, 0xc, &(0x7f0000000240)={&(0x7f0000000200)={0x1c, 0x0, 0x100, 0x70bd2a, 0x25dfdbfb, {}, ["", "", "", "", ""]}, 0x1c}}, 0x4000) (async) 12:26:32 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) ioctl$sock_SIOCGIFINDEX_802154(r0, 0x8933, &(0x7f0000000000)={'wpan4\x00'}) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r1) sendmsg$NBD_CMD_DISCONNECT(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f00000004c0)=ANY=[@ANYBLOB='l\x00\x00\x00', @ANYRES16=r2, @ANYBLOB="01002dbd7000fddbdf25020000000c00030001000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB], 0x6c}}, 0x0) 12:26:32 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r1) sendmsg$NBD_CMD_DISCONNECT(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000000)=ANY=[@ANYBLOB='l\x00\x00\x00', @ANYRES16=r2, @ANYBLOB="01002dbd7000fddbdf25020000000c00030001000100", @ANYRES32, @ANYBLOB="0800014036ece3"], 0x6c}}, 0x0) 12:26:32 executing program 0: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, 0xffffffffffffffff) sendmsg$NBD_CMD_STATUS(0xffffffffffffffff, &(0x7f0000000140)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x80000}, 0xc, &(0x7f0000000100)={&(0x7f0000000080)=ANY=[@ANYBLOB='h\x00\x00\x00', @ANYRES16=0x0, @ANYBLOB="000125bd7000ffdbdf25050000000c00050002000000000000000c00060003000000000000080c0003007f000000000000000c00080004000000000000000c0005e3baf842e0ab322fd9fc7c12c0a60006000000000000000c000400000000000000"], 0x68}, 0x1, 0x0, 0x0, 0x1}, 0x0) r1 = openat$vcsa(0xffffffffffffff9c, &(0x7f0000000180), 0x30340, 0x0) sendmsg$TIPC_CMD_GET_MEDIA_NAMES(r1, &(0x7f0000000280)={&(0x7f00000001c0)={0x10, 0x0, 0x0, 0x10000000}, 0xc, &(0x7f0000000240)={&(0x7f0000000200)={0x1c, 0x0, 0x100, 0x70bd2a, 0x25dfdbfb, {}, ["", "", "", "", ""]}, 0x1c}}, 0x4000) [ 353.224558] nbd: couldn't find device at index -1 [ 353.241636] nbd: couldn't find device at index 14937142 [ 353.264556] nbd: must specify an index to disconnect 12:26:32 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r1) sendmsg$NBD_CMD_DISCONNECT(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000000)=ANY=[@ANYBLOB='l\x00\x00\x00', @ANYRES16=r2, @ANYBLOB="01002dbd7000fddbdf25020000000c00030001000100", @ANYRES32, @ANYBLOB="0800014036ec"], 0x6c}}, 0x0) 12:26:32 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r1) sendmsg$NBD_CMD_DISCONNECT(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000000)=ANY=[@ANYBLOB='l\x00\x00\x00', @ANYRES16=r2, @ANYBLOB="01002dbd7000fddbdf25020000000c00030001000100", @ANYBLOB="0800014036ece36e"], 0x6c}}, 0x0) 12:26:32 executing program 3: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, 0xffffffffffffffff) sendmsg$NBD_CMD_STATUS(0xffffffffffffffff, &(0x7f0000000140)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x80000}, 0xc, &(0x7f0000000100)={&(0x7f0000000080)=ANY=[@ANYBLOB='h\x00\x00\x00', @ANYRES16=0x0, @ANYBLOB="000125bd7000ffdbdf25050000000c00050002000000000000000c00060003000000000000080c0003007f000000000000000c00080004000000000000000c0005e3baf842e0ab322fd9fc7c12c0a60006000000000000000c000400000000000000"], 0x68}, 0x1, 0x0, 0x0, 0x1}, 0x0) r1 = openat$vcsa(0xffffffffffffff9c, &(0x7f0000000180), 0x30340, 0x0) sendmsg$TIPC_CMD_GET_MEDIA_NAMES(r1, &(0x7f0000000280)={&(0x7f00000001c0)={0x10, 0x0, 0x0, 0x10000000}, 0xc, &(0x7f0000000240)={&(0x7f0000000200)={0x1c, 0x0, 0x100, 0x70bd2a, 0x25dfdbfb, {}, ["", "", "", "", ""]}, 0x1c}}, 0x4000) syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) (async) ioctl$NBD_SET_SOCK(r0, 0xab00, 0xffffffffffffffff) (async) sendmsg$NBD_CMD_STATUS(0xffffffffffffffff, &(0x7f0000000140)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x80000}, 0xc, &(0x7f0000000100)={&(0x7f0000000080)=ANY=[@ANYBLOB='h\x00\x00\x00', @ANYRES16=0x0, @ANYBLOB="000125bd7000ffdbdf25050000000c00050002000000000000000c00060003000000000000080c0003007f000000000000000c00080004000000000000000c0005e3baf842e0ab322fd9fc7c12c0a60006000000000000000c000400000000000000"], 0x68}, 0x1, 0x0, 0x0, 0x1}, 0x0) (async) openat$vcsa(0xffffffffffffff9c, &(0x7f0000000180), 0x30340, 0x0) (async) sendmsg$TIPC_CMD_GET_MEDIA_NAMES(r1, &(0x7f0000000280)={&(0x7f00000001c0)={0x10, 0x0, 0x0, 0x10000000}, 0xc, &(0x7f0000000240)={&(0x7f0000000200)={0x1c, 0x0, 0x100, 0x70bd2a, 0x25dfdbfb, {}, ["", "", "", "", ""]}, 0x1c}}, 0x4000) (async) 12:26:32 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r1) sendmsg$NBD_CMD_DISCONNECT(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f00000004c0)=ANY=[@ANYBLOB='l\x00\x00\x00', @ANYRES16=r2, @ANYBLOB="01002dbd7000fddbdf25020000000c0003", @ANYRES32, @ANYBLOB="08000100", @ANYRES32], 0x6c}, 0x1, 0x0, 0x0, 0x80000}, 0x80) 12:26:32 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r1) sendmsg$NBD_CMD_DISCONNECT(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000000)=ANY=[@ANYBLOB='l\x00\x00\x00', @ANYRES16=r2, @ANYBLOB="01002dbd7000fddbdf25020000000c00030001000100", @ANYRES32, @ANYBLOB="0800014036ece3"], 0x6c}}, 0x0) [ 353.330508] nbd: couldn't find device at index 14937142 [ 353.359350] nbd: must specify an index to disconnect 12:26:33 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r1) sendmsg$NBD_CMD_DISCONNECT(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000000)=ANY=[@ANYBLOB='l\x00\x00\x00', @ANYRES16=r2, @ANYRES32, @ANYBLOB="0800014036ece36e"], 0x6c}}, 0x0) 12:26:33 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NL802154_CMD_SET_CCA_ED_LEVEL(r2, &(0x7f0000000b40)={&(0x7f0000000a80), 0xc, &(0x7f0000000b00)={&(0x7f0000000ac0)={0x14, 0x0, 0x1}, 0x14}}, 0x0) r3 = syz_genetlink_get_family_id$nl802154(&(0x7f0000000280), r0) sendmsg$NL802154_CMD_GET_SEC_DEVKEY(r2, &(0x7f0000000340)={&(0x7f0000000240)={0x10, 0x0, 0x0, 0x40000}, 0xc, &(0x7f0000000300)={&(0x7f00000002c0)={0x24, r3, 0x2, 0x70bd2b, 0x25dfdbfd, {}, [@NL802154_ATTR_IFINDEX={0x8}, @NL802154_ATTR_IFINDEX={0x8}]}, 0x24}, 0x1, 0x0, 0x0, 0x800}, 0x20000800) r4 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NL802154_CMD_SET_CCA_ED_LEVEL(r4, &(0x7f0000000b40)={&(0x7f0000000a80), 0xc, &(0x7f0000000b00)={&(0x7f0000000ac0)={0x14, 0x0, 0x1}, 0x14}}, 0x0) r5 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r6 = syz_genetlink_get_family_id$nl802154(&(0x7f00000013c0), 0xffffffffffffffff) sendmsg$NL802154_CMD_SET_CCA_MODE(r5, &(0x7f0000001500)={&(0x7f0000001380), 0xc, &(0x7f00000014c0)={&(0x7f0000001440)={0x24, r6, 0x1, 0x0, 0x0, {}, [@NL802154_ATTR_CCA_MODE={0x8}, @NL802154_ATTR_IFINDEX={0x8}]}, 0x24}}, 0x0) ioctl$sock_SIOCGIFINDEX_802154(r0, 0x8933, &(0x7f0000000080)={'wpan0\x00', 0x0}) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f00000003c0)={0xffffffffffffffff}) r9 = openat$null(0xffffffffffffff9c, 0x0, 0x0, 0x0) mmap$perf(&(0x7f0000ffe000/0x2000)=nil, 0x2000, 0x0, 0x10, r9, 0x0) sendmsg$NBD_CMD_STATUS(r1, &(0x7f0000000500)={&(0x7f0000000380)={0x10, 0x0, 0x0, 0x40}, 0xc, &(0x7f0000000480)={&(0x7f0000000400)={0x58, 0x0, 0x20, 0x70bd2a, 0x25dfdbff, {}, [@NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x7fffffffffffffff}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x27}, @NBD_ATTR_SOCKETS={0x1c, 0x7, 0x0, 0x1, [{0x8}, {0x8, 0x1, r8}, {0x8, 0x1, r9}]}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x2}, @NBD_ATTR_BACKEND_IDENTIFIER={0x4}]}, 0x58}, 0x1, 0x0, 0x0, 0x2}, 0x24040000) sendmsg$NL802154_CMD_DEL_SEC_LEVEL(r0, &(0x7f0000000200)={&(0x7f0000000000), 0xc, &(0x7f00000000c0)={&(0x7f0000000180)={0x48, r6, 0x100, 0x70bd2c, 0x25dfdbfb, {}, [@NL802154_ATTR_SEC_LEVEL={0x24, 0x22, 0x0, 0x1, [@NL802154_SECLEVEL_ATTR_DEV_OVERRIDE={0x5}, @NL802154_SECLEVEL_ATTR_DEV_OVERRIDE={0x5}, @NL802154_SECLEVEL_ATTR_DEV_OVERRIDE={0x5}, @NL802154_SECLEVEL_ATTR_DEV_OVERRIDE={0x5, 0x4, 0x1}]}, @NL802154_ATTR_IFINDEX={0x8, 0x3, r7}, @NL802154_ATTR_IFINDEX={0xa}]}, 0x48}, 0x1, 0x0, 0x0, 0x1000}, 0x0) r10 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r1) sendmsg$NBD_CMD_DISCONNECT(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f00000004c0)=ANY=[@ANYBLOB='l\x00\x00\x00', @ANYRES16=r10, @ANYBLOB="01002dbd7000fddbdf25020000000c00030001000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB], 0x6c}}, 0x0) 12:26:33 executing program 4: r0 = socket$nl_netfilter(0x10, 0x3, 0xc) sendmsg$TIPC_CMD_SHOW_STATS(r0, &(0x7f0000000300)={0x0, 0x0, &(0x7f00000002c0)={&(0x7f00000001c0)={0x1c, 0x0, 0x0, 0x0, 0x0, {}, [""]}, 0x1c}, 0x1, 0x0, 0x0, 0x1}, 0x4) 12:26:33 executing program 0: syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) r0 = syz_open_dev$ndb(&(0x7f0000000080), 0x0, 0xc0280) ioctl$NBD_SET_SOCK(r0, 0xab00, 0xffffffffffffffff) r1 = openat$null(0xffffffffffffff9c, 0x0, 0x0, 0x0) mmap$perf(&(0x7f0000ffe000/0x2000)=nil, 0x2000, 0x0, 0x10, r1, 0x0) ioctl$SNDRV_CTL_IOCTL_ELEM_LOCK(r1, 0x40405514, &(0x7f0000000040)={0x6, 0x1, 0x1, 0x93d9, 'syz1\x00', 0xffffffca}) 12:26:33 executing program 3: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, 0xffffffffffffffff) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), 0xffffffffffffffff) sendmsg$NBD_CMD_CONNECT(0xffffffffffffffff, &(0x7f0000000140)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x8}, 0xc, &(0x7f0000000100)={&(0x7f00000000c0)={0x2c, r1, 0x504, 0x70bd28, 0x25dfdbfe, {}, [@NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x8000}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x5}]}, 0x2c}, 0x1, 0x0, 0x0, 0x40}, 0x40800) ioctl$ifreq_SIOCGIFINDEX_batadv_hard(0xffffffffffffffff, 0x8933, &(0x7f0000000180)={'batadv_slave_1\x00'}) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NL802154_CMD_SET_CCA_ED_LEVEL(r2, &(0x7f0000000b40)={&(0x7f0000000a80), 0xc, &(0x7f0000000b00)={&(0x7f0000000ac0)={0x14, 0x0, 0x1}, 0x14}}, 0x0) sendmsg$NBD_CMD_RECONFIGURE(r2, &(0x7f0000000280)={&(0x7f00000001c0)={0x10, 0x0, 0x0, 0x40}, 0xc, &(0x7f0000000240)={&(0x7f0000000200)={0x30, r1, 0x1, 0x70bd29, 0x25dfdbfd, {}, [@NBD_ATTR_BLOCK_SIZE_BYTES={0xc}, @NBD_ATTR_BACKEND_IDENTIFIER={0x4}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x7}]}, 0x30}, 0x1, 0x0, 0x0, 0x8004}, 0x20000000) [ 353.386840] nbd: couldn't find device at index -1 [ 353.394315] nbd: couldn't find device at index 60470 [ 353.412349] nbd: must specify an index to disconnect [ 353.430002] nbd: couldn't find device at index 14937142 12:26:33 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_DISCONNECT(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000000)=ANY=[@ANYBLOB='l\x00\x00\x00', @ANYRES16, @ANYBLOB="01002dbd7000fddbdf25020000000c00030001000100", @ANYRES32, @ANYBLOB="0800014036ece3"], 0x6c}}, 0x0) 12:26:33 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r1) sendmsg$NBD_CMD_DISCONNECT(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000000)=ANY=[@ANYBLOB='l\x00\x00\x00', @ANYRES16=r2, @ANYRES32, @ANYBLOB="0800014036ece36e"], 0x6c}}, 0x0) 12:26:33 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r1) sendmsg$NBD_CMD_DISCONNECT(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000000)=ANY=[@ANYBLOB='l\x00\x00\x00', @ANYRES16=r2, @ANYRES32, @ANYBLOB="0800014036ece36e"], 0x6c}}, 0x0) 12:26:33 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NL802154_CMD_SET_CCA_ED_LEVEL(r2, &(0x7f0000000b40)={&(0x7f0000000a80), 0xc, &(0x7f0000000b00)={&(0x7f0000000ac0)={0x14, 0x0, 0x1}, 0x14}}, 0x0) r3 = syz_genetlink_get_family_id$nl802154(&(0x7f0000000280), r0) sendmsg$NL802154_CMD_GET_SEC_DEVKEY(r2, &(0x7f0000000340)={&(0x7f0000000240)={0x10, 0x0, 0x0, 0x40000}, 0xc, &(0x7f0000000300)={&(0x7f00000002c0)={0x24, r3, 0x2, 0x70bd2b, 0x25dfdbfd, {}, [@NL802154_ATTR_IFINDEX={0x8}, @NL802154_ATTR_IFINDEX={0x8}]}, 0x24}, 0x1, 0x0, 0x0, 0x800}, 0x20000800) (async) r4 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NL802154_CMD_SET_CCA_ED_LEVEL(r4, &(0x7f0000000b40)={&(0x7f0000000a80), 0xc, &(0x7f0000000b00)={&(0x7f0000000ac0)={0x14, 0x0, 0x1}, 0x14}}, 0x0) r5 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) r6 = syz_genetlink_get_family_id$nl802154(&(0x7f00000013c0), 0xffffffffffffffff) sendmsg$NL802154_CMD_SET_CCA_MODE(r5, &(0x7f0000001500)={&(0x7f0000001380), 0xc, &(0x7f00000014c0)={&(0x7f0000001440)={0x24, r6, 0x1, 0x0, 0x0, {}, [@NL802154_ATTR_CCA_MODE={0x8}, @NL802154_ATTR_IFINDEX={0x8}]}, 0x24}}, 0x0) (async) ioctl$sock_SIOCGIFINDEX_802154(r0, 0x8933, &(0x7f0000000080)={'wpan0\x00', 0x0}) (async) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f00000003c0)={0xffffffffffffffff}) (async) r9 = openat$null(0xffffffffffffff9c, 0x0, 0x0, 0x0) mmap$perf(&(0x7f0000ffe000/0x2000)=nil, 0x2000, 0x0, 0x10, r9, 0x0) sendmsg$NBD_CMD_STATUS(r1, &(0x7f0000000500)={&(0x7f0000000380)={0x10, 0x0, 0x0, 0x40}, 0xc, &(0x7f0000000480)={&(0x7f0000000400)={0x58, 0x0, 0x20, 0x70bd2a, 0x25dfdbff, {}, [@NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x7fffffffffffffff}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x27}, @NBD_ATTR_SOCKETS={0x1c, 0x7, 0x0, 0x1, [{0x8}, {0x8, 0x1, r8}, {0x8, 0x1, r9}]}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x2}, @NBD_ATTR_BACKEND_IDENTIFIER={0x4}]}, 0x58}, 0x1, 0x0, 0x0, 0x2}, 0x24040000) (async) sendmsg$NL802154_CMD_DEL_SEC_LEVEL(r0, &(0x7f0000000200)={&(0x7f0000000000), 0xc, &(0x7f00000000c0)={&(0x7f0000000180)={0x48, r6, 0x100, 0x70bd2c, 0x25dfdbfb, {}, [@NL802154_ATTR_SEC_LEVEL={0x24, 0x22, 0x0, 0x1, [@NL802154_SECLEVEL_ATTR_DEV_OVERRIDE={0x5}, @NL802154_SECLEVEL_ATTR_DEV_OVERRIDE={0x5}, @NL802154_SECLEVEL_ATTR_DEV_OVERRIDE={0x5}, @NL802154_SECLEVEL_ATTR_DEV_OVERRIDE={0x5, 0x4, 0x1}]}, @NL802154_ATTR_IFINDEX={0x8, 0x3, r7}, @NL802154_ATTR_IFINDEX={0xa}]}, 0x48}, 0x1, 0x0, 0x0, 0x1000}, 0x0) r10 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r1) sendmsg$NBD_CMD_DISCONNECT(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f00000004c0)=ANY=[@ANYBLOB='l\x00\x00\x00', @ANYRES16=r10, @ANYBLOB="01002dbd7000fddbdf25020000000c00030001000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB], 0x6c}}, 0x0) [ 353.482100] nbd: couldn't find device at index -1 12:26:33 executing program 0: syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) r0 = syz_open_dev$ndb(&(0x7f0000000080), 0x0, 0xc0280) ioctl$NBD_SET_SOCK(r0, 0xab00, 0xffffffffffffffff) r1 = openat$null(0xffffffffffffff9c, 0x0, 0x0, 0x0) mmap$perf(&(0x7f0000ffe000/0x2000)=nil, 0x2000, 0x0, 0x10, r1, 0x0) ioctl$SNDRV_CTL_IOCTL_ELEM_LOCK(r1, 0x40405514, &(0x7f0000000040)={0x6, 0x1, 0x1, 0x93d9, 'syz1\x00', 0xffffffca}) 12:26:33 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_DISCONNECT(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000000)=ANY=[@ANYBLOB='l\x00\x00\x00', @ANYRES16, @ANYBLOB="01002dbd7000fddbdf25020000000c00030001000100", @ANYRES32, @ANYBLOB="0800014036ece3"], 0x6c}}, 0x0) 12:26:33 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r1) sendmsg$NBD_CMD_DISCONNECT(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000000)=ANY=[@ANYBLOB='l\x00\x00\x00', @ANYRES16=r2, @ANYRES32, @ANYBLOB="0800014036ece36e"], 0x6c}}, 0x0) 12:26:33 executing program 3: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, 0xffffffffffffffff) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), 0xffffffffffffffff) sendmsg$NBD_CMD_CONNECT(0xffffffffffffffff, &(0x7f0000000140)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x8}, 0xc, &(0x7f0000000100)={&(0x7f00000000c0)={0x2c, r1, 0x504, 0x70bd28, 0x25dfdbfe, {}, [@NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x8000}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x5}]}, 0x2c}, 0x1, 0x0, 0x0, 0x40}, 0x40800) (async) ioctl$ifreq_SIOCGIFINDEX_batadv_hard(0xffffffffffffffff, 0x8933, &(0x7f0000000180)={'batadv_slave_1\x00'}) (async) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NL802154_CMD_SET_CCA_ED_LEVEL(r2, &(0x7f0000000b40)={&(0x7f0000000a80), 0xc, &(0x7f0000000b00)={&(0x7f0000000ac0)={0x14, 0x0, 0x1}, 0x14}}, 0x0) (async) sendmsg$NBD_CMD_RECONFIGURE(r2, &(0x7f0000000280)={&(0x7f00000001c0)={0x10, 0x0, 0x0, 0x40}, 0xc, &(0x7f0000000240)={&(0x7f0000000200)={0x30, r1, 0x1, 0x70bd29, 0x25dfdbfd, {}, [@NBD_ATTR_BLOCK_SIZE_BYTES={0xc}, @NBD_ATTR_BACKEND_IDENTIFIER={0x4}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x7}]}, 0x30}, 0x1, 0x0, 0x0, 0x8004}, 0x20000000) 12:26:33 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r1) sendmsg$NBD_CMD_DISCONNECT(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f00000004c0)=ANY=[@ANYBLOB='l\x00\x00\x00', @ANYRES16=r2, @ANYBLOB="01002dbd7000fddbdf250200", @ANYRES32, @ANYBLOB="08000100", @ANYRES32], 0x6c}, 0x1, 0x0, 0x0, 0x80000}, 0x80) 12:26:33 executing program 0: syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) r0 = syz_open_dev$ndb(&(0x7f0000000080), 0x0, 0xc0280) ioctl$NBD_SET_SOCK(r0, 0xab00, 0xffffffffffffffff) r1 = openat$null(0xffffffffffffff9c, 0x0, 0x0, 0x0) mmap$perf(&(0x7f0000ffe000/0x2000)=nil, 0x2000, 0x0, 0x10, r1, 0x0) ioctl$SNDRV_CTL_IOCTL_ELEM_LOCK(r1, 0x40405514, &(0x7f0000000040)={0x6, 0x1, 0x1, 0x93d9, 'syz1\x00', 0xffffffca}) 12:26:33 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NL802154_CMD_SET_CCA_ED_LEVEL(r2, &(0x7f0000000b40)={&(0x7f0000000a80), 0xc, &(0x7f0000000b00)={&(0x7f0000000ac0)={0x14, 0x0, 0x1}, 0x14}}, 0x0) r3 = syz_genetlink_get_family_id$nl802154(&(0x7f0000000280), r0) sendmsg$NL802154_CMD_GET_SEC_DEVKEY(r2, &(0x7f0000000340)={&(0x7f0000000240)={0x10, 0x0, 0x0, 0x40000}, 0xc, &(0x7f0000000300)={&(0x7f00000002c0)={0x24, r3, 0x2, 0x70bd2b, 0x25dfdbfd, {}, [@NL802154_ATTR_IFINDEX={0x8}, @NL802154_ATTR_IFINDEX={0x8}]}, 0x24}, 0x1, 0x0, 0x0, 0x800}, 0x20000800) (async) r4 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NL802154_CMD_SET_CCA_ED_LEVEL(r4, &(0x7f0000000b40)={&(0x7f0000000a80), 0xc, &(0x7f0000000b00)={&(0x7f0000000ac0)={0x14, 0x0, 0x1}, 0x14}}, 0x0) r5 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) r6 = syz_genetlink_get_family_id$nl802154(&(0x7f00000013c0), 0xffffffffffffffff) sendmsg$NL802154_CMD_SET_CCA_MODE(r5, &(0x7f0000001500)={&(0x7f0000001380), 0xc, &(0x7f00000014c0)={&(0x7f0000001440)={0x24, r6, 0x1, 0x0, 0x0, {}, [@NL802154_ATTR_CCA_MODE={0x8}, @NL802154_ATTR_IFINDEX={0x8}]}, 0x24}}, 0x0) ioctl$sock_SIOCGIFINDEX_802154(r0, 0x8933, &(0x7f0000000080)={'wpan0\x00', 0x0}) (async) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f00000003c0)={0xffffffffffffffff}) (async) r9 = openat$null(0xffffffffffffff9c, 0x0, 0x0, 0x0) mmap$perf(&(0x7f0000ffe000/0x2000)=nil, 0x2000, 0x0, 0x10, r9, 0x0) (async) sendmsg$NBD_CMD_STATUS(r1, &(0x7f0000000500)={&(0x7f0000000380)={0x10, 0x0, 0x0, 0x40}, 0xc, &(0x7f0000000480)={&(0x7f0000000400)={0x58, 0x0, 0x20, 0x70bd2a, 0x25dfdbff, {}, [@NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x7fffffffffffffff}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x27}, @NBD_ATTR_SOCKETS={0x1c, 0x7, 0x0, 0x1, [{0x8}, {0x8, 0x1, r8}, {0x8, 0x1, r9}]}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x2}, @NBD_ATTR_BACKEND_IDENTIFIER={0x4}]}, 0x58}, 0x1, 0x0, 0x0, 0x2}, 0x24040000) (async) sendmsg$NL802154_CMD_DEL_SEC_LEVEL(r0, &(0x7f0000000200)={&(0x7f0000000000), 0xc, &(0x7f00000000c0)={&(0x7f0000000180)={0x48, r6, 0x100, 0x70bd2c, 0x25dfdbfb, {}, [@NL802154_ATTR_SEC_LEVEL={0x24, 0x22, 0x0, 0x1, [@NL802154_SECLEVEL_ATTR_DEV_OVERRIDE={0x5}, @NL802154_SECLEVEL_ATTR_DEV_OVERRIDE={0x5}, @NL802154_SECLEVEL_ATTR_DEV_OVERRIDE={0x5}, @NL802154_SECLEVEL_ATTR_DEV_OVERRIDE={0x5, 0x4, 0x1}]}, @NL802154_ATTR_IFINDEX={0x8, 0x3, r7}, @NL802154_ATTR_IFINDEX={0xa}]}, 0x48}, 0x1, 0x0, 0x0, 0x1000}, 0x0) r10 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r1) sendmsg$NBD_CMD_DISCONNECT(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f00000004c0)=ANY=[@ANYBLOB='l\x00\x00\x00', @ANYRES16=r10, @ANYBLOB="01002dbd7000fddbdf25020000000c00030001000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB], 0x6c}}, 0x0) [ 353.578347] nbd: couldn't find device at index -1 12:26:33 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_DISCONNECT(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000000)=ANY=[@ANYBLOB='l\x00\x00\x00', @ANYRES16, @ANYBLOB="01002dbd7000fddbdf25020000000c00030001000100", @ANYRES32, @ANYBLOB="0800014036ece3"], 0x6c}}, 0x0) 12:26:33 executing program 3: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, 0xffffffffffffffff) (async) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), 0xffffffffffffffff) sendmsg$NBD_CMD_CONNECT(0xffffffffffffffff, &(0x7f0000000140)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x8}, 0xc, &(0x7f0000000100)={&(0x7f00000000c0)={0x2c, r1, 0x504, 0x70bd28, 0x25dfdbfe, {}, [@NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x8000}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x5}]}, 0x2c}, 0x1, 0x0, 0x0, 0x40}, 0x40800) (async) ioctl$ifreq_SIOCGIFINDEX_batadv_hard(0xffffffffffffffff, 0x8933, &(0x7f0000000180)={'batadv_slave_1\x00'}) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NL802154_CMD_SET_CCA_ED_LEVEL(r2, &(0x7f0000000b40)={&(0x7f0000000a80), 0xc, &(0x7f0000000b00)={&(0x7f0000000ac0)={0x14, 0x0, 0x1}, 0x14}}, 0x0) sendmsg$NBD_CMD_RECONFIGURE(r2, &(0x7f0000000280)={&(0x7f00000001c0)={0x10, 0x0, 0x0, 0x40}, 0xc, &(0x7f0000000240)={&(0x7f0000000200)={0x30, r1, 0x1, 0x70bd29, 0x25dfdbfd, {}, [@NBD_ATTR_BLOCK_SIZE_BYTES={0xc}, @NBD_ATTR_BACKEND_IDENTIFIER={0x4}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x7}]}, 0x30}, 0x1, 0x0, 0x0, 0x8004}, 0x20000000) 12:26:33 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r1) sendmsg$NBD_CMD_DISCONNECT(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000000)=ANY=[@ANYBLOB='l\x00\x00\x00', @ANYRES16=r2, @ANYBLOB, @ANYRES32, @ANYBLOB="0800014036ece36e"], 0x6c}}, 0x0) 12:26:33 executing program 0: syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) r0 = syz_open_dev$ndb(&(0x7f0000000080), 0x0, 0xc0280) ioctl$NBD_SET_SOCK(r0, 0xab00, 0xffffffffffffffff) r1 = openat$null(0xffffffffffffff9c, 0x0, 0x0, 0x0) mmap$perf(&(0x7f0000ffe000/0x2000)=nil, 0x2000, 0x0, 0x10, r1, 0x0) [ 353.633347] nbd: must specify an index to disconnect 12:26:33 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r1) sendmsg$NBD_CMD_DISCONNECT(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f00000004c0)=ANY=[@ANYBLOB='l\x00\x00\x00', @ANYRES16=r2, @ANYBLOB="01002dbd7000fddbdf25020000000c000300010001", @ANYRES32, @ANYBLOB="08000100", @ANYRES32], 0x6c}, 0x1, 0x0, 0x0, 0x80000}, 0x80) 12:26:33 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), 0xffffffffffffffff) sendmsg$NBD_CMD_DISCONNECT(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000000)=ANY=[@ANYBLOB='l\x00\x00\x00', @ANYRES16=r1, @ANYBLOB="01002dbd7000fddbdf25020000000c00030001000100", @ANYRES32, @ANYBLOB="0800014036ece3"], 0x6c}}, 0x0) 12:26:33 executing program 3: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) r1 = openat$null(0xffffffffffffff9c, &(0x7f0000000080), 0x40000, 0x0) bind$isdn(r1, &(0x7f0000000180)={0x22, 0x6, 0x80, 0xc2, 0xfc}, 0x6) ioctl$NBD_SET_SOCK(r0, 0xab00, 0xffffffffffffffff) sendmsg$NBD_CMD_CONNECT(0xffffffffffffffff, &(0x7f0000000100)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x20000000}, 0xc, &(0x7f00000000c0)={&(0x7f0000000140)=ANY=[@ANYBLOB=' \x00\x00\x00', @ANYRES16=0x0, @ANYBLOB="000a2dbd7000fddbe825010000000c0003000101002400000000f9250e7599b74d5b6bf006fe69721719c8dbfd89"], 0x20}}, 0x4000000) 12:26:33 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r1) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r4 = syz_genetlink_get_family_id$nl802154(&(0x7f0000000080), r0) ioctl$sock_SIOCGIFINDEX_802154(r0, 0x8933, &(0x7f00000000c0)={'wpan3\x00', 0x0}) sendmsg$NL802154_CMD_SET_SEC_PARAMS(r3, &(0x7f0000000200)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x59fc24886bdebd89}, 0xc, &(0x7f00000001c0)={&(0x7f0000000240)=ANY=[@ANYBLOB='4\x00\x00\x00', @ANYRES16=r4, @ANYBLOB="20002bbd7000fcdbdf251500000008000300", @ANYRES32=r5, @ANYBLOB="08000300", @ANYRES32=0x0, @ANYBLOB="08000300f770e108a05a3f2415b222bf46365c76d392a5cad68e92212db9cf23f92f84d52d92f11025ada7553bc0d343dd476b876bc47eb3077c0e246b38cf4d7fc7c719df604d3b15bde1050d7cc97d587ff766b2d49d2b3990ebcda57804e1faaff7833e080679a4eb87d3704a921429ae2dae550f9048c6a45f4afe8c6f8788c4c36d696e67dfaa9b321d472ccd650d1a6e0d261dde9152466f69192b38ba6fefcd", @ANYRES32=0x0, @ANYBLOB="0800210002000000"], 0x34}, 0x1, 0x0, 0x0, 0x4800}, 0x800) sendmsg$NBD_CMD_DISCONNECT(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f00000004c0)=ANY=[@ANYBLOB='l\x00\x00\x00', @ANYRES16=r2, @ANYBLOB="01002dbd7000fddbdf25020000000c00030001000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB], 0x6c}}, 0x0) r6 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NL802154_CMD_SET_CCA_ED_LEVEL(r6, &(0x7f0000000b40)={&(0x7f0000000a80), 0xc, &(0x7f0000000b00)={&(0x7f0000000ac0)={0x14, 0x0, 0x1}, 0x14}}, 0x0) r7 = syz_genetlink_get_family_id$nl802154(&(0x7f0000000340), r1) sendmsg$NL802154_CMD_DEL_SEC_DEV(r6, &(0x7f0000000400)={&(0x7f0000000180)={0x10, 0x0, 0x0, 0x10}, 0xc, &(0x7f00000003c0)={&(0x7f0000000380)={0x24, r7, 0x100, 0x70bd25, 0x25dfdbfd, {}, [@NL802154_ATTR_SEC_DEVICE={0x10, 0x23, 0x0, 0x1, {0xc}}]}, 0x24}}, 0x20000000) [ 353.679381] nbd: couldn't find device at index -1 12:26:33 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r1) sendmsg$NBD_CMD_DISCONNECT(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000000)=ANY=[@ANYBLOB='l\x00\x00\x00', @ANYRES16=r2, @ANYBLOB, @ANYRES32, @ANYBLOB="0800014036ece36e"], 0x6c}}, 0x0) 12:26:33 executing program 0: syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) r0 = syz_open_dev$ndb(&(0x7f0000000080), 0x0, 0xc0280) ioctl$NBD_SET_SOCK(r0, 0xab00, 0xffffffffffffffff) openat$null(0xffffffffffffff9c, 0x0, 0x0, 0x0) 12:26:33 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), 0xffffffffffffffff) sendmsg$NBD_CMD_DISCONNECT(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000000)=ANY=[@ANYBLOB='l\x00\x00\x00', @ANYRES16=r1, @ANYBLOB="01002dbd7000fddbdf25020000000c00030001000100", @ANYRES32, @ANYBLOB="0800014036ece3"], 0x6c}}, 0x0) 12:26:33 executing program 4: syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) r0 = syz_open_dev$ndb(&(0x7f0000000080), 0x0, 0xc0280) ioctl$NBD_SET_SOCK(r0, 0xab00, 0xffffffffffffffff) r1 = openat$null(0xffffffffffffff9c, 0x0, 0x0, 0x0) mmap$perf(&(0x7f0000ffe000/0x2000)=nil, 0x2000, 0x0, 0x10, r1, 0x0) [ 353.737887] nbd: must specify an index to disconnect 12:26:33 executing program 3: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) r1 = openat$null(0xffffffffffffff9c, &(0x7f0000000080), 0x40000, 0x0) bind$isdn(r1, &(0x7f0000000180)={0x22, 0x6, 0x80, 0xc2, 0xfc}, 0x6) (async) ioctl$NBD_SET_SOCK(r0, 0xab00, 0xffffffffffffffff) (async) sendmsg$NBD_CMD_CONNECT(0xffffffffffffffff, &(0x7f0000000100)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x20000000}, 0xc, &(0x7f00000000c0)={&(0x7f0000000140)=ANY=[@ANYBLOB=' \x00\x00\x00', @ANYRES16=0x0, @ANYBLOB="000a2dbd7000fddbe825010000000c0003000101002400000000f9250e7599b74d5b6bf006fe69721719c8dbfd89"], 0x20}}, 0x4000000) 12:26:33 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r1) sendmsg$NBD_CMD_DISCONNECT(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000000)=ANY=[@ANYBLOB='l\x00\x00\x00', @ANYRES16=r2, @ANYBLOB, @ANYRES32, @ANYBLOB="0800014036ece36e"], 0x6c}}, 0x0) 12:26:33 executing program 0: syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) r0 = syz_open_dev$ndb(&(0x7f0000000080), 0x0, 0xc0280) ioctl$NBD_SET_SOCK(r0, 0xab00, 0xffffffffffffffff) 12:26:33 executing program 4: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x40b01) ioctl$NBD_SET_SOCK(r0, 0xab00, 0xffffffffffffffff) (fail_nth: 1) 12:26:33 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), 0xffffffffffffffff) sendmsg$NBD_CMD_DISCONNECT(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000000)=ANY=[@ANYBLOB='l\x00\x00\x00', @ANYRES16=r1, @ANYBLOB="01002dbd7000fddbdf25020000000c00030001000100", @ANYRES32, @ANYBLOB="0800014036ece3"], 0x6c}}, 0x0) 12:26:33 executing program 0: syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) syz_open_dev$ndb(&(0x7f0000000080), 0x0, 0xc0280) 12:26:33 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r1) sendmsg$NBD_CMD_DISCONNECT(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000000)=ANY=[@ANYBLOB='l\x00\x00\x00', @ANYRES16=r2, @ANYBLOB="01002dbd7000fddbdf2502", @ANYRES32, @ANYBLOB="0800014036ece36e"], 0x6c}}, 0x0) [ 353.842586] nbd: couldn't find device at index -1 12:26:33 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r1) (async) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) r4 = syz_genetlink_get_family_id$nl802154(&(0x7f0000000080), r0) ioctl$sock_SIOCGIFINDEX_802154(r0, 0x8933, &(0x7f00000000c0)={'wpan3\x00', 0x0}) sendmsg$NL802154_CMD_SET_SEC_PARAMS(r3, &(0x7f0000000200)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x59fc24886bdebd89}, 0xc, &(0x7f00000001c0)={&(0x7f0000000240)=ANY=[@ANYBLOB='4\x00\x00\x00', @ANYRES16=r4, @ANYBLOB="20002bbd7000fcdbdf251500000008000300", @ANYRES32=r5, @ANYBLOB="08000300", @ANYRES32=0x0, @ANYBLOB="08000300f770e108a05a3f2415b222bf46365c76d392a5cad68e92212db9cf23f92f84d52d92f11025ada7553bc0d343dd476b876bc47eb3077c0e246b38cf4d7fc7c719df604d3b15bde1050d7cc97d587ff766b2d49d2b3990ebcda57804e1faaff7833e080679a4eb87d3704a921429ae2dae550f9048c6a45f4afe8c6f8788c4c36d696e67dfaa9b321d472ccd650d1a6e0d261dde9152466f69192b38ba6fefcd", @ANYRES32=0x0, @ANYBLOB="0800210002000000"], 0x34}, 0x1, 0x0, 0x0, 0x4800}, 0x800) (async) sendmsg$NBD_CMD_DISCONNECT(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f00000004c0)=ANY=[@ANYBLOB='l\x00\x00\x00', @ANYRES16=r2, @ANYBLOB="01002dbd7000fddbdf25020000000c00030001000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB], 0x6c}}, 0x0) r6 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NL802154_CMD_SET_CCA_ED_LEVEL(r6, &(0x7f0000000b40)={&(0x7f0000000a80), 0xc, &(0x7f0000000b00)={&(0x7f0000000ac0)={0x14, 0x0, 0x1}, 0x14}}, 0x0) (async) r7 = syz_genetlink_get_family_id$nl802154(&(0x7f0000000340), r1) sendmsg$NL802154_CMD_DEL_SEC_DEV(r6, &(0x7f0000000400)={&(0x7f0000000180)={0x10, 0x0, 0x0, 0x10}, 0xc, &(0x7f00000003c0)={&(0x7f0000000380)={0x24, r7, 0x100, 0x70bd25, 0x25dfdbfd, {}, [@NL802154_ATTR_SEC_DEVICE={0x10, 0x23, 0x0, 0x1, {0xc}}]}, 0x24}}, 0x20000000) 12:26:33 executing program 3: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) (async) r1 = openat$null(0xffffffffffffff9c, &(0x7f0000000080), 0x40000, 0x0) bind$isdn(r1, &(0x7f0000000180)={0x22, 0x6, 0x80, 0xc2, 0xfc}, 0x6) ioctl$NBD_SET_SOCK(r0, 0xab00, 0xffffffffffffffff) sendmsg$NBD_CMD_CONNECT(0xffffffffffffffff, &(0x7f0000000100)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x20000000}, 0xc, &(0x7f00000000c0)={&(0x7f0000000140)=ANY=[@ANYBLOB=' \x00\x00\x00', @ANYRES16=0x0, @ANYBLOB="000a2dbd7000fddbe825010000000c0003000101002400000000f9250e7599b74d5b6bf006fe69721719c8dbfd89"], 0x20}}, 0x4000000) 12:26:33 executing program 4: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x40b01) ioctl$NBD_SET_SOCK(r0, 0xab00, 0xffffffffffffffff) socket$netlink(0x10, 0x3, 0x9) 12:26:33 executing program 0: syz_open_dev$ndb(&(0x7f0000000080), 0x0, 0xc0280) 12:26:33 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r0) sendmsg$NBD_CMD_DISCONNECT(0xffffffffffffffff, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000000)=ANY=[@ANYBLOB='l\x00\x00\x00', @ANYRES16=r1, @ANYBLOB="01002dbd7000fddbdf25020000000c00030001000100", @ANYRES32, @ANYBLOB="0800014036ece3"], 0x6c}}, 0x0) 12:26:33 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r1) sendmsg$NBD_CMD_DISCONNECT(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000000)=ANY=[@ANYBLOB='l\x00\x00\x00', @ANYRES16=r2, @ANYBLOB="01002dbd7000fddbdf2502", @ANYRES32, @ANYBLOB="0800014036ece36e"], 0x6c}}, 0x0) 12:26:33 executing program 3: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, 0xffffffffffffffff) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), 0xffffffffffffffff) socketpair(0x28, 0x3, 0x7, &(0x7f00000000c0)={0xffffffffffffffff, 0xffffffffffffffff}) r3 = openat$null(0xffffffffffffff9c, 0x0, 0x0, 0x0) mmap$perf(&(0x7f0000ffe000/0x2000)=nil, 0x2000, 0x0, 0x10, r3, 0x0) r4 = openat$null(0xffffffffffffff9c, 0x0, 0x0, 0x0) mmap$perf(&(0x7f0000ffe000/0x2000)=nil, 0x2000, 0x0, 0x10, r4, 0x0) r5 = openat$null(0xffffffffffffff9c, 0x0, 0x0, 0x0) mmap$perf(&(0x7f0000ffe000/0x2000)=nil, 0x2000, 0x0, 0x10, r5, 0x0) r6 = openat$null(0xffffffffffffff9c, 0x0, 0x0, 0x0) mmap$perf(&(0x7f0000ffe000/0x2000)=nil, 0x2000, 0x0, 0x10, r6, 0x0) sendmsg$NBD_CMD_CONNECT(0xffffffffffffffff, &(0x7f0000000200)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x20000000}, 0xc, &(0x7f00000001c0)={&(0x7f0000000100)={0x88, r1, 0x10, 0x70bd28, 0x25dfdbfd, {}, [@NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x100000000}, @NBD_ATTR_BACKEND_IDENTIFIER={0x7, 0xa, '.++'}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x104}, @NBD_ATTR_SERVER_FLAGS={0xc}, @NBD_ATTR_SOCKETS={0x3c, 0x7, 0x0, 0x1, [{0x8, 0x1, r2}, {0x8}, {0x8, 0x1, r3}, {0x8, 0x1, r4}, {0x8, 0x1, r5}, {0x8}, {0x8, 0x1, r6}]}, @NBD_ATTR_SERVER_FLAGS={0xc}]}, 0x88}, 0x1, 0x0, 0x0, 0x10}, 0x4000000) [ 353.920582] nbd: must specify an index to disconnect 12:26:33 executing program 4: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x40b01) ioctl$NBD_SET_SOCK(r0, 0xab00, 0xffffffffffffffff) (async, rerun: 64) socket$netlink(0x10, 0x3, 0x9) (rerun: 64) 12:26:33 executing program 0: syz_open_dev$ndb(0x0, 0x0, 0xc0280) 12:26:33 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r0) sendmsg$NBD_CMD_DISCONNECT(0xffffffffffffffff, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000000)=ANY=[@ANYBLOB='l\x00\x00\x00', @ANYRES16=r1, @ANYBLOB="01002dbd7000fddbdf25020000000c00030001000100", @ANYRES32, @ANYBLOB="0800014036ece3"], 0x6c}}, 0x0) 12:26:33 executing program 0: syz_open_dev$ndb(0x0, 0x0, 0xc0280) 12:26:33 executing program 3: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, 0xffffffffffffffff) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), 0xffffffffffffffff) socketpair(0x28, 0x3, 0x7, &(0x7f00000000c0)={0xffffffffffffffff, 0xffffffffffffffff}) r3 = openat$null(0xffffffffffffff9c, 0x0, 0x0, 0x0) mmap$perf(&(0x7f0000ffe000/0x2000)=nil, 0x2000, 0x0, 0x10, r3, 0x0) r4 = openat$null(0xffffffffffffff9c, 0x0, 0x0, 0x0) mmap$perf(&(0x7f0000ffe000/0x2000)=nil, 0x2000, 0x0, 0x10, r4, 0x0) r5 = openat$null(0xffffffffffffff9c, 0x0, 0x0, 0x0) mmap$perf(&(0x7f0000ffe000/0x2000)=nil, 0x2000, 0x0, 0x10, r5, 0x0) r6 = openat$null(0xffffffffffffff9c, 0x0, 0x0, 0x0) mmap$perf(&(0x7f0000ffe000/0x2000)=nil, 0x2000, 0x0, 0x10, r6, 0x0) sendmsg$NBD_CMD_CONNECT(0xffffffffffffffff, &(0x7f0000000200)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x20000000}, 0xc, &(0x7f00000001c0)={&(0x7f0000000100)={0x88, r1, 0x10, 0x70bd28, 0x25dfdbfd, {}, [@NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x100000000}, @NBD_ATTR_BACKEND_IDENTIFIER={0x7, 0xa, '.++'}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x104}, @NBD_ATTR_SERVER_FLAGS={0xc}, @NBD_ATTR_SOCKETS={0x3c, 0x7, 0x0, 0x1, [{0x8, 0x1, r2}, {0x8}, {0x8, 0x1, r3}, {0x8, 0x1, r4}, {0x8, 0x1, r5}, {0x8}, {0x8, 0x1, r6}]}, @NBD_ATTR_SERVER_FLAGS={0xc}]}, 0x88}, 0x1, 0x0, 0x0, 0x10}, 0x4000000) syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) (async) ioctl$NBD_SET_SOCK(r0, 0xab00, 0xffffffffffffffff) (async) syz_genetlink_get_family_id$nbd(&(0x7f0000000080), 0xffffffffffffffff) (async) socketpair(0x28, 0x3, 0x7, &(0x7f00000000c0)) (async) openat$null(0xffffffffffffff9c, 0x0, 0x0, 0x0) (async) mmap$perf(&(0x7f0000ffe000/0x2000)=nil, 0x2000, 0x0, 0x10, r3, 0x0) (async) openat$null(0xffffffffffffff9c, 0x0, 0x0, 0x0) (async) mmap$perf(&(0x7f0000ffe000/0x2000)=nil, 0x2000, 0x0, 0x10, r4, 0x0) (async) openat$null(0xffffffffffffff9c, 0x0, 0x0, 0x0) (async) mmap$perf(&(0x7f0000ffe000/0x2000)=nil, 0x2000, 0x0, 0x10, r5, 0x0) (async) openat$null(0xffffffffffffff9c, 0x0, 0x0, 0x0) (async) mmap$perf(&(0x7f0000ffe000/0x2000)=nil, 0x2000, 0x0, 0x10, r6, 0x0) (async) sendmsg$NBD_CMD_CONNECT(0xffffffffffffffff, &(0x7f0000000200)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x20000000}, 0xc, &(0x7f00000001c0)={&(0x7f0000000100)={0x88, r1, 0x10, 0x70bd28, 0x25dfdbfd, {}, [@NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x100000000}, @NBD_ATTR_BACKEND_IDENTIFIER={0x7, 0xa, '.++'}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x104}, @NBD_ATTR_SERVER_FLAGS={0xc}, @NBD_ATTR_SOCKETS={0x3c, 0x7, 0x0, 0x1, [{0x8, 0x1, r2}, {0x8}, {0x8, 0x1, r3}, {0x8, 0x1, r4}, {0x8, 0x1, r5}, {0x8}, {0x8, 0x1, r6}]}, @NBD_ATTR_SERVER_FLAGS={0xc}]}, 0x88}, 0x1, 0x0, 0x0, 0x10}, 0x4000000) (async) 12:26:33 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r1) (async) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r4 = syz_genetlink_get_family_id$nl802154(&(0x7f0000000080), r0) ioctl$sock_SIOCGIFINDEX_802154(r0, 0x8933, &(0x7f00000000c0)={'wpan3\x00', 0x0}) sendmsg$NL802154_CMD_SET_SEC_PARAMS(r3, &(0x7f0000000200)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x59fc24886bdebd89}, 0xc, &(0x7f00000001c0)={&(0x7f0000000240)=ANY=[@ANYBLOB='4\x00\x00\x00', @ANYRES16=r4, @ANYBLOB="20002bbd7000fcdbdf251500000008000300", @ANYRES32=r5, @ANYBLOB="08000300", @ANYRES32=0x0, @ANYBLOB="08000300f770e108a05a3f2415b222bf46365c76d392a5cad68e92212db9cf23f92f84d52d92f11025ada7553bc0d343dd476b876bc47eb3077c0e246b38cf4d7fc7c719df604d3b15bde1050d7cc97d587ff766b2d49d2b3990ebcda57804e1faaff7833e080679a4eb87d3704a921429ae2dae550f9048c6a45f4afe8c6f8788c4c36d696e67dfaa9b321d472ccd650d1a6e0d261dde9152466f69192b38ba6fefcd", @ANYRES32=0x0, @ANYBLOB="0800210002000000"], 0x34}, 0x1, 0x0, 0x0, 0x4800}, 0x800) (async) sendmsg$NBD_CMD_DISCONNECT(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f00000004c0)=ANY=[@ANYBLOB='l\x00\x00\x00', @ANYRES16=r2, @ANYBLOB="01002dbd7000fddbdf25020000000c00030001000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB], 0x6c}}, 0x0) (async) r6 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NL802154_CMD_SET_CCA_ED_LEVEL(r6, &(0x7f0000000b40)={&(0x7f0000000a80), 0xc, &(0x7f0000000b00)={&(0x7f0000000ac0)={0x14, 0x0, 0x1}, 0x14}}, 0x0) (async) r7 = syz_genetlink_get_family_id$nl802154(&(0x7f0000000340), r1) sendmsg$NL802154_CMD_DEL_SEC_DEV(r6, &(0x7f0000000400)={&(0x7f0000000180)={0x10, 0x0, 0x0, 0x10}, 0xc, &(0x7f00000003c0)={&(0x7f0000000380)={0x24, r7, 0x100, 0x70bd25, 0x25dfdbfd, {}, [@NL802154_ATTR_SEC_DEVICE={0x10, 0x23, 0x0, 0x1, {0xc}}]}, 0x24}}, 0x20000000) 12:26:33 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r1) sendmsg$NBD_CMD_DISCONNECT(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000000)=ANY=[@ANYBLOB='l\x00\x00\x00', @ANYRES16=r2, @ANYBLOB="01002dbd7000fddbdf2502", @ANYRES32, @ANYBLOB="0800014036ece36e"], 0x6c}}, 0x0) [ 354.000128] nbd: must specify an index to disconnect [ 354.018401] nbd: couldn't find device at index -1 12:26:33 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r0) sendmsg$NBD_CMD_DISCONNECT(0xffffffffffffffff, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000000)=ANY=[@ANYBLOB='l\x00\x00\x00', @ANYRES16=r1, @ANYBLOB="01002dbd7000fddbdf25020000000c00030001000100", @ANYRES32, @ANYBLOB="0800014036ece3"], 0x6c}}, 0x0) 12:26:33 executing program 0: syz_open_dev$ndb(0x0, 0x0, 0xc0280) 12:26:33 executing program 4: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x40b01) ioctl$NBD_SET_SOCK(r0, 0xab00, 0xffffffffffffffff) socket$netlink(0x10, 0x3, 0x9) syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x40b01) (async) ioctl$NBD_SET_SOCK(r0, 0xab00, 0xffffffffffffffff) (async) socket$netlink(0x10, 0x3, 0x9) (async) 12:26:33 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(0x0, r1) sendmsg$NBD_CMD_DISCONNECT(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000000)=ANY=[@ANYBLOB='l\x00\x00\x00', @ANYRES16=r2, @ANYBLOB="01002dbd7000fddbdf25020000000c00030001000100", @ANYRES32, @ANYBLOB="0800014036ece3"], 0x6c}}, 0x0) 12:26:33 executing program 3: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, 0xffffffffffffffff) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), 0xffffffffffffffff) socketpair(0x28, 0x3, 0x7, &(0x7f00000000c0)={0xffffffffffffffff, 0xffffffffffffffff}) r3 = openat$null(0xffffffffffffff9c, 0x0, 0x0, 0x0) mmap$perf(&(0x7f0000ffe000/0x2000)=nil, 0x2000, 0x0, 0x10, r3, 0x0) r4 = openat$null(0xffffffffffffff9c, 0x0, 0x0, 0x0) mmap$perf(&(0x7f0000ffe000/0x2000)=nil, 0x2000, 0x0, 0x10, r4, 0x0) r5 = openat$null(0xffffffffffffff9c, 0x0, 0x0, 0x0) mmap$perf(&(0x7f0000ffe000/0x2000)=nil, 0x2000, 0x0, 0x10, r5, 0x0) r6 = openat$null(0xffffffffffffff9c, 0x0, 0x0, 0x0) mmap$perf(&(0x7f0000ffe000/0x2000)=nil, 0x2000, 0x0, 0x10, r6, 0x0) sendmsg$NBD_CMD_CONNECT(0xffffffffffffffff, &(0x7f0000000200)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x20000000}, 0xc, &(0x7f00000001c0)={&(0x7f0000000100)={0x88, r1, 0x10, 0x70bd28, 0x25dfdbfd, {}, [@NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x100000000}, @NBD_ATTR_BACKEND_IDENTIFIER={0x7, 0xa, '.++'}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x104}, @NBD_ATTR_SERVER_FLAGS={0xc}, @NBD_ATTR_SOCKETS={0x3c, 0x7, 0x0, 0x1, [{0x8, 0x1, r2}, {0x8}, {0x8, 0x1, r3}, {0x8, 0x1, r4}, {0x8, 0x1, r5}, {0x8}, {0x8, 0x1, r6}]}, @NBD_ATTR_SERVER_FLAGS={0xc}]}, 0x88}, 0x1, 0x0, 0x0, 0x10}, 0x4000000) syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) (async) ioctl$NBD_SET_SOCK(r0, 0xab00, 0xffffffffffffffff) (async) syz_genetlink_get_family_id$nbd(&(0x7f0000000080), 0xffffffffffffffff) (async) socketpair(0x28, 0x3, 0x7, &(0x7f00000000c0)) (async) openat$null(0xffffffffffffff9c, 0x0, 0x0, 0x0) (async) mmap$perf(&(0x7f0000ffe000/0x2000)=nil, 0x2000, 0x0, 0x10, r3, 0x0) (async) openat$null(0xffffffffffffff9c, 0x0, 0x0, 0x0) (async) mmap$perf(&(0x7f0000ffe000/0x2000)=nil, 0x2000, 0x0, 0x10, r4, 0x0) (async) openat$null(0xffffffffffffff9c, 0x0, 0x0, 0x0) (async) mmap$perf(&(0x7f0000ffe000/0x2000)=nil, 0x2000, 0x0, 0x10, r5, 0x0) (async) openat$null(0xffffffffffffff9c, 0x0, 0x0, 0x0) (async) mmap$perf(&(0x7f0000ffe000/0x2000)=nil, 0x2000, 0x0, 0x10, r6, 0x0) (async) sendmsg$NBD_CMD_CONNECT(0xffffffffffffffff, &(0x7f0000000200)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x20000000}, 0xc, &(0x7f00000001c0)={&(0x7f0000000100)={0x88, r1, 0x10, 0x70bd28, 0x25dfdbfd, {}, [@NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x100000000}, @NBD_ATTR_BACKEND_IDENTIFIER={0x7, 0xa, '.++'}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x104}, @NBD_ATTR_SERVER_FLAGS={0xc}, @NBD_ATTR_SOCKETS={0x3c, 0x7, 0x0, 0x1, [{0x8, 0x1, r2}, {0x8}, {0x8, 0x1, r3}, {0x8, 0x1, r4}, {0x8, 0x1, r5}, {0x8}, {0x8, 0x1, r6}]}, @NBD_ATTR_SERVER_FLAGS={0xc}]}, 0x88}, 0x1, 0x0, 0x0, 0x10}, 0x4000000) (async) [ 354.087273] nbd: must specify an index to disconnect 12:26:33 executing program 4: r0 = openat$null(0xffffffffffffff9c, 0x0, 0x0, 0x0) mmap$perf(&(0x7f0000ffe000/0x2000)=nil, 0x2000, 0x0, 0x10, r0, 0x0) write$tun(r0, &(0x7f0000000080)=ANY=[@ANYBLOB="000000f5008001040000dda606000001080006040002afd8db5f852ae00000010180c2000000ac1414aaadab27806c8601e60cda226ec46f55ee29b5f7b0b872fac7e1cb274466ca481c79e8"], 0x2a) r1 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x40b01) ioctl$NBD_SET_SOCK(r1, 0xab00, 0xffffffffffffffff) 12:26:33 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r1) sendmsg$NBD_CMD_DISCONNECT(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000000)=ANY=[@ANYBLOB='l\x00\x00\x00', @ANYRES16=r2, @ANYBLOB="01002dbd7000fddbdf25020000000c0003", @ANYRES32, @ANYBLOB="0800014036ece36e"], 0x6c}}, 0x0) 12:26:33 executing program 0: syz_open_dev$ndb(&(0x7f0000000080), 0x0, 0x0) 12:26:33 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(0x0, r1) sendmsg$NBD_CMD_DISCONNECT(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000000)=ANY=[@ANYBLOB='l\x00\x00\x00', @ANYRES16=r2, @ANYBLOB="01002dbd7000fddbdf25020000000c00030001000100", @ANYRES32, @ANYBLOB="0800014036ece3"], 0x6c}}, 0x0) 12:26:33 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r1) sendmsg$NBD_CMD_DISCONNECT(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f00000004c0)=ANY=[@ANYBLOB="10000000", @ANYRES16=r2, @ANYBLOB="01002dbd7000fddbdf25020000000c00030001000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB], 0x6c}}, 0x0) [ 354.167615] nbd: couldn't find device at index -1 12:26:33 executing program 4: r0 = openat$null(0xffffffffffffff9c, 0x0, 0x0, 0x0) mmap$perf(&(0x7f0000ffe000/0x2000)=nil, 0x2000, 0x0, 0x10, r0, 0x0) (async) write$tun(r0, &(0x7f0000000080)=ANY=[@ANYBLOB="000000f5008001040000dda606000001080006040002afd8db5f852ae00000010180c2000000ac1414aaadab27806c8601e60cda226ec46f55ee29b5f7b0b872fac7e1cb274466ca481c79e8"], 0x2a) (async) r1 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x40b01) ioctl$NBD_SET_SOCK(r1, 0xab00, 0xffffffffffffffff) 12:26:33 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r1) sendmsg$NBD_CMD_DISCONNECT(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000000)=ANY=[@ANYBLOB='l\x00\x00\x00', @ANYRES16=r2, @ANYBLOB="01002dbd7000fddbdf25020000000c0003", @ANYRES32, @ANYBLOB="0800014036ece36e"], 0x6c}}, 0x0) [ 354.205500] nbd: must specify an index to disconnect 12:26:33 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(0x0, r1) sendmsg$NBD_CMD_DISCONNECT(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000000)=ANY=[@ANYBLOB='l\x00\x00\x00', @ANYRES16=r2, @ANYBLOB="01002dbd7000fddbdf25020000000c00030001000100", @ANYRES32, @ANYBLOB="0800014036ece3"], 0x6c}}, 0x0) 12:26:33 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r1) sendmsg$NBD_CMD_DISCONNECT(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f00000004c0)=ANY=[@ANYBLOB="10000000", @ANYRES16=r2, @ANYBLOB="01002dbd7000fddbdf25020000000c00030001000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB], 0x6c}}, 0x0) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r1) (async) sendmsg$NBD_CMD_DISCONNECT(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f00000004c0)=ANY=[@ANYBLOB="10000000", @ANYRES16=r2, @ANYBLOB="01002dbd7000fddbdf25020000000c00030001000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB], 0x6c}}, 0x0) (async) 12:26:33 executing program 0: syz_open_dev$ndb(&(0x7f0000000080), 0x0, 0x0) 12:26:33 executing program 3: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) socket$nl_sock_diag(0x10, 0x3, 0x4) ioctl$NBD_SET_SOCK(r0, 0xab00, 0xffffffffffffffff) bpf$BPF_GET_BTF_INFO(0xf, &(0x7f00000003c0)={0xffffffffffffffff, 0x20, &(0x7f0000000380)={&(0x7f00000002c0)=""/1, 0x1, 0x0, &(0x7f0000000300)=""/77, 0x4d}}, 0x10) r2 = syz_genetlink_get_family_id$tipc(&(0x7f0000000080), 0xffffffffffffffff) bpf$BPF_BTF_GET_FD_BY_ID(0x13, &(0x7f0000000500)=r1, 0x4) sendmsg$TIPC_CMD_SET_NODE_ADDR(0xffffffffffffffff, &(0x7f0000000140)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x400000}, 0xc, &(0x7f0000000100)={&(0x7f00000000c0)={0x24, r2, 0x20, 0x70bd29, 0x25dfdbfc, {{}, {}, {0x8, 0x11, 0x706}}, ["", "", "", "", "", "", "", "", "", ""]}, 0x24}, 0x1, 0x0, 0x0, 0x4000094}, 0x20000000) r3 = socket$netlink(0x10, 0x3, 0x7) sendmsg$TIPC_CMD_SET_NETID(r3, &(0x7f0000000d80)={0x0, 0x0, &(0x7f0000000d40)={&(0x7f0000000d00)={0x24, 0x0, 0x0, 0x0, 0x0, {{}, {}, {0x8}}}, 0x24}}, 0x0) sendmsg$IPVS_CMD_SET_SERVICE(r3, &(0x7f00000004c0)={&(0x7f0000000400)={0x10, 0x0, 0x0, 0x4000000}, 0xc, &(0x7f0000000480)={&(0x7f0000000440)=ANY=[@ANYBLOB="5637f4ce", @ANYRES16=0x0, @ANYBLOB="000228bd7053f91168ed9126ee2a00fd6526836c4cdb"], 0x1c}, 0x1, 0x0, 0x0, 0x40080}, 0x0) sendmsg$TIPC_CMD_SET_LINK_WINDOW(0xffffffffffffffff, &(0x7f0000000280)={&(0x7f0000000180)={0x10, 0x0, 0x0, 0x200}, 0xc, &(0x7f0000000240)={&(0x7f0000000540)={0x68, r2, 0x200, 0x70bd28, 0x25dfdbff, {{}, {}, {0x4c, 0x18, {0x40002, @link='broadcast-link\x00'}}}, ["", "", "", "", ""]}, 0x68}, 0x1, 0x0, 0x0, 0x40}, 0x840) 12:26:33 executing program 4: r0 = openat$null(0xffffffffffffff9c, 0x0, 0x0, 0x0) mmap$perf(&(0x7f0000ffe000/0x2000)=nil, 0x2000, 0x0, 0x10, r0, 0x0) (async) write$tun(r0, &(0x7f0000000080)=ANY=[@ANYBLOB="000000f5008001040000dda606000001080006040002afd8db5f852ae00000010180c2000000ac1414aaadab27806c8601e60cda226ec46f55ee29b5f7b0b872fac7e1cb274466ca481c79e8"], 0x2a) (async) r1 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x40b01) ioctl$NBD_SET_SOCK(r1, 0xab00, 0xffffffffffffffff) [ 354.286988] nbd: must specify an index to disconnect 12:26:33 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), 0xffffffffffffffff) sendmsg$NBD_CMD_DISCONNECT(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000000)=ANY=[@ANYBLOB='l\x00\x00\x00', @ANYRES16=r1, @ANYBLOB="01002dbd7000fddbdf25020000000c00030001000100", @ANYRES32, @ANYBLOB="0800014036ece3"], 0x6c}}, 0x0) 12:26:33 executing program 0: syz_open_dev$ndb(&(0x7f0000000080), 0x0, 0x0) 12:26:33 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r1) sendmsg$NBD_CMD_DISCONNECT(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000000)=ANY=[@ANYBLOB='l\x00\x00\x00', @ANYRES16=r2, @ANYBLOB="01002dbd7000fddbdf25020000000c0003", @ANYRES32, @ANYBLOB="0800014036ece36e"], 0x6c}}, 0x0) 12:26:33 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r1) sendmsg$NBD_CMD_DISCONNECT(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f00000004c0)=ANY=[@ANYBLOB="10000000", @ANYRES16=r2, @ANYBLOB="01002dbd7000fddbdf25020000000c00030001000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB], 0x6c}}, 0x0) 12:26:33 executing program 3: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) socket$nl_sock_diag(0x10, 0x3, 0x4) (async) ioctl$NBD_SET_SOCK(r0, 0xab00, 0xffffffffffffffff) (async) bpf$BPF_GET_BTF_INFO(0xf, &(0x7f00000003c0)={0xffffffffffffffff, 0x20, &(0x7f0000000380)={&(0x7f00000002c0)=""/1, 0x1, 0x0, &(0x7f0000000300)=""/77, 0x4d}}, 0x10) r2 = syz_genetlink_get_family_id$tipc(&(0x7f0000000080), 0xffffffffffffffff) (async) bpf$BPF_BTF_GET_FD_BY_ID(0x13, &(0x7f0000000500)=r1, 0x4) sendmsg$TIPC_CMD_SET_NODE_ADDR(0xffffffffffffffff, &(0x7f0000000140)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x400000}, 0xc, &(0x7f0000000100)={&(0x7f00000000c0)={0x24, r2, 0x20, 0x70bd29, 0x25dfdbfc, {{}, {}, {0x8, 0x11, 0x706}}, ["", "", "", "", "", "", "", "", "", ""]}, 0x24}, 0x1, 0x0, 0x0, 0x4000094}, 0x20000000) (async) r3 = socket$netlink(0x10, 0x3, 0x7) sendmsg$TIPC_CMD_SET_NETID(r3, &(0x7f0000000d80)={0x0, 0x0, &(0x7f0000000d40)={&(0x7f0000000d00)={0x24, 0x0, 0x0, 0x0, 0x0, {{}, {}, {0x8}}}, 0x24}}, 0x0) (async, rerun: 64) sendmsg$IPVS_CMD_SET_SERVICE(r3, &(0x7f00000004c0)={&(0x7f0000000400)={0x10, 0x0, 0x0, 0x4000000}, 0xc, &(0x7f0000000480)={&(0x7f0000000440)=ANY=[@ANYBLOB="5637f4ce", @ANYRES16=0x0, @ANYBLOB="000228bd7053f91168ed9126ee2a00fd6526836c4cdb"], 0x1c}, 0x1, 0x0, 0x0, 0x40080}, 0x0) (rerun: 64) sendmsg$TIPC_CMD_SET_LINK_WINDOW(0xffffffffffffffff, &(0x7f0000000280)={&(0x7f0000000180)={0x10, 0x0, 0x0, 0x200}, 0xc, &(0x7f0000000240)={&(0x7f0000000540)={0x68, r2, 0x200, 0x70bd28, 0x25dfdbff, {{}, {}, {0x4c, 0x18, {0x40002, @link='broadcast-link\x00'}}}, ["", "", "", "", ""]}, 0x68}, 0x1, 0x0, 0x0, 0x40}, 0x840) 12:26:33 executing program 4: r0 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x40b01) ioctl$NBD_SET_SOCK(r0, 0xab00, 0xffffffffffffffff) 12:26:34 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r1) sendmsg$NBD_CMD_DISCONNECT(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000000)=ANY=[@ANYBLOB='l\x00\x00\x00', @ANYRES16=r2, @ANYBLOB="01002dbd7000fddbdf25020000000c0003", @ANYRES32, @ANYBLOB="0800014036ece36e"], 0x6c}}, 0x0) 12:26:34 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), 0xffffffffffffffff) sendmsg$NBD_CMD_DISCONNECT(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000000)=ANY=[@ANYBLOB='l\x00\x00\x00', @ANYRES16=r1, @ANYBLOB="01002dbd7000fddbdf25020000000c00030001000100", @ANYRES32, @ANYBLOB="0800014036ece3"], 0x6c}}, 0x0) 12:26:34 executing program 4: r0 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x40b01) ioctl$NBD_SET_SOCK(r0, 0xab00, 0xffffffffffffffff) [ 354.405213] nla_parse: 56 callbacks suppressed [ 354.405219] netlink: 76 bytes leftover after parsing attributes in process `syz-executor.2'. 