0x4e23, 0x0, @loopback}, 0x1c) 18:00:26 executing program 3: prlimit64(0x0, 0xe, &(0x7f0000000140)={0x8, 0x8b}, 0x0) sched_setscheduler(0x0, 0x2, &(0x7f0000000080)=0x8) r0 = getpid() sched_setscheduler(r0, 0x0, &(0x7f0000001700)=0x4) socketpair$unix(0x1, 0x2, 0x0, &(0x7f0000000200)={0xffffffffffffffff, 0xffffffffffffffff}) recvmmsg(r1, &(0x7f00000000c0), 0x10106, 0x2, 0x0) r3 = openat$loop_ctrl(0xffffff9c, &(0x7f0000000040), 0x0, 0x0) sendmmsg(r2, 0x0, 0x0, 0x0) r4 = getpid() sched_setaffinity(r4, 0x8, &(0x7f0000000000)=0x96f) ioctl$LOOP_CTL_ADD(r3, 0x4c80, 0x0) ioctl$LOOP_CTL_REMOVE(r3, 0x4c81, 0x0) 18:00:26 executing program 2: r0 = syz_open_dev$sndmidi(0x0, 0x0, 0x141101) r1 = dup(r0) write$6lowpan_enable(r1, &(0x7f0000000000)='0', 0xfffffd2c) syz_open_procfs(0x0, &(0x7f0000000080)='net/dev\x00') r2 = socket$inet6_sctp(0xa, 0x5, 0x84) sendmsg$nl_route(0xffffffffffffffff, &(0x7f0000000980)={&(0x7f0000000440)={0x10, 0x0, 0x0, 0x10000000}, 0xc, &(0x7f0000000740)={&(0x7f0000000d00)=ANY=[@ANYBLOB="86f2407d8a204caf80b640e69a13fefeff6f0000042ba98cfcfccd470037369314427ebd70000000000000000000000000000000cdfb", @ANYRES32=0x0, @ANYBLOB="0c943d0559ff0600ff0000000c00018005000600c0000000100001800c00a03a03462081c7fc75d9ff", @ANYRESDEC, @ANYRES64], 0x40}, 0x1, 0x0, 0x0, 0x4008000}, 0x44040) close_range(0xffffffffffffffff, 0xffffffffffffffff, 0x2) sendto$inet6(r2, &(0x7f0000847fff)='X', 0x34000, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) 18:00:26 executing program 2: r0 = syz_open_dev$sndmidi(0x0, 0x2, 0x0) r1 = dup(r0) write$6lowpan_enable(r1, &(0x7f0000000000)='0', 0xfffffd2c) syz_open_procfs(0x0, &(0x7f0000000080)='net/dev\x00') r2 = socket$inet6_sctp(0xa, 0x5, 0x84) sendmsg$nl_route(0xffffffffffffffff, &(0x7f0000000980)={&(0x7f0000000440)={0x10, 0x0, 0x0, 0x10000000}, 0xc, &(0x7f0000000740)={&(0x7f0000000d00)=ANY=[@ANYBLOB="86f2407d8a204caf80b640e69a13fefeff6f0000042ba98cfcfccd470037369314427ebd70000000000000000000000000000000cdfb", @ANYRES32=0x0, @ANYBLOB="0c943d0559ff0600ff0000000c00018005000600c0000000100001800c00a03a03462081c7fc75d9ff", @ANYRESDEC, @ANYRES64], 0x40}, 0x1, 0x0, 0x0, 0x4008000}, 0x44040) close_range(0xffffffffffffffff, 0xffffffffffffffff, 0x2) sendto$inet6(r2, &(0x7f0000847fff)='X', 0x34000, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) 18:00:26 executing program 1: prctl$PR_SCHED_CORE(0x3e, 0x1, 0x0, 0x2, 0x0) r0 = syz_open_dev$sndmidi(&(0x7f0000000040), 0x2, 0x141101) r1 = dup(r0) write$6lowpan_enable(r1, &(0x7f0000000000)='0', 0xfffffd2c) tkill(0x0, 0x0) syz_open_procfs(0x0, 0x0) r2 = socket$inet6_sctp(0xa, 0x5, 0x84) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r2, 0x84, 0x9, &(0x7f0000000580)={0x0, @in={{0x2, 0x0, @empty}}, 0x0, 0x0, 0x3fc, 0x0, 0x32}, 0x9c) bind$packet(0xffffffffffffffff, 0x0, 0x0) close_range(0xffffffffffffffff, 0xffffffffffffffff, 0x2) sendto$inet6(r2, &(0x7f0000847fff)='X', 0x34000, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) 18:00:26 executing program 4: prctl$PR_SCHED_CORE(0x3e, 0x1, 0x0, 0x2, 0x0) r0 = syz_open_dev$sndmidi(&(0x7f0000000040), 0x2, 0x141101) r1 = dup(r0) write$6lowpan_enable(r1, &(0x7f0000000000)='0', 0xfffffd2c) tkill(0x0, 0x0) syz_open_procfs(0x0, 0x0) r2 = socket$inet6_sctp(0xa, 0x5, 0x84) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r2, 0x84, 0x9, &(0x7f0000000580)={0x0, @in={{0x2, 0x0, @empty}}, 0x0, 0x0, 0x3fc, 0x0, 0x32}, 0x9c) bind$packet(0xffffffffffffffff, &(0x7f0000000140)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @multicast}, 0x14) close_range(0xffffffffffffffff, 0xffffffffffffffff, 0x2) sendto$inet6(r2, &(0x7f0000847fff)='X', 0x34000, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) 18:00:26 executing program 0: r0 = syz_open_dev$sndmidi(0x0, 0x0, 0x141101) r1 = dup(r0) write$6lowpan_enable(r1, &(0x7f0000000000)='0', 0xfffffd2c) syz_open_procfs(0x0, &(0x7f0000000080)='net/dev\x00') r2 = socket$inet6_sctp(0xa, 0x5, 0x84) sendmsg$nl_route(0xffffffffffffffff, &(0x7f0000000980)={&(0x7f0000000440)={0x10, 0x0, 0x0, 0x10000000}, 0xc, &(0x7f0000000740)={&(0x7f0000000d00)=ANY=[@ANYBLOB="86f2407d8a204caf80b640e69a13fefeff6f0000042ba98cfcfccd470037369314427ebd70000000000000000000000000000000cdfb", @ANYRES32=0x0, @ANYBLOB="0c943d0559ff0600ff0000000c00018005000600c0000000100001800c00a03a03462081c7fc75d9ff", @ANYRESDEC, @ANYRES64], 0x40}, 0x1, 0x0, 0x0, 0x4008000}, 0x44040) close_range(0xffffffffffffffff, 0xffffffffffffffff, 0x2) sendto$inet6(r2, &(0x7f0000847fff)='X', 0x34000, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) 18:00:26 executing program 2: r0 = syz_open_dev$sndmidi(0x0, 0x2, 0x0) r1 = dup(r0) write$6lowpan_enable(r1, &(0x7f0000000000)='0', 0xfffffd2c) syz_open_procfs(0x0, &(0x7f0000000080)='net/dev\x00') r2 = socket$inet6_sctp(0xa, 0x5, 0x84) sendmsg$nl_route(0xffffffffffffffff, &(0x7f0000000980)={&(0x7f0000000440)={0x10, 0x0, 0x0, 0x10000000}, 0xc, &(0x7f0000000740)={&(0x7f0000000d00)=ANY=[@ANYBLOB="86f2407d8a204caf80b640e69a13fefeff6f0000042ba98cfcfccd470037369314427ebd70000000000000000000000000000000cdfb", @ANYRES32=0x0, @ANYBLOB="0c943d0559ff0600ff0000000c00018005000600c0000000100001800c00a03a03462081c7fc75d9ff", @ANYRESDEC, @ANYRES64], 0x40}, 0x1, 0x0, 0x0, 0x4008000}, 0x44040) close_range(0xffffffffffffffff, 0xffffffffffffffff, 0x2) sendto$inet6(r2, &(0x7f0000847fff)='X', 0x34000, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) 18:00:26 executing program 2: r0 = syz_open_dev$sndmidi(0x0, 0x2, 0x0) r1 = dup(r0) write$6lowpan_enable(r1, &(0x7f0000000000)='0', 0xfffffd2c) syz_open_procfs(0x0, &(0x7f0000000080)='net/dev\x00') r2 = socket$inet6_sctp(0xa, 0x5, 0x84) sendmsg$nl_route(0xffffffffffffffff, &(0x7f0000000980)={&(0x7f0000000440)={0x10, 0x0, 0x0, 0x10000000}, 0xc, &(0x7f0000000740)={&(0x7f0000000d00)=ANY=[@ANYBLOB="86f2407d8a204caf80b640e69a13fefeff6f0000042ba98cfcfccd470037369314427ebd70000000000000000000000000000000cdfb", @ANYRES32=0x0, @ANYBLOB="0c943d0559ff0600ff0000000c00018005000600c0000000100001800c00a03a03462081c7fc75d9ff", @ANYRESDEC, @ANYRES64], 0x40}, 0x1, 0x0, 0x0, 0x4008000}, 0x44040) close_range(0xffffffffffffffff, 0xffffffffffffffff, 0x2) sendto$inet6(r2, &(0x7f0000847fff)='X', 0x34000, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) 18:00:27 executing program 0: r0 = syz_open_dev$sndmidi(0x0, 0x2, 0x0) r1 = dup(r0) write$6lowpan_enable(r1, &(0x7f0000000000)='0', 0xfffffd2c) syz_open_procfs(0x0, &(0x7f0000000080)='net/dev\x00') r2 = socket$inet6_sctp(0xa, 0x5, 0x84) sendmsg$nl_route(0xffffffffffffffff, &(0x7f0000000980)={&(0x7f0000000440)={0x10, 0x0, 0x0, 0x10000000}, 0xc, &(0x7f0000000740)={&(0x7f0000000d00)=ANY=[@ANYBLOB="86f2407d8a204caf80b640e69a13fefeff6f0000042ba98cfcfccd470037369314427ebd70000000000000000000000000000000cdfb", @ANYRES32=0x0, @ANYBLOB="0c943d0559ff0600ff0000000c00018005000600c0000000100001800c00a03a03462081c7fc75d9ff", @ANYRESDEC, @ANYRES64], 0x40}, 0x1, 0x0, 0x0, 0x4008000}, 0x44040) close_range(0xffffffffffffffff, 0xffffffffffffffff, 0x2) sendto$inet6(r2, &(0x7f0000847fff)='X', 0x34000, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) 18:00:27 executing program 2: syz_open_dev$sndmidi(0x0, 0x2, 0x141101) r0 = dup(0xffffffffffffffff) write$6lowpan_enable(r0, &(0x7f0000000000)='0', 0xfffffd2c) syz_open_procfs(0x0, &(0x7f0000000080)='net/dev\x00') r1 = socket$inet6_sctp(0xa, 0x5, 0x84) sendmsg$nl_route(0xffffffffffffffff, &(0x7f0000000980)={&(0x7f0000000440)={0x10, 0x0, 0x0, 0x10000000}, 0xc, &(0x7f0000000740)={&(0x7f0000000d00)=ANY=[@ANYBLOB="86f2407d8a204caf80b640e69a13fefeff6f0000042ba98cfcfccd470037369314427ebd70000000000000000000000000000000cdfb", @ANYRES32=0x0, @ANYBLOB="0c943d0559ff0600ff0000000c00018005000600c0000000100001800c00a03a03462081c7fc75d9ff", @ANYRESDEC, @ANYRES64], 0x40}, 0x1, 0x0, 0x0, 0x4008000}, 0x44040) close_range(0xffffffffffffffff, 0xffffffffffffffff, 0x2) sendto$inet6(r1, &(0x7f0000847fff)='X', 0x34000, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) 18:00:27 executing program 5: r0 = syz_open_dev$sndmidi(0x0, 0x2, 0x0) r1 = dup(r0) write$6lowpan_enable(r1, &(0x7f0000000000)='0', 0xfffffd2c) syz_open_procfs(0x0, &(0x7f0000000080)='net/dev\x00') r2 = socket$inet6_sctp(0xa, 0x5, 0x84) sendmsg$nl_route(0xffffffffffffffff, &(0x7f0000000980)={&(0x7f0000000440)={0x10, 0x0, 0x0, 0x10000000}, 0xc, &(0x7f0000000740)={&(0x7f0000000d00)=ANY=[@ANYBLOB="86f2407d8a204caf80b640e69a13fefeff6f0000042ba98cfcfccd470037369314427ebd70000000000000000000000000000000cdfb", @ANYRES32=0x0, @ANYBLOB="0c943d0559ff0600ff0000000c00018005000600c0000000100001800c00a03a03462081c7fc75d9ff", @ANYRESDEC, @ANYRES64], 0x40}, 0x1, 0x0, 0x0, 0x4008000}, 0x44040) close_range(0xffffffffffffffff, 0xffffffffffffffff, 0x2) sendto$inet6(r2, &(0x7f0000847fff)='X', 0x34000, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) 18:00:27 executing program 0: r0 = syz_open_dev$sndmidi(0x0, 0x2, 0x0) r1 = dup(r0) write$6lowpan_enable(r1, &(0x7f0000000000)='0', 0xfffffd2c) syz_open_procfs(0x0, &(0x7f0000000080)='net/dev\x00') r2 = socket$inet6_sctp(0xa, 0x5, 0x84) sendmsg$nl_route(0xffffffffffffffff, &(0x7f0000000980)={&(0x7f0000000440)={0x10, 0x0, 0x0, 0x10000000}, 0xc, &(0x7f0000000740)={&(0x7f0000000d00)=ANY=[@ANYBLOB="86f2407d8a204caf80b640e69a13fefeff6f0000042ba98cfcfccd470037369314427ebd70000000000000000000000000000000cdfb", @ANYRES32=0x0, @ANYBLOB="0c943d0559ff0600ff0000000c00018005000600c0000000100001800c00a03a03462081c7fc75d9ff", @ANYRESDEC, @ANYRES64], 0x40}, 0x1, 0x0, 0x0, 0x4008000}, 0x44040) close_range(0xffffffffffffffff, 0xffffffffffffffff, 0x2) sendto$inet6(r2, &(0x7f0000847fff)='X', 0x34000, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) 18:00:27 executing program 3: prlimit64(0x0, 0xe, &(0x7f0000000140)={0x8, 0x8b}, 0x0) sched_setscheduler(0x0, 0x2, &(0x7f0000000080)=0x8) r0 = getpid() sched_setscheduler(r0, 0x0, &(0x7f0000001700)=0x4) socketpair$unix(0x1, 0x2, 0x0, &(0x7f0000000200)={0xffffffffffffffff, 0xffffffffffffffff}) recvmmsg(r1, &(0x7f00000000c0), 0x10106, 0x2, 0x0) r3 = openat$loop_ctrl(0xffffff9c, &(0x7f0000000040), 0x0, 0x0) sendmmsg(r2, 0x0, 0x0, 0x0) r4 = getpid() sched_setaffinity(r4, 0x8, &(0x7f0000000000)=0x96f) ioctl$LOOP_CTL_ADD(r3, 0x4c80, 0x0) ioctl$LOOP_CTL_REMOVE(r3, 0x4c81, 0x0) 18:00:27 executing program 2: syz_open_dev$sndmidi(0x0, 0x2, 0x141101) dup(0xffffffffffffffff) write$6lowpan_enable(0xffffffffffffffff, &(0x7f0000000000)='0', 0xfffffd2c) syz_open_procfs(0x0, &(0x7f0000000080)='net/dev\x00') r0 = socket$inet6_sctp(0xa, 0x5, 0x84) sendmsg$nl_route(0xffffffffffffffff, &(0x7f0000000980)={&(0x7f0000000440)={0x10, 0x0, 0x0, 0x10000000}, 0xc, &(0x7f0000000740)={&(0x7f0000000d00)=ANY=[@ANYBLOB="86f2407d8a204caf80b640e69a13fefeff6f0000042ba98cfcfccd470037369314427ebd70000000000000000000000000000000cdfb", @ANYRES32=0x0, @ANYBLOB="0c943d0559ff0600ff0000000c00018005000600c0000000100001800c00a03a03462081c7fc75d9ff", @ANYRESDEC, @ANYRES64], 0x40}, 0x1, 0x0, 0x0, 0x4008000}, 0x44040) close_range(0xffffffffffffffff, 0xffffffffffffffff, 0x2) sendto$inet6(r0, &(0x7f0000847fff)='X', 0x34000, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) 18:00:27 executing program 5: r0 = syz_open_dev$sndmidi(0x0, 0x0, 0x141101) r1 = dup(r0) write$6lowpan_enable(r1, &(0x7f0000000000)='0', 0xfffffd2c) syz_open_procfs(0x0, &(0x7f0000000080)='net/dev\x00') r2 = socket$inet6_sctp(0xa, 0x5, 0x84) sendmsg$nl_route(0xffffffffffffffff, &(0x7f0000000980)={&(0x7f0000000440)={0x10, 0x0, 0x0, 0x10000000}, 0xc, &(0x7f0000000740)={&(0x7f0000000d00)=ANY=[@ANYBLOB="86f2407d8a204caf80b640e69a13fefeff6f0000042ba98cfcfccd470037369314427ebd70000000000000000000000000000000cdfb", @ANYRES32=0x0, @ANYBLOB="0c943d0559ff0600ff0000000c00018005000600c0000000100001800c00a03a03462081c7fc75d9ff", @ANYRESDEC, @ANYRES64], 0x40}, 0x1, 0x0, 0x0, 0x4008000}, 0x44040) close_range(0xffffffffffffffff, 0xffffffffffffffff, 0x2) sendto$inet6(r2, &(0x7f0000847fff)='X', 0x34000, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) 18:00:27 executing program 2: syz_open_dev$sndmidi(0x0, 0x2, 0x141101) dup(0xffffffffffffffff) write$6lowpan_enable(0xffffffffffffffff, &(0x7f0000000000)='0', 0xfffffd2c) syz_open_procfs(0x0, &(0x7f0000000080)='net/dev\x00') r0 = socket$inet6_sctp(0xa, 0x5, 0x84) sendmsg$nl_route(0xffffffffffffffff, &(0x7f0000000980)={&(0x7f0000000440)={0x10, 0x0, 0x0, 0x10000000}, 0xc, &(0x7f0000000740)={&(0x7f0000000d00)=ANY=[@ANYBLOB="86f2407d8a204caf80b640e69a13fefeff6f0000042ba98cfcfccd470037369314427ebd70000000000000000000000000000000cdfb", @ANYRES32=0x0, @ANYBLOB="0c943d0559ff0600ff0000000c00018005000600c0000000100001800c00a03a03462081c7fc75d9ff", @ANYRESDEC, @ANYRES64], 0x40}, 0x1, 0x0, 0x0, 0x4008000}, 0x44040) close_range(0xffffffffffffffff, 0xffffffffffffffff, 0x2) sendto$inet6(r0, &(0x7f0000847fff)='X', 0x34000, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) 18:00:27 executing program 0: prlimit64(0x0, 0xe, &(0x7f0000000140)={0x8, 0x8b}, 0x0) sched_setscheduler(0x0, 0x2, &(0x7f0000000080)=0x8) getpid() sched_setscheduler(0x0, 0x1, &(0x7f0000001700)=0x4) socketpair$unix(0x1, 0x2, 0x0, &(0x7f0000000200)={0xffffffffffffffff, 0xffffffffffffffff}) recvmmsg(r0, &(0x7f00000000c0), 0x10106, 0x2, 0x0) r2 = openat$loop_ctrl(0xffffff9c, &(0x7f0000000040), 0x0, 0x0) sendmmsg(r1, 0x0, 0x0, 0x0) r3 = getpid() sched_setaffinity(r3, 0x8, &(0x7f0000000000)=0x96f) ioctl$LOOP_CTL_ADD(r2, 0x4c80, 0x0) ioctl$LOOP_CTL_REMOVE(r2, 0x4c81, 0x0) 18:00:27 executing program 5: r0 = syz_open_dev$sndmidi(0x0, 0x0, 0x141101) r1 = dup(r0) write$6lowpan_enable(r1, &(0x7f0000000000)='0', 0xfffffd2c) syz_open_procfs(0x0, &(0x7f0000000080)='net/dev\x00') r2 = socket$inet6_sctp(0xa, 0x5, 0x84) sendmsg$nl_route(0xffffffffffffffff, &(0x7f0000000980)={&(0x7f0000000440)={0x10, 0x0, 0x0, 0x10000000}, 0xc, &(0x7f0000000740)={&(0x7f0000000d00)=ANY=[@ANYBLOB="86f2407d8a204caf80b640e69a13fefeff6f0000042ba98cfcfccd470037369314427ebd70000000000000000000000000000000cdfb", @ANYRES32=0x0, @ANYBLOB="0c943d0559ff0600ff0000000c00018005000600c0000000100001800c00a03a03462081c7fc75d9ff", @ANYRESDEC, @ANYRES64], 0x40}, 0x1, 0x0, 0x0, 0x4008000}, 0x44040) close_range(0xffffffffffffffff, 0xffffffffffffffff, 0x2) sendto$inet6(r2, &(0x7f0000847fff)='X', 0x34000, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) 18:00:27 executing program 4: prctl$PR_SCHED_CORE(0x3e, 0x1, 0x0, 0x2, 0x0) r0 = syz_open_dev$sndmidi(&(0x7f0000000040), 0x2, 0x141101) r1 = dup(r0) write$6lowpan_enable(r1, &(0x7f0000000000)='0', 0xfffffd2c) tkill(0x0, 0x0) syz_open_procfs(0x0, 0x0) r2 = socket$inet6_sctp(0xa, 0x5, 0x84) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r2, 0x84, 0x9, &(0x7f0000000580)={0x0, @in={{0x2, 0x0, @empty}}, 0x0, 0x0, 0x3fc, 0x0, 0x32}, 0x9c) bind$packet(0xffffffffffffffff, &(0x7f0000000140)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @multicast}, 0x14) close_range(0xffffffffffffffff, 0xffffffffffffffff, 0x2) sendto$inet6(r2, &(0x7f0000847fff)='X', 0x34000, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) 18:00:27 executing program 1: prctl$PR_SCHED_CORE(0x3e, 0x1, 0x0, 0x2, 0x0) r0 = syz_open_dev$sndmidi(&(0x7f0000000040), 0x2, 0x141101) r1 = dup(r0) write$6lowpan_enable(r1, &(0x7f0000000000)='0', 0xfffffd2c) tkill(0x0, 0x0) syz_open_procfs(0x0, 0x0) r2 = socket$inet6_sctp(0xa, 0x5, 0x84) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r2, 0x84, 0x9, &(0x7f0000000580)={0x0, @in={{0x2, 0x0, @empty}}, 0x0, 0x0, 0x3fc, 0x0, 0x32}, 0x9c) bind$packet(0xffffffffffffffff, &(0x7f0000000140)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @multicast}, 0x14) close_range(0xffffffffffffffff, 0xffffffffffffffff, 0x2) sendto$inet6(r2, &(0x7f0000847fff)='X', 0x34000, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) 18:00:27 executing program 5: r0 = syz_open_dev$sndmidi(0x0, 0x2, 0x141101) r1 = dup(r0) write$6lowpan_enable(r1, &(0x7f0000000000)='0', 0xfffffd2c) syz_open_procfs(0x0, &(0x7f0000000080)='net/dev\x00') r2 = socket$inet6_sctp(0xa, 0x5, 0x84) sendmsg$nl_route(0xffffffffffffffff, &(0x7f0000000980)={&(0x7f0000000440)={0x10, 0x0, 0x0, 0x10000000}, 0xc, &(0x7f0000000740)={&(0x7f0000000d00)=ANY=[@ANYBLOB="86f2407d8a204caf80b640e69a13fefeff6f0000042ba98cfcfccd470037369314427ebd70000000000000000000000000000000cdfb", @ANYRES32=0x0, @ANYBLOB="0c943d0559ff0600ff0000000c00018005000600c0000000100001800c00a03a03462081c7fc75d9ff", @ANYRESDEC, @ANYRES64], 0x40}, 0x1, 0x0, 0x0, 0x4008000}, 0x44040) close_range(0xffffffffffffffff, 0xffffffffffffffff, 0x2) sendto$inet6(r2, &(0x7f0000847fff)='X', 0x34000, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) 18:00:27 executing program 2: syz_open_dev$sndmidi(0x0, 0x2, 0x141101) dup(0xffffffffffffffff) write$6lowpan_enable(0xffffffffffffffff, &(0x7f0000000000)='0', 0xfffffd2c) syz_open_procfs(0x0, &(0x7f0000000080)='net/dev\x00') r0 = socket$inet6_sctp(0xa, 0x5, 0x84) sendmsg$nl_route(0xffffffffffffffff, &(0x7f0000000980)={&(0x7f0000000440)={0x10, 0x0, 0x0, 0x10000000}, 0xc, &(0x7f0000000740)={&(0x7f0000000d00)=ANY=[@ANYBLOB="86f2407d8a204caf80b640e69a13fefeff6f0000042ba98cfcfccd470037369314427ebd70000000000000000000000000000000cdfb", @ANYRES32=0x0, @ANYBLOB="0c943d0559ff0600ff0000000c00018005000600c0000000100001800c00a03a03462081c7fc75d9ff", @ANYRESDEC, @ANYRES64], 0x40}, 0x1, 0x0, 0x0, 0x4008000}, 0x44040) close_range(0xffffffffffffffff, 0xffffffffffffffff, 0x2) sendto$inet6(r0, &(0x7f0000847fff)='X', 0x34000, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) 18:00:27 executing program 2: syz_open_dev$sndmidi(0x0, 0x2, 0x141101) r0 = dup(0xffffffffffffffff) write$6lowpan_enable(r0, 0x0, 0x0) syz_open_procfs(0x0, &(0x7f0000000080)='net/dev\x00') r1 = socket$inet6_sctp(0xa, 0x5, 0x84) sendmsg$nl_route(0xffffffffffffffff, &(0x7f0000000980)={&(0x7f0000000440)={0x10, 0x0, 0x0, 0x10000000}, 0xc, &(0x7f0000000740)={&(0x7f0000000d00)=ANY=[@ANYBLOB="86f2407d8a204caf80b640e69a13fefeff6f0000042ba98cfcfccd470037369314427ebd70000000000000000000000000000000cdfb", @ANYRES32=0x0, @ANYBLOB="0c943d0559ff0600ff0000000c00018005000600c0000000100001800c00a03a03462081c7fc75d9ff", @ANYRESDEC, @ANYRES64], 0x40}, 0x1, 0x0, 0x0, 0x4008000}, 0x44040) close_range(0xffffffffffffffff, 0xffffffffffffffff, 0x2) sendto$inet6(r1, &(0x7f0000847fff)='X', 0x34000, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) 18:00:27 executing program 5: prctl$PR_SCHED_CORE(0x3e, 0x1, 0x0, 0x2, 0x0) r0 = dup(0xffffffffffffffff) write$6lowpan_enable(r0, &(0x7f0000000000)='0', 0xfffffd2c) syz_open_procfs(0x0, &(0x7f0000000080)='net/dev\x00') r1 = socket$inet6_sctp(0xa, 0x5, 0x84) sendmsg$nl_route(0xffffffffffffffff, &(0x7f0000000980)={&(0x7f0000000440)={0x10, 0x0, 0x0, 0x10000000}, 0xc, &(0x7f0000000740)={&(0x7f0000000d00)=ANY=[@ANYBLOB="86f2407d8a204caf80b640e69a13fefeff6f0000042ba98cfcfccd470037369314427ebd70000000000000000000000000000000cdfb", @ANYRES32=0x0, @ANYBLOB="0c943d0559ff0600ff0000000c00018005000600c0000000100001800c00a03a03462081c7fc75d9ff", @ANYRESDEC, @ANYRES64], 0x40}, 0x1, 0x0, 0x0, 0x4008000}, 0x44040) close_range(0xffffffffffffffff, 0xffffffffffffffff, 0x2) sendto$inet6(r1, &(0x7f0000847fff)='X', 0x34000, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) 18:00:28 executing program 2: syz_open_dev$sndmidi(0x0, 0x2, 0x141101) r0 = dup(0xffffffffffffffff) write$6lowpan_enable(r0, 0x0, 0x0) syz_open_procfs(0x0, &(0x7f0000000080)='net/dev\x00') r1 = socket$inet6_sctp(0xa, 0x5, 0x84) sendmsg$nl_route(0xffffffffffffffff, &(0x7f0000000980)={&(0x7f0000000440)={0x10, 0x0, 0x0, 0x10000000}, 0xc, &(0x7f0000000740)={&(0x7f0000000d00)=ANY=[@ANYBLOB="86f2407d8a204caf80b640e69a13fefeff6f0000042ba98cfcfccd470037369314427ebd70000000000000000000000000000000cdfb", @ANYRES32=0x0, @ANYBLOB="0c943d0559ff0600ff0000000c00018005000600c0000000100001800c00a03a03462081c7fc75d9ff", @ANYRESDEC, @ANYRES64], 0x40}, 0x1, 0x0, 0x0, 0x4008000}, 0x44040) close_range(0xffffffffffffffff, 0xffffffffffffffff, 0x2) sendto$inet6(r1, &(0x7f0000847fff)='X', 0x34000, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) 18:00:28 executing program 3: prlimit64(0x0, 0xe, &(0x7f0000000140)={0x8, 0x8b}, 0x0) sched_setscheduler(0x0, 0x2, &(0x7f0000000080)=0x8) r0 = getpid() sched_setscheduler(r0, 0x0, &(0x7f0000001700)=0x4) socketpair$unix(0x1, 0x2, 0x0, &(0x7f0000000200)={0xffffffffffffffff, 0xffffffffffffffff}) recvmmsg(r1, &(0x7f00000000c0), 0x10106, 0x2, 0x0) r3 = openat$loop_ctrl(0xffffff9c, &(0x7f0000000040), 0x0, 0x0) sendmmsg(r2, 0x0, 0x0, 0x0) r4 = getpid() sched_setaffinity(r4, 0x8, &(0x7f0000000000)=0x96f) ioctl$LOOP_CTL_ADD(r3, 0x4c80, 0x0) ioctl$LOOP_CTL_REMOVE(r3, 0x4c81, 0x0) 18:00:28 executing program 5: syz_open_dev$sndmidi(0x0, 0x2, 0x141101) r0 = dup(0xffffffffffffffff) write$6lowpan_enable(r0, 0x0, 0x0) syz_open_procfs(0x0, &(0x7f0000000080)='net/dev\x00') r1 = socket$inet6_sctp(0xa, 0x5, 0x84) sendmsg$nl_route(0xffffffffffffffff, &(0x7f0000000980)={&(0x7f0000000440)={0x10, 0x0, 0x0, 0x10000000}, 0xc, &(0x7f0000000740)={&(0x7f0000000d00)=ANY=[@ANYBLOB="86f2407d8a204caf80b640e69a13fefeff6f0000042ba98cfcfccd470037369314427ebd70000000000000000000000000000000cdfb", @ANYRES32=0x0, @ANYBLOB="0c943d0559ff0600ff0000000c00018005000600c0000000100001800c00a03a03462081c7fc75d9ff", @ANYRESDEC, @ANYRES64], 0x40}, 0x1, 0x0, 0x0, 0x4008000}, 0x44040) close_range(0xffffffffffffffff, 0xffffffffffffffff, 0x2) sendto$inet6(r1, &(0x7f0000847fff)='X', 0x34000, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) 18:00:28 executing program 2: syz_open_dev$sndmidi(0x0, 0x2, 0x141101) r0 = dup(0xffffffffffffffff) write$6lowpan_enable(r0, 0x0, 0x0) syz_open_procfs(0x0, &(0x7f0000000080)='net/dev\x00') r1 = socket$inet6_sctp(0xa, 0x5, 0x84) sendmsg$nl_route(0xffffffffffffffff, &(0x7f0000000980)={&(0x7f0000000440)={0x10, 0x0, 0x0, 0x10000000}, 0xc, &(0x7f0000000740)={&(0x7f0000000d00)=ANY=[@ANYBLOB="86f2407d8a204caf80b640e69a13fefeff6f0000042ba98cfcfccd470037369314427ebd70000000000000000000000000000000cdfb", @ANYRES32=0x0, @ANYBLOB="0c943d0559ff0600ff0000000c00018005000600c0000000100001800c00a03a03462081c7fc75d9ff", @ANYRESDEC, @ANYRES64], 0x40}, 0x1, 0x0, 0x0, 0x4008000}, 0x44040) close_range(0xffffffffffffffff, 0xffffffffffffffff, 0x2) sendto$inet6(r1, &(0x7f0000847fff)='X', 0x34000, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) 18:00:28 executing program 0: prctl$PR_SCHED_CORE(0x3e, 0x1, 0x0, 0x2, 0x0) r0 = syz_open_dev$sndmidi(&(0x7f0000000040), 0x2, 0x141101) r1 = dup(r0) write$6lowpan_enable(r1, &(0x7f0000000000)='0', 0xfffffd2c) r2 = getpid() tkill(0x0, 0x0) syz_open_procfs(r2, 0x0) r3 = socket$inet6_sctp(0xa, 0x5, 0x84) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(0xffffffffffffffff, 0x84, 0x9, &(0x7f0000000580)={0x0, @in={{0x2, 0x0, @empty}}, 0x0, 0x0, 0x3fc, 0x0, 0x32}, 0x9c) sendmsg$nl_route(0xffffffffffffffff, &(0x7f0000000980)={&(0x7f0000000440)={0x10, 0x0, 0x0, 0x10000000}, 0xc, &(0x7f0000000740)={&(0x7f0000000d00)=ANY=[@ANYBLOB="86f2407d8a204caf80b640e69a13fefeff6f0000042ba98cfcfccd470037369314427ebd70000000000000000000000000000000cdfb0fa21b95f8072c528f2858315775d7552e", @ANYRES32=0x0, @ANYBLOB="0c943d0559ff0600ff0000000c00018005000600c0000000100001800c00a03a03462081c7fc75d9ffffbf", @ANYRESDEC, @ANYRES64], 0x40}, 0x1, 0x0, 0x0, 0x4008000}, 0x44040) bind$packet(0xffffffffffffffff, &(0x7f0000000140)={0x11, 0xf0, 0x0, 0x1, 0x0, 0x6, @multicast}, 0x14) close_range(0xffffffffffffffff, 0xffffffffffffffff, 0x2) sendto$inet6(r3, &(0x7f0000847fff)='X', 0x34000, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) 18:00:28 executing program 5: syz_open_dev$sndmidi(0x0, 0x2, 0x141101) r0 = dup(0xffffffffffffffff) write$6lowpan_enable(r0, 0x0, 0x0) syz_open_procfs(0x0, &(0x7f0000000080)='net/dev\x00') r1 = socket$inet6_sctp(0xa, 0x5, 0x84) sendmsg$nl_route(0xffffffffffffffff, &(0x7f0000000980)={&(0x7f0000000440)={0x10, 0x0, 0x0, 0x10000000}, 0xc, &(0x7f0000000740)={&(0x7f0000000d00)=ANY=[@ANYBLOB="86f2407d8a204caf80b640e69a13fefeff6f0000042ba98cfcfccd470037369314427ebd70000000000000000000000000000000cdfb", @ANYRES32=0x0, @ANYBLOB="0c943d0559ff0600ff0000000c00018005000600c0000000100001800c00a03a03462081c7fc75d9ff", @ANYRESDEC, @ANYRES64], 0x40}, 0x1, 0x0, 0x0, 0x4008000}, 0x44040) close_range(0xffffffffffffffff, 0xffffffffffffffff, 0x2) sendto$inet6(r1, &(0x7f0000847fff)='X', 0x34000, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) 18:00:28 executing program 4: prctl$PR_SCHED_CORE(0x3e, 0x1, 0x0, 0x2, 0x0) r0 = syz_open_dev$sndmidi(&(0x7f0000000040), 0x2, 0x141101) r1 = dup(r0) write$6lowpan_enable(r1, &(0x7f0000000000)='0', 0xfffffd2c) tkill(0x0, 0x0) syz_open_procfs(0x0, 0x0) r2 = socket$inet6_sctp(0xa, 0x5, 0x84) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r2, 0x84, 0x9, &(0x7f0000000580)={0x0, @in={{0x2, 0x0, @empty}}, 0x0, 0x0, 0x3fc, 0x0, 0x32}, 0x9c) bind$packet(0xffffffffffffffff, &(0x7f0000000140)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @multicast}, 0x14) close_range(0xffffffffffffffff, 0xffffffffffffffff, 0x2) sendto$inet6(r2, &(0x7f0000847fff)='X', 0x34000, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) 18:00:28 executing program 2: syz_open_dev$sndmidi(0x0, 0x2, 0x141101) r0 = dup(0xffffffffffffffff) write$6lowpan_enable(r0, &(0x7f0000000000)='0', 0xfffffd2c) syz_open_procfs(0x0, 0x0) r1 = socket$inet6_sctp(0xa, 0x5, 0x84) sendmsg$nl_route(0xffffffffffffffff, &(0x7f0000000980)={&(0x7f0000000440)={0x10, 0x0, 0x0, 0x10000000}, 0xc, &(0x7f0000000740)={&(0x7f0000000d00)=ANY=[@ANYBLOB="86f2407d8a204caf80b640e69a13fefeff6f0000042ba98cfcfccd470037369314427ebd70000000000000000000000000000000cdfb", @ANYRES32=0x0, @ANYBLOB="0c943d0559ff0600ff0000000c00018005000600c0000000100001800c00a03a03462081c7fc75d9ff", @ANYRESDEC, @ANYRES64], 0x40}, 0x1, 0x0, 0x0, 0x4008000}, 0x44040) close_range(0xffffffffffffffff, 0xffffffffffffffff, 0x2) sendto$inet6(r1, &(0x7f0000847fff)='X', 0x34000, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) 18:00:28 executing program 5: syz_open_dev$sndmidi(0x0, 0x2, 0x141101) r0 = dup(0xffffffffffffffff) write$6lowpan_enable(r0, 0x0, 0x0) syz_open_procfs(0x0, &(0x7f0000000080)='net/dev\x00') r1 = socket$inet6_sctp(0xa, 0x5, 0x84) sendmsg$nl_route(0xffffffffffffffff, &(0x7f0000000980)={&(0x7f0000000440)={0x10, 0x0, 0x0, 0x10000000}, 0xc, &(0x7f0000000740)={&(0x7f0000000d00)=ANY=[@ANYBLOB="86f2407d8a204caf80b640e69a13fefeff6f0000042ba98cfcfccd470037369314427ebd70000000000000000000000000000000cdfb", @ANYRES32=0x0, @ANYBLOB="0c943d0559ff0600ff0000000c00018005000600c0000000100001800c00a03a03462081c7fc75d9ff", @ANYRESDEC, @ANYRES64], 0x40}, 0x1, 0x0, 0x0, 0x4008000}, 0x44040) close_range(0xffffffffffffffff, 0xffffffffffffffff, 0x2) sendto$inet6(r1, &(0x7f0000847fff)='X', 0x34000, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) 18:00:28 executing program 1: prctl$PR_SCHED_CORE(0x3e, 0x1, 0x0, 0x2, 0x0) r0 = syz_open_dev$sndmidi(&(0x7f0000000040), 0x2, 0x141101) r1 = dup(r0) write$6lowpan_enable(r1, &(0x7f0000000000)='0', 0xfffffd2c) tkill(0x0, 0x0) syz_open_procfs(0x0, 0x0) r2 = socket$inet6_sctp(0xa, 0x5, 0x84) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r2, 0x84, 0x9, &(0x7f0000000580)={0x0, @in={{0x2, 0x0, @empty}}, 0x0, 0x0, 0x3fc, 0x0, 0x32}, 0x9c) bind$packet(0xffffffffffffffff, &(0x7f0000000140)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @multicast}, 0x14) close_range(0xffffffffffffffff, 0xffffffffffffffff, 0x2) sendto$inet6(r2, &(0x7f0000847fff)='X', 0x34000, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) 18:00:28 executing program 2: syz_open_dev$sndmidi(0x0, 0x2, 0x141101) r0 = dup(0xffffffffffffffff) write$6lowpan_enable(r0, &(0x7f0000000000)='0', 0xfffffd2c) syz_open_procfs(0x0, 0x0) r1 = socket$inet6_sctp(0xa, 0x5, 0x84) sendmsg$nl_route(0xffffffffffffffff, &(0x7f0000000980)={&(0x7f0000000440)={0x10, 0x0, 0x0, 0x10000000}, 0xc, &(0x7f0000000740)={&(0x7f0000000d00)=ANY=[@ANYBLOB="86f2407d8a204caf80b640e69a13fefeff6f0000042ba98cfcfccd470037369314427ebd70000000000000000000000000000000cdfb", @ANYRES32=0x0, @ANYBLOB="0c943d0559ff0600ff0000000c00018005000600c0000000100001800c00a03a03462081c7fc75d9ff", @ANYRESDEC, @ANYRES64], 0x40}, 0x1, 0x0, 0x0, 0x4008000}, 0x44040) close_range(0xffffffffffffffff, 0xffffffffffffffff, 0x2) sendto$inet6(r1, &(0x7f0000847fff)='X', 0x34000, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) 18:00:28 executing program 5: prctl$PR_SCHED_CORE(0x3e, 0x1, 0x0, 0x2, 0x0) r0 = syz_open_dev$sndmidi(&(0x7f0000000040), 0x2, 0x141101) r1 = dup(r0) write$6lowpan_enable(r1, &(0x7f0000000000)='0', 0xfffffd2c) tkill(0x0, 0x0) syz_open_procfs(0x0, 0x0) r2 = socket$inet6_sctp(0xa, 0x5, 0x84) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r2, 0x84, 0x9, &(0x7f0000000580)={0x0, @in={{0x2, 0x0, @empty}}, 0x0, 0x0, 0x3fc, 0x0, 0x32}, 0x9c) bind$packet(0xffffffffffffffff, &(0x7f0000000140)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @multicast}, 0x14) close_range(0xffffffffffffffff, 0xffffffffffffffff, 0x2) sendto$inet6(r2, &(0x7f0000847fff)='X', 0x34000, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) 18:00:29 executing program 2: syz_open_dev$sndmidi(0x0, 0x2, 0x141101) r0 = dup(0xffffffffffffffff) write$6lowpan_enable(r0, &(0x7f0000000000)='0', 0xfffffd2c) syz_open_procfs(0x0, 0x0) r1 = socket$inet6_sctp(0xa, 0x5, 0x84) sendmsg$nl_route(0xffffffffffffffff, &(0x7f0000000980)={&(0x7f0000000440)={0x10, 0x0, 0x0, 0x10000000}, 0xc, &(0x7f0000000740)={&(0x7f0000000d00)=ANY=[@ANYBLOB="86f2407d8a204caf80b640e69a13fefeff6f0000042ba98cfcfccd470037369314427ebd70000000000000000000000000000000cdfb", @ANYRES32=0x0, @ANYBLOB="0c943d0559ff0600ff0000000c00018005000600c0000000100001800c00a03a03462081c7fc75d9ff", @ANYRESDEC, @ANYRES64], 0x40}, 0x1, 0x0, 0x0, 0x4008000}, 0x44040) close_range(0xffffffffffffffff, 0xffffffffffffffff, 0x2) sendto$inet6(r1, &(0x7f0000847fff)='X', 0x34000, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) 18:00:29 executing program 3: prlimit64(0x0, 0xe, &(0x7f0000000140)={0x8, 0x8b}, 0x0) sched_setscheduler(0x0, 0x2, &(0x7f0000000080)=0x8) r0 = getpid() sched_setscheduler(r0, 0x1, 0x0) socketpair$unix(0x1, 0x2, 0x0, &(0x7f0000000200)={0xffffffffffffffff, 0xffffffffffffffff}) recvmmsg(r1, &(0x7f00000000c0), 0x10106, 0x2, 0x0) r3 = openat$loop_ctrl(0xffffff9c, &(0x7f0000000040), 0x0, 0x0) sendmmsg(r2, 0x0, 0x0, 0x0) r4 = getpid() sched_setaffinity(r4, 0x8, &(0x7f0000000000)=0x96f) ioctl$LOOP_CTL_ADD(r3, 0x4c80, 0x0) ioctl$LOOP_CTL_REMOVE(r3, 0x4c81, 0x0) 18:00:29 executing program 2: syz_open_dev$sndmidi(0x0, 0x2, 0x141101) r0 = dup(0xffffffffffffffff) write$6lowpan_enable(r0, &(0x7f0000000000)='0', 0xfffffd2c) syz_open_procfs(0x0, &(0x7f0000000080)='net/dev\x00') r1 = socket$inet6_sctp(0xa, 0x0, 0x84) sendmsg$nl_route(0xffffffffffffffff, &(0x7f0000000980)={&(0x7f0000000440)={0x10, 0x0, 0x0, 0x10000000}, 0xc, &(0x7f0000000740)={&(0x7f0000000d00)=ANY=[@ANYBLOB="86f2407d8a204caf80b640e69a13fefeff6f0000042ba98cfcfccd470037369314427ebd70000000000000000000000000000000cdfb", @ANYRES32=0x0, @ANYBLOB="0c943d0559ff0600ff0000000c00018005000600c0000000100001800c00a03a03462081c7fc75d9ff", @ANYRESDEC, @ANYRES64], 0x40}, 0x1, 0x0, 0x0, 0x4008000}, 0x44040) close_range(0xffffffffffffffff, 0xffffffffffffffff, 0x2) sendto$inet6(r1, &(0x7f0000847fff)='X', 0x34000, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) 18:00:29 executing program 4: prctl$PR_SCHED_CORE(0x3e, 0x1, 0x0, 0x2, 0x0) r0 = syz_open_dev$sndmidi(&(0x7f0000000040), 0x2, 0x141101) r1 = dup(r0) write$6lowpan_enable(r1, &(0x7f0000000000)='0', 0xfffffd2c) tkill(0x0, 0x0) syz_open_procfs(0x0, 0x0) r2 = socket$inet6_sctp(0xa, 0x5, 0x84) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r2, 0x84, 0x9, &(0x7f0000000580)={0x0, @in={{0x2, 0x0, @empty}}, 0x0, 0x0, 0x3fc, 0x0, 0x32}, 0x9c) bind$packet(0xffffffffffffffff, &(0x7f0000000140)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @multicast}, 0x14) close_range(0xffffffffffffffff, 0xffffffffffffffff, 0x0) sendto$inet6(r2, &(0x7f0000847fff)='X', 0x34000, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) 18:00:29 executing program 0: syz_open_dev$sndmidi(0x0, 0x2, 0x141101) r0 = dup(0xffffffffffffffff) write$6lowpan_enable(r0, &(0x7f0000000000)='0', 0xfffffd2c) syz_open_procfs(0x0, &(0x7f0000000080)='net/dev\x00') r1 = socket$inet6_sctp(0xa, 0x0, 0x84) sendmsg$nl_route(0xffffffffffffffff, &(0x7f0000000980)={&(0x7f0000000440)={0x10, 0x0, 0x0, 0x10000000}, 0xc, &(0x7f0000000740)={&(0x7f0000000d00)=ANY=[@ANYBLOB="86f2407d8a204caf80b640e69a13fefeff6f0000042ba98cfcfccd470037369314427ebd70000000000000000000000000000000cdfb", @ANYRES32=0x0, @ANYBLOB="0c943d0559ff0600ff0000000c00018005000600c0000000100001800c00a03a03462081c7fc75d9ff", @ANYRESDEC, @ANYRES64], 0x40}, 0x1, 0x0, 0x0, 0x4008000}, 0x44040) close_range(0xffffffffffffffff, 0xffffffffffffffff, 0x2) sendto$inet6(r1, &(0x7f0000847fff)='X', 0x34000, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) 18:00:29 executing program 2: syz_open_dev$sndmidi(0x0, 0x2, 0x141101) r0 = dup(0xffffffffffffffff) write$6lowpan_enable(r0, &(0x7f0000000000)='0', 0xfffffd2c) syz_open_procfs(0x0, &(0x7f0000000080)='net/dev\x00') r1 = socket$inet6_sctp(0xa, 0x0, 0x84) sendmsg$nl_route(0xffffffffffffffff, &(0x7f0000000980)={&(0x7f0000000440)={0x10, 0x0, 0x0, 0x10000000}, 0xc, &(0x7f0000000740)={&(0x7f0000000d00)=ANY=[@ANYBLOB="86f2407d8a204caf80b640e69a13fefeff6f0000042ba98cfcfccd470037369314427ebd70000000000000000000000000000000cdfb", @ANYRES32=0x0, @ANYBLOB="0c943d0559ff0600ff0000000c00018005000600c0000000100001800c00a03a03462081c7fc75d9ff", @ANYRESDEC, @ANYRES64], 0x40}, 0x1, 0x0, 0x0, 0x4008000}, 0x44040) close_range(0xffffffffffffffff, 0xffffffffffffffff, 0x2) sendto$inet6(r1, &(0x7f0000847fff)='X', 0x34000, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) 18:00:29 executing program 1: prctl$PR_SCHED_CORE(0x3e, 0x1, 0x0, 0x2, 0x0) r0 = syz_open_dev$sndmidi(&(0x7f0000000040), 0x2, 0x141101) r1 = dup(r0) write$6lowpan_enable(r1, &(0x7f0000000000)='0', 0xfffffd2c) tkill(0x0, 0x0) syz_open_procfs(0x0, 0x0) r2 = socket$inet6_sctp(0xa, 0x5, 0x84) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r2, 0x84, 0x9, &(0x7f0000000580)={0x0, @in={{0x2, 0x0, @empty}}, 0x0, 0x0, 0x3fc, 0x0, 0x32}, 0x9c) bind$packet(0xffffffffffffffff, &(0x7f0000000140)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @multicast}, 0x14) close_range(0xffffffffffffffff, 0xffffffffffffffff, 0x2) sendto$inet6(r2, &(0x7f0000847fff)='X', 0x34000, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) 18:00:29 executing program 3: prlimit64(0x0, 0xe, &(0x7f0000000140)={0x8, 0x8b}, 0x0) sched_setscheduler(0x0, 0x2, &(0x7f0000000080)=0x8) r0 = getpid() sched_setscheduler(r0, 0x1, 0x0) socketpair$unix(0x1, 0x2, 0x0, &(0x7f0000000200)={0xffffffffffffffff, 0xffffffffffffffff}) recvmmsg(r1, &(0x7f00000000c0), 0x10106, 0x2, 0x0) r3 = openat$loop_ctrl(0xffffff9c, &(0x7f0000000040), 0x0, 0x0) sendmmsg(r2, 0x0, 0x0, 0x0) r4 = getpid() sched_setaffinity(r4, 0x8, &(0x7f0000000000)=0x96f) ioctl$LOOP_CTL_ADD(r3, 0x4c80, 0x0) ioctl$LOOP_CTL_REMOVE(r3, 0x4c81, 0x0) 18:00:29 executing program 0: prctl$PR_SCHED_CORE(0x3e, 0x1, 0x0, 0x2, 0x0) r0 = syz_open_dev$sndmidi(&(0x7f0000000040), 0x2, 0x141101) r1 = dup(r0) write$6lowpan_enable(r1, &(0x7f0000000000)='0', 0xfffffd2c) r2 = getpid() tkill(0x0, 0x0) syz_open_procfs(r2, 0x0) r3 = socket$inet6_sctp(0xa, 0x5, 0x84) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(0xffffffffffffffff, 0x84, 0x9, &(0x7f0000000580)={0x0, @in={{0x2, 0x0, @empty}}, 0x0, 0x0, 0x3fc, 0x0, 0x32}, 0x9c) sendmsg$nl_route(0xffffffffffffffff, &(0x7f0000000980)={&(0x7f0000000440)={0x10, 0x0, 0x0, 0x10000000}, 0xc, &(0x7f0000000740)={&(0x7f0000000d00)=ANY=[@ANYBLOB="86f2407d8a204caf80b640e69a13fefeff6f0000042ba98cfcfccd470037369314427ebd70000000000000000000000000000000cdfb0fa21b95f8072c528f2858315775d7552e", @ANYRES32=0x0, @ANYBLOB="0c943d0559ff0600ff0000000c00018005000600c0000000100001800c00a03a03462081c7fc75d9ffffbf", @ANYRESDEC, @ANYRES64], 0x40}, 0x1, 0x0, 0x0, 0x4008000}, 0x44040) bind$packet(0xffffffffffffffff, &(0x7f0000000140)={0x11, 0xf0, 0x0, 0x1, 0x0, 0x6, @multicast}, 0x14) close_range(0xffffffffffffffff, 0xffffffffffffffff, 0x2) sendto$inet6(r3, &(0x7f0000847fff)='X', 0x34000, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) 18:00:30 executing program 5: prctl$PR_SCHED_CORE(0x3e, 0x1, 0x0, 0x2, 0x0) r0 = syz_open_dev$sndmidi(&(0x7f0000000040), 0x2, 0x141101) r1 = dup(r0) write$6lowpan_enable(r1, &(0x7f0000000000)='0', 0xfffffd2c) tkill(0x0, 0x0) syz_open_procfs(0x0, 0x0) r2 = socket$inet6_sctp(0xa, 0x5, 0x84) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r2, 0x84, 0x9, &(0x7f0000000580)={0x0, @in={{0x2, 0x0, @empty}}, 0x0, 0x0, 0x3fc, 0x0, 0x32}, 0x9c) bind$packet(0xffffffffffffffff, &(0x7f0000000140)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @multicast}, 0x14) close_range(0xffffffffffffffff, 0xffffffffffffffff, 0x2) sendto$inet6(r2, &(0x7f0000847fff)='X', 0x34000, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) 18:00:30 executing program 2: syz_open_dev$sndmidi(0x0, 0x2, 0x141101) r0 = dup(0xffffffffffffffff) write$6lowpan_enable(r0, &(0x7f0000000000)='0', 0xfffffd2c) syz_open_procfs(0x0, &(0x7f0000000080)='net/dev\x00') r1 = socket$inet6_sctp(0xa, 0x0, 0x84) sendmsg$nl_route(0xffffffffffffffff, &(0x7f0000000980)={&(0x7f0000000440)={0x10, 0x0, 0x0, 0x10000000}, 0xc, &(0x7f0000000740)={&(0x7f0000000d00)=ANY=[@ANYBLOB="86f2407d8a204caf80b640e69a13fefeff6f0000042ba98cfcfccd470037369314427ebd70000000000000000000000000000000cdfb", @ANYRES32=0x0, @ANYBLOB="0c943d0559ff0600ff0000000c00018005000600c0000000100001800c00a03a03462081c7fc75d9ff", @ANYRESDEC, @ANYRES64], 0x40}, 0x1, 0x0, 0x0, 0x4008000}, 0x44040) close_range(0xffffffffffffffff, 0xffffffffffffffff, 0x2) sendto$inet6(r1, &(0x7f0000847fff)='X', 0x34000, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) 18:00:30 executing program 4: prctl$PR_SCHED_CORE(0x3e, 0x1, 0x0, 0x2, 0x0) r0 = syz_open_dev$sndmidi(&(0x7f0000000040), 0x2, 0x141101) r1 = dup(r0) write$6lowpan_enable(r1, &(0x7f0000000000)='0', 0xfffffd2c) tkill(0x0, 0x0) syz_open_procfs(0x0, 0x0) r2 = socket$inet6_sctp(0xa, 0x5, 0x84) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r2, 0x84, 0x9, &(0x7f0000000580)={0x0, @in={{0x2, 0x0, @empty}}, 0x0, 0x0, 0x3fc, 0x0, 0x32}, 0x9c) bind$packet(0xffffffffffffffff, &(0x7f0000000140)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @multicast}, 0x14) close_range(0xffffffffffffffff, 0xffffffffffffffff, 0x0) sendto$inet6(r2, &(0x7f0000847fff)='X', 0x34000, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) 18:00:30 executing program 2: syz_open_dev$sndmidi(0x0, 0x2, 0x141101) r0 = dup(0xffffffffffffffff) write$6lowpan_enable(r0, &(0x7f0000000000)='0', 0xfffffd2c) syz_open_procfs(0x0, &(0x7f0000000080)='net/dev\x00') r1 = socket$inet6_sctp(0xa, 0x5, 0x84) sendmsg$nl_route(0xffffffffffffffff, 0x0, 0x44040) close_range(0xffffffffffffffff, 0xffffffffffffffff, 0x2) sendto$inet6(r1, &(0x7f0000847fff)='X', 0x34000, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) 18:00:30 executing program 2: syz_open_dev$sndmidi(0x0, 0x2, 0x141101) r0 = dup(0xffffffffffffffff) write$6lowpan_enable(r0, &(0x7f0000000000)='0', 0xfffffd2c) syz_open_procfs(0x0, &(0x7f0000000080)='net/dev\x00') r1 = socket$inet6_sctp(0xa, 0x5, 0x84) sendmsg$nl_route(0xffffffffffffffff, 0x0, 0x0) close_range(0xffffffffffffffff, 0xffffffffffffffff, 0x2) sendto$inet6(r1, &(0x7f0000847fff)='X', 0x34000, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) 18:00:30 executing program 2: syz_open_dev$sndmidi(0x0, 0x2, 0x141101) r0 = dup(0xffffffffffffffff) write$6lowpan_enable(r0, &(0x7f0000000000)='0', 0xfffffd2c) syz_open_procfs(0x0, &(0x7f0000000080)='net/dev\x00') r1 = socket$inet6_sctp(0xa, 0x5, 0x84) sendmsg$nl_route(0xffffffffffffffff, 0x0, 0x0) close_range(0xffffffffffffffff, 0xffffffffffffffff, 0x2) sendto$inet6(r1, &(0x7f0000847fff)='X', 0x34000, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) 18:00:30 executing program 3: prlimit64(0x0, 0xe, &(0x7f0000000140)={0x8, 0x8b}, 0x0) sched_setscheduler(0x0, 0x2, &(0x7f0000000080)=0x8) r0 = getpid() sched_setscheduler(r0, 0x1, 0x0) socketpair$unix(0x1, 0x2, 0x0, &(0x7f0000000200)={0xffffffffffffffff, 0xffffffffffffffff}) recvmmsg(r1, &(0x7f00000000c0), 0x10106, 0x2, 0x0) r3 = openat$loop_ctrl(0xffffff9c, &(0x7f0000000040), 0x0, 0x0) sendmmsg(r2, 0x0, 0x0, 0x0) r4 = getpid() sched_setaffinity(r4, 0x8, &(0x7f0000000000)=0x96f) ioctl$LOOP_CTL_ADD(r3, 0x4c80, 0x0) ioctl$LOOP_CTL_REMOVE(r3, 0x4c81, 0x0) 18:00:31 executing program 2: syz_open_dev$sndmidi(0x0, 0x2, 0x141101) r0 = dup(0xffffffffffffffff) write$6lowpan_enable(r0, &(0x7f0000000000)='0', 0xfffffd2c) syz_open_procfs(0x0, &(0x7f0000000080)='net/dev\x00') r1 = socket$inet6_sctp(0xa, 0x5, 0x84) sendmsg$nl_route(0xffffffffffffffff, 0x0, 0x0) close_range(0xffffffffffffffff, 0xffffffffffffffff, 0x0) sendto$inet6(r1, &(0x7f0000847fff)='X', 0x34000, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) 18:00:31 executing program 0: syz_open_dev$sndmidi(0x0, 0x2, 0x141101) r0 = dup(0xffffffffffffffff) write$6lowpan_enable(r0, &(0x7f0000000000)='0', 0xfffffd2c) syz_open_procfs(0x0, &(0x7f0000000080)='net/dev\x00') r1 = socket$inet6_sctp(0xa, 0x5, 0x84) sendmsg$nl_route(0xffffffffffffffff, 0x0, 0x0) close_range(0xffffffffffffffff, 0xffffffffffffffff, 0x2) sendto$inet6(r1, &(0x7f0000847fff)='X', 0x34000, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) 18:00:31 executing program 1: syz_open_dev$sndmidi(0x0, 0x2, 0x141101) r0 = dup(0xffffffffffffffff) write$6lowpan_enable(r0, &(0x7f0000000000)='0', 0xfffffd2c) syz_open_procfs(0x0, &(0x7f0000000080)='net/dev\x00') r1 = socket$inet6_sctp(0xa, 0x5, 0x84) sendmsg$nl_route(0xffffffffffffffff, 0x0, 0x0) close_range(0xffffffffffffffff, 0xffffffffffffffff, 0x2) sendto$inet6(r1, &(0x7f0000847fff)='X', 0x34000, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) 18:00:31 executing program 2: syz_open_dev$sndmidi(0x0, 0x2, 0x141101) r0 = dup(0xffffffffffffffff) write$6lowpan_enable(r0, &(0x7f0000000000)='0', 0xfffffd2c) syz_open_procfs(0x0, &(0x7f0000000080)='net/dev\x00') socket$inet6_sctp(0xa, 0x5, 0x84) sendmsg$nl_route(0xffffffffffffffff, 0x0, 0x0) close_range(0xffffffffffffffff, 0xffffffffffffffff, 0x0) sendto$inet6(0xffffffffffffffff, &(0x7f0000847fff)='X', 0x34000, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) 18:00:31 executing program 5: prctl$PR_SCHED_CORE(0x3e, 0x1, 0x0, 0x2, 0x0) r0 = syz_open_dev$sndmidi(&(0x7f0000000040), 0x2, 0x141101) r1 = dup(r0) write$6lowpan_enable(r1, &(0x7f0000000000)='0', 0xfffffd2c) tkill(0x0, 0x0) syz_open_procfs(0x0, 0x0) r2 = socket$inet6_sctp(0xa, 0x5, 0x84) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r2, 0x84, 0x9, &(0x7f0000000580)={0x0, @in={{0x2, 0x0, @empty}}, 0x0, 0x0, 0x3fc, 0x0, 0x32}, 0x9c) bind$packet(0xffffffffffffffff, &(0x7f0000000140)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @multicast}, 0x14) close_range(0xffffffffffffffff, 0xffffffffffffffff, 0x0) sendto$inet6(r2, &(0x7f0000847fff)='X', 0x34000, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) 18:00:31 executing program 1: prctl$PR_SCHED_CORE(0x3e, 0x1, 0x0, 0x2, 0x0) syz_open_dev$sndmidi(0x0, 0x0, 0x141101) r0 = dup(0xffffffffffffffff) write$6lowpan_enable(r0, &(0x7f0000000000)='0', 0xfffffd2c) r1 = socket$inet6_sctp(0xa, 0x5, 0x84) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r1, 0x84, 0x9, &(0x7f0000000580)={0x0, @in={{0x2, 0x0, @empty}}, 0x0, 0x0, 0x3fc, 0x0, 0x32}, 0x9c) sendmsg$nl_route(0xffffffffffffffff, &(0x7f0000000980)={&(0x7f0000000440)={0x10, 0x0, 0x0, 0x10000000}, 0xc, &(0x7f0000000740)={&(0x7f0000000d00)=ANY=[@ANYBLOB="86f2407d8a204caf80b640e69a13fefeff6f0000042ba98cfcfccd470037369314427ebd70000000000000000000000000000000cdfb0fa21b95f8072c528f2858315775d7552e", @ANYRES32=0x0, @ANYBLOB="0c943d0559ff0600ff0000000c00018005000600c0000000100001800c00a03a03462081c7fc75d9ffffbf", @ANYRESDEC, @ANYRES64], 0x40}, 0x1, 0x0, 0x0, 0x4008000}, 0x44040) sendto$inet6(r1, &(0x7f0000847fff)='X', 0x34000, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) 18:00:31 executing program 4: prctl$PR_SCHED_CORE(0x3e, 0x1, 0x0, 0x2, 0x0) r0 = syz_open_dev$sndmidi(&(0x7f0000000040), 0x2, 0x141101) r1 = dup(r0) write$6lowpan_enable(r1, &(0x7f0000000000)='0', 0xfffffd2c) tkill(0x0, 0x0) syz_open_procfs(0x0, 0x0) r2 = socket$inet6_sctp(0xa, 0x5, 0x84) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r2, 0x84, 0x9, &(0x7f0000000580)={0x0, @in={{0x2, 0x0, @empty}}, 0x0, 0x0, 0x3fc, 0x0, 0x32}, 0x9c) bind$packet(0xffffffffffffffff, &(0x7f0000000140)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @multicast}, 0x14) close_range(0xffffffffffffffff, 0xffffffffffffffff, 0x0) sendto$inet6(0xffffffffffffffff, &(0x7f0000847fff)='X', 0x34000, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) 18:00:31 executing program 2: syz_open_dev$sndmidi(0x0, 0x2, 0x141101) r0 = dup(0xffffffffffffffff) write$6lowpan_enable(r0, &(0x7f0000000000)='0', 0xfffffd2c) syz_open_procfs(0x0, &(0x7f0000000080)='net/dev\x00') socket$inet6_sctp(0xa, 0x5, 0x84) sendmsg$nl_route(0xffffffffffffffff, 0x0, 0x0) close_range(0xffffffffffffffff, 0xffffffffffffffff, 0x0) sendto$inet6(0xffffffffffffffff, &(0x7f0000847fff)='X', 0x34000, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) 18:00:31 executing program 0: prctl$PR_SCHED_CORE(0x3e, 0x1, 0x0, 0x2, 0x0) r0 = syz_open_dev$sndmidi(&(0x7f0000000040), 0x2, 0x141101) r1 = dup(r0) write$6lowpan_enable(r1, &(0x7f0000000000)='0', 0xfffffd2c) tkill(0x0, 0x0) syz_open_procfs(0x0, 0x0) r2 = socket$inet6_sctp(0xa, 0x5, 0x84) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r2, 0x84, 0x9, &(0x7f0000000580)={0x0, @in={{0x2, 0x0, @empty}}, 0x0, 0x0, 0x3fc, 0x0, 0x32}, 0x9c) bind$packet(0xffffffffffffffff, &(0x7f0000000140)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @multicast}, 0x14) close_range(0xffffffffffffffff, 0xffffffffffffffff, 0x0) sendto$inet6(r2, &(0x7f0000847fff)='X', 0x34000, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) 18:00:31 executing program 2: syz_open_dev$sndmidi(0x0, 0x2, 0x141101) r0 = dup(0xffffffffffffffff) write$6lowpan_enable(r0, &(0x7f0000000000)='0', 0xfffffd2c) syz_open_procfs(0x0, &(0x7f0000000080)='net/dev\x00') socket$inet6_sctp(0xa, 0x5, 0x84) sendmsg$nl_route(0xffffffffffffffff, 0x0, 0x0) close_range(0xffffffffffffffff, 0xffffffffffffffff, 0x0) sendto$inet6(0xffffffffffffffff, &(0x7f0000847fff)='X', 0x34000, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) 18:00:31 executing program 1: prctl$PR_SCHED_CORE(0x3e, 0x1, 0x0, 0x2, 0x0) r0 = syz_open_dev$sndmidi(&(0x7f0000000040), 0x2, 0x141101) r1 = dup(r0) write$6lowpan_enable(r1, &(0x7f0000000000)='0', 0xfffffd2c) tkill(0x0, 0x0) syz_open_procfs(0x0, 0x0) r2 = socket$inet6_sctp(0xa, 0x5, 0x84) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r2, 0x84, 0x9, &(0x7f0000000580)={0x0, @in={{0x2, 0x0, @empty}}, 0x0, 0x0, 0x3fc, 0x0, 0x32}, 0x9c) bind$packet(0xffffffffffffffff, &(0x7f0000000140)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @multicast}, 0x14) close_range(0xffffffffffffffff, 0xffffffffffffffff, 0x0) sendto$inet6(r2, &(0x7f0000847fff)='X', 0x34000, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) 18:00:31 executing program 3: prlimit64(0x0, 0xe, &(0x7f0000000140)={0x8, 0x8b}, 0x0) sched_setscheduler(0x0, 0x2, &(0x7f0000000080)=0x8) r0 = getpid() sched_setscheduler(r0, 0x1, &(0x7f0000001700)) socketpair$unix(0x1, 0x2, 0x0, &(0x7f0000000200)={0xffffffffffffffff, 0xffffffffffffffff}) recvmmsg(r1, &(0x7f00000000c0), 0x10106, 0x2, 0x0) r3 = openat$loop_ctrl(0xffffff9c, &(0x7f0000000040), 0x0, 0x0) sendmmsg(r2, 0x0, 0x0, 0x0) r4 = getpid() sched_setaffinity(r4, 0x8, &(0x7f0000000000)=0x96f) ioctl$LOOP_CTL_ADD(r3, 0x4c80, 0x0) ioctl$LOOP_CTL_REMOVE(r3, 0x4c81, 0x0) 18:00:31 executing program 2: syz_open_dev$sndmidi(0x0, 0x2, 0x141101) r0 = dup(0xffffffffffffffff) write$6lowpan_enable(r0, &(0x7f0000000000)='0', 0xfffffd2c) syz_open_procfs(0x0, &(0x7f0000000080)='net/dev\x00') r1 = socket$inet6_sctp(0xa, 0x5, 0x84) sendmsg$nl_route(0xffffffffffffffff, 0x0, 0x0) close_range(0xffffffffffffffff, 0xffffffffffffffff, 0x0) sendto$inet6(r1, 0x0, 0x0, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) 18:00:31 executing program 2: syz_open_dev$sndmidi(0x0, 0x2, 0x141101) r0 = dup(0xffffffffffffffff) write$6lowpan_enable(r0, &(0x7f0000000000)='0', 0xfffffd2c) syz_open_procfs(0x0, &(0x7f0000000080)='net/dev\x00') r1 = socket$inet6_sctp(0xa, 0x5, 0x84) sendmsg$nl_route(0xffffffffffffffff, 0x0, 0x0) close_range(0xffffffffffffffff, 0xffffffffffffffff, 0x0) sendto$inet6(r1, 0x0, 0x0, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) 18:00:31 executing program 2: syz_open_dev$sndmidi(0x0, 0x2, 0x141101) r0 = dup(0xffffffffffffffff) write$6lowpan_enable(r0, &(0x7f0000000000)='0', 0xfffffd2c) syz_open_procfs(0x0, &(0x7f0000000080)='net/dev\x00') r1 = socket$inet6_sctp(0xa, 0x5, 0x84) sendmsg$nl_route(0xffffffffffffffff, 0x0, 0x0) close_range(0xffffffffffffffff, 0xffffffffffffffff, 0x0) sendto$inet6(r1, 0x0, 0x0, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) 18:00:31 executing program 2: syz_open_dev$sndmidi(0x0, 0x2, 0x141101) r0 = dup(0xffffffffffffffff) write$6lowpan_enable(r0, &(0x7f0000000000)='0', 0xfffffd2c) syz_open_procfs(0x0, &(0x7f0000000080)='net/dev\x00') r1 = socket$inet6_sctp(0xa, 0x5, 0x84) sendmsg$nl_route(0xffffffffffffffff, 0x0, 0x0) close_range(0xffffffffffffffff, 0xffffffffffffffff, 0x0) sendto$inet6(r1, &(0x7f0000847fff), 0x0, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) 18:00:32 executing program 2: syz_open_dev$sndmidi(0x0, 0x2, 0x141101) r0 = dup(0xffffffffffffffff) write$6lowpan_enable(r0, &(0x7f0000000000)='0', 0xfffffd2c) syz_open_procfs(0x0, &(0x7f0000000080)='net/dev\x00') r1 = socket$inet6_sctp(0xa, 0x5, 0x84) sendmsg$nl_route(0xffffffffffffffff, 0x0, 0x0) close_range(0xffffffffffffffff, 0xffffffffffffffff, 0x0) sendto$inet6(r1, &(0x7f0000847fff), 0x0, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) 18:00:32 executing program 4: prctl$PR_SCHED_CORE(0x3e, 0x1, 0x0, 0x2, 0x0) r0 = syz_open_dev$sndmidi(&(0x7f0000000040), 0x2, 0x141101) r1 = dup(r0) write$6lowpan_enable(r1, &(0x7f0000000000)='0', 0xfffffd2c) tkill(0x0, 0x0) syz_open_procfs(0x0, 0x0) r2 = socket$inet6_sctp(0xa, 0x5, 0x84) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r2, 0x84, 0x9, &(0x7f0000000580)={0x0, @in={{0x2, 0x0, @empty}}, 0x0, 0x0, 0x3fc, 0x0, 0x32}, 0x9c) bind$packet(0xffffffffffffffff, &(0x7f0000000140)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @multicast}, 0x14) close_range(0xffffffffffffffff, 0xffffffffffffffff, 0x0) sendto$inet6(0xffffffffffffffff, &(0x7f0000847fff)='X', 0x34000, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) 18:00:32 executing program 5: prctl$PR_SCHED_CORE(0x3e, 0x1, 0x0, 0x2, 0x0) r0 = syz_open_dev$sndmidi(&(0x7f0000000040), 0x2, 0x141101) r1 = dup(r0) write$6lowpan_enable(r1, &(0x7f0000000000)='0', 0xfffffd2c) tkill(0x0, 0x0) syz_open_procfs(0x0, 0x0) r2 = socket$inet6_sctp(0xa, 0x5, 0x84) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r2, 0x84, 0x9, &(0x7f0000000580)={0x0, @in={{0x2, 0x0, @empty}}, 0x0, 0x0, 0x3fc, 0x0, 0x32}, 0x9c) bind$packet(0xffffffffffffffff, &(0x7f0000000140)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @multicast}, 0x14) close_range(0xffffffffffffffff, 0xffffffffffffffff, 0x0) sendto$inet6(r2, &(0x7f0000847fff)='X', 0x34000, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) 18:00:32 executing program 2: syz_open_dev$sndmidi(0x0, 0x2, 0x141101) r0 = dup(0xffffffffffffffff) write$6lowpan_enable(r0, &(0x7f0000000000)='0', 0xfffffd2c) syz_open_procfs(0x0, &(0x7f0000000080)='net/dev\x00') r1 = socket$inet6_sctp(0xa, 0x5, 0x84) sendmsg$nl_route(0xffffffffffffffff, 0x0, 0x0) close_range(0xffffffffffffffff, 0xffffffffffffffff, 0x0) sendto$inet6(r1, &(0x7f0000847fff), 0x0, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) 18:00:32 executing program 0: prlimit64(0x0, 0xe, &(0x7f0000000140)={0x8, 0x8b}, 0x0) sched_setscheduler(0x0, 0x2, &(0x7f0000000080)=0x8) r0 = getpid() sched_setscheduler(r0, 0x1, 0x0) socketpair$unix(0x1, 0x2, 0x0, &(0x7f0000000200)={0xffffffffffffffff, 0xffffffffffffffff}) recvmmsg(r1, &(0x7f00000000c0), 0x10106, 0x2, 0x0) r3 = openat$loop_ctrl(0xffffff9c, &(0x7f0000000040), 0x0, 0x0) sendmmsg(r2, 0x0, 0x0, 0x0) r4 = getpid() sched_setaffinity(r4, 0x8, &(0x7f0000000000)=0x96f) ioctl$LOOP_CTL_ADD(r3, 0x4c80, 0x0) ioctl$LOOP_CTL_REMOVE(r3, 0x4c81, 0x0) 18:00:32 executing program 2: syz_open_dev$sndmidi(0x0, 0x2, 0x141101) r0 = dup(0xffffffffffffffff) write$6lowpan_enable(r0, &(0x7f0000000000)='0', 0xfffffd2c) syz_open_procfs(0x0, &(0x7f0000000080)='net/dev\x00') r1 = socket$inet6_sctp(0xa, 0x5, 0x84) sendmsg$nl_route(0xffffffffffffffff, 0x0, 0x0) close_range(0xffffffffffffffff, 0xffffffffffffffff, 0x0) sendto$inet6(r1, &(0x7f0000847fff)='X', 0x1, 0x0, 0x0, 0x0) 18:00:32 executing program 3: prlimit64(0x0, 0xe, &(0x7f0000000140)={0x8, 0x8b}, 0x0) sched_setscheduler(0x0, 0x2, &(0x7f0000000080)=0x8) r0 = getpid() sched_setscheduler(r0, 0x1, &(0x7f0000001700)) socketpair$unix(0x1, 0x2, 0x0, &(0x7f0000000200)={0xffffffffffffffff, 0xffffffffffffffff}) recvmmsg(r1, &(0x7f00000000c0), 0x10106, 0x2, 0x0) r3 = openat$loop_ctrl(0xffffff9c, &(0x7f0000000040), 0x0, 0x0) sendmmsg(r2, 0x0, 0x0, 0x0) r4 = getpid() sched_setaffinity(r4, 0x8, &(0x7f0000000000)=0x96f) ioctl$LOOP_CTL_ADD(r3, 0x4c80, 0x0) ioctl$LOOP_CTL_REMOVE(r3, 0x4c81, 0x0) 18:00:32 executing program 1: prctl$PR_SCHED_CORE(0x3e, 0x1, 0x0, 0x2, 0x0) syz_open_dev$sndmidi(0x0, 0x0, 0x141101) r0 = dup(0xffffffffffffffff) write$6lowpan_enable(r0, &(0x7f0000000000)='0', 0xfffffd2c) r1 = socket$inet6_sctp(0xa, 0x5, 0x84) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r1, 0x84, 0x9, &(0x7f0000000580)={0x0, @in={{0x2, 0x0, @empty}}, 0x0, 0x0, 0x3fc, 0x0, 0x32}, 0x9c) sendmsg$nl_route(0xffffffffffffffff, &(0x7f0000000980)={&(0x7f0000000440)={0x10, 0x0, 0x0, 0x10000000}, 0xc, &(0x7f0000000740)={&(0x7f0000000d00)=ANY=[@ANYBLOB="86f2407d8a204caf80b640e69a13fefeff6f0000042ba98cfcfccd470037369314427ebd70000000000000000000000000000000cdfb0fa21b95f8072c528f2858315775d7552e", @ANYRES32=0x0, @ANYBLOB="0c943d0559ff0600ff0000000c00018005000600c0000000100001800c00a03a03462081c7fc75d9ffffbf", @ANYRESDEC, @ANYRES64], 0x40}, 0x1, 0x0, 0x0, 0x4008000}, 0x44040) sendto$inet6(r1, &(0x7f0000847fff)='X', 0x34000, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) 18:00:32 executing program 2: syz_open_dev$sndmidi(0x0, 0x2, 0x141101) r0 = dup(0xffffffffffffffff) write$6lowpan_enable(r0, &(0x7f0000000000)='0', 0xfffffd2c) syz_open_procfs(0x0, &(0x7f0000000080)='net/dev\x00') r1 = socket$inet6_sctp(0xa, 0x5, 0x84) sendmsg$nl_route(0xffffffffffffffff, 0x0, 0x0) close_range(0xffffffffffffffff, 0xffffffffffffffff, 0x0) sendto$inet6(r1, &(0x7f0000847fff)='X', 0x1, 0x0, 0x0, 0x0) 18:00:32 executing program 2: syz_open_dev$sndmidi(0x0, 0x2, 0x141101) r0 = dup(0xffffffffffffffff) write$6lowpan_enable(r0, &(0x7f0000000000)='0', 0xfffffd2c) syz_open_procfs(0x0, &(0x7f0000000080)='net/dev\x00') r1 = socket$inet6_sctp(0xa, 0x5, 0x84) sendmsg$nl_route(0xffffffffffffffff, 0x0, 0x0) close_range(0xffffffffffffffff, 0xffffffffffffffff, 0x0) sendto$inet6(r1, &(0x7f0000847fff)='X', 0x1, 0x0, 0x0, 0x0) 18:00:33 executing program 2: syz_open_dev$sndmidi(0x0, 0x2, 0x141101) r0 = dup(0xffffffffffffffff) write$6lowpan_enable(r0, &(0x7f0000000000)='0', 0xfffffd2c) syz_open_procfs(0x0, &(0x7f0000000080)='net/dev\x00') r1 = socket$inet6_sctp(0xa, 0x5, 0x84) sendmsg$nl_route(0xffffffffffffffff, 0x0, 0x0) close_range(0xffffffffffffffff, 0xffffffffffffffff, 0x0) sendto$inet6(r1, &(0x7f0000847fff)='X', 0x34000, 0x0, &(0x7f000005ffe4)={0xa, 0x0, 0x0, @loopback}, 0x1c) 18:00:33 executing program 1: prctl$PR_SCHED_CORE(0x3e, 0x1, 0x0, 0x2, 0x0) r0 = syz_open_dev$sndmidi(0x0, 0x2, 0x141101) r1 = dup(r0) write$6lowpan_enable(r1, &(0x7f0000000000)='0', 0xfffffd2c) syz_open_procfs(0x0, &(0x7f0000000080)='net/dev\x00') r2 = socket$inet6_sctp(0xa, 0x5, 0x84) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r2, 0x84, 0x9, &(0x7f0000000580)={0x0, @in={{0x2, 0x0, @empty}}, 0x0, 0x0, 0x3fc, 0x0, 0x32}, 0x9c) bind$inet6(0xffffffffffffffff, &(0x7f00004b8fe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) sendmsg$nl_route(0xffffffffffffffff, &(0x7f0000000980)={&(0x7f0000000440)={0x10, 0x0, 0x0, 0x10000000}, 0xc, &(0x7f0000000740)={&(0x7f0000000d00)=ANY=[@ANYBLOB="86f2407d8a204caf80b640e69a13fefeff6f0000042ba98cfcfccd470037369314427ebd70000000000000000000000000000000cdfb0fa21b95f8072c528f2858315775d7552e", @ANYRES32=0x0, @ANYBLOB="0c943d0559ff0600ff0000000c00018005000600c0000000100001800c00a03a03462081c7fc75d9ff", @ANYRESDEC, @ANYRES64], 0x40}, 0x1, 0x0, 0x0, 0x4008000}, 0x44040) bind$packet(0xffffffffffffffff, &(0x7f0000000140)={0x11, 0xf0, 0x0, 0x1, 0x0, 0x6, @multicast}, 0x14) close_range(0xffffffffffffffff, 0xffffffffffffffff, 0x2) sendto$inet6(r2, &(0x7f0000847fff)='X', 0x34000, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) 18:00:33 executing program 4: prctl$PR_SCHED_CORE(0x3e, 0x1, 0x0, 0x2, 0x0) r0 = syz_open_dev$sndmidi(&(0x7f0000000040), 0x2, 0x141101) r1 = dup(r0) write$6lowpan_enable(r1, &(0x7f0000000000)='0', 0xfffffd2c) tkill(0x0, 0x0) syz_open_procfs(0x0, 0x0) r2 = socket$inet6_sctp(0xa, 0x5, 0x84) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r2, 0x84, 0x9, &(0x7f0000000580)={0x0, @in={{0x2, 0x0, @empty}}, 0x0, 0x0, 0x3fc, 0x0, 0x32}, 0x9c) bind$packet(0xffffffffffffffff, &(0x7f0000000140)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @multicast}, 0x14) close_range(0xffffffffffffffff, 0xffffffffffffffff, 0x0) sendto$inet6(0xffffffffffffffff, &(0x7f0000847fff)='X', 0x34000, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) 18:00:33 executing program 2: prctl$PR_SCHED_CORE(0x3e, 0x1, 0x0, 0x2, 0x0) r0 = syz_open_dev$sndmidi(0x0, 0x2, 0x141101) r1 = dup(r0) write$6lowpan_enable(r1, &(0x7f0000000000)='0', 0xfffffd2c) syz_open_procfs(0x0, &(0x7f0000000080)='net/dev\x00') r2 = socket$inet6_sctp(0xa, 0x5, 0x84) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r2, 0x84, 0x9, &(0x7f0000000580)={0x0, @in={{0x2, 0x0, @empty}}, 0x0, 0x0, 0x3fc, 0x0, 0x32}, 0x9c) bind$inet6(0xffffffffffffffff, &(0x7f00004b8fe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) sendmsg$nl_route(0xffffffffffffffff, &(0x7f0000000980)={&(0x7f0000000440)={0x10, 0x0, 0x0, 0x10000000}, 0xc, &(0x7f0000000740)={&(0x7f0000000d00)=ANY=[@ANYBLOB="86f2407d8a204caf80b640e69a13fefeff6f0000042ba98cfcfccd470037369314427ebd70000000000000000000000000000000cdfb0fa21b95f8072c528f2858315775d7552e", @ANYRES32=0x0, @ANYBLOB="0c943d0559ff0600ff0000000c00018005000600c0000000100001800c00a03a03462081c7fc75d9ff", @ANYRESDEC, @ANYRES64], 0x40}, 0x1, 0x0, 0x0, 0x4008000}, 0x44040) bind$packet(0xffffffffffffffff, &(0x7f0000000140)={0x11, 0xf0, 0x0, 0x1, 0x0, 0x6, @multicast}, 0x14) close_range(0xffffffffffffffff, 0xffffffffffffffff, 0x2) sendto$inet6(r2, &(0x7f0000847fff)='X', 0x34000, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) 18:00:33 executing program 1: prctl$PR_SCHED_CORE(0x3e, 0x1, 0x0, 0x2, 0x0) r0 = syz_open_dev$sndmidi(0x0, 0x2, 0x141101) r1 = dup(r0) write$6lowpan_enable(r1, &(0x7f0000000000)='0', 0xfffffd2c) syz_open_procfs(0x0, &(0x7f0000000080)='net/dev\x00') r2 = socket$inet6_sctp(0xa, 0x5, 0x84) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r2, 0x84, 0x9, &(0x7f0000000580)={0x0, @in={{0x2, 0x0, @empty}}, 0x0, 0x0, 0x3fc, 0x0, 0x32}, 0x9c) bind$inet6(0xffffffffffffffff, &(0x7f00004b8fe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) sendmsg$nl_route(0xffffffffffffffff, &(0x7f0000000980)={&(0x7f0000000440)={0x10, 0x0, 0x0, 0x10000000}, 0xc, &(0x7f0000000740)={&(0x7f0000000d00)=ANY=[@ANYBLOB="86f2407d8a204caf80b640e69a13fefeff6f0000042ba98cfcfccd470037369314427ebd70000000000000000000000000000000cdfb0fa21b95f8072c528f2858315775d7552e", @ANYRES32=0x0, @ANYBLOB="0c943d0559ff0600ff0000000c00018005000600c0000000100001800c00a03a03462081c7fc75d9ff", @ANYRESDEC, @ANYRES64], 0x40}, 0x1, 0x0, 0x0, 0x4008000}, 0x44040) bind$packet(0xffffffffffffffff, &(0x7f0000000140)={0x11, 0xf0, 0x0, 0x1, 0x0, 0x6, @multicast}, 0x14) close_range(0xffffffffffffffff, 0xffffffffffffffff, 0x2) sendto$inet6(r2, &(0x7f0000847fff)='X', 0x34000, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) 18:00:33 executing program 0: prlimit64(0x0, 0xe, &(0x7f0000000140)={0x8, 0x8b}, 0x0) sched_setscheduler(0x0, 0x2, &(0x7f0000000080)=0x8) r0 = getpid() sched_setscheduler(r0, 0x1, 0x0) socketpair$unix(0x1, 0x2, 0x0, &(0x7f0000000200)={0xffffffffffffffff, 0xffffffffffffffff}) recvmmsg(r1, &(0x7f00000000c0), 0x10106, 0x2, 0x0) r3 = openat$loop_ctrl(0xffffff9c, &(0x7f0000000040), 0x0, 0x0) sendmmsg(r2, 0x0, 0x0, 0x0) r4 = getpid() sched_setaffinity(r4, 0x8, &(0x7f0000000000)=0x96f) ioctl$LOOP_CTL_ADD(r3, 0x4c80, 0x0) ioctl$LOOP_CTL_REMOVE(r3, 0x4c81, 0x0) 18:00:33 executing program 2: prctl$PR_SCHED_CORE(0x3e, 0x1, 0x0, 0x2, 0x0) r0 = syz_open_dev$sndmidi(&(0x7f0000000040), 0x2, 0x141101) r1 = dup(r0) write$6lowpan_enable(r1, &(0x7f0000000000)='0', 0xfffffd2c) r2 = getpid() tkill(0x0, 0x0) syz_open_procfs(r2, 0x0) r3 = socket$inet6_sctp(0xa, 0x5, 0x84) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(0xffffffffffffffff, 0x84, 0x9, &(0x7f0000000580)={0x0, @in={{0x2, 0x0, @empty}}, 0x0, 0x0, 0x3fc, 0x0, 0x32}, 0x9c) sendmsg$nl_route(0xffffffffffffffff, &(0x7f0000000980)={&(0x7f0000000440)={0x10, 0x0, 0x0, 0x10000000}, 0xc, &(0x7f0000000740)={&(0x7f0000000d00)=ANY=[@ANYBLOB="86f2407d8a204caf80b640e69a13fefeff6f0000042ba98cfcfccd470037369314427ebd70000000000000000000000000000000cdfb0fa21b95f8072c528f2858315775d7552e", @ANYRES32=0x0, @ANYBLOB="0c943d0559ff0600ff0000000c00018005000600c0000000100001800c00a03a03462081c7fc75d9ffffbf", @ANYRESDEC, @ANYRES64], 0x40}, 0x1, 0x0, 0x0, 0x4008000}, 0x44040) bind$packet(0xffffffffffffffff, &(0x7f0000000140)={0x11, 0xf0, 0x0, 0x1, 0x0, 0x6, @multicast}, 0x14) close_range(0xffffffffffffffff, 0xffffffffffffffff, 0x2) sendto$inet6(r3, &(0x7f0000847fff)='X', 0x34000, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) 18:00:33 executing program 5: prctl$PR_SCHED_CORE(0x3e, 0x1, 0x0, 0x2, 0x0) r0 = syz_open_dev$sndmidi(0x0, 0x2, 0x141101) r1 = dup(r0) write$6lowpan_enable(r1, &(0x7f0000000000)='0', 0xfffffd2c) syz_open_procfs(0x0, &(0x7f0000000080)='net/dev\x00') r2 = socket$inet6_sctp(0xa, 0x5, 0x84) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r2, 0x84, 0x9, &(0x7f0000000580)={0x0, @in={{0x2, 0x0, @empty}}, 0x0, 0x0, 0x3fc, 0x0, 0x32}, 0x9c) bind$inet6(0xffffffffffffffff, &(0x7f00004b8fe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) sendmsg$nl_route(0xffffffffffffffff, &(0x7f0000000980)={&(0x7f0000000440)={0x10, 0x0, 0x0, 0x10000000}, 0xc, &(0x7f0000000740)={&(0x7f0000000d00)=ANY=[@ANYBLOB="86f2407d8a204caf80b640e69a13fefeff6f0000042ba98cfcfccd470037369314427ebd70000000000000000000000000000000cdfb0fa21b95f8072c528f2858315775d7552e", @ANYRES32=0x0, @ANYBLOB="0c943d0559ff0600ff0000000c00018005000600c0000000100001800c00a03a03462081c7fc", @ANYRESDEC, @ANYRES64], 0x40}, 0x1, 0x0, 0x0, 0x4008000}, 0x44040) bind$packet(0xffffffffffffffff, &(0x7f0000000140)={0x11, 0xf0, 0x0, 0x1, 0x0, 0x6, @multicast}, 0x14) close_range(0xffffffffffffffff, 0xffffffffffffffff, 0x2) sendto$inet6(r2, &(0x7f0000847fff)='X', 0x34000, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) 18:00:33 executing program 3: prlimit64(0x0, 0xe, &(0x7f0000000140)={0x8, 0x8b}, 0x0) sched_setscheduler(0x0, 0x2, &(0x7f0000000080)=0x8) r0 = getpid() sched_setscheduler(r0, 0x1, &(0x7f0000001700)) socketpair$unix(0x1, 0x2, 0x0, &(0x7f0000000200)={0xffffffffffffffff, 0xffffffffffffffff}) recvmmsg(r1, &(0x7f00000000c0), 0x10106, 0x2, 0x0) r3 = openat$loop_ctrl(0xffffff9c, &(0x7f0000000040), 0x0, 0x0) sendmmsg(r2, 0x0, 0x0, 0x0) r4 = getpid() sched_setaffinity(r4, 0x8, &(0x7f0000000000)=0x96f) ioctl$LOOP_CTL_ADD(r3, 0x4c80, 0x0) ioctl$LOOP_CTL_REMOVE(r3, 0x4c81, 0x0) 18:00:33 executing program 1: prctl$PR_SCHED_CORE(0x3e, 0x1, 0x0, 0x2, 0x0) r0 = syz_open_dev$sndmidi(0x0, 0x0, 0x0) r1 = dup(r0) write$6lowpan_enable(r1, &(0x7f0000000000)='0', 0xfffffd2c) r2 = socket$inet6_sctp(0xa, 0x5, 0x84) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r2, 0x84, 0x9, &(0x7f0000000580)={0x0, @in={{0x2, 0x0, @empty}}, 0x0, 0x0, 0x3fc, 0x0, 0x32}, 0x9c) sendmsg$nl_route(0xffffffffffffffff, &(0x7f0000000980)={&(0x7f0000000440)={0x10, 0x0, 0x0, 0x10000000}, 0xc, &(0x7f0000000740)={&(0x7f0000000d00)=ANY=[@ANYBLOB="86f2407d8a204caf80b640e69a13fefeff6f0000042ba98cfcfccd470037369314427ebd70000000000000000000000000000000cdfb0fa21b95f8072c528f2858315775d7552e", @ANYRES32=0x0, @ANYBLOB="0c943d0559ff0600ff0000000c00018005000600c0000000100001800c00a03a03462081c7fc75d9ffffbf", @ANYRESDEC, @ANYRES64], 0x40}, 0x1, 0x0, 0x0, 0x4008000}, 0x44040) sendto$inet6(r2, &(0x7f0000847fff)='X', 0x34000, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) 18:00:33 executing program 5: prctl$PR_SCHED_CORE(0x3e, 0x1, 0x0, 0x2, 0x0) r0 = syz_open_dev$sndmidi(0x0, 0x0, 0x0) r1 = dup(r0) write$6lowpan_enable(r1, &(0x7f0000000000)='0', 0xfffffd2c) r2 = socket$inet6_sctp(0xa, 0x5, 0x84) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r2, 0x84, 0x9, &(0x7f0000000580)={0x0, @in={{0x2, 0x0, @empty}}, 0x0, 0x0, 0x3fc, 0x0, 0x32}, 0x9c) sendmsg$nl_route(0xffffffffffffffff, &(0x7f0000000980)={&(0x7f0000000440)={0x10, 0x0, 0x0, 0x10000000}, 0xc, &(0x7f0000000740)={&(0x7f0000000d00)=ANY=[@ANYBLOB="86f2407d8a204caf80b640e69a13fefeff6f0000042ba98cfcfccd470037369314427ebd70000000000000000000000000000000cdfb0fa21b95f8072c528f2858315775d7552e", @ANYRES32=0x0, @ANYBLOB="0c943d0559ff0600ff0000000c00018005000600c0000000100001800c00a03a03462081c7fc75d9ffffbf", @ANYRESDEC, @ANYRES64], 0x40}, 0x1, 0x0, 0x0, 0x4008000}, 0x44040) sendto$inet6(r2, &(0x7f0000847fff)='X', 0x34000, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) 18:00:33 executing program 1: prctl$PR_SCHED_CORE(0x3e, 0x1, 0x0, 0x2, 0x0) r0 = syz_open_dev$sndmidi(0x0, 0x0, 0x141101) r1 = dup(r0) write$6lowpan_enable(r1, &(0x7f0000000000)='0', 0xfffffd2c) r2 = socket$inet6_sctp(0xa, 0x5, 0x84) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r2, 0x84, 0x9, &(0x7f0000000580)={0x0, @in={{0x2, 0x0, @empty}}, 0x0, 0x0, 0x3fc, 0x0, 0x32}, 0x9c) sendmsg$nl_route(0xffffffffffffffff, &(0x7f0000000980)={&(0x7f0000000440)={0x10, 0x0, 0x0, 0x10000000}, 0xc, &(0x7f0000000740)={&(0x7f0000000d00)=ANY=[@ANYBLOB="86f2407d8a204caf80b640e69a13fefeff6f0000042ba98cfcfccd470037369314427ebd70000000000000000000000000000000cdfb0fa21b95f8072c528f2858315775d7552e", @ANYRES32=0x0, @ANYBLOB="0c943d0559ff0600ff0000000c00018005000600c0000000100001800c00a03a03462081c7fc75d9ffffbf", @ANYRESDEC, @ANYRES64], 0x40}, 0x1, 0x0, 0x0, 0x4008000}, 0x44040) sendto$inet6(r2, &(0x7f0000847fff)='X', 0x34000, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) 18:00:34 executing program 4: prctl$PR_SCHED_CORE(0x3e, 0x1, 0x0, 0x2, 0x0) r0 = syz_open_dev$sndmidi(&(0x7f0000000040), 0x2, 0x141101) r1 = dup(r0) write$6lowpan_enable(r1, &(0x7f0000000000)='0', 0xfffffd2c) tkill(0x0, 0x0) syz_open_procfs(0x0, 0x0) r2 = socket$inet6_sctp(0xa, 0x5, 0x84) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r2, 0x84, 0x9, &(0x7f0000000580)={0x0, @in={{0x2, 0x0, @empty}}, 0x0, 0x0, 0x3fc, 0x0, 0x32}, 0x9c) bind$packet(0xffffffffffffffff, &(0x7f0000000140)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @multicast}, 0x14) close_range(0xffffffffffffffff, 0xffffffffffffffff, 0x0) sendto$inet6(r2, 0x0, 0x0, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) 18:00:34 executing program 5: prctl$PR_SCHED_CORE(0x3e, 0x1, 0x0, 0x2, 0x0) r0 = syz_open_dev$sndmidi(0x0, 0x2, 0x141101) r1 = dup(r0) write$6lowpan_enable(r1, &(0x7f0000000000)='0', 0xfffffd2c) syz_open_procfs(0x0, &(0x7f0000000080)='net/dev\x00') r2 = socket$inet6_sctp(0xa, 0x5, 0x84) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r2, 0x84, 0x9, &(0x7f0000000580)={0x0, @in={{0x2, 0x0, @empty}}, 0x0, 0x0, 0x3fc, 0x0, 0x32}, 0x9c) bind$inet6(0xffffffffffffffff, &(0x7f00004b8fe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) sendmsg$nl_route(0xffffffffffffffff, &(0x7f0000000980)={&(0x7f0000000440)={0x10, 0x0, 0x0, 0x10000000}, 0xc, &(0x7f0000000740)={&(0x7f0000000d00)=ANY=[@ANYBLOB="86f2407d8a204caf80b640e69a13fefeff6f0000042ba98cfcfccd470037369314427ebd70000000000000000000000000000000cdfb0fa21b95f8072c528f2858315775d7552e", @ANYRES32=0x0, @ANYBLOB="0c943d0559ff0600ff0000000c00018005000600c0000000100001800c00a03a03462081c7fc", @ANYRESDEC, @ANYRES64], 0x40}, 0x1, 0x0, 0x0, 0x4008000}, 0x44040) bind$packet(0xffffffffffffffff, &(0x7f0000000140)={0x11, 0xf0, 0x0, 0x1, 0x0, 0x6, @multicast}, 0x14) close_range(0xffffffffffffffff, 0xffffffffffffffff, 0x2) sendto$inet6(r2, &(0x7f0000847fff)='X', 0x34000, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) 18:00:34 executing program 1: prctl$PR_SCHED_CORE(0x3e, 0x1, 0x0, 0x2, 0x0) r0 = syz_open_dev$sndmidi(&(0x7f0000000040), 0x2, 0x141101) r1 = dup(r0) write$6lowpan_enable(r1, &(0x7f0000000000)='0', 0xfffffd2c) r2 = getpid() tkill(0x0, 0x0) syz_open_procfs(r2, 0x0) r3 = socket$inet6_sctp(0xa, 0x0, 0x84) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r3, 0x84, 0x9, &(0x7f0000000580)={0x0, @in={{0x2, 0x0, @empty}}, 0x0, 0x0, 0x3fc, 0x0, 0x32}, 0x9c) sendmsg$nl_route(0xffffffffffffffff, &(0x7f0000000980)={&(0x7f0000000440)={0x10, 0x0, 0x0, 0x10000000}, 0xc, &(0x7f0000000740)={&(0x7f0000000d00)=ANY=[@ANYBLOB="86f2407d8a204caf80b640e69a13fefeff6f0000042ba98cfcfccd470037369314427ebd70000000000000000000000000000000cdfb0fa21b95f8072c528f2858315775d7552e", @ANYRES32=0x0, @ANYBLOB="0c943d0559ff0600ff0000000c00018005000600c0000000100001800c00a03a03462081c7fc75d9ffffbf", @ANYRESDEC, @ANYRES64], 0x40}, 0x1, 0x0, 0x0, 0x4008000}, 0x44040) bind$packet(0xffffffffffffffff, &(0x7f0000000140)={0x11, 0xf0, 0x0, 0x1, 0x0, 0x6, @multicast}, 0x14) close_range(0xffffffffffffffff, 0xffffffffffffffff, 0x2) sendto$inet6(r3, &(0x7f0000847fff)='X', 0x34000, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) 18:00:34 executing program 0: prctl$PR_SCHED_CORE(0x3e, 0x1, 0x0, 0x2, 0x0) r0 = syz_open_dev$sndmidi(0x0, 0x0, 0x141101) r1 = dup(r0) write$6lowpan_enable(r1, &(0x7f0000000000)='0', 0xfffffd2c) r2 = socket$inet6_sctp(0xa, 0x5, 0x84) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r2, 0x84, 0x9, &(0x7f0000000580)={0x0, @in={{0x2, 0x0, @empty}}, 0x0, 0x0, 0x3fc, 0x0, 0x32}, 0x9c) sendmsg$nl_route(0xffffffffffffffff, &(0x7f0000000980)={&(0x7f0000000440)={0x10, 0x0, 0x0, 0x10000000}, 0xc, &(0x7f0000000740)={&(0x7f0000000d00)=ANY=[@ANYBLOB="86f2407d8a204caf80b640e69a13fefeff6f0000042ba98cfcfccd470037369314427ebd70000000000000000000000000000000cdfb0fa21b95f8072c528f2858315775d7552e", @ANYRES32=0x0, @ANYBLOB="0c943d0559ff0600ff0000000c00018005000600c0000000100001800c00a03a03462081c7fc75d9ffffbf", @ANYRESDEC, @ANYRES64], 0x40}, 0x1, 0x0, 0x0, 0x4008000}, 0x44040) sendto$inet6(r2, &(0x7f0000847fff)='X', 0x34000, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) 18:00:34 executing program 5: prctl$PR_SCHED_CORE(0x3e, 0x1, 0x0, 0x2, 0x0) r0 = syz_open_dev$sndmidi(0x0, 0x2, 0x141101) r1 = dup(r0) write$6lowpan_enable(r1, &(0x7f0000000000)='0', 0xfffffd2c) syz_open_procfs(0x0, &(0x7f0000000080)='net/dev\x00') r2 = socket$inet6_sctp(0xa, 0x5, 0x84) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r2, 0x84, 0x9, &(0x7f0000000580)={0x0, @in={{0x2, 0x0, @empty}}, 0x0, 0x0, 0x3fc, 0x0, 0x32}, 0x9c) bind$inet6(0xffffffffffffffff, &(0x7f00004b8fe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) sendmsg$nl_route(0xffffffffffffffff, &(0x7f0000000980)={&(0x7f0000000440)={0x10, 0x0, 0x0, 0x10000000}, 0xc, &(0x7f0000000740)={&(0x7f0000000d00)=ANY=[@ANYBLOB="86f2407d8a204caf80b640e69a13fefeff6f0000042ba98cfcfccd470037369314427ebd70000000000000000000000000000000cdfb0fa21b95f8072c528f2858315775d7552e", @ANYRES32=0x0, @ANYBLOB="0c943d0559ff0600ff0000000c00018005000600c0000000100001800c00a03a03", @ANYRESDEC, @ANYRES64], 0x40}, 0x1, 0x0, 0x0, 0x4008000}, 0x44040) bind$packet(0xffffffffffffffff, &(0x7f0000000140)={0x11, 0xf0, 0x0, 0x1, 0x0, 0x6, @multicast}, 0x14) close_range(0xffffffffffffffff, 0xffffffffffffffff, 0x2) sendto$inet6(r2, &(0x7f0000847fff)='X', 0x34000, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) 18:00:34 executing program 3: prlimit64(0x0, 0xe, &(0x7f0000000140)={0x8, 0x8b}, 0x0) sched_setscheduler(0x0, 0x2, &(0x7f0000000080)=0x8) r0 = getpid() sched_setscheduler(r0, 0x1, &(0x7f0000001700)=0x4) socketpair$unix(0x1, 0x0, 0x0, &(0x7f0000000200)={0xffffffffffffffff, 0xffffffffffffffff}) recvmmsg(r1, &(0x7f00000000c0), 0x10106, 0x2, 0x0) r3 = openat$loop_ctrl(0xffffff9c, &(0x7f0000000040), 0x0, 0x0) sendmmsg(r2, 0x0, 0x0, 0x0) r4 = getpid() sched_setaffinity(r4, 0x8, &(0x7f0000000000)=0x96f) ioctl$LOOP_CTL_ADD(r3, 0x4c80, 0x0) ioctl$LOOP_CTL_REMOVE(r3, 0x4c81, 0x0) 18:00:34 executing program 0: prlimit64(0x0, 0xe, &(0x7f0000000140)={0x8, 0x8b}, 0x0) sched_setscheduler(0x0, 0x2, &(0x7f0000000080)=0x8) r0 = getpid() sched_setscheduler(r0, 0x1, &(0x7f0000001700)) socketpair$unix(0x1, 0x2, 0x0, &(0x7f0000000200)={0xffffffffffffffff, 0xffffffffffffffff}) recvmmsg(r1, &(0x7f00000000c0), 0x10106, 0x2, 0x0) r3 = openat$loop_ctrl(0xffffff9c, &(0x7f0000000040), 0x0, 0x0) sendmmsg(r2, 0x0, 0x0, 0x0) r4 = getpid() sched_setaffinity(r4, 0x8, &(0x7f0000000000)=0x96f) ioctl$LOOP_CTL_ADD(r3, 0x4c80, 0x0) ioctl$LOOP_CTL_REMOVE(r3, 0x4c81, 0x0) 18:00:34 executing program 2: prctl$PR_SCHED_CORE(0x3e, 0x1, 0x0, 0x2, 0x0) r0 = syz_open_dev$sndmidi(&(0x7f0000000040), 0x2, 0x141101) r1 = dup(r0) write$6lowpan_enable(r1, &(0x7f0000000000)='0', 0xfffffd2c) getpid() tkill(0x0, 0x0) syz_open_procfs(0x0, &(0x7f0000000080)='net/dev\x00') r2 = socket$inet6_sctp(0xa, 0x5, 0x84) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r2, 0x84, 0x9, &(0x7f0000000580)={0x0, @in={{0x2, 0x0, @empty}}, 0x0, 0x0, 0x3fc, 0x0, 0x32}, 0x9c) sendmsg$nl_route(0xffffffffffffffff, &(0x7f0000000980)={&(0x7f0000000440)={0x10, 0x0, 0x0, 0x10000000}, 0xc, &(0x7f0000000740)={&(0x7f0000000d00)=ANY=[@ANYBLOB="86f2407d8a204caf80b640e69a13fefeff6f0000042ba98cfcfccd470037369314427ebd70000000000000000000000000000000cdfb0fa21b95f8072c528f2858315775d7552e", @ANYRES32=0x0, @ANYBLOB="0c943d0559ff0600ff0000000c00018005000600c0000000100001800c00a03a03462081c7fc75d9ffffbf", @ANYRESDEC, @ANYRES64], 0x40}, 0x1, 0x0, 0x0, 0x4008000}, 0x44040) bind$packet(0xffffffffffffffff, &(0x7f0000000140)={0x11, 0xf0, 0x0, 0x1, 0x0, 0x6, @multicast}, 0x14) sendto$inet6(r2, &(0x7f0000847fff)='X', 0x34000, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) 18:00:34 executing program 3: prlimit64(0x0, 0xe, &(0x7f0000000140)={0x8, 0x8b}, 0x0) sched_setscheduler(0x0, 0x2, &(0x7f0000000080)=0x8) r0 = getpid() sched_setscheduler(r0, 0x1, &(0x7f0000001700)=0x4) socketpair$unix(0x1, 0x0, 0x0, &(0x7f0000000200)={0xffffffffffffffff, 0xffffffffffffffff}) recvmmsg(r1, &(0x7f00000000c0), 0x10106, 0x2, 0x0) r3 = openat$loop_ctrl(0xffffff9c, &(0x7f0000000040), 0x0, 0x0) sendmmsg(r2, 0x0, 0x0, 0x0) r4 = getpid() sched_setaffinity(r4, 0x8, &(0x7f0000000000)=0x96f) ioctl$LOOP_CTL_ADD(r3, 0x4c80, 0x0) ioctl$LOOP_CTL_REMOVE(r3, 0x4c81, 0x0) 18:00:34 executing program 3: prlimit64(0x0, 0xe, &(0x7f0000000140)={0x8, 0x8b}, 0x0) sched_setscheduler(0x0, 0x2, &(0x7f0000000080)=0x8) r0 = getpid() sched_setscheduler(r0, 0x1, &(0x7f0000001700)=0x4) socketpair$unix(0x1, 0x0, 0x0, &(0x7f0000000200)={0xffffffffffffffff, 0xffffffffffffffff}) recvmmsg(r1, &(0x7f00000000c0), 0x10106, 0x2, 0x0) r3 = openat$loop_ctrl(0xffffff9c, &(0x7f0000000040), 0x0, 0x0) sendmmsg(r2, 0x0, 0x0, 0x0) r4 = getpid() sched_setaffinity(r4, 0x8, &(0x7f0000000000)=0x96f) ioctl$LOOP_CTL_ADD(r3, 0x4c80, 0x0) ioctl$LOOP_CTL_REMOVE(r3, 0x4c81, 0x0) 18:00:34 executing program 5: prlimit64(0x0, 0xe, &(0x7f0000000140)={0x8, 0x8b}, 0x0) sched_setscheduler(0x0, 0x2, &(0x7f0000000080)=0x8) r0 = getpid() sched_setscheduler(r0, 0x1, &(0x7f0000001700)=0x4) socketpair$unix(0x1, 0x0, 0x0, &(0x7f0000000200)={0xffffffffffffffff, 0xffffffffffffffff}) recvmmsg(r1, &(0x7f00000000c0), 0x10106, 0x2, 0x0) r3 = openat$loop_ctrl(0xffffff9c, &(0x7f0000000040), 0x0, 0x0) sendmmsg(r2, 0x0, 0x0, 0x0) r4 = getpid() sched_setaffinity(r4, 0x8, &(0x7f0000000000)=0x96f) ioctl$LOOP_CTL_ADD(r3, 0x4c80, 0x0) ioctl$LOOP_CTL_REMOVE(r3, 0x4c81, 0x0) [ 684.956528][ T1229] ieee802154 phy0 wpan0: encryption failed: -22 [ 684.965112][ T1229] ieee802154 phy1 wpan1: encryption failed: -22 18:00:35 executing program 4: prctl$PR_SCHED_CORE(0x3e, 0x1, 0x0, 0x2, 0x0) r0 = syz_open_dev$sndmidi(&(0x7f0000000040), 0x2, 0x141101) r1 = dup(r0) write$6lowpan_enable(r1, &(0x7f0000000000)='0', 0xfffffd2c) tkill(0x0, 0x0) syz_open_procfs(0x0, 0x0) r2 = socket$inet6_sctp(0xa, 0x5, 0x84) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r2, 0x84, 0x9, &(0x7f0000000580)={0x0, @in={{0x2, 0x0, @empty}}, 0x0, 0x0, 0x3fc, 0x0, 0x32}, 0x9c) bind$packet(0xffffffffffffffff, &(0x7f0000000140)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @multicast}, 0x14) close_range(0xffffffffffffffff, 0xffffffffffffffff, 0x0) sendto$inet6(r2, 0x0, 0x0, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) 18:00:35 executing program 3: prlimit64(0x0, 0xe, &(0x7f0000000140)={0x8, 0x8b}, 0x0) sched_setscheduler(0x0, 0x2, &(0x7f0000000080)=0x8) r0 = getpid() sched_setscheduler(r0, 0x1, &(0x7f0000001700)=0x4) socketpair$unix(0x1, 0x2, 0x0, 0x0) recvmmsg(0xffffffffffffffff, &(0x7f00000000c0), 0x10106, 0x2, 0x0) r1 = openat$loop_ctrl(0xffffff9c, &(0x7f0000000040), 0x0, 0x0) sendmmsg(0xffffffffffffffff, 0x0, 0x0, 0x0) r2 = getpid() sched_setaffinity(r2, 0x8, &(0x7f0000000000)=0x96f) ioctl$LOOP_CTL_ADD(r1, 0x4c80, 0x0) ioctl$LOOP_CTL_REMOVE(r1, 0x4c81, 0x0) 18:00:35 executing program 5: prctl$PR_SCHED_CORE(0x3e, 0x1, 0x0, 0x2, 0x0) r0 = syz_open_dev$sndmidi(0x0, 0x2, 0x141101) r1 = dup(r0) write$6lowpan_enable(r1, &(0x7f0000000000)='0', 0xfffffd2c) syz_open_procfs(0x0, &(0x7f0000000080)='net/dev\x00') r2 = socket$inet6_sctp(0xa, 0x5, 0x84) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r2, 0x84, 0x9, &(0x7f0000000580)={0x0, @in={{0x2, 0x0, @empty}}, 0x0, 0x0, 0x3fc, 0x0, 0x32}, 0x9c) bind$inet6(0xffffffffffffffff, &(0x7f00004b8fe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) sendmsg$nl_route(0xffffffffffffffff, &(0x7f0000000980)={&(0x7f0000000440)={0x10, 0x0, 0x0, 0x10000000}, 0xc, &(0x7f0000000740)={&(0x7f0000000d00)=ANY=[@ANYBLOB="86f2407d8a204caf80b640e69a13fefeff6f0000042ba98cfcfccd470037369314427ebd70000000000000000000000000000000cdfb0fa21b95f8072c528f2858315775d7552e", @ANYRES32=0x0, @ANYBLOB="0c943d0559ff0600ff0000000c00018005000600c0000000100001800c00a03a03", @ANYRESDEC, @ANYRES64], 0x40}, 0x1, 0x0, 0x0, 0x4008000}, 0x44040) bind$packet(0xffffffffffffffff, &(0x7f0000000140)={0x11, 0xf0, 0x0, 0x1, 0x0, 0x6, @multicast}, 0x14) close_range(0xffffffffffffffff, 0xffffffffffffffff, 0x2) sendto$inet6(r2, &(0x7f0000847fff)='X', 0x34000, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) 18:00:35 executing program 3: prlimit64(0x0, 0xe, &(0x7f0000000140)={0x8, 0x8b}, 0x0) sched_setscheduler(0x0, 0x2, &(0x7f0000000080)=0x8) r0 = getpid() sched_setscheduler(r0, 0x1, &(0x7f0000001700)=0x4) socketpair$unix(0x1, 0x2, 0x0, 0x0) recvmmsg(0xffffffffffffffff, &(0x7f00000000c0), 0x10106, 0x2, 0x0) r1 = openat$loop_ctrl(0xffffff9c, &(0x7f0000000040), 0x0, 0x0) sendmmsg(0xffffffffffffffff, 0x0, 0x0, 0x0) r2 = getpid() sched_setaffinity(r2, 0x8, &(0x7f0000000000)=0x96f) ioctl$LOOP_CTL_ADD(r1, 0x4c80, 0x0) ioctl$LOOP_CTL_REMOVE(r1, 0x4c81, 0x0) 18:00:35 executing program 5: prctl$PR_SCHED_CORE(0x3e, 0x1, 0x0, 0x2, 0x0) r0 = syz_open_dev$sndmidi(0x0, 0x2, 0x141101) r1 = dup(r0) write$6lowpan_enable(r1, &(0x7f0000000000)='0', 0xfffffd2c) r2 = socket$inet6_sctp(0xa, 0x5, 0x84) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r2, 0x84, 0x9, &(0x7f0000000580)={0x0, @in={{0x2, 0x0, @empty}}, 0x0, 0x0, 0x3fc, 0x0, 0x32}, 0x9c) sendmsg$nl_route(0xffffffffffffffff, &(0x7f0000000980)={&(0x7f0000000440)={0x10, 0x0, 0x0, 0x10000000}, 0xc, &(0x7f0000000740)={&(0x7f0000000d00)=ANY=[@ANYBLOB="86f2407d8a204caf80b640e69a13fefeff6f0000042ba98cfcfccd470037369314427ebd70000000000000000000000000000000cdfb0fa21b95f8072c528f2858315775d7552e", @ANYRES32=0x0, @ANYBLOB="0c943d0559ff0600ff0000000c00018005000600c0000000100001800c00a03a03462081c7fc75d9ffffbf", @ANYRESDEC, @ANYRES64], 0x40}, 0x1, 0x0, 0x0, 0x4008000}, 0x44040) sendto$inet6(r2, &(0x7f0000847fff)='X', 0x34000, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) 18:00:35 executing program 1: prctl$PR_SCHED_CORE(0x3e, 0x1, 0x0, 0x0, 0x0) r0 = syz_open_dev$sndmidi(&(0x7f0000000040), 0x2, 0x141101) r1 = dup(r0) write$6lowpan_enable(r1, &(0x7f0000000000)='0', 0xfffffd2c) r2 = socket$inet6_sctp(0xa, 0x5, 0x84) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r2, 0x84, 0x9, &(0x7f0000000580)={0x0, @in={{0x2, 0x0, @empty}}, 0x0, 0x0, 0x3fc, 0x0, 0x32}, 0x9c) sendmsg$nl_route(0xffffffffffffffff, &(0x7f0000000980)={&(0x7f0000000440)={0x10, 0x0, 0x0, 0x10000000}, 0xc, &(0x7f0000000740)={&(0x7f0000000d00)=ANY=[@ANYBLOB="86f2407d8a204caf80b640e69a13fefeff6f0000042ba98cfcfccd470037369314427ebd70000000000000000000000000000000cdfb0fa21b95f8072c528f2858315775d7552e", @ANYRES32=0x0, @ANYBLOB="0c943d0559ff0600ff0000000c00018005000600c0000000100001800c00a03a03462081c7fc75d9ffffbf", @ANYRESDEC, @ANYRES64], 0x40}, 0x1, 0x0, 0x0, 0x4008000}, 0x44040) sendto$inet6(r2, &(0x7f0000847fff)='X', 0x34000, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) 18:00:35 executing program 3: prlimit64(0x0, 0xe, &(0x7f0000000140)={0x8, 0x8b}, 0x0) sched_setscheduler(0x0, 0x2, &(0x7f0000000080)=0x8) r0 = getpid() sched_setscheduler(r0, 0x1, &(0x7f0000001700)=0x4) socketpair$unix(0x1, 0x2, 0x0, 0x0) recvmmsg(0xffffffffffffffff, &(0x7f00000000c0), 0x10106, 0x2, 0x0) r1 = openat$loop_ctrl(0xffffff9c, &(0x7f0000000040), 0x0, 0x0) sendmmsg(0xffffffffffffffff, 0x0, 0x0, 0x0) r2 = getpid() sched_setaffinity(r2, 0x8, &(0x7f0000000000)=0x96f) ioctl$LOOP_CTL_ADD(r1, 0x4c80, 0x0) ioctl$LOOP_CTL_REMOVE(r1, 0x4c81, 0x0) 18:00:35 executing program 0: prctl$PR_SCHED_CORE(0x3e, 0x1, 0x0, 0x2, 0x0) r0 = syz_open_dev$sndmidi(&(0x7f0000000040), 0x2, 0x141101) r1 = dup(r0) write$6lowpan_enable(r1, &(0x7f0000000000)='0', 0xfffffd2c) getpid() tkill(0x0, 0x0) syz_open_procfs(0x0, &(0x7f0000000080)='net/dev\x00') r2 = socket$inet6_sctp(0xa, 0x5, 0x84) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r2, 0x84, 0x9, &(0x7f0000000580)={0x0, @in={{0x2, 0x0, @empty}}, 0x0, 0x0, 0x3fc, 0x0, 0x32}, 0x9c) sendmsg$nl_route(0xffffffffffffffff, &(0x7f0000000980)={&(0x7f0000000440)={0x10, 0x0, 0x0, 0x10000000}, 0xc, &(0x7f0000000740)={&(0x7f0000000d00)=ANY=[@ANYBLOB="86f2407d8a204caf80b640e69a13fefeff6f0000042ba98cfcfccd470037369314427ebd70000000000000000000000000000000cdfb0fa21b95f8072c528f2858315775d7552e", @ANYRES32=0x0, @ANYBLOB="0c943d0559ff0600ff0000000c00018005000600c0000000100001800c00a03a03462081c7fc75d9ffffbf", @ANYRESDEC, @ANYRES64], 0x40}, 0x1, 0x0, 0x0, 0x4008000}, 0x44040) bind$packet(0xffffffffffffffff, &(0x7f0000000140)={0x11, 0xf0, 0x0, 0x1, 0x0, 0x6, @multicast}, 0x14) sendto$inet6(r2, &(0x7f0000847fff)='X', 0x34000, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) 18:00:35 executing program 3: prlimit64(0x0, 0xe, &(0x7f0000000140)={0x8, 0x8b}, 0x0) sched_setscheduler(0x0, 0x2, &(0x7f0000000080)=0x8) r0 = getpid() sched_setscheduler(r0, 0x1, &(0x7f0000001700)=0x4) socketpair$unix(0x1, 0x2, 0x0, &(0x7f0000000200)={0xffffffffffffffff, 0xffffffffffffffff}) recvmmsg(0xffffffffffffffff, &(0x7f00000000c0), 0x10106, 0x2, 0x0) r2 = openat$loop_ctrl(0xffffff9c, &(0x7f0000000040), 0x0, 0x0) sendmmsg(r1, 0x0, 0x0, 0x0) r3 = getpid() sched_setaffinity(r3, 0x8, &(0x7f0000000000)=0x96f) ioctl$LOOP_CTL_ADD(r2, 0x4c80, 0x0) ioctl$LOOP_CTL_REMOVE(r2, 0x4c81, 0x0) 18:00:35 executing program 2: prctl$PR_SCHED_CORE(0x3e, 0x1, 0x0, 0x2, 0x0) r0 = syz_open_dev$sndmidi(&(0x7f0000000040), 0x2, 0x141101) r1 = dup(r0) write$6lowpan_enable(r1, &(0x7f0000000000)='0', 0xfffffd2c) getpid() tkill(0x0, 0x0) syz_open_procfs(0x0, &(0x7f0000000080)='net/dev\x00') r2 = socket$inet6_sctp(0xa, 0x5, 0x84) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r2, 0x84, 0x9, &(0x7f0000000580)={0x0, @in={{0x2, 0x0, @empty}}, 0x0, 0x0, 0x3fc, 0x0, 0x32}, 0x9c) sendmsg$nl_route(0xffffffffffffffff, &(0x7f0000000980)={&(0x7f0000000440)={0x10, 0x0, 0x0, 0x10000000}, 0xc, &(0x7f0000000740)={&(0x7f0000000d00)=ANY=[@ANYBLOB="86f2407d8a204caf80b640e69a13fefeff6f0000042ba98cfcfccd470037369314427ebd70000000000000000000000000000000cdfb0fa21b95f8072c528f2858315775d7552e", @ANYRES32=0x0, @ANYBLOB="0c943d0559ff0600ff0000000c00018005000600c0000000100001800c00a03a03462081c7fc75d9ffffbf", @ANYRESDEC, @ANYRES64], 0x40}, 0x1, 0x0, 0x0, 0x4008000}, 0x44040) bind$packet(0xffffffffffffffff, &(0x7f0000000140)={0x11, 0xf0, 0x0, 0x1, 0x0, 0x6, @multicast}, 0x14) sendto$inet6(r2, &(0x7f0000847fff)='X', 0x34000, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) 18:00:35 executing program 5: prctl$PR_SCHED_CORE(0x3e, 0x1, 0x0, 0x2, 0x0) r0 = syz_open_dev$sndmidi(0x0, 0x2, 0x141101) r1 = dup(r0) write$6lowpan_enable(r1, &(0x7f0000000000)='0', 0xfffffd2c) syz_open_procfs(0x0, &(0x7f0000000080)='net/dev\x00') r2 = socket$inet6_sctp(0xa, 0x5, 0x84) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r2, 0x84, 0x9, &(0x7f0000000580)={0x0, @in={{0x2, 0x0, @empty}}, 0x0, 0x0, 0x3fc, 0x0, 0x32}, 0x9c) bind$inet6(0xffffffffffffffff, &(0x7f00004b8fe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) sendmsg$nl_route(0xffffffffffffffff, &(0x7f0000000980)={&(0x7f0000000440)={0x10, 0x0, 0x0, 0x10000000}, 0xc, &(0x7f0000000740)={&(0x7f0000000d00)=ANY=[@ANYBLOB="86f2407d8a204caf80b640e69a13fefeff6f0000042ba98cfcfccd470037369314427ebd70000000000000000000000000000000cdfb0fa21b95f8072c528f2858315775d7552e", @ANYRES32=0x0, @ANYBLOB="0c943d0559ff0600ff0000000c00018005000600c000", @ANYRESDEC, @ANYRES64], 0x40}, 0x1, 0x0, 0x0, 0x4008000}, 0x44040) bind$packet(0xffffffffffffffff, &(0x7f0000000140)={0x11, 0xf0, 0x0, 0x1, 0x0, 0x6, @multicast}, 0x14) close_range(0xffffffffffffffff, 0xffffffffffffffff, 0x2) sendto$inet6(r2, &(0x7f0000847fff)='X', 0x34000, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) 18:00:36 executing program 4: prctl$PR_SCHED_CORE(0x3e, 0x1, 0x0, 0x2, 0x0) r0 = syz_open_dev$sndmidi(&(0x7f0000000040), 0x2, 0x141101) r1 = dup(r0) write$6lowpan_enable(r1, &(0x7f0000000000)='0', 0xfffffd2c) tkill(0x0, 0x0) syz_open_procfs(0x0, 0x0) r2 = socket$inet6_sctp(0xa, 0x5, 0x84) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r2, 0x84, 0x9, &(0x7f0000000580)={0x0, @in={{0x2, 0x0, @empty}}, 0x0, 0x0, 0x3fc, 0x0, 0x32}, 0x9c) bind$packet(0xffffffffffffffff, &(0x7f0000000140)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @multicast}, 0x14) close_range(0xffffffffffffffff, 0xffffffffffffffff, 