t6(0xa, 0x202000000802, 0x0) r1 = syz_open_procfs(0x0, &(0x7f0000000040)='wchan\x00') sendfile(r0, r1, &(0x7f0000000340)=0x1c7, 0x7ffffffe) ioctl$KVM_CREATE_PIT2(r1, 0x4040ae77, &(0x7f00000000c0)={0x6e}) ioctl$TIOCGETD(r1, 0x5424, &(0x7f0000000080)) [ 1435.269842] print_req_error: I/O error, dev loop1, sector 128 [ 1435.277889] BTRFS error (device loop2): unsupported checksum algorithm 3786 [ 1435.285111] BTRFS error (device loop2): superblock checksum mismatch 03:38:54 executing program 6: perf_event_open(&(0x7f0000000180)={0x2, 0x70, 0x3e5}, 0x0, 0x0, 0xffffffffffffffff, 0x0) ioctl$KVM_CREATE_VM(0xffffffffffffffff, 0xae01, 0x0) pipe2$9p(&(0x7f0000000000)={0xffffffffffffffff, 0xffffffffffffffff}, 0x0) write$P9_RLERRORu(r1, &(0x7f0000000080)=ANY=[@ANYBLOB="1400000007ffff0700"], 0x9) mkdir(&(0x7f0000000440)='./file0\x00', 0x0) mount$9p_fd(0x0, &(0x7f00000005c0)='./file0\x00', &(0x7f0000000600)='9p\x00', 0x0, &(0x7f0000000640)={'trans=fd,', {'rfdno', 0x3d, r0}, 0x2c, {'wfdno', 0x3d, r1}, 0x2c, {[{@version_9p2000='versio%=9p2000', 0x2c}]}}) 03:38:54 executing program 7: sendmsg$IPVS_CMD_FLUSH(0xffffffffffffffff, &(0x7f0000000340)={&(0x7f0000000100)={0x10}, 0xc, &(0x7f00000002c0)={&(0x7f00000001c0)=ANY=[@ANYBLOB='P\x00\x00\x00', @ANYBLOB="00000000000000000000110000002800030014000200697064647030000000000000000000000800040000000000080001000000000014000100080009000000000008005f50e2470000"], 0x2}, 0x1}, 0x0) r0 = socket$nl_generic(0x10, 0x3, 0x10) sendmsg$nl_generic(r0, &(0x7f00003cefe4)={&(0x7f0000000300)={0x10, 0x36200}, 0xc, &(0x7f0000007ff0)={&(0x7f0000000180)={0xffce, 0x2e, 0x6fd, 0x0, 0x0, {0x2004}, [@nested={0xc, 0x0, [@typed={0x62, 0x9, @ipv4}]}]}, 0xffce}, 0x1, 0x1654}, 0x0) 03:38:54 executing program 4: r0 = socket$nl_xfrm(0x10, 0x3, 0x6) sendmsg$nl_xfrm(r0, &(0x7f0000000400)={&(0x7f0000000040)={0x10}, 0xc, &(0x7f00000001c0)={&(0x7f0000000080)=@updpolicy={0xb8, 0x14, 0x407, 0x0, 0x0, {{@in=@loopback=0x7f000001, @in6=@ipv4={[0x0, 0x0, 0x0, 0xf0ffffffffffff], [0xff, 0xff], @dev={0xac, 0x14, 0x14}}, 0x0, 0x0, 0x0, 0x0, 0x2}}}, 0xb8}, 0x1}, 0x0) [ 1435.315930] BTRFS error (device loop2): open_ctree failed [ 1435.331124] BTRFS error (device loop2): unsupported checksum algorithm 3786 [ 1435.338330] BTRFS error (device loop2): superblock checksum mismatch 03:38:54 executing program 5: perf_event_open(&(0x7f0000000180)={0x2, 0x70, 0x3e5}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) r0 = openat$pfkey(0xffffffffffffff9c, &(0x7f0000000140)='/proc/self/net/pfkey\x00', 0xa0300, 0x0) r1 = ioctl$LOOP_CTL_GET_FREE(0xffffffffffffff9c, 0x4c82) setsockopt$inet_sctp6_SCTP_RECVRCVINFO(r0, 0x84, 0x20, &(0x7f0000000300)=0x3, 0x4) ioctl$LOOP_CTL_ADD(r0, 0x4c80, r1) r2 = socket$inet6(0xa, 0x2000080a, 0x4) r3 = openat$null(0xffffffffffffff9c, &(0x7f00000000c0)='/dev/null\x00', 0x121000, 0x0) getsockopt$bt_sco_SCO_CONNINFO(r3, 0x11, 0x2, &(0x7f0000000200)=""/197, &(0x7f0000000100)=0xc5) r4 = syz_open_procfs(0x0, &(0x7f0000000040)='wchan\x00') setsockopt$inet6_tcp_TLS_RX(r3, 0x6, 0x2, &(0x7f0000000080)={0x303, 0x33}, 0x4) sendfile(r2, r4, &(0x7f0000000340)=0x1c7, 0x7ffffffe) ioctl$GIO_FONT(r4, 0x4b60, &(0x7f0000000380)=""/73) [ 1435.394013] BTRFS error (device loop2): open_ctree failed 03:38:54 executing program 3: r0 = socket$inet(0x2, 0x4000000000000001, 0x0) setsockopt$inet_tcp_TCP_CONGESTION(r0, 0x6, 0xd, &(0x7f0000000140)='nv\x00', 0x3) sendto$inet(r0, &(0x7f0000a88f88), 0xfffffffffffffe6e, 0x20000000, &(0x7f0000e68000)={0x2, 0x0, @local={0xac, 0x14, 0x14, 0xaa}, [0x50000]}, 0x10) shutdown(r0, 0x0) 03:38:54 executing program 0: perf_event_open(&(0x7f0000000180)={0x2, 0x70, 0x3e5}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) socket$inet6(0xa, 0x202000000802, 0x0) syz_open_procfs(0x0, &(0x7f0000000040)='wchan\x00') sendto$inet(0xffffffffffffffff, &(0x7f0000000000), 0x0, 0x400c000, &(0x7f000083b000)={0x2, 0x4e20}, 0x10) r0 = syz_open_procfs(0x0, &(0x7f0000000080)='net/udp\x00') sendfile(0xffffffffffffffff, r0, &(0x7f0000000000), 0xff) 03:38:54 executing program 2: r0 = socket$inet6(0xa, 0x1000000000002, 0x0) ioctl(r0, 0x8912, &(0x7f0000000280)="025cc83d6d345f8f762070") syz_mount_image$btrfs(&(0x7f0000000080)='btrfs\x00', &(0x7f0000000100)='./file0\x00', 0x0, 0x1, &(0x7f0000000200)=[{&(0x7f0000000500)="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", 0x116, 0x10000}], 0x0, &(0x7f0000000240)) 03:38:54 executing program 4: r0 = socket$nl_xfrm(0x10, 0x3, 0x6) sendmsg$nl_xfrm(r0, &(0x7f0000000400)={&(0x7f0000000040)={0x10}, 0xc, &(0x7f00000001c0)={&(0x7f0000000080)=@updpolicy={0xb8, 0x14, 0x407, 0x0, 0x0, {{@in=@loopback=0x7f000001, @in6=@ipv4={[0x0, 0x0, 0x0, 0xfffff000], [0xff, 0xff], @dev={0xac, 0x14, 0x14}}, 0x0, 0x0, 0x0, 0x0, 0x2}}}, 0xb8}, 0x1}, 0x0) 03:38:54 executing program 6: perf_event_open(&(0x7f0000000180)={0x2, 0x70, 0x3e5}, 0x0, 0x0, 0xffffffffffffffff, 0x0) ioctl$KVM_CREATE_VM(0xffffffffffffffff, 0xae01, 0x0) pipe2$9p(&(0x7f0000000000)={0xffffffffffffffff, 0xffffffffffffffff}, 0x0) write$P9_RLERRORu(r1, &(0x7f0000000080)=ANY=[@ANYBLOB="1400000007ffff0700"], 0x9) mkdir(&(0x7f0000000440)='./file0\x00', 0x0) mount$9p_fd(0x0, &(0x7f00000005c0)='./file0\x00', &(0x7f0000000600)='9p\x00', 0x0, &(0x7f0000000640)={'trans=fd,', {'rfdno', 0x3d, r0}, 0x2c, {'wfdno', 0x3d, r1}, 0x2c, {[{@version_9p2000='versionG9p2000', 0x2c}]}}) 03:38:54 executing program 1: r0 = socket$inet6(0xa, 0x1000000000002, 0x0) ioctl(r0, 0x8912, &(0x7f0000000280)="025cc83d6d345f8f762070") syz_mount_image$btrfs(&(0x7f0000000080)='btrfs\x00', &(0x7f0000000100)='./file0\x00', 0x0, 0x1, &(0x7f0000000200)=[{&(0x7f0000000500)="8da4363a00000000fffffffe0000004d01000000000000000000000000000000ecf6f2a2299748aeb81e1b00920efd9a000001000000000001000000000000005f42485266535f4dd2f873574f257e0a01e2a6a02f5e071383fa5a669a53f2fe9eb4eb7918628af41b", 0x69, 0x10000}], 0x0, &(0x7f0000000240)) 03:38:54 executing program 7: sendmsg$IPVS_CMD_FLUSH(0xffffffffffffffff, &(0x7f0000000340)={&(0x7f0000000100)={0x10}, 0xc, &(0x7f00000002c0)={&(0x7f00000001c0)=ANY=[@ANYBLOB='P\x00\x00\x00', @ANYBLOB="00000000000000000000110000002800030014000200697064647030000000000000000000000800040000000000080001000000000014000100080009000000000008005f50e2470000"], 0x2}, 0x1}, 0x0) r0 = socket$nl_generic(0x10, 0x3, 0x10) sendmsg$nl_generic(r0, &(0x7f00003cefe4)={&(0x7f0000000300)={0x10, 0x36200}, 0xc, &(0x7f0000007ff0)={&(0x7f0000000180)={0xffce, 0x2e, 0x6fd, 0x0, 0x0, {0x2004}, [@nested={0xc, 0x0, [@typed={0x62, 0x9, @ipv4}]}]}, 0xffce}, 0x1, 0x34000}, 0x0) 03:38:54 executing program 5: perf_event_open(&(0x7f0000000180)={0x2, 0x70, 0x3e5, 0x0, 0x40, 0x0, 0x0, 0x0, 0x4, 0x0, 0xfffffffffffffffe, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1f, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x3, 0x0, 0x0, 0x97, 0x0, 0x0, 0x1, 0x0, 0x100000000000, 0x0, 0x0, 0xfffffffffffffffe, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp, 0x19000, 0x9}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) r0 = socket$inet6(0xa, 0x7, 0x7292f585) r1 = syz_open_procfs(0x0, &(0x7f0000000380)='wchan\x00') ioctl$FS_IOC_SETFSLABEL(r1, 0x41009432, &(0x7f0000000080)="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") sendfile(r0, r1, &(0x7f0000000340)=0x1c7, 0x7ffffffe) getsockopt(r0, 0x3, 0xffffffff, &(0x7f0000000200)=""/134, &(0x7f00000002c0)=0x86) ioctl$VHOST_SET_OWNER(r1, 0xaf01, 0x0) 03:38:54 executing program 5: r0 = syz_fuseblk_mount(&(0x7f00000000c0)='./file0\x00', &(0x7f0000000100)='./file0\x00', 0x0, 0xffffffffffffffff, 0xee01, 0x7, 0x8, 0x20) r1 = fcntl$dupfd(0xffffffffffffffff, 0x406, r0) ioctl$sock_inet6_udp_SIOCOUTQ(r1, 0x5411, &(0x7f0000000080)) sysfs$3(0x3) perf_event_open(&(0x7f0000000180)={0x2, 0x70, 0x3e5}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) r2 = socket$inet6(0xa, 0x400000000800805, 0xdd0f) fallocate(r2, 0x1, 0x5, 0xf1b1) r3 = syz_open_procfs(0x0, &(0x7f0000000040)='wchan\x00') sendfile(r2, r3, &(0x7f0000000340)=0x8001c7, 0xfffffffffffffffa) 03:38:54 executing program 4: r0 = socket$nl_xfrm(0x10, 0x3, 0x6) sendmsg$nl_xfrm(r0, &(0x7f0000000400)={&(0x7f0000000040)={0x10}, 0xc, &(0x7f00000001c0)={&(0x7f0000000080)=@updpolicy={0xb8, 0x14, 0x407, 0x0, 0x0, {{@in=@loopback=0x7f000001, @in6=@ipv4={[0x0, 0x0, 0x0, 0xf000000], [0xff, 0xff], @dev={0xac, 0x14, 0x14}}, 0x0, 0x0, 0x0, 0x0, 0x2}}}, 0xb8}, 0x1}, 0x0) 03:38:54 executing program 7: sendmsg$IPVS_CMD_FLUSH(0xffffffffffffffff, &(0x7f0000000340)={&(0x7f0000000100)={0x10}, 0xc, &(0x7f00000002c0)={&(0x7f00000001c0)=ANY=[@ANYBLOB='P\x00\x00\x00', @ANYBLOB="00000000000000000000110000002800030014000200697064647030000000000000000000000800040000000000080001000000000014000100080009000000000008005f50e2470000"], 0x2}, 0x1}, 0x0) r0 = socket$nl_generic(0x10, 0x3, 0x10) sendmsg$nl_generic(r0, &(0x7f00003cefe4)={&(0x7f0000000300)={0x10, 0x36200}, 0xc, &(0x7f0000007ff0)={&(0x7f0000000180)={0xffce, 0x2e, 0x6fd, 0x0, 0x0, {0x2004}, [@nested={0xc, 0x0, [@typed={0x62, 0x9, @ipv4}]}]}, 0xffce}, 0x1, 0xf}, 0x0) [ 1436.157803] BTRFS error (device loop1): superblock checksum mismatch [ 1436.176437] BTRFS error (device loop1): open_ctree failed [ 1436.191043] BTRFS error (device loop1): superblock checksum mismatch 03:38:55 executing program 6: perf_event_open(&(0x7f0000000180)={0x2, 0x70, 0x3e5}, 0x0, 0x0, 0xffffffffffffffff, 0x0) ioctl$KVM_CREATE_VM(0xffffffffffffffff, 0xae01, 0x0) pipe2$9p(&(0x7f0000000000)={0xffffffffffffffff, 0xffffffffffffffff}, 0x0) write$P9_RLERRORu(r1, &(0x7f0000000080)=ANY=[@ANYBLOB="1400000007ffff0700"], 0x9) mkdir(&(0x7f0000000440)='./file0\x00', 0x0) mount$9p_fd(0x0, &(0x7f00000005c0)='./file0\x00', &(0x7f0000000600)='9p\x00', 0x0, &(0x7f0000000640)={'trans=fd,', {'rfdno', 0x3d, r0}, 0x2c, {'wfdno', 0x3d, r1}, 0x2c, {[{@version_9p2000='version=\np2000', 0x2c}]}}) 03:38:55 executing program 0: perf_event_open(&(0x7f0000000180)={0x2, 0x70, 0x3e5}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) socket$inet6(0xa, 0x202000000802, 0x0) r0 = socket$inet_udp(0x2, 0x2, 0x0) sendto$inet(r0, &(0x7f0000000000), 0x0, 0x400c000, &(0x7f000083b000)={0x2, 0x4e20}, 0x10) r1 = syz_open_procfs(0x0, &(0x7f0000000080)='net/udp\x00') sendfile(r0, r1, &(0x7f0000000000), 0xff) 03:38:55 executing program 1: r0 = socket$inet6(0xa, 0x1000000000002, 0x0) ioctl(r0, 0x8912, &(0x7f0000000280)="025cc83d6d345f8f762070") syz_mount_image$btrfs(&(0x7f0000000080)='btrfs\x00', &(0x7f0000000100)='./file0\x00', 0x0, 0x1, &(0x7f0000000200)=[{&(0x7f0000000500)="8da4363a00000000f4ff00000000004d01000000000000000000000000000000ecf6f2a2299748aeb81e1b00920efd9a000001000000000001000000000000005f42485266535f4dd2f873574f257e0a01e2a6a02f5e071383fa5a669a53f2fe9eb4eb7918628af41b", 0x69, 0x10000}], 0x0, &(0x7f0000000240)) [ 1436.209592] BTRFS error (device loop1): open_ctree failed 03:38:55 executing program 2: r0 = socket$inet6(0xa, 0x1000000000002, 0x0) ioctl(r0, 0x8912, &(0x7f0000000280)="025cc83d6d345f8f762070") syz_mount_image$btrfs(&(0x7f0000000080)='btrfs\x00', &(0x7f0000000100)='./file0\x00', 0x0, 0x1, &(0x7f0000000200)=[{&(0x7f0000000500)="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", 0x116, 0x10000}], 0x0, &(0x7f0000000240)) 03:38:55 executing program 4: r0 = socket$nl_xfrm(0x10, 0x3, 0x6) sendmsg$nl_xfrm(r0, &(0x7f0000000400)={&(0x7f0000000040)={0x10}, 0xc, &(0x7f00000001c0)={&(0x7f0000000080)=@updpolicy={0xb8, 0x14, 0x407, 0x0, 0x0, {{@in=@loopback=0x7f000001, @in6=@ipv4={[0x0, 0x0, 0x0, 0x300], [0xff, 0xff], @dev={0xac, 0x14, 0x14}}, 0x0, 0x0, 0x0, 0x0, 0x2}}}, 0xb8}, 0x1}, 0x0) [ 1436.317395] 9pnet: Unknown protocol version [ 1436.317395] p2000 [ 1436.333109] BTRFS error (device loop2): unsupported checksum algorithm 3786 [ 1436.340337] BTRFS error (device loop2): superblock checksum mismatch [ 1436.347148] 9pnet: Unknown protocol version [ 1436.347148] p2000 [ 1436.367733] BTRFS error (device loop2): open_ctree failed [ 1436.383509] BTRFS error (device loop2): unsupported checksum algorithm 3786 [ 1436.390706] BTRFS error (device loop2): superblock checksum mismatch [ 1436.404130] BTRFS error (device loop2): open_ctree failed [ 1436.413653] BTRFS error (device loop1): superblock checksum mismatch [ 1436.431349] BTRFS error (device loop1): open_ctree failed 03:38:55 executing program 3: r0 = socket$inet(0x2, 0x4000000000000001, 0x0) setsockopt$inet_tcp_TCP_CONGESTION(r0, 0x6, 0xd, &(0x7f0000000140)='nv\x00', 0x3) sendto$inet(r0, &(0x7f0000a88f88), 0xfffffffffffffe6e, 0x20000000, &(0x7f0000e68000)={0x2, 0x0, @local={0xac, 0x14, 0x14, 0xaa}, [0xa33c0000]}, 0x10) shutdown(r0, 0x0) 03:38:55 executing program 5: perf_event_open(&(0x7f0000000180)={0x2, 0x70, 0x3e5}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) r0 = socket$inet6(0xa, 0x202000000802, 0x0) r1 = syz_open_procfs(0x0, &(0x7f0000000040)='wchan\x00') ioctl$BLKSECTGET(r1, 0x1267, &(0x7f0000000080)) sendfile(r0, r1, &(0x7f0000000340)=0x1c7, 0x7ffffffe) 03:38:55 executing program 7: sendmsg$IPVS_CMD_FLUSH(0xffffffffffffffff, &(0x7f0000000340)={&(0x7f0000000100)={0x10}, 0xc, &(0x7f00000002c0)={&(0x7f00000001c0)=ANY=[@ANYBLOB='P\x00\x00\x00', @ANYBLOB="00000000000000000000110000002800030014000200697064647030000000000000000000000800040000000000080001000000000014000100080009000000000008005f50e2470000"], 0x2}, 0x1}, 0x0) r0 = socket$nl_generic(0x10, 0x3, 0x10) sendmsg$nl_generic(r0, &(0x7f00003cefe4)={&(0x7f0000000300)={0x10, 0x36200}, 0xc, &(0x7f0000007ff0)={&(0x7f0000000180)={0xffce, 0x2e, 0x6fd, 0x0, 0x0, {0x2004}, [@nested={0xc, 0x0, [@typed={0x62, 0x9, @ipv4}]}]}, 0xffce}, 0x1, 0xffffff7f00000000}, 0x0) 03:38:55 executing program 4: r0 = socket$nl_xfrm(0x10, 0x3, 0x6) sendmsg$nl_xfrm(r0, &(0x7f0000000400)={&(0x7f0000000040)={0x10}, 0xc, &(0x7f00000001c0)={&(0x7f0000000080)=@updpolicy={0xb8, 0x14, 0x407, 0x0, 0x0, {{@in=@loopback=0x7f000001, @in6=@ipv4={[0x0, 0x0, 0x0, 0x2000], [0xff, 0xff], @dev={0xac, 0x14, 0x14}}, 0x0, 0x0, 0x0, 0x0, 0x2}}}, 0xb8}, 0x1}, 0x0) 03:38:55 executing program 0: perf_event_open(&(0x7f0000000180)={0x2, 0x70, 0x3e5}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) r0 = socket$inet_udp(0x2, 0x2, 0x0) sendto$inet(r0, &(0x7f0000000000), 0x0, 0x400c000, &(0x7f000083b000)={0x2, 0x4e20}, 0x10) r1 = syz_open_procfs(0x0, &(0x7f0000000080)='net/udp\x00') sendfile(r0, r1, &(0x7f0000000000), 0xff) 03:38:55 executing program 6: perf_event_open(&(0x7f0000000180)={0x2, 0x70, 0x3e5}, 0x0, 0x0, 0xffffffffffffffff, 0x0) ioctl$KVM_CREATE_VM(0xffffffffffffffff, 0xae01, 0x0) pipe2$9p(&(0x7f0000000000)={0xffffffffffffffff, 0xffffffffffffffff}, 0x0) write$P9_RLERRORu(r1, &(0x7f0000000080)=ANY=[@ANYBLOB="1400000007ffff0700"], 0x9) mkdir(&(0x7f0000000440)='./file0\x00', 0x0) mount$9p_fd(0x0, &(0x7f00000005c0)='./file0\x00', &(0x7f0000000600)='9p\x00', 0x0, &(0x7f0000000640)={'trans=fd,', {'rfdno', 0x3d, r0}, 0x2c, {'wfdno', 0x3d, r1}, 0x2c, {[{@version_9p2000='version=%p2000', 0x2c}]}}) 03:38:55 executing program 1: r0 = socket$inet6(0xa, 0x1000000000002, 0x0) ioctl(r0, 0x8912, &(0x7f0000000280)="025cc83d6d345f8f762070") syz_mount_image$btrfs(&(0x7f0000000080)='btrfs\x00', &(0x7f0000000100)='./file0\x00', 0x0, 0x1, &(0x7f0000000200)=[{&(0x7f0000000500)="8da4363a00000000003f00000000004d01000000000000000000000000000000ecf6f2a2299748aeb81e1b00920efd9a000001000000000001000000000000005f42485266535f4dd2f873574f257e0a01e2a6a02f5e071383fa5a669a53f2fe9eb4eb7918628af41b", 0x69, 0x10000}], 0x0, &(0x7f0000000240)) 03:38:55 executing program 2: r0 = socket$inet6(0xa, 0x1000000000002, 0x0) ioctl(r0, 0x8912, &(0x7f0000000280)="025cc83d6d345f8f762070") syz_mount_image$btrfs(&(0x7f0000000080)='btrfs\x00', &(0x7f0000000100)='./file0\x00', 0x0, 0x1, &(0x7f0000000200)=[{&(0x7f0000000500)="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", 0x116, 0x10000}], 0x0, &(0x7f0000000240)) 03:38:55 executing program 0: r0 = socket$inet_udp(0x2, 0x2, 0x0) sendto$inet(r0, &(0x7f0000000000), 0x0, 0x400c000, &(0x7f000083b000)={0x2, 0x4e20}, 0x10) r1 = syz_open_procfs(0x0, &(0x7f0000000080)='net/udp\x00') sendfile(r0, r1, &(0x7f0000000000), 0xff) [ 1437.081597] nla_parse: 35 callbacks suppressed [ 1437.081607] netlink: 65362 bytes leftover after parsing attributes in process `syz-executor7'. [ 1437.082455] netlink: 104 bytes leftover after parsing attributes in process `syz-executor4'. [ 1437.086264] net_ratelimit: 46 callbacks suppressed [ 1437.086273] openvswitch: netlink: ufid size 94 bytes exceeds the range (1, 16) [ 1437.086279] openvswitch: netlink: Flow set message rejected, Key attribute missing. 03:38:55 executing program 4: r0 = socket$nl_xfrm(0x10, 0x3, 0x6) sendmsg$nl_xfrm(r0, &(0x7f0000000400)={&(0x7f0000000040)={0x10}, 0xc, &(0x7f00000001c0)={&(0x7f0000000080)=@updpolicy={0xb8, 0x14, 0x407, 0x0, 0x0, {{@in=@loopback=0x7f000001, @in6=@ipv4={[0x0, 0x0, 0x0, 0xf0ffff], [0xff, 0xff], @dev={0xac, 0x14, 0x14}}, 0x0, 0x0, 0x0, 0x0, 0x2}}}, 0xb8}, 0x1}, 0x0) [ 1437.101266] netlink: 65362 bytes leftover after parsing attributes in process `syz-executor7'. [ 1437.132625] openvswitch: netlink: ufid size 94 bytes exceeds the range (1, 16) [ 1437.140010] openvswitch: netlink: Flow set message rejected, Key attribute missing. [ 1437.150191] 9pnet: Unknown protocol version %p2000 [ 1437.157264] print_req_error: I/O error, dev loop1, sector 128 [ 1437.166615] BTRFS error (device loop2): unsupported checksum algorithm 3786 [ 1437.173807] BTRFS error (device loop2): superblock checksum mismatch 03:38:55 executing program 5: perf_event_open(&(0x7f0000000180)={0x2, 0x70, 0x3e5}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) r0 = socket$inet6(0xa, 0x202000000802, 0x0) getdents64(r0, &(0x7f0000000080)=""/171, 0xab) r1 = syz_open_procfs(0x0, &(0x7f0000000040)='wchan\x00') sendfile(r0, r1, &(0x7f0000000340)=0x1c7, 0x7ffffffe) 03:38:55 executing program 0: r0 = socket$inet_udp(0x2, 0x2, 0x0) sendto$inet(r0, &(0x7f0000000000), 0x0, 0x400c000, &(0x7f000083b000)={0x2, 0x4e20}, 0x10) r1 = syz_open_procfs(0x0, &(0x7f0000000080)='net/udp\x00') sendfile(r0, r1, &(0x7f0000000000), 0xff) [ 1437.185514] 9pnet: Unknown protocol version %p2000 [ 1437.199027] BTRFS error (device loop2): open_ctree failed [ 1437.206755] netlink: 104 bytes leftover after parsing attributes in process `syz-executor4'. [ 1437.216092] BTRFS error (device loop2): unsupported checksum algorithm 3786 [ 1437.223259] BTRFS error (device loop2): superblock checksum mismatch 03:38:56 executing program 2: r0 = socket$inet6(0xa, 0x1000000000002, 0x0) ioctl(r0, 0x8912, &(0x7f0000000280)="025cc83d6d345f8f762070") syz_mount_image$btrfs(&(0x7f0000000080)='btrfs\x00', &(0x7f0000000100)='./file0\x00', 0x0, 0x1, &(0x7f0000000200)=[{&(0x7f0000000500)="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", 0x116, 0x10000}], 0x0, &(0x7f0000000240)) 03:38:56 executing program 6: perf_event_open(&(0x7f0000000180)={0x2, 0x70, 0x3e5}, 0x0, 0x0, 0xffffffffffffffff, 0x0) ioctl$KVM_CREATE_VM(0xffffffffffffffff, 0xae01, 0x0) pipe2$9p(&(0x7f0000000000)={0xffffffffffffffff, 0xffffffffffffffff}, 0x0) write$P9_RLERRORu(r1, &(0x7f0000000080)=ANY=[@ANYBLOB="1400000007ffff0700"], 0x9) mkdir(&(0x7f0000000440)='./file0\x00', 0x0) mount$9p_fd(0x0, &(0x7f00000005c0)='./file0\x00', &(0x7f0000000600)='9p\x00', 0x0, &(0x7f0000000640)={'trans=fd,', {'rfdno', 0x3d, r0}, 0x2c, {'wfdno', 0x3d, r1}, 0x2c, {[{@version_9p2000='version=Gp2000', 0x2c}]}}) 03:38:56 executing program 7: sendmsg$IPVS_CMD_FLUSH(0xffffffffffffffff, &(0x7f0000000340)={&(0x7f0000000100)={0x10}, 0xc, &(0x7f00000002c0)={&(0x7f00000001c0)=ANY=[@ANYBLOB='P\x00\x00\x00', @ANYBLOB="00000000000000000000110000002800030014000200697064647030000000000000000000000800040000000000080001000000000014000100080009000000000008005f50e2470000"], 0x2}, 0x1}, 0x0) r0 = socket$nl_generic(0x10, 0x3, 0x10) sendmsg$nl_generic(r0, &(0x7f00003cefe4)={&(0x7f0000000300)={0x10, 0x36200}, 0xc, &(0x7f0000007ff0)={&(0x7f0000000180)={0xffce, 0x2e, 0x6fd, 0x0, 0x0, {0x2004}, [@nested={0xc, 0x0, [@typed={0x62, 0x9, @ipv4}]}]}, 0xffce}, 0x1, 0x48000000}, 0x0) 03:38:56 executing program 0: r0 = socket$inet_udp(0x2, 0x2, 0x0) sendto$inet(r0, &(0x7f0000000000), 0x0, 0x400c000, &(0x7f000083b000)={0x2, 0x4e20}, 0x10) r1 = syz_open_procfs(0x0, &(0x7f0000000080)='net/udp\x00') sendfile(r0, r1, &(0x7f0000000000), 0xff) [ 1437.252462] BTRFS error (device loop2): open_ctree failed [ 1437.346750] 9pnet: Unknown protocol version Gp2000 [ 1437.352058] netlink: 65362 bytes leftover after parsing attributes in process `syz-executor7'. [ 1437.360891] openvswitch: netlink: ufid size 94 bytes exceeds the range (1, 16) [ 1437.368295] openvswitch: netlink: Flow set message rejected, Key attribute missing. [ 1437.378368] BTRFS error (device loop2): unsupported checksum algorithm 3786 [ 1437.379287] netlink: 65362 bytes leftover after parsing attributes in process `syz-executor7'. [ 1437.385636] BTRFS error (device loop2): superblock checksum mismatch [ 1437.394301] openvswitch: netlink: ufid size 94 bytes exceeds the range (1, 16) [ 1437.394312] openvswitch: netlink: Flow set message rejected, Key attribute missing. [ 1437.419882] 9pnet: Unknown protocol version Gp2000 [ 1437.441697] BTRFS error (device loop2): open_ctree failed [ 1437.468997] BTRFS error (device loop2): unsupported checksum algorithm 3786 [ 1437.476211] BTRFS error (device loop2): superblock checksum mismatch [ 1437.483411] BTRFS error (device loop2): open_ctree failed 03:38:56 executing program 3: r0 = socket$inet(0x2, 0x4000000000000001, 0x0) setsockopt$inet_tcp_TCP_CONGESTION(r0, 0x6, 0xd, &(0x7f0000000140)='nv\x00', 0x3) sendto$inet(r0, &(0x7f0000a88f88), 0xfffffffffffffe6e, 0x20000000, &(0x7f0000e68000)={0x2, 0x0, @local={0xac, 0x14, 0x14, 0xaa}, [0x600]}, 0x10) shutdown(r0, 0x0) 03:38:56 executing program 5: r0 = perf_event_open(&(0x7f0000000180)={0x2, 0x70, 0x3e5}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) socket$inet6(0xa, 0x202000000802, 0x0) r1 = syz_open_procfs(0x0, &(0x7f0000000040)='wchan\x00') sendfile(r0, r1, &(0x7f0000000340)=0x1c7, 0x7ffffffe) 03:38:56 executing program 4: r0 = socket$nl_xfrm(0x10, 0x3, 0x6) sendmsg$nl_xfrm(r0, &(0x7f0000000400)={&(0x7f0000000040)={0x10}, 0xc, &(0x7f00000001c0)={&(0x7f0000000080)=@updpolicy={0xb8, 0x14, 0x407, 0x0, 0x0, {{@in=@loopback=0x7f000001, @in6=@ipv4={[0x0, 0x0, 0x0, 0x20000000], [0xff, 0xff], @dev={0xac, 0x14, 0x14}}, 0x0, 0x0, 0x0, 0x0, 0x2}}}, 0xb8}, 0x1}, 0x0) 03:38:56 executing program 1: r0 = socket$inet6(0xa, 0x1000000000002, 0x0) ioctl(r0, 0x8912, &(0x7f0000000280)="025cc83d6d345f8f762070") syz_mount_image$btrfs(&(0x7f0000000080)='btrfs\x00', &(0x7f0000000100)='./file0\x00', 0x0, 0x1, &(0x7f0000000200)=[{&(0x7f0000000500)="8da4363a00000000027400000000004d01000000000000000000000000000000ecf6f2a2299748aeb81e1b00920efd9a000001000000000001000000000000005f42485266535f4dd2f873574f257e0a01e2a6a02f5e071383fa5a669a53f2fe9eb4eb7918628af41b", 0x69, 0x10000}], 0x0, &(0x7f0000000240)) 03:38:56 executing program 0: perf_event_open(&(0x7f0000000180)={0x0, 0x70, 0x3e5}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) r0 = socket$inet_udp(0x2, 0x2, 0x0) sendto$inet(r0, &(0x7f0000000000), 0x0, 0x400c000, &(0x7f000083b000)={0x2, 0x4e20}, 0x10) r1 = syz_open_procfs(0x0, &(0x7f0000000080)='net/udp\x00') sendfile(r0, r1, &(0x7f0000000000), 0xff) 03:38:56 executing program 7: sendmsg$IPVS_CMD_FLUSH(0xffffffffffffffff, &(0x7f0000000340)={&(0x7f0000000100)={0x10}, 0xc, &(0x7f00000002c0)={&(0x7f00000001c0)=ANY=[@ANYBLOB='P\x00\x00\x00', @ANYBLOB="00000000000000000000110000002800030014000200697064647030000000000000000000000800040000000000080001000000000014000100080009000000000008005f50e2470000"], 0x2}, 0x1}, 0x0) r0 = socket$nl_generic(0x10, 0x3, 0x10) sendmsg$nl_generic(r0, &(0x7f00003cefe4)={&(0x7f0000000300)={0x10, 0x36200}, 0xc, &(0x7f0000007ff0)={&(0x7f0000000180)={0xffce, 0x2e, 0x6fd, 0x0, 0x0, {0x2004}, [@nested={0xc, 0x0, [@typed={0x62, 0x9, @ipv4}]}]}, 0xffce}, 0x1, 0x4c00}, 0x0) 03:38:56 executing program 6: perf_event_open(&(0x7f0000000180)={0x2, 0x70, 0x3e5}, 0x0, 0x0, 0xffffffffffffffff, 0x0) ioctl$KVM_CREATE_VM(0xffffffffffffffff, 0xae01, 0x0) pipe2$9p(&(0x7f0000000000)={0xffffffffffffffff, 0xffffffffffffffff}, 0x0) write$P9_RLERRORu(r1, &(0x7f0000000080)=ANY=[@ANYBLOB="1400000007ffff0700"], 0x9) mkdir(&(0x7f0000000440)='./file0\x00', 0x0) mount$9p_fd(0x0, &(0x7f00000005c0)='./file0\x00', &(0x7f0000000600)='9p\x00', 0x0, &(0x7f0000000640)={'trans=fd,', {'rfdno', 0x3d, r0}, 0x2c, {'wfdno', 0x3d, r1}, 0x2c, {[{@version_9p2000='version=9%2000', 0x2c}]}}) 03:38:56 executing program 2: r0 = socket$inet6(0xa, 0x1000000000002, 0x0) ioctl(r0, 0x8912, &(0x7f0000000280)="025cc83d6d345f8f762070") syz_mount_image$btrfs(&(0x7f0000000080)='btrfs\x00', &(0x7f0000000100)='./file0\x00', 0x0, 0x1, &(0x7f0000000200)=[{&(0x7f0000000500)="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", 0x116, 0x10000}], 0x0, &(0x7f0000000240)) [ 1437.982113] netlink: 65362 bytes leftover after parsing attributes in process `syz-executor7'. [ 1437.989067] netlink: 104 bytes leftover after parsing attributes in process `syz-executor4'. [ 1437.990993] openvswitch: netlink: ufid size 94 bytes exceeds the range (1, 16) [ 1438.006954] openvswitch: netlink: Flow set message rejected, Key attribute missing. [ 1438.023953] 9pnet: Unknown protocol version 9%2000 03:38:56 executing program 4: r0 = socket$nl_xfrm(0x10, 0x3, 0x6) sendmsg$nl_xfrm(r0, &(0x7f0000000400)={&(0x7f0000000040)={0x10}, 0xc, &(0x7f00000001c0)={&(0x7f0000000080)=@updpolicy={0xb8, 0x14, 0x407, 0x0, 0x0, {{@in=@loopback=0x7f000001, @in6=@ipv4={[0x0, 0x0, 0x0, 0x2000000], [0xff, 0xff], @dev={0xac, 0x14, 0x14}}, 0x0, 0x0, 0x0, 0x0, 0x2}}}, 0xb8}, 0x1}, 0x0) 03:38:56 executing program 0: perf_event_open(&(0x7f0000000180)={0x0, 0x70, 0x3e5}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) r0 = socket$inet_udp(0x2, 0x2, 0x0) sendto$inet(r0, &(0x7f0000000000), 0x0, 0x400c000, &(0x7f000083b000)={0x2, 0x4e20}, 0x10) r1 = syz_open_procfs(0x0, &(0x7f0000000080)='net/udp\x00') sendfile(r0, r1, &(0x7f0000000000), 0xff) 03:38:56 executing program 5: perf_event_open(&(0x7f0000000180)={0x2, 0x70, 0x3e5}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) r0 = socket$inet6(0xa, 0x202000000802, 0x0) r1 = syz_open_procfs(0x0, &(0x7f0000000040)='wchan\x00') sendfile(r0, r1, &(0x7f0000000340)=0x1c7, 0x7ffffffe) getsockopt$EBT_SO_GET_INIT_ENTRIES(r1, 0x0, 0x83, &(0x7f0000000100)={'filter\x00', 0x0, 0x3, 0x0, [], 0x1, &(0x7f0000000080)=[{}], &(0x7f00000000c0)}, &(0x7f0000000200)=0x78) [ 1438.025658] BTRFS error (device loop1): superblock checksum mismatch [ 1438.041981] BTRFS error (device loop1): open_ctree failed [ 1438.051898] BTRFS error (device loop1): superblock checksum mismatch [ 1438.059671] 9pnet: Unknown protocol version 9%2000 [ 1438.068295] BTRFS error (device loop1): open_ctree failed 03:38:56 executing program 1: r0 = socket$inet6(0xa, 0x1000000000002, 0x0) ioctl(r0, 0x8912, &(0x7f0000000280)="025cc83d6d345f8f762070") syz_mount_image$btrfs(&(0x7f0000000080)='btrfs\x00', &(0x7f0000000100)='./file0\x00', 0x0, 0x1, &(0x7f0000000200)=[{&(0x7f0000000500)="8da4363a00000000000900000000004d01000000000000000000000000000000ecf6f2a2299748aeb81e1b00920efd9a000001000000000001000000000000005f42485266535f4dd2f873574f257e0a01e2a6a02f5e071383fa5a669a53f2fe9eb4eb7918628af41b", 0x69, 0x10000}], 0x0, &(0x7f0000000240)) 03:38:56 executing program 6: perf_event_open(&(0x7f0000000180)={0x2, 0x70, 0x3e5}, 0x0, 0x0, 0xffffffffffffffff, 0x0) ioctl$KVM_CREATE_VM(0xffffffffffffffff, 0xae01, 0x0) pipe2$9p(&(0x7f0000000000)={0xffffffffffffffff, 0xffffffffffffffff}, 0x0) write$P9_RLERRORu(r1, &(0x7f0000000080)=ANY=[@ANYBLOB="1400000007ffff0700"], 0x9) mkdir(&(0x7f0000000440)='./file0\x00', 0x0) mount$9p_fd(0x0, &(0x7f00000005c0)='./file0\x00', &(0x7f0000000600)='9p\x00', 0x0, &(0x7f0000000640)={'trans=fd,', {'rfdno', 0x3d, r0}, 0x2c, {'wfdno', 0x3d, r1}, 0x2c, {[{@version_9p2000='version=9\n2000', 0x2c}]}}) [ 1438.080018] netlink: 104 bytes leftover after parsing attributes in process `syz-executor4'. 03:38:56 executing program 5: r0 = perf_event_open(&(0x7f0000000180)={0x2, 0x70, 0x3e5}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) r1 = socket$inet6(0xa, 0x202000000802, 0x0) r2 = openat$vcs(0xffffffffffffff9c, &(0x7f0000000040)='/dev/vcs\x00', 0x10000, 0x0) setsockopt$inet_tcp_TCP_CONGESTION(r2, 0x6, 0xd, &(0x7f0000000080)='dctcp\x00', 0x6) r3 = syz_open_procfs(0x0, &(0x7f0000000100)='smaps_rollup\x00') sendmsg$nl_route(r3, &(0x7f0000000240)={&(0x7f00000000c0)={0x10, 0x0, 0x0, 0x800400}, 0xc, &(0x7f0000000200)={&(0x7f0000000140)=@ipv6_getroute={0x1c, 0x1a, 0x0, 0x70bd2a, 0x25dfdbfe, {0xa, 0x0, 0x10, 0x40, 0xfc, 0x7, 0xfe, 0xb, 0x800}}, 0x1c}, 0x1, 0x0, 0x0, 0x4040001}, 0x4000040) sendfile(r1, r3, &(0x7f0000000340)=0x1c7, 0x7ffffffe) ioctl$PERF_EVENT_IOC_RESET(r0, 0x2403, 0x5) 03:38:56 executing program 0: perf_event_open(&(0x7f0000000180)={0x0, 0x70, 0x3e5}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) r0 = socket$inet_udp(0x2, 0x2, 0x0) sendto$inet(r0, &(0x7f0000000000), 0x0, 0x400c000, &(0x7f000083b000)={0x2, 0x4e20}, 0x10) r1 = syz_open_procfs(0x0, &(0x7f0000000080)='net/udp\x00') sendfile(r0, r1, &(0x7f0000000000), 0xff) 03:38:56 executing program 4: r0 = socket$nl_xfrm(0x10, 0x3, 0x6) sendmsg$nl_xfrm(r0, &(0x7f0000000400)={&(0x7f0000000040)={0x10}, 0xc, &(0x7f00000001c0)={&(0x7f0000000080)=@updpolicy={0xb8, 0x14, 0x407, 0x0, 0x0, {{@in=@loopback=0x7f000001, @in6=@ipv4={[0x0, 0x0, 0x0, 0x400300], [0xff, 0xff], @dev={0xac, 0x14, 0x14}}, 0x0, 0x0, 0x0, 0x0, 0x2}}}, 0xb8}, 0x1}, 0x0) [ 1438.139136] BTRFS error (device loop2): unsupported checksum algorithm 3786 [ 1438.146350] BTRFS error (device loop2): superblock checksum mismatch [ 1438.185321] 9pnet: Unknown protocol version 9 [ 1438.185321] 2000 [ 1438.209270] netlink: 104 bytes leftover after parsing attributes in process `syz-executor4'. [ 1438.249632] BTRFS error (device loop2): open_ctree failed [ 1438.281611] BTRFS error (device loop2): unsupported checksum algorithm 3786 [ 1438.288821] BTRFS error (device loop2): superblock checksum mismatch [ 1438.311977] BTRFS error (device loop2): open_ctree failed 03:38:57 executing program 3: r0 = socket$inet(0x2, 0x4000000000000001, 0x0) setsockopt$inet_tcp_TCP_CONGESTION(r0, 0x6, 0xd, &(0x7f0000000140)='nv\x00', 0x3) sendto$inet(r0, &(0x7f0000a88f88), 0xfffffffffffffe6e, 0x20000000, &(0x7f0000e68000)={0x2, 0x0, @local={0xac, 0x14, 0x14, 0xaa}, [0x0, 0x4]}, 0x10) shutdown(r0, 0x0) 03:38:57 executing program 4: r0 = socket$nl_xfrm(0x10, 0x3, 0x6) sendmsg$nl_xfrm(r0, &(0x7f0000000400)={&(0x7f0000000040)={0x10}, 0xc, &(0x7f00000001c0)={&(0x7f0000000080)=@updpolicy={0xb8, 0x14, 0x407, 0x0, 0x0, {{@in=@loopback=0x7f000001, @in6=@ipv4={[0x0, 0x0, 0x0, 0x3723], [0xff, 0xff], @dev={0xac, 0x14, 0x14}}, 0x0, 0x0, 0x0, 0x0, 0x2}}}, 0xb8}, 0x1}, 0x0) 03:38:57 executing program 0: perf_event_open(&(0x7f0000000180)={0x2, 0x70}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) r0 = socket$inet_udp(0x2, 0x2, 0x0) sendto$inet(r0, &(0x7f0000000000), 0x0, 0x400c000, &(0x7f000083b000)={0x2, 0x4e20}, 0x10) r1 = syz_open_procfs(0x0, &(0x7f0000000080)='net/udp\x00') sendfile(r0, r1, &(0x7f0000000000), 0xff) 03:38:57 executing program 7: sendmsg$IPVS_CMD_FLUSH(0xffffffffffffffff, &(0x7f0000000340)={&(0x7f0000000100)={0x10}, 0xc, &(0x7f00000002c0)={&(0x7f00000001c0)=ANY=[@ANYBLOB='P\x00\x00\x00', @ANYBLOB="00000000000000000000110000002800030014000200697064647030000000000000000000000800040000000000080001000000000014000100080009000000000008005f50e2470000"], 0x2}, 0x1}, 0x0) r0 = socket$nl_generic(0x10, 0x3, 0x10) sendmsg$nl_generic(r0, &(0x7f00003cefe4)={&(0x7f0000000300)={0x10, 0x36200}, 0xc, &(0x7f0000007ff0)={&(0x7f0000000180)={0xffce, 0x2e, 0x6fd, 0x0, 0x0, {0x2004}, [@nested={0xc, 0x0, [@typed={0x62, 0x9, @ipv4}]}]}, 0xffce}, 0x1, 0x7400}, 0x0) 03:38:57 executing program 6: perf_event_open(&(0x7f0000000180)={0x2, 0x70, 0x3e5}, 0x0, 0x0, 0xffffffffffffffff, 0x0) ioctl$KVM_CREATE_VM(0xffffffffffffffff, 0xae01, 0x0) pipe2$9p(&(0x7f0000000000)={0xffffffffffffffff, 0xffffffffffffffff}, 0x0) write$P9_RLERRORu(r1, &(0x7f0000000080)=ANY=[@ANYBLOB="1400000007ffff0700"], 0x9) mkdir(&(0x7f0000000440)='./file0\x00', 0x0) mount$9p_fd(0x0, &(0x7f00000005c0)='./file0\x00', &(0x7f0000000600)='9p\x00', 0x0, &(0x7f0000000640)={'trans=fd,', {'rfdno', 0x3d, r0}, 0x2c, {'wfdno', 0x3d, r1}, 0x2c, {[{@version_9p2000='version=9pG000', 0x2c}]}}) 03:38:57 executing program 2: r0 = socket$inet6(0xa, 0x1000000000002, 0x0) ioctl(r0, 0x8912, &(0x7f0000000280)="025cc83d6d345f8f762070") syz_mount_image$btrfs(&(0x7f0000000080)='btrfs\x00', &(0x7f0000000100)='./file0\x00', 0x0, 0x1, &(0x7f0000000200)=[{&(0x7f0000000500)="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", 0x116, 0x10000}], 0x0, &(0x7f0000000240)) 03:38:57 executing program 5: ioctl$sock_FIOGETOWN(0xffffffffffffff9c, 0x8903, &(0x7f0000000200)=0x0) perf_event_open(&(0x7f0000000180)={0x2, 0x70, 0x3e5, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xd162}, r0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) r1 = openat$snapshot(0xffffffffffffff9c, &(0x7f0000000100)='/dev/snapshot\x00', 0x12000, 0x0) write$P9_RLERROR(r1, &(0x7f0000000140)={0xf, 0x7, 0x1, {0x6, 'wchan\x00'}}, 0xf) r2 = socket$inet6(0xa, 0x202000000802, 0x0) r3 = openat$dsp(0xffffffffffffff9c, &(0x7f0000000080)='/dev/dsp\x00', 0x40, 0x0) write$P9_RWALK(r3, &(0x7f00000000c0)=ANY=[@ANYBLOB="300000006ff4dc78a0337ce1159434bb0200030040010e00000100000000000000200419000008000000000000008402"], 0x30) r4 = syz_open_procfs(0x0, &(0x7f0000000040)='wchan\x00') sendfile(r2, r4, &(0x7f0000000340)=0x3c7, 0x7ffffffe) 03:38:57 executing program 1: r0 = socket$inet6(0xa, 0x1000000000002, 0x0) ioctl(r0, 0x8912, &(0x7f0000000280)="025cc83d6d345f8f762070") syz_mount_image$btrfs(&(0x7f0000000080)='btrfs\x00', &(0x7f0000000100)='./file0\x00', 0x0, 0x1, &(0x7f0000000200)=[{&(0x7f0000000500)="8da4363a00000000211501000000004d01000000000000000000000000000000ecf6f2a2299748aeb81e1b00920efd9a000001000000000001000000000000005f42485266535f4dd2f873574f257e0a01e2a6a02f5e071383fa5a669a53f2fe9eb4eb7918628af41b", 0x69, 0x10000}], 0x0, &(0x7f0000000240)) 03:38:57 executing program 0: perf_event_open(&(0x7f0000000180)={0x2, 0x70}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) r0 = socket$inet_udp(0x2, 0x2, 0x0) sendto$inet(r0, &(0x7f0000000000), 0x0, 0x400c000, &(0x7f000083b000)={0x2, 0x4e20}, 0x10) r1 = syz_open_procfs(0x0, &(0x7f0000000080)='net/udp\x00') sendfile(r0, r1, &(0x7f0000000000), 0xff) 03:38:57 executing program 4: r0 = socket$nl_xfrm(0x10, 0x3, 0x6) sendmsg$nl_xfrm(r0, &(0x7f0000000400)={&(0x7f0000000040)={0x10}, 0xc, &(0x7f00000001c0)={&(0x7f0000000080)=@updpolicy={0xb8, 0x14, 0x407, 0x0, 0x0, {{@in=@loopback=0x7f000001, @in6=@ipv4={[0x0, 0x0, 0x0, 0x34000], [0xff, 0xff], @dev={0xac, 0x14, 0x14}}, 0x0, 0x0, 0x0, 0x0, 0x2}}}, 0xb8}, 0x1}, 0x0) [ 1438.899284] 9pnet: Unknown protocol version 9pG000 [ 1438.914785] BTRFS error (device loop1): superblock checksum mismatch [ 1438.933562] 9pnet: Unknown protocol version 9pG000 03:38:57 executing program 7: sendmsg$IPVS_CMD_FLUSH(0xffffffffffffffff, &(0x7f0000000340)={&(0x7f0000000100)={0x10}, 0xc, &(0x7f00000002c0)={&(0x7f00000001c0)=ANY=[@ANYBLOB='P\x00\x00\x00', @ANYBLOB="00000000000000000000110000002800030014000200697064647030000000000000000000000800040000000000080001000000000014000100080009000000000008005f50e2470000"], 0x2}, 0x1}, 0x0) r0 = socket$nl_generic(0x10, 0x3, 0x10) sendmsg$nl_generic(r0, &(0x7f00003cefe4)={&(0x7f0000000300)={0x10, 0x36200}, 0xc, &(0x7f0000007ff0)={&(0x7f0000000180)={0xffce, 0x2e, 0x6fd, 0x0, 0x0, {0x2004}, [@nested={0xc, 0x0, [@typed={0x62, 0x9, @ipv4}]}]}, 0xffce}, 0x1, 0xfffff000}, 0x0) 03:38:57 executing program 5: r0 = perf_event_open(&(0x7f0000000180)={0x2, 0x70, 0x3e5}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) r1 = openat$vcs(0xffffffffffffff9c, &(0x7f0000000080)='/dev/vcs\x00', 0x90b00, 0x0) ioctl$RTC_EPOCH_READ(r1, 0x8008700d, &(0x7f00000000c0)) socket$inet6(0xa, 0x202000000802, 0x0) r2 = syz_open_procfs(0x0, &(0x7f0000000040)='wchan\x00') sendfile(r2, r0, &(0x7f0000000340)=0x100, 0x100000001) 03:38:57 executing program 2: r0 = socket$inet6(0xa, 0x1000000000002, 0x0) ioctl(r0, 0x8912, &(0x7f0000000280)="025cc83d6d345f8f762070") syz_mount_image$btrfs(&(0x7f0000000080)='btrfs\x00', &(0x7f0000000100)='./file0\x00', 0x0, 0x1, &(0x7f0000000200)=[{&(0x7f0000000500)="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", 0x116, 0x10000}], 0x0, &(0x7f0000000240)) 03:38:57 executing program 0: perf_event_open(&(0x7f0000000180)={0x2, 0x70}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) r0 = socket$inet_udp(0x2, 0x2, 0x0) sendto$inet(r0, &(0x7f0000000000), 0x0, 0x400c000, &(0x7f000083b000)={0x2, 0x4e20}, 0x10) r1 = syz_open_procfs(0x0, &(0x7f0000000080)='net/udp\x00') sendfile(r0, r1, &(0x7f0000000000), 0xff) [ 1438.950293] BTRFS error (device loop1): open_ctree failed [ 1438.965501] BTRFS error (device loop1): superblock checksum mismatch [ 1438.989695] BTRFS error (device loop1): open_ctree failed 03:38:57 executing program 6: perf_event_open(&(0x7f0000000180)={0x2, 0x70, 0x3e5}, 0x0, 0x0, 0xffffffffffffffff, 0x0) ioctl$KVM_CREATE_VM(0xffffffffffffffff, 0xae01, 0x0) pipe2$9p(&(0x7f0000000000)={0xffffffffffffffff, 0xffffffffffffffff}, 0x0) write$P9_RLERRORu(r1, &(0x7f0000000080)=ANY=[@ANYBLOB="1400000007ffff0700"], 0x9) mkdir(&(0x7f0000000440)='./file0\x00', 0x0) mount$9p_fd(0x0, &(0x7f00000005c0)='./file0\x00', &(0x7f0000000600)='9p\x00', 0x0, &(0x7f0000000640)={'trans=fd,', {'rfdno', 0x3d, r0}, 0x2c, {'wfdno', 0x3d, r1}, 0x2c, {[{@version_9p2000='version=9p\n000', 0x2c}]}}) 03:38:57 executing program 5: perf_event_open(&(0x7f0000000180)={0x2, 0x70, 0x3e5, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x6}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) r0 = socket$inet6(0xa, 0x202000000802, 0x0) r1 = syz_open_procfs(0x0, &(0x7f0000000040)='wchan\x00') sendfile(r0, r1, &(0x7f0000000340)=0x1c7, 0x7ffffffe) getsockopt$inet_sctp_SCTP_PRIMARY_ADDR(r1, 0x84, 0x6, &(0x7f0000000080)={0x0, @in6={{0xa, 0x4e23, 0x1, @remote={0xfe, 0x80, [], 0xbb}, 0x4}}}, &(0x7f0000000140)=0x84) getsockopt$inet_sctp6_SCTP_SOCKOPT_CONNECTX3(r1, 0x84, 0x6f, &(0x7f00000002c0)={r2, 0x38, &(0x7f0000000200)=[@in6={0xa, 0x4e22, 0xff, @local={0xfe, 0x80, [], 0xaa}, 0x6}, @in6={0xa, 0x4e21, 0x3, @mcast2={0xff, 0x2, [], 0x1}, 0x7}]}, &(0x7f0000000280)=0x10) mmap$xdp(&(0x7f0000ff5000/0x8000)=nil, 0x8000, 0x2, 0x41010, r1, 0x0) [ 1439.076177] BTRFS error (device loop2): unsupported checksum algorithm 3786 [ 1439.077557] 9pnet: Unknown protocol version 9p [ 1439.077557] 000 [ 1439.083401] BTRFS error (device loop2): superblock checksum mismatch [ 1439.119681] BTRFS error (device loop2): open_ctree failed [ 1439.128805] 9pnet: Unknown protocol version 9p [ 1439.128805] 000 [ 1439.149800] BTRFS error (device loop2): unsupported checksum algorithm 3786 [ 1439.156975] BTRFS error (device loop2): superblock checksum mismatch [ 1439.164383] BTRFS error (device loop2): open_ctree failed 03:38:58 executing program 3: r0 = socket$inet(0x2, 0x4000000000000001, 0x0) setsockopt$inet_tcp_TCP_CONGESTION(r0, 0x6, 0xd, &(0x7f0000000140)='nv\x00', 0x3) sendto$inet(r0, &(0x7f0000a88f88), 0xfffffffffffffe6e, 0x20000000, &(0x7f0000e68000)={0x2, 0x0, @local={0xac, 0x14, 0x14, 0xaa}, [0x0, 0x1000000]}, 0x10) shutdown(r0, 0x0) 03:38:58 executing program 7: sendmsg$IPVS_CMD_FLUSH(0xffffffffffffffff, &(0x7f0000000340)={&(0x7f0000000100)={0x10}, 0xc, &(0x7f00000002c0)={&(0x7f00000001c0)=ANY=[@ANYBLOB='P\x00\x00\x00', @ANYBLOB="00000000000000000000110000002800030014000200697064647030000000000000000000000800040000000000080001000000000014000100080009000000000008005f50e2470000"], 0x2}, 0x1}, 0x0) r0 = socket$nl_generic(0x10, 0x3, 0x10) sendmsg$nl_generic(r0, &(0x7f00003cefe4)={&(0x7f0000000300)={0x10, 0x36200}, 0xc, &(0x7f0000007ff0)={&(0x7f0000000180)={0xffce, 0x2e, 0x6fd, 0x0, 0x0, {0x2004}, [@nested={0xc, 0x0, [@typed={0x62, 0x9, @ipv4}]}]}, 0xffce}, 0x1, 0xf000000}, 0x0) 03:38:58 executing program 4: r0 = socket$nl_xfrm(0x10, 0x3, 0x6) sendmsg$nl_xfrm(r0, &(0x7f0000000400)={&(0x7f0000000040)={0x10}, 0xc, &(0x7f00000001c0)={&(0x7f0000000080)=@updpolicy={0xb8, 0x14, 0x407, 0x0, 0x0, {{@in=@loopback=0x7f000001, @in6=@ipv4={[0x0, 0x0, 0x0, 0xf0ffffff00000000], [0xff, 0xff], @dev={0xac, 0x14, 0x14}}, 0x0, 0x0, 0x0, 0x0, 0x2}}}, 0xb8}, 0x1}, 0x0) 03:38:58 executing program 1: r0 = socket$inet6(0xa, 0x1000000000002, 0x0) ioctl(r0, 0x8912, &(0x7f0000000280)="025cc83d6d345f8f762070") syz_mount_image$btrfs(&(0x7f0000000080)='btrfs\x00', &(0x7f0000000100)='./file0\x00', 0x0, 0x1, &(0x7f0000000200)=[{&(0x7f0000000500)="8da4363a00000000ee0300000000004d01000000000000000000000000000000ecf6f2a2299748aeb81e1b00920efd9a000001000000000001000000000000005f42485266535f4dd2f873574f257e0a01e2a6a02f5e071383fa5a669a53f2fe9eb4eb7918628af41b", 0x69, 0x10000}], 0x0, &(0x7f0000000240)) 03:38:58 executing program 0: perf_event_open(&(0x7f0000000180)={0x2, 0x70, 0x3e5}, 0x0, 0x0, 0xffffffffffffffff, 0x0) r0 = socket$inet_udp(0x2, 0x2, 0x0) sendto$inet(r0, &(0x7f0000000000), 0x0, 0x400c000, &(0x7f000083b000)={0x2, 0x4e20}, 0x10) r1 = syz_open_procfs(0x0, &(0x7f0000000080)='net/udp\x00') sendfile(r0, r1, &(0x7f0000000000), 0xff) 03:38:58 executing program 5: r0 = socket$inet_sctp(0x2, 0x1, 0x84) getsockopt$inet_sctp_SCTP_PEER_ADDR_PARAMS(r0, 0x84, 0x9, &(0x7f0000c7df60)={0x7ff, @in6={{0xa}}}, &(0x7f0000000000)=0x98) setsockopt$inet_sctp_SCTP_SOCKOPT_CONNECTX(r0, 0x84, 0x6e, &(0x7f0000000080)=[@in={0x2, 0x4e20, @rand_addr=0x8}, @in={0x2, 0x4e23, @loopback=0x7f000001}], 0x20) setsockopt$inet_sctp_SCTP_DELAYED_SACK(r0, 0x84, 0x10, &(0x7f0000000040)=@sack_info={r1, 0x4, 0xffffffff00000001}, 0xc) 03:38:58 executing program 6: perf_event_open(&(0x7f0000000180)={0x2, 0x70, 0x3e5}, 0x0, 0x0, 0xffffffffffffffff, 0x0) ioctl$KVM_CREATE_VM(0xffffffffffffffff, 0xae01, 0x0) pipe2$9p(&(0x7f0000000000)={0xffffffffffffffff, 0xffffffffffffffff}, 0x0) write$P9_RLERRORu(r1, &(0x7f0000000080)=ANY=[@ANYBLOB="1400000007ffff0700"], 0x9) mkdir(&(0x7f0000000440)='./file0\x00', 0x0) mount$9p_fd(0x0, &(0x7f00000005c0)='./file0\x00', &(0x7f0000000600)='9p\x00', 0x0, &(0x7f0000000640)={'trans=fd,', {'rfdno', 0x3d, r0}, 0x2c, {'wfdno', 0x3d, r1}, 0x2c, {[{@version_9p2000='version=9p2%00', 0x2c}]}}) 03:38:58 executing program 2: r0 = socket$inet6(0xa, 0x1000000000002, 0x0) ioctl(r0, 0x8912, &(0x7f0000000280)="025cc83d6d345f8f762070") syz_mount_image$btrfs(&(0x7f0000000080)='btrfs\x00', &(0x7f0000000100)='./file0\x00', 0x0, 0x1, &(0x7f0000000200)=[{&(0x7f0000000500)="8da4363a0000000000000108c700004d01000000000000000000000000000000ecf6f2a2299748aeb81e1b00920efd9a000001000000000001000000000000005f42485266535f4dd2f873574f257e0a01e2a6a02f5e071383fa5a669a53f2fe9eb4eb7918628af41b035fd98372e7c2a6970f550441f0b263dca46c12ce6aaa994fbb4b3493ca901878bb330d2db8e953fc883f9c754f419e963874199295a945ec867b4f224fde52268a81e1154b80f7076f32b6eb8614c672ecdecd385a1a7b8cac7cca0eb0cdbf1c5ee539c37d1f23b763ce55672b8e492664e624e0efe078f2e3aa38061af373a3d160cfbe9b6318577fabec9baa14a9377d7ffef2b72f36353de7db160717b00a6f6055d08594df3bff1ac4f0", 0x116, 0x10000}], 0x0, &(0x7f0000000240)) [ 1439.818745] 9pnet: Unknown protocol version 9p2%00 03:38:58 executing program 0: perf_event_open(&(0x7f0000000180)={0x2, 0x70, 0x3e5}, 0x0, 0x0, 0xffffffffffffffff, 0x0) r0 = socket$inet_udp(0x2, 0x2, 0x0) sendto$inet(0xffffffffffffffff, &(0x7f0000000000), 0x0, 0x400c000, &(0x7f000083b000)={0x2, 0x4e20}, 0x10) r1 = syz_open_procfs(0x0, &(0x7f0000000080)='net/udp\x00') sendfile(r0, r1, &(0x7f0000000000), 0xff) 03:38:58 executing program 0: perf_event_open(&(0x7f0000000180)={0x2, 0x70, 0x3e5}, 0x0, 0x0, 0xffffffffffffffff, 0x0) r0 = socket$inet_udp(0x2, 0x2, 0x0) sendto$inet(r0, &(0x7f0000000000), 0x0, 0x0, &(0x7f000083b000)={0x2, 0x4e20}, 0x10) r1 = syz_open_procfs(0x0, &(0x7f0000000080)='net/udp\x00') sendfile(r0, r1, &(0x7f0000000000), 0xff) 03:38:58 executing program 7: sendmsg$IPVS_CMD_FLUSH(0xffffffffffffffff, &(0x7f0000000340)={&(0x7f0000000100)={0x10}, 0xc, &(0x7f00000002c0)={&(0x7f00000001c0)=ANY=[@ANYBLOB='P\x00\x00\x00', @ANYBLOB="00000000000000000000110000002800030014000200697064647030000000000000000000000800040000000000080001000000000014000100080009000000000008005f50e2470000"], 0x2}, 0x1}, 0x0) r0 = socket$nl_generic(0x10, 0x3, 0x10) sendmsg$nl_generic(r0, &(0x7f00003cefe4)={&(0x7f0000000300)={0x10, 0x36200}, 0xc, &(0x7f0000007ff0)={&(0x7f0000000180)={0xffce, 0x2e, 0x6fd, 0x0, 0x0, {0x2004}, [@nested={0xc, 0x0, [@typed={0x62, 0x9, @ipv4}]}]}, 0xffce}, 0x1, 0xf000}, 0x0) 03:38:58 executing program 5: r0 = getpid() sched_setattr(r0, &(0x7f0000000080)={0x0, 0x2, 0x0, 0x0, 0x3}, 0x0) rt_sigsuspend(&(0x7f0000000040), 0x8) clock_nanosleep(0x0, 0x0, &(0x7f0000000140)={0x0, 0x1c9c380}, &(0x7f0000000180)) mmap(&(0x7f0000000000/0xb36000)=nil, 0xb36000, 0x80000003, 0x8031, 0xffffffffffffffff, 0x0) io_setup(0x10000000000080, &(0x7f0000000240)) syz_open_dev$dmmidi(&(0x7f0000000000)='/dev/dmmidi#\x00', 0x0, 0x0) 03:38:58 executing program 4: r0 = socket$nl_xfrm(0x10, 0x3, 0x6) sendmsg$nl_xfrm(r0, &(0x7f0000000400)={&(0x7f0000000040)={0x10}, 0xc, &(0x7f00000001c0)={&(0x7f0000000080)=@updpolicy={0xb8, 0x14, 0x407, 0x0, 0x0, {{@in=@loopback=0x7f000001, @in6=@ipv4={[0x0, 0x0, 0x0, 0x300000000000000], [0xff, 0xff], @dev={0xac, 0x14, 0x14}}, 0x0, 0x0, 0x0, 0x0, 0x2}}}, 0xb8}, 0x1}, 0x0) [ 1439.841748] BTRFS error (device loop2): unsupported checksum algorithm 3786 [ 1439.849027] BTRFS error (device loop2): superblock checksum mismatch [ 1439.877773] 9pnet: Unknown protocol version 9p2%00 03:38:58 executing program 6: perf_event_open(&(0x7f0000000180)={0x2, 0x70, 0x3e5}, 0x0, 0x0, 0xffffffffffffffff, 0x0) ioctl$KVM_CREATE_VM(0xffffffffffffffff, 0xae01, 0x0) pipe2$9p(&(0x7f0000000000)={0xffffffffffffffff, 0xffffffffffffffff}, 0x0) write$P9_RLERRORu(r1, &(0x7f0000000080)=ANY=[@ANYBLOB="1400000007ffff0700"], 0x9) mkdir(&(0x7f0000000440)='./file0\x00', 0x0) mount$9p_fd(0x0, &(0x7f00000005c0)='./file0\x00', &(0x7f0000000600)='9p\x00', 0x0, &(0x7f0000000640)={'trans=fd,', {'rfdno', 0x3d, r0}, 0x2c, {'wfdno', 0x3d, r1}, 0x2c, {[{@version_9p2000='version=9p2-00', 0x2c}]}}) 03:38:58 executing program 4: r0 = socket$nl_xfrm(0x10, 0x3, 0x6) sendmsg$nl_xfrm(r0, &(0x7f0000000400)={&(0x7f0000000040)={0x10}, 0xc, &(0x7f00000001c0)={&(0x7f0000000080)=@updpolicy={0xb8, 0x14, 0x407, 0x0, 0x0, {{@in=@loopback=0x7f000001, @in6=@ipv4={[0x0, 0x0, 0x0, 0xffffff7f], [0xff, 0xff], @dev={0xac, 0x14, 0x14}}, 0x0, 0x0, 0x0, 0x0, 0x2}}}, 0xb8}, 0x1}, 0x0) [ 1439.902211] BTRFS error (device loop2): open_ctree failed [ 1439.924227] BTRFS error (device loop2): unsupported checksum algorithm 3786 [ 1439.931482] BTRFS error (device loop2): superblock checksum mismatch 03:38:58 executing program 2: r0 = socket$inet6(0xa, 0x1000000000002, 0x0) ioctl(r0, 0x8912, &(0x7f0000000280)="025cc83d6d345f8f762070") syz_mount_image$btrfs(&(0x7f0000000080)='btrfs\x00', &(0x7f0000000100)='./file0\x00', 0x0, 0x1, &(0x7f0000000200)=[{&(0x7f0000000500)="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", 0x116, 0x10000}], 0x0, &(0x7f0000000240)) [ 1439.969396] BTRFS error (device loop2): open_ctree failed [ 1440.018525] 9pnet: Unknown protocol version 9p2-00 [ 1440.024501] BTRFS error (device loop1): superblock checksum mismatch [ 1440.038687] 9pnet: Unknown protocol version 9p2-00 [ 1440.050428] BTRFS error (device loop1): open_ctree failed [ 1440.096237] BTRFS error (device loop2): unsupported checksum algorithm 3786 [ 1440.103418] BTRFS error (device loop2): superblock checksum mismatch [ 1440.111088] BTRFS error (device loop2): open_ctree failed 03:38:59 executing program 3: r0 = socket$inet(0x2, 0x4000000000000001, 0x0) setsockopt$inet_tcp_TCP_CONGESTION(r0, 0x6, 0xd, &(0x7f0000000140)='nv\x00', 0x3) sendto$inet(r0, &(0x7f0000a88f88), 0xfffffffffffffe6e, 0x20000000, &(0x7f0000e68000)={0x2, 0x0, @local={0xac, 0x14, 0x14, 0xaa}, [0x0, 0x240]}, 0x10) shutdown(r0, 0x0) 03:38:59 executing program 0: perf_event_open(&(0x7f0000000180)={0x2, 0x70, 0x3e5}, 0x0, 0x0, 0xffffffffffffffff, 0x0) r0 = socket$inet_udp(0x2, 0x2, 0x0) sendto$inet(r0, &(0x7f0000000000), 0x0, 0x400c000, &(0x7f000083b000)={0x2}, 0x10) r1 = syz_open_procfs(0x0, &(0x7f0000000080)='net/udp\x00') sendfile(r0, r1, &(0x7f0000000000), 0xff) 03:38:59 executing program 7: sendmsg$IPVS_CMD_FLUSH(0xffffffffffffffff, &(0x7f0000000340)={&(0x7f0000000100)={0x10}, 0xc, &(0x7f00000002c0)={&(0x7f00000001c0)=ANY=[@ANYBLOB='P\x00\x00\x00', @ANYBLOB="00000000000000000000110000002800030014000200697064647030000000000000000000000800040000000000080001000000000014000100080009000000000008005f50e2470000"], 0x2}, 0x1}, 0x0) r0 = socket$nl_generic(0x10, 0x3, 0x10) sendmsg$nl_generic(r0, &(0x7f00003cefe4)={&(0x7f0000000300)={0x10, 0x36200}, 0xc, &(0x7f0000007ff0)={&(0x7f0000000180)={0xffce, 0x2e, 0x6fd, 0x0, 0x0, {0x2004}, [@nested={0xc, 0x0, [@typed={0x62, 0x9, @ipv4}]}]}, 0xffce}, 0x1, 0xa00}, 0x0) 03:38:59 executing program 4: r0 = socket$nl_xfrm(0x10, 0x3, 0x6) sendmsg$nl_xfrm(r0, &(0x7f0000000400)={&(0x7f0000000040)={0x10}, 0xc, &(0x7f00000001c0)={&(0x7f0000000080)=@updpolicy={0xb8, 0x14, 0x407, 0x0, 0x0, {{@in=@loopback=0x7f000001, @in6=@ipv4={[0x0, 0x0, 0x0, 0xffffff9e], [0xff, 0xff], @dev={0xac, 0x14, 0x14}}, 0x0, 0x0, 0x0, 0x0, 0x2}}}, 0xb8}, 0x1}, 0x0) 03:38:59 executing program 1: r0 = socket$inet6(0xa, 0x1000000000002, 0x0) ioctl(r0, 0x8912, &(0x7f0000000280)="025cc83d6d345f8f762070") syz_mount_image$btrfs(&(0x7f0000000080)='btrfs\x00', &(0x7f0000000100)='./file0\x00', 0x0, 0x1, &(0x7f0000000200)=[{&(0x7f0000000500)="8da4363a00000000008000a00000004d01000000000000000000000000000000ecf6f2a2299748aeb81e1b00920efd9a000001000000000001000000000000005f42485266535f4dd2f873574f257e0a01e2a6a02f5e071383fa5a669a53f2fe9eb4eb7918628af41b", 0x69, 0x10000}], 0x0, &(0x7f0000000240)) 03:38:59 executing program 6: perf_event_open(&(0x7f0000000180)={0x2, 0x70, 0x3e5}, 0x0, 0x0, 0xffffffffffffffff, 0x0) ioctl$KVM_CREATE_VM(0xffffffffffffffff, 0xae01, 0x0) pipe2$9p(&(0x7f0000000000)={0xffffffffffffffff, 0xffffffffffffffff}, 0x0) write$P9_RLERRORu(r1, &(0x7f0000000080)=ANY=[@ANYBLOB="1400000007ffff0700"], 0x9) mkdir(&(0x7f0000000440)='./file0\x00', 0x0) mount$9p_fd(0x0, &(0x7f00000005c0)='./file0\x00', &(0x7f0000000600)='9p\x00', 0x0, &(0x7f0000000640)={'trans=fd,', {'rfdno', 0x3d, r0}, 0x2c, {'wfdno', 0x3d, r1}, 0x2c, {[{@version_9p2000='version=9p2\n00', 0x2c}]}}) 03:38:59 executing program 2: r0 = socket$inet6(0xa, 0x1000000000002, 0x0) ioctl(r0, 0x8912, &(0x7f0000000280)="025cc83d6d345f8f762070") syz_mount_image$btrfs(&(0x7f0000000080)='btrfs\x00', &(0x7f0000000100)='./file0\x00', 0x0, 0x1, &(0x7f0000000200)=[{&(0x7f0000000500)="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", 0x116, 0x10000}], 0x0, &(0x7f0000000240)) [ 1440.722343] 9pnet: Unknown protocol version 9p2 [ 1440.722343] 00 [ 1440.736763] BTRFS error (device loop1): superblock checksum mismatch [ 1440.755128] BTRFS error (device loop1): open_ctree failed 03:38:59 executing program 4: r0 = socket$nl_xfrm(0x10, 0x3, 0x6) sendmsg$nl_xfrm(r0, &(0x7f0000000400)={&(0x7f0000000040)={0x10}, 0xc, &(0x7f00000001c0)={&(0x7f0000000080)=@updpolicy={0xb8, 0x14, 0x407, 0x0, 0x0, {{@in=@loopback=0x7f000001, @in6=@ipv4={[0x0, 0x0, 0x0, 0x9effffff], [0xff, 0xff], @dev={0xac, 0x14, 0x14}}, 0x0, 0x0, 0x0, 0x0, 0x2}}}, 0xb8}, 0x1}, 0x0) 03:38:59 executing program 7: sendmsg$IPVS_CMD_FLUSH(0xffffffffffffffff, &(0x7f0000000340)={&(0x7f0000000100)={0x10}, 0xc, &(0x7f00000002c0)={&(0x7f00000001c0)=ANY=[@ANYBLOB='P\x00\x00\x00', @ANYBLOB="00000000000000000000110000002800030014000200697064647030000000000000000000000800040000000000080001000000000014000100080009000000000008005f50e2470000"], 0x2}, 0x1}, 0x0) r0 = socket$nl_generic(0x10, 0x3, 0x10) sendmsg$nl_generic(r0, &(0x7f00003cefe4)={&(0x7f0000000300)={0x10, 0x36200}, 0xc, &(0x7f0000007ff0)={&(0x7f0000000180)={0xffce, 0x2e, 0x6fd, 0x0, 0x0, {0x2004}, [@nested={0xc, 0x0, [@typed={0x62, 0x9, @ipv4}]}]}, 0xffce}, 0x1, 0x5416}, 0x0) 03:38:59 executing program 0: perf_event_open(&(0x7f0000000180)={0x2, 0x70, 0x3e5}, 0x0, 0x0, 0xffffffffffffffff, 0x0) r0 = socket$inet_udp(0x2, 0x2, 0x0) sendto$inet(r0, &(0x7f0000000000), 0x0, 0x400c000, &(0x7f000083b000)={0x2, 0x4e20}, 0x10) r1 = syz_open_procfs(0x0, &(0x7f0000000080)='net/udp\x00') sendfile(0xffffffffffffffff, r1, &(0x7f0000000000), 0xff) 03:38:59 executing program 4: r0 = socket$nl_xfrm(0x10, 0x3, 0x6) sendmsg$nl_xfrm(r0, &(0x7f0000000400)={&(0x7f0000000040)={0x10}, 0xc, &(0x7f00000001c0)={&(0x7f0000000080)=@updpolicy={0xb8, 0x14, 0x407, 0x0, 0x0, {{@in=@loopback=0x7f000001, @in6=@ipv4={[0x0, 0x0, 0x0, 0xf000], [0xff, 0xff], @dev={0xac, 0x14, 0x14}}, 0x0, 0x0, 0x0, 0x0, 0x2}}}, 0xb8}, 0x1}, 0x0) [ 1440.807193] 9pnet: Unknown protocol version 9p2 [ 1440.807193] 00 [ 1440.840905] BTRFS error (device loop1): superblock checksum mismatch [ 1440.862189] BTRFS error (device loop1): open_ctree failed [ 1440.896191] BTRFS error (device loop2): unsupported checksum algorithm 3786 [ 1440.903426] BTRFS error (device loop2): superblock checksum mismatch [ 1440.910712] BTRFS error (device loop2): open_ctree failed 03:38:59 executing program 5: r0 = openat$rfkill(0xffffffffffffff9c, &(0x7f0000000000)='/dev/rfkill\x00', 0x800, 0x0) getsockopt$inet_sctp6_SCTP_RECVNXTINFO(r0, 0x84, 0x21, &(0x7f0000000080), &(0x7f00000000c0)=0x4) r1 = syz_open_dev$loop(&(0x7f0000000180)='/dev/loop#\x00', 0x0, 0x4002) io_setup(0x200000007, &(0x7f0000000040)=0x0) io_submit(r2, 0x1, &(0x7f00000002c0)=[&(0x7f0000000140)={0x0, 0x0, 0x0, 0x1, 0x0, r1, &(0x7f00000000c0)}]) 03:38:59 executing program 7: sendmsg$IPVS_CMD_FLUSH(0xffffffffffffffff, &(0x7f0000000340)={&(0x7f0000000100)={0x10}, 0xc, &(0x7f00000002c0)={&(0x7f00000001c0)=ANY=[@ANYBLOB='P\x00\x00\x00', @ANYBLOB="00000000000000000000110000002800030014000200697064647030000000000000000000000800040000000000080001000000000014000100080009000000000008005f50e2470000"], 0x2}, 0x1}, 0x0) r0 = socket$nl_generic(0x10, 0x3, 0x10) sendmsg$nl_generic(r0, &(0x7f00003cefe4)={&(0x7f0000000300)={0x10, 0x36200}, 0xc, &(0x7f0000007ff0)={&(0x7f0000000180)={0xffce, 0x2e, 0x6fd, 0x0, 0x0, {0x2004}, [@nested={0xc, 0x0, [@typed={0x62, 0x9, @ipv4}]}]}, 0xffce}, 0x1, 0x900}, 0x0) 03:38:59 executing program 6: perf_event_open(&(0x7f0000000180)={0x2, 0x70, 0x3e5}, 0x0, 0x0, 0xffffffffffffffff, 0x0) ioctl$KVM_CREATE_VM(0xffffffffffffffff, 0xae01, 0x0) pipe2$9p(&(0x7f0000000000)={0xffffffffffffffff, 0xffffffffffffffff}, 0x0) write$P9_RLERRORu(r1, &(0x7f0000000080)=ANY=[@ANYBLOB="1400000007ffff0700"], 0x9) mkdir(&(0x7f0000000440)='./file0\x00', 0x0) mount$9p_fd(0x0, &(0x7f00000005c0)='./file0\x00', &(0x7f0000000600)='9p\x00', 0x0, &(0x7f0000000640)={'trans=fd,', {'rfdno', 0x3d, r0}, 0x2c, {'wfdno', 0x3d, r1}, 0x2c, {[{@version_9p2000='version=9p2+00', 0x2c}]}}) 03:38:59 executing program 0: perf_event_open(&(0x7f0000000180)={0x2, 0x70, 0x3e5}, 0x0, 0x0, 0xffffffffffffffff, 0x0) r0 = socket$inet_udp(0x2, 0x2, 0x0) sendto$inet(r0, &(0x7f0000000000), 0x0, 0x400c000, &(0x7f000083b000)={0x2, 0x4e20}, 0x10) r1 = syz_open_procfs(0x0, &(0x7f0000000080)='net/udp\x00') sendfile(r0, 0xffffffffffffffff, &(0x7f0000000000), 0xff) 03:38:59 executing program 1: r0 = socket$inet6(0xa, 0x1000000000002, 0x0) ioctl(r0, 0x8912, &(0x7f0000000280)="025cc83d6d345f8f762070") syz_mount_image$btrfs(&(0x7f0000000080)='btrfs\x00', &(0x7f0000000100)='./file0\x00', 0x0, 0x1, &(0x7f0000000200)=[{&(0x7f0000000500)="8da4363a00000000ffffffe40000004d01000000000000000000000000000000ecf6f2a2299748aeb81e1b00920efd9a000001000000000001000000000000005f42485266535f4dd2f873574f257e0a01e2a6a02f5e071383fa5a669a53f2fe9eb4eb7918628af41b", 0x69, 0x10000}], 0x0, &(0x7f0000000240)) [ 1441.214221] 9pnet: Unknown protocol version 9p2+00 [ 1441.237248] 9pnet: Unknown protocol version 9p2+00 03:39:00 executing program 3: r0 = socket$inet(0x2, 0x4000000000000001, 0x0) setsockopt$inet_tcp_TCP_CONGESTION(r0, 0x6, 0xd, &(0x7f0000000140)='nv\x00', 0x3) sendto$inet(r0, &(0x7f0000a88f88), 0xfffffffffffffe6e, 0x20000000, &(0x7f0000e68000)={0x2, 0x0, @local={0xac, 0x14, 0x14, 0xaa}, [0x0, 0xffffff91]}, 0x10) shutdown(r0, 0x0) 03:39:00 executing program 4: r0 = socket$nl_xfrm(0x10, 0x3, 0x6) sendmsg$nl_xfrm(r0, &(0x7f0000000400)={&(0x7f0000000040)={0x10}, 0xc, &(0x7f00000001c0)={&(0x7f0000000080)=@updpolicy={0xb8, 0x14, 0x407, 0x0, 0x0, {{@in=@loopback=0x7f000001, @in6=@ipv4={[0x0, 0x0, 0x0, 0xf00], [0xff, 0xff], @dev={0xac, 0x14, 0x14}}, 0x0, 0x0, 0x0, 0x0, 0x2}}}, 0xb8}, 0x1}, 0x0) 03:39:00 executing program 2: r0 = socket$inet6(0xa, 0x1000000000002, 0x0) ioctl(r0, 0x8912, &(0x7f0000000280)="025cc83d6d345f8f762070") syz_mount_image$btrfs(&(0x7f0000000080)='btrfs\x00', &(0x7f0000000100)='./file0\x00', 0x0, 0x1, &(0x7f0000000200)=[{&(0x7f0000000500)="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", 0x116, 0x10000}], 0x0, &(0x7f0000000240)) 03:39:00 executing program 0: perf_event_open(&(0x7f0000000180)={0x2, 0x70, 0x3e5}, 0x0, 0x0, 0xffffffffffffffff, 0x0) r0 = socket$inet_udp(0x2, 0x2, 0x0) sendto$inet(r0, &(0x7f0000000000), 0x0, 0x400c000, &(0x7f000083b000)={0x2, 0x4e20}, 0x10) r1 = syz_open_procfs(0x0, &(0x7f0000000080)='net/udp\x00') sendfile(r0, r1, &(0x7f0000000000), 0x0) 03:39:00 executing program 7: sendmsg$IPVS_CMD_FLUSH(0xffffffffffffffff, &(0x7f0000000340)={&(0x7f0000000100)={0x10}, 0xc, &(0x7f00000002c0)={&(0x7f00000001c0)=ANY=[@ANYBLOB='P\x00\x00\x00', @ANYBLOB="00000000000000000000110000002800030014000200697064647030000000000000000000000800040000000000080001000000000014000100080009000000000008005f50e2470000"], 0x2}, 0x1}, 0x0) r0 = socket$nl_generic(0x10, 0x3, 0x10) sendmsg$nl_generic(r0, &(0x7f00003cefe4)={&(0x7f0000000300)={0x10, 0x36200}, 0xc, &(0x7f0000007ff0)={&(0x7f0000000180)={0xffce, 0x2e, 0x6fd, 0x0, 0x0, {0x2004}, [@nested={0xc, 0x0, [@typed={0x62, 0x9, @ipv4}]}]}, 0xffce}, 0x1, 0xfffffffffffff000}, 0x0) 03:39:00 executing program 6: perf_event_open(&(0x7f0000000180)={0x2, 0x70, 0x3e5}, 0x0, 0x0, 0xffffffffffffffff, 0x0) ioctl$KVM_CREATE_VM(0xffffffffffffffff, 0xae01, 0x0) pipe2$9p(&(0x7f0000000000)={0xffffffffffffffff, 0xffffffffffffffff}, 0x0) write$P9_RLERRORu(r1, &(0x7f0000000080)=ANY=[@ANYBLOB="1400000007ffff0700"], 0x9) mkdir(&(0x7f0000000440)='./file0\x00', 0x0) mount$9p_fd(0x0, &(0x7f00000005c0)='./file0\x00', &(0x7f0000000600)='9p\x00', 0x0, &(0x7f0000000640)={'trans=fd,', {'rfdno', 0x3d, r0}, 0x2c, {'wfdno', 0x3d, r1}, 0x2c, {[{@version_9p2000='version=9p2G00', 0x2c}]}}) 03:39:00 executing program 1: r0 = socket$inet6(0xa, 0x1000000000002, 0x0) ioctl(r0, 0x8912, &(0x7f0000000280)="025cc83d6d345f8f762070") syz_mount_image$btrfs(&(0x7f0000000080)='btrfs\x00', &(0x7f0000000100)='./file0\x00', 0x0, 0x1, &(0x7f0000000200)=[{&(0x7f0000000500)="8da4363a00000000f40000000000004d01000000000000000000000000000000ecf6f2a2299748aeb81e1b00920efd9a000001000000000001000000000000005f42485266535f4dd2f873574f257e0a01e2a6a02f5e071383fa5a669a53f2fe9eb4eb7918628af41b", 0x69, 0x10000}], 0x0, &(0x7f0000000240)) 03:39:00 executing program 5: r0 = socket$inet_icmp_raw(0x2, 0x3, 0x1) ioctl$sock_inet_SIOCDARP(r0, 0x8953, &(0x7f0000000040)={{0x2, 0x4e24, @broadcast=0xffffffff}, {0x1, @broadcast=[0xff, 0xff, 0xff, 0xff, 0xff, 0xff]}, 0xc, {0x2, 0x4e21, @local={0xac, 0x14, 0x14, 0xaa}}, 'team_slave_1\x00'}) getsockopt$inet_opts(r0, 0x0, 0xd, &(0x7f0000000100)=""/213, &(0x7f0000000000)=0xd5) socket$inet6(0xa, 0x2, 0xad) r1 = openat$ppp(0xffffffffffffff9c, &(0x7f00000000c0)='/dev/ppp\x00', 0x1, 0x0) ioctl$KVM_SET_XSAVE(r1, 0x5000aea5, &(0x7f0000000200)={"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"}) setsockopt$EBT_SO_SET_COUNTERS(r0, 0x0, 0x81, &(0x7f0000000640)={'nat\x00', 0x0, 0x0, 0x0, [], 0x4, &(0x7f0000000600)=[{}, {}], 0x0, [{}, {}, {}, {}]}, 0xb8) 03:39:00 executing program 4: r0 = socket$nl_xfrm(0x10, 0x3, 0x6) sendmsg$nl_xfrm(r0, &(0x7f0000000400)={&(0x7f0000000040)={0x10}, 0xc, &(0x7f00000001c0)={&(0x7f0000000080)=@updpolicy={0xb8, 0x14, 0x407, 0x0, 0x0, {{@in=@loopback=0x7f000001, @in6=@ipv4={[0x0, 0x0, 0x0, 0xfffffffffffff000], [0xff, 0xff], @dev={0xac, 0x14, 0x14}}, 0x0, 0x0, 0x0, 0x0, 0x2}}}, 0xb8}, 0x1}, 0x0) 03:39:00 executing program 7: sendmsg$IPVS_CMD_FLUSH(0xffffffffffffffff, &(0x7f0000000340)={&(0x7f0000000100)={0x10}, 0xc, &(0x7f00000002c0)={&(0x7f00000001c0)=ANY=[@ANYBLOB='P\x00\x00\x00', @ANYBLOB="00000000000000000000110000002800030014000200697064647030000000000000000000000800040000000000080001000000000014000100080009000000000008005f50e2470000"], 0x2}, 0x1}, 0x0) r0 = socket$nl_generic(0x10, 0x3, 0x10) sendmsg$nl_generic(r0, &(0x7f00003cefe4)={&(0x7f0000000300)={0x10, 0x36200}, 0xc, &(0x7f0000007ff0)={&(0x7f0000000180)={0xffce, 0x2e, 0x6fd, 0x0, 0x0, {0x2004}, [@nested={0xc, 0x0, [@typed={0x62, 0x9, @ipv4}]}]}, 0xffce}, 0x1, 0x10}, 0x0) 03:39:00 executing program 0: perf_event_open(&(0x7f0000000180)={0x2, 0x70, 0x3e5}, 0x0, 0x0, 0xffffffffffffffff, 0x0) r0 = socket$inet_udp(0x2, 0x2, 0x0) sendto$inet(r0, &(0x7f0000000000), 0x0, 0x400c000, &(0x7f000083b000)={0x2, 0x4e20}, 0x10) r1 = syz_open_procfs(0x0, &(0x7f0000000080)='net/udp\x00') sendfile(r0, r1, &(0x7f0000000000), 0x0) [ 1441.631837] 9pnet: Unknown protocol version 9p2G00 [ 1441.639824] BTRFS error (device loop1): superblock checksum mismatch [ 1441.659582] BTRFS error (device loop1): open_ctree failed [ 1441.665830] 9pnet: Unknown protocol version 9p2G00 [ 1441.685896] kernel msg: ebtables bug: please report to author: Wrong nr of counters [ 1441.699067] BTRFS error (device loop1): superblock checksum mismatch 03:39:00 executing program 6: perf_event_open(&(0x7f0000000180)={0x2, 0x70, 0x3e5}, 0x0, 0x0, 0xffffffffffffffff, 0x0) ioctl$KVM_CREATE_VM(0xffffffffffffffff, 0xae01, 0x0) pipe2$9p(&(0x7f0000000000)={0xffffffffffffffff, 0xffffffffffffffff}, 0x0) write$P9_RLERRORu(r1, &(0x7f0000000080)=ANY=[@ANYBLOB="1400000007ffff0700"], 0x9) mkdir(&(0x7f0000000440)='./file0\x00', 0x0) mount$9p_fd(0x0, &(0x7f00000005c0)='./file0\x00', &(0x7f0000000600)='9p\x00', 0x0, &(0x7f0000000640)={'trans=fd,', {'rfdno', 0x3d, r0}, 0x2c, {'wfdno', 0x3d, r1}, 0x2c, {[{@version_9p2000='version=9p2#00', 0x2c}]}}) 03:39:00 executing program 4: r0 = socket$nl_xfrm(0x10, 0x3, 0x6) sendmsg$nl_xfrm(r0, &(0x7f0000000400)={&(0x7f0000000040)={0x10}, 0xc, &(0x7f00000001c0)={&(0x7f0000000080)=@updpolicy={0xb8, 0x14, 0x407, 0x0, 0x0, {{@in=@loopback=0x7f000001, @in6=@ipv4={[0x0, 0x0, 0x0, 0x40030000000000], [0xff, 0xff], @dev={0xac, 0x14, 0x14}}, 0x0, 0x0, 0x0, 0x0, 0x2}}}, 0xb8}, 0x1}, 0x0) 03:39:00 executing program 7: sendmsg$IPVS_CMD_FLUSH(0xffffffffffffffff, &(0x7f0000000340)={&(0x7f0000000100)={0x10}, 0xc, &(0x7f00000002c0)={&(0x7f00000001c0)=ANY=[@ANYBLOB='P\x00\x00\x00', @ANYBLOB="00000000000000000000110000002800030014000200697064647030000000000000000000000800040000000000080001000000000014000100080009000000000008005f50e2470000"], 0x2}, 0x1}, 0x0) r0 = socket$nl_generic(0x10, 0x3, 0x10) sendmsg$nl_generic(r0, &(0x7f00003cefe4)={&(0x7f0000000300)={0x10, 0x36200}, 0xc, &(0x7f0000007ff0)={&(0x7f0000000180)={0xffce, 0x2e, 0x6fd, 0x0, 0x0, {0x2004}, [@nested={0xc, 0x0, [@typed={0x62, 0x9, @ipv4}]}]}, 0xffce}, 0x1, 0x3}, 0x0) 03:39:00 executing program 0: perf_event_open(&(0x7f0000000180)={0x2, 0x70, 0x3e5}, 0x0, 0x0, 0xffffffffffffffff, 0x0) r0 = socket$inet_udp(0x2, 0x2, 0x0) sendto$inet(r0, &(0x7f0000000000), 0x0, 0x400c000, &(0x7f000083b000)={0x2, 0x4e20}, 0x10) r1 = syz_open_procfs(0x0, &(0x7f0000000080)='net/udp\x00') sendfile(r0, r1, &(0x7f0000000000), 0x0) 03:39:00 executing program 2: r0 = socket$inet6(0xa, 0x1000000000002, 0x0) ioctl(r0, 0x8912, &(0x7f0000000280)="025cc83d6d345f8f762070") syz_mount_image$btrfs(&(0x7f0000000080)='btrfs\x00', &(0x7f0000000100)='./file0\x00', 0x0, 0x1, &(0x7f0000000200)=[{&(0x7f0000000500)="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", 0x116, 0x10000}], 0x0, &(0x7f0000000240)) [ 1441.729575] kernel msg: ebtables bug: please report to author: Wrong nr of counters [ 1441.760892] BTRFS error (device loop1): open_ctree failed [ 1441.787054] 9pnet: Unknown protocol version 9p2#00 [ 1441.822511] 9pnet: Unknown protocol version 9p2#00 [ 1441.850500] BTRFS error (device loop2): unsupported checksum algorithm 3786 [ 1441.857722] BTRFS error (device loop2): superblock checksum mismatch [ 1441.882474] BTRFS error (device loop2): open_ctree failed [ 1441.902967] BTRFS error (device loop2): unsupported checksum algorithm 3786 [ 1441.910250] BTRFS error (device loop2): superblock checksum mismatch [ 1441.917762] BTRFS error (device loop2): open_ctree failed 03:39:01 executing program 3: r0 = socket$inet(0x2, 0x4000000000000001, 0x0) setsockopt$inet_tcp_TCP_CONGESTION(r0, 0x6, 0xd, &(0x7f0000000140)='nv\x00', 0x3) sendto$inet(r0, &(0x7f0000a88f88), 0xfffffffffffffe6e, 0x20000000, &(0x7f0000e68000)={0x2, 0x0, @local={0xac, 0x14, 0x14, 0xaa}, [0x0, 0x200000000000000]}, 0x10) shutdown(r0, 0x0) 03:39:01 executing program 4: r0 = socket$nl_xfrm(0x10, 0x3, 0x6) sendmsg$nl_xfrm(r0, &(0x7f0000000400)={&(0x7f0000000040)={0x10}, 0xc, &(0x7f00000001c0)={&(0x7f0000000080)=@updpolicy={0xb8, 0x14, 0x407, 0x0, 0x0, {{@in=@loopback=0x7f000001, @in6=@ipv4={[0x0, 0x0, 0x0, 0x9effffff00000000], [0xff, 0xff], @dev={0xac, 0x14, 0x14}}, 0x0, 0x0, 0x0, 0x0, 0x2}}}, 0xb8}, 0x1}, 0x0) 03:39:01 executing program 5: socketpair(0x11, 0x7, 0x8, &(0x7f0000000040)={0xffffffffffffffff, 0xffffffffffffffff}) getsockopt$inet6_tcp_int(r0, 0x6, 0x4, &(0x7f0000000080), &(0x7f00000001c0)=0x4) r2 = socket$inet6(0xa, 0x1000000000002, 0x0) ioctl(r2, 0x8912, &(0x7f0000000280)="025cc83d6d345f8f762070") r3 = openat$kvm(0xffffffffffffff9c, &(0x7f0000000180)='/dev/kvm\x00', 0x0, 0x0) r4 = gettid() wait4(r4, 0x0, 0x60000004, &(0x7f00000002c0)) r5 = ioctl$KVM_CREATE_VM(r3, 0xae01, 0x0) r6 = ioctl$KVM_CREATE_VCPU(r1, 0xae41, 0x0) syz_kvm_setup_cpu$x86(r5, r6, &(0x7f0000000000/0x18000)=nil, &(0x7f0000000280)=[@textreal={0x8, &(0x7f0000000240)="640fbe0af0f75100ba420066ed360faa66b9800000c00f326635000800000f308221990fc71e27000f216d260f2134baf80c66b82735ea8166efbafc0cb06cee", 0x40}], 0x1, 0x24, &(0x7f00000002c0), 0x0) syz_kvm_setup_cpu$x86(0xffffffffffffffff, r2, &(0x7f0000000000/0x18000)=nil, &(0x7f0000000380)=[@text64={0x40, &(0x7f00000000c0)="c40205aaa48f002000002666400f38801f66baa000ed450f01c848b800000100000000000f23c80f21f8350c00a0000f23f8def9739d420f4b3e66b87c000f00d0264e0fc71a", 0x46}], 0xaaaaaaaaaaaaa9e, 0xfffffffffffffffe, &(0x7f0000000200)=[@cr4={0x1, 0x200000}, @dstype0={0x6, 0xf}], 0x2) ioctl$KVM_SET_USER_MEMORY_REGION(r5, 0x4020ae46, &(0x7f0000000000)={0x10004, 0x0, 0x0, 0x2000, &(0x7f0000017000/0x2000)=nil}) ioctl$KVM_RUN(r6, 0xae80, 0x0) ioctl$KVM_RUN(r0, 0xae80, 0x0) ioctl$KVM_RUN(r6, 0xae80, 0x0) ioctl$KVM_GET_PIT2(r0, 0x8070ae9f, &(0x7f00000003c0)) r7 = syz_open_dev$adsp(&(0x7f0000000140)='/dev/adsp#\x00', 0x4, 0x400) write$eventfd(r7, &(0x7f0000000440), 0x8) 03:39:01 executing program 1: r0 = socket$inet6(0xa, 0x1000000000002, 0x0) ioctl(r0, 0x8912, &(0x7f0000000280)="025cc83d6d345f8f762070") syz_mount_image$btrfs(&(0x7f0000000080)='btrfs\x00', &(0x7f0000000100)='./file0\x00', 0x0, 0x1, &(0x7f0000000200)=[{&(0x7f0000000500)="8da4363a00000000f60300000000004d01000000000000000000000000000000ecf6f2a2299748aeb81e1b00920efd9a000001000000000001000000000000005f42485266535f4dd2f873574f257e0a01e2a6a02f5e071383fa5a669a53f2fe9eb4eb7918628af41b", 0x69, 0x10000}], 0x0, &(0x7f0000000240)) 03:39:01 executing program 6: perf_event_open(&(0x7f0000000180)={0x2, 0x70, 0x3e5}, 0x0, 0x0, 0xffffffffffffffff, 0x0) ioctl$KVM_CREATE_VM(0xffffffffffffffff, 0xae01, 0x0) pipe2$9p(&(0x7f0000000000)={0xffffffffffffffff, 0xffffffffffffffff}, 0x0) write$P9_RLERRORu(r1, &(0x7f0000000080)=ANY=[@ANYBLOB="1400000007ffff0700"], 0x9) mkdir(&(0x7f0000000440)='./file0\x00', 0x0) mount$9p_fd(0x0, &(0x7f00000005c0)='./file0\x00', &(0x7f0000000600)='9p\x00', 0x0, &(0x7f0000000640)={'trans=fd,', {'rfdno', 0x3d, r0}, 0x2c, {'wfdno', 0x3d, r1}, 0x2c, {[{@version_9p2000='version=9p20G0', 0x2c}]}}) 03:39:01 executing program 7: sendmsg$IPVS_CMD_FLUSH(0xffffffffffffffff, &(0x7f0000000340)={&(0x7f0000000100)={0x10}, 0xc, &(0x7f00000002c0)={&(0x7f00000001c0)=ANY=[@ANYBLOB='P\x00\x00\x00', @ANYBLOB="00000000000000000000110000002800030014000200697064647030000000000000000000000800040000000000080001000000000014000100080009000000000008005f50e2470000"], 0x2}, 0x1}, 0x0) r0 = socket$nl_generic(0x10, 0x3, 0x10) sendmsg$nl_generic(r0, &(0x7f00003cefe4)={&(0x7f0000000300)={0x10, 0x36200}, 0xc, &(0x7f0000007ff0)={&(0x7f0000000180)={0xffce, 0x2e, 0x6fd, 0x0, 0x0, {0x2004}, [@nested={0xc, 0x0, [@typed={0x62, 0x9, @ipv4}]}]}, 0xffce}, 0x1, 0x400000000000000}, 0x0) 03:39:01 executing program 0 (fault-call:4 fault-nth:0): perf_event_open(&(0x7f0000000180)={0x2, 0x70, 0x3e5}, 0x0, 0x0, 0xffffffffffffffff, 0x0) r0 = socket$inet_udp(0x2, 0x2, 0x0) sendto$inet(r0, &(0x7f0000000000), 0x0, 0x400c000, &(0x7f000083b000)={0x2, 0x4e20}, 0x10) r1 = syz_open_procfs(0x0, &(0x7f0000000080)='net/udp\x00') sendfile(r0, r1, &(0x7f0000000000), 0xff) 03:39:01 executing program 2: r0 = socket$inet6(0xa, 0x1000000000002, 0x0) ioctl(r0, 0x8912, &(0x7f0000000280)="025cc83d6d345f8f762070") syz_mount_image$btrfs(&(0x7f0000000080)='btrfs\x00', &(0x7f0000000100)='./file0\x00', 0x0, 0x1, &(0x7f0000000200)=[{&(0x7f0000000500)="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", 0x116, 0x10000}], 0x0, &(0x7f0000000240)) [ 1442.527471] nla_parse: 32 callbacks suppressed [ 1442.527480] netlink: 104 bytes leftover after parsing attributes in process `syz-executor4'. [ 1442.529956] FAULT_INJECTION: forcing a failure. [ 1442.529956] name failslab, interval 1, probability 0, space 0, times 0 [ 1442.533116] netlink: 65362 bytes leftover after parsing attributes in process `syz-executor7'. [ 1442.541184] CPU: 0 PID: 23483 Comm: syz-executor0 Not tainted 4.18.0-rc3-next-20180709+ #2 [ 1442.541203] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 1442.552409] net_ratelimit: 42 callbacks suppressed [ 1442.552417] openvswitch: netlink: ufid size 94 bytes exceeds the range (1, 16) [ 1442.561121] Call Trace: [ 1442.561152] dump_stack+0x1c9/0x2b4 [ 1442.561176] ? dump_stack_print_info.cold.2+0x52/0x52 [ 1442.561197] ? perf_trace_lock+0x49d/0x920 [ 1442.569591] openvswitch: netlink: Flow set message rejected, Key attribute missing. [ 1442.578928] should_fail.cold.4+0xa/0x11 [ 1442.578951] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 1442.623625] ? perf_trace_lock+0x49d/0x920 [ 1442.627856] ? zap_class+0x740/0x740 [ 1442.631561] ? perf_tp_event+0xc40/0xc40 [ 1442.635622] ? lock_acquire+0x1e4/0x540 [ 1442.639584] ? fs_reclaim_acquire+0x20/0x20 [ 1442.644328] ? lock_downgrade+0x8f0/0x8f0 [ 1442.648474] ? check_same_owner+0x340/0x340 [ 1442.652787] ? rcu_note_context_switch+0x730/0x730 [ 1442.657720] __should_failslab+0x124/0x180 [ 1442.661954] should_failslab+0x9/0x14 [ 1442.665749] kmem_cache_alloc_trace+0x2cb/0x780 [ 1442.670411] ? perf_trace_run_bpf_submit+0x269/0x3b0 [ 1442.675504] ? perf_trace_run_bpf_submit+0x269/0x3b0 [ 1442.680602] alloc_pipe_info+0x175/0x5a0 [ 1442.684656] ? pipe_read+0x940/0x940 [ 1442.688372] ? ksys_dup3+0x690/0x690 [ 1442.692083] ? perf_trace_lock+0x49d/0x920 [ 1442.696344] ? zap_class+0x740/0x740 [ 1442.700053] splice_direct_to_actor+0x6fc/0x8f0 [ 1442.704718] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 1442.710254] ? pipe_to_sendpage+0x400/0x400 [ 1442.714569] ? do_splice_to+0x190/0x190 [ 1442.718531] ? security_file_permission+0x1c2/0x230 [ 1442.723540] ? rw_verify_area+0x118/0x360 [ 1442.727690] do_splice_direct+0x2d4/0x420 [ 1442.731834] ? splice_direct_to_actor+0x8f0/0x8f0 [ 1442.736671] ? rw_verify_area+0x118/0x360 [ 1442.740813] do_sendfile+0x62a/0xe20 [ 1442.744527] ? do_compat_pwritev64+0x1c0/0x1c0 [ 1442.749170] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 1442.754697] ? _copy_from_user+0xdf/0x150 [ 1442.758838] __x64_sys_sendfile64+0x15d/0x250 [ 1442.763338] ? __ia32_sys_sendfile+0x2a0/0x2a0 [ 1442.767921] do_syscall_64+0x1b9/0x820 [ 1442.771795] ? finish_task_switch+0x1d3/0x870 [ 1442.776281] ? syscall_return_slowpath+0x5e0/0x5e0 [ 1442.781201] ? syscall_return_slowpath+0x31d/0x5e0 [ 1442.786120] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 1442.791127] ? prepare_exit_to_usermode+0x291/0x3b0 [ 1442.796568] ? perf_trace_sys_enter+0xb10/0xb10 [ 1442.801229] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 1442.806070] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 1442.811246] RIP: 0033:0x455e29 [ 1442.814420] Code: 1d ba fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 0f 83 eb b9 fb ff c3 66 2e 0f 1f 84 00 00 00 00 [ 1442.833791] RSP: 002b:00007f77b34dfc68 EFLAGS: 00000246 ORIG_RAX: 0000000000000028 [ 1442.841500] RAX: ffffffffffffffda RBX: 00007f77b34e06d4 RCX: 0000000000455e29 [ 1442.848757] RDX: 0000000020000000 RSI: 0000000000000015 RDI: 0000000000000014 [ 1442.856025] RBP: 000000000072bea0 R08: 0000000000000000 R09: 0000000000000000 [ 1442.863280] R10: 00000000000000ff R11: 0000000000000246 R12: 0000000000000016 [ 1442.870539] R13: 00000000004c1113 R14: 00000000004d1540 R15: 0000000000000000 03:39:01 executing program 4: r0 = socket$nl_xfrm(0x10, 0x3, 0x6) sendmsg$nl_xfrm(r0, &(0x7f0000000400)={&(0x7f0000000040)={0x10}, 0xc, &(0x7f00000001c0)={&(0x7f0000000080)=@updpolicy={0xb8, 0x14, 0x407, 0x0, 0x0, {{@in=@loopback=0x7f000001, @in6=@ipv4={[0x0, 0x0, 0x0, 0x100000000000000], [0xff, 0xff], @dev={0xac, 0x14, 0x14}}, 0x0, 0x0, 0x0, 0x0, 0x2}}}, 0xb8}, 0x1}, 0x0) [ 1442.884136] 9pnet: Unknown protocol version 9p20G0 [ 1442.892015] BTRFS error (device loop1): superblock checksum mismatch [ 1442.899958] netlink: 65362 bytes leftover after parsing attributes in process `syz-executor7'. [ 1442.908787] openvswitch: netlink: ufid size 94 bytes exceeds the range (1, 16) [ 1442.916165] openvswitch: netlink: Flow set message rejected, Key attribute missing. [ 1442.926337] BTRFS error (device loop1): open_ctree failed 03:39:01 executing program 7: sendmsg$IPVS_CMD_FLUSH(0xffffffffffffffff, &(0x7f0000000340)={&(0x7f0000000100)={0x10}, 0xc, &(0x7f00000002c0)={&(0x7f00000001c0)=ANY=[@ANYBLOB='P\x00\x00\x00', @ANYBLOB="00000000000000000000110000002800030014000200697064647030000000000000000000000800040000000000080001000000000014000100080009000000000008005f50e2470000"], 0x2}, 0x1}, 0x0) r0 = socket$nl_generic(0x10, 0x3, 0x10) sendmsg$nl_generic(r0, &(0x7f00003cefe4)={&(0x7f0000000300)={0x10, 0x36200}, 0xc, &(0x7f0000007ff0)={&(0x7f0000000180)={0xffce, 0x2e, 0x6fd, 0x0, 0x0, {0x2004}, [@nested={0xc, 0x0, [@typed={0x62, 0x9, @ipv4}]}]}, 0xffce}, 0x1, 0x4c00000000000000}, 0x0) 03:39:01 executing program 6: perf_event_open(&(0x7f0000000180)={0x2, 0x70, 0x3e5}, 0x0, 0x0, 0xffffffffffffffff, 0x0) ioctl$KVM_CREATE_VM(0xffffffffffffffff, 0xae01, 0x0) pipe2$9p(&(0x7f0000000000)={0xffffffffffffffff, 0xffffffffffffffff}, 0x0) write$P9_RLERRORu(r1, &(0x7f0000000080)=ANY=[@ANYBLOB="1400000007ffff0700"], 0x9) mkdir(&(0x7f0000000440)='./file0\x00', 0x0) mount$9p_fd(0x0, &(0x7f00000005c0)='./file0\x00', &(0x7f0000000600)='9p\x00', 0x0, &(0x7f0000000640)={'trans=fd,', {'rfdno', 0x3d, r0}, 0x2c, {'wfdno', 0x3d, r1}, 0x2c, {[{@version_9p2000='version=9p20#0', 0x2c}]}}) [ 1442.935187] BTRFS error (device loop1): superblock checksum mismatch [ 1442.948509] BTRFS error (device loop1): open_ctree failed [ 1442.954473] netlink: 104 bytes leftover after parsing attributes in process `syz-executor4'. [ 1442.974427] BTRFS error (device loop1): superblock checksum mismatch 03:39:01 executing program 2: r0 = socket$inet6(0xa, 0x1000000000002, 0x0) ioctl(r0, 0x8912, &(0x7f0000000280)="025cc83d6d345f8f762070") syz_mount_image$btrfs(&(0x7f0000000080)='btrfs\x00', &(0x7f0000000100)='./file0\x00', 0x0, 0x1, &(0x7f0000000200)=[{&(0x7f0000000500)="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", 0x116, 0x10000}], 0x0, &(0x7f0000000240)) 03:39:01 executing program 0 (fault-call:4 fault-nth:1): perf_event_open(&(0x7f0000000180)={0x2, 0x70, 0x3e5}, 0x0, 0x0, 0xffffffffffffffff, 0x0) r0 = socket$inet_udp(0x2, 0x2, 0x0) sendto$inet(r0, &(0x7f0000000000), 0x0, 0x400c000, &(0x7f000083b000)={0x2, 0x4e20}, 0x10) r1 = syz_open_procfs(0x0, &(0x7f0000000080)='net/udp\x00') sendfile(r0, r1, &(0x7f0000000000), 0xff) [ 1443.010455] BTRFS error (device loop1): open_ctree failed [ 1443.035121] 9pnet: Unknown protocol version 9p20#0 [ 1443.042397] netlink: 65362 bytes leftover after parsing attributes in process `syz-executor7'. [ 1443.051224] openvswitch: netlink: ufid size 94 bytes exceeds the range (1, 16) 03:39:01 executing program 4: r0 = socket$nl_xfrm(0x10, 0x3, 0x6) sendmsg$nl_xfrm(r0, &(0x7f0000000400)={&(0x7f0000000040)={0x10}, 0xc, &(0x7f00000001c0)={&(0x7f0000000080)=@updpolicy={0xb8, 0x14, 0x407, 0x0, 0x0, {{@in=@loopback=0x7f000001, @in6=@ipv4={[0x0, 0x0, 0x0, 0x3723000000000000], [0xff, 0xff], @dev={0xac, 0x14, 0x14}}, 0x0, 0x0, 0x0, 0x0, 0x2}}}, 0xb8}, 0x1}, 0x0) 03:39:01 executing program 1: r0 = socket$inet6(0xa, 0x1000000000002, 0x0) ioctl(r0, 0x8912, &(0x7f0000000280)="025cc83d6d345f8f762070") syz_mount_image$btrfs(&(0x7f0000000080)='btrfs\x00', &(0x7f0000000100)='./file0\x00', 0x0, 0x1, &(0x7f0000000200)=[{&(0x7f0000000500)="8da4363a00000000002000000000004d01000000000000000000000000000000ecf6f2a2299748aeb81e1b00920efd9a000001000000000001000000000000005f42485266535f4dd2f873574f257e0a01e2a6a02f5e071383fa5a669a53f2fe9eb4eb7918628af41b", 0x69, 0x10000}], 0x0, &(0x7f0000000240)) [ 1443.058608] openvswitch: netlink: Flow set message rejected, Key attribute missing. [ 1443.063280] 9pnet: Unknown protocol version 9p20#0 [ 1443.083199] BTRFS error (device loop2): unsupported checksum algorithm 3786 [ 1443.090417] BTRFS error (device loop2): superblock checksum mismatch 03:39:01 executing program 6: perf_event_open(&(0x7f0000000180)={0x2, 0x70, 0x3e5}, 0x0, 0x0, 0xffffffffffffffff, 0x0) ioctl$KVM_CREATE_VM(0xffffffffffffffff, 0xae01, 0x0) pipe2$9p(&(0x7f0000000000)={0xffffffffffffffff, 0xffffffffffffffff}, 0x0) write$P9_RLERRORu(r1, &(0x7f0000000080)=ANY=[@ANYBLOB="1400000007ffff0700"], 0x9) mkdir(&(0x7f0000000440)='./file0\x00', 0x0) mount$9p_fd(0x0, &(0x7f00000005c0)='./file0\x00', &(0x7f0000000600)='9p\x00', 0x0, &(0x7f0000000640)={'trans=fd,', {'rfdno', 0x3d, r0}, 0x2c, {'wfdno', 0x3d, r1}, 0x2c, {[{@version_9p2000='version=9p20%0', 0x2c}]}}) [ 1443.107783] BTRFS error (device loop2): open_ctree failed [ 1443.115200] netlink: 104 bytes leftover after parsing attributes in process `syz-executor4'. [ 1443.127302] netlink: 65362 bytes leftover after parsing attributes in process `syz-executor7'. [ 1443.136135] openvswitch: netlink: ufid size 94 bytes exceeds the range (1, 16) [ 1443.143558] openvswitch: netlink: Flow set message rejected, Key attribute missing. [ 1443.157660] FAULT_INJECTION: forcing a failure. [ 1443.157660] name fail_page_alloc, interval 1, probability 0, space 0, times 0 [ 1443.167434] 9pnet: Unknown protocol version 9p20%0 [ 1443.169473] CPU: 1 PID: 23509 Comm: syz-executor0 Not tainted 4.18.0-rc3-next-20180709+ #2 [ 1443.169486] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 1443.169492] Call Trace: [ 1443.169514] dump_stack+0x1c9/0x2b4 [ 1443.169531] ? dump_stack_print_info.cold.2+0x52/0x52 [ 1443.169555] ? perf_trace_lock+0xde/0x920 [ 1443.207692] should_fail.cold.4+0xa/0x11 [ 1443.211764] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 1443.216878] ? lock_acquire+0x1e4/0x540 [ 1443.220865] ? perf_trace_lock+0xde/0x920 [ 1443.225019] ? zap_class+0x740/0x740 [ 1443.228735] ? trace_hardirqs_on+0x10/0x10 [ 1443.232975] ? zap_class+0x740/0x740 [ 1443.236693] ? percpu_ref_tryget_live+0x15b/0x440 [ 1443.241551] ? mem_cgroup_id_get_many+0x160/0x160 [ 1443.246395] ? get_mem_cgroup_from_mm+0x1ea/0x440 [ 1443.251236] ? lock_downgrade+0x8f0/0x8f0 [ 1443.255384] ? lock_release+0xa30/0xa30 [ 1443.259358] ? mntput_no_expire+0x160/0xbc0 [ 1443.263683] ? lock_acquire+0x1e4/0x540 [ 1443.267654] ? rcu_read_unlock+0x16/0x70 [ 1443.271716] __alloc_pages_nodemask+0x36e/0xdb0 [ 1443.276385] ? lock_release+0xa30/0xa30 [ 1443.280364] ? __alloc_pages_slowpath+0x2d00/0x2d00 [ 1443.286252] ? zap_class+0x740/0x740 [ 1443.289966] ? perf_trace_lock+0xde/0x920 [ 1443.294118] ? rcu_read_unlock+0x35/0x70 [ 1443.298180] ? mem_cgroup_handle_over_high+0x130/0x130 [ 1443.303454] ? fs_reclaim_acquire+0x20/0x20 [ 1443.307776] ? lock_downgrade+0x8f0/0x8f0 [ 1443.311921] ? lock_release+0xa30/0xa30 [ 1443.315888] ? __fdget_pos+0x1bb/0x200 [ 1443.319772] ? check_same_owner+0x340/0x340 [ 1443.324090] cache_grow_begin+0x91/0x710 [ 1443.328155] kmem_cache_alloc_trace+0x6a5/0x780 [ 1443.332818] ? _parse_integer+0x190/0x190 [ 1443.336970] alloc_pipe_info+0x175/0x5a0 [ 1443.341027] ? pipe_read+0x940/0x940 [ 1443.344828] ? ksys_dup3+0x690/0x690 [ 1443.348540] ? perf_trace_lock+0xde/0x920 [ 1443.352684] ? perf_trace_lock+0xde/0x920 [ 1443.356834] ? zap_class+0x740/0x740 [ 1443.360605] splice_direct_to_actor+0x6fc/0x8f0 [ 1443.365271] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 1443.370822] ? pipe_to_sendpage+0x400/0x400 [ 1443.375154] ? do_splice_to+0x190/0x190 [ 1443.379124] ? security_file_permission+0x1c2/0x230 [ 1443.384136] ? rw_verify_area+0x118/0x360 [ 1443.388282] do_splice_direct+0x2d4/0x420 [ 1443.392432] ? splice_direct_to_actor+0x8f0/0x8f0 [ 1443.397273] ? rw_verify_area+0x118/0x360 [ 1443.401416] do_sendfile+0x62a/0xe20 [ 1443.405133] ? do_compat_pwritev64+0x1c0/0x1c0 [ 1443.409711] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 1443.415236] ? _copy_from_user+0xdf/0x150 [ 1443.419377] __x64_sys_sendfile64+0x15d/0x250 [ 1443.423859] ? __ia32_sys_sendfile+0x2a0/0x2a0 [ 1443.428428] do_syscall_64+0x1b9/0x820 [ 1443.432297] ? finish_task_switch+0x1d3/0x870 [ 1443.436774] ? syscall_return_slowpath+0x5e0/0x5e0 [ 1443.441685] ? syscall_return_slowpath+0x31d/0x5e0 [ 1443.446598] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 1443.451609] ? prepare_exit_to_usermode+0x291/0x3b0 [ 1443.456611] ? perf_trace_sys_enter+0xb10/0xb10 [ 1443.461265] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 1443.466097] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 1443.471267] RIP: 0033:0x455e29 [ 1443.474437] Code: 1d ba fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 0f 83 eb b9 fb ff c3 66 2e 0f 1f 84 00 00 00 00 [ 1443.493634] RSP: 002b:00007f77b34dfc68 EFLAGS: 00000246 ORIG_RAX: 0000000000000028 [ 1443.501327] RAX: ffffffffffffffda RBX: 00007f77b34e06d4 RCX: 0000000000455e29 [ 1443.508579] RDX: 0000000020000000 RSI: 0000000000000015 RDI: 0000000000000014 [ 1443.515831] RBP: 000000000072bea0 R08: 0000000000000000 R09: 0000000000000000 [ 1443.523089] R10: 00000000000000ff R11: 0000000000000246 R12: 0000000000000016 [ 1443.530339] R13: 00000000004c1113 R14: 00000000004d1540 R15: 0000000000000001 [ 1443.547689] print_req_error: I/O error, dev loop1, sector 128 [ 1443.555718] BTRFS error (device loop2): unsupported checksum algorithm 3786 [ 1443.562871] BTRFS error (device loop2): superblock checksum mismatch [ 1443.580881] BTRFS error (device loop2): open_ctree failed [ 1443.589292] BTRFS error (device loop1): superblock checksum mismatch [ 1443.609177] BTRFS error (device loop1): open_ctree failed 03:39:02 executing program 3: r0 = socket$inet(0x2, 0x4000000000000001, 0x0) setsockopt$inet_tcp_TCP_CONGESTION(r0, 0x6, 0xd, &(0x7f0000000140)='nv\x00', 0x3) sendto$inet(r0, &(0x7f0000a88f88), 0xfffffffffffffe6e, 0x20000000, &(0x7f0000e68000)={0x2, 0x0, @local={0xac, 0x14, 0x14, 0xaa}, [0x0, 0x700]}, 0x10) shutdown(r0, 0x0) 03:39:02 executing program 5: socketpair$inet6(0xa, 0xa, 0x13f1, &(0x7f0000000040)={0xffffffffffffffff}) mmap(&(0x7f0000012000/0x4000)=nil, 0x4000, 0x3000000, 0x4000000000032, r0, 0x0) r1 = userfaultfd(0x0) ioctl$UFFDIO_API(r1, 0xc018aa3f, &(0x7f0000000000)={0xaa}) r2 = socket$inet6(0xa, 0x1, 0x0) ioctl(r2, 0x4000008912, &(0x7f0000000100)="295ee1311f16f477671070") ioctl$UFFDIO_REGISTER(r1, 0xc020aa00, &(0x7f0000004fe0)={{&(0x7f0000011000/0x3000)=nil, 0x3000}, 0x1}) r3 = socket(0xa, 0x1, 0x0) getsockopt$inet6_int(r3, 0x29, 0x3d, &(0x7f0000000100), &(0x7f0000013000)=0x4) close(r3) close(r1) 03:39:02 executing program 6: perf_event_open(&(0x7f0000000180)={0x2, 0x70, 0x3e5}, 0x0, 0x0, 0xffffffffffffffff, 0x0) ioctl$KVM_CREATE_VM(0xffffffffffffffff, 0xae01, 0x0) pipe2$9p(&(0x7f0000000000)={0xffffffffffffffff, 0xffffffffffffffff}, 0x0) write$P9_RLERRORu(r1, &(0x7f0000000080)=ANY=[@ANYBLOB="1400000007ffff0700"], 0x9) mkdir(&(0x7f0000000440)='./file0\x00', 0x0) mount$9p_fd(0x0, &(0x7f00000005c0)='./file0\x00', &(0x7f0000000600)='9p\x00', 0x0, &(0x7f0000000640)={'trans=fd,', {'rfdno', 0x3d, r0}, 0x2c, {'wfdno', 0x3d, r1}, 0x2c, {[{@version_9p2000='version=9p20-0', 0x2c}]}}) 03:39:02 executing program 7: sendmsg$IPVS_CMD_FLUSH(0xffffffffffffffff, &(0x7f0000000340)={&(0x7f0000000100)={0x10}, 0xc, &(0x7f00000002c0)={&(0x7f00000001c0)=ANY=[@ANYBLOB='P\x00\x00\x00', @ANYBLOB="00000000000000000000110000002800030014000200697064647030000000000000000000000800040000000000080001000000000014000100080009000000000008005f50e2470000"], 0x2}, 0x1}, 0x0) r0 = socket$nl_generic(0x10, 0x3, 0x10) sendmsg$nl_generic(r0, &(0x7f00003cefe4)={&(0x7f0000000300)={0x10, 0x36200}, 0xc, &(0x7f0000007ff0)={&(0x7f0000000180)={0xffce, 0x2e, 0x6fd, 0x0, 0x0, {0x2004}, [@nested={0xc, 0x0, [@typed={0x62, 0x9, @ipv4}]}]}, 0xffce}, 0x1, 0x6000000}, 0x0) 03:39:02 executing program 4: r0 = socket$nl_xfrm(0x10, 0x3, 0x6) sendmsg$nl_xfrm(r0, &(0x7f0000000400)={&(0x7f0000000040)={0x10}, 0xc, &(0x7f00000001c0)={&(0x7f0000000080)=@updpolicy={0xb8, 0x14, 0x407, 0x0, 0x0, {{@in=@loopback=0x7f000001, @in6=@ipv4={[0x0, 0x0, 0x0, 0x1000000], [0xff, 0xff], @dev={0xac, 0x14, 0x14}}, 0x0, 0x0, 0x0, 0x0, 0x2}}}, 0xb8}, 0x1}, 0x0) 03:39:02 executing program 0 (fault-call:4 fault-nth:2): perf_event_open(&(0x7f0000000180)={0x2, 0x70, 0x3e5}, 0x0, 0x0, 0xffffffffffffffff, 0x0) r0 = socket$inet_udp(0x2, 0x2, 0x0) sendto$inet(r0, &(0x7f0000000000), 0x0, 0x400c000, &(0x7f000083b000)={0x2, 0x4e20}, 0x10) r1 = syz_open_procfs(0x0, &(0x7f0000000080)='net/udp\x00') sendfile(r0, r1, &(0x7f0000000000), 0xff) 03:39:02 executing program 2: r0 = socket$inet6(0xa, 0x1000000000002, 0x0) ioctl(r0, 0x8912, &(0x7f0000000280)="025cc83d6d345f8f762070") syz_mount_image$btrfs(&(0x7f0000000080)='btrfs\x00', &(0x7f0000000100)='./file0\x00', 0x0, 0x1, &(0x7f0000000200)=[{&(0x7f0000000500)="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", 0x116, 0x10000}], 0x0, &(0x7f0000000240)) 03:39:02 executing program 1: r0 = socket$inet6(0xa, 0x1000000000002, 0x0) ioctl(r0, 0x8912, &(0x7f0000000280)="025cc83d6d345f8f762070") syz_mount_image$btrfs(&(0x7f0000000080)='btrfs\x00', &(0x7f0000000100)='./file0\x00', 0x0, 0x1, &(0x7f0000000200)=[{&(0x7f0000000500)="8da4363a00000000221501000000004d01000000000000000000000000000000ecf6f2a2299748aeb81e1b00920efd9a000001000000000001000000000000005f42485266535f4dd2f873574f257e0a01e2a6a02f5e071383fa5a669a53f2fe9eb4eb7918628af41b", 0x69, 0x10000}], 0x0, &(0x7f0000000240)) [ 1443.771609] netlink: 104 bytes leftover after parsing attributes in process `syz-executor4'. [ 1443.786065] FAULT_INJECTION: forcing a failure. [ 1443.786065] name failslab, interval 1, probability 0, space 0, times 0 [ 1443.797377] CPU: 1 PID: 23535 Comm: syz-executor0 Not tainted 4.18.0-rc3-next-20180709+ #2 [ 1443.802246] 9pnet: Unknown protocol version 9p20-0 [ 1443.805773] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 1443.805779] Call Trace: [ 1443.805807] dump_stack+0x1c9/0x2b4 [ 1443.805824] ? dump_stack_print_info.cold.2+0x52/0x52 [ 1443.805845] should_fail.cold.4+0xa/0x11 [ 1443.835513] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 1443.840619] ? zap_class+0x740/0x740 [ 1443.844336] ? do_raw_spin_trylock+0x1c0/0x1c0 [ 1443.848931] ? trace_hardirqs_on+0xd/0x10 [ 1443.853079] ? __wake_up_common_lock+0x1d0/0x330 [ 1443.857832] ? __wake_up_common+0x740/0x740 [ 1443.862163] ? lock_acquire+0x1e4/0x540 [ 1443.866133] ? fs_reclaim_acquire+0x20/0x20 [ 1443.870457] ? lock_downgrade+0x8f0/0x8f0 [ 1443.874608] ? trace_hardirqs_on+0x10/0x10 [ 1443.878853] ? zap_class+0x740/0x740 [ 1443.882577] ? check_same_owner+0x340/0x340 [ 1443.886905] ? trace_hardirqs_on+0x10/0x10 [ 1443.891148] ? rcu_note_context_switch+0x730/0x730 [ 1443.896081] __should_failslab+0x124/0x180 [ 1443.900321] should_failslab+0x9/0x14 [ 1443.904120] kmem_cache_alloc_node_trace+0x26f/0x770 [ 1443.909228] __kmalloc_node+0x33/0x70 [ 1443.913034] kvmalloc_node+0x65/0xf0 [ 1443.916749] iov_iter_get_pages_alloc+0x7da/0x1530 [ 1443.921682] ? lock_release+0xa30/0xa30 [ 1443.925659] ? iov_iter_fault_in_readable+0x460/0x460 [ 1443.930849] ? rcu_cleanup_dead_rnp+0x200/0x200 [ 1443.935521] ? is_bpf_text_address+0xd7/0x170 [ 1443.940021] ? kernel_text_address+0x79/0xf0 [ 1443.944427] ? __kernel_text_address+0xd/0x40 [ 1443.948911] ? unwind_get_return_address+0x61/0xa0 [ 1443.953829] ? __save_stack_trace+0x8d/0xf0 [ 1443.958143] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 1443.963142] ? iov_iter_pipe+0xc2/0x2f0 [ 1443.967101] default_file_splice_read+0x1da/0xb10 [ 1443.971928] ? splice_direct_to_actor+0x6fc/0x8f0 [ 1443.976754] ? do_splice_direct+0x2d4/0x420 [ 1443.981062] ? do_sendfile+0x62a/0xe20 [ 1443.984933] ? __x64_sys_sendfile64+0x15d/0x250 [ 1443.989584] ? percpu_ref_put_many+0x119/0x240 [ 1443.994151] ? iter_file_splice_write+0x1010/0x1010 [ 1443.999154] ? lock_release+0xa30/0xa30 [ 1444.003112] ? memcg_kmem_get_cache+0x3a9/0x9d0 [ 1444.007763] ? mem_cgroup_handle_over_high+0x130/0x130 [ 1444.013024] ? fs_reclaim_acquire+0x20/0x20 [ 1444.017335] ? lock_downgrade+0x8f0/0x8f0 [ 1444.021465] ? __lockdep_init_map+0x105/0x590 [ 1444.025946] ? __mutex_init+0x1f7/0x290 [ 1444.029902] ? mem_cgroup_id_get_online+0x310/0x310 [ 1444.034903] ? __ia32_sys_membarrier+0x150/0x150 [ 1444.039664] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 1444.045198] ? fsnotify+0xbac/0x14e0 [ 1444.048900] ? fsnotify_first_mark+0x350/0x350 [ 1444.053473] ? alloc_pipe_info+0x2a8/0x5a0 [ 1444.057689] ? fsnotify+0x14e0/0x14e0 [ 1444.061486] ? security_file_permission+0x1c2/0x230 [ 1444.066488] ? iter_file_splice_write+0x1010/0x1010 [ 1444.071488] do_splice_to+0x12e/0x190 [ 1444.075275] splice_direct_to_actor+0x270/0x8f0 [ 1444.079925] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 1444.085447] ? pipe_to_sendpage+0x400/0x400 [ 1444.089753] ? do_splice_to+0x190/0x190 [ 1444.093713] ? security_file_permission+0x1c2/0x230 [ 1444.098711] ? rw_verify_area+0x118/0x360 [ 1444.102850] do_splice_direct+0x2d4/0x420 [ 1444.106982] ? splice_direct_to_actor+0x8f0/0x8f0 [ 1444.111810] ? rw_verify_area+0x118/0x360 [ 1444.115941] do_sendfile+0x62a/0xe20 [ 1444.119641] ? do_compat_pwritev64+0x1c0/0x1c0 [ 1444.124209] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 1444.129728] ? _copy_from_user+0xdf/0x150 [ 1444.133860] __x64_sys_sendfile64+0x15d/0x250 [ 1444.138337] ? __ia32_sys_sendfile+0x2a0/0x2a0 [ 1444.142905] do_syscall_64+0x1b9/0x820 [ 1444.146780] ? finish_task_switch+0x1d3/0x870 [ 1444.151260] ? syscall_return_slowpath+0x5e0/0x5e0 [ 1444.156171] ? syscall_return_slowpath+0x31d/0x5e0 [ 1444.161085] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 1444.166083] ? prepare_exit_to_usermode+0x291/0x3b0 [ 1444.171081] ? perf_trace_sys_enter+0xb10/0xb10 [ 1444.175733] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 1444.180564] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 1444.185734] RIP: 0033:0x455e29 [ 1444.188911] Code: 1d ba fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 0f 83 eb b9 fb ff c3 66 2e 0f 1f 84 00 00 00 00 [ 1444.208111] RSP: 002b:00007f77b34dfc68 EFLAGS: 00000246 ORIG_RAX: 0000000000000028 [ 1444.215806] RAX: ffffffffffffffda RBX: 00007f77b34e06d4 RCX: 0000000000455e29 03:39:02 executing program 6: perf_event_open(&(0x7f0000000180)={0x2, 0x70, 0x3e5}, 0x0, 0x0, 0xffffffffffffffff, 0x0) ioctl$KVM_CREATE_VM(0xffffffffffffffff, 0xae01, 0x0) pipe2$9p(&(0x7f0000000000)={0xffffffffffffffff, 0xffffffffffffffff}, 0x0) write$P9_RLERRORu(r1, &(0x7f0000000080)=ANY=[@ANYBLOB="1400000007ffff0700"], 0x9) mkdir(&(0x7f0000000440)='./file0\x00', 0x0) mount$9p_fd(0x0, &(0x7f00000005c0)='./file0\x00', &(0x7f0000000600)='9p\x00', 0x0, &(0x7f0000000640)={'trans=fd,', {'rfdno', 0x3d, r0}, 0x2c, {'wfdno', 0x3d, r1}, 0x2c, {[{@version_9p2000='version=9p20\n0', 0x2c}]}}) 03:39:02 executing program 4: r0 = socket$nl_xfrm(0x10, 0x3, 0x6) sendmsg$nl_xfrm(r0, &(0x7f0000000400)={&(0x7f0000000040)={0x10}, 0xc, &(0x7f00000001c0)={&(0x7f0000000080)=@updpolicy={0xb8, 0x14, 0x407, 0x0, 0x0, {{@in=@loopback=0x7f000001, @in6=@ipv4={[0x0, 0x0, 0x0, 0xfffffff0], [0xff, 0xff], @dev={0xac, 0x14, 0x14}}, 0x0, 0x0, 0x0, 0x0, 0x2}}}, 0xb8}, 0x1}, 0x0) [ 1444.223066] RDX: 0000000020000000 RSI: 0000000000000015 RDI: 0000000000000014 [ 1444.230317] RBP: 000000000072bea0 R08: 0000000000000000 R09: 0000000000000000 [ 1444.237569] R10: 00000000000000ff R11: 0000000000000246 R12: 0000000000000016 [ 1444.244822] R13: 00000000004c1113 R14: 00000000004d1540 R15: 0000000000000002 [ 1444.253849] netlink: 65362 bytes leftover after parsing attributes in process `syz-executor7'. [ 1444.262671] openvswitch: netlink: ufid size 94 bytes exceeds the range (1, 16) 03:39:02 executing program 5: fcntl$getownex(0xffffffffffffff9c, 0x10, &(0x7f0000000080)={0x0, 0x0}) sched_getattr(r0, &(0x7f0000000180), 0x30, 0x0) r1 = syz_open_dev$mice(&(0x7f00000001c0)='/dev/input/mice\x00', 0x0, 0x240000) ioctl$LOOP_CLR_FD(r1, 0x4c01) r2 = gettid() timer_create(0x0, &(0x7f0000044000)={0x0, 0x12}, &(0x7f0000044000)) io_setup(0x80, &(0x7f0000000140)=0x0) bpf$MAP_CREATE(0x0, &(0x7f0000000280)={0x1f, 0x8, 0x8000, 0x0, 0x1e, r1, 0x80000001}, 0x2c) io_pgetevents(r3, 0x1, 0x1, &(0x7f00000000c0)=[{}], &(0x7f0000000100)={0x77359400}, 0x0) r4 = socket$inet6(0xa, 0x1, 0x0) ioctl(r4, 0x4000008912, &(0x7f0000000100)="295ee1311f16f477671070") timer_settime(0x0, 0x0, &(0x7f000006b000)={{0x0, 0x8}, {0x0, 0x9}}, &(0x7f0000040000)) getsockopt$inet_sctp_SCTP_NODELAY(r1, 0x84, 0x3, &(0x7f0000000200), &(0x7f0000000240)=0x4) mmap(&(0x7f0000000000/0xfff000)=nil, 0xfff000, 0xfffffffffffffffe, 0x100000000000031, 0xffffffffffffffff, 0x0) tkill(r2, 0x16) r5 = syz_open_dev$sndpcmp(&(0x7f0000000000)='/dev/snd/pcmC#D#p\x00', 0x657, 0x0) setsockopt$bt_BT_SNDMTU(r5, 0x112, 0xc, &(0x7f0000000040)=0x8, 0x2) ioctl$SCSI_IOCTL_STOP_UNIT(r5, 0x6) 03:39:03 executing program 6: perf_event_open(&(0x7f0000000180)={0x2, 0x70, 0x3e5}, 0x0, 0x0, 0xffffffffffffffff, 0x0) ioctl$KVM_CREATE_VM(0xffffffffffffffff, 0xae01, 0x0) pipe2$9p(&(0x7f0000000000)={0xffffffffffffffff, 0xffffffffffffffff}, 0x0) write$P9_RLERRORu(r1, &(0x7f0000000080)=ANY=[@ANYBLOB="1400000007ffff0700"], 0x9) mkdir(&(0x7f0000000440)='./file0\x00', 0x0) mount$9p_fd(0x0, &(0x7f00000005c0)='./file0\x00', &(0x7f0000000600)='9p\x00', 0x0, &(0x7f0000000640)={'trans=fd,', {'rfdno', 0x3d, r0}, 0x2c, {'wfdno', 0x3d, r1}, 0x2c, {[{@version_9p2000='version=9p20+0', 0x2c}]}}) 03:39:03 executing program 4: r0 = socket$nl_xfrm(0x10, 0x3, 0x6) sendmsg$nl_xfrm(r0, &(0x7f0000000400)={&(0x7f0000000040)={0x10}, 0xc, &(0x7f00000001c0)={&(0x7f0000000080)=@updpolicy={0xb8, 0x14, 0x407, 0x0, 0x0, {{@in=@loopback=0x7f000001, @in6=@ipv4={[0x0, 0x0, 0x0, 0x3], [0xff, 0xff], @dev={0xac, 0x14, 0x14}}, 0x0, 0x0, 0x0, 0x0, 0x2}}}, 0xb8}, 0x1}, 0x0) [ 1444.270099] openvswitch: netlink: Flow set message rejected, Key attribute missing. [ 1444.273701] 9pnet: Unknown protocol version 9p20 [ 1444.273701] 0 [ 1444.289799] netlink: 104 bytes leftover after parsing attributes in process `syz-executor4'. [ 1444.306952] BTRFS error (device loop2): unsupported checksum algorithm 3786 [ 1444.314147] BTRFS error (device loop2): superblock checksum mismatch 03:39:03 executing program 7: sendmsg$IPVS_CMD_FLUSH(0xffffffffffffffff, &(0x7f0000000340)={&(0x7f0000000100)={0x10}, 0xc, &(0x7f00000002c0)={&(0x7f00000001c0)=ANY=[@ANYBLOB='P\x00\x00\x00', @ANYBLOB="00000000000000000000110000002800030014000200697064647030000000000000000000000800040000000000080001000000000014000100080009000000000008005f50e2470000"], 0x2}, 0x1}, 0x0) r0 = socket$nl_generic(0x10, 0x3, 0x10) sendmsg$nl_generic(r0, &(0x7f00003cefe4)={&(0x7f0000000300)={0x10, 0x36200}, 0xc, &(0x7f0000007ff0)={&(0x7f0000000180)={0xffce, 0x2e, 0x6fd, 0x0, 0x0, {0x2004}, [@nested={0xc, 0x0, [@typed={0x62, 0x9, @ipv4}]}]}, 0xffce}, 0x1, 0xfffffff0}, 0x0) 03:39:03 executing program 0 (fault-call:4 fault-nth:3): perf_event_open(&(0x7f0000000180)={0x2, 0x70, 0x3e5}, 0x0, 0x0, 0xffffffffffffffff, 0x0) r0 = socket$inet_udp(0x2, 0x2, 0x0) sendto$inet(r0, &(0x7f0000000000), 0x0, 0x400c000, &(0x7f000083b000)={0x2, 0x4e20}, 0x10) r1 = syz_open_procfs(0x0, &(0x7f0000000080)='net/udp\x00') sendfile(r0, r1, &(0x7f0000000000), 0xff) 03:39:03 executing program 4: r0 = socket$nl_xfrm(0x10, 0x3, 0x6) sendmsg$nl_xfrm(r0, &(0x7f0000000400)={&(0x7f0000000040)={0x10}, 0xc, &(0x7f00000001c0)={&(0x7f0000000080)=@updpolicy={0xb8, 0x14, 0x407, 0x0, 0x0, {{@in=@loopback=0x7f000001, @in6=@ipv4={[0x0, 0x0, 0x0, 0xffffff7f00000000], [0xff, 0xff], @dev={0xac, 0x14, 0x14}}, 0x0, 0x0, 0x0, 0x0, 0x2}}}, 0xb8}, 0x1}, 0x0) [ 1444.343815] 9pnet: Unknown protocol version 9p20+0 [ 1444.358735] BTRFS error (device loop2): open_ctree failed [ 1444.365220] 9pnet: Unknown protocol version 9p20+0 [ 1444.378851] BTRFS error (device loop2): unsupported checksum algorithm 3786 [ 1444.385992] BTRFS error (device loop2): superblock checksum mismatch [ 1444.416857] BTRFS error (device loop2): open_ctree failed [ 1444.424772] BTRFS error (device loop2): unsupported checksum algorithm 3786 [ 1444.431926] BTRFS error (device loop2): superblock checksum mismatch [ 1444.452549] FAULT_INJECTION: forcing a failure. [ 1444.452549] name fail_page_alloc, interval 1, probability 0, space 0, times 0 [ 1444.464582] CPU: 0 PID: 23561 Comm: syz-executor0 Not tainted 4.18.0-rc3-next-20180709+ #2 [ 1444.472987] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 1444.482337] Call Trace: [ 1444.484934] dump_stack+0x1c9/0x2b4 [ 1444.488572] ? dump_stack_print_info.cold.2+0x52/0x52 [ 1444.493783] should_fail.cold.4+0xa/0x11 [ 1444.497852] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 1444.502958] ? is_bpf_text_address+0xae/0x170 [ 1444.507460] ? lock_downgrade+0x8f0/0x8f0 [ 1444.511615] ? lock_release+0xa30/0xa30 [ 1444.515601] ? kasan_check_read+0x11/0x20 [ 1444.519750] ? rcu_is_watching+0x8c/0x150 [ 1444.523928] ? rcu_cleanup_dead_rnp+0x200/0x200 [ 1444.528620] ? lock_acquire+0x1e4/0x540 [ 1444.532598] ? fs_reclaim_acquire+0x20/0x20 [ 1444.536926] ? lock_downgrade+0x8f0/0x8f0 [ 1444.541090] ? check_same_owner+0x340/0x340 [ 1444.545418] ? rcu_note_context_switch+0x730/0x730 [ 1444.550366] __alloc_pages_nodemask+0x36e/0xdb0 [ 1444.555040] ? default_file_splice_read+0x1da/0xb10 [ 1444.560060] ? do_splice_to+0x12e/0x190 [ 1444.564039] ? splice_direct_to_actor+0x270/0x8f0 [ 1444.568887] ? __alloc_pages_slowpath+0x2d00/0x2d00 [ 1444.573907] ? fs_reclaim_acquire+0x20/0x20 [ 1444.578238] ? lock_downgrade+0x8f0/0x8f0 [ 1444.582395] ? lock_release+0xa30/0xa30 [ 1444.586373] ? zap_class+0x740/0x740 [ 1444.590107] ? kasan_unpoison_shadow+0x35/0x50 [ 1444.594694] ? kasan_kmalloc+0xc4/0xe0 [ 1444.598594] ? __sanitizer_cov_trace_const_cmp2+0x18/0x20 [ 1444.604138] alloc_pages_current+0x10c/0x210 [ 1444.608557] push_pipe+0x400/0x7a0 [ 1444.612096] ? __kmalloc_node+0x47/0x70 [ 1444.616084] iov_iter_get_pages_alloc+0x866/0x1530 [ 1444.621020] ? lock_release+0xa30/0xa30 [ 1444.625009] ? iov_iter_fault_in_readable+0x460/0x460 [ 1444.630212] ? is_bpf_text_address+0xd7/0x170 [ 1444.634717] ? kernel_text_address+0x79/0xf0 [ 1444.639130] ? __kernel_text_address+0xd/0x40 [ 1444.643628] ? unwind_get_return_address+0x61/0xa0 [ 1444.648561] ? __save_stack_trace+0x8d/0xf0 [ 1444.652909] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 1444.657926] ? iov_iter_pipe+0xc2/0x2f0 [ 1444.661910] default_file_splice_read+0x1da/0xb10 [ 1444.666756] ? splice_direct_to_actor+0x6fc/0x8f0 [ 1444.671598] ? do_splice_direct+0x2d4/0x420 [ 1444.675918] ? do_sendfile+0x62a/0xe20 [ 1444.679807] ? __x64_sys_sendfile64+0x15d/0x250 [ 1444.684485] ? percpu_ref_put_many+0x119/0x240 [ 1444.689070] ? iter_file_splice_write+0x1010/0x1010 [ 1444.694091] ? lock_release+0xa30/0xa30 [ 1444.698068] ? memcg_kmem_get_cache+0x3a9/0x9d0 [ 1444.702744] ? mem_cgroup_handle_over_high+0x130/0x130 [ 1444.708024] ? fs_reclaim_acquire+0x20/0x20 [ 1444.712350] ? lock_downgrade+0x8f0/0x8f0 [ 1444.716502] ? lock_downgrade+0x8f0/0x8f0 [ 1444.720652] ? __lockdep_init_map+0x105/0x590 [ 1444.725160] ? __mutex_init+0x1f7/0x290 [ 1444.729132] ? mem_cgroup_id_get_online+0x310/0x310 [ 1444.734152] ? __ia32_sys_membarrier+0x150/0x150 [ 1444.738911] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 1444.744447] ? fsnotify+0xbac/0x14e0 [ 1444.748177] ? fsnotify_first_mark+0x350/0x350 [ 1444.752762] ? alloc_pipe_info+0x2a8/0x5a0 [ 1444.757000] ? fsnotify+0x14e0/0x14e0 [ 1444.760824] ? security_file_permission+0x1c2/0x230 [ 1444.765852] ? iter_file_splice_write+0x1010/0x1010 [ 1444.770875] do_splice_to+0x12e/0x190 [ 1444.774686] splice_direct_to_actor+0x270/0x8f0 [ 1444.779360] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 1444.784902] ? pipe_to_sendpage+0x400/0x400 [ 1444.789237] ? do_splice_to+0x190/0x190 [ 1444.793221] ? security_file_permission+0x1c2/0x230 [ 1444.798248] ? rw_verify_area+0x118/0x360 [ 1444.802407] do_splice_direct+0x2d4/0x420 [ 1444.806565] ? splice_direct_to_actor+0x8f0/0x8f0 [ 1444.811418] ? rw_verify_area+0x118/0x360 [ 1444.815573] do_sendfile+0x62a/0xe20 [ 1444.819304] ? do_compat_pwritev64+0x1c0/0x1c0 [ 1444.823906] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 1444.829444] ? _copy_from_user+0xdf/0x150 [ 1444.833598] __x64_sys_sendfile64+0x15d/0x250 [ 1444.838099] ? __ia32_sys_sendfile+0x2a0/0x2a0 [ 1444.842703] do_syscall_64+0x1b9/0x820 [ 1444.846589] ? finish_task_switch+0x1d3/0x870 [ 1444.851087] ? syscall_return_slowpath+0x5e0/0x5e0 [ 1444.856021] ? syscall_return_slowpath+0x31d/0x5e0 [ 1444.860954] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 1444.865978] ? prepare_exit_to_usermode+0x291/0x3b0 [ 1444.870997] ? perf_trace_sys_enter+0xb10/0xb10 [ 1444.875669] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 1444.880527] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 1444.885716] RIP: 0033:0x455e29 [ 1444.888898] Code: 1d ba fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 0f 83 eb b9 fb ff c3 66 2e 0f 1f 84 00 00 00 00 [ 1444.908467] RSP: 002b:00007f77b34dfc68 EFLAGS: 00000246 ORIG_RAX: 0000000000000028 [ 1444.916184] RAX: ffffffffffffffda RBX: 00007f77b34e06d4 RCX: 0000000000455e29 [ 1444.923458] RDX: 0000000020000000 RSI: 0000000000000015 RDI: 0000000000000014 [ 1444.930724] RBP: 000000000072bea0 R08: 0000000000000000 R09: 0000000000000000 [ 1444.937992] R10: 00000000000000ff R11: 0000000000000246 R12: 0000000000000016 [ 1444.945261] R13: 00000000004c1113 R14: 00000000004d1540 R15: 0000000000000003 [ 1444.954455] BTRFS error (device loop2): open_ctree failed 03:39:03 executing program 3: r0 = socket$inet(0x2, 0x4000000000000001, 0x0) setsockopt$inet_tcp_TCP_CONGESTION(r0, 0x6, 0xd, &(0x7f0000000140)='nv\x00', 0x3) sendto$inet(r0, &(0x7f0000a88f88), 0xfffffffffffffe6e, 0x20000000, &(0x7f0000e68000)={0x2, 0x0, @local={0xac, 0x14, 0x14, 0xaa}, [0x0, 0x2000]}, 0x10) shutdown(r0, 0x0) 03:39:03 executing program 6: perf_event_open(&(0x7f0000000180)={0x2, 0x70, 0x3e5}, 0x0, 0x0, 0xffffffffffffffff, 0x0) ioctl$KVM_CREATE_VM(0xffffffffffffffff, 0xae01, 0x0) pipe2$9p(&(0x7f0000000000)={0xffffffffffffffff, 0xffffffffffffffff}, 0x0) write$P9_RLERRORu(r1, &(0x7f0000000080)=ANY=[@ANYBLOB="1400000007ffff0700"], 0x9) mkdir(&(0x7f0000000440)='./file0\x00', 0x0) mount$9p_fd(0x0, &(0x7f00000005c0)='./file0\x00', &(0x7f0000000600)='9p\x00', 0x0, &(0x7f0000000640)={'trans=fd,', {'rfdno', 0x3d, r0}, 0x2c, {'wfdno', 0x3d, r1}, 0x2c, {[{@version_9p2000='version=9p200+', 0x2c}]}}) 03:39:03 executing program 7: sendmsg$IPVS_CMD_FLUSH(0xffffffffffffffff, &(0x7f0000000340)={&(0x7f0000000100)={0x10}, 0xc, &(0x7f00000002c0)={&(0x7f00000001c0)=ANY=[@ANYBLOB='P\x00\x00\x00', @ANYBLOB="00000000000000000000110000002800030014000200697064647030000000000000000000000800040000000000080001000000000014000100080009000000000008005f50e2470000"], 0x2}, 0x1}, 0x0) r0 = socket$nl_generic(0x10, 0x3, 0x10) sendmsg$nl_generic(r0, &(0x7f00003cefe4)={&(0x7f0000000300)={0x10, 0x36200}, 0xc, &(0x7f0000007ff0)={&(0x7f0000000180)={0xffce, 0x2e, 0x6fd, 0x0, 0x0, {0x2004}, [@nested={0xc, 0x0, [@typed={0x62, 0x9, @ipv4}]}]}, 0xffce}, 0x1, 0x68}, 0x0) 03:39:03 executing program 4: r0 = socket$nl_xfrm(0x10, 0x3, 0x6) sendmsg$nl_xfrm(r0, &(0x7f0000000400)={&(0x7f0000000040)={0x10}, 0xc, &(0x7f00000001c0)={&(0x7f0000000080)=@updpolicy={0xb8, 0x14, 0x407, 0x0, 0x0, {{@in=@loopback=0x7f000001, @in6=@ipv4={[0x0, 0x0, 0x0, 0x2000000000000000], [0xff, 0xff], @dev={0xac, 0x14, 0x14}}, 0x0, 0x0, 0x0, 0x0, 0x2}}}, 0xb8}, 0x1}, 0x0) 03:39:03 executing program 2: r0 = socket$inet6(0xa, 0x1000000000002, 0x0) ioctl(r0, 0x8912, &(0x7f0000000280)="025cc83d6d345f8f762070") syz_mount_image$btrfs(&(0x7f0000000080)='btrfs\x00', &(0x7f0000000100)='./file0\x00', 0x0, 0x1, &(0x7f0000000200)=[{&(0x7f0000000500)="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", 0x116, 0x10000}], 0x0, &(0x7f0000000240)) 03:39:03 executing program 0 (fault-call:4 fault-nth:4): perf_event_open(&(0x7f0000000180)={0x2, 0x70, 0x3e5}, 0x0, 0x0, 0xffffffffffffffff, 0x0) r0 = socket$inet_udp(0x2, 0x2, 0x0) sendto$inet(r0, &(0x7f0000000000), 0x0, 0x400c000, &(0x7f000083b000)={0x2, 0x4e20}, 0x10) r1 = syz_open_procfs(0x0, &(0x7f0000000080)='net/udp\x00') sendfile(r0, r1, &(0x7f0000000000), 0xff) 03:39:03 executing program 1: r0 = socket$inet6(0xa, 0x1000000000002, 0x0) ioctl(r0, 0x8912, &(0x7f0000000280)="025cc83d6d345f8f762070") syz_mount_image$btrfs(&(0x7f0000000080)='btrfs\x00', &(0x7f0000000100)='./file0\x00', 0x0, 0x1, &(0x7f0000000200)=[{&(0x7f0000000500)="8da4363a00000000000000030000004d01000000000000000000000000000000ecf6f2a2299748aeb81e1b00920efd9a000001000000000001000000000000005f42485266535f4dd2f873574f257e0a01e2a6a02f5e071383fa5a669a53f2fe9eb4eb7918628af41b", 0x69, 0x10000}], 0x0, &(0x7f0000000240)) [ 1445.022067] 9pnet: Unknown protocol version 9p200+ [ 1445.029875] FAULT_INJECTION: forcing a failure. [ 1445.029875] name failslab, interval 1, probability 0, space 0, times 0 [ 1445.041139] CPU: 1 PID: 23578 Comm: syz-executor0 Not tainted 4.18.0-rc3-next-20180709+ #2 [ 1445.049544] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 1445.058888] Call Trace: [ 1445.061479] dump_stack+0x1c9/0x2b4 [ 1445.065113] ? dump_stack_print_info.cold.2+0x52/0x52 [ 1445.070303] ? perf_trace_lock+0xde/0x920 [ 1445.074456] should_fail.cold.4+0xa/0x11 [ 1445.078525] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 1445.083645] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 1445.089191] ? mutex_trylock+0x2b0/0x2b0 [ 1445.093256] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 1445.098370] ? lock_release+0xa30/0xa30 [ 1445.102352] ? kasan_check_read+0x11/0x20 [ 1445.106505] ? lock_acquire+0x1e4/0x540 [ 1445.110481] ? fs_reclaim_acquire+0x20/0x20 [ 1445.114804] ? lock_downgrade+0x8f0/0x8f0 [ 1445.118954] ? fs_reclaim_acquire+0x20/0x20 [ 1445.123277] ? check_same_owner+0x340/0x340 [ 1445.127600] ? rcu_note_context_switch+0x730/0x730 [ 1445.132533] __should_failslab+0x124/0x180 [ 1445.136774] should_failslab+0x9/0x14 [ 1445.140580] kmem_cache_alloc_node_trace+0x26f/0x770 [ 1445.145693] __kmalloc_node+0x33/0x70 [ 1445.149494] kvmalloc_node+0x65/0xf0 [ 1445.153907] seq_read+0x957/0x10e0 [ 1445.157453] ? fsnotify_first_mark+0x350/0x350 [ 1445.162043] ? seq_dentry+0x2c0/0x2c0 [ 1445.165847] proc_reg_read+0x2a3/0x3d0 [ 1445.169740] ? proc_reg_unlocked_ioctl+0x3c0/0x3c0 [ 1445.174676] ? security_file_permission+0x1c2/0x230 [ 1445.179695] ? rw_verify_area+0x118/0x360 [ 1445.183840] do_iter_read+0x49e/0x650 [ 1445.187646] vfs_readv+0x175/0x1c0 [ 1445.191197] ? compat_rw_copy_check_uvector+0x440/0x440 [ 1445.196573] ? __kernel_text_address+0xd/0x40 [ 1445.201074] ? __save_stack_trace+0x8d/0xf0 [ 1445.205407] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 1445.210427] default_file_splice_read+0x526/0xb10 [ 1445.215271] ? splice_direct_to_actor+0x6fc/0x8f0 [ 1445.220112] ? do_splice_direct+0x2d4/0x420 [ 1445.224428] ? do_sendfile+0x62a/0xe20 [ 1445.228313] ? __x64_sys_sendfile64+0x15d/0x250 [ 1445.232983] ? iter_file_splice_write+0x1010/0x1010 [ 1445.237993] ? lock_release+0xa30/0xa30 [ 1445.241954] ? memcg_kmem_get_cache+0x3a9/0x9d0 [ 1445.246610] ? mem_cgroup_handle_over_high+0x130/0x130 [ 1445.251871] ? fs_reclaim_acquire+0x20/0x20 [ 1445.256202] ? lock_downgrade+0x8f0/0x8f0 [ 1445.260335] ? __lockdep_init_map+0x105/0x590 [ 1445.264829] ? __mutex_init+0x1f7/0x290 [ 1445.268802] ? mem_cgroup_id_get_online+0x310/0x310 [ 1445.273802] ? __ia32_sys_membarrier+0x150/0x150 [ 1445.278545] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 1445.284556] ? fsnotify+0xbac/0x14e0 [ 1445.288260] ? _parse_integer+0x190/0x190 [ 1445.292391] ? fsnotify_first_mark+0x350/0x350 [ 1445.296955] ? alloc_pipe_info+0x2a8/0x5a0 [ 1445.301173] ? fsnotify+0x14e0/0x14e0 [ 1445.304964] ? security_file_permission+0x1c2/0x230 [ 1445.309965] ? iter_file_splice_write+0x1010/0x1010 [ 1445.314965] do_splice_to+0x12e/0x190 [ 1445.318759] splice_direct_to_actor+0x270/0x8f0 [ 1445.323415] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 1445.328936] ? pipe_to_sendpage+0x400/0x400 [ 1445.333245] ? do_splice_to+0x190/0x190 [ 1445.337202] ? security_file_permission+0x1c2/0x230 [ 1445.342204] ? rw_verify_area+0x118/0x360 [ 1445.346338] do_splice_direct+0x2d4/0x420 [ 1445.350473] ? splice_direct_to_actor+0x8f0/0x8f0 [ 1445.355300] ? rw_verify_area+0x118/0x360 [ 1445.359442] do_sendfile+0x62a/0xe20 [ 1445.363147] ? do_compat_pwritev64+0x1c0/0x1c0 [ 1445.367716] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 1445.373237] ? _copy_from_user+0xdf/0x150 [ 1445.377371] __x64_sys_sendfile64+0x15d/0x250 [ 1445.381852] ? __ia32_sys_sendfile+0x2a0/0x2a0 [ 1445.386424] do_syscall_64+0x1b9/0x820 [ 1445.390296] ? finish_task_switch+0x1d3/0x870 [ 1445.394776] ? syscall_return_slowpath+0x5e0/0x5e0 [ 1445.399688] ? syscall_return_slowpath+0x31d/0x5e0 [ 1445.404604] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 1445.409605] ? prepare_exit_to_usermode+0x291/0x3b0 [ 1445.414606] ? perf_trace_sys_enter+0xb10/0xb10 [ 1445.420059] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 1445.424890] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 1445.430073] RIP: 0033:0x455e29 [ 1445.433244] Code: 1d ba fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 0f 83 eb b9 fb ff c3 66 2e 0f 1f 84 00 00 00 00 [ 1445.452437] RSP: 002b:00007f77b34dfc68 EFLAGS: 00000246 ORIG_RAX: 0000000000000028 [ 1445.460129] RAX: ffffffffffffffda RBX: 00007f77b34e06d4 RCX: 0000000000455e29 03:39:04 executing program 4: r0 = socket$nl_xfrm(0x10, 0x3, 0x6) sendmsg$nl_xfrm(r0, &(0x7f0000000400)={&(0x7f0000000040)={0x10}, 0xc, &(0x7f00000001c0)={&(0x7f0000000080)=@updpolicy={0xb8, 0x14, 0x407, 0x0, 0x0, {{@in=@loopback=0x7f000001, @in6=@ipv4={[0x0, 0x0, 0x0, 0x37230000], [0xff, 0xff], @dev={0xac, 0x14, 0x14}}, 0x0, 0x0, 0x0, 0x0, 0x2}}}, 0xb8}, 0x1}, 0x0) 03:39:04 executing program 7: sendmsg$IPVS_CMD_FLUSH(0xffffffffffffffff, &(0x7f0000000340)={&(0x7f0000000100)={0x10}, 0xc, &(0x7f00000002c0)={&(0x7f00000001c0)=ANY=[@ANYBLOB='P\x00\x00\x00', @ANYBLOB="00000000000000000000110000002800030014000200697064647030000000000000000000000800040000000000080001000000000014000100080009000000000008005f50e2470000"], 0x2}, 0x1}, 0x0) r0 = socket$nl_generic(0x10, 0x3, 0x10) sendmsg$nl_generic(r0, &(0x7f00003cefe4)={&(0x7f0000000300)={0x10, 0x36200}, 0xc, &(0x7f0000007ff0)={&(0x7f0000000180)={0xffce, 0x2e, 0x6fd, 0x0, 0x0, {0x2004}, [@nested={0xc, 0x0, [@typed={0x62, 0x9, @ipv4}]}]}, 0xffce}, 0x1, 0x1000000000000000}, 0x0) 03:39:04 executing program 5: r0 = socket$inet6(0xa, 0x1000000000002, 0x0) ioctl(r0, 0x8912, &(0x7f0000000280)="025cc83d6d345f8f762070") r1 = openat$kvm(0xffffffffffffff9c, &(0x7f0000000000)='/dev/kvm\x00', 0x0, 0x0) r2 = ioctl$KVM_CREATE_VM(r1, 0xae01, 0x0) r3 = request_key(&(0x7f0000000040)='.request_key_auth\x00', &(0x7f0000000080)={0x73, 0x79, 0x7a, 0x1}, &(0x7f00000000c0)="2147504c2bb87070703100", 0xfffffffffffffffe) r4 = getuid() stat(&(0x7f0000000100)='./file0\x00', &(0x7f00000002c0)={0x0, 0x0, 0x0, 0x0, 0x0, 0x0}) openat$vga_arbiter(0xffffffffffffff9c, &(0x7f0000000340)='/dev/vga_arbiter\x00', 0x200000, 0x0) keyctl$chown(0x4, r3, r4, r5) r6 = ioctl$KVM_CREATE_VCPU(r2, 0xae41, 0x0) ioctl$KVM_SET_SREGS(r6, 0x4138ae84, &(0x7f0000000140)) ioctl$KVM_SET_SREGS(r6, 0x4138ae84, &(0x7f00000003c0)={{}, {}, {}, {}, {}, {}, {}, {}, {}, {}, 0x8005001f, 0x0, 0x0, 0x28, 0x0, 0x6500}) 03:39:04 executing program 6: perf_event_open(&(0x7f0000000180)={0x2, 0x70, 0x3e5}, 0x0, 0x0, 0xffffffffffffffff, 0x0) ioctl$KVM_CREATE_VM(0xffffffffffffffff, 0xae01, 0x0) pipe2$9p(&(0x7f0000000000)={0xffffffffffffffff, 0xffffffffffffffff}, 0x0) write$P9_RLERRORu(r1, &(0x7f0000000080)=ANY=[@ANYBLOB="1400000007ffff0700"], 0x9) mkdir(&(0x7f0000000440)='./file0\x00', 0x0) mount$9p_fd(0x0, &(0x7f00000005c0)='./file0\x00', &(0x7f0000000600)='9p\x00', 0x0, &(0x7f0000000640)={'trans=fd,', {'rfdno', 0x3d, r0}, 0x2c, {'wfdno', 0x3d, r1}, 0x2c, {[{@version_9p2000='version=9p200G', 0x2c}]}}) [ 1445.467381] RDX: 0000000020000000 RSI: 0000000000000015 RDI: 0000000000000014 [ 1445.474632] RBP: 000000000072bea0 R08: 0000000000000000 R09: 0000000000000000 [ 1445.481885] R10: 00000000000000ff R11: 0000000000000246 R12: 0000000000000016 [ 1445.489134] R13: 00000000004c1113 R14: 00000000004d1540 R15: 0000000000000004 [ 1445.502902] BTRFS error (device loop2): unsupported checksum algorithm 3786 [ 1445.510107] BTRFS error (device loop2): superblock checksum mismatch 03:39:04 executing program 4: r0 = socket$nl_xfrm(0x10, 0x3, 0x6) sendmsg$nl_xfrm(r0, &(0x7f0000000400)={&(0x7f0000000040)={0x10}, 0xc, &(0x7f00000001c0)={&(0x7f0000000080)=@updpolicy={0xb8, 0x14, 0x407, 0x0, 0x0, {{@in=@loopback=0x7f000001, @in6=@ipv4={[0x0, 0x0, 0x0, 0xf0], [0xff, 0xff], @dev={0xac, 0x14, 0x14}}, 0x0, 0x0, 0x0, 0x0, 0x2}}}, 0xb8}, 0x1}, 0x0) 03:39:04 executing program 7: sendmsg$IPVS_CMD_FLUSH(0xffffffffffffffff, &(0x7f0000000340)={&(0x7f0000000100)={0x10}, 0xc, &(0x7f00000002c0)={&(0x7f00000001c0)=ANY=[@ANYBLOB='P\x00\x00\x00', @ANYBLOB="00000000000000000000110000002800030014000200697064647030000000000000000000000800040000000000080001000000000014000100080009000000000008005f50e2470000"], 0x2}, 0x1}, 0x0) r0 = socket$nl_generic(0x10, 0x3, 0x10) sendmsg$nl_generic(r0, &(0x7f00003cefe4)={&(0x7f0000000300)={0x10, 0x36200}, 0xc, &(0x7f0000007ff0)={&(0x7f0000000180)={0xffce, 0x2e, 0x6fd, 0x0, 0x0, {0x2004}, [@nested={0xc, 0x0, [@typed={0x62, 0x9, @ipv4}]}]}, 0xffce}, 0x1, 0x6c000000}, 0x0) [ 1445.560488] BTRFS error (device loop2): open_ctree failed [ 1445.571240] BTRFS error (device loop2): unsupported checksum algorithm 3786 [ 1445.578429] BTRFS error (device loop2): superblock checksum mismatch [ 1445.589771] 9pnet: Unknown protocol version 9p200G 03:39:04 executing program 4: r0 = socket$nl_xfrm(0x10, 0x3, 0x6) sendmsg$nl_xfrm(r0, &(0x7f0000000400)={&(0x7f0000000040)={0x10}, 0xc, &(0x7f00000001c0)={&(0x7f0000000080)=@updpolicy={0xb8, 0x14, 0x407, 0x0, 0x0, {{@in=@loopback=0x7f000001, @in6=@ipv4={[0x0, 0x0, 0x0, 0x0, 0xfffff000], [0xff, 0xff], @dev={0xac, 0x14, 0x14}}, 0x0, 0x0, 0x0, 0x0, 0x2}}}, 0xb8}, 0x1}, 0x0) [ 1445.606812] BTRFS error (device loop2): open_ctree failed 03:39:04 executing program 5: r0 = socket$inet6(0xa, 0x1000000000002, 0x0) ioctl(r0, 0x8912, &(0x7f0000000280)="025cc83d6d345f8f762070") r1 = socket$inet_sctp(0x2, 0x800000000008001, 0x84) sendto$inet(r1, &(0x7f0000a34fff)='H', 0x1, 0x0, &(0x7f0000030ff0)={0x2, 0x0, @local={0xac, 0x14, 0xffffffffffffffff, 0xaa}}, 0x10) sendto$inet(r1, &(0x7f000026cfff)="c6", 0x1, 0x0, &(0x7f0000033ff0)={0x2, 0x0, @remote={0xac, 0x14, 0xffffffffffffffff, 0xbb}}, 0x10) shutdown(r1, 0x1) setsockopt$inet_sctp_SCTP_PEER_ADDR_PARAMS(0xffffffffffffffff, 0x84, 0x9, &(0x7f00000004c0)={0x0, @in={{0x2}}, 0x0, 0x0, 0x0, 0x0, 0x34}, 0x98) getsockopt$inet_sctp_SCTP_RECONFIG_SUPPORTED(r1, 0x84, 0x75, &(0x7f00000000c0)={0x0, 0x5}, &(0x7f0000000100)=0x8) getsockopt$inet_sctp_SCTP_GET_PEER_ADDRS(r1, 0x84, 0x6c, &(0x7f0000000140)={r2, 0x89, "b6876c4d54e6ae19f98cb06215ddabc18afb56d97d4f89478a20904761e5133018b67296a592cd054ce9a54b007d03d6f29d82abeb92fd63be79ffe4bd372affb0983c837999a717f3e141cc164c9692f982cd731fdfcb1bb1373db70a9a10bf436b52c5c163bb76cb6e5708fcfa7949519764d53e5e8bb53982fb4456093d630b452c1e7626996137"}, &(0x7f0000000200)=0x91) setsockopt$inet_sctp_SCTP_PEER_ADDR_PARAMS(r1, 0x84, 0x9, &(0x7f0000000000)={0x0, @in6={{0xa}}}, 0x9c) 03:39:04 executing program 6: perf_event_open(&(0x7f0000000180)={0x2, 0x70, 0x3e5}, 0x0, 0x0, 0xffffffffffffffff, 0x0) ioctl$KVM_CREATE_VM(0xffffffffffffffff, 0xae01, 0x0) pipe2$9p(&(0x7f0000000000)={0xffffffffffffffff, 0xffffffffffffffff}, 0x0) write$P9_RLERRORu(r1, &(0x7f0000000080)=ANY=[@ANYBLOB="1400000007ffff0700"], 0x9) mkdir(&(0x7f0000000440)='./file0\x00', 0x0) mount$9p_fd(0x0, &(0x7f00000005c0)='./file0\x00', &(0x7f0000000600)='9p\x00', 