12:26:34 executing program 4: r0 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x40b01) ioctl$NBD_SET_SOCK(r0, 0xab00, 0xffffffffffffffff) 12:26:34 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), 0xffffffffffffffff) sendmsg$NBD_CMD_DISCONNECT(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000000)=ANY=[@ANYBLOB='l\x00\x00\x00', @ANYRES16=r1, @ANYBLOB="01002dbd7000fddbdf25020000000c00030001000100", @ANYRES32, @ANYBLOB="0800014036ece3"], 0x6c}}, 0x0) 12:26:34 executing program 3: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) (async) socket$nl_sock_diag(0x10, 0x3, 0x4) ioctl$NBD_SET_SOCK(r0, 0xab00, 0xffffffffffffffff) (async) bpf$BPF_GET_BTF_INFO(0xf, &(0x7f00000003c0)={0xffffffffffffffff, 0x20, &(0x7f0000000380)={&(0x7f00000002c0)=""/1, 0x1, 0x0, &(0x7f0000000300)=""/77, 0x4d}}, 0x10) (async) r2 = syz_genetlink_get_family_id$tipc(&(0x7f0000000080), 0xffffffffffffffff) bpf$BPF_BTF_GET_FD_BY_ID(0x13, &(0x7f0000000500)=r1, 0x4) (async) sendmsg$TIPC_CMD_SET_NODE_ADDR(0xffffffffffffffff, &(0x7f0000000140)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x400000}, 0xc, &(0x7f0000000100)={&(0x7f00000000c0)={0x24, r2, 0x20, 0x70bd29, 0x25dfdbfc, {{}, {}, {0x8, 0x11, 0x706}}, ["", "", "", "", "", "", "", "", "", ""]}, 0x24}, 0x1, 0x0, 0x0, 0x4000094}, 0x20000000) (async) r3 = socket$netlink(0x10, 0x3, 0x7) sendmsg$TIPC_CMD_SET_NETID(r3, &(0x7f0000000d80)={0x0, 0x0, &(0x7f0000000d40)={&(0x7f0000000d00)={0x24, 0x0, 0x0, 0x0, 0x0, {{}, {}, {0x8}}}, 0x24}}, 0x0) sendmsg$IPVS_CMD_SET_SERVICE(r3, &(0x7f00000004c0)={&(0x7f0000000400)={0x10, 0x0, 0x0, 0x4000000}, 0xc, &(0x7f0000000480)={&(0x7f0000000440)=ANY=[@ANYBLOB="5637f4ce", @ANYRES16=0x0, @ANYBLOB="000228bd7053f91168ed9126ee2a00fd6526836c4cdb"], 0x1c}, 0x1, 0x0, 0x0, 0x40080}, 0x0) sendmsg$TIPC_CMD_SET_LINK_WINDOW(0xffffffffffffffff, &(0x7f0000000280)={&(0x7f0000000180)={0x10, 0x0, 0x0, 0x200}, 0xc, &(0x7f0000000240)={&(0x7f0000000540)={0x68, r2, 0x200, 0x70bd28, 0x25dfdbff, {{}, {}, {0x4c, 0x18, {0x40002, @link='broadcast-link\x00'}}}, ["", "", "", "", ""]}, 0x68}, 0x1, 0x0, 0x0, 0x40}, 0x840) 12:26:34 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r1) sendmsg$NBD_CMD_DISCONNECT(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000000)=ANY=[@ANYBLOB='l\x00\x00\x00', @ANYRES16=r2, @ANYBLOB="01002dbd7000fddbdf25020000000c0003000100", @ANYRES32, @ANYBLOB="0800014036ece36e"], 0x6c}}, 0x0) 12:26:34 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r1) sendmsg$NL802154_CMD_SET_CHANNEL(r1, &(0x7f00000001c0)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x40000}, 0xc, &(0x7f0000000180)={&(0x7f0000000080)={0x60, 0x0, 0x100, 0x70bd25, 0x25dfdbfb, {}, [@NL802154_ATTR_WPAN_PHY={0x8, 0x1, 0x1}, @NL802154_ATTR_WPAN_PHY={0x8, 0x1, 0x3}, @NL802154_ATTR_WPAN_DEV={0xc, 0x6, 0x2}, @NL802154_ATTR_WPAN_DEV={0xc, 0x6, 0x2}, @NL802154_ATTR_CHANNEL={0x5, 0x8, 0x8}, @NL802154_ATTR_PAGE={0x5, 0x7, 0x1d}, @NL802154_ATTR_IFINDEX={0x8}, @NL802154_ATTR_WPAN_DEV={0xc, 0x6, 0x3}]}, 0x60}, 0x1, 0x0, 0x0, 0x8000}, 0x800) sendmsg$NBD_CMD_DISCONNECT(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f00000004c0)=ANY=[@ANYBLOB='l\x00\x00\x00', @ANYRES16=r2, @ANYBLOB="01002dbd7000fddbdf25020000000c00030001000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB], 0x6c}}, 0x0) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r4 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r5 = syz_genetlink_get_family_id$nbd(&(0x7f0000000800), r3) sendmsg$NBD_CMD_STATUS(r4, &(0x7f00000008c0)={&(0x7f00000007c0)={0x10, 0x0, 0x0, 0x80000}, 0xc, &(0x7f0000000880)={&(0x7f0000000840)={0x34, r5, 0xb01, 0x70bd25, 0x25dfdbfd, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x3}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0xffff}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x34}, 0x1, 0x0, 0x0, 0x40000}, 0x0) ioctl$sock_SIOCGIFINDEX_802154(r1, 0x8933, &(0x7f0000000640)={'wpan4\x00', 0x0}) sendmsg$NL802154_CMD_SET_TX_POWER(r3, &(0x7f0000000780)={&(0x7f0000000600)={0x10, 0x0, 0x0, 0x20000}, 0xc, &(0x7f0000000700)={&(0x7f0000000680)={0x78, 0x0, 0x100, 0x70bd2a, 0x25dfdbfd, {}, [@NL802154_ATTR_IFINDEX={0x8}, @NL802154_ATTR_WPAN_DEV={0xc, 0x6, 0x2}, @NL802154_ATTR_WPAN_DEV={0xc, 0x6, 0x2}, @NL802154_ATTR_WPAN_DEV={0xc, 0x6, 0x100000001}, @NL802154_ATTR_TX_POWER={0x8, 0xb, 0xa}, @NL802154_ATTR_TX_POWER={0x8, 0xb, 0x3278}, @NL802154_ATTR_WPAN_DEV={0xc, 0x6, 0x300000003}, @NL802154_ATTR_TX_POWER={0x8, 0xb, 0x400}, @NL802154_ATTR_WPAN_DEV={0xc, 0x6, 0x3}, @NL802154_ATTR_IFINDEX={0x8, 0x3, r6}]}, 0x78}, 0x1, 0x0, 0x0, 0x20000000}, 0x50) r7 = syz_genetlink_get_family_id$nl802154(&(0x7f00000013c0), 0xffffffffffffffff) sendmsg$NL802154_CMD_SET_CCA_MODE(r4, &(0x7f0000001500)={&(0x7f0000001380), 0xc, &(0x7f00000014c0)={&(0x7f00000005c0)=ANY=[@ANYBLOB='$\x00\x00\x00', @ANYRES16=r7, @ANYBLOB="010000000000000000000d00000008000c000000000008000300", @ANYRES32=0x0, @ANYBLOB="844d2000000f000000009808dd07792243a408c1744d396a507c7e71"], 0x24}}, 0x0) sendmsg$NL802154_CMD_SET_LBT_MODE(r3, &(0x7f00000002c0)={&(0x7f0000000200), 0xc, &(0x7f0000000280)={&(0x7f0000000240)={0x3c, r7, 0x209, 0x70bd27, 0x25dfdbff, {}, [@NL802154_ATTR_LBT_MODE={0x5, 0x13, 0x1}, @NL802154_ATTR_WPAN_DEV={0xc, 0x6, 0x2}, @NL802154_ATTR_WPAN_DEV={0xc, 0x6, 0x300000003}, @NL802154_ATTR_IFINDEX={0x8}]}, 0x3c}}, 0x8004) r8 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) ioctl$sock_SIOCGIFINDEX_802154(r1, 0x8933, &(0x7f0000000440)={'wpan0\x00', 0x0}) r10 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) ioctl$sock_SIOCGIFINDEX_802154(r10, 0x8933, &(0x7f0000000740)={'wpan0\x00', 0x0}) r12 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r13 = syz_genetlink_get_family_id$nl802154(&(0x7f00000013c0), r8) sendmsg$NL802154_CMD_GET_WPAN_PHY(r12, &(0x7f0000000cc0)={0x0, 0x0, &(0x7f0000000c80)={&(0x7f0000000c00)={0x30, r13, 0x421, 0x0, 0x0, {}, [@NL802154_ATTR_WPAN_PHY={0x8, 0x1, 0x2}, @NL802154_ATTR_IFINDEX={0x8, 0x3, r11}, @NL802154_ATTR_WPAN_DEV={0xc, 0x6, 0x100000001}]}, 0x30}}, 0x0) sendmsg$NL802154_CMD_GET_WPAN_PHY(r8, &(0x7f0000000580)={&(0x7f0000000400)={0x10, 0x0, 0x0, 0x10000}, 0xc, &(0x7f0000000480)={&(0x7f0000000500)={0x54, 0x0, 0x100, 0x70bd2b, 0x25dfdbfb, {}, [@NL802154_ATTR_WPAN_PHY={0x8, 0x1, 0x1}, @NL802154_ATTR_IFINDEX={0x8, 0x3, r9}, @NL802154_ATTR_WPAN_DEV={0xc, 0x6, 0x100000001}, @NL802154_ATTR_IFINDEX={0x8, 0x3, r11}, @NL802154_ATTR_WPAN_PHY={0x8}, @NL802154_ATTR_WPAN_PHY={0x8}, @NL802154_ATTR_WPAN_DEV={0xc, 0x6, 0x3}]}, 0x54}, 0x1, 0x0, 0x0, 0x8004}, 0x80) r14 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r15 = syz_genetlink_get_family_id$nl802154(&(0x7f00000013c0), 0xffffffffffffffff) sendmsg$NL802154_CMD_SET_CCA_MODE(r14, &(0x7f0000001500)={&(0x7f0000001380), 0xc, &(0x7f00000014c0)={&(0x7f0000001440)={0x24, r15, 0x1, 0x0, 0x0, {}, [@NL802154_ATTR_CCA_MODE={0x8}, @NL802154_ATTR_IFINDEX={0x8}]}, 0x24}}, 0x0) sendmsg$NL802154_CMD_GET_SEC_KEY(0xffffffffffffffff, &(0x7f00000003c0)={&(0x7f0000000300)={0x10, 0x0, 0x0, 0x648eeb06b3113304}, 0xc, &(0x7f0000000380)={&(0x7f0000000340)={0x20, r15, 0x400, 0x70bd28, 0x25dfdbfd, {}, [@NL802154_ATTR_WPAN_DEV={0xc, 0x6, 0x3}]}, 0x20}, 0x1, 0x0, 0x0, 0xc080}, 0x0) [ 354.468500] nbd: must specify an index to disconnect [ 354.480692] netlink: 76 bytes leftover after parsing attributes in process `syz-executor.0'. [ 354.493044] nbd: must specify an index to disconnect 12:26:34 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r1) sendmsg$NBD_CMD_DISCONNECT(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000000)=ANY=[@ANYBLOB='l\x00\x00\x00', @ANYRES16=r2, @ANYBLOB="01002dbd7000fddbdf25020000000c0003", @ANYRES32, @ANYBLOB="0800014036ece36e"], 0x6c}}, 0x0) 12:26:34 executing program 5: syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r0) sendmsg$NBD_CMD_DISCONNECT(0xffffffffffffffff, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000000)=ANY=[@ANYBLOB='l\x00\x00\x00', @ANYRES16=r1, @ANYBLOB="01002dbd7000fddbdf25020000000c00030001000100", @ANYRES32, @ANYBLOB="0800014036ece3"], 0x6c}}, 0x0) 12:26:34 executing program 4: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x40b01) ioctl$NBD_SET_SOCK(r0, 0xab00, 0xffffffffffffffff) r1 = openat$vcsa(0xffffffffffffff9c, &(0x7f0000000040), 0x8000, 0x0) sendmsg$nl_route(r1, &(0x7f0000000180)={&(0x7f0000000080)={0x10, 0x0, 0x0, 0x2000}, 0xc, &(0x7f0000000140)={&(0x7f00000001c0)=ANY=[@ANYBLOB="1ee8a3cbb955f7b0822d8f631946f7b9f2e32caa2a356323e1f3cd89fda05bfa704670370d4e8fe0faebbbbafbbc5027c675cd4163690d2b02fb11b08e890050172536b1a1d74bc9decd4cf041dfad8b662840e97e7a05e63a4934a2c884fd732f3b3a7bd849c1b489b2f5230f5b663eb8a3d8a4320cdc3a838e92f45fcd124977f2471354363d", @ANYRES32=0x0, @ANYBLOB="4842000000010000140003006d61637365633000000000000000000008002c0027ffffff0a000100bbbbbbbbbbbb000008002c00ff0000000500270004000000"], 0x58}}, 0x10) [ 354.532078] netlink: 76 bytes leftover after parsing attributes in process `syz-executor.2'. 12:26:34 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r1) sendmsg$NBD_CMD_DISCONNECT(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000000)=ANY=[@ANYBLOB='l\x00\x00\x00', @ANYRES16=r2, @ANYBLOB="01002dbd7000fddbdf25020000000c0003000100", @ANYRES32, @ANYBLOB="0800014036ece36e"], 0x6c}}, 0x0) 12:26:34 executing program 3: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) r1 = syz_open_dev$dri(&(0x7f00000000c0), 0x5, 0x420480) r2 = openat$null(0xffffffffffffff9c, 0x0, 0x0, 0x0) mmap$perf(&(0x7f0000ffe000/0x2000)=nil, 0x2000, 0x0, 0x10, r2, 0x0) ioctl$DRM_IOCTL_SYNCOBJ_FD_TO_HANDLE_FD(r1, 0xc01064c2, &(0x7f0000000100)={0x0, 0x0, r2}) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000280)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r0, 0xab00, r3) r4 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r5 = syz_genetlink_get_family_id$nbd(&(0x7f0000000180), 0xffffffffffffffff) sendmsg$NBD_CMD_STATUS(r4, &(0x7f0000000240)={&(0x7f0000000140)={0x10, 0x0, 0x0, 0x400000}, 0xc, &(0x7f0000000200)={&(0x7f00000001c0)={0x2c, r5, 0x2, 0x70bd2d, 0x25dfdbfb, {}, [@NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x8}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}]}, 0x2c}, 0x1, 0x0, 0x0, 0x4}, 0x4000080) getsockname$netlink(0xffffffffffffffff, &(0x7f0000000040), &(0x7f0000000080)=0xc) [ 354.574100] nbd: must specify an index to disconnect [ 354.593925] netlink: 68 bytes leftover after parsing attributes in process `syz-executor.1'. [ 354.607354] nbd: couldn't find device at index -1 12:26:34 executing program 4: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x40b01) ioctl$NBD_SET_SOCK(r0, 0xab00, 0xffffffffffffffff) r1 = openat$vcsa(0xffffffffffffff9c, &(0x7f0000000040), 0x8000, 0x0) sendmsg$nl_route(r1, &(0x7f0000000180)={&(0x7f0000000080)={0x10, 0x0, 0x0, 0x2000}, 0xc, &(0x7f0000000140)={&(0x7f00000001c0)=ANY=[@ANYBLOB="1ee8a3cbb955f7b0822d8f631946f7b9f2e32caa2a356323e1f3cd89fda05bfa704670370d4e8fe0faebbbbafbbc5027c675cd4163690d2b02fb11b08e890050172536b1a1d74bc9decd4cf041dfad8b662840e97e7a05e63a4934a2c884fd732f3b3a7bd849c1b489b2f5230f5b663eb8a3d8a4320cdc3a838e92f45fcd124977f2471354363d", @ANYRES32=0x0, @ANYBLOB="4842000000010000140003006d61637365633000000000000000000008002c0027ffffff0a000100bbbbbbbbbbbb000008002c00ff0000000500270004000000"], 0x58}}, 0x10) 12:26:34 executing program 5: syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r0) sendmsg$NBD_CMD_DISCONNECT(0xffffffffffffffff, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000000)=ANY=[@ANYBLOB='l\x00\x00\x00', @ANYRES16=r1, @ANYBLOB="01002dbd7000fddbdf25020000000c00030001000100", @ANYRES32, @ANYBLOB="0800014036ece3"], 0x6c}}, 0x0) [ 354.619487] netlink: 76 bytes leftover after parsing attributes in process `syz-executor.0'. [ 354.628073] nbd: must specify an index to disconnect 12:26:34 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r1) sendmsg$NBD_CMD_DISCONNECT(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000000)=ANY=[@ANYBLOB='l\x00\x00\x00', @ANYRES16=r2, @ANYBLOB="01002dbd7000fddbdf25020000000c0003", @ANYRES32, @ANYBLOB="0800014036ece36e"], 0x6c}}, 0x0) 12:26:34 executing program 3: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) (async) r1 = syz_open_dev$dri(&(0x7f00000000c0), 0x5, 0x420480) r2 = openat$null(0xffffffffffffff9c, 0x0, 0x0, 0x0) mmap$perf(&(0x7f0000ffe000/0x2000)=nil, 0x2000, 0x0, 0x10, r2, 0x0) (async) ioctl$DRM_IOCTL_SYNCOBJ_FD_TO_HANDLE_FD(r1, 0xc01064c2, &(0x7f0000000100)={0x0, 0x0, r2}) (async) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000280)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r0, 0xab00, r3) (async) r4 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r5 = syz_genetlink_get_family_id$nbd(&(0x7f0000000180), 0xffffffffffffffff) sendmsg$NBD_CMD_STATUS(r4, &(0x7f0000000240)={&(0x7f0000000140)={0x10, 0x0, 0x0, 0x400000}, 0xc, &(0x7f0000000200)={&(0x7f00000001c0)={0x2c, r5, 0x2, 0x70bd2d, 0x25dfdbfb, {}, [@NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x8}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}]}, 0x2c}, 0x1, 0x0, 0x0, 0x4}, 0x4000080) getsockname$netlink(0xffffffffffffffff, &(0x7f0000000040), &(0x7f0000000080)=0xc) [ 354.671064] block nbd3: shutting down sockets 12:26:34 executing program 4: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x40b01) ioctl$NBD_SET_SOCK(r0, 0xab00, 0xffffffffffffffff) r1 = openat$vcsa(0xffffffffffffff9c, &(0x7f0000000040), 0x8000, 0x0) sendmsg$nl_route(r1, &(0x7f0000000180)={&(0x7f0000000080)={0x10, 0x0, 0x0, 0x2000}, 0xc, &(0x7f0000000140)={&(0x7f00000001c0)=ANY=[@ANYBLOB="1ee8a3cbb955f7b0822d8f631946f7b9f2e32caa2a356323e1f3cd89fda05bfa704670370d4e8fe0faebbbbafbbc5027c675cd4163690d2b02fb11b08e890050172536b1a1d74bc9decd4cf041dfad8b662840e97e7a05e63a4934a2c884fd732f3b3a7bd849c1b489b2f5230f5b663eb8a3d8a4320cdc3a838e92f45fcd124977f2471354363d", @ANYRES32=0x0, @ANYBLOB="4842000000010000140003006d61637365633000000000000000000008002c0027ffffff0a000100bbbbbbbbbbbb000008002c00ff0000000500270004000000"], 0x58}}, 0x10) syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x40b01) (async) ioctl$NBD_SET_SOCK(r0, 0xab00, 0xffffffffffffffff) (async) openat$vcsa(0xffffffffffffff9c, &(0x7f0000000040), 0x8000, 0x0) (async) sendmsg$nl_route(r1, &(0x7f0000000180)={&(0x7f0000000080)={0x10, 0x0, 0x0, 0x2000}, 0xc, &(0x7f0000000140)={&(0x7f00000001c0)=ANY=[@ANYBLOB="1ee8a3cbb955f7b0822d8f631946f7b9f2e32caa2a356323e1f3cd89fda05bfa704670370d4e8fe0faebbbbafbbc5027c675cd4163690d2b02fb11b08e890050172536b1a1d74bc9decd4cf041dfad8b662840e97e7a05e63a4934a2c884fd732f3b3a7bd849c1b489b2f5230f5b663eb8a3d8a4320cdc3a838e92f45fcd124977f2471354363d", @ANYRES32=0x0, @ANYBLOB="4842000000010000140003006d61637365633000000000000000000008002c0027ffffff0a000100bbbbbbbbbbbb000008002c00ff0000000500270004000000"], 0x58}}, 0x10) (async) [ 354.696452] netlink: 76 bytes leftover after parsing attributes in process `syz-executor.2'. [ 354.731300] nbd: must specify an index to disconnect 12:26:34 executing program 5: syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r0) sendmsg$NBD_CMD_DISCONNECT(0xffffffffffffffff, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000000)=ANY=[@ANYBLOB='l\x00\x00\x00', @ANYRES16=r1, @ANYBLOB="01002dbd7000fddbdf25020000000c00030001000100", @ANYRES32, @ANYBLOB="0800014036ece3"], 0x6c}}, 0x0) [ 354.742449] netlink: 76 bytes leftover after parsing attributes in process `syz-executor.0'. 12:26:34 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r1) sendmsg$NL802154_CMD_SET_CHANNEL(r1, &(0x7f00000001c0)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x40000}, 0xc, &(0x7f0000000180)={&(0x7f0000000080)={0x60, 0x0, 0x100, 0x70bd25, 0x25dfdbfb, {}, [@NL802154_ATTR_WPAN_PHY={0x8, 0x1, 0x1}, @NL802154_ATTR_WPAN_PHY={0x8, 0x1, 0x3}, @NL802154_ATTR_WPAN_DEV={0xc, 0x6, 0x2}, @NL802154_ATTR_WPAN_DEV={0xc, 0x6, 0x2}, @NL802154_ATTR_CHANNEL={0x5, 0x8, 0x8}, @NL802154_ATTR_PAGE={0x5, 0x7, 0x1d}, @NL802154_ATTR_IFINDEX={0x8}, @NL802154_ATTR_WPAN_DEV={0xc, 0x6, 0x3}]}, 0x60}, 0x1, 0x0, 0x0, 0x8000}, 0x800) (async, rerun: 32) sendmsg$NBD_CMD_DISCONNECT(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f00000004c0)=ANY=[@ANYBLOB='l\x00\x00\x00', @ANYRES16=r2, @ANYBLOB="01002dbd7000fddbdf25020000000c00030001000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB], 0x6c}}, 0x0) (async, rerun: 32) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r4 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) r5 = syz_genetlink_get_family_id$nbd(&(0x7f0000000800), r3) sendmsg$NBD_CMD_STATUS(r4, &(0x7f00000008c0)={&(0x7f00000007c0)={0x10, 0x0, 0x0, 0x80000}, 0xc, &(0x7f0000000880)={&(0x7f0000000840)={0x34, r5, 0xb01, 0x70bd25, 0x25dfdbfd, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x3}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0xffff}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x34}, 0x1, 0x0, 0x0, 0x40000}, 0x0) (async) ioctl$sock_SIOCGIFINDEX_802154(r1, 0x8933, &(0x7f0000000640)={'wpan4\x00', 0x0}) sendmsg$NL802154_CMD_SET_TX_POWER(r3, &(0x7f0000000780)={&(0x7f0000000600)={0x10, 0x0, 0x0, 0x20000}, 0xc, &(0x7f0000000700)={&(0x7f0000000680)={0x78, 0x0, 0x100, 0x70bd2a, 0x25dfdbfd, {}, [@NL802154_ATTR_IFINDEX={0x8}, @NL802154_ATTR_WPAN_DEV={0xc, 0x6, 0x2}, @NL802154_ATTR_WPAN_DEV={0xc, 0x6, 0x2}, @NL802154_ATTR_WPAN_DEV={0xc, 0x6, 0x100000001}, @NL802154_ATTR_TX_POWER={0x8, 0xb, 0xa}, @NL802154_ATTR_TX_POWER={0x8, 0xb, 0x3278}, @NL802154_ATTR_WPAN_DEV={0xc, 0x6, 0x300000003}, @NL802154_ATTR_TX_POWER={0x8, 0xb, 0x400}, @NL802154_ATTR_WPAN_DEV={0xc, 0x6, 0x3}, @NL802154_ATTR_IFINDEX={0x8, 0x3, r6}]}, 0x78}, 0x1, 0x0, 0x0, 0x20000000}, 0x50) r7 = syz_genetlink_get_family_id$nl802154(&(0x7f00000013c0), 0xffffffffffffffff) sendmsg$NL802154_CMD_SET_CCA_MODE(r4, &(0x7f0000001500)={&(0x7f0000001380), 0xc, &(0x7f00000014c0)={&(0x7f00000005c0)=ANY=[@ANYBLOB='$\x00\x00\x00', @ANYRES16=r7, @ANYBLOB="010000000000000000000d00000008000c000000000008000300", @ANYRES32=0x0, @ANYBLOB="844d2000000f000000009808dd07792243a408c1744d396a507c7e71"], 0x24}}, 0x0) sendmsg$NL802154_CMD_SET_LBT_MODE(r3, &(0x7f00000002c0)={&(0x7f0000000200), 0xc, &(0x7f0000000280)={&(0x7f0000000240)={0x3c, r7, 0x209, 0x70bd27, 0x25dfdbff, {}, [@NL802154_ATTR_LBT_MODE={0x5, 0x13, 0x1}, @NL802154_ATTR_WPAN_DEV={0xc, 0x6, 0x2}, @NL802154_ATTR_WPAN_DEV={0xc, 0x6, 0x300000003}, @NL802154_ATTR_IFINDEX={0x8}]}, 0x3c}}, 0x8004) (async) r8 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) ioctl$sock_SIOCGIFINDEX_802154(r1, 0x8933, &(0x7f0000000440)={'wpan0\x00', 0x0}) r10 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) ioctl$sock_SIOCGIFINDEX_802154(r10, 0x8933, &(0x7f0000000740)={'wpan0\x00', 0x0}) r12 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r13 = syz_genetlink_get_family_id$nl802154(&(0x7f00000013c0), r8) sendmsg$NL802154_CMD_GET_WPAN_PHY(r12, &(0x7f0000000cc0)={0x0, 0x0, &(0x7f0000000c80)={&(0x7f0000000c00)={0x30, r13, 0x421, 0x0, 0x0, {}, [@NL802154_ATTR_WPAN_PHY={0x8, 0x1, 0x2}, @NL802154_ATTR_IFINDEX={0x8, 0x3, r11}, @NL802154_ATTR_WPAN_DEV={0xc, 0x6, 0x100000001}]}, 0x30}}, 0x0) sendmsg$NL802154_CMD_GET_WPAN_PHY(r8, &(0x7f0000000580)={&(0x7f0000000400)={0x10, 0x0, 0x0, 0x10000}, 0xc, &(0x7f0000000480)={&(0x7f0000000500)={0x54, 0x0, 0x100, 0x70bd2b, 0x25dfdbfb, {}, [@NL802154_ATTR_WPAN_PHY={0x8, 0x1, 0x1}, @NL802154_ATTR_IFINDEX={0x8, 0x3, r9}, @NL802154_ATTR_WPAN_DEV={0xc, 0x6, 0x100000001}, @NL802154_ATTR_IFINDEX={0x8, 0x3, r11}, @NL802154_ATTR_WPAN_PHY={0x8}, @NL802154_ATTR_WPAN_PHY={0x8}, @NL802154_ATTR_WPAN_DEV={0xc, 0x6, 0x3}]}, 0x54}, 0x1, 0x0, 0x0, 0x8004}, 0x80) r14 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r15 = syz_genetlink_get_family_id$nl802154(&(0x7f00000013c0), 0xffffffffffffffff) sendmsg$NL802154_CMD_SET_CCA_MODE(r14, &(0x7f0000001500)={&(0x7f0000001380), 0xc, &(0x7f00000014c0)={&(0x7f0000001440)={0x24, r15, 0x1, 0x0, 0x0, {}, [@NL802154_ATTR_CCA_MODE={0x8}, @NL802154_ATTR_IFINDEX={0x8}]}, 0x24}}, 0x0) sendmsg$NL802154_CMD_GET_SEC_KEY(0xffffffffffffffff, &(0x7f00000003c0)={&(0x7f0000000300)={0x10, 0x0, 0x0, 0x648eeb06b3113304}, 0xc, &(0x7f0000000380)={&(0x7f0000000340)={0x20, r15, 0x400, 0x70bd28, 0x25dfdbfd, {}, [@NL802154_ATTR_WPAN_DEV={0xc, 0x6, 0x3}]}, 0x20}, 0x1, 0x0, 0x0, 0xc080}, 0x0) 12:26:34 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r1) sendmsg$NBD_CMD_DISCONNECT(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000000)=ANY=[@ANYBLOB='l\x00\x00\x00', @ANYRES16=r2, @ANYBLOB="01002dbd7000fddbdf25020000000c0003000100", @ANYRES32, @ANYBLOB="0800014036ece36e"], 0x6c}}, 0x0) 12:26:34 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r1) sendmsg$NBD_CMD_DISCONNECT(r0, 0x0, 0x0) 12:26:34 executing program 4: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x56b01) ioctl$NBD_SET_SOCK(r0, 0xab00, 0xffffffffffffffff) [ 354.774130] nbd: must specify an index to disconnect [ 354.789681] block nbd3: shutting down sockets 12:26:34 executing program 3: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) r1 = syz_open_dev$dri(&(0x7f00000000c0), 0x5, 0x420480) r2 = openat$null(0xffffffffffffff9c, 0x0, 0x0, 0x0) mmap$perf(&(0x7f0000ffe000/0x2000)=nil, 0x2000, 0x0, 0x10, r2, 0x0) ioctl$DRM_IOCTL_SYNCOBJ_FD_TO_HANDLE_FD(r1, 0xc01064c2, &(0x7f0000000100)={0x0, 0x0, r2}) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000280)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r0, 0xab00, r3) r4 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r5 = syz_genetlink_get_family_id$nbd(&(0x7f0000000180), 0xffffffffffffffff) sendmsg$NBD_CMD_STATUS(r4, &(0x7f0000000240)={&(0x7f0000000140)={0x10, 0x0, 0x0, 0x400000}, 0xc, &(0x7f0000000200)={&(0x7f00000001c0)={0x2c, r5, 0x2, 0x70bd2d, 0x25dfdbfb, {}, [@NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x8}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}]}, 0x2c}, 0x1, 0x0, 0x0, 0x4}, 0x4000080) getsockname$netlink(0xffffffffffffffff, &(0x7f0000000040), &(0x7f0000000080)=0xc) syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) (async) syz_open_dev$dri(&(0x7f00000000c0), 0x5, 0x420480) (async) openat$null(0xffffffffffffff9c, 0x0, 0x0, 0x0) (async) mmap$perf(&(0x7f0000ffe000/0x2000)=nil, 0x2000, 0x0, 0x10, r2, 0x0) (async) ioctl$DRM_IOCTL_SYNCOBJ_FD_TO_HANDLE_FD(r1, 0xc01064c2, &(0x7f0000000100)={0x0, 0x0, r2}) (async) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000280)) (async) ioctl$NBD_SET_SOCK(r0, 0xab00, r3) (async) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) syz_genetlink_get_family_id$nbd(&(0x7f0000000180), 0xffffffffffffffff) (async) sendmsg$NBD_CMD_STATUS(r4, &(0x7f0000000240)={&(0x7f0000000140)={0x10, 0x0, 0x0, 0x400000}, 0xc, &(0x7f0000000200)={&(0x7f00000001c0)={0x2c, r5, 0x2, 0x70bd2d, 0x25dfdbfb, {}, [@NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x8}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}]}, 0x2c}, 0x1, 0x0, 0x0, 0x4}, 0x4000080) (async) getsockname$netlink(0xffffffffffffffff, &(0x7f0000000040), &(0x7f0000000080)=0xc) (async) 12:26:34 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r1) sendmsg$NBD_CMD_DISCONNECT(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000000)=ANY=[@ANYBLOB='l\x00\x00\x00', @ANYRES16=r2, @ANYBLOB="01002dbd7000fddbdf25020000000c0003", @ANYRES32, @ANYBLOB="0800014036ece36e"], 0x6c}}, 0x0) 12:26:34 executing program 4: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x56b01) ioctl$NBD_SET_SOCK(r0, 0xab00, 0xffffffffffffffff) 12:26:34 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r1) sendmsg$NBD_CMD_DISCONNECT(r0, 0x0, 0x0) 12:26:34 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r1) sendmsg$NBD_CMD_DISCONNECT(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000000)=ANY=[@ANYBLOB='l\x00\x00\x00', @ANYRES16=r2, @ANYBLOB="01002dbd7000fddbdf25020000000c000300010001", @ANYRES32, @ANYBLOB="0800014036ece36e"], 0x6c}}, 0x0) [ 354.852866] netlink: 76 bytes leftover after parsing attributes in process `syz-executor.2'. [ 354.881262] nbd: must specify an index to disconnect [ 354.894503] netlink: 68 bytes leftover after parsing attributes in process `syz-executor.1'. 12:26:34 executing program 4: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x56b01) ioctl$NBD_SET_SOCK(r0, 0xab00, 0xffffffffffffffff) 12:26:34 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r1) sendmsg$NBD_CMD_DISCONNECT(r0, 0x0, 0x0) [ 354.921768] nbd: couldn't find device at index -1 [ 354.940138] netlink: 76 bytes leftover after parsing attributes in process `syz-executor.0'. [ 354.956910] nbd: must specify an index to disconnect [ 354.965783] nbd: couldn't find device at index -1 12:26:34 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r1) sendmsg$NBD_CMD_DISCONNECT(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000000)=ANY=[@ANYBLOB='l\x00\x00\x00', @ANYRES16=r2, @ANYBLOB="01002dbd7000fddbdf25020000000c000300010001", @ANYRES32, @ANYBLOB="0800014036ece36e"], 0x6c}}, 0x0) [ 354.986680] nbd: must specify an index to disconnect [ 354.993491] nbd: couldn't find device at index -1 [ 355.024847] nbd: couldn't find device at index -1 [ 355.030731] block nbd3: shutting down sockets [ 355.035429] nbd: couldn't find device at index -1 [ 355.041446] nbd: couldn't find device at index -1 [ 355.046684] nbd: couldn't find device at index -1 [ 355.057423] nbd: couldn't find device at index -1 [ 355.065022] nbd: must specify an index to disconnect [ 355.071863] nbd: couldn't find device at index -1 [ 355.083749] nbd: couldn't find device at index -1 [ 355.097673] nbd: couldn't find device at index -1 [ 355.105539] nbd: couldn't find device at index -1 [ 355.112041] nbd: couldn't find device at index -1 [ 355.124349] nbd: couldn't find device at index -1 [ 355.129839] nbd: couldn't find device at index -1 [ 355.135945] nbd: couldn't find device at index -1 [ 355.142204] nbd: couldn't find device at index -1 [ 355.147153] nbd: couldn't find device at index -1 [ 355.152878] nbd: couldn't find device at index -1 [ 355.157758] nbd: couldn't find device at index -1 [ 355.163244] nbd: couldn't find device at index -1 [ 355.168117] nbd: couldn't find device at index -1 [ 355.174273] nbd: couldn't find device at index -1 [ 355.179638] nbd: couldn't find device at index -1 12:26:34 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r1) sendmsg$NL802154_CMD_SET_CHANNEL(r1, &(0x7f00000001c0)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x40000}, 0xc, &(0x7f0000000180)={&(0x7f0000000080)={0x60, 0x0, 0x100, 0x70bd25, 0x25dfdbfb, {}, [@NL802154_ATTR_WPAN_PHY={0x8, 0x1, 0x1}, @NL802154_ATTR_WPAN_PHY={0x8, 0x1, 0x3}, @NL802154_ATTR_WPAN_DEV={0xc, 0x6, 0x2}, @NL802154_ATTR_WPAN_DEV={0xc, 0x6, 0x2}, @NL802154_ATTR_CHANNEL={0x5, 0x8, 0x8}, @NL802154_ATTR_PAGE={0x5, 0x7, 0x1d}, @NL802154_ATTR_IFINDEX={0x8}, @NL802154_ATTR_WPAN_DEV={0xc, 0x6, 0x3}]}, 0x60}, 0x1, 0x0, 0x0, 0x8000}, 0x800) (async, rerun: 64) sendmsg$NBD_CMD_DISCONNECT(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f00000004c0)=ANY=[@ANYBLOB='l\x00\x00\x00', @ANYRES16=r2, @ANYBLOB="01002dbd7000fddbdf25020000000c00030001000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB], 0x6c}}, 0x0) (async, rerun: 64) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r4 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) r5 = syz_genetlink_get_family_id$nbd(&(0x7f0000000800), r3) sendmsg$NBD_CMD_STATUS(r4, &(0x7f00000008c0)={&(0x7f00000007c0)={0x10, 0x0, 0x0, 0x80000}, 0xc, &(0x7f0000000880)={&(0x7f0000000840)={0x34, r5, 0xb01, 0x70bd25, 0x25dfdbfd, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x3}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0xffff}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x34}, 0x1, 0x0, 0x0, 0x40000}, 0x0) (async, rerun: 32) ioctl$sock_SIOCGIFINDEX_802154(r1, 0x8933, &(0x7f0000000640)={'wpan4\x00', 0x0}) (rerun: 32) sendmsg$NL802154_CMD_SET_TX_POWER(r3, &(0x7f0000000780)={&(0x7f0000000600)={0x10, 0x0, 0x0, 0x20000}, 0xc, &(0x7f0000000700)={&(0x7f0000000680)={0x78, 0x0, 0x100, 0x70bd2a, 0x25dfdbfd, {}, [@NL802154_ATTR_IFINDEX={0x8}, @NL802154_ATTR_WPAN_DEV={0xc, 0x6, 0x2}, @NL802154_ATTR_WPAN_DEV={0xc, 0x6, 0x2}, @NL802154_ATTR_WPAN_DEV={0xc, 0x6, 0x100000001}, @NL802154_ATTR_TX_POWER={0x8, 0xb, 0xa}, @NL802154_ATTR_TX_POWER={0x8, 0xb, 0x3278}, @NL802154_ATTR_WPAN_DEV={0xc, 0x6, 0x300000003}, @NL802154_ATTR_TX_POWER={0x8, 0xb, 0x400}, @NL802154_ATTR_WPAN_DEV={0xc, 0x6, 0x3}, @NL802154_ATTR_IFINDEX={0x8, 0x3, r6}]}, 0x78}, 0x1, 0x0, 0x0, 0x20000000}, 0x50) r7 = syz_genetlink_get_family_id$nl802154(&(0x7f00000013c0), 0xffffffffffffffff) sendmsg$NL802154_CMD_SET_CCA_MODE(r4, &(0x7f0000001500)={&(0x7f0000001380), 0xc, &(0x7f00000014c0)={&(0x7f00000005c0)=ANY=[@ANYBLOB='$\x00\x00\x00', @ANYRES16=r7, @ANYBLOB="010000000000000000000d00000008000c000000000008000300", @ANYRES32=0x0, @ANYBLOB="844d2000000f000000009808dd07792243a408c1744d396a507c7e71"], 0x24}}, 0x0) (async) sendmsg$NL802154_CMD_SET_LBT_MODE(r3, &(0x7f00000002c0)={&(0x7f0000000200), 0xc, &(0x7f0000000280)={&(0x7f0000000240)={0x3c, r7, 0x209, 0x70bd27, 0x25dfdbff, {}, [@NL802154_ATTR_LBT_MODE={0x5, 0x13, 0x1}, @NL802154_ATTR_WPAN_DEV={0xc, 0x6, 0x2}, @NL802154_ATTR_WPAN_DEV={0xc, 0x6, 0x300000003}, @NL802154_ATTR_IFINDEX={0x8}]}, 0x3c}}, 0x8004) r8 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) ioctl$sock_SIOCGIFINDEX_802154(r1, 0x8933, &(0x7f0000000440)={'wpan0\x00', 0x0}) (async) r10 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) ioctl$sock_SIOCGIFINDEX_802154(r10, 0x8933, &(0x7f0000000740)={'wpan0\x00', 0x0}) (async) r12 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async, rerun: 32) r13 = syz_genetlink_get_family_id$nl802154(&(0x7f00000013c0), r8) (rerun: 32) sendmsg$NL802154_CMD_GET_WPAN_PHY(r12, &(0x7f0000000cc0)={0x0, 0x0, &(0x7f0000000c80)={&(0x7f0000000c00)={0x30, r13, 0x421, 0x0, 0x0, {}, [@NL802154_ATTR_WPAN_PHY={0x8, 0x1, 0x2}, @NL802154_ATTR_IFINDEX={0x8, 0x3, r11}, @NL802154_ATTR_WPAN_DEV={0xc, 0x6, 0x100000001}]}, 0x30}}, 0x0) sendmsg$NL802154_CMD_GET_WPAN_PHY(r8, &(0x7f0000000580)={&(0x7f0000000400)={0x10, 0x0, 0x0, 0x10000}, 0xc, &(0x7f0000000480)={&(0x7f0000000500)={0x54, 0x0, 0x100, 0x70bd2b, 0x25dfdbfb, {}, [@NL802154_ATTR_WPAN_PHY={0x8, 0x1, 0x1}, @NL802154_ATTR_IFINDEX={0x8, 0x3, r9}, @NL802154_ATTR_WPAN_DEV={0xc, 0x6, 0x100000001}, @NL802154_ATTR_IFINDEX={0x8, 0x3, r11}, @NL802154_ATTR_WPAN_PHY={0x8}, @NL802154_ATTR_WPAN_PHY={0x8}, @NL802154_ATTR_WPAN_DEV={0xc, 0x6, 0x3}]}, 0x54}, 0x1, 0x0, 0x0, 0x8004}, 0x80) (async) r14 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) r15 = syz_genetlink_get_family_id$nl802154(&(0x7f00000013c0), 0xffffffffffffffff) sendmsg$NL802154_CMD_SET_CCA_MODE(r14, &(0x7f0000001500)={&(0x7f0000001380), 0xc, &(0x7f00000014c0)={&(0x7f0000001440)={0x24, r15, 0x1, 0x0, 0x0, {}, [@NL802154_ATTR_CCA_MODE={0x8}, @NL802154_ATTR_IFINDEX={0x8}]}, 0x24}}, 0x0) (async) sendmsg$NL802154_CMD_GET_SEC_KEY(0xffffffffffffffff, &(0x7f00000003c0)={&(0x7f0000000300)={0x10, 0x0, 0x0, 0x648eeb06b3113304}, 0xc, &(0x7f0000000380)={&(0x7f0000000340)={0x20, r15, 0x400, 0x70bd28, 0x25dfdbfd, {}, [@NL802154_ATTR_WPAN_DEV={0xc, 0x6, 0x3}]}, 0x20}, 0x1, 0x0, 0x0, 0xc080}, 0x0) 12:26:34 executing program 4: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x40b01) ioctl$NBD_SET_SOCK(r0, 0xab00, 0xffffffffffffffff) r1 = socket$nl_generic(0x10, 0x3, 0x10) sendmsg$BATADV_CMD_GET_DAT_CACHE(r1, &(0x7f0000000100)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x800000}, 0xc, &(0x7f00000000c0)={&(0x7f0000000140)={0x24, 0x0, 0x0, 0x70bd28, 0x25dfdbfe, {}, [@BATADV_ATTR_BONDING_ENABLED={0x5, 0x2d, 0x1}, @BATADV_ATTR_GW_MODE={0x5, 0x33, 0x1}]}, 0x24}, 0x1, 0x0, 0x0, 0x40}, 0x40010) socketpair(0x6, 0x800, 0x928b, &(0x7f0000000080)={0xffffffffffffffff, 0xffffffffffffffff}) sendmsg$BATADV_CMD_GET_BLA_CLAIM(r2, &(0x7f0000000280)={&(0x7f0000000180)={0x10, 0x0, 0x0, 0x1000}, 0xc, &(0x7f0000000240)={&(0x7f00000001c0)={0x64, 0x0, 0x20, 0x70bd2d, 0x25dfdbfe, {}, [@BATADV_ATTR_GW_SEL_CLASS={0x8, 0x34, 0x4f}, @BATADV_ATTR_MULTICAST_FANOUT={0x8, 0x3c, 0xfff}, @BATADV_ATTR_NETWORK_CODING_ENABLED={0x5}, @BATADV_ATTR_ORIG_INTERVAL={0x8, 0x39, 0x4}, @BATADV_ATTR_MULTICAST_FANOUT={0x8, 0x3c, 0x3}, @BATADV_ATTR_TPMETER_TEST_TIME={0x8, 0xb, 0x4}, @BATADV_ATTR_VLANID={0x6}, @BATADV_ATTR_GW_BANDWIDTH_DOWN={0x8, 0x31, 0x1}, @BATADV_ATTR_ISOLATION_MASK={0x8, 0x2c, 0x4}, @BATADV_ATTR_THROUGHPUT_OVERRIDE={0x8, 0x3b, 0x7}]}, 0x64}, 0x1, 0x0, 0x0, 0x800}, 0x4000050) 12:26:34 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r1) sendmsg$NBD_CMD_DISCONNECT(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000000)=ANY=[@ANYBLOB='l\x00\x00\x00', @ANYRES16=r2, @ANYBLOB="01002dbd7000fddbdf25020000000c0003", @ANYRES32, @ANYBLOB="0800014036ece36e"], 0x6c}}, 0x0) 12:26:34 executing program 3: r0 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, 0xffffffffffffffff) 12:26:34 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r1) sendmsg$NBD_CMD_DISCONNECT(r0, &(0x7f0000000140)={0x0, 0x0, 0x0}, 0x0) 12:26:34 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r1) sendmsg$NBD_CMD_DISCONNECT(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000000)=ANY=[@ANYBLOB='l\x00\x00\x00', @ANYRES16=r2, @ANYBLOB="01002dbd7000fddbdf25020000000c000300010001", @ANYRES32, @ANYBLOB="0800014036ece36e"], 0x6c}}, 0x0) [ 355.184539] nbd: couldn't find device at index -1 [ 355.190144] nbd: couldn't find device at index -1 [ 355.195143] nbd: couldn't find device at index -1 [ 355.201218] nbd: couldn't find device at index -1 [ 355.206199] nbd: couldn't find device at index -1 [ 355.211317] nbd: couldn't find device at index -1 [ 355.216192] nbd: couldn't find device at index -1 [ 355.221253] nbd: couldn't find device at index -1 [ 355.226147] nbd: couldn't find device at index -1 12:26:34 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r1) sendmsg$NBD_CMD_DISCONNECT(r0, &(0x7f0000000140)={0x0, 0x0, 0x0}, 0x0) 12:26:34 executing program 4: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x40b01) ioctl$NBD_SET_SOCK(r0, 0xab00, 0xffffffffffffffff) (async) r1 = socket$nl_generic(0x10, 0x3, 0x10) sendmsg$BATADV_CMD_GET_DAT_CACHE(r1, &(0x7f0000000100)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x800000}, 0xc, &(0x7f00000000c0)={&(0x7f0000000140)={0x24, 0x0, 0x0, 0x70bd28, 0x25dfdbfe, {}, [@BATADV_ATTR_BONDING_ENABLED={0x5, 0x2d, 0x1}, @BATADV_ATTR_GW_MODE={0x5, 0x33, 0x1}]}, 0x24}, 0x1, 0x0, 0x0, 0x40}, 0x40010) socketpair(0x6, 0x800, 0x928b, &(0x7f0000000080)={0xffffffffffffffff, 0xffffffffffffffff}) sendmsg$BATADV_CMD_GET_BLA_CLAIM(r2, &(0x7f0000000280)={&(0x7f0000000180)={0x10, 0x0, 0x0, 0x1000}, 0xc, &(0x7f0000000240)={&(0x7f00000001c0)={0x64, 0x0, 0x20, 0x70bd2d, 0x25dfdbfe, {}, [@BATADV_ATTR_GW_SEL_CLASS={0x8, 0x34, 0x4f}, @BATADV_ATTR_MULTICAST_FANOUT={0x8, 0x3c, 0xfff}, @BATADV_ATTR_NETWORK_CODING_ENABLED={0x5}, @BATADV_ATTR_ORIG_INTERVAL={0x8, 0x39, 0x4}, @BATADV_ATTR_MULTICAST_FANOUT={0x8, 0x3c, 0x3}, @BATADV_ATTR_TPMETER_TEST_TIME={0x8, 0xb, 0x4}, @BATADV_ATTR_VLANID={0x6}, @BATADV_ATTR_GW_BANDWIDTH_DOWN={0x8, 0x31, 0x1}, @BATADV_ATTR_ISOLATION_MASK={0x8, 0x2c, 0x4}, @BATADV_ATTR_THROUGHPUT_OVERRIDE={0x8, 0x3b, 0x7}]}, 0x64}, 0x1, 0x0, 0x0, 0x800}, 0x4000050) 12:26:34 executing program 3: r0 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, 0xffffffffffffffff) [ 355.286514] nbd: must specify an index to disconnect 12:26:34 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r1) sendmsg$NBD_CMD_DISCONNECT(r0, 0x0, 0x0) 12:26:34 executing program 3: r0 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, 0xffffffffffffffff) [ 355.311810] nbd: must specify an index to disconnect 12:26:34 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r1) sendmsg$NBD_CMD_DISCONNECT(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000000)=ANY=[@ANYBLOB='l\x00\x00\x00', @ANYBLOB="01002dbd7000fddbdf25020000000c00030001000100", @ANYRES32, @ANYBLOB="0800014036ece36e"], 0x6c}}, 0x0) [ 355.342305] nbd: couldn't find device at index -1 [ 355.347270] nbd: couldn't find device at index -1 [ 355.380160] nbd: couldn't find device at index -1 [ 355.395732] nbd: couldn't find device at index -1 [ 355.406500] nbd: couldn't find device at index -1 [ 355.435494] nbd: couldn't find device at index -1 [ 355.441483] nbd: couldn't find device at index -1 [ 355.446614] nbd: couldn't find device at index -1 [ 355.464267] nbd: couldn't find device at index -1 [ 355.475888] nbd: couldn't find device at index -1 [ 355.482878] nbd: couldn't find device at index -1 [ 355.487967] nbd: couldn't find device at index -1 [ 355.493068] nbd: couldn't find device at index -1 [ 355.499473] nbd: couldn't find device at index -1 [ 355.505523] nbd: couldn't find device at index -1 [ 355.510723] nbd: couldn't find device at index -1 [ 355.515685] nbd: couldn't find device at index -1 [ 355.520809] nbd: couldn't find device at index -1 [ 355.525775] nbd: couldn't find device at index -1 [ 355.531083] nbd: couldn't find device at index -1 [ 355.536105] nbd: couldn't find device at index -1 [ 355.541393] nbd: couldn't find device at index -1 [ 355.546357] nbd: couldn't find device at index -1 [ 355.551497] nbd: couldn't find device at index -1 [ 355.556462] nbd: couldn't find device at index -1 [ 355.561623] nbd: couldn't find device at index -1 [ 355.566584] nbd: couldn't find device at index -1 [ 355.571718] nbd: couldn't find device at index -1 [ 355.576782] nbd: couldn't find device at index -1 [ 355.581919] nbd: couldn't find device at index -1 [ 355.586879] nbd: couldn't find device at index -1 [ 355.592017] nbd: couldn't find device at index -1 [ 355.596976] nbd: couldn't find device at index -1 [ 355.602100] nbd: couldn't find device at index -1 [ 355.607065] nbd: couldn't find device at index -1 [ 355.612736] nbd: couldn't find device at index -1 [ 355.617700] nbd: couldn't find device at index -1 [ 355.622839] nbd: couldn't find device at index -1 [ 355.627788] nbd: couldn't find device at index -1 [ 355.633003] nbd: couldn't find device at index -1 [ 355.637968] nbd: couldn't find device at index -1 [ 355.643174] nbd: couldn't find device at index -1 [ 355.648126] nbd: couldn't find device at index -1 [ 355.653368] nbd: couldn't find device at index -1 [ 355.658329] nbd: couldn't find device at index -1 [ 355.663538] nbd: couldn't find device at index -1 [ 355.669459] nbd: couldn't find device at index -1 [ 355.674457] nbd: couldn't find device at index -1 [ 355.679603] nbd: couldn't find device at index -1 [ 355.684558] nbd: couldn't find device at index -1 [ 355.689770] nbd: couldn't find device at index -1 [ 355.694734] nbd: couldn't find device at index -1 [ 355.700103] nbd: couldn't find device at index -1 [ 355.705107] nbd: couldn't find device at index -1 [ 355.710448] nbd: couldn't find device at index -1 [ 355.715405] nbd: couldn't find device at index -1 [ 355.720622] nbd: couldn't find device at index -1 [ 355.725584] nbd: couldn't find device at index -1 [ 355.730747] nbd: couldn't find device at index -1 [ 355.735745] nbd: couldn't find device at index -1 [ 355.741455] nbd: couldn't find device at index -1 [ 355.746425] nbd: couldn't find device at index -1 [ 355.751684] nbd: couldn't find device at index -1 [ 355.756659] nbd: couldn't find device at index -1 [ 355.761886] nbd: couldn't find device at index -1 12:26:35 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r1) sendmsg$NBD_CMD_DISCONNECT(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f00000004c0)=ANY=[@ANYBLOB='l\x00\x00\x00', @ANYRES16=r2, @ANYBLOB="01002dbd7000fddbdf25020000000c00030001000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB], 0x6c}}, 0x0) r3 = syz_genetlink_get_family_id$nl802154(&(0x7f0000000080), r1) sendmsg$NL802154_CMD_GET_WPAN_PHY(r1, &(0x7f00000001c0)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x20}, 0xc, &(0x7f0000000180)={&(0x7f00000000c0)={0x14, r3, 0x300, 0x70bd29, 0x25dfdbfe}, 0x14}, 0x1, 0x0, 0x0, 0x20040801}, 0x40) 12:26:35 executing program 4: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x40b01) ioctl$NBD_SET_SOCK(r0, 0xab00, 0xffffffffffffffff) r1 = socket$nl_generic(0x10, 0x3, 0x10) sendmsg$BATADV_CMD_GET_DAT_CACHE(r1, &(0x7f0000000100)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x800000}, 0xc, &(0x7f00000000c0)={&(0x7f0000000140)={0x24, 0x0, 0x0, 0x70bd28, 0x25dfdbfe, {}, [@BATADV_ATTR_BONDING_ENABLED={0x5, 0x2d, 0x1}, @BATADV_ATTR_GW_MODE={0x5, 0x33, 0x1}]}, 0x24}, 0x1, 0x0, 0x0, 0x40}, 0x40010) (async) socketpair(0x6, 0x800, 0x928b, &(0x7f0000000080)={0xffffffffffffffff, 0xffffffffffffffff}) sendmsg$BATADV_CMD_GET_BLA_CLAIM(r2, &(0x7f0000000280)={&(0x7f0000000180)={0x10, 0x0, 0x0, 0x1000}, 0xc, &(0x7f0000000240)={&(0x7f00000001c0)={0x64, 0x0, 0x20, 0x70bd2d, 0x25dfdbfe, {}, [@BATADV_ATTR_GW_SEL_CLASS={0x8, 0x34, 0x4f}, @BATADV_ATTR_MULTICAST_FANOUT={0x8, 0x3c, 0xfff}, @BATADV_ATTR_NETWORK_CODING_ENABLED={0x5}, @BATADV_ATTR_ORIG_INTERVAL={0x8, 0x39, 0x4}, @BATADV_ATTR_MULTICAST_FANOUT={0x8, 0x3c, 0x3}, @BATADV_ATTR_TPMETER_TEST_TIME={0x8, 0xb, 0x4}, @BATADV_ATTR_VLANID={0x6}, @BATADV_ATTR_GW_BANDWIDTH_DOWN={0x8, 0x31, 0x1}, @BATADV_ATTR_ISOLATION_MASK={0x8, 0x2c, 0x4}, @BATADV_ATTR_THROUGHPUT_OVERRIDE={0x8, 0x3b, 0x7}]}, 0x64}, 0x1, 0x0, 0x0, 0x800}, 0x4000050) 12:26:35 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r1) sendmsg$NBD_CMD_DISCONNECT(r0, &(0x7f0000000140)={0x0, 0x0, 0x0}, 0x0) 12:26:35 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r1) sendmsg$NBD_CMD_DISCONNECT(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f00000004c0)=ANY=[@ANYBLOB="10000000", @ANYRES16=r2, @ANYBLOB="01002dbd7000fddbdf25020000000c00030001000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB], 0x6c}}, 0x0) 12:26:35 executing program 3: sendmsg$IPVS_CMD_GET_DEST(0xffffffffffffffff, &(0x7f0000000140)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x200000}, 0xc, &(0x7f0000000100)={&(0x7f00000002c0)=ANY=[@ANYBLOB='|\x00\x00\x00', @ANYRES16=0x0, @ANYBLOB="00002cbd7000fedbdf25080000000800040081000000080006000101000008000400bf0800000000050005000000480003801400060000000000000000000000ff070000000108000500fc2785d5320eebac1414140800035a46ca08c5e78c6efc28fc0f5a000000000008000100000000000800030001000000060004"], 0x7c}, 0x1, 0x0, 0x0, 0x4000000}, 0x0) r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) r1 = syz_genetlink_get_family_id$tipc(&(0x7f00000001c0), 0xffffffffffffffff) r2 = syz_genetlink_get_family_id$batadv(&(0x7f00000000c0), 0xffffffffffffffff) sendmsg$BATADV_CMD_TP_METER_CANCEL(0xffffffffffffffff, &(0x7f0000000400)={&(0x7f0000000080)={0x10, 0x0, 0x0, 0x2}, 0xc, &(0x7f00000003c0)={&(0x7f0000000380)={0x24, r2, 0x1, 0x70bd2b, 0x25dfdbff, {}, [@BATADV_ATTR_GW_SEL_CLASS={0x8, 0x34, 0x58}, @BATADV_ATTR_ORIG_INTERVAL={0x8, 0x39, 0x89}]}, 0x24}, 0x1, 0x0, 0x0, 0x1}, 0x20088840) sendmsg$TIPC_CMD_SET_LINK_WINDOW(0xffffffffffffffff, &(0x7f0000000280)={&(0x7f0000000180)={0x10, 0x0, 0x0, 0x4}, 0xc, &(0x7f0000000240)={&(0x7f0000000200)={0x30, r1, 0x400, 0x70bd2a, 0x25dfdbfd, {{}, {}, {0x14, 0x18, {0x3, @bearer=@udp='udp:syz0\x00'}}}, [""]}, 0x30}, 0x1, 0x0, 0x0, 0x24000002}, 0x10) ioctl$NBD_SET_SOCK(r0, 0xab00, 0xffffffffffffffff) 12:26:35 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r1) sendmsg$NBD_CMD_DISCONNECT(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000000)=ANY=[@ANYBLOB='l\x00\x00\x00', @ANYBLOB="01002dbd7000fddbdf25020000000c00030001000100", @ANYRES32, @ANYBLOB="0800014036ece36e"], 0x6c}}, 0x0) 12:26:35 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r1) sendmsg$NBD_CMD_DISCONNECT(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={0x0, 0x6c}}, 0x0) 12:26:35 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r1) sendmsg$NBD_CMD_DISCONNECT(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000000)=ANY=[@ANYBLOB='l\x00\x00\x00', @ANYBLOB="01002dbd7000fddbdf25020000000c00030001000100", @ANYRES32, @ANYBLOB="0800014036ece36e"], 0x6c}}, 0x0) 12:26:35 executing program 3: sendmsg$IPVS_CMD_GET_DEST(0xffffffffffffffff, &(0x7f0000000140)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x200000}, 0xc, &(0x7f0000000100)={&(0x7f00000002c0)=ANY=[@ANYBLOB='|\x00\x00\x00', @ANYRES16=0x0, @ANYBLOB="00002cbd7000fedbdf25080000000800040081000000080006000101000008000400bf0800000000050005000000480003801400060000000000000000000000ff070000000108000500fc2785d5320eebac1414140800035a46ca08c5e78c6efc28fc0f5a000000000008000100000000000800030001000000060004"], 0x7c}, 0x1, 0x0, 0x0, 0x4000000}, 0x0) r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) r1 = syz_genetlink_get_family_id$tipc(&(0x7f00000001c0), 0xffffffffffffffff) r2 = syz_genetlink_get_family_id$batadv(&(0x7f00000000c0), 0xffffffffffffffff) sendmsg$BATADV_CMD_TP_METER_CANCEL(0xffffffffffffffff, &(0x7f0000000400)={&(0x7f0000000080)={0x10, 0x0, 0x0, 0x2}, 0xc, &(0x7f00000003c0)={&(0x7f0000000380)={0x24, r2, 0x1, 0x70bd2b, 0x25dfdbff, {}, [@BATADV_ATTR_GW_SEL_CLASS={0x8, 0x34, 0x58}, @BATADV_ATTR_ORIG_INTERVAL={0x8, 0x39, 0x89}]}, 0x24}, 0x1, 0x0, 0x0, 0x1}, 0x20088840) sendmsg$TIPC_CMD_SET_LINK_WINDOW(0xffffffffffffffff, &(0x7f0000000280)={&(0x7f0000000180)={0x10, 0x0, 0x0, 0x4}, 0xc, &(0x7f0000000240)={&(0x7f0000000200)={0x30, r1, 0x400, 0x70bd2a, 0x25dfdbfd, {{}, {}, {0x14, 0x18, {0x3, @bearer=@udp='udp:syz0\x00'}}}, [""]}, 0x30}, 0x1, 0x0, 0x0, 0x24000002}, 0x10) ioctl$NBD_SET_SOCK(r0, 0xab00, 0xffffffffffffffff) sendmsg$IPVS_CMD_GET_DEST(0xffffffffffffffff, &(0x7f0000000140)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x200000}, 0xc, &(0x7f0000000100)={&(0x7f00000002c0)=ANY=[@ANYBLOB='|\x00\x00\x00', @ANYRES16=0x0, @ANYBLOB="00002cbd7000fedbdf25080000000800040081000000080006000101000008000400bf0800000000050005000000480003801400060000000000000000000000ff070000000108000500fc2785d5320eebac1414140800035a46ca08c5e78c6efc28fc0f5a000000000008000100000000000800030001000000060004"], 0x7c}, 0x1, 0x0, 0x0, 0x4000000}, 0x0) (async) syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) (async) syz_genetlink_get_family_id$tipc(&(0x7f00000001c0), 0xffffffffffffffff) (async) syz_genetlink_get_family_id$batadv(&(0x7f00000000c0), 0xffffffffffffffff) (async) sendmsg$BATADV_CMD_TP_METER_CANCEL(0xffffffffffffffff, &(0x7f0000000400)={&(0x7f0000000080)={0x10, 0x0, 0x0, 0x2}, 0xc, &(0x7f00000003c0)={&(0x7f0000000380)={0x24, r2, 0x1, 0x70bd2b, 0x25dfdbff, {}, [@BATADV_ATTR_GW_SEL_CLASS={0x8, 0x34, 0x58}, @BATADV_ATTR_ORIG_INTERVAL={0x8, 0x39, 0x89}]}, 0x24}, 0x1, 0x0, 0x0, 0x1}, 0x20088840) (async) sendmsg$TIPC_CMD_SET_LINK_WINDOW(0xffffffffffffffff, &(0x7f0000000280)={&(0x7f0000000180)={0x10, 0x0, 0x0, 0x4}, 0xc, &(0x7f0000000240)={&(0x7f0000000200)={0x30, r1, 0x400, 0x70bd2a, 0x25dfdbfd, {{}, {}, {0x14, 0x18, {0x3, @bearer=@udp='udp:syz0\x00'}}}, [""]}, 0x30}, 0x1, 0x0, 0x0, 0x24000002}, 0x10) (async) ioctl$NBD_SET_SOCK(r0, 0xab00, 0xffffffffffffffff) (async) 12:26:35 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r1) sendmsg$NBD_CMD_DISCONNECT(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f00000004c0)=ANY=[@ANYBLOB='l\x00\x00\x00', @ANYRES16=r2, @ANYBLOB="01002dbd7000fddbdf25020000000c00030001000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB], 0x6c}}, 0x0) (async, rerun: 32) r3 = syz_genetlink_get_family_id$nl802154(&(0x7f0000000080), r1) (rerun: 32) sendmsg$NL802154_CMD_GET_WPAN_PHY(r1, &(0x7f00000001c0)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x20}, 0xc, &(0x7f0000000180)={&(0x7f00000000c0)={0x14, r3, 0x300, 0x70bd29, 0x25dfdbfe}, 0x14}, 0x1, 0x0, 0x0, 0x20040801}, 0x40) [ 355.893922] nbd: couldn't find device at index -1 12:26:35 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r1) sendmsg$NBD_CMD_DISCONNECT(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f00000004c0)=ANY=[@ANYBLOB="10000000", @ANYRES16=r2, @ANYBLOB="01002dbd7000fddbdf25020000000c00030001000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB], 0x6c}}, 0x0) 12:26:35 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r1) sendmsg$NBD_CMD_DISCONNECT(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={0x0, 0x6c}}, 0x0) 12:26:35 executing program 4: r0 = socket$netlink(0x10, 0x3, 0x2) sendmsg$TIPC_CMD_GET_MEDIA_NAMES(r0, &(0x7f0000000100)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x40008029}, 0xc, &(0x7f00000000c0)={&(0x7f0000000080)={0x1c, 0x0, 0x20, 0x70bd27, 0x25dfdbfc, {}, [""]}, 0x1c}, 0x1, 0x0, 0x0, 0x40000}, 0x8000) r1 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x40b01) ioctl$NBD_SET_SOCK(r1, 0xab00, 0xffffffffffffffff) 12:26:35 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r1) sendmsg$NBD_CMD_DISCONNECT(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f00000004c0)=ANY=[@ANYBLOB="10000000", @ANYRES16=r2, @ANYBLOB="01002dbd7000fddbdf25020000000c00030001000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB], 0x6c}}, 0x0) 12:26:35 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r1) sendmsg$NBD_CMD_DISCONNECT(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={0x0, 0x6c}}, 0x0) 12:26:35 executing program 4: r0 = socket$netlink(0x10, 0x3, 0x2) sendmsg$TIPC_CMD_GET_MEDIA_NAMES(r0, &(0x7f0000000100)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x40008029}, 0xc, &(0x7f00000000c0)={&(0x7f0000000080)={0x1c, 0x0, 0x20, 0x70bd27, 0x25dfdbfc, {}, [""]}, 0x1c}, 0x1, 0x0, 0x0, 0x40000}, 0x8000) r1 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x40b01) ioctl$NBD_SET_SOCK(r1, 0xab00, 0xffffffffffffffff) socket$netlink(0x10, 0x3, 0x2) (async) sendmsg$TIPC_CMD_GET_MEDIA_NAMES(r0, &(0x7f0000000100)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x40008029}, 0xc, &(0x7f00000000c0)={&(0x7f0000000080)={0x1c, 0x0, 0x20, 0x70bd27, 0x25dfdbfc, {}, [""]}, 0x1c}, 0x1, 0x0, 0x0, 0x40000}, 0x8000) (async) syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x40b01) (async) ioctl$NBD_SET_SOCK(r1, 0xab00, 0xffffffffffffffff) (async) 12:26:35 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_DISCONNECT(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f00000004c0)=ANY=[@ANYBLOB="10000000", @ANYRES16, @ANYBLOB="01002dbd7000fddbdf25020000000c00030001000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB], 0x6c}}, 0x0) 12:26:35 executing program 3: sendmsg$IPVS_CMD_GET_DEST(0xffffffffffffffff, &(0x7f0000000140)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x200000}, 0xc, &(0x7f0000000100)={&(0x7f00000002c0)=ANY=[@ANYBLOB='|\x00\x00\x00', @ANYRES16=0x0, @ANYBLOB="00002cbd7000fedbdf25080000000800040081000000080006000101000008000400bf0800000000050005000000480003801400060000000000000000000000ff070000000108000500fc2785d5320eebac1414140800035a46ca08c5e78c6efc28fc0f5a000000000008000100000000000800030001000000060004"], 