0x0) sendto$inet6(r2, 0x0, 0x0, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) 18:00:36 executing program 3: prlimit64(0x0, 0xe, &(0x7f0000000140)={0x8, 0x8b}, 0x0) sched_setscheduler(0x0, 0x2, &(0x7f0000000080)=0x8) r0 = getpid() sched_setscheduler(r0, 0x1, &(0x7f0000001700)=0x4) socketpair$unix(0x1, 0x2, 0x0, &(0x7f0000000200)={0xffffffffffffffff, 0xffffffffffffffff}) recvmmsg(0xffffffffffffffff, &(0x7f00000000c0), 0x10106, 0x2, 0x0) r2 = openat$loop_ctrl(0xffffff9c, &(0x7f0000000040), 0x0, 0x0) sendmmsg(r1, 0x0, 0x0, 0x0) r3 = getpid() sched_setaffinity(r3, 0x8, &(0x7f0000000000)=0x96f) ioctl$LOOP_CTL_ADD(r2, 0x4c80, 0x0) ioctl$LOOP_CTL_REMOVE(r2, 0x4c81, 0x0) 18:00:36 executing program 5: prctl$PR_SCHED_CORE(0x3e, 0x1, 0x0, 0x2, 0x0) r0 = syz_open_dev$sndmidi(0x0, 0x2, 0x141101) r1 = dup(r0) write$6lowpan_enable(r1, &(0x7f0000000000)='0', 0xfffffd2c) syz_open_procfs(0x0, &(0x7f0000000080)='net/dev\x00') r2 = socket$inet6_sctp(0xa, 0x5, 0x84) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r2, 0x84, 0x9, &(0x7f0000000580)={0x0, @in={{0x2, 0x0, @empty}}, 0x0, 0x0, 0x3fc, 0x0, 0x32}, 0x9c) bind$inet6(0xffffffffffffffff, &(0x7f00004b8fe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) sendmsg$nl_route(0xffffffffffffffff, &(0x7f0000000980)={&(0x7f0000000440)={0x10, 0x0, 0x0, 0x10000000}, 0xc, &(0x7f0000000740)={&(0x7f0000000d00)=ANY=[@ANYBLOB="86f2407d8a204caf80b640e69a13fefeff6f0000042ba98cfcfccd470037369314427ebd70000000000000000000000000000000cdfb0fa21b95f8072c528f2858315775d7552e", @ANYRES32=0x0, @ANYBLOB="0c943d0559ff0600ff0000000c00018005000600c000", @ANYRESDEC, @ANYRES64], 0x40}, 0x1, 0x0, 0x0, 0x4008000}, 0x44040) bind$packet(0xffffffffffffffff, &(0x7f0000000140)={0x11, 0xf0, 0x0, 0x1, 0x0, 0x6, @multicast}, 0x14) close_range(0xffffffffffffffff, 0xffffffffffffffff, 0x2) sendto$inet6(r2, &(0x7f0000847fff)='X', 0x34000, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) 18:00:36 executing program 3: prlimit64(0x0, 0xe, &(0x7f0000000140)={0x8, 0x8b}, 0x0) sched_setscheduler(0x0, 0x2, &(0x7f0000000080)=0x8) r0 = getpid() sched_setscheduler(r0, 0x1, &(0x7f0000001700)=0x4) socketpair$unix(0x1, 0x2, 0x0, &(0x7f0000000200)={0xffffffffffffffff, 0xffffffffffffffff}) recvmmsg(0xffffffffffffffff, &(0x7f00000000c0), 0x10106, 0x2, 0x0) r2 = openat$loop_ctrl(0xffffff9c, &(0x7f0000000040), 0x0, 0x0) sendmmsg(r1, 0x0, 0x0, 0x0) r3 = getpid() sched_setaffinity(r3, 0x8, &(0x7f0000000000)=0x96f) ioctl$LOOP_CTL_ADD(r2, 0x4c80, 0x0) ioctl$LOOP_CTL_REMOVE(r2, 0x4c81, 0x0) 18:00:36 executing program 3: prlimit64(0x0, 0xe, &(0x7f0000000140)={0x8, 0x8b}, 0x0) sched_setscheduler(0x0, 0x2, &(0x7f0000000080)=0x8) r0 = getpid() sched_setscheduler(r0, 0x1, &(0x7f0000001700)=0x4) socketpair$unix(0x1, 0x2, 0x0, &(0x7f0000000200)={0xffffffffffffffff, 0xffffffffffffffff}) recvmmsg(r1, 0x0, 0x0, 0x2, 0x0) r3 = openat$loop_ctrl(0xffffff9c, &(0x7f0000000040), 0x0, 0x0) sendmmsg(r2, 0x0, 0x0, 0x0) r4 = getpid() sched_setaffinity(r4, 0x8, &(0x7f0000000000)=0x96f) ioctl$LOOP_CTL_ADD(r3, 0x4c80, 0x0) ioctl$LOOP_CTL_REMOVE(r3, 0x4c81, 0x0) 18:00:36 executing program 3: prlimit64(0x0, 0xe, &(0x7f0000000140)={0x8, 0x8b}, 0x0) sched_setscheduler(0x0, 0x2, &(0x7f0000000080)=0x8) r0 = getpid() sched_setscheduler(r0, 0x1, &(0x7f0000001700)=0x4) socketpair$unix(0x1, 0x2, 0x0, &(0x7f0000000200)={0xffffffffffffffff, 0xffffffffffffffff}) recvmmsg(r1, 0x0, 0x0, 0x2, 0x0) r3 = openat$loop_ctrl(0xffffff9c, &(0x7f0000000040), 0x0, 0x0) sendmmsg(r2, 0x0, 0x0, 0x0) r4 = getpid() sched_setaffinity(r4, 0x8, &(0x7f0000000000)=0x96f) ioctl$LOOP_CTL_ADD(r3, 0x4c80, 0x0) ioctl$LOOP_CTL_REMOVE(r3, 0x4c81, 0x0) 18:00:36 executing program 1: prctl$PR_SCHED_CORE(0x3e, 0x1, 0x0, 0x0, 0x0) r0 = syz_open_dev$sndmidi(&(0x7f0000000040), 0x2, 0x141101) r1 = dup(r0) write$6lowpan_enable(r1, &(0x7f0000000000)='0', 0xfffffd2c) r2 = socket$inet6_sctp(0xa, 0x5, 0x84) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r2, 0x84, 0x9, &(0x7f0000000580)={0x0, @in={{0x2, 0x0, @empty}}, 0x0, 0x0, 0x3fc, 0x0, 0x32}, 0x9c) sendmsg$nl_route(0xffffffffffffffff, &(0x7f0000000980)={&(0x7f0000000440)={0x10, 0x0, 0x0, 0x10000000}, 0xc, &(0x7f0000000740)={&(0x7f0000000d00)=ANY=[@ANYBLOB="86f2407d8a204caf80b640e69a13fefeff6f0000042ba98cfcfccd470037369314427ebd70000000000000000000000000000000cdfb0fa21b95f8072c528f2858315775d7552e", @ANYRES32=0x0, @ANYBLOB="0c943d0559ff0600ff0000000c00018005000600c0000000100001800c00a03a03462081c7fc75d9ffffbf", @ANYRESDEC, @ANYRES64], 0x40}, 0x1, 0x0, 0x0, 0x4008000}, 0x44040) sendto$inet6(r2, &(0x7f0000847fff)='X', 0x34000, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) 18:00:36 executing program 5: prctl$PR_SCHED_CORE(0x3e, 0x1, 0x0, 0x2, 0x0) r0 = syz_open_dev$sndmidi(0x0, 0x2, 0x141101) r1 = dup(r0) write$6lowpan_enable(r1, &(0x7f0000000000)='0', 0xfffffd2c) syz_open_procfs(0x0, &(0x7f0000000080)='net/dev\x00') r2 = socket$inet6_sctp(0xa, 0x5, 0x84) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r2, 0x84, 0x9, &(0x7f0000000580)={0x0, @in={{0x2, 0x0, @empty}}, 0x0, 0x0, 0x3fc, 0x0, 0x32}, 0x9c) bind$inet6(0xffffffffffffffff, &(0x7f00004b8fe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) sendmsg$nl_route(0xffffffffffffffff, &(0x7f0000000980)={&(0x7f0000000440)={0x10, 0x0, 0x0, 0x10000000}, 0xc, &(0x7f0000000740)={&(0x7f0000000d00)=ANY=[@ANYBLOB="86f2407d8a204caf80b640e69a13fefeff6f0000042ba98cfcfccd470037369314427ebd70000000000000000000000000000000cdfb0fa21b95f8072c528f2858315775d7552e", @ANYRES32=0x0, @ANYBLOB, @ANYRESDEC, @ANYRES64], 0x40}, 0x1, 0x0, 0x0, 0x4008000}, 0x44040) bind$packet(0xffffffffffffffff, &(0x7f0000000140)={0x11, 0xf0, 0x0, 0x1, 0x0, 0x6, @multicast}, 0x14) close_range(0xffffffffffffffff, 0xffffffffffffffff, 0x2) sendto$inet6(r2, &(0x7f0000847fff)='X', 0x34000, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) 18:00:36 executing program 0: prctl$PR_SCHED_CORE(0x3e, 0x1, 0x0, 0x0, 0x0) r0 = syz_open_dev$sndmidi(&(0x7f0000000040), 0x2, 0x141101) r1 = dup(r0) write$6lowpan_enable(r1, &(0x7f0000000000)='0', 0xfffffd2c) r2 = socket$inet6_sctp(0xa, 0x5, 0x84) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r2, 0x84, 0x9, &(0x7f0000000580)={0x0, @in={{0x2, 0x0, @empty}}, 0x0, 0x0, 0x3fc, 0x0, 0x32}, 0x9c) sendmsg$nl_route(0xffffffffffffffff, &(0x7f0000000980)={&(0x7f0000000440)={0x10, 0x0, 0x0, 0x10000000}, 0xc, &(0x7f0000000740)={&(0x7f0000000d00)=ANY=[@ANYBLOB="86f2407d8a204caf80b640e69a13fefeff6f0000042ba98cfcfccd470037369314427ebd70000000000000000000000000000000cdfb0fa21b95f8072c528f2858315775d7552e", @ANYRES32=0x0, @ANYBLOB="0c943d0559ff0600ff0000000c00018005000600c0000000100001800c00a03a03462081c7fc75d9ffffbf", @ANYRESDEC, @ANYRES64], 0x40}, 0x1, 0x0, 0x0, 0x4008000}, 0x44040) sendto$inet6(r2, &(0x7f0000847fff)='X', 0x34000, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) 18:00:36 executing program 3: prlimit64(0x0, 0xe, &(0x7f0000000140)={0x8, 0x8b}, 0x0) sched_setscheduler(0x0, 0x2, &(0x7f0000000080)=0x8) r0 = getpid() sched_setscheduler(r0, 0x1, &(0x7f0000001700)=0x4) socketpair$unix(0x1, 0x2, 0x0, &(0x7f0000000200)={0xffffffffffffffff, 0xffffffffffffffff}) recvmmsg(r1, 0x0, 0x0, 0x2, 0x0) r3 = openat$loop_ctrl(0xffffff9c, &(0x7f0000000040), 0x0, 0x0) sendmmsg(r2, 0x0, 0x0, 0x0) r4 = getpid() sched_setaffinity(r4, 0x8, &(0x7f0000000000)=0x96f) ioctl$LOOP_CTL_ADD(r3, 0x4c80, 0x0) ioctl$LOOP_CTL_REMOVE(r3, 0x4c81, 0x0) 18:00:37 executing program 2: prctl$PR_SCHED_CORE(0x3e, 0x1, 0x0, 0x2, 0x0) r0 = syz_open_dev$sndmidi(&(0x7f0000000040), 0x2, 0x141101) r1 = dup(r0) write$6lowpan_enable(r1, &(0x7f0000000000)='0', 0xfffffd2c) r2 = getpid() tkill(0x0, 0x0) syz_open_procfs(r2, 0x0) r3 = socket$inet6_sctp(0xa, 0x5, 0x84) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r3, 0x84, 0x9, &(0x7f0000000580)={0x0, @in={{0x2, 0x0, @empty}}, 0x0, 0x0, 0x3fc, 0x0, 0x32}, 0x9c) sendmsg$nl_route(0xffffffffffffffff, &(0x7f0000000980)={&(0x7f0000000440)={0x10, 0x0, 0x0, 0x10000000}, 0xc, &(0x7f0000000740)={&(0x7f0000000d00)=ANY=[@ANYBLOB="86f2407d8a204caf80b640e69a13fefeff6f0000042ba98cfcfccd470037369314427ebd70000000000000000000000000000000cdfb0fa21b95f8072c528f2858315775d7552e", @ANYRES32=0x0, @ANYBLOB="0c943d0559ff0600ff0000000c00018005000600c0000000100001800c00a03a03462081c7fc75d9ffffbf", @ANYRESDEC, @ANYRES64], 0x40}, 0x1, 0x0, 0x0, 0x4008000}, 0x44040) bind$packet(0xffffffffffffffff, &(0x7f0000000140)={0x11, 0xf0, 0x0, 0x1, 0x0, 0x6, @multicast}, 0x14) close_range(0xffffffffffffffff, 0xffffffffffffffff, 0x2) sendto$inet6(r3, &(0x7f0000847fff)='X', 0x34000, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) 18:00:37 executing program 3: prlimit64(0x0, 0xe, &(0x7f0000000140)={0x8, 0x8b}, 0x0) sched_setscheduler(0x0, 0x2, &(0x7f0000000080)=0x8) r0 = getpid() sched_setscheduler(r0, 0x1, &(0x7f0000001700)=0x4) socketpair$unix(0x1, 0x2, 0x0, &(0x7f0000000200)={0xffffffffffffffff, 0xffffffffffffffff}) recvmmsg(r1, &(0x7f00000000c0), 0x10106, 0x0, 0x0) r3 = openat$loop_ctrl(0xffffff9c, &(0x7f0000000040), 0x0, 0x0) sendmmsg(r2, 0x0, 0x0, 0x0) r4 = getpid() sched_setaffinity(r4, 0x8, &(0x7f0000000000)=0x96f) ioctl$LOOP_CTL_ADD(r3, 0x4c80, 0x0) ioctl$LOOP_CTL_REMOVE(r3, 0x4c81, 0x0) 18:00:37 executing program 4: prctl$PR_SCHED_CORE(0x3e, 0x1, 0x0, 0x2, 0x0) r0 = syz_open_dev$sndmidi(&(0x7f0000000040), 0x2, 0x141101) r1 = dup(r0) write$6lowpan_enable(r1, &(0x7f0000000000)='0', 0xfffffd2c) tkill(0x0, 0x0) syz_open_procfs(0x0, 0x0) r2 = socket$inet6_sctp(0xa, 0x5, 0x84) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r2, 0x84, 0x9, &(0x7f0000000580)={0x0, @in={{0x2, 0x0, @empty}}, 0x0, 0x0, 0x3fc, 0x0, 0x32}, 0x9c) bind$packet(0xffffffffffffffff, &(0x7f0000000140)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @multicast}, 0x14) close_range(0xffffffffffffffff, 0xffffffffffffffff, 0x0) sendto$inet6(r2, &(0x7f0000847fff), 0x0, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) 18:00:37 executing program 5: prctl$PR_SCHED_CORE(0x3e, 0x1, 0x0, 0x2, 0x0) r0 = syz_open_dev$sndmidi(0x0, 0x2, 0x141101) r1 = dup(r0) write$6lowpan_enable(r1, &(0x7f0000000000)='0', 0xfffffd2c) syz_open_procfs(0x0, &(0x7f0000000080)='net/dev\x00') r2 = socket$inet6_sctp(0xa, 0x5, 0x84) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r2, 0x84, 0x9, &(0x7f0000000580)={0x0, @in={{0x2, 0x0, @empty}}, 0x0, 0x0, 0x3fc, 0x0, 0x32}, 0x9c) bind$inet6(0xffffffffffffffff, &(0x7f00004b8fe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) sendmsg$nl_route(0xffffffffffffffff, &(0x7f0000000980)={&(0x7f0000000440)={0x10, 0x0, 0x0, 0x10000000}, 0xc, &(0x7f0000000740)={&(0x7f0000000d00)=ANY=[@ANYBLOB="86f2407d8a204caf80b640e69a13fefeff6f0000042ba98cfcfccd470037369314427ebd70000000000000000000000000000000cdfb0fa21b95f8072c528f2858315775d7552e", @ANYRES32=0x0, @ANYBLOB, @ANYRESDEC, @ANYRES64], 0x40}, 0x1, 0x0, 0x0, 0x4008000}, 0x44040) bind$packet(0xffffffffffffffff, &(0x7f0000000140)={0x11, 0xf0, 0x0, 0x1, 0x0, 0x6, @multicast}, 0x14) close_range(0xffffffffffffffff, 0xffffffffffffffff, 0x2) sendto$inet6(r2, &(0x7f0000847fff)='X', 0x34000, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) 18:00:37 executing program 5: prctl$PR_SCHED_CORE(0x3e, 0x0, 0x0, 0x2, 0x0) r0 = syz_open_dev$sndmidi(&(0x7f0000000040), 0x2, 0x141101) r1 = dup(r0) write$6lowpan_enable(r1, &(0x7f0000000000)='0', 0xfffffd2c) r2 = socket$inet6_sctp(0xa, 0x5, 0x84) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r2, 0x84, 0x9, &(0x7f0000000580)={0x0, @in={{0x2, 0x0, @empty}}, 0x0, 0x0, 0x3fc, 0x0, 0x32}, 0x9c) sendmsg$nl_route(0xffffffffffffffff, &(0x7f0000000980)={&(0x7f0000000440)={0x10, 0x0, 0x0, 0x10000000}, 0xc, &(0x7f0000000740)={&(0x7f0000000d00)=ANY=[@ANYBLOB="86f2407d8a204caf80b640e69a13fefeff6f0000042ba98cfcfccd470037369314427ebd70000000000000000000000000000000cdfb0fa21b95f8072c528f2858315775d7552e", @ANYRES32=0x0, @ANYBLOB="0c943d0559ff0600ff0000000c00018005000600c0000000100001800c00a03a03462081c7fc75d9ffffbf", @ANYRESDEC, @ANYRES64], 0x40}, 0x1, 0x0, 0x0, 0x4008000}, 0x44040) sendto$inet6(r2, &(0x7f0000847fff)='X', 0x34000, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) 18:00:37 executing program 1: prctl$PR_SCHED_CORE(0x3e, 0x1, 0x0, 0x0, 0x0) r0 = syz_open_dev$sndmidi(&(0x7f0000000040), 0x2, 0x141101) r1 = dup(r0) write$6lowpan_enable(r1, &(0x7f0000000000)='0', 0xfffffd2c) r2 = socket$inet6_sctp(0xa, 0x5, 0x84) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r2, 0x84, 0x9, &(0x7f0000000580)={0x0, @in={{0x2, 0x0, @empty}}, 0x0, 0x0, 0x3fc, 0x0, 0x32}, 0x9c) sendmsg$nl_route(0xffffffffffffffff, &(0x7f0000000980)={&(0x7f0000000440)={0x10, 0x0, 0x0, 0x10000000}, 0xc, &(0x7f0000000740)={&(0x7f0000000d00)=ANY=[@ANYBLOB="86f2407d8a204caf80b640e69a13fefeff6f0000042ba98cfcfccd470037369314427ebd70000000000000000000000000000000cdfb0fa21b95f8072c528f2858315775d7552e", @ANYRES32=0x0, @ANYBLOB="0c943d0559ff0600ff0000000c00018005000600c0000000100001800c00a03a03462081c7fc75d9ffffbf", @ANYRESDEC, @ANYRES64], 0x40}, 0x1, 0x0, 0x0, 0x4008000}, 0x44040) sendto$inet6(r2, &(0x7f0000847fff)='X', 0x34000, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) 18:00:37 executing program 3: prlimit64(0x0, 0xe, &(0x7f0000000140)={0x8, 0x8b}, 0x0) sched_setscheduler(0x0, 0x2, &(0x7f0000000080)=0x8) r0 = getpid() sched_setscheduler(r0, 0x1, &(0x7f0000001700)=0x4) socketpair$unix(0x1, 0x2, 0x0, &(0x7f0000000200)={0xffffffffffffffff, 0xffffffffffffffff}) recvmmsg(r1, &(0x7f00000000c0), 0x10106, 0x0, 0x0) r3 = openat$loop_ctrl(0xffffff9c, &(0x7f0000000040), 0x0, 0x0) sendmmsg(r2, 0x0, 0x0, 0x0) r4 = getpid() sched_setaffinity(r4, 0x8, &(0x7f0000000000)=0x96f) ioctl$LOOP_CTL_ADD(r3, 0x4c80, 0x0) ioctl$LOOP_CTL_REMOVE(r3, 0x4c81, 0x0) 18:00:38 executing program 0: prctl$PR_SCHED_CORE(0x3e, 0x1, 0x0, 0x2, 0x0) r0 = syz_open_dev$sndmidi(&(0x7f0000000040), 0x2, 0x141101) r1 = dup(r0) write$6lowpan_enable(r1, &(0x7f0000000000)='0', 0xfffffd2c) getpid() tkill(0x0, 0x0) syz_open_procfs(0x0, &(0x7f0000000080)='net/dev\x00') r2 = socket$inet6_sctp(0xa, 0x5, 0x84) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r2, 0x84, 0x9, &(0x7f0000000580)={0x0, @in={{0x2, 0x0, @empty}}, 0x0, 0x0, 0x3fc, 0x0, 0x32}, 0x9c) sendmsg$nl_route(0xffffffffffffffff, &(0x7f0000000980)={&(0x7f0000000440)={0x10, 0x0, 0x0, 0x10000000}, 0xc, &(0x7f0000000740)={&(0x7f0000000d00)=ANY=[@ANYBLOB="86f2407d8a204caf80b640e69a13fefeff6f0000042ba98cfcfccd470037369314427ebd70000000000000000000000000000000cdfb0fa21b95f8072c528f2858315775d7552e", @ANYRES32=0x0, @ANYBLOB="0c943d0559ff0600ff0000000c00018005000600c0000000100001800c00a03a03462081c7fc75d9ffffbf", @ANYRESDEC, @ANYRES64], 0x40}, 0x1, 0x0, 0x0, 0x4008000}, 0x44040) bind$packet(0xffffffffffffffff, &(0x7f0000000140)={0x11, 0xf0, 0x0, 0x1, 0x0, 0x6, @multicast}, 0x14) close_range(0xffffffffffffffff, 0xffffffffffffffff, 0x2) sendto$inet6(r2, &(0x7f0000847fff)='X', 0x34000, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) 18:00:38 executing program 4: prctl$PR_SCHED_CORE(0x3e, 0x1, 0x0, 0x2, 0x0) r0 = syz_open_dev$sndmidi(&(0x7f0000000040), 0x2, 0x141101) r1 = dup(r0) write$6lowpan_enable(r1, &(0x7f0000000000)='0', 0xfffffd2c) tkill(0x0, 0x0) syz_open_procfs(0x0, 0x0) r2 = socket$inet6_sctp(0xa, 0x5, 0x84) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r2, 0x84, 0x9, &(0x7f0000000580)={0x0, @in={{0x2, 0x0, @empty}}, 0x0, 0x0, 0x3fc, 0x0, 0x32}, 0x9c) bind$packet(0xffffffffffffffff, &(0x7f0000000140)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @multicast}, 0x14) close_range(0xffffffffffffffff, 0xffffffffffffffff, 0x0) sendto$inet6(r2, &(0x7f0000847fff), 0x0, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) 18:00:38 executing program 2: prctl$PR_SCHED_CORE(0x3e, 0x1, 0x0, 0x2, 0x0) r0 = syz_open_dev$sndmidi(&(0x7f0000000040), 0x2, 0x141101) r1 = dup(r0) write$6lowpan_enable(r1, &(0x7f0000000000)='0', 0xfffffd2c) r2 = getpid() tkill(0x0, 0x0) syz_open_procfs(r2, 0x0) r3 = socket$inet6_sctp(0xa, 0x5, 0x84) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r3, 0x84, 0x9, &(0x7f0000000580)={0x0, @in={{0x2, 0x0, @empty}}, 0x0, 0x0, 0x3fc, 0x0, 0x32}, 0x9c) sendmsg$nl_route(0xffffffffffffffff, &(0x7f0000000980)={&(0x7f0000000440)={0x10, 0x0, 0x0, 0x10000000}, 0xc, &(0x7f0000000740)={&(0x7f0000000d00)=ANY=[@ANYBLOB="86f2407d8a204caf80b640e69a13fefeff6f0000042ba98cfcfccd470037369314427ebd70000000000000000000000000000000cdfb0fa21b95f8072c528f2858315775d7552e", @ANYRES32=0x0, @ANYBLOB="0c943d0559ff0600ff0000000c00018005000600c0000000100001800c00a03a03462081c7fc75d9ffffbf", @ANYRESDEC, @ANYRES64], 0x40}, 0x1, 0x0, 0x0, 0x4008000}, 0x44040) bind$packet(0xffffffffffffffff, &(0x7f0000000140)={0x11, 0xf0, 0x0, 0x1, 0x0, 0x6, @multicast}, 0x14) close_range(0xffffffffffffffff, 0xffffffffffffffff, 0x2) sendto$inet6(r3, &(0x7f0000847fff)='X', 0x34000, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) 18:00:38 executing program 5: prctl$PR_SCHED_CORE(0x3e, 0x1, 0x0, 0x2, 0x0) r0 = syz_open_dev$sndmidi(&(0x7f0000000040), 0x2, 0x141101) r1 = dup(r0) write$6lowpan_enable(r1, &(0x7f0000000000)='0', 0xfffffd2c) getpid() tkill(0x0, 0x0) syz_open_procfs(0x0, &(0x7f0000000080)='net/dev\x00') r2 = socket$inet6_sctp(0xa, 0x5, 0x84) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r2, 0x84, 0x9, &(0x7f0000000580)={0x0, @in={{0x2, 0x0, @empty}}, 0x0, 0x0, 0x3fc, 0x0, 0x32}, 0x9c) sendmsg$nl_route(0xffffffffffffffff, &(0x7f0000000980)={&(0x7f0000000440)={0x10, 0x0, 0x0, 0x10000000}, 0xc, &(0x7f0000000740)={&(0x7f0000000d00)=ANY=[@ANYBLOB="86f2407d8a204caf80b640e69a13fefeff6f0000042ba98cfcfccd470037369314427ebd70000000000000000000000000000000cdfb0fa21b95f8072c528f2858315775d7552e", @ANYRES32=0x0, @ANYBLOB="0c943d0559ff0600ff0000000c00018005000600c0000000100001800c00a03a03462081c7fc75d9ffffbf", @ANYRESDEC, @ANYRES64], 0x40}, 0x1, 0x0, 0x0, 0x4008000}, 0x44040) bind$packet(0xffffffffffffffff, &(0x7f0000000140)={0x11, 0xf0, 0x0, 0x1, 0x0, 0x6, @multicast}, 0x14) close_range(0xffffffffffffffff, 0xffffffffffffffff, 0x2) sendto$inet6(r2, &(0x7f0000847fff)='X', 0x34000, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) 18:00:38 executing program 3: prlimit64(0x0, 0xe, &(0x7f0000000140)={0x8, 0x8b}, 0x0) sched_setscheduler(0x0, 0x2, &(0x7f0000000080)=0x8) r0 = getpid() sched_setscheduler(r0, 0x1, &(0x7f0000001700)=0x4) socketpair$unix(0x1, 0x2, 0x0, &(0x7f0000000200)={0xffffffffffffffff, 0xffffffffffffffff}) recvmmsg(r1, &(0x7f00000000c0), 0x10106, 0x0, 0x0) r3 = openat$loop_ctrl(0xffffff9c, &(0x7f0000000040), 0x0, 0x0) sendmmsg(r2, 0x0, 0x0, 0x0) r4 = getpid() sched_setaffinity(r4, 0x8, &(0x7f0000000000)=0x96f) ioctl$LOOP_CTL_ADD(r3, 0x4c80, 0x0) ioctl$LOOP_CTL_REMOVE(r3, 0x4c81, 0x0) 18:00:39 executing program 1: prctl$PR_SCHED_CORE(0x3e, 0x1, 0x0, 0x2, 0x0) r0 = syz_open_dev$sndmidi(0x0, 0x2, 0x141101) r1 = dup(r0) write$6lowpan_enable(r1, &(0x7f0000000000)='0', 0xfffffd2c) syz_open_procfs(0x0, &(0x7f0000000080)='net/dev\x00') r2 = socket$inet6_sctp(0xa, 0x5, 0x84) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r2, 0x84, 0x9, &(0x7f0000000580)={0x0, @in={{0x2, 0x0, @empty}}, 0x0, 0x0, 0x3fc, 0x0, 0x32}, 0x9c) bind$inet6(0xffffffffffffffff, &(0x7f00004b8fe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) sendmsg$nl_route(0xffffffffffffffff, &(0x7f0000000980)={&(0x7f0000000440)={0x10, 0x0, 0x0, 0x10000000}, 0xc, &(0x7f0000000740)={&(0x7f0000000d00)=ANY=[@ANYBLOB="86f2407d8a204caf80b640e69a13fefeff6f0000042ba98cfcfccd470037369314427ebd70000000000000000000000000000000cdfb0fa21b95f8072c528f2858315775d7552e", @ANYRES32=0x0, @ANYBLOB="0c943d0559ff0600ff0000000c00018005000600c0000000100001800c00a03a03462081c7fc75d9ffffbf", @ANYRESDEC], 0x40}, 0x1, 0x0, 0x0, 0x4008000}, 0x44040) bind$packet(0xffffffffffffffff, &(0x7f0000000140)={0x11, 0xf0, 0x0, 0x1, 0x0, 0x6, @multicast}, 0x14) close_range(0xffffffffffffffff, 0xffffffffffffffff, 0x2) sendto$inet6(r2, &(0x7f0000847fff)='X', 0x34000, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) 18:00:39 executing program 4: prctl$PR_SCHED_CORE(0x3e, 0x1, 0x0, 0x2, 0x0) r0 = syz_open_dev$sndmidi(&(0x7f0000000040), 0x2, 0x141101) r1 = dup(r0) write$6lowpan_enable(r1, &(0x7f0000000000)='0', 0xfffffd2c) tkill(0x0, 0x0) syz_open_procfs(0x0, 0x0) r2 = socket$inet6_sctp(0xa, 0x5, 0x84) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r2, 0x84, 0x9, &(0x7f0000000580)={0x0, @in={{0x2, 0x0, @empty}}, 0x0, 0x0, 0x3fc, 0x0, 0x32}, 0x9c) bind$packet(0xffffffffffffffff, &(0x7f0000000140)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @multicast}, 0x14) close_range(0xffffffffffffffff, 0xffffffffffffffff, 0x0) sendto$inet6(r2, &(0x7f0000847fff), 0x0, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) 18:00:39 executing program 0: prctl$PR_SCHED_CORE(0x3e, 0x0, 0x0, 0x2, 0x0) r0 = syz_open_dev$sndmidi(&(0x7f0000000040), 0x2, 0x141101) r1 = dup(r0) write$6lowpan_enable(r1, &(0x7f0000000000)='0', 0xfffffd2c) r2 = socket$inet6_sctp(0xa, 0x5, 0x84) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r2, 0x84, 0x9, &(0x7f0000000580)={0x0, @in={{0x2, 0x0, @empty}}, 0x0, 0x0, 0x3fc, 0x0, 0x32}, 0x9c) sendmsg$nl_route(0xffffffffffffffff, &(0x7f0000000980)={&(0x7f0000000440)={0x10, 0x0, 0x0, 0x10000000}, 0xc, &(0x7f0000000740)={&(0x7f0000000d00)=ANY=[@ANYBLOB="86f2407d8a204caf80b640e69a13fefeff6f0000042ba98cfcfccd470037369314427ebd70000000000000000000000000000000cdfb0fa21b95f8072c528f2858315775d7552e", @ANYRES32=0x0, @ANYBLOB="0c943d0559ff0600ff0000000c00018005000600c0000000100001800c00a03a03462081c7fc75d9ffffbf", @ANYRESDEC, @ANYRES64], 0x40}, 0x1, 0x0, 0x0, 0x4008000}, 0x44040) sendto$inet6(r2, &(0x7f0000847fff)='X', 0x34000, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) 18:00:39 executing program 1: prlimit64(0x0, 0xe, &(0x7f0000000140)={0x8, 0x8b}, 0x0) sched_setscheduler(0x0, 0x2, &(0x7f0000000080)=0x8) r0 = getpid() sched_setscheduler(r0, 0x1, &(0x7f0000001700)) socketpair$unix(0x1, 0x2, 0x0, &(0x7f0000000200)={0xffffffffffffffff, 0xffffffffffffffff}) connect$unix(r1, &(0x7f000057eff8)=@abs, 0x6e) sendmmsg$unix(r2, &(0x7f00000bd000), 0x318, 0x0) recvmmsg(r1, &(0x7f00000000c0), 0x10106, 0x2, 0x0) r3 = openat$loop_ctrl(0xffffff9c, &(0x7f0000000040), 0x0, 0x0) sendmmsg(r2, &(0x7f0000000fc0)=[{{&(0x7f0000000240)=@l2tp={0x2, 0x0, @loopback, 0x1}, 0x80, 0x0, 0x2b}}, {{0x0, 0x0, 0x0}}], 0x2, 0x440c4) r4 = getpid() tkill(r4, 0x0) sched_setaffinity(r4, 0x8, &(0x7f0000000000)=0x96f) ioctl$LOOP_CTL_ADD(r3, 0x4c80, 0x0) ioctl$LOOP_CTL_REMOVE(r3, 0x4c81, 0x0) 18:00:39 executing program 2: r0 = syz_open_dev$sndmidi(&(0x7f0000000040), 0x2, 0x141101) r1 = dup(r0) write$6lowpan_enable(r1, &(0x7f0000000000)='0', 0xfffffd2c) r2 = socket$inet6_sctp(0xa, 0x5, 0x84) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r2, 0x84, 0x9, &(0x7f0000000580)={0x0, @in={{0x2, 0x0, @empty}}, 0x0, 0x0, 0x3fc, 0x0, 0x32}, 0x9c) sendmsg$nl_route(0xffffffffffffffff, &(0x7f0000000980)={&(0x7f0000000440)={0x10, 0x0, 0x0, 0x10000000}, 0xc, &(0x7f0000000740)={&(0x7f0000000d00)=ANY=[@ANYBLOB="86f2407d8a204caf80b640e69a13fefeff6f0000042ba98cfcfccd470037369314427ebd70000000000000000000000000000000cdfb0fa21b95f8072c528f2858315775d7552e", @ANYRES32=0x0, @ANYBLOB="0c943d0559ff0600ff0000000c00018005000600c0000000100001800c00a03a03462081c7fc75d9ffffbf", @ANYRESDEC, @ANYRES64], 0x40}, 0x1, 0x0, 0x0, 0x4008000}, 0x44040) sendto$inet6(r2, &(0x7f0000847fff)='X', 0x34000, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) 18:00:39 executing program 5: prctl$PR_SCHED_CORE(0x3e, 0x1, 0x0, 0x2, 0x0) r0 = syz_open_dev$sndmidi(&(0x7f0000000040), 0x2, 0x141101) r1 = dup(r0) write$6lowpan_enable(r1, &(0x7f0000000000)='0', 0xfffffd2c) getpid() tkill(0x0, 0x0) syz_open_procfs(0x0, &(0x7f0000000080)='net/dev\x00') r2 = socket$inet6_sctp(0xa, 0x5, 0x84) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r2, 0x84, 0x9, &(0x7f0000000580)={0x0, @in={{0x2, 0x0, @empty}}, 0x0, 0x0, 0x3fc, 0x0, 0x32}, 0x9c) sendmsg$nl_route(0xffffffffffffffff, &(0x7f0000000980)={&(0x7f0000000440)={0x10, 0x0, 0x0, 0x10000000}, 0xc, &(0x7f0000000740)={&(0x7f0000000d00)=ANY=[@ANYBLOB="86f2407d8a204caf80b640e69a13fefeff6f0000042ba98cfcfccd470037369314427ebd70000000000000000000000000000000cdfb0fa21b95f8072c528f2858315775d7552e", @ANYRES32=0x0, @ANYBLOB="0c943d0559ff0600ff0000000c00018005000600c0000000100001800c00a03a03462081c7fc75d9ffffbf", @ANYRESDEC, @ANYRES64], 0x40}, 0x1, 0x0, 0x0, 0x4008000}, 0x44040) bind$packet(0xffffffffffffffff, &(0x7f0000000140)={0x11, 0xf0, 0x0, 0x1, 0x0, 0x6, @multicast}, 0x14) close_range(0xffffffffffffffff, 0xffffffffffffffff, 0x2) sendto$inet6(r2, &(0x7f0000847fff)='X', 0x34000, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) 18:00:39 executing program 3: prlimit64(0x0, 0xe, &(0x7f0000000140)={0x8, 0x8b}, 0x0) sched_setscheduler(0x0, 0x2, &(0x7f0000000080)=0x8) r0 = getpid() sched_setscheduler(r0, 0x1, &(0x7f0000001700)=0x4) socketpair$unix(0x1, 0x2, 0x0, &(0x7f0000000200)={0xffffffffffffffff, 0xffffffffffffffff}) recvmmsg(r1, &(0x7f00000000c0), 0x10106, 0x2, 0x0) r3 = openat$loop_ctrl(0xffffff9c, 0x0, 0x0, 0x0) sendmmsg(r2, 0x0, 0x0, 0x0) r4 = getpid() sched_setaffinity(r4, 0x8, &(0x7f0000000000)=0x96f) ioctl$LOOP_CTL_ADD(r3, 0x4c80, 0x0) ioctl$LOOP_CTL_REMOVE(r3, 0x4c81, 0x0) 18:00:40 executing program 4: prctl$PR_SCHED_CORE(0x3e, 0x1, 0x0, 0x2, 0x0) r0 = syz_open_dev$sndmidi(&(0x7f0000000040), 0x2, 0x141101) r1 = dup(r0) write$6lowpan_enable(r1, &(0x7f0000000000)='0', 0xfffffd2c) tkill(0x0, 0x0) syz_open_procfs(0x0, 0x0) r2 = socket$inet6_sctp(0xa, 0x5, 0x84) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r2, 0x84, 0x9, &(0x7f0000000580)={0x0, @in={{0x2, 0x0, @empty}}, 0x0, 0x0, 0x3fc, 0x0, 0x32}, 0x9c) bind$packet(0xffffffffffffffff, &(0x7f0000000140)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @multicast}, 0x14) close_range(0xffffffffffffffff, 0xffffffffffffffff, 0x0) sendto$inet6(r2, &(0x7f0000847fff)='X', 0x1, 0x0, 0x0, 0x0) 18:00:40 executing program 4: prctl$PR_SCHED_CORE(0x3e, 0x1, 0x0, 0x2, 0x0) r0 = syz_open_dev$sndmidi(&(0x7f0000000040), 0x2, 0x141101) r1 = dup(r0) write$6lowpan_enable(r1, &(0x7f0000000000)='0', 0xfffffd2c) tkill(0x0, 0x0) syz_open_procfs(0x0, 0x0) r2 = socket$inet6_sctp(0xa, 0x5, 0x84) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r2, 0x84, 0x9, &(0x7f0000000580)={0x0, @in={{0x2, 0x0, @empty}}, 0x0, 0x0, 0x3fc, 0x0, 0x32}, 0x9c) bind$packet(0xffffffffffffffff, &(0x7f0000000140)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @multicast}, 0x14) close_range(0xffffffffffffffff, 0xffffffffffffffff, 0x0) sendto$inet6(r2, &(0x7f0000847fff)='X', 0x1, 0x0, 0x0, 0x0) 18:00:40 executing program 0: prctl$PR_SCHED_CORE(0x3e, 0x1, 0x0, 0x2, 0x0) r0 = syz_open_dev$sndmidi(&(0x7f0000000040), 0x2, 0x141101) r1 = dup(r0) write$6lowpan_enable(r1, &(0x7f0000000000)='0', 0xfffffd2c) tkill(0x0, 0x0) syz_open_procfs(0x0, 0x0) r2 = socket$inet6_sctp(0xa, 0x5, 0x84) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r2, 0x84, 0x9, &(0x7f0000000580)={0x0, @in={{0x2, 0x0, @empty}}, 0x0, 0x0, 0x3fc, 0x0, 0x32}, 0x9c) bind$packet(0xffffffffffffffff, &(0x7f0000000140)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @multicast}, 0x14) close_range(0xffffffffffffffff, 0xffffffffffffffff, 0x0) sendto$inet6(r2, &(0x7f0000847fff)='X', 0x1, 0x0, 0x0, 0x0) 18:00:40 executing program 4: prctl$PR_SCHED_CORE(0x3e, 0x1, 0x0, 0x2, 0x0) r0 = syz_open_dev$sndmidi(&(0x7f0000000040), 0x2, 0x141101) r1 = dup(r0) write$6lowpan_enable(r1, &(0x7f0000000000)='0', 0xfffffd2c) tkill(0x0, 0x0) syz_open_procfs(0x0, 0x0) r2 = socket$inet6_sctp(0xa, 0x5, 0x84) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r2, 0x84, 0x9, &(0x7f0000000580)={0x0, @in={{0x2, 0x0, @empty}}, 0x0, 0x0, 0x3fc, 0x0, 0x32}, 0x9c) bind$packet(0xffffffffffffffff, &(0x7f0000000140)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @multicast}, 0x14) close_range(0xffffffffffffffff, 0xffffffffffffffff, 0x0) sendto$inet6(r2, &(0x7f0000847fff)='X', 0x1, 0x0, 0x0, 0x0) 18:00:40 executing program 0: prctl$PR_SCHED_CORE(0x3e, 0x1, 0x0, 0x2, 0x0) r0 = syz_open_dev$sndmidi(0x0, 0x2, 0x141101) r1 = dup(r0) write$6lowpan_enable(r1, &(0x7f0000000000)='0', 0xfffffd2c) syz_open_procfs(0x0, &(0x7f0000000080)='net/dev\x00') r2 = socket$inet6_sctp(0xa, 0x5, 0x84) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r2, 0x84, 0x9, &(0x7f0000000580)={0x0, @in={{0x2, 0x0, @empty}}, 0x0, 0x0, 0x3fc, 0x0, 0x32}, 0x9c) bind$inet6(0xffffffffffffffff, &(0x7f00004b8fe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) sendmsg$nl_route(0xffffffffffffffff, &(0x7f0000000980)={0x0, 0x0, &(0x7f0000000740)={&(0x7f0000000d00)=ANY=[@ANYBLOB="86f2407d8a204caf80b640e69a13fefeff6f0000042ba98cfcfccd470037369314427ebd70000000000000000000000000000000cdfb0fa21b95f8072c528f2858315775d7552e", @ANYRES32=0x0, @ANYBLOB="0c943d0559ff0600ff0000000c00018005000600c0000000100001800c00a03a03462081c7fc75d9ffffbf", @ANYRESDEC, @ANYRES64], 0x40}, 0x1, 0x0, 0x0, 0x4008000}, 0x44040) bind$packet(0xffffffffffffffff, &(0x7f0000000140)={0x11, 0xf0, 0x0, 0x1, 0x0, 0x6, @multicast}, 0x14) close_range(0xffffffffffffffff, 0xffffffffffffffff, 0x2) sendto$inet6(r2, &(0x7f0000847fff)='X', 0x34000, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) 18:00:40 executing program 3: prlimit64(0x0, 0xe, &(0x7f0000000140)={0x8, 0x8b}, 0x0) sched_setscheduler(0x0, 0x2, &(0x7f0000000080)=0x8) r0 = getpid() sched_setscheduler(r0, 0x1, &(0x7f0000001700)=0x4) socketpair$unix(0x1, 0x2, 0x0, &(0x7f0000000200)={0xffffffffffffffff, 0xffffffffffffffff}) recvmmsg(r1, &(0x7f00000000c0), 0x10106, 0x2, 0x0) r3 = openat$loop_ctrl(0xffffff9c, 0x0, 0x0, 0x0) sendmmsg(r2, 0x0, 0x0, 0x0) r4 = getpid() sched_setaffinity(r4, 0x8, &(0x7f0000000000)=0x96f) ioctl$LOOP_CTL_ADD(r3, 0x4c80, 0x0) ioctl$LOOP_CTL_REMOVE(r3, 0x4c81, 0x0) 18:00:40 executing program 4: prctl$PR_SCHED_CORE(0x3e, 0x1, 0x0, 0x2, 0x0) r0 = syz_open_dev$sndmidi(&(0x7f0000000040), 0x2, 0x141101) r1 = dup(r0) write$6lowpan_enable(r1, &(0x7f0000000000)='0', 0xfffffd2c) tkill(0x0, 0x0) syz_open_procfs(0x0, 0x0) r2 = socket$inet6_sctp(0xa, 0x5, 0x84) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r2, 0x84, 0x9, &(0x7f0000000580)={0x0, @in={{0x2, 0x0, @empty}}, 0x0, 0x0, 0x3fc, 0x0, 0x32}, 0x9c) bind$packet(0xffffffffffffffff, &(0x7f0000000140)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @multicast}, 0x14) close_range(0xffffffffffffffff, 0xffffffffffffffff, 0x0) sendto$inet6(r2, &(0x7f0000847fff)='X', 0x34000, 0x0, &(0x7f000005ffe4)={0xa, 0x0, 0x0, @loopback}, 0x1c) 18:00:40 executing program 2: prlimit64(0x0, 0xe, &(0x7f0000000140)={0x8, 0x8b}, 0x0) sched_setscheduler(0x0, 0x2, &(0x7f0000000080)=0x8) r0 = getpid() sched_setscheduler(r0, 0x1, 0x0) socketpair$unix(0x1, 0x2, 0x0, &(0x7f0000000200)={0xffffffffffffffff, 0xffffffffffffffff}) connect$unix(r1, &(0x7f000057eff8)=@abs, 0x6e) sendmmsg$unix(r2, &(0x7f00000bd000), 0x318, 0x0) recvmmsg(r1, &(0x7f00000000c0), 0x10106, 0x2, 0x0) r3 = openat$loop_ctrl(0xffffff9c, &(0x7f0000000040), 0x0, 0x0) sendmmsg(r2, &(0x7f0000000fc0)=[{{&(0x7f0000000240)=@l2tp={0x2, 0x0, @loopback, 0x1}, 0x80, 0x0, 0x2b}}, {{0x0, 0x0, 0x0}}], 0x2, 0x440c4) r4 = getpid() tkill(r4, 0x0) sched_setaffinity(r4, 0x8, &(0x7f0000000000)=0x96f) ioctl$LOOP_CTL_ADD(r3, 0x4c80, 0x0) ioctl$LOOP_CTL_REMOVE(r3, 0x4c81, 0x0) 18:00:41 executing program 1: prlimit64(0x0, 0xe, &(0x7f0000000140)={0x8, 0x8b}, 0x0) sched_setscheduler(0x0, 0x2, &(0x7f0000000080)=0x8) r0 = getpid() sched_setscheduler(r0, 0x1, &(0x7f0000001700)) socketpair$unix(0x1, 0x2, 0x0, &(0x7f0000000200)={0xffffffffffffffff, 0xffffffffffffffff}) connect$unix(r1, &(0x7f000057eff8)=@abs, 0x6e) sendmmsg$unix(r2, &(0x7f00000bd000), 0x318, 0x0) recvmmsg(r1, &(0x7f00000000c0), 0x10106, 0x2, 0x0) r3 = openat$loop_ctrl(0xffffff9c, &(0x7f0000000040), 0x0, 0x0) sendmmsg(r2, &(0x7f0000000fc0)=[{{&(0x7f0000000240)=@l2tp={0x2, 0x0, @loopback, 0x1}, 0x80, 0x0, 0x2b}}, {{0x0, 0x0, 0x0}}], 0x2, 0x440c4) r4 = getpid() tkill(r4, 0x0) sched_setaffinity(r4, 0x8, &(0x7f0000000000)=0x96f) ioctl$LOOP_CTL_ADD(r3, 0x4c80, 0x0) ioctl$LOOP_CTL_REMOVE(r3, 0x4c81, 0x0) 18:00:41 executing program 5: prlimit64(0x0, 0xe, &(0x7f0000000140)={0x8, 0x8b}, 0x0) sched_setscheduler(0x0, 0x2, &(0x7f0000000080)=0x8) r0 = getpid() sched_setscheduler(r0, 0x1, 0x0) socketpair$unix(0x1, 0x2, 0x0, &(0x7f0000000200)={0xffffffffffffffff, 0xffffffffffffffff}) connect$unix(r1, &(0x7f000057eff8)=@abs, 0x6e) sendmmsg$unix(r2, &(0x7f00000bd000), 0x318, 0x0) recvmmsg(r1, &(0x7f00000000c0), 0x10106, 0x2, 0x0) r3 = openat$loop_ctrl(0xffffff9c, &(0x7f0000000040), 0x0, 0x0) sendmmsg(r2, &(0x7f0000000fc0)=[{{&(0x7f0000000240)=@l2tp={0x2, 0x0, @loopback, 0x1}, 0x80, 0x0, 0x2b}}, {{0x0, 0x0, 0x0}}], 0x2, 0x440c4) r4 = getpid() tkill(r4, 0x0) sched_setaffinity(r4, 0x8, &(0x7f0000000000)=0x96f) ioctl$LOOP_CTL_ADD(r3, 0x4c80, 0x0) ioctl$LOOP_CTL_REMOVE(r3, 0x4c81, 0x0) 18:00:41 executing program 0: prctl$PR_SCHED_CORE(0x3e, 0x1, 0x0, 0x2, 0x0) r0 = syz_open_dev$sndmidi(0x0, 0x2, 0x141101) r1 = dup(r0) write$6lowpan_enable(r1, &(0x7f0000000000)='0', 0xfffffd2c) syz_open_procfs(0x0, &(0x7f0000000080)='net/dev\x00') r2 = socket$inet6_sctp(0xa, 0x5, 0x84) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r2, 0x84, 0x9, &(0x7f0000000580)={0x0, @in={{0x2, 0x0, @empty}}, 0x0, 0x0, 0x3fc, 0x0, 0x32}, 0x9c) bind$inet6(0xffffffffffffffff, &(0x7f00004b8fe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) sendmsg$nl_route(0xffffffffffffffff, &(0x7f0000000980)={0x0, 0x0, &(0x7f0000000740)={&(0x7f0000000d00)=ANY=[@ANYBLOB="86f2407d8a204caf80b640e69a13fefeff6f0000042ba98cfcfccd470037369314427ebd70000000000000000000000000000000cdfb0fa21b95f8072c528f2858315775d7552e", @ANYRES32=0x0, @ANYBLOB="0c943d0559ff0600ff0000000c00018005000600c0000000100001800c00a03a03462081c7fc75d9ffffbf", @ANYRESDEC, @ANYRES64], 0x40}, 0x1, 0x0, 0x0, 0x4008000}, 0x44040) bind$packet(0xffffffffffffffff, &(0x7f0000000140)={0x11, 0xf0, 0x0, 0x1, 0x0, 0x6, @multicast}, 0x14) close_range(0xffffffffffffffff, 0xffffffffffffffff, 0x2) sendto$inet6(r2, &(0x7f0000847fff)='X', 0x34000, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) 18:00:41 executing program 3: prlimit64(0x0, 0xe, &(0x7f0000000140)={0x8, 0x8b}, 0x0) sched_setscheduler(0x0, 0x2, &(0x7f0000000080)=0x8) r0 = getpid() sched_setscheduler(r0, 0x1, &(0x7f0000001700)=0x4) socketpair$unix(0x1, 0x2, 0x0, &(0x7f0000000200)={0xffffffffffffffff, 0xffffffffffffffff}) recvmmsg(r1, &(0x7f00000000c0), 0x10106, 0x2, 0x0) r3 = openat$loop_ctrl(0xffffff9c, 0x0, 0x0, 0x0) sendmmsg(r2, 0x0, 0x0, 0x0) r4 = getpid() sched_setaffinity(r4, 0x8, &(0x7f0000000000)=0x96f) ioctl$LOOP_CTL_ADD(r3, 0x4c80, 0x0) ioctl$LOOP_CTL_REMOVE(r3, 0x4c81, 0x0) 18:00:41 executing program 4: prctl$PR_SCHED_CORE(0x3e, 0x1, 0x0, 0x2, 0x0) r0 = syz_open_dev$sndmidi(&(0x7f0000000040), 0x2, 0x141101) r1 = dup(r0) write$6lowpan_enable(r1, &(0x7f0000000000)='0', 0xfffffd2c) tkill(0x0, 0x0) syz_open_procfs(0x0, 0x0) r2 = socket$inet6_sctp(0xa, 0x5, 0x84) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r2, 0x84, 0x9, &(0x7f0000000580)={0x0, @in={{0x2, 0x0, @empty}}, 0x0, 0x0, 0x3fc, 0x0, 0x32}, 0x9c) bind$packet(0xffffffffffffffff, &(0x7f0000000140)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @multicast}, 0x14) close_range(0xffffffffffffffff, 0xffffffffffffffff, 0x0) sendto$inet6(r2, &(0x7f0000847fff)='X', 0x34000, 0x0, &(0x7f000005ffe4)={0xa, 0x0, 0x0, @loopback}, 0x1c) 18:00:41 executing program 0: prctl$PR_SCHED_CORE(0x3e, 0x1, 0x0, 0x2, 0x0) syz_open_dev$sndmidi(&(0x7f0000000040), 0x2, 0x141101) r0 = dup(0xffffffffffffffff) write$6lowpan_enable(r0, &(0x7f0000000000)='0', 0xfffffd2c) r1 = getpid() tkill(r1, 0x0) syz_open_procfs(r1, &(0x7f0000000080)='net/dev\x00') r2 = socket$inet6_sctp(0xa, 0x5, 0x84) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r2, 0x84, 0x9, &(0x7f0000000580)={0x0, @in={{0x2, 0x0, @empty}}, 0x0, 0x0, 0x3fc, 0x0, 0x32}, 0x9c) sendmsg$nl_route(0xffffffffffffffff, &(0x7f0000000980)={&(0x7f0000000440)={0x10, 0x0, 0x0, 0x10000000}, 0xc, &(0x7f0000000740)={&(0x7f0000000d00)=ANY=[@ANYBLOB="86f2407d8a204caf80b640e69a13fefeff6f0000042ba98cfcfccd470037369314427ebd70000000000000000000000000000000cdfb0fa21b95f8072c528f2858315775d7552e", @ANYRES32=0x0, @ANYBLOB="0c943d0559ff0600ff0000000c00018005000600c0000000100001800c00a03a03462081c7fc75d9ffffbf", @ANYRESDEC, @ANYRES64], 0x40}, 0x1, 0x0, 0x0, 0x4008000}, 0x44040) bind$packet(0xffffffffffffffff, &(0x7f0000000140)={0x11, 0xf0, 0x0, 0x1, 0x0, 0x6, @multicast}, 0x14) close_range(0xffffffffffffffff, 0xffffffffffffffff, 0x2) sendto$inet6(r2, &(0x7f0000847fff)='X', 0x34000, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) 18:00:42 executing program 0: prctl$PR_SCHED_CORE(0x3e, 0x1, 0x0, 0x2, 0x0) r0 = syz_open_dev$sndmidi(0x0, 0x2, 0x141101) r1 = dup(r0) write$6lowpan_enable(r1, &(0x7f0000000000)='0', 0xfffffd2c) syz_open_procfs(0x0, &(0x7f0000000080)='net/dev\x00') r2 = socket$inet6_sctp(0xa, 0x5, 0x84) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r2, 0x84, 0x9, &(0x7f0000000580)={0x0, @in={{0x2, 0x0, @empty}}, 0x0, 0x0, 0x3fc, 0x0, 0x32}, 0x9c) bind$inet6(0xffffffffffffffff, &(0x7f00004b8fe4)={0xa, 0x0, 0x0, @loopback}, 0x1c) sendmsg$nl_route(0xffffffffffffffff, &(0x7f0000000980)={&(0x7f0000000440)={0x10, 0x0, 0x0, 0x10000000}, 0xc, &(0x7f0000000740)={&(0x7f0000000d00)=ANY=[@ANYBLOB="86f2407d8a204caf80b640e69a13fefeff6f0000042ba98cfcfccd470037369314427ebd70000000000000000000000000000000cdfb0fa21b95f8072c528f2858315775d7552e", @ANYRES32=0x0, @ANYBLOB="0c943d0559ff0600ff0000000c00018005000600c0000000100001800c00a03a03462081c7fc75d9ffffbf", @ANYRESDEC, @ANYRES64], 0x40}, 0x1, 0x0, 0x0, 0x4008000}, 0x44040) bind$packet(0xffffffffffffffff, &(0x7f0000000140)={0x11, 0xf0, 0x0, 0x1, 0x0, 0x6, @multicast}, 0x14) close_range(0xffffffffffffffff, 0xffffffffffffffff, 0x2) sendto$inet6(r2, &(0x7f0000847fff)='X', 0x34000, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) 18:00:42 executing program 0: prctl$PR_SCHED_CORE(0x3e, 0x1, 0x0, 0x2, 0x0) syz_open_dev$sndmidi(&(0x7f0000000040), 0x2, 0x141101) write$6lowpan_enable(0xffffffffffffffff, &(0x7f0000000000)='0', 0xfffffd2c) r0 = socket$inet6_sctp(0xa, 0x5, 0x84) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r0, 0x84, 0x9, &(0x7f0000000580)={0x0, @in={{0x2, 0x0, @empty}}, 0x0, 0x0, 0x3fc, 0x0, 0x32}, 0x9c) sendmsg$nl_route(0xffffffffffffffff, &(0x7f0000000980)={&(0x7f0000000440)={0x10, 0x0, 0x0, 0x10000000}, 0xc, &(0x7f0000000740)={&(0x7f0000000d00)=ANY=[@ANYBLOB="86f2407d8a204caf80b640e69a13fefeff6f0000042ba98cfcfccd470037369314427ebd70000000000000000000000000000000cdfb0fa21b95f8072c528f2858315775d7552e", @ANYRES32=0x0, @ANYBLOB="0c943d0559ff0600ff0000000c00018005000600c0000000100001800c00a03a03462081c7fc75d9ffffbf", @ANYRESDEC, @ANYRES64], 0x40}, 0x1, 0x0, 0x0, 0x4008000}, 0x44040) sendto$inet6(r0, &(0x7f0000847fff)='X', 0x34000, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) 18:00:42 executing program 3: prlimit64(0x0, 0xe, &(0x7f0000000140)={0x8, 0x8b}, 0x0) sched_setscheduler(0x0, 0x2, &(0x7f0000000080)=0x8) r0 = getpid() sched_setscheduler(r0, 0x1, &(0x7f0000001700)=0x4) socketpair$unix(0x1, 0x2, 0x0, &(0x7f0000000200)={0xffffffffffffffff}) recvmmsg(r1, &(0x7f00000000c0), 0x10106, 0x2, 0x0) r2 = openat$loop_ctrl(0xffffff9c, &(0x7f0000000040), 0x0, 0x0) sendmmsg(0xffffffffffffffff, 0x0, 0x0, 0x0) r3 = getpid() sched_setaffinity(r3, 0x8, &(0x7f0000000000)=0x96f) ioctl$LOOP_CTL_ADD(r2, 0x4c80, 0x0) ioctl$LOOP_CTL_REMOVE(r2, 0x4c81, 0x0) 18:00:42 executing program 2: prlimit64(0x0, 0xe, &(0x7f0000000140)={0x8, 0x8b}, 0x0) sched_setscheduler(0x0, 0x2, &(0x7f0000000080)=0x8) r0 = getpid() sched_setscheduler(r0, 0x1, 0x0) socketpair$unix(0x1, 0x2, 0x0, &(0x7f0000000200)={0xffffffffffffffff, 0xffffffffffffffff}) connect$unix(r1, &(0x7f000057eff8)=@abs, 0x6e) sendmmsg$unix(r2, &(0x7f00000bd000), 0x318, 0x0) recvmmsg(r1, &(0x7f00000000c0), 0x10106, 0x2, 0x0) r3 = openat$loop_ctrl(0xffffff9c, &(0x7f0000000040), 0x0, 0x0) sendmmsg(r2, &(0x7f0000000fc0)=[{{&(0x7f0000000240)=@l2tp={0x2, 0x0, @loopback, 0x1}, 0x80, 0x0, 0x2b}}, {{0x0, 0x0, 0x0}}], 0x2, 0x440c4) r4 = getpid() tkill(r4, 0x0) sched_setaffinity(r4, 0x8, &(0x7f0000000000)=0x96f) ioctl$LOOP_CTL_ADD(r3, 0x4c80, 0x0) ioctl$LOOP_CTL_REMOVE(r3, 0x4c81, 0x0) 18:00:42 executing program 4: prctl$PR_SCHED_CORE(0x3e, 0x1, 0x0, 0x2, 0x0) r0 = syz_open_dev$sndmidi(&(0x7f0000000040), 0x2, 0x141101) r1 = dup(r0) write$6lowpan_enable(r1, &(0x7f0000000000)='0', 0xfffffd2c) tkill(0x0, 0x0) syz_open_procfs(0x0, 0x0) r2 = socket$inet6_sctp(0xa, 0x5, 0x84) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r2, 0x84, 0x9, &(0x7f0000000580)={0x0, @in={{0x2, 0x0, @empty}}, 0x0, 0x0, 0x3fc, 0x0, 0x32}, 0x9c) bind$packet(0xffffffffffffffff, &(0x7f0000000140)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @multicast}, 0x14) close_range(0xffffffffffffffff, 0xffffffffffffffff, 0x0) sendto$inet6(r2, &(0x7f0000847fff)='X', 0x34000, 0x0, &(0x7f000005ffe4)={0xa, 0x0, 0x0, @loopback}, 0x1c) 18:00:42 executing program 0: prlimit64(0x0, 0xe, &(0x7f0000000140)={0x8, 0x8b}, 0x0) sched_setscheduler(0x0, 0x2, &(0x7f0000000080)=0x8) r0 = getpid() sched_setscheduler(r0, 0x1, 0x0) socketpair$unix(0x1, 0x2, 0x0, &(0x7f0000000200)={0xffffffffffffffff, 0xffffffffffffffff}) connect$unix(r1, &(0x7f000057eff8)=@abs, 0x6e) sendmmsg$unix(r2, &(0x7f00000bd000), 0x318, 0x0) recvmmsg(r1, &(0x7f00000000c0), 0x10106, 0x2, 0x0) r3 = openat$loop_ctrl(0xffffff9c, &(0x7f0000000040), 0x0, 0x0) sendmmsg(r2, &(0x7f0000000fc0)=[{{&(0x7f0000000240)=@l2tp={0x2, 0x0, @loopback, 0x1}, 0x80, 0x0, 0x2b}}, {{0x0, 0x0, 0x0}}], 0x2, 0x440c4) r4 = getpid() tkill(r4, 0x0) sched_setaffinity(r4, 0x8, &(0x7f0000000000)=0x96f) ioctl$LOOP_CTL_ADD(r3, 0x4c80, 0x0) ioctl$LOOP_CTL_REMOVE(r3, 0x4c81, 0x0) 18:00:44 executing program 1: prctl$PR_SCHED_CORE(0x3e, 0x1, 0x0, 0x2, 0x0) r0 = syz_open_dev$sndmidi(0x0, 0x2, 0x141101) r1 = dup(r0) write$6lowpan_enable(r1, &(0x7f0000000000)='0', 0xfffffd2c) syz_open_procfs(0x0, &(0x7f0000000080)='net/dev\x00') r2 = socket$inet6_sctp(0xa, 0x5, 0x84) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r2, 0x84, 0x9, &(0x7f0000000580)={0x0, @in={{0x2, 0x0, @empty}}, 0x0, 0x0, 0x3fc, 0x0, 0x32}, 0x9c) bind$inet6(0xffffffffffffffff, 0x0, 0x0) sendmsg$nl_route(0xffffffffffffffff, &(0x7f0000000980)={&(0x7f0000000440)={0x10, 0x0, 0x0, 0x10000000}, 0xc, &(0x7f0000000740)={&(0x7f0000000d00)=ANY=[@ANYBLOB="86f2407d8a204caf80b640e69a13fefeff6f0000042ba98cfcfccd470037369314427ebd70000000000000000000000000000000cdfb0fa21b95f8072c528f2858315775d7552e", @ANYRES32=0x0, @ANYBLOB="0c943d0559ff0600ff0000000c00018005000600c0000000100001800c00a03a03462081c7fc75d9ffffbf", @ANYRESDEC, @ANYRES64], 0x40}, 0x1, 0x0, 0x0, 0x4008000}, 0x44040) bind$packet(0xffffffffffffffff, &(0x7f0000000140)={0x11, 0xf0, 0x0, 0x1, 0x0, 0x6, @multicast}, 0x14) close_range(0xffffffffffffffff, 0xffffffffffffffff, 0x2) sendto$inet6(r2, &(0x7f0000847fff)='X', 0x34000, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) 18:00:44 executing program 3: prlimit64(0x0, 0xe, &(0x7f0000000140)={0x8, 0x8b}, 0x0) sched_setscheduler(0x0, 0x2, &(0x7f0000000080)=0x8) r0 = getpid() sched_setscheduler(r0, 0x1, &(0x7f0000001700)=0x4) socketpair$unix(0x1, 0x2, 0x0, &(0x7f0000000200)={0xffffffffffffffff}) recvmmsg(r1, &(0x7f00000000c0), 0x10106, 0x2, 0x0) r2 = openat$loop_ctrl(0xffffff9c, &(0x7f0000000040), 0x0, 0x0) sendmmsg(0xffffffffffffffff, 0x0, 0x0, 0x0) r3 = getpid() sched_setaffinity(r3, 0x8, &(0x7f0000000000)=0x96f) ioctl$LOOP_CTL_ADD(r2, 0x4c80, 0x0) ioctl$LOOP_CTL_REMOVE(r2, 0x4c81, 0x0) 18:00:44 executing program 4: prctl$PR_SCHED_CORE(0x3e, 0x1, 0x0, 0x2, 0x0) syz_open_dev$sndmidi(&(0x7f0000000040), 0x2, 0x141101) write$6lowpan_enable(0xffffffffffffffff, &(0x7f0000000000)='0', 0xfffffd2c) r0 = socket$inet6_sctp(0xa, 0x5, 0x84) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r0, 0x84, 0x9, &(0x7f0000000580)={0x0, @in={{0x2, 0x0, @empty}}, 0x0, 0x0, 0x3fc, 0x0, 0x32}, 0x9c) sendmsg$nl_route(0xffffffffffffffff, &(0x7f0000000980)={&(0x7f0000000440)={0x10, 0x0, 0x0, 0x10000000}, 0xc, &(0x7f0000000740)={&(0x7f0000000d00)=ANY=[@ANYBLOB="86f2407d8a204caf80b640e69a13fefeff6f0000042ba98cfcfccd470037369314427ebd70000000000000000000000000000000cdfb0fa21b95f8072c528f2858315775d7552e", @ANYRES32=0x0, @ANYBLOB="0c943d0559ff0600ff0000000c00018005000600c0000000100001800c00a03a03462081c7fc75d9ffffbf", @ANYRESDEC, @ANYRES64], 0x40}, 0x1, 0x0, 0x0, 0x4008000}, 0x44040) sendto$inet6(r0, &(0x7f0000847fff)='X', 0x34000, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) 18:00:44 executing program 5: prctl$PR_SCHED_CORE(0x3e, 0x1, 0x0, 0x2, 0x0) r0 = syz_open_dev$sndmidi(0x0, 0x2, 0x141101) r1 = dup(r0) write$6lowpan_enable(r1, &(0x7f0000000000)='0', 0xfffffd2c) syz_open_procfs(0x0, &(0x7f0000000080)='net/dev\x00') r2 = socket$inet6_sctp(0xa, 0x5, 0x84) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r2, 0x84, 0x9, &(0x7f0000000580)={0x0, @in={{0x2, 0x0, @empty}}, 0x0, 0x0, 0x3fc, 0x0, 0x32}, 0x9c) bind$inet6(0xffffffffffffffff, &(0x7f00004b8fe4)={0xa, 0x0, 0x0, @loopback}, 0x1c) sendmsg$nl_route(0xffffffffffffffff, &(0x7f0000000980)={&(0x7f0000000440)={0x10, 0x0, 0x0, 0x10000000}, 0xc, &(0x7f0000000740)={&(0x7f0000000d00)=ANY=[@ANYBLOB="86f2407d8a204caf80b640e69a13fefeff6f0000042ba98cfcfccd470037369314427ebd70000000000000000000000000000000cdfb0fa21b95f8072c528f2858315775d7552e", @ANYRES32=0x0, @ANYBLOB="0c943d0559ff0600ff0000000c00018005000600c0000000100001800c00a03a03462081c7fc75d9ffffbf", @ANYRESDEC, @ANYRES64], 0x40}, 0x1, 0x0, 0x0, 0x4008000}, 0x44040) bind$packet(0xffffffffffffffff, &(0x7f0000000140)={0x11, 0xf0, 0x0, 0x1, 0x0, 0x6, @multicast}, 0x14) close_range(0xffffffffffffffff, 0xffffffffffffffff, 0x2) sendto$inet6(r2, &(0x7f0000847fff)='X', 0x34000, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) 18:00:44 executing program 4: prctl$PR_SCHED_CORE(0x3e, 0x1, 0x0, 0x2, 0x0) r0 = syz_open_dev$sndmidi(&(0x7f0000000040), 0x2, 0x0) r1 = dup(r0) write$6lowpan_enable(r1, &(0x7f0000000000)='0', 0xfffffd2c) r2 = getpid() tkill(r2, 0x0) syz_open_procfs(r2, &(0x7f0000000080)='net/dev\x00') r3 = socket$inet6_sctp(0xa, 0x5, 0x84) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r3, 0x84, 0x9, &(0x7f0000000580)={0x0, @in={{0x2, 0x0, @empty}}, 0x0, 0x0, 0x3fc, 0x0, 0x32}, 0x9c) sendmsg$nl_route(0xffffffffffffffff, &(0x7f0000000980)={&(0x7f0000000440)={0x10, 0x0, 0x0, 0x10000000}, 0xc, &(0x7f0000000740)={&(0x7f0000000d00)=ANY=[@ANYBLOB="86f2407d8a204caf80b640e69a13fefeff6f0000042ba98cfcfccd470037369314427ebd70000000000000000000000000000000cdfb0fa21b95f8072c528f2858315775d7552e", @ANYRES32=0x0, @ANYBLOB="0c943d0559ff0600ff0000000c00018005000600c0000000100001800c00a03a03462081c7fc75d9ffffbf", @ANYRESDEC, @ANYRES64], 0x40}, 0x1, 0x0, 0x0, 0x4008000}, 0x44040) bind$packet(0xffffffffffffffff, &(0x7f0000000140)={0x11, 0xf0, 0x0, 0x1, 0x0, 0x6, @multicast}, 0x14) close_range(0xffffffffffffffff, 0xffffffffffffffff, 0x2) sendto$inet6(r3, &(0x7f0000847fff)='X', 0x34000, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) 18:00:44 executing program 1: prlimit64(0x0, 0xe, &(0x7f0000000140)={0x8, 0x8b}, 0x0) sched_setscheduler(0x0, 0x2, &(0x7f0000000080)=0x8) r0 = getpid() sched_setscheduler(r0, 0x0, &(0x7f0000001700)=0x4) socketpair$unix(0x1, 0x2, 0x0, &(0x7f0000000200)={0xffffffffffffffff, 0xffffffffffffffff}) connect$unix(r1, &(0x7f000057eff8)=@abs, 0x6e) sendmmsg$unix(r2, &(0x7f00000bd000), 0x318, 0x0) recvmmsg(r1, &(0x7f00000000c0), 0x10106, 0x2, 0x0) r3 = openat$loop_ctrl(0xffffff9c, &(0x7f0000000040), 0x0, 0x0) sendmmsg(r2, &(0x7f0000000fc0)=[{{&(0x7f0000000240)=@l2tp={0x2, 0x0, @loopback, 0x1}, 0x80, 0x0, 0x2b}}, {{0x0, 0x0, 0x0}}], 0x2, 0x440c4) r4 = getpid() tkill(r4, 0x0) sched_setaffinity(r4, 0x8, &(0x7f0000000000)=0x96f) ioctl$LOOP_CTL_ADD(r3, 0x4c80, 0x0) ioctl$LOOP_CTL_REMOVE(r3, 0x4c81, 0x0) 18:00:44 executing program 5: prctl$PR_SCHED_CORE(0x3e, 0x1, 0x0, 0x2, 0x0) r0 = syz_open_dev$sndmidi(0x0, 0x2, 0x141101) r1 = dup(r0) write$6lowpan_enable(r1, &(0x7f0000000000)='0', 0xfffffd2c) syz_open_procfs(0x0, &(0x7f0000000080)='net/dev\x00') r2 = socket$inet6_sctp(0xa, 0x5, 0x84) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r2, 0x84, 0x9, &(0x7f0000000580)={0x0, @in={{0x2, 0x0, @empty}}, 0x0, 0x0, 0x3fc, 0x0, 0x32}, 0x9c) bind$inet6(0xffffffffffffffff, &(0x7f00004b8fe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) sendmsg$nl_route(0xffffffffffffffff, &(0x7f0000000980)={&(0x7f0000000440)={0x10, 0x0, 0x0, 0x10000000}, 0xc, &(0x7f0000000740)={&(0x7f0000000d00)=ANY=[@ANYBLOB="86f2407d8a204caf80b640e69a13fefeff6f0000042ba98cfcfccd470037369314427ebd70000000000000000000000000000000cdfb0fa21b95f8072c528f2858315775d7552e", @ANYRES32=0x0, @ANYBLOB="0c943d0559ff0600ff0000000c00018005000600c0000000100001800c00a03a03462081c7fc75d9ffffbf", @ANYRESDEC, @ANYRES64], 0x40}, 0x1, 0x0, 0x0, 0x4008000}, 0x44040) bind$packet(0xffffffffffffffff, &(0x7f0000000140)={0x11, 0xf0, 0x0, 0x1, 0x0, 0x6, @multicast}, 0x14) close_range(0xffffffffffffffff, 0xffffffffffffffff, 0x2) sendto$inet6(r2, &(0x7f0000847fff)='X', 0x34000, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) 18:00:44 executing program 4: prctl$PR_SCHED_CORE(0x3e, 0x1, 0x0, 0x2, 0x0) r0 = syz_open_dev$sndmidi(&(0x7f0000000040), 0x2, 0x141101) r1 = dup(r0) write$6lowpan_enable(r1, &(0x7f0000000000)='0', 0xfffffd2c) r2 = socket$inet6_sctp(0xa, 0x5, 0x84) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r2, 0x84, 0x9, &(0x7f0000000580)={0x0, @in={{0x2, 0x0, @empty}}, 0x0, 0x0, 0x3fc, 0x0, 0x32}, 0x9c) sendmsg$nl_route(0xffffffffffffffff, &(0x7f0000000980)={&(0x7f0000000440)={0x10, 0x0, 0x0, 0x10000000}, 0xc, &(0x7f0000000740)={&(0x7f0000000d00)=ANY=[@ANYBLOB="86f2407d8a204caf80b640e69a13fefeff6f0000042ba98cfcfccd470037369314427ebd70000000000000000000000000000000cdfb0fa21b95f8072c528f2858315775d7552e", @ANYRES32=0x0, @ANYBLOB="0c943d0559ff0600ff0000000c00018005000600c0000000100001800c00a03a03462081c7fc75d9ffffbf", @ANYRESDEC, @ANYRES64], 0x40}, 0x1, 0x0, 0x0, 0x4008000}, 0x44040) sendto$inet6(r2, &(0x7f0000847fff)='X', 0x34000, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) 18:00:44 executing program 0: prlimit64(0x0, 0xe, &(0x7f0000000140)={0x8, 0x8b}, 0x0) sched_setscheduler(0x0, 0x2, &(0x7f0000000080)=0x8) r0 = getpid() sched_setscheduler(r0, 0x1, 0x0) socketpair$unix(0x1, 0x2, 0x0, &(0x7f0000000200)={0xffffffffffffffff, 0xffffffffffffffff}) connect$unix(r1, &(0x7f000057eff8)=@abs, 0x6e) sendmmsg$unix(r2, &(0x7f00000bd000), 0x318, 0x0) recvmmsg(r1, &(0x7f00000000c0), 0x10106, 0x2, 0x0) r3 = openat$loop_ctrl(0xffffff9c, &(0x7f0000000040), 0x0, 0x0) sendmmsg(r2, &(0x7f0000000fc0)=[{{&(0x7f0000000240)=@l2tp={0x2, 0x0, @loopback, 0x1}, 0x80, 0x0, 0x2b}}, {{0x0, 0x0, 0x0}}], 0x2, 0x440c4) r4 = getpid() tkill(r4, 0x0) sched_setaffinity(r4, 0x8, &(0x7f0000000000)=0x96f) ioctl$LOOP_CTL_ADD(r3, 0x4c80, 0x0) ioctl$LOOP_CTL_REMOVE(r3, 0x4c81, 0x0) 18:00:45 executing program 5: prctl$PR_SCHED_CORE(0x3e, 0x1, 0x0, 0x2, 0x0) r0 = syz_open_dev$sndmidi(&(0x7f0000000040), 0x0, 0x141101) r1 = dup(r0) write$6lowpan_enable(r1, &(0x7f0000000000)='0', 0xfffffd2c) r2 = getpid() tkill(r2, 0x0) syz_open_procfs(r2, &(0x7f0000000080)='net/dev\x00') r3 = socket$inet6_sctp(0xa, 0x5, 0x84) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r3, 0x84, 0x9, &(0x7f0000000580)={0x0, @in={{0x2, 0x0, @empty}}, 0x0, 0x0, 0x3fc, 0x0, 0x32}, 0x9c) sendmsg$nl_route(0xffffffffffffffff, &(0x7f0000000980)={&(0x7f0000000440)={0x10, 0x0, 0x0, 0x10000000}, 0xc, &(0x7f0000000740)={&(0x7f0000000d00)=ANY=[@ANYBLOB="86f2407d8a204caf80b640e69a13fefeff6f0000042ba98cfcfccd470037369314427ebd70000000000000000000000000000000cdfb0fa21b95f8072c528f2858315775d7552e", @ANYRES32=0x0, @ANYBLOB="0c943d0559ff0600ff0000000c00018005000600c0000000100001800c00a03a03462081c7fc75d9ffffbf", @ANYRESDEC, @ANYRES64], 0x40}, 0x1, 0x0, 0x0, 0x4008000}, 0x44040) bind$packet(0xffffffffffffffff, &(0x7f0000000140)={0x11, 0xf0, 0x0, 0x1, 0x0, 0x6, @multicast}, 0x14) close_range(0xffffffffffffffff, 0xffffffffffffffff, 0x2) sendto$inet6(r3, &(0x7f0000847fff)='X', 0x34000, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) 18:00:45 executing program 3: prlimit64(0x0, 0xe, &(0x7f0000000140)={0x8, 0x8b}, 0x0) sched_setscheduler(0x0, 0x2, &(0x7f0000000080)=0x8) r0 = getpid() sched_setscheduler(r0, 0x1, &(0x7f0000001700)=0x4) socketpair$unix(0x1, 0x2, 0x0, &(0x7f0000000200)={0xffffffffffffffff}) recvmmsg(r1, &(0x7f00000000c0), 0x10106, 0x2, 0x0) r2 = openat$loop_ctrl(0xffffff9c, &(0x7f0000000040), 0x0, 0x0) sendmmsg(0xffffffffffffffff, 0x0, 0x0, 0x0) r3 = getpid() sched_setaffinity(r3, 0x8, &(0x7f0000000000)=0x96f) ioctl$LOOP_CTL_ADD(r2, 0x4c80, 0x0) ioctl$LOOP_CTL_REMOVE(r2, 0x4c81, 0x0) 18:00:45 executing program 2: prctl$PR_SCHED_CORE(0x3e, 0x1, 0x0, 0x2, 0x0) r0 = syz_open_dev$sndmidi(0x0, 0x2, 0x141101) r1 = dup(r0) write$6lowpan_enable(r1, &(0x7f0000000000)='0', 0xfffffd2c) r2 = getpid() tkill(r2, 0x0) syz_open_procfs(r2, &(0x7f0000000080)='net/dev\x00') r3 = socket$inet6_sctp(0xa, 0x5, 0x84) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r3, 0x84, 0x9, &(0x7f0000000580)={0x0, @in={{0x2, 0x0, @empty}}, 0x0, 0x0, 0x3fc, 0x0, 0x32}, 0x9c) sendmsg$nl_route(0xffffffffffffffff, &(0x7f0000000980)={&(0x7f0000000440)={0x10, 0x0, 0x0, 0x10000000}, 0xc, &(0x7f0000000740)={&(0x7f0000000d00)=ANY=[@ANYBLOB="86f2407d8a204caf80b640e69a13fefeff6f0000042ba98cfcfccd470037369314427ebd70000000000000000000000000000000cdfb0fa21b95f8072c528f2858315775d7552e", @ANYRES32=0x0, @ANYBLOB="0c943d0559ff0600ff0000000c00018005000600c0000000100001800c00a03a03462081c7fc75d9ffffbf", @ANYRESDEC, @ANYRES64], 0x40}, 0x1, 0x0, 0x0, 0x4008000}, 0x44040) bind$packet(0xffffffffffffffff, &(0x7f0000000140)={0x11, 0xf0, 0x0, 0x1, 0x0, 0x6, @multicast}, 0x14) close_range(0xffffffffffffffff, 0xffffffffffffffff, 0x2) sendto$inet6(r3, &(0x7f0000847fff)='X', 0x34000, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) 18:00:45 executing program 5: prctl$PR_SCHED_CORE(0x3e, 0x1, 0x0, 0x0, 0x0) r0 = syz_open_dev$sndmidi(&(0x7f0000000040), 0x2, 0x141101) r1 = dup(r0) write$6lowpan_enable(r1, &(0x7f0000000000)='0', 0xfffffd2c) r2 = getpid() tkill(r2, 0x0) syz_open_procfs(r2, &(0x7f0000000080)='net/dev\x00') r3 = socket$inet6_sctp(0xa, 0x5, 0x84) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r3, 0x84, 0x9, &(0x7f0000000580)={0x0, @in={{0x2, 0x0, @empty}}, 0x0, 0x0, 0x3fc, 0x0, 0x32}, 0x9c) sendmsg$nl_route(0xffffffffffffffff, &(0x7f0000000980)={&(0x7f0000000440)={0x10, 0x0, 0x0, 0x10000000}, 0xc, &(0x7f0000000740)={&(0x7f0000000d00)=ANY=[@ANYBLOB="86f2407d8a204caf80b640e69a13fefeff6f0000042ba98cfcfccd470037369314427ebd70000000000000000000000000000000cdfb0fa21b95f8072c528f2858315775d7552e", @ANYRES32=0x0, @ANYBLOB="0c943d0559ff0600ff0000000c00018005000600c0000000100001800c00a03a03462081c7fc75d9ffffbf", @ANYRESDEC, @ANYRES64], 0x40}, 0x1, 0x0, 0x0, 0x4008000}, 0x44040) bind$packet(0xffffffffffffffff, &(0x7f0000000140)={0x11, 0xf0, 0x0, 0x1, 0x0, 0x6, @multicast}, 0x14) close_range(0xffffffffffffffff, 0xffffffffffffffff, 0x2) sendto$inet6(r3, &(0x7f0000847fff)='X', 0x34000, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) 18:00:45 executing program 2: prctl$PR_SCHED_CORE(0x3e, 0x1, 0x0, 0x2, 0x0) r0 = syz_open_dev$sndmidi(0x0, 0x2, 0x141101) r1 = dup(r0) write$6lowpan_enable(r1, &(0x7f0000000000)='0', 0xfffffd2c) syz_open_procfs(0x0, &(0x7f0000000080)='net/dev\x00') r2 = socket$inet6_sctp(0xa, 0x5, 0x84) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r2, 0x84, 0x9, &(0x7f0000000580)={0x0, @in={{0x2, 0x0, @empty}}, 0x0, 0x0, 0x0, 0x0, 0x32}, 0x9c) bind$inet6(r2, &(0x7f00004b8fe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) sendmsg$nl_route(0xffffffffffffffff, &(0x7f0000000980)={&(0x7f0000000440)={0x10, 0x0, 0x0, 0x10000000}, 0xc, &(0x7f0000000740)={&(0x7f0000000d00)=ANY=[@ANYBLOB="86f2407d8a204caf80b640e69a13fefeff6f0000042ba98cfcfccd470037369314427ebd70000000000000000000000000000000cdfb0fa21b95f8072c528f2858315775d7552e", @ANYRES32=0x0, @ANYBLOB="0c943d0559ff0600ff0000000c00018005000600c0000000100001800c00a03a03462081c7fc75d9ffffbf", @ANYRESDEC, @ANYRES64], 0x40}, 0x1, 0x0, 0x0, 0x4008000}, 0x44040) bind$packet(0xffffffffffffffff, &(0x7f0000000140)={0x11, 0xf0, 0x0, 0x1, 0x0, 0x6, @multicast}, 0x14) close_range(0xffffffffffffffff, 0xffffffffffffffff, 0x2) sendto$inet6(r2, &(0x7f0000847fff)='X', 0x34000, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) 18:00:45 executing program 2: prctl$PR_SCHED_CORE(0x3e, 0x1, 0x0, 0x2, 0x0) r0 = syz_open_dev$sndmidi(0x0, 0x2, 0x141101) r1 = dup(r0) write$6lowpan_enable(r1, &(0x7f0000000000)='0', 0xfffffd2c) syz_open_procfs(0x0, &(0x7f0000000080)='net/dev\x00') r2 = socket$inet6_sctp(0xa, 0x5, 0x84) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r2, 0x84, 0x9, 0x0, 0x0) bind$inet6(r2, &(0x7f00004b8fe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) sendmsg$nl_route(0xffffffffffffffff, &(0x7f0000000980)={&(0x7f0000000440)={0x10, 0x0, 0x0, 0x10000000}, 0xc, &(0x7f0000000740)={&(0x7f0000000d00)=ANY=[@ANYBLOB="86f2407d8a204caf80b640e69a13fefeff6f0000042ba98cfcfccd470037369314427ebd70000000000000000000000000000000cdfb0fa21b95f8072c528f2858315775d7552e", @ANYRES32=0x0, @ANYBLOB="0c943d0559ff0600ff0000000c00018005000600c0000000100001800c00a03a03462081c7fc75d9ffffbf", @ANYRESDEC, @ANYRES64], 0x40}, 0x1, 0x0, 0x0, 0x4008000}, 0x44040) bind$packet(0xffffffffffffffff, &(0x7f0000000140)={0x11, 0xf0, 0x0, 0x1, 0x0, 0x6, @multicast}, 0x14) close_range(0xffffffffffffffff, 0xffffffffffffffff, 0x2) sendto$inet6(r2, &(0x7f0000847fff)='X', 0x34000, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) 18:00:45 executing program 4: prctl$PR_SCHED_CORE(0x3e, 0x1, 0x0, 0x2, 0x0) r0 = syz_open_dev$sndmidi(0x0, 0x2, 0x141101) r1 = dup(r0) write$6lowpan_enable(r1, &(0x7f0000000000)='0', 0xfffffd2c) syz_open_procfs(0x0, &(0x7f0000000080)='net/dev\x00') r2 = socket$inet6_sctp(0xa, 0x5, 0x84) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r2, 0x84, 0x9, 0x0, 0x0) bind$inet6(r2, &(0x7f00004b8fe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) sendmsg$nl_route(0xffffffffffffffff, &(0x7f0000000980)={&(0x7f0000000440)={0x10, 0x0, 0x0, 0x10000000}, 0xc, &(0x7f0000000740)={&(0x7f0000000d00)=ANY=[@ANYBLOB="86f2407d8a204caf80b640e69a13fefeff6f0000042ba98cfcfccd470037369314427ebd70000000000000000000000000000000cdfb0fa21b95f8072c528f2858315775d7552e", @ANYRES32=0x0, @ANYBLOB="0c943d0559ff0600ff0000000c00018005000600c0000000100001800c00a03a03462081c7fc75d9ffffbf", @ANYRESDEC, @ANYRES64], 0x40}, 0x1, 0x0, 0x0, 0x4008000}, 0x44040) bind$packet(0xffffffffffffffff, &(0x7f0000000140)={0x11, 0xf0, 0x0, 0x1, 0x0, 0x6, @multicast}, 0x14) close_range(0xffffffffffffffff, 0xffffffffffffffff, 0x2) sendto$inet6(r2, &(0x7f0000847fff)='X', 0x34000, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) 18:00:45 executing program 2: prctl$PR_SCHED_CORE(0x3e, 0x1, 0x0, 0x2, 0x0) r0 = syz_open_dev$sndmidi(&(0x7f0000000040), 0x2, 0x141101) r1 = dup(r0) write$6lowpan_enable(r1, &(0x7f0000000000)='0', 0xfffffd2c) getpid() r2 = socket$inet6_sctp(0xa, 0x5, 0x84) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r2, 0x84, 0x9, &(0x7f0000000580)={0x0, @in={{0x2, 0x0, @empty}}, 0x0, 0x0, 0x3fc, 0x0, 0x32}, 0x9c) sendmsg$nl_route(0xffffffffffffffff, &(0x7f0000000980)={&(0x7f0000000440)={0x10, 0x0, 0x0, 0x10000000}, 0xc, &(0x7f0000000740)={&(0x7f0000000d00)=ANY=[@ANYBLOB="86f2407d8a204caf80b640e69a13fefeff6f0000042ba98cfcfccd470037369314427ebd70000000000000000000000000000000cdfb0fa21b95f8072c528f2858315775d7552e", @ANYRES32=0x0, @ANYBLOB="0c943d0559ff0600ff0000000c00018005000600c0000000100001800c00a03a03462081c7fc75d9ffffbf", @ANYRESDEC, @ANYRES64], 0x40}, 0x1, 0x0, 0x0, 0x4008000}, 0x44040) sendto$inet6(r2, &(0x7f0000847fff)='X', 0x34000, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) 18:00:46 executing program 1: prctl$PR_SCHED_CORE(0x3e, 0x1, 0x0, 0x2, 0x0) r0 = syz_open_dev$sndmidi(0x0, 0x2, 0x141101) r1 = dup(r0) write$6lowpan_enable(r1, &(0x7f0000000000)='0', 0xfffffd2c) syz_open_procfs(0x0, &(0x7f0000000080)='net/dev\x00') r2 = socket$inet6_sctp(0xa, 0x5, 0x84) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(0xffffffffffffffff, 0x84, 0x9, &(0x7f0000000580)={0x0, @in={{0x2, 0x0, @empty}}, 0x0, 0x0, 0x3fc, 0x0, 0x32}, 0x9c) bind$inet6(r2, &(0x7f00004b8fe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) sendmsg$nl_route(0xffffffffffffffff, &(0x7f0000000980)={&(0x7f0000000440)={0x10, 0x0, 0x0, 0x10000000}, 0xc, &(0x7f0000000740)={&(0x7f0000000d00)=ANY=[@ANYBLOB="86f2407d8a204caf80b640e69a13fefeff6f0000042ba98cfcfccd470037369314427ebd70000000000000000000000000000000cdfb0fa21b95f8072c528f2858315775d7552e", @ANYRES32=0x0, @ANYBLOB="0c943d0559ff0600ff0000000c00018005000600c0000000100001800c00a03a03462081c7fc75d9ffffbf", @ANYRESDEC, @ANYRES64], 0x40}, 0x1, 0x0, 0x0, 0x4008000}, 0x44040) bind$packet(0xffffffffffffffff, &(0x7f0000000140)={0x11, 0xf0, 0x0, 0x1, 0x0, 0x6, @multicast}, 0x14) close_range(0xffffffffffffffff, 0xffffffffffffffff, 0x2) sendto$inet6(r2, &(0x7f0000847fff)='X', 0x34000, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) 18:00:46 executing program 3: prlimit64(0x0, 0xe, &(0x7f0000000140)={0x8, 0x8b}, 0x0) sched_setscheduler(0x0, 0x2, &(0x7f0000000080)=0x8) r0 = getpid() sched_setscheduler(r0, 0x1, &(0x7f0000001700)=0x4) socketpair$unix(0x1, 0x2, 0x0, &(0x7f0000000200)={0xffffffffffffffff, 0xffffffffffffffff}) recvmmsg(r1, &(0x7f00000000c0), 0x10106, 0x2, 0x0) r3 = openat$loop_ctrl(0xffffff9c, &(0x7f0000000040), 0x0, 0x0) sendmmsg(r2, 0x0, 0x0, 0x0) getpid() sched_setaffinity(0x0, 0x8, &(0x7f0000000000)=0x96f) ioctl$LOOP_CTL_ADD(r3, 0x4c80, 0x0) ioctl$LOOP_CTL_REMOVE(r3, 0x4c81, 0x0) 18:00:46 executing program 4: prctl$PR_SCHED_CORE(0x3e, 0x1, 0x0, 0x0, 0x0) r0 = syz_open_dev$sndmidi(&(0x7f0000000040), 0x2, 0x141101) r1 = dup(r0) write$6lowpan_enable(r1, &(0x7f0000000000)='0', 0xfffffd2c) r2 = getpid() tkill(r2, 0x0) syz_open_procfs(r2, &(0x7f0000000080)='net/dev\x00') r3 = socket$inet6_sctp(0xa, 0x5, 0x84) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r3, 0x84, 0x9, &(0x7f0000000580)={0x0, @in={{0x2, 0x0, @empty}}, 0x0, 0x0, 0x3fc, 0x0, 0x32}, 0x9c) sendmsg$nl_route(0xffffffffffffffff, &(0x7f0000000980)={&(0x7f0000000440)={0x10, 0x0, 0x0, 0x10000000}, 0xc, &(0x7f0000000740)={&(0x7f0000000d00)=ANY=[@ANYBLOB="86f2407d8a204caf80b640e69a13fefeff6f0000042ba98cfcfccd470037369314427ebd70000000000000000000000000000000cdfb0fa21b95f8072c528f2858315775d7552e", @ANYRES32=0x0, @ANYBLOB="0c943d0559ff0600ff0000000c00018005000600c0000000100001800c00a03a03462081c7fc75d9ffffbf", @ANYRESDEC, @ANYRES64], 0x40}, 0x1, 0x0, 0x0, 0x4008000}, 0x44040) bind$packet(0xffffffffffffffff, &(0x7f0000000140)={0x11, 0xf0, 0x0, 0x1, 0x0, 0x6, @multicast}, 0x14) close_range(0xffffffffffffffff, 0xffffffffffffffff, 0x2) sendto$inet6(r3, &(0x7f0000847fff)='X', 0x34000, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) 18:00:47 executing program 0: prctl$PR_SCHED_CORE(0x3e, 0x1, 0x0, 0x0, 0x0) r0 = syz_open_dev$sndmidi(&(0x7f0000000040), 0x2, 0x141101) r1 = dup(r0) write$6lowpan_enable(r1, &(0x7f0000000000)='0', 0xfffffd2c) r2 = getpid() tkill(r2, 0x0) syz_open_procfs(r2, &(0x7f0000000080)='net/dev\x00') r3 = socket$inet6_sctp(0xa, 0x5, 0x84) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r3, 0x84, 0x9, &(0x7f0000000580)={0x0, @in={{0x2, 0x0, @empty}}, 0x0, 0x0, 0x3fc, 0x0, 0x32}, 0x9c) sendmsg$nl_route(0xffffffffffffffff, &(0x7f0000000980)={&(0x7f0000000440)={0x10, 0x0, 0x0, 0x10000000}, 0xc, &(0x7f0000000740)={&(0x7f0000000d00)=ANY=[@ANYBLOB="86f2407d8a204caf80b640e69a13fefeff6f0000042ba98cfcfccd470037369314427ebd70000000000000000000000000000000cdfb0fa21b95f8072c528f2858315775d7552e", @ANYRES32=0x0, @ANYBLOB="0c943d0559ff0600ff0000000c00018005000600c0000000100001800c00a03a03462081c7fc75d9ffffbf", @ANYRESDEC, @ANYRES64], 0x40}, 0x1, 0x0, 0x0, 0x4008000}, 0x44040) bind$packet(0xffffffffffffffff, &(0x7f0000000140)={0x11, 0xf0, 0x0, 0x1, 0x0, 0x6, @multicast}, 0x14) close_range(0xffffffffffffffff, 0xffffffffffffffff, 0x2) sendto$inet6(r3, &(0x7f0000847fff)='X', 0x34000, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) 18:00:47 executing program 1: prlimit64(0x0, 0xe, &(0x7f0000000140)={0x8, 0x8b}, 0x0) sched_setscheduler(0x0, 0x2, &(0x7f0000000080)=0x8) r0 = getpid() sched_setscheduler(r0, 0x0, &(0x7f0000001700)=0x4) socketpair$unix(0x1, 0x2, 0x0, &(0x7f0000000200)={0xffffffffffffffff, 0xffffffffffffffff}) connect$unix(r1, &(0x7f000057eff8)=@abs, 0x6e) sendmmsg$unix(r2, &(0x7f00000bd000), 0x318, 0x0) recvmmsg(r1, &(0x7f00000000c0), 0x10106, 0x2, 0x0) r3 = openat$loop_ctrl(0xffffff9c, &(0x7f0000000040), 0x0, 0x0) sendmmsg(r2, &(0x7f0000000fc0)=[{{&(0x7f0000000240)=@l2tp={0x2, 0x0, @loopback, 0x1}, 0x80, 0x0, 0x2b}}, {{0x0, 0x0, 0x0}}], 0x2, 0x440c4) r4 = getpid() tkill(r4, 0x0) sched_setaffinity(r4, 0x8, &(0x7f0000000000)=0x96f) ioctl$LOOP_CTL_ADD(r3, 0x4c80, 0x0) ioctl$LOOP_CTL_REMOVE(r3, 0x4c81, 0x0) 18:00:47 executing program 5: prctl$PR_SCHED_CORE(0x3e, 0x1, 0x0, 0x2, 0x0) r0 = syz_open_dev$sndmidi(0x0, 0x2, 0x141101) r1 = dup(r0) write$6lowpan_enable(r1, &(0x7f0000000000)='0', 0xfffffd2c) syz_open_procfs(0x0, &(0x7f0000000080)='net/dev\x00') r2 = socket$inet6_sctp(0xa, 0x5, 0x84) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(0xffffffffffffffff, 0x84, 0x9, &(0x7f0000000580)={0x0, @in={{0x2, 0x0, @empty}}, 0x0, 0x0, 0x3fc, 0x0, 0x32}, 0x9c) bind$inet6(r2, &(0x7f00004b8fe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) sendmsg$nl_route(0xffffffffffffffff, &(0x7f0000000980)={&(0x7f0000000440)={0x10, 0x0, 0x0, 0x10000000}, 0xc, &(0x7f0000000740)={&(0x7f0000000d00)=ANY=[@ANYBLOB="86f2407d8a204caf80b640e69a13fefeff6f0000042ba98cfcfccd470037369314427ebd70000000000000000000000000000000cdfb0fa21b95f8072c528f2858315775d7552e", @ANYRES32=0x0, @ANYBLOB="0c943d0559ff0600ff0000000c00018005000600c0000000100001800c00a03a03462081c7fc75d9ffffbf", @ANYRESDEC, @ANYRES64], 0x40}, 0x1, 0x0, 0x0, 0x4008000}, 0x44040) bind$packet(0xffffffffffffffff, &(0x7f0000000140)={0x11, 0xf0, 0x0, 0x1, 0x0, 0x6, @multicast}, 0x14) close_range(0xffffffffffffffff, 0xffffffffffffffff, 0x2) sendto$inet6(r2, &(0x7f0000847fff)='X', 0x34000, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) 18:00:47 executing program 2: prctl$PR_SCHED_CORE(0x3e, 0x1, 0x0, 0x2, 0x0) r0 = syz_open_dev$sndmidi(&(0x7f0000000040), 0x2, 0x141101) r1 = dup(r0) write$6lowpan_enable(r1, &(0x7f0000000000)='0', 0xfffffd2c) getpid() r2 = socket$inet6_sctp(0xa, 0x5, 0x84) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r2, 0x84, 0x9, &(0x7f0000000580)={0x0, @in={{0x2, 0x0, @empty}}, 0x0, 0x0, 0x3fc, 0x0, 0x32}, 0x9c) sendmsg$nl_route(0xffffffffffffffff, &(0x7f0000000980)={&(0x7f0000000440)={0x10, 0x0, 0x0, 0x10000000}, 0xc, &(0x7f0000000740)={&(0x7f0000000d00)=ANY=[@ANYBLOB="86f2407d8a204caf80b640e69a13fefeff6f0000042ba98cfcfccd470037369314427ebd70000000000000000000000000000000cdfb0fa21b95f8072c528f2858315775d7552e", @ANYRES32=0x0, @ANYBLOB="0c943d0559ff0600ff0000000c00018005000600c0000000100001800c00a03a03462081c7fc75d9ffffbf", @ANYRESDEC, @ANYRES64], 0x40}, 0x1, 0x0, 0x0, 0x4008000}, 0x44040) sendto$inet6(r2, &(0x7f0000847fff)='X', 0x34000, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) 18:00:47 executing program 3: prlimit64(0x0, 0xe, &(0x7f0000000140)={0x8, 0x8b}, 0x0) sched_setscheduler(0x0, 0x2, &(0x7f0000000080)=0x8) r0 = getpid() sched_setscheduler(r0, 0x1, &(0x7f0000001700)=0x4) socketpair$unix(0x1, 0x2, 0x0, &(0x7f0000000200)={0xffffffffffffffff, 0xffffffffffffffff}) recvmmsg(r1, &(0x7f00000000c0), 0x10106, 0x2, 0x0) r3 = openat$loop_ctrl(0xffffff9c, &(0x7f0000000040), 0x0, 0x0) sendmmsg(r2, 0x0, 0x0, 0x0) getpid() sched_setaffinity(0x0, 0x8, &(0x7f0000000000)=0x96f) ioctl$LOOP_CTL_ADD(r3, 0x4c80, 0x0) ioctl$LOOP_CTL_REMOVE(r3, 0x4c81, 0x0) 18:00:47 executing program 5: prctl$PR_SCHED_CORE(0x3e, 0x0, 0x0, 0x2, 0x0) r0 = syz_open_dev$sndmidi(&(0x7f0000000040), 0x2, 0x141101) r1 = dup(r0) write$6lowpan_enable(r1, &(0x7f0000000000)='0', 0xfffffd2c) r2 = getpid() tkill(r2, 0x0) syz_open_procfs(r2, &(0x7f0000000080)='net/dev\x00') r3 = socket$inet6_sctp(0xa, 0x5, 0x84) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r3, 0x84, 0x9, &(0x7f0000000580)={0x0, @in={{0x2, 0x0, @empty}}, 0x0, 0x0, 0x3fc, 0x0, 0x32}, 0x9c) sendmsg$nl_route(0xffffffffffffffff, &(0x7f0000000980)={&(0x7f0000000440)={0x10, 0x0, 0x0, 0x10000000}, 0xc, &(0x7f0000000740)={&(0x7f0000000d00)=ANY=[@ANYBLOB="86f2407d8a204caf80b640e69a13fefeff6f0000042ba98cfcfccd470037369314427ebd70000000000000000000000000000000cdfb0fa21b95f8072c528f2858315775d7552e", @ANYRES32=0x0, @ANYBLOB="0c943d0559ff0600ff0000000c00018005000600c0000000100001800c00a03a03462081c7fc75d9ffffbf", @ANYRESDEC, @ANYRES64], 0x40}, 0x1, 0x0, 0x0, 0x4008000}, 0x44040) bind$packet(0xffffffffffffffff, &(0x7f0000000140)={0x11, 0xf0, 0x0, 0x1, 0x0, 0x6, @multicast}, 0x14) close_range(0xffffffffffffffff, 0xffffffffffffffff, 0x2) sendto$inet6(r3, &(0x7f0000847fff)='X', 0x34000, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) 18:00:47 executing program 4: prctl$PR_SCHED_CORE(0x3e, 0x1, 0x0, 0x2, 0x0) r0 = syz_open_dev$sndmidi(&(0x7f0000000040), 0x2, 0x141101) r1 = dup(r0) write$6lowpan_enable(r1, &(0x7f0000000000)='0', 0xfffffd2c) r2 = getpid() tkill(r2, 0x0) r3 = socket$inet6_sctp(0xa, 0x5, 0x84) sendmsg$nl_route(0xffffffffffffffff, &(0x7f0000000980)={&(0x7f0000000440)={0x10, 0x0, 0x0, 0x10000000}, 0xc, &(0x7f0000000740)={&(0x7f0000000d00)=ANY=[@ANYBLOB="86f2407d8a204caf80b640e69a13fefeff6f0000042ba98cfcfccd470037369314427ebd70000000000000000000000000000000cdfb0fa21b95f8072c528f2858315775d7552e", @ANYRES32=0x0, @ANYBLOB="0c943d0559ff0600ff0000000c00018005000600c0000000100001800c00a03a03462081c7fc75d9ffffbf", @ANYRESDEC, @ANYRES64], 0x40}, 0x1, 0x0, 0x0, 0x4008000}, 0x44040) sendto$inet6(r3, &(0x7f0000847fff)='X', 0x34000, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) 18:00:47 executing program 3: prlimit64(0x0, 0xe, &(0x7f0000000140)={0x8, 0x8b}, 0x0) sched_setscheduler(0x0, 0x2, &(0x7f0000000080)=0x8) r0 = getpid() sched_setscheduler(r0, 0x1, &(0x7f0000001700)=0x4) socketpair$unix(0x1, 0x2, 0x0, &(0x7f0000000200)={0xffffffffffffffff, 0xffffffffffffffff}) recvmmsg(r1, &(0x7f00000000c0), 0x10106, 0x2, 0x0) r3 = openat$loop_ctrl(0xffffff9c, &(0x7f0000000040), 0x0, 0x0) sendmmsg(r2, 0x0, 0x0, 0x0) getpid() sched_setaffinity(0x0, 0x8, &(0x7f0000000000)=0x96f) ioctl$LOOP_CTL_ADD(r3, 0x4c80, 0x0) ioctl$LOOP_CTL_REMOVE(r3, 0x4c81, 0x0) 18:00:48 executing program 2: prctl$PR_SCHED_CORE(0x3e, 0x1, 0x0, 0x2, 0x0) r0 = syz_open_dev$sndmidi(&(0x7f0000000040), 0x2, 0x141101) r1 = dup(r0) write$6lowpan_enable(r1, &(0x7f0000000000)='0', 0xfffffd2c) getpid() r2 = socket$inet6_sctp(0xa, 0x5, 0x84) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r2, 0x84, 0x9, &(0x7f0000000580)={0x0, @in={{0x2, 0x0, @empty}}, 0x0, 0x0, 0x3fc, 0x0, 0x32}, 0x9c) sendmsg$nl_route(0xffffffffffffffff, &(0x7f0000000980)={&(0x7f0000000440)={0x10, 0x0, 0x0, 0x10000000}, 0xc, &(0x7f0000000740)={&(0x7f0000000d00)=ANY=[@ANYBLOB="86f2407d8a204caf80b640e69a13fefeff6f0000042ba98cfcfccd470037369314427ebd70000000000000000000000000000000cdfb0fa21b95f8072c528f2858315775d7552e", @ANYRES32=0x0, @ANYBLOB="0c943d0559ff0600ff0000000c00018005000600c0000000100001800c00a03a03462081c7fc75d9ffffbf", @ANYRESDEC, @ANYRES64], 0x40}, 0x1, 0x0, 0x0, 0x4008000}, 0x44040) sendto$inet6(r2, &(0x7f0000847fff)='X', 0x34000, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) 18:00:48 executing program 0: prctl$PR_SCHED_CORE(0x3e, 0x1, 0x0, 0x2, 0x0) r0 = syz_open_dev$sndmidi(0x0, 0x2, 0x141101) r1 = dup(r0) write$6lowpan_enable(r1, 0x0, 0x0) syz_open_procfs(0x0, &(0x7f0000000080)='net/dev\x00') r2 = socket$inet6_sctp(0xa, 0x5, 0x84) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r2, 0x84, 0x9, &(0x7f0000000580)={0x0, @in={{0x2, 0x0, @empty}}, 0x0, 0x0, 0x3fc, 0x0, 0x32}, 0x9c) bind$inet6(r2, &(0x7f00004b8fe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) sendmsg$nl_route(0xffffffffffffffff, &(0x7f0000000980)={&(0x7f0000000440)={0x10, 0x0, 0x0, 0x10000000}, 0xc, &(0x7f0000000740)={&(0x7f0000000d00)=ANY=[@ANYBLOB="86f2407d8a204caf80b640e69a13fefeff6f0000042ba98cfcfccd470037369314427ebd70000000000000000000000000000000cdfb0fa21b95f8072c528f2858315775d7552e", @ANYRES32=0x0, @ANYBLOB="0c943d0559ff0600ff0000000c00018005000600c0000000100001800c00a03a03462081c7fc75d9ffffbf", @ANYRESDEC, @ANYRES64], 0x40}, 0x1, 0x0, 0x0, 0x4008000}, 0x44040) bind$packet(0xffffffffffffffff, &(0x7f0000000140)={0x11, 0xf0, 0x0, 0x1, 0x0, 0x6, @multicast}, 0x14) close_range(0xffffffffffffffff, 0xffffffffffffffff, 0x2) sendto$inet6(r2, &(0x7f0000847fff)='X', 0x34000, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) 18:00:48 executing program 5: prctl$PR_SCHED_CORE(0x3e, 0x1, 0x0, 0x2, 0x0) r0 = syz_open_dev$sndmidi(0x0, 0x2, 0x141101) r1 = dup(r0) write$6lowpan_enable(r1, 0x0, 0x0) syz_open_procfs(0x0, &(0x7f0000000080)='net/dev\x00') r2 = socket$inet6_sctp(0xa, 0x5, 0x84) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r2, 0x84, 0x9, &(0x7f0000000580)={0x0, @in={{0x2, 0x0, @empty}}, 0x0, 0x0, 0x3fc, 0x0, 0x32}, 0x9c) bind$inet6(r2, &(0x7f00004b8fe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) sendmsg$nl_route(0xffffffffffffffff, &(0x7f0000000980)={&(0x7f0000000440)={0x10, 0x0, 0x0, 0x10000000}, 0xc, &(0x7f0000000740)={&(0x7f0000000d00)=ANY=[@ANYBLOB="86f2407d8a204caf80b640e69a13fefeff6f0000042ba98cfcfccd470037369314427ebd70000000000000000000000000000000cdfb0fa21b95f8072c528f2858315775d7552e", @ANYRES32=0x0, @ANYBLOB="0c943d0559ff0600ff0000000c00018005000600c0000000100001800c00a03a03462081c7fc75d9ffffbf", @ANYRESDEC, @ANYRES64], 0x40}, 0x1, 0x0, 0x0, 0x4008000}, 0x44040) bind$packet(0xffffffffffffffff, &(0x7f0000000140)={0x11, 0xf0, 0x0, 0x1, 0x0, 0x6, @multicast}, 0x14) close_range(0xffffffffffffffff, 0xffffffffffffffff, 0x2) sendto$inet6(r2, &(0x7f0000847fff)='X', 0x34000, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) 18:00:48 executing program 4: prctl$PR_SCHED_CORE(0x3e, 0x1, 0x0, 0x2, 0x0) r0 = syz_open_dev$sndmidi(0x0, 0x2, 0x141101) dup(r0) write$6lowpan_enable(0xffffffffffffffff, &(0x7f0000000000)='0', 0xfffffd2c) syz_open_procfs(0x0, &(0x7f0000000080)='net/dev\x00') r1 = socket$inet6_sctp(0xa, 0x5, 0x84) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r1, 0x84, 0x9, &(0x7f0000000580)={0x0, @in={{0x2, 0x0, @empty}}, 0x0, 0x0, 0x3fc, 0x0, 0x32}, 0x9c) bind$inet6(r1, &(0x7f00004b8fe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) sendmsg$nl_route(0xffffffffffffffff, &(0x7f0000000980)={&(0x7f0000000440)={0x10, 0x0, 0x0, 0x10000000}, 0xc, &(0x7f0000000740)={&(0x7f0000000d00)=ANY=[@ANYBLOB="86f2407d8a204caf80b640e69a13fefeff6f0000042ba98cfcfccd470037369314427ebd70000000000000000000000000000000cdfb0fa21b95f8072c528f2858315775d7552e", @ANYRES32=0x0, @ANYBLOB="0c943d0559ff0600ff0000000c00018005000600c0000000100001800c00a03a03462081c7fc75d9ffffbf", @ANYRESDEC, @ANYRES64], 0x40}, 0x1, 0x0, 0x0, 0x4008000}, 0x44040) bind$packet(0xffffffffffffffff, &(0x7f0000000140)={0x11, 0xf0, 0x0, 0x1, 0x0, 0x6, @multicast}, 0x14) close_range(0xffffffffffffffff, 0xffffffffffffffff, 0x2) sendto$inet6(r1, &(0x7f0000847fff)='X', 0x34000, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) 18:00:48 executing program 0: r0 = syz_open_dev$sndmidi(&(0x7f0000000040), 0x2, 0x141101) r1 = dup(r0) write$6lowpan_enable(r1, &(0x7f0000000000)='0', 0xfffffd2c) r2 = getpid() tkill(r2, 0x0) syz_open_procfs(r2, &(0x7f0000000080)='net/dev\x00') r3 = socket$inet6_sctp(0xa, 0x5, 0x84) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r3, 0x84, 0x9, &(0x7f0000000580)={0x0, @in={{0x2, 0x0, @empty}}, 0x0, 0x0, 0x3fc, 0x0, 0x32}, 0x9c) sendmsg$nl_route(0xffffffffffffffff, &(0x7f0000000980)={&(0x7f0000000440)={0x10, 0x0, 0x0, 0x10000000}, 0xc, &(0x7f0000000740)={&(0x7f0000000d00)=ANY=[@ANYBLOB="86f2407d8a204caf80b640e69a13fefeff6f0000042ba98cfcfccd470037369314427ebd70000000000000000000000000000000cdfb0fa21b95f8072c528f2858315775d7552e", @ANYRES32=0x0, @ANYBLOB="0c943d0559ff0600ff0000000c00018005000600c0000000100001800c00a03a03462081c7fc75d9ffffbf", @ANYRESDEC, @ANYRES64], 0x40}, 0x1, 0x0, 0x0, 0x4008000}, 0x44040) bind$packet(0xffffffffffffffff, &(0x7f0000000140)={0x11, 0xf0, 0x0, 0x1, 0x0, 0x6, @multicast}, 0x14) close_range(0xffffffffffffffff, 0xffffffffffffffff, 0x2) sendto$inet6(r3, &(0x7f0000847fff)='X', 0x34000, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) 18:00:49 executing program 1: prlimit64(0x0, 0xe, &(0x7f0000000140)={0x8, 0x8b}, 0x0) sched_setscheduler(0x0, 0x2, &(0x7f0000000080)=0x8) r0 = getpid() sched_setscheduler(r0, 0x0, &(0x7f0000001700)=0x4) socketpair$unix(0x1, 0x2, 0x0, &(0x7f0000000200)={0xffffffffffffffff, 0xffffffffffffffff}) connect$unix(r1, &(0x7f000057eff8)=@abs, 0x6e) sendmmsg$unix(r2, &(0x7f00000bd000), 0x318, 0x0) recvmmsg(r1, &(0x7f00000000c0), 0x10106, 0x2, 0x0) r3 = openat$loop_ctrl(0xffffff9c, &(0x7f0000000040), 0x0, 0x0) sendmmsg(r2, &(0x7f0000000fc0)=[{{&(0x7f0000000240)=@l2tp={0x2, 0x0, @loopback, 0x1}, 0x80, 0x0, 0x2b}}, {{0x0, 0x0, 0x0}}], 0x2, 0x440c4) r4 = getpid() tkill(r4, 0x0) sched_setaffinity(r4, 0x8, &(0x7f0000000000)=0x96f) ioctl$LOOP_CTL_ADD(r3, 0x4c80, 0x0) ioctl$LOOP_CTL_REMOVE(r3, 0x4c81, 0x0) 18:00:49 executing program 4: prctl$PR_SCHED_CORE(0x3e, 0x1, 0x0, 0x2, 0x0) r0 = syz_open_dev$sndmidi(0x0, 0x2, 0x141101) dup(r0) write$6lowpan_enable(0xffffffffffffffff, &(0x7f0000000000)='0', 0xfffffd2c) syz_open_procfs(0x0, &(0x7f0000000080)='net/dev\x00') r1 = socket$inet6_sctp(0xa, 0x5, 0x84) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r1, 0x84, 0x9, &(0x7f0000000580)={0x0, @in={{0x2, 0x0, @empty}}, 0x0, 0x0, 0x3fc, 0x0, 0x32}, 0x9c) bind$inet6(r1, &(0x7f00004b8fe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) sendmsg$nl_route(0xffffffffffffffff, &(0x7f0000000980)={&(0x7f0000000440)={0x10, 0x0, 0x0, 0x10000000}, 0xc, &(0x7f0000000740)={&(0x7f0000000d00)=ANY=[@ANYBLOB="86f2407d8a204caf80b640e69a13fefeff6f0000042ba98cfcfccd470037369314427ebd70000000000000000000000000000000cdfb0fa21b95f8072c528f2858315775d7552e", @ANYRES32=0x0, @ANYBLOB="0c943d0559ff0600ff0000000c00018005000600c0000000100001800c00a03a03462081c7fc75d9ffffbf", @ANYRESDEC, @ANYRES64], 0x40}, 0x1, 0x0, 0x0, 0x4008000}, 0x44040) bind$packet(0xffffffffffffffff, &(0x7f0000000140)={0x11, 0xf0, 0x0, 0x1, 0x0, 0x6, @multicast}, 0x14) close_range(0xffffffffffffffff, 0xffffffffffffffff, 0x2) sendto$inet6(r1, &(0x7f0000847fff)='X', 0x34000, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) 18:00:49 executing program 5: prctl$PR_SCHED_CORE(0x3e, 0x1, 0x0, 0x2, 0x0) syz_open_dev$sndmidi(0x0, 0x2, 0x141101) r0 = dup(0xffffffffffffffff) write$6lowpan_enable(r0, &(0x7f0000000000)='0', 0xfffffd2c) syz_open_procfs(0x0, &(0x7f0000000080)='net/dev\x00') r1 = socket$inet6_sctp(0xa, 0x5, 0x84) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r1, 0x84, 0x9, &(0x7f0000000580)={0x0, @in={{0x2, 0x0, @empty}}, 0x0, 0x0, 0x3fc, 0x0, 0x32}, 0x9c) bind$inet6(r1, &(0x7f00004b8fe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) sendmsg$nl_route(0xffffffffffffffff, &(0x7f0000000980)={&(0x7f0000000440)={0x10, 0x0, 0x0, 0x10000000}, 0xc, &(0x7f0000000740)={&(0x7f0000000d00)=ANY=[@ANYBLOB="86f2407d8a204caf80b640e69a13fefeff6f0000042ba98cfcfccd470037369314427ebd70000000000000000000000000000000cdfb0fa21b95f8072c528f2858315775d7552e", @ANYRES32=0x0, @ANYBLOB="0c943d0559ff0600ff0000000c00018005000600c0000000100001800c00a03a03462081c7fc75d9ffffbf", @ANYRESDEC, @ANYRES64], 0x40}, 0x1, 0x0, 0x0, 0x4008000}, 0x44040) bind$packet(0xffffffffffffffff, &(0x7f0000000140)={0x11, 0xf0, 0x0, 0x1, 0x0, 0x6, @multicast}, 0x14) close_range(0xffffffffffffffff, 0xffffffffffffffff, 0x2) sendto$inet6(r1, &(0x7f0000847fff)='X', 0x34000, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) 18:00:49 executing program 3: prlimit64(0x0, 0xe, &(0x7f0000000140)={0x8, 0x8b}, 0x0) sched_setscheduler(0x0, 0x2, &(0x7f0000000080)=0x8) r0 = getpid() sched_setscheduler(r0, 0x1, &(0x7f0000001700)=0x4) socketpair$unix(0x1, 0x2, 0x0, &(0x7f0000000200)={0xffffffffffffffff, 0xffffffffffffffff}) recvmmsg(r1, &(0x7f00000000c0), 0x10106, 0x2, 0x0) r3 = openat$loop_ctrl(0xffffff9c, &(0x7f0000000040), 0x0, 0x0) sendmmsg(r2, 0x0, 0x0, 0x0) r4 = getpid() sched_setaffinity(r4, 0x0, 0x0) ioctl$LOOP_CTL_ADD(r3, 0x4c80, 0x0) ioctl$LOOP_CTL_REMOVE(r3, 0x4c81, 0x0) 18:00:49 executing program 2: prctl$PR_SCHED_CORE(0x3e, 0x1, 0x0, 0x2, 0x0) syz_open_dev$sndmidi(0x0, 0x2, 0x141101) r0 = dup(0xffffffffffffffff) write$6lowpan_enable(r0, &(0x7f0000000000)='0', 0xfffffd2c) syz_open_procfs(0x0, &(0x7f0000000080)='net/dev\x00') r1 = socket$inet6_sctp(0xa, 0x5, 0x84) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r1, 0x84, 0x9, &(0x7f0000000580)={0x0, @in={{0x2, 0x0, @empty}}, 0x0, 0x0, 0x3fc, 0x0, 0x32}, 0x9c) bind$inet6(r1, &(0x7f00004b8fe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) sendmsg$nl_route(0xffffffffffffffff, &(0x7f0000000980)={&(0x7f0000000440)={0x10, 0x0, 0x0, 0x10000000}, 0xc, &(0x7f0000000740)={&(0x7f0000000d00)=ANY=[@ANYBLOB="86f2407d8a204caf80b640e69a13fefeff6f0000042ba98cfcfccd470037369314427ebd70000000000000000000000000000000cdfb0fa21b95f8072c528f2858315775d7552e", @ANYRES32=0x0, @ANYBLOB="0c943d0559ff0600ff0000000c00018005000600c0000000100001800c00a03a03462081c7fc75d9ffffbf", @ANYRESDEC, @ANYRES64], 0x40}, 0x1, 0x0, 0x0, 0x4008000}, 0x44040) bind$packet(0xffffffffffffffff, &(0x7f0000000140)={0x11, 0xf0, 0x0, 0x1, 0x0, 0x6, @multicast}, 0x14) close_range(0xffffffffffffffff, 0xffffffffffffffff, 0x2) sendto$inet6(r1, &(0x7f0000847fff)='X', 0x34000, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) 18:00:49 executing program 2: prctl$PR_SCHED_CORE(0x3e, 0x1, 0x0, 0x2, 0x0) syz_open_dev$sndmidi(0x0, 0x2, 0x141101) r0 = dup(0xffffffffffffffff) write$6lowpan_enable(r0, &(0x7f0000000000)='0', 0xfffffd2c) syz_open_procfs(0x0, &(0x7f0000000080)='net/dev\x00') r1 = socket$inet6_sctp(0xa, 0x5, 0x84) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r1, 0x84, 0x9, &(0x7f0000000580)={0x0, @in={{0x2, 0x0, @empty}}, 0x0, 0x0, 0x3fc, 0x0, 0x32}, 0x9c) bind$inet6(r1, &(0x7f00004b8fe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) sendmsg$nl_route(0xffffffffffffffff, &(0x7f0000000980)={&(0x7f0000000440)={0x10, 0x0, 0x0, 0x10000000}, 0xc, &(0x7f0000000740)={&(0x7f0000000d00)=ANY=[@ANYBLOB="86f2407d8a204caf80b640e69a13fefeff6f0000042ba98cfcfccd470037369314427ebd70000000000000000000000000000000cdfb0fa21b95f8072c528f2858315775d7552e", @ANYRES32=0x0, @ANYBLOB="0c943d0559ff0600ff0000000c00018005000600c0000000100001800c00a03a03462081c7fc75d9ffffbf", @ANYRESDEC, @ANYRES64], 0x40}, 0x1, 0x0, 0x0, 0x4008000}, 0x44040) bind$packet(0xffffffffffffffff, &(0x7f0000000140)={0x11, 0xf0, 0x0, 0x1, 0x0, 0x6, @multicast}, 0x14) close_range(0xffffffffffffffff, 0xffffffffffffffff, 0x2) sendto$inet6(r1, &(0x7f0000847fff)='X', 0x34000, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) 18:00:49 executing program 5: prctl$PR_SCHED_CORE(0x3e, 0x1, 0x0, 0x2, 0x0) syz_open_dev$sndmidi(0x0, 0x2, 0x141101) r0 = dup(0xffffffffffffffff) write$6lowpan_enable(r0, &(0x7f0000000000)='0', 0xfffffd2c) syz_open_procfs(0x0, &(0x7f0000000080)='net/dev\x00') r1 = socket$inet6_sctp(0xa, 0x5, 0x84) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r1, 0x84, 0x9, &(0x7f0000000580)={0x0, @in={{0x2, 0x0, @empty}}, 0x0, 0x0, 0x3fc, 0x0, 0x32}, 0x9c) bind$inet6(r1, &(0x7f00004b8fe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) sendmsg$nl_route(0xffffffffffffffff, &(0x7f0000000980)={&(0x7f0000000440)={0x10, 0x0, 0x0, 0x10000000}, 0xc, &(0x7f0000000740)={&(0x7f0000000d00)=ANY=[@ANYBLOB="86f2407d8a204caf80b640e69a13fefeff6f0000042ba98cfcfccd470037369314427ebd70000000000000000000000000000000cdfb0fa21b95f8072c528f2858315775d7552e", @ANYRES32=0x0, @ANYBLOB="0c943d0559ff0600ff0000000c00018005000600c0000000100001800c00a03a03462081c7fc75d9ffffbf", @ANYRESDEC, @ANYRES64], 0x40}, 0x1, 0x0, 0x0, 0x4008000}, 0x44040) bind$packet(0xffffffffffffffff, &(0x7f0000000140)={0x11, 0xf0, 0x0, 0x1, 0x0, 0x6, @multicast}, 0x14) close_range(0xffffffffffffffff, 0xffffffffffffffff, 0x2) sendto$inet6(r1, &(0x7f0000847fff)='X', 0x34000, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) 18:00:49 executing program 4: prctl$PR_SCHED_CORE(0x3e, 0x1, 0x0, 0x2, 0x0) r0 = syz_open_dev$sndmidi(0x0, 0x2, 0x0) r1 = dup(r0) write$6lowpan_enable(r1, &(0x7f0000000000)='0', 0xfffffd2c) syz_open_procfs(0x0, &(0x7f0000000080)='net/dev\x00') r2 = socket$inet6_sctp(0xa, 0x5, 0x84) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r2, 0x84, 0x9, &(0x7f0000000580)={0x0, @in={{0x2, 0x0, @empty}}, 0x0, 0x0, 0x3fc, 0x0, 0x32}, 0x9c) bind$inet6(r2, &(0x7f00004b8fe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) sendmsg$nl_route(0xffffffffffffffff, &(0x7f0000000980)={&(0x7f0000000440)={0x10, 0x0, 0x0, 0x10000000}, 0xc, &(0x7f0000000740)={&(0x7f0000000d00)=ANY=[@ANYBLOB="86f2407d8a204caf80b640e69a13fefeff6f0000042ba98cfcfccd470037369314427ebd70000000000000000000000000000000cdfb0fa21b95f8072c528f2858315775d7552e", @ANYRES32=0x0, @ANYBLOB="0c943d0559ff0600ff0000000c00018005000600c0000000100001800c00a03a03462081c7fc75d9ffffbf", @ANYRESDEC, @ANYRES64], 0x40}, 0x1, 0x0, 0x0, 0x4008000}, 0x44040) bind$packet(0xffffffffffffffff, &(0x7f0000000140)={0x11, 0xf0, 0x0, 0x1, 0x0, 0x6, @multicast}, 0x14) close_range(0xffffffffffffffff, 0xffffffffffffffff, 0x2) sendto$inet6(r2, &(0x7f0000847fff)='X', 0x34000, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) 18:00:49 executing program 0: prctl$PR_SCHED_CORE(0x3e, 0x1, 0x0, 0x2, 0x0) r0 = syz_open_dev$sndmidi(0x0, 0x2, 0x0) r1 = dup(r0) write$6lowpan_enable(r1, &(0x7f0000000000)='0', 0xfffffd2c) syz_open_procfs(0x0, &(0x7f0000000080)='net/dev\x00') r2 = socket$inet6_sctp(0xa, 0x5, 0x84) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r2, 0x84, 0x9, &(0x7f0000000580)={0x0, @in={{0x2, 0x0, @empty}}, 0x0, 0x0, 0x3fc, 0x0, 0x32}, 0x9c) bind$inet6(r2, &(0x7f00004b8fe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) sendmsg$nl_route(0xffffffffffffffff, &(0x7f0000000980)={&(0x7f0000000440)={0x10, 0x0, 0x0, 0x10000000}, 0xc, &(0x7f0000000740)={&(0x7f0000000d00)=ANY=[@ANYBLOB="86f2407d8a204caf80b640e69a13fefeff6f0000042ba98cfcfccd470037369314427ebd70000000000000000000000000000000cdfb0fa21b95f8072c528f2858315775d7552e", @ANYRES32=0x0, @ANYBLOB="0c943d0559ff0600ff0000000c00018005000600c0000000100001800c00a03a03462081c7fc75d9ffffbf", @ANYRESDEC, @ANYRES64], 0x40}, 0x1, 0x0, 0x0, 0x4008000}, 0x44040) bind$packet(0xffffffffffffffff, &(0x7f0000000140)={0x11, 0xf0, 0x0, 0x1, 0x0, 0x6, @multicast}, 0x14) close_range(0xffffffffffffffff, 0xffffffffffffffff, 0x2) sendto$inet6(r2, &(0x7f0000847fff)='X', 0x34000, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) 18:00:49 executing program 2: prctl$PR_SCHED_CORE(0x3e, 0x1, 0x0, 0x2, 0x0) r0 = syz_open_dev$sndmidi(&(0x7f0000000040), 0x2, 