0x0, &(0x7f0000000640)={'trans=fd,', {'rfdno', 0x3d, r0}, 0x2c, {'wfdno', 0x3d, r1}, 0x2c, {[{@version_9p2000='version=9p200#', 0x2c}]}}) [ 1445.639389] BTRFS error (device loop1): superblock checksum mismatch [ 1445.679204] BTRFS error (device loop1): open_ctree failed [ 1445.696430] 9pnet: Unknown protocol version 9p200# [ 1445.723248] 9pnet: Unknown protocol version 9p200# 03:39:04 executing program 3: r0 = socket$inet(0x2, 0x4000000000000001, 0x0) setsockopt$inet_tcp_TCP_CONGESTION(r0, 0x6, 0xd, &(0x7f0000000140)='nv\x00', 0x3) sendto$inet(r0, &(0x7f0000a88f88), 0xfffffffffffffe6e, 0x20000000, &(0x7f0000e68000)={0x2, 0x0, @local={0xac, 0x14, 0x14, 0xaa}, [0x0, 0x91ffffff00000000]}, 0x10) shutdown(r0, 0x0) 03:39:04 executing program 4: r0 = socket$nl_xfrm(0x10, 0x3, 0x6) sendmsg$nl_xfrm(r0, &(0x7f0000000400)={&(0x7f0000000040)={0x10}, 0xc, &(0x7f00000001c0)={&(0x7f0000000080)=@updpolicy={0xb8, 0x14, 0x407, 0x0, 0x0, {{@in=@loopback=0x7f000001, @in6=@ipv4={[0x0, 0x0, 0x0, 0x0, 0xffffff7f00000000], [0xff, 0xff], @dev={0xac, 0x14, 0x14}}, 0x0, 0x0, 0x0, 0x0, 0x2}}}, 0xb8}, 0x1}, 0x0) 03:39:04 executing program 7: sendmsg$IPVS_CMD_FLUSH(0xffffffffffffffff, &(0x7f0000000340)={&(0x7f0000000100)={0x10}, 0xc, &(0x7f00000002c0)={&(0x7f00000001c0)=ANY=[@ANYBLOB='P\x00\x00\x00', @ANYBLOB="00000000000000000000110000002800030014000200697064647030000000000000000000000800040000000000080001000000000014000100080009000000000008005f50e2470000"], 0x2}, 0x1}, 0x0) r0 = socket$nl_generic(0x10, 0x3, 0x10) sendmsg$nl_generic(r0, &(0x7f00003cefe4)={&(0x7f0000000300)={0x10, 0x36200}, 0xc, &(0x7f0000007ff0)={&(0x7f0000000180)={0xffce, 0x2e, 0x6fd, 0x0, 0x0, {0x2004}, [@nested={0xc, 0x0, [@typed={0x62, 0x9, @ipv4}]}]}, 0xffce}, 0x1, 0x500}, 0x0) 03:39:04 executing program 2: r0 = socket$inet6(0xa, 0x1000000000002, 0x0) ioctl(r0, 0x8912, &(0x7f0000000280)="025cc83d6d345f8f762070") syz_mount_image$btrfs(&(0x7f0000000080)='btrfs\x00', &(0x7f0000000100)='./file0\x00', 0x0, 0x1, &(0x7f0000000200)=[{&(0x7f0000000500)="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", 0x116, 0x10000}], 0x0, &(0x7f0000000240)) 03:39:04 executing program 5: r0 = syz_open_procfs(0x0, &(0x7f0000000000)='net/raw\x00') epoll_pwait(r0, &(0x7f0000000180)=[{}, {}, {}, {}, {}], 0x5, 0x7, &(0x7f00000001c0)={0x9}, 0x8) readv(r0, &(0x7f0000001680)=[{&(0x7f0000001580)=""/250, 0xfa}], 0x1) pread64(r0, &(0x7f0000df6000), 0x0, 0x0) read(r0, &(0x7f0000000040)=""/206, 0xce) signalfd(r0, &(0x7f0000000140), 0x8) 03:39:04 executing program 0 (fault-call:4 fault-nth:5): perf_event_open(&(0x7f0000000180)={0x2, 0x70, 0x3e5}, 0x0, 0x0, 0xffffffffffffffff, 0x0) r0 = socket$inet_udp(0x2, 0x2, 0x0) sendto$inet(r0, &(0x7f0000000000), 0x0, 0x400c000, &(0x7f000083b000)={0x2, 0x4e20}, 0x10) r1 = syz_open_procfs(0x0, &(0x7f0000000080)='net/udp\x00') sendfile(r0, r1, &(0x7f0000000000), 0xff) 03:39:04 executing program 1: r0 = socket$inet6(0xa, 0x1000000000002, 0x0) ioctl(r0, 0x8912, &(0x7f0000000280)="025cc83d6d345f8f762070") syz_mount_image$btrfs(&(0x7f0000000080)='btrfs\x00', &(0x7f0000000100)='./file0\x00', 0x0, 0x1, &(0x7f0000000200)=[{&(0x7f0000000500)="8da4363a00000000000000740000004d01000000000000000000000000000000ecf6f2a2299748aeb81e1b00920efd9a000001000000000001000000000000005f42485266535f4dd2f873574f257e0a01e2a6a02f5e071383fa5a669a53f2fe9eb4eb7918628af41b", 0x69, 0x10000}], 0x0, &(0x7f0000000240)) 03:39:04 executing program 6: perf_event_open(&(0x7f0000000180)={0x2, 0x70, 0x3e5}, 0x0, 0x0, 0xffffffffffffffff, 0x0) ioctl$KVM_CREATE_VM(0xffffffffffffffff, 0xae01, 0x0) pipe2$9p(&(0x7f0000000000)={0xffffffffffffffff, 0xffffffffffffffff}, 0x0) write$P9_RLERRORu(r1, &(0x7f0000000080)=ANY=[@ANYBLOB="1400000007ffff0700"], 0x9) mkdir(&(0x7f0000000440)='./file0\x00', 0x0) mount$9p_fd(0x0, &(0x7f00000005c0)='./file0\x00', &(0x7f0000000600)='9p\x00', 0x0, &(0x7f0000000640)={'trans=fd,', {'rfdno', 0x3d, r0}, 0x2c, {'wfdno', 0x3d, r1}, 0x2c, {[{@version_9p2000='version=9p200%', 0x2c}]}}) 03:39:04 executing program 4: r0 = socket$nl_xfrm(0x10, 0x3, 0x6) sendmsg$nl_xfrm(r0, &(0x7f0000000400)={&(0x7f0000000040)={0x10}, 0xc, &(0x7f00000001c0)={&(0x7f0000000080)=@updpolicy={0xb8, 0x14, 0x407, 0x0, 0x0, {{@in=@loopback=0x7f000001, @in6=@ipv4={[0x0, 0x0, 0x0, 0x0, 0x2000000000000000], [0xff, 0xff], @dev={0xac, 0x14, 0x14}}, 0x0, 0x0, 0x0, 0x0, 0x2}}}, 0xb8}, 0x1}, 0x0) [ 1445.907861] BTRFS error (device loop2): unsupported checksum algorithm 3786 [ 1445.915116] BTRFS error (device loop2): superblock checksum mismatch [ 1445.937493] BTRFS error (device loop2): open_ctree failed [ 1445.941128] 9pnet: Unknown protocol version 9p200% 03:39:04 executing program 7: sendmsg$IPVS_CMD_FLUSH(0xffffffffffffffff, &(0x7f0000000340)={&(0x7f0000000100)={0x10}, 0xc, &(0x7f00000002c0)={&(0x7f00000001c0)=ANY=[@ANYBLOB='P\x00\x00\x00', @ANYBLOB="00000000000000000000110000002800030014000200697064647030000000000000000000000800040000000000080001000000000014000100080009000000000008005f50e2470000"], 0x2}, 0x1}, 0x0) r0 = socket$nl_generic(0x10, 0x3, 0x10) sendmsg$nl_generic(r0, &(0x7f00003cefe4)={&(0x7f0000000300)={0x10, 0x36200}, 0xc, &(0x7f0000007ff0)={&(0x7f0000000180)={0xffce, 0x2e, 0x6fd, 0x0, 0x0, {0x2004}, [@nested={0xc, 0x0, [@typed={0x62, 0x9, @ipv4}]}]}, 0xffce}, 0x1, 0x6800000000000000}, 0x0) 03:39:04 executing program 5: perf_event_open(&(0x7f0000000140)={0x2, 0x70, 0x15, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext}, 0x0, 0x0, 0xffffffffffffffff, 0x0) r0 = socket$inet6(0xa, 0x1000000000002, 0x3b) ioctl(r0, 0x8912, &(0x7f0000000280)="025cc83d6d345f8f762070") r1 = openat$null(0xffffffffffffff9c, &(0x7f0000000000)='/dev/null\x00', 0x0, 0x0) clock_gettime(0x0, &(0x7f0000000100)={0x0, 0x0}) timerfd_settime(r1, 0x1, &(0x7f00000001c0)={{r2, r3+30000000}, {0x0, 0x989680}}, &(0x7f0000000200)) ioctl$SCSI_IOCTL_GET_PCI(r1, 0x5387, &(0x7f00000000c0)) r4 = getpgrp(0xffffffffffffffff) syz_open_procfs(r4, &(0x7f0000000040)='timers\x00') write$P9_RLERROR(r1, &(0x7f0000000080)={0x9, 0x7, 0x1}, 0x9) keyctl$set_reqkey_keyring(0x17, 0x0) 03:39:04 executing program 2: r0 = socket$inet6(0xa, 0x1000000000002, 0x0) ioctl(r0, 0x8912, &(0x7f0000000280)="025cc83d6d345f8f762070") syz_mount_image$btrfs(&(0x7f0000000080)='btrfs\x00', &(0x7f0000000100)='./file0\x00', 0x0, 0x1, &(0x7f0000000200)=[{&(0x7f0000000500)="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", 0x116, 0x10000}], 0x0, &(0x7f0000000240)) 03:39:04 executing program 4: r0 = socket$nl_xfrm(0x10, 0x3, 0x6) sendmsg$nl_xfrm(r0, &(0x7f0000000400)={&(0x7f0000000040)={0x10}, 0xc, &(0x7f00000001c0)={&(0x7f0000000080)=@updpolicy={0xb8, 0x14, 0x407, 0x0, 0x0, {{@in=@loopback=0x7f000001, @in6=@ipv4={[0x0, 0x0, 0x0, 0x0, 0x20000000], [0xff, 0xff], @dev={0xac, 0x14, 0x14}}, 0x0, 0x0, 0x0, 0x0, 0x2}}}, 0xb8}, 0x1}, 0x0) [ 1445.959681] BTRFS error (device loop2): unsupported checksum algorithm 3786 [ 1445.966856] BTRFS error (device loop2): superblock checksum mismatch [ 1445.989251] 9pnet: Unknown protocol version 9p200% [ 1445.998795] BTRFS error (device loop2): open_ctree failed 03:39:04 executing program 6: perf_event_open(&(0x7f0000000180)={0x2, 0x70, 0x3e5}, 0x0, 0x0, 0xffffffffffffffff, 0x0) ioctl$KVM_CREATE_VM(0xffffffffffffffff, 0xae01, 0x0) pipe2$9p(&(0x7f0000000000)={0xffffffffffffffff, 0xffffffffffffffff}, 0x0) write$P9_RLERRORu(r1, &(0x7f0000000080)=ANY=[@ANYBLOB="1400000007ffff0700"], 0x9) mkdir(&(0x7f0000000440)='./file0\x00', 0x0) mount$9p_fd(0x0, &(0x7f00000005c0)='./file0\x00', &(0x7f0000000600)='9p\x00', 0x0, &(0x7f0000000640)={'trans=fd,', {'rfdno', 0x3d, r0}, 0x2c, {'wfdno', 0x3d, r1}, 0x2c, {[{@version_9p2000='version=9p200-', 0x2c}]}}) 03:39:04 executing program 1: r0 = socket$inet6(0xa, 0x1000000000002, 0x0) ioctl(r0, 0x8912, &(0x7f0000000280)="025cc83d6d345f8f762070") syz_mount_image$btrfs(&(0x7f0000000080)='btrfs\x00', &(0x7f0000000100)='./file0\x00', 0x0, 0x1, &(0x7f0000000200)=[{&(0x7f0000000500)="8da4363a0000000003fe00000000004d01000000000000000000000000000000ecf6f2a2299748aeb81e1b00920efd9a000001000000000001000000000000005f42485266535f4dd2f873574f257e0a01e2a6a02f5e071383fa5a669a53f2fe9eb4eb7918628af41b", 0x69, 0x10000}], 0x0, &(0x7f0000000240)) 03:39:04 executing program 7: sendmsg$IPVS_CMD_FLUSH(0xffffffffffffffff, &(0x7f0000000340)={&(0x7f0000000100)={0x10}, 0xc, &(0x7f00000002c0)={&(0x7f00000001c0)=ANY=[@ANYBLOB='P\x00\x00\x00', @ANYBLOB="00000000000000000000110000002800030014000200697064647030000000000000000000000800040000000000080001000000000014000100080009000000000008005f50e2470000"], 0x2}, 0x1}, 0x0) r0 = socket$nl_generic(0x10, 0x3, 0x10) sendmsg$nl_generic(r0, &(0x7f00003cefe4)={&(0x7f0000000300)={0x10, 0x36200}, 0xc, &(0x7f0000007ff0)={&(0x7f0000000180)={0xffce, 0x2e, 0x6fd, 0x0, 0x0, {0x2004}, [@nested={0xc, 0x0, [@typed={0x62, 0x9, @ipv4}]}]}, 0xffce}, 0x1, 0x6c00000000000000}, 0x0) [ 1446.056053] BTRFS error (device loop2): unsupported checksum algorithm 3786 [ 1446.063310] BTRFS error (device loop2): superblock checksum mismatch [ 1446.077593] 9pnet: Unknown protocol version 9p200- [ 1446.091291] 9pnet: Unknown protocol version 9p200- [ 1446.108340] BTRFS error (device loop2): open_ctree failed [ 1446.123842] FAULT_INJECTION: forcing a failure. [ 1446.123842] name fail_page_alloc, interval 1, probability 0, space 0, times 0 [ 1446.135671] CPU: 0 PID: 23639 Comm: syz-executor0 Not tainted 4.18.0-rc3-next-20180709+ #2 [ 1446.144067] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 1446.153423] Call Trace: [ 1446.156005] dump_stack+0x1c9/0x2b4 [ 1446.159639] ? dump_stack_print_info.cold.2+0x52/0x52 [ 1446.164822] ? perf_tp_event+0xc40/0xc40 [ 1446.168881] should_fail.cold.4+0xa/0x11 [ 1446.172937] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 1446.178049] ? perf_trace_lock+0x49d/0x920 [ 1446.182292] ? zap_class+0x740/0x740 [ 1446.186001] ? perf_tp_event+0xc40/0xc40 [ 1446.190062] ? percpu_ref_tryget_live+0x15b/0x440 [ 1446.194897] ? mem_cgroup_id_get_many+0x160/0x160 [ 1446.199730] ? get_mem_cgroup_from_mm+0x1ea/0x440 [ 1446.204565] ? lock_downgrade+0x8f0/0x8f0 [ 1446.208707] ? lock_release+0xa30/0xa30 [ 1446.212685] ? lock_acquire+0x1e4/0x540 [ 1446.216648] ? rcu_read_unlock+0x16/0x70 [ 1446.220716] __alloc_pages_nodemask+0x36e/0xdb0 [ 1446.225375] ? lock_release+0xa30/0xa30 [ 1446.229346] ? __alloc_pages_slowpath+0x2d00/0x2d00 [ 1446.234365] ? lock_release+0xa30/0xa30 [ 1446.238336] ? rcu_read_unlock+0x35/0x70 [ 1446.242392] ? mem_cgroup_handle_over_high+0x130/0x130 [ 1446.247659] ? fs_reclaim_acquire+0x20/0x20 [ 1446.251974] ? lock_downgrade+0x8f0/0x8f0 [ 1446.256117] ? lock_release+0xa30/0xa30 [ 1446.260085] ? fs_reclaim_acquire+0x20/0x20 [ 1446.264412] ? check_same_owner+0x340/0x340 [ 1446.268732] cache_grow_begin+0x91/0x710 [ 1446.272793] kmem_cache_alloc_node_trace+0x692/0x770 [ 1446.277896] __kmalloc_node+0x33/0x70 [ 1446.281688] kvmalloc_node+0x65/0xf0 [ 1446.285394] seq_read+0x957/0x10e0 [ 1446.288932] ? fsnotify_first_mark+0x350/0x350 [ 1446.293506] ? seq_dentry+0x2c0/0x2c0 [ 1446.297298] proc_reg_read+0x2a3/0x3d0 [ 1446.301180] ? proc_reg_unlocked_ioctl+0x3c0/0x3c0 [ 1446.306105] ? security_file_permission+0x1c2/0x230 [ 1446.311113] ? rw_verify_area+0x118/0x360 [ 1446.315252] do_iter_read+0x49e/0x650 [ 1446.319055] vfs_readv+0x175/0x1c0 [ 1446.322597] ? compat_rw_copy_check_uvector+0x440/0x440 [ 1446.327963] ? __kernel_text_address+0xd/0x40 [ 1446.332450] ? __save_stack_trace+0x8d/0xf0 [ 1446.336773] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 1446.341783] default_file_splice_read+0x526/0xb10 [ 1446.346614] ? splice_direct_to_actor+0x6fc/0x8f0 [ 1446.351447] ? do_splice_direct+0x2d4/0x420 [ 1446.355755] ? do_sendfile+0x62a/0xe20 [ 1446.359631] ? __x64_sys_sendfile64+0x15d/0x250 [ 1446.364310] ? iter_file_splice_write+0x1010/0x1010 [ 1446.369318] ? lock_release+0xa30/0xa30 [ 1446.373283] ? memcg_kmem_get_cache+0x3a9/0x9d0 [ 1446.377946] ? mem_cgroup_handle_over_high+0x130/0x130 [ 1446.383227] ? fs_reclaim_acquire+0x20/0x20 [ 1446.387548] ? lock_downgrade+0x8f0/0x8f0 [ 1446.391690] ? __lockdep_init_map+0x105/0x590 [ 1446.396181] ? __mutex_init+0x1f7/0x290 [ 1446.400142] ? mem_cgroup_id_get_online+0x310/0x310 [ 1446.405151] ? __ia32_sys_membarrier+0x150/0x150 [ 1446.409900] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 1446.415425] ? fsnotify+0xbac/0x14e0 [ 1446.419140] ? fsnotify_first_mark+0x350/0x350 [ 1446.423711] ? alloc_pipe_info+0x2a8/0x5a0 [ 1446.427935] ? fsnotify+0x14e0/0x14e0 [ 1446.431740] ? security_file_permission+0x1c2/0x230 [ 1446.436749] ? iter_file_splice_write+0x1010/0x1010 [ 1446.441756] do_splice_to+0x12e/0x190 [ 1446.445552] splice_direct_to_actor+0x270/0x8f0 [ 1446.450213] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 1446.455744] ? pipe_to_sendpage+0x400/0x400 [ 1446.460065] ? do_splice_to+0x190/0x190 [ 1446.464027] ? security_file_permission+0x1c2/0x230 [ 1446.469034] ? rw_verify_area+0x118/0x360 [ 1446.473180] do_splice_direct+0x2d4/0x420 [ 1446.477320] ? splice_direct_to_actor+0x8f0/0x8f0 [ 1446.482158] ? rw_verify_area+0x118/0x360 [ 1446.486308] do_sendfile+0x62a/0xe20 [ 1446.490019] ? do_compat_pwritev64+0x1c0/0x1c0 [ 1446.494602] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 1446.500128] ? _copy_from_user+0xdf/0x150 [ 1446.504280] __x64_sys_sendfile64+0x15d/0x250 [ 1446.508765] ? __ia32_sys_sendfile+0x2a0/0x2a0 [ 1446.513359] do_syscall_64+0x1b9/0x820 [ 1446.517241] ? syscall_return_slowpath+0x5e0/0x5e0 [ 1446.522167] ? syscall_return_slowpath+0x31d/0x5e0 [ 1446.527089] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 1446.532096] ? prepare_exit_to_usermode+0x291/0x3b0 [ 1446.537102] ? perf_trace_sys_enter+0xb10/0xb10 [ 1446.541772] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 1446.546612] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 1446.551788] RIP: 0033:0x455e29 [ 1446.554972] Code: 1d ba fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 0f 83 eb b9 fb ff c3 66 2e 0f 1f 84 00 00 00 00 [ 1446.574364] RSP: 002b:00007f77b34dfc68 EFLAGS: 00000246 ORIG_RAX: 0000000000000028 [ 1446.582068] RAX: ffffffffffffffda RBX: 00007f77b34e06d4 RCX: 0000000000455e29 [ 1446.589323] RDX: 0000000020000000 RSI: 0000000000000015 RDI: 0000000000000014 [ 1446.596578] RBP: 000000000072bea0 R08: 0000000000000000 R09: 0000000000000000 [ 1446.603835] R10: 00000000000000ff R11: 0000000000000246 R12: 0000000000000016 [ 1446.611094] R13: 00000000004c1113 R14: 00000000004d1540 R15: 0000000000000005 [ 1446.649543] BTRFS error (device loop2): unsupported checksum algorithm 3786 [ 1446.656797] BTRFS error (device loop2): superblock checksum mismatch [ 1446.672871] BTRFS error (device loop2): open_ctree failed 03:39:05 executing program 3: r0 = socket$inet(0x2, 0x4000000000000001, 0x0) setsockopt$inet_tcp_TCP_CONGESTION(r0, 0x6, 0xd, &(0x7f0000000140)='nv\x00', 0x3) sendto$inet(r0, &(0x7f0000a88f88), 0xfffffffffffffe6e, 0x20000000, &(0x7f0000e68000)={0x2, 0x0, @local={0xac, 0x14, 0x14, 0xaa}, [0x0, 0xfeffffff]}, 0x10) shutdown(r0, 0x0) 03:39:05 executing program 4: r0 = socket$nl_xfrm(0x10, 0x3, 0x6) sendmsg$nl_xfrm(r0, &(0x7f0000000400)={&(0x7f0000000040)={0x10}, 0xc, &(0x7f00000001c0)={&(0x7f0000000080)=@updpolicy={0xb8, 0x14, 0x407, 0x0, 0x0, {{@in=@loopback=0x7f000001, @in6=@ipv4={[0x0, 0x0, 0x0, 0x0, 0xf0ffff], [0xff, 0xff], @dev={0xac, 0x14, 0x14}}, 0x0, 0x0, 0x0, 0x0, 0x2}}}, 0xb8}, 0x1}, 0x0) 03:39:05 executing program 5: r0 = openat$uinput(0xffffffffffffff9c, &(0x7f0000000200)='/dev/uinput\x00', 0x8000, 0x0) ioctl$int_in(r0, 0x5473, &(0x7f0000000240)=0x2) perf_event_open(&(0x7f0000000180)={0x2, 0x70, 0x3e6, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x7, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext}, 0x0, 0x0, 0xffffffffffffffff, 0x0) r1 = socket$nl_netfilter(0x10, 0x3, 0xc) r2 = openat$snapshot(0xffffffffffffff9c, &(0x7f0000000100)='/dev/snapshot\x00', 0x2000, 0x0) ioctl$RNDCLEARPOOL(r2, 0x5206, &(0x7f0000000140)=0x10001) sendmsg$nl_netfilter(r1, &(0x7f0000000040)={&(0x7f00000000c0)={0x10}, 0xc, &(0x7f0000000080)={&(0x7f0000000000)={0x14, 0xa, 0x800000000a, 0xfffffffffffffffd}, 0x14}, 0x1}, 0x0) 03:39:05 executing program 6: perf_event_open(&(0x7f0000000180)={0x2, 0x70, 0x3e5}, 0x0, 0x0, 0xffffffffffffffff, 0x0) ioctl$KVM_CREATE_VM(0xffffffffffffffff, 0xae01, 0x0) pipe2$9p(&(0x7f0000000000)={0xffffffffffffffff, 0xffffffffffffffff}, 0x0) write$P9_RLERRORu(r1, &(0x7f0000000080)=ANY=[@ANYBLOB="1400000007ffff0700"], 0x9) mkdir(&(0x7f0000000440)='./file0\x00', 0x0) mount$9p_fd(0x0, &(0x7f00000005c0)='./file0\x00', &(0x7f0000000600)='9p\x00', 0x0, &(0x7f0000000640)={'trans=fd,', {'rfdno', 0x3d, r0}, 0x2c, {'wfdno', 0x3d, r1}, 0x2c, {[{@version_9p2000='version=9p200\n', 0x2c}]}}) 03:39:05 executing program 7: sendmsg$IPVS_CMD_FLUSH(0xffffffffffffffff, &(0x7f0000000340)={&(0x7f0000000100)={0x10}, 0xc, &(0x7f00000002c0)={&(0x7f00000001c0)=ANY=[@ANYBLOB='P\x00\x00\x00', @ANYBLOB="00000000000000000000110000002800030014000200697064647030000000000000000000000800040000000000080001000000000014000100080009000000000008005f50e2470000"], 0x2}, 0x1}, 0x0) r0 = socket$nl_generic(0x10, 0x3, 0x10) sendmsg$nl_generic(r0, &(0x7f00003cefe4)={&(0x7f0000000300)={0x10, 0x36200}, 0xc, &(0x7f0000007ff0)={&(0x7f0000000180)={0xffce, 0x2e, 0x6fd, 0x0, 0x0, {0x2004}, [@nested={0xc, 0x0, [@typed={0x62, 0x9, @ipv4}]}]}, 0xffce}, 0x1, 0xffffffff00000000}, 0x0) 03:39:05 executing program 2: r0 = socket$inet6(0xa, 0x1000000000002, 0x0) ioctl(r0, 0x8912, &(0x7f0000000280)="025cc83d6d345f8f762070") syz_mount_image$btrfs(&(0x7f0000000080)='btrfs\x00', &(0x7f0000000100)='./file0\x00', 0x0, 0x1, &(0x7f0000000200)=[{&(0x7f0000000500)="8da4363a0000000000fffffe0000004d01000000000000000000000000000000ecf6f2a2299748aeb81e1b00920efd9a000001000000000001000000000000005f42485266535f4dd2f873574f257e0a01e2a6a02f5e071383fa5a669a53f2fe9eb4eb7918628af41b035fd98372e7c2a6970f550441f0b263dca46c12ce6aaa994fbb4b3493ca901878bb330d2db8e953fc883f9c754f419e963874199295a945ec867b4f224fde52268a81e1154b80f7076f32b6eb8614c672ecdecd385a1a7b8cac7cca0eb0cdbf1c5ee539c37d1f23b763ce55672b8e492664e624e0efe078f2e3aa38061af373a3d160cfbe9b6318577fabec9baa14a9377d7ffef2b72f36353de7db160717b00a6f6055d08594df3bff1ac4f0", 0x116, 0x10000}], 0x0, &(0x7f0000000240)) 03:39:05 executing program 0 (fault-call:4 fault-nth:6): perf_event_open(&(0x7f0000000180)={0x2, 0x70, 0x3e5}, 0x0, 0x0, 0xffffffffffffffff, 0x0) r0 = socket$inet_udp(0x2, 0x2, 0x0) sendto$inet(r0, &(0x7f0000000000), 0x0, 0x400c000, &(0x7f000083b000)={0x2, 0x4e20}, 0x10) r1 = syz_open_procfs(0x0, &(0x7f0000000080)='net/udp\x00') sendfile(r0, r1, &(0x7f0000000000), 0xff) 03:39:05 executing program 1: r0 = socket$inet6(0xa, 0x1000000000002, 0x0) ioctl(r0, 0x8912, &(0x7f0000000280)="025cc83d6d345f8f762070") syz_mount_image$btrfs(&(0x7f0000000080)='btrfs\x00', &(0x7f0000000100)='./file0\x00', 0x0, 0x1, &(0x7f0000000200)=[{&(0x7f0000000500)="8da4363a00000000001f00000000004d01000000000000000000000000000000ecf6f2a2299748aeb81e1b00920efd9a000001000000000001000000000000005f42485266535f4dd2f873574f257e0a01e2a6a02f5e071383fa5a669a53f2fe9eb4eb7918628af41b", 0x69, 0x10000}], 0x0, &(0x7f0000000240)) [ 1446.779347] 9pnet: Unknown protocol version 9p200 [ 1446.779347] [ 1446.784369] BTRFS error (device loop2): unsupported checksum algorithm 3786 [ 1446.792891] BTRFS error (device loop2): superblock checksum mismatch [ 1446.793608] FAULT_INJECTION: forcing a failure. [ 1446.793608] name failslab, interval 1, probability 0, space 0, times 0 [ 1446.810712] CPU: 0 PID: 23686 Comm: syz-executor0 Not tainted 4.18.0-rc3-next-20180709+ #2 [ 1446.819135] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 03:39:05 executing program 7: sendmsg$IPVS_CMD_FLUSH(0xffffffffffffffff, &(0x7f0000000340)={&(0x7f0000000100)={0x10}, 0xc, &(0x7f00000002c0)={&(0x7f00000001c0)=ANY=[@ANYBLOB='P\x00\x00\x00', @ANYBLOB="00000000000000000000110000002800030014000200697064647030000000000000000000000800040000000000080001000000000014000100080009000000000008005f50e2470000"], 0x2}, 0x1}, 0x0) r0 = socket$nl_generic(0x10, 0x3, 0x10) sendmsg$nl_generic(r0, &(0x7f00003cefe4)={&(0x7f0000000300)={0x10, 0x36200}, 0xc, &(0x7f0000007ff0)={&(0x7f0000000180)={0xffce, 0x2e, 0x6fd, 0x0, 0x0, {0x2004}, [@nested={0xc, 0x0, [@typed={0x62, 0x9, @ipv4}]}]}, 0xffce}, 0x1, 0xf0ffffff}, 0x0) [ 1446.828505] Call Trace: [ 1446.831117] dump_stack+0x1c9/0x2b4 [ 1446.834777] ? dump_stack_print_info.cold.2+0x52/0x52 [ 1446.839996] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 1446.845575] should_fail.cold.4+0xa/0x11 [ 1446.849663] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 1446.854787] ? zap_class+0x740/0x740 [ 1446.858512] ? perf_swevent_event+0x2e0/0x2e0 [ 1446.863029] ? perf_log_itrace_start+0x1dd/0x550 [ 1446.867781] ? perf_trace_run_bpf_submit+0x270/0x3b0 [ 1446.872896] ? __nf_conntrack_find_get.part.43+0x1073/0x1bd0 [ 1446.878689] ? lock_downgrade+0x8f0/0x8f0 [ 1446.882866] ? lock_release+0xa30/0xa30 [ 1446.886840] __should_failslab+0x124/0x180 [ 1446.891073] should_failslab+0x9/0x14 [ 1446.894887] kmem_cache_alloc+0x47/0x760 [ 1446.898994] __nf_conntrack_alloc+0x1b1/0x7e0 [ 1446.903494] ? early_drop+0xc20/0xc20 [ 1446.907292] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 1446.912821] ? perf_trace_add+0x291/0x3e0 [ 1446.916964] ? perf_uprobe_destroy+0x130/0x130 [ 1446.921541] ? __sanitizer_cov_trace_switch+0x53/0x90 [ 1446.926727] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 1446.932263] init_conntrack+0xffe/0x13b0 [ 1446.936329] ? nf_conntrack_alloc+0x50/0x50 [ 1446.940661] ? __sanitizer_cov_trace_switch+0x53/0x90 [ 1446.945864] ? lock_acquire+0x1e4/0x540 [ 1446.949832] ? nf_conntrack_in+0x571/0x1150 [ 1446.954333] ? lock_release+0xa30/0xa30 [ 1446.958328] nf_conntrack_in+0xb67/0x1150 [ 1446.962488] ? nf_conntrack_update+0xba0/0xba0 [ 1446.967064] ? trace_hardirqs_on+0x10/0x10 [ 1446.971296] ? perf_tp_event+0xc40/0xc40 [ 1446.975370] ? icmp_checkentry+0x90/0x90 [ 1446.979427] ? lock_acquire+0xf0/0x540 [ 1446.983322] ? nf_ct_l4proto_unregister_sysctl.isra.14+0x130/0x130 [ 1446.989637] ipv4_conntrack_local+0x1bc/0x290 [ 1446.994132] nf_hook_slow+0xc2/0x1c0 [ 1446.997850] __ip_local_out+0x56d/0xb50 [ 1447.001839] ? ip_finish_output+0xfa0/0xfa0 [ 1447.006160] ? ip_append_data.part.48+0x180/0x180 [ 1447.011042] ? refcount_dec_if_one+0x180/0x180 [ 1447.015749] ? dst_release+0x5d/0xb0 [ 1447.019466] ip_local_out+0x2d/0x1b0 [ 1447.023309] ip_send_skb+0x40/0xe0 [ 1447.026844] udp_send_skb.isra.41+0x6b7/0x11d0 [ 1447.031433] udp_push_pending_frames+0x5c/0xf0 [ 1447.036139] udp_sendpage+0x3b2/0x590 [ 1447.039937] ? udp_sendmsg+0x3930/0x3930 [ 1447.043994] ? lock_repin_lock+0x430/0x430 [ 1447.048228] ? kasan_check_write+0x14/0x20 [ 1447.052482] ? udp_sendmsg+0x3930/0x3930 [ 1447.056543] inet_sendpage+0x1de/0x750 [ 1447.060428] ? inet_sendmsg+0x690/0x690 [ 1447.064396] ? __sched_text_start+0x8/0x8 [ 1447.068551] ? iter_file_splice_write+0x1010/0x1010 [ 1447.073572] kernel_sendpage+0x93/0xf0 [ 1447.077451] ? inet_sendmsg+0x690/0x690 [ 1447.081424] sock_sendpage+0x8c/0xc0 [ 1447.085148] ? kernel_sendpage+0xf0/0xf0 [ 1447.089214] pipe_to_sendpage+0x2d0/0x400 [ 1447.093362] ? generic_pipe_buf_nosteal+0x10/0x10 [ 1447.098199] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 1447.103848] ? splice_from_pipe_next.part.9+0x296/0x340 [ 1447.109218] __splice_from_pipe+0x38e/0x7c0 [ 1447.113672] ? generic_pipe_buf_nosteal+0x10/0x10 [ 1447.118520] splice_from_pipe+0x1ea/0x340 [ 1447.122677] ? generic_pipe_buf_nosteal+0x10/0x10 [ 1447.127529] ? splice_shrink_spd+0xd0/0xd0 [ 1447.131781] ? security_file_permission+0x1c2/0x230 [ 1447.136813] generic_splice_sendpage+0x3c/0x50 [ 1447.141389] ? splice_from_pipe+0x340/0x340 [ 1447.145711] direct_splice_actor+0x128/0x190 [ 1447.150124] splice_direct_to_actor+0x318/0x8f0 [ 1447.154798] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 1447.160333] ? pipe_to_sendpage+0x400/0x400 [ 1447.164657] ? do_splice_to+0x190/0x190 [ 1447.168623] ? security_file_permission+0x1c2/0x230 [ 1447.173636] ? rw_verify_area+0x118/0x360 [ 1447.177782] do_splice_direct+0x2d4/0x420 [ 1447.181930] ? splice_direct_to_actor+0x8f0/0x8f0 [ 1447.186772] ? rw_verify_area+0x118/0x360 [ 1447.190916] do_sendfile+0x62a/0xe20 [ 1447.194640] ? do_compat_pwritev64+0x1c0/0x1c0 [ 1447.199227] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 1447.204770] ? _copy_from_user+0xdf/0x150 [ 1447.208919] __x64_sys_sendfile64+0x15d/0x250 [ 1447.213410] ? __ia32_sys_sendfile+0x2a0/0x2a0 [ 1447.218005] do_syscall_64+0x1b9/0x820 [ 1447.221888] ? finish_task_switch+0x1d3/0x870 [ 1447.226378] ? syscall_return_slowpath+0x5e0/0x5e0 [ 1447.231302] ? syscall_return_slowpath+0x31d/0x5e0 [ 1447.236230] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 1447.241246] ? prepare_exit_to_usermode+0x291/0x3b0 [ 1447.246258] ? perf_trace_sys_enter+0xb10/0xb10 [ 1447.250937] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 1447.255797] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 1447.260982] RIP: 0033:0x455e29 [ 1447.264166] Code: 1d ba fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 0f 83 eb b9 fb ff c3 66 2e 0f 1f 84 00 00 00 00 [ 1447.283652] RSP: 002b:00007f77b34dfc68 EFLAGS: 00000246 ORIG_RAX: 0000000000000028 [ 1447.291370] RAX: ffffffffffffffda RBX: 00007f77b34e06d4 RCX: 0000000000455e29 [ 1447.298629] RDX: 0000000020000000 RSI: 0000000000000015 RDI: 0000000000000014 [ 1447.305887] RBP: 000000000072bea0 R08: 0000000000000000 R09: 0000000000000000 [ 1447.313146] R10: 00000000000000ff R11: 0000000000000246 R12: 0000000000000016 [ 1447.320404] R13: 00000000004c1113 R14: 00000000004d1540 R15: 0000000000000006 03:39:06 executing program 4: r0 = socket$nl_xfrm(0x10, 0x3, 0x6) sendmsg$nl_xfrm(r0, &(0x7f0000000400)={&(0x7f0000000040)={0x10}, 0xc, &(0x7f00000001c0)={&(0x7f0000000080)=@updpolicy={0xb8, 0x14, 0x407, 0x0, 0x0, {{@in=@loopback=0x7f000001, @in6=@ipv4={[0x0, 0x0, 0x0, 0x0, 0xf0], [0xff, 0xff], @dev={0xac, 0x14, 0x14}}, 0x0, 0x0, 0x0, 0x0, 0x2}}}, 0xb8}, 0x1}, 0x0) 03:39:06 executing program 2: r0 = socket$inet6(0xa, 0x1000000000002, 0x0) ioctl(r0, 0x8912, &(0x7f0000000280)="025cc83d6d345f8f762070") syz_mount_image$btrfs(&(0x7f0000000080)='btrfs\x00', &(0x7f0000000100)='./file0\x00', 0x0, 0x1, &(0x7f0000000200)=[{&(0x7f0000000500)="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", 0x116, 0x10000}], 0x0, &(0x7f0000000240)) 03:39:06 executing program 7: sendmsg$IPVS_CMD_FLUSH(0xffffffffffffffff, &(0x7f0000000340)={&(0x7f0000000100)={0x10}, 0xc, &(0x7f00000002c0)={&(0x7f00000001c0)=ANY=[@ANYBLOB='P\x00\x00\x00', @ANYBLOB="00000000000000000000110000002800030014000200697064647030000000000000000000000800040000000000080001000000000014000100080009000000000008005f50e2470000"], 0x2}, 0x1}, 0x0) r0 = socket$nl_generic(0x10, 0x3, 0x10) sendmsg$nl_generic(r0, &(0x7f00003cefe4)={&(0x7f0000000300)={0x10, 0x36200}, 0xc, &(0x7f0000007ff0)={&(0x7f0000000180)={0xffce, 0x2e, 0x6fd, 0x0, 0x0, {0x2004}, [@nested={0xc, 0x0, [@typed={0x62, 0x9, @ipv4}]}]}, 0xffce}, 0x1, 0x7a000000}, 0x0) [ 1447.332402] BTRFS error (device loop2): open_ctree failed [ 1447.347692] BTRFS error (device loop1): superblock checksum mismatch [ 1447.371304] BTRFS error (device loop1): open_ctree failed 03:39:06 executing program 4: r0 = socket$nl_xfrm(0x10, 0x3, 0x6) sendmsg$nl_xfrm(r0, &(0x7f0000000400)={&(0x7f0000000040)={0x10}, 0xc, &(0x7f00000001c0)={&(0x7f0000000080)=@updpolicy={0xb8, 0x14, 0x407, 0x0, 0x0, {{@in=@loopback=0x7f000001, @in6=@ipv4={[0x0, 0x0, 0x0, 0x0, 0x2337], [0xff, 0xff], @dev={0xac, 0x14, 0x14}}, 0x0, 0x0, 0x0, 0x0, 0x2}}}, 0xb8}, 0x1}, 0x0) 03:39:06 executing program 1: r0 = socket$inet6(0xa, 0x1000000000002, 0x0) ioctl(r0, 0x8912, &(0x7f0000000280)="025cc83d6d345f8f762070") syz_mount_image$btrfs(&(0x7f0000000080)='btrfs\x00', &(0x7f0000000100)='./file0\x00', 0x0, 0x1, &(0x7f0000000200)=[{&(0x7f0000000500)="8da4363a00000000740200000000004d01000000000000000000000000000000ecf6f2a2299748aeb81e1b00920efd9a000001000000000001000000000000005f42485266535f4dd2f873574f257e0a01e2a6a02f5e071383fa5a669a53f2fe9eb4eb7918628af41b", 0x69, 0x10000}], 0x0, &(0x7f0000000240)) 03:39:06 executing program 7: sendmsg$IPVS_CMD_FLUSH(0xffffffffffffffff, &(0x7f0000000340)={&(0x7f0000000100)={0x10}, 0xc, &(0x7f00000002c0)={&(0x7f00000001c0)=ANY=[@ANYBLOB='P\x00\x00\x00', @ANYBLOB="00000000000000000000110000002800030014000200697064647030000000000000000000000800040000000000080001000000000014000100080009000000000008005f50e2470000"], 0x2}, 0x1}, 0x0) r0 = socket$nl_generic(0x10, 0x3, 0x10) sendmsg$nl_generic(r0, &(0x7f00003cefe4)={&(0x7f0000000300)={0x10, 0x36200}, 0xc, &(0x7f0000007ff0)={&(0x7f0000000180)={0xffce, 0x2e, 0x6fd, 0x0, 0x0, {0x2004}, [@nested={0xc, 0x0, [@typed={0x62, 0x9, @ipv4}]}]}, 0xffce}, 0x1, 0x7000000}, 0x0) 03:39:06 executing program 4: r0 = socket$nl_xfrm(0x10, 0x3, 0x6) sendmsg$nl_xfrm(r0, &(0x7f0000000400)={&(0x7f0000000040)={0x10}, 0xc, &(0x7f00000001c0)={&(0x7f0000000080)=@updpolicy={0xb8, 0x14, 0x407, 0x0, 0x0, {{@in=@loopback=0x7f000001, @in6=@ipv4={[0x0, 0x0, 0x0, 0x0, 0x3723000000000000], [0xff, 0xff], @dev={0xac, 0x14, 0x14}}, 0x0, 0x0, 0x0, 0x0, 0x2}}}, 0xb8}, 0x1}, 0x0) [ 1447.400261] 9pnet: Unknown protocol version 9p200 [ 1447.400261] [ 1447.425153] BTRFS error (device loop2): unsupported checksum algorithm 3786 [ 1447.432355] BTRFS error (device loop2): superblock checksum mismatch [ 1447.465179] BTRFS error (device loop2): open_ctree failed [ 1447.500532] BTRFS error (device loop2): unsupported checksum algorithm 3786 [ 1447.507777] BTRFS error (device loop2): superblock checksum mismatch [ 1447.523606] BTRFS error (device loop2): open_ctree failed [ 1447.531099] BTRFS error (device loop2): unsupported checksum algorithm 3786 [ 1447.538278] BTRFS error (device loop2): superblock checksum mismatch [ 1447.568149] BTRFS error (device loop2): open_ctree failed 03:39:06 executing program 3: r0 = socket$inet(0x2, 0x4000000000000001, 0x0) setsockopt$inet_tcp_TCP_CONGESTION(r0, 0x6, 0xd, &(0x7f0000000140)='nv\x00', 0x3) sendto$inet(r0, &(0x7f0000a88f88), 0xfffffffffffffe6e, 0x20000000, &(0x7f0000e68000)={0x2, 0x0, @local={0xac, 0x14, 0x14, 0xaa}, [0x0, 0x1802]}, 0x10) shutdown(r0, 0x0) 03:39:06 executing program 4: r0 = socket$nl_xfrm(0x10, 0x3, 0x6) sendmsg$nl_xfrm(r0, &(0x7f0000000400)={&(0x7f0000000040)={0x10}, 0xc, &(0x7f00000001c0)={&(0x7f0000000080)=@updpolicy={0xb8, 0x14, 0x407, 0x0, 0x0, {{@in=@loopback=0x7f000001, @in6=@ipv4={[0x0, 0x0, 0x0, 0x0, 0xf000000], [0xff, 0xff], @dev={0xac, 0x14, 0x14}}, 0x0, 0x0, 0x0, 0x0, 0x2}}}, 0xb8}, 0x1}, 0x0) 03:39:06 executing program 7: sendmsg$IPVS_CMD_FLUSH(0xffffffffffffffff, &(0x7f0000000340)={&(0x7f0000000100)={0x10}, 0xc, &(0x7f00000002c0)={&(0x7f00000001c0)=ANY=[@ANYBLOB='P\x00\x00\x00', @ANYBLOB="00000000000000000000110000002800030014000200697064647030000000000000000000000800040000000000080001000000000014000100080009000000000008005f50e2470000"], 0x2}, 0x1}, 0x0) r0 = socket$nl_generic(0x10, 0x3, 0x10) sendmsg$nl_generic(r0, &(0x7f00003cefe4)={&(0x7f0000000300)={0x10, 0x36200}, 0xc, &(0x7f0000007ff0)={&(0x7f0000000180)={0xffce, 0x2e, 0x6fd, 0x0, 0x0, {0x2004}, [@nested={0xc, 0x0, [@typed={0x62, 0x9, @ipv4}]}]}, 0xffce}, 0x1, 0x6c00}, 0x0) 03:39:06 executing program 6: perf_event_open(&(0x7f0000000180)={0x2, 0x70, 0x3e5}, 0x0, 0x0, 0xffffffffffffffff, 0x0) ioctl$KVM_CREATE_VM(0xffffffffffffffff, 0xae01, 0x0) pipe2$9p(&(0x7f0000000000)={0xffffffffffffffff, 0xffffffffffffffff}, 0x0) write$P9_RLERRORu(r1, &(0x7f0000000080)=ANY=[@ANYBLOB="1400000007ffff0700"], 0x9) mkdir(&(0x7f0000000440)='./file0\x00', 0x0) mount$9p_fd(0x0, &(0x7f00000005c0)='./file0\x00', &(0x7f0000000600)='9p\x00', 0x0, &(0x7f0000000640)={'trans=fd,', {'rfdno', 0x3d, r0}, 0x2c, {'wfdno', 0x3d, r1}, 0x2c, {[{@version_9p2000='version=9p2000', 0x47}]}}) 03:39:06 executing program 2: r0 = socket$inet6(0xa, 0x1000000000002, 0x0) ioctl(r0, 0x8912, &(0x7f0000000280)="025cc83d6d345f8f762070") syz_mount_image$btrfs(&(0x7f0000000080)='btrfs\x00', &(0x7f0000000100)='./file0\x00', 0x0, 0x1, &(0x7f0000000200)=[{&(0x7f0000000500)="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", 0x116, 0x10000}], 0x0, &(0x7f0000000240)) 03:39:06 executing program 0 (fault-call:4 fault-nth:7): perf_event_open(&(0x7f0000000180)={0x2, 0x70, 0x3e5}, 0x0, 0x0, 0xffffffffffffffff, 0x0) r0 = socket$inet_udp(0x2, 0x2, 0x0) sendto$inet(r0, &(0x7f0000000000), 0x0, 0x400c000, &(0x7f000083b000)={0x2, 0x4e20}, 0x10) r1 = syz_open_procfs(0x0, &(0x7f0000000080)='net/udp\x00') sendfile(r0, r1, &(0x7f0000000000), 0xff) 03:39:06 executing program 5: socketpair$unix(0x1, 0x2, 0x0, &(0x7f0000000180)={0xffffffffffffffff, 0xffffffffffffffff}) connect$unix(r0, &(0x7f000057eff8)=@abs, 0x8) r2 = epoll_create1(0x0) epoll_ctl$EPOLL_CTL_ADD(r2, 0x1, r1, &(0x7f0000b82000)={0x20001ffc}) sendmmsg$unix(r1, &(0x7f00000bd000), 0x80, 0x0) epoll_wait(r2, &(0x7f0000000000)=[{}], 0x8e, 0xfffffffffffffffb) recvmmsg(r0, &(0x7f000030efc4)=[{{&(0x7f0000413ffa)=@hci, 0x6, &(0x7f0000b60000), 0x0, &(0x7f00004f9000)}}], 0x1, 0x0, 0x0) 03:39:06 executing program 1: r0 = socket$inet6(0xa, 0x1000000000002, 0x0) ioctl(r0, 0x8912, &(0x7f0000000280)="025cc83d6d345f8f762070") syz_mount_image$btrfs(&(0x7f0000000080)='btrfs\x00', &(0x7f0000000100)='./file0\x00', 0x0, 0x1, &(0x7f0000000200)=[{&(0x7f0000000500)="8da4363a00000000090000000000004d01000000000000000000000000000000ecf6f2a2299748aeb81e1b00920efd9a000001000000000001000000000000005f42485266535f4dd2f873574f257e0a01e2a6a02f5e071383fa5a669a53f2fe9eb4eb7918628af41b", 0x69, 0x10000}], 0x0, &(0x7f0000000240)) [ 1448.229413] nla_parse: 36 callbacks suppressed [ 1448.229422] netlink: 104 bytes leftover after parsing attributes in process `syz-executor4'. [ 1448.241489] 9pnet: Unknown protocol version 9p2000G [ 1448.245735] netlink: 65362 bytes leftover after parsing attributes in process `syz-executor7'. [ 1448.256642] net_ratelimit: 46 callbacks suppressed [ 1448.256649] openvswitch: netlink: ufid size 94 bytes exceeds the range (1, 16) [ 1448.268996] openvswitch: netlink: Flow set message rejected, Key attribute missing. [ 1448.283893] FAULT_INJECTION: forcing a failure. [ 1448.283893] name failslab, interval 1, probability 0, space 0, times 0 [ 1448.295223] CPU: 0 PID: 23736 Comm: syz-executor0 Not tainted 4.18.0-rc3-next-20180709+ #2 [ 1448.303980] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 1448.313336] Call Trace: [ 1448.315938] dump_stack+0x1c9/0x2b4 [ 1448.319578] ? dump_stack_print_info.cold.2+0x52/0x52 [ 1448.324794] should_fail.cold.4+0xa/0x11 [ 1448.328862] ? __save_stack_trace+0x8d/0xf0 [ 1448.333198] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 1448.338310] ? memset+0x31/0x40 [ 1448.341608] ? save_stack+0xa9/0xd0 [ 1448.345248] ? zap_class+0x740/0x740 [ 1448.348971] ? nf_conntrack_in+0xb67/0x1150 [ 1448.353304] ? nf_hook_slow+0xc2/0x1c0 [ 1448.357198] ? __ip_local_out+0x56d/0xb50 [ 1448.361355] ? ip_local_out+0x2d/0x1b0 [ 1448.365248] ? ip_send_skb+0x40/0xe0 [ 1448.368969] ? udp_send_skb.isra.41+0x6b7/0x11d0 [ 1448.373731] ? udp_push_pending_frames+0x5c/0xf0 [ 1448.378494] ? udp_sendpage+0x3b2/0x590 [ 1448.382477] ? kernel_sendpage+0x93/0xf0 [ 1448.386545] ? sock_sendpage+0x8c/0xc0 [ 1448.390441] ? pipe_to_sendpage+0x2d0/0x400 [ 1448.394767] ? __splice_from_pipe+0x38e/0x7c0 [ 1448.399263] ? splice_from_pipe+0x1ea/0x340 [ 1448.403588] ? generic_splice_sendpage+0x3c/0x50 [ 1448.408352] ? direct_splice_actor+0x128/0x190 [ 1448.412947] ? do_splice_direct+0x2d4/0x420 [ 1448.417272] ? do_sendfile+0x62a/0xe20 [ 1448.421168] ? __x64_sys_sendfile64+0x15d/0x250 [ 1448.425844] ? do_syscall_64+0x1b9/0x820 [ 1448.429917] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 1448.435293] ? perf_trace_run_bpf_submit+0x270/0x3b0 [ 1448.440433] __should_failslab+0x124/0x180 [ 1448.444681] should_failslab+0x9/0x14 [ 1448.448488] __kmalloc_track_caller+0x5f/0x760 [ 1448.453079] ? kasan_slab_alloc+0x12/0x20 [ 1448.457232] ? kmem_cache_alloc+0x2fc/0x760 [ 1448.461560] ? nf_ct_ext_add+0x370/0x7b0 [ 1448.465630] __krealloc+0x6f/0xb0 [ 1448.469091] nf_ct_ext_add+0x370/0x7b0 [ 1448.472989] ? nf_ct_ext_destroy+0x380/0x380 [ 1448.477409] ? perf_trace_run_bpf_submit+0x269/0x3b0 [ 1448.482518] ? __sanitizer_cov_trace_switch+0x53/0x90 [ 1448.487722] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 1448.493272] init_conntrack+0x5d2/0x13b0 [ 1448.497349] ? nf_conntrack_alloc+0x50/0x50 [ 1448.501674] ? memset+0x31/0x40 [ 1448.504962] ? __sanitizer_cov_trace_switch+0x53/0x90 [ 1448.510171] ? lock_acquire+0x1e4/0x540 [ 1448.514151] ? nf_conntrack_in+0x571/0x1150 [ 1448.518490] ? lock_release+0xa30/0xa30 [ 1448.522492] nf_conntrack_in+0xb67/0x1150 [ 1448.526666] ? nf_conntrack_update+0xba0/0xba0 [ 1448.531251] ? trace_hardirqs_on+0x10/0x10 [ 1448.535519] ? icmp_checkentry+0x90/0x90 [ 1448.539586] ? lock_acquire+0xf0/0x540 [ 1448.543492] ? lock_release+0xa30/0xa30 [ 1448.547473] ? nf_ct_l4proto_unregister_sysctl.isra.14+0x130/0x130 [ 1448.553796] ipv4_conntrack_local+0x1bc/0x290 [ 1448.558302] nf_hook_slow+0xc2/0x1c0 [ 1448.562031] __ip_local_out+0x56d/0xb50 [ 1448.566015] ? ip_finish_output+0xfa0/0xfa0 [ 1448.570347] ? ip_append_data.part.48+0x180/0x180 [ 1448.575198] ? refcount_dec_if_one+0x180/0x180 [ 1448.579792] ? dst_release+0x5d/0xb0 [ 1448.583521] ip_local_out+0x2d/0x1b0 [ 1448.587250] ip_send_skb+0x40/0xe0 [ 1448.590800] udp_send_skb.isra.41+0x6b7/0x11d0 [ 1448.595402] udp_push_pending_frames+0x5c/0xf0 [ 1448.599998] udp_sendpage+0x3b2/0x590 [ 1448.603809] ? udp_sendmsg+0x3930/0x3930 [ 1448.607878] ? iov_iter_npages+0xe80/0xe80 [ 1448.612121] ? trace_hardirqs_on+0xd/0x10 [ 1448.616286] ? udp_sendmsg+0x3930/0x3930 [ 1448.620356] inet_sendpage+0x1de/0x750 [ 1448.624253] ? inet_sendmsg+0x690/0x690 [ 1448.628237] ? iter_file_splice_write+0x1010/0x1010 [ 1448.633268] kernel_sendpage+0x93/0xf0 [ 1448.637160] ? inet_sendmsg+0x690/0x690 [ 1448.641159] sock_sendpage+0x8c/0xc0 [ 1448.644932] ? kernel_sendpage+0xf0/0xf0 [ 1448.649005] pipe_to_sendpage+0x2d0/0x400 [ 1448.653202] ? generic_pipe_buf_nosteal+0x10/0x10 [ 1448.658056] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 1448.663620] ? splice_from_pipe_next.part.9+0x296/0x340 [ 1448.669009] ? __ia32_sys_membarrier+0x150/0x150 [ 1448.673788] __splice_from_pipe+0x38e/0x7c0 [ 1448.678121] ? generic_pipe_buf_nosteal+0x10/0x10 [ 1448.682990] splice_from_pipe+0x1ea/0x340 [ 1448.687157] ? generic_pipe_buf_nosteal+0x10/0x10 [ 1448.692024] ? splice_shrink_spd+0xd0/0xd0 [ 1448.696286] ? security_file_permission+0x1c2/0x230 [ 1448.701328] generic_splice_sendpage+0x3c/0x50 [ 1448.705916] ? splice_from_pipe+0x340/0x340 [ 1448.710268] direct_splice_actor+0x128/0x190 [ 1448.714690] splice_direct_to_actor+0x318/0x8f0 [ 1448.719368] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 1448.724916] ? pipe_to_sendpage+0x400/0x400 [ 1448.729252] ? do_splice_to+0x190/0x190 [ 1448.733234] ? security_file_permission+0x1c2/0x230 [ 1448.738260] ? rw_verify_area+0x118/0x360 [ 1448.742423] do_splice_direct+0x2d4/0x420 [ 1448.746585] ? splice_direct_to_actor+0x8f0/0x8f0 [ 1448.751445] ? rw_verify_area+0x118/0x360 [ 1448.755607] do_sendfile+0x62a/0xe20 [ 1448.759344] ? do_compat_pwritev64+0x1c0/0x1c0 [ 1448.763948] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 1448.769487] ? _copy_from_user+0xdf/0x150 [ 1448.773647] __x64_sys_sendfile64+0x15d/0x250 [ 1448.778151] ? __ia32_sys_sendfile+0x2a0/0x2a0 [ 1448.783101] do_syscall_64+0x1b9/0x820 [ 1448.786993] ? finish_task_switch+0x1d3/0x870 [ 1448.791496] ? syscall_return_slowpath+0x5e0/0x5e0 [ 1448.796436] ? syscall_return_slowpath+0x31d/0x5e0 [ 1448.801372] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 1448.806396] ? prepare_exit_to_usermode+0x291/0x3b0 [ 1448.811422] ? perf_trace_sys_enter+0xb10/0xb10 [ 1448.816105] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 1448.820966] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 1448.826158] RIP: 0033:0x455e29 [ 1448.829344] Code: 1d ba fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 0f 83 eb b9 fb ff c3 66 2e 0f 1f 84 00 00 00 00 [ 1448.848916] RSP: 002b:00007f77b34dfc68 EFLAGS: 00000246 ORIG_RAX: 0000000000000028 [ 1448.856637] RAX: ffffffffffffffda RBX: 00007f77b34e06d4 RCX: 0000000000455e29 [ 1448.863913] RDX: 0000000020000000 RSI: 0000000000000015 RDI: 0000000000000014 [ 1448.871187] RBP: 000000000072bea0 R08: 0000000000000000 R09: 0000000000000000 [ 1448.878459] R10: 00000000000000ff R11: 0000000000000246 R12: 0000000000000016 [ 1448.885734] R13: 00000000004c1113 R14: 00000000004d1540 R15: 0000000000000007 [ 1448.897835] BTRFS error (device loop2): unsupported checksum algorithm 3786 [ 1448.905009] BTRFS error (device loop2): superblock checksum mismatch [ 1448.906176] netlink: 65362 bytes leftover after parsing attributes in process `syz-executor7'. [ 1448.912001] 9pnet: Unknown protocol version 9p2000G [ 1448.920325] openvswitch: netlink: ufid size 94 bytes exceeds the range (1, 16) 03:39:07 executing program 1: r0 = socket$inet6(0xa, 0x1000000000002, 0x0) ioctl(r0, 0x8912, &(0x7f0000000280)="025cc83d6d345f8f762070") syz_mount_image$btrfs(&(0x7f0000000080)='btrfs\x00', &(0x7f0000000100)='./file0\x00', 0x0, 0x1, &(0x7f0000000200)=[{&(0x7f0000000500)="8da4363a00000000000000230000004d01000000000000000000000000000000ecf6f2a2299748aeb81e1b00920efd9a000001000000000001000000000000005f42485266535f4dd2f873574f257e0a01e2a6a02f5e071383fa5a669a53f2fe9eb4eb7918628af41b", 0x69, 0x10000}], 0x0, &(0x7f0000000240)) 03:39:07 executing program 4: r0 = socket$nl_xfrm(0x10, 0x3, 0x6) sendmsg$nl_xfrm(r0, &(0x7f0000000400)={&(0x7f0000000040)={0x10}, 0xc, &(0x7f00000001c0)={&(0x7f0000000080)=@updpolicy={0xb8, 0x14, 0x407, 0x0, 0x0, {{@in=@loopback=0x7f000001, @in6=@ipv4={[0x0, 0x0, 0x0, 0x0, 0x200000000000000], [0xff, 0xff], @dev={0xac, 0x14, 0x14}}, 0x0, 0x0, 0x0, 0x0, 0x2}}}, 0xb8}, 0x1}, 0x0) 03:39:07 executing program 6: perf_event_open(&(0x7f0000000180)={0x2, 0x70, 0x3e5}, 0x0, 0x0, 0xffffffffffffffff, 0x0) ioctl$KVM_CREATE_VM(0xffffffffffffffff, 0xae01, 0x0) pipe2$9p(&(0x7f0000000000)={0xffffffffffffffff, 0xffffffffffffffff}, 0x0) write$P9_RLERRORu(r1, &(0x7f0000000080)=ANY=[@ANYBLOB="1400000007ffff0700"], 0x9) mkdir(&(0x7f0000000440)='./file0\x00', 0x0) mount$9p_fd(0x0, &(0x7f00000005c0)='./file0\x00', &(0x7f0000000600)='9p\x00', 0x0, &(0x7f0000000640)={'trans=fd,', {'rfdno', 0x3d, r0}, 0x2c, {'wfdno', 0x3d, r1}, 0x2c, {[{@version_9p2000='version=9p2000', 0x2c}], 0x5}}) [ 1448.920331] openvswitch: netlink: Flow set message rejected, Key attribute missing. [ 1448.941196] BTRFS error (device loop2): open_ctree failed [ 1448.962232] BTRFS error (device loop2): unsupported checksum algorithm 3786 [ 1448.969416] BTRFS error (device loop2): superblock checksum mismatch [ 1448.978024] BTRFS error (device loop2): open_ctree failed 03:39:07 executing program 7: sendmsg$IPVS_CMD_FLUSH(0xffffffffffffffff, &(0x7f0000000340)={&(0x7f0000000100)={0x10}, 0xc, &(0x7f00000002c0)={&(0x7f00000001c0)=ANY=[@ANYBLOB='P\x00\x00\x00', @ANYBLOB="00000000000000000000110000002800030014000200697064647030000000000000000000000800040000000000080001000000000014000100080009000000000008005f50e2470000"], 0x2}, 0x1}, 0x0) r0 = socket$nl_generic(0x10, 0x3, 0x10) sendmsg$nl_generic(r0, &(0x7f00003cefe4)={&(0x7f0000000300)={0x10, 0x36200}, 0xc, &(0x7f0000007ff0)={&(0x7f0000000180)={0xffce, 0x2e, 0x6fd, 0x0, 0x0, {0x2004}, [@nested={0xc, 0x0, [@typed={0x62, 0x9, @ipv4}]}]}, 0xffce}, 0x1, 0x9effffff00000000}, 0x0) 03:39:07 executing program 2: r0 = socket$inet6(0xa, 0x1000000000002, 0x0) ioctl(r0, 0x8912, &(0x7f0000000280)="025cc83d6d345f8f762070") syz_mount_image$btrfs(&(0x7f0000000080)='btrfs\x00', &(0x7f0000000100)='./file0\x00', 0x0, 0x1, &(0x7f0000000200)=[{&(0x7f0000000500)="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", 0x116, 0x10000}], 0x0, &(0x7f0000000240)) 03:39:07 executing program 0 (fault-call:4 fault-nth:8): perf_event_open(&(0x7f0000000180)={0x2, 0x70, 0x3e5}, 0x0, 0x0, 0xffffffffffffffff, 0x0) r0 = socket$inet_udp(0x2, 0x2, 0x0) sendto$inet(r0, &(0x7f0000000000), 0x0, 0x400c000, &(0x7f000083b000)={0x2, 0x4e20}, 0x10) r1 = syz_open_procfs(0x0, &(0x7f0000000080)='net/udp\x00') sendfile(r0, r1, &(0x7f0000000000), 0xff) 03:39:07 executing program 4: r0 = socket$nl_xfrm(0x10, 0x3, 0x6) sendmsg$nl_xfrm(r0, &(0x7f0000000400)={&(0x7f0000000040)={0x10}, 0xc, &(0x7f00000001c0)={&(0x7f0000000080)=@updpolicy={0xb8, 0x14, 0x407, 0x0, 0x0, {{@in=@loopback=0x7f000001, @in6=@ipv4={[0x0, 0x0, 0x0, 0x0, 0xf00000000000000], [0xff, 0xff], @dev={0xac, 0x14, 0x14}}, 0x0, 0x0, 0x0, 0x0, 0x2}}}, 0xb8}, 0x1}, 0x0) [ 1448.986031] netlink: 104 bytes leftover after parsing attributes in process `syz-executor4'. [ 1449.009234] 9pnet: p9_errstr2errno: server reported unknown error  03:39:07 executing program 1: r0 = socket$inet6(0xa, 0x1000000000002, 0x0) ioctl(r0, 0x8912, &(0x7f0000000280)="025cc83d6d345f8f762070") syz_mount_image$btrfs(&(0x7f0000000080)='btrfs\x00', &(0x7f0000000100)='./file0\x00', 0x0, 0x1, &(0x7f0000000200)=[{&(0x7f0000000500)="8da4363a00000000000003f20000004d01000000000000000000000000000000ecf6f2a2299748aeb81e1b00920efd9a000001000000000001000000000000005f42485266535f4dd2f873574f257e0a01e2a6a02f5e071383fa5a669a53f2fe9eb4eb7918628af41b", 0x69, 0x10000}], 0x0, &(0x7f0000000240)) [ 1449.053395] netlink: 65362 bytes leftover after parsing attributes in process `syz-executor7'. [ 1449.062243] openvswitch: netlink: ufid size 94 bytes exceeds the range (1, 16) [ 1449.069649] openvswitch: netlink: Flow set message rejected, Key attribute missing. [ 1449.081720] netlink: 104 bytes leftover after parsing attributes in process `syz-executor4'. [ 1449.095935] BTRFS error (device loop2): unsupported checksum algorithm 3786 [ 1449.103142] BTRFS error (device loop2): superblock checksum mismatch [ 1449.122898] BTRFS error (device loop2): open_ctree failed [ 1449.135801] BTRFS error (device loop2): unsupported checksum algorithm 3786 [ 1449.142987] BTRFS error (device loop2): superblock checksum mismatch 03:39:07 executing program 3: r0 = socket$inet(0x2, 0x4000000000000001, 0x0) setsockopt$inet_tcp_TCP_CONGESTION(r0, 0x6, 0xd, &(0x7f0000000140)='nv\x00', 0x3) sendto$inet(r0, &(0x7f0000a88f88), 0xfffffffffffffe6e, 0x20000000, &(0x7f0000e68000)={0x2, 0x0, @local={0xac, 0x14, 0x14, 0xaa}, [0x0, 0x7000000]}, 0x10) shutdown(r0, 0x0) 03:39:07 executing program 6: perf_event_open(&(0x7f0000000180)={0x2, 0x70, 0x3e5}, 0x0, 0x0, 0xffffffffffffffff, 0x0) ioctl$KVM_CREATE_VM(0xffffffffffffffff, 0xae01, 0x0) pipe2$9p(&(0x7f0000000000)={0xffffffffffffffff, 0xffffffffffffffff}, 0x0) write$P9_RLERRORu(r1, &(0x7f0000000080)=ANY=[@ANYBLOB="1400000007ffff0700"], 0x9) mkdir(&(0x7f0000000440)='./file0\x00', 0x0) mount$9p_fd(0x0, &(0x7f00000005c0)='./file0\x00', &(0x7f0000000600)='9p\x00', 0x0, &(0x7f0000000640)={'trans=fd,', {'rfdno', 0x3d, r0}, 0x2c, {'wfdno', 0x3d, r1}, 0x2c, {[{@version_9p2000='version=9p2000', 0x2c}], 0x400000000000000}}) 03:39:07 executing program 0: perf_event_open(&(0x7f0000000180)={0x2, 0x70, 0x3e5}, 0x0, 0x0, 0xffffffffffffffff, 0x0) r0 = socket$inet_udp(0x2, 0x2, 0x0) sendto$inet(r0, &(0x7f0000000000), 0x0, 0x400c000, &(0x7f000083b000)={0x2, 0x4e20}, 0x10) r1 = syz_open_procfs(0x0, &(0x7f0000000080)='net/udp\x00') sendfile(r0, r1, &(0x7f0000000000), 0xff) 03:39:07 executing program 4: r0 = socket$nl_xfrm(0x10, 0x3, 0x6) sendmsg$nl_xfrm(r0, &(0x7f0000000400)={&(0x7f0000000040)={0x10}, 0xc, &(0x7f00000001c0)={&(0x7f0000000080)=@updpolicy={0xb8, 0x14, 0x407, 0x0, 0x0, {{@in=@loopback=0x7f000001, @in6=@ipv4={[0x0, 0x0, 0x0, 0x0, 0xf0ffffffffffff], [0xff, 0xff], @dev={0xac, 0x14, 0x14}}, 0x0, 0x0, 0x0, 0x0, 0x2}}}, 0xb8}, 0x1}, 0x0) 03:39:07 executing program 2: r0 = socket$inet6(0xa, 0x1000000000002, 0x0) ioctl(r0, 0x8912, &(0x7f0000000280)="025cc83d6d345f8f762070") syz_mount_image$btrfs(&(0x7f0000000080)='btrfs\x00', &(0x7f0000000100)='./file0\x00', 0x0, 0x1, &(0x7f0000000200)=[{&(0x7f0000000500)="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", 0x116, 0x10000}], 0x0, &(0x7f0000000240)) [ 1449.150267] netlink: 65362 bytes leftover after parsing attributes in process `syz-executor7'. [ 1449.159093] openvswitch: netlink: ufid size 94 bytes exceeds the range (1, 16) [ 1449.166489] openvswitch: netlink: Flow set message rejected, Key attribute missing. [ 1449.189500] 9pnet: p9_errstr2errno: server reported unknown error  [ 1449.211415] netlink: 104 bytes leftover after parsing attributes in process `syz-executor4'. [ 1449.221752] BTRFS error (device loop2): open_ctree failed [ 1449.250274] print_req_error: I/O error, dev loop1, sector 128 03:39:07 executing program 0: perf_event_open(&(0x7f0000000180)={0x2, 0x70, 0x3e5}, 0x0, 0x0, 0xffffffffffffffff, 0x0) r0 = socket$inet_udp(0x2, 0x2, 0x0) sendto$inet(r0, &(0x7f0000000000), 0x0, 0x400c000, &(0x7f000083b000)={0x2, 0x4e20}, 0x10) r1 = syz_open_procfs(0x0, &(0x7f0000000080)='net/udp\x00') sendfile(r0, r1, &(0x7f0000000000)=0x4800000000000000, 0xff) [ 1449.261282] BTRFS error (device loop2): unsupported checksum algorithm 3786 [ 1449.268502] BTRFS error (device loop2): superblock checksum mismatch [ 1449.291211] BTRFS error (device loop2): open_ctree failed 03:39:08 executing program 5: mkdir(&(0x7f0000000040)="e91f7189591e9233614b00", 0x0) openat(0xffffffffffffff9c, &(0x7f0000000000)="e91f7189591e9233614b00", 0x5a5880, 0xf0) 03:39:08 executing program 1: r0 = socket$inet6(0xa, 0x1000000000002, 0x0) ioctl(r0, 0x8912, &(0x7f0000000280)="025cc83d6d345f8f762070") syz_mount_image$btrfs(&(0x7f0000000080)='btrfs\x00', &(0x7f0000000100)='./file0\x00', 0x0, 0x1, &(0x7f0000000200)=[{&(0x7f0000000500)="8da4363a00000000000000b40000004d01000000000000000000000000000000ecf6f2a2299748aeb81e1b00920efd9a000001000000000001000000000000005f42485266535f4dd2f873574f257e0a01e2a6a02f5e071383fa5a669a53f2fe9eb4eb7918628af41b", 0x69, 0x10000}], 0x0, &(0x7f0000000240)) 03:39:08 executing program 4: r0 = socket$nl_xfrm(0x10, 0x3, 0x6) sendmsg$nl_xfrm(r0, &(0x7f0000000400)={&(0x7f0000000040)={0x10}, 0xc, &(0x7f00000001c0)={&(0x7f0000000080)=@updpolicy={0xb8, 0x14, 0x407, 0x0, 0x0, {{@in=@loopback=0x7f000001, @in6=@ipv4={[0x0, 0x0, 0x0, 0x0, 0x300], [0xff, 0xff], @dev={0xac, 0x14, 0x14}}, 0x0, 0x0, 0x0, 0x0, 0x2}}}, 0xb8}, 0x1}, 0x0) 03:39:08 executing program 6: perf_event_open(&(0x7f0000000180)={0x2, 0x70, 0x3e5}, 0x0, 0x0, 0xffffffffffffffff, 0x0) ioctl$KVM_CREATE_VM(0xffffffffffffffff, 0xae01, 0x0) pipe2$9p(&(0x7f0000000000)={0xffffffffffffffff, 0xffffffffffffffff}, 0x0) write$P9_RLERRORu(r1, &(0x7f0000000080)=ANY=[@ANYBLOB="1400000007ffff0700"], 0x9) mkdir(&(0x7f0000000440)='./file0\x00', 0x0) mount$9p_fd(0x0, &(0x7f00000005c0)='./file0\x00', &(0x7f0000000600)='9p\x00', 0x0, &(0x7f0000000640)={'trans=fd,', {'rfdno', 0x3d, r0}, 0x2c, {'wfdno', 0x3d, r1}, 0x2c, {[{@version_9p2000='version=9p2000', 0x2c}], 0x3f000000}}) 03:39:08 executing program 7: sendmsg$IPVS_CMD_FLUSH(0xffffffffffffffff, &(0x7f0000000340)={&(0x7f0000000100)={0x10}, 0xc, &(0x7f00000002c0)={&(0x7f00000001c0)=ANY=[@ANYBLOB='P\x00\x00\x00', @ANYBLOB="00000000000000000000110000002800030014000200697064647030000000000000000000000800040000000000080001000000000014000100080009000000000008005f50e2470000"], 0x2}, 0x1}, 0x0) r0 = socket$nl_generic(0x10, 0x3, 0x10) sendmsg$nl_generic(r0, &(0x7f00003cefe4)={&(0x7f0000000300)={0x10, 0x36200}, 0xc, &(0x7f0000007ff0)={&(0x7f0000000180)={0xffce, 0x2e, 0x6fd, 0x0, 0x0, {0x2004}, [@nested={0xc, 0x0, [@typed={0x62, 0x9, @ipv4}]}]}, 0xffce}, 0x1, 0x500000000000000}, 0x0) 03:39:08 executing program 0: perf_event_open(&(0x7f0000000180)={0x2, 0x70, 0x3e5}, 0x0, 0x0, 0xffffffffffffffff, 0x0) r0 = socket$inet_udp(0x2, 0x2, 0x0) sendto$inet(r0, &(0x7f0000000000), 0x0, 0x400c000, &(0x7f000083b000)={0x2, 0x4e20}, 0x10) r1 = syz_open_procfs(0x0, &(0x7f0000000080)='net/udp\x00') sendfile(r0, r1, &(0x7f0000000000)=0xa00000000000000, 0xff) [ 1449.319036] BTRFS error (device loop2): unsupported checksum algorithm 3786 [ 1449.326187] BTRFS error (device loop2): superblock checksum mismatch [ 1449.333027] BTRFS error (device loop2): open_ctree failed 03:39:08 executing program 4: r0 = socket$nl_xfrm(0x10, 0x3, 0x6) sendmsg$nl_xfrm(r0, &(0x7f0000000400)={&(0x7f0000000040)={0x10}, 0xc, &(0x7f00000001c0)={&(0x7f0000000080)=@updpolicy={0xb8, 0x14, 0x407, 0x0, 0x0, {{@in=@loopback=0x7f000001, @in6=@ipv4={[0x0, 0x0, 0x0, 0x0, 0xfffffffffffff000], [0xff, 0xff], @dev={0xac, 0x14, 0x14}}, 0x0, 0x0, 0x0, 0x0, 0x2}}}, 0xb8}, 0x1}, 0x0) [ 1449.360467] netlink: 104 bytes leftover after parsing attributes in process `syz-executor4'. [ 1449.374847] netlink: 65362 bytes leftover after parsing attributes in process `syz-executor7'. [ 1449.377743] 9pnet: p9_errstr2errno: server reported unknown error  [ 1449.383776] openvswitch: netlink: ufid size 94 bytes exceeds the range (1, 16) [ 1449.397503] openvswitch: netlink: Flow set message rejected, Key attribute missing. 03:39:08 executing program 2: r0 = socket$inet6(0xa, 0x1000000000002, 0x0) ioctl(r0, 0x8912, &(0x7f0000000280)="025cc83d6d345f8f762070") syz_mount_image$btrfs(&(0x7f0000000080)='btrfs\x00', &(0x7f0000000100)='./file0\x00', 0x0, 0x1, &(0x7f0000000200)=[{&(0x7f0000000500)="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", 0x116, 0x10000}], 0x0, &(0x7f0000000240)) 03:39:08 executing program 5: r0 = socket$nl_xfrm(0x10, 0x3, 0x6) sendmsg$nl_xfrm(r0, &(0x7f0000000400)={&(0x7f0000000040)={0x10}, 0xc, &(0x7f00000001c0)={&(0x7f0000000080)=@updpolicy={0xb8, 0x14, 0x407, 0x0, 0x0, {{@in=@loopback=0xff010000, @in6=@ipv4={[], [0xff, 0xff], @dev={0xac, 0x14, 0x14}}, 0x0, 0x0, 0x0, 0x0, 0x2}}}, 0xb8}, 0x1}, 0x0) 03:39:08 executing program 0: perf_event_open(&(0x7f0000000180)={0x2, 0x70, 0x3e5}, 0x0, 0x0, 0xffffffffffffffff, 0x0) r0 = socket$inet_udp(0x2, 0x2, 0x0) sendto$inet(r0, &(0x7f0000000000), 0x0, 0x400c000, &(0x7f000083b000)={0x2, 0x4e20}, 0x10) r1 = syz_open_procfs(0x0, &(0x7f0000000080)='net/udp\x00') sendfile(r0, r1, &(0x7f0000000000)=0x6800, 0xff) [ 1449.432151] 9pnet: p9_errstr2errno: server reported unknown error  [ 1449.481522] BTRFS error (device loop2): unsupported checksum algorithm 3786 [ 1449.488737] BTRFS error (device loop2): superblock checksum mismatch [ 1449.509491] BTRFS error (device loop2): open_ctree failed [ 1449.546925] BTRFS error (device loop2): unsupported checksum algorithm 3786 [ 1449.554116] BTRFS error (device loop2): superblock checksum mismatch [ 1449.561205] BTRFS error (device loop2): open_ctree failed 03:39:08 executing program 6: perf_event_open(&(0x7f0000000180)={0x2, 0x70, 0x3e5}, 0x0, 0x0, 0xffffffffffffffff, 0x0) ioctl$KVM_CREATE_VM(0xffffffffffffffff, 0xae01, 0x0) pipe2$9p(&(0x7f0000000000)={0xffffffffffffffff, 0xffffffffffffffff}, 0x0) write$P9_RLERRORu(r1, &(0x7f0000000080)=ANY=[@ANYBLOB="1400000007ffff0700"], 0x9) mkdir(&(0x7f0000000440)='./file0\x00', 0x0) mount$9p_fd(0x0, &(0x7f00000005c0)='./file0\x00', &(0x7f0000000600)='9p\x00', 0x0, &(0x7f0000000640)={'trans=fd,', {'rfdno', 0x3d, r0}, 0x2c, {'wfdno', 0x3d, r1}, 0x2c, {[{@version_9p2000='version=9p2000', 0x2c}], 0x700}}) 03:39:08 executing program 1: r0 = socket$inet6(0xa, 0x1000000000002, 0x0) ioctl(r0, 0x8912, &(0x7f0000000280)="025cc83d6d345f8f762070") syz_mount_image$btrfs(&(0x7f0000000080)='btrfs\x00', &(0x7f0000000100)='./file0\x00', 0x0, 0x1, &(0x7f0000000200)=[{&(0x7f0000000500)="8da4363a00000000fff400000000004d01000000000000000000000000000000ecf6f2a2299748aeb81e1b00920efd9a000001000000000001000000000000005f42485266535f4dd2f873574f257e0a01e2a6a02f5e071383fa5a669a53f2fe9eb4eb7918628af41b", 0x69, 0x10000}], 0x0, &(0x7f0000000240)) 03:39:08 executing program 4: r0 = socket$nl_xfrm(0x10, 0x3, 0x6) sendmsg$nl_xfrm(r0, &(0x7f0000000400)={&(0x7f0000000040)={0x10}, 0xc, &(0x7f00000001c0)={&(0x7f0000000080)=@updpolicy={0xb8, 0x14, 0x407, 0x0, 0x0, {{@in=@loopback=0x7f000001, @in6=@ipv4={[0x0, 0x0, 0x0, 0x0, 0x34000], [0xff, 0xff], @dev={0xac, 0x14, 0x14}}, 0x0, 0x0, 0x0, 0x0, 0x2}}}, 0xb8}, 0x1}, 0x0) 03:39:08 executing program 3: r0 = socket$inet(0x2, 0x4000000000000001, 0x0) setsockopt$inet_tcp_TCP_CONGESTION(r0, 0x6, 0xd, &(0x7f0000000140)='nv\x00', 0x3) sendto$inet(r0, &(0x7f0000a88f88), 0xfffffffffffffe6e, 0x20000000, &(0x7f0000e68000)={0x2, 0x0, @local={0xac, 0x14, 0x14, 0xaa}, [0x0, 0x4002]}, 0x10) shutdown(r0, 0x0) 03:39:08 executing program 0: perf_event_open(&(0x7f0000000180)={0x2, 0x70, 0x3e5}, 0x0, 0x0, 0xffffffffffffffff, 0x0) r0 = socket$inet_udp(0x2, 0x2, 0x0) sendto$inet(r0, &(0x7f0000000000), 0x0, 0x400c000, &(0x7f000083b000)={0x2, 0x4e20}, 0x10) r1 = syz_open_procfs(0x0, &(0x7f0000000080)='net/udp\x00') sendfile(r0, r1, &(0x7f0000000000)=0x68, 0xff) 03:39:08 executing program 7: sendmsg$IPVS_CMD_FLUSH(0xffffffffffffffff, &(0x7f0000000340)={&(0x7f0000000100)={0x10}, 0xc, &(0x7f00000002c0)={&(0x7f00000001c0)=ANY=[@ANYBLOB='P\x00\x00\x00', @ANYBLOB="00000000000000000000110000002800030014000200697064647030000000000000000000000800040000000000080001000000000014000100080009000000000008005f50e2470000"], 0x2}, 0x1}, 0x0) r0 = socket$nl_generic(0x10, 0x3, 0x10) sendmsg$nl_generic(r0, &(0x7f00003cefe4)={&(0x7f0000000300)={0x10, 0x36200}, 0xc, &(0x7f0000007ff0)={&(0x7f0000000180)={0xffce, 0x2e, 0x6fd, 0x0, 0x0, {0x2004}, [@nested={0xc, 0x0, [@typed={0x62, 0x9, @ipv4}]}]}, 0xffce}, 0x1, 0x200000000000000}, 0x0) 03:39:08 executing program 5: r0 = socket$netlink(0x10, 0x3, 0x0) writev(r0, &(0x7f0000000100)=[{&(0x7f00000000c0)="390000001300094700bb61e1c3e4ffff06000000020000004500000020699e00190029000d0000000000280f00000007fd17e9ffff06060400", 0x39}], 0x1) 03:39:08 executing program 2: r0 = socket$inet6(0xa, 0x1000000000002, 0x0) ioctl(r0, 0x8912, &(0x7f0000000280)="025cc83d6d345f8f762070") syz_mount_image$btrfs(&(0x7f0000000080)='btrfs\x00', &(0x7f0000000100)='./file0\x00', 0x0, 0x1, &(0x7f0000000200)=[{&(0x7f0000000500)="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", 0x116, 0x10000}], 0x0, &(0x7f0000000240)) [ 1450.097077] 9pnet: p9_errstr2errno: server reported unknown error  [ 1450.099416] netlink: 'syz-executor5': attribute type 41 has an invalid length. [ 1450.133007] 9pnet: p9_errstr2errno: server reported unknown error  [ 1450.139609] BTRFS error (device loop2): unsupported checksum algorithm 3786 03:39:08 executing program 1: r0 = socket$inet6(0xa, 0x1000000000002, 0x0) ioctl(r0, 0x8912, &(0x7f0000000280)="025cc83d6d345f8f762070") syz_mount_image$btrfs(&(0x7f0000000080)='btrfs\x00', &(0x7f0000000100)='./file0\x00', 0x0, 0x1, &(0x7f0000000200)=[{&(0x7f0000000500)="8da4363a00000000004000000000004d01000000000000000000000000000000ecf6f2a2299748aeb81e1b00920efd9a000001000000000001000000000000005f42485266535f4dd2f873574f257e0a01e2a6a02f5e071383fa5a669a53f2fe9eb4eb7918628af41b", 0x69, 0x10000}], 0x0, &(0x7f0000000240)) 03:39:08 executing program 4: r0 = socket$nl_xfrm(0x10, 0x3, 0x6) sendmsg$nl_xfrm(r0, &(0x7f0000000400)={&(0x7f0000000040)={0x10}, 0xc, &(0x7f00000001c0)={&(0x7f0000000080)=@updpolicy={0xb8, 0x14, 0x407, 0x0, 0x0, {{@in=@loopback=0x7f000001, @in6=@ipv4={[0x0, 0x0, 0x0, 0x0, 0xffffff9e], [0xff, 0xff], @dev={0xac, 0x14, 0x14}}, 0x0, 0x0, 0x0, 0x0, 0x2}}}, 0xb8}, 0x1}, 0x0) 03:39:08 executing program 7: sendmsg$IPVS_CMD_FLUSH(0xffffffffffffffff, &(0x7f0000000340)={&(0x7f0000000100)={0x10}, 0xc, &(0x7f00000002c0)={&(0x7f00000001c0)=ANY=[@ANYBLOB='P\x00\x00\x00', @ANYBLOB="00000000000000000000110000002800030014000200697064647030000000000000000000000800040000000000080001000000000014000100080009000000000008005f50e2470000"], 0x2}, 0x1}, 0x0) r0 = socket$nl_generic(0x10, 0x3, 0x10) sendmsg$nl_generic(r0, &(0x7f00003cefe4)={&(0x7f0000000300)={0x10, 0x36200}, 0xc, &(0x7f0000007ff0)={&(0x7f0000000180)={0xffce, 0x2e, 0x6fd, 0x0, 0x0, {0x2004}, [@nested={0xc, 0x0, [@typed={0x62, 0x9, @ipv4}]}]}, 0xffce}, 0x1, 0x9effffff}, 0x0) 03:39:08 executing program 0: perf_event_open(&(0x7f0000000180)={0x2, 0x70, 0x3e5}, 0x0, 0x0, 0xffffffffffffffff, 0x0) r0 = socket$inet_udp(0x2, 0x2, 0x0) sendto$inet(r0, &(0x7f0000000000), 0x0, 0x400c000, &(0x7f000083b000)={0x2, 0x4e20}, 0x10) r1 = syz_open_procfs(0x0, &(0x7f0000000080)='net/udp\x00') sendfile(r0, r1, &(0x7f0000000000)=0x1000000000000000, 0xff) 03:39:08 executing program 6: perf_event_open(&(0x7f0000000180)={0x2, 0x70, 0x3e5}, 0x0, 0x0, 0xffffffffffffffff, 0x0) ioctl$KVM_CREATE_VM(0xffffffffffffffff, 0xae01, 0x0) pipe2$9p(&(0x7f0000000000)={0xffffffffffffffff, 0xffffffffffffffff}, 0x0) write$P9_RLERRORu(r1, &(0x7f0000000080)=ANY=[@ANYBLOB="1400000007ffff0700"], 0x9) mkdir(&(0x7f0000000440)='./file0\x00', 0x0) mount$9p_fd(0x0, &(0x7f00000005c0)='./file0\x00', &(0x7f0000000600)='9p\x00', 0x0, &(0x7f0000000640)={'trans=fd,', {'rfdno', 0x3d, r0}, 0x2c, {'wfdno', 0x3d, r1}, 0x2c, {[{@version_9p2000='version=9p2000', 0x2c}], 0xff00}}) [ 1450.146795] BTRFS error (device loop2): superblock checksum mismatch 03:39:08 executing program 5: r0 = socket$unix(0x1, 0x1, 0x0) bind$unix(r0, &(0x7f0000003000)=@file={0x1, "e91f7189591e9233614b00"}, 0x6e) sendto$unix(r0, &(0x7f0000000100), 0x0, 0x0, &(0x7f0000000040)=@file={0x1, "e91f7189591e9233614b00"}, 0x6e) 03:39:08 executing program 4: r0 = socket$nl_xfrm(0x10, 0x3, 0x6) sendmsg$nl_xfrm(r0, &(0x7f0000000400)={&(0x7f0000000040)={0x10}, 0xc, &(0x7f00000001c0)={&(0x7f0000000080)=@updpolicy={0xb8, 0x14, 0x407, 0x0, 0x0, {{@in=@loopback=0x7f000001, @in6=@ipv4={[0x0, 0x0, 0x0, 0x0, 0xf0ffffff00000000], [0xff, 0xff], @dev={0xac, 0x14, 0x14}}, 0x0, 0x0, 0x0, 0x0, 0x2}}}, 0xb8}, 0x1}, 0x0) [ 1450.199876] BTRFS error (device loop2): open_ctree failed [ 1450.224853] BTRFS error (device loop2): unsupported checksum algorithm 3786 [ 1450.232074] BTRFS error (device loop2): superblock checksum mismatch [ 1450.240172] 9pnet: p9_errstr2errno: server reported unknown error  03:39:08 executing program 5: r0 = socket$inet6_udp(0xa, 0x2, 0x0) fchmod(r0, 0x0) mmap(&(0x7f0000000000/0xe7e000)=nil, 0xe7e000, 0x4, 0x400000031, 0xffffffffffffffff, 0x0) r1 = eventfd2(0x0, 0x0) write$eventfd(r1, &(0x7f0000000140), 0x8) 03:39:08 executing program 2: r0 = socket$inet6(0xa, 0x1000000000002, 0x0) ioctl(r0, 0x8912, &(0x7f0000000280)="025cc83d6d345f8f762070") syz_mount_image$btrfs(&(0x7f0000000080)='btrfs\x00', &(0x7f0000000100)='./file0\x00', 0x0, 0x1, &(0x7f0000000200)=[{&(0x7f0000000500)="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", 0x116, 0x10000}], 0x0, &(0x7f0000000240)) 03:39:08 executing program 6: perf_event_open(&(0x7f0000000180)={0x2, 0x70, 0x3e5}, 0x0, 0x0, 0xffffffffffffffff, 0x0) ioctl$KVM_CREATE_VM(0xffffffffffffffff, 0xae01, 0x0) pipe2$9p(&(0x7f0000000000)={0xffffffffffffffff, 0xffffffffffffffff}, 0x0) write$P9_RLERRORu(r1, &(0x7f0000000080)=ANY=[@ANYBLOB="1400000007ffff0700"], 0x9) mkdir(&(0x7f0000000440)='./file0\x00', 0x0) mount$9p_fd(0x0, &(0x7f00000005c0)='./file0\x00', &(0x7f0000000600)='9p\x00', 0x0, &(0x7f0000000640)={'trans=fd,', {'rfdno', 0x3d, r0}, 0x2c, {'wfdno', 0x3d, r1}, 0x2c, {[{@version_9p2000='version=9p2000', 0x2c}], 0x3}}) 03:39:08 executing program 7: sendmsg$IPVS_CMD_FLUSH(0xffffffffffffffff, &(0x7f0000000340)={&(0x7f0000000100)={0x10}, 0xc, &(0x7f00000002c0)={&(0x7f00000001c0)=ANY=[@ANYBLOB='P\x00\x00\x00', @ANYBLOB="00000000000000000000110000002800030014000200697064647030000000000000000000000800040000000000080001000000000014000100080009000000000008005f50e2470000"], 0x2}, 0x1}, 0x0) r0 = socket$nl_generic(0x10, 0x3, 0x10) sendmsg$nl_generic(r0, &(0x7f00003cefe4)={&(0x7f0000000300)={0x10, 0x36200}, 0xc, &(0x7f0000007ff0)={&(0x7f0000000180)={0xffce, 0x2e, 0x6fd, 0x0, 0x0, {0x2004}, [@nested={0xc, 0x0, [@typed={0x62, 0x9, @ipv4}]}]}, 0xffce}, 0x1, 0x7a00}, 0x0) [ 1450.267445] BTRFS error (device loop2): open_ctree failed [ 1450.342111] 9pnet: p9_errstr2errno: server reported unknown error  [ 1450.360318] BTRFS error (device loop2): unsupported checksum algorithm 3786 [ 1450.367536] BTRFS error (device loop2): superblock checksum mismatch [ 1450.368081] 9pnet: p9_errstr2errno: server reported unknown error  [ 1450.394969] BTRFS error (device loop2): open_ctree failed [ 1450.413164] BTRFS error (device loop2): unsupported checksum algorithm 3786 [ 1450.420368] BTRFS error (device loop2): superblock checksum mismatch [ 1450.427621] BTRFS error (device loop2): open_ctree failed 03:39:09 executing program 3: r0 = socket$inet(0x2, 0x4000000000000001, 0x0) setsockopt$inet_tcp_TCP_CONGESTION(r0, 0x6, 0xd, &(0x7f0000000140)='nv\x00', 0x3) sendto$inet(r0, &(0x7f0000a88f88), 0xfffffffffffffe6e, 0x20000000, &(0x7f0000e68000)={0x2, 0x0, @local={0xac, 0x14, 0x14, 0xaa}, [0x0, 0xfeffffff00000000]}, 0x10) shutdown(r0, 0x0) 03:39:09 executing program 0: perf_event_open(&(0x7f0000000180)={0x2, 0x70, 0x3e5}, 0x0, 0x0, 0xffffffffffffffff, 0x0) r0 = socket$inet_udp(0x2, 0x2, 0x0) sendto$inet(r0, &(0x7f0000000000), 0x0, 0x400c000, &(0x7f000083b000)={0x2, 0x4e20}, 0x10) r1 = syz_open_procfs(0x0, &(0x7f0000000080)='net/udp\x00') sendfile(r0, r1, &(0x7f0000000000)=0x6c00000000000000, 0xff) 03:39:09 executing program 4: r0 = socket$nl_xfrm(0x10, 0x3, 0x6) sendmsg$nl_xfrm(r0, &(0x7f0000000400)={&(0x7f0000000040)={0x10}, 0xc, &(0x7f00000001c0)={&(0x7f0000000080)=@updpolicy={0xb8, 0x14, 0x407, 0x0, 0x0, {{@in=@loopback=0x7f000001, @in6=@ipv4={[0x0, 0x0, 0x0, 0x0, 0x40030000000000], [0xff, 0xff], @dev={0xac, 0x14, 0x14}}, 0x0, 0x0, 0x0, 0x0, 0x2}}}, 0xb8}, 0x1}, 0x0) 03:39:09 executing program 1: r0 = socket$inet6(0xa, 0x1000000000002, 0x0) ioctl(r0, 0x8912, &(0x7f0000000280)="025cc83d6d345f8f762070") syz_mount_image$btrfs(&(0x7f0000000080)='btrfs\x00', &(0x7f0000000100)='./file0\x00', 0x0, 0x1, &(0x7f0000000200)=[{&(0x7f0000000500)="8da4363a00000000000000060000004d01000000000000000000000000000000ecf6f2a2299748aeb81e1b00920efd9a000001000000000001000000000000005f42485266535f4dd2f873574f257e0a01e2a6a02f5e071383fa5a669a53f2fe9eb4eb7918628af41b", 0x69, 0x10000}], 0x0, &(0x7f0000000240)) 03:39:09 executing program 5: r0 = socket$inet6(0xa, 0x202000000802, 0x0) setsockopt$inet6_IPV6_FLOWLABEL_MGR(r0, 0x29, 0x20, &(0x7f0000f68000)={@loopback={0x0, 0x1}, 0x800, 0x0, 0x1, 0x3}, 0x20) 03:39:09 executing program 7: sendmsg$IPVS_CMD_FLUSH(0xffffffffffffffff, &(0x7f0000000340)={&(0x7f0000000100)={0x10}, 0xc, &(0x7f00000002c0)={&(0x7f00000001c0)=ANY=[@ANYBLOB='P\x00\x00\x00', @ANYBLOB="00000000000000000000110000002800030014000200697064647030000000000000000000000800040000000000080001000000000014000100080009000000000008005f50e2470000"], 0x2}, 0x1}, 0x0) r0 = socket$nl_generic(0x10, 0x3, 0x10) sendmsg$nl_generic(r0, &(0x7f00003cefe4)={&(0x7f0000000300)={0x10, 0x36200}, 0xc, &(0x7f0000007ff0)={&(0x7f0000000180)={0xffce, 0x2e, 0x6fd, 0x0, 0x0, {0x2004}, [@nested={0xc, 0x0, [@typed={0x62, 0x9, @ipv4}]}]}, 0xffce}, 0x1, 0xf00}, 0x0) 03:39:09 executing program 6: perf_event_open(&(0x7f0000000180)={0x2, 0x70, 0x3e5}, 0x0, 0x0, 0xffffffffffffffff, 0x0) ioctl$KVM_CREATE_VM(0xffffffffffffffff, 0xae01, 0x0) pipe2$9p(&(0x7f0000000000)={0xffffffffffffffff, 0xffffffffffffffff}, 0x0) write$P9_RLERRORu(r1, &(0x7f0000000080)=ANY=[@ANYBLOB="1400000007ffff0700"], 0x9) mkdir(&(0x7f0000000440)='./file0\x00', 0x0) mount$9p_fd(0x0, &(0x7f00000005c0)='./file0\x00', &(0x7f0000000600)='9p\x00', 0x0, &(0x7f0000000640)={'trans=fd,', {'rfdno', 0x3d, r0}, 0x2c, {'wfdno', 0x3d, r1}, 0x2c, {[{@version_9p2000='version=9p2000', 0x2c}], 0x7}}) 03:39:09 executing program 2: r0 = socket$inet6(0xa, 0x1000000000002, 0x0) ioctl(r0, 0x8912, &(0x7f0000000280)="025cc83d6d345f8f762070") syz_mount_image$btrfs(&(0x7f0000000080)='btrfs\x00', &(0x7f0000000100)='./file0\x00', 0x0, 0x1, &(0x7f0000000200)=[{&(0x7f0000000500)="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", 0x116, 0x10000}], 0x0, &(0x7f0000000240)) 03:39:09 executing program 4: r0 = socket$nl_xfrm(0x10, 0x3, 0x6) sendmsg$nl_xfrm(r0, &(0x7f0000000400)={&(0x7f0000000040)={0x10}, 0xc, &(0x7f00000001c0)={&(0x7f0000000080)=@updpolicy={0xb8, 0x14, 0x407, 0x0, 0x0, {{@in=@loopback=0x7f000001, @in6=@ipv4={[0x0, 0x0, 0x0, 0x0, 0x9effffff00000000], [0xff, 0xff], @dev={0xac, 0x14, 0x14}}, 0x0, 0x0, 0x0, 0x0, 0x2}}}, 0xb8}, 0x1}, 0x0) [ 1451.039712] 9pnet: p9_errstr2errno: server reported unknown error  [ 1451.064222] BTRFS error (device loop2): unsupported checksum algorithm 3786 [ 1451.071425] BTRFS error (device loop2): superblock checksum mismatch 03:39:09 executing program 0: perf_event_open(&(0x7f0000000180)={0x2, 0x70, 0x3e5}, 0x0, 0x0, 0xffffffffffffffff, 0x0) r0 = socket$inet_udp(0x2, 0x2, 0x0) sendto$inet(r0, &(0x7f0000000000), 0x0, 0x400c000, &(0x7f000083b000)={0x2, 0x4e20}, 0x10) r1 = syz_open_procfs(0x0, &(0x7f0000000080)='net/udp\x00') sendfile(r0, r1, &(0x7f0000000000)=0xa000000, 0xff) 03:39:09 executing program 5: r0 = socket$inet6(0xa, 0x1000000000002, 0x0) ioctl(r0, 0x8912, &(0x7f0000000280)="025cc83d6d345f8f762070") mmap(&(0x7f0000011000/0x3000)=nil, 0x3000, 0x4, 0x32, 0xffffffffffffffff, 0x0) r1 = userfaultfd(0x0) ioctl$UFFDIO_API(r1, 0xc018aa3f, &(0x7f0000000040)={0xaa}) ioctl$UFFDIO_REGISTER(r1, 0xc020aa00, &(0x7f0000001fe2)={{&(0x7f0000011000/0x3000)=nil, 0x3000}, 0x1}) r2 = socket$inet6_sctp(0xa, 0x5, 0x84) setsockopt$inet_sctp6_SCTP_DISABLE_FRAGMENTS(r2, 0x84, 0x8, &(0x7f0000013e95), 0x4) getsockopt$inet_sctp6_SCTP_DEFAULT_PRINFO(r2, 0x84, 0x72, &(0x7f0000000140), &(0x7f0000000180)=0xc) close(r2) close(r1) 03:39:09 executing program 7: sendmsg$IPVS_CMD_FLUSH(0xffffffffffffffff, &(0x7f0000000340)={&(0x7f0000000100)={0x10}, 0xc, &(0x7f00000002c0)={&(0x7f00000001c0)=ANY=[@ANYBLOB='P\x00\x00\x00', @ANYBLOB="00000000000000000000110000002800030014000200697064647030000000000000000000000800040000000000080001000000000014000100080009000000000008005f50e2470000"], 0x2}, 0x1}, 0x0) r0 = socket$nl_generic(0x10, 0x3, 0x10) sendmsg$nl_generic(r0, &(0x7f00003cefe4)={&(0x7f0000000300)={0x10, 0x36200}, 0xc, &(0x7f0000007ff0)={&(0x7f0000000180)={0xffce, 0x2e, 0x6fd, 0x0, 0x0, {0x2004}, [@nested={0xc, 0x0, [@typed={0x62, 0x9, @ipv4}]}]}, 0xffce}, 0x1, 0x4800}, 0x0) 03:39:09 executing program 4: r0 = socket$nl_xfrm(0x10, 0x3, 0x6) sendmsg$nl_xfrm(r0, &(0x7f0000000400)={&(0x7f0000000040)={0x10}, 0xc, &(0x7f00000001c0)={&(0x7f0000000080)=@updpolicy={0xb8, 0x14, 0x407, 0x0, 0x0, {{@in=@loopback=0x7f000001, @in6=@ipv4={[0x0, 0x0, 0x0, 0x0, 0x400300], [0xff, 0xff], @dev={0xac, 0x14, 0x14}}, 0x0, 0x0, 0x0, 0x0, 0x2}}}, 0xb8}, 0x1}, 0x0) 03:39:09 executing program 6: perf_event_open(&(0x7f0000000180)={0x2, 0x70, 0x3e5}, 0x0, 0x0, 0xffffffffffffffff, 0x0) ioctl$KVM_CREATE_VM(0xffffffffffffffff, 0xae01, 0x0) pipe2$9p(&(0x7f0000000000)={0xffffffffffffffff, 0xffffffffffffffff}, 0x0) write$P9_RLERRORu(r1, &(0x7f0000000080)=ANY=[@ANYBLOB="1400000007ffff0700"], 0x9) mkdir(&(0x7f0000000440)='./file0\x00', 0x0) mount$9p_fd(0x0, &(0x7f00000005c0)='./file0\x00', &(0x7f0000000600)='9p\x00', 0x0, &(0x7f0000000640)={'trans=fd,', {'rfdno', 0x3d, r0}, 0x2c, {'wfdno', 0x3d, r1}, 0x2c, {[{@version_9p2000='version=9p2000', 0x2c}], 0x1000000000000000}}) [ 1451.089312] 9pnet: p9_errstr2errno: server reported unknown error  [ 1451.096273] BTRFS error (device loop2): open_ctree failed [ 1451.125713] BTRFS error (device loop2): unsupported checksum algorithm 3786 [ 1451.132960] BTRFS error (device loop2): superblock checksum mismatch 03:39:09 executing program 7: sendmsg$IPVS_CMD_FLUSH(0xffffffffffffffff, &(0x7f0000000340)={&(0x7f0000000100)={0x10}, 0xc, &(0x7f00000002c0)={&(0x7f00000001c0)=ANY=[@ANYBLOB='P\x00\x00\x00', @ANYBLOB="00000000000000000000110000002800030014000200697064647030000000000000000000000800040000000000080001000000000014000100080009000000000008005f50e2470000"], 0x2}, 0x1}, 0x0) r0 = socket$nl_generic(0x10, 0x3, 0x10) sendmsg$nl_generic(r0, &(0x7f00003cefe4)={&(0x7f0000000300)={0x10, 0x36200}, 0xc, &(0x7f0000007ff0)={&(0x7f0000000180)={0xffce, 0x2e, 0x6fd, 0x0, 0x0, {0x2004}, [@nested={0xc, 0x0, [@typed={0x62, 0x9, @ipv4}]}]}, 0xffce}, 0x1, 0x2}, 0x0) 03:39:09 executing program 2: r0 = socket$inet6(0xa, 0x1000000000002, 0x0) ioctl(r0, 0x8912, &(0x7f0000000280)="025cc83d6d345f8f762070") syz_mount_image$btrfs(&(0x7f0000000080)='btrfs\x00', &(0x7f0000000100)='./file0\x00', 0x0, 0x1, &(0x7f0000000200)=[{&(0x7f0000000500)="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", 0x116, 0x10000}], 0x0, &(0x7f0000000240)) [ 1451.165661] BTRFS error (device loop2): open_ctree failed [ 1451.201337] 9pnet: p9_errstr2errno: server reported unknown error  [ 1451.227944] BTRFS error (device loop2): unsupported checksum algorithm 3786 [ 1451.235143] BTRFS error (device loop2): superblock checksum mismatch [ 1451.244673] BTRFS error (device loop2): open_ctree failed [ 1451.245070] 9pnet: p9_errstr2errno: server reported unknown error  [ 1451.273578] BTRFS error (device loop2): unsupported checksum algorithm 3786 [ 1451.281655] BTRFS error (device loop2): superblock checksum mismatch [ 1451.289012] BTRFS error (device loop2): open_ctree failed 03:39:10 executing program 3: r0 = socket$inet(0x2, 0x4000000000000001, 0x0) setsockopt$inet_tcp_TCP_CONGESTION(r0, 0x6, 0xd, &(0x7f0000000140)='nv\x00', 0x3) sendto$inet(r0, &(0x7f0000a88f88), 0xfffffffffffffe6e, 0x20000000, &(0x7f0000e68000)={0x2, 0x0, @local={0xac, 0x14, 0x14, 0xaa}, [0x0, 0x700000000000000]}, 0x10) shutdown(r0, 0x0) 03:39:10 executing program 4: r0 = socket$nl_xfrm(0x10, 0x3, 0x6) sendmsg$nl_xfrm(r0, &(0x7f0000000400)={&(0x7f0000000040)={0x10}, 0xc, &(0x7f00000001c0)={&(0x7f0000000080)=@updpolicy={0xb8, 0x14, 0x407, 0x0, 0x0, {{@in=@loopback=0x7f000001, @in6=@ipv4={[0x0, 0x0, 0x0, 0x0, 0xf000], [0xff, 0xff], @dev={0xac, 0x14, 0x14}}, 0x0, 0x0, 0x0, 0x0, 0x2}}}, 0xb8}, 0x1}, 0x0) 03:39:10 executing program 0: perf_event_open(&(0x7f0000000180)={0x2, 0x70, 0x3e5}, 0x0, 0x0, 0xffffffffffffffff, 0x0) r0 = socket$inet_udp(0x2, 0x2, 0x0) sendto$inet(r0, &(0x7f0000000000), 0x0, 0x400c000, &(0x7f000083b000)={0x2, 0x4e20}, 0x10) r1 = syz_open_procfs(0x0, &(0x7f0000000080)='net/udp\x00') sendfile(r0, r1, &(0x7f0000000000)=0x3, 0xff) 03:39:10 executing program 1: r0 = socket$inet6(0xa, 0x1000000000002, 0x0) ioctl(r0, 0x8912, &(0x7f0000000280)="025cc83d6d345f8f762070") syz_mount_image$btrfs(&(0x7f0000000080)='btrfs\x00', &(0x7f0000000100)='./file0\x00', 0x0, 0x1, &(0x7f0000000200)=[{&(0x7f0000000500)="8da4363a000000000001151d0000004d01000000000000000000000000000000ecf6f2a2299748aeb81e1b00920efd9a000001000000000001000000000000005f42485266535f4dd2f873574f257e0a01e2a6a02f5e071383fa5a669a53f2fe9eb4eb7918628af41b", 0x69, 0x10000}], 0x0, &(0x7f0000000240)) 03:39:10 executing program 7: sendmsg$IPVS_CMD_FLUSH(0xffffffffffffffff, &(0x7f0000000340)={&(0x7f0000000100)={0x10}, 0xc, &(0x7f00000002c0)={&(0x7f00000001c0)=ANY=[@ANYBLOB='P\x00\x00\x00', @ANYBLOB="00000000000000000000110000002800030014000200697064647030000000000000000000000800040000000000080001000000000014000100080009000000000008005f50e2470000"], 0x2}, 0x1}, 0x0) r0 = socket$nl_generic(0x10, 0x3, 0x10) sendmsg$nl_generic(r0, &(0x7f00003cefe4)={&(0x7f0000000300)={0x10, 0x36200}, 0xc, &(0x7f0000007ff0)={&(0x7f0000000180)={0xffce, 0x2e, 0x6fd, 0x0, 0x0, {0x2004}, [@nested={0xc, 0x0, [@typed={0x62, 0x9, @ipv4}]}]}, 0xffce}, 0x1, 0x6c}, 0x0) 03:39:10 executing program 6: perf_event_open(&(0x7f0000000180)={0x2, 0x70, 0x3e5}, 0x0, 0x0, 0xffffffffffffffff, 0x0) ioctl$KVM_CREATE_VM(0xffffffffffffffff, 0xae01, 0x0) pipe2$9p(&(0x7f0000000000)={0xffffffffffffffff, 0xffffffffffffffff}, 0x0) write$P9_RLERRORu(r1, &(0x7f0000000080)=ANY=[@ANYBLOB="1400000007ffff0700"], 0x9) mkdir(&(0x7f0000000440)='./file0\x00', 0x0) mount$9p_fd(0x0, &(0x7f00000005c0)='./file0\x00', &(0x7f0000000600)='9p\x00', 0x0, &(0x7f0000000640)={'trans=fd,', {'rfdno', 0x3d, r0}, 0x2c, {'wfdno', 0x3d, r1}, 0x2c, {[{@version_9p2000='version=9p2000', 0x2c}], 0x500}}) 03:39:10 executing program 2: r0 = socket$inet6(0xa, 0x1000000000002, 0x0) ioctl(r0, 0x8912, &(0x7f0000000280)="025cc83d6d345f8f762070") syz_mount_image$btrfs(&(0x7f0000000080)='btrfs\x00', &(0x7f0000000100)='./file0\x00', 0x0, 0x1, &(0x7f0000000200)=[{&(0x7f0000000500)="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", 0x116, 0x10000}], 0x0, &(0x7f0000000240)) [ 1451.975992] 9pnet: p9_errstr2errno: server reported unknown error  [ 1451.996824] print_req_error: I/O error, dev loop1, sector 128 [ 1452.005341] BTRFS error (device loop2): unsupported checksum algorithm 3786 [ 1452.012529] BTRFS error (device loop2): superblock checksum mismatch 03:39:10 executing program 4: r0 = socket$nl_xfrm(0x10, 0x3, 0x6) sendmsg$nl_xfrm(r0, &(0x7f0000000400)={&(0x7f0000000040)={0x10}, 0xc, &(0x7f00000001c0)={&(0x7f0000000080)=@updpolicy={0xb8, 0x14, 0x407, 0x0, 0x0, {{@in=@loopback=0x7f000001, @in6=@ipv4={[0x0, 0x0, 0x0, 0x0, 0x3723], [0xff, 0xff], @dev={0xac, 0x14, 0x14}}, 0x0, 0x0, 0x0, 0x0, 0x2}}}, 0xb8}, 0x1}, 0x0) 03:39:10 executing program 5: perf_event_open(&(0x7f0000aaa000)={0x2, 0x70, 0x858, 0x2}, 0x0, 0x0, 0xffffffffffffffff, 0x0) r0 = gettid() r1 = syz_open_procfs(r0, &(0x7f0000000100)='loginuid\x00') sendfile(r1, r1, 0x0, 0x15da437c) 03:39:10 executing program 7: sendmsg$IPVS_CMD_FLUSH(0xffffffffffffffff, &(0x7f0000000340)={&(0x7f0000000100)={0x10}, 0xc, &(0x7f00000002c0)={&(0x7f00000001c0)=ANY=[@ANYBLOB='P\x00\x00\x00', @ANYBLOB="00000000000000000000110000002800030014000200697064647030000000000000000000000800040000000000080001000000000014000100080009000000000008005f50e2470000"], 0x2}, 0x1}, 0x0) r0 = socket$nl_generic(0x10, 0x3, 0x10) sendmsg$nl_generic(r0, &(0x7f00003cefe4)={&(0x7f0000000300)={0x10, 0x36200}, 0xc, &(0x7f0000007ff0)={&(0x7f0000000180)={0xffce, 0x2e, 0x6fd, 0x0, 0x0, {0x2004}, [@nested={0xc, 0x0, [@typed={0x62, 0x9, @ipv4}]}]}, 0xffce}, 0x1, 0x7a}, 0x0) 03:39:10 executing program 0: perf_event_open(&(0x7f0000000180)={0x2, 0x70, 0x3e5}, 0x0, 0x0, 0xffffffffffffffff, 0x0) r0 = socket$inet_udp(0x2, 0x2, 0x0) sendto$inet(r0, &(0x7f0000000000), 0x0, 0x400c000, &(0x7f000083b000)={0x2, 0x4e20}, 0x10) r1 = syz_open_procfs(0x0, &(0x7f0000000080)='net/udp\x00') sendfile(r0, r1, &(0x7f0000000000)=0x700000000000000, 0xff) [ 1452.030904] 9pnet: p9_errstr2errno: server reported unknown error  [ 1452.048810] BTRFS error (device loop2): open_ctree failed 03:39:10 executing program 4: r0 = socket$nl_xfrm(0x10, 0x3, 0x6) sendmsg$nl_xfrm(r0, &(0x7f0000000400)={&(0x7f0000000040)={0x10}, 0xc, &(0x7f00000001c0)={&(0x7f0000000080)=@updpolicy={0xb8, 0x14, 0x407, 0x0, 0x0, {{@in=@loopback=0x7f000001, @in6=@ipv4={[0x0, 0x0, 0x0, 0x0, 0xfffffff0], [0xff, 0xff], @dev={0xac, 0x14, 0x14}}, 0x0, 0x0, 0x0, 0x0, 0x2}}}, 0xb8}, 0x1}, 0x0) 03:39:10 executing program 7: sendmsg$IPVS_CMD_FLUSH(0xffffffffffffffff, &(0x7f0000000340)={&(0x7f0000000100)={0x10}, 0xc, &(0x7f00000002c0)={&(0x7f00000001c0)=ANY=[@ANYBLOB='P\x00\x00\x00', @ANYBLOB="00000000000000000000110000002800030014000200697064647030000000000000000000000800040000000000080001000000000014000100080009000000000008005f50e2470000"], 0x2}, 0x1}, 0x0) r0 = socket$nl_generic(0x10, 0x3, 0x10) sendmsg$nl_generic(r0, &(0x7f00003cefe4)={&(0x7f0000000300)={0x10, 0x36200}, 0xc, &(0x7f0000007ff0)={&(0x7f0000000180)={0xffce, 0x2e, 0x6fd, 0x0, 0x0, {0x2004}, [@nested={0xc, 0x0, [@typed={0x62, 0x9, @ipv4}]}]}, 0xffce}, 0x1, 0x8}, 0x0) 03:39:10 executing program 6: perf_event_open(&(0x7f0000000180)={0x2, 0x70, 0x3e5}, 0x0, 0x0, 0xffffffffffffffff, 0x0) ioctl$KVM_CREATE_VM(0xffffffffffffffff, 0xae01, 0x0) pipe2$9p(&(0x7f0000000000)={0xffffffffffffffff, 0xffffffffffffffff}, 0x0) write$P9_RLERRORu(r1, &(0x7f0000000080)=ANY=[@ANYBLOB="1400000007ffff0700"], 0x9) mkdir(&(0x7f0000000440)='./file0\x00', 0x0) mount$9p_fd(0x0, &(0x7f00000005c0)='./file0\x00', &(0x7f0000000600)='9p\x00', 0x0, &(0x7f0000000640)={'trans=fd,', {'rfdno', 0x3d, r0}, 0x2c, {'wfdno', 0x3d, r1}, 0x2c, {[{@version_9p2000='version=9p2000', 0x2c}], 0x10}}) 03:39:10 executing program 5: perf_event_open(&(0x7f0000000140)={0x2, 0x70, 0x3e6, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x10000003, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext}, 0x0, 0x0, 0xffffffffffffffff, 0x0) r0 = syz_open_dev$dspn(&(0x7f0000000040)='/dev/dsp#\x00', 0xb, 0x0) readv(r0, &(0x7f0000000140)=[{&(0x7f0000006f07)=""/249, 0xff50}], 0x333) fcntl$setstatus(r0, 0x4, 0x20000000800) readv(r0, &(0x7f0000a6fff0)=[{&(0x7f0000000180)=""/110, 0xfffffec7}], 0x1000000000000258) ioctl$int_in(r0, 0x80000000005001, &(0x7f0000003ff8)) [ 1452.077278] BTRFS error (device loop2): unsupported checksum algorithm 3786 [ 1452.084458] BTRFS error (device loop2): superblock checksum mismatch 03:39:10 executing program 2: r0 = socket$inet6(0xa, 0x1000000000002, 0x0) ioctl(r0, 0x8912, &(0x7f0000000280)="025cc83d6d345f8f762070") syz_mount_image$btrfs(&(0x7f0000000080)='btrfs\x00', &(0x7f0000000100)='./file0\x00', 0x0, 0x1, &(0x7f0000000200)=[{&(0x7f0000000500)="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", 0x116, 0x10000}], 0x0, &(0x7f0000000240)) [ 1452.144193] 9pnet: p9_errstr2errno: server reported unknown error  [ 1452.151937] BTRFS error (device loop2): open_ctree failed [ 1452.191868] 9pnet: p9_errstr2errno: server reported unknown error  [ 1452.206304] BTRFS error (device loop1): superblock checksum mismatch [ 1452.227878] BTRFS error (device loop1): open_ctree failed [ 1452.245649] BTRFS error (device loop2): unsupported checksum algorithm 3786 [ 1452.252855] BTRFS error (device loop2): superblock checksum mismatch [ 1452.259811] BTRFS error (device loop2): open_ctree failed 03:39:11 executing program 3: r0 = socket$inet(0x2, 0x4000000000000001, 0x0) setsockopt$inet_tcp_TCP_CONGESTION(r0, 0x6, 0xd, &(0x7f0000000140)='nv\x00', 0x3) sendto$inet(r0, &(0x7f0000a88f88), 0xfffffffffffffe6e, 0x20000000, &(0x7f0000e68000)={0x2, 0x0, @local={0xac, 0x14, 0x14, 0xaa}, [0x0, 0x600000000000000]}, 0x10) shutdown(r0, 0x0) 03:39:11 executing program 0: perf_event_open(&(0x7f0000000180)={0x2, 0x70, 0x3e5}, 0x0, 0x0, 0xffffffffffffffff, 0x0) r0 = socket$inet_udp(0x2, 0x2, 0x0) sendto$inet(r0, &(0x7f0000000000), 0x0, 0x400c000, &(0x7f000083b000)={0x2, 0x4e20}, 0x10) r1 = syz_open_procfs(0x0, &(0x7f0000000080)='net/udp\x00') sendfile(r0, r1, &(0x7f0000000000)=0x7000000, 0xff) 03:39:11 executing program 4: r0 = socket$nl_xfrm(0x10, 0x3, 0x6) sendmsg$nl_xfrm(r0, &(0x7f0000000400)={&(0x7f0000000040)={0x10}, 0xc, &(0x7f00000001c0)={&(0x7f0000000080)=@updpolicy={0xb8, 0x14, 0x407, 0x0, 0x0, {{@in=@loopback=0x7f000001, @in6=@ipv4={[0x0, 0x0, 0x0, 0x0, 0x3], [0xff, 0xff], @dev={0xac, 0x14, 0x14}}, 0x0, 0x0, 0x0, 0x0, 0x2}}}, 0xb8}, 0x1}, 0x0) 03:39:11 executing program 1: r0 = socket$inet6(0xa, 0x1000000000002, 0x0) ioctl(r0, 0x8912, &(0x7f0000000280)="025cc83d6d345f8f762070") syz_mount_image$btrfs(&(0x7f0000000080)='btrfs\x00', &(0x7f0000000100)='./file0\x00', 0x0, 0x1, &(0x7f0000000200)=[{&(0x7f0000000500)="8da4363a00000000000700000000004d01000000000000000000000000000000ecf6f2a2299748aeb81e1b00920efd9a000001000000000001000000000000005f42485266535f4dd2f873574f257e0a01e2a6a02f5e071383fa5a669a53f2fe9eb4eb7918628af41b", 0x69, 0x10000}], 0x0, &(0x7f0000000240)) 03:39:11 executing program 7: sendmsg$IPVS_CMD_FLUSH(0xffffffffffffffff, &(0x7f0000000340)={&(0x7f0000000100)={0x10}, 0xc, &(0x7f00000002c0)={&(0x7f00000001c0)=ANY=[@ANYBLOB='P\x00\x00\x00', @ANYBLOB="00000000000000000000110000002800030014000200697064647030000000000000000000000800040000000000080001000000000014000100080009000000000008005f50e2470000"], 0x2}, 0x1}, 0x0) r0 = socket$nl_generic(0x10, 0x3, 0x10) sendmsg$nl_generic(r0, &(0x7f00003cefe4)={&(0x7f0000000300)={0x10, 0x36200}, 0xc, &(0x7f0000007ff0)={&(0x7f0000000180)={0xffce, 0x2e, 0x6fd, 0x0, 0x0, {0x2004}, [@nested={0xc, 0x0, [@typed={0x62, 0x9, @ipv4}]}]}, 0xffce}, 0x1, 0x7a00000000000000}, 0x0) 03:39:11 executing program 6: perf_event_open(&(0x7f0000000180)={0x2, 0x70, 0x3e5}, 0x0, 0x0, 0xffffffffffffffff, 0x0) ioctl$KVM_CREATE_VM(0xffffffffffffffff, 0xae01, 0x0) pipe2$9p(&(0x7f0000000000)={0xffffffffffffffff, 0xffffffffffffffff}, 0x0) write$P9_RLERRORu(r1, &(0x7f0000000080)=ANY=[@ANYBLOB="1400000007ffff0700"], 0x9) mkdir(&(0x7f0000000440)='./file0\x00', 0x0) mount$9p_fd(0x0, &(0x7f00000005c0)='./file0\x00', &(0x7f0000000600)='9p\x00', 0x0, &(0x7f0000000640)={'trans=fd,', {'rfdno', 0x3d, r0}, 0x2c, {'wfdno', 0x3d, r1}, 0x2c, {[{@version_9p2000='version=9p2000', 0x2c}], 0x500000000000000}}) 03:39:11 executing program 2: r0 = socket$inet6(0xa, 0x1000000000002, 0x0) ioctl(r0, 0x8912, &(0x7f0000000280)="025cc83d6d345f8f762070") syz_mount_image$btrfs(&(0x7f0000000080)='btrfs\x00', &(0x7f0000000100)='./file0\x00', 0x0, 0x1, &(0x7f0000000200)=[{&(0x7f0000000500)="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", 0x116, 0x10000}], 0x0, &(0x7f0000000240)) 03:39:11 executing program 4: r0 = socket$nl_xfrm(0x10, 0x3, 0x6) sendmsg$nl_xfrm(r0, &(0x7f0000000400)={&(0x7f0000000040)={0x10}, 0xc, &(0x7f00000001c0)={&(0x7f0000000080)=@updpolicy={0xb8, 0x14, 0x407, 0x0, 0x0, {{@in=@loopback=0x7f000001, @in6=@ipv4={[0x0, 0x0, 0x0, 0x0, 0x300000000000000], [0xff, 0xff], @dev={0xac, 0x14, 0x14}}, 0x0, 0x0, 0x0, 0x0, 0x2}}}, 0xb8}, 0x1}, 0x0) 03:39:11 executing program 7: sendmsg$IPVS_CMD_FLUSH(0xffffffffffffffff, &(0x7f0000000340)={&(0x7f0000000100)={0x10}, 0xc, &(0x7f00000002c0)={&(0x7f00000001c0)=ANY=[@ANYBLOB='P\x00\x00\x00', @ANYBLOB="00000000000000000000110000002800030014000200697064647030000000000000000000000800040000000000080001000000000014000100080009000000000008005f50e2470000"], 0x2}, 0x1}, 0x0) r0 = socket$nl_generic(0x10, 0x3, 0x10) sendmsg$nl_generic(r0, &(0x7f00003cefe4)={&(0x7f0000000300)={0x10, 0x36200}, 0xc, &(0x7f0000007ff0)={&(0x7f0000000180)={0xffce, 0x2e, 0x6fd, 0x0, 0x0, {0x2004}, [@nested={0xc, 0x0, [@typed={0x62, 0x9, @ipv4}]}]}, 0xffce}, 0x1, 0xf0ffff}, 0x0) 03:39:11 executing program 0: perf_event_open(&(0x7f0000000180)={0x2, 0x70, 0x3e5}, 0x0, 0x0, 0xffffffffffffffff, 0x0) r0 = socket$inet_udp(0x2, 0x2, 0x0) sendto$inet(r0, &(0x7f0000000000), 0x0, 0x400c000, &(0x7f000083b000)={0x2, 0x4e20}, 0x10) r1 = syz_open_procfs(0x0, &(0x7f0000000080)='net/udp\x00') sendfile(r0, r1, &(0x7f0000000000)=0x68000000, 0xff) [ 1452.913955] 9pnet: p9_errstr2errno: server reported unknown error  [ 1452.940231] BTRFS error (device loop1): superblock checksum mismatch [ 1452.949846] 9pnet: p9_errstr2errno: server reported unknown error  03:39:11 executing program 6: perf_event_open(&(0x7f0000000180)={0x2, 0x70, 0x3e5}, 0x0, 0x0, 0xffffffffffffffff, 0x0) ioctl$KVM_CREATE_VM(0xffffffffffffffff, 0xae01, 0x0) pipe2$9p(&(0x7f0000000000)={0xffffffffffffffff, 0xffffffffffffffff}, 0x0) write$P9_RLERRORu(r1, &(0x7f0000000080)=ANY=[@ANYBLOB="1400000007ffff0700"], 0x9) mkdir(&(0x7f0000000440)='./file0\x00', 0x0) mount$9p_fd(0x0, &(0x7f00000005c0)='./file0\x00', &(0x7f0000000600)='9p\x00', 0x0, &(0x7f0000000640)={'trans=fd,', {'rfdno', 0x3d, r0}, 0x2c, {'wfdno', 0x3d, r1}, 0x2c, {[{@version_9p2000='version=9p2000', 0x2c}], 0x3000000}}) [ 1452.989020] BTRFS error (device loop1): open_ctree failed [ 1453.018020] BTRFS error (device loop1): superblock checksum mismatch 03:39:11 executing program 4: r0 = socket$nl_xfrm(0x10, 0x3, 0x6) sendmsg$nl_xfrm(r0, &(0x7f0000000400)={&(0x7f0000000040)={0x10}, 0xc, &(0x7f00000001c0)={&(0x7f0000000080)=@updpolicy={0xb8, 0x14, 0x407, 0x0, 0x0, {{@in=@loopback=0x7f000001, @in6=@ipv4={[0x0, 0x0, 0x0, 0x0, 0x3000000], [0xff, 0xff], @dev={0xac, 0x14, 0x14}}, 0x0, 0x0, 0x0, 0x0, 0x2}}}, 0xb8}, 0x1}, 0x0) 03:39:11 executing program 5: r0 = socket$inet6(0xa, 0x1000000000002, 0x0) ioctl(r0, 0x8912, &(0x7f0000000080)="025cc83d6d345f8f762070") r1 = syz_open_procfs(0x0, &(0x7f00000001c0)='setgroups\x00') dup3(r0, r1, 0x0) [ 1453.038401] BTRFS error (device loop1): open_ctree failed 03:39:11 executing program 2: r0 = socket$inet6(0xa, 0x1000000000002, 0x0) ioctl(r0, 0x8912, &(0x7f0000000280)="025cc83d6d345f8f762070") syz_mount_image$btrfs(&(0x7f0000000080)='btrfs\x00', &(0x7f0000000100)='./file0\x00', 0x0, 0x1, &(0x7f0000000200)=[{&(0x7f0000000500)="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", 0x116, 0x10000}], 0x0, &(0x7f0000000240)) 03:39:11 executing program 7: sendmsg$IPVS_CMD_FLUSH(0xffffffffffffffff, &(0x7f0000000340)={&(0x7f0000000100)={0x10}, 0xc, &(0x7f00000002c0)={&(0x7f00000001c0)=ANY=[@ANYBLOB='P\x00\x00\x00', @ANYBLOB="00000000000000000000110000002800030014000200697064647030000000000000000000000800040000000000080001000000000014000100080009000000000008005f50e2470000"], 0x2}, 0x1}, 0x0) r0 = socket$nl_generic(0x10, 0x3, 0x10) sendmsg$nl_generic(r0, &(0x7f00003cefe4)={&(0x7f0000000300)={0x10, 0x36200}, 0xc, &(0x7f0000007ff0)={&(0x7f0000000180)={0xffce, 0x2e, 0x6fd, 0x0, 0x0, {0x2004}, [@nested={0xc, 0x0, [@typed={0x62, 0x9, @ipv4}]}]}, 0xffce}, 0x1, 0x10000000}, 0x0) [ 1453.068310] 9pnet: p9_errstr2errno: server reported unknown error  03:39:11 executing program 0: perf_event_open(&(0x7f0000000180)={0x2, 0x70, 0x3e5}, 0x0, 0x0, 0xffffffffffffffff, 0x0) r0 = socket$inet_udp(0x2, 0x2, 0x0) sendto$inet(r0, &(0x7f0000000000), 0x0, 0x400c000, &(0x7f000083b000)={0x2, 0x4e20}, 0x10) r1 = syz_open_procfs(0x0, &(0x7f0000000080)='net/udp\x00') sendfile(r0, r1, &(0x7f0000000000)=0xe803, 0xff) [ 1453.110576] 9pnet: p9_errstr2errno: server reported unknown error  [ 1453.147080] BTRFS error (device loop2): unsupported checksum algorithm 3786 [ 1453.154293] BTRFS error (device loop2): superblock checksum mismatch [ 1453.182883] BTRFS error (device loop2): open_ctree failed [ 1453.206031] BTRFS error (device loop2): unsupported checksum algorithm 3786 [ 1453.213237] BTRFS error (device loop2): superblock checksum mismatch [ 1453.221238] BTRFS error (device loop2): open_ctree failed 03:39:12 executing program 3: r0 = socket$inet(0x2, 0x4000000000000001, 0x0) setsockopt$inet_tcp_TCP_CONGESTION(r0, 0x6, 0xd, &(0x7f0000000140)='nv\x00', 0x3) sendto$inet(r0, &(0x7f0000a88f88), 0xfffffffffffffe6e, 0x20000000, &(0x7f0000e68000)={0x2, 0x0, @local={0xac, 0x14, 0x14, 0xaa}, [0x0, 0x20000000]}, 0x10) shutdown(r0, 0x0) 03:39:12 executing program 1: r0 = socket$inet6(0xa, 0x1000000000002, 0x0) ioctl(r0, 0x8912, &(0x7f0000000280)="025cc83d6d345f8f762070") syz_mount_image$btrfs(&(0x7f0000000080)='btrfs\x00', &(0x7f0000000100)='./file0\x00', 0x0, 0x1, &(0x7f0000000200)=[{&(0x7f0000000500)="8da4363a000000001b1501000000004d01000000000000000000000000000000ecf6f2a2299748aeb81e1b00920efd9a000001000000000001000000000000005f42485266535f4dd2f873574f257e0a01e2a6a02f5e071383fa5a669a53f2fe9eb4eb7918628af41b", 0x69, 0x10000}], 0x0, &(0x7f0000000240)) 03:39:12 executing program 4: r0 = socket$nl_xfrm(0x10, 0x3, 0x6) sendmsg$nl_xfrm(r0, &(0x7f0000000400)={&(0x7f0000000040)={0x10}, 0xc, &(0x7f00000001c0)={&(0x7f0000000080)=@updpolicy={0xb8, 0x14, 0x407, 0x0, 0x0, {{@in=@loopback=0x7f000001, @in6=@ipv4={[0x0, 0x0, 0x0, 0x0, 0x9effffff], [0xff, 0xff], @dev={0xac, 0x14, 0x14}}, 0x0, 0x0, 0x0, 0x0, 0x2}}}, 0xb8}, 0x1}, 0x0) 03:39:12 executing program 6: perf_event_open(&(0x7f0000000180)={0x2, 0x70, 0x3e5}, 0x0, 0x0, 0xffffffffffffffff, 0x0) ioctl$KVM_CREATE_VM(0xffffffffffffffff, 0xae01, 0x0) pipe2$9p(&(0x7f0000000000)={0xffffffffffffffff, 0xffffffffffffffff}, 0x0) write$P9_RLERRORu(r1, &(0x7f0000000080)=ANY=[@ANYBLOB="1400000007ffff0700"], 0x9) mkdir(&(0x7f0000000440)='./file0\x00', 0x0) mount$9p_fd(0x0, &(0x7f00000005c0)='./file0\x00', &(0x7f0000000600)='9p\x00', 0x0, &(0x7f0000000640)={'trans=fd,', {'rfdno', 0x3d, r0}, 0x2c, {'wfdno', 0x3d, r1}, 0x2c, {[{@version_9p2000='version=9p2000', 0x2c}], 0x6000}}) 03:39:12 executing program 5: r0 = socket$inet6(0xa, 0x1000000000002, 0x0) ioctl(r0, 0x8912, &(0x7f0000000280)="025cc83d6d345f8f762070") fcntl$getown(0xffffffffffffffff, 0x9) syz_emit_ethernet(0x3a, &(0x7f0000000000)={@local={[0xaa, 0xaa, 0xaa, 0xaa, 0xaa], 0xaa}, @dev={[0xaa, 0xaa, 0xaa, 0xaa, 0xaa]}, [], {@ipv4={0x800, {{0x6, 0x4, 0x0, 0x0, 0x18, 0x0, 0x0, 0x0, 0x32, 0x0, @dev={0xac, 0x14, 0x14}, @remote={0xac, 0x14, 0x223, 0xbb}, {[@rr={0x7, 0x3}]}}, @icmp=@timestamp_reply={0xe}}}}}, &(0x7f0000000100)) write$P9_ROPEN(0xffffffffffffffff, &(0x7f0000000240)={0x18, 0x71, 0x0, {{0x0, 0x2}, 0x4}}, 0x18) 03:39:12 executing program 7: sendmsg$IPVS_CMD_FLUSH(0xffffffffffffffff, &(0x7f0000000340)={&(0x7f0000000100)={0x10}, 0xc, &(0x7f00000002c0)={&(0x7f00000001c0)=ANY=[@ANYBLOB='P\x00\x00\x00', @ANYBLOB="00000000000000000000110000002800030014000200697064647030000000000000000000000800040000000000080001000000000014000100080009000000000008005f50e2470000"], 0x2}, 0x1}, 0x0) r0 = socket$nl_generic(0x10, 0x3, 0x10) sendmsg$nl_generic(r0, &(0x7f00003cefe4)={&(0x7f0000000300)={0x10, 0x36200}, 0xc, &(0x7f0000007ff0)={&(0x7f0000000180)={0xffce, 0x2e, 0x6fd, 0x0, 0x0, {0x2004}, [@nested={0xc, 0x0, [@typed={0x62, 0x9, @ipv4}]}]}, 0xffce}, 0x1, 0x2000000}, 0x0) 03:39:12 executing program 0: perf_event_open(&(0x7f0000000180)={0x2, 0x70, 0x3e5}, 0x0, 0x0, 0xffffffffffffffff, 0x0) r0 = socket$inet_udp(0x2, 0x2, 0x0) sendto$inet(r0, &(0x7f0000000000), 0x0, 0x400c000, &(0x7f000083b000)={0x2, 0x4e20}, 0x10) r1 = syz_open_procfs(0x0, &(0x7f0000000080)='net/udp\x00') sendfile(r0, r1, &(0x7f0000000000)=0x900, 0xff) 03:39:12 executing program 2: r0 = socket$inet6(0xa, 0x1000000000002, 0x0) ioctl(r0, 0x8912, &(0x7f0000000280)="025cc83d6d345f8f762070") syz_mount_image$btrfs(&(0x7f0000000080)='btrfs\x00', &(0x7f0000000100)='./file0\x00', 0x0, 0x1, &(0x7f0000000200)=[{&(0x7f0000000500)="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", 0x116, 0x10000}], 0x0, &(0x7f0000000240)) [ 1453.845246] nla_parse: 40 callbacks suppressed [ 1453.845255] netlink: 104 bytes leftover after parsing attributes in process `syz-executor4'. [ 1453.848487] 9pnet: p9_errstr2errno: server reported unknown error  [ 1453.868431] netlink: 65362 bytes leftover after parsing attributes in process `syz-executor7'. [ 1453.877401] net_ratelimit: 50 callbacks suppressed [ 1453.877415] openvswitch: netlink: ufid size 94 bytes exceeds the range (1, 16) 03:39:12 executing program 0: perf_event_open(&(0x7f0000000180)={0x2, 0x70, 0x3e5}, 0x0, 0x0, 0xffffffffffffffff, 0x0) r0 = socket$inet_udp(0x2, 0x2, 0x0) sendto$inet(r0, &(0x7f0000000000), 0x0, 0x400c000, &(0x7f000083b000)={0x2, 0x4e20}, 0x10) r1 = syz_open_procfs(0x0, &(0x7f0000000080)='net/udp\x00') sendfile(r0, r1, &(0x7f0000000000)=0x10, 0xff) [ 1453.889734] openvswitch: netlink: Flow set message rejected, Key attribute missing. [ 1453.902571] BTRFS error (device loop2): unsupported checksum algorithm 3786 [ 1453.909835] BTRFS error (device loop2): superblock checksum mismatch [ 1453.912060] 9pnet: p9_errstr2errno: server reported unknown error  [ 1453.927042] BTRFS error (device loop2): open_ctree failed [ 1453.935023] netlink: 65362 bytes leftover after parsing attributes in process `syz-executor7'. 03:39:12 executing program 4: r0 = socket$nl_xfrm(0x10, 0x3, 0x6) sendmsg$nl_xfrm(r0, &(0x7f0000000400)={&(0x7f0000000040)={0x10}, 0xc, &(0x7f00000001c0)={&(0x7f0000000080)=@updpolicy={0xb8, 0x14, 0x407, 0x0, 0x0, {{@in=@loopback=0x7f000001, @in6=@ipv4={[0x0, 0x0, 0x0, 0x0, 0xffffff7f], [0xff, 0xff], @dev={0xac, 0x14, 0x14}}, 0x0, 0x0, 0x0, 0x0, 0x2}}}, 0xb8}, 0x1}, 0x0) 03:39:12 executing program 5: r0 = socket$unix(0x1, 0x2, 0x0) r1 = dup(r0) setsockopt$IP_VS_SO_SET_ZERO(r1, 0x0, 0x48f, &(0x7f0000000140)={0x0, @empty, 0x0, 0x0, 'lc\x00'}, 0x2c) fchdir(0xffffffffffffffff) 03:39:12 executing program 2: r0 = socket$inet6(0xa, 0x1000000000002, 0x0) ioctl(r0, 0x8912, &(0x7f0000000280)="025cc83d6d345f8f762070") syz_mount_image$btrfs(&(0x7f0000000080)='btrfs\x00', &(0x7f0000000100)='./file0\x00', 0x0, 0x1, &(0x7f0000000200)=[{&(0x7f0000000500)="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", 0x116, 0x10000}], 0x0, &(0x7f0000000240)) [ 1453.943850] openvswitch: netlink: ufid size 94 bytes exceeds the range (1, 16) [ 1453.951239] openvswitch: netlink: Flow set message rejected, Key attribute missing. [ 1453.956095] netlink: 104 bytes leftover after parsing attributes in process `syz-executor4'. [ 1453.968192] BTRFS error (device loop2): unsupported checksum algorithm 3786 [ 1453.975376] BTRFS error (device loop2): superblock checksum mismatch 03:39:12 executing program 4: r0 = socket$nl_xfrm(0x10, 0x3, 0x6) sendmsg$nl_xfrm(r0, &(0x7f0000000400)={&(0x7f0000000040)={0x10}, 0xc, &(0x7f00000001c0)={&(0x7f0000000080)=@updpolicy={0xb8, 0x14, 0x407, 0x0, 0x0, {{@in=@loopback=0x7f000001, @in6=@ipv4={[0x0, 0x0, 0x0, 0x0, 0xf], [0xff, 0xff], @dev={0xac, 0x14, 0x14}}, 0x0, 0x0, 0x0, 0x0, 0x2}}}, 0xb8}, 0x1}, 0x0) 03:39:12 executing program 6: perf_event_open(&(0x7f0000000180)={0x2, 0x70, 0x3e5}, 0x0, 0x0, 0xffffffffffffffff, 0x0) ioctl$KVM_CREATE_VM(0xffffffffffffffff, 0xae01, 0x0) pipe2$9p(&(0x7f0000000000)={0xffffffffffffffff, 0xffffffffffffffff}, 0x0) write$P9_RLERRORu(r1, &(0x7f0000000080)=ANY=[@ANYBLOB="1400000007ffff0700"], 0x9) mkdir(&(0x7f0000000440)='./file0\x00', 0x0) mount$9p_fd(0x0, &(0x7f00000005c0)='./file0\x00', &(0x7f0000000600)='9p\x00', 0x0, &(0x7f0000000640)={'trans=fd,', {'rfdno', 0x3d, r0}, 0x2c, {'wfdno', 0x3d, r1}, 0x2c, {[{@version_9p2000='version=9p2000', 0x2c}], 0x300}}) 03:39:12 executing program 0: perf_event_open(&(0x7f0000000180)={0x2, 0x70, 0x3e5}, 0x0, 0x0, 0xffffffffffffffff, 0x0) r0 = socket$inet_udp(0x2, 0x2, 0x0) sendto$inet(r0, &(0x7f0000000000), 0x0, 0x400c000, &(0x7f000083b000)={0x2, 0x4e20}, 0x10) r1 = syz_open_procfs(0x0, &(0x7f0000000080)='net/udp\x00') sendfile(r0, r1, &(0x7f0000000000)=0xffffffffffffffff, 0xff) [ 1454.011260] BTRFS error (device loop2): open_ctree failed 03:39:12 executing program 7: sendmsg$IPVS_CMD_FLUSH(0xffffffffffffffff, &(0x7f0000000340)={&(0x7f0000000100)={0x10}, 0xc, &(0x7f00000002c0)={&(0x7f00000001c0)=ANY=[@ANYBLOB='P\x00\x00\x00', @ANYBLOB="00000000000000000000110000002800030014000200697064647030000000000000000000000800040000000000080001000000000014000100080009000000000008005f50e2470000"], 0x2}, 0x1}, 0x0) r0 = socket$nl_generic(0x10, 0x3, 0x10) sendmsg$nl_generic(r0, &(0x7f00003cefe4)={&(0x7f0000000300)={0x10, 0x36200}, 0xc, &(0x7f0000007ff0)={&(0x7f0000000180)={0xffce, 0x2e, 0x6fd, 0x0, 0x0, {0x2004}, [@nested={0xc, 0x0, [@typed={0x62, 0x9, @ipv4}]}]}, 0xffce}, 0x1, 0xf0}, 0x0) [ 1454.053794] netlink: 104 bytes leftover after parsing attributes in process `syz-executor4'. [ 1454.085872] BTRFS error (device loop2): unsupported checksum algorithm 3786 [ 1454.093073] BTRFS error (device loop2): superblock checksum mismatch [ 1454.103899] netlink: 65362 bytes leftover after parsing attributes in process `syz-executor7'. [ 1454.106854] 9pnet: p9_errstr2errno: server reported unknown error  [ 1454.112846] openvswitch: netlink: ufid size 94 bytes exceeds the range (1, 16) [ 1454.126579] openvswitch: netlink: Flow set message rejected, Key attribute missing. [ 1454.134556] BTRFS error (device loop2): open_ctree failed [ 1454.143964] netlink: 65362 bytes leftover after parsing attributes in process `syz-executor7'. [ 1454.152788] openvswitch: netlink: ufid size 94 bytes exceeds the range (1, 16) [ 1454.160168] openvswitch: netlink: Flow set message rejected, Key attribute missing. [ 1454.168825] 9pnet: p9_errstr2errno: server reported unknown error  [ 1454.178477] BTRFS error (device loop2): unsupported checksum algorithm 3786 [ 1454.185645] BTRFS error (device loop2): superblock checksum mismatch [ 1454.203172] BTRFS error (device loop2): open_ctree failed 03:39:13 executing program 3: r0 = socket$inet(0x2, 0x4000000000000001, 0x0) setsockopt$inet_tcp_TCP_CONGESTION(r0, 0x6, 0xd, &(0x7f0000000140)='nv\x00', 0x3) sendto$inet(r0, &(0x7f0000a88f88), 0xfffffffffffffe6e, 0x20000000, &(0x7f0000e68000)={0x2, 0x0, @local={0xac, 0x14, 0x14, 0xaa}, [0x0, 0x40020000]}, 0x10) shutdown(r0, 0x0) 03:39:13 executing program 1: r0 = socket$inet6(0xa, 0x1000000000002, 0x0) ioctl(r0, 0x8912, &(0x7f0000000280)="025cc83d6d345f8f762070") syz_mount_image$btrfs(&(0x7f0000000080)='btrfs\x00', &(0x7f0000000100)='./file0\x00', 0x0, 0x1, &(0x7f0000000200)=[{&(0x7f0000000500)="8da4363a00000000000000010000004d01000000000000000000000000000000ecf6f2a2299748aeb81e1b00920efd9a000001000000000001000000000000005f42485266535f4dd2f873574f257e0a01e2a6a02f5e071383fa5a669a53f2fe9eb4eb7918628af41b", 0x69, 0x10000}], 0x0, &(0x7f0000000240)) 03:39:13 executing program 5: r0 = syz_open_dev$sndseq(&(0x7f0000dcc000)='/dev/snd/seq\x00', 0x0, 0x0) read(r0, &(0x7f0000000280)=""/28, 0x58) ioctl$SNDRV_SEQ_IOCTL_CREATE_PORT(r0, 0xc0a85320, &(0x7f0000418f50)={{0x80}, "0a4ceaa05d9a00000000000000039b3fd4cec307e8ef3d13eb790ec9c65abaf90d229db692542e5b78f8b29e0a27800f0000000000000009fb42f376589701a4", 0xa9824f69d1376637, 0x10800a}) ioctl$SNDRV_SEQ_IOCTL_REMOVE_EVENTS(r0, 0x4040534e, &(0x7f000019ffe9)={0xc1}) ioctl$SNDRV_SEQ_IOCTL_SET_PORT_INFO(r0, 0x40a85323, &(0x7f0000000080)={{0x80}, 'port1\x00'}) ioctl$SNDRV_SEQ_IOCTL_SUBSCRIBE_PORT(r0, 0x40505330, &(0x7f0000000140)) openat$sequencer2(0xffffffffffffff9c, &(0x7f0000000040)='/dev/sequencer2\x00', 0x0, 0x0) 03:39:13 executing program 4: r0 = socket$nl_xfrm(0x10, 0x3, 0x6) sendmsg$nl_xfrm(r0, &(0x7f0000000400)={&(0x7f0000000040)={0x10}, 0xc, &(0x7f00000001c0)={&(0x7f0000000080)=@updpolicy={0xb8, 0x14, 0x407, 0x0, 0x0, {{@in=@loopback=0x7f000001, @in6=@ipv4={[0x0, 0x0, 0x0, 0x0, 0x2], [0xff, 0xff], @dev={0xac, 0x14, 0x14}}, 0x0, 0x0, 0x0, 0x0, 0x2}}}, 0xb8}, 0x1}, 0x0) 03:39:13 executing program 0: perf_event_open(&(0x7f0000000180)={0x2, 0x70, 0x3e5}, 0x0, 0x0, 0xffffffffffffffff, 0x0) r0 = socket$inet_udp(0x2, 0x2, 0x0) sendto$inet(r0, &(0x7f0000000000), 0x0, 0x400c000, &(0x7f000083b000)={0x2, 0x4e20}, 0x10) r1 = syz_open_procfs(0x0, &(0x7f0000000080)='net/udp\x00') sendfile(r0, r1, &(0x7f0000000000)=0x600000000000000, 0xff) 03:39:13 executing program 6: perf_event_open(&(0x7f0000000180)={0x2, 0x70, 0x3e5}, 0x0, 0x0, 0xffffffffffffffff, 0x0) ioctl$KVM_CREATE_VM(0xffffffffffffffff, 0xae01, 0x0) pipe2$9p(&(0x7f0000000000)={0xffffffffffffffff, 0xffffffffffffffff}, 0x0) write$P9_RLERRORu(r1, &(0x7f0000000080)=ANY=[@ANYBLOB="1400000007ffff0700"], 0x9) mkdir(&(0x7f0000000440)='./file0\x00', 0x0) mount$9p_fd(0x0, &(0x7f00000005c0)='./file0\x00', &(0x7f0000000600)='9p\x00', 0x0, &(0x7f0000000640)={'trans=fd,', {'rfdno', 0x3d, r0}, 0x2c, {'wfdno', 0x3d, r1}, 0x2c, {[{@version_9p2000='version=9p2000', 0x2c}], 0x2000}}) 03:39:13 executing program 7: sendmsg$IPVS_CMD_FLUSH(0xffffffffffffffff, &(0x7f0000000340)={&(0x7f0000000100)={0x10}, 0xc, &(0x7f00000002c0)={&(0x7f00000001c0)=ANY=[@ANYBLOB='P\x00\x00\x00', @ANYBLOB="00000000000000000000110000002800030014000200697064647030000000000000000000000800040000000000080001000000000014000100080009000000000008005f50e2470000"], 0x2}, 0x1}, 0x0) r0 = socket$nl_generic(0x10, 0x3, 0x10) sendmsg$nl_generic(r0, &(0x7f00003cefe4)={&(0x7f0000000300)={0x10, 0x36200}, 0xc, &(0x7f0000007ff0)={&(0x7f0000000180)={0xffce, 0x2e, 0x6fd, 0x0, 0x0, {0x2004}, [@nested={0xc, 0x0, [@typed={0x62, 0x9, @ipv4}]}]}, 0xffce}, 0x1, 0x700}, 0x0) 03:39:13 executing program 2: r0 = socket$inet6(0xa, 0x1000000000002, 0x0) ioctl(r0, 0x8912, &(0x7f0000000280)="025cc83d6d345f8f762070") syz_mount_image$btrfs(&(0x7f0000000080)='btrfs\x00', &(0x7f0000000100)='./file0\x00', 0x0, 0x1, &(0x7f0000000200)=[{&(0x7f0000000500)="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", 0x116, 0x10000}], 0x0, &(0x7f0000000240)) [ 1454.791360] netlink: 104 bytes leftover after parsing attributes in process `syz-executor4'. [ 1454.809822] netlink: 65362 bytes leftover after parsing attributes in process `syz-executor7'. [ 1454.809917] 9pnet: p9_errstr2errno: server reported unknown error  [ 1454.818667] openvswitch: netlink: ufid size 94 bytes exceeds the range (1, 16) [ 1454.818674] openvswitch: netlink: Flow set message rejected, Key attribute missing. 