0x7c}, 0x1, 0x0, 0x0, 0x4000000}, 0x0) (async) r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) (async) r1 = syz_genetlink_get_family_id$tipc(&(0x7f00000001c0), 0xffffffffffffffff) r2 = syz_genetlink_get_family_id$batadv(&(0x7f00000000c0), 0xffffffffffffffff) sendmsg$BATADV_CMD_TP_METER_CANCEL(0xffffffffffffffff, &(0x7f0000000400)={&(0x7f0000000080)={0x10, 0x0, 0x0, 0x2}, 0xc, &(0x7f00000003c0)={&(0x7f0000000380)={0x24, r2, 0x1, 0x70bd2b, 0x25dfdbff, {}, [@BATADV_ATTR_GW_SEL_CLASS={0x8, 0x34, 0x58}, @BATADV_ATTR_ORIG_INTERVAL={0x8, 0x39, 0x89}]}, 0x24}, 0x1, 0x0, 0x0, 0x1}, 0x20088840) sendmsg$TIPC_CMD_SET_LINK_WINDOW(0xffffffffffffffff, &(0x7f0000000280)={&(0x7f0000000180)={0x10, 0x0, 0x0, 0x4}, 0xc, &(0x7f0000000240)={&(0x7f0000000200)={0x30, r1, 0x400, 0x70bd2a, 0x25dfdbfd, {{}, {}, {0x14, 0x18, {0x3, @bearer=@udp='udp:syz0\x00'}}}, [""]}, 0x30}, 0x1, 0x0, 0x0, 0x24000002}, 0x10) (async) ioctl$NBD_SET_SOCK(r0, 0xab00, 0xffffffffffffffff) [ 356.021747] nbd: couldn't find device at index -1 12:26:35 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r1) sendmsg$NBD_CMD_DISCONNECT(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000000)=ANY=[@ANYBLOB='l\x00\x00\x00', @ANYRES16, @ANYBLOB="01002dbd7000fddbdf25020000000c00030001000100", @ANYRES32, @ANYBLOB="0800014036ece36e"], 0x6c}}, 0x0) 12:26:35 executing program 4: r0 = socket$netlink(0x10, 0x3, 0x2) sendmsg$TIPC_CMD_GET_MEDIA_NAMES(r0, &(0x7f0000000100)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x40008029}, 0xc, &(0x7f00000000c0)={&(0x7f0000000080)={0x1c, 0x0, 0x20, 0x70bd27, 0x25dfdbfc, {}, [""]}, 0x1c}, 0x1, 0x0, 0x0, 0x40000}, 0x8000) r1 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x40b01) ioctl$NBD_SET_SOCK(r1, 0xab00, 0xffffffffffffffff) [ 356.058525] nbd: couldn't find device at index -1 [ 356.072353] nbd: couldn't find device at index -1 12:26:35 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_DISCONNECT(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f00000004c0)=ANY=[@ANYBLOB="10000000", @ANYRES16, @ANYBLOB="01002dbd7000fddbdf25020000000c00030001000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB], 0x6c}}, 0x0) [ 356.105622] nbd: couldn't find device at index -1 [ 356.134882] nbd: couldn't find device at index -1 [ 356.148038] nbd: couldn't find device at index -1 [ 356.154798] nbd: couldn't find device at index -1 [ 356.170275] nbd: couldn't find device at index -1 [ 356.182393] nbd: couldn't find device at index -1 [ 356.187475] nbd: couldn't find device at index -1 [ 356.194767] nbd: couldn't find device at index -1 [ 356.200552] nbd: couldn't find device at index -1 [ 356.205550] nbd: couldn't find device at index -1 [ 356.212649] nbd: couldn't find device at index -1 [ 356.217805] nbd: couldn't find device at index -1 [ 356.223999] nbd: couldn't find device at index -1 [ 356.233545] nbd: couldn't find device at index -1 [ 356.239195] nbd: couldn't find device at index -1 [ 356.245276] nbd: couldn't find device at index -1 [ 356.251106] nbd: couldn't find device at index -1 [ 356.256028] nbd: couldn't find device at index -1 [ 356.261493] nbd: couldn't find device at index -1 [ 356.266408] nbd: couldn't find device at index -1 [ 356.271379] nbd: couldn't find device at index -1 [ 356.276275] nbd: couldn't find device at index -1 12:26:35 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r1) sendmsg$NBD_CMD_DISCONNECT(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f00000004c0)=ANY=[@ANYBLOB='l\x00\x00\x00', @ANYRES16=r2, @ANYBLOB="01002dbd7000fddbdf25020000000c00030001000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB], 0x6c}}, 0x0) r3 = syz_genetlink_get_family_id$nl802154(&(0x7f0000000080), r1) sendmsg$NL802154_CMD_GET_WPAN_PHY(r1, &(0x7f00000001c0)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x20}, 0xc, &(0x7f0000000180)={&(0x7f00000000c0)={0x14, r3, 0x300, 0x70bd29, 0x25dfdbfe}, 0x14}, 0x1, 0x0, 0x0, 0x20040801}, 0x40) 12:26:35 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r1) sendmsg$NBD_CMD_DISCONNECT(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000000)=ANY=[@ANYBLOB='l\x00\x00\x00', @ANYRES16=r2, @ANYBLOB="01002dbd7000fddbdf25020000000c00030001000100", @ANYRES32], 0x6c}}, 0x0) 12:26:35 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r1) sendmsg$NBD_CMD_DISCONNECT(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000000)=ANY=[@ANYBLOB='l\x00\x00\x00', @ANYRES16, @ANYBLOB="01002dbd7000fddbdf25020000000c00030001000100", @ANYRES32, @ANYBLOB="0800014036ece36e"], 0x6c}}, 0x0) 12:26:35 executing program 4: r0 = openat$null(0xffffffffffffff9c, &(0x7f0000000040), 0x20000, 0x0) sendmsg$BATADV_CMD_SET_MESH(r0, &(0x7f0000000180)={&(0x7f0000000080)={0x10, 0x0, 0x0, 0x100010}, 0xc, &(0x7f0000000140)={&(0x7f00000000c0)={0x44, 0x0, 0x20, 0x70bd2c, 0x25dfdbfe, {}, [@BATADV_ATTR_ORIG_INTERVAL={0x8, 0x39, 0x1}, @BATADV_ATTR_HOP_PENALTY={0x5, 0x35, 0x1}, @BATADV_ATTR_NETWORK_CODING_ENABLED={0x5}, @BATADV_ATTR_HOP_PENALTY={0x5, 0x35, 0xf8}, @BATADV_ATTR_AP_ISOLATION_ENABLED={0x5, 0x2a, 0x1}, @BATADV_ATTR_THROUGHPUT_OVERRIDE={0x8, 0x3b, 0x80000001}]}, 0x44}, 0x1, 0x0, 0x0, 0x10}, 0x10) r1 = openat$null(0xffffffffffffff9c, &(0x7f00000001c0), 0x200040, 0x0) sendmsg$IPVS_CMD_NEW_DAEMON(r1, &(0x7f00000002c0)={&(0x7f0000000200)={0x10, 0x0, 0x0, 0x8000000}, 0xc, &(0x7f0000000280)={&(0x7f0000000240)={0x24, 0x0, 0x10, 0x70bd2d, 0x25dfdbfb, {}, [@IPVS_CMD_ATTR_TIMEOUT_TCP_FIN={0x8, 0x5, 0x3}, @IPVS_CMD_ATTR_TIMEOUT_UDP={0x8, 0x6, 0x10001}]}, 0x24}, 0x1, 0x0, 0x0, 0x1}, 0x80) r2 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x40b01) ioctl$NBD_SET_SOCK(r2, 0xab00, 0xffffffffffffffff) 12:26:35 executing program 3: syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$SNDRV_CTL_IOCTL_RAWMIDI_PREFER_SUBDEVICE(0xffffffffffffffff, 0x40045542, &(0x7f0000000000)=0xaf) r0 = openat$null(0xffffffffffffff9c, 0x0, 0x0, 0x0) mmap$perf(&(0x7f0000ffe000/0x2000)=nil, 0x2000, 0x0, 0x10, r0, 0x0) ioctl$PERF_EVENT_IOC_DISABLE(r0, 0x2401, 0x9) 12:26:35 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_DISCONNECT(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f00000004c0)=ANY=[@ANYBLOB="10000000", @ANYRES16, @ANYBLOB="01002dbd7000fddbdf25020000000c00030001000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB], 0x6c}}, 0x0) [ 356.282153] nbd: couldn't find device at index -1 [ 356.287029] nbd: couldn't find device at index -1 [ 356.292000] nbd: couldn't find device at index -1 [ 356.296882] nbd: couldn't find device at index -1 [ 356.301870] nbd: couldn't find device at index -1 [ 356.306788] nbd: couldn't find device at index -1 [ 356.311780] nbd: couldn't find device at index -1 [ 356.316666] nbd: couldn't find device at index -1 12:26:35 executing program 3: syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) (async) ioctl$SNDRV_CTL_IOCTL_RAWMIDI_PREFER_SUBDEVICE(0xffffffffffffffff, 0x40045542, &(0x7f0000000000)=0xaf) (async) r0 = openat$null(0xffffffffffffff9c, 0x0, 0x0, 0x0) mmap$perf(&(0x7f0000ffe000/0x2000)=nil, 0x2000, 0x0, 0x10, r0, 0x0) ioctl$PERF_EVENT_IOC_DISABLE(r0, 0x2401, 0x9) 12:26:35 executing program 4: r0 = openat$null(0xffffffffffffff9c, &(0x7f0000000040), 0x20000, 0x0) sendmsg$BATADV_CMD_SET_MESH(r0, &(0x7f0000000180)={&(0x7f0000000080)={0x10, 0x0, 0x0, 0x100010}, 0xc, &(0x7f0000000140)={&(0x7f00000000c0)={0x44, 0x0, 0x20, 0x70bd2c, 0x25dfdbfe, {}, [@BATADV_ATTR_ORIG_INTERVAL={0x8, 0x39, 0x1}, @BATADV_ATTR_HOP_PENALTY={0x5, 0x35, 0x1}, @BATADV_ATTR_NETWORK_CODING_ENABLED={0x5}, @BATADV_ATTR_HOP_PENALTY={0x5, 0x35, 0xf8}, @BATADV_ATTR_AP_ISOLATION_ENABLED={0x5, 0x2a, 0x1}, @BATADV_ATTR_THROUGHPUT_OVERRIDE={0x8, 0x3b, 0x80000001}]}, 0x44}, 0x1, 0x0, 0x0, 0x10}, 0x10) r1 = openat$null(0xffffffffffffff9c, &(0x7f00000001c0), 0x200040, 0x0) sendmsg$IPVS_CMD_NEW_DAEMON(r1, &(0x7f00000002c0)={&(0x7f0000000200)={0x10, 0x0, 0x0, 0x8000000}, 0xc, &(0x7f0000000280)={&(0x7f0000000240)={0x24, 0x0, 0x10, 0x70bd2d, 0x25dfdbfb, {}, [@IPVS_CMD_ATTR_TIMEOUT_TCP_FIN={0x8, 0x5, 0x3}, @IPVS_CMD_ATTR_TIMEOUT_UDP={0x8, 0x6, 0x10001}]}, 0x24}, 0x1, 0x0, 0x0, 0x1}, 0x80) r2 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x40b01) ioctl$NBD_SET_SOCK(r2, 0xab00, 0xffffffffffffffff) openat$null(0xffffffffffffff9c, &(0x7f0000000040), 0x20000, 0x0) (async) sendmsg$BATADV_CMD_SET_MESH(r0, &(0x7f0000000180)={&(0x7f0000000080)={0x10, 0x0, 0x0, 0x100010}, 0xc, &(0x7f0000000140)={&(0x7f00000000c0)={0x44, 0x0, 0x20, 0x70bd2c, 0x25dfdbfe, {}, [@BATADV_ATTR_ORIG_INTERVAL={0x8, 0x39, 0x1}, @BATADV_ATTR_HOP_PENALTY={0x5, 0x35, 0x1}, @BATADV_ATTR_NETWORK_CODING_ENABLED={0x5}, @BATADV_ATTR_HOP_PENALTY={0x5, 0x35, 0xf8}, @BATADV_ATTR_AP_ISOLATION_ENABLED={0x5, 0x2a, 0x1}, @BATADV_ATTR_THROUGHPUT_OVERRIDE={0x8, 0x3b, 0x80000001}]}, 0x44}, 0x1, 0x0, 0x0, 0x10}, 0x10) (async) openat$null(0xffffffffffffff9c, &(0x7f00000001c0), 0x200040, 0x0) (async) sendmsg$IPVS_CMD_NEW_DAEMON(r1, &(0x7f00000002c0)={&(0x7f0000000200)={0x10, 0x0, 0x0, 0x8000000}, 0xc, &(0x7f0000000280)={&(0x7f0000000240)={0x24, 0x0, 0x10, 0x70bd2d, 0x25dfdbfb, {}, [@IPVS_CMD_ATTR_TIMEOUT_TCP_FIN={0x8, 0x5, 0x3}, @IPVS_CMD_ATTR_TIMEOUT_UDP={0x8, 0x6, 0x10001}]}, 0x24}, 0x1, 0x0, 0x0, 0x1}, 0x80) (async) syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x40b01) (async) ioctl$NBD_SET_SOCK(r2, 0xab00, 0xffffffffffffffff) (async) 12:26:35 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), 0xffffffffffffffff) sendmsg$NBD_CMD_DISCONNECT(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f00000004c0)=ANY=[@ANYBLOB="10000000", @ANYRES16=r1, @ANYBLOB="01002dbd7000fddbdf25020000000c00030001000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB], 0x6c}}, 0x0) [ 356.380542] nbd: must specify an index to disconnect 12:26:36 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r1) sendmsg$NBD_CMD_DISCONNECT(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000000)=ANY=[@ANYBLOB='l\x00\x00\x00', @ANYRES16, @ANYBLOB="01002dbd7000fddbdf25020000000c00030001000100", @ANYRES32, @ANYBLOB="0800014036ece36e"], 0x6c}}, 0x0) 12:26:36 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r1) sendmsg$NBD_CMD_DISCONNECT(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000000)=ANY=[@ANYBLOB='l\x00\x00\x00', @ANYRES16=r2, @ANYBLOB="01002dbd7000fddbdf25020000000c00030001000100", @ANYRES32], 0x6c}}, 0x0) 12:26:36 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NL802154_CMD_SET_CCA_ED_LEVEL(r2, &(0x7f0000000b40)={&(0x7f0000000a80), 0xc, &(0x7f0000000b00)={&(0x7f0000000ac0)={0x14, 0x0, 0x1}, 0x14}}, 0x0) ioctl$sock_SIOCGIFINDEX_802154(r2, 0x8933, &(0x7f0000000000)={'wpan4\x00'}) r3 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r1) sendmsg$NBD_CMD_DISCONNECT(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f00000004c0)=ANY=[@ANYBLOB='l\x00\x00\x00', @ANYRES16=r3, @ANYBLOB="01002dbd7000fddbdf25020000000c00030001000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB], 0x6c}}, 0x0) [ 356.404961] nbd: couldn't find device at index -1 12:26:36 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), 0xffffffffffffffff) sendmsg$NBD_CMD_DISCONNECT(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f00000004c0)=ANY=[@ANYBLOB="10000000", @ANYRES16=r1, @ANYBLOB="01002dbd7000fddbdf25020000000c00030001000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB], 0x6c}}, 0x0) 12:26:36 executing program 3: syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) (async) ioctl$SNDRV_CTL_IOCTL_RAWMIDI_PREFER_SUBDEVICE(0xffffffffffffffff, 0x40045542, &(0x7f0000000000)=0xaf) r0 = openat$null(0xffffffffffffff9c, 0x0, 0x0, 0x0) mmap$perf(&(0x7f0000ffe000/0x2000)=nil, 0x2000, 0x0, 0x10, r0, 0x0) (async) ioctl$PERF_EVENT_IOC_DISABLE(r0, 0x2401, 0x9) 12:26:36 executing program 4: r0 = openat$null(0xffffffffffffff9c, &(0x7f0000000040), 0x20000, 0x0) sendmsg$BATADV_CMD_SET_MESH(r0, &(0x7f0000000180)={&(0x7f0000000080)={0x10, 0x0, 0x0, 0x100010}, 0xc, &(0x7f0000000140)={&(0x7f00000000c0)={0x44, 0x0, 0x20, 0x70bd2c, 0x25dfdbfe, {}, [@BATADV_ATTR_ORIG_INTERVAL={0x8, 0x39, 0x1}, @BATADV_ATTR_HOP_PENALTY={0x5, 0x35, 0x1}, @BATADV_ATTR_NETWORK_CODING_ENABLED={0x5}, @BATADV_ATTR_HOP_PENALTY={0x5, 0x35, 0xf8}, @BATADV_ATTR_AP_ISOLATION_ENABLED={0x5, 0x2a, 0x1}, @BATADV_ATTR_THROUGHPUT_OVERRIDE={0x8, 0x3b, 0x80000001}]}, 0x44}, 0x1, 0x0, 0x0, 0x10}, 0x10) (async) r1 = openat$null(0xffffffffffffff9c, &(0x7f00000001c0), 0x200040, 0x0) sendmsg$IPVS_CMD_NEW_DAEMON(r1, &(0x7f00000002c0)={&(0x7f0000000200)={0x10, 0x0, 0x0, 0x8000000}, 0xc, &(0x7f0000000280)={&(0x7f0000000240)={0x24, 0x0, 0x10, 0x70bd2d, 0x25dfdbfb, {}, [@IPVS_CMD_ATTR_TIMEOUT_TCP_FIN={0x8, 0x5, 0x3}, @IPVS_CMD_ATTR_TIMEOUT_UDP={0x8, 0x6, 0x10001}]}, 0x24}, 0x1, 0x0, 0x0, 0x1}, 0x80) (async) r2 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x40b01) ioctl$NBD_SET_SOCK(r2, 0xab00, 0xffffffffffffffff) 12:26:36 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r1) sendmsg$NBD_CMD_DISCONNECT(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000000)=ANY=[@ANYRES16=r2, @ANYBLOB="01002dbd7000fddbdf25020000000c00030001000100", @ANYRES32, @ANYBLOB="0800014036ece36e"], 0x6c}}, 0x0) 12:26:36 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), 0xffffffffffffffff) sendmsg$NBD_CMD_DISCONNECT(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f00000004c0)=ANY=[@ANYBLOB="10000000", @ANYRES16=r1, @ANYBLOB="01002dbd7000fddbdf25020000000c00030001000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB], 0x6c}}, 0x0) 12:26:36 executing program 3: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, 0xffffffffffffffff) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NL802154_CMD_SET_CCA_ED_LEVEL(r1, &(0x7f0000000b40)={&(0x7f0000000a80), 0xc, &(0x7f0000000b00)={&(0x7f0000000ac0)={0x14, 0x0, 0x1}, 0x14}}, 0x0) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), 0xffffffffffffffff) sendmsg$NBD_CMD_STATUS(r1, &(0x7f0000000140)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x400000}, 0xc, &(0x7f0000000100)={&(0x7f00000000c0)={0x20, r2, 0x300, 0x70bd29, 0x25dfdbfc, {}, [@NBD_ATTR_TIMEOUT={0xc, 0x4, 0x7}]}, 0x20}, 0x1, 0x0, 0x0, 0xc045}, 0x48800) 12:26:36 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r1) sendmsg$NBD_CMD_DISCONNECT(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000000)=ANY=[@ANYBLOB='l\x00\x00\x00', @ANYRES16=r2, @ANYBLOB="01002dbd7000fddbdf25020000000c00030001000100", @ANYRES32], 0x6c}}, 0x0) [ 356.509636] nbd: must specify an index to disconnect 12:26:36 executing program 4: r0 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x321000) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000000)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = openat$null(0xffffffffffffff9c, 0x0, 0x0, 0x0) mmap$perf(&(0x7f0000ffe000/0x2000)=nil, 0x2000, 0x0, 0x10, r2, 0x0) close$fd_v4l2_buffer(r2) sendmsg$nl_route_sched(0xffffffffffffffff, &(0x7f0000000180)={&(0x7f0000000080)={0x10, 0x0, 0x0, 0x200000}, 0xc, &(0x7f0000000140)={&(0x7f00000000c0)=@getchain={0x44, 0x66, 0x200, 0x70bd2a, 0x25dfdbfc, {0x0, 0x0, 0x0, 0x0, {0x7, 0x8}, {0x9, 0x9}, {0xd, 0xffe0}}, [{0x8, 0xb, 0xca1b4cf}, {0x8, 0xb, 0x5}, {0x8, 0xb, 0x8000}, {0x8}]}, 0x44}, 0x1, 0x0, 0x0, 0x95}, 0x8040) 12:26:36 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r1) sendmsg$NBD_CMD_DISCONNECT(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000000)=ANY=[@ANYRES16=r2, @ANYBLOB="01002dbd7000fddbdf25020000000c00030001000100", @ANYRES32, @ANYBLOB="0800014036ece36e"], 0x6c}}, 0x0) 12:26:36 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r0) sendmsg$NBD_CMD_DISCONNECT(0xffffffffffffffff, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f00000004c0)=ANY=[@ANYBLOB="10000000", @ANYRES16=r1, @ANYBLOB="01002dbd7000fddbdf25020000000c00030001000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB], 0x6c}}, 0x0) 12:26:36 executing program 3: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, 0xffffffffffffffff) (async) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NL802154_CMD_SET_CCA_ED_LEVEL(r1, &(0x7f0000000b40)={&(0x7f0000000a80), 0xc, &(0x7f0000000b00)={&(0x7f0000000ac0)={0x14, 0x0, 0x1}, 0x14}}, 0x0) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), 0xffffffffffffffff) sendmsg$NBD_CMD_STATUS(r1, &(0x7f0000000140)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x400000}, 0xc, &(0x7f0000000100)={&(0x7f00000000c0)={0x20, r2, 0x300, 0x70bd29, 0x25dfdbfc, {}, [@NBD_ATTR_TIMEOUT={0xc, 0x4, 0x7}]}, 0x20}, 0x1, 0x0, 0x0, 0xc045}, 0x48800) [ 356.587414] nbd: couldn't find device at index -1 12:26:36 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NL802154_CMD_SET_CCA_ED_LEVEL(r2, &(0x7f0000000b40)={&(0x7f0000000a80), 0xc, &(0x7f0000000b00)={&(0x7f0000000ac0)={0x14, 0x0, 0x1}, 0x14}}, 0x0) (async) ioctl$sock_SIOCGIFINDEX_802154(r2, 0x8933, &(0x7f0000000000)={'wpan4\x00'}) (async) r3 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r1) sendmsg$NBD_CMD_DISCONNECT(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f00000004c0)=ANY=[@ANYBLOB='l\x00\x00\x00', @ANYRES16=r3, @ANYBLOB="01002dbd7000fddbdf25020000000c00030001000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB], 0x6c}}, 0x0) [ 356.618246] nbd: must specify an index to disconnect 12:26:36 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r1) sendmsg$NBD_CMD_DISCONNECT(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000000)=ANY=[@ANYRES16=r2, @ANYBLOB="01002dbd7000fddbdf25020000000c00030001000100", @ANYRES32, @ANYBLOB="0800014036ece36e"], 0x6c}}, 0x0) 12:26:36 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r0) sendmsg$NBD_CMD_DISCONNECT(0xffffffffffffffff, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f00000004c0)=ANY=[@ANYBLOB="10000000", @ANYRES16=r1, @ANYBLOB="01002dbd7000fddbdf25020000000c00030001000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB], 0x6c}}, 0x0) 12:26:36 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r1) sendmsg$NBD_CMD_DISCONNECT(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000000)=ANY=[@ANYBLOB='l\x00\x00\x00', @ANYRES16=r2, @ANYBLOB="01002dbd7000fddbdf25020000000c00030001000100", @ANYRES32, @ANYBLOB], 0x6c}}, 0x0) 12:26:36 executing program 4: r0 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x321000) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000000)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = openat$null(0xffffffffffffff9c, 0x0, 0x0, 0x0) mmap$perf(&(0x7f0000ffe000/0x2000)=nil, 0x2000, 0x0, 0x10, r2, 0x0) (async) close$fd_v4l2_buffer(r2) (async) sendmsg$nl_route_sched(0xffffffffffffffff, &(0x7f0000000180)={&(0x7f0000000080)={0x10, 0x0, 0x0, 0x200000}, 0xc, &(0x7f0000000140)={&(0x7f00000000c0)=@getchain={0x44, 0x66, 0x200, 0x70bd2a, 0x25dfdbfc, {0x0, 0x0, 0x0, 0x0, {0x7, 0x8}, {0x9, 0x9}, {0xd, 0xffe0}}, [{0x8, 0xb, 0xca1b4cf}, {0x8, 0xb, 0x5}, {0x8, 0xb, 0x8000}, {0x8}]}, 0x44}, 0x1, 0x0, 0x0, 0x95}, 0x8040) 12:26:36 executing program 3: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, 0xffffffffffffffff) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NL802154_CMD_SET_CCA_ED_LEVEL(r1, &(0x7f0000000b40)={&(0x7f0000000a80), 0xc, &(0x7f0000000b00)={&(0x7f0000000ac0)={0x14, 0x0, 0x1}, 0x14}}, 0x0) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), 0xffffffffffffffff) sendmsg$NBD_CMD_STATUS(r1, &(0x7f0000000140)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x400000}, 0xc, &(0x7f0000000100)={&(0x7f00000000c0)={0x20, r2, 0x300, 0x70bd29, 0x25dfdbfc, {}, [@NBD_ATTR_TIMEOUT={0xc, 0x4, 0x7}]}, 0x20}, 0x1, 0x0, 0x0, 0xc045}, 0x48800) syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) (async) ioctl$NBD_SET_SOCK(r0, 0xab00, 0xffffffffffffffff) (async) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) sendmsg$NL802154_CMD_SET_CCA_ED_LEVEL(r1, &(0x7f0000000b40)={&(0x7f0000000a80), 0xc, &(0x7f0000000b00)={&(0x7f0000000ac0)={0x14, 0x0, 0x1}, 0x14}}, 0x0) (async) syz_genetlink_get_family_id$nbd(&(0x7f0000000080), 0xffffffffffffffff) (async) sendmsg$NBD_CMD_STATUS(r1, &(0x7f0000000140)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x400000}, 0xc, &(0x7f0000000100)={&(0x7f00000000c0)={0x20, r2, 0x300, 0x70bd29, 0x25dfdbfc, {}, [@NBD_ATTR_TIMEOUT={0xc, 0x4, 0x7}]}, 0x20}, 0x1, 0x0, 0x0, 0xc045}, 0x48800) (async) [ 356.695259] nbd: couldn't find device at index -1 12:26:36 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NL802154_CMD_SET_CCA_ED_LEVEL(r2, &(0x7f0000000b40)={&(0x7f0000000a80), 0xc, &(0x7f0000000b00)={&(0x7f0000000ac0)={0x14, 0x0, 0x1}, 0x14}}, 0x0) ioctl$sock_SIOCGIFINDEX_802154(r2, 0x8933, &(0x7f0000000000)={'wpan4\x00'}) r3 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r1) sendmsg$NBD_CMD_DISCONNECT(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f00000004c0)=ANY=[@ANYBLOB='l\x00\x00\x00', @ANYRES16=r3, @ANYBLOB="01002dbd7000fddbdf25020000000c00030001000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB], 0x6c}}, 0x0) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) sendmsg$NL802154_CMD_SET_CCA_ED_LEVEL(r2, &(0x7f0000000b40)={&(0x7f0000000a80), 0xc, &(0x7f0000000b00)={&(0x7f0000000ac0)={0x14, 0x0, 0x1}, 0x14}}, 0x0) (async) ioctl$sock_SIOCGIFINDEX_802154(r2, 0x8933, &(0x7f0000000000)={'wpan4\x00'}) (async) syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r1) (async) sendmsg$NBD_CMD_DISCONNECT(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f00000004c0)=ANY=[@ANYBLOB='l\x00\x00\x00', @ANYRES16=r3, @ANYBLOB="01002dbd7000fddbdf25020000000c00030001000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB], 0x6c}}, 0x0) (async) 12:26:36 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r0) sendmsg$NBD_CMD_DISCONNECT(0xffffffffffffffff, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f00000004c0)=ANY=[@ANYBLOB="10000000", @ANYRES16=r1, @ANYBLOB="01002dbd7000fddbdf25020000000c00030001000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB], 0x6c}}, 0x0) 12:26:36 executing program 4: r0 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x321000) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000000)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = openat$null(0xffffffffffffff9c, 0x0, 0x0, 0x0) mmap$perf(&(0x7f0000ffe000/0x2000)=nil, 0x2000, 0x0, 0x10, r2, 0x0) close$fd_v4l2_buffer(r2) sendmsg$nl_route_sched(0xffffffffffffffff, &(0x7f0000000180)={&(0x7f0000000080)={0x10, 0x0, 0x0, 0x200000}, 0xc, &(0x7f0000000140)={&(0x7f00000000c0)=@getchain={0x44, 0x66, 0x200, 0x70bd2a, 0x25dfdbfc, {0x0, 0x0, 0x0, 0x0, {0x7, 0x8}, {0x9, 0x9}, {0xd, 0xffe0}}, [{0x8, 0xb, 0xca1b4cf}, {0x8, 0xb, 0x5}, {0x8, 0xb, 0x8000}, {0x8}]}, 0x44}, 0x1, 0x0, 0x0, 0x95}, 0x8040) syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x321000) (async) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000000)) (async) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) (async) openat$null(0xffffffffffffff9c, 0x0, 0x0, 0x0) (async) mmap$perf(&(0x7f0000ffe000/0x2000)=nil, 0x2000, 0x0, 0x10, r2, 0x0) (async) close$fd_v4l2_buffer(r2) (async) sendmsg$nl_route_sched(0xffffffffffffffff, &(0x7f0000000180)={&(0x7f0000000080)={0x10, 0x0, 0x0, 0x200000}, 0xc, &(0x7f0000000140)={&(0x7f00000000c0)=@getchain={0x44, 0x66, 0x200, 0x70bd2a, 0x25dfdbfc, {0x0, 0x0, 0x0, 0x0, {0x7, 0x8}, {0x9, 0x9}, {0xd, 0xffe0}}, [{0x8, 0xb, 0xca1b4cf}, {0x8, 0xb, 0x5}, {0x8, 0xb, 0x8000}, {0x8}]}, 0x44}, 0x1, 0x0, 0x0, 0x95}, 0x8040) (async) [ 356.722041] nbd: must specify an index to disconnect 12:26:36 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r1) sendmsg$NBD_CMD_DISCONNECT(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000000)=ANY=[@ANYBLOB='l\x00\x00\x00', @ANYRES16=r2, @ANYBLOB="01002dbd7000fddbdf25020000000c00030001000100", @ANYRES32, @ANYBLOB], 0x6c}}, 0x0) 12:26:36 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r1) sendmsg$NBD_CMD_DISCONNECT(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000000)=ANY=[@ANYBLOB, @ANYRES16=r2, @ANYBLOB="01002dbd7000fddbdf25020000000c00030001000100", @ANYRES32, @ANYBLOB="0800014036ece36e"], 0x6c}}, 0x0) 12:26:36 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(0x0, r1) sendmsg$NBD_CMD_DISCONNECT(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f00000004c0)=ANY=[@ANYBLOB="10000000", @ANYRES16=r2, @ANYBLOB="01002dbd7000fddbdf25020000000c00030001000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB], 0x6c}}, 0x0) 12:26:36 executing program 3: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) r1 = openat$null(0xffffffffffffff9c, 0x0, 0x400000, 0x0) mmap$perf(&(0x7f0000ffe000/0x2000)=nil, 0x2000, 0x0, 0x10, r1, 0x0) ioctl$SNDRV_CTL_IOCTL_RAWMIDI_PREFER_SUBDEVICE(r1, 0x40045542, &(0x7f0000000040)=0x10000) ioctl$NBD_SET_SOCK(r0, 0xab00, 0xffffffffffffffff) sendmsg$nl_route_sched(r1, &(0x7f0000000200)={&(0x7f0000000080)={0x10, 0x0, 0x0, 0x20000}, 0xc, &(0x7f00000001c0)={&(0x7f00000000c0)=ANY=[@ANYBLOB="f80400003100010029bd7000fddbdf250000000054000100100008000900010067616374000000000c00130008000100627066000c001200080001006270660010000400090001006373756d000000000c001b0008000300001000000c000b000800030000000000780001000c0020000800010062706600140002000527092989b0d12f6d61726b000000000c33c90008000300cc52b642100009000a00010070656469740000000c0006000800030001000000100000000b000100736b626d6f64000010001d000c0001000300090000000000000000000000000000ff0700"], 0xe0}, 0x1, 0x0, 0x0, 0x20000010}, 0x40) 12:26:36 executing program 4: syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x40b01) r0 = socket$netlink(0x10, 0x3, 0x14) r1 = syz_genetlink_get_family_id$tipc(&(0x7f0000000080), 0xffffffffffffffff) sendmsg$TIPC_CMD_SHOW_STATS(r0, &(0x7f0000000140)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x10000000}, 0xc, &(0x7f0000000100)={&(0x7f00000000c0)={0x1c, r1, 0x100, 0x70bd28, 0x25dfdbff, {}, ["", "", "", "", ""]}, 0x1c}, 0x1, 0x0, 0x0, 0x8041}, 0x4000015) getpeername$packet(0xffffffffffffffff, &(0x7f00000001c0)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @dev}, &(0x7f0000000200)=0x14) sendmsg$nl_route_sched(r0, &(0x7f00000002c0)={&(0x7f0000000180)={0x10, 0x0, 0x0, 0x4000}, 0xc, &(0x7f0000000280)={&(0x7f0000000240)=@gettclass={0x24, 0x2a, 0x300, 0x70bd2b, 0x25dfdbfb, {0x0, 0x0, 0x0, r2, {0xffff, 0x7}, {0x7, 0xd}, {0x0, 0xfff1}}, ["", "", ""]}, 0x24}, 0x1, 0x0, 0x0, 0x40800}, 0x40001c0) 12:26:36 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r1) sendmsg$NBD_CMD_DISCONNECT(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000000)=ANY=[@ANYBLOB, @ANYRES16=r2, @ANYBLOB="01002dbd7000fddbdf25020000000c00030001000100", @ANYRES32, @ANYBLOB="0800014036ece36e"], 0x6c}}, 0x0) 12:26:36 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(0x0, r1) sendmsg$NBD_CMD_DISCONNECT(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f00000004c0)=ANY=[@ANYBLOB="10000000", @ANYRES16=r2, @ANYBLOB="01002dbd7000fddbdf25020000000c00030001000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB], 0x6c}}, 0x0) [ 356.844820] nbd: must specify an index to disconnect 12:26:36 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r1) sendmsg$NBD_CMD_DISCONNECT(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000000)=ANY=[@ANYBLOB='l\x00\x00\x00', @ANYRES16=r2, @ANYBLOB="01002dbd7000fddbdf25020000000c00030001000100", @ANYRES32, @ANYBLOB], 0x6c}}, 0x0) 12:26:36 executing program 3: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) (async) r1 = openat$null(0xffffffffffffff9c, 0x0, 0x400000, 0x0) mmap$perf(&(0x7f0000ffe000/0x2000)=nil, 0x2000, 0x0, 0x10, r1, 0x0) (async) ioctl$SNDRV_CTL_IOCTL_RAWMIDI_PREFER_SUBDEVICE(r1, 0x40045542, &(0x7f0000000040)=0x10000) ioctl$NBD_SET_SOCK(r0, 0xab00, 0xffffffffffffffff) (async) sendmsg$nl_route_sched(r1, &(0x7f0000000200)={&(0x7f0000000080)={0x10, 0x0, 0x0, 0x20000}, 0xc, &(0x7f00000001c0)={&(0x7f00000000c0)=ANY=[@ANYBLOB="f80400003100010029bd7000fddbdf250000000054000100100008000900010067616374000000000c00130008000100627066000c001200080001006270660010000400090001006373756d000000000c001b0008000300001000000c000b000800030000000000780001000c0020000800010062706600140002000527092989b0d12f6d61726b000000000c33c90008000300cc52b642100009000a00010070656469740000000c0006000800030001000000100000000b000100736b626d6f64000010001d000c0001000300090000000000000000000000000000ff0700"], 0xe0}, 0x1, 0x0, 0x0, 0x20000010}, 0x40) 12:26:36 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r1) sendmsg$NBD_CMD_DISCONNECT(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f00000004c0)=ANY=[@ANYBLOB='l\x00\x00\x00', @ANYRES16=r2, @ANYBLOB="01002dbd7000fddbdf25020000000c00030001000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB], 0x6c}}, 0x0) r3 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r1) sendmsg$NBD_CMD_DISCONNECT(r0, &(0x7f00000001c0)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x80000}, 0xc, &(0x7f0000000180)={&(0x7f00000000c0)={0x34, r3, 0x1, 0x70bd29, 0x25dfdbfb, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x6}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x1}]}, 0x34}, 0x1, 0x0, 0x0, 0x4000}, 0x4000004) [ 356.882899] nbd: couldn't find device at index -1 12:26:36 executing program 4: syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x40b01) (async, rerun: 32) r0 = socket$netlink(0x10, 0x3, 0x14) (async, rerun: 32) r1 = syz_genetlink_get_family_id$tipc(&(0x7f0000000080), 0xffffffffffffffff) sendmsg$TIPC_CMD_SHOW_STATS(r0, &(0x7f0000000140)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x10000000}, 0xc, &(0x7f0000000100)={&(0x7f00000000c0)={0x1c, r1, 0x100, 0x70bd28, 0x25dfdbff, {}, ["", "", "", "", ""]}, 0x1c}, 0x1, 0x0, 0x0, 0x8041}, 0x4000015) (async) getpeername$packet(0xffffffffffffffff, &(0x7f00000001c0)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @dev}, &(0x7f0000000200)=0x14) sendmsg$nl_route_sched(r0, &(0x7f00000002c0)={&(0x7f0000000180)={0x10, 0x0, 0x0, 0x4000}, 0xc, &(0x7f0000000280)={&(0x7f0000000240)=@gettclass={0x24, 0x2a, 0x300, 0x70bd2b, 0x25dfdbfb, {0x0, 0x0, 0x0, r2, {0xffff, 0x7}, {0x7, 0xd}, {0x0, 0xfff1}}, ["", "", ""]}, 0x24}, 0x1, 0x0, 0x0, 0x40800}, 0x40001c0) 12:26:36 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r1) sendmsg$NBD_CMD_DISCONNECT(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000000)=ANY=[@ANYBLOB, @ANYRES16=r2, @ANYBLOB="01002dbd7000fddbdf25020000000c00030001000100", @ANYRES32, @ANYBLOB="0800014036ece36e"], 0x6c}}, 0x0) 12:26:36 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(0x0, r1) sendmsg$NBD_CMD_DISCONNECT(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f00000004c0)=ANY=[@ANYBLOB="10000000", @ANYRES16=r2, @ANYBLOB="01002dbd7000fddbdf25020000000c00030001000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB], 0x6c}}, 0x0) [ 356.956200] nbd: couldn't find device at index -1 12:26:36 executing program 4: syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x40b01) r0 = socket$netlink(0x10, 0x3, 0x14) (async) r1 = syz_genetlink_get_family_id$tipc(&(0x7f0000000080), 0xffffffffffffffff) sendmsg$TIPC_CMD_SHOW_STATS(r0, &(0x7f0000000140)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x10000000}, 0xc, &(0x7f0000000100)={&(0x7f00000000c0)={0x1c, r1, 0x100, 0x70bd28, 0x25dfdbff, {}, ["", "", "", "", ""]}, 0x1c}, 0x1, 0x0, 0x0, 0x8041}, 0x4000015) (async) getpeername$packet(0xffffffffffffffff, &(0x7f00000001c0)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @dev}, &(0x7f0000000200)=0x14) sendmsg$nl_route_sched(r0, &(0x7f00000002c0)={&(0x7f0000000180)={0x10, 0x0, 0x0, 0x4000}, 0xc, &(0x7f0000000280)={&(0x7f0000000240)=@gettclass={0x24, 0x2a, 0x300, 0x70bd2b, 0x25dfdbfb, {0x0, 0x0, 0x0, r2, {0xffff, 0x7}, {0x7, 0xd}, {0x0, 0xfff1}}, ["", "", ""]}, 0x24}, 0x1, 0x0, 0x0, 0x40800}, 0x40001c0) 12:26:36 executing program 3: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) r1 = openat$null(0xffffffffffffff9c, 0x0, 0x400000, 0x0) mmap$perf(&(0x7f0000ffe000/0x2000)=nil, 0x2000, 0x0, 0x10, r1, 0x0) (async) ioctl$SNDRV_CTL_IOCTL_RAWMIDI_PREFER_SUBDEVICE(r1, 0x40045542, &(0x7f0000000040)=0x10000) (async, rerun: 32) ioctl$NBD_SET_SOCK(r0, 0xab00, 0xffffffffffffffff) (async, rerun: 32) sendmsg$nl_route_sched(r1, &(0x7f0000000200)={&(0x7f0000000080)={0x10, 0x0, 0x0, 0x20000}, 0xc, &(0x7f00000001c0)={&(0x7f00000000c0)=ANY=[@ANYBLOB="f80400003100010029bd7000fddbdf250000000054000100100008000900010067616374000000000c00130008000100627066000c001200080001006270660010000400090001006373756d000000000c001b0008000300001000000c000b000800030000000000780001000c0020000800010062706600140002000527092989b0d12f6d61726b000000000c33c90008000300cc52b642100009000a00010070656469740000000c0006000800030001000000100000000b000100736b626d6f64000010001d000c0001000300090000000000000000000000000000ff0700"], 0xe0}, 0x1, 0x0, 0x0, 0x20000010}, 0x40) 12:26:36 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r1) sendmsg$NBD_CMD_DISCONNECT(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000000)=ANY=[@ANYBLOB='l\x00', @ANYRES16=r2, @ANYBLOB="01002dbd7000fddbdf25020000000c00030001000100", @ANYRES32, @ANYBLOB="0800014036ece36e"], 0x6c}}, 0x0) 12:26:36 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r1) sendmsg$NBD_CMD_DISCONNECT(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f00000004c0)=ANY=[@ANYBLOB='l\x00\x00\x00', @ANYRES16=r2, @ANYBLOB="01002dbd7000fddbdf25020000000c00030001000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB], 0x6c}}, 0x0) r3 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r1) sendmsg$NBD_CMD_DISCONNECT(r0, &(0x7f00000001c0)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x80000}, 0xc, &(0x7f0000000180)={&(0x7f00000000c0)={0x34, r3, 0x1, 0x70bd29, 0x25dfdbfb, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x6}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x1}]}, 0x34}, 0x1, 0x0, 0x0, 0x4000}, 0x4000004) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r1) (async) sendmsg$NBD_CMD_DISCONNECT(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f00000004c0)=ANY=[@ANYBLOB='l\x00\x00\x00', @ANYRES16=r2, @ANYBLOB="01002dbd7000fddbdf25020000000c00030001000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB], 0x6c}}, 0x0) (async) syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r1) (async) sendmsg$NBD_CMD_DISCONNECT(r0, &(0x7f00000001c0)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x80000}, 0xc, &(0x7f0000000180)={&(0x7f00000000c0)={0x34, r3, 0x1, 0x70bd29, 0x25dfdbfb, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x6}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x1}]}, 0x34}, 0x1, 0x0, 0x0, 0x4000}, 0x4000004) (async) [ 356.985211] nbd: must specify an index to disconnect 12:26:36 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r1) sendmsg$NBD_CMD_DISCONNECT(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000000)=ANY=[@ANYBLOB='l\x00\x00\x00', @ANYRES16=r2, @ANYBLOB="01002dbd7000fddbdf25020000000c00030001000100", @ANYRES32, @ANYBLOB="08000140"], 0x6c}}, 0x0) 12:26:36 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), 0xffffffffffffffff) sendmsg$NBD_CMD_DISCONNECT(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f00000004c0)=ANY=[@ANYBLOB="10000000", @ANYRES16=r1, @ANYBLOB="01002dbd7000fddbdf25020000000c00030001000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB], 0x6c}}, 0x0) 12:26:36 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r1) sendmsg$NBD_CMD_DISCONNECT(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000000)=ANY=[@ANYBLOB='l\x00', @ANYRES16=r2, @ANYBLOB="01002dbd7000fddbdf25020000000c00030001000100", @ANYRES32, @ANYBLOB="0800014036ece36e"], 0x6c}}, 0x0) 12:26:36 executing program 4: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x40901) r1 = openat$null(0xffffffffffffff9c, 0x0, 0x0, 0x0) mmap$perf(&(0x7f0000ffe000/0x2000)=nil, 0x2000, 0x0, 0x10, r1, 0x0) ioctl$PERF_EVENT_IOC_DISABLE(r1, 0x2401, 0x45) r2 = socket$netlink(0x10, 0x3, 0x7) sendmsg$TIPC_CMD_SET_NETID(r2, &(0x7f0000000d80)={0x0, 0x0, &(0x7f0000000d40)={&(0x7f0000000d00)={0x24, 0x0, 0x0, 0x0, 0x0, {{}, {}, {0x8}}}, 0x24}}, 0x0) r3 = syz_genetlink_get_family_id$ipvs(&(0x7f0000000080), 0xffffffffffffffff) sendmsg$IPVS_CMD_NEW_DEST(r2, &(0x7f0000000280)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x80}, 0xc, &(0x7f0000000240)={&(0x7f00000000c0)=ANY=[@ANYBLOB="50010000", @ANYRES16=r3, @ANYBLOB="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"], 0x150}, 0x1, 0x0, 0x0, 0x4000014}, 0x4000) r4 = socket$nl_generic(0x10, 0x3, 0x10) sendmsg$TIPC_CMD_SET_NODE_ADDR(r4, &(0x7f0000000380)={&(0x7f00000002c0)={0x10, 0x0, 0x0, 0x80000000}, 0xc, &(0x7f0000000340)={&(0x7f0000000300)={0x24, 0x0, 0x400, 0x70bd2d, 0x25dfdbfb, {{}, {}, {0x8, 0x11, 0x401}}, ["", "", "", "", "", ""]}, 0x24}, 0x1, 0x0, 0x0, 0x40}, 0x4000000) ioctl$NBD_SET_SOCK(r0, 0xab00, 0xffffffffffffffff) 12:26:36 executing program 3: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, 0xffffffffffffffff) [ 357.080503] nbd: couldn't find device at index -1 12:26:36 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r1) sendmsg$NBD_CMD_DISCONNECT(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000000)=ANY=[@ANYBLOB='l\x00\x00\x00', @ANYRES16=r2, @ANYBLOB="01002dbd7000fddbdf25020000000c00030001000100", @ANYRES32, @ANYBLOB="08000140"], 0x6c}}, 0x0) 12:26:36 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), 0xffffffffffffffff) sendmsg$NBD_CMD_DISCONNECT(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f00000004c0)=ANY=[@ANYBLOB="10000000", @ANYRES16=r1, @ANYBLOB="01002dbd7000fddbdf25020000000c00030001000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB], 0x6c}}, 0x0) [ 357.126519] nbd: couldn't find device at index -1 12:26:36 executing program 4: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x40901) (async) r1 = openat$null(0xffffffffffffff9c, 0x0, 0x0, 0x0) mmap$perf(&(0x7f0000ffe000/0x2000)=nil, 0x2000, 0x0, 0x10, r1, 0x0) ioctl$PERF_EVENT_IOC_DISABLE(r1, 0x2401, 0x45) (async) r2 = socket$netlink(0x10, 0x3, 0x7) sendmsg$TIPC_CMD_SET_NETID(r2, &(0x7f0000000d80)={0x0, 0x0, &(0x7f0000000d40)={&(0x7f0000000d00)={0x24, 0x0, 0x0, 0x0, 0x0, {{}, {}, {0x8}}}, 0x24}}, 0x0) (async) r3 = syz_genetlink_get_family_id$ipvs(&(0x7f0000000080), 0xffffffffffffffff) sendmsg$IPVS_CMD_NEW_DEST(r2, &(0x7f0000000280)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x80}, 0xc, &(0x7f0000000240)={&(0x7f00000000c0)=ANY=[@ANYBLOB="50010000", @ANYRES16=r3, @ANYBLOB="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"], 0x150}, 0x1, 0x0, 0x0, 0x4000014}, 0x4000) (async) r4 = socket$nl_generic(0x10, 0x3, 0x10) sendmsg$TIPC_CMD_SET_NODE_ADDR(r4, &(0x7f0000000380)={&(0x7f00000002c0)={0x10, 0x0, 0x0, 0x80000000}, 0xc, &(0x7f0000000340)={&(0x7f0000000300)={0x24, 0x0, 0x400, 0x70bd2d, 0x25dfdbfb, {{}, {}, {0x8, 0x11, 0x401}}, ["", "", "", "", "", ""]}, 0x24}, 0x1, 0x0, 0x0, 0x40}, 0x4000000) ioctl$NBD_SET_SOCK(r0, 0xab00, 0xffffffffffffffff) 12:26:36 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r1) sendmsg$NBD_CMD_DISCONNECT(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000000)=ANY=[@ANYBLOB='l\x00', @ANYRES16=r2, @ANYBLOB="01002dbd7000fddbdf25020000000c00030001000100", @ANYRES32, @ANYBLOB="0800014036ece36e"], 0x6c}}, 0x0) 12:26:36 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r1) sendmsg$NBD_CMD_DISCONNECT(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f00000004c0)=ANY=[@ANYBLOB='l\x00\x00\x00', @ANYRES16=r2, @ANYBLOB="01002dbd7000fddbdf25020000000c00030001000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB], 0x6c}}, 0x0) r3 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r1) sendmsg$NBD_CMD_DISCONNECT(r0, &(0x7f00000001c0)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x80000}, 0xc, &(0x7f0000000180)={&(0x7f00000000c0)={0x34, r3, 0x1, 0x70bd29, 0x25dfdbfb, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x6}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x1}]}, 0x34}, 0x1, 0x0, 0x0, 0x4000}, 0x4000004) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r1) (async) sendmsg$NBD_CMD_DISCONNECT(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f00000004c0)=ANY=[@ANYBLOB='l\x00\x00\x00', @ANYRES16=r2, @ANYBLOB="01002dbd7000fddbdf25020000000c00030001000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB], 0x6c}}, 0x0) (async) syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r1) (async) sendmsg$NBD_CMD_DISCONNECT(r0, &(0x7f00000001c0)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x80000}, 0xc, &(0x7f0000000180)={&(0x7f00000000c0)={0x34, r3, 0x1, 0x70bd29, 0x25dfdbfb, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x6}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x1}]}, 0x34}, 0x1, 0x0, 0x0, 0x4000}, 0x4000004) (async) 12:26:36 executing program 3: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, 0xffffffffffffffff) 12:26:36 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r1) sendmsg$NBD_CMD_DISCONNECT(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000000)=ANY=[@ANYBLOB='l\x00\x00\x00', @ANYRES16=r2, @ANYBLOB="01002dbd7000fddbdf25020000000c00030001000100", @ANYRES32, @ANYBLOB="08000140"], 0x6c}}, 0x0) 12:26:36 executing program 4: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x40901) r1 = openat$null(0xffffffffffffff9c, 0x0, 0x0, 0x0) mmap$perf(&(0x7f0000ffe000/0x2000)=nil, 0x2000, 0x0, 0x10, r1, 0x0) (async) ioctl$PERF_EVENT_IOC_DISABLE(r1, 0x2401, 0x45) (async) r2 = socket$netlink(0x10, 0x3, 0x7) sendmsg$TIPC_CMD_SET_NETID(r2, &(0x7f0000000d80)={0x0, 0x0, &(0x7f0000000d40)={&(0x7f0000000d00)={0x24, 0x0, 0x0, 0x0, 0x0, {{}, {}, {0x8}}}, 0x24}}, 0x0) (async) r3 = syz_genetlink_get_family_id$ipvs(&(0x7f0000000080), 0xffffffffffffffff) sendmsg$IPVS_CMD_NEW_DEST(r2, &(0x7f0000000280)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x80}, 0xc, &(0x7f0000000240)={&(0x7f00000000c0)=ANY=[@ANYBLOB="50010000", @ANYRES16=r3, @ANYBLOB="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"], 0x150}, 0x1, 0x0, 0x0, 0x4000014}, 0x4000) r4 = socket$nl_generic(0x10, 0x3, 0x10) sendmsg$TIPC_CMD_SET_NODE_ADDR(r4, &(0x7f0000000380)={&(0x7f00000002c0)={0x10, 0x0, 0x0, 0x80000000}, 0xc, &(0x7f0000000340)={&(0x7f0000000300)={0x24, 0x0, 0x400, 0x70bd2d, 0x25dfdbfb, {{}, {}, {0x8, 0x11, 0x401}}, ["", "", "", "", "", ""]}, 0x24}, 0x1, 0x0, 0x0, 0x40}, 0x4000000) ioctl$NBD_SET_SOCK(r0, 0xab00, 0xffffffffffffffff) 12:26:36 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), 0xffffffffffffffff) sendmsg$NBD_CMD_DISCONNECT(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f00000004c0)=ANY=[@ANYBLOB="10000000", @ANYRES16=r1, @ANYBLOB="01002dbd7000fddbdf25020000000c00030001000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB], 0x6c}}, 0x0) [ 357.227270] nbd: couldn't find device at index -1 12:26:36 executing program 3: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, 0xffffffffffffffff) 12:26:36 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r1) sendmsg$NBD_CMD_DISCONNECT(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000000)=ANY=[@ANYBLOB='l\x00\x00\x00', @ANYRES16=r2, @ANYBLOB="01002dbd7000fddbdf25020000000c00030001000100", @ANYRES32, @ANYBLOB="0800014036ec"], 0x6c}}, 0x0) 12:26:36 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r1) sendmsg$NBD_CMD_DISCONNECT(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000000)=ANY=[@ANYBLOB='l\x00\x00', @ANYRES16=r2, @ANYBLOB="01002dbd7000fddbdf25020000000c00030001000100", @ANYRES32, @ANYBLOB="0800014036ece36e"], 0x6c}}, 0x0) [ 357.256013] nbd: couldn't find device at index -1 12:26:36 executing program 0: syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r0) sendmsg$NBD_CMD_DISCONNECT(0xffffffffffffffff, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f00000004c0)=ANY=[@ANYBLOB="10000000", @ANYRES16=r1, @ANYBLOB="01002dbd7000fddbdf25020000000c00030001000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB], 0x6c}}, 0x0) 12:26:36 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = openat$null(0xffffffffffffff9c, &(0x7f0000000000), 0x4000, 0x0) ioctl$SW_SYNC_IOC_INC(r2, 0x40045701, &(0x7f0000000080)=0x9) r3 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r1) sendmsg$NBD_CMD_DISCONNECT(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f00000004c0)=ANY=[@ANYBLOB='l\x00\x00\x00', @ANYRES16=r3, @ANYBLOB="01002dbd7000fddbdf25020000000c00030001000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB], 0x6c}}, 0x0) 12:26:36 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r1) sendmsg$NBD_CMD_DISCONNECT(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000000)=ANY=[@ANYBLOB='l\x00\x00', @ANYRES16=r2, @ANYBLOB="01002dbd7000fddbdf25020000000c00030001000100", @ANYRES32, @ANYBLOB="0800014036ece36e"], 0x6c}}, 0x0) 12:26:36 executing program 4: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x40b01) ioctl$NBD_SET_SOCK(r0, 0xab00, 0xffffffffffffffff) r1 = syz_genetlink_get_family_id$batadv(&(0x7f0000000080), 0xffffffffffffffff) sendmsg$BATADV_CMD_TP_METER_CANCEL(0xffffffffffffffff, &(0x7f0000000180)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x800}, 0xc, &(0x7f0000000140)={&(0x7f00000000c0)={0x50, r1, 0x20, 0x70bd28, 0x25dfdbfb, {}, [@BATADV_ATTR_GW_MODE={0x5, 0x33, 0x2}, @BATADV_ATTR_GW_MODE={0x5}, @BATADV_ATTR_ELP_INTERVAL={0x8, 0x3a, 0xee}, @BATADV_ATTR_ORIG_ADDRESS={0xa, 0x9, @local}, @BATADV_ATTR_GW_MODE={0x5, 0x33, 0x2}, @BATADV_ATTR_AGGREGATED_OGMS_ENABLED={0x5, 0x29, 0x1}, @BATADV_ATTR_TPMETER_TEST_TIME={0x8, 0xb, 0x6}]}, 0x50}, 0x1, 0x0, 0x0, 0x20008810}, 0x4) 12:26:36 executing program 3: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) syz_genetlink_get_family_id$ipvs(&(0x7f0000000040), 0xffffffffffffffff) r1 = socket$netlink(0x10, 0x3, 0x7) sendmsg$TIPC_CMD_SET_NETID(r1, &(0x7f0000000d80)={0x0, 0x0, &(0x7f0000000d40)={&(0x7f0000000d00)={0x24, 0x0, 0x0, 0x0, 0x0, {{}, {}, {0x8}}}, 0x24}}, 0x0) sendmsg$nl_route(r1, &(0x7f0000000140)={&(0x7f0000000080)={0x10, 0x0, 0x0, 0x2}, 0xc, &(0x7f0000000100)={&(0x7f00000000c0)=@ipv4_getroute={0x1c, 0x1a, 0x1, 0x70bd2a, 0x25dfdbfc, {0x2, 0x20, 0x14, 0x2, 0x0, 0x6, 0x2, 0x3, 0x1100}, ["", ""]}, 0x1c}, 0x1, 0x0, 0x0, 0x20000801}, 0x8840) ioctl$NBD_SET_SOCK(r0, 0xab00, 0xffffffffffffffff) 12:26:36 executing program 0: syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r0) sendmsg$NBD_CMD_DISCONNECT(0xffffffffffffffff, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f00000004c0)=ANY=[@ANYBLOB="10000000", @ANYRES16=r1, @ANYBLOB="01002dbd7000fddbdf25020000000c00030001000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB], 0x6c}}, 0x0) [ 357.363535] nbd: couldn't find device at index 60470 12:26:37 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r1) sendmsg$NBD_CMD_DISCONNECT(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000000)=ANY=[@ANYBLOB='l\x00\x00\x00', @ANYRES16=r2, @ANYBLOB="01002dbd7000fddbdf25020000000c00030001000100", @ANYRES32, @ANYBLOB="0800014036ec"], 0x6c}}, 0x0) 12:26:37 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r1) sendmsg$NBD_CMD_DISCONNECT(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000000)=ANY=[@ANYBLOB='l\x00\x00', @ANYRES16=r2, @ANYBLOB="01002dbd7000fddbdf25020000000c00030001000100", @ANYRES32, @ANYBLOB="0800014036ece36e"], 0x6c}}, 0x0) 12:26:37 executing program 4: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x40b01) ioctl$NBD_SET_SOCK(r0, 0xab00, 0xffffffffffffffff) r1 = syz_genetlink_get_family_id$batadv(&(0x7f0000000080), 0xffffffffffffffff) sendmsg$BATADV_CMD_TP_METER_CANCEL(0xffffffffffffffff, &(0x7f0000000180)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x800}, 0xc, &(0x7f0000000140)={&(0x7f00000000c0)={0x50, r1, 0x20, 0x70bd28, 0x25dfdbfb, {}, [@BATADV_ATTR_GW_MODE={0x5, 0x33, 0x2}, @BATADV_ATTR_GW_MODE={0x5}, @BATADV_ATTR_ELP_INTERVAL={0x8, 0x3a, 0xee}, @BATADV_ATTR_ORIG_ADDRESS={0xa, 0x9, @local}, @BATADV_ATTR_GW_MODE={0x5, 0x33, 0x2}, @BATADV_ATTR_AGGREGATED_OGMS_ENABLED={0x5, 0x29, 0x1}, @BATADV_ATTR_TPMETER_TEST_TIME={0x8, 0xb, 0x6}]}, 0x50}, 0x1, 0x0, 0x0, 0x20008810}, 0x4) syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x40b01) (async) ioctl$NBD_SET_SOCK(r0, 0xab00, 0xffffffffffffffff) (async) syz_genetlink_get_family_id$batadv(&(0x7f0000000080), 0xffffffffffffffff) (async) sendmsg$BATADV_CMD_TP_METER_CANCEL(0xffffffffffffffff, &(0x7f0000000180)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x800}, 0xc, &(0x7f0000000140)={&(0x7f00000000c0)={0x50, r1, 0x20, 0x70bd28, 0x25dfdbfb, {}, [@BATADV_ATTR_GW_MODE={0x5, 0x33, 0x2}, @BATADV_ATTR_GW_MODE={0x5}, @BATADV_ATTR_ELP_INTERVAL={0x8, 0x3a, 0xee}, @BATADV_ATTR_ORIG_ADDRESS={0xa, 0x9, @local}, @BATADV_ATTR_GW_MODE={0x5, 0x33, 0x2}, @BATADV_ATTR_AGGREGATED_OGMS_ENABLED={0x5, 0x29, 0x1}, @BATADV_ATTR_TPMETER_TEST_TIME={0x8, 0xb, 0x6}]}, 0x50}, 0x1, 0x0, 0x0, 0x20008810}, 0x4) (async) [ 357.393743] nbd: couldn't find device at index -1 12:26:37 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = openat$null(0xffffffffffffff9c, &(0x7f0000000000), 0x4000, 0x0) ioctl$SW_SYNC_IOC_INC(r2, 0x40045701, &(0x7f0000000080)=0x9) r3 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r1) sendmsg$NBD_CMD_DISCONNECT(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f00000004c0)=ANY=[@ANYBLOB='l\x00\x00\x00', @ANYRES16=r3, @ANYBLOB="01002dbd7000fddbdf25020000000c00030001000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB], 0x6c}}, 0x0) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) openat$null(0xffffffffffffff9c, &(0x7f0000000000), 0x4000, 0x0) (async) ioctl$SW_SYNC_IOC_INC(r2, 0x40045701, &(0x7f0000000080)=0x9) (async) syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r1) (async) sendmsg$NBD_CMD_DISCONNECT(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f00000004c0)=ANY=[@ANYBLOB='l\x00\x00\x00', @ANYRES16=r3, @ANYBLOB="01002dbd7000fddbdf25020000000c00030001000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB], 0x6c}}, 0x0) (async) 12:26:37 executing program 3: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) (async) syz_genetlink_get_family_id$ipvs(&(0x7f0000000040), 0xffffffffffffffff) (async, rerun: 32) r1 = socket$netlink(0x10, 0x3, 0x7) (rerun: 32) sendmsg$TIPC_CMD_SET_NETID(r1, &(0x7f0000000d80)={0x0, 0x0, &(0x7f0000000d40)={&(0x7f0000000d00)={0x24, 0x0, 0x0, 0x0, 0x0, {{}, {}, {0x8}}}, 0x24}}, 0x0) sendmsg$nl_route(r1, &(0x7f0000000140)={&(0x7f0000000080)={0x10, 0x0, 0x0, 0x2}, 0xc, &(0x7f0000000100)={&(0x7f00000000c0)=@ipv4_getroute={0x1c, 0x1a, 0x1, 0x70bd2a, 0x25dfdbfc, {0x2, 0x20, 0x14, 0x2, 0x0, 0x6, 0x2, 0x3, 0x1100}, ["", ""]}, 0x1c}, 0x1, 0x0, 0x0, 0x20000801}, 0x8840) ioctl$NBD_SET_SOCK(r0, 0xab00, 0xffffffffffffffff) 12:26:37 executing program 0: syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r0) sendmsg$NBD_CMD_DISCONNECT(0xffffffffffffffff, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f00000004c0)=ANY=[@ANYBLOB="10000000", @ANYRES16=r1, @ANYBLOB="01002dbd7000fddbdf25020000000c00030001000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB], 0x6c}}, 0x0) 12:26:37 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r1) sendmsg$NBD_CMD_DISCONNECT(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000000)=ANY=[@ANYBLOB='l\x00', @ANYRES16=r2, @ANYBLOB="01002dbd7000fddbdf25020000000c00030001000100", @ANYRES32, @ANYBLOB="0800014036ece36e"], 0x6c}}, 0x0) [ 357.467908] nbd: couldn't find device at index 60470 12:26:37 