eneric(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000380), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000000c0)=ANY=[@ANYBLOB="90000000", @ANYRES16=r2, @ANYBLOB="01000000000000000000010000000c00050000007fffffff00000c0002000000000000000000040007800c0008000000000000000000080001"], 0x90}}, 0x0) 10:32:42 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$nbd(&(0x7f0000000380), r0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000000)) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) r4 = socket$netlink(0x10, 0x3, 0x0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000000c0)=ANY=[@ANYBLOB="90000000", @ANYRES16=r2, @ANYBLOB="01000000000000000000010000000c00050000000000007400000c0002000000000000000000040007800c000800000000000000000008000100000000004400078008000100", @ANYRES32, @ANYBLOB="38000100", @ANYRES32=r3, @ANYBLOB="08000100", @ANYBLOB="0800d354", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32=r4], 0x90}}, 0x0) [ 2907.356352][T14180] lo speed is unknown, defaulting to 1000 [ 2907.553246][T14197] block nbd0: Unsupported socket: shutdown callout must be supported. [ 2907.625059][T14209] block nbd0: Unsupported socket: shutdown callout must be supported. 10:32:42 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000380), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000000c0)=ANY=[@ANYBLOB="90000000", @ANYRES16=r2, @ANYBLOB="01000000000000000000010000000c00050000007400000000000c0002000000000000000000040007800c0008000000000000000000080001"], 0x90}}, 0x0) [ 2907.713874][T14217] block nbd0: Unsupported socket: shutdown callout must be supported. [ 2908.016156][T14180] device gretap0 entered promiscuous mode [ 2908.023106][T14180] device gretap0 left promiscuous mode [ 2908.034465][T14180] ‘|‚ªu: renamed from gretap0 [ 2908.052290][T14180] ‘|‚ªu: default qdisc (pfifo_fast) fail, fallback to noqueue [ 2908.071295][T14180] A link change request failed with some changes committed already. Interface ‘|‚ªu may have been left with an inconsistent configuration, please check. [ 2908.134276][T14180] lo speed is unknown, defaulting to 1000 [ 2908.661190][T14250] device ‘|‚ªu left promiscuous mode [ 2908.694176][T14250] ‘|‚ªu: refused to change device tx_queue_len 10:32:44 executing program 5: unshare(0x40000000) mmap(&(0x7f0000000000/0xb36000)=nil, 0xb36000, 0x3, 0x8031, 0xffffffffffffffff, 0x0) unshare(0x0) r0 = socket$netlink(0x10, 0x3, 0x0) writev(r0, &(0x7f0000000080)=[{&(0x7f00000000c0)="390000001300090468fe0700000000000000ff3f04000000480100100000000004002b000a00010014a4ee1ee438d2fd000000000000007200", 0x39}], 0x1) r1 = socket$nl_route(0x10, 0x3, 0x0) sendmsg$netlink(r1, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000100)=[{&(0x7f00000001c0)=ANY=[@ANYBLOB="2800000013000100000000000000000008000000", @ANYRES32=r1, @ANYBLOB='\f\x00\x00\x00', @ANYRES32=0x0, @ANYBLOB="08000d002e14f9"], 0x28}], 0x1}, 0x0) writev(r0, &(0x7f0000000000)=[{&(0x7f0000000040)="3900000013001104680907e10300000f0000ff3f04000000290a001700000000040037000a00030014917c82aa75b9a64411f6a4ee1ee438d2", 0x39}], 0x1) 10:32:44 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$nbd(&(0x7f0000000380), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000000c0)=ANY=[@ANYBLOB="90000000", @ANYRES16=r2, @ANYBLOB="01000000000000000000010000000c0005000000fffffff000000c0002000000000000000000040007800c0008000000000000000000080001"], 0x90}}, 0x0) 10:32:44 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$nbd(&(0x7f0000000380), r0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000000)) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) r4 = socket$netlink(0x10, 0x3, 0x0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000000c0)=ANY=[@ANYBLOB="90000000", @ANYRES16=r2, @ANYBLOB="01000000000000000000010000000c00050000000000000000070c0002000000000000000000040007800c000800000000000000000008000100000000004400078008000100", @ANYRES32, @ANYBLOB="38000100", @ANYRES32=r3, @ANYBLOB="08000100", @ANYBLOB="0800d354", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32=r4], 0x90}}, 0x0) 10:32:44 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000380), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000000c0)=ANY=[@ANYBLOB="90000000", @ANYRES16=r2, @ANYBLOB="01000000000000000000010000000c00050000009effffff00000c0002000000000000000000040007800c0008000000000000000000080001"], 0x90}}, 0x0) 10:32:44 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000380), r0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000000)) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) r4 = socket$netlink(0x10, 0x3, 0x0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000000c0)=ANY=[@ANYBLOB="90000000", @ANYRES16=r2, @ANYBLOB="01000000000000000000010000000c00050000000000007a00000c0002000000000000000000040007800c000800000000000000000008000100000000004400078008000100", @ANYRES32, @ANYBLOB="38000100", @ANYRES32=r3, @ANYBLOB="08000100", @ANYBLOB="0800d354", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32=r4], 0x90}}, 0x0) 10:32:44 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$nbd(&(0x7f0000000380), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000000c0)=ANY=[@ANYBLOB="90000000", @ANYRES16=r2, @ANYBLOB="01000000000000000000010000000c00050000007a00000000000c0002000000000000000000040007800c0008000000000000000000080001"], 0x90}}, 0x0) [ 2908.993286][T14256] block nbd0: Unsupported socket: shutdown callout must be supported. [ 2909.062131][T14257] block nbd0: Unsupported socket: shutdown callout must be supported. 10:32:44 executing program 1: unshare(0x40000000) mmap(&(0x7f0000000000/0xb36000)=nil, 0xb36000, 0x3, 0x8031, 0xffffffffffffffff, 0x0) unshare(0x0) r0 = socket$netlink(0x10, 0x3, 0x0) writev(r0, &(0x7f0000000080)=[{&(0x7f00000000c0)="390000001300090468fe0700000000000000ff3f04000000480100100000000004002b000a00010014a4ee1ee438d2fd000000000000007200", 0x39}], 0x1) r1 = socket$nl_route(0x10, 0x3, 0x0) sendmsg$netlink(r1, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000100)=[{&(0x7f00000001c0)=ANY=[@ANYBLOB="2800000013000100000000000000000008000000", @ANYRES32=r1, @ANYBLOB='\f\x00\x00\x00', @ANYRES32=0x0, @ANYBLOB="08000d002e14f9"], 0x28}], 0x1}, 0x0) writev(r0, &(0x7f0000000000)=[{&(0x7f0000000040)="3900000013001104680914000000000f0000ff3f04000000290a001700000000040037000a00030014917c82aa75b9a64411f6a4ee1ee438d2", 0x39}], 0x1) [ 2909.123999][T14267] block nbd0: Unsupported socket: shutdown callout must be supported. [ 2909.148779][T14266] lo speed is unknown, defaulting to 1000 10:32:44 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000380), r0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000000)) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) r4 = socket$netlink(0x10, 0x3, 0x0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000000c0)=ANY=[@ANYBLOB="90000000", @ANYRES16=r2, @ANYBLOB="01000000000000000000010000000c0005000000000000f000000c0002000000000000000000040007800c000800000000000000000008000100000000004400078008000100", @ANYRES32, @ANYBLOB="38000100", @ANYRES32=r3, @ANYBLOB="08000100", @ANYBLOB="0800d354", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32=r4], 0x90}}, 0x0) 10:32:44 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$nbd(&(0x7f0000000380), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000000c0)=ANY=[@ANYBLOB="90000000", @ANYRES16=r2, @ANYBLOB="01000000000000000000010000000c000500000000f0ffff00000c0002000000000000000000040007800c0008000000000000000000080001"], 0x90}}, 0x0) 10:32:44 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$nbd(&(0x7f0000000380), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000000c0)=ANY=[@ANYBLOB="90000000", @ANYRES16=r2, @ANYBLOB="01000000000000000000010000000c0005000015a000000000000c0002000000000000000000040007800c0008000000000000000000080001"], 0x90}}, 0x0) 10:32:44 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000380), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000000c0)=ANY=[@ANYBLOB="90000000", @ANYRES16=r2, @ANYBLOB="01000000000000000000010000000c0005000000f0ffffff00000c0002000000000000000000040007800c0008000000000000000000080001"], 0x90}}, 0x0) [ 2909.478202][T14297] block nbd0: Unsupported socket: shutdown callout must be supported. [ 2909.498355][T14290] lo speed is unknown, defaulting to 1000 [ 2909.576991][T14304] block nbd0: Unsupported socket: shutdown callout must be supported. 10:32:44 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$nbd(&(0x7f0000000380), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000000c0)=ANY=[@ANYBLOB="90000000", @ANYRES16=r2, @ANYBLOB="01000000000000000000010000000c0005000000f000000000000c0002000000000000000000040007800c0008000000000000000000080001"], 0x90}}, 0x0) [ 2910.064700][T14266] device gretap0 entered promiscuous mode [ 2910.077862][T14266] device gretap0 left promiscuous mode [ 2910.092925][T14266] ‘|‚ªu: renamed from gretap0 [ 2910.108056][T14266] ‘|‚ªu: default qdisc (pfifo_fast) fail, fallback to noqueue [ 2910.129288][T14266] A link change request failed with some changes committed already. Interface ‘|‚ªu may have been left with an inconsistent configuration, please check. [ 2910.200831][T14266] lo speed is unknown, defaulting to 1000 [ 2910.383478][T14332] device ‘|‚ªu entered promiscuous mode [ 2910.404552][T14290] device gretap0 entered promiscuous mode [ 2910.414922][T14290] device gretap0 left promiscuous mode [ 2910.451417][T14290] ‘|‚ªu: renamed from gretap0 [ 2910.459878][T14290] ‘|‚ªu: default qdisc (pfifo_fast) fail, fallback to noqueue [ 2910.487675][T14290] A link change request failed with some changes committed already. Interface ‘|‚ªu may have been left with an inconsistent configuration, please check. 10:32:46 executing program 5: unshare(0x40000000) mmap(&(0x7f0000000000/0xb36000)=nil, 0xb36000, 0x3, 0x8031, 0xffffffffffffffff, 0x0) unshare(0x0) r0 = socket$netlink(0x10, 0x3, 0x0) writev(r0, &(0x7f0000000080)=[{&(0x7f00000000c0)="390000001300090468fe0700000000000000ff3f04000000480100100000000004002b000a00010014a4ee1ee438d2fd000000000000007200", 0x39}], 0x1) r1 = socket$nl_route(0x10, 0x3, 0x0) sendmsg$netlink(r1, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000100)=[{&(0x7f00000001c0)=ANY=[@ANYBLOB="2800000013000100000000000000000008000000", @ANYRES32=r1, @ANYBLOB='\f\x00\x00\x00', @ANYRES32=0x0, @ANYBLOB="08000d002e14f9"], 0x28}], 0x1}, 0x0) writev(r0, &(0x7f0000000000)=[{&(0x7f0000000040)="3900000013001104680907e60300000f0000ff3f04000000290a001700000000040037000a00030014917c82aa75b9a64411f6a4ee1ee438d2", 0x39}], 0x1) 10:32:46 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000380), r0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000000)) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) r4 = socket$netlink(0x10, 0x3, 0x0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000000c0)=ANY=[@ANYBLOB="90000000", @ANYRES16=r2, @ANYBLOB="01000000000000000000010000000c00050000000000000003000c0002000000000000000000040007800c000800000000000000000008000100000000004400078008000100", @ANYRES32, @ANYBLOB="38000100", @ANYRES32=r3, @ANYBLOB="08000100", @ANYBLOB="0800d354", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32=r4], 0x90}}, 0x0) 10:32:46 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$nbd(&(0x7f0000000380), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000000c0)=ANY=[@ANYBLOB="90000000", @ANYRES16=r2, @ANYBLOB="01000000000000000000010000000c00050000007fffffff00000c0002000000000000000000040007800c0008000000000000000000080001"], 0x90}}, 0x0) 10:32:46 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000380), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000000c0)=ANY=[@ANYBLOB="90000000", @ANYRES16=r2, @ANYBLOB="01000000000000000000010000000c00050000000002000000000c0002000000000000000000040007800c0008000000000000000000080001"], 0x90}}, 0x0) 10:32:46 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$nbd(&(0x7f0000000380), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000000c0)=ANY=[@ANYBLOB="90000000", @ANYRES16=r2, @ANYBLOB="01000000000000000000010000000c00050000000003000000000c0002000000000000000000040007800c0008000000000000000000080001"], 0x90}}, 0x0) 10:32:46 executing program 1: unshare(0x40000000) mmap(&(0x7f0000000000/0xb36000)=nil, 0xb36000, 0x3, 0x8031, 0xffffffffffffffff, 0x0) unshare(0x0) r0 = socket$netlink(0x10, 0x3, 0x0) writev(r0, &(0x7f0000000080)=[{&(0x7f00000000c0)="390000001300090468fe0700000000000000ff3f04000000480100100000000004002b000a00010014a4ee1ee438d2fd000000000000007200", 0x39}], 0x1) r1 = socket$nl_route(0x10, 0x3, 0x0) sendmsg$netlink(r1, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000100)=[{&(0x7f00000001c0)=ANY=[@ANYBLOB="2800000013000100000000000000000008000000", @ANYRES32=r1, @ANYBLOB='\f\x00\x00\x00', @ANYRES32=0x0, @ANYBLOB="08000d002e14f9"], 0x28}], 0x1}, 0x0) writev(r0, &(0x7f0000000000)=[{&(0x7f0000000040)="3900000013001104680910000000000f0000ff3f04000000290a001700000000040037000a00030014917c82aa75b9a64411f6a4ee1ee438d2", 0x39}], 0x1) [ 2911.192276][T14365] __nla_validate_parse: 49 callbacks suppressed [ 2911.192295][T14365] netlink: 76 bytes leftover after parsing attributes in process `syz-executor.2'. [ 2911.299110][T14369] netlink: 76 bytes leftover after parsing attributes in process `syz-executor.3'. [ 2911.308821][T14371] lo speed is unknown, defaulting to 1000 [ 2911.487023][T14381] lo speed is unknown, defaulting to 1000 [ 2911.516490][T14370] netlink: 8 bytes leftover after parsing attributes in process `syz-executor.4'. [ 2911.525762][T14370] netlink: 4 bytes leftover after parsing attributes in process `syz-executor.4'. 10:32:46 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000380), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000000c0)=ANY=[@ANYBLOB="90000000", @ANYRES16=r2, @ANYBLOB="01000000000000000000010000000c00050000009effffff00000c0002000000000000000000040007800c0008000000000000000000080001"], 0x90}}, 0x0) 10:32:46 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000380), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000000c0)=ANY=[@ANYBLOB="90000000", @ANYRES16=r2, @ANYBLOB="01000000000000000000010000000c00050000004003000000000c0002000000000000000000040007800c0008000000000000000000080001"], 0x90}}, 0x0) [ 2911.611123][T14370] netlink: 4 bytes leftover after parsing attributes in process `syz-executor.4'. [ 2911.686681][T14370] block nbd0: Unsupported socket: shutdown callout must be supported. 10:32:46 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000380), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000000c0)=ANY=[@ANYBLOB="90000000", @ANYRES16=r2, @ANYBLOB="01000000000000000000010000000c00050000000003000000000c0002000000000000000000040007800c0008000000000000000000080001"], 0x90}}, 0x0) [ 2911.770927][T14377] netlink: 8 bytes leftover after parsing attributes in process `syz-executor.4'. [ 2911.791383][T14377] netlink: 4 bytes leftover after parsing attributes in process `syz-executor.4'. [ 2911.849870][T14377] netlink: 52 bytes leftover after parsing attributes in process `syz-executor.4'. 10:32:47 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000380), r0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000000)) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) r4 = socket$netlink(0x10, 0x3, 0x0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000000c0)=ANY=[@ANYBLOB="90000000", @ANYRES16=r2, @ANYBLOB="01000000000000000000010000000c00050000000000000005000c0002000000000000000000040007800c000800000000000000000008000100000000004400078008000100", @ANYRES32, @ANYBLOB="38000100", @ANYRES32=r3, @ANYBLOB="08000100", @ANYBLOB="0800d354", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32=r4], 0x90}}, 0x0) 10:32:47 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$nbd(&(0x7f0000000380), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000000c0)=ANY=[@ANYBLOB="90000000", @ANYRES16=r2, @ANYBLOB="01000000000000000000010000000c0005000000f0ffffff00000c0002000000000000000000040007800c0008000000000000000000080001"], 0x90}}, 0x0) [ 2911.979780][T14430] netlink: 76 bytes leftover after parsing attributes in process `syz-executor.3'. 10:32:47 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$nbd(&(0x7f0000000380), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000000c0)=ANY=[@ANYBLOB="90000000", @ANYRES16=r2, @ANYBLOB="01000000000000000000010000000c00050000000340000000000c0002000000000000000000040007800c0008000000000000000000080001"], 0x90}}, 0x0) [ 2912.123608][T14435] netlink: 8 bytes leftover after parsing attributes in process `syz-executor.4'. [ 2912.175154][T14435] block nbd0: Unsupported socket: shutdown callout must be supported. [ 2912.231648][T14441] block nbd0: Unsupported socket: shutdown callout must be supported. [ 2912.445473][T14371] device gretap0 entered promiscuous mode [ 2912.454633][T14381] device gretap0 entered promiscuous mode [ 2912.469995][T14374] ‘|‚ªu: refused to change device tx_queue_len [ 2912.478740][T14388] device ‘|‚ªu left promiscuous mode [ 2912.484860][T14388] ‘|‚ªu: refused to change device tx_queue_len [ 2912.518042][T14371] ‘|‚ªu: renamed from gretap0 [ 2912.529992][T14371] device ‘|‚ªu left promiscuous mode [ 2912.548223][T14371] A link change request failed with some changes committed already. Interface ‘|‚ªu may have been left with an inconsistent configuration, please check. [ 2912.573342][T14381] ‘|‚ªu: renamed from gretap0 [ 2912.590062][T14381] device ‘|‚ªu left promiscuous mode [ 2912.598821][T14381] A link change request failed with some changes committed already. Interface ‘|‚ªu may have been left with an inconsistent configuration, please check. [ 2912.713951][T14381] lo speed is unknown, defaulting to 1000 [ 2912.898132][T14444] device ‘|‚ªu entered promiscuous mode 10:32:48 executing program 5: unshare(0x40000000) mmap(&(0x7f0000000000/0xb36000)=nil, 0xb36000, 0x3, 0x8031, 0xffffffffffffffff, 0x0) unshare(0x0) r0 = socket$netlink(0x10, 0x3, 0x0) writev(r0, &(0x7f0000000080)=[{&(0x7f00000000c0)="390000001300090468fe0700000000000000ff3f04000000480100100000000004002b000a00010014a4ee1ee438d2fd000000000000007200", 0x39}], 0x1) r1 = socket$nl_route(0x10, 0x3, 0x0) sendmsg$netlink(r1, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000100)=[{&(0x7f00000001c0)=ANY=[@ANYBLOB="2800000013000100000000000000000008000000", @ANYRES32=r1, @ANYBLOB='\f\x00\x00\x00', @ANYRES32=0x0, @ANYBLOB="08000d002e14f9"], 0x28}], 0x1}, 0x0) writev(r0, &(0x7f0000000000)=[{&(0x7f0000000040)="3900000013001104680907f20300000f0000ff3f04000000290a001700000000040037000a00030014917c82aa75b9a64411f6a4ee1ee438d2", 0x39}], 0x1) 10:32:48 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000380), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000000c0)=ANY=[@ANYBLOB="90000000", @ANYRES16=r2, @ANYBLOB="01000000000000000000010000000c00050000000004000000000c0002000000000000000000040007800c0008000000000000000000080001"], 0x90}}, 0x0) 10:32:48 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000380), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000000c0)=ANY=[@ANYBLOB="90000000", @ANYRES16=r2, @ANYBLOB="01000000000000000000010000000c00050000000002000000000c0002000000000000000000040007800c0008000000000000000000080001"], 0x90}}, 0x0) 10:32:48 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000380), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000000c0)=ANY=[@ANYBLOB="90000000", @ANYRES16=r2, @ANYBLOB="01000000000000000000010000000c00050000fffff0000000000c0002000000000000000000040007800c0008000000000000000000080001"], 0x90}}, 0x0) 10:32:48 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000380), r0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000000)) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) r4 = socket$netlink(0x10, 0x3, 0x0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000000c0)=ANY=[@ANYBLOB="90000000", @ANYRES16=r2, @ANYBLOB="01000000000000000000010000000c00050000000000000006000c0002000000000000000000040007800c000800000000000000000008000100000000004400078008000100", @ANYRES32, @ANYBLOB="38000100", @ANYRES32=r3, @ANYBLOB="08000100", @ANYBLOB="0800d354", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32=r4], 0x90}}, 0x0) 10:32:48 executing program 1: socketpair$unix(0x1, 0x5, 0x0, &(0x7f0000000000)={0xffffffffffffffff}) ioctl$sock_SIOCGIFINDEX(r0, 0x8933, &(0x7f00000000c0)={'bridge_slave_0\x00', 0x0}) r2 = socket$inet6_udplite(0xa, 0x2, 0x88) sendmsg$nl_route(0xffffffffffffffff, &(0x7f0000000180)={&(0x7f0000000100)={0x10, 0x0, 0x0, 0x800}, 0xc, &(0x7f0000000140)={0xfffffffffffffffe}, 0x1, 0x0, 0x0, 0x81}, 0x20000000) ioctl$sock_SIOCGIFINDEX(r2, 0x8933, &(0x7f0000000080)={'bridge0\x00', 0x0}) pipe(&(0x7f0000000100)={0xffffffffffffffff, 0xffffffffffffffff}) write$binfmt_misc(r4, &(0x7f0000000000)=ANY=[], 0xfffffecc) r5 = socket$nl_generic(0x10, 0x3, 0x10) r6 = syz_genetlink_get_family_id$l2tp(&(0x7f0000000180), 0xffffffffffffffff) sendmsg$L2TP_CMD_SESSION_GET(r5, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000200)={&(0x7f0000000040)={0x14, r6, 0x301}, 0x14}}, 0x0) pipe(&(0x7f0000000100)={0xffffffffffffffff, 0xffffffffffffffff}) write$binfmt_misc(r8, &(0x7f0000000000)=ANY=[], 0xfffffecc) sendmsg$L2TP_CMD_TUNNEL_DELETE(r4, &(0x7f0000000300)={&(0x7f0000000200)={0x10, 0x0, 0x0, 0x80000}, 0xc, &(0x7f0000000340)={&(0x7f0000000280)={0x40, r6, 0x4, 0x70bd27, 0x25dfdbfb, {}, [@L2TP_ATTR_IP6_DADDR={0x14, 0x20, @private0}, @L2TP_ATTR_FD={0x8, 0x17, @udp6=r8}, @L2TP_ATTR_UDP_SPORT={0x6, 0x1a, 0x4e21}, @L2TP_ATTR_UDP_DPORT={0x6, 0x1b, 0x4e22}]}, 0x40}, 0x1, 0x0, 0x0, 0x4}, 0x4004010) r9 = socket(0x10, 0x803, 0x0) write$binfmt_misc(r7, &(0x7f0000000380)={'syz1', "28322754f6d59fc0e80f74b89c4d435b"}, 0x14) sendmsg$nl_route(r9, &(0x7f0000000240)={0x0, 0x0, &(0x7f00000001c0)={&(0x7f0000000040)=ANY=[@ANYBLOB="3800000054000100000000000000000007000000", @ANYRES32=r3, @ANYBLOB="20000100", @ANYRES32=r1, @ANYBLOB="1e000000ff01000000000000000000000000000100000000"], 0x38}}, 0x0) [ 2913.399589][T14478] block nbd0: Unsupported socket: shutdown callout must be supported. [ 2913.452761][T14484] block nbd0: Unsupported socket: shutdown callout must be supported. 10:32:48 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000380), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000000c0)=ANY=[@ANYBLOB="90000000", @ANYRES16=r2, @ANYBLOB="01000000000000000000010000000c00050000000000010000000c0002000000000000000000040007800c0008000000000000000000080001"], 0x90}}, 0x0) 10:32:48 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000380), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000000c0)=ANY=[@ANYBLOB="90000000", @ANYRES16=r2, @ANYBLOB="01000000000000000000010000000c00050000000003000000000c0002000000000000000000040007800c0008000000000000000000080001"], 0x90}}, 0x0) 10:32:48 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000380), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000000c0)=ANY=[@ANYBLOB="90000000", @ANYRES16=r2, @ANYBLOB="01000000000000000000010000000c00050000000005000000000c0002000000000000000000040007800c0008000000000000000000080001"], 0x90}}, 0x0) 10:32:48 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000380), r0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000000)) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) r4 = socket$netlink(0x10, 0x3, 0x0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000000c0)=ANY=[@ANYBLOB="90000000", @ANYRES16=r2, @ANYBLOB="01000000000000000000010000000c00050000000000000007000c0002000000000000000000040007800c000800000000000000000008000100000000004400078008000100", @ANYRES32, @ANYBLOB="38000100", @ANYRES32=r3, @ANYBLOB="08000100", @ANYBLOB="0800d354", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32=r4], 0x90}}, 0x0) [ 2913.582803][T14488] lo speed is unknown, defaulting to 1000 [ 2913.786617][T14512] block nbd0: Unsupported socket: shutdown callout must be supported. 10:32:49 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$nbd(&(0x7f0000000380), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000000c0)=ANY=[@ANYBLOB="90000000", @ANYRES16=r2, @ANYBLOB="01000000000000000000010000000c00050000000004000000000c0002000000000000000000040007800c0008000000000000000000080001"], 0x90}}, 0x0) 10:32:49 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$nbd(&(0x7f0000000380), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000000c0)=ANY=[@ANYBLOB="90000000", @ANYRES16=r2, @ANYBLOB="01000000000000000000010000000c00050000000000020000000c0002000000000000000000040007800c0008000000000000000000080001"], 0x90}}, 0x0) [ 2914.293635][T14488] device gretap0 entered promiscuous mode [ 2914.307778][T14488] device gretap0 left promiscuous mode [ 2914.321779][T14488] ‘|‚ªu: renamed from gretap0 [ 2914.337408][T14488] ‘|‚ªu: default qdisc (pfifo_fast) fail, fallback to noqueue [ 2914.357304][T14488] A link change request failed with some changes committed already. Interface ‘|‚ªu may have been left with an inconsistent configuration, please check. [ 2914.414586][T14488] lo speed is unknown, defaulting to 1000 [ 2914.926247][T14561] device ‘|‚ªu left promiscuous mode [ 2914.932007][T14561] ‘|‚ªu: refused to change device tx_queue_len 10:32:50 executing program 5: unshare(0x40000000) mmap(&(0x7f0000000000/0xb36000)=nil, 0xb36000, 0x3, 0x8031, 0xffffffffffffffff, 0x0) unshare(0x0) r0 = socket$netlink(0x10, 0x3, 0x0) writev(r0, &(0x7f0000000080)=[{&(0x7f00000000c0)="390000001300090468fe0700000000000000ff3f04000000480100100000000004002b000a00010014a4ee1ee438d2fd000000000000007200", 0x39}], 0x1) r1 = socket$nl_route(0x10, 0x3, 0x0) sendmsg$netlink(r1, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000100)=[{&(0x7f00000001c0)=ANY=[@ANYBLOB="2800000013000100000000000000000008000000", @ANYRES32=r1, @ANYBLOB='\f\x00\x00\x00', @ANYRES32=0x0, @ANYBLOB="08000d002e14f9"], 0x28}], 0x1}, 0x0) writev(r0, &(0x7f0000000000)=[{&(0x7f0000000040)="3900000013001104680907f30300000f0000ff3f04000000290a001700000000040037000a00030014917c82aa75b9a64411f6a4ee1ee438d2", 0x39}], 0x1) 10:32:50 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000380), r0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000000)) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) r4 = socket$netlink(0x10, 0x3, 0x0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000000c0)=ANY=[@ANYBLOB="90000000", @ANYRES16=r2, @ANYBLOB="01000000000000000000010000000c00050000000000000009000c0002000000000000000000040007800c000800000000000000000008000100000000004400078008000100", @ANYRES32, @ANYBLOB="38000100", @ANYRES32=r3, @ANYBLOB="08000100", @ANYBLOB="0800d354", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32=r4], 0x90}}, 0x0) 10:32:50 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000380), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000000c0)=ANY=[@ANYBLOB="90000000", @ANYRES16=r2, @ANYBLOB="01000000000000000000010000000c00050000000006000000000c0002000000000000000000040007800c0008000000000000000000080001"], 0x90}}, 0x0) 10:32:50 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$nbd(&(0x7f0000000380), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000000c0)=ANY=[@ANYBLOB="90000000", @ANYRES16=r2, @ANYBLOB="01000000000000000000010000000c00050000000005000000000c0002000000000000000000040007800c0008000000000000000000080001"], 0x90}}, 0x0) 10:32:50 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$nbd(&(0x7f0000000380), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000000c0)=ANY=[@ANYBLOB="90000000", @ANYRES16=r2, @ANYBLOB="01000000000000000000010000000c00050000000000030000000c0002000000000000000000040007800c0008000000000000000000080001"], 0x90}}, 0x0) 10:32:50 executing program 1: socketpair$unix(0x1, 0x5, 0x0, &(0x7f0000000000)={0xffffffffffffffff}) ioctl$sock_SIOCGIFINDEX(r0, 0x8933, &(0x7f00000000c0)={'bridge_slave_0\x00', 0x0}) pipe(&(0x7f0000000100)={0xffffffffffffffff, 0xffffffffffffffff}) write$binfmt_misc(r2, &(0x7f0000000000)=ANY=[], 0xfffffecc) r3 = accept(r2, &(0x7f0000000280)=@hci, &(0x7f0000000300)=0x80) r4 = socket$vsock_stream(0x28, 0x1, 0x0) write$binfmt_misc(r4, &(0x7f0000000340)={'syz1', "cfbb3daa4c615abc115980624f523b011a53a411a5e6fb970883c32454de3e988818ad8cfee82a73ddfaec3fb85ce1edddc245959bc98397a4a855c1820319841860244c88c66813df19384061a4b409f3990d9393d1c110b3a721d8918bdc697cefb18aed1a8c58e7d68d417b7b19ca37fb1f38d75a645fdd358d2d924ef023d494246d465686264467d80e789ff5cbb4c3ce4437baf0fc4865cf57f675855f1bfc2682e97fff21a04c51f4a0fcb4a1cd62ef60f819330fc94c3720b587a8df17d5982c8f721a95bce409e05a8e2ebda3636549c244a2e8eab307b0cd6435fe"}, 0xe4) r5 = socket$inet6_udplite(0xa, 0x2, 0x88) r6 = socket$inet_smc(0x2b, 0x1, 0x0) ioctl$sock_SIOCGIFINDEX(r6, 0x8933, &(0x7f0000000440)={'netpci0\x00'}) ioctl$sock_SIOCGIFINDEX(r5, 0x8933, &(0x7f0000000080)={'bridge0\x00', 0x0}) r8 = syz_init_net_socket$nl_rdma(0x10, 0x3, 0x10) setsockopt$IPT_SO_SET_ADD_COUNTERS(r3, 0x0, 0x41, &(0x7f0000000480)={'mangle\x00', 0x3, [{}, {}, {}]}, 0x58) sendmsg$RDMA_NLDEV_CMD_DELLINK(r8, &(0x7f0000000240)={&(0x7f0000000100)={0x10, 0x0, 0x0, 0x8000}, 0xc, &(0x7f0000000200)={&(0x7f0000000180)=ANY=[@ANYBLOB="20000000081410002700ffdbdf25080001000000000008000100000000000000"], 0x20}, 0x1, 0x0, 0x0, 0x24004840}, 0x4000001) r9 = socket(0x10, 0x803, 0x0) sendmsg$nl_route(r9, &(0x7f0000000140)={0x0, 0x0, &(0x7f00000001c0)={&(0x7f0000000040)=ANY=[@ANYBLOB="3800000054000100000000000000000007000000", @ANYRES32=r7, @ANYBLOB="00020000", @ANYRES32=r1, @ANYBLOB="00020800ff01000000000000000000000000000100000000"], 0x38}}, 0x0) [ 2915.213522][T14569] block nbd0: Unsupported socket: shutdown callout must be supported. 10:32:50 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000380), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000000c0)=ANY=[@ANYBLOB="90000000", @ANYRES16=r2, @ANYBLOB="01000000000000000000010000000c00050000000000040000000c0002000000000000000000040007800c0008000000000000000000080001"], 0x90}}, 0x0) [ 2915.268308][T14577] block nbd0: Unsupported socket: shutdown callout must be supported. 10:32:50 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000380), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000000c0)=ANY=[@ANYBLOB="90000000", @ANYRES16=r2, @ANYBLOB="01000000000000000000010000000c00050000000007000000000c0002000000000000000000040007800c0008000000000000000000080001"], 0x90}}, 0x0) 10:32:50 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000380), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000000c0)=ANY=[@ANYBLOB="90000000", @ANYRES16=r2, @ANYBLOB="01000000000000000000010000000c00050000000006000000000c0002000000000000000000040007800c0008000000000000000000080001"], 0x90}}, 0x0) [ 2915.381953][T14574] lo speed is unknown, defaulting to 1000 10:32:50 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000380), r0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000000)) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) r4 = socket$netlink(0x10, 0x3, 0x0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000000c0)=ANY=[@ANYBLOB="90000000", @ANYRES16=r2, @ANYBLOB="01000000000000000000010000000c0005000000000000000a000c0002000000000000000000040007800c000800000000000000000008000100000000004400078008000100", @ANYRES32, @ANYBLOB="38000100", @ANYRES32=r3, @ANYBLOB="08000100", @ANYBLOB="0800d354", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32=r4], 0x90}}, 0x0) 10:32:50 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$nbd(&(0x7f0000000380), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000000c0)=ANY=[@ANYBLOB="90000000", @ANYRES16=r2, @ANYBLOB="01000000000000000000010000000c00050000000000050000000c0002000000000000000000040007800c0008000000000000000000080001"], 0x90}}, 0x0) 10:32:50 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$nbd(&(0x7f0000000380), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000000c0)=ANY=[@ANYBLOB="90000000", @ANYRES16=r2, @ANYBLOB="01000000000000000000010000000c00050000000007000000000c0002000000000000000000040007800c0008000000000000000000080001"], 0x90}}, 0x0) [ 2915.716626][T14615] block nbd0: Unsupported socket: shutdown callout must be supported. [ 2915.816020][T14617] block nbd0: Unsupported socket: shutdown callout must be supported. [ 2916.216010][T14574] __nla_validate_parse: 60 callbacks suppressed [ 2916.216031][T14574] netlink: 9 bytes leftover after parsing attributes in process `syz-executor.5'. [ 2916.260765][T14574] device gretap0 entered promiscuous mode [ 2916.296221][T14580] ‘|‚ªu: refused to change device tx_queue_len [ 2916.303709][T14574] netlink: 9 bytes leftover after parsing attributes in process `syz-executor.5'. [ 2916.327495][T14574] ‘|‚ªu: renamed from gretap0 [ 2916.341792][T14574] device ‘|‚ªu left promiscuous mode [ 2916.377522][T14574] A link change request failed with some changes committed already. Interface ‘|‚ªu may have been left with an inconsistent configuration, please check. [ 2916.458675][T14574] lo speed is unknown, defaulting to 1000 [ 2916.577144][T14627] netlink: 9 bytes leftover after parsing attributes in process `syz-executor.5'. [ 2916.606889][T14627] device ‘|‚ªu entered promiscuous mode [ 2916.932564][T14574] device ‘|‚ªu left promiscuous mode [ 2916.941421][T14574] ‘|‚ªu: refused to change device tx_queue_len 10:32:52 executing program 5: unshare(0x40000000) mmap(&(0x7f0000000000/0xb36000)=nil, 0xb36000, 0x3, 0x8031, 0xffffffffffffffff, 0x0) unshare(0x0) r0 = socket$netlink(0x10, 0x3, 0x0) writev(r0, &(0x7f0000000080)=[{&(0x7f00000000c0)="390000001300090468fe0700000000000000ff3f04000000480100100000000004002b000a00010014a4ee1ee438d2fd000000000000007200", 0x39}], 0x1) r1 = socket$nl_route(0x10, 0x3, 0x0) sendmsg$netlink(r1, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000100)=[{&(0x7f00000001c0)=ANY=[@ANYBLOB="2800000013000100000000000000000008000000", @ANYRES32=r1, @ANYBLOB='\f\x00\x00\x00', @ANYRES32=0x0, @ANYBLOB="08000d002e14f9"], 0x28}], 0x1}, 0x0) writev(r0, &(0x7f0000000000)=[{&(0x7f0000000040)="3900000013001104680907f50300000f0000ff3f04000000290a001700000000040037000a00030014917c82aa75b9a64411f6a4ee1ee438d2", 0x39}], 0x1) 10:32:52 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000380), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000000c0)=ANY=[@ANYBLOB="90000000", @ANYRES16=r2, @ANYBLOB="01000000000000000000010000000c00050000000009000000000c0002000000000000000000040007800c0008000000000000000000080001"], 0x90}}, 0x0) 10:32:52 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000380), r0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000000)) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) r4 = socket$netlink(0x10, 0x3, 0x0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000000c0)=ANY=[@ANYBLOB="90000000", @ANYRES16=r2, @ANYBLOB="01000000000000000000010000000c0005000000000000001f000c0002000000000000000000040007800c000800000000000000000008000100000000004400078008000100", @ANYRES32, @ANYBLOB="38000100", @ANYRES32=r3, @ANYBLOB="08000100", @ANYBLOB="0800d354", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32=r4], 0x90}}, 0x0) 10:32:52 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$nbd(&(0x7f0000000380), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000000c0)=ANY=[@ANYBLOB="90000000", @ANYRES16=r2, @ANYBLOB="01000000000000000000010000000c00050000000000060000000c0002000000000000000000040007800c0008000000000000000000080001"], 0x90}}, 0x0) 10:32:52 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$nbd(&(0x7f0000000380), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000000c0)=ANY=[@ANYBLOB="90000000", @ANYRES16=r2, @ANYBLOB="01000000000000000000010000000c00050000000009000000000c0002000000000000000000040007800c0008000000000000000000080001"], 0x90}}, 0x0) 10:32:52 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$nbd(&(0x7f0000000380), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000000c0)=ANY=[@ANYBLOB="90000000", @ANYRES16=r2, @ANYBLOB="01000000000000004c00010000000c00050000000000000000000c0002000000000000000000040007800c0008000000000000000000080001"], 0x90}}, 0x0) [ 2917.307626][T14658] netlink: 76 bytes leftover after parsing attributes in process `syz-executor.2'. [ 2917.358590][T14659] netlink: 76 bytes leftover after parsing attributes in process `syz-executor.0'. [ 2917.392365][T14662] netlink: 76 bytes leftover after parsing attributes in process `syz-executor.3'. [ 2917.420875][T14660] netlink: 76 bytes leftover after parsing attributes in process `syz-executor.1'. [ 2917.451411][T14661] netlink: 8 bytes leftover after parsing attributes in process `syz-executor.4'. [ 2917.482272][T14661] netlink: 4 bytes leftover after parsing attributes in process `syz-executor.4'. [ 2917.513499][T14667] lo speed is unknown, defaulting to 1000 10:32:52 executing program 1: unshare(0x40000000) mmap(&(0x7f0000000000/0xb36000)=nil, 0xb36000, 0x3, 0x8031, 0xffffffffffffffff, 0x0) unshare(0x0) r0 = socket$netlink(0x10, 0x3, 0x0) writev(r0, &(0x7f0000000080)=[{&(0x7f00000000c0)="390000001300090468fe0700000000000000ff3f04000000480100100000000004002b000a00010014a4ee1ee438d2fd000000000000007200", 0x39}], 0x1) r1 = socket$nl_route(0x10, 0x3, 0x0) sendmsg$netlink(r1, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000100)=[{&(0x7f00000001c0)=ANY=[@ANYBLOB="2800000013000100000000000000000008000000", @ANYRES32=r1, @ANYBLOB='\f\x00\x00\x00', @ANYRES32=0x0, @ANYBLOB="08000d002e14f9"], 0x28}], 0x1}, 0x0) writev(r0, &(0x7f0000000000)=[{&(0x7f0000000040)="3900000013001103680907000000000f0000ff3f04000000290a001700000000040037000a00030014917c82aa75b9a64411f6a4ee1ee438d2", 0x39}], 0x1) [ 2917.540297][T14661] netlink: 4 bytes leftover after parsing attributes in process `syz-executor.4'. [ 2917.597232][T14661] block nbd0: Unsupported socket: shutdown callout must be supported. [ 2917.695587][T14682] block nbd0: Unsupported socket: shutdown callout must be supported. 10:32:52 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000380), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000000c0)=ANY=[@ANYBLOB="90000000", @ANYRES16=r2, @ANYBLOB="01000000000000000000010000000c0005000000000a000000000c0002000000000000000000040007800c0008000000000000000000080001"], 0x90}}, 0x0) 10:32:52 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000380), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000000c0)=ANY=[@ANYBLOB="90000000", @ANYRES16=r2, @ANYBLOB="01000000000000000000010000000c0005000000000a000000000c0002000000000000000000040007800c0008000000000000000000080001"], 0x90}}, 0x0) 10:32:52 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000380), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000000c0)=ANY=[@ANYBLOB="90000000", @ANYRES16=r2, @ANYBLOB="01000000000000000000010000000c00050000000000070000000c0002000000000000000000040007800c0008000000000000000000080001"], 0x90}}, 0x0) 10:32:53 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000380), r0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000000)) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) r4 = socket$netlink(0x10, 0x3, 0x0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000000c0)=ANY=[@ANYBLOB="90000000", @ANYRES16=r2, @ANYBLOB="01000000000000000000010000000c00050000000000000020000c0002000000000000000000040007800c000800000000000000000008000100000000004400078008000100", @ANYRES32, @ANYBLOB="38000100", @ANYRES32=r3, @ANYBLOB="08000100", @ANYBLOB="0800d354", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32=r4], 0x90}}, 0x0) [ 2917.889397][T14687] lo speed is unknown, defaulting to 1000 [ 2918.088891][T14715] block nbd0: Unsupported socket: shutdown callout must be supported. 10:32:53 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$nbd(&(0x7f0000000380), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000000c0)=ANY=[@ANYBLOB="90000000", @ANYRES16=r2, @ANYBLOB="01000000000000000000010000000c0005000000000f000000000c0002000000000000000000040007800c0008000000000000000000080001"], 0x90}}, 0x0) [ 2918.234475][T14724] block nbd0: Unsupported socket: shutdown callout must be supported. [ 2918.495952][T14667] device gretap0 entered promiscuous mode [ 2918.502937][T14667] device gretap0 left promiscuous mode [ 2918.520870][T14667] ‘|‚ªu: renamed from gretap0 [ 2918.669911][T14667] ‘|‚ªu: default qdisc (pfifo_fast) fail, fallback to noqueue [ 2918.711317][T14667] A link change request failed with some changes committed already. Interface ‘|‚ªu may have been left with an inconsistent configuration, please check. [ 2918.791124][T14669] lo speed is unknown, defaulting to 1000 [ 2918.813460][T14667] device ‘|‚ªu entered promiscuous mode [ 2918.828248][T14687] device gretap0 entered promiscuous mode [ 2918.880957][T14687] device gretap0 left promiscuous mode [ 2918.916331][T14687] ‘|‚ªu: renamed from gretap0 [ 2918.929630][T14687] ‘|‚ªu: default qdisc (pfifo_fast) fail, fallback to noqueue [ 2918.964244][T14687] A link change request failed with some changes committed already. Interface ‘|‚ªu may have been left with an inconsistent configuration, please check. 10:32:55 executing program 5: unshare(0x40000000) mmap(&(0x7f0000000000/0xb36000)=nil, 0xb36000, 0x3, 0x8031, 0xffffffffffffffff, 0x0) unshare(0x0) r0 = socket$netlink(0x10, 0x3, 0x0) writev(r0, &(0x7f0000000080)=[{&(0x7f00000000c0)="390000001300090468fe0700000000000000ff3f04000000480100100000000004002b000a00010014a4ee1ee438d2fd000000000000007200", 0x39}], 0x1) r1 = socket$nl_route(0x10, 0x3, 0x0) sendmsg$netlink(r1, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000100)=[{&(0x7f00000001c0)=ANY=[@ANYBLOB="2800000013000100000000000000000008000000", @ANYRES32=r1, @ANYBLOB='\f\x00\x00\x00', @ANYRES32=0x0, @ANYBLOB="08000d002e14f9"], 0x28}], 0x1}, 0x0) writev(r0, &(0x7f0000000000)=[{&(0x7f0000000040)="3900000013001104680907f60300000f0000ff3f04000000290a001700000000040037000a00030014917c82aa75b9a64411f6a4ee1ee438d2", 0x39}], 0x1) 10:32:55 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000380), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000000c0)=ANY=[@ANYBLOB="90000000", @ANYRES16=r2, @ANYBLOB="01000000000000000000010000000c0005000000000f000000000c0002000000000000000000040007800c0008000000000000000000080001"], 0x90}}, 0x0) 10:32:55 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000380), r0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000000)) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) r4 = socket$netlink(0x10, 0x3, 0x0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000000c0)=ANY=[@ANYBLOB="90000000", @ANYRES16=r2, @ANYBLOB="01000000000000000000010000000c0005000000000000003f000c0002000000000000000000040007800c000800000000000000000008000100000000004400078008000100", @ANYRES32, @ANYBLOB="38000100", @ANYRES32=r3, @ANYBLOB="08000100", @ANYBLOB="0800d354", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32=r4], 0x90}}, 0x0) 10:32:55 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$nbd(&(0x7f0000000380), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000000c0)=ANY=[@ANYBLOB="90000000", @ANYRES16=r2, @ANYBLOB="01000000000000000000010000000c00050000000000090000000c0002000000000000000000040007800c0008000000000000000000080001"], 0x90}}, 0x0) 10:32:55 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$nbd(&(0x7f0000000380), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000000c0)=ANY=[@ANYBLOB="90000000", @ANYRES16=r2, @ANYBLOB="01000000000000000000010000000c00050000000048000000000c0002000000000000000000040007800c0008000000000000000000080001"], 0x90}}, 0x0) 10:32:55 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$nbd(&(0x7f0000000380), r0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000000)) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) r4 = socket$netlink(0x10, 0x3, 0x0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000000c0)=ANY=[@ANYBLOB="90000000", @ANYRES16=r2, @ANYBLOB="01000000000000000000010000000c00050a00000000000000000c0002000000000000000000040007800c000800000000000000000008000100000000004400078008000100", @ANYRES32, @ANYBLOB="38000100", @ANYRES32=r3, @ANYBLOB="08000100", @ANYBLOB="0800d354", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32=r4], 0x90}}, 0x0) [ 2920.786052][T14773] block nbd0: Unsupported socket: shutdown callout must be supported. [ 2920.864708][T14780] block nbd0: Unsupported socket: shutdown callout must be supported. [ 2920.929293][T14782] block nbd0: Unsupported socket: shutdown callout must be supported. 10:32:56 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000380), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000000c0)=ANY=[@ANYBLOB="90000000", @ANYRES16=r2, @ANYBLOB="01000000000000000000010000000c000500000000000a0000000c0002000000000000000000040007800c0008000000000000000000080001"], 0x90}}, 0x0) 10:32:56 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000380), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000000c0)=ANY=[@ANYBLOB="90000000", @ANYRES16=r2, @ANYBLOB="01000000000000000000010000000c0005000000004c000000000c0002000000000000000000040007800c0008000000000000000000080001"], 0x90}}, 0x0) 10:32:56 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000380), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000000c0)=ANY=[@ANYBLOB="90000000", @ANYRES16=r2, @ANYBLOB="01000000000000000000010000000c00050000000048000000000c0002000000000000000000040007800c0008000000000000000000080001"], 0x90}}, 0x0) 10:32:56 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000380), r0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000000)) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) r4 = socket$netlink(0x10, 0x3, 0x0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000000c0)=ANY=[@ANYBLOB="90000000", @ANYRES16=r2, @ANYBLOB="01000000000000000000010000000c00050000000000000048000c0002000000000000000000040007800c000800000000000000000008000100000000004400078008000100", @ANYRES32, @ANYBLOB="38000100", @ANYRES32=r3, @ANYBLOB="08000100", @ANYBLOB="0800d354", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32=r4], 0x90}}, 0x0) 10:32:56 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$nbd(&(0x7f0000000380), r0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000000)) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) r4 = socket$netlink(0x10, 0x3, 0x0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000000c0)=ANY=[@ANYBLOB="90000000", @ANYRES16=r2, @ANYBLOB="01000000000000000000010000000c00050300000000000000000c0002000000000000000000040007800c000800000000000000000008000100000000004400078008000100", @ANYRES32, @ANYBLOB="38000100", @ANYRES32=r3, @ANYBLOB="08000100", @ANYBLOB="0800d354", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32=r4], 0x90}}, 0x0) [ 2921.043724][T14786] lo speed is unknown, defaulting to 1000 [ 2921.239705][T14807] __nla_validate_parse: 31 callbacks suppressed [ 2921.239724][T14807] netlink: 76 bytes leftover after parsing attributes in process `syz-executor.0'. [ 2921.322899][T14815] netlink: 8 bytes leftover after parsing attributes in process `syz-executor.4'. [ 2921.351499][T14815] netlink: 4 bytes leftover after parsing attributes in process `syz-executor.4'. [ 2921.390720][T14815] netlink: 4 bytes leftover after parsing attributes in process `syz-executor.4'. [ 2921.435831][T14815] block nbd0: Unsupported socket: shutdown callout must be supported. [ 2921.492658][T14814] netlink: 8 bytes leftover after parsing attributes in process `syz-executor.1'. [ 2921.514400][T14814] netlink: 4 bytes leftover after parsing attributes in process `syz-executor.1'. [ 2921.550452][T14814] netlink: 4 bytes leftover after parsing attributes in process `syz-executor.1'. [ 2921.574727][T14814] block nbd0: Unsupported socket: shutdown callout must be supported. [ 2921.638237][T14826] netlink: 8 bytes leftover after parsing attributes in process `syz-executor.4'. 10:32:56 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000380), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000000c0)=ANY=[@ANYBLOB="90000000", @ANYRES16=r2, @ANYBLOB="01000000000000000000010000000c00050000000060000000000c0002000000000000000000040007800c0008000000000000000000080001"], 0x90}}, 0x0) [ 2921.679766][T14826] netlink: 4 bytes leftover after parsing attributes in process `syz-executor.4'. [ 2921.742794][T14826] netlink: 4 bytes leftover after parsing attributes in process `syz-executor.4'. [ 2921.798112][T14786] device gretap0 entered promiscuous mode [ 2921.808168][T14786] device gretap0 left promiscuous mode [ 2921.841305][T14786] ‘|‚ªu: renamed from gretap0 [ 2921.868155][T14786] ‘|‚ªu: default qdisc (pfifo_fast) fail, fallback to noqueue [ 2921.906416][T14786] A link change request failed with some changes committed already. Interface ‘|‚ªu may have been left with an inconsistent configuration, please check. [ 2922.006422][T14786] lo speed is unknown, defaulting to 1000 [ 2922.476099][T14858] device ‘|‚ªu left promiscuous mode [ 2922.481839][T14858] ‘|‚ªu: refused to change device tx_queue_len 10:32:57 executing program 5: unshare(0x40000000) mmap(&(0x7f0000000000/0xb36000)=nil, 0xb36000, 0x3, 0x8031, 0xffffffffffffffff, 0x0) unshare(0x0) r0 = socket$netlink(0x10, 0x3, 0x0) writev(r0, &(0x7f0000000080)=[{&(0x7f00000000c0)="390000001300090468fe0700000000000000ff3f04000000480100100000000004002b000a00010014a4ee1ee438d2fd000000000000007200", 0x39}], 0x1) r1 = socket$nl_route(0x10, 0x3, 0x0) sendmsg$netlink(r1, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000100)=[{&(0x7f00000001c0)=ANY=[@ANYBLOB="2800000013000100000000000000000008000000", @ANYRES32=r1, @ANYBLOB='\f\x00\x00\x00', @ANYRES32=0x0, @ANYBLOB="08000d002e14f9"], 0x28}], 0x1}, 0x0) writev(r0, &(0x7f0000000000)=[{&(0x7f0000000040)="3900000013001104680907fa0300000f0000ff3f04000000290a001700000000040037000a00030014917c82aa75b9a64411f6a4ee1ee438d2", 0x39}], 0x1) 10:32:57 executing program 1: unshare(0x40000000) mmap(&(0x7f0000000000/0xb36000)=nil, 0xb36000, 0x3, 0x8031, 0xffffffffffffffff, 0x0) unshare(0x0) r0 = socket$netlink(0x10, 0x3, 0x0) writev(r0, &(0x7f0000000080)=[{&(0x7f00000000c0)="390000001300090468fe0700000000000000ff3f04000000480100100000000004002b000a00010014a4ee1ee438d2fd000000000000007200", 0x39}], 0x1) r1 = socket$nl_route(0x10, 0x3, 0x0) sendmsg$netlink(r1, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000100)=[{&(0x7f00000001c0)=ANY=[@ANYBLOB="2800000013000100000000000000000008000000", @ANYRES32=r1, @ANYBLOB='\f\x00\x00\x00', @ANYRES32=0x0, @ANYBLOB="08000d002e14f9"], 0x28}], 0x1}, 0x0) writev(r0, &(0x7f0000000000)=[{&(0x7f0000000040)="39000000137a1104680907000000000f0000ff3f04000000290a001700000000040037000a00030014917c82aa75b9a64411f6a4ee1ee438d2", 0x39}], 0x1) 10:32:57 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000380), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000000c0)=ANY=[@ANYBLOB="90000000", @ANYRES16=r2, @ANYBLOB="01000000000000000000010000000c000500000000000f0000000c0002000000000000000000040007800c0008000000000000000000080001"], 0x90}}, 0x0) 10:32:57 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000380), r0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000000)) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) r4 = socket$netlink(0x10, 0x3, 0x0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000000c0)=ANY=[@ANYBLOB="90000000", @ANYRES16=r2, @ANYBLOB="01000000000000000000010000000c0005000000000000004c000c0002000000000000000000040007800c000800000000000000000008000100000000004400078008000100", @ANYRES32, @ANYBLOB="38000100", @ANYRES32=r3, @ANYBLOB="08000100", @ANYBLOB="0800d354", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32=r4], 0x90}}, 0x0) 10:32:57 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000380), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000000c0)=ANY=[@ANYBLOB="90000000", @ANYRES16=r2, @ANYBLOB="01000000000000000000010000000c0005000000004c000000000c0002000000000000000000040007800c0008000000000000000000080001"], 0x90}}, 0x0) 10:32:57 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$nbd(&(0x7f0000000380), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000000c0)=ANY=[@ANYBLOB="90000000", @ANYRES16=r2, @ANYBLOB="01000000000000000000010000000c00050000000068000000000c0002000000000000000000040007800c0008000000000000000000080001"], 0x90}}, 0x0) [ 2922.858039][T14870] block nbd0: Unsupported socket: shutdown callout must be supported. 10:32:58 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$nbd(&(0x7f0000000380), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000000c0)=ANY=[@ANYBLOB="90000000", @ANYRES16=r2, @ANYBLOB="01000000000000000000010000000c000500000000001f0000000c0002000000000000000000040007800c0008000000000000000000080001"], 0x90}}, 0x0) 10:32:58 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000380), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000000c0)=ANY=[@ANYBLOB="90000000", @ANYRES16=r2, @ANYBLOB="01000000000000000000010000000c00050000000060000000000c0002000000000000000000040007800c0008000000000000000000080001"], 0x90}}, 0x0) 10:32:58 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$nbd(&(0x7f0000000380), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000000c0)=ANY=[@ANYBLOB="90000000", @ANYRES16=r2, @ANYBLOB="01000000000000000000010000000c0005000000006c000000000c0002000000000000000000040007800c0008000000000000000000080001"], 0x90}}, 0x0) [ 2922.932658][T14874] block nbd0: Unsupported socket: shutdown callout must be supported. [ 2922.936396][T14871] lo speed is unknown, defaulting to 1000 10:32:58 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$nbd(&(0x7f0000000380), r0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000000)) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) r4 = socket$netlink(0x10, 0x3, 0x0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000000c0)=ANY=[@ANYBLOB="90000000", @ANYRES16=r2, @ANYBLOB="01000000000000000000010000000c00050000000000000060000c0002000000000000000000040007800c000800000000000000000008000100000000004400078008000100", @ANYRES32, @ANYBLOB="38000100", @ANYRES32=r3, @ANYBLOB="08000100", @ANYBLOB="0800d354", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32=r4], 0x90}}, 0x0) [ 2923.097771][T14877] lo speed is unknown, defaulting to 1000 10:32:58 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000380), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000000c0)=ANY=[@ANYBLOB="90000000", @ANYRES16=r2, @ANYBLOB="01000000000000000000010000000c00050000000074000000000c0002000000000000000000040007800c0008000000000000000000080001"], 0x90}}, 0x0) 10:32:58 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000380), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000000c0)=ANY=[@ANYBLOB="90000000", @ANYRES16=r2, @ANYBLOB="01000000000000000000010000000c00050000000000200000000c0002000000000000000000040007800c0008000000000000000000080001"], 0x90}}, 0x0) [ 2923.439860][T14929] block nbd0: Unsupported socket: shutdown callout must be supported. [ 2923.499129][T14932] block nbd0: Unsupported socket: shutdown callout must be supported. [ 2923.951234][T14871] device gretap0 entered promiscuous mode [ 2923.966315][T14871] device gretap0 left promiscuous mode [ 2923.987058][T14877] device gretap0 entered promiscuous mode [ 2923.993987][T14877] device gretap0 left promiscuous mode [ 2924.009732][T14877] ‘|‚ªu: renamed from gretap0 [ 2924.048162][T14877] ‘|‚ªu: default qdisc (pfifo_fast) fail, fallback to noqueue [ 2924.079150][T14877] A link change request failed with some changes committed already. Interface ‘|‚ªu may have been left with an inconsistent configuration, please check. [ 2924.182428][T14877] lo speed is unknown, defaulting to 1000 [ 2924.309352][T14942] device ‘|‚ªu entered promiscuous mode [ 2924.637242][T14966] device ‘|‚ªu left promiscuous mode [ 2924.650035][T14966] ‘|‚ªu: refused to change device tx_queue_len 10:32:59 executing program 5: unshare(0x40000000) mmap(&(0x7f0000000000/0xb36000)=nil, 0xb36000, 0x3, 0x8031, 0xffffffffffffffff, 0x0) unshare(0x0) r0 = socket$netlink(0x10, 0x3, 0x0) writev(r0, &(0x7f0000000080)=[{&(0x7f00000000c0)="390000001300090468fe0700000000000000ff3f04000000480100100000000004002b000a00010014a4ee1ee438d2fd000000000000007200", 0x39}], 0x1) r1 = socket$nl_route(0x10, 0x3, 0x0) sendmsg$netlink(r1, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000100)=[{&(0x7f00000001c0)=ANY=[@ANYBLOB="2800000013000100000000000000000008000000", @ANYRES32=r1, @ANYBLOB='\f\x00\x00\x00', @ANYRES32=0x0, @ANYBLOB="08000d002e14f9"], 0x28}], 0x1}, 0x0) writev(r0, &(0x7f0000000000)=[{&(0x7f0000000040)="3900000013001104680907fd0300000f0000ff3f04000000290a001700000000040037000a00030014917c82aa75b9a64411f6a4ee1ee438d2", 0x39}], 0x1) 10:32:59 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000380), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000000c0)=ANY=[@ANYBLOB="90000000", @ANYRES16=r2, @ANYBLOB="01000000000000000000010000000c00050000000068000000000c0002000000000000000000040007800c0008000000000000000000080001"], 0x90}}, 0x0) 10:32:59 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$nbd(&(0x7f0000000380), r0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000000)) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) r4 = socket$netlink(0x10, 0x3, 0x0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000000c0)=ANY=[@ANYBLOB="90000000", @ANYRES16=r2, @ANYBLOB="01000000000000000000010000000c00050000000000000068000c0002000000000000000000040007800c000800000000000000000008000100000000004400078008000100", @ANYRES32, @ANYBLOB="38000100", @ANYRES32=r3, @ANYBLOB="08000100", @ANYBLOB="0800d354", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32=r4], 0x90}}, 0x0) 10:32:59 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000380), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000000c0)=ANY=[@ANYBLOB="90000000", @ANYRES16=r2, @ANYBLOB="01000000000000000000010000000c000500000000003f0000000c0002000000000000000000040007800c0008000000000000000000080001"], 0x90}}, 0x0) 10:32:59 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000380), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000000c0)=ANY=[@ANYBLOB="90000000", @ANYRES16=r2, @ANYBLOB="01000000000000000000010000000c0005000000007a000000000c0002000000000000000000040007800c0008000000000000000000080001"], 0x90}}, 0x0) 10:32:59 executing program 1: unshare(0x40000000) mmap(&(0x7f0000000000/0xb36000)=nil, 0xb36000, 0x3, 0x8031, 0xffffffffffffffff, 0x0) unshare(0x0) r0 = socket$netlink(0x10, 0x3, 0x0) writev(r0, &(0x7f0000000080)=[{&(0x7f00000000c0)="390000001300090468fe0700000000000000ff3f04000000480100100000000004002b000a00010014a4ee1ee438d2fd000000000000007200", 0x39}], 0x1) r1 = socket$nl_route(0x10, 0x3, 0x0) sendmsg$netlink(r1, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000100)=[{&(0x7f00000001c0)=ANY=[@ANYBLOB="2800000013000100000000000000000008000000", @ANYRES32=r1, @ANYBLOB='\f\x00\x00\x00', @ANYRES32=0x0, @ANYBLOB="08000d002e14f9"], 0x28}], 0x1}, 0x0) writev(r0, &(0x7f0000000000)=[{&(0x7f0000000040)="3900000013741104680907000000000f0000ff3f04000000290a001700000000040037000a00030014917c82aa75b9a64411f6a4ee1ee438d2", 0x39}], 0x1) [ 2924.941375][T14977] block nbd0: Unsupported socket: shutdown callout must be supported. 10:33:00 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$nbd(&(0x7f0000000380), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000000c0)=ANY=[@ANYBLOB="90000000", @ANYRES16=r2, @ANYBLOB="01000000000000000000010000000c00050000000000480000000c0002000000000000000000040007800c0008000000000000000000080001"], 0x90}}, 0x0) [ 2925.014902][T14982] block nbd0: Unsupported socket: shutdown callout must be supported. 10:33:00 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$nbd(&(0x7f0000000380), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000000c0)=ANY=[@ANYBLOB="90000000", @ANYRES16=r2, @ANYBLOB="01000000000000000000010000000c000500000000f0000000000c0002000000000000000000040007800c0008000000000000000000080001"], 0x90}}, 0x0) 10:33:00 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000380), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000000c0)=ANY=[@ANYBLOB="90000000", @ANYRES16=r2, @ANYBLOB="01000000000000000000010000000c0005000000006c000000000c0002000000000000000000040007800c0008000000000000000000080001"], 0x90}}, 0x0) [ 2925.096964][T14976] lo speed is unknown, defaulting to 1000 [ 2925.145824][T14981] lo speed is unknown, defaulting to 1000 10:33:00 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$nbd(&(0x7f0000000380), r0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000000)) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) r4 = socket$netlink(0x10, 0x3, 0x0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000000c0)=ANY=[@ANYBLOB="90000000", @ANYRES16=r2, @ANYBLOB="01000000000000000000010000000c0005000000000000006c000c0002000000000000000000040007800c000800000000000000000008000100000000004400078008000100", @ANYRES32, @ANYBLOB="38000100", @ANYRES32=r3, @ANYBLOB="08000100", @ANYBLOB="0800d354", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32=r4], 0x90}}, 0x0) 10:33:00 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000380), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000000c0)=ANY=[@ANYBLOB="90000000", @ANYRES16=r2, @ANYBLOB="01000000000000000000010000000c000500000000004c0000000c0002000000000000000000040007800c0008000000000000000000080001"], 0x90}}, 0x0) 10:33:00 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000380), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000000c0)=ANY=[@ANYBLOB="90000000", @ANYRES16=r2, @ANYBLOB="01000000000000000000010000000c00050000000000030000000c0002000000000000000000040007800c0008000000000000000000080001"], 0x90}}, 0x0) [ 2925.508776][T15024] block nbd0: Unsupported socket: shutdown callout must be supported. [ 2925.588590][T15033] block nbd0: Unsupported socket: shutdown callout must be supported. [ 2925.981693][T14981] device gretap0 entered promiscuous mode [ 2925.989033][T14981] device gretap0 left promiscuous mode [ 2926.024244][T14981] ‘|‚ªu: renamed from gretap0 [ 2926.048046][T14981] ‘|‚ªu: default qdisc (pfifo_fast) fail, fallback to noqueue [ 2926.080756][T14981] A link change request failed with some changes committed already. Interface ‘|‚ªu may have been left with an inconsistent configuration, please check. [ 2926.237199][T14976] device gretap0 entered promiscuous mode [ 2926.243385][T14980] ‘|‚ªu: refused to change device tx_queue_len [ 2926.255650][T15049] __nla_validate_parse: 51 callbacks suppressed [ 2926.255669][T15049] netlink: 9 bytes leftover after parsing attributes in process `syz-executor.5'. [ 2926.299772][T15049] device ‘|‚ªu entered promiscuous mode [ 2926.336085][T14981] lo speed is unknown, defaulting to 1000 10:33:02 executing program 5: unshare(0x40000000) mmap(&(0x7f0000000000/0xb36000)=nil, 0xb36000, 0x3, 0x8031, 0xffffffffffffffff, 0x0) unshare(0x0) r0 = socket$netlink(0x10, 0x3, 0x0) writev(r0, &(0x7f0000000080)=[{&(0x7f00000000c0)="390000001300090468fe0700000000000000ff3f04000000480100100000000004002b000a00010014a4ee1ee438d2fd000000000000007200", 0x39}], 0x1) r1 = socket$nl_route(0x10, 0x3, 0x0) sendmsg$netlink(r1, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000100)=[{&(0x7f00000001c0)=ANY=[@ANYBLOB="2800000013000100000000000000000008000000", @ANYRES32=r1, @ANYBLOB='\f\x00\x00\x00', @ANYRES32=0x0, @ANYBLOB="08000d002e14f9"], 0x28}], 0x1}, 0x0) writev(r0, &(0x7f0000000000)=[{&(0x7f0000000040)="3900000013001104680907fe0300000f0000ff3f04000000290a001700000000040037000a00030014917c82aa75b9a64411f6a4ee1ee438d2", 0x39}], 0x1) 10:33:02 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000380), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000000c0)=ANY=[@ANYBLOB="90000000", @ANYRES16=r2, @ANYBLOB="01000000000000000000010000000c00050000000074000000000c0002000000000000000000040007800c0008000000000000000000080001"], 0x90}}, 0x0) 10:33:02 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$nbd(&(0x7f0000000380), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000000c0)=ANY=[@ANYBLOB="90000000", @ANYRES16=r2, @ANYBLOB="01000000000000000000010000000c00050000000000600000000c0002000000000000000000040007800c0008000000000000000000080001"], 0x90}}, 0x0) 10:33:02 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$nbd(&(0x7f0000000380), r0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000000)) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) r4 = socket$netlink(0x10, 0x3, 0x0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000000c0)=ANY=[@ANYBLOB="90000000", @ANYRES16=r2, @ANYBLOB="01000000000000000000010000000c00050000000000000074000c0002000000000000000000040007800c000800000000000000000008000100000000004400078008000100", @ANYRES32, @ANYBLOB="38000100", @ANYRES32=r3, @ANYBLOB="08000100", @ANYBLOB="0800d354", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32=r4], 0x90}}, 0x0) 10:33:02 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000380), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000000c0)=ANY=[@ANYBLOB="90000000", @ANYRES16=r2, @ANYBLOB="01000000000000000000010000000c00050000000000050000000c0002000000000000000000040007800c0008000000000000000000080001"], 0x90}}, 0x0) 10:33:02 executing program 1: socketpair$unix(0x1, 0x5, 0x0, &(0x7f0000000000)={0xffffffffffffffff}) ioctl$sock_SIOCGIFINDEX(r0, 0x8933, &(0x7f00000000c0)={'bridge_slave_0\x00', 0x0}) r2 = socket$inet6_udplite(0xa, 0x2, 0x88) ioctl$sock_SIOCGIFINDEX(r2, 0x8933, &(0x7f0000000080)={'bridge0\x00', 0x0}) r4 = socket(0x10, 0x803, 0x0) sendmsg$nl_route(r4, &(0x7f0000000240)={0x0, 0x0, &(0x7f00000001c0)={&(0x7f0000000040)=@RTM_NEWMDB={0x38, 0x54, 0x1, 0x0, 0x0, {0x7, r3}, [@MDBA_SET_ENTRY={0x20, 0x1, {r1, 0x0, 0x0, 0x0, {@in6_addr=@mcast1}}}]}, 0x38}, 0x1, 0x0, 0x0, 0xfffff000}, 0x0) [ 2927.036469][T15084] netlink: 76 bytes leftover after parsing attributes in process `syz-executor.0'. [ 2927.095785][T15081] netlink: 76 bytes leftover after parsing attributes in process `syz-executor.3'. [ 2927.170005][T15093] netlink: 8 bytes leftover after parsing attributes in process `syz-executor.4'. 10:33:02 executing program 1: unshare(0x40000000) mmap(&(0x7f0000000000/0xb36000)=nil, 0xb36000, 0x3, 0x8031, 0xffffffffffffffff, 0x0) unshare(0x0) r0 = socket$netlink(0x10, 0x3, 0x0) writev(r0, &(0x7f0000000080)=[{&(0x7f00000000c0)="390000001300090468fe0700000000000000ff3f04000000480100100000000004002b000a00010014a4ee1ee438d2fd000000000000007200", 0x39}], 0x1) r1 = socket$nl_route(0x10, 0x3, 0x0) sendmsg$netlink(r1, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000100)=[{&(0x7f00000001c0)=ANY=[@ANYBLOB="2800000013000100000000000000000008000000", @ANYRES32=r1, @ANYBLOB='\f\x00\x00\x00', @ANYRES32=0x0, @ANYBLOB="08000d002e14f9"], 0x28}], 0x1}, 0x0) writev(r0, &(0x7f0000000000)=[{&(0x7f0000000040)="3900000013081104680907000000000f0000ff3f04000000290a001700000000040037000a00030014917c82aa75b9a64411f6a4ee1ee438d2", 0x39}], 0x1) 10:33:02 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000380), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000000c0)=ANY=[@ANYBLOB="90000000", @ANYRES16=r2, @ANYBLOB="01000000000000000000010000000c0005000000007a000000000c0002000000000000000000040007800c0008000000000000000000080001"], 0x90}}, 0x0) [ 2927.231929][T15093] netlink: 4 bytes leftover after parsing attributes in process `syz-executor.4'. 10:33:02 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000380), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000000c0)=ANY=[@ANYBLOB="90000000", @ANYRES16=r2, @ANYBLOB="01000000000000000000010000000c00050000000000680000000c0002000000000000000000040007800c0008000000000000000000080001"], 0x90}}, 0x0) 10:33:02 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000380), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000000c0)=ANY=[@ANYBLOB="90000000", @ANYRES16=r2, @ANYBLOB="01000000000000000000010000000c00050000000000060000000c0002000000000000000000040007800c0008000000000000000000080001"], 0x90}}, 0x0) [ 2927.273831][T15092] lo speed is unknown, defaulting to 1000 [ 2927.284338][T15093] netlink: 4 bytes leftover after parsing attributes in process `syz-executor.4'. 10:33:02 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000380), r0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000000)) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) r4 = socket$netlink(0x10, 0x3, 0x0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000000c0)=ANY=[@ANYBLOB="90000000", @ANYRES16=r2, @ANYBLOB="01000000000000000000010000000c0005000000000000007a000c0002000000000000000000040007800c000800000000000000000008000100000000004400078008000100", @ANYRES32, @ANYBLOB="38000100", @ANYRES32=r3, @ANYBLOB="08000100", @ANYBLOB="0800d354", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32=r4], 0x90}}, 0x0) [ 2927.504327][T15113] netlink: 76 bytes leftover after parsing attributes in process `syz-executor.3'. [ 2927.572260][T15115] netlink: 76 bytes leftover after parsing attributes in process `syz-executor.0'. [ 2927.581866][T15114] lo speed is unknown, defaulting to 1000 [ 2927.608826][T15116] netlink: 76 bytes leftover after parsing attributes in process `syz-executor.2'. 10:33:02 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000380), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000000c0)=ANY=[@ANYBLOB="90000000", @ANYRES16=r2, @ANYBLOB="01000000000000000000010000000c000500000000f0000000000c0002000000000000000000040007800c0008000000000000000000080001"], 0x90}}, 0x0) [ 2927.706838][T15137] netlink: 8 bytes leftover after parsing attributes in process `syz-executor.4'. [ 2927.774113][T15137] block nbd0: Unsupported socket: shutdown callout must be supported. [ 2927.878130][T15154] block nbd0: Unsupported socket: shutdown callout must be supported. [ 2928.143645][T15092] device gretap0 entered promiscuous mode [ 2928.153353][T15092] device gretap0 left promiscuous mode [ 2928.171119][T15092] ‘|‚ªu: renamed from gretap0 [ 2928.190517][T15092] ‘|‚ªu: default qdisc (pfifo_fast) fail, fallback to noqueue [ 2928.235155][T15092] A link change request failed with some changes committed already. Interface ‘|‚ªu may have been left with an inconsistent configuration, please check. [ 2928.319568][T15092] lo speed is unknown, defaulting to 1000 [ 2928.453083][T15114] device gretap0 entered promiscuous mode [ 2928.470008][T15114] device gretap0 left promiscuous mode 10:33:03 executing program 5: unshare(0x40000000) mmap(&(0x7f0000000000/0xb36000)=nil, 0xb36000, 0x3, 0x8031, 0xffffffffffffffff, 0x0) unshare(0x0) r0 = socket$netlink(0x10, 0x3, 0x0) writev(r0, &(0x7f0000000080)=[{&(0x7f00000000c0)="390000001300090468fe0700000000000000ff3f04000000480100100000000004002b000a00010014a4ee1ee438d2fd000000000000007200", 0x39}], 0x1) r1 = socket$nl_route(0x10, 0x3, 0x0) sendmsg$netlink(r1, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000100)=[{&(0x7f00000001c0)=ANY=[@ANYBLOB="2800000013000100000000000000000008000000", @ANYRES32=r1, @ANYBLOB='\f\x00\x00\x00', @ANYRES32=0x0, @ANYBLOB="08000d002e14f9"], 0x28}], 0x1}, 0x0) writev(r0, &(0x7f0000000000)=[{&(0x7f0000000040)="3900000013001104680907000500000f0000ff3f04000000290a001700000000040037000a00030014917c82aa75b9a64411f6a4ee1ee438d2", 0x39}], 0x1) 10:33:03 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000380), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000000c0)=ANY=[@ANYBLOB="90000000", @ANYRES16=r2, @ANYBLOB="01000000000000000000010000000c00050000000000030000000c0002000000000000000000040007800c0008000000000000000000080001"], 0x90}}, 0x0) 10:33:03 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000380), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000000c0)=ANY=[@ANYBLOB="90000000", @ANYRES16=r2, @ANYBLOB="01000000000000000000010000000c00050000000000070000000c0002000000000000000000040007800c0008000000000000000000080001"], 0x90}}, 0x0) 10:33:03 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000380), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000000c0)=ANY=[@ANYBLOB="90000000", @ANYRES16=r2, @ANYBLOB="01000000000000000000010000000c000500000000006c0000000c0002000000000000000000040007800c0008000000000000000000080001"], 0x90}}, 0x0) 10:33:03 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000380), r0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000000)) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) r4 = socket$netlink(0x10, 0x3, 0x0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000000c0)=ANY=[@ANYBLOB="90000000", @ANYRES16=r2, @ANYBLOB="01000000000000000000010000000c000500000000000000f0000c0002000000000000000000040007800c000800000000000000000008000100000000004400078008000100", @ANYRES32, @ANYBLOB="38000100", @ANYRES32=r3, @ANYBLOB="08000100", @ANYBLOB="0800d354", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32=r4], 0x90}}, 0x0) [ 2928.856848][T15192] block nbd0: Unsupported socket: shutdown callout must be supported. [ 2928.929031][T15195] block nbd0: Unsupported socket: shutdown callout must be supported. 10:33:04 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$nbd(&(0x7f0000000380), r0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000000)) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) r4 = socket$netlink(0x10, 0x3, 0x0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000000c0)=ANY=[@ANYBLOB="90000000", @ANYRES16=r2, @ANYBLOB="01000000000000000000010000020c00050000000000000000000c0002000000000000000000040007800c000800000000000000000008000100000000004400078008000100", @ANYRES32, @ANYBLOB="38000100", @ANYRES32=r3, @ANYBLOB="08000100", @ANYBLOB="0800d354", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32=r4], 0x90}}, 0x0) 10:33:04 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000380), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000000c0)=ANY=[@ANYBLOB="90000000", @ANYRES16=r2, @ANYBLOB="01000000000000000000010000000c00050000000000090000000c0002000000000000000000040007800c0008000000000000000000080001"], 0x90}}, 0x0) 10:33:04 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000380), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000000c0)=ANY=[@ANYBLOB="90000000", @ANYRES16=r2, @ANYBLOB="01000000000000000000010000000c00050000000000050000000c0002000000000000000000040007800c0008000000000000000000080001"], 0x90}}, 0x0) 10:33:04 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000380), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000000c0)=ANY=[@ANYBLOB="90000000", @ANYRES16=r2, @ANYBLOB="01000000000000000000010000000c00050000000000740000000c0002000000000000000000040007800c0008000000000000000000080001"], 0x90}}, 0x0) 10:33:04 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000380), r0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000000)) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) r4 = socket$netlink(0x10, 0x3, 0x0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000000c0)=ANY=[@ANYBLOB="90000000", @ANYRES16=r2, @ANYBLOB="01000000000000000000010000000c0005000000000000000000600002000000000000000000040007800c000800000000000000000008000100000000004400078008000100", @ANYRES32, @ANYBLOB="38000100", @ANYRES32=r3, @ANYBLOB="08000100", @ANYBLOB="0800d354", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32=r4], 0x90}}, 0x0) [ 2929.112002][T15198] lo speed is unknown, defaulting to 1000 [ 2929.176933][T15205] block nbd0: Unsupported socket: shutdown callout must be supported. 10:33:04 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$nbd(&(0x7f0000000380), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000000c0)=ANY=[@ANYBLOB="90000000", @ANYRES16=r2, @ANYBLOB="01000000000000000006010000000c00050000000000000000000c0002000000000000000000040007800c0008000000000000000000080001"], 0x90}}, 0x0) [ 2929.381300][T15222] netlink: 'syz-executor.4': attribute type 2 has an invalid length. 10:33:04 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$nbd(&(0x7f0000000380), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000000c0)=ANY=[@ANYBLOB="90000000", @ANYRES16=r2, @ANYBLOB="01000000000000000000010000000c000500000000000a0000000c0002000000000000000000040007800c0008000000000000000000080001"], 0x90}}, 0x0) [ 2929.442026][T15222] nbd: must specify at least one socket [ 2929.502351][T15235] netlink: 'syz-executor.4': attribute type 2 has an invalid length. [ 2929.555118][T15235] nbd: must specify at least one socket [ 2929.887540][T15198] device gretap0 entered promiscuous mode [ 2929.905209][T15198] device gretap0 left promiscuous mode [ 2929.919899][T15198] ‘|‚ªu: renamed from gretap0 [ 2929.937791][T15198] ‘|‚ªu: default qdisc (pfifo_fast) fail, fallback to noqueue [ 2929.962708][T15198] A link change request failed with some changes committed already. Interface ‘|‚ªu may have been left with an inconsistent configuration, please check. [ 2930.060255][T15198] lo speed is unknown, defaulting to 1000 10:33:05 executing program 5: unshare(0x40000000) mmap(&(0x7f0000000000/0xb36000)=nil, 0xb36000, 0x3, 0x8031, 0xffffffffffffffff, 0x0) unshare(0x0) r0 = socket$netlink(0x10, 0x3, 0x0) writev(r0, &(0x7f0000000080)=[{&(0x7f00000000c0)="390000001300090468fe0700000000000000ff3f04000000480100100000000004002b000a00010014a4ee1ee438d2fd000000000000007200", 0x39}], 0x1) r1 = socket$nl_route(0x10, 0x3, 0x0) sendmsg$netlink(r1, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000100)=[{&(0x7f00000001c0)=ANY=[@ANYBLOB="2800000013000100000000000000000008000000", @ANYRES32=r1, @ANYBLOB='\f\x00\x00\x00', @ANYRES32=0x0, @ANYBLOB="08000d002e14f9"], 0x28}], 0x1}, 0x0) writev(r0, &(0x7f0000000000)=[{&(0x7f0000000040)="3900000013001104680907b60500000f0000ff3f04000000290a001700000000040037000a00030014917c82aa75b9a64411f6a4ee1ee438d2", 0x39}], 0x1) 10:33:05 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000380), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000000c0)=ANY=[@ANYBLOB="90000000", @ANYRES16=r2, @ANYBLOB="01000000000000000000010000000c00050000000000060000000c0002000000000000000000040007800c0008000000000000000000080001"], 0x90}}, 0x0) 10:33:05 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000380), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000000c0)=ANY=[@ANYBLOB="90000000", @ANYRES16=r2, @ANYBLOB="01000000000000000000010000000c000500000000007a0000000c0002000000000000000000040007800c0008000000000000000000080001"], 0x90}}, 0x0) 10:33:05 executing program 1: unshare(0x40000000) mmap(&(0x7f0000000000/0xb36000)=nil, 0xb36000, 0x3, 0x8031, 0xffffffffffffffff, 0x0) unshare(0x0) r0 = socket$netlink(0x10, 0x3, 0x0) writev(r0, &(0x7f0000000080)=[{&(0x7f00000000c0)="390000001300090468fe0700000000000000ff3f04000000480100100000000004002b000a00010014a4ee1ee438d2fd000000000000007200", 0x39}], 0x1) r1 = socket$nl_route(0x10, 0x3, 0x0) sendmsg$netlink(r1, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000100)=[{&(0x7f00000001c0)=ANY=[@ANYBLOB="2800000013000100000000000000000008000000", @ANYRES32=r1, @ANYBLOB='\f\x00\x00\x00', @ANYRES32=0x0, @ANYBLOB="08000d002e14f9"], 0x28}], 0x1}, 0x0) writev(r0, &(0x7f0000000000)=[{&(0x7f0000000040)="390000f113001104680907000000000f0000ff3f04000000290a001700000000040037000a00030014917c82aa75b9a64411f6a4ee1ee438d2", 0x39}], 0x1) 10:33:05 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$nbd(&(0x7f0000000380), r0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000000)) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) r4 = socket$netlink(0x10, 0x3, 0x0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000000c0)=ANY=[@ANYBLOB="90000000", @ANYRES16=r2, @ANYBLOB="01000000000000000000010000000c0005000000000000000000670002000000000000000000040007800c000800000000000000000008000100000000004400078008000100", @ANYRES32, @ANYBLOB="38000100", @ANYRES32=r3, @ANYBLOB="08000100", @ANYBLOB="0800d354", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32=r4], 0x90}}, 0x0) 10:33:05 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000380), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000000c0)=ANY=[@ANYBLOB="90000000", @ANYRES16=r2, @ANYBLOB="01000000000000000000010000000c000500000000000f0000000c0002000000000000000000040007800c0008000000000000000000080001"], 0x90}}, 0x0) [ 2930.874151][T15280] netlink: 'syz-executor.4': attribute type 2 has an invalid length. 10:33:06 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000380), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000000c0)=ANY=[@ANYBLOB="90000000", @ANYRES16=r2, @ANYBLOB="01000000000000000000010000000c000500000000001f0000000c0002000000000000000000040007800c0008000000000000000000080001"], 0x90}}, 0x0) [ 2930.921712][T15280] nbd: must specify at least one socket [ 2930.980961][T15288] netlink: 'syz-executor.4': attribute type 2 has an invalid length. [ 2930.990966][T15283] lo speed is unknown, defaulting to 1000 10:33:06 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000380), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000000c0)=ANY=[@ANYBLOB="90000000", @ANYRES16=r2, @ANYBLOB="01000000000000000000010000000c00050000000000070000000c0002000000000000000000040007800c0008000000000000000000080001"], 0x90}}, 0x0) [ 2931.038471][T15288] nbd: must specify at least one socket [ 2931.074330][T15285] lo speed is unknown, defaulting to 1000 10:33:06 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000380), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000000c0)=ANY=[@ANYBLOB="90000000", @ANYRES16=r2, @ANYBLOB="01000000000000000000010000000c00050000e160dc950000000c0002000000000000000000040007800c0008000000000000000000080001"], 0x90}}, 0x0) 10:33:06 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000380), r0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000000)) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) r4 = socket$netlink(0x10, 0x3, 0x0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000000c0)=ANY=[@ANYBLOB="90000000", @ANYRES16=r2, @ANYBLOB="01000000000000000000010000000c0005000000000000000000700002000000000000000000040007800c000800000000000000000008000100000000004400078008000100", @ANYRES32, @ANYBLOB="38000100", @ANYRES32=r3, @ANYBLOB="08000100", @ANYBLOB="0800d354", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32=r4], 0x90}}, 0x0) 10:33:06 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$nbd(&(0x7f0000000380), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000000c0)=ANY=[@ANYBLOB="90000000", @ANYRES16=r2, @ANYBLOB="01000000000000000000010000000c00050000000000200000000c0002000000000000000000040007800c0008000000000000000000080001"], 0x90}}, 0x0) [ 2931.405887][T15337] __nla_validate_parse: 36 callbacks suppressed [ 2931.405908][T15337] netlink: 76 bytes leftover after parsing attributes in process `syz-executor.3'. [ 2931.466856][T15338] netlink: 76 bytes leftover after parsing attributes in process `syz-executor.0'. [ 2931.580036][T15343] netlink: 'syz-executor.4': attribute type 2 has an invalid length. 10:33:06 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000380), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000000c0)=ANY=[@ANYBLOB="90000000", @ANYRES16=r2, @ANYBLOB="01000000000000000000010000000c00050000000000090000000c0002000000000000000000040007800c0008000000000000000000080001"], 0x90}}, 0x0) [ 2931.623188][T15343] nbd: must specify at least one socket [ 2931.708803][T15348] netlink: 'syz-executor.4': attribute type 2 has an invalid length. [ 2931.761587][T15348] nbd: must specify at least one socket [ 2931.838600][T15351] netlink: 76 bytes leftover after parsing attributes in process `syz-executor.3'. [ 2931.933425][T15285] netlink: 9 bytes leftover after parsing attributes in process `syz-executor.5'. [ 2931.966244][T15285] device gretap0 entered promiscuous mode [ 2932.004252][T15291] device ‘|‚ªu left promiscuous mode [ 2932.011020][T15291] ‘|‚ªu: refused to change device tx_queue_len [ 2932.060362][T15285] netlink: 9 bytes leftover after parsing attributes in process `syz-executor.5'. [ 2932.096288][T15285] ‘|‚ªu: renamed from gretap0 [ 2932.202604][T15285] device ‘|‚ªu left promiscuous mode [ 2932.232701][T15285] A link change request failed with some changes committed already. Interface ‘|‚ªu may have been left with an inconsistent configuration, please check. [ 2932.259871][T15283] netlink: 9 bytes leftover after parsing attributes in process `syz-executor.1'. [ 2932.293681][T15283] device gretap0 entered promiscuous mode [ 2932.308048][T15284] ‘|‚ªu: refused to change device tx_queue_len [ 2932.319186][T15291] lo speed is unknown, defaulting to 1000 [ 2932.390706][T15352] ‘|‚ªu: refused to change device tx_queue_len 10:33:07 executing program 5: unshare(0x40000000) mmap(&(0x7f0000000000/0xb36000)=nil, 0xb36000, 0x3, 0x8031, 0xffffffffffffffff, 0x0) unshare(0x0) r0 = socket$netlink(0x10, 0x3, 0x0) writev(r0, &(0x7f0000000080)=[{&(0x7f00000000c0)="390000001300090468fe0700000000000000ff3f04000000480100100000000004002b000a00010014a4ee1ee438d2fd000000000000007200", 0x39}], 0x1) r1 = socket$nl_route(0x10, 0x3, 0x0) sendmsg$netlink(r1, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000100)=[{&(0x7f00000001c0)=ANY=[@ANYBLOB="2800000013000100000000000000000008000000", @ANYRES32=r1, @ANYBLOB='\f\x00\x00\x00', @ANYRES32=0x0, @ANYBLOB="08000d002e14f9"], 0x28}], 0x1}, 0x0) writev(r0, &(0x7f0000000000)=[{&(0x7f0000000040)="3900000013001104680907dc0500000f0000ff3f04000000290a001700000000040037000a00030014917c82aa75b9a64411f6a4ee1ee438d2", 0x39}], 0x1) 10:33:07 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000380), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000000c0)=ANY=[@ANYBLOB="90000000", @ANYRES16=r2, @ANYBLOB="01000000000000000000010000000c00050000ffffff9e0000000c0002000000000000000000040007800c0008000000000000000000080001"], 0x90}}, 0x0) 10:33:07 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000380), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000000c0)=ANY=[@ANYBLOB="90000000", @ANYRES16=r2, @ANYBLOB="01000000000000000000010000000c000500000000003f0000000c0002000000000000000000040007800c0008000000000000000000080001"], 0x90}}, 0x0) 10:33:07 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000380), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000000c0)=ANY=[@ANYBLOB="90000000", @ANYRES16=r2, @ANYBLOB="01000000000009000000010000000c00050000000000000000000c0002000000000000000000040007800c0008000000000000000000080001"], 0x90}}, 0x0) 10:33:07 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000380), r0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000000)) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) r4 = socket$netlink(0x10, 0x3, 0x0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000000c0)=ANY=[@ANYBLOB="90000000", @ANYRES16=r2, @ANYBLOB="01000000000000000000010000000c00050000000000000000007c0002000000000000000000040007800c000800000000000000000008000100000000004400078008000100", @ANYRES32, @ANYBLOB="38000100", @ANYRES32=r3, @ANYBLOB="08000100", @ANYBLOB="0800d354", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32=r4], 0x90}}, 0x0) 10:33:07 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000380), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000000c0)=ANY=[@ANYBLOB="90000000", @ANYRES16=r2, @ANYBLOB="01000000000000000000010000000c000500000000000a0000000c0002000000000000000000040007800c0008000000000000000000080001"], 0x90}}, 0x0) [ 2932.667016][T15382] netlink: 112 bytes leftover after parsing attributes in process `syz-executor.4'. [ 2932.701708][T15382] nbd: must specify at least one socket [ 2932.717840][T15388] netlink: 76 bytes leftover after parsing attributes in process `syz-executor.3'. [ 2932.747088][T15387] netlink: 76 bytes leftover after parsing attributes in process `syz-executor.2'. [ 2932.763048][T15391] lo speed is unknown, defaulting to 1000 [ 2932.782923][T15389] netlink: 76 bytes leftover after parsing attributes in process `syz-executor.0'. [ 2932.826081][T15401] nbd: must specify at least one socket 10:33:08 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000380), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000000c0)=ANY=[@ANYBLOB="90000000", @ANYRES16=r2, @ANYBLOB="01000000000000000000010000000c000500000000000f0000000c0002000000000000000000040007800c0008000000000000000000080001"], 0x90}}, 0x0) 10:33:08 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$nbd(&(0x7f0000000380), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000000c0)=ANY=[@ANYBLOB="90000000", @ANYRES16=r2, @ANYBLOB="01000000000000000000010000000c00050000000000480000000c0002000000000000000000040007800c0008000000000000000000080001"], 0x90}}, 0x0) 10:33:08 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$nbd(&(0x7f0000000380), r0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000000)) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) r4 = socket$netlink(0x10, 0x3, 0x0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000000c0)=ANY=[@ANYBLOB="90000000", @ANYRES16=r2, @ANYBLOB="01000000000000000000010000000c00050000000000007fffffff0002000000000000000000040007800c000800000000000000000008000100000000004400078008000100", @ANYRES32, @ANYBLOB="38000100", @ANYRES32=r3, @ANYBLOB="08000100", @ANYBLOB="0800d354", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32=r4], 0x90}}, 0x0) 10:33:08 executing program 1: unshare(0x40000000) mmap(&(0x7f0000000000/0xb36000)=nil, 0xb36000, 0x3, 0x8031, 0xffffffffffffffff, 0x0) unshare(0x0) r0 = socket$netlink(0x10, 0x3, 0x0) writev(r0, &(0x7f0000000080)=[{&(0x7f00000000c0)="390000001300090468fe0700000000000000ff3f04000000480100100000000004002b000a00010014a4ee1ee438d2fd000000000000007200", 0x39}], 0x1) r1 = socket$nl_route(0x10, 0x3, 0x0) sendmsg$netlink(r1, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000100)=[{&(0x7f00000001c0)=ANY=[@ANYBLOB="2800000013000100000000000000000008000000", @ANYRES32=r1, @ANYBLOB='\f\x00\x00\x00', @ANYRES32=0x0, @ANYBLOB="08000d002e14f9"], 0x28}], 0x1}, 0x0) writev(r0, &(0x7f0000000000)=[{&(0x7f0000000040)="390000d213001104680907000000000f0000ff3f04000000290a001700000000040037000a00030014917c82aa75b9a64411f6a4ee1ee438d2", 0x39}], 0x1) 10:33:08 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$nbd(&(0x7f0000000380), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000000c0)=ANY=[@ANYBLOB="90000000", @ANYRES16=r2, @ANYBLOB="01000000000000000000010000000c00050000000015a00000000c0002000000000000000000040007800c0008000000000000000000080001"], 0x90}}, 0x0) [ 2933.052972][T15413] nbd: must specify at least one socket [ 2933.110301][T15420] nbd: must specify at least one socket 10:33:08 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$nbd(&(0x7f0000000380), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000000c0)=ANY=[@ANYBLOB="90000000", @ANYRES16=r2, @ANYBLOB="01000000000000000000010000000c000500000000004c0000000c0002000000000000000000040007800c0008000000000000000000080001"], 0x90}}, 0x0) [ 2933.359149][T15431] lo speed is unknown, defaulting to 1000 [ 2933.756197][T15391] device gretap0 entered promiscuous mode [ 2933.762314][T15402] ‘|‚ªu: refused to change device tx_queue_len [ 2933.789503][T15391] ‘|‚ªu: renamed from gretap0 [ 2933.807031][T15391] device ‘|‚ªu left promiscuous mode [ 2933.829368][T15391] A link change request failed with some changes committed already. Interface ‘|‚ªu may have been left with an inconsistent configuration, please check. [ 2933.955268][T15391] lo speed is unknown, defaulting to 1000 [ 2934.127140][T15431] device gretap0 entered promiscuous mode [ 2934.134947][T15455] device ‘|‚ªu entered promiscuous mode [ 2934.140989][T15434] ‘|‚ªu: refused to change device tx_queue_len 10:33:09 executing program 5: unshare(0x40000000) mmap(&(0x7f0000000000/0xb36000)=nil, 0xb36000, 0x3, 0x8031, 0xffffffffffffffff, 0x0) unshare(0x0) r0 = socket$netlink(0x10, 0x3, 0x0) writev(r0, &(0x7f0000000080)=[{&(0x7f00000000c0)="390000001300090468fe0700000000000000ff3f04000000480100100000000004002b000a00010014a4ee1ee438d2fd000000000000007200", 0x39}], 0x1) r1 = socket$nl_route(0x10, 0x3, 0x0) sendmsg$netlink(r1, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000100)=[{&(0x7f00000001c0)=ANY=[@ANYBLOB="2800000013000100000000000000000008000000", @ANYRES32=r1, @ANYBLOB='\f\x00\x00\x00', @ANYRES32=0x0, @ANYBLOB="08000d002e14f9"], 0x28}], 0x1}, 0x0) writev(r0, &(0x7f0000000000)=[{&(0x7f0000000040)="3900000013001104680907000600000f0000ff3f04000000290a001700000000040037000a00030014917c82aa75b9a64411f6a4ee1ee438d2", 0x39}], 0x1) 10:33:09 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000380), r0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000000)) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) r4 = socket$netlink(0x10, 0x3, 0x0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000000c0)=ANY=[@ANYBLOB="90000000", @ANYRES16=r2, @ANYBLOB="01000000000000000000010000000c00050000000000000002000c0002000000000000000000040007800c000800000000000000000008000100000000004400078008000100", @ANYRES32, @ANYBLOB="38000100", @ANYRES32=r3, @ANYBLOB="08000100", @ANYBLOB="0800d354", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32=r4], 0x90}}, 0x0) 10:33:09 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000380), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000000c0)=ANY=[@ANYBLOB="90000000", @ANYRES16=r2, @ANYBLOB="01000000000000000000010000000c000500000000001f0000000c0002000000000000000000040007800c0008000000000000000000080001"], 0x90}}, 0x0) 10:33:09 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$nbd(&(0x7f0000000380), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000000c0)=ANY=[@ANYBLOB="90000000", @ANYRES16=r2, @ANYBLOB="01000000000000000000010000000c0005000095dc60e10000000c0002000000000000000000040007800c0008000000000000000000080001"], 0x90}}, 0x0) 10:33:09 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$nbd(&(0x7f0000000380), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000000c0)=ANY=[@ANYBLOB="90000000", @ANYRES16=r2, @ANYBLOB="01000000000000000000010000000c00050000000000600000000c0002000000000000000000040007800c0008000000000000000000080001"], 0x90}}, 0x0) 10:33:09 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$nbd(&(0x7f0000000380), r0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000000)) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) r4 = socket$netlink(0x10, 0x3, 0x0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000000c0)=ANY=[@ANYBLOB="90000000", @ANYRES16=r2, @ANYBLOB="01000000000000000000010009000c00050000000000000000000c0002000000000000000000040007800c000800000000000000000008000100000000004400078008000100", @ANYRES32, @ANYBLOB="38000100", @ANYRES32=r3, @ANYBLOB="08000100", @ANYBLOB="0800d354", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32=r4], 0x90}}, 0x0) [ 2934.846255][T15500] block nbd0: Unsupported socket: shutdown callout must be supported. [ 2934.907792][T15497] block nbd0: Unsupported socket: shutdown callout must be supported. [ 2934.947525][T15507] block nbd0: Unsupported socket: shutdown callout must be supported. 10:33:10 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000380), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000000c0)=ANY=[@ANYBLOB="90000000", @ANYRES16=r2, @ANYBLOB="01000000000000000000010000000c00050000fffffff00000000c0002000000000000000000040007800c0008000000000000000000080001"], 0x90}}, 0x0) [ 2934.993272][T15508] lo speed is unknown, defaulting to 1000 10:33:10 executing program 1: socketpair$unix(0x1, 0x5, 0x0, &(0x7f0000000000)={0xffffffffffffffff}) ioctl$sock_SIOCGIFINDEX(r0, 0x8933, &(0x7f00000000c0)={'bridge_slave_0\x00', 0x0}) r2 = socket$inet6_udplite(0xa, 0x2, 0x88) ioctl$sock_SIOCGIFINDEX(r2, 0x8933, &(0x7f0000000080)={'bridge0\x00', 0x0}) r4 = socket(0x10, 0x803, 0x0) sendmsg$nl_route(r4, &(0x7f0000000240)={0x0, 0x0, &(0x7f00000001c0)={&(0x7f0000000040)=@RTM_NEWMDB={0x38, 0x54, 0x1, 0x0, 0x0, {0x7, r3}, [@MDBA_SET_ENTRY={0x20, 0x1, {r1, 0x0, 0x0, 0x0, {@in6_addr=@mcast1}}}]}, 0x38}, 0x1, 0x0, 0xf0ffffffffffff}, 0x0) 10:33:10 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$nbd(&(0x7f0000000380), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000000c0)=ANY=[@ANYBLOB="90000000", @ANYRES16=r2, @ANYBLOB="01000000000000000000010000000c00050000000000680000000c0002000000000000000000040007800c0008000000000000000000080001"], 0x90}}, 0x0) 10:33:10 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000380), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000000c0)=ANY=[@ANYBLOB="90000000", @ANYRES16=r2, @ANYBLOB="01000000000000000000010000000c00050000000000200000000c0002000000000000000000040007800c0008000000000000000000080001"], 0x90}}, 0x0) 10:33:10 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$nbd(&(0x7f0000000380), r0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000000)) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) r4 = socket$netlink(0x10, 0x3, 0x0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000000c0)=ANY=[@ANYBLOB="90000000", @ANYRES16=r2, @ANYBLOB="01000000000000000000010000000c00050000000000000003000c0002000000000000000000040007800c000800000000000000000008000100000000004400078008000100", @ANYRES32, @ANYBLOB="38000100", @ANYRES32=r3, @ANYBLOB="08000100", @ANYBLOB="0800d354", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32=r4], 0x90}}, 0x0) [ 2935.370186][T15541] block nbd0: Unsupported socket: shutdown callout must be supported. 10:33:10 executing program 1: unshare(0x40000000) mmap(&(0x7f0000000000/0xb36000)=nil, 0xb36000, 0x3, 0x8031, 0xffffffffffffffff, 0x0) unshare(0x0) r0 = socket$netlink(0x10, 0x3, 0x0) writev(r0, &(0x7f0000000080)=[{&(0x7f00000000c0)="390000001300090468fe0700000000000000ff3f04000000480100100000000004002b000a00010014a4ee1ee438d2fd000000000000007200", 0x39}], 0x1) r1 = socket$nl_route(0x10, 0x3, 0x0) sendmsg$netlink(r1, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000100)=[{&(0x7f00000001c0)=ANY=[@ANYBLOB="2800000013000100000000000000000008000000", @ANYRES32=r1, @ANYBLOB='\f\x00\x00\x00', @ANYRES32=0x0, @ANYBLOB="08000d002e14f9"], 0x28}], 0x1}, 0x0) writev(r0, &(0x7f0000000000)=[{&(0x7f0000000040)="3900009a13001104680907000000000f0000ff3f04000000290a001700000000040037000a00030014917c82aa75b9a64411f6a4ee1ee438d2", 0x39}], 0x1) [ 2935.432137][T15544] block nbd0: Unsupported socket: shutdown callout must be supported. [ 2935.609175][T15548] lo speed is unknown, defaulting to 1000 [ 2935.891432][T15508] device gretap0 entered promiscuous mode [ 2935.900892][T15508] device gretap0 left promiscuous mode [ 2935.914370][T15508] ‘|‚ªu: renamed from gretap0 [ 2935.930535][T15508] ‘|‚ªu: default qdisc (pfifo_fast) fail, fallback to noqueue [ 2935.952250][T15508] A link change request failed with some changes committed already. Interface ‘|‚ªu may have been left with an inconsistent configuration, please check. [ 2936.029763][T15508] lo speed is unknown, defaulting to 1000 [ 2936.183118][T15586] device ‘|‚ªu left promiscuous mode [ 2936.191634][T15586] ‘|‚ªu: refused to change device tx_queue_len [ 2936.347187][T15548] device gretap0 entered promiscuous mode [ 2936.362103][T15548] device gretap0 left promiscuous mode 10:33:13 executing program 5: unshare(0x40000000) mmap(&(0x7f0000000000/0xb36000)=nil, 0xb36000, 0x3, 0x8031, 0xffffffffffffffff, 0x0) unshare(0x0) r0 = socket$netlink(0x10, 0x3, 0x0) writev(r0, &(0x7f0000000080)=[{&(0x7f00000000c0)="390000001300090468fe0700000000000000ff3f04000000480100100000000004002b000a00010014a4ee1ee438d2fd000000000000007200", 0x39}], 0x1) r1 = socket$nl_route(0x10, 0x3, 0x0) sendmsg$netlink(r1, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000100)=[{&(0x7f00000001c0)=ANY=[@ANYBLOB="2800000013000100000000000000000008000000", @ANYRES32=r1, @ANYBLOB='\f\x00\x00\x00', @ANYRES32=0x0, @ANYBLOB="08000d002e14f9"], 0x28}], 0x1}, 0x0) writev(r0, &(0x7f0000000000)=[{&(0x7f0000000040)="3900000013001104680907010600000f0000ff3f04000000290a001700000000040037000a00030014917c82aa75b9a64411f6a4ee1ee438d2", 0x39}], 0x1) 10:33:13 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000380), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000000c0)=ANY=[@ANYBLOB="90000000", @ANYRES16=r2, @ANYBLOB="01000000000000000000010000000c000500000000003f0000000c0002000000000000000000040007800c0008000000000000000000080001"], 0x90}}, 0x0) 10:33:13 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000380), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000000c0)=ANY=[@ANYBLOB="90000000", @ANYRES16=r2, @ANYBLOB="01000000000000000000010000000c0005000000f0ffff0000000c0002000000000000000000040007800c0008000000000000000000080001"], 0x90}}, 0x0) 10:33:13 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000380), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000000c0)=ANY=[@ANYBLOB="90000000", @ANYRES16=r2, @ANYBLOB="01000000000000000000010000000c000500000000006c0000000c0002000000000000000000040007800c0008000000000000000000080001"], 0x90}}, 0x0) 10:33:13 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000380), r0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000000)) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) r4 = socket$netlink(0x10, 0x3, 0x0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000000c0)=ANY=[@ANYBLOB="90000000", @ANYRES16=r2, @ANYBLOB="01000000000000000000010000000c00050000000000000004000c0002000000000000000000040007800c000800000000000000000008000100000000004400078008000100", @ANYRES32, @ANYBLOB="38000100", @ANYRES32=r3, @ANYBLOB="08000100", @ANYBLOB="0800d354", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32=r4], 0x90}}, 0x0) 10:33:13 executing program 1: unshare(0x40000000) mmap(&(0x7f0000000000/0xb36000)=nil, 0xb36000, 0x3, 0x8031, 0xffffffffffffffff, 0x0) unshare(0x0) r0 = socket$netlink(0x10, 0x3, 0x0) writev(r0, &(0x7f0000000080)=[{&(0x7f00000000c0)="390000001300090468fe0700000000000000ff3f04000000480100100000000004002b000a00010014a4ee1ee438d2fd000000000000007200", 0x39}], 0x1) r1 = socket$nl_route(0x10, 0x3, 0x0) sendmsg$netlink(r1, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000100)=[{&(0x7f00000001c0)=ANY=[@ANYBLOB="2800000013000100000000000000000008000000", @ANYRES32=r1, @ANYBLOB='\f\x00\x00\x00', @ANYRES32=0x0, @ANYBLOB="08000d002e14f9"], 0x28}], 0x1}, 0x0) writev(r0, &(0x7f0000000000)=[{&(0x7f0000000040)="3900008a13001104680907000000000f0000ff3f04000000290a001700000000040037000a00030014917c82aa75b9a64411f6a4ee1ee438d2", 0x39}], 0x1) [ 2938.421889][T15618] __nla_validate_parse: 39 callbacks suppressed [ 2938.421911][T15618] netlink: 76 bytes leftover after parsing attributes in process `syz-executor.3'. [ 2938.476232][T15620] netlink: 76 bytes leftover after parsing attributes in process `syz-executor.2'. [ 2938.511503][T15621] netlink: 76 bytes leftover after parsing attributes in process `syz-executor.0'. 10:33:13 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000380), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000000c0)=ANY=[@ANYBLOB="90000000", @ANYRES16=r2, @ANYBLOB="01000000000000000000010000000c00050000000000480000000c0002000000000000000000040007800c0008000000000000000000080001"], 0x90}}, 0x0) [ 2938.549174][T15622] lo speed is unknown, defaulting to 1000 [ 2938.635341][T15631] netlink: 8 bytes leftover after parsing attributes in process `syz-executor.4'. [ 2938.674713][T15629] lo speed is unknown, defaulting to 1000 10:33:13 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000380), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000000c0)=ANY=[@ANYBLOB="90000000", @ANYRES16=r2, @ANYBLOB="01000000000000000000010000000c00050000000000740000000c0002000000000000000000040007800c0008000000000000000000080001"], 0x90}}, 0x0) [ 2938.680480][T15631] netlink: 4 bytes leftover after parsing attributes in process `syz-executor.4'. [ 2938.680509][T15631] netlink: 4 bytes leftover after parsing attributes in process `syz-executor.4'. [ 2938.680536][T15631] block nbd0: Unsupported socket: shutdown callout must be supported. 10:33:14 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000380), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000000c0)=ANY=[@ANYBLOB="90000000", @ANYRES16=r2, @ANYBLOB="01000000000000000000010000000c000500000000004c0000000c0002000000000000000000040007800c0008000000000000000000080001"], 0x90}}, 0x0) 10:33:14 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000380), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000000c0)=ANY=[@ANYBLOB="90000000", @ANYRES16=r2, @ANYBLOB="01000000000000000000010000000c000500007fffffff0000000c0002000000000000000000040007800c0008000000000000000000080001"], 0x90}}, 0x0) 10:33:14 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000380), r0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000000)) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) r4 = socket$netlink(0x10, 0x3, 0x0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000000c0)=ANY=[@ANYBLOB="90000000", @ANYRES16=r2, @ANYBLOB="01000000000000000000010000000c00050000000000000005000c0002000000000000000000040007800c000800000000000000000008000100000000004400078008000100", @ANYRES32, @ANYBLOB="38000100", @ANYRES32=r3, @ANYBLOB="08000100", @ANYBLOB="0800d354", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32=r4], 0x90}}, 0x0) [ 2938.983271][T15675] netlink: 76 bytes leftover after parsing attributes in process `syz-executor.2'. 