03:39:13 executing program 0: perf_event_open(&(0x7f0000000180)={0x2, 0x70, 0x3e5}, 0x0, 0x0, 0xffffffffffffffff, 0x0) r0 = socket$inet_udp(0x2, 0x2, 0x0) sendto$inet(r0, &(0x7f0000000000), 0x0, 0x400c000, &(0x7f000083b000)={0x2, 0x4e20}, 0x10) r1 = syz_open_procfs(0x0, &(0x7f0000000080)='net/udp\x00') sendfile(r0, r1, &(0x7f0000000000)=0x6800000000000000, 0xff) 03:39:13 executing program 4: r0 = socket$nl_xfrm(0x10, 0x3, 0x6) sendmsg$nl_xfrm(r0, &(0x7f0000000400)={&(0x7f0000000040)={0x10}, 0xc, &(0x7f00000001c0)={&(0x7f0000000080)=@updpolicy={0xb8, 0x14, 0x407, 0x0, 0x0, {{@in=@loopback=0x7f000001, @in6=@ipv4={[0x0, 0x0, 0x0, 0x0, 0x37230000], [0xff, 0xff], @dev={0xac, 0x14, 0x14}}, 0x0, 0x0, 0x0, 0x0, 0x2}}}, 0xb8}, 0x1}, 0x0) [ 1454.847237] BTRFS error (device loop1): superblock checksum mismatch [ 1454.854496] netlink: 65362 bytes leftover after parsing attributes in process `syz-executor7'. [ 1454.872175] BTRFS error (device loop1): open_ctree failed 03:39:13 executing program 7: sendmsg$IPVS_CMD_FLUSH(0xffffffffffffffff, &(0x7f0000000340)={&(0x7f0000000100)={0x10}, 0xc, &(0x7f00000002c0)={&(0x7f00000001c0)=ANY=[@ANYBLOB='P\x00\x00\x00', @ANYBLOB="00000000000000000000110000002800030014000200697064647030000000000000000000000800040000000000080001000000000014000100080009000000000008005f50e2470000"], 0x2}, 0x1}, 0x0) r0 = socket$nl_generic(0x10, 0x3, 0x10) sendmsg$nl_generic(r0, &(0x7f00003cefe4)={&(0x7f0000000300)={0x10, 0x36200}, 0xc, &(0x7f0000007ff0)={&(0x7f0000000180)={0xffce, 0x2e, 0x6fd, 0x0, 0x0, {0x2004}, [@nested={0xc, 0x0, [@typed={0x62, 0x9, @ipv4}]}]}, 0xffce}, 0x1, 0x6}, 0x0) 03:39:13 executing program 4: r0 = socket$nl_xfrm(0x10, 0x3, 0x6) sendmsg$nl_xfrm(r0, &(0x7f0000000400)={&(0x7f0000000040)={0x10}, 0xc, &(0x7f00000001c0)={&(0x7f0000000080)=@updpolicy={0xb8, 0x14, 0x407, 0x0, 0x0, {{@in=@loopback=0x7f000001, @in6=@ipv4={[0x0, 0x0, 0x0, 0x0, 0x2000000], [0xff, 0xff], @dev={0xac, 0x14, 0x14}}, 0x0, 0x0, 0x0, 0x0, 0x2}}}, 0xb8}, 0x1}, 0x0) 03:39:13 executing program 0: perf_event_open(&(0x7f0000000180)={0x2, 0x70, 0x3e5}, 0x0, 0x0, 0xffffffffffffffff, 0x0) r0 = socket$inet_udp(0x2, 0x2, 0x0) sendto$inet(r0, &(0x7f0000000000), 0x0, 0x400c000, &(0x7f000083b000)={0x2, 0x4e20}, 0x10) r1 = syz_open_procfs(0x0, &(0x7f0000000080)='net/udp\x00') sendfile(r0, r1, &(0x7f0000000000)=0x2000000, 0xff) [ 1454.895900] BTRFS error (device loop1): superblock checksum mismatch [ 1454.905829] 9pnet: p9_errstr2errno: server reported unknown error  [ 1454.916653] BTRFS error (device loop1): open_ctree failed 03:39:13 executing program 6: perf_event_open(&(0x7f0000000180)={0x2, 0x70, 0x3e5}, 0x0, 0x0, 0xffffffffffffffff, 0x0) ioctl$KVM_CREATE_VM(0xffffffffffffffff, 0xae01, 0x0) pipe2$9p(&(0x7f0000000000)={0xffffffffffffffff, 0xffffffffffffffff}, 0x0) write$P9_RLERRORu(r1, &(0x7f0000000080)=ANY=[@ANYBLOB="1400000007ffff0700"], 0x9) mkdir(&(0x7f0000000440)='./file0\x00', 0x0) mount$9p_fd(0x0, &(0x7f00000005c0)='./file0\x00', &(0x7f0000000600)='9p\x00', 0x0, &(0x7f0000000640)={'trans=fd,', {'rfdno', 0x3d, r0}, 0x2c, {'wfdno', 0x3d, r1}, 0x2c, {[{@version_9p2000='version=9p2000', 0x2c}], 0xfffffffe}}) 03:39:13 executing program 1: r0 = socket$inet6(0xa, 0x1000000000002, 0x0) ioctl(r0, 0x8912, &(0x7f0000000280)="025cc83d6d345f8f762070") syz_mount_image$btrfs(&(0x7f0000000080)='btrfs\x00', &(0x7f0000000100)='./file0\x00', 0x0, 0x1, &(0x7f0000000200)=[{&(0x7f0000000500)="8da4363a00000000261501000000004d01000000000000000000000000000000ecf6f2a2299748aeb81e1b00920efd9a000001000000000001000000000000005f42485266535f4dd2f873574f257e0a01e2a6a02f5e071383fa5a669a53f2fe9eb4eb7918628af41b", 0x69, 0x10000}], 0x0, &(0x7f0000000240)) 03:39:13 executing program 4: r0 = socket$nl_xfrm(0x10, 0x3, 0x6) sendmsg$nl_xfrm(r0, &(0x7f0000000400)={&(0x7f0000000040)={0x10}, 0xc, &(0x7f00000001c0)={&(0x7f0000000080)=@updpolicy={0xb8, 0x14, 0x407, 0x0, 0x0, {{@in=@loopback=0x7f000001, @in6=@ipv4={[0x0, 0x0, 0x0, 0x0, 0xf0ffffff], [0xff, 0xff], @dev={0xac, 0x14, 0x14}}, 0x0, 0x0, 0x0, 0x0, 0x2}}}, 0xb8}, 0x1}, 0x0) [ 1454.949393] BTRFS error (device loop2): unsupported checksum algorithm 3786 [ 1454.956588] BTRFS error (device loop2): superblock checksum mismatch [ 1454.987067] 9pnet: p9_errstr2errno: server reported unknown error  [ 1455.019201] 9pnet: p9_errstr2errno: server reported unknown error  [ 1455.021244] BTRFS error (device loop2): open_ctree failed [ 1455.052604] BTRFS error (device loop1): superblock checksum mismatch [ 1455.072387] BTRFS error (device loop1): open_ctree failed 03:39:14 executing program 6: perf_event_open(&(0x7f0000000180)={0x2, 0x70, 0x3e5}, 0x0, 0x0, 0xffffffffffffffff, 0x0) ioctl$KVM_CREATE_VM(0xffffffffffffffff, 0xae01, 0x0) pipe2$9p(&(0x7f0000000000)={0xffffffffffffffff, 0xffffffffffffffff}, 0x0) write$P9_RLERRORu(r1, &(0x7f0000000080)=ANY=[@ANYBLOB="1400000007ffff0700"], 0x9) mkdir(&(0x7f0000000440)='./file0\x00', 0x0) mount$9p_fd(0x0, &(0x7f00000005c0)='./file0\x00', &(0x7f0000000600)='9p\x00', 0x0, &(0x7f0000000640)={'trans=fd,', {'rfdno', 0x3d, r0}, 0x2c, {'wfdno', 0x3d, r1}, 0x2c, {[{@version_9p2000='version=9p2000', 0x2c}], 0x6}}) 03:39:14 executing program 7: sendmsg$IPVS_CMD_FLUSH(0xffffffffffffffff, &(0x7f0000000340)={&(0x7f0000000100)={0x10}, 0xc, &(0x7f00000002c0)={&(0x7f00000001c0)=ANY=[@ANYBLOB='P\x00\x00\x00', @ANYBLOB="00000000000000000000110000002800030014000200697064647030000000000000000000000800040000000000080001000000000014000100080009000000000008005f50e2470000"], 0x2}, 0x1}, 0x0) r0 = socket$nl_generic(0x10, 0x3, 0x10) sendmsg$nl_generic(r0, &(0x7f00003cefe4)={&(0x7f0000000300)={0x10, 0x36200}, 0xc, &(0x7f0000007ff0)={&(0x7f0000000180)={0xffce, 0x2e, 0x6fd, 0x0, 0x0, {0x2004}, [@nested={0xc, 0x0, [@typed={0x62, 0x9, @ipv4}]}]}, 0xffce}, 0x1, 0x7400000000000000}, 0x0) [ 1455.725039] 9pnet: p9_errstr2errno: server reported unknown error  [ 1455.744969] 9pnet: p9_errstr2errno: server reported unknown error  03:39:14 executing program 5: r0 = syz_open_dev$sndseq(&(0x7f0000dcc000)='/dev/snd/seq\x00', 0x0, 0x0) read(r0, &(0x7f0000000280)=""/28, 0x58) ioctl$SNDRV_SEQ_IOCTL_CREATE_PORT(r0, 0xc0a85320, &(0x7f0000418f50)={{0x80}, "0a4ceaa05d9a00000000000000039b3fd4cec307e8ef3d13eb790ec9c65abaf90d229db692542e5b78f8b29e0a27800f0000000000000009fb42f376589701a4", 0xa9824f69d1376637, 0x10800a}) ioctl$SNDRV_SEQ_IOCTL_REMOVE_EVENTS(r0, 0x4040534e, &(0x7f000019ffe9)={0xc1}) ioctl$SNDRV_SEQ_IOCTL_SET_PORT_INFO(r0, 0x40a85323, &(0x7f0000000080)={{0x80}, 'port1\x00'}) ioctl$SNDRV_SEQ_IOCTL_SUBSCRIBE_PORT(r0, 0x40505330, &(0x7f0000000140)) openat$sequencer2(0xffffffffffffff9c, &(0x7f0000000040)='/dev/sequencer2\x00', 0x0, 0x0) 03:39:14 executing program 0: perf_event_open(&(0x7f0000000180)={0x2, 0x70, 0x3e5}, 0x0, 0x0, 0xffffffffffffffff, 0x0) r0 = socket$inet_udp(0x2, 0x2, 0x0) sendto$inet(r0, &(0x7f0000000000), 0x0, 0x400c000, &(0x7f000083b000)={0x2, 0x4e20}, 0x10) r1 = syz_open_procfs(0x0, &(0x7f0000000080)='net/udp\x00') sendfile(r0, r1, &(0x7f0000000000)=0x4000000, 0xff) 03:39:14 executing program 4: r0 = socket$nl_xfrm(0x10, 0x3, 0x6) sendmsg$nl_xfrm(r0, &(0x7f0000000400)={&(0x7f0000000040)={0x10}, 0xc, &(0x7f00000001c0)={&(0x7f0000000080)=@updpolicy={0xb8, 0x14, 0x407, 0x0, 0x0, {{@in=@loopback=0x7f000001, @in6=@ipv4={[0x0, 0x0, 0x0, 0x0, 0xf00], [0xff, 0xff], @dev={0xac, 0x14, 0x14}}, 0x0, 0x0, 0x0, 0x0, 0x2}}}, 0xb8}, 0x1}, 0x0) 03:39:14 executing program 2: r0 = socket$inet6(0xa, 0x1000000000002, 0x0) ioctl(r0, 0x8912, &(0x7f0000000280)="025cc83d6d345f8f762070") syz_mount_image$btrfs(&(0x7f0000000080)='btrfs\x00', &(0x7f0000000100)='./file0\x00', 0x0, 0x1, &(0x7f0000000200)=[{&(0x7f0000000500)="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", 0x116, 0x10000}], 0x0, &(0x7f0000000240)) 03:39:14 executing program 3: r0 = socket$inet(0x2, 0x4000000000000001, 0x0) setsockopt$inet_tcp_TCP_CONGESTION(r0, 0x6, 0xd, &(0x7f0000000140)='nv\x00', 0x3) sendto$inet(r0, &(0x7f0000a88f88), 0xfffffffffffffe6e, 0x20000000, &(0x7f0000e68000)={0x2, 0x0, @local={0xac, 0x14, 0x14, 0xaa}, [0x0, 0x3]}, 0x10) shutdown(r0, 0x0) 03:39:14 executing program 1: r0 = socket$inet6(0xa, 0x1000000000002, 0x0) ioctl(r0, 0x8912, &(0x7f0000000280)="025cc83d6d345f8f762070") syz_mount_image$btrfs(&(0x7f0000000080)='btrfs\x00', &(0x7f0000000100)='./file0\x00', 0x0, 0x1, &(0x7f0000000200)=[{&(0x7f0000000500)="8da4363a00000000000003ee0000004d01000000000000000000000000000000ecf6f2a2299748aeb81e1b00920efd9a000001000000000001000000000000005f42485266535f4dd2f873574f257e0a01e2a6a02f5e071383fa5a669a53f2fe9eb4eb7918628af41b", 0x69, 0x10000}], 0x0, &(0x7f0000000240)) 03:39:14 executing program 7: sendmsg$IPVS_CMD_FLUSH(0xffffffffffffffff, &(0x7f0000000340)={&(0x7f0000000100)={0x10}, 0xc, &(0x7f00000002c0)={&(0x7f00000001c0)=ANY=[@ANYBLOB='P\x00\x00\x00', @ANYBLOB="00000000000000000000110000002800030014000200697064647030000000000000000000000800040000000000080001000000000014000100080009000000000008005f50e2470000"], 0x2}, 0x1}, 0x0) r0 = socket$nl_generic(0x10, 0x3, 0x10) sendmsg$nl_generic(r0, &(0x7f00003cefe4)={&(0x7f0000000300)={0x10, 0x36200}, 0xc, &(0x7f0000007ff0)={&(0x7f0000000180)={0xffce, 0x2e, 0x6fd, 0x0, 0x0, {0x2004}, [@nested={0xc, 0x0, [@typed={0x62, 0x9, @ipv4}]}]}, 0xffce}, 0x1, 0xf0ffffffffffff}, 0x0) 03:39:14 executing program 6: perf_event_open(&(0x7f0000000180)={0x2, 0x70, 0x3e5}, 0x0, 0x0, 0xffffffffffffffff, 0x0) ioctl$KVM_CREATE_VM(0xffffffffffffffff, 0xae01, 0x0) pipe2$9p(&(0x7f0000000000)={0xffffffffffffffff, 0xffffffffffffffff}, 0x0) write$P9_RLERRORu(r1, &(0x7f0000000080)=ANY=[@ANYBLOB="1400000007ffff0700"], 0x9) mkdir(&(0x7f0000000440)='./file0\x00', 0x0) mount$9p_fd(0x0, &(0x7f00000005c0)='./file0\x00', &(0x7f0000000600)='9p\x00', 0x0, &(0x7f0000000640)={'trans=fd,', {'rfdno', 0x3d, r0}, 0x2c, {'wfdno', 0x3d, r1}, 0x2c, {[{@version_9p2000='version=9p2000', 0x2c}], 0x9}}) 03:39:14 executing program 4: r0 = socket$nl_xfrm(0x10, 0x3, 0x6) sendmsg$nl_xfrm(r0, &(0x7f0000000400)={&(0x7f0000000040)={0x10}, 0xc, &(0x7f00000001c0)={&(0x7f0000000080)=@updpolicy={0xb8, 0x14, 0x407, 0x0, 0x0, {{@in=@loopback=0x7f000001, @in6=@ipv4={[0x0, 0x0, 0x0, 0x0, 0x2000], [0xff, 0xff], @dev={0xac, 0x14, 0x14}}, 0x0, 0x0, 0x0, 0x0, 0x2}}}, 0xb8}, 0x1}, 0x0) 03:39:14 executing program 0: perf_event_open(&(0x7f0000000180)={0x2, 0x70, 0x3e5}, 0x0, 0x0, 0xffffffffffffffff, 0x0) r0 = socket$inet_udp(0x2, 0x2, 0x0) sendto$inet(r0, &(0x7f0000000000), 0x0, 0x400c000, &(0x7f000083b000)={0x2, 0x4e20}, 0x10) r1 = syz_open_procfs(0x0, &(0x7f0000000080)='net/udp\x00') sendfile(r0, r1, &(0x7f0000000000)=0x6c000000, 0xff) 03:39:14 executing program 7: sendmsg$IPVS_CMD_FLUSH(0xffffffffffffffff, &(0x7f0000000340)={&(0x7f0000000100)={0x10}, 0xc, &(0x7f00000002c0)={&(0x7f00000001c0)=ANY=[@ANYBLOB='P\x00\x00\x00', @ANYBLOB="00000000000000000000110000002800030014000200697064647030000000000000000000000800040000000000080001000000000014000100080009000000000008005f50e2470000"], 0x2}, 0x1}, 0x0) r0 = socket$nl_generic(0x10, 0x3, 0x10) sendmsg$nl_generic(r0, &(0x7f00003cefe4)={&(0x7f0000000300)={0x10, 0x36200}, 0xc, &(0x7f0000007ff0)={&(0x7f0000000180)={0xffce, 0x2e, 0x6fd, 0x0, 0x0, {0x2004}, [@nested={0xc, 0x0, [@typed={0x62, 0x9, @ipv4}]}]}, 0xffce}, 0x1, 0x5000000}, 0x0) [ 1455.884885] 9pnet: p9_errstr2errno: server reported unknown error  [ 1455.907722] BTRFS error (device loop1): superblock checksum mismatch [ 1455.921660] 9pnet: p9_errstr2errno: server reported unknown error  [ 1455.926556] BTRFS error (device loop1): open_ctree failed 03:39:14 executing program 6: perf_event_open(&(0x7f0000000180)={0x2, 0x70, 0x3e5}, 0x0, 0x0, 0xffffffffffffffff, 0x0) ioctl$KVM_CREATE_VM(0xffffffffffffffff, 0xae01, 0x0) pipe2$9p(&(0x7f0000000000)={0xffffffffffffffff, 0xffffffffffffffff}, 0x0) write$P9_RLERRORu(r1, &(0x7f0000000080)=ANY=[@ANYBLOB="1400000007ffff0700"], 0x9) mkdir(&(0x7f0000000440)='./file0\x00', 0x0) mount$9p_fd(0x0, &(0x7f00000005c0)='./file0\x00', &(0x7f0000000600)='9p\x00', 0x0, &(0x7f0000000640)={'trans=fd,', {'rfdno', 0x3d, r0}, 0x2c, {'wfdno', 0x3d, r1}, 0x2c, {[{@version_9p2000='version=9p2000', 0x2c}], 0x2000000000000000}}) 03:39:14 executing program 4: r0 = socket$nl_xfrm(0x10, 0x3, 0x6) sendmsg$nl_xfrm(r0, &(0x7f0000000400)={&(0x7f0000000040)={0x10}, 0xc, &(0x7f00000001c0)={&(0x7f0000000080)=@updpolicy={0xb8, 0x14, 0x407, 0x0, 0x0, {{@in=@loopback=0x7f000001, @in6=@ipv4={[0x0, 0x0, 0x0, 0x0, 0x100000000000000], [0xff, 0xff], @dev={0xac, 0x14, 0x14}}, 0x0, 0x0, 0x0, 0x0, 0x2}}}, 0xb8}, 0x1}, 0x0) 03:39:14 executing program 2: r0 = socket$inet6(0xa, 0x1000000000002, 0x0) ioctl(r0, 0x8912, &(0x7f0000000280)="025cc83d6d345f8f762070") syz_mount_image$btrfs(&(0x7f0000000080)='btrfs\x00', &(0x7f0000000100)='./file0\x00', 0x0, 0x1, &(0x7f0000000200)=[{&(0x7f0000000500)="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", 0x116, 0x10000}], 0x0, &(0x7f0000000240)) 03:39:14 executing program 0: perf_event_open(&(0x7f0000000180)={0x2, 0x70, 0x3e5}, 0x0, 0x0, 0xffffffffffffffff, 0x0) r0 = socket$inet_udp(0x2, 0x2, 0x0) sendto$inet(r0, &(0x7f0000000000), 0x0, 0x400c000, &(0x7f000083b000)={0x2, 0x4e20}, 0x10) r1 = syz_open_procfs(0x0, &(0x7f0000000080)='net/udp\x00') sendfile(r0, r1, &(0x7f0000000000)=0x7a, 0xff) [ 1455.936145] BTRFS error (device loop1): superblock checksum mismatch [ 1455.967471] BTRFS error (device loop1): open_ctree failed 03:39:14 executing program 7: sendmsg$IPVS_CMD_FLUSH(0xffffffffffffffff, &(0x7f0000000340)={&(0x7f0000000100)={0x10}, 0xc, &(0x7f00000002c0)={&(0x7f00000001c0)=ANY=[@ANYBLOB='P\x00\x00\x00', @ANYBLOB="00000000000000000000110000002800030014000200697064647030000000000000000000000800040000000000080001000000000014000100080009000000000008005f50e2470000"], 0x2}, 0x1}, 0x0) r0 = socket$nl_generic(0x10, 0x3, 0x10) sendmsg$nl_generic(r0, &(0x7f00003cefe4)={&(0x7f0000000300)={0x10, 0x36200}, 0xc, &(0x7f0000007ff0)={&(0x7f0000000180)={0xffce, 0x2e, 0x6fd, 0x0, 0x0, {0x2004}, [@nested={0xc, 0x0, [@typed={0x62, 0x9, @ipv4}]}]}, 0xffce}, 0x1, 0x54160000}, 0x0) [ 1456.026483] 9pnet: p9_errstr2errno: server reported unknown error  [ 1456.060678] 9pnet: p9_errstr2errno: server reported unknown error  [ 1456.078306] BTRFS error (device loop2): unsupported checksum algorithm 3786 [ 1456.085550] BTRFS error (device loop2): superblock checksum mismatch [ 1456.098026] BTRFS error (device loop2): open_ctree failed [ 1456.118986] BTRFS error (device loop2): unsupported checksum algorithm 3786 [ 1456.126197] BTRFS error (device loop2): superblock checksum mismatch [ 1456.133956] BTRFS error (device loop2): open_ctree failed 03:39:15 executing program 5: r0 = syz_open_dev$sndseq(&(0x7f0000dcc000)='/dev/snd/seq\x00', 0x0, 0x0) read(r0, &(0x7f0000000280)=""/28, 0x58) ioctl$SNDRV_SEQ_IOCTL_CREATE_PORT(r0, 0xc0a85320, &(0x7f0000418f50)={{0x80}, "0a4ceaa05d9a00000000000000039b3fd4cec307e8ef3d13eb790ec9c65abaf90d229db692542e5b78f8b29e0a27800f0000000000000009fb42f376589701a4", 0xa9824f69d1376637, 0x10800a}) ioctl$SNDRV_SEQ_IOCTL_REMOVE_EVENTS(r0, 0x4040534e, &(0x7f000019ffe9)={0xc1}) ioctl$SNDRV_SEQ_IOCTL_SET_PORT_INFO(r0, 0x40a85323, &(0x7f0000000080)={{0x80}, 'port1\x00'}) ioctl$SNDRV_SEQ_IOCTL_SUBSCRIBE_PORT(r0, 0x40505330, &(0x7f0000000140)) openat$sequencer2(0xffffffffffffff9c, &(0x7f0000000040)='/dev/sequencer2\x00', 0x0, 0x0) 03:39:15 executing program 1: r0 = socket$inet6(0xa, 0x1000000000002, 0x0) ioctl(r0, 0x8912, &(0x7f0000000280)="025cc83d6d345f8f762070") syz_mount_image$btrfs(&(0x7f0000000080)='btrfs\x00', &(0x7f0000000100)='./file0\x00', 0x0, 0x1, &(0x7f0000000200)=[{&(0x7f0000000500)="8da4363a00000000000060000000004d01000000000000000000000000000000ecf6f2a2299748aeb81e1b00920efd9a000001000000000001000000000000005f42485266535f4dd2f873574f257e0a01e2a6a02f5e071383fa5a669a53f2fe9eb4eb7918628af41b", 0x69, 0x10000}], 0x0, &(0x7f0000000240)) 03:39:15 executing program 4: r0 = socket$nl_xfrm(0x10, 0x3, 0x6) sendmsg$nl_xfrm(r0, &(0x7f0000000400)={&(0x7f0000000040)={0x10}, 0xc, &(0x7f00000001c0)={&(0x7f0000000080)=@updpolicy={0xb8, 0x14, 0x407, 0x0, 0x0, {{@in=@loopback=0x7f000001, @in6=@ipv4={[0x0, 0x0, 0x0, 0x0, 0x1000000], [0xff, 0xff], @dev={0xac, 0x14, 0x14}}, 0x0, 0x0, 0x0, 0x0, 0x2}}}, 0xb8}, 0x1}, 0x0) 03:39:15 executing program 6: perf_event_open(&(0x7f0000000180)={0x2, 0x70, 0x3e5}, 0x0, 0x0, 0xffffffffffffffff, 0x0) ioctl$KVM_CREATE_VM(0xffffffffffffffff, 0xae01, 0x0) pipe2$9p(&(0x7f0000000000)={0xffffffffffffffff, 0xffffffffffffffff}, 0x0) write$P9_RLERRORu(r1, &(0x7f0000000080)=ANY=[@ANYBLOB="1400000007ffff0700"], 0x9) mkdir(&(0x7f0000000440)='./file0\x00', 0x0) mount$9p_fd(0x0, &(0x7f00000005c0)='./file0\x00', &(0x7f0000000600)='9p\x00', 0x0, &(0x7f0000000640)={'trans=fd,', {'rfdno', 0x3d, r0}, 0x2c, {'wfdno', 0x3d, r1}, 0x2c, {[{@version_9p2000='version=9p2000', 0x2c}], 0x10000000}}) 03:39:15 executing program 0: perf_event_open(&(0x7f0000000180)={0x2, 0x70, 0x3e5}, 0x0, 0x0, 0xffffffffffffffff, 0x0) r0 = socket$inet_udp(0x2, 0x2, 0x0) sendto$inet(r0, &(0x7f0000000000), 0x0, 0x400c000, &(0x7f000083b000)={0x2, 0x4e20}, 0x10) r1 = syz_open_procfs(0x0, &(0x7f0000000080)='net/udp\x00') sendfile(r0, r1, &(0x7f0000000000)=0xe, 0xff) 03:39:15 executing program 7: sendmsg$IPVS_CMD_FLUSH(0xffffffffffffffff, &(0x7f0000000340)={&(0x7f0000000100)={0x10}, 0xc, &(0x7f00000002c0)={&(0x7f00000001c0)=ANY=[@ANYBLOB='P\x00\x00\x00', @ANYBLOB="00000000000000000000110000002800030014000200697064647030000000000000000000000800040000000000080001000000000014000100080009000000000008005f50e2470000"], 0x2}, 0x1}, 0x0) r0 = socket$nl_generic(0x10, 0x3, 0x10) sendmsg$nl_generic(r0, &(0x7f00003cefe4)={&(0x7f0000000300)={0x10, 0x36200}, 0xc, &(0x7f0000007ff0)={&(0x7f0000000180)={0xffce, 0x2e, 0x6fd, 0x0, 0x0, {0x2004}, [@nested={0xc, 0x0, [@typed={0x62, 0x9, @ipv4}]}]}, 0xffce}, 0x1, 0x9000000}, 0x0) 03:39:15 executing program 2: r0 = socket$inet6(0xa, 0x1000000000002, 0x0) ioctl(r0, 0x8912, &(0x7f0000000280)="025cc83d6d345f8f762070") syz_mount_image$btrfs(&(0x7f0000000080)='btrfs\x00', &(0x7f0000000100)='./file0\x00', 0x0, 0x1, &(0x7f0000000200)=[{&(0x7f0000000500)="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", 0x116, 0x10000}], 0x0, &(0x7f0000000240)) 03:39:15 executing program 3: r0 = socket$inet(0x2, 0x4000000000000001, 0x0) setsockopt$inet_tcp_TCP_CONGESTION(r0, 0x6, 0xd, &(0x7f0000000140)='nv\x00', 0x3) sendto$inet(r0, &(0x7f0000a88f88), 0xfffffffffffffe6e, 0x20000000, &(0x7f0000e68000)={0x2, 0x0, @local={0xac, 0x14, 0x14, 0xaa}, [0x0, 0x2000000]}, 0x10) shutdown(r0, 0x0) [ 1456.867301] 9pnet: p9_errstr2errno: server reported unknown error  [ 1456.891348] 9pnet: p9_errstr2errno: server reported unknown error  [ 1456.894389] BTRFS error (device loop2): unsupported checksum algorithm 3786 [ 1456.904997] BTRFS error (device loop2): superblock checksum mismatch 03:39:15 executing program 7: sendmsg$IPVS_CMD_FLUSH(0xffffffffffffffff, &(0x7f0000000340)={&(0x7f0000000100)={0x10}, 0xc, &(0x7f00000002c0)={&(0x7f00000001c0)=ANY=[@ANYBLOB='P\x00\x00\x00', @ANYBLOB="00000000000000000000110000002800030014000200697064647030000000000000000000000800040000000000080001000000000014000100080009000000000008005f50e2470000"], 0x2}, 0x1}, 0x0) r0 = socket$nl_generic(0x10, 0x3, 0x10) sendmsg$nl_generic(r0, &(0x7f00003cefe4)={&(0x7f0000000300)={0x10, 0x36200}, 0xc, &(0x7f0000007ff0)={&(0x7f0000000180)={0xffce, 0x2e, 0x6fd, 0x0, 0x0, {0x2004}, [@nested={0xc, 0x0, [@typed={0x62, 0x9, @ipv4}]}]}, 0xffce}, 0x1, 0xffffff7f}, 0x0) 03:39:15 executing program 4: r0 = socket$nl_xfrm(0x10, 0x3, 0x6) sendmsg$nl_xfrm(r0, &(0x7f0000000400)={&(0x7f0000000040)={0x10}, 0xc, &(0x7f00000001c0)={&(0x7f0000000080)=@updpolicy={0xb8, 0x14, 0x407, 0x0, 0x0, {{@in=@loopback=0x7f000001, @in6=@ipv4={[0x0, 0x0, 0x0, 0x0, 0x0, 0x200000000000000], [0xff, 0xff], @dev={0xac, 0x14, 0x14}}, 0x0, 0x0, 0x0, 0x0, 0x2}}}, 0xb8}, 0x1}, 0x0) 03:39:15 executing program 6: perf_event_open(&(0x7f0000000180)={0x2, 0x70, 0x3e5}, 0x0, 0x0, 0xffffffffffffffff, 0x0) ioctl$KVM_CREATE_VM(0xffffffffffffffff, 0xae01, 0x0) pipe2$9p(&(0x7f0000000000)={0xffffffffffffffff, 0xffffffffffffffff}, 0x0) write$P9_RLERRORu(r1, &(0x7f0000000080)=ANY=[@ANYBLOB="1400000007ffff0700"], 0x9) mkdir(&(0x7f0000000440)='./file0\x00', 0x0) mount$9p_fd(0x0, &(0x7f00000005c0)='./file0\x00', &(0x7f0000000600)='9p\x00', 0x0, &(0x7f0000000640)={'trans=fd,', {'rfdno', 0x3d, r0}, 0x2c, {'wfdno', 0x3d, r1}, 0x2c, {[{@version_9p2000='version=9p2000', 0x2c}], 0x7000000}}) 03:39:15 executing program 0: perf_event_open(&(0x7f0000000180)={0x2, 0x70, 0x3e5}, 0x0, 0x0, 0xffffffffffffffff, 0x0) r0 = socket$inet_udp(0x2, 0x2, 0x0) sendto$inet(r0, &(0x7f0000000000), 0x0, 0x400c000, &(0x7f000083b000)={0x2, 0x4e20}, 0x10) r1 = syz_open_procfs(0x0, &(0x7f0000000080)='net/udp\x00') sendfile(r0, r1, &(0x7f0000000000)=0x4, 0xff) [ 1456.930340] BTRFS error (device loop2): open_ctree failed [ 1456.948567] BTRFS error (device loop2): unsupported checksum algorithm 3786 [ 1456.955848] BTRFS error (device loop2): superblock checksum mismatch 03:39:15 executing program 7: sendmsg$IPVS_CMD_FLUSH(0xffffffffffffffff, &(0x7f0000000340)={&(0x7f0000000100)={0x10}, 0xc, &(0x7f00000002c0)={&(0x7f00000001c0)=ANY=[@ANYBLOB='P\x00\x00\x00', @ANYBLOB="00000000000000000000110000002800030014000200697064647030000000000000000000000800040000000000080001000000000014000100080009000000000008005f50e2470000"], 0x2}, 0x1}, 0x0) r0 = socket$nl_generic(0x10, 0x3, 0x10) sendmsg$nl_generic(r0, &(0x7f00003cefe4)={&(0x7f0000000300)={0x10, 0x36200}, 0xc, &(0x7f0000007ff0)={&(0x7f0000000180)={0xffce, 0x2e, 0x6fd, 0x0, 0x0, {0x2004}, [@nested={0xc, 0x0, [@typed={0x62, 0x9, @ipv4}]}]}, 0xffce}, 0x1, 0xb00}, 0x0) 03:39:15 executing program 4: r0 = socket$nl_xfrm(0x10, 0x3, 0x6) sendmsg$nl_xfrm(r0, &(0x7f0000000400)={&(0x7f0000000040)={0x10}, 0xc, &(0x7f00000001c0)={&(0x7f0000000080)=@updpolicy={0xb8, 0x14, 0x407, 0x0, 0x0, {{@in=@loopback=0x7f000001, @in6=@ipv4={[0x0, 0x0, 0x0, 0x0, 0x0, 0x40030000000000], [0xff, 0xff], @dev={0xac, 0x14, 0x14}}, 0x0, 0x0, 0x0, 0x0, 0x2}}}, 0xb8}, 0x1}, 0x0) [ 1456.990553] 9pnet: p9_errstr2errno: server reported unknown error  [ 1457.005227] BTRFS error (device loop2): open_ctree failed [ 1457.022263] 9pnet: p9_errstr2errno: server reported unknown error  03:39:15 executing program 0: perf_event_open(&(0x7f0000000180)={0x2, 0x70, 0x3e5}, 0x0, 0x0, 0xffffffffffffffff, 0x0) r0 = socket$inet_udp(0x2, 0x2, 0x0) sendto$inet(r0, &(0x7f0000000000), 0x0, 0x400c000, &(0x7f000083b000)={0x2, 0x4e20}, 0x10) r1 = syz_open_procfs(0x0, &(0x7f0000000080)='net/udp\x00') sendfile(r0, r1, &(0x7f0000000000)=0xe803000000000000, 0xff) [ 1457.035404] BTRFS error (device loop1): superblock checksum mismatch 03:39:15 executing program 1: r0 = socket$inet6(0xa, 0x1000000000002, 0x0) ioctl(r0, 0x8912, &(0x7f0000000280)="025cc83d6d345f8f762070") syz_mount_image$btrfs(&(0x7f0000000080)='btrfs\x00', &(0x7f0000000100)='./file0\x00', 0x0, 0x1, &(0x7f0000000200)=[{&(0x7f0000000500)="8da4363a000000007fffffff0000004d01000000000000000000000000000000ecf6f2a2299748aeb81e1b00920efd9a000001000000000001000000000000005f42485266535f4dd2f873574f257e0a01e2a6a02f5e071383fa5a669a53f2fe9eb4eb7918628af41b", 0x69, 0x10000}], 0x0, &(0x7f0000000240)) [ 1457.064363] BTRFS error (device loop1): open_ctree failed 03:39:16 executing program 5: r0 = syz_open_dev$sndseq(&(0x7f0000dcc000)='/dev/snd/seq\x00', 0x0, 0x0) read(r0, &(0x7f0000000280)=""/28, 0x58) ioctl$SNDRV_SEQ_IOCTL_CREATE_PORT(r0, 0xc0a85320, &(0x7f0000418f50)={{0x80}, "0a4ceaa05d9a00000000000000039b3fd4cec307e8ef3d13eb790ec9c65abaf90d229db692542e5b78f8b29e0a27800f0000000000000009fb42f376589701a4", 0xa9824f69d1376637, 0x10800a}) ioctl$SNDRV_SEQ_IOCTL_REMOVE_EVENTS(r0, 0x4040534e, &(0x7f000019ffe9)={0xc1}) ioctl$SNDRV_SEQ_IOCTL_SET_PORT_INFO(r0, 0x40a85323, &(0x7f0000000080)={{0x80}, 'port1\x00'}) ioctl$SNDRV_SEQ_IOCTL_SUBSCRIBE_PORT(r0, 0x40505330, &(0x7f0000000140)) openat$sequencer2(0xffffffffffffff9c, &(0x7f0000000040)='/dev/sequencer2\x00', 0x0, 0x0) 03:39:16 executing program 6: perf_event_open(&(0x7f0000000180)={0x2, 0x70, 0x3e5}, 0x0, 0x0, 0xffffffffffffffff, 0x0) ioctl$KVM_CREATE_VM(0xffffffffffffffff, 0xae01, 0x0) pipe2$9p(&(0x7f0000000000)={0xffffffffffffffff, 0xffffffffffffffff}, 0x0) write$P9_RLERRORu(r1, &(0x7f0000000080)=ANY=[@ANYBLOB="1400000007ffff0700"], 0x9) mkdir(&(0x7f0000000440)='./file0\x00', 0x0) mount$9p_fd(0x0, &(0x7f00000005c0)='./file0\x00', &(0x7f0000000600)='9p\x00', 0x0, &(0x7f0000000640)={'trans=fd,', {'rfdno', 0x3d, r0}, 0x2c, {'wfdno', 0x3d, r1}, 0x2c, {[{@version_9p2000='version=9p2000', 0x2c}], 0x700000000000000}}) 03:39:16 executing program 4: r0 = socket$nl_xfrm(0x10, 0x3, 0x6) sendmsg$nl_xfrm(r0, &(0x7f0000000400)={&(0x7f0000000040)={0x10}, 0xc, &(0x7f00000001c0)={&(0x7f0000000080)=@updpolicy={0xb8, 0x14, 0x407, 0x0, 0x0, {{@in=@loopback=0x7f000001, @in6=@ipv4={[0x0, 0x0, 0x0, 0x0, 0x0, 0xfffff000], [0xff, 0xff], @dev={0xac, 0x14, 0x14}}, 0x0, 0x0, 0x0, 0x0, 0x2}}}, 0xb8}, 0x1}, 0x0) 03:39:16 executing program 0: perf_event_open(&(0x7f0000000180)={0x2, 0x70, 0x3e5}, 0x0, 0x0, 0xffffffffffffffff, 0x0) r0 = socket$inet_udp(0x2, 0x2, 0x0) sendto$inet(r0, &(0x7f0000000000), 0x0, 0x400c000, &(0x7f000083b000)={0x2, 0x4e20}, 0x10) r1 = syz_open_procfs(0x0, &(0x7f0000000080)='net/udp\x00') sendfile(r0, r1, &(0x7f0000000000)=0xffffffff00000000, 0xff) 03:39:16 executing program 7: sendmsg$IPVS_CMD_FLUSH(0xffffffffffffffff, &(0x7f0000000340)={&(0x7f0000000100)={0x10}, 0xc, &(0x7f00000002c0)={&(0x7f00000001c0)=ANY=[@ANYBLOB='P\x00\x00\x00', @ANYBLOB="00000000000000000000110000002800030014000200697064647030000000000000000000000800040000000000080001000000000014000100080009000000000008005f50e2470000"], 0x2}, 0x1}, 0x0) r0 = socket$nl_generic(0x10, 0x3, 0x10) sendmsg$nl_generic(r0, &(0x7f00003cefe4)={&(0x7f0000000300)={0x10, 0x36200}, 0xc, &(0x7f0000007ff0)={&(0x7f0000000180)={0xffce, 0x2e, 0x6fd, 0x0, 0x0, {0x2004}, [@nested={0xc, 0x0, [@typed={0x62, 0x9, @ipv4}]}]}, 0xffce}, 0x1, 0x48}, 0x0) 03:39:16 executing program 2: r0 = socket$inet6(0xa, 0x1000000000002, 0x0) ioctl(r0, 0x8912, &(0x7f0000000280)="025cc83d6d345f8f762070") syz_mount_image$btrfs(&(0x7f0000000080)='btrfs\x00', &(0x7f0000000100)='./file0\x00', 0x0, 0x1, &(0x7f0000000200)=[{&(0x7f0000000500)="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", 0x116, 0x10000}], 0x0, &(0x7f0000000240)) 03:39:16 executing program 1: r0 = socket$inet6(0xa, 0x1000000000002, 0x0) ioctl(r0, 0x8912, &(0x7f0000000280)="025cc83d6d345f8f762070") syz_mount_image$btrfs(&(0x7f0000000080)='btrfs\x00', &(0x7f0000000100)='./file0\x00', 0x0, 0x1, &(0x7f0000000200)=[{&(0x7f0000000500)="8da4363a000000000000004c0000004d01000000000000000000000000000000ecf6f2a2299748aeb81e1b00920efd9a000001000000000001000000000000005f42485266535f4dd2f873574f257e0a01e2a6a02f5e071383fa5a669a53f2fe9eb4eb7918628af41b", 0x69, 0x10000}], 0x0, &(0x7f0000000240)) 03:39:16 executing program 3: r0 = socket$inet(0x2, 0x4000000000000001, 0x0) setsockopt$inet_tcp_TCP_CONGESTION(r0, 0x6, 0xd, &(0x7f0000000140)='nv\x00', 0x3) sendto$inet(r0, &(0x7f0000a88f88), 0xfffffffffffffe6e, 0x20000000, &(0x7f0000e68000)={0x2, 0x0, @local={0xac, 0x14, 0x14, 0xaa}, [0x0, 0x900]}, 0x10) shutdown(r0, 0x0) 03:39:16 executing program 4: r0 = socket$nl_xfrm(0x10, 0x3, 0x6) sendmsg$nl_xfrm(r0, &(0x7f0000000400)={&(0x7f0000000040)={0x10}, 0xc, &(0x7f00000001c0)={&(0x7f0000000080)=@updpolicy={0xb8, 0x14, 0x407, 0x0, 0x0, {{@in=@loopback=0x7f000001, @in6=@ipv4={[0x0, 0x0, 0x0, 0x0, 0x0, 0x3000000], [0xff, 0xff], @dev={0xac, 0x14, 0x14}}, 0x0, 0x0, 0x0, 0x0, 0x2}}}, 0xb8}, 0x1}, 0x0) 03:39:16 executing program 7: sendmsg$IPVS_CMD_FLUSH(0xffffffffffffffff, &(0x7f0000000340)={&(0x7f0000000100)={0x10}, 0xc, &(0x7f00000002c0)={&(0x7f00000001c0)=ANY=[@ANYBLOB='P\x00\x00\x00', @ANYBLOB="00000000000000000000110000002800030014000200697064647030000000000000000000000800040000000000080001000000000014000100080009000000000008005f50e2470000"], 0x2}, 0x1}, 0x0) r0 = socket$nl_generic(0x10, 0x3, 0x10) sendmsg$nl_generic(r0, &(0x7f00003cefe4)={&(0x7f0000000300)={0x10, 0x36200}, 0xc, &(0x7f0000007ff0)={&(0x7f0000000180)={0xffce, 0x2e, 0x6fd, 0x0, 0x0, {0x2004}, [@nested={0xc, 0x0, [@typed={0x62, 0x9, @ipv4}]}]}, 0xffce}, 0x1, 0x800000000000000}, 0x0) 03:39:16 executing program 0: perf_event_open(&(0x7f0000000180)={0x2, 0x70, 0x3e5}, 0x0, 0x0, 0xffffffffffffffff, 0x0) r0 = socket$inet_udp(0x2, 0x2, 0x0) sendto$inet(r0, &(0x7f0000000000), 0x0, 0x400c000, &(0x7f000083b000)={0x2, 0x4e20}, 0x10) r1 = syz_open_procfs(0x0, &(0x7f0000000080)='net/udp\x00') sendfile(r0, r1, &(0x7f0000000000)=0x100000000000000, 0xff) [ 1457.872898] BTRFS error (device loop2): unsupported checksum algorithm 3786 [ 1457.874572] 9pnet: p9_errstr2errno: server reported unknown error  [ 1457.880150] BTRFS error (device loop2): superblock checksum mismatch 03:39:16 executing program 4: r0 = socket$nl_xfrm(0x10, 0x3, 0x6) sendmsg$nl_xfrm(r0, &(0x7f0000000400)={&(0x7f0000000040)={0x10}, 0xc, &(0x7f00000001c0)={&(0x7f0000000080)=@updpolicy={0xb8, 0x14, 0x407, 0x0, 0x0, {{@in=@loopback=0x7f000001, @in6=@ipv4={[0x0, 0x0, 0x0, 0x0, 0x0, 0xffffff7f], [0xff, 0xff], @dev={0xac, 0x14, 0x14}}, 0x0, 0x0, 0x0, 0x0, 0x2}}}, 0xb8}, 0x1}, 0x0) 03:39:16 executing program 7: sendmsg$IPVS_CMD_FLUSH(0xffffffffffffffff, &(0x7f0000000340)={&(0x7f0000000100)={0x10}, 0xc, &(0x7f00000002c0)={&(0x7f00000001c0)=ANY=[@ANYBLOB='P\x00\x00\x00', @ANYBLOB="00000000000000000000110000002800030014000200697064647030000000000000000000000800040000000000080001000000000014000100080009000000000008005f50e2470000"], 0x2}, 0x1}, 0x0) r0 = socket$nl_generic(0x10, 0x3, 0x10) sendmsg$nl_generic(r0, &(0x7f00003cefe4)={&(0x7f0000000300)={0x10, 0x36200}, 0xc, &(0x7f0000007ff0)={&(0x7f0000000180)={0xffce, 0x2e, 0x6fd, 0x0, 0x0, {0x2004}, [@nested={0xc, 0x0, [@typed={0x62, 0x9, @ipv4}]}]}, 0xffce}, 0x1, 0x68000000}, 0x0) [ 1457.932496] BTRFS error (device loop2): open_ctree failed [ 1457.947019] 9pnet: p9_errstr2errno: server reported unknown error  [ 1457.958290] BTRFS error (device loop2): unsupported checksum algorithm 3786 [ 1457.965523] BTRFS error (device loop2): superblock checksum mismatch 03:39:16 executing program 2: r0 = socket$inet6(0xa, 0x1000000000002, 0x0) ioctl(r0, 0x8912, &(0x7f0000000280)="025cc83d6d345f8f762070") syz_mount_image$btrfs(&(0x7f0000000080)='btrfs\x00', &(0x7f0000000100)='./file0\x00', 0x0, 0x1, &(0x7f0000000200)=[{&(0x7f0000000500)="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", 0x116, 0x10000}], 0x0, &(0x7f0000000240)) 03:39:16 executing program 6: perf_event_open(&(0x7f0000000180)={0x2, 0x70, 0x3e5}, 0x0, 0x0, 0xffffffffffffffff, 0x0) ioctl$KVM_CREATE_VM(0xffffffffffffffff, 0xae01, 0x0) pipe2$9p(&(0x7f0000000000)={0xffffffffffffffff, 0xffffffffffffffff}, 0x0) write$P9_RLERRORu(r1, &(0x7f0000000080)=ANY=[@ANYBLOB="1400000007ffff0700"], 0x9) mkdir(&(0x7f0000000440)='./file0\x00', 0x0) mount$9p_fd(0x0, &(0x7f00000005c0)='./file0\x00', &(0x7f0000000600)='9p\x00', 0x0, &(0x7f0000000640)={'trans=fd,', {'rfdno', 0x3d, r0}, 0x2c, {'wfdno', 0x3d, r1}, 0x2c, {[{@version_9p2000='version=9p2000', 0x2c}], 0xfeffffff}}) 03:39:16 executing program 0: perf_event_open(&(0x7f0000000180)={0x2, 0x70, 0x3e5}, 0x0, 0x0, 0xffffffffffffffff, 0x0) r0 = socket$inet_udp(0x2, 0x2, 0x0) sendto$inet(r0, &(0x7f0000000000), 0x0, 0x400c000, &(0x7f000083b000)={0x2, 0x4e20}, 0x10) r1 = syz_open_procfs(0x0, &(0x7f0000000080)='net/udp\x00') sendfile(r0, r1, &(0x7f0000000000)=0x400000000000000, 0xff) [ 1458.006504] BTRFS error (device loop2): open_ctree failed [ 1458.075932] 9pnet: p9_errstr2errno: server reported unknown error  [ 1458.078049] BTRFS error (device loop2): unsupported checksum algorithm 3786 [ 1458.089599] BTRFS error (device loop2): superblock checksum mismatch [ 1458.097202] BTRFS error (device loop2): open_ctree failed [ 1458.106668] 9pnet: p9_errstr2errno: server reported unknown error  [ 1458.127701] BTRFS error (device loop2): unsupported checksum algorithm 3786 [ 1458.134899] BTRFS error (device loop2): superblock checksum mismatch [ 1458.152378] BTRFS error (device loop2): open_ctree failed 03:39:17 executing program 5: r0 = syz_open_dev$sndseq(&(0x7f0000dcc000)='/dev/snd/seq\x00', 0x0, 0x0) read(r0, &(0x7f0000000280)=""/28, 0x58) ioctl$SNDRV_SEQ_IOCTL_CREATE_PORT(r0, 0xc0a85320, &(0x7f0000418f50)={{0x80}, "0a4ceaa05d9a00000000000000039b3fd4cec307e8ef3d13eb790ec9c65abaf90d229db692542e5b78f8b29e0a27800f0000000000000009fb42f376589701a4", 0xa9824f69d1376637, 0x10800a}) ioctl$SNDRV_SEQ_IOCTL_REMOVE_EVENTS(r0, 0x4040534e, &(0x7f000019ffe9)={0xc1}) ioctl$SNDRV_SEQ_IOCTL_SET_PORT_INFO(r0, 0x40a85323, &(0x7f0000000080)={{0x80}, 'port1\x00'}) ioctl$SNDRV_SEQ_IOCTL_SUBSCRIBE_PORT(r0, 0x40505330, &(0x7f0000000140)) 03:39:17 executing program 4: r0 = socket$nl_xfrm(0x10, 0x3, 0x6) sendmsg$nl_xfrm(r0, &(0x7f0000000400)={&(0x7f0000000040)={0x10}, 0xc, &(0x7f00000001c0)={&(0x7f0000000080)=@updpolicy={0xb8, 0x14, 0x407, 0x0, 0x0, {{@in=@loopback=0x7f000001, @in6=@ipv4={[0x0, 0x0, 0x0, 0x0, 0x0, 0x2], [0xff, 0xff], @dev={0xac, 0x14, 0x14}}, 0x0, 0x0, 0x0, 0x0, 0x2}}}, 0xb8}, 0x1}, 0x0) 03:39:17 executing program 1: r0 = socket$inet6(0xa, 0x1000000000002, 0x0) ioctl(r0, 0x8912, &(0x7f0000000280)="025cc83d6d345f8f762070") syz_mount_image$btrfs(&(0x7f0000000080)='btrfs\x00', &(0x7f0000000100)='./file0\x00', 0x0, 0x1, &(0x7f0000000200)=[{&(0x7f0000000500)="8da4363a00000000000115260000004d01000000000000000000000000000000ecf6f2a2299748aeb81e1b00920efd9a000001000000000001000000000000005f42485266535f4dd2f873574f257e0a01e2a6a02f5e071383fa5a669a53f2fe9eb4eb7918628af41b", 0x69, 0x10000}], 0x0, &(0x7f0000000240)) 03:39:17 executing program 7: sendmsg$IPVS_CMD_FLUSH(0xffffffffffffffff, &(0x7f0000000340)={&(0x7f0000000100)={0x10}, 0xc, &(0x7f00000002c0)={&(0x7f00000001c0)=ANY=[@ANYBLOB='P\x00\x00\x00', @ANYBLOB="00000000000000000000110000002800030014000200697064647030000000000000000000000800040000000000080001000000000014000100080009000000000008005f50e2470000"], 0x2}, 0x1}, 0x0) r0 = socket$nl_generic(0x10, 0x3, 0x10) sendmsg$nl_generic(r0, &(0x7f00003cefe4)={&(0x7f0000000300)={0x10, 0x36200}, 0xc, &(0x7f0000007ff0)={&(0x7f0000000180)={0xffce, 0x2e, 0x6fd, 0x0, 0x0, {0x2004}, [@nested={0xc, 0x0, [@typed={0x62, 0x9, @ipv4}]}]}, 0xffce}, 0x1, 0x3000000}, 0x0) 03:39:17 executing program 0: perf_event_open(&(0x7f0000000180)={0x2, 0x70, 0x3e5}, 0x0, 0x0, 0xffffffffffffffff, 0x0) r0 = socket$inet_udp(0x2, 0x2, 0x0) sendto$inet(r0, &(0x7f0000000000), 0x0, 0x400c000, &(0x7f000083b000)={0x2, 0x4e20}, 0x10) r1 = syz_open_procfs(0x0, &(0x7f0000000080)='net/udp\x00') sendfile(r0, r1, &(0x7f0000000000)=0x20000000, 0xff) 03:39:17 executing program 6: perf_event_open(&(0x7f0000000180)={0x2, 0x70, 0x3e5}, 0x0, 0x0, 0xffffffffffffffff, 0x0) ioctl$KVM_CREATE_VM(0xffffffffffffffff, 0xae01, 0x0) pipe2$9p(&(0x7f0000000000)={0xffffffffffffffff, 0xffffffffffffffff}, 0x0) write$P9_RLERRORu(r1, &(0x7f0000000080)=ANY=[@ANYBLOB="1400000007ffff0700"], 0x9) mkdir(&(0x7f0000000440)='./file0\x00', 0x0) mount$9p_fd(0x0, &(0x7f00000005c0)='./file0\x00', &(0x7f0000000600)='9p\x00', 0x0, &(0x7f0000000640)={'trans=fd,', {'rfdno', 0x3d, r0}, 0x2c, {'wfdno', 0x3d, r1}, 0x2c, {[{@version_9p2000='version=9p2000', 0x2c}], 0x4000000}}) 03:39:17 executing program 2: r0 = socket$inet6(0xa, 0x1000000000002, 0x0) ioctl(r0, 0x8912, &(0x7f0000000280)="025cc83d6d345f8f762070") syz_mount_image$btrfs(&(0x7f0000000080)='btrfs\x00', &(0x7f0000000100)='./file0\x00', 0x0, 0x1, &(0x7f0000000200)=[{&(0x7f0000000500)="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", 0x116, 0x10000}], 0x0, &(0x7f0000000240)) 03:39:17 executing program 3: r0 = socket$inet(0x2, 0x4000000000000001, 0x0) setsockopt$inet_tcp_TCP_CONGESTION(r0, 0x6, 0xd, &(0x7f0000000140)='nv\x00', 0x3) sendto$inet(r0, &(0x7f0000a88f88), 0xfffffffffffffe6e, 0x20000000, &(0x7f0000e68000)={0x2, 0x0, @local={0xac, 0x14, 0x14, 0xaa}, [0x0, 0xfffffffe]}, 0x10) shutdown(r0, 0x0) [ 1458.813475] 9pnet: p9_errstr2errno: server reported unknown error  [ 1458.822137] BTRFS error (device loop2): unsupported checksum algorithm 3786 [ 1458.829310] BTRFS error (device loop2): superblock checksum mismatch [ 1458.838684] BTRFS error (device loop2): open_ctree failed [ 1458.846126] BTRFS error (device loop2): unsupported checksum algorithm 3786 [ 1458.853315] BTRFS error (device loop2): superblock checksum mismatch 03:39:17 executing program 7: sendmsg$IPVS_CMD_FLUSH(0xffffffffffffffff, &(0x7f0000000340)={&(0x7f0000000100)={0x10}, 0xc, &(0x7f00000002c0)={&(0x7f00000001c0)=ANY=[@ANYBLOB='P\x00\x00\x00', @ANYBLOB="00000000000000000000110000002800030014000200697064647030000000000000000000000800040000000000080001000000000014000100080009000000000008005f50e2470000"], 0x2}, 0x1}, 0x0) r0 = socket$nl_generic(0x10, 0x3, 0x10) sendmsg$nl_generic(r0, &(0x7f00003cefe4)={&(0x7f0000000300)={0x10, 0x36200}, 0xc, &(0x7f0000007ff0)={&(0x7f0000000180)={0xffce, 0x2e, 0x6fd, 0x0, 0x0, {0x2004}, [@nested={0xc, 0x0, [@typed={0x62, 0x9, @ipv4}]}]}, 0xffce}, 0x1, 0x0, 0xb00}, 0x0) 03:39:17 executing program 0: perf_event_open(&(0x7f0000000180)={0x2, 0x70, 0x3e5}, 0x0, 0x0, 0xffffffffffffffff, 0x0) r0 = socket$inet_udp(0x2, 0x2, 0x0) sendto$inet(r0, &(0x7f0000000000), 0x0, 0x400c000, &(0x7f000083b000)={0x2, 0x4e20}, 0x10) r1 = syz_open_procfs(0x0, &(0x7f0000000080)='net/udp\x00') sendfile(r0, r1, &(0x7f0000000000)=0x6000000, 0xff) 03:39:17 executing program 4: r0 = socket$nl_xfrm(0x10, 0x3, 0x6) sendmsg$nl_xfrm(r0, &(0x7f0000000400)={&(0x7f0000000040)={0x10}, 0xc, &(0x7f00000001c0)={&(0x7f0000000080)=@updpolicy={0xb8, 0x14, 0x407, 0x0, 0x0, {{@in=@loopback=0x7f000001, @in6=@ipv4={[0x0, 0x0, 0x0, 0x0, 0x0, 0xf0ffffffffffff], [0xff, 0xff], @dev={0xac, 0x14, 0x14}}, 0x0, 0x0, 0x0, 0x0, 0x2}}}, 0xb8}, 0x1}, 0x0) 03:39:17 executing program 2: r0 = socket$inet6(0xa, 0x1000000000002, 0x0) ioctl(r0, 0x8912, &(0x7f0000000280)="025cc83d6d345f8f762070") syz_mount_image$btrfs(&(0x7f0000000080)='btrfs\x00', &(0x7f0000000100)='./file0\x00', 0x0, 0x1, &(0x7f0000000200)=[{&(0x7f0000000500)="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", 0x116, 0x10000}], 0x0, &(0x7f0000000240)) [ 1458.863494] 9pnet: p9_errstr2errno: server reported unknown error  [ 1458.880037] BTRFS error (device loop2): open_ctree failed 03:39:17 executing program 6: perf_event_open(&(0x7f0000000180)={0x2, 0x70, 0x3e5}, 0x0, 0x0, 0xffffffffffffffff, 0x0) ioctl$KVM_CREATE_VM(0xffffffffffffffff, 0xae01, 0x0) pipe2$9p(&(0x7f0000000000)={0xffffffffffffffff, 0xffffffffffffffff}, 0x0) write$P9_RLERRORu(r1, &(0x7f0000000080)=ANY=[@ANYBLOB="1400000007ffff0700"], 0x9) mkdir(&(0x7f0000000440)='./file0\x00', 0x0) mount$9p_fd(0x0, &(0x7f00000005c0)='./file0\x00', &(0x7f0000000600)='9p\x00', 0x0, &(0x7f0000000640)={'trans=fd,', {'rfdno', 0x3d, r0}, 0x2c, {'wfdno', 0x3d, r1}, 0x2c, {[{@version_9p2000='version=9p2000', 0x2c}], 0xc0ed0000}}) 03:39:17 executing program 1: r0 = socket$inet6(0xa, 0x1000000000002, 0x0) ioctl(r0, 0x8912, &(0x7f0000000280)="025cc83d6d345f8f762070") syz_mount_image$btrfs(&(0x7f0000000080)='btrfs\x00', &(0x7f0000000100)='./file0\x00', 0x0, 0x1, &(0x7f0000000200)=[{&(0x7f0000000500)="8da4363a00000000680000000000004d01000000000000000000000000000000ecf6f2a2299748aeb81e1b00920efd9a000001000000000001000000000000005f42485266535f4dd2f873574f257e0a01e2a6a02f5e071383fa5a669a53f2fe9eb4eb7918628af41b", 0x69, 0x10000}], 0x0, &(0x7f0000000240)) [ 1458.905444] nla_parse: 40 callbacks suppressed [ 1458.905486] netlink: 104 bytes leftover after parsing attributes in process `syz-executor4'. [ 1458.940383] BTRFS error (device loop2): unsupported checksum algorithm 3786 [ 1458.947584] BTRFS error (device loop2): superblock checksum mismatch 03:39:17 executing program 7: sendmsg$IPVS_CMD_FLUSH(0xffffffffffffffff, &(0x7f0000000340)={&(0x7f0000000100)={0x10}, 0xc, &(0x7f00000002c0)={&(0x7f00000001c0)=ANY=[@ANYBLOB='P\x00\x00\x00', @ANYBLOB="00000000000000000000110000002800030014000200697064647030000000000000000000000800040000000000080001000000000014000100080009000000000008005f50e2470000"], 0x2}, 0x1}, 0x0) r0 = socket$nl_generic(0x10, 0x3, 0x10) sendmsg$nl_generic(r0, &(0x7f00003cefe4)={&(0x7f0000000300)={0x10, 0x36200}, 0xc, &(0x7f0000007ff0)={&(0x7f0000000180)={0xffce, 0x2e, 0x6fd, 0x0, 0x0, {0x2004}, [@nested={0xc, 0x0, [@typed={0x62, 0x9, @ipv4}]}]}, 0xffce}, 0x1, 0x0, 0x7a}, 0x0) 03:39:17 executing program 4: r0 = socket$nl_xfrm(0x10, 0x3, 0x6) sendmsg$nl_xfrm(r0, &(0x7f0000000400)={&(0x7f0000000040)={0x10}, 0xc, &(0x7f00000001c0)={&(0x7f0000000080)=@updpolicy={0xb8, 0x14, 0x407, 0x0, 0x0, {{@in=@loopback=0x7f000001, @in6=@ipv4={[0x0, 0x0, 0x0, 0x0, 0x0, 0x100000000000000], [0xff, 0xff], @dev={0xac, 0x14, 0x14}}, 0x0, 0x0, 0x0, 0x0, 0x2}}}, 0xb8}, 0x1}, 0x0) [ 1458.963070] BTRFS error (device loop2): open_ctree failed [ 1458.971448] 9pnet: p9_errstr2errno: server reported unknown error  [ 1458.984586] BTRFS error (device loop1): superblock checksum mismatch [ 1459.000880] 9pnet: p9_errstr2errno: server reported unknown error  [ 1459.014793] BTRFS error (device loop1): open_ctree failed [ 1459.021738] netlink: 104 bytes leftover after parsing attributes in process `syz-executor4'. [ 1459.035132] BTRFS error (device loop1): superblock checksum mismatch [ 1459.049850] BTRFS error (device loop1): open_ctree failed [ 1459.065167] BTRFS error (device loop1): superblock checksum mismatch [ 1459.097575] BTRFS error (device loop1): open_ctree failed 03:39:18 executing program 5: r0 = syz_open_dev$sndseq(&(0x7f0000dcc000)='/dev/snd/seq\x00', 0x0, 0x0) read(r0, &(0x7f0000000280)=""/28, 0x58) ioctl$SNDRV_SEQ_IOCTL_CREATE_PORT(r0, 0xc0a85320, &(0x7f0000418f50)={{0x80}, "0a4ceaa05d9a00000000000000039b3fd4cec307e8ef3d13eb790ec9c65abaf90d229db692542e5b78f8b29e0a27800f0000000000000009fb42f376589701a4", 0xa9824f69d1376637, 0x10800a}) ioctl$SNDRV_SEQ_IOCTL_REMOVE_EVENTS(r0, 0x4040534e, &(0x7f000019ffe9)={0xc1}) ioctl$SNDRV_SEQ_IOCTL_SET_PORT_INFO(r0, 0x40a85323, &(0x7f0000000080)={{0x80}, 'port1\x00'}) ioctl$SNDRV_SEQ_IOCTL_SUBSCRIBE_PORT(r0, 0x40505330, &(0x7f0000000140)) 03:39:18 executing program 0: perf_event_open(&(0x7f0000000180)={0x2, 0x70, 0x3e5}, 0x0, 0x0, 0xffffffffffffffff, 0x0) r0 = socket$inet_udp(0x2, 0x2, 0x0) sendto$inet(r0, &(0x7f0000000000), 0x0, 0x400c000, &(0x7f000083b000)={0x2, 0x4e20}, 0x10) r1 = syz_open_procfs(0x0, &(0x7f0000000080)='net/udp\x00') sendfile(r0, r1, &(0x7f0000000000)=0xa1ffffff, 0xff) 03:39:18 executing program 4: r0 = socket$nl_xfrm(0x10, 0x3, 0x6) sendmsg$nl_xfrm(r0, &(0x7f0000000400)={&(0x7f0000000040)={0x10}, 0xc, &(0x7f00000001c0)={&(0x7f0000000080)=@updpolicy={0xb8, 0x14, 0x407, 0x0, 0x0, {{@in=@loopback=0x7f000001, @in6=@ipv4={[0x0, 0x0, 0x0, 0x0, 0x0, 0x37230000], [0xff, 0xff], @dev={0xac, 0x14, 0x14}}, 0x0, 0x0, 0x0, 0x0, 0x2}}}, 0xb8}, 0x1}, 0x0) 03:39:18 executing program 7: sendmsg$IPVS_CMD_FLUSH(0xffffffffffffffff, &(0x7f0000000340)={&(0x7f0000000100)={0x10}, 0xc, &(0x7f00000002c0)={&(0x7f00000001c0)=ANY=[@ANYBLOB='P\x00\x00\x00', @ANYBLOB="00000000000000000000110000002800030014000200697064647030000000000000000000000800040000000000080001000000000014000100080009000000000008005f50e2470000"], 0x2}, 0x1}, 0x0) r0 = socket$nl_generic(0x10, 0x3, 0x10) sendmsg$nl_generic(r0, &(0x7f00003cefe4)={&(0x7f0000000300)={0x10, 0x36200}, 0xc, &(0x7f0000007ff0)={&(0x7f0000000180)={0xffce, 0x2e, 0x6fd, 0x0, 0x0, {0x2004}, [@nested={0xc, 0x0, [@typed={0x62, 0x9, @ipv4}]}]}, 0xffce}, 0x1, 0x0, 0x4800000000000000}, 0x0) 03:39:18 executing program 6: perf_event_open(&(0x7f0000000180)={0x2, 0x70, 0x3e5}, 0x0, 0x0, 0xffffffffffffffff, 0x0) ioctl$KVM_CREATE_VM(0xffffffffffffffff, 0xae01, 0x0) pipe2$9p(&(0x7f0000000000)={0xffffffffffffffff, 0xffffffffffffffff}, 0x0) write$P9_RLERRORu(r1, &(0x7f0000000080)=ANY=[@ANYBLOB="1400000007ffff0700"], 0x9) mkdir(&(0x7f0000000440)='./file0\x00', 0x0) mount$9p_fd(0x0, &(0x7f00000005c0)='./file0\x00', &(0x7f0000000600)='9p\x00', 0x0, &(0x7f0000000640)={'trans=fd,', {'rfdno', 0x3d, r0}, 0x2c, {'wfdno', 0x3d, r1}, 0x2c, {[{@version_9p2000='version=9p2000', 0x2c}], 0x60}}) 03:39:18 executing program 2: r0 = socket$inet6(0xa, 0x1000000000002, 0x0) ioctl(r0, 0x8912, &(0x7f0000000280)="025cc83d6d345f8f762070") syz_mount_image$btrfs(&(0x7f0000000080)='btrfs\x00', &(0x7f0000000100)='./file0\x00', 0x0, 0x1, &(0x7f0000000200)=[{&(0x7f0000000500)="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", 0x116, 0x10000}], 0x0, &(0x7f0000000240)) 03:39:18 executing program 1: r0 = socket$inet6(0xa, 0x1000000000002, 0x0) ioctl(r0, 0x8912, &(0x7f0000000280)="025cc83d6d345f8f762070") syz_mount_image$btrfs(&(0x7f0000000080)='btrfs\x00', &(0x7f0000000100)='./file0\x00', 0x0, 0x1, &(0x7f0000000200)=[{&(0x7f0000000500)="8da4363a000000006f0900000000004d01000000000000000000000000000000ecf6f2a2299748aeb81e1b00920efd9a000001000000000001000000000000005f42485266535f4dd2f873574f257e0a01e2a6a02f5e071383fa5a669a53f2fe9eb4eb7918628af41b", 0x69, 0x10000}], 0x0, &(0x7f0000000240)) 03:39:18 executing program 3: r0 = socket$inet(0x2, 0x4000000000000001, 0x0) setsockopt$inet_tcp_TCP_CONGESTION(r0, 0x6, 0xd, &(0x7f0000000140)='nv\x00', 0x3) sendto$inet(r0, &(0x7f0000a88f88), 0xfffffffffffffe6e, 0x20000000, &(0x7f0000e68000)={0x2, 0x0, @local={0xac, 0x14, 0x14, 0xaa}, [0x0, 0x900000000000000]}, 0x10) shutdown(r0, 0x0) [ 1459.870687] netlink: 104 bytes leftover after parsing attributes in process `syz-executor4'. [ 1459.889800] 9pnet: p9_errstr2errno: server reported unknown error  [ 1459.904659] BTRFS error (device loop2): unsupported checksum algorithm 3786 [ 1459.911861] BTRFS error (device loop2): superblock checksum mismatch 03:39:18 executing program 0: perf_event_open(&(0x7f0000000180)={0x2, 0x70, 0x3e5}, 0x0, 0x0, 0xffffffffffffffff, 0x0) r0 = socket$inet_udp(0x2, 0x2, 0x0) sendto$inet(r0, &(0x7f0000000000), 0x0, 0x400c000, &(0x7f000083b000)={0x2, 0x4e20}, 0x10) r1 = syz_open_procfs(0x0, &(0x7f0000000080)='net/udp\x00') sendfile(r0, r1, &(0x7f0000000000)=0x7a00, 0xff) 03:39:18 executing program 4: r0 = socket$nl_xfrm(0x10, 0x3, 0x6) sendmsg$nl_xfrm(r0, &(0x7f0000000400)={&(0x7f0000000040)={0x10}, 0xc, &(0x7f00000001c0)={&(0x7f0000000080)=@updpolicy={0xb8, 0x14, 0x407, 0x0, 0x0, {{@in=@loopback=0x7f000001, @in6=@ipv4={[0x0, 0x0, 0x0, 0x0, 0x0, 0x9effffff], [0xff, 0xff], @dev={0xac, 0x14, 0x14}}, 0x0, 0x0, 0x0, 0x0, 0x2}}}, 0xb8}, 0x1}, 0x0) 03:39:18 executing program 7: sendmsg$IPVS_CMD_FLUSH(0xffffffffffffffff, &(0x7f0000000340)={&(0x7f0000000100)={0x10}, 0xc, &(0x7f00000002c0)={&(0x7f00000001c0)=ANY=[@ANYBLOB='P\x00\x00\x00', @ANYBLOB="00000000000000000000110000002800030014000200697064647030000000000000000000000800040000000000080001000000000014000100080009000000000008005f50e2470000"], 0x2}, 0x1}, 0x0) r0 = socket$nl_generic(0x10, 0x3, 0x10) sendmsg$nl_generic(r0, &(0x7f00003cefe4)={&(0x7f0000000300)={0x10, 0x36200}, 0xc, &(0x7f0000007ff0)={&(0x7f0000000180)={0xffce, 0x2e, 0x6fd, 0x0, 0x0, {0x2004}, [@nested={0xc, 0x0, [@typed={0x62, 0x9, @ipv4}]}]}, 0xffce}, 0x1, 0x0, 0x9000000}, 0x0) [ 1459.925566] BTRFS error (device loop2): open_ctree failed [ 1459.933876] BTRFS error (device loop2): unsupported checksum algorithm 3786 [ 1459.941123] BTRFS error (device loop2): superblock checksum mismatch [ 1459.953981] 9pnet: p9_errstr2errno: server reported unknown error  03:39:18 executing program 6: perf_event_open(&(0x7f0000000180)={0x2, 0x70, 0x3e5}, 0x0, 0x0, 0xffffffffffffffff, 0x0) ioctl$KVM_CREATE_VM(0xffffffffffffffff, 0xae01, 0x0) pipe2$9p(&(0x7f0000000000)={0xffffffffffffffff, 0xffffffffffffffff}, 0x0) write$P9_RLERRORu(r1, &(0x7f0000000080)=ANY=[@ANYBLOB="1400000007ffff0700"], 0x9) mkdir(&(0x7f0000000440)='./file0\x00', 0x0) mount$9p_fd(0x0, &(0x7f00000005c0)='./file0\x00', &(0x7f0000000600)='9p\x00', 0x0, &(0x7f0000000640)={'trans=fd,', {'rfdno', 0x3d, r0}, 0x2c, {'wfdno', 0x3d, r1}, 0x2c, {[{@version_9p2000='version=9p2000', 0x2c}], 0x200000000000000}}) 03:39:18 executing program 2: r0 = socket$inet6(0xa, 0x1000000000002, 0x0) ioctl(r0, 0x8912, &(0x7f0000000280)="025cc83d6d345f8f762070") syz_mount_image$btrfs(&(0x7f0000000080)='btrfs\x00', &(0x7f0000000100)='./file0\x00', 0x0, 0x1, &(0x7f0000000200)=[{&(0x7f0000000500)="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", 0x116, 0x10000}], 0x0, &(0x7f0000000240)) 03:39:18 executing program 4: r0 = socket$nl_xfrm(0x10, 0x3, 0x6) sendmsg$nl_xfrm(r0, &(0x7f0000000400)={&(0x7f0000000040)={0x10}, 0xc, &(0x7f00000001c0)={&(0x7f0000000080)=@updpolicy={0xb8, 0x14, 0x407, 0x0, 0x0, {{@in=@loopback=0x7f000001, @in6=@ipv4={[0x0, 0x0, 0x0, 0x0, 0x0, 0xf0], [0xff, 0xff], @dev={0xac, 0x14, 0x14}}, 0x0, 0x0, 0x0, 0x0, 0x2}}}, 0xb8}, 0x1}, 0x0) 03:39:18 executing program 0: perf_event_open(&(0x7f0000000180)={0x2, 0x70, 0x3e5}, 0x0, 0x0, 0xffffffffffffffff, 0x0) r0 = socket$inet_udp(0x2, 0x2, 0x0) sendto$inet(r0, &(0x7f0000000000), 0x0, 0x400c000, &(0x7f000083b000)={0x2, 0x4e20}, 0x10) r1 = syz_open_procfs(0x0, &(0x7f0000000080)='net/udp\x00') sendfile(r0, r1, &(0x7f0000000000)=0x300, 0xff) 03:39:18 executing program 7: sendmsg$IPVS_CMD_FLUSH(0xffffffffffffffff, &(0x7f0000000340)={&(0x7f0000000100)={0x10}, 0xc, &(0x7f00000002c0)={&(0x7f00000001c0)=ANY=[@ANYBLOB='P\x00\x00\x00', @ANYBLOB="00000000000000000000110000002800030014000200697064647030000000000000000000000800040000000000080001000000000014000100080009000000000008005f50e2470000"], 0x2}, 0x1}, 0x0) r0 = socket$nl_generic(0x10, 0x3, 0x10) sendmsg$nl_generic(r0, &(0x7f00003cefe4)={&(0x7f0000000300)={0x10, 0x36200}, 0xc, &(0x7f0000007ff0)={&(0x7f0000000180)={0xffce, 0x2e, 0x6fd, 0x0, 0x0, {0x2004}, [@nested={0xc, 0x0, [@typed={0x62, 0x9, @ipv4}]}]}, 0xffce}, 0x1, 0x0, 0x7a00}, 0x0) [ 1459.983257] netlink: 104 bytes leftover after parsing attributes in process `syz-executor4'. [ 1460.008989] BTRFS error (device loop2): open_ctree failed [ 1460.062761] netlink: 104 bytes leftover after parsing attributes in process `syz-executor4'. [ 1460.082751] 9pnet: p9_errstr2errno: server reported unknown error  [ 1460.095773] BTRFS error (device loop2): unsupported checksum algorithm 3786 [ 1460.102963] BTRFS error (device loop2): superblock checksum mismatch [ 1460.135023] 9pnet: p9_errstr2errno: server reported unknown error  [ 1460.139159] BTRFS error (device loop2): open_ctree failed [ 1460.169529] BTRFS error (device loop2): unsupported checksum algorithm 3786 [ 1460.176699] BTRFS error (device loop2): superblock checksum mismatch [ 1460.184562] BTRFS error (device loop2): open_ctree failed 03:39:19 executing program 5: r0 = syz_open_dev$sndseq(&(0x7f0000dcc000)='/dev/snd/seq\x00', 0x0, 0x0) read(r0, &(0x7f0000000280)=""/28, 0x58) ioctl$SNDRV_SEQ_IOCTL_CREATE_PORT(r0, 0xc0a85320, &(0x7f0000418f50)={{0x80}, "0a4ceaa05d9a00000000000000039b3fd4cec307e8ef3d13eb790ec9c65abaf90d229db692542e5b78f8b29e0a27800f0000000000000009fb42f376589701a4", 0xa9824f69d1376637, 0x10800a}) ioctl$SNDRV_SEQ_IOCTL_REMOVE_EVENTS(r0, 0x4040534e, &(0x7f000019ffe9)={0xc1}) ioctl$SNDRV_SEQ_IOCTL_SET_PORT_INFO(r0, 0x40a85323, &(0x7f0000000080)={{0x80}, 'port1\x00'}) ioctl$SNDRV_SEQ_IOCTL_SUBSCRIBE_PORT(r0, 0x40505330, &(0x7f0000000140)) 03:39:19 executing program 4: r0 = socket$nl_xfrm(0x10, 0x3, 0x6) sendmsg$nl_xfrm(r0, &(0x7f0000000400)={&(0x7f0000000040)={0x10}, 0xc, &(0x7f00000001c0)={&(0x7f0000000080)=@updpolicy={0xb8, 0x14, 0x407, 0x0, 0x0, {{@in=@loopback=0x7f000001, @in6=@ipv4={[0x0, 0x0, 0x0, 0x0, 0x0, 0xffffff7f00000000], [0xff, 0xff], @dev={0xac, 0x14, 0x14}}, 0x0, 0x0, 0x0, 0x0, 0x2}}}, 0xb8}, 0x1}, 0x0) 03:39:19 executing program 1: r0 = socket$inet6(0xa, 0x1000000000002, 0x0) ioctl(r0, 0x8912, &(0x7f0000000280)="025cc83d6d345f8f762070") syz_mount_image$btrfs(&(0x7f0000000080)='btrfs\x00', &(0x7f0000000100)='./file0\x00', 0x0, 0x1, &(0x7f0000000200)=[{&(0x7f0000000500)="8da4363a00000000000300000000004d01000000000000000000000000000000ecf6f2a2299748aeb81e1b00920efd9a000001000000000001000000000000005f42485266535f4dd2f873574f257e0a01e2a6a02f5e071383fa5a669a53f2fe9eb4eb7918628af41b", 0x69, 0x10000}], 0x0, &(0x7f0000000240)) 03:39:19 executing program 0: perf_event_open(&(0x7f0000000180)={0x2, 0x70, 0x3e5}, 0x0, 0x0, 0xffffffffffffffff, 0x0) r0 = socket$inet_udp(0x2, 0x2, 0x0) sendto$inet(r0, &(0x7f0000000000), 0x0, 0x400c000, &(0x7f000083b000)={0x2, 0x4e20}, 0x10) r1 = syz_open_procfs(0x0, &(0x7f0000000080)='net/udp\x00') sendfile(r0, r1, &(0x7f0000000000)=0xffffffc0, 0xff) 03:39:19 executing program 7: sendmsg$IPVS_CMD_FLUSH(0xffffffffffffffff, &(0x7f0000000340)={&(0x7f0000000100)={0x10}, 0xc, &(0x7f00000002c0)={&(0x7f00000001c0)=ANY=[@ANYBLOB='P\x00\x00\x00', @ANYBLOB="00000000000000000000110000002800030014000200697064647030000000000000000000000800040000000000080001000000000014000100080009000000000008005f50e2470000"], 0x2}, 0x1}, 0x0) r0 = socket$nl_generic(0x10, 0x3, 0x10) sendmsg$nl_generic(r0, &(0x7f00003cefe4)={&(0x7f0000000300)={0x10, 0x36200}, 0xc, &(0x7f0000007ff0)={&(0x7f0000000180)={0xffce, 0x2e, 0x6fd, 0x0, 0x0, {0x2004}, [@nested={0xc, 0x0, [@typed={0x62, 0x9, @ipv4}]}]}, 0xffce}, 0x1, 0x0, 0xf000}, 0x0) 03:39:19 executing program 6: perf_event_open(&(0x7f0000000180)={0x2, 0x70, 0x3e5}, 0x0, 0x0, 0xffffffffffffffff, 0x0) ioctl$KVM_CREATE_VM(0xffffffffffffffff, 0xae01, 0x0) pipe2$9p(&(0x7f0000000000)={0xffffffffffffffff, 0xffffffffffffffff}, 0x0) write$P9_RLERRORu(r1, &(0x7f0000000080)=ANY=[@ANYBLOB="1400000007ffff0700"], 0x9) mkdir(&(0x7f0000000440)='./file0\x00', 0x0) mount$9p_fd(0x0, &(0x7f00000005c0)='./file0\x00', &(0x7f0000000600)='9p\x00', 0x0, &(0x7f0000000640)={'trans=fd,', {'rfdno', 0x3d, r0}, 0x2c, {'wfdno', 0x3d, r1}, 0x2c, {[{@version_9p2000='version=9p2000', 0x2c}], 0xf6ffffff00000000}}) 03:39:19 executing program 2: r0 = socket$inet6(0xa, 0x1000000000002, 0x0) ioctl(r0, 0x8912, &(0x7f0000000280)="025cc83d6d345f8f762070") syz_mount_image$btrfs(&(0x7f0000000080)='btrfs\x00', &(0x7f0000000100)='./file0\x00', 0x0, 0x1, &(0x7f0000000200)=[{&(0x7f0000000500)="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", 0x116, 0x10000}], 0x0, &(0x7f0000000240)) 03:39:19 executing program 3: r0 = socket$inet(0x2, 0x4000000000000001, 0x0) setsockopt$inet_tcp_TCP_CONGESTION(r0, 0x6, 0xd, &(0x7f0000000140)='nv\x00', 0x3) sendto$inet(r0, &(0x7f0000a88f88), 0xfffffffffffffe6e, 0x20000000, &(0x7f0000e68000)={0x2, 0x0, @local={0xac, 0x14, 0x14, 0xaa}, [0x0, 0x91ffffff]}, 0x10) shutdown(r0, 0x0) 03:39:19 executing program 0: perf_event_open(&(0x7f0000000180)={0x2, 0x70, 0x3e5}, 0x0, 0x0, 0xffffffffffffffff, 0x0) r0 = socket$inet_udp(0x2, 0x2, 0x0) sendto$inet(r0, &(0x7f0000000000), 0x0, 0x400c000, &(0x7f000083b000)={0x2, 0x4e20}, 0x10) r1 = syz_open_procfs(0x0, &(0x7f0000000080)='net/udp\x00') sendfile(r0, r1, &(0x7f0000000000)=0x9, 0xff) [ 1460.967022] netlink: 104 bytes leftover after parsing attributes in process `syz-executor4'. [ 1460.971936] 9pnet: p9_errstr2errno: server reported unknown error  [ 1460.990949] print_req_error: I/O error, dev loop1, sector 128 [ 1461.000723] BTRFS error (device loop2): unsupported checksum algorithm 3786 [ 1461.007913] BTRFS error (device loop2): superblock checksum mismatch 03:39:19 executing program 4: r0 = socket$nl_xfrm(0x10, 0x3, 0x6) sendmsg$nl_xfrm(r0, &(0x7f0000000400)={&(0x7f0000000040)={0x10}, 0xc, &(0x7f00000001c0)={&(0x7f0000000080)=@updpolicy={0xb8, 0x14, 0x407, 0x0, 0x0, {{@in=@loopback=0x7f000001, @in6=@ipv4={[0x0, 0x0, 0x0, 0x0, 0x0, 0x9effffff00000000], [0xff, 0xff], @dev={0xac, 0x14, 0x14}}, 0x0, 0x0, 0x0, 0x0, 0x2}}}, 0xb8}, 0x1}, 0x0) 03:39:19 executing program 7: sendmsg$IPVS_CMD_FLUSH(0xffffffffffffffff, &(0x7f0000000340)={&(0x7f0000000100)={0x10}, 0xc, &(0x7f00000002c0)={&(0x7f00000001c0)=ANY=[@ANYBLOB='P\x00\x00\x00', @ANYBLOB="00000000000000000000110000002800030014000200697064647030000000000000000000000800040000000000080001000000000014000100080009000000000008005f50e2470000"], 0x2}, 0x1}, 0x0) r0 = socket$nl_generic(0x10, 0x3, 0x10) sendmsg$nl_generic(r0, &(0x7f00003cefe4)={&(0x7f0000000300)={0x10, 0x36200}, 0xc, &(0x7f0000007ff0)={&(0x7f0000000180)={0xffce, 0x2e, 0x6fd, 0x0, 0x0, {0x2004}, [@nested={0xc, 0x0, [@typed={0x62, 0x9, @ipv4}]}]}, 0xffce}, 0x1, 0x0, 0x5416}, 0x0) 03:39:19 executing program 6: perf_event_open(&(0x7f0000000180)={0x2, 0x70, 0x3e5}, 0x0, 0x0, 0xffffffffffffffff, 0x0) ioctl$KVM_CREATE_VM(0xffffffffffffffff, 0xae01, 0x0) pipe2$9p(&(0x7f0000000000)={0xffffffffffffffff, 0xffffffffffffffff}, 0x0) write$P9_RLERRORu(r1, &(0x7f0000000080)=ANY=[@ANYBLOB="1400000007ffff0700"], 0x9) mkdir(&(0x7f0000000440)='./file0\x00', 0x0) mount$9p_fd(0x0, &(0x7f00000005c0)='./file0\x00', &(0x7f0000000600)='9p\x00', 0x0, &(0x7f0000000640)={'trans=fd,', {'rfdno', 0x3d, r0}, 0x2c, {'wfdno', 0x3d, r1}, 0x2c, {[{@version_9p2000='version=9p2000', 0x2c}], 0x9000000}}) [ 1461.025182] 9pnet: p9_errstr2errno: server reported unknown error  [ 1461.046842] netlink: 104 bytes leftover after parsing attributes in process `syz-executor4'. [ 1461.058480] BTRFS error (device loop2): open_ctree failed 03:39:19 executing program 4: r0 = socket$nl_xfrm(0x10, 0x3, 0x6) sendmsg$nl_xfrm(r0, &(0x7f0000000400)={&(0x7f0000000040)={0x10}, 0xc, &(0x7f00000001c0)={&(0x7f0000000080)=@updpolicy={0xb8, 0x14, 0x407, 0x0, 0x0, {{@in=@loopback=0x7f000001, @in6=@ipv4={[0x0, 0x0, 0x0, 0x0, 0x0, 0xf0ffffff], [0xff, 0xff], @dev={0xac, 0x14, 0x14}}, 0x0, 0x0, 0x0, 0x0, 0x2}}}, 0xb8}, 0x1}, 0x0) 03:39:19 executing program 0: perf_event_open(&(0x7f0000000180)={0x2, 0x70, 0x3e5}, 0x0, 0x0, 0xffffffffffffffff, 0x0) r0 = socket$inet_udp(0x2, 0x2, 0x0) sendto$inet(r0, &(0x7f0000000000), 0x0, 0x400c000, &(0x7f000083b000)={0x2, 0x4e20}, 0x10) r1 = syz_open_procfs(0x0, &(0x7f0000000080)='net/udp\x00') sendfile(r0, r1, &(0x7f0000000000)=0x300000000000000, 0xff) 03:39:19 executing program 7: sendmsg$IPVS_CMD_FLUSH(0xffffffffffffffff, &(0x7f0000000340)={&(0x7f0000000100)={0x10}, 0xc, &(0x7f00000002c0)={&(0x7f00000001c0)=ANY=[@ANYBLOB='P\x00\x00\x00', @ANYBLOB="00000000000000000000110000002800030014000200697064647030000000000000000000000800040000000000080001000000000014000100080009000000000008005f50e2470000"], 0x2}, 0x1}, 0x0) r0 = socket$nl_generic(0x10, 0x3, 0x10) sendmsg$nl_generic(r0, &(0x7f00003cefe4)={&(0x7f0000000300)={0x10, 0x36200}, 0xc, &(0x7f0000007ff0)={&(0x7f0000000180)={0xffce, 0x2e, 0x6fd, 0x0, 0x0, {0x2004}, [@nested={0xc, 0x0, [@typed={0x62, 0x9, @ipv4}]}]}, 0xffce}, 0x1, 0x0, 0xa00}, 0x0) [ 1461.078678] BTRFS error (device loop2): unsupported checksum algorithm 3786 [ 1461.085941] BTRFS error (device loop2): superblock checksum mismatch [ 1461.104500] 9pnet: p9_errstr2errno: server reported unknown error  03:39:19 executing program 2: r0 = socket$inet6(0xa, 0x1000000000002, 0x0) ioctl(r0, 0x8912, &(0x7f0000000280)="025cc83d6d345f8f762070") syz_mount_image$btrfs(&(0x7f0000000080)='btrfs\x00', &(0x7f0000000100)='./file0\x00', 0x0, 0x1, &(0x7f0000000200)=[{&(0x7f0000000500)="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", 0x116, 0x10000}], 0x0, &(0x7f0000000240)) [ 1461.132169] 9pnet: p9_errstr2errno: server reported unknown error  [ 1461.141356] netlink: 104 bytes leftover after parsing attributes in process `syz-executor4'. [ 1461.155318] BTRFS error (device loop2): open_ctree failed [ 1461.177442] BTRFS error (device loop1): superblock checksum mismatch [ 1461.205708] BTRFS error (device loop1): open_ctree failed [ 1461.233596] BTRFS error (device loop2): unsupported checksum algorithm 3786 [ 1461.240889] BTRFS error (device loop2): superblock checksum mismatch [ 1461.248514] BTRFS error (device loop2): open_ctree failed 03:39:20 executing program 5: r0 = syz_open_dev$sndseq(&(0x7f0000dcc000)='/dev/snd/seq\x00', 0x0, 0x0) read(r0, &(0x7f0000000280)=""/28, 0x58) ioctl$SNDRV_SEQ_IOCTL_CREATE_PORT(r0, 0xc0a85320, &(0x7f0000418f50)={{0x80}, "0a4ceaa05d9a00000000000000039b3fd4cec307e8ef3d13eb790ec9c65abaf90d229db692542e5b78f8b29e0a27800f0000000000000009fb42f376589701a4", 0xa9824f69d1376637, 0x10800a}) ioctl$SNDRV_SEQ_IOCTL_REMOVE_EVENTS(r0, 0x4040534e, &(0x7f000019ffe9)={0xc1}) ioctl$SNDRV_SEQ_IOCTL_SET_PORT_INFO(r0, 0x40a85323, &(0x7f0000000080)={{0x80}, 'port1\x00'}) openat$sequencer2(0xffffffffffffff9c, &(0x7f0000000040)='/dev/sequencer2\x00', 0x0, 0x0) 03:39:20 executing program 6: perf_event_open(&(0x7f0000000180)={0x2, 0x70, 0x3e5}, 0x0, 0x0, 0xffffffffffffffff, 0x0) ioctl$KVM_CREATE_VM(0xffffffffffffffff, 0xae01, 0x0) pipe2$9p(&(0x7f0000000000)={0xffffffffffffffff, 0xffffffffffffffff}, 0x0) write$P9_RLERRORu(r1, &(0x7f0000000080)=ANY=[@ANYBLOB="1400000007ffff0700"], 0x9) mkdir(&(0x7f0000000440)='./file0\x00', 0x0) mount$9p_fd(0x0, &(0x7f00000005c0)='./file0\x00', &(0x7f0000000600)='9p\x00', 0x0, &(0x7f0000000640)={'trans=fd,', {'rfdno', 0x3d, r0}, 0x2c, {'wfdno', 0x3d, r1}, 0x2c, {[{@version_9p2000='version=9p2000', 0x2c}], 0x20000000}}) 03:39:20 executing program 1: r0 = socket$inet6(0xa, 0x1000000000002, 0x0) ioctl(r0, 0x8912, &(0x7f0000000280)="025cc83d6d345f8f762070") syz_mount_image$btrfs(&(0x7f0000000080)='btrfs\x00', &(0x7f0000000100)='./file0\x00', 0x0, 0x1, &(0x7f0000000200)=[{&(0x7f0000000500)="8da4363a0000000002d000000000004d01000000000000000000000000000000ecf6f2a2299748aeb81e1b00920efd9a000001000000000001000000000000005f42485266535f4dd2f873574f257e0a01e2a6a02f5e071383fa5a669a53f2fe9eb4eb7918628af41b", 0x69, 0x10000}], 0x0, &(0x7f0000000240)) 03:39:20 executing program 7: sendmsg$IPVS_CMD_FLUSH(0xffffffffffffffff, &(0x7f0000000340)={&(0x7f0000000100)={0x10}, 0xc, &(0x7f00000002c0)={&(0x7f00000001c0)=ANY=[@ANYBLOB='P\x00\x00\x00', @ANYBLOB="00000000000000000000110000002800030014000200697064647030000000000000000000000800040000000000080001000000000014000100080009000000000008005f50e2470000"], 0x2}, 0x1}, 0x0) r0 = socket$nl_generic(0x10, 0x3, 0x10) sendmsg$nl_generic(r0, &(0x7f00003cefe4)={&(0x7f0000000300)={0x10, 0x36200}, 0xc, &(0x7f0000007ff0)={&(0x7f0000000180)={0xffce, 0x2e, 0x6fd, 0x0, 0x0, {0x2004}, [@nested={0xc, 0x0, [@typed={0x62, 0x9, @ipv4}]}]}, 0xffce}, 0x1, 0x0, 0x9effffff00000000}, 0x0) 03:39:20 executing program 4: r0 = socket$nl_xfrm(0x10, 0x3, 0x6) sendmsg$nl_xfrm(r0, &(0x7f0000000400)={&(0x7f0000000040)={0x10}, 0xc, &(0x7f00000001c0)={&(0x7f0000000080)=@updpolicy={0xb8, 0x14, 0x407, 0x0, 0x0, {{@in=@loopback=0x7f000001, @in6=@ipv4={[0x0, 0x0, 0x0, 0x0, 0x0, 0xfffffffffffff000], [0xff, 0xff], @dev={0xac, 0x14, 0x14}}, 0x0, 0x0, 0x0, 0x0, 0x2}}}, 0xb8}, 0x1}, 0x0) 03:39:20 executing program 0: perf_event_open(&(0x7f0000000180)={0x2, 0x70, 0x3e5}, 0x0, 0x0, 0xffffffffffffffff, 0x0) r0 = socket$inet_udp(0x2, 0x2, 0x0) sendto$inet(r0, &(0x7f0000000000), 0x0, 0x400c000, &(0x7f000083b000)={0x2, 0x4e20}, 0x10) r1 = syz_open_procfs(0x0, &(0x7f0000000080)='net/udp\x00') sendfile(r0, r1, &(0x7f0000000000)=0x900000000000000, 0xff) 03:39:20 executing program 2: r0 = socket$inet6(0xa, 0x1000000000002, 0x0) ioctl(r0, 0x8912, &(0x7f0000000280)="025cc83d6d345f8f762070") syz_mount_image$btrfs(&(0x7f0000000080)='btrfs\x00', &(0x7f0000000100)='./file0\x00', 0x0, 0x1, &(0x7f0000000200)=[{&(0x7f0000000500)="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", 0x116, 0x10000}], 0x0, &(0x7f0000000240)) 03:39:20 executing program 3: r0 = socket$inet(0x2, 0x4000000000000001, 0x0) setsockopt$inet_tcp_TCP_CONGESTION(r0, 0x6, 0xd, &(0x7f0000000140)='nv\x00', 0x3) sendto$inet(r0, &(0x7f0000a88f88), 0xfffffffffffffe6e, 0x20000000, &(0x7f0000e68000)={0x2, 0x0, @local={0xac, 0x14, 0x14, 0xaa}, [0x0, 0x6]}, 0x10) shutdown(r0, 0x0) 03:39:20 executing program 7: sendmsg$IPVS_CMD_FLUSH(0xffffffffffffffff, &(0x7f0000000340)={&(0x7f0000000100)={0x10}, 0xc, &(0x7f00000002c0)={&(0x7f00000001c0)=ANY=[@ANYBLOB='P\x00\x00\x00', @ANYBLOB="00000000000000000000110000002800030014000200697064647030000000000000000000000800040000000000080001000000000014000100080009000000000008005f50e2470000"], 0x2}, 0x1}, 0x0) r0 = socket$nl_generic(0x10, 0x3, 0x10) sendmsg$nl_generic(r0, &(0x7f00003cefe4)={&(0x7f0000000300)={0x10, 0x36200}, 0xc, &(0x7f0000007ff0)={&(0x7f0000000180)={0xffce, 0x2e, 0x6fd, 0x0, 0x0, {0x2004}, [@nested={0xc, 0x0, [@typed={0x62, 0x9, @ipv4}]}]}, 0xffce}, 0x1, 0x0, 0x400000000000000}, 0x0) 03:39:20 executing program 1: r0 = socket$inet6(0xa, 0x1000000000002, 0x0) ioctl(r0, 0x8912, &(0x7f0000000280)="025cc83d6d345f8f762070") syz_mount_image$btrfs(&(0x7f0000000080)='btrfs\x00', &(0x7f0000000100)='./file0\x00', 0x0, 0x1, &(0x7f0000000200)=[{&(0x7f0000000500)="8da4363a00000000000600000000004d01000000000000000000000000000000ecf6f2a2299748aeb81e1b00920efd9a000001000000000001000000000000005f42485266535f4dd2f873574f257e0a01e2a6a02f5e071383fa5a669a53f2fe9eb4eb7918628af41b", 0x69, 0x10000}], 0x0, &(0x7f0000000240)) 03:39:20 executing program 0: perf_event_open(&(0x7f0000000180)={0x2, 0x70, 0x3e5}, 0x0, 0x0, 0xffffffffffffffff, 0x0) r0 = socket$inet_udp(0x2, 0x2, 0x0) sendto$inet(r0, &(0x7f0000000000), 0x0, 0x400c000, &(0x7f000083b000)={0x2, 0x4e20}, 0x10) r1 = syz_open_procfs(0x0, &(0x7f0000000080)='net/udp\x00') sendfile(r0, r1, &(0x7f0000000000)=0xfeffffff, 0xff) [ 1462.077010] netlink: 104 bytes leftover after parsing attributes in process `syz-executor4'. [ 1462.089509] 9pnet: p9_errstr2errno: server reported unknown error  [ 1462.107286] BTRFS error (device loop2): unsupported checksum algorithm 3786 [ 1462.114490] BTRFS error (device loop2): superblock checksum mismatch 03:39:20 executing program 4: r0 = socket$nl_xfrm(0x10, 0x3, 0x6) sendmsg$nl_xfrm(r0, &(0x7f0000000400)={&(0x7f0000000040)={0x10}, 0xc, &(0x7f00000001c0)={&(0x7f0000000080)=@updpolicy={0xb8, 0x14, 0x407, 0x0, 0x0, {{@in=@loopback=0x7f000001, @in6=@ipv4={[0x0, 0x0, 0x0, 0x0, 0x0, 0x3723000000000000], [0xff, 0xff], @dev={0xac, 0x14, 0x14}}, 0x0, 0x0, 0x0, 0x0, 0x2}}}, 0xb8}, 0x1}, 0x0) 03:39:20 executing program 7: sendmsg$IPVS_CMD_FLUSH(0xffffffffffffffff, &(0x7f0000000340)={&(0x7f0000000100)={0x10}, 0xc, &(0x7f00000002c0)={&(0x7f00000001c0)=ANY=[@ANYBLOB='P\x00\x00\x00', @ANYBLOB="00000000000000000000110000002800030014000200697064647030000000000000000000000800040000000000080001000000000014000100080009000000000008005f50e2470000"], 0x2}, 0x1}, 0x0) r0 = socket$nl_generic(0x10, 0x3, 0x10) sendmsg$nl_generic(r0, &(0x7f00003cefe4)={&(0x7f0000000300)={0x10, 0x36200}, 0xc, &(0x7f0000007ff0)={&(0x7f0000000180)={0xffce, 0x2e, 0x6fd, 0x0, 0x0, {0x2004}, [@nested={0xc, 0x0, [@typed={0x62, 0x9, @ipv4}]}]}, 0xffce}, 0x1, 0x0, 0xa000000}, 0x0) [ 1462.132982] 9pnet: p9_errstr2errno: server reported unknown error  [ 1462.158861] BTRFS error (device loop2): open_ctree failed [ 1462.169894] BTRFS error (device loop1): superblock checksum mismatch 03:39:20 executing program 6: perf_event_open(&(0x7f0000000180)={0x2, 0x70, 0x3e5}, 0x0, 0x0, 0xffffffffffffffff, 0x0) ioctl$KVM_CREATE_VM(0xffffffffffffffff, 0xae01, 0x0) pipe2$9p(&(0x7f0000000000)={0xffffffffffffffff, 0xffffffffffffffff}, 0x0) write$P9_RLERRORu(r1, &(0x7f0000000080)=ANY=[@ANYBLOB="1400000007ffff0700"], 0x9) mkdir(&(0x7f0000000440)='./file0\x00', 0x0) mount$9p_fd(0x0, &(0x7f00000005c0)='./file0\x00', &(0x7f0000000600)='9p\x00', 0x0, &(0x7f0000000640)={'trans=fd,', {'rfdno', 0x3d, r0}, 0x2c, {'wfdno', 0x3d, r1}, 0x2c, {[{@version_9p2000='version=9p2000', 0x2c}], 0x100000000000000}}) [ 1462.173384] netlink: 104 bytes leftover after parsing attributes in process `syz-executor4'. 03:39:20 executing program 4: r0 = socket$nl_xfrm(0x10, 0x3, 0x6) sendmsg$nl_xfrm(r0, &(0x7f0000000400)={&(0x7f0000000040)={0x10}, 0xc, &(0x7f00000001c0)={&(0x7f0000000080)=@updpolicy={0xb8, 0x14, 0x407, 0x0, 0x0, {{@in=@loopback=0x7f000001, @in6=@ipv4={[0x0, 0x0, 0x0, 0x0, 0x0, 0xf0ffff], [0xff, 0xff], @dev={0xac, 0x14, 0x14}}, 0x0, 0x0, 0x0, 0x0, 0x2}}}, 0xb8}, 0x1}, 0x0) 03:39:20 executing program 0: perf_event_open(&(0x7f0000000180)={0x2, 0x70, 0x3e5}, 0x0, 0x0, 0xffffffffffffffff, 0x0) r0 = socket$inet_udp(0x2, 0x2, 0x0) sendto$inet(r0, &(0x7f0000000000), 0x0, 0x400c000, &(0x7f000083b000)={0x2, 0x4e20}, 0x10) r1 = syz_open_procfs(0x0, &(0x7f0000000080)='net/udp\x00') sendfile(r0, r1, &(0x7f0000000000)=0xff0f, 0xff) [ 1462.206756] BTRFS error (device loop1): open_ctree failed [ 1462.250152] 9pnet: p9_errstr2errno: server reported unknown error  03:39:21 executing program 4: r0 = socket$nl_xfrm(0x10, 0x3, 0x6) sendmsg$nl_xfrm(r0, &(0x7f0000000400)={&(0x7f0000000040)={0x10}, 0xc, &(0x7f00000001c0)={&(0x7f0000000080)=@updpolicy={0xb8, 0x14, 0x407, 0x0, 0x0, {{@in=@loopback=0x7f000001, @in6=@ipv4={[0x0, 0x0, 0x0, 0x0, 0x0, 0x2000], [0xff, 0xff], @dev={0xac, 0x14, 0x14}}, 0x0, 0x0, 0x0, 0x0, 0x2}}}, 0xb8}, 0x1}, 0x0) 03:39:21 executing program 2: r0 = socket$inet6(0xa, 0x1000000000002, 0x0) ioctl(r0, 0x8912, &(0x7f0000000280)="025cc83d6d345f8f762070") syz_mount_image$btrfs(&(0x7f0000000080)='btrfs\x00', &(0x7f0000000100)='./file0\x00', 0x0, 0x1, &(0x7f0000000200)=[{&(0x7f0000000500)="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", 0x116, 0x10000}], 0x0, &(0x7f0000000240)) 03:39:21 executing program 7: sendmsg$IPVS_CMD_FLUSH(0xffffffffffffffff, &(0x7f0000000340)={&(0x7f0000000100)={0x10}, 0xc, &(0x7f00000002c0)={&(0x7f00000001c0)=ANY=[@ANYBLOB='P\x00\x00\x00', @ANYBLOB="00000000000000000000110000002800030014000200697064647030000000000000000000000800040000000000080001000000000014000100080009000000000008005f50e2470000"], 0x2}, 0x1}, 0x0) r0 = socket$nl_generic(0x10, 0x3, 0x10) sendmsg$nl_generic(r0, &(0x7f00003cefe4)={&(0x7f0000000300)={0x10, 0x36200}, 0xc, &(0x7f0000007ff0)={&(0x7f0000000180)={0xffce, 0x2e, 0x6fd, 0x0, 0x0, {0x2004}, [@nested={0xc, 0x0, [@typed={0x62, 0x9, @ipv4}]}]}, 0xffce}, 0x1, 0x0, 0x9effffff}, 0x0) 03:39:21 executing program 3: r0 = socket$inet(0x2, 0x4000000000000001, 0x0) setsockopt$inet_tcp_TCP_CONGESTION(r0, 0x6, 0xd, &(0x7f0000000140)='nv\x00', 0x3) sendto$inet(r0, &(0x7f0000a88f88), 0xfffffffffffffe6e, 0x20000000, &(0x7f0000e68000)={0x2, 0x0, @local={0xac, 0x14, 0x14, 0xaa}, [0x0, 0x5000000000000]}, 0x10) shutdown(r0, 0x0) 03:39:21 executing program 5: r0 = syz_open_dev$sndseq(&(0x7f0000dcc000)='/dev/snd/seq\x00', 0x0, 0x0) read(r0, &(0x7f0000000280)=""/28, 0x58) ioctl$SNDRV_SEQ_IOCTL_CREATE_PORT(r0, 0xc0a85320, &(0x7f0000418f50)={{0x80}, "0a4ceaa05d9a00000000000000039b3fd4cec307e8ef3d13eb790ec9c65abaf90d229db692542e5b78f8b29e0a27800f0000000000000009fb42f376589701a4", 0xa9824f69d1376637, 0x10800a}) ioctl$SNDRV_SEQ_IOCTL_REMOVE_EVENTS(r0, 0x4040534e, &(0x7f000019ffe9)={0xc1}) ioctl$SNDRV_SEQ_IOCTL_SET_PORT_INFO(r0, 0x40a85323, &(0x7f0000000080)={{0x80}, 'port1\x00'}) openat$sequencer2(0xffffffffffffff9c, &(0x7f0000000040)='/dev/sequencer2\x00', 0x0, 0x0) 03:39:21 executing program 1: r0 = socket$inet6(0xa, 0x1000000000002, 0x0) ioctl(r0, 0x8912, &(0x7f0000000280)="025cc83d6d345f8f762070") syz_mount_image$btrfs(&(0x7f0000000080)='btrfs\x00', &(0x7f0000000100)='./file0\x00', 0x0, 0x1, &(0x7f0000000200)=[{&(0x7f0000000500)="8da4363a00000000000115220000004d01000000000000000000000000000000ecf6f2a2299748aeb81e1b00920efd9a000001000000000001000000000000005f42485266535f4dd2f873574f257e0a01e2a6a02f5e071383fa5a669a53f2fe9eb4eb7918628af41b", 0x69, 0x10000}], 0x0, &(0x7f0000000240)) 03:39:21 executing program 6: perf_event_open(&(0x7f0000000180)={0x2, 0x70, 0x3e5}, 0x0, 0x0, 0xffffffffffffffff, 0x0) ioctl$KVM_CREATE_VM(0xffffffffffffffff, 0xae01, 0x0) pipe2$9p(&(0x7f0000000000)={0xffffffffffffffff, 0xffffffffffffffff}, 0x0) write$P9_RLERRORu(r1, &(0x7f0000000080)=ANY=[@ANYBLOB="1400000007ffff0700"], 0x9) mkdir(&(0x7f0000000440)='./file0\x00', 0x0) mount$9p_fd(0x0, &(0x7f00000005c0)='./file0\x00', &(0x7f0000000600)='9p\x00', 0x0, &(0x7f0000000640)={'trans=fd,', {'rfdno', 0x3d, r0}, 0x2c, {'wfdno', 0x3d, r1}, 0x2c, {[{@version_9p2000='version=9p2000', 0x2c}], 0xff00000000000000}}) 03:39:21 executing program 0: perf_event_open(&(0x7f0000000180)={0x2, 0x70, 0x3e5}, 0x0, 0x0, 0xffffffffffffffff, 0x0) r0 = socket$inet_udp(0x2, 0x2, 0x0) sendto$inet(r0, &(0x7f0000000000), 0x0, 0x400c000, &(0x7f000083b000)={0x2, 0x4e20}, 0x10) r1 = syz_open_procfs(0x0, &(0x7f0000000080)='net/udp\x00') sendfile(r0, r1, &(0x7f0000000000)=0xe8030000, 0xff) 03:39:21 executing program 0: perf_event_open(&(0x7f0000000180)={0x2, 0x70, 0x3e5}, 0x0, 0x0, 0xffffffffffffffff, 0x0) r0 = socket$inet_udp(0x2, 0x2, 0x0) sendto$inet(r0, &(0x7f0000000000), 0x0, 0x400c000, &(0x7f000083b000)={0x2, 0x4e20}, 0x10) r1 = syz_open_procfs(0x0, &(0x7f0000000080)='net/udp\x00') sendfile(r0, r1, &(0x7f0000000000)=0xa, 0xff) 03:39:21 executing program 4: r0 = socket$nl_xfrm(0x10, 0x3, 0x6) sendmsg$nl_xfrm(r0, &(0x7f0000000400)={&(0x7f0000000040)={0x10}, 0xc, &(0x7f00000001c0)={&(0x7f0000000080)=@updpolicy={0xb8, 0x14, 0x407, 0x0, 0x0, {{@in=@loopback=0x7f000001, @in6=@ipv4={[0x0, 0x0, 0x0, 0x0, 0x0, 0xfffffff0], [0xff, 0xff], @dev={0xac, 0x14, 0x14}}, 0x0, 0x0, 0x0, 0x0, 0x2}}}, 0xb8}, 0x1}, 0x0) 03:39:21 executing program 7: sendmsg$IPVS_CMD_FLUSH(0xffffffffffffffff, &(0x7f0000000340)={&(0x7f0000000100)={0x10}, 0xc, &(0x7f00000002c0)={&(0x7f00000001c0)=ANY=[@ANYBLOB='P\x00\x00\x00', @ANYBLOB="00000000000000000000110000002800030014000200697064647030000000000000000000000800040000000000080001000000000014000100080009000000000008005f50e2470000"], 0x2}, 0x1}, 0x0) r0 = socket$nl_generic(0x10, 0x3, 0x10) sendmsg$nl_generic(r0, &(0x7f00003cefe4)={&(0x7f0000000300)={0x10, 0x36200}, 0xc, &(0x7f0000007ff0)={&(0x7f0000000180)={0xffce, 0x2e, 0x6fd, 0x0, 0x0, {0x2004}, [@nested={0xc, 0x0, [@typed={0x62, 0x9, @ipv4}]}]}, 0xffce}, 0x1, 0x0, 0x300}, 0x0) [ 1463.019090] 9pnet: p9_errstr2errno: server reported unknown error  [ 1463.032349] BTRFS error (device loop2): unsupported checksum algorithm 3786 [ 1463.039600] BTRFS error (device loop2): superblock checksum mismatch 03:39:21 executing program 6: perf_event_open(&(0x7f0000000180)={0x2, 0x70, 0x3e5}, 0x0, 0x0, 0xffffffffffffffff, 0x0) ioctl$KVM_CREATE_VM(0xffffffffffffffff, 0xae01, 0x0) pipe2$9p(&(0x7f0000000000)={0xffffffffffffffff, 0xffffffffffffffff}, 0x0) write$P9_RLERRORu(r1, &(0x7f0000000080)=ANY=[@ANYBLOB="1400000007ffff0700"], 0x9) mkdir(&(0x7f0000000440)='./file0\x00', 0x0) mount$9p_fd(0x0, &(0x7f00000005c0)='./file0\x00', &(0x7f0000000600)='9p\x00', 0x0, &(0x7f0000000640)={'trans=fd,', {'rfdno', 0x3d, r0}, 0x2c, {'wfdno', 0x3d, r1}, 0x2c, {[{@version_9p2000='version=9p2000', 0x2c}], 0xffffff8c}}) 03:39:21 executing program 0: perf_event_open(&(0x7f0000000180)={0x2, 0x70, 0x3e5}, 0x0, 0x0, 0xffffffffffffffff, 0x0) r0 = socket$inet_udp(0x2, 0x2, 0x0) sendto$inet(r0, &(0x7f0000000000), 0x0, 0x400c000, &(0x7f000083b000)={0x2, 0x4e20}, 0x10) r1 = syz_open_procfs(0x0, &(0x7f0000000080)='net/udp\x00') sendfile(r0, r1, &(0x7f0000000000)=0x4c00000000000000, 0xff) [ 1463.081353] BTRFS error (device loop2): open_ctree failed [ 1463.096384] BTRFS error (device loop2): unsupported checksum algorithm 3786 [ 1463.103591] BTRFS error (device loop2): superblock checksum mismatch 03:39:21 executing program 2: r0 = socket$inet6(0xa, 0x1000000000002, 0x0) ioctl(r0, 0x8912, &(0x7f0000000280)="025cc83d6d345f8f762070") syz_mount_image$btrfs(&(0x7f0000000080)='btrfs\x00', &(0x7f0000000100)='./file0\x00', 0x0, 0x1, &(0x7f0000000200)=[{&(0x7f0000000500)="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", 0x116, 0x10000}], 0x0, &(0x7f0000000240)) 03:39:21 executing program 1: r0 = socket$inet6(0xa, 0x1000000000002, 0x0) ioctl(r0, 0x8912, &(0x7f0000000280)="025cc83d6d345f8f762070") syz_mount_image$btrfs(&(0x7f0000000080)='btrfs\x00', &(0x7f0000000100)='./file0\x00', 0x0, 0x1, &(0x7f0000000200)=[{&(0x7f0000000500)="8da4363a0000000000000fff0000004d01000000000000000000000000000000ecf6f2a2299748aeb81e1b00920efd9a000001000000000001000000000000005f42485266535f4dd2f873574f257e0a01e2a6a02f5e071383fa5a669a53f2fe9eb4eb7918628af41b", 0x69, 0x10000}], 0x0, &(0x7f0000000240)) 03:39:21 executing program 4: r0 = socket$nl_xfrm(0x10, 0x3, 0x6) sendmsg$nl_xfrm(r0, &(0x7f0000000400)={&(0x7f0000000040)={0x10}, 0xc, &(0x7f00000001c0)={&(0x7f0000000080)=@updpolicy={0xb8, 0x14, 0x407, 0x0, 0x0, {{@in=@loopback=0x7f000001, @in6=@ipv4={[0x0, 0x0, 0x0, 0x0, 0x0, 0x3], [0xff, 0xff], @dev={0xac, 0x14, 0x14}}, 0x0, 0x0, 0x0, 0x0, 0x2}}}, 0xb8}, 0x1}, 0x0) [ 1463.139090] BTRFS error (device loop2): open_ctree failed [ 1463.157170] 9pnet: p9_errstr2errno: server reported unknown error  03:39:21 executing program 7: sendmsg$IPVS_CMD_FLUSH(0xffffffffffffffff, &(0x7f0000000340)={&(0x7f0000000100)={0x10}, 0xc, &(0x7f00000002c0)={&(0x7f00000001c0)=ANY=[@ANYBLOB='P\x00\x00\x00', @ANYBLOB="00000000000000000000110000002800030014000200697064647030000000000000000000000800040000000000080001000000000014000100080009000000000008005f50e2470000"], 0x2}, 0x1}, 0x0) r0 = socket$nl_generic(0x10, 0x3, 0x10) sendmsg$nl_generic(r0, &(0x7f00003cefe4)={&(0x7f0000000300)={0x10, 0x36200}, 0xc, &(0x7f0000007ff0)={&(0x7f0000000180)={0xffce, 0x2e, 0x6fd, 0x0, 0x0, {0x2004}, [@nested={0xc, 0x0, [@typed={0x62, 0x9, @ipv4}]}]}, 0xffce}, 0x1, 0x0, 0x700}, 0x0) [ 1463.196085] 9pnet: p9_errstr2errno: server reported unknown error  [ 1463.232237] print_req_error: I/O error, dev loop1, sector 128 03:39:21 executing program 1: r0 = socket$inet6(0xa, 0x1000000000002, 0x0) ioctl(r0, 0x8912, &(0x7f0000000280)="025cc83d6d345f8f762070") syz_mount_image$btrfs(&(0x7f0000000080)='btrfs\x00', &(0x7f0000000100)='./file0\x00', 0x0, 0x1, &(0x7f0000000200)=[{&(0x7f0000000500)="8da4363a000000000000edc00000004d01000000000000000000000000000000ecf6f2a2299748aeb81e1b00920efd9a000001000000000001000000000000005f42485266535f4dd2f873574f257e0a01e2a6a02f5e071383fa5a669a53f2fe9eb4eb7918628af41b", 0x69, 0x10000}], 0x0, &(0x7f0000000240)) 03:39:21 executing program 0: perf_event_open(&(0x7f0000000180)={0x2, 0x70, 0x3e5}, 0x0, 0x0, 0xffffffffffffffff, 0x0) r0 = socket$inet_udp(0x2, 0x2, 0x0) sendto$inet(r0, &(0x7f0000000000), 0x0, 0x400c000, &(0x7f000083b000)={0x2, 0x4e20}, 0x10) r1 = syz_open_procfs(0x0, &(0x7f0000000080)='net/udp\x00') sendfile(r0, r1, &(0x7f0000000000)=0x7400000000000000, 0xff) [ 1463.242152] BTRFS error (device loop2): unsupported checksum algorithm 3786 [ 1463.249347] BTRFS error (device loop2): superblock checksum mismatch [ 1463.262513] BTRFS error (device loop2): open_ctree failed [ 1463.302261] BTRFS error (device loop2): unsupported checksum algorithm 3786 [ 1463.309488] BTRFS error (device loop2): superblock checksum mismatch [ 1463.317294] BTRFS error (device loop2): open_ctree failed [ 1463.325974] BTRFS error (device loop2): unsupported checksum algorithm 3786 [ 1463.333161] BTRFS error (device loop2): superblock checksum mismatch [ 1463.385180] BTRFS error (device loop2): open_ctree failed 03:39:22 executing program 5: r0 = syz_open_dev$sndseq(&(0x7f0000dcc000)='/dev/snd/seq\x00', 0x0, 0x0) read(r0, &(0x7f0000000280)=""/28, 0x58) ioctl$SNDRV_SEQ_IOCTL_CREATE_PORT(r0, 0xc0a85320, &(0x7f0000418f50)={{0x80}, "0a4ceaa05d9a00000000000000039b3fd4cec307e8ef3d13eb790ec9c65abaf90d229db692542e5b78f8b29e0a27800f0000000000000009fb42f376589701a4", 0xa9824f69d1376637, 0x10800a}) ioctl$SNDRV_SEQ_IOCTL_REMOVE_EVENTS(r0, 0x4040534e, &(0x7f000019ffe9)={0xc1}) ioctl$SNDRV_SEQ_IOCTL_SET_PORT_INFO(r0, 0x40a85323, &(0x7f0000000080)={{0x80}, 'port1\x00'}) openat$sequencer2(0xffffffffffffff9c, &(0x7f0000000040)='/dev/sequencer2\x00', 0x0, 0x0) 03:39:22 executing program 4: r0 = socket$nl_xfrm(0x10, 0x3, 0x6) sendmsg$nl_xfrm(r0, &(0x7f0000000400)={&(0x7f0000000040)={0x10}, 0xc, &(0x7f00000001c0)={&(0x7f0000000080)=@updpolicy={0xb8, 0x14, 0x407, 0x0, 0x0, {{@in=@loopback=0x7f000001, @in6=@ipv4={[0x0, 0x0, 0x0, 0x0, 0x0, 0xf00000000000000], [0xff, 0xff], @dev={0xac, 0x14, 0x14}}, 0x0, 0x0, 0x0, 0x0, 0x2}}}, 0xb8}, 0x1}, 0x0) 03:39:22 executing program 6: perf_event_open(&(0x7f0000000180)={0x2, 0x70, 0x3e5}, 0x0, 0x0, 0xffffffffffffffff, 0x0) ioctl$KVM_CREATE_VM(0xffffffffffffffff, 0xae01, 0x0) pipe2$9p(&(0x7f0000000000)={0xffffffffffffffff, 0xffffffffffffffff}, 0x0) write$P9_RLERRORu(r1, &(0x7f0000000080)=ANY=[@ANYBLOB="1400000007ffff0700"], 0x9) mkdir(&(0x7f0000000440)='./file0\x00', 0x0) mount$9p_fd(0x0, &(0x7f00000005c0)='./file0\x00', &(0x7f0000000600)='9p\x00', 0x0, &(0x7f0000000640)={'trans=fd,', {'rfdno', 0x3d, r0}, 0x2c, {'wfdno', 0x3d, r1}, 0x2c, {[{@version_9p2000='version=9p2000', 0x2c}], 0xfeffffff00000000}}) 03:39:22 executing program 7: sendmsg$IPVS_CMD_FLUSH(0xffffffffffffffff, &(0x7f0000000340)={&(0x7f0000000100)={0x10}, 0xc, &(0x7f00000002c0)={&(0x7f00000001c0)=ANY=[@ANYBLOB='P\x00\x00\x00', @ANYBLOB="00000000000000000000110000002800030014000200697064647030000000000000000000000800040000000000080001000000000014000100080009000000000008005f50e2470000"], 0x2}, 0x1}, 0x0) r0 = socket$nl_generic(0x10, 0x3, 0x10) sendmsg$nl_generic(r0, &(0x7f00003cefe4)={&(0x7f0000000300)={0x10, 0x36200}, 0xc, &(0x7f0000007ff0)={&(0x7f0000000180)={0xffce, 0x2e, 0x6fd, 0x0, 0x0, {0x2004}, [@nested={0xc, 0x0, [@typed={0x62, 0x9, @ipv4}]}]}, 0xffce}, 0x1, 0x0, 0x60}, 0x0) 03:39:22 executing program 0: perf_event_open(&(0x7f0000000180)={0x2, 0x70, 0x3e5}, 0x0, 0x0, 0xffffffffffffffff, 0x0) r0 = socket$inet_udp(0x2, 0x2, 0x0) sendto$inet(r0, &(0x7f0000000000), 0x0, 0x400c000, &(0x7f000083b000)={0x2, 0x4e20}, 0x10) r1 = syz_open_procfs(0x0, &(0x7f0000000080)='net/udp\x00') sendfile(r0, r1, &(0x7f0000000000)=0x500000000000000, 0xff) 03:39:22 executing program 2: r0 = socket$inet6(0xa, 0x1000000000002, 0x0) ioctl(r0, 0x8912, &(0x7f0000000280)="025cc83d6d345f8f762070") syz_mount_image$btrfs(&(0x7f0000000080)='btrfs\x00', &(0x7f0000000100)='./file0\x00', 0x0, 0x1, &(0x7f0000000200)=[{&(0x7f0000000500)="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", 0x116, 0x10000}], 0x0, &(0x7f0000000240)) 03:39:22 executing program 1: r0 = socket$inet6(0xa, 0x1000000000002, 0x0) ioctl(r0, 0x8912, &(0x7f0000000280)="025cc83d6d345f8f762070") syz_mount_image$btrfs(&(0x7f0000000080)='btrfs\x00', &(0x7f0000000100)='./file0\x00', 0x0, 0x1, &(0x7f0000000200)=[{&(0x7f0000000500)="8da4363a000000004c0000000000004d01000000000000000000000000000000ecf6f2a2299748aeb81e1b00920efd9a000001000000000001000000000000005f42485266535f4dd2f873574f257e0a01e2a6a02f5e071383fa5a669a53f2fe9eb4eb7918628af41b", 0x69, 0x10000}], 0x0, &(0x7f0000000240)) 03:39:22 executing program 3: r0 = socket$inet(0x2, 0x4000000000000001, 0x0) setsockopt$inet_tcp_TCP_CONGESTION(r0, 0x6, 0xd, &(0x7f0000000140)='nv\x00', 0x3) sendto$inet(r0, &(0x7f0000a88f88), 0xfffffffffffffe6e, 0x20000000, &(0x7f0000e68000)={0x2, 0x0, @local={0xac, 0x14, 0x14, 0xaa}, [0x0, 0x6000000]}, 0x10) shutdown(r0, 0x0) 03:39:22 executing program 0: perf_event_open(&(0x7f0000000180)={0x2, 0x70, 0x3e5}, 0x0, 0x0, 0xffffffffffffffff, 0x0) r0 = socket$inet_udp(0x2, 0x2, 0x0) sendto$inet(r0, &(0x7f0000000000), 0x0, 0x400c000, &(0x7f000083b000)={0x2, 0x4e20}, 0x10) r1 = syz_open_procfs(0x0, &(0x7f0000000080)='net/udp\x00') sendfile(r0, r1, &(0x7f0000000000)=0xe000000, 0xff) [ 1463.967491] nla_parse: 4 callbacks suppressed [ 1463.967502] netlink: 104 bytes leftover after parsing attributes in process `syz-executor4'. [ 1463.984121] 9pnet: p9_errstr2errno: server reported unknown error  [ 1463.998315] print_req_error: I/O error, dev loop1, sector 128 [ 1464.007560] BTRFS error (device loop2): unsupported checksum algorithm 3786 03:39:22 executing program 7: sendmsg$IPVS_CMD_FLUSH(0xffffffffffffffff, &(0x7f0000000340)={&(0x7f0000000100)={0x10}, 0xc, &(0x7f00000002c0)={&(0x7f00000001c0)=ANY=[@ANYBLOB='P\x00\x00\x00', @ANYBLOB="00000000000000000000110000002800030014000200697064647030000000000000000000000800040000000000080001000000000014000100080009000000000008005f50e2470000"], 0x2}, 0x1}, 0x0) r0 = socket$nl_generic(0x10, 0x3, 0x10) sendmsg$nl_generic(r0, &(0x7f00003cefe4)={&(0x7f0000000300)={0x10, 0x36200}, 0xc, &(0x7f0000007ff0)={&(0x7f0000000180)={0xffce, 0x2e, 0x6fd, 0x0, 0x0, {0x2004}, [@nested={0xc, 0x0, [@typed={0x62, 0x9, @ipv4}]}]}, 0xffce}, 0x1, 0x0, 0xfffffff0}, 0x0) [ 1464.014826] BTRFS error (device loop2): superblock checksum mismatch [ 1464.015537] 9pnet: p9_errstr2errno: server reported unknown error  [ 1464.034466] netlink: 104 bytes leftover after parsing attributes in process `syz-executor4'. [ 1464.056350] BTRFS error (device loop2): open_ctree failed 03:39:22 executing program 0: perf_event_open(&(0x7f0000000180)={0x2, 0x70, 0x3e5}, 0x0, 0x0, 0xffffffffffffffff, 0x0) r0 = socket$inet_udp(0x2, 0x2, 0x0) sendto$inet(r0, &(0x7f0000000000), 0x0, 0x400c000, &(0x7f000083b000)={0x2, 0x4e20}, 0x10) r1 = syz_open_procfs(0x0, &(0x7f0000000080)='net/udp\x00') sendfile(r0, r1, &(0x7f0000000000)=0x74000000, 0xff) 03:39:22 executing program 6: perf_event_open(&(0x7f0000000180)={0x2, 0x70, 0x3e5}, 0x0, 0x0, 0xffffffffffffffff, 0x0) ioctl$KVM_CREATE_VM(0xffffffffffffffff, 0xae01, 0x0) pipe2$9p(&(0x7f0000000000)={0xffffffffffffffff, 0xffffffffffffffff}, 0x0) write$P9_RLERRORu(r1, &(0x7f0000000080)=ANY=[@ANYBLOB="1400000007ffff0700"], 0x9) mkdir(&(0x7f0000000440)='./file0\x00', 0x0) mount$9p_fd(0x0, &(0x7f00000005c0)='./file0\x00', &(0x7f0000000600)='9p\x00', 0x0, &(0x7f0000000640)={'trans=fd,', {'rfdno', 0x3d, r0}, 0x2c, {'wfdno', 0x3d, r1}, 0x2c, {[{@version_9p2000='version=9p2000', 0x2c}], 0xedc000000000}}) 03:39:22 executing program 4: r0 = socket$nl_xfrm(0x10, 0x3, 0x6) sendmsg$nl_xfrm(r0, &(0x7f0000000400)={&(0x7f0000000040)={0x10}, 0xc, &(0x7f00000001c0)={&(0x7f0000000080)=@updpolicy={0xb8, 0x14, 0x407, 0x0, 0x0, {{@in=@loopback=0x7f000001, @in6=@ipv4={[0x0, 0x0, 0x0, 0x0, 0x0, 0x2000000000000000], [0xff, 0xff], @dev={0xac, 0x14, 0x14}}, 0x0, 0x0, 0x0, 0x0, 0x2}}}, 0xb8}, 0x1}, 0x0) 03:39:22 executing program 7: sendmsg$IPVS_CMD_FLUSH(0xffffffffffffffff, &(0x7f0000000340)={&(0x7f0000000100)={0x10}, 0xc, &(0x7f00000002c0)={&(0x7f00000001c0)=ANY=[@ANYBLOB='P\x00\x00\x00', @ANYBLOB="00000000000000000000110000002800030014000200697064647030000000000000000000000800040000000000080001000000000014000100080009000000000008005f50e2470000"], 0x2}, 0x1}, 0x0) r0 = socket$nl_generic(0x10, 0x3, 0x10) sendmsg$nl_generic(r0, &(0x7f00003cefe4)={&(0x7f0000000300)={0x10, 0x36200}, 0xc, &(0x7f0000007ff0)={&(0x7f0000000180)={0xffce, 0x2e, 0x6fd, 0x0, 0x0, {0x2004}, [@nested={0xc, 0x0, [@typed={0x62, 0x9, @ipv4}]}]}, 0xffce}, 0x1, 0x0, 0xa00000000000000}, 0x0) 03:39:22 executing program 2: r0 = socket$inet6(0xa, 0x1000000000002, 0x0) ioctl(r0, 0x8912, &(0x7f0000000280)="025cc83d6d345f8f762070") syz_mount_image$btrfs(&(0x7f0000000080)='btrfs\x00', &(0x7f0000000100)='./file0\x00', 0x0, 0x1, &(0x7f0000000200)=[{&(0x7f0000000500)="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", 0x116, 0x10000}], 0x0, &(0x7f0000000240)) [ 1464.074016] BTRFS error (device loop2): unsupported checksum algorithm 3786 [ 1464.081196] BTRFS error (device loop2): superblock checksum mismatch [ 1464.113841] 9pnet: p9_errstr2errno: server reported unknown error  03:39:22 executing program 0: perf_event_open(&(0x7f0000000180)={0x2, 0x70, 0x3e5}, 0x0, 0x0, 0xffffffffffffffff, 0x0) r0 = socket$inet_udp(0x2, 0x2, 0x0) sendto$inet(r0, &(0x7f0000000000), 0x0, 0x400c000, &(0x7f000083b000)={0x2, 0x4e20}, 0x10) r1 = syz_open_procfs(0x0, &(0x7f0000000080)='net/udp\x00') sendfile(r0, r1, &(0x7f0000000000)=0xf4010000, 0xff) [ 1464.134288] BTRFS error (device loop2): open_ctree failed [ 1464.143897] netlink: 104 bytes leftover after parsing attributes in process `syz-executor4'. [ 1464.162556] 9pnet: p9_errstr2errno: server reported unknown error  [ 1464.193794] BTRFS error (device loop1): superblock checksum mismatch [ 1464.229596] BTRFS error (device loop1): open_ctree failed [ 1464.246672] BTRFS error (device loop2): unsupported checksum algorithm 3786 [ 1464.253886] BTRFS error (device loop2): superblock checksum mismatch [ 1464.261461] BTRFS error (device loop2): open_ctree failed 03:39:23 executing program 5: r0 = syz_open_dev$sndseq(&(0x7f0000dcc000)='/dev/snd/seq\x00', 0x0, 0x0) read(r0, &(0x7f0000000280)=""/28, 0x58) ioctl$SNDRV_SEQ_IOCTL_CREATE_PORT(r0, 0xc0a85320, &(0x7f0000418f50)={{0x80}, "0a4ceaa05d9a00000000000000039b3fd4cec307e8ef3d13eb790ec9c65abaf90d229db692542e5b78f8b29e0a27800f0000000000000009fb42f376589701a4", 0xa9824f69d1376637, 0x10800a}) ioctl$SNDRV_SEQ_IOCTL_SET_PORT_INFO(r0, 0x40a85323, &(0x7f0000000080)={{0x80}, 'port1\x00'}) ioctl$SNDRV_SEQ_IOCTL_SUBSCRIBE_PORT(r0, 0x40505330, &(0x7f0000000140)) openat$sequencer2(0xffffffffffffff9c, &(0x7f0000000040)='/dev/sequencer2\x00', 0x0, 0x0) 03:39:23 executing program 1: r0 = socket$inet6(0xa, 0x1000000000002, 0x0) ioctl(r0, 0x8912, &(0x7f0000000280)="025cc83d6d345f8f762070") syz_mount_image$btrfs(&(0x7f0000000080)='btrfs\x00', &(0x7f0000000100)='./file0\x00', 0x0, 0x1, &(0x7f0000000200)=[{&(0x7f0000000500)="8da4363a000000001f1501000000004d01000000000000000000000000000000ecf6f2a2299748aeb81e1b00920efd9a000001000000000001000000000000005f42485266535f4dd2f873574f257e0a01e2a6a02f5e071383fa5a669a53f2fe9eb4eb7918628af41b", 0x69, 0x10000}], 0x0, &(0x7f0000000240)) 03:39:23 executing program 7: sendmsg$IPVS_CMD_FLUSH(0xffffffffffffffff, &(0x7f0000000340)={&(0x7f0000000100)={0x10}, 0xc, &(0x7f00000002c0)={&(0x7f00000001c0)=ANY=[@ANYBLOB='P\x00\x00\x00', @ANYBLOB="00000000000000000000110000002800030014000200697064647030000000000000000000000800040000000000080001000000000014000100080009000000000008005f50e2470000"], 0x2}, 0x1}, 0x0) r0 = socket$nl_generic(0x10, 0x3, 0x10) sendmsg$nl_generic(r0, &(0x7f00003cefe4)={&(0x7f0000000300)={0x10, 0x36200}, 0xc, &(0x7f0000007ff0)={&(0x7f0000000180)={0xffce, 0x2e, 0x6fd, 0x0, 0x0, {0x2004}, [@nested={0xc, 0x0, [@typed={0x62, 0x9, @ipv4}]}]}, 0xffce}, 0x1, 0x0, 0xffffff7f}, 0x0) 03:39:23 executing program 6: perf_event_open(&(0x7f0000000180)={0x2, 0x70, 0x3e5}, 0x0, 0x0, 0xffffffffffffffff, 0x0) ioctl$KVM_CREATE_VM(0xffffffffffffffff, 0xae01, 0x0) pipe2$9p(&(0x7f0000000000)={0xffffffffffffffff, 0xffffffffffffffff}, 0x0) write$P9_RLERRORu(r1, &(0x7f0000000080)=ANY=[@ANYBLOB="1400000007ffff0700"], 0x9) mkdir(&(0x7f0000000440)='./file0\x00', 0x0) mount$9p_fd(0x0, &(0x7f00000005c0)='./file0\x00', &(0x7f0000000600)='9p\x00', 0x0, &(0x7f0000000640)={'trans=fd,', {'rfdno', 0x3d, r0}, 0x2c, {'wfdno', 0x3d, r1}, 0x2c, {[{@version_9p2000='version=9p2000', 0x2c}], 0x8cffffff00000000}}) 03:39:23 executing program 4: r0 = socket$nl_xfrm(0x10, 0x3, 0x6) sendmsg$nl_xfrm(r0, &(0x7f0000000400)={&(0x7f0000000040)={0x10}, 0xc, &(0x7f00000001c0)={&(0x7f0000000080)=@updpolicy={0xb8, 0x14, 0x407, 0x0, 0x0, {{@in=@loopback=0x7f000001, @in6=@ipv4={[0x0, 0x0, 0x0, 0x0, 0x0, 0x34000], [0xff, 0xff], @dev={0xac, 0x14, 0x14}}, 0x0, 0x0, 0x0, 0x0, 0x2}}}, 0xb8}, 0x1}, 0x0) 03:39:23 executing program 0: perf_event_open(&(0x7f0000000180)={0x2, 0x70, 0x3e5}, 0x0, 0x0, 0xffffffffffffffff, 0x0) r0 = socket$inet_udp(0x2, 0x2, 0x0) sendto$inet(r0, &(0x7f0000000000), 0x0, 0x400c000, &(0x7f000083b000)={0x2, 0x4e20}, 0x10) r1 = syz_open_procfs(0x0, &(0x7f0000000080)='net/udp\x00') sendfile(r0, r1, &(0x7f0000000000)=0xc0ffffff, 0xff) 03:39:23 executing program 3: r0 = socket$inet(0x2, 0x4000000000000001, 0x0) setsockopt$inet_tcp_TCP_CONGESTION(r0, 0x6, 0xd, &(0x7f0000000140)='nv\x00', 0x3) sendto$inet(r0, &(0x7f0000a88f88), 0xfffffffffffffe6e, 0x20000000, &(0x7f0000e68000)={0x2, 0x0, @local={0xac, 0x14, 0x14, 0xaa}, [0x0, 0x3ca3]}, 0x10) shutdown(r0, 0x0) 03:39:23 executing program 2: r0 = socket$inet6(0xa, 0x1000000000002, 0x0) ioctl(r0, 0x8912, &(0x7f0000000280)="025cc83d6d345f8f762070") syz_mount_image$btrfs(&(0x7f0000000080)='btrfs\x00', &(0x7f0000000100)='./file0\x00', 0x0, 0x1, &(0x7f0000000200)=[{&(0x7f0000000500)="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", 0x116, 0x10000}], 0x0, &(0x7f0000000240)) 03:39:23 executing program 7: sendmsg$IPVS_CMD_FLUSH(0xffffffffffffffff, &(0x7f0000000340)={&(0x7f0000000100)={0x10}, 0xc, &(0x7f00000002c0)={&(0x7f00000001c0)=ANY=[@ANYBLOB='P\x00\x00\x00', @ANYBLOB="00000000000000000000110000002800030014000200697064647030000000000000000000000800040000000000080001000000000014000100080009000000000008005f50e2470000"], 0x2}, 0x1}, 0x0) r0 = socket$nl_generic(0x10, 0x3, 0x10) sendmsg$nl_generic(r0, &(0x7f00003cefe4)={&(0x7f0000000300)={0x10, 0x36200}, 0xc, &(0x7f0000007ff0)={&(0x7f0000000180)={0xffce, 0x2e, 0x6fd, 0x0, 0x0, {0x2004}, [@nested={0xc, 0x0, [@typed={0x62, 0x9, @ipv4}]}]}, 0xffce}, 0x1, 0x0, 0x10000000}, 0x0) [ 1464.897518] netlink: 104 bytes leftover after parsing attributes in process `syz-executor4'. [ 1464.911170] 9pnet: p9_errstr2errno: server reported unknown error  [ 1464.929716] BTRFS error (device loop2): unsupported checksum algorithm 3786 [ 1464.936934] BTRFS error (device loop2): superblock checksum mismatch 03:39:23 executing program 0: perf_event_open(&(0x7f0000000180)={0x2, 0x70, 0x3e5}, 0x0, 0x0, 0xffffffffffffffff, 0x0) r0 = socket$inet_udp(0x2, 0x2, 0x0) sendto$inet(r0, &(0x7f0000000000), 0x0, 0x400c000, &(0x7f000083b000)={0x2, 0x4e20}, 0x10) r1 = syz_open_procfs(0x0, &(0x7f0000000080)='net/udp\x00') sendfile(r0, r1, &(0x7f0000000000)=0x6c00, 0xff) 03:39:23 executing program 4: r0 = socket$nl_xfrm(0x10, 0x3, 0x6) sendmsg$nl_xfrm(r0, &(0x7f0000000400)={&(0x7f0000000040)={0x10}, 0xc, &(0x7f00000001c0)={&(0x7f0000000080)=@updpolicy={0xb8, 0x14, 0x407, 0x0, 0x0, {{@in=@loopback=0x7f000001, @in6=@ipv4={[0x0, 0x0, 0x0, 0x0, 0x0, 0x300000000000000], [0xff, 0xff], @dev={0xac, 0x14, 0x14}}, 0x0, 0x0, 0x0, 0x0, 0x2}}}, 0xb8}, 0x1}, 0x0) [ 1464.953136] BTRFS error (device loop2): open_ctree failed [ 1464.965507] 9pnet: p9_errstr2errno: server reported unknown error  [ 1464.973321] BTRFS error (device loop2): unsupported checksum algorithm 3786 [ 1464.980502] BTRFS error (device loop2): superblock checksum mismatch 03:39:23 executing program 6: perf_event_open(&(0x7f0000000180)={0x2, 0x70, 0x3e5}, 0x0, 0x0, 0xffffffffffffffff, 0x0) ioctl$KVM_CREATE_VM(0xffffffffffffffff, 0xae01, 0x0) pipe2$9p(&(0x7f0000000000)={0xffffffffffffffff, 0xffffffffffffffff}, 0x0) write$P9_RLERRORu(r1, &(0x7f0000000080)=ANY=[@ANYBLOB="1400000007ffff0700"], 0x9) mkdir(&(0x7f0000000440)='./file0\x00', 0x0) mount$9p_fd(0x0, &(0x7f00000005c0)='./file0\x00', &(0x7f0000000600)='9p\x00', 0x0, &(0x7f0000000640)={'trans=fd,', {'rfdno', 0x3d, r0}, 0x2c, {'wfdno', 0x3d, r1}, 0x2c, {[{@version_9p2000='version=9p2000', 0x2c}], 0x60000000}}) 03:39:23 executing program 7: sendmsg$IPVS_CMD_FLUSH(0xffffffffffffffff, &(0x7f0000000340)={&(0x7f0000000100)={0x10}, 0xc, &(0x7f00000002c0)={&(0x7f00000001c0)=ANY=[@ANYBLOB='P\x00\x00\x00', @ANYBLOB="00000000000000000000110000002800030014000200697064647030000000000000000000000800040000000000080001000000000014000100080009000000000008005f50e2470000"], 0x2}, 0x1}, 0x0) r0 = socket$nl_generic(0x10, 0x3, 0x10) sendmsg$nl_generic(r0, &(0x7f00003cefe4)={&(0x7f0000000300)={0x10, 0x36200}, 0xc, &(0x7f0000007ff0)={&(0x7f0000000180)={0xffce, 0x2e, 0x6fd, 0x0, 0x0, {0x2004}, [@nested={0xc, 0x0, [@typed={0x62, 0x9, @ipv4}]}]}, 0xffce}, 0x1, 0x0, 0x1000000}, 0x0) 03:39:23 executing program 2: r0 = socket$inet6(0xa, 0x1000000000002, 0x0) ioctl(r0, 0x8912, &(0x7f0000000280)="025cc83d6d345f8f762070") syz_mount_image$btrfs(&(0x7f0000000080)='btrfs\x00', &(0x7f0000000100)='./file0\x00', 0x0, 0x1, &(0x7f0000000200)=[{&(0x7f0000000500)="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", 0x116, 0x10000}], 0x0, &(0x7f0000000240)) [ 1465.007149] netlink: 104 bytes leftover after parsing attributes in process `syz-executor4'. 03:39:23 executing program 4: r0 = socket$nl_xfrm(0x10, 0x3, 0x6) sendmsg$nl_xfrm(r0, &(0x7f0000000400)={&(0x7f0000000040)={0x10}, 0xc, &(0x7f00000001c0)={&(0x7f0000000080)=@updpolicy={0xb8, 0x14, 0x407, 0x0, 0x0, {{@in=@loopback=0x7f000001, @in6=@ipv4={[0x0, 0x0, 0x0, 0x0, 0x0, 0x20000000], [0xff, 0xff], @dev={0xac, 0x14, 0x14}}, 0x0, 0x0, 0x0, 0x0, 0x2}}}, 0xb8}, 0x1}, 0x0) 03:39:23 executing program 0: perf_event_open(&(0x7f0000000180)={0x2, 0x70, 0x3e5}, 0x0, 0x0, 0xffffffffffffffff, 0x0) r0 = socket$inet_udp(0x2, 0x2, 0x0) sendto$inet(r0, &(0x7f0000000000), 0x0, 0x400c000, &(0x7f000083b000)={0x2, 0x4e20}, 0x10) r1 = syz_open_procfs(0x0, &(0x7f0000000080)='net/udp\x00') sendfile(r0, r1, &(0x7f0000000000)=0xe00000000000000, 0xff) [ 1465.048945] BTRFS error (device loop2): open_ctree failed [ 1465.056001] 9pnet: p9_errstr2errno: server reported unknown error  [ 1465.079408] BTRFS error (device loop1): superblock checksum mismatch [ 1465.086480] 9pnet: p9_errstr2errno: server reported unknown error  [ 1465.094035] netlink: 104 bytes leftover after parsing attributes in process `syz-executor4'. [ 1465.118591] BTRFS error (device loop1): open_ctree failed [ 1465.141881] BTRFS error (device loop2): unsupported checksum algorithm 3786 [ 1465.149077] BTRFS error (device loop2): superblock checksum mismatch [ 1465.166999] BTRFS error (device loop2): open_ctree failed 03:39:24 executing program 5: r0 = syz_open_dev$sndseq(&(0x7f0000dcc000)='/dev/snd/seq\x00', 0x0, 0x0) read(r0, &(0x7f0000000280)=""/28, 0x58) ioctl$SNDRV_SEQ_IOCTL_CREATE_PORT(r0, 0xc0a85320, &(0x7f0000418f50)={{0x80}, "0a4ceaa05d9a00000000000000039b3fd4cec307e8ef3d13eb790ec9c65abaf90d229db692542e5b78f8b29e0a27800f0000000000000009fb42f376589701a4", 0xa9824f69d1376637, 0x10800a}) ioctl$SNDRV_SEQ_IOCTL_SET_PORT_INFO(r0, 0x40a85323, &(0x7f0000000080)={{0x80}, 'port1\x00'}) ioctl$SNDRV_SEQ_IOCTL_SUBSCRIBE_PORT(r0, 0x40505330, &(0x7f0000000140)) openat$sequencer2(0xffffffffffffff9c, &(0x7f0000000040)='/dev/sequencer2\x00', 0x0, 0x0) 03:39:24 executing program 1: r0 = socket$inet6(0xa, 0x1000000000002, 0x0) ioctl(r0, 0x8912, &(0x7f0000000280)="025cc83d6d345f8f762070") syz_mount_image$btrfs(&(0x7f0000000080)='btrfs\x00', &(0x7f0000000100)='./file0\x00', 0x0, 0x1, &(0x7f0000000200)=[{&(0x7f0000000500)="8da4363a00000000000002740000004d01000000000000000000000000000000ecf6f2a2299748aeb81e1b00920efd9a000001000000000001000000000000005f42485266535f4dd2f873574f257e0a01e2a6a02f5e071383fa5a669a53f2fe9eb4eb7918628af41b", 0x69, 0x10000}], 0x0, &(0x7f0000000240)) 03:39:24 executing program 7: sendmsg$IPVS_CMD_FLUSH(0xffffffffffffffff, &(0x7f0000000340)={&(0x7f0000000100)={0x10}, 0xc, &(0x7f00000002c0)={&(0x7f00000001c0)=ANY=[@ANYBLOB='P\x00\x00\x00', @ANYBLOB="00000000000000000000110000002800030014000200697064647030000000000000000000000800040000000000080001000000000014000100080009000000000008005f50e2470000"], 0x2}, 0x1}, 0x0) r0 = socket$nl_generic(0x10, 0x3, 0x10) sendmsg$nl_generic(r0, &(0x7f00003cefe4)={&(0x7f0000000300)={0x10, 0x36200}, 0xc, &(0x7f0000007ff0)={&(0x7f0000000180)={0xffce, 0x2e, 0x6fd, 0x0, 0x0, {0x2004}, [@nested={0xc, 0x0, [@typed={0x62, 0x9, @ipv4}]}]}, 0xffce}, 0x1, 0x0, 0xf00}, 0x0) 03:39:24 executing program 6: perf_event_open(&(0x7f0000000180)={0x2, 0x70, 0x3e5}, 0x0, 0x0, 0xffffffffffffffff, 0x0) ioctl$KVM_CREATE_VM(0xffffffffffffffff, 0xae01, 0x0) pipe2$9p(&(0x7f0000000000)={0xffffffffffffffff, 0xffffffffffffffff}, 0x0) write$P9_RLERRORu(r1, &(0x7f0000000080)=ANY=[@ANYBLOB="1400000007ffff0700"], 0x9) mkdir(&(0x7f0000000440)='./file0\x00', 0x0) mount$9p_fd(0x0, &(0x7f00000005c0)='./file0\x00', &(0x7f0000000600)='9p\x00', 0x0, &(0x7f0000000640)={'trans=fd,', {'rfdno', 0x3d, r0}, 0x2c, {'wfdno', 0x3d, r1}, 0x2c, {[{@version_9p2000='version=9p2000', 0x2c}], 0x2}}) 03:39:24 executing program 4: r0 = socket$nl_xfrm(0x10, 0x3, 0x6) sendmsg$nl_xfrm(r0, &(0x7f0000000400)={&(0x7f0000000040)={0x10}, 0xc, &(0x7f00000001c0)={&(0x7f0000000080)=@updpolicy={0xb8, 0x14, 0x407, 0x0, 0x0, {{@in=@loopback=0x7f000001, @in6=@ipv4={[0x0, 0x0, 0x0, 0x0, 0x0, 0x300], [0xff, 0xff], @dev={0xac, 0x14, 0x14}}, 0x0, 0x0, 0x0, 0x0, 0x2}}}, 0xb8}, 0x1}, 0x0) 03:39:24 executing program 0: perf_event_open(&(0x7f0000000180)={0x2, 0x70, 0x3e5}, 0x0, 0x0, 0xffffffffffffffff, 0x0) r0 = socket$inet_udp(0x2, 0x2, 0x0) sendto$inet(r0, &(0x7f0000000000), 0x0, 0x400c000, &(0x7f000083b000)={0x2, 0x4e20}, 0x10) r1 = syz_open_procfs(0x0, &(0x7f0000000080)='net/udp\x00') sendfile(r0, r1, &(0x7f0000000000)=0x7a000000, 0xff) 03:39:24 executing program 2: r0 = socket$inet6(0xa, 0x1000000000002, 0x0) ioctl(r0, 0x8912, &(0x7f0000000280)="025cc83d6d345f8f762070") syz_mount_image$btrfs(&(0x7f0000000080)='btrfs\x00', &(0x7f0000000100)='./file0\x00', 0x0, 0x1, &(0x7f0000000200)=[{&(0x7f0000000500)="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", 0x116, 0x10000}], 0x0, &(0x7f0000000240)) 03:39:24 executing program 3: r0 = socket$inet(0x2, 0x4000000000000001, 0x0) setsockopt$inet_tcp_TCP_CONGESTION(r0, 0x6, 0xd, &(0x7f0000000140)='nv\x00', 0x3) sendto$inet(r0, &(0x7f0000a88f88), 0xfffffffffffffe6e, 0x20000000, &(0x7f0000e68000)={0x2, 0x0, @local={0xac, 0x14, 0x14, 0xaa}, [0x0, 0x500]}, 0x10) shutdown(r0, 0x0) [ 1465.910056] 9pnet: p9_errstr2errno: server reported unknown error  [ 1465.914012] netlink: 104 bytes leftover after parsing attributes in process `syz-executor4'. [ 1465.942084] BTRFS error (device loop1): superblock checksum mismatch 03:39:24 executing program 7: sendmsg$IPVS_CMD_FLUSH(0xffffffffffffffff, &(0x7f0000000340)={&(0x7f0000000100)={0x10}, 0xc, &(0x7f00000002c0)={&(0x7f00000001c0)=ANY=[@ANYBLOB='P\x00\x00\x00', @ANYBLOB="00000000000000000000110000002800030014000200697064647030000000000000000000000800040000000000080001000000000014000100080009000000000008005f50e2470000"], 0x2}, 0x1}, 0x0) r0 = socket$nl_generic(0x10, 0x3, 0x10) sendmsg$nl_generic(r0, &(0x7f00003cefe4)={&(0x7f0000000300)={0x10, 0x36200}, 0xc, &(0x7f0000007ff0)={&(0x7f0000000180)={0xffce, 0x2e, 0x6fd, 0x0, 0x0, {0x2004}, [@nested={0xc, 0x0, [@typed={0x62, 0x9, @ipv4}]}]}, 0xffce}, 0x1, 0x0, 0x600}, 0x0) 03:39:24 executing program 0: perf_event_open(&(0x7f0000000180)={0x2, 0x70, 0x3e5}, 0x0, 0x0, 0xffffffffffffffff, 0x0) r0 = socket$inet_udp(0x2, 0x2, 0x0) sendto$inet(r0, &(0x7f0000000000), 0x0, 0x400c000, &(0x7f000083b000)={0x2, 0x4e20}, 0x10) r1 = syz_open_procfs(0x0, &(0x7f0000000080)='net/udp\x00') sendfile(r0, r1, &(0x7f0000000000)=0xa1ffffff00000000, 0xff) 03:39:24 executing program 4: r0 = socket$nl_xfrm(0x10, 0x3, 0x6) sendmsg$nl_xfrm(r0, &(0x7f0000000400)={&(0x7f0000000040)={0x10}, 0xc, &(0x7f00000001c0)={&(0x7f0000000080)=@updpolicy={0xb8, 0x14, 0x407, 0x0, 0x0, {{@in=@loopback=0x7f000001, @in6=@ipv4={[0x0, 0x0, 0x0, 0x0, 0x0, 0x3723], [0xff, 0xff], @dev={0xac, 0x14, 0x14}}, 0x0, 0x0, 0x0, 0x0, 0x2}}}, 0xb8}, 0x1}, 0x0) [ 1465.955420] 9pnet: p9_errstr2errno: server reported unknown error  [ 1465.966415] BTRFS error (device loop1): open_ctree failed [ 1465.981871] BTRFS error (device loop1): superblock checksum mismatch 03:39:24 executing program 6: perf_event_open(&(0x7f0000000180)={0x2, 0x70, 0x3e5}, 0x0, 0x0, 0xffffffffffffffff, 0x0) ioctl$KVM_CREATE_VM(0xffffffffffffffff, 0xae01, 0x0) pipe2$9p(&(0x7f0000000000)={0xffffffffffffffff, 0xffffffffffffffff}, 0x0) write$P9_RLERRORu(r1, &(0x7f0000000080)=ANY=[@ANYBLOB="1400000007ffff0700"], 0x9) mkdir(&(0x7f0000000440)='./file0\x00', 0x0) mount$9p_fd(0x0, &(0x7f00000005c0)='./file0\x00', &(0x7f0000000600)='9p\x00', 0x0, &(0x7f0000000640)={'trans=fd,', {'rfdno', 0x3d, r0}, 0x2c, {'wfdno', 0x3d, r1}, 0x2c, {[{@version_9p2000='version=9p2000', 0x2c}], 0x3f00000000000000}}) 03:39:24 executing program 1: r0 = socket$inet6(0xa, 0x1000000000002, 0x0) ioctl(r0, 0x8912, &(0x7f0000000280)="025cc83d6d345f8f762070") syz_mount_image$btrfs(&(0x7f0000000080)='btrfs\x00', &(0x7f0000000100)='./file0\x00', 0x0, 0x1, &(0x7f0000000200)=[{&(0x7f0000000500)="8da4363a0000000003b200000000004d01000000000000000000000000000000ecf6f2a2299748aeb81e1b00920efd9a000001000000000001000000000000005f42485266535f4dd2f873574f257e0a01e2a6a02f5e071383fa5a669a53f2fe9eb4eb7918628af41b", 0x69, 0x10000}], 0x0, &(0x7f0000000240)) 03:39:24 executing program 4: r0 = socket$nl_xfrm(0x10, 0x3, 0x6) sendmsg$nl_xfrm(r0, &(0x7f0000000400)={&(0x7f0000000040)={0x10}, 0xc, &(0x7f00000001c0)={&(0x7f0000000080)=@updpolicy={0xb8, 0x14, 0x407, 0x0, 0x0, {{@in=@loopback=0x7f000001, @in6=@ipv4={[0x0, 0x0, 0x0, 0x0, 0x0, 0x2337], [0xff, 0xff], @dev={0xac, 0x14, 0x14}}, 0x0, 0x0, 0x0, 0x0, 0x2}}}, 0xb8}, 0x1}, 0x0) [ 1466.010726] netlink: 104 bytes leftover after parsing attributes in process `syz-executor4'. [ 1466.011311] BTRFS error (device loop1): open_ctree failed 03:39:24 executing program 7: sendmsg$IPVS_CMD_FLUSH(0xffffffffffffffff, &(0x7f0000000340)={&(0x7f0000000100)={0x10}, 0xc, &(0x7f00000002c0)={&(0x7f00000001c0)=ANY=[@ANYBLOB='P\x00\x00\x00', @ANYBLOB="00000000000000000000110000002800030014000200697064647030000000000000000000000800040000000000080001000000000014000100080009000000000008005f50e2470000"], 0x2}, 0x1}, 0x0) r0 = socket$nl_generic(0x10, 0x3, 0x10) sendmsg$nl_generic(r0, &(0x7f00003cefe4)={&(0x7f0000000300)={0x10, 0x36200}, 0xc, &(0x7f0000007ff0)={&(0x7f0000000180)={0xffce, 0x2e, 0x6fd, 0x0, 0x0, {0x2004}, [@nested={0xc, 0x0, [@typed={0x62, 0x9, @ipv4}]}]}, 0xffce}, 0x1, 0x0, 0x7}, 0x0) 03:39:24 executing program 0: perf_event_open(&(0x7f0000000180)={0x2, 0x70, 0x3e5}, 0x0, 0x0, 0xffffffffffffffff, 0x0) r0 = socket$inet_udp(0x2, 0x2, 0x0) sendto$inet(r0, &(0x7f0000000000), 0x0, 0x400c000, &(0x7f000083b000)={0x2, 0x4e20}, 0x10) r1 = syz_open_procfs(0x0, &(0x7f0000000080)='net/udp\x00') sendfile(r0, r1, &(0x7f0000000000)=0x500, 0xff) [ 1466.061919] BTRFS error (device loop1): superblock checksum mismatch [ 1466.073627] 9pnet: p9_errstr2errno: server reported unknown error  [ 1466.076973] BTRFS error (device loop1): open_ctree failed [ 1466.092541] BTRFS error (device loop1): superblock checksum mismatch [ 1466.099317] netlink: 104 bytes leftover after parsing attributes in process `syz-executor4'. [ 1466.130219] BTRFS error (device loop1): open_ctree failed 03:39:25 executing program 5: r0 = syz_open_dev$sndseq(&(0x7f0000dcc000)='/dev/snd/seq\x00', 0x0, 0x0) read(r0, &(0x7f0000000280)=""/28, 0x58) ioctl$SNDRV_SEQ_IOCTL_CREATE_PORT(r0, 0xc0a85320, &(0x7f0000418f50)={{0x80}, "0a4ceaa05d9a00000000000000039b3fd4cec307e8ef3d13eb790ec9c65abaf90d229db692542e5b78f8b29e0a27800f0000000000000009fb42f376589701a4", 0xa9824f69d1376637, 0x10800a}) ioctl$SNDRV_SEQ_IOCTL_SET_PORT_INFO(r0, 0x40a85323, &(0x7f0000000080)={{0x80}, 'port1\x00'}) ioctl$SNDRV_SEQ_IOCTL_SUBSCRIBE_PORT(r0, 0x40505330, &(0x7f0000000140)) openat$sequencer2(0xffffffffffffff9c, &(0x7f0000000040)='/dev/sequencer2\x00', 0x0, 0x0) 03:39:25 executing program 7: sendmsg$IPVS_CMD_FLUSH(0xffffffffffffffff, &(0x7f0000000340)={&(0x7f0000000100)={0x10}, 0xc, &(0x7f00000002c0)={&(0x7f00000001c0)=ANY=[@ANYBLOB='P\x00\x00\x00', @ANYBLOB="00000000000000000000110000002800030014000200697064647030000000000000000000000800040000000000080001000000000014000100080009000000000008005f50e2470000"], 0x2}, 0x1}, 0x0) r0 = socket$nl_generic(0x10, 0x3, 0x10) sendmsg$nl_generic(r0, &(0x7f00003cefe4)={&(0x7f0000000300)={0x10, 0x36200}, 0xc, &(0x7f0000007ff0)={&(0x7f0000000180)={0xffce, 0x2e, 0x6fd, 0x0, 0x0, {0x2004}, [@nested={0xc, 0x0, [@typed={0x62, 0x9, @ipv4}]}]}, 0xffce}, 0x1, 0x0, 0x40030000000000}, 0x0) 03:39:25 executing program 0: perf_event_open(&(0x7f0000000180)={0x2, 0x70, 0x3e5}, 0x0, 0x0, 0xffffffffffffffff, 0x0) r0 = socket$inet_udp(0x2, 0x2, 0x0) sendto$inet(r0, &(0x7f0000000000), 0x0, 0x400c000, &(0x7f000083b000)={0x2, 0x4e20}, 0x10) r1 = syz_open_procfs(0x0, &(0x7f0000000080)='net/udp\x00') sendfile(r0, r1, &(0x7f0000000000)=0x600, 0xff) 03:39:25 executing program 6: perf_event_open(&(0x7f0000000180)={0x2, 0x70, 0x3e5}, 0x0, 0x0, 0xffffffffffffffff, 0x0) ioctl$KVM_CREATE_VM(0xffffffffffffffff, 0xae01, 0x0) pipe2$9p(&(0x7f0000000000)={0xffffffffffffffff, 0xffffffffffffffff}, 0x0) write$P9_RLERRORu(r1, &(0x7f0000000080)=ANY=[@ANYBLOB="1400000007ffff0700"], 0x9) mkdir(&(0x7f0000000440)='./file0\x00', 0x0) mount$9p_fd(0x0, &(0x7f00000005c0)='./file0\x00', &(0x7f0000000600)='9p\x00', 0x0, &(0x7f0000000640)={'trans=fd,', {'rfdno', 0x3d, r0}, 0x2c, {'wfdno', 0x3d, r1}, 0x2c, {[{@version_9p2000='version=9p2000', 0x2c}], 0x2000000}}) 03:39:25 executing program 1: r0 = socket$inet6(0xa, 0x1000000000002, 0x0) ioctl(r0, 0x8912, &(0x7f0000000280)="025cc83d6d345f8f762070") syz_mount_image$btrfs(&(0x7f0000000080)='btrfs\x00', &(0x7f0000000100)='./file0\x00', 0x0, 0x1, &(0x7f0000000200)=[{&(0x7f0000000500)="8da4363a00000000006000000000004d01000000000000000000000000000000ecf6f2a2299748aeb81e1b00920efd9a000001000000000001000000000000005f42485266535f4dd2f873574f257e0a01e2a6a02f5e071383fa5a669a53f2fe9eb4eb7918628af41b", 0x69, 0x10000}], 0x0, &(0x7f0000000240)) 03:39:25 executing program 4: r0 = socket$nl_xfrm(0x10, 0x3, 0x6) sendmsg$nl_xfrm(r0, &(0x7f0000000400)={&(0x7f0000000040)={0x10}, 0xc, &(0x7f00000001c0)={&(0x7f0000000080)=@updpolicy={0xb8, 0x14, 0x407, 0x0, 0x0, {{@in=@loopback=0x7f000001, @in6=@ipv4={[0x0, 0x0, 0x0, 0x0, 0x0, 0x1000000], [0xff, 0xff], @dev={0xac, 0x14, 0x14}}, 0x0, 0x0, 0x0, 0x0, 0x2}}}, 0xb8}, 0x1}, 0x0) 03:39:25 executing program 2: r0 = socket$inet6(0xa, 0x1000000000002, 0x0) ioctl(r0, 0x8912, &(0x7f0000000280)="025cc83d6d345f8f762070") syz_mount_image$btrfs(&(0x7f0000000080)='btrfs\x00', &(0x7f0000000100)='./file0\x00', 0x0, 0x1, &(0x7f0000000200)=[{&(0x7f0000000500)="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", 0x116, 0x10000}], 0x0, &(0x7f0000000240)) 03:39:25 executing program 3: r0 = socket$inet(0x2, 0x4000000000000001, 0x0) setsockopt$inet_tcp_TCP_CONGESTION(r0, 0x6, 0xd, &(0x7f0000000140)='nv\x00', 0x3) sendto$inet(r0, &(0x7f0000a88f88), 0xfffffffffffffe6e, 0x20000000, &(0x7f0000e68000)={0x2, 0x0, @local={0xac, 0x14, 0x14, 0xaa}, [0x0, 0x400000000000000]}, 0x10) shutdown(r0, 0x0) [ 1466.893390] netlink: 104 bytes leftover after parsing attributes in process `syz-executor4'. [ 1466.910651] 9pnet: p9_errstr2errno: server reported unknown error  [ 1466.927892] BTRFS error (device loop2): unsupported checksum algorithm 3786 [ 1466.935100] BTRFS error (device loop2): superblock checksum mismatch 03:39:25 executing program 7: sendmsg$IPVS_CMD_FLUSH(0xffffffffffffffff, &(0x7f0000000340)={&(0x7f0000000100)={0x10}, 0xc, &(0x7f00000002c0)={&(0x7f00000001c0)=ANY=[@ANYBLOB='P\x00\x00\x00', @ANYBLOB="00000000000000000000110000002800030014000200697064647030000000000000000000000800040000000000080001000000000014000100080009000000000008005f50e2470000"], 0x2}, 0x1}, 0x0) r0 = socket$nl_generic(0x10, 0x3, 0x10) sendmsg$nl_generic(r0, &(0x7f00003cefe4)={&(0x7f0000000300)={0x10, 0x36200}, 0xc, &(0x7f0000007ff0)={&(0x7f0000000180)={0xffce, 0x2e, 0x6fd, 0x0, 0x0, {0x2004}, [@nested={0xc, 0x0, [@typed={0x62, 0x9, @ipv4}]}]}, 0xffce}, 0x1, 0x0, 0x2000000}, 0x0) 03:39:25 executing program 0: perf_event_open(&(0x7f0000000180)={0x2, 0x70, 0x3e5}, 0x0, 0x0, 0xffffffffffffffff, 0x0) r0 = socket$inet_udp(0x2, 0x2, 0x0) sendto$inet(r0, &(0x7f0000000000), 0x0, 0x400c000, &(0x7f000083b000)={0x2, 0x4e20}, 0x10) r1 = syz_open_procfs(0x0, &(0x7f0000000080)='net/udp\x00') sendfile(r0, r1, &(0x7f0000000000)=0x6, 0xff) 03:39:25 executing program 4: r0 = socket$nl_xfrm(0x10, 0x3, 0x6) sendmsg$nl_xfrm(r0, &(0x7f0000000400)={&(0x7f0000000040)={0x10}, 0xc, &(0x7f00000001c0)={&(0x7f0000000080)=@updpolicy={0xb8, 0x14, 0x407, 0x0, 0x0, {{@in=@loopback=0x7f000001, @in6=@ipv4={[0x0, 0x0, 0x0, 0x0, 0x0, 0x2000000], [0xff, 0xff], @dev={0xac, 0x14, 0x14}}, 0x0, 0x0, 0x0, 0x0, 0x2}}}, 0xb8}, 0x1}, 0x0) [ 1466.948658] 9pnet: p9_errstr2errno: server reported unknown error  [ 1466.961934] BTRFS error (device loop2): open_ctree failed [ 1466.987858] BTRFS error (device loop2): unsupported checksum algorithm 3786 03:39:25 executing program 6: perf_event_open(&(0x7f0000000180)={0x2, 0x70, 0x3e5}, 0x0, 0x0, 0xffffffffffffffff, 0x0) ioctl$KVM_CREATE_VM(0xffffffffffffffff, 0xae01, 0x0) pipe2$9p(&(0x7f0000000000)={0xffffffffffffffff, 0xffffffffffffffff}, 0x0) write$P9_RLERRORu(r1, &(0x7f0000000080)=ANY=[@ANYBLOB="1400000007ffff0700"], 0x9) mkdir(&(0x7f0000000440)='./file0\x00', 0x0) mount$9p_fd(0x0, &(0x7f00000005c0)='./file0\x00', &(0x7f0000000600)='9p\x00', 0x0, &(0x7f0000000640)={'trans=fd,', {'rfdno', 0x3d, r0}, 0x2c, {'wfdno', 0x3d, r1}, 0x2c, {[{@version_9p2000='version=9p2000', 0x2c}], 0x8cffffff}}) 03:39:25 executing program 4: r0 = socket$nl_xfrm(0x10, 0x3, 0x6) sendmsg$nl_xfrm(r0, &(0x7f0000000400)={&(0x7f0000000040)={0x10}, 0xc, &(0x7f00000001c0)={&(0x7f0000000080)=@updpolicy={0xb8, 0x14, 0x407, 0x0, 0x0, {{@in=@loopback=0x7f000001, @in6=@ipv4={[0x0, 0x0, 0x0, 0x0, 0x0, 0x400300], [0xff, 0xff], @dev={0xac, 0x14, 0x14}}, 0x0, 0x0, 0x0, 0x0, 0x2}}}, 0xb8}, 0x1}, 0x0) [ 1466.995051] BTRFS error (device loop2): superblock checksum mismatch 03:39:25 executing program 2: r0 = socket$inet6(0xa, 0x1000000000002, 0x0) ioctl(r0, 0x8912, &(0x7f0000000280)="025cc83d6d345f8f762070") syz_mount_image$btrfs(&(0x7f0000000080)='btrfs\x00', &(0x7f0000000100)='./file0\x00', 0x0, 0x1, &(0x7f0000000200)=[{&(0x7f0000000500)="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", 0x116, 0x10000}], 0x0, &(0x7f0000000240)) 03:39:25 executing program 7: sendmsg$IPVS_CMD_FLUSH(0xffffffffffffffff, &(0x7f0000000340)={&(0x7f0000000100)={0x10}, 0xc, &(0x7f00000002c0)={&(0x7f00000001c0)=ANY=[@ANYBLOB='P\x00\x00\x00', @ANYBLOB="00000000000000000000110000002800030014000200697064647030000000000000000000000800040000000000080001000000000014000100080009000000000008005f50e2470000"], 0x2}, 0x1}, 0x0) r0 = socket$nl_generic(0x10, 0x3, 0x10) sendmsg$nl_generic(r0, &(0x7f00003cefe4)={&(0x7f0000000300)={0x10, 0x36200}, 0xc, &(0x7f0000007ff0)={&(0x7f0000000180)={0xffce, 0x2e, 0x6fd, 0x0, 0x0, {0x2004}, [@nested={0xc, 0x0, [@typed={0x62, 0x9, @ipv4}]}]}, 0xffce}, 0x1, 0x0, 0x6c000000}, 0x0) 03:39:25 executing program 0: perf_event_open(&(0x7f0000000180)={0x2, 0x70, 0x3e5}, 0x0, 0x0, 0xffffffffffffffff, 0x0) r0 = socket$inet_udp(0x2, 0x2, 0x0) sendto$inet(r0, &(0x7f0000000000), 0x0, 0x400c000, &(0x7f000083b000)={0x2, 0x4e20}, 0x10) r1 = syz_open_procfs(0x0, &(0x7f0000000080)='net/udp\x00') sendfile(r0, r1, &(0x7f0000000000)=0x6c, 0xff) [ 1467.032293] BTRFS error (device loop2): open_ctree failed [ 1467.046040] 9pnet: p9_errstr2errno: server reported unknown error  [ 1467.087655] 9pnet: p9_errstr2errno: server reported unknown error  [ 1467.099132] print_req_error: I/O error, dev loop1, sector 128 [ 1467.107922] BTRFS error (device loop2): unsupported checksum algorithm 3786 [ 1467.115107] BTRFS error (device loop2): superblock checksum mismatch [ 1467.127491] BTRFS error (device loop2): open_ctree failed [ 1467.159453] BTRFS error (device loop2): unsupported checksum algorithm 3786 [ 1467.166631] BTRFS error (device loop2): superblock checksum mismatch [ 1467.173494] BTRFS error (device loop2): open_ctree failed 03:39:26 executing program 5: r0 = syz_open_dev$sndseq(&(0x7f0000dcc000)='/dev/snd/seq\x00', 0x0, 0x0) read(r0, &(0x7f0000000280)=""/28, 0x58) ioctl$SNDRV_SEQ_IOCTL_REMOVE_EVENTS(r0, 0x4040534e, &(0x7f000019ffe9)={0xc1}) ioctl$SNDRV_SEQ_IOCTL_SET_PORT_INFO(r0, 0x40a85323, &(0x7f0000000080)={{0x80}, 'port1\x00'}) ioctl$SNDRV_SEQ_IOCTL_SUBSCRIBE_PORT(r0, 0x40505330, &(0x7f0000000140)) openat$sequencer2(0xffffffffffffff9c, &(0x7f0000000040)='/dev/sequencer2\x00', 0x0, 0x0) 03:39:26 executing program 1: r0 = socket$inet6(0xa, 0x1000000000002, 0x0) ioctl(r0, 0x8912, &(0x7f0000000280)="025cc83d6d345f8f762070") syz_mount_image$btrfs(&(0x7f0000000080)='btrfs\x00', &(0x7f0000000100)='./file0\x00', 0x0, 0x1, &(0x7f0000000200)=[{&(0x7f0000000500)="8da4363a00000000080000000000004d01000000000000000000000000000000ecf6f2a2299748aeb81e1b00920efd9a000001000000000001000000000000005f42485266535f4dd2f873574f257e0a01e2a6a02f5e071383fa5a669a53f2fe9eb4eb7918628af41b", 0x69, 0x10000}], 0x0, &(0x7f0000000240)) 03:39:26 executing program 4: r0 = socket$nl_xfrm(0x10, 0x3, 0x6) sendmsg$nl_xfrm(r0, &(0x7f0000000400)={&(0x7f0000000040)={0x10}, 0xc, &(0x7f00000001c0)={&(0x7f0000000080)=@updpolicy={0xb8, 0x14, 0x407, 0x0, 0x0, {{@in=@loopback=0x7f000001, @in6=@ipv4={[0x0, 0x0, 0x0, 0x0, 0x0, 0xf000], [0xff, 0xff], @dev={0xac, 0x14, 0x14}}, 0x0, 0x0, 0x0, 0x0, 0x2}}}, 0xb8}, 0x1}, 0x0) 03:39:26 executing program 7: sendmsg$IPVS_CMD_FLUSH(0xffffffffffffffff, &(0x7f0000000340)={&(0x7f0000000100)={0x10}, 0xc, &(0x7f00000002c0)={&(0x7f00000001c0)=ANY=[@ANYBLOB='P\x00\x00\x00', @ANYBLOB="00000000000000000000110000002800030014000200697064647030000000000000000000000800040000000000080001000000000014000100080009000000000008005f50e2470000"], 0x2}, 0x1}, 0x0) r0 = socket$nl_generic(0x10, 0x3, 0x10) sendmsg$nl_generic(r0, &(0x7f00003cefe4)={&(0x7f0000000300)={0x10, 0x36200}, 0xc, &(0x7f0000007ff0)={&(0x7f0000000180)={0xffce, 0x2e, 0x6fd, 0x0, 0x0, {0x2004}, [@nested={0xc, 0x0, [@typed={0x62, 0x9, @ipv4}]}]}, 0xffce}, 0x1, 0x0, 0x6c00}, 0x0) 03:39:26 executing program 6: perf_event_open(&(0x7f0000000180)={0x2, 0x70, 0x3e5}, 0x0, 0x0, 0xffffffffffffffff, 0x0) ioctl$KVM_CREATE_VM(0xffffffffffffffff, 0xae01, 0x0) pipe2$9p(&(0x7f0000000000)={0xffffffffffffffff, 0xffffffffffffffff}, 0x0) write$P9_RLERRORu(r1, &(0x7f0000000080)=ANY=[@ANYBLOB="1400000007ffff0700"], 0x9) mkdir(&(0x7f0000000440)='./file0\x00', 0x0) mount$9p_fd(0x0, &(0x7f00000005c0)='./file0\x00', &(0x7f0000000600)='9p\x00', 0x0, &(0x7f0000000640)={'trans=fd,', {'rfdno', 0x3d, r0}, 0x2c, {'wfdno', 0x3d, r1}, 0x2c, {[{@version_9p2000='version=9p2000', 0x2c}], 0x600}}) 03:39:26 executing program 0: perf_event_open(&(0x7f0000000180)={0x2, 0x70, 0x3e5}, 0x0, 0x0, 0xffffffffffffffff, 0x0) r0 = socket$inet_udp(0x2, 0x2, 0x0) sendto$inet(r0, &(0x7f0000000000), 0x0, 0x400c000, &(0x7f000083b000)={0x2, 0x4e20}, 0x10) r1 = syz_open_procfs(0x0, &(0x7f0000000080)='net/udp\x00') sendfile(r0, r1, &(0x7f0000000000)=0x9000000, 0xff) 03:39:26 executing program 2: r0 = socket$inet6(0xa, 0x1000000000002, 0x0) ioctl(r0, 0x8912, &(0x7f0000000280)="025cc83d6d345f8f762070") syz_mount_image$btrfs(&(0x7f0000000080)='btrfs\x00', &(0x7f0000000100)='./file0\x00', 0x0, 0x1, &(0x7f0000000200)=[{&(0x7f0000000500)="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", 0x116, 0x10000}], 0x0, &(0x7f0000000240)) 03:39:26 executing program 3: r0 = socket$inet(0x2, 0x4000000000000001, 0x0) setsockopt$inet_tcp_TCP_CONGESTION(r0, 0x6, 0xd, &(0x7f0000000140)='nv\x00', 0x3) sendto$inet(r0, &(0x7f0000a88f88), 0xfffffffffffffe6e, 0x20000000, &(0x7f0000e68000)={0x2, 0x0, @local={0xac, 0x14, 0x14, 0xaa}, [0x0, 0x9000000]}, 0x10) shutdown(r0, 0x0) 03:39:26 executing program 7: sendmsg$IPVS_CMD_FLUSH(0xffffffffffffffff, &(0x7f0000000340)={&(0x7f0000000100)={0x10}, 0xc, &(0x7f00000002c0)={&(0x7f00000001c0)=ANY=[@ANYBLOB='P\x00\x00\x00', @ANYBLOB="00000000000000000000110000002800030014000200697064647030000000000000000000000800040000000000080001000000000014000100080009000000000008005f50e2470000"], 0x2}, 0x1}, 0x0) r0 = socket$nl_generic(0x10, 0x3, 0x10) sendmsg$nl_generic(r0, &(0x7f00003cefe4)={&(0x7f0000000300)={0x10, 0x36200}, 0xc, &(0x7f0000007ff0)={&(0x7f0000000180)={0xffce, 0x2e, 0x6fd, 0x0, 0x0, {0x2004}, [@nested={0xc, 0x0, [@typed={0x62, 0x9, @ipv4}]}]}, 0xffce}, 0x1, 0x0, 0x900}, 0x0) [ 1467.915595] 9pnet: p9_errstr2errno: server reported unknown error  [ 1467.926002] BTRFS error (device loop2): unsupported checksum algorithm 3786 [ 1467.933208] BTRFS error (device loop2): superblock checksum mismatch 03:39:26 executing program 4: r0 = socket$nl_xfrm(0x10, 0x3, 0x6) sendmsg$nl_xfrm(r0, &(0x7f0000000400)={&(0x7f0000000040)={0x10}, 0xc, &(0x7f00000001c0)={&(0x7f0000000080)=@updpolicy={0xb8, 0x14, 0x407, 0x0, 0x0, {{@in=@loopback=0x7f000001, @in6=@ipv4={[0x0, 0x0, 0x0, 0x0, 0x0, 0xf], [0xff, 0xff], @dev={0xac, 0x14, 0x14}}, 0x0, 0x0, 0x0, 0x0, 0x2}}}, 0xb8}, 0x1}, 0x0) 03:39:26 executing program 0: perf_event_open(&(0x7f0000000180)={0x2, 0x70, 0x3e5}, 0x0, 0x0, 0xffffffffffffffff, 0x0) r0 = socket$inet_udp(0x2, 0x2, 0x0) sendto$inet(r0, &(0x7f0000000000), 0x0, 0x400c000, &(0x7f000083b000)={0x2, 0x4e20}, 0x10) r1 = syz_open_procfs(0x0, &(0x7f0000000080)='net/udp\x00') sendfile(r0, r1, &(0x7f0000000000)=0xfffffffe, 0xff) 03:39:26 executing program 7: sendmsg$IPVS_CMD_FLUSH(0xffffffffffffffff, &(0x7f0000000340)={&(0x7f0000000100)={0x10}, 0xc, &(0x7f00000002c0)={&(0x7f00000001c0)=ANY=[@ANYBLOB='P\x00\x00\x00', @ANYBLOB="00000000000000000000110000002800030014000200697064647030000000000000000000000800040000000000080001000000000014000100080009000000000008005f50e2470000"], 0x2}, 0x1}, 0x0) r0 = socket$nl_generic(0x10, 0x3, 0x10) sendmsg$nl_generic(r0, &(0x7f00003cefe4)={&(0x7f0000000300)={0x10, 0x36200}, 0xc, &(0x7f0000007ff0)={&(0x7f0000000180)={0xffce, 0x2e, 0x6fd, 0x0, 0x0, {0x2004}, [@nested={0xc, 0x0, [@typed={0x62, 0x9, @ipv4}]}]}, 0xffce}, 0x1, 0x0, 0x6c}, 0x0) 03:39:26 executing program 6: perf_event_open(&(0x7f0000000180)={0x2, 0x70, 0x3e5}, 0x0, 0x0, 0xffffffffffffffff, 0x0) ioctl$KVM_CREATE_VM(0xffffffffffffffff, 0xae01, 0x0) pipe2$9p(&(0x7f0000000000)={0xffffffffffffffff, 0xffffffffffffffff}, 0x0) write$P9_RLERRORu(r1, &(0x7f0000000080)=ANY=[@ANYBLOB="1400000007ffff0700"], 0x9) mkdir(&(0x7f0000000440)='./file0\x00', 0x0) mount$9p_fd(0x0, &(0x7f00000005c0)='./file0\x00', &(0x7f0000000600)='9p\x00', 0x0, &(0x7f0000000640)={'trans=fd,', {'rfdno', 0x3d, r0}, 0x2c, {'wfdno', 0x3d, r1}, 0x2c, {[{@version_9p2000='version=9p2000', 0x2c}], 0xffffff7f00000000}}) [ 1467.961097] 9pnet: p9_errstr2errno: server reported unknown error  [ 1467.976338] BTRFS error (device loop2): open_ctree failed [ 1467.987049] BTRFS error (device loop2): unsupported checksum algorithm 3786 [ 1467.994273] BTRFS error (device loop2): superblock checksum mismatch 03:39:26 executing program 4: r0 = socket$nl_xfrm(0x10, 0x3, 0x6) sendmsg$nl_xfrm(r0, &(0x7f0000000400)={&(0x7f0000000040)={0x10}, 0xc, &(0x7f00000001c0)={&(0x7f0000000080)=@updpolicy={0xb8, 0x14, 0x407, 0x0, 0x0, {{@in=@loopback=0x7f000001, @in6=@ipv4={[0x0, 0x0, 0x0, 0x0, 0x0, 0xffffff9e], [0xff, 0xff], @dev={0xac, 0x14, 0x14}}, 0x0, 0x0, 0x0, 0x0, 0x2}}}, 0xb8}, 0x1}, 0x0) 03:39:26 executing program 2: r0 = socket$inet6(0xa, 0x1000000000002, 0x0) ioctl(r0, 0x8912, &(0x7f0000000280)="025cc83d6d345f8f762070") syz_mount_image$btrfs(&(0x7f0000000080)='btrfs\x00', &(0x7f0000000100)='./file0\x00', 0x0, 0x1, &(0x7f0000000200)=[{&(0x7f0000000500)="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", 0x116, 0x10000}], 0x0, &(0x7f0000000240)) 03:39:26 executing program 0: perf_event_open(&(0x7f0000000180)={0x2, 0x70, 0x3e5}, 0x0, 0x0, 0xffffffffffffffff, 0x0) r0 = socket$inet_udp(0x2, 0x2, 0x0) sendto$inet(r0, &(0x7f0000000000), 0x0, 0x400c000, &(0x7f000083b000)={0x2, 0x4e20}, 0x10) r1 = syz_open_procfs(0x0, &(0x7f0000000080)='net/udp\x00') sendfile(r0, r1, &(0x7f0000000000)=0x74, 0xff) [ 1468.027316] BTRFS error (device loop2): open_ctree failed [ 1468.047945] 9pnet: p9_errstr2errno: server reported unknown error  [ 1468.087660] 9pnet: p9_errstr2errno: server reported unknown error  [ 1468.094234] BTRFS error (device loop1): superblock checksum mismatch [ 1468.112485] BTRFS error (device loop1): open_ctree failed [ 1468.136312] BTRFS error (device loop2): unsupported checksum algorithm 3786 [ 1468.143517] BTRFS error (device loop2): superblock checksum mismatch [ 1468.154671] BTRFS error (device loop2): open_ctree failed 03:39:27 executing program 5: r0 = syz_open_dev$sndseq(&(0x7f0000dcc000)='/dev/snd/seq\x00', 0x0, 0x0) read(r0, &(0x7f0000000280)=""/28, 0x58) ioctl$SNDRV_SEQ_IOCTL_REMOVE_EVENTS(r0, 0x4040534e, &(0x7f000019ffe9)={0xc1}) ioctl$SNDRV_SEQ_IOCTL_SET_PORT_INFO(r0, 0x40a85323, &(0x7f0000000080)={{0x80}, 'port1\x00'}) ioctl$SNDRV_SEQ_IOCTL_SUBSCRIBE_PORT(r0, 0x40505330, &(0x7f0000000140)) openat$sequencer2(0xffffffffffffff9c, &(0x7f0000000040)='/dev/sequencer2\x00', 0x0, 0x0) 03:39:27 executing program 7: sendmsg$IPVS_CMD_FLUSH(0xffffffffffffffff, &(0x7f0000000340)={&(0x7f0000000100)={0x10}, 0xc, &(0x7f00000002c0)={&(0x7f00000001c0)=ANY=[@ANYBLOB='P\x00\x00\x00', @ANYBLOB="00000000000000000000110000002800030014000200697064647030000000000000000000000800040000000000080001000000000014000100080009000000000008005f50e2470000"], 0x2}, 0x1}, 0x0) r0 = socket$nl_generic(0x10, 0x3, 0x10) sendmsg$nl_generic(r0, &(0x7f00003cefe4)={&(0x7f0000000300)={0x10, 0x36200}, 0xc, &(0x7f0000007ff0)={&(0x7f0000000180)={0xffce, 0x2e, 0x6fd, 0x0, 0x0, {0x2004}, [@nested={0xc, 0x0, [@typed={0x62, 0x9, @ipv4}]}]}, 0xffce}, 0x1, 0x0, 0x6000000000000000}, 0x0) 03:39:27 executing program 1: r0 = socket$inet6(0xa, 0x1000000000002, 0x0) ioctl(r0, 0x8912, &(0x7f0000000280)="025cc83d6d345f8f762070") syz_mount_image$btrfs(&(0x7f0000000080)='btrfs\x00', &(0x7f0000000100)='./file0\x00', 0x0, 0x1, &(0x7f0000000200)=[{&(0x7f0000000500)="8da4363a00000000000000600000004d01000000000000000000000000000000ecf6f2a2299748aeb81e1b00920efd9a000001000000000001000000000000005f42485266535f4dd2f873574f257e0a01e2a6a02f5e071383fa5a669a53f2fe9eb4eb7918628af41b", 0x69, 0x10000}], 0x0, &(0x7f0000000240)) 03:39:27 executing program 4: r0 = socket$nl_xfrm(0x10, 0x3, 0x6) sendmsg$nl_xfrm(r0, &(0x7f0000000400)={&(0x7f0000000040)={0x10}, 0xc, &(0x7f00000001c0)={&(0x7f0000000080)=@updpolicy={0xb8, 0x14, 0x407, 0x0, 0x0, {{@in=@loopback=0x7f000001, @in6=@ipv4={[0x0, 0x0, 0x0, 0x0, 0x0, 0xf0ffffff00000000], [0xff, 0xff], @dev={0xac, 0x14, 0x14}}, 0x0, 0x0, 0x0, 0x0, 0x2}}}, 0xb8}, 0x1}, 0x0) 03:39:27 executing program 6: perf_event_open(&(0x7f0000000180)={0x2, 0x70, 0x3e5}, 0x0, 0x0, 0xffffffffffffffff, 0x0) ioctl$KVM_CREATE_VM(0xffffffffffffffff, 0xae01, 0x0) pipe2$9p(&(0x7f0000000000)={0xffffffffffffffff, 0xffffffffffffffff}, 0x0) write$P9_RLERRORu(r1, &(0x7f0000000080)=ANY=[@ANYBLOB="1400000007ffff0700"], 0x9) mkdir(&(0x7f0000000440)='./file0\x00', 0x0) mount$9p_fd(0x0, &(0x7f00000005c0)='./file0\x00', &(0x7f0000000600)='9p\x00', 0x0, &(0x7f0000000640)={'trans=fd,', {'rfdno', 0x3d, r0}, 0x2c, {'wfdno', 0x3d, r1}, 0x2c, {[{@version_9p2000='version=9p2000', 0x2c}], 0xf6ffffff}}) 03:39:27 executing program 0: perf_event_open(&(0x7f0000000180)={0x2, 0x70, 0x3e5}, 0x0, 0x0, 0xffffffffffffffff, 0x0) r0 = socket$inet_udp(0x2, 0x2, 0x0) sendto$inet(r0, &(0x7f0000000000), 0x0, 0x400c000, &(0x7f000083b000)={0x2, 0x4e20}, 0x10) r1 = syz_open_procfs(0x0, &(0x7f0000000080)='net/udp\x00') sendfile(r0, r1, &(0x7f0000000000)=0xff0f000000000000, 0xff) 03:39:27 executing program 2: r0 = socket$inet6(0xa, 0x1000000000002, 0x0) ioctl(r0, 0x8912, &(0x7f0000000280)="025cc83d6d345f8f762070") syz_mount_image$btrfs(&(0x7f0000000080)='btrfs\x00', &(0x7f0000000100)='./file0\x00', 0x0, 0x1, &(0x7f0000000200)=[{&(0x7f0000000500)="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", 0x116, 0x10000}], 0x0, &(0x7f0000000240)) 03:39:27 executing program 3: r0 = socket$inet(0x2, 0x4000000000000001, 0x0) setsockopt$inet_tcp_TCP_CONGESTION(r0, 0x6, 0xd, &(0x7f0000000140)='nv\x00', 0x3) sendto$inet(r0, &(0x7f0000a88f88), 0xfffffffffffffe6e, 0x20000000, &(0x7f0000e68000)={0x2, 0x0, @local={0xac, 0x14, 0x14, 0xaa}, [0x0, 0xff0f0000]}, 0x10) shutdown(r0, 0x0) 03:39:27 executing program 4: r0 = socket$nl_xfrm(0x10, 0x3, 0x6) sendmsg$nl_xfrm(r0, &(0x7f0000000400)={&(0x7f0000000040)={0x10}, 0xc, &(0x7f00000001c0)={&(0x7f0000000080)=@updpolicy={0xb8, 0x14, 0x407, 0x0, 0x0, {{@in=@loopback=0x7f000001, @in6=@ipv4={[0x0, 0x0, 0x0, 0x0, 0x0, 0xf000000], [0xff, 0xff], @dev={0xac, 0x14, 0x14}}, 0x0, 0x0, 0x0, 0x0, 0x2}}}, 0xb8}, 0x1}, 0x0) 03:39:27 executing program 7: sendmsg$IPVS_CMD_FLUSH(0xffffffffffffffff, &(0x7f0000000340)={&(0x7f0000000100)={0x10}, 0xc, &(0x7f00000002c0)={&(0x7f00000001c0)=ANY=[@ANYBLOB='P\x00\x00\x00', @ANYBLOB="00000000000000000000110000002800030014000200697064647030000000000000000000000800040000000000080001000000000014000100080009000000000008005f50e2470000"], 0x2}, 0x1}, 0x0) r0 = socket$nl_generic(0x10, 0x3, 0x10) sendmsg$nl_generic(r0, &(0x7f00003cefe4)={&(0x7f0000000300)={0x10, 0x36200}, 0xc, &(0x7f0000007ff0)={&(0x7f0000000180)={0xffce, 0x2e, 0x6fd, 0x0, 0x0, {0x2004}, [@nested={0xc, 0x0, [@typed={0x62, 0x9, @ipv4}]}]}, 0xffce}, 0x1, 0x0, 0x900000000000000}, 0x0) [ 1468.965253] 9pnet: p9_errstr2errno: server reported unknown error  [ 1468.974530] BTRFS error (device loop1): superblock checksum mismatch [ 1468.997196] BTRFS error (device loop1): open_ctree failed 03:39:27 executing program 0: perf_event_open(&(0x7f0000000180)={0x2, 0x70, 0x3e5}, 0x0, 0x0, 0xffffffffffffffff, 0x0) r0 = socket$inet_udp(0x2, 0x2, 0x0) sendto$inet(r0, &(0x7f0000000000), 0x0, 0x400c000, &(0x7f000083b000)={0x2, 0x4e20}, 0x10) r1 = syz_open_procfs(0x0, &(0x7f0000000080)='net/udp\x00') sendfile(r0, r1, &(0x7f0000000000)=0x4c000000, 0xff) 03:39:27 executing program 4: r0 = socket$nl_xfrm(0x10, 0x3, 0x6) sendmsg$nl_xfrm(r0, &(0x7f0000000400)={&(0x7f0000000040)={0x10}, 0xc, &(0x7f00000001c0)={&(0x7f0000000080)=@updpolicy={0xb8, 0x14, 0x407, 0x0, 0x0, {{@in=@loopback=0x7f000001, @in6=@ipv4={[0x0, 0x0, 0x0, 0x0, 0x0, 0xf00], [0xff, 0xff], @dev={0xac, 0x14, 0x14}}, 0x0, 0x0, 0x0, 0x0, 0x2}}}, 0xb8}, 0x1}, 0x0) 03:39:27 executing program 7: sendmsg$IPVS_CMD_FLUSH(0xffffffffffffffff, &(0x7f0000000340)={&(0x7f0000000100)={0x10}, 0xc, &(0x7f00000002c0)={&(0x7f00000001c0)=ANY=[@ANYBLOB='P\x00\x00\x00', @ANYBLOB="00000000000000000000110000002800030014000200697064647030000000000000000000000800040000000000080001000000000014000100080009000000000008005f50e2470000"], 0x2}, 0x1}, 0x0) r0 = socket$nl_generic(0x10, 0x3, 0x10) sendmsg$nl_generic(r0, &(0x7f00003cefe4)={&(0x7f0000000300)={0x10, 0x36200}, 0xc, &(0x7f0000007ff0)={&(0x7f0000000180)={0xffce, 0x2e, 0x6fd, 0x0, 0x0, {0x2004}, [@nested={0xc, 0x0, [@typed={0x62, 0x9, @ipv4}]}]}, 0xffce}, 0x1, 0x0, 0xf0ffff}, 0x0) [ 1469.009699] BTRFS error (device loop1): superblock checksum mismatch [ 1469.019788] 9pnet: p9_errstr2errno: server reported unknown error  [ 1469.034809] BTRFS error (device loop1): open_ctree failed 03:39:27 executing program 2: r0 = socket$inet6(0xa, 0x1000000000002, 0x0) ioctl(r0, 0x8912, &(0x7f0000000280)="025cc83d6d345f8f762070") syz_mount_image$btrfs(&(0x7f0000000080)='btrfs\x00', &(0x7f0000000100)='./file0\x00', 0x0, 0x1, &(0x7f0000000200)=[{&(0x7f0000000500)="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", 0x116, 0x10000}], 0x0, &(0x7f0000000240)) 03:39:27 executing program 6: perf_event_open(&(0x7f0000000180)={0x2, 0x70, 0x3e5}, 0x0, 0x0, 0xffffffffffffffff, 0x0) ioctl$KVM_CREATE_VM(0xffffffffffffffff, 0xae01, 0x0) pipe2$9p(&(0x7f0000000000)={0xffffffffffffffff, 0xffffffffffffffff}, 0x0) write$P9_RLERRORu(r1, &(0x7f0000000080)=ANY=[@ANYBLOB="1400000007ffff0700"], 0x9) mkdir(&(0x7f0000000440)='./file0\x00', 0x0) mount$9p_fd(0x0, &(0x7f00000005c0)='./file0\x00', &(0x7f0000000600)='9p\x00', 0x0, &(0x7f0000000640)={'trans=fd,', {'rfdno', 0x3d, r0}, 0x2c, {'wfdno', 0x3d, r1}, 0x2c, {[{@version_9p2000='version=9p2000', 0x2c}], 0xedc0}}) 03:39:27 executing program 0: perf_event_open(&(0x7f0000000180)={0x2, 0x70, 0x3e5}, 0x0, 0x0, 0xffffffffffffffff, 0x0) r0 = socket$inet_udp(0x2, 0x2, 0x0) sendto$inet(r0, &(0x7f0000000000), 0x0, 0x400c000, &(0x7f000083b000)={0x2, 0x4e20}, 0x10) r1 = syz_open_procfs(0x0, &(0x7f0000000080)='net/udp\x00') sendfile(r0, r1, &(0x7f0000000000)=0x10000000, 0xff) [ 1469.111624] nla_parse: 7 callbacks suppressed [ 1469.111636] netlink: 104 bytes leftover after parsing attributes in process `syz-executor4'. [ 1469.113756] 9pnet: p9_errstr2errno: server reported unknown error  [ 1469.143417] BTRFS error (device loop2): unsupported checksum algorithm 3786 [ 1469.150748] BTRFS error (device loop2): superblock checksum mismatch [ 1469.163937] 9pnet: p9_errstr2errno: server reported unknown error  [ 1469.178168] BTRFS error (device loop2): open_ctree failed [ 1469.203496] BTRFS error (device loop2): unsupported checksum algorithm 3786 [ 1469.210712] BTRFS error (device loop2): superblock checksum mismatch [ 1469.217971] BTRFS error (device loop2): open_ctree