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r1) sendmsg$NBD_CMD_DISCONNECT(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000000)=ANY=[@ANYBLOB='l\x00\x00\x00', @ANYRES16=r2, @ANYBLOB="01002dbd7000fddbdf25020000000c00030001000100", @ANYRES32, @ANYBLOB="0800014036ec"], 0x6c}}, 0x0) 12:26:37 executing program 4: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x40b01) ioctl$NBD_SET_SOCK(r0, 0xab00, 0xffffffffffffffff) (async) r1 = syz_genetlink_get_family_id$batadv(&(0x7f0000000080), 0xffffffffffffffff) sendmsg$BATADV_CMD_TP_METER_CANCEL(0xffffffffffffffff, &(0x7f0000000180)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x800}, 0xc, &(0x7f0000000140)={&(0x7f00000000c0)={0x50, r1, 0x20, 0x70bd28, 0x25dfdbfb, {}, [@BATADV_ATTR_GW_MODE={0x5, 0x33, 0x2}, @BATADV_ATTR_GW_MODE={0x5}, @BATADV_ATTR_ELP_INTERVAL={0x8, 0x3a, 0xee}, @BATADV_ATTR_ORIG_ADDRESS={0xa, 0x9, @local}, @BATADV_ATTR_GW_MODE={0x5, 0x33, 0x2}, @BATADV_ATTR_AGGREGATED_OGMS_ENABLED={0x5, 0x29, 0x1}, @BATADV_ATTR_TPMETER_TEST_TIME={0x8, 0xb, 0x6}]}, 0x50}, 0x1, 0x0, 0x0, 0x20008810}, 0x4) [ 357.492905] nbd: couldn't find device at index -1 12:26:37 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), 0xffffffffffffffff) sendmsg$NBD_CMD_DISCONNECT(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f00000004c0)=ANY=[@ANYBLOB="10000000", @ANYRES16=r1, @ANYBLOB="01002dbd7000fddbdf25020000000c00030001000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB], 0x6c}}, 0x0) 12:26:37 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r1) sendmsg$NBD_CMD_DISCONNECT(r0, 0x0, 0x0) [ 357.536259] nbd: couldn't find device at index -1 12:26:37 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) r2 = openat$null(0xffffffffffffff9c, &(0x7f0000000000), 0x4000, 0x0) ioctl$SW_SYNC_IOC_INC(r2, 0x40045701, &(0x7f0000000080)=0x9) (async) r3 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r1) sendmsg$NBD_CMD_DISCONNECT(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f00000004c0)=ANY=[@ANYBLOB='l\x00\x00\x00', @ANYRES16=r3, @ANYBLOB="01002dbd7000fddbdf25020000000c00030001000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB], 0x6c}}, 0x0) 12:26:37 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r1) sendmsg$NBD_CMD_DISCONNECT(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000000)=ANY=[@ANYBLOB='l\x00\x00\x00', @ANYRES16=r2, @ANYBLOB="01002dbd7000fddbdf25020000000c00030001000100", @ANYBLOB="0800014036ece3"], 0x6c}}, 0x0) [ 357.559642] nbd: couldn't find device at index 60470 12:26:37 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r1) sendmsg$NBD_CMD_DISCONNECT(r0, 0x0, 0x0) 12:26:37 executing program 3: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) syz_genetlink_get_family_id$ipvs(&(0x7f0000000040), 0xffffffffffffffff) r1 = socket$netlink(0x10, 0x3, 0x7) sendmsg$TIPC_CMD_SET_NETID(r1, &(0x7f0000000d80)={0x0, 0x0, &(0x7f0000000d40)={&(0x7f0000000d00)={0x24, 0x0, 0x0, 0x0, 0x0, {{}, {}, {0x8}}}, 0x24}}, 0x0) sendmsg$nl_route(r1, &(0x7f0000000140)={&(0x7f0000000080)={0x10, 0x0, 0x0, 0x2}, 0xc, &(0x7f0000000100)={&(0x7f00000000c0)=@ipv4_getroute={0x1c, 0x1a, 0x1, 0x70bd2a, 0x25dfdbfc, {0x2, 0x20, 0x14, 0x2, 0x0, 0x6, 0x2, 0x3, 0x1100}, ["", ""]}, 0x1c}, 0x1, 0x0, 0x0, 0x20000801}, 0x8840) ioctl$NBD_SET_SOCK(r0, 0xab00, 0xffffffffffffffff) syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) (async) syz_genetlink_get_family_id$ipvs(&(0x7f0000000040), 0xffffffffffffffff) (async) socket$netlink(0x10, 0x3, 0x7) (async) sendmsg$TIPC_CMD_SET_NETID(r1, &(0x7f0000000d80)={0x0, 0x0, &(0x7f0000000d40)={&(0x7f0000000d00)={0x24, 0x0, 0x0, 0x0, 0x0, {{}, {}, {0x8}}}, 0x24}}, 0x0) (async) sendmsg$nl_route(r1, &(0x7f0000000140)={&(0x7f0000000080)={0x10, 0x0, 0x0, 0x2}, 0xc, &(0x7f0000000100)={&(0x7f00000000c0)=@ipv4_getroute={0x1c, 0x1a, 0x1, 0x70bd2a, 0x25dfdbfc, {0x2, 0x20, 0x14, 0x2, 0x0, 0x6, 0x2, 0x3, 0x1100}, ["", ""]}, 0x1c}, 0x1, 0x0, 0x0, 0x20000801}, 0x8840) (async) ioctl$NBD_SET_SOCK(r0, 0xab00, 0xffffffffffffffff) (async) 12:26:37 executing program 4: syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x40b01) r0 = openat$null(0xffffffffffffff9c, 0x0, 0x0, 0x0) mmap$perf(&(0x7f0000ffe000/0x2000)=nil, 0x2000, 0x300000e, 0x11, r0, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, 0xffffffffffffffff) r1 = socket$netlink(0x10, 0x3, 0x7) sendmsg$TIPC_CMD_SET_NETID(r1, &(0x7f0000000d80)={0x0, 0x0, &(0x7f0000000d40)={&(0x7f0000000d00)={0x24, 0x0, 0x0, 0x0, 0x0, {{}, {}, {0x8}}}, 0x24}}, 0x0) r2 = syz_genetlink_get_family_id$tipc(&(0x7f00000000c0), r1) sendmsg$TIPC_CMD_SET_NODE_ADDR(r1, &(0x7f0000000280)={&(0x7f00000001c0)={0x10, 0x0, 0x0, 0x1000000}, 0xc, &(0x7f0000000240)={&(0x7f0000000200)={0x24, r2, 0x2, 0x70bd2d, 0x25dfdbfd, {{}, {}, {0x8, 0x11, 0x40}}, ["", "", "", ""]}, 0x24}, 0x1, 0x0, 0x0, 0x46008001}, 0x200008c0) sendmsg$IPVS_CMD_FLUSH(r0, &(0x7f0000000400)={&(0x7f00000002c0)={0x10, 0x0, 0x0, 0x94000200}, 0xc, &(0x7f00000003c0)={&(0x7f0000000300)={0xb8, 0x0, 0x800, 0x70bd25, 0x25dfdbff, {}, [@IPVS_CMD_ATTR_TIMEOUT_UDP={0x8, 0x6, 0x800}, @IPVS_CMD_ATTR_TIMEOUT_UDP={0x8, 0x6, 0x1}, @IPVS_CMD_ATTR_DAEMON={0x74, 0x3, 0x0, 0x1, [@IPVS_DAEMON_ATTR_MCAST_GROUP6={0x14, 0x6, @mcast1}, @IPVS_DAEMON_ATTR_MCAST_GROUP6={0x14, 0x6, @private1={0xfc, 0x1, '\x00', 0x1}}, @IPVS_DAEMON_ATTR_SYNC_MAXLEN={0x6, 0x4, 0xde6f}, @IPVS_DAEMON_ATTR_STATE={0x8}, @IPVS_DAEMON_ATTR_MCAST_GROUP6={0x14, 0x6, @ipv4={'\x00', '\xff\xff', @rand_addr=0x64010101}}, @IPVS_DAEMON_ATTR_MCAST_IFN={0x14, 0x2, 'pim6reg0\x00'}, @IPVS_DAEMON_ATTR_SYNC_ID={0x8}, @IPVS_DAEMON_ATTR_MCAST_GROUP={0x8, 0x5, @multicast2}]}, @IPVS_CMD_ATTR_TIMEOUT_TCP_FIN={0x8, 0x5, 0xff}, @IPVS_CMD_ATTR_TIMEOUT_UDP={0x8}, @IPVS_CMD_ATTR_TIMEOUT_TCP={0x8, 0x4, 0xfffffff7}, @IPVS_CMD_ATTR_TIMEOUT_TCP_FIN={0x8, 0x5, 0xffff}]}, 0xb8}, 0x1, 0x0, 0x0, 0x4048080}, 0x1) sendmsg$TIPC_CMD_SET_LINK_PRI(r0, &(0x7f0000000180)={&(0x7f0000000080)={0x10, 0x0, 0x0, 0x40000000}, 0xc, &(0x7f0000000140)={&(0x7f0000000100)={0x30, r2, 0x2, 0x70bd2c, 0x25dfdbff, {{}, {}, {0x14, 0x18, {0x4, @bearer=@udp='udp:syz1\x00'}}}, ["", "", "", "", "", "", ""]}, 0x30}, 0x1, 0x0, 0x0, 0x4000000}, 0x44) ioctl$sock_bt_cmtp_CMTPCONNADD(r0, 0x400443c8, &(0x7f0000000040)={r1, 0x800000}) 12:26:37 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r1) sendmsg$NBD_CMD_DISCONNECT(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000000)=ANY=[@ANYBLOB='l\x00\x00\x00', @ANYRES16=r2, @ANYBLOB="01002dbd7000fddbdf25020000000c00030001000100", @ANYRES32, @ANYBLOB], 0x6c}}, 0x0) [ 357.673964] nbd: must specify an index to disconnect 12:26:37 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) getegid() r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r4 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r2) getgid() sendmsg$NBD_CMD_DISCONNECT(r3, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000080)={0x14, r4, 0x1}, 0x14}, 0x1, 0x0, 0x0, 0x40000c5}, 0x0) sendmsg$NBD_CMD_STATUS(r1, &(0x7f0000000180)={&(0x7f0000000080)={0x10, 0x0, 0x0, 0x10020}, 0xc, &(0x7f0000000100)={&(0x7f00000000c0)={0x24, r4, 0x20, 0x70bd25, 0x25dfdbfe, {}, [@NBD_ATTR_BACKEND_IDENTIFIER={0x8, 0xa, 'nbd\x00'}, @NBD_ATTR_BACKEND_IDENTIFIER={0x8, 0xa, 'nbd\x00'}]}, 0x24}, 0x1, 0x0, 0x0, 0x40000}, 0x200000c0) r5 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r1) sendmsg$NBD_CMD_DISCONNECT(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000000)={&(0x7f00000004c0)=ANY=[@ANYBLOB='l\x00\x00\x00', @ANYRES16=r5, @ANYBLOB="01002dbd5001fddbdf25020000000c00030001000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB], 0x6c}, 0x1, 0x0, 0x0, 0x80}, 0x0) r6 = syz_genetlink_get_family_id$batadv(&(0x7f0000000200), 0xffffffffffffffff) getpeername$packet(0xffffffffffffffff, &(0x7f0000000300)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @multicast}, &(0x7f0000000340)=0x14) sendmsg$BATADV_CMD_GET_DAT_CACHE(0xffffffffffffffff, &(0x7f00000002c0)={&(0x7f00000001c0)={0x10, 0x0, 0x0, 0x200000}, 0xc, &(0x7f0000000280)={&(0x7f0000000380)={0x28, r6, 0x800, 0x70bd25, 0x25dfdbfc, {}, [@BATADV_ATTR_ORIG_ADDRESS={0xa, 0x9, @remote}, @BATADV_ATTR_HARD_IFINDEX={0x8, 0x6, r7}]}, 0x28}, 0x1, 0x0, 0x0, 0x20000810}, 0x41) 12:26:37 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r1) sendmsg$NBD_CMD_DISCONNECT(r0, 0x0, 0x0) 12:26:37 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r1) sendmsg$NBD_CMD_DISCONNECT(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000000)=ANY=[@ANYBLOB='l\x00\x00\x00', @ANYRES16=r2, @ANYBLOB="01002dbd7000fddbdf25020000000c00030001000100", @ANYBLOB="0800014036ece3"], 0x6c}}, 0x0) 12:26:37 executing program 4: syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x40b01) (async) r0 = openat$null(0xffffffffffffff9c, 0x0, 0x0, 0x0) mmap$perf(&(0x7f0000ffe000/0x2000)=nil, 0x2000, 0x300000e, 0x11, r0, 0x0) (async) ioctl$NBD_SET_SOCK(r0, 0xab00, 0xffffffffffffffff) (async) r1 = socket$netlink(0x10, 0x3, 0x7) sendmsg$TIPC_CMD_SET_NETID(r1, &(0x7f0000000d80)={0x0, 0x0, &(0x7f0000000d40)={&(0x7f0000000d00)={0x24, 0x0, 0x0, 0x0, 0x0, {{}, {}, {0x8}}}, 0x24}}, 0x0) (async, rerun: 64) r2 = syz_genetlink_get_family_id$tipc(&(0x7f00000000c0), r1) (rerun: 64) sendmsg$TIPC_CMD_SET_NODE_ADDR(r1, &(0x7f0000000280)={&(0x7f00000001c0)={0x10, 0x0, 0x0, 0x1000000}, 0xc, &(0x7f0000000240)={&(0x7f0000000200)={0x24, r2, 0x2, 0x70bd2d, 0x25dfdbfd, {{}, {}, {0x8, 0x11, 0x40}}, ["", "", "", ""]}, 0x24}, 0x1, 0x0, 0x0, 0x46008001}, 0x200008c0) (async, rerun: 32) sendmsg$IPVS_CMD_FLUSH(r0, &(0x7f0000000400)={&(0x7f00000002c0)={0x10, 0x0, 0x0, 0x94000200}, 0xc, &(0x7f00000003c0)={&(0x7f0000000300)={0xb8, 0x0, 0x800, 0x70bd25, 0x25dfdbff, {}, [@IPVS_CMD_ATTR_TIMEOUT_UDP={0x8, 0x6, 0x800}, @IPVS_CMD_ATTR_TIMEOUT_UDP={0x8, 0x6, 0x1}, @IPVS_CMD_ATTR_DAEMON={0x74, 0x3, 0x0, 0x1, [@IPVS_DAEMON_ATTR_MCAST_GROUP6={0x14, 0x6, @mcast1}, @IPVS_DAEMON_ATTR_MCAST_GROUP6={0x14, 0x6, @private1={0xfc, 0x1, '\x00', 0x1}}, @IPVS_DAEMON_ATTR_SYNC_MAXLEN={0x6, 0x4, 0xde6f}, @IPVS_DAEMON_ATTR_STATE={0x8}, @IPVS_DAEMON_ATTR_MCAST_GROUP6={0x14, 0x6, @ipv4={'\x00', '\xff\xff', @rand_addr=0x64010101}}, @IPVS_DAEMON_ATTR_MCAST_IFN={0x14, 0x2, 'pim6reg0\x00'}, @IPVS_DAEMON_ATTR_SYNC_ID={0x8}, @IPVS_DAEMON_ATTR_MCAST_GROUP={0x8, 0x5, @multicast2}]}, @IPVS_CMD_ATTR_TIMEOUT_TCP_FIN={0x8, 0x5, 0xff}, @IPVS_CMD_ATTR_TIMEOUT_UDP={0x8}, @IPVS_CMD_ATTR_TIMEOUT_TCP={0x8, 0x4, 0xfffffff7}, @IPVS_CMD_ATTR_TIMEOUT_TCP_FIN={0x8, 0x5, 0xffff}]}, 0xb8}, 0x1, 0x0, 0x0, 0x4048080}, 0x1) (rerun: 32) sendmsg$TIPC_CMD_SET_LINK_PRI(r0, &(0x7f0000000180)={&(0x7f0000000080)={0x10, 0x0, 0x0, 0x40000000}, 0xc, &(0x7f0000000140)={&(0x7f0000000100)={0x30, r2, 0x2, 0x70bd2c, 0x25dfdbff, {{}, {}, {0x14, 0x18, {0x4, @bearer=@udp='udp:syz1\x00'}}}, ["", "", "", "", "", "", ""]}, 0x30}, 0x1, 0x0, 0x0, 0x4000000}, 0x44) ioctl$sock_bt_cmtp_CMTPCONNADD(r0, 0x400443c8, &(0x7f0000000040)={r1, 0x800000}) 12:26:37 executing program 3: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, 0xffffffffffffffff) ioctl$VFIO_IOMMU_MAP_DMA(0xffffffffffffffff, 0x3b71, &(0x7f0000000100)={0x20, 0x0, &(0x7f0000000040)="04e126f59487646f102f9ba734a58a8e06a0fe22c2635722f199cc22b8e79707498df79d70a7f6c4150da759bcffdc88fb556579cbda4b4b97214adea2a654f11d991f0a52a17cd7c9739d20e7c901014d2ec60bcd5f9191eb9f2551aac0cf245ed334c6aa168d806ae979cce67de3d96a08dd1bc6566ea014e5aaf5275bba68adca2cfecb2f3ca33bc30fd13750931e7a88f9b388ce28b61b50bd1c3b6787005f55c779e865dffd2698d76694c89db554c81038f859bd120747a1577583", 0x6}) r1 = openat$vfio(0xffffffffffffff9c, &(0x7f0000000140), 0x4080, 0x0) ioctl$VFIO_CHECK_EXTENSION(r1, 0x3b65, 0x2) [ 357.767382] nbd: must specify an index to disconnect 12:26:37 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r1) sendmsg$NBD_CMD_DISCONNECT(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000000)=ANY=[@ANYBLOB='l\x00\x00\x00', @ANYRES16=r2, @ANYBLOB="01002dbd7000fddbdf25020000000c00030001000100", @ANYBLOB="0800014036ece3"], 0x6c}}, 0x0) 12:26:37 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r1) sendmsg$NBD_CMD_DISCONNECT(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f00000004c0)=ANY=[@ANYBLOB='l\x00\x00\x00', @ANYRES16=r2, @ANYBLOB="01002dbd7000fddbdf25020000000c00030001000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB], 0x6c}}, 0x0) r3 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r1) sendmsg$NBD_CMD_DISCONNECT(r0, &(0x7f00000001c0)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x80000}, 0xc, &(0x7f0000000180)={&(0x7f00000000c0)={0x34, r3, 0x1, 0x70bd29, 0x25dfdbfb, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x6}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x1}]}, 0x34}, 0x1, 0x0, 0x0, 0x4000}, 0x4000004) 12:26:37 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r1) sendmsg$NBD_CMD_DISCONNECT(r0, &(0x7f0000000140)={0x0, 0x0, 0x0}, 0x0) 12:26:37 executing program 4: syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x40b01) (async) r0 = openat$null(0xffffffffffffff9c, 0x0, 0x0, 0x0) mmap$perf(&(0x7f0000ffe000/0x2000)=nil, 0x2000, 0x300000e, 0x11, r0, 0x0) (async) ioctl$NBD_SET_SOCK(r0, 0xab00, 0xffffffffffffffff) (async) r1 = socket$netlink(0x10, 0x3, 0x7) sendmsg$TIPC_CMD_SET_NETID(r1, &(0x7f0000000d80)={0x0, 0x0, &(0x7f0000000d40)={&(0x7f0000000d00)={0x24, 0x0, 0x0, 0x0, 0x0, {{}, {}, {0x8}}}, 0x24}}, 0x0) (async) r2 = syz_genetlink_get_family_id$tipc(&(0x7f00000000c0), r1) sendmsg$TIPC_CMD_SET_NODE_ADDR(r1, &(0x7f0000000280)={&(0x7f00000001c0)={0x10, 0x0, 0x0, 0x1000000}, 0xc, &(0x7f0000000240)={&(0x7f0000000200)={0x24, r2, 0x2, 0x70bd2d, 0x25dfdbfd, {{}, {}, {0x8, 0x11, 0x40}}, ["", "", "", ""]}, 0x24}, 0x1, 0x0, 0x0, 0x46008001}, 0x200008c0) (async) sendmsg$IPVS_CMD_FLUSH(r0, &(0x7f0000000400)={&(0x7f00000002c0)={0x10, 0x0, 0x0, 0x94000200}, 0xc, &(0x7f00000003c0)={&(0x7f0000000300)={0xb8, 0x0, 0x800, 0x70bd25, 0x25dfdbff, {}, [@IPVS_CMD_ATTR_TIMEOUT_UDP={0x8, 0x6, 0x800}, @IPVS_CMD_ATTR_TIMEOUT_UDP={0x8, 0x6, 0x1}, @IPVS_CMD_ATTR_DAEMON={0x74, 0x3, 0x0, 0x1, [@IPVS_DAEMON_ATTR_MCAST_GROUP6={0x14, 0x6, @mcast1}, @IPVS_DAEMON_ATTR_MCAST_GROUP6={0x14, 0x6, @private1={0xfc, 0x1, '\x00', 0x1}}, @IPVS_DAEMON_ATTR_SYNC_MAXLEN={0x6, 0x4, 0xde6f}, @IPVS_DAEMON_ATTR_STATE={0x8}, @IPVS_DAEMON_ATTR_MCAST_GROUP6={0x14, 0x6, @ipv4={'\x00', '\xff\xff', @rand_addr=0x64010101}}, @IPVS_DAEMON_ATTR_MCAST_IFN={0x14, 0x2, 'pim6reg0\x00'}, @IPVS_DAEMON_ATTR_SYNC_ID={0x8}, @IPVS_DAEMON_ATTR_MCAST_GROUP={0x8, 0x5, @multicast2}]}, @IPVS_CMD_ATTR_TIMEOUT_TCP_FIN={0x8, 0x5, 0xff}, @IPVS_CMD_ATTR_TIMEOUT_UDP={0x8}, @IPVS_CMD_ATTR_TIMEOUT_TCP={0x8, 0x4, 0xfffffff7}, @IPVS_CMD_ATTR_TIMEOUT_TCP_FIN={0x8, 0x5, 0xffff}]}, 0xb8}, 0x1, 0x0, 0x0, 0x4048080}, 0x1) (async) sendmsg$TIPC_CMD_SET_LINK_PRI(r0, &(0x7f0000000180)={&(0x7f0000000080)={0x10, 0x0, 0x0, 0x40000000}, 0xc, &(0x7f0000000140)={&(0x7f0000000100)={0x30, r2, 0x2, 0x70bd2c, 0x25dfdbff, {{}, {}, {0x14, 0x18, {0x4, @bearer=@udp='udp:syz1\x00'}}}, ["", "", "", "", "", "", ""]}, 0x30}, 0x1, 0x0, 0x0, 0x4000000}, 0x44) ioctl$sock_bt_cmtp_CMTPCONNADD(r0, 0x400443c8, &(0x7f0000000040)={r1, 0x800000}) 12:26:37 executing program 3: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, 0xffffffffffffffff) (async) ioctl$VFIO_IOMMU_MAP_DMA(0xffffffffffffffff, 0x3b71, &(0x7f0000000100)={0x20, 0x0, &(0x7f0000000040)="04e126f59487646f102f9ba734a58a8e06a0fe22c2635722f199cc22b8e79707498df79d70a7f6c4150da759bcffdc88fb556579cbda4b4b97214adea2a654f11d991f0a52a17cd7c9739d20e7c901014d2ec60bcd5f9191eb9f2551aac0cf245ed334c6aa168d806ae979cce67de3d96a08dd1bc6566ea014e5aaf5275bba68adca2cfecb2f3ca33bc30fd13750931e7a88f9b388ce28b61b50bd1c3b6787005f55c779e865dffd2698d76694c89db554c81038f859bd120747a1577583", 0x6}) (async) r1 = openat$vfio(0xffffffffffffff9c, &(0x7f0000000140), 0x4080, 0x0) ioctl$VFIO_CHECK_EXTENSION(r1, 0x3b65, 0x2) 12:26:37 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) getegid() (async) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) r4 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r2) getgid() (async) sendmsg$NBD_CMD_DISCONNECT(r3, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000080)={0x14, r4, 0x1}, 0x14}, 0x1, 0x0, 0x0, 0x40000c5}, 0x0) (async) sendmsg$NBD_CMD_STATUS(r1, &(0x7f0000000180)={&(0x7f0000000080)={0x10, 0x0, 0x0, 0x10020}, 0xc, &(0x7f0000000100)={&(0x7f00000000c0)={0x24, r4, 0x20, 0x70bd25, 0x25dfdbfe, {}, [@NBD_ATTR_BACKEND_IDENTIFIER={0x8, 0xa, 'nbd\x00'}, @NBD_ATTR_BACKEND_IDENTIFIER={0x8, 0xa, 'nbd\x00'}]}, 0x24}, 0x1, 0x0, 0x0, 0x40000}, 0x200000c0) (async) r5 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r1) sendmsg$NBD_CMD_DISCONNECT(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000000)={&(0x7f00000004c0)=ANY=[@ANYBLOB='l\x00\x00\x00', @ANYRES16=r5, @ANYBLOB="01002dbd5001fddbdf25020000000c00030001000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB], 0x6c}, 0x1, 0x0, 0x0, 0x80}, 0x0) (async) r6 = syz_genetlink_get_family_id$batadv(&(0x7f0000000200), 0xffffffffffffffff) (async) getpeername$packet(0xffffffffffffffff, &(0x7f0000000300)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @multicast}, &(0x7f0000000340)=0x14) sendmsg$BATADV_CMD_GET_DAT_CACHE(0xffffffffffffffff, &(0x7f00000002c0)={&(0x7f00000001c0)={0x10, 0x0, 0x0, 0x200000}, 0xc, &(0x7f0000000280)={&(0x7f0000000380)={0x28, r6, 0x800, 0x70bd25, 0x25dfdbfc, {}, [@BATADV_ATTR_ORIG_ADDRESS={0xa, 0x9, @remote}, @BATADV_ATTR_HARD_IFINDEX={0x8, 0x6, r7}]}, 0x28}, 0x1, 0x0, 0x0, 0x20000810}, 0x41) [ 357.791151] nbd: must specify an index to disconnect [ 357.800814] nbd: must specify an index to disconnect [ 357.823235] nbd: couldn't find device at index -1 12:26:37 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r1) sendmsg$NBD_CMD_DISCONNECT(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000000)=ANY=[@ANYBLOB='l\x00\x00\x00', @ANYRES16=r2, @ANYRES32, @ANYBLOB="0800014036ece3"], 0x6c}}, 0x0) 12:26:37 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r1) sendmsg$NBD_CMD_DISCONNECT(r0, &(0x7f0000000140)={0x0, 0x0, 0x0}, 0x0) [ 357.881981] nbd: must specify an index to disconnect [ 357.896047] nbd: couldn't find device at index -1 12:26:37 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r1) sendmsg$NBD_CMD_DISCONNECT(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f00000004c0)=ANY=[@ANYBLOB='l\x00\x00\x00', @ANYRES16=r2, @ANYBLOB="01002dbd7000fddbdf25020000000c00030001000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB], 0x6c}}, 0x0) r3 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r1) sendmsg$NBD_CMD_DISCONNECT(r0, &(0x7f00000001c0)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x80000}, 0xc, &(0x7f0000000180)={&(0x7f00000000c0)={0x34, r3, 0x1, 0x70bd29, 0x25dfdbfb, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x6}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x1}]}, 0x34}, 0x1, 0x0, 0x0, 0x4000}, 0x4000004) 12:26:37 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r1) sendmsg$NBD_CMD_DISCONNECT(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000000)=ANY=[@ANYBLOB='l\x00\x00\x00', @ANYRES16=r2, @ANYRES32, @ANYBLOB="0800014036ece3"], 0x6c}}, 0x0) 12:26:37 executing program 3: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, 0xffffffffffffffff) ioctl$VFIO_IOMMU_MAP_DMA(0xffffffffffffffff, 0x3b71, &(0x7f0000000100)={0x20, 0x0, &(0x7f0000000040)="04e126f59487646f102f9ba734a58a8e06a0fe22c2635722f199cc22b8e79707498df79d70a7f6c4150da759bcffdc88fb556579cbda4b4b97214adea2a654f11d991f0a52a17cd7c9739d20e7c901014d2ec60bcd5f9191eb9f2551aac0cf245ed334c6aa168d806ae979cce67de3d96a08dd1bc6566ea014e5aaf5275bba68adca2cfecb2f3ca33bc30fd13750931e7a88f9b388ce28b61b50bd1c3b6787005f55c779e865dffd2698d76694c89db554c81038f859bd120747a1577583", 0x6}) r1 = openat$vfio(0xffffffffffffff9c, &(0x7f0000000140), 0x4080, 0x0) ioctl$VFIO_CHECK_EXTENSION(r1, 0x3b65, 0x2) [ 357.955673] nbd: must specify an index to disconnect [ 357.962294] nbd: couldn't find device at index -1 12:26:37 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async, rerun: 64) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async, rerun: 64) getegid() r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) r4 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r2) getgid() (async) sendmsg$NBD_CMD_DISCONNECT(r3, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000080)={0x14, r4, 0x1}, 0x14}, 0x1, 0x0, 0x0, 0x40000c5}, 0x0) (async) sendmsg$NBD_CMD_STATUS(r1, &(0x7f0000000180)={&(0x7f0000000080)={0x10, 0x0, 0x0, 0x10020}, 0xc, &(0x7f0000000100)={&(0x7f00000000c0)={0x24, r4, 0x20, 0x70bd25, 0x25dfdbfe, {}, [@NBD_ATTR_BACKEND_IDENTIFIER={0x8, 0xa, 'nbd\x00'}, @NBD_ATTR_BACKEND_IDENTIFIER={0x8, 0xa, 'nbd\x00'}]}, 0x24}, 0x1, 0x0, 0x0, 0x40000}, 0x200000c0) (async) r5 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r1) sendmsg$NBD_CMD_DISCONNECT(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000000)={&(0x7f00000004c0)=ANY=[@ANYBLOB='l\x00\x00\x00', @ANYRES16=r5, @ANYBLOB="01002dbd5001fddbdf25020000000c00030001000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB], 0x6c}, 0x1, 0x0, 0x0, 0x80}, 0x0) (async, rerun: 64) r6 = syz_genetlink_get_family_id$batadv(&(0x7f0000000200), 0xffffffffffffffff) (async, rerun: 64) getpeername$packet(0xffffffffffffffff, &(0x7f0000000300)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @multicast}, &(0x7f0000000340)=0x14) sendmsg$BATADV_CMD_GET_DAT_CACHE(0xffffffffffffffff, &(0x7f00000002c0)={&(0x7f00000001c0)={0x10, 0x0, 0x0, 0x200000}, 0xc, &(0x7f0000000280)={&(0x7f0000000380)={0x28, r6, 0x800, 0x70bd25, 0x25dfdbfc, {}, [@BATADV_ATTR_ORIG_ADDRESS={0xa, 0x9, @remote}, @BATADV_ATTR_HARD_IFINDEX={0x8, 0x6, r7}]}, 0x28}, 0x1, 0x0, 0x0, 0x20000810}, 0x41) 12:26:37 executing program 4: r0 = openat$vcsa(0xffffffffffffff9c, &(0x7f0000000040), 0x121000, 0x0) r1 = getuid() r2 = getgid() r3 = getpid() sched_getparam(r3, &(0x7f00000006c0)) r4 = socket$nl_generic(0x10, 0x3, 0x10) r5 = getpid() sched_getparam(r5, &(0x7f00000006c0)) r6 = geteuid() r7 = bpf$MAP_CREATE(0x0, &(0x7f00000011c0)=@base={0x3, 0x40, 0x0, 0x7, 0x916, 0xffffffffffffffff, 0xd783, '\x00', 0x0, 0xffffffffffffffff, 0x1, 0x5, 0x1}, 0x48) r8 = socket$netlink(0x10, 0x3, 0x7) sendmsg$TIPC_CMD_SET_NETID(r8, &(0x7f0000000d80)={0x0, 0x0, &(0x7f0000000d40)={&(0x7f0000000d00)={0x24, 0x0, 0x0, 0x0, 0x0, {{}, {}, {0x8}}}, 0x24}}, 0x0) r9 = socket$netlink(0x10, 0x3, 0x7) sendmsg$TIPC_CMD_SET_NETID(r9, &(0x7f0000000d80)={0x0, 0x0, &(0x7f0000000d40)={&(0x7f0000000d00)={0x24, 0x0, 0x0, 0x0, 0x0, {{}, {}, {0x8}}}, 0x24}}, 0x0) r10 = socket$netlink(0x10, 0x3, 0x7) sendmsg$TIPC_CMD_SET_NETID(r10, &(0x7f0000000d80)={0x0, 0x0, &(0x7f0000000d40)={&(0x7f0000000d00)={0x24, 0x0, 0x0, 0x0, 0x0, {{}, {}, {0x8}}}, 0x24}}, 0x0) r11 = socket$netlink(0x10, 0x3, 0x7) sendmsg$TIPC_CMD_SET_NETID(r11, &(0x7f0000000d80)={0x0, 0x0, &(0x7f0000000d40)={&(0x7f0000000d00)={0x24, 0x0, 0x0, 0x0, 0x0, {{}, {}, {0x8}}}, 0x24}}, 0x0) r12 = socket$netlink(0x10, 0x3, 0x7) sendmsg$TIPC_CMD_SET_NETID(r12, &(0x7f0000000d80)={0x0, 0x0, &(0x7f0000000d40)={&(0x7f0000000d00)={0x24, 0x0, 0x0, 0x0, 0x0, {{}, {}, {0x8}}}, 0x24}}, 0x0) r13 = socket$netlink(0x10, 0x3, 0x7) sendmsg$TIPC_CMD_SET_NETID(r13, &(0x7f0000000d80)={0x0, 0x0, &(0x7f0000000d40)={&(0x7f0000000d00)={0x24, 0x0, 0x0, 0x0, 0x0, {{}, {}, {0x8}}}, 0x24}}, 0x0) r14 = socket$netlink(0x10, 0x3, 0x7) sendmsg$TIPC_CMD_SET_NETID(r14, &(0x7f0000000d80)={0x0, 0x0, &(0x7f0000000d40)={&(0x7f0000000d00)={0x24, 0x0, 0x0, 0x0, 0x0, {{}, {}, {0x8}}}, 0x24}}, 0x0) ioctl$VIDIOC_QUERYBUF_DMABUF(0xffffffffffffffff, 0xc0585609, &(0x7f0000001240)={0x8, 0x4, 0x4, 0x40, 0x33b62982, {0x77359400}, {0x2, 0xc, 0x2b, 0x4, 0x1, 0x6, "fabf5749"}, 0xb6, 0x4, {0xffffffffffffffff}, 0x1f}) sendmsg$unix(r0, &(0x7f0000001440)={&(0x7f0000000080)=@file={0x0, './file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa'}, 0x6e, &(0x7f0000001180)=[{&(0x7f0000000100)="62823226094c5464d5634b28520b5953ad0f89aafa0373b58660ca3e227974a6d9161432776e3e4c32045cccf8d7f02d92881ace85965b42427674c0b7d3d49dae669aeefcd61f485232b138fb71fd03feeb4c8476f9446b43985642c3be43dd342eea18cef185", 0x67}, {&(0x7f0000000180)="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", 0x1000}], 0x2, &(0x7f00000012c0)=[@cred={{0x1c, 0x1, 0x2, {0xffffffffffffffff, r1}}}, @cred={{0x1c, 0x1, 0x2, {0x0, 0xffffffffffffffff, r2}}}, @cred={{0x1c, 0x1, 0x2, {r3, 0xee00, 0xee01}}}, @rights={{0x14, 0x1, 0x1, [0xffffffffffffffff]}}, @rights={{0x14, 0x1, 0x1, [r4]}}, @cred={{0x1c, 0x1, 0x2, {r5, r6, 0xee01}}}, @rights={{0x24, 0x1, 0x1, [r7, 0xffffffffffffffff, r8, 0xffffffffffffffff, r9]}}, @cred={{0x1c, 0x1, 0x2, {0xffffffffffffffff, 0x0, 0xee00}}}, @rights={{0x34, 0x1, 0x1, [r10, 0xffffffffffffffff, r11, r12, 0xffffffffffffffff, 0xffffffffffffffff, r13, r14, r15]}}, @cred={{0x1c, 0x1, 0x2, {0x0, 0xee01, 0xffffffffffffffff}}}], 0x150, 0x80}, 0x20040815) syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x40b01) 12:26:37 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r1) sendmsg$NBD_CMD_DISCONNECT(r0, &(0x7f0000000140)={0x0, 0x0, 0x0}, 0x0) 12:26:37 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r1) sendmsg$NBD_CMD_DISCONNECT(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f00000004c0)=ANY=[@ANYBLOB='l\x00\x00\x00', @ANYRES16=r2, @ANYBLOB="01002dbd7000fddbdf25020000000c00030001000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB], 0x6c}}, 0x0) r3 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r1) sendmsg$NBD_CMD_DISCONNECT(r0, &(0x7f00000001c0)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x80000}, 0xc, &(0x7f0000000180)={&(0x7f00000000c0)={0x34, r3, 0x1, 0x70bd29, 0x25dfdbfb, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x6}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x1}]}, 0x34}, 0x1, 0x0, 0x0, 0x4000}, 0x4000004) [ 358.000718] nbd: couldn't find device at index -1 12:26:37 executing program 3: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) geteuid() syz_open_dev$vivid(&(0x7f0000000040), 0x1, 0x2) ioctl$NBD_SET_SOCK(r0, 0xab00, 0xffffffffffffffff) 12:26:37 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r1) sendmsg$NBD_CMD_DISCONNECT(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000000)=ANY=[@ANYBLOB='l\x00\x00\x00', @ANYRES16=r2, @ANYRES32, @ANYBLOB="0800014036ece3"], 0x6c}}, 0x0) 12:26:37 executing program 4: r0 = openat$vcsa(0xffffffffffffff9c, &(0x7f0000000040), 0x121000, 0x0) (async) r1 = getuid() (async, rerun: 64) r2 = getgid() (async, rerun: 64) r3 = getpid() sched_getparam(r3, &(0x7f00000006c0)) r4 = socket$nl_generic(0x10, 0x3, 0x10) r5 = getpid() sched_getparam(r5, &(0x7f00000006c0)) r6 = geteuid() (async, rerun: 64) r7 = bpf$MAP_CREATE(0x0, &(0x7f00000011c0)=@base={0x3, 0x40, 0x0, 0x7, 0x916, 0xffffffffffffffff, 0xd783, '\x00', 0x0, 0xffffffffffffffff, 0x1, 0x5, 0x1}, 0x48) (rerun: 64) r8 = socket$netlink(0x10, 0x3, 0x7) sendmsg$TIPC_CMD_SET_NETID(r8, &(0x7f0000000d80)={0x0, 0x0, &(0x7f0000000d40)={&(0x7f0000000d00)={0x24, 0x0, 0x0, 0x0, 0x0, {{}, {}, {0x8}}}, 0x24}}, 0x0) (async) r9 = socket$netlink(0x10, 0x3, 0x7) sendmsg$TIPC_CMD_SET_NETID(r9, &(0x7f0000000d80)={0x0, 0x0, &(0x7f0000000d40)={&(0x7f0000000d00)={0x24, 0x0, 0x0, 0x0, 0x0, {{}, {}, {0x8}}}, 0x24}}, 0x0) (async) r10 = socket$netlink(0x10, 0x3, 0x7) sendmsg$TIPC_CMD_SET_NETID(r10, &(0x7f0000000d80)={0x0, 0x0, &(0x7f0000000d40)={&(0x7f0000000d00)={0x24, 0x0, 0x0, 0x0, 0x0, {{}, {}, {0x8}}}, 0x24}}, 0x0) r11 = socket$netlink(0x10, 0x3, 0x7) sendmsg$TIPC_CMD_SET_NETID(r11, &(0x7f0000000d80)={0x0, 0x0, &(0x7f0000000d40)={&(0x7f0000000d00)={0x24, 0x0, 0x0, 0x0, 0x0, {{}, {}, {0x8}}}, 0x24}}, 0x0) (async, rerun: 64) r12 = socket$netlink(0x10, 0x3, 0x7) (rerun: 64) sendmsg$TIPC_CMD_SET_NETID(r12, &(0x7f0000000d80)={0x0, 0x0, &(0x7f0000000d40)={&(0x7f0000000d00)={0x24, 0x0, 0x0, 0x0, 0x0, {{}, {}, {0x8}}}, 0x24}}, 0x0) (async) r13 = socket$netlink(0x10, 0x3, 0x7) sendmsg$TIPC_CMD_SET_NETID(r13, &(0x7f0000000d80)={0x0, 0x0, &(0x7f0000000d40)={&(0x7f0000000d00)={0x24, 0x0, 0x0, 0x0, 0x0, {{}, {}, {0x8}}}, 0x24}}, 0x0) r14 = socket$netlink(0x10, 0x3, 0x7) sendmsg$TIPC_CMD_SET_NETID(r14, &(0x7f0000000d80)={0x0, 0x0, &(0x7f0000000d40)={&(0x7f0000000d00)={0x24, 0x0, 0x0, 0x0, 0x0, {{}, {}, {0x8}}}, 0x24}}, 0x0) (async) ioctl$VIDIOC_QUERYBUF_DMABUF(0xffffffffffffffff, 0xc0585609, &(0x7f0000001240)={0x8, 0x4, 0x4, 0x40, 0x33b62982, {0x77359400}, {0x2, 0xc, 0x2b, 0x4, 0x1, 0x6, "fabf5749"}, 0xb6, 0x4, {0xffffffffffffffff}, 0x1f}) sendmsg$unix(r0, &(0x7f0000001440)={&(0x7f0000000080)=@file={0x0, './file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa'}, 0x6e, &(0x7f0000001180)=[{&(0x7f0000000100)="62823226094c5464d5634b28520b5953ad0f89aafa0373b58660ca3e227974a6d9161432776e3e4c32045cccf8d7f02d92881ace85965b42427674c0b7d3d49dae669aeefcd61f485232b138fb71fd03feeb4c8476f9446b43985642c3be43dd342eea18cef185", 0x67}, {&(0x7f0000000180)="ce56d33a8d147f44e14619049c0e56b935796d1224d3aff24166010c9fb35b873a194d483972108cd4a605f8a75459b2d4d37dd65965208d12996c12860492adf9a98c8bcdf5d8f52cd1969e1433c4aef1bd20c51a8107818ac7cafb77f33e092acb9a5a3ceabbf3f8785885fb35ce56ad9e99136c4a3dfafc5087aa739d35aa39612263e6f65876de7d7fd88f193c8818700f8ce91946a84537a55fcb9355d4562851bed95b611b272236e6c41c09d52ef90ce0581a40b3e4213dafb741602bca13df5956aec69f12131a941a497423fd91e0c490ef87196a19d96d96948b6439927f71bea4fb429f35a02f5f185310b2bbbd3c29defb304670a321974b39838c50571c4417632902a700ea0a5891d1aebb13d67df449973ba243669507dac83bd86e89bc3b151c4f592844b46c7ecd1e3ab1c9c91a8650acfd21af513da5edc7a68b476a659dea3c43473f179fd80825ba11f2088078a13fd00c44974f49ae81618242efc05b95c8ae012cad15bb6a9e17854c7503daf1ab9cc3efa05c16107fc5023a5b4c2d5f876441a49749ea06892b010d3b3530420bd532bc3e83be560b35396d17184d5f7b1fc2129b374b876113e7b86050b3bb590dd7b28295317986315217a1d928f13bdf3f5eb185c32a901dd002f8c7a5f5733d5c247b28121277e63ad19f0436d337d11a554ec375f04d301af5d920262d69a981f494347b9f3804c71690d6ee85db407416d61dab04c1afc9cbc31e2d785c79163e363d5dee9da6920304107c6466c0389fa9d77d4f88f2ab43276ba2af0b4b2f488c069e2f051aabaecdc806d2d422f7651a94d6fc308b64cf249f9387020a34cd332b05a65ef8f49f0687c55ae758d5a852ee087e28ef74a6159eb29cfbcabaa0e0089cf683eb5fbebe868faf97b0946a44fa0eeae3fd9b5b9f7cd940f9f376c7a82af6e3b015b7ce02132b5c13a27346f00332b0142cfb53ee1e99d827451a3905da407652fb6d24a31b43ab33b293d2e751ebde182045bf61dfd32541c28ab2fbe630fd8cb381b7f9513d8473f216ec3db8b02a83877223ebe6ad7c0bdd31e6e8a398cb189eeff4503b3b4d509f8f46109e09aa9944e51f30d089d2a718f02b5736497617a008207a89be3f8b760d3087aa615b807e6b22f28b29e77e3f2ece34343cb7e2076469e722ad42e4ab7b8f60e01751ebc356d48dc9f94c4377448eb15318634c87a8a9e687c8952f02f53f25c5fcb46272cf7293501f01fc2bbf6ab02cb64457977831e22abb02f5230e6e0d5ed6bb3035b529d944d63bacb95fe6a8eae7d6916f4406c03d66158341328e6781331c9dc108bf4f7ab56a2d20e60b9539b2b411966eea144ab462862872c84fc145df8dd748e2277e0cee47f7a2342ffe616ba41a5aa00b8f3f5a89836722fbe5ecba288dc1bdec29944959a5af556ffc0ebc60bdf48a3c3845289bcdefcc1d342bf9de00574f4404f6955b275212dc421890dceb5b86f958c1c4b1e676a1b11b61da94e8a301e81f7e317de89a89589abdd941ba4f0a27295f60b998957d92a92489e7fcfc3e8a0e5016ec669f10c4dc7f5056b2d9e7aa7b4fd48db78d1bab5c57da1216536bc81300240f45402b7d83b3995af575d38210b585c234ca68422d7b3e3702daa09c85dac64e256b9b75ac8edcd5dbe483f1df17aa5ea41f797a7fe61761f63e68a554c46920b80e66b96d28921592600e4715d49cc302c938f99eb8daa3863d8489c7e6af2d41c852d1ecb7c9cbed960668b72da49edc62e72e3de845684076fa1de5cf384e004a104cf2c89ccfe05cc4d01886a8ebccec9f58a2ac23e85b10e3a9d6116c6eb606f5a75eaa7df54b25fa6a87af2a47effa3a64c82130b021abbd66cd7e03873c997288e118ed8d169f9d5225a3f22494d4d84109c44060b4de3bf1d5a56a3eea7f7d202b743d28d6f04d79c55ba1b67cadb0aece8619953bd209b7344df6ec7de2e552f4d36f7b1b36cdf486538c9a1c75c8d6dede3417c518685facf733c5f003fe9c7ee45e469b6cc2c24ac7bf72c9b5cc7b8dfd799f2cb0714deb2c5a21a332d0cd93e2329f099f24f06deaf46b15f7342bb5218b04e505f45e6616d1c7826d7965b0e20f721bb71faf45c9dcd33bafd6b0a7a7e8fe80176f4a3ff3d95efdc20bd1161379b4ac46373784fb5279808eb291800f665ed79fab3f8582b3c8d2d782d80b56beba5746252d5d399795e07e56b6ec3d38553d2e4d787775f622ea232938c633c54b0bc2b74ca5270786ee5e9558759b417b4fd38cc6e66ffd97d3e944d450c524fd553f1b7437fd41372db79cb24c24523e80263451705bb7c9088f89f2c65e6204f1c2cb6278f9ffdd631e9300b4ce67571e1c1eed73b7d17435a6ce6294b720ee67d03f91be0db0cc5a6d95a8c108cc5a43daf6d01360b42611da79a8fbdd542c78135bec9cbfb911afbfde2d246df448f2756738f191f939ac4175b7df4f7b817ab9880414ebd80692eaafa6e1ee19114dbc53a4890b17013fd625823f837dc3e204094f62e9527d7d773d8ab72d7570f215ec8cfced1b0b88e7481fba1325f9bfe6e6c0142245b6920ad12190e5f944f7dbcfec140d66d85d3250426eb50826ec439704a61c13d284d15167210b9b05c205df9c1cde7608d1feab8821116b21d713a4a44d8e5ac9847242e68174ae800e38e8f185a46bf73e235efb5dca1a9e637b90bc009ba3a6c343f35114f70f84b0ae2898e17c803b76d5a77518a25c7df7bb6e449066db65490de7d727d418d4cda2c21537284b9b4bd88ec01cff31a34b9054bb2cb41731d3c288482f147290fe82ca8f3a92ac36f49412d30093e8107fc06aee8b7d2c16af7518539613674199e21835fc47b1c90991872e8b3f35b57d0f7e9e6c497ee1b60b52b280b922a9745351f47bbc0bf6b04e44d06deacc7f1017065a76f0593103bc12fe4046170afeb3454dd7e5eac8230b708103a05815fb178a14b5f0e0a18833e3f7e956b3893e5b8ed6f87f7a11958fa2677b9bbf484cfa3c63976f58f79783902c97877043c183522a2700572da1064b4d3c402e05c63466452a1c394c7694d94a38962057ccb0f40831f7bd8dcaed7bb985d9421b4667fbcdc0e9026e9a0b2e1c105a1eab51848255b38efdaf4f8de2389c4cd26d13e816f91278607952e88adbe56f3db1c980e2c517e37d20c05db44fa692196352c9e54388396f0f558895c6a268eb072c9eaddea55df161bc7dd8ac0bb602cf12d974d742ad140b379f3948375799789074df92ff206f90bb30b44e8fd4e59bbdcf40edb435cebbb58e7b693d6132bff47850f7ec702905737874f14dbcc791c387b75939afeb7cb2d2b251701db2a5d14fbc1420cdf11f78adb6227a6719958d47abf1c04afdf788d21a5a95f00bb25e38863851b37ae0dedfa24b3fbd812f29a844664c6cb6e9387327dc33368426e196207a5291f5977ec6d6470041bc0c9b64b59a2445ca425e1b549cc521df0420250417ac36f1d36d45944f2e7b7bf6bef528cfe40e588221917463ac4acce1a6fcd99c9d7e709e9cb0e3e8a5ff0da12c593ce360ba8a4163b4aec846b616ca117b62c6bf0975e6e5fcfdae69fee5e3c39be23e4481c23b6fa4540081248bcf72d4eeabff8e485fe3c65f554868fae509e42f0c46165243524478e4620164e31d875e7a80606bc250c7627bfd2571b17f5f66dc741887d87b8bcc0b05b5fe6074dcbcb4a1ea78f50d39013d90a5d330b450ed285d9eafa82bcb6036dc9d108de9df3b27adcb40ae45cda28744626f1bca6593fd28aae57d9df0dee39156c77fe26ff51b4c3634d9f4a8f42b7c8b4b803e6babd66a33327dcb62bec09db3cbfa682a3aad199e575fd20183cf3785692bff5d899c86042d8857fd712cd79ebf3c79111f4fd03b3bf9886cdfb1a3db5093150c4204b8d7cae73275fb1c7ec557da5120626edb1e47542edf6e34a288d15c320d4922afc2780ff214190e0887aa376745f096cc423111c851ddf04c54919fb788ce012460079a486ea145c48519c365eba947f0c43712a007931f767c65b7ad02cbe7b4f070c14be58e04e3e82d9e4f2c3d0c39667a44555338d7c10784103ae8b3fe61b5f5af94468238952a1d64a494e2ec49cd2e6bd9df19ef0bc138cd5d2acdf05c7c86f63dc136e0e9762164931a5c7f6e52b058f612e22ba058e88b079ac82ecb37b2e7aca7f964492e311ccffa80cca45c52ab2b81843927b7495842131bfaf81796df31ec5b19c04337c8648596db5001e40c68f948b0e958cee8e4be786bbc8724736cb04912e72802312936869595ae6e49ae09bdfb5e3ad1f33e07ba86b3a561a670837c3355818df2823625f559a095e5558663478a837d692c8f15d4a424c453a33db58a3b1936379b91256c7f95fea34b2c564745d226461da1cf0a017a069ac64fd0d9d68c4677330fc88bf029d656be4893f803c9cbf039326a828efba1e9e8aa53bafb4dd6f6e42894b38da914d976f39ccaa0900f2749d4a129039b1081af51c47bf16fa55555bba44d50c83fd6be9f3d33055a28a1c3f9f6d197f52b2be3c21de7e19fb95c67c34e6919442cc021ade48a0a1c5ee66cbd23de6a53057d768bb761d6384533387e3bc9c639c6dcadd3739f7c2f5e022df783bf85357f82fd46ddda07b1d8b057dadac4a2f160191b61dbc59e32a8419cd40cf1c8c82b39ab6dca5bae2935391e79b5d4250a0433a7f453b4b8bfad8c500cd3acf98729ece3c7b23ae649c0f77a4bdfe610e01e4dc082ee59658bac4b43dd95dd434a7d31194648d50c9dac78677f0faa2949cf347a34837262a8e978847c32784e6939c86ad7569c7fad0033362ac836c4bf0d6a3bc59aa00e8dec8d7fb329b81394445c4817396150ba547513f21b91ee3aaeb18843713af85627535821a3593dc08a8abc4da3211c33f978cd01052f381239817f1c9adeee65aff3451ac2af1e0ff4c107a4e57ab52880037a4fa96dab99bede5d8f7bc3230e06a25d056e97464c30039de3b35c159d94f21c8a76f111358d7594df727e32f03cdf4b2008a5fc55d90dc015c624f3d04e783b1ca1b04d1a7357bb30a6f113f882774d3a73adecbcea351f020d13f7f0871212e6e723adde9392e62c789c93b432a4b6f2b79c6d34538bfd0995d68168bcd681ca722b8bb1942b3bd741a70fde91eb7f2106c34f8aef3fb8f768d8f4f09a6bafa9728b18e44e8f4ecd1fe020fd172dc24bff6d5b8912b0a8f04fd6b944c4881fa41fa94e12388f889f5e7e3476007116e2fd1c0bf4d57500581d47c73ecd5a6321ad9483141648d25045a6eae82332aa3883942bdafb222bd2d6952bc55c941cd9cd4f5933e86ab5a46f860ac54fc9d71b78ac09bc1b6e30210b6d33c9645c5e0253be608523eea3da16b9b73e3f58eb135c0ee63c617137b1c7541dec4da3a29a8a22ea2915fabba5a0d14152b6bb355ffb0c045298eae373917c2a592bbaf5880439e7b298980992a1894356f2b50995a56c592c6090d8c406804d6b65897f90b7598ecd4e6fecd9ce34082aa959ab8ebb3bf3b7eb3f990533f0d04518af6434f62cce54bd96330cab2097a17deb7883556c1242d132560108052ae0f59279a2310f4d79d6d2329749b56166900866b48262f4cb4352d6d1746b1ce0ef67f1268d2765da294faa83cb80efb0b752d79599fbfdbcdc802029ecc454eb1b595d736f4853384536e8c673e5231853db474692e1e39e903081ee05bf405e3a62bcf2ad66e7b76da3b2a15c03c35a1c", 0x1000}], 0x2, &(0x7f00000012c0)=[@cred={{0x1c, 0x1, 0x2, {0xffffffffffffffff, r1}}}, @cred={{0x1c, 0x1, 0x2, {0x0, 0xffffffffffffffff, r2}}}, @cred={{0x1c, 0x1, 0x2, {r3, 0xee00, 0xee01}}}, @rights={{0x14, 0x1, 0x1, [0xffffffffffffffff]}}, @rights={{0x14, 0x1, 0x1, [r4]}}, @cred={{0x1c, 0x1, 0x2, {r5, r6, 0xee01}}}, @rights={{0x24, 0x1, 0x1, [r7, 0xffffffffffffffff, r8, 0xffffffffffffffff, r9]}}, @cred={{0x1c, 0x1, 0x2, {0xffffffffffffffff, 0x0, 0xee00}}}, @rights={{0x34, 0x1, 0x1, [r10, 0xffffffffffffffff, r11, r12, 0xffffffffffffffff, 0xffffffffffffffff, r13, r14, r15]}}, @cred={{0x1c, 0x1, 0x2, {0x0, 0xee01, 0xffffffffffffffff}}}], 0x150, 0x80}, 0x20040815) (async) syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x40b01) 12:26:37 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r1) sendmsg$NBD_CMD_DISCONNECT(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={0x0, 0x6c}}, 0x0) [ 358.106423] nbd: couldn't find device at index -1 12:26:37 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r1) sendmsg$NBD_CMD_DISCONNECT(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000000)=ANY=[@ANYBLOB='l\x00\x00\x00', @ANYRES16=r2, @ANYBLOB, @ANYRES32, @ANYBLOB="0800014036ece3"], 0x6c}}, 0x0) 12:26:37 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r1) sendmsg$NBD_CMD_DISCONNECT(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f00000004c0)=ANY=[@ANYBLOB='l\x00\x00\x00', @ANYRES16=r2, @ANYBLOB="01002dbd7000fddbdf25020000000c00030001000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB], 0x6c}}, 0x0) sendmsg$NBD_CMD_DISCONNECT(r0, &(0x7f00000001c0)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x80000}, 0xc, &(0x7f0000000180)={&(0x7f00000000c0)={0x34, 0x0, 0x1, 0x70bd29, 0x25dfdbfb, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x6}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x1}]}, 0x34}, 0x1, 0x0, 0x0, 0x4000}, 0x4000004) 12:26:37 executing program 3: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) geteuid() syz_open_dev$vivid(&(0x7f0000000040), 0x1, 0x2) ioctl$NBD_SET_SOCK(r0, 0xab00, 0xffffffffffffffff) syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) (async) geteuid() (async) syz_open_dev$vivid(&(0x7f0000000040), 0x1, 0x2) (async) ioctl$NBD_SET_SOCK(r0, 0xab00, 0xffffffffffffffff) (async) 12:26:37 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r1) sendmsg$NBD_CMD_DISCONNECT(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={0x0, 0x6c}}, 0x0) 12:26:37 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NL802154_CMD_DEL_SEC_DEVKEY(r0, &(0x7f0000000300)={&(0x7f0000000240)={0x10, 0x0, 0x0, 0x8000000}, 0xc, &(0x7f00000002c0)={&(0x7f0000000280)={0x28, 0x0, 0x2, 0x70bd26, 0x25dfdbff, {}, [@NL802154_ATTR_IFINDEX={0x8}, @NL802154_ATTR_WPAN_DEV={0xc, 0x6, 0x300000003}]}, 0x28}, 0x1, 0x0, 0x0, 0x8080}, 0x4) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r1) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NL802154_CMD_SET_CCA_ED_LEVEL(r2, &(0x7f0000000b40)={&(0x7f0000000a80), 0xc, &(0x7f0000000b00)={&(0x7f0000000ac0)={0x14, 0x0, 0x1}, 0x14}}, 0x0) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r4 = syz_genetlink_get_family_id$nl802154(&(0x7f00000013c0), 0xffffffffffffffff) sendmsg$NL802154_CMD_SET_CCA_MODE(r3, &(0x7f0000001500)={&(0x7f0000001380), 0xc, &(0x7f00000014c0)={&(0x7f0000001440)={0x24, r4, 0x1, 0x0, 0x0, {}, [@NL802154_ATTR_CCA_MODE={0x8}, @NL802154_ATTR_IFINDEX={0x8}]}, 0x24}}, 0x0) sendmsg$NL802154_CMD_DEL_SEC_LEVEL(r2, &(0x7f00000000c0)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x400}, 0xc, &(0x7f0000000080)={&(0x7f0000000180)={0x90, r4, 0x2, 0x70bd29, 0x25dfdbfb, {}, [@NL802154_ATTR_WPAN_DEV={0xc, 0x6, 0x300000003}, @NL802154_ATTR_SEC_LEVEL={0x1c, 0x22, 0x0, 0x1, [@NL802154_SECLEVEL_ATTR_CMD_FRAME={0x8, 0x3, 0x4}, @NL802154_SECLEVEL_ATTR_FRAME={0x8, 0x2, 0x1}, @NL802154_SECLEVEL_ATTR_CMD_FRAME={0x8, 0x3, 0x7}]}, @NL802154_ATTR_WPAN_DEV={0xc}, @NL802154_ATTR_SEC_LEVEL={0x24, 0x22, 0x0, 0x1, [@NL802154_SECLEVEL_ATTR_LEVELS={0x5, 0x1, 0x1f}, @NL802154_SECLEVEL_ATTR_LEVELS={0x5, 0x1, 0x80}, @NL802154_SECLEVEL_ATTR_DEV_OVERRIDE={0x5}, @NL802154_SECLEVEL_ATTR_LEVELS={0x5, 0x1, 0x7}]}, @NL802154_ATTR_WPAN_DEV={0xc, 0x6, 0x300000003}, @NL802154_ATTR_WPAN_DEV={0xc, 0x6, 0x100000001}, @NL802154_ATTR_WPAN_DEV={0xc, 0x6, 0x100000001}]}, 0x90}, 0x1, 0x0, 0x0, 0x2000c800}, 0x8000) r5 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NL802154_CMD_SET_CCA_ED_LEVEL(r5, &(0x7f0000000b40)={&(0x7f0000000a80), 0xc, &(0x7f0000000b00)={&(0x7f0000000ac0)={0x14, 0x0, 0x1}, 0x14}}, 0x0) sendmsg$NBD_CMD_DISCONNECT(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f00000004c0)=ANY=[@ANYBLOB='l\x00\x00\x00', @ANYRES16=r5, @ANYBLOB="01002dbd7000fddbdf25020000000c00030001000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB], 0x6c}}, 0x4) 12:26:37 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r1) sendmsg$NBD_CMD_DISCONNECT(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000000)=ANY=[@ANYBLOB='l\x00\x00\x00', @ANYRES16=r2, @ANYBLOB, @ANYRES32, @ANYBLOB="0800014036ece3"], 0x6c}}, 0x0) 12:26:37 executing program 4: r0 = openat$vcsa(0xffffffffffffff9c, &(0x7f0000000040), 0x121000, 0x0) r1 = getuid() (async, rerun: 32) r2 = getgid() (rerun: 32) r3 = getpid() sched_getparam(r3, &(0x7f00000006c0)) r4 = socket$nl_generic(0x10, 0x3, 0x10) (async) r5 = getpid() sched_getparam(r5, &(0x7f00000006c0)) (async) r6 = geteuid() (async) r7 = bpf$MAP_CREATE(0x0, &(0x7f00000011c0)=@base={0x3, 0x40, 0x0, 0x7, 0x916, 0xffffffffffffffff, 0xd783, '\x00', 0x0, 0xffffffffffffffff, 0x1, 0x5, 0x1}, 0x48) (async) r8 = socket$netlink(0x10, 0x3, 0x7) sendmsg$TIPC_CMD_SET_NETID(r8, &(0x7f0000000d80)={0x0, 0x0, &(0x7f0000000d40)={&(0x7f0000000d00)={0x24, 0x0, 0x0, 0x0, 0x0, {{}, {}, {0x8}}}, 0x24}}, 0x0) r9 = socket$netlink(0x10, 0x3, 0x7) sendmsg$TIPC_CMD_SET_NETID(r9, &(0x7f0000000d80)={0x0, 0x0, &(0x7f0000000d40)={&(0x7f0000000d00)={0x24, 0x0, 0x0, 0x0, 0x0, {{}, {}, {0x8}}}, 0x24}}, 0x0) (async, rerun: 64) r10 = socket$netlink(0x10, 0x3, 0x7) (rerun: 64) sendmsg$TIPC_CMD_SET_NETID(r10, &(0x7f0000000d80)={0x0, 0x0, &(0x7f0000000d40)={&(0x7f0000000d00)={0x24, 0x0, 0x0, 0x0, 0x0, {{}, {}, {0x8}}}, 0x24}}, 0x0) (async) r11 = socket$netlink(0x10, 0x3, 0x7) sendmsg$TIPC_CMD_SET_NETID(r11, &(0x7f0000000d80)={0x0, 0x0, &(0x7f0000000d40)={&(0x7f0000000d00)={0x24, 0x0, 0x0, 0x0, 0x0, {{}, {}, {0x8}}}, 0x24}}, 0x0) (async) r12 = socket$netlink(0x10, 0x3, 0x7) sendmsg$TIPC_CMD_SET_NETID(r12, &(0x7f0000000d80)={0x0, 0x0, &(0x7f0000000d40)={&(0x7f0000000d00)={0x24, 0x0, 0x0, 0x0, 0x0, {{}, {}, {0x8}}}, 0x24}}, 0x0) (async, rerun: 32) r13 = socket$netlink(0x10, 0x3, 0x7) (rerun: 32) sendmsg$TIPC_CMD_SET_NETID(r13, &(0x7f0000000d80)={0x0, 0x0, &(0x7f0000000d40)={&(0x7f0000000d00)={0x24, 0x0, 0x0, 0x0, 0x0, {{}, {}, {0x8}}}, 0x24}}, 0x0) (async) r14 = socket$netlink(0x10, 0x3, 0x7) sendmsg$TIPC_CMD_SET_NETID(r14, &(0x7f0000000d80)={0x0, 0x0, &(0x7f0000000d40)={&(0x7f0000000d00)={0x24, 0x0, 0x0, 0x0, 0x0, {{}, {}, {0x8}}}, 0x24}}, 0x0) (async) ioctl$VIDIOC_QUERYBUF_DMABUF(0xffffffffffffffff, 0xc0585609, &(0x7f0000001240)={0x8, 0x4, 0x4, 0x40, 0x33b62982, {0x77359400}, {0x2, 0xc, 0x2b, 0x4, 0x1, 0x6, "fabf5749"}, 0xb6, 0x4, {0xffffffffffffffff}, 0x1f}) sendmsg$unix(r0, &(0x7f0000001440)={&(0x7f0000000080)=@file={0x0, './file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa'}, 0x6e, &(0x7f0000001180)=[{&(0x7f0000000100)="62823226094c5464d5634b28520b5953ad0f89aafa0373b58660ca3e227974a6d9161432776e3e4c32045cccf8d7f02d92881ace85965b42427674c0b7d3d49dae669aeefcd61f485232b138fb71fd03feeb4c8476f9446b43985642c3be43dd342eea18cef185", 0x67}, {&(0x7f0000000180)="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", 0x1000}], 0x2, &(0x7f00000012c0)=[@cred={{0x1c, 0x1, 0x2, {0xffffffffffffffff, r1}}}, @cred={{0x1c, 0x1, 0x2, {0x0, 0xffffffffffffffff, r2}}}, @cred={{0x1c, 0x1, 0x2, {r3, 0xee00, 0xee01}}}, @rights={{0x14, 0x1, 0x1, [0xffffffffffffffff]}}, @rights={{0x14, 0x1, 0x1, [r4]}}, @cred={{0x1c, 0x1, 0x2, {r5, r6, 0xee01}}}, @rights={{0x24, 0x1, 0x1, [r7, 0xffffffffffffffff, r8, 0xffffffffffffffff, r9]}}, @cred={{0x1c, 0x1, 0x2, {0xffffffffffffffff, 0x0, 0xee00}}}, @rights={{0x34, 0x1, 0x1, [r10, 0xffffffffffffffff, r11, r12, 0xffffffffffffffff, 0xffffffffffffffff, r13, r14, r15]}}, @cred={{0x1c, 0x1, 0x2, {0x0, 0xee01, 0xffffffffffffffff}}}], 0x150, 0x80}, 0x20040815) (async) syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x40b01) 12:26:37 executing program 3: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) geteuid() (async) syz_open_dev$vivid(&(0x7f0000000040), 0x1, 0x2) ioctl$NBD_SET_SOCK(r0, 0xab00, 0xffffffffffffffff) 12:26:37 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r1) sendmsg$NBD_CMD_DISCONNECT(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={0x0, 0x6c}}, 0x0) [ 358.254066] nbd: couldn't find device at index -1 12:26:37 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r1) sendmsg$NBD_CMD_DISCONNECT(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f00000004c0)=ANY=[@ANYBLOB='l\x00\x00\x00', @ANYRES16=r2, @ANYBLOB="01002dbd7000fddbdf25020000000c00030001000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB], 0x6c}}, 0x0) sendmsg$NBD_CMD_DISCONNECT(r0, &(0x7f00000001c0)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x80000}, 0xc, &(0x7f0000000180)={&(0x7f00000000c0)={0x34, 0x0, 0x1, 0x70bd29, 0x25dfdbfb, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x6}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x1}]}, 0x34}, 0x1, 0x0, 0x0, 0x4000}, 0x4000004) 12:26:37 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NL802154_CMD_DEL_SEC_DEVKEY(r0, &(0x7f0000000300)={&(0x7f0000000240)={0x10, 0x0, 0x0, 0x8000000}, 0xc, &(0x7f00000002c0)={&(0x7f0000000280)={0x28, 0x0, 0x2, 0x70bd26, 0x25dfdbff, {}, [@NL802154_ATTR_IFINDEX={0x8}, @NL802154_ATTR_WPAN_DEV={0xc, 0x6, 0x300000003}]}, 0x28}, 0x1, 0x0, 0x0, 0x8080}, 0x4) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r1) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NL802154_CMD_SET_CCA_ED_LEVEL(r2, &(0x7f0000000b40)={&(0x7f0000000a80), 0xc, &(0x7f0000000b00)={&(0x7f0000000ac0)={0x14, 0x0, 0x1}, 0x14}}, 0x0) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r4 = syz_genetlink_get_family_id$nl802154(&(0x7f00000013c0), 0xffffffffffffffff) sendmsg$NL802154_CMD_SET_CCA_MODE(r3, &(0x7f0000001500)={&(0x7f0000001380), 0xc, &(0x7f00000014c0)={&(0x7f0000001440)={0x24, r4, 0x1, 0x0, 0x0, {}, [@NL802154_ATTR_CCA_MODE={0x8}, @NL802154_ATTR_IFINDEX={0x8}]}, 0x24}}, 0x0) sendmsg$NL802154_CMD_DEL_SEC_LEVEL(r2, &(0x7f00000000c0)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x400}, 0xc, &(0x7f0000000080)={&(0x7f0000000180)={0x90, r4, 0x2, 0x70bd29, 0x25dfdbfb, {}, [@NL802154_ATTR_WPAN_DEV={0xc, 0x6, 0x300000003}, @NL802154_ATTR_SEC_LEVEL={0x1c, 0x22, 0x0, 0x1, [@NL802154_SECLEVEL_ATTR_CMD_FRAME={0x8, 0x3, 0x4}, @NL802154_SECLEVEL_ATTR_FRAME={0x8, 0x2, 0x1}, @NL802154_SECLEVEL_ATTR_CMD_FRAME={0x8, 0x3, 0x7}]}, @NL802154_ATTR_WPAN_DEV={0xc}, @NL802154_ATTR_SEC_LEVEL={0x24, 0x22, 0x0, 0x1, [@NL802154_SECLEVEL_ATTR_LEVELS={0x5, 0x1, 0x1f}, @NL802154_SECLEVEL_ATTR_LEVELS={0x5, 0x1, 0x80}, @NL802154_SECLEVEL_ATTR_DEV_OVERRIDE={0x5}, @NL802154_SECLEVEL_ATTR_LEVELS={0x5, 0x1, 0x7}]}, @NL802154_ATTR_WPAN_DEV={0xc, 0x6, 0x300000003}, @NL802154_ATTR_WPAN_DEV={0xc, 0x6, 0x100000001}, @NL802154_ATTR_WPAN_DEV={0xc, 0x6, 0x100000001}]}, 0x90}, 0x1, 0x0, 0x0, 0x2000c800}, 0x8000) r5 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NL802154_CMD_SET_CCA_ED_LEVEL(r5, &(0x7f0000000b40)={&(0x7f0000000a80), 0xc, &(0x7f0000000b00)={&(0x7f0000000ac0)={0x14, 0x0, 0x1}, 0x14}}, 0x0) sendmsg$NBD_CMD_DISCONNECT(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f00000004c0)=ANY=[@ANYBLOB='l\x00\x00\x00', @ANYRES16=r5, @ANYBLOB="01002dbd7000fddbdf25020000000c00030001000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB], 0x6c}}, 0x4) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) sendmsg$NL802154_CMD_DEL_SEC_DEVKEY(r0, &(0x7f0000000300)={&(0x7f0000000240)={0x10, 0x0, 0x0, 0x8000000}, 0xc, &(0x7f00000002c0)={&(0x7f0000000280)={0x28, 0x0, 0x2, 0x70bd26, 0x25dfdbff, {}, [@NL802154_ATTR_IFINDEX={0x8}, @NL802154_ATTR_WPAN_DEV={0xc, 0x6, 0x300000003}]}, 0x28}, 0x1, 0x0, 0x0, 0x8080}, 0x4) (async) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r1) (async) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) sendmsg$NL802154_CMD_SET_CCA_ED_LEVEL(r2, &(0x7f0000000b40)={&(0x7f0000000a80), 0xc, &(0x7f0000000b00)={&(0x7f0000000ac0)={0x14, 0x0, 0x1}, 0x14}}, 0x0) (async) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) syz_genetlink_get_family_id$nl802154(&(0x7f00000013c0), 0xffffffffffffffff) (async) sendmsg$NL802154_CMD_SET_CCA_MODE(r3, &(0x7f0000001500)={&(0x7f0000001380), 0xc, &(0x7f00000014c0)={&(0x7f0000001440)={0x24, r4, 0x1, 0x0, 0x0, {}, [@NL802154_ATTR_CCA_MODE={0x8}, @NL802154_ATTR_IFINDEX={0x8}]}, 0x24}}, 0x0) (async) sendmsg$NL802154_CMD_DEL_SEC_LEVEL(r2, &(0x7f00000000c0)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x400}, 0xc, &(0x7f0000000080)={&(0x7f0000000180)={0x90, r4, 0x2, 0x70bd29, 0x25dfdbfb, {}, [@NL802154_ATTR_WPAN_DEV={0xc, 0x6, 0x300000003}, @NL802154_ATTR_SEC_LEVEL={0x1c, 0x22, 0x0, 0x1, [@NL802154_SECLEVEL_ATTR_CMD_FRAME={0x8, 0x3, 0x4}, @NL802154_SECLEVEL_ATTR_FRAME={0x8, 0x2, 0x1}, @NL802154_SECLEVEL_ATTR_CMD_FRAME={0x8, 0x3, 0x7}]}, @NL802154_ATTR_WPAN_DEV={0xc}, @NL802154_ATTR_SEC_LEVEL={0x24, 0x22, 0x0, 0x1, [@NL802154_SECLEVEL_ATTR_LEVELS={0x5, 0x1, 0x1f}, @NL802154_SECLEVEL_ATTR_LEVELS={0x5, 0x1, 0x80}, @NL802154_SECLEVEL_ATTR_DEV_OVERRIDE={0x5}, @NL802154_SECLEVEL_ATTR_LEVELS={0x5, 0x1, 0x7}]}, @NL802154_ATTR_WPAN_DEV={0xc, 0x6, 0x300000003}, @NL802154_ATTR_WPAN_DEV={0xc, 0x6, 0x100000001}, @NL802154_ATTR_WPAN_DEV={0xc, 0x6, 0x100000001}]}, 0x90}, 0x1, 0x0, 0x0, 0x2000c800}, 0x8000) (async) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) sendmsg$NL802154_CMD_SET_CCA_ED_LEVEL(r5, &(0x7f0000000b40)={&(0x7f0000000a80), 0xc, &(0x7f0000000b00)={&(0x7f0000000ac0)={0x14, 0x0, 0x1}, 0x14}}, 