0x141101) r1 = dup(r0) write$6lowpan_enable(r1, &(0x7f0000000000)='0', 0xfffffd2c) r2 = getpid() tkill(r2, 0x0) r3 = socket$inet6_sctp(0xa, 0x5, 0x84) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r3, 0x84, 0x9, &(0x7f0000000580)={0x0, @in={{0x2, 0x0, @empty}}, 0x0, 0x0, 0x3fc, 0x0, 0x32}, 0x9c) sendto$inet6(r3, &(0x7f0000847fff)='X', 0x34000, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) 18:00:49 executing program 5: prctl$PR_SCHED_CORE(0x3e, 0x1, 0x0, 0x2, 0x0) r0 = syz_open_dev$sndmidi(0x0, 0x2, 0x0) r1 = dup(r0) write$6lowpan_enable(r1, &(0x7f0000000000)='0', 0xfffffd2c) syz_open_procfs(0x0, &(0x7f0000000080)='net/dev\x00') r2 = socket$inet6_sctp(0xa, 0x5, 0x84) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r2, 0x84, 0x9, &(0x7f0000000580)={0x0, @in={{0x2, 0x0, @empty}}, 0x0, 0x0, 0x3fc, 0x0, 0x32}, 0x9c) bind$inet6(r2, &(0x7f00004b8fe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) sendmsg$nl_route(0xffffffffffffffff, &(0x7f0000000980)={&(0x7f0000000440)={0x10, 0x0, 0x0, 0x10000000}, 0xc, &(0x7f0000000740)={&(0x7f0000000d00)=ANY=[@ANYBLOB="86f2407d8a204caf80b640e69a13fefeff6f0000042ba98cfcfccd470037369314427ebd70000000000000000000000000000000cdfb0fa21b95f8072c528f2858315775d7552e", @ANYRES32=0x0, @ANYBLOB="0c943d0559ff0600ff0000000c00018005000600c0000000100001800c00a03a03462081c7fc75d9ffffbf", @ANYRESDEC, @ANYRES64], 0x40}, 0x1, 0x0, 0x0, 0x4008000}, 0x44040) bind$packet(0xffffffffffffffff, &(0x7f0000000140)={0x11, 0xf0, 0x0, 0x1, 0x0, 0x6, @multicast}, 0x14) close_range(0xffffffffffffffff, 0xffffffffffffffff, 0x2) sendto$inet6(r2, &(0x7f0000847fff)='X', 0x34000, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) 18:00:49 executing program 4: prctl$PR_SCHED_CORE(0x3e, 0x1, 0x0, 0x2, 0x0) r0 = syz_open_dev$sndmidi(0x0, 0x2, 0x0) r1 = dup(r0) write$6lowpan_enable(r1, &(0x7f0000000000)='0', 0xfffffd2c) syz_open_procfs(0x0, &(0x7f0000000080)='net/dev\x00') r2 = socket$inet6_sctp(0xa, 0x5, 0x84) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r2, 0x84, 0x9, &(0x7f0000000580)={0x0, @in={{0x2, 0x0, @empty}}, 0x0, 0x0, 0x3fc, 0x0, 0x32}, 0x9c) bind$inet6(r2, &(0x7f00004b8fe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) sendmsg$nl_route(0xffffffffffffffff, &(0x7f0000000980)={&(0x7f0000000440)={0x10, 0x0, 0x0, 0x10000000}, 0xc, &(0x7f0000000740)={&(0x7f0000000d00)=ANY=[@ANYBLOB="86f2407d8a204caf80b640e69a13fefeff6f0000042ba98cfcfccd470037369314427ebd70000000000000000000000000000000cdfb0fa21b95f8072c528f2858315775d7552e", @ANYRES32=0x0, @ANYBLOB="0c943d0559ff0600ff0000000c00018005000600c0000000100001800c00a03a03462081c7fc75d9ffffbf", @ANYRESDEC, @ANYRES64], 0x40}, 0x1, 0x0, 0x0, 0x4008000}, 0x44040) bind$packet(0xffffffffffffffff, &(0x7f0000000140)={0x11, 0xf0, 0x0, 0x1, 0x0, 0x6, @multicast}, 0x14) close_range(0xffffffffffffffff, 0xffffffffffffffff, 0x2) sendto$inet6(r2, &(0x7f0000847fff)='X', 0x34000, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) 18:00:50 executing program 1: prctl$PR_SCHED_CORE(0x3e, 0x1, 0x0, 0x2, 0x0) r0 = syz_open_dev$sndmidi(&(0x7f0000000040), 0x2, 0x141101) dup(r0) r1 = getpid() tkill(r1, 0x0) syz_open_procfs(r1, &(0x7f0000000080)='net/dev\x00') r2 = socket$inet6_sctp(0xa, 0x5, 0x84) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r2, 0x84, 0x9, &(0x7f0000000580)={0x0, @in={{0x2, 0x0, @empty}}, 0x0, 0x0, 0x3fc, 0x0, 0x32}, 0x9c) sendmsg$nl_route(0xffffffffffffffff, &(0x7f0000000980)={&(0x7f0000000440)={0x10, 0x0, 0x0, 0x10000000}, 0xc, &(0x7f0000000740)={&(0x7f0000000d00)=ANY=[@ANYBLOB="86f2407d8a204caf80b640e69a13fefeff6f0000042ba98cfcfccd470037369314427ebd70000000000000000000000000000000cdfb0fa21b95f8072c528f2858315775d7552e", @ANYRES32=0x0, @ANYBLOB="0c943d0559ff0600ff0000000c00018005000600c0000000100001800c00a03a03462081c7fc75d9ffffbf", @ANYRESDEC, @ANYRES64], 0x40}, 0x1, 0x0, 0x0, 0x4008000}, 0x44040) bind$packet(0xffffffffffffffff, &(0x7f0000000140)={0x11, 0xf0, 0x0, 0x1, 0x0, 0x6, @multicast}, 0x14) close_range(0xffffffffffffffff, 0xffffffffffffffff, 0x2) sendto$inet6(r2, &(0x7f0000847fff)='X', 0x34000, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) 18:00:50 executing program 0: prctl$PR_SCHED_CORE(0x3e, 0x1, 0x0, 0x2, 0x0) syz_open_dev$sndmidi(&(0x7f0000000040), 0x2, 0x141101) write$6lowpan_enable(0xffffffffffffffff, &(0x7f0000000000)='0', 0xfffffd2c) r0 = getpid() tkill(r0, 0x0) syz_open_procfs(r0, &(0x7f0000000080)='net/dev\x00') r1 = socket$inet6_sctp(0xa, 0x5, 0x84) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r1, 0x84, 0x9, &(0x7f0000000580)={0x0, @in={{0x2, 0x0, @empty}}, 0x0, 0x0, 0x3fc, 0x0, 0x32}, 0x9c) sendmsg$nl_route(0xffffffffffffffff, &(0x7f0000000980)={&(0x7f0000000440)={0x10, 0x0, 0x0, 0x10000000}, 0xc, &(0x7f0000000740)={&(0x7f0000000d00)=ANY=[@ANYBLOB="86f2407d8a204caf80b640e69a13fefeff6f0000042ba98cfcfccd470037369314427ebd70000000000000000000000000000000cdfb0fa21b95f8072c528f2858315775d7552e", @ANYRES32=0x0, @ANYBLOB="0c943d0559ff0600ff0000000c00018005000600c0000000100001800c00a03a03462081c7fc75d9ffffbf", @ANYRESDEC, @ANYRES64], 0x40}, 0x1, 0x0, 0x0, 0x4008000}, 0x44040) bind$packet(0xffffffffffffffff, &(0x7f0000000140)={0x11, 0xf0, 0x0, 0x1, 0x0, 0x6, @multicast}, 0x14) close_range(0xffffffffffffffff, 0xffffffffffffffff, 0x2) sendto$inet6(r1, &(0x7f0000847fff)='X', 0x34000, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) 18:00:50 executing program 3: prlimit64(0x0, 0xe, &(0x7f0000000140)={0x8, 0x8b}, 0x0) sched_setscheduler(0x0, 0x2, &(0x7f0000000080)=0x8) r0 = getpid() sched_setscheduler(r0, 0x1, &(0x7f0000001700)=0x4) socketpair$unix(0x1, 0x2, 0x0, &(0x7f0000000200)={0xffffffffffffffff, 0xffffffffffffffff}) recvmmsg(r1, &(0x7f00000000c0), 0x10106, 0x2, 0x0) r3 = openat$loop_ctrl(0xffffff9c, &(0x7f0000000040), 0x0, 0x0) sendmmsg(r2, 0x0, 0x0, 0x0) r4 = getpid() sched_setaffinity(r4, 0x0, 0x0) ioctl$LOOP_CTL_ADD(r3, 0x4c80, 0x0) ioctl$LOOP_CTL_REMOVE(r3, 0x4c81, 0x0) 18:00:50 executing program 5: prctl$PR_SCHED_CORE(0x3e, 0x1, 0x0, 0x2, 0x0) r0 = syz_open_dev$sndmidi(0x0, 0x0, 0x141101) r1 = dup(r0) write$6lowpan_enable(r1, &(0x7f0000000000)='0', 0xfffffd2c) syz_open_procfs(0x0, &(0x7f0000000080)='net/dev\x00') r2 = socket$inet6_sctp(0xa, 0x5, 0x84) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r2, 0x84, 0x9, &(0x7f0000000580)={0x0, @in={{0x2, 0x0, @empty}}, 0x0, 0x0, 0x3fc, 0x0, 0x32}, 0x9c) bind$inet6(r2, &(0x7f00004b8fe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) sendmsg$nl_route(0xffffffffffffffff, &(0x7f0000000980)={&(0x7f0000000440)={0x10, 0x0, 0x0, 0x10000000}, 0xc, &(0x7f0000000740)={&(0x7f0000000d00)=ANY=[@ANYBLOB="86f2407d8a204caf80b640e69a13fefeff6f0000042ba98cfcfccd470037369314427ebd70000000000000000000000000000000cdfb0fa21b95f8072c528f2858315775d7552e", @ANYRES32=0x0, @ANYBLOB="0c943d0559ff0600ff0000000c00018005000600c0000000100001800c00a03a03462081c7fc75d9ffffbf", @ANYRESDEC, @ANYRES64], 0x40}, 0x1, 0x0, 0x0, 0x4008000}, 0x44040) bind$packet(0xffffffffffffffff, &(0x7f0000000140)={0x11, 0xf0, 0x0, 0x1, 0x0, 0x6, @multicast}, 0x14) close_range(0xffffffffffffffff, 0xffffffffffffffff, 0x2) sendto$inet6(r2, &(0x7f0000847fff)='X', 0x34000, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) 18:00:50 executing program 4: prctl$PR_SCHED_CORE(0x3e, 0x1, 0x0, 0x2, 0x0) r0 = syz_open_dev$sndmidi(&(0x7f0000000040), 0x2, 0x141101) r1 = dup(r0) write$6lowpan_enable(r1, &(0x7f0000000000)='0', 0xfffffd2c) r2 = getpid() tkill(r2, 0x0) r3 = socket$inet6_sctp(0xa, 0x5, 0x84) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r3, 0x84, 0x9, &(0x7f0000000580)={0x0, @in={{0x2, 0x0, @empty}}, 0x0, 0x0, 0x3fc, 0x0, 0x32}, 0x9c) sendto$inet6(r3, &(0x7f0000847fff)='X', 0x34000, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) 18:00:50 executing program 2: prctl$PR_SCHED_CORE(0x3e, 0x1, 0x0, 0x2, 0x0) r0 = syz_open_dev$sndmidi(&(0x7f0000000040), 0x2, 0x141101) r1 = dup(r0) write$6lowpan_enable(r1, &(0x7f0000000000)='0', 0xfffffd2c) r2 = getpid() tkill(r2, 0x0) r3 = socket$inet6_sctp(0xa, 0x5, 0x84) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r3, 0x84, 0x9, &(0x7f0000000580)={0x0, @in={{0x2, 0x0, @empty}}, 0x0, 0x0, 0x3fc, 0x0, 0x32}, 0x9c) sendto$inet6(r3, &(0x7f0000847fff)='X', 0x34000, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) 18:00:51 executing program 5: prctl$PR_SCHED_CORE(0x3e, 0x1, 0x0, 0x2, 0x0) r0 = syz_open_dev$sndmidi(0x0, 0x0, 0x141101) r1 = dup(r0) write$6lowpan_enable(r1, &(0x7f0000000000)='0', 0xfffffd2c) syz_open_procfs(0x0, &(0x7f0000000080)='net/dev\x00') r2 = socket$inet6_sctp(0xa, 0x5, 0x84) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r2, 0x84, 0x9, &(0x7f0000000580)={0x0, @in={{0x2, 0x0, @empty}}, 0x0, 0x0, 0x3fc, 0x0, 0x32}, 0x9c) bind$inet6(r2, &(0x7f00004b8fe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) sendmsg$nl_route(0xffffffffffffffff, &(0x7f0000000980)={&(0x7f0000000440)={0x10, 0x0, 0x0, 0x10000000}, 0xc, &(0x7f0000000740)={&(0x7f0000000d00)=ANY=[@ANYBLOB="86f2407d8a204caf80b640e69a13fefeff6f0000042ba98cfcfccd470037369314427ebd70000000000000000000000000000000cdfb0fa21b95f8072c528f2858315775d7552e", @ANYRES32=0x0, @ANYBLOB="0c943d0559ff0600ff0000000c00018005000600c0000000100001800c00a03a03462081c7fc75d9ffffbf", @ANYRESDEC, @ANYRES64], 0x40}, 0x1, 0x0, 0x0, 0x4008000}, 0x44040) bind$packet(0xffffffffffffffff, &(0x7f0000000140)={0x11, 0xf0, 0x0, 0x1, 0x0, 0x6, @multicast}, 0x14) close_range(0xffffffffffffffff, 0xffffffffffffffff, 0x2) sendto$inet6(r2, &(0x7f0000847fff)='X', 0x34000, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) 18:00:51 executing program 0: prctl$PR_SCHED_CORE(0x3e, 0x1, 0x0, 0x2, 0x0) r0 = syz_open_dev$sndmidi(&(0x7f0000000040), 0x2, 0x141101) dup(r0) r1 = getpid() tkill(r1, 0x0) syz_open_procfs(r1, &(0x7f0000000080)='net/dev\x00') r2 = socket$inet6_sctp(0xa, 0x5, 0x84) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r2, 0x84, 0x9, &(0x7f0000000580)={0x0, @in={{0x2, 0x0, @empty}}, 0x0, 0x0, 0x3fc, 0x0, 0x32}, 0x9c) sendmsg$nl_route(0xffffffffffffffff, &(0x7f0000000980)={&(0x7f0000000440)={0x10, 0x0, 0x0, 0x10000000}, 0xc, &(0x7f0000000740)={&(0x7f0000000d00)=ANY=[@ANYBLOB="86f2407d8a204caf80b640e69a13fefeff6f0000042ba98cfcfccd470037369314427ebd70000000000000000000000000000000cdfb0fa21b95f8072c528f2858315775d7552e", @ANYRES32=0x0, @ANYBLOB="0c943d0559ff0600ff0000000c00018005000600c0000000100001800c00a03a03462081c7fc75d9ffffbf", @ANYRESDEC, @ANYRES64], 0x40}, 0x1, 0x0, 0x0, 0x4008000}, 0x44040) bind$packet(0xffffffffffffffff, &(0x7f0000000140)={0x11, 0xf0, 0x0, 0x1, 0x0, 0x6, @multicast}, 0x14) close_range(0xffffffffffffffff, 0xffffffffffffffff, 0x2) sendto$inet6(r2, &(0x7f0000847fff)='X', 0x34000, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) 18:00:51 executing program 1: prctl$PR_SCHED_CORE(0x3e, 0x1, 0x0, 0x2, 0x0) r0 = syz_open_dev$sndmidi(&(0x7f0000000040), 0x2, 0x141101) r1 = dup(r0) write$6lowpan_enable(r1, &(0x7f0000000000)='0', 0xfffffd2c) tkill(0x0, 0x0) syz_open_procfs(0x0, &(0x7f0000000080)='net/dev\x00') r2 = socket$inet6_sctp(0xa, 0x5, 0x84) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r2, 0x84, 0x9, &(0x7f0000000580)={0x0, @in={{0x2, 0x0, @empty}}, 0x0, 0x0, 0x3fc, 0x0, 0x32}, 0x9c) sendmsg$nl_route(0xffffffffffffffff, &(0x7f0000000980)={&(0x7f0000000440)={0x10, 0x0, 0x0, 0x10000000}, 0xc, &(0x7f0000000740)={&(0x7f0000000d00)=ANY=[@ANYBLOB="86f2407d8a204caf80b640e69a13fefeff6f0000042ba98cfcfccd470037369314427ebd70000000000000000000000000000000cdfb0fa21b95f8072c528f2858315775d7552e", @ANYRES32=0x0, @ANYBLOB="0c943d0559ff0600ff0000000c00018005000600c0000000100001800c00a03a03462081c7fc75d9ffffbf", @ANYRESDEC, @ANYRES64], 0x40}, 0x1, 0x0, 0x0, 0x4008000}, 0x44040) bind$packet(0xffffffffffffffff, &(0x7f0000000140)={0x11, 0xf0, 0x0, 0x1, 0x0, 0x6, @multicast}, 0x14) close_range(0xffffffffffffffff, 0xffffffffffffffff, 0x2) sendto$inet6(r2, &(0x7f0000847fff)='X', 0x34000, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) 18:00:51 executing program 5: prctl$PR_SCHED_CORE(0x3e, 0x1, 0x0, 0x2, 0x0) r0 = syz_open_dev$sndmidi(0x0, 0x2, 0x141101) r1 = dup(r0) write$6lowpan_enable(r1, &(0x7f0000000000)='0', 0xfffffd2c) syz_open_procfs(0x0, &(0x7f0000000080)='net/dev\x00') r2 = socket$inet6_sctp(0xa, 0x5, 0x84) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r2, 0x84, 0x9, &(0x7f0000000580)={0x0, @in={{0x2, 0x0, @empty}}, 0x0, 0x0, 0x3fc, 0x0, 0x32}, 0x9c) bind$inet6(r2, &(0x7f00004b8fe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) sendmsg$nl_route(0xffffffffffffffff, &(0x7f0000000980)={&(0x7f0000000440)={0x10, 0x0, 0x0, 0x10000000}, 0xc, &(0x7f0000000740)={&(0x7f0000000d00)=ANY=[@ANYBLOB="86f2407d8a204caf80b640e69a13fefeff6f0000042ba98cfcfccd470037369314427ebd70000000000000000000000000000000cdfb0fa21b95f8072c528f2858315775d7552e", @ANYRES32=0x0, @ANYBLOB="0c943d0559ff0600ff0000000c00018005000600c0000000100001800c00a03a03462081c7fc75d9ffffbf", @ANYRESDEC, @ANYRES64], 0x40}, 0x1, 0x0, 0x0, 0x4008000}, 0x44040) bind$packet(0xffffffffffffffff, &(0x7f0000000140)={0x11, 0xf0, 0x0, 0x1, 0x0, 0x6, @multicast}, 0x14) close_range(0xffffffffffffffff, 0xffffffffffffffff, 0x2) sendto$inet6(r2, &(0x7f0000847fff)='X', 0x34000, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) 18:00:51 executing program 0: prctl$PR_SCHED_CORE(0x3e, 0x1, 0x0, 0x2, 0x0) r0 = syz_open_dev$sndmidi(0x0, 0x2, 0x141101) r1 = dup(r0) write$6lowpan_enable(r1, &(0x7f0000000000)='0', 0xfffffd2c) syz_open_procfs(0x0, &(0x7f0000000080)='net/dev\x00') r2 = socket$inet6_sctp(0xa, 0x5, 0x84) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r2, 0x84, 0x9, &(0x7f0000000580)={0x0, @in={{0x2, 0x0, @empty}}, 0x0, 0x0, 0x3fc, 0x0, 0x32}, 0x9c) bind$inet6(r2, &(0x7f00004b8fe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) sendmsg$nl_route(0xffffffffffffffff, &(0x7f0000000980)={&(0x7f0000000440)={0x10, 0x0, 0x0, 0x10000000}, 0xc, &(0x7f0000000740)={&(0x7f0000000d00)=ANY=[@ANYBLOB="86f2407d8a204caf80b640e69a13fefeff6f0000042ba98cfcfccd470037369314427ebd70000000000000000000000000000000cdfb0fa21b95f8072c528f2858315775d7552e", @ANYRES32=0x0, @ANYBLOB="0c943d0559ff0600ff0000000c00018005000600c0000000100001800c00a03a03462081c7fc75d9ffffbf", @ANYRESDEC, @ANYRES64], 0x40}, 0x1, 0x0, 0x0, 0x4008000}, 0x44040) bind$packet(0xffffffffffffffff, &(0x7f0000000140)={0x11, 0xf0, 0x0, 0x1, 0x0, 0x6, @multicast}, 0x14) close_range(0xffffffffffffffff, 0xffffffffffffffff, 0x2) sendto$inet6(r2, &(0x7f0000847fff)='X', 0x34000, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) 18:00:51 executing program 3: prlimit64(0x0, 0xe, &(0x7f0000000140)={0x8, 0x8b}, 0x0) sched_setscheduler(0x0, 0x2, &(0x7f0000000080)=0x8) r0 = getpid() sched_setscheduler(r0, 0x1, &(0x7f0000001700)=0x4) socketpair$unix(0x1, 0x2, 0x0, &(0x7f0000000200)={0xffffffffffffffff, 0xffffffffffffffff}) recvmmsg(r1, &(0x7f00000000c0), 0x10106, 0x2, 0x0) r3 = openat$loop_ctrl(0xffffff9c, &(0x7f0000000040), 0x0, 0x0) sendmmsg(r2, 0x0, 0x0, 0x0) r4 = getpid() sched_setaffinity(r4, 0x0, 0x0) ioctl$LOOP_CTL_ADD(r3, 0x4c80, 0x0) ioctl$LOOP_CTL_REMOVE(r3, 0x4c81, 0x0) 18:00:51 executing program 5: prctl$PR_SCHED_CORE(0x3e, 0x1, 0x0, 0x2, 0x0) r0 = syz_open_dev$sndmidi(0x0, 0x2, 0x141101) r1 = dup(r0) write$6lowpan_enable(r1, &(0x7f0000000000)='0', 0xfffffd2c) syz_open_procfs(0x0, &(0x7f0000000080)='net/dev\x00') r2 = socket$inet6_sctp(0xa, 0x5, 0x84) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r2, 0x84, 0x9, &(0x7f0000000580)={0x0, @in={{0x2, 0x0, @empty}}, 0x0, 0x0, 0x3fc, 0x0, 0x32}, 0x9c) bind$inet6(r2, &(0x7f00004b8fe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) sendmsg$nl_route(0xffffffffffffffff, &(0x7f0000000980)={&(0x7f0000000440)={0x10, 0x0, 0x0, 0x10000000}, 0xc, &(0x7f0000000740)={&(0x7f0000000d00)=ANY=[@ANYBLOB="86f2407d8a204caf80b640e69a13fefeff6f0000042ba98cfcfccd470037369314427ebd70000000000000000000000000000000cdfb0fa21b95f8072c528f2858315775d7552e", @ANYRES32=0x0, @ANYBLOB="0c943d0559ff0600ff0000000c00018005000600c0000000100001800c00a03a03462081c7fc75d9ffffbf", @ANYRESDEC, @ANYRES64], 0x40}, 0x1, 0x0, 0x0, 0x4008000}, 0x44040) bind$packet(0xffffffffffffffff, &(0x7f0000000140)={0x11, 0xf0, 0x0, 0x1, 0x0, 0x6, @multicast}, 0x14) close_range(0xffffffffffffffff, 0xffffffffffffffff, 0x2) sendto$inet6(r2, &(0x7f0000847fff)='X', 0x34000, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) 18:00:51 executing program 0: prctl$PR_SCHED_CORE(0x3e, 0x1, 0x0, 0x2, 0x0) r0 = syz_open_dev$sndmidi(&(0x7f0000000040), 0x2, 0x141101) r1 = dup(r0) write$6lowpan_enable(r1, &(0x7f0000000000)='0', 0xfffffd2c) tkill(0x0, 0x0) syz_open_procfs(0x0, &(0x7f0000000080)='net/dev\x00') r2 = socket$inet6_sctp(0xa, 0x5, 0x84) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r2, 0x84, 0x9, &(0x7f0000000580)={0x0, @in={{0x2, 0x0, @empty}}, 0x0, 0x0, 0x3fc, 0x0, 0x32}, 0x9c) sendmsg$nl_route(0xffffffffffffffff, &(0x7f0000000980)={&(0x7f0000000440)={0x10, 0x0, 0x0, 0x10000000}, 0xc, &(0x7f0000000740)={&(0x7f0000000d00)=ANY=[@ANYBLOB="86f2407d8a204caf80b640e69a13fefeff6f0000042ba98cfcfccd470037369314427ebd70000000000000000000000000000000cdfb0fa21b95f8072c528f2858315775d7552e", @ANYRES32=0x0, @ANYBLOB="0c943d0559ff0600ff0000000c00018005000600c0000000100001800c00a03a03462081c7fc75d9ffffbf", @ANYRESDEC, @ANYRES64], 0x40}, 0x1, 0x0, 0x0, 0x4008000}, 0x44040) bind$packet(0xffffffffffffffff, &(0x7f0000000140)={0x11, 0xf0, 0x0, 0x1, 0x0, 0x6, @multicast}, 0x14) close_range(0xffffffffffffffff, 0xffffffffffffffff, 0x2) sendto$inet6(r2, &(0x7f0000847fff)='X', 0x34000, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) 18:00:51 executing program 4: prctl$PR_SCHED_CORE(0x3e, 0x1, 0x0, 0x2, 0x0) r0 = syz_open_dev$sndmidi(&(0x7f0000000040), 0x2, 0x141101) r1 = dup(r0) write$6lowpan_enable(r1, &(0x7f0000000000)='0', 0xfffffd2c) tkill(0x0, 0x0) syz_open_procfs(0x0, &(0x7f0000000080)='net/dev\x00') r2 = socket$inet6_sctp(0xa, 0x5, 0x84) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r2, 0x84, 0x9, &(0x7f0000000580)={0x0, @in={{0x2, 0x0, @empty}}, 0x0, 0x0, 0x3fc, 0x0, 0x32}, 0x9c) sendmsg$nl_route(0xffffffffffffffff, &(0x7f0000000980)={&(0x7f0000000440)={0x10, 0x0, 0x0, 0x10000000}, 0xc, &(0x7f0000000740)={&(0x7f0000000d00)=ANY=[@ANYBLOB="86f2407d8a204caf80b640e69a13fefeff6f0000042ba98cfcfccd470037369314427ebd70000000000000000000000000000000cdfb0fa21b95f8072c528f2858315775d7552e", @ANYRES32=0x0, @ANYBLOB="0c943d0559ff0600ff0000000c00018005000600c0000000100001800c00a03a03462081c7fc75d9ffffbf", @ANYRESDEC, @ANYRES64], 0x40}, 0x1, 0x0, 0x0, 0x4008000}, 0x44040) bind$packet(0xffffffffffffffff, &(0x7f0000000140)={0x11, 0xf0, 0x0, 0x1, 0x0, 0x6, @multicast}, 0x14) close_range(0xffffffffffffffff, 0xffffffffffffffff, 0x2) sendto$inet6(r2, &(0x7f0000847fff)='X', 0x34000, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) 18:00:51 executing program 5: prctl$PR_SCHED_CORE(0x3e, 0x1, 0x0, 0x2, 0x0) r0 = syz_open_dev$sndmidi(0x0, 0x2, 0x141101) r1 = dup(r0) write$6lowpan_enable(r1, &(0x7f0000000000)='0', 0xfffffd2c) syz_open_procfs(0x0, &(0x7f0000000080)='net/dev\x00') r2 = socket$inet6_sctp(0xa, 0x5, 0x84) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r2, 0x84, 0x9, &(0x7f0000000580)={0x0, @in={{0x2, 0x0, @empty}}, 0x0, 0x0, 0x3fc, 0x0, 0x32}, 0x9c) bind$inet6(r2, &(0x7f00004b8fe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) sendmsg$nl_route(0xffffffffffffffff, &(0x7f0000000980)={&(0x7f0000000440)={0x10, 0x0, 0x0, 0x10000000}, 0xc, &(0x7f0000000740)={&(0x7f0000000d00)=ANY=[@ANYBLOB="86f2407d8a204caf80b640e69a13fefeff6f0000042ba98cfcfccd470037369314427ebd70000000000000000000000000000000cdfb0fa21b95f8072c528f2858315775d7552e", @ANYRES32=0x0, @ANYBLOB="0c943d0559ff0600ff0000000c00018005000600c0000000100001800c00a03a03462081c7fc75d9ffffbf", @ANYRESDEC, @ANYRES64], 0x40}, 0x1, 0x0, 0x0, 0x4008000}, 0x44040) bind$packet(0xffffffffffffffff, &(0x7f0000000140)={0x11, 0xf0, 0x0, 0x1, 0x0, 0x6, @multicast}, 0x14) close_range(0xffffffffffffffff, 0xffffffffffffffff, 0x2) sendto$inet6(r2, &(0x7f0000847fff)='X', 0x34000, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) 18:00:51 executing program 2: prctl$PR_SCHED_CORE(0x3e, 0x1, 0x0, 0x2, 0x0) r0 = syz_open_dev$sndmidi(&(0x7f0000000040), 0x2, 0x141101) r1 = dup(r0) write$6lowpan_enable(r1, &(0x7f0000000000)='0', 0xfffffd2c) r2 = getpid() tkill(r2, 0x0) r3 = socket$inet6_sctp(0xa, 0x5, 0x84) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r3, 0x84, 0x9, &(0x7f0000000580)={0x0, @in={{0x2, 0x0, @empty}}, 0x0, 0x0, 0x3fc, 0x0, 0x32}, 0x9c) sendto$inet6(r3, &(0x7f0000847fff)='X', 0x34000, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) 18:00:52 executing program 5: prctl$PR_SCHED_CORE(0x3e, 0x1, 0x0, 0x2, 0x0) r0 = syz_open_dev$sndmidi(&(0x7f0000000040), 0x2, 0x141101) r1 = dup(r0) write$6lowpan_enable(r1, &(0x7f0000000000)='0', 0xfffffd2c) r2 = getpid() tkill(r2, 0x0) r3 = socket$inet6_sctp(0xa, 0x5, 0x84) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r3, 0x84, 0x9, &(0x7f0000000580)={0x0, @in={{0x2, 0x0, @empty}}, 0x0, 0x0, 0x3fc, 0x0, 0x32}, 0x9c) sendmsg$nl_route(0xffffffffffffffff, &(0x7f0000000980)={&(0x7f0000000440)={0x10, 0x0, 0x0, 0x10000000}, 0xc, &(0x7f0000000740)={&(0x7f0000000d00)=ANY=[@ANYBLOB="86f2407d8a204caf80b640e69a13fefeff6f0000042ba98cfcfccd470037369314427ebd70000000000000000000000000000000cdfb0fa21b95f8072c528f2858315775d7552e", @ANYRES32=0x0, @ANYBLOB="0c943d0559ff0600ff0000000c00018005000600c0000000100001800c00a03a03462081c7fc75d9ffffbf", @ANYRESDEC, @ANYRES64], 0x40}, 0x1, 0x0, 0x0, 0x4008000}, 0x44040) bind$packet(0xffffffffffffffff, &(0x7f0000000140)={0x11, 0xf0, 0x0, 0x1, 0x0, 0x6, @multicast}, 0x14) sendto$inet6(r3, &(0x7f0000847fff)='X', 0x34000, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) 18:00:52 executing program 1: prctl$PR_SCHED_CORE(0x3e, 0x1, 0x0, 0x0, 0x0) r0 = syz_open_dev$sndmidi(&(0x7f0000000040), 0x2, 0x141101) r1 = dup(r0) write$6lowpan_enable(r1, &(0x7f0000000000)='0', 0xfffffd2c) syz_open_procfs(0x0, &(0x7f0000000080)='net/dev\x00') r2 = socket$inet6_sctp(0xa, 0x5, 0x84) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r2, 0x84, 0x9, &(0x7f0000000580)={0x0, @in={{0x2, 0x0, @empty}}, 0x0, 0x0, 0x3fc, 0x0, 0x32}, 0x9c) bind$inet6(r2, &(0x7f00004b8fe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) sendmsg$nl_route(0xffffffffffffffff, &(0x7f0000000980)={&(0x7f0000000440)={0x10, 0x0, 0x0, 0x10000000}, 0xc, &(0x7f0000000740)={&(0x7f0000000d00)=ANY=[@ANYBLOB="86f2407d8a204caf80b640e69a13fefeff6f0000042ba98cfcfccd470037369314427ebd70000000000000000000000000000000cdfb0fa21b95f8072c528f2858315775d7552e", @ANYRES32=0x0, @ANYBLOB="0c943d0559ff0600ff0000000c00018005000600c0000000100001800c00a03a03462081c7fc75d9ffffbf", @ANYRESDEC, @ANYRES64], 0x40}, 0x1, 0x0, 0x0, 0x4008000}, 0x44040) bind$packet(0xffffffffffffffff, &(0x7f0000000140)={0x11, 0xf0, 0x0, 0x1, 0x0, 0x6, @multicast}, 0x14) close_range(0xffffffffffffffff, 0xffffffffffffffff, 0x2) sendto$inet6(r2, &(0x7f0000847fff)='X', 0x34000, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) 18:00:52 executing program 3: prlimit64(0x0, 0xe, &(0x7f0000000140)={0x8, 0x8b}, 0x0) sched_setscheduler(0x0, 0x2, &(0x7f0000000080)=0x8) r0 = getpid() sched_setscheduler(r0, 0x1, &(0x7f0000001700)=0x4) socketpair$unix(0x1, 0x2, 0x0, &(0x7f0000000200)={0xffffffffffffffff, 0xffffffffffffffff}) recvmmsg(r1, &(0x7f00000000c0), 0x10106, 0x2, 0x0) r3 = openat$loop_ctrl(0xffffff9c, &(0x7f0000000040), 0x0, 0x0) sendmmsg(r2, 0x0, 0x0, 0x0) r4 = getpid() sched_setaffinity(r4, 0x8, &(0x7f0000000000)) ioctl$LOOP_CTL_ADD(r3, 0x4c80, 0x0) ioctl$LOOP_CTL_REMOVE(r3, 0x4c81, 0x0) 18:00:52 executing program 4: prctl$PR_SCHED_CORE(0x3e, 0x1, 0x0, 0x2, 0x0) r0 = syz_open_dev$sndmidi(&(0x7f0000000040), 0x2, 0x141101) r1 = dup(r0) write$6lowpan_enable(r1, &(0x7f0000000000)='0', 0xfffffd2c) r2 = getpid() tkill(r2, 0x0) r3 = socket$inet6_sctp(0xa, 0x5, 0x84) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r3, 0x84, 0x9, &(0x7f0000000580)={0x0, @in={{0x2, 0x0, @empty}}, 0x0, 0x0, 0x3fc, 0x0, 0x32}, 0x9c) sendmsg$nl_route(0xffffffffffffffff, &(0x7f0000000980)={&(0x7f0000000440)={0x10, 0x0, 0x0, 0x10000000}, 0xc, &(0x7f0000000740)={&(0x7f0000000d00)=ANY=[@ANYBLOB="86f2407d8a204caf80b640e69a13fefeff6f0000042ba98cfcfccd470037369314427ebd70000000000000000000000000000000cdfb0fa21b95f8072c528f2858315775d7552e", @ANYRES32=0x0, @ANYBLOB="0c943d0559ff0600ff0000000c00018005000600c0000000100001800c00a03a03462081c7fc75d9ffffbf", @ANYRESDEC, @ANYRES64], 0x40}, 0x1, 0x0, 0x0, 0x4008000}, 0x44040) bind$packet(0xffffffffffffffff, &(0x7f0000000140)={0x11, 0xf0, 0x0, 0x1, 0x0, 0x6, @multicast}, 0x14) sendto$inet6(r3, &(0x7f0000847fff)='X', 0x34000, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) 18:00:53 executing program 0: prctl$PR_SCHED_CORE(0x3e, 0x1, 0x0, 0x2, 0x0) r0 = syz_open_dev$sndmidi(&(0x7f0000000040), 0x2, 0x141101) r1 = dup(r0) write$6lowpan_enable(r1, &(0x7f0000000000)='0', 0xfffffd2c) tkill(0x0, 0x0) syz_open_procfs(0x0, &(0x7f0000000080)='net/dev\x00') r2 = socket$inet6_sctp(0xa, 0x5, 0x84) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r2, 0x84, 0x9, &(0x7f0000000580)={0x0, @in={{0x2, 0x0, @empty}}, 0x0, 0x0, 0x3fc, 0x0, 0x32}, 0x9c) sendmsg$nl_route(0xffffffffffffffff, &(0x7f0000000980)={&(0x7f0000000440)={0x10, 0x0, 0x0, 0x10000000}, 0xc, &(0x7f0000000740)={&(0x7f0000000d00)=ANY=[@ANYBLOB="86f2407d8a204caf80b640e69a13fefeff6f0000042ba98cfcfccd470037369314427ebd70000000000000000000000000000000cdfb0fa21b95f8072c528f2858315775d7552e", @ANYRES32=0x0, @ANYBLOB="0c943d0559ff0600ff0000000c00018005000600c0000000100001800c00a03a03462081c7fc75d9ffffbf", @ANYRESDEC, @ANYRES64], 0x40}, 0x1, 0x0, 0x0, 0x4008000}, 0x44040) bind$packet(0xffffffffffffffff, &(0x7f0000000140)={0x11, 0xf0, 0x0, 0x1, 0x0, 0x6, @multicast}, 0x14) close_range(0xffffffffffffffff, 0xffffffffffffffff, 0x2) sendto$inet6(r2, &(0x7f0000847fff)='X', 0x34000, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) 18:00:53 executing program 5: prctl$PR_SCHED_CORE(0x3e, 0x1, 0x0, 0x2, 0x0) r0 = syz_open_dev$sndmidi(&(0x7f0000000040), 0x2, 0x141101) r1 = dup(r0) write$6lowpan_enable(r1, &(0x7f0000000000)='0', 0xfffffd2c) r2 = getpid() tkill(r2, 0x0) r3 = socket$inet6_sctp(0xa, 0x5, 0x84) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r3, 0x84, 0x9, &(0x7f0000000580)={0x0, @in={{0x2, 0x0, @empty}}, 0x0, 0x0, 0x3fc, 0x0, 0x32}, 0x9c) sendmsg$nl_route(0xffffffffffffffff, &(0x7f0000000980)={&(0x7f0000000440)={0x10, 0x0, 0x0, 0x10000000}, 0xc, &(0x7f0000000740)={&(0x7f0000000d00)=ANY=[@ANYBLOB="86f2407d8a204caf80b640e69a13fefeff6f0000042ba98cfcfccd470037369314427ebd70000000000000000000000000000000cdfb0fa21b95f8072c528f2858315775d7552e", @ANYRES32=0x0, @ANYBLOB="0c943d0559ff0600ff0000000c00018005000600c0000000100001800c00a03a03462081c7fc75d9ffffbf", @ANYRESDEC, @ANYRES64], 0x40}, 0x1, 0x0, 0x0, 0x4008000}, 0x44040) bind$packet(0xffffffffffffffff, &(0x7f0000000140)={0x11, 0xf0, 0x0, 0x1, 0x0, 0x6, @multicast}, 0x14) sendto$inet6(r3, &(0x7f0000847fff)='X', 0x34000, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) 18:00:53 executing program 2: prctl$PR_SCHED_CORE(0x3e, 0x1, 0x0, 0x0, 0x0) r0 = syz_open_dev$sndmidi(&(0x7f0000000040), 0x2, 0x141101) r1 = dup(r0) write$6lowpan_enable(r1, &(0x7f0000000000)='0', 0xfffffd2c) syz_open_procfs(0x0, &(0x7f0000000080)='net/dev\x00') r2 = socket$inet6_sctp(0xa, 0x5, 0x84) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r2, 0x84, 0x9, &(0x7f0000000580)={0x0, @in={{0x2, 0x0, @empty}}, 0x0, 0x0, 0x3fc, 0x0, 0x32}, 0x9c) bind$inet6(r2, &(0x7f00004b8fe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) sendmsg$nl_route(0xffffffffffffffff, &(0x7f0000000980)={&(0x7f0000000440)={0x10, 0x0, 0x0, 0x10000000}, 0xc, &(0x7f0000000740)={&(0x7f0000000d00)=ANY=[@ANYBLOB="86f2407d8a204caf80b640e69a13fefeff6f0000042ba98cfcfccd470037369314427ebd70000000000000000000000000000000cdfb0fa21b95f8072c528f2858315775d7552e", @ANYRES32=0x0, @ANYBLOB="0c943d0559ff0600ff0000000c00018005000600c0000000100001800c00a03a03462081c7fc75d9ffffbf", @ANYRESDEC, @ANYRES64], 0x40}, 0x1, 0x0, 0x0, 0x4008000}, 0x44040) bind$packet(0xffffffffffffffff, &(0x7f0000000140)={0x11, 0xf0, 0x0, 0x1, 0x0, 0x6, @multicast}, 0x14) close_range(0xffffffffffffffff, 0xffffffffffffffff, 0x2) sendto$inet6(r2, &(0x7f0000847fff)='X', 0x34000, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) 18:00:53 executing program 3: prlimit64(0x0, 0xe, &(0x7f0000000140)={0x8, 0x8b}, 0x0) sched_setscheduler(0x0, 0x2, &(0x7f0000000080)=0x8) r0 = getpid() sched_setscheduler(r0, 0x1, &(0x7f0000001700)=0x4) socketpair$unix(0x1, 0x2, 0x0, &(0x7f0000000200)={0xffffffffffffffff, 0xffffffffffffffff}) recvmmsg(r1, &(0x7f00000000c0), 0x10106, 0x2, 0x0) r3 = openat$loop_ctrl(0xffffff9c, &(0x7f0000000040), 0x0, 0x0) sendmmsg(r2, 0x0, 0x0, 0x0) r4 = getpid() sched_setaffinity(r4, 0x8, &(0x7f0000000000)) ioctl$LOOP_CTL_ADD(r3, 0x4c80, 0x0) ioctl$LOOP_CTL_REMOVE(r3, 0x4c81, 0x0) 18:00:53 executing program 1: prctl$PR_SCHED_CORE(0x3e, 0x1, 0x0, 0x2, 0x0) r0 = syz_open_dev$sndmidi(&(0x7f0000000040), 0x2, 0x141101) r1 = dup(r0) write$6lowpan_enable(r1, &(0x7f0000000000)='0', 0xfffffd2c) r2 = getpid() syz_open_procfs(r2, &(0x7f0000000080)='net/dev\x00') r3 = socket$inet6_sctp(0xa, 0x5, 0x84) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r3, 0x84, 0x9, &(0x7f0000000580)={0x0, @in={{0x2, 0x0, @empty}}, 0x0, 0x0, 0x3fc, 0x0, 0x32}, 0x9c) sendmsg$nl_route(0xffffffffffffffff, &(0x7f0000000980)={&(0x7f0000000440)={0x10, 0x0, 0x0, 0x10000000}, 0xc, &(0x7f0000000740)={&(0x7f0000000d00)=ANY=[@ANYBLOB="86f2407d8a204caf80b640e69a13fefeff6f0000042ba98cfcfccd470037369314427ebd70000000000000000000000000000000cdfb0fa21b95f8072c528f2858315775d7552e", @ANYRES32=0x0, @ANYBLOB="0c943d0559ff0600ff0000000c00018005000600c0000000100001800c00a03a03462081c7fc75d9ffffbf", @ANYRESDEC, @ANYRES64], 0x40}, 0x1, 0x0, 0x0, 0x4008000}, 0x44040) bind$packet(0xffffffffffffffff, &(0x7f0000000140)={0x11, 0xf0, 0x0, 0x1, 0x0, 0x6, @multicast}, 0x14) close_range(0xffffffffffffffff, 0xffffffffffffffff, 0x2) sendto$inet6(r3, &(0x7f0000847fff)='X', 0x34000, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) 18:00:53 executing program 5: prctl$PR_SCHED_CORE(0x3e, 0x1, 0x0, 0x0, 0x0) r0 = syz_open_dev$sndmidi(&(0x7f0000000040), 0x2, 0x141101) r1 = dup(r0) write$6lowpan_enable(r1, &(0x7f0000000000)='0', 0xfffffd2c) syz_open_procfs(0x0, &(0x7f0000000080)='net/dev\x00') r2 = socket$inet6_sctp(0xa, 0x5, 0x84) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r2, 0x84, 0x9, &(0x7f0000000580)={0x0, @in={{0x2, 0x0, @empty}}, 0x0, 0x0, 0x3fc, 0x0, 0x32}, 0x9c) bind$inet6(r2, &(0x7f00004b8fe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) sendmsg$nl_route(0xffffffffffffffff, &(0x7f0000000980)={&(0x7f0000000440)={0x10, 0x0, 0x0, 0x10000000}, 0xc, &(0x7f0000000740)={&(0x7f0000000d00)=ANY=[@ANYBLOB="86f2407d8a204caf80b640e69a13fefeff6f0000042ba98cfcfccd470037369314427ebd70000000000000000000000000000000cdfb0fa21b95f8072c528f2858315775d7552e", @ANYRES32=0x0, @ANYBLOB="0c943d0559ff0600ff0000000c00018005000600c0000000100001800c00a03a03462081c7fc75d9ffffbf", @ANYRESDEC, @ANYRES64], 0x40}, 0x1, 0x0, 0x0, 0x4008000}, 0x44040) bind$packet(0xffffffffffffffff, &(0x7f0000000140)={0x11, 0xf0, 0x0, 0x1, 0x0, 0x6, @multicast}, 0x14) close_range(0xffffffffffffffff, 0xffffffffffffffff, 0x2) sendto$inet6(r2, &(0x7f0000847fff)='X', 0x34000, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) 18:00:54 executing program 4: prctl$PR_SCHED_CORE(0x3e, 0x1, 0x0, 0x2, 0x0) r0 = syz_open_dev$sndmidi(&(0x7f0000000040), 0x2, 0x141101) r1 = dup(r0) write$6lowpan_enable(r1, &(0x7f0000000000)='0', 0xfffffd2c) r2 = getpid() syz_open_procfs(r2, &(0x7f0000000080)='net/dev\x00') r3 = socket$inet6_sctp(0xa, 0x5, 0x84) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r3, 0x84, 0x9, &(0x7f0000000580)={0x0, @in={{0x2, 0x0, @empty}}, 0x0, 0x0, 0x3fc, 0x0, 0x32}, 0x9c) sendmsg$nl_route(0xffffffffffffffff, &(0x7f0000000980)={&(0x7f0000000440)={0x10, 0x0, 0x0, 0x10000000}, 0xc, &(0x7f0000000740)={&(0x7f0000000d00)=ANY=[@ANYBLOB="86f2407d8a204caf80b640e69a13fefeff6f0000042ba98cfcfccd470037369314427ebd70000000000000000000000000000000cdfb0fa21b95f8072c528f2858315775d7552e", @ANYRES32=0x0, @ANYBLOB="0c943d0559ff0600ff0000000c00018005000600c0000000100001800c00a03a03462081c7fc75d9ffffbf", @ANYRESDEC, @ANYRES64], 0x40}, 0x1, 0x0, 0x0, 0x4008000}, 0x44040) bind$packet(0xffffffffffffffff, &(0x7f0000000140)={0x11, 0xf0, 0x0, 0x1, 0x0, 0x6, @multicast}, 0x14) close_range(0xffffffffffffffff, 0xffffffffffffffff, 0x2) sendto$inet6(r3, &(0x7f0000847fff)='X', 0x34000, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) 18:00:54 executing program 0: prctl$PR_SCHED_CORE(0x3e, 0x0, 0x0, 0x2, 0x0) r0 = syz_open_dev$sndmidi(&(0x7f0000000040), 0x2, 0x141101) r1 = dup(r0) write$6lowpan_enable(r1, &(0x7f0000000000)='0', 0xfffffd2c) syz_open_procfs(0x0, &(0x7f0000000080)='net/dev\x00') r2 = socket$inet6_sctp(0xa, 0x5, 0x84) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r2, 0x84, 0x9, &(0x7f0000000580)={0x0, @in={{0x2, 0x0, @empty}}, 0x0, 0x0, 0x3fc, 0x0, 0x32}, 0x9c) bind$inet6(r2, &(0x7f00004b8fe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) sendmsg$nl_route(0xffffffffffffffff, &(0x7f0000000980)={&(0x7f0000000440)={0x10, 0x0, 0x0, 0x10000000}, 0xc, &(0x7f0000000740)={&(0x7f0000000d00)=ANY=[@ANYBLOB="86f2407d8a204caf80b640e69a13fefeff6f0000042ba98cfcfccd470037369314427ebd70000000000000000000000000000000cdfb0fa21b95f8072c528f2858315775d7552e", @ANYRES32=0x0, @ANYBLOB="0c943d0559ff0600ff0000000c00018005000600c0000000100001800c00a03a03462081c7fc75d9ffffbf", @ANYRESDEC, @ANYRES64], 0x40}, 0x1, 0x0, 0x0, 0x4008000}, 0x44040) bind$packet(0xffffffffffffffff, &(0x7f0000000140)={0x11, 0xf0, 0x0, 0x1, 0x0, 0x6, @multicast}, 0x14) close_range(0xffffffffffffffff, 0xffffffffffffffff, 0x2) sendto$inet6(r2, &(0x7f0000847fff)='X', 0x34000, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) 18:00:54 executing program 3: prlimit64(0x0, 0xe, &(0x7f0000000140)={0x8, 0x8b}, 0x0) sched_setscheduler(0x0, 0x2, &(0x7f0000000080)=0x8) r0 = getpid() sched_setscheduler(r0, 0x1, &(0x7f0000001700)=0x4) socketpair$unix(0x1, 0x2, 0x0, &(0x7f0000000200)={0xffffffffffffffff, 0xffffffffffffffff}) recvmmsg(r1, &(0x7f00000000c0), 0x10106, 0x2, 0x0) r3 = openat$loop_ctrl(0xffffff9c, &(0x7f0000000040), 0x0, 0x0) sendmmsg(r2, 0x0, 0x0, 0x0) r4 = getpid() sched_setaffinity(r4, 0x8, &(0x7f0000000000)) ioctl$LOOP_CTL_ADD(r3, 0x4c80, 0x0) ioctl$LOOP_CTL_REMOVE(r3, 0x4c81, 0x0) 18:00:54 executing program 2: prctl$PR_SCHED_CORE(0x3e, 0x1, 0x0, 0x2, 0x0) r0 = syz_open_dev$sndmidi(&(0x7f0000000040), 0x2, 0x141101) r1 = dup(r0) write$6lowpan_enable(r1, &(0x7f0000000000)='0', 0xfffffd2c) r2 = getpid() tkill(r2, 0x0) r3 = socket$inet6_sctp(0xa, 0x5, 0x84) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r3, 0x84, 0x9, &(0x7f0000000580)={0x0, @in={{0x2, 0x0, @empty}}, 0x0, 0x0, 0x3fc, 0x0, 0x32}, 0x9c) sendmsg$nl_route(0xffffffffffffffff, &(0x7f0000000980)={&(0x7f0000000440)={0x10, 0x0, 0x0, 0x10000000}, 0xc, &(0x7f0000000740)={&(0x7f0000000d00)=ANY=[@ANYBLOB="86f2407d8a204caf80b640e69a13fefeff6f0000042ba98cfcfccd470037369314427ebd70000000000000000000000000000000cdfb0fa21b95f8072c528f2858315775d7552e", @ANYRES32=0x0, @ANYBLOB="0c943d0559ff0600ff0000000c00018005000600c0000000100001800c00a03a03462081c7fc75d9ffffbf", @ANYRESDEC, @ANYRES64], 0x40}, 0x1, 0x0, 0x0, 0x4008000}, 0x44040) bind$packet(0xffffffffffffffff, &(0x7f0000000140)={0x11, 0xf0, 0x0, 0x1, 0x0, 0x6, @multicast}, 0x14) close_range(0xffffffffffffffff, 0xffffffffffffffff, 0x2) sendto$inet6(r3, &(0x7f0000847fff)='X', 0x34000, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) 18:00:54 executing program 1: prctl$PR_SCHED_CORE(0x3e, 0x1, 0x0, 0x2, 0x0) r0 = syz_open_dev$sndmidi(&(0x7f0000000040), 0x2, 0x141101) r1 = dup(r0) write$6lowpan_enable(r1, &(0x7f0000000000)='0', 0xfffffd2c) r2 = getpid() tkill(r2, 0x0) r3 = socket$inet6_sctp(0xa, 0x5, 0x84) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r3, 0x84, 0x9, &(0x7f0000000580)={0x0, @in={{0x2, 0x0, @empty}}, 0x0, 0x0, 0x3fc, 0x0, 0x32}, 0x9c) sendmsg$nl_route(0xffffffffffffffff, &(0x7f0000000980)={&(0x7f0000000440)={0x10, 0x0, 0x0, 0x10000000}, 0xc, &(0x7f0000000740)={&(0x7f0000000d00)=ANY=[@ANYBLOB="86f2407d8a204caf80b640e69a13fefeff6f0000042ba98cfcfccd470037369314427ebd70000000000000000000000000000000cdfb0fa21b95f8072c528f2858315775d7552e", @ANYRES32=0x0, @ANYBLOB="0c943d0559ff0600ff0000000c00018005000600c0000000100001800c00a03a03462081c7fc75d9ffffbf", @ANYRESDEC, @ANYRES64], 0x40}, 0x1, 0x0, 0x0, 0x4008000}, 0x44040) bind$packet(0xffffffffffffffff, &(0x7f0000000140)={0x11, 0xf0, 0x0, 0x1, 0x0, 0x6, @multicast}, 0x14) close_range(0xffffffffffffffff, 0xffffffffffffffff, 0x2) sendto$inet6(r3, &(0x7f0000847fff)='X', 0x34000, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) 18:00:54 executing program 5: prctl$PR_SCHED_CORE(0x3e, 0x0, 0x0, 0x2, 0x0) r0 = syz_open_dev$sndmidi(&(0x7f0000000040), 0x2, 0x141101) r1 = dup(r0) write$6lowpan_enable(r1, &(0x7f0000000000)='0', 0xfffffd2c) syz_open_procfs(0x0, &(0x7f0000000080)='net/dev\x00') r2 = socket$inet6_sctp(0xa, 0x5, 0x84) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r2, 0x84, 0x9, &(0x7f0000000580)={0x0, @in={{0x2, 0x0, @empty}}, 0x0, 0x0, 0x3fc, 0x0, 0x32}, 0x9c) bind$inet6(r2, &(0x7f00004b8fe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) sendmsg$nl_route(0xffffffffffffffff, &(0x7f0000000980)={&(0x7f0000000440)={0x10, 0x0, 0x0, 0x10000000}, 0xc, &(0x7f0000000740)={&(0x7f0000000d00)=ANY=[@ANYBLOB="86f2407d8a204caf80b640e69a13fefeff6f0000042ba98cfcfccd470037369314427ebd70000000000000000000000000000000cdfb0fa21b95f8072c528f2858315775d7552e", @ANYRES32=0x0, @ANYBLOB="0c943d0559ff0600ff0000000c00018005000600c0000000100001800c00a03a03462081c7fc75d9ffffbf", @ANYRESDEC, @ANYRES64], 0x40}, 0x1, 0x0, 0x0, 0x4008000}, 0x44040) bind$packet(0xffffffffffffffff, &(0x7f0000000140)={0x11, 0xf0, 0x0, 0x1, 0x0, 0x6, @multicast}, 0x14) close_range(0xffffffffffffffff, 0xffffffffffffffff, 0x2) sendto$inet6(r2, &(0x7f0000847fff)='X', 0x34000, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) 18:00:55 executing program 4: prctl$PR_SCHED_CORE(0x3e, 0x1, 0x0, 0x2, 0x0) r0 = syz_open_dev$sndmidi(&(0x7f0000000040), 0x2, 0x141101) r1 = dup(r0) write$6lowpan_enable(r1, &(0x7f0000000000)='0', 0xfffffd2c) r2 = getpid() syz_open_procfs(r2, &(0x7f0000000080)='net/dev\x00') r3 = socket$inet6_sctp(0xa, 0x5, 0x84) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r3, 0x84, 0x9, &(0x7f0000000580)={0x0, @in={{0x2, 0x0, @empty}}, 0x0, 0x0, 0x3fc, 0x0, 0x32}, 0x9c) sendmsg$nl_route(0xffffffffffffffff, &(0x7f0000000980)={&(0x7f0000000440)={0x10, 0x0, 0x0, 0x10000000}, 0xc, &(0x7f0000000740)={&(0x7f0000000d00)=ANY=[@ANYBLOB="86f2407d8a204caf80b640e69a13fefeff6f0000042ba98cfcfccd470037369314427ebd70000000000000000000000000000000cdfb0fa21b95f8072c528f2858315775d7552e", @ANYRES32=0x0, @ANYBLOB="0c943d0559ff0600ff0000000c00018005000600c0000000100001800c00a03a03462081c7fc75d9ffffbf", @ANYRESDEC, @ANYRES64], 0x40}, 0x1, 0x0, 0x0, 0x4008000}, 0x44040) bind$packet(0xffffffffffffffff, &(0x7f0000000140)={0x11, 0xf0, 0x0, 0x1, 0x0, 0x6, @multicast}, 0x14) close_range(0xffffffffffffffff, 0xffffffffffffffff, 0x2) sendto$inet6(r3, &(0x7f0000847fff)='X', 0x34000, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) 18:00:55 executing program 3: prlimit64(0x0, 0xe, &(0x7f0000000140)={0x8, 0x8b}, 0x0) sched_setscheduler(0x0, 0x2, &(0x7f0000000080)=0x8) r0 = getpid() sched_setscheduler(r0, 0x1, &(0x7f0000001700)=0x4) socketpair$unix(0x1, 0x2, 0x0, &(0x7f0000000200)={0xffffffffffffffff, 0xffffffffffffffff}) recvmmsg(r1, &(0x7f00000000c0), 0x10106, 0x2, 0x0) r3 = openat$loop_ctrl(0xffffff9c, &(0x7f0000000040), 0x0, 0x0) sendmmsg(r2, 0x0, 0x0, 0x0) r4 = getpid() sched_setaffinity(r4, 0x8, &(0x7f0000000000)=0x96f) ioctl$LOOP_CTL_ADD(0xffffffffffffffff, 0x4c80, 0x0) ioctl$LOOP_CTL_REMOVE(r3, 0x4c81, 0x0) 18:00:55 executing program 0: prctl$PR_SCHED_CORE(0x3e, 0x1, 0x0, 0x2, 0x0) r0 = syz_open_dev$sndmidi(&(0x7f0000000040), 0x2, 0x141101) r1 = dup(r0) write$6lowpan_enable(r1, &(0x7f0000000000)='0', 0xfffffd2c) r2 = getpid() tkill(r2, 0x0) r3 = socket$inet6_sctp(0xa, 0x5, 0x84) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r3, 0x84, 0x9, &(0x7f0000000580)={0x0, @in={{0x2, 0x0, @empty}}, 0x0, 0x0, 0x3fc, 0x0, 0x32}, 0x9c) sendmsg$nl_route(0xffffffffffffffff, &(0x7f0000000980)={&(0x7f0000000440)={0x10, 0x0, 0x0, 0x10000000}, 0xc, &(0x7f0000000740)={&(0x7f0000000d00)=ANY=[@ANYBLOB="86f2407d8a204caf80b640e69a13fefeff6f0000042ba98cfcfccd470037369314427ebd70000000000000000000000000000000cdfb0fa21b95f8072c528f2858315775d7552e", @ANYRES32=0x0, @ANYBLOB="0c943d0559ff0600ff0000000c00018005000600c0000000100001800c00a03a03462081c7fc75d9ffffbf", @ANYRESDEC, @ANYRES64], 0x40}, 0x1, 0x0, 0x0, 0x4008000}, 0x44040) bind$packet(0xffffffffffffffff, &(0x7f0000000140)={0x11, 0xf0, 0x0, 0x1, 0x0, 0x6, @multicast}, 0x14) close_range(0xffffffffffffffff, 0xffffffffffffffff, 0x2) sendto$inet6(r3, &(0x7f0000847fff)='X', 0x34000, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) 18:00:55 executing program 2: r0 = syz_open_dev$sndmidi(&(0x7f0000000040), 0x2, 0x141101) r1 = dup(r0) write$6lowpan_enable(r1, &(0x7f0000000000)='0', 0xfffffd2c) syz_open_procfs(0x0, &(0x7f0000000080)='net/dev\x00') r2 = socket$inet6_sctp(0xa, 0x5, 0x84) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r2, 0x84, 0x9, &(0x7f0000000580)={0x0, @in={{0x2, 0x0, @empty}}, 0x0, 0x0, 0x3fc, 0x0, 0x32}, 0x9c) bind$inet6(r2, &(0x7f00004b8fe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) sendmsg$nl_route(0xffffffffffffffff, &(0x7f0000000980)={&(0x7f0000000440)={0x10, 0x0, 0x0, 0x10000000}, 0xc, &(0x7f0000000740)={&(0x7f0000000d00)=ANY=[@ANYBLOB="86f2407d8a204caf80b640e69a13fefeff6f0000042ba98cfcfccd470037369314427ebd70000000000000000000000000000000cdfb0fa21b95f8072c528f2858315775d7552e", @ANYRES32=0x0, @ANYBLOB="0c943d0559ff0600ff0000000c00018005000600c0000000100001800c00a03a03462081c7fc75d9ffffbf", @ANYRESDEC, @ANYRES64], 0x40}, 0x1, 0x0, 0x0, 0x4008000}, 0x44040) bind$packet(0xffffffffffffffff, &(0x7f0000000140)={0x11, 0xf0, 0x0, 0x1, 0x0, 0x6, @multicast}, 0x14) close_range(0xffffffffffffffff, 0xffffffffffffffff, 0x2) sendto$inet6(r2, &(0x7f0000847fff)='X', 0x34000, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) 18:00:55 executing program 1: prlimit64(0x0, 0xe, &(0x7f0000000140)={0x8, 0x8b}, 0x0) sched_setscheduler(0x0, 0x0, &(0x7f0000000080)=0x8) r0 = getpid() sched_setscheduler(r0, 0x1, &(0x7f0000001700)=0x4) socketpair$unix(0x1, 0x2, 0x0, &(0x7f0000000200)={0xffffffffffffffff, 0xffffffffffffffff}) connect$unix(r1, &(0x7f000057eff8)=@abs, 0x6e) sendmmsg$unix(r2, &(0x7f00000bd000), 0x318, 0x0) recvmmsg(r1, &(0x7f00000000c0), 0x10106, 0x2, 0x0) r3 = openat$loop_ctrl(0xffffff9c, &(0x7f0000000040), 0x0, 0x0) sendmmsg(r2, &(0x7f0000000fc0)=[{{&(0x7f0000000240)=@l2tp={0x2, 0x0, @loopback, 0x1}, 0x80, 0x0, 0x2b}}, {{0x0, 0x0, 0x0}}], 0x2, 0x440c4) r4 = getpid() tkill(r4, 0x0) sched_setaffinity(r4, 0x8, &(0x7f0000000000)=0x96f) ioctl$LOOP_CTL_ADD(r3, 0x4c80, 0x0) ioctl$LOOP_CTL_REMOVE(r3, 0x4c81, 0x0) 18:00:55 executing program 5: prctl$PR_SCHED_CORE(0x3e, 0x1, 0x0, 0x2, 0x0) r0 = dup(0xffffffffffffffff) write$6lowpan_enable(r0, &(0x7f0000000000)='0', 0xfffffd2c) syz_open_procfs(0x0, &(0x7f0000000080)='net/dev\x00') r1 = socket$inet6_sctp(0xa, 0x5, 0x84) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r1, 0x84, 0x9, &(0x7f0000000580)={0x0, @in={{0x2, 0x0, @empty}}, 0x0, 0x0, 0x3fc, 0x0, 0x32}, 0x9c) bind$inet6(r1, &(0x7f00004b8fe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) sendmsg$nl_route(0xffffffffffffffff, &(0x7f0000000980)={&(0x7f0000000440)={0x10, 0x0, 0x0, 0x10000000}, 0xc, &(0x7f0000000740)={&(0x7f0000000d00)=ANY=[@ANYBLOB="86f2407d8a204caf80b640e69a13fefeff6f0000042ba98cfcfccd470037369314427ebd70000000000000000000000000000000cdfb0fa21b95f8072c528f2858315775d7552e", @ANYRES32=0x0, @ANYBLOB="0c943d0559ff0600ff0000000c00018005000600c0000000100001800c00a03a03462081c7fc75d9ffffbf", @ANYRESDEC, @ANYRES64], 0x40}, 0x1, 0x0, 0x0, 0x4008000}, 0x44040) bind$packet(0xffffffffffffffff, &(0x7f0000000140)={0x11, 0xf0, 0x0, 0x1, 0x0, 0x6, @multicast}, 0x14) close_range(0xffffffffffffffff, 0xffffffffffffffff, 0x2) sendto$inet6(r1, &(0x7f0000847fff)='X', 0x34000, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) 18:00:56 executing program 3: prlimit64(0x0, 0xe, &(0x7f0000000140)={0x8, 0x8b}, 0x0) sched_setscheduler(0x0, 0x2, &(0x7f0000000080)=0x8) r0 = getpid() sched_setscheduler(r0, 0x1, &(0x7f0000001700)=0x4) socketpair$unix(0x1, 0x2, 0x0, &(0x7f0000000200)={0xffffffffffffffff, 0xffffffffffffffff}) recvmmsg(r1, &(0x7f00000000c0), 0x10106, 0x2, 0x0) r3 = openat$loop_ctrl(0xffffff9c, &(0x7f0000000040), 0x0, 0x0) sendmmsg(r2, 0x0, 0x0, 0x0) r4 = getpid() sched_setaffinity(r4, 0x8, &(0x7f0000000000)=0x96f) ioctl$LOOP_CTL_ADD(0xffffffffffffffff, 0x4c80, 0x0) ioctl$LOOP_CTL_REMOVE(r3, 0x4c81, 0x0) 18:00:56 executing program 4: r0 = syz_mount_image$vfat(&(0x7f0000000900), &(0x7f0000000940)='./file0\x00', 0x200007, 0x2, &(0x7f0000000700)=[{&(0x7f0000000000)="eb3c906d8d6673fdd2617400028001000240000004f801", 0x17}, {&(0x7f0000001440)="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", 0x140, 0x601}], 0x0, &(0x7f00000004c0)={[{@shortname_winnt}, {@fat=@gid}, {@uni_xlate}, {@utf8no}]}) mknodat$loop(r0, &(0x7f0000000000)='./file0\x00', 0x100, 0x0) 18:00:56 executing program 4: prlimit64(0x0, 0xe, &(0x7f0000000140)={0x8}, 0x0) sched_setscheduler(0x0, 0x2, &(0x7f0000000080)=0x8) r0 = getpid() sched_setscheduler(r0, 0x1, &(0x7f0000001700)=0x4) socketpair$unix(0x1, 0x2, 0x0, &(0x7f0000000200)={0xffffffffffffffff, 0xffffffffffffffff}) connect$unix(r1, &(0x7f000057eff8)=@abs, 0x6e) sendmmsg$unix(r2, &(0x7f00000bd000), 0x318, 0x0) recvmmsg(r1, &(0x7f00000000c0), 0x10106, 0x2, 0x0) r3 = openat$loop_ctrl(0xffffff9c, &(0x7f0000000040), 0x0, 0x0) sendmmsg(r2, &(0x7f0000000fc0)=[{{&(0x7f0000000240)=@l2tp={0x2, 0x0, @loopback, 0x1}, 0x80, 0x0, 0x2b}}, {{0x0, 0x0, 0x0}}], 0x2, 0x440c4) r4 = getpid() tkill(r4, 0x0) sched_setaffinity(r4, 0x8, &(0x7f0000000000)=0x96f) ioctl$LOOP_CTL_ADD(r3, 0x4c80, 0x0) ioctl$LOOP_CTL_REMOVE(r3, 0x4c81, 0x0) [ 706.274710][T10495] loop4: detected capacity change from 0 to 4096 18:00:56 executing program 5: prctl$PR_SCHED_CORE(0x3e, 0x1, 0x0, 0x2, 0x0) r0 = dup(0xffffffffffffffff) write$6lowpan_enable(r0, &(0x7f0000000000)='0', 0xfffffd2c) syz_open_procfs(0x0, &(0x7f0000000080)='net/dev\x00') r1 = socket$inet6_sctp(0xa, 0x5, 0x84) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r1, 0x84, 0x9, &(0x7f0000000580)={0x0, @in={{0x2, 0x0, @empty}}, 0x0, 0x0, 0x3fc, 0x0, 0x32}, 0x9c) bind$inet6(r1, &(0x7f00004b8fe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) sendmsg$nl_route(0xffffffffffffffff, &(0x7f0000000980)={&(0x7f0000000440)={0x10, 0x0, 0x0, 0x10000000}, 0xc, &(0x7f0000000740)={&(0x7f0000000d00)=ANY=[@ANYBLOB="86f2407d8a204caf80b640e69a13fefeff6f0000042ba98cfcfccd470037369314427ebd70000000000000000000000000000000cdfb0fa21b95f8072c528f2858315775d7552e", @ANYRES32=0x0, @ANYBLOB="0c943d0559ff0600ff0000000c00018005000600c0000000100001800c00a03a03462081c7fc75d9ffffbf", @ANYRESDEC, @ANYRES64], 0x40}, 0x1, 0x0, 0x0, 0x4008000}, 0x44040) bind$packet(0xffffffffffffffff, &(0x7f0000000140)={0x11, 0xf0, 0x0, 0x1, 0x0, 0x6, @multicast}, 0x14) close_range(0xffffffffffffffff, 0xffffffffffffffff, 0x2) sendto$inet6(r1, &(0x7f0000847fff)='X', 0x34000, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) 18:00:56 executing program 0: r0 = syz_mount_image$vfat(&(0x7f0000000900), &(0x7f0000000940)='./file0\x00', 0x200007, 0x2, &(0x7f0000000700)=[{&(0x7f0000000000)="eb3c906d8d6673fdd2617400028001000240000004f801", 0x17}, {&(0x7f0000001440)="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", 0x140, 0x601}], 0x0, &(0x7f00000004c0)={[{@shortname_winnt}, {@fat=@gid}, {@iocharset={'iocharset', 0x3d, 'cp866'}}, {@fat=@fmask={'fmask', 0x3d, 0x1ff}}, {@uni_xlate}, {@utf8no}]}) mknodat$loop(r0, &(0x7f0000000000)='./file0\x00', 0x100, 0x0) 18:00:56 executing program 2: prlimit64(0x0, 0xe, &(0x7f0000000140)={0x0, 0x8b}, 0x0) sched_setscheduler(0x0, 0x2, &(0x7f0000000080)=0x8) r0 = getpid() sched_setscheduler(r0, 0x1, &(0x7f0000001700)=0x4) socketpair$unix(0x1, 0x2, 0x0, &(0x7f0000000200)={0xffffffffffffffff, 0xffffffffffffffff}) connect$unix(r1, &(0x7f000057eff8)=@abs, 0x6e) sendmmsg$unix(r2, &(0x7f00000bd000), 0x318, 0x0) recvmmsg(r1, &(0x7f00000000c0), 0x10106, 0x2, 0x0) r3 = openat$loop_ctrl(0xffffff9c, &(0x7f0000000040), 0x0, 0x0) sendmmsg(r2, &(0x7f0000000fc0)=[{{&(0x7f0000000240)=@l2tp={0x2, 0x0, @loopback, 0x1}, 0x80, 0x0, 0x2b}}, {{0x0, 0x0, 0x0}}], 0x2, 0x440c4) r4 = getpid() tkill(r4, 0x0) sched_setaffinity(r4, 0x8, &(0x7f0000000000)=0x96f) ioctl$LOOP_CTL_ADD(r3, 0x4c80, 0x0) ioctl$LOOP_CTL_REMOVE(r3, 0x4c81, 0x0) 18:00:56 executing program 0: prctl$PR_SCHED_CORE(0x3e, 0x1, 0x0, 0x2, 0x0) r0 = syz_open_dev$sndmidi(&(0x7f0000000040), 0x2, 0x141101) r1 = dup(r0) write$6lowpan_enable(r1, &(0x7f0000000000)='0', 0xfffffd2c) r2 = getpid() tkill(r2, 0x0) syz_open_procfs(r2, &(0x7f0000000080)='net/dev\x00') setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(0xffffffffffffffff, 0x84, 0x9, &(0x7f0000000580)={0x0, @in={{0x2, 0x0, @empty}}, 0x0, 0x0, 0x3fc, 0x0, 0x32}, 0x9c) sendmsg$nl_route(0xffffffffffffffff, &(0x7f0000000980)={&(0x7f0000000440)={0x10, 0x0, 0x0, 0x10000000}, 0xc, &(0x7f0000000740)={&(0x7f0000000d00)=ANY=[@ANYBLOB="86f2407d8a204caf80b640e69a13fefeff6f0000042ba98cfcfccd470037369314427ebd70000000000000000000000000000000cdfb0fa21b95f8072c528f2858315775d7552e", @ANYRES32=0x0, @ANYBLOB="0c943d0559ff0600ff0000000c00018005000600c0000000100001800c00a03a03462081c7fc75d9ffffbf", @ANYRESDEC, @ANYRES64], 0x40}, 0x1, 0x0, 0x0, 0x4008000}, 0x44040) bind$packet(0xffffffffffffffff, &(0x7f0000000140)={0x11, 0xf0, 0x0, 0x1, 0x0, 0x6, @multicast}, 0x14) close_range(0xffffffffffffffff, 0xffffffffffffffff, 0x2) sendto$inet6(0xffffffffffffffff, &(0x7f0000847fff)='X', 0x34000, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) [ 706.562135][T10504] loop0: detected capacity change from 0 to 4096 18:00:56 executing program 1: prctl$PR_SCHED_CORE(0x3e, 0x1, 0x0, 0x2, 0x0) syz_open_dev$sndmidi(&(0x7f0000000040), 0x2, 0x141101) write$6lowpan_enable(0xffffffffffffffff, &(0x7f0000000000)='0', 0xfffffd2c) syz_open_procfs(0x0, &(0x7f0000000080)='net/dev\x00') r0 = socket$inet6_sctp(0xa, 0x5, 0x84) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r0, 0x84, 0x9, &(0x7f0000000580)={0x0, @in={{0x2, 0x0, @empty}}, 0x0, 0x0, 0x3fc, 0x0, 0x32}, 0x9c) bind$inet6(r0, &(0x7f00004b8fe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) sendmsg$nl_route(0xffffffffffffffff, &(0x7f0000000980)={&(0x7f0000000440)={0x10, 0x0, 0x0, 0x10000000}, 0xc, &(0x7f0000000740)={&(0x7f0000000d00)=ANY=[@ANYBLOB="86f2407d8a204caf80b640e69a13fefeff6f0000042ba98cfcfccd470037369314427ebd70000000000000000000000000000000cdfb0fa21b95f8072c528f2858315775d7552e", @ANYRES32=0x0, @ANYBLOB="0c943d0559ff0600ff0000000c00018005000600c0000000100001800c00a03a03462081c7fc75d9ffffbf", @ANYRESDEC, @ANYRES64], 0x40}, 0x1, 0x0, 0x0, 0x4008000}, 0x44040) bind$packet(0xffffffffffffffff, &(0x7f0000000140)={0x11, 0xf0, 0x0, 0x1, 0x0, 0x6, @multicast}, 0x14) close_range(0xffffffffffffffff, 0xffffffffffffffff, 0x2) sendto$inet6(r0, &(0x7f0000847fff)='X', 0x34000, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) 18:00:56 executing program 5: ioctl$SNDRV_CTL_IOCTL_RAWMIDI_NEXT_DEVICE(0xffffffffffffffff, 0xc1205531, 0xfffffffffffffffc) syz_genetlink_get_family_id$devlink(0x0, 0xffffffffffffffff) r0 = syz_mount_image$vfat(&(0x7f0000000900), &(0x7f0000000940)='./file0\x00', 0x200007, 0x2, &(0x7f0000000700)=[{&(0x7f0000000000)="eb3c906d8d6673fdd2617400028001000240000004f801", 0x17}, {&(0x7f0000001440)="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", 0x140, 0x601}], 0x0, &(0x7f00000004c0)={[{@fat=@errors_remount}, {@shortname_win95}]}) mknodat$loop(r0, &(0x7f0000000000)='./file0\x00', 0x100, 0x0) 18:00:56 executing program 3: prlimit64(0x0, 0xe, &(0x7f0000000140)={0x8, 0x8b}, 0x0) sched_setscheduler(0x0, 0x2, &(0x7f0000000080)=0x8) r0 = getpid() sched_setscheduler(r0, 0x1, &(0x7f0000001700)=0x4) socketpair$unix(0x1, 0x2, 0x0, &(0x7f0000000200)={0xffffffffffffffff, 0xffffffffffffffff}) recvmmsg(r1, &(0x7f00000000c0), 0x10106, 0x2, 0x0) r3 = openat$loop_ctrl(0xffffff9c, &(0x7f0000000040), 0x0, 0x0) sendmmsg(r2, 0x0, 0x0, 0x0) r4 = getpid() sched_setaffinity(r4, 0x8, &(0x7f0000000000)=0x96f) ioctl$LOOP_CTL_ADD(0xffffffffffffffff, 0x4c80, 0x0) ioctl$LOOP_CTL_REMOVE(r3, 0x4c81, 0x0) [ 707.048009][T10515] loop5: detected capacity change from 0 to 4096 18:00:57 executing program 1: prctl$PR_SCHED_CORE(0x3e, 0x1, 0x0, 0x2, 0x0) syz_open_dev$sndmidi(&(0x7f0000000040), 0x2, 0x141101) write$6lowpan_enable(0xffffffffffffffff, &(0x7f0000000000)='0', 0xfffffd2c) syz_open_procfs(0x0, &(0x7f0000000080)='net/dev\x00') r0 = socket$inet6_sctp(0xa, 0x5, 0x84) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r0, 0x84, 0x9, &(0x7f0000000580)={0x0, @in={{0x2, 0x0, @empty}}, 0x0, 0x0, 0x3fc, 0x0, 0x32}, 0x9c) bind$inet6(r0, &(0x7f00004b8fe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) sendmsg$nl_route(0xffffffffffffffff, &(0x7f0000000980)={&(0x7f0000000440)={0x10, 0x0, 0x0, 0x10000000}, 0xc, &(0x7f0000000740)={&(0x7f0000000d00)=ANY=[@ANYBLOB="86f2407d8a204caf80b640e69a13fefeff6f0000042ba98cfcfccd470037369314427ebd70000000000000000000000000000000cdfb0fa21b95f8072c528f2858315775d7552e", @ANYRES32=0x0, @ANYBLOB="0c943d0559ff0600ff0000000c00018005000600c0000000100001800c00a03a03462081c7fc75d9ffffbf", @ANYRESDEC, @ANYRES64], 0x40}, 0x1, 0x0, 0x0, 0x4008000}, 0x44040) bind$packet(0xffffffffffffffff, &(0x7f0000000140)={0x11, 0xf0, 0x0, 0x1, 0x0, 0x6, @multicast}, 0x14) close_range(0xffffffffffffffff, 0xffffffffffffffff, 0x2) sendto$inet6(r0, &(0x7f0000847fff)='X', 0x34000, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) 18:00:57 executing program 5: ioctl$SNDRV_CTL_IOCTL_RAWMIDI_NEXT_DEVICE(0xffffffffffffffff, 0xc1205531, 0xfffffffffffffffc) syz_genetlink_get_family_id$devlink(0x0, 0xffffffffffffffff) r0 = syz_mount_image$vfat(&(0x7f0000000900), &(0x7f0000000940)='./file0\x00', 0x200007, 0x2, &(0x7f0000000700)=[{&(0x7f0000000000)="eb3c906d8d6673fdd2617400028001000240000004f801", 0x17}, {&(0x7f0000001440)="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", 0x140, 0x601}], 0x0, &(0x7f00000004c0)={[{@fat=@errors_remount}, {@shortname_win95}]}) mknodat$loop(r0, &(0x7f0000000000)='./file0\x00', 0x100, 0x0) 18:00:57 executing program 1: r0 = syz_mount_image$vfat(&(0x7f0000000900), &(0x7f0000000940)='./file0\x00', 0x200007, 0x2, &(0x7f0000000700)=[{&(0x7f0000000000)="eb3c906d8d6673fdd2617400028001000240000004f801", 0x17}, {&(0x7f0000001440)="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", 0x140, 0x601}], 0x0, &(0x7f00000004c0)={[{@shortname_winnt}, {@fat=@gid}, {@iocharset={'iocharset', 0x3d, 'cp866'}}, {@fat=@fmask={'fmask', 0x3d, 0x1ff}}, {@rodir}, {@uni_xlate}, {@utf8no}]}) mknodat$loop(r0, &(0x7f0000000000)='./file0\x00', 0x100, 0x0) [ 707.463498][T10523] loop5: detected capacity change from 0 to 4096 18:00:57 executing program 0: prctl$PR_SCHED_CORE(0x3e, 0x1, 0x0, 0x2, 0x0) r0 = syz_open_dev$sndmidi(&(0x7f0000000040), 0x2, 0x141101) r1 = dup(r0) write$6lowpan_enable(r1, &(0x7f0000000000)='0', 0xfffffd2c) r2 = getpid() tkill(r2, 0x0) syz_open_procfs(r2, &(0x7f0000000080)='net/dev\x00') r3 = socket$inet6_sctp(0xa, 0x5, 0x84) sendmsg$nl_route(0xffffffffffffffff, &(0x7f0000000980)={&(0x7f0000000440)={0x10, 0x0, 0x0, 0x10000000}, 0xc, &(0x7f0000000740)={&(0x7f0000000d00)=ANY=[@ANYBLOB="86f2407d8a204caf80b640e69a13fefeff6f0000042ba98cfcfccd470037369314427ebd70000000000000000000000000000000cdfb0fa21b95f8072c528f2858315775d7552e", @ANYRES32=0x0, @ANYBLOB="0c943d0559ff0600ff0000000c00018005000600c0000000100001800c00a03a03462081c7fc75d9ffffbf", @ANYRESDEC, @ANYRES64], 0x40}, 0x1, 0x0, 0x0, 0x4008000}, 0x44040) bind$packet(0xffffffffffffffff, &(0x7f0000000140)={0x11, 0xf0, 0x0, 0x1, 0x0, 0x6, @multicast}, 0x14) close_range(0xffffffffffffffff, 0xffffffffffffffff, 0x2) sendto$inet6(r3, &(0x7f0000847fff)='X', 0x34000, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) [ 707.605961][T10526] loop1: detected capacity change from 0 to 4096 18:00:58 executing program 4: prlimit64(0x0, 0xe, &(0x7f0000000140)={0x8}, 0x0) sched_setscheduler(0x0, 0x2, &(0x7f0000000080)=0x8) r0 = getpid() sched_setscheduler(r0, 0x1, &(0x7f0000001700)=0x4) socketpair$unix(0x1, 0x2, 0x0, &(0x7f0000000200)={0xffffffffffffffff, 0xffffffffffffffff}) connect$unix(r1, &(0x7f000057eff8)=@abs, 0x6e) sendmmsg$unix(r2, &(0x7f00000bd000), 0x318, 0x0) recvmmsg(r1, &(0x7f00000000c0), 0x10106, 0x2, 0x0) r3 = openat$loop_ctrl(0xffffff9c, &(0x7f0000000040), 0x0, 0x0) sendmmsg(r2, &(0x7f0000000fc0)=[{{&(0x7f0000000240)=@l2tp={0x2, 0x0, @loopback, 0x1}, 0x80, 0x0, 0x2b}}, {{0x0, 0x0, 0x0}}], 0x2, 0x440c4) r4 = getpid() tkill(r4, 0x0) sched_setaffinity(r4, 0x8, &(0x7f0000000000)=0x96f) ioctl$LOOP_CTL_ADD(r3, 0x4c80, 0x0) ioctl$LOOP_CTL_REMOVE(r3, 0x4c81, 0x0) 18:00:58 executing program 5: ioctl$SNDRV_CTL_IOCTL_RAWMIDI_NEXT_DEVICE(0xffffffffffffffff, 0xc1205531, 0xfffffffffffffffc) syz_genetlink_get_family_id$devlink(0x0, 0xffffffffffffffff) r0 = syz_mount_image$vfat(&(0x7f0000000900), &(0x7f0000000940)='./file0\x00', 0x200007, 0x2, &(0x7f0000000700)=[{&(0x7f0000000000)="eb3c906d8d6673fdd2617400028001000240000004f801", 0x17}, {&(0x7f0000001440)="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", 0x140, 0x601}], 0x0, &(0x7f00000004c0)={[{@fat=@errors_remount}, {@shortname_win95}]}) mknodat$loop(r0, &(0x7f0000000000)='./file0\x00', 0x100, 0x0) 18:00:58 executing program 1: prlimit64(0x0, 0xe, &(0x7f0000000140)={0x0, 0x8b}, 0x0) sched_setscheduler(0x0, 0x2, &(0x7f0000000080)=0x8) r0 = getpid() sched_setscheduler(r0, 0x1, &(0x7f0000001700)=0x4) socketpair$unix(0x1, 0x2, 0x0, &(0x7f0000000200)={0xffffffffffffffff, 0xffffffffffffffff}) connect$unix(r1, &(0x7f000057eff8)=@abs, 0x6e) sendmmsg$unix(r2, &(0x7f00000bd000), 0x318, 0x0) recvmmsg(r1, &(0x7f00000000c0), 0x10106, 0x2, 0x0) r3 = openat$loop_ctrl(0xffffff9c, &(0x7f0000000040), 0x0, 0x0) sendmmsg(r2, &(0x7f0000000fc0)=[{{&(0x7f0000000240)=@l2tp={0x2, 0x0, @loopback, 0x1}, 0x80, 0x0, 0x2b}}, {{0x0, 0x0, 0x0}}], 0x2, 0x440c4) r4 = getpid() tkill(r4, 0x0) sched_setaffinity(r4, 0x8, &(0x7f0000000000)=0x96f) ioctl$LOOP_CTL_ADD(r3, 0x4c80, 0x0) ioctl$LOOP_CTL_REMOVE(r3, 0x4c81, 0x0) [ 708.299994][T10532] loop5: detected capacity change from 0 to 4096 18:00:58 executing program 2: prlimit64(0x0, 0xe, &(0x7f0000000140)={0x0, 0x8b}, 0x0) sched_setscheduler(0x0, 0x2, &(0x7f0000000080)=0x8) r0 = getpid() sched_setscheduler(r0, 0x1, &(0x7f0000001700)=0x4) socketpair$unix(0x1, 0x2, 0x0, &(0x7f0000000200)={0xffffffffffffffff, 0xffffffffffffffff}) connect$unix(r1, &(0x7f000057eff8)=@abs, 0x6e) sendmmsg$unix(r2, &(0x7f00000bd000), 0x318, 0x0) recvmmsg(r1, &(0x7f00000000c0), 0x10106, 0x2, 0x0) r3 = openat$loop_ctrl(0xffffff9c, &(0x7f0000000040), 0x0, 0x0) sendmmsg(r2, &(0x7f0000000fc0)=[{{&(0x7f0000000240)=@l2tp={0x2, 0x0, @loopback, 0x1}, 0x80, 0x0, 0x2b}}, {{0x0, 0x0, 0x0}}], 0x2, 0x440c4) r4 = getpid() tkill(r4, 0x0) sched_setaffinity(r4, 0x8, &(0x7f0000000000)=0x96f) ioctl$LOOP_CTL_ADD(r3, 0x4c80, 0x0) ioctl$LOOP_CTL_REMOVE(r3, 0x4c81, 0x0) 18:00:58 executing program 3: prlimit64(0x0, 0xe, &(0x7f0000000140)={0x8, 0x8b}, 0x0) sched_setscheduler(0x0, 0x2, &(0x7f0000000080)=0x8) r0 = getpid() sched_setscheduler(r0, 0x1, &(0x7f0000001700)=0x4) socketpair$unix(0x1, 0x2, 0x0, &(0x7f0000000200)={0xffffffffffffffff, 0xffffffffffffffff}) recvmmsg(r1, &(0x7f00000000c0), 0x10106, 0x2, 0x0) r3 = openat$loop_ctrl(0xffffff9c, &(0x7f0000000040), 0x0, 0x0) sendmmsg(r2, 0x0, 0x0, 0x0) r4 = getpid() sched_setaffinity(r4, 0x8, &(0x7f0000000000)=0x96f) ioctl$LOOP_CTL_ADD(r3, 0x4c80, 0x0) ioctl$LOOP_CTL_REMOVE(0xffffffffffffffff, 0x4c81, 0x0) 18:00:58 executing program 5: prctl$PR_SCHED_CORE(0x3e, 0x1, 0x0, 0x2, 0x0) r0 = syz_open_dev$sndmidi(&(0x7f0000000040), 0x2, 0x141101) dup(r0) syz_open_procfs(0x0, &(0x7f0000000080)='net/dev\x00') r1 = socket$inet6_sctp(0xa, 0x5, 0x84) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r1, 0x84, 0x9, &(0x7f0000000580)={0x0, @in={{0x2, 0x0, @empty}}, 0x0, 0x0, 0x3fc, 0x0, 0x32}, 0x9c) bind$inet6(r1, &(0x7f00004b8fe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) sendmsg$nl_route(0xffffffffffffffff, &(0x7f0000000980)={&(0x7f0000000440)={0x10, 0x0, 0x0, 0x10000000}, 0xc, &(0x7f0000000740)={&(0x7f0000000d00)=ANY=[@ANYBLOB="86f2407d8a204caf80b640e69a13fefeff6f0000042ba98cfcfccd470037369314427ebd70000000000000000000000000000000cdfb0fa21b95f8072c528f2858315775d7552e", @ANYRES32=0x0, @ANYBLOB="0c943d0559ff0600ff0000000c00018005000600c0000000100001800c00a03a03462081c7fc75d9ffffbf", @ANYRESDEC, @ANYRES64], 0x40}, 0x1, 0x0, 0x0, 0x4008000}, 0x44040) bind$packet(0xffffffffffffffff, &(0x7f0000000140)={0x11, 0xf0, 0x0, 0x1, 0x0, 0x6, @multicast}, 0x14) close_range(0xffffffffffffffff, 0xffffffffffffffff, 0x2) sendto$inet6(r1, &(0x7f0000847fff)='X', 0x34000, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) 18:00:58 executing program 0: prctl$PR_SCHED_CORE(0x3e, 0x1, 0x0, 0x2, 0x0) r0 = syz_open_dev$sndmidi(&(0x7f0000000040), 0x2, 0x141101) dup(r0) syz_open_procfs(0x0, &(0x7f0000000080)='net/dev\x00') r1 = socket$inet6_sctp(0xa, 0x5, 0x84) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r1, 0x84, 0x9, &(0x7f0000000580)={0x0, @in={{0x2, 0x0, @empty}}, 0x0, 0x0, 0x3fc, 0x0, 0x32}, 0x9c) bind$inet6(r1, &(0x7f00004b8fe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) sendmsg$nl_route(0xffffffffffffffff, &(0x7f0000000980)={&(0x7f0000000440)={0x10, 0x0, 0x0, 0x10000000}, 0xc, &(0x7f0000000740)={&(0x7f0000000d00)=ANY=[@ANYBLOB="86f2407d8a204caf80b640e69a13fefeff6f0000042ba98cfcfccd470037369314427ebd70000000000000000000000000000000cdfb0fa21b95f8072c528f2858315775d7552e", @ANYRES32=0x0, @ANYBLOB="0c943d0559ff0600ff0000000c00018005000600c0000000100001800c00a03a03462081c7fc75d9ffffbf", @ANYRESDEC, @ANYRES64], 0x40}, 0x1, 0x0, 0x0, 0x4008000}, 0x44040) bind$packet(0xffffffffffffffff, &(0x7f0000000140)={0x11, 0xf0, 0x0, 0x1, 0x0, 0x6, @multicast}, 0x14) close_range(0xffffffffffffffff, 0xffffffffffffffff, 0x2) sendto$inet6(r1, &(0x7f0000847fff)='X', 0x34000, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) 18:00:58 executing program 5: prctl$PR_SCHED_CORE(0x3e, 0x1, 0x0, 0x2, 0x0) r0 = syz_open_dev$sndmidi(&(0x7f0000000040), 0x2, 0x141101) r1 = dup(r0) write$6lowpan_enable(r1, &(0x7f0000000000)='0', 0xfffffd2c) r2 = getpid() tkill(r2, 0x0) syz_open_procfs(r2, &(0x7f0000000080)='net/dev\x00') r3 = socket$inet6_sctp(0xa, 0x5, 0x84) sendmsg$nl_route(0xffffffffffffffff, &(0x7f0000000980)={&(0x7f0000000440)={0x10, 0x0, 0x0, 0x10000000}, 0xc, &(0x7f0000000740)={&(0x7f0000000d00)=ANY=[@ANYBLOB="86f2407d8a204caf80b640e69a13fefeff6f0000042ba98cfcfccd470037369314427ebd70000000000000000000000000000000cdfb0fa21b95f8072c528f2858315775d7552e", @ANYRES32=0x0, @ANYBLOB="0c943d0559ff0600ff0000000c00018005000600c0000000100001800c00a03a03462081c7fc75d9ffffbf", @ANYRESDEC, @ANYRES64], 0x40}, 0x1, 0x0, 0x0, 0x4008000}, 0x44040) bind$packet(0xffffffffffffffff, &(0x7f0000000140)={0x11, 0xf0, 0x0, 0x1, 0x0, 0x6, @multicast}, 0x14) close_range(0xffffffffffffffff, 0xffffffffffffffff, 0x2) sendto$inet6(r3, &(0x7f0000847fff)='X', 0x34000, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) 18:00:58 executing program 0: prctl$PR_SCHED_CORE(0x3e, 0x1, 0x0, 0x2, 0x0) r0 = syz_open_dev$sndmidi(&(0x7f0000000040), 0x2, 0x141101) dup(r0) syz_open_procfs(0x0, &(0x7f0000000080)='net/dev\x00') r1 = socket$inet6_sctp(0xa, 0x5, 0x84) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r1, 0x84, 0x9, &(0x7f0000000580)={0x0, @in={{0x2, 0x0, @empty}}, 0x0, 0x0, 0x3fc, 0x0, 0x32}, 0x9c) bind$inet6(r1, &(0x7f00004b8fe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) sendmsg$nl_route(0xffffffffffffffff, &(0x7f0000000980)={&(0x7f0000000440)={0x10, 0x0, 0x0, 0x10000000}, 0xc, &(0x7f0000000740)={&(0x7f0000000d00)=ANY=[@ANYBLOB="86f2407d8a204caf80b640e69a13fefeff6f0000042ba98cfcfccd470037369314427ebd70000000000000000000000000000000cdfb0fa21b95f8072c528f2858315775d7552e", @ANYRES32=0x0, @ANYBLOB="0c943d0559ff0600ff0000000c00018005000600c0000000100001800c00a03a03462081c7fc75d9ffffbf", @ANYRESDEC, @ANYRES64], 0x40}, 0x1, 0x0, 0x0, 0x4008000}, 0x44040) bind$packet(0xffffffffffffffff, &(0x7f0000000140)={0x11, 0xf0, 0x0, 0x1, 0x0, 0x6, @multicast}, 0x14) close_range(0xffffffffffffffff, 0xffffffffffffffff, 0x2) sendto$inet6(r1, &(0x7f0000847fff)='X', 0x34000, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) 18:00:59 executing program 5: r0 = syz_mount_image$vfat(&(0x7f0000000900), &(0x7f0000000940)='./file0\x00', 0x200007, 0x2, &(0x7f0000000700)=[{&(0x7f0000000000)="eb3c906d8d6673fdd2617400028001000240000004f801", 0x17}, {&(0x7f0000001440)="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", 0x140, 0x601}], 0x0, &(0x7f00000004c0)={[{@shortname_winnt}, {@fat=@gid}, {@iocharset={'iocharset', 0x3d, 'cp866'}}, {@fat=@fmask={'fmask', 0x3d, 0x1ff}}, {@rodir}, {@fat=@errors_remount}, {@shortname_win95}, {@uni_xlate}, {@utf8no}]}) mknodat$loop(r0, &(0x7f0000000000)='./file0\x00', 0x100, 0x0) [ 709.148356][T10560] loop5: detected capacity change from 0 to 4096 18:00:59 executing program 5: r0 = syz_mount_image$vfat(&(0x7f0000000900), &(0x7f0000000940)='./file0\x00', 0x200007, 0x2, &(0x7f0000000700)=[{&(0x7f0000000000)="eb3c906d8d6673fdd2617400028001000240000004f801", 0x17}, {&(0x7f0000001440)="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", 0x140, 0x601}], 0x0, &(0x7f00000004c0)={[{@shortname_winnt}, {@fat=@gid}, {@iocharset={'iocharset', 0x3d, 'cp866'}}, {@fat=@fmask={'fmask', 0x3d, 0x1ff}}, {@rodir}, {@fat=@errors_remount}, {@shortname_win95}, {@uni_xlate}, {@uni_xlate}, {@utf8no}]}) mknodat$loop(r0, &(0x7f0000000000)='./file0\x00', 0x100, 0x0) 18:00:59 executing program 3: prlimit64(0x0, 0xe, &(0x7f0000000140)={0x8, 0x8b}, 0x0) sched_setscheduler(0x0, 0x2, &(0x7f0000000080)=0x8) r0 = getpid() sched_setscheduler(r0, 0x1, &(0x7f0000001700)=0x4) socketpair$unix(0x1, 0x2, 0x0, &(0x7f0000000200)={0xffffffffffffffff, 0xffffffffffffffff}) recvmmsg(r1, &(0x7f00000000c0), 0x10106, 0x2, 0x0) r3 = openat$loop_ctrl(0xffffff9c, &(0x7f0000000040), 0x0, 0x0) sendmmsg(r2, 0x0, 0x0, 0x0) r4 = getpid() sched_setaffinity(r4, 0x8, &(0x7f0000000000)=0x96f) ioctl$LOOP_CTL_ADD(r3, 0x4c80, 0x0) ioctl$LOOP_CTL_REMOVE(0xffffffffffffffff, 0x4c81, 0x0) [ 709.393052][T10565] loop5: detected capacity change from 0 to 4096 18:01:00 executing program 4: prlimit64(0x0, 0xe, &(0x7f0000000140)={0x8}, 0x0) sched_setscheduler(0x0, 0x2, &(0x7f0000000080)=0x8) r0 = getpid() sched_setscheduler(r0, 0x1, &(0x7f0000001700)=0x4) socketpair$unix(0x1, 0x2, 0x0, &(0x7f0000000200)={0xffffffffffffffff, 0xffffffffffffffff}) connect$unix(r1, &(0x7f000057eff8)=@abs, 0x6e) sendmmsg$unix(r2, &(0x7f00000bd000), 0x318, 0x0) recvmmsg(r1, &(0x7f00000000c0), 0x10106, 0x2, 0x0) r3 = openat$loop_ctrl(0xffffff9c, &(0x7f0000000040), 0x0, 0x0) sendmmsg(r2, &(0x7f0000000fc0)=[{{&(0x7f0000000240)=@l2tp={0x2, 0x0, @loopback, 0x1}, 0x80, 0x0, 0x2b}}, {{0x0, 0x0, 0x0}}], 0x2, 0x440c4) r4 = getpid() tkill(r4, 0x0) sched_setaffinity(r4, 0x8, &(0x7f0000000000)=0x96f) ioctl$LOOP_CTL_ADD(r3, 0x4c80, 0x0) ioctl$LOOP_CTL_REMOVE(r3, 0x4c81, 0x0) 18:01:00 executing program 0: prctl$PR_SCHED_CORE(0x3e, 0x1, 0x0, 0x2, 0x0) r0 = syz_open_dev$sndmidi(&(0x7f0000000040), 0x2, 0x141101) r1 = dup(r0) write$6lowpan_enable(r1, &(0x7f0000000000)='0', 0xfffffd2c) syz_open_procfs(0x0, &(0x7f0000000080)='net/dev\x00') r2 = socket$inet6_sctp(0xa, 0x5, 0x84) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r2, 0x84, 0x9, &(0x7f0000000580)={0x0, @in={{0x2, 0x0, @empty}}, 0x0, 0x0, 0x3fc, 0x0, 0x32}, 0x9c) bind$inet6(r2, &(0x7f00004b8fe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) sendmsg$nl_route(0xffffffffffffffff, &(0x7f0000000980)={&(0x7f0000000440)={0x10, 0x0, 0x0, 0x10000000}, 0xc, &(0x7f0000000740)={&(0x7f0000000d00)=ANY=[@ANYBLOB="86f2407d8a204caf80b640e69a13fefeff6f0000042ba98cfcfccd470037369314427ebd70000000000000000000000000000000cdfb0fa21b95f8072c528f2858315775d7552e", @ANYRES32=0x0, @ANYBLOB="0c943d0559ff0600ff0000000c00018005000600c0000000100001800c00a03a03462081c7fc75d9ffffbf", @ANYRESDEC, @ANYRES64], 0x40}, 0x1, 0x0, 0x0, 0x4008000}, 0x44040) bind$packet(0xffffffffffffffff, &(0x7f0000000140)={0x11, 0xf0, 0x0, 0x1, 0x0, 0x6, @multicast}, 0x14) close_range(0xffffffffffffffff, 0xffffffffffffffff, 0x2) sendto$inet6(r2, &(0x7f0000847fff)='X', 0x34000, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) 18:01:00 executing program 5: r0 = syz_mount_image$vfat(&(0x7f0000000900), &(0x7f0000000940)='./file0\x00', 0x200007, 0x2, &(0x7f0000000700)=[{&(0x7f0000000000)="eb3c906d8d6673fdd2617400028001000240000004f801", 0x17}, {&(0x7f0000001440)="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", 0x140, 0x601}], 0x0, &(0x7f00000004c0)={[{@shortname_winnt}, {@fat=@gid}, {@iocharset={'iocharset', 0x3d, 'cp866'}}, {@fat=@fmask={'fmask', 0x3d, 0x1ff}}, {@rodir}, {@fat=@errors_remount}, {@shortname_win95}, {@uni_xlate}, {@uni_xlateno}, {@uni_xlate}, {@utf8no}]}) mknodat$loop(r0, &(0x7f0000000000)='./file0\x00', 0x100, 0x0) [ 710.137689][T10569] loop5: detected capacity change from 0 to 4096 18:01:00 executing program 2: r0 = syz_mount_image$vfat(&(0x7f0000000900), &(0x7f0000000940)='./file0\x00', 0x200007, 0x2, &(0x7f0000000700)=[{&(0x7f0000000000)="eb3c906d8d6673fdd2617400028001000240000004f801", 0x17}, {&(0x7f0000001440)="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", 0x140, 0x601}], 0x0, &(0x7f00000004c0)={[{@shortname_winnt}, {@fat=@gid}, {@iocharset={'iocharset', 0x3d, 'cp866'}}, {@fat=@fmask={'fmask', 0x3d, 0x1ff}}, {@rodir}, {@fat=@errors_remount}, {@shortname_win95}, {@uni_xlate}, {@uni_xlateno}, {@utf8}, {@utf8no}]}) mknodat$loop(r0, &(0x7f0000000000)='./file0\x00', 0x100, 0x0) 18:01:00 executing program 1: prctl$PR_SCHED_CORE(0x3e, 0x1, 0x0, 0x2, 0x0) r0 = syz_open_dev$sndmidi(&(0x7f0000000040), 0x2, 0x141101) r1 = dup(r0) write$6lowpan_enable(r1, &(0x7f0000000000)='0', 0xfffffd2c) r2 = getpid() tkill(r2, 0x0) syz_open_procfs(r2, &(0x7f0000000080)='net/dev\x00') r3 = socket$inet6_sctp(0xa, 0x5, 0x84) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r3, 0x84, 0x9, &(0x7f0000000580)={0x0, @in={{0x2, 0x0, @empty}}, 0x0, 0x0, 0x3fc, 0x0, 0x32}, 0x9c) bind$packet(0xffffffffffffffff, &(0x7f0000000140)={0x11, 0xf0, 0x0, 0x1, 0x0, 0x6, @multicast}, 0x14) close_range(0xffffffffffffffff, 0xffffffffffffffff, 0x2) sendto$inet6(r3, &(0x7f0000847fff)='X', 0x34000, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) 18:01:00 executing program 3: prlimit64(0x0, 0xe, &(0x7f0000000140)={0x8, 0x8b}, 0x0) sched_setscheduler(0x0, 0x2, &(0x7f0000000080)=0x8) r0 = getpid() sched_setscheduler(r0, 0x1, &(0x7f0000001700)=0x4) socketpair$unix(0x1, 0x2, 0x0, &(0x7f0000000200)={0xffffffffffffffff, 0xffffffffffffffff}) recvmmsg(r1, &(0x7f00000000c0), 0x10106, 0x2, 0x0) r3 = openat$loop_ctrl(0xffffff9c, &(0x7f0000000040), 0x0, 0x0) sendmmsg(r2, 0x0, 0x0, 0x0) r4 = getpid() sched_setaffinity(r4, 0x8, &(0x7f0000000000)=0x96f) ioctl$LOOP_CTL_ADD(r3, 0x4c80, 0x0) ioctl$LOOP_CTL_REMOVE(0xffffffffffffffff, 0x4c81, 0x0) 18:01:00 executing program 5: r0 = syz_mount_image$vfat(&(0x7f0000000900), &(0x7f0000000940)='./file0\x00', 0x200007, 0x2, &(0x7f0000000700)=[{&(0x7f0000000000)="eb3c906d8d6673fdd2617400028001000240000004f801", 0x17}, {&(0x7f0000001440)="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", 0x140, 0x601}], 0x0, &(0x7f00000004c0)={[{@shortname_winnt}, {@fat=@gid}, {@iocharset={'iocharset', 0x3d, 'cp866'}}, {@fat=@fmask={'fmask', 0x3d, 0x1ff}}, {@rodir}, {@fat=@errors_remount}, {@shortname_win95}, {@uni_xlate}, {@uni_xlateno}, {@utf8}, {@utf8no}]}) mknodat$loop(r0, &(0x7f0000000000)='./file0\x00', 0x100, 0x0) [ 710.374580][T10579] loop5: detected capacity change from 0 to 4096 [ 710.419783][T10582] loop2: detected capacity change from 0 to 4096 18:01:00 executing program 5: prlimit64(0x0, 0xe, 0x0, 0x0) sched_setscheduler(0x0, 0x2, &(0x7f0000000080)=0x8) r0 = getpid() sched_setscheduler(r0, 0x1, &(0x7f0000001700)=0x4) socketpair$unix(0x1, 0x2, 0x0, &(0x7f0000000200)={0xffffffffffffffff, 0xffffffffffffffff}) connect$unix(r1, &(0x7f000057eff8)=@abs, 0x6e) sendmmsg$unix(r2, &(0x7f00000bd000), 0x318, 0x0) recvmmsg(r1, &(0x7f00000000c0), 0x10106, 0x2, 0x0) r3 = openat$loop_ctrl(0xffffff9c, &(0x7f0000000040), 0x0, 0x0) sendmmsg(r2, &(0x7f0000000fc0)=[{{&(0x7f0000000240)=@l2tp={0x2, 0x0, @loopback, 0x1}, 0x80, 0x0, 0x2b}}, {{0x0, 0x0, 0x0}}], 0x2, 0x440c4) r4 = getpid() tkill(r4, 0x0) sched_setaffinity(r4, 0x8, &(0x7f0000000000)=0x96f) ioctl$LOOP_CTL_ADD(r3, 0x4c80, 0x0) ioctl$LOOP_CTL_REMOVE(r3, 0x4c81, 0x0) 18:01:00 executing program 2: prctl$PR_SCHED_CORE(0x3e, 0x1, 0x0, 0x2, 0x0) r0 = syz_open_dev$sndmidi(&(0x7f0000000040), 0x2, 0x141101) r1 = dup(r0) write$6lowpan_enable(r1, &(0x7f0000000000)='0', 0xfffffd2c) syz_open_procfs(0x0, &(0x7f0000000080)='net/dev\x00') r2 = socket$inet6_sctp(0xa, 0x5, 0x84) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r2, 0x84, 0x9, &(0x7f0000000580)={0x0, @in={{0x2, 0x0, @empty}}, 0x0, 0x0, 0x3fc, 0x0, 0x32}, 0x9c) bind$inet6(r2, &(0x7f00004b8fe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) sendmsg$nl_route(0xffffffffffffffff, &(0x7f0000000980)={&(0x7f0000000440)={0x10, 0x0, 0x0, 0x10000000}, 0xc, &(0x7f0000000740)={&(0x7f0000000d00)=ANY=[@ANYBLOB="86f2407d8a204caf80b640e69a13fefeff6f0000042ba98cfcfccd470037369314427ebd70000000000000000000000000000000cdfb0fa21b95f8072c528f2858315775d7552e", @ANYRES32=0x0, @ANYBLOB="0c943d0559ff0600ff0000000c00018005000600c0000000100001800c00a03a03462081c7fc75d9ffffbf", @ANYRESDEC, @ANYRES64], 0x40}, 0x1, 0x0, 0x0, 0x4008000}, 0x44040) bind$packet(0xffffffffffffffff, &(0x7f0000000140)={0x11, 0xf0, 0x0, 0x1, 0x0, 0x6, @multicast}, 0x14) close_range(0xffffffffffffffff, 0xffffffffffffffff, 0x2) sendto$inet6(r2, &(0x7f0000847fff)='X', 0x34000, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) 18:01:01 executing program 0: prctl$PR_SCHED_CORE(0x3e, 0x1, 0x0, 0x2, 0x0) r0 = syz_open_dev$sndmidi(&(0x7f0000000040), 0x2, 0x141101) r1 = dup(r0) write$6lowpan_enable(r1, &(0x7f0000000000)='0', 0xfffffd2c) r2 = getpid() tkill(r2, 0x0) syz_open_procfs(r2, &(0x7f0000000080)='net/dev\x00') r3 = socket$inet6_sctp(0xa, 0x5, 0x84) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r3, 0x84, 0x9, &(0x7f0000000580)={0x0, @in={{0x2, 0x0, @empty}}, 0x0, 0x0, 0x3fc, 0x0, 0x32}, 0x9c) bind$packet(0xffffffffffffffff, &(0x7f0000000140)={0x11, 0xf0, 0x0, 0x1, 0x0, 0x6, @multicast}, 0x14) close_range(0xffffffffffffffff, 0xffffffffffffffff, 0x2) sendto$inet6(r3, &(0x7f0000847fff)='X', 0x34000, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) 18:01:01 executing program 3: ioctl$SNDRV_CTL_IOCTL_RAWMIDI_NEXT_DEVICE(0xffffffffffffffff, 0xc1205531, 0xfffffffffffffffc) syz_genetlink_get_family_id$devlink(0x0, 0xffffffffffffffff) r0 = syz_mount_image$vfat(&(0x7f0000000900), &(0x7f0000000940)='./file0\x00', 0x200007, 0x2, &(0x7f0000000700)=[{&(0x7f0000000000)="eb3c906d8d6673fdd2617400028001000240000004f801", 0x17}, {&(0x7f0000001440)="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", 0x140, 0x601}], 0x0, &(0x7f00000004c0)={[{@shortname_winnt}, {@fat=@gid}, {@iocharset={'iocharset', 0x3d, 'cp866'}}, {@fat=@fmask={'fmask', 0x3d, 0x1ff}}, {@rodir}, {@shortname_win95}]}) mknodat$loop(r0, &(0x7f0000000000)='./file0\x00', 0x100, 0x0) [ 711.310051][T10595] loop3: detected capacity change from 0 to 4096 18:01:01 executing program 3: prctl$PR_SCHED_CORE(0x3e, 0x1, 0x0, 0x2, 0x0) r0 = syz_open_dev$sndmidi(&(0x7f0000000040), 0x2, 0x141101) r1 = dup(r0) write$6lowpan_enable(r1, &(0x7f0000000000)='0', 0xfffffd2c) r2 = getpid() syz_open_procfs(r2, &(0x7f0000000080)='net/dev\x00') r3 = socket$inet6_sctp(0xa, 0x5, 0x84) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r3, 0x84, 0x9, &(0x7f0000000580)={0x0, @in={{0x2, 0x0, @empty}}, 0x0, 0x0, 0x3fc, 0x0, 0x32}, 0x9c) bind$inet6(r3, &(0x7f00004b8fe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) sendmsg$nl_route(0xffffffffffffffff, &(0x7f0000000980)={&(0x7f0000000440)={0x10, 0x0, 0x0, 0x10000000}, 0xc, &(0x7f0000000740)={&(0x7f0000000d00)=ANY=[@ANYBLOB="86f2407d8a204caf80b640e69a13fefeff6f0000042ba98cfcfccd470037369314427ebd70000000000000000000000000000000cdfb0fa21b95f8072c528f2858315775d7552e", @ANYRES32=0x0, @ANYBLOB="0c943d0559ff0600ff0000000c00018005000600c0000000100001800c00a03a03462081c7fc75d9ffffbf", @ANYRESDEC, @ANYRES64], 0x40}, 0x1, 0x0, 0x0, 0x4008000}, 0x44040) bind$packet(0xffffffffffffffff, &(0x7f0000000140)={0x11, 0xf0, 0x0, 0x1, 0x0, 0x6, @multicast}, 0x14) close_range(0xffffffffffffffff, 0xffffffffffffffff, 0x2) sendto$inet6(r3, &(0x7f0000847fff)='X', 0x34000, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) 18:01:02 executing program 1: prctl$PR_SCHED_CORE(0x3e, 0x1, 0x0, 0x2, 0x0) r0 = syz_open_dev$sndmidi(&(0x7f0000000040), 0x2, 0x141101) r1 = dup(r0) write$6lowpan_enable(r1, &(0x7f0000000000)='0', 0xfffffd2c) r2 = getpid() tkill(r2, 0x0) syz_open_procfs(r2, &(0x7f0000000080)='net/dev\x00') r3 = socket$inet6_sctp(0xa, 0x5, 0x84) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r3, 0x84, 0x9, &(0x7f0000000580)={0x0, @in={{0x2, 0x0, @empty}}, 0x0, 0x0, 0x3fc, 0x0, 0x32}, 0x9c) bind$packet(0xffffffffffffffff, &(0x7f0000000140)={0x11, 0xf0, 0x0, 0x1, 0x0, 0x6, @multicast}, 0x14) close_range(0xffffffffffffffff, 0xffffffffffffffff, 0x2) sendto$inet6(r3, &(0x7f0000847fff)='X', 0x34000, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) 18:01:02 executing program 0: prctl$PR_SCHED_CORE(0x3e, 0x1, 0x0, 0x2, 0x0) r0 = syz_open_dev$sndmidi(&(0x7f0000000040), 0x2, 0x141101) r1 = dup(r0) write$6lowpan_enable(r1, &(0x7f0000000000)='0', 0xfffffd2c) r2 = getpid() tkill(r2, 0x0) syz_open_procfs(r2, &(0x7f0000000080)='net/dev\x00') r3 = socket$inet6_sctp(0xa, 0x5, 0x84) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r3, 0x84, 0x9, &(0x7f0000000580)={0x0, @in={{0x2, 0x0, @empty}}, 0x0, 0x0, 0x3fc, 0x0, 0x32}, 0x9c) bind$packet(0xffffffffffffffff, &(0x7f0000000140)={0x11, 0xf0, 0x0, 0x1, 0x0, 0x6, @multicast}, 0x14) close_range(0xffffffffffffffff, 0xffffffffffffffff, 0x2) sendto$inet6(r3, &(0x7f0000847fff)='X', 0x34000, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) 18:01:02 executing program 4: prctl$PR_SCHED_CORE(0x3e, 0x1, 0x0, 0x2, 0x0) r0 = syz_open_dev$sndmidi(&(0x7f0000000040), 0x2, 0x141101) r1 = dup(r0) write$6lowpan_enable(r1, &(0x7f0000000000)='0', 0xfffffd2c) r2 = getpid() tkill(r2, 0x0) syz_open_procfs(r2, &(0x7f0000000080)='net/dev\x00') r3 = socket$inet6_sctp(0xa, 0x5, 0x84) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r3, 0x84, 0x9, &(0x7f0000000580)={0x0, @in={{0x2, 0x0, @empty}}, 0x0, 0x0, 0x3fc, 0x0, 0x32}, 0x9c) bind$packet(0xffffffffffffffff, &(0x7f0000000140)={0x11, 0xf0, 0x0, 0x1, 0x0, 0x6, @multicast}, 0x14) close_range(0xffffffffffffffff, 0xffffffffffffffff, 0x2) sendto$inet6(r3, &(0x7f0000847fff)='X', 0x34000, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) 18:01:02 executing program 2: prctl$PR_SCHED_CORE(0x3e, 0x1, 0x0, 0x2, 0x0) r0 = syz_open_dev$sndmidi(&(0x7f0000000040), 0x2, 0x141101) r1 = dup(r0) write$6lowpan_enable(r1, &(0x7f0000000000)='0', 0xfffffd2c) syz_open_procfs(0x0, &(0x7f0000000080)='net/dev\x00') r2 = socket$inet6_sctp(0xa, 0x5, 0x84) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r2, 0x84, 0x9, &(0x7f0000000580)={0x0, @in={{0x2, 0x0, @empty}}, 0x0, 0x0, 0x3fc, 0x0, 0x32}, 0x9c) bind$inet6(r2, &(0x7f00004b8fe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) sendmsg$nl_route(0xffffffffffffffff, &(0x7f0000000980)={&(0x7f0000000440)={0x10, 0x0, 0x0, 0x10000000}, 0xc, &(0x7f0000000740)={&(0x7f0000000d00)=ANY=[@ANYBLOB="86f2407d8a204caf80b640e69a13fefeff6f0000042ba98cfcfccd470037369314427ebd70000000000000000000000000000000cdfb0fa21b95f8072c528f2858315775d7552e", @ANYRES32=0x0, @ANYBLOB="0c943d0559ff0600ff0000000c00018005000600c0000000100001800c00a03a03462081c7fc75d9ffffbf", @ANYRESDEC, @ANYRES64], 0x40}, 0x1, 0x0, 0x0, 0x4008000}, 0x44040) bind$packet(0xffffffffffffffff, &(0x7f0000000140)={0x11, 0xf0, 0x0, 0x1, 0x0, 0x6, @multicast}, 0x14) close_range(0xffffffffffffffff, 0xffffffffffffffff, 0x2) sendto$inet6(r2, &(0x7f0000847fff)='X', 0x34000, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) 18:01:02 executing program 3: prctl$PR_SCHED_CORE(0x3e, 0x1, 0x0, 0x2, 0x0) r0 = syz_open_dev$sndmidi(&(0x7f0000000040), 0x2, 0x141101) r1 = dup(r0) write$6lowpan_enable(r1, &(0x7f0000000000)='0', 0xfffffd2c) r2 = getpid() syz_open_procfs(r2, &(0x7f0000000080)='net/dev\x00') r3 = socket$inet6_sctp(0xa, 0x5, 0x84) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r3, 0x84, 0x9, &(0x7f0000000580)={0x0, @in={{0x2, 0x0, @empty}}, 0x0, 0x0, 0x3fc, 0x0, 0x32}, 0x9c) bind$inet6(r3, &(0x7f00004b8fe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) sendmsg$nl_route(0xffffffffffffffff, &(0x7f0000000980)={&(0x7f0000000440)={0x10, 0x0, 0x0, 0x10000000}, 0xc, &(0x7f0000000740)={&(0x7f0000000d00)=ANY=[@ANYBLOB="86f2407d8a204caf80b640e69a13fefeff6f0000042ba98cfcfccd470037369314427ebd70000000000000000000000000000000cdfb0fa21b95f8072c528f2858315775d7552e", @ANYRES32=0x0, @ANYBLOB="0c943d0559ff0600ff0000000c00018005000600c0000000100001800c00a03a03462081c7fc75d9ffffbf", @ANYRESDEC, @ANYRES64], 0x40}, 0x1, 0x0, 0x0, 0x4008000}, 0x44040) bind$packet(0xffffffffffffffff, &(0x7f0000000140)={0x11, 0xf0, 0x0, 0x1, 0x0, 0x6, @multicast}, 0x14) close_range(0xffffffffffffffff, 0xffffffffffffffff, 0x2) sendto$inet6(r3, &(0x7f0000847fff)='X', 0x34000, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) 18:01:02 executing program 5: prctl$PR_SCHED_CORE(0x3e, 0x1, 0x0, 0x2, 0x0) r0 = syz_open_dev$sndmidi(&(0x7f0000000040), 0x2, 0x141101) r1 = dup(r0) write$6lowpan_enable(r1, &(0x7f0000000000)='0', 0xfffffd2c) r2 = getpid() tkill(r2, 0x0) r3 = socket$inet6_sctp(0xa, 0x5, 0x84) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r3, 0x84, 0x9, &(0x7f0000000580)={0x0, @in={{0x2, 0x0, @empty}}, 0x0, 0x0, 0x3fc, 0x0, 0x32}, 0x9c) bind$inet6(r3, &(0x7f00004b8fe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) sendmsg$nl_route(0xffffffffffffffff, &(0x7f0000000980)={&(0x7f0000000440)={0x10, 0x0, 0x0, 0x10000000}, 0xc, &(0x7f0000000740)={&(0x7f0000000d00)=ANY=[@ANYBLOB="86f2407d8a204caf80b640e69a13fefeff6f0000042ba98cfcfccd470037369314427ebd70000000000000000000000000000000cdfb0fa21b95f8072c528f2858315775d7552e", @ANYRES32=0x0, @ANYBLOB="0c943d0559ff0600ff0000000c00018005000600c0000000100001800c00a03a03462081c7fc75d9ffffbf", @ANYRESDEC, @ANYRES64], 0x40}, 0x1, 0x0, 0x0, 0x4008000}, 0x44040) bind$packet(0xffffffffffffffff, &(0x7f0000000140)={0x11, 0xf0, 0x0, 0x1, 0x0, 0x6, @multicast}, 0x14) close_range(0xffffffffffffffff, 0xffffffffffffffff, 0x2) sendto$inet6(r3, &(0x7f0000847fff)='X', 0x34000, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) 18:01:03 executing program 1: prctl$PR_SCHED_CORE(0x3e, 0x1, 0x0, 0x2, 0x0) r0 = syz_open_dev$sndmidi(&(0x7f0000000040), 0x2, 0x141101) r1 = dup(r0) write$6lowpan_enable(r1, &(0x7f0000000000)='0', 0xfffffd2c) r2 = getpid() tkill(r2, 0x0) syz_open_procfs(r2, &(0x7f0000000080)='net/dev\x00') r3 = socket$inet6_sctp(0xa, 0x5, 0x84) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r3, 0x84, 0x9, &(0x7f0000000580)={0x0, @in={{0x2, 0x0, @empty}}, 0x0, 0x0, 0x3fc, 0x0, 0x32}, 0x9c) bind$packet(0xffffffffffffffff, &(0x7f0000000140)={0x11, 0xf0, 0x0, 0x1, 0x0, 0x6, @multicast}, 0x14) close_range(0xffffffffffffffff, 0xffffffffffffffff, 0x2) sendto$inet6(r3, &(0x7f0000847fff)='X', 0x34000, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) 18:01:03 executing program 2: prctl$PR_SCHED_CORE(0x3e, 0x1, 0x0, 0x2, 0x0) r0 = syz_open_dev$sndmidi(&(0x7f0000000040), 0x2, 0x141101) r1 = dup(r0) write$6lowpan_enable(r1, &(0x7f0000000000)='0', 0xfffffd2c) r2 = getpid() tkill(r2, 0x0) syz_open_procfs(r2, &(0x7f0000000080)='net/dev\x00') r3 = socket$inet6_sctp(0xa, 0x5, 0x84) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r3, 0x84, 0x9, &(0x7f0000000580)={0x0, @in={{0x2, 0x0, @empty}}, 0x0, 0x0, 0x3fc, 0x0, 0x32}, 0x9c) sendmsg$nl_route(0xffffffffffffffff, &(0x7f0000000980)={&(0x7f0000000440)={0x10, 0x0, 0x0, 0x10000000}, 0xc, &(0x7f0000000740)={&(0x7f0000000d00)=ANY=[@ANYBLOB="86f2407d8a204caf80b640e69a13fefeff6f0000042ba98cfcfccd470037369314427ebd70000000000000000000000000000000cdfb0fa21b95f8072c528f2858315775d7552e", @ANYRES32=0x0, @ANYBLOB="0c943d0559ff0600ff0000000c00018005000600c0000000100001800c00a03a03462081c7fc75d9ffffbf", @ANYRESDEC, @ANYRES64], 0x40}, 0x1, 0x0, 0x0, 0x4008000}, 0x44040) close_range(0xffffffffffffffff, 0xffffffffffffffff, 0x2) sendto$inet6(r3, &(0x7f0000847fff)='X', 0x34000, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) 18:01:03 executing program 0: prctl$PR_SCHED_CORE(0x3e, 0x1, 0x0, 0x2, 0x0) r0 = syz_open_dev$sndmidi(&(0x7f0000000040), 0x2, 0x141101) r1 = dup(r0) write$6lowpan_enable(r1, &(0x7f0000000000)='0', 0xfffffd2c) r2 = getpid() tkill(r2, 0x0) syz_open_procfs(r2, &(0x7f0000000080)='net/dev\x00') r3 = socket$inet6_sctp(0xa, 0x5, 0x84) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r3, 0x84, 0x9, &(0x7f0000000580)={0x0, @in={{0x2, 0x0, @empty}}, 0x0, 0x0, 0x3fc, 0x0, 0x32}, 0x9c) sendmsg$nl_route(0xffffffffffffffff, &(0x7f0000000980)={&(0x7f0000000440)={0x10, 0x0, 0x0, 0x10000000}, 0xc, &(0x7f0000000740)={&(0x7f0000000d00)=ANY=[@ANYBLOB="86f2407d8a204caf80b640e69a13fefeff6f0000042ba98cfcfccd470037369314427ebd70000000000000000000000000000000cdfb0fa21b95f8072c528f2858315775d7552e", @ANYRES32=0x0, @ANYBLOB="0c943d0559ff0600ff0000000c00018005000600c0000000100001800c00a03a03462081c7fc75d9ffffbf", @ANYRESDEC, @ANYRES64], 0x40}, 0x1, 0x0, 0x0, 0x4008000}, 0x44040) close_range(0xffffffffffffffff, 0xffffffffffffffff, 0x2) sendto$inet6(r3, &(0x7f0000847fff)='X', 0x34000, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) 18:01:03 executing program 4: prctl$PR_SCHED_CORE(0x3e, 0x1, 0x0, 0x2, 0x0) r0 = syz_open_dev$sndmidi(&(0x7f0000000040), 0x2, 0x141101) r1 = dup(r0) write$6lowpan_enable(r1, &(0x7f0000000000)='0', 0xfffffd2c) r2 = getpid() tkill(r2, 0x0) syz_open_procfs(r2, &(0x7f0000000080)='net/dev\x00') r3 = socket$inet6_sctp(0xa, 0x5, 0x84) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r3, 0x84, 0x9, &(0x7f0000000580)={0x0, @in={{0x2, 0x0, @empty}}, 0x0, 0x0, 0x3fc, 0x0, 0x32}, 0x9c) bind$packet(0xffffffffffffffff, &(0x7f0000000140)={0x11, 0xf0, 0x0, 0x1, 0x0, 0x6, @multicast}, 0x14) close_range(0xffffffffffffffff, 0xffffffffffffffff, 0x2) sendto$inet6(r3, &(0x7f0000847fff)='X', 