failed 03:39:28 executing program 5: r0 = syz_open_dev$sndseq(&(0x7f0000dcc000)='/dev/snd/seq\x00', 0x0, 0x0) read(r0, &(0x7f0000000280)=""/28, 0x58) ioctl$SNDRV_SEQ_IOCTL_REMOVE_EVENTS(r0, 0x4040534e, &(0x7f000019ffe9)={0xc1}) ioctl$SNDRV_SEQ_IOCTL_SET_PORT_INFO(r0, 0x40a85323, &(0x7f0000000080)={{0x80}, 'port1\x00'}) ioctl$SNDRV_SEQ_IOCTL_SUBSCRIBE_PORT(r0, 0x40505330, &(0x7f0000000140)) openat$sequencer2(0xffffffffffffff9c, &(0x7f0000000040)='/dev/sequencer2\x00', 0x0, 0x0) 03:39:28 executing program 1: r0 = socket$inet6(0xa, 0x1000000000002, 0x0) ioctl(r0, 0x8912, &(0x7f0000000280)="025cc83d6d345f8f762070") syz_mount_image$btrfs(&(0x7f0000000080)='btrfs\x00', &(0x7f0000000100)='./file0\x00', 0x0, 0x1, &(0x7f0000000200)=[{&(0x7f0000000500)="8da4363a00000000000115250000004d01000000000000000000000000000000ecf6f2a2299748aeb81e1b00920efd9a000001000000000001000000000000005f42485266535f4dd2f873574f257e0a01e2a6a02f5e071383fa5a669a53f2fe9eb4eb7918628af41b", 0x69, 0x10000}], 0x0, &(0x7f0000000240)) 03:39:28 executing program 7: sendmsg$IPVS_CMD_FLUSH(0xffffffffffffffff, &(0x7f0000000340)={&(0x7f0000000100)={0x10}, 0xc, &(0x7f00000002c0)={&(0x7f00000001c0)=ANY=[@ANYBLOB='P\x00\x00\x00', @ANYBLOB="00000000000000000000110000002800030014000200697064647030000000000000000000000800040000000000080001000000000014000100080009000000000008005f50e2470000"], 0x2}, 0x1}, 0x0) r0 = socket$nl_generic(0x10, 0x3, 0x10) sendmsg$nl_generic(r0, &(0x7f00003cefe4)={&(0x7f0000000300)={0x10, 0x36200}, 0xc, &(0x7f0000007ff0)={&(0x7f0000000180)={0xffce, 0x2e, 0x6fd, 0x0, 0x0, {0x2004}, [@nested={0xc, 0x0, [@typed={0x62, 0x9, @ipv4}]}]}, 0xffce}, 0x1, 0x0, 0x100000000000000}, 0x0) 03:39:28 executing program 4: r0 = socket$nl_xfrm(0x10, 0x3, 0x6) sendmsg$nl_xfrm(r0, &(0x7f0000000400)={&(0x7f0000000040)={0x10}, 0xc, &(0x7f00000001c0)={&(0x7f0000000080)=@updpolicy={0xb8, 0x14, 0x407, 0x0, 0x0, {{@in=@loopback=0x7f000001, @in6=@ipv4={[0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x2000000], [0xff, 0xff], @dev={0xac, 0x14, 0x14}}, 0x0, 0x0, 0x0, 0x0, 0x2}}}, 0xb8}, 0x1}, 0x0) 03:39:28 executing program 0: perf_event_open(&(0x7f0000000180)={0x2, 0x70, 0x3e5}, 0x0, 0x0, 0xffffffffffffffff, 0x0) r0 = socket$inet_udp(0x2, 0x2, 0x0) sendto$inet(r0, &(0x7f0000000000), 0x0, 0x400c000, &(0x7f000083b000)={0x2, 0x4e20}, 0x10) r1 = syz_open_procfs(0x0, &(0x7f0000000080)='net/udp\x00') sendfile(r0, r1, &(0x7f0000000000)=0x4800, 0xff) 03:39:28 executing program 6: perf_event_open(&(0x7f0000000180)={0x2, 0x70, 0x3e5}, 0x0, 0x0, 0xffffffffffffffff, 0x0) ioctl$KVM_CREATE_VM(0xffffffffffffffff, 0xae01, 0x0) pipe2$9p(&(0x7f0000000000)={0xffffffffffffffff, 0xffffffffffffffff}, 0x0) write$P9_RLERRORu(r1, &(0x7f0000000080)=ANY=[@ANYBLOB="1400000007ffff0700"], 0x9) mkdir(&(0x7f0000000440)='./file0\x00', 0x0) mount$9p_fd(0x0, &(0x7f00000005c0)='./file0\x00', &(0x7f0000000600)='9p\x00', 0x0, &(0x7f0000000640)={'trans=fd,', {'rfdno', 0x3d, r0}, 0x2c, {'wfdno', 0x3d, r1}, 0x2c, {[{@version_9p2000='version=9p2000', 0x2c}], 0x900000000000000}}) 03:39:28 executing program 2: r0 = socket$inet6(0xa, 0x1000000000002, 0x0) ioctl(r0, 0x8912, &(0x7f0000000280)="025cc83d6d345f8f762070") syz_mount_image$btrfs(&(0x7f0000000080)='btrfs\x00', &(0x7f0000000100)='./file0\x00', 0x0, 0x1, &(0x7f0000000200)=[{&(0x7f0000000500)="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", 0x116, 0x10000}], 0x0, &(0x7f0000000240)) 03:39:28 executing program 3: r0 = socket$inet(0x2, 0x4000000000000001, 0x0) setsockopt$inet_tcp_TCP_CONGESTION(r0, 0x6, 0xd, &(0x7f0000000140)='nv\x00', 0x3) sendto$inet(r0, &(0x7f0000a88f88), 0xfffffffffffffe6e, 0x20000000, &(0x7f0000e68000)={0x2, 0x0, @local={0xac, 0x14, 0x14, 0xaa}, [0x0, 0xff0f]}, 0x10) shutdown(r0, 0x0) 03:39:28 executing program 4: r0 = socket$nl_xfrm(0x10, 0x3, 0x6) sendmsg$nl_xfrm(r0, &(0x7f0000000400)={&(0x7f0000000040)={0x10}, 0xc, &(0x7f00000001c0)={&(0x7f0000000080)=@updpolicy={0xb8, 0x14, 0x407, 0x0, 0x0, {{@in=@loopback=0x7f000001, @in6=@ipv4={[0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xf000], [0xff, 0xff], @dev={0xac, 0x14, 0x14}}, 0x0, 0x0, 0x0, 0x0, 0x2}}}, 0xb8}, 0x1}, 0x0) [ 1470.024710] netlink: 104 bytes leftover after parsing attributes in process `syz-executor4'. [ 1470.042303] 9pnet: p9_errstr2errno: server reported unknown error  [ 1470.063198] BTRFS error (device loop1): superblock checksum mismatch 03:39:28 executing program 7: sendmsg$IPVS_CMD_FLUSH(0xffffffffffffffff, &(0x7f0000000340)={&(0x7f0000000100)={0x10}, 0xc, &(0x7f00000002c0)={&(0x7f00000001c0)=ANY=[@ANYBLOB='P\x00\x00\x00', @ANYBLOB="00000000000000000000110000002800030014000200697064647030000000000000000000000800040000000000080001000000000014000100080009000000000008005f50e2470000"], 0x2}, 0x1}, 0x0) r0 = socket$nl_generic(0x10, 0x3, 0x10) sendmsg$nl_generic(r0, &(0x7f00003cefe4)={&(0x7f0000000300)={0x10, 0x36200}, 0xc, &(0x7f0000007ff0)={&(0x7f0000000180)={0xffce, 0x2e, 0x6fd, 0x0, 0x0, {0x2004}, [@nested={0xc, 0x0, [@typed={0x62, 0x9, @ipv4}]}]}, 0xffce}, 0x1, 0x0, 0x200000000000000}, 0x0) 03:39:28 executing program 0: perf_event_open(&(0x7f0000000180)={0x2, 0x70, 0x3e5}, 0x0, 0x0, 0xffffffffffffffff, 0x0) r0 = socket$inet_udp(0x2, 0x2, 0x0) sendto$inet(r0, &(0x7f0000000000), 0x0, 0x400c000, &(0x7f000083b000)={0x2, 0x4e20}, 0x10) r1 = syz_open_procfs(0x0, &(0x7f0000000080)='net/udp\x00') sendfile(r0, r1, &(0x7f0000000000)=0x4c, 0xff) [ 1470.081642] 9pnet: p9_errstr2errno: server reported unknown error  [ 1470.082102] BTRFS error (device loop1): open_ctree failed [ 1470.098979] BTRFS error (device loop1): superblock checksum mismatch [ 1470.106441] netlink: 104 bytes leftover after parsing attributes in process `syz-executor4'. [ 1470.110681] BTRFS error (device loop1): open_ctree failed 03:39:28 executing program 6: perf_event_open(&(0x7f0000000180)={0x2, 0x70, 0x3e5}, 0x0, 0x0, 0xffffffffffffffff, 0x0) ioctl$KVM_CREATE_VM(0xffffffffffffffff, 0xae01, 0x0) pipe2$9p(&(0x7f0000000000)={0xffffffffffffffff, 0xffffffffffffffff}, 0x0) write$P9_RLERRORu(r1, &(0x7f0000000080)=ANY=[@ANYBLOB="1400000007ffff0700"], 0x9) mkdir(&(0x7f0000000440)='./file0\x00', 0x0) mount$9p_fd(0x0, &(0x7f00000005c0)='./file0\x00', &(0x7f0000000600)='9p\x00', 0x0, &(0x7f0000000640)={'trans=fd,', {'rfdno', 0x3d, r0}, 0x2c, {'wfdno', 0x3d, r1}, 0x2c, {[{@version_9p2000='version=9p2000', 0x2c}], 0x300000000000000}}) 03:39:28 executing program 4: r0 = socket$nl_xfrm(0x10, 0x3, 0x6) sendmsg$nl_xfrm(r0, &(0x7f0000000400)={&(0x7f0000000040)={0x10}, 0xc, &(0x7f00000001c0)={&(0x7f0000000080)=@updpolicy={0xb8, 0x14, 0x407, 0x0, 0x0, {{@in=@loopback=0x7f000001, @in6=@ipv4={[0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x300], [0xff, 0xff], @dev={0xac, 0x14, 0x14}}, 0x0, 0x0, 0x0, 0x0, 0x2}}}, 0xb8}, 0x1}, 0x0) 03:39:28 executing program 7: sendmsg$IPVS_CMD_FLUSH(0xffffffffffffffff, &(0x7f0000000340)={&(0x7f0000000100)={0x10}, 0xc, &(0x7f00000002c0)={&(0x7f00000001c0)=ANY=[@ANYBLOB='P\x00\x00\x00', @ANYBLOB="00000000000000000000110000002800030014000200697064647030000000000000000000000800040000000000080001000000000014000100080009000000000008005f50e2470000"], 0x2}, 0x1}, 0x0) r0 = socket$nl_generic(0x10, 0x3, 0x10) sendmsg$nl_generic(r0, &(0x7f00003cefe4)={&(0x7f0000000300)={0x10, 0x36200}, 0xc, &(0x7f0000007ff0)={&(0x7f0000000180)={0xffce, 0x2e, 0x6fd, 0x0, 0x0, {0x2004}, [@nested={0xc, 0x0, [@typed={0x62, 0x9, @ipv4}]}]}, 0xffce}, 0x1, 0x0, 0x7000000}, 0x0) [ 1470.151224] BTRFS error (device loop2): unsupported checksum algorithm 3786 [ 1470.158417] BTRFS error (device loop2): superblock checksum mismatch 03:39:28 executing program 0: perf_event_open(&(0x7f0000000180)={0x2, 0x70, 0x3e5}, 0x0, 0x0, 0xffffffffffffffff, 0x0) r0 = socket$inet_udp(0x2, 0x2, 0x0) sendto$inet(r0, &(0x7f0000000000), 0x0, 0x400c000, &(0x7f000083b000)={0x2, 0x4e20}, 0x10) r1 = syz_open_procfs(0x0, &(0x7f0000000080)='net/udp\x00') sendfile(r0, r1, &(0x7f0000000000)=0x2, 0xff) [ 1470.200622] 9pnet: p9_errstr2errno: server reported unknown error  [ 1470.201719] BTRFS error (device loop2): open_ctree failed [ 1470.214535] BTRFS error (device loop2): unsupported checksum algorithm 3786 [ 1470.221690] BTRFS error (device loop2): superblock checksum mismatch [ 1470.239381] 9pnet: p9_errstr2errno: server reported unknown error  03:39:28 executing program 2: r0 = socket$inet6(0xa, 0x1000000000002, 0x0) ioctl(r0, 0x8912, &(0x7f0000000280)="025cc83d6d345f8f762070") syz_mount_image$btrfs(&(0x7f0000000080)='btrfs\x00', &(0x7f0000000100)='./file0\x00', 0x0, 0x1, &(0x7f0000000200)=[{&(0x7f0000000500)="8da4363a00000000000000000b15004d01000000000000000000000000000000ecf6f2a2299748aeb81e1b00920efd9a000001000000000001000000000000005f42485266535f4dd2f873574f257e0a01e2a6a02f5e071383fa5a669a53f2fe9eb4eb7918628af41b035fd98372e7c2a6970f550441f0b263dca46c12ce6aaa994fbb4b3493ca901878bb330d2db8e953fc883f9c754f419e963874199295a945ec867b4f224fde52268a81e1154b80f7076f32b6eb8614c672ecdecd385a1a7b8cac7cca0eb0cdbf1c5ee539c37d1f23b763ce55672b8e492664e624e0efe078f2e3aa38061af373a3d160cfbe9b6318577fabec9baa14a9377d7ffef2b72f36353de7db160717b00a6f6055d08594df3bff1ac4f0", 0x116, 0x10000}], 0x0, &(0x7f0000000240)) [ 1470.243883] netlink: 104 bytes leftover after parsing attributes in process `syz-executor4'. [ 1470.264164] BTRFS error (device loop2): open_ctree failed [ 1470.312525] BTRFS error (device loop2): unsupported checksum algorithm 3786 [ 1470.319765] BTRFS error (device loop2): superblock checksum mismatch [ 1470.328807] BTRFS error (device loop2): open_ctree failed [ 1470.344370] BTRFS error (device loop2): unsupported checksum algorithm 3786 [ 1470.351573] BTRFS error (device loop2): superblock checksum mismatch [ 1470.358814] BTRFS error (device loop2): open_ctree failed 03:39:29 executing program 5: r0 = syz_open_dev$sndseq(&(0x7f0000dcc000)='/dev/snd/seq\x00', 0x0, 0x0) ioctl$SNDRV_SEQ_IOCTL_CREATE_PORT(r0, 0xc0a85320, &(0x7f0000418f50)={{0x80}, "0a4ceaa05d9a00000000000000039b3fd4cec307e8ef3d13eb790ec9c65abaf90d229db692542e5b78f8b29e0a27800f0000000000000009fb42f376589701a4", 0xa9824f69d1376637, 0x10800a}) ioctl$SNDRV_SEQ_IOCTL_REMOVE_EVENTS(r0, 0x4040534e, &(0x7f000019ffe9)={0xc1}) ioctl$SNDRV_SEQ_IOCTL_SET_PORT_INFO(r0, 0x40a85323, &(0x7f0000000080)={{0x80}, 'port1\x00'}) ioctl$SNDRV_SEQ_IOCTL_SUBSCRIBE_PORT(r0, 0x40505330, &(0x7f0000000140)) openat$sequencer2(0xffffffffffffff9c, &(0x7f0000000040)='/dev/sequencer2\x00', 0x0, 0x0) 03:39:29 executing program 7: sendmsg$IPVS_CMD_FLUSH(0xffffffffffffffff, &(0x7f0000000340)={&(0x7f0000000100)={0x10}, 0xc, &(0x7f00000002c0)={&(0x7f00000001c0)=ANY=[@ANYBLOB='P\x00\x00\x00', @ANYBLOB="00000000000000000000110000002800030014000200697064647030000000000000000000000800040000000000080001000000000014000100080009000000000008005f50e2470000"], 0x2}, 0x1}, 0x0) r0 = socket$nl_generic(0x10, 0x3, 0x10) sendmsg$nl_generic(r0, &(0x7f00003cefe4)={&(0x7f0000000300)={0x10, 0x36200}, 0xc, &(0x7f0000007ff0)={&(0x7f0000000180)={0xffce, 0x2e, 0x6fd, 0x0, 0x0, {0x2004}, [@nested={0xc, 0x0, [@typed={0x62, 0x9, @ipv4}]}]}, 0xffce}, 0x1, 0x0, 0x7400}, 0x0) 03:39:29 executing program 4: r0 = socket$nl_xfrm(0x10, 0x3, 0x6) sendmsg$nl_xfrm(r0, &(0x7f0000000400)={&(0x7f0000000040)={0x10}, 0xc, &(0x7f00000001c0)={&(0x7f0000000080)=@updpolicy={0xb8, 0x14, 0x407, 0x0, 0x0, {{@in=@loopback=0x7f000001, @in6=@ipv4={[0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x2], [0xff, 0xff], @dev={0xac, 0x14, 0x14}}, 0x0, 0x0, 0x0, 0x0, 0x2}}}, 0xb8}, 0x1}, 0x0) 03:39:29 executing program 1: r0 = socket$inet6(0xa, 0x1000000000002, 0x0) ioctl(r0, 0x8912, &(0x7f0000000280)="025cc83d6d345f8f762070") syz_mount_image$btrfs(&(0x7f0000000080)='btrfs\x00', &(0x7f0000000100)='./file0\x00', 0x0, 0x1, &(0x7f0000000200)=[{&(0x7f0000000500)="8da4363a0000000002d400000000004d01000000000000000000000000000000ecf6f2a2299748aeb81e1b00920efd9a000001000000000001000000000000005f42485266535f4dd2f873574f257e0a01e2a6a02f5e071383fa5a669a53f2fe9eb4eb7918628af41b", 0x69, 0x10000}], 0x0, &(0x7f0000000240)) 03:39:29 executing program 0: perf_event_open(&(0x7f0000000180)={0x2, 0x70, 0x3e5}, 0x0, 0x0, 0xffffffffffffffff, 0x0) r0 = socket$inet_udp(0x2, 0x2, 0x0) sendto$inet(r0, &(0x7f0000000000), 0x0, 0x400c000, &(0x7f000083b000)={0x2, 0x4e20}, 0x10) r1 = syz_open_procfs(0x0, &(0x7f0000000080)='net/udp\x00') sendfile(r0, r1, &(0x7f0000000000)=0x2000000000000000, 0xff) 03:39:29 executing program 6: perf_event_open(&(0x7f0000000180)={0x2, 0x70, 0x3e5}, 0x0, 0x0, 0xffffffffffffffff, 0x0) ioctl$KVM_CREATE_VM(0xffffffffffffffff, 0xae01, 0x0) pipe2$9p(&(0x7f0000000000)={0xffffffffffffffff, 0xffffffffffffffff}, 0x0) write$P9_RLERRORu(r1, &(0x7f0000000080)=ANY=[@ANYBLOB="1400000007ffff0700"], 0x9) mkdir(&(0x7f0000000440)='./file0\x00', 0x0) mount$9p_fd(0x0, &(0x7f00000005c0)='./file0\x00', &(0x7f0000000600)='9p\x00', 0x0, &(0x7f0000000640)={'trans=fd,', {'rfdno', 0x3d, r0}, 0x2c, {'wfdno', 0x3d, r1}, 0x2c, {[{@version_9p2000='version=9p2000', 0x2c}], 0x5000000}}) 03:39:29 executing program 2: r0 = socket$inet6(0xa, 0x1000000000002, 0x0) ioctl(r0, 0x8912, &(0x7f0000000280)="025cc83d6d345f8f762070") syz_mount_image$btrfs(&(0x7f0000000080)='btrfs\x00', &(0x7f0000000100)='./file0\x00', 0x0, 0x1, &(0x7f0000000200)=[{&(0x7f0000000500)="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", 0x116, 0x10000}], 0x0, &(0x7f0000000240)) 03:39:29 executing program 3: r0 = socket$inet(0x2, 0x4000000000000001, 0x0) setsockopt$inet_tcp_TCP_CONGESTION(r0, 0x6, 0xd, &(0x7f0000000140)='nv\x00', 0x3) sendto$inet(r0, &(0x7f0000a88f88), 0xfffffffffffffe6e, 0x20000000, &(0x7f0000e68000)={0x2, 0x0, @local={0xac, 0x14, 0x14, 0xaa}, [0x0, 0x3000000]}, 0x10) shutdown(r0, 0x0) 03:39:29 executing program 7: sendmsg$IPVS_CMD_FLUSH(0xffffffffffffffff, &(0x7f0000000340)={&(0x7f0000000100)={0x10}, 0xc, &(0x7f00000002c0)={&(0x7f00000001c0)=ANY=[@ANYBLOB='P\x00\x00\x00', @ANYBLOB="00000000000000000000110000002800030014000200697064647030000000000000000000000800040000000000080001000000000014000100080009000000000008005f50e2470000"], 0x2}, 0x1}, 0x0) r0 = socket$nl_generic(0x10, 0x3, 0x10) sendmsg$nl_generic(r0, &(0x7f00003cefe4)={&(0x7f0000000300)={0x10, 0x36200}, 0xc, &(0x7f0000007ff0)={&(0x7f0000000180)={0xffce, 0x2e, 0x6fd, 0x0, 0x0, {0x2004}, [@nested={0xc, 0x0, [@typed={0x62, 0x9, @ipv4}]}]}, 0xffce}, 0x1, 0x0, 0xf0}, 0x0) 03:39:29 executing program 0: perf_event_open(&(0x7f0000000180)={0x2, 0x70, 0x3e5}, 0x0, 0x0, 0xffffffffffffffff, 0x0) r0 = socket$inet_udp(0x2, 0x2, 0x0) sendto$inet(r0, &(0x7f0000000000), 0x0, 0x400c000, &(0x7f000083b000)={0x2, 0x4e20}, 0x10) r1 = syz_open_procfs(0x0, &(0x7f0000000080)='net/udp\x00') sendfile(r0, r1, &(0x7f0000000000)=0xa00, 0xff) [ 1471.113272] netlink: 104 bytes leftover after parsing attributes in process `syz-executor4'. [ 1471.116001] 9pnet: p9_errstr2errno: server reported unknown error  [ 1471.140042] BTRFS error (device loop2): unsupported checksum algorithm 3786 [ 1471.147284] BTRFS error (device loop2): superblock checksum mismatch 03:39:29 executing program 4: r0 = socket$nl_xfrm(0x10, 0x3, 0x6) sendmsg$nl_xfrm(r0, &(0x7f0000000400)={&(0x7f0000000040)={0x10}, 0xc, &(0x7f00000001c0)={&(0x7f0000000080)=@updpolicy={0xb8, 0x14, 0x407, 0x0, 0x0, {{@in=@loopback=0x7f000001, @in6=@ipv4={[0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x34000], [0xff, 0xff], @dev={0xac, 0x14, 0x14}}, 0x0, 0x0, 0x0, 0x0, 0x2}}}, 0xb8}, 0x1}, 0x0) 03:39:29 executing program 5: r0 = syz_open_dev$sndseq(&(0x7f0000dcc000)='/dev/snd/seq\x00', 0x0, 0x0) ioctl$SNDRV_SEQ_IOCTL_CREATE_PORT(r0, 0xc0a85320, &(0x7f0000418f50)={{0x80}, "0a4ceaa05d9a00000000000000039b3fd4cec307e8ef3d13eb790ec9c65abaf90d229db692542e5b78f8b29e0a27800f0000000000000009fb42f376589701a4", 0xa9824f69d1376637, 0x10800a}) ioctl$SNDRV_SEQ_IOCTL_REMOVE_EVENTS(r0, 0x4040534e, &(0x7f000019ffe9)={0xc1}) ioctl$SNDRV_SEQ_IOCTL_SET_PORT_INFO(r0, 0x40a85323, &(0x7f0000000080)={{0x80}, 'port1\x00'}) ioctl$SNDRV_SEQ_IOCTL_SUBSCRIBE_PORT(r0, 0x40505330, &(0x7f0000000140)) openat$sequencer2(0xffffffffffffff9c, &(0x7f0000000040)='/dev/sequencer2\x00', 0x0, 0x0) [ 1471.176152] 9pnet: p9_errstr2errno: server reported unknown error  [ 1471.182856] BTRFS error (device loop2): open_ctree failed 03:39:29 executing program 6: perf_event_open(&(0x7f0000000180)={0x2, 0x70, 0x3e5}, 0x0, 0x0, 0xffffffffffffffff, 0x0) ioctl$KVM_CREATE_VM(0xffffffffffffffff, 0xae01, 0x0) pipe2$9p(&(0x7f0000000000)={0xffffffffffffffff, 0xffffffffffffffff}, 0x0) write$P9_RLERRORu(r1, &(0x7f0000000080)=ANY=[@ANYBLOB="1400000007ffff0700"], 0x9) mkdir(&(0x7f0000000440)='./file0\x00', 0x0) mount$9p_fd(0x0, &(0x7f00000005c0)='./file0\x00', &(0x7f0000000600)='9p\x00', 0x0, &(0x7f0000000640)={'trans=fd,', {'rfdno', 0x3d, r0}, 0x2c, {'wfdno', 0x3d, r1}, 0x2c, {[{@version_9p2000='version=9p2000', 0x2c}], 0xff000000}}) 03:39:29 executing program 7: sendmsg$IPVS_CMD_FLUSH(0xffffffffffffffff, &(0x7f0000000340)={&(0x7f0000000100)={0x10}, 0xc, &(0x7f00000002c0)={&(0x7f00000001c0)=ANY=[@ANYBLOB='P\x00\x00\x00', @ANYBLOB="00000000000000000000110000002800030014000200697064647030000000000000000000000800040000000000080001000000000014000100080009000000000008005f50e2470000"], 0x2}, 0x1}, 0x0) r0 = socket$nl_generic(0x10, 0x3, 0x10) sendmsg$nl_generic(r0, &(0x7f00003cefe4)={&(0x7f0000000300)={0x10, 0x36200}, 0xc, &(0x7f0000007ff0)={&(0x7f0000000180)={0xffce, 0x2e, 0x6fd, 0x0, 0x0, {0x2004}, [@nested={0xc, 0x0, [@typed={0x62, 0x9, @ipv4}]}]}, 0xffce}, 0x1, 0x0, 0x4}, 0x0) [ 1471.217983] BTRFS error (device loop2): unsupported checksum algorithm 3786 [ 1471.225310] BTRFS error (device loop2): superblock checksum mismatch [ 1471.251230] netlink: 104 bytes leftover after parsing attributes in process `syz-executor4'. 03:39:29 executing program 0: perf_event_open(&(0x7f0000000180)={0x2, 0x70, 0x3e5}, 0x0, 0x0, 0xffffffffffffffff, 0x0) r0 = socket$inet_udp(0x2, 0x2, 0x0) sendto$inet(r0, &(0x7f0000000000), 0x0, 0x400c000, &(0x7f000083b000)={0x2, 0x4e20}, 0x10) r1 = syz_open_procfs(0x0, &(0x7f0000000080)='net/udp\x00') sendfile(r0, r1, &(0x7f0000000000)=0x1f4, 0xff) 03:39:29 executing program 2: r0 = socket$inet6(0xa, 0x1000000000002, 0x0) ioctl(r0, 0x8912, &(0x7f0000000280)="025cc83d6d345f8f762070") syz_mount_image$btrfs(&(0x7f0000000080)='btrfs\x00', &(0x7f0000000100)='./file0\x00', 0x0, 0x1, &(0x7f0000000200)=[{&(0x7f0000000500)="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", 0x116, 0x10000}], 0x0, &(0x7f0000000240)) 03:39:29 executing program 4: r0 = socket$nl_xfrm(0x10, 0x3, 0x6) sendmsg$nl_xfrm(r0, &(0x7f0000000400)={&(0x7f0000000040)={0x10}, 0xc, &(0x7f00000001c0)={&(0x7f0000000080)=@updpolicy={0xb8, 0x14, 0x407, 0x0, 0x0, {{@in=@loopback=0x7f000001, @in6=@ipv4={[0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xffffff7f00000000], [0xff, 0xff], @dev={0xac, 0x14, 0x14}}, 0x0, 0x0, 0x0, 0x0, 0x2}}}, 0xb8}, 0x1}, 0x0) 03:39:29 executing program 7: sendmsg$IPVS_CMD_FLUSH(0xffffffffffffffff, &(0x7f0000000340)={&(0x7f0000000100)={0x10}, 0xc, &(0x7f00000002c0)={&(0x7f00000001c0)=ANY=[@ANYBLOB='P\x00\x00\x00', @ANYBLOB="00000000000000000000110000002800030014000200697064647030000000000000000000000800040000000000080001000000000014000100080009000000000008005f50e2470000"], 0x2}, 0x1}, 0x0) r0 = socket$nl_generic(0x10, 0x3, 0x10) sendmsg$nl_generic(r0, &(0x7f00003cefe4)={&(0x7f0000000300)={0x10, 0x36200}, 0xc, &(0x7f0000007ff0)={&(0x7f0000000180)={0xffce, 0x2e, 0x6fd, 0x0, 0x0, {0x2004}, [@nested={0xc, 0x0, [@typed={0x62, 0x9, @ipv4}]}]}, 0xffce}, 0x1, 0x0, 0x7a00000000000000}, 0x0) 03:39:29 executing program 5: r0 = syz_open_dev$sndseq(&(0x7f0000dcc000)='/dev/snd/seq\x00', 0x0, 0x0) ioctl$SNDRV_SEQ_IOCTL_CREATE_PORT(r0, 0xc0a85320, &(0x7f0000418f50)={{0x80}, "0a4ceaa05d9a00000000000000039b3fd4cec307e8ef3d13eb790ec9c65abaf90d229db692542e5b78f8b29e0a27800f0000000000000009fb42f376589701a4", 0xa9824f69d1376637, 0x10800a}) ioctl$SNDRV_SEQ_IOCTL_REMOVE_EVENTS(r0, 0x4040534e, &(0x7f000019ffe9)={0xc1}) ioctl$SNDRV_SEQ_IOCTL_SET_PORT_INFO(r0, 0x40a85323, &(0x7f0000000080)={{0x80}, 'port1\x00'}) ioctl$SNDRV_SEQ_IOCTL_SUBSCRIBE_PORT(r0, 0x40505330, &(0x7f0000000140)) openat$sequencer2(0xffffffffffffff9c, &(0x7f0000000040)='/dev/sequencer2\x00', 0x0, 0x0) [ 1471.266523] 9pnet: p9_errstr2errno: server reported unknown error  [ 1471.285002] BTRFS error (device loop2): open_ctree failed [ 1471.307681] 9pnet: p9_errstr2errno: server reported unknown error  03:39:29 executing program 1: r0 = socket$inet6(0xa, 0x1000000000002, 0x0) ioctl(r0, 0x8912, &(0x7f0000000280)="025cc83d6d345f8f762070") syz_mount_image$btrfs(&(0x7f0000000080)='btrfs\x00', &(0x7f0000000100)='./file0\x00', 0x0, 0x1, &(0x7f0000000200)=[{&(0x7f0000000500)="8da4363a00000000004800000000004d01000000000000000000000000000000ecf6f2a2299748aeb81e1b00920efd9a000001000000000001000000000000005f42485266535f4dd2f873574f257e0a01e2a6a02f5e071383fa5a669a53f2fe9eb4eb7918628af41b", 0x69, 0x10000}], 0x0, &(0x7f0000000240)) 03:39:29 executing program 6: perf_event_open(&(0x7f0000000180)={0x2, 0x70, 0x3e5}, 0x0, 0x0, 0xffffffffffffffff, 0x0) ioctl$KVM_CREATE_VM(0xffffffffffffffff, 0xae01, 0x0) pipe2$9p(&(0x7f0000000000)={0xffffffffffffffff, 0xffffffffffffffff}, 0x0) write$P9_RLERRORu(r1, &(0x7f0000000080)=ANY=[@ANYBLOB="1400000007ffff0700"], 0x9) mkdir(&(0x7f0000000440)='./file0\x00', 0x0) mount$9p_fd(0x0, &(0x7f00000005c0)='./file0\x00', &(0x7f0000000600)='9p\x00', 0x0, &(0x7f0000000640)={'trans=fd,', {'rfdno', 0x3d, r0}, 0x2c, {'wfdno', 0x3d, r1}, 0x2c, {[{@version_9p2000='version=9p2000', 0x2c}], 0x3f00}}) 03:39:29 executing program 0: perf_event_open(&(0x7f0000000180)={0x2, 0x70, 0x3e5}, 0x0, 0x0, 0xffffffffffffffff, 0x0) r0 = socket$inet_udp(0x2, 0x2, 0x0) sendto$inet(r0, &(0x7f0000000000), 0x0, 0x400c000, &(0x7f000083b000)={0x2, 0x4e20}, 0x10) r1 = syz_open_procfs(0x0, &(0x7f0000000080)='net/udp\x00') sendfile(r0, r1, &(0x7f0000000000)=0x7, 0xff) 03:39:29 executing program 4: r0 = socket$nl_xfrm(0x10, 0x3, 0x6) sendmsg$nl_xfrm(r0, &(0x7f0000000400)={&(0x7f0000000040)={0x10}, 0xc, &(0x7f00000001c0)={&(0x7f0000000080)=@updpolicy={0xb8, 0x14, 0x407, 0x0, 0x0, {{@in=@loopback=0x7f000001, @in6=@ipv4={[0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x3000000], [0xff, 0xff], @dev={0xac, 0x14, 0x14}}, 0x0, 0x0, 0x0, 0x0, 0x2}}}, 0xb8}, 0x1}, 0x0) [ 1471.360865] netlink: 104 bytes leftover after parsing attributes in process `syz-executor4'. [ 1471.390870] BTRFS error (device loop2): unsupported checksum algorithm 3786 [ 1471.398069] BTRFS error (device loop2): superblock checksum mismatch [ 1471.438512] 9pnet: p9_errstr2errno: server reported unknown error  [ 1471.439412] BTRFS error (device loop2): open_ctree failed [ 1471.469557] BTRFS error (device loop2): unsupported checksum algorithm 3786 [ 1471.476761] BTRFS error (device loop2): superblock checksum mismatch [ 1471.487449] netlink: 104 bytes leftover after parsing attributes in process `syz-executor4'. [ 1471.500032] 9pnet: p9_errstr2errno: server reported unknown error  [ 1471.508653] BTRFS error (device loop2): open_ctree failed 03:39:30 executing program 3: r0 = socket$inet(0x2, 0x4000000000000001, 0x0) setsockopt$inet_tcp_TCP_CONGESTION(r0, 0x6, 0xd, &(0x7f0000000140)='nv\x00', 0x3) sendto$inet(r0, &(0x7f0000a88f88), 0xfffffffffffffe6e, 0x20000000, &(0x7f0000e68000)={0x2, 0x0, @local={0xac, 0x14, 0x14, 0xaa}, [0x0, 0x5]}, 0x10) shutdown(r0, 0x0) 03:39:30 executing program 7: sendmsg$IPVS_CMD_FLUSH(0xffffffffffffffff, &(0x7f0000000340)={&(0x7f0000000100)={0x10}, 0xc, &(0x7f00000002c0)={&(0x7f00000001c0)=ANY=[@ANYBLOB='P\x00\x00\x00', @ANYBLOB="00000000000000000000110000002800030014000200697064647030000000000000000000000800040000000000080001000000000014000100080009000000000008005f50e2470000"], 0x2}, 0x1}, 0x0) r0 = socket$nl_generic(0x10, 0x3, 0x10) sendmsg$nl_generic(r0, &(0x7f00003cefe4)={&(0x7f0000000300)={0x10, 0x36200}, 0xc, &(0x7f0000007ff0)={&(0x7f0000000180)={0xffce, 0x2e, 0x6fd, 0x0, 0x0, {0x2004}, [@nested={0xc, 0x0, [@typed={0x62, 0x9, @ipv4}]}]}, 0xffce}, 0x1, 0x0, 0x600000000000000}, 0x0) 03:39:30 executing program 5: read(0xffffffffffffffff, &(0x7f0000000280)=""/28, 0x58) ioctl$SNDRV_SEQ_IOCTL_CREATE_PORT(0xffffffffffffffff, 0xc0a85320, &(0x7f0000418f50)={{0x80}, "0a4ceaa05d9a00000000000000039b3fd4cec307e8ef3d13eb790ec9c65abaf90d229db692542e5b78f8b29e0a27800f0000000000000009fb42f376589701a4", 0xa9824f69d1376637, 0x10800a}) ioctl$SNDRV_SEQ_IOCTL_REMOVE_EVENTS(0xffffffffffffffff, 0x4040534e, &(0x7f000019ffe9)={0xc1}) ioctl$SNDRV_SEQ_IOCTL_SET_PORT_INFO(0xffffffffffffffff, 0x40a85323, &(0x7f0000000080)={{0x80}, 'port1\x00'}) ioctl$SNDRV_SEQ_IOCTL_SUBSCRIBE_PORT(0xffffffffffffffff, 0x40505330, &(0x7f0000000140)) openat$sequencer2(0xffffffffffffff9c, &(0x7f0000000040)='/dev/sequencer2\x00', 0x0, 0x0) 03:39:30 executing program 4: r0 = socket$nl_xfrm(0x10, 0x3, 0x6) sendmsg$nl_xfrm(r0, &(0x7f0000000400)={&(0x7f0000000040)={0x10}, 0xc, &(0x7f00000001c0)={&(0x7f0000000080)=@updpolicy={0xb8, 0x14, 0x407, 0x0, 0x0, {{@in=@loopback=0x7f000001, @in6=@ipv4={[0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x20000000], [0xff, 0xff], @dev={0xac, 0x14, 0x14}}, 0x0, 0x0, 0x0, 0x0, 0x2}}}, 0xb8}, 0x1}, 0x0) 03:39:30 executing program 2: r0 = socket$inet6(0xa, 0x1000000000002, 0x0) ioctl(r0, 0x8912, &(0x7f0000000280)="025cc83d6d345f8f762070") syz_mount_image$btrfs(&(0x7f0000000080)='btrfs\x00', &(0x7f0000000100)='./file0\x00', 0x0, 0x1, &(0x7f0000000200)=[{&(0x7f0000000500)="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", 0x116, 0x10000}], 0x0, &(0x7f0000000240)) 03:39:30 executing program 0: perf_event_open(&(0x7f0000000180)={0x2, 0x70, 0x3e5}, 0x0, 0x0, 0xffffffffffffffff, 0x0) r0 = socket$inet_udp(0x2, 0x2, 0x0) sendto$inet(r0, &(0x7f0000000000), 0x0, 0x400c000, &(0x7f000083b000)={0x2, 0x4e20}, 0x10) r1 = syz_open_procfs(0x0, &(0x7f0000000080)='net/udp\x00') sendfile(r0, r1, &(0x7f0000000000)=0xfeffffff00000000, 0xff) 03:39:30 executing program 6: perf_event_open(&(0x7f0000000180)={0x2, 0x70, 0x3e5}, 0x0, 0x0, 0xffffffffffffffff, 0x0) ioctl$KVM_CREATE_VM(0xffffffffffffffff, 0xae01, 0x0) pipe2$9p(&(0x7f0000000000)={0xffffffffffffffff, 0xffffffffffffffff}, 0x0) write$P9_RLERRORu(r1, &(0x7f0000000080)=ANY=[@ANYBLOB="1400000007ffff0700"], 0x9) mkdir(&(0x7f0000000440)='./file0\x00', 0x0) mount$9p_fd(0x0, &(0x7f00000005c0)='./file0\x00', &(0x7f0000000600)='9p\x00', 0x0, &(0x7f0000000640)={'trans=fd,', {'rfdno', 0x3d, r0}, 0x2c, {'wfdno', 0x3d, r1}, 0x2c, {[{@version_9p2000='version=9p2000', 0x2c}], 0x1000000}}) 03:39:30 executing program 1: r0 = socket$inet6(0xa, 0x1000000000002, 0x0) ioctl(r0, 0x8912, &(0x7f0000000280)="025cc83d6d345f8f762070") syz_mount_image$btrfs(&(0x7f0000000080)='btrfs\x00', &(0x7f0000000100)='./file0\x00', 0x0, 0x1, &(0x7f0000000200)=[{&(0x7f0000000500)="8da4363a00000000000000400000004d01000000000000000000000000000000ecf6f2a2299748aeb81e1b00920efd9a000001000000000001000000000000005f42485266535f4dd2f873574f257e0a01e2a6a02f5e071383fa5a669a53f2fe9eb4eb7918628af41b", 0x69, 0x10000}], 0x0, &(0x7f0000000240)) [ 1472.001151] netlink: 104 bytes leftover after parsing attributes in process `syz-executor4'. [ 1472.009006] 9pnet: p9_errstr2errno: server reported unknown error  [ 1472.026251] print_req_error: I/O error, dev loop1, sector 128 [ 1472.034486] BTRFS error (device loop2): unsupported checksum algorithm 3786 [ 1472.041685] BTRFS error (device loop2): superblock checksum mismatch 03:39:30 executing program 7: sendmsg$IPVS_CMD_FLUSH(0xffffffffffffffff, &(0x7f0000000340)={&(0x7f0000000100)={0x10}, 0xc, &(0x7f00000002c0)={&(0x7f00000001c0)=ANY=[@ANYBLOB='P\x00\x00\x00', @ANYBLOB="00000000000000000000110000002800030014000200697064647030000000000000000000000800040000000000080001000000000014000100080009000000000008005f50e2470000"], 0x2}, 0x1}, 0x0) r0 = socket$nl_generic(0x10, 0x3, 0x10) sendmsg$nl_generic(r0, &(0x7f00003cefe4)={&(0x7f0000000300)={0x10, 0x36200}, 0xc, &(0x7f0000007ff0)={&(0x7f0000000180)={0xffce, 0x2e, 0x6fd, 0x0, 0x0, {0x2004}, [@nested={0xc, 0x0, [@typed={0x62, 0x9, @ipv4}]}]}, 0xffce}, 0x1, 0x0, 0x68000000}, 0x0) 03:39:30 executing program 5: read(0xffffffffffffffff, &(0x7f0000000280)=""/28, 0x58) ioctl$SNDRV_SEQ_IOCTL_CREATE_PORT(0xffffffffffffffff, 0xc0a85320, &(0x7f0000418f50)={{0x80}, "0a4ceaa05d9a00000000000000039b3fd4cec307e8ef3d13eb790ec9c65abaf90d229db692542e5b78f8b29e0a27800f0000000000000009fb42f376589701a4", 0xa9824f69d1376637, 0x10800a}) ioctl$SNDRV_SEQ_IOCTL_REMOVE_EVENTS(0xffffffffffffffff, 0x4040534e, &(0x7f000019ffe9)={0xc1}) ioctl$SNDRV_SEQ_IOCTL_SET_PORT_INFO(0xffffffffffffffff, 0x40a85323, &(0x7f0000000080)={{0x80}, 'port1\x00'}) ioctl$SNDRV_SEQ_IOCTL_SUBSCRIBE_PORT(0xffffffffffffffff, 0x40505330, &(0x7f0000000140)) openat$sequencer2(0xffffffffffffff9c, &(0x7f0000000040)='/dev/sequencer2\x00', 0x0, 0x0) 03:39:30 executing program 0: perf_event_open(&(0x7f0000000180)={0x2, 0x70, 0x3e5}, 0x0, 0x0, 0xffffffffffffffff, 0x0) r0 = socket$inet_udp(0x2, 0x2, 0x0) sendto$inet(r0, &(0x7f0000000000), 0x0, 0x400c000, &(0x7f000083b000)={0x2, 0x4e20}, 0x10) r1 = syz_open_procfs(0x0, &(0x7f0000000080)='net/udp\x00') sendfile(r0, r1, &(0x7f0000000000)=0x200000000000000, 0xff) 03:39:30 executing program 4: r0 = socket$nl_xfrm(0x10, 0x3, 0x6) sendmsg$nl_xfrm(r0, &(0x7f0000000400)={&(0x7f0000000040)={0x10}, 0xc, &(0x7f00000001c0)={&(0x7f0000000080)=@updpolicy={0xb8, 0x14, 0x407, 0x0, 0x0, {{@in=@loopback=0x7f000001, @in6=@ipv4={[0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xffffff9e], [0xff, 0xff], @dev={0xac, 0x14, 0x14}}, 0x0, 0x0, 0x0, 0x0, 0x2}}}, 0xb8}, 0x1}, 0x0) [ 1472.059624] 9pnet: p9_errstr2errno: server reported unknown error  [ 1472.096874] BTRFS error (device loop2): open_ctree failed 03:39:30 executing program 6: perf_event_open(&(0x7f0000000180)={0x2, 0x70, 0x3e5}, 0x0, 0x0, 0xffffffffffffffff, 0x0) ioctl$KVM_CREATE_VM(0xffffffffffffffff, 0xae01, 0x0) pipe2$9p(&(0x7f0000000000)={0xffffffffffffffff, 0xffffffffffffffff}, 0x0) write$P9_RLERRORu(r1, &(0x7f0000000080)=ANY=[@ANYBLOB="1400000007ffff0700"], 0x9) mkdir(&(0x7f0000000440)='./file0\x00', 0x0) mount$9p_fd(0x0, &(0x7f00000005c0)='./file0\x00', &(0x7f0000000600)='9p\x00', 0x0, &(0x7f0000000640)={'trans=fd,', {'rfdno', 0x3d, r0}, 0x2c, {'wfdno', 0x3d, r1}, 0x2c, {[{@version_9p2000='version=9p2000', 0x2c}], 0x900}}) 03:39:30 executing program 5: read(0xffffffffffffffff, &(0x7f0000000280)=""/28, 0x58) ioctl$SNDRV_SEQ_IOCTL_CREATE_PORT(0xffffffffffffffff, 0xc0a85320, &(0x7f0000418f50)={{0x80}, "0a4ceaa05d9a00000000000000039b3fd4cec307e8ef3d13eb790ec9c65abaf90d229db692542e5b78f8b29e0a27800f0000000000000009fb42f376589701a4", 0xa9824f69d1376637, 0x10800a}) ioctl$SNDRV_SEQ_IOCTL_REMOVE_EVENTS(0xffffffffffffffff, 0x4040534e, &(0x7f000019ffe9)={0xc1}) ioctl$SNDRV_SEQ_IOCTL_SET_PORT_INFO(0xffffffffffffffff, 0x40a85323, &(0x7f0000000080)={{0x80}, 'port1\x00'}) ioctl$SNDRV_SEQ_IOCTL_SUBSCRIBE_PORT(0xffffffffffffffff, 0x40505330, &(0x7f0000000140)) openat$sequencer2(0xffffffffffffff9c, &(0x7f0000000040)='/dev/sequencer2\x00', 0x0, 0x0) 03:39:30 executing program 0: perf_event_open(&(0x7f0000000180)={0x2, 0x70, 0x3e5}, 0x0, 0x0, 0xffffffffffffffff, 0x0) r0 = socket$inet_udp(0x2, 0x2, 0x0) sendto$inet(r0, &(0x7f0000000000), 0x0, 0x400c000, &(0x7f000083b000)={0x2, 0x4e20}, 0x10) r1 = syz_open_procfs(0x0, &(0x7f0000000080)='net/udp\x00') sendfile(r0, r1, &(0x7f0000000000)=0x1000000, 0xff) 03:39:30 executing program 7: sendmsg$IPVS_CMD_FLUSH(0xffffffffffffffff, &(0x7f0000000340)={&(0x7f0000000100)={0x10}, 0xc, &(0x7f00000002c0)={&(0x7f00000001c0)=ANY=[@ANYBLOB='P\x00\x00\x00', @ANYBLOB="00000000000000000000110000002800030014000200697064647030000000000000000000000800040000000000080001000000000014000100080009000000000008005f50e2470000"], 0x2}, 0x1}, 0x0) r0 = socket$nl_generic(0x10, 0x3, 0x10) sendmsg$nl_generic(r0, &(0x7f00003cefe4)={&(0x7f0000000300)={0x10, 0x36200}, 0xc, &(0x7f0000007ff0)={&(0x7f0000000180)={0xffce, 0x2e, 0x6fd, 0x0, 0x0, {0x2004}, [@nested={0xc, 0x0, [@typed={0x62, 0x9, @ipv4}]}]}, 0xffce}, 0x1, 0x0, 0x34000}, 0x0) [ 1472.108067] netlink: 104 bytes leftover after parsing attributes in process `syz-executor4'. [ 1472.134213] BTRFS error (device loop2): unsupported checksum algorithm 3786 [ 1472.141444] BTRFS error (device loop2): superblock checksum mismatch [ 1472.173886] BTRFS error (device loop2): open_ctree failed [ 1472.194788] 9pnet: p9_errstr2errno: server reported unknown error  [ 1472.228339] 9pnet: p9_errstr2errno: server reported unknown error  03:39:31 executing program 3: r0 = socket$inet(0x2, 0x4000000000000001, 0x0) setsockopt$inet_tcp_TCP_CONGESTION(r0, 0x6, 0xd, &(0x7f0000000140)='nv\x00', 0x3) sendto$inet(r0, &(0x7f0000a88f88), 0xfffffffffffffe6e, 0x20000000, &(0x7f0000e68000)={0x2, 0x0, @local={0xac, 0x14, 0x14, 0xaa}, [0x0, 0x9]}, 0x10) shutdown(r0, 0x0) 03:39:31 executing program 2: r0 = socket$inet6(0xa, 0x1000000000002, 0x0) ioctl(r0, 0x8912, &(0x7f0000000280)="025cc83d6d345f8f762070") syz_mount_image$btrfs(&(0x7f0000000080)='btrfs\x00', &(0x7f0000000100)='./file0\x00', 0x0, 0x1, &(0x7f0000000200)=[{&(0x7f0000000500)="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", 0x116, 0x10000}], 0x0, &(0x7f0000000240)) 03:39:31 executing program 4: r0 = socket$nl_xfrm(0x10, 0x3, 0x6) sendmsg$nl_xfrm(r0, &(0x7f0000000400)={&(0x7f0000000040)={0x10}, 0xc, &(0x7f00000001c0)={&(0x7f0000000080)=@updpolicy={0xb8, 0x14, 0x407, 0x0, 0x0, {{@in=@loopback=0x7f000001, @in6=@ipv4={[0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x2337], [0xff, 0xff], @dev={0xac, 0x14, 0x14}}, 0x0, 0x0, 0x0, 0x0, 0x2}}}, 0xb8}, 0x1}, 0x0) 03:39:31 executing program 1: r0 = socket$inet6(0xa, 0x1000000000002, 0x0) ioctl(r0, 0x8912, &(0x7f0000000280)="025cc83d6d345f8f762070") syz_mount_image$btrfs(&(0x7f0000000080)='btrfs\x00', &(0x7f0000000100)='./file0\x00', 0x0, 0x1, &(0x7f0000000200)=[{&(0x7f0000000500)="8da4363a00000000fffffffb0000004d01000000000000000000000000000000ecf6f2a2299748aeb81e1b00920efd9a000001000000000001000000000000005f42485266535f4dd2f873574f257e0a01e2a6a02f5e071383fa5a669a53f2fe9eb4eb7918628af41b", 0x69, 0x10000}], 0x0, &(0x7f0000000240)) 03:39:31 executing program 0: perf_event_open(&(0x7f0000000180)={0x2, 0x70, 0x3e5}, 0x0, 0x0, 0xffffffffffffffff, 0x0) r0 = socket$inet_udp(0x2, 0x2, 0x0) sendto$inet(r0, &(0x7f0000000000), 0x0, 0x400c000, &(0x7f000083b000)={0x2, 0x4e20}, 0x10) r1 = syz_open_procfs(0x0, &(0x7f0000000080)='net/udp\x00') sendfile(r0, r1, &(0x7f0000000000)=0x5000000, 0xff) 03:39:31 executing program 7: sendmsg$IPVS_CMD_FLUSH(0xffffffffffffffff, &(0x7f0000000340)={&(0x7f0000000100)={0x10}, 0xc, &(0x7f00000002c0)={&(0x7f00000001c0)=ANY=[@ANYBLOB='P\x00\x00\x00', @ANYBLOB="00000000000000000000110000002800030014000200697064647030000000000000000000000800040000000000080001000000000014000100080009000000000008005f50e2470000"], 0x2}, 0x1}, 0x0) r0 = socket$nl_generic(0x10, 0x3, 0x10) sendmsg$nl_generic(r0, &(0x7f00003cefe4)={&(0x7f0000000300)={0x10, 0x36200}, 0xc, &(0x7f0000007ff0)={&(0x7f0000000180)={0xffce, 0x2e, 0x6fd, 0x0, 0x0, {0x2004}, [@nested={0xc, 0x0, [@typed={0x62, 0x9, @ipv4}]}]}, 0xffce}, 0x1, 0x0, 0x5416000000000000}, 0x0) 03:39:31 executing program 5: r0 = syz_open_dev$sndseq(&(0x7f0000dcc000)='/dev/snd/seq\x00', 0x0, 0x0) read(0xffffffffffffffff, &(0x7f0000000280)=""/28, 0x58) ioctl$SNDRV_SEQ_IOCTL_CREATE_PORT(r0, 0xc0a85320, &(0x7f0000418f50)={{0x80}, "0a4ceaa05d9a00000000000000039b3fd4cec307e8ef3d13eb790ec9c65abaf90d229db692542e5b78f8b29e0a27800f0000000000000009fb42f376589701a4", 0xa9824f69d1376637, 0x10800a}) ioctl$SNDRV_SEQ_IOCTL_REMOVE_EVENTS(r0, 0x4040534e, &(0x7f000019ffe9)={0xc1}) ioctl$SNDRV_SEQ_IOCTL_SET_PORT_INFO(r0, 0x40a85323, &(0x7f0000000080)={{0x80}, 'port1\x00'}) ioctl$SNDRV_SEQ_IOCTL_SUBSCRIBE_PORT(r0, 0x40505330, &(0x7f0000000140)) openat$sequencer2(0xffffffffffffff9c, &(0x7f0000000040)='/dev/sequencer2\x00', 0x0, 0x0) 03:39:31 executing program 6: perf_event_open(&(0x7f0000000180)={0x2, 0x70, 0x3e5}, 0x0, 0x0, 0xffffffffffffffff, 0x0) ioctl$KVM_CREATE_VM(0xffffffffffffffff, 0xae01, 0x0) pipe2$9p(&(0x7f0000000000)={0xffffffffffffffff, 0xffffffffffffffff}, 0x0) write$P9_RLERRORu(r1, &(0x7f0000000080)=ANY=[@ANYBLOB="1400000007ffff0700"], 0x9) mkdir(&(0x7f0000000440)='./file0\x00', 0x0) mount$9p_fd(0x0, &(0x7f00000005c0)='./file0\x00', &(0x7f0000000600)='9p\x00', 0x0, &(0x7f0000000640)={'trans=fd,', {'rfdno', 0x3d, r0}, 0x2c, {'wfdno', 0x3d, r1}, 0x2c, {[{@version_9p2000='version=9p2000', 0x2c}], 0x4}}) 03:39:31 executing program 5: r0 = syz_open_dev$sndseq(&(0x7f0000dcc000)='/dev/snd/seq\x00', 0x0, 0x0) read(0xffffffffffffffff, &(0x7f0000000280)=""/28, 0x58) ioctl$SNDRV_SEQ_IOCTL_CREATE_PORT(r0, 0xc0a85320, &(0x7f0000418f50)={{0x80}, "0a4ceaa05d9a00000000000000039b3fd4cec307e8ef3d13eb790ec9c65abaf90d229db692542e5b78f8b29e0a27800f0000000000000009fb42f376589701a4", 0xa9824f69d1376637, 0x10800a}) ioctl$SNDRV_SEQ_IOCTL_REMOVE_EVENTS(r0, 0x4040534e, &(0x7f000019ffe9)={0xc1}) ioctl$SNDRV_SEQ_IOCTL_SET_PORT_INFO(r0, 0x40a85323, &(0x7f0000000080)={{0x80}, 'port1\x00'}) ioctl$SNDRV_SEQ_IOCTL_SUBSCRIBE_PORT(r0, 0x40505330, &(0x7f0000000140)) openat$sequencer2(0xffffffffffffff9c, &(0x7f0000000040)='/dev/sequencer2\x00', 0x0, 0x0) [ 1472.905846] 9pnet: p9_errstr2errno: server reported unknown error  [ 1472.927161] BTRFS error (device loop2): unsupported checksum algorithm 3786 [ 1472.934367] BTRFS error (device loop2): superblock checksum mismatch 03:39:31 executing program 4: r0 = socket$nl_xfrm(0x10, 0x3, 0x6) sendmsg$nl_xfrm(r0, &(0x7f0000000400)={&(0x7f0000000040)={0x10}, 0xc, &(0x7f00000001c0)={&(0x7f0000000080)=@updpolicy={0xb8, 0x14, 0x407, 0x0, 0x0, {{@in=@loopback=0x7f000001, @in6=@ipv4={[0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x40030000000000], [0xff, 0xff], @dev={0xac, 0x14, 0x14}}, 0x0, 0x0, 0x0, 0x0, 0x2}}}, 0xb8}, 0x1}, 0x0) 03:39:31 executing program 0: perf_event_open(&(0x7f0000000180)={0x2, 0x70, 0x3e5}, 0x0, 0x0, 0xffffffffffffffff, 0x0) r0 = socket$inet_udp(0x2, 0x2, 0x0) sendto$inet(r0, &(0x7f0000000000), 0x0, 0x400c000, &(0x7f000083b000)={0x2, 0x4e20}, 0x10) r1 = syz_open_procfs(0x0, &(0x7f0000000080)='net/udp\x00') sendfile(r0, r1, &(0x7f0000000000)=0xff0f0000, 0xff) 03:39:31 executing program 7: sendmsg$IPVS_CMD_FLUSH(0xffffffffffffffff, &(0x7f0000000340)={&(0x7f0000000100)={0x10}, 0xc, &(0x7f00000002c0)={&(0x7f00000001c0)=ANY=[@ANYBLOB='P\x00\x00\x00', @ANYBLOB="00000000000000000000110000002800030014000200697064647030000000000000000000000800040000000000080001000000000014000100080009000000000008005f50e2470000"], 0x2}, 0x1}, 0x0) r0 = socket$nl_generic(0x10, 0x3, 0x10) sendmsg$nl_generic(r0, &(0x7f00003cefe4)={&(0x7f0000000300)={0x10, 0x36200}, 0xc, &(0x7f0000007ff0)={&(0x7f0000000180)={0xffce, 0x2e, 0x6fd, 0x0, 0x0, {0x2004}, [@nested={0xc, 0x0, [@typed={0x62, 0x9, @ipv4}]}]}, 0xffce}, 0x1, 0x0, 0x6000000}, 0x0) 03:39:31 executing program 6: perf_event_open(&(0x7f0000000180)={0x2, 0x70, 0x3e5}, 0x0, 0x0, 0xffffffffffffffff, 0x0) ioctl$KVM_CREATE_VM(0xffffffffffffffff, 0xae01, 0x0) pipe2$9p(&(0x7f0000000000)={0xffffffffffffffff, 0xffffffffffffffff}, 0x0) write$P9_RLERRORu(r1, &(0x7f0000000080)=ANY=[@ANYBLOB="1400000007ffff0700"], 0x9) mkdir(&(0x7f0000000440)='./file0\x00', 0x0) mount$9p_fd(0x0, &(0x7f00000005c0)='./file0\x00', &(0x7f0000000600)='9p\x00', 0x0, &(0x7f0000000640)={'trans=fd,', {'rfdno', 0x3d, r0}, 0x2c, {'wfdno', 0x3d, r1}, 0x2c, {[{@version_9p2000='version=9p2000', 0x2c}], 0x6000000000000000}}) [ 1472.956467] 9pnet: p9_errstr2errno: server reported unknown error  [ 1472.975762] BTRFS error (device loop2): open_ctree failed [ 1472.983210] BTRFS error (device loop2): unsupported checksum algorithm 3786 [ 1472.990453] BTRFS error (device loop2): superblock checksum mismatch 03:39:31 executing program 4: r0 = socket$nl_xfrm(0x10, 0x3, 0x6) sendmsg$nl_xfrm(r0, &(0x7f0000000400)={&(0x7f0000000040)={0x10}, 0xc, &(0x7f00000001c0)={&(0x7f0000000080)=@updpolicy={0xb8, 0x14, 0x407, 0x0, 0x0, {{@in=@loopback=0x7f000001, @in6=@ipv4={[0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xf0ffffff], [0xff, 0xff], @dev={0xac, 0x14, 0x14}}, 0x0, 0x0, 0x0, 0x0, 0x2}}}, 0xb8}, 0x1}, 0x0) 03:39:31 executing program 0: perf_event_open(&(0x7f0000000180)={0x2, 0x70, 0x3e5}, 0x0, 0x0, 0xffffffffffffffff, 0x0) r0 = socket$inet_udp(0x2, 0x2, 0x0) sendto$inet(r0, &(0x7f0000000000), 0x0, 0x400c000, &(0x7f000083b000)={0x2, 0x4e20}, 0x10) r1 = syz_open_procfs(0x0, &(0x7f0000000080)='net/udp\x00') sendfile(r0, r1, &(0x7f0000000000)=0x2000, 0xff) 03:39:31 executing program 5: r0 = syz_open_dev$sndseq(&(0x7f0000dcc000)='/dev/snd/seq\x00', 0x0, 0x0) read(0xffffffffffffffff, &(0x7f0000000280)=""/28, 0x58) ioctl$SNDRV_SEQ_IOCTL_CREATE_PORT(r0, 0xc0a85320, &(0x7f0000418f50)={{0x80}, "0a4ceaa05d9a00000000000000039b3fd4cec307e8ef3d13eb790ec9c65abaf90d229db692542e5b78f8b29e0a27800f0000000000000009fb42f376589701a4", 0xa9824f69d1376637, 0x10800a}) ioctl$SNDRV_SEQ_IOCTL_REMOVE_EVENTS(r0, 0x4040534e, &(0x7f000019ffe9)={0xc1}) ioctl$SNDRV_SEQ_IOCTL_SET_PORT_INFO(r0, 0x40a85323, &(0x7f0000000080)={{0x80}, 'port1\x00'}) ioctl$SNDRV_SEQ_IOCTL_SUBSCRIBE_PORT(r0, 0x40505330, &(0x7f0000000140)) openat$sequencer2(0xffffffffffffff9c, &(0x7f0000000040)='/dev/sequencer2\x00', 0x0, 0x0) [ 1473.027853] 9pnet: p9_errstr2errno: server reported unknown error  [ 1473.057514] 9pnet: p9_errstr2errno: server reported unknown error  [ 1473.066487] BTRFS error (device loop2): open_ctree failed 03:39:32 executing program 3: r0 = socket$inet(0x2, 0x4000000000000001, 0x0) setsockopt$inet_tcp_TCP_CONGESTION(r0, 0x6, 0xd, &(0x7f0000000140)='nv\x00', 0x3) sendto$inet(r0, &(0x7f0000a88f88), 0xfffffffffffffe6e, 0x20000000, &(0x7f0000e68000)={0x2, 0x0, @local={0xac, 0x14, 0x14, 0xaa}, [0x0, 0x7]}, 0x10) shutdown(r0, 0x0) 03:39:32 executing program 2: r0 = socket$inet6(0xa, 0x1000000000002, 0x0) ioctl(r0, 0x8912, &(0x7f0000000280)="025cc83d6d345f8f762070") syz_mount_image$btrfs(&(0x7f0000000080)='btrfs\x00', &(0x7f0000000100)='./file0\x00', 0x0, 0x1, &(0x7f0000000200)=[{&(0x7f0000000500)="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", 0x116, 0x10000}], 0x0, &(0x7f0000000240)) 03:39:32 executing program 7: sendmsg$IPVS_CMD_FLUSH(0xffffffffffffffff, &(0x7f0000000340)={&(0x7f0000000100)={0x10}, 0xc, &(0x7f00000002c0)={&(0x7f00000001c0)=ANY=[@ANYBLOB='P\x00\x00\x00', @ANYBLOB="00000000000000000000110000002800030014000200697064647030000000000000000000000800040000000000080001000000000014000100080009000000000008005f50e2470000"], 0x2}, 0x1}, 0x0) r0 = socket$nl_generic(0x10, 0x3, 0x10) sendmsg$nl_generic(r0, &(0x7f00003cefe4)={&(0x7f0000000300)={0x10, 0x36200}, 0xc, &(0x7f0000007ff0)={&(0x7f0000000180)={0xffce, 0x2e, 0x6fd, 0x0, 0x0, {0x2004}, [@nested={0xc, 0x0, [@typed={0x62, 0x9, @ipv4}]}]}, 0xffce}, 0x1, 0x0, 0x500}, 0x0) 03:39:32 executing program 6: perf_event_open(&(0x7f0000000180)={0x2, 0x70, 0x3e5}, 0x0, 0x0, 0xffffffffffffffff, 0x0) ioctl$KVM_CREATE_VM(0xffffffffffffffff, 0xae01, 0x0) pipe2$9p(&(0x7f0000000000)={0xffffffffffffffff, 0xffffffffffffffff}, 0x0) write$P9_RLERRORu(r1, &(0x7f0000000080)=ANY=[@ANYBLOB="1400000007ffff0700"], 0x9) mkdir(&(0x7f0000000440)='./file0\x00', 0x0) mount$9p_fd(0x0, &(0x7f00000005c0)='./file0\x00', &(0x7f0000000600)='9p\x00', 0x0, &(0x7f0000000640)={'trans=fd,', {'rfdno', 0x3d, r0}, 0x2c, {'wfdno', 0x3d, r1}, 0x2c, {[{@version_9p2000='version=9p2000', 0x2c}], 0x6000000}}) 03:39:32 executing program 1: r0 = socket$inet6(0xa, 0x1000000000002, 0x0) ioctl(r0, 0x8912, &(0x7f0000000280)="025cc83d6d345f8f762070") syz_mount_image$btrfs(&(0x7f0000000080)='btrfs\x00', &(0x7f0000000100)='./file0\x00', 0x0, 0x1, &(0x7f0000000200)=[{&(0x7f0000000500)="8da4363a00000000ffffc0000000004d01000000000000000000000000000000ecf6f2a2299748aeb81e1b00920efd9a000001000000000001000000000000005f42485266535f4dd2f873574f257e0a01e2a6a02f5e071383fa5a669a53f2fe9eb4eb7918628af41b", 0x69, 0x10000}], 0x0, &(0x7f0000000240)) 03:39:32 executing program 5: r0 = syz_open_dev$sndseq(&(0x7f0000dcc000)='/dev/snd/seq\x00', 0x0, 0x0) read(r0, &(0x7f0000000280)=""/28, 0x58) ioctl$SNDRV_SEQ_IOCTL_CREATE_PORT(0xffffffffffffffff, 0xc0a85320, &(0x7f0000418f50)={{0x80}, "0a4ceaa05d9a00000000000000039b3fd4cec307e8ef3d13eb790ec9c65abaf90d229db692542e5b78f8b29e0a27800f0000000000000009fb42f376589701a4", 0xa9824f69d1376637, 0x10800a}) ioctl$SNDRV_SEQ_IOCTL_REMOVE_EVENTS(r0, 0x4040534e, &(0x7f000019ffe9)={0xc1}) ioctl$SNDRV_SEQ_IOCTL_SET_PORT_INFO(r0, 0x40a85323, &(0x7f0000000080)={{0x80}, 'port1\x00'}) ioctl$SNDRV_SEQ_IOCTL_SUBSCRIBE_PORT(r0, 0x40505330, &(0x7f0000000140)) openat$sequencer2(0xffffffffffffff9c, &(0x7f0000000040)='/dev/sequencer2\x00', 0x0, 0x0) 03:39:32 executing program 4: r0 = socket$nl_xfrm(0x10, 0x3, 0x6) sendmsg$nl_xfrm(r0, &(0x7f0000000400)={&(0x7f0000000040)={0x10}, 0xc, &(0x7f00000001c0)={&(0x7f0000000080)=@updpolicy={0xb8, 0x14, 0x407, 0x0, 0x0, {{@in=@loopback=0x7f000001, @in6=@ipv4={[0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1000000], [0xff, 0xff], @dev={0xac, 0x14, 0x14}}, 0x0, 0x0, 0x0, 0x0, 0x2}}}, 0xb8}, 0x1}, 0x0) 03:39:32 executing program 0: perf_event_open(&(0x7f0000000180)={0x2, 0x70, 0x3e5}, 0x0, 0x0, 0xffffffffffffffff, 0x0) r0 = socket$inet_udp(0x2, 0x2, 0x0) sendto$inet(r0, &(0x7f0000000000), 0x0, 0x400c000, &(0x7f000083b000)={0x2, 0x4e20}, 0x10) r1 = syz_open_procfs(0x0, &(0x7f0000000080)='net/udp\x00') sendfile(r0, r1, &(0x7f0000000000)=0x700, 0xff) 03:39:32 executing program 7: sendmsg$IPVS_CMD_FLUSH(0xffffffffffffffff, &(0x7f0000000340)={&(0x7f0000000100)={0x10}, 0xc, &(0x7f00000002c0)={&(0x7f00000001c0)=ANY=[@ANYBLOB='P\x00\x00\x00', @ANYBLOB="00000000000000000000110000002800030014000200697064647030000000000000000000000800040000000000080001000000000014000100080009000000000008005f50e2470000"], 0x2}, 0x1}, 0x0) r0 = socket$nl_generic(0x10, 0x3, 0x10) sendmsg$nl_generic(r0, &(0x7f00003cefe4)={&(0x7f0000000300)={0x10, 0x36200}, 0xc, &(0x7f0000007ff0)={&(0x7f0000000180)={0xffce, 0x2e, 0x6fd, 0x0, 0x0, {0x2004}, [@nested={0xc, 0x0, [@typed={0x62, 0x9, @ipv4}]}]}, 0xffce}, 0x1, 0x0, 0x74000000}, 0x0) 03:39:32 executing program 4: r0 = socket$nl_xfrm(0x10, 0x3, 0x6) sendmsg$nl_xfrm(r0, &(0x7f0000000400)={&(0x7f0000000040)={0x10}, 0xc, &(0x7f00000001c0)={&(0x7f0000000080)=@updpolicy={0xb8, 0x14, 0x407, 0x0, 0x0, {{@in=@loopback=0x7f000001, @in6=@ipv4={[0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xffffff7f], [0xff, 0xff], @dev={0xac, 0x14, 0x14}}, 0x0, 0x0, 0x0, 0x0, 0x2}}}, 0xb8}, 0x1}, 0x0) [ 1473.821815] 9pnet: p9_errstr2errno: server reported unknown error  [ 1473.847057] BTRFS error (device loop2): unsupported checksum algorithm 3786 [ 1473.854396] BTRFS error (device loop2): superblock checksum mismatch 03:39:32 executing program 0: perf_event_open(&(0x7f0000000180)={0x2, 0x70, 0x3e5}, 0x0, 0x0, 0xffffffffffffffff, 0x0) r0 = socket$inet_udp(0x2, 0x2, 0x0) sendto$inet(r0, &(0x7f0000000000), 0x0, 0x400c000, &(0x7f000083b000)={0x2, 0x4e20}, 0x10) r1 = syz_open_procfs(0x0, &(0x7f0000000080)='net/udp\x00') sendfile(r0, r1, &(0x7f0000000000)=0x3e8, 0xff) 03:39:32 executing program 7: sendmsg$IPVS_CMD_FLUSH(0xffffffffffffffff, &(0x7f0000000340)={&(0x7f0000000100)={0x10}, 0xc, &(0x7f00000002c0)={&(0x7f00000001c0)=ANY=[@ANYBLOB='P\x00\x00\x00', @ANYBLOB="00000000000000000000110000002800030014000200697064647030000000000000000000000800040000000000080001000000000014000100080009000000000008005f50e2470000"], 0x2}, 0x1}, 0x0) r0 = socket$nl_generic(0x10, 0x3, 0x10) sendmsg$nl_generic(r0, &(0x7f00003cefe4)={&(0x7f0000000300)={0x10, 0x36200}, 0xc, &(0x7f0000007ff0)={&(0x7f0000000180)={0xffce, 0x2e, 0x6fd, 0x0, 0x0, {0x2004}, [@nested={0xc, 0x0, [@typed={0x62, 0x9, @ipv4}]}]}, 0xffce}, 0x1, 0x0, 0x4800}, 0x0) 03:39:32 executing program 4: r0 = socket$nl_xfrm(0x10, 0x3, 0x6) sendmsg$nl_xfrm(r0, &(0x7f0000000400)={&(0x7f0000000040)={0x10}, 0xc, &(0x7f00000001c0)={&(0x7f0000000080)=@updpolicy={0xb8, 0x14, 0x407, 0x0, 0x0, {{@in=@loopback=0x7f000001, @in6=@ipv4={[0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xf0], [0xff, 0xff], @dev={0xac, 0x14, 0x14}}, 0x0, 0x0, 0x0, 0x0, 0x2}}}, 0xb8}, 0x1}, 0x0) [ 1473.876508] 9pnet: p9_errstr2errno: server reported unknown error  [ 1473.893301] BTRFS error (device loop2): open_ctree failed [ 1473.913429] BTRFS error (device loop2): unsupported checksum algorithm 3786 03:39:32 executing program 6: perf_event_open(&(0x7f0000000180)={0x2, 0x70, 0x3e5}, 0x0, 0x0, 0xffffffffffffffff, 0x0) ioctl$KVM_CREATE_VM(0xffffffffffffffff, 0xae01, 0x0) pipe2$9p(&(0x7f0000000000)={0xffffffffffffffff, 0xffffffffffffffff}, 0x0) write$P9_RLERRORu(r1, &(0x7f0000000080)=ANY=[@ANYBLOB="1400000007ffff0700"], 0x9) mkdir(&(0x7f0000000440)='./file0\x00', 0x0) mount$9p_fd(0x0, &(0x7f00000005c0)='./file0\x00', &(0x7f0000000600)='9p\x00', 0x0, &(0x7f0000000640)={'trans=fd,', {'rfdno', 0x3d, r0}, 0x2c, {'wfdno', 0x3d, r1}, 0x2c, {[{@version_9p2000='version=9p2000', 0x2c}], 0xfffffff6}}) [ 1473.920762] BTRFS error (device loop2): superblock checksum mismatch 03:39:32 executing program 7: sendmsg$IPVS_CMD_FLUSH(0xffffffffffffffff, &(0x7f0000000340)={&(0x7f0000000100)={0x10}, 0xc, &(0x7f00000002c0)={&(0x7f00000001c0)=ANY=[@ANYBLOB='P\x00\x00\x00', @ANYBLOB="00000000000000000000110000002800030014000200697064647030000000000000000000000800040000000000080001000000000014000100080009000000000008005f50e2470000"], 0x2}, 0x1}, 0x0) r0 = socket$nl_generic(0x10, 0x3, 0x10) sendmsg$nl_generic(r0, &(0x7f00003cefe4)={&(0x7f0000000300)={0x10, 0x36200}, 0xc, &(0x7f0000007ff0)={&(0x7f0000000180)={0xffce, 0x2e, 0x6fd, 0x0, 0x0, {0x2004}, [@nested={0xc, 0x0, [@typed={0x62, 0x9, @ipv4}]}]}, 0xffce}, 0x1, 0x0, 0x68}, 0x0) 03:39:32 executing program 0: perf_event_open(&(0x7f0000000180)={0x2, 0x70, 0x3e5}, 0x0, 0x0, 0xffffffffffffffff, 0x0) r0 = socket$inet_udp(0x2, 0x2, 0x0) sendto$inet(r0, &(0x7f0000000000), 0x0, 0x400c000, &(0x7f000083b000)={0x2, 0x4e20}, 0x10) r1 = syz_open_procfs(0x0, &(0x7f0000000080)='net/udp\x00') sendfile(r0, r1, &(0x7f0000000000)=0xffffffa1, 0xff) [ 1474.004336] BTRFS error (device loop2): open_ctree failed [ 1474.012259] 9pnet: p9_errstr2errno: server reported unknown error  [ 1474.053012] 9pnet: p9_errstr2errno: server reported unknown error  03:39:33 executing program 3: r0 = socket$inet(0x2, 0x4000000000000001, 0x0) setsockopt$inet_tcp_TCP_CONGESTION(r0, 0x6, 0xd, &(0x7f0000000140)='nv\x00', 0x3) sendto$inet(r0, &(0x7f0000a88f88), 0xfffffffffffffe6e, 0x20000000, &(0x7f0000e68000)={0x2, 0x0, @local={0xac, 0x14, 0x14, 0xaa}, [0x0, 0xff0f000000000000]}, 0x10) shutdown(r0, 0x0) 03:39:33 executing program 2: r0 = socket$inet6(0xa, 0x1000000000002, 0x0) ioctl(r0, 0x8912, &(0x7f0000000280)="025cc83d6d345f8f762070") syz_mount_image$btrfs(&(0x7f0000000080)='btrfs\x00', &(0x7f0000000100)='./file0\x00', 0x0, 0x1, &(0x7f0000000200)=[{&(0x7f0000000500)="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", 0x116, 0x10000}], 0x0, &(0x7f0000000240)) 03:39:33 executing program 4: r0 = socket$nl_xfrm(0x10, 0x3, 0x6) sendmsg$nl_xfrm(r0, &(0x7f0000000400)={&(0x7f0000000040)={0x10}, 0xc, &(0x7f00000001c0)={&(0x7f0000000080)=@updpolicy={0xb8, 0x14, 0x407, 0x0, 0x0, {{@in=@loopback=0x7f000001, @in6=@ipv4={[0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xfffffff0], [0xff, 0xff], @dev={0xac, 0x14, 0x14}}, 0x0, 0x0, 0x0, 0x0, 0x2}}}, 0xb8}, 0x1}, 0x0) 03:39:33 executing program 7: sendmsg$IPVS_CMD_FLUSH(0xffffffffffffffff, &(0x7f0000000340)={&(0x7f0000000100)={0x10}, 0xc, &(0x7f00000002c0)={&(0x7f00000001c0)=ANY=[@ANYBLOB='P\x00\x00\x00', @ANYBLOB="00000000000000000000110000002800030014000200697064647030000000000000000000000800040000000000080001000000000014000100080009000000000008005f50e2470000"], 0x2}, 0x1}, 0x0) r0 = socket$nl_generic(0x10, 0x3, 0x10) sendmsg$nl_generic(r0, &(0x7f00003cefe4)={&(0x7f0000000300)={0x10, 0x36200}, 0xc, &(0x7f0000007ff0)={&(0x7f0000000180)={0xffce, 0x2e, 0x6fd, 0x0, 0x0, {0x2004}, [@nested={0xc, 0x0, [@typed={0x62, 0x9, @ipv4}]}]}, 0xffce}, 0x1, 0x0, 0xffffffff00000000}, 0x0) 03:39:33 executing program 1: r0 = socket$inet6(0xa, 0x1000000000002, 0x0) ioctl(r0, 0x8912, &(0x7f0000000280)="025cc83d6d345f8f762070") syz_mount_image$btrfs(&(0x7f0000000080)='btrfs\x00', &(0x7f0000000100)='./file0\x00', 0x0, 0x1, &(0x7f0000000200)=[{&(0x7f0000000500)="8da4363a000000000000003f0000004d01000000000000000000000000000000ecf6f2a2299748aeb81e1b00920efd9a000001000000000001000000000000005f42485266535f4dd2f873574f257e0a01e2a6a02f5e071383fa5a669a53f2fe9eb4eb7918628af41b", 0x69, 0x10000}], 0x0, &(0x7f0000000240)) [ 1474.709141] nla_parse: 7 callbacks suppressed [ 1474.709151] netlink: 104 bytes leftover after parsing attributes in process `syz-executor4'. [ 1474.742978] BTRFS error (device loop2): unsupported checksum algorithm 3786 [ 1474.750212] BTRFS error (device loop2): superblock checksum mismatch [ 1474.762825] BTRFS error (device loop2): open_ctree failed [ 1474.770282] BTRFS error (device loop2): unsupported checksum algorithm 3786 [ 1474.777512] BTRFS error (device loop2): superblock checksum mismatch [ 1474.792686] BTRFS error (device loop2): open_ctree failed [ 1474.802945] print_req_error: I/O error, dev loop1, sector 128 03:39:33 executing program 5: r0 = syz_open_dev$sndseq(&(0x7f0000dcc000)='/dev/snd/seq\x00', 0x0, 0x0) read(r0, &(0x7f0000000280)=""/28, 0x58) ioctl$SNDRV_SEQ_IOCTL_CREATE_PORT(0xffffffffffffffff, 0xc0a85320, &(0x7f0000418f50)={{0x80}, "0a4ceaa05d9a00000000000000039b3fd4cec307e8ef3d13eb790ec9c65abaf90d229db692542e5b78f8b29e0a27800f0000000000000009fb42f376589701a4", 0xa9824f69d1376637, 0x10800a}) ioctl$SNDRV_SEQ_IOCTL_REMOVE_EVENTS(r0, 0x4040534e, &(0x7f000019ffe9)={0xc1}) ioctl$SNDRV_SEQ_IOCTL_SET_PORT_INFO(r0, 0x40a85323, &(0x7f0000000080)={{0x80}, 'port1\x00'}) ioctl$SNDRV_SEQ_IOCTL_SUBSCRIBE_PORT(r0, 0x40505330, &(0x7f0000000140)) openat$sequencer2(0xffffffffffffff9c, &(0x7f0000000040)='/dev/sequencer2\x00', 0x0, 0x0) 03:39:33 executing program 0: perf_event_open(&(0x7f0000000180)={0x2, 0x70, 0x3e5}, 0x0, 0x0, 0xffffffffffffffff, 0x0) r0 = socket$inet_udp(0x2, 0x2, 0x0) sendto$inet(r0, &(0x7f0000000000), 0x0, 0x400c000, &(0x7f000083b000)={0x2, 0x4e20}, 0x10) r1 = syz_open_procfs(0x0, &(0x7f0000000080)='net/udp\x00') sendfile(r0, r1, &(0x7f0000000000)=0x5, 0xff) 03:39:33 executing program 6: perf_event_open(&(0x7f0000000180)={0x2, 0x70, 0x3e5}, 0x0, 0x0, 0xffffffffffffffff, 0x0) ioctl$KVM_CREATE_VM(0xffffffffffffffff, 0xae01, 0x0) pipe2$9p(&(0x7f0000000000)={0xffffffffffffffff, 0xffffffffffffffff}, 0x0) write$P9_RLERRORu(r1, &(0x7f0000000080)=ANY=[@ANYBLOB="1400000007ffff0700"], 0x9) mkdir(&(0x7f0000000440)='./file0\x00', 0x0) mount$9p_fd(0x0, &(0x7f00000005c0)='./file0\x00', &(0x7f0000000600)='9p\x00', 0x0, &(0x7f0000000640)={'trans=fd,', {'rfdno', 0x3d, r0}, 0x2c, {'wfdno', 0x3d, r1}, 0x2c, {[{@version_9p2000='version=9p2000', 0x2c}], 0xffffffff00000000}}) 03:39:33 executing program 7: sendmsg$IPVS_CMD_FLUSH(0xffffffffffffffff, &(0x7f0000000340)={&(0x7f0000000100)={0x10}, 0xc, &(0x7f00000002c0)={&(0x7f00000001c0)=ANY=[@ANYBLOB='P\x00\x00\x00', @ANYBLOB="00000000000000000000110000002800030014000200697064647030000000000000000000000800040000000000080001000000000014000100080009000000000008005f50e2470000"], 0x2}, 0x1}, 0x0) r0 = socket$nl_generic(0x10, 0x3, 0x10) sendmsg$nl_generic(r0, &(0x7f00003cefe4)={&(0x7f0000000300)={0x10, 0x36200}, 0xc, &(0x7f0000007ff0)={&(0x7f0000000180)={0xffce, 0x2e, 0x6fd, 0x0, 0x0, {0x2004}, [@nested={0xc, 0x0, [@typed={0x62, 0x9, @ipv4}]}]}, 0xffce}, 0x1, 0x0, 0x2000000000000000}, 0x0) 03:39:33 executing program 4: r0 = socket$nl_xfrm(0x10, 0x3, 0x6) sendmsg$nl_xfrm(r0, &(0x7f0000000400)={&(0x7f0000000040)={0x10}, 0xc, &(0x7f00000001c0)={&(0x7f0000000080)=@updpolicy={0xb8, 0x14, 0x407, 0x0, 0x0, {{@in=@loopback=0x7f000001, @in6=@ipv4={[0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x3], [0xff, 0xff], @dev={0xac, 0x14, 0x14}}, 0x0, 0x0, 0x0, 0x0, 0x2}}}, 0xb8}, 0x1}, 0x0) [ 1474.816816] BTRFS error (device loop2): unsupported checksum algorithm 3786 [ 1474.824005] BTRFS error (device loop2): superblock checksum mismatch 03:39:33 executing program 1: r0 = socket$inet6(0xa, 0x1000000000002, 0x0) ioctl(r0, 0x8912, &(0x7f0000000280)="025cc83d6d345f8f762070") syz_mount_image$btrfs(&(0x7f0000000080)='btrfs\x00', &(0x7f0000000100)='./file0\x00', 0x0, 0x1, &(0x7f0000000200)=[{&(0x7f0000000500)="8da4363a00000000007400000000004d01000000000000000000000000000000ecf6f2a2299748aeb81e1b00920efd9a000001000000000001000000000000005f42485266535f4dd2f873574f257e0a01e2a6a02f5e071383fa5a669a53f2fe9eb4eb7918628af41b", 0x69, 0x10000}], 0x0, &(0x7f0000000240)) [ 1474.858519] netlink: 104 bytes leftover after parsing attributes in process `syz-executor4'. [ 1474.869405] 9pnet: p9_errstr2errno: server reported unknown error  [ 1474.876076] BTRFS error (device loop2): open_ctree failed 03:39:33 executing program 7: sendmsg$IPVS_CMD_FLUSH(0xffffffffffffffff, &(0x7f0000000340)={&(0x7f0000000100)={0x10}, 0xc, &(0x7f00000002c0)={&(0x7f00000001c0)=ANY=[@ANYBLOB='P\x00\x00\x00', @ANYBLOB="00000000000000000000110000002800030014000200697064647030000000000000000000000800040000000000080001000000000014000100080009000000000008005f50e2470000"], 0x2}, 0x1}, 0x0) r0 = socket$nl_generic(0x10, 0x3, 0x10) sendmsg$nl_generic(r0, &(0x7f00003cefe4)={&(0x7f0000000300)={0x10, 0x36200}, 0xc, &(0x7f0000007ff0)={&(0x7f0000000180)={0xffce, 0x2e, 0x6fd, 0x0, 0x0, {0x2004}, [@nested={0xc, 0x0, [@typed={0x62, 0x9, @ipv4}]}]}, 0xffce}, 0x1, 0x0, 0xf0ffffff00000000}, 0x0) 03:39:33 executing program 4: r0 = socket$nl_xfrm(0x10, 0x3, 0x6) sendmsg$nl_xfrm(r0, &(0x7f0000000400)={&(0x7f0000000040)={0x10}, 0xc, &(0x7f00000001c0)={&(0x7f0000000080)=@updpolicy={0xb8, 0x14, 0x407, 0x0, 0x0, {{@in=@loopback=0x7f000001, @in6=@ipv4={[0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x2000000000000000], [0xff, 0xff], @dev={0xac, 0x14, 0x14}}, 0x0, 0x0, 0x0, 0x0, 0x2}}}, 0xb8}, 0x1}, 0x0) 03:39:33 executing program 0: perf_event_open(&(0x7f0000000180)={0x2, 0x70, 0x3e5}, 0x0, 0x0, 0xffffffffffffffff, 0x0) r0 = socket$inet_udp(0x2, 0x2, 0x0) sendto$inet(r0, &(0x7f0000000000), 0x0, 0x400c000, &(0x7f000083b000)={0x2, 0x4e20}, 0x10) r1 = syz_open_procfs(0x0, &(0x7f0000000080)='net/udp\x00') sendfile(r0, r1, &(0x7f0000000000)=0x3000000, 0xff) 03:39:33 executing program 2: r0 = socket$inet6(0xa, 0x1000000000002, 0x0) ioctl(r0, 0x8912, &(0x7f0000000280)="025cc83d6d345f8f762070") syz_mount_image$btrfs(&(0x7f0000000080)='btrfs\x00', &(0x7f0000000100)='./file0\x00', 0x0, 0x1, &(0x7f0000000200)=[{&(0x7f0000000500)="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", 0x116, 0x10000}], 0x0, &(0x7f0000000240)) [ 1474.899151] BTRFS error (device loop1): superblock checksum mismatch [ 1474.918367] BTRFS error (device loop1): open_ctree failed [ 1474.926662] 9pnet: p9_errstr2errno: server reported unknown error  03:39:33 executing program 6: perf_event_open(&(0x7f0000000180)={0x2, 0x70, 0x3e5}, 0x0, 0x0, 0xffffffffffffffff, 0x0) ioctl$KVM_CREATE_VM(0xffffffffffffffff, 0xae01, 0x0) pipe2$9p(&(0x7f0000000000)={0xffffffffffffffff, 0xffffffffffffffff}, 0x0) write$P9_RLERRORu(r1, &(0x7f0000000080)=ANY=[@ANYBLOB="1400000007ffff0700"], 0x9) mkdir(&(0x7f0000000440)='./file0\x00', 0x0) mount$9p_fd(0x0, &(0x7f00000005c0)='./file0\x00', &(0x7f0000000600)='9p\x00', 0x0, &(0x7f0000000640)={'trans=fd,', {'rfdno', 0x3d, r0}, 0x2c, {'wfdno', 0x3d, r1}, 0x2c, {[{@version_9p2000='version=9p2000', 0x2c}], 0x600000000000000}}) [ 1474.963641] netlink: 104 bytes leftover after parsing attributes in process `syz-executor4'. [ 1474.995362] BTRFS error (device loop2): unsupported checksum algorithm 3786 [ 1475.002620] BTRFS error (device loop2): superblock checksum mismatch [ 1475.012847] 9pnet: p9_errstr2errno: server reported unknown error  [ 1475.032692] BTRFS error (device loop2): open_ctree failed [ 1475.046600] 9pnet: p9_errstr2errno: server reported unknown error  [ 1475.056097] BTRFS error (device loop2): unsupported checksum algorithm 3786 [ 1475.063277] BTRFS error (device loop2): superblock checksum mismatch [ 1475.071027] BTRFS error (device loop2): open_ctree failed 03:39:34 executing program 3: r0 = socket$inet(0x2, 0x4000000000000001, 0x0) setsockopt$inet_tcp_TCP_CONGESTION(r0, 0x6, 0xd, &(0x7f0000000140)='nv\x00', 0x3) sendto$inet(r0, &(0x7f0000a88f88), 0xfffffffffffffe6e, 0x20000000, &(0x7f0000e68000)={0x2, 0x0, @local={0xac, 0x14, 0x14, 0xaa}, [0x0, 0x4002000000000000]}, 0x10) shutdown(r0, 0x0) 03:39:34 executing program 4: r0 = socket$nl_xfrm(0x10, 0x3, 0x6) sendmsg$nl_xfrm(r0, &(0x7f0000000400)={&(0x7f0000000040)={0x10}, 0xc, &(0x7f00000001c0)={&(0x7f0000000080)=@updpolicy={0xb8, 0x14, 0x407, 0x0, 0x0, {{@in=@loopback=0x7f000001, @in6=@ipv4={[0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x200000000000000], [0xff, 0xff], @dev={0xac, 0x14, 0x14}}, 0x0, 0x0, 0x0, 0x0, 0x2}}}, 0xb8}, 0x1}, 0x0) 03:39:34 executing program 7: sendmsg$IPVS_CMD_FLUSH(0xffffffffffffffff, &(0x7f0000000340)={&(0x7f0000000100)={0x10}, 0xc, &(0x7f00000002c0)={&(0x7f00000001c0)=ANY=[@ANYBLOB='P\x00\x00\x00', @ANYBLOB="00000000000000000000110000002800030014000200697064647030000000000000000000000800040000000000080001000000000014000100080009000000000008005f50e2470000"], 0x2}, 0x1}, 0x0) r0 = socket$nl_generic(0x10, 0x3, 0x10) sendmsg$nl_generic(r0, &(0x7f00003cefe4)={&(0x7f0000000300)={0x10, 0x36200}, 0xc, &(0x7f0000007ff0)={&(0x7f0000000180)={0xffce, 0x2e, 0x6fd, 0x0, 0x0, {0x2004}, [@nested={0xc, 0x0, [@typed={0x62, 0x9, @ipv4}]}]}, 0xffce}, 0x1, 0x0, 0x8000000}, 0x0) 03:39:34 executing program 1: r0 = socket$inet6(0xa, 0x1000000000002, 0x0) ioctl(r0, 0x8912, &(0x7f0000000280)="025cc83d6d345f8f762070") syz_mount_image$btrfs(&(0x7f0000000080)='btrfs\x00', &(0x7f0000000100)='./file0\x00', 0x0, 0x1, &(0x7f0000000200)=[{&(0x7f0000000500)="8da4363a0000000000b400000000004d01000000000000000000000000000000ecf6f2a2299748aeb81e1b00920efd9a000001000000000001000000000000005f42485266535f4dd2f873574f257e0a01e2a6a02f5e071383fa5a669a53f2fe9eb4eb7918628af41b", 0x69, 0x10000}], 0x0, &(0x7f0000000240)) 03:39:34 executing program 0: perf_event_open(&(0x7f0000000180)={0x2, 0x70, 0x3e5}, 0x0, 0x0, 0xffffffffffffffff, 0x0) r0 = socket$inet_udp(0x2, 0x2, 0x0) sendto$inet(r0, &(0x7f0000000000), 0x0, 0x400c000, &(0x7f000083b000)={0x2, 0x4e20}, 0x10) r1 = syz_open_procfs(0x0, &(0x7f0000000080)='net/udp\x00') sendfile(r0, r1, &(0x7f0000000000)=0x7a00000000000000, 0xff) [ 1475.603097] netlink: 104 bytes leftover after parsing attributes in process `syz-executor4'. 03:39:34 executing program 5: r0 = syz_open_dev$sndseq(&(0x7f0000dcc000)='/dev/snd/seq\x00', 0x0, 0x0) read(r0, &(0x7f0000000280)=""/28, 0x58) ioctl$SNDRV_SEQ_IOCTL_CREATE_PORT(0xffffffffffffffff, 0xc0a85320, &(0x7f0000418f50)={{0x80}, "0a4ceaa05d9a00000000000000039b3fd4cec307e8ef3d13eb790ec9c65abaf90d229db692542e5b78f8b29e0a27800f0000000000000009fb42f376589701a4", 0xa9824f69d1376637, 0x10800a}) ioctl$SNDRV_SEQ_IOCTL_REMOVE_EVENTS(r0, 0x4040534e, &(0x7f000019ffe9)={0xc1}) ioctl$SNDRV_SEQ_IOCTL_SET_PORT_INFO(r0, 0x40a85323, &(0x7f0000000080)={{0x80}, 'port1\x00'}) ioctl$SNDRV_SEQ_IOCTL_SUBSCRIBE_PORT(r0, 0x40505330, &(0x7f0000000140)) openat$sequencer2(0xffffffffffffff9c, &(0x7f0000000040)='/dev/sequencer2\x00', 0x0, 0x0) 03:39:34 executing program 6: perf_event_open(&(0x7f0000000180)={0x2, 0x70, 0x3e5}, 0x0, 0x0, 0xffffffffffffffff, 0x0) ioctl$KVM_CREATE_VM(0xffffffffffffffff, 0xae01, 0x0) pipe2$9p(&(0x7f0000000000)={0xffffffffffffffff, 0xffffffffffffffff}, 0x0) write$P9_RLERRORu(r1, &(0x7f0000000080)=ANY=[@ANYBLOB="1400000007ffff0700"], 0x9) mkdir(&(0x7f0000000440)='./file0\x00', 0x0) mount$9p_fd(0x0, &(0x7f00000005c0)='./file0\x00', &(0x7f0000000600)='9p\x00', 0x0, &(0x7f0000000640)={'trans=fd,', {'rfdno', 0x3d, r0}, 0x2c, {'wfdno', 0x3d, r1}, 0x2c, {[{@version_9p2000='version=9p2000', 0x2c}], 0xffffff7f}}) 03:39:34 executing program 2: r0 = socket$inet6(0xa, 0x1000000000002, 0x0) ioctl(r0, 0x8912, &(0x7f0000000280)="025cc83d6d345f8f762070") syz_mount_image$btrfs(&(0x7f0000000080)='btrfs\x00', &(0x7f0000000100)='./file0\x00', 0x0, 0x1, &(0x7f0000000200)=[{&(0x7f0000000500)="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", 0x116, 0x10000}], 0x0, &(0x7f0000000240)) 03:39:34 executing program 7: sendmsg$IPVS_CMD_FLUSH(0xffffffffffffffff, &(0x7f0000000340)={&(0x7f0000000100)={0x10}, 0xc, &(0x7f00000002c0)={&(0x7f00000001c0)=ANY=[@ANYBLOB='P\x00\x00\x00', @ANYBLOB="00000000000000000000110000002800030014000200697064647030000000000000000000000800040000000000080001000000000014000100080009000000000008005f50e2470000"], 0x2}, 0x1}, 0x0) r0 = socket$nl_generic(0x10, 0x3, 0x10) sendmsg$nl_generic(r0, &(0x7f00003cefe4)={&(0x7f0000000300)={0x10, 0x36200}, 0xc, &(0x7f0000007ff0)={&(0x7f0000000180)={0xffce, 0x2e, 0x6fd, 0x0, 0x0, {0x2004}, [@nested={0xc, 0x0, [@typed={0x62, 0x9, @ipv4}]}]}, 0xffce}, 0x1, 0x0, 0xf0ffffff}, 0x0) 03:39:34 executing program 4: r0 = socket$nl_xfrm(0x10, 0x3, 0x6) sendmsg$nl_xfrm(r0, &(0x7f0000000400)={&(0x7f0000000040)={0x10}, 0xc, &(0x7f00000001c0)={&(0x7f0000000080)=@updpolicy={0xb8, 0x14, 0x407, 0x0, 0x0, {{@in=@loopback=0x7f000001, @in6=@ipv4={[0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x37230000], [0xff, 0xff], @dev={0xac, 0x14, 0x14}}, 0x0, 0x0, 0x0, 0x0, 0x2}}}, 0xb8}, 0x1}, 0x0) 03:39:34 executing program 0: perf_event_open(&(0x7f0000000180)={0x2, 0x70, 0x3e5}, 0x0, 0x0, 0xffffffffffffffff, 0x0) r0 = socket$inet_udp(0x2, 0x2, 0x0) sendto$inet(r0, &(0x7f0000000000), 0x0, 0x400c000, &(0x7f000083b000)={0x2, 0x4e20}, 0x10) r1 = syz_open_procfs(0x0, &(0x7f0000000080)='net/udp\x00') sendfile(r0, r1, &(0x7f0000000000)=0xf401000000000000, 0xff) 03:39:34 executing program 1: r0 = socket$inet6(0xa, 0x1000000000002, 0x0) ioctl(r0, 0x8912, &(0x7f0000000280)="025cc83d6d345f8f762070") syz_mount_image$btrfs(&(0x7f0000000080)='btrfs\x00', &(0x7f0000000100)='./file0\x00', 0x0, 0x1, &(0x7f0000000200)=[{&(0x7f0000000500)="8da4363a00000000281501000000004d01000000000000000000000000000000ecf6f2a2299748aeb81e1b00920efd9a000001000000000001000000000000005f42485266535f4dd2f873574f257e0a01e2a6a02f5e071383fa5a669a53f2fe9eb4eb7918628af41b", 0x69, 0x10000}], 0x0, &(0x7f0000000240)) [ 1475.915895] netlink: 104 bytes leftover after parsing attributes in process `syz-executor4'. [ 1475.934137] 9pnet: p9_errstr2errno: server reported unknown error  [ 1475.954534] BTRFS error (device loop2): unsupported checksum algorithm 3786 03:39:34 executing program 4: r0 = socket$nl_xfrm(0x10, 0x3, 0x6) sendmsg$nl_xfrm(r0, &(0x7f0000000400)={&(0x7f0000000040)={0x10}, 0xc, &(0x7f00000001c0)={&(0x7f0000000080)=@updpolicy={0xb8, 0x14, 0x407, 0x0, 0x0, {{@in=@loopback=0x7f000001, @in6=@ipv4={[0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xf00], [0xff, 0xff], @dev={0xac, 0x14, 0x14}}, 0x0, 0x0, 0x0, 0x0, 0x2}}}, 0xb8}, 0x1}, 0x0) 03:39:34 executing program 7: sendmsg$IPVS_CMD_FLUSH(0xffffffffffffffff, &(0x7f0000000340)={&(0x7f0000000100)={0x10}, 0xc, &(0x7f00000002c0)={&(0x7f00000001c0)=ANY=[@ANYBLOB='P\x00\x00\x00', @ANYBLOB="00000000000000000000110000002800030014000200697064647030000000000000000000000800040000000000080001000000000014000100080009000000000008005f50e2470000"], 0x2}, 0x1}, 0x0) r0 = socket$nl_generic(0x10, 0x3, 0x10) sendmsg$nl_generic(r0, &(0x7f00003cefe4)={&(0x7f0000000300)={0x10, 0x36200}, 0xc, &(0x7f0000007ff0)={&(0x7f0000000180)={0xffce, 0x2e, 0x6fd, 0x0, 0x0, {0x2004}, [@nested={0xc, 0x0, [@typed={0x62, 0x9, @ipv4}]}]}, 0xffce}, 0x1, 0x0, 0x4c00000000000000}, 0x0) 03:39:34 executing program 6: r0 = perf_event_open(&(0x7f0000000180)={0x2, 0x70, 0x3e5}, 0x0, 0x0, 0xffffffffffffffff, 0x0) r1 = openat$pfkey(0xffffffffffffff9c, &(0x7f0000000040)='/proc/self/net/pfkey\x00', 0x80102, 0x0) connect$bt_rfcomm(r0, &(0x7f00000000c0)={0x1f, {0x7, 0x4, 0x2, 0x1, 0xfffffffffffffffd, 0x9}, 0x1959}, 0xa) ioctl$KVM_CREATE_VM(r1, 0xae01, 0x0) pipe2$9p(&(0x7f0000000000)={0xffffffffffffffff, 0xffffffffffffffff}, 0x0) write$P9_RLERRORu(r3, &(0x7f0000000080)=ANY=[@ANYBLOB="1400000007ffff0700"], 0x9) mkdir(&(0x7f0000000440)='./file0\x00', 0x10) mount$9p_fd(0x0, &(0x7f00000005c0)='./file0\x00', &(0x7f0000000600)='9p\x00', 0x0, &(0x7f0000000640)={'trans=fd,', {'rfdno', 0x3d, r2}, 0x2c, {'wfdno', 0x3d, r3}, 0x2c, {[{@version_9p2000='version=9p2000', 0x2c}]}}) 03:39:34 executing program 0: perf_event_open(&(0x7f0000000180)={0x2, 0x70, 0x3e5}, 0x0, 0x0, 0xffffffffffffffff, 0x0) r0 = socket$inet_udp(0x2, 0x2, 0x0) sendto$inet(r0, &(0x7f0000000000), 0x0, 0x400c000, &(0x7f000083b000)={0x2, 0x4e20}, 0x10) r1 = syz_open_procfs(0x0, &(0x7f0000000080)='net/udp\x00') sendfile(r0, r1, &(0x7f0000000000)=0x48000000, 0xff) [ 1475.961767] BTRFS error (device loop2): superblock checksum mismatch [ 1475.981641] netlink: 104 bytes leftover after parsing attributes in process `syz-executor4'. [ 1476.012991] BTRFS error (device loop2): open_ctree failed [ 1476.033034] BTRFS error (device loop2): unsupported checksum algorithm 3786 [ 1476.038620] 9pnet: p9_errstr2errno: server reported unknown error  [ 1476.040252] BTRFS error (device loop2): superblock checksum mismatch [ 1476.084896] BTRFS error (device loop2): open_ctree failed 03:39:34 executing program 3: r0 = socket$inet(0x2, 0x4000000000000001, 0x0) setsockopt$inet_tcp_TCP_CONGESTION(r0, 0x6, 0xd, &(0x7f0000000140)='nv\x00', 0x3) sendto$inet(r0, &(0x7f0000a88f88), 0xfffffffffffffe6e, 0x20000000, &(0x7f0000e68000)={0x2, 0x0, @local={0xac, 0x14, 0x14, 0xaa}, [0x0, 0x300000000000000]}, 0x10) shutdown(r0, 0x0) 03:39:34 executing program 7: sendmsg$IPVS_CMD_FLUSH(0xffffffffffffffff, &(0x7f0000000340)={&(0x7f0000000100)={0x10}, 0xc, &(0x7f00000002c0)={&(0x7f00000001c0)=ANY=[@ANYBLOB='P\x00\x00\x00', @ANYBLOB="00000000000000000000110000002800030014000200697064647030000000000000000000000800040000000000080001000000000014000100080009000000000008005f50e2470000"], 0x2}, 0x1}, 0x0) r0 = socket$nl_generic(0x10, 0x3, 0x10) sendmsg$nl_generic(r0, &(0x7f00003cefe4)={&(0x7f0000000300)={0x10, 0x36200}, 0xc, &(0x7f0000007ff0)={&(0x7f0000000180)={0xffce, 0x2e, 0x6fd, 0x0, 0x0, {0x2004}, [@nested={0xc, 0x0, [@typed={0x62, 0x9, @ipv4}]}]}, 0xffce}, 0x1, 0x0, 0x800000000000000}, 0x0) 03:39:34 executing program 4: r0 = socket$nl_xfrm(0x10, 0x3, 0x6) sendmsg$nl_xfrm(r0, &(0x7f0000000400)={&(0x7f0000000040)={0x10}, 0xc, &(0x7f00000001c0)={&(0x7f0000000080)=@updpolicy={0xb8, 0x14, 0x407, 0x0, 0x0, {{@in=@loopback=0x7f000001, @in6=@ipv4={[0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xf], [0xff, 0xff], @dev={0xac, 0x14, 0x14}}, 0x0, 0x0, 0x0, 0x0, 0x2}}}, 0xb8}, 0x1}, 0x0) 03:39:34 executing program 2: r0 = socket$inet6(0xa, 0x1000000000002, 0x0) ioctl(r0, 0x8912, &(0x7f0000000280)="025cc83d6d345f8f762070") syz_mount_image$btrfs(&(0x7f0000000080)='btrfs\x00', &(0x7f0000000100)='./file0\x00', 0x0, 0x1, &(0x7f0000000200)=[{&(0x7f0000000500)="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", 0x116, 0x10000}], 0x0, &(0x7f0000000240)) 03:39:34 executing program 0: perf_event_open(&(0x7f0000000180)={0x2, 0x70, 0x3e5}, 0x0, 0x0, 0xffffffffffffffff, 0x0) r0 = socket$inet_udp(0x2, 0x2, 0x0) sendto$inet(r0, &(0x7f0000000000), 0x0, 0x400c000, &(0x7f000083b000)={0x2, 0x4e20}, 0x10) r1 = syz_open_procfs(0x0, &(0x7f0000000080)='net/udp\x00') sendfile(r0, r1, &(0x7f0000000000)=0x7400, 0xff) [ 1476.491135] netlink: 104 bytes leftover after parsing attributes in process `syz-executor4'. [ 1476.526317] BTRFS error (device loop2): unsupported checksum algorithm 3786 [ 1476.533520] BTRFS error (device loop2): superblock checksum mismatch [ 1476.548721] BTRFS error (device loop2): open_ctree failed [ 1476.566789] BTRFS error (device loop2): unsupported checksum algorithm 3786 [ 1476.574061] BTRFS error (device loop2): superblock checksum mismatch [ 1476.580982] BTRFS error (device loop2): open_ctree failed 03:39:35 executing program 5: r0 = syz_open_dev$sndseq(&(0x7f0000dcc000)='/dev/snd/seq\x00', 0x0, 0x0) read(r0, &(0x7f0000000280)=""/28, 0x58) ioctl$SNDRV_SEQ_IOCTL_CREATE_PORT(r0, 0xc0a85320, &(0x7f0000418f50)={{}, "0a4ceaa05d9a00000000000000039b3fd4cec307e8ef3d13eb790ec9c65abaf90d229db692542e5b78f8b29e0a27800f0000000000000009fb42f376589701a4", 0xa9824f69d1376637, 0x10800a}) ioctl$SNDRV_SEQ_IOCTL_REMOVE_EVENTS(r0, 0x4040534e, &(0x7f000019ffe9)={0xc1}) ioctl$SNDRV_SEQ_IOCTL_SET_PORT_INFO(r0, 0x40a85323, &(0x7f0000000080)={{0x80}, 'port1\x00'}) ioctl$SNDRV_SEQ_IOCTL_SUBSCRIBE_PORT(r0, 0x40505330, &(0x7f0000000140)) openat$sequencer2(0xffffffffffffff9c, &(0x7f0000000040)='/dev/sequencer2\x00', 0x0, 0x0) 03:39:35 executing program 6: perf_event_open(&(0x7f0000000180)={0x2, 0x70, 0x3e5}, 0x0, 0x0, 0xffffffffffffffff, 0x0) ioctl$KVM_CREATE_VM(0xffffffffffffffff, 0xae01, 0x0) pipe2$9p(&(0x7f0000000000)={0xffffffffffffffff, 0xffffffffffffffff}, 0x0) write$P9_RLERRORu(r1, &(0x7f0000000080)=ANY=[@ANYBLOB="1400000007ffff0700"], 0x9) mkdir(&(0x7f0000000440)='./file0\x00', 0x0) r2 = openat$qat_adf_ctl(0xffffffffffffff9c, &(0x7f0000000040)='/dev/qat_adf_ctl\x00', 0x10000, 0x0) setsockopt$IPT_SO_SET_REPLACE(r2, 0x0, 0x40, &(0x7f00000006c0)=@nat={'nat\x00', 0x1b, 0x5, 0x468, 0x1a0, 0x1a0, 0xffffffff, 0x2d0, 0x1a0, 0x3d0, 0x3d0, 0xffffffff, 0x3d0, 0x3d0, 0x5, &(0x7f00000000c0), {[{{@uncond, 0x0, 0x98, 0xd0}, @DNAT0={0x38, 'DNAT\x00', 0x0, {0x1, {0x3, @empty, @broadcast=0xffffffff, @icmp_id=0x64, @icmp_id=0x67}}}}, {{@ip={@loopback=0x7f000001, @remote={0xac, 0x14, 0x14, 0xbb}, 0xff, 0x0, 'veth1\x00', 'nr0\x00', {0xff}, {}, 0x3e, 0x2, 0x18}, 0x0, 0x98, 0xd0}, @NETMAP={0x38, 'NETMAP\x00', 0x0, {0x1, {0x8, @multicast1=0xe0000001, @broadcast=0xffffffff, @gre_key=0x9, @gre_key=0x3a0000000}}}}, {{@ip={@loopback=0x7f000001, @local={0xac, 0x14, 0x14, 0xaa}, 0xff000000, 0x0, 'bridge0\x00', 'irlan0\x00', {}, {}, 0xff, 0x1, 0x1}, 0x0, 0xf8, 0x130, 0x0, {}, [@common=@addrtype={0x30, 'addrtype\x00', 0x0, {0x980, 0x108, 0x1}}, @common=@addrtype={0x30, 'addrtype\x00', 0x0, {0x100, 0x0, 0x0, 0x1}}]}, @NETMAP={0x38, 'NETMAP\x00', 0x0, {0x1, {0x14, @broadcast=0xffffffff, @remote={0xac, 0x14, 0x14, 0xbb}, @gre_key=0x5, @gre_key=0xd346}}}}, {{@ip={@multicast1=0xe0000001, @broadcast=0xffffffff, 0xff000000, 0x0, 'bond_slave_1\x00', 'tunl0\x00', {}, {0xff}, 0xb9, 0x2, 0x4}, 0x0, 0xc8, 0x100, 0x0, {}, [@common=@ah={0x30, 'ah\x00', 0x0, {0x8034, 0x80000001}}]}, @REDIRECT={0x38, 'REDIRECT\x00', 0x0, {0x1, {0x2, @dev={0xac, 0x14, 0x14, 0x14}, @multicast2=0xe0000002, @icmp_id=0x65, @gre_key=0x2}}}}], {{[], 0x0, 0x70, 0x98}, {0x28, '\x00', 0x0, 0xfffffffffffffffe}}}}, 0x4c8) mount$9p_fd(0x0, &(0x7f00000005c0)='./file0\x00', &(0x7f0000000600)='9p\x00', 0x0, &(0x7f0000000640)={'trans=fd,', {'rfdno', 0x3d, r0}, 0x2c, {'wfdno', 0x3d, r1}, 0x2c, {[{@version_9p2000='version=9p2000', 0x2c}]}}) 03:39:35 executing program 1: r0 = socket$inet6(0xa, 0x1000000000002, 0x0) ioctl(r0, 0x8912, &(0x7f0000000280)="025cc83d6d345f8f762070") syz_mount_image$btrfs(&(0x7f0000000080)='btrfs\x00', &(0x7f0000000100)='./file0\x00', 0x0, 0x1, &(0x7f0000000200)=[{&(0x7f0000000500)="8da4363a00000000f4ffffff0000004d01000000000000000000000000000000ecf6f2a2299748aeb81e1b00920efd9a000001000000000001000000000000005f42485266535f4dd2f873574f257e0a01e2a6a02f5e071383fa5a669a53f2fe9eb4eb7918628af41b", 0x69, 0x10000}], 0x0, &(0x7f0000000240)) 03:39:35 executing program 4: r0 = socket$nl_xfrm(0x10, 0x3, 0x6) sendmsg$nl_xfrm(r0, &(0x7f0000000400)={&(0x7f0000000040)={0x10}, 0xc, &(0x7f00000001c0)={&(0x7f0000000080)=@updpolicy={0xb8, 0x14, 0x407, 0x0, 0x0, {{@in=@loopback=0x7f000001, @in6=@ipv4={[0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x2000], [0xff, 0xff], @dev={0xac, 0x14, 0x14}}, 0x0, 0x0, 0x0, 0x0, 0x2}}}, 0xb8}, 0x1}, 0x0) 03:39:35 executing program 7: sendmsg$IPVS_CMD_FLUSH(0xffffffffffffffff, &(0x7f0000000340)={&(0x7f0000000100)={0x10}, 0xc, &(0x7f00000002c0)={&(0x7f00000001c0)=ANY=[@ANYBLOB='P\x00\x00\x00', @ANYBLOB="00000000000000000000110000002800030014000200697064647030000000000000000000000800040000000000080001000000000014000100080009000000000008005f50e2470000"], 0x2}, 0x1}, 0x0) r0 = socket$nl_generic(0x10, 0x3, 0x10) sendmsg$nl_generic(r0, &(0x7f00003cefe4)={&(0x7f0000000300)={0x10, 0x36200}, 0xc, &(0x7f0000007ff0)={&(0x7f0000000180)={0xffce, 0x2e, 0x6fd, 0x0, 0x0, {0x2004}, [@nested={0xc, 0x0, [@typed={0x62, 0x9, @ipv4}]}]}, 0xffce}, 0x1, 0x0, 0x300000000000000}, 0x0) 03:39:35 executing program 0: perf_event_open(&(0x7f0000000180)={0x2, 0x70, 0x3e5}, 0x0, 0x0, 0xffffffffffffffff, 0x0) r0 = socket$inet_udp(0x2, 0x2, 0x0) sendto$inet(r0, &(0x7f0000000000), 0x0, 0x400c000, &(0x7f000083b000)={0x2, 0x4e20}, 0x10) r1 = syz_open_procfs(0x0, &(0x7f0000000080)='net/udp\x00') sendfile(r0, r1, &(0x7f0000000000)=0xf401, 0xff) 03:39:35 executing program 2: r0 = socket$inet6(0xa, 0x1000000000002, 0x0) ioctl(r0, 0x8912, &(0x7f0000000280)="025cc83d6d345f8f762070") syz_mount_image$btrfs(&(0x7f0000000080)='btrfs\x00', &(0x7f0000000100)='./file0\x00', 0x0, 0x1, &(0x7f0000000200)=[{&(0x7f0000000500)="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", 0x116, 0x10000}], 0x0, &(0x7f0000000240)) 03:39:35 executing program 7: sendmsg$IPVS_CMD_FLUSH(0xffffffffffffffff, &(0x7f0000000340)={&(0x7f0000000100)={0x10}, 0xc, &(0x7f00000002c0)={&(0x7f00000001c0)=ANY=[@ANYBLOB='P\x00\x00\x00', @ANYBLOB="00000000000000000000110000002800030014000200697064647030000000000000000000000800040000000000080001000000000014000100080009000000000008005f50e2470000"], 0x2}, 0x1}, 0x0) r0 = socket$nl_generic(0x10, 0x3, 0x10) sendmsg$nl_generic(r0, &(0x7f00003cefe4)={&(0x7f0000000300)={0x10, 0x36200}, 0xc, &(0x7f0000007ff0)={&(0x7f0000000180)={0xffce, 0x2e, 0x6fd, 0x0, 0x0, {0x2004}, [@nested={0xc, 0x0, [@typed={0x62, 0x9, @ipv4}]}]}, 0xffce}, 0x1, 0x0, 0xffffff7f00000000}, 0x0) [ 1477.011063] netlink: 104 bytes leftover after parsing attributes in process `syz-executor4'. [ 1477.042312] 9pnet: p9_errstr2errno: server reported unknown error  03:39:35 executing program 4: r0 = socket$nl_xfrm(0x10, 0x3, 0x6) sendmsg$nl_xfrm(r0, &(0x7f0000000400)={&(0x7f0000000040)={0x10}, 0xc, &(0x7f00000001c0)={&(0x7f0000000080)=@updpolicy={0xb8, 0x14, 0x407, 0x0, 0x0, {{@in=@loopback=0x7f000001, @in6=@ipv4={[0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x100000000000000], [0xff, 0xff], @dev={0xac, 0x14, 0x14}}, 0x0, 0x0, 0x0, 0x0, 0x2}}}, 0xb8}, 0x1}, 0x0) 03:39:35 executing program 7: sendmsg$IPVS_CMD_FLUSH(0xffffffffffffffff, &(0x7f0000000340)={&(0x7f0000000100)={0x10}, 0xc, &(0x7f00000002c0)={&(0x7f00000001c0)=ANY=[@ANYBLOB='P\x00\x00\x00', @ANYBLOB="00000000000000000000110000002800030014000200697064647030000000000000000000000800040000000000080001000000000014000100080009000000000008005f50e2470000"], 0x2}, 0x1}, 0x0) r0 = socket$nl_generic(0x10, 0x3, 0x10) sendmsg$nl_generic(r0, &(0x7f00003cefe4)={&(0x7f0000000300)={0x10, 0x36200}, 0xc, &(0x7f0000007ff0)={&(0x7f0000000180)={0xffce, 0x2e, 0x6fd, 0x0, 0x0, {0x2004}, [@nested={0xc, 0x0, [@typed={0x62, 0x9, @ipv4}]}]}, 0xffce}, 0x1, 0x0, 0x74}, 0x0) [ 1477.055629] BTRFS error (device loop2): unsupported checksum algorithm 3786 [ 1477.062843] BTRFS error (device loop2): superblock checksum mismatch [ 1477.077082] BTRFS error (device loop2): open_ctree failed [ 1477.093159] 9pnet: p9_errstr2errno: server reported unknown error  [ 1477.096650] BTRFS error (device loop2): unsupported checksum algorithm 3786 03:39:35 executing program 0: perf_event_open(&(0x7f0000000180)={0x2, 0x70, 0x3e5}, 0x0, 0x0, 0xffffffffffffffff, 0x0) r0 = socket$inet_udp(0x2, 0x2, 0x0) sendto$inet(r0, &(0x7f0000000000), 0x0, 0x400c000, &(0x7f000083b000)={0x2, 0x4e20}, 0x10) r1 = syz_open_procfs(0x0, &(0x7f0000000080)='net/udp\x00') sendfile(r0, r1, &(0x7f0000000000)=0xe00, 0xff) [ 1477.106876] BTRFS error (device loop2): superblock checksum mismatch [ 1477.119626] netlink: 104 bytes leftover after parsing attributes in process `syz-executor4'. [ 1477.139270] BTRFS error (device loop2): open_ctree failed 03:39:35 executing program 3: r0 = socket$inet(0x2, 0x4000000000000001, 0x0) setsockopt$inet_tcp_TCP_CONGESTION(r0, 0x6, 0xd, &(0x7f0000000140)='nv\x00', 0x3) sendto$inet(r0, &(0x7f0000a88f88), 0xfffffffffffffe6e, 0x20000000, &(0x7f0000e68000)={0x2, 0x0, @local={0xac, 0x14, 0x14, 0xaa}, [0x0, 0x2]}, 0x10) shutdown(r0, 0x0) 03:39:35 executing program 7: sendmsg$IPVS_CMD_FLUSH(0xffffffffffffffff, &(0x7f0000000340)={&(0x7f0000000100)={0x10}, 0xc, &(0x7f00000002c0)={&(0x7f00000001c0)=ANY=[@ANYBLOB='P\x00\x00\x00', @ANYBLOB="00000000000000000000110000002800030014000200697064647030000000000000000000000800040000000000080001000000000014000100080009000000000008005f50e2470000"], 0x2}, 0x1}, 0x0) r0 = socket$nl_generic(0x10, 0x3, 0x10) sendmsg$nl_generic(r0, &(0x7f00003cefe4)={&(0x7f0000000300)={0x10, 0x36200}, 0xc, &(0x7f0000007ff0)={&(0x7f0000000180)={0xffce, 0x2e, 0x6fd, 0x0, 0x0, {0x2004}, [@nested={0xc, 0x0, [@typed={0x62, 0x9, @ipv4}]}]}, 0xffce}, 0x1, 0x0, 0xb}, 0x0) 03:39:35 executing program 6: perf_event_open(&(0x7f0000000180)={0x2, 0x70, 0x3e5}, 0x0, 0x0, 0xffffffffffffffff, 0x0) pipe2$9p(&(0x7f0000000000)={0xffffffffffffffff, 0xffffffffffffffff}, 0x0) write$P9_RLERRORu(r1, &(0x7f0000000080)=ANY=[@ANYBLOB="1400000007ffff0700"], 0x9) ioctl$TCSETAF(r1, 0x5408, &(0x7f0000000040)={0x101, 0x8000, 0x4, 0xffffffff, 0x10001, 0x3ff, 0x0, 0x0, 0xbea0, 0x3}) mkdir(&(0x7f0000000440)='./file0\x00', 0x0) mount$9p_fd(0x0, &(0x7f00000005c0)='./file0\x00', &(0x7f0000000600)='9p\x00', 0x0, &(0x7f0000000640)={'trans=fd,', {'rfdno', 0x3d, r0}, 0x2c, {'wfdno', 0x3d, r1}, 0x2c, {[{@version_9p2000='version=9p2000', 0x2c}]}}) 03:39:35 executing program 2: r0 = socket$inet6(0xa, 0x1000000000002, 0x0) ioctl(r0, 0x8912, &(0x7f0000000280)="025cc83d6d345f8f762070") syz_mount_image$btrfs(&(0x7f0000000080)='btrfs\x00', &(0x7f0000000100)='./file0\x00', 0x0, 0x1, &(0x7f0000000200)=[{&(0x7f0000000500)="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", 0x116, 0x10000}], 0x0, &(0x7f0000000240)) 03:39:35 executing program 4: r0 = socket$nl_xfrm(0x10, 0x3, 0x6) sendmsg$nl_xfrm(r0, &(0x7f0000000400)={&(0x7f0000000040)={0x10}, 0xc, &(0x7f00000001c0)={&(0x7f0000000080)=@updpolicy={0xb8, 0x14, 0x407, 0x0, 0x0, {{@in=@loopback=0x7f000001, @in6=@ipv4={[0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x300000000000000], [0xff, 0xff], @dev={0xac, 0x14, 0x14}}, 0x0, 0x0, 0x0, 0x0, 0x2}}}, 0xb8}, 0x1}, 0x0) [ 1477.396416] netlink: 104 bytes leftover after parsing attributes in process `syz-executor4'. [ 1477.409972] 9pnet: p9_errstr2errno: server reported unknown error  [ 1477.423267] BTRFS error (device loop2): unsupported checksum algorithm 3786 [ 1477.430472] BTRFS error (device loop2): superblock checksum mismatch [ 1477.447065] BTRFS error (device loop2): open_ctree failed [ 1477.480747] BTRFS error (device loop2): unsupported checksum algorithm 3786 [ 1477.487978] BTRFS error (device loop2): superblock checksum mismatch [ 1477.495182] BTRFS error (device loop2): open_ctree failed 03:39:36 executing program 5: r0 = syz_open_dev$sndseq(&(0x7f0000dcc000)='/dev/snd/seq\x00', 0x0, 0x0) read(r0, &(0x7f0000000280)=""/28, 0x58) ioctl$SNDRV_SEQ_IOCTL_CREATE_PORT(r0, 0xc0a85320, &(0x7f0000418f50)={{}, "0a4ceaa05d9a00000000000000039b3fd4cec307e8ef3d13eb790ec9c65abaf90d229db692542e5b78f8b29e0a27800f0000000000000009fb42f376589701a4", 0xa9824f69d1376637, 0x10800a}) ioctl$SNDRV_SEQ_IOCTL_REMOVE_EVENTS(r0, 0x4040534e, &(0x7f000019ffe9)={0xc1}) ioctl$SNDRV_SEQ_IOCTL_SET_PORT_INFO(r0, 0x40a85323, &(0x7f0000000080)={{0x80}, 'port1\x00'}) ioctl$SNDRV_SEQ_IOCTL_SUBSCRIBE_PORT(r0, 0x40505330, &(0x7f0000000140)) openat$sequencer2(0xffffffffffffff9c, &(0x7f0000000040)='/dev/sequencer2\x00', 0x0, 0x0) 03:39:36 executing program 1: r0 = socket$inet6(0xa, 0x1000000000002, 0x0) ioctl(r0, 0x8912, &(0x7f0000000280)="025cc83d6d345f8f762070") syz_mount_image$btrfs(&(0x7f0000000080)='btrfs\x00', &(0x7f0000000100)='./file0\x00', 0x0, 0x1, &(0x7f0000000200)=[{&(0x7f0000000500)="8da4363a00000000000010000000004d01000000000000000000000000000000ecf6f2a2299748aeb81e1b00920efd9a000001000000000001000000000000005f42485266535f4dd2f873574f257e0a01e2a6a02f5e071383fa5a669a53f2fe9eb4eb7918628af41b", 0x69, 0x10000}], 0x0, &(0x7f0000000240)) 03:39:36 executing program 0: perf_event_open(&(0x7f0000000180)={0x2, 0x70, 0x3e5}, 0x0, 0x0, 0xffffffffffffffff, 0x0) r0 = socket$inet_udp(0x2, 0x2, 0x0) sendto$inet(r0, &(0x7f0000000000), 0x0, 0x400c000, &(0x7f000083b000)={0x2, 0x4e20}, 0x10) r1 = syz_open_procfs(0x0, &(0x7f0000000080)='net/udp\x00') sendfile(r0, r1, &(0x7f0000000000)=0x48, 0xff) 03:39:36 executing program 7: sendmsg$IPVS_CMD_FLUSH(0xffffffffffffffff, &(0x7f0000000340)={&(0x7f0000000100)={0x10}, 0xc, &(0x7f00000002c0)={&(0x7f00000001c0)=ANY=[@ANYBLOB='P\x00\x00\x00', @ANYBLOB="00000000000000000000110000002800030014000200697064647030000000000000000000000800040000000000080001000000000014000100080009000000000008005f50e2470000"], 0x2}, 0x1}, 0x0) r0 = socket$nl_generic(0x10, 0x3, 0x10) sendmsg$nl_generic(r0, &(0x7f00003cefe4)={&(0x7f0000000300)={0x10, 0x36200}, 0xc, &(0x7f0000007ff0)={&(0x7f0000000180)={0xffce, 0x2e, 0x6fd, 0x0, 0x0, {0x2004}, [@nested={0xc, 0x0, [@typed={0x62, 0x9, @ipv4}]}]}, 0xffce}, 0x1, 0x0, 0xfffff000}, 0x0) 03:39:36 executing program 4: r0 = socket$nl_xfrm(0x10, 0x3, 0x6) sendmsg$nl_xfrm(r0, &(0x7f0000000400)={&(0x7f0000000040)={0x10}, 0xc, &(0x7f00000001c0)={&(0x7f0000000080)=@updpolicy={0xb8, 0x14, 0x407, 0x0, 0x0, {{@in=@loopback=0x7f000001, @in6=@ipv4={[0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x9effffff], [0xff, 0xff], @dev={0xac, 0x14, 0x14}}, 0x0, 0x0, 0x0, 0x0, 0x2}}}, 0xb8}, 0x1}, 0x0) 03:39:36 executing program 6: r0 = perf_event_open(&(0x7f0000000180)={0x2, 0x70, 0x3e5}, 0x0, 0x0, 0xffffffffffffffff, 0x0) ioctl$KVM_CREATE_VM(0xffffffffffffffff, 0xae01, 0x0) pipe2$9p(&(0x7f0000000000)={0xffffffffffffffff, 0xffffffffffffffff}, 0x0) write$P9_RLERRORu(r2, &(0x7f0000000080)=ANY=[@ANYBLOB="1400000007ffff0700"], 0x9) mkdir(&(0x7f0000000440)='./file0\x00', 0x0) r3 = openat$dsp(0xffffffffffffff9c, &(0x7f00000004c0)='/dev/dsp\x00', 0x2, 0x0) ioctl$sock_SIOCGIFINDEX(0xffffffffffffff9c, 0x8933, &(0x7f0000000ac0)={'bridge0\x00', 0x0}) ioctl$sock_SIOCGIFCONF(r3, 0x8910, &(0x7f0000000b40)=@req={0x28, &(0x7f0000000b00)={'teql0\x00', @ifru_addrs=@can={0x1d, r4}}}) mount$9p_fd(0x0, &(0x7f00000005c0)='./file0\x00', &(0x7f0000000600)='9p\x00', 0x0, &(0x7f0000000640)={'trans=fd,', {'rfdno', 0x3d, r1}, 0x2c, {'wfdno', 0x3d, r2}, 0x2c, {[{@version_9p2000='version=9p2000', 0x2c}]}}) getsockopt$inet_IP_XFRM_POLICY(0xffffffffffffffff, 0x0, 0x11, &(0x7f0000000200)={{{@in6=@dev, @in6=@ipv4={[], [], @broadcast}, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0}}, {{@in6=@dev}, 0x0, @in6=@loopback}}, &(0x7f0000000100)=0xe8) mount$9p_fd(0x0, &(0x7f0000000040)='./file0\x00', &(0x7f00000000c0)='9p\x00', 0x10, &(0x7f0000000300)={'trans=fd,', {'rfdno', 0x3d, r1}, 0x2c, {'wfdno', 0x3d, r0}, 0x2c, {[{@uname={'uname', 0x3d, 'wfdno'}, 0x2c}, {@msize={'msize', 0x3d, 0x3}, 0x2c}, {@debug={'debug', 0x3d, 0x9}, 0x2c}, {@nodevmap='nodevmap', 0x2c}, {@version_L='version=9p2000.L', 0x2c}, {@access_client='access=client', 0x2c}, {@version_u='version=9p2000.u', 0x2c}, {@dfltuid={'dfltuid', 0x3d, r5}, 0x2c}]}}) r6 = syz_open_dev$sndpcmp(&(0x7f0000000140)='/dev/snd/pcmC#D#p\x00', 0x3, 0x101002) getpeername$inet6(r6, &(0x7f0000000400)={0x0, 0x0, 0x0, @local}, &(0x7f0000000480)=0x1c) 03:39:36 executing program 2: r0 = socket$inet6(0xa, 0x1000000000002, 0x0) ioctl(r0, 0x8912, &(0x7f0000000280)="025cc83d6d345f8f762070") syz_mount_image$btrfs(&(0x7f0000000080)='btrfs\x00', &(0x7f0000000100)='./file0\x00', 0x0, 0x1, &(0x7f0000000200)=[{&(0x7f0000000500)="8da4363a000000000000c6080100004d01000000000000000000000000000000ecf6f2a2299748aeb81e1b00920efd9a000001000000000001000000000000005f42485266535f4dd2f873574f257e0a01e2a6a02f5e071383fa5a669a53f2fe9eb4eb7918628af41b035fd98372e7c2a6970f550441f0b263dca46c12ce6aaa994fbb4b3493ca901878bb330d2db8e953fc883f9c754f419e963874199295a945ec867b4f224fde52268a81e1154b80f7076f32b6eb8614c672ecdecd385a1a7b8cac7cca0eb0cdbf1c5ee539c37d1f23b763ce55672b8e492664e624e0efe078f2e3aa38061af373a3d160cfbe9b6318577fabec9baa14a9377d7ffef2b72f36353de7db160717b00a6f6055d08594df3bff1ac4f0", 0x116, 0x10000}], 0x0, &(0x7f0000000240)) 03:39:36 executing program 4: r0 = socket$nl_xfrm(0x10, 0x3, 0x6) sendmsg$nl_xfrm(r0, &(0x7f0000000400)={&(0x7f0000000040)={0x10}, 0xc, &(0x7f00000001c0)={&(0x7f0000000080)=@updpolicy={0xb8, 0x14, 0x407, 0x0, 0x0, {{@in=@loopback=0x7f000001, @in6=@ipv4={[0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xf0ffff], [0xff, 0xff], @dev={0xac, 0x14, 0x14}}, 0x0, 0x0, 0x0, 0x0, 0x2}}}, 0xb8}, 0x1}, 0x0) 03:39:36 executing program 0: perf_event_open(&(0x7f0000000180)={0x2, 0x70, 0x3e5}, 0x0, 0x0, 0xffffffffffffffff, 0x0) r0 = socket$inet_udp(0x2, 0x2, 0x0) sendto$inet(r0, &(0x7f0000000000), 0x0, 0x400c000, &(0x7f000083b000)={0x2, 0x4e20}, 0x10) r1 = syz_open_procfs(0x0, &(0x7f0000000080)='net/udp\x00') sendfile(r0, r1, &(0x7f0000000000)=0xc0ffffff00000000, 0xff) 03:39:36 executing program 7: sendmsg$IPVS_CMD_FLUSH(0xffffffffffffffff, &(0x7f0000000340)={&(0x7f0000000100)={0x10}, 0xc, &(0x7f00000002c0)={&(0x7f00000001c0)=ANY=[@ANYBLOB='P\x00\x00\x00', @ANYBLOB="00000000000000000000110000002800030014000200697064647030000000000000000000000800040000000000080001000000000014000100080009000000000008005f50e2470000"], 0x2}, 0x1}, 0x0) r0 = socket$nl_generic(0x10, 0x3, 0x10) sendmsg$nl_generic(r0, &(0x7f00003cefe4)={&(0x7f0000000300)={0x10, 0x36200}, 0xc, &(0x7f0000007ff0)={&(0x7f0000000180)={0xffce, 0x2e, 0x6fd, 0x0, 0x0, {0x2004}, [@nested={0xc, 0x0, [@typed={0x62, 0x9, @ipv4}]}]}, 0xffce}, 0x1, 0x0, 0xf000000}, 0x0) [ 1478.130187] 9pnet: p9_errstr2errno: server reported unknown error  [ 1478.153390] BTRFS error (device loop2): unsupported checksum algorithm 3786 [ 1478.160629] BTRFS error (device loop2): superblock checksum mismatch 03:39:36 executing program 4: r0 = socket$nl_xfrm(0x10, 0x3, 0x6) sendmsg$nl_xfrm(r0, &(0x7f0000000400)={&(0x7f0000000040)={0x10}, 0xc, &(0x7f00000001c0)={&(0x7f0000000080)=@updpolicy={0xb8, 0x14, 0x407, 0x0, 0x0, {{@in=@loopback=0x7f000001, @in6=@ipv4={[0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x3723], [0xff, 0xff], @dev={0xac, 0x14, 0x14}}, 0x0, 0x0, 0x0, 0x0, 0x2}}}, 0xb8}, 0x1}, 0x0) [ 1478.198769] 9pnet: p9_errstr2errno: server reported unknown error  [ 1478.208356] BTRFS error (device loop2): open_ctree failed [ 1478.230994] BTRFS error (device loop2): unsupported checksum algorithm 3786 [ 1478.238212] BTRFS error (device loop2): superblock checksum mismatch 03:39:36 executing program 3: r0 = socket$inet(0x2, 0x4000000000000001, 0x0) setsockopt$inet_tcp_TCP_CONGESTION(r0, 0x6, 0xd, &(0x7f0000000140)='nv\x00', 0x3) sendto$inet(r0, &(0x7f0000a88f88), 0xfffffffffffffe6e, 0x20000000, &(0x7f0000e68000)={0x2, 0x0, @local={0xac, 0x14, 0x14, 0xaa}, [0x0, 0xd1f0264e]}, 0x10) shutdown(r0, 0x0) 03:39:36 executing program 4: r0 = socket$nl_xfrm(0x10, 0x3, 0x6) sendmsg$nl_xfrm(r0, &(0x7f0000000400)={&(0x7f0000000040)={0x10}, 0xc, &(0x7f00000001c0)={&(0x7f0000000080)=@updpolicy={0xb8, 0x14, 0x407, 0x0, 0x0, {{@in=@loopback=0x7f000001, @in6=@ipv4={[0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x400300], [0xff, 0xff], @dev={0xac, 0x14, 0x14}}, 0x0, 0x0, 0x0, 0x0, 0x2}}}, 0xb8}, 0x1}, 0x0) 03:39:36 executing program 6: r0 = openat$sequencer(0xffffffffffffff9c, &(0x7f0000000b00)='/dev/sequencer\x00', 0x400000, 0x0) getsockopt$bt_BT_FLUSHABLE(r0, 0x112, 0x8, &(0x7f0000000b40)=0x8, &(0x7f0000000b80)=0x4) perf_event_open(&(0x7f0000000180)={0x2, 0x70, 0x3e5}, 0x0, 0x0, 0xffffffffffffffff, 0x0) r1 = openat$vcs(0xffffffffffffff9c, &(0x7f0000000040)='/dev/vcs\x00', 0x80000, 0x0) ioctl$KVM_CREATE_VM(r1, 0xae01, 0x0) pipe2$9p(&(0x7f0000000000)={0xffffffffffffffff, 0xffffffffffffffff}, 0x0) write$P9_RLERRORu(r3, &(0x7f0000000080)=ANY=[@ANYBLOB="1400000007ffff0700"], 0x9) mkdir(&(0x7f0000000440)='./file0\x00', 0x0) mount$9p_fd(0x0, &(0x7f00000005c0)='./file0\x00', &(0x7f0000000600)='9p\x00', 0x0, &(0x7f0000000640)=ANY=[@ANYBLOB="7472efc8a40766740c7266642e6e3d", @ANYRESHEX=r2, @ANYBLOB=',wfdno=', @ANYRESHEX=r3, @ANYBLOB=',version=9p2000,\x00']) 03:39:36 executing program 7: sendmsg$IPVS_CMD_FLUSH(0xffffffffffffffff, &(0x7f0000000340)={&(0x7f0000000100)={0x10}, 0xc, &(0x7f00000002c0)={&(0x7f00000001c0)=ANY=[@ANYBLOB='P\x00\x00\x00', @ANYBLOB="00000000000000000000110000002800030014000200697064647030000000000000000000000800040000000000080001000000000014000100080009000000000008005f50e2470000"], 0x2}, 0x1}, 0x0) r0 = socket$nl_generic(0x10, 0x3, 0x10) sendmsg$nl_generic(r0, &(0x7f00003cefe4)={&(0x7f0000000300)={0x10, 0x36200}, 0xc, &(0x7f0000007ff0)={&(0x7f0000000180)={0xffce, 0x2e, 0x6fd, 0x0, 0x0, {0x2004}, [@nested={0xc, 0x0, [@typed={0x62, 0x9, @ipv4}]}]}, 0xffce}, 0x1, 0x0, 0x54160000}, 0x0) 03:39:36 executing program 0: perf_event_open(&(0x7f0000000180)={0x2, 0x70, 0x3e5}, 0x0, 0x0, 0xffffffffffffffff, 0x0) r0 = socket$inet_udp(0x2, 0x2, 0x0) sendto$inet(r0, &(0x7f0000000000), 0x0, 0x400c000, &(0x7f000083b000)={0x2, 0x4e20}, 0x10) r1 = syz_open_procfs(0x0, &(0x7f0000000080)='net/udp\x00') sendfile(r0, r1, &(0x7f0000000000)=0x4c00, 0xff) [ 1478.283970] BTRFS error (device loop2): open_ctree failed [ 1478.316476] 9pnet_virtio: no channels available for device (null) [ 1478.361463] 9pnet_virtio: no channels available for device (null) 03:39:37 executing program 5: r0 = syz_open_dev$sndseq(&(0x7f0000dcc000)='/dev/snd/seq\x00', 0x0, 0x0) read(r0, &(0x7f0000000280)=""/28, 0x58) ioctl$SNDRV_SEQ_IOCTL_CREATE_PORT(r0, 0xc0a85320, &(0x7f0000418f50)={{}, "0a4ceaa05d9a00000000000000039b3fd4cec307e8ef3d13eb790ec9c65abaf90d229db692542e5b78f8b29e0a27800f0000000000000009fb42f376589701a4", 0xa9824f69d1376637, 0x10800a}) ioctl$SNDRV_SEQ_IOCTL_REMOVE_EVENTS(r0, 0x4040534e, &(0x7f000019ffe9)={0xc1}) ioctl$SNDRV_SEQ_IOCTL_SET_PORT_INFO(r0, 0x40a85323, &(0x7f0000000080)={{0x80}, 'port1\x00'}) ioctl$SNDRV_SEQ_IOCTL_SUBSCRIBE_PORT(r0, 0x40505330, &(0x7f0000000140)) openat$sequencer2(0xffffffffffffff9c, &(0x7f0000000040)='/dev/sequencer2\x00', 0x0, 0x0) 03:39:37 executing program 2: r0 = socket$inet6(0xa, 0x1000000000002, 0x0) ioctl(r0, 0x8912, &(0x7f0000000280)="025cc83d6d345f8f762070") syz_mount_image$btrfs(&(0x7f0000000080)='btrfs\x00', &(0x7f0000000100)='./file0\x00', 0x0, 0x1, &(0x7f0000000200)=[{&(0x7f0000000500)="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", 0x116, 0x10000}], 0x0, &(0x7f0000000240)) 03:39:37 executing program 7: sendmsg$IPVS_CMD_FLUSH(0xffffffffffffffff, &(0x7f0000000340)={&(0x7f0000000100)={0x10}, 0xc, &(0x7f00000002c0)={&(0x7f00000001c0)=ANY=[@ANYBLOB='P\x00\x00\x00', @ANYBLOB="00000000000000000000110000002800030014000200697064647030000000000000000000000800040000000000080001000000000014000100080009000000000008005f50e2470000"], 0x2}, 0x1}, 0x0) r0 = socket$nl_generic(0x10, 0x3, 0x10) sendmsg$nl_generic(r0, &(0x7f00003cefe4)={&(0x7f0000000300)={0x10, 0x36200}, 0xc, &(0x7f0000007ff0)={&(0x7f0000000180)={0xffce, 0x2e, 0x6fd, 0x0, 0x0, {0x2004}, [@nested={0xc, 0x0, [@typed={0x62, 0x9, @ipv4}]}]}, 0xffce}, 0x1, 0x0, 0x6000}, 0x0) 03:39:37 executing program 1: r0 = socket$inet6(0xa, 0x1000000000002, 0x0) ioctl(r0, 0x8912, &(0x7f0000000280)="025cc83d6d345f8f762070") syz_mount_image$btrfs(&(0x7f0000000080)='btrfs\x00', &(0x7f0000000100)='./file0\x00', 0x0, 0x1, &(0x7f0000000200)=[{&(0x7f0000000500)="8da4363a000000000001151e0000004d01000000000000000000000000000000ecf6f2a2299748aeb81e1b00920efd9a000001000000000001000000000000005f42485266535f4dd2f873574f257e0a01e2a6a02f5e071383fa5a669a53f2fe9eb4eb7918628af41b", 0x69, 0x10000}], 0x0, &(0x7f0000000240)) 03:39:37 executing program 4: r0 = socket$nl_xfrm(0x10, 0x3, 0x6) sendmsg$nl_xfrm(r0, &(0x7f0000000400)={&(0x7f0000000040)={0x10}, 0xc, &(0x7f00000001c0)={&(0x7f0000000080)=@updpolicy={0xb8, 0x14, 0x407, 0x0, 0x0, {{@in=@loopback=0x7f000001, @in6=@ipv4={[0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xf000000], [0xff, 0xff], @dev={0xac, 0x14, 0x14}}, 0x0, 0x0, 0x0, 0x0, 0x2}}}, 0xb8}, 0x1}, 0x0) 03:39:37 executing program 0: perf_event_open(&(0x7f0000000180)={0x2, 0x70, 0x3e5}, 0x0, 0x0, 0xffffffffffffffff, 0x0) r0 = socket$inet_udp(0x2, 0x2, 0x0) sendto$inet(r0, &(0x7f0000000000), 0x0, 0x400c000, &(0x7f000083b000)={0x2, 0x4e20}, 0x10) r1 = syz_open_procfs(0x0, &(0x7f0000000080)='net/udp\x00') sendfile(r0, r1, &(0x7f0000000000), 0xffff8801893e60ff) 03:39:37 executing program 6: r0 = perf_event_open(&(0x7f0000000180)={0x2, 0x70, 0x3e5}, 0x0, 0x0, 0xffffffffffffffff, 0x0) ioctl$KVM_CREATE_VM(0xffffffffffffffff, 0xae01, 0x0) pipe2$9p(&(0x7f0000000000)={0xffffffffffffffff, 0xffffffffffffffff}, 0x0) ioctl$KVM_GET_VCPU_MMAP_SIZE(r0, 0xae04) write$P9_RLERRORu(r2, &(0x7f0000000080)=ANY=[@ANYBLOB="1400000007ffff0700"], 0x9) mkdir(&(0x7f0000000440)='./file0\x00', 0x0) mount$9p_fd(0x0, &(0x7f00000005c0)='./file0\x00', &(0x7f0000000600)='9p\x00', 0x0, &(0x7f0000000640)={'trans=fd,', {'rfdno', 0x3d, r1}, 0x2c, {'wfdno', 0x3d, r2}, 0x2c, {[{@version_9p2000='version=9p2000', 0x2c}]}}) 03:39:37 executing program 3: r0 = socket$inet(0x2, 0x4000000000000001, 0x0) setsockopt$inet_tcp_TCP_CONGESTION(r0, 0x6, 0xd, &(0x7f0000000140)='nv\x00', 0x3) sendto$inet(r0, &(0x7f0000a88f88), 0xfffffffffffffe6e, 0x20000000, &(0x7f0000e68000)={0x2, 0x0, @local={0xac, 0x14, 0x14, 0xaa}, [0x0, 0x1802000000000000]}, 0x10) shutdown(r0, 0x0) 03:39:37 executing program 4: r0 = socket$nl_xfrm(0x10, 0x3, 0x6) sendmsg$nl_xfrm(r0, &(0x7f0000000400)={&(0x7f0000000040)={0x10}, 0xc, &(0x7f00000001c0)={&(0x7f0000000080)=@updpolicy={0xb8, 0x14, 0x407, 0x0, 0x0, {{@in=@loopback=0x7f000001, @in6=@ipv4={[0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xfffffffffffff000], [0xff, 0xff], @dev={0xac, 0x14, 0x14}}, 0x0, 0x0, 0x0, 0x0, 0x2}}}, 0xb8}, 0x1}, 0x0) [ 1479.222603] 9pnet: p9_errstr2errno: server reported unknown error  [ 1479.245548] print_req_error: I/O error, dev loop1, sector 128 [ 1479.255384] BTRFS error (device loop2): unsupported checksum algorithm 3786 [ 1479.262601] BTRFS error (device loop2): superblock checksum mismatch 03:39:37 executing program 0: perf_event_open(&(0x7f0000000180)={0x2, 0x70, 0x3e5}, 0x0, 0x0, 0xffffffffffffffff, 0x0) r0 = socket$inet_udp(0x2, 0x2, 0x0) sendto$inet(r0, &(0x7f0000000000), 0x0, 0x400c000, &(0x7f000083b000)={0x2, 0x4e20}, 0x10) r1 = syz_open_procfs(0x0, &(0x7f0000000080)='net/udp\x00') sendfile(r0, r1, &(0x7f0000000000), 0x11b) 03:39:37 executing program 7: sendmsg$IPVS_CMD_FLUSH(0xffffffffffffffff, &(0x7f0000000340)={&(0x7f0000000100)={0x10}, 0xc, &(0x7f00000002c0)={&(0x7f00000001c0)=ANY=[@ANYBLOB='P\x00\x00\x00', @ANYBLOB="00000000000000000000110000002800030014000200697064647030000000000000000000000800040000000000080001000000000014000100080009000000000008005f50e2470000"], 0x2}, 0x1}, 0x0) r0 = socket$nl_generic(0x10, 0x3, 0x10) sendmsg$nl_generic(r0, &(0x7f00003cefe4)={&(0x7f0000000300)={0x10, 0x36200}, 0xc, &(0x7f0000007ff0)={&(0x7f0000000180)={0xffce, 0x2e, 0x6fd, 0x0, 0x0, {0x2004}, [@nested={0xc, 0x0, [@typed={0x62, 0x9, @ipv4}]}]}, 0xffce}, 0x1, 0x0, 0x3}, 0x0) [ 1479.272244] BTRFS error (device loop2): open_ctree failed [ 1479.284714] BTRFS error (device loop1): superblock checksum mismatch [ 1479.297866] 9pnet: p9_errstr2errno: server reported unknown error  03:39:37 executing program 2: r0 = socket$inet6(0xa, 0x1000000000002, 0x0) ioctl(r0, 0x8912, &(0x7f0000000280)="025cc83d6d345f8f762070") syz_mount_image$btrfs(&(0x7f0000000080)='btrfs\x00', &(0x7f0000000100)='./file0\x00', 0x0, 0x1, &(0x7f0000000200)=[{&(0x7f0000000500)="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", 0x116, 0x10000}], 0x0, &(0x7f0000000240)) 03:39:37 executing program 0: perf_event_open(&(0x7f0000000180)={0x2, 0x70, 0x3e5}, 0x0, 0x0, 0xffffffffffffffff, 0x0) r0 = socket$inet_udp(0x2, 0x2, 0x0) sendto$inet(r0, &(0x7f0000000000), 0x0, 0x400c000, &(0x7f000083b000)={0x2, 0x4e20}, 0x10) r1 = syz_open_procfs(0x0, &(0x7f0000000080)='net/udp\x00') sendfile(r0, r1, &(0x7f0000000000), 0x7ffff000) 03:39:37 executing program 4: r0 = socket$nl_xfrm(0x10, 0x3, 0x6) sendmsg$nl_xfrm(r0, &(0x7f0000000400)={&(0x7f0000000040)={0x10}, 0xc, &(0x7f00000001c0)={&(0x7f0000000080)=@updpolicy={0xb8, 0x14, 0x407, 0x0, 0x0, {{@in=@loopback=0x7f000001, @in6=@ipv4={[0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x3723000000000000], [0xff, 0xff], @dev={0xac, 0x14, 0x14}}, 0x0, 0x0, 0x0, 0x0, 0x2}}}, 0xb8}, 0x1}, 0x0) 03:39:37 executing program 6: perf_event_open(&(0x7f0000000180)={0x2, 0x70, 0x3e5}, 0x0, 0x0, 0xffffffffffffffff, 0x0) ioctl$KVM_CREATE_VM(0xffffffffffffffff, 0xae01, 0x0) r0 = openat$audio(0xffffffffffffff9c, &(0x7f0000000040)='/dev/audio\x00', 0xa8000, 0x0) ioctl$KVM_GET_MSRS(r0, 0xc008ae88, &(0x7f00000000c0)={0x1, 0x0, [{}]}) pipe2$9p(&(0x7f0000000000)={0xffffffffffffffff, 0xffffffffffffffff}, 0x0) write$P9_RLERRORu(r2, &(0x7f0000000080)=ANY=[@ANYBLOB="1400000007ffff0700"], 0x9) mkdir(&(0x7f0000000440)='./file0\x00', 0x0) mount$9p_fd(0x0, &(0x7f00000005c0)='./file0\x00', &(0x7f0000000600)='9p\x00', 0x0, &(0x7f0000000640)={'trans=fd,', {'rfdno', 0x3d, r1}, 0x2c, {'wfdno', 0x3d, r2}, 0x2c, {[{@version_9p2000='version=9p2000', 0x2c}]}}) 03:39:37 executing program 1: r0 = socket$inet6(0xa, 0x1000000000002, 0x0) ioctl(r0, 0x8912, &(0x7f0000000280)="025cc83d6d345f8f762070") syz_mount_image$btrfs(&(0x7f0000000080)='btrfs\x00', &(0x7f0000000100)='./file0\x00', 0x0, 0x1, &(0x7f0000000200)=[{&(0x7f0000000500)="8da4363a0000000003d800000000004d01000000000000000000000000000000ecf6f2a2299748aeb81e1b00920efd9a000001000000000001000000000000005f42485266535f4dd2f873574f257e0a01e2a6a02f5e071383fa5a669a53f2fe9eb4eb7918628af41b", 0x69, 0x10000}], 0x0, &(0x7f0000000240)) [ 1479.333599] BTRFS error (device loop1): open_ctree failed [ 1479.397520] BTRFS error (device loop2): unsupported checksum algorithm 3786 [ 1479.403351] 9pnet: p9_errstr2errno: server reported unknown error  [ 1479.404716] BTRFS error (device loop2): superblock checksum mismatch [ 1479.420214] BTRFS error (device loop2): open_ctree failed [ 1479.437676] 9pnet: p9_errstr2errno: server reported unknown error  [ 1479.446456] BTRFS error (device loop1): superblock checksum mismatch [ 1479.468173] BTRFS error (device loop1): open_ctree failed 03:39:38 executing program 5: r0 = syz_open_dev$sndseq(&(0x7f0000dcc000)='/dev/snd/seq\x00', 0x0, 0x0) read(r0, &(0x7f0000000280)=""/28, 0x58) ioctl$SNDRV_SEQ_IOCTL_CREATE_PORT(r0, 0xc0a85320, &(0x7f0000418f50)={{0x80}, "0a4ceaa05d9a00000000000000039b3fd4cec307e8ef3d13eb790ec9c65abaf90d229db692542e5b78f8b29e0a27800f0000000000000009fb42f376589701a4", 0x0, 0x10800a}) ioctl$SNDRV_SEQ_IOCTL_REMOVE_EVENTS(r0, 0x4040534e, &(0x7f000019ffe9)={0xc1}) ioctl$SNDRV_SEQ_IOCTL_SET_PORT_INFO(r0, 0x40a85323, &(0x7f0000000080)={{0x80}, 'port1\x00'}) ioctl$SNDRV_SEQ_IOCTL_SUBSCRIBE_PORT(r0, 0x40505330, &(0x7f0000000140)) openat$sequencer2(0xffffffffffffff9c, &(0x7f0000000040)='/dev/sequencer2\x00', 0x0, 0x0) 03:39:38 executing program 7: sendmsg$IPVS_CMD_FLUSH(0xffffffffffffffff, &(0x7f0000000340)={&(0x7f0000000100)={0x10}, 0xc, &(0x7f00000002c0)={&(0x7f00000001c0)=ANY=[@ANYBLOB='P\x00\x00\x00', @ANYBLOB="00000000000000000000110000002800030014000200697064647030000000000000000000000800040000000000080001000000000014000100080009000000000008005f50e2470000"], 0x2}, 0x1}, 0x0) r0 = socket$nl_generic(0x10, 0x3, 0x10) sendmsg$nl_generic(r0, &(0x7f00003cefe4)={&(0x7f0000000300)={0x10, 0x36200}, 0xc, &(0x7f0000007ff0)={&(0x7f0000000180)={0xffce, 0x2e, 0x6fd, 0x0, 0x0, {0x2004}, [@nested={0xc, 0x0, [@typed={0x62, 0x9, @ipv4}]}]}, 0xffce}, 0x1, 0x0, 0x1000000000000000}, 0x0) 03:39:38 executing program 4: r0 = socket$nl_xfrm(0x10, 0x3, 0x6) sendmsg$nl_xfrm(r0, &(0x7f0000000400)={&(0x7f0000000040)={0x10}, 0xc, &(0x7f00000001c0)={&(0x7f0000000080)=@updpolicy={0xb8, 0x14, 0x407, 0x0, 0x0, {{@in=@loopback=0x7f000001, @in6=@ipv4={[0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x9effffff00000000], [0xff, 0xff], @dev={0xac, 0x14, 0x14}}, 0x0, 0x0, 0x0, 0x0, 0x2}}}, 0xb8}, 0x1}, 0x0) 03:39:38 executing program 0: perf_event_open(&(0x7f0000000180)={0x2, 0x70, 0x3e5}, 0x0, 0x0, 0xffffffffffffffff, 0x0) r0 = socket$inet_udp(0x2, 0x2, 0x0) sendto$inet(r0, &(0x7f0000000000), 0x0, 0x400c000, &(0x7f000083b000)={0x2, 0x4e20}, 0x10) r1 = syz_open_procfs(0x0, &(0x7f0000000080)='net/udp\x00') sendfile(r0, r1, &(0x7f0000000000), 0xffe3) 03:39:38 executing program 2: r0 = socket$inet6(0xa, 0x1000000000002, 0x0) ioctl(r0, 0x8912, &(0x7f0000000280)="025cc83d6d345f8f762070") syz_mount_image$btrfs(&(0x7f0000000080)='btrfs\x00', &(0x7f0000000100)='./file0\x00', 0x0, 0x1, &(0x7f0000000200)=[{&(0x7f0000000500)="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", 0x116, 0x10000}], 0x0, &(0x7f0000000240)) 03:39:38 executing program 6: ioctl$KVM_CREATE_VM(0xffffffffffffffff, 0xae01, 0x0) pipe2$9p(&(0x7f0000000000)={0xffffffffffffffff, 0xffffffffffffffff}, 0x0) write$P9_RLERRORu(r1, &(0x7f0000000080)=ANY=[@ANYBLOB="1400000007ffff0700"], 0x9) mkdir(&(0x7f0000000440)='./file0\x00', 0x0) mount$9p_fd(0x0, &(0x7f00000005c0)='./file0\x00', &(0x7f0000000600)='9p\x00', 0x0, &(0x7f0000000640)={'trans=fd,', {'rfdno', 0x3d, r0}, 0x2c, {'wfdno', 0x3d, r1}, 0x2c, {[{@version_9p2000='version=9p2000', 0x2c}]}}) 03:39:38 executing program 1: r0 = socket$inet6(0xa, 0x1000000000002, 0x0) ioctl(r0, 0x8912, &(0x7f0000000280)="025cc83d6d345f8f762070") syz_mount_image$btrfs(&(0x7f0000000080)='btrfs\x00', &(0x7f0000000100)='./file0\x00', 0x0, 0x1, &(0x7f0000000200)=[{&(0x7f0000000500)="8da4363a00000000fe0300000000004d01000000000000000000000000000000ecf6f2a2299748aeb81e1b00920efd9a000001000000000001000000000000005f42485266535f4dd2f873574f257e0a01e2a6a02f5e071383fa5a669a53f2fe9eb4eb7918628af41b", 0x69, 0x10000}], 0x0, &(0x7f0000000240)) 03:39:38 executing program 3: r0 = socket$inet(0x2, 0x4000000000000001, 0x0) setsockopt$inet_tcp_TCP_CONGESTION(r0, 0x6, 0xd, &(0x7f0000000140)='nv\x00', 0x3) sendto$inet(r0, &(0x7f0000a88f88), 0xfffffffffffffe6e, 0x20000000, &(0x7f0000e68000)={0x2, 0x0, @local={0xac, 0x14, 0x14, 0xaa}, [0x0, 0x100000000000000]}, 0x10) shutdown(r0, 0x0) [ 1480.279974] nla_parse: 8 callbacks suppressed [ 1480.279984] netlink: 104 bytes leftover after parsing attributes in process `syz-executor4'. [ 1480.289505] 9pnet: p9_errstr2errno: server reported unknown error  [ 1480.309364] BTRFS error (device loop1): superblock checksum mismatch [ 1480.320225] BTRFS error (device loop1): open_ctree failed 03:39:38 executing program 7: sendmsg$IPVS_CMD_FLUSH(0xffffffffffffffff, &(0x7f0000000340)={&(0x7f0000000100)={0x10}, 0xc, &(0x7f00000002c0)={&(0x7f00000001c0)=ANY=[@ANYBLOB='P\x00\x00\x00', @ANYBLOB="00000000000000000000110000002800030014000200697064647030000000000000000000000800040000000000080001000000000014000100080009000000000008005f50e2470000"], 0x2}, 0x1}, 0x0) r0 = socket$nl_generic(0x10, 0x3, 0x10) sendmsg$nl_generic(r0, &(0x7f00003cefe4)={&(0x7f0000000300)={0x10, 0x36200}, 0xc, &(0x7f0000007ff0)={&(0x7f0000000180)={0xffce, 0x2e, 0x6fd, 0x0, 0x0, {0x2004}, [@nested={0xc, 0x0, [@typed={0x62, 0x9, @ipv4}]}]}, 0xffce}, 0x1, 0x0, 0x6c00000000000000}, 0x0) 03:39:38 executing program 0: r0 = perf_event_open(&(0x7f0000000180)={0x2, 0x70, 0x3e5}, 0x0, 0x0, 0xffffffffffffffff, 0x0) r1 = socket$inet_udp(0x2, 0x2, 0x0) sendto$inet(r1, &(0x7f0000000000), 0x0, 0x400c000, &(0x7f000083b000)={0x2, 0x4e20}, 0x10) r2 = syz_open_procfs(0x0, &(0x7f0000000080)='net/udp\x00') poll(&(0x7f0000000040)=[{r1, 0x110}, {r0, 0x8041}], 0x2, 0x493) sendfile(r1, r2, &(0x7f0000000000), 0xff) ioctl$SNDRV_SEQ_IOCTL_GET_QUEUE_INFO(r2, 0xc08c5334, &(0x7f00000000c0)={0x1f91, 0x40, 0x1d, 'queue1\x00', 0x5}) 03:39:38 executing program 4: r0 = socket$nl_xfrm(0x10, 0x3, 0x6) sendmsg$nl_xfrm(r0, &(0x7f0000000400)={&(0x7f0000000040)={0x10}, 0xc, &(0x7f00000001c0)={&(0x7f0000000080)=@updpolicy={0xb8, 0x14, 0x407, 0x0, 0x0, {{@in=@loopback=0x7f000001, @in6=@ipv4={[0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xf0ffffff00000000], [0xff, 0xff], @dev={0xac, 0x14, 0x14}}, 0x0, 0x0, 0x0, 0x0, 0x2}}}, 0xb8}, 0x1}, 0x0) [ 1480.331054] BTRFS error (device loop1): superblock checksum mismatch [ 1480.349245] BTRFS error (device loop1): open_ctree failed 03:39:38 executing program 6: r0 = semget(0x0, 0x5, 0x290) semctl$SETALL(r0, 0x0, 0x11, &(0x7f0000000040)=[0x100000000]) perf_event_open(&(0x7f0000000180)={0x2, 0x70, 0x3e5}, 0x0, 0x0, 0xffffffffffffffff, 0x0) ioctl$KVM_CREATE_VM(0xffffffffffffffff, 0xae01, 0x0) pipe2$9p(&(0x7f0000000000)={0xffffffffffffffff, 0xffffffffffffffff}, 0x0) write$P9_RLERRORu(r2, &(0x7f0000000080)=ANY=[@ANYBLOB="1400000007ffff0700"], 0x9) mkdir(&(0x7f0000000440)='./file0\x00', 0x0) mount$9p_fd(0x0, &(0x7f00000005c0)='./file0\x00', &(0x7f0000000600)='9p\x00', 0x0, &(0x7f0000000640)={'trans=fd,', {'rfdno', 0x3d, r1}, 0x2c, {'wfdno', 0x3d, r2}, 0x2c, {[{@version_9p2000='version=9p2000', 0x2c}]}}) 03:39:38 executing program 7: sendmsg$IPVS_CMD_FLUSH(0xffffffffffffffff, &(0x7f0000000340)={&(0x7f0000000100)={0x10}, 0xc, &(0x7f00000002c0)={&(0x7f00000001c0)=ANY=[@ANYBLOB='P\x00\x00\x00', @ANYBLOB="00000000000000000000110000002800030014000200697064647030000000000000000000000800040000000000080001000000000014000100080009000000000008005f50e2470000"], 0x2}, 0x1}, 0x0) r0 = socket$nl_generic(0x10, 0x3, 0x10) sendmsg$nl_generic(r0, &(0x7f00003cefe4)={&(0x7f0000000300)={0x10, 0x36200}, 0xc, &(0x7f0000007ff0)={&(0x7f0000000180)={0xffce, 0x2e, 0x6fd, 0x0, 0x0, {0x2004}, [@nested={0xc, 0x0, [@typed={0x62, 0x9, @ipv4}]}]}, 0xffce}, 0x1, 0x0, 0x3000000}, 0x0) 03:39:38 executing program 2: r0 = socket$inet6(0xa, 0x1000000000002, 0x0) ioctl(r0, 0x8912, &(0x7f0000000280)="025cc83d6d345f8f762070") syz_mount_image$btrfs(&(0x7f0000000080)='btrfs\x00', &(0x7f0000000100)='./file0\x00', 0x0, 0x1, &(0x7f0000000200)=[{&(0x7f0000000500)="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", 0x116, 0x10000}], 0x0, &(0x7f0000000240)) [ 1480.375917] BTRFS error (device loop1): superblock checksum mismatch [ 1480.395511] BTRFS error (device loop1): open_ctree failed [ 1480.396410] netlink: 104 bytes leftover after parsing attributes in process `syz-executor4'. 