0x0) (async) sendmsg$NBD_CMD_DISCONNECT(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f00000004c0)=ANY=[@ANYBLOB='l\x00\x00\x00', @ANYRES16=r5, @ANYBLOB="01002dbd7000fddbdf25020000000c00030001000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB], 0x6c}}, 0x4) (async) 12:26:37 executing program 3: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x84242) ioctl$NBD_SET_SOCK(r0, 0xab00, 0xffffffffffffffff) r1 = socket$netlink(0x10, 0x3, 0x14) sendmsg$BATADV_CMD_SET_MESH(r1, &(0x7f0000000100)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x40000000}, 0xc, &(0x7f00000000c0)={&(0x7f0000000080)={0x24, 0x0, 0x800, 0x70bd2b, 0x25dfdbfb, {}, [@BATADV_ATTR_MULTICAST_FORCEFLOOD_ENABLED={0x5}, @BATADV_ATTR_ELP_INTERVAL={0x8, 0x3a, 0xa48}]}, 0x24}, 0x1, 0x0, 0x0, 0x20000054}, 0x20080044) socket$nl_route(0x10, 0x3, 0x0) 12:26:37 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r1) sendmsg$NBD_CMD_DISCONNECT(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000000)=ANY=[@ANYBLOB='l\x00\x00\x00', @ANYRES16=r2, @ANYBLOB, @ANYRES32, @ANYBLOB="0800014036ece3"], 0x6c}}, 0x0) 12:26:37 executing program 4: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x40b01) sendto$unix(0xffffffffffffffff, &(0x7f0000000040)="c91ab0ffaf75bcf0129783a9983d2c82116ab047745dd3f1b34cf28a7a9f1fa2ad6add365b9dcc2177cb6a03f1ae10a6e873fd3f131b9e7093f20368b712765b7ff8b7fcb5209684994436b01564ae98d5ff6ccecfe7e0e60b5151cd5ca0761a27bcfc009f9c49ffee12067a232338", 0x6f, 0x10, 0x0, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, 0xffffffffffffffff) [ 358.366352] nbd: couldn't find device at index -1 12:26:38 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r1) sendmsg$NBD_CMD_DISCONNECT(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f00000004c0)=ANY=[@ANYBLOB='l\x00\x00\x00', @ANYRES16=r2, @ANYBLOB="01002dbd7000fddbdf25020000000c00030001000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB], 0x6c}}, 0x0) sendmsg$NBD_CMD_DISCONNECT(r0, &(0x7f00000001c0)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x80000}, 0xc, &(0x7f0000000180)={&(0x7f00000000c0)={0x34, 0x0, 0x1, 0x70bd29, 0x25dfdbfb, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x6}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x1}]}, 0x34}, 0x1, 0x0, 0x0, 0x4000}, 0x4000004) 12:26:38 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r1) sendmsg$NBD_CMD_DISCONNECT(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f00000004c0)=ANY=[@ANYBLOB="10000000", @ANYRES16=r2, @ANYBLOB="01002dbd7000fddbdf25020000000c00030001000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32], 0x6c}}, 0x0) 12:26:38 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NL802154_CMD_DEL_SEC_DEVKEY(r0, &(0x7f0000000300)={&(0x7f0000000240)={0x10, 0x0, 0x0, 0x8000000}, 0xc, &(0x7f00000002c0)={&(0x7f0000000280)={0x28, 0x0, 0x2, 0x70bd26, 0x25dfdbff, {}, [@NL802154_ATTR_IFINDEX={0x8}, @NL802154_ATTR_WPAN_DEV={0xc, 0x6, 0x300000003}]}, 0x28}, 0x1, 0x0, 0x0, 0x8080}, 0x4) (async) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r1) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NL802154_CMD_SET_CCA_ED_LEVEL(r2, &(0x7f0000000b40)={&(0x7f0000000a80), 0xc, &(0x7f0000000b00)={&(0x7f0000000ac0)={0x14, 0x0, 0x1}, 0x14}}, 0x0) (async) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r4 = syz_genetlink_get_family_id$nl802154(&(0x7f00000013c0), 0xffffffffffffffff) sendmsg$NL802154_CMD_SET_CCA_MODE(r3, &(0x7f0000001500)={&(0x7f0000001380), 0xc, &(0x7f00000014c0)={&(0x7f0000001440)={0x24, r4, 0x1, 0x0, 0x0, {}, [@NL802154_ATTR_CCA_MODE={0x8}, @NL802154_ATTR_IFINDEX={0x8}]}, 0x24}}, 0x0) sendmsg$NL802154_CMD_DEL_SEC_LEVEL(r2, &(0x7f00000000c0)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x400}, 0xc, &(0x7f0000000080)={&(0x7f0000000180)={0x90, r4, 0x2, 0x70bd29, 0x25dfdbfb, {}, [@NL802154_ATTR_WPAN_DEV={0xc, 0x6, 0x300000003}, @NL802154_ATTR_SEC_LEVEL={0x1c, 0x22, 0x0, 0x1, [@NL802154_SECLEVEL_ATTR_CMD_FRAME={0x8, 0x3, 0x4}, @NL802154_SECLEVEL_ATTR_FRAME={0x8, 0x2, 0x1}, @NL802154_SECLEVEL_ATTR_CMD_FRAME={0x8, 0x3, 0x7}]}, @NL802154_ATTR_WPAN_DEV={0xc}, @NL802154_ATTR_SEC_LEVEL={0x24, 0x22, 0x0, 0x1, [@NL802154_SECLEVEL_ATTR_LEVELS={0x5, 0x1, 0x1f}, @NL802154_SECLEVEL_ATTR_LEVELS={0x5, 0x1, 0x80}, @NL802154_SECLEVEL_ATTR_DEV_OVERRIDE={0x5}, @NL802154_SECLEVEL_ATTR_LEVELS={0x5, 0x1, 0x7}]}, @NL802154_ATTR_WPAN_DEV={0xc, 0x6, 0x300000003}, @NL802154_ATTR_WPAN_DEV={0xc, 0x6, 0x100000001}, @NL802154_ATTR_WPAN_DEV={0xc, 0x6, 0x100000001}]}, 0x90}, 0x1, 0x0, 0x0, 0x2000c800}, 0x8000) (async) r5 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NL802154_CMD_SET_CCA_ED_LEVEL(r5, &(0x7f0000000b40)={&(0x7f0000000a80), 0xc, &(0x7f0000000b00)={&(0x7f0000000ac0)={0x14, 0x0, 0x1}, 0x14}}, 0x0) (async) sendmsg$NBD_CMD_DISCONNECT(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f00000004c0)=ANY=[@ANYBLOB='l\x00\x00\x00', @ANYRES16=r5, @ANYBLOB="01002dbd7000fddbdf25020000000c00030001000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB], 0x6c}}, 0x4) 12:26:38 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r1) sendmsg$NBD_CMD_DISCONNECT(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000000)=ANY=[@ANYBLOB='l\x00\x00\x00', @ANYRES16=r2, @ANYBLOB="01002dbd7000fddbdf2502", @ANYRES32, @ANYBLOB="0800014036ece3"], 0x6c}}, 0x0) 12:26:38 executing program 4: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x40b01) sendto$unix(0xffffffffffffffff, &(0x7f0000000040)="c91ab0ffaf75bcf0129783a9983d2c82116ab047745dd3f1b34cf28a7a9f1fa2ad6add365b9dcc2177cb6a03f1ae10a6e873fd3f131b9e7093f20368b712765b7ff8b7fcb5209684994436b01564ae98d5ff6ccecfe7e0e60b5151cd5ca0761a27bcfc009f9c49ffee12067a232338", 0x6f, 0x10, 0x0, 0x0) (async) ioctl$NBD_SET_SOCK(r0, 0xab00, 0xffffffffffffffff) 12:26:38 executing program 3: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x84242) ioctl$NBD_SET_SOCK(r0, 0xab00, 0xffffffffffffffff) (async) r1 = socket$netlink(0x10, 0x3, 0x14) sendmsg$BATADV_CMD_SET_MESH(r1, &(0x7f0000000100)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x40000000}, 0xc, &(0x7f00000000c0)={&(0x7f0000000080)={0x24, 0x0, 0x800, 0x70bd2b, 0x25dfdbfb, {}, [@BATADV_ATTR_MULTICAST_FORCEFLOOD_ENABLED={0x5}, @BATADV_ATTR_ELP_INTERVAL={0x8, 0x3a, 0xa48}]}, 0x24}, 0x1, 0x0, 0x0, 0x20000054}, 0x20080044) (async) socket$nl_route(0x10, 0x3, 0x0) 12:26:38 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r1) sendmsg$NBD_CMD_DISCONNECT(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f00000004c0)=ANY=[@ANYBLOB="10000000", @ANYRES16=r2, @ANYBLOB="01002dbd7000fddbdf25020000000c00030001000100", @ANYRES32, @ANYBLOB="08000100"], 0x6c}}, 0x0) 12:26:38 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r1) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r1) sendmsg$NBD_CMD_DISCONNECT(r0, &(0x7f00000001c0)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x80000}, 0xc, &(0x7f0000000180)={&(0x7f00000000c0)={0x34, r2, 0x1, 0x70bd29, 0x25dfdbfb, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x6}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x1}]}, 0x34}, 0x1, 0x0, 0x0, 0x4000}, 0x4000004) [ 358.478644] nbd: couldn't find device at index -1 12:26:38 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nl802154(&(0x7f00000002c0), r1) sendmsg$NL802154_CMD_NEW_SEC_KEY(0xffffffffffffffff, &(0x7f00000003c0)={&(0x7f0000000280)={0x10, 0x0, 0x0, 0x8804040}, 0xc, &(0x7f0000000380)={&(0x7f0000000940)={0x97, r2, 0x20, 0x70bd2b, 0x25dfdbfc, {}, [@NL802154_ATTR_SEC_KEY={0x4c, 0x25, 0x0, 0x1, [@NL802154_KEY_ATTR_ID={0x0, 0x1, 0x0, 0x1, [@NL802154_KEY_ID_ATTR_INDEX={0x0, 0x2, 0x3}, @NL802154_KEY_ID_ATTR_IMPLICIT={0x0, 0x3, 0x0, 0x1, [@NL802154_DEV_ADDR_ATTR_EXTENDED={0x0, 0x4, {0xaaaaaaaaaaaa0202}}, @NL802154_DEV_ADDR_ATTR_PAN_ID={0x0, 0x1, 0x1}]}, @NL802154_KEY_ID_ATTR_SOURCE_EXTENDED]}, @NL802154_KEY_ATTR_USAGE_FRAMES={0x5, 0x2, 0xa0}, @NL802154_KEY_ATTR_ID={0xc, 0x1, 0x0, 0x1, [@NL802154_KEY_ID_ATTR_MODE={0x8, 0x1, 0x1}]}, @NL802154_KEY_ATTR_USAGE_CMDS={0x24, 0x3, "5a3072dc85ba7ef90644e2d5016ef2afe218a7260f9a103d5ad0ba9d2006cbca"}, @NL802154_KEY_ATTR_USAGE_FRAMES={0x5}]}]}, 0x60}, 0x1, 0x0, 0x0, 0x40000}, 0x0) r3 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r1) sendmsg$NBD_CMD_DISCONNECT(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f00000004c0)=ANY=[@ANYBLOB='~\x00\x00\x00', @ANYRES16=r3, @ANYBLOB="0100361d4841bbc2cf09f8760f270699702dbd7000fd", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB], 0x6c}}, 0x0) r4 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NL802154_CMD_SET_CCA_ED_LEVEL(r4, &(0x7f0000000b40)={&(0x7f0000000a80), 0xc, &(0x7f0000000b00)={&(0x7f0000000ac0)={0x14, 0x0, 0x1}, 0x14}}, 0x0) sendmsg$NL802154_CMD_SET_CCA_MODE(r4, &(0x7f0000000240)={&(0x7f0000000180)={0x10, 0x0, 0x0, 0x1000}, 0xc, &(0x7f0000000200)={&(0x7f00000001c0)={0x24, 0x0, 0x1, 0x70bd2c, 0x25dfdbfb, {}, [@NL802154_ATTR_CCA_MODE={0x8, 0xc, 0x5}, @NL802154_ATTR_CCA_MODE={0x8, 0xc, 0x4}]}, 0x24}, 0x1, 0x0, 0x0, 0x4000}, 0x40080) sendmsg$NL802154_CMD_DEL_SEC_DEVKEY(r0, &(0x7f00000000c0)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x20000}, 0xc, &(0x7f0000000080)={&(0x7f0000000500)=ANY=[@ANYBLOB="b8d65fd1f8", @ANYRES16=0x0, @ANYBLOB="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"], 0x1b8}, 0x1, 0x0, 0x0, 0x90}, 0x80) r5 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r6 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r7 = syz_genetlink_get_family_id$nl802154(&(0x7f00000013c0), 0xffffffffffffffff) sendmsg$NL802154_CMD_SET_CCA_MODE(r6, &(0x7f0000001500)={&(0x7f0000001380), 0xc, &(0x7f00000014c0)={&(0x7f0000001440)={0x24, r7, 0x1, 0x0, 0x0, {}, [@NL802154_ATTR_CCA_MODE={0x8}, @NL802154_ATTR_IFINDEX={0x8}]}, 0x24}}, 0x0) sendmsg$NL802154_CMD_SET_CCA_ED_LEVEL(r5, &(0x7f0000000c40)={&(0x7f0000000a40)={0x10, 0x0, 0x0, 0x40}, 0xc, &(0x7f0000000bc0)={&(0x7f0000000b80)={0x1c, r7, 0xc20, 0x70bd25, 0x25dfdbfb, {}, [@NL802154_ATTR_CCA_ED_LEVEL={0x8, 0xe, 0x6}]}, 0x1c}, 0x1, 0x0, 0x0, 0x4000050}, 0x20000000) r8 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NL802154_CMD_SET_ACKREQ_DEFAULT(r8, &(0x7f00000006c0)={&(0x7f0000000400)={0x10, 0x0, 0x0, 0x8000}, 0xc, &(0x7f0000000480)={&(0x7f0000000440)={0x20, r2, 0x8, 0x70bd2c, 0x25dfdbfc, {}, [@NL802154_ATTR_WPAN_DEV={0xc, 0x6, 0x3}]}, 0x20}, 0x1, 0x0, 0x0, 0x10}, 0x8000) r9 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NL802154_CMD_SET_CCA_ED_LEVEL(r9, &(0x7f0000000b40)={&(0x7f0000000a80), 0xc, &(0x7f0000000b00)={&(0x7f0000000ac0)={0x14, 0x0, 0x1}, 0x14}}, 0x0) ioctl$sock_SIOCGIFINDEX_802154(r0, 0x8933, &(0x7f0000000740)={'wpan1\x00', 0x0}) r11 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) ioctl$sock_SIOCGIFINDEX_802154(r11, 0x8933, &(0x7f0000000740)={'wpan0\x00', 0x0}) r13 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r14 = syz_genetlink_get_family_id$nl802154(&(0x7f00000013c0), 0xffffffffffffffff) sendmsg$NL802154_CMD_GET_WPAN_PHY(r13, &(0x7f0000000cc0)={0x0, 0x0, &(0x7f0000000c80)={&(0x7f0000000c00)={0x30, r14, 0x421, 0x0, 0x0, {}, [@NL802154_ATTR_WPAN_PHY={0x8, 0x1, 0x2}, @NL802154_ATTR_IFINDEX={0x8, 0x3, r12}, @NL802154_ATTR_WPAN_DEV={0xc, 0x6, 0x100000001}]}, 0x30}}, 0x0) sendmsg$NL802154_CMD_GET_INTERFACE(r9, &(0x7f0000000840)={&(0x7f0000000700)={0x10, 0x0, 0x0, 0x20200000}, 0xc, &(0x7f0000000800)={&(0x7f0000000780)={0x44, r2, 0x10, 0x70bd27, 0x25dfdbfd, {}, [@NL802154_ATTR_IFINDEX={0x8}, @NL802154_ATTR_IFINDEX={0x8, 0x3, r10}, @NL802154_ATTR_WPAN_DEV={0xc, 0x6, 0x3}, @NL802154_ATTR_WPAN_DEV={0xc, 0x6, 0x3}, @NL802154_ATTR_IFINDEX={0x8, 0x3, r12}]}, 0x44}, 0x1, 0x0, 0x0, 0x8000}, 0x20000040) r15 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) ioctl$sock_SIOCGIFINDEX_802154(r8, 0x8933, &(0x7f0000000340)={'wpan3\x00', 0x0}) sendmsg$NL802154_CMD_DEL_SEC_DEV(r15, &(0x7f0000000a00)={&(0x7f0000000300)={0x10, 0x0, 0x0, 0x80000}, 0xc, &(0x7f0000000900)={&(0x7f0000000880)={0x4c, r2, 0x400, 0x70bd27, 0x25dfdbfb, {}, [@NL802154_ATTR_WPAN_DEV={0xc}, @NL802154_ATTR_SEC_DEVICE={0x10, 0x23, 0x0, 0x1, {0xc}}, @NL802154_ATTR_WPAN_DEV={0xc, 0x6, 0x200000003}, @NL802154_ATTR_IFINDEX={0x8, 0x3, r16}, @NL802154_ATTR_IFINDEX={0x8, 0x3, r10}]}, 0x4c}, 0x1, 0x0, 0x0, 0x4010}, 0x4) 12:26:38 executing program 4: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x40b01) (async) sendto$unix(0xffffffffffffffff, &(0x7f0000000040)="c91ab0ffaf75bcf0129783a9983d2c82116ab047745dd3f1b34cf28a7a9f1fa2ad6add365b9dcc2177cb6a03f1ae10a6e873fd3f131b9e7093f20368b712765b7ff8b7fcb5209684994436b01564ae98d5ff6ccecfe7e0e60b5151cd5ca0761a27bcfc009f9c49ffee12067a232338", 0x6f, 0x10, 0x0, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, 0xffffffffffffffff) 12:26:38 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r1) sendmsg$NBD_CMD_DISCONNECT(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f00000004c0)=ANY=[@ANYBLOB="10000000", @ANYRES16=r2, @ANYBLOB="01002dbd7000fddbdf25020000000c00030001000100", @ANYRES32], 0x6c}}, 0x0) 12:26:38 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r1) sendmsg$NBD_CMD_DISCONNECT(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000000)=ANY=[@ANYBLOB='l\x00\x00\x00', @ANYRES16=r2, @ANYBLOB="01002dbd7000fddbdf2502", @ANYRES32, @ANYBLOB="0800014036ece3"], 0x6c}}, 0x0) [ 358.529767] nbd: must specify an index to disconnect 12:26:38 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r1) sendmsg$NBD_CMD_DISCONNECT(r0, &(0x7f00000001c0)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x80000}, 0xc, &(0x7f0000000180)={&(0x7f00000000c0)={0x34, r2, 0x1, 0x70bd29, 0x25dfdbfb, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x6}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x1}]}, 0x34}, 0x1, 0x0, 0x0, 0x4000}, 0x4000004) 12:26:38 executing program 3: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x84242) ioctl$NBD_SET_SOCK(r0, 0xab00, 0xffffffffffffffff) r1 = socket$netlink(0x10, 0x3, 0x14) sendmsg$BATADV_CMD_SET_MESH(r1, &(0x7f0000000100)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x40000000}, 0xc, &(0x7f00000000c0)={&(0x7f0000000080)={0x24, 0x0, 0x800, 0x70bd2b, 0x25dfdbfb, {}, [@BATADV_ATTR_MULTICAST_FORCEFLOOD_ENABLED={0x5}, @BATADV_ATTR_ELP_INTERVAL={0x8, 0x3a, 0xa48}]}, 0x24}, 0x1, 0x0, 0x0, 0x20000054}, 0x20080044) (async) socket$nl_route(0x10, 0x3, 0x0) 12:26:38 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r1) sendmsg$NBD_CMD_DISCONNECT(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f00000004c0)=ANY=[@ANYBLOB="10000000", @ANYRES16=r2, @ANYBLOB="01002dbd7000fddbdf25020000000c00030001000100"], 0x6c}}, 0x0) 12:26:38 executing program 4: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x40b01) ioctl$NBD_SET_SOCK(r0, 0xab00, 0xffffffffffffffff) sendmsg$IPVS_CMD_NEW_DEST(0xffffffffffffffff, &(0x7f0000000180)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x1}, 0xc, &(0x7f0000000140)={&(0x7f0000000080)=ANY=[@ANYBLOB="b0002010", @ANYRES16=0x0, @ANYBLOB="040026bd7000fbdbdf250500000038000180080008000700000008000b0073697000060004004e220000070006006c630000080009007b0000000c00070000000000190000005c00028008000700c700000008000900600a0000140001000000000000000000000000000000000006000e004e24000006000f00080400000800030002000000080008000100000014000100ac1414bb00000000000000000000000008000400fcffffff"], 0xb0}, 0x1, 0x0, 0x0, 0x4}, 0x4000000) 12:26:38 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), 0xffffffffffffffff) sendmsg$NBD_CMD_DISCONNECT(r0, &(0x7f00000001c0)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x80000}, 0xc, &(0x7f0000000180)={&(0x7f00000000c0)={0x34, r1, 0x1, 0x70bd29, 0x25dfdbfb, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x6}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x1}]}, 0x34}, 0x1, 0x0, 0x0, 0x4000}, 0x4000004) 12:26:38 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nl802154(&(0x7f00000002c0), r1) sendmsg$NL802154_CMD_NEW_SEC_KEY(0xffffffffffffffff, &(0x7f00000003c0)={&(0x7f0000000280)={0x10, 0x0, 0x0, 0x8804040}, 0xc, &(0x7f0000000380)={&(0x7f0000000940)={0x97, r2, 0x20, 0x70bd2b, 0x25dfdbfc, {}, [@NL802154_ATTR_SEC_KEY={0x4c, 0x25, 0x0, 0x1, [@NL802154_KEY_ATTR_ID={0x0, 0x1, 0x0, 0x1, [@NL802154_KEY_ID_ATTR_INDEX={0x0, 0x2, 0x3}, @NL802154_KEY_ID_ATTR_IMPLICIT={0x0, 0x3, 0x0, 0x1, [@NL802154_DEV_ADDR_ATTR_EXTENDED={0x0, 0x4, {0xaaaaaaaaaaaa0202}}, @NL802154_DEV_ADDR_ATTR_PAN_ID={0x0, 0x1, 0x1}]}, @NL802154_KEY_ID_ATTR_SOURCE_EXTENDED]}, @NL802154_KEY_ATTR_USAGE_FRAMES={0x5, 0x2, 0xa0}, @NL802154_KEY_ATTR_ID={0xc, 0x1, 0x0, 0x1, [@NL802154_KEY_ID_ATTR_MODE={0x8, 0x1, 0x1}]}, @NL802154_KEY_ATTR_USAGE_CMDS={0x24, 0x3, "5a3072dc85ba7ef90644e2d5016ef2afe218a7260f9a103d5ad0ba9d2006cbca"}, @NL802154_KEY_ATTR_USAGE_FRAMES={0x5}]}]}, 0x60}, 0x1, 0x0, 0x0, 0x40000}, 0x0) (async) r3 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r1) sendmsg$NBD_CMD_DISCONNECT(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f00000004c0)=ANY=[@ANYBLOB='~\x00\x00\x00', @ANYRES16=r3, @ANYBLOB="0100361d4841bbc2cf09f8760f270699702dbd7000fd", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB], 0x6c}}, 0x0) r4 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NL802154_CMD_SET_CCA_ED_LEVEL(r4, &(0x7f0000000b40)={&(0x7f0000000a80), 0xc, &(0x7f0000000b00)={&(0x7f0000000ac0)={0x14, 0x0, 0x1}, 0x14}}, 0x0) sendmsg$NL802154_CMD_SET_CCA_MODE(r4, &(0x7f0000000240)={&(0x7f0000000180)={0x10, 0x0, 0x0, 0x1000}, 0xc, &(0x7f0000000200)={&(0x7f00000001c0)={0x24, 0x0, 0x1, 0x70bd2c, 0x25dfdbfb, {}, [@NL802154_ATTR_CCA_MODE={0x8, 0xc, 0x5}, @NL802154_ATTR_CCA_MODE={0x8, 0xc, 0x4}]}, 0x24}, 0x1, 0x0, 0x0, 0x4000}, 0x40080) (async) sendmsg$NL802154_CMD_DEL_SEC_DEVKEY(r0, &(0x7f00000000c0)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x20000}, 0xc, &(0x7f0000000080)={&(0x7f0000000500)=ANY=[@ANYBLOB="b8d65fd1f8", @ANYRES16=0x0, @ANYBLOB="000327bd7000ffdbdf251e0000000c0006000000000000000000b40024805c000380050002000000000005000200010000003800038006000300a2aa000006000300a1aa000006000300a1aa0000080002000300000008000200020000000c0004000202aaaaaaaaaaaa080001000300000008000400000800000800010000040000380003802c000380080002000300000006000300feff00000c0004000201aaaaaaaaaaaa0c0004000202aaaaaaaaaaaa080004000400000008000100090000000c0002000200aaaaaaaaaaaa0c00060002000000020000000c00060003000000000000000c00060000000000000000000c0006000200000002000000b400248008000100090000000800010001000000940003800c00050006000000000000000c00050002000000000000000500020002000000300003800c0004000202aaaaaaaaaaaa0c0004000203aaaaaaaaaaaa06000300a3aa00000c0004000203aaaaaaaaaaaa14000380080002000300000008000200000000000c00038006000100ffff000008000100030000000800010000000000050002000100000008000400050000000c0002000201aaaaaaaaaaaa"], 0x1b8}, 0x1, 0x0, 0x0, 0x90}, 0x80) (async) r5 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r6 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r7 = syz_genetlink_get_family_id$nl802154(&(0x7f00000013c0), 0xffffffffffffffff) sendmsg$NL802154_CMD_SET_CCA_MODE(r6, &(0x7f0000001500)={&(0x7f0000001380), 0xc, &(0x7f00000014c0)={&(0x7f0000001440)={0x24, r7, 0x1, 0x0, 0x0, {}, [@NL802154_ATTR_CCA_MODE={0x8}, @NL802154_ATTR_IFINDEX={0x8}]}, 0x24}}, 0x0) (async) sendmsg$NL802154_CMD_SET_CCA_ED_LEVEL(r5, &(0x7f0000000c40)={&(0x7f0000000a40)={0x10, 0x0, 0x0, 0x40}, 0xc, &(0x7f0000000bc0)={&(0x7f0000000b80)={0x1c, r7, 0xc20, 0x70bd25, 0x25dfdbfb, {}, [@NL802154_ATTR_CCA_ED_LEVEL={0x8, 0xe, 0x6}]}, 0x1c}, 0x1, 0x0, 0x0, 0x4000050}, 0x20000000) (async) r8 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NL802154_CMD_SET_ACKREQ_DEFAULT(r8, &(0x7f00000006c0)={&(0x7f0000000400)={0x10, 0x0, 0x0, 0x8000}, 0xc, &(0x7f0000000480)={&(0x7f0000000440)={0x20, r2, 0x8, 0x70bd2c, 0x25dfdbfc, {}, [@NL802154_ATTR_WPAN_DEV={0xc, 0x6, 0x3}]}, 0x20}, 0x1, 0x0, 0x0, 0x10}, 0x8000) (async) r9 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NL802154_CMD_SET_CCA_ED_LEVEL(r9, &(0x7f0000000b40)={&(0x7f0000000a80), 0xc, &(0x7f0000000b00)={&(0x7f0000000ac0)={0x14, 0x0, 0x1}, 0x14}}, 0x0) (async) ioctl$sock_SIOCGIFINDEX_802154(r0, 0x8933, &(0x7f0000000740)={'wpan1\x00', 0x0}) (async) r11 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) ioctl$sock_SIOCGIFINDEX_802154(r11, 0x8933, &(0x7f0000000740)={'wpan0\x00', 0x0}) (async) r13 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) r14 = syz_genetlink_get_family_id$nl802154(&(0x7f00000013c0), 0xffffffffffffffff) sendmsg$NL802154_CMD_GET_WPAN_PHY(r13, &(0x7f0000000cc0)={0x0, 0x0, &(0x7f0000000c80)={&(0x7f0000000c00)={0x30, r14, 0x421, 0x0, 0x0, {}, [@NL802154_ATTR_WPAN_PHY={0x8, 0x1, 0x2}, @NL802154_ATTR_IFINDEX={0x8, 0x3, r12}, @NL802154_ATTR_WPAN_DEV={0xc, 0x6, 0x100000001}]}, 0x30}}, 0x0) (async) sendmsg$NL802154_CMD_GET_INTERFACE(r9, &(0x7f0000000840)={&(0x7f0000000700)={0x10, 0x0, 0x0, 0x20200000}, 0xc, &(0x7f0000000800)={&(0x7f0000000780)={0x44, r2, 0x10, 0x70bd27, 0x25dfdbfd, {}, [@NL802154_ATTR_IFINDEX={0x8}, @NL802154_ATTR_IFINDEX={0x8, 0x3, r10}, @NL802154_ATTR_WPAN_DEV={0xc, 0x6, 0x3}, @NL802154_ATTR_WPAN_DEV={0xc, 0x6, 0x3}, @NL802154_ATTR_IFINDEX={0x8, 0x3, r12}]}, 0x44}, 0x1, 0x0, 0x0, 0x8000}, 0x20000040) (async) r15 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) ioctl$sock_SIOCGIFINDEX_802154(r8, 0x8933, &(0x7f0000000340)={'wpan3\x00', 0x0}) sendmsg$NL802154_CMD_DEL_SEC_DEV(r15, &(0x7f0000000a00)={&(0x7f0000000300)={0x10, 0x0, 0x0, 0x80000}, 0xc, &(0x7f0000000900)={&(0x7f0000000880)={0x4c, r2, 0x400, 0x70bd27, 0x25dfdbfb, {}, [@NL802154_ATTR_WPAN_DEV={0xc}, @NL802154_ATTR_SEC_DEVICE={0x10, 0x23, 0x0, 0x1, {0xc}}, @NL802154_ATTR_WPAN_DEV={0xc, 0x6, 0x200000003}, @NL802154_ATTR_IFINDEX={0x8, 0x3, r16}, @NL802154_ATTR_IFINDEX={0x8, 0x3, r10}]}, 0x4c}, 0x1, 0x0, 0x0, 0x4010}, 0x4) 12:26:38 executing program 3: r0 = socket$netlink(0x10, 0x3, 0x7) syz_genetlink_get_family_id$tipc(&(0x7f0000000200), r0) sendmsg$TIPC_CMD_SET_NETID(r0, &(0x7f0000000d80)={0x0, 0x0, &(0x7f0000000d40)={&(0x7f0000000d00)={0x24, 0x0, 0x0, 0x0, 0x0, {{}, {}, {0x8}}}, 0x24}}, 0x0) r1 = syz_genetlink_get_family_id$ipvs(&(0x7f0000000080), 0xffffffffffffffff) sendmsg$IPVS_CMD_SET_CONFIG(r0, &(0x7f00000001c0)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x100000}, 0xc, &(0x7f0000000180)={&(0x7f00000000c0)=ANY=[@ANYBLOB="9c000000", @ANYRES16=r1, @ANYBLOB="100029bd7000fddbdf250c000000080004000000000008000500f78a000008000400ac0900005800038006000400060000001400060020010000000000000000000000000000060007004e24000014026c18bebe45736e00020076657468315f766c616e0000000000001400020069703665727370616e300000000000002d1858c1f6db51d8a71acdb7eaedb02008000500ac1414bb"], 0x9c}, 0x1, 0x0, 0x0, 0x20004040}, 0x90) r2 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) ioctl$NBD_SET_SOCK(r2, 0xab00, 0xffffffffffffffff) [ 358.659936] nbd: must specify an index to disconnect 12:26:38 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r1) sendmsg$NBD_CMD_DISCONNECT(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f00000004c0)=ANY=[@ANYBLOB="10000000", @ANYRES16=r2], 0x6c}}, 0x0) 12:26:38 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r1) sendmsg$NBD_CMD_DISCONNECT(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000000)=ANY=[@ANYBLOB='l\x00\x00\x00', @ANYRES16=r2, @ANYBLOB="01002dbd7000fddbdf2502", @ANYRES32, @ANYBLOB="0800014036ece3"], 0x6c}}, 0x0) 12:26:38 executing program 4: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x40b01) ioctl$NBD_SET_SOCK(r0, 0xab00, 0xffffffffffffffff) sendmsg$IPVS_CMD_NEW_DEST(0xffffffffffffffff, &(0x7f0000000180)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x1}, 0xc, &(0x7f0000000140)={&(0x7f0000000080)=ANY=[@ANYBLOB="b0002010", @ANYRES16=0x0, @ANYBLOB="040026bd7000fbdbdf250500000038000180080008000700000008000b0073697000060004004e220000070006006c630000080009007b0000000c00070000000000190000005c00028008000700c700000008000900600a0000140001000000000000000000000000000000000006000e004e24000006000f00080400000800030002000000080008000100000014000100ac1414bb00000000000000000000000008000400fcffffff"], 0xb0}, 0x1, 0x0, 0x0, 0x4}, 0x4000000) syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x40b01) (async) ioctl$NBD_SET_SOCK(r0, 0xab00, 0xffffffffffffffff) (async) sendmsg$IPVS_CMD_NEW_DEST(0xffffffffffffffff, &(0x7f0000000180)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x1}, 0xc, &(0x7f0000000140)={&(0x7f0000000080)=ANY=[@ANYBLOB="b0002010", @ANYRES16=0x0, @ANYBLOB="040026bd7000fbdbdf250500000038000180080008000700000008000b0073697000060004004e220000070006006c630000080009007b0000000c00070000000000190000005c00028008000700c700000008000900600a0000140001000000000000000000000000000000000006000e004e24000006000f00080400000800030002000000080008000100000014000100ac1414bb00000000000000000000000008000400fcffffff"], 0xb0}, 0x1, 0x0, 0x0, 0x4}, 0x4000000) (async) 12:26:38 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), 0xffffffffffffffff) sendmsg$NBD_CMD_DISCONNECT(r0, &(0x7f00000001c0)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x80000}, 0xc, &(0x7f0000000180)={&(0x7f00000000c0)={0x34, r1, 0x1, 0x70bd29, 0x25dfdbfb, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x6}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x1}]}, 0x34}, 0x1, 0x0, 0x0, 0x4000}, 0x4000004) 12:26:38 executing program 3: r0 = socket$netlink(0x10, 0x3, 0x7) syz_genetlink_get_family_id$tipc(&(0x7f0000000200), r0) sendmsg$TIPC_CMD_SET_NETID(r0, &(0x7f0000000d80)={0x0, 0x0, &(0x7f0000000d40)={&(0x7f0000000d00)={0x24, 0x0, 0x0, 0x0, 0x0, {{}, {}, {0x8}}}, 0x24}}, 0x0) r1 = syz_genetlink_get_family_id$ipvs(&(0x7f0000000080), 0xffffffffffffffff) sendmsg$IPVS_CMD_SET_CONFIG(r0, &(0x7f00000001c0)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x100000}, 0xc, &(0x7f0000000180)={&(0x7f00000000c0)=ANY=[@ANYBLOB="9c000000", @ANYRES16=r1, @ANYBLOB="100029bd7000fddbdf250c000000080004000000000008000500f78a000008000400ac0900005800038006000400060000001400060020010000000000000000000000000000060007004e24000014026c18bebe45736e00020076657468315f766c616e0000000000001400020069703665727370616e300000000000002d1858c1f6db51d8a71acdb7eaedb02008000500ac1414bb"], 0x9c}, 0x1, 0x0, 0x0, 0x20004040}, 0x90) r2 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) ioctl$NBD_SET_SOCK(r2, 0xab00, 0xffffffffffffffff) socket$netlink(0x10, 0x3, 0x7) (async) syz_genetlink_get_family_id$tipc(&(0x7f0000000200), r0) (async) sendmsg$TIPC_CMD_SET_NETID(r0, &(0x7f0000000d80)={0x0, 0x0, &(0x7f0000000d40)={&(0x7f0000000d00)={0x24, 0x0, 0x0, 0x0, 0x0, {{}, {}, {0x8}}}, 0x24}}, 0x0) (async) syz_genetlink_get_family_id$ipvs(&(0x7f0000000080), 0xffffffffffffffff) (async) sendmsg$IPVS_CMD_SET_CONFIG(r0, &(0x7f00000001c0)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x100000}, 0xc, &(0x7f0000000180)={&(0x7f00000000c0)=ANY=[@ANYBLOB="9c000000", @ANYRES16=r1, @ANYBLOB="100029bd7000fddbdf250c000000080004000000000008000500f78a000008000400ac0900005800038006000400060000001400060020010000000000000000000000000000060007004e24000014026c18bebe45736e00020076657468315f766c616e0000000000001400020069703665727370616e300000000000002d1858c1f6db51d8a71acdb7eaedb02008000500ac1414bb"], 0x9c}, 0x1, 0x0, 0x0, 0x20004040}, 0x90) (async) syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) (async) ioctl$NBD_SET_SOCK(r2, 0xab00, 0xffffffffffffffff) (async) 12:26:38 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), 0xffffffffffffffff) sendmsg$NBD_CMD_DISCONNECT(r0, &(0x7f00000001c0)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x80000}, 0xc, &(0x7f0000000180)={&(0x7f00000000c0)={0x34, r1, 0x1, 0x70bd29, 0x25dfdbfb, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x6}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x1}]}, 0x34}, 0x1, 0x0, 0x0, 0x4000}, 0x4000004) 12:26:38 executing program 4: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x40b01) ioctl$NBD_SET_SOCK(r0, 0xab00, 0xffffffffffffffff) (async) sendmsg$IPVS_CMD_NEW_DEST(0xffffffffffffffff, &(0x7f0000000180)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x1}, 0xc, &(0x7f0000000140)={&(0x7f0000000080)=ANY=[@ANYBLOB="b0002010", @ANYRES16=0x0, @ANYBLOB="040026bd7000fbdbdf250500000038000180080008000700000008000b0073697000060004004e220000070006006c630000080009007b0000000c00070000000000190000005c00028008000700c700000008000900600a0000140001000000000000000000000000000000000006000e004e24000006000f00080400000800030002000000080008000100000014000100ac1414bb00000000000000000000000008000400fcffffff"], 0xb0}, 0x1, 0x0, 0x0, 0x4}, 0x4000000) 12:26:38 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r1) sendmsg$NBD_CMD_DISCONNECT(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000000)=ANY=[@ANYBLOB='l\x00\x00\x00', @ANYRES16=r2, @ANYBLOB="01002dbd7000fddbdf25020000000c0003", @ANYRES32, @ANYBLOB="0800014036ece3"], 0x6c}}, 0x0) [ 358.756806] nbd: must specify an index to disconnect 12:26:38 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r1) sendmsg$NBD_CMD_DISCONNECT(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f00000004c0)=ANY=[@ANYBLOB="10000000", @ANYRES16=r2], 0x6c}}, 0x0) 12:26:38 executing program 3: r0 = socket$netlink(0x10, 0x3, 0x7) syz_genetlink_get_family_id$tipc(&(0x7f0000000200), r0) sendmsg$TIPC_CMD_SET_NETID(r0, &(0x7f0000000d80)={0x0, 0x0, &(0x7f0000000d40)={&(0x7f0000000d00)={0x24, 0x0, 0x0, 0x0, 0x0, {{}, {}, {0x8}}}, 0x24}}, 0x0) r1 = syz_genetlink_get_family_id$ipvs(&(0x7f0000000080), 0xffffffffffffffff) sendmsg$IPVS_CMD_SET_CONFIG(r0, &(0x7f00000001c0)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x100000}, 0xc, &(0x7f0000000180)={&(0x7f00000000c0)=ANY=[@ANYBLOB="9c000000", @ANYRES16=r1, @ANYBLOB="100029bd7000fddbdf250c000000080004000000000008000500f78a000008000400ac0900005800038006000400060000001400060020010000000000000000000000000000060007004e24000014026c18bebe45736e00020076657468315f766c616e0000000000001400020069703665727370616e300000000000002d1858c1f6db51d8a71acdb7eaedb02008000500ac1414bb"], 0x9c}, 0x1, 0x0, 0x0, 0x20004040}, 0x90) r2 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) ioctl$NBD_SET_SOCK(r2, 0xab00, 0xffffffffffffffff) socket$netlink(0x10, 0x3, 0x7) (async) syz_genetlink_get_family_id$tipc(&(0x7f0000000200), r0) (async) sendmsg$TIPC_CMD_SET_NETID(r0, &(0x7f0000000d80)={0x0, 0x0, &(0x7f0000000d40)={&(0x7f0000000d00)={0x24, 0x0, 0x0, 0x0, 0x0, {{}, {}, {0x8}}}, 0x24}}, 0x0) (async) syz_genetlink_get_family_id$ipvs(&(0x7f0000000080), 0xffffffffffffffff) (async) sendmsg$IPVS_CMD_SET_CONFIG(r0, &(0x7f00000001c0)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x100000}, 0xc, &(0x7f0000000180)={&(0x7f00000000c0)=ANY=[@ANYBLOB="9c000000", @ANYRES16=r1, @ANYBLOB="100029bd7000fddbdf250c000000080004000000000008000500f78a000008000400ac0900005800038006000400060000001400060020010000000000000000000000000000060007004e24000014026c18bebe45736e00020076657468315f766c616e0000000000001400020069703665727370616e300000000000002d1858c1f6db51d8a71acdb7eaedb02008000500ac1414bb"], 0x9c}, 0x1, 0x0, 0x0, 0x20004040}, 0x90) (async) syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) (async) ioctl$NBD_SET_SOCK(r2, 0xab00, 0xffffffffffffffff) (async) 12:26:38 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nl802154(&(0x7f00000002c0), r1) sendmsg$NL802154_CMD_NEW_SEC_KEY(0xffffffffffffffff, &(0x7f00000003c0)={&(0x7f0000000280)={0x10, 0x0, 0x0, 0x8804040}, 0xc, &(0x7f0000000380)={&(0x7f0000000940)={0x97, r2, 0x20, 0x70bd2b, 0x25dfdbfc, {}, [@NL802154_ATTR_SEC_KEY={0x4c, 0x25, 0x0, 0x1, [@NL802154_KEY_ATTR_ID={0x0, 0x1, 0x0, 0x1, [@NL802154_KEY_ID_ATTR_INDEX={0x0, 0x2, 0x3}, @NL802154_KEY_ID_ATTR_IMPLICIT={0x0, 0x3, 0x0, 0x1, [@NL802154_DEV_ADDR_ATTR_EXTENDED={0x0, 0x4, {0xaaaaaaaaaaaa0202}}, @NL802154_DEV_ADDR_ATTR_PAN_ID={0x0, 0x1, 0x1}]}, @NL802154_KEY_ID_ATTR_SOURCE_EXTENDED]}, @NL802154_KEY_ATTR_USAGE_FRAMES={0x5, 0x2, 0xa0}, @NL802154_KEY_ATTR_ID={0xc, 0x1, 0x0, 0x1, [@NL802154_KEY_ID_ATTR_MODE={0x8, 0x1, 0x1}]}, @NL802154_KEY_ATTR_USAGE_CMDS={0x24, 0x3, "5a3072dc85ba7ef90644e2d5016ef2afe218a7260f9a103d5ad0ba9d2006cbca"}, @NL802154_KEY_ATTR_USAGE_FRAMES={0x5}]}]}, 0x60}, 0x1, 0x0, 0x0, 0x40000}, 0x0) r3 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r1) sendmsg$NBD_CMD_DISCONNECT(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f00000004c0)=ANY=[@ANYBLOB='~\x00\x00\x00', @ANYRES16=r3, @ANYBLOB="0100361d4841bbc2cf09f8760f270699702dbd7000fd", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB], 0x6c}}, 0x0) r4 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NL802154_CMD_SET_CCA_ED_LEVEL(r4, &(0x7f0000000b40)={&(0x7f0000000a80), 0xc, &(0x7f0000000b00)={&(0x7f0000000ac0)={0x14, 0x0, 0x1}, 0x14}}, 0x0) sendmsg$NL802154_CMD_SET_CCA_MODE(r4, &(0x7f0000000240)={&(0x7f0000000180)={0x10, 0x0, 0x0, 0x1000}, 0xc, &(0x7f0000000200)={&(0x7f00000001c0)={0x24, 0x0, 0x1, 0x70bd2c, 0x25dfdbfb, {}, [@NL802154_ATTR_CCA_MODE={0x8, 0xc, 0x5}, @NL802154_ATTR_CCA_MODE={0x8, 0xc, 0x4}]}, 0x24}, 0x1, 0x0, 0x0, 0x4000}, 0x40080) (async) sendmsg$NL802154_CMD_DEL_SEC_DEVKEY(r0, &(0x7f00000000c0)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x20000}, 0xc, &(0x7f0000000080)={&(0x7f0000000500)=ANY=[@ANYBLOB="b8d65fd1f8", @ANYRES16=0x0, @ANYBLOB="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"], 0x1b8}, 0x1, 0x0, 0x0, 0x90}, 0x80) (async) r5 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r6 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r7 = syz_genetlink_get_family_id$nl802154(&(0x7f00000013c0), 0xffffffffffffffff) sendmsg$NL802154_CMD_SET_CCA_MODE(r6, &(0x7f0000001500)={&(0x7f0000001380), 0xc, &(0x7f00000014c0)={&(0x7f0000001440)={0x24, r7, 0x1, 0x0, 0x0, {}, [@NL802154_ATTR_CCA_MODE={0x8}, @NL802154_ATTR_IFINDEX={0x8}]}, 0x24}}, 0x0) (async) sendmsg$NL802154_CMD_SET_CCA_ED_LEVEL(r5, &(0x7f0000000c40)={&(0x7f0000000a40)={0x10, 0x0, 0x0, 0x40}, 0xc, &(0x7f0000000bc0)={&(0x7f0000000b80)={0x1c, r7, 0xc20, 0x70bd25, 0x25dfdbfb, {}, [@NL802154_ATTR_CCA_ED_LEVEL={0x8, 0xe, 0x6}]}, 0x1c}, 0x1, 0x0, 0x0, 0x4000050}, 0x20000000) (async) r8 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NL802154_CMD_SET_ACKREQ_DEFAULT(r8, &(0x7f00000006c0)={&(0x7f0000000400)={0x10, 0x0, 0x0, 0x8000}, 0xc, &(0x7f0000000480)={&(0x7f0000000440)={0x20, r2, 0x8, 0x70bd2c, 0x25dfdbfc, {}, [@NL802154_ATTR_WPAN_DEV={0xc, 0x6, 0x3}]}, 0x20}, 0x1, 0x0, 0x0, 0x10}, 0x8000) (async) r9 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NL802154_CMD_SET_CCA_ED_LEVEL(r9, &(0x7f0000000b40)={&(0x7f0000000a80), 0xc, &(0x7f0000000b00)={&(0x7f0000000ac0)={0x14, 0x0, 0x1}, 0x14}}, 0x0) ioctl$sock_SIOCGIFINDEX_802154(r0, 0x8933, &(0x7f0000000740)={'wpan1\x00', 0x0}) r11 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) ioctl$sock_SIOCGIFINDEX_802154(r11, 0x8933, &(0x7f0000000740)={'wpan0\x00', 0x0}) (async) r13 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) r14 = syz_genetlink_get_family_id$nl802154(&(0x7f00000013c0), 0xffffffffffffffff) sendmsg$NL802154_CMD_GET_WPAN_PHY(r13, &(0x7f0000000cc0)={0x0, 0x0, &(0x7f0000000c80)={&(0x7f0000000c00)={0x30, r14, 0x421, 0x0, 0x0, {}, [@NL802154_ATTR_WPAN_PHY={0x8, 0x1, 0x2}, @NL802154_ATTR_IFINDEX={0x8, 0x3, r12}, @NL802154_ATTR_WPAN_DEV={0xc, 0x6, 0x100000001}]}, 0x30}}, 0x0) (async) sendmsg$NL802154_CMD_GET_INTERFACE(r9, &(0x7f0000000840)={&(0x7f0000000700)={0x10, 0x0, 0x0, 0x20200000}, 0xc, &(0x7f0000000800)={&(0x7f0000000780)={0x44, r2, 0x10, 0x70bd27, 0x25dfdbfd, {}, [@NL802154_ATTR_IFINDEX={0x8}, @NL802154_ATTR_IFINDEX={0x8, 0x3, r10}, @NL802154_ATTR_WPAN_DEV={0xc, 0x6, 0x3}, @NL802154_ATTR_WPAN_DEV={0xc, 0x6, 0x3}, @NL802154_ATTR_IFINDEX={0x8, 0x3, r12}]}, 0x44}, 0x1, 0x0, 0x0, 0x8000}, 0x20000040) (async) r15 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) ioctl$sock_SIOCGIFINDEX_802154(r8, 0x8933, &(0x7f0000000340)={'wpan3\x00', 0x0}) sendmsg$NL802154_CMD_DEL_SEC_DEV(r15, &(0x7f0000000a00)={&(0x7f0000000300)={0x10, 0x0, 0x0, 0x80000}, 0xc, &(0x7f0000000900)={&(0x7f0000000880)={0x4c, r2, 0x400, 0x70bd27, 0x25dfdbfb, {}, [@NL802154_ATTR_WPAN_DEV={0xc}, @NL802154_ATTR_SEC_DEVICE={0x10, 0x23, 0x0, 0x1, {0xc}}, @NL802154_ATTR_WPAN_DEV={0xc, 0x6, 0x200000003}, @NL802154_ATTR_IFINDEX={0x8, 0x3, r16}, @NL802154_ATTR_IFINDEX={0x8, 0x3, r10}]}, 0x4c}, 0x1, 0x0, 0x0, 0x4010}, 0x4) 12:26:38 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r0) sendmsg$NBD_CMD_DISCONNECT(0xffffffffffffffff, &(0x7f00000001c0)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x80000}, 0xc, &(0x7f0000000180)={&(0x7f00000000c0)={0x34, r1, 0x1, 0x70bd29, 0x25dfdbfb, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x6}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x1}]}, 0x34}, 0x1, 0x0, 0x0, 0x4000}, 0x4000004) 12:26:38 executing program 4: r0 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, 0xffffffffffffffff) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NL802154_CMD_SET_CCA_ED_LEVEL(r1, &(0x7f0000000b40)={&(0x7f0000000a80), 0xc, &(0x7f0000000b00)={&(0x7f0000000ac0)=ANY=[@ANYBLOB="1e230000", @ANYRES16=0x0, @ANYBLOB="010000000000000000000e000000"], 0x14}}, 0x0) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000180), 0xffffffffffffffff) sendmsg$NBD_CMD_RECONFIGURE(r1, &(0x7f0000000240)={&(0x7f0000000140)={0x10, 0x0, 0x0, 0x2}, 0xc, &(0x7f0000000200)={&(0x7f00000001c0)={0x20, r2, 0x100, 0x70bd27, 0x25dfdbfb, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}]}, 0x20}, 0x1, 0x0, 0x0, 0x8000}, 0x1) r3 = socket$netlink(0x10, 0x3, 0x7) sendmsg$TIPC_CMD_SET_NETID(r3, &(0x7f0000000d80)={0x0, 0x0, &(0x7f0000000d40)={&(0x7f0000000d00)={0x24, 0x0, 0x0, 0x0, 0x0, {{}, {}, {0x8}}}, 0x24}}, 0x0) ioctl$ifreq_SIOCGIFINDEX_vcan(r3, 0x8933, &(0x7f0000000280)={'vxcan0\x00'}) sendmsg$NL802154_CMD_SET_MAX_CSMA_BACKOFFS(0xffffffffffffffff, &(0x7f0000000100)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x8000000}, 0xc, &(0x7f00000000c0)={&(0x7f0000000080)={0x24, 0x0, 0x2, 0x70bd2c, 0x25dfdbfb, {}, [@NL802154_ATTR_MAX_CSMA_BACKOFFS={0x5, 0x12, 0x8}, @NL802154_ATTR_MAX_CSMA_BACKOFFS={0x5, 0x12, 0x8}]}, 0x24}}, 0x0) 12:26:38 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r1) sendmsg$NBD_CMD_DISCONNECT(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f00000004c0)=ANY=[@ANYBLOB="10000000", @ANYRES16=r2], 0x6c}}, 0x0) [ 358.871773] nbd: must specify an index to disconnect 12:26:38 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r1) sendmsg$NBD_CMD_DISCONNECT(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000000)=ANY=[@ANYBLOB='l\x00\x00\x00', @ANYRES16=r2, @ANYBLOB="01002dbd7000fddbdf25020000000c0003", @ANYRES32, @ANYBLOB="0800014036ece3"], 0x6c}}, 0x0) 12:26:38 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r0) sendmsg$NBD_CMD_DISCONNECT(0xffffffffffffffff, &(0x7f00000001c0)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x80000}, 0xc, &(0x7f0000000180)={&(0x7f00000000c0)={0x34, r1, 0x1, 0x70bd29, 0x25dfdbfb, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x6}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x1}]}, 0x34}, 0x1, 0x0, 0x0, 0x4000}, 0x4000004) 12:26:38 executing program 3: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) r1 = openat$vcsa(0xffffffffffffff9c, &(0x7f0000000140), 0x840, 0x0) r2 = socket$netlink(0x10, 0x3, 0x7) sendmsg$TIPC_CMD_SET_NETID(r2, &(0x7f0000000d80)={0x0, 0x0, &(0x7f0000000d40)={&(0x7f0000000d00)={0x24, 0x0, 0x0, 0x0, 0x0, {{}, {}, {0x8}}}, 0x24}}, 0x0) sendmsg$nl_route_sched(r2, &(0x7f0000000480)={&(0x7f0000000200)={0x10, 0x0, 0x0, 0x4000000}, 0xc, &(0x7f0000000440)={&(0x7f0000000240)=@gettaction={0x1c4, 0x32, 0x20, 0x70bd27, 0x25dfdbfc, {}, [@action_dump_flags=@TCA_ROOT_FLAGS={0xc}, @action_gd=@TCA_ACT_TAB={0x44, 0x1, [{0x14, 0x13, 0x0, 0x0, @TCA_ACT_KIND={0xf, 0x1, 'tunnel_key\x00'}}, {0xc, 0x13, 0x0, 0x0, @TCA_ACT_INDEX={0x8, 0x3, 0x7}}, {0x10, 0x1, 0x0, 0x0, @TCA_ACT_KIND={0x9, 0x1, 'vlan\x00'}}, {0x10, 0x1f, 0x0, 0x0, @TCA_ACT_KIND={0xa, 0x1, 'pedit\x00'}}]}, @action_dump_flags=@TCA_ROOT_TIME_DELTA={0x8, 0x4, 0x6}, @action_dump_flags=@TCA_ROOT_TIME_DELTA={0x8, 0x4, 0xffff}, @action_gd=@TCA_ACT_TAB={0x38, 0x1, [{0x14, 0x7, 0x0, 0x0, @TCA_ACT_KIND={0xf, 0x1, 'tunnel_key\x00'}}, {0xc, 0xd, 0x0, 0x0, @TCA_ACT_INDEX={0x8, 0x3, 0x80000000}}, {0x14, 0x17, 0x0, 0x0, @TCA_ACT_KIND={0xf, 0x1, 'tunnel_key\x00'}}]}, @action_dump_flags=@TCA_ROOT_TIME_DELTA={0x8, 0x4, 0x200}, @action_dump_flags=@TCA_ROOT_TIME_DELTA={0x8, 0x4, 0xf56}, @action_gd=@TCA_ACT_TAB={0x88, 0x1, [{0xc, 0x1b, 0x0, 0x0, @TCA_ACT_INDEX={0x8, 0x3, 0xfffffffa}}, {0x14, 0x1a, 0x0, 0x0, @TCA_ACT_KIND={0xf, 0x1, 'tunnel_key\x00'}}, {0x10, 0x10, 0x0, 0x0, @TCA_ACT_KIND={0x9, 0x1, 'vlan\x00'}}, {0x10, 0x1f, 0x0, 0x0, @TCA_ACT_KIND={0xb, 0x1, 'mirred\x00'}}, {0xc, 0x1, 0x0, 0x0, @TCA_ACT_INDEX={0x8, 0x3, 0x3}}, {0xc, 0xa, 0x0, 0x0, @TCA_ACT_KIND={0x8, 0x1, 'bpf\x00'}}, {0xc, 0x5, 0x0, 0x0, @TCA_ACT_INDEX={0x8, 0x3, 0xfffffe01}}, {0x10, 0x1f, 0x0, 0x0, @TCA_ACT_KIND={0x9, 0x1, 'gact\x00'}}, {0x10, 0x3, 0x0, 0x0, @TCA_ACT_KIND={0xb, 0x1, 'police\x00'}}]}, @action_gd=@TCA_ACT_TAB={0x80, 0x1, [{0x14, 0x14, 0x0, 0x0, @TCA_ACT_KIND={0xd, 0x1, 'connmark\x00'}}, {0xc, 0x3, 0x0, 0x0, @TCA_ACT_KIND={0x8, 0x1, 'ife\x00'}}, {0x14, 0x2, 0x0, 0x0, @TCA_ACT_KIND={0xf, 0x1, 'tunnel_key\x00'}}, {0x10, 0x5, 0x0, 0x0, @TCA_ACT_KIND={0xb, 0x1, 'skbmod\x00'}}, {0xc, 0x8, 0x0, 0x0, @TCA_ACT_INDEX={0x8, 0x3, 0x8}}, {0xc, 0x1c, 0x0, 0x0, @TCA_ACT_INDEX={0x8, 0x3, 0x2}}, {0x10, 0x5, 0x0, 0x0, @TCA_ACT_KIND={0xa, 0x1, 'pedit\x00'}}, {0x10, 0xa, 0x0, 0x0, @TCA_ACT_KIND={0xb, 0x1, 'police\x00'}}]}]}, 0x1c4}}, 0x80) ioctl$NBD_SET_SOCK(r1, 0xab00, 0xffffffffffffffff) sendmsg$TIPC_CMD_SET_NODE_ADDR(0xffffffffffffffff, &(0x7f0000000100)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x20000000}, 0xc, &(0x7f00000000c0)={&(0x7f0000000080)={0x16, 0x0, 0x4, 0x70bd2d, 0x25dfdbfb, {{}, {}, {0x8, 0x11, 0x101}}, ["", "", "", "", "", "", "", "", ""]}, 0x24}, 0x1, 0x0, 0x0, 0x4004040}, 0x20000804) r3 = openat$null(0xffffffffffffff9c, 0x0, 0x0, 0x0) mmap$perf(&(0x7f0000ffe000/0x2000)=nil, 0x2000, 0x0, 0x10, r3, 0x0) sendmsg$unix(r3, &(0x7f0000000840)={&(0x7f00000004c0)=@file={0x0, './file0\x00'}, 0x6e, &(0x7f0000000800)=[{&(0x7f0000000540)="0ab391cea993a02e6e0f1e6c98de876978b05ebe19ab13650a1e468919078dd65a0b7f8af5b9a6fc7e48e8c20244508838e9b541cd3d1714f9aaa05e412e74da76940f05415ed6e953d655ecb4277109415a48ee1b6266a9cc67e32589b1e5b80235a893458859ebd381ef251473e35c98721a4141d269363922153da1a997bbeee04077c05f66095edd6ce5bb7b9b9374877a2cd3b7ee8537a0a2122a4851cd86c937c577c1ebabe2fedfbce09152a40880103f7005954c8f298ccc394db89beecc9ac394011789c6cfd5f4f264ff70893675fb", 0xd4}, {&(0x7f0000000640)="4533f7bc68cf87f2ce32fc8b9d80090a960c2cebc4", 0x15}, {&(0x7f0000000680)="11a1c21d191ad7231d48fa7c7791f132a68af9cd62b9bf9337b2bb99e27fece6220aa29db3e633a4bc377d6a748b0778ad94673decfbccbd5ebb22f4b4f768da6f69e2172154e9161f7f80ad03c70ad378f9103b7e628c6a8777b1a31db933e19ed2394043b3e17a763f0386b8150a00ab", 0x71}, {&(0x7f0000000700)="eef211fa677dd68543d8bef7115c5b173fa63e7d45f083d765406d54058d09b6c998e2b43c49b15727a08acfd2fc297795e43a7d6a400a6bad51cba51258f0efb15e81dce1ca7bcf63db7b28f058a54a280e78b2aeb970f387bdba1cc2149c042382367d10c18e90dbf6ae4cd0bff5880c99996bd5dd8285f622e4db3df6faf58506e66473c7fc8f21cafa81a15064972dc25458a2d1df674f2b9cdfc8d909d916af358b10d9cd27b6b1affeb42a1d6ffe64f87e793a955a9170a232aba2bc88d0aeb74b502b664d1e71ccba740e44c8284573b307fe4fa379f9a7e18072be96387868dd942f429c0185d80c83edfb2ba2e0", 0xf2}], 0x4, 0x0, 0x0, 0x8094}, 0xc100) ioctl$NBD_SET_SOCK(r0, 0xab00, 0xffffffffffffffff) sendmsg$BATADV_CMD_GET_BLA_CLAIM(r1, &(0x7f0000000940)={&(0x7f0000000880)={0x10, 0x0, 0x0, 0x80000000}, 0xc, &(0x7f0000000900)={&(0x7f00000008c0)={0x24, 0x0, 0x800, 0x70bd2c, 0x25dfdbfe, {}, [@BATADV_ATTR_ISOLATION_MASK={0x8, 0x2c, 0x510f}, @BATADV_ATTR_GW_MODE={0x5, 0x33, 0x1}]}, 0x24}, 0x1, 0x0, 0x0, 0x811}, 0x4000000) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f00000001c0)) syz_open_dev$vivid(&(0x7f0000000180), 0x3, 0x2) [ 358.952065] nbd: must specify an index to disconnect 12:26:38 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r1) sendmsg$NBD_CMD_DISCONNECT(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f00000004c0)=ANY=[@ANYBLOB="10000000", @ANYRES16=r2, @ANYBLOB], 0x6c}}, 0x0) 12:26:38 executing program 4: r0 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, 0xffffffffffffffff) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NL802154_CMD_SET_CCA_ED_LEVEL(r1, &(0x7f0000000b40)={&(0x7f0000000a80), 0xc, &(0x7f0000000b00)={&(0x7f0000000ac0)=ANY=[@ANYBLOB="1e230000", @ANYRES16=0x0, @ANYBLOB="010000000000000000000e000000"], 0x14}}, 0x0) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000180), 0xffffffffffffffff) sendmsg$NBD_CMD_RECONFIGURE(r1, &(0x7f0000000240)={&(0x7f0000000140)={0x10, 0x0, 0x0, 0x2}, 0xc, &(0x7f0000000200)={&(0x7f00000001c0)={0x20, r2, 0x100, 0x70bd27, 0x25dfdbfb, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}]}, 0x20}, 0x1, 0x0, 0x0, 0x8000}, 0x1) r3 = socket$netlink(0x10, 0x3, 0x7) sendmsg$TIPC_CMD_SET_NETID(r3, &(0x7f0000000d80)={0x0, 0x0, &(0x7f0000000d40)={&(0x7f0000000d00)={0x24, 0x0, 0x0, 0x0, 0x0, {{}, {}, {0x8}}}, 0x24}}, 0x0) ioctl$ifreq_SIOCGIFINDEX_vcan(r3, 0x8933, &(0x7f0000000280)={'vxcan0\x00'}) sendmsg$NL802154_CMD_SET_MAX_CSMA_BACKOFFS(0xffffffffffffffff, &(0x7f0000000100)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x8000000}, 0xc, &(0x7f00000000c0)={&(0x7f0000000080)={0x24, 0x0, 0x2, 0x70bd2c, 0x25dfdbfb, {}, [@NL802154_ATTR_MAX_CSMA_BACKOFFS={0x5, 0x12, 0x8}, @NL802154_ATTR_MAX_CSMA_BACKOFFS={0x5, 0x12, 0x8}]}, 0x24}}, 0x0) syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) (async) ioctl$NBD_SET_SOCK(r0, 0xab00, 0xffffffffffffffff) (async) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) sendmsg$NL802154_CMD_SET_CCA_ED_LEVEL(r1, &(0x7f0000000b40)={&(0x7f0000000a80), 0xc, &(0x7f0000000b00)={&(0x7f0000000ac0)=ANY=[@ANYBLOB="1e230000", @ANYRES16=0x0, @ANYBLOB="010000000000000000000e000000"], 0x14}}, 0x0) (async) syz_genetlink_get_family_id$nbd(&(0x7f0000000180), 0xffffffffffffffff) (async) sendmsg$NBD_CMD_RECONFIGURE(r1, &(0x7f0000000240)={&(0x7f0000000140)={0x10, 0x0, 0x0, 0x2}, 0xc, &(0x7f0000000200)={&(0x7f00000001c0)={0x20, r2, 0x100, 0x70bd27, 0x25dfdbfb, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}]}, 0x20}, 0x1, 0x0, 0x0, 0x8000}, 0x1) (async) socket$netlink(0x10, 0x3, 0x7) (async) sendmsg$TIPC_CMD_SET_NETID(r3, &(0x7f0000000d80)={0x0, 0x0, &(0x7f0000000d40)={&(0x7f0000000d00)={0x24, 0x0, 0x0, 0x0, 0x0, {{}, {}, {0x8}}}, 0x24}}, 0x0) (async) ioctl$ifreq_SIOCGIFINDEX_vcan(r3, 0x8933, &(0x7f0000000280)={'vxcan0\x00'}) (async) sendmsg$NL802154_CMD_SET_MAX_CSMA_BACKOFFS(0xffffffffffffffff, &(0x7f0000000100)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x8000000}, 0xc, &(0x7f00000000c0)={&(0x7f0000000080)={0x24, 0x0, 0x2, 0x70bd2c, 0x25dfdbfb, {}, [@NL802154_ATTR_MAX_CSMA_BACKOFFS={0x5, 0x12, 0x8}, @NL802154_ATTR_MAX_CSMA_BACKOFFS={0x5, 0x12, 0x8}]}, 0x24}}, 0x0) (async) 12:26:38 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r1) sendmsg$NBD_CMD_DISCONNECT(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000000)=ANY=[@ANYBLOB='l\x00\x00\x00', @ANYRES16=r2, @ANYBLOB="01002dbd7000fddbdf25020000000c0003", @ANYRES32, @ANYBLOB="0800014036ece3"], 0x6c}}, 0x0) 12:26:38 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r0) sendmsg$NBD_CMD_DISCONNECT(0xffffffffffffffff, &(0x7f00000001c0)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x80000}, 0xc, &(0x7f0000000180)={&(0x7f00000000c0)={0x34, r1, 0x1, 0x70bd29, 0x25dfdbfb, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x6}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x1}]}, 0x34}, 0x1, 0x0, 0x0, 0x4000}, 0x4000004) 12:26:38 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r1) sendmsg$NBD_CMD_DISCONNECT(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f00000004c0)=ANY=[@ANYBLOB='l\x00\x00\x00', @ANYRES16=r2, @ANYBLOB="01002dbd7000fddbdf25020000000c00030001000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB], 0x6c}}, 0x0) r3 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r0) r4 = openat$null(0xffffffffffffff9c, &(0x7f00000000c0), 0x4000, 0x0) r5 = openat$null(0xffffffffffffff9c, 0x0, 0x0, 0x0) mmap$perf(&(0x7f0000ffe000/0x2000)=nil, 0x2000, 0x0, 0x10, r5, 0x0) r6 = openat$null(0xffffffffffffff9c, 0x0, 0x0, 0x0) mmap$perf(&(0x7f0000ffe000/0x2000)=nil, 0x2000, 0x0, 0x10, r6, 0x0) r7 = openat$vcsa(0xffffffffffffff9c, &(0x7f0000000180), 0x20041, 0x0) r8 = openat$null(0xffffffffffffff9c, 0x0, 0x0, 0x0) mmap$perf(&(0x7f0000ffe000/0x2000)=nil, 0x2000, 0x0, 0x10, r8, 0x0) ioctl$PERF_EVENT_IOC_SET_OUTPUT(r6, 0x2405, r4) sendmsg$NBD_CMD_DISCONNECT(r0, &(0x7f0000000300)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x4}, 0xc, &(0x7f00000002c0)={&(0x7f00000001c0)={0xd8, r3, 0x100, 0x70bd26, 0x25dfdbfe, {}, [@NBD_ATTR_SOCKETS={0x34, 0x7, 0x0, 0x1, [{0x8}, {0x8, 0x1, r4}, {0x8, 0x1, r5}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x1}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x100000001}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x100000000}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x20}, @NBD_ATTR_SOCKETS={0x34, 0x7, 0x0, 0x1, [{0x8, 0x1, r6}, {0x8, 0x1, r7}, {0x8}, {0x8}, {0x8}, {0x8, 0x1, r8}]}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x9}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x100}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc}]}, 0xd8}, 0x1, 0x0, 0x0, 0x800}, 0x20000000) mmap$perf(&(0x7f0000ffe000/0x2000)=nil, 0x2000, 0x3, 0x4000010, 0xffffffffffffffff, 0x80000000) r9 = openat$null(0xffffffffffffff9c, 0x0, 0x0, 0x0) r10 = syz_genetlink_get_family_id$nl802154(&(0x7f0000000380), r1) ioctl$sock_SIOCGIFINDEX_802154(r1, 0x8933, &(0x7f00000003c0)={'wpan3\x00', 0x0}) sendmsg$NL802154_CMD_DEL_SEC_LEVEL(r0, &(0x7f0000000480)={&(0x7f0000000340)={0x10, 0x0, 0x0, 0x800}, 0xc, &(0x7f0000000440)={&(0x7f0000000400)={0x28, r10, 0x300, 0x70bd2a, 0x25dfdbff, {}, [@NL802154_ATTR_WPAN_DEV={0xc, 0x6, 0x2}, @NL802154_ATTR_IFINDEX={0x8, 0x3, r11}]}, 0x28}, 0x1, 0x0, 0x0, 0x8000000}, 0x10) mmap$perf(&(0x7f0000ffe000/0x2000)=nil, 0x2000, 0x0, 0x10, r9, 0x0) ioctl$PERF_EVENT_IOC_REFRESH(r9, 0x2402, 0xa3) 12:26:38 executing program 3: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) (async, rerun: 32) r1 = openat$vcsa(0xffffffffffffff9c, &(0x7f0000000140), 0x840, 0x0) (async, rerun: 32) r2 = socket$netlink(0x10, 0x3, 0x7) sendmsg$TIPC_CMD_SET_NETID(r2, &(0x7f0000000d80)={0x0, 0x0, &(0x7f0000000d40)={&(0x7f0000000d00)={0x24, 0x0, 0x0, 0x0, 0x0, {{}, {}, {0x8}}}, 0x24}}, 0x0) (async) sendmsg$nl_route_sched(r2, &(0x7f0000000480)={&(0x7f0000000200)={0x10, 0x0, 0x0, 0x4000000}, 0xc, &(0x7f0000000440)={&(0x7f0000000240)=@gettaction={0x1c4, 0x32, 0x20, 0x70bd27, 0x25dfdbfc, {}, [@action_dump_flags=@TCA_ROOT_FLAGS={0xc}, @action_gd=@TCA_ACT_TAB={0x44, 0x1, [{0x14, 0x13, 0x0, 0x0, @TCA_ACT_KIND={0xf, 0x1, 'tunnel_key\x00'}}, {0xc, 0x13, 0x0, 0x0, @TCA_ACT_INDEX={0x8, 0x3, 0x7}}, {0x10, 0x1, 0x0, 0x0, @TCA_ACT_KIND={0x9, 0x1, 'vlan\x00'}}, {0x10, 0x1f, 0x0, 0x0, @TCA_ACT_KIND={0xa, 0x1, 'pedit\x00'}}]}, @action_dump_flags=@TCA_ROOT_TIME_DELTA={0x8, 0x4, 0x6}, @action_dump_flags=@TCA_ROOT_TIME_DELTA={0x8, 0x4, 0xffff}, @action_gd=@TCA_ACT_TAB={0x38, 0x1, [{0x14, 0x7, 0x0, 0x0, @TCA_ACT_KIND={0xf, 0x1, 'tunnel_key\x00'}}, {0xc, 0xd, 0x0, 0x0, @TCA_ACT_INDEX={0x8, 0x3, 0x80000000}}, {0x14, 0x17, 0x0, 0x0, @TCA_ACT_KIND={0xf, 0x1, 'tunnel_key\x00'}}]}, @action_dump_flags=@TCA_ROOT_TIME_DELTA={0x8, 0x4, 