10:33:14 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$nbd(&(0x7f0000000380), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000000c0)=ANY=[@ANYBLOB="90000000", @ANYRES16=r2, @ANYBLOB="01000000000000000000010000000c000500000000007a0000000c0002000000000000000000040007800c0008000000000000000000080001"], 0x90}}, 0x0) [ 2939.155825][T15684] netlink: 76 bytes leftover after parsing attributes in process `syz-executor.3'. [ 2939.243241][T15685] netlink: 8 bytes leftover after parsing attributes in process `syz-executor.4'. [ 2939.291662][T15685] netlink: 4 bytes leftover after parsing attributes in process `syz-executor.4'. [ 2939.350703][T15685] block nbd0: Unsupported socket: shutdown callout must be supported. [ 2939.422995][T15692] block nbd0: Unsupported socket: shutdown callout must be supported. [ 2939.688069][T15629] device gretap0 entered promiscuous mode [ 2939.695386][T15629] device gretap0 left promiscuous mode [ 2939.702894][T15622] device gretap0 entered promiscuous mode [ 2939.713585][T15629] ‘|‚ªu: renamed from gretap0 [ 2939.724296][T15629] ‘|‚ªu: default qdisc (pfifo_fast) fail, fallback to noqueue [ 2939.733702][T15629] A link change request failed with some changes committed already. Interface ‘|‚ªu may have been left with an inconsistent configuration, please check. [ 2939.752604][T15622] device gretap0 left promiscuous mode [ 2939.855287][T15629] lo speed is unknown, defaulting to 1000 [ 2939.968390][T15695] device ‘|‚ªu entered promiscuous mode 10:33:15 executing program 5: unshare(0x40000000) mmap(&(0x7f0000000000/0xb36000)=nil, 0xb36000, 0x3, 0x8031, 0xffffffffffffffff, 0x0) unshare(0x0) r0 = socket$netlink(0x10, 0x3, 0x0) writev(r0, &(0x7f0000000080)=[{&(0x7f00000000c0)="390000001300090468fe0700000000000000ff3f04000000480100100000000004002b000a00010014a4ee1ee438d2fd000000000000007200", 0x39}], 0x1) r1 = socket$nl_route(0x10, 0x3, 0x0) sendmsg$netlink(r1, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000100)=[{&(0x7f00000001c0)=ANY=[@ANYBLOB="2800000013000100000000000000000008000000", @ANYRES32=r1, @ANYBLOB='\f\x00\x00\x00', @ANYRES32=0x0, @ANYBLOB="08000d002e14f9"], 0x28}], 0x1}, 0x0) writev(r0, &(0x7f0000000000)=[{&(0x7f0000000040)="3900000013001104680907030600000f0000ff3f04000000290a001700000000040037000a00030014917c82aa75b9a64411f6a4ee1ee438d2", 0x39}], 0x1) 10:33:15 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000380), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000000c0)=ANY=[@ANYBLOB="90000000", @ANYRES16=r2, @ANYBLOB="01000000000000000000010000000c00050000000000600000000c0002000000000000000000040007800c0008000000000000000000080001"], 0x90}}, 0x0) 10:33:15 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000380), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000000c0)=ANY=[@ANYBLOB="90000000", @ANYRES16=r2, @ANYBLOB="01000000000000000000010000000c00050000000000f00000000c0002000000000000000000040007800c0008000000000000000000080001"], 0x90}}, 0x0) 10:33:15 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000380), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000000c0)=ANY=[@ANYBLOB="90000000", @ANYRES16=r2, @ANYBLOB="01000000000000000000010000000c000500009effffff0000000c0002000000000000000000040007800c0008000000000000000000080001"], 0x90}}, 0x0) 10:33:15 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000380), r0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000000)) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) r4 = socket$netlink(0x10, 0x3, 0x0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000000c0)=ANY=[@ANYBLOB="90000000", @ANYRES16=r2, @ANYBLOB="01000000000000000000010000000c00050000000000000006000c0002000000000000000000040007800c000800000000000000000008000100000000004400078008000100", @ANYRES32, @ANYBLOB="38000100", @ANYRES32=r3, @ANYBLOB="08000100", @ANYBLOB="0800d354", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32=r4], 0x90}}, 0x0) 10:33:15 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$nbd(&(0x7f0000000380), r0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000000)) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) r4 = socket$netlink(0x10, 0x3, 0x0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000000c0)=ANY=[@ANYBLOB="90000000", @ANYRES16=r2, @ANYBLOB="01000000000000000000010000000c00050000000000000005000c0002000000000000000000040007800c000800000000000000000008000100000000004400078008000100", @ANYRES32, @ANYBLOB="38000100", @ANYRES32=r3, @ANYBLOB="08000100", @ANYBLOB="0800d354", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32=r4], 0x90}}, 0x0) [ 2940.604291][T15732] block nbd0: Unsupported socket: shutdown callout must be supported. [ 2940.637122][T15730] block nbd0: Unsupported socket: shutdown callout must be supported. 10:33:15 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000380), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000000c0)=ANY=[@ANYBLOB="90000000", @ANYRES16=r2, @ANYBLOB="01000000000000004c00010000000c00050000000000000000000c0002000000000000000000040007800c0008000000000000000000080001"], 0x90}}, 0x0) 10:33:15 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000380), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000000c0)=ANY=[@ANYBLOB="90000000", @ANYRES16=r2, @ANYBLOB="01000000000000000000010000000c00050000000000680000000c0002000000000000000000040007800c0008000000000000000000080001"], 0x90}}, 0x0) [ 2940.738896][T15736] lo speed is unknown, defaulting to 1000 [ 2940.740708][T15738] block nbd0: Unsupported socket: shutdown callout must be supported. 10:33:15 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000380), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000000c0)=ANY=[@ANYBLOB="90000000", @ANYRES16=r2, @ANYBLOB="01000000000000000000010000000c00050000000000000300000c0002000000000000000000040007800c0008000000000000000000080001"], 0x90}}, 0x0) 10:33:15 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000380), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000000c0)=ANY=[@ANYBLOB="90000000", @ANYRES16=r2, @ANYBLOB="01000000000000000000010000000c00050000f0ffffff0000000c0002000000000000000000040007800c0008000000000000000000080001"], 0x90}}, 0x0) 10:33:16 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000380), r0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000000)) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) r4 = socket$netlink(0x10, 0x3, 0x0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000000c0)=ANY=[@ANYBLOB="90000000", @ANYRES16=r2, @ANYBLOB="01000000000000000000010000000c00050000000000000007000c0002000000000000000000040007800c000800000000000000000008000100000000004400078008000100", @ANYRES32, @ANYBLOB="38000100", @ANYRES32=r3, @ANYBLOB="08000100", @ANYBLOB="0800d354", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32=r4], 0x90}}, 0x0) 10:33:16 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$nbd(&(0x7f0000000380), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000000c0)=ANY=[@ANYBLOB="90000000", @ANYRES16=r2, @ANYBLOB="01000000000000004800010000000c00050000000000000000000c0002000000000000000000040007800c0008000000000000000000080001"], 0x90}}, 0x0) [ 2941.146884][T15773] block nbd0: Unsupported socket: shutdown callout must be supported. [ 2941.213634][T15776] block nbd0: Unsupported socket: shutdown callout must be supported. [ 2941.502320][T15736] device gretap0 entered promiscuous mode [ 2941.510403][T15736] device gretap0 left promiscuous mode [ 2941.524219][T15736] ‘|‚ªu: renamed from gretap0 [ 2941.531335][T15736] ‘|‚ªu: default qdisc (pfifo_fast) fail, fallback to noqueue [ 2941.551823][T15736] A link change request failed with some changes committed already. Interface ‘|‚ªu may have been left with an inconsistent configuration, please check. [ 2941.628599][T15736] lo speed is unknown, defaulting to 1000 [ 2941.729127][T15794] device ‘|‚ªu left promiscuous mode [ 2941.746631][T15794] ‘|‚ªu: refused to change device tx_queue_len 10:33:18 executing program 5: unshare(0x40000000) mmap(&(0x7f0000000000/0xb36000)=nil, 0xb36000, 0x3, 0x8031, 0xffffffffffffffff, 0x0) unshare(0x0) r0 = socket$netlink(0x10, 0x3, 0x0) writev(r0, &(0x7f0000000080)=[{&(0x7f00000000c0)="390000001300090468fe0700000000000000ff3f04000000480100100000000004002b000a00010014a4ee1ee438d2fd000000000000007200", 0x39}], 0x1) r1 = socket$nl_route(0x10, 0x3, 0x0) sendmsg$netlink(r1, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000100)=[{&(0x7f00000001c0)=ANY=[@ANYBLOB="2800000013000100000000000000000008000000", @ANYRES32=r1, @ANYBLOB='\f\x00\x00\x00', @ANYRES32=0x0, @ANYBLOB="08000d002e14f9"], 0x28}], 0x1}, 0x0) writev(r0, &(0x7f0000000000)=[{&(0x7f0000000040)="3900000013001104680907000700000f0000ff3f04000000290a001700000000040037000a00030014917c82aa75b9a64411f6a4ee1ee438d2", 0x39}], 0x1) 10:33:18 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000380), r0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000000)) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) r4 = socket$netlink(0x10, 0x3, 0x0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000000c0)=ANY=[@ANYBLOB="90000000", @ANYRES16=r2, @ANYBLOB="01000000000000000000010000000c00050000000000000009000c0002000000000000000000040007800c000800000000000000000008000100000000004400078008000100", @ANYRES32, @ANYBLOB="38000100", @ANYRES32=r3, @ANYBLOB="08000100", @ANYBLOB="0800d354", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32=r4], 0x90}}, 0x0) 10:33:18 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$nbd(&(0x7f0000000380), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000000c0)=ANY=[@ANYBLOB="90000000", @ANYRES16=r2, @ANYBLOB="01000000000000000000010000000c00050000000000400300000c0002000000000000000000040007800c0008000000000000000000080001"], 0x90}}, 0x0) 10:33:18 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000380), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000000c0)=ANY=[@ANYBLOB="90000000", @ANYRES16=r2, @ANYBLOB="01000000000000000000010000000c000500000000006c0000000c0002000000000000000000040007800c0008000000000000000000080001"], 0x90}}, 0x0) 10:33:18 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$nbd(&(0x7f0000000380), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000000c0)=ANY=[@ANYBLOB="90000000", @ANYRES16=r2, @ANYBLOB="01000000000000000000010000000c0005000000000000000000300002000000000000000000040007800c0008000000000000000000080001"], 0x90}}, 0x0) 10:33:18 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$nbd(&(0x7f0000000380), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000000c0)=ANY=[@ANYBLOB="90000000", @ANYRES16=r2, @ANYBLOB="0100000000004c000000010000000c00050000000000000000000c0002000000000000000000040007800c0008000000000000000000080001"], 0x90}}, 0x0) [ 2943.801049][T15819] __nla_validate_parse: 37 callbacks suppressed [ 2943.801067][T15819] netlink: 76 bytes leftover after parsing attributes in process `syz-executor.2'. [ 2943.866021][T15817] lo speed is unknown, defaulting to 1000 [ 2943.954971][T15826] netlink: 8 bytes leftover after parsing attributes in process `syz-executor.4'. [ 2944.016364][T15826] netlink: 4 bytes leftover after parsing attributes in process `syz-executor.4'. 10:33:19 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$nbd(&(0x7f0000000380), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000000c0)=ANY=[@ANYBLOB="90000000", @ANYRES16=r2, @ANYBLOB="01000000000003000000010000000c00050000000000000000000c0002000000000000000000040007800c0008000000000000000000080001"], 0x90}}, 0x0) 10:33:19 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000380), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000000c0)=ANY=[@ANYBLOB="90000000", @ANYRES16=r2, @ANYBLOB="01000000000000000000010000000c00050000000000740000000c0002000000000000000000040007800c0008000000000000000000080001"], 0x90}}, 0x0) 10:33:19 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$nbd(&(0x7f0000000380), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000000c0)=ANY=[@ANYBLOB="90000000", @ANYRES16=r2, @ANYBLOB="01000000000000000000010000000c0005000000000000000000600002000000000000000000040007800c0008000000000000000000080001"], 0x90}}, 0x0) [ 2944.088615][T15826] netlink: 52 bytes leftover after parsing attributes in process `syz-executor.4'. 10:33:19 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_genetlink_get_family_id$nbd(&(0x7f0000000380), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000000c0)=ANY=[@ANYBLOB="90000000", @ANYRES16=r2, @ANYBLOB="01000000000000000000010000000c00050000000000034000000c0002000000000000000000040007800c0008000000000000000000080001"], 0x90}}, 0x0) 10:33:19 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$nbd(&(0x7f0000000380), r0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000000)) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) r4 = socket$netlink(0x10, 0x3, 0x0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000000c0)=ANY=[@ANYBLOB="90000000", @ANYRES16=r2, @ANYBLOB="01000000000000000000010000000c0005000000000000000a000c0002000000000000000000040007800c000800000000000000000008000100000000004400078008000100", @ANYRES32, @ANYBLOB="38000100", @ANYRES32=r3, @ANYBLOB="08000100", @ANYBLOB="0800d354", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32=r4], 0x90}}, 0x0) [ 2944.285098][T15854] netlink: 76 bytes leftover after parsing attributes in process `syz-executor.1'. [ 2944.340708][T15856] netlink: 'syz-executor.0': attribute type 2 has an invalid length. [ 2944.381196][T15856] netlink: 16 bytes leftover after parsing attributes in process `syz-executor.0'. 10:33:19 executing program 1: unshare(0x40000000) mmap(&(0x7f0000000000/0xb36000)=nil, 0xb36000, 0x3, 0x8031, 0xffffffffffffffff, 0x0) unshare(0x0) r0 = socket$netlink(0x10, 0x3, 0x0) writev(r0, &(0x7f0000000080)=[{&(0x7f00000000c0)="390000001300090468fe0700000000000000ff3f04000000480100100000000004002b000a00010014a4ee1ee438d2fd000000000000007200", 0x39}], 0x1) r1 = socket$nl_route(0x10, 0x3, 0x0) sendmsg$netlink(r1, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000100)=[{&(0x7f00000001c0)=ANY=[@ANYBLOB="2800000013000100000000000000000008000000", @ANYRES32=r1, @ANYBLOB='\f\x00\x00\x00', @ANYRES32=0x0, @ANYBLOB="08000d002e14f9"], 0x28}], 0x1}, 0x0) writev(r0, &(0x7f0000000000)=[{&(0x7f0000000040)="3900000613001104680907000000000f0000ff3f04000000290a001700000000040037000a00030014917c82aa75b9a64411f6a4ee1ee438d2", 0x39}], 0x1) [ 2944.427387][T15856] nbd: must specify at least one socket [ 2944.471428][T15860] netlink: 8 bytes leftover after parsing attributes in process `syz-executor.4'. [ 2944.519266][T15860] netlink: 4 bytes leftover after parsing attributes in process `syz-executor.4'. [ 2944.577787][T15860] netlink: 4 bytes leftover after parsing attributes in process `syz-executor.4'. [ 2944.620735][T15860] block nbd0: Unsupported socket: shutdown callout must be supported. [ 2944.672193][T15867] lo speed is unknown, defaulting to 1000 [ 2944.716502][T15871] netlink: 8 bytes leftover after parsing attributes in process `syz-executor.4'. [ 2944.968179][T15817] device gretap0 entered promiscuous mode [ 2944.992361][T15817] device gretap0 left promiscuous mode [ 2945.021204][T15817] ‘|‚ªu: renamed from gretap0 [ 2945.042561][T15817] ‘|‚ªu: default qdisc (pfifo_fast) fail, fallback to noqueue [ 2945.062478][T15817] A link change request failed with some changes committed already. Interface ‘|‚ªu may have been left with an inconsistent configuration, please check. [ 2945.132018][T15817] lo speed is unknown, defaulting to 1000 [ 2945.258686][T15886] device ‘|‚ªu entered promiscuous mode [ 2945.455735][T15867] device gretap0 entered promiscuous mode [ 2945.461977][T15868] ‘|‚ªu: refused to change device tx_queue_len [ 2945.735475][T15918] device ‘|‚ªu left promiscuous mode [ 2945.741232][T15918] ‘|‚ªu: refused to change device tx_queue_len 10:33:21 executing program 5: unshare(0x40000000) mmap(&(0x7f0000000000/0xb36000)=nil, 0xb36000, 0x3, 0x8031, 0xffffffffffffffff, 0x0) unshare(0x0) r0 = socket$netlink(0x10, 0x3, 0x0) writev(r0, &(0x7f0000000080)=[{&(0x7f00000000c0)="390000001300090468fe0700000000000000ff3f04000000480100100000000004002b000a00010014a4ee1ee438d2fd000000000000007200", 0x39}], 0x1) r1 = socket$nl_route(0x10, 0x3, 0x0) sendmsg$netlink(r1, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000100)=[{&(0x7f00000001c0)=ANY=[@ANYBLOB="2800000013000100000000000000000008000000", @ANYRES32=r1, @ANYBLOB='\f\x00\x00\x00', @ANYRES32=0x0, @ANYBLOB="08000d002e14f9"], 0x28}], 0x1}, 0x0) writev(r0, &(0x7f0000000000)=[{&(0x7f0000000040)="3900000013001104680907000900000f0000ff3f04000000290a001700000000040037000a00030014917c82aa75b9a64411f6a4ee1ee438d2", 0x39}], 0x1) 10:33:21 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000380), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000000c0)=ANY=[@ANYBLOB="90000000", @ANYRES16=r2, @ANYBLOB="01000000000000000000010000000c0005000000000000000000680002000000000000000000040007800c0008000000000000000000080001"], 0x90}}, 0x0) 10:33:21 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000380), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000000c0)=ANY=[@ANYBLOB="90000000", @ANYRES16=r2, @ANYBLOB="01000000000000000000010000000c000500000000007a0000000c0002000000000000000000040007800c0008000000000000000000080001"], 0x90}}, 0x0) 10:33:21 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000380), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000000c0)=ANY=[@ANYBLOB="90000000", @ANYRES16=r2, @ANYBLOB="01000000000000000000010000000c000500000000fffff000000c0002000000000000000000040007800c0008000000000000000000080001"], 0x90}}, 0x0) 10:33:21 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000380), r0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000000)) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) r4 = socket$netlink(0x10, 0x3, 0x0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000000c0)=ANY=[@ANYBLOB="90000000", @ANYRES16=r2, @ANYBLOB="01000000000000000000010000000c00050000000000000048000c0002000000000000000000040007800c000800000000000000000008000100000000004400078008000100", @ANYRES32, @ANYBLOB="38000100", @ANYRES32=r3, @ANYBLOB="08000100", @ANYBLOB="0800d354", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32=r4], 0x90}}, 0x0) 10:33:21 executing program 1: socketpair$unix(0x1, 0x5, 0x0, &(0x7f0000000000)={0xffffffffffffffff}) ioctl$sock_SIOCGIFINDEX(r0, 0x8933, &(0x7f00000000c0)={'bridge_slave_0\x00', 0x0}) r2 = socket$inet6_udplite(0xa, 0x2, 0x88) ioctl$sock_SIOCGIFINDEX(r2, 0x8933, &(0x7f0000000080)={'bridge0\x00', 0x0}) r4 = socket(0x10, 0x803, 0x0) sendmsg$nl_route(r4, &(0x7f0000000240)={0x0, 0x0, &(0x7f00000001c0)={&(0x7f0000000040)=@RTM_NEWMDB={0x38, 0x54, 0x1, 0x0, 0x0, {0x7, r3}, [@MDBA_SET_ENTRY={0x20, 0x1, {r1, 0x0, 0x0, 0x0, {@in6_addr=@mcast1}}}]}, 0x38}, 0x1, 0x1000000000000000}, 0x0) [ 2946.142634][T15930] block nbd0: Unsupported socket: shutdown callout must be supported. [ 2946.179756][T15931] netlink: 'syz-executor.0': attribute type 2 has an invalid length. 10:33:21 executing program 1: unshare(0x40000000) mmap(&(0x7f0000000000/0xb36000)=nil, 0xb36000, 0x3, 0x8031, 0xffffffffffffffff, 0x0) unshare(0x0) r0 = socket$netlink(0x10, 0x3, 0x0) writev(r0, &(0x7f0000000080)=[{&(0x7f00000000c0)="390000001300090468fe0700000000000000ff3f04000000480100100000000004002b000a00010014a4ee1ee438d2fd000000000000007200", 0x39}], 0x1) r1 = socket$nl_route(0x10, 0x3, 0x0) sendmsg$netlink(r1, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000100)=[{&(0x7f00000001c0)=ANY=[@ANYBLOB="2800000013000100000000000000000008000000", @ANYRES32=r1, @ANYBLOB='\f\x00\x00\x00', @ANYRES32=0x0, @ANYBLOB="08000d002e14f9"], 0x28}], 0x1}, 0x0) writev(r0, &(0x7f0000000000)=[{&(0x7f0000000040)="390003e613001104680907000000000f0000ff3f04000000290a001700000000040037000a00030014917c82aa75b9a64411f6a4ee1ee438d2", 0x39}], 0x1) [ 2946.200936][T15931] nbd: must specify at least one socket [ 2946.241006][T15934] lo speed is unknown, defaulting to 1000 [ 2946.248813][T15935] block nbd0: Unsupported socket: shutdown callout must be supported. 10:33:21 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000380), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000000c0)=ANY=[@ANYBLOB="90000000", @ANYRES16=r2, @ANYBLOB="01000000000000000000010000000c00050000000000f00000000c0002000000000000000000040007800c0008000000000000000000080001"], 0x90}}, 0x0) 10:33:21 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$nbd(&(0x7f0000000380), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000000c0)=ANY=[@ANYBLOB="90000000", @ANYRES16=r2, @ANYBLOB="01000000000000000000010000000c00050000000000000001000c0002000000000000000000040007800c0008000000000000000000080001"], 0x90}}, 0x0) 10:33:21 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$nbd(&(0x7f0000000380), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000000c0)=ANY=[@ANYBLOB="90000000", @ANYRES16=r2, @ANYBLOB="01000000000000000000010000000c0005000000000000000000700002000000000000000000040007800c0008000000000000000000080001"], 0x90}}, 0x0) 10:33:21 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$nbd(&(0x7f0000000380), r0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000000)) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) r4 = socket$netlink(0x10, 0x3, 0x0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000000c0)=ANY=[@ANYBLOB="90000000", @ANYRES16=r2, @ANYBLOB="01000000000000000000010000000c0005000000000000004c000c0002000000000000000000040007800c000800000000000000000008000100000000004400078008000100", @ANYRES32, @ANYBLOB="38000100", @ANYRES32=r3, @ANYBLOB="08000100", @ANYBLOB="0800d354", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32=r4], 0x90}}, 0x0) [ 2946.516831][T15955] lo speed is unknown, defaulting to 1000 [ 2946.623513][T15974] netlink: 'syz-executor.0': attribute type 2 has an invalid length. 10:33:21 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000380), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000000c0)=ANY=[@ANYBLOB="90000000", @ANYRES16=r2, @ANYBLOB="01000000000000000000010000000c00050000000000000300000c0002000000000000000000040007800c0008000000000000000000080001"], 0x90}}, 0x0) [ 2946.674230][T15974] nbd: must specify at least one socket [ 2946.707709][T15980] block nbd0: Unsupported socket: shutdown callout must be supported. [ 2946.778427][T15988] block nbd0: Unsupported socket: shutdown callout must be supported. [ 2947.161852][T15934] device gretap0 entered promiscuous mode [ 2947.174266][T15934] device gretap0 left promiscuous mode [ 2947.204175][T15934] ‘|‚ªu: renamed from gretap0 [ 2947.226683][T15934] ‘|‚ªu: default qdisc (pfifo_fast) fail, fallback to noqueue [ 2947.258251][T15934] A link change request failed with some changes committed already. Interface ‘|‚ªu may have been left with an inconsistent configuration, please check. [ 2947.338890][T15934] lo speed is unknown, defaulting to 1000 [ 2947.434910][T15955] device gretap0 entered promiscuous mode [ 2947.441587][T16001] device ‘|‚ªu entered promiscuous mode [ 2947.458793][T15955] device gretap0 left promiscuous mode [ 2947.884291][T16028] device ‘|‚ªu left promiscuous mode [ 2947.897709][T16028] ‘|‚ªu: refused to change device tx_queue_len 10:33:23 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000380), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000000c0)=ANY=[@ANYBLOB="90000000", @ANYRES16=r2, @ANYBLOB="01000000000000000000010000000c00050000000000000000007c0002000000000000000000040007800c0008000000000000000000080001"], 0x90}}, 0x0) 10:33:23 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000380), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000000c0)=ANY=[@ANYBLOB="90000000", @ANYRES16=r2, @ANYBLOB="01000000000000000000010000000c00050000000000000002000c0002000000000000000000040007800c0008000000000000000000080001"], 0x90}}, 0x0) 10:33:23 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000380), r0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000000)) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) r4 = socket$netlink(0x10, 0x3, 0x0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000000c0)=ANY=[@ANYBLOB="90000000", @ANYRES16=r2, @ANYBLOB="01000000000000000000010000000c00050000000000000060000c0002000000000000000000040007800c000800000000000000000008000100000000004400078008000100", @ANYRES32, @ANYBLOB="38000100", @ANYRES32=r3, @ANYBLOB="08000100", @ANYBLOB="0800d354", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32=r4], 0x90}}, 0x0) 10:33:23 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000380), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000000c0)=ANY=[@ANYBLOB="90000000", @ANYRES16=r2, @ANYBLOB="01000000000000000000010000000c00050000000000400300000c0002000000000000000000040007800c0008000000000000000000080001"], 0x90}}, 0x0) 10:33:23 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$nbd(&(0x7f0000000380), r0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000000)) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) r4 = socket$netlink(0x10, 0x3, 0x0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000000c0)=ANY=[@ANYBLOB="90000000", @ANYRES16=r2, @ANYBLOB="01000000000000004c00010000000c00050000000000000000000c0002000000000000000000040007800c000800000000000000000008000100000000004400078008000100", @ANYRES32, @ANYBLOB="38000100", @ANYRES32=r3, @ANYBLOB="08000100", @ANYBLOB="0800d354", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32=r4], 0x90}}, 0x0) 10:33:23 executing program 5: unshare(0x40000000) mmap(&(0x7f0000000000/0xb36000)=nil, 0xb36000, 0x3, 0x8031, 0xffffffffffffffff, 0x0) unshare(0x0) r0 = socket$netlink(0x10, 0x3, 0x0) writev(r0, &(0x7f0000000080)=[{&(0x7f00000000c0)="390000001300090468fe0700000000000000ff3f04000000480100100000000004002b000a00010014a4ee1ee438d2fd000000000000007200", 0x39}], 0x1) r1 = socket$nl_route(0x10, 0x3, 0x0) sendmsg$netlink(r1, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000100)=[{&(0x7f00000001c0)=ANY=[@ANYBLOB="2800000013000100000000000000000008000000", @ANYRES32=r1, @ANYBLOB='\f\x00\x00\x00', @ANYRES32=0x0, @ANYBLOB="08000d002e14f9"], 0x28}], 0x1}, 0x0) writev(r0, &(0x7f0000000000)=[{&(0x7f0000000040)="3900000013001104680907020900000f0000ff3f04000000290a001700000000040037000a00030014917c82aa75b9a64411f6a4ee1ee438d2", 0x39}], 0x1) [ 2948.232370][T16036] block nbd0: Unsupported socket: shutdown callout must be supported. [ 2948.302919][T16042] block nbd0: Unsupported socket: shutdown callout must be supported. [ 2948.350864][T16038] block nbd0: Unsupported socket: shutdown callout must be supported. 10:33:23 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$nbd(&(0x7f0000000380), r0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000000)) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) r4 = socket$netlink(0x10, 0x3, 0x0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000000c0)=ANY=[@ANYBLOB="90000000", @ANYRES16=r2, @ANYBLOB="01000000000000000000010000000c00050000000000000068000c0002000000000000000000040007800c000800000000000000000008000100000000004400078008000100", @ANYRES32, @ANYBLOB="38000100", @ANYRES32=r3, @ANYBLOB="08000100", @ANYBLOB="0800d354", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32=r4], 0x90}}, 0x0) 10:33:23 executing program 1: unshare(0x40000000) mmap(&(0x7f0000000000/0xb36000)=nil, 0xb36000, 0x3, 0x8031, 0xffffffffffffffff, 0x0) unshare(0x0) r0 = socket$netlink(0x10, 0x3, 0x0) writev(r0, &(0x7f0000000080)=[{&(0x7f00000000c0)="390000001300090468fe0700000000000000ff3f04000000480100100000000004002b000a00010014a4ee1ee438d2fd000000000000007200", 0x39}], 0x1) r1 = socket$nl_route(0x10, 0x3, 0x0) sendmsg$netlink(r1, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000100)=[{&(0x7f00000001c0)=ANY=[@ANYBLOB="2800000013000100000000000000000008000000", @ANYRES32=r1, @ANYBLOB='\f\x00\x00\x00', @ANYRES32=0x0, @ANYBLOB="08000d002e14f9"], 0x28}], 0x1}, 0x0) writev(r0, &(0x7f0000000000)=[{&(0x7f0000000040)="3900000013001104680907000900000f0000ff3f04000000290a001700000000040037000a00030014917c82aa75b9a64411f6a4ee1ee438d2", 0x39}], 0x1) 10:33:23 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000380), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000000c0)=ANY=[@ANYBLOB="90000000", @ANYRES16=r2, @ANYBLOB="01000000000000000000010000000c00050000000000034000000c0002000000000000000000040007800c0008000000000000000000080001"], 0x90}}, 0x0) [ 2948.465083][T16043] lo speed is unknown, defaulting to 1000 10:33:23 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$nbd(&(0x7f0000000380), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000000c0)=ANY=[@ANYBLOB="90000000", @ANYRES16=r2, @ANYBLOB="01000000000000000000010000000c00050000000000007fffffff0002000000000000000000040007800c0008000000000000000000080001"], 0x90}}, 0x0) 10:33:23 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$nbd(&(0x7f0000000380), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000000c0)=ANY=[@ANYBLOB="90000000", @ANYRES16=r2, @ANYBLOB="01000000000000000000010000000c00050000000000000003000c0002000000000000000000040007800c0008000000000000000000080001"], 0x90}}, 0x0) [ 2948.647456][T16064] block nbd0: Unsupported socket: shutdown callout must be supported. [ 2948.722062][T16072] nbd: must specify at least one socket [ 2948.823439][T16071] lo speed is unknown, defaulting to 1000 10:33:24 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$nbd(&(0x7f0000000380), r0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000000)) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) r4 = socket$netlink(0x10, 0x3, 0x0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000000c0)=ANY=[@ANYBLOB="90000000", @ANYRES16=r2, @ANYBLOB="01000000000000000000010000000c0005000000000000006c000c0002000000000000000000040007800c000800000000000000000008000100000000004400078008000100", @ANYRES32, @ANYBLOB="38000100", @ANYRES32=r3, @ANYBLOB="08000100", @ANYBLOB="0800d354", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32=r4], 0x90}}, 0x0) 10:33:24 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000380), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000000c0)=ANY=[@ANYBLOB="90000000", @ANYRES16=r2, @ANYBLOB="01000000000000000000010000000c00050000000000000004000c0002000000000000000000040007800c0008000000000000000000080001"], 0x90}}, 0x0) 10:33:24 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000380), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000000c0)=ANY=[@ANYBLOB="90000000", @ANYRES16=r2, @ANYBLOB="01000000000000000000010000000c00050000000200000000000c0002000000000000000000040007800c0008000000000000000000080001"], 0x90}}, 0x0) 10:33:24 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000380), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000000c0)=ANY=[@ANYBLOB="90000000", @ANYRES16=r2, @ANYBLOB="01000000000000000000010000000c000500000000fffff000000c0002000000000000000000040007800c0008000000000000000000080001"], 0x90}}, 0x0) [ 2949.104923][T16111] __nla_validate_parse: 47 callbacks suppressed [ 2949.104948][T16111] netlink: 8 bytes leftover after parsing attributes in process `syz-executor.4'. [ 2949.195914][T16111] netlink: 4 bytes leftover after parsing attributes in process `syz-executor.4'. [ 2949.247393][T16111] netlink: 4 bytes leftover after parsing attributes in process `syz-executor.4'. [ 2949.287934][T16111] block nbd0: Unsupported socket: shutdown callout must be supported. [ 2949.365054][T16120] netlink: 8 bytes leftover after parsing attributes in process `syz-executor.4'. 10:33:24 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000380), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000000c0)=ANY=[@ANYBLOB="90000000", @ANYRES16=r2, @ANYBLOB="01000000000000000000010000000c00050000000000000001000c0002000000000000000000040007800c0008000000000000000000080001"], 0x90}}, 0x0) 10:33:24 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000380), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000000c0)=ANY=[@ANYBLOB="90000000", @ANYRES16=r2, @ANYBLOB="01000000000000000000010000000c00050000000000000005000c0002000000000000000000040007800c0008000000000000000000080001"], 0x90}}, 0x0) [ 2949.413549][T16120] netlink: 4 bytes leftover after parsing attributes in process `syz-executor.4'. [ 2949.464221][T16120] netlink: 4 bytes leftover after parsing attributes in process `syz-executor.4'. [ 2949.482190][T16043] netlink: 9 bytes leftover after parsing attributes in process `syz-executor.5'. [ 2949.519068][T16043] device gretap0 entered promiscuous mode [ 2949.560839][T16048] ‘|‚ªu: refused to change device tx_queue_len [ 2949.577635][T16043] netlink: 9 bytes leftover after parsing attributes in process `syz-executor.5'. [ 2949.626299][T16126] netlink: 76 bytes leftover after parsing attributes in process `syz-executor.2'. [ 2949.628400][T16043] ‘|‚ªu: renamed from gretap0 [ 2949.670331][T16043] device ‘|‚ªu left promiscuous mode [ 2949.699035][T16043] A link change request failed with some changes committed already. Interface ‘|‚ªu may have been left with an inconsistent configuration, please check. [ 2949.789916][T16048] lo speed is unknown, defaulting to 1000 [ 2949.925979][T16043] netlink: 9 bytes leftover after parsing attributes in process `syz-executor.5'. [ 2949.957543][T16043] device ‘|‚ªu entered promiscuous mode [ 2949.992088][T16071] device gretap0 entered promiscuous mode [ 2950.007020][T16080] ‘|‚ªu: refused to change device tx_queue_len [ 2950.019768][T16071] ‘|‚ªu: renamed from gretap0 [ 2950.040676][T16071] device ‘|‚ªu left promiscuous mode [ 2950.071313][T16071] A link change request failed with some changes committed already. Interface ‘|‚ªu may have been left with an inconsistent configuration, please check. [ 2950.461970][T16158] ‘|‚ªu: refused to change device tx_queue_len 10:33:25 executing program 5: unshare(0x40000000) mmap(&(0x7f0000000000/0xb36000)=nil, 0xb36000, 0x3, 0x8031, 0xffffffffffffffff, 0x0) unshare(0x0) r0 = socket$netlink(0x10, 0x3, 0x0) writev(r0, &(0x7f0000000080)=[{&(0x7f00000000c0)="390000001300090468fe0700000000000000ff3f04000000480100100000000004002b000a00010014a4ee1ee438d2fd000000000000007200", 0x39}], 0x1) r1 = socket$nl_route(0x10, 0x3, 0x0) sendmsg$netlink(r1, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000100)=[{&(0x7f00000001c0)=ANY=[@ANYBLOB="2800000013000100000000000000000008000000", @ANYRES32=r1, @ANYBLOB='\f\x00\x00\x00', @ANYRES32=0x0, @ANYBLOB="08000d002e14f9"], 0x28}], 0x1}, 0x0) writev(r0, &(0x7f0000000000)=[{&(0x7f0000000040)="3900000013001104680907000a00000f0000ff3f04000000290a001700000000040037000a00030014917c82aa75b9a64411f6a4ee1ee438d2", 0x39}], 0x1) 10:33:25 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$nbd(&(0x7f0000000380), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000000c0)=ANY=[@ANYBLOB="90000000", @ANYRES16=r2, @ANYBLOB="01000000000000000000010000000c00050000000300000000000c0002000000000000000000040007800c0008000000000000000000080001"], 0x90}}, 0x0) 10:33:25 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000380), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000000c0)=ANY=[@ANYBLOB="90000000", @ANYRES16=r2, @ANYBLOB="01000000000000000000010000000c00050000000000000002000c0002000000000000000000040007800c0008000000000000000000080001"], 0x90}}, 0x0) 10:33:25 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$nbd(&(0x7f0000000380), r0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000000)) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) r4 = socket$netlink(0x10, 0x3, 0x0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000000c0)=ANY=[@ANYBLOB="90000000", @ANYRES16=r2, @ANYBLOB="01000000000000000000010000000c00050000000000000074000c0002000000000000000000040007800c000800000000000000000008000100000000004400078008000100", @ANYRES32, @ANYBLOB="38000100", @ANYRES32=r3, @ANYBLOB="08000100", @ANYBLOB="0800d354", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32=r4], 0x90}}, 0x0) 10:33:25 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000380), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000000c0)=ANY=[@ANYBLOB="90000000", @ANYRES16=r2, @ANYBLOB="01000000000000000000010000000c00050000000000000006000c0002000000000000000000040007800c0008000000000000000000080001"], 0x90}}, 0x0) 10:33:25 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000380), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000000c0)=ANY=[@ANYBLOB="90000000", @ANYRES16=r2, @ANYBLOB="010000960e07e1000000010000000c00050000000000000000000c0002000000000000000000040007800c0008000000000000000000080001"], 0x90}}, 0x0) [ 2950.879447][T16167] block nbd0: Unsupported socket: shutdown callout must be supported. [ 2950.950497][T16173] block nbd0: Unsupported socket: shutdown callout must be supported. 10:33:26 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000380), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000000c0)=ANY=[@ANYBLOB="90000000", @ANYRES16=r2, @ANYBLOB="01000000000000000000010000000c00050000000400000000000c0002000000000000000000040007800c0008000000000000000000080001"], 0x90}}, 0x0) 10:33:26 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000380), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000000c0)=ANY=[@ANYBLOB="90000000", @ANYRES16=r2, @ANYBLOB="01000000000000000000010000000c00050000000000000003000c0002000000000000000000040007800c0008000000000000000000080001"], 0x90}}, 0x0) 10:33:26 executing program 1: unshare(0x40000000) mmap(&(0x7f0000000000/0xb36000)=nil, 0xb36000, 0x3, 0x8031, 0xffffffffffffffff, 0x0) unshare(0x0) r0 = socket$netlink(0x10, 0x3, 0x0) writev(r0, &(0x7f0000000080)=[{&(0x7f00000000c0)="390000001300090468fe0700000000000000ff3f04000000480100100000000004002b000a00010014a4ee1ee438d2fd000000000000007200", 0x39}], 0x1) r1 = socket$nl_route(0x10, 0x3, 0x0) sendmsg$netlink(r1, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000100)=[{&(0x7f00000001c0)=ANY=[@ANYBLOB="2800000013000100000000000000000008000000", @ANYRES32=r1, @ANYBLOB='\f\x00\x00\x00', @ANYRES32=0x0, @ANYBLOB="08000d002e14f9"], 0x28}], 0x1}, 0x0) writev(r0, &(0x7f0000000000)=[{&(0x7f0000000040)="390002b213001104680907000000000f0000ff3f04000000290a001700000000040037000a00030014917c82aa75b9a64411f6a4ee1ee438d2", 0x39}], 0x1) 10:33:26 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$nbd(&(0x7f0000000380), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000000c0)=ANY=[@ANYBLOB="90000000", @ANYRES16=r2, @ANYBLOB="01000000000000000000010000000c00050000000000000007000c0002000000000000000000040007800c0008000000000000000000080001"], 0x90}}, 0x0) [ 2951.052388][T16175] lo speed is unknown, defaulting to 1000 10:33:26 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$nbd(&(0x7f0000000380), r0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000000)) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) r4 = socket$netlink(0x10, 0x3, 0x0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000000c0)=ANY=[@ANYBLOB="90000000", @ANYRES16=r2, @ANYBLOB="01000000000000000000010000000c0005000000000000007a000c0002000000000000000000040007800c000800000000000000000008000100000000004400078008000100", @ANYRES32, @ANYBLOB="38000100", @ANYRES32=r3, @ANYBLOB="08000100", @ANYBLOB="0800d354", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32=r4], 0x90}}, 0x0) [ 2951.289773][T16187] lo speed is unknown, defaulting to 1000 10:33:26 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000380), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000000c0)=ANY=[@ANYBLOB="90000000", @ANYRES16=r2, @ANYBLOB="01000000000000000000010000000c00050000000000000004000c0002000000000000000000040007800c0008000000000000000000080001"], 0x90}}, 0x0) [ 2951.354491][T16209] block nbd0: Unsupported socket: shutdown callout must be supported. [ 2951.481684][T16220] block nbd0: Unsupported socket: shutdown callout must be supported. [ 2951.939906][T16175] device gretap0 entered promiscuous mode [ 2951.961151][T16175] device gretap0 left promiscuous mode [ 2951.970754][T16175] ‘|‚ªu: renamed from gretap0 [ 2951.986663][T16175] ‘|‚ªu: default qdisc (pfifo_fast) fail, fallback to noqueue [ 2952.006800][T16175] A link change request failed with some changes committed already. Interface ‘|‚ªu may have been left with an inconsistent configuration, please check. [ 2952.072138][T16175] lo speed is unknown, defaulting to 1000 [ 2952.103831][T16187] device gretap0 entered promiscuous mode [ 2952.127966][T16187] device gretap0 left promiscuous mode [ 2952.212969][T16239] device ‘|‚ªu entered promiscuous mode [ 2952.654144][T16268] device ‘|‚ªu left promiscuous mode [ 2952.660489][T16268] ‘|‚ªu: refused to change device tx_queue_len 10:33:28 executing program 5: unshare(0x40000000) mmap(&(0x7f0000000000/0xb36000)=nil, 0xb36000, 0x3, 0x8031, 0xffffffffffffffff, 0x0) unshare(0x0) r0 = socket$netlink(0x10, 0x3, 0x0) writev(r0, &(0x7f0000000080)=[{&(0x7f00000000c0)="390000001300090468fe0700000000000000ff3f04000000480100100000000004002b000a00010014a4ee1ee438d2fd000000000000007200", 0x39}], 0x1) r1 = socket$nl_route(0x10, 0x3, 0x0) sendmsg$netlink(r1, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000100)=[{&(0x7f00000001c0)=ANY=[@ANYBLOB="2800000013000100000000000000000008000000", @ANYRES32=r1, @ANYBLOB='\f\x00\x00\x00', @ANYRES32=0x0, @ANYBLOB="08000d002e14f9"], 0x28}], 0x1}, 0x0) writev(r0, &(0x7f0000000000)=[{&(0x7f0000000040)="3900000013001104680907010b00000f0000ff3f04000000290a001700000000040037000a00030014917c82aa75b9a64411f6a4ee1ee438d2", 0x39}], 0x1) 10:33:28 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$nbd(&(0x7f0000000380), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000000c0)=ANY=[@ANYBLOB="90000000", @ANYRES16=r2, @ANYBLOB="01000000000000000000010000000c00050000000500000000000c0002000000000000000000040007800c0008000000000000000000080001"], 0x90}}, 0x0) 10:33:28 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$nbd(&(0x7f0000000380), r0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000000)) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) r4 = socket$netlink(0x10, 0x3, 0x0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000000c0)=ANY=[@ANYBLOB="90000000", @ANYRES16=r2, @ANYBLOB="01000000000000000000010000000c000500000000000000f0000c0002000000000000000000040007800c000800000000000000000008000100000000004400078008000100", @ANYRES32, @ANYBLOB="38000100", @ANYRES32=r3, @ANYBLOB="08000100", @ANYBLOB="0800d354", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32=r4], 0x90}}, 0x0) 10:33:28 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000380), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000000c0)=ANY=[@ANYBLOB="90000000", @ANYRES16=r2, @ANYBLOB="01000000000000000000010000000c00050000000000000009000c0002000000000000000000040007800c0008000000000000000000080001"], 0x90}}, 0x0) 10:33:28 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000380), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000000c0)=ANY=[@ANYBLOB="90000000", @ANYRES16=r2, @ANYBLOB="01000000000000000000010000000c00050000000000000005000c0002000000000000000000040007800c0008000000000000000000080001"], 0x90}}, 0x0) 10:33:28 executing program 1: unshare(0x40000000) mmap(&(0x7f0000000000/0xb36000)=nil, 0xb36000, 0x3, 0x8031, 0xffffffffffffffff, 0x0) unshare(0x0) r0 = socket$netlink(0x10, 0x3, 0x0) writev(r0, &(0x7f0000000080)=[{&(0x7f00000000c0)="390000001300090468fe0700000000000000ff3f04000000480100100000000004002b000a00010014a4ee1ee438d2fd000000000000007200", 0x39}], 0x1) r1 = socket$nl_route(0x10, 0x3, 0x0) sendmsg$netlink(r1, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000100)=[{&(0x7f00000001c0)=ANY=[@ANYBLOB="2800000013000100000000000000000008000000", @ANYRES32=r1, @ANYBLOB='\f\x00\x00\x00', @ANYRES32=0x0, @ANYBLOB="08000d002e14f9"], 0x28}], 0x1}, 0x0) writev(r0, &(0x7f0000000000)=[{&(0x7f0000000040)="390001ae13001104680907000000000f0000ff3f04000000290a001700000000040037000a00030014917c82aa75b9a64411f6a4ee1ee438d2", 0x39}], 0x1) [ 2953.006865][T16280] block nbd0: Unsupported socket: shutdown callout must be supported. [ 2953.047384][T16277] lo speed is unknown, defaulting to 1000 [ 2953.087589][T16287] block nbd0: Unsupported socket: shutdown callout must be supported. 10:33:28 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000380), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000000c0)=ANY=[@ANYBLOB="90000000", @ANYRES16=r2, @ANYBLOB="01000000000000000000010000000c00050000000000000006000c0002000000000000000000040007800c0008000000000000000000080001"], 0x90}}, 0x0) 10:33:28 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$nbd(&(0x7f0000000380), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000000c0)=ANY=[@ANYBLOB="90000000", @ANYRES16=r2, @ANYBLOB="01000000000000000000010000000c0005000000000000000a000c0002000000000000000000040007800c0008000000000000000000080001"], 0x90}}, 0x0) 10:33:28 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$nbd(&(0x7f0000000380), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000000c0)=ANY=[@ANYBLOB="90000000", @ANYRES16=r2, @ANYBLOB="01000000000000000000010000000c00050000000600000000000c0002000000000000000000040007800c0008000000000000000000080001"], 0x90}}, 0x0) 10:33:28 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$nbd(&(0x7f0000000380), r0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000000)) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) r4 = socket$netlink(0x10, 0x3, 0x0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000000c0)=ANY=[@ANYBLOB="90000000", @ANYRES16=r2, @ANYBLOB="01000000000000000000010000000c00050000000000000000030c0002000000000000000000040007800c000800000000000000000008000100000000004400078008000100", @ANYRES32, @ANYBLOB="38000100", @ANYRES32=r3, @ANYBLOB="08000100", @ANYBLOB="0800d354", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32=r4], 0x90}}, 0x0) [ 2953.363918][T16288] lo speed is unknown, defaulting to 1000 10:33:28 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000380), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000000c0)=ANY=[@ANYBLOB="90000000", @ANYRES16=r2, @ANYBLOB="01000000000000000000010000000c00050000000000000007000c0002000000000000000000040007800c0008000000000000000000080001"], 0x90}}, 0x0) 10:33:28 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000380), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000000c0)=ANY=[@ANYBLOB="90000000", @ANYRES16=r2, @ANYBLOB="01000000000000000000010000000c0005000000000000000f000c0002000000000000000000040007800c0008000000000000000000080001"], 0x90}}, 0x0) [ 2953.540774][T16322] block nbd0: Unsupported socket: shutdown callout must be supported. [ 2953.628052][T16332] block nbd0: Unsupported socket: shutdown callout must be supported. [ 2954.086879][T16277] device gretap0 entered promiscuous mode [ 2954.096806][T16283] ‘|‚ªu: refused to change device tx_queue_len [ 2954.114951][T16288] __nla_validate_parse: 48 callbacks suppressed [ 2954.114969][T16288] netlink: 9 bytes leftover after parsing attributes in process `syz-executor.5'. [ 2954.162393][T16288] device gretap0 entered promiscuous mode [ 2954.195934][T16289] ‘|‚ªu: refused to change device tx_queue_len [ 2954.212973][T16288] netlink: 9 bytes leftover after parsing attributes in process `syz-executor.5'. [ 2954.222228][T16288] ‘|‚ªu: renamed from gretap0 [ 2954.266059][T16288] device ‘|‚ªu left promiscuous mode [ 2954.283584][T16288] A link change request failed with some changes committed already. Interface ‘|‚ªu may have been left with an inconsistent configuration, please check. [ 2954.424682][T16288] lo speed is unknown, defaulting to 1000 [ 2954.470374][T16353] netlink: 9 bytes leftover after parsing attributes in process `syz-executor.5'. [ 2954.493348][T16353] device ‘|‚ªu entered promiscuous mode 10:33:30 executing program 5: unshare(0x40000000) mmap(&(0x7f0000000000/0xb36000)=nil, 0xb36000, 0x3, 0x8031, 0xffffffffffffffff, 0x0) unshare(0x0) r0 = socket$netlink(0x10, 0x3, 0x0) writev(r0, &(0x7f0000000080)=[{&(0x7f00000000c0)="390000001300090468fe0700000000000000ff3f04000000480100100000000004002b000a00010014a4ee1ee438d2fd000000000000007200", 0x39}], 0x1) r1 = socket$nl_route(0x10, 0x3, 0x0) sendmsg$netlink(r1, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000100)=[{&(0x7f00000001c0)=ANY=[@ANYBLOB="2800000013000100000000000000000008000000", @ANYRES32=r1, @ANYBLOB='\f\x00\x00\x00', @ANYRES32=0x0, @ANYBLOB="08000d002e14f9"], 0x28}], 0x1}, 0x0) writev(r0, &(0x7f0000000000)=[{&(0x7f0000000040)="3900000013001104680907010c00000f0000ff3f04000000290a001700000000040037000a00030014917c82aa75b9a64411f6a4ee1ee438d2", 0x39}], 0x1) 10:33:30 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$nbd(&(0x7f0000000380), r0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000000)) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) r4 = socket$netlink(0x10, 0x3, 0x0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000000c0)=ANY=[@ANYBLOB="90000000", @ANYRES16=r2, @ANYBLOB="01000000000000000000010000000c00050000000000000000050c0002000000000000000000040007800c000800000000000000000008000100000000004400078008000100", @ANYRES32, @ANYBLOB="38000100", @ANYRES32=r3, @ANYBLOB="08000100", @ANYBLOB="0800d354", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32=r4], 0x90}}, 0x0) 10:33:30 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000380), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000000c0)=ANY=[@ANYBLOB="90000000", @ANYRES16=r2, @ANYBLOB="01000000000000000000010000000c00050000000700000000000c0002000000000000000000040007800c0008000000000000000000080001"], 0x90}}, 0x0) 10:33:30 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000380), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000000c0)=ANY=[@ANYBLOB="90000000", @ANYRES16=r2, @ANYBLOB="01000000000000000000010000000c00050000000000000009000c0002000000000000000000040007800c0008000000000000000000080001"], 0x90}}, 0x0) 10:33:30 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000380), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000000c0)=ANY=[@ANYBLOB="90000000", @ANYRES16=r2, @ANYBLOB="01000000000000000000010000000c0005000000000000001f000c0002000000000000000000040007800c0008000000000000000000080001"], 0x90}}, 0x0) 10:33:30 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000380), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000000c0)=ANY=[@ANYBLOB="90000000", @ANYRES16=r2, @ANYBLOB="01000000000000000074010000000c00050000000000000000000c0002000000000000000000040007800c0008000000000000000000080001"], 0x90}}, 0x0) [ 2955.034795][T16383] netlink: 76 bytes leftover after parsing attributes in process `syz-executor.3'. [ 2955.079256][T16384] netlink: 76 bytes leftover after parsing attributes in process `syz-executor.0'. [ 2955.114569][T16385] netlink: 8 bytes leftover after parsing attributes in process `syz-executor.4'. [ 2955.135002][T16385] netlink: 4 bytes leftover after parsing attributes in process `syz-executor.4'. [ 2955.156204][T16385] netlink: 4 bytes leftover after parsing attributes in process `syz-executor.4'. [ 2955.191914][T16385] block nbd0: Unsupported socket: shutdown callout must be supported. [ 2955.229512][T16391] lo speed is unknown, defaulting to 1000 [ 2955.247827][T16386] netlink: 76 bytes leftover after parsing attributes in process `syz-executor.2'. [ 2955.301647][T16397] netlink: 8 bytes leftover after parsing attributes in process `syz-executor.4'. 10:33:30 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000380), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000000c0)=ANY=[@ANYBLOB="90000000", @ANYRES16=r2, @ANYBLOB="01000000000000000000010000000c0005000000000000000a000c0002000000000000000000040007800c0008000000000000000000080001"], 0x90}}, 0x0) [ 2955.347833][T16397] block nbd0: Unsupported socket: shutdown callout must be supported. 10:33:30 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000380), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000000c0)=ANY=[@ANYBLOB="90000000", @ANYRES16=r2, @ANYBLOB="01000000000000000000010000000c00050000000900000000000c0002000000000000000000040007800c0008000000000000000000080001"], 0x90}}, 0x0) 10:33:30 executing program 1: unshare(0x40000000) mmap(&(0x7f0000000000/0xb36000)=nil, 0xb36000, 0x3, 0x8031, 0xffffffffffffffff, 0x0) unshare(0x0) r0 = socket$netlink(0x10, 0x3, 0x0) writev(r0, &(0x7f0000000080)=[{&(0x7f00000000c0)="390000001300090468fe0700000000000000ff3f04000000480100100000000004002b000a00010014a4ee1ee438d2fd000000000000007200", 0x39}], 0x1) r1 = socket$nl_route(0x10, 0x3, 0x0) sendmsg$netlink(r1, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000100)=[{&(0x7f00000001c0)=ANY=[@ANYBLOB="2800000013000100000000000000000008000000", @ANYRES32=r1, @ANYBLOB='\f\x00\x00\x00', @ANYRES32=0x0, @ANYBLOB="08000d002e14f9"], 0x28}], 0x1}, 0x0) writev(r0, &(0x7f0000000000)=[{&(0x7f0000000040)="3900009a13001104680907000000000f0000ff3f04000000290a001700000000040037000a00030014917c82aa75b9a64411f6a4ee1ee438d2", 0x39}], 0x1) 10:33:30 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$nbd(&(0x7f0000000380), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000000c0)=ANY=[@ANYBLOB="90000000", @ANYRES16=r2, @ANYBLOB="01000000000000000000010000000c00050000000000000020000c0002000000000000000000040007800c0008000000000000000000080001"], 0x90}}, 0x0) 10:33:30 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$nbd(&(0x7f0000000380), r0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000000)) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) r4 = socket$netlink(0x10, 0x3, 0x0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000000c0)=ANY=[@ANYBLOB="90000000", @ANYRES16=r2, @ANYBLOB="01000000000000000000010000000c00050000000000000000060c0002000000000000000000040007800c000800000000000000000008000100000000004400078008000100", @ANYRES32, @ANYBLOB="38000100", @ANYRES32=r3, @ANYBLOB="08000100", @ANYBLOB="0800d354", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32=r4], 0x90}}, 0x0) 10:33:30 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000380), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000000c0)=ANY=[@ANYBLOB="90000000", @ANYRES16=r2, @ANYBLOB="01000000000000000000010000000c0005000000000000000f000c0002000000000000000000040007800c0008000000000000000000080001"], 0x90}}, 0x0) [ 2955.723216][T16425] lo speed is unknown, defaulting to 1000 [ 2955.733204][T16430] block nbd0: Unsupported socket: shutdown callout must be supported. [ 2956.215369][T16391] device gretap0 entered promiscuous mode [ 2956.225631][T16391] device gretap0 left promiscuous mode [ 2956.241348][T16391] ‘|‚ªu: renamed from gretap0 [ 2956.266578][T16391] ‘|‚ªu: default qdisc (pfifo_fast) fail, fallback to noqueue [ 2956.308203][T16391] A link change request failed with some changes committed already. Interface ‘|‚ªu may have been left with an inconsistent configuration, please check. [ 2956.422248][T16391] lo speed is unknown, defaulting to 1000 [ 2956.638227][T16425] device gretap0 entered promiscuous mode [ 2956.665920][T16425] device gretap0 left promiscuous mode 10:33:32 executing program 5: unshare(0x40000000) mmap(&(0x7f0000000000/0xb36000)=nil, 0xb36000, 0x3, 0x8031, 0xffffffffffffffff, 0x0) unshare(0x0) r0 = socket$netlink(0x10, 0x3, 0x0) writev(r0, &(0x7f0000000080)=[{&(0x7f00000000c0)="390000001300090468fe0700000000000000ff3f04000000480100100000000004002b000a00010014a4ee1ee438d2fd000000000000007200", 0x39}], 0x1) r1 = socket$nl_route(0x10, 0x3, 0x0) sendmsg$netlink(r1, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000100)=[{&(0x7f00000001c0)=ANY=[@ANYBLOB="2800000013000100000000000000000008000000", @ANYRES32=r1, @ANYBLOB='\f\x00\x00\x00', @ANYRES32=0x0, @ANYBLOB="08000d002e14f9"], 0x28}], 0x1}, 0x0) writev(r0, &(0x7f0000000000)=[{&(0x7f0000000040)="3900000013001104680907000e00000f0000ff3f04000000290a001700000000040037000a00030014917c82aa75b9a64411f6a4ee1ee438d2", 0x39}], 0x1) 10:33:32 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$nbd(&(0x7f0000000380), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000000c0)=ANY=[@ANYBLOB="90000000", @ANYRES16=r2, @ANYBLOB="01000000000000000000010000000c000500000000981dbe35000c0002000000000000000000040007800c0008000000000000000000080001"], 0x90}}, 0x0) 10:33:32 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$nbd(&(0x7f0000000380), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000000c0)=ANY=[@ANYBLOB="90000000", @ANYRES16=r2, @ANYBLOB="01000000000000000000010000000c00050000000a00000000000c0002000000000000000000040007800c0008000000000000000000080001"], 0x90}}, 0x0) 10:33:32 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$nbd(&(0x7f0000000380), r0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000000)) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) r4 = socket$netlink(0x10, 0x3, 0x0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000000c0)=ANY=[@ANYBLOB="90000000", @ANYRES16=r2, @ANYBLOB="01000000000000000000010000000c00050000000000000000070c0002000000000000000000040007800c000800000000000000000008000100000000004400078008000100", @ANYRES32, @ANYBLOB="38000100", @ANYRES32=r3, @ANYBLOB="08000100", @ANYBLOB="0800d354", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32=r4], 0x90}}, 0x0) 10:33:32 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000380), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000000c0)=ANY=[@ANYBLOB="90000000", @ANYRES16=r2, @ANYBLOB="01000000000000000000010000000c0005000000000000001f000c0002000000000000000000040007800c0008000000000000000000080001"], 0x90}}, 0x0) 10:33:32 executing program 1: unshare(0x40000000) mmap(&(0x7f0000000000/0xb36000)=nil, 0xb36000, 0x3, 0x8031, 0xffffffffffffffff, 0x0) unshare(0x0) r0 = socket$netlink(0x10, 0x3, 0x0) writev(r0, &(0x7f0000000080)=[{&(0x7f00000000c0)="390000001300090468fe0700000000000000ff3f04000000480100100000000004002b000a00010014a4ee1ee438d2fd000000000000007200", 0x39}], 0x1) r1 = socket$nl_route(0x10, 0x3, 0x0) sendmsg$netlink(r1, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000100)=[{&(0x7f00000001c0)=ANY=[@ANYBLOB="2800000013000100000000000000000008000000", @ANYRES32=r1, @ANYBLOB='\f\x00\x00\x00', @ANYRES32=0x0, @ANYBLOB="08000d002e14f9"], 0x28}], 0x1}, 0x0) writev(r0, &(0x7f0000000000)=[{&(0x7f0000000040)="3900039613001104680907000000000f0000ff3f04000000290a001700000000040037000a00030014917c82aa75b9a64411f6a4ee1ee438d2", 0x39}], 0x1) [ 2957.362248][T16497] block nbd0: Unsupported socket: shutdown callout must be supported. [ 2957.400358][T16496] lo speed is unknown, defaulting to 1000 10:33:32 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$nbd(&(0x7f0000000380), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000000c0)=ANY=[@ANYBLOB="90000000", @ANYRES16=r2, @ANYBLOB="01000000000000000000010000000c00050000000f00000000000c0002000000000000000000040007800c0008000000000000000000080001"], 0x90}}, 0x0) 10:33:32 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$nbd(&(0x7f0000000380), r0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000000)) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) r4 = socket$netlink(0x10, 0x3, 0x0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000000c0)=ANY=[@ANYBLOB="90000000", @ANYRES16=r2, @ANYBLOB="01000000000000000000010000000c00050000000000000000090c0002000000000000000000040007800c000800000000000000000008000100000000004400078008000100", @ANYRES32, @ANYBLOB="38000100", @ANYRES32=r3, @ANYBLOB="08000100", @ANYBLOB="0800d354", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32=r4], 0x90}}, 0x0) 10:33:32 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000380), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000000c0)=ANY=[@ANYBLOB="90000000", @ANYRES16=r2, @ANYBLOB="01000000000000000000010000000c00050000000000000020000c0002000000000000000000040007800c0008000000000000000000080001"], 0x90}}, 0x0) 10:33:32 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000380), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000000c0)=ANY=[@ANYBLOB="90000000", @ANYRES16=r2, @ANYBLOB="01000000000000000000010000000c0005000000000000003f000c0002000000000000000000040007800c0008000000000000000000080001"], 0x90}}, 0x0) [ 2957.644741][T16500] lo speed is unknown, defaulting to 1000 [ 2957.876887][T16548] block nbd0: Unsupported socket: shutdown callout must be supported. 10:33:33 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000380), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000000c0)=ANY=[@ANYBLOB="90000000", @ANYRES16=r2, @ANYBLOB="01000000000000000000010000000c00050000004800000000000c0002000000000000000000040007800c0008000000000000000000080001"], 0x90}}, 0x0) 10:33:33 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000380), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000000c0)=ANY=[@ANYBLOB="90000000", @ANYRES16=r2, @ANYBLOB="01000000000000000000010000000c0005000000000000003f000c0002000000000000000000040007800c0008000000000000000000080001"], 0x90}}, 0x0) [ 2958.431437][T16496] device gretap0 entered promiscuous mode [ 2958.443556][T16496] device gretap0 left promiscuous mode [ 2958.470673][T16496] ‘|‚ªu: renamed from gretap0 [ 2958.496462][T16496] ‘|‚ªu: default qdisc (pfifo_fast) fail, fallback to noqueue [ 2958.514232][ T1360] ieee802154 phy0 wpan0: encryption failed: -22 [ 2958.520872][ T1360] ieee802154 phy1 wpan1: encryption failed: -22 [ 2958.527037][T16496] A link change request failed with some changes committed already. Interface ‘|‚ªu may have been left with an inconsistent configuration, please check. [ 2958.583336][T16500] device gretap0 entered promiscuous mode [ 2958.589994][T16507] ‘|‚ªu: refused to change device tx_queue_len [ 2958.625667][T16496] lo speed is unknown, defaulting to 1000 [ 2959.240629][T16599] device ‘|‚ªu left promiscuous mode [ 2959.253416][T16599] ‘|‚ªu: refused to change device tx_queue_len 10:33:34 executing program 5: unshare(0x40000000) mmap(&(0x7f0000000000/0xb36000)=nil, 0xb36000, 0x3, 0x8031, 0xffffffffffffffff, 0x0) unshare(0x0) r0 = socket$netlink(0x10, 0x3, 0x0) writev(r0, &(0x7f0000000080)=[{&(0x7f00000000c0)="390000001300090468fe0700000000000000ff3f04000000480100100000000004002b000a00010014a4ee1ee438d2fd000000000000007200", 0x39}], 0x1) r1 = socket$nl_route(0x10, 0x3, 0x0) sendmsg$netlink(r1, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000100)=[{&(0x7f00000001c0)=ANY=[@ANYBLOB="2800000013000100000000000000000008000000", @ANYRES32=r1, @ANYBLOB='\f\x00\x00\x00', @ANYRES32=0x0, @ANYBLOB="08000d002e14f9"], 0x28}], 0x1}, 0x0) writev(r0, &(0x7f0000000000)=[{&(0x7f0000000040)="3900000013001104680907020e00000f0000ff3f04000000290a001700000000040037000a00030014917c82aa75b9a64411f6a4ee1ee438d2", 0x39}], 0x1) 10:33:34 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$nbd(&(0x7f0000000380), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000000c0)=ANY=[@ANYBLOB="90000000", @ANYRES16=r2, @ANYBLOB="01000000000000000000010000000c00050000004c00000000000c0002000000000000000000040007800c0008000000000000000000080001"], 0x90}}, 0x0) 10:33:34 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$nbd(&(0x7f0000000380), r0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000000)) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) r4 = socket$netlink(0x10, 0x3, 0x0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000000c0)=ANY=[@ANYBLOB="90000000", @ANYRES16=r2, @ANYBLOB="010000000000fffff000010000000c00050000000000000000000c0002000000000000000000040007800c000800000000000000000008000100000000004400078008000100", @ANYRES32, @ANYBLOB="38000100", @ANYRES32=r3, @ANYBLOB="08000100", @ANYBLOB="0800d354", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32=r4], 0x90}}, 0x0) 10:33:34 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000380), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000000c0)=ANY=[@ANYBLOB="90000000", @ANYRES16=r2, @ANYBLOB="01000000000000000000010000000c00050000000000000048000c0002000000000000000000040007800c0008000000000000000000080001"], 0x90}}, 0x0) 10:33:34 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000380), r0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000000)) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) r4 = socket$netlink(0x10, 0x3, 0x0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000000c0)=ANY=[@ANYBLOB="90000000", @ANYRES16=r2, @ANYBLOB="01000000000000000000010000000c000500000000000000000a0c0002000000000000000000040007800c000800000000000000000008000100000000004400078008000100", @ANYRES32, @ANYBLOB="38000100", @ANYRES32=r3, @ANYBLOB="08000100", @ANYBLOB="0800d354", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32=r4], 0x90}}, 0x0) 10:33:34 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000380), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000000c0)=ANY=[@ANYBLOB="90000000", @ANYRES16=r2, @ANYBLOB="01000000000000000000010000000c00050000000000000048000c0002000000000000000000040007800c0008000000000000000000080001"], 0x90}}, 0x0) [ 2959.571744][T16605] __nla_validate_parse: 40 callbacks suppressed [ 2959.571765][T16605] netlink: 8 bytes leftover after parsing attributes in process `syz-executor.1'. [ 2959.610355][T16605] netlink: 4 bytes leftover after parsing attributes in process `syz-executor.1'. [ 2959.639128][T16610] lo speed is unknown, defaulting to 1000 [ 2959.646249][T16605] netlink: 4 bytes leftover after parsing attributes in process `syz-executor.1'. [ 2959.661413][T16605] block nbd0: Unsupported socket: shutdown callout must be supported. [ 2959.706288][T16611] netlink: 76 bytes leftover after parsing attributes in process `syz-executor.3'. 10:33:34 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$nbd(&(0x7f0000000380), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000000c0)=ANY=[@ANYBLOB="90000000", @ANYRES16=r2, @ANYBLOB="01000000000000000000010000000c0005000000000000004c000c0002000000000000000000040007800c0008000000000000000000080001"], 0x90}}, 0x0) [ 2959.781123][T16612] netlink: 8 bytes leftover after parsing attributes in process `syz-executor.4'. [ 2959.812286][T16612] netlink: 4 bytes leftover after parsing attributes in process `syz-executor.4'. 10:33:35 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$nbd(&(0x7f0000000380), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000000c0)=ANY=[@ANYBLOB="90000000", @ANYRES16=r2, @ANYBLOB="01000000000000000000010000000c00050000006000000000000c0002000000000000000000040007800c0008000000000000000000080001"], 0x90}}, 0x0) 10:33:35 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$nbd(&(0x7f0000000380), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000000c0)=ANY=[@ANYBLOB="90000000", @ANYRES16=r2, @ANYBLOB="01000000060000000000010000000c00050000000000000000000c0002000000000000000000040007800c0008000000000000000000080001"], 0x90}}, 0x0) [ 2959.866508][T16612] netlink: 4 bytes leftover after parsing attributes in process `syz-executor.4'. 10:33:35 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000380), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000000c0)=ANY=[@ANYBLOB="90000000", @ANYRES16=r2, @ANYBLOB="01000000000000000000010000000c0005000000000000004c000c0002000000000000000000040007800c0008000000000000000000080001"], 0x90}}, 0x0) 10:33:35 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$nbd(&(0x7f0000000380), r0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000000)) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) r4 = socket$netlink(0x10, 0x3, 0x0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000000c0)=ANY=[@ANYBLOB="90000000", @ANYRES16=r2, @ANYBLOB="01000000000000000000010000000c000500000000000000001f0c0002000000000000000000040007800c000800000000000000000008000100000000004400078008000100", @ANYRES32, @ANYBLOB="38000100", @ANYRES32=r3, @ANYBLOB="08000100", @ANYBLOB="0800d354", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32=r4], 0x90}}, 0x0) [ 2960.024680][T16643] netlink: 76 bytes leftover after parsing attributes in process `syz-executor.2'. [ 2960.091073][T16644] netlink: 76 bytes leftover after parsing attributes in process `syz-executor.0'. [ 2960.130002][T16645] netlink: 76 bytes leftover after parsing attributes in process `syz-executor.1'. 10:33:35 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000380), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000000c0)=ANY=[@ANYBLOB="90000000", @ANYRES16=r2, @ANYBLOB="01000000000000000000010000000c00050000006800000000000c0002000000000000000000040007800c0008000000000000000000080001"], 0x90}}, 0x0) [ 2960.306646][T16652] block nbd0: Unsupported socket: shutdown callout must be supported. [ 2960.541262][T16610] device gretap0 entered promiscuous mode [ 2960.556860][T16610] device gretap0 left promiscuous mode [ 2960.569215][T16610] ‘|‚ªu: renamed from gretap0 [ 2960.581088][T16610] ‘|‚ªu: default qdisc (pfifo_fast) fail, fallback to noqueue [ 2960.596125][T16610] A link change request failed with some changes committed already. Interface ‘|‚ªu may have been left with an inconsistent configuration, please check. [ 2960.760395][T16610] lo speed is unknown, defaulting to 1000 [ 2960.780183][T16660] device ‘|‚ªu entered promiscuous mode [ 2961.032815][T16686] device ‘|‚ªu left promiscuous mode [ 2961.038644][T16686] ‘|‚ªu: refused to change device tx_queue_len 10:33:36 executing program 5: unshare(0x40000000) mmap(&(0x7f0000000000/0xb36000)=nil, 0xb36000, 0x3, 0x8031, 0xffffffffffffffff, 0x0) unshare(0x0) r0 = socket$netlink(0x10, 0x3, 0x0) writev(r0, &(0x7f0000000080)=[{&(0x7f00000000c0)="390000001300090468fe0700000000000000ff3f04000000480100100000000004002b000a00010014a4ee1ee438d2fd000000000000007200", 0x39}], 0x1) r1 = socket$nl_route(0x10, 0x3, 0x0) sendmsg$netlink(r1, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000100)=[{&(0x7f00000001c0)=ANY=[@ANYBLOB="2800000013000100000000000000000008000000", @ANYRES32=r1, @ANYBLOB='\f\x00\x00\x00', @ANYRES32=0x0, @ANYBLOB="08000d002e14f9"], 0x28}], 0x1}, 0x0) writev(r0, &(0x7f0000000000)=[{&(0x7f0000000040)="3900000013001104680907011000000f0000ff3f04000000290a001700000000040037000a00030014917c82aa75b9a64411f6a4ee1ee438d2", 0x39}], 0x1) 10:33:36 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$nbd(&(0x7f0000000380), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000000c0)=ANY=[@ANYBLOB="90000000", @ANYRES16=r2, @ANYBLOB="01000000006800000000010000000c00050000000000000000000c0002000000000000000000040007800c0008000000000000000000080001"], 0x90}}, 0x0) 10:33:36 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$nbd(&(0x7f0000000380), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000000c0)=ANY=[@ANYBLOB="90000000", @ANYRES16=r2, @ANYBLOB="01000000000000000000010000000c00050000000000000060000c0002000000000000000000040007800c0008000000000000000000080001"], 0x90}}, 0x0) 10:33:36 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000380), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000000c0)=ANY=[@ANYBLOB="90000000", @ANYRES16=r2, @ANYBLOB="01000000000000000000010000000c00050000000000000060000c0002000000000000000000040007800c0008000000000000000000080001"], 0x90}}, 0x0) 10:33:36 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$nbd(&(0x7f0000000380), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000000c0)=ANY=[@ANYBLOB="90000000", @ANYRES16=r2, @ANYBLOB="01000000000000000000010000000c00050000006c00000000000c0002000000000000000000040007800c0008000000000000000000080001"], 0x90}}, 0x0) 10:33:36 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$nbd(&(0x7f0000000380), r0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000000)) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) r4 = socket$netlink(0x10, 0x3, 0x0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000000c0)=ANY=[@ANYBLOB="90000000", @ANYRES16=r2, @ANYBLOB="01000000000000000000010000000c00050000000000000000200c0002000000000000000000040007800c000800000000000000000008000100000000004400078008000100", @ANYRES32, @ANYBLOB="38000100", @ANYRES32=r3, @ANYBLOB="08000100", @ANYBLOB="0800d354", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32=r4], 0x90}}, 0x0) [ 2961.342558][T16693] block nbd0: Unsupported socket: shutdown callout must be supported. 10:33:36 executing program 1: unshare(0x40000000) mmap(&(0x7f0000000000/0xb36000)=nil, 0xb36000, 0x3, 0x8031, 0xffffffffffffffff, 0x0) unshare(0x0) r0 = socket$netlink(0x10, 0x3, 0x0) writev(r0, &(0x7f0000000080)=[{&(0x7f00000000c0)="390000001300090468fe0700000000000000ff3f04000000480100100000000004002b000a00010014a4ee1ee438d2fd000000000000007200", 0x39}], 0x1) r1 = socket$nl_route(0x10, 0x3, 0x0) sendmsg$netlink(r1, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000100)=[{&(0x7f00000001c0)=ANY=[@ANYBLOB="2800000013000100000000000000000008000000", @ANYRES32=r1, @ANYBLOB='\f\x00\x00\x00', @ANYRES32=0x0, @ANYBLOB="08000d002e14f9"], 0x28}], 0x1}, 0x0) writev(r0, &(0x7f0000000000)=[{&(0x7f0000000040)="3900017613001104680907000000000f0000ff3f04000000290a001700000000040037000a00030014917c82aa75b9a64411f6a4ee1ee438d2", 0x39}], 0x1) 10:33:36 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$nbd(&(0x7f0000000380), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000000c0)=ANY=[@ANYBLOB="90000000", @ANYRES16=r2, @ANYBLOB="01000000000000000000010000000c00050000007400000000000c0002000000000000000000040007800c0008000000000000000000080001"], 0x90}}, 0x0) 10:33:36 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$nbd(&(0x7f0000000380), r0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000000)) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) r4 = socket$netlink(0x10, 0x3, 0x0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000000c0)=ANY=[@ANYBLOB="90000000", @ANYRES16=r2, @ANYBLOB="01000000000000000000010000000c000500000000000000003f0c0002000000000000000000040007800c000800000000000000000008000100000000004400078008000100", @ANYRES32, @ANYBLOB="38000100", @ANYRES32=r3, @ANYBLOB="08000100", @ANYBLOB="0800d354", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32=r4], 0x90}}, 0x0) [ 2961.513397][T16699] lo speed is unknown, defaulting to 1000 10:33:36 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000380), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000000c0)=ANY=[@ANYBLOB="90000000", @ANYRES16=r2, @ANYBLOB="01000000000000000000010000000c00050000000000000068000c0002000000000000000000040007800c0008000000000000000000080001"], 0x90}}, 0x0) 10:33:36 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000380), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000000c0)=ANY=[@ANYBLOB="90000000", @ANYRES16=r2, @ANYBLOB="01000000000000000000010000000c00050000000000000068000c0002000000000000000000040007800c0008000000000000000000080001"], 0x90}}, 0x0) [ 2961.645135][T16708] lo speed is unknown, defaulting to 1000 [ 2961.843202][T16733] block nbd0: Unsupported socket: shutdown callout must be supported. [ 2961.931213][T16750] block nbd0: Unsupported socket: shutdown callout must be supported. 10:33:37 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000380), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000000c0)=ANY=[@ANYBLOB="90000000", @ANYRES16=r2, @ANYBLOB="01000000000000000000010000000c00050000007a00000000000c0002000000000000000000040007800c0008000000000000000000080001"], 0x90}}, 0x0) [ 2962.403149][T16699] device gretap0 entered promiscuous mode [ 2962.411762][T16699] device gretap0 left promiscuous mode [ 2962.435858][T16699] ‘|‚ªu: renamed from gretap0 [ 2962.465075][T16699] ‘|‚ªu: default qdisc (pfifo_fast) fail, fallback to noqueue [ 2962.502024][T16699] A link change request failed with some changes committed already. Interface ‘|‚ªu may have been left with an inconsistent configuration, please check. [ 2962.555751][T16708] device gretap0 entered promiscuous mode [ 2962.580178][T16708] device gretap0 left promiscuous mode [ 2962.588485][T16699] lo speed is unknown, defaulting to 1000 [ 2962.710606][T16768] ‘|‚ªu: refused to change device tx_queue_len 10:33:38 executing program 5: unshare(0x40000000) mmap(&(0x7f0000000000/0xb36000)=nil, 0xb36000, 0x3, 0x8031, 0xffffffffffffffff, 0x0) unshare(0x0) r0 = socket$netlink(0x10, 0x3, 0x0) writev(r0, &(0x7f0000000080)=[{&(0x7f00000000c0)="390000001300090468fe0700000000000000ff3f04000000480100100000000004002b000a00010014a4ee1ee438d2fd000000000000007200", 0x39}], 0x1) r1 = socket$nl_route(0x10, 0x3, 0x0) sendmsg$netlink(r1, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000100)=[{&(0x7f00000001c0)=ANY=[@ANYBLOB="2800000013000100000000000000000008000000", @ANYRES32=r1, @ANYBLOB='\f\x00\x00\x00', @ANYRES32=0x0, @ANYBLOB="08000d002e14f9"], 0x28}], 0x1}, 0x0) writev(r0, &(0x7f0000000000)=[{&(0x7f0000000040)="3900000013001104680907001500000f0000ff3f04000000290a001700000000040037000a00030014917c82aa75b9a64411f6a4ee1ee438d2", 0x39}], 0x1) 10:33:38 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000380), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000000c0)=ANY=[@ANYBLOB="90000000", @ANYRES16=r2, @ANYBLOB="01000000000000000000010000000c0005000000000000006c000c0002000000000000000000040007800c0008000000000000000000080001"], 0x90}}, 0x0) 10:33:38 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$nbd(&(0x7f0000000380), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000000c0)=ANY=[@ANYBLOB="90000000", @ANYRES16=r2, @ANYBLOB="01000000000000000000010000000c0005000000000000006c000c0002000000000000000000040007800c0008000000000000000000080001"], 0x90}}, 0x0) 10:33:38 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$nbd(&(0x7f0000000380), r0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000000)) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) r4 = socket$netlink(0x10, 0x3, 0x0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000000c0)=ANY=[@ANYBLOB="90000000", @ANYRES16=r2, @ANYBLOB="01000000000000000000010000000c00050000000000000000480c0002000000000000000000040007800c000800000000000000000008000100000000004400078008000100", @ANYRES32, @ANYBLOB="38000100", @ANYRES32=r3, @ANYBLOB="08000100", @ANYBLOB="0800d354", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32=r4], 0x90}}, 0x0) 10:33:38 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000380), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000000c0)=ANY=[@ANYBLOB="90000000", @ANYRES16=r2, @ANYBLOB="01000000000000000000010000000c0005000000f000000000000c0002000000000000000000040007800c0008000000000000000000080001"], 0x90}}, 0x0) 10:33:38 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000380), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000000c0)=ANY=[@ANYBLOB="90000000", @ANYRES16=r2, @ANYBLOB="01000060000000000000010000000c00050000000000000000000c0002000000000000000000040007800c0008000000000000000000080001"], 0x90}}, 0x0) [ 2963.063265][T16801] block nbd0: Unsupported socket: shutdown callout must be supported. [ 2963.129482][T16806] block nbd0: Unsupported socket: shutdown callout must be supported. 10:33:38 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000380), r0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000000)) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) r4 = socket$netlink(0x10, 0x3, 0x0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000000c0)=ANY=[@ANYBLOB="90000000", @ANYRES16=r2, @ANYBLOB="01000000000000000000010000000c000500000000000000004c0c0002000000000000000000040007800c000800000000000000000008000100000000004400078008000100", @ANYRES32, @ANYBLOB="38000100", @ANYRES32=r3, @ANYBLOB="08000100", @ANYBLOB="0800d354", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32=r4], 0x90}}, 0x0) 10:33:38 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000380), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000000c0)=ANY=[@ANYBLOB="90000000", @ANYRES16=r2, @ANYBLOB="01000000000000000000010000000c00050000000000000074000c0002000000000000000000040007800c0008000000000000000000080001"], 0x90}}, 0x0) 10:33:38 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$nbd(&(0x7f0000000380), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000000c0)=ANY=[@ANYBLOB="90000000", @ANYRES16=r2, @ANYBLOB="01000000000000000000010000000c00050000000000000074000c0002000000000000000000040007800c0008000000000000000000080001"], 0x90}}, 0x0) 10:33:38 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$nbd(&(0x7f0000000380), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000000c0)=ANY=[@ANYBLOB="90000000", @ANYRES16=r2, @ANYBLOB="01000000000000000000010000000c00050000000003000000000c0002000000000000000000040007800c0008000000000000000000080001"], 0x90}}, 0x0) [ 2963.289582][T16810] lo speed is unknown, defaulting to 1000 10:33:38 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$nbd(&(0x7f0000000380), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000000c0)=ANY=[@ANYBLOB="90000000", @ANYRES16=r2, @ANYBLOB="0100000000000000007a010000000c00050000000000000000000c0002000000000000000000040007800c0008000000000000000000080001"], 0x90}}, 0x0) [ 2963.483832][T16829] block nbd0: Unsupported socket: shutdown callout must be supported. 10:33:38 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000380), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000000c0)=ANY=[@ANYBLOB="90000000", @ANYRES16=r2, @ANYBLOB="01000000000000000000010000000c0005000000000000007a000c0002000000000000000000040007800c0008000000000000000000080001"], 0x90}}, 0x0) [ 2964.016076][T16810] device gretap0 entered promiscuous mode [ 2964.036264][T16810] device gretap0 left promiscuous mode [ 2964.046244][T16810] ‘|‚ªu: renamed from gretap0 [ 2964.059782][T16810] ‘|‚ªu: default qdisc (pfifo_fast) fail, fallback to noqueue [ 2964.093537][T16810] A link change request failed with some changes committed already. Interface ‘|‚ªu may have been left with an inconsistent configuration, please check. [ 2964.160682][T16810] lo speed is unknown, defaulting to 1000 [ 2964.288056][T16853] device ‘|‚ªu entered promiscuous mode [ 2964.609709][T16877] device ‘|‚ªu left promiscuous mode [ 2964.625834][T16877] ‘|‚ªu: refused to change device tx_queue_len 10:33:39 executing program 5: unshare(0x40000000) mmap(&(0x7f0000000000/0xb36000)=nil, 0xb36000, 0x3, 0x8031, 0xffffffffffffffff, 0x0) unshare(0x0) r0 = socket$netlink(0x10, 0x3, 0x0) writev(r0, &(0x7f0000000080)=[{&(0x7f00000000c0)="390000001300090468fe0700000000000000ff3f04000000480100100000000004002b000a00010014a4ee1ee438d2fd000000000000007200", 0x39}], 0x1) r1 = socket$nl_route(0x10, 0x3, 0x0) sendmsg$netlink(r1, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000100)=[{&(0x7f00000001c0)=ANY=[@ANYBLOB="2800000013000100000000000000000008000000", @ANYRES32=r1, @ANYBLOB='\f\x00\x00\x00', @ANYRES32=0x0, @ANYBLOB="08000d002e14f9"], 0x28}], 0x1}, 0x0) writev(r0, &(0x7f0000000000)=[{&(0x7f0000000040)="3900000013001104680907011500000f0000ff3f04000000290a001700000000040037000a00030014917c82aa75b9a64411f6a4ee1ee438d2", 0x39}], 0x1) 10:33:39 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000380), r0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000000)) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) r4 = socket$netlink(0x10, 0x3, 0x0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000000c0)=ANY=[@ANYBLOB="90000000", @ANYRES16=r2, @ANYBLOB="01000000000000000000010000000c00050000000000000000600c0002000000000000000000040007800c000800000000000000000008000100000000004400078008000100", @ANYRES32, @ANYBLOB="38000100", @ANYRES32=r3, @ANYBLOB="08000100", @ANYBLOB="0800d354", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32=r4], 0x90}}, 0x0) 10:33:39 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$nbd(&(0x7f0000000380), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000000c0)=ANY=[@ANYBLOB="90000000", @ANYRES16=r2, @ANYBLOB="01000000000000000000010000000c0005000000000000007a000c0002000000000000000000040007800c0008000000000000000000080001"], 0x90}}, 0x0) 10:33:39 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$nbd(&(0x7f0000000380), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000000c0)=ANY=[@ANYBLOB="90000000", @ANYRES16=r2, @ANYBLOB="01000000000000000000010000000c00050000000005000000000c0002000000000000000000040007800c0008000000000000000000080001"], 0x90}}, 0x0) 10:33:39 executing program 1: socketpair$unix(0x1, 0x5, 0x0, &(0x7f0000000000)={0xffffffffffffffff}) ioctl$sock_SIOCGIFINDEX(r0, 0x8933, &(0x7f00000000c0)={'bridge_slave_0\x00', 0x0}) r2 = socket$inet6_udplite(0xa, 0x2, 0x88) ioctl$sock_SIOCGIFINDEX(r2, 0x8933, &(0x7f0000000080)={'bridge0\x00', 0x0}) r4 = socket(0x10, 0x803, 0x0) sendmsg$nl_route(r4, &(0x7f0000000240)={0x0, 0x0, &(0x7f00000001c0)={&(0x7f0000000040)=@RTM_NEWMDB={0x38, 0x54, 0x1, 0x0, 0x0, {0x7, r3}, [@MDBA_SET_ENTRY={0x20, 0x1, {r1, 0x0, 0x0, 0x0, {@in6_addr=@mcast1}}}]}, 0x38}}, 0x0) 10:33:39 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000380), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000000c0)=ANY=[@ANYBLOB="90000000", @ANYRES16=r2, @ANYBLOB="01000000000000000000010000000c000500000000e1070e96000c0002000000000000000000040007800c0008000000000000000000080001"], 0x90}}, 0x0) [ 2964.972957][T16885] __nla_validate_parse: 61 callbacks suppressed [ 2964.972977][T16885] netlink: 8 bytes leftover after parsing attributes in process `syz-executor.4'. 10:33:40 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000380), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000000c0)=ANY=[@ANYBLOB="90000000", @ANYRES16=r2, @ANYBLOB="01000040030000000000010000000c00050000000000000000000c0002000000000000000000040007800c0008000000000000000000080001"], 0x90}}, 0x0) [ 2965.039620][T16885] netlink: 4 bytes leftover after parsing attributes in process `syz-executor.4'. [ 2965.071319][T16885] netlink: 4 bytes leftover after parsing attributes in process `syz-executor.4'. [ 2965.115174][T16889] lo speed is unknown, defaulting to 1000 [ 2965.123373][T16885] block nbd0: Unsupported socket: shutdown callout must be supported. [ 2965.194510][T16903] netlink: 8 bytes leftover after parsing attributes in process `syz-executor.4'. [ 2965.239858][T16903] netlink: 4 bytes leftover after parsing attributes in process `syz-executor.4'. 10:33:40 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000380), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000000c0)=ANY=[@ANYBLOB="90000000", @ANYRES16=r2, @ANYBLOB="01000000000000000000010000000c00050000000035be1d98000c0002000000000000000000040007800c0008000000000000000000080001"], 0x90}}, 0x0) 10:33:40 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000380), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000000c0)=ANY=[@ANYBLOB="90000000", @ANYRES16=r2, @ANYBLOB="01000000000000000000010000000c000500000000ffffff9e000c0002000000000000000000040007800c0008000000000000000000080001"], 0x90}}, 0x0) 10:33:40 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000380), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000000c0)=ANY=[@ANYBLOB="90000000", @ANYRES16=r2, @ANYBLOB="01000000000000000000010000000c00050000000006000000000c0002000000000000000000040007800c0008000000000000000000080001"], 0x90}}, 0x0) [ 2965.319129][T16903] netlink: 4 bytes leftover after parsing attributes in process `syz-executor.4'. 10:33:40 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000380), r0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000000)) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) r4 = socket$netlink(0x10, 0x3, 0x0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000000c0)=ANY=[@ANYBLOB="90000000", @ANYRES16=r2, @ANYBLOB="01000000000000000000010000000c00050000000000000000680c0002000000000000000000040007800c000800000000000000000008000100000000004400078008000100", @ANYRES32, @ANYBLOB="38000100", @ANYRES32=r3, @ANYBLOB="08000100", @ANYBLOB="0800d354", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32=r4], 0x90}}, 0x0) 10:33:40 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$nbd(&(0x7f0000000380), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000000c0)=ANY=[@ANYBLOB="90000000", @ANYRES16=r2, @ANYBLOB="01000000000000000007010000000c00050000000000000000000c0002000000000000000000040007800c0008000000000000000000080001"], 0x90}}, 0x0) [ 2965.527594][T16923] netlink: 76 bytes leftover after parsing attributes in process `syz-executor.0'. [ 2965.597461][T16925] netlink: 76 bytes leftover after parsing attributes in process `syz-executor.3'. [ 2965.710300][T16933] netlink: 8 bytes leftover after parsing attributes in process `syz-executor.4'. [ 2965.765347][T16933] netlink: 4 bytes leftover after parsing attributes in process `syz-executor.4'. [ 2965.817589][T16933] block nbd0: Unsupported socket: shutdown callout must be supported. [ 2965.865487][T16935] block nbd0: Unsupported socket: shutdown callout must be supported. [ 2966.083773][T16889] device gretap0 entered promiscuous mode [ 2966.098443][T16889] device gretap0 left promiscuous mode [ 2966.130940][T16889] ‘|‚ªu: renamed from gretap0 [ 2966.140608][T16889] ‘|‚ªu: default qdisc (pfifo_fast) fail, fallback to noqueue [ 2966.171217][T16889] A link change request failed with some changes committed already. Interface ‘|‚ªu may have been left with an inconsistent configuration, please check. [ 2966.238432][T16889] lo speed is unknown, defaulting to 1000 [ 2966.370009][T16889] device ‘|‚ªu entered promiscuous mode 10:33:41 executing program 5: unshare(0x40000000) mmap(&(0x7f0000000000/0xb36000)=nil, 0xb36000, 0x3, 0x8031, 0xffffffffffffffff, 0x0) unshare(0x0) r0 = socket$netlink(0x10, 0x3, 0x0) writev(r0, &(0x7f0000000080)=[{&(0x7f00000000c0)="390000001300090468fe0700000000000000ff3f04000000480100100000000004002b000a00010014a4ee1ee438d2fd000000000000007200", 0x39}], 0x1) r1 = socket$nl_route(0x10, 0x3, 0x0) sendmsg$netlink(r1, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000100)=[{&(0x7f00000001c0)=ANY=[@ANYBLOB="2800000013000100000000000000000008000000", @ANYRES32=r1, @ANYBLOB='\f\x00\x00\x00', @ANYRES32=0x0, @ANYBLOB="08000d002e14f9"], 0x28}], 0x1}, 0x0) writev(r0, &(0x7f0000000000)=[{&(0x7f0000000040)="3900000013001104680907021500000f0000ff3f04000000290a001700000000040037000a00030014917c82aa75b9a64411f6a4ee1ee438d2", 0x39}], 0x1) 10:33:41 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000380), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000000c0)=ANY=[@ANYBLOB="90000000", @ANYRES16=r2, @ANYBLOB="01000000000000000000010000000c000500000000ffffff9e000c0002000000000000000000040007800c0008000000000000000000080001"], 0x90}}, 0x0) 10:33:41 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000380), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000000c0)=ANY=[@ANYBLOB="90000000", @ANYRES16=r2, @ANYBLOB="01000000000000000000010000000c00050000000007000000000c0002000000000000000000040007800c0008000000000000000000080001"], 0x90}}, 0x0) 10:33:41 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000380), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000000c0)=ANY=[@ANYBLOB="90000000", @ANYRES16=r2, @ANYBLOB="01000000000000000000010000000c000500000000960e07e1000c0002000000000000000000040007800c0008000000000000000000080001"], 0x90}}, 0x0) 10:33:41 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000380), r0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000000)) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) r4 = socket$netlink(0x10, 0x3, 0x0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000000c0)=ANY=[@ANYBLOB="90000000", @ANYRES16=r2, @ANYBLOB="01000000000000007400010000000c00050000000000000000000c0002000000000000000000040007800c000800000000000000000008000100000000004400078008000100", @ANYRES32, @ANYBLOB="38000100", @ANYRES32=r3, @ANYBLOB="08000100", @ANYBLOB="0800d354", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32=r4], 0x90}}, 0x0) 10:33:41 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$nbd(&(0x7f0000000380), r0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000000)) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) r4 = socket$netlink(0x10, 0x3, 0x0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000000c0)=ANY=[@ANYBLOB="90000000", @ANYRES16=r2, @ANYBLOB="01000000000000000000010000000c000500000000000000006c0c0002000000000000000000040007800c000800000000000000000008000100000000004400078008000100", @ANYRES32, @ANYBLOB="38000100", @ANYRES32=r3, @ANYBLOB="08000100", @ANYBLOB="0800d354", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32=r4], 0x90}}, 0x0) [ 2966.732286][T16971] block nbd0: Unsupported socket: shutdown callout must be supported. 10:33:41 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000380), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000000c0)=ANY=[@ANYBLOB="90000000", @ANYRES16=r2, @ANYBLOB="01000000000000000000010000000c000500000000fffffff0000c0002000000000000000000040007800c0008000000000000000000080001"], 0x90}}, 0x0) [ 2966.791727][T16974] block nbd0: Unsupported socket: shutdown callout must be supported. [ 2966.819900][T16978] block nbd0: Unsupported socket: shutdown callout must be supported. 10:33:42 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000380), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000000c0)=ANY=[@ANYBLOB="90000000", @ANYRES16=r2, @ANYBLOB="01000000000000000000010000000c00050000000009000000000c0002000000000000000000040007800c0008000000000000000000080001"], 0x90}}, 0x0) 10:33:42 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000380), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000000c0)=ANY=[@ANYBLOB="90000000", @ANYRES16=r2, @ANYBLOB="01000000000000000000010000000c000500000000fffffff0000c0002000000000000000000040007800c0008000000000000000000080001"], 0x90}}, 0x0) 10:33:42 executing program 1: socketpair$unix(0x1, 0x5, 0x0, &(0x7f0000000000)={0xffffffffffffffff}) ioctl$sock_SIOCGIFINDEX(r0, 0x8933, &(0x7f00000000c0)={'bridge_slave_0\x00', 0x0}) r2 = socket$inet6_udplite(0xa, 0x2, 0x88) ioctl$sock_SIOCGIFINDEX(r2, 0x8933, &(0x7f0000000080)={'bridge0\x00', 0x0}) r4 = socket(0x10, 0x803, 0x0) sendmsg$nl_route(r4, &(0x7f0000000240)={0x0, 0x0, &(0x7f00000001c0)={&(0x7f0000000040)=@RTM_NEWMDB={0x38, 0x54, 0x1, 0x0, 0xf000000, {0x7, r3}, [@MDBA_SET_ENTRY={0x20, 0x1, {r1, 0x0, 0x0, 0x0, {@in6_addr=@mcast1}}}]}, 0x38}}, 0x0) [ 2966.903505][T16976] lo speed is unknown, defaulting to 1000 10:33:42 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$nbd(&(0x7f0000000380), r0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000000)) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) r4 = socket$netlink(0x10, 0x3, 0x0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000000c0)=ANY=[@ANYBLOB="90000000", @ANYRES16=r2, @ANYBLOB="01000000000000000000010000000c00050000000000000000740c0002000000000000000000040007800c000800000000000000000008000100000000004400078008000100", @ANYRES32, @ANYBLOB="38000100", @ANYRES32=r3, @ANYBLOB="08000100", @ANYBLOB="0800d354", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32=r4], 0x90}}, 0x0) 10:33:42 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000380), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000000c0)=ANY=[@ANYBLOB="90000000", @ANYRES16=r2, @ANYBLOB="01000000000000000000010000000c00050000000000f0ffff000c0002000000000000000000040007800c0008000000000000000000080001"], 0x90}}, 0x0) [ 2967.300783][T17014] block nbd0: Unsupported socket: shutdown callout must be supported. [ 2967.389133][T17016] block nbd0: Unsupported socket: shutdown callout must be supported. [ 2967.804140][T16976] device gretap0 entered promiscuous mode [ 2967.821264][T16976] device gretap0 left promiscuous mode [ 2967.828190][T16976] ‘|‚ªu: renamed from gretap0 [ 2967.857726][T16976] ‘|‚ªu: default qdisc (pfifo_fast) fail, fallback to noqueue [ 2967.879281][T16976] A link change request failed with some changes committed already. Interface ‘|‚ªu may have been left with an inconsistent configuration, please check. [ 2967.924360][T16976] lo speed is unknown, defaulting to 1000 [ 2968.297781][T17049] device ‘|‚ªu left promiscuous mode [ 2968.303816][T17049] ‘|‚ªu: refused to change device tx_queue_len 10:33:43 executing program 5: unshare(0x40000000) mmap(&(0x7f0000000000/0xb36000)=nil, 0xb36000, 0x3, 0x8031, 0xffffffffffffffff, 0x0) unshare(0x0) r0 = socket$netlink(0x10, 0x3, 0x0) writev(r0, &(0x7f0000000080)=[{&(0x7f00000000c0)="390000001300090468fe0700000000000000ff3f04000000480100100000000004002b000a00010014a4ee1ee438d2fd000000000000007200", 0x39}], 0x1) r1 = socket$nl_route(0x10, 0x3, 0x0) sendmsg$netlink(r1, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000100)=[{&(0x7f00000001c0)=ANY=[@ANYBLOB="2800000013000100000000000000000008000000", @ANYRES32=r1, @ANYBLOB='\f\x00\x00\x00', @ANYRES32=0x0, @ANYBLOB="08000d002e14f9"], 0x28}], 0x1}, 0x0) writev(r0, &(0x7f0000000000)=[{&(0x7f0000000040)="3900000013001104680907641600000f0000ff3f04000000290a001700000000040037000a00030014917c82aa75b9a64411f6a4ee1ee438d2", 0x39}], 0x1) 10:33:43 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$nbd(&(0x7f0000000380), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000000c0)=ANY=[@ANYBLOB="90000000", @ANYRES16=r2, @ANYBLOB="01000000000000000000010000000c0005000000000a000000000c0002000000000000000000040007800c0008000000000000000000080001"], 0x90}}, 0x0) 10:33:43 executing program 1: unshare(0x40000000) mmap(&(0x7f0000000000/0xb36000)=nil, 0xb36000, 0x3, 0x8031, 0xffffffffffffffff, 0x0) unshare(0x0) r0 = socket$netlink(0x10, 0x3, 0x0) writev(r0, &(0x7f0000000080)=[{&(0x7f00000000c0)="390000001300090468fe0700000000000000ff3f04000000480100100000000004002b000a00010014a4ee1ee438d2fd000000000000007200", 0x39}], 0x1) r1 = socket$nl_route(0x10, 0x3, 0x0) sendmsg$netlink(r1, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000100)=[{&(0x7f00000001c0)=ANY=[@ANYBLOB="2800000013000100000000000000000008000000", @ANYRES32=r1, @ANYBLOB='\f\x00\x00\x00', @ANYRES32=0x0, @ANYBLOB="08000d002e14f9"], 0x28}], 0x1}, 0x0) writev(r0, &(0x7f0000000000)=[{&(0x7f0000000040)="3900006813001104680907000000000f0000ff3f04000000290a001700000000040037000a00030014917c82aa75b9a64411f6a4ee1ee438d2", 0x39}], 0x1) 10:33:43 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000380), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000000c0)=ANY=[@ANYBLOB="90000000", @ANYRES16=r2, @ANYBLOB="01000000000000000000010000000c00050000000000f0ffff000c0002000000000000000000040007800c0008000000000000000000080001"], 0x90}}, 0x0) 10:33:43 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000380), r0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000000)) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) r4 = socket$netlink(0x10, 0x3, 0x0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000000c0)=ANY=[@ANYBLOB="90000000", @ANYRES16=r2, @ANYBLOB="01000000000000000000010000000c000500000000000000007a0c0002000000000000000000040007800c000800000000000000000008000100000000004400078008000100", @ANYRES32, @ANYBLOB="38000100", @ANYRES32=r3, @ANYBLOB="08000100", @ANYBLOB="0800d354", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32=r4], 0x90}}, 0x0) 10:33:43 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000380), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000000c0)=ANY=[@ANYBLOB="90000000", @ANYRES16=r2, @ANYBLOB="01000000000000000000010000000c0005000000007fffffff000c0002000000000000000000040007800c0008000000000000000000080001"], 0x90}}, 0x0) [ 2968.590352][T17056] block nbd0: Unsupported socket: shutdown callout must be supported. [ 2968.680203][T17058] lo speed is unknown, defaulting to 1000 [ 2968.710986][T17064] block nbd0: Unsupported socket: shutdown callout must be supported. 10:33:43 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$nbd(&(0x7f0000000380), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000000c0)=ANY=[@ANYBLOB="90000000", @ANYRES16=r2, @ANYBLOB="01000000000000000000010000000c0005000000000f000000000c0002000000000000000000040007800c0008000000000000000000080001"], 0x90}}, 0x0) 10:33:43 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000380), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000000c0)=ANY=[@ANYBLOB="90000000", @ANYRES16=r2, @ANYBLOB="01000000000000000000010000000c0005000000009effffff000c0002000000000000000000040007800c0008000000000000000000080001"], 0x90}}, 0x0) 10:33:43 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$nbd(&(0x7f0000000380), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000000c0)=ANY=[@ANYBLOB="90000000", @ANYRES16=r2, @ANYBLOB="01000000000000000000010000000c0005000000007fffffff000c0002000000000000000000040007800c0008000000000000000000080001"], 0x90}}, 0x0) 10:33:44 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$nbd(&(0x7f0000000380), r0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000000)) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) r4 = socket$netlink(0x10, 0x3, 0x0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000000c0)=ANY=[@ANYBLOB="90000000", @ANYRES16=r2, @ANYBLOB="01000000000000000000010000000c00050000000000000000f00c0002000000000000000000040007800c000800000000000000000008000100000000004400078008000100", @ANYRES32, @ANYBLOB="38000100", @ANYRES32=r3, @ANYBLOB="08000100", @ANYBLOB="0800d354", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32=r4], 0x90}}, 0x0) [ 2968.967688][T17063] lo speed is unknown, defaulting to 1000 10:33:44 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000380), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000000c0)=ANY=[@ANYBLOB="90000000", @ANYRES16=r2, @ANYBLOB="01000000000000000000010000000c0005000000a015000000000c0002000000000000000000040007800c0008000000000000000000080001"], 0x90}}, 0x0) 10:33:44 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000380), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000000c0)=ANY=[@ANYBLOB="90000000", @ANYRES16=r2, @ANYBLOB="01000000000000000000010000000c0005000000009effffff000c0002000000000000000000040007800c0008000000000000000000080001"], 0x90}}, 0x0) [ 2969.222499][T17107] block nbd0: Unsupported socket: shutdown callout must be supported. [ 2969.283693][T17114] block nbd0: Unsupported socket: shutdown callout must be supported. [ 2969.672151][T17058] device gretap0 entered promiscuous mode [ 2969.682481][T17058] device gretap0 left promiscuous mode [ 2969.835004][T17063] device gretap0 entered promiscuous mode [ 2969.841242][T17069] ‘|‚ªu: refused to change device tx_queue_len [ 2969.847766][T17131] ‘|‚ªu: renamed from gretap0 [ 2969.855277][T17131] device ‘|‚ªu left promiscuous mode [ 2969.879390][T17131] A link change request failed with some changes committed already. Interface ‘|‚ªu may have been left with an inconsistent configuration, please check. [ 2970.057145][T17063] lo speed is unknown, defaulting to 1000 [ 2970.085254][T17131] __nla_validate_parse: 57 callbacks suppressed [ 2970.085273][T17131] netlink: 9 bytes leftover after parsing attributes in process `syz-executor.5'. [ 2970.127445][T17131] device ‘|‚ªu entered promiscuous mode 10:33:45 executing program 5: unshare(0x40000000) mmap(&(0x7f0000000000/0xb36000)=nil, 0xb36000, 0x3, 0x8031, 0xffffffffffffffff, 0x0) unshare(0x0) r0 = socket$netlink(0x10, 0x3, 0x0) writev(r0, &(0x7f0000000080)=[{&(0x7f00000000c0)="390000001300090468fe0700000000000000ff3f04000000480100100000000004002b000a00010014a4ee1ee438d2fd000000000000007200", 0x39}], 0x1) r1 = socket$nl_route(0x10, 0x3, 0x0) sendmsg$netlink(r1, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000100)=[{&(0x7f00000001c0)=ANY=[@ANYBLOB="2800000013000100000000000000000008000000", @ANYRES32=r1, @ANYBLOB='\f\x00\x00\x00', @ANYRES32=0x0, @ANYBLOB="08000d002e14f9"], 0x28}], 0x1}, 0x0) writev(r0, &(0x7f0000000000)=[{&(0x7f0000000040)="3900000013001104680907651600000f0000ff3f04000000290a001700000000040037000a00030014917c82aa75b9a64411f6a4ee1ee438d2", 0x39}], 0x1) 10:33:45 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$nbd(&(0x7f0000000380), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000000c0)=ANY=[@ANYBLOB="90000000", @ANYRES16=r2, @ANYBLOB="01000000000000000000010000000c0005000000001f000000000c0002000000000000000000040007800c0008000000000000000000080001"], 0x90}}, 0x0) 10:33:45 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000380), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000000c0)=ANY=[@ANYBLOB="90000000", @ANYRES16=r2, @ANYBLOB="01000000000000000000010000000c000500000000f0ffffff000c0002000000000000000000040007800c0008000000000000000000080001"], 0x90}}, 0x0) 10:33:45 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$nbd(&(0x7f0000000380), r0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000000)) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) r4 = socket$netlink(0x10, 0x3, 0x0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000000c0)=ANY=[@ANYBLOB="90000000", @ANYRES16=r2, @ANYBLOB="01000000000000000000010000000c0005000000000000000000030002000000000000000000040007800c000800000000000000000008000100000000004400078008000100", @ANYRES32, @ANYBLOB="38000100", @ANYRES32=r3, @ANYBLOB="08000100", @ANYBLOB="0800d354", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32=r4], 0x90}}, 0x0) 10:33:45 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000380), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000000c0)=ANY=[@ANYBLOB="90000000", @ANYRES16=r2, @ANYBLOB="01000000000000000000010000000c000500000000f0ffffff000c0002000000000000000000040007800c0008000000000000000000080001"], 0x90}}, 0x0) 10:33:45 executing program 1: unshare(0x40000000) mmap(&(0x7f0000000000/0xb36000)=nil, 0xb36000, 0x3, 0x8031, 0xffffffffffffffff, 0x0) unshare(0x0) r0 = socket$netlink(0x10, 0x3, 0x0) writev(r0, &(0x7f0000000080)=[{&(0x7f00000000c0)="390000001300090468fe0700000000000000ff3f04000000480100100000000004002b000a00010014a4ee1ee438d2fd000000000000007200", 0x39}], 0x1) r1 = socket$nl_route(0x10, 0x3, 0x0) sendmsg$netlink(r1, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000100)=[{&(0x7f00000001c0)=ANY=[@ANYBLOB="2800000013000100000000000000000008000000", @ANYRES32=r1, @ANYBLOB='\f\x00\x00\x00', @ANYRES32=0x0, @ANYBLOB="08000d002e14f9"], 0x28}], 0x1}, 0x0) writev(r0, &(0x7f0000000000)=[{&(0x7f0000000040)="3900166713001104680907000000000f0000ff3f04000000290a001700000000040037000a00030014917c82aa75b9a64411f6a4ee1ee438d2", 0x39}], 0x1) [ 2970.555398][T17168] netlink: 112 bytes leftover after parsing attributes in process `syz-executor.4'. [ 2970.576322][T17168] nbd: must specify at least one socket [ 2970.596837][T17167] netlink: 76 bytes leftover after parsing attributes in process `syz-executor.3'. [ 2970.640316][T17170] lo speed is unknown, defaulting to 1000 [ 2970.656492][T17163] netlink: 76 bytes leftover after parsing attributes in process `syz-executor.2'. [ 2970.681605][T17165] lo speed is unknown, defaulting to 1000 [ 2970.694186][T17179] netlink: 112 bytes leftover after parsing attributes in process `syz-executor.4'. 