0x34000, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) 18:01:03 executing program 3: prctl$PR_SCHED_CORE(0x3e, 0x1, 0x0, 0x2, 0x0) r0 = syz_open_dev$sndmidi(&(0x7f0000000040), 0x2, 0x141101) r1 = dup(r0) write$6lowpan_enable(r1, &(0x7f0000000000)='0', 0xfffffd2c) r2 = getpid() syz_open_procfs(r2, &(0x7f0000000080)='net/dev\x00') r3 = socket$inet6_sctp(0xa, 0x5, 0x84) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r3, 0x84, 0x9, &(0x7f0000000580)={0x0, @in={{0x2, 0x0, @empty}}, 0x0, 0x0, 0x3fc, 0x0, 0x32}, 0x9c) bind$inet6(r3, &(0x7f00004b8fe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) sendmsg$nl_route(0xffffffffffffffff, &(0x7f0000000980)={&(0x7f0000000440)={0x10, 0x0, 0x0, 0x10000000}, 0xc, &(0x7f0000000740)={&(0x7f0000000d00)=ANY=[@ANYBLOB="86f2407d8a204caf80b640e69a13fefeff6f0000042ba98cfcfccd470037369314427ebd70000000000000000000000000000000cdfb0fa21b95f8072c528f2858315775d7552e", @ANYRES32=0x0, @ANYBLOB="0c943d0559ff0600ff0000000c00018005000600c0000000100001800c00a03a03462081c7fc75d9ffffbf", @ANYRESDEC, @ANYRES64], 0x40}, 0x1, 0x0, 0x0, 0x4008000}, 0x44040) bind$packet(0xffffffffffffffff, &(0x7f0000000140)={0x11, 0xf0, 0x0, 0x1, 0x0, 0x6, @multicast}, 0x14) close_range(0xffffffffffffffff, 0xffffffffffffffff, 0x2) sendto$inet6(r3, &(0x7f0000847fff)='X', 0x34000, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) 18:01:04 executing program 5: prctl$PR_SCHED_CORE(0x3e, 0x1, 0x0, 0x2, 0x0) r0 = syz_open_dev$sndmidi(&(0x7f0000000040), 0x2, 0x141101) r1 = dup(r0) write$6lowpan_enable(r1, &(0x7f0000000000)='0', 0xfffffd2c) r2 = getpid() tkill(r2, 0x0) r3 = socket$inet6_sctp(0xa, 0x5, 0x84) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r3, 0x84, 0x9, &(0x7f0000000580)={0x0, @in={{0x2, 0x0, @empty}}, 0x0, 0x0, 0x3fc, 0x0, 0x32}, 0x9c) bind$inet6(r3, &(0x7f00004b8fe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) sendmsg$nl_route(0xffffffffffffffff, &(0x7f0000000980)={&(0x7f0000000440)={0x10, 0x0, 0x0, 0x10000000}, 0xc, &(0x7f0000000740)={&(0x7f0000000d00)=ANY=[@ANYBLOB="86f2407d8a204caf80b640e69a13fefeff6f0000042ba98cfcfccd470037369314427ebd70000000000000000000000000000000cdfb0fa21b95f8072c528f2858315775d7552e", @ANYRES32=0x0, @ANYBLOB="0c943d0559ff0600ff0000000c00018005000600c0000000100001800c00a03a03462081c7fc75d9ffffbf", @ANYRESDEC, @ANYRES64], 0x40}, 0x1, 0x0, 0x0, 0x4008000}, 0x44040) bind$packet(0xffffffffffffffff, &(0x7f0000000140)={0x11, 0xf0, 0x0, 0x1, 0x0, 0x6, @multicast}, 0x14) close_range(0xffffffffffffffff, 0xffffffffffffffff, 0x2) sendto$inet6(r3, &(0x7f0000847fff)='X', 0x34000, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) 18:01:04 executing program 4: ioctl$SNDRV_CTL_IOCTL_RAWMIDI_NEXT_DEVICE(0xffffffffffffffff, 0xc1205531, 0xfffffffffffffffc) syz_genetlink_get_family_id$devlink(0x0, 0xffffffffffffffff) r0 = syz_mount_image$vfat(&(0x7f0000000900), &(0x7f0000000940)='./file0\x00', 0x200007, 0x2, &(0x7f0000000700)=[{&(0x7f0000000000)="eb3c906d8d6673fdd2617400028001000240000004f801", 0x17}, {&(0x7f0000001440)="57595a4b414c4c45522020085ac19f69b8f2b2b1ea1b86fe96df5eed1df1df001cc2de850f1fff00000000000000005effac2ac4c15e29fb3c18edfff8d198e312475ffa1d000000000000ad25822a17b17f463e104179c19c2a000000000000000031ddc0777df2ec4f62826086704d703da32c57364aed74cd748a178abcaf1180ad796d06c19dbfeab6d3ed941a1cacccf272186cd3ca10ff022a10965e82db34eb6d694a58a9989a416b163d4c4bc298081185914835b501f8a68095f4971f6ce1898a89338c7c085e24c6593256f2fc4816ce2f4ae05785f0098163b801f28941f7d343ae0400742251c5e613ce9f4ad9c503ee759c7f55cb947f59ac5de9570000000000002ea02a000082000000000000000000874b195ee473f8b2658fd172f402cab0e5937d227c0000000000000002385a2452e4b6f7b064f3fa05", 0x140, 0x601}], 0x0, &(0x7f00000004c0)={[{@shortname_winnt}, {@fat=@gid}, {@iocharset={'iocharset', 0x3d, 'cp866'}}, {@fat=@fmask={'fmask', 0x3d, 0x1ff}}, {@rodir}, {@fat=@errors_remount}]}) mknodat$loop(r0, &(0x7f0000000000)='./file0\x00', 0x100, 0x0) 18:01:04 executing program 0: prctl$PR_SCHED_CORE(0x3e, 0x1, 0x0, 0x2, 0x0) r0 = syz_open_dev$sndmidi(&(0x7f0000000040), 0x2, 0x141101) r1 = dup(r0) write$6lowpan_enable(r1, &(0x7f0000000000)='0', 0xfffffd2c) r2 = getpid() tkill(r2, 0x0) r3 = socket$inet6_sctp(0xa, 0x5, 0x84) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r3, 0x84, 0x9, &(0x7f0000000580)={0x0, @in={{0x2, 0x0, @empty}}, 0x0, 0x0, 0x3fc, 0x0, 0x32}, 0x9c) bind$inet6(r3, &(0x7f00004b8fe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) sendmsg$nl_route(0xffffffffffffffff, &(0x7f0000000980)={&(0x7f0000000440)={0x10, 0x0, 0x0, 0x10000000}, 0xc, &(0x7f0000000740)={&(0x7f0000000d00)=ANY=[@ANYBLOB="86f2407d8a204caf80b640e69a13fefeff6f0000042ba98cfcfccd470037369314427ebd70000000000000000000000000000000cdfb0fa21b95f8072c528f2858315775d7552e", @ANYRES32=0x0, @ANYBLOB="0c943d0559ff0600ff0000000c00018005000600c0000000100001800c00a03a03462081c7fc75d9ffffbf", @ANYRESDEC, @ANYRES64], 0x40}, 0x1, 0x0, 0x0, 0x4008000}, 0x44040) bind$packet(0xffffffffffffffff, &(0x7f0000000140)={0x11, 0xf0, 0x0, 0x1, 0x0, 0x6, @multicast}, 0x14) close_range(0xffffffffffffffff, 0xffffffffffffffff, 0x2) sendto$inet6(r3, &(0x7f0000847fff)='X', 0x34000, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) 18:01:04 executing program 2: prctl$PR_SCHED_CORE(0x3e, 0x1, 0x0, 0x2, 0x0) r0 = syz_open_dev$sndmidi(&(0x7f0000000040), 0x2, 0x141101) r1 = dup(r0) write$6lowpan_enable(r1, &(0x7f0000000000)='0', 0xfffffd2c) r2 = getpid() tkill(r2, 0x0) syz_open_procfs(r2, &(0x7f0000000080)='net/dev\x00') r3 = socket$inet6_sctp(0xa, 0x5, 0x84) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r3, 0x84, 0x9, &(0x7f0000000580)={0x0, @in={{0x2, 0x0, @empty}}, 0x0, 0x0, 0x3fc, 0x0, 0x32}, 0x9c) sendmsg$nl_route(0xffffffffffffffff, &(0x7f0000000980)={&(0x7f0000000440)={0x10, 0x0, 0x0, 0x10000000}, 0xc, &(0x7f0000000740)={&(0x7f0000000d00)=ANY=[@ANYBLOB="86f2407d8a204caf80b640e69a13fefeff6f0000042ba98cfcfccd470037369314427ebd70000000000000000000000000000000cdfb0fa21b95f8072c528f2858315775d7552e", @ANYRES32=0x0, @ANYBLOB="0c943d0559ff0600ff0000000c00018005000600c0000000100001800c00a03a03462081c7fc75d9ffffbf", @ANYRESDEC, @ANYRES64], 0x40}, 0x1, 0x0, 0x0, 0x4008000}, 0x44040) close_range(0xffffffffffffffff, 0xffffffffffffffff, 0x2) sendto$inet6(r3, &(0x7f0000847fff)='X', 0x34000, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) 18:01:05 executing program 1: prctl$PR_SCHED_CORE(0x3e, 0x1, 0x0, 0x2, 0x0) r0 = syz_open_dev$sndmidi(&(0x7f0000000040), 0x2, 0x141101) r1 = dup(r0) write$6lowpan_enable(r1, &(0x7f0000000000)='0', 0xfffffd2c) r2 = getpid() tkill(r2, 0x0) syz_open_procfs(r2, &(0x7f0000000080)='net/dev\x00') r3 = socket$inet6_sctp(0xa, 0x5, 0x84) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r3, 0x84, 0x9, &(0x7f0000000580)={0x0, @in={{0x2, 0x0, @empty}}, 0x0, 0x0, 0x3fc, 0x0, 0x32}, 0x9c) bind$packet(0xffffffffffffffff, &(0x7f0000000140)={0x11, 0xf0, 0x0, 0x1, 0x0, 0x6, @multicast}, 0x14) sendto$inet6(r3, &(0x7f0000847fff)='X', 0x34000, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) [ 715.093954][T10639] loop4: detected capacity change from 0 to 4096 18:01:05 executing program 4: prctl$PR_SCHED_CORE(0x3e, 0x1, 0x0, 0x2, 0x0) r0 = syz_open_dev$sndmidi(&(0x7f0000000040), 0x2, 0x141101) r1 = dup(r0) write$6lowpan_enable(r1, &(0x7f0000000000)='0', 0xfffffd2c) r2 = getpid() tkill(r2, 0x0) r3 = socket$inet6_sctp(0xa, 0x5, 0x84) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r3, 0x84, 0x9, &(0x7f0000000580)={0x0, @in={{0x2, 0x0, @empty}}, 0x0, 0x0, 0x3fc, 0x0, 0x32}, 0x9c) bind$inet6(r3, &(0x7f00004b8fe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) sendmsg$nl_route(0xffffffffffffffff, &(0x7f0000000980)={&(0x7f0000000440)={0x10, 0x0, 0x0, 0x10000000}, 0xc, &(0x7f0000000740)={&(0x7f0000000d00)=ANY=[@ANYBLOB="86f2407d8a204caf80b640e69a13fefeff6f0000042ba98cfcfccd470037369314427ebd70000000000000000000000000000000cdfb0fa21b95f8072c528f2858315775d7552e", @ANYRES32=0x0, @ANYBLOB="0c943d0559ff0600ff0000000c00018005000600c0000000100001800c00a03a03462081c7fc75d9ffffbf", @ANYRESDEC, @ANYRES64], 0x40}, 0x1, 0x0, 0x0, 0x4008000}, 0x44040) bind$packet(0xffffffffffffffff, &(0x7f0000000140)={0x11, 0xf0, 0x0, 0x1, 0x0, 0x6, @multicast}, 0x14) close_range(0xffffffffffffffff, 0xffffffffffffffff, 0x2) sendto$inet6(r3, &(0x7f0000847fff)='X', 0x34000, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) 18:01:05 executing program 5: prctl$PR_SCHED_CORE(0x3e, 0x1, 0x0, 0x2, 0x0) r0 = syz_open_dev$sndmidi(&(0x7f0000000040), 0x2, 0x141101) r1 = dup(r0) write$6lowpan_enable(r1, &(0x7f0000000000)='0', 0xfffffd2c) r2 = getpid() tkill(r2, 0x0) r3 = socket$inet6_sctp(0xa, 0x5, 0x84) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r3, 0x84, 0x9, &(0x7f0000000580)={0x0, @in={{0x2, 0x0, @empty}}, 0x0, 0x0, 0x3fc, 0x0, 0x32}, 0x9c) bind$inet6(r3, &(0x7f00004b8fe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) sendmsg$nl_route(0xffffffffffffffff, &(0x7f0000000980)={&(0x7f0000000440)={0x10, 0x0, 0x0, 0x10000000}, 0xc, &(0x7f0000000740)={&(0x7f0000000d00)=ANY=[@ANYBLOB="86f2407d8a204caf80b640e69a13fefeff6f0000042ba98cfcfccd470037369314427ebd70000000000000000000000000000000cdfb0fa21b95f8072c528f2858315775d7552e", @ANYRES32=0x0, @ANYBLOB="0c943d0559ff0600ff0000000c00018005000600c0000000100001800c00a03a03462081c7fc75d9ffffbf", @ANYRESDEC, @ANYRES64], 0x40}, 0x1, 0x0, 0x0, 0x4008000}, 0x44040) bind$packet(0xffffffffffffffff, &(0x7f0000000140)={0x11, 0xf0, 0x0, 0x1, 0x0, 0x6, @multicast}, 0x14) close_range(0xffffffffffffffff, 0xffffffffffffffff, 0x2) sendto$inet6(r3, &(0x7f0000847fff)='X', 0x34000, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) 18:01:05 executing program 3: ioctl$SNDRV_CTL_IOCTL_RAWMIDI_NEXT_DEVICE(0xffffffffffffffff, 0xc1205531, 0xfffffffffffffffc) syz_genetlink_get_family_id$devlink(0x0, 0xffffffffffffffff) r0 = syz_mount_image$vfat(&(0x7f0000000900), &(0x7f0000000940)='./file0\x00', 0x200007, 0x2, &(0x7f0000000700)=[{&(0x7f0000000000)="eb3c906d8d6673fdd2617400028001000240000004f801", 0x17}, {&(0x7f0000001440)="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", 0x140, 0x601}], 0x0, &(0x7f00000004c0)={[{@shortname_winnt}, {@fat=@gid}, {@iocharset={'iocharset', 0x3d, 'cp866'}}, {@fat=@fmask={'fmask', 0x3d, 0x1ff}}, {@rodir}, {@fat=@errors_remount}, {@shortname_win95}, {@uni_xlate}]}) mknodat$loop(r0, &(0x7f0000000000)='./file0\x00', 0x100, 0x0) [ 715.572240][T10656] loop3: detected capacity change from 0 to 4096 18:01:05 executing program 3: ioctl$SNDRV_CTL_IOCTL_RAWMIDI_NEXT_DEVICE(0xffffffffffffffff, 0xc1205531, 0xfffffffffffffffc) syz_genetlink_get_family_id$devlink(0x0, 0xffffffffffffffff) r0 = syz_mount_image$vfat(&(0x7f0000000900), &(0x7f0000000940)='./file0\x00', 0x200007, 0x2, &(0x7f0000000700)=[{&(0x7f0000000000)="eb3c906d8d6673fdd2617400028001000240000004f801", 0x17}, {&(0x7f0000001440)="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", 0x140, 0x601}], 0x0, &(0x7f00000004c0)={[{@shortname_winnt}, {@fat=@gid}, {@iocharset={'iocharset', 0x3d, 'cp866'}}, {@fat=@fmask={'fmask', 0x3d, 0x1ff}}, {@rodir}, {@fat=@errors_remount}, {@shortname_win95}, {@uni_xlate}, {@uni_xlateno}, {@utf8}]}) mknodat$loop(r0, &(0x7f0000000000)='./file0\x00', 0x100, 0x0) [ 715.937090][T10659] loop3: detected capacity change from 0 to 4096 18:01:06 executing program 3: ioctl$SNDRV_CTL_IOCTL_RAWMIDI_NEXT_DEVICE(0xffffffffffffffff, 0xc1205531, 0xfffffffffffffffc) syz_genetlink_get_family_id$devlink(0x0, 0xffffffffffffffff) r0 = syz_mount_image$vfat(&(0x7f0000000900), &(0x7f0000000940)='./file0\x00', 0x200007, 0x2, &(0x7f0000000700)=[{&(0x7f0000000000)="eb3c906d8d6673fdd2617400028001000240000004f801", 0x17}, {&(0x7f0000001440)="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", 0x140, 0x601}], 0x0, &(0x7f00000004c0)={[{@shortname_winnt}, {@fat=@gid}, {@iocharset={'iocharset', 0x3d, 'cp866'}}, {@fat=@fmask={'fmask', 0x3d, 0x1ff}}, {@rodir}, {@fat=@errors_remount}, {@shortname_win95}, {@uni_xlate}, {@uni_xlateno}, {@utf8}]}) mknodat$loop(r0, &(0x7f0000000000)='./file0\x00', 0x100, 0x0) 18:01:06 executing program 1: prctl$PR_SCHED_CORE(0x3e, 0x1, 0x0, 0x2, 0x0) r0 = syz_open_dev$sndmidi(&(0x7f0000000040), 0x2, 0x141101) r1 = dup(r0) write$6lowpan_enable(r1, &(0x7f0000000000)='0', 0xfffffd2c) r2 = getpid() tkill(r2, 0x0) syz_open_procfs(r2, &(0x7f0000000080)='net/dev\x00') r3 = socket$inet6_sctp(0xa, 0x5, 0x84) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r3, 0x84, 0x9, &(0x7f0000000580)={0x0, @in={{0x2, 0x0, @empty}}, 0x0, 0x0, 0x3fc, 0x0, 0x32}, 0x9c) sendto$inet6(r3, &(0x7f0000847fff)='X', 0x34000, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) 18:01:06 executing program 0: prctl$PR_SCHED_CORE(0x3e, 0x1, 0x0, 0x2, 0x0) r0 = syz_open_dev$sndmidi(&(0x7f0000000040), 0x2, 0x141101) r1 = dup(r0) write$6lowpan_enable(r1, &(0x7f0000000000)='0', 0xfffffd2c) r2 = getpid() tkill(r2, 0x0) r3 = socket$inet6_sctp(0xa, 0x5, 0x84) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r3, 0x84, 0x9, &(0x7f0000000580)={0x0, @in={{0x2, 0x0, @empty}}, 0x0, 0x0, 0x3fc, 0x0, 0x32}, 0x9c) bind$inet6(r3, &(0x7f00004b8fe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) sendmsg$nl_route(0xffffffffffffffff, &(0x7f0000000980)={&(0x7f0000000440)={0x10, 0x0, 0x0, 0x10000000}, 0xc, &(0x7f0000000740)={&(0x7f0000000d00)=ANY=[@ANYBLOB="86f2407d8a204caf80b640e69a13fefeff6f0000042ba98cfcfccd470037369314427ebd70000000000000000000000000000000cdfb0fa21b95f8072c528f2858315775d7552e", @ANYRES32=0x0, @ANYBLOB="0c943d0559ff0600ff0000000c00018005000600c0000000100001800c00a03a03462081c7fc75d9ffffbf", @ANYRESDEC, @ANYRES64], 0x40}, 0x1, 0x0, 0x0, 0x4008000}, 0x44040) bind$packet(0xffffffffffffffff, &(0x7f0000000140)={0x11, 0xf0, 0x0, 0x1, 0x0, 0x6, @multicast}, 0x14) close_range(0xffffffffffffffff, 0xffffffffffffffff, 0x2) sendto$inet6(r3, &(0x7f0000847fff)='X', 0x34000, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) [ 716.286244][T10663] loop3: detected capacity change from 0 to 4096 18:01:06 executing program 2: prctl$PR_SCHED_CORE(0x3e, 0x1, 0x0, 0x2, 0x0) r0 = syz_open_dev$sndmidi(&(0x7f0000000040), 0x2, 0x141101) r1 = dup(r0) write$6lowpan_enable(r1, &(0x7f0000000000)='0', 0xfffffd2c) r2 = getpid() tkill(r2, 0x0) syz_open_procfs(r2, &(0x7f0000000080)='net/dev\x00') r3 = socket$inet6_sctp(0xa, 0x5, 0x84) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r3, 0x84, 0x9, &(0x7f0000000580)={0x0, @in={{0x2, 0x0, @empty}}, 0x0, 0x0, 0x3fc, 0x0, 0x32}, 0x9c) bind$packet(0xffffffffffffffff, &(0x7f0000000140)={0x11, 0xf0, 0x0, 0x1, 0x0, 0x6, @multicast}, 0x14) sendto$inet6(r3, &(0x7f0000847fff)='X', 0x34000, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) 18:01:06 executing program 4: prctl$PR_SCHED_CORE(0x3e, 0x1, 0x0, 0x2, 0x0) r0 = syz_open_dev$sndmidi(&(0x7f0000000040), 0x2, 0x141101) r1 = dup(r0) write$6lowpan_enable(r1, &(0x7f0000000000)='0', 0xfffffd2c) r2 = getpid() tkill(r2, 0x0) r3 = socket$inet6_sctp(0xa, 0x5, 0x84) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r3, 0x84, 0x9, &(0x7f0000000580)={0x0, @in={{0x2, 0x0, @empty}}, 0x0, 0x0, 0x3fc, 0x0, 0x32}, 0x9c) bind$inet6(r3, &(0x7f00004b8fe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) sendmsg$nl_route(0xffffffffffffffff, &(0x7f0000000980)={&(0x7f0000000440)={0x10, 0x0, 0x0, 0x10000000}, 0xc, &(0x7f0000000740)={&(0x7f0000000d00)=ANY=[@ANYBLOB="86f2407d8a204caf80b640e69a13fefeff6f0000042ba98cfcfccd470037369314427ebd70000000000000000000000000000000cdfb0fa21b95f8072c528f2858315775d7552e", @ANYRES32=0x0, @ANYBLOB="0c943d0559ff0600ff0000000c00018005000600c0000000100001800c00a03a03462081c7fc75d9ffffbf", @ANYRESDEC, @ANYRES64], 0x40}, 0x1, 0x0, 0x0, 0x4008000}, 0x44040) bind$packet(0xffffffffffffffff, &(0x7f0000000140)={0x11, 0xf0, 0x0, 0x1, 0x0, 0x6, @multicast}, 0x14) close_range(0xffffffffffffffff, 0xffffffffffffffff, 0x2) sendto$inet6(r3, &(0x7f0000847fff)='X', 0x34000, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) 18:01:06 executing program 3: prctl$PR_SCHED_CORE(0x3e, 0x1, 0x0, 0x2, 0x0) r0 = syz_open_dev$sndmidi(&(0x7f0000000040), 0x2, 0x141101) r1 = dup(r0) write$6lowpan_enable(r1, &(0x7f0000000000)='0', 0xfffffd2c) r2 = getpid() tkill(r2, 0x0) syz_open_procfs(r2, &(0x7f0000000080)='net/dev\x00') r3 = socket$inet6_sctp(0xa, 0x5, 0x84) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r3, 0x84, 0x9, &(0x7f0000000580)={0x0, @in={{0x2, 0x0, @empty}}, 0x0, 0x0, 0x3fc, 0x0, 0x32}, 0x9c) sendmsg$nl_route(0xffffffffffffffff, &(0x7f0000000980)={&(0x7f0000000440)={0x10, 0x0, 0x0, 0x10000000}, 0xc, &(0x7f0000000740)={&(0x7f0000000d00)=ANY=[@ANYBLOB="86f2407d8a204caf80b640e69a13fefeff6f0000042ba98cfcfccd470037369314427ebd70000000000000000000000000000000cdfb0fa21b95f8072c528f2858315775d7552e", @ANYRES32=0x0, @ANYBLOB="0c943d0559ff0600ff0000000c00018005000600c0000000100001800c00a03a03462081c7fc75d9ffffbf", @ANYRESDEC, @ANYRES64], 0x40}, 0x1, 0x0, 0x0, 0x4008000}, 0x44040) close_range(0xffffffffffffffff, 0xffffffffffffffff, 0x2) sendto$inet6(r3, &(0x7f0000847fff)='X', 0x34000, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) 18:01:06 executing program 5: prctl$PR_SCHED_CORE(0x3e, 0x1, 0x0, 0x2, 0x0) r0 = syz_open_dev$sndmidi(&(0x7f0000000040), 0x2, 0x141101) r1 = dup(r0) write$6lowpan_enable(r1, &(0x7f0000000000)='0', 0xfffffd2c) r2 = getpid() tkill(r2, 0x0) syz_open_procfs(r2, &(0x7f0000000080)='net/dev\x00') r3 = socket$inet6_sctp(0xa, 0x5, 0x84) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r3, 0x84, 0x9, &(0x7f0000000580)={0x0, @in={{0x2, 0x0, @empty}}, 0x0, 0x0, 0x3fc, 0x0, 0x32}, 0x9c) sendmsg$nl_route(0xffffffffffffffff, &(0x7f0000000980)={&(0x7f0000000440)={0x10, 0x0, 0x0, 0x10000000}, 0xc, &(0x7f0000000740)={&(0x7f0000000d00)=ANY=[@ANYBLOB="86f2407d8a204caf80b640e69a13fefeff6f0000042ba98cfcfccd470037369314427ebd70000000000000000000000000000000cdfb0fa21b95f8072c528f2858315775d7552e", @ANYRES32=0x0, @ANYBLOB="0c943d0559ff0600ff0000000c00018005000600c0000000100001800c00a03a03462081c7fc75d9ffffbf", @ANYRESDEC, @ANYRES64], 0x40}, 0x1, 0x0, 0x0, 0x4008000}, 0x44040) bind$packet(0xffffffffffffffff, &(0x7f0000000140)={0x11, 0xf0, 0x0, 0x1, 0x0, 0x6, @multicast}, 0x14) sendto$inet6(r3, &(0x7f0000847fff)='X', 0x34000, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) 18:01:07 executing program 1: prctl$PR_SCHED_CORE(0x3e, 0x1, 0x0, 0x2, 0x0) r0 = syz_open_dev$sndmidi(&(0x7f0000000040), 0x2, 0x141101) r1 = dup(r0) write$6lowpan_enable(r1, &(0x7f0000000000)='0', 0xfffffd2c) r2 = getpid() tkill(r2, 0x0) syz_open_procfs(r2, &(0x7f0000000080)='net/dev\x00') r3 = socket$inet6_sctp(0xa, 0x5, 0x84) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r3, 0x84, 0x9, &(0x7f0000000580)={0x0, @in={{0x2, 0x0, @empty}}, 0x0, 0x0, 0x3fc, 0x0, 0x32}, 0x9c) sendto$inet6(r3, &(0x7f0000847fff)='X', 0x34000, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) 18:01:07 executing program 2: prctl$PR_SCHED_CORE(0x3e, 0x1, 0x0, 0x2, 0x0) r0 = syz_open_dev$sndmidi(&(0x7f0000000040), 0x2, 0x141101) r1 = dup(r0) write$6lowpan_enable(r1, &(0x7f0000000000)='0', 0xfffffd2c) r2 = getpid() tkill(r2, 0x0) syz_open_procfs(r2, &(0x7f0000000080)='net/dev\x00') r3 = socket$inet6_sctp(0xa, 0x5, 0x84) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r3, 0x84, 0x9, &(0x7f0000000580)={0x0, @in={{0x2, 0x0, @empty}}, 0x0, 0x0, 0x3fc, 0x0, 0x32}, 0x9c) sendto$inet6(r3, &(0x7f0000847fff)='X', 0x34000, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) 18:01:07 executing program 0: prlimit64(0x0, 0x0, &(0x7f0000000140)={0x8, 0x8b}, 0x0) sched_setscheduler(0x0, 0x2, &(0x7f0000000080)=0x8) r0 = getpid() sched_setscheduler(r0, 0x1, &(0x7f0000001700)=0x4) socketpair$unix(0x1, 0x2, 0x0, &(0x7f0000000200)={0xffffffffffffffff, 0xffffffffffffffff}) connect$unix(r1, &(0x7f000057eff8)=@abs, 0x6e) sendmmsg$unix(r2, &(0x7f00000bd000), 0x318, 0x0) recvmmsg(r1, &(0x7f00000000c0), 0x10106, 0x2, 0x0) r3 = openat$loop_ctrl(0xffffff9c, &(0x7f0000000040), 0x0, 0x0) sendmmsg(r2, &(0x7f0000000fc0)=[{{&(0x7f0000000240)=@l2tp={0x2, 0x0, @loopback, 0x1}, 0x80, 0x0, 0x2b}}, {{0x0, 0x0, 0x0}}], 0x2, 0x440c4) r4 = getpid() tkill(r4, 0x0) sched_setaffinity(r4, 0x8, &(0x7f0000000000)=0x96f) ioctl$LOOP_CTL_ADD(r3, 0x4c80, 0x0) ioctl$LOOP_CTL_REMOVE(r3, 0x4c81, 0x0) 18:01:07 executing program 4: prctl$PR_SCHED_CORE(0x3e, 0x1, 0x0, 0x2, 0x0) r0 = syz_open_dev$sndmidi(&(0x7f0000000040), 0x2, 0x141101) r1 = dup(r0) write$6lowpan_enable(r1, &(0x7f0000000000)='0', 0xfffffd2c) r2 = getpid() tkill(r2, 0x0) syz_open_procfs(r2, &(0x7f0000000080)='net/dev\x00') r3 = socket$inet6_sctp(0xa, 0x5, 0x84) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r3, 0x84, 0x9, &(0x7f0000000580)={0x0, @in={{0x2, 0x0, @empty}}, 0x0, 0x0, 0x3fc, 0x0, 0x32}, 0x9c) sendmsg$nl_route(0xffffffffffffffff, &(0x7f0000000980)={&(0x7f0000000440)={0x10, 0x0, 0x0, 0x10000000}, 0xc, &(0x7f0000000740)={&(0x7f0000000d00)=ANY=[@ANYBLOB="86f2407d8a204caf80b640e69a13fefeff6f0000042ba98cfcfccd470037369314427ebd70000000000000000000000000000000cdfb0fa21b95f8072c528f2858315775d7552e", @ANYRES32=0x0, @ANYBLOB="0c943d0559ff0600ff0000000c00018005000600c0000000100001800c00a03a03462081c7fc75d9ffffbf", @ANYRESDEC, @ANYRES64], 0x40}, 0x1, 0x0, 0x0, 0x4008000}, 0x44040) bind$packet(0xffffffffffffffff, &(0x7f0000000140)={0x11, 0xf0, 0x0, 0x1, 0x0, 0x6, @multicast}, 0x14) sendto$inet6(r3, &(0x7f0000847fff)='X', 0x34000, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) 18:01:07 executing program 3: prctl$PR_SCHED_CORE(0x3e, 0x1, 0x0, 0x2, 0x0) r0 = syz_open_dev$sndmidi(&(0x7f0000000040), 0x2, 0x141101) r1 = dup(r0) write$6lowpan_enable(r1, &(0x7f0000000000)='0', 0xfffffd2c) r2 = getpid() tkill(r2, 0x0) syz_open_procfs(r2, &(0x7f0000000080)='net/dev\x00') r3 = socket$inet6_sctp(0xa, 0x5, 0x84) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r3, 0x84, 0x9, &(0x7f0000000580)={0x0, @in={{0x2, 0x0, @empty}}, 0x0, 0x0, 0x3fc, 0x0, 0x32}, 0x9c) sendmsg$nl_route(0xffffffffffffffff, &(0x7f0000000980)={&(0x7f0000000440)={0x10, 0x0, 0x0, 0x10000000}, 0xc, &(0x7f0000000740)={&(0x7f0000000d00)=ANY=[@ANYBLOB="86f2407d8a204caf80b640e69a13fefeff6f0000042ba98cfcfccd470037369314427ebd70000000000000000000000000000000cdfb0fa21b95f8072c528f2858315775d7552e", @ANYRES32=0x0, @ANYBLOB="0c943d0559ff0600ff0000000c00018005000600c0000000100001800c00a03a03462081c7fc75d9ffffbf", @ANYRESDEC, @ANYRES64], 0x40}, 0x1, 0x0, 0x0, 0x4008000}, 0x44040) close_range(0xffffffffffffffff, 0xffffffffffffffff, 0x2) sendto$inet6(r3, &(0x7f0000847fff)='X', 0x34000, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) 18:01:07 executing program 5: prctl$PR_SCHED_CORE(0x3e, 0x1, 0x0, 0x2, 0x0) r0 = syz_open_dev$sndmidi(&(0x7f0000000040), 0x2, 0x141101) r1 = dup(r0) write$6lowpan_enable(r1, &(0x7f0000000000)='0', 0xfffffd2c) r2 = getpid() tkill(r2, 0x0) syz_open_procfs(r2, &(0x7f0000000080)='net/dev\x00') r3 = socket$inet6_sctp(0xa, 0x5, 0x84) bind$inet6(r3, &(0x7f00004b8fe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) sendmsg$nl_route(0xffffffffffffffff, &(0x7f0000000980)={&(0x7f0000000440)={0x10, 0x0, 0x0, 0x10000000}, 0xc, &(0x7f0000000740)={&(0x7f0000000d00)=ANY=[@ANYBLOB="86f2407d8a204caf80b640e69a13fefeff6f0000042ba98cfcfccd470037369314427ebd70000000000000000000000000000000cdfb0fa21b95f8072c528f2858315775d7552e", @ANYRES32=0x0, @ANYBLOB="0c943d0559ff0600ff0000000c00018005000600c0000000100001800c00a03a03462081c7fc75d9ffffbf", @ANYRESDEC, @ANYRES64], 0x40}, 0x1, 0x0, 0x0, 0x4008000}, 0x44040) bind$packet(0xffffffffffffffff, &(0x7f0000000140)={0x11, 0xf0, 0x0, 0x1, 0x0, 0x6, @multicast}, 0x14) close_range(0xffffffffffffffff, 0xffffffffffffffff, 0x2) sendto$inet6(r3, &(0x7f0000847fff)='X', 0x34000, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) 18:01:08 executing program 1: prctl$PR_SCHED_CORE(0x3e, 0x1, 0x0, 0x2, 0x0) r0 = syz_open_dev$sndmidi(&(0x7f0000000040), 0x2, 0x141101) r1 = dup(r0) write$6lowpan_enable(r1, &(0x7f0000000000)='0', 0xfffffd2c) r2 = getpid() tkill(r2, 0x0) syz_open_procfs(r2, &(0x7f0000000080)='net/dev\x00') r3 = socket$inet6_sctp(0xa, 0x5, 0x84) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r3, 0x84, 0x9, &(0x7f0000000580)={0x0, @in={{0x2, 0x0, @empty}}, 0x0, 0x0, 0x3fc, 0x0, 0x32}, 0x9c) sendto$inet6(r3, &(0x7f0000847fff)='X', 0x34000, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) 18:01:08 executing program 2: prctl$PR_SCHED_CORE(0x3e, 0x1, 0x0, 0x2, 0x0) r0 = syz_open_dev$sndmidi(&(0x7f0000000040), 0x2, 0x141101) r1 = dup(r0) write$6lowpan_enable(r1, &(0x7f0000000000)='0', 0xfffffd2c) r2 = getpid() tkill(r2, 0x0) syz_open_procfs(r2, &(0x7f0000000080)='net/dev\x00') r3 = socket$inet6_sctp(0xa, 0x5, 0x84) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r3, 0x84, 0x9, &(0x7f0000000580)={0x0, @in={{0x2, 0x0, @empty}}, 0x0, 0x0, 0x3fc, 0x0, 0x32}, 0x9c) sendto$inet6(r3, &(0x7f0000847fff)='X', 0x34000, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) 18:01:09 executing program 1: prctl$PR_SCHED_CORE(0x3e, 0x1, 0x0, 0x2, 0x0) r0 = syz_open_dev$sndmidi(&(0x7f0000000040), 0x2, 0x141101) r1 = dup(r0) write$6lowpan_enable(r1, &(0x7f0000000000)='0', 0xfffffd2c) r2 = getpid() tkill(r2, 0x0) syz_open_procfs(r2, &(0x7f0000000080)='net/dev\x00') r3 = socket$inet6_sctp(0xa, 0x5, 0x84) bind$packet(0xffffffffffffffff, &(0x7f0000000140)={0x11, 0xf0, 0x0, 0x1, 0x0, 0x6, @multicast}, 0x14) sendto$inet6(r3, &(0x7f0000847fff)='X', 0x34000, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) 18:01:09 executing program 5: prctl$PR_SCHED_CORE(0x3e, 0x1, 0x0, 0x2, 0x0) r0 = syz_open_dev$sndmidi(&(0x7f0000000040), 0x2, 0x141101) r1 = dup(r0) write$6lowpan_enable(r1, &(0x7f0000000000)='0', 0xfffffd2c) r2 = getpid() tkill(r2, 0x0) syz_open_procfs(r2, &(0x7f0000000080)='net/dev\x00') r3 = socket$inet6_sctp(0xa, 0x5, 0x84) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r3, 0x84, 0x9, &(0x7f0000000580)={0x0, @in={{0x2, 0x0, @empty}}, 0x0, 0x0, 0x3fc, 0x0, 0x32}, 0x9c) sendmsg$nl_route(0xffffffffffffffff, &(0x7f0000000980)={&(0x7f0000000440)={0x10, 0x0, 0x0, 0x10000000}, 0xc, &(0x7f0000000740)={&(0x7f0000000d00)=ANY=[@ANYBLOB="86f2407d8a204caf80b640e69a13fefeff6f0000042ba98cfcfccd470037369314427ebd70000000000000000000000000000000cdfb0fa21b95f8072c528f2858315775d7552e", @ANYRES32=0x0, @ANYBLOB="0c943d0559ff0600ff0000000c00018005000600c0000000100001800c00a03a03462081c7fc75d9ffffbf", @ANYRESDEC, @ANYRES64], 0x40}, 0x1, 0x0, 0x0, 0x4008000}, 0x44040) bind$packet(0xffffffffffffffff, &(0x7f0000000140)={0x11, 0xf0, 0x0, 0x1, 0x0, 0x6, @multicast}, 0x14) sendto$inet6(r3, &(0x7f0000847fff)='X', 0x34000, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) 18:01:09 executing program 4: prctl$PR_SCHED_CORE(0x3e, 0x1, 0x0, 0x2, 0x0) r0 = syz_open_dev$sndmidi(&(0x7f0000000040), 0x2, 0x141101) r1 = dup(r0) write$6lowpan_enable(r1, &(0x7f0000000000)='0', 0xfffffd2c) r2 = getpid() tkill(r2, 0x0) syz_open_procfs(r2, &(0x7f0000000080)='net/dev\x00') r3 = socket$inet6_sctp(0xa, 0x5, 0x84) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r3, 0x84, 0x9, &(0x7f0000000580)={0x0, @in={{0x2, 0x0, @empty}}, 0x0, 0x0, 0x3fc, 0x0, 0x32}, 0x9c) sendmsg$nl_route(0xffffffffffffffff, &(0x7f0000000980)={&(0x7f0000000440)={0x10, 0x0, 0x0, 0x10000000}, 0xc, &(0x7f0000000740)={&(0x7f0000000d00)=ANY=[@ANYBLOB="86f2407d8a204caf80b640e69a13fefeff6f0000042ba98cfcfccd470037369314427ebd70000000000000000000000000000000cdfb0fa21b95f8072c528f2858315775d7552e", @ANYRES32=0x0, @ANYBLOB="0c943d0559ff0600ff0000000c00018005000600c0000000100001800c00a03a03462081c7fc75d9ffffbf", @ANYRESDEC, @ANYRES64], 0x40}, 0x1, 0x0, 0x0, 0x4008000}, 0x44040) bind$packet(0xffffffffffffffff, &(0x7f0000000140)={0x11, 0xf0, 0x0, 0x1, 0x0, 0x6, @multicast}, 0x14) sendto$inet6(r3, &(0x7f0000847fff)='X', 0x34000, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) 18:01:09 executing program 3: prctl$PR_SCHED_CORE(0x3e, 0x1, 0x0, 0x2, 0x0) r0 = syz_open_dev$sndmidi(&(0x7f0000000040), 0x2, 0x141101) r1 = dup(r0) write$6lowpan_enable(r1, &(0x7f0000000000)='0', 0xfffffd2c) r2 = getpid() tkill(r2, 0x0) syz_open_procfs(r2, &(0x7f0000000080)='net/dev\x00') r3 = socket$inet6_sctp(0xa, 0x5, 0x84) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r3, 0x84, 0x9, &(0x7f0000000580)={0x0, @in={{0x2, 0x0, @empty}}, 0x0, 0x0, 0x3fc, 0x0, 0x32}, 0x9c) sendmsg$nl_route(0xffffffffffffffff, &(0x7f0000000980)={&(0x7f0000000440)={0x10, 0x0, 0x0, 0x10000000}, 0xc, &(0x7f0000000740)={&(0x7f0000000d00)=ANY=[@ANYBLOB="86f2407d8a204caf80b640e69a13fefeff6f0000042ba98cfcfccd470037369314427ebd70000000000000000000000000000000cdfb0fa21b95f8072c528f2858315775d7552e", @ANYRES32=0x0, @ANYBLOB="0c943d0559ff0600ff0000000c00018005000600c0000000100001800c00a03a03462081c7fc75d9ffffbf", @ANYRESDEC, @ANYRES64], 0x40}, 0x1, 0x0, 0x0, 0x4008000}, 0x44040) close_range(0xffffffffffffffff, 0xffffffffffffffff, 0x2) sendto$inet6(r3, &(0x7f0000847fff)='X', 0x34000, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) 18:01:10 executing program 1: prctl$PR_SCHED_CORE(0x3e, 0x1, 0x0, 0x2, 0x0) r0 = syz_open_dev$sndmidi(&(0x7f0000000040), 0x2, 0x141101) r1 = dup(r0) write$6lowpan_enable(r1, &(0x7f0000000000)='0', 0xfffffd2c) r2 = getpid() tkill(r2, 0x0) syz_open_procfs(r2, &(0x7f0000000080)='net/dev\x00') r3 = socket$inet6_sctp(0xa, 0x5, 0x84) bind$packet(0xffffffffffffffff, &(0x7f0000000140)={0x11, 0xf0, 0x0, 0x1, 0x0, 0x6, @multicast}, 0x14) sendto$inet6(r3, &(0x7f0000847fff)='X', 0x34000, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) 18:01:10 executing program 2: ioctl$SNDRV_CTL_IOCTL_RAWMIDI_NEXT_DEVICE(0xffffffffffffffff, 0xc1205531, 0xfffffffffffffffc) syz_genetlink_get_family_id$devlink(0x0, 0xffffffffffffffff) r0 = syz_mount_image$vfat(&(0x7f0000000900), &(0x7f0000000940)='./file0\x00', 0x200007, 0x2, &(0x7f0000000700)=[{&(0x7f0000000000)="eb3c906d8d6673fdd2617400028001000240000004f801", 0x17}, {&(0x7f0000001440)="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", 0x140, 0x601}], 0x0, 0x0) mknodat$loop(r0, &(0x7f0000000000)='./file0\x00', 0x100, 0x0) [ 720.420701][T10722] loop2: detected capacity change from 0 to 4096 18:01:10 executing program 0: prlimit64(0x0, 0x0, &(0x7f0000000140)={0x8, 0x8b}, 0x0) sched_setscheduler(0x0, 0x2, &(0x7f0000000080)=0x8) r0 = getpid() sched_setscheduler(r0, 0x1, &(0x7f0000001700)=0x4) socketpair$unix(0x1, 0x2, 0x0, &(0x7f0000000200)={0xffffffffffffffff, 0xffffffffffffffff}) connect$unix(r1, &(0x7f000057eff8)=@abs, 0x6e) sendmmsg$unix(r2, &(0x7f00000bd000), 0x318, 0x0) recvmmsg(r1, &(0x7f00000000c0), 0x10106, 0x2, 0x0) r3 = openat$loop_ctrl(0xffffff9c, &(0x7f0000000040), 0x0, 0x0) sendmmsg(r2, &(0x7f0000000fc0)=[{{&(0x7f0000000240)=@l2tp={0x2, 0x0, @loopback, 0x1}, 0x80, 0x0, 0x2b}}, {{0x0, 0x0, 0x0}}], 0x2, 0x440c4) r4 = getpid() tkill(r4, 0x0) sched_setaffinity(r4, 0x8, &(0x7f0000000000)=0x96f) ioctl$LOOP_CTL_ADD(r3, 0x4c80, 0x0) ioctl$LOOP_CTL_REMOVE(r3, 0x4c81, 0x0) 18:01:10 executing program 4: ioctl$SNDRV_CTL_IOCTL_RAWMIDI_NEXT_DEVICE(0xffffffffffffffff, 0xc1205531, 0xfffffffffffffffc) syz_genetlink_get_family_id$devlink(0x0, 0xffffffffffffffff) r0 = syz_mount_image$vfat(&(0x7f0000000900), &(0x7f0000000940)='./file0\x00', 0x200007, 0x2, &(0x7f0000000700)=[{&(0x7f0000000000)="eb3c906d8d6673fdd2617400028001000240000004f8", 0x16}, {&(0x7f0000001440)="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", 0x140, 0x601}], 0x800440, &(0x7f00000004c0)={[{@shortname_winnt}, {@fat=@gid}, {@iocharset={'iocharset', 0x3d, 'cp866'}}, {@fat=@fmask={'fmask', 0x3d, 0x1ff}}, {@rodir}, {@fat=@errors_remount}, {@shortname_win95}, {@uni_xlate}, {@uni_xlateno}, {@utf8}, {@uni_xlate}, {@utf8no}]}) mknodat$loop(r0, &(0x7f0000000000)='./file0\x00', 0x100, 0x0) 18:01:10 executing program 2: prctl$PR_SCHED_CORE(0x3e, 0x1, 0x0, 0x2, 0x0) r0 = syz_open_dev$sndmidi(&(0x7f0000000040), 0x2, 0x141101) r1 = dup(r0) write$6lowpan_enable(r1, &(0x7f0000000000)='0', 0xfffffd2c) r2 = getpid() tkill(r2, 0x0) syz_open_procfs(r2, &(0x7f0000000080)='net/dev\x00') r3 = socket$inet6_sctp(0xa, 0x5, 0x84) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r3, 0x84, 0x9, &(0x7f0000000580)={0x0, @in={{0x2, 0x0, @empty}}, 0x0, 0x0, 0x3fc, 0x0, 0x32}, 0x9c) sendmsg$nl_route(0xffffffffffffffff, &(0x7f0000000980)={&(0x7f0000000440)={0x10, 0x0, 0x0, 0x10000000}, 0xc, &(0x7f0000000740)={&(0x7f0000000d00)=ANY=[@ANYBLOB="86f2407d8a204caf80b640e69a13fefeff6f0000042ba98cfcfccd470037369314427ebd70000000000000000000000000000000cdfb0fa21b95f8072c528f2858315775d7552e", @ANYRES32=0x0, @ANYBLOB="0c943d0559ff0600ff0000000c00018005000600c0000000100001800c00a03a03462081c7fc75d9ffffbf", @ANYRESDEC, @ANYRES64], 0x40}, 0x1, 0x0, 0x0, 0x4008000}, 0x44040) bind$packet(0xffffffffffffffff, &(0x7f0000000140)={0x11, 0xf0, 0x0, 0x1, 0x0, 0x6, @multicast}, 0x14) close_range(0xffffffffffffffff, 0xffffffffffffffff, 0x2) sendto$inet6(r3, &(0x7f0000847fff)='X', 0x34000, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) 18:01:10 executing program 3: prctl$PR_SCHED_CORE(0x3e, 0x1, 0x0, 0x2, 0x0) r0 = syz_open_dev$sndmidi(&(0x7f0000000040), 0x2, 0x141101) r1 = dup(r0) write$6lowpan_enable(r1, &(0x7f0000000000)='0', 0xfffffd2c) r2 = getpid() tkill(r2, 0x0) syz_open_procfs(r2, &(0x7f0000000080)='net/dev\x00') r3 = socket$inet6_sctp(0xa, 0x5, 0x84) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r3, 0x84, 0x9, &(0x7f0000000580)={0x0, @in={{0x2, 0x0, @empty}}, 0x0, 0x0, 0x3fc, 0x0, 0x32}, 0x9c) sendmsg$nl_route(0xffffffffffffffff, &(0x7f0000000980)={&(0x7f0000000440)={0x10, 0x0, 0x0, 0x10000000}, 0xc, &(0x7f0000000740)={&(0x7f0000000d00)=ANY=[@ANYBLOB="86f2407d8a204caf80b640e69a13fefeff6f0000042ba98cfcfccd470037369314427ebd70000000000000000000000000000000cdfb0fa21b95f8072c528f2858315775d7552e", @ANYRES32=0x0, @ANYBLOB="0c943d0559ff0600ff0000000c00018005000600c0000000100001800c00a03a03462081c7fc75d9ffffbf", @ANYRESDEC, @ANYRES64], 0x40}, 0x1, 0x0, 0x0, 0x4008000}, 0x44040) bind$packet(0xffffffffffffffff, &(0x7f0000000140)={0x11, 0xf0, 0x0, 0x1, 0x0, 0x6, @multicast}, 0x14) close_range(0xffffffffffffffff, 0xffffffffffffffff, 0x2) sendto$inet6(r3, &(0x7f0000847fff)='X', 0x34000, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) 18:01:10 executing program 5: prctl$PR_SCHED_CORE(0x3e, 0x1, 0x0, 0x2, 0x0) r0 = syz_open_dev$sndmidi(&(0x7f0000000040), 0x2, 0x141101) r1 = dup(r0) write$6lowpan_enable(r1, &(0x7f0000000000)='0', 0xfffffd2c) r2 = getpid() tkill(r2, 0x0) syz_open_procfs(r2, &(0x7f0000000080)='net/dev\x00') r3 = socket$inet6_sctp(0xa, 0x5, 0x84) bind$inet6(r3, &(0x7f00004b8fe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) sendmsg$nl_route(0xffffffffffffffff, &(0x7f0000000980)={&(0x7f0000000440)={0x10, 0x0, 0x0, 0x10000000}, 0xc, &(0x7f0000000740)={&(0x7f0000000d00)=ANY=[@ANYBLOB="86f2407d8a204caf80b640e69a13fefeff6f0000042ba98cfcfccd470037369314427ebd70000000000000000000000000000000cdfb0fa21b95f8072c528f2858315775d7552e", @ANYRES32=0x0, @ANYBLOB="0c943d0559ff0600ff0000000c00018005000600c0000000100001800c00a03a03462081c7fc75d9ffffbf", @ANYRESDEC, @ANYRES64], 0x40}, 0x1, 0x0, 0x0, 0x4008000}, 0x44040) bind$packet(0xffffffffffffffff, &(0x7f0000000140)={0x11, 0xf0, 0x0, 0x1, 0x0, 0x6, @multicast}, 0x14) close_range(0xffffffffffffffff, 0xffffffffffffffff, 0x2) sendto$inet6(r3, &(0x7f0000847fff)='X', 0x34000, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) [ 720.841989][T10727] loop4: detected capacity change from 0 to 4096 [ 720.921177][T10727] FAT-fs (loop4): bogus number of FAT sectors [ 720.954040][T10727] FAT-fs (loop4): Can't find a valid FAT filesystem 18:01:11 executing program 4: prctl$PR_SCHED_CORE(0x3e, 0x1, 0x0, 0x2, 0x0) r0 = syz_open_dev$sndmidi(&(0x7f0000000040), 0x2, 0x141101) r1 = dup(r0) write$6lowpan_enable(r1, &(0x7f0000000000)='0', 0xfffffd2c) r2 = getpid() tkill(r2, 0x0) syz_open_procfs(r2, &(0x7f0000000080)='net/dev\x00') r3 = socket$inet6_sctp(0xa, 0x5, 0x84) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r3, 0x84, 0x9, &(0x7f0000000580)={0x0, @in={{0x2, 0x0, @empty}}, 0x0, 0x0, 0x3fc, 0x0, 0x32}, 0x9c) bind$inet6(r3, &(0x7f00004b8fe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) sendmsg$nl_route(0xffffffffffffffff, &(0x7f0000000980)={&(0x7f0000000440)={0x10, 0x0, 0x0, 0x10000000}, 0xc, &(0x7f0000000740)={&(0x7f0000000d00)=ANY=[@ANYBLOB="86f2407d8a204caf80b640e69a13fefeff6f0000042ba98cfcfccd470037369314427ebd70000000000000000000000000000000cdfb0fa21b95f8072c528f2858315775d7552e", @ANYRES32=0x0, @ANYBLOB="0c943d0559ff0600ff0000000c00018005000600c0000000100001800c00a03a03462081c7fc75d9ffffbf", @ANYRESDEC, @ANYRES64], 0x40}, 0x1, 0x0, 0x0, 0x4008000}, 0x44040) bind$packet(0xffffffffffffffff, &(0x7f0000000140)={0x11, 0xf0, 0x0, 0x1, 0x0, 0x6, @multicast}, 0x14) close_range(0xffffffffffffffff, 0xffffffffffffffff, 0x2) sendto$inet6(r3, &(0x7f0000847fff)='X', 0x34000, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) 18:01:11 executing program 1: prctl$PR_SCHED_CORE(0x3e, 0x1, 0x0, 0x2, 0x0) r0 = syz_open_dev$sndmidi(&(0x7f0000000040), 0x2, 0x141101) r1 = dup(r0) write$6lowpan_enable(r1, &(0x7f0000000000)='0', 0xfffffd2c) r2 = getpid() tkill(r2, 0x0) syz_open_procfs(r2, &(0x7f0000000080)='net/dev\x00') r3 = socket$inet6_sctp(0xa, 0x5, 0x84) bind$packet(0xffffffffffffffff, &(0x7f0000000140)={0x11, 0xf0, 0x0, 0x1, 0x0, 0x6, @multicast}, 0x14) sendto$inet6(r3, &(0x7f0000847fff)='X', 0x34000, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) 18:01:11 executing program 2: prctl$PR_SCHED_CORE(0x3e, 0x1, 0x0, 0x2, 0x0) r0 = syz_open_dev$sndmidi(&(0x7f0000000040), 0x2, 0x141101) r1 = dup(r0) write$6lowpan_enable(r1, &(0x7f0000000000)='0', 0xfffffd2c) r2 = getpid() tkill(r2, 0x0) syz_open_procfs(r2, &(0x7f0000000080)='net/dev\x00') r3 = socket$inet6_sctp(0xa, 0x5, 0x84) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r3, 0x84, 0x9, &(0x7f0000000580)={0x0, @in={{0x2, 0x0, @empty}}, 0x0, 0x0, 0x3fc, 0x0, 0x32}, 0x9c) sendmsg$nl_route(0xffffffffffffffff, &(0x7f0000000980)={&(0x7f0000000440)={0x10, 0x0, 0x0, 0x10000000}, 0xc, &(0x7f0000000740)={&(0x7f0000000d00)=ANY=[@ANYBLOB="86f2407d8a204caf80b640e69a13fefeff6f0000042ba98cfcfccd470037369314427ebd70000000000000000000000000000000cdfb0fa21b95f8072c528f2858315775d7552e", @ANYRES32=0x0, @ANYBLOB="0c943d0559ff0600ff0000000c00018005000600c0000000100001800c00a03a03462081c7fc75d9ffffbf", @ANYRESDEC, @ANYRES64], 0x40}, 0x1, 0x0, 0x0, 0x4008000}, 0x44040) bind$packet(0xffffffffffffffff, &(0x7f0000000140)={0x11, 0xf0, 0x0, 0x1, 0x0, 0x6, @multicast}, 0x14) close_range(0xffffffffffffffff, 0xffffffffffffffff, 0x2) sendto$inet6(r3, &(0x7f0000847fff)='X', 0x34000, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) 18:01:12 executing program 5: prctl$PR_SCHED_CORE(0x3e, 0x1, 0x0, 0x2, 0x0) r0 = syz_open_dev$sndmidi(&(0x7f0000000040), 0x2, 0x141101) r1 = dup(r0) write$6lowpan_enable(r1, &(0x7f0000000000)='0', 0xfffffd2c) r2 = getpid() tkill(r2, 0x0) syz_open_procfs(r2, &(0x7f0000000080)='net/dev\x00') r3 = socket$inet6_sctp(0xa, 0x5, 0x84) bind$packet(0xffffffffffffffff, &(0x7f0000000140)={0x11, 0xf0, 0x0, 0x1, 0x0, 0x6, @multicast}, 0x14) sendto$inet6(r3, &(0x7f0000847fff)='X', 0x34000, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) 18:01:12 executing program 1: prctl$PR_SCHED_CORE(0x3e, 0x1, 0x0, 0x2, 0x0) r0 = syz_open_dev$sndmidi(&(0x7f0000000040), 0x2, 0x141101) r1 = dup(r0) write$6lowpan_enable(r1, &(0x7f0000000000)='0', 0xfffffd2c) r2 = getpid() tkill(r2, 0x0) syz_open_procfs(r2, &(0x7f0000000080)='net/dev\x00') setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(0xffffffffffffffff, 0x84, 0x9, &(0x7f0000000580)={0x0, @in={{0x2, 0x0, @empty}}, 0x0, 0x0, 0x3fc, 0x0, 0x32}, 0x9c) bind$packet(0xffffffffffffffff, &(0x7f0000000140)={0x11, 0xf0, 0x0, 0x1, 0x0, 0x6, @multicast}, 0x14) sendto$inet6(0xffffffffffffffff, &(0x7f0000847fff)='X', 0x34000, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) 18:01:12 executing program 4: prctl$PR_SCHED_CORE(0x3e, 0x1, 0x0, 0x2, 0x0) r0 = syz_open_dev$sndmidi(&(0x7f0000000040), 0x2, 0x141101) r1 = dup(r0) write$6lowpan_enable(r1, &(0x7f0000000000)='0', 0xfffffd2c) r2 = getpid() tkill(r2, 0x0) syz_open_procfs(r2, &(0x7f0000000080)='net/dev\x00') r3 = socket$inet6_sctp(0xa, 0x5, 0x84) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r3, 0x84, 0x9, &(0x7f0000000580)={0x0, @in={{0x2, 0x0, @empty}}, 0x0, 0x0, 0x3fc, 0x0, 0x32}, 0x9c) bind$inet6(r3, &(0x7f00004b8fe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) sendmsg$nl_route(0xffffffffffffffff, &(0x7f0000000980)={&(0x7f0000000440)={0x10, 0x0, 0x0, 0x10000000}, 0xc, &(0x7f0000000740)={&(0x7f0000000d00)=ANY=[@ANYBLOB="86f2407d8a204caf80b640e69a13fefeff6f0000042ba98cfcfccd470037369314427ebd70000000000000000000000000000000cdfb0fa21b95f8072c528f2858315775d7552e", @ANYRES32=0x0, @ANYBLOB="0c943d0559ff0600ff0000000c00018005000600c0000000100001800c00a03a03462081c7fc75d9ffffbf", @ANYRESDEC, @ANYRES64], 0x40}, 0x1, 0x0, 0x0, 0x4008000}, 0x44040) bind$packet(0xffffffffffffffff, &(0x7f0000000140)={0x11, 0xf0, 0x0, 0x1, 0x0, 0x6, @multicast}, 0x14) close_range(0xffffffffffffffff, 0xffffffffffffffff, 0x2) sendto$inet6(r3, &(0x7f0000847fff)='X', 0x34000, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) 18:01:12 executing program 3: prctl$PR_SCHED_CORE(0x3e, 0x1, 0x0, 0x2, 0x0) r0 = syz_open_dev$sndmidi(&(0x7f0000000040), 0x2, 0x141101) r1 = dup(r0) write$6lowpan_enable(r1, &(0x7f0000000000)='0', 0xfffffd2c) r2 = getpid() tkill(r2, 0x0) syz_open_procfs(r2, &(0x7f0000000080)='net/dev\x00') r3 = socket$inet6_sctp(0xa, 0x5, 0x84) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r3, 0x84, 0x9, &(0x7f0000000580)={0x0, @in={{0x2, 0x0, @empty}}, 0x0, 0x0, 0x3fc, 0x0, 0x32}, 0x9c) sendmsg$nl_route(0xffffffffffffffff, &(0x7f0000000980)={&(0x7f0000000440)={0x10, 0x0, 0x0, 0x10000000}, 0xc, &(0x7f0000000740)={&(0x7f0000000d00)=ANY=[@ANYBLOB="86f2407d8a204caf80b640e69a13fefeff6f0000042ba98cfcfccd470037369314427ebd70000000000000000000000000000000cdfb0fa21b95f8072c528f2858315775d7552e", @ANYRES32=0x0, @ANYBLOB="0c943d0559ff0600ff0000000c00018005000600c0000000100001800c00a03a03462081c7fc75d9ffffbf", @ANYRESDEC, @ANYRES64], 0x40}, 0x1, 0x0, 0x0, 0x4008000}, 0x44040) bind$packet(0xffffffffffffffff, &(0x7f0000000140)={0x11, 0xf0, 0x0, 0x1, 0x0, 0x6, @multicast}, 0x14) close_range(0xffffffffffffffff, 0xffffffffffffffff, 0x2) sendto$inet6(r3, &(0x7f0000847fff)='X', 0x34000, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) 18:01:13 executing program 0: r0 = syz_mount_image$vfat(&(0x7f0000000900), &(0x7f0000000940)='./file0\x00', 0x200007, 0x2, &(0x7f0000000700)=[{&(0x7f0000000000)="eb3c906d8d6673fdd2617400028001000240000004f801", 0x17}, {&(0x7f0000001440)="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", 0x13e, 0x601}], 0x800440, &(0x7f00000004c0)={[{@shortname_winnt}, {@fat=@gid}, {@iocharset={'iocharset', 0x3d, 'cp866'}}, {@fat=@fmask={'fmask', 0x3d, 0x1ff}}, {@rodir}, {@fat=@errors_remount}, {@shortname_win95}, {@uni_xlate}, {@uni_xlateno}, {@utf8}, {@uni_xlate}, {@utf8no}]}) mknodat$loop(r0, &(0x7f0000000000)='./file0\x00', 0x100, 0x0) 18:01:13 executing program 1: prctl$PR_SCHED_CORE(0x3e, 0x1, 0x0, 0x2, 0x0) r0 = syz_open_dev$sndmidi(&(0x7f0000000040), 0x2, 0x141101) r1 = dup(r0) write$6lowpan_enable(r1, &(0x7f0000000000)='0', 0xfffffd2c) r2 = getpid() tkill(r2, 0x0) syz_open_procfs(r2, &(0x7f0000000080)='net/dev\x00') setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(0xffffffffffffffff, 0x84, 0x9, &(0x7f0000000580)={0x0, @in={{0x2, 0x0, @empty}}, 0x0, 0x0, 0x3fc, 0x0, 0x32}, 0x9c) bind$packet(0xffffffffffffffff, &(0x7f0000000140)={0x11, 0xf0, 0x0, 0x1, 0x0, 0x6, @multicast}, 0x14) sendto$inet6(0xffffffffffffffff, &(0x7f0000847fff)='X', 0x34000, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) 18:01:13 executing program 2: ioctl$SNDRV_CTL_IOCTL_RAWMIDI_NEXT_DEVICE(0xffffffffffffffff, 0xc1205531, 0xfffffffffffffffc) syz_genetlink_get_family_id$devlink(0x0, 0xffffffffffffffff) r0 = syz_mount_image$vfat(&(0x7f0000000900), &(0x7f0000000940)='./file0\x00', 0x200007, 0x2, &(0x7f0000000700)=[{&(0x7f0000000000)="eb3c906d8d6673fdd2617400", 0xc}, {&(0x7f0000001440)="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", 0x140, 0x601}], 0x800440, &(0x7f00000004c0)={[{@shortname_winnt}, {@fat=@gid}, {@iocharset={'iocharset', 0x3d, 'cp866'}}, {@fat=@fmask={'fmask', 0x3d, 0x1ff}}, {@rodir}, {@fat=@errors_remount}, {@shortname_win95}, {@uni_xlate}, {@uni_xlateno}, {@utf8}, {@uni_xlate}, {@utf8no}]}) mknodat$loop(r0, &(0x7f0000000000)='./file0\x00', 0x100, 0x0) 18:01:13 executing program 4: r0 = syz_mount_image$vfat(&(0x7f0000000900), &(0x7f0000000940)='./file0\x00', 0x200007, 0x2, &(0x7f0000000700)=[{&(0x7f0000000000)="eb3c906d8d6673fdd2617400028001000240000004f801", 0x17}, {&(0x7f0000001440)="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", 0x13e, 0x601}], 0x800440, &(0x7f00000004c0)={[{@shortname_winnt}, {@fat=@gid}, {@iocharset={'iocharset', 0x3d, 'cp866'}}, {@fat=@fmask={'fmask', 0x3d, 0x1ff}}, {@rodir}, {@fat=@errors_remount}, {@shortname_win95}, {@uni_xlate}, {@uni_xlateno}, {@utf8}, {@uni_xlate}, {@utf8no}]}) mknodat$loop(r0, &(0x7f0000000000)='./file0\x00', 0x100, 0x0) 18:01:13 executing program 5: r0 = syz_mount_image$vfat(&(0x7f0000000900), &(0x7f0000000940)='./file0\x00', 0x200007, 0x2, &(0x7f0000000700)=[{&(0x7f0000000000)="eb3c906d8d6673fdd2617400028001000240000004f801", 0x17}, {&(0x7f0000001440)="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", 0x13f, 0x601}], 0x800440, &(0x7f00000004c0)={[{@shortname_winnt}, {@fat=@gid}, {@iocharset={'iocharset', 0x3d, 'cp866'}}, {@fat=@fmask={'fmask', 0x3d, 0x1ff}}, {@rodir}, {@fat=@errors_remount}, {@shortname_win95}, {@uni_xlate}, {@uni_xlateno}, {@utf8}, {@uni_xlate}, {@utf8no}]}) mknodat$loop(r0, &(0x7f0000000000)='./file0\x00', 0x100, 0x0) 18:01:13 executing program 3: prctl$PR_SCHED_CORE(0x3e, 0x1, 0x0, 0x2, 0x0) r0 = syz_open_dev$sndmidi(&(0x7f0000000040), 0x2, 0x141101) r1 = dup(r0) write$6lowpan_enable(r1, &(0x7f0000000000)='0', 0xfffffd2c) r2 = getpid() tkill(r2, 0x0) syz_open_procfs(r2, &(0x7f0000000080)='net/dev\x00') r3 = socket$inet6_sctp(0xa, 0x5, 0x84) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r3, 0x84, 0x9, &(0x7f0000000580)={0x0, @in={{0x2, 0x0, @empty}}, 0x0, 0x0, 0x3fc, 0x0, 0x32}, 0x9c) sendmsg$nl_route(0xffffffffffffffff, &(0x7f0000000980)={&(0x7f0000000440)={0x10, 0x0, 0x0, 0x10000000}, 0xc, &(0x7f0000000740)={&(0x7f0000000d00)=ANY=[@ANYBLOB="86f2407d8a204caf80b640e69a13fefeff6f0000042ba98cfcfccd470037369314427ebd70000000000000000000000000000000cdfb0fa21b95f8072c528f2858315775d7552e", @ANYRES32=0x0, @ANYBLOB="0c943d0559ff0600ff0000000c00018005000600c0000000100001800c00a03a03462081c7fc75d9ffffbf", @ANYRESDEC, @ANYRES64], 0x40}, 0x1, 0x0, 0x0, 0x4008000}, 0x44040) bind$packet(0xffffffffffffffff, &(0x7f0000000140)={0x11, 0xf0, 0x0, 0x1, 0x0, 0x6, @multicast}, 0x14) close_range(0xffffffffffffffff, 0xffffffffffffffff, 0x2) sendto$inet6(r3, &(0x7f0000847fff)='X', 0x34000, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) 18:01:13 executing program 0: r0 = syz_mount_image$vfat(&(0x7f0000000900), &(0x7f0000000940)='./file0\x00', 0x200007, 0x2, &(0x7f0000000700)=[{&(0x7f0000000000)="eb3c906d8d6673fdd2617400028001000240000004f801", 0x17}, {&(0x7f0000001440)="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", 0x13e, 0x601}], 0x800440, &(0x7f00000004c0)={[{@shortname_winnt}, {@fat=@gid}, {@iocharset={'iocharset', 0x3d, 'cp866'}}, {@fat=@fmask={'fmask', 0x3d, 0x1ff}}, {@rodir}, {@fat=@errors_remount}, {@shortname_win95}, {@uni_xlate}, {@uni_xlateno}, {@utf8}, {@uni_xlate}, {@utf8no}]}) mknodat$loop(r0, &(0x7f0000000000)='./file0\x00', 0x100, 0x0) [ 723.710546][T10767] loop2: detected capacity change from 0 to 4096 [ 723.714310][T10766] loop5: detected capacity change from 0 to 4096 [ 723.717566][T10768] loop4: detected capacity change from 0 to 4096 [ 723.740445][T10767] FAT-fs (loop2): bogus number of reserved sectors [ 723.752262][T10767] FAT-fs (loop2): Can't find a valid FAT filesystem 18:01:13 executing program 5: syz_mount_image$vfat(&(0x7f0000000900), &(0x7f0000000940)='./file0\x00', 0x200007, 0x1, &(0x7f0000000700)=[{&(0x7f0000000000)="eb3c906d8d6673fdd2617400028001000240000004f801", 0x17}], 0x0, &(0x7f00000004c0)={[{@rodir}, {@fat=@errors_remount}]}) ioctl$FAT_IOCTL_SET_ATTRIBUTES(0xffffffffffffffff, 0x40047211, &(0x7f0000000000)=0x8) 18:01:13 executing program 2: prctl$PR_SCHED_CORE(0x3e, 0x1, 0x0, 0x2, 0x0) r0 = syz_open_dev$sndmidi(&(0x7f0000000040), 0x2, 0x141101) r1 = dup(r0) write$6lowpan_enable(r1, &(0x7f0000000000)='0', 0xfffffd2c) r2 = getpid() tkill(r2, 0x0) syz_open_procfs(r2, &(0x7f0000000080)='net/dev\x00') r3 = socket$inet6_sctp(0xa, 0x5, 0x84) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r3, 0x84, 0x9, &(0x7f0000000580)={0x0, @in={{0x2, 0x0, @empty}}, 0x0, 0x0, 0x3fc, 0x0, 0x32}, 0x9c) bind$inet6(r3, &(0x7f00004b8fe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) sendmsg$BATADV_CMD_GET_BLA_BACKBONE(0xffffffffffffffff, &(0x7f0000000240)={&(0x7f00000003c0)={0x10, 0x0, 0x0, 0x40000000}, 0xc, &(0x7f0000000580)={&(0x7f0000000ac0)=ANY=[@ANYBLOB="75b9609d35b13765f535640b1647adc8d4528d7dcb5ecd49ae55d43d3b97ecb1655aa6d8fee6b424e0505947a242cbd17bb07e95b202fc3c205cdbe6a8f96871306ae8b68ac958053ac4db38ca0dc66bbffd0930941f68eeb164059f458da7acaa5be83249f1180500a3884f69053123e3ce572b9b117c90fe0a17097d317242", @ANYRES32, @ANYRES64, @ANYRESOCT, @ANYBLOB="08003c0000080000ffa459f4d55ea7e660d27ca685e5ff2d0008000000080006003a47559364f7aad7844855eeb6e6d7b1e57d788f8dbacc87d90731e061160ba4f8e213ac52941d846cf53ab15299b9743f8bb0e6ea7725942d910a", @ANYRES16, @ANYRESOCT], 0x54}, 0x1, 0x0, 0x0, 0x4041}, 0x0) sendmsg$nl_route(0xffffffffffffffff, &(0x7f0000000980)={&(0x7f0000000440)={0x10, 0x0, 0x0, 0x10000000}, 0xc, &(0x7f0000000740)={&(0x7f0000000d00)=ANY=[@ANYBLOB="86f2407d8a204caf80b640e69a13fefeff6f0000042ba98cfcfccd470037369314427ebd70000000000000000000000000000000cdfb0fa21b95f8072c528f2858315775d7552e", @ANYRES32=0x0, @ANYBLOB="0c943d0559ff0600ff0000000c00018005000600c0000000100001800c00a03a03462081c7fc75d9ffffbf", @ANYRESDEC, @ANYRES64], 0x40}, 0x1, 0x0, 0x0, 0x4008000}, 0x44040) bind$packet(0xffffffffffffffff, &(0x7f0000000140)={0x11, 0xf0, 0x0, 0x1, 0x0, 0x6, @multicast}, 0x14) close_range(0xffffffffffffffff, 0xffffffffffffffff, 0x2) sendto$inet6(r3, &(0x7f0000847fff)='X', 0x34000, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) 18:01:13 executing program 4: r0 = syz_mount_image$vfat(&(0x7f0000000900), &(0x7f0000000940)='./file0\x00', 0x200007, 0x2, &(0x7f0000000700)=[{&(0x7f0000000000)="eb3c906d8d6673fdd2617400028001000240000004f801", 0x17}, {&(0x7f0000001440)="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", 0x13f, 0x601}], 0x800440, &(0x7f00000004c0)={[{@shortname_winnt}, {@fat=@gid}, {@iocharset={'iocharset', 0x3d, 'cp866'}}, {@fat=@fmask={'fmask', 0x3d, 0x1ff}}, {@rodir}, {@fat=@errors_remount}, {@shortname_win95}, {@uni_xlate}, {@uni_xlateno}, {@utf8}, {@uni_xlate}, {@utf8no}]}) mknodat$loop(r0, &(0x7f0000000000)='./file0\x00', 0x100, 0x0) 18:01:13 executing program 0: r0 = syz_mount_image$vfat(&(0x7f0000000900), &(0x7f0000000940)='./file0\x00', 0x200007, 0x2, &(0x7f0000000700)=[{&(0x7f0000000000)="eb3c906d8d6673fdd2617400028001000240000004f801", 0x17}, {&(0x7f0000001440)="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", 0x13e, 0x601}], 0x800440, &(0x7f00000004c0)={[{@shortname_winnt}, {@fat=@gid}, {@iocharset={'iocharset', 0x3d, 'cp866'}}, {@fat=@fmask={'fmask', 0x3d, 0x1ff}}, {@rodir}, {@fat=@errors_remount}, {@shortname_win95}, {@uni_xlate}, {@uni_xlateno}, {@utf8}, {@uni_xlate}, {@utf8no}]}) mknodat$loop(r0, &(0x7f0000000000)='./file0\x00', 0x100, 0x0) [ 723.838141][T10777] loop5: detected capacity change from 0 to 4096 18:01:13 executing program 0: syz_mount_image$vfat(&(0x7f0000000900), &(0x7f0000000940)='./file0\x00', 0x200007, 0x1, &(0x7f0000000700)=[{&(0x7f0000000000)="eb3c906d8d6673fdd2617400028001000240000004f801", 0x17}], 0x0, &(0x7f00000004c0)={[{@rodir}, {@fat=@errors_remount}]}) ioctl$FAT_IOCTL_SET_ATTRIBUTES(0xffffffffffffffff, 0x40047211, &(0x7f0000000000)=0x8) [ 723.973551][T10785] loop4: detected capacity change from 0 to 4096 18:01:13 executing program 4: prlimit64(0x0, 0xe, &(0x7f0000000140)={0x8, 0x8b}, 0x0) sched_setscheduler(0x0, 0x2, &(0x7f0000000080)=0x8) sched_setscheduler(0x0, 0x1, &(0x7f0000001700)=0x4) socketpair$unix(0x1, 0x2, 0x0, &(0x7f0000000200)={0xffffffffffffffff, 0xffffffffffffffff}) connect$unix(r0, &(0x7f000057eff8)=@abs, 0x6e) sendmmsg$unix(r1, &(0x7f00000bd000), 0x318, 0x0) recvmmsg(r0, &(0x7f00000000c0), 0x10106, 0x2, 0x0) r2 = openat$loop_ctrl(0xffffff9c, &(0x7f0000000040), 0x0, 0x0) sendmmsg(r1, &(0x7f0000000fc0)=[{{&(0x7f0000000240)=@l2tp={0x2, 0x0, @loopback, 0x1}, 0x80, 0x0, 0x2b}}, {{0x0, 0x0, 0x0}}], 0x2, 0x440c4) r3 = getpid() tkill(r3, 0x0) sched_setaffinity(r3, 0x8, &(0x7f0000000000)=0x96f) ioctl$LOOP_CTL_ADD(r2, 0x4c80, 0x0) ioctl$LOOP_CTL_REMOVE(r2, 0x4c81, 0x0) 18:01:14 executing program 1: prctl$PR_SCHED_CORE(0x3e, 0x1, 0x0, 0x2, 0x0) r0 = syz_open_dev$sndmidi(&(0x7f0000000040), 0x2, 0x141101) r1 = dup(r0) write$6lowpan_enable(r1, &(0x7f0000000000)='0', 0xfffffd2c) r2 = getpid() tkill(r2, 0x0) syz_open_procfs(r2, &(0x7f0000000080)='net/dev\x00') setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(0xffffffffffffffff, 0x84, 0x9, &(0x7f0000000580)={0x0, @in={{0x2, 0x0, @empty}}, 0x0, 0x0, 0x3fc, 0x0, 0x32}, 0x9c) bind$packet(0xffffffffffffffff, &(0x7f0000000140)={0x11, 0xf0, 0x0, 0x1, 0x0, 0x6, @multicast}, 0x14) sendto$inet6(0xffffffffffffffff, &(0x7f0000847fff)='X', 0x34000, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) 18:01:14 executing program 5: prctl$PR_SCHED_CORE(0x3e, 0x1, 0x0, 0x2, 0x0) r0 = syz_open_dev$sndmidi(&(0x7f0000000040), 0x2, 0x141101) r1 = dup(r0) write$6lowpan_enable(r1, &(0x7f0000000000)='0', 0xfffffd2c) r2 = getpid() tkill(r2, 0x0) syz_open_procfs(r2, &(0x7f0000000080)='net/dev\x00') r3 = socket$inet6_sctp(0xa, 0x5, 0x84) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r3, 0x84, 0x9, &(0x7f0000000580)={0x0, @in={{0x2, 0x0, @empty}}, 0x0, 0x0, 0x3fc, 0x0, 0x32}, 0x9c) bind$inet6(r3, &(0x7f00004b8fe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) sendmsg$BATADV_CMD_GET_BLA_BACKBONE(0xffffffffffffffff, &(0x7f0000000240)={&(0x7f00000003c0)={0x10, 0x0, 0x0, 0x40000000}, 0xc, &(0x7f0000000580)={&(0x7f0000000ac0)=ANY=[@ANYBLOB="75b9609d35b13765f535640b1647adc8d4528d7dcb5ecd49ae55d43d3b97ecb1655aa6d8fee6b424e0505947a242cbd17bb07e95b202fc3c205cdbe6a8f96871306ae8b68ac958053ac4db38ca0dc66bbffd0930941f68eeb164059f458da7acaa5be83249f1180500a3884f69053123e3ce572b9b117c90fe0a17097d317242", @ANYRES32, @ANYRES64, @ANYRESOCT, @ANYBLOB="08003c0000080000ffa459f4d55ea7e660d27ca685e5ff2d0008000000080006003a47559364f7aad7844855eeb6e6d7b1e57d788f8dbacc87d90731e061160ba4f8e213ac52941d846cf53ab15299b9743f8bb0e6ea7725942d910a", @ANYRES16, @ANYRESOCT], 0x54}, 0x1, 0x0, 0x0, 0x4041}, 0x0) r4 = syz_mount_image$vfat(&(0x7f0000000900), &(0x7f0000000940)='./file0\x00', 0x200007, 0x3, &(0x7f0000000700)=[{&(0x7f0000000000)="eb3c906d8d6673fdd2617400028001000240000004f801", 0x17}, {&(0x7f0000001440)="57595a4b414c4c45522020085ac19f69b8f2b2b1ea1b86fe96df5eed1df1df001cc2de850f1fff00000000000000005effac2ac4c15e29fb3c18edfff8d198e312475ffa1d000000000000ad25822a17b17f463e104179c19c2a000000000000000031ddc0777df2ec4f62826086704d703da32c57364aed74cd748a178abcaf1180ad796d06c19dbfeab6d3ed941a1cacccf272186cd3ca10ff022a10965e82db34eb6d694a58a9989a416b163d4c4bc298081185914835b501f8a68095f4971f6ce1898a89338c7c085e24c6593256f2fc4816ce2f4ae05785f0098163b801f28941f7d343ae0400742251c5e613ce9f4ad9c503ee759c7f55cb947f59ac5de9570000000000002ea02a000082000000000000000000874b195ee473f8b2658fd172f402cab0e5937d227c0000000000000002385a2452e4b6f7b064f3fa05d359694f", 0x144, 0x601}, {0x0, 0x0, 0x5}], 0x800440, &(0x7f00000004c0)={[{@shortname_winnt}, {@fat=@gid}, {@iocharset={'iocharset', 0x3d, 'cp866'}}, {@fat=@fmask={'fmask', 0x3d, 0x1ff}}, {@rodir}, {@fat=@errors_remount}, {@shortname_win95}, {@uni_xlate}, {@uni_xlateno}, {@utf8}, {@uni_xlate}, {@utf8no}]}) sendmsg$nl_route(0xffffffffffffffff, &(0x7f0000000980)={&(0x7f0000000440)={0x10, 0x0, 0x0, 0x10000000}, 0xc, &(0x7f0000000740)={&(0x7f0000000d00)=ANY=[@ANYBLOB="86f2407d8a204caf80b640e69a13fefeff6f0000042ba98cfcfccd470037369314427ebd70000000000000000000000000000000cdfb0fa21b95f8072c528f2858315775d7552e", @ANYRES32=0x0, @ANYBLOB="0c943d0559ff0600ff0000000c00018005000600c0000000100001800c00a03a03462081c7fc75d9ffffbf", @ANYRESDEC=r4, @ANYRES64], 0x40}, 0x1, 0x0, 0x0, 0x4008000}, 0x44040) bind$packet(0xffffffffffffffff, &(0x7f0000000140)={0x11, 0xf0, 0x0, 0x1, 0x0, 0x6, @multicast}, 0x14) close_range(0xffffffffffffffff, 0xffffffffffffffff, 0x2) sendto$inet6(r3, &(0x7f0000847fff)='X', 0x34000, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) 18:01:14 executing program 0: syz_mount_image$vfat(&(0x7f0000000900), &(0x7f0000000940)='./file0\x00', 0x200007, 0x1, &(0x7f0000000700)=[{&(0x7f0000000000)="eb3c906d8d6673fdd2617400028001000240000004f801", 0x17}], 0x0, &(0x7f00000004c0)={[{@rodir}, {@fat=@errors_remount}]}) ioctl$FAT_IOCTL_SET_ATTRIBUTES(0xffffffffffffffff, 0x40047211, &(0x7f0000000000)=0x8) [ 724.587607][T10798] loop0: detected capacity change from 0 to 4096 18:01:14 executing program 0: prctl$PR_SCHED_CORE(0x3e, 0x1, 0x0, 0x2, 0x0) r0 = syz_open_dev$sndmidi(&(0x7f0000000040), 0x2, 0x141101) r1 = dup(r0) write$6lowpan_enable(r1, &(0x7f0000000000)='0', 0xfffffd2c) r2 = getpid() tkill(r2, 0x0) syz_open_procfs(r2, &(0x7f0000000080)='net/dev\x00') r3 = socket$inet6_sctp(0xa, 0x5, 0x84) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r3, 0x84, 0x9, &(0x7f0000000580)={0x0, @in={{0x2, 0x0, @empty}}, 0x0, 0x0, 0x3fc, 0x0, 0x32}, 0x9c) bind$inet6(r3, &(0x7f00004b8fe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) sendmsg$BATADV_CMD_GET_BLA_BACKBONE(0xffffffffffffffff, &(0x7f0000000240)={&(0x7f00000003c0)={0x10, 0x0, 0x0, 0x40000000}, 0xc, &(0x7f0000000580)={&(0x7f0000000ac0)=ANY=[@ANYBLOB="75b9609d35b13765f535640b1647adc8d4528d7dcb5ecd49ae55d43d3b97ecb1655aa6d8fee6b424e0505947a242cbd17bb07e95b202fc3c205cdbe6a8f96871306ae8b68ac958053ac4db38ca0dc66bbffd0930941f68eeb164059f458da7acaa5be83249f1180500a3884f69053123e3ce572b9b117c90fe0a17097d317242", @ANYRES32, @ANYRES64, @ANYRESOCT, @ANYBLOB="08003c0000080000ffa459f4d55ea7e660d27ca685e5ff2d0008000000080006003a47559364f7aad7844855eeb6e6d7b1e57d788f8dbacc87d90731e061160ba4f8e213ac52941d846cf53ab15299b9743f8bb0e6ea7725942d910a", @ANYRES16, @ANYRESOCT], 0x54}, 0x1, 0x0, 0x0, 0x4041}, 0x0) r4 = syz_mount_image$vfat(&(0x7f0000000900), &(0x7f0000000940)='./file0\x00', 0x200007, 0x3, &(0x7f0000000700)=[{&(0x7f0000000000)="eb3c906d8d6673fdd2617400028001000240000004f801", 0x17}, {&(0x7f0000001440)="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", 0x144, 0x601}, {0x0, 0x0, 0x5}], 0x800440, &(0x7f00000004c0)={[{@shortname_winnt}, {@fat=@gid}, {@iocharset={'iocharset', 0x3d, 'cp866'}}, {@fat=@fmask={'fmask', 0x3d, 0x1ff}}, {@rodir}, {@fat=@errors_remount}, {@shortname_win95}, {@uni_xlate}, {@uni_xlateno}, {@utf8}, {@uni_xlate}, {@utf8no}]}) sendmsg$nl_route(0xffffffffffffffff, &(0x7f0000000980)={&(0x7f0000000440)={0x10, 0x0, 0x0, 0x10000000}, 0xc, &(0x7f0000000740)={&(0x7f0000000d00)=ANY=[@ANYBLOB="86f2407d8a204caf80b640e69a13fefeff6f0000042ba98cfcfccd470037369314427ebd70000000000000000000000000000000cdfb0fa21b95f8072c528f2858315775d7552e", @ANYRES32=0x0, @ANYBLOB="0c943d0559ff0600ff0000000c00018005000600c0000000100001800c00a03a03462081c7fc75d9ffffbf", @ANYRESDEC=r4, @ANYRES64], 0x40}, 0x1, 0x0, 0x0, 0x4008000}, 0x44040) bind$packet(0xffffffffffffffff, &(0x7f0000000140)={0x11, 0xf0, 0x0, 0x1, 0x0, 0x6, @multicast}, 0x14) close_range(0xffffffffffffffff, 0xffffffffffffffff, 0x2) sendto$inet6(r3, &(0x7f0000847fff)='X', 0x34000, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) [ 724.725476][T10800] loop5: detected capacity change from 0 to 4096 [ 724.915758][T10807] loop0: detected capacity change from 0 to 4096 18:01:14 executing program 3: r0 = syz_mount_image$vfat(&(0x7f0000000900), &(0x7f0000000940)='./file0\x00', 0x200007, 0x2, &(0x7f0000000700)=[{&(0x7f0000000000)="eb3c906d8d6673fdd2617400028001000240000004f801", 0x17}, {&(0x7f0000001440)="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", 0x13a, 0x601}], 0x800440, &(0x7f00000004c0)={[{@shortname_winnt}, {@fat=@gid}, {@iocharset={'iocharset', 0x3d, 'cp866'}}, {@fat=@fmask={'fmask', 0x3d, 0x1ff}}, {@rodir}, {@fat=@errors_remount}, {@shortname_win95}, {@uni_xlate}, {@uni_xlateno}, {@utf8}, {@uni_xlate}, {@utf8no}]}) mknodat$loop(r0, &(0x7f0000000000)='./file0\x00', 0x100, 0x0) 18:01:15 executing program 2: prctl$PR_SCHED_CORE(0x3e, 0x1, 0x0, 0x2, 0x0) r0 = syz_open_dev$sndmidi(&(0x7f0000000040), 0x2, 0x141101) r1 = dup(r0) write$6lowpan_enable(r1, &(0x7f0000000000)='0', 0xfffffd2c) r2 = getpid() tkill(r2, 0x0) syz_open_procfs(r2, &(0x7f0000000080)='net/dev\x00') r3 = socket$inet6_sctp(0xa, 0x5, 0x84) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r3, 0x84, 0x9, &(0x7f0000000580)={0x0, @in={{0x2, 0x0, @empty}}, 0x0, 0x0, 0x3fc, 0x0, 0x32}, 0x9c) bind$inet6(r3, &(0x7f00004b8fe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) sendmsg$BATADV_CMD_GET_BLA_BACKBONE(0xffffffffffffffff, &(0x7f0000000240)={&(0x7f00000003c0)={0x10, 0x0, 0x0, 0x40000000}, 0xc, &(0x7f0000000580)={&(0x7f0000000ac0)=ANY=[@ANYBLOB="75b9609d35b13765f535640b1647adc8d4528d7dcb5ecd49ae55d43d3b97ecb1655aa6d8fee6b424e0505947a242cbd17bb07e95b202fc3c205cdbe6a8f96871306ae8b68ac958053ac4db38ca0dc66bbffd0930941f68eeb164059f458da7acaa5be83249f1180500a3884f69053123e3ce572b9b117c90fe0a17097d317242", @ANYRES32, @ANYRES64, @ANYRESOCT, @ANYBLOB="08003c0000080000ffa459f4d55ea7e660d27ca685e5ff2d0008000000080006003a47559364f7aad7844855eeb6e6d7b1e57d788f8dbacc87d90731e061160ba4f8e213ac52941d846cf53ab15299b9743f8bb0e6ea7725942d910a", @ANYRES16, @ANYRESOCT], 0x54}, 0x1, 0x0, 0x0, 0x4041}, 0x0) sendmsg$nl_route(0xffffffffffffffff, &(0x7f0000000980)={&(0x7f0000000440)={0x10, 0x0, 0x0, 0x10000000}, 0xc, &(0x7f0000000740)={&(0x7f0000000d00)=ANY=[@ANYBLOB="86f2407d8a204caf80b640e69a13fefeff6f0000042ba98cfcfccd470037369314427ebd70000000000000000000000000000000cdfb0fa21b95f8072c528f2858315775d7552e", @ANYRES32=0x0, @ANYBLOB="0c943d0559ff0600ff0000000c00018005000600c0000000100001800c00a03a03462081c7fc75d9ffffbf", @ANYRESDEC, @ANYRES64], 0x40}, 0x1, 0x0, 0x0, 0x4008000}, 0x44040) bind$packet(0xffffffffffffffff, &(0x7f0000000140)={0x11, 0xf0, 0x0, 0x1, 0x0, 0x6, @multicast}, 0x14) close_range(0xffffffffffffffff, 0xffffffffffffffff, 0x2) sendto$inet6(r3, &(0x7f0000847fff)='X', 0x34000, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) [ 725.167755][T10810] loop3: detected capacity change from 0 to 4096 18:01:15 executing program 3: r0 = syz_mount_image$vfat(&(0x7f0000000900), &(0x7f0000000940)='./file0\x00', 0x200007, 0x2, &(0x7f0000000700)=[{&(0x7f0000000000)="eb3c906d8d6673fdd2617400028001000240000004f801", 0x17}, {&(0x7f0000001440)="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", 0x13a, 0x601}], 0x800440, &(0x7f00000004c0)={[{@shortname_winnt}, {@fat=@gid}, {@iocharset={'iocharset', 0x3d, 'cp866'}}, {@fat=@fmask={'fmask', 0x3d, 0x1ff}}, {@rodir}, {@fat=@errors_remount}, {@shortname_win95}, {@uni_xlate}, {@uni_xlateno}, {@utf8}, {@uni_xlate}, {@utf8no}]}) mknodat$loop(r0, &(0x7f0000000000)='./file0\x00', 0x100, 0x0) [ 725.399682][T10815] loop3: detected capacity change from 0 to 4096 18:01:15 executing program 1: prctl$PR_SCHED_CORE(0x3e, 0x1, 0x0, 0x2, 0x0) r0 = syz_open_dev$sndmidi(&(0x7f0000000040), 0x2, 0x141101) r1 = dup(r0) write$6lowpan_enable(r1, &(0x7f0000000000)='0', 0xfffffd2c) r2 = getpid() tkill(r2, 0x0) r3 = socket$inet6_sctp(0xa, 0x5, 0x84) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r3, 0x84, 0x9, &(0x7f0000000580)={0x0, @in={{0x2, 0x0, @empty}}, 0x0, 0x0, 0x3fc, 0x0, 0x32}, 0x9c) bind$packet(0xffffffffffffffff, &(0x7f0000000140)={0x11, 0xf0, 0x0, 0x1, 0x0, 0x6, @multicast}, 0x14) sendto$inet6(r3, &(0x7f0000847fff)='X', 0x34000, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) 18:01:15 executing program 3: prctl$PR_SCHED_CORE(0x3e, 0x1, 0x0, 0x2, 0x0) r0 = syz_open_dev$sndmidi(&(0x7f0000000040), 0x2, 0x141101) r1 = dup(r0) write$6lowpan_enable(r1, &(0x7f0000000000)='0', 0xfffffd2c) r2 = getpid() tkill(r2, 0x0) syz_open_procfs(r2, &(0x7f0000000080)='net/dev\x00') r3 = socket$inet6_sctp(0xa, 0x5, 0x84) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r3, 0x84, 0x9, &(0x7f0000000580)={0x0, @in={{0x2, 0x0, @empty}}, 0x0, 0x0, 0x3fc, 0x0, 0x32}, 0x9c) bind$inet6(r3, &(0x7f00004b8fe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) sendmsg$BATADV_CMD_GET_BLA_BACKBONE(0xffffffffffffffff, &(0x7f0000000240)={&(0x7f00000003c0)={0x10, 0x0, 0x0, 0x40000000}, 0xc, &(0x7f0000000580)={&(0x7f0000000ac0)=ANY=[@ANYBLOB="75b9609d35b13765f535640b1647adc8d4528d7dcb5ecd49ae55d43d3b97ecb1655aa6d8fee6b424e0505947a242cbd17bb07e95b202fc3c205cdbe6a8f96871306ae8b68ac958053ac4db38ca0dc66bbffd0930941f68eeb164059f458da7acaa5be83249f1180500a3884f69053123e3ce572b9b117c90fe0a17097d317242", @ANYRES32, @ANYRES64, @ANYRESOCT, @ANYBLOB="08003c0000080000ffa459f4d55ea7e660d27ca685e5ff2d0008000000080006003a47559364f7aad7844855eeb6e6d7b1e57d788f8dbacc87d90731e061160ba4f8e213ac52941d846cf53ab15299b9743f8bb0e6ea7725942d910a", @ANYRES16, @ANYRESOCT], 0x54}, 0x1, 0x0, 0x0, 0x4041}, 0x0) syz_mount_image$vfat(&(0x7f0000000900), &(0x7f0000000940)='./file0\x00', 0x200007, 0x3, &(0x7f0000000700)=[{&(0x7f0000000000)="eb3c906d8d6673fdd2617400028001000240000004f801", 0x17}, {&(0x7f0000001440)="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", 0x144, 0x601}, {0x0, 0x0, 0x5}], 0x800440, &(0x7f00000004c0)={[{@shortname_winnt}, {@fat=@gid}, {@iocharset={'iocharset', 0x3d, 'cp866'}}, {@fat=@fmask={'fmask', 0x3d, 0x1ff}}, {@rodir}, {@fat=@errors_remount}, {@shortname_win95}, {@uni_xlate}, {@uni_xlateno}, {@utf8}, {@uni_xlate}, {@utf8no}]}) sendmsg$IPSET_CMD_DEL(0xffffffffffffffff, &(0x7f0000000a80)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x200}, 0xc, &(0x7f0000000400)={&(0x7f00000008c0)=ANY=[@ANYRES64], 0x60}, 0x1, 0x0, 0x0, 0x8840}, 0x4040050) bind$packet(0xffffffffffffffff, &(0x7f0000000140)={0x11, 0xf0, 0x0, 0x1, 0x0, 0x6, @multicast}, 0x14) close_range(0xffffffffffffffff, 0xffffffffffffffff, 0x2) sendto$inet6(r3, &(0x7f0000847fff)='X', 0x34000, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) 18:01:15 executing program 5: prctl$PR_SCHED_CORE(0x3e, 0x1, 0x0, 0x2, 0x0) r0 = syz_open_dev$sndmidi(&(0x7f0000000040), 0x2, 0x141101) r1 = dup(r0) write$6lowpan_enable(r1, &(0x7f0000000000)='0', 0xfffffd2c) r2 = getpid() tkill(r2, 0x0) syz_open_procfs(r2, &(0x7f0000000080)='net/dev\x00') r3 = socket$inet6_sctp(0xa, 0x5, 0x84) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r3, 0x84, 0x9, &(0x7f0000000580)={0x0, @in={{0x2, 0x0, @empty}}, 0x0, 0x0, 0x3fc, 0x0, 0x32}, 0x9c) bind$inet6(r3, &(0x7f00004b8fe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) sendmsg$BATADV_CMD_GET_BLA_BACKBONE(0xffffffffffffffff, &(0x7f0000000240)={&(0x7f00000003c0)={0x10, 0x0, 0x0, 0x40000000}, 0xc, &(0x7f0000000580)={&(0x7f0000000ac0)=ANY=[@ANYBLOB="75b9609d35b13765f535640b1647adc8d4528d7dcb5ecd49ae55d43d3b97ecb1655aa6d8fee6b424e0505947a242cbd17bb07e95b202fc3c205cdbe6a8f96871306ae8b68ac958053ac4db38ca0dc66bbffd0930941f68eeb164059f458da7acaa5be83249f1180500a3884f69053123e3ce572b9b117c90fe0a17097d317242", @ANYRES32, @ANYRES64, @ANYRESOCT, @ANYBLOB="08003c0000080000ffa459f4d55ea7e660d27ca685e5ff2d0008000000080006003a47559364f7aad7844855eeb6e6d7b1e57d788f8dbacc87d90731e061160ba4f8e213ac52941d846cf53ab15299b9743f8bb0e6ea7725942d910a", @ANYRES16, @ANYRESOCT], 0x54}, 0x1, 0x0, 0x0, 0x4041}, 0x0) r4 = syz_mount_image$vfat(&(0x7f0000000900), &(0x7f0000000940)='./file0\x00', 0x200007, 0x3, &(0x7f0000000700)=[{&(0x7f0000000000)="eb3c906d8d6673fdd2617400028001000240000004f801", 0x17}, {&(0x7f0000001440)="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", 0x144, 0x601}, {0x0, 0x0, 0x5}], 0x800440, &(0x7f00000004c0)={[{@shortname_winnt}, {@fat=@gid}, {@iocharset={'iocharset', 0x3d, 'cp866'}}, {@fat=@fmask={'fmask', 0x3d, 0x1ff}}, {@rodir}, {@fat=@errors_remount}, {@shortname_win95}, {@uni_xlate}, {@uni_xlateno}, {@utf8}, {@uni_xlate}, {@utf8no}]}) sendmsg$nl_route(0xffffffffffffffff, &(0x7f0000000980)={&(0x7f0000000440)={0x10, 0x0, 0x0, 0x10000000}, 0xc, &(0x7f0000000740)={&(0x7f0000000d00)=ANY=[@ANYBLOB="86f2407d8a204caf80b640e69a13fefeff6f0000042ba98cfcfccd470037369314427ebd70000000000000000000000000000000cdfb0fa21b95f8072c528f2858315775d7552e", @ANYRES32=0x0, @ANYBLOB="0c943d0559ff0600ff0000000c00018005000600c0000000100001800c00a03a03462081c7fc75d9ffffbf", @ANYRESDEC=r4, @ANYRES64], 0x40}, 0x1, 0x0, 0x0, 0x4008000}, 0x44040) bind$packet(0xffffffffffffffff, &(0x7f0000000140)={0x11, 0xf0, 0x0, 0x1, 0x0, 0x6, @multicast}, 0x14) close_range(0xffffffffffffffff, 0xffffffffffffffff, 0x2) sendto$inet6(r3, &(0x7f0000847fff)='X', 0x34000, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) [ 725.871226][T10822] loop3: detected capacity change from 0 to 4096 18:01:15 executing program 0: ioctl$SNDRV_CTL_IOCTL_RAWMIDI_NEXT_DEVICE(0xffffffffffffffff, 0xc1205531, 0xfffffffffffffffc) syz_genetlink_get_family_id$devlink(0x0, 0xffffffffffffffff) r0 = syz_mount_image$vfat(&(0x7f0000000900), &(0x7f0000000940)='./file0\x00', 0x200007, 0x2, &(0x7f0000000700)=[{&(0x7f0000000000)="eb3c906d8d6673fdd2617400028001000240000004f801", 0x17}, {&(0x7f0000001440)="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", 0x13f, 0x601}], 0x800440, &(0x7f00000004c0)={[{@shortname_winnt}, {@fat=@gid}, {@iocharset={'iocharset', 0x3d, 'cp866'}}, {@fat=@fmask={'fmask', 0x3d, 0x1ff}}, {@rodir}, {@fat=@errors_remount}, {@shortname_win95}, {@uni_xlate}, {@uni_xlateno}, {@utf8}, {@uni_xlate}, {@utf8no}]}) mknodat$loop(r0, &(0x7f0000000000)='./file0\x00', 0x100, 0x0) [ 725.980934][T10825] loop5: detected capacity change from 0 to 4096 [ 726.107232][T10829] loop0: detected capacity change from 0 to 4096 18:01:16 executing program 2: ioctl$SNDRV_CTL_IOCTL_RAWMIDI_NEXT_DEVICE(0xffffffffffffffff, 0xc1205531, 0xfffffffffffffffc) syz_genetlink_get_family_id$devlink(0x0, 0xffffffffffffffff) r0 = syz_mount_image$vfat(&(0x7f0000000900), &(0x7f0000000940)='./file0\x00', 0x200007, 0x2, &(0x7f0000000700)=[{&(0x7f0000000000)="eb3c906d8d6673fdd2617400028001000240000004f801", 0x17}, {&(0x7f0000001440)="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", 0x13f, 0x601}], 0x800440, &(0x7f00000004c0)={[{@shortname_winnt}, {@fat=@gid}, {@iocharset={'iocharset', 0x3d, 'cp866'}}, {@fat=@fmask={'fmask', 0x3d, 0x1ff}}, {@rodir}, {@fat=@errors_remount}, {@shortname_win95}, {@uni_xlate}, {@uni_xlateno}, {@utf8}, {@uni_xlate}, {@utf8no}]}) mknodat$loop(r0, &(0x7f0000000000)='./file0\x00', 0x100, 0x0) 18:01:16 executing program 4: prlimit64(0x0, 0xe, &(0x7f0000000140)={0x8, 0x8b}, 0x0) sched_setscheduler(0x0, 0x2, &(0x7f0000000080)=0x8) sched_setscheduler(0x0, 0x1, &(0x7f0000001700)=0x4) socketpair$unix(0x1, 0x2, 0x0, &(0x7f0000000200)={0xffffffffffffffff, 0xffffffffffffffff}) connect$unix(r0, &(0x7f000057eff8)=@abs, 0x6e) sendmmsg$unix(r1, &(0x7f00000bd000), 0x318, 0x0) recvmmsg(r0, &(0x7f00000000c0), 0x10106, 0x2, 0x0) r2 = openat$loop_ctrl(0xffffff9c, &(0x7f0000000040), 0x0, 0x0) sendmmsg(r1, &(0x7f0000000fc0)=[{{&(0x7f0000000240)=@l2tp={0x2, 0x0, @loopback, 0x1}, 0x80, 0x0, 0x2b}}, {{0x0, 0x0, 0x0}}], 0x2, 0x440c4) r3 = getpid() tkill(r3, 0x0) sched_setaffinity(r3, 0x8, &(0x7f0000000000)=0x96f) ioctl$LOOP_CTL_ADD(r2, 0x4c80, 0x0) ioctl$LOOP_CTL_REMOVE(r2, 0x4c81, 0x0) 18:01:16 executing program 0: r0 = syz_mount_image$vfat(&(0x7f0000000900), &(0x7f0000000940)='./file0\x00', 0x200007, 0x1, &(0x7f0000000700)=[{&(0x7f0000000000)="eb3c906d8d6673fdd2617400028001000240000004f801", 0x17}], 0x0, &(0x7f00000004c0)={[{@shortname_winnt}, {@fat=@gid}, {@iocharset={'iocharset', 0x3d, 'cp866'}}, {@fat=@fmask={'fmask', 0x3d, 0x1ff}}, {@fat=@errors_remount}]}) ioctl$FAT_IOCTL_SET_ATTRIBUTES(r0, 0x40047211, &(0x7f0000000000)=0x8) 18:01:16 executing program 1: prctl$PR_SCHED_CORE(0x3e, 0x1, 0x0, 0x2, 0x0) r0 = syz_open_dev$sndmidi(&(0x7f0000000040), 0x2, 0x141101) r1 = dup(r0) write$6lowpan_enable(r1, &(0x7f0000000000)='0', 0xfffffd2c) r2 = getpid() tkill(r2, 0x0) r3 = socket$inet6_sctp(0xa, 0x5, 0x84) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r3, 0x84, 0x9, &(0x7f0000000580)={0x0, @in={{0x2, 0x0, @empty}}, 0x0, 0x0, 0x3fc, 0x0, 0x32}, 0x9c) bind$packet(0xffffffffffffffff, &(0x7f0000000140)={0x11, 0xf0, 0x0, 0x1, 0x0, 0x6, @multicast}, 0x14) sendto$inet6(r3, &(0x7f0000847fff)='X', 0x34000, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) 18:01:16 executing program 3: prctl$PR_SCHED_CORE(0x3e, 0x1, 0x0, 0x2, 0x0) r0 = syz_open_dev$sndmidi(&(0x7f0000000040), 0x2, 0x141101) r1 = dup(r0) write$6lowpan_enable(r1, &(0x7f0000000000)='0', 0xfffffd2c) r2 = getpid() tkill(r2, 0x0) syz_open_procfs(r2, &(0x7f0000000080)='net/dev\x00') r3 = socket$inet6_sctp(0xa, 0x5, 0x84) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r3, 0x84, 0x9, &(0x7f0000000580)={0x0, @in={{0x2, 0x0, @empty}}, 0x0, 0x0, 0x3fc, 0x0, 0x32}, 0x9c) bind$inet6(r3, &(0x7f00004b8fe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) sendmsg$BATADV_CMD_GET_BLA_BACKBONE(0xffffffffffffffff, &(0x7f0000000240)={&(0x7f00000003c0)={0x10, 0x0, 0x0, 0x40000000}, 0xc, &(0x7f0000000580)={&(0x7f0000000ac0)=ANY=[@ANYBLOB="75b9609d35b13765f535640b1647adc8d4528d7dcb5ecd49ae55d43d3b97ecb1655aa6d8fee6b424e0505947a242cbd17bb07e95b202fc3c205cdbe6a8f96871306ae8b68ac958053ac4db38ca0dc66bbffd0930941f68eeb164059f458da7acaa5be83249f1180500a3884f69053123e3ce572b9b117c90fe0a17097d317242", @ANYRES32, @ANYRES64, @ANYRESOCT, @ANYBLOB="08003c0000080000ffa459f4d55ea7e660d27ca685e5ff2d0008000000080006003a47559364f7aad7844855eeb6e6d7b1e57d788f8dbacc87d90731e061160ba4f8e213ac52941d846cf53ab15299b9743f8bb0e6ea7725942d910a", @ANYRES16, @ANYRESOCT], 0x54}, 0x1, 0x0, 0x0, 0x4041}, 0x0) syz_mount_image$vfat(&(0x7f0000000900), &(0x7f0000000940)='./file0\x00', 0x200007, 0x3, &(0x7f0000000700)=[{&(0x7f0000000000)="eb3c906d8d6673fdd2617400028001000240000004f801", 0x17}, {&(0x7f0000001440)="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", 0x144, 0x601}, {0x0, 0x0, 0x5}], 0x800440, &(0x7f00000004c0)={[{@shortname_winnt}, {@fat=@gid}, {@iocharset={'iocharset', 0x3d, 'cp866'}}, {@fat=@fmask={'fmask', 0x3d, 0x1ff}}, {@rodir}, {@fat=@errors_remount}, {@shortname_win95}, {@uni_xlate}, {@uni_xlateno}, {@utf8}, {@uni_xlate}, {@utf8no}]}) sendmsg$IPSET_CMD_DEL(0xffffffffffffffff, &(0x7f0000000a80)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x200}, 0xc, &(0x7f0000000400)={&(0x7f00000008c0)=ANY=[@ANYRES64], 0x60}, 0x1, 0x0, 0x0, 0x8840}, 0x4040050) bind$packet(0xffffffffffffffff, &(0x7f0000000140)={0x11, 0xf0, 0x0, 0x1, 0x0, 0x6, @multicast}, 0x14) close_range(0xffffffffffffffff, 0xffffffffffffffff, 0x2) sendto$inet6(r3, &(0x7f0000847fff)='X', 0x34000, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) 18:01:16 executing program 5: prctl$PR_SCHED_CORE(0x3e, 0x1, 0x0, 0x2, 0x0) r0 = syz_open_dev$sndmidi(&(0x7f0000000040), 0x2, 0x141101) r1 = dup(r0) write$6lowpan_enable(r1, &(0x7f0000000000)='0', 0xfffffd2c) r2 = getpid() tkill(r2, 0x0) r3 = socket$inet6_sctp(0xa, 0x5, 0x84) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r3, 0x84, 0x9, &(0x7f0000000580)={0x0, @in={{0x2, 0x0, @empty}}, 0x0, 0x0, 0x3fc, 0x0, 0x32}, 0x9c) bind$packet(0xffffffffffffffff, &(0x7f0000000140)={0x11, 0xf0, 0x0, 0x1, 0x0, 0x6, @multicast}, 0x14) sendto$inet6(r3, &(0x7f0000847fff)='X', 0x34000, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) [ 726.857684][T10834] loop0: detected capacity change from 0 to 4096 [ 726.859460][T10835] loop2: detected capacity change from 0 to 4096 18:01:16 executing program 2: ioctl$SNDRV_CTL_IOCTL_RAWMIDI_NEXT_DEVICE(0xffffffffffffffff, 0xc1205531, 0xfffffffffffffffc) syz_genetlink_get_family_id$devlink(0x0, 0xffffffffffffffff) r0 = syz_mount_image$vfat(&(0x7f0000000900), &(0x7f0000000940)='./file0\x00', 0x200007, 0x2, &(0x7f0000000700)=[{&(0x7f0000000000)="eb3c906d8d6673fdd2617400028001000240000004f801", 0x17}, {&(0x7f0000001440)="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", 0x13f, 0x601}], 0x800440, &(0x7f00000004c0)={[{@shortname_winnt}, {@fat=@gid}, {@iocharset={'iocharset', 0x3d, 'cp866'}}, {@fat=@fmask={'fmask', 0x3d, 0x1ff}}, {@rodir}, {@fat=@errors_remount}, {@shortname_win95}, {@uni_xlate}, {@uni_xlateno}, {@utf8}, {@uni_xlate}, {@utf8no}]}) mknodat$loop(r0, &(0x7f0000000000)='./file0\x00', 0x100, 0x0) [ 727.084313][T10846] loop3: detected capacity change from 0 to 4096 18:01:17 executing program 0: prlimit64(0x0, 0xe, &(0x7f0000000140)={0x8, 0x8b}, 0x0) sched_setscheduler(0x0, 0x2, &(0x7f0000000080)=0x8) sched_setscheduler(0x0, 0x1, &(0x7f0000001700)=0x4) socketpair$unix(0x1, 0x2, 0x0, &(0x7f0000000200)={0xffffffffffffffff, 0xffffffffffffffff}) connect$unix(r0, &(0x7f000057eff8)=@abs, 0x6e) sendmmsg$unix(r1, &(0x7f00000bd000), 0x318, 0x0) recvmmsg(r0, &(0x7f00000000c0), 0x10106, 0x2, 0x0) r2 = openat$loop_ctrl(0xffffff9c, &(0x7f0000000040), 0x0, 0x0) sendmmsg(r1, &(0x7f0000000fc0)=[{{&(0x7f0000000240)=@l2tp={0x2, 0x0, @loopback, 0x1}, 0x80, 0x0, 0x2b}}, {{0x0, 0x0, 0x0}}], 0x2, 0x440c4) r3 = getpid() tkill(r3, 0x0) sched_setaffinity(r3, 0x8, &(0x7f0000000000)=0x96f) ioctl$LOOP_CTL_ADD(r2, 0x4c80, 0x0) ioctl$LOOP_CTL_REMOVE(r2, 0x4c81, 0x0) 18:01:17 executing program 2: ioctl$SNDRV_CTL_IOCTL_RAWMIDI_NEXT_DEVICE(0xffffffffffffffff, 0xc1205531, 0xfffffffffffffffc) syz_genetlink_get_family_id$devlink(0x0, 0xffffffffffffffff) r0 = syz_mount_image$vfat(&(0x7f0000000900), &(0x7f0000000940)='./file0\x00', 0x200007, 0x2, &(0x7f0000000700)=[{&(0x7f0000000000)="eb3c906d8d6673fdd2617400028001000240000004f801", 0x17}, {&(0x7f0000001440)="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", 0x13f, 0x601}], 0x800440, &(0x7f00000004c0)={[{@shortname_winnt}, {@fat=@gid}, {@iocharset={'iocharset', 0x3d, 'cp866'}}, {@fat=@fmask={'fmask', 0x3d, 0x1ff}}, {@rodir}, {@fat=@errors_remount}, {@shortname_win95}, {@uni_xlate}, {@uni_xlateno}, {@utf8}, {@uni_xlate}, {@utf8no}]}) mknodat$loop(r0, &(0x7f0000000000)='./file0\x00', 0x100, 0x0) [ 727.211724][T10852] loop2: detected capacity change from 0 to 4096 [ 727.250153][ T2971] I/O error, dev loop2, sector 0 op 0x0:(READ) flags 0x0 phys_seg 1 prio class 2 [ 727.284037][ T2971] Buffer I/O error on dev loop2, logical block 0, async page read [ 727.296864][ T2971] loop2: unable to read partition table 18:01:17 executing program 2: prlimit64(0x0, 0xe, &(0x7f0000000140)={0x8, 0x8b}, 0x0) sched_setscheduler(0x0, 0x2, &(0x7f0000000080)=0x8) sched_setscheduler(0x0, 0x1, &(0x7f0000001700)=0x4) socketpair$unix(0x1, 0x2, 0x0, &(0x7f0000000200)={0xffffffffffffffff, 0xffffffffffffffff}) connect$unix(r0, &(0x7f000057eff8)=@abs, 0x6e) sendmmsg$unix(r1, &(0x7f00000bd000), 0x318, 0x0) recvmmsg(r0, &(0x7f00000000c0), 0x10106, 0x2, 0x0) r2 = openat$loop_ctrl(0xffffff9c, &(0x7f0000000040), 0x0, 0x0) sendmmsg(r1, &(0x7f0000000fc0)=[{{&(0x7f0000000240)=@l2tp={0x2, 0x0, @loopback, 0x1}, 0x80, 0x0, 0x2b}}, {{0x0, 0x0, 0x0}}], 0x2, 0x440c4) r3 = getpid() tkill(r3, 0x0) sched_setaffinity(r3, 0x8, &(0x7f0000000000)=0x96f) ioctl$LOOP_CTL_ADD(r2, 0x4c80, 0x0) ioctl$LOOP_CTL_REMOVE(r2, 0x4c81, 0x0) 18:01:17 executing program 1: prctl$PR_SCHED_CORE(0x3e, 0x1, 0x0, 0x2, 0x0) r0 = syz_open_dev$sndmidi(&(0x7f0000000040), 0x2, 0x141101) r1 = dup(r0) write$6lowpan_enable(r1, &(0x7f0000000000)='0', 0xfffffd2c) r2 = getpid() tkill(r2, 0x0) r3 = socket$inet6_sctp(0xa, 0x5, 0x84) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r3, 0x84, 0x9, &(0x7f0000000580)={0x0, @in={{0x2, 0x0, @empty}}, 0x0, 0x0, 0x3fc, 0x0, 0x32}, 0x9c) bind$packet(0xffffffffffffffff, &(0x7f0000000140)={0x11, 0xf0, 0x0, 0x1, 0x0, 0x6, @multicast}, 0x14) sendto$inet6(r3, &(0x7f0000847fff)='X', 0x34000, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) 18:01:18 executing program 5: prctl$PR_SCHED_CORE(0x3e, 0x1, 0x0, 0x2, 0x0) r0 = syz_open_dev$sndmidi(&(0x7f0000000040), 0x2, 0x141101) r1 = dup(r0) write$6lowpan_enable(r1, &(0x7f0000000000)='0', 0xfffffd2c) r2 = getpid() tkill(r2, 0x0) r3 = socket$inet6_sctp(0xa, 0x5, 0x84) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r3, 0x84, 0x9, &(0x7f0000000580)={0x0, @in={{0x2, 0x0, @empty}}, 0x0, 0x0, 0x3fc, 0x0, 0x32}, 0x9c) bind$packet(0xffffffffffffffff, &(0x7f0000000140)={0x11, 0xf0, 0x0, 0x1, 0x0, 0x6, @multicast}, 0x14) sendto$inet6(r3, &(0x7f0000847fff)='X', 0x34000, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) 18:01:19 executing program 4: prlimit64(0x0, 0xe, &(0x7f0000000140)={0x8, 0x8b}, 0x0) sched_setscheduler(0x0, 0x2, &(0x7f0000000080)=0x8) sched_setscheduler(0x0, 0x1, &(0x7f0000001700)=0x4) socketpair$unix(0x1, 0x2, 0x0, &(0x7f0000000200)={0xffffffffffffffff, 0xffffffffffffffff}) connect$unix(r0, &(0x7f000057eff8)=@abs, 0x6e) sendmmsg$unix(r1, &(0x7f00000bd000), 0x318, 0x0) recvmmsg(r0, &(0x7f00000000c0), 0x10106, 0x2, 0x0) r2 = openat$loop_ctrl(0xffffff9c, &(0x7f0000000040), 0x0, 0x0) sendmmsg(r1, &(0x7f0000000fc0)=[{{&(0x7f0000000240)=@l2tp={0x2, 0x0, @loopback, 0x1}, 0x80, 0x0, 0x2b}}, {{0x0, 0x0, 0x0}}], 0x2, 0x440c4) r3 = getpid() tkill(r3, 0x0) sched_setaffinity(r3, 0x8, &(0x7f0000000000)=0x96f) ioctl$LOOP_CTL_ADD(r2, 0x4c80, 0x0) ioctl$LOOP_CTL_REMOVE(r2, 0x4c81, 0x0) 18:01:19 executing program 3: prctl$PR_SCHED_CORE(0x3e, 0x1, 0x0, 0x2, 0x0) r0 = syz_open_dev$sndmidi(&(0x7f0000000040), 0x2, 0x141101) r1 = dup(r0) write$6lowpan_enable(r1, &(0x7f0000000000)='0', 0xfffffd2c) r2 = getpid() tkill(r2, 0x0) syz_open_procfs(r2, &(0x7f0000000080)='net/dev\x00') r3 = socket$inet6_sctp(0xa, 0x5, 0x84) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r3, 0x84, 0x9, &(0x7f0000000580)={0x0, @in={{0x2, 0x0, @empty}}, 0x0, 0x0, 0x3fc, 0x0, 0x32}, 0x9c) bind$inet6(r3, &(0x7f00004b8fe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) sendmsg$BATADV_CMD_GET_BLA_BACKBONE(0xffffffffffffffff, &(0x7f0000000240)={&(0x7f00000003c0)={0x10, 0x0, 0x0, 0x40000000}, 0xc, &(0x7f0000000580)={&(0x7f0000000ac0)=ANY=[@ANYBLOB="75b9609d35b13765f535640b1647adc8d4528d7dcb5ecd49ae55d43d3b97ecb1655aa6d8fee6b424e0505947a242cbd17bb07e95b202fc3c205cdbe6a8f96871306ae8b68ac958053ac4db38ca0dc66bbffd0930941f68eeb164059f458da7acaa5be83249f1180500a3884f69053123e3ce572b9b117c90fe0a17097d317242", @ANYRES32, @ANYRES64, @ANYRESOCT, @ANYBLOB="08003c0000080000ffa459f4d55ea7e660d27ca685e5ff2d0008000000080006003a47559364f7aad7844855eeb6e6d7b1e57d788f8dbacc87d90731e061160ba4f8e213ac52941d846cf53ab15299b9743f8bb0e6ea7725942d910a", @ANYRES16, @ANYRESOCT], 0x54}, 0x1, 0x0, 0x0, 0x4041}, 0x0) syz_mount_image$vfat(&(0x7f0000000900), &(0x7f0000000940)='./file0\x00', 0x200007, 0x3, &(0x7f0000000700)=[{&(0x7f0000000000)="eb3c906d8d6673fdd2617400028001000240000004f801", 0x17}, {&(0x7f0000001440)="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", 0x144, 0x601}, {0x0, 0x0, 0x5}], 0x800440, &(0x7f00000004c0)={[{@shortname_winnt}, {@fat=@gid}, {@iocharset={'iocharset', 0x3d, 'cp866'}}, {@fat=@fmask={'fmask', 0x3d, 0x1ff}}, {@rodir}, {@fat=@errors_remount}, {@shortname_win95}, {@uni_xlate}, {@uni_xlateno}, {@utf8}, {@uni_xlate}, {@utf8no}]}) sendmsg$IPSET_CMD_DEL(0xffffffffffffffff, &(0x7f0000000a80)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x200}, 0xc, &(0x7f0000000400)={&(0x7f00000008c0)=ANY=[@ANYRES64], 0x60}, 0x1, 0x0, 0x0, 0x8840}, 0x4040050) bind$packet(0xffffffffffffffff, &(0x7f0000000140)={0x11, 0xf0, 0x0, 0x1, 0x0, 0x6, @multicast}, 0x14) close_range(0xffffffffffffffff, 0xffffffffffffffff, 0x2) sendto$inet6(r3, &(0x7f0000847fff)='X', 0x34000, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) 18:01:19 executing program 1: prctl$PR_SCHED_CORE(0x3e, 0x1, 0x0, 0x2, 0x0) r0 = syz_open_dev$sndmidi(&(0x7f0000000040), 0x2, 0x141101) r1 = dup(r0) write$6lowpan_enable(r1, &(0x7f0000000000)='0', 0xfffffd2c) r2 = getpid() syz_open_procfs(r2, &(0x7f0000000080)='net/dev\x00') r3 = socket$inet6_sctp(0xa, 0x5, 0x84) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r3, 0x84, 0x9, &(0x7f0000000580)={0x0, @in={{0x2, 0x0, @empty}}, 0x0, 0x0, 0x3fc, 0x0, 0x32}, 0x9c) bind$packet(0xffffffffffffffff, &(0x7f0000000140)={0x11, 0xf0, 0x0, 0x1, 0x0, 0x6, @multicast}, 0x14) sendto$inet6(r3, &(0x7f0000847fff)='X', 0x34000, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) 18:01:19 executing program 5: prctl$PR_SCHED_CORE(0x3e, 0x1, 0x0, 0x2, 0x0) r0 = syz_open_dev$sndmidi(&(0x7f0000000040), 0x2, 0x141101) r1 = dup(r0) write$6lowpan_enable(r1, &(0x7f0000000000)='0', 0xfffffd2c) r2 = getpid() tkill(r2, 0x0) r3 = socket$inet6_sctp(0xa, 0x5, 0x84) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r3, 0x84, 0x9, &(0x7f0000000580)={0x0, @in={{0x2, 0x0, @empty}}, 0x0, 0x0, 0x3fc, 0x0, 0x32}, 0x9c) bind$packet(0xffffffffffffffff, &(0x7f0000000140)={0x11, 0xf0, 0x0, 0x1, 0x0, 0x6, @multicast}, 0x14) sendto$inet6(r3, &(0x7f0000847fff)='X', 0x34000, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) [ 729.877543][T10879] loop3: detected capacity change from 0 to 4096 18:01:20 executing program 0: prctl$PR_SCHED_CORE(0x3e, 0x1, 0x0, 0x2, 0x0) r0 = syz_open_dev$sndmidi(&(0x7f0000000040), 0x2, 0x141101) r1 = dup(r0) write$6lowpan_enable(r1, &(0x7f0000000000)='0', 0xfffffd2c) r2 = getpid() tkill(r2, 0x0) r3 = socket$inet6_sctp(0xa, 0x5, 0x84) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r3, 0x84, 0x9, &(0x7f0000000580)={0x0, @in={{0x2, 0x0, @empty}}, 0x0, 0x0, 0x3fc, 0x0, 0x32}, 0x9c) bind$packet(0xffffffffffffffff, &(0x7f0000000140)={0x11, 0xf0, 0x0, 0x1, 0x0, 0x6, @multicast}, 0x14) sendto$inet6(r3, &(0x7f0000847fff)='X', 0x34000, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) 18:01:20 executing program 1: prctl$PR_SCHED_CORE(0x3e, 0x1, 0x0, 0x2, 0x0) r0 = syz_open_dev$sndmidi(&(0x7f0000000040), 0x2, 0x141101) r1 = dup(r0) write$6lowpan_enable(r1, &(0x7f0000000000)='0', 0xfffffd2c) syz_open_procfs(0x0, &(0x7f0000000080)='net/dev\x00') r2 = socket$inet6_sctp(0xa, 0x5, 0x84) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r2, 0x84, 0x9, &(0x7f0000000580)={0x0, @in={{0x2, 0x0, @empty}}, 0x0, 0x0, 0x3fc, 0x0, 0x32}, 0x9c) bind$packet(0xffffffffffffffff, &(0x7f0000000140)={0x11, 0xf0, 0x0, 0x1, 0x0, 0x6, @multicast}, 0x14) sendto$inet6(r2, &(0x7f0000847fff)='X', 0x34000, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) 18:01:20 executing program 2: prctl$PR_SCHED_CORE(0x3e, 0x1, 0x0, 0x2, 0x0) r0 = syz_open_dev$sndmidi(&(0x7f0000000040), 0x2, 0x141101) r1 = dup(r0) write$6lowpan_enable(r1, &(0x7f0000000000)='0', 0xfffffd2c) r2 = getpid() syz_open_procfs(r2, &(0x7f0000000080)='net/dev\x00') r3 = socket$inet6_sctp(0xa, 0x5, 0x84) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r3, 0x84, 0x9, &(0x7f0000000580)={0x0, @in={{0x2, 0x0, @empty}}, 0x0, 0x0, 0x3fc, 0x0, 0x32}, 0x9c) bind$packet(0xffffffffffffffff, &(0x7f0000000140)={0x11, 0xf0, 0x0, 0x1, 0x0, 0x6, @multicast}, 