03:39:38 executing program 0: perf_event_open(&(0x7f0000000180)={0x2, 0x70, 0x7, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x8000000000000000}, 0x0, 0x0, 0xffffffffffffffff, 0x0) r0 = socket$inet_udp(0x2, 0x2, 0x0) sendto$inet(r0, &(0x7f0000000000), 0x0, 0x400c000, &(0x7f000083b000)={0x2, 0x4e20}, 0x10) r1 = syz_open_procfs(0x0, &(0x7f0000000080)='net/udp\x00') sendfile(r0, r1, &(0x7f0000000000), 0xff) 03:39:38 executing program 1: r0 = socket$inet6(0xa, 0x1000000000002, 0x0) ioctl(r0, 0x8912, &(0x7f0000000280)="025cc83d6d345f8f762070") syz_mount_image$btrfs(&(0x7f0000000080)='btrfs\x00', &(0x7f0000000100)='./file0\x00', 0x0, 0x1, &(0x7f0000000200)=[{&(0x7f0000000500)="8da4363a00000000060000000000004d01000000000000000000000000000000ecf6f2a2299748aeb81e1b00920efd9a000001000000000001000000000000005f42485266535f4dd2f873574f257e0a01e2a6a02f5e071383fa5a669a53f2fe9eb4eb7918628af41b", 0x69, 0x10000}], 0x0, &(0x7f0000000240)) [ 1480.429261] 9pnet: p9_errstr2errno: server reported unknown error  [ 1480.474702] 9pnet: p9_errstr2errno: server reported unknown error  [ 1480.487807] BTRFS error (device loop2): unsupported checksum algorithm 3786 [ 1480.495006] BTRFS error (device loop2): superblock checksum mismatch [ 1480.529236] BTRFS error (device loop2): open_ctree failed [ 1480.540835] BTRFS error (device loop2): unsupported checksum algorithm 3786 [ 1480.547995] BTRFS error (device loop2): superblock checksum mismatch [ 1480.561615] BTRFS error (device loop2): open_ctree failed [ 1480.570487] BTRFS error (device loop1): superblock checksum mismatch [ 1480.579538] BTRFS error (device loop1): open_ctree failed 03:39:39 executing program 5: r0 = syz_open_dev$sndseq(&(0x7f0000dcc000)='/dev/snd/seq\x00', 0x0, 0x0) read(r0, &(0x7f0000000280)=""/28, 0x58) ioctl$SNDRV_SEQ_IOCTL_CREATE_PORT(r0, 0xc0a85320, &(0x7f0000418f50)={{0x80}, "0a4ceaa05d9a00000000000000039b3fd4cec307e8ef3d13eb790ec9c65abaf90d229db692542e5b78f8b29e0a27800f0000000000000009fb42f376589701a4", 0x0, 0x10800a}) ioctl$SNDRV_SEQ_IOCTL_REMOVE_EVENTS(r0, 0x4040534e, &(0x7f000019ffe9)={0xc1}) ioctl$SNDRV_SEQ_IOCTL_SET_PORT_INFO(r0, 0x40a85323, &(0x7f0000000080)={{0x80}, 'port1\x00'}) ioctl$SNDRV_SEQ_IOCTL_SUBSCRIBE_PORT(r0, 0x40505330, &(0x7f0000000140)) openat$sequencer2(0xffffffffffffff9c, &(0x7f0000000040)='/dev/sequencer2\x00', 0x0, 0x0) 03:39:39 executing program 4: r0 = socket$nl_xfrm(0x10, 0x3, 0x6) sendmsg$nl_xfrm(r0, &(0x7f0000000400)={&(0x7f0000000040)={0x10}, 0xc, &(0x7f00000001c0)={&(0x7f0000000080)=@updpolicy={0xb8, 0x14, 0x407, 0x0, 0x0, {{@in=@loopback=0x7f000001, @in6=@ipv4={[0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xfffff000], [0xff, 0xff], @dev={0xac, 0x14, 0x14}}, 0x0, 0x0, 0x0, 0x0, 0x2}}}, 0xb8}, 0x1}, 0x0) 03:39:39 executing program 7: sendmsg$IPVS_CMD_FLUSH(0xffffffffffffffff, &(0x7f0000000340)={&(0x7f0000000100)={0x10}, 0xc, &(0x7f00000002c0)={&(0x7f00000001c0)=ANY=[@ANYBLOB='P\x00\x00\x00', @ANYBLOB="00000000000000000000110000002800030014000200697064647030000000000000000000000800040000000000080001000000000014000100080009000000000008005f50e2470000"], 0x2}, 0x1}, 0x0) r0 = socket$nl_generic(0x10, 0x3, 0x10) sendmsg$nl_generic(r0, &(0x7f00003cefe4)={&(0x7f0000000300)={0x10, 0x36200}, 0xc, &(0x7f0000007ff0)={&(0x7f0000000180)={0xffce, 0x2e, 0x6fd, 0x0, 0x0, {0x2004}, [@nested={0xc, 0x0, [@typed={0x62, 0x9, @ipv4}]}]}, 0xffce}, 0x1, 0x0, 0x2}, 0x0) 03:39:39 executing program 0: r0 = perf_event_open(&(0x7f0000000180)={0x2, 0x70, 0x3e5}, 0x0, 0x0, 0xffffffffffffffff, 0x0) r1 = socket$inet_udp(0x2, 0x2, 0x0) r2 = openat$cuse(0xffffffffffffff9c, &(0x7f0000000040)='/dev/cuse\x00', 0x2000, 0x0) setsockopt$inet_tcp_TLS_TX(r2, 0x6, 0x1, &(0x7f0000000240)={0x303, 0x33}, 0x4) sendto$inet(r1, &(0x7f00000000c0)="b904ac01f50ea675295238c3167063866aa267e868dedada61d970bc314e6177d7a0aaf7fe5c95470fe46156fbaa064ece62c133fff47c26a732fde1ee6f4b06eec43545525d0fc900fe57830df75b663ad54a8528df22b86769700e8b9eed479e86e2e18434cd97cb05107cfa841660a0708d87eee6bd974c826c0bf96505a5b0b5b9aee8a1a5ee3c2d74bf1f7c23122a86c219b7af5abfc49c3035c20fc4b27c68", 0xffffffffffffff48, 0x400c000, &(0x7f000083b000)={0x2, 0x4e20}, 0x10) syz_open_procfs(0x0, &(0x7f0000000080)='net/udp\x00') sendfile(r1, r0, &(0x7f0000000200), 0x100fd) r3 = semget$private(0x0, 0x2, 0x10) semctl$IPC_RMID(r3, 0x0, 0x0) 03:39:39 executing program 6: perf_event_open(&(0x7f0000000180)={0x2, 0x70, 0x3e5}, 0x0, 0x0, 0xffffffffffffffff, 0x0) ioctl$KVM_CREATE_VM(0xffffffffffffffff, 0xae01, 0x0) pipe2$9p(&(0x7f0000000000)={0xffffffffffffffff, 0xffffffffffffffff}, 0x0) write$P9_RLERRORu(r1, &(0x7f0000000080)=ANY=[@ANYBLOB="1400000007ffff0700"], 0x9) mkdir(&(0x7f0000000440)='./file0\x00', 0x0) mount$9p_fd(0x0, &(0x7f00000005c0)='./file0\x00', &(0x7f0000000600)='9p\x00', 0x0, &(0x7f0000000640)=ANY=[@ANYBLOB='trans=fd,rfdno=', @ANYRESHEX=r0, @ANYBLOB=',wfdno=', @ANYRESHEX=r1, @ANYBLOB="94a7"]) 03:39:39 executing program 1: r0 = socket$inet6(0xa, 0x1000000000002, 0x0) ioctl(r0, 0x8912, &(0x7f0000000280)="025cc83d6d345f8f762070") syz_mount_image$btrfs(&(0x7f0000000080)='btrfs\x00', &(0x7f0000000100)='./file0\x00', 0x0, 0x1, &(0x7f0000000200)=[{&(0x7f0000000500)="8da4363a00000000201501000000004d01000000000000000000000000000000ecf6f2a2299748aeb81e1b00920efd9a000001000000000001000000000000005f42485266535f4dd2f873574f257e0a01e2a6a02f5e071383fa5a669a53f2fe9eb4eb7918628af41b", 0x69, 0x10000}], 0x0, &(0x7f0000000240)) 03:39:39 executing program 2: r0 = socket$inet6(0xa, 0x1000000000002, 0x0) ioctl(r0, 0x8912, &(0x7f0000000280)="025cc83d6d345f8f762070") syz_mount_image$btrfs(&(0x7f0000000080)='btrfs\x00', &(0x7f0000000100)='./file0\x00', 0x0, 0x1, &(0x7f0000000200)=[{&(0x7f0000000500)="8da4363a00000000000000011000004d01000000000000000000000000000000ecf6f2a2299748aeb81e1b00920efd9a000001000000000001000000000000005f42485266535f4dd2f873574f257e0a01e2a6a02f5e071383fa5a669a53f2fe9eb4eb7918628af41b035fd98372e7c2a6970f550441f0b263dca46c12ce6aaa994fbb4b3493ca901878bb330d2db8e953fc883f9c754f419e963874199295a945ec867b4f224fde52268a81e1154b80f7076f32b6eb8614c672ecdecd385a1a7b8cac7cca0eb0cdbf1c5ee539c37d1f23b763ce55672b8e492664e624e0efe078f2e3aa38061af373a3d160cfbe9b6318577fabec9baa14a9377d7ffef2b72f36353de7db160717b00a6f6055d08594df3bff1ac4f0", 0x116, 0x10000}], 0x0, &(0x7f0000000240)) 03:39:39 executing program 3: r0 = socket$inet(0x2, 0x4000000000000001, 0x0) setsockopt$inet_tcp_TCP_CONGESTION(r0, 0x6, 0xd, &(0x7f0000000140)='nv\x00', 0x3) sendto$inet(r0, &(0x7f0000a88f88), 0xfffffffffffffe6e, 0x20000000, &(0x7f0000e68000)={0x2, 0x0, @local={0xac, 0x14, 0x14, 0xaa}, [0x0, 0x18020000]}, 0x10) shutdown(r0, 0x0) [ 1481.333158] netlink: 104 bytes leftover after parsing attributes in process `syz-executor4'. [ 1481.348653] 9pnet: Insufficient options for proto=fd [ 1481.360535] BTRFS error (device loop1): superblock checksum mismatch 03:39:39 executing program 7: sendmsg$IPVS_CMD_FLUSH(0xffffffffffffffff, &(0x7f0000000340)={&(0x7f0000000100)={0x10}, 0xc, &(0x7f00000002c0)={&(0x7f00000001c0)=ANY=[@ANYBLOB='P\x00\x00\x00', @ANYBLOB="00000000000000000000110000002800030014000200697064647030000000000000000000000800040000000000080001000000000014000100080009000000000008005f50e2470000"], 0x2}, 0x1}, 0x0) r0 = socket$nl_generic(0x10, 0x3, 0x10) sendmsg$nl_generic(r0, &(0x7f00003cefe4)={&(0x7f0000000300)={0x10, 0x36200}, 0xc, &(0x7f0000007ff0)={&(0x7f0000000180)={0xffce, 0x2e, 0x6fd, 0x0, 0x0, {0x2004}, [@nested={0xc, 0x0, [@typed={0x62, 0x9, @ipv4}]}]}, 0xffce}, 0x1, 0x0, 0x5}, 0x0) 03:39:39 executing program 0: perf_event_open(&(0x7f0000000180)={0x2, 0x70, 0x3e5}, 0x0, 0x0, 0xffffffffffffffff, 0x0) r0 = socket$inet_udp(0x2, 0x2, 0x0) sendto$inet(r0, &(0x7f0000000000), 0x0, 0x400c000, &(0x7f000083b000)={0x2, 0x4e20}, 0x10) syz_open_procfs(0x0, &(0x7f0000000080)='net/udp\x00') sendfile(r0, r0, &(0x7f0000000000), 0xff) 03:39:39 executing program 4: r0 = socket$nl_xfrm(0x10, 0x3, 0x6) sendmsg$nl_xfrm(r0, &(0x7f0000000400)={&(0x7f0000000040)={0x10}, 0xc, &(0x7f00000001c0)={&(0x7f0000000080)=@updpolicy={0xb8, 0x14, 0x407, 0x0, 0x0, {{@in=@loopback=0x7f000001, @in6=@ipv4={[0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xf00000000000000], [0xff, 0xff], @dev={0xac, 0x14, 0x14}}, 0x0, 0x0, 0x0, 0x0, 0x2}}}, 0xb8}, 0x1}, 0x0) 03:39:39 executing program 6: perf_event_open(&(0x7f0000000180)={0x2, 0x70, 0x3e5}, 0x0, 0x0, 0xffffffffffffffff, 0x0) ioctl$KVM_CREATE_VM(0xffffffffffffffff, 0xae01, 0x0) pipe2$9p(&(0x7f0000000000)={0xffffffffffffffff, 0xffffffffffffffff}, 0x0) write$P9_RLERRORu(r1, &(0x7f0000000080)=ANY=[@ANYBLOB="14dc548be11a4b975e"], 0x9) mkdir(&(0x7f0000000440)='./file0\x00', 0x0) mount$9p_fd(0x0, &(0x7f00000005c0)='./file0\x00', &(0x7f0000000600)='9p\x00', 0x0, &(0x7f0000000640)={'trans=fd,', {'rfdno', 0x3d, r0}, 0x2c, {'wfdno', 0x3d, r1}, 0x2c, {[{@version_9p2000='version=9p2000', 0x2c}]}}) [ 1481.381653] 9pnet: Insufficient options for proto=fd [ 1481.383828] BTRFS error (device loop1): open_ctree failed [ 1481.414760] BTRFS error (device loop1): superblock checksum mismatch 03:39:39 executing program 0: perf_event_open(&(0x7f0000000180)={0x2, 0x70, 0x3e5}, 0x0, 0x0, 0xffffffffffffffff, 0x0) r0 = openat$cgroup_root(0xffffffffffffff9c, &(0x7f0000000080)='./cgroup.cpu/syz0\x00', 0x200002, 0x0) mkdirat$cgroup(r0, &(0x7f0000000100)='syz1\x00', 0x1ff) r1 = socket$inet_udp(0x2, 0x2, 0x0) sendto$inet(r1, &(0x7f0000000000), 0x0, 0x400c000, &(0x7f000083b000)={0x2, 0x4e20}, 0x10) r2 = syz_open_dev$dspn(&(0x7f0000000040)='/dev/dsp#\x00', 0xfffffffffffffffa, 0x0) ioctl$SIOCSIFHWADDR(r2, 0x8924, &(0x7f00000000c0)={'ifb0\x00', @remote={[0xaa, 0xaa, 0xaa, 0xaa, 0xaa], 0xbb}}) sendfile(r1, 0xffffffffffffffff, &(0x7f0000000000), 0xff) setsockopt$inet6_group_source_req(0xffffffffffffffff, 0x29, 0x2f, &(0x7f0000000200)={0x2f79, {{0xa, 0x4e24, 0x6b, @mcast2={0xff, 0x2, [], 0x1}, 0x5}}, {{0xa, 0x4e23, 0x5, @loopback={0x0, 0x1}, 0x3}}}, 0x108) 03:39:39 executing program 7: sendmsg$IPVS_CMD_FLUSH(0xffffffffffffffff, &(0x7f0000000340)={&(0x7f0000000100)={0x10}, 0xc, &(0x7f00000002c0)={&(0x7f00000001c0)=ANY=[@ANYBLOB='P\x00\x00\x00', @ANYBLOB="00000000000000000000110000002800030014000200697064647030000000000000000000000800040000000000080001000000000014000100080009000000000008005f50e2470000"], 0x2}, 0x1}, 0x0) r0 = socket$nl_generic(0x10, 0x3, 0x10) sendmsg$nl_generic(r0, &(0x7f00003cefe4)={&(0x7f0000000300)={0x10, 0x36200}, 0xc, &(0x7f0000007ff0)={&(0x7f0000000180)={0xffce, 0x2e, 0x6fd, 0x0, 0x0, {0x2004}, [@nested={0xc, 0x0, [@typed={0x62, 0x9, @ipv4}]}]}, 0xffce}, 0x1, 0x0, 0xb00000000000000}, 0x0) [ 1481.438147] BTRFS error (device loop1): open_ctree failed [ 1481.451162] netlink: 104 bytes leftover after parsing attributes in process `syz-executor4'. [ 1481.464091] BTRFS error (device loop1): superblock checksum mismatch 03:39:39 executing program 2: r0 = socket$inet6(0xa, 0x1000000000002, 0x0) ioctl(r0, 0x8912, &(0x7f0000000280)="025cc83d6d345f8f762070") syz_mount_image$btrfs(&(0x7f0000000080)='btrfs\x00', &(0x7f0000000100)='./file0\x00', 0x0, 0x1, &(0x7f0000000200)=[{&(0x7f0000000500)="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", 0x116, 0x10000}], 0x0, &(0x7f0000000240)) 03:39:39 executing program 7: sendmsg$IPVS_CMD_FLUSH(0xffffffffffffffff, &(0x7f0000000340)={&(0x7f0000000100)={0x10}, 0xc, &(0x7f00000002c0)={&(0x7f00000001c0)=ANY=[@ANYBLOB='P\x00\x00\x00', @ANYBLOB="00000000000000000000110000002800030014000200697064647030000000000000000000000800040000000000080001000000000014000100080009000000000008005f50e2470000"], 0x2}, 0x1}, 0x0) r0 = socket$nl_generic(0x10, 0x3, 0x10) sendmsg$nl_generic(r0, &(0x7f00003cefe4)={&(0x7f0000000300)={0x10, 0x36200}, 0xc, &(0x7f0000007ff0)={&(0x7f0000000180)={0xffce, 0x2e, 0x6fd, 0x0, 0x0, {0x2004}, [@nested={0xc, 0x0, [@typed={0x62, 0x9, @ipv4}]}]}, 0xffce}, 0x1, 0x0, 0x4c00}, 0x0) [ 1481.501583] BTRFS error (device loop1): open_ctree failed [ 1481.508217] netlink: 104 bytes leftover after parsing attributes in process `syz-executor4'. [ 1481.529740] BTRFS error (device loop2): unsupported checksum algorithm 3786 [ 1481.537009] BTRFS error (device loop2): superblock checksum mismatch [ 1481.576323] BTRFS error (device loop2): open_ctree failed [ 1481.602979] BTRFS error (device loop2): unsupported checksum algorithm 3786 [ 1481.610179] BTRFS error (device loop2): superblock checksum mismatch [ 1481.617445] BTRFS error (device loop2): open_ctree failed 03:39:40 executing program 5: r0 = syz_open_dev$sndseq(&(0x7f0000dcc000)='/dev/snd/seq\x00', 0x0, 0x0) read(r0, &(0x7f0000000280)=""/28, 0x58) ioctl$SNDRV_SEQ_IOCTL_CREATE_PORT(r0, 0xc0a85320, &(0x7f0000418f50)={{0x80}, "0a4ceaa05d9a00000000000000039b3fd4cec307e8ef3d13eb790ec9c65abaf90d229db692542e5b78f8b29e0a27800f0000000000000009fb42f376589701a4", 0x0, 0x10800a}) ioctl$SNDRV_SEQ_IOCTL_REMOVE_EVENTS(r0, 0x4040534e, &(0x7f000019ffe9)={0xc1}) ioctl$SNDRV_SEQ_IOCTL_SET_PORT_INFO(r0, 0x40a85323, &(0x7f0000000080)={{0x80}, 'port1\x00'}) ioctl$SNDRV_SEQ_IOCTL_SUBSCRIBE_PORT(r0, 0x40505330, &(0x7f0000000140)) openat$sequencer2(0xffffffffffffff9c, &(0x7f0000000040)='/dev/sequencer2\x00', 0x0, 0x0) 03:39:40 executing program 6: perf_event_open(&(0x7f0000000180)={0x2, 0x70, 0x3e5}, 0x0, 0x0, 0xffffffffffffffff, 0x0) ioctl$KVM_CREATE_VM(0xffffffffffffffff, 0xae01, 0x0) pipe2$9p(&(0x7f0000000000)={0xffffffffffffffff, 0xffffffffffffffff}, 0x0) write$P9_RLERRORu(r1, &(0x7f0000000080)=ANY=[@ANYBLOB="1400000007ffff0700"], 0x9) mkdir(&(0x7f0000000440)='./file0\x00', 0x0) r2 = openat(0xffffffffffffff9c, &(0x7f0000000200)='\x00', 0x800, 0xb) r3 = openat$sequencer2(0xffffffffffffff9c, &(0x7f0000000240)='/dev/sequencer2\x00', 0x2, 0x0) fanotify_mark(r2, 0x42, 0x48000001, r3, &(0x7f0000000280)='./file0\x00') socketpair(0x15, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff, 0xffffffffffffffff}) renameat2(r4, &(0x7f00000002c0)='./file0\x00', r5, &(0x7f0000000300)='./file0\x00', 0x1) write$P9_RFSYNC(r5, &(0x7f0000000140)={0x7, 0x33, 0x2}, 0x7) mount$9p_fd(0x0, &(0x7f00000005c0)='./file0\x00', &(0x7f0000000600)='9p\x00', 0x0, &(0x7f00000000c0)=ANY=[@ANYBLOB='trans=fd,rfdno=', @ANYRESHEX=r0, @ANYBLOB=',wfdno=', @ANYRESHEX=r1, @ANYBLOB="2c0065726e2e9c963d397032221d85e013aa9b50e7383030302c0000000000"]) sendto$unix(r5, &(0x7f0000000340)="8b671ef9c28cedd7da9fff7dac1f2b64c5ae6098bf7b7d9de15cabbf2b7b38d484b8348b4c885467a517d4917df5edac9c52c921af230bccba0e80573a4fe7ac7e76c878", 0x44, 0x40, 0x0, 0x0) 03:39:40 executing program 1: r0 = socket$inet6(0xa, 0x1000000000002, 0x0) ioctl(r0, 0x8912, &(0x7f0000000280)="025cc83d6d345f8f762070") syz_mount_image$btrfs(&(0x7f0000000080)='btrfs\x00', &(0x7f0000000100)='./file0\x00', 0x0, 0x1, &(0x7f0000000200)=[{&(0x7f0000000500)="8da4363a00000000000040000000004d01000000000000000000000000000000ecf6f2a2299748aeb81e1b00920efd9a000001000000000001000000000000005f42485266535f4dd2f873574f257e0a01e2a6a02f5e071383fa5a669a53f2fe9eb4eb7918628af41b", 0x69, 0x10000}], 0x0, &(0x7f0000000240)) 03:39:40 executing program 4: r0 = socket$nl_xfrm(0x10, 0x3, 0x6) sendmsg$nl_xfrm(r0, &(0x7f0000000400)={&(0x7f0000000040)={0x10}, 0xc, &(0x7f00000001c0)={&(0x7f0000000080)=@updpolicy={0xb8, 0x14, 0x407, 0x0, 0x0, {{@in=@loopback=0x7f000001, @in6=@ipv4={[0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xf0ffffffffffff], [0xff, 0xff], @dev={0xac, 0x14, 0x14}}, 0x0, 0x0, 0x0, 0x0, 0x2}}}, 0xb8}, 0x1}, 0x0) 03:39:40 executing program 0: r0 = perf_event_open(&(0x7f0000000180)={0x2, 0x70, 0x3e5}, 0x0, 0x0, 0xffffffffffffffff, 0x0) r1 = socket$inet_udp(0x2, 0x2, 0x0) sendto$inet(r1, &(0x7f0000000000), 0x0, 0x400c000, &(0x7f000083b000)={0x2, 0x4e20}, 0x10) r2 = syz_open_procfs(0x0, &(0x7f0000000080)='net/udp\x00') r3 = open(&(0x7f000000fffa)='./bus\x00', 0x1410c2, 0x0) open_by_handle_at(r3, &(0x7f0000000040)=ANY=[@ANYBLOB], 0x7ffd) fcntl$F_GET_FILE_RW_HINT(r0, 0x40d, &(0x7f00000000c0)) sendfile(r1, r2, &(0x7f0000000000), 0xff) ioctl$KVM_SET_USER_MEMORY_REGION(r3, 0x4020ae46, &(0x7f0000000040)={0x10006, 0x2, 0x0, 0x1000, &(0x7f0000ffe000/0x1000)=nil}) 03:39:40 executing program 7: sendmsg$IPVS_CMD_FLUSH(0xffffffffffffffff, &(0x7f0000000340)={&(0x7f0000000100)={0x10}, 0xc, &(0x7f00000002c0)={&(0x7f00000001c0)=ANY=[@ANYBLOB='P\x00\x00\x00', @ANYBLOB="00000000000000000000110000002800030014000200697064647030000000000000000000000800040000000000080001000000000014000100080009000000000008005f50e2470000"], 0x2}, 0x1}, 0x0) r0 = socket$nl_generic(0x10, 0x3, 0x10) sendmsg$nl_generic(r0, &(0x7f00003cefe4)={&(0x7f0000000300)={0x10, 0x36200}, 0xc, &(0x7f0000007ff0)={&(0x7f0000000180)={0xffce, 0x2e, 0x6fd, 0x0, 0x0, {0x2004}, [@nested={0xc, 0x0, [@typed={0x62, 0x9, @ipv4}]}]}, 0xffce}, 0x1, 0x0, 0x48}, 0x0) 03:39:40 executing program 2: r0 = socket$inet6(0xa, 0x1000000000002, 0x0) ioctl(r0, 0x8912, &(0x7f0000000280)="025cc83d6d345f8f762070") syz_mount_image$btrfs(&(0x7f0000000080)='btrfs\x00', &(0x7f0000000100)='./file0\x00', 0x0, 0x1, &(0x7f0000000200)=[{&(0x7f0000000500)="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", 0x116, 0x10000}], 0x0, &(0x7f0000000240)) 03:39:40 executing program 3: r0 = socket$inet(0x2, 0x4000000000000001, 0x0) setsockopt$inet_tcp_TCP_CONGESTION(r0, 0x6, 0xd, &(0x7f0000000140)='nv\x00', 0x3) sendto$inet(r0, &(0x7f0000a88f88), 0xfffffffffffffe6e, 0x20000000, &(0x7f0000e68000)={0x2, 0x0, @local={0xac, 0x14, 0x14, 0xaa}, [0x0, 0xa33c]}, 0x10) shutdown(r0, 0x0) 03:39:40 executing program 7: sendmsg$IPVS_CMD_FLUSH(0xffffffffffffffff, &(0x7f0000000340)={&(0x7f0000000100)={0x10}, 0xc, &(0x7f00000002c0)={&(0x7f00000001c0)=ANY=[@ANYBLOB='P\x00\x00\x00', @ANYBLOB="00000000000000000000110000002800030014000200697064647030000000000000000000000800040000000000080001000000000014000100080009000000000008005f50e2470000"], 0x2}, 0x1}, 0x0) r0 = socket$nl_generic(0x10, 0x3, 0x10) sendmsg$nl_generic(r0, &(0x7f00003cefe4)={&(0x7f0000000300)={0x10, 0x36200}, 0xc, &(0x7f0000007ff0)={&(0x7f0000000180)={0xffce, 0x2e, 0x6fd, 0x0, 0x0, {0x2004}, [@nested={0xc, 0x0, [@typed={0x62, 0x9, @ipv4}]}]}, 0xffce}, 0x1, 0x0, 0x7400000000000000}, 0x0) [ 1482.400919] netlink: 104 bytes leftover after parsing attributes in process `syz-executor4'. [ 1482.430689] BTRFS error (device loop2): unsupported checksum algorithm 3786 [ 1482.437887] BTRFS error (device loop2): superblock checksum mismatch 03:39:40 executing program 0: r0 = syz_open_procfs(0x0, &(0x7f0000000040)='net/unix\x00') fcntl$F_SET_FILE_RW_HINT(r0, 0x40e, &(0x7f0000000200)=0x1) ioctl$EVIOCGKEY(r0, 0x80404518, &(0x7f00000000c0)=""/165) perf_event_open(&(0x7f0000000180)={0x2, 0x70, 0x3e5}, 0x0, 0x0, 0xffffffffffffffff, 0x0) r1 = socket$inet_udp(0x2, 0x2, 0x0) sendto$inet(r1, &(0x7f0000000280), 0xfffffffffffffdad, 0x400c000, &(0x7f000083b000)={0x2, 0x4e20}, 0xfc58) setsockopt$netlink_NETLINK_TX_RING(r0, 0x10e, 0x7, &(0x7f0000000280)={0x0, 0x200, 0x20, 0x6}, 0x10) r2 = syz_open_procfs(0x0, &(0x7f0000000080)='net/udp\x00') write$P9_RVERSION(r2, &(0x7f0000000240)={0x15, 0x65, 0xffff, 0x4, 0x8, '9P2000.L'}, 0x15) sendfile(r1, r2, &(0x7f0000000000), 0xff) 03:39:40 executing program 4: r0 = socket$nl_xfrm(0x10, 0x3, 0x6) sendmsg$nl_xfrm(r0, &(0x7f0000000400)={&(0x7f0000000040)={0x10}, 0xc, &(0x7f00000001c0)={&(0x7f0000000080)=@updpolicy={0xb8, 0x14, 0x407, 0x0, 0x0, {{@in=@loopback=0x7f000001, @in6=@ipv4={[0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x200000000000000], [0xff, 0xff], @dev={0xac, 0x14, 0x14}}, 0x0, 0x0, 0x0, 0x0, 0x2}}}, 0xb8}, 0x1}, 0x0) 03:39:40 executing program 6: r0 = syz_open_dev$audion(&(0x7f0000000400)='/dev/audio#\x00', 0x102661427d, 0x28091) getsockopt$bt_rfcomm_RFCOMM_LM(r0, 0x12, 0x3, &(0x7f0000000140), &(0x7f0000000200)=0x4) perf_event_open(&(0x7f0000000180)={0x2, 0x70, 0x3e5}, 0x0, 0x0, 0xffffffffffffffff, 0x0) ioctl$KVM_CREATE_VM(0xffffffffffffffff, 0xae01, 0x0) pipe2$9p(&(0x7f0000000000)={0xffffffffffffffff, 0xffffffffffffffff}, 0x0) write$P9_RLERRORu(r2, &(0x7f0000000080)=ANY=[@ANYBLOB="1400000007ffff0700"], 0x9) mkdir(&(0x7f0000000440)='./file0\x00', 0x0) r3 = openat$sequencer2(0xffffffffffffff9c, &(0x7f0000000040)='/dev/sequencer2\x00', 0x20000, 0x0) unlinkat(r3, &(0x7f0000000100)='./file0\x00', 0x200) syz_read_part_table(0x401, 0x3, &(0x7f00000016c0)=[{&(0x7f0000000500)="7bc31576f1ac8327f2641dd540e7b30c1bcfe4fa0ee2ca172e7c42045ab1185c9502341acbe9eaf6932e46b224253e", 0x2f, 0x9030}, {&(0x7f0000000540)="880fac582aa745dfb1345162982cc85889e96ea006fb934fc12ac168e523cf8775a2235c847d1b432e7d582a07d656b58bffbd6d539afc1695bf3c33a0627a8a28911a1a01d19bde", 0x48, 0x6}, {&(0x7f00000006c0)="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", 0x1000, 0x100}]) setsockopt$RDS_FREE_MR(r3, 0x114, 0x3, &(0x7f00000000c0)={{0x2, 0x3}, 0x10}, 0x10) r4 = socket$rds(0x15, 0x5, 0x0) getsockopt$IP_VS_SO_GET_SERVICES(r4, 0x0, 0x482, &(0x7f00000002c0)=""/222, &(0x7f00000003c0)=0xde) mount$9p_fd(0x0, &(0x7f0000000240)='./file0\x00', &(0x7f0000000600)='9p\x00', 0x0, &(0x7f0000000640)={'trans=fd,', {'rfdno', 0x3d, r1}, 0x2c, {'wfdno', 0x3d, r2}, 0x2c, {[{@version_9p2000='version=9p2000', 0x2c}]}}) setsockopt$inet6_tcp_TCP_ULP(r3, 0x6, 0x1f, &(0x7f0000000280)='tls\x00', 0x4) setsockopt$IP_VS_SO_SET_EDITDEST(r0, 0x0, 0x489, &(0x7f0000000480)={{0xff, @dev={0xac, 0x14, 0x14, 0x11}, 0x4e24, 0x3, 'none\x00', 0x10, 0xc06, 0x3c}, {@empty, 0x4e20, 0x2, 0x9, 0x6, 0x1ca7}}, 0x44) [ 1482.468420] BTRFS error (device loop2): open_ctree failed [ 1482.485676] BTRFS error (device loop2): unsupported checksum algorithm 3786 [ 1482.492955] BTRFS error (device loop2): superblock checksum mismatch 03:39:40 executing program 2: r0 = socket$inet6(0xa, 0x1000000000002, 0x0) ioctl(r0, 0x8912, &(0x7f0000000280)="025cc83d6d345f8f762070") syz_mount_image$btrfs(&(0x7f0000000080)='btrfs\x00', &(0x7f0000000100)='./file0\x00', 0x0, 0x1, &(0x7f0000000200)=[{&(0x7f0000000500)="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", 0x116, 0x10000}], 0x0, &(0x7f0000000240)) 03:39:40 executing program 7: sendmsg$IPVS_CMD_FLUSH(0xffffffffffffffff, &(0x7f0000000340)={&(0x7f0000000100)={0x10}, 0xc, &(0x7f00000002c0)={&(0x7f00000001c0)=ANY=[@ANYBLOB='P\x00\x00\x00', @ANYBLOB="00000000000000000000110000002800030014000200697064647030000000000000000000000800040000000000080001000000000014000100080009000000000008005f50e2470000"], 0x2}, 0x1}, 0x0) r0 = socket$nl_generic(0x10, 0x3, 0x10) sendmsg$nl_generic(r0, &(0x7f00003cefe4)={&(0x7f0000000300)={0x10, 0x36200}, 0xc, &(0x7f0000007ff0)={&(0x7f0000000180)={0xffce, 0x2e, 0x6fd, 0x0, 0x0, {0x2004}, [@nested={0xc, 0x0, [@typed={0x62, 0x9, @ipv4}]}]}, 0xffce}, 0x1, 0x0, 0x700000000000000}, 0x0) [ 1482.522934] BTRFS error (device loop2): open_ctree failed [ 1482.531667] netlink: 104 bytes leftover after parsing attributes in process `syz-executor4'. [ 1482.561305] print_req_error: I/O error, dev loop6, sector 128 03:39:40 executing program 0: perf_event_open(&(0x7f0000000180)={0x2, 0x70, 0x3e5}, 0x0, 0x0, 0xffffffffffffffff, 0x0) r0 = socket$inet_udp(0x2, 0x2, 0x0) sendto$inet(r0, &(0x7f0000000000), 0x0, 0x400c000, &(0x7f000083b000)={0x2, 0x4e20}, 0x10) r1 = syz_open_procfs(0x0, &(0x7f0000000040)='net/udp\x00') sendfile(r0, r1, &(0x7f0000000000), 0xff) [ 1482.562900] 9pnet: p9_errstr2errno: server reported unknown error  03:39:40 executing program 7: sendmsg$IPVS_CMD_FLUSH(0xffffffffffffffff, &(0x7f0000000340)={&(0x7f0000000100)={0x10}, 0xc, &(0x7f00000002c0)={&(0x7f00000001c0)=ANY=[@ANYBLOB='P\x00\x00\x00', @ANYBLOB="00000000000000000000110000002800030014000200697064647030000000000000000000000800040000000000080001000000000014000100080009000000000008005f50e2470000"], 0x2}, 0x1}, 0x0) r0 = socket$nl_generic(0x10, 0x3, 0x10) sendmsg$nl_generic(r0, &(0x7f00003cefe4)={&(0x7f0000000300)={0x10, 0x36200}, 0xc, &(0x7f0000007ff0)={&(0x7f0000000180)={0xffce, 0x2e, 0x6fd, 0x0, 0x0, {0x2004}, [@nested={0xc, 0x0, [@typed={0x62, 0x9, @ipv4}]}]}, 0xffce}, 0x1, 0x0, 0xf0ffffffffffff}, 0x0) [ 1482.601476] BTRFS error (device loop1): superblock checksum mismatch [ 1482.609263] 9pnet: p9_errstr2errno: server reported unknown error  [ 1482.635664] BTRFS error (device loop1): open_ctree failed [ 1482.651334] BTRFS error (device loop1): superblock checksum mismatch [ 1482.698853] BTRFS error (device loop1): open_ctree failed [ 1482.749581] BTRFS error (device loop2): unsupported checksum algorithm 3786 [ 1482.756777] BTRFS error (device loop2): superblock checksum mismatch [ 1482.764787] BTRFS error (device loop2): open_ctree failed 03:39:41 executing program 5: r0 = syz_open_dev$sndseq(&(0x7f0000dcc000)='/dev/snd/seq\x00', 0x0, 0x0) read(r0, &(0x7f0000000280)=""/28, 0x58) ioctl$SNDRV_SEQ_IOCTL_CREATE_PORT(r0, 0xc0a85320, &(0x7f0000418f50)={{0x80}, "0a4ceaa05d9a00000000000000039b3fd4cec307e8ef3d13eb790ec9c65abaf90d229db692542e5b78f8b29e0a27800f0000000000000009fb42f376589701a4", 0xa9824f69d1376637}) ioctl$SNDRV_SEQ_IOCTL_REMOVE_EVENTS(r0, 0x4040534e, &(0x7f000019ffe9)={0xc1}) ioctl$SNDRV_SEQ_IOCTL_SET_PORT_INFO(r0, 0x40a85323, &(0x7f0000000080)={{0x80}, 'port1\x00'}) ioctl$SNDRV_SEQ_IOCTL_SUBSCRIBE_PORT(r0, 0x40505330, &(0x7f0000000140)) openat$sequencer2(0xffffffffffffff9c, &(0x7f0000000040)='/dev/sequencer2\x00', 0x0, 0x0) 03:39:41 executing program 4: r0 = socket$nl_xfrm(0x10, 0x3, 0x6) sendmsg$nl_xfrm(r0, &(0x7f0000000400)={&(0x7f0000000040)={0x10}, 0xc, &(0x7f00000001c0)={&(0x7f0000000080)=@updpolicy={0xb8, 0x14, 0x407, 0x0, 0x0, {{@in=@loopback=0x7f000001, @in6=@ipv4={[0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x2000000], [0xff, 0xff], @dev={0xac, 0x14, 0x14}}, 0x0, 0x0, 0x0, 0x0, 0x2}}}, 0xb8}, 0x1}, 0x0) 03:39:41 executing program 7: sendmsg$IPVS_CMD_FLUSH(0xffffffffffffffff, &(0x7f0000000340)={&(0x7f0000000100)={0x10}, 0xc, &(0x7f00000002c0)={&(0x7f00000001c0)=ANY=[@ANYBLOB='P\x00\x00\x00', @ANYBLOB="00000000000000000000110000002800030014000200697064647030000000000000000000000800040000000000080001000000000014000100080009000000000008005f50e2470000"], 0x2}, 0x1}, 0x0) r0 = socket$nl_generic(0x10, 0x3, 0x10) sendmsg$nl_generic(r0, &(0x7f00003cefe4)={&(0x7f0000000300)={0x10, 0x36200}, 0xc, &(0x7f0000007ff0)={&(0x7f0000000180)={0xffce, 0x2e, 0x6fd, 0x0, 0x0, {0x2004}, [@nested={0xc, 0x0, [@typed={0x62, 0x9, @ipv4}]}]}, 0xffce}, 0x1, 0x0, 0x1654}, 0x0) 03:39:41 executing program 1: r0 = socket$inet6(0xa, 0x1000000000002, 0x0) ioctl(r0, 0x8912, &(0x7f0000000280)="025cc83d6d345f8f762070") syz_mount_image$btrfs(&(0x7f0000000080)='btrfs\x00', &(0x7f0000000100)='./file0\x00', 0x0, 0x1, &(0x7f0000000200)=[{&(0x7f0000000500)="8da4363a00000000780200000000004d01000000000000000000000000000000ecf6f2a2299748aeb81e1b00920efd9a000001000000000001000000000000005f42485266535f4dd2f873574f257e0a01e2a6a02f5e071383fa5a669a53f2fe9eb4eb7918628af41b", 0x69, 0x10000}], 0x0, &(0x7f0000000240)) 03:39:41 executing program 6: perf_event_open(&(0x7f0000000180)={0x2, 0x70, 0x3e5}, 0x0, 0x0, 0xffffffffffffffff, 0x0) ioctl$KVM_CREATE_VM(0xffffffffffffffff, 0xae01, 0x0) pipe2$9p(&(0x7f0000000000)={0xffffffffffffffff, 0xffffffffffffffff}, 0x0) pipe(&(0x7f0000000040)) ioctl$HDIO_GETGEO(r1, 0x301, &(0x7f00000000c0)) write$P9_RLERRORu(r1, &(0x7f0000000080)=ANY=[@ANYBLOB="1400000007ffff0700"], 0x9) mkdir(&(0x7f0000000440)='./file0\x00', 0x0) mount$9p_fd(0x0, &(0x7f00000005c0)='./file0\x00', &(0x7f0000000600)='9p\x00', 0xffffffffffffffff, &(0x7f0000000640)={'trans=fd,', {'rfdno', 0x3d, r0}, 0x2c, {'wfdno', 0x3d, r1}, 0x2c, {[{@mmap='mmap', 0x2c}]}}) 03:39:41 executing program 0: perf_event_open(&(0x7f0000000180)={0x2, 0x70, 0x3e5}, 0x0, 0x0, 0xffffffffffffffff, 0x0) r0 = socket$inet_udp(0x2, 0x2, 0x0) sendto$inet(r0, &(0x7f0000000000), 0x0, 0x400c000, &(0x7f000083b000)={0x2, 0x4e20}, 0x10) r1 = syz_open_procfs(0x0, &(0x7f0000000080)='net/udp\x00') sendfile(r0, r1, &(0x7f0000000040)=0x3, 0xff) 03:39:41 executing program 2: r0 = socket$inet6(0xa, 0x1000000000002, 0x0) ioctl(r0, 0x8912, &(0x7f0000000280)="025cc83d6d345f8f762070") syz_mount_image$btrfs(&(0x7f0000000080)='btrfs\x00', &(0x7f0000000100)='./file0\x00', 0x0, 0x1, &(0x7f0000000200)=[{&(0x7f0000000500)="8da4363a000000000000ffffffe4004d01000000000000000000000000000000ecf6f2a2299748aeb81e1b00920efd9a000001000000000001000000000000005f42485266535f4dd2f873574f257e0a01e2a6a02f5e071383fa5a669a53f2fe9eb4eb7918628af41b035fd98372e7c2a6970f550441f0b263dca46c12ce6aaa994fbb4b3493ca901878bb330d2db8e953fc883f9c754f419e963874199295a945ec867b4f224fde52268a81e1154b80f7076f32b6eb8614c672ecdecd385a1a7b8cac7cca0eb0cdbf1c5ee539c37d1f23b763ce55672b8e492664e624e0efe078f2e3aa38061af373a3d160cfbe9b6318577fabec9baa14a9377d7ffef2b72f36353de7db160717b00a6f6055d08594df3bff1ac4f0", 0x116, 0x10000}], 0x0, &(0x7f0000000240)) 03:39:41 executing program 3: r0 = socket$inet(0x2, 0x4000000000000001, 0x0) setsockopt$inet_tcp_TCP_CONGESTION(r0, 0x6, 0xd, &(0x7f0000000140)='nv\x00', 0x3) sendto$inet(r0, &(0x7f0000a88f88), 0xfffffffffffffe6e, 0x20000000, &(0x7f0000e68000)={0x2, 0x0, @local={0xac, 0x14, 0x14, 0xaa}, [0x0, 0x4e26f0d1]}, 0x10) shutdown(r0, 0x0) 03:39:41 executing program 7: sendmsg$IPVS_CMD_FLUSH(0xffffffffffffffff, &(0x7f0000000340)={&(0x7f0000000100)={0x10}, 0xc, &(0x7f00000002c0)={&(0x7f00000001c0)=ANY=[@ANYBLOB='P\x00\x00\x00', @ANYBLOB="00000000000000000000110000002800030014000200697064647030000000000000000000000800040000000000080001000000000014000100080009000000000008005f50e2470000"], 0x2}, 0x1}, 0x0) r0 = socket$nl_generic(0x10, 0x3, 0x10) sendmsg$nl_generic(r0, &(0x7f00003cefe4)={&(0x7f0000000300)={0x10, 0x36200}, 0xc, &(0x7f0000007ff0)={&(0x7f0000000180)={0xffce, 0x2e, 0x6fd, 0x0, 0x0, {0x2004}, [@nested={0xc, 0x0, [@typed={0x62, 0x9, @ipv4}]}]}, 0xffce}, 0x1, 0x0, 0x4c}, 0x0) [ 1483.483399] netlink: 104 bytes leftover after parsing attributes in process `syz-executor4'. [ 1483.500975] BTRFS error (device loop2): unsupported checksum algorithm 3786 [ 1483.508183] BTRFS error (device loop2): superblock checksum mismatch [ 1483.520795] BTRFS error (device loop2): open_ctree failed 03:39:41 executing program 6: perf_event_open(&(0x7f0000000180)={0x2, 0x70, 0x3e5}, 0x0, 0x0, 0xffffffffffffffff, 0x0) r0 = syz_open_dev$admmidi(&(0x7f00000000c0)='/dev/admmidi#\x00', 0x1, 0x0) write$P9_RWSTAT(r0, &(0x7f0000000100)={0x7, 0x7f, 0x1}, 0x7) ioctl$KVM_CREATE_VM(0xffffffffffffffff, 0xae01, 0x0) pipe2$9p(&(0x7f0000000000)={0xffffffffffffffff, 0xffffffffffffffff}, 0x0) write$P9_RLERRORu(r2, &(0x7f0000000080)=ANY=[@ANYBLOB="1400000007ffff0700"], 0x9) write$P9_RATTACH(r2, &(0x7f0000000040)={0x14, 0x69, 0x1, {0x89, 0x2, 0x6}}, 0x14) mkdir(&(0x7f0000000440)='./file0\x00', 0x0) mount$9p_fd(0x0, &(0x7f00000005c0)='./file0\x00', &(0x7f0000000600)='9p\x00', 0x0, &(0x7f0000000640)={'trans=fd,', {'rfdno', 0x3d, r1}, 0x2c, {'wfdno', 0x3d, r2}, 0x2c, {[{@mmap='mmap', 0x2c}]}}) 03:39:41 executing program 4: r0 = socket$nl_xfrm(0x10, 0x3, 0x6) sendmsg$nl_xfrm(r0, &(0x7f0000000400)={&(0x7f0000000040)={0x10}, 0xc, &(0x7f00000001c0)={&(0x7f0000000080)=@updpolicy={0xb8, 0x14, 0x407, 0x0, 0x0, {{@in=@loopback=0x7f000001, @in6=@ipv4={[0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xfffffff0], [0xff, 0xff], @dev={0xac, 0x14, 0x14}}, 0x0, 0x0, 0x0, 0x0, 0x2}}}, 0xb8}, 0x1}, 0x0) 03:39:41 executing program 0: perf_event_open(&(0x7f0000000180)={0x2, 0x70, 0x3e5}, 0x0, 0x0, 0xffffffffffffffff, 0x0) r0 = socket$inet_udp(0x2, 0x2, 0x0) sendto$inet(r0, &(0x7f0000000400), 0x0, 0x400c000, &(0x7f000083b000)={0x2, 0x4e20}, 0x10) r1 = syz_open_procfs(0x0, &(0x7f0000000080)='net/udp\x00') write$RDMA_USER_CM_CMD_CREATE_ID(r1, &(0x7f0000000100)={0x0, 0x18, 0xfa00, {0x2, &(0x7f00000000c0)={0xffffffff}, 0x2, 0x1}}, 0x20) write$RDMA_USER_CM_CMD_QUERY_ROUTE(r1, &(0x7f0000000140)={0x5, 0x10, 0xfa00, {&(0x7f0000000200), r2, 0x2}}, 0x18) fcntl$getownex(r1, 0x10, &(0x7f0000000040)) sendfile(r0, r1, &(0x7f0000000000), 0xff) [ 1483.528203] BTRFS error (device loop2): unsupported checksum algorithm 3786 [ 1483.535405] BTRFS error (device loop2): superblock checksum mismatch [ 1483.573446] BTRFS error (device loop2): open_ctree failed 03:39:41 executing program 2: r0 = socket$inet6(0xa, 0x1000000000002, 0x0) ioctl(r0, 0x8912, &(0x7f0000000280)="025cc83d6d345f8f762070") syz_mount_image$btrfs(&(0x7f0000000080)='btrfs\x00', &(0x7f0000000100)='./file0\x00', 0x0, 0x1, &(0x7f0000000200)=[{&(0x7f0000000500)="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", 0x116, 0x10000}], 0x0, &(0x7f0000000240)) 03:39:41 executing program 7: sendmsg$IPVS_CMD_FLUSH(0xffffffffffffffff, &(0x7f0000000340)={&(0x7f0000000100)={0x10}, 0xc, &(0x7f00000002c0)={&(0x7f00000001c0)=ANY=[@ANYBLOB='P\x00\x00\x00', @ANYBLOB="00000000000000000000110000002800030014000200697064647030000000000000000000000800040000000000080001000000000014000100080009000000000008005f50e2470000"], 0x2}, 0x1}, 0x0) r0 = socket$nl_generic(0x10, 0x3, 0x10) sendmsg$nl_generic(r0, &(0x7f00003cefe4)={&(0x7f0000000300)={0x10, 0x36200}, 0xc, &(0x7f0000007ff0)={&(0x7f0000000180)={0xffce, 0x2e, 0x6fd, 0x0, 0x0, {0x2004}, [@nested={0xc, 0x0, [@typed={0x62, 0x9, @ipv4}]}]}, 0xffce}, 0x1, 0x0, 0xa}, 0x0) [ 1483.579248] netlink: 104 bytes leftover after parsing attributes in process `syz-executor4'. 03:39:42 executing program 6: perf_event_open(&(0x7f0000000180)={0x2, 0x70, 0x3e5}, 0x0, 0x0, 0xffffffffffffffff, 0x0) ioctl$KVM_CREATE_VM(0xffffffffffffffff, 0xae01, 0x0) r0 = openat$null(0xffffffffffffff9c, &(0x7f0000000040)='/dev/null\x00', 0x200, 0x0) ioctl$EVIOCGNAME(r0, 0x80404506, &(0x7f0000000200)=""/214) pipe2$9p(&(0x7f0000000000)={0xffffffffffffffff, 0xffffffffffffffff}, 0x0) write$P9_RLERRORu(r2, &(0x7f0000000080)=ANY=[@ANYBLOB="1400000007ffff0700"], 0x9) mkdir(&(0x7f0000000440)='./file0\x00', 0x0) mount$9p_fd(0x0, &(0x7f00000005c0)='./file0\x00', &(0x7f0000000600)='9p\x00', 0x0, &(0x7f0000000640)={'trans=fd,', {'rfdno', 0x3d, r1}, 0x2c, {'wfdno', 0x3d, r2}, 0x2c, {[{@version_9p2000='version=9p2000', 0x2c}]}}) 03:39:42 executing program 7: sendmsg$IPVS_CMD_FLUSH(0xffffffffffffffff, &(0x7f0000000340)={&(0x7f0000000100)={0x10}, 0xc, &(0x7f00000002c0)={&(0x7f00000001c0)=ANY=[@ANYBLOB='P\x00\x00\x00', @ANYBLOB="00000000000000000000110000002800030014000200697064647030000000000000000000000800040000000000080001000000000014000100080009000000000008005f50e2470000"], 0x2}, 0x1}, 0x0) r0 = socket$nl_generic(0x10, 0x3, 0x10) sendmsg$nl_generic(r0, &(0x7f00003cefe4)={&(0x7f0000000300)={0x10, 0x36200}, 0xc, &(0x7f0000007ff0)={&(0x7f0000000180)={0xffce, 0x2e, 0x6fd, 0x0, 0x0, {0x2004}, [@nested={0xc, 0x0, [@typed={0x62, 0x9, @ipv4}]}]}, 0xffce}, 0x1, 0x0, 0x6}, 0x0) [ 1483.641609] BTRFS error (device loop2): unsupported checksum algorithm 3786 [ 1483.648802] BTRFS error (device loop2): superblock checksum mismatch [ 1483.668202] 9pnet: p9_errstr2errno: server reported unknown error  [ 1483.692450] 9pnet: p9_errstr2errno: server reported unknown error  [ 1483.702388] BTRFS error (device loop2): open_ctree failed [ 1483.726539] BTRFS error (device loop2): unsupported checksum algorithm 3786 [ 1483.733720] BTRFS error (device loop2): superblock checksum mismatch [ 1483.740740] BTRFS error (device loop2): open_ctree failed 03:39:42 executing program 5: r0 = syz_open_dev$sndseq(&(0x7f0000dcc000)='/dev/snd/seq\x00', 0x0, 0x0) read(r0, &(0x7f0000000280)=""/28, 0x58) ioctl$SNDRV_SEQ_IOCTL_CREATE_PORT(r0, 0xc0a85320, &(0x7f0000418f50)={{0x80}, "0a4ceaa05d9a00000000000000039b3fd4cec307e8ef3d13eb790ec9c65abaf90d229db692542e5b78f8b29e0a27800f0000000000000009fb42f376589701a4", 0xa9824f69d1376637}) ioctl$SNDRV_SEQ_IOCTL_REMOVE_EVENTS(r0, 0x4040534e, &(0x7f000019ffe9)={0xc1}) ioctl$SNDRV_SEQ_IOCTL_SET_PORT_INFO(r0, 0x40a85323, &(0x7f0000000080)={{0x80}, 'port1\x00'}) ioctl$SNDRV_SEQ_IOCTL_SUBSCRIBE_PORT(r0, 0x40505330, &(0x7f0000000140)) openat$sequencer2(0xffffffffffffff9c, &(0x7f0000000040)='/dev/sequencer2\x00', 0x0, 0x0) 03:39:42 executing program 1: r0 = socket$inet6(0xa, 0x1000000000002, 0x0) ioctl(r0, 0x8912, &(0x7f0000000280)="025cc83d6d345f8f762070") syz_mount_image$btrfs(&(0x7f0000000080)='btrfs\x00', &(0x7f0000000100)='./file0\x00', 0x0, 0x1, &(0x7f0000000200)=[{&(0x7f0000000500)="8da4363a000000000a0000000000004d01000000000000000000000000000000ecf6f2a2299748aeb81e1b00920efd9a000001000000000001000000000000005f42485266535f4dd2f873574f257e0a01e2a6a02f5e071383fa5a669a53f2fe9eb4eb7918628af41b", 0x69, 0x10000}], 0x0, &(0x7f0000000240)) 03:39:42 executing program 4: r0 = socket$nl_xfrm(0x10, 0x3, 0x6) sendmsg$nl_xfrm(r0, &(0x7f0000000400)={&(0x7f0000000040)={0x10}, 0xc, &(0x7f00000001c0)={&(0x7f0000000080)=@updpolicy={0xb8, 0x14, 0x407, 0x0, 0x0, {{@in=@loopback=0x7f000001, @in6=@ipv4={[0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x300000000000000], [0xff, 0xff], @dev={0xac, 0x14, 0x14}}, 0x0, 0x0, 0x0, 0x0, 0x2}}}, 0xb8}, 0x1}, 0x0) 03:39:42 executing program 0: perf_event_open(&(0x7f0000000180)={0x2, 0x70, 0x3e5}, 0x0, 0x0, 0xffffffffffffffff, 0x0) r0 = socket$inet_udp(0x2, 0x2, 0x0) sendto$inet(r0, &(0x7f0000000000), 0x0, 0x400c000, &(0x7f000083b000)={0x2, 0x4e20}, 0x10) r1 = syz_open_procfs(0x0, &(0x7f0000000080)='net/udp\x00') sendfile(r0, r1, &(0x7f0000000000), 0xff) ioctl$VT_DISALLOCATE(r1, 0x5608) 03:39:42 executing program 7: sendmsg$IPVS_CMD_FLUSH(0xffffffffffffffff, &(0x7f0000000340)={&(0x7f0000000100)={0x10}, 0xc, &(0x7f00000002c0)={&(0x7f00000001c0)=ANY=[@ANYBLOB='P\x00\x00\x00', @ANYBLOB="00000000000000000000110000002800030014000200697064647030000000000000000000000800040000000000080001000000000014000100080009000000000008005f50e2470000"], 0x2}, 0x1}, 0x0) r0 = socket$nl_generic(0x10, 0x3, 0x10) sendmsg$nl_generic(r0, &(0x7f00003cefe4)={&(0x7f0000000300)={0x10, 0x36200}, 0xc, &(0x7f0000007ff0)={&(0x7f0000000180)={0xffce, 0x2e, 0x6fd, 0x0, 0x0, {0x2004}, [@nested={0xc, 0x0, [@typed={0x62, 0x9, @ipv4}]}]}, 0xffce}, 0x1, 0x0, 0x4c000000}, 0x0) 03:39:42 executing program 6: r0 = perf_event_open(&(0x7f0000000180)={0x2, 0x70, 0x3e5}, 0x0, 0x0, 0xffffffffffffffff, 0x0) ioctl$KVM_CREATE_VM(0xffffffffffffffff, 0xae01, 0x0) pipe2$9p(&(0x7f0000000000)={0xffffffffffffffff, 0xffffffffffffffff}, 0x0) ioctl$fiemap(r0, 0xc020660b, &(0x7f0000000200)={0x2, 0x2, 0x1, 0x8, 0x4, [{0x80000000, 0x4, 0x5, 0x0, 0x0, 0x80}, {0x819, 0x1f, 0x3, 0x0, 0x0, 0x80c}, {0x3, 0x10001, 0x4, 0x0, 0x0, 0x6}, {0x7fff, 0x0, 0x0, 0x0, 0x0, 0x1000}]}) write$P9_RLERRORu(r2, &(0x7f0000000080)=ANY=[@ANYBLOB="1400000007ffff0700"], 0x9) mkdir(&(0x7f0000000440)='./file0\x00', 0x0) mount$9p_fd(0x0, &(0x7f00000005c0)='./file0\x00', &(0x7f0000000600)='9p\x00', 0x0, &(0x7f0000000640)=ANY=[@ANYBLOB='trans=fd,rfdno=', @ANYRESHEX=r1, @ANYBLOB=',wfdno=', @ANYRESHEX=r2, @ANYBLOB=',0,\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00']) 03:39:42 executing program 2: r0 = socket$inet6(0xa, 0x1000000000002, 0x0) ioctl(r0, 0x8912, &(0x7f0000000280)="025cc83d6d345f8f762070") syz_mount_image$btrfs(&(0x7f0000000080)='btrfs\x00', &(0x7f0000000100)='./file0\x00', 0x0, 0x1, &(0x7f0000000200)=[{&(0x7f0000000500)="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", 0x116, 0x10000}], 0x0, &(0x7f0000000240)) 03:39:42 executing program 3: r0 = socket$inet(0x2, 0x4000000000000001, 0x0) setsockopt$inet_tcp_TCP_CONGESTION(r0, 0x6, 0xd, &(0x7f0000000140)='nv\x00', 0x3) sendto$inet(r0, &(0x7f0000a88f88), 0xfffffffffffffe6e, 0x20000000, &(0x7f0000e68000)={0x2, 0x0, @local={0xac, 0x14, 0x14, 0xaa}, [0x0, 0xd1f0264e00000000]}, 0x10) shutdown(r0, 0x0) 03:39:42 executing program 7: sendmsg$IPVS_CMD_FLUSH(0xffffffffffffffff, &(0x7f0000000340)={&(0x7f0000000100)={0x10}, 0xc, &(0x7f00000002c0)={&(0x7f00000001c0)=ANY=[@ANYBLOB='P\x00\x00\x00', @ANYBLOB="00000000000000000000110000002800030014000200697064647030000000000000000000000800040000000000080001000000000014000100080009000000000008005f50e2470000"], 0x2}, 0x1}, 0x0) r0 = socket$nl_generic(0x10, 0x3, 0x10) sendmsg$nl_generic(r0, &(0x7f00003cefe4)={&(0x7f0000000300)={0x10, 0x36200}, 0xc, &(0x7f0000007ff0)={&(0x7f0000000180)={0xffce, 0x2e, 0x6fd, 0x0, 0x0, {0x2004}, [@nested={0xc, 0x0, [@typed={0x62, 0x9, @ipv4}]}]}, 0xffce}, 0x1, 0x0, 0x7a000000}, 0x0) 03:39:42 executing program 0: perf_event_open(&(0x7f0000000180)={0x2, 0x70, 0x3e5}, 0x0, 0x0, 0xffffffffffffffff, 0x0) pipe2$9p(&(0x7f0000000040), 0x800) r0 = socket$inet_udp(0x2, 0x2, 0x0) sendto$inet(r0, &(0x7f0000000000), 0x0, 0x400c000, &(0x7f000083b000)={0x2, 0x4e20}, 0x10) r1 = syz_open_procfs(0x0, &(0x7f0000000080)='net/udp\x00') sendfile(r0, r1, &(0x7f0000000000), 0xff) [ 1484.530070] netlink: 104 bytes leftover after parsing attributes in process `syz-executor4'. [ 1484.540324] BTRFS error (device loop2): unsupported checksum algorithm 3786 [ 1484.547559] BTRFS error (device loop2): superblock checksum mismatch 03:39:42 executing program 4: r0 = socket$nl_xfrm(0x10, 0x3, 0x6) sendmsg$nl_xfrm(r0, &(0x7f0000000400)={&(0x7f0000000040)={0x10}, 0xc, &(0x7f00000001c0)={&(0x7f0000000080)=@updpolicy={0xb8, 0x14, 0x407, 0x0, 0x0, {{@in=@loopback=0x7f000001, @in6=@ipv4={[0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xf00000000000000], [0xff, 0xff], @dev={0xac, 0x14, 0x14}}, 0x0, 0x0, 0x0, 0x0, 0x2}}}, 0xb8}, 0x1}, 0x0) 03:39:42 executing program 6: perf_event_open(&(0x7f0000000180)={0x2, 0x70, 0x3e5}, 0x0, 0x0, 0xffffffffffffffff, 0x0) pipe2$9p(&(0x7f0000000000)={0xffffffffffffffff, 0xffffffffffffffff}, 0x0) write$P9_RLERRORu(r1, &(0x7f0000000080)=ANY=[@ANYBLOB="1400000007ffff0700"], 0x9) mkdir(&(0x7f0000000440)='./file0\x00', 0x0) mount$9p_fd(0x0, &(0x7f00000005c0)='./file0\x00', &(0x7f0000000600)='9p\x00', 0x0, &(0x7f0000000640)={'trans=fd,', {'rfdno', 0x3d, r0}, 0x2c, {'wfdno', 0x3d, r1}, 0x2c, {[{@version_9p2000='version=9p2000', 0x2c}]}}) 03:39:42 executing program 7: sendmsg$IPVS_CMD_FLUSH(0xffffffffffffffff, &(0x7f0000000340)={&(0x7f0000000100)={0x10}, 0xc, &(0x7f00000002c0)={&(0x7f00000001c0)=ANY=[@ANYBLOB='P\x00\x00\x00', @ANYBLOB="00000000000000000000110000002800030014000200697064647030000000000000000000000800040000000000080001000000000014000100080009000000000008005f50e2470000"], 0x2}, 0x1}, 0x0) r0 = socket$nl_generic(0x10, 0x3, 0x10) sendmsg$nl_generic(r0, &(0x7f00003cefe4)={&(0x7f0000000300)={0x10, 0x36200}, 0xc, &(0x7f0000007ff0)={&(0x7f0000000180)={0xffce, 0x2e, 0x6fd, 0x0, 0x0, {0x2004}, [@nested={0xc, 0x0, [@typed={0x62, 0x9, @ipv4}]}]}, 0xffce}, 0x1, 0x0, 0x6800}, 0x0) [ 1484.599375] BTRFS error (device loop2): open_ctree failed [ 1484.609613] BTRFS error (device loop2): unsupported checksum algorithm 3786 [ 1484.616782] BTRFS error (device loop2): superblock checksum mismatch [ 1484.629256] BTRFS error (device loop2): open_ctree failed 03:39:43 executing program 0: perf_event_open(&(0x7f0000000180)={0x2, 0x70, 0x3e5}, 0x0, 0x0, 0xffffffffffffffff, 0x0) clock_getres(0x0, &(0x7f0000000040)) r0 = socket$inet_udp(0x2, 0x2, 0x0) sendto$inet(r0, &(0x7f0000000000), 0x0, 0x400c000, &(0x7f000083b000)={0x2, 0x4e20}, 0x10) r1 = syz_open_procfs(0x0, &(0x7f0000000080)='net/udp\x00') sendfile(r0, r1, &(0x7f0000000000), 0xff) 03:39:43 executing program 1: r0 = socket$inet6(0xa, 0x1000000000002, 0x0) ioctl(r0, 0x8912, &(0x7f0000000280)="025cc83d6d345f8f762070") syz_mount_image$btrfs(&(0x7f0000000080)='btrfs\x00', &(0x7f0000000100)='./file0\x00', 0x0, 0x1, &(0x7f0000000200)=[{&(0x7f0000000500)="8da4363a00000000fffffff60000004d01000000000000000000000000000000ecf6f2a2299748aeb81e1b00920efd9a000001000000000001000000000000005f42485266535f4dd2f873574f257e0a01e2a6a02f5e071383fa5a669a53f2fe9eb4eb7918628af41b", 0x69, 0x10000}], 0x0, &(0x7f0000000240)) 03:39:43 executing program 4: r0 = socket$nl_xfrm(0x10, 0x3, 0x6) sendmsg$nl_xfrm(r0, &(0x7f0000000400)={&(0x7f0000000040)={0x10}, 0xc, &(0x7f00000001c0)={&(0x7f0000000080)=@updpolicy={0xb8, 0x14, 0x407, 0x0, 0x0, {{@in=@loopback=0x7f000001, @in6=@ipv4={[0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x20000000], [0xff, 0xff], @dev={0xac, 0x14, 0x14}}, 0x0, 0x0, 0x0, 0x0, 0x2}}}, 0xb8}, 0x1}, 0x0) [ 1484.649151] 9pnet: p9_errstr2errno: server reported unknown error  03:39:43 executing program 5: r0 = syz_open_dev$sndseq(&(0x7f0000dcc000)='/dev/snd/seq\x00', 0x0, 0x0) read(r0, &(0x7f0000000280)=""/28, 0x58) ioctl$SNDRV_SEQ_IOCTL_CREATE_PORT(r0, 0xc0a85320, &(0x7f0000418f50)={{0x80}, "0a4ceaa05d9a00000000000000039b3fd4cec307e8ef3d13eb790ec9c65abaf90d229db692542e5b78f8b29e0a27800f0000000000000009fb42f376589701a4", 0xa9824f69d1376637}) ioctl$SNDRV_SEQ_IOCTL_REMOVE_EVENTS(r0, 0x4040534e, &(0x7f000019ffe9)={0xc1}) ioctl$SNDRV_SEQ_IOCTL_SET_PORT_INFO(r0, 0x40a85323, &(0x7f0000000080)={{0x80}, 'port1\x00'}) ioctl$SNDRV_SEQ_IOCTL_SUBSCRIBE_PORT(r0, 0x40505330, &(0x7f0000000140)) openat$sequencer2(0xffffffffffffff9c, &(0x7f0000000040)='/dev/sequencer2\x00', 0x0, 0x0) 03:39:43 executing program 2: r0 = socket$inet6(0xa, 0x1000000000002, 0x0) ioctl(r0, 0x8912, &(0x7f0000000280)="025cc83d6d345f8f762070") syz_mount_image$btrfs(&(0x7f0000000080)='btrfs\x00', &(0x7f0000000100)='./file0\x00', 0x0, 0x1, &(0x7f0000000200)=[{&(0x7f0000000500)="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", 0x116, 0x10000}], 0x0, &(0x7f0000000240)) 03:39:43 executing program 7: sendmsg$IPVS_CMD_FLUSH(0xffffffffffffffff, &(0x7f0000000340)={&(0x7f0000000100)={0x10}, 0xc, &(0x7f00000002c0)={&(0x7f00000001c0)=ANY=[@ANYBLOB='P\x00\x00\x00', @ANYBLOB="00000000000000000000110000002800030014000200697064647030000000000000000000000800040000000000080001000000000014000100080009000000000008005f50e2470000"], 0x2}, 0x1}, 0x0) r0 = socket$nl_generic(0x10, 0x3, 0x10) sendmsg$nl_generic(r0, &(0x7f00003cefe4)={&(0x7f0000000300)={0x10, 0x36200}, 0xc, &(0x7f0000007ff0)={&(0x7f0000000180)={0xffce, 0x2e, 0x6fd, 0x0, 0x0, {0x2004}, [@nested={0xc, 0x0, [@typed={0x62, 0x9, @ipv4}]}]}, 0xffce}, 0x1, 0x0, 0x500000000000000}, 0x0) 03:39:43 executing program 6: perf_event_open(&(0x7f0000000180)={0x2, 0x70, 0x3e5}, 0x0, 0x0, 0xffffffffffffffff, 0x0) ioctl$KVM_CREATE_VM(0xffffffffffffffff, 0xae01, 0x0) pipe2$9p(&(0x7f0000000000)={0xffffffffffffffff, 0xffffffffffffffff}, 0x0) write$P9_RLERRORu(r1, &(0x7f0000000080)=ANY=[@ANYBLOB="1400000007ffff0700"], 0x9) mount$9p_fd(0x0, &(0x7f00000005c0)='./file0\x00', &(0x7f0000000600)='9p\x00', 0x0, &(0x7f0000000640)={'trans=fd,', {'rfdno', 0x3d, r0}, 0x2c, {'wfdno', 0x3d, r1}, 0x2c, {[{@version_9p2000='version=9p2000', 0x2c}]}}) 03:39:43 executing program 4: r0 = socket$nl_xfrm(0x10, 0x3, 0x6) sendmsg$nl_xfrm(r0, &(0x7f0000000400)={&(0x7f0000000040)={0x10}, 0xc, &(0x7f00000001c0)={&(0x7f0000000080)=@updpolicy={0xb8, 0x14, 0x407, 0x0, 0x0, {{@in=@loopback=0x7f000001, @in6=@ipv4={[0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x300], [0xff, 0xff], @dev={0xac, 0x14, 0x14}}, 0x0, 0x0, 0x0, 0x0, 0x2}}}, 0xb8}, 0x1}, 0x0) 03:39:43 executing program 0: perf_event_open(&(0x7f0000000180)={0x2, 0x70, 0x3e5}, 0x0, 0x0, 0xffffffffffffffff, 0x0) r0 = socket$inet_udp(0x2, 0x2, 0x0) r1 = openat$ipvs(0xffffffffffffff9c, &(0x7f0000000040)='/proc/sys/net/ipv4/vs/sync_refresh_period\x00', 0x2, 0x0) r2 = syz_genetlink_get_family_id$ipvs(&(0x7f0000000100)='IPVS\x00') sendmsg$IPVS_CMD_GET_CONFIG(r1, &(0x7f0000000400)={&(0x7f00000000c0)={0x10}, 0xc, &(0x7f0000000140)={&(0x7f0000000200)={0x1c8, r2, 0x20, 0x70bd2a, 0x25dfdbfb, {0xd}, [@IPVS_CMD_ATTR_DAEMON={0x4, 0x3}, @IPVS_CMD_ATTR_SERVICE={0x14, 0x1, [@IPVS_SVC_ATTR_PROTOCOL={0x8, 0x2, 0x2f}, @IPVS_SVC_ATTR_PE_NAME={0x8, 0xb, 'sip\x00'}]}, @IPVS_CMD_ATTR_DAEMON={0x9c, 0x3, [@IPVS_DAEMON_ATTR_MCAST_GROUP={0x8, 0x5, @rand_addr=0x5}, @IPVS_DAEMON_ATTR_MCAST_GROUP6={0x14, 0x6, @remote={0xfe, 0x80, [], 0xbb}}, @IPVS_DAEMON_ATTR_SYNC_MAXLEN={0x8, 0x4, 0x26}, @IPVS_DAEMON_ATTR_MCAST_GROUP6={0x14, 0x6}, @IPVS_DAEMON_ATTR_STATE={0x8, 0x1, 0x5d5a3048f29d7e41}, @IPVS_DAEMON_ATTR_STATE={0x8, 0x1, 0x2}, @IPVS_DAEMON_ATTR_MCAST_GROUP6={0x14, 0x6, @mcast1={0xff, 0x1, [], 0x1}}, @IPVS_DAEMON_ATTR_MCAST_GROUP6={0x14, 0x6, @ipv4={[], [0xff, 0xff]}}, @IPVS_DAEMON_ATTR_MCAST_GROUP6={0x14, 0x6, @ipv4={[], [0xff, 0xff], @local={0xac, 0x14, 0x14, 0xaa}}}, @IPVS_DAEMON_ATTR_MCAST_GROUP6={0x14, 0x6, @ipv4={[], [0xff, 0xff], @local={0xac, 0x14, 0x14, 0xaa}}}]}, @IPVS_CMD_ATTR_DEST={0x48, 0x2, [@IPVS_DEST_ATTR_WEIGHT={0x8, 0x4, 0xfffffffffffffff7}, @IPVS_DEST_ATTR_ACTIVE_CONNS={0x8, 0x7}, @IPVS_DEST_ATTR_WEIGHT={0x8, 0x4, 0x4}, @IPVS_DEST_ATTR_PERSIST_CONNS={0x8, 0x9, 0x3}, @IPVS_DEST_ATTR_ADDR_FAMILY={0x8, 0xb, 0x2}, @IPVS_DEST_ATTR_PERSIST_CONNS={0x8, 0x9, 0x1}, @IPVS_DEST_ATTR_ADDR={0x14, 0x1, @ipv6=@loopback={0x0, 0x1}}]}, @IPVS_CMD_ATTR_TIMEOUT_UDP={0x8, 0x6, 0x200}, @IPVS_CMD_ATTR_SERVICE={0x2c, 0x1, [@IPVS_SVC_ATTR_TIMEOUT={0x8, 0x8, 0x81}, @IPVS_SVC_ATTR_TIMEOUT={0x8, 0x8, 0x80000001}, @IPVS_SVC_ATTR_PE_NAME={0x8, 0xb, 'sip\x00'}, @IPVS_SVC_ATTR_PE_NAME={0x8, 0xb, 'sip\x00'}, @IPVS_SVC_ATTR_FWMARK={0x8, 0x5}]}, @IPVS_CMD_ATTR_TIMEOUT_TCP_FIN={0x8, 0x5, 0x48}, @IPVS_CMD_ATTR_SERVICE={0x64, 0x1, [@IPVS_SVC_ATTR_ADDR={0x14, 0x3, @ipv6=@loopback={0x0, 0x1}}, @IPVS_SVC_ATTR_PORT={0x8, 0x4, 0x4e21}, @IPVS_SVC_ATTR_TIMEOUT={0x8, 0x8, 0x2}, @IPVS_SVC_ATTR_FWMARK={0x8, 0x5, 0x1}, @IPVS_SVC_ATTR_NETMASK={0x8, 0x9, 0x72}, @IPVS_SVC_ATTR_FWMARK={0x8, 0x5, 0x4}, @IPVS_SVC_ATTR_ADDR={0x14, 0x3, @ipv6=@dev={0xfe, 0x80, [], 0xa}}, @IPVS_SVC_ATTR_NETMASK={0x8, 0x9, 0x55}, @IPVS_SVC_ATTR_PORT={0x8, 0x4, 0x4e24}]}, @IPVS_CMD_ATTR_SERVICE={0xc, 0x1, [@IPVS_SVC_ATTR_PORT={0x8, 0x4, 0x4e23}]}, @IPVS_CMD_ATTR_DAEMON={0xc, 0x3, [@IPVS_DAEMON_ATTR_SYNC_ID={0x8, 0x3, 0x1}]}]}, 0x1c8}, 0x1, 0x0, 0x0, 0x20000000}, 0x4) sendto$inet(r0, &(0x7f0000000000), 0x0, 0x400c000, &(0x7f000083b000)={0x2, 0x4e20}, 0x10) r3 = syz_open_procfs(0x0, &(0x7f0000000080)='net/udp\x00') setsockopt$IP6T_SO_SET_ADD_COUNTERS(r1, 0x29, 0x41, &(0x7f0000000440)={'security\x00', 0x3, [{}, {}, {}]}, 0x58) sendfile(r0, r3, &(0x7f0000000000), 0xff) 03:39:43 executing program 1: r0 = socket$inet6(0xa, 0x1000000000002, 0x0) ioctl(r0, 0x8912, &(0x7f0000000280)="025cc83d6d345f8f762070") syz_mount_image$btrfs(&(0x7f0000000080)='btrfs\x00', &(0x7f0000000100)='./file0\x00', 0x0, 0x1, &(0x7f0000000200)=[{&(0x7f0000000500)="8da4363a00000000000115210000004d01000000000000000000000000000000ecf6f2a2299748aeb81e1b00920efd9a000001000000000001000000000000005f42485266535f4dd2f873574f257e0a01e2a6a02f5e071383fa5a669a53f2fe9eb4eb7918628af41b", 0x69, 0x10000}], 0x0, &(0x7f0000000240)) 03:39:43 executing program 3: r0 = socket$inet(0x2, 0x4000000000000001, 0x0) setsockopt$inet_tcp_TCP_CONGESTION(r0, 0x6, 0xd, &(0x7f0000000140)='nv\x00', 0x3) sendto$inet(r0, &(0x7f0000a88f88), 0xfffffffffffffe6e, 0x20000000, &(0x7f0000e68000)={0x2, 0x0, @local={0xac, 0x14, 0x14, 0xaa}, [0x0, 0xa33c0000]}, 0x10) shutdown(r0, 0x0) 03:39:44 executing program 7: sendmsg$IPVS_CMD_FLUSH(0xffffffffffffffff, &(0x7f0000000340)={&(0x7f0000000100)={0x10}, 0xc, &(0x7f00000002c0)={&(0x7f00000001c0)=ANY=[@ANYBLOB='P\x00\x00\x00', @ANYBLOB="00000000000000000000110000002800030014000200697064647030000000000000000000000800040000000000080001000000000014000100080009000000000008005f50e2470000"], 0x2}, 0x1}, 0x0) r0 = socket$nl_generic(0x10, 0x3, 0x10) sendmsg$nl_generic(r0, &(0x7f00003cefe4)={&(0x7f0000000300)={0x10, 0x36200}, 0xc, &(0x7f0000007ff0)={&(0x7f0000000180)={0xffce, 0x2e, 0x6fd, 0x0, 0x0, {0x2004}, [@nested={0xc, 0x0, [@typed={0x62, 0x9, @ipv4}]}]}, 0xffce}, 0x1, 0x0, 0x400300}, 0x0) 03:39:44 executing program 0: perf_event_open(&(0x7f0000000180)={0x2, 0x70, 0x3e5}, 0x0, 0x0, 0xffffffffffffffff, 0x0) r0 = socket$inet_udp(0x2, 0x2, 0x0) r1 = openat$zero(0xffffffffffffff9c, &(0x7f0000000040)='/dev/zero\x00', 0x10000, 0x0) ioctl$TCSETS(r1, 0x5402, &(0x7f00000000c0)={0x0, 0xcc2, 0x100000000, 0x4, 0x3, 0x6, 0x3, 0x0, 0x100000000, 0x3f, 0x200, 0x3}) timer_create(0x6, &(0x7f0000000140)={0x0, 0xe, 0x7, @thr={&(0x7f0000000100)="765bc1018eae517d2c7df5ba4d6704b2b2f43908da7d84e1d1df5948fafb6a645b2a37", &(0x7f0000000200)="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"}}, &(0x7f0000001200)=0x0) timer_delete(r2) syz_open_dev$admmidi(&(0x7f0000001240)='/dev/admmidi#\x00', 0x4, 0x408000) sendto$inet(r0, &(0x7f0000000000), 0x0, 0x400c000, &(0x7f000083b000)={0x2, 0x4e20}, 0x10) r3 = syz_open_procfs(0x0, &(0x7f0000000080)='net/udp\x00') sendfile(r0, r3, &(0x7f0000000000), 0xff) 03:39:44 executing program 4: r0 = socket$nl_xfrm(0x10, 0x3, 0x6) sendmsg$nl_xfrm(r0, &(0x7f0000000400)={&(0x7f0000000040)={0x10}, 0xc, &(0x7f00000001c0)={&(0x7f0000000080)=@updpolicy={0xb8, 0x14, 0x407, 0x0, 0x0, {{@in=@loopback=0x7f000001, @in6=@ipv4={[0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x3723], [0xff, 0xff], @dev={0xac, 0x14, 0x14}}, 0x0, 0x0, 0x0, 0x0, 0x2}}}, 0xb8}, 0x1}, 0x0) [ 1485.589684] nla_parse: 3 callbacks suppressed [ 1485.589693] netlink: 104 bytes leftover after parsing attributes in process `syz-executor4'. [ 1485.620929] BTRFS error (device loop2): unsupported checksum algorithm 3786 [ 1485.628141] BTRFS error (device loop2): superblock checksum mismatch 03:39:44 executing program 6: perf_event_open(&(0x7f0000000180)={0x2, 0x70, 0x3e5}, 0x0, 0x0, 0xffffffffffffffff, 0x0) ioctl$KVM_CREATE_VM(0xffffffffffffffff, 0xae01, 0x0) pipe2$9p(&(0x7f0000000000)={0xffffffffffffffff, 0xffffffffffffffff}, 0x0) write$P9_RLERRORu(r1, &(0x7f0000000040)=ANY=[@ANYBLOB="147cca6a8fffff07005107c31f2df48d466e00d63c9663cab5f0c02c4849200c73cccdb79ffad6ba2509a9b431ceafab20355957b16e24e2fcdbd11e"], 0x9) mkdir(&(0x7f00000000c0)='./file0\x00', 0x0) mount$9p_fd(0x0, &(0x7f00000005c0)='./file0\x00', &(0x7f0000000600)='9p\x00', 0x0, &(0x7f0000000640)={'trans=fd,', {'rfdno', 0x3d, r0}, 0x2c, {'wfdno', 0x3d, r1}, 0x2c, {[{@version_9p2000='version=9p2000', 0x2c}]}}) 03:39:44 executing program 7: sendmsg$IPVS_CMD_FLUSH(0xffffffffffffffff, &(0x7f0000000340)={&(0x7f0000000100)={0x10}, 0xc, &(0x7f00000002c0)={&(0x7f00000001c0)=ANY=[@ANYBLOB='P\x00\x00\x00', @ANYBLOB="00000000000000000000110000002800030014000200697064647030000000000000000000000800040000000000080001000000000014000100080009000000000008005f50e2470000"], 0x2}, 0x1}, 0x0) r0 = socket$nl_generic(0x10, 0x3, 0x10) sendmsg$nl_generic(r0, &(0x7f00003cefe4)={&(0x7f0000000300)={0x10, 0x36200}, 0xc, &(0x7f0000007ff0)={&(0x7f0000000180)={0xffce, 0x2e, 0x6fd, 0x0, 0x0, {0x2004}, [@nested={0xc, 0x0, [@typed={0x62, 0x9, @ipv4}]}]}, 0xffce}, 0x1, 0x0, 0x20000000}, 0x0) 03:39:44 executing program 4: r0 = socket$nl_xfrm(0x10, 0x3, 0x6) sendmsg$nl_xfrm(r0, &(0x7f0000000400)={&(0x7f0000000040)={0x10}, 0xc, &(0x7f00000001c0)={&(0x7f0000000080)=@updpolicy={0xb8, 0x14, 0x407, 0x0, 0x0, {{@in=@loopback=0x7f000001, @in6=@ipv4={[0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x9effffff00000000], [0xff, 0xff], @dev={0xac, 0x14, 0x14}}, 0x0, 0x0, 0x0, 0x0, 0x2}}}, 0xb8}, 0x1}, 0x0) 03:39:44 executing program 0: perf_event_open(&(0x7f0000000180)={0x2, 0x70, 0x3e5}, 0x0, 0x0, 0xffffffffffffffff, 0x0) r0 = socket$inet_udp(0x2, 0x2, 0x0) sendto$inet(r0, &(0x7f0000000000), 0x0, 0x400c000, &(0x7f000083b000)={0x2, 0x4e20}, 0x10) socket$inet6_dccp(0xa, 0x6, 0x0) r1 = syz_open_procfs(0x0, &(0x7f0000000080)='net/udp\x00') ioctl$SG_GET_COMMAND_Q(r1, 0x2270, &(0x7f0000000040)) sendfile(r0, r1, &(0x7f0000000000), 0xff) ioctl$KVM_GET_LAPIC(r1, 0x8400ae8e, &(0x7f0000000200)={"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"}) [ 1485.677575] BTRFS error (device loop2): open_ctree failed [ 1485.688589] netlink: 104 bytes leftover after parsing attributes in process `syz-executor4'. [ 1485.697565] BTRFS error (device loop2): unsupported checksum algorithm 3786 [ 1485.704751] BTRFS error (device loop2): superblock checksum mismatch [ 1485.716005] BTRFS error (device loop2): open_ctree failed 03:39:44 executing program 2: r0 = socket$inet6(0xa, 0x1000000000002, 0x0) ioctl(r0, 0x8912, &(0x7f0000000280)="025cc83d6d345f8f762070") syz_mount_image$btrfs(&(0x7f0000000080)='btrfs\x00', &(0x7f0000000100)='./file0\x00', 0x0, 0x1, &(0x7f0000000200)=[{&(0x7f0000000500)="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", 0x116, 0x10000}], 0x0, &(0x7f0000000240)) [ 1485.759776] netlink: 104 bytes leftover after parsing attributes in process `syz-executor4'. [ 1485.799072] BTRFS error (device loop2): unsupported checksum algorithm 3786 [ 1485.806284] BTRFS error (device loop2): superblock checksum mismatch [ 1485.821799] BTRFS error (device loop2): open_ctree failed [ 1485.848117] BTRFS error (device loop2): unsupported checksum algorithm 3786 [ 1485.855275] BTRFS error (device loop2): superblock checksum mismatch [ 1485.862141] BTRFS error (device loop2): open_ctree failed 03:39:45 executing program 5: r0 = syz_open_dev$sndseq(&(0x7f0000dcc000)='/dev/snd/seq\x00', 0x0, 0x0) read(r0, &(0x7f0000000280)=""/28, 0x58) ioctl$SNDRV_SEQ_IOCTL_CREATE_PORT(r0, 0xc0a85320, &(0x7f0000418f50)={{0x80}, "0a4ceaa05d9a00000000000000039b3fd4cec307e8ef3d13eb790ec9c65abaf90d229db692542e5b78f8b29e0a27800f0000000000000009fb42f376589701a4", 0xa9824f69d1376637, 0x10800a}) ioctl$SNDRV_SEQ_IOCTL_REMOVE_EVENTS(0xffffffffffffffff, 0x4040534e, &(0x7f000019ffe9)={0xc1}) ioctl$SNDRV_SEQ_IOCTL_SET_PORT_INFO(r0, 0x40a85323, &(0x7f0000000080)={{0x80}, 'port1\x00'}) ioctl$SNDRV_SEQ_IOCTL_SUBSCRIBE_PORT(r0, 0x40505330, &(0x7f0000000140)) openat$sequencer2(0xffffffffffffff9c, &(0x7f0000000040)='/dev/sequencer2\x00', 0x0, 0x0) 03:39:45 executing program 7: sendmsg$IPVS_CMD_FLUSH(0xffffffffffffffff, &(0x7f0000000340)={&(0x7f0000000100)={0x10}, 0xc, &(0x7f00000002c0)={&(0x7f00000001c0)=ANY=[@ANYBLOB='P\x00\x00\x00', @ANYBLOB="00000000000000000000110000002800030014000200697064647030000000000000000000000800040000000000080001000000000014000100080009000000000008005f50e2470000"], 0x2}, 0x1}, 0x0) r0 = socket$nl_generic(0x10, 0x3, 0x10) sendmsg$nl_generic(r0, &(0x7f00003cefe4)={&(0x7f0000000300)={0x10, 0x36200}, 0xc, &(0x7f0000007ff0)={&(0x7f0000000180)={0xffce, 0x2e, 0x6fd, 0x0, 0x0, {0x2004}, [@nested={0xc, 0x0, [@typed={0x62, 0x9, @ipv4}]}]}, 0xffce}, 0x1, 0x0, 0xb000000}, 0x0) 03:39:45 executing program 6: perf_event_open(&(0x7f0000000180)={0x2, 0x70, 0x3e5}, 0x0, 0x0, 0xffffffffffffffff, 0x0) ioctl$KVM_CREATE_VM(0xffffffffffffffff, 0xae01, 0x0) pipe2$9p(&(0x7f0000000000)={0xffffffffffffffff, 0xffffffffffffffff}, 0x0) write$P9_RLERRORu(r1, &(0x7f0000000080)=ANY=[@ANYBLOB="1400000007ffff0700"], 0x9) mkdir(&(0x7f0000000440)='./file0\x00', 0x0) openat$ppp(0xffffffffffffff9c, &(0x7f0000000240)='/dev/ppp\x00', 0x14000, 0x0) r2 = syz_open_dev$dmmidi(&(0x7f0000000040)='/dev/dmmidi#\x00', 0x3f, 0x0) sendmsg$nl_crypto(r2, &(0x7f0000000200)={&(0x7f00000000c0)={0x10, 0x0, 0x0, 0x4400000}, 0xc, &(0x7f0000000140)={&(0x7f0000000100)=@delrng={0x10, 0x14, 0x802, 0x70bd27, 0x25dfdbfe, "", ["", "", "", "", ""]}, 0x10}, 0x1, 0x0, 0x0, 0x40}, 0x40054) mount$9p_fd(0x0, &(0x7f00000005c0)='./file0\x00', &(0x7f0000000600)='9p\x00', 0x0, &(0x7f0000000640)={'trans=fd,', {'rfdno', 0x3d, r0}, 0x2c, {'wfdno', 0x3d, r1}, 0x2c, {[{@version_9p2000='version=9p2000', 0x2c}]}}) 03:39:45 executing program 1: r0 = socket$inet6(0xa, 0x1000000000002, 0x0) ioctl(r0, 0x8912, &(0x7f0000000280)="025cc83d6d345f8f762070") syz_mount_image$btrfs(&(0x7f0000000080)='btrfs\x00', &(0x7f0000000100)='./file0\x00', 0x0, 0x1, &(0x7f0000000200)=[{&(0x7f0000000500)="8da4363a00000000d40200000000004d01000000000000000000000000000000ecf6f2a2299748aeb81e1b00920efd9a000001000000000001000000000000005f42485266535f4dd2f873574f257e0a01e2a6a02f5e071383fa5a669a53f2fe9eb4eb7918628af41b", 0x69, 0x10000}], 0x0, &(0x7f0000000240)) 03:39:45 executing program 4: r0 = socket$nl_xfrm(0x10, 0x3, 0x6) sendmsg$nl_xfrm(r0, &(0x7f0000000400)={&(0x7f0000000040)={0x10}, 0xc, &(0x7f00000001c0)={&(0x7f0000000080)=@updpolicy={0xb8, 0x14, 0x407, 0x0, 0x0, {{@in=@loopback=0x7f000001, @in6=@ipv4={[0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x3723000000000000], [0xff, 0xff], @dev={0xac, 0x14, 0x14}}, 0x0, 0x0, 0x0, 0x0, 0x2}}}, 0xb8}, 0x1}, 0x0) 03:39:45 executing program 0: perf_event_open(&(0x7f0000000180)={0x2, 0x70, 0x3e5}, 0x0, 0x0, 0xffffffffffffffff, 0x0) r0 = socket$inet_udp(0x2, 0x2, 0x0) sendto$inet(r0, &(0x7f0000000000), 0x0, 0x400c000, &(0x7f000083b000)={0x2, 0x4e20}, 0x10) ioctl$sock_SIOCOUTQ(r0, 0x5411, &(0x7f0000000040)) r1 = syz_open_procfs(0x0, &(0x7f0000000080)='net/udp\x00') sendfile(r0, r1, &(0x7f0000000000), 0xff) 03:39:45 executing program 2: r0 = socket$inet6(0xa, 0x1000000000002, 0x0) ioctl(r0, 0x8912, &(0x7f0000000280)="025cc83d6d345f8f762070") syz_mount_image$btrfs(&(0x7f0000000080)='btrfs\x00', &(0x7f0000000100)='./file0\x00', 0x0, 0x1, &(0x7f0000000200)=[{&(0x7f0000000500)="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", 0x116, 0x10000}], 0x0, &(0x7f0000000240)) 03:39:45 executing program 3: r0 = socket$inet(0x2, 0x4000000000000001, 0x0) setsockopt$inet_tcp_TCP_CONGESTION(r0, 0x6, 0xd, &(0x7f0000000140)='nv\x00', 0x3) sendto$inet(r0, &(0x7f0000a88f88), 0xfffffffffffffe6e, 0x20000000, &(0x7f0000e68000)={0x2, 0x0, @local={0xac, 0x14, 0x14, 0xaa}, [0x0, 0x218]}, 0x10) shutdown(r0, 0x0) 03:39:45 executing program 7: sendmsg$IPVS_CMD_FLUSH(0xffffffffffffffff, &(0x7f0000000340)={&(0x7f0000000100)={0x10}, 0xc, &(0x7f00000002c0)={&(0x7f00000001c0)=ANY=[@ANYBLOB='P\x00\x00\x00', @ANYBLOB="00000000000000000000110000002800030014000200697064647030000000000000000000000800040000000000080001000000000014000100080009000000000008005f50e2470000"], 0x2}, 0x1}, 0x0) r0 = socket$nl_generic(0x10, 0x3, 0x10) sendmsg$nl_generic(r0, &(0x7f00003cefe4)={&(0x7f0000000300)={0x10, 0x36200}, 0xc, &(0x7f0000007ff0)={&(0x7f0000000180)={0xffce, 0x2e, 0x6fd, 0x0, 0x0, {0x2004}, [@nested={0xc, 0x0, [@typed={0x62, 0x9, @ipv4}]}]}, 0xffce}, 0x1, 0x0, 0x60000000}, 0x0) [ 1486.678336] netlink: 104 bytes leftover after parsing attributes in process `syz-executor4'. [ 1486.695976] 9pnet: p9_errstr2errno: server reported unknown error  [ 1486.709899] print_req_error: I/O error, dev loop1, sector 128 03:39:45 executing program 4: r0 = socket$nl_xfrm(0x10, 0x3, 0x6) sendmsg$nl_xfrm(r0, &(0x7f0000000400)={&(0x7f0000000040)={0x10}, 0xc, &(0x7f00000001c0)={&(0x7f0000000080)=@updpolicy={0xb8, 0x14, 0x407, 0x0, 0x0, {{@in=@loopback=0x7f000001, @in6=@ipv4={[0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x40030000000000], [0xff, 0xff], @dev={0xac, 0x14, 0x14}}, 0x0, 0x0, 0x0, 0x0, 0x2}}}, 0xb8}, 0x1}, 0x0) 03:39:45 executing program 0: perf_event_open(&(0x7f0000000180)={0x2, 0x70, 0x3e5}, 0x0, 0x0, 0xffffffffffffffff, 0x0) r0 = socket$inet_udp(0x2, 0x2, 0x0) r1 = open(&(0x7f0000000040)='./file0\x00', 0x0, 0x2) ioctl$RTC_SET_TIME(r1, 0x4024700a, &(0x7f00000000c0)={0x25, 0x2a, 0x14, 0x18, 0x9, 0x1f, 0x6, 0x10, 0x1}) sendto$inet(r0, &(0x7f0000000000), 0x0, 0x400c000, &(0x7f000083b000)={0x2, 0x4e20}, 0x10) r2 = syz_open_procfs(0x0, &(0x7f0000000080)='net/udp\x00') sendfile(r0, r2, &(0x7f0000000000), 0xff) [ 1486.721974] BTRFS error (device loop2): unsupported checksum algorithm 3786 [ 1486.729151] BTRFS error (device loop2): superblock checksum mismatch [ 1486.749345] BTRFS error (device loop2): open_ctree failed [ 1486.759776] netlink: 104 bytes leftover after parsing attributes in process `syz-executor4'. [ 1486.760469] 9pnet: p9_errstr2errno: server reported unknown error  03:39:45 executing program 7: sendmsg$IPVS_CMD_FLUSH(0xffffffffffffffff, &(0x7f0000000340)={&(0x7f0000000100)={0x10}, 0xc, &(0x7f00000002c0)={&(0x7f00000001c0)=ANY=[@ANYBLOB='P\x00\x00\x00', @ANYBLOB="00000000000000000000110000002800030014000200697064647030000000000000000000000800040000000000080001000000000014000100080009000000000008005f50e2470000"], 0x2}, 0x1}, 0x0) r0 = socket$nl_generic(0x10, 0x3, 0x10) sendmsg$nl_generic(r0, &(0x7f00003cefe4)={&(0x7f0000000300)={0x10, 0x36200}, 0xc, &(0x7f0000007ff0)={&(0x7f0000000180)={0xffce, 0x2e, 0x6fd, 0x0, 0x0, {0x2004}, [@nested={0xc, 0x0, [@typed={0x62, 0x9, @ipv4}]}]}, 0xffce}, 0x1, 0x0, 0x2000}, 0x0) 03:39:45 executing program 4: r0 = socket$nl_xfrm(0x10, 0x3, 0x6) sendmsg$nl_xfrm(r0, &(0x7f0000000400)={&(0x7f0000000040)={0x10}, 0xc, &(0x7f00000001c0)={&(0x7f0000000080)=@updpolicy={0xb8, 0x14, 0x407, 0x0, 0x0, {{@in=@loopback=0x7f000001, @in6=@ipv4={[0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xf0ffffffffffff], [0xff, 0xff], @dev={0xac, 0x14, 0x14}}, 0x0, 0x0, 0x0, 0x0, 0x2}}}, 0xb8}, 0x1}, 0x0) 03:39:45 executing program 2: r0 = socket$inet6(0xa, 0x1000000000002, 0x0) ioctl(r0, 0x8912, &(0x7f0000000280)="025cc83d6d345f8f762070") syz_mount_image$btrfs(&(0x7f0000000080)='btrfs\x00', &(0x7f0000000100)='./file0\x00', 0x0, 0x1, &(0x7f0000000200)=[{&(0x7f0000000500)="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", 0x116, 0x10000}], 0x0, &(0x7f0000000240)) [ 1486.777086] BTRFS error (device loop2): unsupported checksum algorithm 3786 [ 1486.784254] BTRFS error (device loop2): superblock checksum mismatch 03:39:45 executing program 6: perf_event_open(&(0x7f0000000180)={0x2, 0x70, 0x3e5}, 0x0, 0x0, 0xffffffffffffffff, 0x0) r0 = syz_open_dev$sndpcmc(&(0x7f0000000040)='/dev/snd/pcmC#D#c\x00', 0x101, 0x10000) ioctl$KVM_SET_USER_MEMORY_REGION(r0, 0x4020ae46, &(0x7f00000000c0)={0x1ff, 0x3, 0x6000, 0x1000, &(0x7f0000ffe000/0x1000)=nil}) ioctl$KVM_CREATE_VM(0xffffffffffffffff, 0xae01, 0x0) fanotify_mark(r0, 0x20, 0x0, r0, &(0x7f0000000100)='./file0/file0\x00') pipe2$9p(&(0x7f0000000000)={0xffffffffffffffff, 0xffffffffffffffff}, 0x0) write$P9_RLERRORu(r2, &(0x7f0000000080)=ANY=[@ANYBLOB="1400000007ffff0700"], 0x9) mkdir(&(0x7f0000000440)='./file0\x00', 0x0) mount$9p_fd(0x0, &(0x7f00000005c0)='./file0\x00', &(0x7f0000000600)='9p\x00', 0x0, &(0x7f0000000640)={'trans=fd,', {'rfdno', 0x3d, r1}, 0x2c, {'wfdno', 0x3d, r2}, 0x2c, {[{@version_9p2000='version=9p2000', 0x2c}]}}) 03:39:45 executing program 7: sendmsg$IPVS_CMD_FLUSH(0xffffffffffffffff, &(0x7f0000000340)={&(0x7f0000000100)={0x10}, 0xc, &(0x7f00000002c0)={&(0x7f00000001c0)=ANY=[@ANYBLOB='P\x00\x00\x00', @ANYBLOB="00000000000000000000110000002800030014000200697064647030000000000000000000000800040000000000080001000000000014000100080009000000000008005f50e2470000"], 0x2}, 0x1}, 0x0) r0 = socket$nl_generic(0x10, 0x3, 0x10) sendmsg$nl_generic(r0, &(0x7f00003cefe4)={&(0x7f0000000300)={0x10, 0x36200}, 0xc, &(0x7f0000007ff0)={&(0x7f0000000180)={0xffce, 0x2e, 0x6fd, 0x0, 0x0, {0x2004}, [@nested={0xc, 0x0, [@typed={0x62, 0x9, @ipv4}]}]}, 0xffce}, 0x1, 0x0, 0x10}, 0x0) [ 1486.844115] netlink: 104 bytes leftover after parsing attributes in process `syz-executor4'. [ 1486.869258] BTRFS error (device loop2): open_ctree failed [ 1486.889751] 9pnet: p9_errstr2errno: server reported unknown error  03:39:46 executing program 5: r0 = syz_open_dev$sndseq(&(0x7f0000dcc000)='/dev/snd/seq\x00', 0x0, 0x0) read(r0, &(0x7f0000000280)=""/28, 0x58) ioctl$SNDRV_SEQ_IOCTL_CREATE_PORT(r0, 0xc0a85320, &(0x7f0000418f50)={{0x80}, "0a4ceaa05d9a00000000000000039b3fd4cec307e8ef3d13eb790ec9c65abaf90d229db692542e5b78f8b29e0a27800f0000000000000009fb42f376589701a4", 0xa9824f69d1376637, 0x10800a}) ioctl$SNDRV_SEQ_IOCTL_REMOVE_EVENTS(0xffffffffffffffff, 0x4040534e, &(0x7f000019ffe9)={0xc1}) ioctl$SNDRV_SEQ_IOCTL_SET_PORT_INFO(r0, 0x40a85323, &(0x7f0000000080)={{0x80}, 'port1\x00'}) ioctl$SNDRV_SEQ_IOCTL_SUBSCRIBE_PORT(r0, 0x40505330, &(0x7f0000000140)) openat$sequencer2(0xffffffffffffff9c, &(0x7f0000000040)='/dev/sequencer2\x00', 0x0, 0x0) 03:39:46 executing program 0: perf_event_open(&(0x7f0000000180)={0x2, 0x70, 0x3e5}, 0x0, 0x0, 0xffffffffffffffff, 0x0) r0 = socket$inet_udp(0x2, 0x2, 0x0) sendto$inet(r0, &(0x7f0000000000), 0x0, 0x400c000, &(0x7f000083b000)={0x2, 0x4e20}, 0x10) syz_open_dev$loop(&(0x7f0000000040)='/dev/loop#\x00', 0x85, 0x0) r1 = syz_open_procfs(0x0, &(0x7f0000000080)='net/udp\x00') sendfile(r0, r1, &(0x7f0000000000), 0xff) 03:39:46 executing program 2: r0 = socket$inet6(0xa, 0x1000000000002, 0x0) ioctl(r0, 0x8912, &(0x7f0000000280)="025cc83d6d345f8f762070") syz_mount_image$btrfs(&(0x7f0000000080)='btrfs\x00', &(0x7f0000000100)='./file0\x00', 0x0, 0x1, &(0x7f0000000200)=[{&(0x7f0000000500)="8da4363a0000000000006f090000004d01000000000000000000000000000000ecf6f2a2299748aeb81e1b00920efd9a000001000000000001000000000000005f42485266535f4dd2f873574f257e0a01e2a6a02f5e071383fa5a669a53f2fe9eb4eb7918628af41b035fd98372e7c2a6970f550441f0b263dca46c12ce6aaa994fbb4b3493ca901878bb330d2db8e953fc883f9c754f419e963874199295a945ec867b4f224fde52268a81e1154b80f7076f32b6eb8614c672ecdecd385a1a7b8cac7cca0eb0cdbf1c5ee539c37d1f23b763ce55672b8e492664e624e0efe078f2e3aa38061af373a3d160cfbe9b6318577fabec9baa14a9377d7ffef2b72f36353de7db160717b00a6f6055d08594df3bff1ac4f0", 0x116, 0x10000}], 0x0, &(0x7f0000000240)) 03:39:46 executing program 1: r0 = socket$inet6(0xa, 0x1000000000002, 0x0) ioctl(r0, 0x8912, &(0x7f0000000280)="025cc83d6d345f8f762070") syz_mount_image$btrfs(&(0x7f0000000080)='btrfs\x00', &(0x7f0000000100)='./file0\x00', 0x0, 0x1, &(0x7f0000000200)=[{&(0x7f0000000500)="8da4363a00000000000003b20000004d01000000000000000000000000000000ecf6f2a2299748aeb81e1b00920efd9a000001000000000001000000000000005f42485266535f4dd2f873574f257e0a01e2a6a02f5e071383fa5a669a53f2fe9eb4eb7918628af41b", 0x69, 0x10000}], 0x0, &(0x7f0000000240)) 03:39:46 executing program 4: r0 = socket$nl_xfrm(0x10, 0x3, 0x6) sendmsg$nl_xfrm(r0, &(0x7f0000000400)={&(0x7f0000000040)={0x10}, 0xc, &(0x7f00000001c0)={&(0x7f0000000080)=@updpolicy={0xb8, 0x14, 0x407, 0x0, 0x0, {{@in=@loopback=0x7f000001, @in6=@ipv4={[0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xf000], [0xff, 0xff], @dev={0xac, 0x14, 0x14}}, 0x0, 0x0, 0x0, 0x0, 0x2}}}, 0xb8}, 0x1}, 0x0) 03:39:46 executing program 7: sendmsg$IPVS_CMD_FLUSH(0xffffffffffffffff, &(0x7f0000000340)={&(0x7f0000000100)={0x10}, 0xc, &(0x7f00000002c0)={&(0x7f00000001c0)=ANY=[@ANYBLOB='P\x00\x00\x00', @ANYBLOB="00000000000000000000110000002800030014000200697064647030000000000000000000000800040000000000080001000000000014000100080009000000000008005f50e2470000"], 0x2}, 0x1}, 0x0) r0 = socket$nl_generic(0x10, 0x3, 0x10) sendmsg$nl_generic(r0, &(0x7f00003cefe4)={&(0x7f0000000300)={0x10, 0x36200}, 0xc, &(0x7f0000007ff0)={&(0x7f0000000180)={0xffce, 0x2e, 0x6fd, 0x0, 0x0, {0x2004}, [@nested={0xc, 0x0, [@typed={0x62, 0x9, @ipv4}]}]}, 0xffce}, 0x1, 0x0, 0xffffff9e}, 0x0) 03:39:46 executing program 6: r0 = perf_event_open(&(0x7f0000000180)={0x2, 0x70, 0x3e5, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext={0x5, 0x1ff}}, 0x0, 0x0, 0xffffffffffffffff, 0x0) openat$rfkill(0xffffffffffffff9c, &(0x7f0000000040)='/dev/rfkill\x00', 0x2000, 0x0) syz_open_dev$midi(&(0x7f00000000c0)='/dev/midi#\x00', 0x0, 0x0) fcntl$dupfd(r0, 0x0, r0) syz_open_dev$amidi(&(0x7f0000000100)='/dev/amidi#\x00', 0x1ff, 0xc2) ioctl$KVM_CREATE_VM(r0, 0xae01, 0x0) pipe2$9p(&(0x7f0000000000)={0xffffffffffffffff, 0xffffffffffffffff}, 0x0) write$P9_RLERRORu(r2, &(0x7f0000000140)=ANY=[@ANYBLOB="1400000007ffff0700"], 0x9) mkdir(&(0x7f0000000440)='./file0\x00', 0x0) mount$9p_fd(0x0, &(0x7f00000005c0)='./file0\x00', &(0x7f0000000600)='9p\x00', 0x0, &(0x7f0000000200)=ANY=[@ANYBLOB='trans=fd,rfdno=', @ANYRESHEX=r1, @ANYBLOB="000000006160d2b1744f2dd2855d854de441a8a94d060000000b5561fb84b0babdc2156867234e895fdf04e3de5759ad2084fa56525e72e5e9611b2bfe59de9f04e0a4835de78c964c76ac0e4397090000004d3f8d80cbcfaecd371dc72e7f91a3c5de887cb55b0ea5d00ea9cdb6d5e44c100aa760fa3f894c3bd353a960bbe76dc46bfb", @ANYRESHEX=r1, @ANYBLOB=',version=9p2000,\x00']) 03:39:46 executing program 3: r0 = socket$inet(0x2, 0x4000000000000001, 0x0) setsockopt$inet_tcp_TCP_CONGESTION(r0, 0x6, 0xd, &(0x7f0000000140)='nv\x00', 0x3) sendto$inet(r0, &(0x7f0000a88f88), 0xfffffffffffffe6e, 0x20000000, &(0x7f0000e68000)={0x2, 0x0, @local={0xac, 0x14, 0x14, 0xaa}, [0x0, 0x2000000000000000]}, 0x10) shutdown(r0, 0x0) 03:39:46 executing program 0: r0 = perf_event_open(&(0x7f0000000180)={0x8002, 0x70, 0x3e5, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x9, 0x0, 0x0, 0x0, 0x0, 0x4}, 0x0, 0x0, 0xffffffffffffffff, 0x0) r1 = socket$inet_udp(0x2, 0x2, 0x0) sendto$inet(r1, &(0x7f0000000000), 0x0, 0x400c000, &(0x7f000083b000)={0x2, 0x4e20}, 0x10) r2 = syz_open_procfs(0x0, &(0x7f0000000080)='net/udp\x00') r3 = syz_open_dev$admmidi(&(0x7f0000000040)='/dev/admmidi#\x00', 0x7, 0x1) setsockopt$inet6_tcp_buf(r3, 0x6, 0x37, &(0x7f0000000200)="a210115ab92ad9a647173ff73d95994d3c7f6325b3662087517fe1d48faf5870e336912d7ee752b071d645edbb71ced1a12a2b761bd3fcf5a4fded77c3507b9f0062ad79be2eaa9fff30666f1d32080995ecd010294c4e5b4403a5c011a6b484d1594ca7688b5f2fdfc839aadd3198222c63027137fdba2311d7243f7ceb55907b645037c603e8fc894b0be1edd2ac5d061e739bc5b7e74c8841da4cefdb90b759869b2c0eac6d73521ee51d978157ba96e455fd36f09c12627e3058c6e5b1bcd217281e8eeafe34fd7245608fc7854308cd603aa0e0e7e0fc59f6a8c708eaeb13b9ba9b2ec912fec2f259caa22696", 0xef) ioctl$KVM_SET_VCPU_EVENTS(r0, 0x4040aea0, &(0x7f00000000c0)={0x6, 0xd4, 0x8, 0x0, 0x0, 0xfffffffffffffff7, 0xc9c, 0x5f4bb9e1, 0x7fff, 0x6, 0x40, 0xa0f, 0x0, 0x5, 0xff, 0x2, 0x100, 0x3f, 0x6}) sendfile(r1, r2, &(0x7f0000000000), 0xff) [ 1487.692616] netlink: 104 bytes leftover after parsing attributes in process `syz-executor4'. [ 1487.710786] 9pnet: Insufficient options for proto=fd [ 1487.729801] BTRFS error (device loop1): superblock checksum mismatch 03:39:46 executing program 7: sendmsg$IPVS_CMD_FLUSH(0xffffffffffffffff, &(0x7f0000000340)={&(0x7f0000000100)={0x10}, 0xc, &(0x7f00000002c0)={&(0x7f00000001c0)=ANY=[@ANYBLOB='P\x00\x00\x00', @ANYBLOB="00000000000000000000110000002800030014000200697064647030000000000000000000000800040000000000080001000000000014000100080009000000000008005f50e2470000"], 0x2}, 0x1}, 0x0) r0 = socket$nl_generic(0x10, 0x3, 0x10) sendmsg$nl_generic(r0, &(0x7f00003cefe4)={&(0x7f0000000300)={0x10, 0x36200}, 0xc, &(0x7f0000007ff0)={&(0x7f0000000180)={0xffce, 0x2e, 0x6fd, 0x0, 0x0, {0x2004}, [@nested={0xc, 0x0, [@typed={0x62, 0x9, @ipv4}]}]}, 0xffce}, 0x1, 0x0, 0x4000000}, 0x0) 03:39:46 executing program 4: r0 = socket$nl_xfrm(0x10, 0x3, 0x6) sendmsg$nl_xfrm(r0, &(0x7f0000000400)={&(0x7f0000000040)={0x10}, 0xc, &(0x7f00000001c0)={&(0x7f0000000080)=@updpolicy={0xb8, 0x14, 0x407, 0x0, 0x0, {{@in=@loopback=0x7f000001, @in6=@ipv4={[0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xfffffffffffff000], [0xff, 0xff], @dev={0xac, 0x14, 0x14}}, 0x0, 0x0, 0x0, 0x0, 0x2}}}, 0xb8}, 0x1}, 0x0) 03:39:46 executing program 6: socket$nl_route(0x10, 0x3, 0x0) perf_event_open(&(0x7f0000000180)={0x2, 0x70, 0x3e5}, 0x0, 0x0, 0xffffffffffffffff, 0x0) ioctl$KVM_CREATE_VM(0xffffffffffffffff, 0xae01, 0x0) pipe2$9p(&(0x7f0000000000)={0xffffffffffffffff, 0xffffffffffffffff}, 0x0) write$P9_RLERRORu(r1, &(0x7f0000000080)=ANY=[@ANYBLOB="1400000007ffff0700"], 0x9) mkdir(&(0x7f0000000440)='./file0\x00', 0x0) mount$9p_fd(0x0, &(0x7f00000005c0)='./file0\x00', &(0x7f0000000600)='9p\x00', 0x0, &(0x7f0000000640)={'trans=fd,', {'rfdno', 0x3d, r0}, 0x2c, {'wfdno', 0x3d, r1}, 0x2c, {[{@version_9p2000='version=9p2000', 0x2c}]}}) [ 1487.749614] 9pnet: Insufficient options for proto=fd [ 1487.751053] BTRFS error (device loop1): open_ctree failed [ 1487.781645] BTRFS error (device loop1): superblock checksum mismatch 03:39:46 executing program 0: perf_event_open(&(0x7f0000000180)={0x2, 0x70, 0x3e5}, 0x0, 0x0, 0xffffffffffffffff, 0x0) r0 = socket$inet_udp(0x2, 0x2, 0x0) sendto$inet(r0, &(0x7f0000000000), 0x387, 0x40040, &(0x7f000083b000)={0x2, 0x4e20, @broadcast=0xffffffff}, 0x10) r1 = syz_open_procfs(0x0, &(0x7f0000000080)='net/udp\x00') r2 = syz_open_dev$vcsa(&(0x7f0000000040)='/dev/vcsa#\x00', 0x80000000, 0x0) sendfile(r0, r2, &(0x7f0000000000), 0xff) ioctl$LOOP_SET_BLOCK_SIZE(r1, 0x4c09, 0x8000) 03:39:46 executing program 1: r0 = socket$inet6(0xa, 0x1000000000002, 0x0) ioctl(r0, 0x8912, &(0x7f0000000280)="025cc83d6d345f8f762070") syz_mount_image$btrfs(&(0x7f0000000080)='btrfs\x00', &(0x7f0000000100)='./file0\x00', 0x0, 0x1, &(0x7f0000000200)=[{&(0x7f0000000500)="8da4363a000000008cffffff0000004d01000000000000000000000000000000ecf6f2a2299748aeb81e1b00920efd9a000001000000000001000000000000005f42485266535f4dd2f873574f257e0a01e2a6a02f5e071383fa5a669a53f2fe9eb4eb7918628af41b", 0x69, 0x10000}], 0x0, &(0x7f0000000240)) [ 1487.801931] BTRFS error (device loop1): open_ctree failed [ 1487.816568] netlink: 104 bytes leftover after parsing attributes in process `syz-executor4'. [ 1487.839242] 9pnet: p9_errstr2errno: server reported unknown error  03:39:46 executing program 7: sendmsg$IPVS_CMD_FLUSH(0xffffffffffffffff, &(0x7f0000000340)={&(0x7f0000000100)={0x10}, 0xc, &(0x7f00000002c0)={&(0x7f00000001c0)=ANY=[@ANYBLOB='P\x00\x00\x00', @ANYBLOB="00000000000000000000110000002800030014000200697064647030000000000000000000000800040000000000080001000000000014000100080009000000000008005f50e2470000"], 0x2}, 0x1}, 0x0) r0 = socket$nl_generic(0x10, 0x3, 0x10) sendmsg$nl_generic(r0, &(0x7f00003cefe4)={&(0x7f0000000300)={0x10, 0x36200}, 0xc, &(0x7f0000007ff0)={&(0x7f0000000180)={0xffce, 0x2e, 0x6fd, 0x0, 0x0, {0x2004}, [@nested={0xc, 0x0, [@typed={0x62, 0x9, @ipv4}]}]}, 0xffce}, 0x1, 0x0, 0x5000000}, 0x0) 03:39:46 executing program 6: perf_event_open(&(0x7f0000000180)={0x2, 0x70, 0x3e5}, 0x0, 0x0, 0xffffffffffffffff, 0x0) socket$inet_udp(0x2, 0x2, 0x0) ioctl$KVM_CREATE_VM(0xffffffffffffffff, 0xae01, 0x0) pipe2$9p(&(0x7f0000000000)={0xffffffffffffffff, 0xffffffffffffffff}, 0x0) write$P9_RLERRORu(r1, &(0x7f0000000080)=ANY=[@ANYBLOB="1400000007ffff0700"], 0x9) mkdir(&(0x7f0000000440)='./file0\x00', 0x0) mount$9p_fd(0x0, &(0x7f00000005c0)='./file0\x00', &(0x7f0000000600)='9p\x00', 0x0, &(0x7f0000000640)={'trans=fd,', {'rfdno', 0x3d, r0}, 0x2c, {'wfdno', 0x3d, r1}, 0x2c, {[{@version_9p2000='version=9p2000', 0x2c}]}}) [ 1487.852313] BTRFS error (device loop2): unsupported checksum algorithm 3786 [ 1487.859496] BTRFS error (device loop2): superblock checksum mismatch [ 1487.894475] BTRFS error (device loop2): open_ctree failed [ 1487.922024] 9pnet: p9_errstr2errno: server reported unknown error  [ 1487.932744] BTRFS error (device loop1): superblock checksum mismatch [ 1487.958079] BTRFS error (device loop1): open_ctree failed 03:39:46 executing program 5: r0 = syz_open_dev$sndseq(&(0x7f0000dcc000)='/dev/snd/seq\x00', 0x0, 0x0) read(r0, &(0x7f0000000280)=""/28, 0x58) ioctl$SNDRV_SEQ_IOCTL_CREATE_PORT(r0, 0xc0a85320, &(0x7f0000418f50)={{0x80}, "0a4ceaa05d9a00000000000000039b3fd4cec307e8ef3d13eb790ec9c65abaf90d229db692542e5b78f8b29e0a27800f0000000000000009fb42f376589701a4", 0xa9824f69d1376637, 0x10800a}) ioctl$SNDRV_SEQ_IOCTL_REMOVE_EVENTS(0xffffffffffffffff, 0x4040534e, &(0x7f000019ffe9)={0xc1}) ioctl$SNDRV_SEQ_IOCTL_SET_PORT_INFO(r0, 0x40a85323, &(0x7f0000000080)={{0x80}, 'port1\x00'}) ioctl$SNDRV_SEQ_IOCTL_SUBSCRIBE_PORT(r0, 0x40505330, &(0x7f0000000140)) openat$sequencer2(0xffffffffffffff9c, &(0x7f0000000040)='/dev/sequencer2\x00', 0x0, 0x0) 03:39:47 executing program 0: perf_event_open(&(0x7f0000000180)={0x2, 0x70, 0x3e5}, 0x0, 0x0, 0xffffffffffffffff, 0x0) r0 = socket$inet_udp(0x2, 0x2, 0x0) r1 = creat(&(0x7f0000000140)='./file0\x00', 0x5) ioctl$SNDRV_SEQ_IOCTL_PVERSION(r1, 0x80045300, &(0x7f0000000200)) r2 = syz_open_dev$vcsn(&(0x7f0000000040)='/dev/vcs#\x00', 0x0, 0x200) epoll_pwait(r2, &(0x7f00000000c0)=[{}], 0x1, 0x3, &(0x7f0000000100)={0x9b52}, 0x8) r3 = syz_open_procfs(0x0, &(0x7f0000000080)='net/udp\x00') sendfile(r0, r3, &(0x7f0000000000)=0x10, 0x101) 03:39:47 executing program 4: r0 = socket$nl_xfrm(0x10, 0x3, 0x6) sendmsg$nl_xfrm(r0, &(0x7f0000000400)={&(0x7f0000000040)={0x10}, 0xc, &(0x7f00000001c0)={&(0x7f0000000080)=@updpolicy={0xb8, 0x14, 0x407, 0x0, 0x0, {{@in=@loopback=0x7f000001, @in6=@ipv4={[0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x400300], [0xff, 0xff], @dev={0xac, 0x14, 0x14}}, 0x0, 0x0, 0x0, 0x0, 0x2}}}, 0xb8}, 0x1}, 0x0) 03:39:47 executing program 7: sendmsg$IPVS_CMD_FLUSH(0xffffffffffffffff, &(0x7f0000000340)={&(0x7f0000000100)={0x10}, 0xc, &(0x7f00000002c0)={&(0x7f00000001c0)=ANY=[@ANYBLOB='P\x00\x00\x00', @ANYBLOB="00000000000000000000110000002800030014000200697064647030000000000000000000000800040000000000080001000000000014000100080009000000000008005f50e2470000"], 0x2}, 0x1}, 0x0) r0 = socket$nl_generic(0x10, 0x3, 0x10) sendmsg$nl_generic(r0, &(0x7f00003cefe4)={&(0x7f0000000300)={0x10, 0x36200}, 0xc, &(0x7f0000007ff0)={&(0x7f0000000180)={0xffce, 0x2e, 0x6fd, 0x0, 0x0, {0x2004}, [@nested={0xc, 0x0, [@typed={0x62, 0x9, @ipv4}]}]}, 0xffce}, 0x1, 0x0, 0xf00000000000000}, 0x0) 03:39:47 executing program 2: r0 = socket$inet6(0xa, 0x1000000000002, 0x0) ioctl(r0, 0x8912, &(0x7f0000000280)="025cc83d6d345f8f762070") syz_mount_image$btrfs(&(0x7f0000000080)='btrfs\x00', &(0x7f0000000100)='./file0\x00', 0x0, 0x1, &(0x7f0000000200)=[{&(0x7f0000000500)="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", 0x116, 0x10000}], 0x0, &(0x7f0000000240)) 03:39:47 executing program 6: r0 = perf_event_open(&(0x7f0000000180)={0x2, 0x70, 0x3e5}, 0x0, 0x0, 0xffffffffffffffff, 0x0) ioctl$KVM_CREATE_VM(0xffffffffffffffff, 0xae01, 0x0) pipe2$9p(&(0x7f0000000000)={0xffffffffffffffff, 0xffffffffffffffff}, 0x0) write$P9_RLERRORu(r2, &(0x7f0000000080)=ANY=[@ANYBLOB="1400000007ffff0700"], 0x9) mkdir(&(0x7f0000000440)='./file0\x00', 0x0) r3 = dup2(r1, r0) setsockopt$netlink_NETLINK_CAP_ACK(r3, 0x10e, 0xa, &(0x7f0000000040)=0xffffffffffffff8e, 0x4) getdents(r3, &(0x7f00000000c0)=""/66, 0x42) mount$9p_fd(0x0, &(0x7f00000005c0)='./file0\x00', &(0x7f0000000600)='9p\x00', 0x0, &(0x7f0000000640)={'trans=fd,', {'rfdno', 0x3d, r1}, 0x2c, {'wfdno', 0x3d, r2}, 0x2c, {[{@version_9p2000='version=9p2000', 0x2c}]}}) 03:39:47 executing program 1: r0 = socket$inet6(0xa, 0x1000000000002, 0x0) ioctl(r0, 0x8912, &(0x7f0000000280)="025cc83d6d345f8f762070") syz_mount_image$btrfs(&(0x7f0000000080)='btrfs\x00', &(0x7f0000000100)='./file0\x00', 0x0, 0x1, &(0x7f0000000200)=[{&(0x7f0000000500)="8da4363a0000000002ac00000000004d01000000000000000000000000000000ecf6f2a2299748aeb81e1b00920efd9a000001000000000001000000000000005f42485266535f4dd2f873574f257e0a01e2a6a02f5e071383fa5a669a53f2fe9eb4eb7918628af41b", 0x69, 0x10000}], 0x0, &(0x7f0000000240)) 03:39:47 executing program 3: r0 = socket$inet(0x2, 0x4000000000000001, 0x0) setsockopt$inet_tcp_TCP_CONGESTION(r0, 0x6, 0xd, &(0x7f0000000140)='nv\x00', 0x3) sendto$inet(r0, &(0x7f0000a88f88), 0xfffffffffffffe6e, 0x20000000, &(0x7f0000e68000)={0x2, 0x0, @local={0xac, 0x14, 0x14, 0xaa}, [0x0, 0x300]}, 0x10) shutdown(r0, 0x0) [ 1488.684177] netlink: 104 bytes leftover after parsing attributes in process `syz-executor4'. [ 1488.697212] 9pnet: p9_errstr2errno: server reported unknown error  [ 1488.717015] BTRFS error (device loop1): superblock checksum mismatch 03:39:47 executing program 7: sendmsg$IPVS_CMD_FLUSH(0xffffffffffffffff, &(0x7f0000000340)={&(0x7f0000000100)={0x10}, 0xc, &(0x7f00000002c0)={&(0x7f00000001c0)=ANY=[@ANYBLOB='P\x00\x00\x00', @ANYBLOB="00000000000000000000110000002800030014000200697064647030000000000000000000000800040000000000080001000000000014000100080009000000000008005f50e2470000"], 0x2}, 0x1}, 0x0) r0 = socket$nl_generic(0x10, 0x3, 0x10) sendmsg$nl_generic(r0, &(0x7f00003cefe4)={&(0x7f0000000300)={0x10, 0x36200}, 0xc, &(0x7f0000007ff0)={&(0x7f0000000180)={0xffce, 0x2e, 0x6fd, 0x0, 0x0, {0x2004}, [@nested={0xc, 0x0, [@typed={0x62, 0x9, @ipv4}]}]}, 0xffce}, 0x1, 0x0, 0x6800000000000000}, 0x0) 03:39:47 executing program 0: perf_event_open(&(0x7f0000000180)={0x2, 0x70, 0x3e5, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x27, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x10000, 0x0, 0x80000000000000, 0x0, 0x800, 0x0, 0x0, 0x0, 0x0, 0x0, 0xffffffffffffffff, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext={0x510, 0x3f}}, 0x0, 0x0, 0xffffffffffffffff, 0x0) r0 = socket$inet_udp(0x2, 0x2, 0x0) sendto$inet(r0, &(0x7f0000000000), 0x0, 0x400c000, &(0x7f000083b000)={0x2, 0x4e20}, 0x10) r1 = syz_open_procfs(0x0, &(0x7f0000000080)='net/udp\x00') ioctl$RTC_VL_CLR(r1, 0x7014) r2 = semget(0x0, 0x4, 0x82) semctl$GETZCNT(r2, 0x2, 0xf, &(0x7f00000000c0)=""/81) sendfile(r0, r1, &(0x7f0000000000), 0xff) 03:39:47 executing program 4: r0 = socket$nl_xfrm(0x10, 0x3, 0x6) sendmsg$nl_xfrm(r0, &(0x7f0000000400)={&(0x7f0000000040)={0x10}, 0xc, &(0x7f00000001c0)={&(0x7f0000000080)=@updpolicy={0xb8, 0x14, 0x407, 0x0, 0x0, {{@in=@loopback=0x7f000001, @in6=@ipv4={[0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xf0ffffff], [0xff, 0xff], @dev={0xac, 0x14, 0x14}}, 0x0, 0x0, 0x0, 0x0, 0x2}}}, 0xb8}, 0x1}, 0x0) 03:39:47 executing program 6: perf_event_open(&(0x7f0000000180)={0x2, 0x70, 0x3e5}, 0x0, 0x0, 0xffffffffffffffff, 0x0) r0 = ioctl$KVM_CREATE_VM(0xffffffffffffffff, 0xae01, 0x0) pipe2$9p(&(0x7f0000000000)={0xffffffffffffffff, 0xffffffffffffffff}, 0x0) write$P9_RLERRORu(r2, &(0x7f0000000080)=ANY=[@ANYBLOB="1400000007ffff0700"], 0x9) mkdir(&(0x7f0000000440)='./file0\x00', 0x0) mount$9p_fd(0x0, &(0x7f00000005c0)='./file0\x00', &(0x7f0000000600)='9p\x00', 0x0, &(0x7f0000000640)=ANY=[@ANYBLOB='trans=fd,rfdno=', @ANYRESHEX=r1, @ANYBLOB=',wfdno=', @ANYRESHEX=r2, @ANYBLOB="2c76657273696f6e3d3930302c02000000"]) ioctl$KVM_ASSIGN_SET_INTX_MASK(r0, 0x4040aea4, &(0x7f0000000040)={0x4, 0xffffffffffffcde4, 0x200, 0x3, 0x81}) [ 1488.731585] 9pnet: p9_errstr2errno: server reported unknown error  [ 1488.741432] BTRFS error (device loop1): open_ctree failed [ 1488.758723] BTRFS error (device loop1): superblock checksum mismatch [ 1488.775021] BTRFS error (device loop1): open_ctree failed 03:39:47 executing program 7: sendmsg$IPVS_CMD_FLUSH(0xffffffffffffffff, &(0x7f0000000340)={&(0x7f0000000100)={0x10}, 0xc, &(0x7f00000002c0)={&(0x7f00000001c0)=ANY=[@ANYBLOB='P\x00\x00\x00', @ANYBLOB="00000000000000000000110000002800030014000200697064647030000000000000000000000800040000000000080001000000000014000100080009000000000008005f50e2470000"], 0x2}, 0x1}, 0x0) r0 = socket$nl_generic(0x10, 0x3, 0x10) sendmsg$nl_generic(r0, &(0x7f00003cefe4)={&(0x7f0000000300)={0x10, 0x36200}, 0xc, &(0x7f0000007ff0)={&(0x7f0000000180)={0xffce, 0x2e, 0x6fd, 0x0, 0x0, {0x2004}, [@nested={0xc, 0x0, [@typed={0x62, 0x9, @ipv4}]}]}, 0xffce}, 0x1, 0x0, 0x48000000}, 0x0) 03:39:47 executing program 2: r0 = socket$inet6(0xa, 0x1000000000002, 0x0) ioctl(r0, 0x8912, &(0x7f0000000280)="025cc83d6d345f8f762070") syz_mount_image$btrfs(&(0x7f0000000080)='btrfs\x00', &(0x7f0000000100)='./file0\x00', 0x0, 0x1, &(0x7f0000000200)=[{&(0x7f0000000500)="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", 0x116, 0x10000}], 0x0, &(0x7f0000000240)) [ 1488.794427] netlink: 104 bytes leftover after parsing attributes in process `syz-executor4'. [ 1488.803183] BTRFS error (device loop1): superblock checksum mismatch [ 1488.830283] BTRFS error (device loop1): open_ctree failed [ 1488.839200] 9pnet: Unknown protocol version 900 03:39:47 executing program 0: perf_event_open(&(0x7f0000000180)={0x2, 0x70, 0x3e5, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x200}, 0x0, 0x0, 0xffffffffffffffff, 0x0) r0 = socket$inet_udp(0x2, 0x2, 0x0) sendto$inet(r0, &(0x7f0000000000), 0x0, 0x400c000, &(0x7f000083b000)={0x2, 0x4e20}, 0x10) r1 = syz_open_procfs(0x0, &(0x7f0000000080)='net/udp\x00') sendfile(r0, r1, &(0x7f0000000000), 0xff) 03:39:47 executing program 1: r0 = socket$inet6(0xa, 0x1000000000002, 0x0) ioctl(r0, 0x8912, &(0x7f0000000280)="025cc83d6d345f8f762070") syz_mount_image$btrfs(&(0x7f0000000080)='btrfs\x00', &(0x7f0000000100)='./file0\x00', 0x0, 0x1, &(0x7f0000000200)=[{&(0x7f0000000500)="8da4363a0000000003d600000000004d01000000000000000000000000000000ecf6f2a2299748aeb81e1b00920efd9a000001000000000001000000000000005f42485266535f4dd2f873574f257e0a01e2a6a02f5e071383fa5a669a53f2fe9eb4eb7918628af41b", 0x69, 0x10000}], 0x0, &(0x7f0000000240)) [ 1488.884455] 9pnet: Unknown protocol version 900 [ 1488.910865] BTRFS error (device loop2): unsupported checksum algorithm 3786 [ 1488.918164] BTRFS error (device loop2): superblock checksum mismatch [ 1488.930946] BTRFS error (device loop2): open_ctree failed [ 1488.937956] BTRFS error (device loop1): superblock checksum mismatch [ 1488.950423] BTRFS error (device loop1): open_ctree failed 03:39:47 executing program 5: r0 = syz_open_dev$sndseq(&(0x7f0000dcc000)='/dev/snd/seq\x00', 0x0, 0x0) read(r0, &(0x7f0000000280)=""/28, 0x58) ioctl$SNDRV_SEQ_IOCTL_CREATE_PORT(r0, 0xc0a85320, &(0x7f0000418f50)={{0x80}, "0a4ceaa05d9a00000000000000039b3fd4cec307e8ef3d13eb790ec9c65abaf90d229db692542e5b78f8b29e0a27800f0000000000000009fb42f376589701a4", 0xa9824f69d1376637, 0x10800a}) ioctl$SNDRV_SEQ_IOCTL_REMOVE_EVENTS(r0, 0x4040534e, &(0x7f000019ffe9)) ioctl$SNDRV_SEQ_IOCTL_SET_PORT_INFO(r0, 0x40a85323, &(0x7f0000000080)={{0x80}, 'port1\x00'}) ioctl$SNDRV_SEQ_IOCTL_SUBSCRIBE_PORT(r0, 0x40505330, &(0x7f0000000140)) openat$sequencer2(0xffffffffffffff9c, &(0x7f0000000040)='/dev/sequencer2\x00', 0x0, 0x0) 03:39:47 executing program 4: r0 = socket$nl_xfrm(0x10, 0x3, 0x6) sendmsg$nl_xfrm(r0, &(0x7f0000000400)={&(0x7f0000000040)={0x10}, 0xc, &(0x7f00000001c0)={&(0x7f0000000080)=@updpolicy={0xb8, 0x14, 0x407, 0x0, 0x0, {{@in=@loopback=0x7f000001, @in6=@ipv4={[0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xf0ffff], [0xff, 0xff], @dev={0xac, 0x14, 0x14}}, 0x0, 0x0, 0x0, 0x0, 0x2}}}, 0xb8}, 0x1}, 0x0) 03:39:47 executing program 7: sendmsg$IPVS_CMD_FLUSH(0xffffffffffffffff, &(0x7f0000000340)={&(0x7f0000000100)={0x10}, 0xc, &(0x7f00000002c0)={&(0x7f00000001c0)=ANY=[@ANYBLOB='P\x00\x00\x00', @ANYBLOB="00000000000000000000110000002800030014000200697064647030000000000000000000000800040000000000080001000000000014000100080009000000000008005f50e2470000"], 0x2}, 0x1}, 0x0) r0 = socket$nl_generic(0x10, 0x3, 0x10) sendmsg$nl_generic(r0, &(0x7f00003cefe4)={&(0x7f0000000300)={0x10, 0x36200}, 0xc, &(0x7f0000007ff0)={&(0x7f0000000180)={0xffce, 0x2e, 0x6fd, 0x0, 0x0, {0x2004}, [@nested={0xc, 0x0, [@typed={0x62, 0x9, @ipv4}]}]}, 0xffce}, 0x1, 0x0, 0x9}, 0x0) 03:39:47 executing program 6: perf_event_open(&(0x7f0000000180)={0x2, 0x70, 0x3e5}, 0x0, 0x0, 0xffffffffffffffff, 0x0) ioctl$KVM_CREATE_VM(0xffffffffffffffff, 0xae01, 0x0) pipe2$9p(&(0x7f0000000000)={0xffffffffffffffff, 0xffffffffffffffff}, 0x0) write$P9_RLERRORu(r1, &(0x7f0000000080)=ANY=[@ANYBLOB="1400000007ffff0700"], 0x9) mkdir(&(0x7f0000000440)='./file0\x00', 0x0) mount$9p_fd(0x0, &(0x7f00000005c0)='./file0\x00', &(0x7f0000000600)='9p\x00', 0x0, &(0x7f0000000640)=ANY=[@ANYBLOB="7472616e733d66642c72040000003d", @ANYRESHEX=r0, @ANYBLOB=',wfdno=', @ANYRESHEX=r1, @ANYBLOB=',version=9p2000,\x00']) 03:39:47 executing program 0: socketpair$inet_icmp_raw(0x2, 0x3, 0x1, &(0x7f0000000040)) r0 = perf_event_open(&(0x7f0000000180)={0x2, 0x70, 0x3e5}, 0x0, 0x0, 0xffffffffffffffff, 0x0) r1 = socket$inet_udp(0x2, 0x2, 0x0) sendto$inet(r1, &(0x7f0000000000), 0x0, 0x400c000, &(0x7f000083b000)={0x2, 0x4e20}, 0x10) r2 = syz_open_procfs(0x0, &(0x7f0000000080)='net/udp\x00') sendfile(r0, r0, &(0x7f00000000c0), 0x2) sendfile(r1, r2, &(0x7f0000000000), 0xff) 03:39:47 executing program 2: r0 = socket$inet6(0xa, 0x1000000000002, 0x0) ioctl(r0, 0x8912, &(0x7f0000000280)="025cc83d6d345f8f762070") syz_mount_image$btrfs(&(0x7f0000000080)='btrfs\x00', &(0x7f0000000100)='./file0\x00', 0x0, 0x1, &(0x7f0000000200)=[{&(0x7f0000000500)="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", 0x116, 0x10000}], 0x0, &(0x7f0000000240)) 03:39:47 executing program 1: r0 = socket$inet6(0xa, 0x1000000000002, 0x0) ioctl(r0, 0x8912, &(0x7f0000000280)="025cc83d6d345f8f762070") syz_mount_image$btrfs(&(0x7f0000000080)='btrfs\x00', &(0x7f0000000100)='./file0\x00', 0x0, 0x1, &(0x7f0000000200)=[{&(0x7f0000000500)="8da4363a00000000f6ffffff0000004d01000000000000000000000000000000ecf6f2a2299748aeb81e1b00920efd9a000001000000000001000000000000005f42485266535f4dd2f873574f257e0a01e2a6a02f5e071383fa5a669a53f2fe9eb4eb7918628af41b", 0x69, 0x10000}], 0x0, &(0x7f0000000240)) 03:39:47 executing program 3: r0 = socket$inet(0x2, 0x4000000000000001, 0x0) setsockopt$inet_tcp_TCP_CONGESTION(r0, 0x6, 0xd, &(0x7f0000000140)='nv\x00', 0x3) sendto$inet(r0, &(0x7f0000a88f88), 0xfffffffffffffe6e, 0x20000000, &(0x7f0000e68000)={0x2, 0x0, @local={0xac, 0x14, 0x14, 0xaa}, [0x0, 0x4000000]}, 0x10) shutdown(r0, 0x0) 03:39:48 executing program 7: sendmsg$IPVS_CMD_FLUSH(0xffffffffffffffff, &(0x7f0000000340)={&(0x7f0000000100)={0x10}, 0xc, &(0x7f00000002c0)={&(0x7f00000001c0)=ANY=[@ANYBLOB='P\x00\x00\x00', @ANYBLOB="00000000000000000000110000002800030014000200697064647030000000000000000000000800040000000000080001000000000014000100080009000000000008005f50e2470000"], 0x2}, 0x1}, 0x0) r0 = socket$nl_generic(0x10, 0x3, 0x10) sendmsg$nl_generic(r0, &(0x7f00003cefe4)={&(0x7f0000000300)={0x10, 0x36200}, 0xc, &(0x7f0000007ff0)={&(0x7f0000000180)={0xffce, 0x2e, 0x6fd, 0x0, 0x0, {0x2004}, [@nested={0xc, 0x0, [@typed={0x62, 0x9, @ipv4}]}]}, 0xffce}, 0x1, 0x0, 0x8}, 0x0) 03:39:48 executing program 4: r0 = socket$nl_xfrm(0x10, 0x3, 0x6) sendmsg$nl_xfrm(r0, &(0x7f0000000400)={&(0x7f0000000040)={0x10}, 0xc, &(0x7f00000001c0)={&(0x7f0000000080)=@updpolicy={0xb8, 0x14, 0x407, 0x0, 0x0, {{@in=@loopback=0x7f000001, @in6=@ipv4={[0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x2], [0xff, 0xff], @dev={0xac, 0x14, 0x14}}, 0x0, 0x0, 0x0, 0x0, 0x2}}}, 0xb8}, 0x1}, 0x0) [ 1489.665152] 9pnet: Insufficient options for proto=fd [ 1489.673730] BTRFS error (device loop2): unsupported checksum algorithm 3786 [ 1489.680928] BTRFS error (device loop2): superblock checksum mismatch [ 1489.695577] BTRFS error (device loop2): open_ctree failed [ 1489.704060] BTRFS error (device loop2): unsupported checksum algorithm 3786 03:39:48 executing program 6: perf_event_open(&(0x7f0000000180)={0x2, 0x70, 0x3e5}, 0x0, 0x0, 0xffffffffffffffff, 0x0) ioctl$KVM_CREATE_VM(0xffffffffffffffff, 0xae01, 0x0) pipe2$9p(&(0x7f0000000000)={0xffffffffffffffff, 0xffffffffffffffff}, 0x0) write$P9_RLERRORu(r1, &(0x7f0000000080)=ANY=[@ANYBLOB="5cdafe32b54af68a00"], 0x9) mkdir(&(0x7f0000000440)='./file0\x00', 0x0) mount$9p_fd(0x0, &(0x7f00000005c0)='./file0\x00', &(0x7f0000000600)='9p\x00', 0x0, &(0x7f0000000640)={'trans=fd,', {'rfdno', 0x3d, r0}, 0x2c, {'wfdno', 0x3d, r1}, 0x2c, {[{@version_9p2000='version=9p2000', 0x2c}]}}) 03:39:48 executing program 0: perf_event_open(&(0x7f0000000180)={0x2, 0x70, 0x3e5}, 0x0, 0x0, 0xffffffffffffffff, 0x0) r0 = socket$inet_udp(0x2, 0x2, 0x0) sendto$inet(r0, &(0x7f0000000000), 0x0, 0x400c000, &(0x7f000083b000)={0x2, 0x4e20}, 0x10) open(&(0x7f0000000100)='./file0\x00', 0x400, 0x31) r1 = openat$sequencer2(0xffffffffffffff9c, &(0x7f0000000040)='/dev/sequencer2\x00', 0x80, 0x0) ioctl$KVM_DEASSIGN_DEV_IRQ(r1, 0x4040ae75, &(0x7f00000000c0)={0x7fff, 0x7, 0x1000, 0x400}) r2 = syz_open_procfs(0x0, &(0x7f0000000080)='net/udp\x00') sendfile(r0, r2, &(0x7f0000000000), 0xff) [ 1489.711287] BTRFS error (device loop2): superblock checksum mismatch 03:39:48 executing program 4: r0 = socket$nl_xfrm(0x10, 0x3, 0x6) sendmsg$nl_xfrm(r0, &(0x7f0000000400)={&(0x7f0000000040)={0x10}, 0xc, &(0x7f00000001c0)={&(0x7f0000000080)=@updpolicy={0xb8, 0x14, 0x407, 0x0, 0x0, {{@in=@loopback=0x7f000001, @in6=@ipv4={[0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x34000], [0xff, 0xff], @dev={0xac, 0x14, 0x14}}, 0x0, 0x0, 0x0, 0x0, 0x2}}}, 0xb8}, 0x1}, 0x0) 03:39:48 executing program 7: sendmsg$IPVS_CMD_FLUSH(0xffffffffffffffff, &(0x7f0000000340)={&(0x7f0000000100)={0x10}, 0xc, &(0x7f00000002c0)={&(0x7f00000001c0)=ANY=[@ANYBLOB='P\x00\x00\x00', @ANYBLOB="00000000000000000000110000002800030014000200697064647030000000000000000000000800040000000000080001000000000014000100080009000000000008005f50e2470000"], 0x2}, 0x1}, 0x0) r0 = socket$nl_generic(0x10, 0x3, 0x10) sendmsg$nl_generic(r0, &(0x7f00003cefe4)={&(0x7f0000000300)={0x10, 0x36200}, 0xc, &(0x7f0000007ff0)={&(0x7f0000000180)={0xffce, 0x2e, 0x6fd, 0x0, 0x0, {0x2004}, [@nested={0xc, 0x0, [@typed={0x62, 0x9, @ipv4}]}]}, 0xffce}, 0x1, 0x0, 0xf}, 0x0) 03:39:48 executing program 2: r0 = socket$inet6(0xa, 0x1000000000002, 0x0) ioctl(r0, 0x8912, &(0x7f0000000280)="025cc83d6d345f8f762070") syz_mount_image$btrfs(&(0x7f0000000080)='btrfs\x00', &(0x7f0000000100)='./file0\x00', 0x0, 0x1, &(0x7f0000000200)=[{&(0x7f0000000500)="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", 0x116, 0x10000}], 0x0, &(0x7f0000000240)) [ 1489.744640] BTRFS error (device loop2): open_ctree failed [ 1489.762817] BTRFS error (device loop1): superblock checksum mismatch 03:39:48 executing program 6: r0 = perf_event_open(&(0x7f0000000180)={0x2, 0x70, 0x3e5}, 0x0, 0x0, 0xffffffffffffffff, 0x0) ioctl$KVM_CREATE_VM(0xffffffffffffffff, 0xae01, 0x0) pipe2$9p(&(0x7f0000000000)={0xffffffffffffffff, 0xffffffffffffffff}, 0x0) write$P9_RLERRORu(r2, &(0x7f0000000080)=ANY=[@ANYBLOB="1400000007ffff0700"], 0x9) r3 = syz_genetlink_get_family_id$fou(&(0x7f00000000c0)='fou\x00') sendmsg$FOU_CMD_GET(r0, &(0x7f0000000240)={&(0x7f0000000040)={0x10}, 0xc, &(0x7f0000000200)={&(0x7f0000000100)=ANY=[@ANYBLOB='P\x00\x00\x00', @ANYRES16=r3, @ANYBLOB="220029bd7000fedbdf250300000004000500080001006e200000080002000a0000000800020000000000080001004e200000080001004e240000080001004e230000080001004e210000"], 0x50}, 0x1, 0x0, 0x0, 0x4000004}, 0x200000d0) mkdir(&(0x7f0000000440)='./file0\x00', 0x0) mount$9p_fd(0x0, &(0x7f00000005c0)='./file0\x00', &(0x7f0000000600)='9p\x00', 0x0, &(0x7f0000000640)={'trans=fd,', {'rfdno', 0x3d, r1}, 0x2c, {'wfdno', 0x3d, r2}, 0x2c, {[{@version_9p2000='version=9p2000', 0x2c}]}}) [ 1489.803427] BTRFS error (device loop1): open_ctree failed [ 1489.845833] 9pnet: p9_errstr2errno: server reported unknown error  [ 1489.863147] BTRFS error (device loop2): unsupported checksum algorithm 3786 [ 1489.870349] BTRFS error (device loop2): superblock checksum mismatch [ 1489.877840] BTRFS error (device loop2): open_ctree failed [ 1489.885358] 9pnet: p9_errstr2errno: server reported unknown error  [ 1489.910322] BTRFS error (device loop2): unsupported checksum algorithm 3786 [ 1489.917496] BTRFS error (device loop2): superblock checksum mismatch [ 1489.924858] BTRFS error (device loop2): open_ctree failed 03:39:48 executing program 5: r0 = syz_open_dev$sndseq(&(0x7f0000dcc000)='/dev/snd/seq\x00', 0x0, 0x0) read(r0, &(0x7f0000000280)=""/28, 0x58) ioctl$SNDRV_SEQ_IOCTL_CREATE_PORT(r0, 0xc0a85320, &(0x7f0000418f50)={{0x80}, "0a4ceaa05d9a00000000000000039b3fd4cec307e8ef3d13eb790ec9c65abaf90d229db692542e5b78f8b29e0a27800f0000000000000009fb42f376589701a4", 0xa9824f69d1376637, 0x10800a}) ioctl$SNDRV_SEQ_IOCTL_REMOVE_EVENTS(r0, 0x4040534e, &(0x7f000019ffe9)) ioctl$SNDRV_SEQ_IOCTL_SET_PORT_INFO(r0, 0x40a85323, &(0x7f0000000080)={{0x80}, 'port1\x00'}) ioctl$SNDRV_SEQ_IOCTL_SUBSCRIBE_PORT(r0, 0x40505330, &(0x7f0000000140)) openat$sequencer2(0xffffffffffffff9c, &(0x7f0000000040)='/dev/sequencer2\x00', 0x0, 0x0) 03:39:48 executing program 4: r0 = socket$nl_xfrm(0x10, 0x3, 0x6) sendmsg$nl_xfrm(r0, &(0x7f0000000400)={&(0x7f0000000040)={0x10}, 0xc, &(0x7f00000001c0)={&(0x7f0000000080)=@updpolicy={0xb8, 0x14, 0x407, 0x0, 0x0, {{@in=@loopback=0x7f000001, @in6=@ipv4={[0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x2000000000000000], [0xff, 0xff], @dev={0xac, 0x14, 0x14}}, 0x0, 0x0, 0x0, 0x0, 0x2}}}, 0xb8}, 0x1}, 0x0) 03:39:48 executing program 7: sendmsg$IPVS_CMD_FLUSH(0xffffffffffffffff, &(0x7f0000000340)={&(0x7f0000000100)={0x10}, 0xc, &(0x7f00000002c0)={&(0x7f00000001c0)=ANY=[@ANYBLOB='P\x00\x00\x00', @ANYBLOB="00000000000000000000110000002800030014000200697064647030000000000000000000000800040000000000080001000000000014000100080009000000000008005f50e2470000"], 0x2}, 0x1}, 0x0) r0 = socket$nl_generic(0x10, 0x3, 0x10) sendmsg$nl_generic(r0, &(0x7f00003cefe4)={&(0x7f0000000300)={0x10, 0x36200}, 0xc, &(0x7f0000007ff0)={&(0x7f0000000180)={0xffce, 0x2e, 0x6fd, 0x0, 0x0, {0x2004}, [@nested={0xc, 0x0, [@typed={0x62, 0x9, @ipv4}]}]}, 0xffce}, 0x1, 0x0, 0xfffffffffffff000}, 0x0) 03:39:48 executing program 0: perf_event_open(&(0x7f0000000180)={0x2, 0x70, 0x3e5}, 0x0, 0x0, 0xffffffffffffffff, 0x0) r0 = socket$inet_udp(0x2, 0x2, 0x0) sendto$inet(r0, &(0x7f0000000000), 0x0, 0x400c000, &(0x7f000083b000)={0x2, 0x4e20}, 0x10) r1 = syz_open_procfs(0x0, &(0x7f0000000080)='net/udp\x00') faccessat(r1, &(0x7f0000000040)='./file0\x00', 0x0, 0xb00) sendfile(r0, r1, &(0x7f0000000000), 0xff) sched_yield() 03:39:48 executing program 1: r0 = socket$inet6(0xa, 0x1000000000002, 0x0) ioctl(r0, 0x8912, &(0x7f0000000280)="025cc83d6d345f8f762070") syz_mount_image$btrfs(&(0x7f0000000080)='btrfs\x00', &(0x7f0000000100)='./file0\x00', 0x0, 0x1, &(0x7f0000000200)=[{&(0x7f0000000500)="8da4363a00000000b20300000000004d01000000000000000000000000000000ecf6f2a2299748aeb81e1b00920efd9a000001000000000001000000000000005f42485266535f4dd2f873574f257e0a01e2a6a02f5e071383fa5a669a53f2fe9eb4eb7918628af41b", 0x69, 0x10000}], 0x0, &(0x7f0000000240)) 03:39:48 executing program 6: perf_event_open(&(0x7f0000000180)={0x2, 0x70, 0x3e5}, 0x0, 0x0, 0xffffffffffffffff, 0x0) r0 = openat$zero(0xffffffffffffff9c, &(0x7f0000000040)='/dev/zero\x00', 0x40000, 0x0) ioctl$KVM_CREATE_VM(r0, 0xae01, 0x0) pipe2$9p(&(0x7f0000000000)={0xffffffffffffffff, 0xffffffffffffffff}, 0x0) write$P9_RLERRORu(r2, &(0x7f0000000080)=ANY=[@ANYBLOB="1400000007ffff0700"], 0x325) mkdir(&(0x7f0000000440)='./file0\x00', 0x0) mount$9p_fd(0x0, &(0x7f00000005c0)='./file0\x00', &(0x7f0000000600)='9p\x00', 0x0, &(0x7f0000000640)=ANY=[@ANYBLOB='trans=fd,rfdno=', @ANYRESHEX=r1, @ANYBLOB='\x00\x00\x00\x00\x00\x00\x00', @ANYRESHEX=r2, @ANYBLOB=',version=9p2000,\x00']) 03:39:48 executing program 2: r0 = socket$inet6(0xa, 0x1000000000002, 0x0) ioctl(r0, 0x8912, &(0x7f0000000280)="025cc83d6d345f8f762070") syz_mount_image$btrfs(&(0x7f0000000080)='btrfs\x00', &(0x7f0000000100)='./file0\x00', 0x0, 0x1, &(0x7f0000000200)=[{&(0x7f0000000500)="8da4363a000000000000120b0000004d01000000000000000000000000000000ecf6f2a2299748aeb81e1b00920efd9a000001000000000001000000000000005f42485266535f4dd2f873574f257e0a01e2a6a02f5e071383fa5a669a53f2fe9eb4eb7918628af41b035fd98372e7c2a6970f550441f0b263dca46c12ce6aaa994fbb4b3493ca901878bb330d2db8e953fc883f9c754f419e963874199295a945ec867b4f224fde52268a81e1154b80f7076f32b6eb8614c672ecdecd385a1a7b8cac7cca0eb0cdbf1c5ee539c37d1f23b763ce55672b8e492664e624e0efe078f2e3aa38061af373a3d160cfbe9b6318577fabec9baa14a9377d7ffef2b72f36353de7db160717b00a6f6055d08594df3bff1ac4f0", 0x116, 0x10000}], 0x0, &(0x7f0000000240)) 03:39:48 executing program 3: r0 = socket$inet(0x2, 0x4000000000000001, 0x0) setsockopt$inet_tcp_TCP_CONGESTION(r0, 0x6, 0xd, &(0x7f0000000140)='nv\x00', 0x3) sendto$inet(r0, &(0x7f0000a88f88), 0xfffffffffffffe6e, 0x20000000, &(0x7f0000e68000)={0x2, 0x0, @local={0xac, 0x14, 0x14, 0xaa}, [0x0, 0xa33c000000000000]}, 0x10) shutdown(r0, 0x0) 03:39:48 executing program 7: sendmsg$IPVS_CMD_FLUSH(0xffffffffffffffff, &(0x7f0000000340)={&(0x7f0000000100)={0x10}, 0xc, &(0x7f00000002c0)={&(0x7f00000001c0)=ANY=[@ANYBLOB='P\x00\x00\x00', @ANYBLOB="00000000000000000000110000002800030014000200697064647030000000000000000000000800040000000000080001000000000014000100080009000000000008005f50e2470000"], 0x2}, 0x1}, 0x0) r0 = socket$nl_generic(0x10, 0x3, 0x10) sendmsg$nl_generic(r0, &(0x7f00003cefe4)={&(0x7f0000000300)={0x10, 0x36200}, 0xc, &(0x7f0000007ff0)={&(0x7f0000000180)={0xffce, 0x2e, 0x6fd, 0x0, 0x0, {0x2004}, [@nested={0xc, 0x0, [@typed={0x62, 0x9, @ipv4}]}]}, 0xffce}, 0x1, 0x0, 0x0, 0x60000000}, 0x0) [ 1490.620917] 9pnet: Insufficient options for proto=fd [ 1490.634301] print_req_error: I/O error, dev loop1, sector 128 [ 1490.637000] 9pnet: Insufficient options for proto=fd [ 1490.660961] BTRFS error (device loop2): unsupported checksum algorithm 3786 03:39:49 executing program 4: r0 = socket$nl_xfrm(0x10, 0x3, 0x6) sendmsg$nl_xfrm(r0, &(0x7f0000000400)={&(0x7f0000000040)={0x10}, 0xc, &(0x7f00000001c0)={&(0x7f0000000080)=@updpolicy={0xb8, 0x14, 0x407, 0x0, 0x0, {{@in=@loopback=0x7f000001, @in6=@ipv4={[0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xf000000], [0xff, 0xff], @dev={0xac, 0x14, 0x14}}, 0x0, 0x0, 0x0, 0x0, 0x2}}}, 0xb8}, 0x1}, 0x0) 03:39:49 executing program 6: perf_event_open(&(0x7f0000000180)={0x2, 0x70, 0x3e5}, 0x0, 0x0, 0xffffffffffffffff, 0x0) ioctl$KVM_CREATE_VM(0xffffffffffffffff, 0xae01, 0x0) pipe2$9p(&(0x7f0000000000)={0xffffffffffffffff, 0xffffffffffffffff}, 0x0) write$P9_RLERRORu(r1, &(0x7f0000000200)=ANY=[@ANYBLOB="f50a16ddf3988d4deb1f7691a19e35d23f5a409edc8cb518c81f7d899f67f0dd20e1b41f273dfa62b00eed115e5c118a9047cf401bd7214b7375dfb13fb877710c5a693c1bb6744aa5c9c50d5cb773bf976c30fd54509458f5ed4eb58c26d6404d65ca5b7e84acdf3a2d03837a5ab8c3b5f26a146de9ecb47efb7ab367ea7b90f4e3c039a7af184546a05e4acd8ecc4fb36ec6e070a83bffdfca9d4b05c7eddb434d7e7f3c94e4a92e9e0536c7b1ce3f6134735b7159d341e99a8eee404c4fa3b862110b8c7d6dc7eb4fc93563bf32f2f5c5914ce434e2b8dfdf8621bbe31e97831f18bead57fb127b2bec73e59de6268e96106a072b70ba03d41c8cb704f57e51358e8cf11864ec84035cefab49396365825335863186d3fbeb1f3eca8e014e504b3037568e1e45f5dcfbc06727866aefab188170d5d1b0b8bd609ca20cd0ff83505c7b30561ef15fccbcfe9d8300ba6347e2734074b8a49d6b56eb675bee000000000000000000"], 0x9) r2 = gettid() capset(&(0x7f0000000100)={0x20071026, r2}, &(0x7f0000000140)={0x3, 0x8, 0x9, 0x1200000000000, 0x532, 0x4}) mkdir(&(0x7f0000000440)='./file0\x00', 0x0) mount$9p_fd(0x0, &(0x7f00000005c0)='./file0\x00', &(0x7f0000000600)='9p\x00', 0x0, &(0x7f0000000380)=ANY=[@ANYBLOB='trans=fd,rfdno=', @ANYRESHEX=r0, @ANYBLOB=',wfdno=', @ANYRESHEX=r1, @ANYBLOB="2c7665767360696f6e3d3970323030302cd63c08dfc0f0778bafc2ed02dda609d1bc06ae3c1f2e87321026cb691f4547dc"]) utimes(&(0x7f0000000080)='./file0/file0\x00', &(0x7f00000000c0)={{0x77359400}}) openat$kvm(0xffffffffffffff9c, &(0x7f0000000040)='/dev/kvm\x00', 0x20803, 0x0) 03:39:49 executing program 0: perf_event_open(&(0x7f0000000180)={0x2, 0x70, 0x3e5}, 0x0, 0x0, 0xffffffffffffffff, 0x0) openat$rfkill(0xffffffffffffff9c, &(0x7f0000000040)='/dev/rfkill\x00', 0x10000, 0x0) r0 = socket$inet_udp(0x2, 0x2, 0x0) sendto$inet(r0, &(0x7f0000000000), 0x0, 0x400c000, &(0x7f000083b000)={0x2, 0x4e20}, 0x10) syz_open_procfs(0x0, &(0x7f0000000080)='net/udp\x00') [ 1490.668128] BTRFS error (device loop2): superblock checksum mismatch [ 1490.685542] BTRFS error (device loop2): open_ctree failed [ 1490.695085] BTRFS error (device loop2): unsupported checksum algorithm 3786 [ 1490.695257] nla_parse: 4 callbacks suppressed [ 1490.695265] netlink: 65362 bytes leftover after parsing attributes in process `syz-executor7'. [ 1490.702271] BTRFS error (device loop2): superblock checksum mismatch [ 1490.706899] BTRFS error (device loop2): open_ctree failed [ 1490.715578] net_ratelimit: 50 callbacks suppressed [ 1490.715585] openvswitch: netlink: ufid size 94 bytes exceeds the range (1, 16) [ 1490.715596] openvswitch: netlink: Flow set message rejected, Key attribute missing. [ 1490.750084] netlink: 104 bytes leftover after parsing attributes in process `syz-executor4'. 03:39:49 executing program 1: r0 = socket$inet6(0xa, 0x1000000000002, 0x0) ioctl(r0, 0x8912, &(0x7f0000000280)="025cc83d6d345f8f762070") syz_mount_image$btrfs(&(0x7f0000000080)='btrfs\x00', &(0x7f0000000100)='./file0\x00', 0x0, 0x1, &(0x7f0000000200)=[{&(0x7f0000000500)="8da4363a00000000000000090000004d01000000000000000000000000000000ecf6f2a2299748aeb81e1b00920efd9a000001000000000001000000000000005f42485266535f4dd2f873574f257e0a01e2a6a02f5e071383fa5a669a53f2fe9eb4eb7918628af41b", 0x69, 0x10000}], 0x0, &(0x7f0000000240)) 03:39:49 executing program 4: r0 = socket$nl_xfrm(0x10, 0x3, 0x6) sendmsg$nl_xfrm(r0, &(0x7f0000000400)={&(0x7f0000000040)={0x10}, 0xc, &(0x7f00000001c0)={&(0x7f0000000080)=@updpolicy={0xb8, 0x14, 0x407, 0x0, 0x0, {{@in=@loopback=0x7f000001, @in6=@ipv4={[0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1000000], [0xff, 0xff], @dev={0xac, 0x14, 0x14}}, 0x0, 0x0, 0x0, 0x0, 0x2}}}, 0xb8}, 0x1}, 0x0) 03:39:49 executing program 0: perf_event_open(&(0x7f0000000180)={0x2, 0x70, 0x3e5}, 0x0, 0x0, 0xffffffffffffffff, 0x0) r0 = socket$inet_udp(0x2, 0x2, 0x0) sendto$inet(r0, &(0x7f0000000000), 0x0, 0x400c000, &(0x7f000083b000)={0x2, 0x4e20}, 0x10) r1 = syz_open_dev$midi(&(0x7f00000000c0)='/dev/midi#\x00', 0xfff, 0x8000) setsockopt$RDS_GET_MR_FOR_DEST(r1, 0x114, 0x7, &(0x7f0000000240)={@alg={0x26, 'aead\x00', 0x0, 0x0, 'rfc4543(authencesn(tgr160-generic,chacha20-generic))\x00'}, {&(0x7f0000000100)=""/84, 0x54}, &(0x7f0000000200), 0x21}, 0xa0) r2 = syz_open_procfs(0x0, &(0x7f0000000080)='net/udp\x00') ioctl$sock_inet_tcp_SIOCOUTQ(r2, 0x5411, &(0x7f0000000040)) sendfile(r0, r2, &(0x7f0000000000), 0xff) 03:39:49 executing program 6: perf_event_open(&(0x7f0000000180)={0x2, 0x70, 0x3e5}, 0x0, 0x0, 0xffffffffffffffff, 0x0) ioctl$KVM_CREATE_VM(0xffffffffffffffff, 0xae01, 0x0) pipe2$9p(&(0x7f0000000000)={0xffffffffffffffff, 0xffffffffffffffff}, 0x0) write$P9_RLERRORu(r1, &(0x7f0000000080)=ANY=[], 0x0) mkdir(&(0x7f0000000440)='./file0\x00', 0x0) mount$9p_fd(0x0, &(0x7f00000005c0)='./file0\x00', &(0x7f0000000600)='9p\x00', 0x0, &(0x7f0000000640)={'trans=fd,', {'rfdno', 0x3d, r0}, 0x2c, {'wfdno', 0x3d, r1}, 0x2c, {[{@version_9p2000='version=9p2000', 0x2c}]}}) [ 1490.772078] BTRFS error (device loop2): unsupported checksum algorithm 3786 [ 1490.779236] BTRFS error (device loop2): superblock checksum mismatch [ 1490.804318] BTRFS error (device loop2): open_ctree failed [ 1490.818986] netlink: 65362 bytes leftover after parsing attributes in process `syz-executor7'. [ 1490.827813] openvswitch: netlink: ufid size 94 bytes exceeds the range (1, 16) [ 1490.835193] openvswitch: netlink: Flow set message rejected, Key attribute missing. [ 1490.844349] netlink: 104 bytes leftover after parsing attributes in process `syz-executor4'. 03:39:49 executing program 5: r0 = syz_open_dev$sndseq(&(0x7f0000dcc000)='/dev/snd/seq\x00', 0x0, 0x0) read(r0, &(0x7f0000000280)=""/28, 0x58) ioctl$SNDRV_SEQ_IOCTL_CREATE_PORT(r0, 0xc0a85320, &(0x7f0000418f50)={{0x80}, "0a4ceaa05d9a00000000000000039b3fd4cec307e8ef3d13eb790ec9c65abaf90d229db692542e5b78f8b29e0a27800f0000000000000009fb42f376589701a4", 0xa9824f69d1376637, 0x10800a}) ioctl$SNDRV_SEQ_IOCTL_REMOVE_EVENTS(r0, 0x4040534e, &(0x7f000019ffe9)) ioctl$SNDRV_SEQ_IOCTL_SET_PORT_INFO(r0, 0x40a85323, &(0x7f0000000080)={{0x80}, 'port1\x00'}) ioctl$SNDRV_SEQ_IOCTL_SUBSCRIBE_PORT(r0, 0x40505330, &(0x7f0000000140)) openat$sequencer2(0xffffffffffffff9c, &(0x7f0000000040)='/dev/sequencer2\x00', 0x0, 0x0) 03:39:49 executing program 2: r0 = socket$inet6(0xa, 0x1000000000002, 0x0) ioctl(r0, 0x8912, &(0x7f0000000280)="025cc83d6d345f8f762070") syz_mount_image$btrfs(&(0x7f0000000080)='btrfs\x00', &(0x7f0000000100)='./file0\x00', 0x0, 0x1, &(0x7f0000000200)=[{&(0x7f0000000500)="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", 0x116, 0x10000}], 0x0, &(0x7f0000000240)) 03:39:49 executing program 7: sendmsg$IPVS_CMD_FLUSH(0xffffffffffffffff, &(0x7f0000000340)={&(0x7f0000000100)={0x10}, 0xc, &(0x7f00000002c0)={&(0x7f00000001c0)=ANY=[@ANYBLOB='P\x00\x00\x00', @ANYBLOB="00000000000000000000110000002800030014000200697064647030000000000000000000000800040000000000080001000000000014000100080009000000000008005f50e2470000"], 0x2}, 0x1}, 0x0) r0 = socket$nl_generic(0x10, 0x3, 0x10) sendmsg$nl_generic(r0, &(0x7f00003cefe4)={&(0x7f0000000300)={0x10, 0x36200}, 0xc, &(0x7f0000007ff0)={&(0x7f0000000180)={0xffce, 0x2e, 0x6fd, 0x0, 0x0, {0x2004}, [@nested={0xc, 0x0, [@typed={0x62, 0x9, @ipv4}]}]}, 0xffce}, 0x1, 0x0, 0x0, 0x700}, 0x0) 03:39:49 executing program 6: perf_event_open(&(0x7f0000000180)={0x2, 0x70, 0x3e5}, 0x0, 0x0, 0xffffffffffffffff, 0x0) ioctl$KVM_CREATE_VM(0xffffffffffffffff, 0xae01, 0x0) pipe2$9p(&(0x7f0000000000)={0xffffffffffffffff, 0xffffffffffffffff}, 0x0) write$P9_RLERRORu(r1, &(0x7f0000000080)=ANY=[@ANYBLOB="1400000007ffff0700"], 0x9) mkdir(&(0x7f0000000440)='./file0\x00', 0x0) mount$9p_fd(0x0, &(0x7f00000005c0)='./file0\x00', &(0x7f0000000600)='9p\x00', 0x0, &(0x7f0000000640)={'trans=fd,', {'rfdno', 0x3d, r0}, 0x2c, {'wfdno', 0x3d, r1}, 0x2c, {[{@version_9p2000='version=9p2000', 0x2c}]}}) r2 = creat(&(0x7f0000000040)='./file0\x00', 0x49) ioctl$INOTIFY_IOC_SETNEXTWD(r2, 0x40044900, 0x3) 03:39:49 executing program 4: r0 = socket$nl_xfrm(0x10, 0x3, 0x6) sendmsg$nl_xfrm(r0, &(0x7f0000000400)={&(0x7f0000000040)={0x10}, 0xc, &(0x7f00000001c0)={&(0x7f0000000080)=@updpolicy={0xb8, 0x14, 0x407, 0x0, 0x0, {{@in=@loopback=0x7f000001, @in6=@ipv4={[0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x37230000], [0xff, 0xff], @dev={0xac, 0x14, 0x14}}, 0x0, 0x0, 0x0, 0x0, 0x2}}}, 0xb8}, 0x1}, 0x0) 03:39:49 executing program 1: r0 = socket$inet6(0xa, 0x1000000000002, 0x0) ioctl(r0, 0x8912, &(0x7f0000000280)="025cc83d6d345f8f762070") syz_mount_image$btrfs(&(0x7f0000000080)='btrfs\x00', &(0x7f0000000100)='./file0\x00', 0x0, 0x1, &(0x7f0000000200)=[{&(0x7f0000000500)="8da4363a000000000000001f0000004d01000000000000000000000000000000ecf6f2a2299748aeb81e1b00920efd9a000001000000000001000000000000005f42485266535f4dd2f873574f257e0a01e2a6a02f5e071383fa5a669a53f2fe9eb4eb7918628af41b", 0x69, 0x10000}], 0x0, &(0x7f0000000240)) 03:39:49 executing program 0: r0 = perf_event_open(&(0x7f0000000180)={0x2, 0x70, 0x3e5}, 0x0, 0x0, 0xffffffffffffffff, 0x0) r1 = socket$inet_udp(0x2, 0x2, 0x0) sendto$inet(r1, &(0x7f0000000000), 0x0, 0x400c000, &(0x7f000083b000)={0x2, 0x4e20}, 0x10) r2 = syz_open_procfs(0x0, &(0x7f0000000080)='net/udp\x00') sendfile(r1, r2, &(0x7f0000000000), 0xff) sendfile(r0, r1, &(0x7f0000000040), 0x9) ioctl$TIOCLINUX2(r2, 0x541c, &(0x7f00000000c0)={0x2, 0x9, 0x7fff, 0x10001, 0x6ee, 0x33}) 03:39:49 executing program 3: r0 = socket$inet(0x2, 0x4000000000000001, 0x0) setsockopt$inet_tcp_TCP_CONGESTION(r0, 0x6, 0xd, &(0x7f0000000140)='nv\x00', 0x3) sendto$inet(r0, &(0x7f0000a88f88), 0xfffffffffffffe6e, 0x20000000, &(0x7f0000e68000)={0x2, 0x0, @local={0xac, 0x14, 0x14, 0xaa}, [0x0, 0x50000]}, 0x10) shutdown(r0, 0x0) [ 1491.603064] netlink: 104 bytes leftover after parsing attributes in process `syz-executor4'. [ 1491.612716] netlink: 65362 bytes leftover after parsing attributes in process `syz-executor7'. [ 1491.613514] 9pnet: p9_errstr2errno: server reported unknown error  [ 1491.621530] openvswitch: netlink: ufid size 94 bytes exceeds the range (1, 16) [ 1491.635301] openvswitch: netlink: Flow set message rejected, Key attribute missing. [ 1491.638250] BTRFS error (device loop2): unsupported checksum algorithm 3786 [ 1491.650313] BTRFS error (device loop2): superblock checksum mismatch [ 1491.654861] netlink: 65362 bytes leftover after parsing attributes in process `syz-executor7'. [ 1491.665661] openvswitch: netlink: ufid size 94 bytes exceeds the range (1, 16) [ 1491.673036] openvswitch: netlink: Flow set message rejected, Key attribute missing. [ 1491.685493] BTRFS error (device loop2): open_ctree failed 03:39:50 executing program 4: r0 = socket$nl_xfrm(0x10, 0x3, 0x6) sendmsg$nl_xfrm(r0, &(0x7f0000000400)={&(0x7f0000000040)={0x10}, 0xc, &(0x7f00000001c0)={&(0x7f0000000080)=@updpolicy={0xb8, 0x14, 0x407, 0x0, 0x0, {{@in=@loopback=0x7f000001, @in6=@ipv4={[0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xf00], [0xff, 0xff], @dev={0xac, 0x14, 0x14}}, 0x0, 0x0, 0x0, 0x0, 0x2}}}, 0xb8}, 0x1}, 0x0) 03:39:50 executing program 0: perf_event_open(&(0x7f0000000180)={0x2, 0x70, 0x3e5}, 0x0, 0x0, 0xffffffffffffffff, 0x0) r0 = socket$inet_udp(0x2, 0x2, 0x0) openat$autofs(0xffffffffffffff9c, &(0x7f0000000080)='/dev/autofs\x00', 0x200, 0x0) sendto$inet(r0, &(0x7f0000000000), 0x0, 0x400c000, &(0x7f000083b000)={0x2, 0x4e20}, 0x10) ioctl$TIOCGSID(0xffffffffffffff9c, 0x5429, &(0x7f00000000c0)=0x0) r2 = syz_open_procfs(r1, &(0x7f0000000040)='net/udp\x00') sendfile(r0, r2, &(0x7f0000000000), 0xff) [ 1491.697656] BTRFS error (device loop2): unsupported checksum algorithm 3786 [ 1491.699634] 9pnet: p9_errstr2errno: server reported unknown error  [ 1491.704831] BTRFS error (device loop2): superblock checksum mismatch 03:39:50 executing program 7: sendmsg$IPVS_CMD_FLUSH(0xffffffffffffffff, &(0x7f0000000340)={&(0x7f0000000100)={0x10}, 0xc, &(0x7f00000002c0)={&(0x7f00000001c0)=ANY=[@ANYBLOB='P\x00\x00\x00', @ANYBLOB="00000000000000000000110000002800030014000200697064647030000000000000000000000800040000000000080001000000000014000100080009000000000008005f50e2470000"], 0x2}, 0x1}, 0x0) r0 = socket$nl_generic(0x10, 0x3, 0x10) sendmsg$nl_generic(r0, &(0x7f00003cefe4)={&(0x7f0000000300)={0x10, 0x36200}, 0xc, &(0x7f0000007ff0)={&(0x7f0000000180)={0xffce, 0x2e, 0x6fd, 0x0, 0x0, {0x2004}, [@nested={0xc, 0x0, [@typed={0x62, 0x9, @ipv4}]}]}, 0xffce}, 0x1, 0x0, 0x0, 0x600}, 0x0) 03:39:50 executing program 6: perf_event_open(&(0x7f0000000180)={0x2, 0x70, 0x3e5}, 0x0, 0x0, 0xffffffffffffffff, 0x0) pipe2$9p(&(0x7f0000000000)={0xffffffffffffffff, 0xffffffffffffffff}, 0x0) r2 = syz_open_dev$vcsn(&(0x7f0000000040)='/dev/vcs#\x00', 0x93f, 0x34000) getsockopt(r2, 0x4, 0x100000000, &(0x7f00000000c0)=""/149, &(0x7f0000000200)=0x95) ftruncate(r0, 0x3ff) write$P9_RLERRORu(r1, &(0x7f0000000080)=ANY=[@ANYBLOB="1400000007ffff0700"], 0x9) mkdir(&(0x7f0000000440)='./file0\x00', 0x0) mount$9p_fd(0x0, &(0x7f00000005c0)='./file0\x00', &(0x7f0000000600)='9p\x00', 0x0, &(0x7f0000000640)={'trans=fd,', {'rfdno', 0x3d, r0}, 0x2c, {'wfdno', 0x3d, r1}, 0x2c, {[{@version_9p2000='version=9p2000', 0x2c}]}}) 03:39:50 executing program 2: r0 = socket$inet6(0xa, 0x1000000000002, 0x0) ioctl(r0, 0x8912, &(0x7f0000000280)="025cc83d6d345f8f762070") syz_mount_image$btrfs(&(0x7f0000000080)='btrfs\x00', &(0x7f0000000100)='./file0\x00', 0x0, 0x1, &(0x7f0000000200)=[{&(0x7f0000000500)="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", 0x116, 0x10000}], 0x0, &(0x7f0000000240)) [ 1491.755174] netlink: 104 bytes leftover after parsing attributes in process `syz-executor4'. 03:39:50 executing program 4: r0 = socket$nl_xfrm(0x10, 0x3, 0x6) sendmsg$nl_xfrm(r0, &(0x7f0000000400)={&(0x7f0000000040)={0x10}, 0xc, &(0x7f00000001c0)={&(0x7f0000000080)=@updpolicy={0xb8, 0x14, 0x407, 0x0, 0x0, {{@in=@loopback=0x7f000001, @in6=@ipv4={[0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x3], [0xff, 0xff], @dev={0xac, 0x14, 0x14}}, 0x0, 0x0, 0x0, 0x0, 0x2}}}, 0xb8}, 0x1}, 0x0) 03:39:50 executing program 0: r0 = perf_event_open(&(0x7f0000000180)={0x2, 0x70, 0x3e5}, 0x0, 0x0, 0xffffffffffffffff, 0x0) ioctl$FIBMAP(r0, 0x1, &(0x7f0000000040)=0x8) r1 = socket$inet_udp(0x2, 0x2, 0x0) sendto$inet(r1, &(0x7f0000000000), 0xfffffffffffffc52, 0x400c000, &(0x7f000083b000)={0x2, 0x4e20}, 0x10) r2 = syz_open_procfs(0x0, &(0x7f0000000080)='net/udp\x00') sendfile(r1, r2, &(0x7f0000000000), 0xff) [ 1491.803871] BTRFS error (device loop2): open_ctree failed [ 1491.810359] netlink: 65362 bytes leftover after parsing attributes in process `syz-executor7'. [ 1491.819178] openvswitch: netlink: ufid size 94 bytes exceeds the range (1, 16) [ 1491.826602] openvswitch: netlink: Flow set message rejected, Key attribute missing. [ 1491.844794] 9pnet: p9_errstr2errno: server reported unknown error  03:39:50 executing program 1: r0 = socket$inet6(0xa, 0x1000000000002, 0x0) ioctl(r0, 0x8912, &(0x7f0000000280)="025cc83d6d345f8f762070") syz_mount_image$btrfs(&(0x7f0000000080)='btrfs\x00', &(0x7f0000000100)='./file0\x00', 0x0, 0x1, &(0x7f0000000200)=[{&(0x7f0000000500)="8da4363a00000000000002d00000004d01000000000000000000000000000000ecf6f2a2299748aeb81e1b00920efd9a000001000000000001000000000000005f42485266535f4dd2f873574f257e0a01e2a6a02f5e071383fa5a669a53f2fe9eb4eb7918628af41b", 0x69, 0x10000}], 0x0, &(0x7f0000000240)) [ 1491.854590] BTRFS error (device loop1): superblock checksum mismatch [ 1491.865216] netlink: 104 bytes leftover after parsing attributes in process `syz-executor4'. [ 1491.879786] 9pnet: p9_errstr2errno: server reported unknown error  [ 1491.891649] BTRFS error (device loop1): open_ctree failed [ 1491.926163] print_req_error: I/O error, dev loop1, sector 128 [ 1491.937949] BTRFS error (device loop2): unsupported checksum algorithm 3786 [ 1491.945218] BTRFS error (device loop2): superblock checksum mismatch [ 1491.972874] BTRFS error (device loop2): open_ctree failed [ 1491.983772] BTRFS error (device loop2): unsupported checksum algorithm 3786 [ 1491.990955] BTRFS error (device loop2): superblock checksum mismatch [ 1492.013910] BTRFS error (device loop2): open_ctree failed 03:39:50 executing program 5: r0 = syz_open_dev$sndseq(&(0x7f0000dcc000)='/dev/snd/seq\x00', 0x0, 0x0) read(r0, &(0x7f0000000280)=""/28, 0x58) ioctl$SNDRV_SEQ_IOCTL_CREATE_PORT(r0, 0xc0a85320, &(0x7f0000418f50)={{0x80}, "0a4ceaa05d9a00000000000000039b3fd4cec307e8ef3d13eb790ec9c65abaf90d229db692542e5b78f8b29e0a27800f0000000000000009fb42f376589701a4", 0xa9824f69d1376637, 0x10800a}) ioctl$SNDRV_SEQ_IOCTL_REMOVE_EVENTS(r0, 0x4040534e, &(0x7f000019ffe9)={0xc1}) ioctl$SNDRV_SEQ_IOCTL_SET_PORT_INFO(0xffffffffffffffff, 0x40a85323, &(0x7f0000000080)={{0x80}, 'port1\x00'}) ioctl$SNDRV_SEQ_IOCTL_SUBSCRIBE_PORT(r0, 0x40505330, &(0x7f0000000140)) openat$sequencer2(0xffffffffffffff9c, &(0x7f0000000040)='/dev/sequencer2\x00', 0x0, 0x0) 03:39:50 executing program 6: r0 = openat$hwrng(0xffffffffffffff9c, &(0x7f0000000040)='/dev/hwrng\x00', 0x8001, 0x0) accept4$vsock_stream(r0, &(0x7f00000000c0)={0x28, 0x0, 0xffffffff, @my=0x1}, 0x10, 0x800) perf_event_open(&(0x7f0000000180)={0x2, 0x70, 0x3e5}, 0x0, 0x0, 0xffffffffffffffff, 0x0) ioctl$KVM_CREATE_VM(0xffffffffffffffff, 0xae01, 0x0) pipe2$9p(&(0x7f0000000000)={0xffffffffffffffff, 0xffffffffffffffff}, 0x0) write$P9_RLERRORu(r2, &(0x7f0000000080)=ANY=[@ANYBLOB='\x00\x00\x00\x00\x00\x00\x00\x00\x00'], 0x9) mkdir(&(0x7f0000000440)='./file0\x00', 0x0) mount$9p_fd(0x0, &(0x7f00000005c0)='./file0\x00', &(0x7f0000000600)='9p\x00', 0x0, &(0x7f0000000640)={'trans=fd,', {'rfdno', 0x3d, r1}, 0x2c, {'wfdno', 0x3d, r2}, 0x2c, {[{@version_9p2000='version=9p2000', 0x2c}]}}) 03:39:50 executing program 0: perf_event_open(&(0x7f0000000180)={0x2, 0x70, 0x3e5}, 0x0, 0x0, 0xffffffffffffffff, 0x0) r0 = socket$inet_udp(0x2, 0x2, 0x0) sendfile(r0, 0xffffffffffffffff, &(0x7f0000000000), 0xff) openat$vhost_vsock(0xffffffffffffff9c, &(0x7f0000000040)='/dev/vhost-vsock\x00', 0x2, 0x0) 03:39:50 executing program 4: r0 = socket$nl_xfrm(0x10, 0x3, 0x6) sendmsg$nl_xfrm(r0, &(0x7f0000000400)={&(0x7f0000000040)={0x10}, 0xc, &(0x7f00000001c0)={&(0x7f0000000080)=@updpolicy={0xb8, 0x14, 0x407, 0x0, 0x0, {{@in=@loopback=0x7f000001, @in6=@ipv4={[0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xffffff7f00000000], [0xff, 0xff], @dev={0xac, 0x14, 0x14}}, 0x0, 0x0, 0x0, 0x0, 0x2}}}, 0xb8}, 0x1}, 0x0) 03:39:50 executing program 7: sendmsg$IPVS_CMD_FLUSH(0xffffffffffffffff, &(0x7f0000000340)={&(0x7f0000000100)={0x10}, 0xc, &(0x7f00000002c0)={&(0x7f00000001c0)=ANY=[@ANYBLOB='P\x00\x00\x00', @ANYBLOB="00000000000000000000110000002800030014000200697064647030000000000000000000000800040000000000080001000000000014000100080009000000000008005f50e2470000"], 0x2}, 0x1}, 0x0) r0 = socket$nl_generic(0x10, 0x3, 0x10) sendmsg$nl_generic(r0, &(0x7f00003cefe4)={&(0x7f0000000300)={0x10, 0x36200}, 0xc, &(0x7f0000007ff0)={&(0x7f0000000180)={0xffce, 0x2e, 0x6fd, 0x0, 0x0, {0x2004}, [@nested={0xc, 0x0, [@typed={0x62, 0x9, @ipv4}]}]}, 0xffce}, 0x1, 0x0, 0x0, 0x6c00}, 0x0) 03:39:50 executing program 2: r0 = socket$inet6(0xa, 0x1000000000002, 0x0) ioctl(r0, 0x8912, &(0x7f0000000280)="025cc83d6d345f8f762070") syz_mount_image$btrfs(&(0x7f0000000080)='btrfs\x00', &(0x7f0000000100)='./file0\x00', 0x0, 0x1, &(0x7f0000000200)=[{&(0x7f0000000500)="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", 0x116, 0x10000}], 0x0, &(0x7f0000000240)) 03:39:50 executing program 1: r0 = socket$inet6(0xa, 0x1000000000002, 0x0) ioctl(r0, 0x8912, &(0x7f0000000280)="025cc83d6d345f8f762070") syz_mount_image$btrfs(&(0x7f0000000080)='btrfs\x00', &(0x7f0000000100)='./file0\x00', 0x0, 0x1, &(0x7f0000000200)=[{&(0x7f0000000500)="8da4363a000000000001151b0000004d01000000000000000000000000000000ecf6f2a2299748aeb81e1b00920efd9a000001000000000001000000000000005f42485266535f4dd2f873574f257e0a01e2a6a02f5e071383fa5a669a53f2fe9eb4eb7918628af41b", 0x69, 0x10000}], 0x0, &(0x7f0000000240)) 03:39:50 executing program 3: r0 = socket$inet(0x2, 0x4000000000000001, 0x0) setsockopt$inet_tcp_TCP_CONGESTION(r0, 0x6, 0xd, &(0x7f0000000140)='nv\x00', 0x3) sendto$inet(r0, &(0x7f0000a88f88), 0xfffffffffffffe6e, 0x20000000, &(0x7f0000e68000)={0x2, 0x0, @local={0xac, 0x14, 0x14, 0xaa}, [0x0, 0x600]}, 0x10) shutdown(r0, 0x0) 03:39:50 executing program 7: sendmsg$IPVS_CMD_FLUSH(0xffffffffffffffff, &(0x7f0000000340)={&(0x7f0000000100)={0x10}, 0xc, &(0x7f00000002c0)={&(0x7f00000001c0)=ANY=[@ANYBLOB='P\x00\x00\x00', @ANYBLOB="00000000000000000000110000002800030014000200697064647030000000000000000000000800040000000000080001000000000014000100080009000000000008005f50e2470000"], 0x2}, 0x1}, 0x0) r0 = socket$nl_generic(0x10, 0x3, 0x10) sendmsg$nl_generic(r0, &(0x7f00003cefe4)={&(0x7f0000000300)={0x10, 0x36200}, 0xc, &(0x7f0000007ff0)={&(0x7f0000000180)={0xffce, 0x2e, 0x6fd, 0x0, 0x0, {0x2004}, [@nested={0xc, 0x0, [@typed={0x62, 0x9, @ipv4}]}]}, 0xffce}, 0x1, 0x0, 0x0, 0x100000000000000}, 0x0) 03:39:50 executing program 4: r0 = socket$nl_xfrm(0x10, 0x3, 0x6) sendmsg$nl_xfrm(r0, &(0x7f0000000400)={&(0x7f0000000040)={0x10}, 0xc, &(0x7f00000001c0)={&(0x7f0000000080)=@updpolicy={0xb8, 0x14, 0x407, 0x0, 0x0, {{@in=@loopback=0x7f000001, @in6=@ipv4={[0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xfffff000], [0xff, 0xff], @dev={0xac, 0x14, 0x14}}, 0x0, 0x0, 0x0, 0x0, 0x2}}}, 0xb8}, 0x1}, 0x0) 03:39:50 executing program 0: ioctl$sock_SIOCGPGRP(0xffffffffffffffff, 0x8904, &(0x7f00000004c0)=0x0) perf_event_open(&(0x7f0000000180)={0x2, 0x70, 0x3e5, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x3f, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x10000000000, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp, 0x0, 0x0, 0x0, 0x0, 0x0, 0xffffffffffffffff}, r0, 0x0, 0xffffffffffffffff, 0x0) r1 = openat$mixer(0xffffffffffffff9c, &(0x7f0000000040)='/dev/mixer\x00', 0x10000, 0x0) setsockopt$packet_buf(r1, 0x107, 0xd, &(0x7f00000000c0)='Jb', 0x2) r2 = socket$inet_udp(0x2, 0x2, 0x0) ioctl$sock_SIOCGIFINDEX(r1, 0x8933, &(0x7f0000000240)={'veth1\x00', 0x0}) ioctl$sock_inet6_SIOCSIFADDR(r1, 0x8916, &(0x7f0000000280)={@mcast2={0xff, 0x2, [], 0x1}, 0x24, r3}) pipe2(&(0x7f0000000480), 0x80000) sendto$inet(r1, &(0x7f0000000000), 0x0, 0x400c000, &(0x7f000083b000)={0x2, 0x4e20}, 0x10) r4 = syz_open_procfs(0x0, &(0x7f0000000080)='net/udp\x00') sendfile(r2, r2, &(0x7f0000000000), 0xff) r5 = syz_genetlink_get_family_id$fou(&(0x7f0000000200)='fou\x00') ioctl$sock_inet_sctp_SIOCINQ(r1, 0x541b, &(0x7f0000000440)) sendmsg$FOU_CMD_GET(r4, &(0x7f0000000300)={&(0x7f0000000140)={0x10, 0x0, 0x0, 0x80000}, 0xc, &(0x7f00000002c0)={&(0x7f0000000340)=ANY=[@ANYBLOB="9559645c9c619e095dc3047434ea397cb7823d6e319a8db8f05c3597a9afa3ebf457b8aa43f02fe45152ec32867be2ab1d7d19800aa8f556e796f1bb173aa07150b31a2d25aaa7873542c8f5053453a40d8a8aeeff208dab0178e743c65335604c6f348785c33ea5b69ce86d21a3a504cc2fe691c8f4a0391781ee07f65911e259d79fae96e755a6656ec8143f8ef692d9b6a012", @ANYRES16=r5, @ANYBLOB="000026bd7000fedbdf2503000000080002000a000000080004000007000000000300000000000400050004000500eb00040002000000080002000a000000"], 0x44}, 0x1, 0x0, 0x0, 0x8010}, 0x40041) ioctl$TIOCSLCKTRMIOS(r4, 0x5457, &(0x7f0000000100)) socket$nl_generic(0x10, 0x3, 0x10) 03:39:50 executing program 6: perf_event_open(&(0x7f0000000180)={0x2, 0x70, 0x3e5}, 0x0, 0x0, 0xffffffffffffffff, 0x0) socketpair(0x9, 0x5, 0xffffffffffffffc1, &(0x7f00000000c0)={0xffffffffffffffff}) getsockopt$inet_sctp6_SCTP_RECVRCVINFO(r0, 0x84, 0x20, &(0x7f0000000100), &(0x7f0000000140)=0x4) r1 = openat$hwrng(0xffffffffffffff9c, &(0x7f0000000040)='/dev/hwrng\x00', 0x0, 0x0) ioctl$KVM_CREATE_VM(r1, 0xae01, 0x0) pipe2$9p(&(0x7f0000000000)={0xffffffffffffffff, 0xffffffffffffffff}, 0x0) write$P9_RLERRORu(r3, &(0x7f0000000080)=ANY=[@ANYBLOB="1400000007ffff0700"], 0x9) mkdir(&(0x7f0000000440)='./file0\x00', 0x0) mount$9p_fd(0x0, &(0x7f00000005c0)='./file0\x00', &(0x7f0000000600)='9p\x00', 0x0, &(0x7f0000000640)={'trans=fd,', {'rfdno', 0x3d, r2}, 0x2c, {'wfdno', 0x3d, r3}, 0x2c, {[{@version_9p2000='version=9p2000', 0x2c}]}}) syz_mount_image$ntfs(&(0x7f0000000200)='ntfs\x00', &(0x7f0000000240)='./file0\x00', 0x101, 0x8, &(0x7f0000000980)=[{&(0x7f0000000280)="80c6756d78287ef311a6de79f7608322", 0x10, 0x9}, {&(0x7f00000002c0)="15e56caf40ef9839198022c0dd64ec14dfae944f82635ba97ef27a4edeb7d7fe65a665efb2954f29ce998be963ebf14219c02eb0912b11d84436fddc5983bcef1573494cbffe87ce91b08b86083f653e8202916895c2202cf5776f15206a18f761b0b008c437eb1ff39cb36ac2ababc18097120e68a551bf", 0x78, 0x6}, {&(0x7f0000000340)="90d2295d9fe0db6619a9e208f7b812283440620405e0f7f1c0ac195adde4d1d3ee1bfa6684413c71790e0b9c6cc591f35a9a422fb4af10c8ab7957058940a28f28dc8c2f50af064106e39e2a01506951af88fe5d2ebfa8314718825d8b9be158f9660eeae5f139bf", 0x68, 0x4e7}, {&(0x7f0000000480)="eb9b383eb4288c1be7e2cec09c32d17c94c84767c3b698eec894479ff882821b26346fbb7bdfcf8b7666819cfd2ec83530ac526ba3b6fa42cf53080c9a187e1bcb81abafc46adc17190937c42bd3be1931e5f9be37feb7af54d32611b457e3bc5d0d4634fd4f146ed9534c5729c24fdfb39e5f2a846a6bfe280bb567e6a0cf2c05fa3e57b9d9803e995c13cb3a9cd3d1762aa0dd59eb5e31a8de493b83d102e681fc5e5ef111afe54e087c9d51806b84a83cba2fa892565656e00c3bd16e7c497f5558", 0xc3, 0x1f}, {&(0x7f00000006c0)="838bbd0fe118a525279ffdfb9f227d4b41737f3f2af98a54a6ca44abc61f2f0d04c61f27607e08adce4c84692c632bd82d1039b1232994c10911756bcfe9e62ac9543a134b712f76e512a2004a7a4b4c9b7e1456a04c48d540d8ca16e6bc8eb45ad2b6acb4bc555693eb08940a078dc1ee3c51f66cca2a36303d1f055ed5c2f8f77a22cc990f7463b1f2cb941ede2a8afe3a984be69725f79f9db0f61833769aa537709b5bd1427af674ece84e8759750c348dae64bf6232aface8c5157d1a8504469e78ce92ac5f2e094e28a90d33e7fc2e258d16ea", 0xd6, 0x5}, {&(0x7f00000007c0)="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", 0xfc, 0x8}, {&(0x7f00000008c0)="44f813cfed3fbffbe3f5904f2534510a9bef907d77c4ebff422943fa325e72d0c356bdc5f570994865d6528c306adb8e013536c22b688c6ee887be3acd947c042b226fdd1808defb028d101eed75f898dc60be1675c1920eb2b41c463117ad5d25c578468273fda47cb2b6201c939bf652f9db2b7b2da822761937fbcfa7a9fbb109deae692aac53b3c78323f17a6ff7eec1480c7d3835bd822263c9f2e0f12992eb5625eb83e33d5fe7d09aa549b3d8669329", 0xb3, 0x6}, {&(0x7f00000003c0)="be219dd5cb15cd165ce30230e757e7ab2dc5badbc961c74e49693a87ac6127841f66856c1c5c4c61d4e848d46d4817e7d4e9fe6a4f80ec76f733c43169", 0x3d, 0x9}], 0x0, &(0x7f0000000a40)={[{@show_sys_files_no={'show_sys_files=no', 0x3d, [0x38, 0x623a46b93805eb63, 0x0, 0x2d, 0x3f, 0x31, 0x3a, 0x78]}, 0x2c}, {@show_sys_files_yes={'show_sys_files=yes', 0x3d, [0x38]}, 0x2c}, {@errors_remount='errors=remount-ro', 0x2c}, {@errors_continue='errors=continue', 0x2c}]}) [ 1492.629904] BTRFS error (device loop1): superblock checksum mismatch [ 1492.648806] BTRFS error (device loop1): open_ctree failed [ 1492.672307] BTRFS error (device loop1): superblock checksum mismatch 03:39:51 executing program 4: r0 = socket$nl_xfrm(0x10, 0x3, 0x6) sendmsg$nl_xfrm(r0, &(0x7f0000000400)={&(0x7f0000000040)={0x10}, 0xc, &(0x7f00000001c0)={&(0x7f0000000080)=@updpolicy={0xb8, 0x14, 0x407, 0x0, 0x0, {{@in=@loopback=0x7f000001, @in6=@ipv4={[0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x3000000], [0xff, 0xff], @dev={0xac, 0x14, 0x14}}, 0x0, 0x0, 0x0, 0x0, 0x2}}}, 0xb8}, 0x1}, 0x0) 03:39:51 executing program 7: sendmsg$IPVS_CMD_FLUSH(0xffffffffffffffff, &(0x7f0000000340)={&(0x7f0000000100)={0x10}, 0xc, &(0x7f00000002c0)={&(0x7f00000001c0)=ANY=[@ANYBLOB='P\x00\x00\x00', @ANYBLOB="00000000000000000000110000002800030014000200697064647030000000000000000000000800040000000000080001000000000014000100080009000000000008005f50e2470000"], 0x2}, 0x1}, 0x0) r0 = socket$nl_generic(0x10, 0x3, 0x10) sendmsg$nl_generic(r0, &(0x7f00003cefe4)={&(0x7f0000000300)={0x10, 0x36200}, 0xc, &(0x7f0000007ff0)={&(0x7f0000000180)={0xffce, 0x2e, 0x6fd, 0x0, 0x0, {0x2004}, [@nested={0xc, 0x0, [@typed={0x62, 0x9, @ipv4}]}]}, 0xffce}, 0x1, 0x0, 0x0, 0x700000000000000}, 0x0) 03:39:51 executing program 1: r0 = socket$inet6(0xa, 0x1000000000002, 0x0) ioctl(r0, 0x8912, &(0x7f0000000280)="025cc83d6d345f8f762070") syz_mount_image$btrfs(&(0x7f0000000080)='btrfs\x00', &(0x7f0000000100)='./file0\x00', 0x0, 0x1, &(0x7f0000000200)=[{&(0x7f0000000500)="8da4363a0000000087e000000000004d01000000000000000000000000000000ecf6f2a2299748aeb81e1b00920efd9a000001000000000001000000000000005f42485266535f4dd2f873574f257e0a01e2a6a02f5e071383fa5a669a53f2fe9eb4eb7918628af41b", 0x69, 0x10000}], 0x0, &(0x7f0000000240)) [ 1492.720527] 9pnet: p9_errstr2errno: server reported unknown error  [ 1492.728722] BTRFS error (device loop1): open_ctree failed [ 1492.740614] ntfs: (device loop6): parse_options(): The show_sys_files option requires a boolean argument. 