10:33:45 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$nbd(&(0x7f0000000380), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000000c0)=ANY=[@ANYBLOB="90000000", @ANYRES16=r2, @ANYBLOB="01000000000000000000010000000c00050000000020000000000c0002000000000000000000040007800c0008000000000000000000080001"], 0x90}}, 0x0) [ 2970.765007][T17179] nbd: must specify at least one socket 10:33:46 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$nbd(&(0x7f0000000380), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000000c0)=ANY=[@ANYBLOB="90000000", @ANYRES16=r2, @ANYBLOB="01000000000000000000010000000c00050000000000020000000c0002000000000000000000040007800c0008000000000000000000080001"], 0x90}}, 0x0) 10:33:46 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000380), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000000c0)=ANY=[@ANYBLOB="90000000", @ANYRES16=r2, @ANYBLOB="01000000000000000000010000000c00050000000000020000000c0002000000000000000000040007800c0008000000000000000000080001"], 0x90}}, 0x0) 10:33:46 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$nbd(&(0x7f0000000380), r0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000000)) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) r4 = socket$netlink(0x10, 0x3, 0x0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000000c0)=ANY=[@ANYBLOB="90000000", @ANYRES16=r2, @ANYBLOB="01000000000000000000010000000c00050000000000000000020c0002000000000000000000040007800c000800000000000000000008000100000000004400078008000100", @ANYRES32, @ANYBLOB="38000100", @ANYRES32=r3, @ANYBLOB="08000100", @ANYBLOB="0800d354", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32=r4], 0x90}}, 0x0) [ 2971.033577][T17222] netlink: 76 bytes leftover after parsing attributes in process `syz-executor.0'. [ 2971.101538][T17224] netlink: 76 bytes leftover after parsing attributes in process `syz-executor.2'. [ 2971.145083][T17226] netlink: 76 bytes leftover after parsing attributes in process `syz-executor.3'. 10:33:46 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000380), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000000c0)=ANY=[@ANYBLOB="90000000", @ANYRES16=r2, @ANYBLOB="01000000000000000000010000000c0005000000003f000000000c0002000000000000000000040007800c0008000000000000000000080001"], 0x90}}, 0x0) [ 2971.210539][T17227] netlink: 8 bytes leftover after parsing attributes in process `syz-executor.4'. [ 2971.238393][T17227] netlink: 4 bytes leftover after parsing attributes in process `syz-executor.4'. [ 2971.290755][T17227] block nbd0: Unsupported socket: shutdown callout must be supported. [ 2971.376407][T17233] block nbd0: Unsupported socket: shutdown callout must be supported. 10:33:46 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000380), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000000c0)=ANY=[@ANYBLOB="90000000", @ANYRES16=r2, @ANYBLOB="01000000000000000000010000000c00050000000000030000000c0002000000000000000000040007800c0008000000000000000000080001"], 0x90}}, 0x0) [ 2971.558976][T17170] device gretap0 entered promiscuous mode [ 2971.575882][T17170] device gretap0 left promiscuous mode [ 2971.592433][T17170] ‘|‚ªu: renamed from gretap0 [ 2971.616976][T17170] ‘|‚ªu: default qdisc (pfifo_fast) fail, fallback to noqueue [ 2971.644341][T17170] A link change request failed with some changes committed already. Interface ‘|‚ªu may have been left with an inconsistent configuration, please check. [ 2971.677173][T17165] device gretap0 entered promiscuous mode [ 2971.689646][T17171] ‘|‚ªu: refused to change device tx_queue_len [ 2971.773252][T17170] lo speed is unknown, defaulting to 1000 [ 2972.277319][T17267] device ‘|‚ªu left promiscuous mode [ 2972.284510][T17267] ‘|‚ªu: refused to change device tx_queue_len 10:33:47 executing program 5: unshare(0x40000000) mmap(&(0x7f0000000000/0xb36000)=nil, 0xb36000, 0x3, 0x8031, 0xffffffffffffffff, 0x0) unshare(0x0) r0 = socket$netlink(0x10, 0x3, 0x0) writev(r0, &(0x7f0000000080)=[{&(0x7f00000000c0)="390000001300090468fe0700000000000000ff3f04000000480100100000000004002b000a00010014a4ee1ee438d2fd000000000000007200", 0x39}], 0x1) r1 = socket$nl_route(0x10, 0x3, 0x0) sendmsg$netlink(r1, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000100)=[{&(0x7f00000001c0)=ANY=[@ANYBLOB="2800000013000100000000000000000008000000", @ANYRES32=r1, @ANYBLOB='\f\x00\x00\x00', @ANYRES32=0x0, @ANYBLOB="08000d002e14f9"], 0x28}], 0x1}, 0x0) writev(r0, &(0x7f0000000000)=[{&(0x7f0000000040)="3900000013001104680907661600000f0000ff3f04000000290a001700000000040037000a00030014917c82aa75b9a64411f6a4ee1ee438d2", 0x39}], 0x1) 10:33:47 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$nbd(&(0x7f0000000380), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000000c0)=ANY=[@ANYBLOB="90000000", @ANYRES16=r2, @ANYBLOB="01000000000000000000010000000c00050000000048000000000c0002000000000000000000040007800c0008000000000000000000080001"], 0x90}}, 0x0) 10:33:47 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$nbd(&(0x7f0000000380), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000000c0)=ANY=[@ANYBLOB="90000000", @ANYRES16=r2, @ANYBLOB="01000000000000000000010000000c00050000000000030000000c0002000000000000000000040007800c0008000000000000000000080001"], 0x90}}, 0x0) 10:33:47 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$nbd(&(0x7f0000000380), r0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000000)) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) r4 = socket$netlink(0x10, 0x3, 0x0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000000c0)=ANY=[@ANYBLOB="90000000", @ANYRES16=r2, @ANYBLOB="01000000000000000000010000000c00050000000000000000030c0002000000000000000000040007800c000800000000000000000008000100000000004400078008000100", @ANYRES32, @ANYBLOB="38000100", @ANYRES32=r3, @ANYBLOB="08000100", @ANYBLOB="0800d354", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32=r4], 0x90}}, 0x0) 10:33:47 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000380), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000000c0)=ANY=[@ANYBLOB="90000000", @ANYRES16=r2, @ANYBLOB="01000000000000000000010000000c00050000000000040000000c0002000000000000000000040007800c0008000000000000000000080001"], 0x90}}, 0x0) 10:33:47 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000380), r0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000000)) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) r4 = socket$netlink(0x10, 0x3, 0x0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000000c0)=ANY=[@ANYBLOB="90000000", @ANYRES16=r2, @ANYBLOB="01000000000074000000010000000c00050000000000000000000c0002000000000000000000040007800c000800000000000000000008000100000000004400078008000100", @ANYRES32, @ANYBLOB="38000100", @ANYRES32=r3, @ANYBLOB="08000100", @ANYBLOB="0800d354", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32=r4], 0x90}}, 0x0) [ 2972.677776][T17278] block nbd0: Unsupported socket: shutdown callout must be supported. [ 2972.711326][T17276] block nbd0: Unsupported socket: shutdown callout must be supported. 10:33:47 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000380), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000000c0)=ANY=[@ANYBLOB="90000000", @ANYRES16=r2, @ANYBLOB="01000000000000000000010000000c00050000000000050000000c0002000000000000000000040007800c0008000000000000000000080001"], 0x90}}, 0x0) [ 2972.778316][T17283] lo speed is unknown, defaulting to 1000 10:33:47 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$nbd(&(0x7f0000000380), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000000c0)=ANY=[@ANYBLOB="90000000", @ANYRES16=r2, @ANYBLOB="01000000000000000000010000000c00050000000000040000000c0002000000000000000000040007800c0008000000000000000000080001"], 0x90}}, 0x0) 10:33:48 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$nbd(&(0x7f0000000380), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000000c0)=ANY=[@ANYBLOB="90000000", @ANYRES16=r2, @ANYBLOB="01000000000000000000010000000c0005000000004c000000000c0002000000000000000000040007800c0008000000000000000000080001"], 0x90}}, 0x0) 10:33:48 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$nbd(&(0x7f0000000380), r0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000000)) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) r4 = socket$netlink(0x10, 0x3, 0x0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000000c0)=ANY=[@ANYBLOB="90000000", @ANYRES16=r2, @ANYBLOB="01000000000000000000010000000c00050000000000000000040c0002000000000000000000040007800c000800000000000000000008000100000000004400078008000100", @ANYRES32, @ANYBLOB="38000100", @ANYRES32=r3, @ANYBLOB="08000100", @ANYBLOB="0800d354", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32=r4], 0x90}}, 0x0) 10:33:48 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000380), r0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000000)) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) r4 = socket$netlink(0x10, 0x3, 0x0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000000c0)=ANY=[@ANYBLOB="90000000", @ANYRES16=r2, @ANYBLOB="01000000000060000000010000000c00050000000000000000000c0002000000000000000000040007800c000800000000000000000008000100000000004400078008000100", @ANYRES32, @ANYBLOB="38000100", @ANYRES32=r3, @ANYBLOB="08000100", @ANYBLOB="0800d354", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32=r4], 0x90}}, 0x0) [ 2973.083435][T17311] block nbd0: Unsupported socket: shutdown callout must be supported. 10:33:48 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000380), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000000c0)=ANY=[@ANYBLOB="90000000", @ANYRES16=r2, @ANYBLOB="01000000000000000000010000000c00050000000000060000000c0002000000000000000000040007800c0008000000000000000000080001"], 0x90}}, 0x0) [ 2973.146613][T17317] block nbd0: Unsupported socket: shutdown callout must be supported. [ 2973.232142][T17321] block nbd0: Unsupported socket: shutdown callout must be supported. [ 2973.577340][T17283] device gretap0 entered promiscuous mode [ 2973.589516][T17283] device gretap0 left promiscuous mode [ 2973.608643][T17283] ‘|‚ªu: renamed from gretap0 [ 2973.631688][T17283] ‘|‚ªu: default qdisc (pfifo_fast) fail, fallback to noqueue [ 2973.663797][T17283] A link change request failed with some changes committed already. Interface ‘|‚ªu may have been left with an inconsistent configuration, please check. [ 2973.752016][T17283] lo speed is unknown, defaulting to 1000 [ 2973.844717][T17327] device ‘|‚ªu entered promiscuous mode [ 2973.871370][T17344] device ‘|‚ªu left promiscuous mode [ 2973.879471][T17344] ‘|‚ªu: refused to change device tx_queue_len 10:33:51 executing program 5: unshare(0x40000000) mmap(&(0x7f0000000000/0xb36000)=nil, 0xb36000, 0x3, 0x8031, 0xffffffffffffffff, 0x0) unshare(0x0) r0 = socket$netlink(0x10, 0x3, 0x0) writev(r0, &(0x7f0000000080)=[{&(0x7f00000000c0)="390000001300090468fe0700000000000000ff3f04000000480100100000000004002b000a00010014a4ee1ee438d2fd000000000000007200", 0x39}], 0x1) r1 = socket$nl_route(0x10, 0x3, 0x0) sendmsg$netlink(r1, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000100)=[{&(0x7f00000001c0)=ANY=[@ANYBLOB="2800000013000100000000000000000008000000", @ANYRES32=r1, @ANYBLOB='\f\x00\x00\x00', @ANYRES32=0x0, @ANYBLOB="08000d002e14f9"], 0x28}], 0x1}, 0x0) writev(r0, &(0x7f0000000000)=[{&(0x7f0000000040)="3900000013001104680907671600000f0000ff3f04000000290a001700000000040037000a00030014917c82aa75b9a64411f6a4ee1ee438d2", 0x39}], 0x1) 10:33:51 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000380), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000000c0)=ANY=[@ANYBLOB="90000000", @ANYRES16=r2, @ANYBLOB="01000000000000000000010000000c00050000000060000000000c0002000000000000000000040007800c0008000000000000000000080001"], 0x90}}, 0x0) 10:33:51 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000380), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000000c0)=ANY=[@ANYBLOB="90000000", @ANYRES16=r2, @ANYBLOB="01000000000000000000010000000c00050000000000050000000c0002000000000000000000040007800c0008000000000000000000080001"], 0x90}}, 0x0) 10:33:51 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000380), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000000c0)=ANY=[@ANYBLOB="90000000", @ANYRES16=r2, @ANYBLOB="01000000007400000000010000000c00050000000000000000000c0002000000000000000000040007800c0008000000000000000000080001"], 0x90}}, 0x0) 10:33:51 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000380), r0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000000)) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) r4 = socket$netlink(0x10, 0x3, 0x0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000000c0)=ANY=[@ANYBLOB="90000000", @ANYRES16=r2, @ANYBLOB="01000000000000000000010000000c00050000000000000000050c0002000000000000000000040007800c000800000000000000000008000100000000004400078008000100", @ANYRES32, @ANYBLOB="38000100", @ANYRES32=r3, @ANYBLOB="08000100", @ANYBLOB="0800d354", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32=r4], 0x90}}, 0x0) 10:33:51 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000380), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000000c0)=ANY=[@ANYBLOB="90000000", @ANYRES16=r2, @ANYBLOB="01000000000000000000010000000c00050000000000070000000c0002000000000000000000040007800c0008000000000000000000080001"], 0x90}}, 0x0) [ 2976.231851][T17378] __nla_validate_parse: 38 callbacks suppressed [ 2976.231871][T17378] netlink: 8 bytes leftover after parsing attributes in process `syz-executor.4'. [ 2976.269409][T17378] netlink: 4 bytes leftover after parsing attributes in process `syz-executor.4'. [ 2976.292970][T17378] netlink: 4 bytes leftover after parsing attributes in process `syz-executor.4'. [ 2976.306379][T17378] block nbd0: Unsupported socket: shutdown callout must be supported. [ 2976.317590][T17383] lo speed is unknown, defaulting to 1000 [ 2976.399634][T17394] netlink: 8 bytes leftover after parsing attributes in process `syz-executor.4'. 10:33:51 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000380), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000000c0)=ANY=[@ANYBLOB="90000000", @ANYRES16=r2, @ANYBLOB="01000000000000000000010000000c00050000000000090000000c0002000000000000000000040007800c0008000000000000000000080001"], 0x90}}, 0x0) [ 2976.462299][T17394] netlink: 4 bytes leftover after parsing attributes in process `syz-executor.4'. 10:33:51 executing program 1: unshare(0x40000000) mmap(&(0x7f0000000000/0xb36000)=nil, 0xb36000, 0x3, 0x8031, 0xffffffffffffffff, 0x0) unshare(0x0) r0 = socket$netlink(0x10, 0x3, 0x0) writev(r0, &(0x7f0000000080)=[{&(0x7f00000000c0)="390000001300090468fe0700000000000000ff3f04000000480100100000000004002b000a00010014a4ee1ee438d2fd000000000000007200", 0x39}], 0x1) r1 = socket$nl_route(0x10, 0x3, 0x0) sendmsg$netlink(r1, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000100)=[{&(0x7f00000001c0)=ANY=[@ANYBLOB="2800000013000100000000000000000008000000", @ANYRES32=r1, @ANYBLOB='\f\x00\x00\x00', @ANYRES32=0x0, @ANYBLOB="08000d002e14f9"], 0x28}], 0x1}, 0x0) writev(r0, &(0x7f0000000000)=[{&(0x7f0000000040)="3900035c13001104680907000000000f0000ff3f04000000290a001700000000040037000a00030014917c82aa75b9a64411f6a4ee1ee438d2", 0x39}], 0x1) 10:33:51 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000380), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000000c0)=ANY=[@ANYBLOB="90000000", @ANYRES16=r2, @ANYBLOB="01000000000000000000010000000c00050000000068000000000c0002000000000000000000040007800c0008000000000000000000080001"], 0x90}}, 0x0) 10:33:51 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000380), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000000c0)=ANY=[@ANYBLOB="90000000", @ANYRES16=r2, @ANYBLOB="01000000000000000000010000000c00050000000000060000000c0002000000000000000000040007800c0008000000000000000000080001"], 0x90}}, 0x0) [ 2976.562267][T17394] netlink: 4 bytes leftover after parsing attributes in process `syz-executor.4'. [ 2976.689561][T17416] netlink: 76 bytes leftover after parsing attributes in process `syz-executor.0'. 10:33:51 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000380), r0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000000)) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) r4 = socket$netlink(0x10, 0x3, 0x0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000000c0)=ANY=[@ANYBLOB="90000000", @ANYRES16=r2, @ANYBLOB="01000000000000000000010000000c00050000000000000000060c0002000000000000000000040007800c000800000000000000000008000100000000004400078008000100", @ANYRES32, @ANYBLOB="38000100", @ANYRES32=r3, @ANYBLOB="08000100", @ANYBLOB="0800d354", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32=r4], 0x90}}, 0x0) [ 2976.738891][T17418] netlink: 76 bytes leftover after parsing attributes in process `syz-executor.2'. [ 2976.761541][T17417] lo speed is unknown, defaulting to 1000 10:33:52 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$nbd(&(0x7f0000000380), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000000c0)=ANY=[@ANYBLOB="90000000", @ANYRES16=r2, @ANYBLOB="01000000000000000000010000000c0005000000006c000000000c0002000000000000000000040007800c0008000000000000000000080001"], 0x90}}, 0x0) [ 2976.972278][T17444] netlink: 8 bytes leftover after parsing attributes in process `syz-executor.4'. [ 2977.048667][T17444] netlink: 4 bytes leftover after parsing attributes in process `syz-executor.4'. [ 2977.105821][T17444] block nbd0: Unsupported socket: shutdown callout must be supported. [ 2977.181814][T17383] device gretap0 entered promiscuous mode [ 2977.193124][T17383] device gretap0 left promiscuous mode [ 2977.199181][T17452] block nbd0: Unsupported socket: shutdown callout must be supported. [ 2977.216855][T17383] ‘|‚ªu: renamed from gretap0 [ 2977.256448][T17383] ‘|‚ªu: default qdisc (pfifo_fast) fail, fallback to noqueue [ 2977.296704][T17383] A link change request failed with some changes committed already. Interface ‘|‚ªu may have been left with an inconsistent configuration, please check. [ 2977.392207][T17383] lo speed is unknown, defaulting to 1000 [ 2977.477772][T17450] device ‘|‚ªu entered promiscuous mode [ 2977.731197][T17417] device gretap0 entered promiscuous mode [ 2977.745008][T17417] device gretap0 left promiscuous mode [ 2977.947375][T17479] device ‘|‚ªu left promiscuous mode [ 2977.968322][T17479] ‘|‚ªu: refused to change device tx_queue_len 10:33:53 executing program 5: unshare(0x40000000) mmap(&(0x7f0000000000/0xb36000)=nil, 0xb36000, 0x3, 0x8031, 0xffffffffffffffff, 0x0) unshare(0x0) r0 = socket$netlink(0x10, 0x3, 0x0) writev(r0, &(0x7f0000000080)=[{&(0x7f00000000c0)="390000001300090468fe0700000000000000ff3f04000000480100100000000004002b000a00010014a4ee1ee438d2fd000000000000007200", 0x39}], 0x1) r1 = socket$nl_route(0x10, 0x3, 0x0) sendmsg$netlink(r1, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000100)=[{&(0x7f00000001c0)=ANY=[@ANYBLOB="2800000013000100000000000000000008000000", @ANYRES32=r1, @ANYBLOB='\f\x00\x00\x00', @ANYRES32=0x0, @ANYBLOB="08000d002e14f9"], 0x28}], 0x1}, 0x0) writev(r0, &(0x7f0000000000)=[{&(0x7f0000000040)="3900000013001104680907031900000f0000ff3f04000000290a001700000000040037000a00030014917c82aa75b9a64411f6a4ee1ee438d2", 0x39}], 0x1) 10:33:53 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000380), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000000c0)=ANY=[@ANYBLOB="90000000", @ANYRES16=r2, @ANYBLOB="01000000000000000000010000000c00050000000000070000000c0002000000000000000000040007800c0008000000000000000000080001"], 0x90}}, 0x0) 10:33:53 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000380), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000000c0)=ANY=[@ANYBLOB="90000000", @ANYRES16=r2, @ANYBLOB="01000000000000000000010000000c000500000000000a0000000c0002000000000000000000040007800c0008000000000000000000080001"], 0x90}}, 0x0) 10:33:53 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000380), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000000c0)=ANY=[@ANYBLOB="90000000", @ANYRES16=r2, @ANYBLOB="01000000000000000000010000000c00050000000074000000000c0002000000000000000000040007800c0008000000000000000000080001"], 0x90}}, 0x0) 10:33:53 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000380), r0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000000)) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) r4 = socket$netlink(0x10, 0x3, 0x0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000000c0)=ANY=[@ANYBLOB="90000000", @ANYRES16=r2, @ANYBLOB="01000000000000000000010000000c00050000000000000000070c0002000000000000000000040007800c000800000000000000000008000100000000004400078008000100", @ANYRES32, @ANYBLOB="38000100", @ANYRES32=r3, @ANYBLOB="08000100", @ANYBLOB="0800d354", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32=r4], 0x90}}, 0x0) 10:33:53 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$nbd(&(0x7f0000000380), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000000c0)=ANY=[@ANYBLOB="90000000", @ANYRES16=r2, @ANYBLOB="0100fffff00000000000010000000c00050000000000000000000c0002000000000000000000040007800c0008000000000000000000080001"], 0x90}}, 0x0) [ 2978.398160][T17488] block nbd0: Unsupported socket: shutdown callout must be supported. 10:33:53 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000380), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000000c0)=ANY=[@ANYBLOB="90000000", @ANYRES16=r2, @ANYBLOB="01000000000000000000010000000c000500000000000f0000000c0002000000000000000000040007800c0008000000000000000000080001"], 0x90}}, 0x0) 10:33:53 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$nbd(&(0x7f0000000380), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000000c0)=ANY=[@ANYBLOB="90000000", @ANYRES16=r2, @ANYBLOB="01000040030000000000010000000c00050000000000000000000c0002000000000000000000040007800c0008000000000000000000080001"], 0x90}}, 0x0) [ 2978.520662][T17497] block nbd0: Unsupported socket: shutdown callout must be supported. [ 2978.546434][T17494] lo speed is unknown, defaulting to 1000 10:33:53 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$nbd(&(0x7f0000000380), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000000c0)=ANY=[@ANYBLOB="90000000", @ANYRES16=r2, @ANYBLOB="01000000000000000000010000000c0005000000007a000000000c0002000000000000000000040007800c0008000000000000000000080001"], 0x90}}, 0x0) 10:33:53 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$nbd(&(0x7f0000000380), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000000c0)=ANY=[@ANYBLOB="90000000", @ANYRES16=r2, @ANYBLOB="01000000000000000000010000000c00050000000000090000000c0002000000000000000000040007800c0008000000000000000000080001"], 0x90}}, 0x0) 10:33:53 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$nbd(&(0x7f0000000380), r0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000000)) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) r4 = socket$netlink(0x10, 0x3, 0x0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000000c0)=ANY=[@ANYBLOB="90000000", @ANYRES16=r2, @ANYBLOB="01000000000000000000010000000c00050000000000000000090c0002000000000000000000040007800c000800000000000000000008000100000000004400078008000100", @ANYRES32, @ANYBLOB="38000100", @ANYRES32=r3, @ANYBLOB="08000100", @ANYBLOB="0800d354", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32=r4], 0x90}}, 0x0) 10:33:53 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000380), r0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000000)) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) r4 = socket$netlink(0x10, 0x3, 0x0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000000c0)=ANY=[@ANYBLOB="90000000", @ANYRES16=r2, @ANYBLOB="01000000000000000000010000000c00050000000000000000070c0002000000000000000000040007800c000800000000000000000008000100000000004400078008000100", @ANYRES32, @ANYBLOB="38000100", @ANYRES32=r3, @ANYBLOB="08000100", @ANYBLOB="0800d354", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32=r4], 0x90}}, 0x0) [ 2978.906275][T17526] block nbd0: Unsupported socket: shutdown callout must be supported. [ 2978.982484][T17534] block nbd0: Unsupported socket: shutdown callout must be supported. [ 2979.084586][T17535] block nbd0: Unsupported socket: shutdown callout must be supported. [ 2979.346483][T17494] device gretap0 entered promiscuous mode [ 2979.355048][T17494] device gretap0 left promiscuous mode [ 2979.370223][T17494] ‘|‚ªu: renamed from gretap0 [ 2979.380377][T17494] ‘|‚ªu: default qdisc (pfifo_fast) fail, fallback to noqueue [ 2979.391826][T17494] A link change request failed with some changes committed already. Interface ‘|‚ªu may have been left with an inconsistent configuration, please check. [ 2979.425696][T17494] lo speed is unknown, defaulting to 1000 [ 2979.512709][T17538] device ‘|‚ªu entered promiscuous mode [ 2979.850242][T17561] device ‘|‚ªu left promiscuous mode [ 2979.875988][T17561] ‘|‚ªu: refused to change device tx_queue_len 10:33:55 executing program 5: unshare(0x40000000) mmap(&(0x7f0000000000/0xb36000)=nil, 0xb36000, 0x3, 0x8031, 0xffffffffffffffff, 0x0) unshare(0x0) r0 = socket$netlink(0x10, 0x3, 0x0) writev(r0, &(0x7f0000000080)=[{&(0x7f00000000c0)="390000001300090468fe0700000000000000ff3f04000000480100100000000004002b000a00010014a4ee1ee438d2fd000000000000007200", 0x39}], 0x1) r1 = socket$nl_route(0x10, 0x3, 0x0) sendmsg$netlink(r1, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000100)=[{&(0x7f00000001c0)=ANY=[@ANYBLOB="2800000013000100000000000000000008000000", @ANYRES32=r1, @ANYBLOB='\f\x00\x00\x00', @ANYRES32=0x0, @ANYBLOB="08000d002e14f9"], 0x28}], 0x1}, 0x0) writev(r0, &(0x7f0000000000)=[{&(0x7f0000000040)="3900000013001104680907001d00000f0000ff3f04000000290a001700000000040037000a00030014917c82aa75b9a64411f6a4ee1ee438d2", 0x39}], 0x1) 10:33:55 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000380), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000000c0)=ANY=[@ANYBLOB="90000000", @ANYRES16=r2, @ANYBLOB="01000000000000000000010000000c000500000015a0000000000c0002000000000000000000040007800c0008000000000000000000080001"], 0x90}}, 0x0) 10:33:55 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000380), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000000c0)=ANY=[@ANYBLOB="90000000", @ANYRES16=r2, @ANYBLOB="01000000000000000000010000000c00050000000000480000000c0002000000000000000000040007800c0008000000000000000000080001"], 0x90}}, 0x0) 10:33:55 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000380), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000000c0)=ANY=[@ANYBLOB="90000000", @ANYRES16=r2, @ANYBLOB="01000000000000000000010000000c000500000000000a0000000c0002000000000000000000040007800c0008000000000000000000080001"], 0x90}}, 0x0) 10:33:55 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000380), r0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000000)) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) r4 = socket$netlink(0x10, 0x3, 0x0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000000c0)=ANY=[@ANYBLOB="90000000", @ANYRES16=r2, @ANYBLOB="01000000000000000000010000000c000500000000000000000a0c0002000000000000000000040007800c000800000000000000000008000100000000004400078008000100", @ANYRES32, @ANYBLOB="38000100", @ANYRES32=r3, @ANYBLOB="08000100", @ANYBLOB="0800d354", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32=r4], 0x90}}, 0x0) 10:33:55 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$nbd(&(0x7f0000000380), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000000c0)=ANY=[@ANYBLOB="90000000", @ANYRES16=r2, @ANYBLOB="0100006c000000000000010000000c00050000000000000000000c0002000000000000000000040007800c0008000000000000000000080001"], 0x90}}, 0x0) [ 2980.286021][T17572] block nbd0: Unsupported socket: shutdown callout must be supported. [ 2980.348401][T17577] lo speed is unknown, defaulting to 1000 [ 2980.374820][T17582] block nbd0: Unsupported socket: shutdown callout must be supported. 10:33:55 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$nbd(&(0x7f0000000380), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000000c0)=ANY=[@ANYBLOB="90000000", @ANYRES16=r2, @ANYBLOB="01000000000000000000010000000c000500000000000f0000000c0002000000000000000000040007800c0008000000000000000000080001"], 0x90}}, 0x0) 10:33:55 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$nbd(&(0x7f0000000380), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000000c0)=ANY=[@ANYBLOB="90000000", @ANYRES16=r2, @ANYBLOB="01000000000000000000010000000c000500000000f0000000000c0002000000000000000000040007800c0008000000000000000000080001"], 0x90}}, 0x0) 10:33:55 executing program 1: unshare(0x40000000) mmap(&(0x7f0000000000/0xb36000)=nil, 0xb36000, 0x3, 0x8031, 0xffffffffffffffff, 0x0) unshare(0x0) r0 = socket$netlink(0x10, 0x3, 0x0) writev(r0, &(0x7f0000000080)=[{&(0x7f00000000c0)="390000001300090468fe0700000000000000ff3f04000000480100100000000004002b000a00010014a4ee1ee438d2fd000000000000007200", 0x39}], 0x1) r1 = socket$nl_route(0x10, 0x3, 0x0) sendmsg$netlink(r1, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000100)=[{&(0x7f00000001c0)=ANY=[@ANYBLOB="2800000013000100000000000000000008000000", @ANYRES32=r1, @ANYBLOB='\f\x00\x00\x00', @ANYRES32=0x0, @ANYBLOB="08000d002e14f9"], 0x28}], 0x1}, 0x0) writev(r0, &(0x7f0000000000)=[{&(0x7f0000000040)="3900024913001104680907000000000f0000ff3f04000000290a001700000000040037000a00030014917c82aa75b9a64411f6a4ee1ee438d2", 0x39}], 0x1) 10:33:55 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000380), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000000c0)=ANY=[@ANYBLOB="90000000", @ANYRES16=r2, @ANYBLOB="01000000000000000000010000000c000500000000004c0000000c0002000000000000000000040007800c0008000000000000000000080001"], 0x90}}, 0x0) 10:33:55 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000380), r0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000000)) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) r4 = socket$netlink(0x10, 0x3, 0x0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000000c0)=ANY=[@ANYBLOB="90000000", @ANYRES16=r2, @ANYBLOB="01000000000000000000010000000c00050000000000000000480c0002000000000000000000040007800c000800000000000000000008000100000000004400078008000100", @ANYRES32, @ANYBLOB="38000100", @ANYRES32=r3, @ANYBLOB="08000100", @ANYBLOB="0800d354", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32=r4], 0x90}}, 0x0) [ 2980.799876][T17615] block nbd0: Unsupported socket: shutdown callout must be supported. [ 2980.835516][T17611] lo speed is unknown, defaulting to 1000 10:33:56 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$nbd(&(0x7f0000000380), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000000c0)=ANY=[@ANYBLOB="90000000", @ANYRES16=r2, @ANYBLOB="01000000000000000000010000000c00050000000000030000000c0002000000000000000000040007800c0008000000000000000000080001"], 0x90}}, 0x0) [ 2980.919327][T17620] block nbd0: Unsupported socket: shutdown callout must be supported. [ 2981.367315][T17577] __nla_validate_parse: 53 callbacks suppressed [ 2981.367338][T17577] netlink: 9 bytes leftover after parsing attributes in process `syz-executor.5'. [ 2981.417085][T17577] device gretap0 entered promiscuous mode [ 2981.437339][T17583] ‘|‚ªu: refused to change device tx_queue_len [ 2981.458899][T17577] netlink: 9 bytes leftover after parsing attributes in process `syz-executor.5'. [ 2981.481641][T17577] ‘|‚ªu: renamed from gretap0 [ 2981.496043][T17577] device ‘|‚ªu left promiscuous mode [ 2981.534335][T17577] A link change request failed with some changes committed already. Interface ‘|‚ªu may have been left with an inconsistent configuration, please check. [ 2981.631861][T17577] lo speed is unknown, defaulting to 1000 [ 2981.725129][T17611] netlink: 9 bytes leftover after parsing attributes in process `syz-executor.1'. [ 2981.747984][T17611] device gretap0 entered promiscuous mode [ 2981.772610][T17646] netlink: 9 bytes leftover after parsing attributes in process `syz-executor.5'. [ 2981.791380][T17646] device ‘|‚ªu entered promiscuous mode [ 2981.817488][T17616] ‘|‚ªu: refused to change device tx_queue_len 10:33:57 executing program 5: unshare(0x40000000) mmap(&(0x7f0000000000/0xb36000)=nil, 0xb36000, 0x3, 0x8031, 0xffffffffffffffff, 0x0) unshare(0x0) r0 = socket$netlink(0x10, 0x3, 0x0) writev(r0, &(0x7f0000000080)=[{&(0x7f00000000c0)="390000001300090468fe0700000000000000ff3f04000000480100100000000004002b000a00010014a4ee1ee438d2fd000000000000007200", 0x39}], 0x1) r1 = socket$nl_route(0x10, 0x3, 0x0) sendmsg$netlink(r1, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000100)=[{&(0x7f00000001c0)=ANY=[@ANYBLOB="2800000013000100000000000000000008000000", @ANYRES32=r1, @ANYBLOB='\f\x00\x00\x00', @ANYRES32=0x0, @ANYBLOB="08000d002e14f9"], 0x28}], 0x1}, 0x0) writev(r0, &(0x7f0000000000)=[{&(0x7f0000000040)="3900000013001104680907011d00000f0000ff3f04000000290a001700000000040037000a00030014917c82aa75b9a64411f6a4ee1ee438d2", 0x39}], 0x1) 10:33:57 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000380), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000000c0)=ANY=[@ANYBLOB="90000000", @ANYRES16=r2, @ANYBLOB="01000000000000000000010000000c00050000000000600000000c0002000000000000000000040007800c0008000000000000000000080001"], 0x90}}, 0x0) 10:33:57 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000380), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000000c0)=ANY=[@ANYBLOB="90000000", @ANYRES16=r2, @ANYBLOB="01000000000000000000010000000c00050000000000480000000c0002000000000000000000040007800c0008000000000000000000080001"], 0x90}}, 0x0) 10:33:57 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000380), r0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000000)) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) r4 = socket$netlink(0x10, 0x3, 0x0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000000c0)=ANY=[@ANYBLOB="90000000", @ANYRES16=r2, @ANYBLOB="01000000000000000000010000000c000500000000000000004c0c0002000000000000000000040007800c000800000000000000000008000100000000004400078008000100", @ANYRES32, @ANYBLOB="38000100", @ANYRES32=r3, @ANYBLOB="08000100", @ANYBLOB="0800d354", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32=r4], 0x90}}, 0x0) 10:33:57 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$nbd(&(0x7f0000000380), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000000c0)=ANY=[@ANYBLOB="90000000", @ANYRES16=r2, @ANYBLOB="01000000000000000000010000000c00050000000040030000000c0002000000000000000000040007800c0008000000000000000000080001"], 0x90}}, 0x0) 10:33:57 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$nbd(&(0x7f0000000380), r0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000000)) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) r4 = socket$netlink(0x10, 0x3, 0x0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000000c0)=ANY=[@ANYBLOB="90000000", @ANYRES16=r2, @ANYBLOB="01000000000000000000010000000c000500000000000000000a0c0002000000000000000000040007800c000800000000000000000008000100000000004400078008000100", @ANYRES32, @ANYBLOB="38000100", @ANYRES32=r3, @ANYBLOB="08000100", @ANYBLOB="0800d354", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32=r4], 0x90}}, 0x0) [ 2982.531969][T17681] netlink: 8 bytes leftover after parsing attributes in process `syz-executor.4'. [ 2982.578874][T17681] netlink: 4 bytes leftover after parsing attributes in process `syz-executor.4'. [ 2982.600852][T17681] netlink: 4 bytes leftover after parsing attributes in process `syz-executor.4'. [ 2982.619004][T17681] block nbd0: Unsupported socket: shutdown callout must be supported. [ 2982.654571][T17687] lo speed is unknown, defaulting to 1000 [ 2982.709626][T17695] netlink: 8 bytes leftover after parsing attributes in process `syz-executor.4'. 10:33:57 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000380), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000000c0)=ANY=[@ANYBLOB="90000000", @ANYRES16=r2, @ANYBLOB="01000020000000000000010000000c00050000000000000000000c0002000000000000000000040007800c0008000000000000000000080001"], 0x90}}, 0x0) 10:33:57 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000380), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000000c0)=ANY=[@ANYBLOB="90000000", @ANYRES16=r2, @ANYBLOB="01000000000000000000010000000c00050000000003400000000c0002000000000000000000040007800c0008000000000000000000080001"], 0x90}}, 0x0) [ 2982.752334][T17695] netlink: 4 bytes leftover after parsing attributes in process `syz-executor.4'. 10:33:57 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000380), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000000c0)=ANY=[@ANYBLOB="90000000", @ANYRES16=r2, @ANYBLOB="01000000000000000000010000000c00050000000000680000000c0002000000000000000000040007800c0008000000000000000000080001"], 0x90}}, 0x0) 10:33:57 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000380), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000000c0)=ANY=[@ANYBLOB="90000000", @ANYRES16=r2, @ANYBLOB="01000000000000000000010000000c000500000000004c0000000c0002000000000000000000040007800c0008000000000000000000080001"], 0x90}}, 0x0) [ 2982.793045][T17695] netlink: 4 bytes leftover after parsing attributes in process `syz-executor.4'. 10:33:58 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000380), r0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000000)) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) r4 = socket$netlink(0x10, 0x3, 0x0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000000c0)=ANY=[@ANYBLOB="90000000", @ANYRES16=r2, @ANYBLOB="01000000000000000000010000000c00050000000000000000600c0002000000000000000000040007800c000800000000000000000008000100000000004400078008000100", @ANYRES32, @ANYBLOB="38000100", @ANYRES32=r3, @ANYBLOB="08000100", @ANYBLOB="0800d354", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32=r4], 0x90}}, 0x0) 10:33:58 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$nbd(&(0x7f0000000380), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000000c0)=ANY=[@ANYBLOB="90000000", @ANYRES16=r2, @ANYBLOB="01000000000000000000010000000c0005000000fffff00000000c0002000000000000000000040007800c0008000000000000000000080001"], 0x90}}, 0x0) [ 2983.213162][T17728] block nbd0: Unsupported socket: shutdown callout must be supported. [ 2983.271320][T17732] block nbd0: Unsupported socket: shutdown callout must be supported. [ 2983.457464][T17687] device gretap0 entered promiscuous mode [ 2983.464615][T17687] device gretap0 left promiscuous mode [ 2983.471710][T17687] ‘|‚ªu: renamed from gretap0 [ 2983.479251][T17687] ‘|‚ªu: default qdisc (pfifo_fast) fail, fallback to noqueue [ 2983.496543][T17687] A link change request failed with some changes committed already. Interface ‘|‚ªu may have been left with an inconsistent configuration, please check. [ 2983.623659][T17687] lo speed is unknown, defaulting to 1000 [ 2984.027148][T17760] device ‘|‚ªu left promiscuous mode [ 2984.040703][T17760] ‘|‚ªu: refused to change device tx_queue_len 10:33:59 executing program 5: unshare(0x40000000) mmap(&(0x7f0000000000/0xb36000)=nil, 0xb36000, 0x3, 0x8031, 0xffffffffffffffff, 0x0) unshare(0x0) r0 = socket$netlink(0x10, 0x3, 0x0) writev(r0, &(0x7f0000000080)=[{&(0x7f00000000c0)="390000001300090468fe0700000000000000ff3f04000000480100100000000004002b000a00010014a4ee1ee438d2fd000000000000007200", 0x39}], 0x1) r1 = socket$nl_route(0x10, 0x3, 0x0) sendmsg$netlink(r1, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000100)=[{&(0x7f00000001c0)=ANY=[@ANYBLOB="2800000013000100000000000000000008000000", @ANYRES32=r1, @ANYBLOB='\f\x00\x00\x00', @ANYRES32=0x0, @ANYBLOB="08000d002e14f9"], 0x28}], 0x1}, 0x0) writev(r0, &(0x7f0000000000)=[{&(0x7f0000000040)="3900000013001104680907001f00000f0000ff3f04000000290a001700000000040037000a00030014917c82aa75b9a64411f6a4ee1ee438d2", 0x39}], 0x1) 10:33:59 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000380), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000000c0)=ANY=[@ANYBLOB="90000000", @ANYRES16=r2, @ANYBLOB="01000000000000000000010000000c000500000000006c0000000c0002000000000000000000040007800c0008000000000000000000080001"], 0x90}}, 0x0) 10:33:59 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000380), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000000c0)=ANY=[@ANYBLOB="90000000", @ANYRES16=r2, @ANYBLOB="01000000000000003f00010000000c00050000000000000000000c0002000000000000000000040007800c0008000000000000000000080001"], 0x90}}, 0x0) 10:33:59 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000380), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000000c0)=ANY=[@ANYBLOB="90000000", @ANYRES16=r2, @ANYBLOB="01000000000000000000010000000c00050000000000600000000c0002000000000000000000040007800c0008000000000000000000080001"], 0x90}}, 0x0) 10:33:59 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000380), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000000c0)=ANY=[@ANYBLOB="90000000", @ANYRES16=r2, @ANYBLOB="01000000000000000000010000000c00050000000000000100000c0002000000000000000000040007800c0008000000000000000000080001"], 0x90}}, 0x0) 10:33:59 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000380), r0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000000)) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) r4 = socket$netlink(0x10, 0x3, 0x0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000000c0)=ANY=[@ANYBLOB="90000000", @ANYRES16=r2, @ANYBLOB="01000000000000000000010000000c00050000000000000000680c0002000000000000000000040007800c000800000000000000000008000100000000004400078008000100", @ANYRES32, @ANYBLOB="38000100", @ANYRES32=r3, @ANYBLOB="08000100", @ANYBLOB="0800d354", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32=r4], 0x90}}, 0x0) [ 2984.287436][T17769] block nbd0: Unsupported socket: shutdown callout must be supported. [ 2984.326919][T17774] lo speed is unknown, defaulting to 1000 10:33:59 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000380), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000000c0)=ANY=[@ANYBLOB="90000000", @ANYRES16=r2, @ANYBLOB="01000000000000000000010000000c00050000000000740000000c0002000000000000000000040007800c0008000000000000000000080001"], 0x90}}, 0x0) [ 2984.365752][T17778] block nbd0: Unsupported socket: shutdown callout must be supported. 10:33:59 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$nbd(&(0x7f0000000380), r0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000000)) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) r4 = socket$netlink(0x10, 0x3, 0x0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000000c0)=ANY=[@ANYBLOB="90000000", @ANYRES16=r2, @ANYBLOB="01000000000000000000010000000c000500000000000000006c0c0002000000000000000000040007800c000800000000000000000008000100000000004400078008000100", @ANYRES32, @ANYBLOB="38000100", @ANYRES32=r3, @ANYBLOB="08000100", @ANYBLOB="0800d354", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32=r4], 0x90}}, 0x0) 10:33:59 executing program 1: unshare(0x40000000) mmap(&(0x7f0000000000/0xb36000)=nil, 0xb36000, 0x3, 0x8031, 0xffffffffffffffff, 0x0) unshare(0x0) r0 = socket$netlink(0x10, 0x3, 0x0) writev(r0, &(0x7f0000000080)=[{&(0x7f00000000c0)="390000001300090468fe0700000000000000ff3f04000000480100100000000004002b000a00010014a4ee1ee438d2fd000000000000007200", 0x39}], 0x1) r1 = socket$nl_route(0x10, 0x3, 0x0) sendmsg$netlink(r1, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000100)=[{&(0x7f00000001c0)=ANY=[@ANYBLOB="2800000013000100000000000000000008000000", @ANYRES32=r1, @ANYBLOB='\f\x00\x00\x00', @ANYRES32=0x0, @ANYBLOB="08000d002e14f9"], 0x28}], 0x1}, 0x0) writev(r0, &(0x7f0000000000)=[{&(0x7f0000000040)="3900000013001104680907011d00000f0000ff3f04000000290a001700000000040037000a00030014917c82aa75b9a64411f6a4ee1ee438d2", 0x39}], 0x1) 10:33:59 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$nbd(&(0x7f0000000380), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000000c0)=ANY=[@ANYBLOB="90000000", @ANYRES16=r2, @ANYBLOB="01000000000000000000010000000c00050000000000000200000c0002000000000000000000040007800c0008000000000000000000080001"], 0x90}}, 0x0) 10:33:59 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$nbd(&(0x7f0000000380), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000000c0)=ANY=[@ANYBLOB="90000000", @ANYRES16=r2, @ANYBLOB="01000000000000000000010000000c00050000000000680000000c0002000000000000000000040007800c0008000000000000000000080001"], 0x90}}, 0x0) [ 2984.719427][T17802] block nbd0: Unsupported socket: shutdown callout must be supported. 10:33:59 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000380), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000000c0)=ANY=[@ANYBLOB="90000000", @ANYRES16=r2, @ANYBLOB="01000000000000000000010000000c000500000000007a0000000c0002000000000000000000040007800c0008000000000000000000080001"], 0x90}}, 0x0) [ 2984.784346][T17794] lo speed is unknown, defaulting to 1000 [ 2984.814143][T17806] block nbd0: Unsupported socket: shutdown callout must be supported. [ 2985.300765][T17774] device gretap0 entered promiscuous mode [ 2985.315935][T17774] device gretap0 left promiscuous mode [ 2985.328374][T17774] ‘|‚ªu: renamed from gretap0 [ 2985.345674][T17774] ‘|‚ªu: default qdisc (pfifo_fast) fail, fallback to noqueue [ 2985.366662][T17774] A link change request failed with some changes committed already. Interface ‘|‚ªu may have been left with an inconsistent configuration, please check. [ 2985.490950][T17774] lo speed is unknown, defaulting to 1000 [ 2985.553629][T17843] device ‘|‚ªu entered promiscuous mode [ 2985.628097][T17794] device gretap0 entered promiscuous mode [ 2985.642984][T17794] device gretap0 left promiscuous mode [ 2985.661834][T17794] ‘|‚ªu: renamed from gretap0 [ 2985.684779][T17794] ‘|‚ªu: default qdisc (pfifo_fast) fail, fallback to noqueue [ 2985.714659][T17794] A link change request failed with some changes committed already. Interface ‘|‚ªu may have been left with an inconsistent configuration, please check. [ 2986.044298][T17869] device ‘|‚ªu left promiscuous mode [ 2986.060303][T17869] ‘|‚ªu: refused to change device tx_queue_len 10:34:01 executing program 5: unshare(0x40000000) mmap(&(0x7f0000000000/0xb36000)=nil, 0xb36000, 0x3, 0x8031, 0xffffffffffffffff, 0x0) unshare(0x0) r0 = socket$netlink(0x10, 0x3, 0x0) writev(r0, &(0x7f0000000080)=[{&(0x7f00000000c0)="390000001300090468fe0700000000000000ff3f04000000480100100000000004002b000a00010014a4ee1ee438d2fd000000000000007200", 0x39}], 0x1) r1 = socket$nl_route(0x10, 0x3, 0x0) sendmsg$netlink(r1, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000100)=[{&(0x7f00000001c0)=ANY=[@ANYBLOB="2800000013000100000000000000000008000000", @ANYRES32=r1, @ANYBLOB='\f\x00\x00\x00', @ANYRES32=0x0, @ANYBLOB="08000d002e14f9"], 0x28}], 0x1}, 0x0) writev(r0, &(0x7f0000000000)=[{&(0x7f0000000040)="3900000013001104680907002000000f0000ff3f04000000290a001700000000040037000a00030014917c82aa75b9a64411f6a4ee1ee438d2", 0x39}], 0x1) 10:34:01 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000380), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000000c0)=ANY=[@ANYBLOB="90000000", @ANYRES16=r2, @ANYBLOB="01000000000000000000010000000c00050000000000000300000c0002000000000000000000040007800c0008000000000000000000080001"], 0x90}}, 0x0) 10:34:01 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000380), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000000c0)=ANY=[@ANYBLOB="90000000", @ANYRES16=r2, @ANYBLOB="01000000000000000000010000000c000500000000006c0000000c0002000000000000000000040007800c0008000000000000000000080001"], 0x90}}, 0x0) 10:34:01 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000380), r0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000000)) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) r4 = socket$netlink(0x10, 0x3, 0x0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000000c0)=ANY=[@ANYBLOB="90000000", @ANYRES16=r2, @ANYBLOB="01000000000000000000010000000c00050000000000000000740c0002000000000000000000040007800c000800000000000000000008000100000000004400078008000100", @ANYRES32, @ANYBLOB="38000100", @ANYRES32=r3, @ANYBLOB="08000100", @ANYBLOB="0800d354", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32=r4], 0x90}}, 0x0) 10:34:01 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000380), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000000c0)=ANY=[@ANYBLOB="90000000", @ANYRES16=r2, @ANYBLOB="01000000000000000000010000000c00050000000000f00000000c0002000000000000000000040007800c0008000000000000000000080001"], 0x90}}, 0x0) 10:34:01 executing program 1: unshare(0x40000000) mmap(&(0x7f0000000000/0xb36000)=nil, 0xb36000, 0x3, 0x8031, 0xffffffffffffffff, 0x0) unshare(0x0) r0 = socket$netlink(0x10, 0x3, 0x0) writev(r0, &(0x7f0000000080)=[{&(0x7f00000000c0)="390000001300090468fe0700000000000000ff3f04000000480100100000000004002b000a00010014a4ee1ee438d2fd000000000000007200", 0x39}], 0x1) r1 = socket$nl_route(0x10, 0x3, 0x0) sendmsg$netlink(r1, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000100)=[{&(0x7f00000001c0)=ANY=[@ANYBLOB="2800000013000100000000000000000008000000", @ANYRES32=r1, @ANYBLOB='\f\x00\x00\x00', @ANYRES32=0x0, @ANYBLOB="08000d002e14f9"], 0x28}], 0x1}, 0x0) writev(r0, &(0x7f0000000000)=[{&(0x7f0000000040)="3900024813001104680907000000000f0000ff3f04000000290a001700000000040037000a00030014917c82aa75b9a64411f6a4ee1ee438d2", 0x39}], 0x1) [ 2986.483992][T17878] __nla_validate_parse: 38 callbacks suppressed [ 2986.484013][T17878] netlink: 76 bytes leftover after parsing attributes in process `syz-executor.0'. [ 2986.516995][T17877] lo speed is unknown, defaulting to 1000 [ 2986.589548][T17885] netlink: 76 bytes leftover after parsing attributes in process `syz-executor.2'. [ 2986.629992][T17884] netlink: 8 bytes leftover after parsing attributes in process `syz-executor.4'. [ 2986.639267][T17884] netlink: 4 bytes leftover after parsing attributes in process `syz-executor.4'. 10:34:01 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000380), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000000c0)=ANY=[@ANYBLOB="90000000", @ANYRES16=r2, @ANYBLOB="01000000000000000000010000000c00050000000000000300000c0002000000000000000000040007800c0008000000000000000000080001"], 0x90}}, 0x0) [ 2986.688904][T17889] lo speed is unknown, defaulting to 1000 [ 2986.721952][T17884] netlink: 4 bytes leftover after parsing attributes in process `syz-executor.4'. [ 2986.778773][T17884] block nbd0: Unsupported socket: shutdown callout must be supported. [ 2986.838694][T17890] netlink: 8 bytes leftover after parsing attributes in process `syz-executor.4'. [ 2986.869973][T17890] netlink: 4 bytes leftover after parsing attributes in process `syz-executor.4'. [ 2986.879221][T17890] netlink: 4 bytes leftover after parsing attributes in process `syz-executor.4'. 10:34:02 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000380), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000000c0)=ANY=[@ANYBLOB="90000000", @ANYRES16=r2, @ANYBLOB="01000000000000000000010000000c00050000000000000400000c0002000000000000000000040007800c0008000000000000000000080001"], 0x90}}, 0x0) 10:34:02 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000380), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000000c0)=ANY=[@ANYBLOB="90000000", @ANYRES16=r2, @ANYBLOB="01000000000000000000010000000c00050000000000740000000c0002000000000000000000040007800c0008000000000000000000080001"], 0x90}}, 0x0) [ 2987.013173][T17934] netlink: 76 bytes leftover after parsing attributes in process `syz-executor.3'. 10:34:02 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000380), r0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000000)) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) r4 = socket$netlink(0x10, 0x3, 0x0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000000c0)=ANY=[@ANYBLOB="90000000", @ANYRES16=r2, @ANYBLOB="01000000000000000000010000000c000500000000000000007a0c0002000000000000000000040007800c000800000000000000000008000100000000004400078008000100", @ANYRES32, @ANYBLOB="38000100", @ANYRES32=r3, @ANYBLOB="08000100", @ANYBLOB="0800d354", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32=r4], 0x90}}, 0x0) 10:34:02 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000380), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000000c0)=ANY=[@ANYBLOB="90000000", @ANYRES16=r2, @ANYBLOB="01000000000000000000010000000c00050000000000000500000c0002000000000000000000040007800c0008000000000000000000080001"], 0x90}}, 0x0) [ 2987.158347][T17938] netlink: 76 bytes leftover after parsing attributes in process `syz-executor.2'. 10:34:02 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$nbd(&(0x7f0000000380), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000000c0)=ANY=[@ANYBLOB="90000000", @ANYRES16=r2, @ANYBLOB="01000000000000000000010000000c000500000000007a0000000c0002000000000000000000040007800c0008000000000000000000080001"], 0x90}}, 0x0) [ 2987.345349][T17944] block nbd0: Unsupported socket: shutdown callout must be supported. [ 2987.422192][T17950] block nbd0: Unsupported socket: shutdown callout must be supported. [ 2987.588804][T17877] device gretap0 entered promiscuous mode [ 2987.612907][T17877] device gretap0 left promiscuous mode [ 2987.739340][T17889] device gretap0 entered promiscuous mode [ 2987.769570][T17889] device gretap0 left promiscuous mode [ 2987.789548][T17889] ‘|‚ªu: renamed from gretap0 [ 2987.812561][T17889] ‘|‚ªu: default qdisc (pfifo_fast) fail, fallback to noqueue [ 2987.826757][T17889] A link change request failed with some changes committed already. Interface ‘|‚ªu may have been left with an inconsistent configuration, please check. [ 2987.911359][T17889] lo speed is unknown, defaulting to 1000 [ 2988.046859][T17954] device ‘|‚ªu entered promiscuous mode [ 2988.419534][T17980] device ‘|‚ªu left promiscuous mode [ 2988.433361][T17980] ‘|‚ªu: refused to change device tx_queue_len 10:34:03 executing program 5: unshare(0x40000000) mmap(&(0x7f0000000000/0xb36000)=nil, 0xb36000, 0x3, 0x8031, 0xffffffffffffffff, 0x0) unshare(0x0) r0 = socket$netlink(0x10, 0x3, 0x0) writev(r0, &(0x7f0000000080)=[{&(0x7f00000000c0)="390000001300090468fe0700000000000000ff3f04000000480100100000000004002b000a00010014a4ee1ee438d2fd000000000000007200", 0x39}], 0x1) r1 = socket$nl_route(0x10, 0x3, 0x0) sendmsg$netlink(r1, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000100)=[{&(0x7f00000001c0)=ANY=[@ANYBLOB="2800000013000100000000000000000008000000", @ANYRES32=r1, @ANYBLOB='\f\x00\x00\x00', @ANYRES32=0x0, @ANYBLOB="08000d002e14f9"], 0x28}], 0x1}, 0x0) writev(r0, &(0x7f0000000000)=[{&(0x7f0000000040)="3900000013001104680907022000000f0000ff3f04000000290a001700000000040037000a00030014917c82aa75b9a64411f6a4ee1ee438d2", 0x39}], 0x1) 10:34:03 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000380), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000000c0)=ANY=[@ANYBLOB="90000000", @ANYRES16=r2, @ANYBLOB="01000000000000000000010000000c00050000000000000600000c0002000000000000000000040007800c0008000000000000000000080001"], 0x90}}, 0x0) 10:34:03 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000380), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000000c0)=ANY=[@ANYBLOB="90000000", @ANYRES16=r2, @ANYBLOB="01000000000000000000010000000c00050000000000000500000c0002000000000000000000040007800c0008000000000000000000080001"], 0x90}}, 0x0) 10:34:03 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000380), r0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000000)) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) r4 = socket$netlink(0x10, 0x3, 0x0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000000c0)=ANY=[@ANYBLOB="90000000", @ANYRES16=r2, @ANYBLOB="01000000000000000000010000000c0005000000000000000000600002000000000000000000040007800c000800000000000000000008000100000000004400078008000100", @ANYRES32, @ANYBLOB="38000100", @ANYRES32=r3, @ANYBLOB="08000100", @ANYBLOB="0800d354", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32=r4], 0x90}}, 0x0) 10:34:03 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$nbd(&(0x7f0000000380), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000000c0)=ANY=[@ANYBLOB="90000000", @ANYRES16=r2, @ANYBLOB="01000000000000000000010000000c00050000000000f00000000c0002000000000000000000040007800c0008000000000000000000080001"], 0x90}}, 0x0) 10:34:03 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$nbd(&(0x7f0000000380), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000000c0)=ANY=[@ANYBLOB="90000000", @ANYRES16=r2, @ANYBLOB="01007a00000000000000010000000c00050000000000000000000c0002000000000000000000040007800c0008000000000000000000080001"], 0x90}}, 0x0) [ 2988.750737][T17990] netlink: 'syz-executor.4': attribute type 2 has an invalid length. [ 2988.776999][T17990] nbd: must specify at least one socket 10:34:03 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$nbd(&(0x7f0000000380), r0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000000)) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) r4 = socket$netlink(0x10, 0x3, 0x0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000000c0)=ANY=[@ANYBLOB="90000000", @ANYRES16=r2, @ANYBLOB="01000000000200000000010000000c00050000000000000000000c0002000000000000000000040007800c000800000000000000000008000100000000004400078008000100", @ANYRES32, @ANYBLOB="38000100", @ANYRES32=r3, @ANYBLOB="08000100", @ANYBLOB="0800d354", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32=r4], 0x90}}, 0x0) 10:34:04 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000380), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000000c0)=ANY=[@ANYBLOB="90000000", @ANYRES16=r2, @ANYBLOB="01000000000000000000010000000c00050000000000000700000c0002000000000000000000040007800c0008000000000000000000080001"], 0x90}}, 0x0) [ 2988.845290][T17997] netlink: 'syz-executor.4': attribute type 2 has an invalid length. 10:34:04 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000380), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000000c0)=ANY=[@ANYBLOB="90000000", @ANYRES16=r2, @ANYBLOB="01000000000000000000010000000c00050000000000000600000c0002000000000000000000040007800c0008000000000000000000080001"], 0x90}}, 0x0) 10:34:04 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000380), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000000c0)=ANY=[@ANYBLOB="90000000", @ANYRES16=r2, @ANYBLOB="01000000000000000000010000000c00050000000000000300000c0002000000000000000000040007800c0008000000000000000000080001"], 0x90}}, 0x0) [ 2988.896977][T17997] nbd: must specify at least one socket [ 2988.954131][T17996] lo speed is unknown, defaulting to 1000 10:34:04 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000380), r0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000000)) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) r4 = socket$netlink(0x10, 0x3, 0x0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000000c0)=ANY=[@ANYBLOB="90000000", @ANYRES16=r2, @ANYBLOB="01000000000000000000010000000c0005000000000000000000670002000000000000000000040007800c000800000000000000000008000100000000004400078008000100", @ANYRES32, @ANYBLOB="38000100", @ANYRES32=r3, @ANYBLOB="08000100", @ANYBLOB="0800d354", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32=r4], 0x90}}, 0x0) [ 2989.068681][T18008] block nbd0: Unsupported socket: shutdown callout must be supported. 10:34:04 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$nbd(&(0x7f0000000380), r0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000000)) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) r4 = socket$netlink(0x10, 0x3, 0x0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000000c0)=ANY=[@ANYBLOB="90000000", @ANYRES16=r2, @ANYBLOB="010000000000006c0000010000000c00050000000000000000000c0002000000000000000000040007800c000800000000000000000008000100000000004400078008000100", @ANYRES32, @ANYBLOB="38000100", @ANYRES32=r3, @ANYBLOB="08000100", @ANYBLOB="0800d354", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32=r4], 0x90}}, 0x0) [ 2989.343695][T18033] netlink: 'syz-executor.4': attribute type 2 has an invalid length. [ 2989.379527][T18033] nbd: must specify at least one socket [ 2989.417151][T18035] netlink: 'syz-executor.4': attribute type 2 has an invalid length. [ 2989.446866][T18035] nbd: must specify at least one socket [ 2989.481394][T18037] block nbd0: Unsupported socket: shutdown callout must be supported. [ 2989.733774][T17996] device gretap0 entered promiscuous mode [ 2989.741706][T17996] device gretap0 left promiscuous mode [ 2989.758808][T17996] ‘|‚ªu: renamed from gretap0 [ 2989.783789][T17996] ‘|‚ªu: default qdisc (pfifo_fast) fail, fallback to noqueue [ 2989.825988][T17996] A link change request failed with some changes committed already. Interface ‘|‚ªu may have been left with an inconsistent configuration, please check. [ 2989.921958][T17996] lo speed is unknown, defaulting to 1000 [ 2990.031472][T17996] device ‘|‚ªu entered promiscuous mode 10:34:05 executing program 5: unshare(0x40000000) mmap(&(0x7f0000000000/0xb36000)=nil, 0xb36000, 0x3, 0x8031, 0xffffffffffffffff, 0x0) unshare(0x0) r0 = socket$netlink(0x10, 0x3, 0x0) writev(r0, &(0x7f0000000080)=[{&(0x7f00000000c0)="390000001300090468fe0700000000000000ff3f04000000480100100000000004002b000a00010014a4ee1ee438d2fd000000000000007200", 0x39}], 0x1) r1 = socket$nl_route(0x10, 0x3, 0x0) sendmsg$netlink(r1, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000100)=[{&(0x7f00000001c0)=ANY=[@ANYBLOB="2800000013000100000000000000000008000000", @ANYRES32=r1, @ANYBLOB='\f\x00\x00\x00', @ANYRES32=0x0, @ANYBLOB="08000d002e14f9"], 0x28}], 0x1}, 0x0) writev(r0, &(0x7f0000000000)=[{&(0x7f0000000040)="3900000013001104680907002500000f0000ff3f04000000290a001700000000040037000a00030014917c82aa75b9a64411f6a4ee1ee438d2", 0x39}], 0x1) 10:34:05 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000380), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000000c0)=ANY=[@ANYBLOB="90000000", @ANYRES16=r2, @ANYBLOB="01000000000000000000010000000c00050000000000000900000c0002000000000000000000040007800c0008000000000000000000080001"], 0x90}}, 0x0) 10:34:05 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$nbd(&(0x7f0000000380), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000000c0)=ANY=[@ANYBLOB="90000000", @ANYRES16=r2, @ANYBLOB="01000000000000000000010000000c00050000000000000700000c0002000000000000000000040007800c0008000000000000000000080001"], 0x90}}, 0x0) 10:34:05 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$nbd(&(0x7f0000000380), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000000c0)=ANY=[@ANYBLOB="90000000", @ANYRES16=r2, @ANYBLOB="01000000000000000000010000000c00050000000000000500000c0002000000000000000000040007800c0008000000000000000000080001"], 0x90}}, 0x0) 10:34:05 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$nbd(&(0x7f0000000380), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000000c0)=ANY=[@ANYBLOB="90000000", @ANYRES16=r2, @ANYBLOB="010000007a0000000000010000000c00050000000000000000000c0002000000000000000000040007800c0008000000000000000000080001"], 0x90}}, 0x0) 10:34:05 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$nbd(&(0x7f0000000380), r0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000000)) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) r4 = socket$netlink(0x10, 0x3, 0x0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000000c0)=ANY=[@ANYBLOB="90000000", @ANYRES16=r2, @ANYBLOB="01000000000000000000010000000c0005000000000000000000700002000000000000000000040007800c000800000000000000000008000100000000004400078008000100", @ANYRES32, @ANYBLOB="38000100", @ANYRES32=r3, @ANYBLOB="08000100", @ANYBLOB="0800d354", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32=r4], 0x90}}, 0x0) 10:34:05 executing program 1: unshare(0x40000000) mmap(&(0x7f0000000000/0xb36000)=nil, 0xb36000, 0x3, 0x8031, 0xffffffffffffffff, 0x0) unshare(0x0) r0 = socket$netlink(0x10, 0x3, 0x0) writev(r0, &(0x7f0000000080)=[{&(0x7f00000000c0)="390000001300090468fe0700000000000000ff3f04000000480100100000000004002b000a00010014a4ee1ee438d2fd000000000000007200", 0x39}], 0x1) r1 = socket$nl_route(0x10, 0x3, 0x0) sendmsg$netlink(r1, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000100)=[{&(0x7f00000001c0)=ANY=[@ANYBLOB="2800000013000100000000000000000008000000", @ANYRES32=r1, @ANYBLOB='\f\x00\x00\x00', @ANYRES32=0x0, @ANYBLOB="08000d002e14f9"], 0x28}], 0x1}, 0x0) writev(r0, &(0x7f0000000000)=[{&(0x7f0000000040)="3900013113001104680907000000000f0000ff3f04000000290a001700000000040037000a00030014917c82aa75b9a64411f6a4ee1ee438d2", 0x39}], 0x1) [ 2990.460988][T18077] lo speed is unknown, defaulting to 1000 10:34:05 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$nbd(&(0x7f0000000380), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000000c0)=ANY=[@ANYBLOB="90000000", @ANYRES16=r2, @ANYBLOB="01000000000000000000010000000c00050000000000000900000c0002000000000000000000040007800c0008000000000000000000080001"], 0x90}}, 0x0) [ 2990.566485][T18078] netlink: 'syz-executor.4': attribute type 2 has an invalid length. [ 2990.603568][T18078] nbd: must specify at least one socket 10:34:05 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$nbd(&(0x7f0000000380), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000000c0)=ANY=[@ANYBLOB="90000000", @ANYRES16=r2, @ANYBLOB="01000000000000000000010000000c00050000000000000600000c0002000000000000000000040007800c0008000000000000000000080001"], 0x90}}, 0x0) [ 2990.668900][T18093] lo speed is unknown, defaulting to 1000 10:34:05 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000380), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000000c0)=ANY=[@ANYBLOB="90000000", @ANYRES16=r2, @ANYBLOB="01000000000000000000010000000c00050000000000000a00000c0002000000000000000000040007800c0008000000000000000000080001"], 0x90}}, 0x0) 10:34:05 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$nbd(&(0x7f0000000380), r0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000000)) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) r4 = socket$netlink(0x10, 0x3, 0x0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000000c0)=ANY=[@ANYBLOB="90000000", @ANYRES16=r2, @ANYBLOB="01000000000000000000010000000c00050000000000000000007c0002000000000000000000040007800c000800000000000000000008000100000000004400078008000100", @ANYRES32, @ANYBLOB="38000100", @ANYRES32=r3, @ANYBLOB="08000100", @ANYBLOB="0800d354", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32=r4], 0x90}}, 0x0) 10:34:06 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000380), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000000c0)=ANY=[@ANYBLOB="90000000", @ANYRES16=r2, @ANYBLOB="01000000000000000000010000000c00050000000000000a00000c0002000000000000000000040007800c0008000000000000000000080001"], 0x90}}, 0x0) [ 2991.117981][T18137] nbd: must specify at least one socket [ 2991.155974][T18141] nbd: must specify at least one socket [ 2991.344696][T18077] device gretap0 entered promiscuous mode [ 2991.380650][T18077] device gretap0 left promiscuous mode [ 2991.407995][T18077] ‘|‚ªu: renamed from gretap0 [ 2991.440921][T18077] ‘|‚ªu: default qdisc (pfifo_fast) fail, fallback to noqueue [ 2991.480291][T18077] A link change request failed with some changes committed already. Interface ‘|‚ªu may have been left with an inconsistent configuration, please check. [ 2991.520774][T18093] __nla_validate_parse: 45 callbacks suppressed [ 2991.520795][T18093] netlink: 9 bytes leftover after parsing attributes in process `syz-executor.1'. [ 2991.541375][T18093] device gretap0 entered promiscuous mode [ 2991.552104][T18093] device gretap0 left promiscuous mode [ 2991.566820][T18077] lo speed is unknown, defaulting to 1000 [ 2991.784386][T18145] netlink: 9 bytes leftover after parsing attributes in process `syz-executor.5'. 10:34:07 executing program 5: unshare(0x40000000) mmap(&(0x7f0000000000/0xb36000)=nil, 0xb36000, 0x3, 0x8031, 0xffffffffffffffff, 0x0) unshare(0x0) r0 = socket$netlink(0x10, 0x3, 0x0) writev(r0, &(0x7f0000000080)=[{&(0x7f00000000c0)="390000001300090468fe0700000000000000ff3f04000000480100100000000004002b000a00010014a4ee1ee438d2fd000000000000007200", 0x39}], 0x1) r1 = socket$nl_route(0x10, 0x3, 0x0) sendmsg$netlink(r1, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000100)=[{&(0x7f00000001c0)=ANY=[@ANYBLOB="2800000013000100000000000000000008000000", @ANYRES32=r1, @ANYBLOB='\f\x00\x00\x00', @ANYRES32=0x0, @ANYBLOB="08000d002e14f9"], 0x28}], 0x1}, 0x0) writev(r0, &(0x7f0000000000)=[{&(0x7f0000000040)="3900000013001104680907022600000f0000ff3f04000000290a001700000000040037000a00030014917c82aa75b9a64411f6a4ee1ee438d2", 0x39}], 0x1) 10:34:07 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$nbd(&(0x7f0000000380), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000000c0)=ANY=[@ANYBLOB="90000000", @ANYRES16=r2, @ANYBLOB="01000000000000000000010000000c00050000000000000700000c0002000000000000000000040007800c0008000000000000000000080001"], 0x90}}, 0x0) 10:34:07 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$nbd(&(0x7f0000000380), r0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000000)) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) r4 = socket$netlink(0x10, 0x3, 0x0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000000c0)=ANY=[@ANYBLOB="90000000", @ANYRES16=r2, @ANYBLOB="01000000000000000000010000000c0005000000000000000000030002000000000000000000040007800c000800000000000000000008000100000000004400078008000100", @ANYRES32, @ANYBLOB="38000100", @ANYRES32=r3, @ANYBLOB="08000100", @ANYBLOB="0800d354", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32=r4], 0x90}}, 0x0) 10:34:07 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000380), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000000c0)=ANY=[@ANYBLOB="90000000", @ANYRES16=r2, @ANYBLOB="01000000000000000000010000000c00050000000000000f00000c0002000000000000000000040007800c0008000000000000000000080001"], 0x90}}, 0x0) 10:34:07 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000380), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000000c0)=ANY=[@ANYBLOB="90000000", @ANYRES16=r2, @ANYBLOB="01000000000000000000010000000c00050000000000000f00000c0002000000000000000000040007800c0008000000000000000000080001"], 0x90}}, 0x0) 10:34:07 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000380), r0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000000)) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) r4 = socket$netlink(0x10, 0x3, 0x0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000000c0)=ANY=[@ANYBLOB="90000000", @ANYRES16=r2, @ANYBLOB="01000000000000040000010000000c00050000000000000000000c0002000000000000000000040007800c000800000000000000000008000100000000004400078008000100", @ANYRES32, @ANYBLOB="38000100", @ANYRES32=r3, @ANYBLOB="08000100", @ANYBLOB="0800d354", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32=r4], 0x90}}, 0x0) [ 2992.433658][T18183] netlink: 76 bytes leftover after parsing attributes in process `syz-executor.3'. [ 2992.475068][T18181] netlink: 76 bytes leftover after parsing attributes in process `syz-executor.2'. [ 2992.505874][T18185] netlink: 112 bytes leftover after parsing attributes in process `syz-executor.4'. [ 2992.524901][T18187] lo speed is unknown, defaulting to 1000 [ 2992.539997][T18185] nbd: must specify at least one socket 10:34:07 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000380), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000000c0)=ANY=[@ANYBLOB="90000000", @ANYRES16=r2, @ANYBLOB="01000000000000000000010000000c00050000000000001f00000c0002000000000000000000040007800c0008000000000000000000080001"], 0x90}}, 0x0) [ 2992.567978][T18184] netlink: 8 bytes leftover after parsing attributes in process `syz-executor.1'. [ 2992.601087][T18184] netlink: 4 bytes leftover after parsing attributes in process `syz-executor.1'. [ 2992.649821][T18184] netlink: 4 bytes leftover after parsing attributes in process `syz-executor.1'. [ 2992.695074][T18184] block nbd0: Unsupported socket: shutdown callout must be supported. [ 2992.789652][T18182] netlink: 76 bytes leftover after parsing attributes in process `syz-executor.0'. [ 2992.822465][T18205] netlink: 112 bytes leftover after parsing attributes in process `syz-executor.4'. 10:34:08 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$nbd(&(0x7f0000000380), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000000c0)=ANY=[@ANYBLOB="90000000", @ANYRES16=r2, @ANYBLOB="01000000000000000000010000000c00050000000000000900000c0002000000000000000000040007800c0008000000000000000000080001"], 0x90}}, 0x0) [ 2992.855217][T18205] nbd: must specify at least one socket 10:34:08 executing program 1: socketpair$unix(0x1, 0x5, 0x0, &(0x7f0000000000)={0xffffffffffffffff}) ioctl$sock_SIOCGIFINDEX(r0, 0x8933, &(0x7f00000000c0)={'bridge_slave_0\x00', 0x0}) r2 = socket$inet6_udplite(0xa, 0x2, 0x88) ioctl$sock_SIOCGIFINDEX(r2, 0x8933, &(0x7f0000000080)={'bridge0\x00', 0x0}) r4 = socket(0x10, 0x803, 0x0) sendmsg$nl_route(r4, &(0x7f0000000240)={0x0, 0x0, &(0x7f00000001c0)={&(0x7f0000000040)=@RTM_NEWMDB={0x38, 0x54, 0x1, 0xe, 0x0, {0x7, r3}, [@MDBA_SET_ENTRY={0x20, 0x1, {r1, 0x0, 0x0, 0x0, {@in6_addr=@mcast1}}}]}, 0x38}}, 0x0) 10:34:08 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000380), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000000c0)=ANY=[@ANYBLOB="90000000", @ANYRES16=r2, @ANYBLOB="01000000000000000000010000000c00050000000000001f00000c0002000000000000000000040007800c0008000000000000000000080001"], 0x90}}, 0x0) 10:34:08 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000380), r0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000000)) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) r4 = socket$netlink(0x10, 0x3, 0x0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000000c0)=ANY=[@ANYBLOB="90000000", @ANYRES16=r2, @ANYBLOB="01000000000000000000010000000c0005000000000000000000080002000000000000000000040007800c000800000000000000000008000100000000004400078008000100", @ANYRES32, @ANYBLOB="38000100", @ANYRES32=r3, @ANYBLOB="08000100", @ANYBLOB="0800d354", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32=r4], 0x90}}, 0x0) 10:34:08 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000380), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000000c0)=ANY=[@ANYBLOB="90000000", @ANYRES16=r2, @ANYBLOB="01000000000000000000010000000c00050000000000002000000c0002000000000000000000040007800c0008000000000000000000080001"], 0x90}}, 0x0) [ 2993.231117][T18228] netlink: 'syz-executor.4': attribute type 2 has an invalid length. [ 2993.286497][T18233] netlink: 'syz-executor.4': attribute type 2 has an invalid length. [ 2993.327626][T18187] device gretap0 entered promiscuous mode [ 2993.362820][T18192] device ‘|‚ªu left promiscuous mode [ 2993.368569][T18192] ‘|‚ªu: refused to change device tx_queue_len [ 2993.389751][T18231] ‘|‚ªu: renamed from gretap0 [ 2993.396961][T18231] device ‘|‚ªu left promiscuous mode [ 2993.429054][T18231] A link change request failed with some changes committed already. Interface ‘|‚ªu may have been left with an inconsistent configuration, please check. [ 2993.574922][T18231] device ‘|‚ªu entered promiscuous mode [ 2993.590746][T18187] lo speed is unknown, defaulting to 1000 [ 2993.964205][T18262] device ‘|‚ªu left promiscuous mode [ 2993.973816][T18262] ‘|‚ªu: refused to change device tx_queue_len 10:34:09 executing program 5: unshare(0x40000000) mmap(&(0x7f0000000000/0xb36000)=nil, 0xb36000, 0x3, 0x8031, 0xffffffffffffffff, 0x0) unshare(0x0) r0 = socket$netlink(0x10, 0x3, 0x0) writev(r0, &(0x7f0000000080)=[{&(0x7f00000000c0)="390000001300090468fe0700000000000000ff3f04000000480100100000000004002b000a00010014a4ee1ee438d2fd000000000000007200", 0x39}], 0x1) r1 = socket$nl_route(0x10, 0x3, 0x0) sendmsg$netlink(r1, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000100)=[{&(0x7f00000001c0)=ANY=[@ANYBLOB="2800000013000100000000000000000008000000", @ANYRES32=r1, @ANYBLOB='\f\x00\x00\x00', @ANYRES32=0x0, @ANYBLOB="08000d002e14f9"], 0x28}], 0x1}, 0x0) writev(r0, &(0x7f0000000000)=[{&(0x7f0000000040)="3900000013001104680907012900000f0000ff3f04000000290a001700000000040037000a00030014917c82aa75b9a64411f6a4ee1ee438d2", 0x39}], 0x1) 10:34:09 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000380), r0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000000)) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) r4 = socket$netlink(0x10, 0x3, 0x0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000000c0)=ANY=[@ANYBLOB="90000000", @ANYRES16=r2, @ANYBLOB="01000000000000000000010000000c0005000000000000000000600002000000000000000000040007800c000800000000000000000008000100000000004400078008000100", @ANYRES32, @ANYBLOB="38000100", @ANYRES32=r3, @ANYBLOB="08000100", @ANYBLOB="0800d354", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32=r4], 0x90}}, 0x0) 10:34:09 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$nbd(&(0x7f0000000380), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000000c0)=ANY=[@ANYBLOB="90000000", @ANYRES16=r2, @ANYBLOB="01000000000000000000010000000c00050000000000000a00000c0002000000000000000000040007800c0008000000000000000000080001"], 0x90}}, 0x0) 10:34:09 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$nbd(&(0x7f0000000380), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000000c0)=ANY=[@ANYBLOB="90000000", @ANYRES16=r2, @ANYBLOB="01000000000000000000010000000c00050000000000002000000c0002000000000000000000040007800c0008000000000000000000080001"], 0x90}}, 0x0) 10:34:09 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000380), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000000c0)=ANY=[@ANYBLOB="90000000", @ANYRES16=r2, @ANYBLOB="01000000000000000000010000000c00050000000000003f00000c0002000000000000000000040007800c0008000000000000000000080001"], 0x90}}, 0x0) 10:34:09 executing program 1: unshare(0x40000000) mmap(&(0x7f0000000000/0xb36000)=nil, 0xb36000, 0x3, 0x8031, 0xffffffffffffffff, 0x0) unshare(0x0) r0 = socket$netlink(0x10, 0x3, 0x0) writev(r0, &(0x7f0000000080)=[{&(0x7f00000000c0)="390000001300090468fe0700000000000000ff3f04000000480100100000000004002b000a00010014a4ee1ee438d2fd000000000000007200", 0x39}], 0x1) r1 = socket$nl_route(0x10, 0x3, 0x0) sendmsg$netlink(r1, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000100)=[{&(0x7f00000001c0)=ANY=[@ANYBLOB="2800000013000100000000000000000008000000", @ANYRES32=r1, @ANYBLOB='\f\x00\x00\x00', @ANYRES32=0x0, @ANYBLOB="08000d002e14f9"], 0x28}], 0x1}, 0x0) writev(r0, &(0x7f0000000000)=[{&(0x7f0000000040)="3900012e13001104680907000000000f0000ff3f04000000290a001700000000040037000a00030014917c82aa75b9a64411f6a4ee1ee438d2", 0x39}], 0x1) [ 2994.334749][T18274] netlink: 'syz-executor.4': attribute type 2 has an invalid length. [ 2994.364828][T18274] nbd: must specify at least one socket [ 2994.376316][T18273] lo speed is unknown, defaulting to 1000 [ 2994.429447][T18284] netlink: 'syz-executor.4': attribute type 2 has an invalid length. [ 2994.448657][T18275] lo speed is unknown, defaulting to 1000 10:34:09 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000380), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000000c0)=ANY=[@ANYBLOB="90000000", @ANYRES16=r2, @ANYBLOB="01000000000000000000010000000c00050000000000003f00000c0002000000000000000000040007800c0008000000000000000000080001"], 0x90}}, 0x0) 10:34:09 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000380), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000000c0)=ANY=[@ANYBLOB="90000000", @ANYRES16=r2, @ANYBLOB="01000000000000000000010000000c00050000000000000f00000c0002000000000000000000040007800c0008000000000000000000080001"], 0x90}}, 0x0) 10:34:09 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000380), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000000c0)=ANY=[@ANYBLOB="90000000", @ANYRES16=r2, @ANYBLOB="01000000000000000000010000000c00050000000000004800000c0002000000000000000000040007800c0008000000000000000000080001"], 0x90}}, 0x0) [ 2994.487849][T18284] nbd: must specify at least one socket 10:34:09 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000380), r0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000000)) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) r4 = socket$netlink(0x10, 0x3, 0x0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000000c0)=ANY=[@ANYBLOB="90000000", @ANYRES16=r2, @ANYBLOB="01000000000000000000010000000c0005000000000000000000670002000000000000000000040007800c000800000000000000000008000100000000004400078008000100", @ANYRES32, @ANYBLOB="38000100", @ANYRES32=r3, @ANYBLOB="08000100", @ANYBLOB="0800d354", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32=r4], 0x90}}, 0x0) 10:34:10 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000380), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000000c0)=ANY=[@ANYBLOB="90000000", @ANYRES16=r2, @ANYBLOB="01000000000000000000010000000c00050000000000004c00000c0002000000000000000000040007800c0008000000000000000000080001"], 0x90}}, 0x0) [ 2994.912771][T18333] netlink: 'syz-executor.4': attribute type 2 has an invalid length. 10:34:10 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$nbd(&(0x7f0000000380), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000000c0)=ANY=[@ANYBLOB="90000000", @ANYRES16=r2, @ANYBLOB="01000000000000000000010000000c00050000000000004800000c0002000000000000000000040007800c0008000000000000000000080001"], 0x90}}, 0x0) [ 2994.953530][T18333] nbd: must specify at least one socket [ 2995.021253][T18335] netlink: 'syz-executor.4': attribute type 2 has an invalid length. [ 2995.064528][T18335] nbd: must specify at least one socket [ 2995.394068][T18275] device gretap0 entered promiscuous mode [ 2995.404889][T18275] device gretap0 left promiscuous mode [ 2995.420566][T18275] ‘|‚ªu: renamed from gretap0 [ 2995.436821][T18275] ‘|‚ªu: default qdisc (pfifo_fast) fail, fallback to noqueue [ 2995.471103][T18275] A link change request failed with some changes committed already. Interface ‘|‚ªu may have been left with an inconsistent configuration, please check. [ 2995.526075][T18273] device gretap0 entered promiscuous mode [ 2995.565199][T18278] ‘|‚ªu: refused to change device tx_queue_len [ 2995.574838][T18275] lo speed is unknown, defaulting to 1000 [ 2995.696787][T18344] device ‘|‚ªu entered promiscuous mode [ 2996.046908][T18370] device ‘|‚ªu left promiscuous mode [ 2996.062176][T18370] ‘|‚ªu: refused to change device tx_queue_len 10:34:11 executing program 5: unshare(0x40000000) mmap(&(0x7f0000000000/0xb36000)=nil, 0xb36000, 0x3, 0x8031, 0xffffffffffffffff, 0x0) unshare(0x0) r0 = socket$netlink(0x10, 0x3, 0x0) writev(r0, &(0x7f0000000080)=[{&(0x7f00000000c0)="390000001300090468fe0700000000000000ff3f04000000480100100000000004002b000a00010014a4ee1ee438d2fd000000000000007200", 0x39}], 0x1) r1 = socket$nl_route(0x10, 0x3, 0x0) sendmsg$netlink(r1, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000100)=[{&(0x7f00000001c0)=ANY=[@ANYBLOB="2800000013000100000000000000000008000000", @ANYRES32=r1, @ANYBLOB='\f\x00\x00\x00', @ANYRES32=0x0, @ANYBLOB="08000d002e14f9"], 0x28}], 0x1}, 0x0) writev(r0, &(0x7f0000000000)=[{&(0x7f0000000040)="3900000013001104680907012a00000f0000ff3f04000000290a001700000000040037000a00030014917c82aa75b9a64411f6a4ee1ee438d2", 0x39}], 0x1) 10:34:11 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000380), r0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000000)) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) r4 = socket$netlink(0x10, 0x3, 0x0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000000c0)=ANY=[@ANYBLOB="90000000", @ANYRES16=r2, @ANYBLOB="01000000000000000000010000000c0005000000000000000000700002000000000000000000040007800c000800000000000000000008000100000000004400078008000100", @ANYRES32, @ANYBLOB="38000100", @ANYRES32=r3, @ANYBLOB="08000100", @ANYBLOB="0800d354", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32=r4], 0x90}}, 0x0) 10:34:11 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$nbd(&(0x7f0000000380), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000000c0)=ANY=[@ANYBLOB="90000000", @ANYRES16=r2, @ANYBLOB="01000000000000000000010000000c00050000000000001f00000c0002000000000000000000040007800c0008000000000000000000080001"], 0x90}}, 0x0) 10:34:11 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000380), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000000c0)=ANY=[@ANYBLOB="90000000", @ANYRES16=r2, @ANYBLOB="01000000000000000000010000000c00050000000000006000000c0002000000000000000000040007800c0008000000000000000000080001"], 0x90}}, 0x0) 10:34:11 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$nbd(&(0x7f0000000380), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000000c0)=ANY=[@ANYBLOB="90000000", @ANYRES16=r2, @ANYBLOB="01000000000000000000010000000c00050000000000004c00000c0002000000000000000000040007800c0008000000000000000000080001"], 0x90}}, 0x0) 10:34:11 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$nbd(&(0x7f0000000380), r0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000000)) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) r4 = socket$netlink(0x10, 0x3, 0x0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000000c0)=ANY=[@ANYBLOB="90000000", @ANYRES16=r2, @ANYBLOB="01000000000000020000010000000c00050000000000000000000c0002000000000000000000040007800c000800000000000000000008000100000000004400078008000100", @ANYRES32, @ANYBLOB="38000100", @ANYRES32=r3, @ANYBLOB="08000100", @ANYBLOB="0800d354", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32=r4], 0x90}}, 0x0) [ 2996.374106][T18378] netlink: 'syz-executor.4': attribute type 2 has an invalid length. [ 2996.397197][T18378] nbd: must specify at least one socket [ 2996.436661][T18379] block nbd0: Unsupported socket: shutdown callout must be supported. [ 2996.485659][T18383] netlink: 'syz-executor.4': attribute type 2 has an invalid length. [ 2996.505258][T18383] nbd: must specify at least one socket 10:34:11 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000380), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000000c0)=ANY=[@ANYBLOB="90000000", @ANYRES16=r2, @ANYBLOB="01000000020000000000010000000c00050000000000000000000c0002000000000000000000040007800c0008000000000000000000080001"], 0x90}}, 0x0) 10:34:11 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000380), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000000c0)=ANY=[@ANYBLOB="90000000", @ANYRES16=r2, @ANYBLOB="01000000000000000000010000000c00050000000000002000000c0002000000000000000000040007800c0008000000000000000000080001"], 0x90}}, 0x0) 10:34:11 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000380), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000000c0)=ANY=[@ANYBLOB="90000000", @ANYRES16=r2, @ANYBLOB="01000000000000000000010000000c00050000000000006000000c0002000000000000000000040007800c0008000000000000000000080001"], 0x90}}, 0x0) 10:34:11 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000380), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000000c0)=ANY=[@ANYBLOB="90000000", @ANYRES16=r2, @ANYBLOB="01000000000000000000010000000c00050000000000006800000c0002000000000000000000040007800c0008000000000000000000080001"], 0x90}}, 0x0) 10:34:11 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000380), r0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000000)) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) r4 = socket$netlink(0x10, 0x3, 0x0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000000c0)=ANY=[@ANYBLOB="90000000", @ANYRES16=r2, @ANYBLOB="01000000000000000000010000000c00050000000000000000007c0002000000000000000000040007800c000800000000000000000008000100000000004400078008000100", @ANYRES32, @ANYBLOB="38000100", @ANYRES32=r3, @ANYBLOB="08000100", @ANYBLOB="0800d354", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32=r4], 0x90}}, 0x0) [ 2996.670539][T18388] lo speed is unknown, defaulting to 1000 [ 2996.805271][T18406] __nla_validate_parse: 29 callbacks suppressed [ 2996.805293][T18406] netlink: 76 bytes leftover after parsing attributes in process `syz-executor.2'. 10:34:12 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$nbd(&(0x7f0000000380), r0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000000)) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) r4 = socket$netlink(0x10, 0x3, 0x0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000000c0)=ANY=[@ANYBLOB="90000000", @ANYRES16=r2, @ANYBLOB="01000000000300000000010000000c00050000000000000000000c0002000000000000000000040007800c000800000000000000000008000100000000004400078008000100", @ANYRES32, @ANYBLOB="38000100", @ANYRES32=r3, @ANYBLOB="08000100", @ANYBLOB="0800d354", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32=r4], 0x90}}, 0x0) [ 2996.920902][T18413] netlink: 76 bytes leftover after parsing attributes in process `syz-executor.3'. [ 2996.965161][T18416] netlink: 76 bytes leftover after parsing attributes in process `syz-executor.0'. [ 2997.021393][T18421] netlink: 112 bytes leftover after parsing attributes in process `syz-executor.4'. [ 2997.041461][T18421] nbd: must specify at least one socket [ 2997.086972][T18426] netlink: 112 bytes leftover after parsing attributes in process `syz-executor.4'. [ 2997.122088][T18426] nbd: must specify at least one socket [ 2997.154223][T18429] netlink: 8 bytes leftover after parsing attributes in process `syz-executor.1'. [ 2997.193307][T18429] netlink: 4 bytes leftover after parsing attributes in process `syz-executor.1'. [ 2997.235913][T18429] netlink: 4 bytes leftover after parsing attributes in process `syz-executor.1'. [ 2997.284828][T18429] block nbd0: Unsupported socket: shutdown callout must be supported. [ 2997.497446][T18388] netlink: 9 bytes leftover after parsing attributes in process `syz-executor.5'. [ 2997.512775][T18388] device gretap0 entered promiscuous mode [ 2997.528828][T18388] device gretap0 left promiscuous mode [ 2997.542626][T18388] netlink: 9 bytes leftover after parsing attributes in process `syz-executor.5'. [ 2997.562273][T18388] ‘|‚ªu: renamed from gretap0 [ 2997.577650][T18388] ‘|‚ªu: default qdisc (pfifo_fast) fail, fallback to noqueue [ 2997.615481][T18388] A link change request failed with some changes committed already. Interface ‘|‚ªu may have been left with an inconsistent configuration, please check. [ 2997.707240][T18388] lo speed is unknown, defaulting to 1000 [ 2997.875280][T18434] device ‘|‚ªu entered promiscuous mode [ 2998.209646][T18460] device ‘|‚ªu left promiscuous mode [ 2998.215403][T18460] ‘|‚ªu: refused to change device tx_queue_len 10:34:13 executing program 5: unshare(0x40000000) mmap(&(0x7f0000000000/0xb36000)=nil, 0xb36000, 0x3, 0x8031, 0xffffffffffffffff, 0x0) unshare(0x0) r0 = socket$netlink(0x10, 0x3, 0x0) writev(r0, &(0x7f0000000080)=[{&(0x7f00000000c0)="390000001300090468fe0700000000000000ff3f04000000480100100000000004002b000a00010014a4ee1ee438d2fd000000000000007200", 0x39}], 0x1) r1 = socket$nl_route(0x10, 0x3, 0x0) sendmsg$netlink(r1, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000100)=[{&(0x7f00000001c0)=ANY=[@ANYBLOB="2800000013000100000000000000000008000000", @ANYRES32=r1, @ANYBLOB='\f\x00\x00\x00', @ANYRES32=0x0, @ANYBLOB="08000d002e14f9"], 0x28}], 0x1}, 0x0) writev(r0, &(0x7f0000000000)=[{&(0x7f0000000040)="3900000013001104680907032c00000f0000ff3f04000000290a001700000000040037000a00030014917c82aa75b9a64411f6a4ee1ee438d2", 0x39}], 0x1) 10:34:13 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000380), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000000c0)=ANY=[@ANYBLOB="90000000", @ANYRES16=r2, @ANYBLOB="01000000000000000000010000000c00050000000000006c00000c0002000000000000000000040007800c0008000000000000000000080001"], 0x90}}, 0x0) 10:34:13 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$nbd(&(0x7f0000000380), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000000c0)=ANY=[@ANYBLOB="90000000", @ANYRES16=r2, @ANYBLOB="01000000000000000000010000000c00050000000000003f00000c0002000000000000000000040007800c0008000000000000000000080001"], 0x90}}, 0x0) 10:34:13 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$nbd(&(0x7f0000000380), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000000c0)=ANY=[@ANYBLOB="90000000", @ANYRES16=r2, @ANYBLOB="01000000000000000000010000000c00050000000000006800000c0002000000000000000000040007800c0008000000000000000000080001"], 0x90}}, 0x0) 10:34:13 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$nbd(&(0x7f0000000380), r0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000000)) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) r4 = socket$netlink(0x10, 0x3, 0x0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000000c0)=ANY=[@ANYBLOB="90000000", @ANYRES16=r2, @ANYBLOB="01000000000000000000010000000c00050000000000000000000c0202000000000000000000040007800c000800000000000000000008000100000000004400078008000100", @ANYRES32, @ANYBLOB="38000100", @ANYRES32=r3, @ANYBLOB="08000100", @ANYBLOB="0800d354", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32=r4], 0x90}}, 0x0) 10:34:13 executing program 1: unshare(0x40000000) mmap(&(0x7f0000000000/0xb36000)=nil, 0xb36000, 0x3, 0x8031, 0xffffffffffffffff, 0x0) unshare(0x0) r0 = socket$netlink(0x10, 0x3, 0x0) writev(r0, &(0x7f0000000080)=[{&(0x7f00000000c0)="390000001300090468fe0700000000000000ff3f04000000480100100000000004002b000a00010014a4ee1ee438d2fd000000000000007200", 0x39}], 0x1) r1 = socket$nl_route(0x10, 0x3, 0x0) sendmsg$netlink(r1, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000100)=[{&(0x7f00000001c0)=ANY=[@ANYBLOB="2800000013000100000000000000000008000000", @ANYRES32=r1, @ANYBLOB='\f\x00\x00\x00', @ANYRES32=0x0, @ANYBLOB="08000d002e14f9"], 0x28}], 0x1}, 0x0) writev(r0, &(0x7f0000000000)=[{&(0x7f0000000040)="3900001d13001104680907000000000f0000ff3f04000000290a001700000000040037000a00030014917c82aa75b9a64411f6a4ee1ee438d2", 0x39}], 0x1) [ 2998.557032][T18470] nbd: must specify at least one socket [ 2998.623787][T18467] lo speed is unknown, defaulting to 1000 [ 2998.631608][T18475] nbd: must specify at least one socket 10:34:13 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$nbd(&(0x7f0000000380), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000000c0)=ANY=[@ANYBLOB="90000000", @ANYRES16=r2, @ANYBLOB="01000000000000000000010000000c00050000000000004800000c0002000000000000000000040007800c0008000000000000000000080001"], 0x90}}, 0x0) 10:34:13 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$nbd(&(0x7f0000000380), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000000c0)=ANY=[@ANYBLOB="90000000", @ANYRES16=r2, @ANYBLOB="01000000000000000000010000000c00050000000000006c00000c0002000000000000000000040007800c0008000000000000000000080001"], 0x90}}, 0x0) 10:34:13 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000380), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000000c0)=ANY=[@ANYBLOB="90000000", @ANYRES16=r2, @ANYBLOB="01000000000000000000010000000c00050000000000007400000c0002000000000000000000040007800c0008000000000000000000080001"], 0x90}}, 0x0) 10:34:13 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$nbd(&(0x7f0000000380), r0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000000)) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) r4 = socket$netlink(0x10, 0x3, 0x0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000000c0)=ANY=[@ANYBLOB="90000000", @ANYRES16=r2, @ANYBLOB="01000000000000000000010000000c00050000000000000000000c0302000000000000000000040007800c000800000000000000000008000100000000004400078008000100", @ANYRES32, @ANYBLOB="38000100", @ANYRES32=r3, @ANYBLOB="08000100", @ANYBLOB="0800d354", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32=r4], 0x90}}, 0x0) [ 2998.839111][T18479] lo speed is unknown, defaulting to 1000 [ 2998.990038][T18512] nbd: must specify at least one socket [ 2999.053985][T18519] nbd: must specify at least one socket 10:34:14 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000380), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000000c0)=ANY=[@ANYBLOB="90000000", @ANYRES16=r2, @ANYBLOB="01000000000000000000010000000c00050000000000004c00000c0002000000000000000000040007800c0008000000000000000000080001"], 0x90}}, 0x0) 10:34:14 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000380), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000000c0)=ANY=[@ANYBLOB="90000000", @ANYRES16=r2, @ANYBLOB="01000000000000000000010000000c00050000000000007a00000c0002000000000000000000040007800c0008000000000000000000080001"], 0x90}}, 0x0) [ 2999.663083][T18479] device gretap0 entered promiscuous mode [ 2999.675756][T18479] device gretap0 left promiscuous mode [ 2999.697789][T18467] device gretap0 entered promiscuous mode [ 2999.708612][T18479] ‘|‚ªu: renamed from gretap0 [ 2999.735027][T18479] ‘|‚ªu: default qdisc (pfifo_fast) fail, fallback to noqueue [ 2999.752319][T18479] A link change request failed with some changes committed already. Interface ‘|‚ªu may have been left with an inconsistent configuration, please check. [ 2999.770838][T18467] device gretap0 left promiscuous mode [ 2999.848008][T18479] lo speed is unknown, defaulting to 1000 [ 2999.912082][T18544] device ‘|‚ªu entered promiscuous mode [ 3000.288142][T18568] device ‘|‚ªu left promiscuous mode [ 3000.294429][T18568] ‘|‚ªu: refused to change device tx_queue_len 10:34:15 executing program 5: unshare(0x40000000) mmap(&(0x7f0000000000/0xb36000)=nil, 0xb36000, 0x3, 0x8031, 0xffffffffffffffff, 0x0) unshare(0x0) r0 = socket$netlink(0x10, 0x3, 0x0) writev(r0, &(0x7f0000000080)=[{&(0x7f00000000c0)="390000001300090468fe0700000000000000ff3f04000000480100100000000004002b000a00010014a4ee1ee438d2fd000000000000007200", 0x39}], 0x1) r1 = socket$nl_route(0x10, 0x3, 0x0) sendmsg$netlink(r1, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000100)=[{&(0x7f00000001c0)=ANY=[@ANYBLOB="2800000013000100000000000000000008000000", @ANYRES32=r1, @ANYBLOB='\f\x00\x00\x00', @ANYRES32=0x0, @ANYBLOB="08000d002e14f9"], 0x28}], 0x1}, 0x0) writev(r0, &(0x7f0000000000)=[{&(0x7f0000000040)="3900000013001104680907012d00000f0000ff3f04000000290a001700000000040037000a00030014917c82aa75b9a64411f6a4ee1ee438d2", 0x39}], 0x1) 10:34:15 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$nbd(&(0x7f0000000380), r0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000000)) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) r4 = socket$netlink(0x10, 0x3, 0x0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000000c0)=ANY=[@ANYBLOB="90000000", @ANYRES16=r2, @ANYBLOB="01000000000000000000010000000c00050000000000000000000c0402000000000000000000040007800c000800000000000000000008000100000000004400078008000100", @ANYRES32, @ANYBLOB="38000100", @ANYRES32=r3, @ANYBLOB="08000100", @ANYBLOB="0800d354", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32=r4], 0x90}}, 0x0) 10:34:15 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000380), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000000c0)=ANY=[@ANYBLOB="90000000", @ANYRES16=r2, @ANYBLOB="01000000000000000000010000000c00050000000000007400000c0002000000000000000000040007800c0008000000000000000000080001"], 0x90}}, 0x0) 10:34:15 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000380), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000000c0)=ANY=[@ANYBLOB="90000000", @ANYRES16=r2, @ANYBLOB="01000000000000000000010000000c0005000000000000f000000c0002000000000000000000040007800c0008000000000000000000080001"], 0x90}}, 0x0) 10:34:15 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000380), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000000c0)=ANY=[@ANYBLOB="90000000", @ANYRES16=r2, @ANYBLOB="01000000000000000000010000000c00050000000000006000000c0002000000000000000000040007800c0008000000000000000000080001"], 0x90}}, 0x0) 10:34:15 executing program 1: socketpair$unix(0x1, 0x5, 0x0, &(0x7f0000000000)={0xffffffffffffffff}) ioctl$sock_SIOCGIFINDEX(r0, 0x8933, &(0x7f00000000c0)={'bridge_slave_0\x00', 0x0}) r2 = socket$inet6_udplite(0xa, 0x2, 0x88) ioctl$sock_SIOCGIFINDEX(r2, 0x8933, &(0x7f0000000080)={'bridge0\x00', 0x0}) r4 = socket(0x10, 0x803, 0x0) sendmsg$nl_route(r4, &(0x7f0000000240)={0x0, 0xfffff000, &(0x7f00000001c0)={&(0x7f0000000040)=@RTM_NEWMDB={0x38, 0x54, 0x1, 0x0, 0x0, {0x7, r3}, [@MDBA_SET_ENTRY={0x20, 0x1, {r1, 0x0, 0x0, 0x0, {@in6_addr=@mcast1}}}]}, 0x38}}, 0x0) [ 3000.588069][T18581] nbd: must specify at least one socket [ 3000.634206][T18584] nbd: must specify at least one socket 10:34:15 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$nbd(&(0x7f0000000380), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000000c0)=ANY=[@ANYBLOB="90000000", @ANYRES16=r2, @ANYBLOB="01000000000000000000010000000c00050000000000006800000c0002000000000000000000040007800c0008000000000000000000080001"], 0x90}}, 0x0) 10:34:15 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$nbd(&(0x7f0000000380), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000000c0)=ANY=[@ANYBLOB="90000000", @ANYRES16=r2, @ANYBLOB="01000000000000000000010000000c00050000000000007a00000c0002000000000000000000040007800c0008000000000000000000080001"], 0x90}}, 0x0) 10:34:15 executing program 1: unshare(0x40000000) mmap(&(0x7f0000000000/0xb36000)=nil, 0xb36000, 0x3, 0x8031, 0xffffffffffffffff, 0x0) unshare(0x0) r0 = socket$netlink(0x10, 0x3, 0x0) writev(r0, &(0x7f0000000080)=[{&(0x7f00000000c0)="390000001300090468fe0700000000000000ff3f04000000480100100000000004002b000a00010014a4ee1ee438d2fd000000000000007200", 0x39}], 0x1) r1 = socket$nl_route(0x10, 0x3, 0x0) sendmsg$netlink(r1, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000100)=[{&(0x7f00000001c0)=ANY=[@ANYBLOB="2800000013000100000000000000000008000000", @ANYRES32=r1, @ANYBLOB='\f\x00\x00\x00', @ANYRES32=0x0, @ANYBLOB="08000d002e14f9"], 0x28}], 0x1}, 0x0) writev(r0, &(0x7f0000000000)=[{&(0x7f0000000040)="3900021513001104680907000000000f0000ff3f04000000290a001700000000040037000a00030014917c82aa75b9a64411f6a4ee1ee438d2", 0x39}], 0x1) 10:34:15 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000380), r0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000000)) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) r4 = socket$netlink(0x10, 0x3, 0x0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000000c0)=ANY=[@ANYBLOB="90000000", @ANYRES16=r2, @ANYBLOB="01000000000000000000010000000c00050000000000000000000c0502000000000000000000040007800c000800000000000000000008000100000000004400078008000100", @ANYRES32, @ANYBLOB="38000100", @ANYRES32=r3, @ANYBLOB="08000100", @ANYBLOB="0800d354", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32=r4], 0x90}}, 0x0) 10:34:15 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000380), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000000c0)=ANY=[@ANYBLOB="90000000", @ANYRES16=r2, @ANYBLOB="01000000000000000000010000000c00050000000000000003000c0002000000000000000000040007800c0008000000000000000000080001"], 0x90}}, 0x0) 10:34:16 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$nbd(&(0x7f0000000380), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000000c0)=ANY=[@ANYBLOB="90000000", @ANYRES16=r2, @ANYBLOB="01000000000000000000010000000c00050000000000006c00000c0002000000000000000000040007800c0008000000000000000000080001"], 0x90}}, 0x0) [ 3000.954098][T18603] nbd: must specify at least one socket [ 3000.970564][T18585] lo speed is unknown, defaulting to 1000 [ 3001.033577][T18598] lo speed is unknown, defaulting to 1000 [ 3001.048256][T18610] nbd: must specify at least one socket [ 3001.563902][T18585] device gretap0 entered promiscuous mode [ 3001.575795][T18585] device gretap0 left promiscuous mode [ 3001.586118][T18585] ‘|‚ªu: renamed from gretap0 [ 3001.594404][T18585] ‘|‚ªu: default qdisc (pfifo_fast) fail, fallback to noqueue [ 3001.630559][T18585] A link change request failed with some changes committed already. Interface ‘|‚ªu may have been left with an inconsistent configuration, please check. [ 3001.800149][T18598] device gretap0 entered promiscuous mode [ 3001.806374][T18602] ‘|‚ªu: refused to change device tx_queue_len [ 3001.818184][T18653] __nla_validate_parse: 32 callbacks suppressed [ 3001.818203][T18653] netlink: 9 bytes leftover after parsing attributes in process `syz-executor.5'. [ 3001.899572][T18653] device ‘|‚ªu entered promiscuous mode [ 3001.988795][T18585] lo speed is unknown, defaulting to 1000 10:34:17 executing program 5: unshare(0x40000000) mmap(&(0x7f0000000000/0xb36000)=nil, 0xb36000, 0x3, 0x8031, 0xffffffffffffffff, 0x0) unshare(0x0) r0 = socket$netlink(0x10, 0x3, 