0x14) sendto$inet6(r3, &(0x7f0000847fff)='X', 0x34000, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) 18:01:20 executing program 5: prctl$PR_SCHED_CORE(0x3e, 0x1, 0x0, 0x2, 0x0) r0 = syz_open_dev$sndmidi(&(0x7f0000000040), 0x2, 0x141101) r1 = dup(r0) write$6lowpan_enable(r1, &(0x7f0000000000)='0', 0xfffffd2c) r2 = getpid() tkill(r2, 0x0) r3 = socket$inet6_sctp(0xa, 0x5, 0x84) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r3, 0x84, 0x9, &(0x7f0000000580)={0x0, @in={{0x2, 0x0, @empty}}, 0x0, 0x0, 0x3fc, 0x0, 0x32}, 0x9c) bind$packet(0xffffffffffffffff, &(0x7f0000000140)={0x11, 0xf0, 0x0, 0x1, 0x0, 0x6, @multicast}, 0x14) sendto$inet6(r3, &(0x7f0000847fff)='X', 0x34000, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) 18:01:21 executing program 3: prctl$PR_SCHED_CORE(0x3e, 0x1, 0x0, 0x2, 0x0) r0 = syz_open_dev$sndmidi(&(0x7f0000000040), 0x2, 0x141101) r1 = dup(r0) write$6lowpan_enable(r1, &(0x7f0000000000)='0', 0xfffffd2c) r2 = getpid() tkill(r2, 0x0) syz_open_procfs(r2, &(0x7f0000000080)='net/dev\x00') r3 = socket$inet6_sctp(0xa, 0x5, 0x84) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r3, 0x84, 0x9, &(0x7f0000000580)={0x0, @in={{0x2, 0x0, @empty}}, 0x0, 0x0, 0x3fc, 0x0, 0x32}, 0x9c) bind$inet6(r3, &(0x7f00004b8fe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) sendmsg$BATADV_CMD_GET_BLA_BACKBONE(0xffffffffffffffff, &(0x7f0000000240)={&(0x7f00000003c0)={0x10, 0x0, 0x0, 0x40000000}, 0xc, &(0x7f0000000580)={&(0x7f0000000ac0)=ANY=[@ANYBLOB="75b9609d35b13765f535640b1647adc8d4528d7dcb5ecd49ae55d43d3b97ecb1655aa6d8fee6b424e0505947a242cbd17bb07e95b202fc3c205cdbe6a8f96871306ae8b68ac958053ac4db38ca0dc66bbffd0930941f68eeb164059f458da7acaa5be83249f1180500a3884f69053123e3ce572b9b117c90fe0a17097d317242", @ANYRES32, @ANYRES64, @ANYRESOCT, @ANYBLOB="08003c0000080000ffa459f4d55ea7e660d27ca685e5ff2d0008000000080006003a47559364f7aad7844855eeb6e6d7b1e57d788f8dbacc87d90731e061160ba4f8e213ac52941d846cf53ab15299b9743f8bb0e6ea7725942d910a", @ANYRES16, @ANYRESOCT], 0x54}, 0x1, 0x0, 0x0, 0x4041}, 0x0) syz_mount_image$vfat(&(0x7f0000000900), &(0x7f0000000940)='./file0\x00', 0x200007, 0x3, &(0x7f0000000700)=[{&(0x7f0000000000)="eb3c906d8d6673fdd2617400028001000240000004f801", 0x17}, {&(0x7f0000001440)="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", 0x144, 0x601}, {0x0, 0x0, 0x5}], 0x800440, &(0x7f00000004c0)={[{@shortname_winnt}, {@fat=@gid}, {@iocharset={'iocharset', 0x3d, 'cp866'}}, {@fat=@fmask={'fmask', 0x3d, 0x1ff}}, {@rodir}, {@fat=@errors_remount}, {@shortname_win95}, {@uni_xlate}, {@uni_xlateno}, {@utf8}, {@uni_xlate}, {@utf8no}]}) sendmsg$IPSET_CMD_DEL(0xffffffffffffffff, &(0x7f0000000a80)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x200}, 0xc, &(0x7f0000000400)={&(0x7f00000008c0)=ANY=[@ANYRES64], 0x60}, 0x1, 0x0, 0x0, 0x8840}, 0x4040050) bind$packet(0xffffffffffffffff, &(0x7f0000000140)={0x11, 0xf0, 0x0, 0x1, 0x0, 0x6, @multicast}, 0x14) close_range(0xffffffffffffffff, 0xffffffffffffffff, 0x2) sendto$inet6(r3, &(0x7f0000847fff)='X', 0x34000, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) 18:01:21 executing program 5: ioctl$SNDRV_CTL_IOCTL_RAWMIDI_NEXT_DEVICE(0xffffffffffffffff, 0xc1205531, 0xfffffffffffffffc) syz_genetlink_get_family_id$devlink(0x0, 0xffffffffffffffff) r0 = syz_mount_image$vfat(&(0x7f0000000900), &(0x7f0000000940)='./file0\x00', 0x200007, 0x2, &(0x7f0000000700)=[{&(0x7f0000000000)="eb3c906d8d6673fdd2617400028001000240000004f801", 0x17}, {&(0x7f0000001440)="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", 0x140, 0x601}], 0x800440, &(0x7f00000004c0)={[{@shortname_winnt}, {@fat=@gid}, {@iocharset={'iocharset', 0x3d, 'cp866'}}, {@fat=@fmask={'fmask', 0x3d, 0x1ff}}, {@rodir}, {@fat=@errors_remount}, {@shortname_win95}, {@uni_xlate}, {@uni_xlateno}, {@utf8}, {@uni_xlate}, {@utf8no}]}) mknodat$loop(r0, &(0x7f0000000000)='./file0\x00', 0x100, 0x0) [ 731.339629][T10900] loop3: detected capacity change from 0 to 4096 [ 731.488590][T10902] loop5: detected capacity change from 0 to 4096 18:01:21 executing program 5: ioctl$SNDRV_CTL_IOCTL_RAWMIDI_NEXT_DEVICE(0xffffffffffffffff, 0xc1205531, 0xfffffffffffffffc) syz_genetlink_get_family_id$devlink(0x0, 0xffffffffffffffff) r0 = syz_mount_image$vfat(&(0x7f0000000900), &(0x7f0000000940)='./file0\x00', 0x200007, 0x2, &(0x7f0000000700)=[{&(0x7f0000000000)="eb3c906d8d6673fdd2617400028001000240000004f801", 0x17}, {&(0x7f0000001440)="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", 0x140, 0x601}], 0x800440, &(0x7f00000004c0)={[{@shortname_winnt}, {@fat=@gid}, {@iocharset={'iocharset', 0x3d, 'cp866'}}, {@fat=@fmask={'fmask', 0x3d, 0x1ff}}, {@rodir}, {@fat=@errors_remount}, {@shortname_win95}, {@uni_xlate}, {@uni_xlateno}, {@utf8}, {@uni_xlate}, {@utf8no}]}) mknodat$loop(r0, &(0x7f0000000000)='./file0\x00', 0x100, 0x0) 18:01:21 executing program 1: prctl$PR_SCHED_CORE(0x3e, 0x1, 0x0, 0x2, 0x0) r0 = syz_open_dev$sndmidi(&(0x7f0000000040), 0x2, 0x141101) dup(r0) syz_open_procfs(0x0, &(0x7f0000000080)='net/dev\x00') r1 = socket$inet6_sctp(0xa, 0x5, 0x84) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r1, 0x84, 0x9, &(0x7f0000000580)={0x0, @in={{0x2, 0x0, @empty}}, 0x0, 0x0, 0x3fc, 0x0, 0x32}, 0x9c) bind$packet(0xffffffffffffffff, &(0x7f0000000140)={0x11, 0xf0, 0x0, 0x1, 0x0, 0x6, @multicast}, 0x14) sendto$inet6(r1, &(0x7f0000847fff)='X', 0x34000, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) [ 731.686322][T10905] loop5: detected capacity change from 0 to 4096 18:01:22 executing program 5: prctl$PR_SCHED_CORE(0x3e, 0x1, 0x0, 0x2, 0x0) r0 = syz_open_dev$sndmidi(&(0x7f0000000040), 0x2, 0x141101) r1 = dup(r0) write$6lowpan_enable(r1, &(0x7f0000000000)='0', 0xfffffd2c) syz_open_procfs(0x0, &(0x7f0000000080)='net/dev\x00') r2 = socket$inet6_sctp(0xa, 0x5, 0x84) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r2, 0x84, 0x9, &(0x7f0000000580)={0x0, @in={{0x2, 0x0, @empty}}, 0x0, 0x0, 0x3fc, 0x0, 0x32}, 0x9c) bind$packet(0xffffffffffffffff, &(0x7f0000000140)={0x11, 0xf0, 0x0, 0x1, 0x0, 0x6, @multicast}, 0x14) sendto$inet6(r2, &(0x7f0000847fff)='X', 0x34000, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) 18:01:22 executing program 0: prctl$PR_SCHED_CORE(0x3e, 0x1, 0x0, 0x2, 0x0) r0 = syz_open_dev$sndmidi(&(0x7f0000000040), 0x2, 0x141101) r1 = dup(r0) write$6lowpan_enable(r1, &(0x7f0000000000)='0', 0xfffffd2c) r2 = getpid() tkill(r2, 0x0) r3 = socket$inet6_sctp(0xa, 0x5, 0x84) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r3, 0x84, 0x9, &(0x7f0000000580)={0x0, @in={{0x2, 0x0, @empty}}, 0x0, 0x0, 0x3fc, 0x0, 0x32}, 0x9c) bind$packet(0xffffffffffffffff, &(0x7f0000000140)={0x11, 0xf0, 0x0, 0x1, 0x0, 0x6, @multicast}, 0x14) sendto$inet6(r3, &(0x7f0000847fff)='X', 0x34000, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) 18:01:22 executing program 1: prctl$PR_SCHED_CORE(0x3e, 0x1, 0x0, 0x2, 0x0) r0 = syz_open_dev$sndmidi(&(0x7f0000000040), 0x2, 0x141101) dup(r0) syz_open_procfs(0x0, &(0x7f0000000080)='net/dev\x00') r1 = socket$inet6_sctp(0xa, 0x5, 0x84) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r1, 0x84, 0x9, &(0x7f0000000580)={0x0, @in={{0x2, 0x0, @empty}}, 0x0, 0x0, 0x3fc, 0x0, 0x32}, 0x9c) bind$packet(0xffffffffffffffff, &(0x7f0000000140)={0x11, 0xf0, 0x0, 0x1, 0x0, 0x6, @multicast}, 0x14) sendto$inet6(r1, &(0x7f0000847fff)='X', 0x34000, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) 18:01:22 executing program 2: prctl$PR_SCHED_CORE(0x3e, 0x1, 0x0, 0x2, 0x0) r0 = syz_open_dev$sndmidi(&(0x7f0000000040), 0x2, 0x141101) r1 = dup(r0) write$6lowpan_enable(r1, &(0x7f0000000000)='0', 0xfffffd2c) r2 = getpid() syz_open_procfs(r2, &(0x7f0000000080)='net/dev\x00') r3 = socket$inet6_sctp(0xa, 0x5, 0x84) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r3, 0x84, 0x9, &(0x7f0000000580)={0x0, @in={{0x2, 0x0, @empty}}, 0x0, 0x0, 0x3fc, 0x0, 0x32}, 0x9c) bind$packet(0xffffffffffffffff, &(0x7f0000000140)={0x11, 0xf0, 0x0, 0x1, 0x0, 0x6, @multicast}, 0x14) sendto$inet6(r3, &(0x7f0000847fff)='X', 0x34000, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) 18:01:22 executing program 4: prctl$PR_SCHED_CORE(0x3e, 0x1, 0x0, 0x2, 0x0) r0 = syz_open_dev$sndmidi(&(0x7f0000000040), 0x2, 0x141101) r1 = dup(r0) write$6lowpan_enable(r1, &(0x7f0000000000)='0', 0xfffffd2c) r2 = getpid() tkill(r2, 0x0) syz_open_procfs(r2, &(0x7f0000000080)='net/dev\x00') r3 = socket$inet6_sctp(0xa, 0x5, 0x84) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r3, 0x84, 0x9, &(0x7f0000000580)={0x0, @in={{0x2, 0x0, @empty}}, 0x0, 0x0, 0x3fc, 0x0, 0x32}, 0x9c) bind$inet6(r3, &(0x7f00004b8fe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) sendmsg$BATADV_CMD_GET_BLA_BACKBONE(0xffffffffffffffff, &(0x7f0000000240)={&(0x7f00000003c0)={0x10, 0x0, 0x0, 0x40000000}, 0xc, &(0x7f0000000580)={&(0x7f0000000ac0)=ANY=[@ANYBLOB="75b9609d35b13765f535640b1647adc8d4528d7dcb5ecd49ae55d43d3b97ecb1655aa6d8fee6b424e0505947a242cbd17bb07e95b202fc3c205cdbe6a8f96871306ae8b68ac958053ac4db38ca0dc66bbffd0930941f68eeb164059f458da7acaa5be83249f1180500a3884f69053123e3ce572b9b117c90fe0a17097d317242", @ANYRES32, @ANYRES64, @ANYRESOCT, @ANYBLOB="08003c0000080000ffa459f4d55ea7e660d27ca685e5ff2d0008000000080006003a47559364f7aad7844855eeb6e6d7b1e57d788f8dbacc87d90731e061160ba4f8e213ac52941d846cf53ab15299b9743f8bb0e6ea7725942d910a", @ANYRES16, @ANYRESOCT], 0x54}, 0x1, 0x0, 0x0, 0x4041}, 0x0) syz_mount_image$vfat(&(0x7f0000000900), &(0x7f0000000940)='./file0\x00', 0x200007, 0x3, &(0x7f0000000700)=[{&(0x7f0000000000)="eb3c906d8d6673fdd2617400028001000240000004f801", 0x17}, {&(0x7f0000001440)="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", 0x144, 0x601}, {0x0, 0x0, 0x5}], 0x800440, &(0x7f00000004c0)={[{@shortname_winnt}, {@fat=@gid}, {@iocharset={'iocharset', 0x3d, 'cp866'}}, {@fat=@fmask={'fmask', 0x3d, 0x1ff}}, {@rodir}, {@fat=@errors_remount}, {@shortname_win95}, {@uni_xlate}, {@uni_xlateno}, {@utf8}, {@uni_xlate}, {@utf8no}]}) sendmsg$IPSET_CMD_DEL(0xffffffffffffffff, &(0x7f0000000a80)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x200}, 0xc, &(0x7f0000000400)={&(0x7f00000008c0)=ANY=[@ANYRES64], 0x60}, 0x1, 0x0, 0x0, 0x8840}, 0x4040050) bind$packet(0xffffffffffffffff, &(0x7f0000000140)={0x11, 0xf0, 0x0, 0x1, 0x0, 0x6, @multicast}, 0x14) close_range(0xffffffffffffffff, 0xffffffffffffffff, 0x2) sendto$inet6(r3, &(0x7f0000847fff)='X', 0x34000, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) 18:01:22 executing program 3: r0 = syz_mount_image$vfat(&(0x7f0000000900), &(0x7f0000000940)='./file0\x00', 0x200007, 0x1, &(0x7f0000000700)=[{&(0x7f0000000000)="eb3c906d8d6673fdd2617400028001000240000004f801", 0x17}], 0x0, &(0x7f00000004c0)={[{@shortname_winnt}, {@fat=@gid}, {@iocharset={'iocharset', 0x3d, 'cp866'}}, {@fat=@fmask={'fmask', 0x3d, 0x1ff}}, {@rodir}]}) ioctl$FAT_IOCTL_SET_ATTRIBUTES(r0, 0x40047211, &(0x7f0000000000)=0x8) [ 732.265266][T10919] loop3: detected capacity change from 0 to 4096 18:01:22 executing program 3: prctl$PR_SCHED_CORE(0x3e, 0x1, 0x0, 0x2, 0x0) r0 = syz_open_dev$sndmidi(&(0x7f0000000040), 0x2, 0x141101) r1 = dup(r0) write$6lowpan_enable(r1, &(0x7f0000000000)='0', 0xfffffd2c) r2 = getpid() tkill(r2, 0x0) syz_open_procfs(r2, &(0x7f0000000080)='net/dev\x00') r3 = socket$inet6_sctp(0xa, 0x5, 0x84) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r3, 0x84, 0x9, &(0x7f0000000580)={0x0, @in={{0x2, 0x0, @empty}}, 0x0, 0x0, 0x3fc, 0x0, 0x32}, 0x9c) bind$inet6(r3, &(0x7f00004b8fe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) sendmsg$BATADV_CMD_GET_BLA_BACKBONE(0xffffffffffffffff, &(0x7f0000000240)={&(0x7f00000003c0)={0x10, 0x0, 0x0, 0x40000000}, 0xc, &(0x7f0000000580)={&(0x7f0000000ac0)=ANY=[@ANYBLOB="75b9609d35b13765f535640b1647adc8d4528d7dcb5ecd49ae55d43d3b97ecb1655aa6d8fee6b424e0505947a242cbd17bb07e95b202fc3c205cdbe6a8f96871306ae8b68ac958053ac4db38ca0dc66bbffd0930941f68eeb164059f458da7acaa5be83249f1180500a3884f69053123e3ce572b9b117c90fe0a17097d317242", @ANYRES32, @ANYRES64, @ANYRESOCT, @ANYBLOB="08003c0000080000ffa459f4d55ea7e660d27ca685e5ff2d0008000000080006003a47559364f7aad7844855eeb6e6d7b1e57d788f8dbacc87d90731e061160ba4f8e213ac52941d846cf53ab15299b9743f8bb0e6ea7725942d910a", @ANYRES16, @ANYRESOCT], 0x54}, 0x1, 0x0, 0x0, 0x4041}, 0x0) syz_mount_image$vfat(&(0x7f0000000900), &(0x7f0000000940)='./file0\x00', 0x200007, 0x3, &(0x7f0000000700)=[{&(0x7f0000000000)="eb3c906d8d6673fdd2617400028001000240000004f801", 0x17}, {&(0x7f0000001440)="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", 0x144, 0x601}, {0x0, 0x0, 0x5}], 0x800440, &(0x7f00000004c0)={[{@shortname_winnt}, {@fat=@gid}, {@iocharset={'iocharset', 0x3d, 'cp866'}}, {@fat=@fmask={'fmask', 0x3d, 0x1ff}}, {@rodir}, {@fat=@errors_remount}, {@shortname_win95}, {@uni_xlate}, {@uni_xlateno}, {@utf8}, {@uni_xlate}, {@utf8no}]}) sendmsg$IPSET_CMD_DEL(0xffffffffffffffff, &(0x7f0000000a80)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x200}, 0xc, &(0x7f0000000400)={&(0x7f00000008c0)=ANY=[@ANYRES64], 0x60}, 0x1, 0x0, 0x0, 0x8840}, 0x4040050) bind$packet(0xffffffffffffffff, &(0x7f0000000140)={0x11, 0xf0, 0x0, 0x1, 0x0, 0x6, @multicast}, 0x14) close_range(0xffffffffffffffff, 0xffffffffffffffff, 0x2) sendto$inet6(r3, &(0x7f0000847fff)='X', 0x34000, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) [ 732.389472][T10923] loop4: detected capacity change from 0 to 4096 18:01:22 executing program 1: prctl$PR_SCHED_CORE(0x3e, 0x1, 0x0, 0x2, 0x0) r0 = syz_open_dev$sndmidi(&(0x7f0000000040), 0x2, 0x141101) dup(r0) syz_open_procfs(0x0, &(0x7f0000000080)='net/dev\x00') r1 = socket$inet6_sctp(0xa, 0x5, 0x84) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r1, 0x84, 0x9, &(0x7f0000000580)={0x0, @in={{0x2, 0x0, @empty}}, 0x0, 0x0, 0x3fc, 0x0, 0x32}, 0x9c) bind$packet(0xffffffffffffffff, &(0x7f0000000140)={0x11, 0xf0, 0x0, 0x1, 0x0, 0x6, @multicast}, 0x14) sendto$inet6(r1, &(0x7f0000847fff)='X', 0x34000, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) [ 732.631110][T10928] loop3: detected capacity change from 0 to 4096 18:01:22 executing program 1: prctl$PR_SCHED_CORE(0x3e, 0x1, 0x0, 0x2, 0x0) syz_open_dev$sndmidi(&(0x7f0000000040), 0x2, 0x141101) write$6lowpan_enable(0xffffffffffffffff, &(0x7f0000000000)='0', 0xfffffd2c) syz_open_procfs(0x0, &(0x7f0000000080)='net/dev\x00') r0 = socket$inet6_sctp(0xa, 0x5, 0x84) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r0, 0x84, 0x9, &(0x7f0000000580)={0x0, @in={{0x2, 0x0, @empty}}, 0x0, 0x0, 0x3fc, 0x0, 0x32}, 0x9c) bind$packet(0xffffffffffffffff, &(0x7f0000000140)={0x11, 0xf0, 0x0, 0x1, 0x0, 0x6, @multicast}, 0x14) sendto$inet6(r0, &(0x7f0000847fff)='X', 0x34000, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) 18:01:23 executing program 1: prctl$PR_SCHED_CORE(0x3e, 0x1, 0x0, 0x2, 0x0) syz_open_dev$sndmidi(&(0x7f0000000040), 0x2, 0x141101) write$6lowpan_enable(0xffffffffffffffff, &(0x7f0000000000)='0', 0xfffffd2c) syz_open_procfs(0x0, &(0x7f0000000080)='net/dev\x00') r0 = socket$inet6_sctp(0xa, 0x5, 0x84) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r0, 0x84, 0x9, &(0x7f0000000580)={0x0, @in={{0x2, 0x0, @empty}}, 0x0, 0x0, 0x3fc, 0x0, 0x32}, 0x9c) bind$packet(0xffffffffffffffff, &(0x7f0000000140)={0x11, 0xf0, 0x0, 0x1, 0x0, 0x6, @multicast}, 0x14) sendto$inet6(r0, &(0x7f0000847fff)='X', 0x34000, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) 18:01:23 executing program 5: prctl$PR_SCHED_CORE(0x3e, 0x1, 0x0, 0x2, 0x0) syz_open_dev$sndmidi(&(0x7f0000000040), 0x2, 0x141101) write$6lowpan_enable(0xffffffffffffffff, &(0x7f0000000000)='0', 0xfffffd2c) syz_open_procfs(0x0, &(0x7f0000000080)='net/dev\x00') r0 = socket$inet6_sctp(0xa, 0x5, 0x84) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r0, 0x84, 0x9, &(0x7f0000000580)={0x0, @in={{0x2, 0x0, @empty}}, 0x0, 0x0, 0x3fc, 0x0, 0x32}, 0x9c) bind$packet(0xffffffffffffffff, &(0x7f0000000140)={0x11, 0xf0, 0x0, 0x1, 0x0, 0x6, @multicast}, 0x14) sendto$inet6(r0, &(0x7f0000847fff)='X', 0x34000, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) 18:01:23 executing program 1: prctl$PR_SCHED_CORE(0x3e, 0x1, 0x0, 0x2, 0x0) syz_open_dev$sndmidi(&(0x7f0000000040), 0x2, 0x141101) write$6lowpan_enable(0xffffffffffffffff, &(0x7f0000000000)='0', 0xfffffd2c) syz_open_procfs(0x0, &(0x7f0000000080)='net/dev\x00') r0 = socket$inet6_sctp(0xa, 0x5, 0x84) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r0, 0x84, 0x9, &(0x7f0000000580)={0x0, @in={{0x2, 0x0, @empty}}, 0x0, 0x0, 0x3fc, 0x0, 0x32}, 0x9c) bind$packet(0xffffffffffffffff, &(0x7f0000000140)={0x11, 0xf0, 0x0, 0x1, 0x0, 0x6, @multicast}, 0x14) sendto$inet6(r0, &(0x7f0000847fff)='X', 0x34000, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) 18:01:23 executing program 0: prctl$PR_SCHED_CORE(0x3e, 0x1, 0x0, 0x2, 0x0) syz_open_dev$sndmidi(&(0x7f0000000040), 0x2, 0x141101) write$6lowpan_enable(0xffffffffffffffff, &(0x7f0000000000)='0', 0xfffffd2c) syz_open_procfs(0x0, &(0x7f0000000080)='net/dev\x00') r0 = socket$inet6_sctp(0xa, 0x5, 0x84) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r0, 0x84, 0x9, &(0x7f0000000580)={0x0, @in={{0x2, 0x0, @empty}}, 0x0, 0x0, 0x3fc, 0x0, 0x32}, 0x9c) bind$packet(0xffffffffffffffff, &(0x7f0000000140)={0x11, 0xf0, 0x0, 0x1, 0x0, 0x6, @multicast}, 0x14) sendto$inet6(r0, &(0x7f0000847fff)='X', 0x34000, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) 18:01:23 executing program 2: prctl$PR_SCHED_CORE(0x3e, 0x1, 0x0, 0x2, 0x0) r0 = syz_open_dev$sndmidi(&(0x7f0000000040), 0x2, 0x141101) r1 = dup(r0) write$6lowpan_enable(r1, &(0x7f0000000000)='0', 0xfffffd2c) r2 = getpid() syz_open_procfs(r2, &(0x7f0000000080)='net/dev\x00') r3 = socket$inet6_sctp(0xa, 0x5, 0x84) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r3, 0x84, 0x9, &(0x7f0000000580)={0x0, @in={{0x2, 0x0, @empty}}, 0x0, 0x0, 0x3fc, 0x0, 0x32}, 0x9c) bind$packet(0xffffffffffffffff, &(0x7f0000000140)={0x11, 0xf0, 0x0, 0x1, 0x0, 0x6, @multicast}, 0x14) sendto$inet6(r3, &(0x7f0000847fff)='X', 0x34000, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) 18:01:23 executing program 5: prctl$PR_SCHED_CORE(0x3e, 0x1, 0x0, 0x2, 0x0) r0 = syz_open_dev$sndmidi(&(0x7f0000000040), 0x2, 0x141101) dup(r0) syz_open_procfs(0x0, &(0x7f0000000080)='net/dev\x00') r1 = socket$inet6_sctp(0xa, 0x5, 0x84) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r1, 0x84, 0x9, &(0x7f0000000580)={0x0, @in={{0x2, 0x0, @empty}}, 0x0, 0x0, 0x3fc, 0x0, 0x32}, 0x9c) bind$packet(0xffffffffffffffff, &(0x7f0000000140)={0x11, 0xf0, 0x0, 0x1, 0x0, 0x6, @multicast}, 0x14) sendto$inet6(r1, &(0x7f0000847fff)='X', 0x34000, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) 18:01:23 executing program 4: prctl$PR_SCHED_CORE(0x3e, 0x1, 0x0, 0x2, 0x0) r0 = syz_open_dev$sndmidi(&(0x7f0000000040), 0x2, 0x141101) dup(r0) syz_open_procfs(0x0, &(0x7f0000000080)='net/dev\x00') r1 = socket$inet6_sctp(0xa, 0x5, 0x84) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r1, 0x84, 0x9, &(0x7f0000000580)={0x0, @in={{0x2, 0x0, @empty}}, 0x0, 0x0, 0x3fc, 0x0, 0x32}, 0x9c) bind$packet(0xffffffffffffffff, &(0x7f0000000140)={0x11, 0xf0, 0x0, 0x1, 0x0, 0x6, @multicast}, 0x14) sendto$inet6(r1, &(0x7f0000847fff)='X', 0x34000, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) 18:01:23 executing program 1: prctl$PR_SCHED_CORE(0x3e, 0x1, 0x0, 0x2, 0x0) r0 = dup(0xffffffffffffffff) write$6lowpan_enable(r0, &(0x7f0000000000)='0', 0xfffffd2c) syz_open_procfs(0x0, &(0x7f0000000080)='net/dev\x00') r1 = socket$inet6_sctp(0xa, 0x5, 0x84) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r1, 0x84, 0x9, &(0x7f0000000580)={0x0, @in={{0x2, 0x0, @empty}}, 0x0, 0x0, 0x3fc, 0x0, 0x32}, 0x9c) bind$packet(0xffffffffffffffff, &(0x7f0000000140)={0x11, 0xf0, 0x0, 0x1, 0x0, 0x6, @multicast}, 0x14) sendto$inet6(r1, &(0x7f0000847fff)='X', 0x34000, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) 18:01:23 executing program 3: prctl$PR_SCHED_CORE(0x3e, 0x1, 0x0, 0x2, 0x0) syz_open_dev$sndmidi(&(0x7f0000000040), 0x2, 0x141101) write$6lowpan_enable(0xffffffffffffffff, &(0x7f0000000000)='0', 0xfffffd2c) syz_open_procfs(0x0, &(0x7f0000000080)='net/dev\x00') r0 = socket$inet6_sctp(0xa, 0x5, 0x84) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r0, 0x84, 0x9, &(0x7f0000000580)={0x0, @in={{0x2, 0x0, @empty}}, 0x0, 0x0, 0x3fc, 0x0, 0x32}, 0x9c) bind$packet(0xffffffffffffffff, &(0x7f0000000140)={0x11, 0xf0, 0x0, 0x1, 0x0, 0x6, @multicast}, 0x14) sendto$inet6(r0, &(0x7f0000847fff)='X', 0x34000, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) 18:01:23 executing program 0: prctl$PR_SCHED_CORE(0x3e, 0x1, 0x0, 0x2, 0x0) r0 = syz_open_dev$sndmidi(&(0x7f0000000040), 0x2, 0x141101) dup(r0) syz_open_procfs(0x0, &(0x7f0000000080)='net/dev\x00') r1 = socket$inet6_sctp(0xa, 0x5, 0x84) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r1, 0x84, 0x9, &(0x7f0000000580)={0x0, @in={{0x2, 0x0, @empty}}, 0x0, 0x0, 0x3fc, 0x0, 0x32}, 0x9c) bind$packet(0xffffffffffffffff, &(0x7f0000000140)={0x11, 0xf0, 0x0, 0x1, 0x0, 0x6, @multicast}, 0x14) sendto$inet6(r1, &(0x7f0000847fff)='X', 0x34000, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) 18:01:23 executing program 4: prlimit64(0x0, 0xe, &(0x7f0000000140)={0x8, 0x8b}, 0x0) sched_setscheduler(0x0, 0x2, &(0x7f0000000080)=0x8) r0 = getpid() sched_setscheduler(r0, 0x1, &(0x7f0000001700)=0x4) socketpair$unix(0x1, 0x2, 0x0, &(0x7f0000000200)={0xffffffffffffffff, 0xffffffffffffffff}) connect$unix(r1, &(0x7f000057eff8)=@abs, 0x6e) sendmmsg$unix(r2, &(0x7f00000bd000), 0x318, 0x0) recvmmsg(r1, &(0x7f00000000c0), 0x10106, 0x2, 0x0) r3 = openat$loop_ctrl(0xffffff9c, &(0x7f0000000040), 0x0, 0x0) sendmmsg(r2, &(0x7f0000000fc0)=[{{&(0x7f0000000240)=@l2tp={0x2, 0x0, @loopback, 0x1}, 0x80, 0x0, 0x2b}}, {{0x0, 0x0, 0x0}}], 0x2, 0x440c4) r4 = getpid() tkill(r4, 0x0) sched_setaffinity(r4, 0x8, &(0x7f0000000000)=0x96f) ioctl$LOOP_CTL_ADD(r3, 0x4c80, 0x0) ioctl$LOOP_CTL_REMOVE(r3, 0x4c81, 0x0) 18:01:23 executing program 5: prlimit64(0x0, 0xe, &(0x7f0000000140)={0x8, 0x8b}, 0x0) sched_setscheduler(0x0, 0x2, &(0x7f0000000080)=0x8) r0 = getpid() sched_setscheduler(r0, 0x1, &(0x7f0000001700)=0x4) socketpair$unix(0x1, 0x2, 0x0, &(0x7f0000000200)={0xffffffffffffffff, 0xffffffffffffffff}) connect$unix(r1, &(0x7f000057eff8)=@abs, 0x6e) sendmmsg$unix(r2, &(0x7f00000bd000), 0x318, 0x0) recvmmsg(r1, &(0x7f00000000c0), 0x10106, 0x2, 0x0) r3 = openat$loop_ctrl(0xffffff9c, &(0x7f0000000040), 0x0, 0x0) sendmmsg(r2, &(0x7f0000000fc0)=[{{&(0x7f0000000240)=@l2tp={0x2, 0x0, @loopback, 0x1}, 0x80, 0x0, 0x2b}}, {{0x0, 0x0, 0x0}}], 0x2, 0x440c4) r4 = getpid() tkill(r4, 0x0) sched_setaffinity(r4, 0x8, &(0x7f0000000000)=0x96f) ioctl$LOOP_CTL_ADD(r3, 0x4c80, 0x0) ioctl$LOOP_CTL_REMOVE(r3, 0x4c81, 0x0) 18:01:23 executing program 0: r0 = syz_mount_image$vfat(&(0x7f0000000900), &(0x7f0000000940)='./file0\x00', 0x200007, 0x1, &(0x7f0000000700)=[{&(0x7f0000000000)="eb3c906d8d6673fdd2617400028001000240000004f801", 0x17}], 0x0, &(0x7f00000004c0)={[{@shortname_winnt}, {@fat=@gid}, {@iocharset={'iocharset', 0x3d, 'cp866'}}, {@fat=@fmask={'fmask', 0x3d, 0x1ff}}, {@rodir}, {@fat=@errors_remount}, {@shortname_win95}]}) ioctl$FAT_IOCTL_SET_ATTRIBUTES(r0, 0x40047211, &(0x7f0000000000)=0x8) 18:01:23 executing program 1: prctl$PR_SCHED_CORE(0x3e, 0x1, 0x0, 0x2, 0x0) r0 = dup(0xffffffffffffffff) write$6lowpan_enable(r0, &(0x7f0000000000)='0', 0xfffffd2c) syz_open_procfs(0x0, &(0x7f0000000080)='net/dev\x00') r1 = socket$inet6_sctp(0xa, 0x5, 0x84) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r1, 0x84, 0x9, &(0x7f0000000580)={0x0, @in={{0x2, 0x0, @empty}}, 0x0, 0x0, 0x3fc, 0x0, 0x32}, 0x9c) bind$packet(0xffffffffffffffff, &(0x7f0000000140)={0x11, 0xf0, 0x0, 0x1, 0x0, 0x6, @multicast}, 0x14) sendto$inet6(r1, &(0x7f0000847fff)='X', 0x34000, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) 18:01:27 executing program 2: prctl$PR_SCHED_CORE(0x3e, 0x1, 0x0, 0x2, 0x0) r0 = syz_open_dev$sndmidi(&(0x7f0000000040), 0x2, 0x141101) r1 = dup(r0) write$6lowpan_enable(r1, &(0x7f0000000000)='0', 0xfffffd2c) r2 = getpid() syz_open_procfs(r2, &(0x7f0000000080)='net/dev\x00') r3 = socket$inet6_sctp(0xa, 0x5, 0x84) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r3, 0x84, 0x9, &(0x7f0000000580)={0x0, @in={{0x2, 0x0, @empty}}, 0x0, 0x0, 0x3fc, 0x0, 0x32}, 0x9c) sendto$inet6(r3, &(0x7f0000847fff)='X', 0x34000, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) 18:01:27 executing program 1: prctl$PR_SCHED_CORE(0x3e, 0x1, 0x0, 0x2, 0x0) r0 = dup(0xffffffffffffffff) write$6lowpan_enable(r0, &(0x7f0000000000)='0', 0xfffffd2c) syz_open_procfs(0x0, &(0x7f0000000080)='net/dev\x00') r1 = socket$inet6_sctp(0xa, 0x5, 0x84) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r1, 0x84, 0x9, &(0x7f0000000580)={0x0, @in={{0x2, 0x0, @empty}}, 0x0, 0x0, 0x3fc, 0x0, 0x32}, 0x9c) bind$packet(0xffffffffffffffff, &(0x7f0000000140)={0x11, 0xf0, 0x0, 0x1, 0x0, 0x6, @multicast}, 0x14) sendto$inet6(r1, &(0x7f0000847fff)='X', 0x34000, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) 18:01:27 executing program 0: r0 = syz_mount_image$vfat(&(0x7f0000000900), &(0x7f0000000940)='./file0\x00', 0x200007, 0x1, &(0x7f0000000700)=[{&(0x7f0000000000)="eb3c906d8d6673fdd2617400028001000240000004f801", 0x17}], 0x0, &(0x7f00000004c0)={[{@shortname_winnt}, {@fat=@gid}, {@iocharset={'iocharset', 0x3d, 'cp866'}}, {@fat=@fmask={'fmask', 0x3d, 0x1ff}}, {@rodir}, {@fat=@errors_remount}, {@shortname_win95}]}) ioctl$FAT_IOCTL_SET_ATTRIBUTES(r0, 0x40047211, &(0x7f0000000000)=0x8) 18:01:27 executing program 3: prctl$PR_SCHED_CORE(0x3e, 0x1, 0x0, 0x2, 0x0) syz_open_dev$sndmidi(&(0x7f0000000040), 0x2, 0x141101) write$6lowpan_enable(0xffffffffffffffff, &(0x7f0000000000)='0', 0xfffffd2c) syz_open_procfs(0x0, &(0x7f0000000080)='net/dev\x00') r0 = socket$inet6_sctp(0xa, 0x5, 0x84) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r0, 0x84, 0x9, &(0x7f0000000580)={0x0, @in={{0x2, 0x0, @empty}}, 0x0, 0x0, 0x3fc, 0x0, 0x32}, 0x9c) bind$packet(0xffffffffffffffff, &(0x7f0000000140)={0x11, 0xf0, 0x0, 0x1, 0x0, 0x6, @multicast}, 0x14) sendto$inet6(r0, &(0x7f0000847fff)='X', 0x34000, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) 18:01:27 executing program 5: prlimit64(0x0, 0xe, &(0x7f0000000140)={0x8, 0x8b}, 0x0) sched_setscheduler(0x0, 0x2, &(0x7f0000000080)=0x8) r0 = getpid() sched_setscheduler(r0, 0x1, &(0x7f0000001700)=0x4) socketpair$unix(0x1, 0x2, 0x0, &(0x7f0000000200)={0xffffffffffffffff, 0xffffffffffffffff}) connect$unix(r1, &(0x7f000057eff8)=@abs, 0x6e) sendmmsg$unix(r2, &(0x7f00000bd000), 0x318, 0x0) recvmmsg(r1, &(0x7f00000000c0), 0x10106, 0x2, 0x0) r3 = openat$loop_ctrl(0xffffff9c, &(0x7f0000000040), 0x0, 0x0) sendmmsg(r2, &(0x7f0000000fc0)=[{{&(0x7f0000000240)=@l2tp={0x2, 0x0, @loopback, 0x1}, 0x80, 0x0, 0x2b}}, {{0x0, 0x0, 0x0}}], 0x2, 0x440c4) r4 = getpid() tkill(r4, 0x0) sched_setaffinity(r4, 0x8, &(0x7f0000000000)=0x96f) ioctl$LOOP_CTL_ADD(r3, 0x4c80, 0x0) ioctl$LOOP_CTL_REMOVE(r3, 0x4c81, 0x0) 18:01:27 executing program 4: prctl$PR_SCHED_CORE(0x3e, 0x1, 0x0, 0x2, 0x0) r0 = dup(0xffffffffffffffff) write$6lowpan_enable(r0, &(0x7f0000000000)='0', 0xfffffd2c) syz_open_procfs(0x0, &(0x7f0000000080)='net/dev\x00') r1 = socket$inet6_sctp(0xa, 0x5, 0x84) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r1, 0x84, 0x9, &(0x7f0000000580)={0x0, @in={{0x2, 0x0, @empty}}, 0x0, 0x0, 0x3fc, 0x0, 0x32}, 0x9c) bind$packet(0xffffffffffffffff, &(0x7f0000000140)={0x11, 0xf0, 0x0, 0x1, 0x0, 0x6, @multicast}, 0x14) sendto$inet6(r1, &(0x7f0000847fff)='X', 0x34000, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) 18:01:28 executing program 0: r0 = syz_mount_image$vfat(&(0x7f0000000900), &(0x7f0000000940)='./file0\x00', 0x200007, 0x1, &(0x7f0000000700)=[{&(0x7f0000000000)="eb3c906d8d6673fdd2617400028001000240000004f801", 0x17}], 0x0, &(0x7f00000004c0)={[{@shortname_winnt}, {@fat=@gid}, {@iocharset={'iocharset', 0x3d, 'cp866'}}, {@fat=@fmask={'fmask', 0x3d, 0x1ff}}, {@rodir}, {@fat=@errors_remount}, {@shortname_win95}]}) ioctl$FAT_IOCTL_SET_ATTRIBUTES(r0, 0x40047211, &(0x7f0000000000)=0x8) 18:01:28 executing program 0: prlimit64(0x0, 0xe, &(0x7f0000000140)={0x8, 0x8b}, 0x0) sched_setscheduler(0x0, 0x2, &(0x7f0000000080)=0x8) getpid() getpid() socketpair$unix(0x1, 0x2, 0x0, &(0x7f0000000200)={0xffffffffffffffff, 0xffffffffffffffff}) connect$unix(r0, &(0x7f000057eff8)=@abs, 0x6e) sendmmsg$unix(r1, &(0x7f00000bd000), 0x318, 0x0) recvmmsg(r0, &(0x7f00000000c0), 0x10106, 0x2, 0x0) r2 = openat$loop_ctrl(0xffffff9c, &(0x7f0000000040), 0x0, 0x0) sendmmsg(r1, &(0x7f0000000fc0)=[{{&(0x7f0000000240)=@l2tp={0x2, 0x0, @loopback, 0x1}, 0x80, 0x0, 0x2b}}, {{0x0, 0x0, 0x0}}], 0x2, 0x440c4) r3 = getpid() tkill(r3, 0x0) sched_setaffinity(r3, 0x8, &(0x7f0000000000)=0x96f) ioctl$LOOP_CTL_ADD(r2, 0x4c80, 0x0) ioctl$LOOP_CTL_REMOVE(r2, 0x4c81, 0x0) 18:01:28 executing program 1: r0 = syz_open_dev$sndmidi(&(0x7f0000000040), 0x2, 0x141101) r1 = dup(r0) write$6lowpan_enable(r1, &(0x7f0000000000)='0', 0xfffffd2c) syz_open_procfs(0x0, &(0x7f0000000080)='net/dev\x00') r2 = socket$inet6_sctp(0xa, 0x5, 0x84) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r2, 0x84, 0x9, &(0x7f0000000580)={0x0, @in={{0x2, 0x0, @empty}}, 0x0, 0x0, 0x3fc, 0x0, 0x32}, 0x9c) bind$packet(0xffffffffffffffff, &(0x7f0000000140)={0x11, 0xf0, 0x0, 0x1, 0x0, 0x6, @multicast}, 0x14) sendto$inet6(r2, &(0x7f0000847fff)='X', 0x34000, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) 18:01:28 executing program 5: prctl$PR_SCHED_CORE(0x3e, 0x1, 0x0, 0x2, 0x0) r0 = dup(0xffffffffffffffff) write$6lowpan_enable(r0, &(0x7f0000000000)='0', 0xfffffd2c) syz_open_procfs(0x0, &(0x7f0000000080)='net/dev\x00') r1 = socket$inet6_sctp(0xa, 0x5, 0x84) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r1, 0x84, 0x9, &(0x7f0000000580)={0x0, @in={{0x2, 0x0, @empty}}, 0x0, 0x0, 0x3fc, 0x0, 0x32}, 0x9c) bind$packet(0xffffffffffffffff, &(0x7f0000000140)={0x11, 0xf0, 0x0, 0x1, 0x0, 0x6, @multicast}, 0x14) sendto$inet6(r1, &(0x7f0000847fff)='X', 0x34000, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) 18:01:28 executing program 4: prctl$PR_SCHED_CORE(0x3e, 0x1, 0x0, 0x2, 0x0) r0 = dup(0xffffffffffffffff) write$6lowpan_enable(r0, &(0x7f0000000000)='0', 0xfffffd2c) syz_open_procfs(0x0, &(0x7f0000000080)='net/dev\x00') r1 = socket$inet6_sctp(0xa, 0x5, 0x84) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r1, 0x84, 0x9, &(0x7f0000000580)={0x0, @in={{0x2, 0x0, @empty}}, 0x0, 0x0, 0x3fc, 0x0, 0x32}, 0x9c) bind$packet(0xffffffffffffffff, &(0x7f0000000140)={0x11, 0xf0, 0x0, 0x1, 0x0, 0x6, @multicast}, 0x14) sendto$inet6(r1, &(0x7f0000847fff)='X', 0x34000, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) 18:01:28 executing program 3: prctl$PR_SCHED_CORE(0x3e, 0x1, 0x0, 0x2, 0x0) syz_open_dev$sndmidi(&(0x7f0000000040), 0x2, 0x141101) write$6lowpan_enable(0xffffffffffffffff, &(0x7f0000000000)='0', 0xfffffd2c) syz_open_procfs(0x0, &(0x7f0000000080)='net/dev\x00') r0 = socket$inet6_sctp(0xa, 0x5, 0x84) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r0, 0x84, 0x9, &(0x7f0000000580)={0x0, @in={{0x2, 0x0, @empty}}, 0x0, 0x0, 0x3fc, 0x0, 0x32}, 0x9c) bind$packet(0xffffffffffffffff, &(0x7f0000000140)={0x11, 0xf0, 0x0, 0x1, 0x0, 0x6, @multicast}, 0x14) sendto$inet6(r0, &(0x7f0000847fff)='X', 0x34000, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) 18:01:28 executing program 2: prctl$PR_SCHED_CORE(0x3e, 0x1, 0x0, 0x2, 0x0) r0 = syz_open_dev$sndmidi(&(0x7f0000000040), 0x2, 0x141101) r1 = dup(r0) write$6lowpan_enable(r1, &(0x7f0000000000)='0', 0xfffffd2c) r2 = getpid() syz_open_procfs(r2, &(0x7f0000000080)='net/dev\x00') r3 = socket$inet6_sctp(0xa, 0x5, 0x84) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r3, 0x84, 0x9, &(0x7f0000000580)={0x0, @in={{0x2, 0x0, @empty}}, 0x0, 0x0, 0x3fc, 0x0, 0x32}, 0x9c) sendto$inet6(r3, &(0x7f0000847fff)='X', 0x34000, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) 18:01:28 executing program 5: prctl$PR_SCHED_CORE(0x3e, 0x1, 0x0, 0x2, 0x0) r0 = syz_open_dev$sndmidi(&(0x7f0000000040), 0x2, 0x141101) r1 = dup(r0) write$6lowpan_enable(r1, &(0x7f0000000000)='0', 0xfffffd2c) r2 = getpid() tkill(r2, 0x0) syz_open_procfs(r2, &(0x7f0000000080)='net/dev\x00') r3 = socket$inet6_sctp(0xa, 0x5, 0x84) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r3, 0x84, 0x9, &(0x7f0000000580)={0x0, @in={{0x2, 0x0, @empty}}, 0x0, 0x0, 0x3fc, 0x0, 0x32}, 0x9c) bind$inet6(r3, &(0x7f00004b8fe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) sendmsg$BATADV_CMD_GET_BLA_BACKBONE(0xffffffffffffffff, &(0x7f0000000240)={&(0x7f00000003c0)={0x10, 0x0, 0x0, 0x40000000}, 0xc, &(0x7f0000000580)={&(0x7f0000000ac0)=ANY=[@ANYBLOB="75b9609d35b13765f535640b1647adc8d4528d7dcb5ecd49ae55d43d3b97ecb1655aa6d8fee6b424e0505947a242cbd17bb07e95b202fc3c205cdbe6a8f96871306ae8b68ac958053ac4db38ca0dc66bbffd0930941f68eeb164059f458da7acaa5be83249f1180500a3884f69053123e3ce572b9b117c90fe0a17097d317242", @ANYRES32, @ANYRES64, @ANYRESOCT, @ANYBLOB="08003c0000080000ffa459f4d55ea7e660d27ca685e5ff2d0008000000080006003a47559364f7aad7844855eeb6e6d7b1e57d788f8dbacc87d90731e061160ba4f8e213ac52941d846cf53ab15299b9743f8bb0e6ea7725942d910a", @ANYRES16, @ANYRESOCT], 0x54}, 0x1, 0x0, 0x0, 0x4041}, 0x0) r4 = syz_mount_image$vfat(&(0x7f0000000900), &(0x7f0000000940)='./file0\x00', 0x200007, 0x3, &(0x7f0000000700)=[{&(0x7f0000000000)="eb3c906d8d6673fdd2617400028001000240000004f801", 0x17}, {&(0x7f0000001440)="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", 0x144, 0x601}, {0x0, 0x0, 0x5}], 0x800440, &(0x7f00000004c0)={[{@shortname_winnt}, {@fat=@gid}, {@iocharset={'iocharset', 0x3d, 'cp866'}}, {@fat=@fmask={'fmask', 0x3d, 0x1ff}}, {@rodir}, {@fat=@errors_remount}, {@shortname_win95}, {@uni_xlate}, {@uni_xlateno}, {@utf8}, {@uni_xlate}, {@utf8no}]}) sendmsg$IPSET_CMD_DEL(0xffffffffffffffff, &(0x7f0000000a80)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x200}, 0xc, &(0x7f0000000400)={&(0x7f00000008c0)=ANY=[@ANYRES64], 0x60}, 0x1, 0x0, 0x0, 0x8840}, 0x4040050) sendmsg$nl_route(0xffffffffffffffff, &(0x7f0000000980)={&(0x7f0000000440)={0x10, 0x0, 0x0, 0x10000000}, 0xc, &(0x7f0000000740)={&(0x7f0000000d00)=ANY=[@ANYBLOB="86f2407d8a204caf80b640e69a13fefeff6f0000042ba98cfcfccd470037369314427ebd70000000000000000000000000000000cdfb0fa21b95f8072c528f2858315775d7552e", @ANYRES32=0x0, @ANYBLOB="0c943d0559ff0600ff0000000c00018005000600c0000000100001800c00a03a03462081c7fc75d9ffffbf", @ANYRESDEC=r4, @ANYRES64], 0x40}, 0x1, 0x0, 0x0, 0x4008000}, 0x44040) bind$packet(0xffffffffffffffff, &(0x7f0000000140)={0x11, 0xf0, 0x0, 0x1, 0x0, 0x6, @multicast}, 0x14) close_range(0xffffffffffffffff, 0xffffffffffffffff, 0x2) sendto$inet6(r3, &(0x7f0000847fff)='X', 0x34000, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) [ 739.041636][T11003] loop5: detected capacity change from 0 to 4096 [ 739.042970][ T2971] I/O error, dev loop5, sector 0 op 0x0:(READ) flags 0x0 phys_seg 1 prio class 2 18:01:29 executing program 4: prctl$PR_SCHED_CORE(0x3e, 0x1, 0x0, 0x2, 0x0) r0 = syz_open_dev$sndmidi(&(0x7f0000000040), 0x2, 0x141101) r1 = dup(r0) write$6lowpan_enable(r1, &(0x7f0000000000)='0', 0xfffffd2c) r2 = getpid() tkill(r2, 0x0) syz_open_procfs(r2, &(0x7f0000000080)='net/dev\x00') r3 = socket$inet6_sctp(0xa, 0x5, 0x84) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r3, 0x84, 0x9, &(0x7f0000000580)={0x0, @in={{0x2, 0x0, @empty}}, 0x0, 0x0, 0x3fc, 0x0, 0x32}, 0x9c) bind$inet6(r3, &(0x7f00004b8fe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) sendmsg$BATADV_CMD_GET_BLA_BACKBONE(0xffffffffffffffff, &(0x7f0000000240)={&(0x7f00000003c0)={0x10, 0x0, 0x0, 0x40000000}, 0xc, &(0x7f0000000580)={&(0x7f0000000ac0)=ANY=[@ANYBLOB="75b9609d35b13765f535640b1647adc8d4528d7dcb5ecd49ae55d43d3b97ecb1655aa6d8fee6b424e0505947a242cbd17bb07e95b202fc3c205cdbe6a8f96871306ae8b68ac958053ac4db38ca0dc66bbffd0930941f68eeb164059f458da7acaa5be83249f1180500a3884f69053123e3ce572b9b117c90fe0a17097d317242", @ANYRES32, @ANYRES64, @ANYRESOCT, @ANYBLOB="08003c0000080000ffa459f4d55ea7e660d27ca685e5ff2d0008000000080006003a47559364f7aad7844855eeb6e6d7b1e57d788f8dbacc87d90731e061160ba4f8e213ac52941d846cf53ab15299b9743f8bb0e6ea7725942d910a", @ANYRES16, @ANYRESOCT], 0x54}, 0x1, 0x0, 0x0, 0x4041}, 0x0) r4 = syz_mount_image$vfat(&(0x7f0000000900), &(0x7f0000000940)='./file0\x00', 0x200007, 0x3, &(0x7f0000000700)=[{&(0x7f0000000000)="eb3c906d8d6673fdd2617400028001000240000004f801", 0x17}, {&(0x7f0000001440)="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", 0x144, 0x601}, {0x0, 0x0, 0x5}], 0x800440, &(0x7f00000004c0)={[{@shortname_winnt}, {@fat=@gid}, {@iocharset={'iocharset', 0x3d, 'cp866'}}, {@fat=@fmask={'fmask', 0x3d, 0x1ff}}, {@rodir}, {@fat=@errors_remount}, {@shortname_win95}, {@uni_xlate}, {@uni_xlateno}, {@utf8}, {@uni_xlate}, {@utf8no}]}) sendmsg$IPSET_CMD_DEL(0xffffffffffffffff, &(0x7f0000000a80)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x200}, 0xc, &(0x7f0000000400)={&(0x7f00000008c0)=ANY=[@ANYRES64], 0x60}, 0x1, 0x0, 0x0, 0x8840}, 0x4040050) sendmsg$nl_route(0xffffffffffffffff, &(0x7f0000000980)={&(0x7f0000000440)={0x10, 0x0, 0x0, 0x10000000}, 0xc, &(0x7f0000000740)={&(0x7f0000000d00)=ANY=[@ANYBLOB="86f2407d8a204caf80b640e69a13fefeff6f0000042ba98cfcfccd470037369314427ebd70000000000000000000000000000000cdfb0fa21b95f8072c528f2858315775d7552e", @ANYRES32=0x0, @ANYBLOB="0c943d0559ff0600ff0000000c00018005000600c0000000100001800c00a03a03462081c7fc75d9ffffbf", @ANYRESDEC=r4, @ANYRES64], 0x40}, 0x1, 0x0, 0x0, 0x4008000}, 0x44040) bind$packet(0xffffffffffffffff, &(0x7f0000000140)={0x11, 0xf0, 0x0, 0x1, 0x0, 0x6, @multicast}, 0x14) close_range(0xffffffffffffffff, 0xffffffffffffffff, 0x2) sendto$inet6(r3, &(0x7f0000847fff)='X', 0x34000, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) [ 739.164070][ T2971] Buffer I/O error on dev loop5, logical block 0, async page read [ 739.186717][ T2971] loop5: unable to read partition table [ 739.349852][T11007] loop4: detected capacity change from 0 to 4096 [ 739.372728][ T2971] I/O error, dev loop4, sector 0 op 0x0:(READ) flags 0x0 phys_seg 1 prio class 2 18:01:29 executing program 1: r0 = syz_open_dev$sndmidi(&(0x7f0000000040), 0x2, 0x141101) r1 = dup(r0) write$6lowpan_enable(r1, &(0x7f0000000000)='0', 0xfffffd2c) syz_open_procfs(0x0, &(0x7f0000000080)='net/dev\x00') r2 = socket$inet6_sctp(0xa, 0x5, 0x84) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r2, 0x84, 0x9, &(0x7f0000000580)={0x0, @in={{0x2, 0x0, @empty}}, 0x0, 0x0, 0x3fc, 0x0, 0x32}, 0x9c) bind$packet(0xffffffffffffffff, &(0x7f0000000140)={0x11, 0xf0, 0x0, 0x1, 0x0, 0x6, @multicast}, 0x14) sendto$inet6(r2, &(0x7f0000847fff)='X', 0x34000, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) [ 739.459041][ T2971] Buffer I/O error on dev loop4, logical block 0, async page read [ 739.511229][ T2971] loop4: unable to read partition table 18:01:29 executing program 3: ioctl$SNDRV_CTL_IOCTL_RAWMIDI_NEXT_DEVICE(0xffffffffffffffff, 0xc1205531, 0xfffffffffffffffc) syz_genetlink_get_family_id$devlink(0x0, 0xffffffffffffffff) r0 = syz_mount_image$vfat(&(0x7f0000000900), &(0x7f0000000940)='./file0\x00', 0x200007, 0x2, &(0x7f0000000700)=[{&(0x7f0000000000)="eb3c906d8d6673fdd2617400028001000240000004f801", 0x17}, {&(0x7f0000001440)="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", 0x140, 0x601}], 0x800440, &(0x7f00000004c0)={[{@shortname_winnt}, {@fat=@gid}, {@iocharset={'iocharset', 0x3d, 'cp866'}}, {@fat=@fmask={'fmask', 0x3d, 0x1ff}}, {@rodir}, {@fat=@errors_remount}, {@shortname_win95}, {@uni_xlate}, {@uni_xlateno}, {@utf8}, {@uni_xlate}, {@utf8no}]}) mknodat$loop(r0, &(0x7f0000000000)='./file0\x00', 0x100, 0x0) [ 739.669107][T11014] loop3: detected capacity change from 0 to 4096 18:01:29 executing program 3: r0 = syz_mount_image$vfat(&(0x7f0000000900), &(0x7f0000000940)='./file0\x00', 0x200007, 0x2, &(0x7f0000000700)=[{&(0x7f0000000000)="eb3c906d8d6673fdd2617400028001000240000004f801", 0x17}, {&(0x7f0000001440)="57595a4b414c4c45522020085ac19f69b8f2b2b1ea1b86fe96df5eed1df1df001cc2de850f1fff00000000000000005effac2ac4c15e29fb3c18edfff8d198e312475ffa1d000000000000ad25822a17b17f463e104179c19c2a000000000000000031ddc0777df2ec4f62826086704d703da32c57364aed74cd748a178abcaf1180ad796d06c19dbfeab6d3ed941a1cacccf272186cd3ca10ff022a10965e82db34", 0xa2, 0x601}], 0x800440, &(0x7f00000004c0)={[{@shortname_winnt}, {@fat=@gid}, {@iocharset={'iocharset', 0x3d, 'cp866'}}, {@fat=@fmask={'fmask', 0x3d, 0x1ff}}, {@rodir}, {@fat=@errors_remount}, {@shortname_win95}, {@uni_xlate}, {@uni_xlateno}, {@utf8}, {@uni_xlate}, {@utf8no}]}) mknodat$loop(r0, &(0x7f0000000000)='./file0\x00', 0x100, 0x0) 18:01:29 executing program 2: prctl$PR_SCHED_CORE(0x3e, 0x1, 0x0, 0x2, 0x0) r0 = syz_open_dev$sndmidi(&(0x7f0000000040), 0x2, 0x141101) r1 = dup(r0) write$6lowpan_enable(r1, &(0x7f0000000000)='0', 0xfffffd2c) r2 = getpid() syz_open_procfs(r2, &(0x7f0000000080)='net/dev\x00') r3 = socket$inet6_sctp(0xa, 0x5, 0x84) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r3, 0x84, 0x9, &(0x7f0000000580)={0x0, @in={{0x2, 0x0, @empty}}, 0x0, 0x0, 0x3fc, 0x0, 0x32}, 0x9c) sendto$inet6(r3, &(0x7f0000847fff)='X', 0x34000, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) [ 739.954950][T11018] loop3: detected capacity change from 0 to 4096 18:01:30 executing program 3: prctl$PR_SCHED_CORE(0x3e, 0x1, 0x0, 0x2, 0x0) r0 = syz_open_dev$sndmidi(&(0x7f0000000040), 0x2, 0x141101) r1 = dup(r0) write$6lowpan_enable(r1, &(0x7f0000000000)='0', 0xfffffd2c) r2 = getpid() syz_open_procfs(r2, &(0x7f0000000080)='net/dev\x00') r3 = socket$inet6_sctp(0xa, 0x5, 0x84) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r3, 0x84, 0x9, &(0x7f0000000580)={0x0, @in={{0x2, 0x0, @empty}}, 0x0, 0x0, 0x3fc, 0x0, 0x32}, 0x9c) sendto$inet6(r3, &(0x7f0000847fff)='X', 0x34000, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) 18:01:30 executing program 5: prctl$PR_SCHED_CORE(0x3e, 0x1, 0x0, 0x2, 0x0) r0 = syz_open_dev$sndmidi(&(0x7f0000000040), 0x2, 0x141101) r1 = dup(r0) write$6lowpan_enable(r1, &(0x7f0000000000)='0', 0xfffffd2c) r2 = getpid() tkill(r2, 0x0) syz_open_procfs(r2, &(0x7f0000000080)='net/dev\x00') r3 = socket$inet6_sctp(0xa, 0x5, 0x84) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r3, 0x84, 0x9, &(0x7f0000000580)={0x0, @in={{0x2, 0x0, @empty}}, 0x0, 0x0, 0x3fc, 0x0, 0x32}, 0x9c) bind$inet6(r3, &(0x7f00004b8fe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) sendmsg$BATADV_CMD_GET_BLA_BACKBONE(0xffffffffffffffff, &(0x7f0000000240)={&(0x7f00000003c0)={0x10, 0x0, 0x0, 0x40000000}, 0xc, &(0x7f0000000580)={&(0x7f0000000ac0)=ANY=[@ANYBLOB="75b9609d35b13765f535640b1647adc8d4528d7dcb5ecd49ae55d43d3b97ecb1655aa6d8fee6b424e0505947a242cbd17bb07e95b202fc3c205cdbe6a8f96871306ae8b68ac958053ac4db38ca0dc66bbffd0930941f68eeb164059f458da7acaa5be83249f1180500a3884f69053123e3ce572b9b117c90fe0a17097d317242", @ANYRES32, @ANYRES64, @ANYRESOCT, @ANYBLOB="08003c0000080000ffa459f4d55ea7e660d27ca685e5ff2d0008000000080006003a47559364f7aad7844855eeb6e6d7b1e57d788f8dbacc87d90731e061160ba4f8e213ac52941d846cf53ab15299b9743f8bb0e6ea7725942d910a", @ANYRES16, @ANYRESOCT], 0x54}, 0x1, 0x0, 0x0, 0x4041}, 0x0) r4 = syz_mount_image$vfat(&(0x7f0000000900), &(0x7f0000000940)='./file0\x00', 0x200007, 0x3, &(0x7f0000000700)=[{&(0x7f0000000000)="eb3c906d8d6673fdd2617400028001000240000004f801", 0x17}, {&(0x7f0000001440)="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", 0x144, 0x601}, {0x0, 0x0, 0x5}], 0x800440, &(0x7f00000004c0)={[{@shortname_winnt}, {@fat=@gid}, {@iocharset={'iocharset', 0x3d, 'cp866'}}, {@fat=@fmask={'fmask', 0x3d, 0x1ff}}, {@rodir}, {@fat=@errors_remount}, {@shortname_win95}, {@uni_xlate}, {@uni_xlateno}, {@utf8}, {@uni_xlate}, {@utf8no}]}) sendmsg$IPSET_CMD_DEL(0xffffffffffffffff, &(0x7f0000000a80)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x200}, 0xc, &(0x7f0000000400)={&(0x7f00000008c0)=ANY=[@ANYRES64], 0x60}, 0x1, 0x0, 0x0, 0x8840}, 0x4040050) sendmsg$nl_route(0xffffffffffffffff, &(0x7f0000000980)={&(0x7f0000000440)={0x10, 0x0, 0x0, 0x10000000}, 0xc, &(0x7f0000000740)={&(0x7f0000000d00)=ANY=[@ANYBLOB="86f2407d8a204caf80b640e69a13fefeff6f0000042ba98cfcfccd470037369314427ebd70000000000000000000000000000000cdfb0fa21b95f8072c528f2858315775d7552e", @ANYRES32=0x0, @ANYBLOB="0c943d0559ff0600ff0000000c00018005000600c0000000100001800c00a03a03462081c7fc75d9ffffbf", @ANYRESDEC=r4, @ANYRES64], 0x40}, 0x1, 0x0, 0x0, 0x4008000}, 0x44040) bind$packet(0xffffffffffffffff, &(0x7f0000000140)={0x11, 0xf0, 0x0, 0x1, 0x0, 0x6, @multicast}, 0x14) close_range(0xffffffffffffffff, 0xffffffffffffffff, 0x2) sendto$inet6(r3, &(0x7f0000847fff)='X', 0x34000, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) 18:01:30 executing program 4: r0 = syz_mount_image$vfat(&(0x7f0000000900), &(0x7f0000000940)='./file0\x00', 0x200007, 0x1, &(0x7f0000000700)=[{&(0x7f0000000000)="eb3c906d8d6673fdd2617400028001000240000004f801", 0x17}], 0x0, &(0x7f00000004c0)={[{@shortname_winnt}, {@fat=@gid}, {@iocharset={'iocharset', 0x3d, 'cp866'}}, {@fat=@fmask={'fmask', 0x3d, 0x1ff}}, {@rodir}, {@fat=@errors_remount}, {@shortname_win95}, {@uni_xlate}]}) ioctl$FAT_IOCTL_SET_ATTRIBUTES(r0, 0x40047211, &(0x7f0000000000)=0x8) 18:01:30 executing program 1: r0 = syz_open_dev$sndmidi(&(0x7f0000000040), 0x2, 0x141101) r1 = dup(r0) write$6lowpan_enable(r1, &(0x7f0000000000)='0', 0xfffffd2c) syz_open_procfs(0x0, &(0x7f0000000080)='net/dev\x00') r2 = socket$inet6_sctp(0xa, 0x5, 0x84) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r2, 0x84, 0x9, &(0x7f0000000580)={0x0, @in={{0x2, 0x0, @empty}}, 0x0, 0x0, 0x3fc, 0x0, 0x32}, 0x9c) bind$packet(0xffffffffffffffff, &(0x7f0000000140)={0x11, 0xf0, 0x0, 0x1, 0x0, 0x6, @multicast}, 0x14) sendto$inet6(r2, &(0x7f0000847fff)='X', 0x34000, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) 18:01:30 executing program 0: prlimit64(0x0, 0xe, &(0x7f0000000140)={0x8, 0x8b}, 0x0) sched_setscheduler(0x0, 0x2, &(0x7f0000000080)=0x8) getpid() getpid() socketpair$unix(0x1, 0x2, 0x0, &(0x7f0000000200)={0xffffffffffffffff, 0xffffffffffffffff}) connect$unix(r0, &(0x7f000057eff8)=@abs, 0x6e) sendmmsg$unix(r1, &(0x7f00000bd000), 0x318, 0x0) recvmmsg(r0, &(0x7f00000000c0), 0x10106, 0x2, 0x0) r2 = openat$loop_ctrl(0xffffff9c, &(0x7f0000000040), 0x0, 0x0) sendmmsg(r1, &(0x7f0000000fc0)=[{{&(0x7f0000000240)=@l2tp={0x2, 0x0, @loopback, 0x1}, 0x80, 0x0, 0x2b}}, {{0x0, 0x0, 0x0}}], 0x2, 0x440c4) r3 = getpid() tkill(r3, 0x0) sched_setaffinity(r3, 0x8, &(0x7f0000000000)=0x96f) ioctl$LOOP_CTL_ADD(r2, 0x4c80, 0x0) ioctl$LOOP_CTL_REMOVE(r2, 0x4c81, 0x0) [ 740.607705][T11027] loop4: detected capacity change from 0 to 4096 18:01:30 executing program 4: r0 = syz_open_dev$sndmidi(&(0x7f0000000040), 0x2, 0x141101) r1 = dup(r0) write$6lowpan_enable(r1, &(0x7f0000000000)='0', 0xfffffd2c) syz_open_procfs(0x0, &(0x7f0000000080)='net/dev\x00') r2 = socket$inet6_sctp(0xa, 0x5, 0x84) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r2, 0x84, 0x9, &(0x7f0000000580)={0x0, @in={{0x2, 0x0, @empty}}, 0x0, 0x0, 0x3fc, 0x0, 0x32}, 0x9c) bind$packet(0xffffffffffffffff, &(0x7f0000000140)={0x11, 0xf0, 0x0, 0x1, 0x0, 0x6, @multicast}, 0x14) sendto$inet6(r2, &(0x7f0000847fff)='X', 0x34000, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) 18:01:30 executing program 2: prctl$PR_SCHED_CORE(0x3e, 0x1, 0x0, 0x2, 0x0) r0 = syz_open_dev$sndmidi(&(0x7f0000000040), 0x2, 0x141101) r1 = dup(r0) write$6lowpan_enable(r1, &(0x7f0000000000)='0', 0xfffffd2c) r2 = getpid() syz_open_procfs(r2, &(0x7f0000000080)='net/dev\x00') r3 = socket$inet6_sctp(0xa, 0x5, 0x84) bind$packet(0xffffffffffffffff, &(0x7f0000000140)={0x11, 0xf0, 0x0, 0x1, 0x0, 0x6, @multicast}, 0x14) sendto$inet6(r3, &(0x7f0000847fff)='X', 0x34000, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) [ 740.729123][T11029] loop5: detected capacity change from 0 to 4096 18:01:31 executing program 1: prctl$PR_SCHED_CORE(0x3e, 0x0, 0x0, 0x2, 0x0) r0 = syz_open_dev$sndmidi(&(0x7f0000000040), 0x2, 0x141101) r1 = dup(r0) write$6lowpan_enable(r1, &(0x7f0000000000)='0', 0xfffffd2c) syz_open_procfs(0x0, &(0x7f0000000080)='net/dev\x00') r2 = socket$inet6_sctp(0xa, 0x5, 0x84) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r2, 0x84, 0x9, &(0x7f0000000580)={0x0, @in={{0x2, 0x0, @empty}}, 0x0, 0x0, 0x3fc, 0x0, 0x32}, 0x9c) bind$packet(0xffffffffffffffff, &(0x7f0000000140)={0x11, 0xf0, 0x0, 0x1, 0x0, 0x6, @multicast}, 0x14) sendto$inet6(r2, &(0x7f0000847fff)='X', 0x34000, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) 18:01:31 executing program 4: prctl$PR_SCHED_CORE(0x3e, 0x1, 0x0, 0x2, 0x0) r0 = syz_open_dev$sndmidi(&(0x7f0000000040), 0x2, 0x141101) r1 = dup(r0) write$6lowpan_enable(r1, &(0x7f0000000000)='0', 0xfffffd2c) r2 = getpid() syz_open_procfs(r2, &(0x7f0000000080)='net/dev\x00') r3 = socket$inet6_sctp(0xa, 0x5, 0x84) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r3, 0x84, 0x9, &(0x7f0000000580)={0x0, @in={{0x2, 0x0, @empty}}, 0x0, 0x0, 0x3fc, 0x0, 0x32}, 0x9c) sendto$inet6(r3, &(0x7f0000847fff)='X', 0x34000, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) 18:01:31 executing program 3: prctl$PR_SCHED_CORE(0x3e, 0x1, 0x0, 0x2, 0x0) r0 = syz_open_dev$sndmidi(&(0x7f0000000040), 0x2, 0x141101) r1 = dup(r0) write$6lowpan_enable(r1, &(0x7f0000000000)='0', 0xfffffd2c) r2 = getpid() syz_open_procfs(r2, &(0x7f0000000080)='net/dev\x00') r3 = socket$inet6_sctp(0xa, 0x5, 0x84) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r3, 0x84, 0x9, &(0x7f0000000580)={0x0, @in={{0x2, 0x0, @empty}}, 0x0, 0x0, 0x3fc, 0x0, 0x32}, 0x9c) sendto$inet6(r3, &(0x7f0000847fff)='X', 0x34000, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) 18:01:31 executing program 2: prctl$PR_SCHED_CORE(0x3e, 0x1, 0x0, 0x2, 0x0) r0 = syz_open_dev$sndmidi(&(0x7f0000000040), 0x2, 0x141101) r1 = dup(r0) write$6lowpan_enable(r1, &(0x7f0000000000)='0', 0xfffffd2c) r2 = getpid() syz_open_procfs(r2, &(0x7f0000000080)='net/dev\x00') r3 = socket$inet6_sctp(0xa, 0x5, 0x84) bind$packet(0xffffffffffffffff, &(0x7f0000000140)={0x11, 0xf0, 0x0, 0x1, 0x0, 0x6, @multicast}, 0x14) sendto$inet6(r3, &(0x7f0000847fff)='X', 0x34000, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) 18:01:32 executing program 5: r0 = syz_open_dev$sndmidi(&(0x7f0000000040), 0x2, 0x141101) r1 = dup(r0) write$6lowpan_enable(r1, &(0x7f0000000000)='0', 0xfffffd2c) syz_open_procfs(0x0, &(0x7f0000000080)='net/dev\x00') r2 = socket$inet6_sctp(0xa, 0x5, 0x84) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r2, 0x84, 0x9, &(0x7f0000000580)={0x0, @in={{0x2, 0x0, @empty}}, 0x0, 0x0, 0x3fc, 0x0, 0x32}, 0x9c) bind$packet(0xffffffffffffffff, &(0x7f0000000140)={0x11, 0xf0, 0x0, 0x1, 0x0, 0x6, @multicast}, 0x14) sendto$inet6(r2, &(0x7f0000847fff)='X', 0x34000, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) 18:01:33 executing program 2: prctl$PR_SCHED_CORE(0x3e, 0x1, 0x0, 0x2, 0x0) r0 = syz_open_dev$sndmidi(&(0x7f0000000040), 0x2, 0x141101) r1 = dup(r0) write$6lowpan_enable(r1, &(0x7f0000000000)='0', 0xfffffd2c) r2 = getpid() syz_open_procfs(r2, &(0x7f0000000080)='net/dev\x00') r3 = socket$inet6_sctp(0xa, 0x5, 0x84) bind$packet(0xffffffffffffffff, &(0x7f0000000140)={0x11, 0xf0, 0x0, 0x1, 0x0, 0x6, @multicast}, 0x14) sendto$inet6(r3, &(0x7f0000847fff)='X', 0x34000, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) 18:01:33 executing program 1: prctl$PR_SCHED_CORE(0x3e, 0x0, 0x0, 0x2, 0x0) r0 = syz_open_dev$sndmidi(&(0x7f0000000040), 0x2, 0x141101) r1 = dup(r0) write$6lowpan_enable(r1, &(0x7f0000000000)='0', 0xfffffd2c) syz_open_procfs(0x0, &(0x7f0000000080)='net/dev\x00') r2 = socket$inet6_sctp(0xa, 0x5, 0x84) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r2, 0x84, 0x9, &(0x7f0000000580)={0x0, @in={{0x2, 0x0, @empty}}, 0x0, 0x0, 0x3fc, 0x0, 0x32}, 0x9c) bind$packet(0xffffffffffffffff, &(0x7f0000000140)={0x11, 0xf0, 0x0, 0x1, 0x0, 0x6, @multicast}, 0x14) sendto$inet6(r2, &(0x7f0000847fff)='X', 0x34000, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) 18:01:33 executing program 4: prctl$PR_SCHED_CORE(0x3e, 0x1, 0x0, 0x2, 0x0) r0 = syz_open_dev$sndmidi(&(0x7f0000000040), 0x2, 0x141101) r1 = dup(r0) write$6lowpan_enable(r1, &(0x7f0000000000)='0', 0xfffffd2c) r2 = getpid() syz_open_procfs(r2, &(0x7f0000000080)='net/dev\x00') r3 = socket$inet6_sctp(0xa, 0x5, 0x84) bind$packet(0xffffffffffffffff, &(0x7f0000000140)={0x11, 0xf0, 0x0, 0x1, 0x0, 0x6, @multicast}, 0x14) sendto$inet6(r3, &(0x7f0000847fff)='X', 0x34000, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) 18:01:33 executing program 3: prctl$PR_SCHED_CORE(0x3e, 0x1, 0x0, 0x2, 0x0) r0 = syz_open_dev$sndmidi(&(0x7f0000000040), 0x2, 0x141101) r1 = dup(r0) write$6lowpan_enable(r1, &(0x7f0000000000)='0', 0xfffffd2c) r2 = getpid() syz_open_procfs(r2, &(0x7f0000000080)='net/dev\x00') r3 = socket$inet6_sctp(0xa, 0x5, 0x84) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r3, 0x84, 0x9, &(0x7f0000000580)={0x0, @in={{0x2, 0x0, @empty}}, 0x0, 0x0, 0x3fc, 0x0, 0x32}, 0x9c) sendto$inet6(r3, &(0x7f0000847fff)='X', 0x34000, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) 18:01:33 executing program 0: prctl$PR_SCHED_CORE(0x3e, 0x1, 0x0, 0x2, 0x0) r0 = syz_open_dev$sndmidi(&(0x7f0000000040), 0x2, 0x141101) r1 = dup(r0) write$6lowpan_enable(r1, &(0x7f0000000000)='0', 0xfffffd2c) r2 = getpid() tkill(r2, 0x0) syz_open_procfs(r2, &(0x7f0000000080)='net/dev\x00') r3 = socket$inet6_sctp(0xa, 0x5, 0x84) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r3, 0x84, 0x9, &(0x7f0000000580)={0x0, @in={{0x2, 0x0, @empty}}, 0x0, 0x0, 0x3fc, 0x0, 0x32}, 0x9c) bind$inet6(r3, &(0x7f00004b8fe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) sendmsg$BATADV_CMD_GET_BLA_BACKBONE(0xffffffffffffffff, &(0x7f0000000240)={&(0x7f00000003c0)={0x10, 0x0, 0x0, 0x40000000}, 0xc, &(0x7f0000000580)={&(0x7f0000000ac0)=ANY=[@ANYBLOB="75b9609d35b13765f535640b1647adc8d4528d7dcb5ecd49ae55d43d3b97ecb1655aa6d8fee6b424e0505947a242cbd17bb07e95b202fc3c205cdbe6a8f96871306ae8b68ac958053ac4db38ca0dc66bbffd0930941f68eeb164059f458da7acaa5be83249f1180500a3884f69053123e3ce572b9b117c90fe0a17097d317242", @ANYRES32, @ANYRES64, @ANYRESOCT, @ANYBLOB="08003c0000080000ffa459f4d55ea7e660d27ca685e5ff2d0008000000080006003a47559364f7aad7844855eeb6e6d7b1e57d788f8dbacc87d90731e061160ba4f8e213ac52941d846cf53ab15299b9743f8bb0e6ea7725942d910a", @ANYRES16, @ANYRESOCT], 0x54}, 0x1, 0x0, 0x0, 0x4041}, 0x0) r4 = syz_mount_image$vfat(&(0x7f0000000900), &(0x7f0000000940)='./file0\x00', 0x200007, 0x3, &(0x7f0000000700)=[{&(0x7f0000000000)="eb3c906d8d6673fdd2617400028001000240000004f801", 0x17}, {&(0x7f0000001440)="57595a4b414c4c45522020085ac19f69b8f2b2b1ea1b86fe96df5eed1df1df001cc2de850f1fff00000000000000005effac2ac4c15e29fb3c18edfff8d198e312475ffa1d000000000000ad25822a17b17f463e104179c19c2a000000000000000031ddc0777df2ec4f62826086704d703da32c57364aed74cd748a178abcaf1180ad796d06c19dbfeab6d3ed941a1cacccf272186cd3ca10ff022a10965e82db34eb6d694a58a9989a416b163d4c4bc298081185914835b501f8a68095f4971f6ce1898a89338c7c085e24c6593256f2fc4816ce2f4ae05785f0098163b801f28941f7d343ae0400742251c5e613ce9f4ad9c503ee759c7f55cb947f59ac5de9570000000000002ea02a000082000000000000000000874b195ee473f8b2658fd172f402cab0e5937d227c0000000000000002385a2452e4b6f7b064f3fa05d359694f", 0x144, 0x601}, {0x0, 0x0, 0x5}], 0x800440, &(0x7f00000004c0)={[{@shortname_winnt}, {@fat=@gid}, {@iocharset={'iocharset', 0x3d, 'cp866'}}, {@fat=@fmask={'fmask', 0x3d, 0x1ff}}, {@rodir}, {@fat=@errors_remount}, {@shortname_win95}, {@uni_xlate}, {@uni_xlateno}, {@utf8}, {@uni_xlate}, {@utf8no}]}) sendmsg$IPSET_CMD_DEL(0xffffffffffffffff, &(0x7f0000000a80)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x200}, 0xc, &(0x7f0000000400)={&(0x7f00000008c0)=ANY=[@ANYRES64], 0x60}, 0x1, 0x0, 0x0, 0x8840}, 0x4040050) sendmsg$nl_route(0xffffffffffffffff, &(0x7f0000000980)={&(0x7f0000000440)={0x10, 0x0, 0x0, 0x10000000}, 0xc, &(0x7f0000000740)={&(0x7f0000000d00)=ANY=[@ANYBLOB="86f2407d8a204caf80b640e69a13fefeff6f0000042ba98cfcfccd470037369314427ebd70000000000000000000000000000000cdfb0fa21b95f8072c528f2858315775d7552e", @ANYRES32=0x0, @ANYBLOB="0c943d0559ff0600ff0000000c00018005000600c0000000100001800c00a03a03462081c7fc75d9ffffbf", @ANYRESDEC=r4, @ANYRES64], 0x40}, 0x1, 0x0, 0x0, 0x4008000}, 0x44040) bind$packet(0xffffffffffffffff, &(0x7f0000000140)={0x11, 0xf0, 0x0, 0x1, 0x0, 0x6, @multicast}, 0x14) close_range(0xffffffffffffffff, 0xffffffffffffffff, 0x2) sendto$inet6(r3, &(0x7f0000847fff)='X', 0x34000, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) 18:01:33 executing program 5: prctl$PR_SCHED_CORE(0x3e, 0x1, 0x0, 0x2, 0x0) r0 = syz_open_dev$sndmidi(&(0x7f0000000040), 0x2, 0x141101) r1 = dup(r0) write$6lowpan_enable(r1, &(0x7f0000000000)='0', 0xfffffd2c) r2 = getpid() tkill(r2, 0x0) syz_open_procfs(r2, &(0x7f0000000080)='net/dev\x00') r3 = socket$inet6_sctp(0xa, 0x5, 0x84) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r3, 0x84, 0x9, &(0x7f0000000580)={0x0, @in={{0x2, 0x0, @empty}}, 0x0, 0x0, 0x3fc, 0x0, 0x32}, 0x9c) bind$inet6(r3, &(0x7f00004b8fe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) sendmsg$BATADV_CMD_GET_BLA_BACKBONE(0xffffffffffffffff, &(0x7f0000000240)={&(0x7f00000003c0)={0x10, 0x0, 0x0, 0x40000000}, 0xc, &(0x7f0000000580)={&(0x7f0000000ac0)=ANY=[@ANYBLOB="75b9609d35b13765f535640b1647adc8d4528d7dcb5ecd49ae55d43d3b97ecb1655aa6d8fee6b424e0505947a242cbd17bb07e95b202fc3c205cdbe6a8f96871306ae8b68ac958053ac4db38ca0dc66bbffd0930941f68eeb164059f458da7acaa5be83249f1180500a3884f69053123e3ce572b9b117c90fe0a17097d317242", @ANYRES32, @ANYRES64, @ANYRESOCT, @ANYBLOB="08003c0000080000ffa459f4d55ea7e660d27ca685e5ff2d0008000000080006003a47559364f7aad7844855eeb6e6d7b1e57d788f8dbacc87d90731e061160ba4f8e213ac52941d846cf53ab15299b9743f8bb0e6ea7725942d910a", @ANYRES16, @ANYRESOCT], 0x54}, 0x1, 0x0, 0x0, 0x4041}, 0x0) r4 = syz_mount_image$vfat(&(0x7f0000000900), &(0x7f0000000940)='./file0\x00', 0x200007, 0x3, &(0x7f0000000700)=[{&(0x7f0000000000)="eb3c906d8d6673fdd2617400028001000240000004f801", 0x17}, {&(0x7f0000001440)="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", 0x144, 0x601}, {0x0, 0x0, 0x5}], 0x800440, &(0x7f00000004c0)={[{@shortname_winnt}, {@fat=@gid}, {@iocharset={'iocharset', 0x3d, 'cp866'}}, {@fat=@fmask={'fmask', 0x3d, 0x1ff}}, {@rodir}, {@fat=@errors_remount}, {@shortname_win95}, {@uni_xlate}, {@uni_xlateno}, {@utf8}, {@uni_xlate}, {@utf8no}]}) sendmsg$IPSET_CMD_DEL(0xffffffffffffffff, &(0x7f0000000a80)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x200}, 0xc, &(0x7f0000000400)={&(0x7f00000008c0)=ANY=[@ANYRES64], 0x60}, 0x1, 0x0, 0x0, 0x8840}, 0x4040050) sendmsg$nl_route(0xffffffffffffffff, &(0x7f0000000980)={&(0x7f0000000440)={0x10, 0x0, 0x0, 0x10000000}, 0xc, &(0x7f0000000740)={&(0x7f0000000d00)=ANY=[@ANYBLOB="86f2407d8a204caf80b640e69a13fefeff6f0000042ba98cfcfccd470037369314427ebd70000000000000000000000000000000cdfb0fa21b95f8072c528f2858315775d7552e", @ANYRES32=0x0, @ANYBLOB="0c943d0559ff0600ff0000000c00018005000600c0000000100001800c00a03a03462081c7fc75d9ffffbf", @ANYRESDEC=r4, @ANYRES64], 0x40}, 0x1, 0x0, 0x0, 0x4008000}, 0x44040) bind$packet(0xffffffffffffffff, &(0x7f0000000140)={0x11, 0xf0, 0x0, 0x1, 0x0, 0x6, @multicast}, 0x14) close_range(0xffffffffffffffff, 0xffffffffffffffff, 0x2) sendto$inet6(r3, &(0x7f0000847fff)='X', 0x34000, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) [ 743.344485][T11070] loop5: detected capacity change from 0 to 4096 18:01:34 executing program 1: prctl$PR_SCHED_CORE(0x3e, 0x0, 0x0, 0x2, 0x0) r0 = syz_open_dev$sndmidi(&(0x7f0000000040), 0x2, 0x141101) r1 = dup(r0) write$6lowpan_enable(r1, &(0x7f0000000000)='0', 0xfffffd2c) syz_open_procfs(0x0, &(0x7f0000000080)='net/dev\x00') r2 = socket$inet6_sctp(0xa, 0x5, 0x84) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r2, 0x84, 0x9, &(0x7f0000000580)={0x0, @in={{0x2, 0x0, @empty}}, 0x0, 0x0, 0x3fc, 0x0, 0x32}, 0x9c) bind$packet(0xffffffffffffffff, &(0x7f0000000140)={0x11, 0xf0, 0x0, 0x1, 0x0, 0x6, @multicast}, 0x14) sendto$inet6(r2, &(0x7f0000847fff)='X', 0x34000, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) 18:01:34 executing program 2: prctl$PR_SCHED_CORE(0x3e, 0x1, 0x0, 0x2, 0x0) r0 = syz_open_dev$sndmidi(&(0x7f0000000040), 0x2, 0x141101) r1 = dup(r0) write$6lowpan_enable(r1, &(0x7f0000000000)='0', 0xfffffd2c) r2 = getpid() syz_open_procfs(r2, &(0x7f0000000080)='net/dev\x00') setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(0xffffffffffffffff, 0x84, 0x9, &(0x7f0000000580)={0x0, @in={{0x2, 0x0, @empty}}, 0x0, 0x0, 0x3fc, 0x0, 0x32}, 0x9c) bind$packet(0xffffffffffffffff, &(0x7f0000000140)={0x11, 0xf0, 0x0, 0x1, 0x0, 0x6, @multicast}, 0x14) sendto$inet6(0xffffffffffffffff, &(0x7f0000847fff)='X', 0x34000, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) 18:01:34 executing program 0: prctl$PR_SCHED_CORE(0x3e, 0x1, 0x0, 0x2, 0x0) r0 = syz_open_dev$sndmidi(&(0x7f0000000040), 0x2, 0x141101) r1 = dup(r0) write$6lowpan_enable(r1, &(0x7f0000000000)='0', 0xfffffd2c) r2 = getpid() tkill(r2, 0x0) syz_open_procfs(r2, &(0x7f0000000080)='net/dev\x00') r3 = socket$inet6_sctp(0xa, 0x5, 0x84) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r3, 0x84, 0x9, &(0x7f0000000580)={0x0, @in={{0x2, 0x0, @empty}}, 0x0, 0x0, 0x3fc, 0x0, 0x32}, 0x9c) bind$inet6(r3, &(0x7f00004b8fe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) sendmsg$BATADV_CMD_GET_BLA_BACKBONE(0xffffffffffffffff, &(0x7f0000000240)={&(0x7f00000003c0)={0x10, 0x0, 0x0, 0x40000000}, 0xc, &(0x7f0000000580)={&(0x7f0000000ac0)=ANY=[@ANYBLOB="75b9609d35b13765f535640b1647adc8d4528d7dcb5ecd49ae55d43d3b97ecb1655aa6d8fee6b424e0505947a242cbd17bb07e95b202fc3c205cdbe6a8f96871306ae8b68ac958053ac4db38ca0dc66bbffd0930941f68eeb164059f458da7acaa5be83249f1180500a3884f69053123e3ce572b9b117c90fe0a17097d317242", @ANYRES32, @ANYRES64, @ANYRESOCT, @ANYBLOB="08003c0000080000ffa459f4d55ea7e660d27ca685e5ff2d0008000000080006003a47559364f7aad7844855eeb6e6d7b1e57d788f8dbacc87d90731e061160ba4f8e213ac52941d846cf53ab15299b9743f8bb0e6ea7725942d910a", @ANYRES16, @ANYRESOCT], 0x54}, 0x1, 0x0, 0x0, 0x4041}, 0x0) r4 = syz_mount_image$vfat(&(0x7f0000000900), &(0x7f0000000940)='./file0\x00', 0x200007, 0x3, &(0x7f0000000700)=[{&(0x7f0000000000)="eb3c906d8d6673fdd2617400028001000240000004f801", 0x17}, {&(0x7f0000001440)="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", 0x144, 0x601}, {0x0, 0x0, 0x5}], 0x800440, &(0x7f00000004c0)={[{@shortname_winnt}, {@fat=@gid}, {@iocharset={'iocharset', 0x3d, 'cp866'}}, {@fat=@fmask={'fmask', 0x3d, 0x1ff}}, {@rodir}, {@fat=@errors_remount}, {@shortname_win95}, {@uni_xlate}, {@uni_xlateno}, {@utf8}, {@uni_xlate}, {@utf8no}]}) sendmsg$IPSET_CMD_DEL(0xffffffffffffffff, &(0x7f0000000a80)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x200}, 0xc, &(0x7f0000000400)={&(0x7f00000008c0)=ANY=[@ANYRES64], 0x60}, 0x1, 0x0, 0x0, 0x8840}, 0x4040050) sendmsg$nl_route(0xffffffffffffffff, &(0x7f0000000980)={&(0x7f0000000440)={0x10, 0x0, 0x0, 0x10000000}, 0xc, &(0x7f0000000740)={&(0x7f0000000d00)=ANY=[@ANYBLOB="86f2407d8a204caf80b640e69a13fefeff6f0000042ba98cfcfccd470037369314427ebd70000000000000000000000000000000cdfb0fa21b95f8072c528f2858315775d7552e", @ANYRES32=0x0, @ANYBLOB="0c943d0559ff0600ff0000000c00018005000600c0000000100001800c00a03a03462081c7fc75d9ffffbf", @ANYRESDEC=r4, @ANYRES64], 0x40}, 0x1, 0x0, 0x0, 0x4008000}, 0x44040) bind$packet(0xffffffffffffffff, &(0x7f0000000140)={0x11, 0xf0, 0x0, 0x1, 0x0, 0x6, @multicast}, 0x14) close_range(0xffffffffffffffff, 0xffffffffffffffff, 0x2) sendto$inet6(r3, &(0x7f0000847fff)='X', 0x34000, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) 18:01:34 executing program 5: prctl$PR_SCHED_CORE(0x3e, 0x1, 0x0, 0x2, 0x0) r0 = syz_open_dev$sndmidi(&(0x7f0000000040), 0x2, 0x141101) r1 = dup(r0) write$6lowpan_enable(r1, &(0x7f0000000000)='0', 0xfffffd2c) r2 = getpid() tkill(r2, 0x0) syz_open_procfs(r2, &(0x7f0000000080)='net/dev\x00') r3 = socket$inet6_sctp(0xa, 0x5, 0x84) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r3, 0x84, 0x9, &(0x7f0000000580)={0x0, @in={{0x2, 0x0, @empty}}, 0x0, 0x0, 0x3fc, 0x0, 0x32}, 0x9c) bind$inet6(r3, &(0x7f00004b8fe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) sendmsg$BATADV_CMD_GET_BLA_BACKBONE(0xffffffffffffffff, &(0x7f0000000240)={&(0x7f00000003c0)={0x10, 0x0, 0x0, 0x40000000}, 0xc, &(0x7f0000000580)={&(0x7f0000000ac0)=ANY=[@ANYBLOB="75b9609d35b13765f535640b1647adc8d4528d7dcb5ecd49ae55d43d3b97ecb1655aa6d8fee6b424e0505947a242cbd17bb07e95b202fc3c205cdbe6a8f96871306ae8b68ac958053ac4db38ca0dc66bbffd0930941f68eeb164059f458da7acaa5be83249f1180500a3884f69053123e3ce572b9b117c90fe0a17097d317242", @ANYRES32, @ANYRES64, @ANYRESOCT, @ANYBLOB="08003c0000080000ffa459f4d55ea7e660d27ca685e5ff2d0008000000080006003a47559364f7aad7844855eeb6e6d7b1e57d788f8dbacc87d90731e061160ba4f8e213ac52941d846cf53ab15299b9743f8bb0e6ea7725942d910a", @ANYRES16, @ANYRESOCT], 0x54}, 0x1, 0x0, 0x0, 0x4041}, 0x0) r4 = syz_mount_image$vfat(&(0x7f0000000900), &(0x7f0000000940)='./file0\x00', 0x200007, 0x3, &(0x7f0000000700)=[{&(0x7f0000000000)="eb3c906d8d6673fdd2617400028001000240000004f801", 0x17}, {&(0x7f0000001440)="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", 0x144, 0x601}, {0x0, 0x0, 0x5}], 0x800440, &(0x7f00000004c0)={[{@shortname_winnt}, {@fat=@gid}, {@iocharset={'iocharset', 0x3d, 'cp866'}}, {@fat=@fmask={'fmask', 0x3d, 0x1ff}}, {@rodir}, {@fat=@errors_remount}, {@shortname_win95}, {@uni_xlate}, {@uni_xlateno}, {@utf8}, {@uni_xlate}, {@utf8no}]}) sendmsg$IPSET_CMD_DEL(0xffffffffffffffff, &(0x7f0000000a80)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x200}, 0xc, &(0x7f0000000400)={&(0x7f00000008c0)=ANY=[@ANYRES64], 0x60}, 0x1, 0x0, 0x0, 0x8840}, 0x4040050) sendmsg$nl_route(0xffffffffffffffff, &(0x7f0000000980)={&(0x7f0000000440)={0x10, 0x0, 0x0, 0x10000000}, 0xc, &(0x7f0000000740)={&(0x7f0000000d00)=ANY=[@ANYBLOB="86f2407d8a204caf80b640e69a13fefeff6f0000042ba98cfcfccd470037369314427ebd70000000000000000000000000000000cdfb0fa21b95f8072c528f2858315775d7552e", @ANYRES32=0x0, @ANYBLOB="0c943d0559ff0600ff0000000c00018005000600c0000000100001800c00a03a03462081c7fc75d9ffffbf", @ANYRESDEC=r4, @ANYRES64], 0x40}, 0x1, 0x0, 0x0, 0x4008000}, 0x44040) bind$packet(0xffffffffffffffff, &(0x7f0000000140)={0x11, 0xf0, 0x0, 0x1, 0x0, 0x6, @multicast}, 0x14) close_range(0xffffffffffffffff, 0xffffffffffffffff, 0x2) sendto$inet6(r3, &(0x7f0000847fff)='X', 0x34000, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) 18:01:34 executing program 4: prctl$PR_SCHED_CORE(0x3e, 0x1, 0x0, 0x2, 0x0) r0 = syz_open_dev$sndmidi(&(0x7f0000000040), 0x2, 0x141101) r1 = dup(r0) write$6lowpan_enable(r1, &(0x7f0000000000)='0', 0xfffffd2c) r2 = getpid() syz_open_procfs(r2, &(0x7f0000000080)='net/dev\x00') r3 = socket$inet6_sctp(0xa, 0x5, 0x84) bind$packet(0xffffffffffffffff, &(0x7f0000000140)={0x11, 0xf0, 0x0, 0x1, 0x0, 0x6, @multicast}, 0x14) sendto$inet6(r3, &(0x7f0000847fff)='X', 0x34000, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) 18:01:34 executing program 3: prctl$PR_SCHED_CORE(0x3e, 0x0, 0x0, 0x2, 0x0) r0 = syz_open_dev$sndmidi(&(0x7f0000000040), 0x2, 0x141101) r1 = dup(r0) write$6lowpan_enable(r1, &(0x7f0000000000)='0', 0xfffffd2c) syz_open_procfs(0x0, &(0x7f0000000080)='net/dev\x00') r2 = socket$inet6_sctp(0xa, 0x5, 0x84) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r2, 0x84, 0x9, &(0x7f0000000580)={0x0, @in={{0x2, 0x0, @empty}}, 0x0, 0x0, 0x3fc, 0x0, 0x32}, 0x9c) bind$packet(0xffffffffffffffff, &(0x7f0000000140)={0x11, 0xf0, 0x0, 0x1, 0x0, 0x6, @multicast}, 0x14) sendto$inet6(r2, &(0x7f0000847fff)='X', 0x34000, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) [ 744.499741][T11089] loop5: detected capacity change from 0 to 4096 18:01:35 executing program 1: prctl$PR_SCHED_CORE(0x3e, 0x1, 0x0, 0x0, 0x0) r0 = syz_open_dev$sndmidi(&(0x7f0000000040), 0x2, 0x141101) r1 = dup(r0) write$6lowpan_enable(r1, &(0x7f0000000000)='0', 0xfffffd2c) syz_open_procfs(0x0, &(0x7f0000000080)='net/dev\x00') r2 = socket$inet6_sctp(0xa, 0x5, 0x84) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r2, 0x84, 0x9, &(0x7f0000000580)={0x0, @in={{0x2, 0x0, @empty}}, 0x0, 0x0, 0x3fc, 0x0, 0x32}, 0x9c) bind$packet(0xffffffffffffffff, &(0x7f0000000140)={0x11, 0xf0, 0x0, 0x1, 0x0, 0x6, @multicast}, 0x14) sendto$inet6(r2, &(0x7f0000847fff)='X', 0x34000, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) 18:01:35 executing program 2: prctl$PR_SCHED_CORE(0x3e, 0x1, 0x0, 0x2, 0x0) r0 = syz_open_dev$sndmidi(&(0x7f0000000040), 0x2, 0x141101) r1 = dup(r0) write$6lowpan_enable(r1, &(0x7f0000000000)='0', 0xfffffd2c) r2 = getpid() syz_open_procfs(r2, &(0x7f0000000080)='net/dev\x00') setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(0xffffffffffffffff, 0x84, 0x9, &(0x7f0000000580)={0x0, @in={{0x2, 0x0, @empty}}, 0x0, 0x0, 0x3fc, 0x0, 0x32}, 0x9c) bind$packet(0xffffffffffffffff, &(0x7f0000000140)={0x11, 0xf0, 0x0, 0x1, 0x0, 0x6, @multicast}, 0x14) sendto$inet6(0xffffffffffffffff, &(0x7f0000847fff)='X', 0x34000, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) 18:01:35 executing program 5: r0 = syz_mount_image$vfat(&(0x7f0000000900), &(0x7f0000000940)='./file0\x00', 0x200007, 0x2, &(0x7f0000000700)=[{&(0x7f0000000000)="eb3c906d8d6673fdd2617400028001000240000004f801", 0x17}, {&(0x7f0000001440)="57595a4b414c4c45522020085ac19f69b8f2b2b1ea1b86fe96df5eed1df1df001cc2de850f1fff00000000000000005effac2ac4c15e29fb3c18edfff8d198e312475ffa1d000000000000ad25822a17b17f463e104179c19c2a000000000000000031ddc0777df2ec4f62826086704d703da32c57364aed74cd748a178abcaf1180ad796d06c19dbfeab6d3ed941a1cacccf272186cd3ca10ff022a10965e82db34", 0xa2, 0x601}], 0x800440, &(0x7f00000004c0)={[{@shortname_winnt}, {@fat=@gid}, {@iocharset={'iocharset', 0x3d, 'cp866'}}, {@fat=@fmask={'fmask', 0x3d, 0x1ff}}, {@rodir}, {@fat=@errors_remount}, {@shortname_win95}, {@uni_xlate}, {@uni_xlateno}, {@utf8}, {@uni_xlate}, {@utf8no}]}) mknodat$loop(r0, &(0x7f0000000000)='./file0\x00', 0x100, 0x0) 18:01:35 executing program 0: prctl$PR_SCHED_CORE(0x3e, 0x1, 0x0, 0x2, 0x0) r0 = syz_open_dev$sndmidi(&(0x7f0000000040), 0x2, 0x141101) r1 = dup(r0) write$6lowpan_enable(r1, &(0x7f0000000000)='0', 0xfffffd2c) r2 = getpid() tkill(r2, 0x0) syz_open_procfs(r2, &(0x7f0000000080)='net/dev\x00') r3 = socket$inet6_sctp(0xa, 0x5, 0x84) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r3, 0x84, 0x9, &(0x7f0000000580)={0x0, @in={{0x2, 0x0, @empty}}, 0x0, 0x0, 0x3fc, 0x0, 0x32}, 0x9c) bind$inet6(r3, &(0x7f00004b8fe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) sendmsg$BATADV_CMD_GET_BLA_BACKBONE(0xffffffffffffffff, &(0x7f0000000240)={&(0x7f00000003c0)={0x10, 0x0, 0x0, 0x40000000}, 0xc, &(0x7f0000000580)={&(0x7f0000000ac0)=ANY=[@ANYBLOB="75b9609d35b13765f535640b1647adc8d4528d7dcb5ecd49ae55d43d3b97ecb1655aa6d8fee6b424e0505947a242cbd17bb07e95b202fc3c205cdbe6a8f96871306ae8b68ac958053ac4db38ca0dc66bbffd0930941f68eeb164059f458da7acaa5be83249f1180500a3884f69053123e3ce572b9b117c90fe0a17097d317242", @ANYRES32, @ANYRES64, @ANYRESOCT, @ANYBLOB="08003c0000080000ffa459f4d55ea7e660d27ca685e5ff2d0008000000080006003a47559364f7aad7844855eeb6e6d7b1e57d788f8dbacc87d90731e061160ba4f8e213ac52941d846cf53ab15299b9743f8bb0e6ea7725942d910a", @ANYRES16, @ANYRESOCT], 0x54}, 0x1, 0x0, 0x0, 0x4041}, 0x0) r4 = syz_mount_image$vfat(&(0x7f0000000900), &(0x7f0000000940)='./file0\x00', 0x200007, 0x3, &(0x7f0000000700)=[{&(0x7f0000000000)="eb3c906d8d6673fdd2617400028001000240000004f801", 0x17}, {&(0x7f0000001440)="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", 0x144, 0x601}, {0x0, 0x0, 0x5}], 0x800440, &(0x7f00000004c0)={[{@shortname_winnt}, {@fat=@gid}, {@iocharset={'iocharset', 0x3d, 'cp866'}}, {@fat=@fmask={'fmask', 0x3d, 0x1ff}}, {@rodir}, {@fat=@errors_remount}, {@shortname_win95}, {@uni_xlate}, {@uni_xlateno}, {@utf8}, {@uni_xlate}, {@utf8no}]}) sendmsg$IPSET_CMD_DEL(0xffffffffffffffff, &(0x7f0000000a80)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x200}, 0xc, &(0x7f0000000400)={&(0x7f00000008c0)=ANY=[@ANYRES64], 0x60}, 0x1, 0x0, 0x0, 0x8840}, 0x4040050) sendmsg$nl_route(0xffffffffffffffff, &(0x7f0000000980)={&(0x7f0000000440)={0x10, 0x0, 0x0, 0x10000000}, 0xc, &(0x7f0000000740)={&(0x7f0000000d00)=ANY=[@ANYBLOB="86f2407d8a204caf80b640e69a13fefeff6f0000042ba98cfcfccd470037369314427ebd70000000000000000000000000000000cdfb0fa21b95f8072c528f2858315775d7552e", @ANYRES32=0x0, @ANYBLOB="0c943d0559ff0600ff0000000c00018005000600c0000000100001800c00a03a03462081c7fc75d9ffffbf", @ANYRESDEC=r4, @ANYRES64], 0x40}, 0x1, 0x0, 0x0, 0x4008000}, 0x44040) bind$packet(0xffffffffffffffff, &(0x7f0000000140)={0x11, 0xf0, 0x0, 0x1, 0x0, 0x6, @multicast}, 0x14) close_range(0xffffffffffffffff, 0xffffffffffffffff, 0x2) sendto$inet6(r3, &(0x7f0000847fff)='X', 0x34000, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) [ 745.440559][T11101] loop5: detected capacity change from 0 to 4096 [ 745.441595][T10795] I/O error, dev loop5, sector 0 op 0x0:(READ) flags 0x0 phys_seg 1 prio class 2 [ 745.529785][T10795] Buffer I/O error on dev loop5, logical block 0, async page read 18:01:35 executing program 4: prlimit64(0x0, 0xe, &(0x7f0000000140)={0x8, 0x8b}, 0x0) sched_setscheduler(0x0, 0x2, &(0x7f0000000080)=0x8) getpid() getpid() socketpair$unix(0x1, 0x2, 0x0, &(0x7f0000000200)={0xffffffffffffffff, 0xffffffffffffffff}) connect$unix(r0, &(0x7f000057eff8)=@abs, 0x6e) sendmmsg$unix(r1, &(0x7f00000bd000), 0x318, 0x0) recvmmsg(r0, &(0x7f00000000c0), 0x10106, 0x2, 0x0) r2 = openat$loop_ctrl(0xffffff9c, &(0x7f0000000040), 0x0, 0x0) sendmmsg(r1, &(0x7f0000000fc0)=[{{&(0x7f0000000240)=@l2tp={0x2, 0x0, @loopback, 0x1}, 0x80, 0x0, 0x2b}}, {{0x0, 0x0, 0x0}}], 0x2, 0x440c4) r3 = getpid() tkill(r3, 0x0) sched_setaffinity(r3, 0x8, &(0x7f0000000000)=0x96f) ioctl$LOOP_CTL_ADD(r2, 0x4c80, 0x0) ioctl$LOOP_CTL_REMOVE(r2, 0x4c81, 0x0) [ 745.578518][T10795] I/O error, dev loop5, sector 0 op 0x0:(READ) flags 0x0 phys_seg 1 prio class 2 [ 745.659122][T10795] Buffer I/O error on dev loop5, logical block 0, async page read [ 745.771746][T10795] loop5: unable to read partition table 18:01:35 executing program 3: prctl$PR_SCHED_CORE(0x3e, 0x0, 0x0, 0x2, 0x0) r0 = syz_open_dev$sndmidi(&(0x7f0000000040), 0x2, 0x141101) r1 = dup(r0) write$6lowpan_enable(r1, &(0x7f0000000000)='0', 0xfffffd2c) syz_open_procfs(0x0, &(0x7f0000000080)='net/dev\x00') r2 = socket$inet6_sctp(0xa, 0x5, 0x84) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r2, 0x84, 0x9, &(0x7f0000000580)={0x0, @in={{0x2, 0x0, @empty}}, 0x0, 0x0, 0x3fc, 0x0, 0x32}, 0x9c) bind$packet(0xffffffffffffffff, &(0x7f0000000140)={0x11, 0xf0, 0x0, 0x1, 0x0, 0x6, @multicast}, 0x14) sendto$inet6(r2, &(0x7f0000847fff)='X', 0x34000, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) 18:01:35 executing program 5: prctl$PR_SCHED_CORE(0x3e, 0x1, 0x0, 0x2, 0x0) r0 = syz_open_dev$sndmidi(&(0x7f0000000040), 0x2, 0x141101) r1 = dup(r0) write$6lowpan_enable(r1, &(0x7f0000000000)='0', 0xfffffd2c) r2 = getpid() tkill(r2, 0x0) syz_open_procfs(r2, &(0x7f0000000080)='net/dev\x00') r3 = socket$inet6_sctp(0xa, 0x5, 0x84) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r3, 0x84, 0x9, &(0x7f0000000580)={0x0, @in={{0x2, 0x0, @empty}}, 0x0, 0x0, 0x3fc, 0x0, 0x32}, 0x9c) bind$inet6(r3, &(0x7f00004b8fe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) sendmsg$BATADV_CMD_GET_BLA_BACKBONE(0xffffffffffffffff, &(0x7f0000000240)={&(0x7f00000003c0)={0x10, 0x0, 0x0, 0x40000000}, 0xc, &(0x7f0000000580)={&(0x7f0000000ac0)=ANY=[@ANYBLOB="75b9609d35b13765f535640b1647adc8d4528d7dcb5ecd49ae55d43d3b97ecb1655aa6d8fee6b424e0505947a242cbd17bb07e95b202fc3c205cdbe6a8f96871306ae8b68ac958053ac4db38ca0dc66bbffd0930941f68eeb164059f458da7acaa5be83249f1180500a3884f69053123e3ce572b9b117c90fe0a17097d317242", @ANYRES32, @ANYRES64, @ANYRESOCT, @ANYBLOB="08003c0000080000ffa459f4d55ea7e660d27ca685e5ff2d0008000000080006003a47559364f7aad7844855eeb6e6d7b1e57d788f8dbacc87d90731e061160ba4f8e213ac52941d846cf53ab15299b9743f8bb0e6ea7725942d910a", @ANYRES16, @ANYRESOCT], 0x54}, 0x1, 0x0, 0x0, 0x4041}, 0x0) r4 = syz_mount_image$vfat(&(0x7f0000000900), &(0x7f0000000940)='./file0\x00', 0x200007, 0x3, &(0x7f0000000700)=[{&(0x7f0000000000)="eb3c906d8d6673fdd2617400028001000240000004f801", 0x17}, {&(0x7f0000001440)="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", 0x144, 0x601}, {0x0, 0x0, 0x5}], 0x800440, &(0x7f00000004c0)={[{@shortname_winnt}, {@fat=@gid}, {@iocharset={'iocharset', 0x3d, 'cp866'}}, {@fat=@fmask={'fmask', 0x3d, 0x1ff}}, {@rodir}, {@fat=@errors_remount}, {@shortname_win95}, {@uni_xlate}, {@uni_xlateno}, {@utf8}, {@uni_xlate}, {@utf8no}]}) sendmsg$IPSET_CMD_DEL(0xffffffffffffffff, &(0x7f0000000a80)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x200}, 0xc, &(0x7f0000000400)={&(0x7f00000008c0)=ANY=[@ANYRES64], 0x60}, 0x1, 0x0, 0x0, 0x8840}, 0x4040050) sendmsg$nl_route(0xffffffffffffffff, &(0x7f0000000980)={&(0x7f0000000440)={0x10, 0x0, 0x0, 0x10000000}, 0xc, &(0x7f0000000740)={&(0x7f0000000d00)=ANY=[@ANYBLOB="86f2407d8a204caf80b640e69a13fefeff6f0000042ba98cfcfccd470037369314427ebd70000000000000000000000000000000cdfb0fa21b95f8072c528f2858315775d7552e", @ANYRES32=0x0, @ANYBLOB="0c943d0559ff0600ff0000000c00018005000600c0000000100001800c00a03a03462081c7fc75d9ffffbf", @ANYRESDEC=r4, @ANYRES64], 0x40}, 0x1, 0x0, 0x0, 0x4008000}, 0x44040) sendmsg$DEVLINK_CMD_TRAP_POLICER_GET(0xffffffffffffffff, &(0x7f0000000780)={&(0x7f0000000480)={0x10, 0x0, 0x0, 0x1000}, 0xc, &(0x7f0000000680)={&(0x7f0000000f40)=ANY=[@ANYBLOB="dd82fa64e3415dc226d3ac622a8239db19850e5d1f97ad157d6e4d3b4b1eb09bbca07c99827fb7c132f6ded2b0753747f344067fa51608045c50c82cae8b9d8c5f9f", @ANYRESHEX, @ANYBLOB="000129bd7000fcdbdf35450900000001006e657464657673696d0000000f0002006e65746465ffffffffffffffff008e0001000000080029210ffe70f74135c6c84e95f601007063690011000200303030303a300008008e0000000000080001007063690011000200303030303a30303a31302e300000000408001700a1a628523064156e9f9c48c438c3489ada27a5332186e0618640bae922d4a91285d89e0cf8a2ec5e1bd9978ab6f6864f227aefb818605bb5faa903f2e69df3d3f06c95224bfd42e23b13a9b0ecf7e26eec4ccacef0f496c155b78af42fc33ec2a7e500"/233, @ANYRES16=r4, @ANYRESDEC, @ANYRESOCT, @ANYRES8], 0x84}, 0x1, 0x0, 0x0, 0x85}, 0x40000) bind$packet(0xffffffffffffffff, &(0x7f0000000140)={0x11, 0xf0, 0x0, 0x1, 0x0, 0x6, @multicast}, 0x14) close_range(0xffffffffffffffff, 0xffffffffffffffff, 0x2) sendto$inet6(r3, &(0x7f0000847fff)='X', 0x34000, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) 18:01:36 executing program 1: prctl$PR_SCHED_CORE(0x3e, 0x1, 0x0, 0x0, 0x0) r0 = syz_open_dev$sndmidi(&(0x7f0000000040), 0x2, 0x141101) r1 = dup(r0) write$6lowpan_enable(r1, &(0x7f0000000000)='0', 0xfffffd2c) syz_open_procfs(0x0, &(0x7f0000000080)='net/dev\x00') r2 = socket$inet6_sctp(0xa, 0x5, 0x84) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r2, 0x84, 0x9, &(0x7f0000000580)={0x0, @in={{0x2, 0x0, @empty}}, 0x0, 0x0, 0x3fc, 0x0, 0x32}, 0x9c) bind$packet(0xffffffffffffffff, &(0x7f0000000140)={0x11, 0xf0, 0x0, 0x1, 0x0, 0x6, @multicast}, 0x14) sendto$inet6(r2, &(0x7f0000847fff)='X', 0x34000, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) [ 746.180517][T11117] loop5: detected capacity change from 0 to 4096 18:01:36 executing program 2: prctl$PR_SCHED_CORE(0x3e, 0x1, 0x0, 0x2, 0x0) r0 = syz_open_dev$sndmidi(&(0x7f0000000040), 0x2, 0x141101) r1 = dup(r0) write$6lowpan_enable(r1, &(0x7f0000000000)='0', 0xfffffd2c) r2 = getpid() syz_open_procfs(r2, &(0x7f0000000080)='net/dev\x00') setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(0xffffffffffffffff, 0x84, 0x9, &(0x7f0000000580)={0x0, @in={{0x2, 0x0, @empty}}, 0x0, 0x0, 0x3fc, 0x0, 0x32}, 0x9c) bind$packet(0xffffffffffffffff, &(0x7f0000000140)={0x11, 0xf0, 0x0, 0x1, 0x0, 0x6, @multicast}, 0x14) sendto$inet6(0xffffffffffffffff, &(0x7f0000847fff)='X', 0x34000, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) [ 746.394900][ T1229] ieee802154 phy0 wpan0: encryption failed: -22 [ 746.401193][ T1229] ieee802154 phy1 wpan1: encryption failed: -22 18:01:36 executing program 0: r0 = syz_mount_image$vfat(&(0x7f0000000900), &(0x7f0000000940)='./file0\x00', 0x200007, 0x2, &(0x7f0000000700)=[{&(0x7f0000000000)="eb3c906d8d6673fdd2617400028001000240000004f801", 0x17}, {&(0x7f0000001440), 0x0, 0x601}], 0x800440, &(0x7f00000004c0)={[{@shortname_winnt}, {@fat=@gid}, {@iocharset={'iocharset', 0x3d, 'cp866'}}, {@fat=@fmask={'fmask', 0x3d, 0x1ff}}, {@rodir}, {@fat=@errors_remount}, {@shortname_win95}, {@uni_xlate}, {@uni_xlateno}, {@utf8}, {@uni_xlate}, {@utf8no}]}) mknodat$loop(r0, &(0x7f0000000000)='./file0\x00', 0x100, 0x0) 18:01:36 executing program 0: ioctl$SNDRV_CTL_IOCTL_RAWMIDI_NEXT_DEVICE(0xffffffffffffffff, 0xc1205531, 0xfffffffffffffffc) syz_genetlink_get_family_id$devlink(0x0, 0xffffffffffffffff) r0 = syz_mount_image$vfat(&(0x7f0000000900), &(0x7f0000000940)='./file0\x00', 0x200007, 0x2, &(0x7f0000000700)=[{&(0x7f0000000000)="eb3c906d8d6673fdd2617400028001000240000004f801", 0x17}, {&(0x7f0000001440)="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", 0x13a, 0x601}], 0x800440, &(0x7f00000004c0)={[{@shortname_winnt}, {@fat=@gid}, {@iocharset={'iocharset', 0x3d, 'cp866'}}, {@fat=@fmask={'fmask', 0x3d, 0x1ff}}, {@rodir}, {@fat=@errors_remount}, {@shortname_win95}, {@uni_xlate}, {@uni_xlateno}, {@utf8}, {@uni_xlate}, {@utf8no}]}) mknodat$loop(r0, &(0x7f0000000000)='./file0\x00', 0x100, 0x0) [ 746.790255][T11125] loop0: detected capacity change from 0 to 4096 [ 746.949299][T11127] loop0: detected capacity change from 0 to 4096 [ 746.965811][T10795] I/O error, dev loop0, sector 0 op 0x0:(READ) flags 0x0 phys_seg 1 prio class 2 [ 747.053362][T10795] Buffer I/O error on dev loop0, logical block 0, async page read 18:01:37 executing program 1: prctl$PR_SCHED_CORE(0x3e, 0x1, 0x0, 0x0, 0x0) r0 = syz_open_dev$sndmidi(&(0x7f0000000040), 0x2, 0x141101) r1 = dup(r0) write$6lowpan_enable(r1, &(0x7f0000000000)='0', 0xfffffd2c) syz_open_procfs(0x0, &(0x7f0000000080)='net/dev\x00') r2 = socket$inet6_sctp(0xa, 0x5, 0x84) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r2, 0x84, 0x9, &(0x7f0000000580)={0x0, @in={{0x2, 0x0, @empty}}, 0x0, 0x0, 0x3fc, 0x0, 0x32}, 0x9c) bind$packet(0xffffffffffffffff, &(0x7f0000000140)={0x11, 0xf0, 0x0, 0x1, 0x0, 0x6, @multicast}, 0x14) sendto$inet6(r2, &(0x7f0000847fff)='X', 0x34000, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) [ 747.134557][T10795] loop0: unable to read partition table 18:01:37 executing program 0: prctl$PR_SCHED_CORE(0x3e, 0x1, 0x0, 0x0, 0x0) r0 = syz_open_dev$sndmidi(&(0x7f0000000040), 0x2, 0x141101) r1 = dup(r0) write$6lowpan_enable(r1, &(0x7f0000000000)='0', 0xfffffd2c) syz_open_procfs(0x0, &(0x7f0000000080)='net/dev\x00') r2 = socket$inet6_sctp(0xa, 0x5, 0x84) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r2, 0x84, 0x9, &(0x7f0000000580)={0x0, @in={{0x2, 0x0, @empty}}, 0x0, 0x0, 0x3fc, 0x0, 0x32}, 0x9c) bind$packet(0xffffffffffffffff, &(0x7f0000000140)={0x11, 0xf0, 0x0, 0x1, 0x0, 0x6, @multicast}, 0x14) sendto$inet6(r2, &(0x7f0000847fff)='X', 0x34000, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) 18:01:37 executing program 3: prctl$PR_SCHED_CORE(0x3e, 0x0, 0x0, 0x2, 0x0) r0 = syz_open_dev$sndmidi(&(0x7f0000000040), 0x2, 0x141101) r1 = dup(r0) write$6lowpan_enable(r1, &(0x7f0000000000)='0', 0xfffffd2c) syz_open_procfs(0x0, &(0x7f0000000080)='net/dev\x00') r2 = socket$inet6_sctp(0xa, 0x5, 0x84) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r2, 0x84, 0x9, &(0x7f0000000580)={0x0, @in={{0x2, 0x0, @empty}}, 0x0, 0x0, 0x3fc, 0x0, 0x32}, 0x9c) bind$packet(0xffffffffffffffff, &(0x7f0000000140)={0x11, 0xf0, 0x0, 0x1, 0x0, 0x6, @multicast}, 0x14) sendto$inet6(r2, &(0x7f0000847fff)='X', 0x34000, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) 18:01:37 executing program 2: prctl$PR_SCHED_CORE(0x3e, 0x1, 0x0, 0x2, 0x0) r0 = syz_open_dev$sndmidi(&(0x7f0000000040), 0x2, 0x141101) r1 = dup(r0) write$6lowpan_enable(r1, &(0x7f0000000000)='0', 0xfffffd2c) getpid() r2 = socket$inet6_sctp(0xa, 0x5, 0x84) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r2, 0x84, 0x9, &(0x7f0000000580)={0x0, @in={{0x2, 0x0, @empty}}, 0x0, 0x0, 0x3fc, 0x0, 0x32}, 0x9c) bind$packet(0xffffffffffffffff, &(0x7f0000000140)={0x11, 0xf0, 0x0, 0x1, 0x0, 0x6, @multicast}, 0x14) sendto$inet6(r2, &(0x7f0000847fff)='X', 0x34000, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) 18:01:37 executing program 5: prctl$PR_SCHED_CORE(0x3e, 0x1, 0x0, 0x2, 0x0) r0 = syz_open_dev$sndmidi(&(0x7f0000000040), 0x2, 0x141101) r1 = dup(r0) write$6lowpan_enable(r1, &(0x7f0000000000)='0', 0xfffffd2c) r2 = getpid() syz_open_procfs(r2, &(0x7f0000000080)='net/dev\x00') setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(0xffffffffffffffff, 0x84, 0x9, &(0x7f0000000580)={0x0, @in={{0x2, 0x0, @empty}}, 0x0, 0x0, 0x3fc, 0x0, 0x32}, 0x9c) bind$packet(0xffffffffffffffff, &(0x7f0000000140)={0x11, 0xf0, 0x0, 0x1, 0x0, 0x6, @multicast}, 0x14) sendto$inet6(0xffffffffffffffff, &(0x7f0000847fff)='X', 0x34000, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) 18:01:38 executing program 4: ioctl$SNDRV_CTL_IOCTL_RAWMIDI_NEXT_DEVICE(0xffffffffffffffff, 0xc1205531, 0xfffffffffffffffc) syz_genetlink_get_family_id$devlink(0x0, 0xffffffffffffffff) r0 = syz_mount_image$vfat(&(0x7f0000000900), &(0x7f0000000940)='./file0\x00', 0x200007, 0x2, &(0x7f0000000700)=[{&(0x7f0000000000)="eb3c906d8d6673fdd2617400028001000240000004f801", 0x17}, {&(0x7f0000001440)="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", 0x13a, 0x601}], 0x800440, &(0x7f00000004c0)={[{@shortname_winnt}, {@fat=@gid}, {@iocharset={'iocharset', 0x3d, 'cp866'}}, {@fat=@fmask={'fmask', 0x3d, 0x1ff}}, {@rodir}, {@fat=@errors_remount}, {@shortname_win95}, {@uni_xlate}, {@uni_xlateno}, {@utf8}, {@uni_xlate}, {@utf8no}]}) mknodat$loop(r0, &(0x7f0000000000)='./file0\x00', 0x100, 0x0) 18:01:38 executing program 1: prctl$PR_SCHED_CORE(0x3e, 0x1, 0x0, 0x2, 0x0) r0 = syz_open_dev$sndmidi(0x0, 0x2, 0x141101) r1 = dup(r0) write$6lowpan_enable(r1, &(0x7f0000000000)='0', 0xfffffd2c) syz_open_procfs(0x0, &(0x7f0000000080)='net/dev\x00') r2 = socket$inet6_sctp(0xa, 0x5, 0x84) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r2, 0x84, 0x9, &(0x7f0000000580)={0x0, @in={{0x2, 0x0, @empty}}, 0x0, 0x0, 0x3fc, 0x0, 0x32}, 0x9c) bind$packet(0xffffffffffffffff, &(0x7f0000000140)={0x11, 0xf0, 0x0, 0x1, 0x0, 0x6, @multicast}, 0x14) sendto$inet6(r2, &(0x7f0000847fff)='X', 0x34000, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) 18:01:38 executing program 2: prctl$PR_SCHED_CORE(0x3e, 0x1, 0x0, 0x2, 0x0) r0 = syz_open_dev$sndmidi(&(0x7f0000000040), 0x2, 0x141101) r1 = dup(r0) write$6lowpan_enable(r1, &(0x7f0000000000)='0', 0xfffffd2c) getpid() r2 = socket$inet6_sctp(0xa, 0x5, 0x84) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r2, 0x84, 0x9, &(0x7f0000000580)={0x0, @in={{0x2, 0x0, @empty}}, 0x0, 0x0, 0x3fc, 0x0, 0x32}, 0x9c) bind$packet(0xffffffffffffffff, &(0x7f0000000140)={0x11, 0xf0, 0x0, 0x1, 0x0, 0x6, @multicast}, 0x14) sendto$inet6(r2, &(0x7f0000847fff)='X', 0x34000, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) 18:01:38 executing program 0: prctl$PR_SCHED_CORE(0x3e, 0x1, 0x0, 0x2, 0x0) r0 = syz_open_dev$sndmidi(&(0x7f0000000040), 0x2, 0x141101) r1 = dup(r0) write$6lowpan_enable(r1, &(0x7f0000000000)='0', 