0x200}, @action_dump_flags=@TCA_ROOT_TIME_DELTA={0x8, 0x4, 0xf56}, @action_gd=@TCA_ACT_TAB={0x88, 0x1, [{0xc, 0x1b, 0x0, 0x0, @TCA_ACT_INDEX={0x8, 0x3, 0xfffffffa}}, {0x14, 0x1a, 0x0, 0x0, @TCA_ACT_KIND={0xf, 0x1, 'tunnel_key\x00'}}, {0x10, 0x10, 0x0, 0x0, @TCA_ACT_KIND={0x9, 0x1, 'vlan\x00'}}, {0x10, 0x1f, 0x0, 0x0, @TCA_ACT_KIND={0xb, 0x1, 'mirred\x00'}}, {0xc, 0x1, 0x0, 0x0, @TCA_ACT_INDEX={0x8, 0x3, 0x3}}, {0xc, 0xa, 0x0, 0x0, @TCA_ACT_KIND={0x8, 0x1, 'bpf\x00'}}, {0xc, 0x5, 0x0, 0x0, @TCA_ACT_INDEX={0x8, 0x3, 0xfffffe01}}, {0x10, 0x1f, 0x0, 0x0, @TCA_ACT_KIND={0x9, 0x1, 'gact\x00'}}, {0x10, 0x3, 0x0, 0x0, @TCA_ACT_KIND={0xb, 0x1, 'police\x00'}}]}, @action_gd=@TCA_ACT_TAB={0x80, 0x1, [{0x14, 0x14, 0x0, 0x0, @TCA_ACT_KIND={0xd, 0x1, 'connmark\x00'}}, {0xc, 0x3, 0x0, 0x0, @TCA_ACT_KIND={0x8, 0x1, 'ife\x00'}}, {0x14, 0x2, 0x0, 0x0, @TCA_ACT_KIND={0xf, 0x1, 'tunnel_key\x00'}}, {0x10, 0x5, 0x0, 0x0, @TCA_ACT_KIND={0xb, 0x1, 'skbmod\x00'}}, {0xc, 0x8, 0x0, 0x0, @TCA_ACT_INDEX={0x8, 0x3, 0x8}}, {0xc, 0x1c, 0x0, 0x0, @TCA_ACT_INDEX={0x8, 0x3, 0x2}}, {0x10, 0x5, 0x0, 0x0, @TCA_ACT_KIND={0xa, 0x1, 'pedit\x00'}}, {0x10, 0xa, 0x0, 0x0, @TCA_ACT_KIND={0xb, 0x1, 'police\x00'}}]}]}, 0x1c4}}, 0x80) ioctl$NBD_SET_SOCK(r1, 0xab00, 0xffffffffffffffff) (async, rerun: 32) sendmsg$TIPC_CMD_SET_NODE_ADDR(0xffffffffffffffff, &(0x7f0000000100)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x20000000}, 0xc, &(0x7f00000000c0)={&(0x7f0000000080)={0x16, 0x0, 0x4, 0x70bd2d, 0x25dfdbfb, {{}, {}, {0x8, 0x11, 0x101}}, ["", "", "", "", "", "", "", "", ""]}, 0x24}, 0x1, 0x0, 0x0, 0x4004040}, 0x20000804) (rerun: 32) r3 = openat$null(0xffffffffffffff9c, 0x0, 0x0, 0x0) mmap$perf(&(0x7f0000ffe000/0x2000)=nil, 0x2000, 0x0, 0x10, r3, 0x0) sendmsg$unix(r3, &(0x7f0000000840)={&(0x7f00000004c0)=@file={0x0, './file0\x00'}, 0x6e, &(0x7f0000000800)=[{&(0x7f0000000540)="0ab391cea993a02e6e0f1e6c98de876978b05ebe19ab13650a1e468919078dd65a0b7f8af5b9a6fc7e48e8c20244508838e9b541cd3d1714f9aaa05e412e74da76940f05415ed6e953d655ecb4277109415a48ee1b6266a9cc67e32589b1e5b80235a893458859ebd381ef251473e35c98721a4141d269363922153da1a997bbeee04077c05f66095edd6ce5bb7b9b9374877a2cd3b7ee8537a0a2122a4851cd86c937c577c1ebabe2fedfbce09152a40880103f7005954c8f298ccc394db89beecc9ac394011789c6cfd5f4f264ff70893675fb", 0xd4}, {&(0x7f0000000640)="4533f7bc68cf87f2ce32fc8b9d80090a960c2cebc4", 0x15}, {&(0x7f0000000680)="11a1c21d191ad7231d48fa7c7791f132a68af9cd62b9bf9337b2bb99e27fece6220aa29db3e633a4bc377d6a748b0778ad94673decfbccbd5ebb22f4b4f768da6f69e2172154e9161f7f80ad03c70ad378f9103b7e628c6a8777b1a31db933e19ed2394043b3e17a763f0386b8150a00ab", 0x71}, {&(0x7f0000000700)="eef211fa677dd68543d8bef7115c5b173fa63e7d45f083d765406d54058d09b6c998e2b43c49b15727a08acfd2fc297795e43a7d6a400a6bad51cba51258f0efb15e81dce1ca7bcf63db7b28f058a54a280e78b2aeb970f387bdba1cc2149c042382367d10c18e90dbf6ae4cd0bff5880c99996bd5dd8285f622e4db3df6faf58506e66473c7fc8f21cafa81a15064972dc25458a2d1df674f2b9cdfc8d909d916af358b10d9cd27b6b1affeb42a1d6ffe64f87e793a955a9170a232aba2bc88d0aeb74b502b664d1e71ccba740e44c8284573b307fe4fa379f9a7e18072be96387868dd942f429c0185d80c83edfb2ba2e0", 0xf2}], 0x4, 0x0, 0x0, 0x8094}, 0xc100) (async, rerun: 32) ioctl$NBD_SET_SOCK(r0, 0xab00, 0xffffffffffffffff) (async, rerun: 32) sendmsg$BATADV_CMD_GET_BLA_CLAIM(r1, &(0x7f0000000940)={&(0x7f0000000880)={0x10, 0x0, 0x0, 0x80000000}, 0xc, &(0x7f0000000900)={&(0x7f00000008c0)={0x24, 0x0, 0x800, 0x70bd2c, 0x25dfdbfe, {}, [@BATADV_ATTR_ISOLATION_MASK={0x8, 0x2c, 0x510f}, @BATADV_ATTR_GW_MODE={0x5, 0x33, 0x1}]}, 0x24}, 0x1, 0x0, 0x0, 0x811}, 0x4000000) (async) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f00000001c0)) (async) syz_open_dev$vivid(&(0x7f0000000180), 0x3, 0x2) 12:26:38 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r1) sendmsg$NBD_CMD_DISCONNECT(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f00000004c0)=ANY=[@ANYBLOB="10000000", @ANYRES16=r2, @ANYBLOB], 0x6c}}, 0x0) 12:26:38 executing program 4: r0 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, 0xffffffffffffffff) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NL802154_CMD_SET_CCA_ED_LEVEL(r1, &(0x7f0000000b40)={&(0x7f0000000a80), 0xc, &(0x7f0000000b00)={&(0x7f0000000ac0)=ANY=[@ANYBLOB="1e230000", @ANYRES16=0x0, @ANYBLOB="010000000000000000000e000000"], 0x14}}, 0x0) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000180), 0xffffffffffffffff) sendmsg$NBD_CMD_RECONFIGURE(r1, &(0x7f0000000240)={&(0x7f0000000140)={0x10, 0x0, 0x0, 0x2}, 0xc, &(0x7f0000000200)={&(0x7f00000001c0)={0x20, r2, 0x100, 0x70bd27, 0x25dfdbfb, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}]}, 0x20}, 0x1, 0x0, 0x0, 0x8000}, 0x1) (async) r3 = socket$netlink(0x10, 0x3, 0x7) sendmsg$TIPC_CMD_SET_NETID(r3, &(0x7f0000000d80)={0x0, 0x0, &(0x7f0000000d40)={&(0x7f0000000d00)={0x24, 0x0, 0x0, 0x0, 0x0, {{}, {}, {0x8}}}, 0x24}}, 0x0) (async) ioctl$ifreq_SIOCGIFINDEX_vcan(r3, 0x8933, &(0x7f0000000280)={'vxcan0\x00'}) (async, rerun: 64) sendmsg$NL802154_CMD_SET_MAX_CSMA_BACKOFFS(0xffffffffffffffff, &(0x7f0000000100)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x8000000}, 0xc, &(0x7f00000000c0)={&(0x7f0000000080)={0x24, 0x0, 0x2, 0x70bd2c, 0x25dfdbfb, {}, [@NL802154_ATTR_MAX_CSMA_BACKOFFS={0x5, 0x12, 0x8}, @NL802154_ATTR_MAX_CSMA_BACKOFFS={0x5, 0x12, 0x8}]}, 0x24}}, 0x0) (rerun: 64) 12:26:38 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(0x0, r1) sendmsg$NBD_CMD_DISCONNECT(r0, &(0x7f00000001c0)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x80000}, 0xc, &(0x7f0000000180)={&(0x7f00000000c0)={0x34, r2, 0x1, 0x70bd29, 0x25dfdbfb, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x6}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x1}]}, 0x34}, 0x1, 0x0, 0x0, 0x4000}, 0x4000004) 12:26:38 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r1) sendmsg$NBD_CMD_DISCONNECT(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000000)=ANY=[@ANYBLOB='l\x00\x00\x00', @ANYRES16=r2, @ANYBLOB="01002dbd7000fddbdf25020000000c0003000100", @ANYRES32, @ANYBLOB="0800014036ece3"], 0x6c}}, 0x0) [ 359.107209] nbd: must specify an index to disconnect [ 359.123688] nbd: couldn't find device at index -1 12:26:38 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r1) sendmsg$NBD_CMD_DISCONNECT(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f00000004c0)=ANY=[@ANYBLOB="10000000", @ANYRES16=r2, @ANYBLOB], 0x6c}}, 0x0) 12:26:38 executing program 3: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) r1 = openat$vcsa(0xffffffffffffff9c, &(0x7f0000000140), 0x840, 0x0) (async) r2 = socket$netlink(0x10, 0x3, 0x7) sendmsg$TIPC_CMD_SET_NETID(r2, &(0x7f0000000d80)={0x0, 0x0, &(0x7f0000000d40)={&(0x7f0000000d00)={0x24, 0x0, 0x0, 0x0, 0x0, {{}, {}, {0x8}}}, 0x24}}, 0x0) (async) sendmsg$nl_route_sched(r2, &(0x7f0000000480)={&(0x7f0000000200)={0x10, 0x0, 0x0, 0x4000000}, 0xc, &(0x7f0000000440)={&(0x7f0000000240)=@gettaction={0x1c4, 0x32, 0x20, 0x70bd27, 0x25dfdbfc, {}, [@action_dump_flags=@TCA_ROOT_FLAGS={0xc}, @action_gd=@TCA_ACT_TAB={0x44, 0x1, [{0x14, 0x13, 0x0, 0x0, @TCA_ACT_KIND={0xf, 0x1, 'tunnel_key\x00'}}, {0xc, 0x13, 0x0, 0x0, @TCA_ACT_INDEX={0x8, 0x3, 0x7}}, {0x10, 0x1, 0x0, 0x0, @TCA_ACT_KIND={0x9, 0x1, 'vlan\x00'}}, {0x10, 0x1f, 0x0, 0x0, @TCA_ACT_KIND={0xa, 0x1, 'pedit\x00'}}]}, @action_dump_flags=@TCA_ROOT_TIME_DELTA={0x8, 0x4, 0x6}, @action_dump_flags=@TCA_ROOT_TIME_DELTA={0x8, 0x4, 0xffff}, @action_gd=@TCA_ACT_TAB={0x38, 0x1, [{0x14, 0x7, 0x0, 0x0, @TCA_ACT_KIND={0xf, 0x1, 'tunnel_key\x00'}}, {0xc, 0xd, 0x0, 0x0, @TCA_ACT_INDEX={0x8, 0x3, 0x80000000}}, {0x14, 0x17, 0x0, 0x0, @TCA_ACT_KIND={0xf, 0x1, 'tunnel_key\x00'}}]}, @action_dump_flags=@TCA_ROOT_TIME_DELTA={0x8, 0x4, 0x200}, @action_dump_flags=@TCA_ROOT_TIME_DELTA={0x8, 0x4, 0xf56}, @action_gd=@TCA_ACT_TAB={0x88, 0x1, [{0xc, 0x1b, 0x0, 0x0, @TCA_ACT_INDEX={0x8, 0x3, 0xfffffffa}}, {0x14, 0x1a, 0x0, 0x0, @TCA_ACT_KIND={0xf, 0x1, 'tunnel_key\x00'}}, {0x10, 0x10, 0x0, 0x0, @TCA_ACT_KIND={0x9, 0x1, 'vlan\x00'}}, {0x10, 0x1f, 0x0, 0x0, @TCA_ACT_KIND={0xb, 0x1, 'mirred\x00'}}, {0xc, 0x1, 0x0, 0x0, @TCA_ACT_INDEX={0x8, 0x3, 0x3}}, {0xc, 0xa, 0x0, 0x0, @TCA_ACT_KIND={0x8, 0x1, 'bpf\x00'}}, {0xc, 0x5, 0x0, 0x0, @TCA_ACT_INDEX={0x8, 0x3, 0xfffffe01}}, {0x10, 0x1f, 0x0, 0x0, @TCA_ACT_KIND={0x9, 0x1, 'gact\x00'}}, {0x10, 0x3, 0x0, 0x0, @TCA_ACT_KIND={0xb, 0x1, 'police\x00'}}]}, @action_gd=@TCA_ACT_TAB={0x80, 0x1, [{0x14, 0x14, 0x0, 0x0, @TCA_ACT_KIND={0xd, 0x1, 'connmark\x00'}}, {0xc, 0x3, 0x0, 0x0, @TCA_ACT_KIND={0x8, 0x1, 'ife\x00'}}, {0x14, 0x2, 0x0, 0x0, @TCA_ACT_KIND={0xf, 0x1, 'tunnel_key\x00'}}, {0x10, 0x5, 0x0, 0x0, @TCA_ACT_KIND={0xb, 0x1, 'skbmod\x00'}}, {0xc, 0x8, 0x0, 0x0, @TCA_ACT_INDEX={0x8, 0x3, 0x8}}, {0xc, 0x1c, 0x0, 0x0, @TCA_ACT_INDEX={0x8, 0x3, 0x2}}, {0x10, 0x5, 0x0, 0x0, @TCA_ACT_KIND={0xa, 0x1, 'pedit\x00'}}, {0x10, 0xa, 0x0, 0x0, @TCA_ACT_KIND={0xb, 0x1, 'police\x00'}}]}]}, 0x1c4}}, 0x80) (async) ioctl$NBD_SET_SOCK(r1, 0xab00, 0xffffffffffffffff) sendmsg$TIPC_CMD_SET_NODE_ADDR(0xffffffffffffffff, &(0x7f0000000100)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x20000000}, 0xc, &(0x7f00000000c0)={&(0x7f0000000080)={0x16, 0x0, 0x4, 0x70bd2d, 0x25dfdbfb, {{}, {}, {0x8, 0x11, 0x101}}, ["", "", "", "", "", "", "", "", ""]}, 0x24}, 0x1, 0x0, 0x0, 0x4004040}, 0x20000804) (async) r3 = openat$null(0xffffffffffffff9c, 0x0, 0x0, 0x0) mmap$perf(&(0x7f0000ffe000/0x2000)=nil, 0x2000, 0x0, 0x10, r3, 0x0) (async) sendmsg$unix(r3, &(0x7f0000000840)={&(0x7f00000004c0)=@file={0x0, './file0\x00'}, 0x6e, &(0x7f0000000800)=[{&(0x7f0000000540)="0ab391cea993a02e6e0f1e6c98de876978b05ebe19ab13650a1e468919078dd65a0b7f8af5b9a6fc7e48e8c20244508838e9b541cd3d1714f9aaa05e412e74da76940f05415ed6e953d655ecb4277109415a48ee1b6266a9cc67e32589b1e5b80235a893458859ebd381ef251473e35c98721a4141d269363922153da1a997bbeee04077c05f66095edd6ce5bb7b9b9374877a2cd3b7ee8537a0a2122a4851cd86c937c577c1ebabe2fedfbce09152a40880103f7005954c8f298ccc394db89beecc9ac394011789c6cfd5f4f264ff70893675fb", 0xd4}, {&(0x7f0000000640)="4533f7bc68cf87f2ce32fc8b9d80090a960c2cebc4", 0x15}, {&(0x7f0000000680)="11a1c21d191ad7231d48fa7c7791f132a68af9cd62b9bf9337b2bb99e27fece6220aa29db3e633a4bc377d6a748b0778ad94673decfbccbd5ebb22f4b4f768da6f69e2172154e9161f7f80ad03c70ad378f9103b7e628c6a8777b1a31db933e19ed2394043b3e17a763f0386b8150a00ab", 0x71}, {&(0x7f0000000700)="eef211fa677dd68543d8bef7115c5b173fa63e7d45f083d765406d54058d09b6c998e2b43c49b15727a08acfd2fc297795e43a7d6a400a6bad51cba51258f0efb15e81dce1ca7bcf63db7b28f058a54a280e78b2aeb970f387bdba1cc2149c042382367d10c18e90dbf6ae4cd0bff5880c99996bd5dd8285f622e4db3df6faf58506e66473c7fc8f21cafa81a15064972dc25458a2d1df674f2b9cdfc8d909d916af358b10d9cd27b6b1affeb42a1d6ffe64f87e793a955a9170a232aba2bc88d0aeb74b502b664d1e71ccba740e44c8284573b307fe4fa379f9a7e18072be96387868dd942f429c0185d80c83edfb2ba2e0", 0xf2}], 0x4, 0x0, 0x0, 0x8094}, 0xc100) (async) ioctl$NBD_SET_SOCK(r0, 0xab00, 0xffffffffffffffff) sendmsg$BATADV_CMD_GET_BLA_CLAIM(r1, &(0x7f0000000940)={&(0x7f0000000880)={0x10, 0x0, 0x0, 0x80000000}, 0xc, &(0x7f0000000900)={&(0x7f00000008c0)={0x24, 0x0, 0x800, 0x70bd2c, 0x25dfdbfe, {}, [@BATADV_ATTR_ISOLATION_MASK={0x8, 0x2c, 0x510f}, @BATADV_ATTR_GW_MODE={0x5, 0x33, 0x1}]}, 0x24}, 0x1, 0x0, 0x0, 0x811}, 0x4000000) (async) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f00000001c0)) (async) syz_open_dev$vivid(&(0x7f0000000180), 0x3, 0x2) 12:26:38 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(0x0, r1) sendmsg$NBD_CMD_DISCONNECT(r0, &(0x7f00000001c0)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x80000}, 0xc, &(0x7f0000000180)={&(0x7f00000000c0)={0x34, r2, 0x1, 0x70bd29, 0x25dfdbfb, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x6}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x1}]}, 0x34}, 0x1, 0x0, 0x0, 0x4000}, 0x4000004) 12:26:38 executing program 4: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x40b01) ioctl$NBD_SET_SOCK(r0, 0xab00, 0xffffffffffffffff) sendmsg$nl_route_sched(0xffffffffffffffff, &(0x7f0000000100)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x4000000}, 0xc, &(0x7f00000000c0)={&(0x7f0000000080)=@getchain={0x2c, 0x66, 0x200, 0x70bd2a, 0x25dfdbfc, {0x0, 0x0, 0x0, 0x0, {0x4, 0xf}, {0x9, 0xe}, {0xfff3, 0xfff1}}, [{0x8, 0xb, 0x81}]}, 0x2c}}, 0x4) 12:26:38 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r1) sendmsg$NBD_CMD_DISCONNECT(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f00000004c0)=ANY=[@ANYBLOB='l\x00\x00\x00', @ANYRES16=r2, @ANYBLOB="01002dbd7000fddbdf25020000000c00030001000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB], 0x6c}}, 0x0) r3 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r0) (async) r4 = openat$null(0xffffffffffffff9c, &(0x7f00000000c0), 0x4000, 0x0) (async) r5 = openat$null(0xffffffffffffff9c, 0x0, 0x0, 0x0) mmap$perf(&(0x7f0000ffe000/0x2000)=nil, 0x2000, 0x0, 0x10, r5, 0x0) (async) r6 = openat$null(0xffffffffffffff9c, 0x0, 0x0, 0x0) mmap$perf(&(0x7f0000ffe000/0x2000)=nil, 0x2000, 0x0, 0x10, r6, 0x0) (async) r7 = openat$vcsa(0xffffffffffffff9c, &(0x7f0000000180), 0x20041, 0x0) (async) r8 = openat$null(0xffffffffffffff9c, 0x0, 0x0, 0x0) mmap$perf(&(0x7f0000ffe000/0x2000)=nil, 0x2000, 0x0, 0x10, r8, 0x0) ioctl$PERF_EVENT_IOC_SET_OUTPUT(r6, 0x2405, r4) (async) sendmsg$NBD_CMD_DISCONNECT(r0, &(0x7f0000000300)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x4}, 0xc, &(0x7f00000002c0)={&(0x7f00000001c0)={0xd8, r3, 0x100, 0x70bd26, 0x25dfdbfe, {}, [@NBD_ATTR_SOCKETS={0x34, 0x7, 0x0, 0x1, [{0x8}, {0x8, 0x1, r4}, {0x8, 0x1, r5}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x1}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x100000001}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x100000000}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x20}, @NBD_ATTR_SOCKETS={0x34, 0x7, 0x0, 0x1, [{0x8, 0x1, r6}, {0x8, 0x1, r7}, {0x8}, {0x8}, {0x8}, {0x8, 0x1, r8}]}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x9}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x100}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc}]}, 0xd8}, 0x1, 0x0, 0x0, 0x800}, 0x20000000) mmap$perf(&(0x7f0000ffe000/0x2000)=nil, 0x2000, 0x3, 0x4000010, 0xffffffffffffffff, 0x80000000) r9 = openat$null(0xffffffffffffff9c, 0x0, 0x0, 0x0) (async) r10 = syz_genetlink_get_family_id$nl802154(&(0x7f0000000380), r1) (async) ioctl$sock_SIOCGIFINDEX_802154(r1, 0x8933, &(0x7f00000003c0)={'wpan3\x00', 0x0}) sendmsg$NL802154_CMD_DEL_SEC_LEVEL(r0, &(0x7f0000000480)={&(0x7f0000000340)={0x10, 0x0, 0x0, 0x800}, 0xc, &(0x7f0000000440)={&(0x7f0000000400)={0x28, r10, 0x300, 0x70bd2a, 0x25dfdbff, {}, [@NL802154_ATTR_WPAN_DEV={0xc, 0x6, 0x2}, @NL802154_ATTR_IFINDEX={0x8, 0x3, r11}]}, 0x28}, 0x1, 0x0, 0x0, 0x8000000}, 0x10) (async) mmap$perf(&(0x7f0000ffe000/0x2000)=nil, 0x2000, 0x0, 0x10, r9, 0x0) ioctl$PERF_EVENT_IOC_REFRESH(r9, 0x2402, 0xa3) [ 359.212552] nbd: must specify an index to disconnect 12:26:38 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r1) sendmsg$NBD_CMD_DISCONNECT(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000000)=ANY=[@ANYBLOB='l\x00\x00\x00', @ANYRES16=r2, @ANYBLOB="01002dbd7000fddbdf25020000000c0003000100", @ANYRES32, @ANYBLOB="0800014036ece3"], 0x6c}}, 0x0) 12:26:38 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r1) sendmsg$NBD_CMD_DISCONNECT(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f00000004c0)=ANY=[@ANYBLOB="10000000", @ANYRES16=r2, @ANYBLOB="01002dbd7000fddbdf2502"], 0x6c}}, 0x0) 12:26:38 executing program 3: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, 0xffffffffffffffff) r1 = openat$null(0xffffffffffffff9c, 0x0, 0x0, 0x0) mmap$perf(&(0x7f0000ffe000/0x2000)=nil, 0x2000, 0x0, 0x10, r1, 0x0) r2 = openat$null(0xffffffffffffff9c, 0x0, 0x0, 0x0) mmap$perf(&(0x7f0000ffe000/0x2000)=nil, 0x2000, 0x0, 0x10, r2, 0x0) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) 12:26:38 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(0x0, r1) sendmsg$NBD_CMD_DISCONNECT(r0, &(0x7f00000001c0)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x80000}, 0xc, &(0x7f0000000180)={&(0x7f00000000c0)={0x34, r2, 0x1, 0x70bd29, 0x25dfdbfb, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x6}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x1}]}, 0x34}, 0x1, 0x0, 0x0, 0x4000}, 0x4000004) 12:26:38 executing program 4: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x40b01) ioctl$NBD_SET_SOCK(r0, 0xab00, 0xffffffffffffffff) sendmsg$nl_route_sched(0xffffffffffffffff, &(0x7f0000000100)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x4000000}, 0xc, &(0x7f00000000c0)={&(0x7f0000000080)=@getchain={0x2c, 0x66, 0x200, 0x70bd2a, 0x25dfdbfc, {0x0, 0x0, 0x0, 0x0, {0x4, 0xf}, {0x9, 0xe}, {0xfff3, 0xfff1}}, [{0x8, 0xb, 0x81}]}, 0x2c}}, 0x4) syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x40b01) (async) ioctl$NBD_SET_SOCK(r0, 0xab00, 0xffffffffffffffff) (async) sendmsg$nl_route_sched(0xffffffffffffffff, &(0x7f0000000100)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x4000000}, 0xc, &(0x7f00000000c0)={&(0x7f0000000080)=@getchain={0x2c, 0x66, 0x200, 0x70bd2a, 0x25dfdbfc, {0x0, 0x0, 0x0, 0x0, {0x4, 0xf}, {0x9, 0xe}, {0xfff3, 0xfff1}}, [{0x8, 0xb, 0x81}]}, 0x2c}}, 0x4) (async) [ 359.307159] nbd: couldn't find device at index -1 12:26:38 executing program 3: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, 0xffffffffffffffff) (async) r1 = openat$null(0xffffffffffffff9c, 0x0, 0x0, 0x0) mmap$perf(&(0x7f0000ffe000/0x2000)=nil, 0x2000, 0x0, 0x10, r1, 0x0) r2 = openat$null(0xffffffffffffff9c, 0x0, 0x0, 0x0) mmap$perf(&(0x7f0000ffe000/0x2000)=nil, 0x2000, 0x0, 0x10, r2, 0x0) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) 12:26:38 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r1) sendmsg$NBD_CMD_DISCONNECT(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f00000004c0)=ANY=[@ANYBLOB="10000000", @ANYRES16=r2, @ANYBLOB], 0x6c}}, 0x0) [ 359.332345] nbd: must specify an index to disconnect 12:26:38 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), 0xffffffffffffffff) sendmsg$NBD_CMD_DISCONNECT(r0, &(0x7f00000001c0)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x80000}, 0xc, &(0x7f0000000180)={&(0x7f00000000c0)={0x34, r1, 0x1, 0x70bd29, 0x25dfdbfb, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x6}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x1}]}, 0x34}, 0x1, 0x0, 0x0, 0x4000}, 0x4000004) 12:26:38 executing program 4: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x40b01) ioctl$NBD_SET_SOCK(r0, 0xab00, 0xffffffffffffffff) sendmsg$nl_route_sched(0xffffffffffffffff, &(0x7f0000000100)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x4000000}, 0xc, &(0x7f00000000c0)={&(0x7f0000000080)=@getchain={0x2c, 0x66, 0x200, 0x70bd2a, 0x25dfdbfc, {0x0, 0x0, 0x0, 0x0, {0x4, 0xf}, {0x9, 0xe}, {0xfff3, 0xfff1}}, [{0x8, 0xb, 0x81}]}, 0x2c}}, 0x4) 12:26:38 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r1) sendmsg$NBD_CMD_DISCONNECT(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000000)=ANY=[@ANYBLOB='l\x00\x00\x00', @ANYRES16=r2, @ANYBLOB="01002dbd7000fddbdf25020000000c0003000100", @ANYRES32, @ANYBLOB="0800014036ece3"], 0x6c}}, 0x0) 12:26:39 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r1) sendmsg$NBD_CMD_DISCONNECT(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f00000004c0)=ANY=[@ANYBLOB='l\x00\x00\x00', @ANYRES16=r2, @ANYBLOB="01002dbd7000fddbdf25020000000c00030001000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB], 0x6c}}, 0x0) r3 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r0) r4 = openat$null(0xffffffffffffff9c, &(0x7f00000000c0), 0x4000, 0x0) (async) r5 = openat$null(0xffffffffffffff9c, 0x0, 0x0, 0x0) mmap$perf(&(0x7f0000ffe000/0x2000)=nil, 0x2000, 0x0, 0x10, r5, 0x0) (async) r6 = openat$null(0xffffffffffffff9c, 0x0, 0x0, 0x0) mmap$perf(&(0x7f0000ffe000/0x2000)=nil, 0x2000, 0x0, 0x10, r6, 0x0) r7 = openat$vcsa(0xffffffffffffff9c, &(0x7f0000000180), 0x20041, 0x0) r8 = openat$null(0xffffffffffffff9c, 0x0, 0x0, 0x0) mmap$perf(&(0x7f0000ffe000/0x2000)=nil, 0x2000, 0x0, 0x10, r8, 0x0) (async) ioctl$PERF_EVENT_IOC_SET_OUTPUT(r6, 0x2405, r4) sendmsg$NBD_CMD_DISCONNECT(r0, &(0x7f0000000300)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x4}, 0xc, &(0x7f00000002c0)={&(0x7f00000001c0)={0xd8, r3, 0x100, 0x70bd26, 0x25dfdbfe, {}, [@NBD_ATTR_SOCKETS={0x34, 0x7, 0x0, 0x1, [{0x8}, {0x8, 0x1, r4}, {0x8, 0x1, r5}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x1}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x100000001}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x100000000}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x20}, @NBD_ATTR_SOCKETS={0x34, 0x7, 0x0, 0x1, [{0x8, 0x1, r6}, {0x8, 0x1, r7}, {0x8}, {0x8}, {0x8}, {0x8, 0x1, r8}]}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x9}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x100}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc}]}, 0xd8}, 0x1, 0x0, 0x0, 0x800}, 0x20000000) mmap$perf(&(0x7f0000ffe000/0x2000)=nil, 0x2000, 0x3, 0x4000010, 0xffffffffffffffff, 0x80000000) r9 = openat$null(0xffffffffffffff9c, 0x0, 0x0, 0x0) r10 = syz_genetlink_get_family_id$nl802154(&(0x7f0000000380), r1) (async) ioctl$sock_SIOCGIFINDEX_802154(r1, 0x8933, &(0x7f00000003c0)={'wpan3\x00', 0x0}) sendmsg$NL802154_CMD_DEL_SEC_LEVEL(r0, &(0x7f0000000480)={&(0x7f0000000340)={0x10, 0x0, 0x0, 0x800}, 0xc, &(0x7f0000000440)={&(0x7f0000000400)={0x28, r10, 0x300, 0x70bd2a, 0x25dfdbff, {}, [@NL802154_ATTR_WPAN_DEV={0xc, 0x6, 0x2}, @NL802154_ATTR_IFINDEX={0x8, 0x3, r11}]}, 0x28}, 0x1, 0x0, 0x0, 0x8000000}, 0x10) (async) mmap$perf(&(0x7f0000ffe000/0x2000)=nil, 0x2000, 0x0, 0x10, r9, 0x0) (async) ioctl$PERF_EVENT_IOC_REFRESH(r9, 0x2402, 0xa3) 12:26:39 executing program 3: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, 0xffffffffffffffff) r1 = openat$null(0xffffffffffffff9c, 0x0, 0x0, 0x0) mmap$perf(&(0x7f0000ffe000/0x2000)=nil, 0x2000, 0x0, 0x10, r1, 0x0) (async) r2 = openat$null(0xffffffffffffff9c, 0x0, 0x0, 0x0) mmap$perf(&(0x7f0000ffe000/0x2000)=nil, 0x2000, 0x0, 0x10, r2, 0x0) (async) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) 12:26:39 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), 0xffffffffffffffff) sendmsg$NBD_CMD_DISCONNECT(r0, &(0x7f00000001c0)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x80000}, 0xc, &(0x7f0000000180)={&(0x7f00000000c0)={0x34, r1, 0x1, 0x70bd29, 0x25dfdbfb, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x6}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x1}]}, 0x34}, 0x1, 0x0, 0x0, 0x4000}, 0x4000004) 12:26:39 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r1) sendmsg$NBD_CMD_DISCONNECT(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f00000004c0)=ANY=[@ANYBLOB="10000000", @ANYRES16=r2, @ANYBLOB], 0x6c}}, 0x0) 12:26:39 executing program 4: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x40b01) openat$vcsa(0xffffffffffffff9c, &(0x7f0000000040), 0x40080, 0x0) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NL802154_CMD_SET_CCA_ED_LEVEL(r1, &(0x7f0000000b40)={&(0x7f0000000a80), 0xc, &(0x7f0000000b00)={&(0x7f0000000ac0)=ANY=[@ANYBLOB="3528b3b2", @ANYRES16=0x0, @ANYBLOB="010000000000000000000e000000"], 0x14}}, 0x0) sendmsg$NL802154_CMD_GET_SEC_DEVKEY(r1, &(0x7f0000000140)={&(0x7f0000000080)={0x10, 0x0, 0x0, 0x8000}, 0xc, &(0x7f0000000100)={&(0x7f0000000240)=ANY=[@ANYBLOB="1c000000", @ANYRES16=0x0, @ANYBLOB="0002261b2d00ff82000000640300000003003f83fc8b8ee458fa6177e4761b401f4ead2286418f9e813bd703db932923e2546a4745b8c234b687b8cb13011d5649c92bc13b54aad2492b85010c3cba3576b893791cdf7751ba92ad6de342ba409e704392f6253593c7d663681fa15311f030f1d7621845b9b6e8d4be1798b694c0a616fb9c83e50907092584acc7220e8f17987ad8c5c4708eac9b0ccb8aebd2b023686b43c5ff4d09baa5c125fde6e5460a913250fe09f0a200"/195, @ANYRES32=0x0, @ANYBLOB], 0x1c}, 0x1, 0x0, 0x0, 0x1}, 0x40) ioctl$NBD_SET_SOCK(r0, 0xab00, 0xffffffffffffffff) 12:26:39 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NL802154_CMD_SET_CCA_ED_LEVEL(r0, &(0x7f0000000b40)={&(0x7f0000000a80), 0xc, &(0x7f0000000b00)={&(0x7f0000000ac0)={0x14, 0x0, 0x1}, 0x14}}, 0x0) r1 = syz_genetlink_get_family_id$nl802154(&(0x7f0000000100), 0xffffffffffffffff) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) ioctl$sock_SIOCGIFINDEX_802154(r2, 0x8933, &(0x7f0000000740)={'wpan0\x00', 0x0}) r4 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r5 = syz_genetlink_get_family_id$nl802154(&(0x7f00000013c0), 0xffffffffffffffff) sendmsg$NL802154_CMD_GET_WPAN_PHY(r4, &(0x7f0000000cc0)={0x0, 0x0, &(0x7f0000000c80)={&(0x7f0000000c00)={0x30, r5, 0x421, 0x0, 0x0, {}, [@NL802154_ATTR_WPAN_PHY={0x8, 0x1, 0x2}, @NL802154_ATTR_IFINDEX={0x8, 0x3, r3}, @NL802154_ATTR_WPAN_DEV={0xc, 0x6, 0x100000001}]}, 0x30}}, 0x0) sendmsg$NL802154_CMD_DEL_SEC_LEVEL(r0, &(0x7f0000000200)={&(0x7f00000000c0)={0x10, 0x0, 0x0, 0x8000000}, 0xc, &(0x7f00000001c0)={&(0x7f0000000140)={0x70, r1, 0x100, 0x70bd2a, 0x25dfdbfb, {}, [@NL802154_ATTR_SEC_LEVEL={0x34, 0x22, 0x0, 0x1, [@NL802154_SECLEVEL_ATTR_CMD_FRAME={0x8, 0x3, 0x4}, @NL802154_SECLEVEL_ATTR_CMD_FRAME={0x8, 0x3, 0x1}, @NL802154_SECLEVEL_ATTR_LEVELS={0x5, 0x1, 0x8}, @NL802154_SECLEVEL_ATTR_LEVELS={0x5, 0x1, 0x5}, @NL802154_SECLEVEL_ATTR_CMD_FRAME={0x8, 0x3, 0x6}, @NL802154_SECLEVEL_ATTR_CMD_FRAME={0x8, 0x3, 0x7}]}, @NL802154_ATTR_SEC_LEVEL={0x14, 0x22, 0x0, 0x1, [@NL802154_SECLEVEL_ATTR_FRAME={0x8, 0x2, 0x3}, @NL802154_SECLEVEL_ATTR_FRAME={0x8}]}, @NL802154_ATTR_IFINDEX={0x8, 0x3, r3}, @NL802154_ATTR_WPAN_DEV={0xc, 0x6, 0x300000003}]}, 0x70}, 0x1, 0x0, 0x0, 0x22000000}, 0x161bbfc6a8cfe34f) syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) r6 = openat$null(0xffffffffffffff9c, &(0x7f0000000040), 0x600, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r6, 0xab00, r7) [ 359.455765] nla_parse: 181 callbacks suppressed [ 359.455770] netlink: 68 bytes leftover after parsing attributes in process `syz-executor.1'. [ 359.472667] nbd: couldn't find device at index -1 [ 359.481093] netlink: 76 bytes leftover after parsing attributes in process `syz-executor.5'. [ 359.499607] nbd: must specify an index to disconnect 12:26:39 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), 0xffffffffffffffff) sendmsg$NBD_CMD_DISCONNECT(r0, &(0x7f00000001c0)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x80000}, 0xc, &(0x7f0000000180)={&(0x7f00000000c0)={0x34, r1, 0x1, 0x70bd29, 0x25dfdbfb, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x6}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x1}]}, 0x34}, 0x1, 0x0, 0x0, 0x4000}, 0x4000004) 12:26:39 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r1) sendmsg$NBD_CMD_DISCONNECT(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000000)=ANY=[@ANYBLOB='l\x00\x00\x00', @ANYRES16=r2, @ANYBLOB="01002dbd7000fddbdf25020000000c000300010001", @ANYRES32, @ANYBLOB="0800014036ece3"], 0x6c}}, 0x0) 12:26:39 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r1) sendmsg$NBD_CMD_DISCONNECT(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f00000004c0)=ANY=[@ANYBLOB="10000000", @ANYRES16=r2, @ANYBLOB], 0x6c}}, 0x0) 12:26:39 executing program 4: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x40b01) openat$vcsa(0xffffffffffffff9c, &(0x7f0000000040), 0x40080, 0x0) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NL802154_CMD_SET_CCA_ED_LEVEL(r1, &(0x7f0000000b40)={&(0x7f0000000a80), 0xc, &(0x7f0000000b00)={&(0x7f0000000ac0)=ANY=[@ANYBLOB="3528b3b2", @ANYRES16=0x0, @ANYBLOB="010000000000000000000e000000"], 0x14}}, 0x0) sendmsg$NL802154_CMD_GET_SEC_DEVKEY(r1, &(0x7f0000000140)={&(0x7f0000000080)={0x10, 0x0, 0x0, 0x8000}, 0xc, &(0x7f0000000100)={&(0x7f0000000240)=ANY=[@ANYBLOB="1c000000", @ANYRES16=0x0, @ANYBLOB="0002261b2d00ff82000000640300000003003f83fc8b8ee458fa6177e4761b401f4ead2286418f9e813bd703db932923e2546a4745b8c234b687b8cb13011d5649c92bc13b54aad2492b85010c3cba3576b893791cdf7751ba92ad6de342ba409e704392f6253593c7d663681fa15311f030f1d7621845b9b6e8d4be1798b694c0a616fb9c83e50907092584acc7220e8f17987ad8c5c4708eac9b0ccb8aebd2b023686b43c5ff4d09baa5c125fde6e5460a913250fe09f0a200"/195, @ANYRES32=0x0, @ANYBLOB], 0x1c}, 0x1, 0x0, 0x0, 0x1}, 0x40) ioctl$NBD_SET_SOCK(r0, 0xab00, 0xffffffffffffffff) syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x40b01) (async) openat$vcsa(0xffffffffffffff9c, &(0x7f0000000040), 0x40080, 0x0) (async) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) sendmsg$NL802154_CMD_SET_CCA_ED_LEVEL(r1, &(0x7f0000000b40)={&(0x7f0000000a80), 0xc, &(0x7f0000000b00)={&(0x7f0000000ac0)=ANY=[@ANYBLOB="3528b3b2", @ANYRES16=0x0, @ANYBLOB="010000000000000000000e000000"], 0x14}}, 0x0) (async) sendmsg$NL802154_CMD_GET_SEC_DEVKEY(r1, &(0x7f0000000140)={&(0x7f0000000080)={0x10, 0x0, 0x0, 0x8000}, 0xc, &(0x7f0000000100)={&(0x7f0000000240)=ANY=[@ANYBLOB="1c000000", @ANYRES16=0x0, @ANYBLOB="0002261b2d00ff82000000640300000003003f83fc8b8ee458fa6177e4761b401f4ead2286418f9e813bd703db932923e2546a4745b8c234b687b8cb13011d5649c92bc13b54aad2492b85010c3cba3576b893791cdf7751ba92ad6de342ba409e704392f6253593c7d663681fa15311f030f1d7621845b9b6e8d4be1798b694c0a616fb9c83e50907092584acc7220e8f17987ad8c5c4708eac9b0ccb8aebd2b023686b43c5ff4d09baa5c125fde6e5460a913250fe09f0a200"/195, @ANYRES32=0x0, @ANYBLOB], 0x1c}, 0x1, 0x0, 0x0, 0x1}, 0x40) (async) ioctl$NBD_SET_SOCK(r0, 0xab00, 0xffffffffffffffff) (async) 12:26:39 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r1) sendmsg$NBD_CMD_DISCONNECT(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f00000004c0)=ANY=[@ANYBLOB='l\x00\x00\x00', @ANYRES16=r2, @ANYBLOB="01002dbd70020000000c00030001000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB], 0x6c}}, 0x0) 12:26:39 executing program 2: syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r0) sendmsg$NBD_CMD_DISCONNECT(0xffffffffffffffff, &(0x7f00000001c0)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x80000}, 0xc, &(0x7f0000000180)={&(0x7f00000000c0)={0x34, r1, 0x1, 0x70bd29, 0x25dfdbfb, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x6}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x1}]}, 0x34}, 0x1, 0x0, 0x0, 0x4000}, 0x4000004) 12:26:39 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NL802154_CMD_SET_CCA_ED_LEVEL(r0, &(0x7f0000000b40)={&(0x7f0000000a80), 0xc, &(0x7f0000000b00)={&(0x7f0000000ac0)={0x14, 0x0, 0x1}, 0x14}}, 0x0) r1 = syz_genetlink_get_family_id$nl802154(&(0x7f0000000100), 0xffffffffffffffff) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) ioctl$sock_SIOCGIFINDEX_802154(r2, 0x8933, &(0x7f0000000740)={'wpan0\x00', 0x0}) r4 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r5 = syz_genetlink_get_family_id$nl802154(&(0x7f00000013c0), 0xffffffffffffffff) sendmsg$NL802154_CMD_GET_WPAN_PHY(r4, &(0x7f0000000cc0)={0x0, 0x0, &(0x7f0000000c80)={&(0x7f0000000c00)={0x30, r5, 0x421, 0x0, 0x0, {}, [@NL802154_ATTR_WPAN_PHY={0x8, 0x1, 0x2}, @NL802154_ATTR_IFINDEX={0x8, 0x3, r3}, @NL802154_ATTR_WPAN_DEV={0xc, 0x6, 0x100000001}]}, 0x30}}, 0x0) sendmsg$NL802154_CMD_DEL_SEC_LEVEL(r0, &(0x7f0000000200)={&(0x7f00000000c0)={0x10, 0x0, 0x0, 0x8000000}, 0xc, &(0x7f00000001c0)={&(0x7f0000000140)={0x70, r1, 0x100, 0x70bd2a, 0x25dfdbfb, {}, [@NL802154_ATTR_SEC_LEVEL={0x34, 0x22, 0x0, 0x1, [@NL802154_SECLEVEL_ATTR_CMD_FRAME={0x8, 0x3, 0x4}, @NL802154_SECLEVEL_ATTR_CMD_FRAME={0x8, 0x3, 0x1}, @NL802154_SECLEVEL_ATTR_LEVELS={0x5, 0x1, 0x8}, @NL802154_SECLEVEL_ATTR_LEVELS={0x5, 0x1, 0x5}, @NL802154_SECLEVEL_ATTR_CMD_FRAME={0x8, 0x3, 0x6}, @NL802154_SECLEVEL_ATTR_CMD_FRAME={0x8, 0x3, 0x7}]}, @NL802154_ATTR_SEC_LEVEL={0x14, 0x22, 0x0, 0x1, [@NL802154_SECLEVEL_ATTR_FRAME={0x8, 0x2, 0x3}, @NL802154_SECLEVEL_ATTR_FRAME={0x8}]}, @NL802154_ATTR_IFINDEX={0x8, 0x3, r3}, @NL802154_ATTR_WPAN_DEV={0xc, 0x6, 0x300000003}]}, 0x70}, 0x1, 0x0, 0x0, 0x22000000}, 0x161bbfc6a8cfe34f) syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) r6 = openat$null(0xffffffffffffff9c, &(0x7f0000000040), 0x600, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r6, 0xab00, r7) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) sendmsg$NL802154_CMD_SET_CCA_ED_LEVEL(r0, &(0x7f0000000b40)={&(0x7f0000000a80), 0xc, &(0x7f0000000b00)={&(0x7f0000000ac0)={0x14, 0x0, 0x1}, 0x14}}, 0x0) (async) syz_genetlink_get_family_id$nl802154(&(0x7f0000000100), 0xffffffffffffffff) (async) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) ioctl$sock_SIOCGIFINDEX_802154(r2, 0x8933, &(0x7f0000000740)={'wpan0\x00'}) (async) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) syz_genetlink_get_family_id$nl802154(&(0x7f00000013c0), 0xffffffffffffffff) (async) sendmsg$NL802154_CMD_GET_WPAN_PHY(r4, &(0x7f0000000cc0)={0x0, 0x0, &(0x7f0000000c80)={&(0x7f0000000c00)={0x30, r5, 0x421, 0x0, 0x0, {}, [@NL802154_ATTR_WPAN_PHY={0x8, 0x1, 0x2}, @NL802154_ATTR_IFINDEX={0x8, 0x3, r3}, @NL802154_ATTR_WPAN_DEV={0xc, 0x6, 0x100000001}]}, 0x30}}, 0x0) (async) sendmsg$NL802154_CMD_DEL_SEC_LEVEL(r0, &(0x7f0000000200)={&(0x7f00000000c0)={0x10, 0x0, 0x0, 0x8000000}, 0xc, &(0x7f00000001c0)={&(0x7f0000000140)={0x70, r1, 0x100, 0x70bd2a, 0x25dfdbfb, {}, [@NL802154_ATTR_SEC_LEVEL={0x34, 0x22, 0x0, 0x1, [@NL802154_SECLEVEL_ATTR_CMD_FRAME={0x8, 0x3, 0x4}, @NL802154_SECLEVEL_ATTR_CMD_FRAME={0x8, 0x3, 0x1}, @NL802154_SECLEVEL_ATTR_LEVELS={0x5, 0x1, 0x8}, @NL802154_SECLEVEL_ATTR_LEVELS={0x5, 0x1, 0x5}, @NL802154_SECLEVEL_ATTR_CMD_FRAME={0x8, 0x3, 0x6}, @NL802154_SECLEVEL_ATTR_CMD_FRAME={0x8, 0x3, 0x7}]}, @NL802154_ATTR_SEC_LEVEL={0x14, 0x22, 0x0, 0x1, [@NL802154_SECLEVEL_ATTR_FRAME={0x8, 0x2, 0x3}, @NL802154_SECLEVEL_ATTR_FRAME={0x8}]}, @NL802154_ATTR_IFINDEX={0x8, 0x3, r3}, @NL802154_ATTR_WPAN_DEV={0xc, 0x6, 0x300000003}]}, 0x70}, 0x1, 0x0, 0x0, 0x22000000}, 0x161bbfc6a8cfe34f) (async) syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) (async) openat$null(0xffffffffffffff9c, &(0x7f0000000040), 0x600, 0x0) (async) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)) (async) ioctl$NBD_SET_SOCK(r6, 0xab00, r7) (async) 12:26:39 executing program 4: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x40b01) (async) openat$vcsa(0xffffffffffffff9c, &(0x7f0000000040), 0x40080, 0x0) (async) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NL802154_CMD_SET_CCA_ED_LEVEL(r1, &(0x7f0000000b40)={&(0x7f0000000a80), 0xc, &(0x7f0000000b00)={&(0x7f0000000ac0)=ANY=[@ANYBLOB="3528b3b2", @ANYRES16=0x0, @ANYBLOB="010000000000000000000e000000"], 0x14}}, 0x0) (async) sendmsg$NL802154_CMD_GET_SEC_DEVKEY(r1, &(0x7f0000000140)={&(0x7f0000000080)={0x10, 0x0, 0x0, 0x8000}, 0xc, &(0x7f0000000100)={&(0x7f0000000240)=ANY=[@ANYBLOB="1c000000", @ANYRES16=0x0, @ANYBLOB="0002261b2d00ff82000000640300000003003f83fc8b8ee458fa6177e4761b401f4ead2286418f9e813bd703db932923e2546a4745b8c234b687b8cb13011d5649c92bc13b54aad2492b85010c3cba3576b893791cdf7751ba92ad6de342ba409e704392f6253593c7d663681fa15311f030f1d7621845b9b6e8d4be1798b694c0a616fb9c83e50907092584acc7220e8f17987ad8c5c4708eac9b0ccb8aebd2b023686b43c5ff4d09baa5c125fde6e5460a913250fe09f0a200"/195, @ANYRES32=0x0, @ANYBLOB], 0x1c}, 0x1, 0x0, 0x0, 0x1}, 0x40) (async) ioctl$NBD_SET_SOCK(r0, 0xab00, 0xffffffffffffffff) [ 359.618104] netlink: 76 bytes leftover after parsing attributes in process `syz-executor.5'. 12:26:39 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r1) sendmsg$NBD_CMD_DISCONNECT(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f00000004c0)=ANY=[@ANYBLOB="10000000", @ANYRES16=r2, @ANYBLOB="01002dbd7000"], 0x6c}}, 0x0) 12:26:39 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r1) sendmsg$NBD_CMD_DISCONNECT(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f00000004c0)=ANY=[@ANYBLOB='l\x00\x00\x00', @ANYRES16=r2, @ANYBLOB="01002dbd70020000000c00030001000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB], 0x6c}}, 0x0) 12:26:39 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r1) sendmsg$NBD_CMD_DISCONNECT(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000000)=ANY=[@ANYBLOB='l\x00\x00\x00', @ANYRES16=r2, @ANYBLOB="01002dbd7000fddbdf25020000000c000300010001", @ANYRES32, @ANYBLOB="0800014036ece3"], 0x6c}}, 0x0) [ 359.674282] nbd: must specify an index to disconnect 12:26:39 executing program 2: syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r0) sendmsg$NBD_CMD_DISCONNECT(0xffffffffffffffff, &(0x7f00000001c0)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x80000}, 0xc, &(0x7f0000000180)={&(0x7f00000000c0)={0x34, r1, 0x1, 0x70bd29, 0x25dfdbfb, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x6}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x1}]}, 0x34}, 0x1, 0x0, 0x0, 0x4000}, 0x4000004) 12:26:39 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r1) sendmsg$NBD_CMD_DISCONNECT(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f00000004c0)=ANY=[@ANYBLOB='l\x00\x00\x00', @ANYRES16=r2, @ANYBLOB="01002dbd70020000000c00030001000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB], 0x6c}}, 0x0) 12:26:39 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r1) sendmsg$NBD_CMD_DISCONNECT(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f00000004c0)=ANY=[@ANYBLOB="10000000", @ANYRES16=r2, @ANYBLOB="01"], 0x6c}}, 0x0) 12:26:39 executing program 4: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x40b01) r1 = openat$vcsa(0xffffffffffffff9c, &(0x7f0000000040), 0x20000, 0x0) syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x4203) sendmsg$IPVS_CMD_DEL_SERVICE(r1, &(0x7f0000000180)={&(0x7f0000000080)={0x10, 0x0, 0x0, 0x800}, 0xc, &(0x7f0000000140)={&(0x7f00000000c0)={0x68, 0x0, 0xd02, 0x70bd25, 0x25dfdbfc, {}, [@IPVS_CMD_ATTR_DEST={0x54, 0x2, 0x0, 0x1, [@IPVS_DEST_ATTR_L_THRESH={0x8, 0x6, 0x8}, @IPVS_DEST_ATTR_TUN_FLAGS={0x6, 0xf, 0x1000}, @IPVS_DEST_ATTR_PORT={0x6, 0x2, 0x4e22}, @IPVS_DEST_ATTR_U_THRESH={0x8, 0x5, 0x2}, @IPVS_DEST_ATTR_L_THRESH={0x8}, @IPVS_DEST_ATTR_ADDR_FAMILY={0x6, 0xb, 0x2}, @IPVS_DEST_ATTR_U_THRESH={0x8, 0x5, 0xe1d}, @IPVS_DEST_ATTR_TUN_FLAGS={0x6, 0xf, 0x7}, @IPVS_DEST_ATTR_INACT_CONNS={0x8, 0x8, 0x700000}, @IPVS_DEST_ATTR_U_THRESH={0x8, 0x5, 0xc3dd}]}]}, 0x68}, 0x1, 0x0, 0x0, 0x4000080}, 0x20000004) sendmsg$NL802154_CMD_SET_BACKOFF_EXPONENT(0xffffffffffffffff, &(0x7f00000002c0)={&(0x7f0000000200)={0x10, 0x0, 0x0, 0x80000000}, 0xc, &(0x7f0000000280)={&(0x7f0000000240)={0x2c, 0x0, 0x18, 0x70bd2b, 0x25dfdbfe, {}, [@NL802154_ATTR_MAX_BE={0x5, 0x10, 0x1f}, @NL802154_ATTR_MIN_BE={0x5}, @NL802154_ATTR_MIN_BE={0x5, 0x11, 0x8}]}, 0x2c}, 0x1, 0x0, 0x0, 0x48084}, 0x2) ioctl$NBD_SET_SOCK(r0, 0xab00, 0xffffffffffffffff) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NL802154_CMD_SET_LBT_MODE(r2, &(0x7f00000003c0)={&(0x7f0000000300)={0x10, 0x0, 0x0, 0x200}, 0xc, &(0x7f0000000380)={&(0x7f0000000340)={0x20, 0x0, 0x500, 0x70bd27, 0x25dfdbfd, {}, [@NL802154_ATTR_WPAN_DEV={0xc, 0x6, 0x300000003}]}, 0x20}, 0x1, 0x0, 0x0, 0x800}, 0x40000) 12:26:39 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NL802154_CMD_SET_CCA_ED_LEVEL(r0, &(0x7f0000000b40)={&(0x7f0000000a80), 0xc, &(0x7f0000000b00)={&(0x7f0000000ac0)={0x14, 0x0, 0x1}, 0x14}}, 0x0) (async) r1 = syz_genetlink_get_family_id$nl802154(&(0x7f0000000100), 0xffffffffffffffff) (async) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) ioctl$sock_SIOCGIFINDEX_802154(r2, 0x8933, &(0x7f0000000740)={'wpan0\x00', 0x0}) (async) r4 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async, rerun: 32) r5 = syz_genetlink_get_family_id$nl802154(&(0x7f00000013c0), 0xffffffffffffffff) (rerun: 32) sendmsg$NL802154_CMD_GET_WPAN_PHY(r4, &(0x7f0000000cc0)={0x0, 0x0, &(0x7f0000000c80)={&(0x7f0000000c00)={0x30, r5, 0x421, 0x0, 0x0, {}, [@NL802154_ATTR_WPAN_PHY={0x8, 0x1, 0x2}, @NL802154_ATTR_IFINDEX={0x8, 0x3, r3}, @NL802154_ATTR_WPAN_DEV={0xc, 0x6, 0x100000001}]}, 0x30}}, 0x0) sendmsg$NL802154_CMD_DEL_SEC_LEVEL(r0, &(0x7f0000000200)={&(0x7f00000000c0)={0x10, 0x0, 0x0, 0x8000000}, 0xc, &(0x7f00000001c0)={&(0x7f0000000140)={0x70, r1, 0x100, 0x70bd2a, 0x25dfdbfb, {}, [@NL802154_ATTR_SEC_LEVEL={0x34, 0x22, 0x0, 0x1, [@NL802154_SECLEVEL_ATTR_CMD_FRAME={0x8, 0x3, 0x4}, @NL802154_SECLEVEL_ATTR_CMD_FRAME={0x8, 0x3, 0x1}, @NL802154_SECLEVEL_ATTR_LEVELS={0x5, 0x1, 0x8}, @NL802154_SECLEVEL_ATTR_LEVELS={0x5, 0x1, 0x5}, @NL802154_SECLEVEL_ATTR_CMD_FRAME={0x8, 0x3, 0x6}, @NL802154_SECLEVEL_ATTR_CMD_FRAME={0x8, 0x3, 0x7}]}, @NL802154_ATTR_SEC_LEVEL={0x14, 0x22, 0x0, 0x1, [@NL802154_SECLEVEL_ATTR_FRAME={0x8, 0x2, 0x3}, @NL802154_SECLEVEL_ATTR_FRAME={0x8}]}, @NL802154_ATTR_IFINDEX={0x8, 0x3, r3}, @NL802154_ATTR_WPAN_DEV={0xc, 0x6, 0x300000003}]}, 0x70}, 0x1, 0x0, 0x0, 0x22000000}, 0x161bbfc6a8cfe34f) (async) syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) r6 = openat$null(0xffffffffffffff9c, &(0x7f0000000040), 0x600, 0x0) (async, rerun: 64) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) (rerun: 64) ioctl$NBD_SET_SOCK(r6, 0xab00, r7) 12:26:39 executing program 2: syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r0) sendmsg$NBD_CMD_DISCONNECT(0xffffffffffffffff, &(0x7f00000001c0)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x80000}, 0xc, &(0x7f0000000180)={&(0x7f00000000c0)={0x34, r1, 0x1, 0x70bd29, 0x25dfdbfb, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x6}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x1}]}, 0x34}, 0x1, 0x0, 0x0, 0x4000}, 0x4000004) 12:26:39 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r1) sendmsg$NBD_CMD_DISCONNECT(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f00000004c0)=ANY=[@ANYBLOB="10000000", @ANYRES16=r2, @ANYBLOB], 0x6c}}, 0x0) 12:26:39 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r1) sendmsg$NBD_CMD_DISCONNECT(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000080)=ANY=[@ANYBLOB='l\x00\x00\x00', @ANYRES16=r2, @ANYBLOB="01002dbd7000fddbdf25020000000c00030001000100", @ANYRES32, @ANYBLOB="080300", @ANYRES32, @ANYBLOB="695fc8e8293540ef570eec33993619c49c36db45a9ad1818e5b2d7a9abf10135cf541bc71868c4e1d86bd96cc1275057e000aa194dc77a8cae7d5c0022dc24fa0151"], 0x6c}}, 0x0) [ 359.775362] netlink: 76 bytes leftover after parsing attributes in process `syz-executor.5'. [ 359.808622] nbd: must specify an index to disconnect 12:26:39 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r1) sendmsg$NBD_CMD_DISCONNECT(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000000)=ANY=[@ANYBLOB='l\x00\x00\x00', @ANYRES16=r2, @ANYBLOB="01002dbd7000fddbdf25020000000c000300010001", @ANYRES32, @ANYBLOB="0800014036ece3"], 0x6c}}, 0x0) 12:26:39 executing program 4: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x40b01) r1 = openat$vcsa(0xffffffffffffff9c, &(0x7f0000000040), 0x20000, 0x0) syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x4203) (async) sendmsg$IPVS_CMD_DEL_SERVICE(r1, &(0x7f0000000180)={&(0x7f0000000080)={0x10, 0x0, 0x0, 0x800}, 0xc, &(0x7f0000000140)={&(0x7f00000000c0)={0x68, 0x0, 0xd02, 0x70bd25, 0x25dfdbfc, {}, [@IPVS_CMD_ATTR_DEST={0x54, 0x2, 0x0, 0x1, [@IPVS_DEST_ATTR_L_THRESH={0x8, 0x6, 0x8}, @IPVS_DEST_ATTR_TUN_FLAGS={0x6, 0xf, 0x1000}, @IPVS_DEST_ATTR_PORT={0x6, 0x2, 0x4e22}, @IPVS_DEST_ATTR_U_THRESH={0x8, 0x5, 0x2}, @IPVS_DEST_ATTR_L_THRESH={0x8}, @IPVS_DEST_ATTR_ADDR_FAMILY={0x6, 0xb, 0x2}, @IPVS_DEST_ATTR_U_THRESH={0x8, 0x5, 0xe1d}, @IPVS_DEST_ATTR_TUN_FLAGS={0x6, 0xf, 0x7}, @IPVS_DEST_ATTR_INACT_CONNS={0x8, 0x8, 0x700000}, @IPVS_DEST_ATTR_U_THRESH={0x8, 0x5, 0xc3dd}]}]}, 0x68}, 0x1, 0x0, 0x0, 0x4000080}, 0x20000004) sendmsg$NL802154_CMD_SET_BACKOFF_EXPONENT(0xffffffffffffffff, &(0x7f00000002c0)={&(0x7f0000000200)={0x10, 0x0, 0x0, 0x80000000}, 0xc, &(0x7f0000000280)={&(0x7f0000000240)={0x2c, 0x0, 0x18, 0x70bd2b, 0x25dfdbfe, {}, [@NL802154_ATTR_MAX_BE={0x5, 0x10, 0x1f}, @NL802154_ATTR_MIN_BE={0x5}, @NL802154_ATTR_MIN_BE={0x5, 0x11, 0x8}]}, 0x2c}, 0x1, 0x0, 0x0, 0x48084}, 0x2) ioctl$NBD_SET_SOCK(r0, 0xab00, 0xffffffffffffffff) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NL802154_CMD_SET_LBT_MODE(r2, &(0x7f00000003c0)={&(0x7f0000000300)={0x10, 0x0, 0x0, 0x200}, 0xc, &(0x7f0000000380)={&(0x7f0000000340)={0x20, 0x0, 0x500, 0x70bd27, 0x25dfdbfd, {}, [@NL802154_ATTR_WPAN_DEV={0xc, 0x6, 0x300000003}]}, 0x20}, 0x1, 0x0, 0x0, 0x800}, 0x40000) 12:26:39 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r1) sendmsg$NBD_CMD_DISCONNECT(r0, 0x0, 0x4000004) 12:26:39 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r1) sendmsg$NBD_CMD_DISCONNECT(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f00000004c0)=ANY=[@ANYBLOB="10000000", @ANYRES16=r2, @ANYBLOB], 0x6c}}, 0x0) 12:26:39 executing program 4: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x40b01) r1 = openat$vcsa(0xffffffffffffff9c, &(0x7f0000000040), 0x20000, 0x0) syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x4203) sendmsg$IPVS_CMD_DEL_SERVICE(r1, &(0x7f0000000180)={&(0x7f0000000080)={0x10, 0x0, 0x0, 0x800}, 0xc, &(0x7f0000000140)={&(0x7f00000000c0)={0x68, 0x0, 0xd02, 0x70bd25, 0x25dfdbfc, {}, [@IPVS_CMD_ATTR_DEST={0x54, 0x2, 0x0, 0x1, [@IPVS_DEST_ATTR_L_THRESH={0x8, 0x6, 0x8}, @IPVS_DEST_ATTR_TUN_FLAGS={0x6, 0xf, 0x1000}, @IPVS_DEST_ATTR_PORT={0x6, 0x2, 0x4e22}, @IPVS_DEST_ATTR_U_THRESH={0x8, 0x5, 0x2}, @IPVS_DEST_ATTR_L_THRESH={0x8}, @IPVS_DEST_ATTR_ADDR_FAMILY={0x6, 0xb, 0x2}, @IPVS_DEST_ATTR_U_THRESH={0x8, 0x5, 0xe1d}, @IPVS_DEST_ATTR_TUN_FLAGS={0x6, 0xf, 0x7}, @IPVS_DEST_ATTR_INACT_CONNS={0x8, 0x8, 0x700000}, @IPVS_DEST_ATTR_U_THRESH={0x8, 0x5, 0xc3dd}]}]}, 0x68}, 0x1, 0x0, 0x0, 0x4000080}, 0x20000004) sendmsg$NL802154_CMD_SET_BACKOFF_EXPONENT(0xffffffffffffffff, &(0x7f00000002c0)={&(0x7f0000000200)={0x10, 0x0, 0x0, 0x80000000}, 0xc, &(0x7f0000000280)={&(0x7f0000000240)={0x2c, 0x0, 0x18, 0x70bd2b, 0x25dfdbfe, {}, [@NL802154_ATTR_MAX_BE={0x5, 0x10, 0x1f}, @NL802154_ATTR_MIN_BE={0x5}, @NL802154_ATTR_MIN_BE={0x5, 0x11, 0x8}]}, 0x2c}, 0x1, 0x0, 0x0, 0x48084}, 0x2) ioctl$NBD_SET_SOCK(r0, 0xab00, 0xffffffffffffffff) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NL802154_CMD_SET_LBT_MODE(r2, &(0x7f00000003c0)={&(0x7f0000000300)={0x10, 0x0, 0x0, 0x200}, 0xc, &(0x7f0000000380)={&(0x7f0000000340)={0x20, 0x0, 0x500, 0x70bd27, 0x25dfdbfd, {}, [@NL802154_ATTR_WPAN_DEV={0xc, 0x6, 0x300000003}]}, 0x20}, 0x1, 0x0, 0x0, 0x800}, 0x40000) syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x40b01) (async) openat$vcsa(0xffffffffffffff9c, &(0x7f0000000040), 0x20000, 0x0) (async) syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x4203) (async) sendmsg$IPVS_CMD_DEL_SERVICE(r1, &(0x7f0000000180)={&(0x7f0000000080)={0x10, 0x0, 0x0, 0x800}, 0xc, &(0x7f0000000140)={&(0x7f00000000c0)={0x68, 0x0, 0xd02, 0x70bd25, 0x25dfdbfc, {}, [@IPVS_CMD_ATTR_DEST={0x54, 0x2, 0x0, 0x1, [@IPVS_DEST_ATTR_L_THRESH={0x8, 0x6, 0x8}, @IPVS_DEST_ATTR_TUN_FLAGS={0x6, 0xf, 0x1000}, @IPVS_DEST_ATTR_PORT={0x6, 0x2, 0x4e22}, @IPVS_DEST_ATTR_U_THRESH={0x8, 0x5, 0x2}, @IPVS_DEST_ATTR_L_THRESH={0x8}, @IPVS_DEST_ATTR_ADDR_FAMILY={0x6, 0xb, 0x2}, @IPVS_DEST_ATTR_U_THRESH={0x8, 0x5, 0xe1d}, @IPVS_DEST_ATTR_TUN_FLAGS={0x6, 0xf, 0x7}, @IPVS_DEST_ATTR_INACT_CONNS={0x8, 0x8, 0x700000}, @IPVS_DEST_ATTR_U_THRESH={0x8, 0x5, 0xc3dd}]}]}, 0x68}, 0x1, 0x0, 0x0, 0x4000080}, 0x20000004) (async) sendmsg$NL802154_CMD_SET_BACKOFF_EXPONENT(0xffffffffffffffff, &(0x7f00000002c0)={&(0x7f0000000200)={0x10, 0x0, 0x0, 0x80000000}, 0xc, &(0x7f0000000280)={&(0x7f0000000240)={0x2c, 0x0, 0x18, 0x70bd2b, 0x25dfdbfe, {}, [@NL802154_ATTR_MAX_BE={0x5, 0x10, 0x1f}, @NL802154_ATTR_MIN_BE={0x5}, @NL802154_ATTR_MIN_BE={0x5, 0x11, 0x8}]}, 0x2c}, 0x1, 0x0, 0x0, 0x48084}, 0x2) (async) ioctl$NBD_SET_SOCK(r0, 0xab00, 0xffffffffffffffff) (async) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) sendmsg$NL802154_CMD_SET_LBT_MODE(r2, &(0x7f00000003c0)={&(0x7f0000000300)={0x10, 0x0, 0x0, 0x200}, 0xc, &(0x7f0000000380)={&(0x7f0000000340)={0x20, 0x0, 0x500, 0x70bd27, 0x25dfdbfd, {}, [@NL802154_ATTR_WPAN_DEV={0xc, 0x6, 0x300000003}]}, 0x20}, 0x1, 0x0, 0x0, 0x800}, 0x40000) (async) 12:26:39 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r1) sendmsg$NBD_CMD_DISCONNECT(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000000)=ANY=[@ANYBLOB='l\x00\x00\x00', @ANYBLOB="01002dbd7000fddbdf25020000000c00030001000100", @ANYRES32, @ANYBLOB="0800014036ece3"], 0x6c}}, 0x0) [ 359.924401] netlink: 76 bytes leftover after parsing attributes in process `syz-executor.5'. [ 359.948572] nbd: must specify an index to disconnect [ 359.955071] netlink: 76 bytes leftover after parsing attributes in process `syz-executor.1'. 