0x0) writev(r0, &(0x7f0000000080)=[{&(0x7f00000000c0)="390000001300090468fe0700000000000000ff3f04000000480100100000000004002b000a00010014a4ee1ee438d2fd000000000000007200", 0x39}], 0x1) r1 = socket$nl_route(0x10, 0x3, 0x0) sendmsg$netlink(r1, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000100)=[{&(0x7f00000001c0)=ANY=[@ANYBLOB="2800000013000100000000000000000008000000", @ANYRES32=r1, @ANYBLOB='\f\x00\x00\x00', @ANYRES32=0x0, @ANYBLOB="08000d002e14f9"], 0x28}], 0x1}, 0x0) writev(r0, &(0x7f0000000000)=[{&(0x7f0000000040)="3900000013001104680907012e00000f0000ff3f04000000290a001700000000040037000a00030014917c82aa75b9a64411f6a4ee1ee438d2", 0x39}], 0x1) 10:34:17 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000380), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000000c0)=ANY=[@ANYBLOB="90000000", @ANYRES16=r2, @ANYBLOB="01000000000000000000010000000c00050000000000004003000c0002000000000000000000040007800c0008000000000000000000080001"], 0x90}}, 0x0) 10:34:17 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000380), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000000c0)=ANY=[@ANYBLOB="90000000", @ANYRES16=r2, @ANYBLOB="01000000000000000000010000000c0005000000e160dc9500000c0002000000000000000000040007800c0008000000000000000000080001"], 0x90}}, 0x0) 10:34:17 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000380), r0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000000)) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) r4 = socket$netlink(0x10, 0x3, 0x0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000000c0)=ANY=[@ANYBLOB="90000000", @ANYRES16=r2, @ANYBLOB="01000000000000000000010000000c00050000000000000000000c0602000000000000000000040007800c000800000000000000000008000100000000004400078008000100", @ANYRES32, @ANYBLOB="38000100", @ANYRES32=r3, @ANYBLOB="08000100", @ANYBLOB="0800d354", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32=r4], 0x90}}, 0x0) 10:34:17 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$nbd(&(0x7f0000000380), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000000c0)=ANY=[@ANYBLOB="90000000", @ANYRES16=r2, @ANYBLOB="01000000000000000000010000000c00050000000000007400000c0002000000000000000000040007800c0008000000000000000000080001"], 0x90}}, 0x0) 10:34:17 executing program 1: unshare(0x40000000) mmap(&(0x7f0000000000/0xb36000)=nil, 0xb36000, 0x3, 0x8031, 0xffffffffffffffff, 0x0) unshare(0x0) r0 = socket$netlink(0x10, 0x3, 0x0) writev(r0, &(0x7f0000000080)=[{&(0x7f00000000c0)="390000001300090468fe0700000000000000ff3f04000000480100100000000004002b000a00010014a4ee1ee438d2fd000000000000007200", 0x39}], 0x1) r1 = socket$nl_route(0x10, 0x3, 0x0) sendmsg$netlink(r1, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000100)=[{&(0x7f00000001c0)=ANY=[@ANYBLOB="2800000013000100000000000000000008000000", @ANYRES32=r1, @ANYBLOB='\f\x00\x00\x00', @ANYRES32=0x0, @ANYBLOB="08000d002e14f9"], 0x28}], 0x1}, 0x0) writev(r0, &(0x7f0000000000)=[{&(0x7f0000000040)="3900011513001104680907000000000f0000ff3f04000000290a001700000000040037000a00030014917c82aa75b9a64411f6a4ee1ee438d2", 0x39}], 0x1) [ 3002.550908][T18689] netlink: 112 bytes leftover after parsing attributes in process `syz-executor.4'. [ 3002.578154][T18689] nbd: must specify at least one socket [ 3002.605435][T18688] lo speed is unknown, defaulting to 1000 [ 3002.615083][T18690] netlink: 76 bytes leftover after parsing attributes in process `syz-executor.0'. [ 3002.654126][T18692] netlink: 76 bytes leftover after parsing attributes in process `syz-executor.3'. [ 3002.691577][T18691] netlink: 76 bytes leftover after parsing attributes in process `syz-executor.2'. [ 3002.715530][T18697] netlink: 112 bytes leftover after parsing attributes in process `syz-executor.4'. [ 3002.746881][T18697] nbd: must specify at least one socket [ 3002.765178][T18699] lo speed is unknown, defaulting to 1000 10:34:17 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000380), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000000c0)=ANY=[@ANYBLOB="90000000", @ANYRES16=r2, @ANYBLOB="01000000000000000000010000000c0005000000ffffff9e00000c0002000000000000000000040007800c0008000000000000000000080001"], 0x90}}, 0x0) 10:34:18 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000380), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000000c0)=ANY=[@ANYBLOB="90000000", @ANYRES16=r2, @ANYBLOB="01000000000000000000010000000c00050000000000007a00000c0002000000000000000000040007800c0008000000000000000000080001"], 0x90}}, 0x0) 10:34:18 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000380), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000000c0)=ANY=[@ANYBLOB="90000000", @ANYRES16=r2, @ANYBLOB="01000000000000000000010000000c00050000000000000340000c0002000000000000000000040007800c0008000000000000000000080001"], 0x90}}, 0x0) 10:34:18 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000380), r0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000000)) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) r4 = socket$netlink(0x10, 0x3, 0x0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000000c0)=ANY=[@ANYBLOB="90000000", @ANYRES16=r2, @ANYBLOB="01000000000000000000010000000c00050000000000000000000c0702000000000000000000040007800c000800000000000000000008000100000000004400078008000100", @ANYRES32, @ANYBLOB="38000100", @ANYRES32=r3, @ANYBLOB="08000100", @ANYBLOB="0800d354", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32=r4], 0x90}}, 0x0) [ 3003.076601][T18735] netlink: 76 bytes leftover after parsing attributes in process `syz-executor.3'. [ 3003.141037][T18747] netlink: 76 bytes leftover after parsing attributes in process `syz-executor.0'. [ 3003.174223][T18744] netlink: 76 bytes leftover after parsing attributes in process `syz-executor.2'. [ 3003.233455][T18750] netlink: 112 bytes leftover after parsing attributes in process `syz-executor.4'. [ 3003.262560][T18750] nbd: must specify at least one socket 10:34:18 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$nbd(&(0x7f0000000380), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000000c0)=ANY=[@ANYBLOB="90000000", @ANYRES16=r2, @ANYBLOB="01000000000000000000010000000c0005000000000015a000000c0002000000000000000000040007800c0008000000000000000000080001"], 0x90}}, 0x0) 10:34:18 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000380), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000000c0)=ANY=[@ANYBLOB="90000000", @ANYRES16=r2, @ANYBLOB="01000000000000000000010000000c00050000000000fffff0000c0002000000000000000000040007800c0008000000000000000000080001"], 0x90}}, 0x0) [ 3003.316305][T18756] nbd: must specify at least one socket [ 3003.710447][T18699] device gretap0 entered promiscuous mode [ 3003.722785][T18699] device gretap0 left promiscuous mode [ 3003.747214][T18699] ‘|‚ªu: renamed from gretap0 [ 3003.760741][T18699] ‘|‚ªu: default qdisc (pfifo_fast) fail, fallback to noqueue [ 3003.801861][T18699] A link change request failed with some changes committed already. Interface ‘|‚ªu may have been left with an inconsistent configuration, please check. [ 3003.839806][T18688] device gretap0 entered promiscuous mode [ 3003.845994][T18693] ‘|‚ªu: refused to change device tx_queue_len [ 3003.893106][T18699] lo speed is unknown, defaulting to 1000 [ 3004.020384][T18785] device ‘|‚ªu left promiscuous mode [ 3004.026317][T18785] ‘|‚ªu: refused to change device tx_queue_len 10:34:19 executing program 5: unshare(0x40000000) mmap(&(0x7f0000000000/0xb36000)=nil, 0xb36000, 0x3, 0x8031, 0xffffffffffffffff, 0x0) unshare(0x0) r0 = socket$netlink(0x10, 0x3, 0x0) writev(r0, &(0x7f0000000080)=[{&(0x7f00000000c0)="390000001300090468fe0700000000000000ff3f04000000480100100000000004002b000a00010014a4ee1ee438d2fd000000000000007200", 0x39}], 0x1) r1 = socket$nl_route(0x10, 0x3, 0x0) sendmsg$netlink(r1, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000100)=[{&(0x7f00000001c0)=ANY=[@ANYBLOB="2800000013000100000000000000000008000000", @ANYRES32=r1, @ANYBLOB='\f\x00\x00\x00', @ANYRES32=0x0, @ANYBLOB="08000d002e14f9"], 0x28}], 0x1}, 0x0) writev(r0, &(0x7f0000000000)=[{&(0x7f0000000040)="3900000013001104680907023000000f0000ff3f04000000290a001700000000040037000a00030014917c82aa75b9a64411f6a4ee1ee438d2", 0x39}], 0x1) 10:34:19 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000380), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000000c0)=ANY=[@ANYBLOB="90000000", @ANYRES16=r2, @ANYBLOB="01007a00000000000000010000000c00050000000000000000000c0002000000000000000000040007800c0008000000000000000000080001"], 0x90}}, 0x0) 10:34:19 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000380), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000000c0)=ANY=[@ANYBLOB="90000000", @ANYRES16=r2, @ANYBLOB="01000000000000000000010000000c0005000000000000f000000c0002000000000000000000040007800c0008000000000000000000080001"], 0x90}}, 0x0) 10:34:19 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000380), r0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000000)) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) r4 = socket$netlink(0x10, 0x3, 0x0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000000c0)=ANY=[@ANYBLOB="90000000", @ANYRES16=r2, @ANYBLOB="01000000000000000000010000000c00050000000000000000000c0902000000000000000000040007800c000800000000000000000008000100000000004400078008000100", @ANYRES32, @ANYBLOB="38000100", @ANYRES32=r3, @ANYBLOB="08000100", @ANYBLOB="0800d354", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32=r4], 0x90}}, 0x0) 10:34:19 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000380), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000000c0)=ANY=[@ANYBLOB="90000000", @ANYRES16=r2, @ANYBLOB="01000000000000000000010000000c00050000000000000000010c0002000000000000000000040007800c0008000000000000000000080001"], 0x90}}, 0x0) 10:34:19 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$nbd(&(0x7f0000000380), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000000c0)=ANY=[@ANYBLOB="90000000", @ANYRES16=r2, @ANYBLOB="01000000000000000000010000000c000500000095dc60e100000c0002000000000000000000040007800c0008000000000000000000080001"], 0x90}}, 0x0) [ 3004.381114][T18801] nbd: must specify at least one socket [ 3004.451855][T18808] nbd: must specify at least one socket 10:34:19 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$nbd(&(0x7f0000000380), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000000c0)=ANY=[@ANYBLOB="90000000", @ANYRES16=r2, @ANYBLOB="25000000000000000000010000000c00050000000000000000000c0002000000000000000000040007800c0008000000000000000000080001"], 0x90}}, 0x0) 10:34:19 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$nbd(&(0x7f0000000380), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000000c0)=ANY=[@ANYBLOB="90000000", @ANYRES16=r2, @ANYBLOB="01000000000000000000010000000c0005000000fffffff000000c0002000000000000000000040007800c0008000000000000000000080001"], 0x90}}, 0x0) 10:34:19 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000380), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000000c0)=ANY=[@ANYBLOB="90000000", @ANYRES16=r2, @ANYBLOB="01000000000000000000010000000c00050000000000000000020c0002000000000000000000040007800c0008000000000000000000080001"], 0x90}}, 0x0) 10:34:19 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_genetlink_get_family_id$nbd(&(0x7f0000000380), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000000c0)=ANY=[@ANYBLOB="90000000", @ANYRES16=r2, @ANYBLOB="01000000000000000000010000000c00050000000000000003000c0002000000000000000000040007800c0008000000000000000000080001"], 0x90}}, 0x0) 10:34:19 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$nbd(&(0x7f0000000380), r0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000000)) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) r4 = socket$netlink(0x10, 0x3, 0x0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000000c0)=ANY=[@ANYBLOB="90000000", @ANYRES16=r2, @ANYBLOB="01000000000000000000010000000c00050000000000000000000c0a02000000000000000000040007800c000800000000000000000008000100000000004400078008000100", @ANYRES32, @ANYBLOB="38000100", @ANYRES32=r3, @ANYBLOB="08000100", @ANYBLOB="0800d354", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32=r4], 0x90}}, 0x0) [ 3004.574793][T18812] lo speed is unknown, defaulting to 1000 [ 3004.835704][T18838] nbd: must specify at least one socket 10:34:20 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000380), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000000c0)=ANY=[@ANYBLOB="90000000", @ANYRES16=r2, @ANYBLOB="01000000000000000000010000000c000500000000f0ffff00000c0002000000000000000000040007800c0008000000000000000000080001"], 0x90}}, 0x0) [ 3004.905842][T18846] nbd: must specify at least one socket [ 3005.297566][T18812] device gretap0 entered promiscuous mode [ 3005.320227][T18812] device gretap0 left promiscuous mode [ 3005.337223][T18812] ‘|‚ªu: renamed from gretap0 [ 3005.370022][T18812] ‘|‚ªu: default qdisc (pfifo_fast) fail, fallback to noqueue [ 3005.386780][T18812] A link change request failed with some changes committed already. Interface ‘|‚ªu may have been left with an inconsistent configuration, please check. [ 3005.460737][T18812] lo speed is unknown, defaulting to 1000 [ 3005.583911][T18812] device ‘|‚ªu entered promiscuous mode 10:34:20 executing program 5: unshare(0x40000000) mmap(&(0x7f0000000000/0xb36000)=nil, 0xb36000, 0x3, 0x8031, 0xffffffffffffffff, 0x0) unshare(0x0) r0 = socket$netlink(0x10, 0x3, 0x0) writev(r0, &(0x7f0000000080)=[{&(0x7f00000000c0)="390000001300090468fe0700000000000000ff3f04000000480100100000000004002b000a00010014a4ee1ee438d2fd000000000000007200", 0x39}], 0x1) r1 = socket$nl_route(0x10, 0x3, 0x0) sendmsg$netlink(r1, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000100)=[{&(0x7f00000001c0)=ANY=[@ANYBLOB="2800000013000100000000000000000008000000", @ANYRES32=r1, @ANYBLOB='\f\x00\x00\x00', @ANYRES32=0x0, @ANYBLOB="08000d002e14f9"], 0x28}], 0x1}, 0x0) writev(r0, &(0x7f0000000000)=[{&(0x7f0000000040)="3900000013001104680907013100000f0000ff3f04000000290a001700000000040037000a00030014917c82aa75b9a64411f6a4ee1ee438d2", 0x39}], 0x1) 10:34:20 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$nbd(&(0x7f0000000380), r0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000000)) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) r4 = socket$netlink(0x10, 0x3, 0x0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000000c0)=ANY=[@ANYBLOB="90000000", @ANYRES16=r2, @ANYBLOB="01000000000000000000020000000c00050000000000000000000c0002000000000000000000040007800c000800000000000000000008000100000000004400078008000100", @ANYRES32, @ANYBLOB="38000100", @ANYRES32=r3, @ANYBLOB="08000100", @ANYBLOB="0800d354", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32=r4], 0x90}}, 0x0) 10:34:20 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000380), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000000c0)=ANY=[@ANYBLOB="90000000", @ANYRES16=r2, @ANYBLOB="01000000000000000000010000000c00050000000000004003000c0002000000000000000000040007800c0008000000000000000000080001"], 0x90}}, 0x0) 10:34:20 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000380), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000000c0)=ANY=[@ANYBLOB="90000000", @ANYRES16=r2, @ANYBLOB="01000000000000000000010000000c00050000000000000000030c0002000000000000000000040007800c0008000000000000000000080001"], 0x90}}, 0x0) 10:34:20 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000380), r0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000000)) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) r4 = socket$netlink(0x10, 0x3, 0x0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000000c0)=ANY=[@ANYBLOB="90000000", @ANYRES16=r2, @ANYBLOB="01000000000000000000010000000c00050000000000000000000c4802000000000000000000040007800c000800000000000000000008000100000000004400078008000100", @ANYRES32, @ANYBLOB="38000100", @ANYRES32=r3, @ANYBLOB="08000100", @ANYBLOB="0800d354", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32=r4], 0x90}}, 0x0) 10:34:20 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$nbd(&(0x7f0000000380), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000000c0)=ANY=[@ANYBLOB="90000000", @ANYRES16=r2, @ANYBLOB="01000000000000000000010000000c00050000007fffffff00000c0002000000000000000000040007800c0008000000000000000000080001"], 0x90}}, 0x0) [ 3005.845620][T18885] nbd: must specify at least one socket [ 3005.894857][T18890] nbd: must specify at least one socket 10:34:21 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$nbd(&(0x7f0000000380), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000000c0)=ANY=[@ANYBLOB="90000000", @ANYRES16=r2, @ANYBLOB="01000000000000000000010000000c00050000000000000340000c0002000000000000000000040007800c0008000000000000000000080001"], 0x90}}, 0x0) 10:34:21 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$nbd(&(0x7f0000000380), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000000c0)=ANY=[@ANYBLOB="90000000", @ANYRES16=r2, @ANYBLOB="01000000000000000000010000000c00050000009effffff00000c0002000000000000000000040007800c0008000000000000000000080001"], 0x90}}, 0x0) 10:34:21 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000380), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000000c0)=ANY=[@ANYBLOB="90000000", @ANYRES16=r2, @ANYBLOB="01000000000000000000010000000c00050000000000000000040c0002000000000000000000040007800c0008000000000000000000080001"], 0x90}}, 0x0) [ 3006.004305][T18894] lo speed is unknown, defaulting to 1000 10:34:21 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$nbd(&(0x7f0000000380), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000000c0)=ANY=[@ANYBLOB="90000000", @ANYRES16=r2, @ANYBLOB="01000000000000000000010000000c00050000007fffffff00000c0002000000000000000000040007800c0008000000000000000000080001"], 0x90}}, 0x0) 10:34:21 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$nbd(&(0x7f0000000380), r0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000000)) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) r4 = socket$netlink(0x10, 0x3, 0x0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000000c0)=ANY=[@ANYBLOB="90000000", @ANYRES16=r2, @ANYBLOB="01000000000000000000010000000c00050000000000000000000c4c02000000000000000000040007800c000800000000000000000008000100000000004400078008000100", @ANYRES32, @ANYBLOB="38000100", @ANYRES32=r3, @ANYBLOB="08000100", @ANYBLOB="0800d354", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32=r4], 0x90}}, 0x0) 10:34:21 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000380), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000000c0)=ANY=[@ANYBLOB="90000000", @ANYRES16=r2, @ANYBLOB="01000000000000000000010000000c00050000000000fffff0000c0002000000000000000000040007800c0008000000000000000000080001"], 0x90}}, 0x0) [ 3006.316478][T18927] nbd: must specify at least one socket [ 3006.386226][T18930] nbd: must specify at least one socket [ 3006.695835][T18894] device gretap0 entered promiscuous mode [ 3006.703027][T18894] device gretap0 left promiscuous mode [ 3006.710513][T18894] ‘|‚ªu: renamed from gretap0 [ 3006.717726][T18894] ‘|‚ªu: default qdisc (pfifo_fast) fail, fallback to noqueue [ 3006.727375][T18894] A link change request failed with some changes committed already. Interface ‘|‚ªu may have been left with an inconsistent configuration, please check. [ 3006.777456][T18894] lo speed is unknown, defaulting to 1000 [ 3006.890396][T18935] __nla_validate_parse: 40 callbacks suppressed [ 3006.890417][T18935] netlink: 9 bytes leftover after parsing attributes in process `syz-executor.5'. 10:34:22 executing program 5: unshare(0x40000000) mmap(&(0x7f0000000000/0xb36000)=nil, 0xb36000, 0x3, 0x8031, 0xffffffffffffffff, 0x0) unshare(0x0) r0 = socket$netlink(0x10, 0x3, 0x0) writev(r0, &(0x7f0000000080)=[{&(0x7f00000000c0)="390000001300090468fe0700000000000000ff3f04000000480100100000000004002b000a00010014a4ee1ee438d2fd000000000000007200", 0x39}], 0x1) r1 = socket$nl_route(0x10, 0x3, 0x0) sendmsg$netlink(r1, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000100)=[{&(0x7f00000001c0)=ANY=[@ANYBLOB="2800000013000100000000000000000008000000", @ANYRES32=r1, @ANYBLOB='\f\x00\x00\x00', @ANYRES32=0x0, @ANYBLOB="08000d002e14f9"], 0x28}], 0x1}, 0x0) writev(r0, &(0x7f0000000000)=[{&(0x7f0000000040)="3900000013001104680907023200000f0000ff3f04000000290a001700000000040037000a00030014917c82aa75b9a64411f6a4ee1ee438d2", 0x39}], 0x1) 10:34:22 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$nbd(&(0x7f0000000380), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000000c0)=ANY=[@ANYBLOB="90000000", @ANYRES16=r2, @ANYBLOB="01000000000000000000010000000c00050000000000000000010c0002000000000000000000040007800c0008000000000000000000080001"], 0x90}}, 0x0) 10:34:22 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000380), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000000c0)=ANY=[@ANYBLOB="90000000", @ANYRES16=r2, @ANYBLOB="01000000000000000000010000000c00050000000000000000050c0002000000000000000000040007800c0008000000000000000000080001"], 0x90}}, 0x0) 10:34:22 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$nbd(&(0x7f0000000380), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000000c0)=ANY=[@ANYBLOB="90000000", @ANYRES16=r2, @ANYBLOB="01000000000000000000010000000c0005000000f0ffffff00000c0002000000000000000000040007800c0008000000000000000000080001"], 0x90}}, 0x0) 10:34:22 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$nbd(&(0x7f0000000380), r0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000000)) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) r4 = socket$netlink(0x10, 0x3, 0x0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000000c0)=ANY=[@ANYBLOB="90000000", @ANYRES16=r2, @ANYBLOB="01000000000000000000010000000c00050000000000000000000c6002000000000000000000040007800c000800000000000000000008000100000000004400078008000100", @ANYRES32, @ANYBLOB="38000100", @ANYRES32=r3, @ANYBLOB="08000100", @ANYBLOB="0800d354", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32=r4], 0x90}}, 0x0) 10:34:22 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000380), r0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000000)) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) r4 = socket$netlink(0x10, 0x3, 0x0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000000c0)=ANY=[@ANYBLOB="90000000", @ANYRES16=r2, @ANYBLOB="01000000000000000000010000000c00050000030000000000000c0002000000000000000000040007800c000800000000000000000008000100000000004400078008000100", @ANYRES32, @ANYBLOB="38000100", @ANYRES32=r3, @ANYBLOB="08000100", @ANYBLOB="0800d354", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32=r4], 0x90}}, 0x0) (fail_nth: 1) [ 3007.174468][T18964] netlink: 112 bytes leftover after parsing attributes in process `syz-executor.4'. [ 3007.216188][T18964] nbd: must specify at least one socket [ 3007.237533][T18968] netlink: 76 bytes leftover after parsing attributes in process `syz-executor.0'. [ 3007.239743][T18965] FAULT_INJECTION: forcing a failure. [ 3007.239743][T18965] name fail_usercopy, interval 1, probability 0, space 0, times 0 [ 3007.287499][T18967] netlink: 76 bytes leftover after parsing attributes in process `syz-executor.2'. [ 3007.297956][T18969] lo speed is unknown, defaulting to 1000 [ 3007.326998][T18966] netlink: 76 bytes leftover after parsing attributes in process `syz-executor.3'. [ 3007.330016][T18965] CPU: 0 PID: 18965 Comm: syz-executor.1 Not tainted 5.15.0-rc6-syzkaller #0 [ 3007.345166][T18965] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 3007.355243][T18965] Call Trace: [ 3007.358538][T18965] dump_stack_lvl+0xcd/0x134 [ 3007.363158][T18965] should_fail.cold+0x5/0xa [ 3007.367690][T18965] _copy_from_user+0x2c/0x180 [ 3007.372392][T18965] __copy_msghdr_from_user+0x91/0x4b0 [ 3007.377797][T18965] ? __ia32_sys_shutdown+0x70/0x70 [ 3007.382937][T18965] ? mark_lock+0xef/0x17b0 [ 3007.387382][T18965] ? lockdep_hardirqs_on_prepare+0x400/0x400 [ 3007.393407][T18965] sendmsg_copy_msghdr+0xa1/0x160 [ 3007.398457][T18965] ? do_recvmmsg+0x6d0/0x6d0 [ 3007.403077][T18965] ? lock_chain_count+0x20/0x20 [ 3007.407955][T18965] ? lockdep_hardirqs_on_prepare+0x400/0x400 [ 3007.414145][T18965] ___sys_sendmsg+0xc6/0x170 [ 3007.418802][T18965] ? sendmsg_copy_msghdr+0x160/0x160 [ 3007.424120][T18965] ? __fget_files+0x21b/0x3e0 [ 3007.428824][T18965] ? lock_downgrade+0x6e0/0x6e0 [ 3007.433711][T18965] ? __fget_files+0x23d/0x3e0 [ 3007.438414][T18965] ? __fget_light+0xea/0x280 [ 3007.443037][T18965] ? __sanitizer_cov_trace_const_cmp8+0x1d/0x70 [ 3007.449316][T18965] __sys_sendmsg+0xe5/0x1b0 [ 3007.453848][T18965] ? __sys_sendmsg_sock+0x30/0x30 [ 3007.458913][T18965] ? syscall_enter_from_user_mode+0x21/0x70 [ 3007.464848][T18965] do_syscall_64+0x35/0xb0 [ 3007.469311][T18965] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 3007.475229][T18965] RIP: 0033:0x7fa9749e7a39 [ 3007.479831][T18965] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 bc ff ff ff f7 d8 64 89 01 48 [ 3007.499555][T18965] RSP: 002b:00007fa971f5d188 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 3007.507990][T18965] RAX: ffffffffffffffda RBX: 00007fa974aeaf60 RCX: 00007fa9749e7a39 [ 3007.515984][T18965] RDX: 0000000000000000 RSI: 00000000200002c0 RDI: 0000000000000005 [ 3007.523978][T18965] RBP: 00007fa971f5d1d0 R08: 0000000000000000 R09: 0000000000000000 10:34:22 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000380), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000000c0)=ANY=[@ANYBLOB="90000000", @ANYRES16=r2, @ANYBLOB="01000000000000000000010000000c00050000000000000000060c0002000000000000000000040007800c0008000000000000000000080001"], 0x90}}, 0x0) [ 3007.529299][T18976] netlink: 112 bytes leftover after parsing attributes in process `syz-executor.4'. [ 3007.531961][T18965] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001 [ 3007.531982][T18965] R13: 00007ffe4e086e9f R14: 00007fa971f5d300 R15: 0000000000022000 10:34:22 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$nbd(&(0x7f0000000380), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000000c0)=ANY=[@ANYBLOB="90000000", @ANYRES16=r2, @ANYBLOB="01000000000000000000010000000c00050000000002000000000c0002000000000000000000040007800c0008000000000000000000080001"], 0x90}}, 0x0) 10:34:22 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$nbd(&(0x7f0000000380), r0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000000)) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) r4 = socket$netlink(0x10, 0x3, 0x0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000000c0)=ANY=[@ANYBLOB="90000000", @ANYRES16=r2, @ANYBLOB="01000000000000000000010000000c00050000030000000000000c0002000000000000000000040007800c000800000000000000000008000100000000004400078008000100", @ANYRES32, @ANYBLOB="38000100", @ANYRES32=r3, @ANYBLOB="08000100", @ANYBLOB="0800d354", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32=r4], 0x90}}, 0x0) (fail_nth: 2) [ 3007.659089][T18976] nbd: must specify at least one socket 10:34:22 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000380), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000000c0)=ANY=[@ANYBLOB="90000000", @ANYRES16=r2, @ANYBLOB="01000000000000000000010000000c00050000000000000000020c0002000000000000000000040007800c0008000000000000000000080001"], 0x90}}, 0x0) [ 3007.740228][T18999] netlink: 76 bytes leftover after parsing attributes in process `syz-executor.3'. 10:34:22 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000380), r0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000000)) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) r4 = socket$netlink(0x10, 0x3, 0x0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000000c0)=ANY=[@ANYBLOB="90000000", @ANYRES16=r2, @ANYBLOB="01000000000000000000010000000c00050000000000000000000c6802000000000000000000040007800c000800000000000000000008000100000000004400078008000100", @ANYRES32, @ANYBLOB="38000100", @ANYRES32=r3, @ANYBLOB="08000100", @ANYBLOB="0800d354", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32=r4], 0x90}}, 0x0) [ 3007.842660][T19002] netlink: 76 bytes leftover after parsing attributes in process `syz-executor.0'. 10:34:23 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000380), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000000c0)=ANY=[@ANYBLOB="90000000", @ANYRES16=r2, @ANYBLOB="01000000000000000000010000000c00050000000000000000070c0002000000000000000000040007800c0008000000000000000000080001"], 0x90}}, 0x0) [ 3007.912616][T19005] FAULT_INJECTION: forcing a failure. [ 3007.912616][T19005] name fail_usercopy, interval 1, probability 0, space 0, times 0 [ 3007.980277][T19008] netlink: 76 bytes leftover after parsing attributes in process `syz-executor.2'. [ 3007.995786][T19005] CPU: 0 PID: 19005 Comm: syz-executor.1 Not tainted 5.15.0-rc6-syzkaller #0 [ 3008.004603][T19005] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 3008.014681][T19005] Call Trace: [ 3008.017966][T19005] dump_stack_lvl+0xcd/0x134 [ 3008.022569][T19005] should_fail.cold+0x5/0xa [ 3008.027077][T19005] _copy_from_user+0x2c/0x180 [ 3008.031761][T19005] iovec_from_user+0x242/0x3c0 [ 3008.036533][T19005] __import_iovec+0x65/0x580 [ 3008.041132][T19005] import_iovec+0x10c/0x150 [ 3008.045642][T19005] sendmsg_copy_msghdr+0x12d/0x160 [ 3008.050754][T19005] ? do_recvmmsg+0x6d0/0x6d0 [ 3008.055344][T19005] ? lock_chain_count+0x20/0x20 [ 3008.060195][T19005] ? lockdep_hardirqs_on_prepare+0x400/0x400 [ 3008.066185][T19005] ___sys_sendmsg+0xc6/0x170 [ 3008.070777][T19005] ? sendmsg_copy_msghdr+0x160/0x160 [ 3008.076068][T19005] ? __fget_files+0x21b/0x3e0 [ 3008.080751][T19005] ? lock_downgrade+0x6e0/0x6e0 [ 3008.085611][T19005] ? __fget_files+0x23d/0x3e0 [ 3008.090296][T19005] ? __fget_light+0xea/0x280 [ 3008.094886][T19005] ? __sanitizer_cov_trace_const_cmp8+0x1d/0x70 [ 3008.101137][T19005] __sys_sendmsg+0xe5/0x1b0 [ 3008.105642][T19005] ? __sys_sendmsg_sock+0x30/0x30 [ 3008.110681][T19005] ? syscall_enter_from_user_mode+0x21/0x70 [ 3008.116588][T19005] do_syscall_64+0x35/0xb0 [ 3008.121009][T19005] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 3008.126902][T19005] RIP: 0033:0x7fa9749e7a39 [ 3008.131316][T19005] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 bc ff ff ff f7 d8 64 89 01 48 [ 3008.151010][T19005] RSP: 002b:00007fa971f5d188 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 3008.159425][T19005] RAX: ffffffffffffffda RBX: 00007fa974aeaf60 RCX: 00007fa9749e7a39 [ 3008.167394][T19005] RDX: 0000000000000000 RSI: 00000000200002c0 RDI: 0000000000000005 [ 3008.175363][T19005] RBP: 00007fa971f5d1d0 R08: 0000000000000000 R09: 0000000000000000 [ 3008.183329][T19005] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001 [ 3008.191313][T19005] R13: 00007ffe4e086e9f R14: 00007fa971f5d300 R15: 0000000000022000 [ 3008.265470][T19011] netlink: 112 bytes leftover after parsing attributes in process `syz-executor.4'. [ 3008.308549][T19011] nbd: must specify at least one socket [ 3008.493836][T18969] device gretap0 entered promiscuous mode [ 3008.501047][T18969] device gretap0 left promiscuous mode [ 3008.511023][T18969] ‘|‚ªu: renamed from gretap0 [ 3008.530228][T18969] ‘|‚ªu: default qdisc (pfifo_fast) fail, fallback to noqueue [ 3008.551387][T18969] A link change request failed with some changes committed already. Interface ‘|‚ªu may have been left with an inconsistent configuration, please check. [ 3008.633884][T18969] lo speed is unknown, defaulting to 1000 [ 3009.018511][T19040] device ‘|‚ªu left promiscuous mode [ 3009.028458][T19040] ‘|‚ªu: refused to change device tx_queue_len 10:34:24 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$nbd(&(0x7f0000000380), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000000c0)=ANY=[@ANYBLOB="90000000", @ANYRES16=r2, @ANYBLOB="01000000000000000000010000000c00050000000000000000030c0002000000000000000000040007800c0008000000000000000000080001"], 0x90}}, 0x0) 10:34:24 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$nbd(&(0x7f0000000380), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000000c0)=ANY=[@ANYBLOB="90000000", @ANYRES16=r2, @ANYBLOB="01000000000000000000010000000c00050000000003000000000c0002000000000000000000040007800c0008000000000000000000080001"], 0x90}}, 0x0) 10:34:24 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000380), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000000c0)=ANY=[@ANYBLOB="90000000", @ANYRES16=r2, @ANYBLOB="01000000000000000000010000000c00050000000000000000090c0002000000000000000000040007800c0008000000000000000000080001"], 0x90}}, 0x0) 10:34:24 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$nbd(&(0x7f0000000380), r0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000000)) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) r4 = socket$netlink(0x10, 0x3, 0x0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000000c0)=ANY=[@ANYBLOB="90000000", @ANYRES16=r2, @ANYBLOB="01000000000000000000010000000c00050000000000000000000c6c02000000000000000000040007800c000800000000000000000008000100000000004400078008000100", @ANYRES32, @ANYBLOB="38000100", @ANYRES32=r3, @ANYBLOB="08000100", @ANYBLOB="0800d354", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32=r4], 0x90}}, 0x0) 10:34:24 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000380), r0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000000)) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) r4 = socket$netlink(0x10, 0x3, 0x0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000000c0)=ANY=[@ANYBLOB="90000000", @ANYRES16=r2, @ANYBLOB="01000000000000000000010000000c00050000030000000000000c0002000000000000000000040007800c000800000000000000000008000100000000004400078008000100", @ANYRES32, @ANYBLOB="38000100", @ANYRES32=r3, @ANYBLOB="08000100", @ANYBLOB="0800d354", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32=r4], 0x90}}, 0x0) (fail_nth: 3) 10:34:24 executing program 5: unshare(0x40000000) mmap(&(0x7f0000000000/0xb36000)=nil, 0xb36000, 0x3, 0x8031, 0xffffffffffffffff, 0x0) unshare(0x0) r0 = socket$netlink(0x10, 0x3, 0x0) writev(r0, &(0x7f0000000080)=[{&(0x7f00000000c0)="390000001300090468fe0700000000000000ff3f04000000480100100000000004002b000a00010014a4ee1ee438d2fd000000000000007200", 0x39}], 0x1) r1 = socket$nl_route(0x10, 0x3, 0x0) sendmsg$netlink(r1, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000100)=[{&(0x7f00000001c0)=ANY=[@ANYBLOB="2800000013000100000000000000000008000000", @ANYRES32=r1, @ANYBLOB='\f\x00\x00\x00', @ANYRES32=0x0, @ANYBLOB="08000d002e14f9"], 0x28}], 0x1}, 0x0) writev(r0, &(0x7f0000000000)=[{&(0x7f0000000040)="3900000013001104680907013300000f0000ff3f04000000290a001700000000040037000a00030014917c82aa75b9a64411f6a4ee1ee438d2", 0x39}], 0x1) [ 3009.551857][T19050] nbd: must specify at least one socket [ 3009.553014][T19051] FAULT_INJECTION: forcing a failure. [ 3009.553014][T19051] name failslab, interval 1, probability 0, space 0, times 0 10:34:24 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000380), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000000c0)=ANY=[@ANYBLOB="90000000", @ANYRES16=r2, @ANYBLOB="01000000000000000000010000000c00050000000000000000040c0002000000000000000000040007800c0008000000000000000000080001"], 0x90}}, 0x0) [ 3009.609653][T19055] nbd: must specify at least one socket [ 3009.657420][T19051] CPU: 1 PID: 19051 Comm: syz-executor.1 Not tainted 5.15.0-rc6-syzkaller #0 [ 3009.666265][T19051] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 3009.676342][T19051] Call Trace: [ 3009.679644][T19051] dump_stack_lvl+0xcd/0x134 [ 3009.684264][T19051] should_fail.cold+0x5/0xa [ 3009.688901][T19051] should_failslab+0x5/0x10 [ 3009.693426][T19051] kmem_cache_alloc_node+0x65/0x3d0 [ 3009.698655][T19051] ? __alloc_skb+0x214/0x360 [ 3009.703279][T19051] __alloc_skb+0x214/0x360 [ 3009.707734][T19051] netlink_sendmsg+0x967/0xda0 [ 3009.712529][T19051] ? netlink_unicast+0x7d0/0x7d0 [ 3009.717503][T19051] ? __sanitizer_cov_trace_const_cmp4+0x1c/0x70 [ 3009.723778][T19051] ? netlink_unicast+0x7d0/0x7d0 [ 3009.728836][T19051] sock_sendmsg+0xcf/0x120 [ 3009.733288][T19051] ____sys_sendmsg+0x6e8/0x810 [ 3009.738171][T19051] ? kernel_sendmsg+0x50/0x50 [ 3009.742872][T19051] ? do_recvmmsg+0x6d0/0x6d0 [ 3009.747489][T19051] ? lock_chain_count+0x20/0x20 [ 3009.752361][T19051] ? lockdep_hardirqs_on_prepare+0x400/0x400 [ 3009.758372][T19051] ___sys_sendmsg+0xf3/0x170 [ 3009.762990][T19051] ? sendmsg_copy_msghdr+0x160/0x160 [ 3009.768304][T19051] ? __fget_files+0x21b/0x3e0 [ 3009.773009][T19051] ? lock_downgrade+0x6e0/0x6e0 [ 3009.777903][T19051] ? __fget_files+0x23d/0x3e0 [ 3009.782698][T19051] ? __fget_light+0xea/0x280 [ 3009.787315][T19051] ? __sanitizer_cov_trace_const_cmp8+0x1d/0x70 [ 3009.793592][T19051] __sys_sendmsg+0xe5/0x1b0 [ 3009.798123][T19051] ? __sys_sendmsg_sock+0x30/0x30 10:34:24 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000380), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000000c0)=ANY=[@ANYBLOB="90000000", @ANYRES16=r2, @ANYBLOB="01000000000000000000010000000c00050000000000000000050c0002000000000000000000040007800c0008000000000000000000080001"], 0x90}}, 0x0) [ 3009.803187][T19051] ? syscall_enter_from_user_mode+0x21/0x70 [ 3009.809141][T19051] do_syscall_64+0x35/0xb0 [ 3009.813581][T19051] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 3009.819497][T19051] RIP: 0033:0x7fa9749e7a39 [ 3009.823934][T19051] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 bc ff ff ff f7 d8 64 89 01 48 [ 3009.843563][T19051] RSP: 002b:00007fa971f5d188 EFLAGS: 00000246 ORIG_RAX: 000000000000002e 10:34:25 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000380), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000000c0)=ANY=[@ANYBLOB="90000000", @ANYRES16=r2, @ANYBLOB="01000000000000000000010000000c00050000000004000000000c0002000000000000000000040007800c0008000000000000000000080001"], 0x90}}, 0x0) 10:34:25 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000380), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000000c0)=ANY=[@ANYBLOB="90000000", @ANYRES16=r2, @ANYBLOB="01000000000000000000010000000c000500000000000000000a0c0002000000000000000000040007800c0008000000000000000000080001"], 0x90}}, 0x0) 10:34:25 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000380), r0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000000)) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) r4 = socket$netlink(0x10, 0x3, 0x0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000000c0)=ANY=[@ANYBLOB="90000000", @ANYRES16=r2, @ANYBLOB="01000000000000000000010000000c00050000000000000000000c7402000000000000000000040007800c000800000000000000000008000100000000004400078008000100", @ANYRES32, @ANYBLOB="38000100", @ANYRES32=r3, @ANYBLOB="08000100", @ANYBLOB="0800d354", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32=r4], 0x90}}, 0x0) [ 3009.852016][T19051] RAX: ffffffffffffffda RBX: 00007fa974aeaf60 RCX: 00007fa9749e7a39 [ 3009.860015][T19051] RDX: 0000000000000000 RSI: 00000000200002c0 RDI: 0000000000000005 [ 3009.868009][T19051] RBP: 00007fa971f5d1d0 R08: 0000000000000000 R09: 0000000000000000 [ 3009.875998][T19051] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001 [ 3009.883988][T19051] R13: 00007ffe4e086e9f R14: 00007fa971f5d300 R15: 0000000000022000 [ 3009.952799][T19057] lo speed is unknown, defaulting to 1000 10:34:25 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$nbd(&(0x7f0000000380), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000000c0)=ANY=[@ANYBLOB="90000000", @ANYRES16=r2, @ANYBLOB="01000000000000000000010000000c00050000000000000000060c0002000000000000000000040007800c0008000000000000000000080001"], 0x90}}, 0x0) [ 3010.134486][T19087] nbd: must specify at least one socket [ 3010.181993][T19097] nbd: must specify at least one socket 10:34:25 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000380), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000000c0)=ANY=[@ANYBLOB="90000000", @ANYRES16=r2, @ANYBLOB="01000000000000000000010000000c000500000000000000000f0c0002000000000000000000040007800c0008000000000000000000080001"], 0x90}}, 0x0) 10:34:25 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$nbd(&(0x7f0000000380), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000000c0)=ANY=[@ANYBLOB="90000000", @ANYRES16=r2, @ANYBLOB="01000000000000000000010000000c00050000000005000000000c0002000000000000000000040007800c0008000000000000000000080001"], 0x90}}, 0x0) 10:34:25 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$nbd(&(0x7f0000000380), r0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000000)) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) r4 = socket$netlink(0x10, 0x3, 0x0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000000c0)=ANY=[@ANYBLOB="90000000", @ANYRES16=r2, @ANYBLOB="01000000000000000000010000000c00050000000000000000000c7a02000000000000000000040007800c000800000000000000000008000100000000004400078008000100", @ANYRES32, @ANYBLOB="38000100", @ANYRES32=r3, @ANYBLOB="08000100", @ANYBLOB="0800d354", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32=r4], 0x90}}, 0x0) 10:34:25 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000380), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000000c0)=ANY=[@ANYBLOB="90000000", @ANYRES16=r2, @ANYBLOB="01000000000000000000010000000c00050000000000000000070c0002000000000000000000040007800c0008000000000000000000080001"], 0x90}}, 0x0) [ 3010.544818][T19111] nbd: must specify at least one socket [ 3010.578396][T19113] nbd: must specify at least one socket 10:34:25 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000380), r0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000000)) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) r4 = socket$netlink(0x10, 0x3, 0x0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000000c0)=ANY=[@ANYBLOB="90000000", @ANYRES16=r2, @ANYBLOB="01000000000000000000010000000c00050000030000000000000c0002000000000000000000040007800c000800000000000000000008000100000000004400078008000100", @ANYRES32, @ANYBLOB="38000100", @ANYRES32=r3, @ANYBLOB="08000100", @ANYBLOB="0800d354", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32=r4], 0x90}}, 0x0) [ 3010.779927][T19116] block nbd0: Unsupported socket: shutdown callout must be supported. [ 3010.903858][T19057] device gretap0 entered promiscuous mode [ 3010.911251][T19057] device gretap0 left promiscuous mode [ 3010.927356][T19057] ‘|‚ªu: renamed from gretap0 [ 3010.937139][T19057] ‘|‚ªu: default qdisc (pfifo_fast) fail, fallback to noqueue [ 3010.979267][T19057] A link change request failed with some changes committed already. Interface ‘|‚ªu may have been left with an inconsistent configuration, please check. [ 3011.271501][T19117] device ‘|‚ªu entered promiscuous mode [ 3011.281728][T19057] lo speed is unknown, defaulting to 1000 10:34:28 executing program 5: unshare(0x40000000) mmap(&(0x7f0000000000/0xb36000)=nil, 0xb36000, 0x3, 0x8031, 0xffffffffffffffff, 0x0) unshare(0x0) r0 = socket$netlink(0x10, 0x3, 0x0) writev(r0, &(0x7f0000000080)=[{&(0x7f00000000c0)="390000001300090468fe0700000000000000ff3f04000000480100100000000004002b000a00010014a4ee1ee438d2fd000000000000007200", 0x39}], 0x1) r1 = socket$nl_route(0x10, 0x3, 0x0) sendmsg$netlink(r1, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000100)=[{&(0x7f00000001c0)=ANY=[@ANYBLOB="2800000013000100000000000000000008000000", @ANYRES32=r1, @ANYBLOB='\f\x00\x00\x00', @ANYRES32=0x0, @ANYBLOB="08000d002e14f9"], 0x28}], 0x1}, 0x0) writev(r0, &(0x7f0000000000)=[{&(0x7f0000000040)="3900000013001104680907013500000f0000ff3f04000000290a001700000000040037000a00030014917c82aa75b9a64411f6a4ee1ee438d2", 0x39}], 0x1) 10:34:28 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000380), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000000c0)=ANY=[@ANYBLOB="90000000", @ANYRES16=r2, @ANYBLOB="01000000000000000000010000000c000500000000000000001f0c0002000000000000000000040007800c0008000000000000000000080001"], 0x90}}, 0x0) 10:34:28 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000380), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000000c0)=ANY=[@ANYBLOB="90000000", @ANYRES16=r2, @ANYBLOB="01000000000000000000010000000c00050000000006000000000c0002000000000000000000040007800c0008000000000000000000080001"], 0x90}}, 0x0) 10:34:28 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000380), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000000c0)=ANY=[@ANYBLOB="90000000", @ANYRES16=r2, @ANYBLOB="01000000000000000000010000000c00050000000000000000090c0002000000000000000000040007800c0008000000000000000000080001"], 0x90}}, 0x0) 10:34:28 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000380), r0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000000)) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) r4 = socket$netlink(0x10, 0x3, 0x0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000000c0)=ANY=[@ANYBLOB="90000000", @ANYRES16=r2, @ANYBLOB="01000000000000000000010000000c00050000000000000000000c0003000000000000000000040007800c000800000000000000000008000100000000004400078008000100", @ANYRES32, @ANYBLOB="38000100", @ANYRES32=r3, @ANYBLOB="08000100", @ANYBLOB="0800d354", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32=r4], 0x90}}, 0x0) 10:34:28 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$nbd(&(0x7f0000000380), r0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000000)) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) r4 = socket$netlink(0x10, 0x3, 0x0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000000c0)=ANY=[@ANYBLOB="90000000", @ANYRES16=r2, @ANYBLOB="01000000000000000000010000000c00050000030000000000000c0002000000000000000000040007800c000800000000000000000008000100000000004400078008000100", @ANYRES32, @ANYBLOB="38000100", @ANYRES32=r3, @ANYBLOB="08000100", @ANYBLOB="0800d354", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32=r4], 0x90}}, 0x0) [ 3013.904365][T19156] __nla_validate_parse: 29 callbacks suppressed [ 3013.904385][T19156] netlink: 8 bytes leftover after parsing attributes in process `syz-executor.1'. [ 3013.943443][T19156] netlink: 4 bytes leftover after parsing attributes in process `syz-executor.1'. [ 3013.957516][T19156] netlink: 4 bytes leftover after parsing attributes in process `syz-executor.1'. [ 3013.974334][T19156] block nbd0: Unsupported socket: shutdown callout must be supported. [ 3014.016601][T19161] netlink: 8 bytes leftover after parsing attributes in process `syz-executor.4'. [ 3014.032998][T19162] lo speed is unknown, defaulting to 1000 [ 3014.042666][T19161] nbd: must specify a size in bytes for the device [ 3014.081164][T19170] netlink: 8 bytes leftover after parsing attributes in process `syz-executor.1'. [ 3014.107354][T19170] netlink: 4 bytes leftover after parsing attributes in process `syz-executor.1'. 10:34:29 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000380), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000000c0)=ANY=[@ANYBLOB="90000000", @ANYRES16=r2, @ANYBLOB="01000000000000000000010000000c00050000000000000000200c0002000000000000000000040007800c0008000000000000000000080001"], 0x90}}, 0x0) 10:34:29 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000380), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000000c0)=ANY=[@ANYBLOB="90000000", @ANYRES16=r2, @ANYBLOB="01000000000000000000010000000c00050000000007000000000c0002000000000000000000040007800c0008000000000000000000080001"], 0x90}}, 0x0) [ 3014.152938][T19170] netlink: 4 bytes leftover after parsing attributes in process `syz-executor.1'. 10:34:29 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000380), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000000c0)=ANY=[@ANYBLOB="90000000", @ANYRES16=r2, @ANYBLOB="01000000000000000000010000000c000500000000000000000a0c0002000000000000000000040007800c0008000000000000000000080001"], 0x90}}, 0x0) [ 3014.221866][T19179] netlink: 8 bytes leftover after parsing attributes in process `syz-executor.4'. [ 3014.235362][T19179] nbd: must specify a size in bytes for the device 10:34:29 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000380), r0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000000)) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) r4 = socket$netlink(0x10, 0x3, 0x0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000002c0)={0x0, 0x2, &(0x7f0000000280)={&(0x7f00000000c0)=ANY=[@ANYBLOB="90000000", @ANYRES16=r2, @ANYBLOB="01000000000000000000010000000c00050000030000000000000c0002000000000000000000040007800c000800000000000000000008000100000000004400078008000100", @ANYRES32, @ANYBLOB="38000100", @ANYRES32=r3, @ANYBLOB="08000100", @ANYBLOB="0800d354", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32=r4], 0x90}}, 0x0) 10:34:29 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$nbd(&(0x7f0000000380), r0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000000)) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) r4 = socket$netlink(0x10, 0x3, 0x0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000000c0)=ANY=[@ANYBLOB="90000000", @ANYRES16=r2, @ANYBLOB="01000000000000000000010000000c00050000000000000000000c000a000000000000000000040007800c000800000000000000000008000100000000004400078008000100", @ANYRES32, @ANYBLOB="38000100", @ANYRES32=r3, @ANYBLOB="08000100", @ANYBLOB="0800d354", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32=r4], 0x90}}, 0x0) [ 3014.411215][T19197] netlink: 76 bytes leftover after parsing attributes in process `syz-executor.2'. [ 3014.466688][T19196] netlink: 76 bytes leftover after parsing attributes in process `syz-executor.3'. 10:34:29 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000380), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000000c0)=ANY=[@ANYBLOB="90000000", @ANYRES16=r2, @ANYBLOB="01000000000000000000010000000c000500000000000000000f0c0002000000000000000000040007800c0008000000000000000000080001"], 0x90}}, 0x0) [ 3014.544094][T19202] block nbd0: Unsupported socket: shutdown callout must be supported. [ 3014.624607][T19206] nbd: must specify a size in bytes for the device [ 3014.669424][T19208] block nbd0: Unsupported socket: shutdown callout must be supported. [ 3014.710627][T19209] nbd: must specify a size in bytes for the device [ 3014.949094][T19162] device gretap0 entered promiscuous mode [ 3014.964361][T19162] device gretap0 left promiscuous mode [ 3014.983057][T19162] ‘|‚ªu: renamed from gretap0 [ 3015.005996][T19162] ‘|‚ªu: default qdisc (pfifo_fast) fail, fallback to noqueue [ 3015.035419][T19162] A link change request failed with some changes committed already. Interface ‘|‚ªu may have been left with an inconsistent configuration, please check. [ 3015.140434][T19162] lo speed is unknown, defaulting to 1000 [ 3015.586035][T19240] device ‘|‚ªu left promiscuous mode [ 3015.591870][T19240] ‘|‚ªu: refused to change device tx_queue_len 10:34:30 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000380), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000000c0)=ANY=[@ANYBLOB="90000000", @ANYRES16=r2, @ANYBLOB="01000000000000000000010000000c00050000000009000000000c0002000000000000000000040007800c0008000000000000000000080001"], 0x90}}, 0x0) 10:34:30 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000380), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000000c0)=ANY=[@ANYBLOB="90000000", @ANYRES16=r2, @ANYBLOB="01000000000000000000010000000c000500000000000000003f0c0002000000000000000000040007800c0008000000000000000000080001"], 0x90}}, 0x0) 10:34:30 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000380), r0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000000)) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) r4 = socket$netlink(0x10, 0x3, 0x0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000002c0)={0x0, 0x3, &(0x7f0000000280)={&(0x7f00000000c0)=ANY=[@ANYBLOB="90000000", @ANYRES16=r2, @ANYBLOB="01000000000000000000010000000c00050000030000000000000c0002000000000000000000040007800c000800000000000000000008000100000000004400078008000100", @ANYRES32, @ANYBLOB="38000100", @ANYRES32=r3, @ANYBLOB="08000100", @ANYBLOB="0800d354", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32=r4], 0x90}}, 0x0) 10:34:30 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$nbd(&(0x7f0000000380), r0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000000)) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) r4 = socket$netlink(0x10, 0x3, 0x0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000000c0)=ANY=[@ANYBLOB="90000000", @ANYRES16=r2, @ANYBLOB="01000000000000000000010000000c00050000000000000000000c003b000000000000000000040007800c000800000000000000000008000100000000004400078008000100", @ANYRES32, @ANYBLOB="38000100", @ANYRES32=r3, @ANYBLOB="08000100", @ANYBLOB="0800d354", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32=r4], 0x90}}, 0x0) 10:34:30 executing program 5: unshare(0x40000000) mmap(&(0x7f0000000000/0xb36000)=nil, 0xb36000, 0x3, 0x8031, 0xffffffffffffffff, 0x0) unshare(0x0) r0 = socket$netlink(0x10, 0x3, 0x0) writev(r0, &(0x7f0000000080)=[{&(0x7f00000000c0)="390000001300090468fe0700000000000000ff3f04000000480100100000000004002b000a00010014a4ee1ee438d2fd000000000000007200", 0x39}], 0x1) r1 = socket$nl_route(0x10, 0x3, 0x0) sendmsg$netlink(r1, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000100)=[{&(0x7f00000001c0)=ANY=[@ANYBLOB="2800000013000100000000000000000008000000", @ANYRES32=r1, @ANYBLOB='\f\x00\x00\x00', @ANYRES32=0x0, @ANYBLOB="08000d002e14f9"], 0x28}], 0x1}, 0x0) writev(r0, &(0x7f0000000000)=[{&(0x7f0000000040)="3900000013001104680907013600000f0000ff3f04000000290a001700000000040037000a00030014917c82aa75b9a64411f6a4ee1ee438d2", 0x39}], 0x1) 10:34:30 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$nbd(&(0x7f0000000380), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000000c0)=ANY=[@ANYBLOB="90000000", @ANYRES16=r2, @ANYBLOB="01000000000000000000010000000c000500000000000000001f0c0002000000000000000000040007800c0008000000000000000000080001"], 0x90}}, 0x0) [ 3015.883406][T19246] nbd: must specify a size in bytes for the device [ 3015.936594][T19248] block nbd0: Unsupported socket: shutdown callout must be supported. [ 3015.974750][T19252] nbd: must specify a size in bytes for the device [ 3015.996398][T19256] block nbd0: Unsupported socket: shutdown callout must be supported. 10:34:31 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$nbd(&(0x7f0000000380), r0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000000)) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) r4 = socket$netlink(0x10, 0x3, 0x0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000000c0)=ANY=[@ANYBLOB="90000000", @ANYRES16=r2, @ANYBLOB="01000000000000000000010000000c00050000000000000000000c0067000000000000000000040007800c000800000000000000000008000100000000004400078008000100", @ANYRES32, @ANYBLOB="38000100", @ANYRES32=r3, @ANYBLOB="08000100", @ANYBLOB="0800d354", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32=r4], 0x90}}, 0x0) 10:34:31 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000380), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000000c0)=ANY=[@ANYBLOB="90000000", @ANYRES16=r2, @ANYBLOB="01000000000000000000010000000c00050000000000000000480c0002000000000000000000040007800c0008000000000000000000080001"], 0x90}}, 0x0) 10:34:31 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000380), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000000c0)=ANY=[@ANYBLOB="90000000", @ANYRES16=r2, @ANYBLOB="01000000000000000000010000000c00050000000000000000200c0002000000000000000000040007800c0008000000000000000000080001"], 0x90}}, 0x0) [ 3016.084600][T19257] lo speed is unknown, defaulting to 1000 10:34:31 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000380), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000000c0)=ANY=[@ANYBLOB="90000000", @ANYRES16=r2, @ANYBLOB="01000000000000000000010000000c0005000000000a000000000c0002000000000000000000040007800c0008000000000000000000080001"], 0x90}}, 0x0) 10:34:31 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000380), r0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000000)) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) r4 = socket$netlink(0x10, 0x3, 0x0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000002c0)={0x0, 0x4, &(0x7f0000000280)={&(0x7f00000000c0)=ANY=[@ANYBLOB="90000000", @ANYRES16=r2, @ANYBLOB="01000000000000000000010000000c00050000030000000000000c0002000000000000000000040007800c000800000000000000000008000100000000004400078008000100", @ANYRES32, @ANYBLOB="38000100", @ANYRES32=r3, @ANYBLOB="08000100", @ANYBLOB="0800d354", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32=r4], 0x90}}, 0x0) [ 3016.288534][T19269] nbd: must specify a size in bytes for the device [ 3016.391746][T19287] block nbd0: Unsupported socket: shutdown callout must be supported. 10:34:31 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$nbd(&(0x7f0000000380), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000000c0)=ANY=[@ANYBLOB="90000000", @ANYRES16=r2, @ANYBLOB="01000000000000000000010000000c00050000000000981dbe350c0002000000000000000000040007800c0008000000000000000000080001"], 0x90}}, 0x0) 10:34:31 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000380), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000000c0)=ANY=[@ANYBLOB="90000000", @ANYRES16=r2, @ANYBLOB="01000000000000000000010000000c000500000000000000004c0c0002000000000000000000040007800c0008000000000000000000080001"], 0x90}}, 0x0) [ 3016.455443][T19288] nbd: must specify a size in bytes for the device [ 3016.498865][T19296] block nbd0: Unsupported socket: shutdown callout must be supported. 10:34:31 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$nbd(&(0x7f0000000380), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000000c0)=ANY=[@ANYBLOB="90000000", @ANYRES16=r2, @ANYBLOB="01000000000000000000010000000c0005000000000f000000000c0002000000000000000000040007800c0008000000000000000000080001"], 0x90}}, 0x0) 10:34:31 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$nbd(&(0x7f0000000380), r0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000000)) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) r4 = socket$netlink(0x10, 0x3, 0x0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000000c0)=ANY=[@ANYBLOB="90000000", @ANYRES16=r2, @ANYBLOB="01000000000000000000010000000c00050000000000000000000c0003000000000000000000040007800c000800000000000000000008000100000000004400078008000100", @ANYRES32, @ANYBLOB="38000100", @ANYRES32=r3, @ANYBLOB="08000100", @ANYBLOB="0800d354", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32=r4], 0x90}}, 0x0) 10:34:31 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000380), r0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000000)) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) r4 = socket$netlink(0x10, 0x3, 0x0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000002c0)={0x0, 0x5, &(0x7f0000000280)={&(0x7f00000000c0)=ANY=[@ANYBLOB="90000000", @ANYRES16=r2, @ANYBLOB="01000000000000000000010000000c00050000030000000000000c0002000000000000000000040007800c000800000000000000000008000100000000004400078008000100", @ANYRES32, @ANYBLOB="38000100", @ANYRES32=r3, @ANYBLOB="08000100", @ANYBLOB="0800d354", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32=r4], 0x90}}, 0x0) [ 3016.833445][T19310] nbd: must specify a size in bytes for the device [ 3016.879177][T19311] block nbd0: Unsupported socket: shutdown callout must be supported. [ 3016.926345][T19312] nbd: must specify a size in bytes for the device [ 3016.943443][T19313] block nbd0: Unsupported socket: shutdown callout must be supported. [ 3017.075208][T19257] device gretap0 entered promiscuous mode [ 3017.097653][T19257] device gretap0 left promiscuous mode [ 3017.117540][T19257] ‘|‚ªu: renamed from gretap0 [ 3017.124747][T19257] ‘|‚ªu: default qdisc (pfifo_fast) fail, fallback to noqueue [ 3017.158378][T19257] A link change request failed with some changes committed already. Interface ‘|‚ªu may have been left with an inconsistent configuration, please check. [ 3017.270163][T19257] lo speed is unknown, defaulting to 1000 [ 3017.333586][T19314] device ‘|‚ªu entered promiscuous mode [ 3017.718108][T19343] device ‘|‚ªu left promiscuous mode [ 3017.724277][T19343] ‘|‚ªu: refused to change device tx_queue_len 10:34:33 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$nbd(&(0x7f0000000380), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000000c0)=ANY=[@ANYBLOB="90000000", @ANYRES16=r2, @ANYBLOB="01000000000000000000010000000c000500000000000000003f0c0002000000000000000000040007800c0008000000000000000000080001"], 0x90}}, 0x0) 10:34:33 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000380), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000000c0)=ANY=[@ANYBLOB="90000000", @ANYRES16=r2, @ANYBLOB="01000000000000000000010000000c00050000000000000000600c0002000000000000000000040007800c0008000000000000000000080001"], 0x90}}, 0x0) 10:34:33 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$nbd(&(0x7f0000000380), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000000c0)=ANY=[@ANYBLOB="90000000", @ANYRES16=r2, @ANYBLOB="01000000000000000000010000000c00050000000048000000000c0002000000000000000000040007800c0008000000000000000000080001"], 0x90}}, 0x0) 10:34:33 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$nbd(&(0x7f0000000380), r0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000000)) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) r4 = socket$netlink(0x10, 0x3, 0x0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000000c0)=ANY=[@ANYBLOB="90000000", @ANYRES16=r2, @ANYBLOB="01000000000000000000010000000c00050000000000000000000c000a000000000000000000040007800c000800000000000000000008000100000000004400078008000100", @ANYRES32, @ANYBLOB="38000100", @ANYRES32=r3, @ANYBLOB="08000100", @ANYBLOB="0800d354", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32=r4], 0x90}}, 0x0) 10:34:33 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000380), r0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000000)) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) r4 = socket$netlink(0x10, 0x3, 0x0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000002c0)={0x0, 0x6, &(0x7f0000000280)={&(0x7f00000000c0)=ANY=[@ANYBLOB="90000000", @ANYRES16=r2, @ANYBLOB="01000000000000000000010000000c00050000030000000000000c0002000000000000000000040007800c000800000000000000000008000100000000004400078008000100", @ANYRES32, @ANYBLOB="38000100", @ANYRES32=r3, @ANYBLOB="08000100", @ANYBLOB="0800d354", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32=r4], 0x90}}, 0x0) 10:34:33 executing program 5: unshare(0x40000000) mmap(&(0x7f0000000000/0xb36000)=nil, 0xb36000, 0x3, 0x8031, 0xffffffffffffffff, 0x0) unshare(0x0) r0 = socket$netlink(0x10, 0x3, 0x0) writev(r0, &(0x7f0000000080)=[{&(0x7f00000000c0)="390000001300090468fe0700000000000000ff3f04000000480100100000000004002b000a00010014a4ee1ee438d2fd000000000000007200", 0x39}], 0x1) r1 = socket$nl_route(0x10, 0x3, 0x0) sendmsg$netlink(r1, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000100)=[{&(0x7f00000001c0)=ANY=[@ANYBLOB="2800000013000100000000000000000008000000", @ANYRES32=r1, @ANYBLOB='\f\x00\x00\x00', @ANYRES32=0x0, @ANYBLOB="08000d002e14f9"], 0x28}], 0x1}, 0x0) writev(r0, &(0x7f0000000000)=[{&(0x7f0000000040)="3900000013001104680907023a00000f0000ff3f04000000290a001700000000040037000a00030014917c82aa75b9a64411f6a4ee1ee438d2", 0x39}], 0x1) [ 3018.021295][T19349] block nbd0: Unsupported socket: shutdown callout must be supported. [ 3018.107927][T19354] nbd: must specify a size in bytes for the device [ 3018.123591][T19356] block nbd0: Unsupported socket: shutdown callout must be supported. 10:34:33 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000380), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000000c0)=ANY=[@ANYBLOB="90000000", @ANYRES16=r2, @ANYBLOB="01000000000000000000010000000c00050000000000000000480c0002000000000000000000040007800c0008000000000000000000080001"], 0x90}}, 0x0) [ 3018.181271][T19360] nbd: must specify a size in bytes for the device 10:34:33 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000380), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000000c0)=ANY=[@ANYBLOB="90000000", @ANYRES16=r2, @ANYBLOB="01000000000000000000010000000c00050000000000000000680c0002000000000000000000040007800c0008000000000000000000080001"], 0x90}}, 0x0) 10:34:33 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000380), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000000c0)=ANY=[@ANYBLOB="90000000", @ANYRES16=r2, @ANYBLOB="01000000000000000000010000000c0005000000004c000000000c0002000000000000000000040007800c0008000000000000000000080001"], 0x90}}, 0x0) 10:34:33 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000380), r0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000000)) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) r4 = socket$netlink(0x10, 0x3, 0x0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000002c0)={0x0, 0x7, &(0x7f0000000280)={&(0x7f00000000c0)=ANY=[@ANYBLOB="90000000", @ANYRES16=r2, @ANYBLOB="01000000000000000000010000000c00050000030000000000000c0002000000000000000000040007800c000800000000000000000008000100000000004400078008000100", @ANYRES32, @ANYBLOB="38000100", @ANYRES32=r3, @ANYBLOB="08000100", @ANYBLOB="0800d354", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32=r4], 0x90}}, 0x0) [ 3018.241065][T19359] lo speed is unknown, defaulting to 1000 10:34:33 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$nbd(&(0x7f0000000380), r0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000000)) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) r4 = socket$netlink(0x10, 0x3, 0x0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000000c0)=ANY=[@ANYBLOB="90000000", @ANYRES16=r2, @ANYBLOB="01000000000000000000010000000c00050000000000000000000c003b000000000000000000040007800c000800000000000000000008000100000000004400078008000100", @ANYRES32, @ANYBLOB="38000100", @ANYRES32=r3, @ANYBLOB="08000100", @ANYBLOB="0800d354", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32=r4], 0x90}}, 0x0) [ 3018.418360][T19375] block nbd0: Unsupported socket: shutdown callout must be supported. [ 3018.545852][T19390] block nbd0: Unsupported socket: shutdown callout must be supported. [ 3018.593508][T19389] nbd: must specify a size in bytes for the device 10:34:33 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000380), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000000c0)=ANY=[@ANYBLOB="90000000", @ANYRES16=r2, @ANYBLOB="01000000000000000000010000000c000500000000000000004c0c0002000000000000000000040007800c0008000000000000000000080001"], 0x90}}, 0x0) [ 3018.639942][T19399] nbd: must specify a size in bytes for the device 10:34:33 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000380), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000000c0)=ANY=[@ANYBLOB="90000000", @ANYRES16=r2, @ANYBLOB="01000000000000000000010000000c000500000000000000006c0c0002000000000000000000040007800c0008000000000000000000080001"], 0x90}}, 0x0) 10:34:33 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000380), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000000c0)=ANY=[@ANYBLOB="90000000", @ANYRES16=r2, @ANYBLOB="01000000000000000000010000000c00050000000060000000000c0002000000000000000000040007800c0008000000000000000000080001"], 0x90}}, 0x0) 10:34:33 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000380), r0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000000)) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) r4 = socket$netlink(0x10, 0x3, 0x0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000002c0)={0x0, 0x9, &(0x7f0000000280)={&(0x7f00000000c0)=ANY=[@ANYBLOB="90000000", @ANYRES16=r2, @ANYBLOB="01000000000000000000010000000c00050000030000000000000c0002000000000000000000040007800c000800000000000000000008000100000000004400078008000100", @ANYRES32, @ANYBLOB="38000100", @ANYRES32=r3, @ANYBLOB="08000100", @ANYBLOB="0800d354", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32=r4], 0x90}}, 0x0) 10:34:33 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$nbd(&(0x7f0000000380), r0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000000)) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) r4 = socket$netlink(0x10, 0x3, 0x0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000000c0)=ANY=[@ANYBLOB="90000000", @ANYRES16=r2, @ANYBLOB="01000000000000000000010000000c00050000000000000000000c0067000000000000000000040007800c000800000000000000000008000100000000004400078008000100", @ANYRES32, @ANYBLOB="38000100", @ANYRES32=r3, @ANYBLOB="08000100", @ANYBLOB="0800d354", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32=r4], 0x90}}, 0x0) [ 3018.924541][T19409] __nla_validate_parse: 74 callbacks suppressed [ 3018.924560][T19409] netlink: 76 bytes leftover after parsing attributes in process `syz-executor.3'. 10:34:34 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000380), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000000c0)=ANY=[@ANYBLOB="90000000", @ANYRES16=r2, @ANYBLOB="01000000000000000000010000000c00050000000000000000600c0002000000000000000000040007800c0008000000000000000000080001"], 0x90}}, 0x0) [ 3019.031678][T19407] netlink: 76 bytes leftover after parsing attributes in process `syz-executor.0'. [ 3019.078275][T19412] netlink: 8 bytes leftover after parsing attributes in process `syz-executor.1'. [ 3019.099856][T19412] netlink: 4 bytes leftover after parsing attributes in process `syz-executor.1'. [ 3019.137357][T19412] netlink: 4 bytes leftover after parsing attributes in process `syz-executor.1'. [ 3019.175459][T19412] block nbd0: Unsupported socket: shutdown callout must be supported. [ 3019.224532][T19418] netlink: 8 bytes leftover after parsing attributes in process `syz-executor.4'. [ 3019.248430][T19359] netlink: 9 bytes leftover after parsing attributes in process `syz-executor.5'. [ 3019.261209][T19418] nbd: must specify a size in bytes for the device [ 3019.279949][T19359] device gretap0 entered promiscuous mode [ 3019.297997][T19424] netlink: 8 bytes leftover after parsing attributes in process `syz-executor.1'. [ 3019.331621][T19424] netlink: 4 bytes leftover after parsing attributes in process `syz-executor.1'. [ 3019.336168][T19361] ‘|‚ªu: refused to change device tx_queue_len [ 3019.369674][T19359] netlink: 9 bytes leftover after parsing attributes in process `syz-executor.5'. [ 3019.415716][T19359] ‘|‚ªu: renamed from gretap0 [ 3019.439217][T19359] device ‘|‚ªu left promiscuous mode [ 3019.449786][T19359] A link change request failed with some changes committed already. Interface ‘|‚ªu may have been left with an inconsistent configuration, please check. [ 3019.515486][T19359] lo speed is unknown, defaulting to 1000 [ 3019.626324][T19422] device ‘|‚ªu entered promiscuous mode [ 3019.897777][T19450] device ‘|‚ªu left promiscuous mode [ 3019.904283][T19450] ‘|‚ªu: refused to change device tx_queue_len [ 3019.960285][ T1360] ieee802154 phy0 wpan0: encryption failed: -22 [ 3019.966660][ T1360] ieee802154 phy1 wpan1: encryption failed: -22 10:34:35 executing program 5: unshare(0x40000000) mmap(&(0x7f0000000000/0xb36000)=nil, 0xb36000, 0x3, 0x8031, 0xffffffffffffffff, 0x0) unshare(0x0) r0 = socket$netlink(0x10, 0x3, 0x0) writev(r0, &(0x7f0000000080)=[{&(0x7f00000000c0)="390000001300090468fe0700000000000000ff3f04000000480100100000000004002b000a00010014a4ee1ee438d2fd000000000000007200", 0x39}], 0x1) r1 = socket$nl_route(0x10, 0x3, 0x0) sendmsg$netlink(r1, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000100)=[{&(0x7f00000001c0)=ANY=[@ANYBLOB="2800000013000100000000000000000008000000", @ANYRES32=r1, @ANYBLOB='\f\x00\x00\x00', @ANYRES32=0x0, @ANYBLOB="08000d002e14f9"], 0x28}], 0x1}, 0x0) writev(r0, &(0x7f0000000000)=[{&(0x7f0000000040)="3900000013001104680907013d00000f0000ff3f04000000290a001700000000040037000a00030014917c82aa75b9a64411f6a4ee1ee438d2", 0x39}], 0x1) 10:34:35 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$nbd(&(0x7f0000000380), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000000c0)=ANY=[@ANYBLOB="90000000", @ANYRES16=r2, @ANYBLOB="01000000000000000000010000000c00050000000068000000000c0002000000000000000000040007800c0008000000000000000000080001"], 0x90}}, 0x0) 10:34:35 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$nbd(&(0x7f0000000380), r0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000000)) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) r4 = socket$netlink(0x10, 0x3, 0x0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000000c0)=ANY=[@ANYBLOB="90000000", @ANYRES16=r2, @ANYBLOB="01000000000000000000010000000c00050000000000000000000c0002020000000000000000040007800c000800000000000000000008000100000000004400078008000100", @ANYRES32, @ANYBLOB="38000100", @ANYRES32=r3, @ANYBLOB="08000100", @ANYBLOB="0800d354", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32=r4], 0x90}}, 0x0) 10:34:35 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000380), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000000c0)=ANY=[@ANYBLOB="90000000", @ANYRES16=r2, @ANYBLOB="01000000000000000000010000000c00050000000000000000740c0002000000000000000000040007800c0008000000000000000000080001"], 0x90}}, 0x0) 10:34:35 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000380), r0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000000)) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) r4 = socket$netlink(0x10, 0x3, 0x0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000002c0)={0x0, 0xa, &(0x7f0000000280)={&(0x7f00000000c0)=ANY=[@ANYBLOB="90000000", @ANYRES16=r2, @ANYBLOB="01000000000000000000010000000c00050000030000000000000c0002000000000000000000040007800c000800000000000000000008000100000000004400078008000100", @ANYRES32, @ANYBLOB="38000100", @ANYRES32=r3, @ANYBLOB="08000100", @ANYBLOB="0800d354", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32=r4], 0x90}}, 0x0) 10:34:35 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$nbd(&(0x7f0000000380), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000000c0)=ANY=[@ANYBLOB="90000000", @ANYRES16=r2, @ANYBLOB="01000000000000000000010000000c00050000000000000000680c0002000000000000000000040007800c0008000000000000000000080001"], 0x90}}, 0x0) [ 3020.289973][T19458] block nbd0: Unsupported socket: shutdown callout must be supported. [ 3020.339186][T19463] nbd: must specify a size in bytes for the device [ 3020.359341][T19464] lo speed is unknown, defaulting to 1000 10:34:35 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$nbd(&(0x7f0000000380), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000000c0)=ANY=[@ANYBLOB="90000000", @ANYRES16=r2, @ANYBLOB="01000000000000000000010000000c0005000000006c000000000c0002000000000000000000040007800c0008000000000000000000080001"], 0x90}}, 0x0) 10:34:35 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000380), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000000c0)=ANY=[@ANYBLOB="90000000", @ANYRES16=r2, @ANYBLOB="01000000000000000000010000000c000500000000000000007a0c0002000000000000000000040007800c0008000000000000000000080001"], 0x90}}, 0x0) [ 3020.418670][T19473] nbd: must specify a size in bytes for the device 10:34:35 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$nbd(&(0x7f0000000380), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000000c0)=ANY=[@ANYBLOB="90000000", @ANYRES16=r2, @ANYBLOB="01000000000000000000010000000c000500000000000000006c0c0002000000000000000000040007800c0008000000000000000000080001"], 0x90}}, 0x0) 10:34:35 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$nbd(&(0x7f0000000380), r0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000000)) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) r4 = socket$netlink(0x10, 0x3, 0x0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000000c0)=ANY=[@ANYBLOB="90000000", @ANYRES16=r2, @ANYBLOB="01000000000000000000010000000c00050000000000000000000c0002030000000000000000040007800c000800000000000000000008000100000000004400078008000100", @ANYRES32, @ANYBLOB="38000100", @ANYRES32=r3, @ANYBLOB="08000100", @ANYBLOB="0800d354", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32=r4], 0x90}}, 0x0) 10:34:35 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000380), r0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000000)) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) r4 = socket$netlink(0x10, 0x3, 0x0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000002c0)={0x0, 0xf, &(0x7f0000000280)={&(0x7f00000000c0)=ANY=[@ANYBLOB="90000000", @ANYRES16=r2, @ANYBLOB="01000000000000000000010000000c00050000030000000000000c0002000000000000000000040007800c000800000000000000000008000100000000004400078008000100", @ANYRES32, @ANYBLOB="38000100", @ANYRES32=r3, @ANYBLOB="08000100", @ANYBLOB="0800d354", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32=r4], 0x90}}, 0x0) 10:34:35 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$nbd(&(0x7f0000000380), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000000c0)=ANY=[@ANYBLOB="90000000", @ANYRES16=r2, @ANYBLOB="01000000000000000000010000000c00050000000074000000000c0002000000000000000000040007800c0008000000000000000000080001"], 0x90}}, 0x0) [ 3020.790392][T19498] nbd: must specify a size in bytes for the device [ 3020.839551][T19504] block nbd0: Unsupported socket: shutdown callout must be supported. [ 3020.906858][T19509] nbd: must specify a size in bytes for the device [ 3020.935614][T19511] block nbd0: Unsupported socket: shutdown callout must be supported. [ 3021.225417][T19464] device gretap0 entered promiscuous mode [ 3021.248537][T19464] device gretap0 left promiscuous mode [ 3021.273343][T19464] ‘|‚ªu: renamed from gretap0 [ 3021.284120][T19464] ‘|‚ªu: default qdisc (pfifo_fast) fail, fallback to noqueue [ 3021.315574][T19464] A link change request failed with some changes committed already. Interface ‘|‚ªu may have been left with an inconsistent configuration, please check. [ 3021.419525][T19464] lo speed is unknown, defaulting to 1000 10:34:37 executing program 5: unshare(0x40000000) mmap(&(0x7f0000000000/0xb36000)=nil, 0xb36000, 0x3, 0x8031, 0xffffffffffffffff, 0x0) unshare(0x0) r0 = socket$netlink(0x10, 0x3, 0x0) writev(r0, &(0x7f0000000080)=[{&(0x7f00000000c0)="390000001300090468fe0700000000000000ff3f04000000480100100000000004002b000a00010014a4ee1ee438d2fd000000000000007200", 0x39}], 0x1) r1 = socket$nl_route(0x10, 0x3, 0x0) sendmsg$netlink(r1, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000100)=[{&(0x7f00000001c0)=ANY=[@ANYBLOB="2800000013000100000000000000000008000000", @ANYRES32=r1, @ANYBLOB='\f\x00\x00\x00', @ANYRES32=0x0, @ANYBLOB="08000d002e14f9"], 0x28}], 0x1}, 0x0) writev(r0, &(0x7f0000000000)=[{&(0x7f0000000040)="3900000013001104680907023d00000f0000ff3f04000000290a001700000000040037000a00030014917c82aa75b9a64411f6a4ee1ee438d2", 0x39}], 0x1) 10:34:37 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000380), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000000c0)=ANY=[@ANYBLOB="90000000", @ANYRES16=r2, @ANYBLOB="01000000000000000000010000000c00050000000000000000740c0002000000000000000000040007800c0008000000000000000000080001"], 0x90}}, 0x0) 10:34:37 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000380), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000000c0)=ANY=[@ANYBLOB="90000000", @ANYRES16=r2, @ANYBLOB="01000000000000000000010000000c00050000000000e1070e960c0002000000000000000000040007800c0008000000000000000000080001"], 0x90}}, 0x0) 10:34:37 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000380), r0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000000)) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) r4 = socket$netlink(0x10, 0x3, 0x0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000000c0)=ANY=[@ANYBLOB="90000000", @ANYRES16=r2, @ANYBLOB="01000000000000000000010000000c00050000000000000000000c0002040000000000000000040007800c000800000000000000000008000100000000004400078008000100", @ANYRES32, @ANYBLOB="38000100", @ANYRES32=r3, @ANYBLOB="08000100", @ANYBLOB="0800d354", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32=r4], 0x90}}, 0x0) 10:34:37 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$nbd(&(0x7f0000000380), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000000c0)=ANY=[@ANYBLOB="90000000", @ANYRES16=r2, @ANYBLOB="01000000000000000000010000000c0005000000007a000000000c0002000000000000000000040007800c0008000000000000000000080001"], 0x90}}, 0x0) 10:34:37 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_genetlink_get_family_id$nbd(&(0x7f0000000380), r0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000000)) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) r4 = socket$netlink(0x10, 0x3, 0x0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000002c0)={0x0, 0x48, &(0x7f0000000280)={&(0x7f00000000c0)=ANY=[@ANYBLOB="90000000", @ANYRES16=r2, @ANYBLOB="01000000000000000000010000000c00050000030000000000000c0002000000000000000000040007800c000800000000000000000008000100000000004400078008000100", @ANYRES32, @ANYBLOB="38000100", @ANYRES32=r3, @ANYBLOB="08000100", @ANYBLOB="0800d354", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32=r4], 0x90}}, 0x0) [ 3022.152274][T19549] block nbd0: Unsupported socket: shutdown callout must be supported. [ 3022.237317][T19552] block nbd0: Unsupported socket: shutdown callout must be supported. [ 3022.292900][T19553] nbd: must specify a size in bytes for the device [ 3022.324674][T19560] nbd: must specify a size in bytes for the device 10:34:37 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000380), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000000c0)=ANY=[@ANYBLOB="90000000", @ANYRES16=r2, @ANYBLOB="01000000000000000000010000000c000500000000000000007a0c0002000000000000000000040007800c0008000000000000000000080001"], 0x90}}, 0x0) 10:34:37 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000380), r0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000000)) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) r4 = socket$netlink(0x10, 0x3, 0x0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000002c0)={0x0, 0x4c, &(0x7f0000000280)={&(0x7f00000000c0)=ANY=[@ANYBLOB="90000000", @ANYRES16=r2, @ANYBLOB="01000000000000000000010000000c00050000030000000000000c0002000000000000000000040007800c000800000000000000000008000100000000004400078008000100", @ANYRES32, @ANYBLOB="38000100", @ANYRES32=r3, @ANYBLOB="08000100", @ANYBLOB="0800d354", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32=r4], 0x90}}, 0x0) 10:34:37 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$nbd(&(0x7f0000000380), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000000c0)=ANY=[@ANYBLOB="90000000", @ANYRES16=r2, @ANYBLOB="01000000000000000000010000000c000500000000f0000000000c0002000000000000000000040007800c0008000000000000000000080001"], 0x90}}, 0x0) 10:34:37 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000380), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000000c0)=ANY=[@ANYBLOB="90000000", @ANYRES16=r2, @ANYBLOB="01000000000000000000010000000c00050000000000ffffff9e0c0002000000000000000000040007800c0008000000000000000000080001"], 0x90}}, 0x0) [ 3022.428296][T19559] lo speed is unknown, defaulting to 1000 10:34:37 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$nbd(&(0x7f0000000380), r0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000000)) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) r4 = socket$netlink(0x10, 0x3, 0x0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000000c0)=ANY=[@ANYBLOB="90000000", @ANYRES16=r2, @ANYBLOB="01000000000000000000010000000c00050000000000000000000c0002050000000000000000040007800c000800000000000000000008000100000000004400078008000100", @ANYRES32, @ANYBLOB="38000100", @ANYRES32=r3, @ANYBLOB="08000100", @ANYBLOB="0800d354", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32=r4], 0x90}}, 0x0) [ 3022.670703][T19583] block nbd0: Unsupported socket: shutdown callout must be supported. 10:34:37 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000380), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000000c0)=ANY=[@ANYBLOB="90000000", @ANYRES16=r2, @ANYBLOB="01000000000000000000010000000c0005000000000035be1d980c0002000000000000000000040007800c0008000000000000000000080001"], 0x90}}, 0x0) [ 3022.765103][T19591] block nbd0: Unsupported socket: shutdown callout must be supported. [ 3022.843164][T19596] nbd: must specify a size in bytes for the device [ 3022.876346][T19599] nbd: must specify a size in bytes for the device [ 3023.237207][T19559] device gretap0 entered promiscuous mode [ 3023.247716][T19559] device gretap0 left promiscuous mode [ 3023.263468][T19559] ‘|‚ªu: renamed from gretap0 [ 3023.278393][T19559] ‘|‚ªu: default qdisc (pfifo_fast) fail, fallback to noqueue [ 3023.298409][T19559] A link change request failed with some changes committed already. Interface ‘|‚ªu may have been left with an inconsistent configuration, please check. [ 3023.360110][T19559] lo speed is unknown, defaulting to 1000 [ 3023.512426][T19606] device ‘|‚ªu entered promiscuous mode [ 3023.899999][T19633] device ‘|‚ªu left promiscuous mode [ 3023.918224][T19633] ‘|‚ªu: refused to change device tx_queue_len 10:34:39 executing program 5: unshare(0x40000000) mmap(&(0x7f0000000000/0xb36000)=nil, 0xb36000, 0x3, 0x8031, 0xffffffffffffffff, 0x0) unshare(0x0) r0 = socket$netlink(0x10, 0x3, 0x0) writev(r0, &(0x7f0000000080)=[{&(0x7f00000000c0)="390000001300090468fe0700000000000000ff3f04000000480100100000000004002b000a00010014a4ee1ee438d2fd000000000000007200", 0x39}], 0x1) r1 = socket$nl_route(0x10, 0x3, 0x0) sendmsg$netlink(r1, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000100)=[{&(0x7f00000001c0)=ANY=[@ANYBLOB="2800000013000100000000000000000008000000", @ANYRES32=r1, @ANYBLOB='\f\x00\x00\x00', @ANYRES32=0x0, @ANYBLOB="08000d002e14f9"], 0x28}], 0x1}, 0x0) writev(r0, &(0x7f0000000000)=[{&(0x7f0000000040)="3900000013001104680907033d00000f0000ff3f04000000290a001700000000040037000a00030014917c82aa75b9a64411f6a4ee1ee438d2", 0x39}], 0x1) 10:34:39 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$nbd(&(0x7f0000000380), r0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000000)) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) r4 = socket$netlink(0x10, 0x3, 0x0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000002c0)={0x0, 0x60, &(0x7f0000000280)={&(0x7f00000000c0)=ANY=[@ANYBLOB="90000000", @ANYRES16=r2, @ANYBLOB="01000000000000000000010000000c00050000030000000000000c0002000000000000000000040007800c000800000000000000000008000100000000004400078008000100", @ANYRES32, @ANYBLOB="38000100", @ANYRES32=r3, @ANYBLOB="08000100", @ANYBLOB="0800d354", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32=r4], 0x90}}, 0x0) 10:34:39 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000380), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000000c0)=ANY=[@ANYBLOB="90000000", @ANYRES16=r2, @ANYBLOB="01000000000000000000010000000c00050000000000030000000c0002000000000000000000040007800c0008000000000000000000080001"], 0x90}}, 0x0) 10:34:39 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000380), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000000c0)=ANY=[@ANYBLOB="90000000", @ANYRES16=r2, @ANYBLOB="01000000000000000000010000000c00050000000000960e07e10c0002000000000000000000040007800c0008000000000000000000080001"], 0x90}}, 0x0) 10:34:39 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000380), r0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000000)) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) r4 = socket$netlink(0x10, 0x3, 0x0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000000c0)=ANY=[@ANYBLOB="90000000", @ANYRES16=r2, @ANYBLOB="01000000000000000000010000000c00050000000000000000000c0002060000000000000000040007800c000800000000000000000008000100000000004400078008000100", @ANYRES32, @ANYBLOB="38000100", @ANYRES32=r3, @ANYBLOB="08000100", @ANYBLOB="0800d354", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32=r4], 0x90}}, 0x0) 10:34:39 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$nbd(&(0x7f0000000380), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000000c0)=ANY=[@ANYBLOB="90000000", @ANYRES16=r2, @ANYBLOB="01000000000000000000010000000c00050000000000ffffff9e0c0002000000000000000000040007800c0008000000000000000000080001"], 0x90}}, 0x0) [ 3024.235367][T19639] __nla_validate_parse: 55 callbacks suppressed [ 3024.235388][T19639] netlink: 8 bytes leftover after parsing attributes in process `syz-executor.4'. [ 3024.272778][T19639] nbd: must specify a size in bytes for the device [ 3024.293022][T19640] netlink: 76 bytes leftover after parsing attributes in process `syz-executor.3'. [ 3024.331756][T19643] netlink: 76 bytes leftover after parsing attributes in process `syz-executor.0'. [ 3024.365157][T19645] netlink: 8 bytes leftover after parsing attributes in process `syz-executor.4'. [ 3024.388488][T19645] nbd: must specify a size in bytes for the device [ 3024.422172][T19647] lo speed is unknown, defaulting to 1000 [ 3024.438202][T19650] netlink: 8 bytes leftover after parsing attributes in process `syz-executor.1'. [ 3024.459678][T19650] netlink: 4 bytes leftover after parsing attributes in process `syz-executor.1'. 10:34:39 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000380), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000000c0)=ANY=[@ANYBLOB="90000000", @ANYRES16=r2, @ANYBLOB="01000000000000000000010000000c00050000000000fffffff00c0002000000000000000000040007800c0008000000000000000000080001"], 0x90}}, 0x0) 10:34:39 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$nbd(&(0x7f0000000380), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000000c0)=ANY=[@ANYBLOB="90000000", @ANYRES16=r2, @ANYBLOB="01000000000000000000010000000c00050000000000050000000c0002000000000000000000040007800c0008000000000000000000080001"], 0x90}}, 0x0) 10:34:39 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$nbd(&(0x7f0000000380), r0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000000)) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) r4 = socket$netlink(0x10, 0x3, 0x0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000000c0)=ANY=[@ANYBLOB="90000000", @ANYRES16=r2, @ANYBLOB="01000000000000000000010000000c00050000000000000000000c0002070000000000000000040007800c000800000000000000000008000100000000004400078008000100", @ANYRES32, @ANYBLOB="38000100", @ANYRES32=r3, @ANYBLOB="08000100", @ANYBLOB="0800d354", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32=r4], 0x90}}, 0x0) [ 3024.521833][T19650] netlink: 4 bytes leftover after parsing attributes in process `syz-executor.1'. 10:34:39 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000380), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000000c0)=ANY=[@ANYBLOB="90000000", @ANYRES16=r2, @ANYBLOB="01000000000000000000010000000c00050000000000fffffff00c0002000000000000000000040007800c0008000000000000000000080001"], 0x90}}, 0x0) 10:34:39 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000380), r0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000000)) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) r4 = socket$netlink(0x10, 0x3, 0x0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000002c0)={0x0, 0x68, &(0x7f0000000280)={&(0x7f00000000c0)=ANY=[@ANYBLOB="90000000", @ANYRES16=r2, @ANYBLOB="01000000000000000000010000000c00050000030000000000000c0002000000000000000000040007800c000800000000000000000008000100000000004400078008000100", @ANYRES32, @ANYBLOB="38000100", @ANYRES32=r3, @ANYBLOB="08000100", @ANYBLOB="0800d354", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32=r4], 0x90}}, 0x0) [ 3024.740977][T19677] netlink: 76 bytes leftover after parsing attributes in process `syz-executor.0'. [ 3024.802210][T19676] netlink: 76 bytes leftover after parsing attributes in process `syz-executor.3'. [ 3024.843236][T19680] netlink: 8 bytes leftover after parsing attributes in process `syz-executor.4'. [ 3024.865230][T19680] nbd: must specify a size in bytes for the device 10:34:40 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000380), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000000c0)=ANY=[@ANYBLOB="90000000", @ANYRES16=r2, @ANYBLOB="01000000000000000000010000000c0005000000000000f0ffff0c0002000000000000000000040007800c0008000000000000000000080001"], 0x90}}, 0x0) [ 3024.942204][T19686] nbd: must specify a size in bytes for the device [ 3024.979170][T19687] block nbd0: Unsupported socket: shutdown callout must be supported. [ 3025.315412][T19647] device gretap0 entered promiscuous mode [ 3025.328462][T19647] device gretap0 left promiscuous mode [ 3025.356090][T19647] ‘|‚ªu: renamed from gretap0 [ 3025.368827][T19647] ‘|‚ªu: default qdisc (pfifo_fast) fail, fallback to noqueue [ 3025.388310][T19647] A link change request failed with some changes committed already. Interface ‘|‚ªu may have been left with an inconsistent configuration, please check. [ 3025.444187][T19647] lo speed is unknown, defaulting to 1000 [ 3025.540079][T19697] device ‘|‚ªu entered promiscuous mode [ 3025.824926][T19720] device ‘|‚ªu left promiscuous mode [ 3025.831388][T19720] ‘|‚ªu: refused to change device tx_queue_len 10:34:41 executing program 5: unshare(0x40000000) mmap(&(0x7f0000000000/0xb36000)=nil, 0xb36000, 0x3, 0x8031, 0xffffffffffffffff, 0x0) unshare(0x0) r0 = socket$netlink(0x10, 0x3, 0x0) writev(r0, &(0x7f0000000080)=[{&(0x7f00000000c0)="390000001300090468fe0700000000000000ff3f04000000480100100000000004002b000a00010014a4ee1ee438d2fd000000000000007200", 0x39}], 0x1) r1 = socket$nl_route(0x10, 0x3, 0x0) sendmsg$netlink(r1, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000100)=[{&(0x7f00000001c0)=ANY=[@ANYBLOB="2800000013000100000000000000000008000000", @ANYRES32=r1, @ANYBLOB='\f\x00\x00\x00', @ANYRES32=0x0, @ANYBLOB="08000d002e14f9"], 0x28}], 0x1}, 0x0) writev(r0, &(0x7f0000000000)=[{&(0x7f0000000040)="3900000013001104680907003f00000f0000ff3f04000000290a001700000000040037000a00030014917c82aa75b9a64411f6a4ee1ee438d2", 0x39}], 0x1) 10:34:41 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000380), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000000c0)=ANY=[@ANYBLOB="90000000", @ANYRES16=r2, @ANYBLOB="01000000000000000000010000000c00050000000000060000000c0002000000000000000000040007800c0008000000000000000000080001"], 0x90}}, 0x0) 10:34:41 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000380), r0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000000)) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) r4 = socket$netlink(0x10, 0x3, 0x0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000000c0)=ANY=[@ANYBLOB="90000000", @ANYRES16=r2, @ANYBLOB="01000000000000000000010000000c00050000000000000000000c0002090000000000000000040007800c000800000000000000000008000100000000004400078008000100", @ANYRES32, @ANYBLOB="38000100", @ANYRES32=r3, @ANYBLOB="08000100", @ANYBLOB="0800d354", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32=r4], 0x90}}, 0x0) 10:34:41 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$nbd(&(0x7f0000000380), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000000c0)=ANY=[@ANYBLOB="90000000", @ANYRES16=r2, @ANYBLOB="01000000000000000000010000000c0005000000000000f0ffff0c0002000000000000000000040007800c0008000000000000000000080001"], 0x90}}, 0x0) 10:34:41 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$nbd(&(0x7f0000000380), r0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000000)) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) r4 = socket$netlink(0x10, 0x3, 0x0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000002c0)={0x0, 0x6c, &(0x7f0000000280)={&(0x7f00000000c0)=ANY=[@ANYBLOB="90000000", @ANYRES16=r2, @ANYBLOB="01000000000000000000010000000c00050000030000000000000c0002000000000000000000040007800c000800000000000000000008000100000000004400078008000100", @ANYRES32, @ANYBLOB="38000100", @ANYRES32=r3, @ANYBLOB="08000100", @ANYBLOB="0800d354", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32=r4], 0x90}}, 0x0) 10:34:41 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000380), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000000c0)=ANY=[@ANYBLOB="90000000", @ANYRES16=r2, @ANYBLOB="01000000000000000000010000000c000500000000007fffffff0c0002000000000000000000040007800c0008000000000000000000080001"], 0x90}}, 0x0) [ 3026.035032][T19725] block nbd0: Unsupported socket: shutdown callout must be supported. 10:34:41 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000380), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000000c0)=ANY=[@ANYBLOB="90000000", @ANYRES16=r2, @ANYBLOB="01000000000000000000010000000c000500000000007fffffff0c0002000000000000000000040007800c0008000000000000000000080001"], 0x90}}, 0x0) [ 3026.108600][T19731] block nbd0: Unsupported socket: shutdown callout must be supported. [ 3026.177975][T19733] nbd: must specify a size in bytes for the device [ 3026.210904][T19737] nbd: must specify a size in bytes for the device 10:34:41 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000380), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000000c0)=ANY=[@ANYBLOB="90000000", @ANYRES16=r2, @ANYBLOB="01000000000000000000010000000c00050000000000070000000c0002000000000000000000040007800c0008000000000000000000080001"], 0x90}}, 0x0) 10:34:41 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000380), r0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000000)) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) r4 = socket$netlink(0x10, 0x3, 0x0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000002c0)={0x0, 0x74, &(0x7f0000000280)={&(0x7f00000000c0)=ANY=[@ANYBLOB="90000000", @ANYRES16=r2, @ANYBLOB="01000000000000000000010000000c00050000030000000000000c0002000000000000000000040007800c000800000000000000000008000100000000004400078008000100", @ANYRES32, @ANYBLOB="38000100", @ANYRES32=r3, @ANYBLOB="08000100", @ANYBLOB="0800d354", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32=r4], 0x90}}, 0x0) [ 3026.290203][T19735] lo speed is unknown, defaulting to 1000 10:34:41 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000380), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000000c0)=ANY=[@ANYBLOB="90000000", @ANYRES16=r2, @ANYBLOB="01000000000000000000010000000c000500000000009effffff0c0002000000000000000000040007800c0008000000000000000000080001"], 0x90}}, 0x0) 10:34:41 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$nbd(&(0x7f0000000380), r0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000000)) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) r4 = socket$netlink(0x10, 0x3, 0x0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000000c0)=ANY=[@ANYBLOB="90000000", @ANYRES16=r2, @ANYBLOB="01000000000000000000010000000c00050000000000000000000c00020a0000000000000000040007800c000800000000000000000008000100000000004400078008000100", @ANYRES32, @ANYBLOB="38000100", @ANYRES32=r3, @ANYBLOB="08000100", @ANYBLOB="0800d354", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32=r4], 0x90}}, 0x0) 10:34:41 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000380), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000000c0)=ANY=[@ANYBLOB="90000000", @ANYRES16=r2, @ANYBLOB="01000000000000000000010000000c000500000000009effffff0c0002000000000000000000040007800c0008000000000000000000080001"], 0x90}}, 0x0) [ 3026.414763][T19747] block nbd0: Unsupported socket: shutdown callout must be supported. [ 3026.459205][T19751] block nbd0: Unsupported socket: shutdown callout must be supported. [ 3026.682237][T19769] nbd: must specify a size in bytes for the device [ 3026.711934][T19772] nbd: must specify a size in bytes for the device [ 3026.977787][T19735] device gretap0 entered promiscuous mode [ 3026.985051][T19735] device gretap0 left promiscuous mode [ 3027.005939][T19735] ‘|‚ªu: renamed from gretap0 [ 3027.014793][T19735] ‘|‚ªu: default qdisc (pfifo_fast) fail, fallback to noqueue [ 3027.033253][T19735] A link change request failed with some changes committed already. Interface ‘|‚ªu may have been left with an inconsistent configuration, please check. [ 3027.102470][T19735] lo speed is unknown, defaulting to 1000 [ 3027.181241][T19781] device ‘|‚ªu entered promiscuous mode [ 3027.496779][T19808] device ‘|‚ªu left promiscuous mode [ 3027.502583][T19808] ‘|‚ªu: refused to change device tx_queue_len 10:34:42 executing program 5: unshare(0x40000000) mmap(&(0x7f0000000000/0xb36000)=nil, 0xb36000, 0x3, 0x8031, 0xffffffffffffffff, 0x0) unshare(0x0) r0 = socket$netlink(0x10, 0x3, 0x0) writev(r0, &(0x7f0000000080)=[{&(0x7f00000000c0)="390000001300090468fe0700000000000000ff3f04000000480100100000000004002b000a00010014a4ee1ee438d2fd000000000000007200", 0x39}], 0x1) r1 = socket$nl_route(0x10, 0x3, 0x0) sendmsg$netlink(r1, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000100)=[{&(0x7f00000001c0)=ANY=[@ANYBLOB="2800000013000100000000000000000008000000", @ANYRES32=r1, @ANYBLOB='\f\x00\x00\x00', @ANYRES32=0x0, @ANYBLOB="08000d002e14f9"], 0x28}], 0x1}, 0x0) writev(r0, &(0x7f0000000000)=[{&(0x7f0000000040)="3900000013001104680907004000000f0000ff3f04000000290a001700000000040037000a00030014917c82aa75b9a64411f6a4ee1ee438d2", 0x39}], 0x1) 10:34:42 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$nbd(&(0x7f0000000380), r0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000000)) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) r4 = socket$netlink(0x10, 0x3, 0x0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000000c0)=ANY=[@ANYBLOB="90000000", @ANYRES16=r2, @ANYBLOB="01000000000000000000010000000c00050000000000000000000c0002480000000000000000040007800c000800000000000000000008000100000000004400078008000100", @ANYRES32, @ANYBLOB="38000100", @ANYRES32=r3, @ANYBLOB="08000100", @ANYBLOB="0800d354", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32=r4], 0x90}}, 0x0) 10:34:42 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000380), r0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000000)) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) r4 = socket$netlink(0x10, 0x3, 0x0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000002c0)={0x0, 0x7a, &(0x7f0000000280)={&(0x7f00000000c0)=ANY=[@ANYBLOB="90000000", @ANYRES16=r2, @ANYBLOB="01000000000000000000010000000c00050000030000000000000c0002000000000000000000040007800c000800000000000000000008000100000000004400078008000100", @ANYRES32, @ANYBLOB="38000100", @ANYRES32=r3, @ANYBLOB="08000100", @ANYBLOB="0800d354", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32=r4], 0x90}}, 0x0) 10:34:42 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$nbd(&(0x7f0000000380), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000000c0)=ANY=[@ANYBLOB="90000000", @ANYRES16=r2, @ANYBLOB="01000000000000000000010000000c00050000000000090000000c0002000000000000000000040007800c0008000000000000000000080001"], 0x90}}, 0x0) 10:34:42 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$nbd(&(0x7f0000000380), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000000c0)=ANY=[@ANYBLOB="90000000", @ANYRES16=r2, @ANYBLOB="01000000000000000000010000000c00050000000000f0ffffff0c0002000000000000000000040007800c0008000000000000000000080001"], 0x90}}, 0x0) 10:34:42 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000380), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000000c0)=ANY=[@ANYBLOB="90000000", @ANYRES16=r2, @ANYBLOB="01000000000000000000010000000c00050000000000f0ffffff0c0002000000000000000000040007800c0008000000000000000000080001"], 0x90}}, 0x0) [ 3027.933560][T19819] nbd: must specify a size in bytes for the device 10:34:43 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$nbd(&(0x7f0000000380), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000000c0)=ANY=[@ANYBLOB="90000000", @ANYRES16=r2, @ANYBLOB="01000000000000000000010000000c0005000000000000000000030002000000000000000000040007800c0008000000000000000000080001"], 0x90}}, 0x0) [ 3027.977428][T19820] block nbd0: Unsupported socket: shutdown callout must be supported. 10:34:43 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000380), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000000c0)=ANY=[@ANYBLOB="90000000", @ANYRES16=r2, @ANYBLOB="01000000000000000000010000000c0005000000000000000000030002000000000000000000040007800c0008000000000000000000080001"], 0x90}}, 0x0) [ 3028.032033][T19824] nbd: must specify a size in bytes for the device [ 3028.051191][T19825] lo speed is unknown, defaulting to 1000 [ 3028.056904][T19827] block nbd0: Unsupported socket: shutdown callout must be supported. 