0xfffffd2c) getpid() r2 = socket$inet6_sctp(0xa, 0x5, 0x84) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r2, 0x84, 0x9, &(0x7f0000000580)={0x0, @in={{0x2, 0x0, @empty}}, 0x0, 0x0, 0x3fc, 0x0, 0x32}, 0x9c) bind$packet(0xffffffffffffffff, &(0x7f0000000140)={0x11, 0xf0, 0x0, 0x1, 0x0, 0x6, @multicast}, 0x14) sendto$inet6(r2, &(0x7f0000847fff)='X', 0x34000, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) 18:01:38 executing program 3: prctl$PR_SCHED_CORE(0x3e, 0x1, 0x0, 0x0, 0x0) r0 = syz_open_dev$sndmidi(&(0x7f0000000040), 0x2, 0x141101) r1 = dup(r0) write$6lowpan_enable(r1, &(0x7f0000000000)='0', 0xfffffd2c) syz_open_procfs(0x0, &(0x7f0000000080)='net/dev\x00') r2 = socket$inet6_sctp(0xa, 0x5, 0x84) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r2, 0x84, 0x9, &(0x7f0000000580)={0x0, @in={{0x2, 0x0, @empty}}, 0x0, 0x0, 0x3fc, 0x0, 0x32}, 0x9c) bind$packet(0xffffffffffffffff, &(0x7f0000000140)={0x11, 0xf0, 0x0, 0x1, 0x0, 0x6, @multicast}, 0x14) sendto$inet6(r2, &(0x7f0000847fff)='X', 0x34000, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) [ 748.805709][T11153] loop4: detected capacity change from 0 to 4096 18:01:38 executing program 1: prctl$PR_SCHED_CORE(0x3e, 0x1, 0x0, 0x2, 0x0) r0 = syz_open_dev$sndmidi(0x0, 0x2, 0x141101) r1 = dup(r0) write$6lowpan_enable(r1, &(0x7f0000000000)='0', 0xfffffd2c) syz_open_procfs(0x0, &(0x7f0000000080)='net/dev\x00') r2 = socket$inet6_sctp(0xa, 0x5, 0x84) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r2, 0x84, 0x9, &(0x7f0000000580)={0x0, @in={{0x2, 0x0, @empty}}, 0x0, 0x0, 0x3fc, 0x0, 0x32}, 0x9c) bind$packet(0xffffffffffffffff, &(0x7f0000000140)={0x11, 0xf0, 0x0, 0x1, 0x0, 0x6, @multicast}, 0x14) sendto$inet6(r2, &(0x7f0000847fff)='X', 0x34000, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) 18:01:38 executing program 5: prctl$PR_SCHED_CORE(0x3e, 0x1, 0x0, 0x2, 0x0) r0 = syz_open_dev$sndmidi(0x0, 0x2, 0x141101) r1 = dup(r0) write$6lowpan_enable(r1, &(0x7f0000000000)='0', 0xfffffd2c) syz_open_procfs(0x0, &(0x7f0000000080)='net/dev\x00') r2 = socket$inet6_sctp(0xa, 0x5, 0x84) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r2, 0x84, 0x9, &(0x7f0000000580)={0x0, @in={{0x2, 0x0, @empty}}, 0x0, 0x0, 0x3fc, 0x0, 0x32}, 0x9c) bind$packet(0xffffffffffffffff, &(0x7f0000000140)={0x11, 0xf0, 0x0, 0x1, 0x0, 0x6, @multicast}, 0x14) sendto$inet6(r2, &(0x7f0000847fff)='X', 0x34000, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) 18:01:38 executing program 4: ioctl$SNDRV_CTL_IOCTL_RAWMIDI_NEXT_DEVICE(0xffffffffffffffff, 0xc1205531, 0xfffffffffffffffc) syz_genetlink_get_family_id$devlink(0x0, 0xffffffffffffffff) r0 = syz_mount_image$vfat(&(0x7f0000000900), &(0x7f0000000940)='./file0\x00', 0x200007, 0x2, &(0x7f0000000700)=[{&(0x7f0000000000)="eb3c906d8d6673fdd2617400028001000240000004f801", 0x17}, {&(0x7f0000001440)="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", 0x13a, 0x601}], 0x800440, &(0x7f00000004c0)={[{@shortname_winnt}, {@fat=@gid}, {@iocharset={'iocharset', 0x3d, 'cp866'}}, {@fat=@fmask={'fmask', 0x3d, 0x1ff}}, {@rodir}, {@fat=@errors_remount}, {@shortname_win95}, {@uni_xlate}, {@uni_xlateno}, {@utf8}, {@uni_xlate}, {@utf8no}]}) mknodat$loop(r0, &(0x7f0000000000)='./file0\x00', 0x100, 0x0) 18:01:39 executing program 1: prctl$PR_SCHED_CORE(0x3e, 0x1, 0x0, 0x2, 0x0) r0 = syz_open_dev$sndmidi(0x0, 0x2, 0x141101) r1 = dup(r0) write$6lowpan_enable(r1, &(0x7f0000000000)='0', 0xfffffd2c) syz_open_procfs(0x0, &(0x7f0000000080)='net/dev\x00') r2 = socket$inet6_sctp(0xa, 0x5, 0x84) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r2, 0x84, 0x9, &(0x7f0000000580)={0x0, @in={{0x2, 0x0, @empty}}, 0x0, 0x0, 0x3fc, 0x0, 0x32}, 0x9c) bind$packet(0xffffffffffffffff, &(0x7f0000000140)={0x11, 0xf0, 0x0, 0x1, 0x0, 0x6, @multicast}, 0x14) sendto$inet6(r2, &(0x7f0000847fff)='X', 0x34000, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) [ 749.118218][T11163] loop4: detected capacity change from 0 to 4096 18:01:39 executing program 5: prctl$PR_SCHED_CORE(0x3e, 0x1, 0x0, 0x2, 0x0) r0 = syz_open_dev$sndmidi(0x0, 0x2, 0x141101) r1 = dup(r0) write$6lowpan_enable(r1, &(0x7f0000000000)='0', 0xfffffd2c) syz_open_procfs(0x0, &(0x7f0000000080)='net/dev\x00') r2 = socket$inet6_sctp(0xa, 0x5, 0x84) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r2, 0x84, 0x9, &(0x7f0000000580)={0x0, @in={{0x2, 0x0, @empty}}, 0x0, 0x0, 0x3fc, 0x0, 0x32}, 0x9c) bind$packet(0xffffffffffffffff, &(0x7f0000000140)={0x11, 0xf0, 0x0, 0x1, 0x0, 0x6, @multicast}, 0x14) sendto$inet6(r2, &(0x7f0000847fff)='X', 0x34000, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) 18:01:39 executing program 4: ioctl$SNDRV_CTL_IOCTL_RAWMIDI_NEXT_DEVICE(0xffffffffffffffff, 0xc1205531, 0xfffffffffffffffc) syz_genetlink_get_family_id$devlink(0x0, 0xffffffffffffffff) r0 = syz_mount_image$vfat(&(0x7f0000000900), &(0x7f0000000940)='./file0\x00', 0x200007, 0x2, &(0x7f0000000700)=[{&(0x7f0000000000)="eb3c906d8d6673fdd2617400028001000240000004f801", 0x17}, {&(0x7f0000001440)="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", 0x13a, 0x601}], 0x800440, &(0x7f00000004c0)={[{@shortname_winnt}, {@fat=@gid}, {@iocharset={'iocharset', 0x3d, 'cp866'}}, {@fat=@fmask={'fmask', 0x3d, 0x1ff}}, {@rodir}, {@fat=@errors_remount}, {@shortname_win95}, {@uni_xlate}, {@uni_xlateno}, {@utf8}, {@uni_xlate}, {@utf8no}]}) mknodat$loop(r0, &(0x7f0000000000)='./file0\x00', 0x100, 0x0) 18:01:39 executing program 1: prctl$PR_SCHED_CORE(0x3e, 0x1, 0x0, 0x2, 0x0) r0 = syz_open_dev$sndmidi(&(0x7f0000000040), 0x0, 0x141101) r1 = dup(r0) write$6lowpan_enable(r1, &(0x7f0000000000)='0', 0xfffffd2c) syz_open_procfs(0x0, &(0x7f0000000080)='net/dev\x00') r2 = socket$inet6_sctp(0xa, 0x5, 0x84) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r2, 0x84, 0x9, &(0x7f0000000580)={0x0, @in={{0x2, 0x0, @empty}}, 0x0, 0x0, 0x3fc, 0x0, 0x32}, 0x9c) bind$packet(0xffffffffffffffff, &(0x7f0000000140)={0x11, 0xf0, 0x0, 0x1, 0x0, 0x6, @multicast}, 0x14) sendto$inet6(r2, &(0x7f0000847fff)='X', 0x34000, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) [ 749.420866][T11169] loop4: detected capacity change from 0 to 4096 18:01:39 executing program 5: r0 = syz_mount_image$vfat(&(0x7f0000000900), &(0x7f0000000940)='./file0\x00', 0x200007, 0x2, &(0x7f0000000700)=[{&(0x7f0000000000)="eb3c906d8d6673fdd2617400028001000240000004f801", 0x17}, {0x0, 0x0, 0x601}], 0x800440, &(0x7f00000004c0)={[{@shortname_winnt}, {@fat=@gid}, {@iocharset={'iocharset', 0x3d, 'cp866'}}, {@fat=@fmask={'fmask', 0x3d, 0x1ff}}, {@rodir}, {@fat=@errors_remount}, {@shortname_win95}, {@uni_xlate}, {@uni_xlateno}, {@utf8}, {@uni_xlate}, {@utf8no}]}) mknodat$loop(r0, &(0x7f0000000000)='./file0\x00', 0x100, 0x0) 18:01:39 executing program 2: prctl$PR_SCHED_CORE(0x3e, 0x1, 0x0, 0x2, 0x0) r0 = syz_open_dev$sndmidi(&(0x7f0000000040), 0x2, 0x141101) r1 = dup(r0) write$6lowpan_enable(r1, &(0x7f0000000000)='0', 0xfffffd2c) getpid() r2 = socket$inet6_sctp(0xa, 0x5, 0x84) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r2, 0x84, 0x9, &(0x7f0000000580)={0x0, @in={{0x2, 0x0, @empty}}, 0x0, 0x0, 0x3fc, 0x0, 0x32}, 0x9c) bind$packet(0xffffffffffffffff, &(0x7f0000000140)={0x11, 0xf0, 0x0, 0x1, 0x0, 0x6, @multicast}, 0x14) sendto$inet6(r2, &(0x7f0000847fff)='X', 0x34000, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) 18:01:39 executing program 1: prctl$PR_SCHED_CORE(0x3e, 0x1, 0x0, 0x2, 0x0) r0 = syz_open_dev$sndmidi(&(0x7f0000000040), 0x0, 0x141101) r1 = dup(r0) write$6lowpan_enable(r1, &(0x7f0000000000)='0', 0xfffffd2c) syz_open_procfs(0x0, &(0x7f0000000080)='net/dev\x00') r2 = socket$inet6_sctp(0xa, 0x5, 0x84) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r2, 0x84, 0x9, &(0x7f0000000580)={0x0, @in={{0x2, 0x0, @empty}}, 0x0, 0x0, 0x3fc, 0x0, 0x32}, 0x9c) bind$packet(0xffffffffffffffff, &(0x7f0000000140)={0x11, 0xf0, 0x0, 0x1, 0x0, 0x6, @multicast}, 0x14) sendto$inet6(r2, &(0x7f0000847fff)='X', 0x34000, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) [ 749.594021][T11174] loop5: detected capacity change from 0 to 4096 18:01:39 executing program 4: prctl$PR_SCHED_CORE(0x3e, 0x1, 0x0, 0x2, 0x0) r0 = syz_open_dev$sndmidi(&(0x7f0000000040), 0x0, 0x141101) r1 = dup(r0) write$6lowpan_enable(r1, &(0x7f0000000000)='0', 0xfffffd2c) syz_open_procfs(0x0, &(0x7f0000000080)='net/dev\x00') r2 = socket$inet6_sctp(0xa, 0x5, 0x84) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r2, 0x84, 0x9, &(0x7f0000000580)={0x0, @in={{0x2, 0x0, @empty}}, 0x0, 0x0, 0x3fc, 0x0, 0x32}, 0x9c) bind$packet(0xffffffffffffffff, &(0x7f0000000140)={0x11, 0xf0, 0x0, 0x1, 0x0, 0x6, @multicast}, 0x14) sendto$inet6(r2, &(0x7f0000847fff)='X', 0x34000, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) 18:01:39 executing program 3: prctl$PR_SCHED_CORE(0x3e, 0x1, 0x0, 0x2, 0x0) r0 = syz_open_dev$sndmidi(&(0x7f0000000040), 0x2, 0x141101) r1 = dup(r0) write$6lowpan_enable(r1, &(0x7f0000000000)='0', 0xfffffd2c) getpid() r2 = socket$inet6_sctp(0xa, 0x5, 0x84) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r2, 0x84, 0x9, &(0x7f0000000580)={0x0, @in={{0x2, 0x0, @empty}}, 0x0, 0x0, 0x3fc, 0x0, 0x32}, 0x9c) bind$packet(0xffffffffffffffff, &(0x7f0000000140)={0x11, 0xf0, 0x0, 0x1, 0x0, 0x6, @multicast}, 0x14) sendto$inet6(r2, &(0x7f0000847fff)='X', 0x34000, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) 18:01:39 executing program 5: prctl$PR_SCHED_CORE(0x3e, 0x1, 0x0, 0x2, 0x0) r0 = syz_open_dev$sndmidi(&(0x7f0000000040), 0x2, 0x141101) r1 = dup(r0) write$6lowpan_enable(r1, &(0x7f0000000000)='0', 0xfffffd2c) r2 = getpid() tkill(r2, 0x0) syz_open_procfs(r2, &(0x7f0000000080)='net/dev\x00') r3 = socket$inet6_sctp(0xa, 0x5, 0x84) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r3, 0x84, 0x9, &(0x7f0000000580)={0x0, @in={{0x2, 0x0, @empty}}, 0x0, 0x0, 0x3fc, 0x0, 0x32}, 0x9c) bind$inet6(r3, &(0x7f00004b8fe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) sendmsg$BATADV_CMD_GET_BLA_BACKBONE(0xffffffffffffffff, &(0x7f0000000240)={&(0x7f00000003c0)={0x10, 0x0, 0x0, 0x40000000}, 0xc, &(0x7f0000000580)={&(0x7f0000000ac0)=ANY=[@ANYBLOB="75b9609d35b13765f535640b1647adc8d4528d7dcb5ecd49ae55d43d3b97ecb1655aa6d8fee6b424e0505947a242cbd17bb07e95b202fc3c205cdbe6a8f96871306ae8b68ac958053ac4db38ca0dc66bbffd0930941f68eeb164059f458da7acaa5be83249f1180500a3884f69053123e3ce572b9b117c90fe0a17097d317242", @ANYRES32, @ANYRES64, @ANYRESOCT, @ANYBLOB="08003c0000080000ffa459f4d55ea7e660d27ca685e5ff2d0008000000080006003a47559364f7aad7844855eeb6e6d7b1e57d788f8dbacc87d90731e061160ba4f8e213ac52941d846cf53ab15299b9743f8bb0e6ea7725942d910a", @ANYRES16, @ANYRESOCT], 0x54}, 0x1, 0x0, 0x0, 0x4041}, 0x0) r4 = syz_mount_image$vfat(&(0x7f0000000900), &(0x7f0000000940)='./file0\x00', 0x200007, 0x3, &(0x7f0000000700)=[{&(0x7f0000000000)="eb3c906d8d6673fdd2617400028001000240000004f801", 0x17}, {&(0x7f0000001440)="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", 0x144, 0x601}, {0x0, 0x0, 0x5}], 0x800440, &(0x7f00000004c0)={[{@shortname_winnt}, {@fat=@gid}, {@iocharset={'iocharset', 0x3d, 'cp866'}}, {@fat=@fmask={'fmask', 0x3d, 0x1ff}}, {@rodir}, {@fat=@errors_remount}, {@shortname_win95}, {@uni_xlate}, {@uni_xlateno}, {@utf8}, {@uni_xlate}, {@utf8no}]}) sendmsg$IPSET_CMD_DEL(0xffffffffffffffff, &(0x7f0000000a80)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x200}, 0xc, &(0x7f0000000400)={&(0x7f00000008c0)=ANY=[@ANYRES64], 0x60}, 0x1, 0x0, 0x0, 0x8840}, 0x4040050) sendmsg$nl_route(0xffffffffffffffff, &(0x7f0000000980)={&(0x7f0000000440)={0x10, 0x0, 0x0, 0x10000000}, 0xc, &(0x7f0000000740)={&(0x7f0000000d00)=ANY=[@ANYBLOB="86f2407d8a204caf80b640e69a13fefeff6f0000042ba98cfcfccd470037369314427ebd70000000000000000000000000000000cdfb0fa21b95f8072c528f2858315775d7552e", @ANYRES32=0x0, @ANYBLOB="0c943d0559ff0600ff0000000c00018005000600c0000000100001800c00a03a03462081c7fc75d9ffffbf", @ANYRESDEC=r4, @ANYRES64], 0x40}, 0x1, 0x0, 0x0, 0x4008000}, 0x44040) sendmsg$DEVLINK_CMD_TRAP_POLICER_GET(0xffffffffffffffff, &(0x7f0000000780)={&(0x7f0000000480)={0x10, 0x0, 0x0, 0x1000}, 0xc, &(0x7f0000000680)={&(0x7f0000000f40)=ANY=[@ANYBLOB="dd82fa64e3415dc226d3ac622a8239db19850e5d1f97ad157d6e4d3b4b1eb09bbca07c99827fb7c132f6ded2b0753747f344067fa51608045c50c82cae8b9d8c5f9f", @ANYRESHEX, @ANYBLOB="000129bd7000fcdbdf35450900000001006e657464657673696d0000000f0002006e65746465ffffffffffffffff008e0001000000080029210ffe70f74135c6c84e95f601007063690011000200303030303a300008008e0000000000080001007063690011000200303030303a30303a31302e300000000408001700a1a628523064156e9f9c48c438c3489ada27a5332186e0618640bae922d4a91285d89e0cf8a2ec5e1bd9978ab6f6864f227aefb818605bb5faa903f2e69df3d3f06c95224bfd42e23b13a9b0ecf7e26eec4ccacef0f496c155b78af42fc33ec2a7e500"/233, @ANYRES16=r4, @ANYRESDEC, @ANYRESOCT, @ANYRES8], 0x84}, 0x1, 0x0, 0x0, 0x85}, 0x40000) bind$packet(0xffffffffffffffff, &(0x7f0000000140)={0x11, 0xf0, 0x0, 0x1, 0x0, 0x6, @multicast}, 0x14) close_range(0xffffffffffffffff, 0xffffffffffffffff, 0x2) sendto$inet6(r3, &(0x7f0000847fff)='X', 0x34000, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) 18:01:39 executing program 0: prctl$PR_SCHED_CORE(0x3e, 0x1, 0x0, 0x2, 0x0) r0 = syz_open_dev$sndmidi(&(0x7f0000000040), 0x2, 0x141101) r1 = dup(r0) write$6lowpan_enable(r1, &(0x7f0000000000)='0', 0xfffffd2c) r2 = getpid() tkill(r2, 0x0) syz_open_procfs(r2, &(0x7f0000000080)='net/dev\x00') r3 = socket$inet6_sctp(0xa, 0x5, 0x84) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r3, 0x84, 0x9, &(0x7f0000000580)={0x0, @in={{0x2, 0x0, @empty}}, 0x0, 0x0, 0x3fc, 0x0, 0x32}, 0x9c) bind$inet6(r3, &(0x7f00004b8fe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) sendmsg$BATADV_CMD_GET_BLA_BACKBONE(0xffffffffffffffff, &(0x7f0000000240)={&(0x7f00000003c0)={0x10, 0x0, 0x0, 0x40000000}, 0xc, &(0x7f0000000580)={&(0x7f0000000ac0)=ANY=[@ANYBLOB="75b9609d35b13765f535640b1647adc8d4528d7dcb5ecd49ae55d43d3b97ecb1655aa6d8fee6b424e0505947a242cbd17bb07e95b202fc3c205cdbe6a8f96871306ae8b68ac958053ac4db38ca0dc66bbffd0930941f68eeb164059f458da7acaa5be83249f1180500a3884f69053123e3ce572b9b117c90fe0a17097d317242", @ANYRES32, @ANYRES64, @ANYRESOCT, @ANYBLOB="08003c0000080000ffa459f4d55ea7e660d27ca685e5ff2d0008000000080006003a47559364f7aad7844855eeb6e6d7b1e57d788f8dbacc87d90731e061160ba4f8e213ac52941d846cf53ab15299b9743f8bb0e6ea7725942d910a", @ANYRES16, @ANYRESOCT], 0x54}, 0x1, 0x0, 0x0, 0x4041}, 0x0) r4 = syz_mount_image$vfat(&(0x7f0000000900), &(0x7f0000000940)='./file0\x00', 0x200007, 0x3, &(0x7f0000000700)=[{&(0x7f0000000000)="eb3c906d8d6673fdd2617400028001000240000004f801", 0x17}, {&(0x7f0000001440)="57595a4b414c4c45522020085ac19f69b8f2b2b1ea1b86fe96df5eed1df1df001cc2de850f1fff00000000000000005effac2ac4c15e29fb3c18edfff8d198e312475ffa1d000000000000ad25822a17b17f463e104179c19c2a000000000000000031ddc0777df2ec4f62826086704d703da32c57364aed74cd748a178abcaf1180ad796d06c19dbfeab6d3ed941a1cacccf272186cd3ca10ff022a10965e82db34eb6d694a58a9989a416b163d4c4bc298081185914835b501f8a68095f4971f6ce1898a89338c7c085e24c6593256f2fc4816ce2f4ae05785f0098163b801f28941f7d343ae0400742251c5e613ce9f4ad9c503ee759c7f55cb947f59ac5de9570000000000002ea02a000082000000000000000000874b195ee473f8b2658fd172f402cab0e5937d227c0000000000000002385a2452e4b6f7b064f3fa05d359694f", 0x144, 0x601}, {0x0, 0x0, 0x5}], 0x800440, &(0x7f00000004c0)={[{@shortname_winnt}, {@fat=@gid}, {@iocharset={'iocharset', 0x3d, 'cp866'}}, {@fat=@fmask={'fmask', 0x3d, 0x1ff}}, {@rodir}, {@fat=@errors_remount}, {@shortname_win95}, {@uni_xlate}, {@uni_xlateno}, {@utf8}, {@uni_xlate}, {@utf8no}]}) sendmsg$IPSET_CMD_DEL(0xffffffffffffffff, &(0x7f0000000a80)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x200}, 0xc, &(0x7f0000000400)={&(0x7f00000008c0)=ANY=[@ANYRES64], 0x60}, 0x1, 0x0, 0x0, 0x8840}, 0x4040050) sendmsg$nl_route(0xffffffffffffffff, &(0x7f0000000980)={&(0x7f0000000440)={0x10, 0x0, 0x0, 0x10000000}, 0xc, &(0x7f0000000740)={&(0x7f0000000d00)=ANY=[@ANYBLOB="86f2407d8a204caf80b640e69a13fefeff6f0000042ba98cfcfccd470037369314427ebd70000000000000000000000000000000cdfb0fa21b95f8072c528f2858315775d7552e", @ANYRES32=0x0, @ANYBLOB="0c943d0559ff0600ff0000000c00018005000600c0000000100001800c00a03a03462081c7fc75d9ffffbf", @ANYRESDEC=r4, @ANYRES64], 0x40}, 0x1, 0x0, 0x0, 0x4008000}, 0x44040) sendmsg$DEVLINK_CMD_TRAP_POLICER_GET(0xffffffffffffffff, &(0x7f0000000780)={&(0x7f0000000480)={0x10, 0x0, 0x0, 0x1000}, 0xc, &(0x7f0000000680)={&(0x7f0000000f40)=ANY=[@ANYBLOB="dd82fa64e3415dc226d3ac622a8239db19850e5d1f97ad157d6e4d3b4b1eb09bbca07c99827fb7c132f6ded2b0753747f344067fa51608045c50c82cae8b9d8c5f9f", @ANYRESHEX, @ANYBLOB="000129bd7000fcdbdf35450900000001006e657464657673696d0000000f0002006e65746465ffffffffffffffff008e0001000000080029210ffe70f74135c6c84e95f601007063690011000200303030303a300008008e0000000000080001007063690011000200303030303a30303a31302e300000000408001700a1a628523064156e9f9c48c438c3489ada27a5332186e0618640bae922d4a91285d89e0cf8a2ec5e1bd9978ab6f6864f227aefb818605bb5faa903f2e69df3d3f06c95224bfd42e23b13a9b0ecf7e26eec4ccacef0f496c155b78af42fc33ec2a7e500"/233, @ANYRES16=r4, @ANYRESDEC, @ANYRESOCT, @ANYRES8], 0x84}, 0x1, 0x0, 0x0, 0x85}, 0x40000) bind$packet(0xffffffffffffffff, &(0x7f0000000140)={0x11, 0xf0, 0x0, 0x1, 0x0, 0x6, @multicast}, 0x14) close_range(0xffffffffffffffff, 0xffffffffffffffff, 0x2) sendto$inet6(r3, &(0x7f0000847fff)='X', 0x34000, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) 18:01:39 executing program 1: prctl$PR_SCHED_CORE(0x3e, 0x1, 0x0, 0x2, 0x0) r0 = syz_open_dev$sndmidi(&(0x7f0000000040), 0x0, 0x141101) r1 = dup(r0) write$6lowpan_enable(r1, &(0x7f0000000000)='0', 0xfffffd2c) syz_open_procfs(0x0, &(0x7f0000000080)='net/dev\x00') r2 = socket$inet6_sctp(0xa, 0x5, 0x84) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r2, 0x84, 0x9, &(0x7f0000000580)={0x0, @in={{0x2, 0x0, @empty}}, 0x0, 0x0, 0x3fc, 0x0, 0x32}, 0x9c) bind$packet(0xffffffffffffffff, &(0x7f0000000140)={0x11, 0xf0, 0x0, 0x1, 0x0, 0x6, @multicast}, 0x14) sendto$inet6(r2, &(0x7f0000847fff)='X', 0x34000, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) [ 749.960718][T11188] loop5: detected capacity change from 0 to 4096 18:01:40 executing program 4: prctl$PR_SCHED_CORE(0x3e, 0x1, 0x0, 0x2, 0x0) r0 = syz_open_dev$sndmidi(&(0x7f0000000040), 0x0, 0x141101) r1 = dup(r0) write$6lowpan_enable(r1, &(0x7f0000000000)='0', 0xfffffd2c) syz_open_procfs(0x0, &(0x7f0000000080)='net/dev\x00') r2 = socket$inet6_sctp(0xa, 0x5, 0x84) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r2, 0x84, 0x9, &(0x7f0000000580)={0x0, @in={{0x2, 0x0, @empty}}, 0x0, 0x0, 0x3fc, 0x0, 0x32}, 0x9c) bind$packet(0xffffffffffffffff, &(0x7f0000000140)={0x11, 0xf0, 0x0, 0x1, 0x0, 0x6, @multicast}, 0x14) sendto$inet6(r2, &(0x7f0000847fff)='X', 0x34000, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) [ 750.090677][T11190] loop0: detected capacity change from 0 to 4096 18:01:40 executing program 1: prctl$PR_SCHED_CORE(0x3e, 0x1, 0x0, 0x2, 0x0) r0 = syz_open_dev$sndmidi(&(0x7f0000000040), 0x2, 0x0) r1 = dup(r0) write$6lowpan_enable(r1, &(0x7f0000000000)='0', 0xfffffd2c) syz_open_procfs(0x0, &(0x7f0000000080)='net/dev\x00') r2 = socket$inet6_sctp(0xa, 0x5, 0x84) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r2, 0x84, 0x9, &(0x7f0000000580)={0x0, @in={{0x2, 0x0, @empty}}, 0x0, 0x0, 0x3fc, 0x0, 0x32}, 0x9c) bind$packet(0xffffffffffffffff, &(0x7f0000000140)={0x11, 0xf0, 0x0, 0x1, 0x0, 0x6, @multicast}, 0x14) sendto$inet6(r2, &(0x7f0000847fff)='X', 0x34000, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) 18:01:40 executing program 4: prctl$PR_SCHED_CORE(0x3e, 0x1, 0x0, 0x2, 0x0) r0 = syz_open_dev$sndmidi(&(0x7f0000000040), 0x0, 0x141101) r1 = dup(r0) write$6lowpan_enable(r1, &(0x7f0000000000)='0', 0xfffffd2c) syz_open_procfs(0x0, &(0x7f0000000080)='net/dev\x00') r2 = socket$inet6_sctp(0xa, 0x5, 0x84) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r2, 0x84, 0x9, &(0x7f0000000580)={0x0, @in={{0x2, 0x0, @empty}}, 0x0, 0x0, 0x3fc, 0x0, 0x32}, 0x9c) bind$packet(0xffffffffffffffff, &(0x7f0000000140)={0x11, 0xf0, 0x0, 0x1, 0x0, 0x6, @multicast}, 0x14) sendto$inet6(r2, &(0x7f0000847fff)='X', 0x34000, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) 18:01:40 executing program 1: prctl$PR_SCHED_CORE(0x3e, 0x1, 0x0, 0x2, 0x0) r0 = syz_open_dev$sndmidi(&(0x7f0000000040), 0x2, 0x0) r1 = dup(r0) write$6lowpan_enable(r1, &(0x7f0000000000)='0', 0xfffffd2c) syz_open_procfs(0x0, &(0x7f0000000080)='net/dev\x00') r2 = socket$inet6_sctp(0xa, 0x5, 0x84) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r2, 0x84, 0x9, &(0x7f0000000580)={0x0, @in={{0x2, 0x0, @empty}}, 0x0, 0x0, 0x3fc, 0x0, 0x32}, 0x9c) bind$packet(0xffffffffffffffff, &(0x7f0000000140)={0x11, 0xf0, 0x0, 0x1, 0x0, 0x6, @multicast}, 0x14) sendto$inet6(r2, &(0x7f0000847fff)='X', 0x34000, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) 18:01:40 executing program 2: prctl$PR_SCHED_CORE(0x3e, 0x1, 0x0, 0x2, 0x0) r0 = syz_open_dev$sndmidi(&(0x7f0000000040), 0x2, 0x141101) r1 = dup(r0) write$6lowpan_enable(r1, &(0x7f0000000000)='0', 0xfffffd2c) syz_open_procfs(0x0, &(0x7f0000000080)='net/dev\x00') r2 = socket$inet6_sctp(0xa, 0x5, 0x84) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r2, 0x84, 0x9, &(0x7f0000000580)={0x0, @in={{0x2, 0x0, @empty}}, 0x0, 0x0, 0x3fc, 0x0, 0x32}, 0x9c) bind$packet(0xffffffffffffffff, &(0x7f0000000140)={0x11, 0xf0, 0x0, 0x1, 0x0, 0x6, @multicast}, 0x14) sendto$inet6(r2, &(0x7f0000847fff)='X', 0x34000, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) 18:01:40 executing program 4: prctl$PR_SCHED_CORE(0x3e, 0x1, 0x0, 0x2, 0x0) r0 = syz_open_dev$sndmidi(&(0x7f0000000040), 0x2, 0x141101) r1 = dup(r0) write$6lowpan_enable(r1, &(0x7f0000000000)='0', 0xfffffd2c) getpid() r2 = socket$inet6_sctp(0xa, 0x5, 0x84) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r2, 0x84, 0x9, &(0x7f0000000580)={0x0, @in={{0x2, 0x0, @empty}}, 0x0, 0x0, 0x3fc, 0x0, 0x32}, 0x9c) bind$packet(0xffffffffffffffff, &(0x7f0000000140)={0x11, 0xf0, 0x0, 0x1, 0x0, 0x6, @multicast}, 0x14) sendto$inet6(r2, &(0x7f0000847fff)='X', 0x34000, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) 18:01:40 executing program 1: prctl$PR_SCHED_CORE(0x3e, 0x1, 0x0, 0x2, 0x0) r0 = syz_open_dev$sndmidi(&(0x7f0000000040), 0x2, 0x0) r1 = dup(r0) write$6lowpan_enable(r1, &(0x7f0000000000)='0', 0xfffffd2c) syz_open_procfs(0x0, &(0x7f0000000080)='net/dev\x00') r2 = socket$inet6_sctp(0xa, 0x5, 0x84) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r2, 0x84, 0x9, &(0x7f0000000580)={0x0, @in={{0x2, 0x0, @empty}}, 0x0, 0x0, 0x3fc, 0x0, 0x32}, 0x9c) bind$packet(0xffffffffffffffff, &(0x7f0000000140)={0x11, 0xf0, 0x0, 0x1, 0x0, 0x6, @multicast}, 0x14) sendto$inet6(r2, &(0x7f0000847fff)='X', 0x34000, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) 18:01:41 executing program 5: prctl$PR_SCHED_CORE(0x3e, 0x1, 0x0, 0x2, 0x0) r0 = syz_open_dev$sndmidi(&(0x7f0000000040), 0x2, 0x141101) r1 = dup(r0) write$6lowpan_enable(r1, &(0x7f0000000000)='0', 0xfffffd2c) r2 = getpid() tkill(r2, 0x0) syz_open_procfs(r2, &(0x7f0000000080)='net/dev\x00') r3 = socket$inet6_sctp(0xa, 0x5, 0x84) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r3, 0x84, 0x9, &(0x7f0000000580)={0x0, @in={{0x2, 0x0, @empty}}, 0x0, 0x0, 0x3fc, 0x0, 0x32}, 0x9c) bind$inet6(r3, &(0x7f00004b8fe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) sendmsg$BATADV_CMD_GET_BLA_BACKBONE(0xffffffffffffffff, &(0x7f0000000240)={&(0x7f00000003c0)={0x10, 0x0, 0x0, 0x40000000}, 0xc, &(0x7f0000000580)={&(0x7f0000000ac0)=ANY=[@ANYBLOB="75b9609d35b13765f535640b1647adc8d4528d7dcb5ecd49ae55d43d3b97ecb1655aa6d8fee6b424e0505947a242cbd17bb07e95b202fc3c205cdbe6a8f96871306ae8b68ac958053ac4db38ca0dc66bbffd0930941f68eeb164059f458da7acaa5be83249f1180500a3884f69053123e3ce572b9b117c90fe0a17097d317242", @ANYRES32, @ANYRES64, @ANYRESOCT, @ANYBLOB="08003c0000080000ffa459f4d55ea7e660d27ca685e5ff2d0008000000080006003a47559364f7aad7844855eeb6e6d7b1e57d788f8dbacc87d90731e061160ba4f8e213ac52941d846cf53ab15299b9743f8bb0e6ea7725942d910a", @ANYRES16, @ANYRESOCT], 0x54}, 0x1, 0x0, 0x0, 0x4041}, 0x0) r4 = syz_mount_image$vfat(&(0x7f0000000900), &(0x7f0000000940)='./file0\x00', 0x200007, 0x3, &(0x7f0000000700)=[{&(0x7f0000000000)="eb3c906d8d6673fdd2617400028001000240000004f801", 0x17}, {&(0x7f0000001440)="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", 0x144, 0x601}, {0x0, 0x0, 0x5}], 0x800440, &(0x7f00000004c0)={[{@shortname_winnt}, {@fat=@gid}, {@iocharset={'iocharset', 0x3d, 'cp866'}}, {@fat=@fmask={'fmask', 0x3d, 0x1ff}}, {@rodir}, {@fat=@errors_remount}, {@shortname_win95}, {@uni_xlate}, {@uni_xlateno}, {@utf8}, {@uni_xlate}, {@utf8no}]}) sendmsg$IPSET_CMD_DEL(0xffffffffffffffff, &(0x7f0000000a80)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x200}, 0xc, &(0x7f0000000400)={&(0x7f00000008c0)=ANY=[@ANYRES64], 0x60}, 0x1, 0x0, 0x0, 0x8840}, 0x4040050) sendmsg$nl_route(0xffffffffffffffff, &(0x7f0000000980)={&(0x7f0000000440)={0x10, 0x0, 0x0, 0x10000000}, 0xc, &(0x7f0000000740)={&(0x7f0000000d00)=ANY=[@ANYBLOB="86f2407d8a204caf80b640e69a13fefeff6f0000042ba98cfcfccd470037369314427ebd70000000000000000000000000000000cdfb0fa21b95f8072c528f2858315775d7552e", @ANYRES32=0x0, @ANYBLOB="0c943d0559ff0600ff0000000c00018005000600c0000000100001800c00a03a03462081c7fc75d9ffffbf", @ANYRESDEC=r4, @ANYRES64], 0x40}, 0x1, 0x0, 0x0, 0x4008000}, 0x44040) sendmsg$DEVLINK_CMD_TRAP_POLICER_GET(0xffffffffffffffff, &(0x7f0000000780)={&(0x7f0000000480)={0x10, 0x0, 0x0, 0x1000}, 0xc, &(0x7f0000000680)={&(0x7f0000000f40)=ANY=[@ANYBLOB="dd82fa64e3415dc226d3ac622a8239db19850e5d1f97ad157d6e4d3b4b1eb09bbca07c99827fb7c132f6ded2b0753747f344067fa51608045c50c82cae8b9d8c5f9f", @ANYRESHEX, @ANYBLOB="000129bd7000fcdbdf35450900000001006e657464657673696d0000000f0002006e65746465ffffffffffffffff008e0001000000080029210ffe70f74135c6c84e95f601007063690011000200303030303a300008008e0000000000080001007063690011000200303030303a30303a31302e300000000408001700a1a628523064156e9f9c48c438c3489ada27a5332186e0618640bae922d4a91285d89e0cf8a2ec5e1bd9978ab6f6864f227aefb818605bb5faa903f2e69df3d3f06c95224bfd42e23b13a9b0ecf7e26eec4ccacef0f496c155b78af42fc33ec2a7e500"/233, @ANYRES16=r4, @ANYRESDEC, @ANYRESOCT, @ANYRES8], 0x84}, 0x1, 0x0, 0x0, 0x85}, 0x40000) bind$packet(0xffffffffffffffff, &(0x7f0000000140)={0x11, 0xf0, 0x0, 0x1, 0x0, 0x6, @multicast}, 0x14) close_range(0xffffffffffffffff, 0xffffffffffffffff, 0x2) sendto$inet6(r3, &(0x7f0000847fff)='X', 0x34000, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) 18:01:41 executing program 3: prctl$PR_SCHED_CORE(0x3e, 0x1, 0x0, 0x2, 0x0) r0 = syz_open_dev$sndmidi(&(0x7f0000000040), 0x2, 0x141101) r1 = dup(r0) write$6lowpan_enable(r1, &(0x7f0000000000)='0', 0xfffffd2c) getpid() r2 = socket$inet6_sctp(0xa, 0x5, 0x84) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r2, 0x84, 0x9, &(0x7f0000000580)={0x0, @in={{0x2, 0x0, @empty}}, 0x0, 0x0, 0x3fc, 0x0, 0x32}, 0x9c) bind$packet(0xffffffffffffffff, &(0x7f0000000140)={0x11, 0xf0, 0x0, 0x1, 0x0, 0x6, @multicast}, 0x14) sendto$inet6(r2, &(0x7f0000847fff)='X', 0x34000, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) 18:01:41 executing program 1: prctl$PR_SCHED_CORE(0x3e, 0x1, 0x0, 0x2, 0x0) syz_open_dev$sndmidi(&(0x7f0000000040), 0x2, 0x141101) r0 = dup(0xffffffffffffffff) write$6lowpan_enable(r0, &(0x7f0000000000)='0', 0xfffffd2c) syz_open_procfs(0x0, &(0x7f0000000080)='net/dev\x00') r1 = socket$inet6_sctp(0xa, 0x5, 0x84) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r1, 0x84, 0x9, &(0x7f0000000580)={0x0, @in={{0x2, 0x0, @empty}}, 0x0, 0x0, 0x3fc, 0x0, 0x32}, 0x9c) bind$packet(0xffffffffffffffff, &(0x7f0000000140)={0x11, 0xf0, 0x0, 0x1, 0x0, 0x6, @multicast}, 0x14) sendto$inet6(r1, &(0x7f0000847fff)='X', 0x34000, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) 18:01:41 executing program 0: prctl$PR_SCHED_CORE(0x3e, 0x1, 0x0, 0x2, 0x0) r0 = syz_open_dev$sndmidi(&(0x7f0000000040), 0x2, 0x0) r1 = dup(r0) write$6lowpan_enable(r1, &(0x7f0000000000)='0', 0xfffffd2c) syz_open_procfs(0x0, &(0x7f0000000080)='net/dev\x00') r2 = socket$inet6_sctp(0xa, 0x5, 0x84) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r2, 0x84, 0x9, &(0x7f0000000580)={0x0, @in={{0x2, 0x0, @empty}}, 0x0, 0x0, 0x3fc, 0x0, 0x32}, 0x9c) bind$packet(0xffffffffffffffff, &(0x7f0000000140)={0x11, 0xf0, 0x0, 0x1, 0x0, 0x6, @multicast}, 0x14) sendto$inet6(r2, &(0x7f0000847fff)='X', 0x34000, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) [ 751.285781][T11213] loop5: detected capacity change from 0 to 4096 18:01:41 executing program 1: prctl$PR_SCHED_CORE(0x3e, 0x1, 0x0, 0x2, 0x0) syz_open_dev$sndmidi(&(0x7f0000000040), 0x2, 0x141101) r0 = dup(0xffffffffffffffff) write$6lowpan_enable(r0, &(0x7f0000000000)='0', 0xfffffd2c) syz_open_procfs(0x0, &(0x7f0000000080)='net/dev\x00') r1 = socket$inet6_sctp(0xa, 0x5, 0x84) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r1, 0x84, 0x9, &(0x7f0000000580)={0x0, @in={{0x2, 0x0, @empty}}, 0x0, 0x0, 0x3fc, 0x0, 0x32}, 0x9c) bind$packet(0xffffffffffffffff, &(0x7f0000000140)={0x11, 0xf0, 0x0, 0x1, 0x0, 0x6, @multicast}, 0x14) sendto$inet6(r1, &(0x7f0000847fff)='X', 0x34000, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) 18:01:41 executing program 2: prctl$PR_SCHED_CORE(0x3e, 0x1, 0x0, 0x2, 0x0) r0 = syz_open_dev$sndmidi(&(0x7f0000000040), 0x2, 0x141101) r1 = dup(r0) write$6lowpan_enable(r1, &(0x7f0000000000)='0', 0xfffffd2c) syz_open_procfs(0x0, &(0x7f0000000080)='net/dev\x00') r2 = socket$inet6_sctp(0xa, 0x5, 0x84) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r2, 0x84, 0x9, &(0x7f0000000580)={0x0, @in={{0x2, 0x0, @empty}}, 0x0, 0x0, 0x3fc, 0x0, 0x32}, 0x9c) bind$packet(0xffffffffffffffff, &(0x7f0000000140)={0x11, 0xf0, 0x0, 0x1, 0x0, 0x6, @multicast}, 0x14) sendto$inet6(r2, &(0x7f0000847fff)='X', 0x34000, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) 18:01:41 executing program 0: prctl$PR_SCHED_CORE(0x3e, 0x1, 0x0, 0x2, 0x0) r0 = syz_open_dev$sndmidi(&(0x7f0000000040), 0x2, 0x141101) r1 = dup(r0) write$6lowpan_enable(r1, &(0x7f0000000000)='0', 0xfffffd2c) syz_open_procfs(0x0, &(0x7f0000000080)='net/dev\x00') r2 = socket$inet6_sctp(0xa, 0x5, 0x84) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r2, 0x84, 0x9, &(0x7f0000000580)={0x0, @in={{0x2, 0x0, @empty}}, 0x0, 0x0, 0x3fc, 0x0, 0x32}, 0x9c) bind$packet(0xffffffffffffffff, &(0x7f0000000140)={0x11, 0xf0, 0x0, 0x1, 0x0, 0x6, @multicast}, 0x14) sendto$inet6(r2, &(0x7f0000847fff)='X', 0x34000, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) 18:01:41 executing program 1: prctl$PR_SCHED_CORE(0x3e, 0x1, 0x0, 0x2, 0x0) syz_open_dev$sndmidi(&(0x7f0000000040), 0x2, 0x141101) r0 = dup(0xffffffffffffffff) write$6lowpan_enable(r0, &(0x7f0000000000)='0', 0xfffffd2c) syz_open_procfs(0x0, &(0x7f0000000080)='net/dev\x00') r1 = socket$inet6_sctp(0xa, 0x5, 0x84) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r1, 0x84, 0x9, &(0x7f0000000580)={0x0, @in={{0x2, 0x0, @empty}}, 0x0, 0x0, 0x3fc, 0x0, 0x32}, 0x9c) bind$packet(0xffffffffffffffff, &(0x7f0000000140)={0x11, 0xf0, 0x0, 0x1, 0x0, 0x6, @multicast}, 0x14) sendto$inet6(r1, &(0x7f0000847fff)='X', 0x34000, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) 18:01:41 executing program 1: prctl$PR_SCHED_CORE(0x3e, 0x1, 0x0, 0x2, 0x0) r0 = syz_open_dev$sndmidi(&(0x7f0000000040), 0x2, 0x141101) dup(r0) write$6lowpan_enable(0xffffffffffffffff, &(0x7f0000000000)='0', 0xfffffd2c) syz_open_procfs(0x0, &(0x7f0000000080)='net/dev\x00') r1 = socket$inet6_sctp(0xa, 0x5, 0x84) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r1, 0x84, 0x9, &(0x7f0000000580)={0x0, @in={{0x2, 0x0, @empty}}, 0x0, 0x0, 0x3fc, 0x0, 0x32}, 0x9c) bind$packet(0xffffffffffffffff, &(0x7f0000000140)={0x11, 0xf0, 0x0, 0x1, 0x0, 0x6, @multicast}, 0x14) sendto$inet6(r1, &(0x7f0000847fff)='X', 0x34000, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) 18:01:42 executing program 4: prctl$PR_SCHED_CORE(0x3e, 0x1, 0x0, 0x2, 0x0) syz_open_dev$sndmidi(&(0x7f0000000040), 0x2, 0x141101) r0 = dup(0xffffffffffffffff) write$6lowpan_enable(r0, &(0x7f0000000000)='0', 0xfffffd2c) syz_open_procfs(0x0, &(0x7f0000000080)='net/dev\x00') r1 = socket$inet6_sctp(0xa, 0x5, 0x84) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r1, 0x84, 0x9, &(0x7f0000000580)={0x0, @in={{0x2, 0x0, @empty}}, 0x0, 0x0, 0x3fc, 0x0, 0x32}, 0x9c) bind$packet(0xffffffffffffffff, &(0x7f0000000140)={0x11, 0xf0, 0x0, 0x1, 0x0, 0x6, @multicast}, 0x14) sendto$inet6(r1, &(0x7f0000847fff)='X', 0x34000, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) 18:01:42 executing program 1: prctl$PR_SCHED_CORE(0x3e, 0x1, 0x0, 0x2, 0x0) r0 = syz_open_dev$sndmidi(&(0x7f0000000040), 0x2, 0x141101) dup(r0) write$6lowpan_enable(0xffffffffffffffff, &(0x7f0000000000)='0', 0xfffffd2c) syz_open_procfs(0x0, &(0x7f0000000080)='net/dev\x00') r1 = socket$inet6_sctp(0xa, 0x5, 0x84) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r1, 0x84, 0x9, &(0x7f0000000580)={0x0, @in={{0x2, 0x0, @empty}}, 0x0, 0x0, 0x3fc, 0x0, 0x32}, 0x9c) bind$packet(0xffffffffffffffff, &(0x7f0000000140)={0x11, 0xf0, 0x0, 0x1, 0x0, 0x6, @multicast}, 0x14) sendto$inet6(r1, &(0x7f0000847fff)='X', 0x34000, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) 18:01:42 executing program 5: prctl$PR_SCHED_CORE(0x3e, 0x1, 0x0, 0x2, 0x0) syz_open_dev$sndmidi(&(0x7f0000000040), 0x2, 0x141101) r0 = dup(0xffffffffffffffff) write$6lowpan_enable(r0, &(0x7f0000000000)='0', 0xfffffd2c) syz_open_procfs(0x0, &(0x7f0000000080)='net/dev\x00') r1 = socket$inet6_sctp(0xa, 0x5, 0x84) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r1, 0x84, 0x9, &(0x7f0000000580)={0x0, @in={{0x2, 0x0, @empty}}, 0x0, 0x0, 0x3fc, 0x0, 0x32}, 0x9c) bind$packet(0xffffffffffffffff, &(0x7f0000000140)={0x11, 0xf0, 0x0, 0x1, 0x0, 0x6, @multicast}, 0x14) sendto$inet6(r1, &(0x7f0000847fff)='X', 0x34000, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) 18:01:42 executing program 4: prctl$PR_SCHED_CORE(0x3e, 0x1, 0x0, 0x2, 0x0) syz_open_dev$sndmidi(&(0x7f0000000040), 0x2, 0x141101) r0 = dup(0xffffffffffffffff) write$6lowpan_enable(r0, &(0x7f0000000000)='0', 0xfffffd2c) syz_open_procfs(0x0, &(0x7f0000000080)='net/dev\x00') r1 = socket$inet6_sctp(0xa, 0x5, 0x84) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r1, 0x84, 0x9, &(0x7f0000000580)={0x0, @in={{0x2, 0x0, @empty}}, 0x0, 0x0, 0x3fc, 0x0, 0x32}, 0x9c) bind$packet(0xffffffffffffffff, &(0x7f0000000140)={0x11, 0xf0, 0x0, 0x1, 0x0, 0x6, @multicast}, 0x14) sendto$inet6(r1, &(0x7f0000847fff)='X', 0x34000, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) 18:01:42 executing program 3: prctl$PR_SCHED_CORE(0x3e, 0x1, 0x0, 0x2, 0x0) r0 = syz_open_dev$sndmidi(&(0x7f0000000040), 0x2, 0x141101) r1 = dup(r0) write$6lowpan_enable(r1, &(0x7f0000000000)='0', 0xfffffd2c) getpid() r2 = socket$inet6_sctp(0xa, 0x5, 0x84) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r2, 0x84, 0x9, &(0x7f0000000580)={0x0, @in={{0x2, 0x0, @empty}}, 0x0, 0x0, 0x3fc, 0x0, 0x32}, 0x9c) bind$packet(0xffffffffffffffff, &(0x7f0000000140)={0x11, 0xf0, 0x0, 0x1, 0x0, 0x6, @multicast}, 0x14) sendto$inet6(r2, &(0x7f0000847fff)='X', 0x34000, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) 18:01:42 executing program 1: prctl$PR_SCHED_CORE(0x3e, 0x1, 0x0, 0x2, 0x0) r0 = syz_open_dev$sndmidi(&(0x7f0000000040), 0x2, 0x141101) dup(r0) write$6lowpan_enable(0xffffffffffffffff, &(0x7f0000000000)='0', 0xfffffd2c) syz_open_procfs(0x0, &(0x7f0000000080)='net/dev\x00') r1 = socket$inet6_sctp(0xa, 0x5, 0x84) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r1, 0x84, 0x9, &(0x7f0000000580)={0x0, @in={{0x2, 0x0, @empty}}, 0x0, 0x0, 0x3fc, 0x0, 0x32}, 0x9c) bind$packet(0xffffffffffffffff, &(0x7f0000000140)={0x11, 0xf0, 0x0, 0x1, 0x0, 0x6, @multicast}, 0x14) sendto$inet6(r1, &(0x7f0000847fff)='X', 0x34000, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) 18:01:42 executing program 2: prctl$PR_SCHED_CORE(0x3e, 0x1, 0x0, 0x2, 0x0) r0 = syz_open_dev$sndmidi(&(0x7f0000000040), 0x2, 0x141101) r1 = dup(r0) write$6lowpan_enable(r1, &(0x7f0000000000)='0', 0xfffffd2c) syz_open_procfs(0x0, &(0x7f0000000080)='net/dev\x00') r2 = socket$inet6_sctp(0xa, 0x5, 0x84) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r2, 0x84, 0x9, &(0x7f0000000580)={0x0, @in={{0x2, 0x0, @empty}}, 0x0, 0x0, 0x3fc, 0x0, 0x32}, 0x9c) bind$packet(0xffffffffffffffff, &(0x7f0000000140)={0x11, 0xf0, 0x0, 0x1, 0x0, 0x6, @multicast}, 0x14) sendto$inet6(r2, &(0x7f0000847fff)='X', 0x34000, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) 18:01:42 executing program 0: prctl$PR_SCHED_CORE(0x3e, 0x1, 0x0, 0x2, 0x0) r0 = syz_open_dev$sndmidi(&(0x7f0000000040), 0x2, 0x141101) r1 = dup(r0) write$6lowpan_enable(r1, &(0x7f0000000000)='0', 0xfffffd2c) syz_open_procfs(0x0, &(0x7f0000000080)='net/dev\x00') r2 = socket$inet6_sctp(0xa, 0x5, 0x84) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r2, 0x84, 0x9, &(0x7f0000000580)={0x0, @in={{0x2, 0x0, @empty}}, 0x0, 0x0, 0x3fc, 0x0, 0x32}, 0x9c) bind$packet(0xffffffffffffffff, &(0x7f0000000140)={0x11, 0xf0, 0x0, 0x1, 0x0, 0x6, @multicast}, 0x14) sendto$inet6(r2, &(0x7f0000847fff)='X', 0x34000, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) 18:01:42 executing program 1: prctl$PR_SCHED_CORE(0x3e, 0x1, 0x0, 0x2, 0x0) r0 = syz_open_dev$sndmidi(&(0x7f0000000040), 0x2, 0x141101) r1 = dup(r0) write$6lowpan_enable(r1, 0x0, 0x0) syz_open_procfs(0x0, &(0x7f0000000080)='net/dev\x00') r2 = socket$inet6_sctp(0xa, 0x5, 0x84) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r2, 0x84, 0x9, &(0x7f0000000580)={0x0, @in={{0x2, 0x0, @empty}}, 0x0, 0x0, 0x3fc, 0x0, 0x32}, 0x9c) bind$packet(0xffffffffffffffff, &(0x7f0000000140)={0x11, 0xf0, 0x0, 0x1, 0x0, 0x6, @multicast}, 0x14) sendto$inet6(r2, &(0x7f0000847fff)='X', 0x34000, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) 18:01:42 executing program 5: prctl$PR_SCHED_CORE(0x3e, 0x1, 0x0, 0x2, 0x0) r0 = syz_open_dev$sndmidi(&(0x7f0000000040), 0x2, 0x141101) r1 = dup(r0) write$6lowpan_enable(r1, &(0x7f0000000000)='0', 0xfffffd2c) syz_open_procfs(0x0, &(0x7f0000000080)='net/dev\x00') r2 = socket$inet6_sctp(0xa, 0x5, 0x84) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r2, 0x84, 0x9, &(0x7f0000000580)={0x0, @in={{0x2, 0x0, @empty}}, 0x0, 0x0, 0x3fc, 0x0, 0x32}, 0x9c) bind$packet(0xffffffffffffffff, &(0x7f0000000140)={0x11, 0xf0, 0x0, 0x1, 0x0, 0x6, @multicast}, 0x14) sendto$inet6(r2, &(0x7f0000847fff)='X', 0x34000, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) 18:01:42 executing program 4: prctl$PR_SCHED_CORE(0x3e, 0x1, 0x0, 0x2, 0x0) r0 = syz_open_dev$sndmidi(&(0x7f0000000040), 0x2, 0x0) r1 = dup(r0) write$6lowpan_enable(r1, &(0x7f0000000000)='0', 0xfffffd2c) syz_open_procfs(0x0, &(0x7f0000000080)='net/dev\x00') r2 = socket$inet6_sctp(0xa, 0x5, 0x84) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r2, 0x84, 0x9, &(0x7f0000000580)={0x0, @in={{0x2, 0x0, @empty}}, 0x0, 0x0, 0x3fc, 0x0, 0x32}, 0x9c) bind$packet(0xffffffffffffffff, &(0x7f0000000140)={0x11, 0xf0, 0x0, 0x1, 0x0, 0x6, @multicast}, 0x14) sendto$inet6(r2, &(0x7f0000847fff)='X', 0x34000, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) 18:01:42 executing program 1: prctl$PR_SCHED_CORE(0x3e, 0x1, 0x0, 0x2, 0x0) r0 = syz_open_dev$sndmidi(&(0x7f0000000040), 0x2, 0x141101) r1 = dup(r0) write$6lowpan_enable(r1, 0x0, 0x0) syz_open_procfs(0x0, &(0x7f0000000080)='net/dev\x00') r2 = socket$inet6_sctp(0xa, 0x5, 0x84) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r2, 0x84, 0x9, &(0x7f0000000580)={0x0, @in={{0x2, 0x0, @empty}}, 0x0, 0x0, 0x3fc, 0x0, 0x32}, 0x9c) bind$packet(0xffffffffffffffff, &(0x7f0000000140)={0x11, 0xf0, 0x0, 0x1, 0x0, 0x6, @multicast}, 0x14) sendto$inet6(r2, &(0x7f0000847fff)='X', 0x34000, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) 18:01:43 executing program 4: r0 = syz_mount_image$vfat(&(0x7f0000000900), &(0x7f0000000940)='./file0\x00', 0x200007, 0x2, &(0x7f0000000700)=[{&(0x7f0000000000)="eb3c906d8d6673fdd2617400028001000240000004f801", 0x17}, {0x0, 0x0, 0x601}], 0x800440, &(0x7f00000004c0)={[{@shortname_winnt}, {@fat=@gid}, {@iocharset={'iocharset', 0x3d, 'cp866'}}, {@fat=@fmask={'fmask', 0x3d, 0x1ff}}, {@rodir}, {@fat=@errors_remount}, {@shortname_win95}, {@uni_xlate}, {@uni_xlateno}, {@utf8}, {@uni_xlate}, {@utf8no}]}) mknodat$loop(r0, &(0x7f0000000000)='./file0\x00', 0x100, 0x0) [ 753.175285][T11263] loop4: detected capacity change from 0 to 4096 18:01:43 executing program 4: r0 = syz_mount_image$vfat(&(0x7f0000000900), &(0x7f0000000940)='./file0\x00', 0x200007, 0x2, &(0x7f0000000700)=[{&(0x7f0000000000)="eb3c906d8d6673fdd2617400028001000240000004f801", 0x17}, {0x0, 0x0, 0x601}], 0x800440, &(0x7f00000004c0)={[{@shortname_winnt}, {@fat=@gid}, {@iocharset={'iocharset', 0x3d, 'cp866'}}, {@fat=@fmask={'fmask', 0x3d, 0x1ff}}, {@rodir}, {@fat=@errors_remount}, {@shortname_win95}, {@uni_xlate}, {@uni_xlateno}, {@utf8}, {@uni_xlate}, {@utf8no}]}) mknodat$loop(r0, &(0x7f0000000000)='./file0\x00', 0x100, 0x0) 18:01:43 executing program 1: prctl$PR_SCHED_CORE(0x3e, 0x1, 0x0, 0x2, 0x0) r0 = syz_open_dev$sndmidi(&(0x7f0000000040), 0x2, 0x141101) r1 = dup(r0) write$6lowpan_enable(r1, 0x0, 0x0) syz_open_procfs(0x0, &(0x7f0000000080)='net/dev\x00') r2 = socket$inet6_sctp(0xa, 0x5, 0x84) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r2, 0x84, 0x9, &(0x7f0000000580)={0x0, @in={{0x2, 0x0, @empty}}, 0x0, 0x0, 0x3fc, 0x0, 0x32}, 0x9c) bind$packet(0xffffffffffffffff, &(0x7f0000000140)={0x11, 0xf0, 0x0, 0x1, 0x0, 0x6, @multicast}, 0x14) sendto$inet6(r2, &(0x7f0000847fff)='X', 0x34000, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) [ 753.380713][T11266] loop4: detected capacity change from 0 to 4096 18:01:43 executing program 4: prctl$PR_SCHED_CORE(0x3e, 0x1, 0x0, 0x2, 0x0) r0 = syz_open_dev$sndmidi(&(0x7f0000000040), 0x2, 0x141101) r1 = dup(r0) write$6lowpan_enable(r1, &(0x7f0000000000)='0', 0xfffffd2c) r2 = getpid() tkill(r2, 0x0) syz_open_procfs(r2, &(0x7f0000000080)='net/dev\x00') r3 = socket$inet6_sctp(0xa, 0x5, 0x84) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r3, 0x84, 0x9, &(0x7f0000000580)={0x0, @in={{0x2, 0x0, @empty}}, 0x0, 0x0, 0x3fc, 0x0, 0x32}, 0x9c) bind$inet6(r3, &(0x7f00004b8fe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) sendmsg$BATADV_CMD_GET_BLA_BACKBONE(0xffffffffffffffff, &(0x7f0000000240)={&(0x7f00000003c0)={0x10, 0x0, 0x0, 0x40000000}, 0xc, &(0x7f0000000580)={&(0x7f0000000ac0)=ANY=[@ANYBLOB="75b9609d35b13765f535640b1647adc8d4528d7dcb5ecd49ae55d43d3b97ecb1655aa6d8fee6b424e0505947a242cbd17bb07e95b202fc3c205cdbe6a8f96871306ae8b68ac958053ac4db38ca0dc66bbffd0930941f68eeb164059f458da7acaa5be83249f1180500a3884f69053123e3ce572b9b117c90fe0a17097d317242", @ANYRES32, @ANYRES64, @ANYRESOCT, @ANYBLOB="08003c0000080000ffa459f4d55ea7e660d27ca685e5ff2d0008000000080006003a47559364f7aad7844855eeb6e6d7b1e57d788f8dbacc87d90731e061160ba4f8e213ac52941d846cf53ab15299b9743f8bb0e6ea7725942d910a", @ANYRES16, @ANYRESOCT], 0x54}, 0x1, 0x0, 0x0, 0x4041}, 0x0) r4 = syz_mount_image$vfat(&(0x7f0000000900), &(0x7f0000000940)='./file0\x00', 0x200007, 0x3, &(0x7f0000000700)=[{&(0x7f0000000000)="eb3c906d8d6673fdd2617400028001000240000004f801", 0x17}, {&(0x7f0000001440)="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", 0x144, 0x601}, {0x0, 0x0, 0x5}], 0x800440, &(0x7f00000004c0)={[{@shortname_winnt}, {@fat=@gid}, {@iocharset={'iocharset', 0x3d, 'cp866'}}, {@fat=@fmask={'fmask', 0x3d, 0x1ff}}, {@rodir}, {@fat=@errors_remount}, {@shortname_win95}, {@uni_xlate}, {@uni_xlateno}, {@utf8}, {@uni_xlate}, {@utf8no}]}) sendmsg$IPSET_CMD_DEL(0xffffffffffffffff, &(0x7f0000000a80)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x200}, 0xc, &(0x7f0000000400)={&(0x7f00000008c0)=ANY=[@ANYRES64], 0x60}, 0x1, 0x0, 0x0, 0x8840}, 0x4040050) sendmsg$nl_route(0xffffffffffffffff, &(0x7f0000000980)={&(0x7f0000000440)={0x10, 0x0, 0x0, 0x10000000}, 0xc, &(0x7f0000000740)={&(0x7f0000000d00)=ANY=[@ANYBLOB="86f2407d8a204caf80b640e69a13fefeff6f0000042ba98cfcfccd470037369314427ebd70000000000000000000000000000000cdfb0fa21b95f8072c528f2858315775d7552e", @ANYRES32=0x0, @ANYBLOB="0c943d0559ff0600ff0000000c00018005000600c0000000100001800c00a03a03462081c7fc75d9ffffbf", @ANYRESDEC=r4, @ANYRES64], 0x40}, 0x1, 0x0, 0x0, 0x4008000}, 0x44040) sendmsg$DEVLINK_CMD_TRAP_POLICER_GET(0xffffffffffffffff, &(0x7f0000000780)={&(0x7f0000000480)={0x10, 0x0, 0x0, 0x1000}, 0xc, &(0x7f0000000680)={&(0x7f0000000f40)=ANY=[@ANYBLOB="dd82fa64e3415dc226d3ac622a8239db19850e5d1f97ad157d6e4d3b4b1eb09bbca07c99827fb7c132f6ded2b0753747f344067fa51608045c50c82cae8b9d8c5f9f", @ANYRESHEX, @ANYBLOB="000129bd7000fcdbdf35450900000001006e657464657673696d0000000f0002006e65746465ffffffffffffffff008e0001000000080029210ffe70f74135c6c84e95f601007063690011000200303030303a300008008e0000000000080001007063690011000200303030303a30303a31302e300000000408001700a1a628523064156e9f9c48c438c3489ada27a5332186e0618640bae922d4a91285d89e0cf8a2ec5e1bd9978ab6f6864f227aefb818605bb5faa903f2e69df3d3f06c95224bfd42e23b13a9b0ecf7e26eec4ccacef0f496c155b78af42fc33ec2a7e500"/233, @ANYRES16=r4, @ANYRESDEC, @ANYRESOCT, @ANYRES8], 0x84}, 0x1, 0x0, 0x0, 0x85}, 0x40000) sendmsg$nl_route(0xffffffffffffffff, &(0x7f0000000a00)={&(0x7f00000007c0)={0x10, 0x0, 0x0, 0x200000}, 0xc, &(0x7f0000000880)={&(0x7f0000000c00)=ANY=[@ANYBLOB="240000499a000400d7cfb9710f73c673000700ac1e0011000000000000000000000000005a381ff052b251", @ANYRES16, @ANYRESDEC, @ANYRES16, @ANYRES16, @ANYRESOCT], 0x24}, 0x1, 0x0, 0x0, 0x4044080}, 0x8080) close_range(0xffffffffffffffff, 0xffffffffffffffff, 0x2) sendto$inet6(r3, &(0x7f0000847fff)='X', 0x34000, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) [ 753.759239][T11270] loop4: detected capacity change from 0 to 4096 18:01:43 executing program 2: prctl$PR_SCHED_CORE(0x3e, 0x1, 0x0, 0x2, 0x0) r0 = syz_open_dev$sndmidi(&(0x7f0000000040), 0x2, 0x141101) dup(r0) syz_open_procfs(0x0, &(0x7f0000000080)='net/dev\x00') r1 = socket$inet6_sctp(0xa, 0x5, 0x84) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r1, 0x84, 0x9, &(0x7f0000000580)={0x0, @in={{0x2, 0x0, @empty}}, 0x0, 0x0, 0x3fc, 0x0, 0x32}, 0x9c) bind$packet(0xffffffffffffffff, &(0x7f0000000140)={0x11, 0xf0, 0x0, 0x1, 0x0, 0x6, @multicast}, 0x14) sendto$inet6(r1, &(0x7f0000847fff)='X', 0x34000, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) 18:01:43 executing program 1: prctl$PR_SCHED_CORE(0x3e, 0x1, 0x0, 0x2, 0x0) r0 = syz_open_dev$sndmidi(&(0x7f0000000040), 0x2, 0x141101) r1 = dup(r0) write$6lowpan_enable(r1, &(0x7f0000000000)='0', 0xfffffd2c) syz_open_procfs(0x0, 0x0) r2 = socket$inet6_sctp(0xa, 0x5, 0x84) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r2, 0x84, 0x9, &(0x7f0000000580)={0x0, @in={{0x2, 0x0, @empty}}, 0x0, 0x0, 0x3fc, 0x0, 0x32}, 0x9c) bind$packet(0xffffffffffffffff, &(0x7f0000000140)={0x11, 0xf0, 0x0, 0x1, 0x0, 0x6, @multicast}, 0x14) sendto$inet6(r2, &(0x7f0000847fff)='X', 0x34000, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) 18:01:43 executing program 0: prctl$PR_SCHED_CORE(0x3e, 0x1, 0x0, 0x2, 0x0) r0 = syz_open_dev$sndmidi(&(0x7f0000000040), 0x2, 0x141101) r1 = dup(r0) write$6lowpan_enable(r1, &(0x7f0000000000)='0', 0xfffffd2c) syz_open_procfs(0x0, &(0x7f0000000080)='net/dev\x00') r2 = socket$inet6_sctp(0xa, 0x5, 0x84) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r2, 0x84, 0x9, &(0x7f0000000580)={0x0, @in={{0x2, 0x0, @empty}}, 0x0, 0x0, 0x3fc, 0x0, 0x32}, 0x9c) bind$packet(0xffffffffffffffff, &(0x7f0000000140)={0x11, 0xf0, 0x0, 0x1, 0x0, 0x6, @multicast}, 0x14) sendto$inet6(r2, &(0x7f0000847fff)='X', 0x34000, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) 18:01:43 executing program 3: prctl$PR_SCHED_CORE(0x3e, 0x1, 0x0, 0x2, 0x0) r0 = syz_open_dev$sndmidi(&(0x7f0000000040), 0x2, 0x141101) r1 = dup(r0) write$6lowpan_enable(r1, &(0x7f0000000000)='0', 0xfffffd2c) r2 = getpid() tkill(r2, 0x0) syz_open_procfs(r2, &(0x7f0000000080)='net/dev\x00') r3 = socket$inet6_sctp(0xa, 0x5, 0x84) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r3, 0x84, 0x9, &(0x7f0000000580)={0x0, @in={{0x2, 0x0, @empty}}, 0x0, 0x0, 0x3fc, 0x0, 0x32}, 0x9c) bind$inet6(r3, &(0x7f00004b8fe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) sendmsg$BATADV_CMD_GET_BLA_BACKBONE(0xffffffffffffffff, &(0x7f0000000240)={&(0x7f00000003c0)={0x10, 0x0, 0x0, 0x40000000}, 0xc, &(0x7f0000000580)={&(0x7f0000000ac0)=ANY=[@ANYBLOB="75b9609d35b13765f535640b1647adc8d4528d7dcb5ecd49ae55d43d3b97ecb1655aa6d8fee6b424e0505947a242cbd17bb07e95b202fc3c205cdbe6a8f96871306ae8b68ac958053ac4db38ca0dc66bbffd0930941f68eeb164059f458da7acaa5be83249f1180500a3884f69053123e3ce572b9b117c90fe0a17097d317242", @ANYRES32, @ANYRES64, @ANYRESOCT, @ANYBLOB="08003c0000080000ffa459f4d55ea7e660d27ca685e5ff2d0008000000080006003a47559364f7aad7844855eeb6e6d7b1e57d788f8dbacc87d90731e061160ba4f8e213ac52941d846cf53ab15299b9743f8bb0e6ea7725942d910a", @ANYRES16, @ANYRESOCT], 0x54}, 0x1, 0x0, 0x0, 0x4041}, 0x0) r4 = syz_mount_image$vfat(&(0x7f0000000900), &(0x7f0000000940)='./file0\x00', 0x200007, 0x3, &(0x7f0000000700)=[{&(0x7f0000000000)="eb3c906d8d6673fdd2617400028001000240000004f801", 0x17}, {&(0x7f0000001440)="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", 0x144, 0x601}, {0x0, 0x0, 0x5}], 0x800440, &(0x7f00000004c0)={[{@shortname_winnt}, {@fat=@gid}, {@iocharset={'iocharset', 0x3d, 'cp866'}}, {@fat=@fmask={'fmask', 0x3d, 0x1ff}}, {@rodir}, {@fat=@errors_remount}, {@shortname_win95}, {@uni_xlate}, {@uni_xlateno}, {@utf8}, {@uni_xlate}, {@utf8no}]}) sendmsg$IPSET_CMD_DEL(0xffffffffffffffff, &(0x7f0000000a80)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x200}, 0xc, &(0x7f0000000400)={&(0x7f00000008c0)=ANY=[@ANYRES64], 0x60}, 0x1, 0x0, 0x0, 0x8840}, 0x4040050) sendmsg$nl_route(0xffffffffffffffff, &(0x7f0000000980)={&(0x7f0000000440)={0x10, 0x0, 0x0, 0x10000000}, 0xc, &(0x7f0000000740)={&(0x7f0000000d00)=ANY=[@ANYBLOB="86f2407d8a204caf80b640e69a13fefeff6f0000042ba98cfcfccd470037369314427ebd70000000000000000000000000000000cdfb0fa21b95f8072c528f2858315775d7552e", @ANYRES32=0x0, @ANYBLOB="0c943d0559ff0600ff0000000c00018005000600c0000000100001800c00a03a03462081c7fc75d9ffffbf", @ANYRESDEC=r4, @ANYRES64], 0x40}, 0x1, 0x0, 0x0, 0x4008000}, 0x44040) sendmsg$DEVLINK_CMD_TRAP_POLICER_GET(0xffffffffffffffff, &(0x7f0000000780)={&(0x7f0000000480)={0x10, 0x0, 0x0, 0x1000}, 0xc, &(0x7f0000000680)={&(0x7f0000000f40)=ANY=[@ANYBLOB="dd82fa64e3415dc226d3ac622a8239db19850e5d1f97ad157d6e4d3b4b1eb09bbca07c99827fb7c132f6ded2b0753747f344067fa51608045c50c82cae8b9d8c5f9f", @ANYRESHEX, @ANYBLOB="000129bd7000fcdbdf35450900000001006e657464657673696d0000000f0002006e65746465ffffffffffffffff008e0001000000080029210ffe70f74135c6c84e95f601007063690011000200303030303a300008008e0000000000080001007063690011000200303030303a30303a31302e300000000408001700a1a628523064156e9f9c48c438c3489ada27a5332186e0618640bae922d4a91285d89e0cf8a2ec5e1bd9978ab6f6864f227aefb818605bb5faa903f2e69df3d3f06c95224bfd42e23b13a9b0ecf7e26eec4ccacef0f496c155b78af42fc33ec2a7e500"/233, @ANYRES16=r4, @ANYRESDEC, @ANYRESOCT, @ANYRES8], 0x84}, 0x1, 0x0, 0x0, 0x85}, 0x40000) sendmsg$nl_route(0xffffffffffffffff, &(0x7f0000000a00)={&(0x7f00000007c0)={0x10, 0x0, 0x0, 0x200000}, 0xc, &(0x7f0000000880)={&(0x7f0000000c00)=ANY=[@ANYBLOB="240000499a000400d7cfb9710f73c673000700ac1e0011000000000000000000000000005a381ff052b251", @ANYRES16, @ANYRESDEC, @ANYRES16, @ANYRES16, @ANYRESOCT], 0x24}, 0x1, 0x0, 0x0, 0x4044080}, 0x8080) close_range(0xffffffffffffffff, 0xffffffffffffffff, 0x2) sendto$inet6(r3, &(0x7f0000847fff)='X', 0x34000, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) 18:01:43 executing program 5: prctl$PR_SCHED_CORE(0x3e, 0x1, 0x0, 0x2, 0x0) r0 = syz_open_dev$sndmidi(&(0x7f0000000040), 0x2, 0x141101) r1 = dup(r0) write$6lowpan_enable(r1, &(0x7f0000000000)='0', 0xfffffd2c) syz_open_procfs(0x0, &(0x7f0000000080)='net/dev\x00') r2 = socket$inet6_sctp(0xa, 0x5, 0x84) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r2, 0x84, 0x9, &(0x7f0000000580)={0x0, @in={{0x2, 0x0, @empty}}, 0x0, 0x0, 0x3fc, 0x0, 0x32}, 0x9c) bind$packet(0xffffffffffffffff, &(0x7f0000000140)={0x11, 0xf0, 0x0, 0x1, 0x0, 0x6, @multicast}, 0x14) sendto$inet6(r2, &(0x7f0000847fff)='X', 0x34000, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) [ 754.162604][T11281] loop3: detected capacity change from 0 to 4096 18:01:44 executing program 2: prctl$PR_SCHED_CORE(0x3e, 0x1, 0x0, 0x2, 0x0) r0 = syz_open_dev$sndmidi(&(0x7f0000000040), 0x2, 0x141101) dup(r0) syz_open_procfs(0x0, &(0x7f0000000080)='net/dev\x00') r1 = socket$inet6_sctp(0xa, 0x5, 0x84) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r1, 0x84, 0x9, &(0x7f0000000580)={0x0, @in={{0x2, 0x0, @empty}}, 0x0, 0x0, 0x3fc, 0x0, 0x32}, 0x9c) bind$packet(0xffffffffffffffff, &(0x7f0000000140)={0x11, 0xf0, 0x0, 0x1, 0x0, 0x6, @multicast}, 0x14) sendto$inet6(r1, &(0x7f0000847fff)='X', 0x34000, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) 18:01:44 executing program 2: prctl$PR_SCHED_CORE(0x3e, 0x1, 0x0, 0x2, 0x0) r0 = syz_open_dev$sndmidi(&(0x7f0000000040), 0x2, 0x141101) dup(r0) syz_open_procfs(0x0, &(0x7f0000000080)='net/dev\x00') r1 = socket$inet6_sctp(0xa, 0x5, 0x84) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r1, 0x84, 0x9, &(0x7f0000000580)={0x0, @in={{0x2, 0x0, @empty}}, 0x0, 0x0, 0x3fc, 0x0, 0x32}, 0x9c) bind$packet(0xffffffffffffffff, &(0x7f0000000140)={0x11, 0xf0, 0x0, 0x1, 0x0, 0x6, @multicast}, 0x14) sendto$inet6(r1, &(0x7f0000847fff)='X', 0x34000, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) 18:01:44 executing program 4: ioctl$SNDRV_CTL_IOCTL_RAWMIDI_NEXT_DEVICE(0xffffffffffffffff, 0xc1205531, 0xfffffffffffffffc) syz_genetlink_get_family_id$devlink(0x0, 0xffffffffffffffff) r0 = syz_mount_image$vfat(&(0x7f0000000900), &(0x7f0000000940)='./file0\x00', 0x200007, 0x2, &(0x7f0000000700)=[{&(0x7f0000000000)="eb3c906d8d6673fdd2617400028001000240000004f801", 0x17}, {&(0x7f0000001440)="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", 0x11c, 0x601}], 0x800440, &(0x7f00000004c0)={[{@shortname_winnt}, {@fat=@gid}, {@iocharset={'iocharset', 0x3d, 'cp866'}}, {@fat=@fmask={'fmask', 0x3d, 0x1ff}}, {@rodir}, {@fat=@errors_remount}, {@shortname_win95}, {@uni_xlate}, {@uni_xlateno}, {@utf8}, {@uni_xlate}, {@utf8no}]}) mknodat$loop(r0, &(0x7f0000000000)='./file0\x00', 0x100, 0x0) 18:01:44 executing program 2: prctl$PR_SCHED_CORE(0x3e, 0x1, 0x0, 0x2, 0x0) syz_open_dev$sndmidi(&(0x7f0000000040), 0x2, 0x141101) write$6lowpan_enable(0xffffffffffffffff, &(0x7f0000000000)='0', 0xfffffd2c) syz_open_procfs(0x0, &(0x7f0000000080)='net/dev\x00') r0 = socket$inet6_sctp(0xa, 0x5, 0x84) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r0, 0x84, 0x9, &(0x7f0000000580)={0x0, @in={{0x2, 0x0, @empty}}, 0x0, 0x0, 0x3fc, 0x0, 0x32}, 0x9c) bind$packet(0xffffffffffffffff, &(0x7f0000000140)={0x11, 0xf0, 0x0, 0x1, 0x0, 0x6, @multicast}, 0x14) sendto$inet6(r0, &(0x7f0000847fff)='X', 0x34000, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) [ 754.810254][T11290] loop4: detected capacity change from 0 to 4096 18:01:44 executing program 1: prctl$PR_SCHED_CORE(0x3e, 0x1, 0x0, 0x2, 0x0) r0 = syz_open_dev$sndmidi(&(0x7f0000000040), 0x2, 0x141101) r1 = dup(r0) write$6lowpan_enable(r1, &(0x7f0000000000)='0', 0xfffffd2c) syz_open_procfs(0x0, 0x0) r2 = socket$inet6_sctp(0xa, 0x5, 0x84) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r2, 0x84, 0x9, &(0x7f0000000580)={0x0, @in={{0x2, 0x0, @empty}}, 0x0, 0x0, 0x3fc, 0x0, 0x32}, 0x9c) bind$packet(0xffffffffffffffff, &(0x7f0000000140)={0x11, 0xf0, 0x0, 0x1, 0x0, 0x6, @multicast}, 0x14) sendto$inet6(r2, &(0x7f0000847fff)='X', 0x34000, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) 18:01:44 executing program 4: prctl$PR_SCHED_CORE(0x3e, 0x1, 0x0, 0x2, 0x0) r0 = syz_open_dev$sndmidi(&(0x7f0000000040), 0x2, 0x141101) dup(r0) syz_open_procfs(0x0, &(0x7f0000000080)='net/dev\x00') r1 = socket$inet6_sctp(0xa, 0x5, 0x84) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r1, 0x84, 0x9, &(0x7f0000000580)={0x0, @in={{0x2, 0x0, @empty}}, 0x0, 0x0, 0x3fc, 0x0, 0x32}, 0x9c) bind$packet(0xffffffffffffffff, &(0x7f0000000140)={0x11, 0xf0, 0x0, 0x1, 0x0, 0x6, @multicast}, 0x14) sendto$inet6(r1, &(0x7f0000847fff)='X', 0x34000, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) 18:01:44 executing program 2: prctl$PR_SCHED_CORE(0x3e, 0x1, 0x0, 0x2, 0x0) syz_open_dev$sndmidi(&(0x7f0000000040), 0x2, 0x141101) write$6lowpan_enable(0xffffffffffffffff, &(0x7f0000000000)='0', 0xfffffd2c) syz_open_procfs(0x0, &(0x7f0000000080)='net/dev\x00') r0 = socket$inet6_sctp(0xa, 0x5, 0x84) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r0, 0x84, 0x9, &(0x7f0000000580)={0x0, @in={{0x2, 0x0, @empty}}, 0x0, 0x0, 0x3fc, 0x0, 0x32}, 0x9c) bind$packet(0xffffffffffffffff, &(0x7f0000000140)={0x11, 0xf0, 0x0, 0x1, 0x0, 0x6, @multicast}, 0x14) sendto$inet6(r0, &(0x7f0000847fff)='X', 0x34000, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) 18:01:45 executing program 5: prctl$PR_SCHED_CORE(0x3e, 0x1, 0x0, 0x2, 0x0) r0 = syz_open_dev$sndmidi(&(0x7f0000000040), 0x2, 0x141101) r1 = dup(r0) write$6lowpan_enable(r1, &(0x7f0000000000)='0', 0xfffffd2c) r2 = getpid() tkill(r2, 0x0) syz_open_procfs(r2, &(0x7f0000000080)='net/dev\x00') r3 = socket$inet6_sctp(0xa, 0x5, 0x84) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r3, 0x84, 0x9, &(0x7f0000000580)={0x0, @in={{0x2, 0x0, @empty}}, 0x0, 0x0, 0x3fc, 0x0, 0x32}, 0x9c) bind$inet6(r3, &(0x7f00004b8fe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) sendmsg$BATADV_CMD_GET_BLA_BACKBONE(0xffffffffffffffff, &(0x7f0000000240)={&(0x7f00000003c0)={0x10, 0x0, 0x0, 0x40000000}, 0xc, &(0x7f0000000580)={&(0x7f0000000ac0)=ANY=[@ANYBLOB="75b9609d35b13765f535640b1647adc8d4528d7dcb5ecd49ae55d43d3b97ecb1655aa6d8fee6b424e0505947a242cbd17bb07e95b202fc3c205cdbe6a8f96871306ae8b68ac958053ac4db38ca0dc66bbffd0930941f68eeb164059f458da7acaa5be83249f1180500a3884f69053123e3ce572b9b117c90fe0a17097d317242", @ANYRES32, @ANYRES64, @ANYRESOCT, @ANYBLOB="08003c0000080000ffa459f4d55ea7e660d27ca685e5ff2d0008000000080006003a47559364f7aad7844855eeb6e6d7b1e57d788f8dbacc87d90731e061160ba4f8e213ac52941d846cf53ab15299b9743f8bb0e6ea7725942d910a", @ANYRES16, @ANYRESOCT], 0x54}, 0x1, 0x0, 0x0, 0x4041}, 0x0) r4 = syz_mount_image$vfat(&(0x7f0000000900), &(0x7f0000000940)='./file0\x00', 0x200007, 0x3, &(0x7f0000000700)=[{&(0x7f0000000000)="eb3c906d8d6673fdd2617400028001000240000004f801", 0x17}, {&(0x7f0000001440)="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", 0x144, 0x601}, {0x0, 0x0, 0x5}], 0x800440, &(0x7f00000004c0)={[{@shortname_winnt}, {@fat=@gid}, {@iocharset={'iocharset', 0x3d, 'cp866'}}, {@fat=@fmask={'fmask', 0x3d, 0x1ff}}, {@rodir}, {@fat=@errors_remount}, {@shortname_win95}, {@uni_xlate}, {@uni_xlateno}, {@utf8}, {@uni_xlate}, {@utf8no}]}) sendmsg$IPSET_CMD_DEL(0xffffffffffffffff, &(0x7f0000000a80)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x200}, 0xc, &(0x7f0000000400)={&(0x7f00000008c0)=ANY=[@ANYRES64], 0x60}, 0x1, 0x0, 0x0, 0x8840}, 0x4040050) sendmsg$nl_route(0xffffffffffffffff, &(0x7f0000000980)={&(0x7f0000000440)={0x10, 0x0, 0x0, 0x10000000}, 0xc, &(0x7f0000000740)={&(0x7f0000000d00)=ANY=[@ANYBLOB="86f2407d8a204caf80b640e69a13fefeff6f0000042ba98cfcfccd470037369314427ebd70000000000000000000000000000000cdfb0fa21b95f8072c528f2858315775d7552e", @ANYRES32=0x0, @ANYBLOB="0c943d0559ff0600ff0000000c00018005000600c0000000100001800c00a03a03462081c7fc75d9ffffbf", @ANYRESDEC=r4, @ANYRES64], 0x40}, 0x1, 0x0, 0x0, 0x4008000}, 0x44040) sendmsg$DEVLINK_CMD_TRAP_POLICER_GET(0xffffffffffffffff, &(0x7f0000000780)={&(0x7f0000000480)={0x10, 0x0, 0x0, 0x1000}, 0xc, &(0x7f0000000680)={&(0x7f0000000f40)=ANY=[@ANYBLOB="dd82fa64e3415dc226d3ac622a8239db19850e5d1f97ad157d6e4d3b4b1eb09bbca07c99827fb7c132f6ded2b0753747f344067fa51608045c50c82cae8b9d8c5f9f", @ANYRESHEX, @ANYBLOB="000129bd7000fcdbdf35450900000001006e657464657673696d0000000f0002006e65746465ffffffffffffffff008e0001000000080029210ffe70f74135c6c84e95f601007063690011000200303030303a300008008e0000000000080001007063690011000200303030303a30303a31302e300000000408001700a1a628523064156e9f9c48c438c3489ada27a5332186e0618640bae922d4a91285d89e0cf8a2ec5e1bd9978ab6f6864f227aefb818605bb5faa903f2e69df3d3f06c95224bfd42e23b13a9b0ecf7e26eec4ccacef0f496c155b78af42fc33ec2a7e500"/233, @ANYRES16=r4, @ANYRESDEC, @ANYRESOCT, @ANYRES8], 0x84}, 0x1, 0x0, 0x0, 0x85}, 0x40000) sendmsg$nl_route(0xffffffffffffffff, &(0x7f0000000a00)={&(0x7f00000007c0)={0x10, 0x0, 0x0, 0x200000}, 0xc, &(0x7f0000000880)={&(0x7f0000000c00)=ANY=[@ANYBLOB="240000499a000400d7cfb9710f73c673000700ac1e0011000000000000000000000000005a381ff052b251", @ANYRES16, @ANYRESDEC, @ANYRES16, @ANYRES16, @ANYRESOCT], 0x24}, 0x1, 0x0, 0x0, 0x4044080}, 0x8080) close_range(0xffffffffffffffff, 0xffffffffffffffff, 0x2) sendto$inet6(r3, &(0x7f0000847fff)='X', 0x34000, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) 18:01:45 executing program 2: prctl$PR_SCHED_CORE(0x3e, 0x1, 0x0, 0x2, 0x0) syz_open_dev$sndmidi(&(0x7f0000000040), 0x2, 0x141101) write$6lowpan_enable(0xffffffffffffffff, &(0x7f0000000000)='0', 0xfffffd2c) syz_open_procfs(0x0, &(0x7f0000000080)='net/dev\x00') r0 = socket$inet6_sctp(0xa, 0x5, 0x84) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r0, 0x84, 0x9, &(0x7f0000000580)={0x0, @in={{0x2, 0x0, @empty}}, 0x0, 0x0, 0x3fc, 0x0, 0x32}, 0x9c) bind$packet(0xffffffffffffffff, &(0x7f0000000140)={0x11, 0xf0, 0x0, 0x1, 0x0, 0x6, @multicast}, 0x14) sendto$inet6(r0, &(0x7f0000847fff)='X', 0x34000, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) 18:01:45 executing program 0: prctl$PR_SCHED_CORE(0x3e, 0x1, 0x0, 0x2, 0x0) r0 = syz_open_dev$sndmidi(&(0x7f0000000040), 0x2, 0x141101) r1 = dup(r0) write$6lowpan_enable(r1, &(0x7f0000000000)='0', 0xfffffd2c) syz_open_procfs(0x0, &(0x7f0000000080)='net/dev\x00') r2 = socket$inet6_sctp(0xa, 0x5, 0x84) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r2, 0x84, 0x9, &(0x7f0000000580)={0x0, @in={{0x2, 0x0, @empty}}, 0x0, 0x0, 0x3fc, 0x0, 0x32}, 0x9c) sendto$inet6(r2, &(0x7f0000847fff)='X', 0x34000, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) [ 755.415273][T11304] loop5: detected capacity change from 0 to 4096 18:01:45 executing program 4: prctl$PR_SCHED_CORE(0x3e, 0x1, 0x0, 0x2, 0x0) syz_open_dev$sndmidi(&(0x7f0000000040), 0x2, 0x141101) write$6lowpan_enable(0xffffffffffffffff, &(0x7f0000000000)='0', 0xfffffd2c) syz_open_procfs(0x0, &(0x7f0000000080)='net/dev\x00') r0 = socket$inet6_sctp(0xa, 0x5, 0x84) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r0, 0x84, 0x9, &(0x7f0000000580)={0x0, @in={{0x2, 0x0, @empty}}, 0x0, 0x0, 0x3fc, 0x0, 0x32}, 0x9c) bind$packet(0xffffffffffffffff, &(0x7f0000000140)={0x11, 0xf0, 0x0, 0x1, 0x0, 0x6, @multicast}, 0x14) sendto$inet6(r0, &(0x7f0000847fff)='X', 0x34000, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) 18:01:45 executing program 2: prctl$PR_SCHED_CORE(0x3e, 0x1, 0x0, 0x2, 0x0) r0 = dup(0xffffffffffffffff) write$6lowpan_enable(r0, &(0x7f0000000000)='0', 0xfffffd2c) syz_open_procfs(0x0, &(0x7f0000000080)='net/dev\x00') r1 = socket$inet6_sctp(0xa, 0x5, 0x84) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r1, 0x84, 0x9, &(0x7f0000000580)={0x0, @in={{0x2, 0x0, @empty}}, 0x0, 0x0, 0x3fc, 0x0, 0x32}, 0x9c) bind$packet(0xffffffffffffffff, &(0x7f0000000140)={0x11, 0xf0, 0x0, 0x1, 0x0, 0x6, @multicast}, 0x14) sendto$inet6(r1, &(0x7f0000847fff)='X', 0x34000, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) 18:01:45 executing program 3: ioctl$SNDRV_CTL_IOCTL_RAWMIDI_NEXT_DEVICE(0xffffffffffffffff, 0xc1205531, 0xfffffffffffffffc) syz_genetlink_get_family_id$devlink(0x0, 0xffffffffffffffff) r0 = syz_mount_image$vfat(&(0x7f0000000900), &(0x7f0000000940)='./file0\x00', 0x200007, 0x2, &(0x7f0000000700)=[{&(0x7f0000000000)="eb3c906d8d6673fdd2617400028001000240000004f801", 0x17}, {&(0x7f0000001440)="57595a4b414c4c45522020085ac19f69b8f2b2b1ea1b86fe96df5eed1df1df001cc2de850f1fff00000000000000005effac2ac4c15e29fb3c18edfff8d198e312475ffa1d000000000000ad25822a17b17f463e104179c19c2a000000000000000031ddc0777df2ec4f62826086704d703da32c57364aed74cd748a178abcaf1180ad796d06c19dbfeab6d3ed941a1cacccf272186cd3ca10ff022a10965e82db34eb6d694a58a9989a416b163d4c4bc298081185914835b501f8a68095f4971f6ce1898a89338c7c085e24c6593256f2fc4816ce2f4ae05785f0098163b801f28941f7d343ae0400742251c5e613ce9f4ad9", 0xf3, 0x601}], 0x800440, &(0x7f00000004c0)={[{@shortname_winnt}, {@fat=@gid}, {@iocharset={'iocharset', 0x3d, 'cp866'}}, {@fat=@fmask={'fmask', 0x3d, 0x1ff}}, {@rodir}, {@fat=@errors_remount}, {@shortname_win95}, {@uni_xlate}, {@uni_xlateno}, {@utf8}, {@uni_xlate}, {@utf8no}]}) mknodat$loop(r0, &(0x7f0000000000)='./file0\x00', 0x100, 0x0) [ 755.637579][T11314] loop3: detected capacity change from 0 to 4096 18:01:45 executing program 2: prctl$PR_SCHED_CORE(0x3e, 0x1, 0x0, 0x2, 0x0) r0 = dup(0xffffffffffffffff) write$6lowpan_enable(r0, &(0x7f0000000000)='0', 0xfffffd2c) syz_open_procfs(0x0, &(0x7f0000000080)='net/dev\x00') r1 = socket$inet6_sctp(0xa, 0x5, 0x84) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r1, 0x84, 0x9, &(0x7f0000000580)={0x0, @in={{0x2, 0x0, @empty}}, 0x0, 0x0, 0x3fc, 0x0, 0x32}, 0x9c) bind$packet(0xffffffffffffffff, &(0x7f0000000140)={0x11, 0xf0, 0x0, 0x1, 0x0, 0x6, @multicast}, 0x14) sendto$inet6(r1, &(0x7f0000847fff)='X', 0x34000, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) [ 755.690584][T10795] I/O error, dev loop3, sector 0 op 0x0:(READ) flags 0x0 phys_seg 1 prio class 2 18:01:45 executing program 4: r0 = syz_mount_image$vfat(&(0x7f0000000900), &(0x7f0000000940)='./file0\x00', 0x0, 0x2, &(0x7f0000000700)=[{&(0x7f0000000000)="eb3c906d8d6673fdd2617400028001000240000004f801", 0x17}, {&(0x7f0000001440)="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", 0x144, 0x601}], 0x800440, &(0x7f00000004c0)={[{@shortname_winnt}, {@fat=@gid}, {@iocharset={'iocharset', 0x3d, 'cp866'}}, {@fat=@fmask={'fmask', 0x3d, 0x1ff}}, {@rodir}, {@fat=@errors_remount}, {@shortname_win95}, {@uni_xlate}, {@uni_xlateno}, {@utf8}, {@uni_xlate}, {@utf8no}]}) mknodat$loop(r0, &(0x7f0000000000)='./file0\x00', 0x100, 0x0) [ 755.742070][T10795] Buffer I/O error on dev loop3, logical block 0, async page read 18:01:45 executing program 1: prctl$PR_SCHED_CORE(0x3e, 0x1, 0x0, 0x2, 0x0) r0 = syz_open_dev$sndmidi(&(0x7f0000000040), 0x2, 0x141101) r1 = dup(r0) write$6lowpan_enable(r1, &(0x7f0000000000)='0', 0xfffffd2c) syz_open_procfs(0x0, 0x0) r2 = socket$inet6_sctp(0xa, 0x5, 0x84) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r2, 0x84, 0x9, &(0x7f0000000580)={0x0, @in={{0x2, 0x0, @empty}}, 0x0, 0x0, 0x3fc, 0x0, 0x32}, 0x9c) bind$packet(0xffffffffffffffff, &(0x7f0000000140)={0x11, 0xf0, 0x0, 0x1, 0x0, 0x6, @multicast}, 0x14) sendto$inet6(r2, &(0x7f0000847fff)='X', 0x34000, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) 18:01:45 executing program 3: prctl$PR_SCHED_CORE(0x3e, 0x1, 0x0, 0x2, 0x0) r0 = syz_open_dev$sndmidi(&(0x7f0000000040), 0x2, 0x141101) r1 = dup(r0) write$6lowpan_enable(r1, &(0x7f0000000000)='0', 0xfffffd2c) syz_open_procfs(0x0, 0x0) r2 = socket$inet6_sctp(0xa, 0x5, 0x84) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r2, 0x84, 0x9, &(0x7f0000000580)={0x0, @in={{0x2, 0x0, @empty}}, 0x0, 0x0, 0x3fc, 0x0, 0x32}, 0x9c) bind$packet(0xffffffffffffffff, &(0x7f0000000140)={0x11, 0xf0, 0x0, 0x1, 0x0, 0x6, @multicast}, 0x14) sendto$inet6(r2, &(0x7f0000847fff)='X', 0x34000, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) [ 755.868936][T10795] loop3: unable to read partition table [ 755.892508][T11320] loop4: detected capacity change from 0 to 6 18:01:45 executing program 2: prctl$PR_SCHED_CORE(0x3e, 0x1, 0x0, 0x2, 0x0) r0 = dup(0xffffffffffffffff) write$6lowpan_enable(r0, &(0x7f0000000000)='0', 0xfffffd2c) syz_open_procfs(0x0, &(0x7f0000000080)='net/dev\x00') r1 = socket$inet6_sctp(0xa, 0x5, 0x84) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r1, 0x84, 0x9, &(0x7f0000000580)={0x0, @in={{0x2, 0x0, @empty}}, 0x0, 0x0, 0x3fc, 0x0, 0x32}, 0x9c) bind$packet(0xffffffffffffffff, &(0x7f0000000140)={0x11, 0xf0, 0x0, 0x1, 0x0, 0x6, @multicast}, 0x14) sendto$inet6(r1, &(0x7f0000847fff)='X', 0x34000, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) [ 755.982259][T11320] Dev loop4: unable to read RDB block 6 [ 756.046043][T11320] loop4: unable to read partition table [ 756.112856][T11320] loop4: partition table beyond EOD, truncated 18:01:46 executing program 2: r0 = syz_open_dev$sndmidi(&(0x7f0000000040), 0x2, 0x141101) r1 = dup(r0) write$6lowpan_enable(r1, &(0x7f0000000000)='0', 0xfffffd2c) syz_open_procfs(0x0, &(0x7f0000000080)='net/dev\x00') r2 = socket$inet6_sctp(0xa, 0x5, 0x84) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r2, 0x84, 0x9, &(0x7f0000000580)={0x0, @in={{0x2, 0x0, @empty}}, 0x0, 0x0, 0x3fc, 0x0, 0x32}, 0x9c) bind$packet(0xffffffffffffffff, &(0x7f0000000140)={0x11, 0xf0, 0x0, 0x1, 0x0, 0x6, @multicast}, 0x14) sendto$inet6(r2, &(0x7f0000847fff)='X', 0x34000, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) [ 756.199832][T11320] FAT-fs (loop4): Directory bread(block 6) failed 18:01:46 executing program 4: prctl$PR_SCHED_CORE(0x3e, 0x1, 0x0, 0x2, 0x0) r0 = syz_open_dev$sndmidi(&(0x7f0000000040), 0x2, 0x141101) r1 = dup(r0) write$6lowpan_enable(r1, &(0x7f0000000000)='0', 0xfffffd2c) r2 = getpid() tkill(r2, 0x0) syz_open_procfs(r2, &(0x7f0000000080)='net/dev\x00') r3 = socket$inet6_sctp(0xa, 0x5, 0x84) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r3, 0x84, 0x9, &(0x7f0000000580)={0x0, @in={{0x2, 0x0, @empty}}, 0x0, 0x0, 0x3fc, 0x0, 0x32}, 0x9c) bind$inet6(r3, &(0x7f00004b8fe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) sendmsg$BATADV_CMD_GET_BLA_BACKBONE(0xffffffffffffffff, &(0x7f0000000240)={&(0x7f00000003c0)={0x10, 0x0, 0x0, 0x40000000}, 0xc, &(0x7f0000000580)={&(0x7f0000000ac0)=ANY=[@ANYBLOB="75b9609d35b13765f535640b1647adc8d4528d7dcb5ecd49ae55d43d3b97ecb1655aa6d8fee6b424e0505947a242cbd17bb07e95b202fc3c205cdbe6a8f96871306ae8b68ac958053ac4db38ca0dc66bbffd0930941f68eeb164059f458da7acaa5be83249f1180500a3884f69053123e3ce572b9b117c90fe0a17097d317242", @ANYRES32, @ANYRES64, @ANYRESOCT, @ANYBLOB="08003c0000080000ffa459f4d55ea7e660d27ca685e5ff2d0008000000080006003a47559364f7aad7844855eeb6e6d7b1e57d788f8dbacc87d90731e061160ba4f8e213ac52941d846cf53ab15299b9743f8bb0e6ea7725942d910a", @ANYRES16, @ANYRESOCT], 0x54}, 0x1, 0x0, 0x0, 0x4041}, 0x0) r4 = syz_mount_image$vfat(&(0x7f0000000900), &(0x7f0000000940)='./file0\x00', 0x200007, 0x3, &(0x7f0000000700)=[{&(0x7f0000000000)="eb3c906d8d6673fdd2617400028001000240000004f801", 0x17}, {&(0x7f0000001440)="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", 0x144, 0x601}, {0x0, 0x0, 0x5}], 0x800440, &(0x7f00000004c0)={[{@shortname_winnt}, {@fat=@gid}, {@iocharset={'iocharset', 0x3d, 'cp866'}}, {@fat=@fmask={'fmask', 0x3d, 0x1ff}}, {@rodir}, {@fat=@errors_remount}, {@shortname_win95}, {@uni_xlate}, {@uni_xlateno}, {@utf8}, {@uni_xlate}, {@utf8no}]}) sendmsg$IPSET_CMD_DEL(0xffffffffffffffff, &(0x7f0000000a80)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x200}, 0xc, &(0x7f0000000400)={&(0x7f00000008c0)=ANY=[@ANYRES64], 0x60}, 0x1, 0x0, 0x0, 0x8840}, 0x4040050) sendmsg$nl_route(0xffffffffffffffff, &(0x7f0000000980)={&(0x7f0000000440)={0x10, 0x0, 0x0, 0x10000000}, 0xc, &(0x7f0000000740)={&(0x7f0000000d00)=ANY=[@ANYBLOB="86f2407d8a204caf80b640e69a13fefeff6f0000042ba98cfcfccd470037369314427ebd70000000000000000000000000000000cdfb0fa21b95f8072c528f2858315775d7552e", @ANYRES32=0x0, @ANYBLOB="0c943d0559ff0600ff0000000c00018005000600c0000000100001800c00a03a03462081c7fc75d9ffffbf", @ANYRESDEC=r4, @ANYRES64], 0x40}, 0x1, 0x0, 0x0, 0x4008000}, 0x44040) sendmsg$DEVLINK_CMD_TRAP_POLICER_GET(0xffffffffffffffff, &(0x7f0000000780)={&(0x7f0000000480)={0x10, 0x0, 0x0, 0x1000}, 0xc, &(0x7f0000000680)={&(0x7f0000000f40)=ANY=[@ANYBLOB="dd82fa64e3415dc226d3ac622a8239db19850e5d1f97ad157d6e4d3b4b1eb09bbca07c99827fb7c132f6ded2b0753747f344067fa51608045c50c82cae8b9d8c5f9f", @ANYRESHEX, @ANYBLOB="000129bd7000fcdbdf35450900000001006e657464657673696d0000000f0002006e65746465ffffffffffffffff008e0001000000080029210ffe70f74135c6c84e95f601007063690011000200303030303a300008008e0000000000080001007063690011000200303030303a30303a31302e300000000408001700a1a628523064156e9f9c48c438c3489ada27a5332186e0618640bae922d4a91285d89e0cf8a2ec5e1bd9978ab6f6864f227aefb818605bb5faa903f2e69df3d3f06c95224bfd42e23b13a9b0ecf7e26eec4ccacef0f496c155b78af42fc33ec2a7e500"/233, @ANYRES16=r4, @ANYRESDEC, @ANYRESOCT, @ANYRES8], 0x84}, 0x1, 0x0, 0x0, 0x85}, 0x40000) sendmsg$nl_route(0xffffffffffffffff, &(0x7f0000000a00)={&(0x7f00000007c0)={0x10, 0x0, 0x0, 0x200000}, 0xc, &(0x7f0000000880)={&(0x7f0000000c00)=ANY=[@ANYBLOB="240000499a000400d7cfb9710f73c673000700ac1e0011000000000000000000000000005a381ff052b251", @ANYRES16, @ANYRESDEC, @ANYRES16, @ANYRES16, @ANYRESOCT], 0x24}, 0x1, 0x0, 0x0, 0x4044080}, 0x8080) close_range(0xffffffffffffffff, 0xffffffffffffffff, 0x2) sendto$inet6(r3, &(0x7f0000847fff)='X', 0x34000, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) 18:01:46 executing program 0: prctl$PR_SCHED_CORE(0x3e, 0x1, 0x0, 0x2, 0x0) r0 = syz_open_dev$sndmidi(&(0x7f0000000040), 0x2, 0x141101) r1 = dup(r0) write$6lowpan_enable(r1, &(0x7f0000000000)='0', 0xfffffd2c) syz_open_procfs(0x0, &(0x7f0000000080)='net/dev\x00') r2 = socket$inet6_sctp(0xa, 0x5, 0x84) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r2, 0x84, 0x9, &(0x7f0000000580)={0x0, @in={{0x2, 0x0, @empty}}, 0x0, 0x0, 0x3fc, 0x0, 0x32}, 0x9c) sendto$inet6(r2, &(0x7f0000847fff)='X', 0x34000, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) 18:01:46 executing program 5: prctl$PR_SCHED_CORE(0x3e, 0x1, 0x0, 0x2, 0x0) r0 = syz_open_dev$sndmidi(&(0x7f0000000040), 0x2, 0x141101) r1 = dup(r0) write$6lowpan_enable(r1, &(0x7f0000000000)='0', 0xfffffd2c) r2 = getpid() tkill(r2, 0x0) syz_open_procfs(r2, &(0x7f0000000080)='net/dev\x00') r3 = socket$inet6_sctp(0xa, 0x5, 0x84) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r3, 0x84, 0x9, &(0x7f0000000580)={0x0, @in={{0x2, 0x0, @empty}}, 0x0, 0x0, 0x3fc, 0x0, 0x32}, 0x9c) bind$inet6(r3, &(0x7f00004b8fe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) sendmsg$BATADV_CMD_GET_BLA_BACKBONE(0xffffffffffffffff, &(0x7f0000000240)={&(0x7f00000003c0)={0x10, 0x0, 0x0, 0x40000000}, 0xc, &(0x7f0000000580)={&(0x7f0000000ac0)=ANY=[@ANYBLOB="75b9609d35b13765f535640b1647adc8d4528d7dcb5ecd49ae55d43d3b97ecb1655aa6d8fee6b424e0505947a242cbd17bb07e95b202fc3c205cdbe6a8f96871306ae8b68ac958053ac4db38ca0dc66bbffd0930941f68eeb164059f458da7acaa5be83249f1180500a3884f69053123e3ce572b9b117c90fe0a17097d317242", @ANYRES32, @ANYRES64, @ANYRESOCT, @ANYBLOB="08003c0000080000ffa459f4d55ea7e660d27ca685e5ff2d0008000000080006003a47559364f7aad7844855eeb6e6d7b1e57d788f8dbacc87d90731e061160ba4f8e213ac52941d846cf53ab15299b9743f8bb0e6ea7725942d910a", @ANYRES16, @ANYRESOCT], 0x54}, 0x1, 0x0, 0x0, 0x4041}, 0x0) r4 = syz_mount_image$vfat(&(0x7f0000000900), &(0x7f0000000940)='./file0\x00', 0x200007, 0x3, &(0x7f0000000700)=[{&(0x7f0000000000)="eb3c906d8d6673fdd2617400028001000240000004f801", 0x17}, {&(0x7f0000001440)="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", 0x144, 0x601}, {0x0, 0x0, 0x5}], 0x800440, &(0x7f00000004c0)={[{@shortname_winnt}, {@fat=@gid}, {@iocharset={'iocharset', 0x3d, 'cp866'}}, {@fat=@fmask={'fmask', 0x3d, 0x1ff}}, {@rodir}, {@fat=@errors_remount}, {@shortname_win95}, {@uni_xlate}, {@uni_xlateno}, {@utf8}, {@uni_xlate}, {@utf8no}]}) sendmsg$IPSET_CMD_DEL(0xffffffffffffffff, &(0x7f0000000a80)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x200}, 0xc, &(0x7f0000000400)={&(0x7f00000008c0)=ANY=[@ANYRES64], 0x60}, 0x1, 0x0, 0x0, 0x8840}, 0x4040050) sendmsg$nl_route(0xffffffffffffffff, &(0x7f0000000980)={&(0x7f0000000440)={0x10, 0x0, 0x0, 0x10000000}, 0xc, &(0x7f0000000740)={&(0x7f0000000d00)=ANY=[@ANYBLOB="86f2407d8a204caf80b640e69a13fefeff6f0000042ba98cfcfccd470037369314427ebd70000000000000000000000000000000cdfb0fa21b95f8072c528f2858315775d7552e", @ANYRES32=0x0, @ANYBLOB="0c943d0559ff0600ff0000000c00018005000600c0000000100001800c00a03a03462081c7fc75d9ffffbf", @ANYRESDEC=r4, @ANYRES64], 0x40}, 0x1, 0x0, 0x0, 0x4008000}, 0x44040) sendmsg$DEVLINK_CMD_TRAP_POLICER_GET(0xffffffffffffffff, &(0x7f0000000780)={&(0x7f0000000480)={0x10, 0x0, 0x0, 0x1000}, 0xc, &(0x7f0000000680)={&(0x7f0000000f40)=ANY=[@ANYBLOB="dd82fa64e3415dc226d3ac622a8239db19850e5d1f97ad157d6e4d3b4b1eb09bbca07c99827fb7c132f6ded2b0753747f344067fa51608045c50c82cae8b9d8c5f9f", @ANYRESHEX, @ANYBLOB="000129bd7000fcdbdf35450900000001006e657464657673696d0000000f0002006e65746465ffffffffffffffff008e0001000000080029210ffe70f74135c6c84e95f601007063690011000200303030303a300008008e0000000000080001007063690011000200303030303a30303a31302e300000000408001700a1a628523064156e9f9c48c438c3489ada27a5332186e0618640bae922d4a91285d89e0cf8a2ec5e1bd9978ab6f6864f227aefb818605bb5faa903f2e69df3d3f06c95224bfd42e23b13a9b0ecf7e26eec4ccacef0f496c155b78af42fc33ec2a7e500"/233, @ANYRES16=r4, @ANYRESDEC, @ANYRESOCT, @ANYRES8], 0x84}, 0x1, 0x0, 0x0, 0x85}, 0x40000) sendmsg$nl_route(0xffffffffffffffff, &(0x7f0000000a00)={&(0x7f00000007c0)={0x10, 0x0, 0x0, 0x200000}, 0xc, &(0x7f0000000880)={&(0x7f0000000c00)=ANY=[@ANYBLOB="240000499a000400d7cfb9710f73c673000700ac1e0011000000000000000000000000005a381ff052b251", @ANYRES16, @ANYRESDEC, @ANYRES16, @ANYRES16, @ANYRESOCT], 0x24}, 0x1, 0x0, 0x0, 0x4044080}, 0x8080) close_range(0xffffffffffffffff, 0xffffffffffffffff, 0x2) sendto$inet6(r3, &(0x7f0000847fff)='X', 0x34000, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) 18:01:46 executing program 1: prctl$PR_SCHED_CORE(0x3e, 0x1, 0x0, 0x2, 0x0) r0 = syz_open_dev$sndmidi(&(0x7f0000000040), 0x2, 0x141101) r1 = dup(r0) write$6lowpan_enable(r1, &(0x7f0000000000)='0', 0xfffffd2c) syz_open_procfs(0x0, &(0x7f0000000080)='net/dev\x00') r2 = socket$inet6_sctp(0xa, 0x0, 0x84) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r2, 0x84, 0x9, &(0x7f0000000580)={0x0, @in={{0x2, 0x0, @empty}}, 0x0, 0x0, 0x3fc, 0x0, 0x32}, 0x9c) bind$packet(0xffffffffffffffff, &(0x7f0000000140)={0x11, 0xf0, 0x0, 0x1, 0x0, 0x6, @multicast}, 0x14) sendto$inet6(r2, &(0x7f0000847fff)='X', 0x34000, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) [ 756.710257][T11336] loop4: detected capacity change from 0 to 4096 [ 756.736280][T11340] loop5: detected capacity change from 0 to 4096 18:01:47 executing program 2: r0 = syz_open_dev$sndmidi(&(0x7f0000000040), 0x2, 0x141101) r1 = dup(r0) write$6lowpan_enable(r1, &(0x7f0000000000)='0', 0xfffffd2c) syz_open_procfs(0x0, &(0x7f0000000080)='net/dev\x00') r2 = socket$inet6_sctp(0xa, 0x5, 0x84) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r2, 0x84, 0x9, &(0x7f0000000580)={0x0, @in={{0x2, 0x0, @empty}}, 0x0, 0x0, 0x3fc, 0x0, 0x32}, 0x9c) bind$packet(0xffffffffffffffff, &(0x7f0000000140)={0x11, 0xf0, 0x0, 0x1, 0x0, 0x6, @multicast}, 0x14) sendto$inet6(r2, &(0x7f0000847fff)='X', 0x34000, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) 18:01:47 executing program 3: prctl$PR_SCHED_CORE(0x3e, 0x1, 0x0, 0x2, 0x0) r0 = syz_open_dev$sndmidi(&(0x7f0000000040), 0x2, 0x141101) r1 = dup(r0) write$6lowpan_enable(r1, &(0x7f0000000000)='0', 0xfffffd2c) syz_open_procfs(0x0, 0x0) r2 = socket$inet6_sctp(0xa, 0x5, 0x84) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r2, 0x84, 0x9, &(0x7f0000000580)={0x0, @in={{0x2, 0x0, @empty}}, 0x0, 0x0, 0x3fc, 0x0, 0x32}, 0x9c) bind$packet(0xffffffffffffffff, &(0x7f0000000140)={0x11, 0xf0, 0x0, 0x1, 0x0, 0x6, @multicast}, 0x14) sendto$inet6(r2, &(0x7f0000847fff)='X', 0x34000, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) 18:01:47 executing program 0: prctl$PR_SCHED_CORE(0x3e, 0x1, 0x0, 0x2, 0x0) r0 = syz_open_dev$sndmidi(&(0x7f0000000040), 0x2, 0x141101) r1 = dup(r0) write$6lowpan_enable(r1, &(0x7f0000000000)='0', 0xfffffd2c) syz_open_procfs(0x0, &(0x7f0000000080)='net/dev\x00') r2 = socket$inet6_sctp(0xa, 0x5, 0x84) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r2, 0x84, 0x9, &(0x7f0000000580)={0x0, @in={{0x2, 0x0, @empty}}, 0x0, 0x0, 0x3fc, 0x0, 0x32}, 0x9c) sendto$inet6(r2, &(0x7f0000847fff)='X', 0x34000, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) 18:01:47 executing program 1: prctl$PR_SCHED_CORE(0x3e, 0x1, 0x0, 0x2, 0x0) r0 = syz_open_dev$sndmidi(&(0x7f0000000040), 0x2, 0x141101) r1 = dup(r0) write$6lowpan_enable(r1, &(0x7f0000000000)='0', 0xfffffd2c) syz_open_procfs(0x0, &(0x7f0000000080)='net/dev\x00') r2 = socket$inet6_sctp(0xa, 0x0, 0x84) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r2, 0x84, 0x9, &(0x7f0000000580)={0x0, @in={{0x2, 0x0, @empty}}, 0x0, 0x0, 0x3fc, 0x0, 0x32}, 0x9c) bind$packet(0xffffffffffffffff, &(0x7f0000000140)={0x11, 0xf0, 0x0, 0x1, 0x0, 0x6, @multicast}, 0x14) sendto$inet6(r2, &(0x7f0000847fff)='X', 0x34000, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) 18:01:48 executing program 5: prctl$PR_SCHED_CORE(0x3e, 0x1, 0x0, 0x2, 0x0) r0 = syz_open_dev$sndmidi(&(0x7f0000000040), 0x2, 0x141101) r1 = dup(r0) write$6lowpan_enable(r1, &(0x7f0000000000)='0', 0xfffffd2c) syz_open_procfs(0x0, 0x0) r2 = socket$inet6_sctp(0xa, 0x5, 0x84) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r2, 0x84, 0x9, &(0x7f0000000580)={0x0, @in={{0x2, 0x0, @empty}}, 0x0, 0x0, 0x3fc, 0x0, 0x32}, 0x9c) bind$packet(0xffffffffffffffff, &(0x7f0000000140)={0x11, 0xf0, 0x0, 0x1, 0x0, 0x6, @multicast}, 0x14) sendto$inet6(r2, &(0x7f0000847fff)='X', 0x34000, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) 18:01:48 executing program 4: prctl$PR_SCHED_CORE(0x3e, 0x1, 0x0, 0x2, 0x0) r0 = syz_open_dev$sndmidi(&(0x7f0000000040), 0x2, 0x141101) r1 = dup(r0) write$6lowpan_enable(r1, &(0x7f0000000000)='0', 0xfffffd2c) r2 = getpid() tkill(r2, 0x0) syz_open_procfs(r2, &(0x7f0000000080)='net/dev\x00') r3 = socket$inet6_sctp(0xa, 0x5, 0x84) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r3, 0x84, 0x9, &(0x7f0000000580)={0x0, @in={{0x2, 0x0, @empty}}, 0x0, 0x0, 0x3fc, 0x0, 0x32}, 0x9c) bind$inet6(r3, &(0x7f00004b8fe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) sendmsg$BATADV_CMD_GET_BLA_BACKBONE(0xffffffffffffffff, &(0x7f0000000240)={&(0x7f00000003c0)={0x10, 0x0, 0x0, 0x40000000}, 0xc, &(0x7f0000000580)={&(0x7f0000000ac0)=ANY=[@ANYBLOB="75b9609d35b13765f535640b1647adc8d4528d7dcb5ecd49ae55d43d3b97ecb1655aa6d8fee6b424e0505947a242cbd17bb07e95b202fc3c205cdbe6a8f96871306ae8b68ac958053ac4db38ca0dc66bbffd0930941f68eeb164059f458da7acaa5be83249f1180500a3884f69053123e3ce572b9b117c90fe0a17097d317242", @ANYRES32, @ANYRES64, @ANYRESOCT, @ANYBLOB="08003c0000080000ffa459f4d55ea7e660d27ca685e5ff2d0008000000080006003a47559364f7aad7844855eeb6e6d7b1e57d788f8dbacc87d90731e061160ba4f8e213ac52941d846cf53ab15299b9743f8bb0e6ea7725942d910a", @ANYRES16, @ANYRESOCT], 0x54}, 0x1, 0x0, 0x0, 0x4041}, 0x0) r4 = syz_mount_image$vfat(&(0x7f0000000900), &(0x7f0000000940)='./file0\x00', 0x200007, 0x3, &(0x7f0000000700)=[{&(0x7f0000000000)="eb3c906d8d6673fdd2617400028001000240000004f801", 0x17}, {&(0x7f0000001440)="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", 0x144, 0x601}, {0x0, 0x0, 0x5}], 0x800440, &(0x7f00000004c0)={[{@shortname_winnt}, {@fat=@gid}, {@iocharset={'iocharset', 0x3d, 'cp866'}}, {@fat=@fmask={'fmask', 0x3d, 0x1ff}}, {@rodir}, {@fat=@errors_remount}, {@shortname_win95}, {@uni_xlate}, {@uni_xlateno}, {@utf8}, {@uni_xlate}, {@utf8no}]}) sendmsg$IPSET_CMD_DEL(0xffffffffffffffff, &(0x7f0000000a80)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x200}, 0xc, &(0x7f0000000400)={&(0x7f00000008c0)=ANY=[@ANYRES64], 0x60}, 0x1, 0x0, 0x0, 0x8840}, 0x4040050) sendmsg$nl_route(0xffffffffffffffff, &(0x7f0000000980)={&(0x7f0000000440)={0x10, 0x0, 0x0, 0x10000000}, 0xc, &(0x7f0000000740)={&(0x7f0000000d00)=ANY=[@ANYBLOB="86f2407d8a204caf80b640e69a13fefeff6f0000042ba98cfcfccd470037369314427ebd70000000000000000000000000000000cdfb0fa21b95f8072c528f2858315775d7552e", @ANYRES32=0x0, @ANYBLOB="0c943d0559ff0600ff0000000c00018005000600c0000000100001800c00a03a03462081c7fc75d9ffffbf", @ANYRESDEC=r4, @ANYRES64], 0x40}, 0x1, 0x0, 0x0, 0x4008000}, 0x44040) sendmsg$DEVLINK_CMD_TRAP_POLICER_GET(0xffffffffffffffff, &(0x7f0000000780)={&(0x7f0000000480)={0x10, 0x0, 0x0, 0x1000}, 0xc, &(0x7f0000000680)={&(0x7f0000000f40)=ANY=[@ANYBLOB="dd82fa64e3415dc226d3ac622a8239db19850e5d1f97ad157d6e4d3b4b1eb09bbca07c99827fb7c132f6ded2b0753747f344067fa51608045c50c82cae8b9d8c5f9f", @ANYRESHEX, @ANYBLOB="000129bd7000fcdbdf35450900000001006e657464657673696d0000000f0002006e65746465ffffffffffffffff008e0001000000080029210ffe70f74135c6c84e95f601007063690011000200303030303a300008008e0000000000080001007063690011000200303030303a30303a31302e300000000408001700a1a628523064156e9f9c48c438c3489ada27a5332186e0618640bae922d4a91285d89e0cf8a2ec5e1bd9978ab6f6864f227aefb818605bb5faa903f2e69df3d3f06c95224bfd42e23b13a9b0ecf7e26eec4ccacef0f496c155b78af42fc33ec2a7e500"/233, @ANYRES16=r4, @ANYRESDEC, @ANYRESOCT, @ANYRES8], 0x84}, 0x1, 0x0, 0x0, 0x85}, 0x40000) sendmsg$nl_route(0xffffffffffffffff, &(0x7f0000000a00)={&(0x7f00000007c0)={0x10, 0x0, 0x0, 0x200000}, 0xc, &(0x7f0000000880)={&(0x7f0000000c00)=ANY=[@ANYBLOB="240000499a000400d7cfb9710f73c673000700ac1e0011000000000000000000000000005a381ff052b251", @ANYRES16, @ANYRESDEC, @ANYRES16, @ANYRES16, @ANYRESOCT], 0x24}, 0x1, 0x0, 0x0, 0x4044080}, 0x8080) close_range(0xffffffffffffffff, 0xffffffffffffffff, 0x2) sendto$inet6(r3, &(0x7f0000847fff)='X', 0x34000, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) 18:01:48 executing program 2: r0 = syz_open_dev$sndmidi(&(0x7f0000000040), 0x2, 0x141101) r1 = dup(r0) write$6lowpan_enable(r1, &(0x7f0000000000)='0', 0xfffffd2c) syz_open_procfs(0x0, &(0x7f0000000080)='net/dev\x00') r2 = socket$inet6_sctp(0xa, 0x5, 0x84) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r2, 0x84, 0x9, &(0x7f0000000580)={0x0, @in={{0x2, 0x0, @empty}}, 0x0, 0x0, 0x3fc, 0x0, 0x32}, 0x9c) bind$packet(0xffffffffffffffff, &(0x7f0000000140)={0x11, 0xf0, 0x0, 0x1, 0x0, 0x6, @multicast}, 0x14) sendto$inet6(r2, &(0x7f0000847fff)='X', 0x34000, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) 18:01:48 executing program 0: prctl$PR_SCHED_CORE(0x3e, 0x1, 0x0, 0x2, 0x0) r0 = syz_open_dev$sndmidi(&(0x7f0000000040), 0x2, 0x141101) r1 = dup(r0) write$6lowpan_enable(r1, &(0x7f0000000000)='0', 0xfffffd2c) syz_open_procfs(0x0, &(0x7f0000000080)='net/dev\x00') r2 = socket$inet6_sctp(0xa, 0x5, 0x84) bind$packet(0xffffffffffffffff, &(0x7f0000000140)={0x11, 0xf0, 0x0, 0x1, 0x0, 0x6, @multicast}, 0x14) sendto$inet6(r2, &(0x7f0000847fff)='X', 0x34000, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) [ 758.489105][T11371] loop4: detected capacity change from 0 to 4096 18:01:48 executing program 1: prctl$PR_SCHED_CORE(0x3e, 0x1, 0x0, 0x2, 0x0) r0 = syz_open_dev$sndmidi(&(0x7f0000000040), 0x2, 0x141101) r1 = dup(r0) write$6lowpan_enable(r1, &(0x7f0000000000)='0', 0xfffffd2c) syz_open_procfs(0x0, &(0x7f0000000080)='net/dev\x00') r2 = socket$inet6_sctp(0xa, 0x0, 0x84) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r2, 0x84, 0x9, &(0x7f0000000580)={0x0, @in={{0x2, 0x0, @empty}}, 0x0, 0x0, 0x3fc, 0x0, 0x32}, 0x9c) bind$packet(0xffffffffffffffff, &(0x7f0000000140)={0x11, 0xf0, 0x0, 