03:39:51 executing program 0: perf_event_open(&(0x7f0000000180)={0x2, 0x70, 0x3e5}, 0x0, 0x0, 0xffffffffffffffff, 0x0) r0 = socket$inet_udp(0x2, 0x2, 0x0) sendto$inet(r0, &(0x7f0000000000), 0x0, 0x400c000, &(0x7f000083b000)={0x2, 0x4e20}, 0x10) r1 = openat$qat_adf_ctl(0xffffffffffffff9c, &(0x7f0000000040)='/dev/qat_adf_ctl\x00', 0x40000, 0x0) setsockopt$inet_sctp6_SCTP_DISABLE_FRAGMENTS(r1, 0x84, 0x8, &(0x7f00000000c0)=0x6, 0x4) r2 = syz_open_procfs(0x0, &(0x7f0000000100)="6e65742f75647000d948fab3a866d917587f8ba766a84bf6ba468320610e574896a5751fb6298326") sendfile(r0, r2, &(0x7f0000000000), 0xff) [ 1492.771366] BTRFS error (device loop2): unsupported checksum algorithm 3786 [ 1492.778576] BTRFS error (device loop2): superblock checksum mismatch [ 1492.802513] BTRFS error (device loop2): open_ctree failed [ 1492.827510] BTRFS error (device loop2): unsupported checksum algorithm 3786 [ 1492.834736] BTRFS error (device loop2): superblock checksum mismatch [ 1492.842049] BTRFS error (device loop2): open_ctree failed 03:39:51 executing program 5: r0 = syz_open_dev$sndseq(&(0x7f0000dcc000)='/dev/snd/seq\x00', 0x0, 0x0) read(r0, &(0x7f0000000280)=""/28, 0x58) ioctl$SNDRV_SEQ_IOCTL_CREATE_PORT(r0, 0xc0a85320, &(0x7f0000418f50)={{0x80}, "0a4ceaa05d9a00000000000000039b3fd4cec307e8ef3d13eb790ec9c65abaf90d229db692542e5b78f8b29e0a27800f0000000000000009fb42f376589701a4", 0xa9824f69d1376637, 0x10800a}) ioctl$SNDRV_SEQ_IOCTL_REMOVE_EVENTS(r0, 0x4040534e, &(0x7f000019ffe9)={0xc1}) ioctl$SNDRV_SEQ_IOCTL_SET_PORT_INFO(r0, 0x40a85323, &(0x7f0000000080)={{}, 'port1\x00'}) ioctl$SNDRV_SEQ_IOCTL_SUBSCRIBE_PORT(r0, 0x40505330, &(0x7f0000000140)) openat$sequencer2(0xffffffffffffff9c, &(0x7f0000000040)='/dev/sequencer2\x00', 0x0, 0x0) 03:39:51 executing program 4: r0 = socket$nl_xfrm(0x10, 0x3, 0x6) sendmsg$nl_xfrm(r0, &(0x7f0000000400)={&(0x7f0000000040)={0x10}, 0xc, &(0x7f00000001c0)={&(0x7f0000000080)=@updpolicy={0xb8, 0x14, 0x407, 0x0, 0x0, {{@in=@loopback=0x7f000001, @in6=@ipv4={[0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x2000], [0xff, 0xff], @dev={0xac, 0x14, 0x14}}, 0x0, 0x0, 0x0, 0x0, 0x2}}}, 0xb8}, 0x1}, 0x0) 03:39:51 executing program 7: sendmsg$IPVS_CMD_FLUSH(0xffffffffffffffff, &(0x7f0000000340)={&(0x7f0000000100)={0x10}, 0xc, &(0x7f00000002c0)={&(0x7f00000001c0)=ANY=[@ANYBLOB='P\x00\x00\x00', @ANYBLOB="00000000000000000000110000002800030014000200697064647030000000000000000000000800040000000000080001000000000014000100080009000000000008005f50e2470000"], 0x2}, 0x1}, 0x0) r0 = socket$nl_generic(0x10, 0x3, 0x10) sendmsg$nl_generic(r0, &(0x7f00003cefe4)={&(0x7f0000000300)={0x10, 0x36200}, 0xc, &(0x7f0000007ff0)={&(0x7f0000000180)={0xffce, 0x2e, 0x6fd, 0x0, 0x0, {0x2004}, [@nested={0xc, 0x0, [@typed={0x62, 0x9, @ipv4}]}]}, 0xffce}, 0x1, 0x0, 0x0, 0x8000000}, 0x0) 03:39:51 executing program 6: perf_event_open(&(0x7f0000000180)={0x2, 0x70, 0x3e5}, 0x0, 0x0, 0xffffffffffffffff, 0x0) ioctl$KVM_CREATE_VM(0xffffffffffffffff, 0xae01, 0x0) pipe2$9p(&(0x7f0000000000)={0xffffffffffffffff, 0xffffffffffffffff}, 0x0) r2 = openat$hwrng(0xffffffffffffff9c, &(0x7f00000000c0)='/dev/hwrng\x00', 0x800, 0x0) setsockopt$inet_int(r2, 0x0, 0x0, &(0x7f0000000140)=0x3, 0x4) write$P9_RLERRORu(r1, &(0x7f0000000080)=ANY=[@ANYBLOB="1400000007ffff1f00"], 0x9) mkdir(&(0x7f0000000100)='./file0\x00', 0x20) mount$9p_fd(0x0, &(0x7f00000005c0)='./file0\x00', &(0x7f0000000600)='9p\x00', 0x0, &(0x7f0000000200)=ANY=[@ANYBLOB='trans=fd,rfdno=', @ANYRESHEX=r0, @ANYBLOB="2c7766646e6f3d5c0ae757c872ac0c948e8d8be7b8a5952847891950580245795300664becad0ddfbb8f72e222920dbe4ed6040b4104a48c4fa59b2106b72b96de75f7cbd123a007556be29ddb867777badaddc00965805766a147dc66980cad0a20fdf5ff77074d17dce505d2c7c90f8ee5431970ac072252f093e629983d29a0940000000000", @ANYRESHEX=r1, @ANYBLOB=',version=9p2000,\x00']) r3 = socket$inet_sctp(0x2, 0x5, 0x84) write$P9_RSYMLINK(r1, &(0x7f0000000040)={0x14, 0x11, 0x2, {0xe3, 0x4, 0x3}}, 0x14) write$P9_RWSTAT(r1, &(0x7f0000000480)={0x7, 0x7f, 0x1}, 0x7) recvmsg$kcm(r2, &(0x7f0000001780)={&(0x7f0000000300)=@vsock={0x0, 0x0, 0x0, @my}, 0x80, &(0x7f0000000540)=[{&(0x7f0000000380)=""/214, 0xd6}, {&(0x7f0000000480)}, {&(0x7f0000000640)=""/4096, 0x1000}, {&(0x7f00000004c0)=""/109, 0x6d}, {&(0x7f0000001640)=""/135, 0x87}], 0x5, &(0x7f0000001700)=""/127, 0x7f, 0xae}, 0x12020) ioctl$sock_inet_SIOCGIFDSTADDR(r3, 0x8917, &(0x7f00000017c0)={'ip6gre0\x00', {0x2, 0x4e22, @dev={0xac, 0x14, 0x14, 0x1f}}}) 03:39:51 executing program 0: perf_event_open(&(0x7f0000000180)={0x2, 0x70, 0x3e5, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x6, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xfffffffffffffff8}, 0x0, 0x0, 0xffffffffffffffff, 0x0) r0 = socket$inet_udp(0x2, 0x2, 0x0) sendto$inet(r0, &(0x7f0000000000), 0x0, 0x400c000, &(0x7f000083b000)={0x2, 0x4e20}, 0x10) sendfile(r0, 0xffffffffffffffff, &(0x7f0000000000), 0x194c054d) 03:39:51 executing program 2: r0 = socket$inet6(0xa, 0x1000000000002, 0x0) ioctl(r0, 0x8912, &(0x7f0000000280)="025cc83d6d345f8f762070") syz_mount_image$btrfs(&(0x7f0000000080)='btrfs\x00', &(0x7f0000000100)='./file0\x00', 0x0, 0x1, &(0x7f0000000200)=[{&(0x7f0000000500)="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", 0x116, 0x10000}], 0x0, &(0x7f0000000240)) 03:39:51 executing program 1: r0 = socket$inet6(0xa, 0x1000000000002, 0x0) ioctl(r0, 0x8912, &(0x7f0000000280)="025cc83d6d345f8f762070") syz_mount_image$btrfs(&(0x7f0000000080)='btrfs\x00', &(0x7f0000000100)='./file0\x00', 0x0, 0x1, &(0x7f0000000200)=[{&(0x7f0000000500)="8da4363a00000000000115230000004d01000000000000000000000000000000ecf6f2a2299748aeb81e1b00920efd9a000001000000000001000000000000005f42485266535f4dd2f873574f257e0a01e2a6a02f5e071383fa5a669a53f2fe9eb4eb7918628af41b", 0x69, 0x10000}], 0x0, &(0x7f0000000240)) 03:39:51 executing program 3: r0 = socket$inet(0x2, 0x4000000000000001, 0x0) setsockopt$inet_tcp_TCP_CONGESTION(r0, 0x6, 0xd, &(0x7f0000000140)='nv\x00', 0x3) sendto$inet(r0, &(0x7f0000a88f88), 0xfffffffffffffe6e, 0x20000000, &(0x7f0000e68000)={0x2, 0x0, @local={0xac, 0x14, 0x14, 0xaa}, [0x0, 0x0, 0x100000000000000]}, 0x10) shutdown(r0, 0x0) [ 1493.547013] 9pnet: Insufficient options for proto=fd 03:39:51 executing program 4: r0 = socket$nl_xfrm(0x10, 0x3, 0x6) sendmsg$nl_xfrm(r0, &(0x7f0000000400)={&(0x7f0000000040)={0x10}, 0xc, &(0x7f00000001c0)={&(0x7f0000000080)=@updpolicy={0xb8, 0x14, 0x407, 0x0, 0x0, {{@in=@loopback=0x7f000001, @in6=@ipv4={[0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xffffff9e], [0xff, 0xff], @dev={0xac, 0x14, 0x14}}, 0x0, 0x0, 0x0, 0x0, 0x2}}}, 0xb8}, 0x1}, 0x0) 03:39:51 executing program 0: perf_event_open(&(0x7f0000000180)={0x2, 0x70, 0x3e5}, 0x0, 0x0, 0xffffffffffffffff, 0x0) r0 = socket$inet_udp(0x2, 0x2, 0x0) sendto$inet(r0, &(0x7f0000000000), 0x0, 0x400c000, &(0x7f000083b000)={0x2, 0x4e20}, 0x10) r1 = syz_open_procfs(0x0, &(0x7f0000000080)='net/udp\x00') sendfile(r0, r1, &(0x7f0000000000), 0xff) setsockopt$IP_VS_SO_SET_ADD(r0, 0x0, 0x482, &(0x7f0000000040)={0x3c, @rand_addr=0x8, 0x4e24, 0x0, 'wlc\x00', 0x0, 0x9, 0x3a}, 0x2c) 03:39:51 executing program 7: sendmsg$IPVS_CMD_FLUSH(0xffffffffffffffff, &(0x7f0000000340)={&(0x7f0000000100)={0x10}, 0xc, &(0x7f00000002c0)={&(0x7f00000001c0)=ANY=[@ANYBLOB='P\x00\x00\x00', @ANYBLOB="00000000000000000000110000002800030014000200697064647030000000000000000000000800040000000000080001000000000014000100080009000000000008005f50e2470000"], 0x2}, 0x1}, 0x0) r0 = socket$nl_generic(0x10, 0x3, 0x10) sendmsg$nl_generic(r0, &(0x7f00003cefe4)={&(0x7f0000000300)={0x10, 0x36200}, 0xc, &(0x7f0000007ff0)={&(0x7f0000000180)={0xffce, 0x2e, 0x6fd, 0x0, 0x0, {0x2004}, [@nested={0xc, 0x0, [@typed={0x62, 0x9, @ipv4}]}]}, 0xffce}, 0x1, 0x0, 0x0, 0xa000000}, 0x0) [ 1493.567676] BTRFS error (device loop2): unsupported checksum algorithm 3786 [ 1493.574857] BTRFS error (device loop2): superblock checksum mismatch [ 1493.586437] 9pnet: Insufficient options for proto=fd [ 1493.598655] BTRFS error (device loop2): open_ctree failed 03:39:51 executing program 2: r0 = socket$inet6(0xa, 0x1000000000002, 0x0) ioctl(r0, 0x8912, &(0x7f0000000280)="025cc83d6d345f8f762070") syz_mount_image$btrfs(&(0x7f0000000080)='btrfs\x00', &(0x7f0000000100)='./file0\x00', 0x0, 0x1, &(0x7f0000000200)=[{&(0x7f0000000500)="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", 0x116, 0x10000}], 0x0, &(0x7f0000000240)) 03:39:51 executing program 6: perf_event_open(&(0x7f0000000180)={0x2, 0x70, 0x3e5}, 0x0, 0x0, 0xffffffffffffffff, 0x0) ioctl$KVM_CREATE_VM(0xffffffffffffffff, 0xae01, 0x0) pipe2$9p(&(0x7f0000000000)={0xffffffffffffffff, 0xffffffffffffffff}, 0x0) write$P9_RLERRORu(r1, &(0x7f0000000080)=ANY=[@ANYBLOB="1400000007ffff0700"], 0x9) mkdir(&(0x7f0000000440)='./file0\x00', 0x0) mount$9p_fd(0x0, &(0x7f00000005c0)='./file0\x00', &(0x7f0000000600)='9p\x00', 0x0, &(0x7f0000000200)={'trans=fd,', {'rfdno', 0x3d, r0}, 0x2c, {'wfdno', 0x3d, r1}, 0x2c, {[{@version_9p2000='version=9p2000', 0x2c}]}}) [ 1493.614485] BTRFS error (device loop2): unsupported checksum algorithm 3786 [ 1493.621670] BTRFS error (device loop2): superblock checksum mismatch [ 1493.655155] IPVS: set_ctl: invalid protocol: 60 0.0.0.8:20004 03:39:52 executing program 4: r0 = socket$nl_xfrm(0x10, 0x3, 0x6) sendmsg$nl_xfrm(r0, &(0x7f0000000400)={&(0x7f0000000040)={0x10}, 0xc, &(0x7f00000001c0)={&(0x7f0000000080)=@updpolicy={0xb8, 0x14, 0x407, 0x0, 0x0, {{@in=@loopback=0x7f000001, @in6=@ipv4={[0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xffffff7f], [0xff, 0xff], @dev={0xac, 0x14, 0x14}}, 0x0, 0x0, 0x0, 0x0, 0x2}}}, 0xb8}, 0x1}, 0x0) 03:39:52 executing program 7: sendmsg$IPVS_CMD_FLUSH(0xffffffffffffffff, &(0x7f0000000340)={&(0x7f0000000100)={0x10}, 0xc, &(0x7f00000002c0)={&(0x7f00000001c0)=ANY=[@ANYBLOB='P\x00\x00\x00', @ANYBLOB="00000000000000000000110000002800030014000200697064647030000000000000000000000800040000000000080001000000000014000100080009000000000008005f50e2470000"], 0x2}, 0x1}, 0x0) r0 = socket$nl_generic(0x10, 0x3, 0x10) sendmsg$nl_generic(r0, &(0x7f00003cefe4)={&(0x7f0000000300)={0x10, 0x36200}, 0xc, &(0x7f0000007ff0)={&(0x7f0000000180)={0xffce, 0x2e, 0x6fd, 0x0, 0x0, {0x2004}, [@nested={0xc, 0x0, [@typed={0x62, 0x9, @ipv4}]}]}, 0xffce}, 0x1, 0x0, 0x0, 0x6c000000}, 0x0) [ 1493.684745] BTRFS error (device loop2): open_ctree failed [ 1493.692064] IPVS: set_ctl: invalid protocol: 60 0.0.0.8:20004 [ 1493.709441] 9pnet: p9_errstr2errno: server reported unknown error  [ 1493.717942] BTRFS error (device loop1): superblock checksum mismatch 03:39:52 executing program 1: r0 = socket$inet6(0xa, 0x1000000000002, 0x0) ioctl(r0, 0x8912, &(0x7f0000000280)="025cc83d6d345f8f762070") syz_mount_image$btrfs(&(0x7f0000000080)='btrfs\x00', &(0x7f0000000100)='./file0\x00', 0x0, 0x1, &(0x7f0000000200)=[{&(0x7f0000000500)="8da4363a00000000000000000000002501000000000000000000000000000000ecf6f2a2299748aeb81e1b00920efd9a000001000000000001000000000000005f42485266535f4dd2f873574f257e0a01e2a6a02f5e071383fa5a669a53f2fe9eb4eb7918628af41b", 0x69, 0x10000}], 0x0, &(0x7f0000000240)) [ 1493.732177] 9pnet: p9_errstr2errno: server reported unknown error  [ 1493.747849] BTRFS error (device loop1): open_ctree failed [ 1493.779558] print_req_error: I/O error, dev loop1, sector 128 [ 1493.787890] BTRFS error (device loop2): unsupported checksum algorithm 3786 [ 1493.795164] BTRFS error (device loop2): superblock checksum mismatch [ 1493.804256] BTRFS error (device loop2): open_ctree failed [ 1493.812864] BTRFS error (device loop2): unsupported checksum algorithm 3786 [ 1493.820066] BTRFS error (device loop2): superblock checksum mismatch [ 1493.841973] BTRFS error (device loop2): open_ctree failed 03:39:52 executing program 5: r0 = syz_open_dev$sndseq(&(0x7f0000dcc000)='/dev/snd/seq\x00', 0x0, 0x0) read(r0, &(0x7f0000000280)=""/28, 0x58) ioctl$SNDRV_SEQ_IOCTL_CREATE_PORT(r0, 0xc0a85320, &(0x7f0000418f50)={{0x80}, "0a4ceaa05d9a00000000000000039b3fd4cec307e8ef3d13eb790ec9c65abaf90d229db692542e5b78f8b29e0a27800f0000000000000009fb42f376589701a4", 0xa9824f69d1376637, 0x10800a}) ioctl$SNDRV_SEQ_IOCTL_REMOVE_EVENTS(r0, 0x4040534e, &(0x7f000019ffe9)={0xc1}) ioctl$SNDRV_SEQ_IOCTL_SET_PORT_INFO(r0, 0x40a85323, &(0x7f0000000080)={{0x80}, 'port1\x00'}) ioctl$SNDRV_SEQ_IOCTL_SUBSCRIBE_PORT(0xffffffffffffffff, 0x40505330, &(0x7f0000000140)) openat$sequencer2(0xffffffffffffff9c, &(0x7f0000000040)='/dev/sequencer2\x00', 0x0, 0x0) 03:39:52 executing program 0: perf_event_open(&(0x7f0000000180)={0x2, 0x70, 0x3e5}, 0x0, 0x0, 0xffffffffffffffff, 0x0) r0 = socket$inet_udp(0x2, 0x2, 0x0) sendto$inet(r0, &(0x7f0000000000), 0x0, 0x400c000, &(0x7f000083b000)={0x2, 0x4e20}, 0x10) r1 = syz_open_dev$midi(&(0x7f0000000040)='/dev/midi#\x00', 0x0, 0x400) ioctl$VHOST_RESET_OWNER(r1, 0xaf02, 0x0) r2 = syz_open_procfs(0x0, &(0x7f0000000080)='net/udp\x00') sendfile(r0, r2, &(0x7f0000000000), 0xff) 03:39:52 executing program 4: r0 = socket$nl_xfrm(0x10, 0x3, 0x6) sendmsg$nl_xfrm(r0, &(0x7f0000000400)={&(0x7f0000000040)={0x10}, 0xc, &(0x7f00000001c0)={&(0x7f0000000080)=@updpolicy={0xb8, 0x14, 0x407, 0x0, 0x0, {{@in=@loopback=0x7f000001, @in6=@ipv4={[0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xf0ffffff00000000], [0xff, 0xff], @dev={0xac, 0x14, 0x14}}, 0x0, 0x0, 0x0, 0x0, 0x2}}}, 0xb8}, 0x1}, 0x0) 03:39:52 executing program 6: perf_event_open(&(0x7f0000000180)={0x2, 0x70, 0x3e5}, 0x0, 0x0, 0xffffffffffffffff, 0x0) ioctl$KVM_CREATE_VM(0xffffffffffffffff, 0xae01, 0x0) pipe2$9p(&(0x7f0000000000)={0xffffffffffffffff, 0xffffffffffffffff}, 0x0) write$P9_RLERRORu(r1, &(0x7f0000000080)=ANY=[@ANYBLOB="1400ff0007ffff0700"], 0x9) r2 = syz_open_dev$admmidi(&(0x7f0000000280)='/dev/admmidi#\x00', 0x7, 0x240840) getpeername$unix(r2, &(0x7f00000002c0), &(0x7f0000000340)=0x6e) mkdir(&(0x7f0000000440)='./file0\x00', 0x0) mount$9p_fd(0x0, &(0x7f00000005c0)='./file0\x00', &(0x7f0000000600)='9p\x00', 0x0, &(0x7f0000000640)={'trans=fd,', {'rfdno', 0x3d, r0}, 0x2c, {'wfdno', 0x3d, r1}, 0x2c, {[{@version_9p2000='version=9p2000', 0x2c}]}}) 03:39:52 executing program 7: sendmsg$IPVS_CMD_FLUSH(0xffffffffffffffff, &(0x7f0000000340)={&(0x7f0000000100)={0x10}, 0xc, &(0x7f00000002c0)={&(0x7f00000001c0)=ANY=[@ANYBLOB='P\x00\x00\x00', @ANYBLOB="00000000000000000000110000002800030014000200697064647030000000000000000000000800040000000000080001000000000014000100080009000000000008005f50e2470000"], 0x2}, 0x1}, 0x0) r0 = socket$nl_generic(0x10, 0x3, 0x10) sendmsg$nl_generic(r0, &(0x7f00003cefe4)={&(0x7f0000000300)={0x10, 0x36200}, 0xc, &(0x7f0000007ff0)={&(0x7f0000000180)={0xffce, 0x2e, 0x6fd, 0x0, 0x0, {0x2004}, [@nested={0xc, 0x0, [@typed={0x62, 0x9, @ipv4}]}]}, 0xffce}, 0x1, 0x0, 0x0, 0x900}, 0x0) 03:39:52 executing program 2: r0 = socket$inet6(0xa, 0x1000000000002, 0x0) ioctl(r0, 0x8912, &(0x7f0000000280)="025cc83d6d345f8f762070") syz_mount_image$btrfs(&(0x7f0000000080)='btrfs\x00', &(0x7f0000000100)='./file0\x00', 0x0, 0x1, &(0x7f0000000200)=[{&(0x7f0000000500)="8da4363a0000000000000b100000004d01000000000000000000000000000000ecf6f2a2299748aeb81e1b00920efd9a000001000000000001000000000000005f42485266535f4dd2f873574f257e0a01e2a6a02f5e071383fa5a669a53f2fe9eb4eb7918628af41b035fd98372e7c2a6970f550441f0b263dca46c12ce6aaa994fbb4b3493ca901878bb330d2db8e953fc883f9c754f419e963874199295a945ec867b4f224fde52268a81e1154b80f7076f32b6eb8614c672ecdecd385a1a7b8cac7cca0eb0cdbf1c5ee539c37d1f23b763ce55672b8e492664e624e0efe078f2e3aa38061af373a3d160cfbe9b6318577fabec9baa14a9377d7ffef2b72f36353de7db160717b00a6f6055d08594df3bff1ac4f0", 0x116, 0x10000}], 0x0, &(0x7f0000000240)) 03:39:52 executing program 1: r0 = socket$inet6(0xa, 0x1000000000002, 0x0) ioctl(r0, 0x8912, &(0x7f0000000280)="025cc83d6d345f8f762070") syz_mount_image$btrfs(&(0x7f0000000080)='btrfs\x00', &(0x7f0000000100)='./file0\x00', 0x0, 0x1, &(0x7f0000000200)=[{&(0x7f0000000500)="8da4363a00000000100000000000004d01000000000000000000000000000000ecf6f2a2299748aeb81e1b00920efd9a000001000000000001000000000000005f42485266535f4dd2f873574f257e0a01e2a6a02f5e071383fa5a669a53f2fe9eb4eb7918628af41b", 0x69, 0x10000}], 0x0, &(0x7f0000000240)) 03:39:52 executing program 3: r0 = socket$inet(0x2, 0x4000000000000001, 0x0) setsockopt$inet_tcp_TCP_CONGESTION(r0, 0x6, 0xd, &(0x7f0000000140)='nv\x00', 0x3) sendto$inet(r0, &(0x7f0000a88f88), 0xfffffffffffffe6e, 0x20000000, &(0x7f0000e68000)={0x2, 0x0, @local={0xac, 0x14, 0x14, 0xaa}, [0x0, 0x0, 0x900]}, 0x10) shutdown(r0, 0x0) 03:39:52 executing program 6: r0 = perf_event_open(&(0x7f0000000180)={0x2, 0x70, 0x3e5, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xfffffffffffffffc, 0x0, 0x0, 0x0, 0x0, 0xfffffffffffffffd}, 0x0, 0x0, 0xffffffffffffffff, 0x0) mkdir(&(0x7f00000006c0)='./file0\x00', 0x120) ioctl$KVM_CREATE_VM(0xffffffffffffffff, 0xae01, 0x0) ioctl$TIOCGPGRP(r0, 0x540f, &(0x7f0000000140)=0x0) process_vm_readv(r1, &(0x7f00000003c0)=[{&(0x7f00000002c0)=""/182, 0xb6}, {&(0x7f0000000380)=""/17, 0x11}], 0x2, &(0x7f0000000580)=[{&(0x7f0000000480)=""/241, 0xf1}, {&(0x7f0000000400)=""/18, 0x12}], 0x2, 0x0) pipe2$9p(&(0x7f0000000000)={0xffffffffffffffff, 0xffffffffffffffff}, 0x0) write$P9_RLERRORu(r3, &(0x7f0000000080)=ANY=[@ANYBLOB="1400000007ffff0700"], 0x9) mkdir(&(0x7f0000000440)='./file0\x00', 0x0) mount$9p_fd(0x0, &(0x7f00000005c0)='./file0\x00', &(0x7f0000000600)='9p\x00', 0x0, &(0x7f0000000640)={'trans=fd,', {'rfdno', 0x3d, r2}, 0x2c, {'wfdno', 0x3d, r3}, 0x2c, {[{@version_9p2000='version=9p2000', 0x2c}]}}) lstat(&(0x7f0000000040)='./file0\x00', &(0x7f00000000c0)={0x0, 0x0, 0x0, 0x0, 0x0}) r5 = getgid() pipe(&(0x7f0000000700)={0xffffffffffffffff, 0xffffffffffffffff}) setsockopt$bt_BT_VOICE(r6, 0x112, 0xb, &(0x7f0000000800)=0x7ff, 0x2) write$evdev(r6, &(0x7f0000000740)=[{{0x0, 0x7530}, 0x5, 0x4000000000000, 0x7}, {{0x0, 0x7530}, 0x3, 0x1, 0xe2e9}, {{}, 0x1, 0x5, 0x3}, {{}, 0xfffffffffffffff9, 0xffffffff, 0x4}], 0x60) openat(r6, &(0x7f00000007c0)='./file0\x00', 0x100, 0x4) write$P9_RGETATTR(r0, &(0x7f0000000200)={0xa0, 0x19, 0x2, {0x0, {0x99, 0x3, 0x4}, 0x21, r4, r5, 0x6, 0x1000, 0x5, 0x6, 0x5, 0x4, 0x9, 0x1, 0x80000000, 0x1, 0x7f, 0x401, 0x10001, 0x7fff, 0x88}}, 0xa0) 03:39:52 executing program 4: r0 = socket$nl_xfrm(0x10, 0x3, 0x6) sendmsg$nl_xfrm(r0, &(0x7f0000000400)={&(0x7f0000000040)={0x10}, 0xc, &(0x7f00000001c0)={&(0x7f0000000080)=@updpolicy={0xb8, 0x14, 0x407, 0x0, 0x0, {{@in=@loopback=0x7f000001, @in6=@ipv4={[0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xf], [0xff, 0xff], @dev={0xac, 0x14, 0x14}}, 0x0, 0x0, 0x0, 0x0, 0x2}}}, 0xb8}, 0x1}, 0x0) 03:39:52 executing program 7: sendmsg$IPVS_CMD_FLUSH(0xffffffffffffffff, &(0x7f0000000340)={&(0x7f0000000100)={0x10}, 0xc, &(0x7f00000002c0)={&(0x7f00000001c0)=ANY=[@ANYBLOB='P\x00\x00\x00', @ANYBLOB="00000000000000000000110000002800030014000200697064647030000000000000000000000800040000000000080001000000000014000100080009000000000008005f50e2470000"], 0x2}, 0x1}, 0x0) r0 = socket$nl_generic(0x10, 0x3, 0x10) sendmsg$nl_generic(r0, &(0x7f00003cefe4)={&(0x7f0000000300)={0x10, 0x36200}, 0xc, &(0x7f0000007ff0)={&(0x7f0000000180)={0xffce, 0x2e, 0x6fd, 0x0, 0x0, {0x2004}, [@nested={0xc, 0x0, [@typed={0x62, 0x9, @ipv4}]}]}, 0xffce}, 0x1, 0x0, 0x0, 0x7400000000000000}, 0x0) 03:39:52 executing program 0: perf_event_open(&(0x7f0000000180)={0x2, 0x70, 0x3e5}, 0x0, 0x0, 0xffffffffffffffff, 0x0) r0 = socket$inet_udp(0x2, 0x2, 0x0) keyctl$join(0x1, &(0x7f0000000040)={0x73, 0x79, 0x7a, 0x1}) sendto$inet(r0, &(0x7f0000000000), 0x0, 0x400c000, &(0x7f000083b000)={0x2, 0x4e20}, 0x10) ioctl$sock_inet_SIOCSIFADDR(r0, 0x8916, &(0x7f0000000100)={'bcsh0\x00', {0x2, 0x4e22}}) r1 = syz_open_procfs(0x0, &(0x7f0000000080)='net/udp\x00') ioctl$SG_SET_TIMEOUT(r1, 0x2201, &(0x7f00000000c0)=0xadb) sendfile(r0, r1, &(0x7f0000000000), 0xff) [ 1494.540604] BTRFS error (device loop1): superblock checksum mismatch [ 1494.555289] BTRFS error (device loop1): open_ctree failed [ 1494.575234] BTRFS error (device loop1): superblock checksum mismatch 03:39:52 executing program 1: r0 = socket$inet6(0xa, 0x1000000000002, 0x0) ioctl(r0, 0x8912, &(0x7f0000000280)="025cc83d6d345f8f762070") syz_mount_image$btrfs(&(0x7f0000000080)='btrfs\x00', &(0x7f0000000100)='./file0\x00', 0x0, 0x1, &(0x7f0000000200)=[{&(0x7f0000000500)="8da4363a000000000000000a0000004d01000000000000000000000000000000ecf6f2a2299748aeb81e1b00920efd9a000001000000000001000000000000005f42485266535f4dd2f873574f257e0a01e2a6a02f5e071383fa5a669a53f2fe9eb4eb7918628af41b", 0x69, 0x10000}], 0x0, &(0x7f0000000240)) [ 1494.591015] 9pnet: p9_errstr2errno: server reported unknown error  [ 1494.606027] BTRFS error (device loop1): open_ctree failed 03:39:52 executing program 4: r0 = socket$nl_xfrm(0x10, 0x3, 0x6) sendmsg$nl_xfrm(r0, &(0x7f0000000400)={&(0x7f0000000040)={0x10}, 0xc, &(0x7f00000001c0)={&(0x7f0000000080)=@updpolicy={0xb8, 0x14, 0x407, 0x0, 0x0, {{@in=@loopback=0x7f000001, @in6=@ipv4={[0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x100000000000000], [0xff, 0xff], @dev={0xac, 0x14, 0x14}}, 0x0, 0x0, 0x0, 0x0, 0x2}}}, 0xb8}, 0x1}, 0x0) 03:39:52 executing program 7: sendmsg$IPVS_CMD_FLUSH(0xffffffffffffffff, &(0x7f0000000340)={&(0x7f0000000100)={0x10}, 0xc, &(0x7f00000002c0)={&(0x7f00000001c0)=ANY=[@ANYBLOB='P\x00\x00\x00', @ANYBLOB="00000000000000000000110000002800030014000200697064647030000000000000000000000800040000000000080001000000000014000100080009000000000008005f50e2470000"], 0x2}, 0x1}, 0x0) r0 = socket$nl_generic(0x10, 0x3, 0x10) sendmsg$nl_generic(r0, &(0x7f00003cefe4)={&(0x7f0000000300)={0x10, 0x36200}, 0xc, &(0x7f0000007ff0)={&(0x7f0000000180)={0xffce, 0x2e, 0x6fd, 0x0, 0x0, {0x2004}, [@nested={0xc, 0x0, [@typed={0x62, 0x9, @ipv4}]}]}, 0xffce}, 0x1, 0x0, 0x0, 0x9effffff00000000}, 0x0) [ 1494.637317] BTRFS error (device loop2): unsupported checksum algorithm 3786 [ 1494.644488] BTRFS error (device loop2): superblock checksum mismatch [ 1494.661507] BTRFS error (device loop2): open_ctree failed 03:39:52 executing program 6: r0 = socket$inet6(0xa, 0x1000000000002, 0x0) socket$key(0xf, 0x3, 0x2) ioctl(r0, 0x8912, &(0x7f0000000280)="025cc83d6d345f8f762070") r1 = socket$key(0xf, 0x3, 0x2) r2 = dup3(r1, r1, 0x80000) ioctl$KDSETLED(r2, 0x4b32, 0x5) sendmsg$key(r1, &(0x7f0000f56000)={0x0, 0x0, &(0x7f0000f36000)={&(0x7f0000333f88)=ANY=[@ANYBLOB="020200090c000000ffffffffffffffff02001300020000000000fcffffff0000030006000000000002004e20e0000001000000000000002402000100f8ffffff0000000200000000030005000000000002004e20e00000a0ea863accd2ce5ea2"], 0x60}, 0x1}, 0x0) perf_event_open(&(0x7f0000000180)={0x2, 0x70, 0x3e5}, 0x0, 0x0, 0xffffffffffffffff, 0x0) ioctl$KVM_CREATE_VM(0xffffffffffffffff, 0xae01, 0x0) pipe2$9p(&(0x7f0000000000)={0xffffffffffffffff, 0xffffffffffffffff}, 0x0) write$P9_RLERRORu(r4, &(0x7f0000000080)=ANY=[@ANYBLOB="1400000007ffff0700"], 0x9) mkdir(&(0x7f0000000440)='./file0\x00', 0x0) mount$9p_fd(0x0, &(0x7f00000005c0)='./file0\x00', &(0x7f0000000600)='9p\x00', 0x0, &(0x7f0000000640)={'trans=fd,', {'rfdno', 0x3d, r3}, 0x2c, {'wfdno', 0x3d, r4}, 0x2c, {[{@version_9p2000='version=9p2000', 0x2c}]}}) [ 1494.690494] BTRFS error (device loop2): unsupported checksum algorithm 3786 [ 1494.697670] BTRFS error (device loop2): superblock checksum mismatch [ 1494.733025] BTRFS error (device loop2): open_ctree failed [ 1494.734114] 9pnet: p9_errstr2errno: server reported unknown error  03:39:53 executing program 5: r0 = syz_open_dev$sndseq(&(0x7f0000dcc000)='/dev/snd/seq\x00', 0x0, 0x0) read(r0, &(0x7f0000000280)=""/28, 0x58) ioctl$SNDRV_SEQ_IOCTL_CREATE_PORT(r0, 0xc0a85320, &(0x7f0000418f50)={{0x80}, "0a4ceaa05d9a00000000000000039b3fd4cec307e8ef3d13eb790ec9c65abaf90d229db692542e5b78f8b29e0a27800f0000000000000009fb42f376589701a4", 0xa9824f69d1376637, 0x10800a}) ioctl$SNDRV_SEQ_IOCTL_REMOVE_EVENTS(r0, 0x4040534e, &(0x7f000019ffe9)={0xc1}) ioctl$SNDRV_SEQ_IOCTL_SET_PORT_INFO(r0, 0x40a85323, &(0x7f0000000080)={{0x80}, 'port1\x00'}) ioctl$SNDRV_SEQ_IOCTL_SUBSCRIBE_PORT(0xffffffffffffffff, 0x40505330, &(0x7f0000000140)) openat$sequencer2(0xffffffffffffff9c, &(0x7f0000000040)='/dev/sequencer2\x00', 0x0, 0x0) 03:39:53 executing program 4: r0 = socket$nl_xfrm(0x10, 0x3, 0x6) sendmsg$nl_xfrm(r0, &(0x7f0000000400)={&(0x7f0000000040)={0x10}, 0xc, &(0x7f00000001c0)={&(0x7f0000000080)=@updpolicy={0xb8, 0x14, 0x407, 0x0, 0x0, {{@in=@loopback=0x7f000001, @in6=@ipv4={[0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x9effffff], [0xff, 0xff], @dev={0xac, 0x14, 0x14}}, 0x0, 0x0, 0x0, 0x0, 0x2}}}, 0xb8}, 0x1}, 0x0) 03:39:53 executing program 0: perf_event_open(&(0x7f0000000180)={0x2, 0x70, 0x3e5}, 0x0, 0x0, 0xffffffffffffffff, 0x0) r0 = socket$inet_udp(0x2, 0x2, 0x0) r1 = openat$sequencer(0xffffffffffffff9c, &(0x7f0000000040)='/dev/sequencer\x00', 0x101000, 0x0) ioctl$SNDRV_TIMER_IOCTL_INFO(r1, 0x80e85411, &(0x7f00000000c0)=""/179) sendto$inet(r0, &(0x7f0000000000), 0x0, 0x400c000, &(0x7f000083b000)={0x2, 0x4e20}, 0x10) r2 = syz_open_procfs(0x0, &(0x7f0000000080)='net/udp\x00') sendfile(r0, r2, &(0x7f0000000000), 0xff) mq_timedreceive(r1, &(0x7f0000000200)=""/125, 0x7d, 0x7, 0x0) 03:39:53 executing program 2: r0 = socket$inet6(0xa, 0x1000000000002, 0x0) ioctl(r0, 0x8912, &(0x7f0000000280)="025cc83d6d345f8f762070") syz_mount_image$btrfs(&(0x7f0000000080)='btrfs\x00', &(0x7f0000000100)='./file0\x00', 0x0, 0x1, &(0x7f0000000200)=[{&(0x7f0000000500)="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", 0x116, 0x10000}], 0x0, &(0x7f0000000240)) 03:39:53 executing program 7: sendmsg$IPVS_CMD_FLUSH(0xffffffffffffffff, &(0x7f0000000340)={&(0x7f0000000100)={0x10}, 0xc, &(0x7f00000002c0)={&(0x7f00000001c0)=ANY=[@ANYBLOB='P\x00\x00\x00', @ANYBLOB="00000000000000000000110000002800030014000200697064647030000000000000000000000800040000000000080001000000000014000100080009000000000008005f50e2470000"], 0x2}, 0x1}, 0x0) r0 = socket$nl_generic(0x10, 0x3, 0x10) sendmsg$nl_generic(r0, &(0x7f00003cefe4)={&(0x7f0000000300)={0x10, 0x36200}, 0xc, &(0x7f0000007ff0)={&(0x7f0000000180)={0xffce, 0x2e, 0x6fd, 0x0, 0x0, {0x2004}, [@nested={0xc, 0x0, [@typed={0x62, 0x9, @ipv4}]}]}, 0xffce}, 0x1, 0x0, 0x0, 0x74000000}, 0x0) 03:39:53 executing program 1: r0 = socket$inet6(0xa, 0x1000000000002, 0x0) ioctl(r0, 0x8912, &(0x7f0000000280)="025cc83d6d345f8f762070") syz_mount_image$btrfs(&(0x7f0000000080)='btrfs\x00', &(0x7f0000000100)='./file0\x00', 0x0, 0x1, &(0x7f0000000200)=[{&(0x7f0000000500)="8da4363a00000000000000080000004d01000000000000000000000000000000ecf6f2a2299748aeb81e1b00920efd9a000001000000000001000000000000005f42485266535f4dd2f873574f257e0a01e2a6a02f5e071383fa5a669a53f2fe9eb4eb7918628af41b", 0x69, 0x10000}], 0x0, &(0x7f0000000240)) 03:39:53 executing program 6: perf_event_open(&(0x7f0000000180)={0x2, 0x70, 0x3e5}, 0x0, 0x0, 0xffffffffffffffff, 0x0) ioctl$KVM_CREATE_VM(0xffffffffffffffff, 0xae01, 0x0) pipe2$9p(&(0x7f0000000000)={0xffffffffffffffff, 0xffffffffffffffff}, 0x0) write$P9_RLERRORu(r1, &(0x7f0000000080)=ANY=[@ANYBLOB="1400000007ffff0700"], 0x9) link(&(0x7f0000000040)='./file0\x00', &(0x7f0000000140)='./file0\x00') mkdir(&(0x7f0000000440)='./file0\x00', 0x0) mount$9p_fd(0x0, &(0x7f00000005c0)='./file0\x00', &(0x7f0000000600)='9p\x00', 0x0, &(0x7f0000000640)={'trans=fd,', {'rfdno', 0x3d, r0}, 0x2c, {'wfdno', 0x3d, r1}, 0x2c, {[{@version_9p2000='version=9p2000', 0x2c}]}}) 03:39:53 executing program 3: r0 = socket$inet(0x2, 0x4000000000000001, 0x0) setsockopt$inet_tcp_TCP_CONGESTION(r0, 0x6, 0xd, &(0x7f0000000140)='nv\x00', 0x3) sendto$inet(r0, &(0x7f0000a88f88), 0xfffffffffffffe6e, 0x20000000, &(0x7f0000e68000)={0x2, 0x0, @local={0xac, 0x14, 0x14, 0xaa}, [0x0, 0x0, 0x700000000000000]}, 0x10) shutdown(r0, 0x0) [ 1495.453974] 9pnet: p9_errstr2errno: server reported unknown error  [ 1495.473816] BTRFS error (device loop2): unsupported checksum algorithm 3786 [ 1495.481009] BTRFS error (device loop2): superblock checksum mismatch [ 1495.497334] 9pnet: p9_errstr2errno: server reported unknown error  03:39:53 executing program 0: r0 = fcntl$dupfd(0xffffffffffffffff, 0x406, 0xffffffffffffff9c) setsockopt$inet6_MCAST_LEAVE_GROUP(r0, 0x29, 0x2d, &(0x7f00000000c0)={0x6e56, {{0xa, 0x4e21, 0x6, @dev={0xfe, 0x80, [], 0x20}, 0x7fff}}}, 0x88) perf_event_open(&(0x7f0000000180)={0x2, 0x70, 0x3e5}, 0x0, 0x0, 0xffffffffffffffff, 0x0) r1 = socket$inet_udp(0x2, 0x2, 0x0) sendto$inet(r1, &(0x7f0000000000), 0x0, 0x400c000, &(0x7f000083b000)={0x2, 0x4e20}, 0x10) r2 = syz_open_procfs(0x0, &(0x7f0000000080)='net/udp\x00') sendfile(r1, r2, &(0x7f0000000000), 0xff) 03:39:53 executing program 4: r0 = socket$nl_xfrm(0x10, 0x3, 0x6) sendmsg$nl_xfrm(r0, &(0x7f0000000400)={&(0x7f0000000040)={0x10}, 0xc, &(0x7f00000001c0)={&(0x7f0000000080)=@updpolicy={0xb8, 0x14, 0x407, 0x0, 0x0, {{@in=@loopback=0x7f000001, @in6=@ipv4={[0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xf0], [0xff, 0xff], @dev={0xac, 0x14, 0x14}}, 0x0, 0x0, 0x0, 0x0, 0x2}}}, 0xb8}, 0x1}, 0x0) 03:39:53 executing program 7: sendmsg$IPVS_CMD_FLUSH(0xffffffffffffffff, &(0x7f0000000340)={&(0x7f0000000100)={0x10}, 0xc, &(0x7f00000002c0)={&(0x7f00000001c0)=ANY=[@ANYBLOB='P\x00\x00\x00', @ANYBLOB="00000000000000000000110000002800030014000200697064647030000000000000000000000800040000000000080001000000000014000100080009000000000008005f50e2470000"], 0x2}, 0x1}, 0x0) r0 = socket$nl_generic(0x10, 0x3, 0x10) sendmsg$nl_generic(r0, &(0x7f00003cefe4)={&(0x7f0000000300)={0x10, 0x36200}, 0xc, &(0x7f0000007ff0)={&(0x7f0000000180)={0xffce, 0x2e, 0x6fd, 0x0, 0x0, {0x2004}, [@nested={0xc, 0x0, [@typed={0x62, 0x9, @ipv4}]}]}, 0xffce}, 0x1, 0x0, 0x0, 0x9effffff}, 0x0) 03:39:53 executing program 2: r0 = socket$inet6(0xa, 0x1000000000002, 0x0) ioctl(r0, 0x8912, &(0x7f0000000280)="025cc83d6d345f8f762070") syz_mount_image$btrfs(&(0x7f0000000080)='btrfs\x00', &(0x7f0000000100)='./file0\x00', 0x0, 0x1, &(0x7f0000000200)=[{&(0x7f0000000500)="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", 0x116, 0x10000}], 0x0, &(0x7f0000000240)) 03:39:53 executing program 6: perf_event_open(&(0x7f0000000180)={0x2, 0x70, 0x3e5}, 0x0, 0x0, 0xffffffffffffffff, 0x0) ioctl$KVM_CREATE_VM(0xffffffffffffffff, 0xae01, 0x0) pipe2$9p(&(0x7f0000000000)={0xffffffffffffffff, 0xffffffffffffffff}, 0x0) write$P9_RLERRORu(r1, &(0x7f0000000080)=ANY=[@ANYBLOB="1400000007ffff0700"], 0x9) mkdir(&(0x7f0000000440)='./file0\x00', 0xffffffffffffffff) mount$9p_fd(0x0, &(0x7f00000005c0)='./file0\x00', &(0x7f0000000600)='9p\x00', 0x0, &(0x7f0000000640)={'trans=fd,', {'rfdno', 0x3d, r0}, 0x2c, {'wfdno', 0x3d, r1}, 0x2c, {[{@version_9p2000='version=9p2000', 0x2c}]}}) [ 1495.507651] BTRFS error (device loop2): open_ctree failed [ 1495.521555] BTRFS error (device loop2): unsupported checksum algorithm 3786 [ 1495.528731] BTRFS error (device loop2): superblock checksum mismatch 03:39:53 executing program 7: sendmsg$IPVS_CMD_FLUSH(0xffffffffffffffff, &(0x7f0000000340)={&(0x7f0000000100)={0x10}, 0xc, &(0x7f00000002c0)={&(0x7f00000001c0)=ANY=[@ANYBLOB='P\x00\x00\x00', @ANYBLOB="00000000000000000000110000002800030014000200697064647030000000000000000000000800040000000000080001000000000014000100080009000000000008005f50e2470000"], 0x2}, 0x1}, 0x0) r0 = socket$nl_generic(0x10, 0x3, 0x10) sendmsg$nl_generic(r0, &(0x7f00003cefe4)={&(0x7f0000000300)={0x10, 0x36200}, 0xc, &(0x7f0000007ff0)={&(0x7f0000000180)={0xffce, 0x2e, 0x6fd, 0x0, 0x0, {0x2004}, [@nested={0xc, 0x0, [@typed={0x62, 0x9, @ipv4}]}]}, 0xffce}, 0x1, 0x0, 0x0, 0x2000000}, 0x0) [ 1495.569910] BTRFS error (device loop2): open_ctree failed [ 1495.597353] print_req_error: I/O error, dev loop1, sector 128 [ 1495.606105] 9pnet: p9_errstr2errno: server reported unknown error  03:39:53 executing program 4: r0 = socket$nl_xfrm(0x10, 0x3, 0x6) sendmsg$nl_xfrm(r0, &(0x7f0000000400)={&(0x7f0000000040)={0x10}, 0xc, &(0x7f00000001c0)={&(0x7f0000000080)=@updpolicy={0xb8, 0x14, 0x407, 0x0, 0x0, {{@in=@loopback=0x7f000001, @in6=@ipv4={[0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x2337], [0xff, 0xff], @dev={0xac, 0x14, 0x14}}, 0x0, 0x0, 0x0, 0x0, 0x2}}}, 0xb8}, 0x1}, 0x0) 03:39:53 executing program 0: r0 = perf_event_open(&(0x7f0000000180)={0x2, 0x70, 0x3e5}, 0x0, 0x0, 0xffffffffffffffff, 0x0) r1 = fcntl$dupfd(r0, 0x406, r0) ioctl$KDGKBTYPE(r1, 0x4b33, &(0x7f00000000c0)) r2 = socket$inet_udp(0x2, 0x2, 0x0) sendto$inet(r2, &(0x7f0000000000), 0x0, 0x400c000, &(0x7f000083b000)={0x2, 0x4e20}, 0x10) r3 = syz_open_procfs(0x0, &(0x7f0000000080)='net/udp\x00') sendfile(r2, r3, &(0x7f0000000000)=0x3c, 0xff) ioctl$sock_inet6_tcp_SIOCINQ(r3, 0x541b, &(0x7f0000000040)) [ 1495.615576] BTRFS error (device loop2): unsupported checksum algorithm 3786 [ 1495.622785] BTRFS error (device loop2): superblock checksum mismatch [ 1495.631599] 9pnet: p9_errstr2errno: server reported unknown error  [ 1495.650358] BTRFS error (device loop2): open_ctree failed [ 1495.664497] BTRFS error (device loop2): unsupported checksum algorithm 3786 [ 1495.671686] BTRFS error (device loop2): superblock checksum mismatch [ 1495.705550] BTRFS error (device loop2): open_ctree failed 03:39:54 executing program 5: r0 = syz_open_dev$sndseq(&(0x7f0000dcc000)='/dev/snd/seq\x00', 0x0, 0x0) read(r0, &(0x7f0000000280)=""/28, 0x58) ioctl$SNDRV_SEQ_IOCTL_CREATE_PORT(r0, 0xc0a85320, &(0x7f0000418f50)={{0x80}, "0a4ceaa05d9a00000000000000039b3fd4cec307e8ef3d13eb790ec9c65abaf90d229db692542e5b78f8b29e0a27800f0000000000000009fb42f376589701a4", 0xa9824f69d1376637, 0x10800a}) ioctl$SNDRV_SEQ_IOCTL_REMOVE_EVENTS(r0, 0x4040534e, &(0x7f000019ffe9)={0xc1}) ioctl$SNDRV_SEQ_IOCTL_SET_PORT_INFO(r0, 0x40a85323, &(0x7f0000000080)={{0x80}, 'port1\x00'}) ioctl$SNDRV_SEQ_IOCTL_SUBSCRIBE_PORT(0xffffffffffffffff, 0x40505330, &(0x7f0000000140)) openat$sequencer2(0xffffffffffffff9c, &(0x7f0000000040)='/dev/sequencer2\x00', 0x0, 0x0) 03:39:54 executing program 6: r0 = perf_event_open(&(0x7f0000000180)={0x2, 0x70, 0x3e5, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x8000000000000, 0x0, 0x80000001, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x3}, 0x0, 0x0, 0xffffffffffffffff, 0x0) r1 = syz_open_dev$usbmon(&(0x7f0000000140)='/dev/usbmon#\x00', 0x6, 0x0) ioctl$TIOCGPGRP(r1, 0x540f, &(0x7f0000000340)=0x0) r3 = syz_open_procfs(r2, &(0x7f0000000380)='coredump_filter\x00') fcntl$dupfd(r0, 0x0, r0) getsockname$llc(r3, &(0x7f00000003c0)={0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @remote}, &(0x7f0000000400)=0x10) syz_open_procfs(0x0, &(0x7f0000000240)='net/ipx\x00') openat$dsp(0xffffffffffffff9c, &(0x7f0000000280)='/dev/dsp\x00', 0x600100, 0x0) syz_open_dev$usbmon(&(0x7f00000002c0)='/dev/usbmon#\x00', 0x7, 0x40000) r4 = openat$vga_arbiter(0xffffffffffffff9c, &(0x7f0000000300)='/dev/vga_arbiter\x00', 0x90300, 0x0) ioctl$KVM_CREATE_VM(r4, 0xae01, 0x0) pipe2$9p(&(0x7f0000000040)={0xffffffffffffffff, 0xffffffffffffffff}, 0x0) socketpair(0x1f, 0x3, 0x10401, &(0x7f0000000200)={0xffffffffffffffff, 0xffffffffffffffff}) write$P9_RLERRORu(r6, &(0x7f0000000080)=ANY=[@ANYBLOB="1400000007ffff0700"], 0x9) socket$inet_sctp(0x2, 0x0, 0x84) fchmod(r7, 0xe8) mkdir(&(0x7f0000000440)='./file0\x00', 0x0) mount$9p_fd(0x0, &(0x7f00000005c0)='./file0\x00', &(0x7f0000000600)='9p\x00', 0x0, &(0x7f00000000c0)={'trans=fd,', {'rfdno', 0x3d, r5}, 0x2c, {'wfdno', 0x3d, r6}, 0x2c, {[{@version_9p2000='version=9p2000', 0x2c}]}}) 03:39:54 executing program 4: r0 = socket$nl_xfrm(0x10, 0x3, 0x6) sendmsg$nl_xfrm(r0, &(0x7f0000000400)={&(0x7f0000000040)={0x10}, 0xc, &(0x7f00000001c0)={&(0x7f0000000080)=@updpolicy={0xb8, 0x14, 0x407, 0x0, 0x0, {{@in=@loopback=0x7f000001, @in6=@ipv4={[0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xf], [0xff, 0xff], @dev={0xac, 0x14, 0x14}}, 0x0, 0x0, 0x0, 0x0, 0x2}}}, 0xb8}, 0x1}, 0x0) 03:39:54 executing program 7: sendmsg$IPVS_CMD_FLUSH(0xffffffffffffffff, &(0x7f0000000340)={&(0x7f0000000100)={0x10}, 0xc, &(0x7f00000002c0)={&(0x7f00000001c0)=ANY=[@ANYBLOB='P\x00\x00\x00', @ANYBLOB="00000000000000000000110000002800030014000200697064647030000000000000000000000800040000000000080001000000000014000100080009000000000008005f50e2470000"], 0x2}, 0x1}, 0x0) r0 = socket$nl_generic(0x10, 0x3, 0x10) sendmsg$nl_generic(r0, &(0x7f00003cefe4)={&(0x7f0000000300)={0x10, 0x36200}, 0xc, &(0x7f0000007ff0)={&(0x7f0000000180)={0xffce, 0x2e, 0x6fd, 0x0, 0x0, {0x2004}, [@nested={0xc, 0x0, [@typed={0x62, 0x9, @ipv4}]}]}, 0xffce}, 0x1, 0x0, 0x0, 0x7a}, 0x0) 03:39:54 executing program 2: r0 = socket$inet6(0xa, 0x1000000000002, 0x0) ioctl(r0, 0x8912, &(0x7f0000000280)="025cc83d6d345f8f762070") syz_mount_image$btrfs(&(0x7f0000000080)='btrfs\x00', &(0x7f0000000100)='./file0\x00', 0x0, 0x1, &(0x7f0000000200)=[{&(0x7f0000000500)="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", 0x116, 0x10000}], 0x0, &(0x7f0000000240)) 03:39:54 executing program 1: r0 = socket$inet6(0xa, 0x1000000000002, 0x0) ioctl(r0, 0x8912, &(0x7f0000000280)="025cc83d6d345f8f762070") syz_mount_image$btrfs(&(0x7f0000000080)='btrfs\x00', &(0x7f0000000100)='./file0\x00', 0x0, 0x1, &(0x7f0000000200)=[{&(0x7f0000000500)="8da4363a00000000a00080000000004d01000000000000000000000000000000ecf6f2a2299748aeb81e1b00920efd9a000001000000000001000000000000005f42485266535f4dd2f873574f257e0a01e2a6a02f5e071383fa5a669a53f2fe9eb4eb7918628af41b", 0x69, 0x10000}], 0x0, &(0x7f0000000240)) 03:39:54 executing program 0: perf_event_open(&(0x7f0000000180)={0x2, 0x70, 0x3e5}, 0x0, 0x0, 0xffffffffffffffff, 0x0) r0 = openat$dsp(0xffffffffffffff9c, &(0x7f0000000040)='/dev/dsp\x00', 0xa00, 0x0) ioctl$EVIOCGMTSLOTS(r0, 0x8040450a, &(0x7f0000000200)=""/4096) r1 = socket$inet_udp(0x2, 0x2, 0x0) ioctl$SG_GET_LOW_DMA(r0, 0x227a, &(0x7f00000000c0)) ioctl$SG_GET_TIMEOUT(r0, 0x2202, 0x0) sendto$inet(r1, &(0x7f0000000000), 0x0, 0x400c000, &(0x7f000083b000)={0x2, 0x4e20}, 0x10) syz_init_net_socket$llc(0x1a, 0x2, 0x0) r2 = syz_open_procfs(0x0, &(0x7f0000000080)='net/udp\x00') sendfile(r1, r2, &(0x7f0000000000), 0xff) 03:39:54 executing program 3: r0 = socket$inet(0x2, 0x4000000000000001, 0x0) setsockopt$inet_tcp_TCP_CONGESTION(r0, 0x6, 0xd, &(0x7f0000000140)='nv\x00', 0x3) sendto$inet(r0, &(0x7f0000a88f88), 0xfffffffffffffe6e, 0x20000000, &(0x7f0000e68000)={0x2, 0x0, @local={0xac, 0x14, 0x14, 0xaa}, [0x0, 0x0, 0x300000000000000]}, 0x10) shutdown(r0, 0x0) [ 1496.424776] nla_parse: 41 callbacks suppressed [ 1496.424786] netlink: 104 bytes leftover after parsing attributes in process `syz-executor4'. [ 1496.438337] netlink: 65362 bytes leftover after parsing attributes in process `syz-executor7'. [ 1496.447157] net_ratelimit: 50 callbacks suppressed [ 1496.447165] openvswitch: netlink: ufid size 94 bytes exceeds the range (1, 16) [ 1496.459483] openvswitch: netlink: Flow set message rejected, Key attribute missing. 03:39:54 executing program 4: r0 = socket$nl_xfrm(0x10, 0x3, 0x6) sendmsg$nl_xfrm(r0, &(0x7f0000000400)={&(0x7f0000000040)={0x10}, 0xc, &(0x7f00000001c0)={&(0x7f0000000080)=@updpolicy={0xb8, 0x14, 0x407, 0x0, 0x0, {{@in=@loopback=0x7f000001, @in6=@ipv4={[0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x3723000000000000], [0xff, 0xff], @dev={0xac, 0x14, 0x14}}, 0x0, 0x0, 0x0, 0x0, 0x2}}}, 0xb8}, 0x1}, 0x0) 03:39:54 executing program 0: perf_event_open(&(0x7f0000000180)={0x2, 0x70, 0x3e5}, 0x0, 0x0, 0xffffffffffffffff, 0x0) r0 = socket$inet_udp(0x2, 0x2, 0x0) sendto$inet(r0, &(0x7f0000000000), 0x0, 0x400c000, &(0x7f000083b000)={0x2, 0x4e20}, 0x10) r1 = syz_open_procfs(0x0, &(0x7f0000000080)='net/udp\x00') ioctl$PPPIOCGL2TPSTATS(r1, 0x80487436, &(0x7f00000000c0)="35509d4b72fea8dd0a0040fb6df8d47c71776ad570a090d94548d39c5699ba123d4b32e594c6c09781fa113a2392d13939202aef1b39b3262a128cfb633eec15a44afddcd25a273732e596c36b66cc5a267903a0590ba6e4c9fbc835591c49e54a7e622beec9faa50736113fce0fd849bb28d80519c2ff") sendfile(r0, r1, &(0x7f0000000000), 0xff) [ 1496.475266] BTRFS error (device loop2): unsupported checksum algorithm 3786 [ 1496.482498] BTRFS error (device loop2): superblock checksum mismatch [ 1496.506447] BTRFS error (device loop2): open_ctree failed [ 1496.516088] 9pnet: p9_errstr2errno: server reported unknown error  [ 1496.530213] BTRFS error (device loop2): unsupported checksum algorithm 3786 [ 1496.537485] BTRFS error (device loop2): superblock checksum mismatch [ 1496.547102] netlink: 65362 bytes leftover after parsing attributes in process `syz-executor7'. [ 1496.555908] openvswitch: netlink: ufid size 94 bytes exceeds the range (1, 16) [ 1496.563284] openvswitch: netlink: Flow set message rejected, Key attribute missing. 03:39:54 executing program 2: r0 = socket$inet6(0xa, 0x1000000000002, 0x0) ioctl(r0, 0x8912, &(0x7f0000000280)="025cc83d6d345f8f762070") syz_mount_image$btrfs(&(0x7f0000000080)='btrfs\x00', &(0x7f0000000100)='./file0\x00', 0x0, 0x1, &(0x7f0000000200)=[{&(0x7f0000000500)="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", 0x116, 0x10000}], 0x0, &(0x7f0000000240)) 03:39:54 executing program 4: r0 = socket$nl_xfrm(0x10, 0x3, 0x6) sendmsg$nl_xfrm(r0, &(0x7f0000000400)={&(0x7f0000000040)={0x10}, 0xc, &(0x7f00000001c0)={&(0x7f0000000080)=@updpolicy={0xb8, 0x14, 0x407, 0x0, 0x0, {{@in=@loopback=0x7f000001, @in6=@ipv4={[0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xf0ffff], [0xff, 0xff], @dev={0xac, 0x14, 0x14}}, 0x0, 0x0, 0x0, 0x0, 0x2}}}, 0xb8}, 0x1}, 0x0) 03:39:54 executing program 6: perf_event_open(&(0x7f0000000180)={0x2, 0x70, 0x3e5}, 0x0, 0x0, 0xffffffffffffffff, 0x0) mprotect(&(0x7f0000fff000/0x1000)=nil, 0x1000, 0xffffff) r0 = openat$zero(0xffffffffffffff9c, &(0x7f0000000040)='/dev/zero\x00', 0x0, 0x0) ioctl$KVM_CREATE_VM(r0, 0xae01, 0x0) pipe2$9p(&(0x7f0000000000)={0xffffffffffffffff, 0xffffffffffffffff}, 0x0) write$P9_RLERRORu(r2, &(0x7f0000000080)=ANY=[@ANYBLOB="1400000007ffff0700"], 0x9) mkdir(&(0x7f0000000440)='./file0\x00', 0x0) write$binfmt_elf64(r1, &(0x7f0000000640)={{0x7f, 0x45, 0x4c, 0x46, 0x4, 0x3, 0x34f, 0x0, 0x9, 0x3, 0x3, 0x6de7, 0x108, 0x40, 0x58, 0x6, 0x40, 0x38, 0x2, 0xd9, 0x6, 0x4}, [{0x70000000, 0x80000001, 0x100000000, 0x5, 0x0, 0xa14, 0x23, 0x9}], "c2cce747808fbd2da0d38bd39db6e762c9940f76aa80295a16f6ab77179b5aadc1d771acc55a7137572ba8276ac0a95c0c2f4de0274bda8ee4e25976cd9673c600f64f4ef6a4f47d83c2a430f9dbc73f66359b178159b7b42de288d67583c75a2f1d7e643f68470b39d5a90ea2ee220931d721353ac98b8f74396d", [[], [], [], [], []]}, 0x5f3) mount$9p_fd(0x0, &(0x7f00000005c0)='./file0\x00', &(0x7f0000000600)='9p\x00', 0x0, &(0x7f00000000c0)=ANY=[@ANYBLOB='trans=fd,rfdno=', @ANYRESHEX=r1, @ANYBLOB=',wfdno=', @ANYRESHEX=r2, @ANYBLOB="ec2c0000000000000500000000000000000000"]) 03:39:54 executing program 7: sendmsg$IPVS_CMD_FLUSH(0xffffffffffffffff, &(0x7f0000000340)={&(0x7f0000000100)={0x10}, 0xc, &(0x7f00000002c0)={&(0x7f00000001c0)=ANY=[@ANYBLOB='P\x00\x00\x00', @ANYBLOB="00000000000000000000110000002800030014000200697064647030000000000000000000000800040000000000080001000000000014000100080009000000000008005f50e2470000"], 0x2}, 0x1}, 0x0) r0 = socket$nl_generic(0x10, 0x3, 0x10) sendmsg$nl_generic(r0, &(0x7f00003cefe4)={&(0x7f0000000300)={0x10, 0x36200}, 0xc, &(0x7f0000007ff0)={&(0x7f0000000180)={0xffce, 0x2e, 0x6fd, 0x0, 0x0, {0x2004}, [@nested={0xc, 0x0, [@typed={0x62, 0x9, @ipv4}]}]}, 0xffce}, 0x1, 0x0, 0x0, 0xfffffff0}, 0x0) [ 1496.576461] 9pnet: p9_errstr2errno: server reported unknown error  [ 1496.585398] netlink: 104 bytes leftover after parsing attributes in process `syz-executor4'. [ 1496.599482] BTRFS error (device loop2): open_ctree failed 03:39:54 executing program 1: r0 = socket$inet6(0xa, 0x1000000000002, 0x0) ioctl(r0, 0x8912, &(0x7f0000000280)="025cc83d6d345f8f762070") syz_mount_image$btrfs(&(0x7f0000000080)='btrfs\x00', &(0x7f0000000100)='./file0\x00', 0x0, 0x1, &(0x7f0000000200)=[{&(0x7f0000000500)="8da4363a00000000027800000000004d01000000000000000000000000000000ecf6f2a2299748aeb81e1b00920efd9a000001000000000001000000000000005f42485266535f4dd2f873574f257e0a01e2a6a02f5e071383fa5a669a53f2fe9eb4eb7918628af41b", 0x69, 0x10000}], 0x0, &(0x7f0000000240)) [ 1496.665011] netlink: 104 bytes leftover after parsing attributes in process `syz-executor4'. [ 1496.677838] 9pnet: Insufficient options for proto=fd [ 1496.680524] netlink: 65362 bytes leftover after parsing attributes in process `syz-executor7'. [ 1496.691785] openvswitch: netlink: ufid size 94 bytes exceeds the range (1, 16) [ 1496.695439] 9pnet: Insufficient options for proto=fd [ 1496.699182] openvswitch: netlink: Flow set message rejected, Key attribute missing. 03:39:54 executing program 0: perf_event_open(&(0x7f0000000180)={0x2, 0x70, 0x3e5}, 0x0, 0x0, 0xffffffffffffffff, 0x0) r0 = socket$inet_udp(0x2, 0x2, 0x0) r1 = shmget$private(0x0, 0x3000, 0x22, &(0x7f0000ffa000/0x3000)=nil) shmctl$SHM_UNLOCK(r1, 0xc) r2 = gettid() perf_event_open(&(0x7f00000000c0)={0x1, 0x70, 0x3f, 0xde, 0x40, 0x6, 0x0, 0x191e41a9, 0x0, 0xb, 0x6, 0x8, 0x7, 0x251, 0x6, 0x8001, 0x0, 0x9, 0x4, 0x100000000, 0x1ff, 0x1, 0xfff, 0x200, 0x7, 0x4, 0x9, 0x5e1b, 0x4, 0x10000, 0x4, 0x9, 0x3ff, 0x7405, 0x7, 0x7f, 0x4, 0x5, 0x0, 0xad2, 0x4, @perf_bp={&(0x7f0000000040), 0xf}, 0x8000, 0x1, 0x20, 0x6, 0x5, 0x8, 0x4}, r2, 0xb, 0xffffffffffffff9c, 0x0) r3 = openat$snapshot(0xffffffffffffff9c, &(0x7f00000002c0)='/dev/snapshot\x00', 0x80000, 0x0) ioctl$KVM_S390_INTERRUPT_CPU(r3, 0x4010ae94, &(0x7f0000000300)={0x1f, 0x7fff, 0x101}) sendto$inet(r0, &(0x7f0000000000), 0x0, 0x400c000, &(0x7f000083b000)={0x2, 0x4e20}, 0x10) r4 = syz_open_procfs(0x0, &(0x7f0000000080)='net/udp\x00') sendfile(r0, r4, &(0x7f0000000000), 0xff) setsockopt$IP_VS_SO_SET_ADDDEST(r0, 0x0, 0x487, &(0x7f0000000340)={{0x2f, @rand_addr=0x7fff, 0x4e21, 0x0, 'lblcr\x00', 0x2, 0x4, 0x6f}, {@dev={0xac, 0x14, 0x14, 0x16}, 0x4e23, 0x458b74a4c4c72e01, 0xa2, 0x2, 0x8}}, 0x44) getsockopt$inet_sctp6_SCTP_PR_ASSOC_STATUS(r4, 0x84, 0x73, &(0x7f00000003c0)={0x0, 0x80, 0x30, 0x200, 0x4599}, &(0x7f0000000400)=0x18) getsockopt$inet_sctp6_SCTP_GET_PEER_ADDRS(r4, 0x84, 0x6c, &(0x7f0000000440)={r5, 0xd3, "cecb65e8def4475916c882ec75f3e3154980aaeb8f4dc27dc29416edfde450dade2ac4d380278b454d62a8addc90068e0e69bb89327a897b8a46164eb06e4a9fb46c3f0a41d2a8d4a338e2a185fc8af28dd2dd239248bedabf73d8f3fa9e08c786566ff2755205592cbbfb996ac966d6ba3385bf2648b96ee1373d40dd1bc50a86d63aa83c627e19513b2e099a0ad8d78cdd9db1628f3d844ca13466fa98207820e5c5ea73084ea1be0f1d8008c69f9c4ca0bcb30c6bb4a6741bca6bd781973c92a8bfaab80b4b64f4c33b150fb3e06ef290e0"}, &(0x7f0000000540)=0xdb) getsockopt$inet_sctp6_SCTP_ASSOCINFO(r4, 0x84, 0x1, &(0x7f0000000200)={0x0, 0x4, 0x3ff, 0x3, 0x20, 0x9}, &(0x7f0000000240)=0x14) getsockopt$inet_sctp6_SCTP_GET_LOCAL_ADDRS(r4, 0x84, 0x6d, &(0x7f0000000500)=ANY=[], &(0x7f0000000280)) ioctl$ASHMEM_SET_NAME(r0, 0x41007701, &(0x7f0000000140)='net/udp\x00') [ 1496.712231] BTRFS error (device loop1): superblock checksum mismatch [ 1496.712577] netlink: 65362 bytes leftover after parsing attributes in process `syz-executor7'. [ 1496.727537] openvswitch: netlink: ufid size 94 bytes exceeds the range (1, 16) [ 1496.734906] openvswitch: netlink: Flow set message rejected, Key attribute missing. [ 1496.748948] BTRFS error (device loop1): open_ctree failed [ 1496.763204] IPVS: set_ctl: invalid protocol: 47 0.0.127.255:20001 [ 1496.774702] BTRFS error (device loop1): superblock checksum mismatch [ 1496.792490] IPVS: set_ctl: invalid protocol: 47 0.0.127.255:20001 [ 1496.811065] BTRFS error (device loop1): open_ctree failed 03:39:55 executing program 3: r0 = socket$inet(0x2, 0x4000000000000001, 0x0) setsockopt$inet_tcp_TCP_CONGESTION(r0, 0x6, 0xd, &(0x7f0000000140)='nv\x00', 0x3) sendto$inet(r0, &(0x7f0000a88f88), 0xfffffffffffffe6e, 0x20000000, &(0x7f0000e68000)={0x2, 0x0, @local={0xac, 0x14, 0x14, 0xaa}, [0x0, 0x0, 0x200000000000000]}, 0x10) shutdown(r0, 0x0) 03:39:55 executing program 4: r0 = socket$nl_xfrm(0x10, 0x3, 0x6) sendmsg$nl_xfrm(r0, &(0x7f0000000400)={&(0x7f0000000040)={0x10}, 0xc, &(0x7f00000001c0)={&(0x7f0000000080)=@updpolicy={0xb8, 0x14, 0x407, 0x0, 0x0, {{@in=@loopback=0x7f000001, @in6=@ipv4={[0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xf0ffffff], [0xff, 0xff], @dev={0xac, 0x14, 0x14}}, 0x0, 0x0, 0x0, 0x0, 0x2}}}, 0xb8}, 0x1}, 0x0) 03:39:55 executing program 7: sendmsg$IPVS_CMD_FLUSH(0xffffffffffffffff, &(0x7f0000000340)={&(0x7f0000000100)={0x10}, 0xc, &(0x7f00000002c0)={&(0x7f00000001c0)=ANY=[@ANYBLOB='P\x00\x00\x00', @ANYBLOB="00000000000000000000110000002800030014000200697064647030000000000000000000000800040000000000080001000000000014000100080009000000000008005f50e2470000"], 0x2}, 0x1}, 0x0) r0 = socket$nl_generic(0x10, 0x3, 0x10) sendmsg$nl_generic(r0, &(0x7f00003cefe4)={&(0x7f0000000300)={0x10, 0x36200}, 0xc, &(0x7f0000007ff0)={&(0x7f0000000180)={0xffce, 0x2e, 0x6fd, 0x0, 0x0, {0x2004}, [@nested={0xc, 0x0, [@typed={0x62, 0x9, @ipv4}]}]}, 0xffce}, 0x1, 0x0, 0x0, 0x4c00000000000000}, 0x0) 03:39:55 executing program 5: r0 = socket$can_raw(0x1d, 0x3, 0x1) getsockopt$bt_hci(r0, 0x65, 0x0, &(0x7f0000000280)=""/244, &(0x7f0000000140)=0xffffffffffffff1f) 03:39:55 executing program 2: r0 = socket$inet6(0xa, 0x1000000000002, 0x0) ioctl(r0, 0x8912, &(0x7f0000000280)="025cc83d6d345f8f762070") syz_mount_image$btrfs(&(0x7f0000000080)='btrfs\x00', &(0x7f0000000100)='./file0\x00', 0x0, 0x1, &(0x7f0000000200)=[{&(0x7f0000000500)="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", 0x116, 0x10000}], 0x0, &(0x7f0000000240)) 03:39:55 executing program 6: perf_event_open(&(0x7f0000000180)={0x2, 0x70, 0x3e5}, 0x0, 0x0, 0xffffffffffffffff, 0x0) ioctl$KVM_CREATE_VM(0xffffffffffffffff, 0xae01, 0x0) pipe2$9p(&(0x7f0000000000)={0xffffffffffffffff, 0xffffffffffffffff}, 0x47fd) getsockopt$inet6_IPV6_IPSEC_POLICY(0xffffffffffffff9c, 0x29, 0x22, &(0x7f0000000200)={{{@in=@multicast1, @in=@multicast1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0}}, {{@in=@remote}, 0x0, @in=@multicast2}}, &(0x7f0000000040)=0xe8) getgroups(0x5, &(0x7f0000000100)=[0xee00, 0xee00, 0x0, 0xffffffffffffffff, 0x0]) getgroups(0x2, &(0x7f00000000c0)=[0xee01, r3]) write$P9_RGETATTR(r1, &(0x7f0000000300)={0xa0, 0x19, 0x1, {0x92, {0x80, 0x0, 0x3}, 0x4, r2, r4, 0x0, 0x3, 0x45c, 0x101, 0x7, 0x7, 0xfff, 0x7, 0x7ff, 0x9, 0x1, 0x1, 0xff, 0x7ff, 0x2}}, 0xa0) write$P9_RLERRORu(r1, &(0x7f0000000080)=ANY=[@ANYBLOB="1400000007ffff0700"], 0x9) mkdir(&(0x7f0000000440)='./file0\x00', 0x0) mount$9p_fd(0x0, &(0x7f00000005c0)='./file0\x00', &(0x7f0000000600)='9p\x00', 0x0, &(0x7f0000000640)={'trans=fd,', {'rfdno', 0x3d, r0}, 0x2c, {'wfdno', 0x3d, r1}, 0x2c, {[{@version_9p2000='version=9p2000', 0x2c}]}}) 03:39:55 executing program 0: perf_event_open(&(0x7f0000000180)={0x2, 0x70, 0x3e5}, 0x0, 0x0, 0xffffffffffffffff, 0x0) r0 = socket$inet_udp(0x2, 0x2, 0x0) r1 = syz_open_dev$mouse(&(0x7f0000000040)='/dev/input/mouse#\x00', 0x8, 0x90100) setsockopt$inet_sctp_SCTP_PARTIAL_DELIVERY_POINT(r1, 0x84, 0x13, &(0x7f00000000c0)=0xffff, 0x4) sendto$inet(r0, &(0x7f0000000000), 0x0, 0x400c000, &(0x7f000083b000)={0x2, 0x4e20}, 0x10) r2 = syz_open_procfs(0x0, &(0x7f0000000080)='net/udp\x00') sendfile(r0, r2, &(0x7f0000000000), 0xff) 03:39:55 executing program 1: r0 = socket$inet6(0xa, 0x1000000000002, 0x0) ioctl(r0, 0x8912, &(0x7f0000000280)="025cc83d6d345f8f762070") syz_mount_image$btrfs(&(0x7f0000000080)='btrfs\x00', &(0x7f0000000100)='./file0\x00', 0x0, 0x1, &(0x7f0000000200)=[{&(0x7f0000000500)="8da4363a00000000000500000000004d01000000000000000000000000000000ecf6f2a2299748aeb81e1b00920efd9a000001000000000001000000000000005f42485266535f4dd2f873574f257e0a01e2a6a02f5e071383fa5a669a53f2fe9eb4eb7918628af41b", 0x69, 0x10000}], 0x0, &(0x7f0000000240)) [ 1497.393012] netlink: 104 bytes leftover after parsing attributes in process `syz-executor4'. [ 1497.403206] netlink: 65362 bytes leftover after parsing attributes in process `syz-executor7'. [ 1497.403249] 9pnet: Insufficient options for proto=fd [ 1497.412013] openvswitch: netlink: ufid size 94 bytes exceeds the range (1, 16) [ 1497.412024] openvswitch: netlink: Flow set message rejected, Key attribute missing. 03:39:55 executing program 5: r0 = openat$kvm(0xffffffffffffff9c, &(0x7f0000000380)='/dev/kvm\x00', 0x0, 0x0) perf_event_open(&(0x7f0000000200)={0x2, 0x70, 0x3e6, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xffff7ffffffffffb, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext}, 0x0, 0x0, 0xffffffffffffffff, 0x0) getsockopt$inet_sctp_SCTP_PEER_AUTH_CHUNKS(0xffffffffffffff9c, 0x84, 0x1a, &(0x7f0000000200)=ANY=[@ANYBLOB="cd3bd575ab"], &(0x7f0000000340)=0x1) r1 = ioctl$KVM_CREATE_VM(r0, 0xae01, 0x0) r2 = ioctl$KVM_CREATE_VCPU(r1, 0xae41, 0x0) ioctl$KVM_REGISTER_COALESCED_MMIO(r1, 0x4010ae67, &(0x7f0000000000)={0x0, 0x107000}) syz_kvm_setup_cpu$x86(r1, 0xffffffffffffffff, &(0x7f0000000000/0x18000)=nil, &(0x7f0000000280)=[@text64={0x40, &(0x7f0000000500)="0f0866b8ed008ec066ba4000b000eed2a807000000410f01cab98e0b0000b862000000ba000000000f30b90b0800000f320fc72a8f2a60128f00000000003000000fc7aa00100000", 0x48}], 0x0, 0x0, &(0x7f0000000040), 0x0) ioctl$KVM_RUN(r2, 0xae80, 0x0) getsockopt$inet_IP_IPSEC_POLICY(0xffffffffffffffff, 0x0, 0x10, &(0x7f00000000c0)={{{@in6=@mcast2, @in6=@ipv4={[], [], @multicast2}}}, {{@in6=@dev}, 0x0, @in=@loopback}}, &(0x7f00000001c0)=0xe8) ioctl$KVM_RUN(r2, 0xae80, 0x0) 03:39:55 executing program 0: perf_event_open(&(0x7f0000000180)={0x2, 0x70, 0x3e5}, 0x0, 0x0, 0xffffffffffffffff, 0x0) r0 = socket$inet_udp(0x2, 0x2, 0x0) sendto$inet(r0, &(0x7f0000000000), 0x0, 0x400c000, &(0x7f000083b000)={0x2, 0x4e20}, 0x10) r1 = syz_open_procfs(0xffffffffffffffff, &(0x7f0000000040)='net/netlink\x00') setsockopt$RDS_GET_MR_FOR_DEST(r1, 0x114, 0x7, &(0x7f0000000300)={@in6={0xa, 0x4e24, 0x2, @remote={0xfe, 0x80, [], 0xbb}, 0x2}, {&(0x7f0000000200)=""/219, 0xdb}, &(0x7f00000000c0), 0x21}, 0xa0) r2 = syz_open_procfs(0x0, &(0x7f0000000080)='net/udp\x00') sendfile(r0, r2, &(0x7f0000000000), 0xff) r3 = getpid() getsockopt$inet_sctp_SCTP_PRIMARY_ADDR(r2, 0x84, 0x6, &(0x7f00000003c0)={0x0, @in={{0x2, 0x4e24, @rand_addr=0x5}}}, &(0x7f0000000100)=0x84) setsockopt$inet_sctp6_SCTP_MAXSEG(r1, 0x84, 0xd, &(0x7f0000000140)=@assoc_value={r4, 0x40}, 0x8) ptrace$cont(0x1f, r3, 0x9, 0x0) [ 1497.450775] BTRFS error (device loop2): unsupported checksum algorithm 3786 [ 1497.457986] BTRFS error (device loop2): superblock checksum mismatch [ 1497.465140] netlink: 104 bytes leftover after parsing attributes in process `syz-executor4'. 03:39:55 executing program 4: r0 = socket$nl_xfrm(0x10, 0x3, 0x6) sendmsg$nl_xfrm(r0, &(0x7f0000000400)={&(0x7f0000000040)={0x10}, 0xc, &(0x7f00000001c0)={&(0x7f0000000080)=@updpolicy={0xb8, 0x14, 0x407, 0x0, 0x0, {{@in=@loopback=0x7f000001, @in6=@ipv4={[0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xfffffffffffff000], [0xff, 0xff], @dev={0xac, 0x14, 0x14}}, 0x0, 0x0, 0x0, 0x0, 0x2}}}, 0xb8}, 0x1}, 0x0) [ 1497.497750] 9pnet: Insufficient options for proto=fd 03:39:55 executing program 7: sendmsg$IPVS_CMD_FLUSH(0xffffffffffffffff, &(0x7f0000000340)={&(0x7f0000000100)={0x10}, 0xc, &(0x7f00000002c0)={&(0x7f00000001c0)=ANY=[@ANYBLOB='P\x00\x00\x00', @ANYBLOB="00000000000000000000110000002800030014000200697064647030000000000000000000000800040000000000080001000000000014000100080009000000000008005f50e2470000"], 0x2}, 0x1}, 0x0) r0 = socket$nl_generic(0x10, 0x3, 0x10) sendmsg$nl_generic(r0, &(0x7f00003cefe4)={&(0x7f0000000300)={0x10, 0x36200}, 0xc, &(0x7f0000007ff0)={&(0x7f0000000180)={0xffce, 0x2e, 0x6fd, 0x0, 0x0, {0x2004}, [@nested={0xc, 0x0, [@typed={0x62, 0x9, @ipv4}]}]}, 0xffce}, 0x1, 0x0, 0x0, 0x800000000000000}, 0x0) 03:39:55 executing program 6: r0 = perf_event_open(&(0x7f0000000180)={0x2, 0x70, 0x3e5}, 0x0, 0x0, 0xffffffffffffffff, 0x0) ioctl$KVM_CREATE_VM(0xffffffffffffffff, 0xae01, 0x0) pipe2$9p(&(0x7f0000000000)={0xffffffffffffffff, 0xffffffffffffffff}, 0x0) write$P9_RLERRORu(r2, &(0x7f0000000080)=ANY=[@ANYBLOB="1400000007ffff0700"], 0x9) mkdir(&(0x7f0000000440)='./file0\x00', 0x0) execve(&(0x7f0000000040)='./file1\x00', &(0x7f0000000500)=[&(0x7f00000000c0)='\x00', &(0x7f0000000100)='9p\x00', &(0x7f0000000140)='(+user-$eth0}*ppp0ð0+\\\x00', &(0x7f0000000300)=')vboxnet0posix_acl_access$ppp0\'$%self#\\#%},!-\x00', &(0x7f0000000340)='9p\x00', &(0x7f0000000380)='ppp1*\x00', &(0x7f00000003c0)="23637075736574905e76626f786e657431212c766d6e6574312d6370757365745e247365637572697479706f7369785f61636c5f6163636573732b7d70707031776c616e312e2b00", &(0x7f0000000480)="262de97070703070726f636e6f64657665746830637075736574282600", &(0x7f00000004c0)='9p\x00'], &(0x7f0000000840)=[&(0x7f0000000580)='9p\x00', &(0x7f0000000640)='vmnet0\x00', &(0x7f0000000680)='9p\x00', &(0x7f00000006c0)='\x00', &(0x7f0000000700)='9p\x00', &(0x7f0000000740)='9p\x00', &(0x7f0000000780)="289276626f786e65743100", &(0x7f00000007c0)='\x00', &(0x7f0000000800)='\x00']) mount$9p_fd(0x0, &(0x7f00000005c0)='./file0\x00', &(0x7f0000000600)='9p\x00', 0x0, &(0x7f0000000200)=ANY=[@ANYBLOB="7472616e733d66645566646e6f3d3c40ba71d5e4e9635ba3c1e1a67bda9f9904871c9942f355a99b86a6fa04fe95ae4c4db01e3c2f0685bcd000ac83c0a9bafd653b26c70552b0024468016958b8d0686f2f64281e262db1471dc49c69380b6945b6e5f2a13c125c3285805ed3db501ce0f6c0aaf3a98b61f735c66b420f2334d4753a149282ca549fc69b482670d5a1566bbadb692d7ec1d8e15e7537563151c6f5dd170a7ed63da274805e4974255755ba0425b3e038571e00657b9c", @ANYRESHEX=r1, @ANYBLOB=',wfdno=', @ANYRESHEX=r2, @ANYBLOB=',version=9p2000,\x00']) mount$9p_fd(0x0, &(0x7f00000008c0)='./file2\x00', &(0x7f0000000900)='9p\x00', 0x2080000, &(0x7f0000000940)={'trans=fd,', {'rfdno', 0x3d, r1}, 0x2c, {'wfdno', 0x3d, r0}, 0x2c, {[{@cache_none='cache=none', 0x2c}, {@debug={'debug', 0x3d, 0xb0}, 0x2c}, {@afid={'afid', 0x3d, 0x7}, 0x2c}, {@debug={'debug', 0x3d, 0x1}, 0x2c}]}}) 03:39:55 executing program 4: r0 = socket$nl_xfrm(0x10, 0x3, 0x6) sendmsg$nl_xfrm(r0, &(0x7f0000000400)={&(0x7f0000000040)={0x10}, 0xc, &(0x7f00000001c0)={&(0x7f0000000080)=@updpolicy={0xb8, 0x14, 0x407, 0x0, 0x0, {{@in=@loopback=0x7f000001, @in6=@ipv4={[0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x200000000000000], [0xff, 0xff], @dev={0xac, 0x14, 0x14}}, 0x0, 0x0, 0x0, 0x0, 0x2}}}, 0xb8}, 0x1}, 0x0) [ 1497.532478] BTRFS error (device loop2): open_ctree failed [ 1497.553889] BTRFS error (device loop2): unsupported checksum algorithm 3786 [ 1497.561074] BTRFS error (device loop2): superblock checksum mismatch 03:39:55 executing program 0: perf_event_open(&(0x7f0000000180)={0x2, 0x70, 0x3e5}, 0x0, 0x0, 0xffffffffffffffff, 0x0) r0 = socket$inet_udp(0x2, 0x2, 0x0) syz_open_dev$admmidi(&(0x7f0000000040)='/dev/admmidi#\x00', 0x14c2, 0x10000) sendto$inet(r0, &(0x7f0000000000), 0x0, 0x400c000, &(0x7f000083b000)={0x2, 0x4e20}, 0x10) r1 = syz_open_procfs(0x0, &(0x7f0000000080)='net/udp\x00') sendfile(r0, r1, &(0x7f0000000000), 0xff) 03:39:55 executing program 5 (fault-call:4 fault-nth:0): r0 = syz_open_dev$sndseq(&(0x7f0000dcc000)='/dev/snd/seq\x00', 0x0, 0x0) read(r0, &(0x7f0000000280)=""/28, 0x58) ioctl$SNDRV_SEQ_IOCTL_CREATE_PORT(r0, 0xc0a85320, &(0x7f0000418f50)={{0x80}, "0a4ceaa05d9a00000000000000039b3fd4cec307e8ef3d13eb790ec9c65abaf90d229db692542e5b78f8b29e0a27800f0000000000000009fb42f376589701a4", 0xa9824f69d1376637, 0x10800a}) ioctl$SNDRV_SEQ_IOCTL_REMOVE_EVENTS(r0, 0x4040534e, &(0x7f000019ffe9)={0xc1}) ioctl$SNDRV_SEQ_IOCTL_SET_PORT_INFO(r0, 0x40a85323, &(0x7f0000000080)={{0x80}, 'port1\x00'}) ioctl$SNDRV_SEQ_IOCTL_SUBSCRIBE_PORT(r0, 0x40505330, &(0x7f0000000140)) openat$sequencer2(0xffffffffffffff9c, &(0x7f0000000040)='/dev/sequencer2\x00', 0x0, 0x0) [ 1497.612312] 9pnet: Could not find request transport: fdUfdno=<@ºqÕäéc[£Áá¦{ÚŸ™‡™BóU©›†¦úþ•®LM°0xffffffffffffffff}) setsockopt$inet6_MRT6_ADD_MIF(r0, 0x29, 0xca, &(0x7f0000000140)={0x3, 0x0, 0x5, 0xfffffffffffffbff}, 0xc) perf_event_open(&(0x7f0000000180)={0x2, 0x70, 0x3e5}, 0x0, 0x0, 0xffffffffffffffff, 0x0) r1 = socket$inet_udp(0x2, 0x2, 0x0) sendto$inet(r1, &(0x7f0000000000), 0x0, 0x400c000, &(0x7f000083b000)={0x2, 0x4e20}, 0x10) getsockopt$sock_cred(r1, 0x1, 0x11, &(0x7f0000000040)={0x0}, &(0x7f00000000c0)=0xc) gettid() ioctl$sock_SIOCGPGRP(r1, 0x8904, &(0x7f0000000100)) r3 = syz_open_procfs(r2, &(0x7f0000000240)="ce67c7959340846be1e2da39d58b51136e65742f756470004b39e955ce4fd93afad4ed52f20150d6da2070d710bf8bff20c58630d55042") openat$urandom(0xffffffffffffff9c, &(0x7f0000000200)='/dev/urandom\x00', 0x181000, 0x0) sendfile(r1, r3, &(0x7f0000000000), 0xff) 03:39:56 executing program 4: r0 = socket$nl_xfrm(0x10, 0x3, 0x6) sendmsg$nl_xfrm(r0, &(0x7f0000000400)={&(0x7f0000000040)={0x10}, 0xc, &(0x7f00000001c0)={&(0x7f0000000080)=@updpolicy={0xb8, 0x14, 0x407, 0x0, 0x0, {{@in=@loopback=0x7f000001, @in6=@ipv4={[0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xffffff7f00000000], [0xff, 0xff], @dev={0xac, 0x14, 0x14}}, 0x0, 0x0, 0x0, 0x0, 0x2}}}, 0xb8}, 0x1}, 0x0) 03:39:56 executing program 6: r0 = perf_event_open(&(0x7f0000000180)={0x2, 0x70, 0x3e5}, 0x0, 0x0, 0xffffffffffffffff, 0x0) ioctl$KVM_CREATE_VM(0xffffffffffffffff, 0xae01, 0x0) pipe2$9p(&(0x7f0000000000)={0xffffffffffffffff, 0xffffffffffffffff}, 0x0) syz_kvm_setup_cpu$x86(r0, r2, &(0x7f0000fe7000/0x18000)=nil, &(0x7f0000000040)=[@text32={0x20, &(0x7f00000000c0)="3e36f30f51210f01ca360f0f40108ab962020000b808000000ba000000800f30b9410101c0b8a3000000ba000000000f30660f38812e610f01c9660f381745beb969060000b85333b132ba000000000f30", 0x51}], 0x1, 0xa, &(0x7f0000000140)=[@flags={0x3, 0x1080}, @vmwrite={0x8, 0x0, 0x2, 0x0, 0xcd9, 0x0, 0x7, 0x0, 0x1}], 0x2) write$P9_RLERRORu(r2, &(0x7f0000000080)=ANY=[@ANYBLOB="1400000007ffff0700"], 0x9) mkdir(&(0x7f0000000440)='./file0\x00', 0x0) mount$9p_fd(0x0, &(0x7f00000005c0)='./file0\x00', &(0x7f0000000600)='9p\x00', 0x0, &(0x7f0000000640)={'trans=fd,', {'rfdno', 0x3d, r1}, 0x2c, {'wfdno', 0x3d, r2}, 0x2c, {[{@version_9p2000='version=9p2000', 0x2c}]}}) r3 = socket$inet(0x2, 0x800, 0x6) setsockopt$inet_sctp_SCTP_SOCKOPT_CONNECTX_OLD(r3, 0x84, 0x6b, &(0x7f0000000200)=[@in6={0xa, 0x4e20, 0x40, @loopback={0x0, 0x1}, 0x1}, @in6={0xa, 0x4e20, 0x7593, @remote={0xfe, 0x80, [], 0xbb}, 0x1}, @in={0x2, 0x4e24, @broadcast=0xffffffff}, @in={0x2, 0x4e24, @remote={0xac, 0x14, 0x14, 0xbb}}], 0x58) 03:39:56 executing program 1: r0 = socket$inet6(0xa, 0x1000000000002, 0x0) ioctl(r0, 0x8912, &(0x7f0000000280)="025cc83d6d345f8f762070") syz_mount_image$btrfs(&(0x7f0000000080)='btrfs\x00', &(0x7f0000000100)='./file0\x00', 0x0, 0x1, &(0x7f0000000200)=[{&(0x7f0000000500)="8da4363a00000000feffffff0000004d01000000000000000000000000000000ecf6f2a2299748aeb81e1b00920efd9a000001000000000001000000000000005f42485266535f4dd2f873574f257e0a01e2a6a02f5e071383fa5a669a53f2fe9eb4eb7918628af41b", 0x69, 0x10000}], 0x0, &(0x7f0000000240)) 03:39:56 executing program 4: r0 = socket$nl_xfrm(0x10, 0x3, 0x6) sendmsg$nl_xfrm(r0, &(0x7f0000000400)={&(0x7f0000000040)={0x10}, 0xc, &(0x7f00000001c0)={&(0x7f0000000080)=@updpolicy={0xb8, 0x14, 0x407, 0x0, 0x0, {{@in=@loopback=0x7f000001, @in6=@ipv4={[0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1000000], [0xff, 0xff], @dev={0xac, 0x14, 0x14}}, 0x0, 0x0, 0x0, 0x0, 0x2}}}, 0xb8}, 0x1}, 0x0) 03:39:56 executing program 7: sendmsg$IPVS_CMD_FLUSH(0xffffffffffffffff, &(0x7f0000000340)={&(0x7f0000000100)={0x10}, 0xc, &(0x7f00000002c0)={&(0x7f00000001c0)=ANY=[@ANYBLOB='P\x00\x00\x00', @ANYBLOB="00000000000000000000110000002800030014000200697064647030000000000000000000000800040000000000080001000000000014000100080009000000000008005f50e2470000"], 0x2}, 0x1}, 0x0) r0 = socket$nl_generic(0x10, 0x3, 0x10) sendmsg$nl_generic(r0, &(0x7f00003cefe4)={&(0x7f0000000300)={0x10, 0x36200}, 0xc, &(0x7f0000007ff0)={&(0x7f0000000180)={0xffce, 0x2e, 0x6fd, 0x0, 0x0, {0x2004}, [@nested={0xc, 0x0, [@typed={0x62, 0x9, @ipv4}]}]}, 0xffce}, 0x1, 0x0, 0x0, 0x6800}, 0x0) [ 1498.266682] 9pnet: p9_errstr2errno: server reported unknown error  [ 1498.292750] BTRFS error (device loop1): superblock checksum mismatch [ 1498.303404] BTRFS error (device loop1): open_ctree failed 03:39:56 executing program 0: perf_event_open(&(0x7f0000000180)={0x2, 0x70, 0x3e5}, 0x0, 0x0, 0xffffffffffffffff, 0x0) r0 = socket$inet_udp(0x2, 0x2, 0x0) sendto$inet(r0, &(0x7f0000000000), 0x0, 0x400c000, &(0x7f0000000140)={0x2, 0x4e20, @rand_addr=0x2bac940}, 0x10) r1 = openat$ipvs(0xffffffffffffff9c, &(0x7f0000000200)='/proc/sys/net/ipv4/vs/nat_icmp_send\x00', 0x2, 0x0) sendto$inet(r0, &(0x7f0000000340)="ec7fd323fa361c1b6b6e8ddbf9f26525af2942e571f251efa6daa1b26a59a36092202f9bb5abfed05014a0827dc1081e0bc24e2102d5b17fec537e49dea71154e1b9ac9fc6d32cf40fc4e4b3e04b8a220565ef209f53fac7f30c8b309357028ffb37ba75f6a2dbbcc93d155ea34f4d60066e801f1ec113", 0x77, 0x24004800, &(0x7f00000003c0)={0x2, 0x4e20, @loopback=0x7f000001}, 0x10) ioctl$KVM_GET_VCPU_EVENTS(r1, 0x8040ae9f, &(0x7f0000000400)) setsockopt$inet_sctp_SCTP_SOCKOPT_BINDX_REM(r1, 0x84, 0x65, &(0x7f0000000240)=[@in={0x2, 0x4e20}, @in={0x2, 0x4e21, @rand_addr=0x315}, @in={0x2, 0x4e24, @multicast1=0xe0000001}, @in6={0xa, 0x4e22, 0xc3, @local={0xfe, 0x80, [], 0xaa}, 0x3}, @in6={0xa, 0x4e22, 0x1f, @ipv4={[], [0xff, 0xff], @local={0xac, 0x14, 0x14, 0xaa}}, 0x100000001}, @in6={0xa, 0x4e24, 0x7, @remote={0xfe, 0x80, [], 0xbb}, 0xfffffffffffffff8}], 0x84) connect$l2tp(r1, &(0x7f0000000300)=@pppol2tpin6={0x18, 0x1, {0x0, r0, 0x2, 0x1, 0x3, 0x0, {0xa, 0x4e20, 0x4, @ipv4={[], [0xff, 0xff], @dev={0xac, 0x14, 0x14, 0x15}}, 0x2}}}, 0x32) r2 = syz_open_procfs(0x0, &(0x7f0000000080)='net/udp\x00') sendfile(r0, r2, &(0x7f0000000000), 0xff) getsockopt$inet_opts(r0, 0x0, 0xd, &(0x7f00000000c0)=""/79, &(0x7f0000000040)=0x4f) 03:39:56 executing program 1: r0 = socket$inet6(0xa, 0x1000000000002, 0x0) ioctl(r0, 0x8912, &(0x7f0000000280)="025cc83d6d345f8f762070") syz_mount_image$btrfs(&(0x7f0000000080)='btrfs\x00', &(0x7f0000000100)='./file0\x00', 0x0, 0x1, &(0x7f0000000200)=[{&(0x7f0000000500)="8da4363a00000000230000000000004d01000000000000000000000000000000ecf6f2a2299748aeb81e1b00920efd9a000001000000000001000000000000005f42485266535f4dd2f873574f257e0a01e2a6a02f5e071383fa5a669a53f2fe9eb4eb7918628af41b", 0x69, 0x10000}], 0x0, &(0x7f0000000240)) 03:39:56 executing program 4: r0 = socket$nl_xfrm(0x10, 0x3, 0x6) sendmsg$nl_xfrm(r0, &(0x7f0000000400)={&(0x7f0000000040)={0x10}, 0xc, &(0x7f00000001c0)={&(0x7f0000000080)=@updpolicy={0xb8, 0x14, 0x407, 0x0, 0x0, {{@in=@loopback=0x7f000001, @in6=@ipv4={[0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xffffff7f], [0xff, 0xff], @dev={0xac, 0x14, 0x14}}, 0x0, 0x0, 0x0, 0x0, 0x2}}}, 0xb8}, 0x1}, 0x0) 03:39:56 executing program 7: sendmsg$IPVS_CMD_FLUSH(0xffffffffffffffff, &(0x7f0000000340)={&(0x7f0000000100)={0x10}, 0xc, &(0x7f00000002c0)={&(0x7f00000001c0)=ANY=[@ANYBLOB='P\x00\x00\x00', @ANYBLOB="00000000000000000000110000002800030014000200697064647030000000000000000000000800040000000000080001000000000014000100080009000000000008005f50e2470000"], 0x2}, 0x1}, 0x0) r0 = socket$nl_generic(0x10, 0x3, 0x10) sendmsg$nl_generic(r0, &(0x7f00003cefe4)={&(0x7f0000000300)={0x10, 0x36200}, 0xc, &(0x7f0000007ff0)={&(0x7f0000000180)={0xffce, 0x2e, 0x6fd, 0x0, 0x0, {0x2004}, [@nested={0xc, 0x0, [@typed={0x62, 0x9, @ipv4}]}]}, 0xffce}, 0x1, 0x0, 0x0, 0x6000000000000000}, 0x0) [ 1498.329817] BTRFS error (device loop1): superblock checksum mismatch [ 1498.344539] 9pnet: p9_errstr2errno: server reported unknown error  [ 1498.359735] BTRFS error (device loop1): open_ctree failed 03:39:56 executing program 6: perf_event_open(&(0x7f0000000180)={0x2, 0x70, 0x3e5}, 0x0, 0x0, 0xffffffffffffffff, 0x0) r0 = ioctl$KVM_CREATE_VM(0xffffffffffffffff, 0xae01, 0x0) pipe2$9p(&(0x7f0000000000)={0xffffffffffffffff, 0xffffffffffffffff}, 0x0) ioctl$SNDRV_SEQ_IOCTL_SET_QUEUE_TIMER(r0, 0x40605346, &(0x7f00000000c0)={0x7, 0x2, {0xffffffffffffffff, 0x3, 0x87f1, 0x3, 0xf2}}) write$P9_RLERRORu(r2, &(0x7f0000000080)=ANY=[@ANYBLOB="1400000007ffff0700"], 0x9) mkdir(&(0x7f0000000140)='./file0\x00', 0xfe) mount$9p_fd(0x0, &(0x7f00000005c0)='./file0\x00', &(0x7f0000000600)='9p\x00', 0x0, &(0x7f0000000200)=ANY=[@ANYBLOB='trans=fd,rfdno=', @ANYRESHEX=r1, @ANYBLOB=',wfdno=', @ANYRESHEX=r2, @ANYBLOB="2c76656173696f00000000323030302c00a1679a411230f29ba519"]) [ 1498.414670] BTRFS error (device loop2): unsupported checksum algorithm 3786 [ 1498.421835] BTRFS error (device loop2): superblock checksum mismatch [ 1498.444866] BTRFS error (device loop2): open_ctree failed 03:39:56 executing program 2: r0 = socket$inet6(0xa, 0x1000000000002, 0x0) ioctl(r0, 0x8912, &(0x7f0000000280)="025cc83d6d345f8f762070") syz_mount_image$btrfs(&(0x7f0000000080)='btrfs\x00', &(0x7f0000000100)='./file0\x00', 0x0, 0x1, &(0x7f0000000200)=[{&(0x7f0000000500)="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", 0x116, 0x10000}], 0x0, &(0x7f0000000240)) [ 1498.459921] BTRFS error (device loop2): unsupported checksum algorithm 3786 [ 1498.467139] BTRFS error (device loop2): superblock checksum mismatch 03:39:56 executing program 5: r0 = syz_open_dev$sndseq(&(0x7f0000dcc000)='/dev/snd/seq\x00', 0x0, 0x0) read(r0, &(0x7f0000000280)=""/28, 0x58) ioctl$SNDRV_SEQ_IOCTL_CREATE_PORT(r0, 0xc0a85320, &(0x7f0000418f50)={{0x80}, "0a4ceaa05d9a00000000000000039b3fd4cec307e8ef3d13eb790ec9c65abaf90d229db692542e5b78f8b29e0a27800f0000000000000009fb42f376589701a4", 0xa9824f69d1376637, 0x10800a}) ioctl$SNDRV_SEQ_IOCTL_REMOVE_EVENTS(r0, 0x4040534e, &(0x7f000019ffe9)={0xc1}) ioctl$SNDRV_SEQ_IOCTL_SET_PORT_INFO(r0, 0x40a85323, &(0x7f0000000080)={{0x80}, 'port1\x00'}) ioctl$SNDRV_SEQ_IOCTL_SUBSCRIBE_PORT(r0, 0x40505330, &(0x7f0000000140)) openat$sequencer2(0xffffffffffffff9c, &(0x7f0000000040)='/dev/sequencer2\x00', 0x0, 0x0) [ 1498.531251] BTRFS error (device loop2): open_ctree failed 03:39:57 executing program 3: r0 = socket$inet(0x2, 0x4000000000000001, 0x0) setsockopt$inet_tcp_TCP_CONGESTION(r0, 0x6, 0xd, &(0x7f0000000140)='nv\x00', 0x3) sendto$inet(r0, &(0x7f0000a88f88), 0xfffffffffffffe6e, 0x20000000, &(0x7f0000e68000)={0x2, 0x0, @local={0xac, 0x14, 0x14, 0xaa}, [0x0, 0x0, 0x4e26f0d1]}, 0x10) shutdown(r0, 0x0) 03:39:57 executing program 7: sendmsg$IPVS_CMD_FLUSH(0xffffffffffffffff, &(0x7f0000000340)={&(0x7f0000000100)={0x10}, 0xc, &(0x7f00000002c0)={&(0x7f00000001c0)=ANY=[@ANYBLOB='P\x00\x00\x00', @ANYBLOB="00000000000000000000110000002800030014000200697064647030000000000000000000000800040000000000080001000000000014000100080009000000000008005f50e2470000"], 0x2}, 0x1}, 0x0) r0 = socket$nl_generic(0x10, 0x3, 0x10) sendmsg$nl_generic(r0, &(0x7f00003cefe4)={&(0x7f0000000300)={0x10, 0x36200}, 0xc, &(0x7f0000007ff0)={&(0x7f0000000180)={0xffce, 0x2e, 0x6fd, 0x0, 0x0, {0x2004}, [@nested={0xc, 0x0, [@typed={0x62, 0x9, @ipv4}]}]}, 0xffce}, 0x1, 0x0, 0x0, 0x4c000000}, 0x0) 03:39:57 executing program 0: pipe2(&(0x7f0000000040)={0xffffffffffffffff}, 0x84000) perf_event_open(&(0x7f0000000180)={0x2, 0x70, 0x3e5}, 0x0, 0x0, 0xffffffffffffffff, 0x0) ioctl$SCSI_IOCTL_STOP_UNIT(r0, 0x6) r1 = socket$inet_udp(0x2, 0x2, 0x0) sendto$inet(r1, &(0x7f0000000000), 0x0, 0x400c000, &(0x7f000083b000)={0x2, 0x4e20}, 0x10) r2 = syz_open_procfs(0x0, &(0x7f0000000080)='net/udp\x00') sendfile(r1, r2, &(0x7f0000000000), 0xff) 03:39:57 executing program 4: r0 = socket$nl_xfrm(0x10, 0x3, 0x6) sendmsg$nl_xfrm(r0, &(0x7f0000000400)={&(0x7f0000000040)={0x10}, 0xc, &(0x7f00000001c0)={&(0x7f0000000080)=@updpolicy={0xb8, 0x14, 0x407, 0x0, 0x0, {{@in=@loopback=0x7f000001, @in6=@ipv4={[0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x300], [0xff, 0xff], @dev={0xac, 0x14, 0x14}}, 0x0, 0x0, 0x0, 0x0, 0x2}}}, 0xb8}, 0x1}, 0x0) 03:39:57 executing program 6: r0 = syz_open_dev$audion(&(0x7f0000000300)='/dev/audio#\x00', 0x4, 0x50100) ioctl$SNDRV_SEQ_IOCTL_REMOVE_EVENTS(r0, 0x4040534e, &(0x7f0000000340)={0x1, @tick=0xfff, 0x3, {0x5, 0x3}, 0x7ff, 0x3, 0x1}) perf_event_open(&(0x7f0000000180)={0x2, 0x70, 0x3e5}, 0x0, 0x0, 0xffffffffffffffff, 0x0) ioctl$KVM_CREATE_VM(0xffffffffffffffff, 0xae01, 0x0) pipe2$9p(&(0x7f0000000000)={0xffffffffffffffff, 0xffffffffffffffff}, 0x0) write$P9_RLERRORu(r2, &(0x7f0000000080)=ANY=[@ANYBLOB="1400000007ffff0700"], 0x9) mkdir(&(0x7f0000000440)='./file0\x00', 0x0) lstat(&(0x7f0000000100)='./file0\x00', &(0x7f0000000200)={0x0, 0x0, 0x0, 0x0, 0x0}) getresgid(&(0x7f0000000140)=0x0, &(0x7f0000000280), &(0x7f00000002c0)) syz_fuseblk_mount(&(0x7f0000000040)='./file0\x00', &(0x7f00000000c0)='./file0\x00', 0x2000, r3, r4, 0x1, 0x6, 0x180000) mount$9p_fd(0x0, &(0x7f00000005c0)='./file0\x00', &(0x7f0000000600)='9p\x00', 0x0, &(0x7f0000000640)={'trans=fd,', {'rfdno', 0x3d, r1}, 0x2c, {'wfdno', 0x3d, r2}, 0x2c, {[{@version_9p2000='version=9p2000', 0x2c}]}}) 03:39:57 executing program 2: r0 = socket$inet6(0xa, 0x1000000000002, 0x0) ioctl(r0, 0x8912, &(0x7f0000000280)="025cc83d6d345f8f762070") syz_mount_image$btrfs(&(0x7f0000000080)='btrfs\x00', &(0x7f0000000100)='./file0\x00', 0x0, 0x1, &(0x7f0000000200)=[{&(0x7f0000000500)="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", 0x116, 0x10000}], 0x0, &(0x7f0000000240)) 03:39:57 executing program 1: r0 = socket$inet6(0xa, 0x1000000000002, 0x0) ioctl(r0, 0x8912, &(0x7f0000000280)="025cc83d6d345f8f762070") syz_mount_image$btrfs(&(0x7f0000000080)='btrfs\x00', &(0x7f0000000100)='./file0\x00', 0x0, 0x1, &(0x7f0000000200)=[{&(0x7f0000000500)="8da4363a00000000d00200000000004d01000000000000000000000000000000ecf6f2a2299748aeb81e1b00920efd9a000001000000000001000000000000005f42485266535f4dd2f873574f257e0a01e2a6a02f5e071383fa5a669a53f2fe9eb4eb7918628af41b", 0x69, 0x10000}], 0x0, &(0x7f0000000240)) 03:39:57 executing program 4: r0 = socket$nl_xfrm(0x10, 0x3, 0x6) sendmsg$nl_xfrm(r0, &(0x7f0000000400)={&(0x7f0000000040)={0x10}, 0xc, &(0x7f00000001c0)={&(0x7f0000000080)=@updpolicy={0xb8, 0x14, 0x407, 0x0, 0x0, {{@in=@loopback=0x7f000001, @in6=@ipv4={[0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xffffff9e], [0xff, 0xff], @dev={0xac, 0x14, 0x14}}, 0x0, 0x0, 0x0, 0x0, 0x2}}}, 0xb8}, 0x1}, 0x0) 03:39:57 executing program 7: sendmsg$IPVS_CMD_FLUSH(0xffffffffffffffff, &(0x7f0000000340)={&(0x7f0000000100)={0x10}, 0xc, &(0x7f00000002c0)={&(0x7f00000001c0)=ANY=[@ANYBLOB='P\x00\x00\x00', @ANYBLOB="00000000000000000000110000002800030014000200697064647030000000000000000000000800040000000000080001000000000014000100080009000000000008005f50e2470000"], 0x2}, 0x1}, 0x0) r0 = socket$nl_generic(0x10, 0x3, 0x10) sendmsg$nl_generic(r0, &(0x7f00003cefe4)={&(0x7f0000000300)={0x10, 0x36200}, 0xc, &(0x7f0000007ff0)={&(0x7f0000000180)={0xffce, 0x2e, 0x6fd, 0x0, 0x0, {0x2004}, [@nested={0xc, 0x0, [@typed={0x62, 0x9, @ipv4}]}]}, 0xffce}, 0x1, 0x0, 0x0, 0xf0ffff}, 0x0) [ 1499.171086] 9pnet: p9_errstr2errno: server reported unknown error  [ 1499.182265] BTRFS error (device loop1): superblock checksum mismatch [ 1499.201015] BTRFS error (device loop1): open_ctree failed [ 1499.210033] 9pnet: p9_errstr2errno: server reported unknown error  03:39:57 executing program 0: perf_event_open(&(0x7f0000000180)={0x2, 0x70, 0x3e5}, 0x0, 0x0, 0xffffffffffffffff, 0x0) r0 = socket$inet_udp(0x2, 0x2, 0x0) sendto$inet(r0, &(0x7f0000000140)="80d313fc92e9e08e0e91c8ba1dd6727b5a78d5efc2bb979a0604f84a78f461ea20668b982f326569f02cb1d1075df3cb2ac9d70000000000000000", 0xfffffffffffffc62, 0x400c000, &(0x7f0000000200)={0x2, 0x4e22, @local={0xac, 0x14, 0x14, 0xaa}}, 0x10) r1 = syz_open_procfs(0x0, &(0x7f0000000080)='net/udp\x00') getsockopt$inet_sctp_SCTP_RTOINFO(r1, 0x84, 0x0, &(0x7f0000000040)={0x0, 0x0, 0x1000, 0x2}, &(0x7f00000000c0)=0x10) chmod(&(0x7f0000000240)='./file0\x00', 0x4) setsockopt$inet_sctp_SCTP_RESET_ASSOC(r1, 0x84, 0x78, &(0x7f0000000100)=r2, 0x4) [ 1499.220697] BTRFS error (device loop1): superblock checksum mismatch [ 1499.238723] BTRFS error (device loop1): open_ctree failed 03:39:57 executing program 6: perf_event_open(&(0x7f0000000180)={0x2, 0x70, 0x3e5}, 0x0, 0x0, 0xffffffffffffffff, 0x0) ioctl$KVM_CREATE_VM(0xffffffffffffffff, 0xae01, 0x0) pipe2$9p(&(0x7f0000000000)={0xffffffffffffffff, 0xffffffffffffffff}, 0x0) write$P9_RLERRORu(r1, &(0x7f0000000040)=ANY=[@ANYBLOB="1400c54c3560ff0700"], 0x9) mkdir(&(0x7f0000000440)='./file0\x00', 0x0) mount$9p_fd(0x0, &(0x7f00000005c0)='./file0\x00', &(0x7f0000000600)='9p\x00', 0x0, &(0x7f0000000640)={'trans=fd,', {'rfdno', 0x3d, r0}, 0x2c, {'wfdno', 0x3d, r1}, 0x2c, {[{@version_9p2000='version=9p2000', 0x2c}]}}) rt_sigpending(&(0x7f0000000080), 0x8) 03:39:57 executing program 7: sendmsg$IPVS_CMD_FLUSH(0xffffffffffffffff, &(0x7f0000000340)={&(0x7f0000000100)={0x10}, 0xc, &(0x7f00000002c0)={&(0x7f00000001c0)=ANY=[@ANYBLOB='P\x00\x00\x00', @ANYBLOB="00000000000000000000110000002800030014000200697064647030000000000000000000000800040000000000080001000000000014000100080009000000000008005f50e2470000"], 0x2}, 0x1}, 0x0) r0 = socket$nl_generic(0x10, 0x3, 0x10) sendmsg$nl_generic(r0, &(0x7f00003cefe4)={&(0x7f0000000300)={0x10, 0x36200}, 0xc, &(0x7f0000007ff0)={&(0x7f0000000180)={0xffce, 0x2e, 0x6fd, 0x0, 0x0, {0x2004}, [@nested={0xc, 0x0, [@typed={0x62, 0x9, @ipv4}]}]}, 0xffce}, 0x1, 0x0, 0x0, 0xb000000}, 0x0) 03:39:57 executing program 4: r0 = socket$nl_xfrm(0x10, 0x3, 0x6) sendmsg$nl_xfrm(r0, &(0x7f0000000400)={&(0x7f0000000040)={0x10}, 0xc, &(0x7f00000001c0)={&(0x7f0000000080)=@updpolicy={0xb8, 0x14, 0x407, 0x0, 0x0, {{@in=@loopback=0x7f000001, @in6=@ipv4={[0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xf0ffffff00000000], [0xff, 0xff], @dev={0xac, 0x14, 0x14}}, 0x0, 0x0, 0x0, 0x0, 0x2}}}, 0xb8}, 0x1}, 0x0) 03:39:57 executing program 0: perf_event_open(&(0x7f0000000180)={0x2, 0x70, 0x3e5}, 0x0, 0x0, 0xffffffffffffffff, 0x0) r0 = socket$inet_udp(0x2, 0x2, 0x0) sendto$inet(r0, &(0x7f0000000000), 0x0, 0x400c000, &(0x7f000083b000)={0x2, 0x4e20}, 0x10) r1 = syz_open_procfs(0x0, &(0x7f0000000080)='net/udp\x00') sendfile(r0, r1, &(0x7f0000000000)=0x3, 0x4) 03:39:57 executing program 2: r0 = socket$inet6(0xa, 0x1000000000002, 0x0) ioctl(r0, 0x8912, &(0x7f0000000280)="025cc83d6d345f8f762070") syz_mount_image$btrfs(&(0x7f0000000080)='btrfs\x00', &(0x7f0000000100)='./file0\x00', 0x0, 0x1, &(0x7f0000000200)=[{&(0x7f0000000500)="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", 0x116, 0x10000}], 0x0, &(0x7f0000000240)) [ 1499.263553] BTRFS error (device loop1): superblock checksum mismatch [ 1499.295281] BTRFS error (device loop1): open_ctree failed [ 1499.393005] BTRFS error (device loop2): unsupported checksum algorithm 3786 [ 1499.400213] BTRFS error (device loop2): superblock checksum mismatch [ 1499.408241] BTRFS error (device loop2): open_ctree failed [ 1499.431810] BTRFS error (device loop2): unsupported checksum algorithm 3786 [ 1499.438986] BTRFS error (device loop2): superblock checksum mismatch [ 1499.446605] BTRFS error (device loop2): open_ctree failed 03:39:57 executing program 5: r0 = syz_open_dev$sndseq(&(0x7f0000dcc000)='/dev/snd/seq\x00', 0x0, 0x0) read(r0, &(0x7f0000000280)=""/28, 0x58) ioctl$SNDRV_SEQ_IOCTL_CREATE_PORT(r0, 0xc0a85320, &(0x7f0000418f50)={{0x80}, "0a4ceaa05d9a00000000000000039b3fd4cec307e8ef3d13eb790ec9c65abaf90d229db692542e5b78f8b29e0a27800f0000000000000009fb42f376589701a4", 0xa9824f69d1376637, 0x10800a}) ioctl$SNDRV_SEQ_IOCTL_REMOVE_EVENTS(r0, 0x4040534e, &(0x7f000019ffe9)={0xc1}) ioctl$SNDRV_SEQ_IOCTL_SET_PORT_INFO(r0, 0x80045301, &(0x7f0000000080)={{0x80}, 'port1\x00'}) ioctl$SNDRV_SEQ_IOCTL_SUBSCRIBE_PORT(r0, 0x40505330, &(0x7f0000000140)) openat$sequencer2(0xffffffffffffff9c, &(0x7f0000000040)='/dev/sequencer2\x00', 0x0, 0x0) 03:39:58 executing program 3: r0 = socket$inet(0x2, 0x4000000000000001, 0x0) setsockopt$inet_tcp_TCP_CONGESTION(r0, 0x6, 0xd, &(0x7f0000000140)='nv\x00', 0x3) sendto$inet(r0, &(0x7f0000a88f88), 0xfffffffffffffe6e, 0x20000000, &(0x7f0000e68000)={0x2, 0x0, @local={0xac, 0x14, 0x14, 0xaa}, [0x0, 0x0, 0x1000000]}, 0x10) shutdown(r0, 0x0) 03:39:58 executing program 1: r0 = socket$inet6(0xa, 0x1000000000002, 0x0) ioctl(r0, 0x8912, &(0x7f0000000280)="025cc83d6d345f8f762070") syz_mount_image$btrfs(&(0x7f0000000080)='btrfs\x00', &(0x7f0000000100)='./file0\x00', 0x0, 0x1, &(0x7f0000000200)=[{&(0x7f0000000500)="8da4363a000000001a1501000000004d01000000000000000000000000000000ecf6f2a2299748aeb81e1b00920efd9a000001000000000001000000000000005f42485266535f4dd2f873574f257e0a01e2a6a02f5e071383fa5a669a53f2fe9eb4eb7918628af41b", 0x69, 0x10000}], 0x0, &(0x7f0000000240)) 03:39:58 executing program 0: perf_event_open(&(0x7f0000000180)={0x2, 0x70, 0x3e5}, 0x0, 0x0, 0xffffffffffffffff, 0x0) r0 = socket$inet_udp(0x2, 0x2, 0x0) sendto$inet(r0, &(0x7f0000000000), 0x0, 0x400c000, &(0x7f000083b000)={0x2, 0x4e21}, 0x398) r1 = syz_open_procfs(0x0, &(0x7f0000000080)='net/udp\x00') sendfile(r0, r1, &(0x7f0000000000), 0xff) 03:39:58 executing program 7: sendmsg$IPVS_CMD_FLUSH(0xffffffffffffffff, &(0x7f0000000340)={&(0x7f0000000100)={0x10}, 0xc, &(0x7f00000002c0)={&(0x7f00000001c0)=ANY=[@ANYBLOB='P\x00\x00\x00', @ANYBLOB="00000000000000000000110000002800030014000200697064647030000000000000000000000800040000000000080001000000000014000100080009000000000008005f50e2470000"], 0x2}, 0x1}, 0x0) r0 = socket$nl_generic(0x10, 0x3, 0x10) sendmsg$nl_generic(r0, &(0x7f00003cefe4)={&(0x7f0000000300)={0x10, 0x36200}, 0xc, &(0x7f0000007ff0)={&(0x7f0000000180)={0xffce, 0x2e, 0x6fd, 0x0, 0x0, {0x2004}, [@nested={0xc, 0x0, [@typed={0x62, 0x9, @ipv4}]}]}, 0xffce}, 0x1, 0x0, 0x0, 0xa00}, 0x0) 03:39:58 executing program 6: perf_event_open(&(0x7f0000000180)={0x2, 0x70, 0x3e5}, 0x0, 0x0, 0xffffffffffffffff, 0x0) r0 = ioctl$KVM_CREATE_VM(0xffffffffffffffff, 0xae01, 0x0) pipe2$9p(&(0x7f0000000000)={0xffffffffffffffff, 0xffffffffffffffff}, 0x0) write$P9_RLERRORu(r2, &(0x7f0000000080)=ANY=[@ANYBLOB="1400000007ffff0700"], 0x9) mkdir(&(0x7f0000000440)='./file0\x00', 0x0) r3 = openat(r0, &(0x7f0000000040)='./file0\x00', 0x401, 0xc) symlinkat(&(0x7f0000000140)='./file0\x00', r2, &(0x7f00000002c0)='./file0\x00') getsockopt$inet_sctp6_SCTP_PR_SUPPORTED(0xffffffffffffff9c, 0x84, 0x71, &(0x7f00000000c0)={0x0, 0x400}, &(0x7f0000000100)=0x8) setsockopt$inet_sctp_SCTP_PEER_ADDR_PARAMS(r3, 0x84, 0x9, &(0x7f0000000200)={r4, @in6={{0xa, 0x4e22, 0x100, @empty, 0xaef}}, 0x100000001, 0x800, 0x1ff, 0x1000, 0x4}, 0x98) mount$9p_fd(0x0, &(0x7f00000005c0)='./file0\x00', &(0x7f0000000600)='9p\x00', 0x0, &(0x7f0000000640)={'trans=fd,', {'rfdno', 0x3d, r1}, 0x2c, {'wfdno', 0x3d, r2}, 0x2c, {[{@version_9p2000='version=9p2000', 0x2c}]}}) 03:39:58 executing program 4: r0 = socket$nl_xfrm(0x10, 0x3, 0x6) sendmsg$nl_xfrm(r0, &(0x7f0000000400)={&(0x7f0000000040)={0x10}, 0xc, &(0x7f00000001c0)={&(0x7f0000000080)=@updpolicy={0xb8, 0x14, 0x407, 0x0, 0x0, {{@in=@loopback=0x7f000001, @in6=@ipv4={[0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x9effffff00000000], [0xff, 0xff], @dev={0xac, 0x14, 0x14}}, 0x0, 0x0, 0x0, 0x0, 0x2}}}, 0xb8}, 0x1}, 0x0) 03:39:58 executing program 2: r0 = socket$inet6(0xa, 0x1000000000002, 0x0) ioctl(r0, 0x8912, &(0x7f0000000280)="025cc83d6d345f8f762070") syz_mount_image$btrfs(&(0x7f0000000080)='btrfs\x00', &(0x7f0000000100)='./file0\x00', 0x0, 0x1, &(0x7f0000000200)=[{&(0x7f0000000500)="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", 0x116, 0x10000}], 0x0, &(0x7f0000000240)) 03:39:58 executing program 7: sendmsg$IPVS_CMD_FLUSH(0xffffffffffffffff, &(0x7f0000000340)={&(0x7f0000000100)={0x10}, 0xc, &(0x7f00000002c0)={&(0x7f00000001c0)=ANY=[@ANYBLOB='P\x00\x00\x00', @ANYBLOB="00000000000000000000110000002800030014000200697064647030000000000000000000000800040000000000080001000000000014000100080009000000000008005f50e2470000"], 0x2}, 0x1}, 0x0) r0 = socket$nl_generic(0x10, 0x3, 0x10) sendmsg$nl_generic(r0, &(0x7f00003cefe4)={&(0x7f0000000300)={0x10, 0x36200}, 0xc, &(0x7f0000007ff0)={&(0x7f0000000180)={0xffce, 0x2e, 0x6fd, 0x0, 0x0, {0x2004}, [@nested={0xc, 0x0, [@typed={0x62, 0x9, @ipv4}]}]}, 0xffce}, 0x1, 0x0, 0x0, 0x1654}, 0x0) 03:39:58 executing program 0: r0 = openat$null(0xffffffffffffff9c, &(0x7f0000000040)='/dev/null\x00', 0x101002, 0x0) r1 = accept4$bt_l2cap(0xffffffffffffffff, &(0x7f00000000c0), &(0x7f0000000100)=0xe, 0x800) ioctl$LOOP_SET_FD(r0, 0x4c00, r1) perf_event_open(&(0x7f0000000180)={0x2, 0x70, 0x3e5}, 0x0, 0x0, 0xffffffffffffffff, 0x0) r2 = socket$inet_udp(0x2, 0x2, 0x0) sendto$inet(r2, &(0x7f0000000000), 0x0, 0x400c000, &(0x7f000083b000)={0x2, 0x4e20, @broadcast=0xffffffff}, 0x10) r3 = syz_open_procfs(0x0, &(0x7f0000000080)='net/udp\x00') sendfile(r2, r3, &(0x7f0000000000), 0xff) 03:39:58 executing program 4: r0 = socket$nl_xfrm(0x10, 0x3, 0x6) sendmsg$nl_xfrm(r0, &(0x7f0000000400)={&(0x7f0000000040)={0x10}, 0xc, &(0x7f00000001c0)={&(0x7f0000000080)=@updpolicy={0xb8, 0x14, 0x407, 0x0, 0x0, {{@in=@loopback=0x7f000001, @in6=@ipv4={[0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xfffffff0], [0xff, 0xff], @dev={0xac, 0x14, 0x14}}, 0x0, 0x0, 0x0, 0x0, 0x2}}}, 0xb8}, 0x1}, 0x0) [ 1500.072292] 9pnet: p9_errstr2errno: server reported unknown error  [ 1500.083180] BTRFS error (device loop2): unsupported checksum algorithm 3786 [ 1500.090477] BTRFS error (device loop2): superblock checksum mismatch [ 1500.115931] 9pnet: p9_errstr2errno: server reported unknown error  [ 1500.120922] BTRFS error (device loop2): open_ctree failed [ 1500.139510] BTRFS error (device loop2): unsupported checksum algorithm 3786 [ 1500.146673] BTRFS error (device loop2): superblock checksum mismatch 03:39:58 executing program 6: perf_event_open(&(0x7f0000000180)={0x2, 0x70, 0x3e5}, 0x0, 0x0, 0xffffffffffffffff, 0x0) write$binfmt_elf32(0xffffffffffffffff, &(0x7f0000000140)=ANY=[@ANYBLOB='\r'], 0x1) mmap$binder(&(0x7f0000ffb000/0x3000)=nil, 0x3000, 0x1000002, 0x1013, 0xffffffffffffffff, 0x0) ioctl$int_in(0xffffffffffffffff, 0x80000000005001, &(0x7f0000000040)) ioctl$KVM_CREATE_VM(0xffffffffffffffff, 0xae01, 0x0) r0 = memfd_create(&(0x7f0000000040)='\x00', 0x3) recvmmsg(r0, &(0x7f00000035c0)=[{{&(0x7f00000000c0)=@sco, 0x80, &(0x7f0000001780)=[{&(0x7f0000000200)=""/26, 0x1a}, {&(0x7f0000000240)=""/132, 0x84}, {&(0x7f00000006c0)=""/4096, 0x1000}, {&(0x7f0000000300)=""/234, 0xea}, {&(0x7f0000000480)=""/153, 0x99}, {&(0x7f0000000400)=""/41, 0x29}, {&(0x7f0000000540)=""/122, 0x7a}, {&(0x7f00000016c0)=""/181, 0xb5}], 0x8, &(0x7f0000001800)=""/102, 0x66, 0xbf}, 0x9}, {{&(0x7f0000001880)=@nl, 0x80, &(0x7f0000002b80)=[{&(0x7f0000001900)=""/6, 0x6}, {&(0x7f0000001940)=""/153, 0x99}, {&(0x7f0000001a00)=""/151, 0x97}, {&(0x7f0000001ac0)=""/146, 0x92}, {&(0x7f0000001b80)=""/4096, 0x1000}], 0x5, &(0x7f0000002c00)=""/134, 0x86, 0x8}, 0xffffffffffffffba}, {{&(0x7f0000002cc0)=@nl=@proc, 0x80, &(0x7f0000003240)=[{&(0x7f0000002d40)=""/245, 0xf5}, {&(0x7f0000002e40)=""/54, 0x36}, {&(0x7f0000002e80)=""/199, 0xc7}, {&(0x7f0000002f80)=""/11, 0xb}, {&(0x7f0000002fc0)=""/140, 0x8c}, {&(0x7f0000003080)=""/240, 0xf0}, {&(0x7f0000003180)=""/34, 0x22}, {&(0x7f00000031c0)=""/10, 0xa}, {&(0x7f0000003200)=""/35, 0x23}], 0x9, &(0x7f0000003300)=""/219, 0xdb}, 0x3}, {{&(0x7f0000003400)=@nfc_llcp, 0x80, &(0x7f0000003580)=[{&(0x7f0000003480)=""/159, 0x9f}, {&(0x7f0000003540)=""/51, 0x33}], 0x2, 0x0, 0x0, 0x9}, 0x5}], 0x4, 0x40000100, &(0x7f00000036c0)) ioctl$LOOP_SET_BLOCK_SIZE(r0, 0x4c09, 0x5) pipe2$9p(&(0x7f0000000000)={0xffffffffffffffff, 0xffffffffffffffff}, 0x0) write$P9_RLERRORu(r2, &(0x7f0000000080)=ANY=[@ANYBLOB="1400000007ffff0700"], 0x9) mkdir(&(0x7f0000000440)='./file0\x00', 0x0) mount$9p_fd(0x0, &(0x7f00000005c0)='./file0\x00', &(0x7f0000000600)='9p\x00', 0x0, &(0x7f0000000640)={'trans=fd,', {'rfdno', 0x3d, r1}, 0x2c, {'wfdno', 0x3d, r2}, 0x2c, {[{@version_9p2000='version=9p2000', 0x2c}]}}) socket$unix(0x1, 0x5, 0x0) getsockopt$XDP_STATISTICS(r0, 0x11b, 0x7, &(0x7f0000003700), &(0x7f0000003740)=0x18) 03:39:58 executing program 7: sendmsg$IPVS_CMD_FLUSH(0xffffffffffffffff, &(0x7f0000000340)={&(0x7f0000000100)={0x10}, 0xc, &(0x7f00000002c0)={&(0x7f00000001c0)=ANY=[@ANYBLOB='P\x00\x00\x00', @ANYBLOB="00000000000000000000110000002800030014000200697064647030000000000000000000000800040000000000080001000000000014000100080009000000000008005f50e2470000"], 0x2}, 0x1}, 0x0) r0 = socket$nl_generic(0x10, 0x3, 0x10) sendmsg$nl_generic(r0, &(0x7f00003cefe4)={&(0x7f0000000300)={0x10, 0x36200}, 0xc, &(0x7f0000007ff0)={&(0x7f0000000180)={0xffce, 0x2e, 0x6fd, 0x0, 0x0, {0x2004}, [@nested={0xc, 0x0, [@typed={0x62, 0x9, @ipv4}]}]}, 0xffce}, 0x1, 0x0, 0x0, 0x6800000000000000}, 0x0) 03:39:58 executing program 2: r0 = socket$inet6(0xa, 0x1000000000002, 0x0) ioctl(r0, 0x8912, &(0x7f0000000280)="025cc83d6d345f8f762070") syz_mount_image$btrfs(&(0x7f0000000080)='btrfs\x00', &(0x7f0000000100)='./file0\x00', 0x0, 0x1, &(0x7f0000000200)=[{&(0x7f0000000500)="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", 0x116, 0x10000}], 0x0, &(0x7f0000000240)) 03:39:58 executing program 4: r0 = socket$nl_xfrm(0x10, 0x3, 0x6) sendmsg$nl_xfrm(r0, &(0x7f0000000400)={&(0x7f0000000040)={0x10}, 0xc, &(0x7f00000001c0)={&(0x7f0000000080)=@updpolicy={0xb8, 0x14, 0x407, 0x0, 0x0, {{@in=@loopback=0x7f000001, @in6=@ipv4={[0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x9effffff], [0xff, 0xff], @dev={0xac, 0x14, 0x14}}, 0x0, 0x0, 0x0, 0x0, 0x2}}}, 0xb8}, 0x1}, 0x0) 03:39:58 executing program 1: r0 = socket$inet6(0xa, 0x1000000000002, 0x0) ioctl(r0, 0x8912, &(0x7f0000000280)="025cc83d6d345f8f762070") syz_mount_image$btrfs(&(0x7f0000000080)='btrfs\x00', &(0x7f0000000100)='./file0\x00', 0x0, 0x1, &(0x7f0000000200)=[{&(0x7f0000000500)="8da4363a00000000000000700000004d01000000000000000000000000000000ecf6f2a2299748aeb81e1b00920efd9a000001000000000001000000000000005f42485266535f4dd2f873574f257e0a01e2a6a02f5e071383fa5a669a53f2fe9eb4eb7918628af41b", 0x69, 0x10000}], 0x0, &(0x7f0000000240)) [ 1500.178505] BTRFS error (device loop2): open_ctree failed [ 1500.265698] 9pnet: p9_errstr2errno: server reported unknown error  [ 1500.279232] BTRFS error (device loop2): unsupported checksum algorithm 3786 [ 1500.286414] BTRFS error (device loop2): superblock checksum mismatch [ 1500.302638] BTRFS error (device loop2): open_ctree failed [ 1500.314932] BTRFS error (device loop2): unsupported checksum algorithm 3786 [ 1500.322139] BTRFS error (device loop2): superblock checksum mismatch [ 1500.334676] 9pnet: p9_errstr2errno: server reported unknown error  [ 1500.343783] BTRFS error (device loop2): open_ctree failed [ 1500.356972] print_req_error: I/O error, dev loop1, sector 128 [ 1500.369748] BTRFS error (device loop2): unsupported checksum algorithm 3786 [ 1500.376895] BTRFS error (device loop2): superblock checksum mismatch [ 1500.384496] BTRFS error (device loop2): open_ctree failed [ 1500.391673] BTRFS error (device loop2): unsupported checksum algorithm 3786 [ 1500.398812] BTRFS error (device loop2): superblock checksum mismatch [ 1500.414466] BTRFS error (device loop2): open_ctree failed 03:39:58 executing program 5: r0 = syz_open_dev$sndseq(&(0x7f0000dcc000)='/dev/snd/seq\x00', 0x0, 0x0) read(r0, &(0x7f0000000280)=""/28, 0x58) ioctl$SNDRV_SEQ_IOCTL_CREATE_PORT(r0, 0xc0a85320, &(0x7f0000418f50)={{0x80}, "0a4ceaa05d9a00000000000000039b3fd4cec307e8ef3d13eb790ec9c65abaf90d229db692542e5b78f8b29e0a27800f0000000000000009fb42f376589701a4", 0xa9824f69d1376637, 0x10800a}) ioctl$SNDRV_SEQ_IOCTL_REMOVE_EVENTS(r0, 0x4040534e, &(0x7f000019ffe9)={0xc1}) ioctl$SNDRV_SEQ_IOCTL_SET_PORT_INFO(r0, 0xc0a85322, &(0x7f0000000080)={{0x80}, 'port1\x00'}) ioctl$SNDRV_SEQ_IOCTL_SUBSCRIBE_PORT(r0, 0x40505330, &(0x7f0000000140)) openat$sequencer2(0xffffffffffffff9c, &(0x7f0000000040)='/dev/sequencer2\x00', 0x0, 0x0) 03:39:59 executing program 4: r0 = socket$nl_xfrm(0x10, 0x3, 0x6) sendmsg$nl_xfrm(r0, &(0x7f0000000400)={&(0x7f0000000040)={0x10}, 0xc, &(0x7f00000001c0)={&(0x7f0000000080)=@updpolicy={0xb8, 0x14, 0x407, 0x0, 0x0, {{@in=@loopback=0x7f000001, @in6=@ipv4={[0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x2000000], [0xff, 0xff], @dev={0xac, 0x14, 0x14}}, 0x0, 0x0, 0x0, 0x0, 0x2}}}, 0xb8}, 0x1}, 0x0) 03:39:59 executing program 0: perf_event_open(&(0x7f0000000180)={0x2, 0x70, 0x3e5}, 0x0, 0x0, 0xffffffffffffffff, 0x0) r0 = socket$inet_udp(0x2, 0x2, 0x0) open$dir(&(0x7f0000000040)='./file0\x00', 0x80000000048000, 0x4) sendto$inet(r0, &(0x7f0000000000), 0x0, 0x400c000, &(0x7f000083b000)={0x2, 0x4e20}, 0x10) r1 = syz_open_procfs(0x0, &(0x7f0000000080)='net/udp\x00') sendfile(r0, r1, &(0x7f0000000000), 0xff) 03:39:59 executing program 7: sendmsg$IPVS_CMD_FLUSH(0xffffffffffffffff, &(0x7f0000000340)={&(0x7f0000000100)={0x10}, 0xc, &(0x7f00000002c0)={&(0x7f00000001c0)=ANY=[@ANYBLOB='P\x00\x00\x00', @ANYBLOB="00000000000000000000110000002800030014000200697064647030000000000000000000000800040000000000080001000000000014000100080009000000000008005f50e2470000"], 0x2}, 0x1}, 0x0) r0 = socket$nl_generic(0x10, 0x3, 0x10) sendmsg$nl_generic(r0, &(0x7f00003cefe4)={&(0x7f0000000300)={0x10, 0x36200}, 0xc, &(0x7f0000007ff0)={&(0x7f0000000180)={0xffce, 0x2e, 0x6fd, 0x0, 0x0, {0x2004}, [@nested={0xc, 0x0, [@typed={0x62, 0x9, @ipv4}]}]}, 0xffce}, 0x1, 0x0, 0x0, 0x300000000000000}, 0x0) 03:39:59 executing program 3: r0 = socket$inet(0x2, 0x4000000000000001, 0x0) setsockopt$inet_tcp_TCP_CONGESTION(r0, 0x6, 0xd, &(0x7f0000000140)='nv\x00', 0x3) sendto$inet(r0, &(0x7f0000a88f88), 0xfffffffffffffe6e, 0x20000000, &(0x7f0000e68000)={0x2, 0x0, @local={0xac, 0x14, 0x14, 0xaa}, [0x0, 0x0, 0x3ca3]}, 0x10) shutdown(r0, 0x0) 03:39:59 executing program 2: r0 = socket$inet6(0xa, 0x1000000000002, 0x0) ioctl(r0, 0x8912, &(0x7f0000000280)="025cc83d6d345f8f762070") syz_mount_image$btrfs(&(0x7f0000000080)='btrfs\x00', &(0x7f0000000100)='./file0\x00', 0x0, 0x1, &(0x7f0000000200)=[{&(0x7f0000000500)="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", 0x116, 0x10000}], 0x0, &(0x7f0000000240)) 03:39:59 executing program 6: perf_event_open(&(0x7f0000000180)={0x2, 0x70, 0x3e5}, 0x0, 0x0, 0xffffffffffffffff, 0x0) ioctl$KVM_CREATE_VM(0xffffffffffffffff, 0xae01, 0x0) r0 = syz_open_dev$amidi(&(0x7f0000000040)='/dev/amidi#\x00', 0x100000001, 0x101000) getsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(0xffffffffffffff9c, 0x84, 0x9, &(0x7f00000000c0)={0x0, @in={{0x2, 0x4e21, @multicast2=0xe0000002}}, 0x2, 0x800, 0x6, 0x1, 0x40}, &(0x7f0000000200)=0x98) getsockopt$inet_sctp6_SCTP_STREAM_SCHEDULER(r0, 0x84, 0x7b, &(0x7f0000000240)={r1, 0x8000}, &(0x7f0000000280)=0x8) ioctl$UFFDIO_WAKE(r0, 0x8010aa02, &(0x7f00000002c0)={&(0x7f0000ffd000/0x3000)=nil, 0x3000}) ioctl$BLKROGET(r0, 0x125e, &(0x7f0000000340)) pipe2$9p(&(0x7f0000000300)={0xffffffffffffffff, 0xffffffffffffffff}, 0x0) write$P9_RLERRORu(r3, &(0x7f0000000080)=ANY=[@ANYBLOB='\x00\x00\x00\x00\x00\x00\x00\x00\x00'], 0x9) mkdir(&(0x7f0000000440)='./file0\x00', 0x0) mount$9p_fd(0x0, &(0x7f00000005c0)='./file0\x00', &(0x7f0000000600)='9p\x00', 0x0, &(0x7f0000000640)={'trans=fd,', {'rfdno', 0x3d, r2}, 0x2c, {'wfdno', 0x3d, r3}, 0x2c, {[{@version_9p2000='version=9p2000', 0x2c}]}}) 03:39:59 executing program 1: r0 = socket$inet6(0xa, 0x1000000000002, 0x0) ioctl(r0, 0x8912, &(0x7f0000000280)="025cc83d6d345f8f762070") syz_mount_image$btrfs(&(0x7f0000000080)='btrfs\x00', &(0x7f0000000100)='./file0\x00', 0x0, 0x1, &(0x7f0000000200)=[{&(0x7f0000000500)="8da4363a00000000e4ffffff0000004d01000000000000000000000000000000ecf6f2a2299748aeb81e1b00920efd9a000001000000000001000000000000005f42485266535f4dd2f873574f257e0a01e2a6a02f5e071383fa5a669a53f2fe9eb4eb7918628af41b", 0x69, 0x10000}], 0x0, &(0x7f0000000240)) 03:39:59 executing program 4: r0 = socket$nl_xfrm(0x10, 0x3, 0x6) sendmsg$nl_xfrm(r0, &(0x7f0000000400)={&(0x7f0000000040)={0x10}, 0xc, &(0x7f00000001c0)={&(0x7f0000000080)=@updpolicy={0xb8, 0x14, 0x407, 0x0, 0x0, {{@in=@loopback=0x7f000001, @in6=@ipv4={[0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xf0], [0xff, 0xff], @dev={0xac, 0x14, 0x14}}, 0x0, 0x0, 0x0, 0x0, 0x2}}}, 0xb8}, 0x1}, 0x0) 03:39:59 executing program 0: perf_event_open(&(0x7f0000000180)={0x2, 0x70, 0x3e5, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x9}, 0x0, 0x0, 0xffffffffffffffff, 0x0) r0 = socket$inet_udp(0x2, 0x2, 0x0) sendto$inet(r0, &(0x7f0000000000), 0x0, 0x400c000, &(0x7f000083b000)={0x2, 0x4e20}, 0x10) r1 = syz_open_procfs(0x0, &(0x7f0000000080)='net/udp\x00') sendfile(r0, r1, &(0x7f0000000000), 0xff) [ 1500.974318] BTRFS error (device loop2): unsupported checksum algorithm 3786 [ 1500.981552] BTRFS error (device loop2): superblock checksum mismatch [ 1501.010908] BTRFS error (device loop2): open_ctree failed 03:39:59 executing program 7: sendmsg$IPVS_CMD_FLUSH(0xffffffffffffffff, &(0x7f0000000340)={&(0x7f0000000100)={0x10}, 0xc, &(0x7f00000002c0)={&(0x7f00000001c0)=ANY=[@ANYBLOB='P\x00\x00\x00', @ANYBLOB="00000000000000000000110000002800030014000200697064647030000000000000000000000800040000000000080001000000000014000100080009000000000008005f50e2470000"], 0x2}, 0x1}, 0x0) r0 = socket$nl_generic(0x10, 0x3, 0x10) sendmsg$nl_generic(r0, &(0x7f00003cefe4)={&(0x7f0000000300)={0x10, 0x36200}, 0xc, &(0x7f0000007ff0)={&(0x7f0000000180)={0xffce, 0x2e, 0x6fd, 0x0, 0x0, {0x2004}, [@nested={0xc, 0x0, [@typed={0x62, 0x9, @ipv4}]}]}, 0xffce}, 0x1, 0x0, 0x0, 0x4000000}, 0x0) 03:39:59 executing program 6: perf_event_open(&(0x7f0000000180)={0x2, 0x70, 0x3e5}, 0x0, 0x0, 0xffffffffffffffff, 0x0) ioctl$KVM_CREATE_VM(0xffffffffffffffff, 0xae01, 0x0) pipe2$9p(&(0x7f0000000000)={0xffffffffffffffff, 0xffffffffffffffff}, 0x0) write$P9_RREADDIR(r1, &(0x7f0000000200)={0x71, 0x29, 0x1, {0x9, [{{0x4, 0x4, 0x2}, 0x5, 0x4, 0x7, './file0'}, {{0x2d, 0x3, 0x8}, 0x80000001, 0xffffffffffffff00, 0x10, './file0/../file0'}, {{0xc4, 0x2, 0x5}, 0xfff, 0xffff, 0x7, './file0'}]}}, 0x71) write$P9_RLERRORu(r1, &(0x7f0000000080)=ANY=[@ANYBLOB="1400000007ffff0700"], 0x9) mkdir(&(0x7f0000000440)='./file0\x00', 0x0) r2 = syz_open_dev$adsp(&(0x7f0000000040)='/dev/adsp#\x00', 0x80000001, 0x400) getsockopt$bt_BT_CHANNEL_POLICY(r2, 0x112, 0xa, &(0x7f00000000c0)=0xe77d, &(0x7f0000000100)=0x4) mount$9p_fd(0x0, &(0x7f00000005c0)='./file0\x00', &(0x7f0000000600)='9p\x00', 0x0, &(0x7f0000000280)={'trans=fd,', {'rfdno', 0x3d, r0}, 0x2c, {'wfdno', 0x3d, r1}, 0x2c, {[{@version_9p2000='version=9p2000', 0x2c}]}}) 03:39:59 executing program 4: r0 = socket$nl_xfrm(0x10, 0x3, 0x6) sendmsg$nl_xfrm(r0, &(0x7f0000000400)={&(0x7f0000000040)={0x10}, 0xc, &(0x7f00000001c0)={&(0x7f0000000080)=@updpolicy={0xb8, 0x14, 0x407, 0x0, 0x0, {{@in=@loopback=0x7f000001, @in6=@ipv4={[0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x2337], [0xff, 0xff], @dev={0xac, 0x14, 0x14}}, 0x0, 0x0, 0x0, 0x0, 0x2}}}, 0xb8}, 0x1}, 0x0) 03:39:59 executing program 2: r0 = socket$inet6(0xa, 0x1000000000002, 0x0) ioctl(r0, 0x8912, &(0x7f0000000280)="025cc83d6d345f8f762070") syz_mount_image$btrfs(&(0x7f0000000080)='btrfs\x00', &(0x7f0000000100)='./file0\x00', 0x0, 0x1, &(0x7f0000000200)=[{&(0x7f0000000500)="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", 0x116, 0x10000}], 0x0, &(0x7f0000000240)) [ 1501.018622] BTRFS error (device loop2): unsupported checksum algorithm 3786 [ 1501.025846] BTRFS error (device loop2): superblock checksum mismatch 03:39:59 executing program 0: perf_event_open(&(0x7f0000000180)={0x2, 0x70, 0x3e5}, 0x0, 0x0, 0xffffffffffffffff, 0x0) r0 = socket$inet_udp(0x2, 0x2, 0x0) sendto$inet(r0, &(0x7f0000000000), 0x0, 0x400c000, &(0x7f000083b000)={0x2, 0x4e20}, 0x10) r1 = syz_open_procfs(0x0, &(0x7f0000000080)='net/udp\x00') sendfile(r0, r1, &(0x7f0000000000), 0xff) r2 = openat$dsp(0xffffffffffffff9c, &(0x7f0000000040)='/dev/dsp\x00', 0x440, 0x0) setsockopt$SO_TIMESTAMPING(r2, 0x1, 0x25, &(0x7f00000000c0)=0x400, 0x4) ioctl$TCSETA(r2, 0x5406, &(0x7f0000000100)={0x8, 0x55, 0xfffffffffffffffa, 0x9, 0x3, 0x9000000000000000, 0x0, 0x2, 0x37, 0x2}) 03:39:59 executing program 7: sendmsg$IPVS_CMD_FLUSH(0xffffffffffffffff, &(0x7f0000000340)={&(0x7f0000000100)={0x10}, 0xc, &(0x7f00000002c0)={&(0x7f00000001c0)=ANY=[@ANYBLOB='P\x00\x00\x00', @ANYBLOB="00000000000000000000110000002800030014000200697064647030000000000000000000000800040000000000080001000000000014000100080009000000000008005f50e2470000"], 0x2}, 0x1}, 0x0) r0 = socket$nl_generic(0x10, 0x3, 0x10) sendmsg$nl_generic(r0, &(0x7f00003cefe4)={&(0x7f0000000300)={0x10, 0x36200}, 0xc, &(0x7f0000007ff0)={&(0x7f0000000180)={0xffce, 0x2e, 0x6fd, 0x0, 0x0, {0x2004}, [@nested={0xc, 0x0, [@typed={0x62, 0x9, @ipv4}]}]}, 0xffce}, 0x1, 0x0, 0x0, 0x5000000}, 0x0) [ 1501.099248] BTRFS error (device loop2): open_ctree failed [ 1501.117093] print_req_error: I/O error, dev loop1, sector 128 [ 1501.125119] BTRFS error (device loop2): unsupported checksum algorithm 3786 [ 1501.132292] BTRFS error (device loop2): superblock checksum mismatch [ 1501.141763] BTRFS error (device loop2): open_ctree failed [ 1501.165632] print_req_error: I/O error, dev loop1, sector 128 [ 1501.177645] BTRFS error (device loop2): unsupported checksum algorithm 3786 [ 1501.184898] BTRFS error (device loop2): superblock checksum mismatch [ 1501.197044] BTRFS error (device loop2): open_ctree failed 03:39:59 executing program 5: r0 = syz_open_dev$sndseq(&(0x7f0000dcc000)='/dev/snd/seq\x00', 0x0, 0x0) read(r0, &(0x7f0000000280)=""/28, 0x58) ioctl$SNDRV_SEQ_IOCTL_CREATE_PORT(r0, 0xc0a85320, &(0x7f0000418f50)={{0x80}, "0a4ceaa05d9a00000000000000039b3fd4cec307e8ef3d13eb790ec9c65abaf90d229db692542e5b78f8b29e0a27800f0000000000000009fb42f376589701a4", 0xa9824f69d1376637, 0x10800a}) ioctl$SNDRV_SEQ_IOCTL_REMOVE_EVENTS(r0, 0x4040534e, &(0x7f000019ffe9)={0xc1}) ioctl$SNDRV_SEQ_IOCTL_SET_PORT_INFO(r0, 0x5421, &(0x7f0000000080)={{0x80}, 'port1\x00'}) ioctl$SNDRV_SEQ_IOCTL_SUBSCRIBE_PORT(r0, 0x40505330, &(0x7f0000000140)) openat$sequencer2(0xffffffffffffff9c, &(0x7f0000000040)='/dev/sequencer2\x00', 0x0, 0x0) 03:39:59 executing program 4: r0 = socket$nl_xfrm(0x10, 0x3, 0x6) sendmsg$nl_xfrm(r0, &(0x7f0000000400)={&(0x7f0000000040)={0x10}, 0xc, &(0x7f00000001c0)={&(0x7f0000000080)=@updpolicy={0xb8, 0x14, 0x407, 0x0, 0x0, {{@in=@loopback=0x7f000001, @in6=@ipv4={[0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x2000000000000000], [0xff, 0xff], @dev={0xac, 0x14, 0x14}}, 0x0, 0x0, 0x0, 0x0, 0x2}}}, 0xb8}, 0x1}, 0x0) 03:39:59 executing program 6: perf_event_open(&(0x7f0000000180)={0x2, 0x70, 0x3e5}, 0x0, 0x0, 0xffffffffffffffff, 0x0) ioctl$KVM_CREATE_VM(0xffffffffffffffff, 0xae01, 0x0) pipe2$9p(&(0x7f0000000000)={0xffffffffffffffff, 0xffffffffffffffff}, 0xfffffffffffffffc) write$P9_RLERRORu(r1, &(0x7f0000000080)=ANY=[@ANYBLOB="1400000007ffff0700"], 0x9) mkdir(&(0x7f0000000440)='./file0\x00', 0x0) mount$9p_fd(0x0, &(0x7f00000005c0)='./file0\x00', &(0x7f0000000600)='9p\x00', 0x0, &(0x7f0000000640)={'trans=fd,', {'rfdno', 0x3d, r0}, 0x2c, {'wfdno', 0x3d, r1}, 0x2c, {[{@version_9p2000='version=9p2000', 0x2c}]}}) 03:39:59 executing program 7: sendmsg$IPVS_CMD_FLUSH(0xffffffffffffffff, &(0x7f0000000340)={&(0x7f0000000100)={0x10}, 0xc, &(0x7f00000002c0)={&(0x7f00000001c0)=ANY=[@ANYBLOB='P\x00\x00\x00', @ANYBLOB="00000000000000000000110000002800030014000200697064647030000000000000000000000800040000000000080001000000000014000100080009000000000008005f50e2470000"], 0x2}, 0x1}, 0x0) r0 = socket$nl_generic(0x10, 0x3, 0x10) sendmsg$nl_generic(r0, &(0x7f00003cefe4)={&(0x7f0000000300)={0x10, 0x36200}, 0xc, &(0x7f0000007ff0)={&(0x7f0000000180)={0xffce, 0x2e, 0x6fd, 0x0, 0x0, {0x2004}, [@nested={0xc, 0x0, [@typed={0x62, 0x9, @ipv4}]}]}, 0xffce}, 0x1, 0x0, 0x0, 0xf0}, 0x0) [ 1501.631882] nla_parse: 44 callbacks suppressed [ 1501.631892] netlink: 104 bytes leftover after parsing attributes in process `syz-executor4'. [ 1501.638577] 9pnet: Insufficient options for proto=fd [ 1501.648210] netlink: 65362 bytes leftover after parsing attributes in process `syz-executor7'. [ 1501.659174] net_ratelimit: 54 callbacks suppressed [ 1501.659183] openvswitch: netlink: ufid size 94 bytes exceeds the range (1, 16) [ 1501.659602] 9pnet: Insufficient options for proto=fd [ 1501.664129] openvswitch: netlink: Flow set message rejected, Key attribute missing. [ 1501.672614] netlink: 65362 bytes leftover after parsing attributes in process `syz-executor7'. [ 1501.693198] openvswitch: netlink: ufid size 94 bytes exceeds the range (1, 16) [ 1501.700578] openvswitch: netlink: Flow set message rejected, Key attribute missing. 