12:26:39 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r1) sendmsg$NBD_CMD_DISCONNECT(r0, 0x0, 0x4000004) [ 359.990166] nbd: must specify an index to disconnect 12:26:39 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r1) sendmsg$NBD_CMD_DISCONNECT(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000080)=ANY=[@ANYBLOB='l\x00\x00\x00', @ANYRES16=r2, @ANYBLOB="01002dbd7000fddbdf25020000000c00030001000100", @ANYRES32, @ANYBLOB="080300", @ANYRES32, @ANYBLOB="695fc8e8293540ef570eec33993619c49c36db45a9ad1818e5b2d7a9abf10135cf541bc71868c4e1d86bd96cc1275057e000aa194dc77a8cae7d5c0022dc24fa0151"], 0x6c}}, 0x0) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r1) (async) sendmsg$NBD_CMD_DISCONNECT(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000080)=ANY=[@ANYBLOB='l\x00\x00\x00', @ANYRES16=r2, @ANYBLOB="01002dbd7000fddbdf25020000000c00030001000100", @ANYRES32, @ANYBLOB="080300", @ANYRES32, @ANYBLOB="695fc8e8293540ef570eec33993619c49c36db45a9ad1818e5b2d7a9abf10135cf541bc71868c4e1d86bd96cc1275057e000aa194dc77a8cae7d5c0022dc24fa0151"], 0x6c}}, 0x0) (async) 12:26:39 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r1) sendmsg$NBD_CMD_DISCONNECT(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f00000004c0)=ANY=[@ANYBLOB="10000000", @ANYRES16=r2, @ANYBLOB], 0x6c}}, 0x0) 12:26:39 executing program 4: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x40b01) ioctl$NBD_SET_SOCK(r0, 0xab00, 0xffffffffffffffff) sendmsg$TIPC_CMD_SET_NETID(0xffffffffffffffff, &(0x7f0000000d80)={0x0, 0x0, &(0x7f0000000d40)={&(0x7f0000000d00)={0x24, 0x0, 0x0, 0x0, 0x0, {{}, {}, {0x8}}}, 0x24}}, 0x0) sendmsg$TIPC_CMD_RESET_LINK_STATS(0xffffffffffffffff, &(0x7f0000000100)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x800000}, 0xc, &(0x7f00000000c0)={&(0x7f0000000080)={0x28, 0x0, 0x100, 0x70bd29, 0x25dfdbfc, {{}, {}, {0xc, 0x14, 'syz0\x00'}}, [""]}, 0x28}, 0x1, 0x0, 0x0, 0x400}, 0x4) r1 = socket$netlink(0x10, 0x3, 0x7) sendmsg$TIPC_CMD_SET_NETID(r1, &(0x7f0000000d80)={0x0, 0x0, &(0x7f0000000d40)={&(0x7f0000000d00)={0x24, 0x0, 0x0, 0x0, 0x0, {{}, {}, {0x8}}}, 0x24}}, 0x0) sendmsg$TIPC_CMD_GET_MEDIA_NAMES(r1, &(0x7f0000000200)={&(0x7f0000000140)={0x10, 0x0, 0x0, 0x100}, 0xc, &(0x7f00000001c0)={&(0x7f0000000180)={0x1c, 0x0, 0x800, 0x70bd26, 0x25dfdbff, {}, [""]}, 0x1c}, 0x1, 0x0, 0x0, 0x80}, 0x4000000) 12:26:39 executing program 3: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, 0xffffffffffffffff) r1 = socket$netlink(0x10, 0x3, 0x7) sendmsg$TIPC_CMD_SET_NETID(r1, &(0x7f0000000d80)={0x0, 0x0, &(0x7f0000000d40)={&(0x7f0000000d00)={0x24, 0x0, 0x0, 0x0, 0x0, {{}, {}, {0x8}}}, 0x24}}, 0x0) r2 = getpid() sched_getparam(r2, &(0x7f00000006c0)) r3 = getuid() r4 = getegid() r5 = openat$tcp_congestion(0xffffffffffffff9c, &(0x7f0000001100), 0x1, 0x0) r6 = socket$netlink(0x10, 0x3, 0x7) sendmsg$TIPC_CMD_SET_NETID(r6, &(0x7f0000000d80)={0x0, 0x0, &(0x7f0000000d40)={&(0x7f0000000d00)={0x24, 0x0, 0x0, 0x0, 0x0, {{}, {}, {0x8}}}, 0x24}}, 0x0) r7 = socket$netlink(0x10, 0x3, 0x7) sendmsg$TIPC_CMD_SET_NETID(r7, &(0x7f0000000d80)={0x0, 0x0, &(0x7f0000000d40)={&(0x7f0000000d00)={0x24, 0x0, 0x0, 0x0, 0x0, {{}, {}, {0x8}}}, 0x24}}, 0x0) r8 = socket$netlink(0x10, 0x3, 0x7) sendmsg$TIPC_CMD_SET_NETID(r8, &(0x7f0000000d80)={0x0, 0x0, &(0x7f0000000d40)={&(0x7f0000000d00)={0x24, 0x0, 0x0, 0x0, 0x0, {{}, {}, {0x8}}}, 0x24}}, 0x0) r9 = getuid() r10 = socket$packet(0x11, 0x2, 0x300) socketpair(0x28, 0x3, 0x9, &(0x7f0000001140)={0xffffffffffffffff}) sendmsg$unix(0xffffffffffffffff, &(0x7f0000001280)={&(0x7f0000000040)=@abs={0x0, 0x0, 0x4e21}, 0x6e, &(0x7f00000010c0)=[{&(0x7f00000000c0)="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", 0x1000}], 0x1, &(0x7f0000001180)=[@rights={{0x14, 0x1, 0x1, [r1]}}, @cred={{0x1c, 0x1, 0x2, {r2, r3, r4}}}, @cred={{0x1c, 0x1, 0x2, {0x0, 0x0, 0xffffffffffffffff}}}, @rights={{0x20, 0x1, 0x1, [r0, r5, r0, r0]}}, @rights={{0x20, 0x1, 0x1, [r6, r0, r7, r8]}}, @cred={{0x1c, 0x1, 0x2, {0x0, r9, 0xffffffffffffffff}}}, @rights={{0x2c, 0x1, 0x1, [r10, r0, r0, r0, 0xffffffffffffffff, r0, 0xffffffffffffffff]}}, @rights={{0x14, 0x1, 0x1, [r11]}}], 0x100, 0x4000}, 0x4040004) 12:26:39 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r1) sendmsg$NBD_CMD_DISCONNECT(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000000)=ANY=[@ANYBLOB='l\x00\x00\x00', @ANYBLOB="01002dbd7000fddbdf25020000000c00030001000100", @ANYRES32, @ANYBLOB="0800014036ece3"], 0x6c}}, 0x0) 12:26:39 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r1) sendmsg$NBD_CMD_DISCONNECT(r0, 0x0, 0x4000004) 12:26:39 executing program 4: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x40b01) ioctl$NBD_SET_SOCK(r0, 0xab00, 0xffffffffffffffff) sendmsg$TIPC_CMD_SET_NETID(0xffffffffffffffff, &(0x7f0000000d80)={0x0, 0x0, &(0x7f0000000d40)={&(0x7f0000000d00)={0x24, 0x0, 0x0, 0x0, 0x0, {{}, {}, {0x8}}}, 0x24}}, 0x0) (async, rerun: 64) sendmsg$TIPC_CMD_RESET_LINK_STATS(0xffffffffffffffff, &(0x7f0000000100)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x800000}, 0xc, &(0x7f00000000c0)={&(0x7f0000000080)={0x28, 0x0, 0x100, 0x70bd29, 0x25dfdbfc, {{}, {}, {0xc, 0x14, 'syz0\x00'}}, [""]}, 0x28}, 0x1, 0x0, 0x0, 0x400}, 0x4) (async, rerun: 64) r1 = socket$netlink(0x10, 0x3, 0x7) sendmsg$TIPC_CMD_SET_NETID(r1, &(0x7f0000000d80)={0x0, 0x0, &(0x7f0000000d40)={&(0x7f0000000d00)={0x24, 0x0, 0x0, 0x0, 0x0, {{}, {}, {0x8}}}, 0x24}}, 0x0) (async) sendmsg$TIPC_CMD_GET_MEDIA_NAMES(r1, &(0x7f0000000200)={&(0x7f0000000140)={0x10, 0x0, 0x0, 0x100}, 0xc, &(0x7f00000001c0)={&(0x7f0000000180)={0x1c, 0x0, 0x800, 0x70bd26, 0x25dfdbff, {}, [""]}, 0x1c}, 0x1, 0x0, 0x0, 0x80}, 0x4000000) 12:26:39 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r1) sendmsg$NBD_CMD_DISCONNECT(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f00000004c0)=ANY=[@ANYBLOB="10000000", @ANYBLOB="01"], 0x6c}}, 0x0) 12:26:39 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r1) sendmsg$NBD_CMD_DISCONNECT(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000000)=ANY=[@ANYBLOB='l\x00\x00\x00', @ANYBLOB="01002dbd7000fddbdf25020000000c00030001000100", @ANYRES32, @ANYBLOB="0800014036ece3"], 0x6c}}, 0x0) [ 360.099288] netlink: 76 bytes leftover after parsing attributes in process `syz-executor.1'. [ 360.137423] nbd: must specify an index to disconnect 12:26:39 executing program 3: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, 0xffffffffffffffff) (async) r1 = socket$netlink(0x10, 0x3, 0x7) sendmsg$TIPC_CMD_SET_NETID(r1, &(0x7f0000000d80)={0x0, 0x0, &(0x7f0000000d40)={&(0x7f0000000d00)={0x24, 0x0, 0x0, 0x0, 0x0, {{}, {}, {0x8}}}, 0x24}}, 0x0) (async) r2 = getpid() sched_getparam(r2, &(0x7f00000006c0)) (async) r3 = getuid() (async) r4 = getegid() r5 = openat$tcp_congestion(0xffffffffffffff9c, &(0x7f0000001100), 0x1, 0x0) (async) r6 = socket$netlink(0x10, 0x3, 0x7) sendmsg$TIPC_CMD_SET_NETID(r6, &(0x7f0000000d80)={0x0, 0x0, &(0x7f0000000d40)={&(0x7f0000000d00)={0x24, 0x0, 0x0, 0x0, 0x0, {{}, {}, {0x8}}}, 0x24}}, 0x0) (async) r7 = socket$netlink(0x10, 0x3, 0x7) sendmsg$TIPC_CMD_SET_NETID(r7, &(0x7f0000000d80)={0x0, 0x0, &(0x7f0000000d40)={&(0x7f0000000d00)={0x24, 0x0, 0x0, 0x0, 0x0, {{}, {}, {0x8}}}, 0x24}}, 0x0) (async, rerun: 32) r8 = socket$netlink(0x10, 0x3, 0x7) (rerun: 32) sendmsg$TIPC_CMD_SET_NETID(r8, &(0x7f0000000d80)={0x0, 0x0, &(0x7f0000000d40)={&(0x7f0000000d00)={0x24, 0x0, 0x0, 0x0, 0x0, {{}, {}, {0x8}}}, 0x24}}, 0x0) (async) r9 = getuid() (async) r10 = socket$packet(0x11, 0x2, 0x300) (async) socketpair(0x28, 0x3, 0x9, &(0x7f0000001140)={0xffffffffffffffff}) sendmsg$unix(0xffffffffffffffff, &(0x7f0000001280)={&(0x7f0000000040)=@abs={0x0, 0x0, 0x4e21}, 0x6e, &(0x7f00000010c0)=[{&(0x7f00000000c0)="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", 0x1000}], 0x1, &(0x7f0000001180)=[@rights={{0x14, 0x1, 0x1, [r1]}}, @cred={{0x1c, 0x1, 0x2, {r2, r3, r4}}}, @cred={{0x1c, 0x1, 0x2, {0x0, 0x0, 0xffffffffffffffff}}}, @rights={{0x20, 0x1, 0x1, [r0, r5, r0, r0]}}, @rights={{0x20, 0x1, 0x1, [r6, r0, r7, r8]}}, @cred={{0x1c, 0x1, 0x2, {0x0, r9, 0xffffffffffffffff}}}, @rights={{0x2c, 0x1, 0x1, [r10, r0, r0, r0, 0xffffffffffffffff, r0, 0xffffffffffffffff]}}, @rights={{0x14, 0x1, 0x1, [r11]}}], 0x100, 0x4000}, 0x4040004) [ 360.164068] netlink: 76 bytes leftover after parsing attributes in process `syz-executor.1'. 12:26:39 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r1) sendmsg$NBD_CMD_DISCONNECT(r0, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={&(0x7f00000000c0)={0x34, r2, 0x1, 0x70bd29, 0x25dfdbfb, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x6}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x1}]}, 0x34}, 0x1, 0x0, 0x0, 0x4000}, 0x4000004) 12:26:39 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r1) sendmsg$NBD_CMD_DISCONNECT(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000000)=ANY=[@ANYBLOB='l\x00\x00\x00', @ANYRES16, @ANYBLOB="01002dbd7000fddbdf25020000000c00030001000100", @ANYRES32, @ANYBLOB="0800014036ece3"], 0x6c}}, 0x0) 12:26:39 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r1) sendmsg$NBD_CMD_DISCONNECT(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000080)=ANY=[@ANYBLOB='l\x00\x00\x00', @ANYRES16=r2, @ANYBLOB="01002dbd7000fddbdf25020000000c00030001000100", @ANYRES32, @ANYBLOB="080300", @ANYRES32, @ANYBLOB="695fc8e8293540ef570eec33993619c49c36db45a9ad1818e5b2d7a9abf10135cf541bc71868c4e1d86bd96cc1275057e000aa194dc77a8cae7d5c0022dc24fa0151"], 0x6c}}, 0x0) [ 360.206418] nbd: must specify an index to disconnect 12:26:39 executing program 4: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x40b01) ioctl$NBD_SET_SOCK(r0, 0xab00, 0xffffffffffffffff) sendmsg$TIPC_CMD_SET_NETID(0xffffffffffffffff, &(0x7f0000000d80)={0x0, 0x0, &(0x7f0000000d40)={&(0x7f0000000d00)={0x24, 0x0, 0x0, 0x0, 0x0, {{}, {}, {0x8}}}, 0x24}}, 0x0) sendmsg$TIPC_CMD_RESET_LINK_STATS(0xffffffffffffffff, &(0x7f0000000100)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x800000}, 0xc, &(0x7f00000000c0)={&(0x7f0000000080)={0x28, 0x0, 0x100, 0x70bd29, 0x25dfdbfc, {{}, {}, {0xc, 0x14, 'syz0\x00'}}, [""]}, 0x28}, 0x1, 0x0, 0x0, 0x400}, 0x4) r1 = socket$netlink(0x10, 0x3, 0x7) sendmsg$TIPC_CMD_SET_NETID(r1, &(0x7f0000000d80)={0x0, 0x0, &(0x7f0000000d40)={&(0x7f0000000d00)={0x24, 0x0, 0x0, 0x0, 0x0, {{}, {}, {0x8}}}, 0x24}}, 0x0) sendmsg$TIPC_CMD_GET_MEDIA_NAMES(r1, &(0x7f0000000200)={&(0x7f0000000140)={0x10, 0x0, 0x0, 0x100}, 0xc, &(0x7f00000001c0)={&(0x7f0000000180)={0x1c, 0x0, 0x800, 0x70bd26, 0x25dfdbff, {}, [""]}, 0x1c}, 0x1, 0x0, 0x0, 0x80}, 0x4000000) syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x40b01) (async) ioctl$NBD_SET_SOCK(r0, 0xab00, 0xffffffffffffffff) (async) sendmsg$TIPC_CMD_SET_NETID(0xffffffffffffffff, &(0x7f0000000d80)={0x0, 0x0, &(0x7f0000000d40)={&(0x7f0000000d00)={0x24, 0x0, 0x0, 0x0, 0x0, {{}, {}, {0x8}}}, 0x24}}, 0x0) (async) sendmsg$TIPC_CMD_RESET_LINK_STATS(0xffffffffffffffff, &(0x7f0000000100)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x800000}, 0xc, &(0x7f00000000c0)={&(0x7f0000000080)={0x28, 0x0, 0x100, 0x70bd29, 0x25dfdbfc, {{}, {}, {0xc, 0x14, 'syz0\x00'}}, [""]}, 0x28}, 0x1, 0x0, 0x0, 0x400}, 0x4) (async) socket$netlink(0x10, 0x3, 0x7) (async) sendmsg$TIPC_CMD_SET_NETID(r1, &(0x7f0000000d80)={0x0, 0x0, &(0x7f0000000d40)={&(0x7f0000000d00)={0x24, 0x0, 0x0, 0x0, 0x0, {{}, {}, {0x8}}}, 0x24}}, 0x0) (async) sendmsg$TIPC_CMD_GET_MEDIA_NAMES(r1, &(0x7f0000000200)={&(0x7f0000000140)={0x10, 0x0, 0x0, 0x100}, 0xc, &(0x7f00000001c0)={&(0x7f0000000180)={0x1c, 0x0, 0x800, 0x70bd26, 0x25dfdbff, {}, [""]}, 0x1c}, 0x1, 0x0, 0x0, 0x80}, 0x4000000) (async) 12:26:39 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r1) sendmsg$NBD_CMD_DISCONNECT(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f00000004c0)=ANY=[@ANYBLOB="10000000", @ANYBLOB="01"], 0x6c}}, 0x0) 12:26:39 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r1) sendmsg$NBD_CMD_DISCONNECT(r0, &(0x7f00000001c0)={0x0, 0x0, 0x0, 0x1, 0x0, 0x0, 0x4000}, 0x4000004) 12:26:39 executing program 3: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, 0xffffffffffffffff) (async) r1 = socket$netlink(0x10, 0x3, 0x7) sendmsg$TIPC_CMD_SET_NETID(r1, &(0x7f0000000d80)={0x0, 0x0, &(0x7f0000000d40)={&(0x7f0000000d00)={0x24, 0x0, 0x0, 0x0, 0x0, {{}, {}, {0x8}}}, 0x24}}, 0x0) (async) r2 = getpid() sched_getparam(r2, &(0x7f00000006c0)) (async) r3 = getuid() r4 = getegid() (async, rerun: 32) r5 = openat$tcp_congestion(0xffffffffffffff9c, &(0x7f0000001100), 0x1, 0x0) (async, rerun: 32) r6 = socket$netlink(0x10, 0x3, 0x7) sendmsg$TIPC_CMD_SET_NETID(r6, &(0x7f0000000d80)={0x0, 0x0, &(0x7f0000000d40)={&(0x7f0000000d00)={0x24, 0x0, 0x0, 0x0, 0x0, {{}, {}, {0x8}}}, 0x24}}, 0x0) (async) r7 = socket$netlink(0x10, 0x3, 0x7) sendmsg$TIPC_CMD_SET_NETID(r7, &(0x7f0000000d80)={0x0, 0x0, &(0x7f0000000d40)={&(0x7f0000000d00)={0x24, 0x0, 0x0, 0x0, 0x0, {{}, {}, {0x8}}}, 0x24}}, 0x0) (async) r8 = socket$netlink(0x10, 0x3, 0x7) sendmsg$TIPC_CMD_SET_NETID(r8, &(0x7f0000000d80)={0x0, 0x0, &(0x7f0000000d40)={&(0x7f0000000d00)={0x24, 0x0, 0x0, 0x0, 0x0, {{}, {}, {0x8}}}, 0x24}}, 0x0) r9 = getuid() r10 = socket$packet(0x11, 0x2, 0x300) socketpair(0x28, 0x3, 0x9, &(0x7f0000001140)={0xffffffffffffffff}) sendmsg$unix(0xffffffffffffffff, &(0x7f0000001280)={&(0x7f0000000040)=@abs={0x0, 0x0, 0x4e21}, 0x6e, &(0x7f00000010c0)=[{&(0x7f00000000c0)="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", 0x1000}], 0x1, &(0x7f0000001180)=[@rights={{0x14, 0x1, 0x1, [r1]}}, @cred={{0x1c, 0x1, 0x2, {r2, r3, r4}}}, @cred={{0x1c, 0x1, 0x2, {0x0, 0x0, 0xffffffffffffffff}}}, @rights={{0x20, 0x1, 0x1, [r0, r5, r0, r0]}}, @rights={{0x20, 0x1, 0x1, [r6, r0, r7, r8]}}, @cred={{0x1c, 0x1, 0x2, {0x0, r9, 0xffffffffffffffff}}}, @rights={{0x2c, 0x1, 0x1, [r10, r0, r0, r0, 0xffffffffffffffff, r0, 0xffffffffffffffff]}}, @rights={{0x14, 0x1, 0x1, [r11]}}], 0x100, 0x4000}, 0x4040004) 12:26:39 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r1) sendmsg$NBD_CMD_DISCONNECT(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000000)=ANY=[@ANYBLOB='l\x00\x00\x00', @ANYRES16, @ANYBLOB="01002dbd7000fddbdf25020000000c00030001000100", @ANYRES32, @ANYBLOB="0800014036ece3"], 0x6c}}, 0x0) 12:26:39 executing program 4: r0 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x2) ioctl$NBD_SET_SOCK(r0, 0xab00, 0xffffffffffffffff) 12:26:39 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r1) sendmsg$NBD_CMD_DISCONNECT(r0, &(0x7f00000001c0)={0x0, 0x0, 0x0, 0x1, 0x0, 0x0, 0x4000}, 0x4000004) 12:26:39 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r1) sendmsg$NBD_CMD_DISCONNECT(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f00000004c0)=ANY=[@ANYBLOB="10000000", @ANYBLOB="01"], 0x6c}}, 0x0) 12:26:39 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r1) sendmsg$NBD_CMD_DISCONNECT(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f00000004c0)=ANY=[@ANYBLOB="fd140000", @ANYRES16=r2, @ANYBLOB="01002dbd7000fddbdf25020000000c00030001000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB], 0x6c}}, 0x0) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r4 = syz_genetlink_get_family_id$nl802154(&(0x7f00000013c0), 0xffffffffffffffff) sendmsg$NL802154_CMD_SET_CCA_MODE(r3, &(0x7f0000001500)={&(0x7f0000001380), 0xc, &(0x7f00000014c0)={&(0x7f0000001440)={0x24, r4, 0x1, 0x0, 0x0, {}, [@NL802154_ATTR_CCA_MODE={0x8}, @NL802154_ATTR_IFINDEX={0x8}]}, 0x24}}, 0x0) sendmsg$NL802154_CMD_GET_SEC_KEY(r0, &(0x7f0000000180)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x800}, 0xc, &(0x7f00000000c0)={&(0x7f0000000080)={0x20, r4, 0x200, 0x70bd28, 0x25dfdbfd, {}, [@NL802154_ATTR_WPAN_DEV={0xc, 0x6, 0x2}]}, 0x20}, 0x1, 0x0, 0x0, 0x805}, 0x20000010) [ 360.304294] netlink: 76 bytes leftover after parsing attributes in process `syz-executor.1'. [ 360.333419] nbd: must specify an index to disconnect 12:26:40 executing program 3: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) ioctl$sock_SIOCGIFINDEX_802154(0xffffffffffffffff, 0x8933, &(0x7f0000000180)={'wpan4\x00'}) syz_open_dev$ndb(&(0x7f0000000440), 0x0, 0x483) r1 = socket$nl_generic(0x10, 0x3, 0x10) sendmsg$TIPC_CMD_SHOW_STATS(r1, &(0x7f0000000540)={&(0x7f0000000480)={0x10, 0x0, 0x0, 0x4}, 0xc, &(0x7f0000000500)={&(0x7f00000004c0)={0x1c, 0x0, 0x10, 0x40, 0x25dfdbfb, {}, ["", "", "", ""]}, 0x1c}, 0x1, 0x0, 0x0, 0x20000880}, 0x4000) sendmsg$IPVS_CMD_GET_INFO(r1, &(0x7f0000000400)={&(0x7f00000001c0)={0x10, 0x0, 0x0, 0x1010000}, 0xc, &(0x7f00000003c0)={&(0x7f0000000200)={0x1c0, 0x0, 0x10, 0x70bd27, 0x25dfdbfd, {}, [@IPVS_CMD_ATTR_TIMEOUT_UDP={0x8, 0x6, 0x10001}, @IPVS_CMD_ATTR_TIMEOUT_TCP={0x8, 0x4, 0x7fff}, @IPVS_CMD_ATTR_DAEMON={0x34, 0x3, 0x0, 0x1, [@IPVS_DAEMON_ATTR_SYNC_ID={0x8, 0x3, 0x1}, @IPVS_DAEMON_ATTR_MCAST_GROUP={0x8, 0x5, @initdev={0xac, 0x1e, 0x1, 0x0}}, @IPVS_DAEMON_ATTR_SYNC_ID={0x8, 0x3, 0x4}, @IPVS_DAEMON_ATTR_MCAST_PORT={0x6, 0x7, 0x4e24}, @IPVS_DAEMON_ATTR_MCAST_GROUP={0x8, 0x5, @initdev={0xac, 0x1e, 0x1, 0x0}}, @IPVS_DAEMON_ATTR_MCAST_TTL={0x5, 0x8, 0x2}]}, @IPVS_CMD_ATTR_SERVICE={0x44, 0x1, 0x0, 0x1, [@IPVS_SVC_ATTR_AF={0x6, 0x1, 0xa}, @IPVS_SVC_ATTR_AF={0x6, 0x1, 0xa}, @IPVS_SVC_ATTR_FLAGS={0xc, 0x7, {0x1a, 0x1a}}, @IPVS_SVC_ATTR_ADDR={0x14, 0x3, @ipv6=@private2={0xfc, 0x2, '\x00', 0x1}}, @IPVS_SVC_ATTR_PE_NAME={0x8}, @IPVS_SVC_ATTR_PROTOCOL={0x6, 0x2, 0xff}]}, @IPVS_CMD_ATTR_DAEMON={0x78, 0x3, 0x0, 0x1, [@IPVS_DAEMON_ATTR_SYNC_MAXLEN={0x6, 0x4, 0x6}, @IPVS_DAEMON_ATTR_MCAST_PORT={0x6, 0x7, 0x4e24}, @IPVS_DAEMON_ATTR_MCAST_TTL={0x5}, @IPVS_DAEMON_ATTR_MCAST_IFN={0x14, 0x2, 'wlan1\x00'}, @IPVS_DAEMON_ATTR_MCAST_GROUP6={0x14, 0x6, @remote}, @IPVS_DAEMON_ATTR_MCAST_GROUP={0x8, 0x5, @local}, @IPVS_DAEMON_ATTR_MCAST_TTL={0x5, 0x8, 0x9}, @IPVS_DAEMON_ATTR_STATE={0x8, 0x1, 0x2}, @IPVS_DAEMON_ATTR_MCAST_PORT={0x6, 0x7, 0x4e24}, @IPVS_DAEMON_ATTR_MCAST_GROUP6={0x14, 0x6, @initdev={0xfe, 0x88, '\x00', 0x1, 0x0}}]}, @IPVS_CMD_ATTR_DEST={0x4c, 0x2, 0x0, 0x1, [@IPVS_DEST_ATTR_FWD_METHOD={0x8, 0x3, 0x2}, @IPVS_DEST_ATTR_FWD_METHOD={0x8, 0x3, 0x6}, @IPVS_DEST_ATTR_TUN_PORT={0x6, 0xe, 0x4e21}, @IPVS_DEST_ATTR_PORT={0x6, 0x2, 0x4e21}, @IPVS_DEST_ATTR_L_THRESH={0x8, 0x6, 0xfff}, @IPVS_DEST_ATTR_TUN_TYPE={0x5, 0xd, 0x1}, @IPVS_DEST_ATTR_L_THRESH={0x8, 0x6, 0x5}, @IPVS_DEST_ATTR_WEIGHT={0x8, 0x4, 0x1}, @IPVS_DEST_ATTR_PERSIST_CONNS={0x8, 0x9, 0x2}]}, @IPVS_CMD_ATTR_SERVICE={0xc, 0x1, 0x0, 0x1, [@IPVS_SVC_ATTR_PORT={0x6, 0x4, 0x4e23}]}, @IPVS_CMD_ATTR_DAEMON={0x28, 0x3, 0x0, 0x1, [@IPVS_DAEMON_ATTR_MCAST_TTL={0x5, 0x8, 0xd6}, @IPVS_DAEMON_ATTR_SYNC_MAXLEN={0x6, 0x4, 0x20}, @IPVS_DAEMON_ATTR_MCAST_GROUP6={0x14, 0x6, @local}]}, @IPVS_CMD_ATTR_SERVICE={0x2c, 0x1, 0x0, 0x1, [@IPVS_SVC_ATTR_SCHED_NAME={0x7, 0x6, 'rr\x00'}, @IPVS_SVC_ATTR_PROTOCOL={0x6}, @IPVS_SVC_ATTR_FWMARK={0x8, 0x5, 0x2}, @IPVS_SVC_ATTR_AF={0x6, 0x1, 0x2}, @IPVS_SVC_ATTR_FWMARK={0x8}]}]}, 0x1c0}, 0x1, 0x0, 0x0, 0x80}, 0x40010) sendmsg$BATADV_CMD_GET_GATEWAYS(r1, &(0x7f0000000140)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x4000}, 0xc, &(0x7f0000000100)={&(0x7f0000000080)=ANY=[@ANYBLOB='`\b\x00\x00', @ANYRES16=0x0, @ANYBLOB="020026bd7000fedbdf250a00000005003800010000000a000900098b522942b30000050037000100000005002f000000000008000b00c30d000005002d000100000008003b0000080000050029000100000008003c0005000000"], 0x60}, 0x1, 0x0, 0x0, 0x4c001}, 0x40000) ioctl$NBD_SET_SOCK(r0, 0xab00, 0xffffffffffffffff) 12:26:40 executing program 4: r0 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x2) ioctl$NBD_SET_SOCK(r0, 0xab00, 0xffffffffffffffff) 12:26:40 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r1) sendmsg$NBD_CMD_DISCONNECT(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000000)=ANY=[@ANYBLOB='l\x00\x00\x00', @ANYRES16, @ANYBLOB="01002dbd7000fddbdf25020000000c00030001000100", @ANYRES32, @ANYBLOB="0800014036ece3"], 0x6c}}, 0x0) 12:26:40 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r1) sendmsg$NBD_CMD_DISCONNECT(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f00000004c0)=ANY=[@ANYBLOB="fd140000", @ANYRES16=r2, @ANYBLOB="01002dbd7000fddbdf25020000000c00030001000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB], 0x6c}}, 0x0) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r4 = syz_genetlink_get_family_id$nl802154(&(0x7f00000013c0), 0xffffffffffffffff) sendmsg$NL802154_CMD_SET_CCA_MODE(r3, &(0x7f0000001500)={&(0x7f0000001380), 0xc, &(0x7f00000014c0)={&(0x7f0000001440)={0x24, r4, 0x1, 0x0, 0x0, {}, [@NL802154_ATTR_CCA_MODE={0x8}, @NL802154_ATTR_IFINDEX={0x8}]}, 0x24}}, 0x0) sendmsg$NL802154_CMD_GET_SEC_KEY(r0, &(0x7f0000000180)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x800}, 0xc, &(0x7f00000000c0)={&(0x7f0000000080)={0x20, r4, 0x200, 0x70bd28, 0x25dfdbfd, {}, [@NL802154_ATTR_WPAN_DEV={0xc, 0x6, 0x2}]}, 0x20}, 0x1, 0x0, 0x0, 0x805}, 0x20000010) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r1) (async) sendmsg$NBD_CMD_DISCONNECT(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f00000004c0)=ANY=[@ANYBLOB="fd140000", @ANYRES16=r2, @ANYBLOB="01002dbd7000fddbdf25020000000c00030001000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB], 0x6c}}, 0x0) (async) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) syz_genetlink_get_family_id$nl802154(&(0x7f00000013c0), 0xffffffffffffffff) (async) sendmsg$NL802154_CMD_SET_CCA_MODE(r3, &(0x7f0000001500)={&(0x7f0000001380), 0xc, &(0x7f00000014c0)={&(0x7f0000001440)={0x24, r4, 0x1, 0x0, 0x0, {}, [@NL802154_ATTR_CCA_MODE={0x8}, @NL802154_ATTR_IFINDEX={0x8}]}, 0x24}}, 0x0) (async) sendmsg$NL802154_CMD_GET_SEC_KEY(r0, &(0x7f0000000180)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x800}, 0xc, &(0x7f00000000c0)={&(0x7f0000000080)={0x20, r4, 0x200, 0x70bd28, 0x25dfdbfd, {}, [@NL802154_ATTR_WPAN_DEV={0xc, 0x6, 0x2}]}, 0x20}, 0x1, 0x0, 0x0, 0x805}, 0x20000010) (async) 12:26:40 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r1) sendmsg$NBD_CMD_DISCONNECT(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f00000004c0)=ANY=[@ANYBLOB="10000000", @ANYRES16, @ANYBLOB="01"], 0x6c}}, 0x0) 12:26:40 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r1) sendmsg$NBD_CMD_DISCONNECT(r0, &(0x7f00000001c0)={0x0, 0x0, 0x0, 0x1, 0x0, 0x0, 0x4000}, 0x4000004) 12:26:40 executing program 4: r0 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x2) ioctl$NBD_SET_SOCK(r0, 0xab00, 0xffffffffffffffff) 12:26:40 executing program 3: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) (async) ioctl$sock_SIOCGIFINDEX_802154(0xffffffffffffffff, 0x8933, &(0x7f0000000180)={'wpan4\x00'}) (async) syz_open_dev$ndb(&(0x7f0000000440), 0x0, 0x483) (async) r1 = socket$nl_generic(0x10, 0x3, 0x10) sendmsg$TIPC_CMD_SHOW_STATS(r1, &(0x7f0000000540)={&(0x7f0000000480)={0x10, 0x0, 0x0, 0x4}, 0xc, &(0x7f0000000500)={&(0x7f00000004c0)={0x1c, 0x0, 0x10, 0x40, 0x25dfdbfb, {}, ["", "", "", ""]}, 0x1c}, 0x1, 0x0, 0x0, 0x20000880}, 0x4000) (async) sendmsg$IPVS_CMD_GET_INFO(r1, &(0x7f0000000400)={&(0x7f00000001c0)={0x10, 0x0, 0x0, 0x1010000}, 0xc, &(0x7f00000003c0)={&(0x7f0000000200)={0x1c0, 0x0, 0x10, 0x70bd27, 0x25dfdbfd, {}, [@IPVS_CMD_ATTR_TIMEOUT_UDP={0x8, 0x6, 0x10001}, @IPVS_CMD_ATTR_TIMEOUT_TCP={0x8, 0x4, 0x7fff}, @IPVS_CMD_ATTR_DAEMON={0x34, 0x3, 0x0, 0x1, [@IPVS_DAEMON_ATTR_SYNC_ID={0x8, 0x3, 0x1}, @IPVS_DAEMON_ATTR_MCAST_GROUP={0x8, 0x5, @initdev={0xac, 0x1e, 0x1, 0x0}}, @IPVS_DAEMON_ATTR_SYNC_ID={0x8, 0x3, 0x4}, @IPVS_DAEMON_ATTR_MCAST_PORT={0x6, 0x7, 0x4e24}, @IPVS_DAEMON_ATTR_MCAST_GROUP={0x8, 0x5, @initdev={0xac, 0x1e, 0x1, 0x0}}, @IPVS_DAEMON_ATTR_MCAST_TTL={0x5, 0x8, 0x2}]}, @IPVS_CMD_ATTR_SERVICE={0x44, 0x1, 0x0, 0x1, [@IPVS_SVC_ATTR_AF={0x6, 0x1, 0xa}, @IPVS_SVC_ATTR_AF={0x6, 0x1, 0xa}, @IPVS_SVC_ATTR_FLAGS={0xc, 0x7, {0x1a, 0x1a}}, @IPVS_SVC_ATTR_ADDR={0x14, 0x3, @ipv6=@private2={0xfc, 0x2, '\x00', 0x1}}, @IPVS_SVC_ATTR_PE_NAME={0x8}, @IPVS_SVC_ATTR_PROTOCOL={0x6, 0x2, 0xff}]}, @IPVS_CMD_ATTR_DAEMON={0x78, 0x3, 0x0, 0x1, [@IPVS_DAEMON_ATTR_SYNC_MAXLEN={0x6, 0x4, 0x6}, @IPVS_DAEMON_ATTR_MCAST_PORT={0x6, 0x7, 0x4e24}, @IPVS_DAEMON_ATTR_MCAST_TTL={0x5}, @IPVS_DAEMON_ATTR_MCAST_IFN={0x14, 0x2, 'wlan1\x00'}, @IPVS_DAEMON_ATTR_MCAST_GROUP6={0x14, 0x6, @remote}, @IPVS_DAEMON_ATTR_MCAST_GROUP={0x8, 0x5, @local}, @IPVS_DAEMON_ATTR_MCAST_TTL={0x5, 0x8, 0x9}, @IPVS_DAEMON_ATTR_STATE={0x8, 0x1, 0x2}, @IPVS_DAEMON_ATTR_MCAST_PORT={0x6, 0x7, 0x4e24}, @IPVS_DAEMON_ATTR_MCAST_GROUP6={0x14, 0x6, @initdev={0xfe, 0x88, '\x00', 0x1, 0x0}}]}, @IPVS_CMD_ATTR_DEST={0x4c, 0x2, 0x0, 0x1, [@IPVS_DEST_ATTR_FWD_METHOD={0x8, 0x3, 0x2}, @IPVS_DEST_ATTR_FWD_METHOD={0x8, 0x3, 0x6}, @IPVS_DEST_ATTR_TUN_PORT={0x6, 0xe, 0x4e21}, @IPVS_DEST_ATTR_PORT={0x6, 0x2, 0x4e21}, @IPVS_DEST_ATTR_L_THRESH={0x8, 0x6, 0xfff}, @IPVS_DEST_ATTR_TUN_TYPE={0x5, 0xd, 0x1}, @IPVS_DEST_ATTR_L_THRESH={0x8, 0x6, 0x5}, @IPVS_DEST_ATTR_WEIGHT={0x8, 0x4, 0x1}, @IPVS_DEST_ATTR_PERSIST_CONNS={0x8, 0x9, 0x2}]}, @IPVS_CMD_ATTR_SERVICE={0xc, 0x1, 0x0, 0x1, [@IPVS_SVC_ATTR_PORT={0x6, 0x4, 0x4e23}]}, @IPVS_CMD_ATTR_DAEMON={0x28, 0x3, 0x0, 0x1, [@IPVS_DAEMON_ATTR_MCAST_TTL={0x5, 0x8, 0xd6}, @IPVS_DAEMON_ATTR_SYNC_MAXLEN={0x6, 0x4, 0x20}, @IPVS_DAEMON_ATTR_MCAST_GROUP6={0x14, 0x6, @local}]}, @IPVS_CMD_ATTR_SERVICE={0x2c, 0x1, 0x0, 0x1, [@IPVS_SVC_ATTR_SCHED_NAME={0x7, 0x6, 'rr\x00'}, @IPVS_SVC_ATTR_PROTOCOL={0x6}, @IPVS_SVC_ATTR_FWMARK={0x8, 0x5, 0x2}, @IPVS_SVC_ATTR_AF={0x6, 0x1, 0x2}, @IPVS_SVC_ATTR_FWMARK={0x8}]}]}, 0x1c0}, 0x1, 0x0, 0x0, 0x80}, 0x40010) (async) sendmsg$BATADV_CMD_GET_GATEWAYS(r1, &(0x7f0000000140)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x4000}, 0xc, &(0x7f0000000100)={&(0x7f0000000080)=ANY=[@ANYBLOB='`\b\x00\x00', @ANYRES16=0x0, @ANYBLOB="020026bd7000fedbdf250a00000005003800010000000a000900098b522942b30000050037000100000005002f000000000008000b00c30d000005002d000100000008003b0000080000050029000100000008003c0005000000"], 0x60}, 0x1, 0x0, 0x0, 0x4c001}, 0x40000) (async) ioctl$NBD_SET_SOCK(r0, 0xab00, 0xffffffffffffffff) 12:26:40 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r1) sendmsg$NBD_CMD_DISCONNECT(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000000)=ANY=[@ANYRES16=r2, @ANYBLOB="01002dbd7000fddbdf25020000000c00030001000100", @ANYRES32, @ANYBLOB="0800014036ece3"], 0x6c}}, 0x0) 12:26:40 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r1) sendmsg$NBD_CMD_DISCONNECT(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f00000004c0)=ANY=[@ANYBLOB="fd140000", @ANYRES16=r2, @ANYBLOB="01002dbd7000fddbdf25020000000c00030001000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB], 0x6c}}, 0x0) (async) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) r4 = syz_genetlink_get_family_id$nl802154(&(0x7f00000013c0), 0xffffffffffffffff) sendmsg$NL802154_CMD_SET_CCA_MODE(r3, &(0x7f0000001500)={&(0x7f0000001380), 0xc, &(0x7f00000014c0)={&(0x7f0000001440)={0x24, r4, 0x1, 0x0, 0x0, {}, [@NL802154_ATTR_CCA_MODE={0x8}, @NL802154_ATTR_IFINDEX={0x8}]}, 0x24}}, 0x0) sendmsg$NL802154_CMD_GET_SEC_KEY(r0, &(0x7f0000000180)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x800}, 0xc, &(0x7f00000000c0)={&(0x7f0000000080)={0x20, r4, 0x200, 0x70bd28, 0x25dfdbfd, {}, [@NL802154_ATTR_WPAN_DEV={0xc, 0x6, 0x2}]}, 0x20}, 0x1, 0x0, 0x0, 0x805}, 0x20000010) 12:26:40 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r1) sendmsg$NBD_CMD_DISCONNECT(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f00000004c0)=ANY=[@ANYBLOB="10000000", @ANYRES16, @ANYBLOB="01"], 0x6c}}, 0x0) 12:26:40 executing program 4: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x50002) ioctl$NBD_SET_SOCK(r0, 0xab00, 0xffffffffffffffff) r1 = socket$netlink(0x10, 0x3, 0x7) sendmsg$TIPC_CMD_SET_NETID(r1, &(0x7f0000000d80)={0x0, 0x0, &(0x7f0000000d40)={&(0x7f0000000d00)={0x24, 0x0, 0x0, 0x0, 0x0, {{}, {}, {0x8}}}, 0x24}}, 0x0) r2 = syz_genetlink_get_family_id$ipvs(&(0x7f0000000080), 0xffffffffffffffff) sendmsg$IPVS_CMD_FLUSH(r1, &(0x7f0000000140)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x40}, 0xc, &(0x7f0000000100)={&(0x7f00000000c0)={0x30, r2, 0x400, 0x70bd29, 0x25dfdbfc, {}, [@IPVS_CMD_ATTR_DEST={0x1c, 0x2, 0x0, 0x1, [@IPVS_DEST_ATTR_ACTIVE_CONNS={0x8, 0x7, 0xfff}, @IPVS_DEST_ATTR_INACT_CONNS={0x8, 0x8, 0x6}, @IPVS_DEST_ATTR_TUN_FLAGS={0x6, 0xf, 0x2}]}]}, 0x30}, 0x1, 0x0, 0x0, 0x46}, 0x4) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) ioctl$sock_SIOCGIFINDEX_802154(r3, 0x8933, &(0x7f0000000740)={'wpan0\x00', 0x0}) r5 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r6 = syz_genetlink_get_family_id$nl802154(&(0x7f00000013c0), 0xffffffffffffffff) sendmsg$NL802154_CMD_GET_WPAN_PHY(r5, &(0x7f0000000cc0)={0x0, 0x0, &(0x7f0000000c80)={&(0x7f0000000c00)={0x30, r6, 0x421, 0x0, 0x0, {}, [@NL802154_ATTR_WPAN_PHY={0x8, 0x1, 0x2}, @NL802154_ATTR_IFINDEX={0x8, 0x3, r4}, @NL802154_ATTR_WPAN_DEV={0xc, 0x6, 0x100000001}]}, 0x30}}, 0x0) sendmsg$NL802154_CMD_SET_CCA_ED_LEVEL(0xffffffffffffffff, &(0x7f0000000280)={&(0x7f0000000180)={0x10, 0x0, 0x0, 0x2}, 0xc, &(0x7f0000000240)={&(0x7f00000002c0)=ANY=[@ANYBLOB="440000000763727208173724c9d91a3fd7185327af5c8ada3a7425df8ea28bb946e9fd2fafc373e03166051b4a8f5ccc075c471a7c0834aaadc709ee225e6c0f24b2a1913cbe005199d807355fc9ebdeb408e5a2c67098fa9748912a", @ANYRES16=0x0, @ANYBLOB="000227bd7000fbdbdf250e00000008000300", @ANYRES32=0x0, @ANYBLOB="0c00060001000000010000000c0006000200000002000000080001000100000008000300", @ANYRES32=r4, @ANYBLOB], 0x44}, 0x1, 0x0, 0x0, 0x890}, 0x40) 12:26:40 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r1) sendmsg$NBD_CMD_DISCONNECT(r0, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}, 0x1, 0x0, 0x0, 0x4000}, 0x4000004) 12:26:40 executing program 3: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) ioctl$sock_SIOCGIFINDEX_802154(0xffffffffffffffff, 0x8933, &(0x7f0000000180)={'wpan4\x00'}) syz_open_dev$ndb(&(0x7f0000000440), 0x0, 0x483) r1 = socket$nl_generic(0x10, 0x3, 0x10) sendmsg$TIPC_CMD_SHOW_STATS(r1, &(0x7f0000000540)={&(0x7f0000000480)={0x10, 0x0, 0x0, 0x4}, 0xc, &(0x7f0000000500)={&(0x7f00000004c0)={0x1c, 0x0, 0x10, 0x40, 0x25dfdbfb, {}, ["", "", "", ""]}, 0x1c}, 0x1, 0x0, 0x0, 0x20000880}, 0x4000) (async) sendmsg$IPVS_CMD_GET_INFO(r1, &(0x7f0000000400)={&(0x7f00000001c0)={0x10, 0x0, 0x0, 0x1010000}, 0xc, &(0x7f00000003c0)={&(0x7f0000000200)={0x1c0, 0x0, 0x10, 0x70bd27, 0x25dfdbfd, {}, [@IPVS_CMD_ATTR_TIMEOUT_UDP={0x8, 0x6, 0x10001}, @IPVS_CMD_ATTR_TIMEOUT_TCP={0x8, 0x4, 0x7fff}, @IPVS_CMD_ATTR_DAEMON={0x34, 0x3, 0x0, 0x1, [@IPVS_DAEMON_ATTR_SYNC_ID={0x8, 0x3, 0x1}, @IPVS_DAEMON_ATTR_MCAST_GROUP={0x8, 0x5, @initdev={0xac, 0x1e, 0x1, 0x0}}, @IPVS_DAEMON_ATTR_SYNC_ID={0x8, 0x3, 0x4}, @IPVS_DAEMON_ATTR_MCAST_PORT={0x6, 0x7, 0x4e24}, @IPVS_DAEMON_ATTR_MCAST_GROUP={0x8, 0x5, @initdev={0xac, 0x1e, 0x1, 0x0}}, @IPVS_DAEMON_ATTR_MCAST_TTL={0x5, 0x8, 0x2}]}, @IPVS_CMD_ATTR_SERVICE={0x44, 0x1, 0x0, 0x1, [@IPVS_SVC_ATTR_AF={0x6, 0x1, 0xa}, @IPVS_SVC_ATTR_AF={0x6, 0x1, 0xa}, @IPVS_SVC_ATTR_FLAGS={0xc, 0x7, {0x1a, 0x1a}}, @IPVS_SVC_ATTR_ADDR={0x14, 0x3, @ipv6=@private2={0xfc, 0x2, '\x00', 0x1}}, @IPVS_SVC_ATTR_PE_NAME={0x8}, @IPVS_SVC_ATTR_PROTOCOL={0x6, 0x2, 0xff}]}, @IPVS_CMD_ATTR_DAEMON={0x78, 0x3, 0x0, 0x1, [@IPVS_DAEMON_ATTR_SYNC_MAXLEN={0x6, 0x4, 0x6}, @IPVS_DAEMON_ATTR_MCAST_PORT={0x6, 0x7, 0x4e24}, @IPVS_DAEMON_ATTR_MCAST_TTL={0x5}, @IPVS_DAEMON_ATTR_MCAST_IFN={0x14, 0x2, 'wlan1\x00'}, @IPVS_DAEMON_ATTR_MCAST_GROUP6={0x14, 0x6, @remote}, @IPVS_DAEMON_ATTR_MCAST_GROUP={0x8, 0x5, @local}, @IPVS_DAEMON_ATTR_MCAST_TTL={0x5, 0x8, 0x9}, @IPVS_DAEMON_ATTR_STATE={0x8, 0x1, 0x2}, @IPVS_DAEMON_ATTR_MCAST_PORT={0x6, 0x7, 0x4e24}, @IPVS_DAEMON_ATTR_MCAST_GROUP6={0x14, 0x6, @initdev={0xfe, 0x88, '\x00', 0x1, 0x0}}]}, @IPVS_CMD_ATTR_DEST={0x4c, 0x2, 0x0, 0x1, [@IPVS_DEST_ATTR_FWD_METHOD={0x8, 0x3, 0x2}, @IPVS_DEST_ATTR_FWD_METHOD={0x8, 0x3, 0x6}, @IPVS_DEST_ATTR_TUN_PORT={0x6, 0xe, 0x4e21}, @IPVS_DEST_ATTR_PORT={0x6, 0x2, 0x4e21}, @IPVS_DEST_ATTR_L_THRESH={0x8, 0x6, 0xfff}, @IPVS_DEST_ATTR_TUN_TYPE={0x5, 0xd, 0x1}, @IPVS_DEST_ATTR_L_THRESH={0x8, 0x6, 0x5}, @IPVS_DEST_ATTR_WEIGHT={0x8, 0x4, 0x1}, @IPVS_DEST_ATTR_PERSIST_CONNS={0x8, 0x9, 0x2}]}, @IPVS_CMD_ATTR_SERVICE={0xc, 0x1, 0x0, 0x1, [@IPVS_SVC_ATTR_PORT={0x6, 0x4, 0x4e23}]}, @IPVS_CMD_ATTR_DAEMON={0x28, 0x3, 0x0, 0x1, [@IPVS_DAEMON_ATTR_MCAST_TTL={0x5, 0x8, 0xd6}, @IPVS_DAEMON_ATTR_SYNC_MAXLEN={0x6, 0x4, 0x20}, @IPVS_DAEMON_ATTR_MCAST_GROUP6={0x14, 0x6, @local}]}, @IPVS_CMD_ATTR_SERVICE={0x2c, 0x1, 0x0, 0x1, [@IPVS_SVC_ATTR_SCHED_NAME={0x7, 0x6, 'rr\x00'}, @IPVS_SVC_ATTR_PROTOCOL={0x6}, @IPVS_SVC_ATTR_FWMARK={0x8, 0x5, 0x2}, @IPVS_SVC_ATTR_AF={0x6, 0x1, 0x2}, @IPVS_SVC_ATTR_FWMARK={0x8}]}]}, 0x1c0}, 0x1, 0x0, 0x0, 0x80}, 0x40010) (async, rerun: 64) sendmsg$BATADV_CMD_GET_GATEWAYS(r1, &(0x7f0000000140)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x4000}, 0xc, &(0x7f0000000100)={&(0x7f0000000080)=ANY=[@ANYBLOB='`\b\x00\x00', @ANYRES16=0x0, @ANYBLOB="020026bd7000fedbdf250a00000005003800010000000a000900098b522942b30000050037000100000005002f000000000008000b00c30d000005002d000100000008003b0000080000050029000100000008003c0005000000"], 0x60}, 0x1, 0x0, 0x0, 0x4c001}, 0x40000) (async, rerun: 64) ioctl$NBD_SET_SOCK(r0, 0xab00, 0xffffffffffffffff) 12:26:40 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r1) sendmsg$NBD_CMD_DISCONNECT(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f00000004c0)=ANY=[@ANYBLOB="10000000", @ANYRES16, @ANYBLOB="01"], 0x6c}}, 0x0) 12:26:40 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r1) sendmsg$NBD_CMD_DISCONNECT(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000000)=ANY=[@ANYRES16=r2, @ANYBLOB="01002dbd7000fddbdf25020000000c00030001000100", @ANYRES32, @ANYBLOB="0800014036ece3"], 0x6c}}, 0x0) 12:26:40 executing program 1: r0 = openat$vcsa(0xffffffffffffff9c, &(0x7f00000001c0), 0x2, 0x0) write$tcp_congestion(r0, &(0x7f0000000200)='illinois\x00', 0x9) 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$nbd(&(0x7f0000000040), r2) r4 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NL802154_CMD_SET_CCA_ED_LEVEL(r4, &(0x7f0000000b40)={&(0x7f0000000a80), 0xc, &(0x7f0000000b00)={&(0x7f0000000ac0)=ANY=[@ANYBLOB="14000000", @ANYRES16=0x0, @ANYBLOB="0101000000000000000e00000000"], 0x14}}, 0x0) r5 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r6 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r7 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r5) sendmsg$NBD_CMD_DISCONNECT(r6, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000080)={0x14, r7, 0x1}, 0x14}, 0x1, 0x0, 0x0, 0x40000c5}, 0x0) sendmsg$NBD_CMD_CONNECT(r4, &(0x7f0000000180)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x2}, 0xc, &(0x7f00000000c0)={&(0x7f0000000080)={0x14, r7, 0x200, 0x70bd2c, 0x25dfdbfd}, 0x14}, 0x1, 0x0, 0x0, 0x800}, 0x1) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f00000004c0)=ANY=[@ANYBLOB='l\x00\x00\x00', @ANYRES16=r3, @ANYBLOB="01002dbd7000fddbdf25020000000c00030001000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB], 0x6c}}, 0x0) 12:26:40 executing program 4: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x50002) ioctl$NBD_SET_SOCK(r0, 0xab00, 0xffffffffffffffff) r1 = socket$netlink(0x10, 0x3, 0x7) sendmsg$TIPC_CMD_SET_NETID(r1, &(0x7f0000000d80)={0x0, 0x0, &(0x7f0000000d40)={&(0x7f0000000d00)={0x24, 0x0, 0x0, 0x0, 0x0, {{}, {}, {0x8}}}, 0x24}}, 0x0) r2 = syz_genetlink_get_family_id$ipvs(&(0x7f0000000080), 0xffffffffffffffff) sendmsg$IPVS_CMD_FLUSH(r1, &(0x7f0000000140)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x40}, 0xc, &(0x7f0000000100)={&(0x7f00000000c0)={0x30, r2, 0x400, 0x70bd29, 0x25dfdbfc, {}, [@IPVS_CMD_ATTR_DEST={0x1c, 0x2, 0x0, 0x1, [@IPVS_DEST_ATTR_ACTIVE_CONNS={0x8, 0x7, 0xfff}, @IPVS_DEST_ATTR_INACT_CONNS={0x8, 0x8, 0x6}, @IPVS_DEST_ATTR_TUN_FLAGS={0x6, 0xf, 0x2}]}]}, 0x30}, 0x1, 0x0, 0x0, 0x46}, 0x4) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) ioctl$sock_SIOCGIFINDEX_802154(r3, 0x8933, &(0x7f0000000740)={'wpan0\x00', 0x0}) r5 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r6 = syz_genetlink_get_family_id$nl802154(&(0x7f00000013c0), 0xffffffffffffffff) sendmsg$NL802154_CMD_GET_WPAN_PHY(r5, &(0x7f0000000cc0)={0x0, 0x0, &(0x7f0000000c80)={&(0x7f0000000c00)={0x30, r6, 0x421, 0x0, 0x0, {}, [@NL802154_ATTR_WPAN_PHY={0x8, 0x1, 0x2}, @NL802154_ATTR_IFINDEX={0x8, 0x3, r4}, @NL802154_ATTR_WPAN_DEV={0xc, 0x6, 0x100000001}]}, 0x30}}, 0x0) sendmsg$NL802154_CMD_SET_CCA_ED_LEVEL(0xffffffffffffffff, &(0x7f0000000280)={&(0x7f0000000180)={0x10, 0x0, 0x0, 0x2}, 0xc, &(0x7f0000000240)={&(0x7f00000002c0)=ANY=[@ANYBLOB="440000000763727208173724c9d91a3fd7185327af5c8ada3a7425df8ea28bb946e9fd2fafc373e03166051b4a8f5ccc075c471a7c0834aaadc709ee225e6c0f24b2a1913cbe005199d807355fc9ebdeb408e5a2c67098fa9748912a", @ANYRES16=0x0, @ANYBLOB="000227bd7000fbdbdf250e00000008000300", @ANYRES32=0x0, @ANYBLOB="0c00060001000000010000000c0006000200000002000000080001000100000008000300", @ANYRES32=r4, @ANYBLOB], 0x44}, 0x1, 0x0, 0x0, 0x890}, 0x40) syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x50002) (async) ioctl$NBD_SET_SOCK(r0, 0xab00, 0xffffffffffffffff) (async) socket$netlink(0x10, 0x3, 0x7) (async) sendmsg$TIPC_CMD_SET_NETID(r1, &(0x7f0000000d80)={0x0, 0x0, &(0x7f0000000d40)={&(0x7f0000000d00)={0x24, 0x0, 0x0, 0x0, 0x0, {{}, {}, {0x8}}}, 0x24}}, 0x0) (async) syz_genetlink_get_family_id$ipvs(&(0x7f0000000080), 0xffffffffffffffff) (async) sendmsg$IPVS_CMD_FLUSH(r1, &(0x7f0000000140)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x40}, 0xc, &(0x7f0000000100)={&(0x7f00000000c0)={0x30, r2, 0x400, 0x70bd29, 0x25dfdbfc, {}, [@IPVS_CMD_ATTR_DEST={0x1c, 0x2, 0x0, 0x1, [@IPVS_DEST_ATTR_ACTIVE_CONNS={0x8, 0x7, 0xfff}, @IPVS_DEST_ATTR_INACT_CONNS={0x8, 0x8, 0x6}, @IPVS_DEST_ATTR_TUN_FLAGS={0x6, 0xf, 0x2}]}]}, 0x30}, 0x1, 0x0, 0x0, 0x46}, 0x4) (async) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) ioctl$sock_SIOCGIFINDEX_802154(r3, 0x8933, &(0x7f0000000740)={'wpan0\x00'}) (async) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) syz_genetlink_get_family_id$nl802154(&(0x7f00000013c0), 0xffffffffffffffff) (async) sendmsg$NL802154_CMD_GET_WPAN_PHY(r5, &(0x7f0000000cc0)={0x0, 0x0, &(0x7f0000000c80)={&(0x7f0000000c00)={0x30, r6, 0x421, 0x0, 0x0, {}, [@NL802154_ATTR_WPAN_PHY={0x8, 0x1, 0x2}, @NL802154_ATTR_IFINDEX={0x8, 0x3, r4}, @NL802154_ATTR_WPAN_DEV={0xc, 0x6, 0x100000001}]}, 0x30}}, 0x0) (async) sendmsg$NL802154_CMD_SET_CCA_ED_LEVEL(0xffffffffffffffff, &(0x7f0000000280)={&(0x7f0000000180)={0x10, 0x0, 0x0, 0x2}, 0xc, &(0x7f0000000240)={&(0x7f00000002c0)=ANY=[@ANYBLOB="440000000763727208173724c9d91a3fd7185327af5c8ada3a7425df8ea28bb946e9fd2fafc373e03166051b4a8f5ccc075c471a7c0834aaadc709ee225e6c0f24b2a1913cbe005199d807355fc9ebdeb408e5a2c67098fa9748912a", @ANYRES16=0x0, @ANYBLOB="000227bd7000fbdbdf250e00000008000300", @ANYRES32=0x0, @ANYBLOB="0c00060001000000010000000c0006000200000002000000080001000100000008000300", @ANYRES32=r4, @ANYBLOB], 0x44}, 0x1, 0x0, 0x0, 0x890}, 0x40) (async) 12:26:40 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r1) sendmsg$NBD_CMD_DISCONNECT(r0, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}, 0x1, 0x0, 0x0, 0x4000}, 0x4000004) 12:26:40 executing program 3: r0 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x842400) ioctl$NBD_SET_SOCK(r0, 0xab00, 0xffffffffffffffff) 12:26:40 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r1) sendmsg$NBD_CMD_DISCONNECT(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f00000004c0)=ANY=[@ANYRES16=r2, @ANYBLOB="01"], 0x6c}}, 0x0) 12:26:40 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r1) sendmsg$NBD_CMD_DISCONNECT(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000000)=ANY=[@ANYRES16=r2, @ANYBLOB="01002dbd7000fddbdf25020000000c00030001000100", @ANYRES32, @ANYBLOB="0800014036ece3"], 0x6c}}, 0x0) 12:26:40 executing program 4: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x50002) ioctl$NBD_SET_SOCK(r0, 0xab00, 0xffffffffffffffff) r1 = socket$netlink(0x10, 0x3, 0x7) sendmsg$TIPC_CMD_SET_NETID(r1, &(0x7f0000000d80)={0x0, 0x0, &(0x7f0000000d40)={&(0x7f0000000d00)={0x24, 0x0, 0x0, 0x0, 0x0, {{}, {}, {0x8}}}, 0x24}}, 0x0) (async) r2 = syz_genetlink_get_family_id$ipvs(&(0x7f0000000080), 0xffffffffffffffff) sendmsg$IPVS_CMD_FLUSH(r1, &(0x7f0000000140)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x40}, 0xc, &(0x7f0000000100)={&(0x7f00000000c0)={0x30, r2, 0x400, 0x70bd29, 0x25dfdbfc, {}, [@IPVS_CMD_ATTR_DEST={0x1c, 0x2, 0x0, 0x1, [@IPVS_DEST_ATTR_ACTIVE_CONNS={0x8, 0x7, 0xfff}, @IPVS_DEST_ATTR_INACT_CONNS={0x8, 0x8, 0x6}, @IPVS_DEST_ATTR_TUN_FLAGS={0x6, 0xf, 0x2}]}]}, 0x30}, 0x1, 0x0, 0x0, 0x46}, 0x4) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) ioctl$sock_SIOCGIFINDEX_802154(r3, 0x8933, &(0x7f0000000740)={'wpan0\x00', 0x0}) (async) r5 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r6 = syz_genetlink_get_family_id$nl802154(&(0x7f00000013c0), 0xffffffffffffffff) sendmsg$NL802154_CMD_GET_WPAN_PHY(r5, &(0x7f0000000cc0)={0x0, 0x0, &(0x7f0000000c80)={&(0x7f0000000c00)={0x30, r6, 0x421, 0x0, 0x0, {}, [@NL802154_ATTR_WPAN_PHY={0x8, 0x1, 0x2}, @NL802154_ATTR_IFINDEX={0x8, 0x3, r4}, @NL802154_ATTR_WPAN_DEV={0xc, 0x6, 0x100000001}]}, 0x30}}, 0x0) sendmsg$NL802154_CMD_SET_CCA_ED_LEVEL(0xffffffffffffffff, &(0x7f0000000280)={&(0x7f0000000180)={0x10, 0x0, 0x0, 0x2}, 0xc, &(0x7f0000000240)={&(0x7f00000002c0)=ANY=[@ANYBLOB="440000000763727208173724c9d91a3fd7185327af5c8ada3a7425df8ea28bb946e9fd2fafc373e03166051b4a8f5ccc075c471a7c0834aaadc709ee225e6c0f24b2a1913cbe005199d807355fc9ebdeb408e5a2c67098fa9748912a", @ANYRES16=0x0, @ANYBLOB="000227bd7000fbdbdf250e00000008000300", @ANYRES32=0x0, @ANYBLOB="0c00060001000000010000000c0006000200000002000000080001000100000008000300", @ANYRES32=r4, @ANYBLOB], 0x44}, 0x1, 0x0, 0x0, 0x890}, 0x40) [ 360.733879] nbd: must specify an index to disconnect [ 360.744365] netlink: 68 bytes leftover after parsing attributes in process `syz-executor.1'. 12:26:40 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r1) sendmsg$NBD_CMD_DISCONNECT(r0, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}, 0x1, 0x0, 0x0, 0x4000}, 0x4000004) 12:26:40 executing program 1: r0 = openat$vcsa(0xffffffffffffff9c, &(0x7f00000001c0), 0x2, 0x0) write$tcp_congestion(r0, &(0x7f0000000200)='illinois\x00', 0x9) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r3 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r2) r4 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NL802154_CMD_SET_CCA_ED_LEVEL(r4, &(0x7f0000000b40)={&(0x7f0000000a80), 0xc, &(0x7f0000000b00)={&(0x7f0000000ac0)=ANY=[@ANYBLOB="14000000", @ANYRES16=0x0, @ANYBLOB="0101000000000000000e00000000"], 0x14}}, 0x0) r5 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r6 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r7 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r5) sendmsg$NBD_CMD_DISCONNECT(r6, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000080)={0x14, r7, 0x1}, 0x14}, 0x1, 0x0, 0x0, 0x40000c5}, 0x0) sendmsg$NBD_CMD_CONNECT(r4, &(0x7f0000000180)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x2}, 0xc, &(0x7f00000000c0)={&(0x7f0000000080)={0x14, r7, 0x200, 0x70bd2c, 0x25dfdbfd}, 0x14}, 0x1, 0x0, 0x0, 0x800}, 0x1) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f00000004c0)=ANY=[@ANYBLOB='l\x00\x00\x00', @ANYRES16=r3, @ANYBLOB="01002dbd7000fddbdf25020000000c00030001000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB], 0x6c}}, 0x0) openat$vcsa(0xffffffffffffff9c, &(0x7f00000001c0), 0x2, 0x0) (async) write$tcp_congestion(r0, &(0x7f0000000200)='illinois\x00', 0x9) (async) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r2) (async) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) sendmsg$NL802154_CMD_SET_CCA_ED_LEVEL(r4, &(0x7f0000000b40)={&(0x7f0000000a80), 0xc, &(0x7f0000000b00)={&(0x7f0000000ac0)=ANY=[@ANYBLOB="14000000", @ANYRES16=0x0, @ANYBLOB="0101000000000000000e00000000"], 0x14}}, 0x0) (async) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r5) (async) sendmsg$NBD_CMD_DISCONNECT(r6, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000080)={0x14, r7, 0x1}, 0x14}, 0x1, 0x0, 0x0, 0x40000c5}, 0x0) (async) sendmsg$NBD_CMD_CONNECT(r4, &(0x7f0000000180)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x2}, 0xc, &(0x7f00000000c0)={&(0x7f0000000080)={0x14, r7, 0x200, 0x70bd2c, 0x25dfdbfd}, 0x14}, 0x1, 0x0, 0x0, 0x800}, 0x1) (async) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f00000004c0)=ANY=[@ANYBLOB='l\x00\x00\x00', @ANYRES16=r3, @ANYBLOB="01002dbd7000fddbdf25020000000c00030001000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB], 0x6c}}, 0x0) (async) [ 360.813326] nbd: couldn't find device at index -1 12:26:40 executing program 3: r0 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x842400) ioctl$NBD_SET_SOCK(r0, 0xab00, 0xffffffffffffffff) 12:26:40 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r1) sendmsg$NBD_CMD_DISCONNECT(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f00000004c0)=ANY=[@ANYRES16=r2, @ANYBLOB="01"], 0x6c}}, 0x0) 12:26:40 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r1) sendmsg$NBD_CMD_DISCONNECT(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000000)=ANY=[@ANYBLOB, @ANYRES16=r2, @ANYBLOB="01002dbd7000fddbdf25020000000c00030001000100", @ANYRES32, @ANYBLOB="0800014036ece3"], 0x6c}}, 0x0) 12:26:40 executing program 4: syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x40b01) r0 = socket$netlink(0x10, 0x3, 0x7) sendmsg$TIPC_CMD_SET_NETID(r0, &(0x7f0000000d80)={0x0, 0x0, &(0x7f0000000d40)={&(0x7f0000000d00)={0x24, 0x0, 0x0, 0x0, 0x0, {{}, {}, {0x8}}}, 0x24}}, 0x0) getsockname$netlink(r0, &(0x7f0000000040), &(0x7f0000000080)=0xc) 12:26:40 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r1) sendmsg$NBD_CMD_DISCONNECT(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f00000004c0)=ANY=[@ANYRES16=r2, @ANYBLOB="01"], 0x6c}}, 0x0) 12:26:40 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r1) sendmsg$NBD_CMD_DISCONNECT(r0, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={&(0x7f00000000c0)={0x34, 0x0, 0x1, 0x70bd29, 0x25dfdbfb, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x6}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x1}]}, 0x34}, 0x1, 0x0, 0x0, 0x4000}, 0x4000004) 12:26:40 executing program 3: r0 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x842400) ioctl$NBD_SET_SOCK(r0, 0xab00, 0xffffffffffffffff) [ 360.915202] nbd: must specify an index to disconnect [ 360.934787] nbd: couldn't find device at index -1 12:26:40 executing program 1: r0 = openat$vcsa(0xffffffffffffff9c, &(0x7f00000001c0), 0x2, 0x0) write$tcp_congestion(r0, &(0x7f0000000200)='illinois\x00', 0x9) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r3 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r2) (async, rerun: 32) r4 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (rerun: 32) sendmsg$NL802154_CMD_SET_CCA_ED_LEVEL(r4, &(0x7f0000000b40)={&(0x7f0000000a80), 0xc, &(0x7f0000000b00)={&(0x7f0000000ac0)=ANY=[@ANYBLOB="14000000", @ANYRES16=0x0, @ANYBLOB="0101000000000000000e00000000"], 0x14}}, 0x0) (async) r5 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r6 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) r7 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r5) sendmsg$NBD_CMD_DISCONNECT(r6, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000080)={0x14, r7, 0x1}, 0x14}, 0x1, 0x0, 0x0, 0x40000c5}, 0x0) (async, rerun: 32) sendmsg$NBD_CMD_CONNECT(r4, &(0x7f0000000180)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x2}, 0xc, &(0x7f00000000c0)={&(0x7f0000000080)={0x14, r7, 0x200, 0x70bd2c, 0x25dfdbfd}, 0x14}, 0x1, 0x0, 0x0, 0x800}, 0x1) (async, rerun: 32) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f00000004c0)=ANY=[@ANYBLOB='l\x00\x00\x00', @ANYRES16=r3, @ANYBLOB="01002dbd7000fddbdf25020000000c00030001000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB], 0x6c}}, 0x0) 12:26:40 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r1) sendmsg$NBD_CMD_DISCONNECT(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000000)=ANY=[@ANYBLOB, @ANYRES16=r2, @ANYBLOB="01002dbd7000fddbdf25020000000c00030001000100", @ANYRES32, @ANYBLOB="0800014036ece3"], 0x6c}}, 0x0) 12:26:40 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r1) sendmsg$NBD_CMD_DISCONNECT(r0, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={&(0x7f00000000c0)={0x34, 0x0, 0x1, 0x70bd29, 0x25dfdbfb, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x6}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x1}]}, 0x34}, 0x1, 0x0, 0x0, 0x4000}, 0x4000004) 12:26:40 executing program 3: r0 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x200642) sendmsg$BATADV_CMD_GET_VLAN(0xffffffffffffffff, &(0x7f0000000140)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x4000}, 0xc, &(0x7f0000000100)={&(0x7f0000000080)={0x4c, 0x0, 0x1, 0x70bd26, 0x25dfdbfb, {}, [@BATADV_ATTR_ORIG_INTERVAL={0x8, 0x39, 0x7}, @BATADV_ATTR_BRIDGE_LOOP_AVOIDANCE_ENABLED={0x5}, @BATADV_ATTR_GW_BANDWIDTH_DOWN={0x8, 0x31, 0x100}, @BATADV_ATTR_VLANID={0x6, 0x28, 0x1}, @BATADV_ATTR_GW_BANDWIDTH_DOWN={0x8, 0x31, 0xac4}, @BATADV_ATTR_FRAGMENTATION_ENABLED={0x5, 0x30, 0x1}, @BATADV_ATTR_BRIDGE_LOOP_AVOIDANCE_ENABLED={0x5}]}, 0x4c}, 0x1, 0x0, 0x0, 0x10}, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, 0xffffffffffffffff) 12:26:40 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r1) sendmsg$NBD_CMD_DISCONNECT(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f00000004c0)=ANY=[@ANYBLOB, @ANYRES16=r2, @ANYBLOB="01"], 0x6c}}, 0x0) 12:26:40 executing program 4: syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x40b01) r0 = socket$netlink(0x10, 0x3, 0x7) sendmsg$TIPC_CMD_SET_NETID(r0, &(0x7f0000000d80)={0x0, 0x0, &(0x7f0000000d40)={&(0x7f0000000d00)={0x24, 0x0, 0x0, 0x0, 0x0, {{}, {}, {0x8}}}, 0x24}}, 0x0) (async) getsockname$netlink(r0, &(0x7f0000000040), &(0x7f0000000080)=0xc) 12:26:40 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r1) sendmsg$NBD_CMD_DISCONNECT(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000000)=ANY=[@ANYBLOB, @ANYRES16=r2, @ANYBLOB="01002dbd7000fddbdf25020000000c00030001000100", @ANYRES32, @ANYBLOB="0800014036ece3"], 0x6c}}, 0x0) 12:26:40 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r1) sendmsg$NBD_CMD_DISCONNECT(r0, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={&(0x7f00000000c0)={0x34, 0x0, 0x1, 0x70bd29, 0x25dfdbfb, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x6}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x1}]}, 0x34}, 0x1, 0x0, 0x0, 0x4000}, 0x4000004) 12:26:40 executing program 3: r0 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x200642) sendmsg$BATADV_CMD_GET_VLAN(0xffffffffffffffff, &(0x7f0000000140)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x4000}, 0xc, &(0x7f0000000100)={&(0x7f0000000080)={0x4c, 0x0, 0x1, 0x70bd26, 0x25dfdbfb, {}, [@BATADV_ATTR_ORIG_INTERVAL={0x8, 0x39, 0x7}, @BATADV_ATTR_BRIDGE_LOOP_AVOIDANCE_ENABLED={0x5}, @BATADV_ATTR_GW_BANDWIDTH_DOWN={0x8, 0x31, 0x100}, @BATADV_ATTR_VLANID={0x6, 0x28, 0x1}, @BATADV_ATTR_GW_BANDWIDTH_DOWN={0x8, 0x31, 0xac4}, @BATADV_ATTR_FRAGMENTATION_ENABLED={0x5, 0x30, 0x1}, @BATADV_ATTR_BRIDGE_LOOP_AVOIDANCE_ENABLED={0x5}]}, 0x4c}, 0x1, 0x0, 0x0, 0x10}, 0x0) (async) ioctl$NBD_SET_SOCK(r0, 0xab00, 0xffffffffffffffff) 12:26:40 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r1) sendmsg$NBD_CMD_DISCONNECT(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f00000004c0)=ANY=[@ANYBLOB, @ANYRES16=r2, @ANYBLOB="01"], 0x6c}}, 0x0) 12:26:40 executing program 4: syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x40b01) r0 = socket$netlink(0x10, 0x3, 0x7) sendmsg$TIPC_CMD_SET_NETID(r0, &(0x7f0000000d80)={0x0, 0x0, &(0x7f0000000d40)={&(0x7f0000000d00)={0x24, 0x0, 0x0, 0x0, 0x0, {{}, {}, {0x8}}}, 0x24}}, 0x0) getsockname$netlink(r0, &(0x7f0000000040), &(0x7f0000000080)=0xc) syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x40b01) (async) socket$netlink(0x10, 0x3, 0x7) (async) sendmsg$TIPC_CMD_SET_NETID(r0, &(0x7f0000000d80)={0x0, 0x0, &(0x7f0000000d40)={&(0x7f0000000d00)={0x24, 0x0, 0x0, 0x0, 0x0, {{}, {}, {0x8}}}, 0x24}}, 0x0) (async) getsockname$netlink(r0, &(0x7f0000000040), &(0x7f0000000080)=0xc) (async) [ 361.108092] nbd: couldn't find device at index -1 [ 361.123107] nbd: couldn't find device at index -1 [ 361.133894] nbd: couldn't find device at index -1 [ 361.143339] nbd: couldn't find device at index -1 12:26:40 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r1) sendmsg$NBD_CMD_DISCONNECT(r0, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={&(0x7f00000000c0)={0x34, r2, 0x0, 0x70bd29, 0x25dfdbfb, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x6}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x1}]}, 0x34}, 0x1, 0x0, 0x0, 0x4000}, 0x4000004) [ 361.170908] nbd: couldn't find device at index -1 [ 361.201246] nbd: couldn't find device at index -1 [ 361.217678] nbd: couldn't find device at index -1 [ 361.226793] nbd: couldn't find device at index -1 [ 361.233165] nbd: couldn't find device at index -1 [ 361.239149] nbd: couldn't find device at index -1 [ 361.244310] nbd: couldn't find device at index -1 [ 361.256304] nbd: couldn't find device at index -1 [ 361.261585] nbd: couldn't find device at index -1 [ 361.267056] nbd: couldn't find device at index -1 [ 361.272882] nbd: couldn't find device at index -1 [ 361.280911] nbd: couldn't find device at index -1 [ 361.285886] nbd: couldn't find device at index -1 [ 361.290946] nbd: couldn't find device at index -1 [ 361.296005] nbd: couldn't find device at index -1 [ 361.301231] nbd: couldn't find device at index -1 [ 361.306191] nbd: couldn't find device at index -1 [ 361.311511] nbd: couldn't find device at index -1 [ 361.316503] nbd: couldn't find device at index -1 [ 361.321880] nbd: couldn't find device at index -1 [ 361.326851] nbd: couldn't find device at index -1 [ 361.332733] nbd: couldn't find device at index -1 [ 361.337700] nbd: couldn't find device at index -1 [ 361.342936] nbd: couldn't find device at index -1 [ 361.347902] nbd: couldn't find device at index -1 12:26:40 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r1) sendmsg$NBD_CMD_DISCONNECT(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000080)=ANY=[@ANYBLOB='l\x00\x00\x00', @ANYRES16=r2, @ANYBLOB="01002dbd7000fddbdf25020000000c000300010001003a8ace6b963f7fcb963819e55c02193496eac1cd266dc224d712a49e471fb2a5b1ee14c208a87d9bf907914da0df36c4118c81618c49d9cf62cf1f0209a07262c1de4b6df44fd8f4294a", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB], 