0x1, 0x0, 0x6, @multicast}, 0x14) sendto$inet6(r2, &(0x7f0000847fff)='X', 0x34000, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) 18:01:48 executing program 3: prctl$PR_SCHED_CORE(0x3e, 0x1, 0x0, 0x2, 0x0) r0 = syz_open_dev$sndmidi(&(0x7f0000000040), 0x2, 0x141101) r1 = dup(r0) write$6lowpan_enable(r1, &(0x7f0000000000)='0', 0xfffffd2c) syz_open_procfs(0x0, 0x0) r2 = socket$inet6_sctp(0xa, 0x5, 0x84) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r2, 0x84, 0x9, &(0x7f0000000580)={0x0, @in={{0x2, 0x0, @empty}}, 0x0, 0x0, 0x3fc, 0x0, 0x32}, 0x9c) bind$packet(0xffffffffffffffff, &(0x7f0000000140)={0x11, 0xf0, 0x0, 0x1, 0x0, 0x6, @multicast}, 0x14) sendto$inet6(r2, &(0x7f0000847fff)='X', 0x34000, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) 18:01:49 executing program 2: prctl$PR_SCHED_CORE(0x3e, 0x0, 0x0, 0x2, 0x0) r0 = syz_open_dev$sndmidi(&(0x7f0000000040), 0x2, 0x141101) r1 = dup(r0) write$6lowpan_enable(r1, &(0x7f0000000000)='0', 0xfffffd2c) syz_open_procfs(0x0, &(0x7f0000000080)='net/dev\x00') r2 = socket$inet6_sctp(0xa, 0x5, 0x84) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r2, 0x84, 0x9, &(0x7f0000000580)={0x0, @in={{0x2, 0x0, @empty}}, 0x0, 0x0, 0x3fc, 0x0, 0x32}, 0x9c) bind$packet(0xffffffffffffffff, &(0x7f0000000140)={0x11, 0xf0, 0x0, 0x1, 0x0, 0x6, @multicast}, 0x14) sendto$inet6(r2, &(0x7f0000847fff)='X', 0x34000, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) 18:01:49 executing program 5: r0 = syz_open_dev$sndmidi(&(0x7f0000000040), 0x2, 0x141101) r1 = dup(r0) write$6lowpan_enable(r1, &(0x7f0000000000)='0', 0xfffffd2c) syz_open_procfs(0x0, &(0x7f0000000080)='net/dev\x00') r2 = socket$inet6_sctp(0xa, 0x5, 0x84) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r2, 0x84, 0x9, &(0x7f0000000580)={0x0, @in={{0x2, 0x0, @empty}}, 0x0, 0x0, 0x3fc, 0x0, 0x32}, 0x9c) bind$packet(0xffffffffffffffff, &(0x7f0000000140)={0x11, 0xf0, 0x0, 0x1, 0x0, 0x6, @multicast}, 0x14) sendto$inet6(r2, &(0x7f0000847fff)='X', 0x34000, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) 18:01:49 executing program 0: prctl$PR_SCHED_CORE(0x3e, 0x1, 0x0, 0x2, 0x0) r0 = syz_open_dev$sndmidi(&(0x7f0000000040), 0x2, 0x141101) r1 = dup(r0) write$6lowpan_enable(r1, &(0x7f0000000000)='0', 0xfffffd2c) syz_open_procfs(0x0, &(0x7f0000000080)='net/dev\x00') r2 = socket$inet6_sctp(0xa, 0x5, 0x84) bind$packet(0xffffffffffffffff, &(0x7f0000000140)={0x11, 0xf0, 0x0, 0x1, 0x0, 0x6, @multicast}, 0x14) sendto$inet6(r2, &(0x7f0000847fff)='X', 0x34000, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) 18:01:49 executing program 1: prctl$PR_SCHED_CORE(0x3e, 0x1, 0x0, 0x2, 0x0) r0 = syz_open_dev$sndmidi(&(0x7f0000000040), 0x2, 0x141101) r1 = dup(r0) write$6lowpan_enable(r1, &(0x7f0000000000)='0', 0xfffffd2c) syz_open_procfs(0x0, &(0x7f0000000080)='net/dev\x00') r2 = socket$inet6_sctp(0xa, 0x5, 0x84) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(0xffffffffffffffff, 0x84, 0x9, &(0x7f0000000580)={0x0, @in={{0x2, 0x0, @empty}}, 0x0, 0x0, 0x3fc, 0x0, 0x32}, 0x9c) bind$packet(0xffffffffffffffff, &(0x7f0000000140)={0x11, 0xf0, 0x0, 0x1, 0x0, 0x6, @multicast}, 0x14) sendto$inet6(r2, &(0x7f0000847fff)='X', 0x34000, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) 18:01:49 executing program 4: prctl$PR_SCHED_CORE(0x3e, 0x1, 0x0, 0x2, 0x0) r0 = syz_open_dev$sndmidi(&(0x7f0000000040), 0x2, 0x141101) r1 = dup(r0) write$6lowpan_enable(r1, &(0x7f0000000000)='0', 0xfffffd2c) syz_open_procfs(0x0, &(0x7f0000000080)='net/dev\x00') r2 = socket$inet6_sctp(0xa, 0x5, 0x84) bind$packet(0xffffffffffffffff, &(0x7f0000000140)={0x11, 0xf0, 0x0, 0x1, 0x0, 0x6, @multicast}, 0x14) sendto$inet6(r2, &(0x7f0000847fff)='X', 0x34000, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) 18:01:50 executing program 2: prctl$PR_SCHED_CORE(0x3e, 0x0, 0x0, 0x2, 0x0) r0 = syz_open_dev$sndmidi(&(0x7f0000000040), 0x2, 0x141101) r1 = dup(r0) write$6lowpan_enable(r1, &(0x7f0000000000)='0', 0xfffffd2c) syz_open_procfs(0x0, &(0x7f0000000080)='net/dev\x00') r2 = socket$inet6_sctp(0xa, 0x5, 0x84) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r2, 0x84, 0x9, &(0x7f0000000580)={0x0, @in={{0x2, 0x0, @empty}}, 0x0, 0x0, 0x3fc, 0x0, 0x32}, 0x9c) bind$packet(0xffffffffffffffff, &(0x7f0000000140)={0x11, 0xf0, 0x0, 0x1, 0x0, 0x6, @multicast}, 0x14) sendto$inet6(r2, &(0x7f0000847fff)='X', 0x34000, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) 18:01:50 executing program 3: prctl$PR_SCHED_CORE(0x3e, 0x0, 0x0, 0x2, 0x0) r0 = syz_open_dev$sndmidi(&(0x7f0000000040), 0x2, 0x141101) r1 = dup(r0) write$6lowpan_enable(r1, &(0x7f0000000000)='0', 0xfffffd2c) syz_open_procfs(0x0, &(0x7f0000000080)='net/dev\x00') r2 = socket$inet6_sctp(0xa, 0x5, 0x84) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r2, 0x84, 0x9, &(0x7f0000000580)={0x0, @in={{0x2, 0x0, @empty}}, 0x0, 0x0, 0x3fc, 0x0, 0x32}, 0x9c) bind$packet(0xffffffffffffffff, &(0x7f0000000140)={0x11, 0xf0, 0x0, 0x1, 0x0, 0x6, @multicast}, 0x14) sendto$inet6(r2, &(0x7f0000847fff)='X', 0x34000, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) 18:01:50 executing program 0: prctl$PR_SCHED_CORE(0x3e, 0x1, 0x0, 0x2, 0x0) r0 = syz_open_dev$sndmidi(&(0x7f0000000040), 0x2, 0x141101) r1 = dup(r0) write$6lowpan_enable(r1, &(0x7f0000000000)='0', 0xfffffd2c) syz_open_procfs(0x0, &(0x7f0000000080)='net/dev\x00') r2 = socket$inet6_sctp(0xa, 0x5, 0x84) bind$packet(0xffffffffffffffff, &(0x7f0000000140)={0x11, 0xf0, 0x0, 0x1, 0x0, 0x6, @multicast}, 0x14) sendto$inet6(r2, &(0x7f0000847fff)='X', 0x34000, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) 18:01:50 executing program 5: prctl$PR_SCHED_CORE(0x3e, 0x1, 0x0, 0x2, 0x0) r0 = syz_open_dev$sndmidi(&(0x7f0000000040), 0x2, 0x141101) r1 = dup(r0) write$6lowpan_enable(r1, &(0x7f0000000000)='0', 0xfffffd2c) syz_open_procfs(0x0, &(0x7f0000000080)='net/dev\x00') r2 = socket$inet6_sctp(0xa, 0x5, 0x84) bind$packet(0xffffffffffffffff, &(0x7f0000000140)={0x11, 0xf0, 0x0, 0x1, 0x0, 0x6, @multicast}, 0x14) sendto$inet6(r2, &(0x7f0000847fff)='X', 0x34000, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) 18:01:50 executing program 1: prctl$PR_SCHED_CORE(0x3e, 0x1, 0x0, 0x2, 0x0) r0 = syz_open_dev$sndmidi(&(0x7f0000000040), 0x2, 0x141101) r1 = dup(r0) write$6lowpan_enable(r1, &(0x7f0000000000)='0', 0xfffffd2c) syz_open_procfs(0x0, &(0x7f0000000080)='net/dev\x00') r2 = socket$inet6_sctp(0xa, 0x5, 0x84) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(0xffffffffffffffff, 0x84, 0x9, &(0x7f0000000580)={0x0, @in={{0x2, 0x0, @empty}}, 0x0, 0x0, 0x3fc, 0x0, 0x32}, 0x9c) bind$packet(0xffffffffffffffff, &(0x7f0000000140)={0x11, 0xf0, 0x0, 0x1, 0x0, 0x6, @multicast}, 0x14) sendto$inet6(r2, &(0x7f0000847fff)='X', 0x34000, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) 18:01:51 executing program 4: prctl$PR_SCHED_CORE(0x3e, 0x1, 0x0, 0x2, 0x0) r0 = syz_open_dev$sndmidi(&(0x7f0000000040), 0x2, 0x141101) r1 = dup(r0) write$6lowpan_enable(r1, &(0x7f0000000000)='0', 0xfffffd2c) syz_open_procfs(0x0, &(0x7f0000000080)='net/dev\x00') r2 = socket$inet6_sctp(0xa, 0x5, 0x84) bind$packet(0xffffffffffffffff, &(0x7f0000000140)={0x11, 0xf0, 0x0, 0x1, 0x0, 0x6, @multicast}, 0x14) sendto$inet6(r2, &(0x7f0000847fff)='X', 0x34000, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) 18:01:51 executing program 2: prctl$PR_SCHED_CORE(0x3e, 0x0, 0x0, 0x2, 0x0) r0 = syz_open_dev$sndmidi(&(0x7f0000000040), 0x2, 0x141101) r1 = dup(r0) write$6lowpan_enable(r1, &(0x7f0000000000)='0', 0xfffffd2c) syz_open_procfs(0x0, &(0x7f0000000080)='net/dev\x00') r2 = socket$inet6_sctp(0xa, 0x5, 0x84) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r2, 0x84, 0x9, &(0x7f0000000580)={0x0, @in={{0x2, 0x0, @empty}}, 0x0, 0x0, 0x3fc, 0x0, 0x32}, 0x9c) bind$packet(0xffffffffffffffff, &(0x7f0000000140)={0x11, 0xf0, 0x0, 0x1, 0x0, 0x6, @multicast}, 0x14) sendto$inet6(r2, &(0x7f0000847fff)='X', 0x34000, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) 18:01:51 executing program 0: prctl$PR_SCHED_CORE(0x3e, 0x1, 0x0, 0x2, 0x0) r0 = syz_open_dev$sndmidi(&(0x7f0000000040), 0x2, 0x141101) r1 = dup(r0) write$6lowpan_enable(r1, &(0x7f0000000000)='0', 0xfffffd2c) syz_open_procfs(0x0, &(0x7f0000000080)='net/dev\x00') setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(0xffffffffffffffff, 0x84, 0x9, &(0x7f0000000580)={0x0, @in={{0x2, 0x0, @empty}}, 0x0, 0x0, 0x3fc, 0x0, 0x32}, 0x9c) bind$packet(0xffffffffffffffff, &(0x7f0000000140)={0x11, 0xf0, 0x0, 0x1, 0x0, 0x6, @multicast}, 0x14) sendto$inet6(0xffffffffffffffff, &(0x7f0000847fff)='X', 0x34000, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) 18:01:51 executing program 1: prctl$PR_SCHED_CORE(0x3e, 0x1, 0x0, 0x2, 0x0) r0 = syz_open_dev$sndmidi(&(0x7f0000000040), 0x2, 0x141101) r1 = dup(r0) write$6lowpan_enable(r1, &(0x7f0000000000)='0', 0xfffffd2c) syz_open_procfs(0x0, &(0x7f0000000080)='net/dev\x00') r2 = socket$inet6_sctp(0xa, 0x5, 0x84) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(0xffffffffffffffff, 0x84, 0x9, &(0x7f0000000580)={0x0, @in={{0x2, 0x0, @empty}}, 0x0, 0x0, 0x3fc, 0x0, 0x32}, 0x9c) bind$packet(0xffffffffffffffff, &(0x7f0000000140)={0x11, 0xf0, 0x0, 0x1, 0x0, 0x6, @multicast}, 0x14) sendto$inet6(r2, &(0x7f0000847fff)='X', 0x34000, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) 18:01:51 executing program 3: prctl$PR_SCHED_CORE(0x3e, 0x0, 0x0, 0x2, 0x0) r0 = syz_open_dev$sndmidi(&(0x7f0000000040), 0x2, 0x141101) r1 = dup(r0) write$6lowpan_enable(r1, &(0x7f0000000000)='0', 0xfffffd2c) syz_open_procfs(0x0, &(0x7f0000000080)='net/dev\x00') r2 = socket$inet6_sctp(0xa, 0x5, 0x84) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r2, 0x84, 0x9, &(0x7f0000000580)={0x0, @in={{0x2, 0x0, @empty}}, 0x0, 0x0, 0x3fc, 0x0, 0x32}, 0x9c) bind$packet(0xffffffffffffffff, &(0x7f0000000140)={0x11, 0xf0, 0x0, 0x1, 0x0, 0x6, @multicast}, 0x14) sendto$inet6(r2, &(0x7f0000847fff)='X', 0x34000, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) 18:01:51 executing program 5: prctl$PR_SCHED_CORE(0x3e, 0x1, 0x0, 0x2, 0x0) r0 = syz_open_dev$sndmidi(&(0x7f0000000040), 0x2, 0x141101) r1 = dup(r0) write$6lowpan_enable(r1, &(0x7f0000000000)='0', 0xfffffd2c) syz_open_procfs(0x0, &(0x7f0000000080)='net/dev\x00') r2 = socket$inet6_sctp(0xa, 0x5, 0x84) bind$packet(0xffffffffffffffff, &(0x7f0000000140)={0x11, 0xf0, 0x0, 0x1, 0x0, 0x6, @multicast}, 0x14) sendto$inet6(r2, &(0x7f0000847fff)='X', 0x34000, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) 18:01:52 executing program 2: prctl$PR_SCHED_CORE(0x3e, 0x1, 0x0, 0x0, 0x0) r0 = syz_open_dev$sndmidi(&(0x7f0000000040), 0x2, 0x141101) r1 = dup(r0) write$6lowpan_enable(r1, &(0x7f0000000000)='0', 0xfffffd2c) syz_open_procfs(0x0, &(0x7f0000000080)='net/dev\x00') r2 = socket$inet6_sctp(0xa, 0x5, 0x84) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r2, 0x84, 0x9, &(0x7f0000000580)={0x0, @in={{0x2, 0x0, @empty}}, 0x0, 0x0, 0x3fc, 0x0, 0x32}, 0x9c) bind$packet(0xffffffffffffffff, &(0x7f0000000140)={0x11, 0xf0, 0x0, 0x1, 0x0, 0x6, @multicast}, 0x14) sendto$inet6(r2, &(0x7f0000847fff)='X', 0x34000, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) 18:01:52 executing program 4: prctl$PR_SCHED_CORE(0x3e, 0x1, 0x0, 0x2, 0x0) r0 = syz_open_dev$sndmidi(&(0x7f0000000040), 0x2, 0x141101) r1 = dup(r0) write$6lowpan_enable(r1, &(0x7f0000000000)='0', 0xfffffd2c) syz_open_procfs(0x0, &(0x7f0000000080)='net/dev\x00') r2 = socket$inet6_sctp(0xa, 0x5, 0x84) bind$packet(0xffffffffffffffff, &(0x7f0000000140)={0x11, 0xf0, 0x0, 0x1, 0x0, 0x6, @multicast}, 0x14) sendto$inet6(r2, &(0x7f0000847fff)='X', 0x34000, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) 18:01:52 executing program 0: prctl$PR_SCHED_CORE(0x3e, 0x1, 0x0, 0x2, 0x0) r0 = syz_open_dev$sndmidi(&(0x7f0000000040), 0x2, 0x141101) r1 = dup(r0) write$6lowpan_enable(r1, &(0x7f0000000000)='0', 0xfffffd2c) syz_open_procfs(0x0, &(0x7f0000000080)='net/dev\x00') setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(0xffffffffffffffff, 0x84, 0x9, &(0x7f0000000580)={0x0, @in={{0x2, 0x0, @empty}}, 0x0, 0x0, 0x3fc, 0x0, 0x32}, 0x9c) bind$packet(0xffffffffffffffff, &(0x7f0000000140)={0x11, 0xf0, 0x0, 0x1, 0x0, 0x6, @multicast}, 0x14) sendto$inet6(0xffffffffffffffff, &(0x7f0000847fff)='X', 0x34000, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) 18:01:52 executing program 1: prctl$PR_SCHED_CORE(0x3e, 0x1, 0x0, 0x2, 0x0) r0 = syz_open_dev$sndmidi(&(0x7f0000000040), 0x2, 0x141101) r1 = dup(r0) write$6lowpan_enable(r1, &(0x7f0000000000)='0', 0xfffffd2c) syz_open_procfs(0x0, &(0x7f0000000080)='net/dev\x00') r2 = socket$inet6_sctp(0xa, 0x5, 0x84) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r2, 0x84, 0x9, 0x0, 0x0) bind$packet(0xffffffffffffffff, &(0x7f0000000140)={0x11, 0xf0, 0x0, 0x1, 0x0, 0x6, @multicast}, 0x14) sendto$inet6(r2, &(0x7f0000847fff)='X', 0x34000, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) 18:01:53 executing program 3: prctl$PR_SCHED_CORE(0x3e, 0x0, 0x0, 0x2, 0x0) r0 = syz_open_dev$sndmidi(&(0x7f0000000040), 0x2, 0x141101) r1 = dup(r0) write$6lowpan_enable(r1, &(0x7f0000000000)='0', 0xfffffd2c) syz_open_procfs(0x0, &(0x7f0000000080)='net/dev\x00') r2 = socket$inet6_sctp(0xa, 0x5, 0x84) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r2, 0x84, 0x9, &(0x7f0000000580)={0x0, @in={{0x2, 0x0, @empty}}, 0x0, 0x0, 0x3fc, 0x0, 0x32}, 0x9c) bind$packet(0xffffffffffffffff, &(0x7f0000000140)={0x11, 0xf0, 0x0, 0x1, 0x0, 0x6, @multicast}, 0x14) sendto$inet6(r2, &(0x7f0000847fff)='X', 0x34000, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) 18:01:53 executing program 2: prctl$PR_SCHED_CORE(0x3e, 0x1, 0x0, 0x0, 0x0) r0 = syz_open_dev$sndmidi(&(0x7f0000000040), 0x2, 0x141101) r1 = dup(r0) write$6lowpan_enable(r1, &(0x7f0000000000)='0', 0xfffffd2c) syz_open_procfs(0x0, &(0x7f0000000080)='net/dev\x00') r2 = socket$inet6_sctp(0xa, 0x5, 0x84) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r2, 0x84, 0x9, &(0x7f0000000580)={0x0, @in={{0x2, 0x0, @empty}}, 0x0, 0x0, 0x3fc, 0x0, 0x32}, 0x9c) bind$packet(0xffffffffffffffff, &(0x7f0000000140)={0x11, 0xf0, 0x0, 0x1, 0x0, 0x6, @multicast}, 0x14) sendto$inet6(r2, &(0x7f0000847fff)='X', 0x34000, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) 18:01:53 executing program 5: prctl$PR_SCHED_CORE(0x3e, 0x1, 0x0, 0x2, 0x0) r0 = syz_open_dev$sndmidi(&(0x7f0000000040), 0x2, 0x141101) r1 = dup(r0) write$6lowpan_enable(r1, &(0x7f0000000000)='0', 0xfffffd2c) syz_open_procfs(0x0, &(0x7f0000000080)='net/dev\x00') r2 = socket$inet6_sctp(0xa, 0x5, 0x84) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(0xffffffffffffffff, 0x84, 0x9, &(0x7f0000000580)={0x0, @in={{0x2, 0x0, @empty}}, 0x0, 0x0, 0x3fc, 0x0, 0x32}, 0x9c) bind$packet(0xffffffffffffffff, &(0x7f0000000140)={0x11, 0xf0, 0x0, 0x1, 0x0, 0x6, @multicast}, 0x14) sendto$inet6(r2, &(0x7f0000847fff)='X', 0x34000, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) 18:01:53 executing program 4: prctl$PR_SCHED_CORE(0x3e, 0x1, 0x0, 0x2, 0x0) r0 = syz_open_dev$sndmidi(&(0x7f0000000040), 0x2, 0x141101) r1 = dup(r0) write$6lowpan_enable(r1, &(0x7f0000000000)='0', 0xfffffd2c) syz_open_procfs(0x0, &(0x7f0000000080)='net/dev\x00') r2 = socket$inet6_sctp(0xa, 0x5, 0x84) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(0xffffffffffffffff, 0x84, 0x9, &(0x7f0000000580)={0x0, @in={{0x2, 0x0, @empty}}, 0x0, 0x0, 0x3fc, 0x0, 0x32}, 0x9c) bind$packet(0xffffffffffffffff, &(0x7f0000000140)={0x11, 0xf0, 0x0, 0x1, 0x0, 0x6, @multicast}, 0x14) sendto$inet6(r2, &(0x7f0000847fff)='X', 0x34000, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) 18:01:53 executing program 0: prctl$PR_SCHED_CORE(0x3e, 0x1, 0x0, 0x2, 0x0) r0 = syz_open_dev$sndmidi(&(0x7f0000000040), 0x2, 0x141101) r1 = dup(r0) write$6lowpan_enable(r1, &(0x7f0000000000)='0', 0xfffffd2c) syz_open_procfs(0x0, &(0x7f0000000080)='net/dev\x00') setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(0xffffffffffffffff, 0x84, 0x9, &(0x7f0000000580)={0x0, @in={{0x2, 0x0, @empty}}, 0x0, 0x0, 0x3fc, 0x0, 0x32}, 0x9c) bind$packet(0xffffffffffffffff, &(0x7f0000000140)={0x11, 0xf0, 0x0, 0x1, 0x0, 0x6, @multicast}, 0x14) sendto$inet6(0xffffffffffffffff, &(0x7f0000847fff)='X', 0x34000, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) 18:01:53 executing program 1: prctl$PR_SCHED_CORE(0x3e, 0x1, 0x0, 0x2, 0x0) r0 = syz_open_dev$sndmidi(&(0x7f0000000040), 0x2, 0x141101) r1 = dup(r0) write$6lowpan_enable(r1, &(0x7f0000000000)='0', 0xfffffd2c) syz_open_procfs(0x0, &(0x7f0000000080)='net/dev\x00') r2 = socket$inet6_sctp(0xa, 0x5, 0x84) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r2, 0x84, 0x9, 0x0, 0x0) bind$packet(0xffffffffffffffff, &(0x7f0000000140)={0x11, 0xf0, 0x0, 0x1, 0x0, 0x6, @multicast}, 0x14) sendto$inet6(r2, &(0x7f0000847fff)='X', 0x34000, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) 18:01:54 executing program 2: prctl$PR_SCHED_CORE(0x3e, 0x1, 0x0, 0x0, 0x0) r0 = syz_open_dev$sndmidi(&(0x7f0000000040), 0x2, 0x141101) r1 = dup(r0) write$6lowpan_enable(r1, &(0x7f0000000000)='0', 0xfffffd2c) syz_open_procfs(0x0, &(0x7f0000000080)='net/dev\x00') r2 = socket$inet6_sctp(0xa, 0x5, 0x84) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r2, 0x84, 0x9, &(0x7f0000000580)={0x0, @in={{0x2, 0x0, @empty}}, 0x0, 0x0, 0x3fc, 0x0, 0x32}, 0x9c) bind$packet(0xffffffffffffffff, &(0x7f0000000140)={0x11, 0xf0, 0x0, 0x1, 0x0, 0x6, @multicast}, 0x14) sendto$inet6(r2, &(0x7f0000847fff)='X', 0x34000, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) 18:01:54 executing program 5: prctl$PR_SCHED_CORE(0x3e, 0x1, 0x0, 0x2, 0x0) r0 = syz_open_dev$sndmidi(&(0x7f0000000040), 0x2, 0x141101) r1 = dup(r0) write$6lowpan_enable(r1, &(0x7f0000000000)='0', 0xfffffd2c) syz_open_procfs(0x0, &(0x7f0000000080)='net/dev\x00') r2 = socket$inet6_sctp(0xa, 0x5, 0x84) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r2, 0x84, 0x9, &(0x7f0000000580)={0x0, @in={{0x2, 0x0, @empty}}, 0x0, 0x0, 0x3fc, 0x0, 0x32}, 0x9c) sendto$inet6(r2, &(0x7f0000847fff)='X', 0x34000, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) 18:01:54 executing program 3: prctl$PR_SCHED_CORE(0x3e, 0x1, 0x0, 0x2, 0x0) r0 = syz_open_dev$sndmidi(&(0x7f0000000040), 0x2, 0x141101) r1 = dup(r0) write$6lowpan_enable(r1, &(0x7f0000000000)='0', 0xfffffd2c) r2 = getpid() tkill(r2, 0x0) syz_open_procfs(r2, &(0x7f0000000080)='net/dev\x00') r3 = socket$inet6_sctp(0xa, 0x5, 0x84) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r3, 0x84, 0x9, &(0x7f0000000580)={0x0, @in={{0x2, 0x0, @empty}}, 0x0, 0x0, 0x3fc, 0x0, 0x32}, 0x9c) bind$inet6(r3, &(0x7f00004b8fe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) sendmsg$BATADV_CMD_GET_BLA_BACKBONE(0xffffffffffffffff, &(0x7f0000000240)={&(0x7f00000003c0)={0x10, 0x0, 0x0, 0x40000000}, 0xc, &(0x7f0000000580)={&(0x7f0000000ac0)=ANY=[@ANYBLOB="75b9609d35b13765f535640b1647adc8d4528d7dcb5ecd49ae55d43d3b97ecb1655aa6d8fee6b424e0505947a242cbd17bb07e95b202fc3c205cdbe6a8f96871306ae8b68ac958053ac4db38ca0dc66bbffd0930941f68eeb164059f458da7acaa5be83249f1180500a3884f69053123e3ce572b9b117c90fe0a17097d317242", @ANYRES32, @ANYRES64, @ANYRESOCT, @ANYBLOB="08003c0000080000ffa459f4d55ea7e660d27ca685e5ff2d0008000000080006003a47559364f7aad7844855eeb6e6d7b1e57d788f8dbacc87d90731e061160ba4f8e213ac52941d846cf53ab15299b9743f8bb0e6ea7725942d910a", @ANYRES16, @ANYRESOCT], 0x54}, 0x1, 0x0, 0x0, 0x4041}, 0x0) r4 = syz_mount_image$vfat(&(0x7f0000000900), &(0x7f0000000940)='./file0\x00', 0x200007, 0x3, &(0x7f0000000700)=[{&(0x7f0000000000)="eb3c906d8d6673fdd2617400028001000240000004f801", 0x17}, {&(0x7f0000001440)="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", 0x144, 0x601}, {0x0, 0x0, 0x5}], 0x800440, &(0x7f00000004c0)={[{@shortname_winnt}, {@fat=@gid}, {@iocharset={'iocharset', 0x3d, 'cp866'}}, {@fat=@fmask={'fmask', 0x3d, 0x1ff}}, {@rodir}, {@fat=@errors_remount}, {@shortname_win95}, {@uni_xlate}, {@uni_xlateno}, {@utf8}, {@uni_xlate}, {@utf8no}]}) sendmsg$IPSET_CMD_DEL(0xffffffffffffffff, &(0x7f0000000a80)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x200}, 0xc, &(0x7f0000000400)={&(0x7f00000008c0)=ANY=[@ANYRES64], 0x60}, 0x1, 0x0, 0x0, 0x8840}, 0x4040050) sendmsg$nl_route(0xffffffffffffffff, &(0x7f0000000980)={&(0x7f0000000440)={0x10, 0x0, 0x0, 0x10000000}, 0xc, &(0x7f0000000740)={&(0x7f0000000d00)=ANY=[@ANYBLOB="86f2407d8a204caf80b640e69a13fefeff6f0000042ba98cfcfccd470037369314427ebd70000000000000000000000000000000cdfb0fa21b95f8072c528f2858315775d7552e", @ANYRES32=0x0, @ANYBLOB="0c943d0559ff0600ff0000000c00018005000600c0000000100001800c00a03a03462081c7fc75d9ffffbf", @ANYRESDEC=r4, @ANYRES64], 0x40}, 0x1, 0x0, 0x0, 0x4008000}, 0x44040) sendmsg$DEVLINK_CMD_TRAP_POLICER_GET(0xffffffffffffffff, &(0x7f0000000780)={&(0x7f0000000480)={0x10, 0x0, 0x0, 0x1000}, 0xc, &(0x7f0000000680)={&(0x7f0000000f40)=ANY=[@ANYBLOB="dd82fa64e3415dc226d3ac622a8239db19850e5d1f97ad157d6e4d3b4b1eb09bbca07c99827fb7c132f6ded2b0753747f344067fa51608045c50c82cae8b9d8c5f9f", @ANYRESHEX, @ANYBLOB="000129bd7000fcdbdf35450900000001006e657464657673696d0000000f0002006e65746465ffffffffffffffff008e0001000000080029210ffe70f74135c6c84e95f601007063690011000200303030303a300008008e0000000000080001007063690011000200303030303a30303a31302e300000000408001700a1a628523064156e9f9c48c438c3489ada27a5332186e0618640bae922d4a91285d89e0cf8a2ec5e1bd9978ab6f6864f227aefb818605bb5faa903f2e69df3d3f06c95224bfd42e23b13a9b0ecf7e26eec4ccacef0f496c155b78af42fc33ec2a7e500"/233, @ANYRES16=r4, @ANYRESDEC, @ANYRESOCT, @ANYRES8], 0x84}, 0x1, 0x0, 0x0, 0x85}, 0x40000) sendmsg$nl_route(0xffffffffffffffff, &(0x7f0000000a00)={&(0x7f00000007c0)={0x10, 0x0, 0x0, 0x200000}, 0xc, &(0x7f0000000880)={&(0x7f0000000c00)=ANY=[@ANYBLOB="240000499a000400d7cfb9710f73c673000700ac1e0011000000000000000000000000005a381ff052b251", @ANYRES16, @ANYRESDEC, @ANYRES16, @ANYRES16, @ANYRESOCT], 0x24}, 0x1, 0x0, 0x0, 0x4044080}, 0x8080) bind$packet(0xffffffffffffffff, &(0x7f0000000140)={0x11, 0xf0, 0x0, 0x1, 0x0, 0x6, @multicast}, 0x14) close_range(0xffffffffffffffff, 0xffffffffffffffff, 0x2) sendto$inet6(r3, &(0x7f0000847fff)='X', 0x34000, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) 18:01:54 executing program 0: prctl$PR_SCHED_CORE(0x3e, 0x1, 0x0, 0x2, 0x0) r0 = syz_open_dev$sndmidi(&(0x7f0000000040), 0x2, 0x141101) r1 = dup(r0) write$6lowpan_enable(r1, &(0x7f0000000000)='0', 0xfffffd2c) r2 = socket$inet6_sctp(0xa, 0x5, 0x84) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r2, 0x84, 0x9, &(0x7f0000000580)={0x0, @in={{0x2, 0x0, @empty}}, 0x0, 0x0, 0x3fc, 0x0, 0x32}, 0x9c) bind$packet(0xffffffffffffffff, &(0x7f0000000140)={0x11, 0xf0, 0x0, 0x1, 0x0, 0x6, @multicast}, 0x14) sendto$inet6(r2, &(0x7f0000847fff)='X', 0x34000, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) [ 764.746529][T11473] loop3: detected capacity change from 0 to 4096 18:01:54 executing program 1: prctl$PR_SCHED_CORE(0x3e, 0x1, 0x0, 0x2, 0x0) r0 = syz_open_dev$sndmidi(&(0x7f0000000040), 0x2, 0x141101) r1 = dup(r0) write$6lowpan_enable(r1, &(0x7f0000000000)='0', 0xfffffd2c) syz_open_procfs(0x0, &(0x7f0000000080)='net/dev\x00') r2 = socket$inet6_sctp(0xa, 0x5, 0x84) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r2, 0x84, 0x9, 0x0, 0x0) bind$packet(0xffffffffffffffff, &(0x7f0000000140)={0x11, 0xf0, 0x0, 0x1, 0x0, 0x6, @multicast}, 0x14) sendto$inet6(r2, &(0x7f0000847fff)='X', 0x34000, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) 18:01:54 executing program 4: prctl$PR_SCHED_CORE(0x3e, 0x1, 0x0, 0x2, 0x0) r0 = syz_open_dev$sndmidi(&(0x7f0000000040), 0x2, 0x141101) r1 = dup(r0) write$6lowpan_enable(r1, &(0x7f0000000000)='0', 0xfffffd2c) syz_open_procfs(0x0, &(0x7f0000000080)='net/dev\x00') r2 = socket$inet6_sctp(0xa, 0x5, 0x84) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r2, 0x84, 0x9, 0x0, 0x0) bind$packet(0xffffffffffffffff, &(0x7f0000000140)={0x11, 0xf0, 0x0, 0x1, 0x0, 0x6, @multicast}, 0x14) sendto$inet6(r2, &(0x7f0000847fff)='X', 0x34000, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) 18:01:54 executing program 2: prctl$PR_SCHED_CORE(0x3e, 0x1, 0x0, 0x2, 0x0) r0 = syz_open_dev$sndmidi(0x0, 0x2, 0x141101) r1 = dup(r0) write$6lowpan_enable(r1, &(0x7f0000000000)='0', 0xfffffd2c) syz_open_procfs(0x0, &(0x7f0000000080)='net/dev\x00') r2 = socket$inet6_sctp(0xa, 0x5, 0x84) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r2, 0x84, 0x9, &(0x7f0000000580)={0x0, @in={{0x2, 0x0, @empty}}, 0x0, 0x0, 0x3fc, 0x0, 0x32}, 0x9c) bind$packet(0xffffffffffffffff, &(0x7f0000000140)={0x11, 0xf0, 0x0, 0x1, 0x0, 0x6, @multicast}, 0x14) sendto$inet6(r2, &(0x7f0000847fff)='X', 0x34000, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) 18:01:55 executing program 2: prctl$PR_SCHED_CORE(0x3e, 0x1, 0x0, 0x2, 0x0) r0 = syz_open_dev$sndmidi(0x0, 0x2, 0x141101) r1 = dup(r0) write$6lowpan_enable(r1, &(0x7f0000000000)='0', 0xfffffd2c) syz_open_procfs(0x0, &(0x7f0000000080)='net/dev\x00') r2 = socket$inet6_sctp(0xa, 0x5, 0x84) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r2, 0x84, 0x9, &(0x7f0000000580)={0x0, @in={{0x2, 0x0, @empty}}, 0x0, 0x0, 0x3fc, 0x0, 0x32}, 0x9c) bind$packet(0xffffffffffffffff, &(0x7f0000000140)={0x11, 0xf0, 0x0, 0x1, 0x0, 0x6, @multicast}, 0x14) sendto$inet6(r2, &(0x7f0000847fff)='X', 0x34000, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) 18:01:55 executing program 2: prctl$PR_SCHED_CORE(0x3e, 0x1, 0x0, 0x2, 0x0) r0 = syz_open_dev$sndmidi(0x0, 0x2, 0x141101) r1 = dup(r0) write$6lowpan_enable(r1, &(0x7f0000000000)='0', 0xfffffd2c) syz_open_procfs(0x0, &(0x7f0000000080)='net/dev\x00') r2 = socket$inet6_sctp(0xa, 0x5, 0x84) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r2, 0x84, 0x9, &(0x7f0000000580)={0x0, @in={{0x2, 0x0, @empty}}, 0x0, 0x0, 0x3fc, 0x0, 0x32}, 0x9c) bind$packet(0xffffffffffffffff, &(0x7f0000000140)={0x11, 0xf0, 0x0, 0x1, 0x0, 0x6, @multicast}, 0x14) sendto$inet6(r2, &(0x7f0000847fff)='X', 0x34000, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) 18:01:55 executing program 0: prctl$PR_SCHED_CORE(0x3e, 0x1, 0x0, 0x2, 0x0) r0 = syz_open_dev$sndmidi(&(0x7f0000000040), 0x2, 0x141101) r1 = dup(r0) write$6lowpan_enable(r1, &(0x7f0000000000)='0', 0xfffffd2c) r2 = socket$inet6_sctp(0xa, 0x5, 0x84) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r2, 0x84, 0x9, &(0x7f0000000580)={0x0, @in={{0x2, 0x0, @empty}}, 0x0, 0x0, 0x3fc, 0x0, 0x32}, 0x9c) bind$packet(0xffffffffffffffff, &(0x7f0000000140)={0x11, 0xf0, 0x0, 0x1, 0x0, 0x6, @multicast}, 0x14) sendto$inet6(r2, &(0x7f0000847fff)='X', 0x34000, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) 18:01:55 executing program 2: prctl$PR_SCHED_CORE(0x3e, 0x1, 0x0, 0x2, 0x0) r0 = syz_open_dev$sndmidi(&(0x7f0000000040), 0x0, 0x141101) r1 = dup(r0) write$6lowpan_enable(r1, &(0x7f0000000000)='0', 0xfffffd2c) syz_open_procfs(0x0, &(0x7f0000000080)='net/dev\x00') r2 = socket$inet6_sctp(0xa, 0x5, 0x84) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r2, 0x84, 0x9, &(0x7f0000000580)={0x0, @in={{0x2, 0x0, @empty}}, 0x0, 0x0, 0x3fc, 0x0, 0x32}, 0x9c) bind$packet(0xffffffffffffffff, &(0x7f0000000140)={0x11, 0xf0, 0x0, 0x1, 0x0, 0x6, @multicast}, 0x14) sendto$inet6(r2, &(0x7f0000847fff)='X', 0x34000, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) 18:01:55 executing program 1: prctl$PR_SCHED_CORE(0x3e, 0x1, 0x0, 0x2, 0x0) r0 = syz_open_dev$sndmidi(&(0x7f0000000040), 0x2, 0x141101) r1 = dup(r0) write$6lowpan_enable(r1, &(0x7f0000000000)='0', 0xfffffd2c) syz_open_procfs(0x0, &(0x7f0000000080)='net/dev\x00') r2 = socket$inet6_sctp(0xa, 0x5, 0x84) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r2, 0x84, 0x9, &(0x7f0000000580)={0x0, @in={{0x2, 0x0, @empty}}, 0x0, 0x0, 0x0, 0x0, 0x32}, 0x9c) bind$packet(0xffffffffffffffff, &(0x7f0000000140)={0x11, 0xf0, 0x0, 0x1, 0x0, 0x6, @multicast}, 0x14) sendto$inet6(r2, &(0x7f0000847fff)='X', 0x34000, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) 18:01:55 executing program 5: prctl$PR_SCHED_CORE(0x3e, 0x1, 0x0, 0x2, 0x0) r0 = syz_open_dev$sndmidi(&(0x7f0000000040), 0x2, 0x141101) r1 = dup(r0) write$6lowpan_enable(r1, &(0x7f0000000000)='0', 0xfffffd2c) syz_open_procfs(0x0, &(0x7f0000000080)='net/dev\x00') r2 = socket$inet6_sctp(0xa, 0x5, 0x84) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r2, 0x84, 0x9, 0x0, 0x0) bind$packet(0xffffffffffffffff, &(0x7f0000000140)={0x11, 0xf0, 0x0, 0x1, 0x0, 0x6, @multicast}, 0x14) sendto$inet6(r2, &(0x7f0000847fff)='X', 0x34000, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) 18:01:55 executing program 4: prctl$PR_SCHED_CORE(0x3e, 0x1, 0x0, 0x2, 0x0) r0 = syz_open_dev$sndmidi(&(0x7f0000000040), 0x2, 0x141101) r1 = dup(r0) write$6lowpan_enable(r1, &(0x7f0000000000)='0', 0xfffffd2c) r2 = socket$inet6_sctp(0xa, 0x5, 0x84) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r2, 0x84, 0x9, &(0x7f0000000580)={0x0, @in={{0x2, 0x0, @empty}}, 0x0, 0x0, 0x3fc, 0x0, 0x32}, 0x9c) bind$packet(0xffffffffffffffff, &(0x7f0000000140)={0x11, 0xf0, 0x0, 0x1, 0x0, 0x6, @multicast}, 0x14) sendto$inet6(r2, &(0x7f0000847fff)='X', 0x34000, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) 18:01:56 executing program 3: prctl$PR_SCHED_CORE(0x3e, 0x1, 0x0, 0x2, 0x0) r0 = syz_open_dev$sndmidi(&(0x7f0000000040), 0x2, 0x141101) r1 = dup(r0) write$6lowpan_enable(r1, &(0x7f0000000000)='0', 0xfffffd2c) r2 = getpid() tkill(r2, 0x0) syz_open_procfs(r2, &(0x7f0000000080)='net/dev\x00') r3 = socket$inet6_sctp(0xa, 0x5, 0x84) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r3, 0x84, 0x9, &(0x7f0000000580)={0x0, @in={{0x2, 0x0, @empty}}, 0x0, 0x0, 0x3fc, 0x0, 0x32}, 0x9c) bind$inet6(r3, &(0x7f00004b8fe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) sendmsg$BATADV_CMD_GET_BLA_BACKBONE(0xffffffffffffffff, &(0x7f0000000240)={&(0x7f00000003c0)={0x10, 0x0, 0x0, 0x40000000}, 0xc, &(0x7f0000000580)={&(0x7f0000000ac0)=ANY=[@ANYBLOB="75b9609d35b13765f535640b1647adc8d4528d7dcb5ecd49ae55d43d3b97ecb1655aa6d8fee6b424e0505947a242cbd17bb07e95b202fc3c205cdbe6a8f96871306ae8b68ac958053ac4db38ca0dc66bbffd0930941f68eeb164059f458da7acaa5be83249f1180500a3884f69053123e3ce572b9b117c90fe0a17097d317242", @ANYRES32, @ANYRES64, @ANYRESOCT, @ANYBLOB="08003c0000080000ffa459f4d55ea7e660d27ca685e5ff2d0008000000080006003a47559364f7aad7844855eeb6e6d7b1e57d788f8dbacc87d90731e061160ba4f8e213ac52941d846cf53ab15299b9743f8bb0e6ea7725942d910a", @ANYRES16, @ANYRESOCT], 0x54}, 0x1, 0x0, 0x0, 0x4041}, 0x0) r4 = syz_mount_image$vfat(&(0x7f0000000900), &(0x7f0000000940)='./file0\x00', 0x200007, 0x3, &(0x7f0000000700)=[{&(0x7f0000000000)="eb3c906d8d6673fdd2617400028001000240000004f801", 0x17}, {&(0x7f0000001440)="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", 0x144, 0x601}, {0x0, 0x0, 0x5}], 0x800440, &(0x7f00000004c0)={[{@shortname_winnt}, {@fat=@gid}, {@iocharset={'iocharset', 0x3d, 'cp866'}}, {@fat=@fmask={'fmask', 0x3d, 0x1ff}}, {@rodir}, {@fat=@errors_remount}, {@shortname_win95}, {@uni_xlate}, {@uni_xlateno}, {@utf8}, {@uni_xlate}, {@utf8no}]}) sendmsg$IPSET_CMD_DEL(0xffffffffffffffff, &(0x7f0000000a80)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x200}, 0xc, &(0x7f0000000400)={&(0x7f00000008c0)=ANY=[@ANYRES64], 0x60}, 0x1, 0x0, 0x0, 0x8840}, 0x4040050) sendmsg$nl_route(0xffffffffffffffff, &(0x7f0000000980)={&(0x7f0000000440)={0x10, 0x0, 0x0, 0x10000000}, 0xc, &(0x7f0000000740)={&(0x7f0000000d00)=ANY=[@ANYBLOB="86f2407d8a204caf80b640e69a13fefeff6f0000042ba98cfcfccd470037369314427ebd70000000000000000000000000000000cdfb0fa21b95f8072c528f2858315775d7552e", @ANYRES32=0x0, @ANYBLOB="0c943d0559ff0600ff0000000c00018005000600c0000000100001800c00a03a03462081c7fc75d9ffffbf", @ANYRESDEC=r4, @ANYRES64], 0x40}, 0x1, 0x0, 0x0, 0x4008000}, 0x44040) sendmsg$DEVLINK_CMD_TRAP_POLICER_GET(0xffffffffffffffff, &(0x7f0000000780)={&(0x7f0000000480)={0x10, 0x0, 0x0, 0x1000}, 0xc, &(0x7f0000000680)={&(0x7f0000000f40)=ANY=[@ANYBLOB="dd82fa64e3415dc226d3ac622a8239db19850e5d1f97ad157d6e4d3b4b1eb09bbca07c99827fb7c132f6ded2b0753747f344067fa51608045c50c82cae8b9d8c5f9f", @ANYRESHEX, @ANYBLOB="000129bd7000fcdbdf35450900000001006e657464657673696d0000000f0002006e65746465ffffffffffffffff008e0001000000080029210ffe70f74135c6c84e95f601007063690011000200303030303a300008008e0000000000080001007063690011000200303030303a30303a31302e300000000408001700a1a628523064156e9f9c48c438c3489ada27a5332186e0618640bae922d4a91285d89e0cf8a2ec5e1bd9978ab6f6864f227aefb818605bb5faa903f2e69df3d3f06c95224bfd42e23b13a9b0ecf7e26eec4ccacef0f496c155b78af42fc33ec2a7e500"/233, @ANYRES16=r4, @ANYRESDEC, @ANYRESOCT, @ANYRES8], 0x84}, 0x1, 0x0, 0x0, 0x85}, 0x40000) sendmsg$nl_route(0xffffffffffffffff, &(0x7f0000000a00)={&(0x7f00000007c0)={0x10, 0x0, 0x0, 0x200000}, 0xc, &(0x7f0000000880)={&(0x7f0000000c00)=ANY=[@ANYBLOB="240000499a000400d7cfb9710f73c673000700ac1e0011000000000000000000000000005a381ff052b251", @ANYRES16, @ANYRESDEC, @ANYRES16, @ANYRES16, @ANYRESOCT], 0x24}, 0x1, 0x0, 0x0, 0x4044080}, 0x8080) bind$packet(0xffffffffffffffff, &(0x7f0000000140)={0x11, 0xf0, 0x0, 0x1, 0x0, 0x6, @multicast}, 0x14) close_range(0xffffffffffffffff, 0xffffffffffffffff, 0x2) sendto$inet6(r3, &(0x7f0000847fff)='X', 0x34000, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) 18:01:56 executing program 2: prctl$PR_SCHED_CORE(0x3e, 0x1, 0x0, 0x2, 0x0) r0 = syz_open_dev$sndmidi(&(0x7f0000000040), 0x0, 0x141101) r1 = dup(r0) write$6lowpan_enable(r1, &(0x7f0000000000)='0', 0xfffffd2c) syz_open_procfs(0x0, &(0x7f0000000080)='net/dev\x00') r2 = socket$inet6_sctp(0xa, 0x5, 0x84) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r2, 0x84, 0x9, &(0x7f0000000580)={0x0, @in={{0x2, 0x0, @empty}}, 0x0, 0x0, 0x3fc, 0x0, 0x32}, 0x9c) bind$packet(0xffffffffffffffff, &(0x7f0000000140)={0x11, 0xf0, 0x0, 0x1, 0x0, 0x6, @multicast}, 0x14) sendto$inet6(r2, &(0x7f0000847fff)='X', 0x34000, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) [ 766.332122][T11505] loop3: detected capacity change from 0 to 4096 18:01:56 executing program 2: prctl$PR_SCHED_CORE(0x3e, 0x1, 0x0, 0x2, 0x0) r0 = syz_open_dev$sndmidi(&(0x7f0000000040), 0x0, 0x141101) r1 = dup(r0) write$6lowpan_enable(r1, &(0x7f0000000000)='0', 0xfffffd2c) syz_open_procfs(0x0, &(0x7f0000000080)='net/dev\x00') r2 = socket$inet6_sctp(0xa, 0x5, 0x84) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r2, 0x84, 0x9, &(0x7f0000000580)={0x0, @in={{0x2, 0x0, @empty}}, 0x0, 0x0, 0x3fc, 0x0, 0x32}, 0x9c) bind$packet(0xffffffffffffffff, &(0x7f0000000140)={0x11, 0xf0, 0x0, 0x1, 0x0, 0x6, @multicast}, 0x14) sendto$inet6(r2, &(0x7f0000847fff)='X', 0x34000, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) 18:01:56 executing program 0: prctl$PR_SCHED_CORE(0x3e, 0x1, 0x0, 0x2, 0x0) r0 = syz_open_dev$sndmidi(&(0x7f0000000040), 0x2, 0x141101) r1 = dup(r0) write$6lowpan_enable(r1, &(0x7f0000000000)='0', 0xfffffd2c) r2 = socket$inet6_sctp(0xa, 0x5, 0x84) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r2, 0x84, 0x9, &(0x7f0000000580)={0x0, @in={{0x2, 0x0, @empty}}, 0x0, 0x0, 0x3fc, 0x0, 0x32}, 0x9c) bind$packet(0xffffffffffffffff, &(0x7f0000000140)={0x11, 0xf0, 0x0, 0x1, 0x0, 0x6, @multicast}, 0x14) sendto$inet6(r2, &(0x7f0000847fff)='X', 0x34000, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) 18:01:56 executing program 1: prctl$PR_SCHED_CORE(0x3e, 0x1, 0x0, 0x2, 0x0) r0 = syz_open_dev$sndmidi(&(0x7f0000000040), 0x2, 0x141101) r1 = dup(r0) write$6lowpan_enable(r1, &(0x7f0000000000)='0', 0xfffffd2c) syz_open_procfs(0x0, &(0x7f0000000080)='net/dev\x00') r2 = socket$inet6_sctp(0xa, 0x5, 0x84) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r2, 0x84, 0x9, &(0x7f0000000580)={0x0, @in={{0x2, 0x0, @empty}}, 0x0, 0x0, 0x0, 0x0, 0x32}, 0x9c) bind$packet(0xffffffffffffffff, &(0x7f0000000140)={0x11, 0xf0, 0x0, 0x1, 0x0, 0x6, @multicast}, 0x14) sendto$inet6(r2, &(0x7f0000847fff)='X', 0x34000, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) 18:01:56 executing program 2: prctl$PR_SCHED_CORE(0x3e, 0x1, 0x0, 0x2, 0x0) r0 = syz_open_dev$sndmidi(&(0x7f0000000040), 0x2, 0x0) r1 = dup(r0) write$6lowpan_enable(r1, &(0x7f0000000000)='0', 0xfffffd2c) syz_open_procfs(0x0, &(0x7f0000000080)='net/dev\x00') r2 = socket$inet6_sctp(0xa, 0x5, 0x84) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r2, 0x84, 0x9, &(0x7f0000000580)={0x0, @in={{0x2, 0x0, @empty}}, 0x0, 0x0, 0x3fc, 0x0, 0x32}, 0x9c) bind$packet(0xffffffffffffffff, &(0x7f0000000140)={0x11, 0xf0, 0x0, 0x1, 0x0, 0x6, @multicast}, 0x14) sendto$inet6(r2, &(0x7f0000847fff)='X', 0x34000, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) 18:01:57 executing program 5: prctl$PR_SCHED_CORE(0x3e, 0x1, 0x0, 0x2, 0x0) r0 = syz_open_dev$sndmidi(&(0x7f0000000040), 0x2, 0x141101) r1 = dup(r0) write$6lowpan_enable(r1, &(0x7f0000000000)='0', 0xfffffd2c) syz_open_procfs(0x0, &(0x7f0000000080)='net/dev\x00') r2 = socket$inet6_sctp(0xa, 0x5, 0x84) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r2, 0x84, 0x9, &(0x7f0000000580)={0x0, @in={{0x2, 0x0, @empty}}, 0x0, 0x0, 0x0, 0x0, 0x32}, 0x9c) bind$packet(0xffffffffffffffff, &(0x7f0000000140)={0x11, 0xf0, 0x0, 0x1, 0x0, 0x6, @multicast}, 0x14) sendto$inet6(r2, &(0x7f0000847fff)='X', 0x34000, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) 18:01:57 executing program 2: prctl$PR_SCHED_CORE(0x3e, 0x1, 0x0, 0x2, 0x0) r0 = syz_open_dev$sndmidi(&(0x7f0000000040), 0x2, 0x0) r1 = dup(r0) write$6lowpan_enable(r1, &(0x7f0000000000)='0', 0xfffffd2c) syz_open_procfs(0x0, &(0x7f0000000080)='net/dev\x00') r2 = socket$inet6_sctp(0xa, 0x5, 0x84) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r2, 0x84, 0x9, &(0x7f0000000580)={0x0, @in={{0x2, 0x0, @empty}}, 0x0, 0x0, 0x3fc, 0x0, 0x32}, 0x9c) bind$packet(0xffffffffffffffff, &(0x7f0000000140)={0x11, 0xf0, 0x0, 0x1, 0x0, 0x6, @multicast}, 0x14) sendto$inet6(r2, &(0x7f0000847fff)='X', 0x34000, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) 18:01:57 executing program 4: prctl$PR_SCHED_CORE(0x3e, 0x1, 0x0, 0x2, 0x0) r0 = syz_open_dev$sndmidi(&(0x7f0000000040), 0x0, 0x141101) r1 = dup(r0) write$6lowpan_enable(r1, &(0x7f0000000000)='0', 0xfffffd2c) syz_open_procfs(0x0, &(0x7f0000000080)='net/dev\x00') r2 = socket$inet6_sctp(0xa, 0x5, 0x84) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r2, 0x84, 0x9, &(0x7f0000000580)={0x0, @in={{0x2, 0x0, @empty}}, 0x0, 0x0, 0x3fc, 0x0, 0x32}, 0x9c) bind$packet(0xffffffffffffffff, &(0x7f0000000140)={0x11, 0xf0, 0x0, 0x1, 0x0, 0x6, @multicast}, 0x14) sendto$inet6(r2, &(0x7f0000847fff)='X', 0x34000, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) 18:01:57 executing program 2: prctl$PR_SCHED_CORE(0x3e, 0x1, 0x0, 0x2, 0x0) r0 = syz_open_dev$sndmidi(&(0x7f0000000040), 0x2, 0x0) r1 = dup(r0) write$6lowpan_enable(r1, &(0x7f0000000000)='0', 0xfffffd2c) syz_open_procfs(0x0, &(0x7f0000000080)='net/dev\x00') r2 = socket$inet6_sctp(0xa, 0x5, 0x84) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r2, 0x84, 0x9, &(0x7f0000000580)={0x0, @in={{0x2, 0x0, @empty}}, 0x0, 0x0, 0x3fc, 0x0, 0x32}, 0x9c) bind$packet(0xffffffffffffffff, &(0x7f0000000140)={0x11, 0xf0, 0x0, 0x1, 0x0, 0x6, @multicast}, 0x14) sendto$inet6(r2, &(0x7f0000847fff)='X', 0x34000, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) 18:01:57 executing program 3: prctl$PR_SCHED_CORE(0x3e, 0x1, 0x0, 0x2, 0x0) r0 = syz_open_dev$sndmidi(&(0x7f0000000040), 0x2, 0x141101) r1 = dup(r0) write$6lowpan_enable(r1, &(0x7f0000000000)='0', 0xfffffd2c) r2 = getpid() tkill(r2, 0x0) syz_open_procfs(r2, &(0x7f0000000080)='net/dev\x00') r3 = socket$inet6_sctp(0xa, 0x5, 0x84) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r3, 0x84, 0x9, &(0x7f0000000580)={0x0, @in={{0x2, 0x0, @empty}}, 0x0, 0x0, 0x3fc, 0x0, 0x32}, 0x9c) bind$inet6(r3, &(0x7f00004b8fe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) sendmsg$BATADV_CMD_GET_BLA_BACKBONE(0xffffffffffffffff, &(0x7f0000000240)={&(0x7f00000003c0)={0x10, 0x0, 0x0, 0x40000000}, 0xc, &(0x7f0000000580)={&(0x7f0000000ac0)=ANY=[@ANYBLOB="75b9609d35b13765f535640b1647adc8d4528d7dcb5ecd49ae55d43d3b97ecb1655aa6d8fee6b424e0505947a242cbd17bb07e95b202fc3c205cdbe6a8f96871306ae8b68ac958053ac4db38ca0dc66bbffd0930941f68eeb164059f458da7acaa5be83249f1180500a3884f69053123e3ce572b9b117c90fe0a17097d317242", @ANYRES32, @ANYRES64, @ANYRESOCT, @ANYBLOB="08003c0000080000ffa459f4d55ea7e660d27ca685e5ff2d0008000000080006003a47559364f7aad7844855eeb6e6d7b1e57d788f8dbacc87d90731e061160ba4f8e213ac52941d846cf53ab15299b9743f8bb0e6ea7725942d910a", @ANYRES16, @ANYRESOCT], 0x54}, 0x1, 0x0, 0x0, 0x4041}, 0x0) r4 = syz_mount_image$vfat(&(0x7f0000000900), &(0x7f0000000940)='./file0\x00', 0x200007, 0x3, &(0x7f0000000700)=[{&(0x7f0000000000)="eb3c906d8d6673fdd2617400028001000240000004f801", 0x17}, {&(0x7f0000001440)="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", 0x144, 0x601}, {0x0, 0x0, 0x5}], 0x800440, &(0x7f00000004c0)={[{@shortname_winnt}, {@fat=@gid}, {@iocharset={'iocharset', 0x3d, 'cp866'}}, {@fat=@fmask={'fmask', 0x3d, 0x1ff}}, {@rodir}, {@fat=@errors_remount}, {@shortname_win95}, {@uni_xlate}, {@uni_xlateno}, {@utf8}, {@uni_xlate}, {@utf8no}]}) sendmsg$IPSET_CMD_DEL(0xffffffffffffffff, &(0x7f0000000a80)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x200}, 0xc, &(0x7f0000000400)={&(0x7f00000008c0)=ANY=[@ANYRES64], 0x60}, 0x1, 0x0, 0x0, 0x8840}, 0x4040050) sendmsg$nl_route(0xffffffffffffffff, &(0x7f0000000980)={&(0x7f0000000440)={0x10, 0x0, 0x0, 0x10000000}, 0xc, &(0x7f0000000740)={&(0x7f0000000d00)=ANY=[@ANYBLOB="86f2407d8a204caf80b640e69a13fefeff6f0000042ba98cfcfccd470037369314427ebd70000000000000000000000000000000cdfb0fa21b95f8072c528f2858315775d7552e", @ANYRES32=0x0, @ANYBLOB="0c943d0559ff0600ff0000000c00018005000600c0000000100001800c00a03a03462081c7fc75d9ffffbf", @ANYRESDEC=r4, @ANYRES64], 0x40}, 0x1, 0x0, 0x0, 0x4008000}, 0x44040) sendmsg$DEVLINK_CMD_TRAP_POLICER_GET(0xffffffffffffffff, &(0x7f0000000780)={&(0x7f0000000480)={0x10, 0x0, 0x0, 0x1000}, 0xc, &(0x7f0000000680)={&(0x7f0000000f40)=ANY=[@ANYBLOB="dd82fa64e3415dc226d3ac622a8239db19850e5d1f97ad157d6e4d3b4b1eb09bbca07c99827fb7c132f6ded2b0753747f344067fa51608045c50c82cae8b9d8c5f9f", @ANYRESHEX, @ANYBLOB="000129bd7000fcdbdf35450900000001006e657464657673696d0000000f0002006e65746465ffffffffffffffff008e0001000000080029210ffe70f74135c6c84e95f601007063690011000200303030303a300008008e0000000000080001007063690011000200303030303a30303a31302e300000000408001700a1a628523064156e9f9c48c438c3489ada27a5332186e0618640bae922d4a91285d89e0cf8a2ec5e1bd9978ab6f6864f227aefb818605bb5faa903f2e69df3d3f06c95224bfd42e23b13a9b0ecf7e26eec4ccacef0f496c155b78af42fc33ec2a7e500"/233, @ANYRES16=r4, @ANYRESDEC, @ANYRESOCT, @ANYRES8], 0x84}, 0x1, 0x0, 0x0, 0x85}, 0x40000) sendmsg$nl_route(0xffffffffffffffff, &(0x7f0000000a00)={&(0x7f00000007c0)={0x10, 0x0, 0x0, 0x200000}, 0xc, &(0x7f0000000880)={&(0x7f0000000c00)=ANY=[@ANYBLOB="240000499a000400d7cfb9710f73c673000700ac1e0011000000000000000000000000005a381ff052b251", @ANYRES16, @ANYRESDEC, @ANYRES16, @ANYRES16, @ANYRESOCT], 0x24}, 0x1, 0x0, 0x0, 0x4044080}, 0x8080) bind$packet(0xffffffffffffffff, &(0x7f0000000140)={0x11, 0xf0, 0x0, 0x1, 0x0, 0x6, @multicast}, 0x14) close_range(0xffffffffffffffff, 0xffffffffffffffff, 0x2) sendto$inet6(r3, &(0x7f0000847fff)='X', 0x34000, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) 18:01:57 executing program 2: prctl$PR_SCHED_CORE(0x3e, 0x1, 0x0, 0x2, 0x0) syz_open_dev$sndmidi(&(0x7f0000000040), 0x2, 0x141101) r0 = dup(0xffffffffffffffff) write$6lowpan_enable(r0, &(0x7f0000000000)='0', 0xfffffd2c) syz_open_procfs(0x0, &(0x7f0000000080)='net/dev\x00') r1 = socket$inet6_sctp(0xa, 0x5, 0x84) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r1, 0x84, 0x9, &(0x7f0000000580)={0x0, @in={{0x2, 0x0, @empty}}, 0x0, 0x0, 0x3fc, 0x0, 0x32}, 0x9c) bind$packet(0xffffffffffffffff, &(0x7f0000000140)={0x11, 0xf0, 0x0, 0x1, 0x0, 0x6, @multicast}, 0x14) sendto$inet6(r1, &(0x7f0000847fff)='X', 0x34000, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) 18:01:57 executing program 4: prctl$PR_SCHED_CORE(0x3e, 0x1, 0x0, 0x2, 0x0) r0 = syz_open_dev$sndmidi(&(0x7f0000000040), 0x2, 0x0) r1 = dup(r0) write$6lowpan_enable(r1, &(0x7f0000000000)='0', 0xfffffd2c) syz_open_procfs(0x0, &(0x7f0000000080)='net/dev\x00') r2 = socket$inet6_sctp(0xa, 0x5, 0x84) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r2, 0x84, 0x9, &(0x7f0000000580)={0x0, @in={{0x2, 0x0, @empty}}, 0x0, 0x0, 0x3fc, 0x0, 0x32}, 0x9c) bind$packet(0xffffffffffffffff, &(0x7f0000000140)={0x11, 0xf0, 0x0, 0x1, 0x0, 0x6, @multicast}, 0x14) sendto$inet6(r2, &(0x7f0000847fff)='X', 0x34000, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) 18:01:57 executing program 0: prctl$PR_SCHED_CORE(0x3e, 0x1, 0x0, 0x2, 0x0) r0 = syz_open_dev$sndmidi(&(0x7f0000000040), 0x2, 0x141101) dup(r0) r1 = socket$inet6_sctp(0xa, 0x5, 0x84) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r1, 0x84, 0x9, &(0x7f0000000580)={0x0, @in={{0x2, 0x0, @empty}}, 0x0, 0x0, 0x3fc, 0x0, 0x32}, 0x9c) bind$packet(0xffffffffffffffff, &(0x7f0000000140)={0x11, 0xf0, 0x0, 0x1, 0x0, 0x6, @multicast}, 0x14) sendto$inet6(r1, &(0x7f0000847fff)='X', 0x34000, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) 18:01:57 executing program 1: prctl$PR_SCHED_CORE(0x3e, 0x1, 0x0, 0x2, 0x0) r0 = syz_open_dev$sndmidi(&(0x7f0000000040), 0x2, 0x141101) r1 = dup(r0) write$6lowpan_enable(r1, &(0x7f0000000000)='0', 0xfffffd2c) syz_open_procfs(0x0, &(0x7f0000000080)='net/dev\x00') r2 = socket$inet6_sctp(0xa, 0x5, 0x84) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r2, 0x84, 0x9, &(0x7f0000000580)={0x0, @in={{0x2, 0x0, @empty}}, 0x0, 0x0, 0x0, 0x0, 0x32}, 0x9c) bind$packet(0xffffffffffffffff, &(0x7f0000000140)={0x11, 0xf0, 0x0, 0x1, 0x0, 0x6, @multicast}, 0x14) sendto$inet6(r2, &(0x7f0000847fff)='X', 0x34000, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) [ 767.875131][T11534] loop3: detected capacity change from 0 to 4096 18:01:57 executing program 2: prctl$PR_SCHED_CORE(0x3e, 0x1, 0x0, 0x2, 0x0) syz_open_dev$sndmidi(&(0x7f0000000040), 0x2, 0x141101) r0 = dup(0xffffffffffffffff) write$6lowpan_enable(r0, &(0x7f0000000000)='0', 0xfffffd2c) syz_open_procfs(0x0, &(0x7f0000000080)='net/dev\x00') r1 = socket$inet6_sctp(0xa, 0x5, 0x84) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r1, 0x84, 0x9, &(0x7f0000000580)={0x0, @in={{0x2, 0x0, @empty}}, 0x0, 0x0, 0x3fc, 0x0, 0x32}, 0x9c) bind$packet(0xffffffffffffffff, &(0x7f0000000140)={0x11, 0xf0, 0x0, 0x1, 0x0, 0x6, @multicast}, 0x14) sendto$inet6(r1, &(0x7f0000847fff)='X', 0x34000, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) 18:01:57 executing program 4: prctl$PR_SCHED_CORE(0x3e, 0x1, 0x0, 0x2, 0x0) r0 = syz_open_dev$sndmidi(&(0x7f0000000040), 0x2, 0x141101) r1 = dup(r0) write$6lowpan_enable(r1, &(0x7f0000000000)='0', 0xfffffd2c) syz_open_procfs(0x0, &(0x7f0000000080)='net/dev\x00') r2 = socket$inet6_sctp(0xa, 0x5, 0x84) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r2, 0x84, 0x9, &(0x7f0000000580)={0x0, @in={{0x2, 0x0, @empty}}, 0x0, 0x0, 0x0, 0x0, 0x32}, 0x9c) bind$packet(0xffffffffffffffff, &(0x7f0000000140)={0x11, 0xf0, 0x0, 0x1, 0x0, 0x6, @multicast}, 0x14) sendto$inet6(r2, &(0x7f0000847fff)='X', 0x34000, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) 18:01:58 executing program 0: prctl$PR_SCHED_CORE(0x3e, 0x1, 0x0, 0x2, 0x0) r0 = syz_open_dev$sndmidi(&(0x7f0000000040), 0x2, 0x141101) dup(r0) r1 = socket$inet6_sctp(0xa, 0x5, 0x84) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r1, 0x84, 0x9, &(0x7f0000000580)={0x0, @in={{0x2, 0x0, @empty}}, 0x0, 0x0, 0x3fc, 0x0, 0x32}, 0x9c) bind$packet(0xffffffffffffffff, &(0x7f0000000140)={0x11, 0xf0, 0x0, 0x1, 0x0, 0x6, @multicast}, 0x14) sendto$inet6(r1, &(0x7f0000847fff)='X', 0x34000, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) 18:01:58 executing program 5: prctl$PR_SCHED_CORE(0x3e, 0x1, 0x0, 0x2, 0x0) r0 = syz_open_dev$sndmidi(&(0x7f0000000040), 0x2, 0x141101) r1 = dup(r0) write$6lowpan_enable(r1, &(0x7f0000000000)='0', 0xfffffd2c) r2 = socket$inet6_sctp(0xa, 0x5, 0x84) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r2, 0x84, 0x9, &(0x7f0000000580)={0x0, @in={{0x2, 0x0, @empty}}, 0x0, 0x0, 0x3fc, 0x0, 0x32}, 0x9c) bind$packet(0xffffffffffffffff, &(0x7f0000000140)={0x11, 0xf0, 0x0, 0x1, 0x0, 0x6, @multicast}, 0x14) sendto$inet6(r2, &(0x7f0000847fff)='X', 0x34000, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) 18:01:58 executing program 2: prctl$PR_SCHED_CORE(0x3e, 0x1, 0x0, 0x2, 0x0) syz_open_dev$sndmidi(&(0x7f0000000040), 0x2, 0x141101) r0 = dup(0xffffffffffffffff) write$6lowpan_enable(r0, &(0x7f0000000000)='0', 0xfffffd2c) syz_open_procfs(0x0, &(0x7f0000000080)='net/dev\x00') r1 = socket$inet6_sctp(0xa, 0x5, 0x84) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r1, 0x84, 0x9, &(0x7f0000000580)={0x0, @in={{0x2, 0x0, @empty}}, 0x0, 0x0, 0x3fc, 0x0, 0x32}, 0x9c) bind$packet(0xffffffffffffffff, &(0x7f0000000140)={0x11, 0xf0, 0x0, 0x1, 0x0, 0x6, @multicast}, 0x14) sendto$inet6(r1, &(0x7f0000847fff)='X', 0x34000, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) 18:01:58 executing program 0: prctl$PR_SCHED_CORE(0x3e, 0x1, 0x0, 0x2, 0x0) r0 = syz_open_dev$sndmidi(&(0x7f0000000040), 0x2, 0x141101) dup(r0) r1 = socket$inet6_sctp(0xa, 0x5, 0x84) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r1, 0x84, 0x9, &(0x7f0000000580)={0x0, @in={{0x2, 0x0, @empty}}, 0x0, 0x0, 0x3fc, 0x0, 0x32}, 0x9c) bind$packet(0xffffffffffffffff, &(0x7f0000000140)={0x11, 0xf0, 0x0, 0x1, 0x0, 0x6, @multicast}, 0x14) sendto$inet6(r1, &(0x7f0000847fff)='X', 0x34000, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) 18:01:58 executing program 2: prctl$PR_SCHED_CORE(0x3e, 0x1, 0x0, 0x2, 0x0) r0 = syz_open_dev$sndmidi(&(0x7f0000000040), 0x2, 0x141101) dup(r0) write$6lowpan_enable(0xffffffffffffffff, &(0x7f0000000000)='0', 0xfffffd2c) syz_open_procfs(0x0, &(0x7f0000000080)='net/dev\x00') r1 = socket$inet6_sctp(0xa, 0x5, 0x84) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r1, 0x84, 0x9, &(0x7f0000000580)={0x0, @in={{0x2, 0x0, @empty}}, 0x0, 0x0, 0x3fc, 0x0, 0x32}, 0x9c) bind$packet(0xffffffffffffffff, &(0x7f0000000140)={0x11, 0xf0, 0x0, 0x1, 0x0, 0x6, @multicast}, 0x14) sendto$inet6(r1, &(0x7f0000847fff)='X', 0x34000, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) 18:01:58 executing program 0: prctl$PR_SCHED_CORE(0x3e, 0x1, 0x0, 0x2, 0x0) syz_open_dev$sndmidi(&(0x7f0000000040), 0x2, 0x141101) write$6lowpan_enable(0xffffffffffffffff, &(0x7f0000000000)='0', 0xfffffd2c) r0 = socket$inet6_sctp(0xa, 0x5, 0x84) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r0, 0x84, 0x9, &(0x7f0000000580)={0x0, @in={{0x2, 0x0, @empty}}, 0x0, 0x0, 0x3fc, 0x0, 0x32}, 0x9c) bind$packet(0xffffffffffffffff, &(0x7f0000000140)={0x11, 0xf0, 0x0, 0x1, 0x0, 0x6, @multicast}, 0x14) sendto$inet6(r0, &(0x7f0000847fff)='X', 0x34000, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) 18:01:58 executing program 2: prctl$PR_SCHED_CORE(0x3e, 0x1, 0x0, 0x2, 0x0) r0 = syz_open_dev$sndmidi(&(0x7f0000000040), 0x2, 0x141101) dup(r0) write$6lowpan_enable(0xffffffffffffffff, &(0x7f0000000000)='0', 0xfffffd2c) syz_open_procfs(0x0, &(0x7f0000000080)='net/dev\x00') r1 = socket$inet6_sctp(0xa, 0x5, 0x84) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r1, 0x84, 0x9, &(0x7f0000000580)={0x0, @in={{0x2, 0x0, @empty}}, 0x0, 0x0, 0x3fc, 0x0, 0x32}, 0x9c) bind$packet(0xffffffffffffffff, &(0x7f0000000140)={0x11, 0xf0, 0x0, 0x1, 0x0, 0x6, @multicast}, 0x14) sendto$inet6(r1, &(0x7f0000847fff)='X', 0x34000, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) 18:01:58 executing program 3: prctl$PR_SCHED_CORE(0x3e, 0x1, 0x0, 0x2, 0x0) r0 = syz_open_dev$sndmidi(&(0x7f0000000040), 0x2, 0x141101) dup(r0) write$6lowpan_enable(0xffffffffffffffff, &(0x7f0000000000)='0', 0xfffffd2c) syz_open_procfs(0x0, &(0x7f0000000080)='net/dev\x00') r1 = socket$inet6_sctp(0xa, 0x5, 0x84) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r1, 0x84, 0x9, &(0x7f0000000580)={0x0, @in={{0x2, 0x0, @empty}}, 0x0, 0x0, 0x3fc, 0x0, 0x32}, 0x9c) bind$packet(0xffffffffffffffff, &(0x7f0000000140)={0x11, 0xf0, 0x0, 0x1, 0x0, 0x6, @multicast}, 0x14) sendto$inet6(r1, &(0x7f0000847fff)='X', 0x34000, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) 18:01:58 executing program 1: prctl$PR_SCHED_CORE(0x3e, 0x1, 0x0, 0x2, 0x0) r0 = syz_open_dev$sndmidi(&(0x7f0000000040), 0x2, 0x141101) r1 = dup(r0) write$6lowpan_enable(r1, &(0x7f0000000000)='0', 0xfffffd2c) syz_open_procfs(0x0, &(0x7f0000000080)='net/dev\x00') r2 = socket$inet6_sctp(0xa, 0x5, 0x84) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r2, 0x84, 0x9, &(0x7f0000000580)={0x0, @in={{0x2, 0x0, @empty}}, 0x0, 0x0, 0x3fc}, 0x9c) bind$packet(0xffffffffffffffff, &(0x7f0000000140)={0x11, 0xf0, 0x0, 0x1, 0x0, 0x6, @multicast}, 0x14) sendto$inet6(r2, &(0x7f0000847fff)='X', 0x34000, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) 18:01:59 executing program 4: prctl$PR_SCHED_CORE(0x3e, 0x1, 0x0, 0x2, 0x0) syz_open_dev$sndmidi(&(0x7f0000000040), 0x2, 0x141101) r0 = dup(0xffffffffffffffff) write$6lowpan_enable(r0, &(0x7f0000000000)='0', 0xfffffd2c) syz_open_procfs(0x0, &(0x7f0000000080)='net/dev\x00') r1 = socket$inet6_sctp(0xa, 0x5, 0x84) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r1, 0x84, 0x9, &(0x7f0000000580)={0x0, @in={{0x2, 0x0, @empty}}, 0x0, 0x0, 0x3fc, 0x0, 0x32}, 0x9c) bind$packet(0xffffffffffffffff, &(0x7f0000000140)={0x11, 0xf0, 0x0, 0x1, 0x0, 0x6, @multicast}, 0x14) sendto$inet6(r1, &(0x7f0000847fff)='X', 0x34000, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) 18:01:59 executing program 2: prctl$PR_SCHED_CORE(0x3e, 0x1, 0x0, 0x2, 0x0) r0 = syz_open_dev$sndmidi(&(0x7f0000000040), 0x2, 0x141101) dup(r0) write$6lowpan_enable(0xffffffffffffffff, &(0x7f0000000000)='0', 0xfffffd2c) syz_open_procfs(0x0, &(0x7f0000000080)='net/dev\x00') r1 = socket$inet6_sctp(0xa, 0x5, 0x84) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r1, 0x84, 0x9, &(0x7f0000000580)={0x0, @in={{0x2, 0x0, @empty}}, 0x0, 0x0, 0x3fc, 0x0, 0x32}, 0x9c) bind$packet(0xffffffffffffffff, &(0x7f0000000140)={0x11, 0xf0, 0x0, 0x1, 0x0, 0x6, @multicast}, 0x14) sendto$inet6(r1, &(0x7f0000847fff)='X', 0x34000, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) 18:01:59 executing program 0: prctl$PR_SCHED_CORE(0x3e, 0x1, 0x0, 0x2, 0x0) syz_open_dev$sndmidi(&(0x7f0000000040), 0x2, 0x141101) write$6lowpan_enable(0xffffffffffffffff, &(0x7f0000000000)='0', 0xfffffd2c) r0 = socket$inet6_sctp(0xa, 0x5, 0x84) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r0, 0x84, 0x9, &(0x7f0000000580)={0x0, @in={{0x2, 0x0, @empty}}, 0x0, 0x0, 0x3fc, 0x0, 0x32}, 0x9c) bind$packet(0xffffffffffffffff, &(0x7f0000000140)={0x11, 0xf0, 0x0, 0x1, 0x0, 0x6, @multicast}, 0x14) sendto$inet6(r0, &(0x7f0000847fff)='X', 0x34000, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) 18:01:59 executing program 2: prctl$PR_SCHED_CORE(0x3e, 0x1, 0x0, 0x2, 0x0) r0 = syz_open_dev$sndmidi(&(0x7f0000000040), 0x2, 0x141101) r1 = dup(r0) write$6lowpan_enable(r1, 0x0, 0x0) syz_open_procfs(0x0, &(0x7f0000000080)='net/dev\x00') r2 = socket$inet6_sctp(0xa, 0x5, 0x84) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r2, 0x84, 0x9, &(0x7f0000000580)={0x0, @in={{0x2, 0x0, @empty}}, 0x0, 0x0, 0x3fc, 0x0, 0x32}, 0x9c) bind$packet(0xffffffffffffffff, &(0x7f0000000140)={0x11, 0xf0, 0x0, 0x1, 0x0, 0x6, @multicast}, 0x14) sendto$inet6(r2, &(0x7f0000847fff)='X', 0x34000, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) 18:01:59 executing program 5: prctl$PR_SCHED_CORE(0x3e, 0x1, 0x0, 0x2, 0x0) r0 = syz_open_dev$sndmidi(0x0, 0x2, 0x141101) r1 = dup(r0) write$6lowpan_enable(r1, &(0x7f0000000000)='0', 0xfffffd2c) syz_open_procfs(0x0, &(0x7f0000000080)='net/dev\x00') r2 = socket$inet6_sctp(0xa, 0x5, 0x84) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r2, 0x84, 0x9, &(0x7f0000000580)={0x0, @in={{0x2, 0x0, @empty}}, 0x0, 0x0, 0x3fc, 0x0, 0x32}, 0x9c) bind$packet(0xffffffffffffffff, &(0x7f0000000140)={0x11, 0xf0, 0x0, 0x1, 0x0, 0x6, @multicast}, 0x14) sendto$inet6(r2, &(0x7f0000847fff)='X', 0x34000, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) 18:01:59 executing program 4: prctl$PR_SCHED_CORE(0x3e, 0x1, 0x0, 0x2, 0x0) syz_open_dev$sndmidi(&(0x7f0000000040), 0x2, 0x141101) write$6lowpan_enable(0xffffffffffffffff, &(0x7f0000000000)='0', 0xfffffd2c) r0 = socket$inet6_sctp(0xa, 0x5, 0x84) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r0, 0x84, 0x9, &(0x7f0000000580)={0x0, @in={{0x2, 0x0, @empty}}, 0x0, 0x0, 0x3fc, 0x0, 0x32}, 0x9c) bind$packet(0xffffffffffffffff, &(0x7f0000000140)={0x11, 0xf0, 0x0, 0x1, 0x0, 0x6, @multicast}, 0x14) sendto$inet6(r0, &(0x7f0000847fff)='X', 0x34000, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) 18:01:59 executing program 0: prctl$PR_SCHED_CORE(0x3e, 0x1, 0x0, 0x2, 0x0) syz_open_dev$sndmidi(&(0x7f0000000040), 0x2, 0x141101) write$6lowpan_enable(0xffffffffffffffff, &(0x7f0000000000)='0', 0xfffffd2c) r0 = socket$inet6_sctp(0xa, 0x5, 0x84) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r0, 0x84, 0x9, &(0x7f0000000580)={0x0, @in={{0x2, 0x0, @empty}}, 0x0, 0x0, 0x3fc, 0x0, 0x32}, 0x9c) bind$packet(0xffffffffffffffff, &(0x7f0000000140)={0x11, 0xf0, 0x0, 0x1, 0x0, 0x6, @multicast}, 0x14) sendto$inet6(r0, &(0x7f0000847fff)='X', 0x34000, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) 18:01:59 executing program 2: prctl$PR_SCHED_CORE(0x3e, 0x1, 0x0, 0x2, 0x0) r0 = syz_open_dev$sndmidi(&(0x7f0000000040), 0x2, 0x141101) r1 = dup(r0) write$6lowpan_enable(r1, 0x0, 0x0) syz_open_procfs(0x0, 0x0) r2 = socket$inet6_sctp(0xa, 0x5, 0x84) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r2, 0x84, 0x9, &(0x7f0000000580)={0x0, @in={{0x2, 0x0, @empty}}, 0x0, 0x0, 0x3fc, 0x0, 0x32}, 0x9c) bind$packet(0xffffffffffffffff, &(0x7f0000000140)={0x11, 0xf0, 0x0, 0x1, 0x0, 0x6, @multicast}, 0x14) sendto$inet6(r2, &(0x7f0000847fff)='X', 0x34000, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) 18:01:59 executing program 0: prctl$PR_SCHED_CORE(0x3e, 0x1, 0x0, 0x2, 0x0) r0 = dup(0xffffffffffffffff) write$6lowpan_enable(r0, &(0x7f0000000000)='0', 0xfffffd2c) r1 = socket$inet6_sctp(0xa, 0x5, 0x84) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r1, 0x84, 0x9, &(0x7f0000000580)={0x0, @in={{0x2, 0x0, @empty}}, 0x0, 0x0, 0x3fc, 0x0, 0x32}, 0x9c) bind$packet(0xffffffffffffffff, &(0x7f0000000140)={0x11, 0xf0, 0x0, 0x1, 0x0, 0x6, @multicast}, 0x14) sendto$inet6(r1, &(0x7f0000847fff)='X', 0x34000, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) 18:01:59 executing program 4: prctl$PR_SCHED_CORE(0x3e, 0x1, 0x0, 0x2, 0x0) r0 = syz_open_dev$sndmidi(&(0x7f0000000040), 0x2, 0x141101) r1 = dup(r0) write$6lowpan_enable(r1, &(0x7f0000000000)='0', 0xfffffd2c) r2 = getpid() tkill(r2, 0x0) syz_open_procfs(r2, &(0x7f0000000080)='net/dev\x00') r3 = socket$inet6_sctp(0xa, 0x5, 0x84) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r3, 0x84, 0x9, &(0x7f0000000580)={0x0, @in={{0x2, 0x0, @empty}}, 0x0, 0x0, 0x3fc, 0x0, 0x32}, 0x9c) bind$inet6(r3, &(0x7f00004b8fe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) sendmsg$BATADV_CMD_GET_BLA_BACKBONE(0xffffffffffffffff, &(0x7f0000000240)={&(0x7f00000003c0)={0x10, 0x0, 0x0, 0x40000000}, 0xc, &(0x7f0000000580)={&(0x7f0000000ac0)=ANY=[@ANYBLOB="75b9609d35b13765f535640b1647adc8d4528d7dcb5ecd49ae55d43d3b97ecb1655aa6d8fee6b424e0505947a242cbd17bb07e95b202fc3c205cdbe6a8f96871306ae8b68ac958053ac4db38ca0dc66bbffd0930941f68eeb164059f458da7acaa5be83249f1180500a3884f69053123e3ce572b9b117c90fe0a17097d317242", @ANYRES32, @ANYRES64, @ANYRESOCT, @ANYBLOB="08003c0000080000ffa459f4d55ea7e660d27ca685e5ff2d0008000000080006003a47559364f7aad7844855eeb6e6d7b1e57d788f8dbacc87d90731e061160ba4f8e213ac52941d846cf53ab15299b9743f8bb0e6ea7725942d910a", @ANYRES16, @ANYRESOCT], 0x54}, 0x1, 0x0, 0x0, 0x4041}, 0x0) r4 = syz_mount_image$vfat(&(0x7f0000000900), &(0x7f0000000940)='./file0\x00', 0x200007, 0x3, &(0x7f0000000700)=[{&(0x7f0000000000)="eb3c906d8d6673fdd2617400028001000240000004f801", 0x17}, {&(0x7f0000001440)="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", 0x144, 0x601}, {0x0, 0x0, 0x5}], 0x800440, &(0x7f00000004c0)={[{@shortname_winnt}, {@fat=@gid}, {@iocharset={'iocharset', 0x3d, 'cp866'}}, {@fat=@fmask={'fmask', 0x3d, 0x1ff}}, {@rodir}, {@fat=@errors_remount}, {@shortname_win95}, {@uni_xlate}, {@uni_xlateno}, {@utf8}, {@uni_xlate}, {@utf8no}]}) sendmsg$IPSET_CMD_DEL(0xffffffffffffffff, &(0x7f0000000a80)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x200}, 0xc, &(0x7f0000000400)={&(0x7f00000008c0)=ANY=[@ANYRES64], 0x60}, 0x1, 0x0, 0x0, 0x8840}, 0x4040050) sendmsg$nl_route(0xffffffffffffffff, &(0x7f0000000980)={&(0x7f0000000440)={0x10, 0x0, 0x0, 0x10000000}, 0xc, &(0x7f0000000740)={&(0x7f0000000d00)=ANY=[@ANYBLOB="86f2407d8a204caf80b640e69a13fefeff6f0000042ba98cfcfccd470037369314427ebd70000000000000000000000000000000cdfb0fa21b95f8072c528f2858315775d7552e", @ANYRES32=0x0, @ANYBLOB="0c943d0559ff0600ff0000000c00018005000600c0000000100001800c00a03a03462081c7fc75d9ffffbf", @ANYRESDEC=r4, @ANYRES64], 0x40}, 0x1, 0x0, 0x0, 0x4008000}, 0x44040) sendmsg$DEVLINK_CMD_TRAP_POLICER_GET(0xffffffffffffffff, &(0x7f0000000780)={&(0x7f0000000480)={0x10, 0x0, 0x0, 0x1000}, 0xc, &(0x7f0000000680)={&(0x7f0000000f40)=ANY=[@ANYBLOB="dd82fa64e3415dc226d3ac622a8239db19850e5d1f97ad157d6e4d3b4b1eb09bbca07c99827fb7c132f6ded2b0753747f344067fa51608045c50c82cae8b9d8c5f9f", @ANYRESHEX, @ANYBLOB="000129bd7000fcdbdf35450900000001006e657464657673696d0000000f0002006e65746465ffffffffffffffff008e0001000000080029210ffe70f74135c6c84e95f601007063690011000200303030303a300008008e0000000000080001007063690011000200303030303a30303a31302e300000000408001700a1a628523064156e9f9c48c438c3489ada27a5332186e0618640bae922d4a91285d89e0cf8a2ec5e1bd9978ab6f6864f227aefb818605bb5faa903f2e69df3d3f06c95224bfd42e23b13a9b0ecf7e26eec4ccacef0f496c155b78af42fc33ec2a7e500"/233, @ANYRES16=r4, @ANYRESDEC, @ANYRESOCT, @ANYRES8], 0x84}, 0x1, 0x0, 0x0, 0x85}, 0x40000) sendmsg$nl_route(0xffffffffffffffff, &(0x7f0000000a00)={&(0x7f00000007c0)={0x10, 0x0, 0x0, 0x200000}, 0xc, &(0x7f0000000880)={&(0x7f0000000c00)=ANY=[@ANYBLOB="240000499a000400d7cfb9710f73c673000700ac1e0011000000000000000000000000005a381ff052b251", @ANYRES16, @ANYRESDEC, @ANYRES16, @ANYRES16, @ANYRESOCT], 0x24}, 0x1, 0x0, 0x0, 0x4044080}, 0x8080) bind$packet(0xffffffffffffffff, &(0x7f0000000140)={0x11, 0xf0, 0x0, 0x1, 0x0, 0x6, @multicast}, 0x14) close_range(0xffffffffffffffff, 0xffffffffffffffff, 0x2) sendto$inet6(r3, &(0x7f0000847fff)='X', 0x34000, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) 18:01:59 executing program 1: prctl$PR_SCHED_CORE(0x3e, 0x1, 0x0, 0x2, 0x0) r0 = syz_open_dev$sndmidi(&(0x7f0000000040), 0x2, 0x141101) r1 = dup(r0) write$6lowpan_enable(r1, &(0x7f0000000000)='0', 0xfffffd2c) syz_open_procfs(0x0, &(0x7f0000000080)='net/dev\x00') r2 = socket$inet6_sctp(0xa, 0x5, 0x84) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r2, 0x84, 0x9, &(0x7f0000000580)={0x0, @in={{0x2, 0x0, @empty}}, 0x0, 0x0, 0x3fc}, 0x9c) bind$packet(0xffffffffffffffff, &(0x7f0000000140)={0x11, 0xf0, 0x0, 0x1, 0x0, 0x6, @multicast}, 0x14) sendto$inet6(r2, &(0x7f0000847fff)='X', 0x34000, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) 18:01:59 executing program 3: prctl$PR_SCHED_CORE(0x3e, 0x1, 0x0, 0x2, 0x0) r0 = syz_open_dev$sndmidi(&(0x7f0000000040), 0x2, 0x141101) dup(r0) write$6lowpan_enable(0xffffffffffffffff, &(0x7f0000000000)='0', 0xfffffd2c) syz_open_procfs(0x0, &(0x7f0000000080)='net/dev\x00') r1 = socket$inet6_sctp(0xa, 0x5, 0x84) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r1, 0x84, 0x9, &(0x7f0000000580)={0x0, @in={{0x2, 0x0, @empty}}, 0x0, 0x0, 0x3fc, 0x0, 0x32}, 0x9c) bind$packet(0xffffffffffffffff, &(0x7f0000000140)={0x11, 0xf0, 0x0, 0x1, 0x0, 0x6, @multicast}, 0x14) sendto$inet6(r1, &(0x7f0000847fff)='X', 0x34000, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) 18:01:59 executing program 2: prctl$PR_SCHED_CORE(0x3e, 0x1, 0x0, 0x2, 0x0) r0 = syz_open_dev$sndmidi(&(0x7f0000000040), 0x2, 0x141101) r1 = dup(r0) write$6lowpan_enable(r1, 0x0, 0x0) syz_open_procfs(0x0, 0x0) r2 = socket$inet6_sctp(0xa, 0x5, 0x84) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r2, 0x84, 0x9, &(0x7f0000000580)={0x0, @in={{0x2, 0x0, @empty}}, 0x0, 0x0, 0x3fc, 0x0, 0x32}, 0x9c) bind$packet(0xffffffffffffffff, &(0x7f0000000140)={0x11, 0xf0, 0x0, 0x1, 0x0, 0x6, @multicast}, 0x14) sendto$inet6(r2, &(0x7f0000847fff)='X', 0x34000, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) 18:01:59 executing program 5: prctl$PR_SCHED_CORE(0x3e, 0x1, 0x0, 0x2, 0x0) r0 = syz_open_dev$sndmidi(&(0x7f0000000040), 0x2, 0x141101) r1 = dup(r0) write$6lowpan_enable(r1, 0x0, 0x0) syz_open_procfs(0x0, 0x0) r2 = socket$inet6_sctp(0xa, 0x5, 0x84) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r2, 0x84, 0x9, &(0x7f0000000580)={0x0, @in={{0x2, 0x0, @empty}}, 0x0, 0x0, 0x3fc, 0x0, 0x32}, 0x9c) bind$packet(0xffffffffffffffff, &(0x7f0000000140)={0x11, 0xf0, 0x0, 0x1, 0x0, 0x6, @multicast}, 0x14) sendto$inet6(r2, &(0x7f0000847fff)='X', 0x34000, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) [ 769.957069][T11586] loop4: detected capacity change from 0 to 4096 18:02:00 executing program 0: r0 = dup(0xffffffffffffffff) write$6lowpan_enable(r0, &(0x7f0000000000)='0', 0xfffffd2c) r1 = socket$inet6_sctp(0xa, 0x5, 0x84) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r1, 0x84, 0x9, &(0x7f0000000580)={0x0, @in={{0x2, 0x0, @empty}}, 0x0, 0x0, 0x3fc, 0x0, 0x32}, 0x9c) bind$packet(0xffffffffffffffff, &(0x7f0000000140)={0x11, 0xf0, 0x0, 0x1, 0x0, 0x6, @multicast}, 0x14) sendto$inet6(r1, &(0x7f0000847fff)='X', 0x34000, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) 18:02:00 executing program 2: prctl$PR_SCHED_CORE(0x3e, 0x1, 0x0, 0x2, 0x0) r0 = syz_open_dev$sndmidi(&(0x7f0000000040), 0x2, 0x141101) r1 = dup(r0) write$6lowpan_enable(r1, 0x0, 0x0) syz_open_procfs(0x0, 0x0) r2 = socket$inet6_sctp(0xa, 0x5, 0x84) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r2, 0x84, 0x9, &(0x7f0000000580)={0x0, @in={{0x2, 0x0, @empty}}, 0x0, 0x0, 0x3fc, 0x0, 0x32}, 0x9c) bind$packet(0xffffffffffffffff, &(0x7f0000000140)={0x11, 0xf0, 0x0, 0x1, 0x0, 0x6, @multicast}, 0x14) sendto$inet6(r2, &(0x7f0000847fff)='X', 0x34000, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) 18:02:00 executing program 5: prctl$PR_SCHED_CORE(0x3e, 0x1, 0x0, 0x2, 0x0) r0 = dup(0xffffffffffffffff) write$6lowpan_enable(r0, &(0x7f0000000000)='0', 0xfffffd2c) r1 = socket$inet6_sctp(0xa, 0x5, 0x84) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r1, 0x84, 0x9, &(0x7f0000000580)={0x0, @in={{0x2, 0x0, @empty}}, 0x0, 0x0, 0x3fc, 0x0, 0x32}, 0x9c) bind$packet(0xffffffffffffffff, &(0x7f0000000140)={0x11, 0xf0, 0x0, 0x1, 0x0, 0x6, @multicast}, 0x14) sendto$inet6(r1, &(0x7f0000847fff)='X', 0x34000, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) 18:02:00 executing program 0: r0 = dup(0xffffffffffffffff) write$6lowpan_enable(r0, &(0x7f0000000000)='0', 0xfffffd2c) r1 = socket$inet6_sctp(0xa, 0x5, 0x84) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r1, 0x84, 0x9, &(0x7f0000000580)={0x0, @in={{0x2, 0x0, @empty}}, 0x0, 0x0, 0x3fc, 0x0, 0x32}, 0x9c) bind$packet(0xffffffffffffffff, &(0x7f0000000140)={0x11, 0xf0, 0x0, 0x1, 0x0, 0x6, @multicast}, 0x14) sendto$inet6(r1, &(0x7f0000847fff)='X', 0x34000, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) 18:02:00 executing program 2: prctl$PR_SCHED_CORE(0x3e, 0x1, 0x0, 0x2, 0x0) r0 = syz_open_dev$sndmidi(&(0x7f0000000040), 0x2, 0x141101) r1 = dup(r0) write$6lowpan_enable(r1, 0x0, 0x0) syz_open_procfs(0x0, &(0x7f0000000080)='net/dev\x00') r2 = socket$inet6_sctp(0xa, 0x0, 0x84) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r2, 0x84, 0x9, &(0x7f0000000580)={0x0, @in={{0x2, 0x0, @empty}}, 0x0, 0x0, 0x3fc, 0x0, 0x32}, 0x9c) bind$packet(0xffffffffffffffff, &(0x7f0000000140)={0x11, 0xf0, 0x0, 0x1, 0x0, 0x6, @multicast}, 0x14) sendto$inet6(r2, &(0x7f0000847fff)='X', 0x34000, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) 18:02:00 executing program 5: prctl$PR_SCHED_CORE(0x3e, 0x1, 0x0, 0x2, 0x0) r0 = syz_open_dev$sndmidi(&(0x7f0000000040), 0x2, 0x141101) r1 = dup(r0) write$6lowpan_enable(r1, &(0x7f0000000000)='0', 0xfffffd2c) syz_open_procfs(0x0, &(0x7f0000000080)='net/dev\x00') r2 = socket$inet6_sctp(0xa, 0x5, 0x84) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r2, 0x84, 0x9, &(0x7f0000000580)={0x0, @in={{0x2, 0x0, @empty}}, 0x0, 0x0, 0x3fc}, 0x9c) bind$packet(0xffffffffffffffff, &(0x7f0000000140)={0x11, 0xf0, 0x0, 0x1, 0x0, 0x6, @multicast}, 0x14) sendto$inet6(r2, &(0x7f0000847fff)='X', 0x34000, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) 18:02:00 executing program 0: r0 = dup(0xffffffffffffffff) write$6lowpan_enable(r0, &(0x7f0000000000)='0', 0xfffffd2c) r1 = socket$inet6_sctp(0xa, 0x5, 0x84) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r1, 0x84, 0x9, &(0x7f0000000580)={0x0, @in={{0x2, 0x0, @empty}}, 0x0, 0x0, 0x3fc, 0x0, 0x32}, 0x9c) bind$packet(0xffffffffffffffff, &(0x7f0000000140)={0x11, 0xf0, 0x0, 0x1, 0x0, 0x6, @multicast}, 0x14) sendto$inet6(r1, &(0x7f0000847fff)='X', 0x34000, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) 18:02:01 executing program 4: prctl$PR_SCHED_CORE(0x3e, 0x1, 0x0, 0x2, 0x0) r0 = syz_open_dev$sndmidi(&(0x7f0000000040), 0x2, 0x141101) r1 = dup(r0) write$6lowpan_enable(r1, &(0x7f0000000000)='0', 0xfffffd2c) syz_open_procfs(0x0, &(0x7f0000000080)='net/dev\x00') r2 = socket$inet6_sctp(0xa, 0x5, 0x84) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r2, 0x84, 0x9, &(0x7f0000000580)={0x0, @in={{0x2, 0x0, @empty}}, 0x0, 0x0, 0x3fc}, 0x9c) bind$packet(0xffffffffffffffff, &(0x7f0000000140)={0x11, 0xf0, 0x0, 0x1, 0x0, 0x6, @multicast}, 0x14) sendto$inet6(r2, &(0x7f0000847fff)='X', 0x34000, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) 18:02:01 executing program 1: prctl$PR_SCHED_CORE(0x3e, 0x1, 0x0, 0x2, 0x0) r0 = syz_open_dev$sndmidi(&(0x7f0000000040), 0x2, 0x141101) r1 = dup(r0) write$6lowpan_enable(r1, &(0x7f0000000000)='0', 0xfffffd2c) syz_open_procfs(0x0, &(0x7f0000000080)='net/dev\x00') r2 = socket$inet6_sctp(0xa, 0x5, 0x84) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r2, 0x84, 0x9, &(0x7f0000000580)={0x0, @in={{0x2, 0x0, @empty}}, 0x0, 0x0, 0x3fc}, 0x9c) bind$packet(0xffffffffffffffff, &(0x7f0000000140)={0x11, 0xf0, 0x0, 0x1, 0x0, 0x6, @multicast}, 0x14) sendto$inet6(r2, &(0x7f0000847fff)='X', 0x34000, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) 18:02:01 executing program 2: prctl$PR_SCHED_CORE(0x3e, 0x1, 0x0, 0x2, 0x0) r0 = syz_open_dev$sndmidi(&(0x7f0000000040), 0x2, 0x141101) r1 = dup(r0) write$6lowpan_enable(r1, 0x0, 0x0) syz_open_procfs(0x0, &(0x7f0000000080)='net/dev\x00') r2 = socket$inet6_sctp(0xa, 0x0, 0x84) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r2, 0x84, 0x9, &(0x7f0000000580)={0x0, @in={{0x2, 0x0, @empty}}, 0x0, 0x0, 0x3fc, 0x0, 0x32}, 0x9c) bind$packet(0xffffffffffffffff, &(0x7f0000000140)={0x11, 0xf0, 0x0, 0x1, 0x0, 0x6, @multicast}, 0x14) sendto$inet6(r2, &(0x7f0000847fff)='X', 0x34000, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) 18:02:01 executing program 3: prctl$PR_SCHED_CORE(0x3e, 0x1, 0x0, 0x2, 0x0) r0 = syz_open_dev$sndmidi(&(0x7f0000000040), 0x2, 0x141101) dup(r0) write$6lowpan_enable(0xffffffffffffffff, &(0x7f0000000000)='0', 0xfffffd2c) syz_open_procfs(0x0, &(0x7f0000000080)='net/dev\x00') r1 = socket$inet6_sctp(0xa, 0x5, 0x84) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r1, 0x84, 0x9, &(0x7f0000000580)={0x0, @in={{0x2, 0x0, @empty}}, 0x0, 0x0, 0x3fc, 0x0, 0x32}, 0x9c) bind$packet(0xffffffffffffffff, &(0x7f0000000140)={0x11, 0xf0, 0x0, 0x1, 0x0, 0x6, @multicast}, 0x14) sendto$inet6(r1, &(0x7f0000847fff)='X', 0x34000, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) 18:02:01 executing program 0: dup(0xffffffffffffffff) write$6lowpan_enable(0xffffffffffffffff, &(0x7f0000000000)='0', 0xfffffd2c) r0 = socket$inet6_sctp(0xa, 0x5, 0x84) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r0, 0x84, 0x9, &(0x7f0000000580)={0x0, @in={{0x2, 0x0, @empty}}, 0x0, 0x0, 0x3fc, 0x0, 0x32}, 0x9c) bind$packet(0xffffffffffffffff, &(0x7f0000000140)={0x11, 0xf0, 0x0, 0x1, 0x0, 0x6, @multicast}, 0x14) sendto$inet6(r0, &(0x7f0000847fff)='X', 0x34000, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) 18:02:01 executing program 0: dup(0xffffffffffffffff) write$6lowpan_enable(0xffffffffffffffff, &(0x7f0000000000)='0', 0xfffffd2c) r0 = socket$inet6_sctp(0xa, 0x5, 0x84) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r0, 0x84, 0x9, &(0x7f0000000580)={0x0, @in={{0x2, 0x0, @empty}}, 0x0, 0x0, 0x3fc, 0x0, 0x32}, 0x9c) bind$packet(0xffffffffffffffff, &(0x7f0000000140)={0x11, 0xf0, 0x0, 0x1, 0x0, 0x6, @multicast}, 0x14) sendto$inet6(r0, &(0x7f0000847fff)='X', 0x34000, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) 18:02:01 executing program 2: prctl$PR_SCHED_CORE(0x3e, 0x1, 0x0, 0x2, 0x0) r0 = syz_open_dev$sndmidi(&(0x7f0000000040), 0x2, 0x141101) r1 = dup(r0) write$6lowpan_enable(r1, 0x0, 0x0) syz_open_procfs(0x0, &(0x7f0000000080)='net/dev\x00') r2 = socket$inet6_sctp(0xa, 0x0, 0x84) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r2, 0x84, 0x9, &(0x7f0000000580)={0x0, @in={{0x2, 0x0, @empty}}, 0x0, 0x0, 0x3fc, 0x0, 0x32}, 0x9c) bind$packet(0xffffffffffffffff, &(0x7f0000000140)={0x11, 0xf0, 0x0, 0x1, 0x0, 0x6, @multicast}, 0x14) sendto$inet6(r2, &(0x7f0000847fff)='X', 0x34000, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) 18:02:01 executing program 0: dup(0xffffffffffffffff) write$6lowpan_enable(0xffffffffffffffff, &(0x7f0000000000)='0', 0xfffffd2c) r0 = socket$inet6_sctp(0xa, 0x5, 0x84) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r0, 0x84, 0x9, &(0x7f0000000580)={0x0, @in={{0x2, 0x0, @empty}}, 0x0, 0x0, 0x3fc, 0x0, 0x32}, 0x9c) bind$packet(0xffffffffffffffff, &(0x7f0000000140)={0x11, 0xf0, 0x0, 0x1, 0x0, 0x6, @multicast}, 0x14) sendto$inet6(r0, &(0x7f0000847fff)='X', 0x34000, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) 18:02:01 executing program 0: r0 = dup(0xffffffffffffffff) write$6lowpan_enable(r0, 0x0, 0x0) r1 = socket$inet6_sctp(0xa, 0x5, 0x84) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r1, 0x84, 0x9, &(0x7f0000000580)={0x0, @in={{0x2, 0x0, @empty}}, 0x0, 0x0, 0x3fc, 0x0, 0x32}, 0x9c) bind$packet(0xffffffffffffffff, &(0x7f0000000140)={0x11, 0xf0, 0x0, 0x1, 0x0, 0x6, @multicast}, 0x14) sendto$inet6(r1, &(0x7f0000847fff)='X', 0x34000, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) 18:02:01 executing program 2: prctl$PR_SCHED_CORE(0x3e, 0x1, 0x0, 0x2, 0x0) r0 = syz_open_dev$sndmidi(&(0x7f0000000040), 0x2, 0x141101) r1 = dup(r0) write$6lowpan_enable(r1, 0x0, 0x0) syz_open_procfs(0x0, &(0x7f0000000080)='net/dev\x00') r2 = socket$inet6_sctp(0xa, 0x5, 0x84) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(0xffffffffffffffff, 0x84, 0x9, &(0x7f0000000580)={0x0, @in={{0x2, 0x0, @empty}}, 0x0, 0x0, 0x3fc, 0x0, 0x32}, 0x9c) bind$packet(0xffffffffffffffff, &(0x7f0000000140)={0x11, 0xf0, 0x0, 0x1, 0x0, 0x6, @multicast}, 0x14) sendto$inet6(r2, &(0x7f0000847fff)='X', 0x34000, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) 18:02:02 executing program 5: prctl$PR_SCHED_CORE(0x3e, 0x1, 0x0, 0x2, 0x0) r0 = syz_open_dev$sndmidi(&(0x7f0000000040), 0x2, 0x141101) r1 = dup(r0) write$6lowpan_enable(r1, &(0x7f0000000000)='0', 0xfffffd2c) syz_open_procfs(0x0, &(0x7f0000000080)='net/dev\x00') r2 = socket$inet6_sctp(0xa, 0x5, 0x84) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r2, 0x84, 0x9, &(0x7f0000000580)={0x0, @in={{0x2, 0x0, @empty}}, 0x0, 0x0, 0x3fc}, 0x9c) bind$packet(0xffffffffffffffff, &(0x7f0000000140)={0x11, 0xf0, 0x0, 0x1, 0x0, 0x6, @multicast}, 0x14) sendto$inet6(r2, &(0x7f0000847fff)='X', 0x34000, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) 18:02:02 executing program 1: prctl$PR_SCHED_CORE(0x3e, 0x1, 0x0, 0x2, 0x0) r0 = syz_open_dev$sndmidi(&(0x7f0000000040), 0x2, 0x141101) r1 = dup(r0) write$6lowpan_enable(r1, &(0x7f0000000000)='0', 0xfffffd2c) syz_open_procfs(0x0, &(0x7f0000000080)='net/dev\x00') r2 = socket$inet6_sctp(0xa, 0x5, 0x84) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r2, 0x84, 0x9, &(0x7f0000000580)={0x0, @in={{0x2, 0x0, @empty}}, 0x0, 0x0, 0x3fc, 0x0, 0x32}, 0x9c) bind$packet(0xffffffffffffffff, 0x0, 0x0) sendto$inet6(r2, &(0x7f0000847fff)='X', 0x34000, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) 18:02:02 executing program 3: dup(0xffffffffffffffff) write$6lowpan_enable(0xffffffffffffffff, &(0x7f0000000000)='0', 0xfffffd2c) r0 = socket$inet6_sctp(0xa, 0x5, 0x84) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r0, 0x84, 0x9, &(0x7f0000000580)={0x0, @in={{0x2, 0x0, @empty}}, 0x0, 0x0, 0x3fc, 0x0, 0x32}, 0x9c) bind$packet(0xffffffffffffffff, &(0x7f0000000140)={0x11, 0xf0, 0x0, 0x1, 0x0, 0x6, @multicast}, 0x14) sendto$inet6(r0, &(0x7f0000847fff)='X', 0x34000, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) 18:02:02 executing program 0: r0 = dup(0xffffffffffffffff) write$6lowpan_enable(r0, 0x0, 0x0) r1 = socket$inet6_sctp(0xa, 0x5, 0x84) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r1, 0x84, 0x9, &(0x7f0000000580)={0x0, @in={{0x2, 0x0, @empty}}, 0x0, 0x0, 0x3fc, 0x0, 0x32}, 0x9c) bind$packet(0xffffffffffffffff, &(0x7f0000000140)={0x11, 0xf0, 0x0, 0x1, 0x0, 0x6, @multicast}, 0x14) sendto$inet6(r1, &(0x7f0000847fff)='X', 0x34000, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) 18:02:02 executing program 2: prctl$PR_SCHED_CORE(0x3e, 0x1, 0x0, 0x2, 0x0) r0 = syz_open_dev$sndmidi(&(0x7f0000000040), 0x2, 0x141101) r1 = dup(r0) write$6lowpan_enable(r1, 0x0, 0x0) syz_open_procfs(0x0, &(0x7f0000000080)='net/dev\x00') r2 = socket$inet6_sctp(0xa, 0x5, 0x84) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(0xffffffffffffffff, 0x84, 0x9, &(0x7f0000000580)={0x0, @in={{0x2, 0x0, @empty}}, 0x0, 0x0, 0x3fc, 0x0, 0x32}, 0x9c) bind$packet(0xffffffffffffffff, &(0x7f0000000140)={0x11, 0xf0, 0x0, 0x1, 0x0, 0x6, @multicast}, 0x14) sendto$inet6(r2, &(0x7f0000847fff)='X', 0x34000, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) 18:02:02 executing program 4: dup(0xffffffffffffffff) write$6lowpan_enable(0xffffffffffffffff, &(0x7f0000000000)='0', 0xfffffd2c) r0 = socket$inet6_sctp(0xa, 0x5, 0x84) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r0, 0x84, 0x9, &(0x7f0000000580)={0x0, @in={{0x2, 0x0, @empty}}, 0x0, 0x0, 0x3fc, 0x0, 0x32}, 0x9c) bind$packet(0xffffffffffffffff, &(0x7f0000000140)={0x11, 0xf0, 0x0, 0x1, 0x0, 0x6, @multicast}, 0x14) sendto$inet6(r0, &(0x7f0000847fff)='X', 0x34000, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) 18:02:02 executing program 2: prctl$PR_SCHED_CORE(0x3e, 0x1, 0x0, 0x2, 0x0) r0 = syz_open_dev$sndmidi(&(0x7f0000000040), 0x2, 0x141101) r1 = dup(r0) write$6lowpan_enable(r1, 0x0, 0x0) syz_open_procfs(0x0, &(0x7f0000000080)='net/dev\x00') r2 = socket$inet6_sctp(0xa, 0x5, 0x84) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(0xffffffffffffffff, 0x84, 0x9, &(0x7f0000000580)={0x0, @in={{0x2, 0x0, @empty}}, 0x0, 0x0, 0x3fc, 0x0, 0x32}, 0x9c) bind$packet(0xffffffffffffffff, &(0x7f0000000140)={0x11, 0xf0, 0x0, 0x1, 0x0, 0x6, @multicast}, 0x14) sendto$inet6(r2, &(0x7f0000847fff)='X', 0x34000, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) 18:02:02 executing program 0: r0 = dup(0xffffffffffffffff) write$6lowpan_enable(r0, 0x0, 0x0) r1 = socket$inet6_sctp(0xa, 0x5, 0x84) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r1, 0x84, 0x9, &(0x7f0000000580)={0x0, @in={{0x2, 0x0, @empty}}, 0x0, 0x0, 0x3fc, 0x0, 0x32}, 0x9c) bind$packet(0xffffffffffffffff, &(0x7f0000000140)={0x11, 0xf0, 0x0, 0x1, 0x0, 0x6, @multicast}, 0x14) sendto$inet6(r1, &(0x7f0000847fff)='X', 0x34000, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) 18:02:02 executing program 2: prctl$PR_SCHED_CORE(0x3e, 0x1, 0x0, 0x2, 0x0) r0 = syz_open_dev$sndmidi(&(0x7f0000000040), 0x2, 0x141101) r1 = dup(r0) write$6lowpan_enable(r1, 0x0, 0x0) syz_open_procfs(0x0, &(0x7f0000000080)='net/dev\x00') r2 = socket$inet6_sctp(0xa, 0x5, 0x84) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r2, 0x84, 0x9, 0x0, 0x0) bind$packet(0xffffffffffffffff, &(0x7f0000000140)={0x11, 0xf0, 0x0, 0x1, 0x0, 0x6, @multicast}, 0x14) sendto$inet6(r2, &(0x7f0000847fff)='X', 0x34000, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) 18:02:02 executing program 4: prlimit64(0x0, 0xe, &(0x7f0000000140)={0x8, 0x8b}, 0x0) sched_setscheduler(0x0, 0x2, &(0x7f0000000080)=0x8) r0 = getpid() getpid() sched_setscheduler(r0, 0x1, &(0x7f0000001700)=0x4) socketpair$unix(0x1, 0x2, 0x0, &(0x7f0000000200)={0xffffffffffffffff, 0xffffffffffffffff}) connect$unix(r1, &(0x7f000057eff8)=@abs, 0x6e) recvmmsg(r1, &(0x7f00000000c0), 0x10106, 0x2, 0x0) r3 = openat$loop_ctrl(0xffffff9c, &(0x7f0000000040), 0x0, 0x0) sendmmsg(r2, &(0x7f0000000fc0)=[{{&(0x7f0000000240)=@l2tp={0x2, 0x0, @loopback, 0x1}, 0x80, 0x0, 0x2b}}, {{0x0, 0x0, 0x0}}], 0x2, 0x440c4) r4 = getpid() tkill(r4, 0x0) sched_setaffinity(r4, 0x8, &(0x7f0000000000)=0x96f) ioctl$LOOP_CTL_ADD(r3, 0x4c80, 0x0) ioctl$LOOP_CTL_REMOVE(r3, 0x4c81, 0x0) 18:02:02 executing program 0: r0 = dup(0xffffffffffffffff) write$6lowpan_enable(r0, &(0x7f0000000000)='0', 0xfffffd2c) r1 = socket$inet6_sctp(0xa, 0x0, 0x84) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r1, 0x84, 0x9, &(0x7f0000000580)={0x0, @in={{0x2, 0x0, @empty}}, 0x0, 0x0, 0x3fc, 0x0, 0x32}, 0x9c) bind$packet(0xffffffffffffffff, &(0x7f0000000140)={0x11, 0xf0, 0x0, 0x1, 0x0, 0x6, @multicast}, 0x14) sendto$inet6(r1, &(0x7f0000847fff)='X', 0x34000, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) 18:02:02 executing program 2: prctl$PR_SCHED_CORE(0x3e, 0x1, 0x0, 0x2, 0x0) r0 = syz_open_dev$sndmidi(&(0x7f0000000040), 0x2, 0x141101) r1 = dup(r0) write$6lowpan_enable(r1, 0x0, 0x0) syz_open_procfs(0x0, &(0x7f0000000080)='net/dev\x00') r2 = socket$inet6_sctp(0xa, 0x5, 0x84) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r2, 0x84, 0x9, 0x0, 0x0) bind$packet(0xffffffffffffffff, &(0x7f0000000140)={0x11, 0xf0, 0x0, 0x1, 0x0, 0x6, @multicast}, 0x14) sendto$inet6(r2, &(0x7f0000847fff)='X', 0x34000, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) 18:02:03 executing program 5: r0 = dup(0xffffffffffffffff) write$6lowpan_enable(r0, 0x0, 0x0) r1 = socket$inet6_sctp(0xa, 0x5, 0x84) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r1, 0x84, 0x9, &(0x7f0000000580)={0x0, @in={{0x2, 0x0, @empty}}, 0x0, 0x0, 0x3fc, 0x0, 0x32}, 0x9c) bind$packet(0xffffffffffffffff, &(0x7f0000000140)={0x11, 0xf0, 0x0, 0x1, 0x0, 0x6, @multicast}, 0x14) sendto$inet6(r1, &(0x7f0000847fff)='X', 0x34000, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) 18:02:03 executing program 1: prctl$PR_SCHED_CORE(0x3e, 0x1, 0x0, 0x2, 0x0) r0 = syz_open_dev$sndmidi(&(0x7f0000000040), 0x2, 0x141101) r1 = dup(r0) write$6lowpan_enable(r1, &(0x7f0000000000)='0', 0xfffffd2c) syz_open_procfs(0x0, &(0x7f0000000080)='net/dev\x00') r2 = socket$inet6_sctp(0xa, 0x5, 0x84) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r2, 0x84, 0x9, &(0x7f0000000580)={0x0, @in={{0x2, 0x0, @empty}}, 0x0, 0x0, 0x3fc, 0x0, 0x32}, 0x9c) bind$packet(0xffffffffffffffff, 0x0, 0x0) sendto$inet6(r2, &(0x7f0000847fff)='X', 0x34000, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) 18:02:03 executing program 3: dup(0xffffffffffffffff) write$6lowpan_enable(0xffffffffffffffff, &(0x7f0000000000)='0', 0xfffffd2c) r0 = socket$inet6_sctp(0xa, 0x5, 0x84) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r0, 0x84, 0x9, &(0x7f0000000580)={0x0, @in={{0x2, 0x0, @empty}}, 0x0, 0x0, 0x3fc, 0x0, 0x32}, 0x9c) bind$packet(0xffffffffffffffff, &(0x7f0000000140)={0x11, 0xf0, 0x0, 0x1, 0x0, 0x6, @multicast}, 0x14) sendto$inet6(r0, &(0x7f0000847fff)='X', 0x34000, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) 18:02:03 executing program 2: prctl$PR_SCHED_CORE(0x3e, 0x1, 0x0, 0x2, 0x0) r0 = syz_open_dev$sndmidi(&(0x7f0000000040), 0x2, 0x141101) r1 = dup(r0) write$6lowpan_enable(r1, 0x0, 0x0) syz_open_procfs(0x0, &(0x7f0000000080)='net/dev\x00') r2 = socket$inet6_sctp(0xa, 0x5, 0x84) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r2, 0x84, 0x9, 0x0, 0x0) bind$packet(0xffffffffffffffff, &(0x7f0000000140)={0x11, 0xf0, 0x0, 0x1, 0x0, 0x6, @multicast}, 0x14) sendto$inet6(r2, &(0x7f0000847fff)='X', 0x34000, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) 18:02:03 executing program 5: ioctl$SNDRV_CTL_IOCTL_RAWMIDI_NEXT_DEVICE(0xffffffffffffffff, 0xc1205531, 0xfffffffffffffffc) syz_genetlink_get_family_id$devlink(0x0, 0xffffffffffffffff) r0 = syz_mount_image$vfat(&(0x7f0000000900), &(0x7f0000000940)='./file0\x00', 0x200007, 0x2, &(0x7f0000000700)=[{&(0x7f0000000000)="eb3c906d8d6673fdd2617400028001000240000004f801", 0x17}, {&(0x7f0000001440), 0x0, 0x601}], 0x800440, &(0x7f00000004c0)={[{@shortname_winnt}, {@fat=@gid}, {@iocharset={'iocharset', 0x3d, 'cp866'}}, {@fat=@fmask={'fmask', 0x3d, 0x1ff}}, {@rodir}, {@fat=@errors_remount}, {@shortname_win95}, {@uni_xlate}, {@uni_xlateno}, {@utf8}, {@uni_xlate}, {@utf8no}]}) mknodat$loop(r0, &(0x7f0000000000)='./file0\x00', 0x100, 0x0) 18:02:03 executing program 0: r0 = dup(0xffffffffffffffff) write$6lowpan_enable(r0, &(0x7f0000000000)='0', 0xfffffd2c) r1 = socket$inet6_sctp(0xa, 0x0, 0x84) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r1, 0x84, 0x9, &(0x7f0000000580)={0x0, @in={{0x2, 0x0, @empty}}, 0x0, 0x0, 0x3fc, 0x0, 0x32}, 0x9c) bind$packet(0xffffffffffffffff, &(0x7f0000000140)={0x11, 0xf0, 0x0, 0x1, 0x0, 0x6, @multicast}, 0x14) sendto$inet6(r1, &(0x7f0000847fff)='X', 0x34000, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) [ 773.304805][T11681] loop5: detected capacity change from 0 to 4096 18:02:03 executing program 5: prctl$PR_SCHED_CORE(0x3e, 0x1, 0x0, 0x2, 0x0) r0 = syz_open_dev$sndmidi(&(0x7f0000000040), 0x2, 0x141101) r1 = dup(r0) write$6lowpan_enable(r1, &(0x7f0000000000)='0', 0xfffffd2c) r2 = getpid() tkill(r2, 0x0) syz_open_procfs(r2, &(0x7f0000000080)='net/dev\x00') r3 = socket$inet6_sctp(0xa, 0x5, 0x84) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r3, 0x84, 0x9, &(0x7f0000000580)={0x0, @in={{0x2, 0x0, @empty}}, 0x0, 0x0, 0x3fc, 0x0, 0x32}, 0x9c) bind$inet6(r3, &(0x7f00004b8fe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) sendmsg$BATADV_CMD_GET_BLA_BACKBONE(0xffffffffffffffff, &(0x7f0000000240)={&(0x7f00000003c0)={0x10, 0x0, 0x0, 0x40000000}, 0xc, &(0x7f0000000580)={&(0x7f0000000ac0)=ANY=[@ANYBLOB="75b9609d35b13765f535640b1647adc8d4528d7dcb5ecd49ae55d43d3b97ecb1655aa6d8fee6b424e0505947a242cbd17bb07e95b202fc3c205cdbe6a8f96871306ae8b68ac958053ac4db38ca0dc66bbffd0930941f68eeb164059f458da7acaa5be83249f1180500a3884f69053123e3ce572b9b117c90fe0a17097d317242", @ANYRES32, @ANYRES64, @ANYRESOCT, @ANYBLOB="08003c0000080000ffa459f4d55ea7e660d27ca685e5ff2d0008000000080006003a47559364f7aad7844855eeb6e6d7b1e57d788f8dbacc87d90731e061160ba4f8e213ac52941d846cf53ab15299b9743f8bb0e6ea7725942d910a", @ANYRES16, @ANYRESOCT], 0x54}, 0x1, 0x0, 0x0, 0x4041}, 0x0) r4 = syz_mount_image$vfat(&(0x7f0000000900), &(0x7f0000000940)='./file0\x00', 0x200007, 0x3, &(0x7f0000000700)=[{&(0x7f0000000000)="eb3c906d8d6673fdd2617400028001000240000004f801", 0x17}, {&(0x7f0000001440)="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", 0x144, 0x601}, {0x0, 0x0, 0x5}], 0x800440, &(0x7f00000004c0)={[{@shortname_winnt}, {@fat=@gid}, {@iocharset={'iocharset', 