10:34:43 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$nbd(&(0x7f0000000380), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000000c0)=ANY=[@ANYBLOB="90000000", @ANYRES16=r2, @ANYBLOB="01000000000000000000010000000c000500000000000a0000000c0002000000000000000000040007800c0008000000000000000000080001"], 0x90}}, 0x0) 10:34:43 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$nbd(&(0x7f0000000380), r0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000000)) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) r4 = socket$netlink(0x10, 0x3, 0x0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000000c0)=ANY=[@ANYBLOB="90000000", @ANYRES16=r2, @ANYBLOB="01000000000000000000010000000c00050000000000000000000c00024c0000000000000000040007800c000800000000000000000008000100000000004400078008000100", @ANYRES32, @ANYBLOB="38000100", @ANYRES32=r3, @ANYBLOB="08000100", @ANYBLOB="0800d354", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32=r4], 0x90}}, 0x0) [ 3028.233295][T19840] nbd: must specify at least one socket 10:34:43 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000380), r0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000000)) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) r4 = socket$netlink(0x10, 0x3, 0x0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000002c0)={0x0, 0xf0, &(0x7f0000000280)={&(0x7f00000000c0)=ANY=[@ANYBLOB="90000000", @ANYRES16=r2, @ANYBLOB="01000000000000000000010000000c00050000030000000000000c0002000000000000000000040007800c000800000000000000000008000100000000004400078008000100", @ANYRES32, @ANYBLOB="38000100", @ANYRES32=r3, @ANYBLOB="08000100", @ANYBLOB="0800d354", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32=r4], 0x90}}, 0x0) [ 3028.297048][T19848] nbd: must specify at least one socket 10:34:43 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$nbd(&(0x7f0000000380), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000000c0)=ANY=[@ANYBLOB="90000000", @ANYRES16=r2, @ANYBLOB="01000000000000000000010000000c00050000000000000200000c0002000000000000000000040007800c0008000000000000000000080001"], 0x90}}, 0x0) [ 3028.472721][T19861] nbd: must specify a size in bytes for the device [ 3028.509383][T19862] block nbd0: Unsupported socket: shutdown callout must be supported. [ 3028.571662][T19863] nbd: must specify a size in bytes for the device [ 3028.584698][T19866] block nbd0: Unsupported socket: shutdown callout must be supported. [ 3028.923658][T19825] device gretap0 entered promiscuous mode [ 3028.936924][T19825] device gretap0 left promiscuous mode [ 3028.963658][T19825] ‘|‚ªu: renamed from gretap0 [ 3028.971768][T19825] ‘|‚ªu: default qdisc (pfifo_fast) fail, fallback to noqueue [ 3028.994887][T19825] A link change request failed with some changes committed already. Interface ‘|‚ªu may have been left with an inconsistent configuration, please check. [ 3029.089373][T19825] lo speed is unknown, defaulting to 1000 [ 3029.140675][T19873] device ‘|‚ªu entered promiscuous mode [ 3029.417658][T19896] device ‘|‚ªu left promiscuous mode [ 3029.446984][T19896] ‘|‚ªu: refused to change device tx_queue_len 10:34:44 executing program 5: unshare(0x40000000) mmap(&(0x7f0000000000/0xb36000)=nil, 0xb36000, 0x3, 0x8031, 0xffffffffffffffff, 0x0) unshare(0x0) r0 = socket$netlink(0x10, 0x3, 0x0) writev(r0, &(0x7f0000000080)=[{&(0x7f00000000c0)="390000001300090468fe0700000000000000ff3f04000000480100100000000004002b000a00010014a4ee1ee438d2fd000000000000007200", 0x39}], 0x1) r1 = socket$nl_route(0x10, 0x3, 0x0) sendmsg$netlink(r1, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000100)=[{&(0x7f00000001c0)=ANY=[@ANYBLOB="2800000013000100000000000000000008000000", @ANYRES32=r1, @ANYBLOB='\f\x00\x00\x00', @ANYRES32=0x0, @ANYBLOB="08000d002e14f9"], 0x28}], 0x1}, 0x0) writev(r0, &(0x7f0000000000)=[{&(0x7f0000000040)="3900000013001104680907034000000f0000ff3f04000000290a001700000000040037000a00030014917c82aa75b9a64411f6a4ee1ee438d2", 0x39}], 0x1) 10:34:44 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000380), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000000c0)=ANY=[@ANYBLOB="90000000", @ANYRES16=r2, @ANYBLOB="01000000000000000000010000000c000500000000000f0000000c0002000000000000000000040007800c0008000000000000000000080001"], 0x90}}, 0x0) 10:34:44 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000380), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000000c0)=ANY=[@ANYBLOB="90000000", @ANYRES16=r2, @ANYBLOB="01000000000000000000010000000c00050000000000000200000c0002000000000000000000040007800c0008000000000000000000080001"], 0x90}}, 0x0) 10:34:44 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000380), r0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000000)) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) r4 = socket$netlink(0x10, 0x3, 0x0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000000c0)=ANY=[@ANYBLOB="90000000", @ANYRES16=r2, @ANYBLOB="01000000000000000000010000000c00050000000000000000000c0002600000000000000000040007800c000800000000000000000008000100000000004400078008000100", @ANYRES32, @ANYBLOB="38000100", @ANYRES32=r3, @ANYBLOB="08000100", @ANYBLOB="0800d354", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32=r4], 0x90}}, 0x0) 10:34:44 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$nbd(&(0x7f0000000380), r0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000000)) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) r4 = socket$netlink(0x10, 0x3, 0x0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000002c0)={0x0, 0x300, &(0x7f0000000280)={&(0x7f00000000c0)=ANY=[@ANYBLOB="90000000", @ANYRES16=r2, @ANYBLOB="01000000000000000000010000000c00050000030000000000000c0002000000000000000000040007800c000800000000000000000008000100000000004400078008000100", @ANYRES32, @ANYBLOB="38000100", @ANYRES32=r3, @ANYBLOB="08000100", @ANYBLOB="0800d354", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32=r4], 0x90}}, 0x0) 10:34:44 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000380), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000000c0)=ANY=[@ANYBLOB="90000000", @ANYRES16=r2, @ANYBLOB="01000000000000000000010000000c00050000000000000300000c0002000000000000000000040007800c0008000000000000000000080001"], 0x90}}, 0x0) [ 3029.728592][T19903] __nla_validate_parse: 65 callbacks suppressed [ 3029.728613][T19903] netlink: 76 bytes leftover after parsing attributes in process `syz-executor.3'. [ 3029.805207][T19907] netlink: 76 bytes leftover after parsing attributes in process `syz-executor.0'. [ 3029.854328][T19908] lo speed is unknown, defaulting to 1000 [ 3029.869039][T19910] netlink: 8 bytes leftover after parsing attributes in process `syz-executor.4'. [ 3029.895156][T19910] nbd: must specify a size in bytes for the device 10:34:45 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000380), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000000c0)=ANY=[@ANYBLOB="90000000", @ANYRES16=r2, @ANYBLOB="01000000000000000000010000000c00050000000000000400000c0002000000000000000000040007800c0008000000000000000000080001"], 0x90}}, 0x0) 10:34:45 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000380), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000000c0)=ANY=[@ANYBLOB="90000000", @ANYRES16=r2, @ANYBLOB="01000000000000000000010000000c00050000000000000300000c0002000000000000000000040007800c0008000000000000000000080001"], 0x90}}, 0x0) 10:34:45 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000380), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000000c0)=ANY=[@ANYBLOB="90000000", @ANYRES16=r2, @ANYBLOB="01000000000000000000010000000c000500000000a0150000000c0002000000000000000000040007800c0008000000000000000000080001"], 0x90}}, 0x0) [ 3029.938436][T19909] netlink: 8 bytes leftover after parsing attributes in process `syz-executor.1'. [ 3030.026646][T19909] netlink: 4 bytes leftover after parsing attributes in process `syz-executor.1'. [ 3030.035899][T19909] netlink: 4 bytes leftover after parsing attributes in process `syz-executor.1'. 10:34:45 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000380), r0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000000)) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) r4 = socket$netlink(0x10, 0x3, 0x0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000000c0)=ANY=[@ANYBLOB="90000000", @ANYRES16=r2, @ANYBLOB="01000000000000000000010000000c00050000000000000000000c0002680000000000000000040007800c000800000000000000000008000100000000004400078008000100", @ANYRES32, @ANYBLOB="38000100", @ANYRES32=r3, @ANYBLOB="08000100", @ANYBLOB="0800d354", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32=r4], 0x90}}, 0x0) [ 3030.172645][T19940] netlink: 76 bytes leftover after parsing attributes in process `syz-executor.0'. 10:34:45 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$nbd(&(0x7f0000000380), r0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000000)) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) r4 = socket$netlink(0x10, 0x3, 0x0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000002c0)={0x0, 0x500, &(0x7f0000000280)={&(0x7f00000000c0)=ANY=[@ANYBLOB="90000000", @ANYRES16=r2, @ANYBLOB="01000000000000000000010000000c00050000030000000000000c0002000000000000000000040007800c000800000000000000000008000100000000004400078008000100", @ANYRES32, @ANYBLOB="38000100", @ANYRES32=r3, @ANYBLOB="08000100", @ANYBLOB="0800d354", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32=r4], 0x90}}, 0x0) [ 3030.247043][T19941] netlink: 76 bytes leftover after parsing attributes in process `syz-executor.2'. [ 3030.287053][T19943] netlink: 76 bytes leftover after parsing attributes in process `syz-executor.3'. 10:34:45 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000380), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000000c0)=ANY=[@ANYBLOB="90000000", @ANYRES16=r2, @ANYBLOB="01000000000000000000010000000c000500000000001f0000000c0002000000000000000000040007800c0008000000000000000000080001"], 0x90}}, 0x0) [ 3030.372400][T19945] netlink: 8 bytes leftover after parsing attributes in process `syz-executor.4'. [ 3030.414958][T19945] nbd: must specify a size in bytes for the device [ 3030.481402][T19951] block nbd0: Unsupported socket: shutdown callout must be supported. [ 3030.543058][T19947] nbd: must specify a size in bytes for the device [ 3030.559315][T19955] block nbd0: Unsupported socket: shutdown callout must be supported. [ 3030.728698][T19908] device gretap0 entered promiscuous mode [ 3030.735415][T19908] device gretap0 left promiscuous mode [ 3030.747767][T19908] ‘|‚ªu: renamed from gretap0 [ 3030.768266][T19908] ‘|‚ªu: default qdisc (pfifo_fast) fail, fallback to noqueue [ 3030.796676][T19908] A link change request failed with some changes committed already. Interface ‘|‚ªu may have been left with an inconsistent configuration, please check. [ 3030.922985][T19908] lo speed is unknown, defaulting to 1000 [ 3031.024990][T19958] device ‘|‚ªu entered promiscuous mode [ 3031.306934][T19984] device ‘|‚ªu left promiscuous mode [ 3031.312693][T19984] ‘|‚ªu: refused to change device tx_queue_len 10:34:46 executing program 5: unshare(0x40000000) mmap(&(0x7f0000000000/0xb36000)=nil, 0xb36000, 0x3, 0x8031, 0xffffffffffffffff, 0x0) unshare(0x0) r0 = socket$netlink(0x10, 0x3, 0x0) writev(r0, &(0x7f0000000080)=[{&(0x7f00000000c0)="390000001300090468fe0700000000000000ff3f04000000480100100000000004002b000a00010014a4ee1ee438d2fd000000000000007200", 0x39}], 0x1) r1 = socket$nl_route(0x10, 0x3, 0x0) sendmsg$netlink(r1, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000100)=[{&(0x7f00000001c0)=ANY=[@ANYBLOB="2800000013000100000000000000000008000000", @ANYRES32=r1, @ANYBLOB='\f\x00\x00\x00', @ANYRES32=0x0, @ANYBLOB="08000d002e14f9"], 0x28}], 0x1}, 0x0) writev(r0, &(0x7f0000000000)=[{&(0x7f0000000040)="3900000013001104680907014100000f0000ff3f04000000290a001700000000040037000a00030014917c82aa75b9a64411f6a4ee1ee438d2", 0x39}], 0x1) 10:34:46 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$nbd(&(0x7f0000000380), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000000c0)=ANY=[@ANYBLOB="90000000", @ANYRES16=r2, @ANYBLOB="01000000000000000000010000000c00050000000000000500000c0002000000000000000000040007800c0008000000000000000000080001"], 0x90}}, 0x0) 10:34:46 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000380), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000000c0)=ANY=[@ANYBLOB="90000000", @ANYRES16=r2, @ANYBLOB="01000000000000000000010000000c00050000000000000400000c0002000000000000000000040007800c0008000000000000000000080001"], 0x90}}, 0x0) 10:34:46 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$nbd(&(0x7f0000000380), r0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000000)) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) r4 = socket$netlink(0x10, 0x3, 0x0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000000c0)=ANY=[@ANYBLOB="90000000", @ANYRES16=r2, @ANYBLOB="01000000000000000000010000000c00050000000000000000000c00026c0000000000000000040007800c000800000000000000000008000100000000004400078008000100", @ANYRES32, @ANYBLOB="38000100", @ANYRES32=r3, @ANYBLOB="08000100", @ANYBLOB="0800d354", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32=r4], 0x90}}, 0x0) 10:34:46 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000380), r0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000000)) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) r4 = socket$netlink(0x10, 0x3, 0x0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000002c0)={0x0, 0x600, &(0x7f0000000280)={&(0x7f00000000c0)=ANY=[@ANYBLOB="90000000", @ANYRES16=r2, @ANYBLOB="01000000000000000000010000000c00050000030000000000000c0002000000000000000000040007800c000800000000000000000008000100000000004400078008000100", @ANYRES32, @ANYBLOB="38000100", @ANYRES32=r3, @ANYBLOB="08000100", @ANYBLOB="0800d354", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32=r4], 0x90}}, 0x0) 10:34:46 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$nbd(&(0x7f0000000380), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000000c0)=ANY=[@ANYBLOB="90000000", @ANYRES16=r2, @ANYBLOB="01000000000000000000010000000c00050000000000200000000c0002000000000000000000040007800c0008000000000000000000080001"], 0x90}}, 0x0) [ 3031.569060][T19991] nbd: must specify a size in bytes for the device [ 3031.599755][T19993] block nbd0: Unsupported socket: shutdown callout must be supported. [ 3031.653829][T20000] nbd: must specify a size in bytes for the device [ 3031.687197][T20001] block nbd0: Unsupported socket: shutdown callout must be supported. 10:34:46 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000380), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000000c0)=ANY=[@ANYBLOB="90000000", @ANYRES16=r2, @ANYBLOB="01000000000000000000010000000c00050000000000000500000c0002000000000000000000040007800c0008000000000000000000080001"], 0x90}}, 0x0) 10:34:46 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$nbd(&(0x7f0000000380), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000000c0)=ANY=[@ANYBLOB="90000000", @ANYRES16=r2, @ANYBLOB="01000000000000000000010000000c000500000000003f0000000c0002000000000000000000040007800c0008000000000000000000080001"], 0x90}}, 0x0) 10:34:46 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$nbd(&(0x7f0000000380), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000000c0)=ANY=[@ANYBLOB="90000000", @ANYRES16=r2, @ANYBLOB="01000000000000000000010000000c00050000000000000600000c0002000000000000000000040007800c0008000000000000000000080001"], 0x90}}, 0x0) [ 3031.728542][T20002] lo speed is unknown, defaulting to 1000 10:34:47 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$nbd(&(0x7f0000000380), r0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000000)) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) r4 = socket$netlink(0x10, 0x3, 0x0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000000c0)=ANY=[@ANYBLOB="90000000", @ANYRES16=r2, @ANYBLOB="01000000000000000000010000000c00050000000000000000000c0002740000000000000000040007800c000800000000000000000008000100000000004400078008000100", @ANYRES32, @ANYBLOB="38000100", @ANYRES32=r3, @ANYBLOB="08000100", @ANYBLOB="0800d354", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32=r4], 0x90}}, 0x0) 10:34:47 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000380), r0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000000)) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) r4 = socket$netlink(0x10, 0x3, 0x0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000002c0)={0x0, 0x700, &(0x7f0000000280)={&(0x7f00000000c0)=ANY=[@ANYBLOB="90000000", @ANYRES16=r2, @ANYBLOB="01000000000000000000010000000c00050000030000000000000c0002000000000000000000040007800c000800000000000000000008000100000000004400078008000100", @ANYRES32, @ANYBLOB="38000100", @ANYRES32=r3, @ANYBLOB="08000100", @ANYBLOB="0800d354", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32=r4], 0x90}}, 0x0) 10:34:47 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$nbd(&(0x7f0000000380), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000000c0)=ANY=[@ANYBLOB="90000000", @ANYRES16=r2, @ANYBLOB="01000000000000000000010000000c00050000000000000700000c0002000000000000000000040007800c0008000000000000000000080001"], 0x90}}, 0x0) [ 3032.055754][T20034] nbd: must specify a size in bytes for the device [ 3032.120112][T20038] nbd: must specify a size in bytes for the device [ 3032.169404][T20039] block nbd0: Unsupported socket: shutdown callout must be supported. [ 3032.243432][T20042] block nbd0: Unsupported socket: shutdown callout must be supported. [ 3032.644613][T20002] device gretap0 entered promiscuous mode [ 3032.683502][T20002] device gretap0 left promiscuous mode [ 3032.722238][T20002] ‘|‚ªu: renamed from gretap0 [ 3032.739407][T20002] ‘|‚ªu: default qdisc (pfifo_fast) fail, fallback to noqueue [ 3032.778980][T20002] A link change request failed with some changes committed already. Interface ‘|‚ªu may have been left with an inconsistent configuration, please check. [ 3032.844958][T20002] lo speed is unknown, defaulting to 1000 [ 3032.926741][T20050] device ‘|‚ªu entered promiscuous mode [ 3033.086389][T20074] device ‘|‚ªu left promiscuous mode [ 3033.092139][T20074] ‘|‚ªu: refused to change device tx_queue_len 10:34:48 executing program 5: unshare(0x40000000) mmap(&(0x7f0000000000/0xb36000)=nil, 0xb36000, 0x3, 0x8031, 0xffffffffffffffff, 0x0) unshare(0x0) r0 = socket$netlink(0x10, 0x3, 0x0) writev(r0, &(0x7f0000000080)=[{&(0x7f00000000c0)="390000001300090468fe0700000000000000ff3f04000000480100100000000004002b000a00010014a4ee1ee438d2fd000000000000007200", 0x39}], 0x1) r1 = socket$nl_route(0x10, 0x3, 0x0) sendmsg$netlink(r1, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000100)=[{&(0x7f00000001c0)=ANY=[@ANYBLOB="2800000013000100000000000000000008000000", @ANYRES32=r1, @ANYBLOB='\f\x00\x00\x00', @ANYRES32=0x0, @ANYBLOB="08000d002e14f9"], 0x28}], 0x1}, 0x0) writev(r0, &(0x7f0000000000)=[{&(0x7f0000000040)="3900000013001104680907034500000f0000ff3f04000000290a001700000000040037000a00030014917c82aa75b9a64411f6a4ee1ee438d2", 0x39}], 0x1) 10:34:48 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000380), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000000c0)=ANY=[@ANYBLOB="90000000", @ANYRES16=r2, @ANYBLOB="01000000000000000000010000000c00050000000000480000000c0002000000000000000000040007800c0008000000000000000000080001"], 0x90}}, 0x0) 10:34:48 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000380), r0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000000)) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) r4 = socket$netlink(0x10, 0x3, 0x0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000000c0)=ANY=[@ANYBLOB="90000000", @ANYRES16=r2, @ANYBLOB="01000000000000000000010000000c00050000000000000000000c00027a0000000000000000040007800c000800000000000000000008000100000000004400078008000100", @ANYRES32, @ANYBLOB="38000100", @ANYRES32=r3, @ANYBLOB="08000100", @ANYBLOB="0800d354", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32=r4], 0x90}}, 0x0) 10:34:48 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000380), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000000c0)=ANY=[@ANYBLOB="90000000", @ANYRES16=r2, @ANYBLOB="01000000000000000000010000000c00050000000000000600000c0002000000000000000000040007800c0008000000000000000000080001"], 0x90}}, 0x0) 10:34:48 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$nbd(&(0x7f0000000380), r0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000000)) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) r4 = socket$netlink(0x10, 0x3, 0x0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000002c0)={0x0, 0x900, &(0x7f0000000280)={&(0x7f00000000c0)=ANY=[@ANYBLOB="90000000", @ANYRES16=r2, @ANYBLOB="01000000000000000000010000000c00050000030000000000000c0002000000000000000000040007800c000800000000000000000008000100000000004400078008000100", @ANYRES32, @ANYBLOB="38000100", @ANYRES32=r3, @ANYBLOB="08000100", @ANYBLOB="0800d354", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32=r4], 0x90}}, 0x0) 10:34:48 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000380), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000000c0)=ANY=[@ANYBLOB="90000000", @ANYRES16=r2, @ANYBLOB="01000000000000000000010000000c00050000000000000900000c0002000000000000000000040007800c0008000000000000000000080001"], 0x90}}, 0x0) [ 3033.274390][T20080] nbd: must specify a size in bytes for the device [ 3033.350114][T20086] nbd: must specify a size in bytes for the device [ 3033.367507][T20084] block nbd0: Unsupported socket: shutdown callout must be supported. 10:34:48 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000380), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000000c0)=ANY=[@ANYBLOB="90000000", @ANYRES16=r2, @ANYBLOB="01000000000000000000010000000c000500000000004c0000000c0002000000000000000000040007800c0008000000000000000000080001"], 0x90}}, 0x0) [ 3033.421582][T20090] block nbd0: Unsupported socket: shutdown callout must be supported. 10:34:48 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000380), r0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000000)) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) r4 = socket$netlink(0x10, 0x3, 0x0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000000c0)=ANY=[@ANYBLOB="90000000", @ANYRES16=r2, @ANYBLOB="01000000000000000000010000000c00050000000000000000000c0002f00000000000000000040007800c000800000000000000000008000100000000004400078008000100", @ANYRES32, @ANYBLOB="38000100", @ANYRES32=r3, @ANYBLOB="08000100", @ANYBLOB="0800d354", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32=r4], 0x90}}, 0x0) 10:34:48 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000380), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000000c0)=ANY=[@ANYBLOB="90000000", @ANYRES16=r2, @ANYBLOB="01000000000000000000010000000c00050000000000000700000c0002000000000000000000040007800c0008000000000000000000080001"], 0x90}}, 0x0) 10:34:48 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$nbd(&(0x7f0000000380), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000000c0)=ANY=[@ANYBLOB="90000000", @ANYRES16=r2, @ANYBLOB="01000000000000000000010000000c00050000000000000a00000c0002000000000000000000040007800c0008000000000000000000080001"], 0x90}}, 0x0) [ 3033.530445][T20091] lo speed is unknown, defaulting to 1000 10:34:48 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$nbd(&(0x7f0000000380), r0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000000)) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) r4 = socket$netlink(0x10, 0x3, 0x0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000002c0)={0x0, 0xa00, &(0x7f0000000280)={&(0x7f00000000c0)=ANY=[@ANYBLOB="90000000", @ANYRES16=r2, @ANYBLOB="01000000000000000000010000000c00050000030000000000000c0002000000000000000000040007800c000800000000000000000008000100000000004400078008000100", @ANYRES32, @ANYBLOB="38000100", @ANYRES32=r3, @ANYBLOB="08000100", @ANYBLOB="0800d354", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32=r4], 0x90}}, 0x0) 10:34:48 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000380), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000000c0)=ANY=[@ANYBLOB="90000000", @ANYRES16=r2, @ANYBLOB="01000000000000000000010000000c00050000000000600000000c0002000000000000000000040007800c0008000000000000000000080001"], 0x90}}, 0x0) [ 3033.682845][T20109] nbd: must specify a size in bytes for the device [ 3033.759254][T20116] nbd: must specify a size in bytes for the device [ 3033.808430][T20118] block nbd0: Unsupported socket: shutdown callout must be supported. [ 3033.898933][T20125] block nbd0: Unsupported socket: shutdown callout must be supported. [ 3034.223559][T20091] device gretap0 entered promiscuous mode [ 3034.231834][T20091] device gretap0 left promiscuous mode [ 3034.343997][T20091] ‘|‚ªu: renamed from gretap0 [ 3034.354187][T20091] ‘|‚ªu: default qdisc (pfifo_fast) fail, fallback to noqueue [ 3034.364909][T20091] A link change request failed with some changes committed already. Interface ‘|‚ªu may have been left with an inconsistent configuration, please check. [ 3034.544241][T20092] lo speed is unknown, defaulting to 1000 [ 3034.551025][T20135] device ‘|‚ªu entered promiscuous mode 10:34:50 executing program 5: unshare(0x40000000) mmap(&(0x7f0000000000/0xb36000)=nil, 0xb36000, 0x3, 0x8031, 0xffffffffffffffff, 0x0) unshare(0x0) r0 = socket$netlink(0x10, 0x3, 0x0) writev(r0, &(0x7f0000000080)=[{&(0x7f00000000c0)="390000001300090468fe0700000000000000ff3f04000000480100100000000004002b000a00010014a4ee1ee438d2fd000000000000007200", 0x39}], 0x1) r1 = socket$nl_route(0x10, 0x3, 0x0) sendmsg$netlink(r1, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000100)=[{&(0x7f00000001c0)=ANY=[@ANYBLOB="2800000013000100000000000000000008000000", @ANYRES32=r1, @ANYBLOB='\f\x00\x00\x00', @ANYRES32=0x0, @ANYBLOB="08000d002e14f9"], 0x28}], 0x1}, 0x0) writev(r0, &(0x7f0000000000)=[{&(0x7f0000000040)="3900000013001104680907034600000f0000ff3f04000000290a001700000000040037000a00030014917c82aa75b9a64411f6a4ee1ee438d2", 0x39}], 0x1) 10:34:50 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$nbd(&(0x7f0000000380), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000000c0)=ANY=[@ANYBLOB="90000000", @ANYRES16=r2, @ANYBLOB="01000000000000000000010000000c00050000000000000f00000c0002000000000000000000040007800c0008000000000000000000080001"], 0x90}}, 0x0) 10:34:50 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$nbd(&(0x7f0000000380), r0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000000)) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) r4 = socket$netlink(0x10, 0x3, 0x0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000000c0)=ANY=[@ANYBLOB="90000000", @ANYRES16=r2, @ANYBLOB="01000000000000000000010000000c00050000000000000000000c0002000300000000000000040007800c000800000000000000000008000100000000004400078008000100", @ANYRES32, @ANYBLOB="38000100", @ANYRES32=r3, @ANYBLOB="08000100", @ANYBLOB="0800d354", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32=r4], 0x90}}, 0x0) 10:34:50 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000380), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000000c0)=ANY=[@ANYBLOB="90000000", @ANYRES16=r2, @ANYBLOB="01000000000000000000010000000c00050000000000000900000c0002000000000000000000040007800c0008000000000000000000080001"], 0x90}}, 0x0) 10:34:50 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000380), r0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000000)) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) r4 = socket$netlink(0x10, 0x3, 0x0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000002c0)={0x0, 0xf00, &(0x7f0000000280)={&(0x7f00000000c0)=ANY=[@ANYBLOB="90000000", @ANYRES16=r2, @ANYBLOB="01000000000000000000010000000c00050000030000000000000c0002000000000000000000040007800c000800000000000000000008000100000000004400078008000100", @ANYRES32, @ANYBLOB="38000100", @ANYRES32=r3, @ANYBLOB="08000100", @ANYBLOB="0800d354", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32=r4], 0x90}}, 0x0) 10:34:50 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$nbd(&(0x7f0000000380), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000000c0)=ANY=[@ANYBLOB="90000000", @ANYRES16=r2, @ANYBLOB="01000000000000000000010000000c00050000000000680000000c0002000000000000000000040007800c0008000000000000000000080001"], 0x90}}, 0x0) [ 3035.074628][T20169] __nla_validate_parse: 64 callbacks suppressed [ 3035.074649][T20169] netlink: 76 bytes leftover after parsing attributes in process `syz-executor.0'. [ 3035.152497][T20171] netlink: 76 bytes leftover after parsing attributes in process `syz-executor.2'. [ 3035.169047][T20175] lo speed is unknown, defaulting to 1000 [ 3035.192994][T20174] netlink: 76 bytes leftover after parsing attributes in process `syz-executor.3'. 10:34:50 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$nbd(&(0x7f0000000380), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000000c0)=ANY=[@ANYBLOB="90000000", @ANYRES16=r2, @ANYBLOB="01000000000000000000010000000c000500000000006c0000000c0002000000000000000000040007800c0008000000000000000000080001"], 0x90}}, 0x0) [ 3035.233426][T20173] netlink: 8 bytes leftover after parsing attributes in process `syz-executor.4'. [ 3035.263653][T20173] netlink: 4 bytes leftover after parsing attributes in process `syz-executor.4'. [ 3035.305429][T20173] netlink: 4 bytes leftover after parsing attributes in process `syz-executor.4'. [ 3035.350778][T20173] block nbd0: Unsupported socket: shutdown callout must be supported. [ 3035.410886][T20172] netlink: 8 bytes leftover after parsing attributes in process `syz-executor.1'. [ 3035.433027][T20172] netlink: 4 bytes leftover after parsing attributes in process `syz-executor.1'. [ 3035.466261][T20172] netlink: 4 bytes leftover after parsing attributes in process `syz-executor.1'. [ 3035.499482][T20172] block nbd0: Unsupported socket: shutdown callout must be supported. [ 3035.566454][T20206] netlink: 8 bytes leftover after parsing attributes in process `syz-executor.4'. 10:34:50 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$nbd(&(0x7f0000000380), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000000c0)=ANY=[@ANYBLOB="90000000", @ANYRES16=r2, @ANYBLOB="01000000000000000000010000000c00050000000000004800000c0002000000000000000000040007800c0008000000000000000000080001"], 0x90}}, 0x0) 10:34:50 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000380), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000000c0)=ANY=[@ANYBLOB="90000000", @ANYRES16=r2, @ANYBLOB="01000000000000000000010000000c00050000000000000a00000c0002000000000000000000040007800c0008000000000000000000080001"], 0x90}}, 0x0) 10:34:50 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$nbd(&(0x7f0000000380), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000000c0)=ANY=[@ANYBLOB="90000000", @ANYRES16=r2, @ANYBLOB="01000000000000000000010000000c00050000000000740000000c0002000000000000000000040007800c0008000000000000000000080001"], 0x90}}, 0x0) 10:34:50 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$nbd(&(0x7f0000000380), r0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000000)) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) r4 = socket$netlink(0x10, 0x3, 0x0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000002c0)={0x0, 0x1f00, &(0x7f0000000280)={&(0x7f00000000c0)=ANY=[@ANYBLOB="90000000", @ANYRES16=r2, @ANYBLOB="01000000000000000000010000000c00050000030000000000000c0002000000000000000000040007800c000800000000000000000008000100000000004400078008000100", @ANYRES32, @ANYBLOB="38000100", @ANYRES32=r3, @ANYBLOB="08000100", @ANYBLOB="0800d354", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32=r4], 0x90}}, 0x0) 10:34:50 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000380), r0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000000)) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) r4 = socket$netlink(0x10, 0x3, 0x0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000000c0)=ANY=[@ANYBLOB="90000000", @ANYRES16=r2, @ANYBLOB="01000000000000000000010000000c00050000000000000000000c0002000500000000000000040007800c000800000000000000000008000100000000004400078008000100", @ANYRES32, @ANYBLOB="38000100", @ANYRES32=r3, @ANYBLOB="08000100", @ANYBLOB="0800d354", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32=r4], 0x90}}, 0x0) [ 3035.826928][T20215] nbd: nbd0 already in use [ 3035.873620][T20218] nbd: nbd0 already in use [ 3035.916458][T20221] block nbd0: Unsupported socket: shutdown callout must be supported. [ 3035.987059][T20224] block nbd0: Unsupported socket: shutdown callout must be supported. [ 3036.028040][T20225] block nbd0: Unsupported socket: shutdown callout must be supported. [ 3036.126149][T20229] block nbd0: Unsupported socket: shutdown callout must be supported. [ 3036.162049][T20175] device gretap0 entered promiscuous mode [ 3036.179438][T20175] device gretap0 left promiscuous mode [ 3036.220467][T20175] ‘|‚ªu: renamed from gretap0 [ 3036.249020][T20175] ‘|‚ªu: default qdisc (pfifo_fast) fail, fallback to noqueue [ 3036.289386][T20175] A link change request failed with some changes committed already. Interface ‘|‚ªu may have been left with an inconsistent configuration, please check. [ 3036.366662][T20175] lo speed is unknown, defaulting to 1000 [ 3036.886446][T20257] device ‘|‚ªu left promiscuous mode [ 3036.912306][T20257] ‘|‚ªu: refused to change device tx_queue_len 10:34:52 executing program 5: unshare(0x40000000) mmap(&(0x7f0000000000/0xb36000)=nil, 0xb36000, 0x3, 0x8031, 0xffffffffffffffff, 0x0) unshare(0x0) r0 = socket$netlink(0x10, 0x3, 0x0) writev(r0, &(0x7f0000000080)=[{&(0x7f00000000c0)="390000001300090468fe0700000000000000ff3f04000000480100100000000004002b000a00010014a4ee1ee438d2fd000000000000007200", 0x39}], 0x1) r1 = socket$nl_route(0x10, 0x3, 0x0) sendmsg$netlink(r1, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000100)=[{&(0x7f00000001c0)=ANY=[@ANYBLOB="2800000013000100000000000000000008000000", @ANYRES32=r1, @ANYBLOB='\f\x00\x00\x00', @ANYRES32=0x0, @ANYBLOB="08000d002e14f9"], 0x28}], 0x1}, 0x0) writev(r0, &(0x7f0000000000)=[{&(0x7f0000000040)="3900000013001104680907004800000f0000ff3f04000000290a001700000000040037000a00030014917c82aa75b9a64411f6a4ee1ee438d2", 0x39}], 0x1) 10:34:52 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000380), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000000c0)=ANY=[@ANYBLOB="90000000", @ANYRES16=r2, @ANYBLOB="01000000000000000000010000000c000500000000007a0000000c0002000000000000000000040007800c0008000000000000000000080001"], 0x90}}, 0x0) 10:34:52 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000380), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000000c0)=ANY=[@ANYBLOB="90000000", @ANYRES16=r2, @ANYBLOB="01000000000000000000010000000c00050000000000004c00000c0002000000000000000000040007800c0008000000000000000000080001"], 0x90}}, 0x0) 10:34:52 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000380), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000000c0)=ANY=[@ANYBLOB="90000000", @ANYRES16=r2, @ANYBLOB="01000000000000000000010000000c00050000000000000f00000c0002000000000000000000040007800c0008000000000000000000080001"], 0x90}}, 0x0) 10:34:52 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000380), r0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000000)) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) r4 = socket$netlink(0x10, 0x3, 0x0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000002c0)={0x0, 0x2000, &(0x7f0000000280)={&(0x7f00000000c0)=ANY=[@ANYBLOB="90000000", @ANYRES16=r2, @ANYBLOB="01000000000000000000010000000c00050000030000000000000c0002000000000000000000040007800c000800000000000000000008000100000000004400078008000100", @ANYRES32, @ANYBLOB="38000100", @ANYRES32=r3, @ANYBLOB="08000100", @ANYBLOB="0800d354", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32=r4], 0x90}}, 0x0) 10:34:52 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$nbd(&(0x7f0000000380), r0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000000)) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) r4 = socket$netlink(0x10, 0x3, 0x0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000000c0)=ANY=[@ANYBLOB="90000000", @ANYRES16=r2, @ANYBLOB="01000000000000000000010000000c00050000000000000000000c0002000600000000000000040007800c000800000000000000000008000100000000004400078008000100", @ANYRES32, @ANYBLOB="38000100", @ANYRES32=r3, @ANYBLOB="08000100", @ANYBLOB="0800d354", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32=r4], 0x90}}, 0x0) [ 3037.271465][T20265] block nbd0: Unsupported socket: shutdown callout must be supported. [ 3037.334776][T20266] block nbd0: Unsupported socket: shutdown callout must be supported. [ 3037.387899][T20271] block nbd0: Unsupported socket: shutdown callout must be supported. [ 3037.418811][T20275] block nbd0: Unsupported socket: shutdown callout must be supported. 10:34:52 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000380), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000000c0)=ANY=[@ANYBLOB="90000000", @ANYRES16=r2, @ANYBLOB="01000000000000000000010000000c00050000000000006000000c0002000000000000000000040007800c0008000000000000000000080001"], 0x90}}, 0x0) 10:34:52 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000380), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000000c0)=ANY=[@ANYBLOB="90000000", @ANYRES16=r2, @ANYBLOB="01000000000000000000010000000c00050000000015a00000000c0002000000000000000000040007800c0008000000000000000000080001"], 0x90}}, 0x0) 10:34:52 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000380), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000000c0)=ANY=[@ANYBLOB="90000000", @ANYRES16=r2, @ANYBLOB="01000000000000000000010000000c00050000000000004800000c0002000000000000000000040007800c0008000000000000000000080001"], 0x90}}, 0x0) [ 3037.480775][T20276] lo speed is unknown, defaulting to 1000 10:34:52 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000380), r0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000000)) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) r4 = socket$netlink(0x10, 0x3, 0x0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000000c0)=ANY=[@ANYBLOB="90000000", @ANYRES16=r2, @ANYBLOB="01000000000000000000010000000c00050000000000000000000c0002000700000000000000040007800c000800000000000000000008000100000000004400078008000100", @ANYRES32, @ANYBLOB="38000100", @ANYRES32=r3, @ANYBLOB="08000100", @ANYBLOB="0800d354", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32=r4], 0x90}}, 0x0) 10:34:52 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$nbd(&(0x7f0000000380), r0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000000)) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) r4 = socket$netlink(0x10, 0x3, 0x0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000002c0)={0x0, 0x3f00, &(0x7f0000000280)={&(0x7f00000000c0)=ANY=[@ANYBLOB="90000000", @ANYRES16=r2, @ANYBLOB="01000000000000000000010000000c00050000030000000000000c0002000000000000000000040007800c000800000000000000000008000100000000004400078008000100", @ANYRES32, @ANYBLOB="38000100", @ANYRES32=r3, @ANYBLOB="08000100", @ANYBLOB="0800d354", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32=r4], 0x90}}, 0x0) [ 3037.664448][T20294] nbd: nbd0 already in use [ 3037.714220][T20298] nbd: nbd0 already in use [ 3037.777854][T20304] nbd: nbd0 already in use [ 3037.808746][T20311] block nbd0: Unsupported socket: shutdown callout must be supported. 10:34:53 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000380), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000000c0)=ANY=[@ANYBLOB="90000000", @ANYRES16=r2, @ANYBLOB="01000000000000000000010000000c00050000000000006800000c0002000000000000000000040007800c0008000000000000000000080001"], 0x90}}, 0x0) [ 3037.876213][T20312] block nbd0: Unsupported socket: shutdown callout must be supported. [ 3037.926604][T20315] block nbd0: Unsupported socket: shutdown callout must be supported. [ 3037.975228][T20316] block nbd0: Unsupported socket: shutdown callout must be supported. [ 3038.321020][T20276] device gretap0 entered promiscuous mode [ 3038.331160][T20276] device gretap0 left promiscuous mode [ 3038.338332][T20276] ‘|‚ªu: renamed from gretap0 [ 3038.357628][T20276] ‘|‚ªu: default qdisc (pfifo_fast) fail, fallback to noqueue [ 3038.377206][T20276] A link change request failed with some changes committed already. Interface ‘|‚ªu may have been left with an inconsistent configuration, please check. [ 3038.460505][T20276] lo speed is unknown, defaulting to 1000 [ 3038.573291][T20324] device ‘|‚ªu entered promiscuous mode [ 3039.067498][T20353] device ‘|‚ªu left promiscuous mode [ 3039.073254][T20353] ‘|‚ªu: refused to change device tx_queue_len 10:34:54 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000380), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000000c0)=ANY=[@ANYBLOB="90000000", @ANYRES16=r2, @ANYBLOB="01000000000000000000010000000c00050000000000004c00000c0002000000000000000000040007800c0008000000000000000000080001"], 0x90}}, 0x0) 10:34:54 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000380), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000000c0)=ANY=[@ANYBLOB="90000000", @ANYRES16=r2, @ANYBLOB="01000000000000000000010000000c00050000000000f00000000c0002000000000000000000040007800c0008000000000000000000080001"], 0x90}}, 0x0) 10:34:54 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000380), r0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000000)) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) r4 = socket$netlink(0x10, 0x3, 0x0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000000c0)=ANY=[@ANYBLOB="90000000", @ANYRES16=r2, @ANYBLOB="01000000000000000000010000000c00050000000000000000000c0002000900000000000000040007800c000800000000000000000008000100000000004400078008000100", @ANYRES32, @ANYBLOB="38000100", @ANYRES32=r3, @ANYBLOB="08000100", @ANYBLOB="0800d354", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32=r4], 0x90}}, 0x0) 10:34:54 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$nbd(&(0x7f0000000380), r0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000000)) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) r4 = socket$netlink(0x10, 0x3, 0x0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000002c0)={0x0, 0x4800, &(0x7f0000000280)={&(0x7f00000000c0)=ANY=[@ANYBLOB="90000000", @ANYRES16=r2, @ANYBLOB="01000000000000000000010000000c00050000030000000000000c0002000000000000000000040007800c000800000000000000000008000100000000004400078008000100", @ANYRES32, @ANYBLOB="38000100", @ANYRES32=r3, @ANYBLOB="08000100", @ANYBLOB="0800d354", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32=r4], 0x90}}, 0x0) 10:34:54 executing program 5: unshare(0x40000000) mmap(&(0x7f0000000000/0xb36000)=nil, 0xb36000, 0x3, 0x8031, 0xffffffffffffffff, 0x0) unshare(0x0) r0 = socket$netlink(0x10, 0x3, 0x0) writev(r0, &(0x7f0000000080)=[{&(0x7f00000000c0)="390000001300090468fe0700000000000000ff3f04000000480100100000000004002b000a00010014a4ee1ee438d2fd000000000000007200", 0x39}], 0x1) r1 = socket$nl_route(0x10, 0x3, 0x0) sendmsg$netlink(r1, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000100)=[{&(0x7f00000001c0)=ANY=[@ANYBLOB="2800000013000100000000000000000008000000", @ANYRES32=r1, @ANYBLOB='\f\x00\x00\x00', @ANYRES32=0x0, @ANYBLOB="08000d002e14f9"], 0x28}], 0x1}, 0x0) writev(r0, &(0x7f0000000000)=[{&(0x7f0000000040)="3900000013001104680907024800000f0000ff3f04000000290a001700000000040037000a00030014917c82aa75b9a64411f6a4ee1ee438d2", 0x39}], 0x1) 10:34:54 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$nbd(&(0x7f0000000380), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000000c0)=ANY=[@ANYBLOB="90000000", @ANYRES16=r2, @ANYBLOB="01000000000000000000010000000c00050000000000006c00000c0002000000000000000000040007800c0008000000000000000000080001"], 0x90}}, 0x0) [ 3039.551800][T20362] block nbd0: Unsupported socket: shutdown callout must be supported. 10:34:54 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$nbd(&(0x7f0000000380), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000000c0)=ANY=[@ANYBLOB="90000000", @ANYRES16=r2, @ANYBLOB="01000000000000000000010000000c00050000000000000300000c0002000000000000000000040007800c0008000000000000000000080001"], 0x90}}, 0x0) 10:34:54 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$nbd(&(0x7f0000000380), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000000c0)=ANY=[@ANYBLOB="90000000", @ANYRES16=r2, @ANYBLOB="01000000000000000000010000000c00050000000000007400000c0002000000000000000000040007800c0008000000000000000000080001"], 0x90}}, 0x0) [ 3039.746578][T20368] lo speed is unknown, defaulting to 1000 [ 3039.818493][T20378] block nbd0: Unsupported socket: shutdown callout must be supported. 10:34:55 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000380), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000000c0)=ANY=[@ANYBLOB="90000000", @ANYRES16=r2, @ANYBLOB="01000000000000000000010000000c00050000000000006000000c0002000000000000000000040007800c0008000000000000000000080001"], 0x90}}, 0x0) 10:34:55 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$nbd(&(0x7f0000000380), r0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000000)) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) r4 = socket$netlink(0x10, 0x3, 0x0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000000c0)=ANY=[@ANYBLOB="90000000", @ANYRES16=r2, @ANYBLOB="01000000000000000000010000000c00050000000000000000000c0002000a00000000000000040007800c000800000000000000000008000100000000004400078008000100", @ANYRES32, @ANYBLOB="38000100", @ANYRES32=r3, @ANYBLOB="08000100", @ANYBLOB="0800d354", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32=r4], 0x90}}, 0x0) 10:34:55 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000380), r0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000000)) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) r4 = socket$netlink(0x10, 0x3, 0x0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000002c0)={0x0, 0x4c00, &(0x7f0000000280)={&(0x7f00000000c0)=ANY=[@ANYBLOB="90000000", @ANYRES16=r2, @ANYBLOB="01000000000000000000010000000c00050000030000000000000c0002000000000000000000040007800c000800000000000000000008000100000000004400078008000100", @ANYRES32, @ANYBLOB="38000100", @ANYRES32=r3, @ANYBLOB="08000100", @ANYBLOB="0800d354", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32=r4], 0x90}}, 0x0) 10:34:55 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$nbd(&(0x7f0000000380), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000000c0)=ANY=[@ANYBLOB="90000000", @ANYRES16=r2, @ANYBLOB="01000000000000000000010000000c00050000000000007a00000c0002000000000000000000040007800c0008000000000000000000080001"], 0x90}}, 0x0) 10:34:55 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$nbd(&(0x7f0000000380), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000000c0)=ANY=[@ANYBLOB="90000000", @ANYRES16=r2, @ANYBLOB="01000000000000000000010000000c00050000000000400300000c0002000000000000000000040007800c0008000000000000000000080001"], 0x90}}, 0x0) [ 3040.152888][T20404] __nla_validate_parse: 71 callbacks suppressed [ 3040.152910][T20404] netlink: 8 bytes leftover after parsing attributes in process `syz-executor.4'. [ 3040.218294][T20404] netlink: 4 bytes leftover after parsing attributes in process `syz-executor.4'. [ 3040.262140][T20404] netlink: 4 bytes leftover after parsing attributes in process `syz-executor.4'. [ 3040.299803][T20404] block nbd0: Unsupported socket: shutdown callout must be supported. [ 3040.376027][T20406] netlink: 76 bytes leftover after parsing attributes in process `syz-executor.3'. [ 3040.405968][T20412] netlink: 76 bytes leftover after parsing attributes in process `syz-executor.2'. 10:34:55 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$nbd(&(0x7f0000000380), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000000c0)=ANY=[@ANYBLOB="90000000", @ANYRES16=r2, @ANYBLOB="01000000000000000000010000000c00050000000000034000000c0002000000000000000000040007800c0008000000000000000000080001"], 0x90}}, 0x0) [ 3040.461652][T20418] netlink: 8 bytes leftover after parsing attributes in process `syz-executor.4'. [ 3040.477381][T20418] nbd: nbd0 already in use [ 3040.491402][T20420] netlink: 8 bytes leftover after parsing attributes in process `syz-executor.1'. [ 3040.541130][T20420] nbd: nbd0 already in use 10:34:55 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$nbd(&(0x7f0000000380), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000000c0)=ANY=[@ANYBLOB="90000000", @ANYRES16=r2, @ANYBLOB="01000000000000000000010000000c0005000000000000f000000c0002000000000000000000040007800c0008000000000000000000080001"], 0x90}}, 0x0) 10:34:55 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$nbd(&(0x7f0000000380), r0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000000)) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) r4 = socket$netlink(0x10, 0x3, 0x0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000000c0)=ANY=[@ANYBLOB="90000000", @ANYRES16=r2, @ANYBLOB="01000000000000000000010000000c00050000000000000000000c0002001f00000000000000040007800c000800000000000000000008000100000000004400078008000100", @ANYRES32, @ANYBLOB="38000100", @ANYRES32=r3, @ANYBLOB="08000100", @ANYBLOB="0800d354", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32=r4], 0x90}}, 0x0) [ 3040.671492][T20425] netlink: 76 bytes leftover after parsing attributes in process `syz-executor.0'. [ 3040.743513][T20368] netlink: 9 bytes leftover after parsing attributes in process `syz-executor.5'. [ 3040.762166][T20428] netlink: 76 bytes leftover after parsing attributes in process `syz-executor.2'. [ 3040.766880][T20368] device gretap0 entered promiscuous mode [ 3040.788778][T20371] ‘|‚ªu: refused to change device tx_queue_len [ 3040.809098][T20423] ‘|‚ªu: renamed from gretap0 [ 3040.826967][T20423] device ‘|‚ªu left promiscuous mode [ 3040.847184][T20423] A link change request failed with some changes committed already. Interface ‘|‚ªu may have been left with an inconsistent configuration, please check. [ 3040.891389][T20432] block nbd0: Unsupported socket: shutdown callout must be supported. [ 3040.939617][T20435] block nbd0: Unsupported socket: shutdown callout must be supported. [ 3040.948513][T20368] lo speed is unknown, defaulting to 1000 [ 3041.082446][T20423] device ‘|‚ªu entered promiscuous mode [ 3041.307550][T20460] device ‘|‚ªu left promiscuous mode [ 3041.320096][T20460] ‘|‚ªu: refused to change device tx_queue_len 10:34:56 executing program 5: unshare(0x40000000) mmap(&(0x7f0000000000/0xb36000)=nil, 0xb36000, 0x3, 0x8031, 0xffffffffffffffff, 0x0) unshare(0x0) r0 = socket$netlink(0x10, 0x3, 0x0) writev(r0, &(0x7f0000000080)=[{&(0x7f00000000c0)="390000001300090468fe0700000000000000ff3f04000000480100100000000004002b000a00010014a4ee1ee438d2fd000000000000007200", 0x39}], 0x1) r1 = socket$nl_route(0x10, 0x3, 0x0) sendmsg$netlink(r1, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000100)=[{&(0x7f00000001c0)=ANY=[@ANYBLOB="2800000013000100000000000000000008000000", @ANYRES32=r1, @ANYBLOB='\f\x00\x00\x00', @ANYRES32=0x0, @ANYBLOB="08000d002e14f9"], 0x28}], 0x1}, 0x0) writev(r0, &(0x7f0000000000)=[{&(0x7f0000000040)="3900000013001104680907024900000f0000ff3f04000000290a001700000000040037000a00030014917c82aa75b9a64411f6a4ee1ee438d2", 0x39}], 0x1) 10:34:56 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000380), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000000c0)=ANY=[@ANYBLOB="90000000", @ANYRES16=r2, @ANYBLOB="01000000000000000000010000000c00050000000000006800000c0002000000000000000000040007800c0008000000000000000000080001"], 0x90}}, 0x0) 10:34:56 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$nbd(&(0x7f0000000380), r0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000000)) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) r4 = socket$netlink(0x10, 0x3, 0x0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000002c0)={0x0, 0x6000, &(0x7f0000000280)={&(0x7f00000000c0)=ANY=[@ANYBLOB="90000000", @ANYRES16=r2, @ANYBLOB="01000000000000000000010000000c00050000030000000000000c0002000000000000000000040007800c000800000000000000000008000100000000004400078008000100", @ANYRES32, @ANYBLOB="38000100", @ANYRES32=r3, @ANYBLOB="08000100", @ANYBLOB="0800d354", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32=r4], 0x90}}, 0x0) 10:34:56 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000380), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000000c0)=ANY=[@ANYBLOB="90000000", @ANYRES16=r2, @ANYBLOB="01000000000000000000010000000c000500000000fffff000000c0002000000000000000000040007800c0008000000000000000000080001"], 0x90}}, 0x0) 10:34:56 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000380), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000000c0)=ANY=[@ANYBLOB="90000000", @ANYRES16=r2, @ANYBLOB="01000000000000000000010000000c00050000000000000003000c0002000000000000000000040007800c0008000000000000000000080001"], 0x90}}, 0x0) 10:34:56 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000380), r0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000000)) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) r4 = socket$netlink(0x10, 0x3, 0x0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000000c0)=ANY=[@ANYBLOB="90000000", @ANYRES16=r2, @ANYBLOB="01000000000000000000010000000c00050000000000000000000c0002002000000000000000040007800c000800000000000000000008000100000000004400078008000100", @ANYRES32, @ANYBLOB="38000100", @ANYRES32=r3, @ANYBLOB="08000100", @ANYBLOB="0800d354", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32=r4], 0x90}}, 0x0) [ 3041.665822][T20469] block nbd0: Unsupported socket: shutdown callout must be supported. [ 3041.772433][T20476] lo speed is unknown, defaulting to 1000 [ 3041.798315][T20477] nbd: nbd0 already in use [ 3041.818890][T20484] nbd: nbd0 already in use 10:34:57 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$nbd(&(0x7f0000000380), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000000c0)=ANY=[@ANYBLOB="90000000", @ANYRES16=r2, @ANYBLOB="01000000000000000000010000000c00050000000000000005000c0002000000000000000000040007800c0008000000000000000000080001"], 0x90}}, 0x0) 10:34:57 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$nbd(&(0x7f0000000380), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000000c0)=ANY=[@ANYBLOB="90000000", @ANYRES16=r2, @ANYBLOB="01000000000000000000010000000c00050000000000000001000c0002000000000000000000040007800c0008000000000000000000080001"], 0x90}}, 0x0) 10:34:57 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$nbd(&(0x7f0000000380), r0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000000)) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) r4 = socket$netlink(0x10, 0x3, 0x0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000000c0)=ANY=[@ANYBLOB="90000000", @ANYRES16=r2, @ANYBLOB="01000000000000000000010000000c00050000000000000000000c0002003f00000000000000040007800c000800000000000000000008000100000000004400078008000100", @ANYRES32, @ANYBLOB="38000100", @ANYRES32=r3, @ANYBLOB="08000100", @ANYBLOB="0800d354", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32=r4], 0x90}}, 0x0) 10:34:57 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000380), r0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000000)) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) r4 = socket$netlink(0x10, 0x3, 0x0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000002c0)={0x0, 0x6800, &(0x7f0000000280)={&(0x7f00000000c0)=ANY=[@ANYBLOB="90000000", @ANYRES16=r2, @ANYBLOB="01000000000000000000010000000c00050000030000000000000c0002000000000000000000040007800c000800000000000000000008000100000000004400078008000100", @ANYRES32, @ANYBLOB="38000100", @ANYRES32=r3, @ANYBLOB="08000100", @ANYBLOB="0800d354", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32=r4], 0x90}}, 0x0) 10:34:57 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000380), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000000c0)=ANY=[@ANYBLOB="90000000", @ANYRES16=r2, @ANYBLOB="01000000000000000000010000000c00050000000000006c00000c0002000000000000000000040007800c0008000000000000000000080001"], 0x90}}, 0x0) [ 3042.186402][T20499] block nbd0: Unsupported socket: shutdown callout must be supported. 10:34:57 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$nbd(&(0x7f0000000380), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000000c0)=ANY=[@ANYBLOB="90000000", @ANYRES16=r2, @ANYBLOB="01000000000000000000010000000c00050000000000000006000c0002000000000000000000040007800c0008000000000000000000080001"], 0x90}}, 0x0) [ 3042.279404][T20510] block nbd0: Unsupported socket: shutdown callout must be supported. [ 3042.353100][T20521] block nbd0: Unsupported socket: shutdown callout must be supported. [ 3042.675835][T20476] device gretap0 entered promiscuous mode [ 3042.683576][T20476] device gretap0 left promiscuous mode [ 3042.691496][T20476] ‘|‚ªu: renamed from gretap0 [ 3042.699221][T20476] ‘|‚ªu: default qdisc (pfifo_fast) fail, fallback to noqueue [ 3042.709082][T20476] A link change request failed with some changes committed already. Interface ‘|‚ªu may have been left with an inconsistent configuration, please check. [ 3042.767425][T20476] lo speed is unknown, defaulting to 1000 [ 3042.904181][T20476] device ‘|‚ªu entered promiscuous mode 10:34:58 executing program 5: unshare(0x40000000) mmap(&(0x7f0000000000/0xb36000)=nil, 0xb36000, 0x3, 0x8031, 0xffffffffffffffff, 0x0) unshare(0x0) r0 = socket$netlink(0x10, 0x3, 0x0) writev(r0, &(0x7f0000000080)=[{&(0x7f00000000c0)="390000001300090468fe0700000000000000ff3f04000000480100100000000004002b000a00010014a4ee1ee438d2fd000000000000007200", 0x39}], 0x1) r1 = socket$nl_route(0x10, 0x3, 0x0) sendmsg$netlink(r1, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000100)=[{&(0x7f00000001c0)=ANY=[@ANYBLOB="2800000013000100000000000000000008000000", @ANYRES32=r1, @ANYBLOB='\f\x00\x00\x00', @ANYRES32=0x0, @ANYBLOB="08000d002e14f9"], 0x28}], 0x1}, 0x0) writev(r0, &(0x7f0000000000)=[{&(0x7f0000000040)="3900000013001104680907024a00000f0000ff3f04000000290a001700000000040037000a00030014917c82aa75b9a64411f6a4ee1ee438d2", 0x39}], 0x1) 10:34:58 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000380), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000000c0)=ANY=[@ANYBLOB="90000000", @ANYRES16=r2, @ANYBLOB="01000000000000000000010000000c00050000000000000002000c0002000000000000000000040007800c0008000000000000000000080001"], 0x90}}, 0x0) 10:34:58 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000380), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000000c0)=ANY=[@ANYBLOB="90000000", @ANYRES16=r2, @ANYBLOB="01000000000000000000010000000c00050000000000007400000c0002000000000000000000040007800c0008000000000000000000080001"], 0x90}}, 0x0) 10:34:58 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000380), r0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000000)) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) r4 = socket$netlink(0x10, 0x3, 0x0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000002c0)={0x0, 0x6c00, &(0x7f0000000280)={&(0x7f00000000c0)=ANY=[@ANYBLOB="90000000", @ANYRES16=r2, @ANYBLOB="01000000000000000000010000000c00050000030000000000000c0002000000000000000000040007800c000800000000000000000008000100000000004400078008000100", @ANYRES32, @ANYBLOB="38000100", @ANYRES32=r3, @ANYBLOB="08000100", @ANYBLOB="0800d354", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32=r4], 0x90}}, 0x0) 10:34:58 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$nbd(&(0x7f0000000380), r0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000000)) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) r4 = socket$netlink(0x10, 0x3, 0x0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000000c0)=ANY=[@ANYBLOB="90000000", @ANYRES16=r2, @ANYBLOB="01000000000000000000010000000c00050000000000000000000c0002004800000000000000040007800c000800000000000000000008000100000000004400078008000100", @ANYRES32, @ANYBLOB="38000100", @ANYRES32=r3, @ANYBLOB="08000100", @ANYBLOB="0800d354", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32=r4], 0x90}}, 0x0) 10:34:58 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000380), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000000c0)=ANY=[@ANYBLOB="90000000", @ANYRES16=r2, @ANYBLOB="01000000000000000000010000000c00050000000000000007000c0002000000000000000000040007800c0008000000000000000000080001"], 0x90}}, 0x0) [ 3043.293446][T20558] block nbd0: Unsupported socket: shutdown callout must be supported. 10:34:58 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000380), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000000c0)=ANY=[@ANYBLOB="90000000", @ANYRES16=r2, @ANYBLOB="01000000000000000000010000000c00050000000000007a00000c0002000000000000000000040007800c0008000000000000000000080001"], 0x90}}, 0x0) [ 3043.359826][T20562] block nbd0: Unsupported socket: shutdown callout must be supported. [ 3043.396355][T20565] block nbd0: Unsupported socket: shutdown callout must be supported. 10:34:58 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000380), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000000c0)=ANY=[@ANYBLOB="90000000", @ANYRES16=r2, @ANYBLOB="01000000000000000000010000000c00050000000000000009000c0002000000000000000000040007800c0008000000000000000000080001"], 0x90}}, 0x0) 10:34:58 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000380), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000000c0)=ANY=[@ANYBLOB="90000000", @ANYRES16=r2, @ANYBLOB="01000000000000000000010000000c00050000000000000003000c0002000000000000000000040007800c0008000000000000000000080001"], 0x90}}, 0x0) 10:34:58 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000380), r0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000000)) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) r4 = socket$netlink(0x10, 0x3, 0x0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000000c0)=ANY=[@ANYBLOB="90000000", @ANYRES16=r2, @ANYBLOB="01000000000000000000010000000c00050000000000000000000c0002004c00000000000000040007800c000800000000000000000008000100000000004400078008000100", @ANYRES32, @ANYBLOB="38000100", @ANYRES32=r3, @ANYBLOB="08000100", @ANYBLOB="0800d354", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32=r4], 0x90}}, 0x0) [ 3043.501807][T20568] lo speed is unknown, defaulting to 1000 10:34:58 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$nbd(&(0x7f0000000380), r0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000000)) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) r4 = socket$netlink(0x10, 0x3, 0x0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000002c0)={0x0, 0x7400, &(0x7f0000000280)={&(0x7f00000000c0)=ANY=[@ANYBLOB="90000000", @ANYRES16=r2, @ANYBLOB="01000000000000000000010000000c00050000030000000000000c0002000000000000000000040007800c000800000000000000000008000100000000004400078008000100", @ANYRES32, @ANYBLOB="38000100", @ANYRES32=r3, @ANYBLOB="08000100", @ANYBLOB="0800d354", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32=r4], 0x90}}, 0x0) [ 3043.764885][T20595] nbd: nbd0 already in use [ 3043.797612][T20593] nbd: nbd0 already in use 10:34:58 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000380), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000000c0)=ANY=[@ANYBLOB="90000000", @ANYRES16=r2, @ANYBLOB="01000000000000000000010000000c0005000000000000f000000c0002000000000000000000040007800c0008000000000000000000080001"], 0x90}}, 0x0) [ 3043.827328][T20599] nbd: nbd0 already in use [ 3043.849850][T20602] nbd: nbd0 already in use [ 3043.874786][T20607] block nbd0: Unsupported socket: shutdown callout must be supported. [ 3044.269928][T20568] device gretap0 entered promiscuous mode [ 3044.288358][T20568] device gretap0 left promiscuous mode [ 3044.309840][T20568] ‘|‚ªu: renamed from gretap0 [ 3044.368949][T20568] ‘|‚ªu: default qdisc (pfifo_fast) fail, fallback to noqueue [ 3044.384440][T20568] A link change request failed with some changes committed already. Interface ‘|‚ªu may have been left with an inconsistent configuration, please check. [ 3044.456229][T20568] lo speed is unknown, defaulting to 1000 10:34:59 executing program 5: unshare(0x40000000) mmap(&(0x7f0000000000/0xb36000)=nil, 0xb36000, 0x3, 0x8031, 0xffffffffffffffff, 0x0) unshare(0x0) r0 = socket$netlink(0x10, 0x3, 0x0) writev(r0, &(0x7f0000000080)=[{&(0x7f00000000c0)="390000001300090468fe0700000000000000ff3f04000000480100100000000004002b000a00010014a4ee1ee438d2fd000000000000007200", 0x39}], 0x1) r1 = socket$nl_route(0x10, 0x3, 0x0) sendmsg$netlink(r1, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000100)=[{&(0x7f00000001c0)=ANY=[@ANYBLOB="2800000013000100000000000000000008000000", @ANYRES32=r1, @ANYBLOB='\f\x00\x00\x00', @ANYRES32=0x0, @ANYBLOB="08000d002e14f9"], 0x28}], 0x1}, 0x0) writev(r0, &(0x7f0000000000)=[{&(0x7f0000000040)="3900000013001104680907004c00000f0000ff3f04000000290a001700000000040037000a00030014917c82aa75b9a64411f6a4ee1ee438d2", 0x39}], 0x1) 10:34:59 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$nbd(&(0x7f0000000380), r0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000000)) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) r4 = socket$netlink(0x10, 0x3, 0x0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000002c0)={0x0, 0x7a00, &(0x7f0000000280)={&(0x7f00000000c0)=ANY=[@ANYBLOB="90000000", @ANYRES16=r2, @ANYBLOB="01000000000000000000010000000c00050000030000000000000c0002000000000000000000040007800c000800000000000000000008000100000000004400078008000100", @ANYRES32, @ANYBLOB="38000100", @ANYRES32=r3, @ANYBLOB="08000100", @ANYBLOB="0800d354", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32=r4], 0x90}}, 0x0) 10:34:59 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000380), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000000c0)=ANY=[@ANYBLOB="90000000", @ANYRES16=r2, @ANYBLOB="01000000000000000000010000000c00050000000000000004000c0002000000000000000000040007800c0008000000000000000000080001"], 0x90}}, 0x0) 10:34:59 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000380), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000000c0)=ANY=[@ANYBLOB="90000000", @ANYRES16=r2, @ANYBLOB="01000000000000000000010000000c0005000000000000000a000c0002000000000000000000040007800c0008000000000000000000080001"], 0x90}}, 0x0) 10:34:59 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000380), r0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000000)) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) r4 = socket$netlink(0x10, 0x3, 0x0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000000c0)=ANY=[@ANYBLOB="90000000", @ANYRES16=r2, @ANYBLOB="01000000000000000000010000000c00050000000000000000000c0002006000000000000000040007800c000800000000000000000008000100000000004400078008000100", @ANYRES32, @ANYBLOB="38000100", @ANYRES32=r3, @ANYBLOB="08000100", @ANYBLOB="0800d354", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32=r4], 0x90}}, 0x0) 10:34:59 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000380), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000000c0)=ANY=[@ANYBLOB="90000000", @ANYRES16=r2, @ANYBLOB="01000000000000000000010000000c00050000000000000003000c0002000000000000000000040007800c0008000000000000000000080001"], 0x90}}, 0x0) [ 3044.986560][T20648] nbd: nbd0 already in use [ 3045.014595][T20650] nbd: nbd0 already in use [ 3045.031514][T20649] nbd: nbd0 already in use [ 3045.058295][T20651] block nbd0: Unsupported socket: shutdown callout must be supported. 10:35:00 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$nbd(&(0x7f0000000380), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000000c0)=ANY=[@ANYBLOB="90000000", @ANYRES16=r2, @ANYBLOB="01000000000000000000010000000c0005000000000000000f000c0002000000000000000000040007800c0008000000000000000000080001"], 0x90}}, 0x0) [ 3045.118036][T20658] block nbd0: Unsupported socket: shutdown callout must be supported. 10:35:00 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000380), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000000c0)=ANY=[@ANYBLOB="90000000", @ANYRES16=r2, @ANYBLOB="01000000000000000000010000000c00050000000000000005000c0002000000000000000000040007800c0008000000000000000000080001"], 0x90}}, 0x0) 10:35:00 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$nbd(&(0x7f0000000380), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000000c0)=ANY=[@ANYBLOB="90000000", @ANYRES16=r2, @ANYBLOB="01000000000000000000010000000c00050000000000000005000c0002000000000000000000040007800c0008000000000000000000080001"], 0x90}}, 0x0) [ 3045.182290][T20654] lo speed is unknown, defaulting to 1000 [ 3045.207196][T20659] __nla_validate_parse: 68 callbacks suppressed [ 3045.207218][T20659] netlink: 8 bytes leftover after parsing attributes in process `syz-executor.1'. 10:35:00 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$nbd(&(0x7f0000000380), r0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000000)) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) r4 = socket$netlink(0x10, 0x3, 0x0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000000c0)=ANY=[@ANYBLOB="90000000", @ANYRES16=r2, @ANYBLOB="01000000000000000000010000000c00050000000000000000000c0002006800000000000000040007800c000800000000000000000008000100000000004400078008000100", @ANYRES32, @ANYBLOB="38000100", @ANYRES32=r3, @ANYBLOB="08000100", @ANYBLOB="0800d354", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32=r4], 0x90}}, 0x0) [ 3045.293094][T20659] netlink: 4 bytes leftover after parsing attributes in process `syz-executor.1'. [ 3045.376389][T20659] netlink: 52 bytes leftover after parsing attributes in process `syz-executor.1'. 10:35:00 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000380), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000000c0)=ANY=[@ANYBLOB="90000000", @ANYRES16=r2, @ANYBLOB="01000000000000000000010000000c0005000000000000001f000c0002000000000000000000040007800c0008000000000000000000080001"], 0x90}}, 0x0) [ 3045.533020][T20688] netlink: 76 bytes leftover after parsing attributes in process `syz-executor.0'. 10:35:00 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000380), r0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000000)) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) r4 = socket$netlink(0x10, 0x3, 0x0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000002c0)={0x0, 0xf000, &(0x7f0000000280)={&(0x7f00000000c0)=ANY=[@ANYBLOB="90000000", @ANYRES16=r2, @ANYBLOB="01000000000000000000010000000c00050000030000000000000c0002000000000000000000040007800c000800000000000000000008000100000000004400078008000100", @ANYRES32, @ANYBLOB="38000100", @ANYRES32=r3, @ANYBLOB="08000100", @ANYBLOB="0800d354", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32=r4], 0x90}}, 0x0) [ 3045.652916][T20691] netlink: 8 bytes leftover after parsing attributes in process `syz-executor.4'. [ 3045.680147][T20691] netlink: 4 bytes leftover after parsing attributes in process `syz-executor.4'. [ 3045.713232][T20691] netlink: 4 bytes leftover after parsing attributes in process `syz-executor.4'. [ 3045.751575][T20691] block nbd0: Unsupported socket: shutdown callout must be supported. [ 3045.816633][T20696] netlink: 8 bytes leftover after parsing attributes in process `syz-executor.1'. [ 3045.857739][T20696] netlink: 4 bytes leftover after parsing attributes in process `syz-executor.1'. [ 3045.915196][T20696] netlink: 4 bytes leftover after parsing attributes in process `syz-executor.1'. [ 3045.924448][T20696] block nbd0: Unsupported socket: shutdown callout must be supported. [ 3046.041204][T20654] device gretap0 entered promiscuous mode [ 3046.081586][T20654] device gretap0 left promiscuous mode [ 3046.111021][T20654] ‘|‚ªu: renamed from gretap0 [ 3046.153253][T20654] ‘|‚ªu: default qdisc (pfifo_fast) fail, fallback to noqueue [ 3046.167450][T20654] A link change request failed with some changes committed already. Interface ‘|‚ªu may have been left with an inconsistent configuration, please check. [ 3046.237029][T20654] lo speed is unknown, defaulting to 1000 [ 3046.764780][T20729] device ‘|‚ªu left promiscuous mode [ 3046.785493][T20729] ‘|‚ªu: refused to change device tx_queue_len 10:35:02 executing program 5: unshare(0x40000000) mmap(&(0x7f0000000000/0xb36000)=nil, 0xb36000, 0x3, 0x8031, 0xffffffffffffffff, 0x0) unshare(0x0) r0 = socket$netlink(0x10, 0x3, 0x0) writev(r0, &(0x7f0000000080)=[{&(0x7f00000000c0)="390000001300090468fe0700000000000000ff3f04000000480100100000000004002b000a00010014a4ee1ee438d2fd000000000000007200", 0x39}], 0x1) r1 = socket$nl_route(0x10, 0x3, 0x0) sendmsg$netlink(r1, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000100)=[{&(0x7f00000001c0)=ANY=[@ANYBLOB="2800000013000100000000000000000008000000", @ANYRES32=r1, @ANYBLOB='\f\x00\x00\x00', @ANYRES32=0x0, @ANYBLOB="08000d002e14f9"], 0x28}], 0x1}, 0x0) writev(r0, &(0x7f0000000000)=[{&(0x7f0000000040)="3900000013001104680907025100000f0000ff3f04000000290a001700000000040037000a00030014917c82aa75b9a64411f6a4ee1ee438d2", 0x39}], 0x1) 10:35:02 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000380), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000000c0)=ANY=[@ANYBLOB="90000000", @ANYRES16=r2, @ANYBLOB="01000000000000000000010000000c00050000000000000006000c0002000000000000000000040007800c0008000000000000000000080001"], 0x90}}, 0x0) 10:35:02 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000380), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000000c0)=ANY=[@ANYBLOB="90000000", @ANYRES16=r2, @ANYBLOB="01000000000000000000010000000c00050000000000000006000c0002000000000000000000040007800c0008000000000000000000080001"], 0x90}}, 0x0) 10:35:02 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000380), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000000c0)=ANY=[@ANYBLOB="90000000", @ANYRES16=r2, @ANYBLOB="01000000000000000000010000000c00050000000000000020000c0002000000000000000000040007800c0008000000000000000000080001"], 0x90}}, 0x0) 10:35:02 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000380), r0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000000)) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) r4 = socket$netlink(0x10, 0x3, 0x0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000000c0)=ANY=[@ANYBLOB="90000000", @ANYRES16=r2, @ANYBLOB="01000000000000000000010000000c00050000000000000000000c0002006c00000000000000040007800c000800000000000000000008000100000000004400078008000100", @ANYRES32, @ANYBLOB="38000100", @ANYRES32=r3, @ANYBLOB="08000100", @ANYBLOB="0800d354", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32=r4], 0x90}}, 0x0) 10:35:02 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$nbd(&(0x7f0000000380), r0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000000)) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) r4 = socket$netlink(0x10, 0x3, 0x0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000002c0)={0x0, 0x30000, &(0x7f0000000280)={&(0x7f00000000c0)=ANY=[@ANYBLOB="90000000", @ANYRES16=r2, @ANYBLOB="01000000000000000000010000000c00050000030000000000000c0002000000000000000000040007800c000800000000000000000008000100000000004400078008000100", @ANYRES32, @ANYBLOB="38000100", @ANYRES32=r3, @ANYBLOB="08000100", @ANYBLOB="0800d354", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32=r4], 0x90}}, 0x0) [ 3047.208573][T20737] nbd: nbd0 already in use [ 3047.248741][T20739] block nbd0: Unsupported socket: shutdown callout must be supported. [ 3047.300536][T20744] lo speed is unknown, defaulting to 1000 [ 3047.316464][T20742] block nbd0: Unsupported socket: shutdown callout must be supported. 10:35:02 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000380), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000000c0)=ANY=[@ANYBLOB="90000000", @ANYRES16=r2, @ANYBLOB="01000000000000000000010000000c0005000000000000003f000c0002000000000000000000040007800c0008000000000000000000080001"], 0x90}}, 0x0) [ 3047.369526][T20753] block nbd0: Unsupported socket: shutdown callout must be supported. 10:35:02 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000380), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000000c0)=ANY=[@ANYBLOB="90000000", @ANYRES16=r2, @ANYBLOB="01000000000000000000010000000c00050000000000000007000c0002000000000000000000040007800c0008000000000000000000080001"], 0x90}}, 0x0) 10:35:02 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000380), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000000c0)=ANY=[@ANYBLOB="90000000", @ANYRES16=r2, @ANYBLOB="01000000000000000000010000000c00050000000000000007000c0002000000000000000000040007800c0008000000000000000000080001"], 0x90}}, 0x0) 10:35:02 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000380), r0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000000)) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) r4 = socket$netlink(0x10, 0x3, 0x0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000002c0)={0x0, 0x34000, &(0x7f0000000280)={&(0x7f00000000c0)=ANY=[@ANYBLOB="90000000", @ANYRES16=r2, @ANYBLOB="01000000000000000000010000000c00050000030000000000000c0002000000000000000000040007800c000800000000000000000008000100000000004400078008000100", @ANYRES32, @ANYBLOB="38000100", @ANYRES32=r3, @ANYBLOB="08000100", @ANYBLOB="0800d354", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32=r4], 0x90}}, 0x0) 10:35:02 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$nbd(&(0x7f0000000380), r0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000000)) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) r4 = socket$netlink(0x10, 0x3, 0x0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000000c0)=ANY=[@ANYBLOB="90000000", @ANYRES16=r2, @ANYBLOB="01000000000000000000010000000c00050000000000000000000c0002007400000000000000040007800c000800000000000000000008000100000000004400078008000100", @ANYRES32, @ANYBLOB="38000100", @ANYRES32=r3, @ANYBLOB="08000100", @ANYBLOB="0800d354", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32=r4], 0x90}}, 0x0) [ 3047.644265][T20773] nbd: nbd0 already in use 10:35:02 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000380), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000000c0)=ANY=[@ANYBLOB="90000000", @ANYRES16=r2, @ANYBLOB="01000000000000000000010000000c00050000000000000048000c0002000000000000000000040007800c0008000000000000000000080001"], 0x90}}, 0x0) [ 3047.826579][T20785] block nbd0: Unsupported socket: shutdown callout must be supported. [ 3048.098915][T20793] block nbd0: Unsupported socket: shutdown callout must be supported. [ 3048.245345][T20744] device gretap0 entered promiscuous mode [ 3048.252264][T20744] device gretap0 left promiscuous mode [ 3048.280186][T20744] ‘|‚ªu: renamed from gretap0 [ 3048.317275][T20744] ‘|‚ªu: default qdisc (pfifo_fast) fail, fallback to noqueue [ 3048.339637][T20744] A link change request failed with some changes committed already. Interface ‘|‚ªu may have been left with an inconsistent configuration, please check. [ 3048.405816][T20744] lo speed is unknown, defaulting to 1000 [ 3048.482834][T20795] device ‘|‚ªu entered promiscuous mode [ 3048.857081][T20820] device ‘|‚ªu left promiscuous mode [ 3048.862933][T20820] ‘|‚ªu: refused to change device tx_queue_len 10:35:04 executing program 5: unshare(0x40000000) mmap(&(0x7f0000000000/0xb36000)=nil, 0xb36000, 0x3, 0x8031, 0xffffffffffffffff, 0x0) unshare(0x0) r0 = socket$netlink(0x10, 0x3, 0x0) writev(r0, &(0x7f0000000080)=[{&(0x7f00000000c0)="390000001300090468fe0700000000000000ff3f04000000480100100000000004002b000a00010014a4ee1ee438d2fd000000000000007200", 0x39}], 0x1) r1 = socket$nl_route(0x10, 0x3, 0x0) sendmsg$netlink(r1, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000100)=[{&(0x7f00000001c0)=ANY=[@ANYBLOB="2800000013000100000000000000000008000000", @ANYRES32=r1, @ANYBLOB='\f\x00\x00\x00', @ANYRES32=0x0, @ANYBLOB="08000d002e14f9"], 0x28}], 0x1}, 0x0) writev(r0, &(0x7f0000000000)=[{&(0x7f0000000040)="3900000013001104680907015500000f0000ff3f04000000290a001700000000040037000a00030014917c82aa75b9a64411f6a4ee1ee438d2", 0x39}], 0x1) 10:35:04 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$nbd(&(0x7f0000000380), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000000c0)=ANY=[@ANYBLOB="90000000", @ANYRES16=r2, @ANYBLOB="01000000000000000000010000000c00050000000000000009000c0002000000000000000000040007800c0008000000000000000000080001"], 0x90}}, 0x0) 10:35:04 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000380), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000000c0)=ANY=[@ANYBLOB="90000000", @ANYRES16=r2, @ANYBLOB="01000000000000000000010000000c00050000000000000009000c0002000000000000000000040007800c0008000000000000000000080001"], 0x90}}, 0x0) 10:35:04 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$nbd(&(0x7f0000000380), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000000c0)=ANY=[@ANYBLOB="90000000", @ANYRES16=r2, @ANYBLOB="01000000000000000000010000000c0005000000000000004c000c0002000000000000000000040007800c0008000000000000000000080001"], 0x90}}, 0x0) 10:35:04 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$nbd(&(0x7f0000000380), r0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000000)) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) r4 = socket$netlink(0x10, 0x3, 0x0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000000c0)=ANY=[@ANYBLOB="90000000", @ANYRES16=r2, @ANYBLOB="01000000000000000000010000000c00050000000000000000000c0002007a00000000000000040007800c000800000000000000000008000100000000004400078008000100", @ANYRES32, @ANYBLOB="38000100", @ANYRES32=r3, @ANYBLOB="08000100", @ANYBLOB="0800d354", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32=r4], 0x90}}, 0x0) 10:35:04 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000380), r0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000000)) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) r4 = socket$netlink(0x10, 0x3, 0x0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000002c0)={0x0, 0x400300, &(0x7f0000000280)={&(0x7f00000000c0)=ANY=[@ANYBLOB="90000000", @ANYRES16=r2, @ANYBLOB="01000000000000000000010000000c00050000030000000000000c0002000000000000000000040007800c000800000000000000000008000100000000004400078008000100", @ANYRES32, @ANYBLOB="38000100", @ANYRES32=r3, @ANYBLOB="08000100", @ANYBLOB="0800d354", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32=r4], 0x90}}, 0x0) [ 3049.111415][T20826] block nbd0: Unsupported socket: shutdown callout must be supported. [ 3049.168650][T20829] block nbd0: Unsupported socket: shutdown callout must be supported. [ 3049.200863][T20833] block nbd0: Unsupported socket: shutdown callout must be supported. [ 3049.234028][T20838] block nbd0: Unsupported socket: shutdown callout must be supported. 10:35:04 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000380), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000000c0)=ANY=[@ANYBLOB="90000000", @ANYRES16=r2, @ANYBLOB="01000000000000000000010000000c0005000000000000000a000c0002000000000000000000040007800c0008000000000000000000080001"], 0x90}}, 0x0) 10:35:04 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$nbd(&(0x7f0000000380), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000000c0)=ANY=[@ANYBLOB="90000000", @ANYRES16=r2, @ANYBLOB="01000000000000000000010000000c00050000000000000060000c0002000000000000000000040007800c0008000000000000000000080001"], 0x90}}, 0x0) 10:35:04 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$nbd(&(0x7f0000000380), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000000c0)=ANY=[@ANYBLOB="90000000", @ANYRES16=r2, @ANYBLOB="01000000000000000000010000000c0005000000000000000a000c0002000000000000000000040007800c0008000000000000000000080001"], 0x90}}, 0x0) 10:35:04 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$nbd(&(0x7f0000000380), r0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000000)) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) r4 = socket$netlink(0x10, 0x3, 0x0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000002c0)={0x0, 0xf0ffff, &(0x7f0000000280)={&(0x7f00000000c0)=ANY=[@ANYBLOB="90000000", @ANYRES16=r2, @ANYBLOB="01000000000000000000010000000c00050000030000000000000c0002000000000000000000040007800c000800000000000000000008000100000000004400078008000100", @ANYRES32, @ANYBLOB="38000100", @ANYRES32=r3, @ANYBLOB="08000100", @ANYBLOB="0800d354", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32=r4], 0x90}}, 0x0) [ 3049.353941][T20837] lo speed is unknown, defaulting to 1000 10:35:04 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000380), r0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000000)) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) r4 = socket$netlink(0x10, 0x3, 0x0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000000c0)=ANY=[@ANYBLOB="90000000", @ANYRES16=r2, @ANYBLOB="01000000000000000000010000000c00050000000000000000000c000200f000000000000000040007800c000800000000000000000008000100000000004400078008000100", @ANYRES32, @ANYBLOB="38000100", @ANYRES32=r3, @ANYBLOB="08000100", @ANYBLOB="0800d354", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32=r4], 0x90}}, 0x0) [ 3049.529450][T20850] nbd: nbd0 already in use [ 3049.552113][T20851] nbd: nbd0 already in use [ 3049.590806][T20852] nbd: nbd0 already in use 10:35:04 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$nbd(&(0x7f0000000380), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000000c0)=ANY=[@ANYBLOB="90000000", @ANYRES16=r2, @ANYBLOB="01000000000000000000010000000c0005000000000000000f000c0002000000000000000000040007800c0008000000000000000000080001"], 0x90}}, 0x0) [ 3049.639847][T20858] block nbd0: Unsupported socket: shutdown callout must be supported. [ 3049.712261][T20865] block nbd0: Unsupported socket: shutdown callout must be supported. [ 3049.791126][T20878] block nbd0: Unsupported socket: shutdown callout must be supported. [ 3049.848534][T20880] block nbd0: Unsupported socket: shutdown callout must be supported. [ 3050.130816][T20837] device gretap0 entered promiscuous mode [ 3050.137834][T20837] device gretap0 left promiscuous mode [ 3050.191074][T20837] ‘|‚ªu: renamed from gretap0 [ 3050.208419][T20837] ‘|‚ªu: default qdisc (pfifo_fast) fail, fallback to noqueue [ 3050.232600][T20837] A link change request failed with some changes committed already. Interface ‘|‚ªu may have been left with an inconsistent configuration, please check. [ 3050.349328][T20837] lo speed is unknown, defaulting to 1000 [ 3050.373050][T20887] __nla_validate_parse: 73 callbacks suppressed [ 3050.373071][T20887] netlink: 9 bytes leftover after parsing attributes in process `syz-executor.5'. [ 3050.424039][T20887] device ‘|‚ªu entered promiscuous mode 10:35:06 executing program 5: unshare(0x40000000) mmap(&(0x7f0000000000/0xb36000)=nil, 0xb36000, 0x3, 0x8031, 0xffffffffffffffff, 0x0) unshare(0x0) r0 = socket$netlink(0x10, 0x3, 0x0) writev(r0, &(0x7f0000000080)=[{&(0x7f00000000c0)="390000001300090468fe0700000000000000ff3f04000000480100100000000004002b000a00010014a4ee1ee438d2fd000000000000007200", 0x39}], 0x1) r1 = socket$nl_route(0x10, 0x3, 0x0) sendmsg$netlink(r1, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000100)=[{&(0x7f00000001c0)=ANY=[@ANYBLOB="2800000013000100000000000000000008000000", @ANYRES32=r1, @ANYBLOB='\f\x00\x00\x00', @ANYRES32=0x0, @ANYBLOB="08000d002e14f9"], 0x28}], 0x1}, 0x0) writev(r0, &(0x7f0000000000)=[{&(0x7f0000000040)="3900000013001104680907035600000f0000ff3f04000000290a001700000000040037000a00030014917c82aa75b9a64411f6a4ee1ee438d2", 0x39}], 0x1) 10:35:06 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000380), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000000c0)=ANY=[@ANYBLOB="90000000", @ANYRES16=r2, @ANYBLOB="01000000000000000000010000000c00050000000000000068000c0002000000000000000000040007800c0008000000000000000000080001"], 0x90}}, 0x0) 10:35:06 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000380), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000000c0)=ANY=[@ANYBLOB="90000000", @ANYRES16=r2, @ANYBLOB="01000000000000000000010000000c0005000000000000000f000c0002000000000000000000040007800c0008000000000000000000080001"], 0x90}}, 0x0) 10:35:06 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000380), r0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000000)) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) r4 = socket$netlink(0x10, 0x3, 0x0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000002c0)={0x0, 0x1000000, &(0x7f0000000280)={&(0x7f00000000c0)=ANY=[@ANYBLOB="90000000", @ANYRES16=r2, @ANYBLOB="01000000000000000000010000000c00050000030000000000000c0002000000000000000000040007800c000800000000000000000008000100000000004400078008000100", @ANYRES32, @ANYBLOB="38000100", @ANYRES32=r3, @ANYBLOB="08000100", @ANYBLOB="0800d354", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32=r4], 0x90}}, 0x0) 10:35:06 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$nbd(&(0x7f0000000380), r0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000000)) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) r4 = socket$netlink(0x10, 0x3, 0x0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000000c0)=ANY=[@ANYBLOB="90000000", @ANYRES16=r2, @ANYBLOB="01000000000000000000010000000c00050000000000000000000c0002000003000000000000040007800c000800000000000000000008000100000000004400078008000100", @ANYRES32, @ANYBLOB="38000100", @ANYRES32=r3, @ANYBLOB="08000100", @ANYBLOB="0800d354", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32=r4], 0x90}}, 0x0) 10:35:06 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000380), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000000c0)=ANY=[@ANYBLOB="90000000", @ANYRES16=r2, @ANYBLOB="01000000000000000000010000000c0005000000000000001f000c0002000000000000000000040007800c0008000000000000000000080001"], 0x90}}, 0x0) [ 3051.146067][T20925] netlink: 8 bytes leftover after parsing attributes in process `syz-executor.1'. [ 3051.178742][T20925] netlink: 4 bytes leftover after parsing attributes in process `syz-executor.1'. [ 3051.199078][T20925] netlink: 4 bytes leftover after parsing attributes in process `syz-executor.1'. [ 3051.225847][T20925] block nbd0: Unsupported socket: shutdown callout must be supported. [ 3051.265713][T20924] netlink: 76 bytes leftover after parsing attributes in process `syz-executor.2'. [ 3051.281404][T20929] lo speed is unknown, defaulting to 1000 [ 3051.322419][T20937] netlink: 8 bytes leftover after parsing attributes in process `syz-executor.1'. [ 3051.342386][T20937] netlink: 4 bytes leftover after parsing attributes in process `syz-executor.1'. [ 3051.406603][T20937] netlink: 4 bytes leftover after parsing attributes in process `syz-executor.1'. [ 3051.439344][T20930] netlink: 8 bytes leftover after parsing attributes in process `syz-executor.4'. [ 3051.463013][T20930] netlink: 4 bytes leftover after parsing attributes in process `syz-executor.4'. 10:35:06 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000380), r0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000000)) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) r4 = socket$netlink(0x10, 0x3, 0x0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000002c0)={0x0, 0x2000000, &(0x7f0000000280)={&(0x7f00000000c0)=ANY=[@ANYBLOB="90000000", @ANYRES16=r2, @ANYBLOB="01000000000000000000010000000c00050000030000000000000c0002000000000000000000040007800c000800000000000000000008000100000000004400078008000100", @ANYRES32, @ANYBLOB="38000100", @ANYRES32=r3, @ANYBLOB="08000100", @ANYBLOB="0800d354", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32=r4], 0x90}}, 0x0) 10:35:06 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000380), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000000c0)=ANY=[@ANYBLOB="90000000", @ANYRES16=r2, @ANYBLOB="01000000000000000000010000000c0005000000000000001f000c0002000000000000000000040007800c0008000000000000000000080001"], 0x90}}, 0x0) 10:35:06 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$nbd(&(0x7f0000000380), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000000c0)=ANY=[@ANYBLOB="90000000", @ANYRES16=r2, @ANYBLOB="01000000000000000000010000000c0005000000000000006c000c0002000000000000000000040007800c0008000000000000000000080001"], 0x90}}, 0x0) 10:35:06 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$nbd(&(0x7f0000000380), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000000c0)=ANY=[@ANYBLOB="90000000", @ANYRES16=r2, @ANYBLOB="01000000000000000000010000000c00050000000000000020000c0002000000000000000000040007800c0008000000000000000000080001"], 0x90}}, 0x0) 10:35:06 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$nbd(&(0x7f0000000380), r0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000000)) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) r4 = socket$netlink(0x10, 0x3, 0x0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000000c0)=ANY=[@ANYBLOB="90000000", @ANYRES16=r2, @ANYBLOB="01000000000000000000010000000c00050000000000000000000c0002fffff0000000000000040007800c000800000000000000000008000100000000004400078008000100", @ANYRES32, @ANYBLOB="38000100", @ANYRES32=r3, @ANYBLOB="08000100", @ANYBLOB="0800d354", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32=r4], 0x90}}, 0x0) [ 3051.810730][T20963] block nbd0: Unsupported socket: shutdown callout must be supported. [ 3051.903019][T20971] block nbd0: Unsupported socket: shutdown callout must be supported. 10:35:07 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000380), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000000c0)=ANY=[@ANYBLOB="90000000", @ANYRES16=r2, @ANYBLOB="01000000000000000000010000000c0005000000000000003f000c0002000000000000000000040007800c0008000000000000000000080001"], 0x90}}, 0x0) [ 3051.978792][T20973] nbd: must specify a size in bytes for the device [ 3052.191563][T20929] device gretap0 entered promiscuous mode [ 3052.215673][T20929] device gretap0 left promiscuous mode [ 3052.228509][T20929] ‘|‚ªu: renamed from gretap0 [ 3052.243353][T20929] ‘|‚ªu: default qdisc (pfifo_fast) fail, fallback to noqueue [ 3052.275498][T20929] A link change request failed with some changes committed already. Interface ‘|‚ªu may have been left with an inconsistent configuration, please check. [ 3052.344975][T20929] lo speed is unknown, defaulting to 1000 [ 3052.846140][T21007] device ‘|‚ªu left promiscuous mode [ 3052.864285][T21007] ‘|‚ªu: refused to change device tx_queue_len 10:35:08 executing program 5: unshare(0x40000000) mmap(&(0x7f0000000000/0xb36000)=nil, 0xb36000, 0x3, 0x8031, 0xffffffffffffffff, 0x0) unshare(0x0) r0 = socket$netlink(0x10, 0x3, 0x0) writev(r0, &(0x7f0000000080)=[{&(0x7f00000000c0)="390000001300090468fe0700000000000000ff3f04000000480100100000000004002b000a00010014a4ee1ee438d2fd000000000000007200", 0x39}], 0x1) r1 = socket$nl_route(0x10, 0x3, 0x0) sendmsg$netlink(r1, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000100)=[{&(0x7f00000001c0)=ANY=[@ANYBLOB="2800000013000100000000000000000008000000", @ANYRES32=r1, @ANYBLOB='\f\x00\x00\x00', @ANYRES32=0x0, @ANYBLOB="08000d002e14f9"], 0x28}], 0x1}, 0x0) writev(r0, &(0x7f0000000000)=[{&(0x7f0000000040)="3900000013001104680907035c00000f0000ff3f04000000290a001700000000040037000a00030014917c82aa75b9a64411f6a4ee1ee438d2", 0x39}], 0x1) 10:35:08 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$nbd(&(0x7f0000000380), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000000c0)=ANY=[@ANYBLOB="90000000", @ANYRES16=r2, @ANYBLOB="01000000000000000000010000000c00050000000000000074000c0002000000000000000000040007800c0008000000000000000000080001"], 0x90}}, 0x0) 10:35:08 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000380), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000000c0)=ANY=[@ANYBLOB="90000000", @ANYRES16=r2, @ANYBLOB="01000000000000000000010000000c00050000000000000020000c0002000000000000000000040007800c0008000000000000000000080001"], 0x90}}, 0x0) 10:35:08 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$nbd(&(0x7f0000000380), r0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000000)) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) r4 = socket$netlink(0x10, 0x3, 0x0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000002c0)={0x0, 0x3000000, &(0x7f0000000280)={&(0x7f00000000c0)=ANY=[@ANYBLOB="90000000", @ANYRES16=r2, @ANYBLOB="01000000000000000000010000000c00050000030000000000000c0002000000000000000000040007800c000800000000000000000008000100000000004400078008000100", @ANYRES32, @ANYBLOB="38000100", @ANYRES32=r3, @ANYBLOB="08000100", @ANYBLOB="0800d354", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32=r4], 0x90}}, 0x0) 10:35:08 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000380), r0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000000)) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) r4 = socket$netlink(0x10, 0x3, 0x0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000000c0)=ANY=[@ANYBLOB="90000000", @ANYRES16=r2, @ANYBLOB="01000000000000000000010000000c00050000000000000000000c0002000000010000000000040007800c000800000000000000000008000100000000004400078008000100", @ANYRES32, @ANYBLOB="38000100", @ANYRES32=r3, @ANYBLOB="08000100", @ANYBLOB="0800d354", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32=r4], 0x90}}, 0x0) 10:35:08 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$nbd(&(0x7f0000000380), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000000c0)=ANY=[@ANYBLOB="90000000", @ANYRES16=r2, @ANYBLOB="01000000000000000000010000000c00050000000000000048000c0002000000000000000000040007800c0008000000000000000000080001"], 0x90}}, 0x0) [ 3053.311596][T21015] block nbd0: Unsupported socket: shutdown callout must be supported. [ 3053.342271][T21018] block nbd0: Unsupported socket: shutdown callout must be supported. 10:35:08 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$nbd(&(0x7f0000000380), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000000c0)=ANY=[@ANYBLOB="90000000", @ANYRES16=r2, @ANYBLOB="01000000000000000000010000000c0005000000000000004c000c0002000000000000000000040007800c0008000000000000000000080001"], 0x90}}, 0x0) [ 3053.404267][T21025] block nbd0: Unsupported socket: shutdown callout must be supported. 10:35:08 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000380), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000000c0)=ANY=[@ANYBLOB="90000000", @ANYRES16=r2, @ANYBLOB="01000000000000000000010000000c0005000000000000003f000c0002000000000000000000040007800c0008000000000000000000080001"], 0x90}}, 0x0) [ 3053.507729][T21027] lo speed is unknown, defaulting to 1000 10:35:08 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$nbd(&(0x7f0000000380), r0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000000)) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) r4 = socket$netlink(0x10, 0x3, 0x0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000000c0)=ANY=[@ANYBLOB="90000000", @ANYRES16=r2, @ANYBLOB="01000000000000000000010000000c00050000000000000000000c0002000000020000000000040007800c000800000000000000000008000100000000004400078008000100", @ANYRES32, @ANYBLOB="38000100", @ANYRES32=r3, @ANYBLOB="08000100", @ANYBLOB="0800d354", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32=r4], 0x90}}, 0x0) 10:35:08 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000380), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000000c0)=ANY=[@ANYBLOB="90000000", @ANYRES16=r2, @ANYBLOB="01000000000000000000010000000c0005000000000000007a000c0002000000000000000000040007800c0008000000000000000000080001"], 0x90}}, 0x0) 10:35:08 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000380), r0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000000)) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) r4 = socket$netlink(0x10, 0x3, 0x0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000002c0)={0x0, 0x4000000, &(0x7f0000000280)={&(0x7f00000000c0)=ANY=[@ANYBLOB="90000000", @ANYRES16=r2, @ANYBLOB="01000000000000000000010000000c00050000030000000000000c0002000000000000000000040007800c000800000000000000000008000100000000004400078008000100", @ANYRES32, @ANYBLOB="38000100", @ANYRES32=r3, @ANYBLOB="08000100", @ANYBLOB="0800d354", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32=r4], 0x90}}, 0x0) [ 3053.748353][T21055] nbd: nbd0 already in use [ 3053.816452][T21059] block nbd0: Unsupported socket: shutdown callout must be supported. 10:35:09 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$nbd(&(0x7f0000000380), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000000c0)=ANY=[@ANYBLOB="90000000", @ANYRES16=r2, @ANYBLOB="01000000000000000000010000000c00050000000000000060000c0002000000000000000000040007800c0008000000000000000000080001"], 0x90}}, 0x0) [ 3053.909522][T21064] block nbd0: Unsupported socket: shutdown callout must be supported. [ 3053.956124][T21065] block nbd0: Unsupported socket: shutdown callout must be supported. [ 3054.065661][T21070] block nbd0: Unsupported socket: shutdown callout must be supported. [ 3054.396243][T21027] device gretap0 entered promiscuous mode [ 3054.414119][T21027] device gretap0 left promiscuous mode [ 3054.433579][T21027] ‘|‚ªu: renamed from gretap0 [ 3054.454878][T21027] ‘|‚ªu: default qdisc (pfifo_fast) fail, fallback to noqueue [ 3054.464052][T21027] A link change request failed with some changes committed already. Interface ‘|‚ªu may have been left with an inconsistent configuration, please check. [ 3054.530432][T21027] lo speed is unknown, defaulting to 1000 [ 3054.686280][T21027] device ‘|‚ªu entered promiscuous mode 10:35:10 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$nbd(&(0x7f0000000380), r0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000000)) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) r4 = socket$netlink(0x10, 0x3, 0x0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000000c0)=ANY=[@ANYBLOB="90000000", @ANYRES16=r2, @ANYBLOB="01000000000000000000010000000c00050000000000000000000c0002000000030000000000040007800c000800000000000000000008000100000000004400078008000100", @ANYRES32, @ANYBLOB="38000100", @ANYRES32=r3, @ANYBLOB="08000100", @ANYBLOB="0800d354", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32=r4], 0x90}}, 0x0) 10:35:10 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000380), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000000c0)=ANY=[@ANYBLOB="90000000", @ANYRES16=r2, @ANYBLOB="01000000000000000000010000000c00050000000000000048000c0002000000000000000000040007800c0008000000000000000000080001"], 0x90}}, 0x0) 10:35:10 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000380), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000000c0)=ANY=[@ANYBLOB="90000000", @ANYRES16=r2, @ANYBLOB="01000000000000000000010000000c000500000000000000f0000c0002000000000000000000040007800c0008000000000000000000080001"], 0x90}}, 0x0) 10:35:10 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000380), r0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000000)) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) r4 = socket$netlink(0x10, 0x3, 0x0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000002c0)={0x0, 0x5000000, &(0x7f0000000280)={&(0x7f00000000c0)=ANY=[@ANYBLOB="90000000", @ANYRES16=r2, @ANYBLOB="01000000000000000000010000000c00050000030000000000000c0002000000000000000000040007800c000800000000000000000008000100000000004400078008000100", @ANYRES32, @ANYBLOB="38000100", @ANYRES32=r3, @ANYBLOB="08000100", @ANYBLOB="0800d354", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32=r4], 0x90}}, 0x0) 10:35:10 executing program 5: unshare(0x40000000) mmap(&(0x7f0000000000/0xb36000)=nil, 0xb36000, 0x3, 0x8031, 0xffffffffffffffff, 0x0) unshare(0x0) r0 = socket$netlink(0x10, 0x3, 0x0) writev(r0, &(0x7f0000000080)=[{&(0x7f00000000c0)="390000001300090468fe0700000000000000ff3f04000000480100100000000004002b000a00010014a4ee1ee438d2fd000000000000007200", 0x39}], 0x1) r1 = socket$nl_route(0x10, 0x3, 0x0) sendmsg$netlink(r1, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000100)=[{&(0x7f00000001c0)=ANY=[@ANYBLOB="2800000013000100000000000000000008000000", @ANYRES32=r1, @ANYBLOB='\f\x00\x00\x00', @ANYRES32=0x0, @ANYBLOB="08000d002e14f9"], 0x28}], 0x1}, 0x0) writev(r0, &(0x7f0000000000)=[{&(0x7f0000000040)="3900000013001104680907025d00000f0000ff3f04000000290a001700000000040037000a00030014917c82aa75b9a64411f6a4ee1ee438d2", 0x39}], 0x1) 10:35:10 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000380), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000000c0)=ANY=[@ANYBLOB="90000000", @ANYRES16=r2, @ANYBLOB="01000000000000000000010000000c00050000000000000068000c0002000000000000000000040007800c0008000000000000000000080001"], 0x90}}, 0x0) [ 3055.100058][T21108] block nbd0: Unsupported socket: shutdown callout must be supported. [ 3055.155429][T21110] block nbd0: Unsupported socket: shutdown callout must be supported. [ 3055.204701][T21113] block nbd0: Unsupported socket: shutdown callout must be supported. [ 3055.217853][T21115] lo speed is unknown, defaulting to 1000 [ 3055.270221][T21121] block nbd0: Unsupported socket: shutdown callout must be supported. 