0x6c}}, 0x0) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NL802154_CMD_SET_CCA_ED_LEVEL(r3, &(0x7f0000000b40)={&(0x7f0000000a80), 0xc, &(0x7f0000000b00)={&(0x7f0000000ac0)={0x14, 0x0, 0x1}, 0x14}}, 0x0) sendmsg$NL802154_CMD_SET_CCA_MODE(r3, &(0x7f0000000200)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x200000}, 0xc, &(0x7f00000001c0)={&(0x7f0000000180)={0x38, 0x0, 0x1, 0x70bd27, 0x0, {}, [@NL802154_ATTR_CCA_OPT={0x8}, @NL802154_ATTR_CCA_OPT={0x8}, @NL802154_ATTR_CCA_OPT={0x8, 0xd, 0x4ae7ae6e374c1d12}, @NL802154_ATTR_WPAN_DEV={0xc}]}, 0x38}, 0x1, 0x0, 0x0, 0x800}, 0x8000) 12:26:40 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r1) sendmsg$NBD_CMD_DISCONNECT(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000000)=ANY=[@ANYBLOB='l\x00', @ANYRES16=r2, @ANYBLOB="01002dbd7000fddbdf25020000000c00030001000100", @ANYRES32, @ANYBLOB="0800014036ece3"], 0x6c}}, 0x0) 12:26:40 executing program 3: r0 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x200642) sendmsg$BATADV_CMD_GET_VLAN(0xffffffffffffffff, &(0x7f0000000140)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x4000}, 0xc, &(0x7f0000000100)={&(0x7f0000000080)={0x4c, 0x0, 0x1, 0x70bd26, 0x25dfdbfb, {}, [@BATADV_ATTR_ORIG_INTERVAL={0x8, 0x39, 0x7}, @BATADV_ATTR_BRIDGE_LOOP_AVOIDANCE_ENABLED={0x5}, @BATADV_ATTR_GW_BANDWIDTH_DOWN={0x8, 0x31, 0x100}, @BATADV_ATTR_VLANID={0x6, 0x28, 0x1}, @BATADV_ATTR_GW_BANDWIDTH_DOWN={0x8, 0x31, 0xac4}, @BATADV_ATTR_FRAGMENTATION_ENABLED={0x5, 0x30, 0x1}, @BATADV_ATTR_BRIDGE_LOOP_AVOIDANCE_ENABLED={0x5}]}, 0x4c}, 0x1, 0x0, 0x0, 0x10}, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, 0xffffffffffffffff) syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x200642) (async) sendmsg$BATADV_CMD_GET_VLAN(0xffffffffffffffff, &(0x7f0000000140)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x4000}, 0xc, &(0x7f0000000100)={&(0x7f0000000080)={0x4c, 0x0, 0x1, 0x70bd26, 0x25dfdbfb, {}, [@BATADV_ATTR_ORIG_INTERVAL={0x8, 0x39, 0x7}, @BATADV_ATTR_BRIDGE_LOOP_AVOIDANCE_ENABLED={0x5}, @BATADV_ATTR_GW_BANDWIDTH_DOWN={0x8, 0x31, 0x100}, @BATADV_ATTR_VLANID={0x6, 0x28, 0x1}, @BATADV_ATTR_GW_BANDWIDTH_DOWN={0x8, 0x31, 0xac4}, @BATADV_ATTR_FRAGMENTATION_ENABLED={0x5, 0x30, 0x1}, @BATADV_ATTR_BRIDGE_LOOP_AVOIDANCE_ENABLED={0x5}]}, 0x4c}, 0x1, 0x0, 0x0, 0x10}, 0x0) (async) ioctl$NBD_SET_SOCK(r0, 0xab00, 0xffffffffffffffff) (async) 12:26:40 executing program 4: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x40b01) ioctl$NBD_SET_SOCK(r0, 0xab00, 0xffffffffffffffff) r1 = openat$null(0xffffffffffffff9c, 0x0, 0x0, 0x0) mmap$perf(&(0x7f0000ffe000/0x2000)=nil, 0x2000, 0x0, 0x10, r1, 0x0) r2 = socket$netlink(0x10, 0x3, 0x7) sendmsg$TIPC_CMD_SET_NETID(r2, &(0x7f0000000d80)={0x0, 0x0, &(0x7f0000000d40)={&(0x7f0000000d00)={0x24, 0x0, 0x0, 0x0, 0x0, {{}, {}, {0x8}}}, 0x24}}, 0x0) r3 = syz_genetlink_get_family_id$ipvs(&(0x7f0000000300), r1) sendmsg$IPVS_CMD_SET_INFO(r2, &(0x7f0000000400)={&(0x7f00000002c0)={0x10, 0x0, 0x0, 0x400000}, 0xc, &(0x7f00000003c0)={&(0x7f0000000340)={0x70, r3, 0x80, 0x70bd2c, 0x25dfdbfc, {}, [@IPVS_CMD_ATTR_TIMEOUT_TCP_FIN={0x8, 0x5, 0x5cb0}, @IPVS_CMD_ATTR_DEST={0x54, 0x2, 0x0, 0x1, [@IPVS_DEST_ATTR_ADDR_FAMILY={0x6, 0xb, 0x2}, @IPVS_DEST_ATTR_TUN_FLAGS={0x6, 0xf, 0x2}, @IPVS_DEST_ATTR_WEIGHT={0x8, 0x4, 0x3ff}, @IPVS_DEST_ATTR_INACT_CONNS={0x8, 0x8, 0xfe2}, @IPVS_DEST_ATTR_FWD_METHOD={0x8, 0x3, 0x2}, @IPVS_DEST_ATTR_PORT={0x6, 0x2, 0x4e24}, @IPVS_DEST_ATTR_WEIGHT={0x8, 0x4, 0xfffffffc}, @IPVS_DEST_ATTR_ADDR_FAMILY={0x6, 0xb, 0x2}, @IPVS_DEST_ATTR_ACTIVE_CONNS={0x8, 0x7, 0x4}, @IPVS_DEST_ATTR_WEIGHT={0x8, 0x4, 0x8000}]}]}, 0x70}, 0x1, 0x0, 0x0, 0x20048005}, 0x0) r4 = openat$null(0xffffffffffffff9c, &(0x7f0000000180), 0x400000, 0x0) sendmsg$NBD_CMD_DISCONNECT(0xffffffffffffffff, &(0x7f0000000280)={&(0x7f0000000140)={0x10, 0x0, 0x0, 0x40000000}, 0xc, &(0x7f0000000240)={&(0x7f00000001c0)={0x4c, 0x0, 0x206, 0x70bd27, 0x25dfdbfb, {}, [@NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8, 0x1, r1}, {0x8, 0x1, r4}]}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x103}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x2}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x5}]}, 0x4c}, 0x1, 0x0, 0x0, 0x20000040}, 0x40000) r5 = socket$netlink(0x10, 0x3, 0x7) sendmsg$TIPC_CMD_SET_NETID(r5, &(0x7f0000000d80)={0x0, 0x0, &(0x7f0000000d40)={&(0x7f0000000d00)={0x24, 0x0, 0x0, 0x0, 0x0, {{}, {}, {0x8}}}, 0x24}}, 0x0) sendmsg$IPVS_CMD_GET_DAEMON(r5, &(0x7f0000000640)={&(0x7f0000000440)={0x10, 0x0, 0x0, 0x200}, 0xc, &(0x7f0000000600)={&(0x7f0000000480)={0x158, r3, 0x2, 0x70bd28, 0x25dfdbfc, {}, [@IPVS_CMD_ATTR_TIMEOUT_UDP={0x8, 0x6, 0x6}, @IPVS_CMD_ATTR_TIMEOUT_UDP={0x8, 0x6, 0x4}, @IPVS_CMD_ATTR_TIMEOUT_TCP_FIN={0x8, 0x5, 0x8}, @IPVS_CMD_ATTR_DEST={0x3c, 0x2, 0x0, 0x1, [@IPVS_DEST_ATTR_TUN_FLAGS={0x6, 0xf, 0x3}, @IPVS_DEST_ATTR_ADDR_FAMILY={0x6, 0xb, 0xa}, @IPVS_DEST_ATTR_TUN_FLAGS={0x6, 0xf, 0x8}, @IPVS_DEST_ATTR_PERSIST_CONNS={0x8, 0x9, 0x6fe}, @IPVS_DEST_ATTR_FWD_METHOD={0x8, 0x3, 0x2}, @IPVS_DEST_ATTR_L_THRESH={0x8, 0x6, 0x1000}, @IPVS_DEST_ATTR_U_THRESH={0x8, 0x5, 0x8}]}, @IPVS_CMD_ATTR_TIMEOUT_TCP_FIN={0x8, 0x5, 0x512}, @IPVS_CMD_ATTR_DAEMON={0x6c, 0x3, 0x0, 0x1, [@IPVS_DAEMON_ATTR_MCAST_IFN={0x14, 0x2, 'syz_tun\x00'}, @IPVS_DAEMON_ATTR_MCAST_TTL={0x5, 0x8, 0x7}, @IPVS_DAEMON_ATTR_MCAST_GROUP={0x8, 0x5, @initdev={0xac, 0x1e, 0x0, 0x0}}, @IPVS_DAEMON_ATTR_MCAST_IFN={0x14, 0x2, 'wg1\x00'}, @IPVS_DAEMON_ATTR_MCAST_TTL={0x5, 0x8, 0x1}, @IPVS_DAEMON_ATTR_STATE={0x8, 0x1, 0x1}, @IPVS_DAEMON_ATTR_MCAST_TTL={0x5, 0x8, 0x3}, @IPVS_DAEMON_ATTR_SYNC_MAXLEN={0x6, 0x4, 0x5}, @IPVS_DAEMON_ATTR_STATE={0x8, 0x1, 0x2}, @IPVS_DAEMON_ATTR_SYNC_ID={0x8, 0x3, 0x2}]}, @IPVS_CMD_ATTR_DEST={0x48, 0x2, 0x0, 0x1, [@IPVS_DEST_ATTR_PERSIST_CONNS={0x8, 0x9, 0x252}, @IPVS_DEST_ATTR_INACT_CONNS={0x8, 0x8, 0x400}, @IPVS_DEST_ATTR_L_THRESH={0x8}, @IPVS_DEST_ATTR_TUN_TYPE={0x5}, @IPVS_DEST_ATTR_U_THRESH={0x8, 0x5, 0x1}, @IPVS_DEST_ATTR_ADDR={0x14, 0x1, @ipv6=@private0={0xfc, 0x0, '\x00', 0x1}}, @IPVS_DEST_ATTR_PORT={0x6, 0x2, 0x4e22}]}, @IPVS_CMD_ATTR_TIMEOUT_TCP_FIN={0x8, 0x5, 0x4}, @IPVS_CMD_ATTR_SERVICE={0x24, 0x1, 0x0, 0x1, [@IPVS_SVC_ATTR_PE_NAME={0x8}, @IPVS_SVC_ATTR_PE_NAME={0x8}, @IPVS_SVC_ATTR_PE_NAME={0x8}, @IPVS_SVC_ATTR_FWMARK={0x8, 0x5, 0x1}]}, @IPVS_CMD_ATTR_TIMEOUT_TCP={0x8}]}, 0x158}, 0x1, 0x0, 0x0, 0x20010800}, 0x0) getgid() r6 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_DISCONNECT(r6, &(0x7f0000000100)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x20000000}, 0xc, &(0x7f00000000c0)={&(0x7f0000000080)={0x1c, 0x0, 0x800, 0x70bd2c, 0x25dfdbfb, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x1c}, 0x1, 0x0, 0x0, 0x20004000}, 0x8000) r7 = openat$null(0xffffffffffffff9c, &(0x7f0000000740), 0x204402, 0x0) r8 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r9 = syz_genetlink_get_family_id$nl802154(&(0x7f00000007c0), r6) ioctl$sock_SIOCGIFINDEX_802154(r6, 0x8933, &(0x7f0000000800)={'wpan1\x00', 0x0}) sendmsg$NL802154_CMD_NEW_SEC_DEVKEY(r8, &(0x7f0000000ac0)={&(0x7f0000000780)={0x10, 0x0, 0x0, 0x40000000}, 0xc, &(0x7f0000000a80)={&(0x7f0000000840)={0x210, r9, 0x4, 0x70bd29, 0x25dfdbfe, {}, [@NL802154_ATTR_IFINDEX={0x8, 0x3, r10}, @NL802154_ATTR_WPAN_DEV={0xc}, @NL802154_ATTR_WPAN_DEV={0xc, 0x6, 0x100000001}, @NL802154_ATTR_SEC_DEVKEY={0xa8, 0x24, 0x0, 0x1, [@NL802154_DEVKEY_ATTR_ID={0x2c, 0x3, 0x0, 0x1, [@NL802154_KEY_ID_ATTR_SOURCE_EXTENDED={0xc, 0x5, 0xfffffffffffffff3}, @NL802154_KEY_ID_ATTR_MODE={0x8, 0x1, 0x3}, @NL802154_KEY_ID_ATTR_MODE={0x8, 0x1, 0x3}, @NL802154_KEY_ID_ATTR_SOURCE_EXTENDED={0xc, 0x5, 0x9}]}, @NL802154_DEVKEY_ATTR_EXTENDED_ADDR={0xc, 0x2, {0xaaaaaaaaaaaa0102}}, @NL802154_DEVKEY_ATTR_EXTENDED_ADDR={0xc, 0x2, {0xaaaaaaaaaaaa0302}}, @NL802154_DEVKEY_ATTR_EXTENDED_ADDR={0xc, 0x2, {0xaaaaaaaaaaaa0102}}, @NL802154_DEVKEY_ATTR_EXTENDED_ADDR={0xc, 0x2, {0xaaaaaaaaaaaa0102}}, @NL802154_DEVKEY_ATTR_FRAME_COUNTER={0x8}, @NL802154_DEVKEY_ATTR_ID={0x1c, 0x3, 0x0, 0x1, [@NL802154_KEY_ID_ATTR_INDEX={0x5, 0x2, 0x1}, @NL802154_KEY_ID_ATTR_MODE={0x8, 0x1, 0x2}, @NL802154_KEY_ID_ATTR_INDEX={0x5, 0x2, 0x2}]}, @NL802154_DEVKEY_ATTR_EXTENDED_ADDR={0xc, 0x2, {0xaaaaaaaaaaaa0302}}, @NL802154_DEVKEY_ATTR_ID={0x18, 0x3, 0x0, 0x1, [@NL802154_KEY_ID_ATTR_IMPLICIT={0xc, 0x3, 0x0, 0x1, [@NL802154_DEV_ADDR_ATTR_SHORT={0x6, 0x3, 0xaaa2}]}, @NL802154_KEY_ID_ATTR_MODE={0x8}]}]}, @NL802154_ATTR_SEC_DEVKEY={0x1c, 0x24, 0x0, 0x1, [@NL802154_DEVKEY_ATTR_FRAME_COUNTER={0x8, 0x1, 0x7ff}, @NL802154_DEVKEY_ATTR_EXTENDED_ADDR={0xc, 0x2, {0xaaaaaaaaaaaa0102}}, @NL802154_DEVKEY_ATTR_ID={0x4}]}, @NL802154_ATTR_IFINDEX={0x8}, @NL802154_ATTR_WPAN_DEV={0xc, 0x6, 0x3}, @NL802154_ATTR_SEC_DEVKEY={0x48, 0x24, 0x0, 0x1, [@NL802154_DEVKEY_ATTR_FRAME_COUNTER={0x8, 0x1, 0x16}, @NL802154_DEVKEY_ATTR_EXTENDED_ADDR={0xc}, @NL802154_DEVKEY_ATTR_FRAME_COUNTER={0x8, 0x1, 0x9}, @NL802154_DEVKEY_ATTR_EXTENDED_ADDR={0xc, 0x2, {0xaaaaaaaaaaaa0102}}, @NL802154_DEVKEY_ATTR_FRAME_COUNTER={0x8, 0x1, 0xd8}, @NL802154_DEVKEY_ATTR_FRAME_COUNTER={0x8, 0x1, 0x7f}, @NL802154_DEVKEY_ATTR_ID={0xc, 0x3, 0x0, 0x1, [@NL802154_KEY_ID_ATTR_SOURCE_SHORT={0x8, 0x4, 0x4}]}]}, @NL802154_ATTR_SEC_DEVKEY={0xbc, 0x24, 0x0, 0x1, [@NL802154_DEVKEY_ATTR_EXTENDED_ADDR={0xc, 0x2, {0xaaaaaaaaaaaa0202}}, @NL802154_DEVKEY_ATTR_ID={0x34, 0x3, 0x0, 0x1, [@NL802154_KEY_ID_ATTR_MODE={0x8, 0x1, 0x2b5}, @NL802154_KEY_ID_ATTR_SOURCE_SHORT={0x8, 0x4, 0x400}, @NL802154_KEY_ID_ATTR_SOURCE_EXTENDED={0xc, 0x5, 0x35184375}, @NL802154_KEY_ID_ATTR_MODE={0x8, 0x1, 0x4}, @NL802154_KEY_ID_ATTR_SOURCE_EXTENDED={0xc, 0x5, 0x1ff}]}, @NL802154_DEVKEY_ATTR_EXTENDED_ADDR={0xc, 0x2, {0xaaaaaaaaaaaa0202}}, @NL802154_DEVKEY_ATTR_EXTENDED_ADDR={0xc, 0x2, {0xaaaaaaaaaaaa0002}}, @NL802154_DEVKEY_ATTR_EXTENDED_ADDR={0xc, 0x2, {0xaaaaaaaaaaaa0102}}, @NL802154_DEVKEY_ATTR_FRAME_COUNTER={0x8, 0x1, 0x4}, @NL802154_DEVKEY_ATTR_ID={0x44, 0x3, 0x0, 0x1, [@NL802154_KEY_ID_ATTR_SOURCE_EXTENDED={0xc, 0x5, 0x2}, @NL802154_KEY_ID_ATTR_IMPLICIT={0x24, 0x3, 0x0, 0x1, [@NL802154_DEV_ADDR_ATTR_MODE={0x8}, @NL802154_DEV_ADDR_ATTR_PAN_ID={0x6, 0x1, 0x3}, @NL802154_DEV_ADDR_ATTR_SHORT={0x6}, @NL802154_DEV_ADDR_ATTR_SHORT={0x6, 0x3, 0xaaa1}]}, @NL802154_KEY_ID_ATTR_SOURCE_SHORT={0x8, 0x4, 0x2d}, @NL802154_KEY_ID_ATTR_INDEX={0x5, 0x2, 0x3}]}, @NL802154_DEVKEY_ATTR_FRAME_COUNTER={0x8, 0x1, 0x7fff}]}]}, 0x210}}, 0x20004800) perf_event_open$cgroup(&(0x7f00000006c0)={0x6, 0x80, 0xff, 0x3b, 0xd6, 0x9, 0x0, 0x3, 0x4a520, 0x0, 0x1, 0x1, 0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1, 0x0, 0x1, 0x0, 0x1, 0x0, 0x0, 0x1, 0x1, 0x0, 0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x1, 0x0, 0x1, 0x1, 0x1, 0x0, 0x1, 0x0, 0x0, 0x1, 0x1, 0x0, 0x10000, 0x0, @perf_bp={&(0x7f0000000680), 0x1}, 0x0, 0x8, 0x10000, 0x4, 0x2, 0x1000, 0x1, 0x0, 0x2, 0x0, 0x8}, r7, 0xb, 0xffffffffffffffff, 0x0) 12:26:40 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r1) sendmsg$NBD_CMD_DISCONNECT(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f00000004c0)=ANY=[@ANYBLOB, @ANYRES16=r2, @ANYBLOB="01"], 0x6c}}, 0x0) 12:26:40 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r1) sendmsg$NBD_CMD_DISCONNECT(r0, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={&(0x7f00000000c0)={0x34, r2, 0x0, 0x70bd29, 0x25dfdbfb, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x6}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x1}]}, 0x34}, 0x1, 0x0, 0x0, 0x4000}, 0x4000004) [ 361.353216] nbd: couldn't find device at index -1 [ 361.358279] nbd: couldn't find device at index -1 [ 361.363328] nbd: couldn't find device at index -1 [ 361.368452] nbd: couldn't find device at index -1 [ 361.373413] nbd: couldn't find device at index -1 12:26:41 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r1) sendmsg$NBD_CMD_DISCONNECT(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f00000004c0)=ANY=[@ANYBLOB="1000", @ANYRES16=r2, @ANYBLOB="01"], 0x6c}}, 0x0) 12:26:41 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r1) sendmsg$NBD_CMD_DISCONNECT(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000000)=ANY=[@ANYBLOB='l\x00', @ANYRES16=r2, @ANYBLOB="01002dbd7000fddbdf25020000000c00030001000100", @ANYRES32, @ANYBLOB="0800014036ece3"], 0x6c}}, 0x0) 12:26:41 executing program 4: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x40b01) ioctl$NBD_SET_SOCK(r0, 0xab00, 0xffffffffffffffff) r1 = openat$null(0xffffffffffffff9c, 0x0, 0x0, 0x0) mmap$perf(&(0x7f0000ffe000/0x2000)=nil, 0x2000, 0x0, 0x10, r1, 0x0) r2 = socket$netlink(0x10, 0x3, 0x7) sendmsg$TIPC_CMD_SET_NETID(r2, &(0x7f0000000d80)={0x0, 0x0, &(0x7f0000000d40)={&(0x7f0000000d00)={0x24, 0x0, 0x0, 0x0, 0x0, {{}, {}, {0x8}}}, 0x24}}, 0x0) r3 = syz_genetlink_get_family_id$ipvs(&(0x7f0000000300), r1) sendmsg$IPVS_CMD_SET_INFO(r2, &(0x7f0000000400)={&(0x7f00000002c0)={0x10, 0x0, 0x0, 0x400000}, 0xc, &(0x7f00000003c0)={&(0x7f0000000340)={0x70, r3, 0x80, 0x70bd2c, 0x25dfdbfc, {}, [@IPVS_CMD_ATTR_TIMEOUT_TCP_FIN={0x8, 0x5, 0x5cb0}, @IPVS_CMD_ATTR_DEST={0x54, 0x2, 0x0, 0x1, [@IPVS_DEST_ATTR_ADDR_FAMILY={0x6, 0xb, 0x2}, @IPVS_DEST_ATTR_TUN_FLAGS={0x6, 0xf, 0x2}, @IPVS_DEST_ATTR_WEIGHT={0x8, 0x4, 0x3ff}, @IPVS_DEST_ATTR_INACT_CONNS={0x8, 0x8, 0xfe2}, @IPVS_DEST_ATTR_FWD_METHOD={0x8, 0x3, 0x2}, @IPVS_DEST_ATTR_PORT={0x6, 0x2, 0x4e24}, @IPVS_DEST_ATTR_WEIGHT={0x8, 0x4, 0xfffffffc}, @IPVS_DEST_ATTR_ADDR_FAMILY={0x6, 0xb, 0x2}, @IPVS_DEST_ATTR_ACTIVE_CONNS={0x8, 0x7, 0x4}, @IPVS_DEST_ATTR_WEIGHT={0x8, 0x4, 0x8000}]}]}, 0x70}, 0x1, 0x0, 0x0, 0x20048005}, 0x0) r4 = openat$null(0xffffffffffffff9c, &(0x7f0000000180), 0x400000, 0x0) sendmsg$NBD_CMD_DISCONNECT(0xffffffffffffffff, &(0x7f0000000280)={&(0x7f0000000140)={0x10, 0x0, 0x0, 0x40000000}, 0xc, &(0x7f0000000240)={&(0x7f00000001c0)={0x4c, 0x0, 0x206, 0x70bd27, 0x25dfdbfb, {}, [@NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8, 0x1, r1}, {0x8, 0x1, r4}]}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x103}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x2}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x5}]}, 0x4c}, 0x1, 0x0, 0x0, 0x20000040}, 0x40000) r5 = socket$netlink(0x10, 0x3, 0x7) sendmsg$TIPC_CMD_SET_NETID(r5, &(0x7f0000000d80)={0x0, 0x0, &(0x7f0000000d40)={&(0x7f0000000d00)={0x24, 0x0, 0x0, 0x0, 0x0, {{}, {}, {0x8}}}, 0x24}}, 0x0) (async, rerun: 32) sendmsg$IPVS_CMD_GET_DAEMON(r5, &(0x7f0000000640)={&(0x7f0000000440)={0x10, 0x0, 0x0, 0x200}, 0xc, &(0x7f0000000600)={&(0x7f0000000480)={0x158, r3, 0x2, 0x70bd28, 0x25dfdbfc, {}, [@IPVS_CMD_ATTR_TIMEOUT_UDP={0x8, 0x6, 0x6}, @IPVS_CMD_ATTR_TIMEOUT_UDP={0x8, 0x6, 0x4}, @IPVS_CMD_ATTR_TIMEOUT_TCP_FIN={0x8, 0x5, 0x8}, @IPVS_CMD_ATTR_DEST={0x3c, 0x2, 0x0, 0x1, [@IPVS_DEST_ATTR_TUN_FLAGS={0x6, 0xf, 0x3}, @IPVS_DEST_ATTR_ADDR_FAMILY={0x6, 0xb, 0xa}, @IPVS_DEST_ATTR_TUN_FLAGS={0x6, 0xf, 0x8}, @IPVS_DEST_ATTR_PERSIST_CONNS={0x8, 0x9, 0x6fe}, @IPVS_DEST_ATTR_FWD_METHOD={0x8, 0x3, 0x2}, @IPVS_DEST_ATTR_L_THRESH={0x8, 0x6, 0x1000}, @IPVS_DEST_ATTR_U_THRESH={0x8, 0x5, 0x8}]}, @IPVS_CMD_ATTR_TIMEOUT_TCP_FIN={0x8, 0x5, 0x512}, @IPVS_CMD_ATTR_DAEMON={0x6c, 0x3, 0x0, 0x1, [@IPVS_DAEMON_ATTR_MCAST_IFN={0x14, 0x2, 'syz_tun\x00'}, @IPVS_DAEMON_ATTR_MCAST_TTL={0x5, 0x8, 0x7}, @IPVS_DAEMON_ATTR_MCAST_GROUP={0x8, 0x5, @initdev={0xac, 0x1e, 0x0, 0x0}}, @IPVS_DAEMON_ATTR_MCAST_IFN={0x14, 0x2, 'wg1\x00'}, @IPVS_DAEMON_ATTR_MCAST_TTL={0x5, 0x8, 0x1}, @IPVS_DAEMON_ATTR_STATE={0x8, 0x1, 0x1}, @IPVS_DAEMON_ATTR_MCAST_TTL={0x5, 0x8, 0x3}, @IPVS_DAEMON_ATTR_SYNC_MAXLEN={0x6, 0x4, 0x5}, @IPVS_DAEMON_ATTR_STATE={0x8, 0x1, 0x2}, @IPVS_DAEMON_ATTR_SYNC_ID={0x8, 0x3, 0x2}]}, @IPVS_CMD_ATTR_DEST={0x48, 0x2, 0x0, 0x1, [@IPVS_DEST_ATTR_PERSIST_CONNS={0x8, 0x9, 0x252}, @IPVS_DEST_ATTR_INACT_CONNS={0x8, 0x8, 0x400}, @IPVS_DEST_ATTR_L_THRESH={0x8}, @IPVS_DEST_ATTR_TUN_TYPE={0x5}, @IPVS_DEST_ATTR_U_THRESH={0x8, 0x5, 0x1}, @IPVS_DEST_ATTR_ADDR={0x14, 0x1, @ipv6=@private0={0xfc, 0x0, '\x00', 0x1}}, @IPVS_DEST_ATTR_PORT={0x6, 0x2, 0x4e22}]}, @IPVS_CMD_ATTR_TIMEOUT_TCP_FIN={0x8, 0x5, 0x4}, @IPVS_CMD_ATTR_SERVICE={0x24, 0x1, 0x0, 0x1, [@IPVS_SVC_ATTR_PE_NAME={0x8}, @IPVS_SVC_ATTR_PE_NAME={0x8}, @IPVS_SVC_ATTR_PE_NAME={0x8}, @IPVS_SVC_ATTR_FWMARK={0x8, 0x5, 0x1}]}, @IPVS_CMD_ATTR_TIMEOUT_TCP={0x8}]}, 0x158}, 0x1, 0x0, 0x0, 0x20010800}, 0x0) (rerun: 32) getgid() r6 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_DISCONNECT(r6, &(0x7f0000000100)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x20000000}, 0xc, &(0x7f00000000c0)={&(0x7f0000000080)={0x1c, 0x0, 0x800, 0x70bd2c, 0x25dfdbfb, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x1c}, 0x1, 0x0, 0x0, 0x20004000}, 0x8000) r7 = openat$null(0xffffffffffffff9c, &(0x7f0000000740), 0x204402, 0x0) r8 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) r9 = syz_genetlink_get_family_id$nl802154(&(0x7f00000007c0), r6) (async) ioctl$sock_SIOCGIFINDEX_802154(r6, 0x8933, &(0x7f0000000800)={'wpan1\x00', 0x0}) sendmsg$NL802154_CMD_NEW_SEC_DEVKEY(r8, &(0x7f0000000ac0)={&(0x7f0000000780)={0x10, 0x0, 0x0, 0x40000000}, 0xc, &(0x7f0000000a80)={&(0x7f0000000840)={0x210, r9, 0x4, 0x70bd29, 0x25dfdbfe, {}, [@NL802154_ATTR_IFINDEX={0x8, 0x3, r10}, @NL802154_ATTR_WPAN_DEV={0xc}, @NL802154_ATTR_WPAN_DEV={0xc, 0x6, 0x100000001}, @NL802154_ATTR_SEC_DEVKEY={0xa8, 0x24, 0x0, 0x1, [@NL802154_DEVKEY_ATTR_ID={0x2c, 0x3, 0x0, 0x1, [@NL802154_KEY_ID_ATTR_SOURCE_EXTENDED={0xc, 0x5, 0xfffffffffffffff3}, @NL802154_KEY_ID_ATTR_MODE={0x8, 0x1, 0x3}, @NL802154_KEY_ID_ATTR_MODE={0x8, 0x1, 0x3}, @NL802154_KEY_ID_ATTR_SOURCE_EXTENDED={0xc, 0x5, 0x9}]}, @NL802154_DEVKEY_ATTR_EXTENDED_ADDR={0xc, 0x2, {0xaaaaaaaaaaaa0102}}, @NL802154_DEVKEY_ATTR_EXTENDED_ADDR={0xc, 0x2, {0xaaaaaaaaaaaa0302}}, @NL802154_DEVKEY_ATTR_EXTENDED_ADDR={0xc, 0x2, {0xaaaaaaaaaaaa0102}}, @NL802154_DEVKEY_ATTR_EXTENDED_ADDR={0xc, 0x2, {0xaaaaaaaaaaaa0102}}, @NL802154_DEVKEY_ATTR_FRAME_COUNTER={0x8}, @NL802154_DEVKEY_ATTR_ID={0x1c, 0x3, 0x0, 0x1, [@NL802154_KEY_ID_ATTR_INDEX={0x5, 0x2, 0x1}, @NL802154_KEY_ID_ATTR_MODE={0x8, 0x1, 0x2}, @NL802154_KEY_ID_ATTR_INDEX={0x5, 0x2, 0x2}]}, @NL802154_DEVKEY_ATTR_EXTENDED_ADDR={0xc, 0x2, {0xaaaaaaaaaaaa0302}}, @NL802154_DEVKEY_ATTR_ID={0x18, 0x3, 0x0, 0x1, [@NL802154_KEY_ID_ATTR_IMPLICIT={0xc, 0x3, 0x0, 0x1, [@NL802154_DEV_ADDR_ATTR_SHORT={0x6, 0x3, 0xaaa2}]}, @NL802154_KEY_ID_ATTR_MODE={0x8}]}]}, @NL802154_ATTR_SEC_DEVKEY={0x1c, 0x24, 0x0, 0x1, [@NL802154_DEVKEY_ATTR_FRAME_COUNTER={0x8, 0x1, 0x7ff}, @NL802154_DEVKEY_ATTR_EXTENDED_ADDR={0xc, 0x2, {0xaaaaaaaaaaaa0102}}, @NL802154_DEVKEY_ATTR_ID={0x4}]}, @NL802154_ATTR_IFINDEX={0x8}, @NL802154_ATTR_WPAN_DEV={0xc, 0x6, 0x3}, @NL802154_ATTR_SEC_DEVKEY={0x48, 0x24, 0x0, 0x1, [@NL802154_DEVKEY_ATTR_FRAME_COUNTER={0x8, 0x1, 0x16}, @NL802154_DEVKEY_ATTR_EXTENDED_ADDR={0xc}, @NL802154_DEVKEY_ATTR_FRAME_COUNTER={0x8, 0x1, 0x9}, @NL802154_DEVKEY_ATTR_EXTENDED_ADDR={0xc, 0x2, {0xaaaaaaaaaaaa0102}}, @NL802154_DEVKEY_ATTR_FRAME_COUNTER={0x8, 0x1, 0xd8}, @NL802154_DEVKEY_ATTR_FRAME_COUNTER={0x8, 0x1, 0x7f}, @NL802154_DEVKEY_ATTR_ID={0xc, 0x3, 0x0, 0x1, [@NL802154_KEY_ID_ATTR_SOURCE_SHORT={0x8, 0x4, 0x4}]}]}, @NL802154_ATTR_SEC_DEVKEY={0xbc, 0x24, 0x0, 0x1, [@NL802154_DEVKEY_ATTR_EXTENDED_ADDR={0xc, 0x2, {0xaaaaaaaaaaaa0202}}, @NL802154_DEVKEY_ATTR_ID={0x34, 0x3, 0x0, 0x1, [@NL802154_KEY_ID_ATTR_MODE={0x8, 0x1, 0x2b5}, @NL802154_KEY_ID_ATTR_SOURCE_SHORT={0x8, 0x4, 0x400}, @NL802154_KEY_ID_ATTR_SOURCE_EXTENDED={0xc, 0x5, 0x35184375}, @NL802154_KEY_ID_ATTR_MODE={0x8, 0x1, 0x4}, @NL802154_KEY_ID_ATTR_SOURCE_EXTENDED={0xc, 0x5, 0x1ff}]}, @NL802154_DEVKEY_ATTR_EXTENDED_ADDR={0xc, 0x2, {0xaaaaaaaaaaaa0202}}, @NL802154_DEVKEY_ATTR_EXTENDED_ADDR={0xc, 0x2, {0xaaaaaaaaaaaa0002}}, @NL802154_DEVKEY_ATTR_EXTENDED_ADDR={0xc, 0x2, {0xaaaaaaaaaaaa0102}}, @NL802154_DEVKEY_ATTR_FRAME_COUNTER={0x8, 0x1, 0x4}, @NL802154_DEVKEY_ATTR_ID={0x44, 0x3, 0x0, 0x1, [@NL802154_KEY_ID_ATTR_SOURCE_EXTENDED={0xc, 0x5, 0x2}, @NL802154_KEY_ID_ATTR_IMPLICIT={0x24, 0x3, 0x0, 0x1, [@NL802154_DEV_ADDR_ATTR_MODE={0x8}, @NL802154_DEV_ADDR_ATTR_PAN_ID={0x6, 0x1, 0x3}, @NL802154_DEV_ADDR_ATTR_SHORT={0x6}, @NL802154_DEV_ADDR_ATTR_SHORT={0x6, 0x3, 0xaaa1}]}, @NL802154_KEY_ID_ATTR_SOURCE_SHORT={0x8, 0x4, 0x2d}, @NL802154_KEY_ID_ATTR_INDEX={0x5, 0x2, 0x3}]}, @NL802154_DEVKEY_ATTR_FRAME_COUNTER={0x8, 0x1, 0x7fff}]}]}, 0x210}}, 0x20004800) perf_event_open$cgroup(&(0x7f00000006c0)={0x6, 0x80, 0xff, 0x3b, 0xd6, 0x9, 0x0, 0x3, 0x4a520, 0x0, 0x1, 0x1, 0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1, 0x0, 0x1, 0x0, 0x1, 0x0, 0x0, 0x1, 0x1, 0x0, 0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x1, 0x0, 0x1, 0x1, 0x1, 0x0, 0x1, 0x0, 0x0, 0x1, 0x1, 0x0, 0x10000, 0x0, @perf_bp={&(0x7f0000000680), 0x1}, 0x0, 0x8, 0x10000, 0x4, 0x2, 0x1000, 0x1, 0x0, 0x2, 0x0, 0x8}, r7, 0xb, 0xffffffffffffffff, 0x0) [ 361.444310] nbd: must specify an index to disconnect 12:26:41 executing program 3: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, 0xffffffffffffffff) 12:26:41 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r1) sendmsg$NBD_CMD_DISCONNECT(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000080)=ANY=[@ANYBLOB='l\x00\x00\x00', @ANYRES16=r2, @ANYBLOB="01002dbd7000fddbdf25020000000c000300010001003a8ace6b963f7fcb963819e55c02193496eac1cd266dc224d712a49e471fb2a5b1ee14c208a87d9bf907914da0df36c4118c81618c49d9cf62cf1f0209a07262c1de4b6df44fd8f4294a", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB], 0x6c}}, 0x0) (async) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NL802154_CMD_SET_CCA_ED_LEVEL(r3, &(0x7f0000000b40)={&(0x7f0000000a80), 0xc, &(0x7f0000000b00)={&(0x7f0000000ac0)={0x14, 0x0, 0x1}, 0x14}}, 0x0) (async) sendmsg$NL802154_CMD_SET_CCA_MODE(r3, &(0x7f0000000200)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x200000}, 0xc, &(0x7f00000001c0)={&(0x7f0000000180)={0x38, 0x0, 0x1, 0x70bd27, 0x0, {}, [@NL802154_ATTR_CCA_OPT={0x8}, @NL802154_ATTR_CCA_OPT={0x8}, @NL802154_ATTR_CCA_OPT={0x8, 0xd, 0x4ae7ae6e374c1d12}, @NL802154_ATTR_WPAN_DEV={0xc}]}, 0x38}, 0x1, 0x0, 0x0, 0x800}, 0x8000) 12:26:41 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r1) sendmsg$NBD_CMD_DISCONNECT(r0, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={&(0x7f00000000c0)={0x34, r2, 0x0, 0x70bd29, 0x25dfdbfb, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x6}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x1}]}, 0x34}, 0x1, 0x0, 0x0, 0x4000}, 0x4000004) 12:26:41 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r1) sendmsg$NBD_CMD_DISCONNECT(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000000)=ANY=[@ANYBLOB='l\x00', @ANYRES16=r2, @ANYBLOB="01002dbd7000fddbdf25020000000c00030001000100", @ANYRES32, @ANYBLOB="0800014036ece3"], 0x6c}}, 0x0) 12:26:41 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r1) sendmsg$NBD_CMD_DISCONNECT(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f00000004c0)=ANY=[@ANYBLOB="1000", @ANYRES16=r2, @ANYBLOB="01"], 0x6c}}, 0x0) 12:26:41 executing program 4: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x40b01) ioctl$NBD_SET_SOCK(r0, 0xab00, 0xffffffffffffffff) r1 = openat$null(0xffffffffffffff9c, 0x0, 0x0, 0x0) mmap$perf(&(0x7f0000ffe000/0x2000)=nil, 0x2000, 0x0, 0x10, r1, 0x0) (async, rerun: 32) r2 = socket$netlink(0x10, 0x3, 0x7) (rerun: 32) sendmsg$TIPC_CMD_SET_NETID(r2, &(0x7f0000000d80)={0x0, 0x0, &(0x7f0000000d40)={&(0x7f0000000d00)={0x24, 0x0, 0x0, 0x0, 0x0, {{}, {}, {0x8}}}, 0x24}}, 0x0) (async) r3 = syz_genetlink_get_family_id$ipvs(&(0x7f0000000300), r1) sendmsg$IPVS_CMD_SET_INFO(r2, &(0x7f0000000400)={&(0x7f00000002c0)={0x10, 0x0, 0x0, 0x400000}, 0xc, &(0x7f00000003c0)={&(0x7f0000000340)={0x70, r3, 0x80, 0x70bd2c, 0x25dfdbfc, {}, [@IPVS_CMD_ATTR_TIMEOUT_TCP_FIN={0x8, 0x5, 0x5cb0}, @IPVS_CMD_ATTR_DEST={0x54, 0x2, 0x0, 0x1, [@IPVS_DEST_ATTR_ADDR_FAMILY={0x6, 0xb, 0x2}, @IPVS_DEST_ATTR_TUN_FLAGS={0x6, 0xf, 0x2}, @IPVS_DEST_ATTR_WEIGHT={0x8, 0x4, 0x3ff}, @IPVS_DEST_ATTR_INACT_CONNS={0x8, 0x8, 0xfe2}, @IPVS_DEST_ATTR_FWD_METHOD={0x8, 0x3, 0x2}, @IPVS_DEST_ATTR_PORT={0x6, 0x2, 0x4e24}, @IPVS_DEST_ATTR_WEIGHT={0x8, 0x4, 0xfffffffc}, @IPVS_DEST_ATTR_ADDR_FAMILY={0x6, 0xb, 0x2}, @IPVS_DEST_ATTR_ACTIVE_CONNS={0x8, 0x7, 0x4}, @IPVS_DEST_ATTR_WEIGHT={0x8, 0x4, 0x8000}]}]}, 0x70}, 0x1, 0x0, 0x0, 0x20048005}, 0x0) (async, rerun: 64) r4 = openat$null(0xffffffffffffff9c, &(0x7f0000000180), 0x400000, 0x0) (rerun: 64) sendmsg$NBD_CMD_DISCONNECT(0xffffffffffffffff, &(0x7f0000000280)={&(0x7f0000000140)={0x10, 0x0, 0x0, 0x40000000}, 0xc, &(0x7f0000000240)={&(0x7f00000001c0)={0x4c, 0x0, 0x206, 0x70bd27, 0x25dfdbfb, {}, [@NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8, 0x1, r1}, {0x8, 0x1, r4}]}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x103}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x2}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x5}]}, 0x4c}, 0x1, 0x0, 0x0, 0x20000040}, 0x40000) r5 = socket$netlink(0x10, 0x3, 0x7) sendmsg$TIPC_CMD_SET_NETID(r5, &(0x7f0000000d80)={0x0, 0x0, &(0x7f0000000d40)={&(0x7f0000000d00)={0x24, 0x0, 0x0, 0x0, 0x0, {{}, {}, {0x8}}}, 0x24}}, 0x0) sendmsg$IPVS_CMD_GET_DAEMON(r5, &(0x7f0000000640)={&(0x7f0000000440)={0x10, 0x0, 0x0, 0x200}, 0xc, &(0x7f0000000600)={&(0x7f0000000480)={0x158, r3, 0x2, 0x70bd28, 0x25dfdbfc, {}, [@IPVS_CMD_ATTR_TIMEOUT_UDP={0x8, 0x6, 0x6}, @IPVS_CMD_ATTR_TIMEOUT_UDP={0x8, 0x6, 0x4}, @IPVS_CMD_ATTR_TIMEOUT_TCP_FIN={0x8, 0x5, 0x8}, @IPVS_CMD_ATTR_DEST={0x3c, 0x2, 0x0, 0x1, [@IPVS_DEST_ATTR_TUN_FLAGS={0x6, 0xf, 0x3}, @IPVS_DEST_ATTR_ADDR_FAMILY={0x6, 0xb, 0xa}, @IPVS_DEST_ATTR_TUN_FLAGS={0x6, 0xf, 0x8}, @IPVS_DEST_ATTR_PERSIST_CONNS={0x8, 0x9, 0x6fe}, @IPVS_DEST_ATTR_FWD_METHOD={0x8, 0x3, 0x2}, @IPVS_DEST_ATTR_L_THRESH={0x8, 0x6, 0x1000}, @IPVS_DEST_ATTR_U_THRESH={0x8, 0x5, 0x8}]}, @IPVS_CMD_ATTR_TIMEOUT_TCP_FIN={0x8, 0x5, 0x512}, @IPVS_CMD_ATTR_DAEMON={0x6c, 0x3, 0x0, 0x1, [@IPVS_DAEMON_ATTR_MCAST_IFN={0x14, 0x2, 'syz_tun\x00'}, @IPVS_DAEMON_ATTR_MCAST_TTL={0x5, 0x8, 0x7}, @IPVS_DAEMON_ATTR_MCAST_GROUP={0x8, 0x5, @initdev={0xac, 0x1e, 0x0, 0x0}}, @IPVS_DAEMON_ATTR_MCAST_IFN={0x14, 0x2, 'wg1\x00'}, @IPVS_DAEMON_ATTR_MCAST_TTL={0x5, 0x8, 0x1}, @IPVS_DAEMON_ATTR_STATE={0x8, 0x1, 0x1}, @IPVS_DAEMON_ATTR_MCAST_TTL={0x5, 0x8, 0x3}, @IPVS_DAEMON_ATTR_SYNC_MAXLEN={0x6, 0x4, 0x5}, @IPVS_DAEMON_ATTR_STATE={0x8, 0x1, 0x2}, @IPVS_DAEMON_ATTR_SYNC_ID={0x8, 0x3, 0x2}]}, @IPVS_CMD_ATTR_DEST={0x48, 0x2, 0x0, 0x1, [@IPVS_DEST_ATTR_PERSIST_CONNS={0x8, 0x9, 0x252}, @IPVS_DEST_ATTR_INACT_CONNS={0x8, 0x8, 0x400}, @IPVS_DEST_ATTR_L_THRESH={0x8}, @IPVS_DEST_ATTR_TUN_TYPE={0x5}, @IPVS_DEST_ATTR_U_THRESH={0x8, 0x5, 0x1}, @IPVS_DEST_ATTR_ADDR={0x14, 0x1, @ipv6=@private0={0xfc, 0x0, '\x00', 0x1}}, @IPVS_DEST_ATTR_PORT={0x6, 0x2, 0x4e22}]}, @IPVS_CMD_ATTR_TIMEOUT_TCP_FIN={0x8, 0x5, 0x4}, @IPVS_CMD_ATTR_SERVICE={0x24, 0x1, 0x0, 0x1, [@IPVS_SVC_ATTR_PE_NAME={0x8}, @IPVS_SVC_ATTR_PE_NAME={0x8}, @IPVS_SVC_ATTR_PE_NAME={0x8}, @IPVS_SVC_ATTR_FWMARK={0x8, 0x5, 0x1}]}, @IPVS_CMD_ATTR_TIMEOUT_TCP={0x8}]}, 0x158}, 0x1, 0x0, 0x0, 0x20010800}, 0x0) getgid() r6 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_DISCONNECT(r6, &(0x7f0000000100)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x20000000}, 0xc, &(0x7f00000000c0)={&(0x7f0000000080)={0x1c, 0x0, 0x800, 0x70bd2c, 0x25dfdbfb, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x1c}, 0x1, 0x0, 0x0, 0x20004000}, 0x8000) (async) r7 = openat$null(0xffffffffffffff9c, &(0x7f0000000740), 0x204402, 0x0) (async, rerun: 64) r8 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (rerun: 64) r9 = syz_genetlink_get_family_id$nl802154(&(0x7f00000007c0), r6) (async) ioctl$sock_SIOCGIFINDEX_802154(r6, 0x8933, &(0x7f0000000800)={'wpan1\x00', 0x0}) sendmsg$NL802154_CMD_NEW_SEC_DEVKEY(r8, &(0x7f0000000ac0)={&(0x7f0000000780)={0x10, 0x0, 0x0, 0x40000000}, 0xc, &(0x7f0000000a80)={&(0x7f0000000840)={0x210, r9, 0x4, 0x70bd29, 0x25dfdbfe, {}, [@NL802154_ATTR_IFINDEX={0x8, 0x3, r10}, @NL802154_ATTR_WPAN_DEV={0xc}, @NL802154_ATTR_WPAN_DEV={0xc, 0x6, 0x100000001}, @NL802154_ATTR_SEC_DEVKEY={0xa8, 0x24, 0x0, 0x1, [@NL802154_DEVKEY_ATTR_ID={0x2c, 0x3, 0x0, 0x1, [@NL802154_KEY_ID_ATTR_SOURCE_EXTENDED={0xc, 0x5, 0xfffffffffffffff3}, @NL802154_KEY_ID_ATTR_MODE={0x8, 0x1, 0x3}, @NL802154_KEY_ID_ATTR_MODE={0x8, 0x1, 0x3}, @NL802154_KEY_ID_ATTR_SOURCE_EXTENDED={0xc, 0x5, 0x9}]}, @NL802154_DEVKEY_ATTR_EXTENDED_ADDR={0xc, 0x2, {0xaaaaaaaaaaaa0102}}, @NL802154_DEVKEY_ATTR_EXTENDED_ADDR={0xc, 0x2, {0xaaaaaaaaaaaa0302}}, @NL802154_DEVKEY_ATTR_EXTENDED_ADDR={0xc, 0x2, {0xaaaaaaaaaaaa0102}}, @NL802154_DEVKEY_ATTR_EXTENDED_ADDR={0xc, 0x2, {0xaaaaaaaaaaaa0102}}, @NL802154_DEVKEY_ATTR_FRAME_COUNTER={0x8}, @NL802154_DEVKEY_ATTR_ID={0x1c, 0x3, 0x0, 0x1, [@NL802154_KEY_ID_ATTR_INDEX={0x5, 0x2, 0x1}, @NL802154_KEY_ID_ATTR_MODE={0x8, 0x1, 0x2}, @NL802154_KEY_ID_ATTR_INDEX={0x5, 0x2, 0x2}]}, @NL802154_DEVKEY_ATTR_EXTENDED_ADDR={0xc, 0x2, {0xaaaaaaaaaaaa0302}}, @NL802154_DEVKEY_ATTR_ID={0x18, 0x3, 0x0, 0x1, [@NL802154_KEY_ID_ATTR_IMPLICIT={0xc, 0x3, 0x0, 0x1, [@NL802154_DEV_ADDR_ATTR_SHORT={0x6, 0x3, 0xaaa2}]}, @NL802154_KEY_ID_ATTR_MODE={0x8}]}]}, @NL802154_ATTR_SEC_DEVKEY={0x1c, 0x24, 0x0, 0x1, [@NL802154_DEVKEY_ATTR_FRAME_COUNTER={0x8, 0x1, 0x7ff}, @NL802154_DEVKEY_ATTR_EXTENDED_ADDR={0xc, 0x2, {0xaaaaaaaaaaaa0102}}, @NL802154_DEVKEY_ATTR_ID={0x4}]}, @NL802154_ATTR_IFINDEX={0x8}, @NL802154_ATTR_WPAN_DEV={0xc, 0x6, 0x3}, @NL802154_ATTR_SEC_DEVKEY={0x48, 0x24, 0x0, 0x1, [@NL802154_DEVKEY_ATTR_FRAME_COUNTER={0x8, 0x1, 0x16}, @NL802154_DEVKEY_ATTR_EXTENDED_ADDR={0xc}, @NL802154_DEVKEY_ATTR_FRAME_COUNTER={0x8, 0x1, 0x9}, @NL802154_DEVKEY_ATTR_EXTENDED_ADDR={0xc, 0x2, {0xaaaaaaaaaaaa0102}}, @NL802154_DEVKEY_ATTR_FRAME_COUNTER={0x8, 0x1, 0xd8}, @NL802154_DEVKEY_ATTR_FRAME_COUNTER={0x8, 0x1, 0x7f}, @NL802154_DEVKEY_ATTR_ID={0xc, 0x3, 0x0, 0x1, [@NL802154_KEY_ID_ATTR_SOURCE_SHORT={0x8, 0x4, 0x4}]}]}, @NL802154_ATTR_SEC_DEVKEY={0xbc, 0x24, 0x0, 0x1, [@NL802154_DEVKEY_ATTR_EXTENDED_ADDR={0xc, 0x2, {0xaaaaaaaaaaaa0202}}, @NL802154_DEVKEY_ATTR_ID={0x34, 0x3, 0x0, 0x1, [@NL802154_KEY_ID_ATTR_MODE={0x8, 0x1, 0x2b5}, @NL802154_KEY_ID_ATTR_SOURCE_SHORT={0x8, 0x4, 0x400}, @NL802154_KEY_ID_ATTR_SOURCE_EXTENDED={0xc, 0x5, 0x35184375}, @NL802154_KEY_ID_ATTR_MODE={0x8, 0x1, 0x4}, @NL802154_KEY_ID_ATTR_SOURCE_EXTENDED={0xc, 0x5, 0x1ff}]}, @NL802154_DEVKEY_ATTR_EXTENDED_ADDR={0xc, 0x2, {0xaaaaaaaaaaaa0202}}, @NL802154_DEVKEY_ATTR_EXTENDED_ADDR={0xc, 0x2, {0xaaaaaaaaaaaa0002}}, @NL802154_DEVKEY_ATTR_EXTENDED_ADDR={0xc, 0x2, {0xaaaaaaaaaaaa0102}}, @NL802154_DEVKEY_ATTR_FRAME_COUNTER={0x8, 0x1, 0x4}, @NL802154_DEVKEY_ATTR_ID={0x44, 0x3, 0x0, 0x1, [@NL802154_KEY_ID_ATTR_SOURCE_EXTENDED={0xc, 0x5, 0x2}, @NL802154_KEY_ID_ATTR_IMPLICIT={0x24, 0x3, 0x0, 0x1, [@NL802154_DEV_ADDR_ATTR_MODE={0x8}, @NL802154_DEV_ADDR_ATTR_PAN_ID={0x6, 0x1, 0x3}, @NL802154_DEV_ADDR_ATTR_SHORT={0x6}, @NL802154_DEV_ADDR_ATTR_SHORT={0x6, 0x3, 0xaaa1}]}, @NL802154_KEY_ID_ATTR_SOURCE_SHORT={0x8, 0x4, 0x2d}, @NL802154_KEY_ID_ATTR_INDEX={0x5, 0x2, 0x3}]}, @NL802154_DEVKEY_ATTR_FRAME_COUNTER={0x8, 0x1, 0x7fff}]}]}, 0x210}}, 0x20004800) (async) perf_event_open$cgroup(&(0x7f00000006c0)={0x6, 0x80, 0xff, 0x3b, 0xd6, 0x9, 0x0, 0x3, 0x4a520, 0x0, 0x1, 0x1, 0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1, 0x0, 0x1, 0x0, 0x1, 0x0, 0x0, 0x1, 0x1, 0x0, 0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x1, 0x0, 0x1, 0x1, 0x1, 0x0, 0x1, 0x0, 0x0, 0x1, 0x1, 0x0, 0x10000, 0x0, @perf_bp={&(0x7f0000000680), 0x1}, 0x0, 0x8, 0x10000, 0x4, 0x2, 0x1000, 0x1, 0x0, 0x2, 0x0, 0x8}, r7, 0xb, 0xffffffffffffffff, 0x0) 12:26:41 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r1) sendmsg$NBD_CMD_DISCONNECT(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000080)=ANY=[@ANYBLOB='l\x00\x00\x00', @ANYRES16=r2, @ANYBLOB="01002dbd7000fddbdf25020000000c000300010001003a8ace6b963f7fcb963819e55c02193496eac1cd266dc224d712a49e471fb2a5b1ee14c208a87d9bf907914da0df36c4118c81618c49d9cf62cf1f0209a07262c1de4b6df44fd8f4294a", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB], 0x6c}}, 0x0) (async) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NL802154_CMD_SET_CCA_ED_LEVEL(r3, &(0x7f0000000b40)={&(0x7f0000000a80), 0xc, &(0x7f0000000b00)={&(0x7f0000000ac0)={0x14, 0x0, 0x1}, 0x14}}, 0x0) (async) sendmsg$NL802154_CMD_SET_CCA_MODE(r3, &(0x7f0000000200)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x200000}, 0xc, &(0x7f00000001c0)={&(0x7f0000000180)={0x38, 0x0, 0x1, 0x70bd27, 0x0, {}, [@NL802154_ATTR_CCA_OPT={0x8}, @NL802154_ATTR_CCA_OPT={0x8}, @NL802154_ATTR_CCA_OPT={0x8, 0xd, 0x4ae7ae6e374c1d12}, @NL802154_ATTR_WPAN_DEV={0xc}]}, 0x38}, 0x1, 0x0, 0x0, 0x800}, 0x8000) [ 361.566607] nbd: must specify an index to disconnect 12:26:41 executing program 3: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, 0xffffffffffffffff) 12:26:41 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r1) sendmsg$NBD_CMD_DISCONNECT(r0, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={&(0x7f00000000c0)={0x34, r2, 0x1, 0x0, 0x25dfdbfb, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x6}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x1}]}, 0x34}, 0x1, 0x0, 0x0, 0x4000}, 0x4000004) 12:26:41 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r1) sendmsg$NBD_CMD_DISCONNECT(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000000)=ANY=[@ANYBLOB='l\x00\x00', @ANYRES16=r2, @ANYBLOB="01002dbd7000fddbdf25020000000c00030001000100", @ANYRES32, @ANYBLOB="0800014036ece3"], 0x6c}}, 0x0) 12:26:41 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r1) sendmsg$NBD_CMD_DISCONNECT(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f00000004c0)=ANY=[@ANYBLOB="1000", @ANYRES16=r2, @ANYBLOB="01"], 0x6c}}, 0x0) 12:26:41 executing program 3: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, 0xffffffffffffffff) 12:26:41 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r1) sendmsg$NBD_CMD_DISCONNECT(r0, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={&(0x7f00000000c0)={0x34, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x6}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x1}]}, 0x34}, 0x1, 0x0, 0x0, 0x4000}, 0x4000004) 12:26:41 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r1) sendmsg$NBD_CMD_DISCONNECT(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f00000004c0)=ANY=[@ANYBLOB="100000", @ANYRES16=r2, @ANYBLOB="01"], 0x6c}}, 0x0) [ 361.704497] nbd: must specify an index to disconnect 12:26:41 executing program 3: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) r1 = socket$netlink(0x10, 0x3, 0x7) sendmsg$TIPC_CMD_SET_NETID(r1, &(0x7f0000000d80)={0x0, 0x0, &(0x7f0000000d40)={&(0x7f0000000d00)={0x24, 0x0, 0x0, 0x0, 0x0, {{}, {}, {0x8}}}, 0x24}}, 0x0) sendmsg$BATADV_CMD_GET_NEIGHBORS(r1, &(0x7f0000000140)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x8000000}, 0xc, &(0x7f0000000100)={&(0x7f0000000080)={0x64, 0x0, 0x2, 0x70bd26, 0x25dfdbfd, {}, [@BATADV_ATTR_ELP_INTERVAL={0x8, 0x3a, 0xc14}, @BATADV_ATTR_ISOLATION_MARK={0x8, 0x2b, 0x8}, @BATADV_ATTR_BRIDGE_LOOP_AVOIDANCE_ENABLED={0x5}, @BATADV_ATTR_MULTICAST_FORCEFLOOD_ENABLED={0x5}, @BATADV_ATTR_ORIG_INTERVAL={0x8, 0x39, 0x8000}, @BATADV_ATTR_HOP_PENALTY={0x5, 0x35, 0x2}, @BATADV_ATTR_GW_SEL_CLASS={0x8, 0x34, 0x1}, @BATADV_ATTR_AGGREGATED_OGMS_ENABLED={0x5, 0x29, 0x1}, @BATADV_ATTR_GW_SEL_CLASS={0x8, 0x34, 0x18000000}, @BATADV_ATTR_ISOLATION_MARK={0x8, 0x2b, 0x200}]}, 0x64}, 0x1, 0x0, 0x0, 0x14004000}, 0x4804) ioctl$NBD_SET_SOCK(r0, 0xab00, 0xffffffffffffffff) 12:26:41 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r1) sendmsg$NBD_CMD_DISCONNECT(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000000)=ANY=[@ANYBLOB='l\x00\x00', @ANYRES16=r2, @ANYBLOB="01002dbd7000fddbdf25020000000c00030001000100", @ANYRES32, @ANYBLOB="0800014036ece3"], 0x6c}}, 0x0) 12:26:41 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r1) sendmsg$NBD_CMD_DISCONNECT(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f00000004c0)=ANY=[@ANYBLOB='l\x00\x00\x00', @ANYRES16=r2, @ANYBLOB="01002dbd7000fddbdf25020000000c00030001000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32=r1, @ANYBLOB], 0x6c}, 0x1, 0x0, 0x0, 0x90}, 0x0) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) ioctl$sock_SIOCGIFINDEX_802154(r1, 0x8933, &(0x7f0000000080)={'wpan0\x00', 0x0}) sendmsg$NL802154_CMD_SET_PAN_ID(r3, &(0x7f00000001c0)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x200}, 0xc, &(0x7f0000000180)={&(0x7f00000000c0)={0x1c, 0x0, 0x100, 0x70bd2a, 0x25dfdbfc, {}, [@NL802154_ATTR_IFINDEX={0x8, 0x3, r4}]}, 0x1c}, 0x1, 0x0, 0x0, 0x14}, 0x4) 12:26:41 executing program 4: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x40b01) ioctl$NBD_SET_SOCK(r0, 0xab00, 0xffffffffffffffff) r1 = socket$netlink(0x10, 0x3, 0xb) r2 = syz_genetlink_get_family_id$tipc(&(0x7f0000000080), 0xffffffffffffffff) sendmsg$TIPC_CMD_RESET_LINK_STATS(r1, &(0x7f0000000140)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x40000}, 0xc, &(0x7f0000000100)={&(0x7f00000000c0)={0x30, r2, 0x300, 0x70bd27, 0x25dfdbfc, {{}, {}, {0x14, 0x14, 'broadcast-link\x00'}}, [""]}, 0x30}, 0x1, 0x0, 0x0, 0x44010}, 0x4) 12:26:41 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r1) sendmsg$NBD_CMD_DISCONNECT(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f00000004c0)=ANY=[@ANYBLOB="100000", @ANYRES16=r2, @ANYBLOB="01"], 0x6c}}, 0x0) 12:26:41 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r1) sendmsg$NBD_CMD_DISCONNECT(r0, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={&(0x7f00000000c0)={0x28, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x6}]}, 0x28}, 0x1, 0x0, 0x0, 0x4000}, 0x4000004) 12:26:41 executing program 3: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) (async) r1 = socket$netlink(0x10, 0x3, 0x7) sendmsg$TIPC_CMD_SET_NETID(r1, &(0x7f0000000d80)={0x0, 0x0, &(0x7f0000000d40)={&(0x7f0000000d00)={0x24, 0x0, 0x0, 0x0, 0x0, {{}, {}, {0x8}}}, 0x24}}, 0x0) (async) sendmsg$BATADV_CMD_GET_NEIGHBORS(r1, &(0x7f0000000140)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x8000000}, 0xc, &(0x7f0000000100)={&(0x7f0000000080)={0x64, 0x0, 0x2, 0x70bd26, 0x25dfdbfd, {}, [@BATADV_ATTR_ELP_INTERVAL={0x8, 0x3a, 0xc14}, @BATADV_ATTR_ISOLATION_MARK={0x8, 0x2b, 0x8}, @BATADV_ATTR_BRIDGE_LOOP_AVOIDANCE_ENABLED={0x5}, @BATADV_ATTR_MULTICAST_FORCEFLOOD_ENABLED={0x5}, @BATADV_ATTR_ORIG_INTERVAL={0x8, 0x39, 0x8000}, @BATADV_ATTR_HOP_PENALTY={0x5, 0x35, 0x2}, @BATADV_ATTR_GW_SEL_CLASS={0x8, 0x34, 0x1}, @BATADV_ATTR_AGGREGATED_OGMS_ENABLED={0x5, 0x29, 0x1}, @BATADV_ATTR_GW_SEL_CLASS={0x8, 0x34, 0x18000000}, @BATADV_ATTR_ISOLATION_MARK={0x8, 0x2b, 0x200}]}, 0x64}, 0x1, 0x0, 0x0, 0x14004000}, 0x4804) (async) ioctl$NBD_SET_SOCK(r0, 0xab00, 0xffffffffffffffff) 12:26:41 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r1) sendmsg$NBD_CMD_DISCONNECT(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000000)=ANY=[@ANYBLOB='l\x00\x00', @ANYRES16=r2, @ANYBLOB="01002dbd7000fddbdf25020000000c00030001000100", @ANYRES32, @ANYBLOB="0800014036ece3"], 0x6c}}, 0x0) 12:26:41 executing program 4: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x40b01) ioctl$NBD_SET_SOCK(r0, 0xab00, 0xffffffffffffffff) (async) r1 = socket$netlink(0x10, 0x3, 0xb) r2 = syz_genetlink_get_family_id$tipc(&(0x7f0000000080), 0xffffffffffffffff) sendmsg$TIPC_CMD_RESET_LINK_STATS(r1, &(0x7f0000000140)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x40000}, 0xc, &(0x7f0000000100)={&(0x7f00000000c0)={0x30, r2, 0x300, 0x70bd27, 0x25dfdbfc, {{}, {}, {0x14, 0x14, 'broadcast-link\x00'}}, [""]}, 0x30}, 0x1, 0x0, 0x0, 0x44010}, 0x4) 12:26:41 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r1) sendmsg$NBD_CMD_DISCONNECT(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f00000004c0)=ANY=[@ANYBLOB='l\x00\x00\x00', @ANYRES16=r2, @ANYBLOB="01002dbd7000fddbdf25020000000c00030001000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32=r1, @ANYBLOB], 0x6c}, 0x1, 0x0, 0x0, 0x90}, 0x0) (async) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) ioctl$sock_SIOCGIFINDEX_802154(r1, 0x8933, &(0x7f0000000080)={'wpan0\x00', 0x0}) sendmsg$NL802154_CMD_SET_PAN_ID(r3, &(0x7f00000001c0)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x200}, 0xc, &(0x7f0000000180)={&(0x7f00000000c0)={0x1c, 0x0, 0x100, 0x70bd2a, 0x25dfdbfc, {}, [@NL802154_ATTR_IFINDEX={0x8, 0x3, r4}]}, 0x1c}, 0x1, 0x0, 0x0, 0x14}, 0x4) 12:26:41 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r1) sendmsg$NBD_CMD_DISCONNECT(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f00000004c0)=ANY=[@ANYBLOB="100000", @ANYRES16=r2, @ANYBLOB="01"], 0x6c}}, 0x0) 12:26:41 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r1) sendmsg$NBD_CMD_DISCONNECT(r0, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={&(0x7f00000000c0)={0x1c, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x1c}, 0x1, 0x0, 0x0, 0x4000}, 0x4000004) 12:26:41 executing program 5: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x40b01) ioctl$NBD_SET_SOCK(r0, 0xab00, 0xffffffffffffffff) r1 = socket$netlink(0x10, 0x3, 0xb) r2 = syz_genetlink_get_family_id$tipc(&(0x7f0000000080), 0xffffffffffffffff) sendmsg$TIPC_CMD_RESET_LINK_STATS(r1, &(0x7f0000000140)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x40000}, 0xc, &(0x7f0000000100)={&(0x7f00000000c0)={0x30, r2, 0x300, 0x70bd27, 0x25dfdbfc, {{}, {}, {0x14, 0x14, 'broadcast-link\x00'}}, [""]}, 0x30}, 0x1, 0x0, 0x0, 0x44010}, 0x4) 12:26:41 executing program 3: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) (async) r1 = socket$netlink(0x10, 0x3, 0x7) sendmsg$TIPC_CMD_SET_NETID(r1, &(0x7f0000000d80)={0x0, 0x0, &(0x7f0000000d40)={&(0x7f0000000d00)={0x24, 0x0, 0x0, 0x0, 0x0, {{}, {}, {0x8}}}, 0x24}}, 0x0) sendmsg$BATADV_CMD_GET_NEIGHBORS(r1, &(0x7f0000000140)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x8000000}, 0xc, &(0x7f0000000100)={&(0x7f0000000080)={0x64, 0x0, 0x2, 0x70bd26, 0x25dfdbfd, {}, [@BATADV_ATTR_ELP_INTERVAL={0x8, 0x3a, 0xc14}, @BATADV_ATTR_ISOLATION_MARK={0x8, 0x2b, 0x8}, @BATADV_ATTR_BRIDGE_LOOP_AVOIDANCE_ENABLED={0x5}, @BATADV_ATTR_MULTICAST_FORCEFLOOD_ENABLED={0x5}, @BATADV_ATTR_ORIG_INTERVAL={0x8, 0x39, 0x8000}, @BATADV_ATTR_HOP_PENALTY={0x5, 0x35, 0x2}, @BATADV_ATTR_GW_SEL_CLASS={0x8, 0x34, 0x1}, @BATADV_ATTR_AGGREGATED_OGMS_ENABLED={0x5, 0x29, 0x1}, @BATADV_ATTR_GW_SEL_CLASS={0x8, 0x34, 0x18000000}, @BATADV_ATTR_ISOLATION_MARK={0x8, 0x2b, 0x200}]}, 0x64}, 0x1, 0x0, 0x0, 0x14004000}, 0x4804) ioctl$NBD_SET_SOCK(r0, 0xab00, 0xffffffffffffffff) 12:26:41 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r1) sendmsg$NBD_CMD_DISCONNECT(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f00000004c0)=ANY=[@ANYBLOB='l\x00\x00\x00', @ANYRES16=r2, @ANYBLOB="01002dbd7000fddbdf25020000000c00030001000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32=r1, @ANYBLOB], 0x6c}, 0x1, 0x0, 0x0, 0x90}, 0x0) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) ioctl$sock_SIOCGIFINDEX_802154(r1, 0x8933, &(0x7f0000000080)={'wpan0\x00', 0x0}) sendmsg$NL802154_CMD_SET_PAN_ID(r3, &(0x7f00000001c0)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x200}, 0xc, &(0x7f0000000180)={&(0x7f00000000c0)={0x1c, 0x0, 0x100, 0x70bd2a, 0x25dfdbfc, {}, [@NL802154_ATTR_IFINDEX={0x8, 0x3, r4}]}, 0x1c}, 0x1, 0x0, 0x0, 0x14}, 0x4) 12:26:41 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r1) sendmsg$NBD_CMD_DISCONNECT(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f00000004c0)=ANY=[@ANYRES16=r2, @ANYBLOB="01"], 0x6c}}, 0x0) 12:26:41 executing program 4: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x40b01) ioctl$NBD_SET_SOCK(r0, 0xab00, 0xffffffffffffffff) (async) r1 = socket$netlink(0x10, 0x3, 0xb) (async) r2 = syz_genetlink_get_family_id$tipc(&(0x7f0000000080), 0xffffffffffffffff) sendmsg$TIPC_CMD_RESET_LINK_STATS(r1, &(0x7f0000000140)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x40000}, 0xc, &(0x7f0000000100)={&(0x7f00000000c0)={0x30, r2, 0x300, 0x70bd27, 0x25dfdbfc, {{}, {}, {0x14, 0x14, 'broadcast-link\x00'}}, [""]}, 0x30}, 0x1, 0x0, 0x0, 0x44010}, 0x4) 12:26:41 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r1) sendmsg$NBD_CMD_DISCONNECT(r0, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={&(0x7f00000000c0)={0x14, r2, 0x1}, 0x14}, 0x1, 0x0, 0x0, 0x4000}, 0x4000004) 12:26:41 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r1) sendmsg$NBD_CMD_DISCONNECT(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000000)=ANY=[@ANYRES16=r2, @ANYBLOB="01002dbd7000fddbdf25020000000c00030001000100", @ANYRES32, @ANYBLOB="0800014036ece3"], 0x6c}}, 0x0) 12:26:41 executing program 3: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) openat$vcsa(0xffffffffffffff9c, &(0x7f0000000040), 0x0, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, 0xffffffffffffffff) 12:26:41 executing program 0: r0 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x842400) ioctl$NBD_SET_SOCK(r0, 0xab00, 0xffffffffffffffff) 12:26:41 executing program 3: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) openat$vcsa(0xffffffffffffff9c, &(0x7f0000000040), 0x0, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, 0xffffffffffffffff) syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) (async) openat$vcsa(0xffffffffffffff9c, &(0x7f0000000040), 0x0, 0x0) (async) ioctl$NBD_SET_SOCK(r0, 0xab00, 0xffffffffffffffff) (async) 12:26:41 executing program 0: r0 = openat$vcsa(0xffffffffffffff9c, &(0x7f00000001c0), 0x2, 0x0) write$tcp_congestion(r0, &(0x7f0000000200)='illinois\x00', 0x9) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r3 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r2) r4 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NL802154_CMD_SET_CCA_ED_LEVEL(r4, &(0x7f0000000b40)={&(0x7f0000000a80), 0xc, &(0x7f0000000b00)={&(0x7f0000000ac0)=ANY=[@ANYBLOB="14000000", @ANYRES16=0x0, @ANYBLOB="0101000000000000000e00000000"], 0x14}}, 0x0) r5 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r6 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r7 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r5) sendmsg$NBD_CMD_DISCONNECT(r6, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000080)={0x14, r7, 0x1}, 0x14}, 0x1, 0x0, 0x0, 0x40000c5}, 0x0) sendmsg$NBD_CMD_CONNECT(r4, &(0x7f0000000180)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x2}, 0xc, &(0x7f00000000c0)={&(0x7f0000000080)={0x14, r7, 0x200, 0x70bd2c, 0x25dfdbfd}, 0x14}, 0x1, 0x0, 0x0, 0x800}, 0x1) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f00000004c0)=ANY=[@ANYBLOB='l\x00\x00\x00', @ANYRES16=r3, @ANYBLOB="01002dbd7000fddbdf25020000000c00030001000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB], 0x6c}}, 0x0) [ 362.075775] block nbd4: NBD_DISCONNECT [ 362.090073] kasan: CONFIG_KASAN_INLINE enabled [ 362.094667] kasan: GPF could be caused by NULL-ptr deref or user memory access [ 362.102016] general protection fault: 0000 [#1] PREEMPT SMP KASAN [ 362.108229] Modules linked in: [ 362.111414] CPU: 0 PID: 1988 Comm: syz-executor.1 Not tainted 4.14.304-syzkaller #0 [ 362.119195] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/12/2023 [ 362.128537] task: ffff888094dbc240 task.stack: ffff888098808000 [ 362.134600] RIP: 0010:__lock_acquire+0x1cc/0x3f20 [ 362.134608] RSP: 0018:ffff88809880f3b0 EFLAGS: 00010006 [ 362.139441] RAX: dffffc0000000000 RBX: 0000000000000000 RCX: 0000000000000000 [ 362.139445] RDX: 0000000000000022 RSI: 0000000000000000 RDI: 0000000000000110 [ 362.139448] RBP: 0000000000000000 R08: 0000000000000001 R09: 0000000000000000 [ 362.139452] R10: 0000000000000001 R11: ffff888094dbc240 R12: 0000000000000110 [ 362.139456] R13: 0000000000000000 R14: 0000000000000001 R15: ffffffff8bed0dc0 [ 362.139461] FS: 00007fce79209700(0000) GS:ffff8880ba400000(0000) knlGS:0000000000000000 [ 362.139464] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 362.139468] CR2: 00007f5f8be3f713 CR3: 000000009cee5000 CR4: 00000000003406f0 [ 362.139474] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 362.139477] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 362.139480] Call Trace: [ 362.139493] ? vprintk_emit+0x170/0x620 [ 362.139500] ? dev_vprintk_emit+0x1da/0x440 [ 362.139510] ? trace_hardirqs_on+0x10/0x10 [ 362.232026] ? dev_driver_string+0x160/0x160 [ 362.232034] ? trace_hardirqs_on+0x10/0x10 [ 362.232044] lock_acquire+0x170/0x3f0 [ 362.244431] ? flush_workqueue+0xcb/0x1310 [ 362.244440] flush_workqueue+0xfa/0x1310 [ 362.252710] ? flush_workqueue+0xcb/0x1310 [ 362.252719] ? nbd_disconnect_and_put+0x99/0x140 [ 362.252727] ? lock_downgrade+0x740/0x740 [ 362.252733] ? check_flush_dependency+0x2a0/0x2a0 [ 362.252744] nbd_disconnect_and_put+0xc3/0x140 [ 362.252752] nbd_genl_disconnect+0x1fa/0x320 [ 362.252760] genl_family_rcv_msg+0x572/0xb20 [ 362.252768] ? genl_rcv+0x40/0x40 [ 362.252777] ? __ww_mutex_wakeup_for_backoff+0x210/0x210 [ 362.252787] ? __kmalloc_node_track_caller+0x4c/0x70 [ 362.252793] ? trace_hardirqs_on+0x10/0x10 [ 362.252801] genl_rcv_msg+0xaf/0x140 [ 362.252807] netlink_rcv_skb+0x125/0x390 [ 362.252814] ? genl_family_rcv_msg+0xb20/0xb20 [ 362.252819] ? netlink_ack+0x9a0/0x9a0 [ 362.252825] ? lock_acquire+0x170/0x3f0 [ 362.252833] genl_rcv+0x24/0x40 [ 362.252838] netlink_unicast+0x437/0x610 [ 362.252845] ? netlink_sendskb+0xd0/0xd0 [ 362.252850] ? __check_object_size+0x179/0x230 [ 362.252856] netlink_sendmsg+0x648/0xbc0 [ 362.252862] ? nlmsg_notify+0x1b0/0x1b0 [ 362.252868] ? kernel_recvmsg+0x210/0x210 [ 362.252875] ? security_socket_sendmsg+0x83/0xb0 [ 362.252880] ? nlmsg_notify+0x1b0/0x1b0 [ 362.252886] sock_sendmsg+0xb5/0x100 [ 362.252892] ___sys_sendmsg+0x6c8/0x800 [ 362.252899] ? copy_msghdr_from_user+0x3b0/0x3b0 [ 362.252905] ? do_futex+0x127/0x1570 [ 362.252912] ? __fget+0x23e/0x3e0 [ 362.252919] ? lock_acquire+0x170/0x3f0 [ 362.252925] ? lock_downgrade+0x740/0x740 [ 362.252932] ? __fget+0x265/0x3e0 [ 362.252939] ? __fdget+0x19b/0x1f0 [ 362.252944] ? sockfd_lookup_light+0xb2/0x160 [ 362.252950] __sys_sendmsg+0xa3/0x120 [ 362.252956] ? SyS_shutdown+0x160/0x160 [ 362.252965] ? up_read+0x17/0x30 [ 362.252973] ? __do_page_fault+0x159/0xad0 [ 362.252980] SyS_sendmsg+0x27/0x40 [ 362.252985] ? __sys_sendmsg+0x120/0x120 [ 362.252991] do_syscall_64+0x1d5/0x640 [ 362.253000] entry_SYSCALL_64_after_hwframe+0x5e/0xd3 [ 362.253006] RIP: 0033:0x7fce7ac970c9 [ 362.253009] RSP: 002b:00007fce79209168 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 362.253016] RAX: ffffffffffffffda RBX: 00007fce7adb6f80 RCX: 00007fce7ac970c9 [ 362.253020] RDX: 0000000000000000 RSI: 0000000020000140 RDI: 0000000000000005 [ 362.253023] RBP: 00007fce7acf2ae9 R08: 0000000000000000 R09: 0000000000000000 [ 362.253027] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 362.253031] R13: 00007ffee2c285ef R14: 00007fce79209300 R15: 0000000000022000 [ 362.253036] Code: 18 00 00 00 00 48 81 c4 80 01 00 00 44 89 e8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 48 b8 00 00 00 00 00 fc ff df 4c 89 e2 48 c1 ea 03 <80> 3c 02 00 0f 85 67 2a 00 00 49 81 3c 24 e0 c7 2f 8b 0f 84 5f [ 362.253138] RIP: __lock_acquire+0x1cc/0x3f20 RSP: ffff88809880f3b0 [ 362.253146] ---[ end trace 5a5a1207923db6b7 ]--- [ 362.253150] Kernel panic - not syncing: Fatal exception [ 362.253345] Kernel Offset: disabled [ 362.516686] Rebooting in 86400 seconds..