03:40:00 executing program 3: r0 = socket$inet(0x2, 0x4000000000000001, 0x0) setsockopt$inet_tcp_TCP_CONGESTION(r0, 0x6, 0xd, &(0x7f0000000140)='nv\x00', 0x3) sendto$inet(r0, &(0x7f0000a88f88), 0xfffffffffffffe6e, 0x20000000, &(0x7f0000e68000)={0x2, 0x0, @local={0xac, 0x14, 0x14, 0xaa}, [0x0, 0x0, 0x300]}, 0x10) shutdown(r0, 0x0) 03:40:00 executing program 0: r0 = perf_event_open(&(0x7f0000000180)={0x2, 0x70, 0x3e5}, 0x0, 0x0, 0xffffffffffffffff, 0x0) ioctl$PERF_EVENT_IOC_DISABLE(r0, 0x2401, 0x5) r1 = socket$inet_udp(0x2, 0x2, 0x0) sendto$inet(r1, &(0x7f0000000000), 0x0, 0x400c000, &(0x7f000083b000)={0x2, 0x4e20}, 0x10) ioctl$sock_SIOCINQ(r1, 0x541b, &(0x7f0000000040)) r2 = syz_open_procfs(0x0, &(0x7f0000000080)='net/udp\x00') sendfile(r1, r2, &(0x7f0000000000), 0xff) 03:40:00 executing program 1: r0 = socket$inet6(0xa, 0x1000000000002, 0x0) ioctl(r0, 0x8912, &(0x7f0000000280)="025cc83d6d345f8f762070") syz_mount_image$btrfs(&(0x7f0000000080)='btrfs\x00', &(0x7f0000000100)='./file0\x00', 0x0, 0x1, &(0x7f0000000200)=[{&(0x7f0000000500)="8da4363a00000000fcfdffff0000004d01000000000000000000000000000000ecf6f2a2299748aeb81e1b00920efd9a000001000000000001000000000000005f42485266535f4dd2f873574f257e0a01e2a6a02f5e071383fa5a669a53f2fe9eb4eb7918628af41b", 0x69, 0x10000}], 0x0, &(0x7f0000000240)) 03:40:00 executing program 2: r0 = socket$inet6(0xa, 0x1000000000002, 0x0) ioctl(r0, 0x8912, &(0x7f0000000280)="025cc83d6d345f8f762070") syz_mount_image$btrfs(&(0x7f0000000080)='btrfs\x00', &(0x7f0000000100)='./file0\x00', 0x0, 0x1, &(0x7f0000000200)=[{&(0x7f0000000500)="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", 0x116, 0x10000}], 0x0, &(0x7f0000000240)) 03:40:00 executing program 4: r0 = socket$nl_xfrm(0x10, 0x3, 0x6) sendmsg$nl_xfrm(r0, &(0x7f0000000400)={&(0x7f0000000040)={0x10}, 0xc, &(0x7f00000001c0)={&(0x7f0000000080)=@updpolicy={0xb8, 0x14, 0x407, 0x0, 0x0, {{@in=@loopback=0x7f000001, @in6=@ipv4={[0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xf000], [0xff, 0xff], @dev={0xac, 0x14, 0x14}}, 0x0, 0x0, 0x0, 0x0, 0x2}}}, 0xb8}, 0x1}, 0x0) 03:40:00 executing program 6: perf_event_open(&(0x7f0000000180)={0x2, 0x70, 0x3e5}, 0x0, 0x0, 0xffffffffffffffff, 0x0) r0 = ioctl$KVM_CREATE_VM(0xffffffffffffffff, 0xae01, 0x0) pipe2$9p(&(0x7f0000000000)={0xffffffffffffffff, 0xffffffffffffffff}, 0x0) write$P9_RLERRORu(r2, &(0x7f0000000100)=ANY=[@ANYBLOB="000000000000000000df6a7db625fac05380b9a18e726171e9d9fb17e050a805a1d64a6b49e6469c7836966dd7671c81a500a5543eea0077e129c5a4036193858b72bab7a6ccd561"], 0x9) ioctl$sock_inet_SIOCSIFNETMASK(r0, 0x891c, &(0x7f0000000040)={'veth0_to_team\x00', {0x2, 0x4e24, @dev={0xac, 0x14, 0x14, 0x14}}}) mkdir(&(0x7f0000000440)='./file0\x00', 0x0) mount$9p_fd(0x0, &(0x7f00000005c0)='./file0\x00', &(0x7f0000000600)='9p\x00', 0x0, &(0x7f0000000640)=ANY=[@ANYBLOB='trans=fd.rfdno=', @ANYRESHEX=r1, @ANYBLOB=',wfdno=', @ANYRESHEX=r2, @ANYBLOB=',version=9p2000,\x00']) 03:40:00 executing program 7: sendmsg$IPVS_CMD_FLUSH(0xffffffffffffffff, &(0x7f0000000340)={&(0x7f0000000100)={0x10}, 0xc, &(0x7f00000002c0)={&(0x7f00000001c0)=ANY=[@ANYBLOB='P\x00\x00\x00', @ANYBLOB="00000000000000000000110000002800030014000200697064647030000000000000000000000800040000000000080001000000000014000100080009000000000008005f50e2470000"], 0x2}, 0x1}, 0x0) r0 = socket$nl_generic(0x10, 0x3, 0x10) sendmsg$nl_generic(r0, &(0x7f00003cefe4)={&(0x7f0000000300)={0x10, 0x36200}, 0xc, &(0x7f0000007ff0)={&(0x7f0000000180)={0xffce, 0x2e, 0x6fd, 0x0, 0x0, {0x2004}, [@nested={0xc, 0x0, [@typed={0x62, 0x9, @ipv4}]}]}, 0xffce}, 0x1, 0x0, 0x0, 0x7}, 0x0) 03:40:00 executing program 4: r0 = socket$nl_xfrm(0x10, 0x3, 0x6) sendmsg$nl_xfrm(r0, &(0x7f0000000400)={&(0x7f0000000040)={0x10}, 0xc, &(0x7f00000001c0)={&(0x7f0000000080)=@updpolicy={0xb8, 0x14, 0x407, 0x0, 0x0, {{@in=@loopback=0x7f000001, @in6=@ipv4={[0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x2000], [0xff, 0xff], @dev={0xac, 0x14, 0x14}}, 0x0, 0x0, 0x0, 0x0, 0x2}}}, 0xb8}, 0x1}, 0x0) [ 1501.873820] netlink: 104 bytes leftover after parsing attributes in process `syz-executor4'. [ 1501.876398] netlink: 65362 bytes leftover after parsing attributes in process `syz-executor7'. [ 1501.891264] openvswitch: netlink: ufid size 94 bytes exceeds the range (1, 16) [ 1501.898661] openvswitch: netlink: Flow set message rejected, Key attribute missing. [ 1501.905685] 9pnet: Could not find request transport: fd.rfdno=0x0000000000000014 03:40:00 executing program 0: perf_event_open(&(0x7f0000000180)={0x2, 0x70, 0x3e5, 0x2, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xfffffffffffffffe, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={&(0x7f0000000280), 0x9}, 0x0, 0x100, 0x0, 0x0, 0x81}, 0x0, 0x0, 0xffffffffffffffff, 0x0) socketpair(0x1, 0x4, 0x1010001, &(0x7f0000000040)={0xffffffffffffffff, 0xffffffffffffffff}) r1 = socket$inet_udp(0x2, 0x2, 0x0) sendto$inet(r1, &(0x7f0000000000), 0x0, 0x400c000, &(0x7f000083b000)={0x2, 0x4e20}, 0x10) r2 = syz_open_procfs(0x0, &(0x7f0000000080)='net/udp\x00') ioctl$VHOST_VSOCK_SET_RUNNING(r2, 0x4004af61, &(0x7f0000000240)=0x1) fcntl$getown(r0, 0x9) ioctl$TIOCGPGRP(r2, 0x540f, &(0x7f0000000140)) getsockopt$IPT_SO_GET_REVISION_TARGET(r1, 0x0, 0x43, &(0x7f00000000c0)={'icmp\x00'}, &(0x7f0000000100)=0x1e) sendfile(r1, r2, &(0x7f0000000000), 0xff) [ 1501.920058] netlink: 65362 bytes leftover after parsing attributes in process `syz-executor7'. [ 1501.922872] 9pnet: Could not find request transport: fd.rfdno=0x0000000000000017 [ 1501.928888] openvswitch: netlink: ufid size 94 bytes exceeds the range (1, 16) [ 1501.943784] openvswitch: netlink: Flow set message rejected, Key attribute missing. [ 1501.952042] BTRFS error (device loop1): superblock checksum mismatch 03:40:00 executing program 7: sendmsg$IPVS_CMD_FLUSH(0xffffffffffffffff, &(0x7f0000000340)={&(0x7f0000000100)={0x10}, 0xc, &(0x7f00000002c0)={&(0x7f00000001c0)=ANY=[@ANYBLOB='P\x00\x00\x00', @ANYBLOB="00000000000000000000110000002800030014000200697064647030000000000000000000000800040000000000080001000000000014000100080009000000000008005f50e2470000"], 0x2}, 0x1}, 0x0) r0 = socket$nl_generic(0x10, 0x3, 0x10) sendmsg$nl_generic(r0, &(0x7f00003cefe4)={&(0x7f0000000300)={0x10, 0x36200}, 0xc, &(0x7f0000007ff0)={&(0x7f0000000180)={0xffce, 0x2e, 0x6fd, 0x0, 0x0, {0x2004}, [@nested={0xc, 0x0, [@typed={0x62, 0x9, @ipv4}]}]}, 0xffce}, 0x1, 0x0, 0x0, 0x40030000000000}, 0x0) 03:40:00 executing program 6: perf_event_open(&(0x7f0000000180)={0x2, 0x70, 0x3e5}, 0x0, 0x0, 0xffffffffffffffff, 0x0) ioctl$KVM_CREATE_VM(0xffffffffffffffff, 0xae01, 0x0) pipe2$9p(&(0x7f0000000000)={0xffffffffffffffff, 0xffffffffffffffff}, 0x0) r2 = creat(&(0x7f0000000040)='./file0\x00', 0xe3) setsockopt$l2tp_PPPOL2TP_SO_RECVSEQ(r2, 0x111, 0x2, 0x1, 0x4) write$P9_RLERRORu(r1, &(0x7f0000000080)=ANY=[], 0x0) mkdir(&(0x7f0000000440)='./file0\x00', 0x2) mount$9p_fd(0x0, &(0x7f00000005c0)='./file0\x00', &(0x7f0000000600)='9p\x00', 0x0, &(0x7f0000000640)=ANY=[@ANYBLOB="7472a3bd957590c1", @ANYRESHEX=r0, @ANYBLOB=',wfdno=', @ANYRESHEX=r1, @ANYBLOB=',version=9p2000,\x00']) [ 1501.968848] netlink: 104 bytes leftover after parsing attributes in process `syz-executor4'. [ 1501.975857] BTRFS error (device loop1): open_ctree failed [ 1501.985877] BTRFS error (device loop1): superblock checksum mismatch [ 1502.011931] BTRFS error (device loop1): open_ctree failed 03:40:00 executing program 4: r0 = socket$nl_xfrm(0x10, 0x3, 0x6) sendmsg$nl_xfrm(r0, &(0x7f0000000400)={&(0x7f0000000040)={0x10}, 0xc, &(0x7f00000001c0)={&(0x7f0000000080)=@updpolicy={0xb8, 0x14, 0x407, 0x0, 0x0, {{@in=@loopback=0x7f000001, @in6=@ipv4={[0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xf0ffffffffffff], [0xff, 0xff], @dev={0xac, 0x14, 0x14}}, 0x0, 0x0, 0x0, 0x0, 0x2}}}, 0xb8}, 0x1}, 0x0) [ 1502.020616] netlink: 65362 bytes leftover after parsing attributes in process `syz-executor7'. [ 1502.029436] openvswitch: netlink: ufid size 94 bytes exceeds the range (1, 16) [ 1502.036829] openvswitch: netlink: Flow set message rejected, Key attribute missing. [ 1502.048339] 9pnet_virtio: no channels available for device (null) [ 1502.059097] BTRFS error (device loop1): superblock checksum mismatch [ 1502.067668] netlink: 104 bytes leftover after parsing attributes in process `syz-executor4'. [ 1502.078139] netlink: 65362 bytes leftover after parsing attributes in process `syz-executor7'. [ 1502.079048] 9pnet_virtio: no channels available for device (null) [ 1502.099778] BTRFS error (device loop1): open_ctree failed 03:40:00 executing program 5: r0 = syz_open_dev$sndseq(&(0x7f0000dcc000)='/dev/snd/seq\x00', 0x0, 0x0) read(r0, &(0x7f0000000280)=""/28, 0x58) ioctl$SNDRV_SEQ_IOCTL_CREATE_PORT(r0, 0xc0a85320, &(0x7f0000418f50)={{0x80}, "0a4ceaa05d9a00000000000000039b3fd4cec307e8ef3d13eb790ec9c65abaf90d229db692542e5b78f8b29e0a27800f0000000000000009fb42f376589701a4", 0xa9824f69d1376637, 0x10800a}) ioctl$SNDRV_SEQ_IOCTL_REMOVE_EVENTS(r0, 0x4040534e, &(0x7f000019ffe9)={0xc1}) ioctl$SNDRV_SEQ_IOCTL_SET_PORT_INFO(r0, 0x2, &(0x7f0000000080)={{0x80}, 'port1\x00'}) ioctl$SNDRV_SEQ_IOCTL_SUBSCRIBE_PORT(r0, 0x40505330, &(0x7f0000000140)) openat$sequencer2(0xffffffffffffff9c, &(0x7f0000000040)='/dev/sequencer2\x00', 0x0, 0x0) 03:40:00 executing program 2: r0 = socket$inet6(0xa, 0x1000000000002, 0x0) ioctl(r0, 0x8912, &(0x7f0000000280)="025cc83d6d345f8f762070") syz_mount_image$btrfs(&(0x7f0000000080)='btrfs\x00', &(0x7f0000000100)='./file0\x00', 0x0, 0x1, &(0x7f0000000200)=[{&(0x7f0000000500)="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", 0x116, 0x10000}], 0x0, &(0x7f0000000240)) 03:40:00 executing program 0: perf_event_open(&(0x7f0000000180)={0x2, 0x70, 0x3e5}, 0x0, 0x0, 0xffffffffffffffff, 0x0) r0 = socket$inet_udp(0x2, 0x2, 0x0) r1 = openat$vga_arbiter(0xffffffffffffff9c, &(0x7f0000000040)='/dev/vga_arbiter\x00', 0x0, 0x0) ioctl$KVM_SET_VCPU_EVENTS(r1, 0x4040aea0, &(0x7f00000000c0)={0x9794, 0x715, 0x1000, 0x0, 0x5, 0x101, 0x200, 0x5, 0x6, 0x0, 0xfff, 0x6, 0x0, 0x5, 0x3, 0x2, 0x4, 0x8000, 0xfffffffffffffe00}) sendto$inet(r0, &(0x7f0000000000), 0x0, 0x400c000, &(0x7f000083b000)={0x2, 0x4e20}, 0x10) r2 = syz_open_procfs(0x0, &(0x7f0000000080)='net/udp\x00') sendfile(r0, r2, &(0x7f0000000000), 0xff) 03:40:00 executing program 6: perf_event_open(&(0x7f0000000180)={0x2, 0x70, 0x3e5}, 0x0, 0x0, 0xffffffffffffffff, 0x0) ioctl$KVM_CREATE_VM(0xffffffffffffffff, 0xae01, 0x0) pipe2$9p(&(0x7f0000000000)={0xffffffffffffffff, 0xffffffffffffffff}, 0x0) write$P9_RLERRORu(r1, &(0x7f0000000080)=ANY=[@ANYBLOB="1400000007ffff0700"], 0x9) mkdir(&(0x7f0000000440)='./file0\x00', 0x0) mount$9p_fd(0x0, &(0x7f00000005c0)='./file0\x00', &(0x7f0000000600)='9p\x00', 0x0, &(0x7f00000000c0)=ANY=[@ANYBLOB='trans=fd,rfdno=', @ANYRESHEX=r0, @ANYBLOB=',wfdno=', @ANYRESHEX=r1, @ANYBLOB="2c760500737ff85c9439703230303006a0cb680f3026a92c00"]) 03:40:00 executing program 3: r0 = socket$inet(0x2, 0x4000000000000001, 0x0) setsockopt$inet_tcp_TCP_CONGESTION(r0, 0x6, 0xd, &(0x7f0000000140)='nv\x00', 0x3) sendto$inet(r0, &(0x7f0000a88f88), 0xfffffffffffffe6e, 0x20000000, &(0x7f0000e68000)={0x2, 0x0, @local={0xac, 0x14, 0x14, 0xaa}, [0x0, 0x0, 0x20000000]}, 0x10) shutdown(r0, 0x0) 03:40:00 executing program 4: r0 = socket$nl_xfrm(0x10, 0x3, 0x6) sendmsg$nl_xfrm(r0, &(0x7f0000000400)={&(0x7f0000000040)={0x10}, 0xc, &(0x7f00000001c0)={&(0x7f0000000080)=@updpolicy={0xb8, 0x14, 0x407, 0x0, 0x0, {{@in=@loopback=0x7f000001, @in6=@ipv4={[0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x40030000000000], [0xff, 0xff], @dev={0xac, 0x14, 0x14}}, 0x0, 0x0, 0x0, 0x0, 0x2}}}, 0xb8}, 0x1}, 0x0) 03:40:00 executing program 7: sendmsg$IPVS_CMD_FLUSH(0xffffffffffffffff, &(0x7f0000000340)={&(0x7f0000000100)={0x10}, 0xc, &(0x7f00000002c0)={&(0x7f00000001c0)=ANY=[@ANYBLOB='P\x00\x00\x00', @ANYBLOB="00000000000000000000110000002800030014000200697064647030000000000000000000000800040000000000080001000000000014000100080009000000000008005f50e2470000"], 0x2}, 0x1}, 0x0) r0 = socket$nl_generic(0x10, 0x3, 0x10) sendmsg$nl_generic(r0, &(0x7f00003cefe4)={&(0x7f0000000300)={0x10, 0x36200}, 0xc, &(0x7f0000007ff0)={&(0x7f0000000180)={0xffce, 0x2e, 0x6fd, 0x0, 0x0, {0x2004}, [@nested={0xc, 0x0, [@typed={0x62, 0x9, @ipv4}]}]}, 0xffce}, 0x1, 0x0, 0x0, 0x6000000}, 0x0) 03:40:00 executing program 1: r0 = socket$inet6(0xa, 0x1000000000002, 0x0) ioctl(r0, 0x8912, &(0x7f0000000280)="025cc83d6d345f8f762070") syz_mount_image$btrfs(&(0x7f0000000080)='btrfs\x00', &(0x7f0000000100)='./file0\x00', 0x0, 0x1, &(0x7f0000000200)=[{&(0x7f0000000500)="8da4363a00000000000000050000004d01000000000000000000000000000000ecf6f2a2299748aeb81e1b00920efd9a000001000000000001000000000000005f42485266535f4dd2f873574f257e0a01e2a6a02f5e071383fa5a669a53f2fe9eb4eb7918628af41b", 0x69, 0x10000}], 0x0, &(0x7f0000000240)) 03:40:00 executing program 6: perf_event_open(&(0x7f0000000180)={0x2, 0x70, 0x3e5}, 0x0, 0x0, 0xffffffffffffffff, 0x0) ioctl$KVM_CREATE_VM(0xffffffffffffffff, 0xae01, 0x0) r0 = openat$vcs(0xffffffffffffff9c, &(0x7f00000003c0)='/dev/vcs\x00', 0x288000, 0x0) ioctl$RTC_VL_READ(r0, 0x80047013, &(0x7f0000000400)) pipe2$9p(&(0x7f0000000000)={0xffffffffffffffff, 0xffffffffffffffff}, 0x0) fstat(r2, &(0x7f0000000080)={0x0, 0x0, 0x0, 0x0, 0x0}) getgroups(0x5, &(0x7f0000000100)=[0xffffffffffffffff, 0xffffffffffffffff, 0xee00, 0xee00, 0x0]) lchown(&(0x7f0000000040)='./file0\x00', r3, r4) write$P9_RLERRORu(r2, &(0x7f0000000200)=ANY=[@ANYBLOB="1400000007ffff07007ba3607260c4fe9b04ba2edfb2a2e1f35c402603a11f9d9bb25d89ef8bb442e72fad062485c434815ad4574b2385ca71988b5997dec26a66f26d838cf846cdad3f5fa6b00e533c065d7e3576f00f2824932fc287492f8d105f90fc305e18d0f3e9910ea74e0625ee5a5278d7360f1fae"], 0x9) mkdir(&(0x7f0000000440)='./file0\x00', 0x0) mount$9p_fd(0x0, &(0x7f00000005c0)='./file0\x00', &(0x7f0000000600)='9p\x00', 0x0, &(0x7f0000000280)=ANY=[@ANYBLOB="0100616e733d66642c7266646e6f3dc401e1a01521339603c96991b6fbdab4f60fbd6a23cdf70e693f5b7cf981e62283fa5bd01d8805b1ee4180210a47f6d40c37fda4c03e52e33f35db07ad233d2942278f673b2e95cb4adbab4a4fc437b5baa4e8a33d938c7376f536644f261036f850730f14e8eae9af73c3ad64fbd23c4b6c88650f2298894208e229e6ef76b1eb45a7693bbab0c44b83956231755830e44cb814c69c71a13be92f42ad5410edb2f82ce2824c54cfbf12136b9344cdf7412c144ab8963c", @ANYRESHEX=r1, @ANYBLOB=',wfdno=', @ANYRESHEX=r2, @ANYBLOB=',version=9p2000,\x00']) r5 = socket$inet6_dccp(0xa, 0x6, 0x0) connect$inet6(r5, &(0x7f0000000140)={0xa, 0x4e21, 0x8, @remote={0xfe, 0x80, [], 0xbb}, 0x6}, 0x1c) 03:40:00 executing program 0: perf_event_open(&(0x7f0000000180)={0x2, 0x70, 0x3e5}, 0x0, 0x0, 0xffffffffffffffff, 0x0) seccomp(0x1, 0x1, &(0x7f0000000200)={0x6, &(0x7f0000000140)=[{0x11a, 0x50871f5f, 0x1, 0x194}, {0x0, 0xff, 0x1, 0x44}, {0x3, 0x6, 0xffff, 0xef78}, {0x2, 0x5bfd, 0x0, 0xfffffffffffffffb}, {0x1f, 0x1, 0x7, 0x101}, {0xffe, 0x3, 0x4, 0x4}]}) r0 = openat$audio(0xffffffffffffff9c, &(0x7f0000000240)='/dev/audio\x00', 0x200, 0x0) ioctl$UFFDIO_UNREGISTER(r0, 0x8010aa01, &(0x7f0000000280)={&(0x7f0000fff000/0x1000)=nil, 0x1000}) r1 = syz_open_dev$midi(&(0x7f0000000040)='/dev/midi#\x00', 0xb6b1, 0x208082) getsockopt$bt_BT_POWER(r1, 0x112, 0x9, &(0x7f00000000c0)=0xb8, &(0x7f0000000100)=0x1) r2 = socket$inet_udp(0x2, 0x2, 0x0) sendto$inet(r2, &(0x7f0000000000), 0x0, 0x400c000, &(0x7f000083b000)={0x2, 0x4e20}, 0x10) r3 = syz_open_procfs(0x0, &(0x7f0000000080)='net/udp\x00') sendfile(r2, r3, &(0x7f0000000000), 0xff) [ 1502.685273] BTRFS error (device loop2): unsupported checksum algorithm 3786 [ 1502.692457] BTRFS error (device loop2): superblock checksum mismatch [ 1502.710565] BTRFS error (device loop2): open_ctree failed 03:40:01 executing program 7: sendmsg$IPVS_CMD_FLUSH(0xffffffffffffffff, &(0x7f0000000340)={&(0x7f0000000100)={0x10}, 0xc, &(0x7f00000002c0)={&(0x7f00000001c0)=ANY=[@ANYBLOB='P\x00\x00\x00', @ANYBLOB="00000000000000000000110000002800030014000200697064647030000000000000000000000800040000000000080001000000000014000100080009000000000008005f50e2470000"], 0x2}, 0x1}, 0x0) r0 = socket$nl_generic(0x10, 0x3, 0x10) sendmsg$nl_generic(r0, &(0x7f00003cefe4)={&(0x7f0000000300)={0x10, 0x36200}, 0xc, &(0x7f0000007ff0)={&(0x7f0000000180)={0xffce, 0x2e, 0x6fd, 0x0, 0x0, {0x2004}, [@nested={0xc, 0x0, [@typed={0x62, 0x9, @ipv4}]}]}, 0xffce}, 0x1, 0x0, 0x0, 0xffffff9e}, 0x0) 03:40:01 executing program 4: r0 = socket$nl_xfrm(0x10, 0x3, 0x6) sendmsg$nl_xfrm(r0, &(0x7f0000000400)={&(0x7f0000000040)={0x10}, 0xc, &(0x7f00000001c0)={&(0x7f0000000080)=@updpolicy={0xb8, 0x14, 0x407, 0x0, 0x0, {{@in=@loopback=0x7f000001, @in6=@ipv4={[0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x400300], [0xff, 0xff], @dev={0xac, 0x14, 0x14}}, 0x0, 0x0, 0x0, 0x0, 0x2}}}, 0xb8}, 0x1}, 0x0) [ 1502.763536] BTRFS error (device loop2): unsupported checksum algorithm 3786 [ 1502.770764] BTRFS error (device loop2): superblock checksum mismatch [ 1502.782926] 9pnet_virtio: no channels available for device (null) [ 1502.804114] BTRFS error (device loop2): open_ctree failed 03:40:01 executing program 0: perf_event_open(&(0x7f0000000180)={0x2, 0x70, 0x3e5}, 0x0, 0x0, 0xffffffffffffffff, 0x0) r0 = socket$inet_udp(0x2, 0x2, 0x0) pause() r1 = open(&(0x7f0000000100)='./file0\x00', 0x0, 0x108) accept$alg(r1, 0x0, 0x0) sendto$inet(r0, &(0x7f0000000000), 0x0, 0x400c000, &(0x7f000083b000)={0x2, 0x4e20}, 0x10) ioctl$sock_inet_SIOCSIFBRDADDR(r0, 0x891a, &(0x7f0000000080)={'bcsh0\x00', {0x2, 0x4e22, @rand_addr=0x6}}) r2 = syz_open_procfs(0x0, &(0x7f0000000040)='net/udp\x00') set_robust_list(&(0x7f00000000c0)={0x0, 0x7fffffff}, 0x18) sendfile(r0, r2, &(0x7f0000000000), 0xff) 03:40:01 executing program 7: sendmsg$IPVS_CMD_FLUSH(0xffffffffffffffff, &(0x7f0000000340)={&(0x7f0000000100)={0x10}, 0xc, &(0x7f00000002c0)={&(0x7f00000001c0)=ANY=[@ANYBLOB='P\x00\x00\x00', @ANYBLOB="00000000000000000000110000002800030014000200697064647030000000000000000000000800040000000000080001000000000014000100080009000000000008005f50e2470000"], 0x2}, 0x1}, 0x0) r0 = socket$nl_generic(0x10, 0x3, 0x10) sendmsg$nl_generic(r0, &(0x7f00003cefe4)={&(0x7f0000000300)={0x10, 0x36200}, 0xc, &(0x7f0000007ff0)={&(0x7f0000000180)={0xffce, 0x2e, 0x6fd, 0x0, 0x0, {0x2004}, [@nested={0xc, 0x0, [@typed={0x62, 0x9, @ipv4}]}]}, 0xffce}, 0x1, 0x0, 0x0, 0x4}, 0x0) [ 1502.820429] BTRFS error (device loop2): unsupported checksum algorithm 3786 [ 1502.827708] BTRFS error (device loop2): superblock checksum mismatch 03:40:01 executing program 2: r0 = socket$inet6(0xa, 0x1000000000002, 0x0) ioctl(r0, 0x8912, &(0x7f0000000280)="025cc83d6d345f8f762070") syz_mount_image$btrfs(&(0x7f0000000080)='btrfs\x00', &(0x7f0000000100)='./file0\x00', 0x0, 0x1, &(0x7f0000000200)=[{&(0x7f0000000500)="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", 0x116, 0x10000}], 0x0, &(0x7f0000000240)) 03:40:01 executing program 4: r0 = socket$nl_xfrm(0x10, 0x3, 0x6) sendmsg$nl_xfrm(r0, &(0x7f0000000400)={&(0x7f0000000040)={0x10}, 0xc, &(0x7f00000001c0)={&(0x7f0000000080)=@updpolicy={0xb8, 0x14, 0x407, 0x0, 0x0, {{@in=@loopback=0x7f000001, @in6=@ipv4={[0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x3], [0xff, 0xff], @dev={0xac, 0x14, 0x14}}, 0x0, 0x0, 0x0, 0x0, 0x2}}}, 0xb8}, 0x1}, 0x0) [ 1502.907185] BTRFS error (device loop2): open_ctree failed [ 1502.923285] BTRFS error (device loop1): superblock checksum mismatch [ 1502.948637] BTRFS error (device loop1): open_ctree failed [ 1502.966460] BTRFS error (device loop2): unsupported checksum algorithm 3786 [ 1502.973661] BTRFS error (device loop2): superblock checksum mismatch [ 1502.980949] BTRFS error (device loop2): open_ctree failed [ 1503.583225] 9pnet_virtio: no channels available for device (null) 03:40:01 executing program 5: r0 = syz_open_dev$sndseq(&(0x7f0000dcc000)='/dev/snd/seq\x00', 0x0, 0x0) read(r0, &(0x7f0000000280)=""/28, 0x58) ioctl$SNDRV_SEQ_IOCTL_CREATE_PORT(r0, 0xc0a85320, &(0x7f0000418f50)={{0x80}, "0a4ceaa05d9a00000000000000039b3fd4cec307e8ef3d13eb790ec9c65abaf90d229db692542e5b78f8b29e0a27800f0000000000000009fb42f376589701a4", 0xa9824f69d1376637, 0x10800a}) ioctl$SNDRV_SEQ_IOCTL_REMOVE_EVENTS(r0, 0x4040534e, &(0x7f000019ffe9)={0xc1}) ioctl$SNDRV_SEQ_IOCTL_SET_PORT_INFO(r0, 0x40049409, &(0x7f0000000080)={{0x80}, 'port1\x00'}) ioctl$SNDRV_SEQ_IOCTL_SUBSCRIBE_PORT(r0, 0x40505330, &(0x7f0000000140)) openat$sequencer2(0xffffffffffffff9c, &(0x7f0000000040)='/dev/sequencer2\x00', 0x0, 0x0) 03:40:01 executing program 4: r0 = socket$nl_xfrm(0x10, 0x3, 0x6) sendmsg$nl_xfrm(r0, &(0x7f0000000400)={&(0x7f0000000040)={0x10}, 0xc, &(0x7f00000001c0)={&(0x7f0000000080)=@updpolicy={0xb8, 0x14, 0x407, 0x0, 0x0, {{@in=@loopback=0x7f000001, @in6=@ipv4={[0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x300000000000000], [0xff, 0xff], @dev={0xac, 0x14, 0x14}}, 0x0, 0x0, 0x0, 0x0, 0x2}}}, 0xb8}, 0x1}, 0x0) 03:40:01 executing program 1: r0 = socket$inet6(0xa, 0x1000000000002, 0x0) ioctl(r0, 0x8912, &(0x7f0000000280)="025cc83d6d345f8f762070") syz_mount_image$btrfs(&(0x7f0000000080)='btrfs\x00', &(0x7f0000000100)='./file0\x00', 0x0, 0x1, &(0x7f0000000200)=[{&(0x7f0000000500)="8da4363a00000000000004000000004d01000000000000000000000000000000ecf6f2a2299748aeb81e1b00920efd9a000001000000000001000000000000005f42485266535f4dd2f873574f257e0a01e2a6a02f5e071383fa5a669a53f2fe9eb4eb7918628af41b", 0x69, 0x10000}], 0x0, &(0x7f0000000240)) 03:40:01 executing program 7: sendmsg$IPVS_CMD_FLUSH(0xffffffffffffffff, &(0x7f0000000340)={&(0x7f0000000100)={0x10}, 0xc, &(0x7f00000002c0)={&(0x7f00000001c0)=ANY=[@ANYBLOB='P\x00\x00\x00', @ANYBLOB="00000000000000000000110000002800030014000200697064647030000000000000000000000800040000000000080001000000000014000100080009000000000008005f50e2470000"], 0x2}, 0x1}, 0x0) r0 = socket$nl_generic(0x10, 0x3, 0x10) sendmsg$nl_generic(r0, &(0x7f00003cefe4)={&(0x7f0000000300)={0x10, 0x36200}, 0xc, &(0x7f0000007ff0)={&(0x7f0000000180)={0xffce, 0x2e, 0x6fd, 0x0, 0x0, {0x2004}, [@nested={0xc, 0x0, [@typed={0x62, 0x9, @ipv4}]}]}, 0xffce}, 0x1, 0x0, 0x0, 0x200000000000000}, 0x0) 03:40:01 executing program 2: r0 = socket$inet6(0xa, 0x1000000000002, 0x0) ioctl(r0, 0x8912, &(0x7f0000000280)="025cc83d6d345f8f762070") syz_mount_image$btrfs(&(0x7f0000000080)='btrfs\x00', &(0x7f0000000100)='./file0\x00', 0x0, 0x1, &(0x7f0000000200)=[{&(0x7f0000000500)="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", 0x116, 0x10000}], 0x0, &(0x7f0000000240)) 03:40:01 executing program 3: r0 = socket$inet(0x2, 0x4000000000000001, 0x0) setsockopt$inet_tcp_TCP_CONGESTION(r0, 0x6, 0xd, &(0x7f0000000140)='nv\x00', 0x3) sendto$inet(r0, &(0x7f0000a88f88), 0xfffffffffffffe6e, 0x20000000, &(0x7f0000e68000)={0x2, 0x0, @local={0xac, 0x14, 0x14, 0xaa}, [0x0, 0x0, 0xfffffffe]}, 0x10) shutdown(r0, 0x0) 03:40:01 executing program 7: sendmsg$IPVS_CMD_FLUSH(0xffffffffffffffff, &(0x7f0000000340)={&(0x7f0000000100)={0x10}, 0xc, &(0x7f00000002c0)={&(0x7f00000001c0)=ANY=[@ANYBLOB='P\x00\x00\x00', @ANYBLOB="00000000000000000000110000002800030014000200697064647030000000000000000000000800040000000000080001000000000014000100080009000000000008005f50e2470000"], 0x2}, 0x1}, 0x0) r0 = socket$nl_generic(0x10, 0x3, 0x10) sendmsg$nl_generic(r0, &(0x7f00003cefe4)={&(0x7f0000000300)={0x10, 0x36200}, 0xc, &(0x7f0000007ff0)={&(0x7f0000000180)={0xffce, 0x2e, 0x6fd, 0x0, 0x0, {0x2004}, [@nested={0xc, 0x0, [@typed={0x62, 0x9, @ipv4}]}]}, 0xffce}, 0x1, 0x0, 0x0, 0x1000000000000000}, 0x0) 03:40:01 executing program 6: r0 = perf_event_open(&(0x7f0000000180)={0x2, 0x70, 0x3e5}, 0x0, 0x0, 0xffffffffffffffff, 0x0) ioctl$KVM_CREATE_VM(0xffffffffffffffff, 0xae01, 0x0) pipe2$9p(&(0x7f0000000000)={0xffffffffffffffff, 0xffffffffffffffff}, 0x0) write$P9_RLERRORu(r2, &(0x7f0000000100)=ANY=[@ANYBLOB="14425b3adb1bd38922dd8aa567c83fd763f4c3bf0a1b262fcd084a94ddf28bfbc6754268e6942a888326"], 0x3) mkdir(&(0x7f0000000440)='./file0\x00', 0x0) mount$9p_fd(0x0, &(0x7f00000005c0)='./file0\x00', &(0x7f0000000040)='9p\x00', 0x0, &(0x7f0000000640)={'trans=fd,', {'rfdno', 0x3d, r1}, 0x2c, {'wfdno', 0x3d, r2}, 0x2c, {[{@version_9p2000='version=9p2000', 0x2c}]}}) ioctl$SNDRV_SEQ_IOCTL_SYSTEM_INFO(r2, 0xc0305302, &(0x7f0000000080)={0x94, 0x269, 0xfffffffffffffdd4, 0x5, 0x2, 0x380e}) setsockopt$netlink_NETLINK_ADD_MEMBERSHIP(r0, 0x10e, 0x1, &(0x7f00000000c0)=0xe, 0x4) 03:40:01 executing program 4: r0 = socket$nl_xfrm(0x10, 0x3, 0x6) sendmsg$nl_xfrm(r0, &(0x7f0000000400)={&(0x7f0000000040)={0x10}, 0xc, &(0x7f00000001c0)={&(0x7f0000000080)=@updpolicy={0xb8, 0x14, 0x407, 0x0, 0x0, {{@in=@loopback=0x7f000001, @in6=@ipv4={[0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xfffff000], [0xff, 0xff], @dev={0xac, 0x14, 0x14}}, 0x0, 0x0, 0x0, 0x0, 0x2}}}, 0xb8}, 0x1}, 0x0) [ 1503.740026] print_req_error: I/O error, dev loop1, sector 128 [ 1503.748183] BTRFS error (device loop2): unsupported checksum algorithm 3786 [ 1503.755340] BTRFS error (device loop2): superblock checksum mismatch 03:40:02 executing program 7: sendmsg$IPVS_CMD_FLUSH(0xffffffffffffffff, &(0x7f0000000340)={&(0x7f0000000100)={0x10}, 0xc, &(0x7f00000002c0)={&(0x7f00000001c0)=ANY=[@ANYBLOB='P\x00\x00\x00', @ANYBLOB="00000000000000000000110000002800030014000200697064647030000000000000000000000800040000000000080001000000000014000100080009000000000008005f50e2470000"], 0x2}, 0x1}, 0x0) r0 = socket$nl_generic(0x10, 0x3, 0x10) sendmsg$nl_generic(r0, &(0x7f00003cefe4)={&(0x7f0000000300)={0x10, 0x36200}, 0xc, &(0x7f0000007ff0)={&(0x7f0000000180)={0xffce, 0x2e, 0x6fd, 0x0, 0x0, {0x2004}, [@nested={0xc, 0x0, [@typed={0x62, 0x9, @ipv4}]}]}, 0xffce}, 0x1, 0x0, 0x0, 0x500000000000000}, 0x0) 03:40:02 executing program 4: r0 = socket$nl_xfrm(0x10, 0x3, 0x6) sendmsg$nl_xfrm(r0, &(0x7f0000000400)={&(0x7f0000000040)={0x10}, 0xc, &(0x7f00000001c0)={&(0x7f0000000080)=@updpolicy={0xb8, 0x14, 0x407, 0x0, 0x0, {{@in=@loopback=0x7f000001, @in6=@ipv4={[0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x3000000], [0xff, 0xff], @dev={0xac, 0x14, 0x14}}, 0x0, 0x0, 0x0, 0x0, 0x2}}}, 0xb8}, 0x1}, 0x0) 03:40:02 executing program 6: perf_event_open(&(0x7f0000000180)={0x2, 0x70, 0x3e5}, 0x0, 0x0, 0xffffffffffffffff, 0x0) ioctl$KVM_CREATE_VM(0xffffffffffffffff, 0xae01, 0x0) pipe2$9p(&(0x7f0000000000)={0xffffffffffffffff, 0xffffffffffffffff}, 0x0) write$P9_RLERRORu(r1, &(0x7f0000000080)=ANY=[@ANYBLOB="1400000007ffff0700"], 0x9) mkdir(&(0x7f0000000440)='./file0\x00', 0x0) mount$9p_fd(0x0, &(0x7f00000005c0)='./file0\x00', &(0x7f0000000600)='9p\x00', 0x0, &(0x7f0000000640)=ANY=[@ANYBLOB='trans=fd,rfdno=', @ANYRESHEX=r0, @ANYBLOB="2caa2af6001c81", @ANYRESHEX=r1, @ANYBLOB=',version=9p2000,\x00']) [ 1503.792209] BTRFS error (device loop2): open_ctree failed [ 1503.816947] BTRFS error (device loop2): unsupported checksum algorithm 3786 [ 1503.824248] BTRFS error (device loop2): superblock checksum mismatch [ 1503.860393] BTRFS error (device loop2): open_ctree failed [ 1503.904235] 9pnet: Insufficient options for proto=fd 03:40:02 executing program 0: splice(0xffffffffffffffff, &(0x7f0000000040), 0xffffffffffffffff, &(0x7f00000000c0), 0x4, 0x1) r0 = socket$inet_udp(0x2, 0x2, 0x0) sendto$inet(r0, &(0x7f0000000000), 0x0, 0x400c004, &(0x7f000083b000)={0x2, 0x4e20}, 0x10) r1 = syz_open_procfs(0x0, &(0x7f0000000080)='net/udp\x00') sendfile(r0, r1, &(0x7f0000000000), 0x195) 03:40:02 executing program 2: r0 = socket$inet6(0xa, 0x1000000000002, 0x0) ioctl(r0, 0x8912, &(0x7f0000000280)="025cc83d6d345f8f762070") syz_mount_image$btrfs(&(0x7f0000000080)='btrfs\x00', &(0x7f0000000100)='./file0\x00', 0x0, 0x1, &(0x7f0000000200)=[{&(0x7f0000000500)="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", 0x116, 0x10000}], 0x0, &(0x7f0000000240)) 03:40:02 executing program 4: r0 = socket$nl_xfrm(0x10, 0x3, 0x6) sendmsg$nl_xfrm(r0, &(0x7f0000000400)={&(0x7f0000000040)={0x10}, 0xc, &(0x7f00000001c0)={&(0x7f0000000080)=@updpolicy={0xb8, 0x14, 0x407, 0x0, 0x0, {{@in=@loopback=0x7f000001, @in6=@ipv4={[0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xf000000], [0xff, 0xff], @dev={0xac, 0x14, 0x14}}, 0x0, 0x0, 0x0, 0x0, 0x2}}}, 0xb8}, 0x1}, 0x0) 03:40:02 executing program 7: sendmsg$IPVS_CMD_FLUSH(0xffffffffffffffff, &(0x7f0000000340)={&(0x7f0000000100)={0x10}, 0xc, &(0x7f00000002c0)={&(0x7f00000001c0)=ANY=[@ANYBLOB='P\x00\x00\x00', @ANYBLOB="00000000000000000000110000002800030014000200697064647030000000000000000000000800040000000000080001000000000014000100080009000000000008005f50e2470000"], 0x2}, 0x1}, 0x0) r0 = socket$nl_generic(0x10, 0x3, 0x10) sendmsg$nl_generic(r0, &(0x7f00003cefe4)={&(0x7f0000000300)={0x10, 0x36200}, 0xc, &(0x7f0000007ff0)={&(0x7f0000000180)={0xffce, 0x2e, 0x6fd, 0x0, 0x0, {0x2004}, [@nested={0xc, 0x0, [@typed={0x62, 0x9, @ipv4}]}]}, 0xffce}, 0x1, 0x0, 0x0, 0x4800000000000000}, 0x0) [ 1503.992672] BTRFS error (device loop2): unsupported checksum algorithm 3786 [ 1503.999874] BTRFS error (device loop2): superblock checksum mismatch [ 1504.016577] BTRFS error (device loop2): open_ctree failed [ 1504.045322] BTRFS error (device loop2): unsupported checksum algorithm 3786 [ 1504.052495] BTRFS error (device loop2): superblock checksum mismatch [ 1504.059456] BTRFS error (device loop2): open_ctree failed 03:40:02 executing program 5: r0 = syz_open_dev$sndseq(&(0x7f0000dcc000)='/dev/snd/seq\x00', 0x0, 0x0) read(r0, &(0x7f0000000280)=""/28, 0x58) ioctl$SNDRV_SEQ_IOCTL_CREATE_PORT(r0, 0xc0a85320, &(0x7f0000418f50)={{0x80}, "0a4ceaa05d9a00000000000000039b3fd4cec307e8ef3d13eb790ec9c65abaf90d229db692542e5b78f8b29e0a27800f0000000000000009fb42f376589701a4", 0xa9824f69d1376637, 0x10800a}) ioctl$SNDRV_SEQ_IOCTL_REMOVE_EVENTS(r0, 0x4040534e, &(0x7f000019ffe9)={0xc1}) ioctl$SNDRV_SEQ_IOCTL_SET_PORT_INFO(r0, 0xc0a85320, &(0x7f0000000080)={{0x80}, 'port1\x00'}) ioctl$SNDRV_SEQ_IOCTL_SUBSCRIBE_PORT(r0, 0x40505330, &(0x7f0000000140)) openat$sequencer2(0xffffffffffffff9c, &(0x7f0000000040)='/dev/sequencer2\x00', 0x0, 0x0) 03:40:02 executing program 1: r0 = socket$inet6(0xa, 0x1000000000002, 0x0) ioctl(r0, 0x8912, &(0x7f0000000280)="025cc83d6d345f8f762070") syz_mount_image$btrfs(&(0x7f0000000080)='btrfs\x00', &(0x7f0000000100)='./file0\x00', 0x0, 0x1, &(0x7f0000000200)=[{&(0x7f0000000500)="8da4363a00000000000003680000004d01000000000000000000000000000000ecf6f2a2299748aeb81e1b00920efd9a000001000000000001000000000000005f42485266535f4dd2f873574f257e0a01e2a6a02f5e071383fa5a669a53f2fe9eb4eb7918628af41b", 0x69, 0x10000}], 0x0, &(0x7f0000000240)) 03:40:02 executing program 6: perf_event_open(&(0x7f0000000180)={0x2, 0x70, 0x3e5}, 0x0, 0x0, 0xffffffffffffffff, 0x0) r0 = openat$full(0xffffffffffffff9c, &(0x7f0000000040)='/dev/full\x00', 0x400, 0x0) write$P9_RFSYNC(r0, &(0x7f00000000c0)={0x7, 0x33, 0x2}, 0x7) ioctl$KVM_CREATE_VM(0xffffffffffffffff, 0xae01, 0x0) pipe2$9p(&(0x7f0000000000)={0xffffffffffffffff, 0xffffffffffffffff}, 0x0) write$P9_RLERRORu(r2, &(0x7f0000000080)=ANY=[@ANYBLOB="1400000007ffff0700"], 0x9) mkdir(&(0x7f0000000440)='./file0\x00', 0x0) mount$9p_fd(0x0, &(0x7f00000005c0)='./file0\x00', &(0x7f0000000600)='9p\x00', 0x0, &(0x7f0000000640)={'trans=fd,', {'rfdno', 0x3d, r1}, 0x2c, {'wfdno', 0x3d, r2}, 0x2c, {[{@version_9p2000='version=9p2000', 0x2c}]}}) 03:40:02 executing program 7: sendmsg$IPVS_CMD_FLUSH(0xffffffffffffffff, &(0x7f0000000340)={&(0x7f0000000100)={0x10}, 0xc, &(0x7f00000002c0)={&(0x7f00000001c0)=ANY=[@ANYBLOB='P\x00\x00\x00', @ANYBLOB="00000000000000000000110000002800030014000200697064647030000000000000000000000800040000000000080001000000000014000100080009000000000008005f50e2470000"], 0x2}, 0x1}, 0x0) r0 = socket$nl_generic(0x10, 0x3, 0x10) sendmsg$nl_generic(r0, &(0x7f00003cefe4)={&(0x7f0000000300)={0x10, 0x36200}, 0xc, &(0x7f0000007ff0)={&(0x7f0000000180)={0xffce, 0x2e, 0x6fd, 0x0, 0x0, {0x2004}, [@nested={0xc, 0x0, [@typed={0x62, 0x9, @ipv4}]}]}, 0xffce}, 0x1, 0x0, 0x0, 0x600000000000000}, 0x0) 03:40:02 executing program 4: r0 = socket$nl_xfrm(0x10, 0x3, 0x6) sendmsg$nl_xfrm(r0, &(0x7f0000000400)={&(0x7f0000000040)={0x10}, 0xc, &(0x7f00000001c0)={&(0x7f0000000080)=@updpolicy={0xb8, 0x14, 0x407, 0x0, 0x0, {{@in=@loopback=0x7f000001, @in6=@ipv4={[0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xf00], [0xff, 0xff], @dev={0xac, 0x14, 0x14}}, 0x0, 0x0, 0x0, 0x0, 0x2}}}, 0xb8}, 0x1}, 0x0) 03:40:02 executing program 0: r0 = perf_event_open(&(0x7f0000000180)={0x2, 0x70, 0x3e5}, 0x0, 0x0, 0xffffffffffffffff, 0x0) r1 = socket$inet_udp(0x2, 0x2, 0x0) r2 = syz_open_dev$admmidi(&(0x7f0000000040)='/dev/admmidi#\x00', 0x200, 0x2) sendmsg$kcm(r0, &(0x7f0000001840)={0x0, 0x0, &(0x7f0000001380)=[{&(0x7f0000000240)="fc5a8a81b6deef194133dda14403857a24e2d15efd5ce3c29f9150d771a181d02478e344569957375afc094b0d16e983c2ab0db907bec9b39108e3c92ede1d05a441cdcd56555812c920152b87e7bb7ccf4e22a9a8366a8a3d72dc9366f6cd32ed210192cc49b3", 0x67}, {&(0x7f00000002c0)="2df8c6fd", 0x4}, {&(0x7f0000000300)="7d329d1a56c0615e3f0b221e419f38", 0xf}, {&(0x7f0000000340)="59d485343cdf2ad5689b586561db77cba64293affaaf86f687fc40cb93c1f8a2158e28881c606a98e6", 0x29}, {&(0x7f0000000380)="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0x1000}], 0x5, &(0x7f0000001400)=[{0x20, 0x10e, 0x8, "dda933a1c565f17916f6e9"}, {0x38, 0x117, 0x0, "f87d708813d307a97943c6384b3220ea1ea17652e986d56f2a0ba372d80b453e2c8f8d0f95385a"}, {0xc0, 0x1bd, 0x1000, "c212cb46307612ecc32dc2755f8cf871a3119b919f86123c748cfeef1f8cdf404e3ab8c641bc90b5a9a816766a0ce841d5c3cb2c45fec1371cbd30d66e839d9128ac4905130e993d69e2a6e479832c489ab69a7364642710512ccaad20e376777e0bcfb8478832bd32d48f9e23d8a74109d232d33992798074383d2f090862d1bdfbf4edd397f90e60ce83a333a16350b6aca82560352d99e73b8086429e26b72cb8316790c23795b537a9dbb6"}, {0xc0, 0x3a, 0x9, "0a9b0e0dafd4729cd6b70260ee2d9ee928525184d718e9355c37ab051899e27776f7940aa60f2b240c08a0160f2395ef065be8ef017ab23a4e41bd16ff97f58fc705d24e4d10e93e69993bc1bb69cbf514a6be080c06d6a864fc90d773be6a3b2e5c44325ce756881b3ebb2d7cb91d26d3179969aabb6b6d1094b43d8a252900d05f50a2161b16ce4ffb573d6f56b35fd131f56e8a257e6a828f1e8a0dbfde60cea9c38c27fe838b3f4651ce9bcb6e"}, {0xf0, 0x11d, 0x2, "60dd9db46092d76c7e3a6ff3c2c1cef8461b0b03d73b82e26958d4359d6d7ff8c79e14cdea512e854845447f16d573f46f7f7f18c3854bb410fbe785b0c1cc1002898ddbbd3fd7ac9bb124c9163714e7e531c6c47561b46b005c77a037609b544b7ad11334a2bde594bc53d2092b6b1b2b3d3fb32f65c6098bc7c832a7a25ea134338ee9907c922aeed096eabe0f67cb293fe5da28ffe2fbf947993e97c9a4186aef0a915a051fd4fff58ffcc4e6068b677f3ecf6227dab4ba6fba5d3194818265c7eb3e11f1b90fbc934241dc3b9f58af62316f3efdefdeb2ac"}, {0x80, 0x0, 0x7fffffff, "c4d96c556db3891744a1e9d13d36f04d92d78501868a7cfde357ec5f3b5280474adf67508a442b38bbf4b7a0a19a2e69093aede3e8465735978499258c19cc3af3f8b3b9d8db71c7c619c9fedbadae0b5433d569c2c971c7b18c0e67d4e3a62914b1166130df5efc2fcd9cc94912bf99"}, {0x30, 0x1, 0x4, "0947bb1ec34045e99af29b0964da72f55b8f421f12ca2194704188c75db722"}, {0x28, 0x115, 0x7, "a1468fce65efead35b9009c5f6c57e46b33c06a4ae1e53"}, {0x48, 0x10b, 0x1, "0d91d06ce36ff69a2a934609d833e4ac8af6ede82bec3370ec1f254af7b5c7f63180c4e593c666d2ab91a6fab6f199f9e0ba896fce9083"}, {0x28, 0x0, 0x5, "4b3cef9ceabd0a7674d9b8163f44e82fcc"}], 0x410}, 0x48000) getsockopt$inet_sctp_SCTP_PARTIAL_DELIVERY_POINT(0xffffffffffffffff, 0x84, 0x13, &(0x7f00000000c0)={0x0, 0x20}, &(0x7f0000000100)=0x8) getsockopt$inet_sctp6_SCTP_DEFAULT_PRINFO(r2, 0x84, 0x72, &(0x7f0000000140)={r3, 0x9, 0x30}, &(0x7f0000000200)=0xc) pause() sendto$inet(r1, &(0x7f0000000000), 0x0, 0x400c000, &(0x7f000083b000)={0x2, 0x4e20}, 0x10) r4 = syz_open_procfs(0x0, &(0x7f0000000080)='net/udp\x00') sendfile(r1, r4, &(0x7f0000000000), 0xff) 03:40:02 executing program 2: r0 = socket$inet6(0xa, 0x1000000000002, 0x0) ioctl(r0, 0x8912, &(0x7f0000000280)="025cc83d6d345f8f762070") syz_mount_image$btrfs(&(0x7f0000000080)='btrfs\x00', &(0x7f0000000100)='./file0\x00', 0x0, 0x1, &(0x7f0000000200)=[{&(0x7f0000000500)="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", 0x116, 0x10000}], 0x0, &(0x7f0000000240)) 03:40:02 executing program 3: r0 = socket$inet(0x2, 0x4000000000000001, 0x0) setsockopt$inet_tcp_TCP_CONGESTION(r0, 0x6, 0xd, &(0x7f0000000140)='nv\x00', 0x3) sendto$inet(r0, &(0x7f0000a88f88), 0xfffffffffffffe6e, 0x20000000, &(0x7f0000e68000)={0x2, 0x0, @local={0xac, 0x14, 0x14, 0xaa}, [0x0, 0x0, 0xffffff91]}, 0x10) shutdown(r0, 0x0) 03:40:03 executing program 4: r0 = socket$nl_xfrm(0x10, 0x3, 0x6) sendmsg$nl_xfrm(r0, &(0x7f0000000400)={&(0x7f0000000040)={0x10}, 0xc, &(0x7f00000001c0)={&(0x7f0000000080)=@updpolicy={0xb8, 0x14, 0x407, 0x0, 0x0, {{@in=@loopback=0x7f000001, @in6=@ipv4={[0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x100000000000000], [0xff, 0xff], @dev={0xac, 0x14, 0x14}}, 0x0, 0x0, 0x0, 0x0, 0x2}}}, 0xb8}, 0x1}, 0x0) 03:40:03 executing program 7: sendmsg$IPVS_CMD_FLUSH(0xffffffffffffffff, &(0x7f0000000340)={&(0x7f0000000100)={0x10}, 0xc, &(0x7f00000002c0)={&(0x7f00000001c0)=ANY=[@ANYBLOB='P\x00\x00\x00', @ANYBLOB="00000000000000000000110000002800030014000200697064647030000000000000000000000800040000000000080001000000000014000100080009000000000008005f50e2470000"], 0x2}, 0x1}, 0x0) r0 = socket$nl_generic(0x10, 0x3, 0x10) sendmsg$nl_generic(r0, &(0x7f00003cefe4)={&(0x7f0000000300)={0x10, 0x36200}, 0xc, &(0x7f0000007ff0)={&(0x7f0000000180)={0xffce, 0x2e, 0x6fd, 0x0, 0x0, {0x2004}, [@nested={0xc, 0x0, [@typed={0x62, 0x9, @ipv4}]}]}, 0xffce}, 0x1, 0x0, 0x0, 0xf0ffffff}, 0x0) [ 1504.784301] 9pnet: p9_errstr2errno: server reported unknown error  [ 1504.796736] BTRFS error (device loop2): unsupported checksum algorithm 3786 [ 1504.803930] BTRFS error (device loop2): superblock checksum mismatch [ 1504.814076] BTRFS error (device loop2): open_ctree failed 03:40:03 executing program 6: perf_event_open(&(0x7f0000000180)={0x2, 0x70, 0x3e5}, 0x0, 0x0, 0xffffffffffffffff, 0x0) ioctl$KVM_CREATE_VM(0xffffffffffffffff, 0xae01, 0x0) pipe2$9p(&(0x7f0000000000)={0xffffffffffffffff, 0xffffffffffffffff}, 0x0) write$P9_RLERRORu(r1, &(0x7f0000000080)=ANY=[@ANYBLOB="1400000007ffff0700"], 0x9) mkdir(&(0x7f0000000440)='./file0\x00', 0x0) mount$9p_fd(0x0, &(0x7f00000005c0)='./file0\x00', &(0x7f0000000600)='9p\x00', 0x0, &(0x7f0000000640)=ANY=[@ANYBLOB='trans=fd,rfdno=', @ANYRESHEX=r0, @ANYBLOB="2c7766646e30fc", @ANYRESHEX=r1, @ANYBLOB=',version=9p2000,\x00']) 03:40:03 executing program 4: r0 = socket$nl_xfrm(0x10, 0x3, 0x6) sendmsg$nl_xfrm(r0, &(0x7f0000000400)={&(0x7f0000000040)={0x10}, 0xc, &(0x7f00000001c0)={&(0x7f0000000080)=@updpolicy={0xb8, 0x14, 0x407, 0x0, 0x0, {{@in=@loopback=0x7f000001, @in6=@ipv4={[0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x34000], [0xff, 0xff], @dev={0xac, 0x14, 0x14}}, 0x0, 0x0, 0x0, 0x0, 0x2}}}, 0xb8}, 0x1}, 0x0) 03:40:03 executing program 2: r0 = socket$inet6(0xa, 0x1000000000002, 0x0) ioctl(r0, 0x8912, &(0x7f0000000280)="025cc83d6d345f8f762070") syz_mount_image$btrfs(&(0x7f0000000080)='btrfs\x00', &(0x7f0000000100)='./file0\x00', 0x0, 0x1, &(0x7f0000000200)=[{&(0x7f0000000500)="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", 0x116, 0x10000}], 0x0, &(0x7f0000000240)) 03:40:03 executing program 7: sendmsg$IPVS_CMD_FLUSH(0xffffffffffffffff, &(0x7f0000000340)={&(0x7f0000000100)={0x10}, 0xc, &(0x7f00000002c0)={&(0x7f00000001c0)=ANY=[@ANYBLOB='P\x00\x00\x00', @ANYBLOB="00000000000000000000110000002800030014000200697064647030000000000000000000000800040000000000080001000000000014000100080009000000000008005f50e2470000"], 0x2}, 0x1}, 0x0) r0 = socket$nl_generic(0x10, 0x3, 0x10) sendmsg$nl_generic(r0, &(0x7f00003cefe4)={&(0x7f0000000300)={0x10, 0x36200}, 0xc, &(0x7f0000007ff0)={&(0x7f0000000180)={0xffce, 0x2e, 0x6fd, 0x0, 0x0, {0x2004}, [@nested={0xc, 0x0, [@typed={0x62, 0x9, @ipv4}]}]}, 0xffce}, 0x1, 0x0, 0x0, 0x6000}, 0x0) [ 1504.840126] BTRFS error (device loop2): unsupported checksum algorithm 3786 [ 1504.847299] BTRFS error (device loop2): superblock checksum mismatch [ 1504.874738] BTRFS error (device loop2): open_ctree failed [ 1504.901990] 9pnet: Insufficient options for proto=fd 03:40:03 executing program 7: sendmsg$IPVS_CMD_FLUSH(0xffffffffffffffff, &(0x7f0000000340)={&(0x7f0000000100)={0x10}, 0xc, &(0x7f00000002c0)={&(0x7f00000001c0)=ANY=[@ANYBLOB='P\x00\x00\x00', @ANYBLOB="00000000000000000000110000002800030014000200697064647030000000000000000000000800040000000000080001000000000014000100080009000000000008005f50e2470000"], 0x2}, 0x1}, 0x0) r0 = socket$nl_generic(0x10, 0x3, 0x10) sendmsg$nl_generic(r0, &(0x7f00003cefe4)={&(0x7f0000000300)={0x10, 0x36200}, 0xc, &(0x7f0000007ff0)={&(0x7f0000000180)={0xffce, 0x2e, 0x6fd, 0x0, 0x0, {0x2004}, [@nested={0xc, 0x0, [@typed={0x62, 0x9, @ipv4}]}]}, 0xffce}, 0x1, 0x0, 0x0, 0x4c00}, 0x0) 03:40:03 executing program 1: r0 = socket$inet6(0xa, 0x1000000000002, 0x0) ioctl(r0, 0x8912, &(0x7f0000000280)="025cc83d6d345f8f762070") syz_mount_image$btrfs(&(0x7f0000000080)='btrfs\x00', &(0x7f0000000100)='./file0\x00', 0x0, 0x1, &(0x7f0000000200)=[{&(0x7f0000000500)="8da4363a00000000000003fe0000004d01000000000000000000000000000000ecf6f2a2299748aeb81e1b00920efd9a000001000000000001000000000000005f42485266535f4dd2f873574f257e0a01e2a6a02f5e071383fa5a669a53f2fe9eb4eb7918628af41b", 0x69, 0x10000}], 0x0, &(0x7f0000000240)) [ 1504.941592] BTRFS error (device loop2): unsupported checksum algorithm 3786 [ 1504.948744] BTRFS error (device loop2): superblock checksum mismatch [ 1504.964195] BTRFS error (device loop2): open_ctree failed [ 1504.991166] BTRFS error (device loop2): unsupported checksum algorithm 3786 [ 1504.998342] BTRFS error (device loop2): superblock checksum mismatch [ 1505.005095] BTRFS error (device loop2): open_ctree failed [ 1505.013088] BTRFS error (device loop2): unsupported checksum algorithm 3786 [ 1505.020232] BTRFS error (device loop2): superblock checksum mismatch [ 1505.037757] BTRFS error (device loop2): open_ctree failed 03:40:04 executing program 5: r0 = syz_open_dev$sndseq(&(0x7f0000dcc000)='/dev/snd/seq\x00', 0x0, 0x0) read(r0, &(0x7f0000000280)=""/28, 0x58) ioctl$SNDRV_SEQ_IOCTL_CREATE_PORT(r0, 0xc0a85320, &(0x7f0000418f50)={{0x80}, "0a4ceaa05d9a00000000000000039b3fd4cec307e8ef3d13eb790ec9c65abaf90d229db692542e5b78f8b29e0a27800f0000000000000009fb42f376589701a4", 0xa9824f69d1376637, 0x10800a}) ioctl$SNDRV_SEQ_IOCTL_REMOVE_EVENTS(r0, 0x4040534e, &(0x7f000019ffe9)={0xc1}) ioctl$SNDRV_SEQ_IOCTL_SET_PORT_INFO(r0, 0xc0bc5310, &(0x7f0000000080)={{0x80}, 'port1\x00'}) ioctl$SNDRV_SEQ_IOCTL_SUBSCRIBE_PORT(r0, 0x40505330, &(0x7f0000000140)) openat$sequencer2(0xffffffffffffff9c, &(0x7f0000000040)='/dev/sequencer2\x00', 0x0, 0x0) 03:40:04 executing program 4: r0 = socket$nl_xfrm(0x10, 0x3, 0x6) sendmsg$nl_xfrm(r0, &(0x7f0000000400)={&(0x7f0000000040)={0x10}, 0xc, &(0x7f00000001c0)={&(0x7f0000000080)=@updpolicy={0xb8, 0x14, 0x407, 0x0, 0x0, {{@in=@loopback=0x7f000001, @in6=@ipv4={[0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xf00000000000000], [0xff, 0xff], @dev={0xac, 0x14, 0x14}}, 0x0, 0x0, 0x0, 0x0, 0x2}}}, 0xb8}, 0x1}, 0x0) 03:40:04 executing program 6: perf_event_open(&(0x7f0000000180)={0x2, 0x70, 0x3e5}, 0x0, 0x0, 0xffffffffffffffff, 0x0) r0 = ioctl$KVM_CREATE_VM(0xffffffffffffffff, 0xae01, 0x0) pipe2$9p(&(0x7f0000000040)={0xffffffffffffffff, 0xffffffffffffffff}, 0x0) ioctl$KVM_IRQ_LINE(r0, 0x4008ae61, &(0x7f00000000c0)={0x6, 0x100000000}) write$P9_RLERRORu(r2, &(0x7f0000000080)=ANY=[@ANYBLOB="1400000007ffff0700"], 0x9) mkdir(&(0x7f0000000440)='./file0\x00', 0x0) mount$9p_fd(0x0, &(0x7f00000005c0)='./file0\x00', &(0x7f0000000600)='9p\x00', 0x0, &(0x7f0000000640)={'trans=fd,', {'rfdno', 0x3d, r1}, 0x2c, {'wfdno', 0x3d, r2}, 0x2c, {[{@version_9p2000='version=9p2000', 0x2c}]}}) 03:40:04 executing program 7: sendmsg$IPVS_CMD_FLUSH(0xffffffffffffffff, &(0x7f0000000340)={&(0x7f0000000100)={0x10}, 0xc, &(0x7f00000002c0)={&(0x7f00000001c0)=ANY=[@ANYBLOB='P\x00\x00\x00', @ANYBLOB="00000000000000000000110000002800030014000200697064647030000000000000000000000800040000000000080001000000000014000100080009000000000008005f50e2470000"], 0x2}, 0x1}, 0x0) r0 = socket$nl_generic(0x10, 0x3, 0x10) sendmsg$nl_generic(r0, &(0x7f00003cefe4)={&(0x7f0000000300)={0x10, 0x36200}, 0xc, &(0x7f0000007ff0)={&(0x7f0000000180)={0xffce, 0x2e, 0x6fd, 0x0, 0x0, {0x2004}, [@nested={0xc, 0x0, [@typed={0x62, 0x9, @ipv4}]}]}, 0xffce}, 0x1, 0x0, 0x0, 0x8}, 0x0) 03:40:04 executing program 2: r0 = socket$inet6(0xa, 0x1000000000002, 0x0) ioctl(r0, 0x8912, &(0x7f0000000280)="025cc83d6d345f8f762070") syz_mount_image$btrfs(&(0x7f0000000080)='btrfs\x00', &(0x7f0000000100)='./file0\x00', 0x0, 0x1, &(0x7f0000000200)=[{&(0x7f0000000500)="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", 0x116, 0x10000}], 0x0, &(0x7f0000000240)) 03:40:04 executing program 0: r0 = openat$sequencer(0xffffffffffffff9c, &(0x7f0000000100)='/dev/sequencer\x00', 0x101000, 0x0) getsockopt$bt_BT_POWER(r0, 0x112, 0x9, &(0x7f0000000140)=0x4, &(0x7f0000000200)=0x1) r1 = perf_event_open(&(0x7f0000000180)={0x2, 0x70, 0x3e5}, 0x0, 0x0, 0xffffffffffffffff, 0x0) r2 = socket$inet_udp(0x2, 0x2, 0x0) sendto$inet(r2, &(0x7f0000000000), 0x0, 0x400c000, &(0x7f000083b000)={0x2, 0x4e20}, 0x10) r3 = syz_open_dev$usbmon(&(0x7f0000000040)='/dev/usbmon#\x00', 0x2, 0x40) ioctl$BLKGETSIZE64(r3, 0x80081272, &(0x7f00000000c0)) write$binfmt_misc(r1, &(0x7f0000000240)={'syz0', "ed4e09b7197f27dad6debaf992761cceac294c18fb0a2e7967fe7252705c91a1bab14c8dd9185062c6219b7bc7cc034b6f3f0247f1ed222e56edfc1c501ab987cd46738d96b44794c0a436f298ccb142775316b1b6e45d1996a0b30455f34eed2a6dc55668f7c29d120264522aa20dee470d1bcf91ee750e181c0cd5a1911eb241bb35179f8b185d65fd271b8d00bd478d173b68c474dfc434e4476e2c24cf8b205a8da0ea657bded5801af8570c458388da8287af8fdfc8c3a799490703ccdb0229dbfe8c348394e60bdb8c28457ea328b6413a3c3b769b91ba731751ef701e65fdd4915e45a9e00d3ae0687c995ffe5c6bf14971db203d201b5cafd89cb8f08bc25aa2a2ce2264bfce880e2e54e1e15e694ced0f05de632c562505d9f9c6a713d762080cb2abd01495687c8d5e407ae712e6e412733ddc7c935b8f737b85dc26e106c960bbecfedb04f8505025837c503e0e2519a51b1b7766ce4ba4ae2de221d650467f53aea72b5539a318bc3e0d77f677e560b0b2e06152474eec1d3d1752227f102b20309520e23ea146e21ae510f8def4eeb4cca4d0d34a3fbcd3908bad7c020ec3547da4bafa628e22682a73393fad9d7d57b1b9cdc6f55106e9dcb167f7d01db143d5e8a1f68b45d4fef0b407ef5c4ceaac5ace8b9bd2d2bea8096437ef1c13e5cde2715283546df80b79e0ecf5816ee3fd354ed207aff1b4b988fbe91a7668be4b93367c64048b7cbe0fe407a34703beb6755ede251b19d361c23af0042305fde3ab5bc551ee05ba641c829e699750028b8f76717f232328df6639317e6473ba066315c867918bf1f653be1f84e2eb1a8744c939575cc631aaf971ca5af627a4417ff2f9326060c1c07dda0c6eee4b50adcd15a59ea8aa00aa5df9bfc48351fdb0137802fdcd0e1af068ac56556971fe4d4f87821dff8ebb0069e72c848574a935488c4907c5e20b6e1607dec42eb8f2216e14456dffb881715554e0ff9516943ff5c3bb311820f413d724be82c7620c2751ed05adcc2dd7f2b131703c06fcd80209bfcbb3b75fd27bf0977c7258e188c59116559af18091c797993a7a956cd45fdb0bceed0007fef93c11d66ca125f79d1356de16ae0c8f489a120de3a1d437424b5c69b9b1435f5104eaf1323f5f41747f3c15396940f52a82818073faf695ab6c9db052e8a0bc88ddc3a523c8d54edb43833125166a27aae7df807a2784b93cec0397c1668a1b128c58da1647052d83a4ab481f37395a886791b26e76fbfefc7de1ab0e1a35084024450ba6a896c43a8d8f0b5d8c418aa0cc8e8e5c1eca2cea4b2a8c7a6d4fb43f7cba263aa99e19c550c0f317526a91385038de2f0aad0ca0c899697f111775c07ecc4b58e4f5c646205716027f043d312b2a463e93f2833cbc71d0444f120ff1d8c22a4e31f4b0a4a6d99316f2733363079e137e801c35066a4b11b82814e9bc3ad1d8e71712c38518a9d1c43f06f1daaba409a7895269cd86b54c6a5c820b80fda1016a2f8b809210d6f83c8c70ec69b63cd90d45242c23e5d2bf6aa6614c6e0a6f7602e1def3cbf93fa460439d594583c6dd1b8b8721e211c0e835b19328378fef83c87de53b2f9bca29b3db39ecdd4d7d5dfe1b45e9d8de6afd3724f19d760a06fa49be79878d72ef61cf3143146f7a55c46f19639c275056f69de97e38de5eeb137048395270b48582e8419ff9adb046151c624edf99b749f25378142a0e125ca6cc7a5b5ad9b66e38122912c1d3b93d90cfaae1a6d9bf2254e41199f5a5de8280afaf9140d2c43f8fd0d20a1379d80446afc2da29f931f0e159f8fde14a6be6624137733da31aafb91071aa853e111bd06efeac52b949d4daeae4331ac8ff6a26d0099579babb8c6319973375bcb16ddd0767088e8951dc89af9b5febdd0032ae31eecee9be3a3a6cb1eb3828e30845e90b6eb53ecfd7c82ca4674296965659327f4183253438f0d7964140dbc34a9cd2249cb528868b0584dbf73a8bf1c73eaf9c5d5db96814f4a366781a1c20f78b79f53f5424f32b22424a6feecbf2321f788d45683edfab817b0d0711291fbddf663bf402763e744b47e8735db186068b5d5c228fd1844400692a8dd29c92a0c5cb1dc87857d8bb627d52473152e519c4e339656e1b3369cb80e0269b3ac1346cdf9e7adb7c8cfc51bafd1f874a8f34ff3fef4edc9f7ab9240733c38a36328249156dee4313063d842ecb27e66b040b5c74b463c4f372105fd65aee226445f245a8b9c38cd2352c8cd1b22ca7254d7edbbb0ffc18ac3463e4f27c22cfc2f37c13b12e4e24d4530a4bf395c6d4f463b4e02d011e313b5778a98c6caa581c423b5f00bcd1aa50abea855a33194cc0d8644b0702b01d47385d8341104be3a4412da14cf5c18a809e3ad45f49c7c488278f6e8d5bd333201e33cf8286e7c9334eb9103b0414664a50a094b72ca03048b80f41a7e321303211089dfe2322603aff03638979a10c67afee42388e1b2b48a7999a0e89965006c9c81d31ae965ca0cd3add34fd9d01966c8a6068695f5e7999ad48dc27d8cc4c30127f39fb9c1934fad5491ba13d2e7556c4ac778048ed99488f28168fc8491dca74769658dde9b924419c2b1e950a9eb2946444e8f4e4c843c773f5584b035e9674bb5ca3bd3f20fe51c48b7ee92611dd25443eeb7904192dd9df55e9a18bc8ee03c35b64404b13057e844f2bad70ea842b5393719fc4211bad61300a514a650b384d9ef2678e09724642536e0a3ea79915e733dd7037c1a474dbd33bc3aa48bad9a7864a81f0a8916c797afc111103f7e65f74eac87e6089a8eb8f7c87399b8341772af96d7cf39355e266449949b6be178d78f55ead51023eb200e7d65a747ca491a8b0a8384b4032128f4ddeba4331eb0a67a19c614ed3edb36a7a65dce142ee056e707a887e37781483d12a4e0ac07c5968ad594e9f3a8533a53e310eb2ba562dd60452e480390d5a45df081f21d82cf1c8de8a30ced3e925d6908cb13d087d15446a832ea6fcafa6126f33c8905be72eb87b2b07ce55fd91b4d95b88a0ca012d780175af379b77ee4c442cb5910672328f834aab501f61f339b2efa0e3fae402ad8294040a1461561bf3962480919709ffca998cdb884e01515087b7730a7e076355ac332a3db8260a215f98fe5305cc3d4c1f76535d72997a992e4c687ca173cc1f43e4c19be8a9a86126d7e585089bab43462e5558df5ce41661e0821342589ec4d902ef7fa48aa8c17156f9af5003db7075315fdbafc06e6381fed876016e904e6bd0b007e428b77fe1b02c81d6a5320fa0c3408d781ff7a4015c60135e7b7c8a0d934da29e0fac474a98bea1fc8fbbf12f9b8b19d31ce4db2f0ee9eaf55ea05f3b2bfe09b11d227492231dc868e67fa4c9fdc754448bceea3c80f8a2da212a55945f01a49e1932f107d1df647679adc0ef0ef8c6c48d7d158d4a80067c098a6c6c04d091bb8d11cebc8e53785f28eaa1665c47d28756ae67f7f5bbf54df4adbc09b98a2d4dda803a769895984fbcf2dc5ac661031d0d0facad2886021661307d98327bd1e1c1c4270a19d194cf34e56be464006efd18b3faac8be31dd3a78d12d150a09b9a32cbef55087997fa75350efb9ba6645b78c66c6bba11d257d64d5d601dc2cc5429bd7f7484f6bfd6755958cdcb5959f374a53eb87c336ef9009fa08b94569570de6390eeb81a77a1d671da385f968b559ef682a2bf146332a53f63297bdcbe2c636ac296723fd5f45dff3dc089ffebbc1b98885073650bcdd657fa2c47343f68c85df839464075fc42cf84a3349a87d744576300ba8b36924d7effa56f470621096c8535af22acf745e7159c3ad7b9b7921d9e7ffa96d08da4936ecf0c58f67899c6e22f8750a324066fd8c4d80e88be02b3dbc3176396c5c8bd678c9161d8f169523c623e2ef934a5e47b29e851ddc41a74b4c7ed14b5967db6796fee7961c4190c4a1e2d1d7b27d272269fadd8ef9dec8352a6c913f89e5ecbe24226d95e8a659925046a0d179f94226cd3b37a3465cec2ebccdd009732a2949c3d8e6742029cd6cb169d023c09a444e5cee1ec36f254f5c57170cb5cd03f9a4bdc28de3b16fe5f67d99b6f65660e15b49589568b7f9ac6ebc16ee9404384ab6a0d7191e314749b79387df53bb100e5f8bd6cd5ad5f606d5e54995a9ef078cddc17f0d63897838ba2fcbf5b88c54d3eae9b30891b2205e59b941e99180a97a423409a4488d7da06b0c19dc2feb70c485c6b97609d8247830262272a2bc44f5b0438c57cada1f1f3bbaca37cda107389ac76845825666f7fdf86e244aa03bf12517ffa7a0d6ad6e931421a6673de811e1dd6b7c000b87380033fd9236a6fd48f7ce02ada26c91d27f9ea3b6262b4913b25a8a329f66c9a12474e8b6c2478cf12bb9f4e855cf52af5cc049d72d0cc180e78013efc645bb6968257f9bbd6e397b716356f7c8768bd444bcdeb07c6d1064e96e6838d39b3dc6acb22ea6ec63bb46b75d25755aab53c1a3a6fb82ec0b59cdd793666ca8558b9b253f66cebee3c50a1718c1402458cc2f05b166f11fb756153053bae7c2cd78d052e6111228e2d04b1682977eeb57e8cc87b0ed3f38e750ad564ad3f8600a47062562326a990d50f0774a3a0d7c966df3fbd49a39d266e94d3fe38d24d53f1f854f47538d90e278e732e1cbd8b792fd2f5b48fa98e3cf0ebd4af8b57b4319f8875692cd8ebf41771efee292fad399a7e56af8b907c4771dead5354efb299287df9eb104ed2282a71f8c7b70a7c1b60bed674867c85a1ca5d4b3ca3f02c4a776adebdba1853084d82927e677aa0c17d6701b4b07474e2a956be56c40e5f1a73eb10eb14e0e3a6259ce890bcbfe1179e4d026e362f010d5b5e213e294c8cbb797827e718704f61634a391a079ea9cc212e84c8f0f8a8f59280357052794af49a828762cbe2cbe13b10ac302e19e9932b37f5dec9d076899c42b946f280036d5044788aeaf71437122175e2d53e239a753fe99bd318625a91bb07c4e1794e3629d33e9456a3428d9f3b70ebef0f0be5d67d9a51b4d1c09f5c663c0e5ea5d9ad7f146e89d229c299d4940e154acfe08c0ba5383607eed7a3015fcd5a868acd30811d80b8d7b5bc4197cde2e519d09d538a1c38a68e8d28e29bb41e6f4c0f30e28bdf9d5c56ca278861dcaecb361dfe9620609b20d8208b318a6c9f6835287a5834fd6b418ed3dfe3b738d29f819e3428389ae5fa277743973760c29133e6b54db2b09450faa3547add6e19c08daea982e56f442b858b411b7972c33a5903020483b8b1dcc2abce8c8c4a976bdfcf00b3b2decd554dd3a99de789a692b3bb539d70950317c83897b23d07b88b9e472bb8a96b7fe84218b8cad3f09bac49a0c47b542793df08be079eaa322d94d9e3bedaf91a2e5503689fb7eef241ac9a6c3ce372dcabfc62d65feea40dcf65854d5b573a47907c5dc6b738a4a9f9bb54d0d084fc6efb5b5db07facb208d470fb5d53330fc1dbca5c74db2ad56bcb1bb867248e4cdf11aede679b4f710ee23a2cd7895fb581932d06e5071773358c3a22eb4e9d1e95cac7f9c414a2a2795bc997e36114d78badf6d10b1b50c2648c268f34385da63185f649f99f6e0930277a9bb001160b88251acd7f441ed728abbdb1b9f820ecc42dff44d8948e9e0bf02ab4f9c5806c846d6150368e77e24ba05b7a3fe9749fc2c9e235317ace3ad019635294d3f2ea72043947ca46f2115e45e1d82a03a430d152985991791b140c0ba24af26de6aad8"}, 0x1004) syz_open_procfs(0x0, &(0x7f0000000080)='net/udp\x00') sendfile(r2, r1, &(0x7f0000000000)=0xffffffffffffffff, 0xff) 03:40:04 executing program 1: r0 = socket$inet6(0xa, 0x1000000000002, 0x0) ioctl(r0, 0x8912, &(0x7f0000000280)="025cc83d6d345f8f762070") syz_mount_image$btrfs(&(0x7f0000000080)='btrfs\x00', &(0x7f0000000100)='./file0\x00', 0x0, 0x1, &(0x7f0000000200)=[{&(0x7f0000000500)="8da4363a00000000f5ffffff0000004d01000000000000000000000000000000ecf6f2a2299748aeb81e1b00920efd9a000001000000000001000000000000005f42485266535f4dd2f873574f257e0a01e2a6a02f5e071383fa5a669a53f2fe9eb4eb7918628af41b", 0x69, 0x10000}], 0x0, &(0x7f0000000240)) 03:40:04 executing program 3: r0 = socket$inet(0x2, 0x4000000000000001, 0x0) setsockopt$inet_tcp_TCP_CONGESTION(r0, 0x6, 0xd, &(0x7f0000000140)='nv\x00', 0x3) sendto$inet(r0, &(0x7f0000a88f88), 0xfffffffffffffe6e, 0x20000000, &(0x7f0000e68000)={0x2, 0x0, @local={0xac, 0x14, 0x14, 0xaa}, [0x0, 0x0, 0x9]}, 0x10) shutdown(r0, 0x0) [ 1505.861715] BTRFS error (device loop2): unsupported checksum algorithm 3786 [ 1505.865935] 9pnet: p9_errstr2errno: server reported unknown error  [ 1505.868897] BTRFS error (device loop2): superblock checksum mismatch [ 1505.889610] BTRFS error (device loop2): open_ctree failed 03:40:04 executing program 4: r0 = socket$nl_xfrm(0x10, 0x3, 0x6) sendmsg$nl_xfrm(r0, &(0x7f0000000400)={&(0x7f0000000040)={0x10}, 0xc, &(0x7f00000001c0)={&(0x7f0000000080)=@updpolicy={0xb8, 0x14, 0x407, 0x0, 0x0, {{@in=@loopback=0x7f000001, @in6=@ipv4={[0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x37230000], [0xff, 0xff], @dev={0xac, 0x14, 0x14}}, 0x0, 0x0, 0x0, 0x0, 0x2}}}, 0xb8}, 0x1}, 0x0) 03:40:04 executing program 7: sendmsg$IPVS_CMD_FLUSH(0xffffffffffffffff, &(0x7f0000000340)={&(0x7f0000000100)={0x10}, 0xc, &(0x7f00000002c0)={&(0x7f00000001c0)=ANY=[@ANYBLOB='P\x00\x00\x00', @ANYBLOB="00000000000000000000110000002800030014000200697064647030000000000000000000000800040000000000080001000000000014000100080009000000000008005f50e2470000"], 0x2}, 0x1}, 0x0) r0 = socket$nl_generic(0x10, 0x3, 0x10) sendmsg$nl_generic(r0, &(0x7f00003cefe4)={&(0x7f0000000300)={0x10, 0x36200}, 0xc, &(0x7f0000007ff0)={&(0x7f0000000180)={0xffce, 0x2e, 0x6fd, 0x0, 0x0, {0x2004}, [@nested={0xc, 0x0, [@typed={0x62, 0x9, @ipv4}]}]}, 0xffce}, 0x1, 0x0, 0x0, 0xffffff7f00000000}, 0x0) [ 1505.926600] BTRFS error (device loop2): unsupported checksum algorithm 3786 [ 1505.933748] BTRFS error (device loop2): superblock checksum mismatch [ 1505.959304] BTRFS error (device loop2): open_ctree failed [ 1505.968110] 9pnet: p9_errstr2errno: server reported unknown error  03:40:04 executing program 7: sendmsg$IPVS_CMD_FLUSH(0xffffffffffffffff, &(0x7f0000000340)={&(0x7f0000000100)={0x10}, 0xc, &(0x7f00000002c0)={&(0x7f00000001c0)=ANY=[@ANYBLOB='P\x00\x00\x00', @ANYBLOB="00000000000000000000110000002800030014000200697064647030000000000000000000000800040000000000080001000000000014000100080009000000000008005f50e2470000"], 0x2}, 0x1}, 0x0) r0 = socket$nl_generic(0x10, 0x3, 0x10) sendmsg$nl_generic(r0, &(0x7f00003cefe4)={&(0x7f0000000300)={0x10, 0x36200}, 0xc, &(0x7f0000007ff0)={&(0x7f0000000180)={0xffce, 0x2e, 0x6fd, 0x0, 0x0, {0x2004}, [@nested={0xc, 0x0, [@typed={0x62, 0x9, @ipv4}]}]}, 0xffce}, 0x1, 0x0, 0x0, 0xffffffff00000000}, 0x0) 03:40:04 executing program 4: r0 = socket$nl_xfrm(0x10, 0x3, 0x6) sendmsg$nl_xfrm(r0, &(0x7f0000000400)={&(0x7f0000000040)={0x10}, 0xc, &(0x7f00000001c0)={&(0x7f0000000080)=@updpolicy={0xb8, 0x14, 0x407, 0x0, 0x0, {{@in=@loopback=0x7f000001, @in6=@ipv4={[0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x20000000], [0xff, 0xff], @dev={0xac, 0x14, 0x14}}, 0x0, 0x0, 0x0, 0x0, 0x2}}}, 0xb8}, 0x1}, 0x0) 03:40:04 executing program 0: perf_event_open(&(0x7f0000000180)={0x2, 0x70, 0x3e5}, 0x0, 0x0, 0xffffffffffffffff, 0x0) r0 = socket$inet_udp(0x2, 0x2, 0x0) sendto$inet(r0, &(0x7f0000000000), 0x0, 0x40000, &(0x7f000083b000)={0x2, 0x4e24}, 0x10) r1 = syz_open_procfs(0x0, &(0x7f0000000080)='net/udp\x00') getsockopt$bt_BT_SNDMTU(r1, 0x112, 0xc, &(0x7f0000000040), &(0x7f00000000c0)=0x2) sendfile(r0, r1, &(0x7f0000000000), 0xff) 03:40:04 executing program 2: r0 = socket$inet6(0xa, 0x1000000000002, 0x0) ioctl(r0, 0x8912, &(0x7f0000000280)="025cc83d6d345f8f762070") syz_mount_image$btrfs(&(0x7f0000000080)='btrfs\x00', &(0x7f0000000100)='./file0\x00', 0x0, 0x1, &(0x7f0000000200)=[{&(0x7f0000000500)="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", 0x116, 0x10000}], 0x0, &(0x7f0000000240)) [ 1505.974617] BTRFS error (device loop2): unsupported checksum algorithm 3786 [ 1505.981755] BTRFS error (device loop2): superblock checksum mismatch [ 1506.013953] BTRFS error (device loop2): open_ctree failed 03:40:04 executing program 1: r0 = socket$inet6(0xa, 0x1000000000002, 0x0) ioctl(r0, 0x8912, &(0x7f0000000280)="025cc83d6d345f8f762070") syz_mount_image$btrfs(&(0x7f0000000080)='btrfs\x00', &(0x7f0000000100)='./file0\x00', 0x0, 0x1, &(0x7f0000000200)=[{&(0x7f0000000500)="8da4363a00000000020000000000004d01000000000000000000000000000000ecf6f2a2299748aeb81e1b00920efd9a000001000000000001000000000000005f42485266535f4dd2f873574f257e0a01e2a6a02f5e071383fa5a669a53f2fe9eb4eb7918628af41b", 0x69, 0x10000}], 0x0, &(0x7f0000000240)) 03:40:04 executing program 7: sendmsg$IPVS_CMD_FLUSH(0xffffffffffffffff, &(0x7f0000000340)={&(0x7f0000000100)={0x10}, 0xc, &(0x7f00000002c0)={&(0x7f00000001c0)=ANY=[@ANYBLOB='P\x00\x00\x00', @ANYBLOB="00000000000000000000110000002800030014000200697064647030000000000000000000000800040000000000080001000000000014000100080009000000000008005f50e2470000"], 0x2}, 0x1}, 0x0) r0 = socket$nl_generic(0x10, 0x3, 0x10) sendmsg$nl_generic(r0, &(0x7f00003cefe4)={&(0x7f0000000300)={0x10, 0x36200}, 0xc, &(0x7f0000007ff0)={&(0x7f0000000180)={0xffce, 0x2e, 0x6fd, 0x0, 0x0, {0x2004}, [@nested={0xc, 0x0, [@typed={0x62, 0x9, @ipv4}]}]}, 0xffce}, 0x1, 0x0, 0x0, 0xfffff000}, 0x0) [ 1506.086625] BTRFS error (device loop2): unsupported checksum algorithm 3786 [ 1506.093817] BTRFS error (device loop2): superblock checksum mismatch [ 1506.118355] BTRFS error (device loop2): open_ctree failed [ 1506.126995] BTRFS error (device loop2): unsupported checksum algorithm 3786 [ 1506.134149] BTRFS error (device loop2): superblock checksum mismatch [ 1506.154127] BTRFS error (device loop2): open_ctree failed 03:40:05 executing program 5: r0 = syz_open_dev$sndseq(&(0x7f0000dcc000)='/dev/snd/seq\x00', 0x0, 0x0) read(r0, &(0x7f0000000280)=""/28, 0x58) ioctl$SNDRV_SEQ_IOCTL_CREATE_PORT(r0, 0xc0a85320, &(0x7f0000418f50)={{0x80}, "0a4ceaa05d9a00000000000000039b3fd4cec307e8ef3d13eb790ec9c65abaf90d229db692542e5b78f8b29e0a27800f0000000000000009fb42f376589701a4", 0xa9824f69d1376637, 0x10800a}) ioctl$SNDRV_SEQ_IOCTL_REMOVE_EVENTS(r0, 0x4040534e, &(0x7f000019ffe9)={0xc1}) ioctl$SNDRV_SEQ_IOCTL_SET_PORT_INFO(r0, 0xc0305302, &(0x7f0000000080)={{0x80}, 'port1\x00'}) ioctl$SNDRV_SEQ_IOCTL_SUBSCRIBE_PORT(r0, 0x40505330, &(0x7f0000000140)) openat$sequencer2(0xffffffffffffff9c, &(0x7f0000000040)='/dev/sequencer2\x00', 0x0, 0x0) 03:40:05 executing program 4: r0 = socket$nl_xfrm(0x10, 0x3, 0x6) sendmsg$nl_xfrm(r0, &(0x7f0000000400)={&(0x7f0000000040)={0x10}, 0xc, &(0x7f00000001c0)={&(0x7f0000000080)=@updpolicy={0xb8, 0x14, 0x407, 0x0, 0x0, {{@in=@loopback=0x7f000001, @in6=@ipv4={[0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x3723], [0xff, 0xff], @dev={0xac, 0x14, 0x14}}, 0x0, 0x0, 0x0, 0x0, 0x2}}}, 0xb8}, 0x1}, 0x0) 03:40:05 executing program 0: perf_event_open(&(0x7f0000000180)={0x2, 0x70, 0x3e5}, 0x0, 0x0, 0xffffffffffffffff, 0x0) r0 = socket$inet_udp(0x2, 0x2, 0x0) sendto$inet(r0, &(0x7f0000000000), 0x0, 0x400c000, &(0x7f000083b000)={0x2, 0x4e20}, 0x10) r1 = syz_open_procfs(0x0, &(0x7f0000000080)='net/udp\x00') clock_gettime(0x0, &(0x7f0000000040)={0x0, 0x0}) setsockopt$sock_timeval(r1, 0x1, 0x15, &(0x7f00000000c0)={r2, r3/1000+30000}, 0x10) sendfile(r0, r1, &(0x7f0000000000), 0xff) 03:40:05 executing program 6: r0 = perf_event_open(&(0x7f0000000180)={0x2, 0x70, 0x3e5}, 0x0, 0x0, 0xffffffffffffffff, 0x0) ioctl$KVM_CREATE_VM(0xffffffffffffffff, 0xae01, 0x0) pipe2$9p(&(0x7f0000000040)={0xffffffffffffffff, 0xffffffffffffffff}, 0x7218d73550a38d3b) write$P9_RLERRORu(r2, &(0x7f0000000200)=ANY=[@ANYBLOB="1400000007ffff070fd74f32feffffffffffffff849c907e41289f0cf061f8fc2594627d890220a29d2c5863218578639c473814fe1f0c87e59c2824e60ec8b801136f169e63e5125cff36ee8655c4b77f28da69077ef97b4c9f005297b46f2467c8ff3724d4fa70ddc8d32bef17740ceb9b0f325febaa949eabfe3f662931a16504e6bd4687445bd81b911d02f3f12de31695c1d122dcb7d943b33809ffaaa6022c931dc25272b224733d462b5e4a75f4770b73b8e201dbefccc17029306f56070e5f9ddb501f85dae0680fd059729489870242ffe18e99b4e2"], 0x9) r3 = openat$full(0xffffffffffffff9c, &(0x7f0000000080)='/dev/full\x00', 0x0, 0x0) setsockopt$XDP_UMEM_COMPLETION_RING(r3, 0x11b, 0x6, &(0x7f00000000c0)=0x200000, 0x4) mkdir(&(0x7f0000000440)='./file0\x00', 0x0) mount$9p_fd(0x0, &(0x7f00000005c0)='./file0\x00', &(0x7f0000000600)='9p\x00', 0x0, &(0x7f0000000640)={'trans=fd,', {'rfdno', 0x3d, r1}, 0x2c, {'wfdno', 0x3d, r0}, 0x2c, {[{@fscache='fscache', 0x2c}]}}) 03:40:05 executing program 7: sendmsg$IPVS_CMD_FLUSH(0xffffffffffffffff, &(0x7f0000000340)={&(0x7f0000000100)={0x10}, 0xc, &(0x7f00000002c0)={&(0x7f00000001c0)=ANY=[@ANYBLOB='P\x00\x00\x00', @ANYBLOB="00000000000000000000110000002800030014000200697064647030000000000000000000000800040000000000080001000000000014000100080009000000000008005f50e2470000"], 0x2}, 0x1}, 0x0) r0 = socket$nl_generic(0x10, 0x3, 0x10) sendmsg$nl_generic(r0, &(0x7f00003cefe4)={&(0x7f0000000300)={0x10, 0x36200}, 0xc, &(0x7f0000007ff0)={&(0x7f0000000180)={0xffce, 0x2e, 0x6fd, 0x0, 0x0, {0x2004}, [@nested={0xc, 0x0, [@typed={0x62, 0x9, @ipv4}]}]}, 0xffce}, 0x1, 0x0, 0x0, 0x400300}, 0x0) 03:40:05 executing program 2: r0 = socket$inet6(0xa, 0x1000000000002, 0x0) ioctl(r0, 0x8912, &(0x7f0000000280)="025cc83d6d345f8f762070") syz_mount_image$btrfs(&(0x7f0000000080)='btrfs\x00', &(0x7f0000000100)='./file0\x00', 0x0, 0x1, &(0x7f0000000200)=[{&(0x7f0000000500)="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", 0x116, 0x10000}], 0x0, &(0x7f0000000240)) 03:40:05 executing program 1: r0 = socket$inet6(0xa, 0x1000000000002, 0x0) ioctl(r0, 0x8912, &(0x7f0000000280)="025cc83d6d345f8f762070") syz_mount_image$btrfs(&(0x7f0000000080)='btrfs\x00', &(0x7f0000000100)='./file0\x00', 0x0, 0x1, &(0x7f0000000200)=[{&(0x7f0000000500)="8da4363a00000000007a00000000004d01000000000000000000000000000000ecf6f2a2299748aeb81e1b00920efd9a000001000000000001000000000000005f42485266535f4dd2f873574f257e0a01e2a6a02f5e071383fa5a669a53f2fe9eb4eb7918628af41b", 0x69, 0x10000}], 0x0, &(0x7f0000000240)) 03:40:05 executing program 3: r0 = socket$inet(0x2, 0x4000000000000001, 0x0) setsockopt$inet_tcp_TCP_CONGESTION(r0, 0x6, 0xd, &(0x7f0000000140)='nv\x00', 0x3) sendto$inet(r0, &(0x7f0000a88f88), 0xfffffffffffffe6e, 0x20000000, &(0x7f0000e68000)={0x2, 0x0, @local={0xac, 0x14, 0x14, 0xaa}, [0x0, 0x0, 0x4002000000000000]}, 0x10) shutdown(r0, 0x0) [ 1506.965478] nla_parse: 43 callbacks suppressed [ 1506.965488] netlink: 104 bytes leftover after parsing attributes in process `syz-executor4'. [ 1506.969353] netlink: 65362 bytes leftover after parsing attributes in process `syz-executor7'. [ 1506.975256] 9pnet: Insufficient options for proto=fd [ 1506.978738] net_ratelimit: 62 callbacks suppressed [ 1506.978752] openvswitch: netlink: ufid size 94 bytes exceeds the range (1, 16) [ 1507.004947] openvswitch: netlink: Flow set message rejected, Key attribute missing. 03:40:05 executing program 4: r0 = socket$nl_xfrm(0x10, 0x3, 0x6) sendmsg$nl_xfrm(r0, &(0x7f0000000400)={&(0x7f0000000040)={0x10}, 0xc, &(0x7f00000001c0)={&(0x7f0000000080)=@updpolicy={0xb8, 0x14, 0x407, 0x0, 0x0, {{@in=@loopback=0x7f000001, @in6=@ipv4={[0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x2], [0xff, 0xff], @dev={0xac, 0x14, 0x14}}, 0x0, 0x0, 0x0, 0x0, 0x2}}}, 0xb8}, 0x1}, 0x0) 03:40:05 executing program 7: sendmsg$IPVS_CMD_FLUSH(0xffffffffffffffff, &(0x7f0000000340)={&(0x7f0000000100)={0x10}, 0xc, &(0x7f00000002c0)={&(0x7f00000001c0)=ANY=[@ANYBLOB='P\x00\x00\x00', @ANYBLOB="00000000000000000000110000002800030014000200697064647030000000000000000000000800040000000000080001000000000014000100080009000000000008005f50e2470000"], 0x2}, 0x1}, 0x0) r0 = socket$nl_generic(0x10, 0x3, 0x10) sendmsg$nl_generic(r0, &(0x7f00003cefe4)={&(0x7f0000000300)={0x10, 0x36200}, 0xc, &(0x7f0000007ff0)={&(0x7f0000000180)={0xffce, 0x2e, 0x6fd, 0x0, 0x0, {0x2004}, [@nested={0xc, 0x0, [@typed={0x62, 0x9, @ipv4}]}]}, 0xffce}, 0x1, 0x0, 0x0, 0x3000000}, 0x0) 03:40:05 executing program 0: perf_event_open(&(0x7f0000000180)={0x2, 0x70, 0x3e5}, 0x0, 0x0, 0xffffffffffffffff, 0x0) r0 = socket$inet_udp(0x2, 0x2, 0x0) sendto$inet(r0, &(0x7f0000000000), 0x0, 0x400c000, &(0x7f000083b000)={0x2, 0x4e20}, 0x10) sendto$inet(r0, &(0x7f0000000100)='z', 0x1, 0x10, &(0x7f0000000140)={0x2, 0x4e24, @loopback=0x7f000001}, 0x10) r1 = syz_open_procfs(0x0, &(0x7f0000000080)='net/udp\x00') ioctl$ION_IOC_HEAP_QUERY(r1, 0xc0184908, &(0x7f00000000c0)={0x34, 0x0, &(0x7f0000000040)}) sendfile(r0, r1, &(0x7f0000000000), 0xff) openat$rdma_cm(0xffffffffffffff9c, &(0x7f0000000200)='/dev/infiniband/rdma_cm\x00', 0x2, 0x0) [ 1507.015968] netlink: 65362 bytes leftover after parsing attributes in process `syz-executor7'. [ 1507.024811] openvswitch: netlink: ufid size 94 bytes exceeds the range (1, 16) [ 1507.032195] openvswitch: netlink: Flow set message rejected, Key attribute missing. [ 1507.042946] BTRFS error (device loop2): unsupported checksum algorithm 3786 [ 1507.050113] BTRFS error (device loop2): superblock checksum mismatch 03:40:05 executing program 6: perf_event_open(&(0x7f0000000180)={0x2, 0x70, 0x3e5, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1000, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x7}, 0x0, 0x0, 0xffffffffffffffff, 0x0) r0 = openat(0xffffffffffffff9c, &(0x7f0000000040)='./file0\x00', 0x101000, 0x100) ioctl$KVM_CREATE_VM(r0, 0xae01, 0x0) pipe2$9p(&(0x7f0000000000)={0xffffffffffffffff, 0xffffffffffffffff}, 0x0) write$P9_RLERRORu(r2, &(0x7f0000000200)=ANY=[@ANYBLOB="1400000007ffff070087312c306a2989b46c4410369592f86477bb9a3e949d2083f8438d222076e9b2daf14ef3643955d91122d9b0ddb2442cd3c2037702b7178b9853e2547d878d626bdfd5cc1756abb8e4a7b511339a3cb9a35932afd3a3fd853f28c8e9503d63586520603254dc57980c1b98ddc6cfb8897d5d00a885d17b994df4f9890f8d5c113ae6761b5f06442b647faf5268c5490ca58f43646f05be"], 0x9) mkdir(&(0x7f00000000c0)='./file1\x00', 0x100000) ioctl$sock_bt(r0, 0xdd1f, &(0x7f00000006c0)="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") mount$9p_fd(0x0, &(0x7f00000005c0)='./file0\x00', &(0x7f0000000600)='9p\x00', 0x0, &(0x7f0000000640)={'trans=fd,', {'rfdno', 0x3d, r1}, 0x2c, {'wfdno', 0x3d, r2}, 0x2c, {[{@version_9p2000='version=9p2000', 0x2c}]}}) [ 1507.064346] 9pnet: Insufficient options for proto=fd [ 1507.067429] netlink: 104 bytes leftover after parsing attributes in process `syz-executor4'. [ 1507.085038] BTRFS error (device loop2): open_ctree failed [ 1507.092433] netlink: 65362 bytes leftover after parsing attributes in process `syz-executor7'. [ 1507.101371] openvswitch: netlink: ufid size 94 bytes exceeds the range (1, 16) [ 1507.108766] openvswitch: netlink: Flow set message rejected, Key attribute missing. 03:40:05 executing program 4: r0 = socket$nl_xfrm(0x10, 0x3, 0x6) sendmsg$nl_xfrm(r0, &(0x7f0000000400)={&(0x7f0000000040)={0x10}, 0xc, &(0x7f00000001c0)={&(0x7f0000000080)=@updpolicy={0xb8, 0x14, 0x407, 0x0, 0x0, {{@in=@loopback=0x7f000001, @in6=@ipv4={[0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xf0ffffff00000000], [0xff, 0xff], @dev={0xac, 0x14, 0x14}}, 0x0, 0x0, 0x0, 0x0, 0x2}}}, 0xb8}, 0x1}, 0x0) [ 1507.120553] BTRFS error (device loop2): unsupported checksum algorithm 3786 [ 1507.127837] BTRFS error (device loop2): superblock checksum mismatch [ 1507.154084] netlink: 104 bytes leftover after parsing attributes in process `syz-executor4'. 03:40:05 executing program 2: r0 = socket$inet6(0xa, 0x1000000000002, 0x0) ioctl(r0, 0x8912, &(0x7f0000000280)="025cc83d6d345f8f762070") syz_mount_image$btrfs(&(0x7f0000000080)='btrfs\x00', &(0x7f0000000100)='./file0\x00', 0x0, 0x1, &(0x7f0000000200)=[{&(0x7f0000000500)="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", 0x116, 0x10000}], 0x0, &(0x7f0000000240)) 03:40:05 executing program 0: perf_event_open(&(0x7f0000000180)={0x2, 0x70, 0x3e5}, 0x0, 0x0, 0xffffffffffffffff, 0x0) r0 = openat$vsock(0xffffffffffffff9c, &(0x7f0000000380)='/dev/vsock\x00', 0x0, 0x0) getsockopt$inet_sctp6_SCTP_PR_SUPPORTED(0xffffffffffffff9c, 0x84, 0x71, &(0x7f00000003c0)={0x0, 0x2}, &(0x7f0000000400)=0x8) setsockopt$inet_sctp6_SCTP_AUTH_KEY(r0, 0x84, 0x17, &(0x7f0000000440)={r1, 0x4, 0x64, "8b9d02eae9f309114164171b9b14932d3bd0baf5c6d46fbef3bf6d57c4128e7c5eb544954ea699a8238d9735a3599a0d56f06da8f2f12866a7bfd7b7e3939bde8eab058513a28e3b5ec05105a0682c0e002385a53d9fa7db8773c93eb32a81357d1b1dd7"}, 0x6c) socket$inet6_udp(0xa, 0x2, 0x0) r2 = socket$inet_udp(0x2, 0x2, 0x0) r3 = openat$full(0xffffffffffffff9c, &(0x7f0000000080)='/dev/full\x00', 0x0, 0x0) r4 = getpgid(0x0) connect$nfc_llcp(r3, &(0x7f00000004c0)={0x27, 0x0, 0x1, 0x7, 0x9, 0x6, "5677fdfd4a1eed0dc898907e21ba1c4c0ce8d08c88a198ad407441b0b7294cfe7e03fb5d6bcd62750bbe05e9be1f208b8511c6c23882784d010d0cfb49b0a7", 0x38}, 0x60) ioctl$SNDRV_CTL_IOCTL_ELEM_REPLACE(r3, 0xc1105518, &(0x7f0000000200)={{0x7, 0x1, 0x20, 0x798, 'syz0\x00', 0x9}, 0x1, 0x0, 0x6, r4, 0x2, 0x4bece3a6, 'syz1\x00', &(0x7f00000000c0)=['net/netstat\x00', "76626f786e657430656d302d5efc76626f786e657431776c616e31736563757269747900"], 0x30, [], [0x3, 0xef, 0x8, 0x49b]}) sendto$inet(r2, &(0x7f0000000000), 0x0, 0x400c000, &(0x7f000083b000)={0x2, 0x4e20}, 0x10) r5 = syz_open_procfs(0x0, &(0x7f0000000040)='net/netstat\x00') sendfile(r2, r5, &(0x7f0000000000), 0xff) ioctl$sock_SIOCGIFINDEX(r2, 0x8933, &(0x7f0000000140)={'bcsf0\x00', 0x0}) creat(&(0x7f0000000100)='./file0\x00', 0x100) bind$bt_hci(r3, &(0x7f0000000340)={0x1f, r6, 0x1}, 0xc) 03:40:05 executing program 4: r0 = socket$nl_xfrm(0x10, 0x3, 0x6) sendmsg$nl_xfrm(r0, &(0x7f0000000400)={&(0x7f0000000040)={0x10}, 0xc, &(0x7f00000001c0)={&(0x7f0000000080)=@updpolicy={0xb8, 0x14, 0x407, 0x0, 0x0, {{@in=@loopback=0x7f000001, @in6=@ipv4={[0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x3723], [0xff, 0xff], @dev={0xac, 0x14, 0x14}}, 0x0, 0x0, 0x0, 0x0, 0x2}}}, 0xb8}, 0x1}, 0x0) [ 1507.170521] BTRFS error (device loop2): open_ctree failed [ 1507.212276] netlink: 65362 bytes leftover after parsing attributes in process `syz-executor7'. [ 1507.221130] openvswitch: netlink: ufid size 94 bytes exceeds the range (1, 16) [ 1507.228517] openvswitch: netlink: Flow set message rejected, Key attribute missing. [ 1507.233716] BTRFS error (device loop2): unsupported checksum algorithm 3786 [ 1507.243565] BTRFS error (device loop2): superblock checksum mismatch [ 1507.252447] BTRFS error (device loop2): open_ctree failed [ 1507.259431] netlink: 104 bytes leftover after parsing attributes in process `syz-executor4'. [ 1507.270826] BTRFS error (device loop2): unsupported checksum algorithm 3786 [ 1507.278584] BTRFS error (device loop2): superblock checksum mismatch [ 1507.286037] BTRFS error (device loop2): open_ctree failed [ 1507.293405] netlink: 104 bytes leftover after parsing attributes in process `syz-executor4'. 03:40:06 executing program 5: r0 = syz_open_dev$sndseq(&(0x7f0000dcc000)='/dev/snd/seq\x00', 0x0, 0x0) read(r0, &(0x7f0000000280)=""/28, 0x58) ioctl$SNDRV_SEQ_IOCTL_CREATE_PORT(r0, 0xc0a85320, &(0x7f0000418f50)={{0x80}, "0a4ceaa05d9a00000000000000039b3fd4cec307e8ef3d13eb790ec9c65abaf90d229db692542e5b78f8b29e0a27800f0000000000000009fb42f376589701a4", 0xa9824f69d1376637, 0x10800a}) ioctl$SNDRV_SEQ_IOCTL_REMOVE_EVENTS(r0, 0x4040534e, &(0x7f000019ffe9)={0xc1}) ioctl$SNDRV_SEQ_IOCTL_SET_PORT_INFO(r0, 0x80045300, &(0x7f0000000080)={{0x80}, 'port1\x00'}) ioctl$SNDRV_SEQ_IOCTL_SUBSCRIBE_PORT(r0, 0x40505330, &(0x7f0000000140)) openat$sequencer2(0xffffffffffffff9c, &(0x7f0000000040)='/dev/sequencer2\x00', 0x0, 0x0) 03:40:06 executing program 6: perf_event_open(&(0x7f0000000180)={0x2, 0x70, 0x3e5}, 0x0, 0x0, 0xffffffffffffffff, 0x0) ioctl$KVM_CREATE_VM(0xffffffffffffffff, 0xae01, 0x0) pipe2$9p(&(0x7f0000000000)={0xffffffffffffffff, 0xffffffffffffffff}, 0x0) write$P9_RLERRORu(r1, &(0x7f0000000080)=ANY=[@ANYBLOB="1400000007ffff0700"], 0x9) mkdir(&(0x7f0000000440)='./file0\x00', 0x0) mount$9p_fd(0x0, &(0x7f00000005c0)='./file0\x00', &(0x7f0000000600)='9p\x00', 0x0, &(0x7f0000000640)=ANY=[@ANYBLOB='trans=fd,rfdno=', @ANYRESHEX=r0, @ANYBLOB="0e4e2115791fc5", @ANYRESHEX=r1, @ANYBLOB=',version=9p2000,\x00']) 03:40:06 executing program 7: sendmsg$IPVS_CMD_FLUSH(0xffffffffffffffff, &(0x7f0000000340)={&(0x7f0000000100)={0x10}, 0xc, &(0x7f00000002c0)={&(0x7f00000001c0)=ANY=[@ANYBLOB='P\x00\x00\x00', @ANYBLOB="00000000000000000000110000002800030014000200697064647030000000000000000000000800040000000000080001000000000014000100080009000000000008005f50e2470000"], 0x2}, 0x1}, 0x0) r0 = socket$nl_generic(0x10, 0x3, 0x10) sendmsg$nl_generic(r0, &(0x7f00003cefe4)={&(0x7f0000000300)={0x10, 0x36200}, 0xc, &(0x7f0000007ff0)={&(0x7f0000000180)={0xffce, 0x2e, 0x6fd, 0x0, 0x0, {0x2004}, [@nested={0xc, 0x0, [@typed={0x62, 0x9, @ipv4}]}]}, 0xffce}, 0x1, 0x0, 0x0, 0x2000}, 0x0) 03:40:06 executing program 1: r0 = socket$inet6(0xa, 0x1000000000002, 0x0) ioctl(r0, 0x8912, &(0x7f0000000280)="025cc83d6d345f8f762070") syz_mount_image$btrfs(&(0x7f0000000080)='btrfs\x00', &(0x7f0000000100)='./file0\x00', 0x0, 0x1, &(0x7f0000000200)=[{&(0x7f0000000500)="8da4363a00000000012400000000004d01000000000000000000000000000000ecf6f2a2299748aeb81e1b00920efd9a000001000000000001000000000000005f42485266535f4dd2f873574f257e0a01e2a6a02f5e071383fa5a669a53f2fe9eb4eb7918628af41b", 0x69, 0x10000}], 0x0, &(0x7f0000000240)) 03:40:06 executing program 0: r0 = perf_event_open(&(0x7f0000000180)={0x2, 0x70, 0x3e5}, 0x0, 0x0, 0xffffffffffffffff, 0x0) r1 = syz_open_dev$mouse(&(0x7f0000000040)='/dev/input/mouse#\x00', 0x7, 0x0) ioctl$EVIOCGNAME(r1, 0x80404506, &(0x7f00000000c0)=""/184) r2 = socket$inet_udp(0x2, 0x2, 0x0) sendto$inet(r2, &(0x7f0000000000), 0x0, 0x400c000, &(0x7f000083b000)={0x2, 0x4e20}, 0x10) syz_open_procfs(0x0, &(0x7f0000000080)='net/udp\x00') sendfile(r2, r0, &(0x7f0000000000), 0xff) 03:40:06 executing program 2: r0 = socket$inet6(0xa, 0x1000000000002, 0x0) ioctl(r0, 0x8912, &(0x7f0000000280)="025cc83d6d345f8f762070") syz_mount_image$btrfs(&(0x7f0000000080)='btrfs\x00', &(0x7f0000000100)='./file0\x00', 0x0, 0x1, &(0x7f0000000200)=[{&(0x7f0000000500)="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", 0x116, 0x10000}], 0x0, &(0x7f0000000240)) 03:40:06 executing program 4: r0 = socket$nl_xfrm(0x10, 0x3, 0x6) sendmsg$nl_xfrm(r0, &(0x7f0000000400)={&(0x7f0000000040)={0x10}, 0xc, &(0x7f00000001c0)={&(0x7f0000000080)=@updpolicy={0xb8, 0x14, 0x407, 0x0, 0x0, {{@in=@loopback=0x7f000001, @in6=@ipv4={[0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x2000000], [0xff, 0xff], @dev={0xac, 0x14, 0x14}}, 0x0, 0x0, 0x0, 0x0, 0x2}}}, 0xb8}, 0x1}, 0x0) 03:40:06 executing program 3: r0 = socket$inet(0x2, 0x4000000000000001, 0x0) setsockopt$inet_tcp_TCP_CONGESTION(r0, 0x6, 0xd, &(0x7f0000000140)='nv\x00', 0x3) sendto$inet(r0, &(0x7f0000a88f88), 0xfffffffffffffe6e, 0x20000000, &(0x7f0000e68000)={0x2, 0x0, @local={0xac, 0x14, 0x14, 0xaa}, [0x0, 0x0, 0x6000000]}, 0x10) shutdown(r0, 0x0) [ 1508.037058] netlink: 65362 bytes leftover after parsing attributes in process `syz-executor7'. [ 1508.045875] openvswitch: netlink: ufid size 94 bytes exceeds the range (1, 16) [ 1508.050354] 9pnet: Insufficient options for proto=fd [ 1508.053257] openvswitch: netlink: Flow set message rejected, Key attribute missing. 03:40:06 executing program 0: r0 = perf_event_open(&(0x7f0000000180)={0x2, 0x70, 0x3e5, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp, 0x0, 0x0, 0x2}, 0x0, 0x0, 0xffffffffffffffff, 0x0) socketpair$inet_smc(0x2b, 0x1, 0x0, &(0x7f0000000280)={0xffffffffffffffff, 0xffffffffffffffff}) sendto(r2, &(0x7f00000000c0)="46f92b49e7fa73238015da2ad95a3d1174371712214c58d40e27ea8c47e5d5ea8dca18d2259f71f93f903efa02206974a5eac75b17c7bcd24f0d56831677fb664643d3d01ca16c19ef2eb3dfc8b9fe265ecb1944848fc57a1d04", 0x5a, 0x0, &(0x7f0000000200)=@vsock={0x28, 0x0, 0x2711, @any=0xffffffff}, 0x80) r3 = socket$inet_udp(0x2, 0x2, 0x0) sendto$inet(r3, &(0x7f0000000000), 0x0, 0x400c000, &(0x7f000083b000)={0x2, 0x4e20}, 0x10) syz_open_procfs(0x0, &(0x7f0000000080)='net/udp\x00') sendfile(r0, r1, &(0x7f0000000140), 0xff) socket$inet_tcp(0x2, 0x1, 0x0) 03:40:06 executing program 4: r0 = socket$nl_xfrm(0x10, 0x3, 0x6) sendmsg$nl_xfrm(r0, &(0x7f0000000400)={&(0x7f0000000040)={0x10}, 0xc, &(0x7f00000001c0)={&(0x7f0000000080)=@updpolicy={0xb8, 0x14, 0x407, 0x0, 0x0, {{@in=@loopback=0x7f000001, @in6=@ipv4={[0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x34000], [0xff, 0xff], @dev={0xac, 0x14, 0x14}}, 0x0, 0x0, 0x0, 0x0, 0x2}}}, 0xb8}, 0x1}, 0x0) 03:40:06 executing program 1: r0 = socket$inet6(0xa, 0x1000000000002, 0x0) ioctl(r0, 0x8912, &(0x7f0000000280)="025cc83d6d345f8f762070") syz_mount_image$btrfs(&(0x7f0000000080)='btrfs\x00', &(0x7f0000000100)='./file0\x00', 0x0, 0x1, &(0x7f0000000200)=[{&(0x7f0000000500)="8da4363a00000000004c00000000004d01000000000000000000000000000000ecf6f2a2299748aeb81e1b00920efd9a000001000000000001000000000000005f42485266535f4dd2f873574f257e0a01e2a6a02f5e071383fa5a669a53f2fe9eb4eb7918628af41b", 0x69, 0x10000}], 0x0, &(0x7f0000000240)) 03:40:06 executing program 6: perf_event_open(&(0x7f0000000180)={0x2, 0x70, 0x3e5, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x101}, 0x0, 0x0, 0xffffffffffffffff, 0x0) ioctl$KVM_CREATE_VM(0xffffffffffffffff, 0xae01, 0x0) pipe2$9p(&(0x7f0000000000)={0xffffffffffffffff, 0xffffffffffffffff}, 0x0) write$P9_RLERRORu(r1, &(0x7f00000000c0)=ANY=[], 0x29) socket$inet6_udplite(0xa, 0x2, 0x88) mkdir(&(0x7f0000000440)='./file0\x00', 0x0) mount$9p_fd(0x0, &(0x7f00000005c0)='./file0\x00', &(0x7f0000000600)='9p\x00', 0x0, &(0x7f0000000640)={'trans=fd,', {'rfdno', 0x3d, r0}, 0x2c, {'wfdno', 0x3d, r1}, 0x2c, {[{@version_9p2000='version=9p2000', 0x2c}]}}) [ 1508.091197] print_req_error: I/O error, dev loop1, sector 128 [ 1508.097706] 9pnet: Insufficient options for proto=fd [ 1508.108460] BTRFS error (device loop2): unsupported checksum algorithm 3786 [ 1508.115663] BTRFS error (device loop2): superblock checksum mismatch 03:40:06 executing program 4: r0 = socket$nl_xfrm(0x10, 0x3, 0x6) sendmsg$nl_xfrm(r0, &(0x7f0000000400)={&(0x7f0000000040)={0x10}, 0xc, &(0x7f00000001c0)={&(0x7f0000000080)=@updpolicy={0xb8, 0x14, 0x407, 0x0, 0x0, {{@in=@loopback=0x7f000001, @in6=@ipv4={[0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xfffffff0], [0xff, 0xff], @dev={0xac, 0x14, 0x14}}, 0x0, 0x0, 0x0, 0x0, 0x2}}}, 0xb8}, 0x1}, 0x0) 03:40:06 executing program 7: sendmsg$IPVS_CMD_FLUSH(0xffffffffffffffff, &(0x7f0000000340)={&(0x7f0000000100)={0x10}, 0xc, &(0x7f00000002c0)={&(0x7f00000001c0)=ANY=[@ANYBLOB='P\x00\x00\x00', @ANYBLOB="00000000000000000000110000002800030014000200697064647030000000000000000000000800040000000000080001000000000014000100080009000000000008005f50e2470000"], 0x2}, 0x1}, 0x0) r0 = socket$nl_generic(0x10, 0x3, 0x10) sendmsg$nl_generic(r0, &(0x7f00003cefe4)={&(0x7f0000000300)={0x10, 0x36200}, 0xc, &(0x7f0000007ff0)={&(0x7f0000000180)={0xffce, 0x2e, 0x6fd, 0x0, 0x0, {0x2004}, [@nested={0xc, 0x0, [@typed={0x62, 0x9, @ipv4}]}]}, 0xffce}, 0x1, 0x0, 0x0, 0x2}, 0x0) 03:40:06 executing program 0: perf_event_open(&(0x7f0000000180)={0x2, 0x70, 0x3e5}, 0x0, 0x0, 0xffffffffffffffff, 0x0) r0 = openat$cgroup_ro(0xffffffffffffffff, &(0x7f0000000040)='cgroup.events\x00', 0x0, 0x0) ioctl$SG_SET_DEBUG(r0, 0x227e, &(0x7f0000000100)) r1 = socket$inet_udp(0x2, 0x2, 0x0) sendto$inet(r1, &(0x7f0000000000), 0x0, 0x400c000, &(0x7f000083b000)={0x2, 0x4e20}, 0x10) syz_open_procfs(0x0, &(0x7f0000000080)='net/udp\x00') sendfile(r1, r1, &(0x7f00000000c0), 0xfc) [ 1508.149548] BTRFS error (device loop2): open_ctree failed [ 1508.187393] BTRFS error (device loop2): unsupported checksum algorithm 3786 [ 1508.194667] BTRFS error (device loop2): superblock checksum mismatch 03:40:06 executing program 7: sendmsg$IPVS_CMD_FLUSH(0xffffffffffffffff, &(0x7f0000000340)={&(0x7f0000000100)={0x10}, 0xc, &(0x7f00000002c0)={&(0x7f00000001c0)=ANY=[@ANYBLOB='P\x00\x00\x00', @ANYBLOB="00000000000000000000110000002800030014000200697064647030000000000000000000000800040000000000080001000000000014000100080009000000000008005f50e2470000"], 0x2}, 0x1}, 0x0) r0 = socket$nl_generic(0x10, 0x3, 0x10) sendmsg$nl_generic(r0, &(0x7f00003cefe4)={&(0x7f0000000300)={0x10, 0x36200}, 0xc, &(0x7f0000007ff0)={&(0x7f0000000180)={0xffce, 0x2e, 0x6fd, 0x0, 0x0, {0x2004}, [@nested={0xc, 0x0, [@typed={0x62, 0x9, @ipv4}]}]}, 0xffce}, 0x1, 0x0, 0x0, 0x68}, 0x0) [ 1508.222434] BTRFS error (device loop2): open_ctree failed [ 1508.252061] BTRFS error (device loop2): unsupported checksum algorithm 3786 [ 1508.259273] BTRFS error (device loop2): superblock checksum mismatch [ 1508.353268] BTRFS error (device loop2): open_ctree failed 03:40:07 executing program 5: r0 = syz_open_dev$sndseq(&(0x7f0000dcc000)='/dev/snd/seq\x00', 0x0, 0x0) read(r0, &(0x7f0000000280)=""/28, 0x58) ioctl$SNDRV_SEQ_IOCTL_CREATE_PORT(r0, 0xc0a85320, &(0x7f0000418f50)={{0x80}, "0a4ceaa05d9a00000000000000039b3fd4cec307e8ef3d13eb790ec9c65abaf90d229db692542e5b78f8b29e0a27800f0000000000000009fb42f376589701a4", 0xa9824f69d1376637, 0x10800a}) ioctl$SNDRV_SEQ_IOCTL_REMOVE_EVENTS(r0, 0x4040534e, &(0x7f000019ffe9)={0xc1}) ioctl$SNDRV_SEQ_IOCTL_SET_PORT_INFO(r0, 0xc0189436, &(0x7f0000000080)={{0x80}, 'port1\x00'}) ioctl$SNDRV_SEQ_IOCTL_SUBSCRIBE_PORT(r0, 0x40505330, &(0x7f0000000140)) openat$sequencer2(0xffffffffffffff9c, &(0x7f0000000040)='/dev/sequencer2\x00', 0x0, 0x0) 03:40:07 executing program 4: r0 = socket$nl_xfrm(0x10, 0x3, 0x6) sendmsg$nl_xfrm(r0, &(0x7f0000000400)={&(0x7f0000000040)={0x10}, 0xc, &(0x7f00000001c0)={&(0x7f0000000080)=@updpolicy={0xb8, 0x14, 0x407, 0x0, 0x0, {{@in=@loopback=0x7f000001, @in6=@ipv4={[0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xffffff7f00000000], [0xff, 0xff], @dev={0xac, 0x14, 0x14}}, 0x0, 0x0, 0x0, 0x0, 0x2}}}, 0xb8}, 0x1}, 0x0) 03:40:07 executing program 6: perf_event_open(&(0x7f0000000180)={0x2, 0x70, 0x3e5}, 0x0, 0x0, 0xffffffffffffffff, 0x0) ioctl$KVM_CREATE_VM(0xffffffffffffffff, 0xae01, 0x0) pipe2$9p(&(0x7f0000000000)={0xffffffffffffffff, 0xffffffffffffffff}, 0x0) write$P9_RLERRORu(r1, &(0x7f0000000080)=ANY=[@ANYBLOB="146add00000007ffff"], 0x9) mkdir(&(0x7f0000000440)='./file0\x00', 0x0) r2 = openat$pfkey(0xffffffffffffff9c, &(0x7f00000000c0)='/proc/self/net/pfkey\x00', 0x600800, 0x0) getsockopt$inet_sctp_SCTP_STREAM_SCHEDULER(r2, 0x84, 0x7b, &(0x7f0000000140)={0x0, 0x100000001}, &(0x7f0000000200)=0x8) getsockopt$inet_sctp_SCTP_ENABLE_STREAM_RESET(r2, 0x84, 0x76, &(0x7f0000000240)={r3, 0x80}, &(0x7f0000000280)=0x8) ioctl$TUNGETFEATURES(r2, 0x800454cf, &(0x7f00000002c0)) ioctl$SG_SET_FORCE_PACK_ID(r2, 0x227b, &(0x7f0000000100)) syz_open_dev$dmmidi(&(0x7f0000000040)='/dev/dmmidi#\x00', 0x3, 0x1) mount$9p_fd(0x0, &(0x7f00000005c0)='./file0\x00', &(0x7f0000000600)='9p\x00', 0x0, &(0x7f0000000640)={'trans=fd,', {'rfdno', 0x3d, r0}, 0x2c, {'wfdno', 0x3d, r1}, 0x2c, {[{@version_9p2000='version=9p2000', 0x2c}]}}) prctl$intptr(0x400000000000003e, 0xb8) 03:40:07 executing program 0: perf_event_open(&(0x7f0000000180)={0x2, 0x70, 0x3e5}, 0x0, 0x0, 0xffffffffffffffff, 0x0) r0 = socket$inet_udp(0x2, 0x2, 0x0) sendto$inet(r0, &(0x7f0000000000), 0x0, 0x400c000, &(0x7f000083b000)={0x2, 0x4e20}, 0x10) ioctl$TIOCGSID(0xffffffffffffff9c, 0x5429, &(0x7f0000000100)=0x0) r2 = syz_open_procfs(r1, &(0x7f0000000140)='net/udp\x00') sendfile(r0, r2, &(0x7f0000000000), 0xff) ioctl$sock_inet_udp_SIOCINQ(r2, 0x541b, &(0x7f00000000c0)) setsockopt$inet_sctp_SCTP_RECVRCVINFO(r2, 0x84, 0x20, &(0x7f0000000040)=0x9, 0x4) 03:40:07 executing program 7: sendmsg$IPVS_CMD_FLUSH(0xffffffffffffffff, &(0x7f0000000340)={&(0x7f0000000100)={0x10}, 0xc, &(0x7f00000002c0)={&(0x7f00000001c0)=ANY=[@ANYBLOB='P\x00\x00\x00', @ANYBLOB="00000000000000000000110000002800030014000200697064647030000000000000000000000800040000000000080001000000000014000100080009000000000008005f50e2470000"], 0x2}, 0x1}, 0x0) r0 = socket$nl_generic(0x10, 0x3, 0x10) sendmsg$nl_generic(r0, &(0x7f00003cefe4)={&(0x7f0000000300)={0x10, 0x36200}, 0xc, &(0x7f0000007ff0)={&(0x7f0000000180)={0xffce, 0x2e, 0x6fd, 0x0, 0x0, {0x2004}, [@nested={0xc, 0x0, [@typed={0x62, 0x9, @ipv4}]}]}, 0xffce}, 0x1, 0x0, 0x0, 0x60}, 0x0) 03:40:07 executing program 2: r0 = socket$inet6(0xa, 0x1000000000002, 0x0) ioctl(r0, 0x8912, &(0x7f0000000280)="025cc83d6d345f8f762070") syz_mount_image$btrfs(&(0x7f0000000080)='btrfs\x00', &(0x7f0000000100)='./file0\x00', 0x0, 0x1, &(0x7f0000000200)=[{&(0x7f0000000500)="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", 0x116, 0x10000}], 0x0, &(0x7f0000000240)) 03:40:07 executing program 1: r0 = socket$inet6(0xa, 0x1000000000002, 0x0) ioctl(r0, 0x8912, &(0x7f0000000280)="025cc83d6d345f8f762070") syz_mount_image$btrfs(&(0x7f0000000080)='btrfs\x00', &(0x7f0000000100)='./file0\x00', 0x0, 0x1, &(0x7f0000000200)=[{&(0x7f0000000500)="8da4363a00000000000000200000004d01000000000000000000000000000000ecf6f2a2299748aeb81e1b00920efd9a000001000000000001000000000000005f42485266535f4dd2f873574f257e0a01e2a6a02f5e071383fa5a669a53f2fe9eb4eb7918628af41b", 0x69, 0x10000}], 0x0, &(0x7f0000000240)) 03:40:07 executing program 3: r0 = socket$inet(0x2, 0x4000000000000001, 0x0) setsockopt$inet_tcp_TCP_CONGESTION(r0, 0x6, 0xd, &(0x7f0000000140)='nv\x00', 0x3) sendto$inet(r0, &(0x7f0000a88f88), 0xfffffffffffffe6e, 0x20000000, &(0x7f0000e68000)={0x2, 0x0, @local={0xac, 0x14, 0x14, 0xaa}, [0x0, 0x0, 0x40020000]}, 0x10) shutdown(r0, 0x0) 03:40:07 executing program 4: r0 = socket$nl_xfrm(0x10, 0x3, 0x6) sendmsg$nl_xfrm(r0, &(0x7f0000000400)={&(0x7f0000000040)={0x10}, 0xc, &(0x7f00000001c0)={&(0x7f0000000080)=@updpolicy={0xb8, 0x14, 0x407, 0x0, 0x0, {{@in=@loopback=0x7f000001, @in6=@ipv4={[0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x20000000], [0xff, 0xff], @dev={0xac, 0x14, 0x14}}, 0x0, 0x0, 0x0, 0x0, 0x2}}}, 0xb8}, 0x1}, 0x0) 03:40:07 executing program 0: r0 = perf_event_open(&(0x7f0000000180)={0x2, 0x70, 0x3e5}, 0x0, 0x0, 0xffffffffffffffff, 0x0) r1 = socket$inet_udp(0x2, 0x2, 0x0) r2 = syz_open_dev$mice(&(0x7f0000000400)='/dev/input/mice\x00', 0x0, 0x200) getsockname$llc(r2, &(0x7f0000000440)={0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @remote}, &(0x7f0000000480)=0x10) sendto$inet(r1, &(0x7f0000000040), 0x0, 0x400c000, &(0x7f00000000c0)={0x2, 0x4e20}, 0x3) r3 = dup3(r0, r0, 0x0) sendmsg$nl_route_sched(r3, &(0x7f0000000140)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x80800}, 0xc, &(0x7f0000000100)={&(0x7f0000000200)=@newtaction={0x12c, 0x30, 0x2, 0x70bd2b, 0x25dfdbfd, {0x0, 0x1, 0x4}, [{0x118, 0x1, @m_ipt={0x114, 0x4, {{0x8, 0x1, 'ipt\x00'}, {0x5c, 0x2, [@TCA_IPT_HOOK={0x8, 0x2, 0x2}, @TCA_IPT_INDEX={0x8, 0x3, 0x9}, @TCA_IPT_TABLE={0x14, 0x1, 'filter\x00'}, @TCA_IPT_TABLE={0x14, 0x1, 'nat\x00'}, @TCA_IPT_INDEX={0x8, 0x3, 0x8}, @TCA_IPT_INDEX={0x8, 0x3, 0x4}, @TCA_IPT_INDEX={0x8, 0x3, 0x9}, @TCA_IPT_HOOK={0x8, 0x2, 0x4}]}, {0xa8, 0x6, "69a900df77208944f7f3ee61b496117ae2251e39157e0e5e4f1514f5d8e69d6edea46a9302a23d6457bbeccc4a4f6e6e7210c983676d7a927fae0b6ed8eb7806d20e42b7e2ad0db0f0fe3e8238ae277910dc616d96df351b5fc766a73a927622367f561eb064c4afeba8e4e562a40a5c74f38fb79fff552b1f87a92b20424fb953fbc963200f7f46a92c9ded1c4a3bb9f2d8486e3d16c95e3bcf43dda17acc376e66ce6b"}}}}]}, 0x12c}, 0x1}, 0x81) ioctl$BLKTRACESTOP(r3, 0x1275, 0x0) r4 = syz_open_procfs(0x0, &(0x7f0000000080)='net/udp\x00') sendfile(r1, r4, &(0x7f0000000000), 0xff) setsockopt$l2tp_PPPOL2TP_SO_SENDSEQ(r4, 0x111, 0x3, 0x1, 0x4) [ 1509.157574] BTRFS error (device loop2): unsupported checksum algorithm 3786 [ 1509.164837] BTRFS error (device loop2): superblock checksum mismatch 03:40:07 executing program 6: perf_event_open(&(0x7f0000000180)={0x2, 0x70, 0x3e5}, 0x0, 0x0, 0xffffffffffffffff, 0x0) ioctl$KVM_CREATE_VM(0xffffffffffffffff, 0xae01, 0x0) pipe2$9p(&(0x7f0000000000)={0xffffffffffffffff, 0xffffffffffffffff}, 0x0) write$P9_RLERRORu(r1, &(0x7f0000000080)=ANY=[@ANYBLOB="1400000007ffff0700"], 0x9) mkdir(&(0x7f0000000440)='./file0\x00', 0x0) mount$9p_fd(0x0, &(0x7f00000005c0)='./file0\x00', &(0x7f0000000600)='9p\x00', 0x0, &(0x7f0000000140)={'trans=fd,', {'rfdno', 0x3d, r0}, 0x2c, {'wfdno', 0x3d, r1}, 0x2c}) r2 = bpf$BPF_RAW_TRACEPOINT_OPEN(0x11, &(0x7f00000000c0)={&(0x7f0000000040)='version=9p2000'}, 0x10) ioctl$TIOCGSID(0xffffffffffffffff, 0x5429, &(0x7f0000000100)=0x0) ioctl$SNDRV_CTL_IOCTL_ELEM_REPLACE(r2, 0xc1105518, &(0x7f0000000280)={{0x6, 0x7, 0xfff, 0x1, 'syz0\x00', 0x4}, 0x1, 0x3, 0x1, r3, 0x5, 0x2, 'syz0\x00', &(0x7f0000000200)=['-/\x00', 'md5sum\x00', '(}-Xeth1self{user)[GPL\x00', '#self^.{^,,-)vmnet0userGPLcgroup\'posix_acl_accessvmnet1em1eth0\x00', 'mime_type^systemself{$keyring%\x00'], 0x7f, [], [0x20, 0x9, 0x1, 0x3]}) 03:40:07 executing program 7: sendmsg$IPVS_CMD_FLUSH(0xffffffffffffffff, &(0x7f0000000340)={&(0x7f0000000100)={0x10}, 0xc, &(0x7f00000002c0)={&(0x7f00000001c0)=ANY=[@ANYBLOB='P\x00\x00\x00', @ANYBLOB="00000000000000000000110000002800030014000200697064647030000000000000000000000800040000000000080001000000000014000100080009000000000008005f50e2470000"], 0x2}, 0x1}, 0x0) r0 = socket$nl_generic(0x10, 0x3, 0x10) sendmsg$nl_generic(r0, &(0x7f00003cefe4)={&(0x7f0000000300)={0x10, 0x36200}, 0xc, &(0x7f0000007ff0)={&(0x7f0000000180)={0xffce, 0x2e, 0x6fd, 0x0, 0x0, {0x2004}, [@nested={0xc, 0x0, [@typed={0x62, 0x9, @ipv4}]}]}, 0xffce}, 0x1, 0x0, 0x0, 0x10}, 0x0) 03:40:07 executing program 4: r0 = socket$nl_xfrm(0x10, 0x3, 0x6) sendmsg$nl_xfrm(r0, &(0x7f0000000400)={&(0x7f0000000040)={0x10}, 0xc, &(0x7f00000001c0)={&(0x7f0000000080)=@updpolicy={0xb8, 0x14, 0x407, 0x0, 0x0, {{@in=@loopback=0x7f000001, @in6=@ipv4={[0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xffffff9e], [0xff, 0xff], @dev={0xac, 0x14, 0x14}}, 0x0, 0x0, 0x0, 0x0, 0x2}}}, 0xb8}, 0x1}, 0x0) 03:40:07 executing program 2: r0 = socket$inet6(0xa, 0x1000000000002, 0x0) ioctl(r0, 0x8912, &(0x7f0000000280)="025cc83d6d345f8f762070") syz_mount_image$btrfs(&(0x7f0000000080)='btrfs\x00', &(0x7f0000000100)='./file0\x00', 0x0, 0x1, &(0x7f0000000200)=[{&(0x7f0000000500)="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", 0x116, 0x10000}], 0x0, &(0x7f0000000240)) [ 1509.201486] BTRFS error (device loop2): open_ctree failed [ 1509.225091] BTRFS error (device loop2): unsupported checksum algorithm 3786 [ 1509.232346] BTRFS error (device loop2): superblock checksum mismatch 03:40:07 executing program 4: r0 = socket$nl_xfrm(0x10, 0x3, 0x6) sendmsg$nl_xfrm(r0, &(0x7f0000000400)={&(0x7f0000000040)={0x10}, 0xc, &(0x7f00000001c0)={&(0x7f0000000080)=@updpolicy={0xb8, 0x14, 0x407, 0x0, 0x0, {{@in=@loopback=0x7f000001, @in6=@ipv4={[0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xf0ffffffffffff], [0xff, 0xff], @dev={0xac, 0x14, 0x14}}, 0x0, 0x0, 0x0, 0x0, 0x2}}}, 0xb8}, 0x1}, 0x0) 03:40:07 executing program 0: perf_event_open(&(0x7f0000000180)={0x2, 0x70, 0x3e5}, 0x0, 0x0, 0xffffffffffffffff, 0x0) r0 = socket$inet_udp(0x2, 0x2, 0x0) sendto$inet(r0, &(0x7f0000000000), 0x0, 0x400c000, &(0x7f000083b000)={0x2, 0x4e20}, 0x10) r1 = syz_open_procfs(0x0, &(0x7f0000000080)='net/udp\x00') sendfile(r0, r1, &(0x7f0000000000), 0xff) getsockopt$inet_sctp6_SCTP_STATUS(r1, 0x84, 0xe, &(0x7f00000000c0)={0x0, 0x101, 0x3, 0x100000001, 0x0, 0x6, 0xff, 0x9, {0x0, @in6={{0xa, 0x4e23, 0x3, @loopback={0x0, 0x1}}}, 0xb073, 0x7, 0x5, 0x7fffffff, 0x9}}, &(0x7f0000000040)=0xb0) setsockopt$inet_sctp_SCTP_PRIMARY_ADDR(r1, 0x84, 0x6, &(0x7f0000000200)={r2, @in6={{0xa, 0x4e21, 0x8000, @mcast1={0xff, 0x1, [], 0x1}, 0xfffffffffffffffd}}}, 0x84) [ 1509.281233] BTRFS error (device loop2): open_ctree failed [ 1509.349397] BTRFS error (device loop1): superblock checksum mismatch [ 1509.371075] BTRFS error (device loop1): open_ctree failed [ 1509.409129] BTRFS error (device loop2): unsupported checksum algorithm 3786 [ 1509.416308] BTRFS error (device loop2): superblock checksum mismatch [ 1509.423698] BTRFS error (device loop2): open_ctree failed 03:40:08 executing program 5: r0 = syz_open_dev$sndseq(&(0x7f0000dcc000)='/dev/snd/seq\x00', 0x0, 0x0) read(r0, &(0x7f0000000280)=""/28, 0x58) ioctl$SNDRV_SEQ_IOCTL_CREATE_PORT(r0, 0xc0a85320, &(0x7f0000418f50)={{0x80}, "0a4ceaa05d9a00000000000000039b3fd4cec307e8ef3d13eb790ec9c65abaf90d229db692542e5b78f8b29e0a27800f0000000000000009fb42f376589701a4", 0xa9824f69d1376637, 0x10800a}) ioctl$SNDRV_SEQ_IOCTL_REMOVE_EVENTS(r0, 0x4040534e, &(0x7f000019ffe9)={0xc1}) ioctl$SNDRV_SEQ_IOCTL_SET_PORT_INFO(r0, 0x5451, &(0x7f0000000080)={{0x80}, 'port1\x00'}) ioctl$SNDRV_SEQ_IOCTL_SUBSCRIBE_PORT(r0, 0x40505330, &(0x7f0000000140)) openat$sequencer2(0xffffffffffffff9c, &(0x7f0000000040)='/dev/sequencer2\x00', 0x0, 0x0) 03:40:08 executing program 1: r0 = socket$inet6(0xa, 0x1000000000002, 0x0) ioctl(r0, 0x8912, &(0x7f0000000280)="025cc83d6d345f8f762070") syz_mount_image$btrfs(&(0x7f0000000080)='btrfs\x00', &(0x7f0000000100)='./file0\x00', 0x0, 0x1, &(0x7f0000000200)=[{&(0x7f0000000500)="8da4363a0000000000c0ffff0000004d01000000000000000000000000000000ecf6f2a2299748aeb81e1b00920efd9a000001000000000001000000000000005f42485266535f4dd2f873574f257e0a01e2a6a02f5e071383fa5a669a53f2fe9eb4eb7918628af41b", 0x69, 0x10000}], 0x0, &(0x7f0000000240)) 03:40:08 executing program 6: r0 = perf_event_open(&(0x7f0000000180)={0x2, 0x70, 0x3e5}, 0x0, 0x0, 0xffffffffffffffff, 0x0) syz_open_dev$vcsn(&(0x7f0000000140)='/dev/vcs#\x00', 0x2, 0x50000) openat$uinput(0xffffffffffffff9c, &(0x7f00000000c0)='/dev/uinput\x00', 0x10000, 0x0) fcntl$dupfd(r0, 0x0, r0) r1 = openat$sequencer2(0xffffffffffffff9c, &(0x7f0000000100)='/dev/sequencer2\x00', 0x40000, 0x0) ioctl$KVM_CREATE_VM(r1, 0xae01, 0x0) pipe2$9p(&(0x7f0000000000)={0xffffffffffffffff, 0xffffffffffffffff}, 0x0) write$P9_RLERRORu(r3, &(0x7f0000000080)=ANY=[@ANYBLOB="1400000700"], 0x9) mkdir(&(0x7f0000000440)='./file0\x00', 0x0) mount$9p_fd(0x0, &(0x7f00000005c0)='./file0\x00', &(0x7f0000000600)='9p\x00', 0x0, &(0x7f0000000640)={'trans=fd,', {'rfdno', 0x3d, r2}, 0x2c, {'wfdno', 0x3d, r3}, 0x2c, {[{@version_9p2000='version=9p2000', 0x2c}]}}) 03:40:08 executing program 7: sendmsg$IPVS_CMD_FLUSH(0xffffffffffffffff, &(0x7f0000000340)={&(0x7f0000000100)={0x10}, 0xc, &(0x7f00000002c0)={&(0x7f00000001c0)=ANY=[@ANYBLOB='P\x00\x00\x00', @ANYBLOB="00000000000000000000110000002800030014000200697064647030000000000000000000000800040000000000080001000000000014000100080009000000000008005f50e2470000"], 0x2}, 0x1}, 0x0) r0 = socket$nl_generic(0x10, 0x3, 0x10) sendmsg$nl_generic(r0, &(0x7f00003cefe4)={&(0x7f0000000300)={0x10, 0x36200}, 0xc, &(0x7f0000007ff0)={&(0x7f0000000180)={0xffce, 0x2e, 0x6fd, 0x0, 0x0, {0x2004}, [@nested={0xc, 0x0, [@typed={0x62, 0x9, @ipv4}]}]}, 0xffce}, 0x1, 0x0, 0x0, 0xf}, 0x0) 03:40:08 executing program 4: r0 = socket$nl_xfrm(0x10, 0x3, 0x6) sendmsg$nl_xfrm(r0, &(0x7f0000000400)={&(0x7f0000000040)={0x10}, 0xc, &(0x7f00000001c0)={&(0x7f0000000080)=@updpolicy={0xb8, 0x14, 0x407, 0x0, 0x0, {{@in=@loopback=0x7f000001, @in6=@ipv4={[0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1000000], [0xff, 0xff], @dev={0xac, 0x14, 0x14}}, 0x0, 0x0, 0x0, 0x0, 0x2}}}, 0xb8}, 0x1}, 0x0) 03:40:08 executing program 0: perf_event_open(&(0x7f0000000180)={0x2, 0x70, 0x3e5}, 0x0, 0x0, 0xffffffffffffffff, 0x0) r0 = socket$inet_udp(0x2, 0x2, 0x0) sendto$inet(r0, &(0x7f0000000000), 0x0, 0x400c000, &(0x7f000083b000)={0x2, 0x4e20}, 0x10) r1 = syz_open_procfs(0x0, &(0x7f0000000080)='net/udp\x00') ioctl$SNDRV_CTL_IOCTL_ELEM_READ(r1, 0xc4c85512, &(0x7f0000000200)={{0xa, 0x7, 0x1, 0x9, '\x00', 0x7}, 0x0, [0x7000000000000000, 0x4, 0x3, 0x100, 0xcff, 0x800, 0x1, 0x7fffffff, 0x8, 0x3, 0x7, 0x5, 0x69, 0xe8, 0xd9, 0x5, 0x5051cafa, 0x7, 0x6, 0xd36, 0x3, 0x7, 0x0, 0x21a, 0x12, 0x1, 0x400, 0x0, 0x5, 0x7fffffff, 0x8, 0x6c0a, 0xa19, 0xfbea, 0x5, 0x1ff, 0x0, 0x6, 0x7, 0x80, 0x4, 0x40, 0x5, 0xa76, 0x200, 0xffffffffffffffff, 0x9, 0x2, 0x3, 0x6, 0x1, 0x5, 0x1, 0x1, 0x3, 0x8000, 0x8, 0x0, 0x3, 0x7, 0x3, 0x6, 0x5, 0x8, 0x1000, 0xef41, 0x8, 0x1, 0x9, 0x8, 0x7, 0xbdad, 0x3, 0x2, 0x2, 0x20, 0x54, 0x4, 0xfffffffffffffffd, 0x2, 0xfffffffffffffffa, 0x80000000, 0x3ff, 0x0, 0x8, 0xfffffffffffffeff, 0xd8, 0x0, 0x200, 0x1ff, 0x8000, 0x8dde, 0x5, 0x4, 0x2, 0xffffffff, 0x1, 0x4, 0xffffffffffffffff, 0x10001, 0x7fffffff, 0xff, 0x3, 0x97c, 0x4b4, 0xfff, 0x8, 0x1f21, 0xffffffffffffe267, 0x9d5e, 0x1, 0x4, 0x4, 0x497, 0x800, 0x40, 0x20, 0xffffffff7fffffff, 0x200, 0x81, 0x5, 0x8ca, 0x2, 0x4, 0x3, 0x7, 0x7900000000000], {0x77359400}}) sendfile(r0, r1, &(0x7f0000000000), 0xff) 03:40:08 executing program 2: r0 = socket$inet6(0xa, 0x1000000000002, 0x0) ioctl(r0, 0x8912, &(0x7f0000000280)="025cc83d6d345f8f762070") syz_mount_image$btrfs(&(0x7f0000000080)='btrfs\x00', &(0x7f0000000100)='./file0\x00', 0x0, 0x1, &(0x7f0000000200)=[{&(0x7f0000000500)="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", 0x116, 0x10000}], 0x0, &(0x7f0000000240)) 03:40:08 executing program 3: r0 = socket$inet(0x2, 0x4000000000000001, 0x0) setsockopt$inet_tcp_TCP_CONGESTION(r0, 0x6, 0xd, &(0x7f0000000140)='nv\x00', 0x3) sendto$inet(r0, &(0x7f0000a88f88), 0xfffffffffffffe6e, 0x20000000, &(0x7f0000e68000)={0x2, 0x0, @local={0xac, 0x14, 0x14, 0xaa}, [0x0, 0x0, 0x240]}, 0x10) shutdown(r0, 0x0) 03:40:08 executing program 4: r0 = socket$nl_xfrm(0x10, 0x3, 0x6) sendmsg$nl_xfrm(r0, &(0x7f0000000400)={&(0x7f0000000040)={0x10}, 0xc, &(0x7f00000001c0)={&(0x7f0000000080)=@updpolicy={0xb8, 0x14, 0x407, 0x0, 0x0, {{@in=@loopback=0x7f000001, @in6=@ipv4={[0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xf000000], [0xff, 0xff], @dev={0xac, 0x14, 0x14}}, 0x0, 0x0, 0x0, 0x0, 0x2}}}, 0xb8}, 0x1}, 0x0) 03:40:08 executing program 0: perf_event_open(&(0x7f0000000180)={0x2, 0x70, 0x3e5, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x7}, 0x0, 0x0, 0xffffffffffffffff, 0x0) r0 = socket$inet_udp(0x2, 0x2, 0x0) r1 = openat$pfkey(0xffffffffffffff9c, &(0x7f0000000040)='/proc/self/net/pfkey\x00', 0x0, 0x0) ioctl$SG_SET_TIMEOUT(r1, 0x2201, &(0x7f00000000c0)=0x101) sendto$inet(r0, &(0x7f0000000000), 0x0, 0x400c000, &(0x7f000083b000)={0x2, 0x4e20}, 0x10) r2 = getpid() r3 = syz_open_procfs(r2, &(0x7f0000000080)='net/udp\x00') sendfile(r0, r3, &(0x7f0000000000), 0xff) ioctl$KVM_IRQFD(r1, 0x4020ae76, &(0x7f0000000100)={r3, 0x1f, 0x401, r1}) mknod(&(0x7f0000000140)='./file0\x00', 0xe188, 0x8) 03:40:08 executing program 7: sendmsg$IPVS_CMD_FLUSH(0xffffffffffffffff, &(0x7f0000000340)={&(0x7f0000000100)={0x10}, 0xc, &(0x7f00000002c0)={&(0x7f00000001c0)=ANY=[@ANYBLOB='P\x00\x00\x00', @ANYBLOB="00000000000000000000110000002800030014000200697064647030000000000000000000000800040000000000080001000000000014000100080009000000000008005f50e2470000"], 0x2}, 0x1}, 0x0) r0 = socket$nl_generic(0x10, 0x3, 0x10) sendmsg$nl_generic(r0, &(0x7f00003cefe4)={&(0x7f0000000300)={0x10, 0x36200}, 0xc, &(0x7f0000007ff0)={&(0x7f0000000180)={0xffce, 0x2e, 0x6fd, 0x0, 0x0, {0x2004}, [@nested={0xc, 0x0, [@typed={0x62, 0x9, @ipv4}]}]}, 0xffce}, 0x1, 0x0, 0x0, 0x6c00000000000000}, 0x0) 03:40:08 executing program 6: mmap(&(0x7f0000000000/0x3000)=nil, 0x3000, 0xfffffffffffffffd, 0x10031, 0xffffffffffffffff, 0x0) r0 = socket$inet6_tcp(0xa, 0x1, 0x0) getsockopt$inet6_tcp_TCP_ZEROCOPY_RECEIVE(r0, 0x6, 0x23, &(0x7f0000000000)={&(0x7f0000ff9000/0x4000)=nil, 0x4000}, &(0x7f0000000040)=0x10) r1 = perf_event_open(&(0x7f0000000180)={0x2, 0x70, 0x3e5}, 0x0, 0x0, 0xffffffffffffffff, 0x0) openat$sequencer2(0xffffffffffffff9c, &(0x7f00000000c0)='/dev/sequencer2\x00', 0x4000, 0x0) dup2(r1, r0) syz_open_dev$usbmon(&(0x7f0000000100)='/dev/usbmon#\x00', 0x9, 0x40000) openat$sequencer(0xffffffffffffff9c, &(0x7f0000000140)='/dev/sequencer\x00', 0x50400, 0x0) dup(r0) syz_open_dev$sndpcmp(&(0x7f0000000200)='/dev/snd/pcmC#D#p\x00', 0x84b6, 0x8000) dup3(0xffffffffffffff9c, r1, 0x80000) r2 = fcntl$dupfd(r1, 0x406, r0) ioctl$KVM_CREATE_VM(r2, 0xae01, 0x0) pipe2$9p(&(0x7f0000000000)={0xffffffffffffffff, 0xffffffffffffffff}, 0x0) write$P9_RLERRORu(r4, &(0x7f0000000080)=ANY=[@ANYBLOB="1400000007ffff0700"], 0x9) mkdir(&(0x7f0000000440)='./file0\x00', 0x0) mount$9p_fd(0x0, &(0x7f00000005c0)='./file0\x00', &(0x7f0000000600)='9p\x00', 0x0, &(0x7f0000000240)=ANY=[@ANYBLOB="747268806a616e733d66642c7266646e6f3d", @ANYRESHEX=r3, @ANYBLOB=',wfdno=', @ANYRESHEX=r4, @ANYBLOB=',version=9p2000,\x00']) [ 1510.183627] BTRFS error (device loop1): superblock checksum mismatch [ 1510.204006] BTRFS error (device loop1): open_ctree failed [ 1510.226405] BTRFS error (device loop1): superblock checksum mismatch 03:40:08 executing program 4: r0 = socket$nl_xfrm(0x10, 0x3, 0x6) sendmsg$nl_xfrm(r0, &(0x7f0000000400)={&(0x7f0000000040)={0x10}, 0xc, &(0x7f00000001c0)={&(0x7f0000000080)=@updpolicy={0xb8, 0x14, 0x407, 0x0, 0x0, {{@in=@loopback=0x7f000001, @in6=@ipv4={[0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xf000], [0xff, 0xff], @dev={0xac, 0x14, 0x14}}, 0x0, 0x0, 0x0, 0x0, 0x2}}}, 0xb8}, 0x1}, 0x0) 03:40:08 executing program 0: r0 = perf_event_open(&(0x7f0000000180)={0x2, 0x70, 0x3e5}, 0x0, 0x0, 0xffffffffffffffff, 0x0) r1 = socket$inet_udp(0x2, 0x2, 0x0) sendto$inet(r1, &(0x7f0000000000), 0x0, 0x400c000, &(0x7f000083b000)={0x2, 0x4e20}, 0x10) ioctl$VHOST_SET_VRING_ENDIAN(r0, 0x4008af13, &(0x7f0000000080)={0x3, 0x11}) r2 = syz_open_procfs(0x0, &(0x7f00000000c0)="0000000000000021e301000000000000009eebd516981a3ff44bd8686c7f2225ed2ffeca") sendfile(r1, r2, &(0x7f0000000000), 0xff) sendto$inet(r2, &(0x7f0000000040)="68ceea6121a29977f3", 0x9, 0x8000, 0x0, 0x0) 03:40:08 executing program 1: r0 = socket$inet6(0xa, 0x1000000000002, 0x0) ioctl(r0, 0x8912, &(0x7f0000000280)="025cc83d6d345f8f762070") syz_mount_image$btrfs(&(0x7f0000000080)='btrfs\x00', &(0x7f0000000100)='./file0\x00', 0x0, 0x1, &(0x7f0000000200)=[{&(0x7f0000000500)="8da4363a00000000231501000000004d01000000000000000000000000000000ecf6f2a2299748aeb81e1b00920efd9a000001000000000001000000000000005f42485266535f4dd2f873574f257e0a01e2a6a02f5e071383fa5a669a53f2fe9eb4eb7918628af41b", 0x69, 0x10000}], 0x0, &(0x7f0000000240)) [ 1510.248509] BTRFS error (device loop1): open_ctree failed 03:40:08 executing program 7: sendmsg$IPVS_CMD_FLUSH(0xffffffffffffffff, &(0x7f0000000340)={&(0x7f0000000100)={0x10}, 0xc, &(0x7f00000002c0)={&(0x7f00000001c0)=ANY=[@ANYBLOB='P\x00\x00\x00', @ANYBLOB="00000000000000000000110000002800030014000200697064647030000000000000000000000800040000000000080001000000000014000100080009000000000008005f50e2470000"], 0x2}, 0x1}, 0x0) r0 = socket$nl_generic(0x10, 0x3, 0x10) sendmsg$nl_generic(r0, &(0x7f00003cefe4)={&(0x7f0000000300)={0x10, 0x36200}, 0xc, &(0x7f0000007ff0)={&(0x7f0000000180)={0xffce, 0x2e, 0x6fd, 0x0, 0x0, {0x2004}, [@nested={0xc, 0x0, [@typed={0x62, 0x9, @ipv4}]}]}, 0xffce}, 0x1, 0x0, 0x0, 0xf0ffffffffffff}, 0x0) [ 1510.292935] BTRFS error (device loop2): unsupported checksum algorithm 3786 [ 1510.300141] BTRFS error (device loop2): superblock checksum mismatch [ 1510.340367] BTRFS error (device loop2): open_ctree failed [ 1510.354496] BTRFS error (device loop2): unsupported checksum algorithm 3786 [ 1510.361662] BTRFS error (device loop2): superblock checksum mismatch [ 1510.377414] BTRFS error (device loop2): open_ctree failed 03:40:09 executing program 5: r0 = syz_open_dev$sndseq(&(0x7f0000dcc000)='/dev/snd/seq\x00', 0x0, 0x0) read(r0, &(0x7f0000000280)=""/28, 0x58) ioctl$SNDRV_SEQ_IOCTL_CREATE_PORT(r0, 0xc0a85320, &(0x7f0000418f50)={{0x80}, "0a4ceaa05d9a00000000000000039b3fd4cec307e8ef3d13eb790ec9c65abaf90d229db692542e5b78f8b29e0a27800f0000000000000009fb42f376589701a4", 0xa9824f69d1376637, 0x10800a}) ioctl$SNDRV_SEQ_IOCTL_REMOVE_EVENTS(r0, 0x4040534e, &(0x7f000019ffe9)={0xc1}) ioctl$SNDRV_SEQ_IOCTL_SET_PORT_INFO(r0, 0xc020660b, &(0x7f0000000080)={{0x80}, 'port1\x00'}) ioctl$SNDRV_SEQ_IOCTL_SUBSCRIBE_PORT(r0, 0x40505330, &(0x7f0000000140)) openat$sequencer2(0xffffffffffffff9c, &(0x7f0000000040)='/dev/sequencer2\x00', 0x0, 0x0) 03:40:09 executing program 4: r0 = socket$nl_xfrm(0x10, 0x3, 0x6) sendmsg$nl_xfrm(r0, &(0x7f0000000400)={&(0x7f0000000040)={0x10}, 0xc, &(0x7f00000001c0)={&(0x7f0000000080)=@updpolicy={0xb8, 0x14, 0x407, 0x0, 0x0, {{@in=@loopback=0x7f000001, @in6=@ipv4={[0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x3], [0xff, 0xff], @dev={0xac, 0x14, 0x14}}, 0x0, 0x0, 0x0, 0x0, 0x2}}}, 0xb8}, 0x1}, 0x0) 03:40:09 executing program 0: perf_event_open(&(0x7f0000000180)={0x2, 0x70, 0x3e5}, 0x0, 0x0, 0xffffffffffffffff, 0x0) r0 = socket$inet_udp(0x2, 0x2, 0x0) sendto$inet(r0, &(0x7f0000000000), 0x0, 0x400c000, &(0x7f000083b000)={0x2, 0x4e20}, 0x10) r1 = getpgid(0x0) r2 = syz_open_procfs(r1, &(0x7f0000000080)='net/udp\x00') sendfile(r0, r2, &(0x7f0000000000), 0xff) 03:40:09 executing program 6: perf_event_open(&(0x7f0000000180)={0x2, 0x70, 0x3e5}, 0x0, 0x0, 0xffffffffffffffff, 0x0) ioctl$KVM_CREATE_VM(0xffffffffffffffff, 0xae01, 0x0) pipe2$9p(&(0x7f0000000000)={0xffffffffffffffff, 0xffffffffffffffff}, 0x0) write$P9_RLERRORu(r1, &(0x7f0000000080)=ANY=[@ANYBLOB="1400000007ffff0700"], 0x9) mkdir(&(0x7f0000000440)='./file0\x00', 0x0) mount$9p_fd(0x0, &(0x7f00000005c0)='./file0\x00', &(0x7f0000000600)='9p\x00', 0x0, &(0x7f0000000640)=ANY=[@ANYBLOB='trans=fd,rfdno=', @ANYRESHEX=r0, @ANYBLOB=',wfdno=', @ANYRESHEX=r1, @ANYBLOB=',vbrsion=9p2000,\x00']) write$P9_RLOCK(r1, &(0x7f0000000040)={0x8, 0x35, 0x1}, 0x8) 03:40:09 executing program 7: sendmsg$IPVS_CMD_FLUSH(0xffffffffffffffff, &(0x7f0000000340)={&(0x7f0000000100)={0x10}, 0xc, &(0x7f00000002c0)={&(0x7f00000001c0)=ANY=[@ANYBLOB='P\x00\x00\x00', @ANYBLOB="00000000000000000000110000002800030014000200697064647030000000000000000000000800040000000000080001000000000014000100080009000000000008005f50e2470000"], 0x2}, 0x1}, 0x0) r0 = socket$nl_generic(0x10, 0x3, 0x10) sendmsg$nl_generic(r0, &(0x7f00003cefe4)={&(0x7f0000000300)={0x10, 0x36200}, 0xc, &(0x7f0000007ff0)={&(0x7f0000000180)={0xffce, 0x2e, 0x6fd, 0x0, 0x0, {0x2004}, [@nested={0xc, 0x0, [@typed={0x62, 0x9, @ipv4}]}]}, 0xffce}, 0x1, 0x0, 0x0, 0x7a00}, 0x0) 03:40:09 executing program 2: r0 = socket$inet6(0xa, 0x1000000000002, 0x0) ioctl(r0, 0x8912, &(0x7f0000000280)="025cc83d6d345f8f762070") syz_mount_image$btrfs(&(0x7f0000000080)='btrfs\x00', &(0x7f0000000100)='./file0\x00', 0x0, 0x1, &(0x7f0000000200)=[{&(0x7f0000000500)="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", 0x116, 0x10000}], 0x0, &(0x7f0000000240)) 03:40:09 executing program 1: r0 = socket$inet6(0xa, 0x1000000000002, 0x0) ioctl(r0, 0x8912, &(0x7f0000000280)="025cc83d6d345f8f762070") syz_mount_image$btrfs(&(0x7f0000000080)='btrfs\x00', &(0x7f0000000100)='./file0\x00', 0x0, 0x1, &(0x7f0000000200)=[{&(0x7f0000000500)="8da4363a00000000f20300000000004d01000000000000000000000000000000ecf6f2a2299748aeb81e1b00920efd9a000001000000000001000000000000005f42485266535f4dd2f873574f257e0a01e2a6a02f5e071383fa5a669a53f2fe9eb4eb7918628af41b", 0x69, 0x10000}], 0x0, &(0x7f0000000240)) 03:40:09 executing program 3: r0 = socket$inet(0x2, 0x4000000000000001, 0x0) setsockopt$inet_tcp_TCP_CONGESTION(r0, 0x6, 0xd, &(0x7f0000000140)='nv\x00', 0x3) sendto$inet(r0, &(0x7f0000a88f88), 0xfffffffffffffe6e, 0x20000000, &(0x7f0000e68000)={0x2, 0x0, @local={0xac, 0x14, 0x14, 0xaa}, [0x0, 0x0, 0x5000000000000]}, 0x10) shutdown(r0, 0x0) 03:40:09 executing program 7: sendmsg$IPVS_CMD_FLUSH(0xffffffffffffffff, &(0x7f0000000340)={&(0x7f0000000100)={0x10}, 0xc, &(0x7f00000002c0)={&(0x7f00000001c0)=ANY=[@ANYBLOB='P\x00\x00\x00', @ANYBLOB="00000000000000000000110000002800030014000200697064647030000000000000000000000800040000000000080001000000000014000100080009000000000008005f50e2470000"], 0x2}, 0x1}, 0x0) r0 = socket$nl_generic(0x10, 0x3, 0x10) sendmsg$nl_generic(r0, &(0x7f00003cefe4)={&(0x7f0000000300)={0x10, 0x36200}, 0xc, &(0x7f0000007ff0)={&(0x7f0000000180)={0xffce, 0x2e, 0x6fd, 0x0, 0x0, {0x2004}, [@nested={0xc, 0x0, [@typed={0x62, 0x9, @ipv4}]}]}, 0xffce}, 0x1, 0x0, 0x0, 0x7400}, 0x0) 03:40:09 executing program 0: r0 = perf_event_open(&(0x7f0000000180)={0x2, 0x70, 0x3e5}, 0x0, 0x0, 0xffffffffffffffff, 0x0) ioctl(r0, 0x1, &(0x7f0000000200)="48e41f77a0fcd6d587e6130e0f4c3da9f1345739877fa49030a2c4f78a0a5e81ec6fc88e0e834379eb18636529a6bb7c3e24399b9460e4f95d9585cd0f4d142598be407e2f0f6e21302aba470e97aed6576866433bfb3400682a88a05a77abd219b26271a5ec9c1bfd16876269cdfabfbd881d27e7b42c6e28bb0c927883e6cfa3af77d687d0e1001b3e74453e4017c5cf6e0f78952756e2a2767b40645e8b9d186cd47e6967791aa236bd639cd8157fd0239da2b03b17e3ea264069e6c42be19747631f720e6af4967afce6d65d6e519ab5c36c160a70927f8aac70f123be6491923b") r1 = socket$inet_udp(0x2, 0x2, 0x0) sendto$inet(r1, &(0x7f0000000000), 0x0, 0x400c000, &(0x7f000083b000)={0x2, 0x4e20}, 0x10) r2 = syz_open_procfs(0x0, &(0x7f0000000080)='net/udp\x00') sendfile(r1, r2, &(0x7f0000000040), 0xff) 03:40:09 executing program 4: r0 = socket$nl_xfrm(0x10, 0x3, 0x6) sendmsg$nl_xfrm(r0, &(0x7f0000000400)={&(0x7f0000000040)={0x10}, 0xc, &(0x7f00000001c0)={&(0x7f0000000080)=@updpolicy={0xb8, 0x14, 0x407, 0x0, 0x0, {{@in=@loopback=0x7f000001, @in6=@ipv4={[0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x2], [0xff, 0xff], @dev={0xac, 0x14, 0x14}}, 0x0, 0x0, 0x0, 0x0, 0x2}}}, 0xb8}, 0x1}, 0x0) 03:40:09 executing program 6: perf_event_open(&(0x7f0000000180)={0x2, 0x70, 0x3e5}, 0x0, 0x0, 0xffffffffffffffff, 0x0) ioctl$KVM_CREATE_VM(0xffffffffffffffff, 0xae01, 0x0) pipe2$9p(&(0x7f0000000000)={0xffffffffffffffff, 0xffffffffffffffff}, 0x0) r2 = openat$audio(0xffffffffffffff9c, &(0x7f0000000100)='/dev/audio\x00', 0x2000, 0x0) ioctl$SG_SET_DEBUG(r2, 0x227e, &(0x7f0000000200)=0x1) ioctl$SIOCGIFHWADDR(r2, 0x8927, &(0x7f0000000140)) write$P9_RLERRORu(r1, &(0x7f0000000080)=ANY=[@ANYBLOB="1400000007ffff0700"], 0x9) r3 = syz_open_dev$vcsn(&(0x7f0000000040)='/dev/vcs#\x00', 0x9, 0x0) ioctl$TUNSETVNETHDRSZ(r3, 0x400454d8, &(0x7f00000000c0)=0xff) mkdir(&(0x7f0000000440)='./file0\x00', 0x0) mount$9p_fd(0x0, &(0x7f00000005c0)='./file0\x00', &(0x7f0000000600)='9p\x00', 0x0, &(0x7f0000000640)={'trans=fd,', {'rfdno', 0x3d, r0}, 0x2c, {'wfdno', 0x3d, r1}, 0x2c, {[{@version_9p2000='version=9p2000', 0x2c}]}}) [ 1511.245123] BTRFS error (device loop1): superblock checksum mismatch [ 1511.269518] BTRFS error (device loop1): open_ctree failed [ 1511.287394] BTRFS error (device loop1): superblock checksum mismatch 03:40:09 executing program 7: sendmsg$IPVS_CMD_FLUSH(0xffffffffffffffff, &(0x7f0000000340)={&(0x7f0000000100)={0x10}, 0xc, &(0x7f00000002c0)={&(0x7f00000001c0)=ANY=[@ANYBLOB='P\x00\x00\x00', @ANYBLOB="00000000000000000000110000002800030014000200697064647030000000000000000000000800040000000000080001000000000014000100080009000000000008005f50e2470000"], 0x2}, 0x1}, 0x0) r0 = socket$nl_generic(0x10, 0x3, 0x10) sendmsg$nl_generic(r0, &(0x7f00003cefe4)={&(0x7f0000000300)={0x10, 0x36200}, 0xc, &(0x7f0000007ff0)={&(0x7f0000000180)={0xffce, 0x2e, 0x6fd, 0x0, 0x0, {0x2004}, [@nested={0xc, 0x0, [@typed={0x62, 0x9, @ipv4}]}]}, 0xffce}, 0x1, 0x0, 0x0, 0x9}, 0x0) 03:40:09 executing program 1: r0 = socket$inet6(0xa, 0x1000000000002, 0x0) ioctl(r0, 0x8912, &(0x7f0000000280)="025cc83d6d345f8f762070") syz_mount_image$btrfs(&(0x7f0000000080)='btrfs\x00', &(0x7f0000000100)='./file0\x00', 0x0, 0x1, &(0x7f0000000200)=[{&(0x7f0000000500)="8da4363a000000000000006c0000004d01000000000000000000000000000000ecf6f2a2299748aeb81e1b00920efd9a000001000000000001000000000000005f42485266535f4dd2f873574f257e0a01e2a6a02f5e071383fa5a669a53f2fe9eb4eb7918628af41b", 0x69, 0x10000}], 0x0, &(0x7f0000000240)) 03:40:09 executing program 4: r0 = socket$nl_xfrm(0x10, 0x3, 0x6) sendmsg$nl_xfrm(r0, &(0x7f0000000400)={&(0x7f0000000040)={0x10}, 0xc, &(0x7f00000001c0)={&(0x7f0000000080)=@updpolicy={0xb8, 0x14, 0x407, 0x0, 0x0, {{@in=@loopback=0x7f000001, @in6=@ipv4={[0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x300000000000000], [0xff, 0xff], @dev={0xac, 0x14, 0x14}}, 0x0, 0x0, 0x0, 0x0, 0x2}}}, 0xb8}, 0x1}, 0x0) 03:40:09 executing program 0: perf_event_open(&(0x7f0000000180)={0x2, 0x70, 0x3e5}, 0x0, 0x0, 0xffffffffffffffff, 0x0) r0 = socket$inet_udp(0x2, 0x2, 0x0) sendto$inet(r0, &(0x7f0000000000), 0x0, 0x400c000, &(0x7f000083b000)={0x2, 0x4e20}, 0x10) r1 = syz_open_dev$sndpcmp(&(0x7f0000000140)='/dev/snd/pcmC#D#p\x00', 0x2, 0x0) getsockopt$inet_sctp_SCTP_RECVNXTINFO(r1, 0x84, 0x21, &(0x7f0000000200), &(0x7f00000000c0)=0x4) fcntl$getownex(r1, 0x10, &(0x7f0000000100)={0x0, 0x0}) r3 = syz_open_procfs(r2, &(0x7f0000000040)='clear_refs\x00') sendfile(r0, r3, &(0x7f0000000000), 0xff) [ 1511.313969] BTRFS error (device loop1): open_ctree failed [ 1511.324959] 9pnet: p9_errstr2errno: server reported unknown error  [ 1511.361097] 9pnet: p9_errstr2errno: server reported unknown error  [ 1511.367170] BTRFS error (device loop2): unsupported checksum algorithm 3786 [ 1511.374761] BTRFS error (device loop2): superblock checksum mismatch [ 1511.419152] BTRFS error (device loop2): open_ctree failed [ 1511.430388] BTRFS error (device loop2): unsupported checksum algorithm 3786 [ 1511.437662] BTRFS error (device loop2): superblock checksum mismatch [ 1511.462017] BTRFS error (device loop2): open_ctree failed 03:40:10 executing program 5: r0 = syz_open_dev$sndseq(&(0x7f0000dcc000)='/dev/snd/seq\x00', 0x0, 0x0) read(r0, &(0x7f0000000280)=""/28, 0x58) ioctl$SNDRV_SEQ_IOCTL_CREATE_PORT(r0, 0xc0a85320, &(0x7f0000418f50)={{0x80}, "0a4ceaa05d9a00000000000000039b3fd4cec307e8ef3d13eb790ec9c65abaf90d229db692542e5b78f8b29e0a27800f0000000000000009fb42f376589701a4", 0xa9824f69d1376637, 0x10800a}) ioctl$SNDRV_SEQ_IOCTL_REMOVE_EVENTS(r0, 0x4040534e, &(0x7f000019ffe9)={0xc1}) ioctl$SNDRV_SEQ_IOCTL_SET_PORT_INFO(r0, 0xc0045877, &(0x7f0000000080)={{0x80}, 'port1\x00'}) ioctl$SNDRV_SEQ_IOCTL_SUBSCRIBE_PORT(r0, 0x40505330, &(0x7f0000000140)) openat$sequencer2(0xffffffffffffff9c, &(0x7f0000000040)='/dev/sequencer2\x00', 0x0, 0x0) 03:40:10 executing program 7: sendmsg$IPVS_CMD_FLUSH(0xffffffffffffffff, &(0x7f0000000340)={&(0x7f0000000100)={0x10}, 0xc, &(0x7f00000002c0)={&(0x7f00000001c0)=ANY=[@ANYBLOB='P\x00\x00\x00', @ANYBLOB="00000000000000000000110000002800030014000200697064647030000000000000000000000800040000000000080001000000000014000100080009000000000008005f50e2470000"], 0x2}, 0x1}, 0x0) r0 = socket$nl_generic(0x10, 0x3, 0x10) sendmsg$nl_generic(r0, &(0x7f00003cefe4)={&(0x7f0000000300)={0x10, 0x36200}, 0xc, &(0x7f0000007ff0)={&(0x7f0000000180)={0xffce, 0x2e, 0x6fd, 0x0, 0x0, {0x2004}, [@nested={0xc, 0x0, [@typed={0x62, 0x9, @ipv4}]}]}, 0xffce}, 0x1, 0x0, 0x0, 0x34000}, 0x0) 03:40:10 executing program 6: perf_event_open(&(0x7f0000000180)={0x2, 0x70, 0x3e5}, 0x0, 0x0, 0xffffffffffffffff, 0x0) ioctl$KVM_CREATE_VM(0xffffffffffffffff, 0xae01, 0x0) pipe2$9p(&(0x7f0000000000)={0xffffffffffffffff, 0xffffffffffffffff}, 0x0) write$P9_RLERRORu(r1, &(0x7f0000000080)=ANY=[@ANYBLOB="1400000007ffff0700"], 0x9) write$P9_RLERRORu(r1, &(0x7f0000000040)={0xd, 0x7, 0x2, {{}, 0xfffb}}, 0xfead) mkdir(&(0x7f0000000440)='./file0\x00', 0x0) mount$9p_fd(0x0, &(0x7f00000005c0)='./file0\x00', &(0x7f0000000600)='9p\x00', 0x0, &(0x7f0000000640)={'trans=fd,', {'rfdno', 0x3d, r0}, 0x2c, {'wfdno', 0x3d, r1}, 0x2c, {[{@version_9p2000='version=9p2000', 0x2c}]}}) 03:40:10 executing program 4: r0 = socket$nl_xfrm(0x10, 0x3, 0x6) sendmsg$nl_xfrm(r0, &(0x7f0000000400)={&(0x7f0000000040)={0x10}, 0xc, &(0x7f00000001c0)={&(0x7f0000000080)=@updpolicy={0xb8, 0x14, 0x407, 0x0, 0x0, {{@in=@loopback=0x7f000001, @in6=@ipv4={[0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x3723000000000000], [0xff, 0xff], @dev={0xac, 0x14, 0x14}}, 0x0, 0x0, 0x0, 0x0, 0x2}}}, 0xb8}, 0x1}, 0x0) 03:40:10 executing program 0: r0 = getpgid(0xffffffffffffffff) r1 = perf_event_open(&(0x7f0000000180)={0x2, 0x70, 0x2, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x50, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x5, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp, 0x2}, r0, 0x0, 0xffffffffffffffff, 0x0) r2 = socket$inet_udp(0x2, 0x2, 0x0) ioctl$sock_inet_SIOCGIFBRDADDR(r2, 0x8919, &(0x7f00000000c0)={'veth0\x00', {0x2, 0x4e20, @dev={0xac, 0x14, 0x14, 0x12}}}) r3 = openat$vga_arbiter(0xffffffffffffff9c, &(0x7f0000000100)='/dev/vga_arbiter\x00', 0x800, 0x0) ioctl$KDSETLED(r3, 0x4b32, 0xc0000000000) mount$9p_fd(0x0, &(0x7f0000000140)='./file0\x00', &(0x7f0000000200)='9p\x00', 0x4, &(0x7f0000000240)={'trans=fd,', {'rfdno', 0x3d, r3}, 0x2c, {'wfdno', 0x3d, r1}, 0x2c, {[{@version_L='version=9p2000.L', 0x2c}, {@cache_fscache='cache=fscache', 0x2c}, {@posixacl='posixacl', 0x2c}, {@loose='loose', 0x2c}, {@cache_loose='cache=loose', 0x2c}, {@fscache='fscache', 0x2c}]}}) sendto$inet(r1, &(0x7f0000000040)="8b902795eb80efacbe081b42888b421815befb370cb1c91d10f5f87764f446ae45d95fda9c3a920c62d94cbe24e66018d6bb01444d0ac9255607880957c6", 0x3e, 0x400c002, &(0x7f000083b000)={0x2, 0x4e20, @dev={0xac, 0x14, 0x14, 0x20}}, 0xffffffffffffffe7) r4 = syz_open_procfs(0x0, &(0x7f0000000080)='net/udp\x00') sendfile(r2, r4, &(0x7f0000000000), 0xff) 03:40:10 executing program 2: r0 = socket$inet6(0xa, 0x1000000000002, 0x0) ioctl(r0, 0x8912, &(0x7f0000000280)="025cc83d6d345f8f762070") syz_mount_image$btrfs(&(0x7f0000000080)='btrfs\x00', &(0x7f0000000100)='./file0\x00', 0x0, 0x1, &(0x7f0000000200)=[{&(0x7f0000000500)="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", 0x116, 0x10000}], 0x0, &(0x7f0000000240)) 03:40:10 executing program 1: r0 = socket$inet6(0xa, 0x1000000000002, 0x0) ioctl(r0, 0x8912, &(0x7f0000000280)="025cc83d6d345f8f762070") syz_mount_image$btrfs(&(0x7f0000000080)='btrfs\x00', &(0x7f0000000100)='./file0\x00', 0x0, 0x1, &(0x7f0000000200)=[{&(0x7f0000000500)="8da4363a000000001d1501000000004d01000000000000000000000000000000ecf6f2a2299748aeb81e1b00920efd9a000001000000000001000000000000005f42485266535f4dd2f873574f257e0a01e2a6a02f5e071383fa5a669a53f2fe9eb4eb7918628af41b", 0x69, 0x10000}], 0x0, &(0x7f0000000240)) 03:40:10 executing program 3: r0 = socket$inet(0x2, 0x4000000000000001, 0x0) setsockopt$inet_tcp_TCP_CONGESTION(r0, 0x6, 0xd, &(0x7f0000000140)='nv\x00', 0x3) sendto$inet(r0, &(0x7f0000a88f88), 0xfffffffffffffe6e, 0x20000000, &(0x7f0000e68000)={0x2, 0x0, @local={0xac, 0x14, 0x14, 0xaa}, [0x0, 0x0, 0x2000]}, 0x10) shutdown(r0, 0x0) 03:40:10 executing program 4: r0 = socket$nl_xfrm(0x10, 0x3, 0x6) sendmsg$nl_xfrm(r0, &(0x7f0000000400)={&(0x7f0000000040)={0x10}, 0xc, &(0x7f00000001c0)={&(0x7f0000000080)=@updpolicy={0xb8, 0x14, 0x407, 0x0, 0x0, {{@in=@loopback=0x7f000001, @in6=@ipv4={[0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x9effffff], [0xff, 0xff], @dev={0xac, 0x14, 0x14}}, 0x0, 0x0, 0x0, 0x0, 0x2}}}, 0xb8}, 0x1}, 0x0) [ 1512.242767] nla_parse: 35 callbacks suppressed [ 1512.242776] netlink: 104 bytes leftover after parsing attributes in process `syz-executor4'. [ 1512.259324] netlink: 65362 bytes leftover after parsing attributes in process `syz-executor7'. [ 1512.268233] net_ratelimit: 42 callbacks suppressed [ 1512.268241] openvswitch: netlink: ufid size 94 bytes exceeds the range (1, 16) [ 1512.280567] openvswitch: netlink: Flow set message rejected, Key attribute missing. 03:40:10 executing program 0: perf_event_open(&(0x7f0000000180)={0x2, 0x70, 0x3e5}, 0x0, 0x0, 0xffffffffffffffff, 0x0) r0 = socket$inet_udp(0x2, 0x2, 0x0) sendto$inet(r0, &(0x7f0000000000), 0x0, 0x400c000, &(0x7f000083b000)={0x2, 0x4e20}, 0x10) r1 = syz_open_procfs(0x0, &(0x7f0000000080)='net/udp\x00') fcntl$setstatus(r0, 0x4, 0x0) sendfile(r0, r1, &(0x7f0000000000), 0xff) getsockopt$inet_sctp_SCTP_PEER_ADDR_THLDS(r1, 0x84, 0x1f, &(0x7f00000000c0)={0x0, @in6={{0xa, 0x4e20, 0x40, @remote={0xfe, 0x80, [], 0xbb}, 0x3}}, 0x6, 0x14d}, &(0x7f0000000040)=0x90) setsockopt$inet_sctp6_SCTP_AUTH_DEACTIVATE_KEY(r1, 0x84, 0x23, &(0x7f0000000200)={r2, 0xffffffffffffffe0}, 0x8) [ 1512.301689] BTRFS error (device loop2): unsupported checksum algorithm 3786 [ 1512.308882] BTRFS error (device loop2): superblock checksum mismatch [ 1512.318981] BTRFS error (device loop2): open_ctree failed [ 1512.326229] netlink: 65362 bytes leftover after parsing attributes in process `syz-executor7'. [ 1512.335022] openvswitch: netlink: ufid size 94 bytes exceeds the range (1, 16) [ 1512.342438] openvswitch: netlink: Flow set message rejected, Key attribute missing. 03:40:10 executing program 7: sendmsg$IPVS_CMD_FLUSH(0xffffffffffffffff, &(0x7f0000000340)={&(0x7f0000000100)={0x10}, 0xc, &(0x7f00000002c0)={&(0x7f00000001c0)=ANY=[@ANYBLOB='P\x00\x00\x00', @ANYBLOB="00000000000000000000110000002800030014000200697064647030000000000000000000000800040000000000080001000000000014000100080009000000000008005f50e2470000"], 0x2}, 0x1}, 0x0) r0 = socket$nl_generic(0x10, 0x3, 0x10) sendmsg$nl_generic(r0, &(0x7f00003cefe4)={&(0x7f0000000300)={0x10, 0x36200}, 0xc, &(0x7f0000007ff0)={&(0x7f0000000180)={0xffce, 0x2e, 0x6fd, 0x0, 0x0, {0x2004}, [@nested={0xc, 0x0, [@typed={0x62, 0x9, @ipv4}]}]}, 0xffce}, 0x1, 0x0, 0x0, 0x2000000000000000}, 0x0) 03:40:10 executing program 2: r0 = socket$inet6(0xa, 0x1000000000002, 0x0) ioctl(r0, 0x8912, &(0x7f0000000280)="025cc83d6d345f8f762070") syz_mount_image$btrfs(&(0x7f0000000080)='btrfs\x00', &(0x7f0000000100)='./file0\x00', 0x0, 0x1, &(0x7f0000000200)=[{&(0x7f0000000500)="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", 0x116, 0x10000}], 0x0, &(0x7f0000000240)) 03:40:10 executing program 0: perf_event_open(&(0x7f0000000180)={0x2, 0x70, 0x3e5, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1}, 0x0, 0x0, 0xffffffffffffffff, 0x0) r0 = socket$inet_udp(0x2, 0x2, 0x0) sendto$inet(r0, &(0x7f0000000000), 0x0, 0x400c000, &(0x7f000083b000)={0x2, 0x4e20}, 0x10) r1 = syz_open_procfs(0x0, &(0x7f0000000080)='net/udp\x00') sendfile(r0, r1, &(0x7f0000000000), 0xff) r2 = syz_genetlink_get_family_id$fou(&(0x7f00000000c0)='fou\x00') sendmsg$FOU_CMD_ADD(r1, &(0x7f0000000200)={&(0x7f0000000040)={0x10}, 0xc, &(0x7f0000000140)={&(0x7f0000000100)=ANY=[@ANYBLOB, @ANYRES16=r2, @ANYBLOB="000629bd7000fddbdf250100000004000500080002000a000000"], 0x20}, 0x1, 0x0, 0x0, 0x4000}, 0x800) [ 1512.354358] BTRFS error (device loop1): superblock checksum mismatch [ 1512.371451] netlink: 104 bytes leftover after parsing attributes in process `syz-executor4'. [ 1512.392318] BTRFS error (device loop1): open_ctree failed 03:40:10 executing program 4: r0 = socket$nl_xfrm(0x10, 0x3, 0x6) sendmsg$nl_xfrm(r0, &(0x7f0000000400)={&(0x7f0000000040)={0x10}, 0xc, &(0x7f00000001c0)={&(0x7f0000000080)=@updpolicy={0xb8, 0x14, 0x407, 0x0, 0x0, {{@in=@loopback=0x7f000001, @in6=@ipv4={[0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xf0ffffff], [0xff, 0xff], @dev={0xac, 0x14, 0x14}}, 0x0, 0x0, 0x0, 0x0, 0x2}}}, 0xb8}, 0x1}, 0x0) 03:40:10 executing program 1: r0 = socket$inet6(0xa, 0x1000000000002, 0x0) ioctl(r0, 0x8912, &(0x7f0000000280)="025cc83d6d345f8f762070") syz_mount_image$btrfs(&(0x7f0000000080)='btrfs\x00', &(0x7f0000000100)='./file0\x00', 0x0, 0x1, &(0x7f0000000200)=[{&(0x7f0000000500)="8da4363a00000000070000000000004d01000000000000000000000000000000ecf6f2a2299748aeb81e1b00920efd9a000001000000000001000000000000005f42485266535f4dd2f873574f257e0a01e2a6a02f5e071383fa5a669a53f2fe9eb4eb7918628af41b", 0x69, 0x10000}], 0x0, &(0x7f0000000240)) [ 1512.435258] netlink: 65362 bytes leftover after parsing attributes in process `syz-executor7'. [ 1512.444155] openvswitch: netlink: ufid size 94 bytes exceeds the range (1, 16) [ 1512.451554] openvswitch: netlink: Flow set message rejected, Key attribute missing. [ 1512.474909] netlink: 104 bytes leftover after parsing attributes in process `syz-executor4'. 