10:35:10 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000380), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000000c0)=ANY=[@ANYBLOB="90000000", @ANYRES16=r2, @ANYBLOB="01000000000000000000010000000c0005000000000000000000300002000000000000000000040007800c0008000000000000000000080001"], 0x90}}, 0x0) 10:35:10 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000380), r0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000000)) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) r4 = socket$netlink(0x10, 0x3, 0x0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000000c0)=ANY=[@ANYBLOB="90000000", @ANYRES16=r2, @ANYBLOB="01000000000000000000010000000c00050000000000000000000c0002000000040000000000040007800c000800000000000000000008000100000000004400078008000100", @ANYRES32, @ANYBLOB="38000100", @ANYRES32=r3, @ANYBLOB="08000100", @ANYBLOB="0800d354", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32=r4], 0x90}}, 0x0) 10:35:10 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$nbd(&(0x7f0000000380), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000000c0)=ANY=[@ANYBLOB="90000000", @ANYRES16=r2, @ANYBLOB="01000000000000000000010000000c0005000000000000006c000c0002000000000000000000040007800c0008000000000000000000080001"], 0x90}}, 0x0) 10:35:10 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000380), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000000c0)=ANY=[@ANYBLOB="90000000", @ANYRES16=r2, @ANYBLOB="01000000000000000000010000000c0005000000000000004c000c0002000000000000000000040007800c0008000000000000000000080001"], 0x90}}, 0x0) 10:35:10 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$nbd(&(0x7f0000000380), r0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000000)) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) r4 = socket$netlink(0x10, 0x3, 0x0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000002c0)={0x0, 0x6000000, &(0x7f0000000280)={&(0x7f00000000c0)=ANY=[@ANYBLOB="90000000", @ANYRES16=r2, @ANYBLOB="01000000000000000000010000000c00050000030000000000000c0002000000000000000000040007800c000800000000000000000008000100000000004400078008000100", @ANYRES32, @ANYBLOB="38000100", @ANYRES32=r3, @ANYBLOB="08000100", @ANYBLOB="0800d354", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32=r4], 0x90}}, 0x0) [ 3055.648575][T21149] __nla_validate_parse: 65 callbacks suppressed [ 3055.648595][T21149] netlink: 8 bytes leftover after parsing attributes in process `syz-executor.4'. [ 3055.711834][T21149] netlink: 4 bytes leftover after parsing attributes in process `syz-executor.4'. [ 3055.724563][T21149] netlink: 4 bytes leftover after parsing attributes in process `syz-executor.4'. [ 3055.738913][T21149] block nbd0: Unsupported socket: shutdown callout must be supported. [ 3055.953591][T21162] netlink: 8 bytes leftover after parsing attributes in process `syz-executor.4'. 10:35:11 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000380), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000000c0)=ANY=[@ANYBLOB="90000000", @ANYRES16=r2, @ANYBLOB="01000000000000000000010000000c00050000000000000074000c0002000000000000000000040007800c0008000000000000000000080001"], 0x90}}, 0x0) 10:35:11 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000380), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000000c0)=ANY=[@ANYBLOB="90000000", @ANYRES16=r2, @ANYBLOB="01000000000000000000010000000c0005000000000000000000600002000000000000000000040007800c0008000000000000000000080001"], 0x90}}, 0x0) 10:35:11 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000380), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000000c0)=ANY=[@ANYBLOB="90000000", @ANYRES16=r2, @ANYBLOB="01000000000000000000010000000c00050000000000000060000c0002000000000000000000040007800c0008000000000000000000080001"], 0x90}}, 0x0) 10:35:11 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000380), r0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000000)) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) r4 = socket$netlink(0x10, 0x3, 0x0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000002c0)={0x0, 0x7000000, &(0x7f0000000280)={&(0x7f00000000c0)=ANY=[@ANYBLOB="90000000", @ANYRES16=r2, @ANYBLOB="01000000000000000000010000000c00050000030000000000000c0002000000000000000000040007800c000800000000000000000008000100000000004400078008000100", @ANYRES32, @ANYBLOB="38000100", @ANYRES32=r3, @ANYBLOB="08000100", @ANYBLOB="0800d354", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32=r4], 0x90}}, 0x0) [ 3056.071872][T21162] netlink: 4 bytes leftover after parsing attributes in process `syz-executor.4'. [ 3056.087323][T21162] netlink: 4 bytes leftover after parsing attributes in process `syz-executor.4'. 10:35:11 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$nbd(&(0x7f0000000380), r0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000000)) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) r4 = socket$netlink(0x10, 0x3, 0x0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000000c0)=ANY=[@ANYBLOB="90000000", @ANYRES16=r2, @ANYBLOB="01000000000000000000010000000c00050000000000000000000c0002000000050000000000040007800c000800000000000000000008000100000000004400078008000100", @ANYRES32, @ANYBLOB="38000100", @ANYRES32=r3, @ANYBLOB="08000100", @ANYBLOB="0800d354", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32=r4], 0x90}}, 0x0) [ 3056.267556][T21168] netlink: 76 bytes leftover after parsing attributes in process `syz-executor.0'. [ 3056.318689][T21169] netlink: 'syz-executor.2': attribute type 2 has an invalid length. [ 3056.328445][T21169] netlink: 16 bytes leftover after parsing attributes in process `syz-executor.2'. [ 3056.339626][T21115] netlink: 9 bytes leftover after parsing attributes in process `syz-executor.5'. [ 3056.362567][T21169] nbd: must specify at least one socket [ 3056.363612][T21115] device gretap0 entered promiscuous mode [ 3056.389696][T21170] netlink: 8 bytes leftover after parsing attributes in process `syz-executor.1'. [ 3056.408694][T21170] block nbd0: Unsupported socket: shutdown callout must be supported. [ 3056.423352][T21120] device ‘|‚ªu left promiscuous mode [ 3056.430739][T21120] ‘|‚ªu: refused to change device tx_queue_len [ 3056.456727][T21178] block nbd0: Unsupported socket: shutdown callout must be supported. [ 3056.466846][T21115] ‘|‚ªu: renamed from gretap0 [ 3056.488616][T21115] device ‘|‚ªu left promiscuous mode [ 3056.519536][T21179] block nbd0: Unsupported socket: shutdown callout must be supported. [ 3056.530151][T21115] A link change request failed with some changes committed already. Interface ‘|‚ªu may have been left with an inconsistent configuration, please check. [ 3056.568097][T21181] block nbd0: Unsupported socket: shutdown callout must be supported. [ 3056.683791][T21115] lo speed is unknown, defaulting to 1000 [ 3056.778522][T21173] device ‘|‚ªu entered promiscuous mode [ 3057.196528][T21207] device ‘|‚ªu left promiscuous mode [ 3057.202498][T21207] ‘|‚ªu: refused to change device tx_queue_len 10:35:12 executing program 5: unshare(0x40000000) mmap(&(0x7f0000000000/0xb36000)=nil, 0xb36000, 0x3, 0x8031, 0xffffffffffffffff, 0x0) unshare(0x0) r0 = socket$netlink(0x10, 0x3, 0x0) writev(r0, &(0x7f0000000080)=[{&(0x7f00000000c0)="390000001300090468fe0700000000000000ff3f04000000480100100000000004002b000a00010014a4ee1ee438d2fd000000000000007200", 0x39}], 0x1) r1 = socket$nl_route(0x10, 0x3, 0x0) sendmsg$netlink(r1, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000100)=[{&(0x7f00000001c0)=ANY=[@ANYBLOB="2800000013000100000000000000000008000000", @ANYRES32=r1, @ANYBLOB='\f\x00\x00\x00', @ANYRES32=0x0, @ANYBLOB="08000d002e14f9"], 0x28}], 0x1}, 0x0) writev(r0, &(0x7f0000000000)=[{&(0x7f0000000040)="3900000013001104680907006000000f0000ff3f04000000290a001700000000040037000a00030014917c82aa75b9a64411f6a4ee1ee438d2", 0x39}], 0x1) 10:35:12 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$nbd(&(0x7f0000000380), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000000c0)=ANY=[@ANYBLOB="90000000", @ANYRES16=r2, @ANYBLOB="01000000000000000000010000000c0005000000000000007a000c0002000000000000000000040007800c0008000000000000000000080001"], 0x90}}, 0x0) 10:35:12 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000380), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000000c0)=ANY=[@ANYBLOB="90000000", @ANYRES16=r2, @ANYBLOB="01000000000000000000010000000c00050000000000000068000c0002000000000000000000040007800c0008000000000000000000080001"], 0x90}}, 0x0) 10:35:12 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$nbd(&(0x7f0000000380), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000000c0)=ANY=[@ANYBLOB="90000000", @ANYRES16=r2, @ANYBLOB="01000000000000000000010000000c0005000000000000000000700002000000000000000000040007800c0008000000000000000000080001"], 0x90}}, 0x0) 10:35:12 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$nbd(&(0x7f0000000380), r0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000000)) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) r4 = socket$netlink(0x10, 0x3, 0x0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000002c0)={0x0, 0x9000000, &(0x7f0000000280)={&(0x7f00000000c0)=ANY=[@ANYBLOB="90000000", @ANYRES16=r2, @ANYBLOB="01000000000000000000010000000c00050000030000000000000c0002000000000000000000040007800c000800000000000000000008000100000000004400078008000100", @ANYRES32, @ANYBLOB="38000100", @ANYRES32=r3, @ANYBLOB="08000100", @ANYBLOB="0800d354", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32=r4], 0x90}}, 0x0) 10:35:12 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000380), r0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000000)) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) r4 = socket$netlink(0x10, 0x3, 0x0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000000c0)=ANY=[@ANYBLOB="90000000", @ANYRES16=r2, @ANYBLOB="01000000000000000000010000000c00050000000000000000000c0002000000060000000000040007800c000800000000000000000008000100000000004400078008000100", @ANYRES32, @ANYBLOB="38000100", @ANYRES32=r3, @ANYBLOB="08000100", @ANYBLOB="0800d354", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32=r4], 0x90}}, 0x0) [ 3057.576822][T21216] block nbd0: Unsupported socket: shutdown callout must be supported. [ 3057.621153][T21217] netlink: 'syz-executor.2': attribute type 2 has an invalid length. [ 3057.642247][T21217] nbd: must specify at least one socket [ 3057.665928][T21220] block nbd0: Unsupported socket: shutdown callout must be supported. 10:35:12 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000380), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000000c0)=ANY=[@ANYBLOB="90000000", @ANYRES16=r2, @ANYBLOB="01000000000000000000010000000c0005000000000000006c000c0002000000000000000000040007800c0008000000000000000000080001"], 0x90}}, 0x0) 10:35:12 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$nbd(&(0x7f0000000380), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000000c0)=ANY=[@ANYBLOB="90000000", @ANYRES16=r2, @ANYBLOB="01000000000000000000010000000c000500000000e160dc95000c0002000000000000000000040007800c0008000000000000000000080001"], 0x90}}, 0x0) 10:35:12 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$nbd(&(0x7f0000000380), r0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000000)) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) r4 = socket$netlink(0x10, 0x3, 0x0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000000c0)=ANY=[@ANYBLOB="90000000", @ANYRES16=r2, @ANYBLOB="01000000000000000000010000000c00050000000000000000000c0002000000070000000000040007800c000800000000000000000008000100000000004400078008000100", @ANYRES32, @ANYBLOB="38000100", @ANYRES32=r3, @ANYBLOB="08000100", @ANYBLOB="0800d354", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32=r4], 0x90}}, 0x0) [ 3057.748007][T21230] block nbd0: Unsupported socket: shutdown callout must be supported. [ 3057.783140][T21224] lo speed is unknown, defaulting to 1000 10:35:13 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000380), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000000c0)=ANY=[@ANYBLOB="90000000", @ANYRES16=r2, @ANYBLOB="01000000000000000000010000000c00050000000000000000007c0002000000000000000000040007800c0008000000000000000000080001"], 0x90}}, 0x0) 10:35:13 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000380), r0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000000)) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) r4 = socket$netlink(0x10, 0x3, 0x0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000002c0)={0x0, 0xa000000, &(0x7f0000000280)={&(0x7f00000000c0)=ANY=[@ANYBLOB="90000000", @ANYRES16=r2, @ANYBLOB="01000000000000000000010000000c00050000030000000000000c0002000000000000000000040007800c000800000000000000000008000100000000004400078008000100", @ANYRES32, @ANYBLOB="38000100", @ANYRES32=r3, @ANYBLOB="08000100", @ANYBLOB="0800d354", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32=r4], 0x90}}, 0x0) [ 3058.058147][T21238] block nbd0: Unsupported socket: shutdown callout must be supported. 10:35:13 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$nbd(&(0x7f0000000380), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000000c0)=ANY=[@ANYBLOB="90000000", @ANYRES16=r2, @ANYBLOB="01000000000000000000010000000c000500000000ffffff9e000c0002000000000000000000040007800c0008000000000000000000080001"], 0x90}}, 0x0) [ 3058.158939][T21243] nbd: must specify at least one socket [ 3058.219431][T21252] block nbd0: Unsupported socket: shutdown callout must be supported. [ 3058.321900][T21264] nbd: nbd0 already in use [ 3058.644472][T21224] device gretap0 entered promiscuous mode [ 3058.652022][T21224] device gretap0 left promiscuous mode [ 3058.692229][T21224] ‘|‚ªu: renamed from gretap0 [ 3058.716450][T21224] ‘|‚ªu: default qdisc (pfifo_fast) fail, fallback to noqueue [ 3058.736181][T21224] A link change request failed with some changes committed already. Interface ‘|‚ªu may have been left with an inconsistent configuration, please check. [ 3058.863051][T21224] lo speed is unknown, defaulting to 1000 [ 3058.950440][T21274] device ‘|‚ªu entered promiscuous mode 10:35:14 executing program 5: unshare(0x40000000) mmap(&(0x7f0000000000/0xb36000)=nil, 0xb36000, 0x3, 0x8031, 0xffffffffffffffff, 0x0) unshare(0x0) r0 = socket$netlink(0x10, 0x3, 0x0) writev(r0, &(0x7f0000000080)=[{&(0x7f00000000c0)="390000001300090468fe0700000000000000ff3f04000000480100100000000004002b000a00010014a4ee1ee438d2fd000000000000007200", 0x39}], 0x1) r1 = socket$nl_route(0x10, 0x3, 0x0) sendmsg$netlink(r1, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000100)=[{&(0x7f00000001c0)=ANY=[@ANYBLOB="2800000013000100000000000000000008000000", @ANYRES32=r1, @ANYBLOB='\f\x00\x00\x00', @ANYRES32=0x0, @ANYBLOB="08000d002e14f9"], 0x28}], 0x1}, 0x0) writev(r0, &(0x7f0000000000)=[{&(0x7f0000000040)="3900000013001104680907016100000f0000ff3f04000000290a001700000000040037000a00030014917c82aa75b9a64411f6a4ee1ee438d2", 0x39}], 0x1) 10:35:14 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000380), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000000c0)=ANY=[@ANYBLOB="90000000", @ANYRES16=r2, @ANYBLOB="01000000000000000000010000000c00050000000000000074000c0002000000000000000000040007800c0008000000000000000000080001"], 0x90}}, 0x0) 10:35:14 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000380), r0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000000)) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) r4 = socket$netlink(0x10, 0x3, 0x0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000000c0)=ANY=[@ANYBLOB="90000000", @ANYRES16=r2, @ANYBLOB="01000000000000000000010000000c00050000000000000000000c0002000000090000000000040007800c000800000000000000000008000100000000004400078008000100", @ANYRES32, @ANYBLOB="38000100", @ANYRES32=r3, @ANYBLOB="08000100", @ANYBLOB="0800d354", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32=r4], 0x90}}, 0x0) 10:35:14 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$nbd(&(0x7f0000000380), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000000c0)=ANY=[@ANYBLOB="90000000", @ANYRES16=r2, @ANYBLOB="01000000000000000000010000000c00050000000000007fffffff0002000000000000000000040007800c0008000000000000000000080001"], 0x90}}, 0x0) 10:35:14 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$nbd(&(0x7f0000000380), r0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000000)) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) r4 = socket$netlink(0x10, 0x3, 0x0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000002c0)={0x0, 0xf000000, &(0x7f0000000280)={&(0x7f00000000c0)=ANY=[@ANYBLOB="90000000", @ANYRES16=r2, @ANYBLOB="01000000000000000000010000000c00050000030000000000000c0002000000000000000000040007800c000800000000000000000008000100000000004400078008000100", @ANYRES32, @ANYBLOB="38000100", @ANYRES32=r3, @ANYBLOB="08000100", @ANYBLOB="0800d354", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32=r4], 0x90}}, 0x0) 10:35:14 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000380), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000000c0)=ANY=[@ANYBLOB="90000000", @ANYRES16=r2, @ANYBLOB="01000000000000000000010000000c000500000000000015a0000c0002000000000000000000040007800c0008000000000000000000080001"], 0x90}}, 0x0) [ 3059.369414][T21307] block nbd0: Unsupported socket: shutdown callout must be supported. [ 3059.422582][T21309] nbd: must specify at least one socket [ 3059.440481][T21310] block nbd0: Unsupported socket: shutdown callout must be supported. 10:35:14 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000380), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000000c0)=ANY=[@ANYBLOB="90000000", @ANYRES16=r2, @ANYBLOB="01000000000000000000010000000c0005000000000000007a000c0002000000000000000000040007800c0008000000000000000000080001"], 0x90}}, 0x0) 10:35:14 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000380), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000000c0)=ANY=[@ANYBLOB="90000000", @ANYRES16=r2, @ANYBLOB="01000000000000000000010000000c00050000000095dc60e1000c0002000000000000000000040007800c0008000000000000000000080001"], 0x90}}, 0x0) [ 3059.478924][T21315] block nbd0: Unsupported socket: shutdown callout must be supported. [ 3059.530857][T21313] lo speed is unknown, defaulting to 1000 [ 3059.571310][T21322] block nbd0: Unsupported socket: shutdown callout must be supported. 10:35:14 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000380), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000000c0)=ANY=[@ANYBLOB="90000000", @ANYRES16=r2, @ANYBLOB="01000000000000000000010000000c00050000000000000002000c0002000000000000000000040007800c0008000000000000000000080001"], 0x90}}, 0x0) 10:35:14 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000380), r0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000000)) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) r4 = socket$netlink(0x10, 0x3, 0x0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000002c0)={0x0, 0x1f000000, &(0x7f0000000280)={&(0x7f00000000c0)=ANY=[@ANYBLOB="90000000", @ANYRES16=r2, @ANYBLOB="01000000000000000000010000000c00050000030000000000000c0002000000000000000000040007800c000800000000000000000008000100000000004400078008000100", @ANYRES32, @ANYBLOB="38000100", @ANYRES32=r3, @ANYBLOB="08000100", @ANYBLOB="0800d354", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32=r4], 0x90}}, 0x0) 10:35:14 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$nbd(&(0x7f0000000380), r0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000000)) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) r4 = socket$netlink(0x10, 0x3, 0x0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000000c0)=ANY=[@ANYBLOB="90000000", @ANYRES16=r2, @ANYBLOB="01000000000000000000010000000c00050000000000000000000c00020000000a0000000000040007800c000800000000000000000008000100000000004400078008000100", @ANYRES32, @ANYBLOB="38000100", @ANYRES32=r3, @ANYBLOB="08000100", @ANYBLOB="0800d354", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32=r4], 0x90}}, 0x0) 10:35:15 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000380), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000000c0)=ANY=[@ANYBLOB="90000000", @ANYRES16=r2, @ANYBLOB="01000000000000000000010000000c000500000000fffffff0000c0002000000000000000000040007800c0008000000000000000000080001"], 0x90}}, 0x0) [ 3059.967812][T21353] block nbd0: Unsupported socket: shutdown callout must be supported. [ 3060.031781][T21355] block nbd0: Unsupported socket: shutdown callout must be supported. [ 3060.081437][T21358] nbd: nbd0 already in use [ 3060.094624][T21360] nbd: nbd0 already in use [ 3060.392565][T21313] device gretap0 entered promiscuous mode [ 3060.401954][T21313] device gretap0 left promiscuous mode [ 3060.417974][T21313] ‘|‚ªu: renamed from gretap0 [ 3060.434193][T21313] ‘|‚ªu: default qdisc (pfifo_fast) fail, fallback to noqueue [ 3060.453634][T21313] A link change request failed with some changes committed already. Interface ‘|‚ªu may have been left with an inconsistent configuration, please check. [ 3060.521515][T21313] lo speed is unknown, defaulting to 1000 [ 3060.645477][T21382] device ‘|‚ªu left promiscuous mode [ 3060.651205][T21382] ‘|‚ªu: refused to change device tx_queue_len 10:35:16 executing program 5: unshare(0x40000000) mmap(&(0x7f0000000000/0xb36000)=nil, 0xb36000, 0x3, 0x8031, 0xffffffffffffffff, 0x0) unshare(0x0) r0 = socket$netlink(0x10, 0x3, 0x0) writev(r0, &(0x7f0000000080)=[{&(0x7f00000000c0)="390000001300090468fe0700000000000000ff3f04000000480100100000000004002b000a00010014a4ee1ee438d2fd000000000000007200", 0x39}], 0x1) r1 = socket$nl_route(0x10, 0x3, 0x0) sendmsg$netlink(r1, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000100)=[{&(0x7f00000001c0)=ANY=[@ANYBLOB="2800000013000100000000000000000008000000", @ANYRES32=r1, @ANYBLOB='\f\x00\x00\x00', @ANYRES32=0x0, @ANYBLOB="08000d002e14f9"], 0x28}], 0x1}, 0x0) writev(r0, &(0x7f0000000000)=[{&(0x7f0000000040)="3900000013001104680907016200000f0000ff3f04000000290a001700000000040037000a00030014917c82aa75b9a64411f6a4ee1ee438d2", 0x39}], 0x1) 10:35:16 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$nbd(&(0x7f0000000380), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000000c0)=ANY=[@ANYBLOB="90000000", @ANYRES16=r2, @ANYBLOB="01000000000000000000010000000c00050000000000000003000c0002000000000000000000040007800c0008000000000000000000080001"], 0x90}}, 0x0) 10:35:16 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000380), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000000c0)=ANY=[@ANYBLOB="90000000", @ANYRES16=r2, @ANYBLOB="01000000000000000000010000000c000500000000000000f0000c0002000000000000000000040007800c0008000000000000000000080001"], 0x90}}, 0x0) 10:35:16 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$nbd(&(0x7f0000000380), r0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000000)) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) r4 = socket$netlink(0x10, 0x3, 0x0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000002c0)={0x0, 0x20000000, &(0x7f0000000280)={&(0x7f00000000c0)=ANY=[@ANYBLOB="90000000", @ANYRES16=r2, @ANYBLOB="01000000000000000000010000000c00050000030000000000000c0002000000000000000000040007800c000800000000000000000008000100000000004400078008000100", @ANYRES32, @ANYBLOB="38000100", @ANYRES32=r3, @ANYBLOB="08000100", @ANYBLOB="0800d354", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32=r4], 0x90}}, 0x0) 10:35:16 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000380), r0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000000)) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) r4 = socket$netlink(0x10, 0x3, 0x0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000000c0)=ANY=[@ANYBLOB="90000000", @ANYRES16=r2, @ANYBLOB="01000000000000000000010000000c00050000000000000000000c00020000001f0000000000040007800c000800000000000000000008000100000000004400078008000100", @ANYRES32, @ANYBLOB="38000100", @ANYRES32=r3, @ANYBLOB="08000100", @ANYBLOB="0800d354", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32=r4], 0x90}}, 0x0) 10:35:16 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$nbd(&(0x7f0000000380), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000000c0)=ANY=[@ANYBLOB="90000000", @ANYRES16=r2, @ANYBLOB="01000000000000000000010000000c00050000000000f0ffff000c0002000000000000000000040007800c0008000000000000000000080001"], 0x90}}, 0x0) [ 3061.041741][T21397] __nla_validate_parse: 73 callbacks suppressed [ 3061.041762][T21397] netlink: 8 bytes leftover after parsing attributes in process `syz-executor.1'. [ 3061.119230][T21397] netlink: 4 bytes leftover after parsing attributes in process `syz-executor.1'. [ 3061.163555][T21397] netlink: 4 bytes leftover after parsing attributes in process `syz-executor.1'. [ 3061.198420][T21397] block nbd0: Unsupported socket: shutdown callout must be supported. [ 3061.224611][T21407] lo speed is unknown, defaulting to 1000 [ 3061.309646][T21414] netlink: 8 bytes leftover after parsing attributes in process `syz-executor.1'. [ 3061.349658][T21414] netlink: 4 bytes leftover after parsing attributes in process `syz-executor.1'. 10:35:16 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$nbd(&(0x7f0000000380), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000000c0)=ANY=[@ANYBLOB="90000000", @ANYRES16=r2, @ANYBLOB="01000000000000000000010000000c00050000000000000004000c0002000000000000000000040007800c0008000000000000000000080001"], 0x90}}, 0x0) 10:35:16 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$nbd(&(0x7f0000000380), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000000c0)=ANY=[@ANYBLOB="90000000", @ANYRES16=r2, @ANYBLOB="01000000000000000000010000000c0005000000007fffffff000c0002000000000000000000040007800c0008000000000000000000080001"], 0x90}}, 0x0) [ 3061.412084][T21414] netlink: 4 bytes leftover after parsing attributes in process `syz-executor.1'. [ 3061.484007][T21419] netlink: 8 bytes leftover after parsing attributes in process `syz-executor.4'. [ 3061.508862][T21419] netlink: 4 bytes leftover after parsing attributes in process `syz-executor.4'. 10:35:16 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000380), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000000c0)=ANY=[@ANYBLOB="90000000", @ANYRES16=r2, @ANYBLOB="01000000000000000000010000000c0005000000000000000000300002000000000000000000040007800c0008000000000000000000080001"], 0x90}}, 0x0) [ 3061.558644][T21419] netlink: 4 bytes leftover after parsing attributes in process `syz-executor.4'. 10:35:16 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$nbd(&(0x7f0000000380), r0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000000)) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) r4 = socket$netlink(0x10, 0x3, 0x0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000002c0)={0x0, 0x3f000000, &(0x7f0000000280)={&(0x7f00000000c0)=ANY=[@ANYBLOB="90000000", @ANYRES16=r2, @ANYBLOB="01000000000000000000010000000c00050000030000000000000c0002000000000000000000040007800c000800000000000000000008000100000000004400078008000100", @ANYRES32, @ANYBLOB="38000100", @ANYRES32=r3, @ANYBLOB="08000100", @ANYBLOB="0800d354", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32=r4], 0x90}}, 0x0) [ 3061.615487][T21435] netlink: 76 bytes leftover after parsing attributes in process `syz-executor.0'. 10:35:16 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000380), r0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000000)) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) r4 = socket$netlink(0x10, 0x3, 0x0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000000c0)=ANY=[@ANYBLOB="90000000", @ANYRES16=r2, @ANYBLOB="01000000000000000000010000000c00050000000000000000000c0002000000200000000000040007800c000800000000000000000008000100000000004400078008000100", @ANYRES32, @ANYBLOB="38000100", @ANYRES32=r3, @ANYBLOB="08000100", @ANYBLOB="0800d354", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32=r4], 0x90}}, 0x0) [ 3061.680002][T21435] nbd: nbd0 already in use 10:35:16 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$nbd(&(0x7f0000000380), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000000c0)=ANY=[@ANYBLOB="90000000", @ANYRES16=r2, @ANYBLOB="01000000000000000000010000000c00050000000000000005000c0002000000000000000000040007800c0008000000000000000000080001"], 0x90}}, 0x0) [ 3061.792391][T21442] netlink: 'syz-executor.3': attribute type 2 has an invalid length. [ 3061.837515][T21442] nbd: must specify at least one socket [ 3061.867103][T21443] block nbd0: Unsupported socket: shutdown callout must be supported. [ 3061.908753][T21445] block nbd0: Unsupported socket: shutdown callout must be supported. [ 3061.945147][T21447] block nbd0: Unsupported socket: shutdown callout must be supported. [ 3061.989964][T21450] block nbd0: Unsupported socket: shutdown callout must be supported. [ 3062.179729][T21407] device gretap0 entered promiscuous mode [ 3062.189240][T21407] device gretap0 left promiscuous mode [ 3062.202949][T21407] ‘|‚ªu: renamed from gretap0 [ 3062.218715][T21407] ‘|‚ªu: default qdisc (pfifo_fast) fail, fallback to noqueue [ 3062.251085][T21407] A link change request failed with some changes committed already. Interface ‘|‚ªu may have been left with an inconsistent configuration, please check. [ 3062.358388][T21407] lo speed is unknown, defaulting to 1000 [ 3062.457889][T21455] device ‘|‚ªu entered promiscuous mode [ 3062.883263][T21482] device ‘|‚ªu left promiscuous mode [ 3062.909724][T21482] ‘|‚ªu: refused to change device tx_queue_len 10:35:18 executing program 5: unshare(0x40000000) mmap(&(0x7f0000000000/0xb36000)=nil, 0xb36000, 0x3, 0x8031, 0xffffffffffffffff, 0x0) unshare(0x0) r0 = socket$netlink(0x10, 0x3, 0x0) writev(r0, &(0x7f0000000080)=[{&(0x7f00000000c0)="390000001300090468fe0700000000000000ff3f04000000480100100000000004002b000a00010014a4ee1ee438d2fd000000000000007200", 0x39}], 0x1) r1 = socket$nl_route(0x10, 0x3, 0x0) sendmsg$netlink(r1, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000100)=[{&(0x7f00000001c0)=ANY=[@ANYBLOB="2800000013000100000000000000000008000000", @ANYRES32=r1, @ANYBLOB='\f\x00\x00\x00', @ANYRES32=0x0, @ANYBLOB="08000d002e14f9"], 0x28}], 0x1}, 0x0) writev(r0, &(0x7f0000000000)=[{&(0x7f0000000040)="3900000013001104680907036200000f0000ff3f04000000290a001700000000040037000a00030014917c82aa75b9a64411f6a4ee1ee438d2", 0x39}], 0x1) 10:35:18 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000380), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000000c0)=ANY=[@ANYBLOB="90000000", @ANYRES16=r2, @ANYBLOB="01000000000000000000010000000c0005000000009effffff000c0002000000000000000000040007800c0008000000000000000000080001"], 0x90}}, 0x0) 10:35:18 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000380), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000000c0)=ANY=[@ANYBLOB="90000000", @ANYRES16=r2, @ANYBLOB="01000000000000000000010000000c0005000000000000000000600002000000000000000000040007800c0008000000000000000000080001"], 0x90}}, 0x0) 10:35:18 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000380), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000000c0)=ANY=[@ANYBLOB="90000000", @ANYRES16=r2, @ANYBLOB="01000000000000000000010000000c00050000000000000006000c0002000000000000000000040007800c0008000000000000000000080001"], 0x90}}, 0x0) 10:35:18 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000380), r0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000000)) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) r4 = socket$netlink(0x10, 0x3, 0x0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000002c0)={0x0, 0x48000000, &(0x7f0000000280)={&(0x7f00000000c0)=ANY=[@ANYBLOB="90000000", @ANYRES16=r2, @ANYBLOB="01000000000000000000010000000c00050000030000000000000c0002000000000000000000040007800c000800000000000000000008000100000000004400078008000100", @ANYRES32, @ANYBLOB="38000100", @ANYRES32=r3, @ANYBLOB="08000100", @ANYBLOB="0800d354", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32=r4], 0x90}}, 0x0) 10:35:18 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$nbd(&(0x7f0000000380), r0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000000)) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) r4 = socket$netlink(0x10, 0x3, 0x0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000000c0)=ANY=[@ANYBLOB="90000000", @ANYRES16=r2, @ANYBLOB="01000000000000000000010000000c00050000000000000000000c00020000003f0000000000040007800c000800000000000000000008000100000000004400078008000100", @ANYRES32, @ANYBLOB="38000100", @ANYRES32=r3, @ANYBLOB="08000100", @ANYBLOB="0800d354", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32=r4], 0x90}}, 0x0) [ 3063.192489][T21488] netlink: 'syz-executor.3': attribute type 2 has an invalid length. [ 3063.220960][T21488] nbd: must specify at least one socket [ 3063.242010][T21492] block nbd0: Unsupported socket: shutdown callout must be supported. [ 3063.281339][T21489] block nbd0: Unsupported socket: shutdown callout must be supported. 10:35:18 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000380), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000000c0)=ANY=[@ANYBLOB="90000000", @ANYRES16=r2, @ANYBLOB="01000000000000000000010000000c000500000000f0ffffff000c0002000000000000000000040007800c0008000000000000000000080001"], 0x90}}, 0x0) [ 3063.344396][T21502] block nbd0: Unsupported socket: shutdown callout must be supported. [ 3063.370741][T21496] lo speed is unknown, defaulting to 1000 10:35:18 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000380), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000000c0)=ANY=[@ANYBLOB="90000000", @ANYRES16=r2, @ANYBLOB="01000000000000000000010000000c00050000000000000007000c0002000000000000000000040007800c0008000000000000000000080001"], 0x90}}, 0x0) 10:35:18 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000380), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000000c0)=ANY=[@ANYBLOB="90000000", @ANYRES16=r2, @ANYBLOB="01000000000000000000010000000c0005000000000000000000700002000000000000000000040007800c0008000000000000000000080001"], 0x90}}, 0x0) 10:35:18 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000380), r0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000000)) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) r4 = socket$netlink(0x10, 0x3, 0x0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000000c0)=ANY=[@ANYBLOB="90000000", @ANYRES16=r2, @ANYBLOB="01000000000000000000010000000c00050000000000000000000c0002000000480000000000040007800c000800000000000000000008000100000000004400078008000100", @ANYRES32, @ANYBLOB="38000100", @ANYRES32=r3, @ANYBLOB="08000100", @ANYBLOB="0800d354", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32=r4], 0x90}}, 0x0) 10:35:18 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$nbd(&(0x7f0000000380), r0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000000)) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) r4 = socket$netlink(0x10, 0x3, 0x0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000002c0)={0x0, 0x4c000000, &(0x7f0000000280)={&(0x7f00000000c0)=ANY=[@ANYBLOB="90000000", @ANYRES16=r2, @ANYBLOB="01000000000000000000010000000c00050000030000000000000c0002000000000000000000040007800c000800000000000000000008000100000000004400078008000100", @ANYRES32, @ANYBLOB="38000100", @ANYRES32=r3, @ANYBLOB="08000100", @ANYBLOB="0800d354", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32=r4], 0x90}}, 0x0) [ 3063.556537][T21517] nbd: nbd0 already in use [ 3063.610044][T21522] nbd: nbd0 already in use [ 3063.646909][T21517] nbd: nbd0 already in use [ 3063.665431][T21529] netlink: 'syz-executor.3': attribute type 2 has an invalid length. [ 3063.712982][T21529] nbd: must specify at least one socket 10:35:18 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000380), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000000c0)=ANY=[@ANYBLOB="90000000", @ANYRES16=r2, @ANYBLOB="01000000000000000000010000000c00050000000000020000000c0002000000000000000000040007800c0008000000000000000000080001"], 0x90}}, 0x0) [ 3063.757707][T21538] block nbd0: Unsupported socket: shutdown callout must be supported. [ 3063.808031][T21537] block nbd0: Unsupported socket: shutdown callout must be supported. [ 3063.889543][T21542] block nbd0: Unsupported socket: shutdown callout must be supported. [ 3064.177021][T21496] device gretap0 entered promiscuous mode [ 3064.186656][T21496] device gretap0 left promiscuous mode [ 3064.200191][T21496] ‘|‚ªu: renamed from gretap0 [ 3064.235804][T21496] ‘|‚ªu: default qdisc (pfifo_fast) fail, fallback to noqueue [ 3064.250094][T21496] A link change request failed with some changes committed already. Interface ‘|‚ªu may have been left with an inconsistent configuration, please check. [ 3064.314138][T21496] lo speed is unknown, defaulting to 1000 [ 3064.467829][T21549] device ‘|‚ªu entered promiscuous mode [ 3064.878295][T21577] device ‘|‚ªu left promiscuous mode [ 3064.884965][T21577] ‘|‚ªu: refused to change device tx_queue_len 10:35:20 executing program 5: unshare(0x40000000) mmap(&(0x7f0000000000/0xb36000)=nil, 0xb36000, 0x3, 0x8031, 0xffffffffffffffff, 0x0) unshare(0x0) r0 = socket$netlink(0x10, 0x3, 0x0) writev(r0, &(0x7f0000000080)=[{&(0x7f00000000c0)="390000001300090468fe0700000000000000ff3f04000000480100100000000004002b000a00010014a4ee1ee438d2fd000000000000007200", 0x39}], 0x1) r1 = socket$nl_route(0x10, 0x3, 0x0) sendmsg$netlink(r1, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000100)=[{&(0x7f00000001c0)=ANY=[@ANYBLOB="2800000013000100000000000000000008000000", @ANYRES32=r1, @ANYBLOB='\f\x00\x00\x00', @ANYRES32=0x0, @ANYBLOB="08000d002e14f9"], 0x28}], 0x1}, 0x0) writev(r0, &(0x7f0000000000)=[{&(0x7f0000000040)="3900000013001104680907166400000f0000ff3f04000000290a001700000000040037000a00030014917c82aa75b9a64411f6a4ee1ee438d2", 0x39}], 0x1) 10:35:20 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000380), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000000c0)=ANY=[@ANYBLOB="90000000", @ANYRES16=r2, @ANYBLOB="01000000000000000000010000000c00050000000000000000007c0002000000000000000000040007800c0008000000000000000000080001"], 0x90}}, 0x0) 10:35:20 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$nbd(&(0x7f0000000380), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000000c0)=ANY=[@ANYBLOB="90000000", @ANYRES16=r2, @ANYBLOB="01000000000000000000010000000c00050000000000000009000c0002000000000000000000040007800c0008000000000000000000080001"], 0x90}}, 0x0) 10:35:20 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$nbd(&(0x7f0000000380), r0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000000)) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) r4 = socket$netlink(0x10, 0x3, 0x0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000000c0)=ANY=[@ANYBLOB="90000000", @ANYRES16=r2, @ANYBLOB="01000000000000000000010000000c00050000000000000000000c00020000004c0000000000040007800c000800000000000000000008000100000000004400078008000100", @ANYRES32, @ANYBLOB="38000100", @ANYRES32=r3, @ANYBLOB="08000100", @ANYBLOB="0800d354", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32=r4], 0x90}}, 0x0) 10:35:20 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000380), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000000c0)=ANY=[@ANYBLOB="90000000", @ANYRES16=r2, @ANYBLOB="01000000000000000000010000000c00050000000000030000000c0002000000000000000000040007800c0008000000000000000000080001"], 0x90}}, 0x0) 10:35:20 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000380), r0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000000)) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) r4 = socket$netlink(0x10, 0x3, 0x0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000002c0)={0x0, 0x60000000, &(0x7f0000000280)={&(0x7f00000000c0)=ANY=[@ANYBLOB="90000000", @ANYRES16=r2, @ANYBLOB="01000000000000000000010000000c00050000030000000000000c0002000000000000000000040007800c000800000000000000000008000100000000004400078008000100", @ANYRES32, @ANYBLOB="38000100", @ANYRES32=r3, @ANYBLOB="08000100", @ANYBLOB="0800d354", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32=r4], 0x90}}, 0x0) [ 3065.210788][T21591] nbd: must specify at least one socket [ 3065.242837][T21590] block nbd0: Unsupported socket: shutdown callout must be supported. 10:35:20 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$nbd(&(0x7f0000000380), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000000c0)=ANY=[@ANYBLOB="90000000", @ANYRES16=r2, @ANYBLOB="01000000000000000000010000000c0005000000000000000a000c0002000000000000000000040007800c0008000000000000000000080001"], 0x90}}, 0x0) [ 3065.315041][T21589] block nbd0: Unsupported socket: shutdown callout must be supported. [ 3065.329710][T21585] lo speed is unknown, defaulting to 1000 10:35:20 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$nbd(&(0x7f0000000380), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000000c0)=ANY=[@ANYBLOB="90000000", @ANYRES16=r2, @ANYBLOB="01000000000000000000010000000c00050000000000040000000c0002000000000000000000040007800c0008000000000000000000080001"], 0x90}}, 0x0) [ 3065.378043][T21598] block nbd0: Unsupported socket: shutdown callout must be supported. 10:35:20 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000380), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000000c0)=ANY=[@ANYBLOB="90000000", @ANYRES16=r2, @ANYBLOB="01000000000000000000010000000c00050000000000007fffffff0002000000000000000000040007800c0008000000000000000000080001"], 0x90}}, 0x0) [ 3065.455681][T21603] block nbd0: Unsupported socket: shutdown callout must be supported. 10:35:20 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$nbd(&(0x7f0000000380), r0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000000)) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) r4 = socket$netlink(0x10, 0x3, 0x0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000000c0)=ANY=[@ANYBLOB="90000000", @ANYRES16=r2, @ANYBLOB="01000000000000000000010000000c00050000000000000000000c0002000000600000000000040007800c000800000000000000000008000100000000004400078008000100", @ANYRES32, @ANYBLOB="38000100", @ANYRES32=r3, @ANYBLOB="08000100", @ANYBLOB="0800d354", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32=r4], 0x90}}, 0x0) [ 3065.654086][T21613] nbd: nbd0 already in use 10:35:20 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000380), r0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000000)) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) r4 = socket$netlink(0x10, 0x3, 0x0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000002c0)={0x0, 0x68000000, &(0x7f0000000280)={&(0x7f00000000c0)=ANY=[@ANYBLOB="90000000", @ANYRES16=r2, @ANYBLOB="01000000000000000000010000000c00050000030000000000000c0002000000000000000000040007800c000800000000000000000008000100000000004400078008000100", @ANYRES32, @ANYBLOB="38000100", @ANYRES32=r3, @ANYBLOB="08000100", @ANYBLOB="0800d354", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32=r4], 0x90}}, 0x0) 10:35:20 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$nbd(&(0x7f0000000380), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000000c0)=ANY=[@ANYBLOB="90000000", @ANYRES16=r2, @ANYBLOB="01000000000000000000010000000c0005000000000000000f000c0002000000000000000000040007800c0008000000000000000000080001"], 0x90}}, 0x0) [ 3065.741886][T21621] nbd: must specify at least one socket [ 3065.821123][T21625] block nbd0: Unsupported socket: shutdown callout must be supported. [ 3065.933984][T21629] block nbd0: Unsupported socket: shutdown callout must be supported. [ 3066.042480][T21642] block nbd0: Unsupported socket: shutdown callout must be supported. [ 3066.272508][T21585] __nla_validate_parse: 77 callbacks suppressed [ 3066.272530][T21585] netlink: 9 bytes leftover after parsing attributes in process `syz-executor.5'. [ 3066.308802][T21585] device gretap0 entered promiscuous mode [ 3066.326748][T21587] ‘|‚ªu: refused to change device tx_queue_len [ 3066.377431][T21585] netlink: 9 bytes leftover after parsing attributes in process `syz-executor.5'. [ 3066.391232][T21585] ‘|‚ªu: renamed from gretap0 [ 3066.402912][T21585] device ‘|‚ªu left promiscuous mode [ 3066.420813][T21585] A link change request failed with some changes committed already. Interface ‘|‚ªu may have been left with an inconsistent configuration, please check. [ 3066.497366][T21585] lo speed is unknown, defaulting to 1000 [ 3066.574270][T21644] netlink: 9 bytes leftover after parsing attributes in process `syz-executor.5'. [ 3066.594043][T21644] device ‘|‚ªu entered promiscuous mode 10:35:22 executing program 5: unshare(0x40000000) mmap(&(0x7f0000000000/0xb36000)=nil, 0xb36000, 0x3, 0x8031, 0xffffffffffffffff, 0x0) unshare(0x0) r0 = socket$netlink(0x10, 0x3, 0x0) writev(r0, &(0x7f0000000080)=[{&(0x7f00000000c0)="390000001300090468fe0700000000000000ff3f04000000480100100000000004002b000a00010014a4ee1ee438d2fd000000000000007200", 0x39}], 0x1) r1 = socket$nl_route(0x10, 0x3, 0x0) sendmsg$netlink(r1, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000100)=[{&(0x7f00000001c0)=ANY=[@ANYBLOB="2800000013000100000000000000000008000000", @ANYRES32=r1, @ANYBLOB='\f\x00\x00\x00', @ANYRES32=0x0, @ANYBLOB="08000d002e14f9"], 0x28}], 0x1}, 0x0) writev(r0, &(0x7f0000000000)=[{&(0x7f0000000040)="3900000013001104680907166500000f0000ff3f04000000290a001700000000040037000a00030014917c82aa75b9a64411f6a4ee1ee438d2", 0x39}], 0x1) 10:35:22 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000380), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000000c0)=ANY=[@ANYBLOB="90000000", @ANYRES16=r2, @ANYBLOB="01000000000000000000010000000c00050000000000050000000c0002000000000000000000040007800c0008000000000000000000080001"], 0x90}}, 0x0) 10:35:22 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000380), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000000c0)=ANY=[@ANYBLOB="90000000", @ANYRES16=r2, @ANYBLOB="01000000000000000000010000000c00050000000000000002000c0002000000000000000000040007800c0008000000000000000000080001"], 0x90}}, 0x0) 10:35:22 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000380), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000000c0)=ANY=[@ANYBLOB="90000000", @ANYRES16=r2, @ANYBLOB="01000000000000000000010000000c00050000000000000048000c0002000000000000000000040007800c0008000000000000000000080001"], 0x90}}, 0x0) 10:35:22 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000380), r0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000000)) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) r4 = socket$netlink(0x10, 0x3, 0x0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000000c0)=ANY=[@ANYBLOB="90000000", @ANYRES16=r2, @ANYBLOB="01000000000000000000010000000c00050000000000000000000c0002000000680000000000040007800c000800000000000000000008000100000000004400078008000100", @ANYRES32, @ANYBLOB="38000100", @ANYRES32=r3, @ANYBLOB="08000100", @ANYBLOB="0800d354", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32=r4], 0x90}}, 0x0) 10:35:22 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$nbd(&(0x7f0000000380), r0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000000)) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) r4 = socket$netlink(0x10, 0x3, 0x0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000002c0)={0x0, 0x6c000000, &(0x7f0000000280)={&(0x7f00000000c0)=ANY=[@ANYBLOB="90000000", @ANYRES16=r2, @ANYBLOB="01000000000000000000010000000c00050000030000000000000c0002000000000000000000040007800c000800000000000000000008000100000000004400078008000100", @ANYRES32, @ANYBLOB="38000100", @ANYRES32=r3, @ANYBLOB="08000100", @ANYBLOB="0800d354", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32=r4], 0x90}}, 0x0) [ 3067.411452][T21682] netlink: 76 bytes leftover after parsing attributes in process `syz-executor.3'. [ 3067.437681][T21681] netlink: 8 bytes leftover after parsing attributes in process `syz-executor.1'. [ 3067.454863][T21681] netlink: 4 bytes leftover after parsing attributes in process `syz-executor.1'. [ 3067.468104][T21681] netlink: 4 bytes leftover after parsing attributes in process `syz-executor.1'. [ 3067.481279][T21681] block nbd0: Unsupported socket: shutdown callout must be supported. 10:35:22 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000380), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000000c0)=ANY=[@ANYBLOB="90000000", @ANYRES16=r2, @ANYBLOB="01000000000000000000010000000c00050000000000000003000c0002000000000000000000040007800c0008000000000000000000080001"], 0x90}}, 0x0) [ 3067.514059][T21686] netlink: 76 bytes leftover after parsing attributes in process `syz-executor.0'. [ 3067.552526][T21685] netlink: 76 bytes leftover after parsing attributes in process `syz-executor.2'. [ 3067.594745][T21689] lo speed is unknown, defaulting to 1000 [ 3067.597405][T21693] netlink: 8 bytes leftover after parsing attributes in process `syz-executor.4'. 10:35:22 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000380), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000000c0)=ANY=[@ANYBLOB="90000000", @ANYRES16=r2, @ANYBLOB="01000000000000000000010000000c00050000000000060000000c0002000000000000000000040007800c0008000000000000000000080001"], 0x90}}, 0x0) 10:35:22 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000380), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000000c0)=ANY=[@ANYBLOB="90000000", @ANYRES16=r2, @ANYBLOB="01000000000000000000010000000c0005000000000000004c000c0002000000000000000000040007800c0008000000000000000000080001"], 0x90}}, 0x0) 10:35:22 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000380), r0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000000)) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) r4 = socket$netlink(0x10, 0x3, 0x0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000002c0)={0x0, 0x74000000, &(0x7f0000000280)={&(0x7f00000000c0)=ANY=[@ANYBLOB="90000000", @ANYRES16=r2, @ANYBLOB="01000000000000000000010000000c00050000030000000000000c0002000000000000000000040007800c000800000000000000000008000100000000004400078008000100", @ANYRES32, @ANYBLOB="38000100", @ANYRES32=r3, @ANYBLOB="08000100", @ANYBLOB="0800d354", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32=r4], 0x90}}, 0x0) 10:35:22 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$nbd(&(0x7f0000000380), r0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000000)) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) r4 = socket$netlink(0x10, 0x3, 0x0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000000c0)=ANY=[@ANYBLOB="90000000", @ANYRES16=r2, @ANYBLOB="01000000000000000000010000000c00050000000000000000000c00020000006c0000000000040007800c000800000000000000000008000100000000004400078008000100", @ANYRES32, @ANYBLOB="38000100", @ANYRES32=r3, @ANYBLOB="08000100", @ANYBLOB="0800d354", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32=r4], 0x90}}, 0x0) 10:35:23 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000380), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000000c0)=ANY=[@ANYBLOB="90000000", @ANYRES16=r2, @ANYBLOB="01000000000000000000010000000c00050000000000000004000c0002000000000000000000040007800c0008000000000000000000080001"], 0x90}}, 0x0) [ 3067.984650][T21729] nbd: nbd0 already in use [ 3068.036601][T21731] block nbd0: Unsupported socket: shutdown callout must be supported. [ 3068.078950][T21730] block nbd0: Unsupported socket: shutdown callout must be supported. [ 3068.130807][T21736] block nbd0: Unsupported socket: shutdown callout must be supported. [ 3068.404296][T21689] device gretap0 entered promiscuous mode [ 3068.416691][T21689] device gretap0 left promiscuous mode [ 3068.428918][T21689] ‘|‚ªu: renamed from gretap0 [ 3068.440270][T21689] ‘|‚ªu: default qdisc (pfifo_fast) fail, fallback to noqueue [ 3068.459123][T21689] A link change request failed with some changes committed already. Interface ‘|‚ªu may have been left with an inconsistent configuration, please check. [ 3068.546464][T21689] lo speed is unknown, defaulting to 1000 [ 3069.033432][T21768] device ‘|‚ªu left promiscuous mode [ 3069.039222][T21768] ‘|‚ªu: refused to change device tx_queue_len 10:35:24 executing program 5: unshare(0x40000000) mmap(&(0x7f0000000000/0xb36000)=nil, 0xb36000, 0x3, 0x8031, 0xffffffffffffffff, 0x0) unshare(0x0) r0 = socket$netlink(0x10, 0x3, 0x0) writev(r0, &(0x7f0000000080)=[{&(0x7f00000000c0)="390000001300090468fe0700000000000000ff3f04000000480100100000000004002b000a00010014a4ee1ee438d2fd000000000000007200", 0x39}], 0x1) r1 = socket$nl_route(0x10, 0x3, 0x0) sendmsg$netlink(r1, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000100)=[{&(0x7f00000001c0)=ANY=[@ANYBLOB="2800000013000100000000000000000008000000", @ANYRES32=r1, @ANYBLOB='\f\x00\x00\x00', @ANYRES32=0x0, @ANYBLOB="08000d002e14f9"], 0x28}], 0x1}, 0x0) writev(r0, &(0x7f0000000000)=[{&(0x7f0000000040)="3900000013001104680907016600000f0000ff3f04000000290a001700000000040037000a00030014917c82aa75b9a64411f6a4ee1ee438d2", 0x39}], 0x1) 10:35:24 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$nbd(&(0x7f0000000380), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000000c0)=ANY=[@ANYBLOB="90000000", @ANYRES16=r2, @ANYBLOB="01000000000000000000010000000c00050000000000070000000c0002000000000000000000040007800c0008000000000000000000080001"], 0x90}}, 0x0) 10:35:24 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$nbd(&(0x7f0000000380), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000000c0)=ANY=[@ANYBLOB="90000000", @ANYRES16=r2, @ANYBLOB="01000000000000000000010000000c00050000000000000060000c0002000000000000000000040007800c0008000000000000000000080001"], 0x90}}, 0x0) 10:35:24 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$nbd(&(0x7f0000000380), r0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000000)) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) r4 = socket$netlink(0x10, 0x3, 0x0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000000c0)=ANY=[@ANYBLOB="90000000", @ANYRES16=r2, @ANYBLOB="01000000000000000000010000000c00050000000000000000000c0002000000740000000000040007800c000800000000000000000008000100000000004400078008000100", @ANYRES32, @ANYBLOB="38000100", @ANYRES32=r3, @ANYBLOB="08000100", @ANYBLOB="0800d354", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32=r4], 0x90}}, 0x0) 10:35:24 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000380), r0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000000)) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) r4 = socket$netlink(0x10, 0x3, 0x0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000002c0)={0x0, 0x7a000000, &(0x7f0000000280)={&(0x7f00000000c0)=ANY=[@ANYBLOB="90000000", @ANYRES16=r2, @ANYBLOB="01000000000000000000010000000c00050000030000000000000c0002000000000000000000040007800c000800000000000000000008000100000000004400078008000100", @ANYRES32, @ANYBLOB="38000100", @ANYRES32=r3, @ANYBLOB="08000100", @ANYBLOB="0800d354", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32=r4], 0x90}}, 0x0) 10:35:24 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000380), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000000c0)=ANY=[@ANYBLOB="90000000", @ANYRES16=r2, @ANYBLOB="01000000000000000000010000000c00050000000000000005000c0002000000000000000000040007800c0008000000000000000000080001"], 0x90}}, 0x0) [ 3069.420891][T21776] block nbd0: Unsupported socket: shutdown callout must be supported. [ 3069.489463][T21775] block nbd0: Unsupported socket: shutdown callout must be supported. 10:35:24 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000380), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000000c0)=ANY=[@ANYBLOB="90000000", @ANYRES16=r2, @ANYBLOB="01000000000000000000010000000c00050000000000000006000c0002000000000000000000040007800c0008000000000000000000080001"], 0x90}}, 0x0) [ 3069.593600][T21787] lo speed is unknown, defaulting to 1000 10:35:24 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$nbd(&(0x7f0000000380), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000000c0)=ANY=[@ANYBLOB="90000000", @ANYRES16=r2, @ANYBLOB="01000000000000000000010000000c00050000000000000068000c0002000000000000000000040007800c0008000000000000000000080001"], 0x90}}, 0x0) 10:35:24 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$nbd(&(0x7f0000000380), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000000c0)=ANY=[@ANYBLOB="90000000", @ANYRES16=r2, @ANYBLOB="01000000000000000000010000000c00050000000000090000000c0002000000000000000000040007800c0008000000000000000000080001"], 0x90}}, 0x0) 10:35:24 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$nbd(&(0x7f0000000380), r0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000000)) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) r4 = socket$netlink(0x10, 0x3, 0x0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000000c0)=ANY=[@ANYBLOB="90000000", @ANYRES16=r2, @ANYBLOB="01000000000000000000010000000c00050000000000000000000c00020000007a0000000000040007800c000800000000000000000008000100000000004400078008000100", @ANYRES32, @ANYBLOB="38000100", @ANYRES32=r3, @ANYBLOB="08000100", @ANYBLOB="0800d354", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32=r4], 0x90}}, 0x0) 10:35:24 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000380), r0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000000)) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) r4 = socket$netlink(0x10, 0x3, 0x0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000002c0)={0x0, 0x92f577ff, &(0x7f0000000280)={&(0x7f00000000c0)=ANY=[@ANYBLOB="90000000", @ANYRES16=r2, @ANYBLOB="01000000000000000000010000000c00050000030000000000000c0002000000000000000000040007800c000800000000000000000008000100000000004400078008000100", @ANYRES32, @ANYBLOB="38000100", @ANYRES32=r3, @ANYBLOB="08000100", @ANYBLOB="0800d354", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32=r4], 0x90}}, 0x0) [ 3069.784555][T21803] nbd: nbd0 already in use [ 3069.865865][T21814] nbd: nbd0 already in use 10:35:25 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000380), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000000c0)=ANY=[@ANYBLOB="90000000", @ANYRES16=r2, @ANYBLOB="01000000000000000000010000000c00050000000000000007000c0002000000000000000000040007800c0008000000000000000000080001"], 0x90}}, 0x0) [ 3069.941862][T21821] block nbd0: Unsupported socket: shutdown callout must be supported. [ 3070.007095][T21823] block nbd0: Unsupported socket: shutdown callout must be supported. [ 3070.048422][T21827] block nbd0: Unsupported socket: shutdown callout must be supported. [ 3070.092071][T21829] block nbd0: Unsupported socket: shutdown callout must be supported. [ 3070.427151][T21787] device gretap0 entered promiscuous mode [ 3070.436591][T21787] device gretap0 left promiscuous mode [ 3070.444528][T21787] ‘|‚ªu: renamed from gretap0 [ 3070.462346][T21787] ‘|‚ªu: default qdisc (pfifo_fast) fail, fallback to noqueue [ 3070.481211][T21787] A link change request failed with some changes committed already. Interface ‘|‚ªu may have been left with an inconsistent configuration, please check. [ 3070.556172][T21787] lo speed is unknown, defaulting to 1000 10:35:26 executing program 5: unshare(0x40000000) mmap(&(0x7f0000000000/0xb36000)=nil, 0xb36000, 0x3, 0x8031, 0xffffffffffffffff, 0x0) unshare(0x0) r0 = socket$netlink(0x10, 0x3, 0x0) writev(r0, &(0x7f0000000080)=[{&(0x7f00000000c0)="390000001300090468fe0700000000000000ff3f04000000480100100000000004002b000a00010014a4ee1ee438d2fd000000000000007200", 0x39}], 0x1) r1 = socket$nl_route(0x10, 0x3, 0x0) sendmsg$netlink(r1, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000100)=[{&(0x7f00000001c0)=ANY=[@ANYBLOB="2800000013000100000000000000000008000000", @ANYRES32=r1, @ANYBLOB='\f\x00\x00\x00', @ANYRES32=0x0, @ANYBLOB="08000d002e14f9"], 0x28}], 0x1}, 0x0) writev(r0, &(0x7f0000000000)=[{&(0x7f0000000040)="3900000013001104680907026600000f0000ff3f04000000290a001700000000040037000a00030014917c82aa75b9a64411f6a4ee1ee438d2", 0x39}], 0x1) 10:35:26 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000380), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000000c0)=ANY=[@ANYBLOB="90000000", @ANYRES16=r2, @ANYBLOB="01000000000000000000010000000c000500000000000a0000000c0002000000000000000000040007800c0008000000000000000000080001"], 0x90}}, 0x0) 10:35:26 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000380), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000000c0)=ANY=[@ANYBLOB="90000000", @ANYRES16=r2, @ANYBLOB="01000000000000000000010000000c0005000000000000006c000c0002000000000000000000040007800c0008000000000000000000080001"], 0x90}}, 0x0) 10:35:26 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000380), r0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000000)) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) r4 = socket$netlink(0x10, 0x3, 0x0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000000c0)=ANY=[@ANYBLOB="90000000", @ANYRES16=r2, @ANYBLOB="01000000000000000000010000000c00050000000000000000000c0002ffffff9e0000000000040007800c000800000000000000000008000100000000004400078008000100", @ANYRES32, @ANYBLOB="38000100", @ANYRES32=r3, @ANYBLOB="08000100", @ANYBLOB="0800d354", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32=r4], 0x90}}, 0x0) 10:35:26 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$nbd(&(0x7f0000000380), r0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000000)) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) r4 = socket$netlink(0x10, 0x3, 0x0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000002c0)={0x0, 0x9effffff, &(0x7f0000000280)={&(0x7f00000000c0)=ANY=[@ANYBLOB="90000000", @ANYRES16=r2, @ANYBLOB="01000000000000000000010000000c00050000030000000000000c0002000000000000000000040007800c000800000000000000000008000100000000004400078008000100", @ANYRES32, @ANYBLOB="38000100", @ANYRES32=r3, @ANYBLOB="08000100", @ANYBLOB="0800d354", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32=r4], 0x90}}, 0x0) 10:35:26 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000380), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000000c0)=ANY=[@ANYBLOB="90000000", @ANYRES16=r2, @ANYBLOB="01000000000000000000010000000c00050000000000000009000c0002000000000000000000040007800c0008000000000000000000080001"], 0x90}}, 0x0) [ 3071.582715][T21874] __nla_validate_parse: 56 callbacks suppressed [ 3071.582735][T21874] netlink: 76 bytes leftover after parsing attributes in process `syz-executor.2'. [ 3071.643851][T21873] lo speed is unknown, defaulting to 1000 [ 3071.674592][T21875] netlink: 76 bytes leftover after parsing attributes in process `syz-executor.0'. [ 3071.716338][T21879] netlink: 76 bytes leftover after parsing attributes in process `syz-executor.3'. [ 3071.835306][T21877] netlink: 8 bytes leftover after parsing attributes in process `syz-executor.4'. [ 3071.856213][T21877] nbd: must specify a size in bytes for the device [ 3071.882930][T21878] netlink: 8 bytes leftover after parsing attributes in process `syz-executor.1'. [ 3071.901739][T21878] netlink: 4 bytes leftover after parsing attributes in process `syz-executor.1'. 10:35:27 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000380), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000000c0)=ANY=[@ANYBLOB="90000000", @ANYRES16=r2, @ANYBLOB="01000000000000000000010000000c00050000000000000074000c0002000000000000000000040007800c0008000000000000000000080001"], 0x90}}, 0x0) [ 3071.960247][T21878] netlink: 4 bytes leftover after parsing attributes in process `syz-executor.1'. [ 3072.010094][T21878] block nbd0: Unsupported socket: shutdown callout must be supported. 10:35:27 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000380), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000000c0)=ANY=[@ANYBLOB="90000000", @ANYRES16=r2, @ANYBLOB="01000000000000000000010000000c000500000000000f0000000c0002000000000000000000040007800c0008000000000000000000080001"], 0x90}}, 0x0) [ 3072.075501][T21907] netlink: 8 bytes leftover after parsing attributes in process `syz-executor.4'. [ 3072.095476][T21907] nbd: must specify a size in bytes for the device 10:35:27 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000380), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000000c0)=ANY=[@ANYBLOB="90000000", @ANYRES16=r2, @ANYBLOB="01000000000000000000010000000c0005000000000000000a000c0002000000000000000000040007800c0008000000000000000000080001"], 0x90}}, 0x0) [ 3072.133118][T21909] netlink: 76 bytes leftover after parsing attributes in process `syz-executor.2'. [ 3072.175657][T21885] netlink: 8 bytes leftover after parsing attributes in process `syz-executor.1'. 10:35:27 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000380), r0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000000)) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) r4 = socket$netlink(0x10, 0x3, 0x0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000000c0)=ANY=[@ANYBLOB="90000000", @ANYRES16=r2, @ANYBLOB="01000000000000000000010000000c00050000000000000000000c0002cc4a69b60000000000040007800c000800000000000000000008000100000000004400078008000100", @ANYRES32, @ANYBLOB="38000100", @ANYRES32=r3, @ANYBLOB="08000100", @ANYBLOB="0800d354", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32=r4], 0x90}}, 0x0) 10:35:27 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$nbd(&(0x7f0000000380), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000000c0)=ANY=[@ANYBLOB="90000000", @ANYRES16=r2, @ANYBLOB="01000000000000000000010000000c0005000000000000007a000c0002000000000000000000040007800c0008000000000000000000080001"], 0x90}}, 0x0) 10:35:27 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$nbd(&(0x7f0000000380), r0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000000)) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) r4 = socket$netlink(0x10, 0x3, 0x0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000002c0)={0x0, 0xf0ffffff, &(0x7f0000000280)={&(0x7f00000000c0)=ANY=[@ANYBLOB="90000000", @ANYRES16=r2, @ANYBLOB="01000000000000000000010000000c00050000030000000000000c0002000000000000000000040007800c000800000000000000000008000100000000004400078008000100", @ANYRES32, @ANYBLOB="38000100", @ANYRES32=r3, @ANYBLOB="08000100", @ANYBLOB="0800d354", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32=r4], 0x90}}, 0x0) [ 3072.515716][T21926] block nbd0: Unsupported socket: shutdown callout must be supported. [ 3072.580308][T21925] nbd: must specify a size in bytes for the device [ 3072.592368][T21927] block nbd0: Unsupported socket: shutdown callout must be supported. [ 3072.620318][T21928] nbd: must specify a size in bytes for the device [ 3072.632361][T21873] device gretap0 entered promiscuous mode [ 3072.655325][T21876] ‘|‚ªu: refused to change device tx_queue_len [ 3072.663806][T21924] ‘|‚ªu: renamed from gretap0 [ 3072.676071][T21924] device ‘|‚ªu left promiscuous mode [ 3072.713378][T21924] A link change request failed with some changes committed already. Interface ‘|‚ªu may have been left with an inconsistent configuration, please check. [ 3072.845617][T21873] lo speed is unknown, defaulting to 1000 [ 3072.929628][T21924] device ‘|‚ªu entered promiscuous mode 10:35:28 executing program 5: unshare(0x40000000) mmap(&(0x7f0000000000/0xb36000)=nil, 0xb36000, 0x3, 0x8031, 0xffffffffffffffff, 0x0) unshare(0x0) r0 = socket$netlink(0x10, 0x3, 0x0) writev(r0, &(0x7f0000000080)=[{&(0x7f00000000c0)="390000001300090468fe0700000000000000ff3f04000000480100100000000004002b000a00010014a4ee1ee438d2fd000000000000007200", 0x39}], 0x1) r1 = socket$nl_route(0x10, 0x3, 0x0) sendmsg$netlink(r1, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000100)=[{&(0x7f00000001c0)=ANY=[@ANYBLOB="2800000013000100000000000000000008000000", @ANYRES32=r1, @ANYBLOB='\f\x00\x00\x00', @ANYRES32=0x0, @ANYBLOB="08000d002e14f9"], 0x28}], 0x1}, 0x0) writev(r0, &(0x7f0000000000)=[{&(0x7f0000000040)="3900000013001104680907166600000f0000ff3f04000000290a001700000000040037000a00030014917c82aa75b9a64411f6a4ee1ee438d2", 0x39}], 0x1) 10:35:28 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$nbd(&(0x7f0000000380), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000000c0)=ANY=[@ANYBLOB="90000000", @ANYRES16=r2, @ANYBLOB="01000000000000000000010000000c00050000000000480000000c0002000000000000000000040007800c0008000000000000000000080001"], 0x90}}, 0x0) 10:35:28 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$nbd(&(0x7f0000000380), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000000c0)=ANY=[@ANYBLOB="90000000", @ANYRES16=r2, @ANYBLOB="01000000000000000000010000000c000500000000000000f0000c0002000000000000000000040007800c0008000000000000000000080001"], 0x90}}, 0x0) 10:35:28 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000380), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000000c0)=ANY=[@ANYBLOB="90000000", @ANYRES16=r2, @ANYBLOB="01000000000000000000010000000c0005000000000000000f000c0002000000000000000000040007800c0008000000000000000000080001"], 0x90}}, 0x0) 10:35:28 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$nbd(&(0x7f0000000380), r0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000000)) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) r4 = socket$netlink(0x10, 0x3, 0x0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000002c0)={0x0, 0xff77f592, &(0x7f0000000280)={&(0x7f00000000c0)=ANY=[@ANYBLOB="90000000", @ANYRES16=r2, @ANYBLOB="01000000000000000000010000000c00050000030000000000000c0002000000000000000000040007800c000800000000000000000008000100000000004400078008000100", @ANYRES32, @ANYBLOB="38000100", @ANYRES32=r3, @ANYBLOB="08000100", @ANYBLOB="0800d354", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32=r4], 0x90}}, 0x0) 10:35:28 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000380), r0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000000)) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) r4 = socket$netlink(0x10, 0x3, 0x0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000000c0)=ANY=[@ANYBLOB="90000000", @ANYRES16=r2, @ANYBLOB="01000000000000000000010000000c00050000000000000000000c0002b6694acc0000000000040007800c000800000000000000000008000100000000004400078008000100", @ANYRES32, @ANYBLOB="38000100", @ANYRES32=r3, @ANYBLOB="08000100", @ANYBLOB="0800d354", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32=r4], 0x90}}, 0x0) [ 3073.527628][T21964] nbd: must specify a size in bytes for the device [ 3073.554584][T21967] block nbd0: Unsupported socket: shutdown callout must be supported. 10:35:28 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$nbd(&(0x7f0000000380), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000000c0)=ANY=[@ANYBLOB="90000000", @ANYRES16=r2, @ANYBLOB="01000000000000000000010000000c000500000000004c0000000c0002000000000000000000040007800c0008000000000000000000080001"], 0x90}}, 0x0) 10:35:28 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$nbd(&(0x7f0000000380), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000000c0)=ANY=[@ANYBLOB="90000000", @ANYRES16=r2, @ANYBLOB="01000000000000000000010000000c00050000000000000000030c0002000000000000000000040007800c0008000000000000000000080001"], 0x90}}, 0x0) [ 3073.614757][T21973] nbd: must specify a size in bytes for the device 10:35:28 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000380), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000000c0)=ANY=[@ANYBLOB="90000000", @ANYRES16=r2, @ANYBLOB="01000000000000000000010000000c00050000000000000048000c0002000000000000000000040007800c0008000000000000000000080001"], 0x90}}, 0x0) [ 3073.667977][T21974] block nbd0: Unsupported socket: shutdown callout must be supported. [ 3073.676605][T21972] lo speed is unknown, defaulting to 1000 10:35:28 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$nbd(&(0x7f0000000380), r0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000000)) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) r4 = socket$netlink(0x10, 0x3, 0x0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000000c0)=ANY=[@ANYBLOB="90000000", @ANYRES16=r2, @ANYBLOB="01000000000000000000010000000c00050000000000000000000c0002fffffff00000000000040007800c000800000000000000000008000100000000004400078008000100", @ANYRES32, @ANYBLOB="38000100", @ANYRES32=r3, @ANYBLOB="08000100", @ANYBLOB="0800d354", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32=r4], 0x90}}, 0x0) 10:35:29 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000380), r0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000000)) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) r4 = socket$netlink(0x10, 0x3, 0x0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000002c0)={0x0, 0xfffff000, &(0x7f0000000280)={&(0x7f00000000c0)=ANY=[@ANYBLOB="90000000", @ANYRES16=r2, @ANYBLOB="01000000000000000000010000000c00050000030000000000000c0002000000000000000000040007800c000800000000000000000008000100000000004400078008000100", @ANYRES32, @ANYBLOB="38000100", @ANYRES32=r3, @ANYBLOB="08000100", @ANYBLOB="0800d354", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32=r4], 0x90}}, 0x0) 10:35:29 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$nbd(&(0x7f0000000380), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000000c0)=ANY=[@ANYBLOB="90000000", @ANYRES16=r2, @ANYBLOB="01000000000000000000010000000c00050000000000600000000c0002000000000000000000040007800c0008000000000000000000080001"], 0x90}}, 0x0) [ 3074.034678][T22008] nbd: must specify a size in bytes for the device [ 3074.104049][T22012] nbd: must specify a size in bytes for the device [ 3074.138646][T22010] block nbd0: Unsupported socket: shutdown callout must be supported. [ 3074.237089][T22015] block nbd0: Unsupported socket: shutdown callout must be supported. [ 3074.470736][T21972] device gretap0 entered promiscuous mode [ 3074.486123][T21972] device gretap0 left promiscuous mode [ 3074.506770][T21972] ‘|‚ªu: renamed from gretap0 [ 3074.528346][T21972] ‘|‚ªu: default qdisc (pfifo_fast) fail, fallback to noqueue [ 3074.564568][T21972] A link change request failed with some changes committed already. Interface ‘|‚ªu may have been left with an inconsistent configuration, please check. [ 3074.637966][T21972] lo speed is unknown, defaulting to 1000 [ 3074.762882][T22040] device ‘|‚ªu left promiscuous mode [ 3074.768593][T22040] ‘|‚ªu: refused to change device tx_queue_len 10:35:30 executing program 5: unshare(0x40000000) mmap(&(0x7f0000000000/0xb36000)=nil, 0xb36000, 0x3, 0x8031, 0xffffffffffffffff, 0x0) unshare(0x0) r0 = socket$netlink(0x10, 0x3, 0x0) writev(r0, &(0x7f0000000080)=[{&(0x7f00000000c0)="390000001300090468fe0700000000000000ff3f04000000480100100000000004002b000a00010014a4ee1ee438d2fd000000000000007200", 0x39}], 0x1) r1 = socket$nl_route(0x10, 0x3, 0x0) sendmsg$netlink(r1, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000100)=[{&(0x7f00000001c0)=ANY=[@ANYBLOB="2800000013000100000000000000000008000000", @ANYRES32=r1, @ANYBLOB='\f\x00\x00\x00', @ANYRES32=0x0, @ANYBLOB="08000d002e14f9"], 0x28}], 0x1}, 0x0) writev(r0, &(0x7f0000000000)=[{&(0x7f0000000040)="3900000013001104680907166700000f0000ff3f04000000290a001700000000040037000a00030014917c82aa75b9a64411f6a4ee1ee438d2", 0x39}], 0x1) 10:35:30 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000380), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000000c0)=ANY=[@ANYBLOB="90000000", @ANYRES16=r2, @ANYBLOB="01000000000000000000010000000c00050000000000000000050c0002000000000000000000040007800c0008000000000000000000080001"], 0x90}}, 0x0) 10:35:30 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000380), r0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000000)) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) r4 = socket$netlink(0x10, 0x3, 0x0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000000c0)=ANY=[@ANYBLOB="90000000", @ANYRES16=r2, @ANYBLOB="01000000000000000000010000000c00050000000000000000000c000200f0ffff0000000000040007800c000800000000000000000008000100000000004400078008000100", @ANYRES32, @ANYBLOB="38000100", @ANYRES32=r3, @ANYBLOB="08000100", @ANYBLOB="0800d354", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32=r4], 0x90}}, 0x0) 10:35:30 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000380), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000000c0)=ANY=[@ANYBLOB="90000000", @ANYRES16=r2, @ANYBLOB="01000000000000000000010000000c0005000000000000004c000c0002000000000000000000040007800c0008000000000000000000080001"], 0x90}}, 0x0) 10:35:30 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$nbd(&(0x7f0000000380), r0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000000)) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) r4 = socket$netlink(0x10, 0x3, 0x0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000002c0)={0x0, 0xffffff7f, &(0x7f0000000280)={&(0x7f00000000c0)=ANY=[@ANYBLOB="90000000", @ANYRES16=r2, @ANYBLOB="01000000000000000000010000000c00050000030000000000000c0002000000000000000000040007800c000800000000000000000008000100000000004400078008000100", @ANYRES32, @ANYBLOB="38000100", @ANYRES32=r3, @ANYBLOB="08000100", @ANYBLOB="0800d354", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32=r4], 0x90}}, 0x0) 10:35:30 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000380), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000000c0)=ANY=[@ANYBLOB="90000000", @ANYRES16=r2, @ANYBLOB="01000000000000000000010000000c00050000000000680000000c0002000000000000000000040007800c0008000000000000000000080001"], 0x90}}, 0x0) [ 3075.165758][T22052] block nbd0: Unsupported socket: shutdown callout must be supported. [ 3075.255217][T22054] block nbd0: Unsupported socket: shutdown callout must be supported. [ 3075.291064][T22063] block nbd0: Unsupported socket: shutdown callout must be supported. 10:35:30 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000380), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000000c0)=ANY=[@ANYBLOB="90000000", @ANYRES16=r2, @ANYBLOB="01000000000000000000010000000c00050000000000000060000c0002000000000000000000040007800c0008000000000000000000080001"], 0x90}}, 0x0) 10:35:30 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000380), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000000c0)=ANY=[@ANYBLOB="90000000", @ANYRES16=r2, @ANYBLOB="01000000000000000000010000000c000500000000006c0000000c0002000000000000000000040007800c0008000000000000000000080001"], 0x90}}, 0x0) 10:35:30 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000380), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000000c0)=ANY=[@ANYBLOB="90000000", @ANYRES16=r2, @ANYBLOB="01000000000000000000010000000c00050000000000000000060c0002000000000000000000040007800c0008000000000000000000080001"], 0x90}}, 0x0) [ 3075.371788][T22060] lo speed is unknown, defaulting to 1000 10:35:30 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000380), r0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000000)) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) r4 = socket$netlink(0x10, 0x3, 0x0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000000c0)=ANY=[@ANYBLOB="90000000", @ANYRES16=r2, @ANYBLOB="01000000000000000000010000000c00050000000000000000000c00027fffffff0000000000040007800c000800000000000000000008000100000000004400078008000100", @ANYRES32, @ANYBLOB="38000100", @ANYRES32=r3, @ANYBLOB="08000100", @ANYBLOB="0800d354", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32=r4], 0x90}}, 0x0) 10:35:30 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$nbd(&(0x7f0000000380), r0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000000)) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) r4 = socket$netlink(0x10, 0x3, 0x0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000002c0)={0x0, 0xffffff9e, &(0x7f0000000280)={&(0x7f00000000c0)=ANY=[@ANYBLOB="90000000", @ANYRES16=r2, @ANYBLOB="01000000000000000000010000000c00050000030000000000000c0002000000000000000000040007800c000800000000000000000008000100000000004400078008000100", @ANYRES32, @ANYBLOB="38000100", @ANYRES32=r3, @ANYBLOB="08000100", @ANYBLOB="0800d354", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32=r4], 0x90}}, 0x0) 10:35:30 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000380), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000000c0)=ANY=[@ANYBLOB="90000000", @ANYRES16=r2, @ANYBLOB="01000000000000000000010000000c00050000000000740000000c0002000000000000000000040007800c0008000000000000000000080001"], 0x90}}, 0x0) [ 3075.750488][T22103] nbd: must specify a size in bytes for the device [ 3075.789847][T22100] block nbd0: Unsupported socket: shutdown callout must be supported. [ 3075.838903][T22106] nbd: must specify a size in bytes for the device [ 3075.857066][T22108] block nbd0: Unsupported socket: shutdown callout must be supported. [ 3076.207353][T22060] device gretap0 entered promiscuous mode [ 3076.215896][T22060] device gretap0 left promiscuous mode [ 3076.241641][T22060] ‘|‚ªu: renamed from gretap0 [ 3076.264632][T22060] ‘|‚ªu: default qdisc (pfifo_fast) fail, fallback to noqueue [ 3076.285354][T22060] A link change request failed with some changes committed already. Interface ‘|‚ªu may have been left with an inconsistent configuration, please check. [ 3076.346845][T22060] lo speed is unknown, defaulting to 1000 [ 3076.450556][T22112] device ‘|‚ªu entered promiscuous mode 10:35:31 executing program 5: unshare(0x40000000) mmap(&(0x7f0000000000/0xb36000)=nil, 0xb36000, 0x3, 0x8031, 0xffffffffffffffff, 0x0) unshare(0x0) r0 = socket$netlink(0x10, 0x3, 0x0) writev(r0, &(0x7f0000000080)=[{&(0x7f00000000c0)="390000001300090468fe0700000000000000ff3f04000000480100100000000004002b000a00010014a4ee1ee438d2fd000000000000007200", 0x39}], 0x1) r1 = socket$nl_route(0x10, 0x3, 0x0) sendmsg$netlink(r1, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000100)=[{&(0x7f00000001c0)=ANY=[@ANYBLOB="2800000013000100000000000000000008000000", @ANYRES32=r1, @ANYBLOB='\f\x00\x00\x00', @ANYRES32=0x0, @ANYBLOB="08000d002e14f9"], 0x28}], 0x1}, 0x0) writev(r0, &(0x7f0000000000)=[{&(0x7f0000000040)="3900000013001104680907006800000f0000ff3f04000000290a001700000000040037000a00030014917c82aa75b9a64411f6a4ee1ee438d2", 0x39}], 0x1) 10:35:31 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$nbd(&(0x7f0000000380), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000000c0)=ANY=[@ANYBLOB="90000000", @ANYRES16=r2, @ANYBLOB="01000000000000000000010000000c00050000000000000000070c0002000000000000000000040007800c0008000000000000000000080001"], 0x90}}, 0x0) 10:35:31 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000380), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000000c0)=ANY=[@ANYBLOB="90000000", @ANYRES16=r2, @ANYBLOB="01000000000000000000010000000c00050000000000000068000c0002000000000000000000040007800c0008000000000000000000080001"], 0x90}}, 0x0) 10:35:31 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$nbd(&(0x7f0000000380), r0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000000)) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) r4 = socket$netlink(0x10, 0x3, 0x0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000000c0)=ANY=[@ANYBLOB="90000000", @ANYRES16=r2, @ANYBLOB="01000000000000000000010000000c00050000000000000000000c00029effffff0000000000040007800c000800000000000000000008000100000000004400078008000100", @ANYRES32, @ANYBLOB="38000100", @ANYRES32=r3, @ANYBLOB="08000100", @ANYBLOB="0800d354", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32=r4], 0x90}}, 0x0) 10:35:31 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000380), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000000c0)=ANY=[@ANYBLOB="90000000", @ANYRES16=r2, @ANYBLOB="01000000000000000000010000000c000500000000007a0000000c0002000000000000000000040007800c0008000000000000000000080001"], 0x90}}, 0x0) 10:35:31 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000380), r0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000000)) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) r4 = socket$netlink(0x10, 0x3, 0x0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000002c0)={0x0, 0xfffffff0, &(0x7f0000000280)={&(0x7f00000000c0)=ANY=[@ANYBLOB="90000000", @ANYRES16=r2, @ANYBLOB="01000000000000000000010000000c00050000030000000000000c0002000000000000000000040007800c000800000000000000000008000100000000004400078008000100", @ANYRES32, @ANYBLOB="38000100", @ANYRES32=r3, @ANYBLOB="08000100", @ANYBLOB="0800d354", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32=r4], 0x90}}, 0x0) [ 3076.803857][T22144] __nla_validate_parse: 74 callbacks suppressed [ 3076.803878][T22144] netlink: 8 bytes leftover after parsing attributes in process `syz-executor.1'. [ 3076.871936][T22144] netlink: 4 bytes leftover after parsing attributes in process `syz-executor.1'. [ 3076.890998][T22144] netlink: 4 bytes leftover after parsing attributes in process `syz-executor.1'. [ 3076.906672][T22144] block nbd0: Unsupported socket: shutdown callout must be supported. [ 3076.947170][T22152] lo speed is unknown, defaulting to 1000 [ 3076.978053][T22154] netlink: 8 bytes leftover after parsing attributes in process `syz-executor.4'. 10:35:32 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$nbd(&(0x7f0000000380), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000000c0)=ANY=[@ANYBLOB="90000000", @ANYRES16=r2, @ANYBLOB="01000000000000000000010000000c00050000000000f00000000c0002000000000000000000040007800c0008000000000000000000080001"], 0x90}}, 0x0) [ 3077.009647][T22154] nbd: must specify a size in bytes for the device 10:35:32 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000380), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000000c0)=ANY=[@ANYBLOB="90000000", @ANYRES16=r2, @ANYBLOB="01000000000000000000010000000c0005000000000000006c000c0002000000000000000000040007800c0008000000000000000000080001"], 0x90}}, 0x0) 10:35:32 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$nbd(&(0x7f0000000380), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000000c0)=ANY=[@ANYBLOB="90000000", @ANYRES16=r2, @ANYBLOB="01000000000000000000010000000c00050000000000000000090c0002000000000000000000040007800c0008000000000000000000080001"], 0x90}}, 0x0) [ 3077.050462][T22159] netlink: 8 bytes leftover after parsing attributes in process `syz-executor.1'. [ 3077.081957][T22159] netlink: 4 bytes leftover after parsing attributes in process `syz-executor.1'. 10:35:32 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$nbd(&(0x7f0000000380), r0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000000)) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) r4 = socket$netlink(0x10, 0x3, 0x0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000000c0)=ANY=[@ANYBLOB="90000000", @ANYRES16=r2, @ANYBLOB="01000000000000000000010000000c00050000000000000000000c0002f0ffffff0000000000040007800c000800000000000000000008000100000000004400078008000100", @ANYRES32, @ANYBLOB="38000100", @ANYRES32=r3, @ANYBLOB="08000100", @ANYBLOB="0800d354", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32=r4], 0x90}}, 0x0) [ 3077.176260][T22159] netlink: 4 bytes leftover after parsing attributes in process `syz-executor.1'. [ 3077.254675][T22175] netlink: 76 bytes leftover after parsing attributes in process `syz-executor.0'. 10:35:32 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000380), r0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000000)) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) r4 = socket$netlink(0x10, 0x3, 0x0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000002c0)={0x0, 0xffffffff, &(0x7f0000000280)={&(0x7f00000000c0)=ANY=[@ANYBLOB="90000000", @ANYRES16=r2, @ANYBLOB="01000000000000000000010000000c00050000030000000000000c0002000000000000000000040007800c000800000000000000000008000100000000004400078008000100", @ANYRES32, @ANYBLOB="38000100", @ANYRES32=r3, @ANYBLOB="08000100", @ANYBLOB="0800d354", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32=r4], 0x90}}, 0x0) [ 3077.313799][T22179] netlink: 76 bytes leftover after parsing attributes in process `syz-executor.3'. 10:35:32 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$nbd(&(0x7f0000000380), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000000c0)=ANY=[@ANYBLOB="90000000", @ANYRES16=r2, @ANYBLOB="01000000000000000000010000000c000500000000000000000a0c0002000000000000000000040007800c0008000000000000000000080001"], 0x90}}, 0x0) [ 3077.403096][T22189] netlink: 8 bytes leftover after parsing attributes in process `syz-executor.4'. [ 3077.467358][T22189] nbd: must specify a size in bytes for the device [ 3077.524084][T22193] nbd: must specify a size in bytes for the device [ 3077.564140][T22191] block nbd0: Unsupported socket: shutdown callout must be supported. [ 3077.640610][T22197] block nbd0: Unsupported socket: shutdown callout must be supported. [ 3077.837899][T22152] device gretap0 entered promiscuous mode [ 3077.847940][T22152] device gretap0 left promiscuous mode [ 3077.863748][T22152] ‘|‚ªu: renamed from gretap0 [ 3077.879631][T22152] ‘|‚ªu: default qdisc (pfifo_fast) fail, fallback to noqueue [ 3077.902071][T22152] A link change request failed with some changes committed already. Interface ‘|‚ªu may have been left with an inconsistent configuration, please check. [ 3077.977720][T22152] lo speed is unknown, defaulting to 1000 [ 3078.087715][T22214] device ‘|‚ªu left promiscuous mode [ 3078.124927][T22214] ‘|‚ªu: refused to change device tx_queue_len 10:35:34 executing program 5: unshare(0x40000000) mmap(&(0x7f0000000000/0xb36000)=nil, 0xb36000, 0x3, 0x8031, 0xffffffffffffffff, 0x0) unshare(0x0) r0 = socket$netlink(0x10, 0x3, 0x0) writev(r0, &(0x7f0000000080)=[{&(0x7f00000000c0)="390000001300090468fe0700000000000000ff3f04000000480100100000000004002b000a00010014a4ee1ee438d2fd000000000000007200", 0x39}], 0x1) r1 = socket$nl_route(0x10, 0x3, 0x0) sendmsg$netlink(r1, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000100)=[{&(0x7f00000001c0)=ANY=[@ANYBLOB="2800000013000100000000000000000008000000", @ANYRES32=r1, @ANYBLOB='\f\x00\x00\x00', @ANYRES32=0x0, @ANYBLOB="08000d002e14f9"], 0x28}], 0x1}, 0x0) writev(r0, &(0x7f0000000000)=[{&(0x7f0000000040)="3900000013001104680907026900000f0000ff3f04000000290a001700000000040037000a00030014917c82aa75b9a64411f6a4ee1ee438d2", 0x39}], 0x1) 10:35:34 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000380), r0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000000)) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) r4 = socket$netlink(0x10, 0x3, 0x0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000000c0)=ANY=[@ANYBLOB="0f000000", @ANYRES16=r2, @ANYBLOB="01000000000000000000010000000c00050000030000000000000c0002000000000000000000040007800c000800000000000000000008000100000000004400078008000100", @ANYRES32, @ANYBLOB="38000100", @ANYRES32=r3, @ANYBLOB="08000100", @ANYBLOB="0800d354", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32=r4], 0x90}}, 0x0) 10:35:34 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$nbd(&(0x7f0000000380), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000000c0)=ANY=[@ANYBLOB="90000000", @ANYRES16=r2, @ANYBLOB="01000000000000000000010000000c00050000000000000300000c0002000000000000000000040007800c0008000000000000000000080001"], 0x90}}, 0x0) 10:35:34 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000380), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000000c0)=ANY=[@ANYBLOB="90000000", @ANYRES16=r2, @ANYBLOB="01000000000000000000010000000c00050000000000000074000c0002000000000000000000040007800c0008000000000000000000080001"], 0x90}}, 0x0) 10:35:34 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$nbd(&(0x7f0000000380), r0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000000)) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) r4 = socket$netlink(0x10, 0x3, 0x0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000000c0)=ANY=[@ANYBLOB="90000000", @ANYRES16=r2, @ANYBLOB="01000000000000000000010000000c00050000000000000000000c0002000000000000030000040007800c000800000000000000000008000100000000004400078008000100", @ANYRES32, @ANYBLOB="38000100", @ANYRES32=r3, @ANYBLOB="08000100", @ANYBLOB="0800d354", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32=r4], 0x90}}, 0x0) 10:35:34 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000380), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000000c0)=ANY=[@ANYBLOB="90000000", @ANYRES16=r2, @ANYBLOB="01000000000000000000010000000c000500000000000000000f0c0002000000000000000000040007800c0008000000000000000000080001"], 0x90}}, 0x0) [ 3079.847236][T22240] block nbd0: Unsupported socket: shutdown callout must be supported. 10:35:35 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000380), r0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000000)) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) r4 = socket$netlink(0x10, 0x3, 0x0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000000c0)=ANY=[@ANYBLOB="14000000", @ANYRES16=r2, @ANYBLOB="01000000000000000000010000000c00050000030000000000000c0002000000000000000000040007800c000800000000000000000008000100000000004400078008000100", @ANYRES32, @ANYBLOB="38000100", @ANYRES32=r3, @ANYBLOB="08000100", @ANYBLOB="0800d354", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32=r4], 0x90}}, 0x0) [ 3079.929885][T22248] block nbd0: Unsupported socket: shutdown callout must be supported. 10:35:35 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$nbd(&(0x7f0000000380), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000000c0)=ANY=[@ANYBLOB="90000000", @ANYRES16=r2, @ANYBLOB="01000000000000000000010000000c000500000000000000001f0c0002000000000000000000040007800c0008000000000000000000080001"], 0x90}}, 0x0) 10:35:35 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$nbd(&(0x7f0000000380), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000000c0)=ANY=[@ANYBLOB="90000000", @ANYRES16=r2, @ANYBLOB="01000000000000000000010000000c00050000000000000500000c0002000000000000000000040007800c0008000000000000000000080001"], 0x90}}, 0x0) 10:35:35 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000380), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000000c0)=ANY=[@ANYBLOB="90000000", @ANYRES16=r2, @ANYBLOB="01000000000000000000010000000c0005000000000000007a000c0002000000000000000000040007800c0008000000000000000000080001"], 0x90}}, 0x0) [ 3079.972763][T22246] lo speed is unknown, defaulting to 1000 [ 3080.068722][T22255] nbd: must specify at least one socket 10:35:35 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$nbd(&(0x7f0000000380), r0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000000)) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) r4 = socket$netlink(0x10, 0x3, 0x0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000000c0)=ANY=[@ANYBLOB="90000000", @ANYRES16=r2, @ANYBLOB="01000000000000000000010000000c00050000000000000000000c0002fffffffffffff00000040007800c000800000000000000000008000100000000004400078008000100", @ANYRES32, @ANYBLOB="38000100", @ANYRES32=r3, @ANYBLOB="08000100", @ANYBLOB="0800d354", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32=r4], 0x90}}, 0x0) [ 3080.127504][T22266] nbd: must specify at least one socket 10:35:35 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000380), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000000c0)=ANY=[@ANYBLOB="90000000", @ANYRES16=r2, @ANYBLOB="01000000000000000000010000000c00050000000000000000200c0002000000000000000000040007800c0008000000000000000000080001"], 0x90}}, 0x0) [ 3080.354992][T22286] nbd: must specify a size in bytes for the device [ 3080.385062][T22289] nbd: must specify a size in bytes for the device [ 3080.743315][T22246] device gretap0 entered promiscuous mode [ 3080.755950][T22246] device gretap0 left promiscuous mode [ 3080.781739][T22246] ‘|‚ªu: renamed from gretap0 [ 3080.804738][T22246] ‘|‚ªu: default qdisc (pfifo_fast) fail, fallback to noqueue [ 3080.838839][T22246] A link change request failed with some changes committed already. Interface ‘|‚ªu may have been left with an inconsistent configuration, please check. [ 3080.896904][T22246] lo speed is unknown, defaulting to 1000 [ 3081.019508][T22293] device ‘|‚ªu entered promiscuous mode [ 3081.383614][ T1360] ieee802154 phy0 wpan0: encryption failed: -22 [ 3081.389962][ T1360] ieee802154 phy1 wpan1: encryption failed: -22 [ 3081.473391][T22322] device ‘|‚ªu left promiscuous mode [ 3081.479411][T22322] ‘|‚ªu: refused to change device tx_queue_len 10:35:36 executing program 5: unshare(0x40000000) mmap(&(0x7f0000000000/0xb36000)=nil, 0xb36000, 0x3, 0x8031, 0xffffffffffffffff, 0x0) unshare(0x0) r0 = socket$netlink(0x10, 0x3, 0x0) writev(r0, &(0x7f0000000080)=[{&(0x7f00000000c0)="390000001300090468fe0700000000000000ff3f04000000480100100000000004002b000a00010014a4ee1ee438d2fd000000000000007200", 0x39}], 0x1) r1 = socket$nl_route(0x10, 0x3, 0x0) sendmsg$netlink(r1, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000100)=[{&(0x7f00000001c0)=ANY=[@ANYBLOB="2800000013000100000000000000000008000000", @ANYRES32=r1, @ANYBLOB='\f\x00\x00\x00', @ANYRES32=0x0, @ANYBLOB="08000d002e14f9"], 0x28}], 0x1}, 0x0) writev(r0, &(0x7f0000000000)=[{&(0x7f0000000040)="3900000013001104680907026a00000f0000ff3f04000000290a001700000000040037000a00030014917c82aa75b9a64411f6a4ee1ee438d2", 0x39}], 0x1) 10:35:36 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$nbd(&(0x7f0000000380), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000000c0)=ANY=[@ANYBLOB="90000000", @ANYRES16=r2, @ANYBLOB="01000000000000000000010000000c00050000000000000600000c0002000000000000000000040007800c0008000000000000000000080001"], 0x90}}, 0x0) 10:35:36 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$nbd(&(0x7f0000000380), r0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000000)) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) r4 = socket$netlink(0x10, 0x3, 0x0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000000c0)=ANY=[@ANYBLOB="c0000000", @ANYRES16=r2, @ANYBLOB="01000000000000000000010000000c00050000030000000000000c0002000000000000000000040007800c000800000000000000000008000100000000004400078008000100", @ANYRES32, @ANYBLOB="38000100", @ANYRES32=r3, @ANYBLOB="08000100", @ANYBLOB="0800d354", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32=r4], 0x90}}, 0x0) 10:35:36 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000380), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000000c0)=ANY=[@ANYBLOB="90000000", @ANYRES16=r2, @ANYBLOB="01000000000000000000010000000c000500000000000000f0000c0002000000000000000000040007800c0008000000000000000000080001"], 0x90}}, 0x0) 10:35:36 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000380), r0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000000)) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) r4 = socket$netlink(0x10, 0x3, 0x0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000000c0)=ANY=[@ANYBLOB="90000000", @ANYRES16=r2, @ANYBLOB="01000000000000000000010000000c00050000000000000000000c0002000000000000000100040007800c000800000000000000000008000100000000004400078008000100", @ANYRES32, @ANYBLOB="38000100", @ANYRES32=r3, @ANYBLOB="08000100", @ANYBLOB="0800d354", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32=r4], 0x90}}, 0x0) 10:35:36 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$nbd(&(0x7f0000000380), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000000c0)=ANY=[@ANYBLOB="90000000", @ANYRES16=r2, @ANYBLOB="01000000000000000000010000000c000500000000000000003f0c0002000000000000000000040007800c0008000000000000000000080001"], 0x90}}, 0x0) [ 3081.842571][T22329] __nla_validate_parse: 27 callbacks suppressed [ 3081.842590][T22329] netlink: 8 bytes leftover after parsing attributes in process `syz-executor.4'. [ 3081.904028][T22329] netlink: 4 bytes leftover after parsing attributes in process `syz-executor.4'. [ 3081.938162][T22329] netlink: 4 bytes leftover after parsing attributes in process `syz-executor.4'. [ 3081.962164][T22336] lo speed is unknown, defaulting to 1000 [ 3081.976394][T22329] block nbd0: Unsupported socket: shutdown callout must be supported. [ 3082.097646][T22351] netlink: 8 bytes leftover after parsing attributes in process `syz-executor.4'. 10:35:37 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000380), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000000c0)=ANY=[@ANYBLOB="90000000", @ANYRES16=r2, @ANYBLOB="01000000000000000000010000000c00050000000000000000030c0002000000000000000000040007800c0008000000000000000000080001"], 0x90}}, 0x0) 10:35:37 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$nbd(&(0x7f0000000380), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000000c0)=ANY=[@ANYBLOB="90000000", @ANYRES16=r2, @ANYBLOB="01000000000000000000010000000c00050000000000000700000c0002000000000000000000040007800c0008000000000000000000080001"], 0x90}}, 0x0) 10:35:37 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$nbd(&(0x7f0000000380), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000000c0)=ANY=[@ANYBLOB="90000000", @ANYRES16=r2, @ANYBLOB="01000000000000000000010000000c00050000000000000000480c0002000000000000000000040007800c0008000000000000000000080001"], 0x90}}, 0x0) [ 3082.180318][T22351] nbd: nbd0 already in use 10:35:37 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_genetlink_get_family_id$nbd(&(0x7f0000000380), r0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000000)) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) r4 = socket$netlink(0x10, 0x3, 0x0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000000c0)=ANY=[@ANYBLOB="c00e0000", @ANYRES16=r2, @ANYBLOB="01000000000000000000010000000c00050000030000000000000c0002000000000000000000040007800c000800000000000000000008000100000000004400078008000100", @ANYRES32, @ANYBLOB="38000100", @ANYRES32=r3, @ANYBLOB="08000100", @ANYBLOB="0800d354", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32=r4], 0x90}}, 0x0) 10:35:37 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000380), r0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000000)) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) r4 = socket$netlink(0x10, 0x3, 0x0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000000c0)=ANY=[@ANYBLOB="90000000", @ANYRES16=r2, @ANYBLOB="01000000000000000000010000000c00050000000000000000000c0002000000000000000200040007800c000800000000000000000008000100000000004400078008000100", @ANYRES32, @ANYBLOB="38000100", @ANYRES32=r3, @ANYBLOB="08000100", @ANYBLOB="0800d354", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32=r4], 0x90}}, 0x0) [ 3082.382878][T22370] netlink: 76 bytes leftover after parsing attributes in process `syz-executor.0'. [ 3082.439472][T22372] netlink: 76 bytes leftover after parsing attributes in process `syz-executor.3'. 10:35:37 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$nbd(&(0x7f0000000380), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000000c0)=ANY=[@ANYBLOB="90000000", @ANYRES16=r2, @ANYBLOB="01000000000000000000010000000c000500000000000000004c0c0002000000000000000000040007800c0008000000000000000000080001"], 0x90}}, 0x0) [ 3082.572310][T22379] netlink: 8 bytes leftover after parsing attributes in process `syz-executor.4'. [ 3082.614332][T22379] netlink: 4 bytes leftover after parsing attributes in process `syz-executor.4'. [ 3082.637361][T22379] netlink: 4 bytes leftover after parsing attributes in process `syz-executor.4'. [ 3082.702755][T22379] block nbd0: Unsupported socket: shutdown callout must be supported. [ 3082.758276][T22384] netlink: 76 bytes leftover after parsing attributes in process `syz-executor.2'. [ 3082.788769][T22385] block nbd0: Unsupported socket: shutdown callout must be supported. [ 3082.901352][T22336] device gretap0 entered promiscuous mode [ 3082.934590][T22336] device gretap0 left promiscuous mode [ 3082.960414][T22336] ‘|‚ªu: renamed from gretap0 [ 3082.984340][T22336] ‘|‚ªu: default qdisc (pfifo_fast) fail, fallback to noqueue [ 3083.008412][T22336] A link change request failed with some changes committed already. Interface ‘|‚ªu may have been left with an inconsistent configuration, please check. [ 3083.082468][T22336] lo speed is unknown, defaulting to 1000 [ 3083.216737][T22388] device ‘|‚ªu entered promiscuous mode [ 3083.707406][T22417] device ‘|‚ªu left promiscuous mode [ 3083.713877][T22417] ‘|‚ªu: refused to change device tx_queue_len 10:35:39 executing program 5: unshare(0x40000000) mmap(&(0x7f0000000000/0xb36000)=nil, 0xb36000, 0x3, 0x8031, 0xffffffffffffffff, 0x0) unshare(0x0) r0 = socket$netlink(0x10, 0x3, 0x0) writev(r0, &(0x7f0000000080)=[{&(0x7f00000000c0)="390000001300090468fe0700000000000000ff3f04000000480100100000000004002b000a00010014a4ee1ee438d2fd000000000000007200", 0x39}], 0x1) r1 = socket$nl_route(0x10, 0x3, 0x0) sendmsg$netlink(r1, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000100)=[{&(0x7f00000001c0)=ANY=[@ANYBLOB="2800000013000100000000000000000008000000", @ANYRES32=r1, @ANYBLOB='\f\x00\x00\x00', @ANYRES32=0x0, @ANYBLOB="08000d002e14f9"], 0x28}], 0x1}, 0x0) writev(r0, &(0x7f0000000000)=[{&(0x7f0000000040)="3900000013001104680907006c00000f0000ff3f04000000290a001700000000040037000a00030014917c82aa75b9a64411f6a4ee1ee438d2", 0x39}], 0x1) 10:35:39 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000380), r0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000000)) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) r4 = socket$netlink(0x10, 0x3, 0x0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000000c0)=ANY=[@ANYBLOB="e03f0300", @ANYRES16=r2, @ANYBLOB="01000000000000000000010000000c00050000030000000000000c0002000000000000000000040007800c000800000000000000000008000100000000004400078008000100", @ANYRES32, @ANYBLOB="38000100", @ANYRES32=r3, @ANYBLOB="08000100", @ANYBLOB="0800d354", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32=r4], 0x90}}, 0x0) 10:35:39 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$nbd(&(0x7f0000000380), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000000c0)=ANY=[@ANYBLOB="90000000", @ANYRES16=r2, @ANYBLOB="01000000000000000000010000000c00050000000000000900000c0002000000000000000000040007800c0008000000000000000000080001"], 0x90}}, 0x0) 10:35:39 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000380), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000000c0)=ANY=[@ANYBLOB="90000000", @ANYRES16=r2, @ANYBLOB="01000000000000000000010000000c00050000000000000000050c0002000000000000000000040007800c0008000000000000000000080001"], 0x90}}, 0x0) 10:35:39 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$nbd(&(0x7f0000000380), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000000c0)=ANY=[@ANYBLOB="90000000", @ANYRES16=r2, @ANYBLOB="01000000000000000000010000000c00050000000000000000600c0002000000000000000000040007800c0008000000000000000000080001"], 0x90}}, 0x0) 10:35:39 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$nbd(&(0x7f0000000380), r0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000000)) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) r4 = socket$netlink(0x10, 0x3, 0x0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000000c0)=ANY=[@ANYBLOB="90000000", @ANYRES16=r2, @ANYBLOB="01000000000000000000010000000c00050000000000000000000c0002000000000000000300040007800c000800000000000000000008000100000000004400078008000100", @ANYRES32, @ANYBLOB="38000100", @ANYRES32=r3, @ANYBLOB="08000100", @ANYBLOB="0800d354", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32=r4], 0x90}}, 0x0) [ 3083.989090][T22428] block nbd0: Unsupported socket: shutdown callout must be supported. 10:35:39 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000380), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000000c0)=ANY=[@ANYBLOB="90000000", @ANYRES16=r2, @ANYBLOB="01000000000000000000010000000c00050000000000000a00000c0002000000000000000000040007800c0008000000000000000000080001"], 0x90}}, 0x0) [ 3084.075030][T22435] block nbd0: Unsupported socket: shutdown callout must be supported. 10:35:39 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000380), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000000c0)=ANY=[@ANYBLOB="90000000", @ANYRES16=r2, @ANYBLOB="01000000000000000000010000000c00050000000000000000680c0002000000000000000000040007800c0008000000000000000000080001"], 0x90}}, 0x0) 10:35:39 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000380), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000000c0)=ANY=[@ANYBLOB="90000000", @ANYRES16=r2, @ANYBLOB="01000000000000000000010000000c00050000000000000000060c0002000000000000000000040007800c0008000000000000000000080001"], 0x90}}, 0x0) 10:35:39 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000380), r0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000000)) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) r4 = socket$netlink(0x10, 0x3, 0x0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000000c0)=ANY=[@ANYBLOB="50010020", @ANYRES16=r2, @ANYBLOB="01000000000000000000010000000c00050000030000000000000c0002000000000000000000040007800c000800000000000000000008000100000000004400078008000100", @ANYRES32, @ANYBLOB="38000100", @ANYRES32=r3, @ANYBLOB="08000100", @ANYBLOB="0800d354", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32=r4], 0x90}}, 0x0) [ 3084.129785][T22433] lo speed is unknown, defaulting to 1000 10:35:39 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$nbd(&(0x7f0000000380), r0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000000)) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) r4 = socket$netlink(0x10, 0x3, 0x0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000000c0)=ANY=[@ANYBLOB="90000000", @ANYRES16=r2, @ANYBLOB="01000000000000000000010000000c00050000000000000000000c0002000000000000000400040007800c000800000000000000000008000100000000004400078008000100", @ANYRES32, @ANYBLOB="38000100", @ANYRES32=r3, @ANYBLOB="08000100", @ANYBLOB="0800d354", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32=r4], 0x90}}, 0x0) [ 3084.393008][T22463] nbd: nbd0 already in use 10:35:39 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000380), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000000c0)=ANY=[@ANYBLOB="90000000", @ANYRES16=r2, @ANYBLOB="01000000000000000000010000000c000500000000000000006c0c0002000000000000000000040007800c0008000000000000000000080001"], 0x90}}, 0x0) [ 3084.472919][T22463] nbd: nbd0 already in use [ 3084.506854][T22471] block nbd0: Unsupported socket: shutdown callout must be supported. [ 3084.610114][T22476] block nbd0: Unsupported socket: shutdown callout must be supported. [ 3084.871133][T22433] device gretap0 entered promiscuous mode [ 3084.880159][T22433] device gretap0 left promiscuous mode [ 3084.887411][T22433] ‘|‚ªu: renamed from gretap0 [ 3084.904634][T22433] ‘|‚ªu: default qdisc (pfifo_fast) fail, fallback to noqueue [ 3084.923108][T22433] A link change request failed with some changes committed already. Interface ‘|‚ªu may have been left with an inconsistent configuration, please check. [ 3084.974651][T22433] lo speed is unknown, defaulting to 1000 10:35:41 executing program 5: unshare(0x40000000) mmap(&(0x7f0000000000/0xb36000)=nil, 0xb36000, 0x3, 0x8031, 0xffffffffffffffff, 0x0) unshare(0x0) r0 = socket$netlink(0x10, 0x3, 0x0) writev(r0, &(0x7f0000000080)=[{&(0x7f00000000c0)="390000001300090468fe0700000000000000ff3f04000000480100100000000004002b000a00010014a4ee1ee438d2fd000000000000007200", 0x39}], 0x1) r1 = socket$nl_route(0x10, 0x3, 0x0) sendmsg$netlink(r1, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000100)=[{&(0x7f00000001c0)=ANY=[@ANYBLOB="2800000013000100000000000000000008000000", @ANYRES32=r1, @ANYBLOB='\f\x00\x00\x00', @ANYRES32=0x0, @ANYBLOB="08000d002e14f9"], 0x28}], 0x1}, 0x0) writev(r0, &(0x7f0000000000)=[{&(0x7f0000000040)="3900000013001104680907026c00000f0000ff3f04000000290a001700000000040037000a00030014917c82aa75b9a64411f6a4ee1ee438d2", 0x39}], 0x1) 10:35:41 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$nbd(&(0x7f0000000380), r0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000000)) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) r4 = socket$netlink(0x10, 0x3, 0x0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000000c0)=ANY=[@ANYBLOB="00f0ff7f", @ANYRES16=r2, @ANYBLOB="01000000000000000000010000000c00050000030000000000000c0002000000000000000000040007800c000800000000000000000008000100000000004400078008000100", @ANYRES32, @ANYBLOB="38000100", @ANYRES32=r3, @ANYBLOB="08000100", @ANYBLOB="0800d354", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32=r4], 0x90}}, 0x0) 10:35:41 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000380), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000000c0)=ANY=[@ANYBLOB="90000000", @ANYRES16=r2, @ANYBLOB="01000000000000000000010000000c00050000000000000000070c0002000000000000000000040007800c0008000000000000000000080001"], 0x90}}, 0x0) 10:35:41 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000380), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000000c0)=ANY=[@ANYBLOB="90000000", @ANYRES16=r2, @ANYBLOB="01000000000000000000010000000c00050000000000000f00000c0002000000000000000000040007800c0008000000000000000000080001"], 0x90}}, 0x0) 10:35:41 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000380), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000000c0)=ANY=[@ANYBLOB="90000000", @ANYRES16=r2, @ANYBLOB="01000000000000000000010000000c00050000000000000000740c0002000000000000000000040007800c0008000000000000000000080001"], 0x90}}, 0x0) 10:35:41 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000380), r0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000000)) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) r4 = socket$netlink(0x10, 0x3, 0x0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000000c0)=ANY=[@ANYBLOB="90000000", @ANYRES16=r2, @ANYBLOB="01000000000000000000010000000c00050000000000000000000c0002000000000000000500040007800c000800000000000000000008000100000000004400078008000100", @ANYRES32, @ANYBLOB="38000100", @ANYRES32=r3, @ANYBLOB="08000100", @ANYBLOB="0800d354", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32=r4], 0x90}}, 0x0) 10:35:41 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$nbd(&(0x7f0000000380), r0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000000)) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) r4 = socket$netlink(0x10, 0x3, 0x0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000000c0)=ANY=[@ANYBLOB="effdffff", @ANYRES16=r2, @ANYBLOB="01000000000000000000010000000c00050000030000000000000c0002000000000000000000040007800c000800000000000000000008000100000000004400078008000100", @ANYRES32, @ANYBLOB="38000100", @ANYRES32=r3, @ANYBLOB="08000100", @ANYBLOB="0800d354", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32=r4], 0x90}}, 0x0) [ 3086.054729][T22524] block nbd0: Unsupported socket: shutdown callout must be supported. 10:35:41 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000380), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000000c0)=ANY=[@ANYBLOB="90000000", @ANYRES16=r2, @ANYBLOB="01000000000000000000010000000c00050000000000a01500000c0002000000000000000000040007800c0008000000000000000000080001"], 0x90}}, 0x0) [ 3086.120760][T22531] block nbd0: Unsupported socket: shutdown callout must be supported. 10:35:41 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000380), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000000c0)=ANY=[@ANYBLOB="90000000", @ANYRES16=r2, @ANYBLOB="01000000000000000000010000000c00050000000000000000090c0002000000000000000000040007800c0008000000000000000000080001"], 0x90}}, 0x0) 10:35:41 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000380), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000000c0)=ANY=[@ANYBLOB="90000000", @ANYRES16=r2, @ANYBLOB="01000000000000000000010000000c000500000000000000007a0c0002000000000000000000040007800c0008000000000000000000080001"], 0x90}}, 0x0) [ 3086.229829][T22530] lo speed is unknown, defaulting to 1000 10:35:41 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000380), r0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000000)) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) r4 = socket$netlink(0x10, 0x3, 0x0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000000c0)=ANY=[@ANYBLOB="90000000", @ANYRES16=r2, @ANYBLOB="01000000000000000000010000000c00050000000000000000000c0002000000000000000600040007800c000800000000000000000008000100000000004400078008000100", @ANYRES32, @ANYBLOB="38000100", @ANYRES32=r3, @ANYBLOB="08000100", @ANYBLOB="0800d354", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32=r4], 0x90}}, 0x0) [ 3086.421947][T22553] nbd: nbd0 already in use 10:35:41 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$nbd(&(0x7f0000000380), r0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000000)) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) r4 = socket$netlink(0x10, 0x3, 0x0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000000c0)=ANY=[@ANYBLOB="90020000", @ANYRES16=r2, @ANYBLOB="01000000000000000000010000000c00050000030000000000000c0002000000000000000000040007800c000800000000000000000008000100000000004400078008000100", @ANYRES32, @ANYBLOB="38000100", @ANYRES32=r3, @ANYBLOB="08000100", @ANYBLOB="0800d354", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32=r4], 0x90}}, 0x0) [ 3086.500850][T22562] nbd: nbd0 already in use [ 3086.586576][T22569] block nbd0: Unsupported socket: shutdown callout must be supported. [ 3086.649437][T22571] block nbd0: Unsupported socket: shutdown callout must be supported. [ 3086.962019][T22530] __nla_validate_parse: 47 callbacks suppressed [ 3086.962039][T22530] netlink: 9 bytes leftover after parsing attributes in process `syz-executor.5'. [ 3086.996414][T22530] device gretap0 entered promiscuous mode [ 3087.017395][T22530] device gretap0 left promiscuous mode [ 3087.026607][T22530] netlink: 9 bytes leftover after parsing attributes in process `syz-executor.5'. [ 3087.047566][T22530] ‘|‚ªu: renamed from gretap0 [ 3087.069714][T22530] ‘|‚ªu: default qdisc (pfifo_fast) fail, fallback to noqueue [ 3087.099484][T22530] A link change request failed with some changes committed already. Interface ‘|‚ªu may have been left with an inconsistent configuration, please check. [ 3087.176095][T22530] lo speed is unknown, defaulting to 1000 [ 3087.304750][T22530] netlink: 9 bytes leftover after parsing attributes in process `syz-executor.5'. [ 3087.322606][T22530] device ‘|‚ªu entered promiscuous mode 10:35:42 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000380), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000000c0)=ANY=[@ANYBLOB="90000000", @ANYRES16=r2, @ANYBLOB="01000000000000000000010000000c000500000000000000000a0c0002000000000000000000040007800c0008000000000000000000080001"], 0x90}}, 0x0) 10:35:42 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000380), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000000c0)=ANY=[@ANYBLOB="90000000", @ANYRES16=r2, @ANYBLOB="01000000000000000000010000000c00050000000000001f00000c0002000000000000000000040007800c0008000000000000000000080001"], 0x90}}, 0x0) 10:35:42 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000380), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000000c0)=ANY=[@ANYBLOB="90000000", @ANYRES16=r2, @ANYBLOB="01000000000000000000010000000c00050000000000000000f00c0002000000000000000000040007800c0008000000000000000000080001"], 0x90}}, 0x0) 10:35:42 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000380), r0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000000)) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) r4 = socket$netlink(0x10, 0x3, 0x0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000000c0)=ANY=[@ANYBLOB="90000000", @ANYRES16=r2, @ANYBLOB="01000000000000000000010000000c00050000000000000000000c0002000000000000000700040007800c000800000000000000000008000100000000004400078008000100", @ANYRES32, @ANYBLOB="38000100", @ANYRES32=r3, @ANYBLOB="08000100", @ANYBLOB="0800d354", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32=r4], 0x90}}, 0x0) 10:35:42 executing program 5: unshare(0x40000000) mmap(&(0x7f0000000000/0xb36000)=nil, 0xb36000, 0x3, 0x8031, 0xffffffffffffffff, 0x0) unshare(0x0) r0 = socket$netlink(0x10, 0x3, 0x0) writev(r0, &(0x7f0000000080)=[{&(0x7f00000000c0)="390000001300090468fe0700000000000000ff3f04000000480100100000000004002b000a00010014a4ee1ee438d2fd000000000000007200", 0x39}], 0x1) r1 = socket$nl_route(0x10, 0x3, 0x0) sendmsg$netlink(r1, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000100)=[{&(0x7f00000001c0)=ANY=[@ANYBLOB="2800000013000100000000000000000008000000", @ANYRES32=r1, @ANYBLOB='\f\x00\x00\x00', @ANYRES32=0x0, @ANYBLOB="08000d002e14f9"], 0x28}], 0x1}, 0x0) writev(r0, &(0x7f0000000000)=[{&(0x7f0000000040)="3900000013001104680907036d00000f0000ff3f04000000290a001700000000040037000a00030014917c82aa75b9a64411f6a4ee1ee438d2", 0x39}], 0x1) 10:35:42 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000380), r0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000000)) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) r4 = socket$netlink(0x10, 0x3, 0x0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000000c0)=ANY=[@ANYBLOB="90030000", @ANYRES16=r2, @ANYBLOB="01000000000000000000010000000c00050000030000000000000c0002000000000000000000040007800c000800000000000000000008000100000000004400078008000100", @ANYRES32, @ANYBLOB="38000100", @ANYRES32=r3, @ANYBLOB="08000100", @ANYBLOB="0800d354", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32=r4], 0x90}}, 0x0) [ 3087.637171][T22613] netlink: 8 bytes leftover after parsing attributes in process `syz-executor.4'. [ 3087.685091][T22613] netlink: 4 bytes leftover after parsing attributes in process `syz-executor.4'. [ 3087.721154][T22613] netlink: 4 bytes leftover after parsing attributes in process `syz-executor.4'. [ 3087.757410][T22613] block nbd0: Unsupported socket: shutdown callout must be supported. [ 3087.837259][T22622] lo speed is unknown, defaulting to 1000 [ 3087.848211][T22629] netlink: 8 bytes leftover after parsing attributes in process `syz-executor.4'. 10:35:43 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000380), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000000c0)=ANY=[@ANYBLOB="90000000", @ANYRES16=r2, @ANYBLOB="01000000000000000000010000000c000500000000000000000f0c0002000000000000000000040007800c0008000000000000000000080001"], 0x90}}, 0x0) 10:35:43 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$nbd(&(0x7f0000000380), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000000c0)=ANY=[@ANYBLOB="90000000", @ANYRES16=r2, @ANYBLOB="01000000000000000000010000000c0005000000000000000000030002000000000000000000040007800c0008000000000000000000080001"], 0x90}}, 0x0) [ 3087.901364][T22629] netlink: 4 bytes leftover after parsing attributes in process `syz-executor.4'. 10:35:43 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$nbd(&(0x7f0000000380), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000000c0)=ANY=[@ANYBLOB="90000000", @ANYRES16=r2, @ANYBLOB="01000000000000000000010000000c00050000000000002000000c0002000000000000000000040007800c0008000000000000000000080001"], 0x90}}, 0x0) [ 3087.951300][T22629] netlink: 4 bytes leftover after parsing attributes in process `syz-executor.4'. 10:35:43 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$nbd(&(0x7f0000000380), r0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000000)) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) r4 = socket$netlink(0x10, 0x3, 0x0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000000c0)=ANY=[@ANYBLOB="90040000", @ANYRES16=r2, @ANYBLOB="01000000000000000000010000000c00050000030000000000000c0002000000000000000000040007800c000800000000000000000008000100000000004400078008000100", @ANYRES32, @ANYBLOB="38000100", @ANYRES32=r3, @ANYBLOB="08000100", @ANYBLOB="0800d354", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32=r4], 0x90}}, 0x0) 10:35:43 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000380), r0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000000)) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) r4 = socket$netlink(0x10, 0x3, 0x0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000000c0)=ANY=[@ANYBLOB="90000000", @ANYRES16=r2, @ANYBLOB="01000000000000000000010000000c00050000000000000000000c0002000000000000000900040007800c000800000000000000000008000100000000004400078008000100", @ANYRES32, @ANYBLOB="38000100", @ANYRES32=r3, @ANYBLOB="08000100", @ANYBLOB="0800d354", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32=r4], 0x90}}, 0x0) [ 3088.203705][T22654] netlink: 76 bytes leftover after parsing attributes in process `syz-executor.0'. [ 3088.266749][T22655] nbd: must specify at least one socket 10:35:43 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$nbd(&(0x7f0000000380), r0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000000)) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) r4 = socket$netlink(0x10, 0x3, 0x0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000000c0)=ANY=[@ANYBLOB="90050000", @ANYRES16=r2, @ANYBLOB="01000000000000000000010000000c00050000030000000000000c0002000000000000000000040007800c000800000000000000000008000100000000004400078008000100", @ANYRES32, @ANYBLOB="38000100", @ANYRES32=r3, @ANYBLOB="08000100", @ANYBLOB="0800d354", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32=r4], 0x90}}, 0x0) [ 3088.347175][T22665] block nbd0: Unsupported socket: shutdown callout must be supported. 10:35:43 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000380), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000000c0)=ANY=[@ANYBLOB="90000000", @ANYRES16=r2, @ANYBLOB="01000000000000000000010000000c00050000000000000000020c0002000000000000000000040007800c0008000000000000000000080001"], 0x90}}, 0x0) 10:35:43 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000380), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000000c0)=ANY=[@ANYBLOB="90000000", @ANYRES16=r2, @ANYBLOB="01000000000000000000010000000c000500000000000000001f0c0002000000000000000000040007800c0008000000000000000000080001"], 0x90}}, 0x0) 10:35:43 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000380), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000000c0)=ANY=[@ANYBLOB="90000000", @ANYRES16=r2, @ANYBLOB="01000000000000000000010000000c00050000000000003f00000c0002000000000000000000040007800c0008000000000000000000080001"], 0x90}}, 0x0) [ 3088.463978][T22667] block nbd0: Unsupported socket: shutdown callout must be supported. 10:35:43 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000380), r0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000000)) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) r4 = socket$netlink(0x10, 0x3, 0x0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000000c0)=ANY=[@ANYBLOB="90000000", @ANYRES16=r2, @ANYBLOB="01000000000000000000010000000c00050000000000000000000c0002000000000000000a00040007800c000800000000000000000008000100000000004400078008000100", @ANYRES32, @ANYBLOB="38000100", @ANYRES32=r3, @ANYBLOB="08000100", @ANYBLOB="0800d354", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32=r4], 0x90}}, 0x0) [ 3088.856745][T22684] nbd: nbd0 already in use [ 3088.894133][T22686] block nbd0: Unsupported socket: shutdown callout must be supported. [ 3088.969082][T22622] device gretap0 entered promiscuous mode [ 3088.996774][T22622] device gretap0 left promiscuous mode [ 3089.032301][T22622] ‘|‚ªu: renamed from gretap0 [ 3089.040796][T22622] ‘|‚ªu: default qdisc (pfifo_fast) fail, fallback to noqueue [ 3089.076134][T22622] A link change request failed with some changes committed already. Interface ‘|‚ªu may have been left with an inconsistent configuration, please check. [ 3089.135474][T22622] lo speed is unknown, defaulting to 1000 [ 3089.789591][T22715] device ‘|‚ªu left promiscuous mode [ 3089.812066][T22715] ‘|‚ªu: refused to change device tx_queue_len 10:35:45 executing program 5: unshare(0x40000000) mmap(&(0x7f0000000000/0xb36000)=nil, 0xb36000, 0x3, 0x8031, 0xffffffffffffffff, 0x0) unshare(0x0) r0 = socket$netlink(0x10, 0x3, 0x0) writev(r0, &(0x7f0000000080)=[{&(0x7f00000000c0)="390000001300090468fe0700000000000000ff3f04000000480100100000000004002b000a00010014a4ee1ee438d2fd000000000000007200", 0x39}], 0x1) r1 = socket$nl_route(0x10, 0x3, 0x0) sendmsg$netlink(r1, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000100)=[{&(0x7f00000001c0)=ANY=[@ANYBLOB="2800000013000100000000000000000008000000", @ANYRES32=r1, @ANYBLOB='\f\x00\x00\x00', @ANYRES32=0x0, @ANYBLOB="08000d002e14f9"], 0x28}], 0x1}, 0x0) writev(r0, &(0x7f0000000000)=[{&(0x7f0000000040)="3900000013001104680907017000000f0000ff3f04000000290a001700000000040037000a00030014917c82aa75b9a64411f6a4ee1ee438d2", 0x39}], 0x1) 10:35:45 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000380), r0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000000)) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) r4 = socket$netlink(0x10, 0x3, 0x0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000000c0)=ANY=[@ANYBLOB="90060000", @ANYRES16=r2, @ANYBLOB="01000000000000000000010000000c00050000030000000000000c0002000000000000000000040007800c000800000000000000000008000100000000004400078008000100", @ANYRES32, @ANYBLOB="38000100", @ANYRES32=r3, @ANYBLOB="08000100", @ANYBLOB="0800d354", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32=r4], 0x90}}, 0x0) 10:35:45 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000380), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000000c0)=ANY=[@ANYBLOB="90000000", @ANYRES16=r2, @ANYBLOB="01000000000000000000010000000c00050000000000000000200c0002000000000000000000040007800c0008000000000000000000080001"], 0x90}}, 0x0) 10:35:45 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$nbd(&(0x7f0000000380), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000000c0)=ANY=[@ANYBLOB="90000000", @ANYRES16=r2, @ANYBLOB="01000000000000000000010000000c00050000000000004800000c0002000000000000000000040007800c0008000000000000000000080001"], 0x90}}, 0x0) 10:35:45 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$nbd(&(0x7f0000000380), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000000c0)=ANY=[@ANYBLOB="90000000", @ANYRES16=r2, @ANYBLOB="01000000000000000000010000000c00050000000000000000030c0002000000000000000000040007800c0008000000000000000000080001"], 0x90}}, 0x0) 10:35:45 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$nbd(&(0x7f0000000380), r0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000000)) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) r4 = socket$netlink(0x10, 0x3, 0x0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000000c0)=ANY=[@ANYBLOB="90000000", @ANYRES16=r2, @ANYBLOB="01000000000000000000010000000c00050000000000000000000c0002000000000000001f00040007800c000800000000000000000008000100000000004400078008000100", @ANYRES32, @ANYBLOB="38000100", @ANYRES32=r3, @ANYBLOB="08000100", @ANYBLOB="0800d354", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32=r4], 0x90}}, 0x0) [ 3090.284096][T22728] block nbd0: Unsupported socket: shutdown callout must be supported. 10:35:45 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000380), r0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000000)) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) r4 = socket$netlink(0x10, 0x3, 0x0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000000c0)=ANY=[@ANYBLOB="90070000", @ANYRES16=r2, @ANYBLOB="01000000000000000000010000000c00050000030000000000000c0002000000000000000000040007800c000800000000000000000008000100000000004400078008000100", @ANYRES32, @ANYBLOB="38000100", @ANYRES32=r3, @ANYBLOB="08000100", @ANYBLOB="0800d354", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32=r4], 0x90}}, 0x0) 10:35:45 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$nbd(&(0x7f0000000380), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000000c0)=ANY=[@ANYBLOB="90000000", @ANYRES16=r2, @ANYBLOB="01000000000000000000010000000c00050000000000004c00000c0002000000000000000000040007800c0008000000000000000000080001"], 0x90}}, 0x0) 10:35:45 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$nbd(&(0x7f0000000380), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000000c0)=ANY=[@ANYBLOB="90000000", @ANYRES16=r2, @ANYBLOB="01000000000000000000010000000c00050000000000000000040c0002000000000000000000040007800c0008000000000000000000080001"], 0x90}}, 0x0) [ 3090.366966][T22733] block nbd0: Unsupported socket: shutdown callout must be supported. [ 3090.398522][T22731] lo speed is unknown, defaulting to 1000 10:35:45 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000380), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000000c0)=ANY=[@ANYBLOB="90000000", @ANYRES16=r2, @ANYBLOB="01000000000000000000010000000c000500000000000000003f0c0002000000000000000000040007800c0008000000000000000000080001"], 0x90}}, 0x0) [ 3090.583886][T22745] nbd: nbd0 already in use 10:35:45 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$nbd(&(0x7f0000000380), r0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000000)) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) r4 = socket$netlink(0x10, 0x3, 0x0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000000c0)=ANY=[@ANYBLOB="90000000", @ANYRES16=r2, @ANYBLOB="01000000000000000000010000000c00050000000000000000000c0002000000000000002000040007800c000800000000000000000008000100000000004400078008000100", @ANYRES32, @ANYBLOB="38000100", @ANYRES32=r3, @ANYBLOB="08000100", @ANYBLOB="0800d354", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32=r4], 0x90}}, 0x0) 10:35:45 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000380), r0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000000)) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) r4 = socket$netlink(0x10, 0x3, 0x0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000000c0)=ANY=[@ANYBLOB="90090000", @ANYRES16=r2, @ANYBLOB="01000000000000000000010000000c00050000030000000000000c0002000000000000000000040007800c000800000000000000000008000100000000004400078008000100", @ANYRES32, @ANYBLOB="38000100", @ANYRES32=r3, @ANYBLOB="08000100", @ANYBLOB="0800d354", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32=r4], 0x90}}, 0x0) [ 3090.875441][T22768] block nbd0: Unsupported socket: shutdown callout must be supported. [ 3090.973362][T22778] block nbd0: Unsupported socket: shutdown callout must be supported. [ 3091.200896][T22731] device gretap0 entered promiscuous mode [ 3091.225132][T22734] ‘|‚ªu: refused to change device tx_queue_len [ 3091.252406][T22731] ‘|‚ªu: renamed from gretap0 [ 3091.263319][T22731] device ‘|‚ªu left promiscuous mode [ 3091.270497][T22731] A link change request failed with some changes committed already. Interface ‘|‚ªu may have been left with an inconsistent configuration, please check. [ 3091.360062][T22731] lo speed is unknown, defaulting to 1000 [ 3091.423738][T22783] device ‘|‚ªu entered promiscuous mode [ 3091.646172][T22807] device ‘|‚ªu left promiscuous mode [ 3091.660091][T22807] ‘|‚ªu: refused to change device tx_queue_len 10:35:47 executing program 5: unshare(0x40000000) mmap(&(0x7f0000000000/0xb36000)=nil, 0xb36000, 0x3, 0x8031, 0xffffffffffffffff, 0x0) unshare(0x0) r0 = socket$netlink(0x10, 0x3, 0x0) writev(r0, &(0x7f0000000080)=[{&(0x7f00000000c0)="390000001300090468fe0700000000000000ff3f04000000480100100000000004002b000a00010014a4ee1ee438d2fd000000000000007200", 0x39}], 0x1) r1 = socket$nl_route(0x10, 0x3, 0x0) sendmsg$netlink(r1, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000100)=[{&(0x7f00000001c0)=ANY=[@ANYBLOB="2800000013000100000000000000000008000000", @ANYRES32=r1, @ANYBLOB='\f\x00\x00\x00', @ANYRES32=0x0, @ANYBLOB="08000d002e14f9"], 0x28}], 0x1}, 0x0) writev(r0, &(0x7f0000000000)=[{&(0x7f0000000040)="3900000013001104680907007400000f0000ff3f04000000290a001700000000040037000a00030014917c82aa75b9a64411f6a4ee1ee438d2", 0x39}], 0x1) 10:35:47 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000380), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000000c0)=ANY=[@ANYBLOB="90000000", @ANYRES16=r2, @ANYBLOB="01000000000000000000010000000c00050000000000000000050c0002000000000000000000040007800c0008000000000000000000080001"], 0x90}}, 0x0) 10:35:47 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000380), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000000c0)=ANY=[@ANYBLOB="90000000", @ANYRES16=r2, @ANYBLOB="01000000000000000000010000000c00050000000000006000000c0002000000000000000000040007800c0008000000000000000000080001"], 0x90}}, 0x0) 10:35:47 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000380), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000000c0)=ANY=[@ANYBLOB="90000000", @ANYRES16=r2, @ANYBLOB="01000000000000000000010000000c00050000000000000000480c0002000000000000000000040007800c0008000000000000000000080001"], 0x90}}, 0x0) 10:35:47 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000380), r0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000000)) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) r4 = socket$netlink(0x10, 0x3, 0x0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000000c0)=ANY=[@ANYBLOB="900a0000", @ANYRES16=r2, @ANYBLOB="01000000000000000000010000000c00050000030000000000000c0002000000000000000000040007800c000800000000000000000008000100000000004400078008000100", @ANYRES32, @ANYBLOB="38000100", @ANYRES32=r3, @ANYBLOB="08000100", @ANYBLOB="0800d354", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32=r4], 0x90}}, 0x0) 10:35:47 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$nbd(&(0x7f0000000380), r0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000000)) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) r4 = socket$netlink(0x10, 0x3, 0x0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000000c0)=ANY=[@ANYBLOB="90000000", @ANYRES16=r2, @ANYBLOB="01000000000000000000010000000c00050000000000000000000c0002000000000000003f00040007800c000800000000000000000008000100000000004400078008000100", @ANYRES32, @ANYBLOB="38000100", @ANYRES32=r3, @ANYBLOB="08000100", @ANYBLOB="0800d354", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32=r4], 0x90}}, 0x0) [ 3092.081886][T22816] __nla_validate_parse: 42 callbacks suppressed [ 3092.081905][T22816] netlink: 76 bytes leftover after parsing attributes in process `syz-executor.2'. [ 3092.134327][T22818] netlink: 76 bytes leftover after parsing attributes in process `syz-executor.0'. [ 3092.160543][T22817] netlink: 76 bytes leftover after parsing attributes in process `syz-executor.3'. [ 3092.185324][T22814] netlink: 8 bytes leftover after parsing attributes in process `syz-executor.4'. [ 3092.212504][T22822] lo speed is unknown, defaulting to 1000 [ 3092.215028][T22814] netlink: 4 bytes leftover after parsing attributes in process `syz-executor.4'. [ 3092.275527][T22814] netlink: 4 bytes leftover after parsing attributes in process `syz-executor.4'. [ 3092.342585][T22814] block nbd0: Unsupported socket: shutdown callout must be supported. 10:35:47 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000380), r0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000000)) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) r4 = socket$netlink(0x10, 0x3, 0x0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000000c0)=ANY=[@ANYBLOB="900f0000", @ANYRES16=r2, @ANYBLOB="01000000000000000000010000000c00050000030000000000000c0002000000000000000000040007800c000800000000000000000008000100000000004400078008000100", @ANYRES32, @ANYBLOB="38000100", @ANYRES32=r3, @ANYBLOB="08000100", @ANYBLOB="0800d354", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32=r4], 0x90}}, 0x0) 10:35:47 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000380), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000000c0)=ANY=[@ANYBLOB="90000000", @ANYRES16=r2, @ANYBLOB="01000000000000000000010000000c000500000000000000004c0c0002000000000000000000040007800c0008000000000000000000080001"], 0x90}}, 0x0) 10:35:47 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$nbd(&(0x7f0000000380), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000000c0)=ANY=[@ANYBLOB="90000000", @ANYRES16=r2, @ANYBLOB="01000000000000000000010000000c00050000000000000000060c0002000000000000000000040007800c0008000000000000000000080001"], 0x90}}, 0x0) [ 3092.439399][T22820] netlink: 8 bytes leftover after parsing attributes in process `syz-executor.4'. [ 3092.467307][T22820] nbd: nbd0 already in use 10:35:47 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$nbd(&(0x7f0000000380), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000000c0)=ANY=[@ANYBLOB="90000000", @ANYRES16=r2, @ANYBLOB="01000000000000000000010000000c00050000000000006800000c0002000000000000000000040007800c0008000000000000000000080001"], 0x90}}, 0x0) 10:35:47 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$nbd(&(0x7f0000000380), r0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000000)) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) r4 = socket$netlink(0x10, 0x3, 0x0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000000c0)=ANY=[@ANYBLOB="90000000", @ANYRES16=r2, @ANYBLOB="01000000000000000000010000000c00050000000000000000000c0002000000000000004800040007800c000800000000000000000008000100000000004400078008000100", @ANYRES32, @ANYBLOB="38000100", @ANYRES32=r3, @ANYBLOB="08000100", @ANYBLOB="0800d354", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32=r4], 0x90}}, 0x0) [ 3092.632401][T22855] netlink: 76 bytes leftover after parsing attributes in process `syz-executor.0'. [ 3092.702949][T22856] netlink: 76 bytes leftover after parsing attributes in process `syz-executor.2'. [ 3092.756957][T22857] netlink: 76 bytes leftover after parsing attributes in process `syz-executor.3'. [ 3092.795885][T22861] block nbd0: Unsupported socket: shutdown callout must be supported. 10:35:48 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000380), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000000c0)=ANY=[@ANYBLOB="90000000", @ANYRES16=r2, @ANYBLOB="01000000000000000000010000000c00050000000000006c00000c0002000000000000000000040007800c0008000000000000000000080001"], 0x90}}, 0x0) [ 3092.836297][T22865] block nbd0: Unsupported socket: shutdown callout must be supported. [ 3093.046041][T22822] device gretap0 entered promiscuous mode [ 3093.054493][T22822] device gretap0 left promiscuous mode [ 3093.070495][T22822] ‘|‚ªu: renamed from gretap0 [ 3093.086078][T22822] ‘|‚ªu: default qdisc (pfifo_fast) fail, fallback to noqueue [ 3093.107073][T22822] A link change request failed with some changes committed already. Interface ‘|‚ªu may have been left with an inconsistent configuration, please check. [ 3093.174523][T22822] lo speed is unknown, defaulting to 1000 [ 3093.284302][T22870] device ‘|‚ªu entered promiscuous mode [ 3093.302358][T22892] device ‘|‚ªu left promiscuous mode [ 3093.322856][T22892] ‘|‚ªu: refused to change device tx_queue_len 10:35:48 executing program 5: unshare(0x40000000) mmap(&(0x7f0000000000/0xb36000)=nil, 0xb36000, 0x3, 0x8031, 0xffffffffffffffff, 0x0) unshare(0x0) r0 = socket$netlink(0x10, 0x3, 0x0) writev(r0, &(0x7f0000000080)=[{&(0x7f00000000c0)="390000001300090468fe0700000000000000ff3f04000000480100100000000004002b000a00010014a4ee1ee438d2fd000000000000007200", 0x39}], 0x1) r1 = socket$nl_route(0x10, 0x3, 0x0) sendmsg$netlink(r1, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000100)=[{&(0x7f00000001c0)=ANY=[@ANYBLOB="2800000013000100000000000000000008000000", @ANYRES32=r1, @ANYBLOB='\f\x00\x00\x00', @ANYRES32=0x0, @ANYBLOB="08000d002e14f9"], 0x28}], 0x1}, 0x0) writev(r0, &(0x7f0000000000)=[{&(0x7f0000000040)="3900000013001104680907037400000f0000ff3f04000000290a001700000000040037000a00030014917c82aa75b9a64411f6a4ee1ee438d2", 0x39}], 0x1) 10:35:48 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$nbd(&(0x7f0000000380), r0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000000)) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) r4 = socket$netlink(0x10, 0x3, 0x0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000000c0)=ANY=[@ANYBLOB="90480000", @ANYRES16=r2, @ANYBLOB="01000000000000000000010000000c00050000030000000000000c0002000000000000000000040007800c000800000000000000000008000100000000004400078008000100", @ANYRES32, @ANYBLOB="38000100", @ANYRES32=r3, @ANYBLOB="08000100", @ANYBLOB="0800d354", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32=r4], 0x90}}, 0x0) 10:35:48 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000380), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000000c0)=ANY=[@ANYBLOB="90000000", @ANYRES16=r2, @ANYBLOB="01000000000000000000010000000c00050000000000000000600c0002000000000000000000040007800c0008000000000000000000080001"], 0x90}}, 0x0) 10:35:48 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000380), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000000c0)=ANY=[@ANYBLOB="90000000", @ANYRES16=r2, @ANYBLOB="01000000000000000000010000000c00050000000000000000070c0002000000000000000000040007800c0008000000000000000000080001"], 0x90}}, 0x0) 10:35:48 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000380), r0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000000)) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) r4 = socket$netlink(0x10, 0x3, 0x0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000000c0)=ANY=[@ANYBLOB="90000000", @ANYRES16=r2, @ANYBLOB="01000000000000000000010000000c00050000000000000000000c0002000000000000004c00040007800c000800000000000000000008000100000000004400078008000100", @ANYRES32, @ANYBLOB="38000100", @ANYRES32=r3, @ANYBLOB="08000100", @ANYBLOB="0800d354", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32=r4], 0x90}}, 0x0) 10:35:48 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$nbd(&(0x7f0000000380), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000000c0)=ANY=[@ANYBLOB="90000000", @ANYRES16=r2, @ANYBLOB="01000000000000000000010000000c00050000000000007400000c0002000000000000000000040007800c0008000000000000000000080001"], 0x90}}, 0x0) [ 3093.647596][T22902] block nbd0: Unsupported socket: shutdown callout must be supported. [ 3093.725580][T22914] block nbd0: Unsupported socket: shutdown callout must be supported. 10:35:49 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000380), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000000c0)=ANY=[@ANYBLOB="90000000", @ANYRES16=r2, @ANYBLOB="01000000000000000000010000000c00050000000000000000680c0002000000000000000000040007800c0008000000000000000000080001"], 0x90}}, 0x0) [ 3093.808994][T22909] lo speed is unknown, defaulting to 1000 10:35:49 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$nbd(&(0x7f0000000380), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000000c0)=ANY=[@ANYBLOB="90000000", @ANYRES16=r2, @ANYBLOB="01000000000000000000010000000c00050000000000000000090c0002000000000000000000040007800c0008000000000000000000080001"], 0x90}}, 0x0) 10:35:49 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$nbd(&(0x7f0000000380), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000000c0)=ANY=[@ANYBLOB="90000000", @ANYRES16=r2, @ANYBLOB="01000000000000000000010000000c00050000000000007a00000c0002000000000000000000040007800c0008000000000000000000080001"], 0x90}}, 0x0) 10:35:49 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$nbd(&(0x7f0000000380), r0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000000)) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) r4 = socket$netlink(0x10, 0x3, 0x0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000000c0)=ANY=[@ANYBLOB="904c0000", @ANYRES16=r2, @ANYBLOB="01000000000000000000010000000c00050000030000000000000c0002000000000000000000040007800c000800000000000000000008000100000000004400078008000100", @ANYRES32, @ANYBLOB="38000100", @ANYRES32=r3, @ANYBLOB="08000100", @ANYBLOB="0800d354", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32=r4], 0x90}}, 0x0) 10:35:49 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000380), r0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000000)) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) r4 = socket$netlink(0x10, 0x3, 0x0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000000c0)=ANY=[@ANYBLOB="90000000", @ANYRES16=r2, @ANYBLOB="01000000000000000000010000000c00050000000000000000000c0002000000000000006000040007800c000800000000000000000008000100000000004400078008000100", @ANYRES32, @ANYBLOB="38000100", @ANYRES32=r3, @ANYBLOB="08000100", @ANYBLOB="0800d354", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32=r4], 0x90}}, 0x0) [ 3094.137724][T22947] block nbd0: Unsupported socket: shutdown callout must be supported. 10:35:49 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$nbd(&(0x7f0000000380), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000000c0)=ANY=[@ANYBLOB="90000000", @ANYRES16=r2, @ANYBLOB="01000000000000000000010000000c000500000000000000000a0c0002000000000000000000040007800c0008000000000000000000080001"], 0x90}}, 0x0) [ 3094.214438][T22953] block nbd0: Unsupported socket: shutdown callout must be supported. [ 3094.558739][T22909] device gretap0 entered promiscuous mode [ 3094.566066][T22909] device gretap0 left promiscuous mode [ 3094.573409][T22909] ‘|‚ªu: renamed from gretap0 [ 3094.595192][T22909] ‘|‚ªu: default qdisc (pfifo_fast) fail, fallback to noqueue [ 3094.608743][T22909] A link change request failed with some changes committed already. Interface ‘|‚ªu may have been left with an inconsistent configuration, please check. [ 3094.651910][T22909] lo speed is unknown, defaulting to 1000 [ 3094.797482][T22909] device ‘|‚ªu entered promiscuous mode 10:35:50 executing program 5: unshare(0x40000000) mmap(&(0x7f0000000000/0xb36000)=nil, 0xb36000, 0x3, 0x8031, 0xffffffffffffffff, 0x0) unshare(0x0) r0 = socket$netlink(0x10, 0x3, 0x0) writev(r0, &(0x7f0000000080)=[{&(0x7f00000000c0)="390000001300090468fe0700000000000000ff3f04000000480100100000000004002b000a00010014a4ee1ee438d2fd000000000000007200", 0x39}], 0x1) r1 = socket$nl_route(0x10, 0x3, 0x0) sendmsg$netlink(r1, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000100)=[{&(0x7f00000001c0)=ANY=[@ANYBLOB="2800000013000100000000000000000008000000", @ANYRES32=r1, @ANYBLOB='\f\x00\x00\x00', @ANYRES32=0x0, @ANYBLOB="08000d002e14f9"], 0x28}], 0x1}, 0x0) writev(r0, &(0x7f0000000000)=[{&(0x7f0000000040)="3900000013001104680907037500000f0000ff3f04000000290a001700000000040037000a00030014917c82aa75b9a64411f6a4ee1ee438d2", 0x39}], 0x1) 10:35:50 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000380), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000000c0)=ANY=[@ANYBLOB="90000000", @ANYRES16=r2, @ANYBLOB="01000000000000000000010000000c0005000000000015a000000c0002000000000000000000040007800c0008000000000000000000080001"], 0x90}}, 0x0) 10:35:50 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000380), r0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000000)) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) r4 = socket$netlink(0x10, 0x3, 0x0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000000c0)=ANY=[@ANYBLOB="90600000", @ANYRES16=r2, @ANYBLOB="01000000000000000000010000000c00050000030000000000000c0002000000000000000000040007800c000800000000000000000008000100000000004400078008000100", @ANYRES32, @ANYBLOB="38000100", @ANYRES32=r3, @ANYBLOB="08000100", @ANYBLOB="0800d354", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32=r4], 0x90}}, 0x0) 10:35:50 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000380), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000000c0)=ANY=[@ANYBLOB="90000000", @ANYRES16=r2, @ANYBLOB="01000000000000000000010000000c000500000000000000006c0c0002000000000000000000040007800c0008000000000000000000080001"], 0x90}}, 0x0) 10:35:50 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$nbd(&(0x7f0000000380), r0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000000)) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) r4 = socket$netlink(0x10, 0x3, 0x0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000000c0)=ANY=[@ANYBLOB="90000000", @ANYRES16=r2, @ANYBLOB="01000000000000000000010000000c00050000000000000000000c0002000000000000006800040007800c000800000000000000000008000100000000004400078008000100", @ANYRES32, @ANYBLOB="38000100", @ANYRES32=r3, @ANYBLOB="08000100", @ANYBLOB="0800d354", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32=r4], 0x90}}, 0x0) 10:35:50 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000380), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000000c0)=ANY=[@ANYBLOB="90000000", @ANYRES16=r2, @ANYBLOB="01000000000000000000010000000c000500000000000000000f0c0002000000000000000000040007800c0008000000000000000000080001"], 0x90}}, 0x0) [ 3095.156114][T22991] block nbd0: Unsupported socket: shutdown callout must be supported. [ 3095.247757][T23002] block nbd0: Unsupported socket: shutdown callout must be supported. 10:35:50 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000380), r0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000000)) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) r4 = socket$netlink(0x10, 0x3, 0x0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000000c0)=ANY=[@ANYBLOB="90680000", @ANYRES16=r2, @ANYBLOB="01000000000000000000010000000c00050000030000000000000c0002000000000000000000040007800c000800000000000000000008000100000000004400078008000100", @ANYRES32, @ANYBLOB="38000100", @ANYRES32=r3, @ANYBLOB="08000100", @ANYBLOB="0800d354", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32=r4], 0x90}}, 0x0) 10:35:50 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$nbd(&(0x7f0000000380), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000000c0)=ANY=[@ANYBLOB="90000000", @ANYRES16=r2, @ANYBLOB="01000000000000000000010000000c00050000000000000000480c0002000000000000000000040007800c0008000000000000000000080001"], 0x90}}, 0x0) 10:35:50 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000380), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000000c0)=ANY=[@ANYBLOB="90000000", @ANYRES16=r2, @ANYBLOB="01000000000000000000010000000c00050000000000000000740c0002000000000000000000040007800c0008000000000000000000080001"], 0x90}}, 0x0) [ 3095.344016][T23003] lo speed is unknown, defaulting to 1000 10:35:50 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$nbd(&(0x7f0000000380), r0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000000)) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) r4 = socket$netlink(0x10, 0x3, 0x0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000000c0)=ANY=[@ANYBLOB="90000000", @ANYRES16=r2, @ANYBLOB="01000000000000000000010000000c00050000000000000000000c0002000000000000006c00040007800c000800000000000000000008000100000000004400078008000100", @ANYRES32, @ANYBLOB="38000100", @ANYRES32=r3, @ANYBLOB="08000100", @ANYBLOB="0800d354", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32=r4], 0x90}}, 0x0) 10:35:50 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000380), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000000c0)=ANY=[@ANYBLOB="90000000", @ANYRES16=r2, @ANYBLOB="01000000000000000000010000000c0005000000000000f000000c0002000000000000000000040007800c0008000000000000000000080001"], 0x90}}, 0x0) [ 3095.631466][T23034] block nbd0: Unsupported socket: shutdown callout must be supported. 10:35:50 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000380), r0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000000)) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) r4 = socket$netlink(0x10, 0x3, 0x0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000000c0)=ANY=[@ANYBLOB="906c0000", @ANYRES16=r2, @ANYBLOB="01000000000000000000010000000c00050000030000000000000c0002000000000000000000040007800c000800000000000000000008000100000000004400078008000100", @ANYRES32, @ANYBLOB="38000100", @ANYRES32=r3, @ANYBLOB="08000100", @ANYBLOB="0800d354", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32=r4], 0x90}}, 0x0) [ 3095.713732][T23041] block nbd0: Unsupported socket: shutdown callout must be supported. [ 3096.120156][T23003] device gretap0 entered promiscuous mode [ 3096.137662][T23003] device gretap0 left promiscuous mode [ 3096.144527][T23003] ‘|‚ªu: renamed from gretap0 [ 3096.162869][T23003] ‘|‚ªu: default qdisc (pfifo_fast) fail, fallback to noqueue [ 3096.179125][T23003] A link change request failed with some changes committed already. Interface ‘|‚ªu may have been left with an inconsistent configuration, please check. [ 3096.250565][T23003] lo speed is unknown, defaulting to 1000 [ 3096.809214][T23074] device ‘|‚ªu left promiscuous mode [ 3096.831009][T23074] ‘|‚ªu: refused to change device tx_queue_len 10:35:52 executing program 5: unshare(0x40000000) mmap(&(0x7f0000000000/0xb36000)=nil, 0xb36000, 0x3, 0x8031, 0xffffffffffffffff, 0x0) unshare(0x0) r0 = socket$netlink(0x10, 0x3, 0x0) writev(r0, &(0x7f0000000080)=[{&(0x7f00000000c0)="390000001300090468fe0700000000000000ff3f04000000480100100000000004002b000a00010014a4ee1ee438d2fd000000000000007200", 0x39}], 0x1) r1 = socket$nl_route(0x10, 0x3, 0x0) sendmsg$netlink(r1, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000100)=[{&(0x7f00000001c0)=ANY=[@ANYBLOB="2800000013000100000000000000000008000000", @ANYRES32=r1, @ANYBLOB='\f\x00\x00\x00', @ANYRES32=0x0, @ANYBLOB="08000d002e14f9"], 0x28}], 0x1}, 0x0) writev(r0, &(0x7f0000000000)=[{&(0x7f0000000040)="3900000013001104680907007600000f0000ff3f04000000290a001700000000040037000a00030014917c82aa75b9a64411f6a4ee1ee438d2", 0x39}], 0x1) 10:35:52 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000380), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000000c0)=ANY=[@ANYBLOB="90000000", @ANYRES16=r2, @ANYBLOB="01000000000000000000010000000c000500000000000000004c0c0002000000000000000000040007800c0008000000000000000000080001"], 0x90}}, 0x0) 10:35:52 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000380), r0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000000)) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) r4 = socket$netlink(0x10, 0x3, 0x0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000000c0)=ANY=[@ANYBLOB="90000000", @ANYRES16=r2, @ANYBLOB="01000000000000000000010000000c00050000000000000000000c0002000000000000007400040007800c000800000000000000000008000100000000004400078008000100", @ANYRES32, @ANYBLOB="38000100", @ANYRES32=r3, @ANYBLOB="08000100", @ANYBLOB="0800d354", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32=r4], 0x90}}, 0x0) 10:35:52 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000380), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000000c0)=ANY=[@ANYBLOB="90000000", @ANYRES16=r2, @ANYBLOB="01000000000000000000010000000c000500000000000000007a0c0002000000000000000000040007800c0008000000000000000000080001"], 0x90}}, 0x0) 10:35:52 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$nbd(&(0x7f0000000380), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000000c0)=ANY=[@ANYBLOB="90000000", @ANYRES16=r2, @ANYBLOB="01000000000000000000010000000c00050000000000000003000c0002000000000000000000040007800c0008000000000000000000080001"], 0x90}}, 0x0) 10:35:52 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$nbd(&(0x7f0000000380), r0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000000)) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) r4 = socket$netlink(0x10, 0x3, 0x0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000000c0)=ANY=[@ANYBLOB="90740000", @ANYRES16=r2, @ANYBLOB="01000000000000000000010000000c00050000030000000000000c0002000000000000000000040007800c000800000000000000000008000100000000004400078008000100", @ANYRES32, @ANYBLOB="38000100", @ANYRES32=r3, @ANYBLOB="08000100", @ANYBLOB="0800d354", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32=r4], 0x90}}, 0x0) [ 3097.148072][T23080] __nla_validate_parse: 52 callbacks suppressed [ 3097.148091][T23080] netlink: 8 bytes leftover after parsing attributes in process `syz-executor.4'. [ 3097.188210][T23080] netlink: 4 bytes leftover after parsing attributes in process `syz-executor.4'. [ 3097.208772][T23080] netlink: 4 bytes leftover after parsing attributes in process `syz-executor.4'. [ 3097.228706][T23080] block nbd0: Unsupported socket: shutdown callout must be supported. [ 3097.291936][T23093] netlink: 8 bytes leftover after parsing attributes in process `syz-executor.4'. 10:35:52 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000380), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000000c0)=ANY=[@ANYBLOB="90000000", @ANYRES16=r2, @ANYBLOB="01000000000000000000010000000c00050000000000000000f00c0002000000000000000000040007800c0008000000000000000000080001"], 0x90}}, 0x0) 10:35:52 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000380), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000000c0)=ANY=[@ANYBLOB="90000000", @ANYRES16=r2, @ANYBLOB="01000000000000000000010000000c00050000000000000000600c0002000000000000000000040007800c0008000000000000000000080001"], 0x90}}, 0x0) 10:35:52 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000380), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000000c0)=ANY=[@ANYBLOB="90000000", @ANYRES16=r2, @ANYBLOB="01000000000000000000010000000c00050000000000004003000c0002000000000000000000040007800c0008000000000000000000080001"], 0x90}}, 0x0) [ 3097.360818][T23093] netlink: 4 bytes leftover after parsing attributes in process `syz-executor.4'. [ 3097.374035][T23089] lo speed is unknown, defaulting to 1000 10:35:52 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000380), r0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000000)) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) r4 = socket$netlink(0x10, 0x3, 0x0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000000c0)=ANY=[@ANYBLOB="907a0000", @ANYRES16=r2, @ANYBLOB="01000000000000000000010000000c00050000030000000000000c0002000000000000000000040007800c000800000000000000000008000100000000004400078008000100", @ANYRES32, @ANYBLOB="38000100", @ANYRES32=r3, @ANYBLOB="08000100", @ANYBLOB="0800d354", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32=r4], 0x90}}, 0x0) [ 3097.453041][T23093] netlink: 4 bytes leftover after parsing attributes in process `syz-executor.4'. [ 3097.621452][T23108] netlink: 76 bytes leftover after parsing attributes in process `syz-executor.0'. 10:35:52 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$nbd(&(0x7f0000000380), r0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000000)) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) r4 = socket$netlink(0x10, 0x3, 0x0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000000c0)=ANY=[@ANYBLOB="90000000", @ANYRES16=r2, @ANYBLOB="01000000000000000000010000000c00050000000000000000000c0002000000000000007a00040007800c000800000000000000000008000100000000004400078008000100", @ANYRES32, @ANYBLOB="38000100", @ANYRES32=r3, @ANYBLOB="08000100", @ANYBLOB="0800d354", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32=r4], 0x90}}, 0x0) [ 3097.742797][T23116] netlink: 76 bytes leftover after parsing attributes in process `syz-executor.3'. [ 3097.827038][T23116] netlink: 76 bytes leftover after parsing attributes in process `syz-executor.3'. 10:35:53 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000380), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000000c0)=ANY=[@ANYBLOB="90000000", @ANYRES16=r2, @ANYBLOB="01000000000000000000010000000c00050000000000000000680c0002000000000000000000040007800c0008000000000000000000080001"], 0x90}}, 0x0) [ 3097.941642][T23131] netlink: 8 bytes leftover after parsing attributes in process `syz-executor.4'. [ 3097.983773][T23131] block nbd0: Unsupported socket: shutdown callout must be supported. [ 3098.061372][T23089] device gretap0 entered promiscuous mode [ 3098.072367][T23132] block nbd0: Unsupported socket: shutdown callout must be supported. [ 3098.087328][T23089] device gretap0 left promiscuous mode [ 3098.115379][T23089] ‘|‚ªu: renamed from gretap0 [ 3098.152753][T23089] ‘|‚ªu: default qdisc (pfifo_fast) fail, fallback to noqueue [ 3098.169305][T23089] A link change request failed with some changes committed already. Interface ‘|‚ªu may have been left with an inconsistent configuration, please check. [ 3098.274034][T23089] lo speed is unknown, defaulting to 1000 [ 3098.362413][T23135] device ‘|‚ªu entered promiscuous mode [ 3098.834274][T23164] device ‘|‚ªu left promiscuous mode [ 3098.860927][T23164] ‘|‚ªu: refused to change device tx_queue_len 10:35:54 executing program 5: unshare(0x40000000) mmap(&(0x7f0000000000/0xb36000)=nil, 0xb36000, 0x3, 0x8031, 0xffffffffffffffff, 0x0) unshare(0x0) r0 = socket$netlink(0x10, 0x3, 0x0) writev(r0, &(0x7f0000000080)=[{&(0x7f00000000c0)="390000001300090468fe0700000000000000ff3f04000000480100100000000004002b000a00010014a4ee1ee438d2fd000000000000007200", 0x39}], 0x1) r1 = socket$nl_route(0x10, 0x3, 0x0) sendmsg$netlink(r1, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000100)=[{&(0x7f00000001c0)=ANY=[@ANYBLOB="2800000013000100000000000000000008000000", @ANYRES32=r1, @ANYBLOB='\f\x00\x00\x00', @ANYRES32=0x0, @ANYBLOB="08000d002e14f9"], 0x28}], 0x1}, 0x0) writev(r0, &(0x7f0000000000)=[{&(0x7f0000000040)="3900000013001104680907017600000f0000ff3f04000000290a001700000000040037000a00030014917c82aa75b9a64411f6a4ee1ee438d2", 0x39}], 0x1) 10:35:54 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$nbd(&(0x7f0000000380), r0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000000)) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) r4 = socket$netlink(0x10, 0x3, 0x0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000000c0)=ANY=[@ANYBLOB="90f00000", @ANYRES16=r2, @ANYBLOB="01000000000000000000010000000c00050000030000000000000c0002000000000000000000040007800c000800000000000000000008000100000000004400078008000100", @ANYRES32, @ANYBLOB="38000100", @ANYRES32=r3, @ANYBLOB="08000100", @ANYBLOB="0800d354", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32=r4], 0x90}}, 0x0) 10:35:54 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000380), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000000c0)=ANY=[@ANYBLOB="90000000", @ANYRES16=r2, @ANYBLOB="01000000000000000000010000000c00050000000000000340000c0002000000000000000000040007800c0008000000000000000000080001"], 0x90}}, 0x0) 10:35:54 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000380), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000000c0)=ANY=[@ANYBLOB="90000000", @ANYRES16=r2, @ANYBLOB="01000000000000000000010000000c000500000000000000006c0c0002000000000000000000040007800c0008000000000000000000080001"], 0x90}}, 0x0) 10:35:54 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000380), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000000c0)=ANY=[@ANYBLOB="90000000", @ANYRES16=r2, @ANYBLOB="01000000000000000000010000000c0005000000000000000000030002000000000000000000040007800c0008000000000000000000080001"], 0x90}}, 0x0) 10:35:54 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000380), r0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000000)) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) r4 = socket$netlink(0x10, 0x3, 0x0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000000c0)=ANY=[@ANYBLOB="90000000", @ANYRES16=r2, @ANYBLOB="01000000000000000000010000000c00050000000000000000000c000200000000ffffff9e00040007800c000800000000000000000008000100000000004400078008000100", @ANYRES32, @ANYBLOB="38000100", @ANYRES32=r3, @ANYBLOB="08000100", @ANYBLOB="0800d354", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32=r4], 0x90}}, 0x0) [ 3099.315117][T23174] block nbd0: Unsupported socket: shutdown callout must be supported. 10:35:54 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$nbd(&(0x7f0000000380), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000000c0)=ANY=[@ANYBLOB="90000000", @ANYRES16=r2, @ANYBLOB="01000000000000000000010000000c00050000000000fffff0000c0002000000000000000000040007800c0008000000000000000000080001"], 0x90}}, 0x0) [ 3099.371974][T23176] nbd: must specify at least one socket [ 3099.387867][T23180] block nbd0: Unsupported socket: shutdown callout must be supported. 10:35:54 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$nbd(&(0x7f0000000380), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000000c0)=ANY=[@ANYBLOB="90000000", @ANYRES16=r2, @ANYBLOB="01000000000000000000010000000c00050000000000000000740c0002000000000000000000040007800c0008000000000000000000080001"], 0x90}}, 0x0) 10:35:54 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000380), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000000c0)=ANY=[@ANYBLOB="90000000", @ANYRES16=r2, @ANYBLOB="01000000000000000000010000000c00050000000000000000020c0002000000000000000000040007800c0008000000000000000000080001"], 0x90}}, 0x0) 10:35:54 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$nbd(&(0x7f0000000380), r0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000000)) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) r4 = socket$netlink(0x10, 0x3, 0x0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000000c0)=ANY=[@ANYBLOB="90000000", @ANYRES16=r2, @ANYBLOB="01000000000000000000010000000c00050000000000000000000c000200000000b6694acc00040007800c000800000000000000000008000100000000004400078008000100", @ANYRES32, @ANYBLOB="38000100", @ANYRES32=r3, @ANYBLOB="08000100", @ANYBLOB="0800d354", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32=r4], 0x90}}, 0x0) 10:35:54 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000380), r0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000000)) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) r4 = socket$netlink(0x10, 0x3, 0x0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000000c0)=ANY=[@ANYBLOB="90000300", @ANYRES16=r2, @ANYBLOB="01000000000000000000010000000c00050000030000000000000c0002000000000000000000040007800c000800000000000000000008000100000000004400078008000100", @ANYRES32, @ANYBLOB="38000100", @ANYRES32=r3, @ANYBLOB="08000100", @ANYBLOB="0800d354", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32=r4], 0x90}}, 0x0) [ 3099.687301][T23190] nbd: nbd0 already in use [ 3099.753386][T23198] nbd: nbd0 already in use [ 3099.774287][T23197] nbd: nbd0 already in use 10:35:54 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$nbd(&(0x7f0000000380), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000000c0)=ANY=[@ANYBLOB="90000000", @ANYRES16=r2, @ANYBLOB="01000000000000000000010000000c00050000000000000000010c0002000000000000000000040007800c0008000000000000000000080001"], 0x90}}, 0x0) [ 3099.818272][T23200] block nbd0: Unsupported socket: shutdown callout must be supported. [ 3099.878507][T23183] lo speed is unknown, defaulting to 1000 [ 3100.262286][T23183] device gretap0 entered promiscuous mode [ 3100.269139][T23183] device gretap0 left promiscuous mode [ 3100.277117][T23183] ‘|‚ªu: renamed from gretap0 [ 3100.293299][T23183] ‘|‚ªu: default qdisc (pfifo_fast) fail, fallback to noqueue [ 3100.307653][T23183] A link change request failed with some changes committed already. Interface ‘|‚ªu may have been left with an inconsistent configuration, please check. [ 3100.395856][T23183] lo speed is unknown, defaulting to 1000 [ 3100.493338][T23230] device ‘|‚ªu entered promiscuous mode [ 3100.971642][T23254] device ‘|‚ªu left promiscuous mode [ 3100.977509][T23254] ‘|‚ªu: refused to change device tx_queue_len 10:35:56 executing program 5: unshare(0x40000000) mmap(&(0x7f0000000000/0xb36000)=nil, 0xb36000, 0x3, 0x8031, 0xffffffffffffffff, 0x0) unshare(0x0) r0 = socket$netlink(0x10, 0x3, 0x0) writev(r0, &(0x7f0000000080)=[{&(0x7f00000000c0)="390000001300090468fe0700000000000000ff3f04000000480100100000000004002b000a00010014a4ee1ee438d2fd000000000000007200", 0x39}], 0x1) r1 = socket$nl_route(0x10, 0x3, 0x0) sendmsg$netlink(r1, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000100)=[{&(0x7f00000001c0)=ANY=[@ANYBLOB="2800000013000100000000000000000008000000", @ANYRES32=r1, @ANYBLOB='\f\x00\x00\x00', @ANYRES32=0x0, @ANYBLOB="08000d002e14f9"], 0x28}], 0x1}, 0x0) writev(r0, &(0x7f0000000000)=[{&(0x7f0000000040)="3900000013001104680907007800000f0000ff3f04000000290a001700000000040037000a00030014917c82aa75b9a64411f6a4ee1ee438d2", 0x39}], 0x1) 10:35:56 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000380), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000000c0)=ANY=[@ANYBLOB="90000000", @ANYRES16=r2, @ANYBLOB="01000000000000000000010000000c000500000000000000007a0c0002000000000000000000040007800c0008000000000000000000080001"], 0x90}}, 0x0) 10:35:56 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000380), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000000c0)=ANY=[@ANYBLOB="90000000", @ANYRES16=r2, @ANYBLOB="01000000000000000000010000000c00050000000000000000030c0002000000000000000000040007800c0008000000000000000000080001"], 0x90}}, 0x0) 10:35:56 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000380), r0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000000)) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) r4 = socket$netlink(0x10, 0x3, 0x0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000000c0)=ANY=[@ANYBLOB="90000000", @ANYRES16=r2, @ANYBLOB="01000000000000000000010000000c00050000000000000000000c000200000000fffffff000040007800c000800000000000000000008000100000000004400078008000100", @ANYRES32, @ANYBLOB="38000100", @ANYRES32=r3, @ANYBLOB="08000100", @ANYBLOB="0800d354", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32=r4], 0x90}}, 0x0) 10:35:56 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$nbd(&(0x7f0000000380), r0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000000)) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) r4 = socket$netlink(0x10, 0x3, 0x0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000000c0)=ANY=[@ANYBLOB="90000500", @ANYRES16=r2, @ANYBLOB="01000000000000000000010000000c00050000030000000000000c0002000000000000000000040007800c000800000000000000000008000100000000004400078008000100", @ANYRES32, @ANYBLOB="38000100", @ANYRES32=r3, @ANYBLOB="08000100", @ANYBLOB="0800d354", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32=r4], 0x90}}, 0x0) 10:35:56 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000380), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000000c0)=ANY=[@ANYBLOB="90000000", @ANYRES16=r2, @ANYBLOB="01000000000000000000010000000c00050000000000000000020c0002000000000000000000040007800c0008000000000000000000080001"], 0x90}}, 0x0) [ 3101.279727][T23260] block nbd0: Unsupported socket: shutdown callout must be supported. [ 3101.387000][T23273] block nbd0: Unsupported socket: shutdown callout must be supported. 10:35:56 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000380), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000000c0)=ANY=[@ANYBLOB="90000000", @ANYRES16=r2, @ANYBLOB="01000000000000000000010000000c00050000000000000000040c0002000000000000000000040007800c0008000000000000000000080001"], 0x90}}, 0x0) 10:35:56 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000380), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000000c0)=ANY=[@ANYBLOB="90000000", @ANYRES16=r2, @ANYBLOB="01000000000000000000010000000c00050000000000000000030c0002000000000000000000040007800c0008000000000000000000080001"], 0x90}}, 0x0) 10:35:56 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000380), r0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000000)) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) r4 = socket$netlink(0x10, 0x3, 0x0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000000c0)=ANY=[@ANYBLOB="90000600", @ANYRES16=r2, @ANYBLOB="01000000000000000000010000000c00050000030000000000000c0002000000000000000000040007800c000800000000000000000008000100000000004400078008000100", @ANYRES32, @ANYBLOB="38000100", @ANYRES32=r3, @ANYBLOB="08000100", @ANYBLOB="0800d354", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32=r4], 0x90}}, 0x0) 10:35:56 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$nbd(&(0x7f0000000380), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000000c0)=ANY=[@ANYBLOB="90000000", @ANYRES16=r2, @ANYBLOB="01000000000000000000010000000c0005000000000000000000300002000000000000000000040007800c0008000000000000000000080001"], 0x90}}, 0x0) [ 3101.512907][T23274] lo speed is unknown, defaulting to 1000 10:35:56 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$nbd(&(0x7f0000000380), r0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000000)) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) r4 = socket$netlink(0x10, 0x3, 0x0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000000c0)=ANY=[@ANYBLOB="90000000", @ANYRES16=r2, @ANYBLOB="01000000000000000000010000000c00050000000000000000000c0002000000007fffffff00040007800c000800000000000000000008000100000000004400078008000100", @ANYRES32, @ANYBLOB="38000100", @ANYRES32=r3, @ANYBLOB="08000100", @ANYBLOB="0800d354", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32=r4], 0x90}}, 0x0) [ 3101.799467][T23299] netlink: 'syz-executor.2': attribute type 2 has an invalid length. 10:35:57 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000380), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000000c0)=ANY=[@ANYBLOB="90000000", @ANYRES16=r2, @ANYBLOB="01000000000000000000010000000c00050000000000000000040c0002000000000000000000040007800c0008000000000000000000080001"], 0x90}}, 0x0) [ 3101.856457][T23299] nbd: must specify at least one socket [ 3101.894305][T23312] block nbd0: Unsupported socket: shutdown callout must be supported. [ 3101.957191][T23299] netlink: 'syz-executor.2': attribute type 2 has an invalid length. [ 3101.990216][T23299] nbd: must specify at least one socket [ 3102.320698][T23274] __nla_validate_parse: 44 callbacks suppressed [ 3102.320721][T23274] netlink: 9 bytes leftover after parsing attributes in process `syz-executor.5'. [ 3102.352263][T23274] device gretap0 entered promiscuous mode [ 3102.363241][T23274] device gretap0 left promiscuous mode [ 3102.380650][T23274] netlink: 9 bytes leftover after parsing attributes in process `syz-executor.5'. [ 3102.389904][T23274] ‘|‚ªu: renamed from gretap0 [ 3102.426450][T23274] ‘|‚ªu: default qdisc (pfifo_fast) fail, fallback to noqueue [ 3102.445511][T23274] A link change request failed with some changes committed already. Interface ‘|‚ªu may have been left with an inconsistent configuration, please check. [ 3102.552534][T23274] lo speed is unknown, defaulting to 1000 [ 3102.625790][T23320] netlink: 9 bytes leftover after parsing attributes in process `syz-executor.5'. [ 3102.643826][T23320] device ‘|‚ªu entered promiscuous mode [ 3103.000840][T23347] device ‘|‚ªu left promiscuous mode [ 3103.006674][T23347] ‘|‚ªu: refused to change device tx_queue_len 10:35:58 executing program 5: unshare(0x40000000) mmap(&(0x7f0000000000/0xb36000)=nil, 0xb36000, 0x3, 0x8031, 0xffffffffffffffff, 0x0) unshare(0x0) r0 = socket$netlink(0x10, 0x3, 0x0) writev(r0, &(0x7f0000000080)=[{&(0x7f00000000c0)="390000001300090468fe0700000000000000ff3f04000000480100100000000004002b000a00010014a4ee1ee438d2fd000000000000007200", 0x39}], 0x1) r1 = socket$nl_route(0x10, 0x3, 0x0) sendmsg$netlink(r1, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000100)=[{&(0x7f00000001c0)=ANY=[@ANYBLOB="2800000013000100000000000000000008000000", @ANYRES32=r1, @ANYBLOB='\f\x00\x00\x00', @ANYRES32=0x0, @ANYBLOB="08000d002e14f9"], 0x28}], 0x1}, 0x0) writev(r0, &(0x7f0000000000)=[{&(0x7f0000000040)="3900000013001104680907017900000f0000ff3f04000000290a001700000000040037000a00030014917c82aa75b9a64411f6a4ee1ee438d2", 0x39}], 0x1) 10:35:58 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000380), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000000c0)=ANY=[@ANYBLOB="90000000", @ANYRES16=r2, @ANYBLOB="01000000000000000000010000000c00050000000000000000050c0002000000000000000000040007800c0008000000000000000000080001"], 0x90}}, 0x0) 10:35:58 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$nbd(&(0x7f0000000380), r0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000000)) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) r4 = socket$netlink(0x10, 0x3, 0x0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000000c0)=ANY=[@ANYBLOB="90000700", @ANYRES16=r2, @ANYBLOB="01000000000000000000010000000c00050000030000000000000c0002000000000000000000040007800c000800000000000000000008000100000000004400078008000100", @ANYRES32, @ANYBLOB="38000100", @ANYRES32=r3, @ANYBLOB="08000100", @ANYBLOB="0800d354", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32=r4], 0x90}}, 0x0) 10:35:58 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000380), r0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000000)) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) r4 = socket$netlink(0x10, 0x3, 0x0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000000c0)=ANY=[@ANYBLOB="90000000", @ANYRES16=r2, @ANYBLOB="01000000000000000000010000000c00050000000000000000000c000200000000ffffffff00040007800c000800000000000000000008000100000000004400078008000100", @ANYRES32, @ANYBLOB="38000100", @ANYRES32=r3, @ANYBLOB="08000100", @ANYBLOB="0800d354", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32=r4], 0x90}}, 0x0) 10:35:58 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$nbd(&(0x7f0000000380), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000000c0)=ANY=[@ANYBLOB="90000000", @ANYRES16=r2, @ANYBLOB="01000000000000000000010000000c0005000000000000000000600002000000000000000000040007800c0008000000000000000000080001"], 0x90}}, 0x0) 10:35:58 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$nbd(&(0x7f0000000380), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000000c0)=ANY=[@ANYBLOB="90000000", @ANYRES16=r2, @ANYBLOB="01000000000000000000010000000c00050000000000000000050c0002000000000000000000040007800c0008000000000000000000080001"], 0x90}}, 0x0) [ 3103.285751][T23353] netlink: 8 bytes leftover after parsing attributes in process `syz-executor.4'. [ 3103.326954][T23353] netlink: 4 bytes leftover after parsing attributes in process `syz-executor.4'. [ 3103.364354][T23353] netlink: 4 bytes leftover after parsing attributes in process `syz-executor.4'. [ 3103.388714][T23359] lo speed is unknown, defaulting to 1000 [ 3103.399208][T23353] block nbd0: Unsupported socket: shutdown callout must be supported. [ 3103.507968][T23379] netlink: 8 bytes leftover after parsing attributes in process `syz-executor.4'. 10:35:58 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000380), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000000c0)=ANY=[@ANYBLOB="90000000", @ANYRES16=r2, @ANYBLOB="01000000000000000000010000000c00050000000000000000060c0002000000000000000000040007800c0008000000000000000000080001"], 0x90}}, 0x0) 10:35:58 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$nbd(&(0x7f0000000380), r0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000000)) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) r4 = socket$netlink(0x10, 0x3, 0x0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000000c0)=ANY=[@ANYBLOB="90000900", @ANYRES16=r2, @ANYBLOB="01000000000000000000010000000c00050000030000000000000c0002000000000000000000040007800c000800000000000000000008000100000000004400078008000100", @ANYRES32, @ANYBLOB="38000100", @ANYRES32=r3, @ANYBLOB="08000100", @ANYBLOB="0800d354", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32=r4], 0x90}}, 0x0) 10:35:58 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000380), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000000c0)=ANY=[@ANYBLOB="90000000", @ANYRES16=r2, @ANYBLOB="01000000000000000000010000000c00050000000000000000060c0002000000000000000000040007800c0008000000000000000000080001"], 0x90}}, 0x0) 10:35:58 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000380), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000000c0)=ANY=[@ANYBLOB="90000000", @ANYRES16=r2, @ANYBLOB="01000000000000000000010000000c0005000000000000000000700002000000000000000000040007800c0008000000000000000000080001"], 0x90}}, 0x0) [ 3103.574316][T23379] netlink: 4 bytes leftover after parsing attributes in process `syz-executor.4'. [ 3103.671295][T23379] netlink: 4 bytes leftover after parsing attributes in process `syz-executor.4'. 10:35:59 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000380), r0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000000)) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) r4 = socket$netlink(0x10, 0x3, 0x0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000000c0)=ANY=[@ANYBLOB="90000000", @ANYRES16=r2, @ANYBLOB="01000000000000000000010000000c00050000000000000000000c000200f0ffffffffffff00040007800c000800000000000000000008000100000000004400078008000100", @ANYRES32, @ANYBLOB="38000100", @ANYRES32=r3, @ANYBLOB="08000100", @ANYBLOB="0800d354", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32=r4], 0x90}}, 0x0) [ 3103.834649][T23397] netlink: 76 bytes leftover after parsing attributes in process `syz-executor.0'. 10:35:59 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$nbd(&(0x7f0000000380), r0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000000)) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) r4 = socket$netlink(0x10, 0x3, 0x0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000000c0)=ANY=[@ANYBLOB="90000a00", @ANYRES16=r2, @ANYBLOB="01000000000000000000010000000c00050000030000000000000c0002000000000000000000040007800c000800000000000000000008000100000000004400078008000100", @ANYRES32, @ANYBLOB="38000100", @ANYRES32=r3, @ANYBLOB="08000100", @ANYBLOB="0800d354", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32=r4], 0x90}}, 0x0) [ 3104.069351][T23406] block nbd0: Unsupported socket: shutdown callout must be supported. [ 3104.117553][T23409] block nbd0: Unsupported socket: shutdown callout must be supported. [ 3104.358598][T23359] device gretap0 entered promiscuous mode [ 3104.365739][T23359] device gretap0 left promiscuous mode [ 3104.385332][T23359] ‘|‚ªu: renamed from gretap0 [ 3104.398555][T23359] ‘|‚ªu: default qdisc (pfifo_fast) fail, fallback to noqueue [ 3104.417936][T23359] A link change request failed with some changes committed already. Interface ‘|‚ªu may have been left with an inconsistent configuration, please check. [ 3104.467482][T23359] lo speed is unknown, defaulting to 1000 [ 3104.611565][T23359] device ‘|‚ªu entered promiscuous mode 10:35:59 executing program 5: unshare(0x40000000) mmap(&(0x7f0000000000/0xb36000)=nil, 0xb36000, 0x3, 0x8031, 0xffffffffffffffff, 0x0) unshare(0x0) r0 = socket$netlink(0x10, 0x3, 0x0) writev(r0, &(0x7f0000000080)=[{&(0x7f00000000c0)="390000001300090468fe0700000000000000ff3f04000000480100100000000004002b000a00010014a4ee1ee438d2fd000000000000007200", 0x39}], 0x1) r1 = socket$nl_route(0x10, 0x3, 0x0) sendmsg$netlink(r1, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000100)=[{&(0x7f00000001c0)=ANY=[@ANYBLOB="2800000013000100000000000000000008000000", @ANYRES32=r1, @ANYBLOB='\f\x00\x00\x00', @ANYRES32=0x0, @ANYBLOB="08000d002e14f9"], 0x28}], 0x1}, 0x0) writev(r0, &(0x7f0000000000)=[{&(0x7f0000000040)="3900000013001104680907007a00000f0000ff3f04000000290a001700000000040037000a00030014917c82aa75b9a64411f6a4ee1ee438d2", 0x39}], 0x1) 10:35:59 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$nbd(&(0x7f0000000380), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000000c0)=ANY=[@ANYBLOB="90000000", @ANYRES16=r2, @ANYBLOB="01000000000000000000010000000c00050000000000000000070c0002000000000000000000040007800c0008000000000000000000080001"], 0x90}}, 0x0) 10:35:59 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000380), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000000c0)=ANY=[@ANYBLOB="90000000", @ANYRES16=r2, @ANYBLOB="01000000000000000000010000000c00050000000000000000070c0002000000000000000000040007800c0008000000000000000000080001"], 0x90}}, 0x0) 10:35:59 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$nbd(&(0x7f0000000380), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000000c0)=ANY=[@ANYBLOB="90000000", @ANYRES16=r2, @ANYBLOB="01000000000000000000010000000c00050000000000000000007c0002000000000000000000040007800c0008000000000000000000080001"], 0x90}}, 0x0) 10:35:59 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$nbd(&(0x7f0000000380), r0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000000)) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) r4 = socket$netlink(0x10, 0x3, 0x0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000000c0)=ANY=[@ANYBLOB="90000000", @ANYRES16=r2, @ANYBLOB="01000000000000000000010000000c00050000000000000000000c0002000200000000000000040007800c000800000000000000000008000100000000004400078008000100", @ANYRES32, @ANYBLOB="38000100", @ANYRES32=r3, @ANYBLOB="08000100", @ANYBLOB="0800d354", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32=r4], 0x90}}, 0x0) 10:35:59 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000380), r0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000000)) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) r4 = socket$netlink(0x10, 0x3, 0x0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000000c0)=ANY=[@ANYBLOB="90000f00", @ANYRES16=r2, @ANYBLOB="01000000000000000000010000000c00050000030000000000000c0002000000000000000000040007800c000800000000000000000008000100000000004400078008000100", @ANYRES32, @ANYBLOB="38000100", @ANYRES32=r3, @ANYBLOB="08000100", @ANYBLOB="0800d354", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32=r4], 0x90}}, 0x0) [ 3104.900596][T23446] block nbd0: Unsupported socket: shutdown callout must be supported. [ 3105.094865][T23457] lo speed is unknown, defaulting to 1000 10:36:00 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$nbd(&(0x7f0000000380), r0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000000)) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) r4 = socket$netlink(0x10, 0x3, 0x0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000000c0)=ANY=[@ANYBLOB="90001f00", @ANYRES16=r2, @ANYBLOB="01000000000000000000010000000c00050000030000000000000c0002000000000000000000040007800c000800000000000000000008000100000000004400078008000100", @ANYRES32, @ANYBLOB="38000100", @ANYRES32=r3, @ANYBLOB="08000100", @ANYBLOB="0800d354", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32=r4], 0x90}}, 0x0) 10:36:00 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000380), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000000c0)=ANY=[@ANYBLOB="90000000", @ANYRES16=r2, @ANYBLOB="01000000000000000000010000000c0005000000000000000000030002000000000000000000040007800c0008000000000000000000080001"], 0x90}}, 0x0) 10:36:00 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000380), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000000c0)=ANY=[@ANYBLOB="90000000", @ANYRES16=r2, @ANYBLOB="01000000000000000000010000000c00050000000000000000090c0002000000000000000000040007800c0008000000000000000000080001"], 0x90}}, 0x0) 10:36:00 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000380), r0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000000)) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) r4 = socket$netlink(0x10, 0x3, 0x0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000000c0)=ANY=[@ANYBLOB="90000000", @ANYRES16=r2, @ANYBLOB="01000000000000000000010000000c00050000000000000000000c0002000300000000000000040007800c000800000000000000000008000100000000004400078008000100", @ANYRES32, @ANYBLOB="38000100", @ANYRES32=r3, @ANYBLOB="08000100", @ANYBLOB="0800d354", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32=r4], 0x90}}, 0x0) 10:36:00 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$nbd(&(0x7f0000000380), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000000c0)=ANY=[@ANYBLOB="90000000", @ANYRES16=r2, @ANYBLOB="01000000000000000000010000000c00050000000000000000090c0002000000000000000000040007800c0008000000000000000000080001"], 0x90}}, 0x0) 10:36:00 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$nbd(&(0x7f0000000380), r0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000000)) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) r4 = socket$netlink(0x10, 0x3, 0x0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000000c0)=ANY=[@ANYBLOB="90002000", @ANYRES16=r2, @ANYBLOB="01000000000000000000010000000c00050000030000000000000c0002000000000000000000040007800c000800000000000000000008000100000000004400078008000100", @ANYRES32, @ANYBLOB="38000100", @ANYRES32=r3, @ANYBLOB="08000100", @ANYBLOB="0800d354", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32=r4], 0x90}}, 0x0) [ 3105.504079][T23494] block nbd0: Unsupported socket: shutdown callout must be supported. [ 3105.596159][T23496] nbd: must specify at least one socket [ 3105.611137][T23501] block nbd0: Unsupported socket: shutdown callout must be supported. [ 3105.846202][T23457] device gretap0 entered promiscuous mode [ 3105.878418][T23457] device gretap0 left promiscuous mode [ 3105.917211][T23457] ‘|‚ªu: renamed from gretap0 [ 3105.952229][T23457] ‘|‚ªu: default qdisc (pfifo_fast) fail, fallback to noqueue [ 3105.972839][T23457] A link change request failed with some changes committed already. Interface ‘|‚ªu may have been left with an inconsistent configuration, please check. [ 3106.109055][T23457] lo speed is unknown, defaulting to 1000 [ 3106.130470][T23512] device ‘|‚ªu left promiscuous mode [ 3106.136208][T23512] ‘|‚ªu: refused to change device tx_queue_len 10:36:01 executing program 5: unshare(0x40000000) mmap(&(0x7f0000000000/0xb36000)=nil, 0xb36000, 0x3, 0x8031, 0xffffffffffffffff, 0x0) unshare(0x0) r0 = socket$netlink(0x10, 0x3, 0x0) writev(r0, &(0x7f0000000080)=[{&(0x7f00000000c0)="390000001300090468fe0700000000000000ff3f04000000480100100000000004002b000a00010014a4ee1ee438d2fd000000000000007200", 0x39}], 0x1) r1 = socket$nl_route(0x10, 0x3, 0x0) sendmsg$netlink(r1, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000100)=[{&(0x7f00000001c0)=ANY=[@ANYBLOB="2800000013000100000000000000000008000000", @ANYRES32=r1, @ANYBLOB='\f\x00\x00\x00', @ANYRES32=0x0, @ANYBLOB="08000d002e14f9"], 0x28}], 0x1}, 0x0) writev(r0, &(0x7f0000000000)=[{&(0x7f0000000040)="3900000013001104680907017a00000f0000ff3f04000000290a001700000000040037000a00030014917c82aa75b9a64411f6a4ee1ee438d2", 0x39}], 0x1) 10:36:01 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000380), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000000c0)=ANY=[@ANYBLOB="90000000", @ANYRES16=r2, @ANYBLOB="01000000000000000000010000000c000500000000000000000a0c0002000000000000000000040007800c0008000000000000000000080001"], 0x90}}, 0x0) 10:36:01 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$nbd(&(0x7f0000000380), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000000c0)=ANY=[@ANYBLOB="90000000", @ANYRES16=r2, @ANYBLOB="01000000000000000000010000000c0005000000000000000000300002000000000000000000040007800c0008000000000000000000080001"], 0x90}}, 0x0) 10:36:01 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$nbd(&(0x7f0000000380), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000000c0)=ANY=[@ANYBLOB="90000000", @ANYRES16=r2, @ANYBLOB="01000000000000000000010000000c000500000000000000000a0c0002000000000000000000040007800c0008000000000000000000080001"], 0x90}}, 0x0) 10:36:01 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$nbd(&(0x7f0000000380), r0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000000)) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) r4 = socket$netlink(0x10, 0x3, 0x0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000000c0)=ANY=[@ANYBLOB="90000000", @ANYRES16=r2, @ANYBLOB="01000000000000000000010000000c00050000000000000000000c0002000400000000000000040007800c000800000000000000000008000100000000004400078008000100", @ANYRES32, @ANYBLOB="38000100", @ANYRES32=r3, @ANYBLOB="08000100", @ANYBLOB="0800d354", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32=r4], 0x90}}, 0x0) 10:36:01 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000380), r0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000000)) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) r4 = socket$netlink(0x10, 0x3, 0x0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000000c0)=ANY=[@ANYBLOB="90003f00", @ANYRES16=r2, @ANYBLOB="01000000000000000000010000000c00050000030000000000000c0002000000000000000000040007800c000800000000000000000008000100000000004400078008000100", @ANYRES32, @ANYBLOB="38000100", @ANYRES32=r3, @ANYBLOB="08000100", @ANYBLOB="0800d354", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32=r4], 0x90}}, 0x0) [ 3106.554460][T23542] block nbd0: Unsupported socket: shutdown callout must be supported. 10:36:01 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$nbd(&(0x7f0000000380), r0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000000)) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) r4 = socket$netlink(0x10, 0x3, 0x0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000000c0)=ANY=[@ANYBLOB="90004800", @ANYRES16=r2, @ANYBLOB="01000000000000000000010000000c00050000030000000000000c0002000000000000000000040007800c000800000000000000000008000100000000004400078008000100", @ANYRES32, @ANYBLOB="38000100", @ANYRES32=r3, @ANYBLOB="08000100", @ANYBLOB="0800d354", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32=r4], 0x90}}, 0x0) [ 3106.605939][T23545] netlink: 'syz-executor.2': attribute type 2 has an invalid length. [ 3106.626507][T23545] nbd: must specify at least one socket 10:36:01 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000380), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000000c0)=ANY=[@ANYBLOB="90000000", @ANYRES16=r2, @ANYBLOB="01000000000000000000010000000c000500000000000000000f0c0002000000000000000000040007800c0008000000000000000000080001"], 0x90}}, 0x0) [ 3106.661283][T23549] block nbd0: Unsupported socket: shutdown callout must be supported. 10:36:01 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000380), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000000c0)=ANY=[@ANYBLOB="90000000", @ANYRES16=r2, @ANYBLOB="01000000000000000000010000000c0005000000000000000000600002000000000000000000040007800c0008000000000000000000080001"], 0x90}}, 0x0) 10:36:01 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000380), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000000c0)=ANY=[@ANYBLOB="90000000", @ANYRES16=r2, @ANYBLOB="01000000000000000000010000000c000500000000000000000f0c0002000000000000000000040007800c0008000000000000000000080001"], 0x90}}, 0x0) 10:36:01 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000380), r0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000000)) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) r4 = socket$netlink(0x10, 0x3, 0x0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000000c0)=ANY=[@ANYBLOB="90000000", @ANYRES16=r2, @ANYBLOB="01000000000000000000010000000c00050000000000000000000c0002000500000000000000040007800c000800000000000000000008000100000000004400078008000100", @ANYRES32, @ANYBLOB="38000100", @ANYRES32=r3, @ANYBLOB="08000100", @ANYBLOB="0800d354", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32=r4], 0x90}}, 0x0) [ 3106.887270][T23548] lo speed is unknown, defaulting to 1000 10:36:02 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$nbd(&(0x7f0000000380), r0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000000)) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) r4 = socket$netlink(0x10, 0x3, 0x0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000000c0)=ANY=[@ANYBLOB="90004c00", @ANYRES16=r2, @ANYBLOB="01000000000000000000010000000c00050000030000000000000c0002000000000000000000040007800c000800000000000000000008000100000000004400078008000100", @ANYRES32, @ANYBLOB="38000100", @ANYRES32=r3, @ANYBLOB="08000100", @ANYBLOB="0800d354", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32=r4], 0x90}}, 0x0) [ 3107.073736][T23573] block nbd0: Unsupported socket: shutdown callout must be supported. [ 3107.167462][T23577] block nbd0: Unsupported socket: shutdown callout must be supported. [ 3107.520607][T23548] __nla_validate_parse: 47 callbacks suppressed [ 3107.520627][T23548] netlink: 9 bytes leftover after parsing attributes in process `syz-executor.5'. [ 3107.539098][T23548] device gretap0 entered promiscuous mode [ 3107.554660][T23552] ‘|‚ªu: refused to change device tx_queue_len [ 3107.567182][T23548] netlink: 9 bytes leftover after parsing attributes in process `syz-executor.5'. [ 3107.576706][T23548] ‘|‚ªu: renamed from gretap0 [ 3107.585828][T23548] device ‘|‚ªu left promiscuous mode [ 3107.594891][T23548] A link change request failed with some changes committed already. Interface ‘|‚ªu may have been left with an inconsistent configuration, please check. [ 3107.666709][T23548] lo speed is unknown, defaulting to 1000 [ 3107.777961][T23598] netlink: 9 bytes leftover after parsing attributes in process `syz-executor.5'. [ 3107.798706][T23598] device ‘|‚ªu entered promiscuous mode 10:36:03 executing program 5: unshare(0x40000000) mmap(&(0x7f0000000000/0xb36000)=nil, 0xb36000, 0x3, 0x8031, 0xffffffffffffffff, 0x0) unshare(0x0) r0 = socket$netlink(0x10, 0x3, 0x0) writev(r0, &(0x7f0000000080)=[{&(0x7f00000000c0)="390000001300090468fe0700000000000000ff3f04000000480100100000000004002b000a00010014a4ee1ee438d2fd000000000000007200", 0x39}], 0x1) r1 = socket$nl_route(0x10, 0x3, 0x0) sendmsg$netlink(r1, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000100)=[{&(0x7f00000001c0)=ANY=[@ANYBLOB="2800000013000100000000000000000008000000", @ANYRES32=r1, @ANYBLOB='\f\x00\x00\x00', @ANYRES32=0x0, @ANYBLOB="08000d002e14f9"], 0x28}], 0x1}, 0x0) writev(r0, &(0x7f0000000000)=[{&(0x7f0000000040)="3900000013001104680907037a00000f0000ff3f04000000290a001700000000040037000a00030014917c82aa75b9a64411f6a4ee1ee438d2", 0x39}], 0x1) 10:36:03 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000380), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000000c0)=ANY=[@ANYBLOB="90000000", @ANYRES16=r2, @ANYBLOB="01000000000000000000010000000c00050000000000000000480c0002000000000000000000040007800c0008000000000000000000080001"], 0x90}}, 0x0) 10:36:03 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$nbd(&(0x7f0000000380), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000000c0)=ANY=[@ANYBLOB="90000000", @ANYRES16=r2, @ANYBLOB="01000000000000000000010000000c000500000000000000001f0c0002000000000000000000040007800c0008000000000000000000080001"], 0x90}}, 0x0) 10:36:03 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$nbd(&(0x7f0000000380), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000000c0)=ANY=[@ANYBLOB="90000000", @ANYRES16=r2, @ANYBLOB="01000000000000000000010000000c0005000000000000000000700002000000000000000000040007800c0008000000000000000000080001"], 0x90}}, 0x0) 10:36:03 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$nbd(&(0x7f0000000380), r0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000000)) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) r4 = socket$netlink(0x10, 0x3, 0x0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000000c0)=ANY=[@ANYBLOB="90000000", @ANYRES16=r2, @ANYBLOB="01000000000000000000010000000c00050000000000000000000c0002000600000000000000040007800c000800000000000000000008000100000000004400078008000100", @ANYRES32, @ANYBLOB="38000100", @ANYRES32=r3, @ANYBLOB="08000100", @ANYBLOB="0800d354", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32=r4], 0x90}}, 0x0) 10:36:03 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000380), r0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000000)) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) r4 = socket$netlink(0x10, 0x3, 0x0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000000c0)=ANY=[@ANYBLOB="90006000", @ANYRES16=r2, @ANYBLOB="01000000000000000000010000000c00050000030000000000000c0002000000000000000000040007800c000800000000000000000008000100000000004400078008000100", @ANYRES32, @ANYBLOB="38000100", @ANYRES32=r3, @ANYBLOB="08000100", @ANYBLOB="0800d354", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32=r4], 0x90}}, 0x0) [ 3108.672929][T23637] netlink: 76 bytes leftover after parsing attributes in process `syz-executor.0'. [ 3108.722249][T23638] netlink: 76 bytes leftover after parsing attributes in process `syz-executor.3'. [ 3108.753714][T23641] netlink: 8 bytes leftover after parsing attributes in process `syz-executor.4'. 10:36:03 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$nbd(&(0x7f0000000380), r0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000000)) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) r4 = socket$netlink(0x10, 0x3, 0x0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000000c0)=ANY=[@ANYBLOB="90006800", @ANYRES16=r2, @ANYBLOB="01000000000000000000010000000c00050000030000000000000c0002000000000000000000040007800c000800000000000000000008000100000000004400078008000100", @ANYRES32, @ANYBLOB="38000100", @ANYRES32=r3, @ANYBLOB="08000100", @ANYBLOB="0800d354", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32=r4], 0x90}}, 0x0) [ 3108.773356][T23641] netlink: 4 bytes leftover after parsing attributes in process `syz-executor.4'. [ 3108.800365][T23641] netlink: 4 bytes leftover after parsing attributes in process `syz-executor.4'. [ 3108.836521][T23641] block nbd0: Unsupported socket: shutdown callout must be supported. [ 3108.839347][T23645] lo speed is unknown, defaulting to 1000 [ 3108.890163][T23642] netlink: 'syz-executor.2': attribute type 2 has an invalid length. [ 3108.899585][T23642] nbd: must specify at least one socket [ 3108.957716][T23655] netlink: 8 bytes leftover after parsing attributes in process `syz-executor.4'. 10:36:04 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000380), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000000c0)=ANY=[@ANYBLOB="90000000", @ANYRES16=r2, @ANYBLOB="01000000000000000000010000000c00050000000000000000200c0002000000000000000000040007800c0008000000000000000000080001"], 0x90}}, 0x0) [ 3109.001792][T23655] nbd: nbd0 already in use 10:36:04 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000380), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000000c0)=ANY=[@ANYBLOB="90000000", @ANYRES16=r2, @ANYBLOB="01000000000000000000010000000c000500000000000000004c0c0002000000000000000000040007800c0008000000000000000000080001"], 0x90}}, 0x0) 10:36:04 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000380), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000000c0)=ANY=[@ANYBLOB="90000000", @ANYRES16=r2, @ANYBLOB="01000000000000000000010000000c00050000000000000000007c0002000000000000000000040007800c0008000000000000000000080001"], 0x90}}, 0x0) 10:36:04 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000380), r0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000000)) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) r4 = socket$netlink(0x10, 0x3, 0x0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000000c0)=ANY=[@ANYBLOB="90000000", @ANYRES16=r2, @ANYBLOB="01000000000000000000010000000c00050000000000000000000c0002000700000000000000040007800c000800000000000000000008000100000000004400078008000100", @ANYRES32, @ANYBLOB="38000100", @ANYRES32=r3, @ANYBLOB="08000100", @ANYBLOB="0800d354", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32=r4], 0x90}}, 0x0) 10:36:04 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$nbd(&(0x7f0000000380), r0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000000)) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) r4 = socket$netlink(0x10, 0x3, 0x0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000000c0)=ANY=[@ANYBLOB="90006c00", @ANYRES16=r2, @ANYBLOB="01000000000000000000010000000c00050000030000000000000c0002000000000000000000040007800c000800000000000000000008000100000000004400078008000100", @ANYRES32, @ANYBLOB="38000100", @ANYRES32=r3, @ANYBLOB="08000100", @ANYBLOB="0800d354", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32=r4], 0x90}}, 0x0) [ 3109.266574][T23680] netlink: 76 bytes leftover after parsing attributes in process `syz-executor.0'. [ 3109.373637][T23687] nbd: must specify at least one socket [ 3109.403651][T23689] block nbd0: Unsupported socket: shutdown callout must be supported. [ 3109.485237][T23693] block nbd0: Unsupported socket: shutdown callout must be supported. [ 3109.753865][T23645] device gretap0 entered promiscuous mode [ 3109.768983][T23645] device gretap0 left promiscuous mode [ 3109.788196][T23645] ‘|‚ªu: renamed from gretap0 [ 3109.812727][T23645] ‘|‚ªu: default qdisc (pfifo_fast) fail, fallback to noqueue [ 3109.831581][T23645] A link change request failed with some changes committed already. Interface ‘|‚ªu may have been left with an inconsistent configuration, please check. [ 3109.894289][T23645] lo speed is unknown, defaulting to 1000 [ 3110.429457][T23723] device ‘|‚ªu left promiscuous mode [ 3110.441003][T23723] ‘|‚ªu: refused to change device tx_queue_len 10:36:05 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000380), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000000c0)=ANY=[@ANYBLOB="90000000", @ANYRES16=r2, @ANYBLOB="01000000000000000000010000000c00050000000000000000600c0002000000000000000000040007800c0008000000000000000000080001"], 0x90}}, 0x0) 10:36:05 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000380), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000000c0)=ANY=[@ANYBLOB="90000000", @ANYRES16=r2, @ANYBLOB="01000000000000000000010000000c000500000000000000003f0c0002000000000000000000040007800c0008000000000000000000080001"], 0x90}}, 0x0) 10:36:05 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000380), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000000c0)=ANY=[@ANYBLOB="90000000", @ANYRES16=r2, @ANYBLOB="01000000000000000000010000000c00050000000000000000000c0202000000000000000000040007800c0008000000000000000000080001"], 0x90}}, 0x0) 10:36:05 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000380), r0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000000)) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) r4 = socket$netlink(0x10, 0x3, 0x0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000000c0)=ANY=[@ANYBLOB="90000000", @ANYRES16=r2, @ANYBLOB="01000000000000000000010000000c00050000000000000000000c0002000900000000000000040007800c000800000000000000000008000100000000004400078008000100", @ANYRES32, @ANYBLOB="38000100", @ANYRES32=r3, @ANYBLOB="08000100", @ANYBLOB="0800d354", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32=r4], 0x90}}, 0x0) 10:36:05 executing program 5: unshare(0x40000000) mmap(&(0x7f0000000000/0xb36000)=nil, 0xb36000, 0x3, 0x8031, 0xffffffffffffffff, 0x0) unshare(0x0) r0 = socket$netlink(0x10, 0x3, 0x0) writev(r0, &(0x7f0000000080)=[{&(0x7f00000000c0)="390000001300090468fe0700000000000000ff3f04000000480100100000000004002b000a00010014a4ee1ee438d2fd000000000000007200", 0x39}], 0x1) r1 = socket$nl_route(0x10, 0x3, 0x0) sendmsg$netlink(r1, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000100)=[{&(0x7f00000001c0)=ANY=[@ANYBLOB="2800000013000100000000000000000008000000", @ANYRES32=r1, @ANYBLOB='\f\x00\x00\x00', @ANYRES32=0x0, @ANYBLOB="08000d002e14f9"], 0x28}], 0x1}, 0x0) writev(r0, &(0x7f0000000000)=[{&(0x7f0000000040)="3900000013001104680907008100000f0000ff3f04000000290a001700000000040037000a00030014917c82aa75b9a64411f6a4ee1ee438d2", 0x39}], 0x1) 10:36:05 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000380), r0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000000)) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) r4 = socket$netlink(0x10, 0x3, 0x0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000000c0)=ANY=[@ANYBLOB="90007400", @ANYRES16=r2, @ANYBLOB="01000000000000000000010000000c00050000030000000000000c0002000000000000000000040007800c000800000000000000000008000100000000004400078008000100", @ANYRES32, @ANYBLOB="38000100", @ANYRES32=r3, @ANYBLOB="08000100", @ANYBLOB="0800d354", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32=r4], 0x90}}, 0x0) [ 3110.825374][T23734] block nbd0: Unsupported socket: shutdown callout must be supported. 