03:40:10 executing program 0: perf_event_open(&(0x7f0000000180)={0x2, 0x70, 0x3e5}, 0x0, 0x0, 0xffffffffffffffff, 0x0) r0 = syz_open_dev$amidi(&(0x7f0000000040)='/dev/amidi#\x00', 0xfffffffffffffff9, 0x8100) write$P9_RREAD(r0, &(0x7f0000000200)={0xd5, 0x75, 0x2, {0xca, "f739d56ab59fcdbd3a14516eed834dfc49443968287b52bdd95fc056e7203692ac1c39aabc62d3fa4ff70cef434a4f45e6e02f4247fcc41a6b26b7ec55d7beaac5d80dc18377df0fa26f51010230cc56d0b3b3bc28b97b4374fb9f630098d668573cf8af0d008aefc48362525a8520f622b96f949a66ae228a8fadb58200296f0fa1cb11590d6469b4a400d1e7ef6cfd6c654d7f1318687125da49d16303b8b29111726c03a70ab55a499cf7c9456925237d5c50f2096282cd479c0be8fc101760c3915df1de935c7e72"}}, 0xd5) r1 = socket$inet_udp(0x2, 0x2, 0x0) sendto$inet(r1, &(0x7f0000000000), 0x0, 0x400c000, &(0x7f000083b000)={0x2, 0x4e20}, 0x10) r2 = syz_open_procfs(0x0, &(0x7f0000000080)='net/udp\x00') sendfile(r1, r2, &(0x7f0000000000), 0xff) [ 1512.484840] BTRFS error (device loop2): unsupported checksum algorithm 3786 [ 1512.492027] BTRFS error (device loop2): superblock checksum mismatch [ 1512.513581] BTRFS error (device loop2): open_ctree failed [ 1512.519724] netlink: 104 bytes leftover after parsing attributes in process `syz-executor4'. [ 1512.529319] netlink: 65362 bytes leftover after parsing attributes in process `syz-executor7'. [ 1512.530094] BTRFS error (device loop1): superblock checksum mismatch [ 1512.538203] openvswitch: netlink: ufid size 94 bytes exceeds the range (1, 16) [ 1512.552037] openvswitch: netlink: Flow set message rejected, Key attribute missing. [ 1512.570203] BTRFS error (device loop1): open_ctree failed 03:40:11 executing program 5: r0 = syz_open_dev$sndseq(&(0x7f0000dcc000)='/dev/snd/seq\x00', 0x0, 0x0) read(r0, &(0x7f0000000280)=""/28, 0x58) ioctl$SNDRV_SEQ_IOCTL_CREATE_PORT(r0, 0xc0a85320, &(0x7f0000418f50)={{0x80}, "0a4ceaa05d9a00000000000000039b3fd4cec307e8ef3d13eb790ec9c65abaf90d229db692542e5b78f8b29e0a27800f0000000000000009fb42f376589701a4", 0xa9824f69d1376637, 0x10800a}) ioctl$SNDRV_SEQ_IOCTL_REMOVE_EVENTS(r0, 0x4040534e, &(0x7f000019ffe9)={0xc1}) ioctl$SNDRV_SEQ_IOCTL_SET_PORT_INFO(r0, 0x5452, &(0x7f0000000080)={{0x80}, 'port1\x00'}) ioctl$SNDRV_SEQ_IOCTL_SUBSCRIBE_PORT(r0, 0x40505330, &(0x7f0000000140)) openat$sequencer2(0xffffffffffffff9c, &(0x7f0000000040)='/dev/sequencer2\x00', 0x0, 0x0) 03:40:11 executing program 4: r0 = socket$nl_xfrm(0x10, 0x3, 0x6) sendmsg$nl_xfrm(r0, &(0x7f0000000400)={&(0x7f0000000040)={0x10}, 0xc, &(0x7f00000001c0)={&(0x7f0000000080)=@updpolicy={0xb8, 0x14, 0x407, 0x0, 0x0, {{@in=@loopback=0x7f000001, @in6=@ipv4={[0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xf0], [0xff, 0xff], @dev={0xac, 0x14, 0x14}}, 0x0, 0x0, 0x0, 0x0, 0x2}}}, 0xb8}, 0x1}, 0x0) 03:40:11 executing program 2: r0 = socket$inet6(0xa, 0x1000000000002, 0x0) ioctl(r0, 0x8912, &(0x7f0000000280)="025cc83d6d345f8f762070") syz_mount_image$btrfs(&(0x7f0000000080)='btrfs\x00', &(0x7f0000000100)='./file0\x00', 0x0, 0x1, &(0x7f0000000200)=[{&(0x7f0000000500)="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", 0x116, 0x10000}], 0x0, &(0x7f0000000240)) 03:40:11 executing program 0: r0 = perf_event_open(&(0x7f0000000180)={0x2, 0x70, 0x3e5}, 0x0, 0x0, 0xffffffffffffffff, 0x0) fcntl$setstatus(r0, 0x4, 0x400) r1 = socket$inet_udp(0x2, 0x2, 0x0) sendto$inet(r1, &(0x7f0000000000), 0x0, 0x400c000, &(0x7f000083b000)={0x2, 0x4e20}, 0x10) r2 = syz_open_procfs(0x0, &(0x7f0000000080)='net/udp\x00') sendfile(r1, r2, &(0x7f0000000000), 0xff) 03:40:11 executing program 7: sendmsg$IPVS_CMD_FLUSH(0xffffffffffffffff, &(0x7f0000000340)={&(0x7f0000000100)={0x10}, 0xc, &(0x7f00000002c0)={&(0x7f00000001c0)=ANY=[@ANYBLOB='P\x00\x00\x00', @ANYBLOB="00000000000000000000110000002800030014000200697064647030000000000000000000000800040000000000080001000000000014000100080009000000000008005f50e2470000"], 0x2}, 0x1}, 0x0) r0 = socket$nl_generic(0x10, 0x3, 0x10) sendmsg$nl_generic(r0, &(0x7f00003cefe4)={&(0x7f0000000300)={0x10, 0x36200}, 0xc, &(0x7f0000007ff0)={&(0x7f0000000180)={0xffce, 0x2e, 0x6fd, 0x0, 0x0, {0x2004}, [@nested={0xc, 0x0, [@typed={0x62, 0x9, @ipv4}]}]}, 0xffce}, 0x1, 0x0, 0x0, 0xf00000000000000}, 0x0) 03:40:11 executing program 1: r0 = socket$inet6(0xa, 0x1000000000002, 0x0) ioctl(r0, 0x8912, &(0x7f0000000280)="025cc83d6d345f8f762070") syz_mount_image$btrfs(&(0x7f0000000080)='btrfs\x00', &(0x7f0000000100)='./file0\x00', 0x0, 0x1, &(0x7f0000000200)=[{&(0x7f0000000500)="8da4363a00000000000115240000004d01000000000000000000000000000000ecf6f2a2299748aeb81e1b00920efd9a000001000000000001000000000000005f42485266535f4dd2f873574f257e0a01e2a6a02f5e071383fa5a669a53f2fe9eb4eb7918628af41b", 0x69, 0x10000}], 0x0, &(0x7f0000000240)) 03:40:11 executing program 3: r0 = socket$inet(0x2, 0x4000000000000001, 0x0) setsockopt$inet_tcp_TCP_CONGESTION(r0, 0x6, 0xd, &(0x7f0000000140)='nv\x00', 0x3) sendto$inet(r0, &(0x7f0000a88f88), 0xfffffffffffffe6e, 0x20000000, &(0x7f0000e68000)={0x2, 0x0, @local={0xac, 0x14, 0x14, 0xaa}, [0x0, 0x0, 0x4]}, 0x10) shutdown(r0, 0x0) 03:40:11 executing program 6: perf_event_open(&(0x7f0000000180)={0x2, 0x70, 0x3e5, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x40000, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xfffffffffffffffd, 0x1ff, 0x0, 0x0, 0x0, 0x0, 0x0, 0x9}, 0x0, 0x0, 0xffffffffffffffff, 0x0) r0 = ioctl$KVM_CREATE_VM(0xffffffffffffffff, 0xae01, 0x0) write$P9_RLERRORu(0xffffffffffffffff, &(0x7f0000000080)=ANY=[@ANYBLOB="0005e2d73073f366b5"], 0x9) ioctl$KVM_SET_TSS_ADDR(r0, 0xae47, 0xd000) ioctl$KVM_SET_PIT(r0, 0x8048ae66, &(0x7f0000000300)={[{0x8, 0x81, 0x14000, 0xa38e, 0xa181, 0x8, 0x800, 0x80000000, 0x1, 0x4, 0x8, 0x80000000, 0x100}, {0x0, 0x10004, 0x6, 0x9, 0x4, 0x4, 0x9, 0x9d, 0x6, 0x8, 0x5, 0x9, 0x9}, {0x100000001, 0x1ff, 0x401, 0x80000001, 0x2, 0xd, 0x0, 0x0, 0x1, 0x100000000, 0x1f, 0xddd, 0xfffffffffffffbff}], 0x583c7495}) mkdir(&(0x7f0000000440)='./file0\x00', 0x0) mount$9p_fd(0x0, &(0x7f00000005c0)='./file0\x00', &(0x7f0000000600)='9p\x00', 0x0, &(0x7f0000000200)=ANY=[@ANYBLOB='trans=fd,rfdno=', @ANYRESHEX, @ANYBLOB="2c7766646e6f3db85b2639437e3c3c8de76822ebee0f5d63464b5bcdb8a3b618ad5bbd65de60da693feb8232c412f578827c7e5693708acb64c7184136bf8c232a8252cca440e51b3431462751851bc86728449f6fb2559c64845b6448a56deb624925f1f46396dfb2daa2ea3861b117e10b516677b84eadca080748e4d1de34bafe37ba2de263e02e8590c61b7e89bfeab0e5136be2f06b989337e33d33878ed94b5f8299afa51836bc0fccbdf831b48e", @ANYRESHEX, @ANYBLOB=',version=9p2000,\x00']) [ 1513.334185] netlink: 104 bytes leftover after parsing attributes in process `syz-executor4'. [ 1513.344767] netlink: 65362 bytes leftover after parsing attributes in process `syz-executor7'. [ 1513.348596] 9pnet: Insufficient options for proto=fd [ 1513.353631] openvswitch: netlink: ufid size 94 bytes exceeds the range (1, 16) [ 1513.366113] openvswitch: netlink: Flow set message rejected, Key attribute missing. 03:40:11 executing program 4: r0 = socket$nl_xfrm(0x10, 0x3, 0x6) sendmsg$nl_xfrm(r0, &(0x7f0000000400)={&(0x7f0000000040)={0x10}, 0xc, &(0x7f00000001c0)={&(0x7f0000000080)=@updpolicy={0xb8, 0x14, 0x407, 0x0, 0x0, {{@in=@loopback=0x7f000001, @in6=@ipv4={[0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x2000], [0xff, 0xff], @dev={0xac, 0x14, 0x14}}, 0x0, 0x0, 0x0, 0x0, 0x2}}}, 0xb8}, 0x1}, 0x0) 03:40:11 executing program 0: perf_event_open(&(0x7f0000000180)={0x2, 0x70, 0x1ff}, 0x0, 0x0, 0xffffffffffffffff, 0x0) r0 = accept(0xffffffffffffffff, &(0x7f00000000c0)=@llc={0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @broadcast}, &(0x7f0000000140)=0x80) connect$rds(r0, &(0x7f0000000200)={0x2, 0x4e22, @broadcast=0xffffffff}, 0x10) r1 = socket$inet_udp(0x2, 0x2, 0x0) r2 = openat$rfkill(0xffffffffffffff9c, &(0x7f0000000040)='/dev/rfkill\x00', 0x2, 0x0) ioctl$SCSI_IOCTL_SYNC(r2, 0x4) sendto$inet(r1, &(0x7f0000000000), 0x0, 0x400c000, &(0x7f000083b000)={0x2, 0x4e20}, 0x10) r3 = syz_open_procfs(0x0, &(0x7f0000000080)='net/udp\x00') sendfile(r1, r3, &(0x7f0000000000), 0xff) 03:40:11 executing program 6: perf_event_open(&(0x7f0000000180)={0x2, 0x70, 0x3e5}, 0x0, 0x0, 0xffffffffffffffff, 0x0) ioctl$KVM_CREATE_VM(0xffffffffffffffff, 0xae01, 0x0) pipe2$9p(&(0x7f0000000000)={0xffffffffffffffff, 0xffffffffffffffff}, 0x0) write$P9_RLERRORu(r1, &(0x7f0000000040)=ANY=[@ANYBLOB="09d41d2384bd5b04ae34df86"], 0x9) mount$9p_fd(0x0, &(0x7f00000005c0)='./file0\x00', &(0x7f0000000600)='9p\x00', 0x0, &(0x7f0000000080)=ANY=[@ANYBLOB='trans=fd,rfdno=', @ANYRESHEX=r0, @ANYBLOB="2c7766646e90db4a95dfe16b64da6f3da61b389194506cbaec118c8780bd2c740ede4b234bd76074e2eee14b3c78297f302ae01c6a055e94c75f0fb24888288c74614a10c88db8377394f84ecbfd8839ab65199e90e7d6c2bab03d24887b618f7230e2bfcf8e", @ANYRESHEX=r1, @ANYBLOB=',version=9p2000,\x00']) r2 = openat$vga_arbiter(0xffffffffffffff9c, &(0x7f0000000140)='/dev/vga_arbiter\x00', 0x0, 0x0) setsockopt$l2tp_PPPOL2TP_SO_DEBUG(r2, 0x111, 0x1, 0x9, 0x4) 03:40:11 executing program 7: sendmsg$IPVS_CMD_FLUSH(0xffffffffffffffff, &(0x7f0000000340)={&(0x7f0000000100)={0x10}, 0xc, &(0x7f00000002c0)={&(0x7f00000001c0)=ANY=[@ANYBLOB='P\x00\x00\x00', @ANYBLOB="00000000000000000000110000002800030014000200697064647030000000000000000000000800040000000000080001000000000014000100080009000000000008005f50e2470000"], 0x2}, 0x1}, 0x0) r0 = socket$nl_generic(0x10, 0x3, 0x10) sendmsg$nl_generic(r0, &(0x7f00003cefe4)={&(0x7f0000000300)={0x10, 0x36200}, 0xc, &(0x7f0000007ff0)={&(0x7f0000000180)={0xffce, 0x2e, 0x6fd, 0x0, 0x0, {0x2004}, [@nested={0xc, 0x0, [@typed={0x62, 0x9, @ipv4}]}]}, 0xffce}, 0x1, 0x0, 0x0, 0xb00000000000000}, 0x0) [ 1513.384355] 9pnet: Insufficient options for proto=fd [ 1513.390479] BTRFS error (device loop1): superblock checksum mismatch [ 1513.416463] BTRFS error (device loop1): open_ctree failed 03:40:11 executing program 4: r0 = socket$nl_xfrm(0x10, 0x3, 0x6) sendmsg$nl_xfrm(r0, &(0x7f0000000400)={&(0x7f0000000040)={0x10}, 0xc, &(0x7f00000001c0)={&(0x7f0000000080)=@updpolicy={0xb8, 0x14, 0x407, 0x0, 0x0, {{@in=@loopback=0x7f000001, @in6=@ipv4={[0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x2337], [0xff, 0xff], @dev={0xac, 0x14, 0x14}}, 0x0, 0x0, 0x0, 0x0, 0x2}}}, 0xb8}, 0x1}, 0x0) 03:40:11 executing program 0: perf_event_open(&(0x7f0000000180)={0x2, 0x70, 0x3e5}, 0x0, 0x0, 0xffffffffffffffff, 0x0) r0 = socket$inet_udp(0x2, 0x2, 0x0) sendto$inet(r0, &(0x7f0000000000), 0x0, 0x400c000, &(0x7f000083b000)={0x2, 0x4e20}, 0x10) r1 = syz_open_procfs(0x0, &(0x7f0000000080)='net/udp\x00') sendfile(r0, r1, &(0x7f0000000000), 0xff) ioctl$TIOCOUTQ(r1, 0x5411, &(0x7f0000000040)) 03:40:11 executing program 1: r0 = socket$inet6(0xa, 0x1000000000002, 0x0) ioctl(r0, 0x8912, &(0x7f0000000280)="025cc83d6d345f8f762070") syz_mount_image$btrfs(&(0x7f0000000080)='btrfs\x00', &(0x7f0000000100)='./file0\x00', 0x0, 0x1, &(0x7f0000000200)=[{&(0x7f0000000500)="8da4363a000000000000096f0000004d01000000000000000000000000000000ecf6f2a2299748aeb81e1b00920efd9a000001000000000001000000000000005f42485266535f4dd2f873574f257e0a01e2a6a02f5e071383fa5a669a53f2fe9eb4eb7918628af41b", 0x69, 0x10000}], 0x0, &(0x7f0000000240)) [ 1513.437840] BTRFS error (device loop1): superblock checksum mismatch [ 1513.459009] BTRFS error (device loop1): open_ctree failed 03:40:11 executing program 6: perf_event_open(&(0x7f0000000180)={0x2, 0x70, 0x3e5}, 0x0, 0x0, 0xffffffffffffffff, 0x0) socketpair(0xb, 0x805, 0x7, &(0x7f0000000040)={0xffffffffffffffff, 0xffffffffffffffff}) ioctl$KVM_PPC_ALLOCATE_HTAB(r0, 0xc004aea7, &(0x7f00000000c0)=0x6) ioctl$KVM_CREATE_VM(0xffffffffffffffff, 0xae01, 0x0) pipe2$9p(&(0x7f0000000000)={0xffffffffffffffff, 0xffffffffffffffff}, 0x0) write$P9_RLERRORu(r2, &(0x7f0000000080)=ANY=[@ANYBLOB="14ff48d804ff789d69"], 0x9) mkdir(&(0x7f0000000440)='./file0\x00', 0x0) mount$9p_fd(0x0, &(0x7f00000005c0)='./file0\x00', &(0x7f0000000600)='9p\x00', 0x0, &(0x7f0000000640)={'trans=fd,', {'rfdno', 0x3d, r1}, 0x2c, {'wfdno', 0x3d, r2}, 0x2c, {[{@version_9p2000='version=9p2000', 0x2c}]}}) ioctl$sock_bt_bnep_BNEPCONNDEL(r0, 0x400442c9, &(0x7f0000000100)={0x3ff, @remote={[0xaa, 0xaa, 0xaa, 0xaa, 0xaa], 0xbb}}) [ 1513.501123] BTRFS error (device loop2): unsupported checksum algorithm 3786 [ 1513.508318] BTRFS error (device loop2): superblock checksum mismatch [ 1513.538140] BTRFS error (device loop2): open_ctree failed [ 1513.552647] BTRFS error (device loop1): superblock checksum mismatch [ 1513.577693] BTRFS error (device loop1): open_ctree failed 03:40:12 executing program 5: r0 = syz_open_dev$sndseq(&(0x7f0000dcc000)='/dev/snd/seq\x00', 0x0, 0x0) read(r0, &(0x7f0000000280)=""/28, 0x58) ioctl$SNDRV_SEQ_IOCTL_CREATE_PORT(r0, 0xc0a85320, &(0x7f0000418f50)={{0x80}, "0a4ceaa05d9a00000000000000039b3fd4cec307e8ef3d13eb790ec9c65abaf90d229db692542e5b78f8b29e0a27800f0000000000000009fb42f376589701a4", 0xa9824f69d1376637, 0x10800a}) ioctl$SNDRV_SEQ_IOCTL_REMOVE_EVENTS(r0, 0x4040534e, &(0x7f000019ffe9)={0xc1}) ioctl$SNDRV_SEQ_IOCTL_SET_PORT_INFO(r0, 0xc0105303, &(0x7f0000000080)={{0x80}, 'port1\x00'}) ioctl$SNDRV_SEQ_IOCTL_SUBSCRIBE_PORT(r0, 0x40505330, &(0x7f0000000140)) openat$sequencer2(0xffffffffffffff9c, &(0x7f0000000040)='/dev/sequencer2\x00', 0x0, 0x0) 03:40:12 executing program 4: r0 = socket$nl_xfrm(0x10, 0x3, 0x6) sendmsg$nl_xfrm(r0, &(0x7f0000000400)={&(0x7f0000000040)={0x10}, 0xc, &(0x7f00000001c0)={&(0x7f0000000080)=@updpolicy={0xb8, 0x14, 0x407, 0x0, 0x0, {{@in=@loopback=0x7f000001, @in6=@ipv4={[0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xfffffffffffff000], [0xff, 0xff], @dev={0xac, 0x14, 0x14}}, 0x0, 0x0, 0x0, 0x0, 0x2}}}, 0xb8}, 0x1}, 0x0) 03:40:12 executing program 7: sendmsg$IPVS_CMD_FLUSH(0xffffffffffffffff, &(0x7f0000000340)={&(0x7f0000000100)={0x10}, 0xc, &(0x7f00000002c0)={&(0x7f00000001c0)=ANY=[@ANYBLOB='P\x00\x00\x00', @ANYBLOB="00000000000000000000110000002800030014000200697064647030000000000000000000000800040000000000080001000000000014000100080009000000000008005f50e2470000"], 0x2}, 0x1}, 0x0) r0 = socket$nl_generic(0x10, 0x3, 0x10) sendmsg$nl_generic(r0, &(0x7f00003cefe4)={&(0x7f0000000300)={0x10, 0x36200}, 0xc, &(0x7f0000007ff0)={&(0x7f0000000180)={0xffce, 0x2e, 0x6fd, 0x0, 0x0, {0x2004}, [@nested={0xc, 0x0, [@typed={0x62, 0x9, @ipv4}]}]}, 0xffce}, 0x1, 0x0, 0x0, 0x1000000}, 0x0) 03:40:12 executing program 0: perf_event_open(&(0x7f0000000180)={0x2, 0x70, 0x3e5}, 0x0, 0x0, 0xffffffffffffffff, 0x0) sendto$inet(0xffffffffffffffff, &(0x7f0000000000), 0x0, 0x400c000, &(0x7f000083b000)={0x2, 0x4e20}, 0x10) r0 = syz_open_procfs(0x0, &(0x7f0000000080)='net/udp\x00') sendfile(0xffffffffffffffff, r0, &(0x7f0000000000), 0xff) 03:40:12 executing program 2: r0 = socket$inet6(0xa, 0x1000000000002, 0x0) ioctl(r0, 0x8912, &(0x7f0000000280)="025cc83d6d345f8f762070") syz_mount_image$btrfs(&(0x7f0000000080)='btrfs\x00', &(0x7f0000000100)='./file0\x00', 0x0, 0x1, &(0x7f0000000200)=[{&(0x7f0000000500)="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", 0x116, 0x10000}], 0x0, &(0x7f0000000240)) 03:40:12 executing program 6: perf_event_open(&(0x7f0000000180)={0x2, 0x70, 0x3e5}, 0x0, 0x0, 0xffffffffffffffff, 0x0) ioctl$KVM_CREATE_VM(0xffffffffffffffff, 0xae01, 0x0) syz_open_dev$ndb(&(0x7f0000000040)='/dev/nbd#\x00', 0x0, 0x40000) pipe2$9p(&(0x7f0000000000)={0xffffffffffffffff, 0xffffffffffffffff}, 0x0) write$P9_RLERRORu(r1, &(0x7f00000000c0)=ANY=[@ANYBLOB="1400000029ffff07004ce5455df4e4e8eb274decbf247bbdb9ba01c38def85150f4c392025f1fe820000"], 0x9) mkdir(&(0x7f0000000440)='./file0\x00', 0x0) mount$9p_fd(0x0, &(0x7f00000005c0)='./file0\x00', &(0x7f0000000600)='9p\x00', 0x0, &(0x7f0000000640)={'trans=fd,', {'rfdno', 0x3d, r0}, 0x2c, {'wfdno', 0x3d, r1}, 0x2c, {[{@version_9p2000='version=9p2000', 0x2c}]}}) 03:40:12 executing program 1: r0 = socket$inet6(0xa, 0x1000000000002, 0x0) ioctl(r0, 0x8912, &(0x7f0000000280)="025cc83d6d345f8f762070") syz_mount_image$btrfs(&(0x7f0000000080)='btrfs\x00', &(0x7f0000000100)='./file0\x00', 0x0, 0x1, &(0x7f0000000200)=[{&(0x7f0000000500)="8da4363a00000000fffffff40000004d01000000000000000000000000000000ecf6f2a2299748aeb81e1b00920efd9a000001000000000001000000000000005f42485266535f4dd2f873574f257e0a01e2a6a02f5e071383fa5a669a53f2fe9eb4eb7918628af41b", 0x69, 0x10000}], 0x0, &(0x7f0000000240)) 03:40:12 executing program 3: r0 = socket$inet(0x2, 0x4000000000000001, 0x0) setsockopt$inet_tcp_TCP_CONGESTION(r0, 0x6, 0xd, &(0x7f0000000140)='nv\x00', 0x3) sendto$inet(r0, &(0x7f0000a88f88), 0xfffffffffffffe6e, 0x20000000, &(0x7f0000e68000)={0x2, 0x0, @local={0xac, 0x14, 0x14, 0xaa}, [0x0, 0x0, 0x900000000000000]}, 0x10) shutdown(r0, 0x0) 03:40:12 executing program 0: perf_event_open(&(0x7f0000000180)={0x2, 0x70, 0x3e5}, 0x0, 0x0, 0xffffffffffffffff, 0x0) r0 = socket$inet_udp(0x2, 0x2, 0x0) sendto$inet(r0, &(0x7f0000000000), 0x0, 0x400c000, &(0x7f000083b000)={0x2, 0x4e20}, 0x10) r1 = syz_open_procfs(0x0, &(0x7f0000000080)='net/udp\x00') ioctl$PERF_EVENT_IOC_SET_FILTER(r1, 0x40082406, &(0x7f0000000040)='net/udp\x00') sendto$inet(r0, &(0x7f0000000200)="7f8d0b7ba3dfb732afc17d33f8195a11be99e194eaa0ef7477cb07b0a67e19c16194255cfdba2f73d1de5bb8d2cb389e118d8643bbdb401f8d1d9d4ce6a667e044fbe79d9ece58afe11b61d6da5f3e413a2bfac0ad1a01bb1f975288a9e10e457824b482744da9ec83399f2d2ef9d1700da78909a3897e8b9218f898555a3a640d3f8a81ae418c31909428a18150e385748ee5f0a876644b9eb1d51fef6a17106c1e304b42350118f422ab6242e302e2e13ccdc25ed13b7b2cbf6248cfb81033b449ea48486564552b0d1945c60f3498f9f51395695b0fd88a6b", 0xda, 0x44, &(0x7f00000000c0)={0x2, 0x4e23, @broadcast=0xffffffff}, 0x10) sendfile(r0, r1, &(0x7f0000000000), 0xff) 03:40:12 executing program 4: r0 = socket$nl_xfrm(0x10, 0x3, 0x6) sendmsg$nl_xfrm(r0, &(0x7f0000000400)={&(0x7f0000000040)={0x10}, 0xc, &(0x7f00000001c0)={&(0x7f0000000080)=@updpolicy={0xb8, 0x14, 0x407, 0x0, 0x0, {{@in=@loopback=0x7f000001, @in6=@ipv4={[0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x9effffff00000000], [0xff, 0xff], @dev={0xac, 0x14, 0x14}}, 0x0, 0x0, 0x0, 0x0, 0x2}}}, 0xb8}, 0x1}, 0x0) 03:40:12 executing program 7: sendmsg$IPVS_CMD_FLUSH(0xffffffffffffffff, &(0x7f0000000340)={&(0x7f0000000100)={0x10}, 0xc, &(0x7f00000002c0)={&(0x7f00000001c0)=ANY=[@ANYBLOB='P\x00\x00\x00', @ANYBLOB="00000000000000000000110000002800030014000200697064647030000000000000000000000800040000000000080001000000000014000100080009000000000008005f50e2470000"], 0x2}, 0x1}, 0x0) r0 = socket$nl_generic(0x10, 0x3, 0x10) sendmsg$nl_generic(r0, &(0x7f00003cefe4)={&(0x7f0000000300)={0x10, 0x36200}, 0xc, &(0x7f0000007ff0)={&(0x7f0000000180)={0xffce, 0x2e, 0x6fd, 0x0, 0x0, {0x2004}, [@nested={0xc, 0x0, [@typed={0x62, 0x9, @ipv4}]}]}, 0xffce}, 0x1, 0x0, 0x0, 0xf000000}, 0x0) 03:40:12 executing program 6: r0 = perf_event_open(&(0x7f0000000180)={0x2, 0x70, 0x3e5}, 0x0, 0x0, 0xffffffffffffffff, 0x0) openat$full(0xffffffffffffff9c, &(0x7f0000000140)='/dev/full\x00', 0x400100, 0x0) openat$qat_adf_ctl(0xffffffffffffff9c, &(0x7f0000000040)='/dev/qat_adf_ctl\x00', 0x80, 0x0) openat$cgroup_ro(0xffffffffffffffff, &(0x7f00000000c0)='memory.swap.current\x00', 0x0, 0x0) dup3(r0, r0, 0x80000) r1 = syz_open_dev$vcsn(&(0x7f0000000200)='/dev/vcs#\x00', 0x7, 0x0) ioctl$KVM_CREATE_VM(r1, 0xae01, 0x0) pipe2$9p(&(0x7f0000000000)={0xffffffffffffffff, 0xffffffffffffffff}, 0x0) write$P9_RLERRORu(r3, &(0x7f0000000080)=ANY=[@ANYBLOB="1400000007ffff0700"], 0x9) mkdir(&(0x7f0000000440)='./file0\x00', 0x0) mount$9p_fd(0x0, &(0x7f00000005c0)='./file0\x00', &(0x7f0000000600)='9p\x00', 0x0, &(0x7f0000000640)=ANY=[@ANYBLOB='trans=fd,rfdno=', @ANYRESHEX=r2, @ANYBLOB='=\x00\x00\x00\x00\x00\x00', @ANYRESHEX=r3, @ANYBLOB=',version=9p2000,\x00']) [ 1514.413137] BTRFS error (device loop1): superblock checksum mismatch [ 1514.431903] BTRFS error (device loop1): open_ctree failed [ 1514.446314] BTRFS error (device loop1): superblock checksum mismatch [ 1514.458941] BTRFS error (device loop1): open_ctree failed [ 1514.474308] 9pnet: Insufficient options for proto=fd [ 1514.502194] BTRFS error (device loop2): unsupported checksum algorithm 3786 03:40:12 executing program 4: r0 = socket$nl_xfrm(0x10, 0x3, 0x6) sendmsg$nl_xfrm(r0, &(0x7f0000000400)={&(0x7f0000000040)={0x10}, 0xc, &(0x7f00000001c0)={&(0x7f0000000080)=@updpolicy={0xb8, 0x14, 0x407, 0x0, 0x0, {{@in=@loopback=0x7f000001, @in6=@ipv4={[0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x2000000000000000], [0xff, 0xff], @dev={0xac, 0x14, 0x14}}, 0x0, 0x0, 0x0, 0x0, 0x2}}}, 0xb8}, 0x1}, 0x0) 03:40:12 executing program 7: sendmsg$IPVS_CMD_FLUSH(0xffffffffffffffff, &(0x7f0000000340)={&(0x7f0000000100)={0x10}, 0xc, &(0x7f00000002c0)={&(0x7f00000001c0)=ANY=[@ANYBLOB='P\x00\x00\x00', @ANYBLOB="00000000000000000000110000002800030014000200697064647030000000000000000000000800040000000000080001000000000014000100080009000000000008005f50e2470000"], 0x2}, 0x1}, 0x0) r0 = socket$nl_generic(0x10, 0x3, 0x10) sendmsg$nl_generic(r0, &(0x7f00003cefe4)={&(0x7f0000000300)={0x10, 0x36200}, 0xc, &(0x7f0000007ff0)={&(0x7f0000000180)={0xffce, 0x2e, 0x6fd, 0x0, 0x0, {0x2004}, [@nested={0xc, 0x0, [@typed={0x62, 0x9, @ipv4}]}]}, 0xffce}, 0x1, 0x0, 0x0, 0x68000000}, 0x0) 03:40:12 executing program 1: r0 = socket$inet6(0xa, 0x1000000000002, 0x0) ioctl(r0, 0x8912, &(0x7f0000000280)="025cc83d6d345f8f762070") syz_mount_image$btrfs(&(0x7f0000000080)='btrfs\x00', &(0x7f0000000100)='./file0\x00', 0x0, 0x1, &(0x7f0000000200)=[{&(0x7f0000000500)="8da4363a00000000000115270000004d01000000000000000000000000000000ecf6f2a2299748aeb81e1b00920efd9a000001000000000001000000000000005f42485266535f4dd2f873574f257e0a01e2a6a02f5e071383fa5a669a53f2fe9eb4eb7918628af41b", 0x69, 0x10000}], 0x0, &(0x7f0000000240)) 03:40:12 executing program 0: r0 = perf_event_open(&(0x7f0000000180)={0x2, 0x70, 0x3e5}, 0x0, 0x0, 0xffffffffffffffff, 0x0) getresuid(&(0x7f00000000c0), &(0x7f0000000100)=0x0, &(0x7f0000000140)) r2 = gettid() r3 = socket$inet6(0xa, 0x2, 0x0) getsockopt$inet_sctp6_SCTP_PEER_ADDR_THLDS(0xffffffffffffff9c, 0x84, 0x1f, &(0x7f0000000500)={0x0, @in6={{0xa, 0x4e24, 0x8, @mcast2={0xff, 0x2, [], 0x1}, 0x8}}, 0x0, 0x20}, &(0x7f00000003c0)=0x90) setsockopt$inet_sctp6_SCTP_PR_SUPPORTED(r3, 0x84, 0x71, &(0x7f00000005c0)={r4, 0x81}, 0x8) r5 = getpid() sendmsg$nl_generic(r0, &(0x7f0000000380)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x40080000}, 0xc, &(0x7f0000000340)={&(0x7f0000000200)={0x124, 0x11, 0xf09, 0x70bd26, 0x25dfdbfe, {}, [@nested={0xa8, 0x2c, [@typed={0x8, 0x7f, @uid=r1}, @typed={0x8, 0x46, @pid=r2}, @typed={0xc, 0x4b, @str='net/udp\x00'}, @generic="efdce54db96fe0b08b2dfdf17970d26fd2537b42242582401887b41a4bb500297ce8ad2db8e895f470f9e48fc37fa14402ad93ff037dc4f3baf50d82d7b19bd35ca582aee5b998297460cce01573d1b1ec31e93858dc3deab6ef944ffbe79329668faf094c995d2c7e349707c7f65ff8890f5552323bde7b5155d245597dc418bc6a0a23596cb30b"]}, @typed={0x8, 0x29, @pid=r5}, @generic="01cdb834012408686b7c498c0e44787f732d85f195a618abb6b5ddea55c718542fb6596a5617a330a79c42557b2fb183eb51c3cc1eed9900ec914811e38c19c6f6bcd841b6263220f80ee373f2cf", @nested={0xc, 0x6, [@typed={0x8, 0x26, @ipv4}]}, @typed={0x4, 0x7d}]}, 0x124}, 0x1, 0x0, 0x0, 0x4000080}, 0x4000) r6 = socket$inet_udp(0x2, 0x2, 0x0) sendto$inet(r6, &(0x7f0000000400)="8535ba796656f9237ab4b5bfcfe30cbee24f933966e4c1c0da5894dcda8793b734327fe1ec26f3c324350de6e1d092680475dacb469d55619f3864c993bda8dbbda704b588d72086538977f02264af8d96481d05d30314d18a0d58405deb5a06dee041f0841eda54c8b7749ea9f453e80bddad7f4d10ed3619192b13cdbe2c8ff126b54d358c572c10d3d70eff8595fb887b613e78febfcfac42b149ec6252891428a69780ba1fdbf67804151a185416974d4a180c6366b01c8a7b7796027dc0a34410652f153af14497b28572e90ae0dd533103", 0x0, 0x804, &(0x7f000083b000)={0x2, 0x4e21}, 0xba) r7 = syz_open_procfs(0x0, &(0x7f0000000080)='net/udp\x00') sendfile(r6, r7, &(0x7f0000000000), 0xff) [ 1514.509381] BTRFS error (device loop2): superblock checksum mismatch [ 1514.522405] 9pnet: Insufficient options for proto=fd [ 1514.552493] BTRFS error (device loop2): open_ctree failed 03:40:13 executing program 5: r0 = syz_open_dev$sndseq(&(0x7f0000dcc000)='/dev/snd/seq\x00', 0x0, 0x0) read(r0, &(0x7f0000000280)=""/28, 0x58) ioctl$SNDRV_SEQ_IOCTL_CREATE_PORT(r0, 0xc0a85320, &(0x7f0000418f50)={{0x80}, "0a4ceaa05d9a00000000000000039b3fd4cec307e8ef3d13eb790ec9c65abaf90d229db692542e5b78f8b29e0a27800f0000000000000009fb42f376589701a4", 0xa9824f69d1376637, 0x10800a}) ioctl$SNDRV_SEQ_IOCTL_REMOVE_EVENTS(r0, 0x4040534e, &(0x7f000019ffe9)={0xc1}) ioctl$SNDRV_SEQ_IOCTL_SET_PORT_INFO(r0, 0x5460, &(0x7f0000000080)={{0x80}, 'port1\x00'}) ioctl$SNDRV_SEQ_IOCTL_SUBSCRIBE_PORT(r0, 0x40505330, &(0x7f0000000140)) openat$sequencer2(0xffffffffffffff9c, &(0x7f0000000040)='/dev/sequencer2\x00', 0x0, 0x0) 03:40:13 executing program 6: perf_event_open(&(0x7f0000000180)={0x2, 0x70, 0x3e5}, 0x0, 0x0, 0xffffffffffffffff, 0x0) ioctl$KVM_CREATE_VM(0xffffffffffffffff, 0xae01, 0x0) pipe2$9p(&(0x7f0000000000)={0xffffffffffffffff, 0xffffffffffffffff}, 0x0) write$P9_RLERRORu(r1, &(0x7f0000000080)=ANY=[@ANYBLOB="1400000007ffff0700"], 0x9) openat$vga_arbiter(0xffffffffffffff9c, &(0x7f0000000040)='/dev/vga_arbiter\x00', 0x0, 0x0) mkdir(&(0x7f0000000440)='./file0\x00', 0x0) mount$9p_fd(0x0, &(0x7f00000005c0)='./file0\x00', &(0x7f0000000600)='9p\x00', 0x0, &(0x7f0000000640)={'trans=fd,', {'rfdno', 0x3d, r0}, 0x2c, {'wfdno', 0x3d, r1}, 0x2c, {[{@version_9p2000='version=9p2000', 0x2c}]}}) 03:40:13 executing program 4: r0 = socket$nl_xfrm(0x10, 0x3, 0x6) sendmsg$nl_xfrm(r0, &(0x7f0000000400)={&(0x7f0000000040)={0x10}, 0xc, &(0x7f00000001c0)={&(0x7f0000000080)=@updpolicy={0xb8, 0x14, 0x407, 0x0, 0x0, {{@in=@loopback=0x7f000001, @in6=@ipv4={[0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x200000000000000], [0xff, 0xff], @dev={0xac, 0x14, 0x14}}, 0x0, 0x0, 0x0, 0x0, 0x2}}}, 0xb8}, 0x1}, 0x0) 03:40:13 executing program 7: sendmsg$IPVS_CMD_FLUSH(0xffffffffffffffff, &(0x7f0000000340)={&(0x7f0000000100)={0x10}, 0xc, &(0x7f00000002c0)={&(0x7f00000001c0)=ANY=[@ANYBLOB='P\x00\x00\x00', @ANYBLOB="00000000000000000000110000002800030014000200697064647030000000000000000000000800040000000000080001000000000014000100080009000000000008005f50e2470000"], 0x2}, 0x1}, 0x0) r0 = socket$nl_generic(0x10, 0x3, 0x10) sendmsg$nl_generic(r0, &(0x7f00003cefe4)={&(0x7f0000000300)={0x10, 0x36200}, 0xc, &(0x7f0000007ff0)={&(0x7f0000000180)={0xffce, 0x2e, 0x6fd, 0x0, 0x0, {0x2004}, [@nested={0xc, 0x0, [@typed={0x62, 0x9, @ipv4}]}]}, 0xffce}, 0x1, 0x0, 0x0, 0x54160000}, 0x0) 03:40:13 executing program 2: r0 = socket$inet6(0xa, 0x1000000000002, 0x0) ioctl(r0, 0x8912, &(0x7f0000000280)="025cc83d6d345f8f762070") syz_mount_image$btrfs(&(0x7f0000000080)='btrfs\x00', &(0x7f0000000100)='./file0\x00', 0x0, 0x1, &(0x7f0000000200)=[{&(0x7f0000000500)="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", 0x116, 0x10000}], 0x0, &(0x7f0000000240)) 03:40:13 executing program 1: r0 = socket$inet6(0xa, 0x1000000000002, 0x0) ioctl(r0, 0x8912, &(0x7f0000000280)="025cc83d6d345f8f762070") syz_mount_image$btrfs(&(0x7f0000000080)='btrfs\x00', &(0x7f0000000100)='./file0\x00', 0x0, 0x1, &(0x7f0000000200)=[{&(0x7f0000000500)="8da4363a0000000003ee00000000004d01000000000000000000000000000000ecf6f2a2299748aeb81e1b00920efd9a000001000000000001000000000000005f42485266535f4dd2f873574f257e0a01e2a6a02f5e071383fa5a669a53f2fe9eb4eb7918628af41b", 0x69, 0x10000}], 0x0, &(0x7f0000000240)) 03:40:13 executing program 0: perf_event_open(&(0x7f0000000180)={0x2, 0x70, 0x3e5}, 0x0, 0x0, 0xffffffffffffffff, 0x0) r0 = socket$inet_udp(0x2, 0x2, 0x0) sendto$inet(r0, &(0x7f0000000000), 0x0, 0x400c000, &(0x7f000083b000)={0x2, 0x4e20}, 0x10) r1 = syz_open_procfs(0x0, &(0x7f0000000080)='net/udp\x00') setsockopt$inet_opts(r1, 0x0, 0xd, &(0x7f00000000c0)="8a03121255dac56d5d6afec20bd0139e0854a2bd64334e2579a3a688e24c2f25f6939c139d0bd4c9437fbac2d70bc5ec1ea4e9e53d534d8b095de66352b7d0d903cdb711bd573c93c5ff1b530fbcbf3c1fbd", 0x52) setsockopt$nfc_llcp_NFC_LLCP_MIUX(r1, 0x118, 0x1, &(0x7f0000000040)=0x80000001, 0x4) sendfile(r0, r1, &(0x7f0000000000), 0xff) 03:40:13 executing program 3: r0 = socket$inet(0x2, 0x4000000000000001, 0x0) setsockopt$inet_tcp_TCP_CONGESTION(r0, 0x6, 0xd, &(0x7f0000000140)='nv\x00', 0x3) sendto$inet(r0, &(0x7f0000a88f88), 0xfffffffffffffe6e, 0x20000000, &(0x7f0000e68000)={0x2, 0x0, @local={0xac, 0x14, 0x14, 0xaa}, [0x0, 0x0, 0xa33c0000]}, 0x10) shutdown(r0, 0x0) 03:40:13 executing program 4: r0 = socket$nl_xfrm(0x10, 0x3, 0x6) sendmsg$nl_xfrm(r0, &(0x7f0000000400)={&(0x7f0000000040)={0x10}, 0xc, &(0x7f00000001c0)={&(0x7f0000000080)=@updpolicy={0xb8, 0x14, 0x407, 0x0, 0x0, {{@in=@loopback=0x7f000001, @in6=@ipv4={[0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x40030000000000], [0xff, 0xff], @dev={0xac, 0x14, 0x14}}, 0x0, 0x0, 0x0, 0x0, 0x2}}}, 0xb8}, 0x1}, 0x0) 03:40:13 executing program 0: r0 = perf_event_open(&(0x7f0000000180)={0x2, 0x70, 0x3e5}, 0x0, 0x0, 0xffffffffffffffff, 0x0) ioctl(r0, 0x2, &(0x7f0000000200)="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") r1 = socket$inet_udp(0x2, 0x2, 0x0) sendto$inet(r1, &(0x7f0000000000), 0x0, 0x400c000, &(0x7f000083b000)={0x2, 0x4e20}, 0x10) r2 = syz_open_procfs(0x0, &(0x7f0000000080)='net/udp\x00') sendfile(r1, r2, &(0x7f0000000000), 0xff) 03:40:13 executing program 7: sendmsg$IPVS_CMD_FLUSH(0xffffffffffffffff, &(0x7f0000000340)={&(0x7f0000000100)={0x10}, 0xc, &(0x7f00000002c0)={&(0x7f00000001c0)=ANY=[@ANYBLOB='P\x00\x00\x00', @ANYBLOB="00000000000000000000110000002800030014000200697064647030000000000000000000000800040000000000080001000000000014000100080009000000000008005f50e2470000"], 0x2}, 0x1}, 0x0) r0 = socket$nl_generic(0x10, 0x3, 0x10) sendmsg$nl_generic(r0, &(0x7f00003cefe4)={&(0x7f0000000300)={0x10, 0x36200}, 0xc, &(0x7f0000007ff0)={&(0x7f0000000180)={0xffce, 0x2e, 0x6fd, 0x0, 0x0, {0x2004}, [@nested={0xc, 0x0, [@typed={0x62, 0x9, @ipv4}]}]}, 0xffce}, 0x1, 0x0, 0x0, 0xffffff7f}, 0x0) [ 1515.490161] 9pnet: p9_errstr2errno: server reported unknown error  [ 1515.504700] BTRFS error (device loop2): unsupported checksum algorithm 3786 [ 1515.511859] BTRFS error (device loop2): superblock checksum mismatch [ 1515.530360] 9pnet: p9_errstr2errno: server reported unknown error  03:40:13 executing program 6: perf_event_open(&(0x7f0000000180)={0x2, 0x70, 0x3e5}, 0x0, 0x0, 0xffffffffffffffff, 0x0) ioctl$KVM_CREATE_VM(0xffffffffffffffff, 0xae01, 0x0) pipe2$9p(&(0x7f0000000000)={0xffffffffffffffff, 0xffffffffffffffff}, 0x100000000000) write$P9_RLERRORu(r1, &(0x7f0000000080)=ANY=[@ANYBLOB="1400000007ffff0700"], 0x9) mkdir(&(0x7f0000000440)='.\x00', 0x0) mount$9p_fd(0x0, &(0x7f00000005c0)='./file0\x00', &(0x7f0000000600)='9p\x00', 0x0, &(0x7f0000000640)={'trans=fd,', {'rfdno', 0x3d, r0}, 0x2c, {'wfdno', 0x3d, r1}, 0x2c, {[{@version_9p2000='version=9p2000', 0x2c}]}}) 03:40:13 executing program 4: r0 = socket$nl_xfrm(0x10, 0x3, 0x6) sendmsg$nl_xfrm(r0, &(0x7f0000000400)={&(0x7f0000000040)={0x10}, 0xc, &(0x7f00000001c0)={&(0x7f0000000080)=@updpolicy={0xb8, 0x14, 0x407, 0x0, 0x0, {{@in=@loopback=0x7f000001, @in6=@ipv4={[0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x3000000], [0xff, 0xff], @dev={0xac, 0x14, 0x14}}, 0x0, 0x0, 0x0, 0x0, 0x2}}}, 0xb8}, 0x1}, 0x0) 03:40:13 executing program 7: sendmsg$IPVS_CMD_FLUSH(0xffffffffffffffff, &(0x7f0000000340)={&(0x7f0000000100)={0x10}, 0xc, &(0x7f00000002c0)={&(0x7f00000001c0)=ANY=[@ANYBLOB='P\x00\x00\x00', @ANYBLOB="00000000000000000000110000002800030014000200697064647030000000000000000000000800040000000000080001000000000014000100080009000000000008005f50e2470000"], 0x2}, 0x1}, 0x0) r0 = socket$nl_generic(0x10, 0x3, 0x10) sendmsg$nl_generic(r0, &(0x7f00003cefe4)={&(0x7f0000000300)={0x10, 0x36200}, 0xc, &(0x7f0000007ff0)={&(0x7f0000000180)={0xffce, 0x2e, 0x6fd, 0x0, 0x0, {0x2004}, [@nested={0xc, 0x0, [@typed={0x62, 0x9, @ipv4}]}]}, 0xffce}, 0x1, 0x0, 0x0, 0x10000000}, 0x0) [ 1515.548727] BTRFS error (device loop2): open_ctree failed [ 1515.573278] BTRFS error (device loop2): unsupported checksum algorithm 3786 [ 1515.580494] BTRFS error (device loop2): superblock checksum mismatch 03:40:13 executing program 0: perf_event_open(&(0x7f0000000180)={0x2, 0x70, 0x3e5}, 0x0, 0x0, 0xffffffffffffffff, 0x0) r0 = socket$inet_udp(0x2, 0x2, 0x0) r1 = openat$sequencer2(0xffffffffffffff9c, &(0x7f0000000040)='/dev/sequencer2\x00', 0x121080, 0x0) getsockopt$netlink(r1, 0x10e, 0x7, &(0x7f0000000200)=""/97, &(0x7f0000000280)=0x61) sendto$inet(r0, &(0x7f0000000000), 0x0, 0x400c000, &(0x7f000083b000)={0x2, 0x4e20}, 0x10) r2 = syz_open_procfs(0x0, &(0x7f0000000080)='net/udp\x00') ioctl$SNDRV_SEQ_IOCTL_CREATE_PORT(r2, 0xc0a85320, &(0x7f00000000c0)={{0x42, 0x1}, 'port1\x00', 0x40, 0x1, 0x380000000, 0x9, 0xd, 0x7, 0xffff, 0x0, 0x2, 0x6}) sendfile(r0, r0, &(0x7f0000000000), 0xff) 03:40:13 executing program 6: perf_event_open(&(0x7f0000000180)={0x2, 0x70, 0x3e5}, 0x0, 0x0, 0xffffffffffffffff, 0x0) syz_open_dev$amidi(&(0x7f0000000040)='/dev/amidi#\x00', 0x5, 0x758fd5d7f244f83) memfd_create(&(0x7f00000000c0)='\x00', 0x1) r0 = syz_open_dev$vcsn(&(0x7f0000000100)='/dev/vcs#\x00', 0x401, 0x113002) ioctl$KVM_CREATE_VM(r0, 0xae01, 0x0) ioctl$PERF_EVENT_IOC_RESET(r0, 0x2403, 0x9) pipe2$9p(&(0x7f0000000000)={0xffffffffffffffff, 0xffffffffffffffff}, 0x0) write$P9_RLERRORu(r2, &(0x7f0000000080)=ANY=[@ANYBLOB="1400000007ffff0700"], 0x9) seccomp(0x0, 0x1, &(0x7f0000000200)={0x1, &(0x7f0000000140)=[{0xffffffff, 0xffffffffffff970a, 0x7, 0x8001}]}) mkdir(&(0x7f0000000440)='./file0\x00', 0x0) mount$9p_fd(0x0, &(0x7f00000005c0)='./file0\x00', &(0x7f0000000600)='9p\x00', 0x0, &(0x7f0000000640)={'trans=fd,', {'rfdno', 0x3d, r1}, 0x2c, {'wfdno', 0x3d, r2}, 0x2c, {[{@version_9p2000='version=9p2000', 0x2c}]}}) [ 1515.625529] BTRFS error (device loop2): open_ctree failed [ 1515.653298] BTRFS error (device loop2): unsupported checksum algorithm 3786 [ 1515.660505] BTRFS error (device loop2): superblock checksum mismatch [ 1515.674305] 9pnet: p9_errstr2errno: server reported unknown error  [ 1515.701501] 9pnet: p9_errstr2errno: server reported unknown error  [ 1515.708107] BTRFS error (device loop2): open_ctree failed 03:40:14 executing program 5: r0 = syz_open_dev$sndseq(&(0x7f0000dcc000)='/dev/snd/seq\x00', 0x0, 0x0) read(r0, &(0x7f0000000280)=""/28, 0x58) ioctl$SNDRV_SEQ_IOCTL_CREATE_PORT(r0, 0xc0a85320, &(0x7f0000418f50)={{0x80}, "0a4ceaa05d9a00000000000000039b3fd4cec307e8ef3d13eb790ec9c65abaf90d229db692542e5b78f8b29e0a27800f0000000000000009fb42f376589701a4", 0xa9824f69d1376637, 0x10800a}) ioctl$SNDRV_SEQ_IOCTL_REMOVE_EVENTS(r0, 0x4040534e, &(0x7f000019ffe9)={0xc1}) ioctl$SNDRV_SEQ_IOCTL_SET_PORT_INFO(r0, 0x40a85321, &(0x7f0000000080)={{0x80}, 'port1\x00'}) ioctl$SNDRV_SEQ_IOCTL_SUBSCRIBE_PORT(r0, 0x40505330, &(0x7f0000000140)) openat$sequencer2(0xffffffffffffff9c, &(0x7f0000000040)='/dev/sequencer2\x00', 0x0, 0x0) 03:40:14 executing program 4: r0 = socket$nl_xfrm(0x10, 0x3, 0x6) sendmsg$nl_xfrm(r0, &(0x7f0000000400)={&(0x7f0000000040)={0x10}, 0xc, &(0x7f00000001c0)={&(0x7f0000000080)=@updpolicy={0xb8, 0x14, 0x407, 0x0, 0x0, {{@in=@loopback=0x7f000001, @in6=@ipv4={[0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xf0ffff], [0xff, 0xff], @dev={0xac, 0x14, 0x14}}, 0x0, 0x0, 0x0, 0x0, 0x2}}}, 0xb8}, 0x1}, 0x0) 03:40:14 executing program 2: r0 = socket$inet6(0xa, 0x1000000000002, 0x0) ioctl(r0, 0x8912, &(0x7f0000000280)="025cc83d6d345f8f762070") syz_mount_image$btrfs(&(0x7f0000000080)='btrfs\x00', &(0x7f0000000100)='./file0\x00', 0x0, 0x1, &(0x7f0000000200)=[{&(0x7f0000000500)="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", 0x116, 0x10000}], 0x0, &(0x7f0000000240)) 03:40:14 executing program 7: sendmsg$IPVS_CMD_FLUSH(0xffffffffffffffff, &(0x7f0000000340)={&(0x7f0000000100)={0x10}, 0xc, &(0x7f00000002c0)={&(0x7f00000001c0)=ANY=[@ANYBLOB='P\x00\x00\x00', @ANYBLOB="00000000000000000000110000002800030014000200697064647030000000000000000000000800040000000000080001000000000014000100080009000000000008005f50e2470000"], 0x2}, 0x1}, 0x0) r0 = socket$nl_generic(0x10, 0x3, 0x10) sendmsg$nl_generic(r0, &(0x7f00003cefe4)={&(0x7f0000000300)={0x10, 0x36200}, 0xc, &(0x7f0000007ff0)={&(0x7f0000000180)={0xffce, 0x2e, 0x6fd, 0x0, 0x0, {0x2004}, [@nested={0xc, 0x0, [@typed={0x62, 0x9, @ipv4}]}]}, 0xffce}, 0x1, 0x0, 0x0, 0xf000}, 0x0) 03:40:14 executing program 0: perf_event_open(&(0x7f0000000180)={0x2, 0x70, 0x3e5}, 0x0, 0x0, 0xffffffffffffffff, 0x0) r0 = socket$inet_udp(0x2, 0x2, 0x0) sendto$inet(r0, &(0x7f0000000000), 0x0, 0x400c000, &(0x7f000083b000)={0x2, 0x4e20}, 0x10) syz_open_procfs(0x0, &(0x7f0000000080)='net/udp\x00') sendfile(r0, r0, &(0x7f00000000c0), 0xff) 03:40:14 executing program 1: r0 = socket$inet6(0xa, 0x1000000000002, 0x0) ioctl(r0, 0x8912, &(0x7f0000000280)="025cc83d6d345f8f762070") syz_mount_image$btrfs(&(0x7f0000000080)='btrfs\x00', &(0x7f0000000100)='./file0\x00', 0x0, 0x1, &(0x7f0000000200)=[{&(0x7f0000000500)="8da4363a00000000680300000000004d01000000000000000000000000000000ecf6f2a2299748aeb81e1b00920efd9a000001000000000001000000000000005f42485266535f4dd2f873574f257e0a01e2a6a02f5e071383fa5a669a53f2fe9eb4eb7918628af41b", 0x69, 0x10000}], 0x0, &(0x7f0000000240)) 03:40:14 executing program 6: r0 = perf_event_open(&(0x7f0000000180)={0x2, 0x70, 0x3e5}, 0x0, 0x0, 0xffffffffffffffff, 0x0) r1 = ioctl$KVM_CREATE_VM(0xffffffffffffffff, 0xae01, 0x0) pipe2$9p(&(0x7f0000000000)={0xffffffffffffffff, 0xffffffffffffffff}, 0x0) write$P9_RLERRORu(r3, &(0x7f0000000080)=ANY=[@ANYBLOB="1400000007ffff0700"], 0x9) mkdir(&(0x7f0000000440)='./file0\x00', 0x0) r4 = openat$uinput(0xffffffffffffff9c, &(0x7f0000000040)='/dev/uinput\x00', 0x2001, 0x0) getsockopt$inet_sctp_SCTP_GET_LOCAL_ADDRS(0xffffffffffffff9c, 0x84, 0x6d, &(0x7f00000000c0)={0x0, 0x93, "eb3e38a5bcb418e872a6f6935665d90ab23f0abedfc6d851451281d2fe1019cc497da2ce80a6f3e0b26d6475e675167f321c2f4900960547e5d74b7e7093bbf20de33f533a513bee532ee0fc35007cb5bec2e35aa839bc03bff749a3a5cf713f66906a953feb02982b3e30bf56252716b23b29ba8500243407dbd4127ebc4b4006c7d603a475d4940ef00761e481d57d8dd981"}, &(0x7f0000000200)=0x9b) mount$9p_fd(0x0, &(0x7f0000000280)='./file0\x00', &(0x7f00000002c0)='9p\x00', 0x80010, &(0x7f0000000300)={'trans=fd,', {'rfdno', 0x3d, r0}, 0x2c, {'wfdno', 0x3d, r1}, 0x2c, {[{@msize={'msize', 0x3d, 0x6}, 0x2c}, {@nodevmap='nodevmap', 0x2c}, {@version_9p2000='version=9p2000', 0x2c}, {@fscache='fscache', 0x2c}, {@msize={'msize', 0x3d, 0x400}, 0x2c}, {@debug={'debug', 0x3d, 0x8}, 0x2c}, {@msize={'msize', 0x3d}, 0x2c}, {@debug={'debug', 0x3d, 0x2}, 0x2c}, {@posixacl='posixacl', 0x2c}, {@cache_loose='cache=loose', 0x2c}]}}) setsockopt$inet_sctp_SCTP_ASSOCINFO(r4, 0x84, 0x1, &(0x7f0000000240)={r5, 0x1, 0x200, 0x2, 0x1, 0x1}, 0x14) mount$9p_fd(0x0, &(0x7f00000005c0)='./file0\x00', &(0x7f0000000600)='9p\x00', 0x0, &(0x7f0000000640)={'trans=fd,', {'rfdno', 0x3d, r2}, 0x2c, {'wfdno', 0x3d, r3}, 0x2c, {[{@version_9p2000='version=9p2000', 0x2c}]}}) 03:40:14 executing program 3: r0 = socket$inet(0x2, 0x4000000000000001, 0x0) setsockopt$inet_tcp_TCP_CONGESTION(r0, 0x6, 0xd, &(0x7f0000000140)='nv\x00', 0x3) sendto$inet(r0, &(0x7f0000a88f88), 0xfffffffffffffe6e, 0x20000000, &(0x7f0000e68000)={0x2, 0x0, @local={0xac, 0x14, 0x14, 0xaa}, [0x0, 0x0, 0xa33c000000000000]}, 0x10) shutdown(r0, 0x0) 03:40:14 executing program 4: r0 = socket$nl_xfrm(0x10, 0x3, 0x6) sendmsg$nl_xfrm(r0, &(0x7f0000000400)={&(0x7f0000000040)={0x10}, 0xc, &(0x7f00000001c0)={&(0x7f0000000080)=@updpolicy={0xb8, 0x14, 0x407, 0x0, 0x0, {{@in=@loopback=0x7f000001, @in6=@ipv4={[0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xf], [0xff, 0xff], @dev={0xac, 0x14, 0x14}}, 0x0, 0x0, 0x0, 0x0, 0x2}}}, 0xb8}, 0x1}, 0x0) 03:40:14 executing program 7: sendmsg$IPVS_CMD_FLUSH(0xffffffffffffffff, &(0x7f0000000340)={&(0x7f0000000100)={0x10}, 0xc, &(0x7f00000002c0)={&(0x7f00000001c0)=ANY=[@ANYBLOB='P\x00\x00\x00', @ANYBLOB="00000000000000000000110000002800030014000200697064647030000000000000000000000800040000000000080001000000000014000100080009000000000008005f50e2470000"], 0x2}, 0x1}, 0x0) r0 = socket$nl_generic(0x10, 0x3, 0x10) sendmsg$nl_generic(r0, &(0x7f00003cefe4)={&(0x7f0000000300)={0x10, 0x36200}, 0xc, &(0x7f0000007ff0)={&(0x7f0000000180)={0xffce, 0x2e, 0x6fd, 0x0, 0x0, {0x2004}, [@nested={0xc, 0x0, [@typed={0x62, 0x9, @ipv4}]}]}, 0xffce}, 0x1, 0x0, 0x0, 0x5}, 0x0) [ 1516.555245] 9pnet: p9_errstr2errno: server reported unknown error  [ 1516.565980] BTRFS error (device loop2): unsupported checksum algorithm 3786 [ 1516.573194] BTRFS error (device loop2): superblock checksum mismatch 03:40:14 executing program 0: perf_event_open(&(0x7f0000000180)={0x2, 0x70, 0x3e5}, 0x0, 0x0, 0xffffffffffffffff, 0x0) r0 = socket$inet_udp(0x2, 0x2, 0x0) sendto$inet(r0, &(0x7f0000000000), 0x0, 0x400c000, &(0x7f000083b000)={0x2, 0x4e20}, 0x10) accept4$packet(0xffffffffffffffff, &(0x7f0000000140)={0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @link_local}, &(0x7f0000000200)=0x14, 0x80800) setsockopt$inet_pktinfo(r0, 0x0, 0x8, &(0x7f0000000240)={r1, @loopback=0x7f000001, @loopback=0x7f000001}, 0xc) r2 = syz_open_procfs(0x0, &(0x7f0000000080)='net/udp\x00') sendfile(r0, r2, &(0x7f0000000000), 0xff) statfs(&(0x7f0000000040)='./file0\x00', &(0x7f00000000c0)=""/128) 03:40:14 executing program 4: r0 = socket$nl_xfrm(0x10, 0x3, 0x6) sendmsg$nl_xfrm(r0, &(0x7f0000000400)={&(0x7f0000000040)={0x10}, 0xc, &(0x7f00000001c0)={&(0x7f0000000080)=@updpolicy={0xb8, 0x14, 0x407, 0x0, 0x0, {{@in=@loopback=0x7f000001, @in6=@ipv4={[0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xffffff7f], [0xff, 0xff], @dev={0xac, 0x14, 0x14}}, 0x0, 0x0, 0x0, 0x0, 0x2}}}, 0xb8}, 0x1}, 0x0) 03:40:14 executing program 6: perf_event_open(&(0x7f0000000180)={0x2, 0x70, 0x3e5}, 0x0, 0x0, 0xffffffffffffffff, 0x0) openat$ipvs(0xffffffffffffff9c, &(0x7f0000000040)='/proc/sys/net/ipv4/vs/sync_persist_mode\x00', 0x2, 0x0) r0 = syz_open_dev$admmidi(&(0x7f00000000c0)='/dev/admmidi#\x00', 0x3df7, 0x200000) r1 = add_key(&(0x7f0000000100)='dns_resolver\x00', &(0x7f0000000140)={0x73, 0x79, 0x7a, 0x1}, &(0x7f0000000200)="f9c5bfa254c7d75b22766a4b4939f13a7c249de357e562c8a4f9deb16d15eb8332de85e3973cc6d9bb576fd809eb4c677ca998c24ffff7043909b9d6ad5e2bb5429a80b2f7a6f91d950faca98b37aac07c183a549fe6c3f6bf8b3744716c83418c829b446b9af0143b850ea23bfade2d", 0x70, 0xfffffffffffffffa) r2 = request_key(&(0x7f0000000280)='syzkaller\x00', &(0x7f00000002c0)={0x73, 0x79, 0x7a, 0x3}, &(0x7f0000000300)='version=9p2000', 0xffffffffffffffff) keyctl$unlink(0x9, r1, r2) ioctl$KVM_CREATE_VM(r0, 0xae01, 0x0) pipe2$9p(&(0x7f0000000000)={0xffffffffffffffff, 0xffffffffffffffff}, 0x0) write$P9_RLERRORu(r4, &(0x7f0000000080)=ANY=[@ANYBLOB="1400000007ffff0700"], 0x9) mkdir(&(0x7f0000000440)='./file0\x00', 0x0) mount$9p_fd(0x0, &(0x7f00000005c0)='./file0\x00', &(0x7f0000000600)='9p\x00', 0x0, &(0x7f0000000640)={'trans=fd,', {'rfdno', 0x3d, r3}, 0x2c, {'wfdno', 0x3d, r4}, 0x2c, {[{@version_9p2000='version=9p2000', 0x2c}]}}) 03:40:14 executing program 7: sendmsg$IPVS_CMD_FLUSH(0xffffffffffffffff, &(0x7f0000000340)={&(0x7f0000000100)={0x10}, 0xc, &(0x7f00000002c0)={&(0x7f00000001c0)=ANY=[@ANYBLOB='P\x00\x00\x00', @ANYBLOB="00000000000000000000110000002800030014000200697064647030000000000000000000000800040000000000080001000000000014000100080009000000000008005f50e2470000"], 0x2}, 0x1}, 0x0) r0 = socket$nl_generic(0x10, 0x3, 0x10) sendmsg$nl_generic(r0, &(0x7f00003cefe4)={&(0x7f0000000300)={0x10, 0x36200}, 0xc, &(0x7f0000007ff0)={&(0x7f0000000180)={0xffce, 0x2e, 0x6fd, 0x0, 0x0, {0x2004}, [@nested={0xc, 0x0, [@typed={0x62, 0x9, @ipv4}]}]}, 0xffce}, 0x1, 0x0, 0x0, 0x900000000000000}, 0x0) [ 1516.614401] BTRFS error (device loop2): open_ctree failed [ 1516.624687] 9pnet: p9_errstr2errno: server reported unknown error  [ 1516.632884] BTRFS error (device loop2): unsupported checksum algorithm 3786 [ 1516.640066] BTRFS error (device loop2): superblock checksum mismatch 03:40:14 executing program 4: r0 = socket$nl_xfrm(0x10, 0x3, 0x6) sendmsg$nl_xfrm(r0, &(0x7f0000000400)={&(0x7f0000000040)={0x10}, 0xc, &(0x7f00000001c0)={&(0x7f0000000080)=@updpolicy={0xb8, 0x14, 0x407, 0x0, 0x0, {{@in=@loopback=0x7f000001, @in6=@ipv4={[0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x300], [0xff, 0xff], @dev={0xac, 0x14, 0x14}}, 0x0, 0x0, 0x0, 0x0, 0x2}}}, 0xb8}, 0x1}, 0x0) 03:40:14 executing program 2: r0 = socket$inet6(0xa, 0x1000000000002, 0x0) ioctl(r0, 0x8912, &(0x7f0000000280)="025cc83d6d345f8f762070") syz_mount_image$btrfs(&(0x7f0000000080)='btrfs\x00', &(0x7f0000000100)='./file0\x00', 0x0, 0x1, &(0x7f0000000200)=[{&(0x7f0000000500)="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", 0x116, 0x10000}], 0x0, &(0x7f0000000240)) [ 1516.700637] BTRFS error (device loop2): open_ctree failed [ 1516.722320] 9pnet: p9_errstr2errno: server reported unknown error  [ 1516.771000] BTRFS error (device loop2): unsupported checksum algorithm 3786 [ 1516.778211] BTRFS error (device loop2): superblock checksum mismatch [ 1516.795297] BTRFS error (device loop2): open_ctree failed [ 1516.815576] BTRFS error (device loop2): unsupported checksum algorithm 3786 [ 1516.822732] BTRFS error (device loop2): superblock checksum mismatch [ 1516.829598] BTRFS error (device loop2): open_ctree failed 03:40:15 executing program 5: r0 = syz_open_dev$sndseq(&(0x7f0000dcc000)='/dev/snd/seq\x00', 0x0, 0x0) read(r0, &(0x7f0000000280)=""/28, 0x58) ioctl$SNDRV_SEQ_IOCTL_CREATE_PORT(r0, 0xc0a85320, &(0x7f0000418f50)={{0x80}, "0a4ceaa05d9a00000000000000039b3fd4cec307e8ef3d13eb790ec9c65abaf90d229db692542e5b78f8b29e0a27800f0000000000000009fb42f376589701a4", 0xa9824f69d1376637, 0x10800a}) ioctl$SNDRV_SEQ_IOCTL_REMOVE_EVENTS(r0, 0x4040534e, &(0x7f000019ffe9)={0xc1}) ioctl$SNDRV_SEQ_IOCTL_SET_PORT_INFO(r0, 0x5450, &(0x7f0000000080)={{0x80}, 'port1\x00'}) ioctl$SNDRV_SEQ_IOCTL_SUBSCRIBE_PORT(r0, 0x40505330, &(0x7f0000000140)) openat$sequencer2(0xffffffffffffff9c, &(0x7f0000000040)='/dev/sequencer2\x00', 0x0, 0x0) 03:40:15 executing program 0: perf_event_open(&(0x7f0000000180)={0x2, 0x70, 0x3e5}, 0x0, 0x0, 0xffffffffffffffff, 0x0) r0 = socket$inet_udp(0x2, 0x2, 0x0) mount$9p_tcp(&(0x7f0000000040)='127.0.0.1\x00', &(0x7f00000000c0)='./file0\x00', &(0x7f00000003c0)='9p\x00', 0x1, &(0x7f0000000140)=ANY=[]) sendto$inet(r0, &(0x7f0000000000), 0x0, 0x400c000, &(0x7f000083b000)={0x2, 0x4e20}, 0x10) r1 = syz_open_procfs(0x0, &(0x7f0000000080)='net/udp\x00') sendfile(r0, r1, &(0x7f0000000000), 0xff) 03:40:15 executing program 7: sendmsg$IPVS_CMD_FLUSH(0xffffffffffffffff, &(0x7f0000000340)={&(0x7f0000000100)={0x10}, 0xc, &(0x7f00000002c0)={&(0x7f00000001c0)=ANY=[@ANYBLOB='P\x00\x00\x00', @ANYBLOB="00000000000000000000110000002800030014000200697064647030000000000000000000000800040000000000080001000000000014000100080009000000000008005f50e2470000"], 0x2}, 0x1}, 0x0) r0 = socket$nl_generic(0x10, 0x3, 0x10) sendmsg$nl_generic(r0, &(0x7f00003cefe4)={&(0x7f0000000300)={0x10, 0x36200}, 0xc, &(0x7f0000007ff0)={&(0x7f0000000180)={0xffce, 0x2e, 0x6fd, 0x0, 0x0, {0x2004}, [@nested={0xc, 0x0, [@typed={0x62, 0x9, @ipv4}]}]}, 0xffce}, 0x1, 0x0, 0x0, 0xa00000000000000}, 0x0) 03:40:15 executing program 4: r0 = socket$nl_xfrm(0x10, 0x3, 0x6) sendmsg$nl_xfrm(r0, &(0x7f0000000400)={&(0x7f0000000040)={0x10}, 0xc, &(0x7f00000001c0)={&(0x7f0000000080)=@updpolicy={0xb8, 0x14, 0x407, 0x0, 0x0, {{@in=@loopback=0x7f000001, @in6=@ipv4={[0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x400300], [0xff, 0xff], @dev={0xac, 0x14, 0x14}}, 0x0, 0x0, 0x0, 0x0, 0x2}}}, 0xb8}, 0x1}, 0x0) 03:40:15 executing program 1: r0 = socket$inet6(0xa, 0x1000000000002, 0x0) ioctl(r0, 0x8912, &(0x7f0000000280)="025cc83d6d345f8f762070") syz_mount_image$btrfs(&(0x7f0000000080)='btrfs\x00', &(0x7f0000000100)='./file0\x00', 0x0, 0x1, &(0x7f0000000200)=[{&(0x7f0000000500)="8da4363a00000000241501000000004d01000000000000000000000000000000ecf6f2a2299748aeb81e1b00920efd9a000001000000000001000000000000005f42485266535f4dd2f873574f257e0a01e2a6a02f5e071383fa5a669a53f2fe9eb4eb7918628af41b", 0x69, 0x10000}], 0x0, &(0x7f0000000240)) 03:40:15 executing program 6: perf_event_open(&(0x7f0000000180)={0x2, 0x70, 0x3e5}, 0x0, 0x0, 0xffffffffffffffff, 0x0) ioctl$KVM_CREATE_VM(0xffffffffffffffff, 0xae01, 0x0) openat$autofs(0xffffffffffffff9c, &(0x7f0000000080)='/dev/autofs\x00', 0x600000, 0x0) pipe2$9p(&(0x7f0000000000)={0xffffffffffffffff, 0xffffffffffffffff}, 0x0) write$P9_RLERRORu(r1, &(0x7f0000000040)=ANY=[@ANYBLOB="1400000007ffff070050f285050bc1004f6653"], 0x9) mkdir(&(0x7f0000000440)='./file0\x00', 0x0) mount$9p_fd(0x0, &(0x7f00000005c0)='./file0\x00', &(0x7f0000000600)='9p\x00', 0x0, &(0x7f0000000640)={'trans=fd,', {'rfdno', 0x3d, r0}, 0x2c, {'wfdno', 0x3d, r1}, 0x2c, {[{@version_9p2000='version=9p2000', 0x2c}]}}) 03:40:15 executing program 2: r0 = socket$inet6(0xa, 0x1000000000002, 0x0) ioctl(r0, 0x8912, &(0x7f0000000280)="025cc83d6d345f8f762070") syz_mount_image$btrfs(&(0x7f0000000080)='btrfs\x00', &(0x7f0000000100)='./file0\x00', 0x0, 0x1, &(0x7f0000000200)=[{&(0x7f0000000500)="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", 0x116, 0x10000}], 0x0, &(0x7f0000000240)) 03:40:15 executing program 3: r0 = socket$inet(0x2, 0x4000000000000001, 0x0) setsockopt$inet_tcp_TCP_CONGESTION(r0, 0x6, 0xd, &(0x7f0000000140)='nv\x00', 0x3) sendto$inet(r0, &(0x7f0000a88f88), 0xfffffffffffffe6e, 0x20000000, &(0x7f0000e68000)={0x2, 0x0, @local={0xac, 0x14, 0x14, 0xaa}, [0x0, 0x0, 0xfeffffff00000000]}, 0x10) shutdown(r0, 0x0) [ 1517.684263] nla_parse: 33 callbacks suppressed [ 1517.684272] netlink: 104 bytes leftover after parsing attributes in process `syz-executor4'. [ 1517.693067] BTRFS error (device loop2): unsupported checksum algorithm 3786 [ 1517.704685] BTRFS error (device loop2): superblock checksum mismatch [ 1517.712059] netlink: 65362 bytes leftover after parsing attributes in process `syz-executor7'. [ 1517.720886] net_ratelimit: 42 callbacks suppressed [ 1517.720894] openvswitch: netlink: ufid size 94 bytes exceeds the range (1, 16) 03:40:15 executing program 0: perf_event_open(&(0x7f0000000180)={0x2, 0x70, 0x3e5}, 0x0, 0x0, 0xffffffffffffffff, 0x0) r0 = socket$inet_udp(0x2, 0x2, 0x0) mkdirat$cgroup_root(0xffffffffffffff9c, &(0x7f0000000040)='./cgroup.cpu/syz0\x00', 0x1ff) sendto$inet(r0, &(0x7f0000000000), 0x0, 0x400c000, &(0x7f000083b000)={0x2, 0x4e20}, 0x10) r1 = syz_open_procfs(0x0, &(0x7f0000000080)='net/udp\x00') sendfile(r0, r1, &(0x7f0000000000), 0xff) [ 1517.733212] openvswitch: netlink: Flow set message rejected, Key attribute missing. [ 1517.745052] 9pnet: p9_errstr2errno: server reported unknown error  [ 1517.755398] BTRFS error (device loop2): open_ctree failed [ 1517.764003] BTRFS error (device loop2): unsupported checksum algorithm 3786 [ 1517.771197] BTRFS error (device loop2): superblock checksum mismatch 03:40:15 executing program 4: r0 = socket$nl_xfrm(0x10, 0x3, 0x6) sendmsg$nl_xfrm(r0, &(0x7f0000000400)={&(0x7f0000000040)={0x10}, 0xc, &(0x7f00000001c0)={&(0x7f0000000080)=@updpolicy={0xb8, 0x14, 0x407, 0x0, 0x0, {{@in=@loopback=0x7f000001, @in6=@ipv4={[0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xf00], [0xff, 0xff], @dev={0xac, 0x14, 0x14}}, 0x0, 0x0, 0x0, 0x0, 0x2}}}, 0xb8}, 0x1}, 0x0) 03:40:15 executing program 6: perf_event_open(&(0x7f0000000180)={0x2, 0x70, 0x3e5}, 0x0, 0x0, 0xffffffffffffffff, 0x0) r0 = ioctl$KVM_CREATE_VM(0xffffffffffffffff, 0xae01, 0x0) r1 = dup(r0) write$P9_RREADLINK(r1, &(0x7f0000000040)={0x10, 0x17, 0x2, {0x7, './file0'}}, 0x10) pipe2$9p(&(0x7f0000000000)={0xffffffffffffffff, 0xffffffffffffffff}, 0x200004000) recvfrom(r3, &(0x7f00000000c0)=""/135, 0x87, 0x100, 0x0, 0x0) write$P9_RLERRORu(r3, &(0x7f0000000080)=ANY=[@ANYBLOB="1400000007ffff0700"], 0x9) mkdir(&(0x7f0000000440)='./file0\x00', 0x0) mount$9p_fd(0x0, &(0x7f00000005c0)='./file0\x00', &(0x7f0000000600)='9p\x00', 0x0, &(0x7f0000000200)=ANY=[@ANYBLOB="4107db6f1e22925c07b964b7cec8e76decc85d337972c548eeead8975e417606b5695a0d437466a1207d371a5e876ebeaca583fd24fbc3cf2969cd032fe0ea9f27695a9f18b8d7c72f1dc306713763aa674813d5b00b6c9f7d9be9d5ac1b7ae75d6c6954297660ecbb720dda211233525f565a26e41c6cf429850d385db1aac2a5ed97906e93e0609d3573216059033cb87bf0931fc675d4b54c8efdbe2d345154286ca5014ec4a489b38a8c18a08c50", @ANYRESHEX=r2, @ANYBLOB=',wfdno=', @ANYRESHEX=r3, @ANYBLOB=',version=9p2000,\x00']) 03:40:15 executing program 2: r0 = socket$inet6(0xa, 0x1000000000002, 0x0) ioctl(r0, 0x8912, &(0x7f0000000280)="025cc83d6d345f8f762070") syz_mount_image$btrfs(&(0x7f0000000080)='btrfs\x00', &(0x7f0000000100)='./file0\x00', 0x0, 0x1, &(0x7f0000000200)=[{&(0x7f0000000500)="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", 0x116, 0x10000}], 0x0, &(0x7f0000000240)) 03:40:15 executing program 0: perf_event_open(&(0x7f0000000180)={0x2, 0x70, 0x3e5, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x200}, 0x0, 0x0, 0xffffffffffffffff, 0x0) r0 = socket$inet_udp(0x2, 0x2, 0x0) getsockopt$IP6T_SO_GET_REVISION_MATCH(r0, 0x29, 0x44, &(0x7f0000000140)={'ipvs\x00'}, &(0x7f0000000200)=0x1e) setsockopt$IP_VS_SO_SET_TIMEOUT(r0, 0x0, 0x48a, &(0x7f0000000240)={0xab2, 0x80000000, 0x40e}, 0xc) sendto$inet(r0, &(0x7f0000000000), 0x0, 0x400c000, &(0x7f000083b000)={0x2, 0x4e20}, 0x10) syz_init_net_socket$nfc_llcp(0x27, 0xfffffffffffffffe, 0x1) r1 = syz_open_procfs(0x0, &(0x7f0000000080)='net/udp\x00') sendfile(r0, r1, &(0x7f0000000000), 0xff) r2 = openat$ipvs(0xffffffffffffff9c, &(0x7f0000000040)='/proc/sys/net/ipv4/vs/amemthresh\x00', 0x2, 0x0) ioctl$GIO_FONTX(r1, 0x4b6b, &(0x7f00000000c0)=""/103) ioctl$RTC_AIE_OFF(r2, 0x7002) 03:40:15 executing program 4: r0 = socket$nl_xfrm(0x10, 0x3, 0x6) sendmsg$nl_xfrm(r0, &(0x7f0000000400)={&(0x7f0000000040)={0x10}, 0xc, &(0x7f00000001c0)={&(0x7f0000000080)=@updpolicy={0xb8, 0x14, 0x407, 0x0, 0x0, {{@in=@loopback=0x7f000001, @in6=@ipv4={[0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xf00000000000000], [0xff, 0xff], @dev={0xac, 0x14, 0x14}}, 0x0, 0x0, 0x0, 0x0, 0x2}}}, 0xb8}, 0x1}, 0x0) [ 1517.780006] netlink: 65362 bytes leftover after parsing attributes in process `syz-executor7'. [ 1517.788832] openvswitch: netlink: ufid size 94 bytes exceeds the range (1, 16) [ 1517.796232] openvswitch: netlink: Flow set message rejected, Key attribute missing. [ 1517.804002] netlink: 104 bytes leftover after parsing attributes in process `syz-executor4'. [ 1517.819254] BTRFS error (device loop2): open_ctree failed 03:40:16 executing program 7: sendmsg$IPVS_CMD_FLUSH(0xffffffffffffffff, &(0x7f0000000340)={&(0x7f0000000100)={0x10}, 0xc, &(0x7f00000002c0)={&(0x7f00000001c0)=ANY=[@ANYBLOB='P\x00\x00\x00', @ANYBLOB="00000000000000000000110000002800030014000200697064647030000000000000000000000800040000000000080001000000000014000100080009000000000008005f50e2470000"], 0x2}, 0x1}, 0x0) r0 = socket$nl_generic(0x10, 0x3, 0x10) sendmsg$nl_generic(r0, &(0x7f00003cefe4)={&(0x7f0000000300)={0x10, 0x36200}, 0xc, &(0x7f0000007ff0)={&(0x7f0000000180)={0xffce, 0x2e, 0x6fd, 0x0, 0x0, {0x2004}, [@nested={0xc, 0x0, [@typed={0x62, 0x9, @ipv4}]}]}, 0xffce}, 0x1, 0x0, 0x0, 0x300}, 0x0) 03:40:16 executing program 1: r0 = socket$inet6(0xa, 0x1000000000002, 0x0) ioctl(r0, 0x8912, &(0x7f0000000280)="025cc83d6d345f8f762070") syz_mount_image$btrfs(&(0x7f0000000080)='btrfs\x00', &(0x7f0000000100)='./file0\x00', 0x0, 0x1, &(0x7f0000000200)=[{&(0x7f0000000500)="8da4363a00000000000002d40000004d01000000000000000000000000000000ecf6f2a2299748aeb81e1b00920efd9a000001000000000001000000000000005f42485266535f4dd2f873574f257e0a01e2a6a02f5e071383fa5a669a53f2fe9eb4eb7918628af41b", 0x69, 0x10000}], 0x0, &(0x7f0000000240)) [ 1517.887167] 9pnet_virtio: no channels available for device (null) [ 1517.897281] netlink: 104 bytes leftover after parsing attributes in process `syz-executor4'. [ 1517.927021] BTRFS error (device loop2): unsupported checksum algorithm 3786 [ 1517.929607] netlink: 65362 bytes leftover after parsing attributes in process `syz-executor7'. [ 1517.934210] BTRFS error (device loop2): superblock checksum mismatch [ 1517.942953] openvswitch: netlink: ufid size 94 bytes exceeds the range (1, 16) [ 1517.942964] openvswitch: netlink: Flow set message rejected, Key attribute missing. [ 1517.972502] 9pnet_virtio: no channels available for device (null) [ 1517.974752] BTRFS error (device loop2): open_ctree failed [ 1517.987307] BTRFS error (device loop1): superblock checksum mismatch [ 1517.994472] BTRFS error (device loop1): open_ctree failed [ 1518.019325] netlink: 65362 bytes leftover after parsing attributes in process `syz-executor7'. [ 1518.028160] openvswitch: netlink: ufid size 94 bytes exceeds the range (1, 16) [ 1518.035534] openvswitch: netlink: Flow set message rejected, Key attribute missing. [ 1518.046740] print_req_error: I/O error, dev loop1, sector 128 [ 1518.057767] BTRFS error (device loop2): unsupported checksum algorithm 3786 [ 1518.064927] BTRFS error (device loop2): superblock checksum mismatch [ 1518.072860] BTRFS error (device loop2): open_ctree failed [ 1518.085129] print_req_error: I/O error, dev loop2, sector 128 03:40:16 executing program 5: r0 = syz_open_dev$sndseq(&(0x7f0000dcc000)='/dev/snd/seq\x00', 0x0, 0x0) read(r0, &(0x7f0000000280)=""/28, 0x58) ioctl$SNDRV_SEQ_IOCTL_CREATE_PORT(r0, 0xc0a85320, &(0x7f0000418f50)={{0x80}, "0a4ceaa05d9a00000000000000039b3fd4cec307e8ef3d13eb790ec9c65abaf90d229db692542e5b78f8b29e0a27800f0000000000000009fb42f376589701a4", 0xa9824f69d1376637, 0x10800a}) ioctl$SNDRV_SEQ_IOCTL_REMOVE_EVENTS(r0, 0x4040534e, &(0x7f000019ffe9)={0xc1}) ioctl$SNDRV_SEQ_IOCTL_SET_PORT_INFO(r0, 0x4020940d, &(0x7f0000000080)={{0x80}, 'port1\x00'}) ioctl$SNDRV_SEQ_IOCTL_SUBSCRIBE_PORT(r0, 0x40505330, &(0x7f0000000140)) openat$sequencer2(0xffffffffffffff9c, &(0x7f0000000040)='/dev/sequencer2\x00', 0x0, 0x0) 03:40:16 executing program 4: r0 = socket$nl_xfrm(0x10, 0x3, 0x6) sendmsg$nl_xfrm(r0, &(0x7f0000000400)={&(0x7f0000000040)={0x10}, 0xc, &(0x7f00000001c0)={&(0x7f0000000080)=@updpolicy={0xb8, 0x14, 0x407, 0x0, 0x0, {{@in=@loopback=0x7f000001, @in6=@ipv4={[0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xfffff000], [0xff, 0xff], @dev={0xac, 0x14, 0x14}}, 0x0, 0x0, 0x0, 0x0, 0x2}}}, 0xb8}, 0x1}, 0x0) 03:40:16 executing program 0: clone(0x0, &(0x7f00000001c0), &(0x7f00000000c0), &(0x7f0000000100), &(0x7f0000000140)) fchownat(0xffffffffffffffff, &(0x7f0000000380)='./file0\x00', 0x0, 0x0, 0x0) 03:40:16 executing program 6: r0 = perf_event_open(&(0x7f0000000180)={0x2, 0x70, 0x3e5}, 0x0, 0x0, 0xffffffffffffffff, 0x0) ioctl$KVM_CREATE_VM(0xffffffffffffffff, 0xae01, 0x0) pipe2$9p(&(0x7f0000000000)={0xffffffffffffffff, 0xffffffffffffffff}, 0x0) accept4$vsock_stream(r2, &(0x7f0000000200)={0x28, 0x0, 0x2711, @host=0x2}, 0x10, 0x800) ioctl$PERF_EVENT_IOC_SET_OUTPUT(r0, 0x2405, r0) write$P9_RLERRORu(r2, &(0x7f0000000080)=ANY=[@ANYBLOB="1400000007ffff0700"], 0x9) mkdir(&(0x7f0000000440)='./file0\x00', 0x0) mount$9p_fd(0x0, &(0x7f00000005c0)='./file0\x00', &(0x7f0000000600)='9p\x00', 0x0, &(0x7f0000000640)={'trans=fd,', {'rfdno', 0x3d, r1}, 0x2c, {'wfdno', 0x3d, r2}, 0x2c, {[{@version_9p2000='version=9p2000', 0x2c}]}}) getsockname(0xffffffffffffffff, &(0x7f00000000c0)=@pppol2tp={0x0, 0x0, {0x0, 0xffffffffffffffff}}, &(0x7f0000000040)=0x80) setsockopt$inet_sctp6_SCTP_AUTO_ASCONF(r3, 0x84, 0x1e, &(0x7f0000000140)=0x4, 0x4) 03:40:16 executing program 7: sendmsg$IPVS_CMD_FLUSH(0xffffffffffffffff, &(0x7f0000000340)={&(0x7f0000000100)={0x10}, 0xc, &(0x7f00000002c0)={&(0x7f00000001c0)=ANY=[@ANYBLOB='P\x00\x00\x00', @ANYBLOB="00000000000000000000110000002800030014000200697064647030000000000000000000000800040000000000080001000000000014000100080009000000000008005f50e2470000"], 0x2}, 0x1}, 0x0) r0 = socket$nl_generic(0x10, 0x3, 0x10) sendmsg$nl_generic(r0, &(0x7f00003cefe4)={&(0x7f0000000300)={0x10, 0x36200}, 0xc, &(0x7f0000007ff0)={&(0x7f0000000180)={0xffce, 0x2e, 0x6fd, 0x0, 0x0, {0x2004}, [@nested={0xc, 0x0, [@typed={0x62, 0x9, @ipv4}]}]}, 0xffce}, 0x1, 0x0, 0x0, 0x48}, 0x0) 03:40:16 executing program 2: r0 = socket$inet6(0xa, 0x1000000000002, 0x0) ioctl(r0, 0x8912, &(0x7f0000000280)="025cc83d6d345f8f762070") syz_mount_image$btrfs(&(0x7f0000000080)='btrfs\x00', &(0x7f0000000100)='./file0\x00', 0x0, 0x1, &(0x7f0000000200)=[{&(0x7f0000000500)="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", 0x116, 0x10000}], 0x0, &(0x7f0000000240)) 03:40:16 executing program 1: r0 = socket$inet6(0xa, 0x1000000000002, 0x0) ioctl(r0, 0x8912, &(0x7f0000000280)="025cc83d6d345f8f762070") syz_mount_image$btrfs(&(0x7f0000000080)='btrfs\x00', &(0x7f0000000100)='./file0\x00', 0x0, 0x1, &(0x7f0000000200)=[{&(0x7f0000000500)="8da4363a00000000000003f60000004d01000000000000000000000000000000ecf6f2a2299748aeb81e1b00920efd9a000001000000000001000000000000005f42485266535f4dd2f873574f257e0a01e2a6a02f5e071383fa5a669a53f2fe9eb4eb7918628af41b", 0x69, 0x10000}], 0x0, &(0x7f0000000240)) 03:40:16 executing program 3: r0 = socket$inet(0x2, 0x4000000000000001, 0x0) setsockopt$inet_tcp_TCP_CONGESTION(r0, 0x6, 0xd, &(0x7f0000000140)='nv\x00', 0x3) sendto$inet(r0, &(0x7f0000a88f88), 0xfffffffffffffe6e, 0x20000000, &(0x7f0000e68000)={0x2, 0x0, @local={0xac, 0x14, 0x14, 0xaa}, [0x0, 0x0, 0x1802000000000000]}, 0x10) shutdown(r0, 0x0) [ 1518.769769] netlink: 104 bytes leftover after parsing attributes in process `syz-executor4'. [ 1518.786770] netlink: 65362 bytes leftover after parsing attributes in process `syz-executor7'. [ 1518.795609] openvswitch: netlink: ufid size 94 bytes exceeds the range (1, 16) [ 1518.803007] openvswitch: netlink: Flow set message rejected, Key attribute missing. 03:40:16 executing program 4: r0 = socket$nl_xfrm(0x10, 0x3, 0x6) sendmsg$nl_xfrm(r0, &(0x7f0000000400)={&(0x7f0000000040)={0x10}, 0xc, &(0x7f00000001c0)={&(0x7f0000000080)=@updpolicy={0xb8, 0x14, 0x407, 0x0, 0x0, {{@in=@loopback=0x7f000001, @in6=@ipv4={[0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x37230000], [0xff, 0xff], @dev={0xac, 0x14, 0x14}}, 0x0, 0x0, 0x0, 0x0, 0x2}}}, 0xb8}, 0x1}, 0x0) [ 1518.813826] 9pnet: p9_errstr2errno: server reported unknown error  [ 1518.828162] print_req_error: I/O error, dev loop1, sector 128 [ 1518.833285] 9pnet: p9_errstr2errno: server reported unknown error  [ 1518.847372] BTRFS error (device loop2): unsupported checksum algorithm 3786 [ 1518.854614] BTRFS error (device loop2): superblock checksum mismatch 03:40:16 executing program 0: 03:40:16 executing program 6: perf_event_open(&(0x7f0000000180)={0x2, 0x70, 0x3e5}, 0x0, 0x0, 0xffffffffffffffff, 0x0) ioctl$KVM_CREATE_VM(0xffffffffffffffff, 0xae01, 0x0) r0 = openat$md(0xffffffffffffff9c, &(0x7f0000000040)='/dev/md0\x00', 0x800, 0x0) ioctl$BLKIOOPT(r0, 0x1279, &(0x7f00000000c0)) r1 = socket$inet6(0xa, 0x80007, 0xfffffffffffffff7) getsockopt$inet6_mreq(r1, 0x29, 0x14, &(0x7f0000000100)={@ipv4={[], [], @multicast2}}, &(0x7f0000000140)=0x14) pipe2$9p(&(0x7f0000000000)={0xffffffffffffffff, 0xffffffffffffffff}, 0x0) write$P9_RLERRORu(r3, &(0x7f0000000080)=ANY=[@ANYBLOB="1400000007ff000700"], 0x9) mkdir(&(0x7f0000000440)='./file0\x00', 0x0) mount$9p_fd(0x0, &(0x7f00000005c0)='./file0\x00', &(0x7f0000000600)='9p\x00', 0x0, &(0x7f0000000640)={'trans=fd,', {'rfdno', 0x3d, r2}, 0x2c, {'wfdno', 0x3d, r3}, 0x2c, {[{@version_9p2000='version=9p2000', 0x2c}]}}) r4 = syz_open_dev$mouse(&(0x7f0000000200)='/dev/input/mouse#\x00', 0x7, 0x40000) ioctl$KVM_HAS_DEVICE_ATTR(r4, 0x4018aee3, &(0x7f0000000280)={0x0, 0x9f4, 0x2, &(0x7f0000000240)=0xfff}) 03:40:17 executing program 0: 03:40:17 executing program 4: r0 = socket$nl_xfrm(0x10, 0x3, 0x6) sendmsg$nl_xfrm(r0, &(0x7f0000000400)={&(0x7f0000000040)={0x10}, 0xc, &(0x7f00000001c0)={&(0x7f0000000080)=@updpolicy={0xb8, 0x14, 0x407, 0x0, 0x0, {{@in=@loopback=0x7f000001, @in6=@ipv4={[0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x100000000000000], [0xff, 0xff], @dev={0xac, 0x14, 0x14}}, 0x0, 0x0, 0x0, 0x0, 0x2}}}, 0xb8}, 0x1}, 0x0) [ 1518.876033] netlink: 65362 bytes leftover after parsing attributes in process `syz-executor7'. [ 1518.904758] BTRFS error (device loop2): open_ctree failed [ 1518.912789] BTRFS error (device loop2): unsupported checksum algorithm 3786 [ 1518.919949] BTRFS error (device loop2): superblock checksum mismatch 03:40:17 executing program 7: sendmsg$IPVS_CMD_FLUSH(0xffffffffffffffff, &(0x7f0000000340)={&(0x7f0000000100)={0x10}, 0xc, &(0x7f00000002c0)={&(0x7f00000001c0)=ANY=[@ANYBLOB='P\x00\x00\x00', @ANYBLOB="00000000000000000000110000002800030014000200697064647030000000000000000000000800040000000000080001000000000014000100080009000000000008005f50e2470000"], 0x2}, 0x1}, 0x0) r0 = socket$nl_generic(0x10, 0x3, 0x10) sendmsg$nl_generic(r0, &(0x7f00003cefe4)={&(0x7f0000000300)={0x10, 0x36200}, 0xc, &(0x7f0000007ff0)={&(0x7f0000000180)={0xffce, 0x2e, 0x6fd, 0x0, 0x0, {0x2004}, [@nested={0xc, 0x0, [@typed={0x62, 0x9, @ipv4}]}]}, 0xffce}, 0x1, 0x0, 0x0, 0xb}, 0x0) 03:40:17 executing program 4: r0 = socket$nl_xfrm(0x10, 0x3, 0x6) sendmsg$nl_xfrm(r0, &(0x7f0000000400)={&(0x7f0000000040)={0x10}, 0xc, &(0x7f00000001c0)={&(0x7f0000000080)=@updpolicy={0xb8, 0x14, 0x407, 0x0, 0x0, {{@in=@loopback=0x7f000001, @in6=@ipv4={[], [0xff, 0xff], @dev={0xac, 0xf, 0x14}}, 0x0, 0x0, 0x0, 0x0, 0x2}}}, 0xb8}, 0x1}, 0x0) 03:40:17 executing program 6: perf_event_open(&(0x7f0000000180)={0x2, 0x70, 0x3e5}, 0x0, 0x0, 0xffffffffffffffff, 0x0) r0 = openat$sequencer2(0xffffffffffffff9c, &(0x7f0000000040)='/dev/sequencer2\x00', 0x200000, 0x0) r1 = openat(r0, &(0x7f0000000080)='./file0\x00', 0x40000, 0x20) ioctl$KVM_CREATE_IRQCHIP(r1, 0xae60) ioctl$KVM_CREATE_VM(r0, 0xae01, 0x0) pipe2$9p(&(0x7f0000000000)={0xffffffffffffffff, 0xffffffffffffffff}, 0x0) write$P9_RLERRORu(r3, &(0x7f0000000200)=ANY=[@ANYBLOB="08b7149a9dfbb982aa781cc242c6d078a90e5c7c2750f7846891405aa3b4badd98e1e59a2fb348047ba02239255086a43ed8319761624dd7fd00a93f5b989a42d2eb0d20308b284714f171a9b6ce108f640fcfec09cdfe37c0424d68196e92343f116d4c3c6dfea5af9aca71a29511d59bffe551f1da26e3da5f0962219cf8d9ce00fb41e61bd36e5f8a5666244bc8c1d8846505db3978240fe5e077d62330aa5cc284949e6c6b275f8923abb0a2654c087d03f8071d475bfd7003834d4bc0b75b20223596b223a3033ca884"], 0x9) mkdir(&(0x7f0000000440)='./file0\x00', 0x0) mount$9p_fd(0x0, &(0x7f00000005c0)='./file0\x00', &(0x7f0000000600)='9p\x00', 0x0, &(0x7f0000000640)={'trans=fd,', {'rfdno', 0x3d, r2}, 0x2c, {'wfdno', 0x3d, r3}, 0x2c, {[{@version_9p2000='version=9p2000', 0x2c}]}}) [ 1518.974537] BTRFS error (device loop2): open_ctree failed 03:40:17 executing program 5: r0 = syz_open_dev$sndseq(&(0x7f0000dcc000)='/dev/snd/seq\x00', 0x0, 0x0) read(r0, &(0x7f0000000280)=""/28, 0x58) ioctl$SNDRV_SEQ_IOCTL_CREATE_PORT(r0, 0xc0a85320, &(0x7f0000418f50)={{0x80}, "0a4ceaa05d9a00000000000000039b3fd4cec307e8ef3d13eb790ec9c65abaf90d229db692542e5b78f8b29e0a27800f0000000000000009fb42f376589701a4", 0xa9824f69d1376637, 0x10800a}) ioctl$SNDRV_SEQ_IOCTL_REMOVE_EVENTS(r0, 0x4040534e, &(0x7f000019ffe9)={0xc1}) ioctl$SNDRV_SEQ_IOCTL_SET_PORT_INFO(r0, 0x404c534a, &(0x7f0000000080)={{0x80}, 'port1\x00'}) ioctl$SNDRV_SEQ_IOCTL_SUBSCRIBE_PORT(r0, 0x40505330, &(0x7f0000000140)) openat$sequencer2(0xffffffffffffff9c, &(0x7f0000000040)='/dev/sequencer2\x00', 0x0, 0x0) 03:40:17 executing program 2: r0 = socket$inet6(0xa, 0x1000000000002, 0x0) ioctl(r0, 0x8912, &(0x7f0000000280)="025cc83d6d345f8f762070") syz_mount_image$btrfs(&(0x7f0000000080)='btrfs\x00', &(0x7f0000000100)='./file0\x00', 0x0, 0x1, &(0x7f0000000200)=[{&(0x7f0000000500)="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", 0x116, 0x10000}], 0x0, &(0x7f0000000240)) 03:40:17 executing program 0: 03:40:17 executing program 7: sendmsg$IPVS_CMD_FLUSH(0xffffffffffffffff, &(0x7f0000000340)={&(0x7f0000000100)={0x10}, 0xc, &(0x7f00000002c0)={&(0x7f00000001c0)=ANY=[@ANYBLOB='P\x00\x00\x00', @ANYBLOB="00000000000000000000110000002800030014000200697064647030000000000000000000000800040000000000080001000000000014000100080009000000000008005f50e2470000"], 0x2}, 0x1}, 0x0) r0 = socket$nl_generic(0x10, 0x3, 0x10) sendmsg$nl_generic(r0, &(0x7f00003cefe4)={&(0x7f0000000300)={0x10, 0x36200}, 0xc, &(0x7f0000007ff0)={&(0x7f0000000180)={0xffce, 0x2e, 0x6fd, 0x0, 0x0, {0x2004}, [@nested={0xc, 0x0, [@typed={0x62, 0x9, @ipv4}]}]}, 0xffce}, 0x1, 0x0, 0x0, 0x3}, 0x0) 03:40:17 executing program 1: r0 = socket$inet6(0xa, 0x1000000000002, 0x0) ioctl(r0, 0x8912, &(0x7f0000000280)="025cc83d6d345f8f762070") syz_mount_image$btrfs(&(0x7f0000000080)='btrfs\x00', &(0x7f0000000100)='./file0\x00', 0x0, 0x1, &(0x7f0000000200)=[{&(0x7f0000000500)="8da4363a00000000000020000000004d01000000000000000000000000000000ecf6f2a2299748aeb81e1b00920efd9a000001000000000001000000000000005f42485266535f4dd2f873574f257e0a01e2a6a02f5e071383fa5a669a53f2fe9eb4eb7918628af41b", 0x69, 0x10000}], 0x0, &(0x7f0000000240)) 03:40:17 executing program 4: r0 = socket$nl_xfrm(0x10, 0x3, 0x6) sendmsg$nl_xfrm(r0, &(0x7f0000000400)={&(0x7f0000000040)={0x10}, 0xc, &(0x7f00000001c0)={&(0x7f0000000080)=@updpolicy={0xb8, 0x14, 0x407, 0x0, 0x0, {{@in=@loopback=0x7f000001, @in6=@ipv4={[], [0xff, 0xff], @dev={0xac, 0x26, 0x14}}, 0x0, 0x0, 0x0, 0x0, 0x2}}}, 0xb8}, 0x1}, 0x0) 03:40:17 executing program 6: perf_event_open(&(0x7f0000000180)={0x2, 0x70, 0x3e5}, 0x0, 0x0, 0xffffffffffffffff, 0x0) ioctl$KVM_CREATE_VM(0xffffffffffffffff, 0xae01, 0x0) pipe2$9p(&(0x7f0000000000)={0xffffffffffffffff, 0xffffffffffffffff}, 0x0) write$P9_RLERRORu(r1, &(0x7f0000000080)=ANY=[@ANYBLOB="1400000007ffff0700"], 0x9) mkdir(&(0x7f0000000440)='./file0\x00', 0x0) mount$9p_fd(0x0, &(0x7f00000005c0)='./file0\x00', &(0x7f0000000600)='9p\x00', 0x0, &(0x7f0000000640)=ANY=[@ANYBLOB="747261030019bcb76ff5d1ac81c0cb", @ANYRESHEX=r0, @ANYBLOB=',wfdno=', @ANYRESHEX=r1, @ANYBLOB=',version=9p2000,\x00']) 03:40:17 executing program 3: r0 = socket$inet(0x2, 0x4000000000000001, 0x0) setsockopt$inet_tcp_TCP_CONGESTION(r0, 0x6, 0xd, &(0x7f0000000140)='nv\x00', 0x3) sendto$inet(r0, &(0x7f0000a88f88), 0xfffffffffffffe6e, 0x20000000, &(0x7f0000e68000)={0x2, 0x0, @local={0xac, 0x14, 0x14, 0xaa}, [0x0, 0x0, 0xff0f0000]}, 0x10) shutdown(r0, 0x0) 03:40:17 executing program 7: sendmsg$IPVS_CMD_FLUSH(0xffffffffffffffff, &(0x7f0000000340)={&(0x7f0000000100)={0x10}, 0xc, &(0x7f00000002c0)={&(0x7f00000001c0)=ANY=[@ANYBLOB='P\x00\x00\x00', @ANYBLOB="00000000000000000000110000002800030014000200697064647030000000000000000000000800040000000000080001000000000014000100080009000000000008005f50e2470000"], 0x2}, 0x1}, 0x0) r0 = socket$nl_generic(0x10, 0x3, 0x10) sendmsg$nl_generic(r0, &(0x7f00003cefe4)={&(0x7f0000000300)={0x10, 0x36200}, 0xc, &(0x7f0000007ff0)={&(0x7f0000000180)={0xffce, 0x2e, 0x6fd, 0x0, 0x0, {0x2004}, [@nested={0xc, 0x0, [@typed={0x62, 0x9, @ipv4}]}]}, 0xffce}, 0x1, 0x0, 0x0, 0xfffffffffffff000}, 0x0) 03:40:17 executing program 0: 03:40:17 executing program 4: r0 = socket$nl_xfrm(0x10, 0x3, 0x6) sendmsg$nl_xfrm(r0, &(0x7f0000000400)={&(0x7f0000000040)={0x10}, 0xc, &(0x7f00000001c0)={&(0x7f0000000080)=@updpolicy={0xb8, 0x14, 0x407, 0x0, 0x0, {{@in=@loopback=0x7f000001, @in6=@ipv4={[], [0xff, 0xff], @dev={0xac, 0x14, 0x26}}, 0x0, 0x0, 0x0, 0x0, 0x2}}}, 0xb8}, 0x1}, 0x0) [ 1519.844638] BTRFS error (device loop1): superblock checksum mismatch [ 1519.859548] 9pnet_virtio: no channels available for device (null) [ 1519.883248] BTRFS error (device loop1): open_ctree failed 03:40:18 executing program 0: 03:40:18 executing program 7: sendmsg$IPVS_CMD_FLUSH(0xffffffffffffffff, &(0x7f0000000340)={&(0x7f0000000100)={0x10}, 0xc, &(0x7f00000002c0)={&(0x7f00000001c0)=ANY=[@ANYBLOB='P\x00\x00\x00', @ANYBLOB="00000000000000000000110000002800030014000200697064647030000000000000000000000800040000000000080001000000000014000100080009000000000008005f50e2470000"], 0x2}, 0x1}, 0x0) r0 = socket$nl_generic(0x10, 0x3, 0x10) sendmsg$nl_generic(r0, &(0x7f00003cefe4)={&(0x7f0000000300)={0x10, 0x36200}, 0xc, &(0x7f0000007ff0)={&(0x7f0000000180)={0xffce, 0x2e, 0x6fd, 0x0, 0x0, {0x2004}, [@nested={0xc, 0x0, [@typed={0x62, 0x9, @ipv4}]}]}, 0xffce}, 0x1, 0x0, 0x0, 0x5416000000000000}, 0x0) 03:40:18 executing program 4: r0 = socket$nl_xfrm(0x10, 0x3, 0x6) sendmsg$nl_xfrm(r0, &(0x7f0000000400)={&(0x7f0000000040)={0x10}, 0xc, &(0x7f00000001c0)={&(0x7f0000000080)=@updpolicy={0xb8, 0x14, 0x407, 0x0, 0x0, {{@in=@loopback=0x7f000001, @in6=@ipv4={[], [0xff, 0xff], @dev={0xac, 0x14, 0xf}}, 0x0, 0x0, 0x0, 0x0, 0x2}}}, 0xb8}, 0x1}, 0x0) 03:40:18 executing program 1: r0 = socket$inet6(0xa, 0x1000000000002, 0x0) ioctl(r0, 0x8912, &(0x7f0000000280)="025cc83d6d345f8f762070") syz_mount_image$btrfs(&(0x7f0000000080)='btrfs\x00', &(0x7f0000000100)='./file0\x00', 0x0, 0x1, &(0x7f0000000200)=[{&(0x7f0000000500)="8da4363a00000000030000000000004d01000000000000000000000000000000ecf6f2a2299748aeb81e1b00920efd9a000001000000000001000000000000005f42485266535f4dd2f873574f257e0a01e2a6a02f5e071383fa5a669a53f2fe9eb4eb7918628af41b", 0x69, 0x10000}], 0x0, &(0x7f0000000240)) [ 1519.897859] BTRFS error (device loop1): superblock checksum mismatch [ 1519.906299] 9pnet_virtio: no channels available for device (null) [ 1519.920168] BTRFS error (device loop1): open_ctree failed 03:40:18 executing program 6: perf_event_open(&(0x7f0000000180)={0x2, 0x70, 0x3e5}, 0x0, 0x0, 0xffffffffffffffff, 0x0) ioctl$KVM_CREATE_VM(0xffffffffffffffff, 0xae01, 0x0) pipe2$9p(&(0x7f0000000000)={0xffffffffffffffff, 0xffffffffffffffff}, 0x0) write$P9_RLERRORu(r1, &(0x7f0000000080)=ANY=[@ANYBLOB="1400000007ffff0720"], 0x9) mkdir(&(0x7f0000000440)='./file0\x00', 0x0) mount$9p_fd(0x0, &(0x7f00000005c0)='./file0\x00', &(0x7f0000000600)='9p\x00', 0x0, &(0x7f0000000640)={'trans=fd,', {'rfdno', 0x3d, r0}, 0x2c, {'wfdno', 0x3d, r1}, 0x2c, {[{@version_9p2000='version=9p2000', 0x2c}]}}) [ 1519.965691] BTRFS error (device loop2): unsupported checksum algorithm 3786 [ 1519.972940] BTRFS error (device loop2): superblock checksum mismatch [ 1520.003399] BTRFS error (device loop2): open_ctree failed [ 1520.014303] BTRFS error (device loop2): unsupported checksum algorithm 3786 [ 1520.021480] BTRFS error (device loop2): superblock checksum mismatch [ 1520.038867] BTRFS error (device loop2): open_ctree failed 03:40:18 executing program 5: r0 = syz_open_dev$sndseq(&(0x7f0000dcc000)='/dev/snd/seq\x00', 0x0, 0x0) read(r0, &(0x7f0000000280)=""/28, 0x58) ioctl$SNDRV_SEQ_IOCTL_CREATE_PORT(r0, 0xc0a85320, &(0x7f0000418f50)={{0x80}, "0a4ceaa05d9a00000000000000039b3fd4cec307e8ef3d13eb790ec9c65abaf90d229db692542e5b78f8b29e0a27800f0000000000000009fb42f376589701a4", 0xa9824f69d1376637, 0x10800a}) ioctl$SNDRV_SEQ_IOCTL_REMOVE_EVENTS(r0, 0x4040534e, &(0x7f000019ffe9)={0xc1}) ioctl$SNDRV_SEQ_IOCTL_SET_PORT_INFO(r0, 0x4058534c, &(0x7f0000000080)={{0x80}, 'port1\x00'}) ioctl$SNDRV_SEQ_IOCTL_SUBSCRIBE_PORT(r0, 0x40505330, &(0x7f0000000140)) openat$sequencer2(0xffffffffffffff9c, &(0x7f0000000040)='/dev/sequencer2\x00', 0x0, 0x0) 03:40:18 executing program 0: 03:40:18 executing program 7: sendmsg$IPVS_CMD_FLUSH(0xffffffffffffffff, &(0x7f0000000340)={&(0x7f0000000100)={0x10}, 0xc, &(0x7f00000002c0)={&(0x7f00000001c0)=ANY=[@ANYBLOB='P\x00\x00\x00', @ANYBLOB="00000000000000000000110000002800030014000200697064647030000000000000000000000800040000000000080001000000000014000100080009000000000008005f50e2470000"], 0x2}, 0x1}, 0x0) r0 = socket$nl_generic(0x10, 0x3, 0x10) sendmsg$nl_generic(r0, &(0x7f00003cefe4)={&(0x7f0000000300)={0x10, 0x36200}, 0xc, &(0x7f0000007ff0)={&(0x7f0000000180)={0xffce, 0x2e, 0x6fd, 0x0, 0x0, {0x2004}, [@nested={0xc, 0x0, [@typed={0x62, 0x9, @ipv4}]}]}, 0xffce}, 0x1, 0x0, 0x0, 0x20000000}, 0x0) 03:40:18 executing program 4: r0 = socket$nl_xfrm(0x10, 0x3, 0x6) sendmsg$nl_xfrm(r0, &(0x7f0000000400)={&(0x7f0000000040)={0x10}, 0xc, &(0x7f00000001c0)={&(0x7f0000000080)=@updpolicy={0xb8, 0x14, 0x407, 0x0, 0x0, {{@in=@loopback=0x7f000001, @in6=@ipv4={[], [0xff, 0xff], @dev={0xac, 0x14, 0x14, 0x400300}}, 0x0, 0x0, 0x0, 0x0, 0x2}}}, 0xb8}, 0x1}, 0x0) 03:40:18 executing program 2: r0 = socket$inet6(0xa, 0x1000000000002, 0x0) ioctl(r0, 0x8912, &(0x7f0000000280)="025cc83d6d345f8f762070") syz_mount_image$btrfs(&(0x7f0000000080)='btrfs\x00', &(0x7f0000000100)='./file0\x00', 0x0, 0x1, &(0x7f0000000200)=[{&(0x7f0000000500)="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", 0x116, 0x10000}], 0x0, &(0x7f0000000240)) 03:40:18 executing program 6: r0 = syz_open_dev$sndpcmc(&(0x7f0000000040)='/dev/snd/pcmC#D#c\x00', 0x7ff, 0x402000) setsockopt$inet_sctp_SCTP_AUTOCLOSE(r0, 0x84, 0x4, &(0x7f0000006480)=0x1, 0xfffffffffffffcd2) r1 = perf_event_open(&(0x7f0000000180)={0x2, 0x70, 0x3e5}, 0x0, 0x0, 0xffffffffffffffff, 0x0) ioctl$TIOCGSID(r0, 0x5429, &(0x7f0000002a40)) getuid() getegid() getpgrp(0x0) stat(&(0x7f0000002a80)='./file0\x00', &(0x7f0000002ac0)) getgid() gettid() fstat(r1, &(0x7f0000002b40)) getgid() getsockopt$sock_cred(r0, 0x1, 0x11, &(0x7f0000002bc0), &(0x7f0000002c00)=0xc) r2 = epoll_create1(0x0) r3 = fcntl$dupfd(r2, 0x0, r2) r4 = epoll_create1(0x0) r5 = epoll_create1(0x0) epoll_ctl$EPOLL_CTL_ADD(r4, 0x1, r3, &(0x7f0000d36ff4)) epoll_ctl$EPOLL_CTL_ADD(r5, 0x1, r2, &(0x7f000001aff4)) epoll_ctl$EPOLL_CTL_ADD(r5, 0x1, r4, &(0x7f0000019000)) fstat(r1, &(0x7f0000002c40)) stat(&(0x7f0000002cc0)='./file0\x00', &(0x7f0000002d00)) fcntl$getownex(r1, 0x10, &(0x7f0000002d80)) getresuid(&(0x7f0000002dc0), &(0x7f0000002e00), &(0x7f0000002e40)) getgid() fcntl$getownex(r1, 0x10, &(0x7f0000002e80)) getuid() stat(&(0x7f0000000100)='./file0\x00', &(0x7f0000000080)) getpgrp(0xffffffffffffffff) fstat(r0, &(0x7f0000003240)) 03:40:18 executing program 1: r0 = socket$inet6(0xa, 0x1000000000002, 0x0) ioctl(r0, 0x8912, &(0x7f0000000280)="025cc83d6d345f8f762070") syz_mount_image$btrfs(&(0x7f0000000080)='btrfs\x00', &(0x7f0000000100)='./file0\x00', 0x0, 0x1, &(0x7f0000000200)=[{&(0x7f0000000500)="8da4363a00000000000000100000004d01000000000000000000000000000000ecf6f2a2299748aeb81e1b00920efd9a000001000000000001000000000000005f42485266535f4dd2f873574f257e0a01e2a6a02f5e071383fa5a669a53f2fe9eb4eb7918628af41b", 0x69, 0x10000}], 0x0, &(0x7f0000000240)) 03:40:18 executing program 3: r0 = socket$inet(0x2, 0x4000000000000001, 0x0) setsockopt$inet_tcp_TCP_CONGESTION(r0, 0x6, 0xd, &(0x7f0000000140)='nv\x00', 0x3) sendto$inet(r0, &(0x7f0000a88f88), 0xfffffffffffffe6e, 0x20000000, &(0x7f0000e68000)={0x2, 0x0, @local={0xac, 0x14, 0x14, 0xaa}, [0x0, 0x0, 0x2000000]}, 0x10) shutdown(r0, 0x0) 03:40:19 executing program 0: 03:40:19 executing program 7: sendmsg$IPVS_CMD_FLUSH(0xffffffffffffffff, &(0x7f0000000340)={&(0x7f0000000100)={0x10}, 0xc, &(0x7f00000002c0)={&(0x7f00000001c0)=ANY=[@ANYBLOB='P\x00\x00\x00', @ANYBLOB="00000000000000000000110000002800030014000200697064647030000000000000000000000800040000000000080001000000000014000100080009000000000008005f50e2470000"], 0x2}, 0x1}, 0x0) r0 = socket$nl_generic(0x10, 0x3, 0x10) sendmsg$nl_generic(r0, &(0x7f00003cefe4)={&(0x7f0000000300)={0x10, 0x36200}, 0xc, &(0x7f0000007ff0)={&(0x7f0000000180)={0xffce, 0x2e, 0x6fd, 0x0, 0x0, {0x2004}, [@nested={0xc, 0x0, [@typed={0x62, 0x9, @ipv4}]}]}, 0xffce}, 0x1, 0x0, 0x0, 0x5416}, 0x0) [ 1520.919523] BTRFS error (device loop1): superblock checksum mismatch [ 1520.936073] BTRFS error (device loop1): open_ctree failed 03:40:19 executing program 4: r0 = socket$nl_xfrm(0x10, 0x3, 0x6) sendmsg$nl_xfrm(r0, &(0x7f0000000400)={&(0x7f0000000040)={0x10}, 0xc, &(0x7f00000001c0)={&(0x7f0000000080)=@updpolicy={0xb8, 0x14, 0x407, 0x0, 0x0, {{@in=@loopback=0x7f000001, @in6=@ipv4={[], [0xff, 0xff], @dev={0xac, 0x14, 0x14, 0xffffff7f}}, 0x0, 0x0, 0x0, 0x0, 0x2}}}, 0xb8}, 0x1}, 0x0) 03:40:19 executing program 0: 03:40:19 executing program 6: r0 = perf_event_open(&(0x7f0000000180)={0x2, 0x70, 0x3e5}, 0x0, 0x0, 0xffffffffffffffff, 0x0) openat$cuse(0xffffffffffffff9c, &(0x7f0000000040)='/dev/cuse\x00', 0x202000, 0x0) r1 = dup2(r0, r0) ioctl$KVM_CREATE_VM(r1, 0xae01, 0x0) r2 = fcntl$getown(r0, 0x9) capget(&(0x7f00000000c0)={0x200f1526, r2}, &(0x7f0000000100)={0x0, 0x100, 0x7, 0x7fff, 0x100000000, 0x8}) pipe2$9p(&(0x7f0000000000)={0xffffffffffffffff, 0xffffffffffffffff}, 0x0) write$P9_RLERRORu(r4, &(0x7f0000000080)=ANY=[@ANYBLOB="1400000007ffff0700"], 0x9) mkdir(&(0x7f0000000440)='./file0\x00', 0x0) mount$9p_fd(0x0, &(0x7f00000005c0)='./file0\x00', &(0x7f0000000600)='9p\x00', 0x0, &(0x7f0000000640)={'trans=fd,', {'rfdno', 0x3d, r3}, 0x2c, {'wfdno', 0x3d, r4}, 0x2c, {[{@version_9p2000='version=9p2000', 0x2c}]}}) 03:40:19 executing program 1: r0 = socket$inet6(0xa, 0x1000000000002, 0x0) ioctl(r0, 0x8912, &(0x7f0000000280)="025cc83d6d345f8f762070") syz_mount_image$btrfs(&(0x7f0000000080)='btrfs\x00', &(0x7f0000000100)='./file0\x00', 0x0, 0x1, &(0x7f0000000200)=[{&(0x7f0000000500)="8da4363a00000000600000000000004d01000000000000000000000000000000ecf6f2a2299748aeb81e1b00920efd9a000001000000000001000000000000005f42485266535f4dd2f873574f257e0a01e2a6a02f5e071383fa5a669a53f2fe9eb4eb7918628af41b", 0x69, 0x10000}], 0x0, &(0x7f0000000240)) 03:40:19 executing program 7: sendmsg$IPVS_CMD_FLUSH(0xffffffffffffffff, &(0x7f0000000340)={&(0x7f0000000100)={0x10}, 0xc, &(0x7f00000002c0)={&(0x7f00000001c0)=ANY=[@ANYBLOB='P\x00\x00\x00', @ANYBLOB="00000000000000000000110000002800030014000200697064647030000000000000000000000800040000000000080001000000000014000100080009000000000008005f50e2470000"], 0x2}, 0x1}, 0x0) r0 = socket$nl_generic(0x10, 0x3, 0x10) sendmsg$nl_generic(r0, &(0x7f00003cefe4)={&(0x7f0000000300)={0x10, 0x36200}, 0xc, &(0x7f0000007ff0)={&(0x7f0000000180)={0xffce, 0x2e, 0x6fd, 0x0, 0x0, {0x2004}, [@nested={0xc, 0x0, [@typed={0x62, 0x9, @ipv4}]}]}, 0xffce}, 0x1, 0x0, 0x0, 0x4c}, 0x0) [ 1520.968484] BTRFS error (device loop1): superblock checksum mismatch [ 1520.996335] BTRFS error (device loop1): open_ctree failed 03:40:19 executing program 0: [ 1521.029879] 9pnet: p9_errstr2errno: server reported unknown error  [ 1521.043880] BTRFS error (device loop2): unsupported checksum algorithm 3786 [ 1521.051110] BTRFS error (device loop2): superblock checksum mismatch [ 1521.072090] BTRFS error (device loop2): open_ctree failed [ 1521.080034] BTRFS error (device loop2): unsupported checksum algorithm 3786 [ 1521.087237] BTRFS error (device loop2): superblock checksum mismatch [ 1521.100554] 9pnet: p9_errstr2errno: server reported unknown error  [ 1521.119392] BTRFS error (device loop2): open_ctree failed 03:40:20 executing program 5: r0 = syz_open_dev$sndseq(&(0x7f0000dcc000)='/dev/snd/seq\x00', 0x0, 0x0) read(r0, &(0x7f0000000280)=""/28, 0x58) ioctl$SNDRV_SEQ_IOCTL_CREATE_PORT(r0, 0xc0a85320, &(0x7f0000418f50)={{0x80}, "0a4ceaa05d9a00000000000000039b3fd4cec307e8ef3d13eb790ec9c65abaf90d229db692542e5b78f8b29e0a27800f0000000000000009fb42f376589701a4", 0xa9824f69d1376637, 0x10800a}) ioctl$SNDRV_SEQ_IOCTL_REMOVE_EVENTS(r0, 0x4040534e, &(0x7f000019ffe9)={0xc1}) ioctl$SNDRV_SEQ_IOCTL_SET_PORT_INFO(r0, 0xc0045878, &(0x7f0000000080)={{0x80}, 'port1\x00'}) ioctl$SNDRV_SEQ_IOCTL_SUBSCRIBE_PORT(r0, 0x40505330, &(0x7f0000000140)) openat$sequencer2(0xffffffffffffff9c, &(0x7f0000000040)='/dev/sequencer2\x00', 0x0, 0x0) 03:40:20 executing program 4: r0 = socket$nl_xfrm(0x10, 0x3, 0x6) sendmsg$nl_xfrm(r0, &(0x7f0000000400)={&(0x7f0000000040)={0x10}, 0xc, &(0x7f00000001c0)={&(0x7f0000000080)=@updpolicy={0xb8, 0x14, 0x407, 0x0, 0x0, {{@in=@loopback=0x7f000001, @in6=@ipv4={[], [0xff, 0xff], @dev={0xac, 0x14, 0x14, 0x1000000}}, 0x0, 0x0, 0x0, 0x0, 0x2}}}, 0xb8}, 0x1}, 0x0) 03:40:20 executing program 7: sendmsg$IPVS_CMD_FLUSH(0xffffffffffffffff, &(0x7f0000000340)={&(0x7f0000000100)={0x10}, 0xc, &(0x7f00000002c0)={&(0x7f00000001c0)=ANY=[@ANYBLOB='P\x00\x00\x00', @ANYBLOB="00000000000000000000110000002800030014000200697064647030000000000000000000000800040000000000080001000000000014000100080009000000000008005f50e2470000"], 0x2}, 0x1}, 0x0) r0 = socket$nl_generic(0x10, 0x3, 0x10) sendmsg$nl_generic(r0, &(0x7f00003cefe4)={&(0x7f0000000300)={0x10, 0x36200}, 0xc, &(0x7f0000007ff0)={&(0x7f0000000180)={0xffce, 0x2e, 0x6fd, 0x0, 0x0, {0x2004}, [@nested={0xc, 0x0, [@typed={0x62, 0x9, @ipv4}]}]}, 0xffce}, 0x1, 0x0, 0x0, 0x74}, 0x0) 03:40:20 executing program 0: 03:40:20 executing program 2: r0 = socket$inet6(0xa, 0x1000000000002, 0x0) ioctl(r0, 0x8912, &(0x7f0000000280)="025cc83d6d345f8f762070") syz_mount_image$btrfs(&(0x7f0000000080)='btrfs\x00', &(0x7f0000000100)='./file0\x00', 0x0, 0x1, &(0x7f0000000200)=[{&(0x7f0000000500)="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", 0x116, 0x10000}], 0x0, &(0x7f0000000240)) 03:40:20 executing program 6: ioctl$KVM_CREATE_VM(0xffffffffffffffff, 0xae01, 0x0) pipe2$9p(&(0x7f0000000000)={0xffffffffffffffff, 0xffffffffffffffff}, 0x0) r2 = fcntl$dupfd(r1, 0x0, 0xffffffffffffffff) ioctl$sock_inet_SIOCSIFDSTADDR(r2, 0x8918, &(0x7f0000000200)={'bond_slave_1\x00', {0x2, 0x4e20, @broadcast=0xffffffff}}) write$P9_RLERRORu(r1, &(0x7f0000000100)=ANY=[@ANYBLOB="1400000007ffff0700a134c717816a596dd6a712be8be1b64a288995f6adb516bd0000000000000003c3dea982bacbf7f8cc16cd68547a10bdf50712f33bad9fececaf96e740cb1c38b9fad2cbd8845f3835f645eead98d99983e4dccfb6aa894429806be89303b35341d41934e20567e4"], 0x9) r3 = openat$zero(0xffffffffffffff9c, &(0x7f0000000040)='/dev/zero\x00', 0x400000, 0x0) getsockopt$inet6_dccp_int(r3, 0x21, 0x15, &(0x7f0000000080), &(0x7f00000000c0)=0x4) mkdir(&(0x7f0000000440)='./file0\x00', 0x0) mount$9p_fd(0x0, &(0x7f00000005c0)='./file0\x00', &(0x7f0000000600)='9p\x00', 0x0, &(0x7f0000000640)={'trans=fd,', {'rfdno', 0x3d, r0}, 0x2c, {'wfdno', 0x3d, r1}, 0x2c, {[{@version_9p2000='version=9p2000', 0x2c}]}}) 03:40:20 executing program 1: r0 = socket$inet6(0xa, 0x1000000000002, 0x0) ioctl(r0, 0x8912, &(0x7f0000000280)="025cc83d6d345f8f762070") syz_mount_image$btrfs(&(0x7f0000000080)='btrfs\x00', &(0x7f0000000100)='./file0\x00', 0x0, 0x1, &(0x7f0000000200)=[{&(0x7f0000000500)="8da4363a00000000b40000000000004d01000000000000000000000000000000ecf6f2a2299748aeb81e1b00920efd9a000001000000000001000000000000005f42485266535f4dd2f873574f257e0a01e2a6a02f5e071383fa5a669a53f2fe9eb4eb7918628af41b", 0x69, 0x10000}], 0x0, &(0x7f0000000240)) 03:40:20 executing program 3: r0 = socket$inet(0x2, 0x4000000000000001, 0x0) setsockopt$inet_tcp_TCP_CONGESTION(r0, 0x6, 0xd, &(0x7f0000000140)='nv\x00', 0x3) sendto$inet(r0, &(0x7f0000a88f88), 0xfffffffffffffe6e, 0x20000000, &(0x7f0000e68000)={0x2, 0x0, @local={0xac, 0x14, 0x14, 0xaa}, [0x0, 0x0, 0x5]}, 0x10) shutdown(r0, 0x0) 03:40:20 executing program 4: r0 = socket$nl_xfrm(0x10, 0x3, 0x6) sendmsg$nl_xfrm(r0, &(0x7f0000000400)={&(0x7f0000000040)={0x10}, 0xc, &(0x7f00000001c0)={&(0x7f0000000080)=@updpolicy={0xb8, 0x14, 0x407, 0x0, 0x0, {{@in=@loopback=0x7f000001, @in6=@ipv4={[], [0xff, 0xff], @dev={0xac, 0x14, 0x14, 0x37230000}}, 0x0, 0x0, 0x0, 0x0, 0x2}}}, 0xb8}, 0x1}, 0x0) 03:40:20 executing program 7: sendmsg$IPVS_CMD_FLUSH(0xffffffffffffffff, &(0x7f0000000340)={&(0x7f0000000100)={0x10}, 0xc, &(0x7f00000002c0)={&(0x7f00000001c0)=ANY=[@ANYBLOB='P\x00\x00\x00', @ANYBLOB="00000000000000000000110000002800030014000200697064647030000000000000000000000800040000000000080001000000000014000100080009000000000008005f50e2470000"], 0x2}, 0x1}, 0x0) r0 = socket$nl_generic(0x10, 0x3, 0x10) sendmsg$nl_generic(r0, &(0x7f00003cefe4)={&(0x7f0000000300)={0x10, 0x36200}, 0xc, &(0x7f0000007ff0)={&(0x7f0000000180)={0xffce, 0x2e, 0x6fd, 0x0, 0x0, {0x2004}, [@nested={0xc, 0x0, [@typed={0x62, 0x9, @ipv4}]}]}, 0xffce}, 0x1, 0x0, 0x0, 0x7a00000000000000}, 0x0) 03:40:20 executing program 0: [ 1521.992061] 9pnet: p9_errstr2errno: server reported unknown error  [ 1522.006844] BTRFS error (device loop2): unsupported checksum algorithm 3786 [ 1522.014036] BTRFS error (device loop2): superblock checksum mismatch [ 1522.029015] 9pnet: p9_errstr2errno: server reported unknown error  03:40:20 executing program 4: r0 = socket$nl_xfrm(0x10, 0x3, 0x6) sendmsg$nl_xfrm(r0, &(0x7f0000000400)={&(0x7f0000000040)={0x10}, 0xc, &(0x7f00000001c0)={&(0x7f0000000080)=@updpolicy={0xb8, 0x14, 0x407, 0x0, 0x0, {{@in=@loopback=0x7f000001, @in6=@ipv4={[], [0xff, 0xff], @dev={0xac, 0x14, 0x14, 0xf00}}, 0x0, 0x0, 0x0, 0x0, 0x2}}}, 0xb8}, 0x1}, 0x0) 03:40:20 executing program 7: sendmsg$IPVS_CMD_FLUSH(0xffffffffffffffff, &(0x7f0000000340)={&(0x7f0000000100)={0x10}, 0xc, &(0x7f00000002c0)={&(0x7f00000001c0)=ANY=[@ANYBLOB='P\x00\x00\x00', @ANYBLOB="00000000000000000000110000002800030014000200697064647030000000000000000000000800040000000000080001000000000014000100080009000000000008005f50e2470000"], 0x2}, 0x1}, 0x0) r0 = socket$nl_generic(0x10, 0x3, 0x10) sendmsg$nl_generic(r0, &(0x7f00003cefe4)={&(0x7f0000000300)={0x10, 0x36200}, 0xc, &(0x7f0000007ff0)={&(0x7f0000000180)={0xffce, 0x2e, 0x6fd, 0x0, 0x0, {0x2004}, [@nested={0xc, 0x0, [@typed={0x62, 0x9, @ipv4}]}]}, 0xffce}, 0x1, 0x0, 0x0, 0x7a000000}, 0x0) 03:40:20 executing program 0: 03:40:20 executing program 6: perf_event_open(&(0x7f0000000180)={0x2, 0x70, 0x3e5}, 0x0, 0x0, 0xffffffffffffffff, 0x0) ioctl$KVM_CREATE_VM(0xffffffffffffffff, 0xae01, 0x0) pipe2$9p(&(0x7f0000000000)={0xffffffffffffffff, 0xffffffffffffffff}, 0x0) write$P9_RLERRORu(r1, &(0x7f0000000080)=ANY=[@ANYBLOB="1400000007ffff0700"], 0x9) mkdir(&(0x7f0000000440)='./file0\x00', 0x0) mount$9p_fd(0x0, &(0x7f00000005c0)='./file0\x00', &(0x7f0000000600)='9p\x00', 0x0, &(0x7f0000000640)=ANY=[@ANYBLOB="8972616e733d66642c7266646e6f3d", @ANYRESHEX=r0, @ANYBLOB=',wfdno=', @ANYRESHEX=r1, @ANYBLOB=',version=9p2000,\x00']) [ 1522.048485] BTRFS error (device loop2): open_ctree failed [ 1522.066335] BTRFS error (device loop2): unsupported checksum algorithm 3786 [ 1522.073542] BTRFS error (device loop2): superblock checksum mismatch [ 1522.091084] BTRFS error (device loop2): open_ctree failed 03:40:20 executing program 0: [ 1522.116687] BTRFS error (device loop2): unsupported checksum algorithm 3786 [ 1522.123869] BTRFS error (device loop2): superblock checksum mismatch [ 1522.132411] 9pnet_virtio: no channels available for device (null) [ 1522.152596] BTRFS error (device loop2): open_ctree failed [ 1522.160933] BTRFS error (device loop2): unsupported checksum algorithm 3786 [ 1522.168099] BTRFS error (device loop2): superblock checksum mismatch [ 1522.175155] 9pnet_virtio: no channels available for device (null) [ 1522.190486] BTRFS error (device loop2): open_ctree failed 03:40:21 executing program 5: r0 = syz_open_dev$sndseq(&(0x7f0000dcc000)='/dev/snd/seq\x00', 0x0, 0x0) read(r0, &(0x7f0000000280)=""/28, 0x58) ioctl$SNDRV_SEQ_IOCTL_CREATE_PORT(r0, 0xc0a85320, &(0x7f0000418f50)={{0x80}, "0a4ceaa05d9a00000000000000039b3fd4cec307e8ef3d13eb790ec9c65abaf90d229db692542e5b78f8b29e0a27800f0000000000000009fb42f376589701a4", 0xa9824f69d1376637, 0x10800a}) ioctl$SNDRV_SEQ_IOCTL_REMOVE_EVENTS(r0, 0x4040534e, &(0x7f000019ffe9)={0xc1}) ioctl$SNDRV_SEQ_IOCTL_SET_PORT_INFO(r0, 0x40bc5311, &(0x7f0000000080)={{0x80}, 'port1\x00'}) ioctl$SNDRV_SEQ_IOCTL_SUBSCRIBE_PORT(r0, 0x40505330, &(0x7f0000000140)) openat$sequencer2(0xffffffffffffff9c, &(0x7f0000000040)='/dev/sequencer2\x00', 0x0, 0x0) 03:40:21 executing program 0: 03:40:21 executing program 7: sendmsg$IPVS_CMD_FLUSH(0xffffffffffffffff, &(0x7f0000000340)={&(0x7f0000000100)={0x10}, 0xc, &(0x7f00000002c0)={&(0x7f00000001c0)=ANY=[@ANYBLOB='P\x00\x00\x00', @ANYBLOB="00000000000000000000110000002800030014000200697064647030000000000000000000000800040000000000080001000000000014000100080009000000000008005f50e2470000"], 0x2}, 0x1}, 0x0) r0 = socket$nl_generic(0x10, 0x3, 0x10) sendmsg$nl_generic(r0, &(0x7f00003cefe4)={&(0x7f0000000300)={0x10, 0x36200}, 0xc, &(0x7f0000007ff0)={&(0x7f0000000180)={0xffce, 0x2e, 0x6fd, 0x0, 0x0, {0x2004}, [@nested={0xc, 0x0, [@typed={0x62, 0x9, @ipv4}]}]}, 0xffce}, 0x1, 0x0, 0x0, 0x4800}, 0x0) 03:40:21 executing program 4: r0 = socket$nl_xfrm(0x10, 0x3, 0x6) sendmsg$nl_xfrm(r0, &(0x7f0000000400)={&(0x7f0000000040)={0x10}, 0xc, &(0x7f00000001c0)={&(0x7f0000000080)=@updpolicy={0xb8, 0x14, 0x407, 0x0, 0x0, {{@in=@loopback=0x7f000001, @in6=@ipv4={[], [0xff, 0xff], @dev={0xac, 0x14, 0x14, 0xf0}}, 0x0, 0x0, 0x0, 0x0, 0x2}}}, 0xb8}, 0x1}, 0x0) 03:40:21 executing program 6: perf_event_open(&(0x7f0000000180)={0x2, 0x70, 0x3e5}, 0x0, 0x0, 0xffffffffffffffff, 0x0) ioctl$KVM_CREATE_VM(0xffffffffffffffff, 0xae01, 0x0) pipe2$9p(&(0x7f0000000000)={0xffffffffffffffff, 0xffffffffffffffff}, 0x0) write$P9_RLERRORu(r1, &(0x7f0000000080)=ANY=[@ANYBLOB="1400931a7304b6074f"], 0x9) mkdir(&(0x7f0000000440)='./file0\x00', 0x0) mount$9p_fd(0x0, &(0x7f00000005c0)='./file0\x00', &(0x7f0000000600)='9p\x00', 0x0, &(0x7f0000000640)={'trans=fd,', {'rfdno', 0x3d, r0}, 0x2c, {'wfdno', 0x3d, r1}, 0x2c, {[{@version_9p2000='version=9p2000', 0x2c}]}}) 03:40:21 executing program 2: r0 = socket$inet6(0xa, 0x1000000000002, 0x0) ioctl(r0, 0x8912, &(0x7f0000000280)="025cc83d6d345f8f762070") syz_mount_image$btrfs(&(0x7f0000000080)='btrfs\x00', &(0x7f0000000100)='./file0\x00', 0x0, 0x1, &(0x7f0000000200)=[{&(0x7f0000000500)="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", 0x116, 0x10000}], 0x0, &(0x7f0000000240)) 03:40:21 executing program 1: r0 = socket$inet6(0xa, 0x1000000000002, 0x0) ioctl(r0, 0x8912, &(0x7f0000000280)="025cc83d6d345f8f762070") syz_mount_image$btrfs(&(0x7f0000000080)='btrfs\x00', &(0x7f0000000100)='./file0\x00', 0x0, 0x1, &(0x7f0000000200)=[{&(0x7f0000000500)="8da4363a000000000000e0870000004d01000000000000000000000000000000ecf6f2a2299748aeb81e1b00920efd9a000001000000000001000000000000005f42485266535f4dd2f873574f257e0a01e2a6a02f5e071383fa5a669a53f2fe9eb4eb7918628af41b", 0x69, 0x10000}], 0x0, &(0x7f0000000240)) 03:40:21 executing program 3: r0 = socket$inet(0x2, 0x4000000000000001, 0x0) setsockopt$inet_tcp_TCP_CONGESTION(r0, 0x6, 0xd, &(0x7f0000000140)='nv\x00', 0x3) sendto$inet(r0, &(0x7f0000a88f88), 0xfffffffffffffe6e, 0x20000000, &(0x7f0000e68000)={0x2, 0x0, @local={0xac, 0x14, 0x14, 0xaa}, [0x0, 0x0, 0x7]}, 0x10) shutdown(r0, 0x0) [ 1523.046641] nla_parse: 33 callbacks suppressed [ 1523.046650] netlink: 65362 bytes leftover after parsing attributes in process `syz-executor7'. [ 1523.059621] netlink: 104 bytes leftover after parsing attributes in process `syz-executor4'. [ 1523.060075] net_ratelimit: 42 callbacks suppressed [ 1523.060084] openvswitch: netlink: ufid size 94 bytes exceeds the range (1, 16) [ 1523.060091] openvswitch: netlink: Flow set message rejected, Key attribute missing. [ 1523.079375] BTRFS error (device loop2): unsupported checksum algorithm 3786 03:40:21 executing program 0: [ 1523.095973] BTRFS error (device loop2): superblock checksum mismatch [ 1523.105095] netlink: 65362 bytes leftover after parsing attributes in process `syz-executor7'. [ 1523.113936] openvswitch: netlink: ufid size 94 bytes exceeds the range (1, 16) [ 1523.121359] openvswitch: netlink: Flow set message rejected, Key attribute missing. [ 1523.129547] BTRFS error (device loop2): open_ctree failed [ 1523.137347] BTRFS error (device loop1): superblock checksum mismatch 03:40:21 executing program 0: 03:40:21 executing program 4: r0 = socket$nl_xfrm(0x10, 0x3, 0x6) sendmsg$nl_xfrm(r0, &(0x7f0000000400)={&(0x7f0000000040)={0x10}, 0xc, &(0x7f00000001c0)={&(0x7f0000000080)=@updpolicy={0xb8, 0x14, 0x407, 0x0, 0x0, {{@in=@loopback=0x7f000001, @in6=@ipv4={[], [0xff, 0xff], @dev={0xac, 0x14, 0x14, 0x2000000000000000}}, 0x0, 0x0, 0x0, 0x0, 0x2}}}, 0xb8}, 0x1}, 0x0) 03:40:21 executing program 6: perf_event_open(&(0x7f0000000180)={0x2, 0x70, 0x3e5}, 0x0, 0x0, 0xffffffffffffffff, 0x0) openat$qat_adf_ctl(0xffffffffffffff9c, &(0x7f0000000040)='/dev/qat_adf_ctl\x00', 0x2, 0x0) ioctl$KVM_CREATE_VM(0xffffffffffffffff, 0xae01, 0x0) pipe2$9p(&(0x7f0000000000)={0xffffffffffffffff, 0xffffffffffffffff}, 0x0) write$P9_RLERRORu(r1, &(0x7f0000000080)=ANY=[@ANYBLOB="80000000000000"], 0x9) mkdir(&(0x7f0000000440)='./file0\x00', 0x0) mount$9p_fd(0x0, &(0x7f00000005c0)='./file0\x00', &(0x7f0000000600)='9p\x00', 0x0, &(0x7f0000000640)=ANY=[@ANYBLOB='trans=fd,rfdno=', @ANYRESHEX=r0, @ANYBLOB=',wfdno=', @ANYRESHEX=r1, @ANYBLOB="2c7665727369629f4b0e666f6e2d397032"]) 03:40:21 executing program 7: sendmsg$IPVS_CMD_FLUSH(0xffffffffffffffff, &(0x7f0000000340)={&(0x7f0000000100)={0x10}, 0xc, &(0x7f00000002c0)={&(0x7f00000001c0)=ANY=[@ANYBLOB='P\x00\x00\x00', @ANYBLOB="00000000000000000000110000002800030014000200697064647030000000000000000000000800040000000000080001000000000014000100080009000000000008005f50e2470000"], 0x2}, 0x1}, 0x0) r0 = socket$nl_generic(0x10, 0x3, 0x10) sendmsg$nl_generic(r0, &(0x7f00003cefe4)={&(0x7f0000000300)={0x10, 0x36200}, 0xc, &(0x7f0000007ff0)={&(0x7f0000000180)={0xffce, 0x2e, 0x6fd, 0x0, 0x0, {0x2004}, [@nested={0xc, 0x0, [@typed={0x62, 0x9, @ipv4}]}]}, 0xffce}, 0x1, 0x0, 0x0, 0x500}, 0x0) [ 1523.147249] BTRFS error (device loop1): open_ctree failed [ 1523.182225] netlink: 104 bytes leftover after parsing attributes in process `syz-executor4'. 03:40:21 executing program 0: r0 = syz_open_dev$mice(&(0x7f0000000000)='/dev/input/mice\x00', 0x0, 0x2) read(r0, &(0x7f0000000300)=""/184, 0xb8) mmap(&(0x7f000008f000/0x1000)=nil, 0x1000, 0x0, 0x10, 0xffffffffffffffff, 0x0) write(r0, &(0x7f00000000c0), 0x0) 03:40:21 executing program 1: r0 = socket$inet6(0xa, 0x1000000000002, 0x0) ioctl(r0, 0x8912, &(0x7f0000000280)="025cc83d6d345f8f762070") syz_mount_image$btrfs(&(0x7f0000000080)='btrfs\x00', &(0x7f0000000100)='./file0\x00', 0x0, 0x1, &(0x7f0000000200)=[{&(0x7f0000000500)="8da4363a00000000000001240000004d01000000000000000000000000000000ecf6f2a2299748aeb81e1b00920efd9a000001000000000001000000000000005f42485266535f4dd2f873574f257e0a01e2a6a02f5e071383fa5a669a53f2fe9eb4eb7918628af41b", 0x69, 0x10000}], 0x0, &(0x7f0000000240)) 03:40:21 executing program 2: r0 = socket$inet6(0xa, 0x1000000000002, 0x0) ioctl(r0, 0x8912, &(0x7f0000000280)="025cc83d6d345f8f762070") syz_mount_image$btrfs(&(0x7f0000000080)='btrfs\x00', &(0x7f0000000100)='./file0\x00', 0x0, 0x1, &(0x7f0000000200)=[{&(0x7f0000000500)="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", 0x116, 0x10000}], 0x0, &(0x7f0000000240)) [ 1523.200822] netlink: 65362 bytes leftover after parsing attributes in process `syz-executor7'. [ 1523.209775] openvswitch: netlink: ufid size 94 bytes exceeds the range (1, 16) [ 1523.217171] openvswitch: netlink: Flow set message rejected, Key attribute missing. [ 1523.231249] netlink: 65362 bytes leftover after parsing attributes in process `syz-executor7'. [ 1523.240084] openvswitch: netlink: ufid size 94 bytes exceeds the range (1, 16) [ 1523.247483] openvswitch: netlink: Flow set message rejected, Key attribute missing. [ 1523.269722] BTRFS error (device loop2): unsupported checksum algorithm 3786 [ 1523.276945] BTRFS error (device loop2): superblock checksum mismatch [ 1523.285298] BTRFS error (device loop2): open_ctree failed [ 1523.294308] BTRFS error (device loop1): superblock checksum mismatch [ 1523.303191] BTRFS error (device loop1): open_ctree failed 03:40:22 executing program 5: r0 = syz_open_dev$sndseq(&(0x7f0000dcc000)='/dev/snd/seq\x00', 0x0, 0x0) read(r0, &(0x7f0000000280)=""/28, 0x58) ioctl$SNDRV_SEQ_IOCTL_CREATE_PORT(r0, 0xc0a85320, &(0x7f0000418f50)={{0x80}, "0a4ceaa05d9a00000000000000039b3fd4cec307e8ef3d13eb790ec9c65abaf90d229db692542e5b78f8b29e0a27800f0000000000000009fb42f376589701a4", 0xa9824f69d1376637, 0x10800a}) ioctl$SNDRV_SEQ_IOCTL_REMOVE_EVENTS(r0, 0x4040534e, &(0x7f000019ffe9)={0xc1}) ioctl$SNDRV_SEQ_IOCTL_SET_PORT_INFO(r0, 0x40a85323, &(0x7f0000000080)={{0x80, 0xffffffff00000000}, 'port1\x00'}) ioctl$SNDRV_SEQ_IOCTL_SUBSCRIBE_PORT(r0, 0x40505330, &(0x7f0000000140)) openat$sequencer2(0xffffffffffffff9c, &(0x7f0000000040)='/dev/sequencer2\x00', 0x0, 0x0) 03:40:22 executing program 4: r0 = socket$nl_xfrm(0x10, 0x3, 0x6) sendmsg$nl_xfrm(r0, &(0x7f0000000400)={&(0x7f0000000040)={0x10}, 0xc, &(0x7f00000001c0)={&(0x7f0000000080)=@updpolicy={0xb8, 0x14, 0x407, 0x0, 0x0, {{@in=@loopback=0x7f000001, @in6=@ipv4={[], [0xff, 0xff], @dev={0xac, 0x14, 0x14, 0x300000000000000}}, 0x0, 0x0, 0x0, 0x0, 0x2}}}, 0xb8}, 0x1}, 0x0) 03:40:22 executing program 6: mkdir(&(0x7f0000000040)="e91f7189591e9233614b00", 0x0) openat(0xffffffffffffff9c, &(0x7f0000000000)="e91f7189591e9233614b00", 0x0, 0x10) 03:40:22 executing program 7: sendmsg$IPVS_CMD_FLUSH(0xffffffffffffffff, &(0x7f0000000340)={&(0x7f0000000100)={0x10}, 0xc, &(0x7f00000002c0)={&(0x7f00000001c0)=ANY=[@ANYBLOB='P\x00\x00\x00', @ANYBLOB="00000000000000000000110000002800030014000200697064647030000000000000000000000800040000000000080001000000000014000100080009000000000008005f50e2470000"], 0x2}, 0x1}, 0x0) r0 = socket$nl_generic(0x10, 0x3, 0x10) sendmsg$nl_generic(r0, &(0x7f00003cefe4)={&(0x7f0000000300)={0x10, 0x36200}, 0xc, &(0x7f0000007ff0)={&(0x7f0000000180)={0xffce, 0x2e, 0x6fd, 0x0, 0x0, {0x2004}, [@nested={0xc, 0x0, [@typed={0x62, 0x9, @ipv4}]}]}, 0xffce}, 0x1, 0x0, 0x0, 0x6}, 0x0) 03:40:22 executing program 2: r0 = socket$inet6(0xa, 0x1000000000002, 0x0) ioctl(r0, 0x8912, &(0x7f0000000280)="025cc83d6d345f8f762070") syz_mount_image$btrfs(&(0x7f0000000080)='btrfs\x00', &(0x7f0000000100)='./file0\x00', 0x0, 0x1, &(0x7f0000000200)=[{&(0x7f0000000500)="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", 0x116, 0x10000}], 0x0, &(0x7f0000000240)) 03:40:22 executing program 1: r0 = socket$inet6(0xa, 0x1000000000002, 0x0) ioctl(r0, 0x8912, &(0x7f0000000280)="025cc83d6d345f8f762070") syz_mount_image$btrfs(&(0x7f0000000080)='btrfs\x00', &(0x7f0000000100)='./file0\x00', 0x0, 0x1, &(0x7f0000000200)=[{&(0x7f0000000500)="8da4363a00000000000003d80000004d01000000000000000000000000000000ecf6f2a2299748aeb81e1b00920efd9a000001000000000001000000000000005f42485266535f4dd2f873574f257e0a01e2a6a02f5e071383fa5a669a53f2fe9eb4eb7918628af41b", 0x69, 0x10000}], 0x0, &(0x7f0000000240)) 03:40:22 executing program 3: r0 = socket$inet(0x2, 0x4000000000000001, 0x0) setsockopt$inet_tcp_TCP_CONGESTION(r0, 0x6, 0xd, &(0x7f0000000140)='nv\x00', 0x3) sendto$inet(r0, &(0x7f0000a88f88), 0xfffffffffffffe6e, 0x20000000, &(0x7f0000e68000)={0x2, 0x0, @local={0xac, 0x14, 0x14, 0xaa}, [0x0, 0x0, 0x600000000000000]}, 0x10) shutdown(r0, 0x0) 03:40:22 executing program 6: perf_event_open(&(0x7f0000000180)={0x0, 0x70, 0x3e5, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x6, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext={0x80000001}}, 0x0, 0x0, 0xffffffffffffffff, 0x0) r0 = syz_open_dev$loop(&(0x7f0000000200)='/dev/loop#\x00', 0x0, 0x82) r1 = memfd_create(&(0x7f0000000140)="000000000000000000000000000000768e05f7c155ad7dc6947c573e5a69244e76382c0aa63d575ea3597f8b1728277ef76b30544d7ba92dcf978f1f81dc1b7f8f7b3451dada02ecb4f1ddcc8b5241da8945666e0073c25a6287c64dbea37a", 0x0) pwritev(r1, &(0x7f0000000340)=[{&(0x7f0000000080)='\x00', 0x1}], 0x1, 0x81806) ioctl$KVM_IRQ_LINE(r1, 0x4008ae61, &(0x7f00000000c0)={0x20, 0x7}) r2 = openat$cgroup_root(0xffffffffffffff9c, &(0x7f0000000040)='./cgroup\x00', 0x200002, 0x0) r3 = openat$cgroup_int(r2, &(0x7f0000000180)='memory.high\x00', 0x2, 0x0) write$cgroup_int(r3, &(0x7f0000000000), 0x1) sendfile(r0, r0, &(0x7f0000000240), 0x20000102000007) 03:40:22 executing program 4: r0 = socket$nl_xfrm(0x10, 0x3, 0x6) sendmsg$nl_xfrm(r0, &(0x7f0000000400)={&(0x7f0000000040)={0x10}, 0xc, &(0x7f00000001c0)={&(0x7f0000000080)=@updpolicy={0xb8, 0x14, 0x407, 0x0, 0x0, {{@in=@loopback=0x7f000001, @in6=@ipv4={[], [0xff, 0xff], @dev={0xac, 0x14, 0x14, 0xf0ffff}}, 0x0, 0x0, 0x0, 0x0, 0x2}}}, 0xb8}, 0x1}, 0x0) [ 1524.155772] netlink: 104 bytes leftover after parsing attributes in process `syz-executor4'. [ 1524.165276] netlink: 65362 bytes leftover after parsing attributes in process `syz-executor7'. [ 1524.174093] openvswitch: netlink: ufid size 94 bytes exceeds the range (1, 16) [ 1524.181636] openvswitch: netlink: Flow set message rejected, Key attribute missing. [ 1524.195656] netlink: 65362 bytes leftover after parsing attributes in process `syz-executor7'. 03:40:22 executing program 0: r0 = add_key(&(0x7f0000000000)='user\x00', &(0x7f0000000040)={0x73, 0x79, 0x7a}, &(0x7f0000000080)="83", 0x1, 0xffffffffffffffff) request_key(&(0x7f0000000380)='pkcs7_test\x00', &(0x7f00000003c0)={0x73, 0x79, 0x7a}, &(0x7f0000000400)='user\x00', r0) [ 1524.220703] BTRFS error (device loop2): unsupported checksum algorithm 3786 [ 1524.227913] BTRFS error (device loop2): superblock checksum mismatch [ 1524.246935] netlink: 104 bytes leftover after parsing attributes in process `syz-executor4'. [ 1524.249296] BTRFS error (device loop2): open_ctree failed [ 1524.259055] ================================================================== [ 1524.268542] BUG: KASAN: slab-out-of-bounds in find_first_bit+0xf7/0x100 [ 1524.275293] Read of size 8 at addr ffff8801d70b5550 by task syz-executor6/27730 [ 1524.282724] [ 1524.284353] CPU: 0 PID: 27730 Comm: syz-executor6 Not tainted 4.18.0-rc3-next-20180709+ #2 [ 1524.292743] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 1524.302086] Call Trace: [ 1524.304673] dump_stack+0x1c9/0x2b4 [ 1524.308302] ? dump_stack_print_info.cold.2+0x52/0x52 [ 1524.313487] ? printk+0xa7/0xcf [ 1524.316761] ? kmsg_dump_rewind_nolock+0xe4/0xe4 [ 1524.321517] ? find_first_bit+0xf7/0x100 [ 1524.325579] print_address_description+0x6c/0x20b [ 1524.330418] ? find_first_bit+0xf7/0x100 [ 1524.335008] kasan_report.cold.7+0x242/0x30d [ 1524.339416] __asan_report_load8_noabort+0x14/0x20 [ 1524.344357] find_first_bit+0xf7/0x100 [ 1524.348245] shrink_slab+0x5d0/0xdb0 [ 1524.351976] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 1524.357531] ? unregister_memcg_shrinker.isra.39+0x50/0x50 [ 1524.363163] ? shrink_active_list+0x1830/0x1830 [ 1524.367851] ? __sched_text_start+0x8/0x8 [ 1524.372014] ? plist_check_list+0xa0/0xa0 [ 1524.376165] ? check_preempt_wakeup+0x546/0x1280 [ 1524.380915] ? plist_check_list+0xa0/0xa0 [ 1524.385063] shrink_node+0x429/0x16a0 [ 1524.388871] ? shrink_node_memcg+0x18f0/0x18f0 [ 1524.393452] ? kvm_clock_read+0x25/0x30 [ 1524.397426] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 1524.402442] ? ktime_get_raw_ts64+0x4f0/0x4f0 [ 1524.406933] ? kasan_check_write+0x14/0x20 [ 1524.411168] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 1524.416182] do_try_to_free_pages+0x3e7/0x1290 [ 1524.420769] ? shrink_node+0x16a0/0x16a0 [ 1524.424827] ? check_same_owner+0x340/0x340 [ 1524.429146] ? trace_hardirqs_on+0x10/0x10 [ 1524.433380] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 1524.438911] ? _parse_integer+0x13b/0x190 [ 1524.443059] try_to_free_mem_cgroup_pages+0x49d/0xc90 [ 1524.448336] ? pointer_string+0x1b0/0x1b0 [ 1524.452494] ? try_to_free_pages+0xb80/0xb80 [ 1524.456918] ? memparse+0x171/0x1d0 [ 1524.460544] ? get_options+0x380/0x380 [ 1524.464428] ? kasan_kmalloc+0xc4/0xe0 [ 1524.468313] ? __kmalloc+0x14e/0x760 [ 1524.472020] ? kernfs_fop_write+0x33d/0x480 [ 1524.476335] ? __vfs_write+0x117/0x9f0 [ 1524.480214] ? vfs_write+0x1fc/0x560 [ 1524.483925] ? ksys_write+0x101/0x260 [ 1524.487724] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 1524.493260] ? page_counter_memparse+0xb5/0x1e0 [ 1524.497924] ? page_counter_set_low+0x180/0x180 [ 1524.502585] ? cgroup_control+0x180/0x180 [ 1524.506733] memory_high_write+0x283/0x310 [ 1524.510980] ? mem_cgroup_css_released+0x140/0x140 [ 1524.515906] ? lock_acquire+0x1e4/0x540 [ 1524.519874] ? __might_fault+0x12b/0x1e0 [ 1524.523937] cgroup_file_write+0x31f/0x840 [ 1524.528172] ? mem_cgroup_css_released+0x140/0x140 [ 1524.533094] ? cgroup_migrate_add_task+0xcd0/0xcd0 [ 1524.538027] ? cgroup_migrate_add_task+0xcd0/0xcd0 [ 1524.542951] kernfs_fop_write+0x2ba/0x480 [ 1524.547097] __vfs_write+0x117/0x9f0 [ 1524.550803] ? kernfs_fop_open+0x1020/0x1020 [ 1524.555208] ? kernel_read+0x120/0x120 [ 1524.559101] ? lock_release+0xa30/0xa30 [ 1524.563070] ? check_same_owner+0x340/0x340 [ 1524.567386] ? rcu_note_context_switch+0x730/0x730 [ 1524.572319] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 1524.577849] ? __sb_start_write+0x17f/0x300 [ 1524.582165] vfs_write+0x1fc/0x560 [ 1524.585700] ksys_write+0x101/0x260 [ 1524.589322] ? __ia32_sys_read+0xb0/0xb0 [ 1524.593381] __x64_sys_write+0x73/0xb0 [ 1524.597264] do_syscall_64+0x1b9/0x820 [ 1524.601143] ? finish_task_switch+0x1d3/0x870 [ 1524.605636] ? syscall_return_slowpath+0x5e0/0x5e0 [ 1524.610562] ? syscall_return_slowpath+0x31d/0x5e0 [ 1524.615487] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 1524.620499] ? prepare_exit_to_usermode+0x291/0x3b0 [ 1524.625693] ? perf_trace_sys_enter+0xb10/0xb10 [ 1524.630357] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 1524.635201] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 1524.640396] RIP: 0033:0x455e29 [ 1524.643572] Code: 1d ba fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 0f 83 eb b9 fb ff c3 66 2e 0f 1f 84 00 00 00 00 [ 1524.663273] RSP: 002b:00007f7650e00c68 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 1524.670992] RAX: ffffffffffffffda RBX: 00007f7650e016d4 RCX: 0000000000455e29 [ 1524.678254] RDX: 0000000000000001 RSI: 0000000020000000 RDI: 0000000000000016 [ 1524.685518] RBP: 000000000072bea0 R08: 0000000000000000 R09: 0000000000000000 [ 1524.692781] R10: 0000000000000000 R11: 0000000000000246 R12: 00000000ffffffff [ 1524.700043] R13: 00000000004c2e77 R14: 00000000004d4c60 R15: 0000000000000000 [ 1524.707308] [ 1524.708924] Allocated by task 6652: [ 1524.712548] save_stack+0x43/0xd0 [ 1524.715996] kasan_kmalloc+0xc4/0xe0 [ 1524.719704] __kmalloc_node+0x47/0x70 [ 1524.723499] kvmalloc_node+0x65/0xf0 [ 1524.727213] memcg_expand_shrinker_maps+0x1b1/0x3c0 [ 1524.732231] prealloc_shrinker+0x29e/0x450 [ 1524.736461] alloc_super+0x8dd/0xb10 [ 1524.740167] sget_userns+0x276/0x860 [ 1524.743875] sget+0x10b/0x150 [ 1524.746976] gfs2_mount+0x1a7/0x712 [ 1524.750597] legacy_get_tree+0x118/0x440 [ 1524.754650] vfs_get_tree+0x1cb/0x5c0 [ 1524.758445] do_mount+0x6c1/0x1fb0 [ 1524.761980] ksys_mount+0x12d/0x140 [ 1524.765601] __x64_sys_mount+0xbe/0x150 [ 1524.769571] do_syscall_64+0x1b9/0x820 [ 1524.773452] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 1524.778623] [ 1524.780243] Freed by task 4917: [ 1524.783516] save_stack+0x43/0xd0 [ 1524.786962] __kasan_slab_free+0x11a/0x170 [ 1524.791187] kasan_slab_free+0xe/0x10 [ 1524.794986] kfree+0xd9/0x260 [ 1524.798085] memcg_destroy_list_lru_node.isra.9+0xaf/0x100 [ 1524.803700] list_lru_destroy+0x2ac/0x500 [ 1524.807842] deactivate_locked_super+0xaf/0x100 [ 1524.812501] btrfs_mount_root+0x18c8/0x1eb0 [ 1524.818208] legacy_get_tree+0x118/0x440 [ 1524.822275] vfs_get_tree+0x1cb/0x5c0 [ 1524.826069] vfs_kern_mount.part.36+0x119/0x190 [ 1524.830733] vfs_kern_mount+0x4a/0x70 [ 1524.834524] btrfs_mount+0x4b7/0x217c [ 1524.838322] legacy_get_tree+0x118/0x440 [ 1524.842377] vfs_get_tree+0x1cb/0x5c0 [ 1524.846186] do_mount+0x6c1/0x1fb0 [ 1524.849726] ksys_mount+0x12d/0x140 [ 1524.853347] __x64_sys_mount+0xbe/0x150 [ 1524.857316] do_syscall_64+0x1b9/0x820 [ 1524.861205] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 1524.866381] [ 1524.868004] The buggy address belongs to the object at ffff8801d70b5540 [ 1524.868004] which belongs to the cache kmalloc-32 of size 32 [ 1524.880485] The buggy address is located 16 bytes inside of [ 1524.880485] 32-byte region [ffff8801d70b5540, ffff8801d70b5560) [ 1524.892176] The buggy address belongs to the page: [ 1524.897106] page:ffffea00075c2d40 count:1 mapcount:0 mapping:ffff8801da8001c0 index:0xffff8801d70b5fc1 [ 1524.906544] flags: 0x2fffc0000000100(slab) [ 1524.910779] raw: 02fffc0000000100 ffffea00075db508 ffffea00075ddc48 ffff8801da8001c0 [ 1524.918655] raw: ffff8801d70b5fc1 ffff8801d70b5000 000000010000003d 0000000000000000 [ 1524.926519] page dumped because: kasan: bad access detected [ 1524.932227] [ 1524.933845] Memory state around the buggy address: [ 1524.938765] ffff8801d70b5400: 00 00 07 fc fc fc fc fc fb fb fb fb fc fc fc fc [ 1524.946116] ffff8801d70b5480: fb fb fb fb fc fc fc fc fb fb fb fb fc fc fc fc [ 1524.953469] >ffff8801d70b5500: fb fb fb fb fc fc fc fc 00 00 07 fc fc fc fc fc [ 1524.960815] ^ [ 1524.966779] ffff8801d70b5580: fb fb fb fb fc fc fc fc fb fb fb fb fc fc fc fc [ 1524.974135] ffff8801d70b5600: 00 00 00 fc fc fc fc fc fb fb fb fb fc fc fc fc [ 1524.981484] ================================================================== [ 1524.989082] Kernel panic - not syncing: panic_on_warn set ... [ 1524.989082] [ 1524.996466] CPU: 0 PID: 27730 Comm: syz-executor6 Tainted: G B 4.18.0-rc3-next-20180709+ #2 [ 1525.006237] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 1525.015569] Call Trace: [ 1525.018144] dump_stack+0x1c9/0x2b4 [ 1525.021756] ? dump_stack_print_info.cold.2+0x52/0x52 [ 1525.026941] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 1525.031681] panic+0x238/0x4e7 [ 1525.034857] ? add_taint.cold.5+0x16/0x16 [ 1525.038989] ? do_raw_spin_unlock+0xa7/0x2f0 [ 1525.043383] ? find_first_bit+0xf7/0x100 [ 1525.047428] kasan_end_report+0x47/0x4f [ 1525.051382] kasan_report.cold.7+0x76/0x30d [ 1525.055691] __asan_report_load8_noabort+0x14/0x20 [ 1525.060604] find_first_bit+0xf7/0x100 [ 1525.064480] shrink_slab+0x5d0/0xdb0 [ 1525.068182] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 1525.073703] ? unregister_memcg_shrinker.isra.39+0x50/0x50 [ 1525.079316] ? shrink_active_list+0x1830/0x1830 [ 1525.083969] ? __sched_text_start+0x8/0x8 [ 1525.088100] ? plist_check_list+0xa0/0xa0 [ 1525.092232] ? check_preempt_wakeup+0x546/0x1280 [ 1525.096969] ? plist_check_list+0xa0/0xa0 [ 1525.101112] shrink_node+0x429/0x16a0 [ 1525.104901] ? shrink_node_memcg+0x18f0/0x18f0 [ 1525.109465] ? kvm_clock_read+0x25/0x30 [ 1525.113423] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 1525.118424] ? ktime_get_raw_ts64+0x4f0/0x4f0 [ 1525.122902] ? kasan_check_write+0x14/0x20 [ 1525.127120] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 1525.132129] do_try_to_free_pages+0x3e7/0x1290 [ 1525.136698] ? shrink_node+0x16a0/0x16a0 [ 1525.140742] ? check_same_owner+0x340/0x340 [ 1525.145044] ? trace_hardirqs_on+0x10/0x10 [ 1525.149265] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 1525.154784] ? _parse_integer+0x13b/0x190 [ 1525.158916] try_to_free_mem_cgroup_pages+0x49d/0xc90 [ 1525.164100] ? pointer_string+0x1b0/0x1b0 [ 1525.168230] ? try_to_free_pages+0xb80/0xb80 [ 1525.172624] ? memparse+0x171/0x1d0 [ 1525.176233] ? get_options+0x380/0x380 [ 1525.180102] ? kasan_kmalloc+0xc4/0xe0 [ 1525.183971] ? __kmalloc+0x14e/0x760 [ 1525.187680] ? kernfs_fop_write+0x33d/0x480 [ 1525.191984] ? __vfs_write+0x117/0x9f0 [ 1525.195854] ? vfs_write+0x1fc/0x560 [ 1525.199549] ? ksys_write+0x101/0x260 [ 1525.203343] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 1525.208867] ? page_counter_memparse+0xb5/0x1e0 [ 1525.213520] ? page_counter_set_low+0x180/0x180 [ 1525.218175] ? cgroup_control+0x180/0x180 [ 1525.222309] memory_high_write+0x283/0x310 [ 1525.226526] ? mem_cgroup_css_released+0x140/0x140 [ 1525.231437] ? lock_acquire+0x1e4/0x540 [ 1525.235395] ? __might_fault+0x12b/0x1e0 [ 1525.239444] cgroup_file_write+0x31f/0x840 [ 1525.243664] ? mem_cgroup_css_released+0x140/0x140 [ 1525.248576] ? cgroup_migrate_add_task+0xcd0/0xcd0 [ 1525.253492] ? cgroup_migrate_add_task+0xcd0/0xcd0 [ 1525.258405] kernfs_fop_write+0x2ba/0x480 [ 1525.262548] __vfs_write+0x117/0x9f0 [ 1525.266248] ? kernfs_fop_open+0x1020/0x1020 [ 1525.270638] ? kernel_read+0x120/0x120 [ 1525.274518] ? lock_release+0xa30/0xa30 [ 1525.278476] ? check_same_owner+0x340/0x340 [ 1525.282780] ? rcu_note_context_switch+0x730/0x730 [ 1525.287715] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 1525.293234] ? __sb_start_write+0x17f/0x300 [ 1525.297537] vfs_write+0x1fc/0x560 [ 1525.301071] ksys_write+0x101/0x260 [ 1525.304684] ? __ia32_sys_read+0xb0/0xb0 [ 1525.308730] __x64_sys_write+0x73/0xb0 [ 1525.312601] do_syscall_64+0x1b9/0x820 [ 1525.316468] ? finish_task_switch+0x1d3/0x870 [ 1525.320955] ? syscall_return_slowpath+0x5e0/0x5e0 [ 1525.325877] ? syscall_return_slowpath+0x31d/0x5e0 [ 1525.330787] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 1525.335784] ? prepare_exit_to_usermode+0x291/0x3b0 [ 1525.340792] ? perf_trace_sys_enter+0xb10/0xb10 [ 1525.345445] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 1525.350276] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 1525.355457] RIP: 0033:0x455e29 [ 1525.358625] Code: 1d ba fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 0f 83 eb b9 fb ff c3 66 2e 0f 1f 84 00 00 00 00 [ 1525.377789] RSP: 002b:00007f7650e00c68 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 1525.385479] RAX: ffffffffffffffda RBX: 00007f7650e016d4 RCX: 0000000000455e29 [ 1525.392730] RDX: 0000000000000001 RSI: 0000000020000000 RDI: 0000000000000016 [ 1525.399979] RBP: 000000000072bea0 R08: 0000000000000000 R09: 0000000000000000 [ 1525.407230] R10: 0000000000000000 R11: 0000000000000246 R12: 00000000ffffffff [ 1525.414481] R13: 00000000004c2e77 R14: 00000000004d4c60 R15: 0000000000000000 [ 1525.422185] Dumping ftrace buffer: [ 1525.425708] (ftrace buffer empty) [ 1525.429404] Kernel Offset: disabled [ 1525.433009] Rebooting in 86400 seconds..