10:36:06 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000380), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000000c0)=ANY=[@ANYBLOB="90000000", @ANYRES16=r2, @ANYBLOB="01000000000000000000010000000c00050000000000000000680c0002000000000000000000040007800c0008000000000000000000080001"], 0x90}}, 0x0) [ 3110.912465][T23741] block nbd0: Unsupported socket: shutdown callout must be supported. 10:36:06 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$nbd(&(0x7f0000000380), r0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000000)) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) r4 = socket$netlink(0x10, 0x3, 0x0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000000c0)=ANY=[@ANYBLOB="90007a00", @ANYRES16=r2, @ANYBLOB="01000000000000000000010000000c00050000030000000000000c0002000000000000000000040007800c000800000000000000000008000100000000004400078008000100", @ANYRES32, @ANYBLOB="38000100", @ANYRES32=r3, @ANYBLOB="08000100", @ANYBLOB="0800d354", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32=r4], 0x90}}, 0x0) 10:36:06 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000380), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000000c0)=ANY=[@ANYBLOB="90000000", @ANYRES16=r2, @ANYBLOB="01000000000000000000010000000c00050000000000000000480c0002000000000000000000040007800c0008000000000000000000080001"], 0x90}}, 0x0) 10:36:06 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000380), r0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000000)) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) r4 = socket$netlink(0x10, 0x3, 0x0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000000c0)=ANY=[@ANYBLOB="90000000", @ANYRES16=r2, @ANYBLOB="01000000000000000000010000000c00050000000000000000000c0002000a00000000000000040007800c000800000000000000000008000100000000004400078008000100", @ANYRES32, @ANYBLOB="38000100", @ANYRES32=r3, @ANYBLOB="08000100", @ANYBLOB="0800d354", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32=r4], 0x90}}, 0x0) 10:36:06 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$nbd(&(0x7f0000000380), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000000c0)=ANY=[@ANYBLOB="90000000", @ANYRES16=r2, @ANYBLOB="01000000000000000000010000000c00050000000000000000000c0302000000000000000000040007800c0008000000000000000000080001"], 0x90}}, 0x0) [ 3111.054420][T23742] lo speed is unknown, defaulting to 1000 [ 3111.164715][T23754] nbd: nbd0 already in use [ 3111.232618][T23763] nbd: nbd0 already in use 10:36:06 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000380), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000000c0)=ANY=[@ANYBLOB="90000000", @ANYRES16=r2, @ANYBLOB="01000000000000000000010000000c000500000000000000006c0c0002000000000000000000040007800c0008000000000000000000080001"], 0x90}}, 0x0) [ 3111.329819][T23774] block nbd0: Unsupported socket: shutdown callout must be supported. 10:36:06 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$nbd(&(0x7f0000000380), r0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000000)) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) r4 = socket$netlink(0x10, 0x3, 0x0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000000c0)=ANY=[@ANYBLOB="9000f000", @ANYRES16=r2, @ANYBLOB="01000000000000000000010000000c00050000030000000000000c0002000000000000000000040007800c000800000000000000000008000100000000004400078008000100", @ANYRES32, @ANYBLOB="38000100", @ANYRES32=r3, @ANYBLOB="08000100", @ANYBLOB="0800d354", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32=r4], 0x90}}, 0x0) 10:36:06 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000380), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000000c0)=ANY=[@ANYBLOB="90000000", @ANYRES16=r2, @ANYBLOB="01000000000000000000010000000c000500000000000000004c0c0002000000000000000000040007800c0008000000000000000000080001"], 0x90}}, 0x0) [ 3111.402312][T23777] nbd: must specify at least one socket [ 3111.422739][T23781] block nbd0: Unsupported socket: shutdown callout must be supported. 10:36:06 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000380), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000000c0)=ANY=[@ANYBLOB="90000000", @ANYRES16=r2, @ANYBLOB="01000000000000000000010000000c00050000000000000000000c0402000000000000000000040007800c0008000000000000000000080001"], 0x90}}, 0x0) 10:36:06 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000380), r0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000000)) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) r4 = socket$netlink(0x10, 0x3, 0x0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000000c0)=ANY=[@ANYBLOB="90000000", @ANYRES16=r2, @ANYBLOB="01000000000000000000010000000c00050000000000000000000c0002004800000000000000040007800c000800000000000000000008000100000000004400078008000100", @ANYRES32, @ANYBLOB="38000100", @ANYRES32=r3, @ANYBLOB="08000100", @ANYBLOB="0800d354", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32=r4], 0x90}}, 0x0) [ 3111.837709][T23797] nbd: must specify at least one socket [ 3111.865449][T23798] block nbd0: Unsupported socket: shutdown callout must be supported. [ 3111.910352][T23801] block nbd0: Unsupported socket: shutdown callout must be supported. [ 3112.027121][T23742] device gretap0 entered promiscuous mode [ 3112.044949][T23742] device gretap0 left promiscuous mode [ 3112.065819][T23742] ‘|‚ªu: renamed from gretap0 [ 3112.086015][T23742] ‘|‚ªu: default qdisc (pfifo_fast) fail, fallback to noqueue [ 3112.121762][T23742] A link change request failed with some changes committed already. Interface ‘|‚ªu may have been left with an inconsistent configuration, please check. [ 3112.195098][T23742] lo speed is unknown, defaulting to 1000 [ 3112.308782][T23742] device ‘|‚ªu entered promiscuous mode 10:36:07 executing program 5: unshare(0x40000000) mmap(&(0x7f0000000000/0xb36000)=nil, 0xb36000, 0x3, 0x8031, 0xffffffffffffffff, 0x0) unshare(0x0) r0 = socket$netlink(0x10, 0x3, 0x0) writev(r0, &(0x7f0000000080)=[{&(0x7f00000000c0)="390000001300090468fe0700000000000000ff3f04000000480100100000000004002b000a00010014a4ee1ee438d2fd000000000000007200", 0x39}], 0x1) r1 = socket$nl_route(0x10, 0x3, 0x0) sendmsg$netlink(r1, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000100)=[{&(0x7f00000001c0)=ANY=[@ANYBLOB="2800000013000100000000000000000008000000", @ANYRES32=r1, @ANYBLOB='\f\x00\x00\x00', @ANYRES32=0x0, @ANYBLOB="08000d002e14f9"], 0x28}], 0x1}, 0x0) writev(r0, &(0x7f0000000000)=[{&(0x7f0000000040)="3900000013001104680907028200000f0000ff3f04000000290a001700000000040037000a00030014917c82aa75b9a64411f6a4ee1ee438d2", 0x39}], 0x1) 10:36:07 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000380), r0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000000)) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) r4 = socket$netlink(0x10, 0x3, 0x0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000000c0)=ANY=[@ANYBLOB="90000003", @ANYRES16=r2, @ANYBLOB="01000000000000000000010000000c00050000030000000000000c0002000000000000000000040007800c000800000000000000000008000100000000004400078008000100", @ANYRES32, @ANYBLOB="38000100", @ANYRES32=r3, @ANYBLOB="08000100", @ANYBLOB="0800d354", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32=r4], 0x90}}, 0x0) 10:36:07 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000380), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000000c0)=ANY=[@ANYBLOB="90000000", @ANYRES16=r2, @ANYBLOB="01000000000000000000010000000c00050000000000000000740c0002000000000000000000040007800c0008000000000000000000080001"], 0x90}}, 0x0) 10:36:07 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$nbd(&(0x7f0000000380), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000000c0)=ANY=[@ANYBLOB="90000000", @ANYRES16=r2, @ANYBLOB="01000000000000000000010000000c00050000000000000000600c0002000000000000000000040007800c0008000000000000000000080001"], 0x90}}, 0x0) 10:36:07 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$nbd(&(0x7f0000000380), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000000c0)=ANY=[@ANYBLOB="90000000", @ANYRES16=r2, @ANYBLOB="01000000000000000000010000000c00050000000000000000000c0502000000000000000000040007800c0008000000000000000000080001"], 0x90}}, 0x0) 10:36:07 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$nbd(&(0x7f0000000380), r0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000000)) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) r4 = socket$netlink(0x10, 0x3, 0x0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000000c0)=ANY=[@ANYBLOB="90000000", @ANYRES16=r2, @ANYBLOB="01000000000000000000010000000c00050000000000000000000c0002004c00000000000000040007800c000800000000000000000008000100000000004400078008000100", @ANYRES32, @ANYBLOB="38000100", @ANYRES32=r3, @ANYBLOB="08000100", @ANYBLOB="0800d354", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32=r4], 0x90}}, 0x0) [ 3112.561059][T23836] __nla_validate_parse: 40 callbacks suppressed [ 3112.561081][T23836] netlink: 76 bytes leftover after parsing attributes in process `syz-executor.0'. [ 3112.658660][T23839] netlink: 76 bytes leftover after parsing attributes in process `syz-executor.3'. [ 3112.694337][T23837] netlink: 112 bytes leftover after parsing attributes in process `syz-executor.2'. [ 3112.718948][T23837] nbd: must specify at least one socket [ 3112.744651][T23840] netlink: 8 bytes leftover after parsing attributes in process `syz-executor.4'. [ 3112.745486][T23842] lo speed is unknown, defaulting to 1000 10:36:07 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000380), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000000c0)=ANY=[@ANYBLOB="90000000", @ANYRES16=r2, @ANYBLOB="01000000000000000000010000000c00050000000000000000680c0002000000000000000000040007800c0008000000000000000000080001"], 0x90}}, 0x0) [ 3112.772758][T23840] netlink: 4 bytes leftover after parsing attributes in process `syz-executor.4'. [ 3112.820839][T23840] netlink: 4 bytes leftover after parsing attributes in process `syz-executor.4'. [ 3112.870797][T23840] block nbd0: Unsupported socket: shutdown callout must be supported. [ 3112.946040][T23864] netlink: 8 bytes leftover after parsing attributes in process `syz-executor.4'. 10:36:08 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000380), r0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000000)) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) r4 = socket$netlink(0x10, 0x3, 0x0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000000c0)=ANY=[@ANYBLOB="90004003", @ANYRES16=r2, @ANYBLOB="01000000000000000000010000000c00050000030000000000000c0002000000000000000000040007800c000800000000000000000008000100000000004400078008000100", @ANYRES32, @ANYBLOB="38000100", @ANYRES32=r3, @ANYBLOB="08000100", @ANYBLOB="0800d354", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32=r4], 0x90}}, 0x0) 10:36:08 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$nbd(&(0x7f0000000380), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000000c0)=ANY=[@ANYBLOB="90000000", @ANYRES16=r2, @ANYBLOB="01000000000000000000010000000c00050000000000000000000c0602000000000000000000040007800c0008000000000000000000080001"], 0x90}}, 0x0) 10:36:08 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000380), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000000c0)=ANY=[@ANYBLOB="90000000", @ANYRES16=r2, @ANYBLOB="01000000000000000000010000000c000500000000000000007a0c0002000000000000000000040007800c0008000000000000000000080001"], 0x90}}, 0x0) [ 3112.992933][T23864] netlink: 4 bytes leftover after parsing attributes in process `syz-executor.4'. [ 3113.021399][T23864] netlink: 4 bytes leftover after parsing attributes in process `syz-executor.4'. 10:36:08 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$nbd(&(0x7f0000000380), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000000c0)=ANY=[@ANYBLOB="90000000", @ANYRES16=r2, @ANYBLOB="01000000000000000000010000000c000500000000000000006c0c0002000000000000000000040007800c0008000000000000000000080001"], 0x90}}, 0x0) 10:36:08 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$nbd(&(0x7f0000000380), r0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000000)) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) r4 = socket$netlink(0x10, 0x3, 0x0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000000c0)=ANY=[@ANYBLOB="90000000", @ANYRES16=r2, @ANYBLOB="01000000000000000000010000000c00050000000000000000000c0002006000000000000000040007800c000800000000000000000008000100000000004400078008000100", @ANYRES32, @ANYBLOB="38000100", @ANYRES32=r3, @ANYBLOB="08000100", @ANYBLOB="0800d354", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32=r4], 0x90}}, 0x0) [ 3113.241188][T23879] netlink: 76 bytes leftover after parsing attributes in process `syz-executor.3'. [ 3113.372402][T23886] nbd: nbd0 already in use [ 3113.728337][T23842] device gretap0 entered promiscuous mode [ 3113.735295][T23842] device gretap0 left promiscuous mode [ 3113.750047][T23842] ‘|‚ªu: renamed from gretap0 [ 3113.757449][T23842] ‘|‚ªu: default qdisc (pfifo_fast) fail, fallback to noqueue [ 3113.776251][T23842] A link change request failed with some changes committed already. Interface ‘|‚ªu may have been left with an inconsistent configuration, please check. [ 3113.827772][T23842] lo speed is unknown, defaulting to 1000 [ 3113.915909][T23895] device ‘|‚ªu left promiscuous mode [ 3113.922156][T23895] ‘|‚ªu: refused to change device tx_queue_len 10:36:09 executing program 5: unshare(0x40000000) mmap(&(0x7f0000000000/0xb36000)=nil, 0xb36000, 0x3, 0x8031, 0xffffffffffffffff, 0x0) unshare(0x0) r0 = socket$netlink(0x10, 0x3, 0x0) writev(r0, &(0x7f0000000080)=[{&(0x7f00000000c0)="390000001300090468fe0700000000000000ff3f04000000480100100000000004002b000a00010014a4ee1ee438d2fd000000000000007200", 0x39}], 0x1) r1 = socket$nl_route(0x10, 0x3, 0x0) sendmsg$netlink(r1, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000100)=[{&(0x7f00000001c0)=ANY=[@ANYBLOB="2800000013000100000000000000000008000000", @ANYRES32=r1, @ANYBLOB='\f\x00\x00\x00', @ANYRES32=0x0, @ANYBLOB="08000d002e14f9"], 0x28}], 0x1}, 0x0) writev(r0, &(0x7f0000000000)=[{&(0x7f0000000040)="3900000013001104680907028500000f0000ff3f04000000290a001700000000040037000a00030014917c82aa75b9a64411f6a4ee1ee438d2", 0x39}], 0x1) 10:36:09 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$nbd(&(0x7f0000000380), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000000c0)=ANY=[@ANYBLOB="90000000", @ANYRES16=r2, @ANYBLOB="01000000000000000000010000000c00050000000000000000000c0702000000000000000000040007800c0008000000000000000000080001"], 0x90}}, 0x0) 10:36:09 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000380), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000000c0)=ANY=[@ANYBLOB="90000000", @ANYRES16=r2, @ANYBLOB="01000000000000000000010000000c0005000000000000000000300002000000000000000000040007800c0008000000000000000000080001"], 0x90}}, 0x0) 10:36:09 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$nbd(&(0x7f0000000380), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000000c0)=ANY=[@ANYBLOB="90000000", @ANYRES16=r2, @ANYBLOB="01000000000000000000010000000c00050000000000000000740c0002000000000000000000040007800c0008000000000000000000080001"], 0x90}}, 0x0) 10:36:09 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$nbd(&(0x7f0000000380), r0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000000)) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) r4 = socket$netlink(0x10, 0x3, 0x0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000000c0)=ANY=[@ANYBLOB="90000340", @ANYRES16=r2, @ANYBLOB="01000000000000000000010000000c00050000030000000000000c0002000000000000000000040007800c000800000000000000000008000100000000004400078008000100", @ANYRES32, @ANYBLOB="38000100", @ANYRES32=r3, @ANYBLOB="08000100", @ANYBLOB="0800d354", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32=r4], 0x90}}, 0x0) 10:36:09 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000380), r0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000000)) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) r4 = socket$netlink(0x10, 0x3, 0x0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000000c0)=ANY=[@ANYBLOB="90000000", @ANYRES16=r2, @ANYBLOB="01000000000000000000010000000c00050000000000000000000c0002006800000000000000040007800c000800000000000000000008000100000000004400078008000100", @ANYRES32, @ANYBLOB="38000100", @ANYRES32=r3, @ANYBLOB="08000100", @ANYBLOB="0800d354", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32=r4], 0x90}}, 0x0) [ 3114.200702][T23927] block nbd0: Unsupported socket: shutdown callout must be supported. 10:36:09 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$nbd(&(0x7f0000000380), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000000c0)=ANY=[@ANYBLOB="90000000", @ANYRES16=r2, @ANYBLOB="01000000000000000000010000000c000500000000000000007a0c0002000000000000000000040007800c0008000000000000000000080001"], 0x90}}, 0x0) [ 3114.250776][T23929] netlink: 'syz-executor.3': attribute type 2 has an invalid length. [ 3114.274318][T23929] nbd: must specify at least one socket 10:36:09 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$nbd(&(0x7f0000000380), r0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000000)) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) r4 = socket$netlink(0x10, 0x3, 0x0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000000c0)=ANY=[@ANYBLOB="90fffff0", @ANYRES16=r2, @ANYBLOB="01000000000000000000010000000c00050000030000000000000c0002000000000000000000040007800c000800000000000000000008000100000000004400078008000100", @ANYRES32, @ANYBLOB="38000100", @ANYRES32=r3, @ANYBLOB="08000100", @ANYBLOB="0800d354", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32=r4], 0x90}}, 0x0) 10:36:09 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000380), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000000c0)=ANY=[@ANYBLOB="90000000", @ANYRES16=r2, @ANYBLOB="01000000000000000000010000000c00050000000000000000000c0902000000000000000000040007800c0008000000000000000000080001"], 0x90}}, 0x0) 10:36:09 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000380), r0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000000)) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) r4 = socket$netlink(0x10, 0x3, 0x0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000000c0)=ANY=[@ANYBLOB="90000000", @ANYRES16=r2, @ANYBLOB="01000000000000000000010000000c00050000000000000000000c0002006c00000000000000040007800c000800000000000000000008000100000000004400078008000100", @ANYRES32, @ANYBLOB="38000100", @ANYRES32=r3, @ANYBLOB="08000100", @ANYBLOB="0800d354", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32=r4], 0x90}}, 0x0) 10:36:09 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000380), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000000c0)=ANY=[@ANYBLOB="90000000", @ANYRES16=r2, @ANYBLOB="01000000000000000000010000000c0005000000000000000000600002000000000000000000040007800c0008000000000000000000080001"], 0x90}}, 0x0) [ 3114.492358][T23936] lo speed is unknown, defaulting to 1000 10:36:09 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$nbd(&(0x7f0000000380), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000000c0)=ANY=[@ANYBLOB="90000000", @ANYRES16=r2, @ANYBLOB="01000000000000000000010000000c00050000000000e160dc950c0002000000000000000000040007800c0008000000000000000000080001"], 0x90}}, 0x0) [ 3114.661472][T23963] nbd: must specify at least one socket [ 3114.709603][T23968] block nbd0: Unsupported socket: shutdown callout must be supported. [ 3114.764047][T23963] nbd: must specify at least one socket [ 3114.773043][T23969] netlink: 'syz-executor.3': attribute type 2 has an invalid length. [ 3114.791778][T23969] nbd: must specify at least one socket [ 3114.798567][T23972] block nbd0: Unsupported socket: shutdown callout must be supported. [ 3115.150395][T23936] device gretap0 entered promiscuous mode [ 3115.275616][T23936] device gretap0 left promiscuous mode [ 3115.286055][T23939] ‘|‚ªu: renamed from gretap0 [ 3115.295123][T23939] ‘|‚ªu: default qdisc (pfifo_fast) fail, fallback to noqueue [ 3115.307009][T23939] A link change request failed with some changes committed already. Interface ‘|‚ªu may have been left with an inconsistent configuration, please check. [ 3115.446316][T23936] lo speed is unknown, defaulting to 1000 [ 3115.592487][T23985] device ‘|‚ªu entered promiscuous mode 10:36:11 executing program 5: unshare(0x40000000) mmap(&(0x7f0000000000/0xb36000)=nil, 0xb36000, 0x3, 0x8031, 0xffffffffffffffff, 0x0) unshare(0x0) r0 = socket$netlink(0x10, 0x3, 0x0) writev(r0, &(0x7f0000000080)=[{&(0x7f00000000c0)="390000001300090468fe0700000000000000ff3f04000000480100100000000004002b000a00010014a4ee1ee438d2fd000000000000007200", 0x39}], 0x1) r1 = socket$nl_route(0x10, 0x3, 0x0) sendmsg$netlink(r1, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000100)=[{&(0x7f00000001c0)=ANY=[@ANYBLOB="2800000013000100000000000000000008000000", @ANYRES32=r1, @ANYBLOB='\f\x00\x00\x00', @ANYRES32=0x0, @ANYBLOB="08000d002e14f9"], 0x28}], 0x1}, 0x0) writev(r0, &(0x7f0000000000)=[{&(0x7f0000000040)="3900000013001104680907008600000f0000ff3f04000000290a001700000000040037000a00030014917c82aa75b9a64411f6a4ee1ee438d2", 0x39}], 0x1) 10:36:11 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000380), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000000c0)=ANY=[@ANYBLOB="90000000", @ANYRES16=r2, @ANYBLOB="01000000000000000000010000000c00050000000000000000000c0a02000000000000000000040007800c0008000000000000000000080001"], 0x90}}, 0x0) 10:36:11 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000380), r0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000000)) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) r4 = socket$netlink(0x10, 0x3, 0x0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000000c0)=ANY=[@ANYBLOB="90000000", @ANYRES16=r2, @ANYBLOB="01000000000000000000010000000c00050000030000000000000c0002000000000000000000040007800c000800000000000000000008000100000000004400078008000100", @ANYRES32, @ANYBLOB="38000100", @ANYRES32=r3, @ANYBLOB="08000100", @ANYBLOB="0800d354", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32=r4], 0x90}}, 0x0) 10:36:11 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$nbd(&(0x7f0000000380), r0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000000)) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) r4 = socket$netlink(0x10, 0x3, 0x0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000000c0)=ANY=[@ANYBLOB="90000000", @ANYRES16=r2, @ANYBLOB="01000000000000000000010000000c00050000000000000000000c0002007400000000000000040007800c000800000000000000000008000100000000004400078008000100", @ANYRES32, @ANYBLOB="38000100", @ANYRES32=r3, @ANYBLOB="08000100", @ANYBLOB="0800d354", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32=r4], 0x90}}, 0x0) 10:36:11 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000380), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000000c0)=ANY=[@ANYBLOB="90000000", @ANYRES16=r2, @ANYBLOB="01000000000000000000010000000c0005000000000000000000700002000000000000000000040007800c0008000000000000000000080001"], 0x90}}, 0x0) 10:36:11 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000380), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000000c0)=ANY=[@ANYBLOB="90000000", @ANYRES16=r2, @ANYBLOB="01000000000000000000010000000c00050000000000ffffff9e0c0002000000000000000000040007800c0008000000000000000000080001"], 0x90}}, 0x0) [ 3116.338806][T24017] nbd: must specify at least one socket [ 3116.362062][T24018] netlink: 'syz-executor.3': attribute type 2 has an invalid length. [ 3116.383200][T24018] nbd: must specify at least one socket [ 3116.399724][T24017] nbd: must specify at least one socket [ 3116.408270][T24019] block nbd0: Unsupported socket: shutdown callout must be supported. 10:36:11 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000380), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000000c0)=ANY=[@ANYBLOB="90000000", @ANYRES16=r2, @ANYBLOB="01000000000000000000010000000c00050000000000000015a00c0002000000000000000000040007800c0008000000000000000000080001"], 0x90}}, 0x0) [ 3116.451701][T24020] block nbd0: Unsupported socket: shutdown callout must be supported. [ 3116.493331][T24026] block nbd0: Unsupported socket: shutdown callout must be supported. [ 3116.520245][T24023] lo speed is unknown, defaulting to 1000 10:36:11 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000380), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000000c0)=ANY=[@ANYBLOB="90000000", @ANYRES16=r2, @ANYBLOB="01000000000000000000010000000c00050000000000000000000c0f02000000000000000000040007800c0008000000000000000000080001"], 0x90}}, 0x0) 10:36:11 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000380), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000000c0)=ANY=[@ANYBLOB="90000000", @ANYRES16=r2, @ANYBLOB="01000000000000000000010000000c00050000000000000000007c0002000000000000000000040007800c0008000000000000000000080001"], 0x90}}, 0x0) [ 3116.596220][T24030] block nbd0: Unsupported socket: shutdown callout must be supported. 10:36:11 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000380), r0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000000)) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) r4 = socket$netlink(0x10, 0x3, 0x0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000000c0)=ANY=[@ANYBLOB="90000000", @ANYRES16=r2, @ANYBLOB="01000000000000000000010000000c00050000000000000000000c0002007a00000000000000040007800c000800000000000000000008000100000000004400078008000100", @ANYRES32, @ANYBLOB="38000100", @ANYRES32=r3, @ANYBLOB="08000100", @ANYBLOB="0800d354", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32=r4], 0x90}}, 0x0) [ 3116.736825][T24044] nbd: nbd0 already in use 10:36:11 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$nbd(&(0x7f0000000380), r0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000000)) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) r4 = socket$netlink(0x10, 0x3, 0x0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000000c0)=ANY=[@ANYBLOB="90000000", @ANYRES16=r2, @ANYBLOB="01000000000000000000010000000c00050000030000000000000c0002000000000000000000040007800c000800000000000000000008000100000000004400078008000100", @ANYRES32, @ANYBLOB="38000100", @ANYRES32=r3, @ANYBLOB="08000100", @ANYBLOB="0800d354", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32=r4], 0x90}}, 0x0) [ 3116.859098][T24058] nbd: must specify at least one socket 10:36:12 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000380), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000000c0)=ANY=[@ANYBLOB="90000000", @ANYRES16=r2, @ANYBLOB="01000000000000000000010000000c0005000000000095dc60e10c0002000000000000000000040007800c0008000000000000000000080001"], 0x90}}, 0x0) [ 3116.907433][T24061] nbd: must specify at least one socket [ 3116.943350][T24058] nbd: must specify at least one socket [ 3116.995250][T24065] block nbd0: Unsupported socket: shutdown callout must be supported. [ 3117.074449][T24066] block nbd0: Unsupported socket: shutdown callout must be supported. [ 3117.158857][T24073] block nbd0: Unsupported socket: shutdown callout must be supported. [ 3117.446838][T24023] device gretap0 entered promiscuous mode [ 3117.453888][T24023] device gretap0 left promiscuous mode [ 3117.469998][T24023] ‘|‚ªu: renamed from gretap0 [ 3117.478013][T24023] ‘|‚ªu: default qdisc (pfifo_fast) fail, fallback to noqueue [ 3117.506645][T24023] A link change request failed with some changes committed already. Interface ‘|‚ªu may have been left with an inconsistent configuration, please check. [ 3117.571276][T24023] lo speed is unknown, defaulting to 1000 [ 3117.703077][T24078] __nla_validate_parse: 63 callbacks suppressed [ 3117.703099][T24078] netlink: 9 bytes leftover after parsing attributes in process `syz-executor.5'. 10:36:13 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000380), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000000c0)=ANY=[@ANYBLOB="90000000", @ANYRES16=r2, @ANYBLOB="01000000000000000000010000000c00050000000000000000000c4802000000000000000000040007800c0008000000000000000000080001"], 0x90}}, 0x0) 10:36:13 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000380), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000000c0)=ANY=[@ANYBLOB="90000000", @ANYRES16=r2, @ANYBLOB="01000000000000000000010000000c0005000000000000000000030002000000000000000000040007800c0008000000000000000000080001"], 0x90}}, 0x0) 10:36:13 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000380), r0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000000)) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) r4 = socket$netlink(0x10, 0x3, 0x0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000000c0)=ANY=[@ANYBLOB="90000000", @ANYRES16=r2, @ANYBLOB="01000000000000000000010000000c00050000000000000000000c000200f000000000000000040007800c000800000000000000000008000100000000004400078008000100", @ANYRES32, @ANYBLOB="38000100", @ANYRES32=r3, @ANYBLOB="08000100", @ANYBLOB="0800d354", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32=r4], 0x90}}, 0x0) 10:36:13 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$nbd(&(0x7f0000000380), r0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000000)) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) r4 = socket$netlink(0x10, 0x3, 0x0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000000c0)=ANY=[@ANYBLOB="90000000", @ANYRES16=r2, @ANYBLOB="01000000000000000000010000000c00050000030000000000000c0002000000000000000000040007800c000800000000000000000008000100000000004400078008000100", @ANYRES32, @ANYBLOB="38000100", @ANYRES32=r3, @ANYBLOB="08000100", @ANYBLOB="0800d354", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32=r4], 0x90}}, 0x0) 10:36:13 executing program 5: unshare(0x40000000) mmap(&(0x7f0000000000/0xb36000)=nil, 0xb36000, 0x3, 0x8031, 0xffffffffffffffff, 0x0) unshare(0x0) r0 = socket$netlink(0x10, 0x3, 0x0) writev(r0, &(0x7f0000000080)=[{&(0x7f00000000c0)="390000001300090468fe0700000000000000ff3f04000000480100100000000004002b000a00010014a4ee1ee438d2fd000000000000007200", 0x39}], 0x1) r1 = socket$nl_route(0x10, 0x3, 0x0) sendmsg$netlink(r1, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000100)=[{&(0x7f00000001c0)=ANY=[@ANYBLOB="2800000013000100000000000000000008000000", @ANYRES32=r1, @ANYBLOB='\f\x00\x00\x00', @ANYRES32=0x0, @ANYBLOB="08000d002e14f9"], 0x28}], 0x1}, 0x0) writev(r0, &(0x7f0000000000)=[{&(0x7f0000000040)="3900000013001104680907018600000f0000ff3f04000000290a001700000000040037000a00030014917c82aa75b9a64411f6a4ee1ee438d2", 0x39}], 0x1) 10:36:13 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$nbd(&(0x7f0000000380), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000000c0)=ANY=[@ANYBLOB="90000000", @ANYRES16=r2, @ANYBLOB="01000000000000000000010000000c00050000000000fffffff00c0002000000000000000000040007800c0008000000000000000000080001"], 0x90}}, 0x0) [ 3118.556905][T24114] netlink: 8 bytes leftover after parsing attributes in process `syz-executor.4'. [ 3118.606411][T24114] netlink: 4 bytes leftover after parsing attributes in process `syz-executor.4'. [ 3118.641547][T24114] netlink: 4 bytes leftover after parsing attributes in process `syz-executor.4'. [ 3118.664007][T24119] lo speed is unknown, defaulting to 1000 [ 3118.686892][T24114] block nbd0: Unsupported socket: shutdown callout must be supported. [ 3118.736636][T24113] netlink: 112 bytes leftover after parsing attributes in process `syz-executor.3'. [ 3118.767695][T24113] nbd: must specify at least one socket [ 3118.806643][T24134] netlink: 8 bytes leftover after parsing attributes in process `syz-executor.4'. [ 3118.838319][T24134] nbd: nbd0 already in use 10:36:14 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$nbd(&(0x7f0000000380), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000000c0)=ANY=[@ANYBLOB="90000000", @ANYRES16=r2, @ANYBLOB="01000000000000000000010000000c0005000000000000f0ffff0c0002000000000000000000040007800c0008000000000000000000080001"], 0x90}}, 0x0) [ 3118.895668][T24121] netlink: 8 bytes leftover after parsing attributes in process `syz-executor.1'. 10:36:14 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$nbd(&(0x7f0000000380), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000000c0)=ANY=[@ANYBLOB="90000000", @ANYRES16=r2, @ANYBLOB="01000000000000000000010000000c00050000000000000000000c4c02000000000000000000040007800c0008000000000000000000080001"], 0x90}}, 0x0) [ 3118.959108][T24121] nbd: nbd0 already in use 10:36:14 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$nbd(&(0x7f0000000380), r0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000000)) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) r4 = socket$netlink(0x10, 0x3, 0x0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000000c0)=ANY=[@ANYBLOB="90000000", @ANYRES16=r2, @ANYBLOB="01000000000000000000010000000c00050000000000000000000c0002000003000000000000040007800c000800000000000000000008000100000000004400078008000100", @ANYRES32, @ANYBLOB="38000100", @ANYRES32=r3, @ANYBLOB="08000100", @ANYBLOB="0800d354", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32=r4], 0x90}}, 0x0) 10:36:14 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000380), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000000c0)=ANY=[@ANYBLOB="90000000", @ANYRES16=r2, @ANYBLOB="01000000000000000000010000000c0005000000000000000000300002000000000000000000040007800c0008000000000000000000080001"], 0x90}}, 0x0) 10:36:14 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000380), r0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000000)) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) r4 = socket$netlink(0x10, 0x3, 0x0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000000c0)=ANY=[@ANYBLOB="90000000", @ANYRES16=r2, @ANYBLOB="01000000000000000000010000000c00050000030000000000000c0002000000000000000000040007800c000800000000000000000008000100000000004400078008000100", @ANYRES32, @ANYBLOB="38000100", @ANYRES32=r3, @ANYBLOB="08000100", @ANYBLOB="0800d354", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32=r4], 0x90}}, 0x0) [ 3119.124275][T24153] netlink: 112 bytes leftover after parsing attributes in process `syz-executor.2'. [ 3119.176269][T24153] nbd: must specify at least one socket [ 3119.235748][T24157] netlink: 76 bytes leftover after parsing attributes in process `syz-executor.0'. [ 3119.289895][T24159] netlink: 'syz-executor.3': attribute type 2 has an invalid length. [ 3119.310906][T24159] netlink: 64 bytes leftover after parsing attributes in process `syz-executor.3'. [ 3119.334796][T24159] nbd: must specify at least one socket 10:36:14 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$nbd(&(0x7f0000000380), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000000c0)=ANY=[@ANYBLOB="90000000", @ANYRES16=r2, @ANYBLOB="01000000000000000000010000000c00050000000000000000000c6002000000000000000000040007800c0008000000000000000000080001"], 0x90}}, 0x0) [ 3119.373668][T24161] block nbd0: Unsupported socket: shutdown callout must be supported. 10:36:14 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$nbd(&(0x7f0000000380), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000000c0)=ANY=[@ANYBLOB="90000000", @ANYRES16=r2, @ANYBLOB="01000000000000000000010000000c000500000000007fffffff0c0002000000000000000000040007800c0008000000000000000000080001"], 0x90}}, 0x0) [ 3119.426330][T24160] block nbd0: Unsupported socket: shutdown callout must be supported. [ 3119.460410][T24166] block nbd0: Unsupported socket: shutdown callout must be supported. 10:36:14 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000380), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000000c0)=ANY=[@ANYBLOB="90000000", @ANYRES16=r2, @ANYBLOB="01000000000000000000010000000c0005000000000000000000600002000000000000000000040007800c0008000000000000000000080001"], 0x90}}, 0x0) [ 3119.541890][T24171] nbd: must specify at least one socket 10:36:14 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$nbd(&(0x7f0000000380), r0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000000)) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) r4 = socket$netlink(0x10, 0x3, 0x0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000000c0)=ANY=[@ANYBLOB="90000000", @ANYRES16=r2, @ANYBLOB="01000000000000000000010000000c00050000030000000000000c0002000000000000000000040007800c000800000000000000000008000100000000004400078008000100", @ANYRES32, @ANYBLOB="38000100", @ANYRES32=r3, @ANYBLOB="08000100", @ANYBLOB="0800d354", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32=r4], 0x90}}, 0x0) 10:36:14 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000380), r0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000000)) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) r4 = socket$netlink(0x10, 0x3, 0x0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000000c0)=ANY=[@ANYBLOB="90000000", @ANYRES16=r2, @ANYBLOB="01000000000000000000010000000c00050000000000000000000c0002000005000000000000040007800c000800000000000000000008000100000000004400078008000100", @ANYRES32, @ANYBLOB="38000100", @ANYRES32=r3, @ANYBLOB="08000100", @ANYBLOB="0800d354", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32=r4], 0x90}}, 0x0) [ 3119.597456][T24171] nbd: must specify at least one socket [ 3119.678814][T24119] device gretap0 entered promiscuous mode [ 3119.693557][T24119] device gretap0 left promiscuous mode [ 3119.732699][T24119] ‘|‚ªu: renamed from gretap0 [ 3119.767076][T24119] ‘|‚ªu: default qdisc (pfifo_fast) fail, fallback to noqueue [ 3119.794340][T24181] netlink: 'syz-executor.3': attribute type 2 has an invalid length. [ 3119.825724][T24119] A link change request failed with some changes committed already. Interface ‘|‚ªu may have been left with an inconsistent configuration, please check. [ 3119.834928][T24181] nbd: must specify at least one socket [ 3119.913947][T24184] block nbd0: Unsupported socket: shutdown callout must be supported. [ 3119.930724][T24125] lo speed is unknown, defaulting to 1000 [ 3119.967310][T24183] block nbd0: Unsupported socket: shutdown callout must be supported. [ 3120.013052][T24189] block nbd0: Unsupported socket: shutdown callout must be supported. [ 3120.074141][T24193] block nbd0: Unsupported socket: shutdown callout must be supported. [ 3120.140530][T24175] device ‘|‚ªu left promiscuous mode [ 3120.146376][T24175] ‘|‚ªu: refused to change device tx_queue_len 10:36:17 executing program 5: unshare(0x40000000) mmap(&(0x7f0000000000/0xb36000)=nil, 0xb36000, 0x3, 0x8031, 0xffffffffffffffff, 0x0) unshare(0x0) r0 = socket$netlink(0x10, 0x3, 0x0) writev(r0, &(0x7f0000000080)=[{&(0x7f00000000c0)="390000001300090468fe0700000000000000ff3f04000000480100100000000004002b000a00010014a4ee1ee438d2fd000000000000007200", 0x39}], 0x1) r1 = socket$nl_route(0x10, 0x3, 0x0) sendmsg$netlink(r1, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000100)=[{&(0x7f00000001c0)=ANY=[@ANYBLOB="2800000013000100000000000000000008000000", @ANYRES32=r1, @ANYBLOB='\f\x00\x00\x00', @ANYRES32=0x0, @ANYBLOB="08000d002e14f9"], 0x28}], 0x1}, 0x0) writev(r0, &(0x7f0000000000)=[{&(0x7f0000000040)="3900000013001104680907038900000f0000ff3f04000000290a001700000000040037000a00030014917c82aa75b9a64411f6a4ee1ee438d2", 0x39}], 0x1) 10:36:17 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000380), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000000c0)=ANY=[@ANYBLOB="90000000", @ANYRES16=r2, @ANYBLOB="01000000000000000000010000000c000500000000009effffff0c0002000000000000000000040007800c0008000000000000000000080001"], 0x90}}, 0x0) 10:36:17 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000380), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000000c0)=ANY=[@ANYBLOB="90000000", @ANYRES16=r2, @ANYBLOB="01000000000000000000010000000c00050000000000000000000c6802000000000000000000040007800c0008000000000000000000080001"], 0x90}}, 0x0) 10:36:17 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000380), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000000c0)=ANY=[@ANYBLOB="90000000", @ANYRES16=r2, @ANYBLOB="01000000000000000000010000000c0005000000000000000000700002000000000000000000040007800c0008000000000000000000080001"], 0x90}}, 0x0) 10:36:17 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000380), r0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000000)) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) r4 = socket$netlink(0x10, 0x3, 0x0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000000c0)=ANY=[@ANYBLOB="90000000", @ANYRES16=r2, @ANYBLOB="01000000000000000000010000000c00050000030000000000000c0002000000000000000000040007800c000800000000000000000008000100000000004400078008000100", @ANYRES32, @ANYBLOB="38000100", @ANYRES32=r3, @ANYBLOB="08000100", @ANYBLOB="0800d354", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32=r4], 0x90}}, 0x0) 10:36:17 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$nbd(&(0x7f0000000380), r0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000000)) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) r4 = socket$netlink(0x10, 0x3, 0x0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000000c0)=ANY=[@ANYBLOB="90000000", @ANYRES16=r2, @ANYBLOB="01000000000000000000010000000c00050000000000000000000c0002000006000000000000040007800c000800000000000000000008000100000000004400078008000100", @ANYRES32, @ANYBLOB="38000100", @ANYRES32=r3, @ANYBLOB="08000100", @ANYBLOB="0800d354", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32=r4], 0x90}}, 0x0) [ 3122.141075][T24233] netlink: 'syz-executor.3': attribute type 2 has an invalid length. [ 3122.183500][T24233] nbd: must specify at least one socket [ 3122.220136][T24237] block nbd0: Unsupported socket: shutdown callout must be supported. 10:36:17 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000380), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000000c0)=ANY=[@ANYBLOB="90000000", @ANYRES16=r2, @ANYBLOB="01000000000000000000010000000c00050000000000f0ffffff0c0002000000000000000000040007800c0008000000000000000000080001"], 0x90}}, 0x0) [ 3122.238830][T24239] lo speed is unknown, defaulting to 1000 [ 3122.262141][T24240] block nbd0: Unsupported socket: shutdown callout must be supported. 10:36:17 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000380), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000000c0)=ANY=[@ANYBLOB="90000000", @ANYRES16=r2, @ANYBLOB="01000000000000000000010000000c00050000000000000000000c6c02000000000000000000040007800c0008000000000000000000080001"], 0x90}}, 0x0) 10:36:17 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000380), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000000c0)=ANY=[@ANYBLOB="90000000", @ANYRES16=r2, @ANYBLOB="01000000000000000000010000000c00050000000000000000007c0002000000000000000000040007800c0008000000000000000000080001"], 0x90}}, 0x0) 10:36:17 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000380), r0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000000)) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) r4 = socket$netlink(0x10, 0x3, 0x0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000000c0)=ANY=[@ANYBLOB="90000000", @ANYRES16=r2, @ANYBLOB="01000000000000000000010000000c00050000000000000000000c0002000007000000000000040007800c000800000000000000000008000100000000004400078008000100", @ANYRES32, @ANYBLOB="38000100", @ANYRES32=r3, @ANYBLOB="08000100", @ANYBLOB="0800d354", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32=r4], 0x90}}, 0x0) 10:36:17 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$nbd(&(0x7f0000000380), r0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000000)) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) r4 = socket$netlink(0x10, 0x3, 0x0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000000c0)=ANY=[@ANYBLOB="90000000", @ANYRES16=r2, @ANYBLOB="01000000000000000000010000000c00050000030000000000000c0002000000000000000000040007800c000800000000000000000008000100000000004400078008000100", @ANYRES32, @ANYBLOB="38000100", @ANYRES32=r3, @ANYBLOB="08000100", @ANYBLOB="0800d354", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32=r4], 0x90}}, 0x0) [ 3122.453850][T24259] nbd: must specify at least one socket [ 3122.514402][T24264] nbd: nbd0 already in use [ 3122.573888][T24264] nbd: nbd0 already in use [ 3122.596620][T24275] nbd: nbd0 already in use 10:36:17 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000380), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000000c0)=ANY=[@ANYBLOB="90000000", @ANYRES16=r2, @ANYBLOB="01000000000000000000010000000c00050000000000000000000c7402000000000000000000040007800c0008000000000000000000080001"], 0x90}}, 0x0) [ 3122.631943][T24278] nbd: must specify at least one socket [ 3122.666222][T24279] block nbd0: Unsupported socket: shutdown callout must be supported. [ 3122.733241][T24283] __nla_validate_parse: 48 callbacks suppressed [ 3122.733262][T24283] netlink: 8 bytes leftover after parsing attributes in process `syz-executor.1'. [ 3122.792703][T24283] netlink: 4 bytes leftover after parsing attributes in process `syz-executor.1'. [ 3122.826726][T24283] netlink: 4 bytes leftover after parsing attributes in process `syz-executor.1'. [ 3122.886941][T24289] netlink: 8 bytes leftover after parsing attributes in process `syz-executor.4'. [ 3122.913139][T24289] netlink: 4 bytes leftover after parsing attributes in process `syz-executor.4'. [ 3122.955790][T24289] netlink: 4 bytes leftover after parsing attributes in process `syz-executor.4'. [ 3123.159040][T24239] netlink: 9 bytes leftover after parsing attributes in process `syz-executor.5'. [ 3123.179386][T24239] device gretap0 entered promiscuous mode [ 3123.210028][T24239] device gretap0 left promiscuous mode [ 3123.219865][T24239] netlink: 9 bytes leftover after parsing attributes in process `syz-executor.5'. [ 3123.238847][T24239] ‘|‚ªu: renamed from gretap0 [ 3123.252898][T24239] ‘|‚ªu: default qdisc (pfifo_fast) fail, fallback to noqueue [ 3123.280603][T24239] A link change request failed with some changes committed already. Interface ‘|‚ªu may have been left with an inconsistent configuration, please check. [ 3123.345375][T24239] lo speed is unknown, defaulting to 1000 [ 3123.423697][T24295] netlink: 9 bytes leftover after parsing attributes in process `syz-executor.5'. [ 3123.440756][T24295] device ‘|‚ªu entered promiscuous mode [ 3123.833020][T24322] device ‘|‚ªu left promiscuous mode [ 3123.845628][T24322] ‘|‚ªu: refused to change device tx_queue_len 10:36:19 executing program 5: unshare(0x40000000) mmap(&(0x7f0000000000/0xb36000)=nil, 0xb36000, 0x3, 0x8031, 0xffffffffffffffff, 0x0) unshare(0x0) r0 = socket$netlink(0x10, 0x3, 0x0) writev(r0, &(0x7f0000000080)=[{&(0x7f00000000c0)="390000001300090468fe0700000000000000ff3f04000000480100100000000004002b000a00010014a4ee1ee438d2fd000000000000007200", 0x39}], 0x1) r1 = socket$nl_route(0x10, 0x3, 0x0) sendmsg$netlink(r1, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000100)=[{&(0x7f00000001c0)=ANY=[@ANYBLOB="2800000013000100000000000000000008000000", @ANYRES32=r1, @ANYBLOB='\f\x00\x00\x00', @ANYRES32=0x0, @ANYBLOB="08000d002e14f9"], 0x28}], 0x1}, 0x0) writev(r0, &(0x7f0000000000)=[{&(0x7f0000000040)="3900000013001104680907008a00000f0000ff3f04000000290a001700000000040037000a00030014917c82aa75b9a64411f6a4ee1ee438d2", 0x39}], 0x1) 10:36:19 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000380), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000000c0)=ANY=[@ANYBLOB="90000000", @ANYRES16=r2, @ANYBLOB="01000000000000000000010000000c00050000000000000000000c0202000000000000000000040007800c0008000000000000000000080001"], 0x90}}, 0x0) 10:36:19 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$nbd(&(0x7f0000000380), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000000c0)=ANY=[@ANYBLOB="90000000", @ANYRES16=r2, @ANYBLOB="01000000000000000000010000000c0005000000000000000000030002000000000000000000040007800c0008000000000000000000080001"], 0x90}}, 0x0) 10:36:19 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$nbd(&(0x7f0000000380), r0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000000)) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) r4 = socket$netlink(0x10, 0x3, 0x0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000000c0)=ANY=[@ANYBLOB="90000000", @ANYRES16=r2, @ANYBLOB="01000000000000000000010000000c00050000030000000000000c0002000000000000000000040007800c000800000000000000000008000100000000004400078008000100", @ANYRES32, @ANYBLOB="38000100", @ANYRES32=r3, @ANYBLOB="08000100", @ANYBLOB="0800d354", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32=r4], 0x90}}, 0x0) 10:36:19 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000380), r0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000000)) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) r4 = socket$netlink(0x10, 0x3, 0x0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000000c0)=ANY=[@ANYBLOB="90000000", @ANYRES16=r2, @ANYBLOB="01000000000000000000010000000c00050000000000000000000c0002000009000000000000040007800c000800000000000000000008000100000000004400078008000100", @ANYRES32, @ANYBLOB="38000100", @ANYRES32=r3, @ANYBLOB="08000100", @ANYBLOB="0800d354", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32=r4], 0x90}}, 0x0) 10:36:19 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_genetlink_get_family_id$nbd(&(0x7f0000000380), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000000c0)=ANY=[@ANYBLOB="90000000", @ANYRES16=r2, @ANYBLOB="01000000000000000000010000000c00050000000000000000000c7a02000000000000000000040007800c0008000000000000000000080001"], 0x90}}, 0x0) [ 3124.337869][T24330] netlink: 8 bytes leftover after parsing attributes in process `syz-executor.1'. [ 3124.373501][T24330] block nbd0: Unsupported socket: shutdown callout must be supported. [ 3124.411061][T24333] nbd: must specify at least one socket [ 3124.417009][T24335] nbd: must specify at least one socket [ 3124.424338][T24334] block nbd0: Unsupported socket: shutdown callout must be supported. [ 3124.500597][T24343] block nbd0: Unsupported socket: shutdown callout must be supported. [ 3124.541623][T24340] lo speed is unknown, defaulting to 1000 10:36:19 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000380), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000000c0)=ANY=[@ANYBLOB="90000000", @ANYRES16=r2, @ANYBLOB="01000000000000000000010000000c00050000000000000000000c0302000000000000000000040007800c0008000000000000000000080001"], 0x90}}, 0x0) 10:36:19 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_genetlink_get_family_id$nbd(&(0x7f0000000380), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000000c0)=ANY=[@ANYBLOB="90000000", @ANYRES16=r2, @ANYBLOB="01000000000000000000010000000c00050000000000000000000c0003000000000000000000040007800c0008000000000000000000080001"], 0x90}}, 0x0) 10:36:19 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$nbd(&(0x7f0000000380), r0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000000)) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) r4 = socket$netlink(0x10, 0x3, 0x0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000000c0)=ANY=[@ANYBLOB="90000000", @ANYRES16=r2, @ANYBLOB="01000000000000000000010000000c00050000030000000000000c0002000000000000000000040007800c000800000000000000000008000100000000004400078008000100", @ANYRES32, @ANYBLOB="38000100", @ANYRES32=r3, @ANYBLOB="08000100", @ANYBLOB="0800d354", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32=r4], 0x90}}, 0x0) 10:36:19 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000380), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000000c0)=ANY=[@ANYBLOB="90000000", @ANYRES16=r2, @ANYBLOB="01000000000000000000010000000c00050000000000000200000c0002000000000000000000040007800c0008000000000000000000080001"], 0x90}}, 0x0) [ 3124.590802][T24348] block nbd0: Unsupported socket: shutdown callout must be supported. 10:36:19 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000380), r0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000000)) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) r4 = socket$netlink(0x10, 0x3, 0x0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000000c0)=ANY=[@ANYBLOB="90000000", @ANYRES16=r2, @ANYBLOB="01000000000000000000010000000c00050000000000000000000c000200000a000000000000040007800c000800000000000000000008000100000000004400078008000100", @ANYRES32, @ANYBLOB="38000100", @ANYRES32=r3, @ANYBLOB="08000100", @ANYBLOB="0800d354", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32=r4], 0x90}}, 0x0) [ 3124.771744][T24359] nbd: must specify at least one socket [ 3124.843214][T24370] block nbd0: Unsupported socket: shutdown callout must be supported. 10:36:20 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000380), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000000c0)=ANY=[@ANYBLOB="90000000", @ANYRES16=r2, @ANYBLOB="01000000000000000000010000000c00050000000000000000000c0402000000000000000000040007800c0008000000000000000000080001"], 0x90}}, 0x0) [ 3124.939930][T24382] block nbd0: Unsupported socket: shutdown callout must be supported. [ 3125.037946][T24385] block nbd0: Unsupported socket: shutdown callout must be supported. [ 3125.114602][T24388] nbd: nbd0 already in use [ 3125.143928][T24387] nbd: must specify at least one socket [ 3125.387207][T24340] device gretap0 entered promiscuous mode [ 3125.394210][T24340] device gretap0 left promiscuous mode [ 3125.402970][T24340] ‘|‚ªu: renamed from gretap0 [ 3125.423634][T24340] ‘|‚ªu: default qdisc (pfifo_fast) fail, fallback to noqueue [ 3125.440050][T24340] A link change request failed with some changes committed already. Interface ‘|‚ªu may have been left with an inconsistent configuration, please check. [ 3125.520629][T24340] lo speed is unknown, defaulting to 1000 [ 3125.639489][T24340] device ‘|‚ªu entered promiscuous mode 10:36:20 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$nbd(&(0x7f0000000380), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000000c0)=ANY=[@ANYBLOB="90000000", @ANYRES16=r2, @ANYBLOB="01000000000000000000010000000c00050000000000000000000c0007000000000000000000040007800c0008000000000000000000080001"], 0x90}}, 0x0) 10:36:20 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$nbd(&(0x7f0000000380), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000000c0)=ANY=[@ANYBLOB="90000000", @ANYRES16=r2, @ANYBLOB="01000000000000000000010000000c00050000000000000300000c0002000000000000000000040007800c0008000000000000000000080001"], 0x90}}, 0x0) 10:36:20 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$nbd(&(0x7f0000000380), r0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000000)) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) r4 = socket$netlink(0x10, 0x3, 0x0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000000c0)=ANY=[@ANYBLOB="90000000", @ANYRES16=r2, @ANYBLOB="01000000000000000000010000000c00050000030000000000000c0002000000000000000000040007800c000800000000000000000008000100000000004400078008000100", @ANYRES32, @ANYBLOB="38000100", @ANYRES32=r3, @ANYBLOB="08000100", @ANYBLOB="0800d354", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32=r4], 0x90}}, 0x0) 10:36:20 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000380), r0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000000)) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) r4 = socket$netlink(0x10, 0x3, 0x0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000000c0)=ANY=[@ANYBLOB="90000000", @ANYRES16=r2, @ANYBLOB="01000000000000000000010000000c00050000000000000000000c000200001f000000000000040007800c000800000000000000000008000100000000004400078008000100", @ANYRES32, @ANYBLOB="38000100", @ANYRES32=r3, @ANYBLOB="08000100", @ANYBLOB="0800d354", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32=r4], 0x90}}, 0x0) 10:36:20 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000380), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000000c0)=ANY=[@ANYBLOB="90000000", @ANYRES16=r2, @ANYBLOB="01000000000000000000010000000c00050000000000000000000c0502000000000000000000040007800c0008000000000000000000080001"], 0x90}}, 0x0) 10:36:20 executing program 5: unshare(0x40000000) mmap(&(0x7f0000000000/0xb36000)=nil, 0xb36000, 0x3, 0x8031, 0xffffffffffffffff, 0x0) unshare(0x0) r0 = socket$netlink(0x10, 0x3, 0x0) writev(r0, &(0x7f0000000080)=[{&(0x7f00000000c0)="390000001300090468fe0700000000000000ff3f04000000480100100000000004002b000a00010014a4ee1ee438d2fd000000000000007200", 0x39}], 0x1) r1 = socket$nl_route(0x10, 0x3, 0x0) sendmsg$netlink(r1, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000100)=[{&(0x7f00000001c0)=ANY=[@ANYBLOB="2800000013000100000000000000000008000000", @ANYRES32=r1, @ANYBLOB='\f\x00\x00\x00', @ANYRES32=0x0, @ANYBLOB="08000d002e14f9"], 0x28}], 0x1}, 0x0) writev(r0, &(0x7f0000000000)=[{&(0x7f0000000040)="3900000013001104680907018a00000f0000ff3f04000000290a001700000000040037000a00030014917c82aa75b9a64411f6a4ee1ee438d2", 0x39}], 0x1) [ 3125.892108][T24422] block nbd0: Unsupported socket: shutdown callout must be supported. [ 3125.943454][T24423] nbd: must specify at least one socket [ 3125.954602][T24428] nbd: must specify a size in bytes for the device [ 3125.993190][T24427] nbd: nbd0 already in use [ 3125.998295][T24426] nbd: nbd0 already in use [ 3126.006401][T24423] nbd: must specify at least one socket [ 3126.016389][T24429] nbd: nbd0 already in use [ 3126.031554][T24435] nbd: nbd0 already in use [ 3126.100669][T24430] lo speed is unknown, defaulting to 1000 10:36:21 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000380), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000000c0)=ANY=[@ANYBLOB="90000000", @ANYRES16=r2, @ANYBLOB="01000000000000000000010000000c00050000000000000400000c0002000000000000000000040007800c0008000000000000000000080001"], 0x90}}, 0x0) 10:36:21 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000380), r0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000000)) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) r4 = socket$netlink(0x10, 0x3, 0x0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000000c0)=ANY=[@ANYBLOB="90000000", @ANYRES16=r2, @ANYBLOB="01000000000000000000010000000c00050000000000000000000c0002000020000000000000040007800c000800000000000000000008000100000000004400078008000100", @ANYRES32, @ANYBLOB="38000100", @ANYRES32=r3, @ANYBLOB="08000100", @ANYBLOB="0800d354", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32=r4], 0x90}}, 0x0) 10:36:21 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$nbd(&(0x7f0000000380), r0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000000)) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) r4 = socket$netlink(0x10, 0x3, 0x0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000000c0)=ANY=[@ANYBLOB="90000000", @ANYRES16=r2, @ANYBLOB="01000000000000000000010000000c00050000030000000000000c0002000000000000000000040007800c000800000000000000000008000100000000004400078008000100", @ANYRES32, @ANYBLOB="38000100", @ANYRES32=r3, @ANYBLOB="08000100", @ANYBLOB="0800d354", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32=r4], 0x90}}, 0x0) 10:36:21 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000380), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000000c0)=ANY=[@ANYBLOB="90000000", @ANYRES16=r2, @ANYBLOB="01000000000000000000010000000c00050000000000000000000c0602000000000000000000040007800c0008000000000000000000080001"], 0x90}}, 0x0) 10:36:21 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000380), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000000c0)=ANY=[@ANYBLOB="90000000", @ANYRES16=r2, @ANYBLOB="01000000000000000000010000000c00050000000000000000000c0009000000000000000000040007800c0008000000000000000000080001"], 0x90}}, 0x0) [ 3126.361307][T24454] block nbd0: Unsupported socket: shutdown callout must be supported. [ 3126.420929][T24461] nbd: must specify a size in bytes for the device [ 3126.442605][T24462] block nbd0: Unsupported socket: shutdown callout must be supported. [ 3126.490489][T24473] block nbd0: Unsupported socket: shutdown callout must be supported. 10:36:21 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000380), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000000c0)=ANY=[@ANYBLOB="90000000", @ANYRES16=r2, @ANYBLOB="01000000000000000000010000000c00050000000000000500000c0002000000000000000000040007800c0008000000000000000000080001"], 0x90}}, 0x0) 10:36:21 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000380), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000000c0)=ANY=[@ANYBLOB="90000000", @ANYRES16=r2, @ANYBLOB="01000000000000000000010000000c00050000000000000000000c0702000000000000000000040007800c0008000000000000000000080001"], 0x90}}, 0x0) 10:36:21 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000380), r0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000000)) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) r4 = socket$netlink(0x10, 0x3, 0x0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000000c0)=ANY=[@ANYBLOB="90000000", @ANYRES16=r2, @ANYBLOB="01000000000000000000010000000c00050000000000000000000c000200003f000000000000040007800c000800000000000000000008000100000000004400078008000100", @ANYRES32, @ANYBLOB="38000100", @ANYRES32=r3, @ANYBLOB="08000100", @ANYBLOB="0800d354", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32=r4], 0x90}}, 0x0) 10:36:21 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$nbd(&(0x7f0000000380), r0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000000)) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) r4 = socket$netlink(0x10, 0x3, 0x0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000000c0)=ANY=[@ANYBLOB="90000000", @ANYRES16=r2, @ANYBLOB="01000000000000000000010000000c00050000030000000000000c0002000000000000000000040007800c000800000000000000000008000100000000004400078008000100", @ANYRES32, @ANYBLOB="38000100", @ANYRES32=r3, @ANYBLOB="08000100", @ANYBLOB="0800d354", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32=r4], 0x90}}, 0x0) 10:36:21 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000380), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000000c0)=ANY=[@ANYBLOB="90000000", @ANYRES16=r2, @ANYBLOB="01000000000000000000010000000c00050000000000000000000c000a000000000000000000040007800c0008000000000000000000080001"], 0x90}}, 0x0) [ 3126.763716][T24481] nbd: must specify at least one socket [ 3126.811772][T24483] block nbd0: Unsupported socket: shutdown callout must be supported. 10:36:22 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000380), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000000c0)=ANY=[@ANYBLOB="90000000", @ANYRES16=r2, @ANYBLOB="01000000000000000000010000000c00050000000000000600000c0002000000000000000000040007800c0008000000000000000000080001"], 0x90}}, 0x0) [ 3126.900121][T24487] nbd: must specify a size in bytes for the device [ 3126.930740][T24484] nbd: nbd0 already in use [ 3126.951190][T24490] nbd: nbd0 already in use [ 3126.955957][T24489] nbd: nbd0 already in use [ 3126.971566][T24487] nbd: must specify a size in bytes for the device [ 3127.147155][T24430] device gretap0 entered promiscuous mode [ 3127.167110][T24430] device gretap0 left promiscuous mode [ 3127.186484][T24430] ‘|‚ªu: renamed from gretap0 [ 3127.211058][T24430] ‘|‚ªu: default qdisc (pfifo_fast) fail, fallback to noqueue [ 3127.231302][T24430] A link change request failed with some changes committed already. Interface ‘|‚ªu may have been left with an inconsistent configuration, please check. [ 3127.291175][T24430] lo speed is unknown, defaulting to 1000 [ 3127.423386][T24496] device ‘|‚ªu left promiscuous mode [ 3127.429424][T24496] ‘|‚ªu: refused to change device tx_queue_len 10:36:22 executing program 5: unshare(0x40000000) mmap(&(0x7f0000000000/0xb36000)=nil, 0xb36000, 0x3, 0x8031, 0xffffffffffffffff, 0x0) unshare(0x0) r0 = socket$netlink(0x10, 0x3, 0x0) writev(r0, &(0x7f0000000080)=[{&(0x7f00000000c0)="390000001300090468fe0700000000000000ff3f04000000480100100000000004002b000a00010014a4ee1ee438d2fd000000000000007200", 0x39}], 0x1) r1 = socket$nl_route(0x10, 0x3, 0x0) sendmsg$netlink(r1, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000100)=[{&(0x7f00000001c0)=ANY=[@ANYBLOB="2800000013000100000000000000000008000000", @ANYRES32=r1, @ANYBLOB='\f\x00\x00\x00', @ANYRES32=0x0, @ANYBLOB="08000d002e14f9"], 0x28}], 0x1}, 0x0) writev(r0, &(0x7f0000000000)=[{&(0x7f0000000040)="3900000013001104680907038e00000f0000ff3f04000000290a001700000000040037000a00030014917c82aa75b9a64411f6a4ee1ee438d2", 0x39}], 0x1) 10:36:22 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000380), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000000c0)=ANY=[@ANYBLOB="90000000", @ANYRES16=r2, @ANYBLOB="01000000000000000000010000000c00050000000000000000000c0902000000000000000000040007800c0008000000000000000000080001"], 0x90}}, 0x0) 10:36:22 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$nbd(&(0x7f0000000380), r0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000000)) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) r4 = socket$netlink(0x10, 0x3, 0x0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000000c0)=ANY=[@ANYBLOB="90000000", @ANYRES16=r2, @ANYBLOB="01000000000000000000010000000c00050000000000000000000c0002000048000000000000040007800c000800000000000000000008000100000000004400078008000100", @ANYRES32, @ANYBLOB="38000100", @ANYRES32=r3, @ANYBLOB="08000100", @ANYBLOB="0800d354", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32=r4], 0x90}}, 0x0) 10:36:22 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000380), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000000c0)=ANY=[@ANYBLOB="90000000", @ANYRES16=r2, @ANYBLOB="01000000000000000000010000000c00050000000000000000000c0030000000000000000000040007800c0008000000000000000000080001"], 0x90}}, 0x0) 10:36:22 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000380), r0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000000)) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) r4 = socket$netlink(0x10, 0x3, 0x0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000000c0)=ANY=[@ANYBLOB="90000000", @ANYRES16=r2, @ANYBLOB="01000000000000000000010000000c00050000030000000000000c0002000000000000000000040007800c000800000000000000000008000100000000004400078008000100", @ANYRES32, @ANYBLOB="38000100", @ANYRES32=r3, @ANYBLOB="08000100", @ANYBLOB="0800d354", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32=r4], 0x90}}, 0x0) 10:36:22 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$nbd(&(0x7f0000000380), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000000c0)=ANY=[@ANYBLOB="90000000", @ANYRES16=r2, @ANYBLOB="01000000000000000000010000000c00050000000000000700000c0002000000000000000000040007800c0008000000000000000000080001"], 0x90}}, 0x0) [ 3127.723744][T24529] nbd: must specify a size in bytes for the device [ 3127.741402][T24531] __nla_validate_parse: 67 callbacks suppressed [ 3127.741422][T24531] netlink: 8 bytes leftover after parsing attributes in process `syz-executor.4'. [ 3127.774737][T24531] netlink: 4 bytes leftover after parsing attributes in process `syz-executor.4'. [ 3127.794128][T24531] netlink: 4 bytes leftover after parsing attributes in process `syz-executor.4'. [ 3127.808807][T24531] block nbd0: Unsupported socket: shutdown callout must be supported. [ 3127.842464][T24528] netlink: 8 bytes leftover after parsing attributes in process `syz-executor.1'. [ 3127.869598][T24534] lo speed is unknown, defaulting to 1000 [ 3127.870812][T24528] netlink: 4 bytes leftover after parsing attributes in process `syz-executor.1'. [ 3127.925853][T24528] netlink: 4 bytes leftover after parsing attributes in process `syz-executor.1'. [ 3127.968072][T24528] block nbd0: Unsupported socket: shutdown callout must be supported. [ 3128.014855][T24530] netlink: 112 bytes leftover after parsing attributes in process `syz-executor.3'. [ 3128.040446][T24530] nbd: must specify at least one socket [ 3128.068433][T24546] netlink: 8 bytes leftover after parsing attributes in process `syz-executor.4'. [ 3128.107653][T24546] netlink: 4 bytes leftover after parsing attributes in process `syz-executor.4'. 10:36:23 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$nbd(&(0x7f0000000380), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000000c0)=ANY=[@ANYBLOB="90000000", @ANYRES16=r2, @ANYBLOB="01000000000000000000010000000c00050000000000000000000c0063000000000000000000040007800c0008000000000000000000080001"], 0x90}}, 0x0) [ 3128.153033][T24546] netlink: 4 bytes leftover after parsing attributes in process `syz-executor.4'. 10:36:23 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000380), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000000c0)=ANY=[@ANYBLOB="90000000", @ANYRES16=r2, @ANYBLOB="01000000000000000000010000000c00050000000000000000000c0a02000000000000000000040007800c0008000000000000000000080001"], 0x90}}, 0x0) 10:36:23 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$nbd(&(0x7f0000000380), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000000c0)=ANY=[@ANYBLOB="90000000", @ANYRES16=r2, @ANYBLOB="01000000000000000000010000000c00050000000000000900000c0002000000000000000000040007800c0008000000000000000000080001"], 0x90}}, 0x0) 10:36:23 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$nbd(&(0x7f0000000380), r0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000000)) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) r4 = socket$netlink(0x10, 0x3, 0x0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000000c0)=ANY=[@ANYBLOB="90000000", @ANYRES16=r2, @ANYBLOB="01000000000000000000010000000c00050000030000000000000c0002000000000000000000040007800c000800000000000000000008000100000000004400078008000100", @ANYRES32, @ANYBLOB="38000100", @ANYRES32=r3, @ANYBLOB="08000100", @ANYBLOB="0800d354", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32=r4], 0x90}}, 0x0) 10:36:23 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000380), r0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000000)) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) r4 = socket$netlink(0x10, 0x3, 0x0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000000c0)=ANY=[@ANYBLOB="90000000", @ANYRES16=r2, @ANYBLOB="01000000000000000000010000000c00050000000000000000000c000200004c000000000000040007800c000800000000000000000008000100000000004400078008000100", @ANYRES32, @ANYBLOB="38000100", @ANYRES32=r3, @ANYBLOB="08000100", @ANYBLOB="0800d354", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32=r4], 0x90}}, 0x0) [ 3128.296067][T24569] nbd: must specify a size in bytes for the device 10:36:23 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$nbd(&(0x7f0000000380), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000000c0)=ANY=[@ANYBLOB="90000000", @ANYRES16=r2, @ANYBLOB="01000000000000000000010000000c00050000000000000000000c0003000000000000000000040007800c0008000000000000000000080001"], 0x90}}, 0x0) [ 3128.499118][T24577] nbd: nbd0 already in use [ 3128.527733][T24578] nbd: nbd0 already in use [ 3128.541577][T24576] nbd: nbd0 already in use [ 3128.566671][T24579] nbd: must specify at least one socket [ 3128.581097][T24580] nbd: nbd0 already in use [ 3128.620217][T24583] block nbd0: Unsupported socket: shutdown callout must be supported. [ 3128.719832][T24585] nbd: must specify a size in bytes for the device [ 3128.814690][T24534] device gretap0 entered promiscuous mode [ 3128.829547][T24534] device gretap0 left promiscuous mode [ 3128.848813][T24534] ‘|‚ªu: renamed from gretap0 [ 3128.862931][T24534] ‘|‚ªu: default qdisc (pfifo_fast) fail, fallback to noqueue [ 3128.882992][T24534] A link change request failed with some changes committed already. Interface ‘|‚ªu may have been left with an inconsistent configuration, please check. [ 3128.946978][T24534] lo speed is unknown, defaulting to 1000 [ 3129.069000][T24587] device ‘|‚ªu entered promiscuous mode 10:36:24 executing program 5: unshare(0x40000000) mmap(&(0x7f0000000000/0xb36000)=nil, 0xb36000, 0x3, 0x8031, 0xffffffffffffffff, 0x0) unshare(0x0) r0 = socket$netlink(0x10, 0x3, 0x0) writev(r0, &(0x7f0000000080)=[{&(0x7f00000000c0)="390000001300090468fe0700000000000000ff3f04000000480100100000000004002b000a00010014a4ee1ee438d2fd000000000000007200", 0x39}], 0x1) r1 = socket$nl_route(0x10, 0x3, 0x0) sendmsg$netlink(r1, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000100)=[{&(0x7f00000001c0)=ANY=[@ANYBLOB="2800000013000100000000000000000008000000", @ANYRES32=r1, @ANYBLOB='\f\x00\x00\x00', @ANYRES32=0x0, @ANYBLOB="08000d002e14f9"], 0x28}], 0x1}, 0x0) writev(r0, &(0x7f0000000000)=[{&(0x7f0000000040)="3900000013001104680907009100000f0000ff3f04000000290a001700000000040037000a00030014917c82aa75b9a64411f6a4ee1ee438d2", 0x39}], 0x1) 10:36:24 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000380), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000000c0)=ANY=[@ANYBLOB="90000000", @ANYRES16=r2, @ANYBLOB="01000000000000000000010000000c00050000000000000000000c0f02000000000000000000040007800c0008000000000000000000080001"], 0x90}}, 0x0) 10:36:24 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000380), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000000c0)=ANY=[@ANYBLOB="90000000", @ANYRES16=r2, @ANYBLOB="01000000000000000000010000000c00050000000000000a00000c0002000000000000000000040007800c0008000000000000000000080001"], 0x90}}, 0x0) 10:36:24 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000380), r0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000000)) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) r4 = socket$netlink(0x10, 0x3, 0x0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000000c0)=ANY=[@ANYBLOB="90000000", @ANYRES16=r2, @ANYBLOB="01000000000000000000010000000c00050000000000000000000c0002000060000000000000040007800c000800000000000000000008000100000000004400078008000100", @ANYRES32, @ANYBLOB="38000100", @ANYRES32=r3, @ANYBLOB="08000100", @ANYBLOB="0800d354", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32=r4], 0x90}}, 0x0) 10:36:24 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$nbd(&(0x7f0000000380), r0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000000)) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) r4 = socket$netlink(0x10, 0x3, 0x0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000000c0)=ANY=[@ANYBLOB="90000000", @ANYRES16=r2, @ANYBLOB="01000000000000000000010000000c00050000030000000000000c0002000000000000000000040007800c000800000000000000000008000100000000004400078008000100", @ANYRES32, @ANYBLOB="38000100", @ANYRES32=r3, @ANYBLOB="08000100", @ANYBLOB="0800d354", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32=r4], 0x90}}, 0x0) 10:36:24 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000380), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000000c0)=ANY=[@ANYBLOB="90000000", @ANYRES16=r2, @ANYBLOB="01000000000000000000010000000c00050000000000000000000c0007000000000000000000040007800c0008000000000000000000080001"], 0x90}}, 0x0) [ 3129.367573][T24618] block nbd0: Unsupported socket: shutdown callout must be supported. [ 3129.422328][T24621] nbd: must specify a size in bytes for the device [ 3129.432297][T24622] nbd: must specify at least one socket [ 3129.438421][T24619] block nbd0: Unsupported socket: shutdown callout must be supported. [ 3129.487679][T24622] nbd: must specify at least one socket [ 3129.508770][T24628] block nbd0: Unsupported socket: shutdown callout must be supported. 10:36:24 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000380), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000000c0)=ANY=[@ANYBLOB="90000000", @ANYRES16=r2, @ANYBLOB="01000000000000000000010000000c00050000000000000000000c0009000000000000000000040007800c0008000000000000000000080001"], 0x90}}, 0x0) [ 3129.556653][T24631] block nbd0: Unsupported socket: shutdown callout must be supported. [ 3129.574737][T24629] lo speed is unknown, defaulting to 1000 10:36:24 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000380), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000000c0)=ANY=[@ANYBLOB="90000000", @ANYRES16=r2, @ANYBLOB="01000000000000000000010000000c00050000000000000f00000c0002000000000000000000040007800c0008000000000000000000080001"], 0x90}}, 0x0) 10:36:24 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000380), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000000c0)=ANY=[@ANYBLOB="90000000", @ANYRES16=r2, @ANYBLOB="01000000000000000000010000000c00050000000000000000000c4802000000000000000000040007800c0008000000000000000000080001"], 0x90}}, 0x0) 10:36:24 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000380), r0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000000)) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) r4 = socket$netlink(0x10, 0x3, 0x0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000000c0)=ANY=[@ANYBLOB="90000000", @ANYRES16=r2, @ANYBLOB="01000000000000000000010000000c00050000000000000000000c0002000068000000000000040007800c000800000000000000000008000100000000004400078008000100", @ANYRES32, @ANYBLOB="38000100", @ANYRES32=r3, @ANYBLOB="08000100", @ANYBLOB="0800d354", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32=r4], 0x90}}, 0x0) 10:36:24 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$nbd(&(0x7f0000000380), r0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000000)) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) r4 = socket$netlink(0x10, 0x3, 0x0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000000c0)=ANY=[@ANYBLOB="90000000", @ANYRES16=r2, @ANYBLOB="01000000000000000000010000000c00050000030000000000000c0002000000000000000000040007800c000800000000000000000008000100000000004400078008000100", @ANYRES32, @ANYBLOB="38000100", @ANYRES32=r3, @ANYBLOB="08000100", @ANYBLOB="0800d354", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32=r4], 0x90}}, 0x0) [ 3129.810033][T24652] nbd: must specify a size in bytes for the device [ 3129.854433][T24656] nbd: must specify at least one socket [ 3129.877373][T24652] nbd: must specify a size in bytes for the device [ 3129.951893][T24665] block nbd0: Unsupported socket: shutdown callout must be supported. [ 3129.978407][T24667] block nbd0: Unsupported socket: shutdown callout must be supported. 10:36:25 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000380), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000000c0)=ANY=[@ANYBLOB="90000000", @ANYRES16=r2, @ANYBLOB="01000000000000000000010000000c00050000000000000000000c4c02000000000000000000040007800c0008000000000000000000080001"], 0x90}}, 0x0) [ 3130.016638][T24670] block nbd0: Unsupported socket: shutdown callout must be supported. [ 3130.108810][T24672] block nbd0: Unsupported socket: shutdown callout must be supported. [ 3130.185920][T24674] nbd: must specify at least one socket [ 3130.423126][T24629] device gretap0 entered promiscuous mode [ 3130.441607][T24629] device gretap0 left promiscuous mode [ 3130.475719][T24629] ‘|‚ªu: renamed from gretap0 [ 3130.530470][T24629] ‘|‚ªu: default qdisc (pfifo_fast) fail, fallback to noqueue [ 3130.546258][T24629] A link change request failed with some changes committed already. Interface ‘|‚ªu may have been left with an inconsistent configuration, please check. [ 3130.635964][T24629] lo speed is unknown, defaulting to 1000 [ 3130.974986][T24700] device ‘|‚ªu left promiscuous mode [ 3130.990567][T24700] ‘|‚ªu: refused to change device tx_queue_len 10:36:26 executing program 5: unshare(0x40000000) mmap(&(0x7f0000000000/0xb36000)=nil, 0xb36000, 0x3, 0x8031, 0xffffffffffffffff, 0x0) unshare(0x0) r0 = socket$netlink(0x10, 0x3, 0x0) writev(r0, &(0x7f0000000080)=[{&(0x7f00000000c0)="390000001300090468fe0700000000000000ff3f04000000480100100000000004002b000a00010014a4ee1ee438d2fd000000000000007200", 0x39}], 0x1) r1 = socket$nl_route(0x10, 0x3, 0x0) sendmsg$netlink(r1, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000100)=[{&(0x7f00000001c0)=ANY=[@ANYBLOB="2800000013000100000000000000000008000000", @ANYRES32=r1, @ANYBLOB='\f\x00\x00\x00', @ANYRES32=0x0, @ANYBLOB="08000d002e14f9"], 0x28}], 0x1}, 0x0) writev(r0, &(0x7f0000000000)=[{&(0x7f0000000040)="3900000013001104680907019200000f0000ff3f04000000290a001700000000040037000a00030014917c82aa75b9a64411f6a4ee1ee438d2", 0x39}], 0x1) 10:36:26 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$nbd(&(0x7f0000000380), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000000c0)=ANY=[@ANYBLOB="90000000", @ANYRES16=r2, @ANYBLOB="01000000000000000000010000000c00050000000000004800000c0002000000000000000000040007800c0008000000000000000000080001"], 0x90}}, 0x0) 10:36:26 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$nbd(&(0x7f0000000380), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000000c0)=ANY=[@ANYBLOB="90000000", @ANYRES16=r2, @ANYBLOB="01000000000000000000010000000c00050000000000000000000c000a000000000000000000040007800c0008000000000000000000080001"], 0x90}}, 0x0) 10:36:26 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$nbd(&(0x7f0000000380), r0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000000)) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) r4 = socket$netlink(0x10, 0x3, 0x0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000000c0)=ANY=[@ANYBLOB="90000000", @ANYRES16=r2, @ANYBLOB="01000000000000000000010000000c00050000000000000000000c000200006c000000000000040007800c000800000000000000000008000100000000004400078008000100", @ANYRES32, @ANYBLOB="38000100", @ANYRES32=r3, @ANYBLOB="08000100", @ANYBLOB="0800d354", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32=r4], 0x90}}, 0x0) 10:36:26 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000380), r0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000000)) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) r4 = socket$netlink(0x10, 0x3, 0x0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000000c0)=ANY=[@ANYBLOB="90000000", @ANYRES16=r2, @ANYBLOB="01000000000000000000010000000c00050000030000000000000c0002000000000000000000040007800c000800000000000000000008000100000000004400078008000100", @ANYRES32, @ANYBLOB="38000100", @ANYRES32=r3, @ANYBLOB="08000100", @ANYBLOB="0800d354", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32=r4], 0x90}}, 0x0) 10:36:26 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000380), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000000c0)=ANY=[@ANYBLOB="90000000", @ANYRES16=r2, @ANYBLOB="01000000000000000000010000000c00050000000000000000000c6002000000000000000000040007800c0008000000000000000000080001"], 0x90}}, 0x0) [ 3131.280813][T24706] nbd: must specify at least one socket [ 3131.313064][T24709] nbd: must specify a size in bytes for the device [ 3131.337354][T24707] block nbd0: Unsupported socket: shutdown callout must be supported. [ 3131.368915][T24710] block nbd0: Unsupported socket: shutdown callout must be supported. [ 3131.414365][T24716] block nbd0: Unsupported socket: shutdown callout must be supported. [ 3131.442830][T24713] lo speed is unknown, defaulting to 1000 10:36:26 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$nbd(&(0x7f0000000380), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000000c0)=ANY=[@ANYBLOB="90000000", @ANYRES16=r2, @ANYBLOB="01000000000000000000010000000c00050000000000000000000c0030000000000000000000040007800c0008000000000000000000080001"], 0x90}}, 0x0) [ 3131.474964][T24718] block nbd0: Unsupported socket: shutdown callout must be supported. 10:36:26 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000380), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000000c0)=ANY=[@ANYBLOB="90000000", @ANYRES16=r2, @ANYBLOB="01000000000000000000010000000c00050000000000000000000c6802000000000000000000040007800c0008000000000000000000080001"], 0x90}}, 0x0) 10:36:26 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$nbd(&(0x7f0000000380), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000000c0)=ANY=[@ANYBLOB="90000000", @ANYRES16=r2, @ANYBLOB="01000000000000000000010000000c00050000000000004c00000c0002000000000000000000040007800c0008000000000000000000080001"], 0x90}}, 0x0) 10:36:26 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$nbd(&(0x7f0000000380), r0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000000)) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) r4 = socket$netlink(0x10, 0x3, 0x0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000000c0)=ANY=[@ANYBLOB="90000000", @ANYRES16=r2, @ANYBLOB="01000000000000000000010000000c00050000030000000000000c0002000000000000000000040007800c000800000000000000000008000100000000004400078008000100", @ANYRES32, @ANYBLOB="38000100", @ANYRES32=r3, @ANYBLOB="08000100", @ANYBLOB="0800d354", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32=r4], 0x90}}, 0x0) 10:36:26 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000380), r0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000000)) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) r4 = socket$netlink(0x10, 0x3, 0x0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000000c0)=ANY=[@ANYBLOB="90000000", @ANYRES16=r2, @ANYBLOB="01000000000000000000010000000c00050000000000000000000c0002000074000000000000040007800c000800000000000000000008000100000000004400078008000100", @ANYRES32, @ANYBLOB="38000100", @ANYRES32=r3, @ANYBLOB="08000100", @ANYBLOB="0800d354", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32=r4], 0x90}}, 0x0) [ 3131.759698][T24744] nbd: must specify a size in bytes for the device [ 3131.798781][T24747] nbd: must specify at least one socket 10:36:27 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$nbd(&(0x7f0000000380), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000000c0)=ANY=[@ANYBLOB="90000000", @ANYRES16=r2, @ANYBLOB="01000000000000000000010000000c00050000000000000000000c0063000000000000000000040007800c0008000000000000000000080001"], 0x90}}, 0x0) [ 3131.902890][T24755] block nbd0: Unsupported socket: shutdown callout must be supported. [ 3131.932750][T24756] block nbd0: Unsupported socket: shutdown callout must be supported. [ 3131.989376][T24758] block nbd0: Unsupported socket: shutdown callout must be supported. [ 3132.150441][T24764] nbd: must specify a size in bytes for the device [ 3132.347088][T24713] device gretap0 entered promiscuous mode [ 3132.360514][T24713] device gretap0 left promiscuous mode [ 3132.382386][T24713] ‘|‚ªu: renamed from gretap0 [ 3132.399324][T24713] ‘|‚ªu: default qdisc (pfifo_fast) fail, fallback to noqueue [ 3132.419261][T24713] A link change request failed with some changes committed already. Interface ‘|‚ªu may have been left with an inconsistent configuration, please check. [ 3132.496352][T24713] lo speed is unknown, defaulting to 1000 [ 3132.617398][T24768] device ‘|‚ªu entered promiscuous mode 10:36:27 executing program 5: unshare(0x40000000) mmap(&(0x7f0000000000/0xb36000)=nil, 0xb36000, 0x3, 0x8031, 0xffffffffffffffff, 0x0) unshare(0x0) r0 = socket$netlink(0x10, 0x3, 0x0) writev(r0, &(0x7f0000000080)=[{&(0x7f00000000c0)="390000001300090468fe0700000000000000ff3f04000000480100100000000004002b000a00010014a4ee1ee438d2fd000000000000007200", 0x39}], 0x1) r1 = socket$nl_route(0x10, 0x3, 0x0) sendmsg$netlink(r1, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000100)=[{&(0x7f00000001c0)=ANY=[@ANYBLOB="2800000013000100000000000000000008000000", @ANYRES32=r1, @ANYBLOB='\f\x00\x00\x00', @ANYRES32=0x0, @ANYBLOB="08000d002e14f9"], 0x28}], 0x1}, 0x0) writev(r0, &(0x7f0000000000)=[{&(0x7f0000000040)="3900000013001104680907039600000f0000ff3f04000000290a001700000000040037000a00030014917c82aa75b9a64411f6a4ee1ee438d2", 0x39}], 0x1) 10:36:27 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000380), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000000c0)=ANY=[@ANYBLOB="90000000", @ANYRES16=r2, @ANYBLOB="01000000000000000000010000000c00050000000000000000000c6c02000000000000000000040007800c0008000000000000000000080001"], 0x90}}, 0x0) 10:36:27 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000380), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000000c0)=ANY=[@ANYBLOB="90000000", @ANYRES16=r2, @ANYBLOB="01000000000000000000010000000c00050000000000006000000c0002000000000000000000040007800c0008000000000000000000080001"], 0x90}}, 0x0) 10:36:27 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000380), r0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000000)) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) r4 = socket$netlink(0x10, 0x3, 0x0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000000c0)=ANY=[@ANYBLOB="90000000", @ANYRES16=r2, @ANYBLOB="01000000000000000000010000000c00050000030000000000000c0002000000000000000000040007800c000800000000000000000008000100000000004400078008000100", @ANYRES32, @ANYBLOB="38000100", @ANYRES32=r3, @ANYBLOB="08000100", @ANYBLOB="0800d354", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32=r4], 0x90}}, 0x0) 10:36:27 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$nbd(&(0x7f0000000380), r0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000000)) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) r4 = socket$netlink(0x10, 0x3, 0x0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000000c0)=ANY=[@ANYBLOB="90000000", @ANYRES16=r2, @ANYBLOB="01000000000000000000010000000c00050000000000000000000c000200007a000000000000040007800c000800000000000000000008000100000000004400078008000100", @ANYRES32, @ANYBLOB="38000100", @ANYRES32=r3, @ANYBLOB="08000100", @ANYBLOB="0800d354", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32=r4], 0x90}}, 0x0) 10:36:27 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000380), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000000c0)=ANY=[@ANYBLOB="90000000", @ANYRES16=r2, @ANYBLOB="01000000000000000000010000000c00050000000000000000000c0002020000000000000000040007800c0008000000000000000000080001"], 0x90}}, 0x0) [ 3132.945906][T24800] __nla_validate_parse: 86 callbacks suppressed [ 3132.946490][T24800] netlink: 8 bytes leftover after parsing attributes in process `syz-executor.4'. [ 3132.986203][T24800] netlink: 4 bytes leftover after parsing attributes in process `syz-executor.4'. [ 3133.010458][T24800] netlink: 4 bytes leftover after parsing attributes in process `syz-executor.4'. [ 3133.045792][T24800] block nbd0: Unsupported socket: shutdown callout must be supported. [ 3133.090864][T24799] netlink: 76 bytes leftover after parsing attributes in process `syz-executor.0'. [ 3133.102405][T24808] lo speed is unknown, defaulting to 1000 10:36:28 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000380), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000000c0)=ANY=[@ANYBLOB="90000000", @ANYRES16=r2, @ANYBLOB="01000000000000000000010000000c00050000000000000000000c7402000000000000000000040007800c0008000000000000000000080001"], 0x90}}, 0x0) [ 3133.143567][T24815] netlink: 8 bytes leftover after parsing attributes in process `syz-executor.4'. [ 3133.180774][T24815] netlink: 4 bytes leftover after parsing attributes in process `syz-executor.4'. [ 3133.222356][T24815] netlink: 4 bytes leftover after parsing attributes in process `syz-executor.4'. [ 3133.261020][T24816] netlink: 8 bytes leftover after parsing attributes in process `syz-executor.1'. [ 3133.286693][T24816] netlink: 4 bytes leftover after parsing attributes in process `syz-executor.1'. [ 3133.326788][T24816] netlink: 52 bytes leftover after parsing attributes in process `syz-executor.1'. 10:36:28 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000380), r0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000000)) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) r4 = socket$netlink(0x10, 0x3, 0x0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000000c0)=ANY=[@ANYBLOB="90000000", @ANYRES16=r2, @ANYBLOB="01000000000000000000010000000c00050000000000000000000c00020000f0000000000000040007800c000800000000000000000008000100000000004400078008000100", @ANYRES32, @ANYBLOB="38000100", @ANYRES32=r3, @ANYBLOB="08000100", @ANYBLOB="0800d354", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32=r4], 0x90}}, 0x0) 10:36:28 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$nbd(&(0x7f0000000380), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000000c0)=ANY=[@ANYBLOB="90000000", @ANYRES16=r2, @ANYBLOB="01000000000000000000010000000c00050000000000006800000c0002000000000000000000040007800c0008000000000000000000080001"], 0x90}}, 0x0) [ 3133.491506][T24840] nbd: must specify at least one socket 10:36:28 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$nbd(&(0x7f0000000380), r0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000000)) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) r4 = socket$netlink(0x10, 0x3, 0x0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000000c0)=ANY=[@ANYBLOB="90000000", @ANYRES16=r2, @ANYBLOB="01000000000000000000010000000c00050000030000000000000c0002000000000000000000040007800c000800000000000000000008000100000000004400078008000100", @ANYRES32, @ANYBLOB="38000100", @ANYRES32=r3, @ANYBLOB="08000100", @ANYBLOB="0800d354", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32=r4], 0x90}}, 0x0) 10:36:28 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000380), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000000c0)=ANY=[@ANYBLOB="90000000", @ANYRES16=r2, @ANYBLOB="01000000000000000000010000000c00050000000000000000000c7a02000000000000000000040007800c0008000000000000000000080001"], 0x90}}, 0x0) [ 3133.695079][T24847] block nbd0: Unsupported socket: shutdown callout must be supported. [ 3133.759943][T24853] block nbd0: Unsupported socket: shutdown callout must be supported. [ 3133.875464][T24859] block nbd0: Unsupported socket: shutdown callout must be supported. 10:36:29 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000380), r0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000000)) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) r4 = socket$netlink(0x10, 0x3, 0x0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000000c0)=ANY=[@ANYBLOB="90000000", @ANYRES16=r2, @ANYBLOB="01000000000000000000010000000c00050000000000000000000c0002000000030000000000040007800c000800000000000000000008000100000000004400078008000100", @ANYRES32, @ANYBLOB="38000100", @ANYRES32=r3, @ANYBLOB="08000100", @ANYBLOB="0800d354", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32=r4], 0x90}}, 0x0) [ 3133.947255][T24860] nbd: must specify at least one socket [ 3134.171060][T24865] block nbd0: Unsupported socket: shutdown callout must be supported. [ 3134.203901][T24808] device gretap0 entered promiscuous mode [ 3134.232668][T24808] device gretap0 left promiscuous mode [ 3134.288007][T24808] ‘|‚ªu: renamed from gretap0 [ 3134.310718][T24808] ‘|‚ªu: default qdisc (pfifo_fast) fail, fallback to noqueue [ 3134.334943][T24808] A link change request failed with some changes committed already. Interface ‘|‚ªu may have been left with an inconsistent configuration, please check. [ 3134.449217][T18754] netdevsim netdevsim2 netdevsim3 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 3134.467029][T18754] netdevsim netdevsim2 netdevsim3 (unregistering): unset [1, 1] type 2 family 0 port 54981 - 0 [ 3134.593379][T24808] lo speed is unknown, defaulting to 1000 [ 3134.685447][T18754] netdevsim netdevsim2 netdevsim2 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 3134.718348][T18754] netdevsim netdevsim2 netdevsim2 (unregistering): unset [1, 1] type 2 family 0 port 54981 - 0 [ 3134.857626][T18754] netdevsim netdevsim2 netdevsim1 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 3134.898036][T18754] netdevsim netdevsim2 netdevsim1 (unregistering): unset [1, 1] type 2 family 0 port 54981 - 0 [ 3135.023676][T18754] netdevsim netdevsim2 netdevsim0 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 3135.078027][T18754] netdevsim netdevsim2 netdevsim0 (unregistering): unset [1, 1] type 2 family 0 port 54981 - 0 [ 3135.315728][T18754] ------------[ cut here ]------------ [ 3135.368254][T18754] WARNING: CPU: 0 PID: 18754 at net/core/devlink.c:11162 devlink_trap_groups_unregister+0xe8/0x110 [ 3135.398719][T18754] Modules linked in: [ 3135.415156][T18754] CPU: 0 PID: 18754 Comm: kworker/u4:6 Not tainted 5.15.0-rc6-syzkaller #0 [ 3135.459036][T18754] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 3135.495236][T18754] Workqueue: netns cleanup_net [ 3135.511584][T18754] RIP: 0010:devlink_trap_groups_unregister+0xe8/0x110 10:36:30 executing program 5: unshare(0x40000000) mmap(&(0x7f0000000000/0xb36000)=nil, 0xb36000, 0x3, 0x8031, 0xffffffffffffffff, 0x0) unshare(0x0) r0 = socket$netlink(0x10, 0x3, 0x0) writev(r0, &(0x7f0000000080)=[{&(0x7f00000000c0)="390000001300090468fe0700000000000000ff3f04000000480100100000000004002b000a00010014a4ee1ee438d2fd000000000000007200", 0x39}], 0x1) r1 = socket$nl_route(0x10, 0x3, 0x0) sendmsg$netlink(r1, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000100)=[{&(0x7f00000001c0)=ANY=[@ANYBLOB="2800000013000100000000000000000008000000", @ANYRES32=r1, @ANYBLOB='\f\x00\x00\x00', @ANYRES32=0x0, @ANYBLOB="08000d002e14f9"], 0x28}], 0x1}, 0x0) writev(r0, &(0x7f0000000000)=[{&(0x7f0000000040)="3900000013001104680907009a00000f0000ff3f04000000290a001700000000040037000a00030014917c82aa75b9a64411f6a4ee1ee438d2", 0x39}], 0x1) 10:36:30 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000380), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000000c0)=ANY=[@ANYBLOB="90000000", @ANYRES16=r2, @ANYBLOB="01000000000000000000010000000c00050000000000006c00000c0002000000000000000000040007800c0008000000000000000000080001"], 0x90}}, 0x0) 10:36:30 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000380), r0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000000)) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) r4 = socket$netlink(0x10, 0x3, 0x0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000000c0)=ANY=[@ANYBLOB="90ff77f5", @ANYRES16=r2, @ANYBLOB="01000000000000000000010000000c00050000030000000000000c0002000000000000000000040007800c000800000000000000000008000100000000004400078008000100", @ANYRES32, @ANYBLOB="38000100", @ANYRES32=r3, @ANYBLOB="08000100", @ANYBLOB="0800d354", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32=r4], 0x90}}, 0x0) 10:36:30 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000380), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000000c0)=ANY=[@ANYBLOB="90000000", @ANYRES16=r2, @ANYBLOB="01000000000000000000010000000c00050000000000000000000c0003000000000000000000040007800c0008000000000000000000080001"], 0x90}}, 0x0) 10:36:30 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$nbd(&(0x7f0000000380), r0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000000)) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) r4 = socket$netlink(0x10, 0x3, 0x0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000000c0)=ANY=[@ANYBLOB="90000000", @ANYRES16=r2, @ANYBLOB="01000000000000000000010000000c00050000000000000000000c000200fffff00000000000040007800c000800000000000000000008000100000000004400078008000100", @ANYRES32, @ANYBLOB="38000100", @ANYRES32=r3, @ANYBLOB="08000100", @ANYBLOB="0800d354", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32=r4], 0x90}}, 0x0) [ 3135.547811][T18754] Code: ff ff 31 ff 89 de e8 87 af 41 fa 83 fb ff 75 cc e8 3d a8 41 fa 4c 89 f7 5b 5d 41 5c 41 5d 41 5e e9 2d 88 05 02 e8 28 a8 41 fa <0f> 0b e9 71 ff ff ff 4c 89 ef e8 09 1b 89 fa e9 3b ff ff ff 48 89 [ 3135.653617][T18754] RSP: 0018:ffffc90004f37a00 EFLAGS: 00010293 [ 3135.689322][T18754] RAX: 0000000000000000 RBX: 0000000000000006 RCX: 0000000000000000 [ 3135.740362][T24903] nbd: must specify a size in bytes for the device [ 3135.753536][T18754] RDX: ffff88803cdeb900 RSI: ffffffff87354278 RDI: 0000000000000003 [ 3135.771271][T24902] block nbd0: Unsupported socket: shutdown callout must be supported. [ 3135.775652][T18754] RBP: 0000000000000001 R08: 0000000000000000 R09: 0000000000000001 [ 3135.795859][T18754] R10: ffffffff873541e7 R11: 0000000000000000 R12: ffffffff8a263fa0 [ 3135.805512][T18754] R13: ffff8880710d3000 R14: dffffc0000000000 R15: ffff8880710d3388 [ 3135.831136][T24909] block nbd0: Unsupported socket: shutdown callout must be supported. [ 3135.840984][T18754] FS: 0000000000000000(0000) GS:ffff8880b9d00000(0000) knlGS:0000000000000000 [ 3135.864658][T18754] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 3135.881623][T18754] CR2: 00007f0c1d007108 CR3: 000000005128f000 CR4: 00000000003506e0 [ 3135.930786][T18754] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 3135.940354][T24912] lo speed is unknown, defaulting to 1000 [ 3135.971472][T18754] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 3135.994646][T18754] Call Trace: [ 3136.006047][T18754] nsim_dev_traps_exit+0x67/0x170 [ 3136.017049][T18754] nsim_dev_reload_destroy+0x20c/0x2f0 [ 3136.045368][T18754] nsim_dev_reload_down+0xdf/0x180 [ 3136.064750][T18754] devlink_reload+0x1c2/0x6b0 [ 3136.077973][T18754] ? devlink_remote_reload_actions_performed+0xa0/0xa0 [ 3136.098154][T18754] devlink_pernet_pre_exit+0x278/0x370 [ 3136.116390][T18754] ? devlink_nl_cmd_reload+0x11d0/0x11d0 [ 3136.138181][T18754] ? nf_tables_pre_exit_net+0x119/0x490 [ 3136.158693][T18754] ? devlink_nl_cmd_reload+0x11d0/0x11d0 [ 3136.171623][T18754] cleanup_net+0x451/0xb00 [ 3136.180682][T18754] ? unregister_pernet_device+0x70/0x70 [ 3136.193098][T18754] process_one_work+0x9bf/0x16b0 [ 3136.216775][T18754] ? pwq_dec_nr_in_flight+0x2a0/0x2a0 [ 3136.235052][T18754] ? rwlock_bug.part.0+0x90/0x90 [ 3136.252661][T18754] ? _raw_spin_lock_irq+0x41/0x50 [ 3136.269639][T18754] worker_thread+0x658/0x11f0 [ 3136.280221][T18754] ? process_one_work+0x16b0/0x16b0 [ 3136.291448][T18754] kthread+0x3e5/0x4d0 [ 3136.302056][T18754] ? set_kthread_struct+0x130/0x130 [ 3136.314704][T18754] ret_from_fork+0x1f/0x30 [ 3136.326308][T18754] Kernel panic - not syncing: panic_on_warn set ... [ 3136.332927][T18754] CPU: 1 PID: 18754 Comm: kworker/u4:6 Not tainted 5.15.0-rc6-syzkaller #0 [ 3136.341543][T18754] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 3136.351624][T18754] Workqueue: netns cleanup_net [ 3136.356421][T18754] Call Trace: [ 3136.359728][T18754] dump_stack_lvl+0xcd/0x134 [ 3136.364358][T18754] panic+0x2b0/0x6dd [ 3136.368318][T18754] ? __warn_printk+0xf3/0xf3 [ 3136.372964][T18754] ? __warn.cold+0x1a/0x44 [ 3136.377413][T18754] ? devlink_trap_groups_unregister+0xe8/0x110 [ 3136.383580][T18754] __warn.cold+0x35/0x44 [ 3136.387922][T18754] ? devlink_trap_groups_unregister+0xe8/0x110 [ 3136.394086][T18754] report_bug+0x1bd/0x210 [ 3136.398509][T18754] handle_bug+0x3c/0x60 [ 3136.402670][T18754] exc_invalid_op+0x14/0x40 [ 3136.407222][T18754] asm_exc_invalid_op+0x12/0x20 [ 3136.412132][T18754] RIP: 0010:devlink_trap_groups_unregister+0xe8/0x110 [ 3136.418928][T18754] Code: ff ff 31 ff 89 de e8 87 af 41 fa 83 fb ff 75 cc e8 3d a8 41 fa 4c 89 f7 5b 5d 41 5c 41 5d 41 5e e9 2d 88 05 02 e8 28 a8 41 fa <0f> 0b e9 71 ff ff ff 4c 89 ef e8 09 1b 89 fa e9 3b ff ff ff 48 89 [ 3136.438539][T18754] RSP: 0018:ffffc90004f37a00 EFLAGS: 00010293 [ 3136.444609][T18754] RAX: 0000000000000000 RBX: 0000000000000006 RCX: 0000000000000000 [ 3136.452581][T18754] RDX: ffff88803cdeb900 RSI: ffffffff87354278 RDI: 0000000000000003 [ 3136.460553][T18754] RBP: 0000000000000001 R08: 0000000000000000 R09: 0000000000000001 [ 3136.468528][T18754] R10: ffffffff873541e7 R11: 0000000000000000 R12: ffffffff8a263fa0 [ 3136.476499][T18754] R13: ffff8880710d3000 R14: dffffc0000000000 R15: ffff8880710d3388 [ 3136.484478][T18754] ? devlink_trap_groups_unregister+0x57/0x110 [ 3136.490759][T18754] ? devlink_trap_groups_unregister+0xe8/0x110 [ 3136.496954][T18754] nsim_dev_traps_exit+0x67/0x170 [ 3136.502026][T18754] nsim_dev_reload_destroy+0x20c/0x2f0 [ 3136.507519][T18754] nsim_dev_reload_down+0xdf/0x180 [ 3136.512647][T18754] devlink_reload+0x1c2/0x6b0 [ 3136.517421][T18754] ? devlink_remote_reload_actions_performed+0xa0/0xa0 [ 3136.524380][T18754] devlink_pernet_pre_exit+0x278/0x370 [ 3136.529850][T18754] ? devlink_nl_cmd_reload+0x11d0/0x11d0 [ 3136.535499][T18754] ? nf_tables_pre_exit_net+0x119/0x490 [ 3136.541058][T18754] ? devlink_nl_cmd_reload+0x11d0/0x11d0 [ 3136.546695][T18754] cleanup_net+0x451/0xb00 [ 3136.551134][T18754] ? unregister_pernet_device+0x70/0x70 [ 3136.556722][T18754] process_one_work+0x9bf/0x16b0 [ 3136.561871][T18754] ? pwq_dec_nr_in_flight+0x2a0/0x2a0 [ 3136.567269][T18754] ? rwlock_bug.part.0+0x90/0x90 [ 3136.572220][T18754] ? _raw_spin_lock_irq+0x41/0x50 [ 3136.577286][T18754] worker_thread+0x658/0x11f0 [ 3136.582018][T18754] ? process_one_work+0x16b0/0x16b0 [ 3136.587247][T18754] kthread+0x3e5/0x4d0 [ 3136.591346][T18754] ? set_kthread_struct+0x130/0x130 [ 3136.596599][T18754] ret_from_fork+0x1f/0x30 [ 3136.601491][T18754] Kernel Offset: disabled [ 3136.606062][T18754] Rebooting in 86400 seconds..