0x3d, 'cp866'}}, {@fat=@fmask={'fmask', 0x3d, 0x1ff}}, {@rodir}, {@fat=@errors_remount}, {@shortname_win95}, {@uni_xlate}, {@uni_xlateno}, {@utf8}, {@uni_xlate}, {@utf8no}]}) sendmsg$IPSET_CMD_DEL(0xffffffffffffffff, &(0x7f0000000a80)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x200}, 0xc, &(0x7f0000000400)={&(0x7f00000008c0)=ANY=[@ANYRES64], 0x60}, 0x1, 0x0, 0x0, 0x8840}, 0x4040050) sendmsg$nl_route(0xffffffffffffffff, &(0x7f0000000980)={&(0x7f0000000440)={0x10, 0x0, 0x0, 0x10000000}, 0xc, &(0x7f0000000740)={&(0x7f0000000d00)=ANY=[@ANYBLOB="86f2407d8a204caf80b640e69a13fefeff6f0000042ba98cfcfccd470037369314427ebd70000000000000000000000000000000cdfb0fa21b95f8072c528f2858315775d7552e", @ANYRES32=0x0, @ANYBLOB="0c943d0559ff0600ff0000000c00018005000600c0000000100001800c00a03a03462081c7fc75d9ffffbf", @ANYRESDEC=r4, @ANYRES64], 0x40}, 0x1, 0x0, 0x0, 0x4008000}, 0x44040) sendmsg$DEVLINK_CMD_TRAP_POLICER_GET(0xffffffffffffffff, &(0x7f0000000780)={&(0x7f0000000480)={0x10, 0x0, 0x0, 0x1000}, 0xc, &(0x7f0000000680)={&(0x7f0000000f40)=ANY=[@ANYBLOB="dd82fa64e3415dc226d3ac622a8239db19850e5d1f97ad157d6e4d3b4b1eb09bbca07c99827fb7c132f6ded2b0753747f344067fa51608045c50c82cae8b9d8c5f9f", @ANYRESHEX, @ANYBLOB="000129bd7000fcdbdf35450900000001006e657464657673696d0000000f0002006e65746465ffffffffffffffff008e0001000000080029210ffe70f74135c6c84e95f601007063690011000200303030303a300008008e0000000000080001007063690011000200303030303a30303a31302e300000000408001700a1a628523064156e9f9c48c438c3489ada27a5332186e0618640bae922d4a91285d89e0cf8a2ec5e1bd9978ab6f6864f227aefb818605bb5faa903f2e69df3d3f06c95224bfd42e23b13a9b0ecf7e26eec4ccacef0f496c155b78af42fc33ec2a7e500"/233, @ANYRES16=r4, @ANYRESDEC, @ANYRESOCT, @ANYRES8], 0x84}, 0x1, 0x0, 0x0, 0x85}, 0x40000) sendmsg$nl_route(0xffffffffffffffff, &(0x7f0000000a00)={&(0x7f00000007c0)={0x10, 0x0, 0x0, 0x200000}, 0xc, &(0x7f0000000880)={&(0x7f0000000c00)=ANY=[@ANYBLOB="240000499a000400d7cfb9710f73c673000700ac1e0011000000000000000000000000005a381ff052b251", @ANYRES16, @ANYRESDEC, @ANYRES16, @ANYRES16, @ANYRESOCT], 0x24}, 0x1, 0x0, 0x0, 0x4044080}, 0x8080) bind$packet(0xffffffffffffffff, &(0x7f0000000140)={0x11, 0xf0, 0x0, 0x1, 0x0, 0x6, @multicast}, 0x14) close_range(0xffffffffffffffff, 0xffffffffffffffff, 0x2) sendto$inet6(r3, &(0x7f0000847fff)='X', 0x34000, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) 18:02:03 executing program 2: prctl$PR_SCHED_CORE(0x3e, 0x1, 0x0, 0x2, 0x0) r0 = syz_open_dev$sndmidi(&(0x7f0000000040), 0x2, 0x141101) r1 = dup(r0) write$6lowpan_enable(r1, 0x0, 0x0) syz_open_procfs(0x0, &(0x7f0000000080)='net/dev\x00') r2 = socket$inet6_sctp(0xa, 0x5, 0x84) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r2, 0x84, 0x9, &(0x7f0000000580)={0x0, @in={{0x2, 0x0, @empty}}, 0x0, 0x0, 0x0, 0x0, 0x32}, 0x9c) bind$packet(0xffffffffffffffff, &(0x7f0000000140)={0x11, 0xf0, 0x0, 0x1, 0x0, 0x6, @multicast}, 0x14) sendto$inet6(r2, &(0x7f0000847fff)='X', 0x34000, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) 18:02:03 executing program 0: r0 = dup(0xffffffffffffffff) write$6lowpan_enable(r0, &(0x7f0000000000)='0', 0xfffffd2c) r1 = socket$inet6_sctp(0xa, 0x0, 0x84) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r1, 0x84, 0x9, &(0x7f0000000580)={0x0, @in={{0x2, 0x0, @empty}}, 0x0, 0x0, 0x3fc, 0x0, 0x32}, 0x9c) bind$packet(0xffffffffffffffff, &(0x7f0000000140)={0x11, 0xf0, 0x0, 0x1, 0x0, 0x6, @multicast}, 0x14) sendto$inet6(r1, &(0x7f0000847fff)='X', 0x34000, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) 18:02:03 executing program 2: prctl$PR_SCHED_CORE(0x3e, 0x1, 0x0, 0x2, 0x0) r0 = syz_open_dev$sndmidi(&(0x7f0000000040), 0x2, 0x141101) r1 = dup(r0) write$6lowpan_enable(r1, 0x0, 0x0) syz_open_procfs(0x0, &(0x7f0000000080)='net/dev\x00') r2 = socket$inet6_sctp(0xa, 0x5, 0x84) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r2, 0x84, 0x9, &(0x7f0000000580)={0x0, @in={{0x2, 0x0, @empty}}, 0x0, 0x0, 0x0, 0x0, 0x32}, 0x9c) bind$packet(0xffffffffffffffff, &(0x7f0000000140)={0x11, 0xf0, 0x0, 0x1, 0x0, 0x6, @multicast}, 0x14) sendto$inet6(r2, &(0x7f0000847fff)='X', 0x34000, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) 18:02:03 executing program 4: prctl$PR_SCHED_CORE(0x3e, 0x1, 0x0, 0x2, 0x0) r0 = syz_open_dev$sndmidi(&(0x7f0000000040), 0x2, 0x141101) r1 = dup(r0) write$6lowpan_enable(r1, 0x0, 0x0) syz_open_procfs(0x0, &(0x7f0000000080)='net/dev\x00') r2 = socket$inet6_sctp(0xa, 0x5, 0x84) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r2, 0x84, 0x9, &(0x7f0000000580)={0x0, @in={{0x2, 0x0, @empty}}, 0x0, 0x0, 0x0, 0x0, 0x32}, 0x9c) bind$packet(0xffffffffffffffff, &(0x7f0000000140)={0x11, 0xf0, 0x0, 0x1, 0x0, 0x6, @multicast}, 0x14) sendto$inet6(r2, &(0x7f0000847fff)='X', 0x34000, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) [ 773.751643][T11699] loop5: detected capacity change from 0 to 4096 18:02:03 executing program 4: prctl$PR_SCHED_CORE(0x3e, 0x1, 0x0, 0x2, 0x0) r0 = syz_open_dev$sndmidi(&(0x7f0000000040), 0x2, 0x141101) r1 = dup(r0) write$6lowpan_enable(r1, 0x0, 0x0) syz_open_procfs(0x0, &(0x7f0000000080)='net/dev\x00') r2 = socket$inet6_sctp(0xa, 0x5, 0x84) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r2, 0x84, 0x9, 0x0, 0x0) bind$packet(0xffffffffffffffff, &(0x7f0000000140)={0x11, 0xf0, 0x0, 0x1, 0x0, 0x6, @multicast}, 0x14) sendto$inet6(r2, &(0x7f0000847fff)='X', 0x34000, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) 18:02:03 executing program 2: prctl$PR_SCHED_CORE(0x3e, 0x1, 0x0, 0x2, 0x0) r0 = syz_open_dev$sndmidi(&(0x7f0000000040), 0x2, 0x141101) r1 = dup(r0) write$6lowpan_enable(r1, 0x0, 0x0) syz_open_procfs(0x0, &(0x7f0000000080)='net/dev\x00') r2 = socket$inet6_sctp(0xa, 0x5, 0x84) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r2, 0x84, 0x9, &(0x7f0000000580)={0x0, @in={{0x2, 0x0, @empty}}, 0x0, 0x0, 0x0, 0x0, 0x32}, 0x9c) bind$packet(0xffffffffffffffff, &(0x7f0000000140)={0x11, 0xf0, 0x0, 0x1, 0x0, 0x6, @multicast}, 0x14) sendto$inet6(r2, &(0x7f0000847fff)='X', 0x34000, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) 18:02:04 executing program 1: prctl$PR_SCHED_CORE(0x3e, 0x1, 0x0, 0x2, 0x0) r0 = syz_open_dev$sndmidi(&(0x7f0000000040), 0x2, 0x141101) r1 = dup(r0) write$6lowpan_enable(r1, &(0x7f0000000000)='0', 0xfffffd2c) syz_open_procfs(0x0, &(0x7f0000000080)='net/dev\x00') r2 = socket$inet6_sctp(0xa, 0x5, 0x84) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r2, 0x84, 0x9, &(0x7f0000000580)={0x0, @in={{0x2, 0x0, @empty}}, 0x0, 0x0, 0x3fc, 0x0, 0x32}, 0x9c) bind$packet(0xffffffffffffffff, 0x0, 0x0) sendto$inet6(r2, &(0x7f0000847fff)='X', 0x34000, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) 18:02:04 executing program 0: r0 = dup(0xffffffffffffffff) write$6lowpan_enable(r0, &(0x7f0000000000)='0', 0xfffffd2c) r1 = socket$inet6_sctp(0xa, 0x5, 0x84) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(0xffffffffffffffff, 0x84, 0x9, &(0x7f0000000580)={0x0, @in={{0x2, 0x0, @empty}}, 0x0, 0x0, 0x3fc, 0x0, 0x32}, 0x9c) bind$packet(0xffffffffffffffff, &(0x7f0000000140)={0x11, 0xf0, 0x0, 0x1, 0x0, 0x6, @multicast}, 0x14) sendto$inet6(r1, &(0x7f0000847fff)='X', 0x34000, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) 18:02:04 executing program 3: dup(0xffffffffffffffff) write$6lowpan_enable(0xffffffffffffffff, &(0x7f0000000000)='0', 0xfffffd2c) r0 = socket$inet6_sctp(0xa, 0x5, 0x84) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r0, 0x84, 0x9, &(0x7f0000000580)={0x0, @in={{0x2, 0x0, @empty}}, 0x0, 0x0, 0x3fc, 0x0, 0x32}, 0x9c) bind$packet(0xffffffffffffffff, &(0x7f0000000140)={0x11, 0xf0, 0x0, 0x1, 0x0, 0x6, @multicast}, 0x14) sendto$inet6(r0, &(0x7f0000847fff)='X', 0x34000, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) 18:02:04 executing program 2: prctl$PR_SCHED_CORE(0x3e, 0x1, 0x0, 0x2, 0x0) r0 = syz_open_dev$sndmidi(&(0x7f0000000040), 0x2, 0x141101) r1 = dup(r0) write$6lowpan_enable(r1, 0x0, 0x0) syz_open_procfs(0x0, &(0x7f0000000080)='net/dev\x00') r2 = socket$inet6_sctp(0xa, 0x5, 0x84) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r2, 0x84, 0x9, &(0x7f0000000580)={0x0, @in={{0x2, 0x0, @empty}}, 0x0, 0x0, 0x3fc}, 0x9c) bind$packet(0xffffffffffffffff, &(0x7f0000000140)={0x11, 0xf0, 0x0, 0x1, 0x0, 0x6, @multicast}, 0x14) sendto$inet6(r2, &(0x7f0000847fff)='X', 0x34000, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) 18:02:04 executing program 4: prctl$PR_SCHED_CORE(0x3e, 0x1, 0x0, 0x2, 0x0) r0 = syz_open_dev$sndmidi(&(0x7f0000000040), 0x2, 0x141101) r1 = dup(r0) write$6lowpan_enable(r1, &(0x7f0000000000)='0', 0xfffffd2c) syz_open_procfs(0x0, &(0x7f0000000080)='net/dev\x00') r2 = socket$inet6_sctp(0xa, 0x5, 0x84) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r2, 0x84, 0x9, &(0x7f0000000580)={0x0, @in={{0x2, 0x0, @empty}}, 0x0, 0x0, 0x3fc, 0x0, 0x32}, 0x9c) bind$packet(0xffffffffffffffff, 0x0, 0x0) sendto$inet6(r2, &(0x7f0000847fff)='X', 0x34000, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) 18:02:04 executing program 0: r0 = dup(0xffffffffffffffff) write$6lowpan_enable(r0, &(0x7f0000000000)='0', 0xfffffd2c) r1 = socket$inet6_sctp(0xa, 0x5, 0x84) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(0xffffffffffffffff, 0x84, 0x9, &(0x7f0000000580)={0x0, @in={{0x2, 0x0, @empty}}, 0x0, 0x0, 0x3fc, 0x0, 0x32}, 0x9c) bind$packet(0xffffffffffffffff, &(0x7f0000000140)={0x11, 0xf0, 0x0, 0x1, 0x0, 0x6, @multicast}, 0x14) sendto$inet6(r1, &(0x7f0000847fff)='X', 0x34000, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) 18:02:04 executing program 5: ioctl$SNDRV_CTL_IOCTL_RAWMIDI_NEXT_DEVICE(0xffffffffffffffff, 0xc1205531, 0xfffffffffffffffc) r0 = syz_mount_image$vfat(&(0x7f0000000900), &(0x7f0000000940)='./file0\x00', 0x200007, 0x2, &(0x7f0000000700)=[{&(0x7f0000000000)="eb3c906d8d6673fdd2617400028001000240000004f801", 0x17}, {&(0x7f0000001440)="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", 0x144, 0x601}], 0x800440, &(0x7f00000004c0)={[{@shortname_winnt}, {@fat=@gid}, {@iocharset={'iocharset', 0x3d, 'cp866'}}, {@fat=@fmask={'fmask', 0x3d, 0x1ff}}, {@rodir}, {@fat=@errors_remount}, {@shortname_win95}, {@uni_xlate}, {@uni_xlateno}, {@utf8}, {@uni_xlate}, {@utf8no}]}) mknodat$loop(r0, &(0x7f0000000000)='./file0\x00', 0x100, 0x0) 18:02:04 executing program 2: prctl$PR_SCHED_CORE(0x3e, 0x1, 0x0, 0x2, 0x0) r0 = syz_open_dev$sndmidi(&(0x7f0000000040), 0x2, 0x141101) r1 = dup(r0) write$6lowpan_enable(r1, 0x0, 0x0) syz_open_procfs(0x0, &(0x7f0000000080)='net/dev\x00') r2 = socket$inet6_sctp(0xa, 0x5, 0x84) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r2, 0x84, 0x9, &(0x7f0000000580)={0x0, @in={{0x2, 0x0, @empty}}, 0x0, 0x0, 0x3fc}, 0x9c) bind$packet(0xffffffffffffffff, &(0x7f0000000140)={0x11, 0xf0, 0x0, 0x1, 0x0, 0x6, @multicast}, 0x14) sendto$inet6(r2, &(0x7f0000847fff)='X', 0x34000, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) 18:02:04 executing program 0: r0 = dup(0xffffffffffffffff) write$6lowpan_enable(r0, &(0x7f0000000000)='0', 0xfffffd2c) r1 = socket$inet6_sctp(0xa, 0x5, 0x84) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(0xffffffffffffffff, 0x84, 0x9, &(0x7f0000000580)={0x0, @in={{0x2, 0x0, @empty}}, 0x0, 0x0, 0x3fc, 0x0, 0x32}, 0x9c) bind$packet(0xffffffffffffffff, &(0x7f0000000140)={0x11, 0xf0, 0x0, 0x1, 0x0, 0x6, @multicast}, 0x14) sendto$inet6(r1, &(0x7f0000847fff)='X', 0x34000, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) 18:02:04 executing program 2: prctl$PR_SCHED_CORE(0x3e, 0x1, 0x0, 0x2, 0x0) r0 = syz_open_dev$sndmidi(&(0x7f0000000040), 0x2, 0x141101) r1 = dup(r0) write$6lowpan_enable(r1, 0x0, 0x0) syz_open_procfs(0x0, &(0x7f0000000080)='net/dev\x00') r2 = socket$inet6_sctp(0xa, 0x5, 0x84) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r2, 0x84, 0x9, &(0x7f0000000580)={0x0, @in={{0x2, 0x0, @empty}}, 0x0, 0x0, 0x3fc}, 0x9c) bind$packet(0xffffffffffffffff, &(0x7f0000000140)={0x11, 0xf0, 0x0, 0x1, 0x0, 0x6, @multicast}, 0x14) sendto$inet6(r2, &(0x7f0000847fff)='X', 0x34000, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) [ 774.909969][T11727] loop5: detected capacity change from 0 to 4096 18:02:04 executing program 5: prctl$PR_SCHED_CORE(0x3e, 0x1, 0x0, 0x2, 0x0) r0 = syz_open_dev$sndmidi(&(0x7f0000000040), 0x2, 0x141101) r1 = dup(r0) write$6lowpan_enable(r1, &(0x7f0000000000)='0', 0xfffffd2c) r2 = getpid() tkill(r2, 0x0) syz_open_procfs(r2, &(0x7f0000000080)='net/dev\x00') r3 = socket$inet6_sctp(0xa, 0x5, 0x84) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r3, 0x84, 0x9, &(0x7f0000000580)={0x0, @in={{0x2, 0x0, @empty}}, 0x0, 0x0, 0x3fc, 0x0, 0x32}, 0x9c) bind$inet6(r3, &(0x7f00004b8fe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) sendmsg$BATADV_CMD_GET_BLA_BACKBONE(0xffffffffffffffff, &(0x7f0000000240)={&(0x7f00000003c0)={0x10, 0x0, 0x0, 0x40000000}, 0xc, &(0x7f0000000580)={&(0x7f0000000ac0)=ANY=[@ANYBLOB="75b9609d35b13765f535640b1647adc8d4528d7dcb5ecd49ae55d43d3b97ecb1655aa6d8fee6b424e0505947a242cbd17bb07e95b202fc3c205cdbe6a8f96871306ae8b68ac958053ac4db38ca0dc66bbffd0930941f68eeb164059f458da7acaa5be83249f1180500a3884f69053123e3ce572b9b117c90fe0a17097d317242", @ANYRES32, @ANYRES64, @ANYRESOCT, @ANYBLOB="08003c0000080000ffa459f4d55ea7e660d27ca685e5ff2d0008000000080006003a47559364f7aad7844855eeb6e6d7b1e57d788f8dbacc87d90731e061160ba4f8e213ac52941d846cf53ab15299b9743f8bb0e6ea7725942d910a", @ANYRES16, @ANYRESOCT], 0x54}, 0x1, 0x0, 0x0, 0x4041}, 0x0) r4 = syz_mount_image$vfat(&(0x7f0000000900), &(0x7f0000000940)='./file0\x00', 0x200007, 0x3, &(0x7f0000000700)=[{&(0x7f0000000000)="eb3c906d8d6673fdd2617400028001000240000004f801", 0x17}, {&(0x7f0000001440)="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", 0x144, 0x601}, {0x0, 0x0, 0x5}], 0x800440, &(0x7f00000004c0)={[{@shortname_winnt}, {@fat=@gid}, {@iocharset={'iocharset', 0x3d, 'cp866'}}, {@fat=@fmask={'fmask', 0x3d, 0x1ff}}, {@rodir}, {@fat=@errors_remount}, {@shortname_win95}, {@uni_xlate}, {@uni_xlateno}, {@utf8}, {@uni_xlate}, {@utf8no}]}) sendmsg$IPSET_CMD_DEL(0xffffffffffffffff, &(0x7f0000000a80)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x200}, 0xc, &(0x7f0000000400)={&(0x7f00000008c0)=ANY=[@ANYRES64], 0x60}, 0x1, 0x0, 0x0, 0x8840}, 0x4040050) sendmsg$nl_route(0xffffffffffffffff, &(0x7f0000000980)={&(0x7f0000000440)={0x10, 0x0, 0x0, 0x10000000}, 0xc, &(0x7f0000000740)={&(0x7f0000000d00)=ANY=[@ANYBLOB="86f2407d8a204caf80b640e69a13fefeff6f0000042ba98cfcfccd470037369314427ebd70000000000000000000000000000000cdfb0fa21b95f8072c528f2858315775d7552e", @ANYRES32=0x0, @ANYBLOB="0c943d0559ff0600ff0000000c00018005000600c0000000100001800c00a03a03462081c7fc75d9ffffbf", @ANYRESDEC=r4, @ANYRES64], 0x40}, 0x1, 0x0, 0x0, 0x4008000}, 0x44040) sendmsg$DEVLINK_CMD_TRAP_POLICER_GET(0xffffffffffffffff, &(0x7f0000000780)={&(0x7f0000000480)={0x10, 0x0, 0x0, 0x1000}, 0xc, &(0x7f0000000680)={&(0x7f0000000f40)=ANY=[@ANYBLOB="dd82fa64e3415dc226d3ac622a8239db19850e5d1f97ad157d6e4d3b4b1eb09bbca07c99827fb7c132f6ded2b0753747f344067fa51608045c50c82cae8b9d8c5f9f", @ANYRESHEX, @ANYBLOB="000129bd7000fcdbdf35450900000001006e657464657673696d0000000f0002006e65746465ffffffffffffffff008e0001000000080029210ffe70f74135c6c84e95f601007063690011000200303030303a300008008e0000000000080001007063690011000200303030303a30303a31302e300000000408001700a1a628523064156e9f9c48c438c3489ada27a5332186e0618640bae922d4a91285d89e0cf8a2ec5e1bd9978ab6f6864f227aefb818605bb5faa903f2e69df3d3f06c95224bfd42e23b13a9b0ecf7e26eec4ccacef0f496c155b78af42fc33ec2a7e500"/233, @ANYRES16=r4, @ANYRESDEC, @ANYRESOCT, @ANYRES8], 0x84}, 0x1, 0x0, 0x0, 0x85}, 0x40000) sendmsg$nl_route(0xffffffffffffffff, &(0x7f0000000a00)={&(0x7f00000007c0)={0x10, 0x0, 0x0, 0x200000}, 0xc, &(0x7f0000000880)={&(0x7f0000000c00)=ANY=[@ANYBLOB="240000499a000400d7cfb9710f73c673000700ac1e0011000000000000000000000000005a381ff052b251", @ANYRES16, @ANYRESDEC, @ANYRES16, @ANYRES16, @ANYRESOCT], 0x24}, 0x1, 0x0, 0x0, 0x4044080}, 0x8080) bind$packet(0xffffffffffffffff, &(0x7f0000000140)={0x11, 0xf0, 0x0, 0x1, 0x0, 0x6, @multicast}, 0x14) close_range(0xffffffffffffffff, 0xffffffffffffffff, 0x2) sendto$inet6(r3, &(0x7f0000847fff)='X', 0x34000, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) 18:02:04 executing program 0: r0 = dup(0xffffffffffffffff) write$6lowpan_enable(r0, &(0x7f0000000000)='0', 0xfffffd2c) r1 = socket$inet6_sctp(0xa, 0x5, 0x84) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r1, 0x84, 0x9, 0x0, 0x0) bind$packet(0xffffffffffffffff, &(0x7f0000000140)={0x11, 0xf0, 0x0, 0x1, 0x0, 0x6, @multicast}, 0x14) sendto$inet6(r1, &(0x7f0000847fff)='X', 0x34000, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) 18:02:05 executing program 1: prctl$PR_SCHED_CORE(0x3e, 0x1, 0x0, 0x2, 0x0) r0 = syz_open_dev$sndmidi(&(0x7f0000000040), 0x2, 0x141101) r1 = dup(r0) write$6lowpan_enable(r1, &(0x7f0000000000)='0', 0xfffffd2c) syz_open_procfs(0x0, &(0x7f0000000080)='net/dev\x00') r2 = socket$inet6_sctp(0xa, 0x5, 0x84) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r2, 0x84, 0x9, &(0x7f0000000580)={0x0, @in={{0x2, 0x0, @empty}}, 0x0, 0x0, 0x3fc, 0x0, 0x32}, 0x9c) bind$packet(0xffffffffffffffff, &(0x7f0000000140)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @multicast}, 0x14) sendto$inet6(r2, &(0x7f0000847fff)='X', 0x34000, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) 18:02:05 executing program 2: prctl$PR_SCHED_CORE(0x3e, 0x1, 0x0, 0x2, 0x0) r0 = syz_open_dev$sndmidi(&(0x7f0000000040), 0x2, 0x141101) r1 = dup(r0) write$6lowpan_enable(r1, 0x0, 0x0) syz_open_procfs(0x0, &(0x7f0000000080)='net/dev\x00') r2 = socket$inet6_sctp(0xa, 0x5, 0x84) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r2, 0x84, 0x9, &(0x7f0000000580)={0x0, @in={{0x2, 0x0, @empty}}, 0x0, 0x0, 0x3fc, 0x0, 0x32}, 0x9c) bind$packet(0xffffffffffffffff, 0x0, 0x0) sendto$inet6(r2, &(0x7f0000847fff)='X', 0x34000, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) 18:02:05 executing program 0: r0 = dup(0xffffffffffffffff) write$6lowpan_enable(r0, &(0x7f0000000000)='0', 0xfffffd2c) r1 = socket$inet6_sctp(0xa, 0x5, 0x84) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r1, 0x84, 0x9, 0x0, 0x0) bind$packet(0xffffffffffffffff, &(0x7f0000000140)={0x11, 0xf0, 0x0, 0x1, 0x0, 0x6, @multicast}, 0x14) sendto$inet6(r1, &(0x7f0000847fff)='X', 0x34000, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) 18:02:05 executing program 3: prctl$PR_SCHED_CORE(0x3e, 0x1, 0x0, 0x2, 0x0) r0 = syz_open_dev$sndmidi(&(0x7f0000000040), 0x2, 0x141101) r1 = dup(r0) write$6lowpan_enable(r1, 0x0, 0x0) syz_open_procfs(0x0, &(0x7f0000000080)='net/dev\x00') r2 = socket$inet6_sctp(0xa, 0x5, 0x84) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r2, 0x84, 0x9, &(0x7f0000000580)={0x0, @in={{0x2, 0x0, @empty}}, 0x0, 0x0, 0x3fc}, 0x9c) bind$packet(0xffffffffffffffff, &(0x7f0000000140)={0x11, 0xf0, 0x0, 0x1, 0x0, 0x6, @multicast}, 0x14) sendto$inet6(r2, &(0x7f0000847fff)='X', 0x34000, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) [ 775.298469][T11739] loop5: detected capacity change from 0 to 4096 18:02:05 executing program 4: prctl$PR_SCHED_CORE(0x3e, 0x1, 0x0, 0x2, 0x0) r0 = syz_open_dev$sndmidi(&(0x7f0000000040), 0x2, 0x141101) r1 = dup(r0) write$6lowpan_enable(r1, &(0x7f0000000000)='0', 0xfffffd2c) syz_open_procfs(0x0, &(0x7f0000000080)='net/dev\x00') r2 = socket$inet6_sctp(0xa, 0x5, 0x84) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r2, 0x84, 0x9, &(0x7f0000000580)={0x0, @in={{0x2, 0x0, @empty}}, 0x0, 0x0, 0x3fc, 0x0, 0x32}, 0x9c) bind$packet(0xffffffffffffffff, 0x0, 0x0) sendto$inet6(r2, &(0x7f0000847fff)='X', 0x34000, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) 18:02:05 executing program 0: r0 = dup(0xffffffffffffffff) write$6lowpan_enable(r0, &(0x7f0000000000)='0', 0xfffffd2c) r1 = socket$inet6_sctp(0xa, 0x5, 0x84) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r1, 0x84, 0x9, 0x0, 0x0) bind$packet(0xffffffffffffffff, &(0x7f0000000140)={0x11, 0xf0, 0x0, 0x1, 0x0, 0x6, @multicast}, 0x14) sendto$inet6(r1, &(0x7f0000847fff)='X', 0x34000, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) 18:02:05 executing program 2: prctl$PR_SCHED_CORE(0x3e, 0x1, 0x0, 0x2, 0x0) r0 = syz_open_dev$sndmidi(&(0x7f0000000040), 0x2, 0x141101) r1 = dup(r0) write$6lowpan_enable(r1, 0x0, 0x0) syz_open_procfs(0x0, &(0x7f0000000080)='net/dev\x00') r2 = socket$inet6_sctp(0xa, 0x5, 0x84) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r2, 0x84, 0x9, &(0x7f0000000580)={0x0, @in={{0x2, 0x0, @empty}}, 0x0, 0x0, 0x3fc, 0x0, 0x32}, 0x9c) bind$packet(0xffffffffffffffff, 0x0, 0x0) sendto$inet6(r2, &(0x7f0000847fff)='X', 0x34000, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) 18:02:05 executing program 0: r0 = dup(0xffffffffffffffff) write$6lowpan_enable(r0, &(0x7f0000000000)='0', 0xfffffd2c) r1 = socket$inet6_sctp(0xa, 0x5, 0x84) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r1, 0x84, 0x9, &(0x7f0000000580)={0x0, @in={{0x2, 0x0, @empty}}, 0x0, 0x0, 0x0, 0x0, 0x32}, 0x9c) bind$packet(0xffffffffffffffff, &(0x7f0000000140)={0x11, 0xf0, 0x0, 0x1, 0x0, 0x6, @multicast}, 0x14) sendto$inet6(r1, &(0x7f0000847fff)='X', 0x34000, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) 18:02:05 executing program 0: r0 = dup(0xffffffffffffffff) write$6lowpan_enable(r0, &(0x7f0000000000)='0', 0xfffffd2c) r1 = socket$inet6_sctp(0xa, 0x5, 0x84) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r1, 0x84, 0x9, &(0x7f0000000580)={0x0, @in={{0x2, 0x0, @empty}}, 0x0, 0x0, 0x0, 0x0, 0x32}, 0x9c) bind$packet(0xffffffffffffffff, &(0x7f0000000140)={0x11, 0xf0, 0x0, 0x1, 0x0, 0x6, @multicast}, 0x14) sendto$inet6(r1, &(0x7f0000847fff)='X', 0x34000, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) 18:02:05 executing program 2: prctl$PR_SCHED_CORE(0x3e, 0x1, 0x0, 0x2, 0x0) r0 = syz_open_dev$sndmidi(&(0x7f0000000040), 0x2, 0x141101) r1 = dup(r0) write$6lowpan_enable(r1, 0x0, 0x0) syz_open_procfs(0x0, &(0x7f0000000080)='net/dev\x00') r2 = socket$inet6_sctp(0xa, 0x5, 0x84) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r2, 0x84, 0x9, &(0x7f0000000580)={0x0, @in={{0x2, 0x0, @empty}}, 0x0, 0x0, 0x3fc, 0x0, 0x32}, 0x9c) bind$packet(0xffffffffffffffff, 0x0, 0x0) sendto$inet6(r2, &(0x7f0000847fff)='X', 0x34000, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) 18:02:06 executing program 0: r0 = dup(0xffffffffffffffff) write$6lowpan_enable(r0, &(0x7f0000000000)='0', 0xfffffd2c) r1 = socket$inet6_sctp(0xa, 0x5, 0x84) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r1, 0x84, 0x9, &(0x7f0000000580)={0x0, @in={{0x2, 0x0, @empty}}, 0x0, 0x0, 0x0, 0x0, 0x32}, 0x9c) bind$packet(0xffffffffffffffff, &(0x7f0000000140)={0x11, 0xf0, 0x0, 0x1, 0x0, 0x6, @multicast}, 0x14) sendto$inet6(r1, &(0x7f0000847fff)='X', 0x34000, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) 18:02:06 executing program 2: prctl$PR_SCHED_CORE(0x3e, 0x1, 0x0, 0x2, 0x0) r0 = syz_open_dev$sndmidi(&(0x7f0000000040), 0x2, 0x141101) r1 = dup(r0) write$6lowpan_enable(r1, 0x0, 0x0) syz_open_procfs(0x0, &(0x7f0000000080)='net/dev\x00') r2 = socket$inet6_sctp(0xa, 0x5, 0x84) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r2, 0x84, 0x9, &(0x7f0000000580)={0x0, @in={{0x2, 0x0, @empty}}, 0x0, 0x0, 0x3fc, 0x0, 0x32}, 0x9c) bind$packet(0xffffffffffffffff, &(0x7f0000000140)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @multicast}, 0x14) sendto$inet6(r2, &(0x7f0000847fff)='X', 0x34000, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) 18:02:06 executing program 5: prctl$PR_SCHED_CORE(0x3e, 0x1, 0x0, 0x2, 0x0) r0 = syz_open_dev$sndmidi(&(0x7f0000000040), 0x2, 0x141101) r1 = dup(r0) write$6lowpan_enable(r1, &(0x7f0000000000)='0', 0xfffffd2c) r2 = getpid() tkill(r2, 0x0) syz_open_procfs(r2, &(0x7f0000000080)='net/dev\x00') r3 = socket$inet6_sctp(0xa, 0x5, 0x84) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r3, 0x84, 0x9, &(0x7f0000000580)={0x0, @in={{0x2, 0x0, @empty}}, 0x0, 0x0, 0x3fc, 0x0, 0x32}, 0x9c) bind$inet6(r3, &(0x7f00004b8fe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) sendmsg$BATADV_CMD_GET_BLA_BACKBONE(0xffffffffffffffff, &(0x7f0000000240)={&(0x7f00000003c0)={0x10, 0x0, 0x0, 0x40000000}, 0xc, &(0x7f0000000580)={&(0x7f0000000ac0)=ANY=[@ANYBLOB="75b9609d35b13765f535640b1647adc8d4528d7dcb5ecd49ae55d43d3b97ecb1655aa6d8fee6b424e0505947a242cbd17bb07e95b202fc3c205cdbe6a8f96871306ae8b68ac958053ac4db38ca0dc66bbffd0930941f68eeb164059f458da7acaa5be83249f1180500a3884f69053123e3ce572b9b117c90fe0a17097d317242", @ANYRES32, @ANYRES64, @ANYRESOCT, @ANYBLOB="08003c0000080000ffa459f4d55ea7e660d27ca685e5ff2d0008000000080006003a47559364f7aad7844855eeb6e6d7b1e57d788f8dbacc87d90731e061160ba4f8e213ac52941d846cf53ab15299b9743f8bb0e6ea7725942d910a", @ANYRES16, @ANYRESOCT], 0x54}, 0x1, 0x0, 0x0, 0x4041}, 0x0) r4 = syz_mount_image$vfat(&(0x7f0000000900), &(0x7f0000000940)='./file0\x00', 0x200007, 0x3, &(0x7f0000000700)=[{&(0x7f0000000000)="eb3c906d8d6673fdd2617400028001000240000004f801", 0x17}, {&(0x7f0000001440)="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", 0x144, 0x601}, {0x0, 0x0, 0x5}], 0x800440, &(0x7f00000004c0)={[{@shortname_winnt}, {@fat=@gid}, {@iocharset={'iocharset', 0x3d, 'cp866'}}, {@fat=@fmask={'fmask', 0x3d, 0x1ff}}, {@rodir}, {@fat=@errors_remount}, {@shortname_win95}, {@uni_xlate}, {@uni_xlateno}, {@utf8}, {@uni_xlate}, {@utf8no}]}) sendmsg$IPSET_CMD_DEL(0xffffffffffffffff, &(0x7f0000000a80)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x200}, 0xc, &(0x7f0000000400)={&(0x7f00000008c0)=ANY=[@ANYRES64], 0x60}, 0x1, 0x0, 0x0, 0x8840}, 0x4040050) sendmsg$nl_route(0xffffffffffffffff, &(0x7f0000000980)={&(0x7f0000000440)={0x10, 0x0, 0x0, 0x10000000}, 0xc, &(0x7f0000000740)={&(0x7f0000000d00)=ANY=[@ANYBLOB="86f2407d8a204caf80b640e69a13fefeff6f0000042ba98cfcfccd470037369314427ebd70000000000000000000000000000000cdfb0fa21b95f8072c528f2858315775d7552e", @ANYRES32=0x0, @ANYBLOB="0c943d0559ff0600ff0000000c00018005000600c0000000100001800c00a03a03462081c7fc75d9ffffbf", @ANYRESDEC=r4, @ANYRES64], 0x40}, 0x1, 0x0, 0x0, 0x4008000}, 0x44040) sendmsg$DEVLINK_CMD_TRAP_POLICER_GET(0xffffffffffffffff, &(0x7f0000000780)={&(0x7f0000000480)={0x10, 0x0, 0x0, 0x1000}, 0xc, &(0x7f0000000680)={&(0x7f0000000f40)=ANY=[@ANYBLOB="dd82fa64e3415dc226d3ac622a8239db19850e5d1f97ad157d6e4d3b4b1eb09bbca07c99827fb7c132f6ded2b0753747f344067fa51608045c50c82cae8b9d8c5f9f", @ANYRESHEX, @ANYBLOB="000129bd7000fcdbdf35450900000001006e657464657673696d0000000f0002006e65746465ffffffffffffffff008e0001000000080029210ffe70f74135c6c84e95f601007063690011000200303030303a300008008e0000000000080001007063690011000200303030303a30303a31302e300000000408001700a1a628523064156e9f9c48c438c3489ada27a5332186e0618640bae922d4a91285d89e0cf8a2ec5e1bd9978ab6f6864f227aefb818605bb5faa903f2e69df3d3f06c95224bfd42e23b13a9b0ecf7e26eec4ccacef0f496c155b78af42fc33ec2a7e500"/233, @ANYRES16=r4, @ANYRESDEC, @ANYRESOCT, @ANYRES8], 0x84}, 0x1, 0x0, 0x0, 0x85}, 0x40000) sendmsg$nl_route(0xffffffffffffffff, &(0x7f0000000a00)={&(0x7f00000007c0)={0x10, 0x0, 0x0, 0x200000}, 0xc, &(0x7f0000000880)={&(0x7f0000000c00)=ANY=[@ANYBLOB="240000499a000400d7cfb9710f73c673000700ac1e0011000000000000000000000000005a381ff052b251", @ANYRES16, @ANYRESDEC, @ANYRES16, @ANYRES16, @ANYRESOCT], 0x24}, 0x1, 0x0, 0x0, 0x4044080}, 0x8080) bind$packet(0xffffffffffffffff, &(0x7f0000000140)={0x11, 0xf0, 0x0, 0x1, 0x0, 0x6, @multicast}, 0x14) close_range(0xffffffffffffffff, 0xffffffffffffffff, 0x2) sendto$inet6(r3, &(0x7f0000847fff)='X', 0x34000, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) 18:02:06 executing program 1: prctl$PR_SCHED_CORE(0x3e, 0x1, 0x0, 0x2, 0x0) r0 = syz_open_dev$sndmidi(&(0x7f0000000040), 0x2, 0x141101) r1 = dup(r0) write$6lowpan_enable(r1, &(0x7f0000000000)='0', 0xfffffd2c) syz_open_procfs(0x0, &(0x7f0000000080)='net/dev\x00') r2 = socket$inet6_sctp(0xa, 0x5, 0x84) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r2, 0x84, 0x9, &(0x7f0000000580)={0x0, @in={{0x2, 0x0, @empty}}, 0x0, 0x0, 0x3fc, 0x0, 0x32}, 0x9c) bind$packet(0xffffffffffffffff, &(0x7f0000000140)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @multicast}, 0x14) sendto$inet6(0xffffffffffffffff, &(0x7f0000847fff)='X', 0x34000, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) 18:02:06 executing program 0: r0 = dup(0xffffffffffffffff) write$6lowpan_enable(r0, &(0x7f0000000000)='0', 0xfffffd2c) r1 = socket$inet6_sctp(0xa, 0x5, 0x84) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r1, 0x84, 0x9, &(0x7f0000000580)={0x0, @in={{0x2, 0x0, @empty}}, 0x0, 0x0, 0x3fc}, 0x9c) bind$packet(0xffffffffffffffff, &(0x7f0000000140)={0x11, 0xf0, 0x0, 0x1, 0x0, 0x6, @multicast}, 0x14) sendto$inet6(r1, &(0x7f0000847fff)='X', 0x34000, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) 18:02:06 executing program 3: prctl$PR_SCHED_CORE(0x3e, 0x1, 0x0, 0x2, 0x0) r0 = syz_open_dev$sndmidi(&(0x7f0000000040), 0x2, 0x141101) r1 = dup(r0) write$6lowpan_enable(r1, 0x0, 0x0) syz_open_procfs(0x0, &(0x7f0000000080)='net/dev\x00') r2 = socket$inet6_sctp(0xa, 0x5, 0x84) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r2, 0x84, 0x9, &(0x7f0000000580)={0x0, @in={{0x2, 0x0, @empty}}, 0x0, 0x0, 0x3fc, 0x0, 0x32}, 0x9c) bind$packet(0xffffffffffffffff, 0x0, 0x0) sendto$inet6(r2, &(0x7f0000847fff)='X', 0x34000, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) 18:02:06 executing program 4: prctl$PR_SCHED_CORE(0x3e, 0x1, 0x0, 0x2, 0x0) r0 = syz_open_dev$sndmidi(&(0x7f0000000040), 0x2, 0x141101) r1 = dup(r0) write$6lowpan_enable(r1, &(0x7f0000000000)='0', 0xfffffd2c) syz_open_procfs(0x0, &(0x7f0000000080)='net/dev\x00') r2 = socket$inet6_sctp(0xa, 0x5, 0x84) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r2, 0x84, 0x9, &(0x7f0000000580)={0x0, @in={{0x2, 0x0, @empty}}, 0x0, 0x0, 0x3fc, 0x0, 0x32}, 0x9c) bind$packet(0xffffffffffffffff, 0x0, 0x0) sendto$inet6(r2, &(0x7f0000847fff)='X', 0x34000, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) 18:02:06 executing program 2: prctl$PR_SCHED_CORE(0x3e, 0x1, 0x0, 0x2, 0x0) r0 = syz_open_dev$sndmidi(&(0x7f0000000040), 0x2, 0x141101) r1 = dup(r0) write$6lowpan_enable(r1, 0x0, 0x0) syz_open_procfs(0x0, &(0x7f0000000080)='net/dev\x00') r2 = socket$inet6_sctp(0xa, 0x5, 0x84) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r2, 0x84, 0x9, &(0x7f0000000580)={0x0, @in={{0x2, 0x0, @empty}}, 0x0, 0x0, 0x3fc, 0x0, 0x32}, 0x9c) bind$packet(0xffffffffffffffff, &(0x7f0000000140)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @multicast}, 0x14) sendto$inet6(r2, &(0x7f0000847fff)='X', 0x34000, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) 18:02:06 executing program 0: r0 = dup(0xffffffffffffffff) write$6lowpan_enable(r0, &(0x7f0000000000)='0', 0xfffffd2c) r1 = socket$inet6_sctp(0xa, 0x5, 0x84) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r1, 0x84, 0x9, &(0x7f0000000580)={0x0, @in={{0x2, 0x0, @empty}}, 0x0, 0x0, 0x3fc}, 0x9c) bind$packet(0xffffffffffffffff, &(0x7f0000000140)={0x11, 0xf0, 0x0, 0x1, 0x0, 0x6, @multicast}, 0x14) sendto$inet6(r1, &(0x7f0000847fff)='X', 0x34000, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) [ 776.406612][T11768] loop5: detected capacity change from 0 to 4096 18:02:06 executing program 0: r0 = dup(0xffffffffffffffff) write$6lowpan_enable(r0, &(0x7f0000000000)='0', 0xfffffd2c) r1 = socket$inet6_sctp(0xa, 0x5, 0x84) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r1, 0x84, 0x9, &(0x7f0000000580)={0x0, @in={{0x2, 0x0, @empty}}, 0x0, 0x0, 0x3fc}, 0x9c) bind$packet(0xffffffffffffffff, &(0x7f0000000140)={0x11, 0xf0, 0x0, 0x1, 0x0, 0x6, @multicast}, 0x14) sendto$inet6(r1, &(0x7f0000847fff)='X', 0x34000, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) 18:02:06 executing program 2: prctl$PR_SCHED_CORE(0x3e, 0x1, 0x0, 0x2, 0x0) r0 = syz_open_dev$sndmidi(&(0x7f0000000040), 0x2, 0x141101) r1 = dup(r0) write$6lowpan_enable(r1, 0x0, 0x0) syz_open_procfs(0x0, &(0x7f0000000080)='net/dev\x00') r2 = socket$inet6_sctp(0xa, 0x5, 0x84) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r2, 0x84, 0x9, &(0x7f0000000580)={0x0, @in={{0x2, 0x0, @empty}}, 0x0, 0x0, 0x3fc, 0x0, 0x32}, 0x9c) bind$packet(0xffffffffffffffff, &(0x7f0000000140)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @multicast}, 0x14) sendto$inet6(r2, &(0x7f0000847fff)='X', 0x34000, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) 18:02:06 executing program 0: r0 = dup(0xffffffffffffffff) write$6lowpan_enable(r0, &(0x7f0000000000)='0', 0xfffffd2c) r1 = socket$inet6_sctp(0xa, 0x5, 0x84) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r1, 0x84, 0x9, &(0x7f0000000580)={0x0, @in={{0x2, 0x0, @empty}}, 0x0, 0x0, 0x3fc, 0x0, 0x32}, 0x9c) bind$packet(0xffffffffffffffff, 0x0, 0x0) sendto$inet6(r1, &(0x7f0000847fff)='X', 0x34000, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) 18:02:06 executing program 2: prctl$PR_SCHED_CORE(0x3e, 0x1, 0x0, 0x2, 0x0) r0 = syz_open_dev$sndmidi(&(0x7f0000000040), 0x2, 0x141101) r1 = dup(r0) write$6lowpan_enable(r1, 0x0, 0x0) syz_open_procfs(0x0, &(0x7f0000000080)='net/dev\x00') r2 = socket$inet6_sctp(0xa, 0x5, 0x84) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r2, 0x84, 0x9, &(0x7f0000000580)={0x0, @in={{0x2, 0x0, @empty}}, 0x0, 0x0, 0x3fc, 0x0, 0x32}, 0x9c) bind$packet(0xffffffffffffffff, &(0x7f0000000140)={0x11, 0xf0, 0x0, 0x1, 0x0, 0x6, @multicast}, 0x14) sendto$inet6(0xffffffffffffffff, &(0x7f0000847fff)='X', 0x34000, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) 18:02:06 executing program 0: r0 = dup(0xffffffffffffffff) write$6lowpan_enable(r0, &(0x7f0000000000)='0', 0xfffffd2c) r1 = socket$inet6_sctp(0xa, 0x5, 0x84) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r1, 0x84, 0x9, &(0x7f0000000580)={0x0, @in={{0x2, 0x0, @empty}}, 0x0, 0x0, 0x3fc, 0x0, 0x32}, 0x9c) bind$packet(0xffffffffffffffff, 0x0, 0x0) sendto$inet6(r1, &(0x7f0000847fff)='X', 0x34000, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) 18:02:07 executing program 5: r0 = dup(0xffffffffffffffff) write$6lowpan_enable(r0, &(0x7f0000000000)='0', 0xfffffd2c) r1 = socket$inet6_sctp(0xa, 0x5, 0x84) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r1, 0x84, 0x9, &(0x7f0000000580)={0x0, @in={{0x2, 0x0, @empty}}, 0x0, 0x0, 0x3fc}, 0x9c) bind$packet(0xffffffffffffffff, &(0x7f0000000140)={0x11, 0xf0, 0x0, 0x1, 0x0, 0x6, @multicast}, 0x14) sendto$inet6(r1, &(0x7f0000847fff)='X', 0x34000, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) 18:02:07 executing program 2: prctl$PR_SCHED_CORE(0x3e, 0x1, 0x0, 0x2, 0x0) r0 = syz_open_dev$sndmidi(&(0x7f0000000040), 0x2, 0x141101) r1 = dup(r0) write$6lowpan_enable(r1, 0x0, 0x0) syz_open_procfs(0x0, &(0x7f0000000080)='net/dev\x00') r2 = socket$inet6_sctp(0xa, 0x5, 0x84) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r2, 0x84, 0x9, &(0x7f0000000580)={0x0, @in={{0x2, 0x0, @empty}}, 0x0, 0x0, 0x3fc, 0x0, 0x32}, 0x9c) bind$packet(0xffffffffffffffff, &(0x7f0000000140)={0x11, 0xf0, 0x0, 0x1, 0x0, 0x6, @multicast}, 0x14) sendto$inet6(0xffffffffffffffff, &(0x7f0000847fff)='X', 0x34000, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) 18:02:07 executing program 1: prctl$PR_SCHED_CORE(0x3e, 0x1, 0x0, 0x2, 0x0) r0 = syz_open_dev$sndmidi(&(0x7f0000000040), 0x2, 0x141101) r1 = dup(r0) write$6lowpan_enable(r1, &(0x7f0000000000)='0', 0xfffffd2c) syz_open_procfs(0x0, &(0x7f0000000080)='net/dev\x00') r2 = socket$inet6_sctp(0xa, 0x5, 0x84) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r2, 0x84, 0x9, &(0x7f0000000580)={0x0, @in={{0x2, 0x0, @empty}}, 0x0, 0x0, 0x3fc, 0x0, 0x32}, 0x9c) bind$packet(0xffffffffffffffff, &(0x7f0000000140)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @multicast}, 0x14) sendto$inet6(0xffffffffffffffff, &(0x7f0000847fff)='X', 0x34000, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) 18:02:07 executing program 0: r0 = dup(0xffffffffffffffff) write$6lowpan_enable(r0, &(0x7f0000000000)='0', 0xfffffd2c) r1 = socket$inet6_sctp(0xa, 0x5, 0x84) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r1, 0x84, 0x9, &(0x7f0000000580)={0x0, @in={{0x2, 0x0, @empty}}, 0x0, 0x0, 0x3fc, 0x0, 0x32}, 0x9c) bind$packet(0xffffffffffffffff, 0x0, 0x0) sendto$inet6(r1, &(0x7f0000847fff)='X', 0x34000, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) 18:02:07 executing program 4: prctl$PR_SCHED_CORE(0x3e, 0x1, 0x0, 0x2, 0x0) r0 = syz_open_dev$sndmidi(&(0x7f0000000040), 0x2, 0x141101) r1 = dup(r0) write$6lowpan_enable(r1, 0x0, 0x0) syz_open_procfs(0x0, &(0x7f0000000080)='net/dev\x00') r2 = socket$inet6_sctp(0xa, 0x5, 0x84) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r2, 0x84, 0x9, &(0x7f0000000580)={0x0, @in={{0x2, 0x0, @empty}}, 0x0, 0x0, 0x3fc, 0x0, 0x32}, 0x9c) bind$packet(0xffffffffffffffff, &(0x7f0000000140)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @multicast}, 0x14) sendto$inet6(r2, &(0x7f0000847fff)='X', 0x34000, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) 18:02:07 executing program 2: prctl$PR_SCHED_CORE(0x3e, 0x1, 0x0, 0x2, 0x0) r0 = syz_open_dev$sndmidi(&(0x7f0000000040), 0x2, 0x141101) r1 = dup(r0) write$6lowpan_enable(r1, 0x0, 0x0) syz_open_procfs(0x0, &(0x7f0000000080)='net/dev\x00') r2 = socket$inet6_sctp(0xa, 0x5, 0x84) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r2, 0x84, 0x9, &(0x7f0000000580)={0x0, @in={{0x2, 0x0, @empty}}, 0x0, 0x0, 0x3fc, 0x0, 0x32}, 0x9c) bind$packet(0xffffffffffffffff, &(0x7f0000000140)={0x11, 0xf0, 0x0, 0x1, 0x0, 0x6, @multicast}, 0x14) sendto$inet6(0xffffffffffffffff, &(0x7f0000847fff)='X', 0x34000, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) 18:02:07 executing program 3: prctl$PR_SCHED_CORE(0x3e, 0x1, 0x0, 0x2, 0x0) r0 = syz_open_dev$sndmidi(&(0x7f0000000040), 0x2, 0x141101) r1 = dup(r0) write$6lowpan_enable(r1, 0x0, 0x0) syz_open_procfs(0x0, &(0x7f0000000080)='net/dev\x00') r2 = socket$inet6_sctp(0xa, 0x5, 0x84) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r2, 0x84, 0x9, &(0x7f0000000580)={0x0, @in={{0x2, 0x0, @empty}}, 0x0, 0x0, 0x3fc, 0x0, 0x32}, 0x9c) bind$packet(0xffffffffffffffff, 0x0, 0x0) sendto$inet6(r2, &(0x7f0000847fff)='X', 0x34000, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) 18:02:07 executing program 2: prctl$PR_SCHED_CORE(0x3e, 0x1, 0x0, 0x2, 0x0) r0 = syz_open_dev$sndmidi(&(0x7f0000000040), 0x2, 0x141101) r1 = dup(r0) write$6lowpan_enable(r1, 0x0, 0x0) syz_open_procfs(0x0, &(0x7f0000000080)='net/dev\x00') r2 = socket$inet6_sctp(0xa, 0x5, 0x84) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r2, 0x84, 0x9, &(0x7f0000000580)={0x0, @in={{0x2, 0x0, @empty}}, 0x0, 0x0, 0x3fc, 0x0, 0x32}, 0x9c) bind$packet(0xffffffffffffffff, &(0x7f0000000140)={0x11, 0xf0, 0x0, 0x1, 0x0, 0x6, @multicast}, 0x14) sendto$inet6(r2, 0x0, 0x0, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) 18:02:07 executing program 0: r0 = dup(0xffffffffffffffff) write$6lowpan_enable(r0, &(0x7f0000000000)='0', 0xfffffd2c) r1 = socket$inet6_sctp(0xa, 0x5, 0x84) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r1, 0x84, 0x9, &(0x7f0000000580)={0x0, @in={{0x2, 0x0, @empty}}, 0x0, 0x0, 0x3fc, 0x0, 0x32}, 0x9c) bind$packet(0xffffffffffffffff, &(0x7f0000000140)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @multicast}, 0x14) sendto$inet6(r1, &(0x7f0000847fff)='X', 0x34000, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) 18:02:07 executing program 5: prctl$PR_SCHED_CORE(0x3e, 0x1, 0x0, 0x2, 0x0) r0 = syz_open_dev$sndmidi(&(0x7f0000000040), 0x2, 0x141101) r1 = dup(r0) write$6lowpan_enable(r1, 0x0, 0x0) syz_open_procfs(0x0, &(0x7f0000000080)='net/dev\x00') r2 = socket$inet6_sctp(0xa, 0x5, 0x84) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r2, 0x84, 0x9, &(0x7f0000000580)={0x0, @in={{0x2, 0x0, @empty}}, 0x0, 0x0, 0x3fc, 0x0, 0x32}, 0x9c) bind$packet(0xffffffffffffffff, &(0x7f0000000140)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @multicast}, 0x14) sendto$inet6(r2, &(0x7f0000847fff)='X', 0x34000, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) 18:02:07 executing program 2: prctl$PR_SCHED_CORE(0x3e, 0x1, 0x0, 0x2, 0x0) r0 = syz_open_dev$sndmidi(&(0x7f0000000040), 0x2, 0x141101) r1 = dup(r0) write$6lowpan_enable(r1, 0x0, 0x0) syz_open_procfs(0x0, &(0x7f0000000080)='net/dev\x00') r2 = socket$inet6_sctp(0xa, 0x5, 0x84) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r2, 0x84, 0x9, &(0x7f0000000580)={0x0, @in={{0x2, 0x0, @empty}}, 0x0, 0x0, 0x3fc, 0x0, 0x32}, 0x9c) bind$packet(0xffffffffffffffff, &(0x7f0000000140)={0x11, 0xf0, 0x0, 0x1, 0x0, 0x6, @multicast}, 0x14) sendto$inet6(r2, 0x0, 0x0, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) 18:02:07 executing program 0: r0 = dup(0xffffffffffffffff) write$6lowpan_enable(r0, &(0x7f0000000000)='0', 0xfffffd2c) r1 = socket$inet6_sctp(0xa, 0x5, 0x84) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r1, 0x84, 0x9, &(0x7f0000000580)={0x0, @in={{0x2, 0x0, @empty}}, 0x0, 0x0, 0x3fc, 0x0, 0x32}, 0x9c) bind$packet(0xffffffffffffffff, &(0x7f0000000140)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @multicast}, 0x14) sendto$inet6(r1, &(0x7f0000847fff)='X', 0x34000, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) 18:02:07 executing program 2: prctl$PR_SCHED_CORE(0x3e, 0x1, 0x0, 0x2, 0x0) r0 = syz_open_dev$sndmidi(&(0x7f0000000040), 0x2, 0x141101) r1 = dup(r0) write$6lowpan_enable(r1, 0x0, 0x0) syz_open_procfs(0x0, &(0x7f0000000080)='net/dev\x00') r2 = socket$inet6_sctp(0xa, 0x5, 0x84) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r2, 0x84, 0x9, &(0x7f0000000580)={0x0, @in={{0x2, 0x0, @empty}}, 0x0, 0x0, 0x3fc, 0x0, 0x32}, 0x9c) bind$packet(0xffffffffffffffff, &(0x7f0000000140)={0x11, 0xf0, 0x0, 0x1, 0x0, 0x6, @multicast}, 0x14) sendto$inet6(r2, 0x0, 0x0, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) 18:02:07 executing program 4: r0 = dup(0xffffffffffffffff) write$6lowpan_enable(r0, &(0x7f0000000000)='0', 0xfffffd2c) r1 = socket$inet6_sctp(0xa, 0x5, 0x84) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(0xffffffffffffffff, 0x84, 0x9, &(0x7f0000000580)={0x0, @in={{0x2, 0x0, @empty}}, 0x0, 0x0, 0x3fc, 0x0, 0x32}, 0x9c) bind$packet(0xffffffffffffffff, &(0x7f0000000140)={0x11, 0xf0, 0x0, 0x1, 0x0, 0x6, @multicast}, 0x14) sendto$inet6(r1, &(0x7f0000847fff)='X', 0x34000, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) 18:02:08 executing program 2: prctl$PR_SCHED_CORE(0x3e, 0x1, 0x0, 0x2, 0x0) r0 = syz_open_dev$sndmidi(&(0x7f0000000040), 0x2, 0x141101) r1 = dup(r0) write$6lowpan_enable(r1, 0x0, 0x0) syz_open_procfs(0x0, &(0x7f0000000080)='net/dev\x00') r2 = socket$inet6_sctp(0xa, 0x5, 0x84) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r2, 0x84, 0x9, &(0x7f0000000580)={0x0, @in={{0x2, 0x0, @empty}}, 0x0, 0x0, 0x3fc, 0x0, 0x32}, 0x9c) bind$packet(0xffffffffffffffff, &(0x7f0000000140)={0x11, 0xf0, 0x0, 0x1, 0x0, 0x6, @multicast}, 0x14) sendto$inet6(r2, &(0x7f0000847fff), 0x0, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) 18:02:08 executing program 1: prctl$PR_SCHED_CORE(0x3e, 0x1, 0x0, 0x2, 0x0) r0 = syz_open_dev$sndmidi(&(0x7f0000000040), 0x2, 0x141101) r1 = dup(r0) write$6lowpan_enable(r1, &(0x7f0000000000)='0', 0xfffffd2c) syz_open_procfs(0x0, &(0x7f0000000080)='net/dev\x00') r2 = socket$inet6_sctp(0xa, 0x5, 0x84) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r2, 0x84, 0x9, &(0x7f0000000580)={0x0, @in={{0x2, 0x0, @empty}}, 0x0, 0x0, 0x3fc, 0x0, 0x32}, 0x9c) bind$packet(0xffffffffffffffff, &(0x7f0000000140)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @multicast}, 0x14) sendto$inet6(0xffffffffffffffff, &(0x7f0000847fff)='X', 0x34000, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) 18:02:08 executing program 5: prctl$PR_SCHED_CORE(0x3e, 0x1, 0x0, 0x2, 0x0) r0 = syz_open_dev$sndmidi(&(0x7f0000000040), 0x2, 0x141101) r1 = dup(r0) write$6lowpan_enable(r1, &(0x7f0000000000)='0', 0xfffffd2c) r2 = getpid() tkill(r2, 0x0) syz_open_procfs(r2, &(0x7f0000000080)='net/dev\x00') r3 = socket$inet6_sctp(0xa, 0x5, 0x84) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r3, 0x84, 0x9, &(0x7f0000000580)={0x0, @in={{0x2, 0x0, @empty}}, 0x0, 0x0, 0x3fc, 0x0, 0x32}, 0x9c) bind$inet6(r3, &(0x7f00004b8fe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) sendmsg$BATADV_CMD_GET_BLA_BACKBONE(0xffffffffffffffff, &(0x7f0000000240)={&(0x7f00000003c0)={0x10, 0x0, 0x0, 0x40000000}, 0xc, &(0x7f0000000580)={&(0x7f0000000ac0)=ANY=[@ANYBLOB="75b9609d35b13765f535640b1647adc8d4528d7dcb5ecd49ae55d43d3b97ecb1655aa6d8fee6b424e0505947a242cbd17bb07e95b202fc3c205cdbe6a8f96871306ae8b68ac958053ac4db38ca0dc66bbffd0930941f68eeb164059f458da7acaa5be83249f1180500a3884f69053123e3ce572b9b117c90fe0a17097d317242", @ANYRES32, @ANYRES64, @ANYRESOCT, @ANYBLOB="08003c0000080000ffa459f4d55ea7e660d27ca685e5ff2d0008000000080006003a47559364f7aad7844855eeb6e6d7b1e57d788f8dbacc87d90731e061160ba4f8e213ac52941d846cf53ab15299b9743f8bb0e6ea7725942d910a", @ANYRES16, @ANYRESOCT], 0x54}, 0x1, 0x0, 0x0, 0x4041}, 0x0) r4 = syz_mount_image$vfat(&(0x7f0000000900), &(0x7f0000000940)='./file0\x00', 0x200007, 0x3, &(0x7f0000000700)=[{&(0x7f0000000000)="eb3c906d8d6673fdd2617400028001000240000004f801", 0x17}, {&(0x7f0000001440)="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", 0x144, 0x601}, {0x0, 0x0, 0x5}], 0x800440, &(0x7f00000004c0)={[{@shortname_winnt}, {@fat=@gid}, {@iocharset={'iocharset', 0x3d, 'cp866'}}, {@fat=@fmask={'fmask', 0x3d, 0x1ff}}, {@rodir}, {@fat=@errors_remount}, {@shortname_win95}, {@uni_xlate}, {@uni_xlateno}, {@utf8}, {@uni_xlate}, {@utf8no}]}) sendmsg$IPSET_CMD_DEL(0xffffffffffffffff, &(0x7f0000000a80)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x200}, 0xc, &(0x7f0000000400)={&(0x7f00000008c0)=ANY=[@ANYRES64], 0x60}, 0x1, 0x0, 0x0, 0x8840}, 0x4040050) sendmsg$nl_route(0xffffffffffffffff, &(0x7f0000000980)={&(0x7f0000000440)={0x10, 0x0, 0x0, 0x10000000}, 0xc, &(0x7f0000000740)={&(0x7f0000000d00)=ANY=[@ANYBLOB="86f2407d8a204caf80b640e69a13fefeff6f0000042ba98cfcfccd470037369314427ebd70000000000000000000000000000000cdfb0fa21b95f8072c528f2858315775d7552e", @ANYRES32=0x0, @ANYBLOB="0c943d0559ff0600ff0000000c00018005000600c0000000100001800c00a03a03462081c7fc75d9ffffbf", @ANYRESDEC=r4, @ANYRES64], 0x40}, 0x1, 0x0, 0x0, 0x4008000}, 0x44040) sendmsg$DEVLINK_CMD_TRAP_POLICER_GET(0xffffffffffffffff, &(0x7f0000000780)={&(0x7f0000000480)={0x10, 0x0, 0x0, 0x1000}, 0xc, &(0x7f0000000680)={&(0x7f0000000f40)=ANY=[@ANYBLOB="dd82fa64e3415dc226d3ac622a8239db19850e5d1f97ad157d6e4d3b4b1eb09bbca07c99827fb7c132f6ded2b0753747f344067fa51608045c50c82cae8b9d8c5f9f", @ANYRESHEX, @ANYBLOB="000129bd7000fcdbdf35450900000001006e657464657673696d0000000f0002006e65746465ffffffffffffffff008e0001000000080029210ffe70f74135c6c84e95f601007063690011000200303030303a300008008e0000000000080001007063690011000200303030303a30303a31302e300000000408001700a1a628523064156e9f9c48c438c3489ada27a5332186e0618640bae922d4a91285d89e0cf8a2ec5e1bd9978ab6f6864f227aefb818605bb5faa903f2e69df3d3f06c95224bfd42e23b13a9b0ecf7e26eec4ccacef0f496c155b78af42fc33ec2a7e500"/233, @ANYRES16=r4, @ANYRESDEC, @ANYRESOCT, @ANYRES8], 0x84}, 0x1, 0x0, 0x0, 0x85}, 0x40000) sendmsg$nl_route(0xffffffffffffffff, &(0x7f0000000a00)={&(0x7f00000007c0)={0x10, 0x0, 0x0, 0x200000}, 0xc, &(0x7f0000000880)={&(0x7f0000000c00)=ANY=[@ANYBLOB="240000499a000400d7cfb9710f73c673000700ac1e0011000000000000000000000000005a381ff052b251", @ANYRES16, @ANYRESDEC, @ANYRES16, @ANYRES16, @ANYRESOCT], 0x24}, 0x1, 0x0, 0x0, 0x4044080}, 0x8080) bind$packet(0xffffffffffffffff, &(0x7f0000000140)={0x11, 0xf0, 0x0, 0x1, 0x0, 0x6, @multicast}, 0x14) close_range(0xffffffffffffffff, 0xffffffffffffffff, 0x2) sendto$inet6(r3, &(0x7f0000847fff)='X', 0x34000, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) 18:02:08 executing program 3: prctl$PR_SCHED_CORE(0x3e, 0x1, 0x0, 0x2, 0x0) r0 = syz_open_dev$sndmidi(&(0x7f0000000040), 0x2, 0x141101) r1 = dup(r0) write$6lowpan_enable(r1, 0x0, 0x0) syz_open_procfs(0x0, &(0x7f0000000080)='net/dev\x00') r2 = socket$inet6_sctp(0xa, 0x5, 0x84) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r2, 0x84, 0x9, &(0x7f0000000580)={0x0, @in={{0x2, 0x0, @empty}}, 0x0, 0x0, 0x3fc, 0x0, 0x32}, 0x9c) bind$packet(0xffffffffffffffff, 0x0, 0x0) sendto$inet6(r2, &(0x7f0000847fff)='X', 0x34000, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) 18:02:08 executing program 0: r0 = dup(0xffffffffffffffff) write$6lowpan_enable(r0, &(0x7f0000000000)='0', 0xfffffd2c) r1 = socket$inet6_sctp(0xa, 0x5, 0x84) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r1, 0x84, 0x9, &(0x7f0000000580)={0x0, @in={{0x2, 0x0, @empty}}, 0x0, 0x0, 0x3fc, 0x0, 0x32}, 0x9c) bind$packet(0xffffffffffffffff, &(0x7f0000000140)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @multicast}, 0x14) sendto$inet6(r1, &(0x7f0000847fff)='X', 0x34000, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) 18:02:08 executing program 4: ioctl$SNDRV_CTL_IOCTL_RAWMIDI_NEXT_DEVICE(0xffffffffffffffff, 0xc1205531, 0xfffffffffffffffc) syz_genetlink_get_family_id$devlink(0x0, 0xffffffffffffffff) r0 = syz_mount_image$vfat(&(0x7f0000000900), &(0x7f0000000940)='./file0\x00', 0x200007, 0x2, &(0x7f0000000700)=[{&(0x7f0000000000)="eb3c906d8d6673fdd2617400028001000240000004f801", 0x17}, {0x0, 0x0, 0x601}], 0x800440, &(0x7f00000004c0)={[{@shortname_winnt}, {@fat=@gid}, {@iocharset={'iocharset', 0x3d, 'cp866'}}, {@fat=@fmask={'fmask', 0x3d, 0x1ff}}, {@rodir}, {@fat=@errors_remount}, {@shortname_win95}, {@uni_xlate}, {@uni_xlateno}, {@utf8}, {@uni_xlate}, {@utf8no}]}) mknodat$loop(r0, &(0x7f0000000000)='./file0\x00', 0x100, 0x0) 18:02:08 executing program 2: prctl$PR_SCHED_CORE(0x3e, 0x1, 0x0, 0x2, 0x0) r0 = syz_open_dev$sndmidi(&(0x7f0000000040), 0x2, 0x141101) r1 = dup(r0) write$6lowpan_enable(r1, 0x0, 0x0) syz_open_procfs(0x0, &(0x7f0000000080)='net/dev\x00') r2 = socket$inet6_sctp(0xa, 0x5, 0x84) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r2, 0x84, 0x9, &(0x7f0000000580)={0x0, @in={{0x2, 0x0, @empty}}, 0x0, 0x0, 0x3fc, 0x0, 0x32}, 0x9c) bind$packet(0xffffffffffffffff, &(0x7f0000000140)={0x11, 0xf0, 0x0, 0x1, 0x0, 0x6, @multicast}, 0x14) sendto$inet6(r2, &(0x7f0000847fff), 0x0, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) [ 778.321798][T11825] loop5: detected capacity change from 0 to 4096 18:02:08 executing program 2: prctl$PR_SCHED_CORE(0x3e, 0x1, 0x0, 0x2, 0x0) r0 = syz_open_dev$sndmidi(&(0x7f0000000040), 0x2, 0x141101) r1 = dup(r0) write$6lowpan_enable(r1, 0x0, 0x0) syz_open_procfs(0x0, &(0x7f0000000080)='net/dev\x00') r2 = socket$inet6_sctp(0xa, 0x5, 0x84) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r2, 0x84, 0x9, &(0x7f0000000580)={0x0, @in={{0x2, 0x0, @empty}}, 0x0, 0x0, 0x3fc, 0x0, 0x32}, 0x9c) bind$packet(0xffffffffffffffff, &(0x7f0000000140)={0x11, 0xf0, 0x0, 0x1, 0x0, 0x6, @multicast}, 0x14) sendto$inet6(r2, &(0x7f0000847fff), 0x0, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) [ 778.398389][T11829] loop4: detected capacity change from 0 to 4096 18:02:08 executing program 2: prctl$PR_SCHED_CORE(0x3e, 0x1, 0x0, 0x2, 0x0) r0 = syz_open_dev$sndmidi(&(0x7f0000000040), 0x2, 0x141101) r1 = dup(r0) write$6lowpan_enable(r1, 0x0, 0x0) syz_open_procfs(0x0, &(0x7f0000000080)='net/dev\x00') r2 = socket$inet6_sctp(0xa, 0x5, 0x84) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r2, 0x84, 0x9, &(0x7f0000000580)={0x0, @in={{0x2, 0x0, @empty}}, 0x0, 0x0, 0x3fc, 0x0, 0x32}, 0x9c) bind$packet(0xffffffffffffffff, &(0x7f0000000140)={0x11, 0xf0, 0x0, 0x1, 0x0, 0x6, @multicast}, 0x14) sendto$inet6(r2, &(0x7f0000847fff)='X', 0x1, 0x0, 0x0, 0x0) 18:02:08 executing program 4: ioctl$SNDRV_CTL_IOCTL_RAWMIDI_NEXT_DEVICE(0xffffffffffffffff, 0xc1205531, 0xfffffffffffffffc) syz_genetlink_get_family_id$devlink(0x0, 0xffffffffffffffff) r0 = syz_mount_image$vfat(&(0x7f0000000900), &(0x7f0000000940)='./file0\x00', 0x200007, 0x2, &(0x7f0000000700)=[{&(0x7f0000000000)="eb3c906d8d6673fdd2617400028001000240000004f801", 0x17}, {0x0, 0x0, 0x601}], 0x800440, &(0x7f00000004c0)={[{@shortname_winnt}, {@fat=@gid}, {@iocharset={'iocharset', 0x3d, 'cp866'}}, {@fat=@fmask={'fmask', 0x3d, 0x1ff}}, {@rodir}, {@fat=@errors_remount}, {@shortname_win95}, {@uni_xlate}, {@uni_xlateno}, {@utf8}, {@uni_xlate}, {@utf8no}]}) mknodat$loop(r0, &(0x7f0000000000)='./file0\x00', 0x100, 0x0) 18:02:08 executing program 0: r0 = dup(0xffffffffffffffff) write$6lowpan_enable(r0, &(0x7f0000000000)='0', 0xfffffd2c) r1 = socket$inet6_sctp(0xa, 0x5, 0x84) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r1, 0x84, 0x9, &(0x7f0000000580)={0x0, @in={{0x2, 0x0, @empty}}, 0x0, 0x0, 0x3fc, 0x0, 0x32}, 0x9c) bind$packet(0xffffffffffffffff, &(0x7f0000000140)={0x11, 0xf0, 0x0, 0x1, 0x0, 0x6, @multicast}, 0x14) sendto$inet6(0xffffffffffffffff, &(0x7f0000847fff)='X', 0x34000, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) 18:02:08 executing program 2: prctl$PR_SCHED_CORE(0x3e, 0x1, 0x0, 0x2, 0x0) r0 = syz_open_dev$sndmidi(&(0x7f0000000040), 0x2, 0x141101) r1 = dup(r0) write$6lowpan_enable(r1, 0x0, 0x0) syz_open_procfs(0x0, &(0x7f0000000080)='net/dev\x00') r2 = socket$inet6_sctp(0xa, 0x5, 0x84) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r2, 0x84, 0x9, &(0x7f0000000580)={0x0, @in={{0x2, 0x0, @empty}}, 0x0, 0x0, 0x3fc, 0x0, 0x32}, 0x9c) bind$packet(0xffffffffffffffff, &(0x7f0000000140)={0x11, 0xf0, 0x0, 0x1, 0x0, 0x6, @multicast}, 0x14) sendto$inet6(r2, &(0x7f0000847fff)='X', 0x1, 0x0, 0x0, 0x0) [ 778.677702][T11839] loop4: detected capacity change from 0 to 4096 18:02:08 executing program 0: r0 = dup(0xffffffffffffffff) write$6lowpan_enable(r0, &(0x7f0000000000)='0', 0xfffffd2c) r1 = socket$inet6_sctp(0xa, 0x5, 0x84) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r1, 0x84, 0x9, &(0x7f0000000580)={0x0, @in={{0x2, 0x0, @empty}}, 0x0, 0x0, 0x3fc, 0x0, 0x32}, 0x9c) bind$packet(0xffffffffffffffff, &(0x7f0000000140)={0x11, 0xf0, 0x0, 0x1, 0x0, 0x6, @multicast}, 0x14) sendto$inet6(0xffffffffffffffff, &(0x7f0000847fff)='X', 0x34000, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) [ 778.721828][T10795] I/O error, dev loop4, sector 0 op 0x0:(READ) flags 0x0 phys_seg 1 prio class 2 [ 778.758787][T10795] Buffer I/O error on dev loop4, logical block 0, async page read [ 778.829504][T10795] loop4: unable to read partition table 18:02:09 executing program 4: prctl$PR_SCHED_CORE(0x3e, 0x1, 0x0, 0x2, 0x0) r0 = syz_open_dev$sndmidi(&(0x7f0000000040), 0x2, 0x141101) r1 = dup(r0) write$6lowpan_enable(r1, &(0x7f0000000000)='0', 0xfffffd2c) r2 = getpid() tkill(r2, 0x0) syz_open_procfs(r2, &(0x7f0000000080)='net/dev\x00') r3 = socket$inet6_sctp(0xa, 0x5, 0x84) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r3, 0x84, 0x9, &(0x7f0000000580)={0x0, @in={{0x2, 0x0, @empty}}, 0x0, 0x0, 0x3fc, 0x0, 0x32}, 0x9c) bind$inet6(r3, &(0x7f00004b8fe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) sendmsg$BATADV_CMD_GET_BLA_BACKBONE(0xffffffffffffffff, &(0x7f0000000240)={&(0x7f00000003c0)={0x10, 0x0, 0x0, 0x40000000}, 0xc, &(0x7f0000000580)={&(0x7f0000000ac0)=ANY=[@ANYBLOB="75b9609d35b13765f535640b1647adc8d4528d7dcb5ecd49ae55d43d3b97ecb1655aa6d8fee6b424e0505947a242cbd17bb07e95b202fc3c205cdbe6a8f96871306ae8b68ac958053ac4db38ca0dc66bbffd0930941f68eeb164059f458da7acaa5be83249f1180500a3884f69053123e3ce572b9b117c90fe0a17097d317242", @ANYRES32, @ANYRES64, @ANYRESOCT, @ANYBLOB="08003c0000080000ffa459f4d55ea7e660d27ca685e5ff2d0008000000080006003a47559364f7aad7844855eeb6e6d7b1e57d788f8dbacc87d90731e061160ba4f8e213ac52941d846cf53ab15299b9743f8bb0e6ea7725942d910a", @ANYRES16, @ANYRESOCT], 0x54}, 0x1, 0x0, 0x0, 0x4041}, 0x0) r4 = syz_mount_image$vfat(&(0x7f0000000900), &(0x7f0000000940)='./file0\x00', 0x200007, 0x3, &(0x7f0000000700)=[{&(0x7f0000000000)="eb3c906d8d6673fdd2617400028001000240000004f801", 0x17}, {&(0x7f0000001440)="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", 0x144, 0x601}, {0x0, 0x0, 0x5}], 0x800440, &(0x7f00000004c0)={[{@shortname_winnt}, {@fat=@gid}, {@iocharset={'iocharset', 0x3d, 'cp866'}}, {@fat=@fmask={'fmask', 0x3d, 0x1ff}}, {@rodir}, {@fat=@errors_remount}, {@shortname_win95}, {@uni_xlate}, {@uni_xlateno}, {@utf8}, {@uni_xlate}, {@utf8no}]}) sendmsg$IPSET_CMD_DEL(0xffffffffffffffff, &(0x7f0000000a80)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x200}, 0xc, &(0x7f0000000400)={&(0x7f00000008c0)=ANY=[@ANYRES64], 0x60}, 0x1, 0x0, 0x0, 0x8840}, 0x4040050) sendmsg$nl_route(0xffffffffffffffff, &(0x7f0000000980)={&(0x7f0000000440)={0x10, 0x0, 0x0, 0x10000000}, 0xc, &(0x7f0000000740)={&(0x7f0000000d00)=ANY=[@ANYBLOB="86f2407d8a204caf80b640e69a13fefeff6f0000042ba98cfcfccd470037369314427ebd70000000000000000000000000000000cdfb0fa21b95f8072c528f2858315775d7552e", @ANYRES32=0x0, @ANYBLOB="0c943d0559ff0600ff0000000c00018005000600c0000000100001800c00a03a03462081c7fc75d9ffffbf", @ANYRESDEC=r4, @ANYRES64], 0x40}, 0x1, 0x0, 0x0, 0x4008000}, 0x44040) sendmsg$DEVLINK_CMD_TRAP_POLICER_GET(0xffffffffffffffff, &(0x7f0000000780)={&(0x7f0000000480)={0x10, 0x0, 0x0, 0x1000}, 0xc, &(0x7f0000000680)={&(0x7f0000000f40)=ANY=[@ANYBLOB="dd82fa64e3415dc226d3ac622a8239db19850e5d1f97ad157d6e4d3b4b1eb09bbca07c99827fb7c132f6ded2b0753747f344067fa51608045c50c82cae8b9d8c5f9f", @ANYRESHEX, @ANYBLOB="000129bd7000fcdbdf35450900000001006e657464657673696d0000000f0002006e65746465ffffffffffffffff008e0001000000080029210ffe70f74135c6c84e95f601007063690011000200303030303a300008008e0000000000080001007063690011000200303030303a30303a31302e300000000408001700a1a628523064156e9f9c48c438c3489ada27a5332186e0618640bae922d4a91285d89e0cf8a2ec5e1bd9978ab6f6864f227aefb818605bb5faa903f2e69df3d3f06c95224bfd42e23b13a9b0ecf7e26eec4ccacef0f496c155b78af42fc33ec2a7e500"/233, @ANYRES16=r4, @ANYRESDEC, @ANYRESOCT, @ANYRES8], 0x84}, 0x1, 0x0, 0x0, 0x85}, 0x40000) sendmsg$nl_route(0xffffffffffffffff, &(0x7f0000000a00)={&(0x7f00000007c0)={0x10, 0x0, 0x0, 0x200000}, 0xc, &(0x7f0000000880)={&(0x7f0000000c00)=ANY=[@ANYBLOB="240000499a000400d7cfb9710f73c673000700ac1e0011000000000000000000000000005a381ff052b251", @ANYRES16, @ANYRESDEC, @ANYRES16, @ANYRES16, @ANYRESOCT], 0x24}, 0x1, 0x0, 0x0, 0x4044080}, 0x8080) bind$packet(0xffffffffffffffff, &(0x7f0000000140)={0x11, 0xf0, 0x0, 0x1, 0x0, 0x6, @multicast}, 0x14) socketpair(0x23, 0x6, 0x40, &(0x7f00000000c0)) sendto$inet6(r3, &(0x7f0000847fff)='X', 0x34000, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) 18:02:09 executing program 0: r0 = dup(0xffffffffffffffff) write$6lowpan_enable(r0, &(0x7f0000000000)='0', 0xfffffd2c) r1 = socket$inet6_sctp(0xa, 0x5, 0x84) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r1, 0x84, 0x9, &(0x7f0000000580)={0x0, @in={{0x2, 0x0, @empty}}, 0x0, 0x0, 0x3fc, 0x0, 0x32}, 0x9c) bind$packet(0xffffffffffffffff, &(0x7f0000000140)={0x11, 0xf0, 0x0, 0x1, 0x0, 0x6, @multicast}, 0x14) sendto$inet6(0xffffffffffffffff, &(0x7f0000847fff)='X', 0x34000, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) 18:02:09 executing program 3: prctl$PR_SCHED_CORE(0x3e, 0x1, 0x0, 0x2, 0x0) r0 = syz_open_dev$sndmidi(&(0x7f0000000040), 0x2, 0x141101) r1 = dup(r0) write$6lowpan_enable(r1, &(0x7f0000000000)='0', 0xfffffd2c) r2 = getpid() tkill(r2, 0x0) syz_open_procfs(r2, &(0x7f0000000080)='net/dev\x00') r3 = socket$inet6_sctp(0xa, 0x5, 0x84) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r3, 0x84, 0x9, &(0x7f0000000580)={0x0, @in={{0x2, 0x0, @empty}}, 0x0, 0x0, 0x3fc, 0x0, 0x32}, 0x9c) bind$inet6(r3, &(0x7f00004b8fe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) sendmsg$BATADV_CMD_GET_BLA_BACKBONE(0xffffffffffffffff, &(0x7f0000000240)={&(0x7f00000003c0)={0x10, 0x0, 0x0, 0x40000000}, 0xc, &(0x7f0000000580)={&(0x7f0000000ac0)=ANY=[@ANYBLOB="75b9609d35b13765f535640b1647adc8d4528d7dcb5ecd49ae55d43d3b97ecb1655aa6d8fee6b424e0505947a242cbd17bb07e95b202fc3c205cdbe6a8f96871306ae8b68ac958053ac4db38ca0dc66bbffd0930941f68eeb164059f458da7acaa5be83249f1180500a3884f69053123e3ce572b9b117c90fe0a17097d317242", @ANYRES32, @ANYRES64, @ANYRESOCT, @ANYBLOB="08003c0000080000ffa459f4d55ea7e660d27ca685e5ff2d0008000000080006003a47559364f7aad7844855eeb6e6d7b1e57d788f8dbacc87d90731e061160ba4f8e213ac52941d846cf53ab15299b9743f8bb0e6ea7725942d910a", @ANYRES16, @ANYRESOCT], 0x54}, 0x1, 0x0, 0x0, 0x4041}, 0x0) r4 = syz_mount_image$vfat(&(0x7f0000000900), &(0x7f0000000940)='./file0\x00', 0x200007, 0x3, &(0x7f0000000700)=[{&(0x7f0000000000)="eb3c906d8d6673fdd2617400028001000240000004f801", 0x17}, {&(0x7f0000001440)="57595a4b414c4c45522020085ac19f69b8f2b2b1ea1b86fe96df5eed1df1df001cc2de850f1fff00000000000000005effac2ac4c15e29fb3c18edfff8d198e312475ffa1d000000000000ad25822a17b17f463e104179c19c2a000000000000000031ddc0777df2ec4f62826086704d703da32c57364aed74cd748a178abcaf1180ad796d06c19dbfeab6d3ed941a1cacccf272186cd3ca10ff022a10965e82db34eb6d694a58a9989a416b163d4c4bc298081185914835b501f8a68095f4971f6ce1898a89338c7c085e24c6593256f2fc4816ce2f4ae05785f0098163b801f28941f7d343ae0400742251c5e613ce9f4ad9c503ee759c7f55cb947f59ac5de9570000000000002ea02a000082000000000000000000874b195ee473f8b2658fd172f402cab0e5937d227c0000000000000002385a2452e4b6f7b064f3fa05d359694f", 0x144, 0x601}, {0x0, 0x0, 0x5}], 0x800440, &(0x7f00000004c0)={[{@shortname_winnt}, {@fat=@gid}, {@iocharset={'iocharset', 0x3d, 'cp866'}}, {@fat=@fmask={'fmask', 0x3d, 0x1ff}}, {@rodir}, {@fat=@errors_remount}, {@shortname_win95}, {@uni_xlate}, {@uni_xlateno}, {@utf8}, {@uni_xlate}, {@utf8no}]}) sendmsg$IPSET_CMD_DEL(0xffffffffffffffff, &(0x7f0000000a80)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x200}, 0xc, &(0x7f0000000400)={&(0x7f00000008c0)=ANY=[@ANYRES64], 0x60}, 0x1, 0x0, 0x0, 0x8840}, 0x4040050) sendmsg$nl_route(0xffffffffffffffff, &(0x7f0000000980)={&(0x7f0000000440)={0x10, 0x0, 0x0, 0x10000000}, 0xc, &(0x7f0000000740)={&(0x7f0000000d00)=ANY=[@ANYBLOB="86f2407d8a204caf80b640e69a13fefeff6f0000042ba98cfcfccd470037369314427ebd70000000000000000000000000000000cdfb0fa21b95f8072c528f2858315775d7552e", @ANYRES32=0x0, @ANYBLOB="0c943d0559ff0600ff0000000c00018005000600c0000000100001800c00a03a03462081c7fc75d9ffffbf", @ANYRESDEC=r4, @ANYRES64], 0x40}, 0x1, 0x0, 0x0, 0x4008000}, 0x44040) sendmsg$DEVLINK_CMD_TRAP_POLICER_GET(0xffffffffffffffff, &(0x7f0000000780)={&(0x7f0000000480)={0x10, 0x0, 0x0, 0x1000}, 0xc, &(0x7f0000000680)={&(0x7f0000000f40)=ANY=[@ANYBLOB="dd82fa64e3415dc226d3ac622a8239db19850e5d1f97ad157d6e4d3b4b1eb09bbca07c99827fb7c132f6ded2b0753747f344067fa51608045c50c82cae8b9d8c5f9f", @ANYRESHEX, @ANYBLOB="000129bd7000fcdbdf35450900000001006e657464657673696d0000000f0002006e65746465ffffffffffffffff008e0001000000080029210ffe70f74135c6c84e95f601007063690011000200303030303a300008008e0000000000080001007063690011000200303030303a30303a31302e300000000408001700a1a628523064156e9f9c48c438c3489ada27a5332186e0618640bae922d4a91285d89e0cf8a2ec5e1bd9978ab6f6864f227aefb818605bb5faa903f2e69df3d3f06c95224bfd42e23b13a9b0ecf7e26eec4ccacef0f496c155b78af42fc33ec2a7e500"/233, @ANYRES16=r4, @ANYRESDEC, @ANYRESOCT, @ANYRES8], 0x84}, 0x1, 0x0, 0x0, 0x85}, 0x40000) sendmsg$nl_route(0xffffffffffffffff, &(0x7f0000000a00)={&(0x7f00000007c0)={0x10, 0x0, 0x0, 0x200000}, 0xc, &(0x7f0000000880)={&(0x7f0000000c00)=ANY=[@ANYBLOB="240000499a000400d7cfb9710f73c673000700ac1e0011000000000000000000000000005a381ff052b251", @ANYRES16, @ANYRESDEC, @ANYRES16, @ANYRES16, @ANYRESOCT], 0x24}, 0x1, 0x0, 0x0, 0x4044080}, 0x8080) bind$packet(0xffffffffffffffff, &(0x7f0000000140)={0x11, 0xf0, 0x0, 0x1, 0x0, 0x6, @multicast}, 0x14) socketpair(0x23, 0x6, 0x40, &(0x7f00000000c0)) sendto$inet6(r3, &(0x7f0000847fff)='X', 0x34000, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) 18:02:09 executing program 5: prctl$PR_SCHED_CORE(0x3e, 0x1, 0x0, 0x2, 0x0) r0 = syz_open_dev$sndmidi(&(0x7f0000000040), 0x2, 0x141101) r1 = dup(r0) write$6lowpan_enable(r1, &(0x7f0000000000)='0', 0xfffffd2c) r2 = getpid() tkill(r2, 0x0) syz_open_procfs(r2, &(0x7f0000000080)='net/dev\x00') r3 = socket$inet6_sctp(0xa, 0x5, 0x84) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r3, 0x84, 0x9, &(0x7f0000000580)={0x0, @in={{0x2, 0x0, @empty}}, 0x0, 0x0, 0x3fc, 0x0, 0x32}, 0x9c) bind$inet6(r3, &(0x7f00004b8fe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) sendmsg$BATADV_CMD_GET_BLA_BACKBONE(0xffffffffffffffff, &(0x7f0000000240)={&(0x7f00000003c0)={0x10, 0x0, 0x0, 0x40000000}, 0xc, &(0x7f0000000580)={&(0x7f0000000ac0)=ANY=[@ANYBLOB="75b9609d35b13765f535640b1647adc8d4528d7dcb5ecd49ae55d43d3b97ecb1655aa6d8fee6b424e0505947a242cbd17bb07e95b202fc3c205cdbe6a8f96871306ae8b68ac958053ac4db38ca0dc66bbffd0930941f68eeb164059f458da7acaa5be83249f1180500a3884f69053123e3ce572b9b117c90fe0a17097d317242", @ANYRES32, @ANYRES64, @ANYRESOCT, @ANYBLOB="08003c0000080000ffa459f4d55ea7e660d27ca685e5ff2d0008000000080006003a47559364f7aad7844855eeb6e6d7b1e57d788f8dbacc87d90731e061160ba4f8e213ac52941d846cf53ab15299b9743f8bb0e6ea7725942d910a", @ANYRES16, @ANYRESOCT], 0x54}, 0x1, 0x0, 0x0, 0x4041}, 0x0) r4 = syz_mount_image$vfat(&(0x7f0000000900), &(0x7f0000000940)='./file0\x00', 0x200007, 0x3, &(0x7f0000000700)=[{&(0x7f0000000000)="eb3c906d8d6673fdd2617400028001000240000004f801", 0x17}, {&(0x7f0000001440)="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", 0x144, 0x601}, {0x0, 0x0, 0x5}], 0x800440, &(0x7f00000004c0)={[{@shortname_winnt}, {@fat=@gid}, {@iocharset={'iocharset', 0x3d, 'cp866'}}, {@fat=@fmask={'fmask', 0x3d, 0x1ff}}, {@rodir}, {@fat=@errors_remount}, {@shortname_win95}, {@uni_xlate}, {@uni_xlateno}, {@utf8}, {@uni_xlate}, {@utf8no}]}) sendmsg$IPSET_CMD_DEL(0xffffffffffffffff, &(0x7f0000000a80)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x200}, 0xc, &(0x7f0000000400)={&(0x7f00000008c0)=ANY=[@ANYRES64], 0x60}, 0x1, 0x0, 0x0, 0x8840}, 0x4040050) sendmsg$nl_route(0xffffffffffffffff, &(0x7f0000000980)={&(0x7f0000000440)={0x10, 0x0, 0x0, 0x10000000}, 0xc, &(0x7f0000000740)={&(0x7f0000000d00)=ANY=[@ANYBLOB="86f2407d8a204caf80b640e69a13fefeff6f0000042ba98cfcfccd470037369314427ebd70000000000000000000000000000000cdfb0fa21b95f8072c528f2858315775d7552e", @ANYRES32=0x0, @ANYBLOB="0c943d0559ff0600ff0000000c00018005000600c0000000100001800c00a03a03462081c7fc75d9ffffbf", @ANYRESDEC=r4, @ANYRES64], 0x40}, 0x1, 0x0, 0x0, 0x4008000}, 0x44040) sendmsg$DEVLINK_CMD_TRAP_POLICER_GET(0xffffffffffffffff, &(0x7f0000000780)={&(0x7f0000000480)={0x10, 0x0, 0x0, 0x1000}, 0xc, &(0x7f0000000680)={&(0x7f0000000f40)=ANY=[@ANYBLOB="dd82fa64e3415dc226d3ac622a8239db19850e5d1f97ad157d6e4d3b4b1eb09bbca07c99827fb7c132f6ded2b0753747f344067fa51608045c50c82cae8b9d8c5f9f", @ANYRESHEX, @ANYBLOB="000129bd7000fcdbdf35450900000001006e657464657673696d0000000f0002006e65746465ffffffffffffffff008e0001000000080029210ffe70f74135c6c84e95f601007063690011000200303030303a300008008e0000000000080001007063690011000200303030303a30303a31302e300000000408001700a1a628523064156e9f9c48c438c3489ada27a5332186e0618640bae922d4a91285d89e0cf8a2ec5e1bd9978ab6f6864f227aefb818605bb5faa903f2e69df3d3f06c95224bfd42e23b13a9b0ecf7e26eec4ccacef0f496c155b78af42fc33ec2a7e500"/233, @ANYRES16=r4, @ANYRESDEC, @ANYRESOCT, @ANYRES8], 0x84}, 0x1, 0x0, 0x0, 0x85}, 0x40000) sendmsg$nl_route(0xffffffffffffffff, &(0x7f0000000a00)={&(0x7f00000007c0)={0x10, 0x0, 0x0, 0x200000}, 0xc, &(0x7f0000000880)={&(0x7f0000000c00)=ANY=[@ANYBLOB="240000499a000400d7cfb9710f73c673000700ac1e0011000000000000000000000000005a381ff052b251", @ANYRES16, @ANYRESDEC, @ANYRES16, @ANYRES16, @ANYRESOCT], 0x24}, 0x1, 0x0, 0x0, 0x4044080}, 0x8080) bind$packet(0xffffffffffffffff, &(0x7f0000000140)={0x11, 0xf0, 0x0, 0x1, 0x0, 0x6, @multicast}, 0x14) socketpair(0x23, 0x6, 0x40, &(0x7f00000000c0)) sendto$inet6(r3, &(0x7f0000847fff)='X', 0x34000, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) 18:02:09 executing program 2: prctl$PR_SCHED_CORE(0x3e, 0x1, 0x0, 0x2, 0x0) r0 = syz_open_dev$sndmidi(&(0x7f0000000040), 0x2, 0x141101) r1 = dup(r0) write$6lowpan_enable(r1, 0x0, 0x0) syz_open_procfs(0x0, &(0x7f0000000080)='net/dev\x00') r2 = socket$inet6_sctp(0xa, 0x5, 0x84) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r2, 0x84, 0x9, &(0x7f0000000580)={0x0, @in={{0x2, 0x0, @empty}}, 0x0, 0x0, 0x3fc, 0x0, 0x32}, 0x9c) bind$packet(0xffffffffffffffff, &(0x7f0000000140)={0x11, 0xf0, 0x0, 0x1, 0x0, 0x6, @multicast}, 0x14) sendto$inet6(r2, &(0x7f0000847fff)='X', 0x1, 0x0, 0x0, 0x0) 18:02:09 executing program 1: prctl$PR_SCHED_CORE(0x3e, 0x1, 0x0, 0x2, 0x0) r0 = syz_open_dev$sndmidi(&(0x7f0000000040), 0x2, 0x141101) r1 = dup(r0) write$6lowpan_enable(r1, &(0x7f0000000000)='0', 0xfffffd2c) syz_open_procfs(0x0, &(0x7f0000000080)='net/dev\x00') r2 = socket$inet6_sctp(0xa, 0x5, 0x84) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r2, 0x84, 0x9, &(0x7f0000000580)={0x0, @in={{0x2, 0x0, @empty}}, 0x0, 0x0, 0x3fc, 0x0, 0x32}, 0x9c) bind$packet(0xffffffffffffffff, &(0x7f0000000140)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @multicast}, 0x14) sendto$inet6(r2, 0x0, 0x0, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) 18:02:09 executing program 0: r0 = dup(0xffffffffffffffff) write$6lowpan_enable(r0, &(0x7f0000000000)='0', 0xfffffd2c) r1 = socket$inet6_sctp(0xa, 0x5, 0x84) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r1, 0x84, 0x9, &(0x7f0000000580)={0x0, @in={{0x2, 0x0, @empty}}, 0x0, 0x0, 0x3fc, 0x0, 0x32}, 0x9c) bind$packet(0xffffffffffffffff, &(0x7f0000000140)={0x11, 0xf0, 0x0, 0x1, 0x0, 0x6, @multicast}, 0x14) sendto$inet6(r1, 0x0, 0x0, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) 18:02:09 executing program 2: prctl$PR_SCHED_CORE(0x3e, 0x1, 0x0, 0x2, 0x0) r0 = syz_open_dev$sndmidi(&(0x7f0000000040), 0x2, 0x141101) r1 = dup(r0) write$6lowpan_enable(r1, 0x0, 0x0) syz_open_procfs(0x0, &(0x7f0000000080)='net/dev\x00') r2 = socket$inet6_sctp(0xa, 0x5, 0x84) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r2, 0x84, 0x9, &(0x7f0000000580)={0x0, @in={{0x2, 0x0, @empty}}, 0x0, 0x0, 0x3fc, 0x0, 0x32}, 0x9c) bind$packet(0xffffffffffffffff, &(0x7f0000000140)={0x11, 0xf0, 0x0, 0x1, 0x0, 0x6, @multicast}, 0x14) sendto$inet6(r2, &(0x7f0000847fff)='X', 0x34000, 0x0, &(0x7f000005ffe4)={0xa, 0x0, 0x0, @loopback}, 0x1c) 18:02:09 executing program 0: r0 = dup(0xffffffffffffffff) write$6lowpan_enable(r0, &(0x7f0000000000)='0', 0xfffffd2c) r1 = socket$inet6_sctp(0xa, 0x5, 0x84) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r1, 0x84, 0x9, &(0x7f0000000580)={0x0, @in={{0x2, 0x0, @empty}}, 0x0, 0x0, 0x3fc, 0x0, 0x32}, 0x9c) bind$packet(0xffffffffffffffff, &(0x7f0000000140)={0x11, 0xf0, 0x0, 0x1, 0x0, 0x6, @multicast}, 0x14) sendto$inet6(r1, 0x0, 0x0, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) [ 779.370040][T11855] loop4: detected capacity change from 0 to 4096 [ 779.413765][T11863] loop5: detected capacity change from 0 to 4096 18:02:09 executing program 0: r0 = dup(0xffffffffffffffff) write$6lowpan_enable(r0, &(0x7f0000000000)='0', 0xfffffd2c) r1 = socket$inet6_sctp(0xa, 0x5, 0x84) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r1, 0x84, 0x9, &(0x7f0000000580)={0x0, @in={{0x2, 0x0, @empty}}, 0x0, 0x0, 0x3fc, 0x0, 0x32}, 0x9c) bind$packet(0xffffffffffffffff, &(0x7f0000000140)={0x11, 0xf0, 0x0, 0x1, 0x0, 0x6, @multicast}, 0x14) sendto$inet6(r1, 0x0, 0x0, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) [ 779.509971][T11869] loop3: detected capacity change from 0 to 4096 18:02:09 executing program 0: r0 = dup(0xffffffffffffffff) write$6lowpan_enable(r0, &(0x7f0000000000)='0', 0xfffffd2c) r1 = socket$inet6_sctp(0xa, 0x5, 0x84) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r1, 0x84, 0x9, &(0x7f0000000580)={0x0, @in={{0x2, 0x0, @empty}}, 0x0, 0x0, 0x3fc, 0x0, 0x32}, 0x9c) bind$packet(0xffffffffffffffff, &(0x7f0000000140)={0x11, 0xf0, 0x0, 0x1, 0x0, 0x6, @multicast}, 0x14) sendto$inet6(r1, &(0x7f0000847fff), 0x0, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) 18:02:09 executing program 0: r0 = dup(0xffffffffffffffff) write$6lowpan_enable(r0, &(0x7f0000000000)='0', 0xfffffd2c) r1 = socket$inet6_sctp(0xa, 0x5, 0x84) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r1, 0x84, 0x9, &(0x7f0000000580)={0x0, @in={{0x2, 0x0, @empty}}, 0x0, 0x0, 0x3fc, 0x0, 0x32}, 0x9c) bind$packet(0xffffffffffffffff, &(0x7f0000000140)={0x11, 0xf0, 0x0, 0x1, 0x0, 0x6, @multicast}, 0x14) sendto$inet6(r1, &(0x7f0000847fff), 0x0, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) 18:02:10 executing program 2: prctl$PR_SCHED_CORE(0x3e, 0x1, 0x0, 0x2, 0x0) r0 = syz_open_dev$sndmidi(&(0x7f0000000040), 0x2, 0x141101) r1 = dup(r0) write$6lowpan_enable(r1, 0x0, 0x0) syz_open_procfs(0x0, &(0x7f0000000080)='net/dev\x00') r2 = socket$inet6_sctp(0xa, 0x5, 0x84) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r2, 0x84, 0x9, &(0x7f0000000580)={0x0, @in={{0x2, 0x0, @empty}}, 0x0, 0x0, 0x3fc, 0x0, 0x32}, 0x9c) bind$packet(0xffffffffffffffff, &(0x7f0000000140)={0x11, 0xf0, 0x0, 0x1, 0x0, 0x6, @multicast}, 0x14) sendto$inet6(r2, &(0x7f0000847fff)='X', 0x34000, 0x0, &(0x7f000005ffe4)={0xa, 0x0, 0x0, @loopback}, 0x1c) 18:02:10 executing program 4: prctl$PR_SCHED_CORE(0x3e, 0x1, 0x0, 0x2, 0x0) r0 = syz_open_dev$sndmidi(&(0x7f0000000040), 0x2, 0x141101) r1 = dup(r0) write$6lowpan_enable(r1, &(0x7f0000000000)='0', 0xfffffd2c) r2 = getpid() tkill(r2, 0x0) syz_open_procfs(r2, &(0x7f0000000080)='net/dev\x00') r3 = socket$inet6_sctp(0xa, 0x5, 0x84) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r3, 0x84, 0x9, &(0x7f0000000580)={0x0, @in={{0x2, 0x0, @empty}}, 0x0, 0x0, 0x3fc, 0x0, 0x32}, 0x9c) bind$inet6(r3, &(0x7f00004b8fe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) sendmsg$BATADV_CMD_GET_BLA_BACKBONE(0xffffffffffffffff, &(0x7f0000000240)={&(0x7f00000003c0)={0x10, 0x0, 0x0, 0x40000000}, 0xc, &(0x7f0000000580)={&(0x7f0000000ac0)=ANY=[@ANYBLOB="75b9609d35b13765f535640b1647adc8d4528d7dcb5ecd49ae55d43d3b97ecb1655aa6d8fee6b424e0505947a242cbd17bb07e95b202fc3c205cdbe6a8f96871306ae8b68ac958053ac4db38ca0dc66bbffd0930941f68eeb164059f458da7acaa5be83249f1180500a3884f69053123e3ce572b9b117c90fe0a17097d317242", @ANYRES32, @ANYRES64, @ANYRESOCT, @ANYBLOB="08003c0000080000ffa459f4d55ea7e660d27ca685e5ff2d0008000000080006003a47559364f7aad7844855eeb6e6d7b1e57d788f8dbacc87d90731e061160ba4f8e213ac52941d846cf53ab15299b9743f8bb0e6ea7725942d910a", @ANYRES16, @ANYRESOCT], 0x54}, 0x1, 0x0, 0x0, 0x4041}, 0x0) r4 = syz_mount_image$vfat(&(0x7f0000000900), &(0x7f0000000940)='./file0\x00', 0x200007, 0x3, &(0x7f0000000700)=[{&(0x7f0000000000)="eb3c906d8d6673fdd2617400028001000240000004f801", 0x17}, {&(0x7f0000001440)="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", 0x144, 0x601}, {0x0, 0x0, 0x5}], 0x800440, &(0x7f00000004c0)={[{@shortname_winnt}, {@fat=@gid}, {@iocharset={'iocharset', 0x3d, 'cp866'}}, {@fat=@fmask={'fmask', 0x3d, 0x1ff}}, {@rodir}, {@fat=@errors_remount}, {@shortname_win95}, {@uni_xlate}, {@uni_xlateno}, {@utf8}, {@uni_xlate}, {@utf8no}]}) sendmsg$IPSET_CMD_DEL(0xffffffffffffffff, &(0x7f0000000a80)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x200}, 0xc, &(0x7f0000000400)={&(0x7f00000008c0)=ANY=[@ANYRES64], 0x60}, 0x1, 0x0, 0x0, 0x8840}, 0x4040050) sendmsg$nl_route(0xffffffffffffffff, &(0x7f0000000980)={&(0x7f0000000440)={0x10, 0x0, 0x0, 0x10000000}, 0xc, &(0x7f0000000740)={&(0x7f0000000d00)=ANY=[@ANYBLOB="86f2407d8a204caf80b640e69a13fefeff6f0000042ba98cfcfccd470037369314427ebd70000000000000000000000000000000cdfb0fa21b95f8072c528f2858315775d7552e", @ANYRES32=0x0, @ANYBLOB="0c943d0559ff0600ff0000000c00018005000600c0000000100001800c00a03a03462081c7fc75d9ffffbf", @ANYRESDEC=r4, @ANYRES64], 0x40}, 0x1, 0x0, 0x0, 0x4008000}, 0x44040) sendmsg$DEVLINK_CMD_TRAP_POLICER_GET(0xffffffffffffffff, &(0x7f0000000780)={&(0x7f0000000480)={0x10, 0x0, 0x0, 0x1000}, 0xc, &(0x7f0000000680)={&(0x7f0000000f40)=ANY=[@ANYBLOB="dd82fa64e3415dc226d3ac622a8239db19850e5d1f97ad157d6e4d3b4b1eb09bbca07c99827fb7c132f6ded2b0753747f344067fa51608045c50c82cae8b9d8c5f9f", @ANYRESHEX, @ANYBLOB="000129bd7000fcdbdf35450900000001006e657464657673696d0000000f0002006e65746465ffffffffffffffff008e0001000000080029210ffe70f74135c6c84e95f601007063690011000200303030303a300008008e0000000000080001007063690011000200303030303a30303a31302e300000000408001700a1a628523064156e9f9c48c438c3489ada27a5332186e0618640bae922d4a91285d89e0cf8a2ec5e1bd9978ab6f6864f227aefb818605bb5faa903f2e69df3d3f06c95224bfd42e23b13a9b0ecf7e26eec4ccacef0f496c155b78af42fc33ec2a7e500"/233, @ANYRES16=r4, @ANYRESDEC, @ANYRESOCT, @ANYRES8], 0x84}, 0x1, 0x0, 0x0, 0x85}, 0x40000) sendmsg$nl_route(0xffffffffffffffff, &(0x7f0000000a00)={&(0x7f00000007c0)={0x10, 0x0, 0x0, 0x200000}, 0xc, &(0x7f0000000880)={&(0x7f0000000c00)=ANY=[@ANYBLOB="240000499a000400d7cfb9710f73c673000700ac1e0011000000000000000000000000005a381ff052b251", @ANYRES16, @ANYRESDEC, @ANYRES16, @ANYRES16, @ANYRESOCT], 0x24}, 0x1, 0x0, 0x0, 0x4044080}, 0x8080) bind$packet(0xffffffffffffffff, &(0x7f0000000140)={0x11, 0xf0, 0x0, 0x1, 0x0, 0x6, @multicast}, 0x14) socketpair(0x23, 0x6, 0x40, &(0x7f00000000c0)) sendto$inet6(r3, &(0x7f0000847fff)='X', 0x34000, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) 18:02:10 executing program 3: prctl$PR_SCHED_CORE(0x3e, 0x1, 0x0, 0x2, 0x0) r0 = syz_open_dev$sndmidi(&(0x7f0000000040), 0x2, 0x141101) r1 = dup(r0) write$6lowpan_enable(r1, &(0x7f0000000000)='0', 0xfffffd2c) r2 = getpid() tkill(r2, 0x0) syz_open_procfs(r2, &(0x7f0000000080)='net/dev\x00') r3 = socket$inet6_sctp(0xa, 0x5, 0x84) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r3, 0x84, 0x9, &(0x7f0000000580)={0x0, @in={{0x2, 0x0, @empty}}, 0x0, 0x0, 0x3fc, 0x0, 0x32}, 0x9c) bind$inet6(r3, &(0x7f00004b8fe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) sendmsg$BATADV_CMD_GET_BLA_BACKBONE(0xffffffffffffffff, &(0x7f0000000240)={&(0x7f00000003c0)={0x10, 0x0, 0x0, 0x40000000}, 0xc, &(0x7f0000000580)={&(0x7f0000000ac0)=ANY=[@ANYBLOB="75b9609d35b13765f535640b1647adc8d4528d7dcb5ecd49ae55d43d3b97ecb1655aa6d8fee6b424e0505947a242cbd17bb07e95b202fc3c205cdbe6a8f96871306ae8b68ac958053ac4db38ca0dc66bbffd0930941f68eeb164059f458da7acaa5be83249f1180500a3884f69053123e3ce572b9b117c90fe0a17097d317242", @ANYRES32, @ANYRES64, @ANYRESOCT, @ANYBLOB="08003c0000080000ffa459f4d55ea7e660d27ca685e5ff2d0008000000080006003a47559364f7aad7844855eeb6e6d7b1e57d788f8dbacc87d90731e061160ba4f8e213ac52941d846cf53ab15299b9743f8bb0e6ea7725942d910a", @ANYRES16, @ANYRESOCT], 0x54}, 0x1, 0x0, 0x0, 0x4041}, 0x0) r4 = syz_mount_image$vfat(&(0x7f0000000900), &(0x7f0000000940)='./file0\x00', 0x200007, 0x3, &(0x7f0000000700)=[{&(0x7f0000000000)="eb3c906d8d6673fdd2617400028001000240000004f801", 0x17}, {&(0x7f0000001440)="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", 0x144, 0x601}, {0x0, 0x0, 0x5}], 0x800440, &(0x7f00000004c0)={[{@shortname_winnt}, {@fat=@gid}, {@iocharset={'iocharset', 0x3d, 'cp866'}}, {@fat=@fmask={'fmask', 0x3d, 0x1ff}}, {@rodir}, {@fat=@errors_remount}, {@shortname_win95}, {@uni_xlate}, {@uni_xlateno}, {@utf8}, {@uni_xlate}, {@utf8no}]}) sendmsg$IPSET_CMD_DEL(0xffffffffffffffff, &(0x7f0000000a80)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x200}, 0xc, &(0x7f0000000400)={&(0x7f00000008c0)=ANY=[@ANYRES64], 0x60}, 0x1, 0x0, 0x0, 0x8840}, 0x4040050) sendmsg$nl_route(0xffffffffffffffff, &(0x7f0000000980)={&(0x7f0000000440)={0x10, 0x0, 0x0, 0x10000000}, 0xc, &(0x7f0000000740)={&(0x7f0000000d00)=ANY=[@ANYBLOB="86f2407d8a204caf80b640e69a13fefeff6f0000042ba98cfcfccd470037369314427ebd70000000000000000000000000000000cdfb0fa21b95f8072c528f2858315775d7552e", @ANYRES32=0x0, @ANYBLOB="0c943d0559ff0600ff0000000c00018005000600c0000000100001800c00a03a03462081c7fc75d9ffffbf", @ANYRESDEC=r4, @ANYRES64], 0x40}, 0x1, 0x0, 0x0, 0x4008000}, 0x44040) sendmsg$DEVLINK_CMD_TRAP_POLICER_GET(0xffffffffffffffff, &(0x7f0000000780)={&(0x7f0000000480)={0x10, 0x0, 0x0, 0x1000}, 0xc, &(0x7f0000000680)={&(0x7f0000000f40)=ANY=[@ANYBLOB="dd82fa64e3415dc226d3ac622a8239db19850e5d1f97ad157d6e4d3b4b1eb09bbca07c99827fb7c132f6ded2b0753747f344067fa51608045c50c82cae8b9d8c5f9f", @ANYRESHEX, @ANYBLOB="000129bd7000fcdbdf35450900000001006e657464657673696d0000000f0002006e65746465ffffffffffffffff008e0001000000080029210ffe70f74135c6c84e95f601007063690011000200303030303a300008008e0000000000080001007063690011000200303030303a30303a31302e300000000408001700a1a628523064156e9f9c48c438c3489ada27a5332186e0618640bae922d4a91285d89e0cf8a2ec5e1bd9978ab6f6864f227aefb818605bb5faa903f2e69df3d3f06c95224bfd42e23b13a9b0ecf7e26eec4ccacef0f496c155b78af42fc33ec2a7e500"/233, @ANYRES16=r4, @ANYRESDEC, @ANYRESOCT, @ANYRES8], 0x84}, 0x1, 0x0, 0x0, 0x85}, 0x40000) sendmsg$nl_route(0xffffffffffffffff, &(0x7f0000000a00)={&(0x7f00000007c0)={0x10, 0x0, 0x0, 0x200000}, 0xc, &(0x7f0000000880)={&(0x7f0000000c00)=ANY=[@ANYBLOB="240000499a000400d7cfb9710f73c673000700ac1e0011000000000000000000000000005a381ff052b251", @ANYRES16, @ANYRESDEC, @ANYRES16, @ANYRES16, @ANYRESOCT], 0x24}, 0x1, 0x0, 0x0, 0x4044080}, 0x8080) bind$packet(0xffffffffffffffff, &(0x7f0000000140)={0x11, 0xf0, 0x0, 0x1, 0x0, 0x6, @multicast}, 0x14) socketpair(0x23, 0x6, 0x40, &(0x7f00000000c0)) sendto$inet6(r3, &(0x7f0000847fff)='X', 0x34000, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) 18:02:10 executing program 5: prctl$PR_SCHED_CORE(0x3e, 0x1, 0x0, 0x2, 0x0) r0 = syz_open_dev$sndmidi(&(0x7f0000000040), 0x2, 0x141101) r1 = dup(r0) write$6lowpan_enable(r1, 0x0, 0x0) syz_open_procfs(0x0, &(0x7f0000000080)='net/dev\x00') r2 = socket$inet6_sctp(0xa, 0x5, 0x84) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r2, 0x84, 0x9, &(0x7f0000000580)={0x0, @in={{0x2, 0x0, @empty}}, 0x0, 0x0, 0x3fc, 0x0, 0x32}, 0x9c) bind$packet(0xffffffffffffffff, &(0x7f0000000140)={0x11, 0xf0, 0x0, 0x1, 0x0, 0x6, @multicast}, 0x14) sendto$inet6(r2, &(0x7f0000847fff)='X', 0x34000, 0x0, &(0x7f000005ffe4)={0xa, 0x0, 0x0, @loopback}, 0x1c) 18:02:10 executing program 0: r0 = dup(0xffffffffffffffff) write$6lowpan_enable(r0, &(0x7f0000000000)='0', 0xfffffd2c) r1 = socket$inet6_sctp(0xa, 0x5, 0x84) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r1, 0x84, 0x9, &(0x7f0000000580)={0x0, @in={{0x2, 0x0, @empty}}, 0x0, 0x0, 0x3fc, 0x0, 0x32}, 0x9c) bind$packet(0xffffffffffffffff, &(0x7f0000000140)={0x11, 0xf0, 0x0, 0x1, 0x0, 0x6, @multicast}, 0x14) sendto$inet6(r1, &(0x7f0000847fff), 0x0, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) 18:02:10 executing program 1: prctl$PR_SCHED_CORE(0x3e, 0x1, 0x0, 0x2, 0x0) r0 = syz_open_dev$sndmidi(&(0x7f0000000040), 0x2, 0x141101) r1 = dup(r0) write$6lowpan_enable(r1, &(0x7f0000000000)='0', 0xfffffd2c) syz_open_procfs(0x0, &(0x7f0000000080)='net/dev\x00') r2 = socket$inet6_sctp(0xa, 0x5, 0x84) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r2, 0x84, 0x9, &(0x7f0000000580)={0x0, @in={{0x2, 0x0, @empty}}, 0x0, 0x0, 0x3fc, 0x0, 0x32}, 0x9c) bind$packet(0xffffffffffffffff, &(0x7f0000000140)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @multicast}, 0x14) sendto$inet6(r2, 0x0, 0x0, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) 18:02:10 executing program 2: prctl$PR_SCHED_CORE(0x3e, 0x1, 0x0, 0x2, 0x0) r0 = syz_open_dev$sndmidi(&(0x7f0000000040), 0x2, 0x141101) r1 = dup(r0) write$6lowpan_enable(r1, 0x0, 0x0) syz_open_procfs(0x0, &(0x7f0000000080)='net/dev\x00') r2 = socket$inet6_sctp(0xa, 0x5, 0x84) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r2, 0x84, 0x9, &(0x7f0000000580)={0x0, @in={{0x2, 0x0, @empty}}, 0x0, 0x0, 0x3fc, 0x0, 0x32}, 0x9c) bind$packet(0xffffffffffffffff, &(0x7f0000000140)={0x11, 0xf0, 0x0, 0x1, 0x0, 0x6, @multicast}, 0x14) sendto$inet6(r2, &(0x7f0000847fff)='X', 0x34000, 0x0, &(0x7f000005ffe4)={0xa, 0x0, 0x0, @loopback}, 0x1c) 18:02:10 executing program 0: r0 = dup(0xffffffffffffffff) write$6lowpan_enable(r0, &(0x7f0000000000)='0', 0xfffffd2c) r1 = socket$inet6_sctp(0xa, 0x5, 0x84) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r1, 0x84, 0x9, &(0x7f0000000580)={0x0, @in={{0x2, 0x0, @empty}}, 0x0, 0x0, 0x3fc, 0x0, 0x32}, 0x9c) bind$packet(0xffffffffffffffff, &(0x7f0000000140)={0x11, 0xf0, 0x0, 0x1, 0x0, 0x6, @multicast}, 0x14) sendto$inet6(r1, &(0x7f0000847fff)='X', 0x1, 0x0, 0x0, 0x0) [ 780.618488][T11886] loop4: detected capacity change from 0 to 4096 18:02:10 executing program 0: r0 = dup(0xffffffffffffffff) write$6lowpan_enable(r0, &(0x7f0000000000)='0', 0xfffffd2c) r1 = socket$inet6_sctp(0xa, 0x5, 0x84) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r1, 0x84, 0x9, &(0x7f0000000580)={0x0, @in={{0x2, 0x0, @empty}}, 0x0, 0x0, 0x3fc, 0x0, 0x32}, 0x9c) bind$packet(0xffffffffffffffff, &(0x7f0000000140)={0x11, 0xf0, 0x0, 0x1, 0x0, 0x6, @multicast}, 0x14) sendto$inet6(r1, &(0x7f0000847fff)='X', 0x1, 0x0, 0x0, 0x0) 18:02:10 executing program 2: ioctl$SNDRV_CTL_IOCTL_RAWMIDI_NEXT_DEVICE(0xffffffffffffffff, 0xc1205531, 0xfffffffffffffffc) syz_genetlink_get_family_id$devlink(0x0, 0xffffffffffffffff) r0 = syz_mount_image$vfat(&(0x7f0000000900), &(0x7f0000000940)='./file0\x00', 0x200007, 0x1, &(0x7f0000000700)=[{&(0x7f0000000000)="eb3c906d8d6673fdd2617400028001000240000004f801", 0x17}], 0x800440, &(0x7f00000004c0)={[{@shortname_winnt}, {@fat=@gid}, {@iocharset={'iocharset', 0x3d, 'cp866'}}, {@fat=@fmask={'fmask', 0x3d, 0x1ff}}, {@rodir}, {@fat=@errors_remount}, {@shortname_win95}, {@uni_xlate}, {@uni_xlateno}, {@utf8}, {@uni_xlate}, {@utf8no}]}) mknodat$loop(r0, &(0x7f0000000000)='./file0\x00', 0x100, 0x0) [ 780.852916][T11902] loop3: detected capacity change from 0 to 4096 18:02:10 executing program 5: ioctl$SNDRV_CTL_IOCTL_RAWMIDI_NEXT_DEVICE(0xffffffffffffffff, 0xc1205531, 0xfffffffffffffffc) syz_genetlink_get_family_id$devlink(0x0, 0xffffffffffffffff) r0 = syz_mount_image$vfat(&(0x7f0000000900), &(0x7f0000000940)='./file0\x00', 0x200007, 0x1, &(0x7f0000000700)=[{&(0x7f0000000000)="eb3c906d8d6673fdd2617400028001000240000004f801", 0x17}], 0x800440, &(0x7f00000004c0)={[{@shortname_winnt}, {@fat=@gid}, {@iocharset={'iocharset', 0x3d, 'cp866'}}, {@fat=@fmask={'fmask', 0x3d, 0x1ff}}, {@rodir}, {@fat=@errors_remount}, {@shortname_win95}, {@uni_xlate}, {@uni_xlateno}, {@utf8}, {@uni_xlate}, {@utf8no}]}) mknodat$loop(r0, &(0x7f0000000000)='./file0\x00', 0x100, 0x0) [ 780.948589][T11906] loop2: detected capacity change from 0 to 4096 18:02:10 executing program 0: r0 = dup(0xffffffffffffffff) write$6lowpan_enable(r0, &(0x7f0000000000)='0', 0xfffffd2c) r1 = socket$inet6_sctp(0xa, 0x5, 0x84) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r1, 0x84, 0x9, &(0x7f0000000580)={0x0, @in={{0x2, 0x0, @empty}}, 0x0, 0x0, 0x3fc, 0x0, 0x32}, 0x9c) bind$packet(0xffffffffffffffff, &(0x7f0000000140)={0x11, 0xf0, 0x0, 0x1, 0x0, 0x6, @multicast}, 0x14) sendto$inet6(r1, &(0x7f0000847fff)='X', 0x1, 0x0, 0x0, 0x0) [ 780.990468][T11908] loop5: detected capacity change from 0 to 4096 18:02:11 executing program 2: ioctl$SNDRV_CTL_IOCTL_RAWMIDI_NEXT_DEVICE(0xffffffffffffffff, 0xc1205531, 0xfffffffffffffffc) syz_genetlink_get_family_id$devlink(0x0, 0xffffffffffffffff) r0 = syz_mount_image$vfat(&(0x7f0000000900), &(0x7f0000000940)='./file0\x00', 0x200007, 0x1, &(0x7f0000000700)=[{&(0x7f0000000000)="eb3c906d8d6673fdd2617400028001000240000004f801", 0x17}], 0x800440, &(0x7f00000004c0)={[{@shortname_winnt}, {@fat=@gid}, {@iocharset={'iocharset', 0x3d, 'cp866'}}, {@fat=@fmask={'fmask', 0x3d, 0x1ff}}, {@rodir}, {@fat=@errors_remount}, {@shortname_win95}, {@uni_xlate}, {@uni_xlateno}, {@utf8}, {@uni_xlate}, {@utf8no}]}) mknodat$loop(r0, &(0x7f0000000000)='./file0\x00', 0x100, 0x0) 18:02:11 executing program 5: r0 = syz_mount_image$vfat(&(0x7f0000000900), &(0x7f0000000940)='./file0\x00', 0x200007, 0x1, &(0x7f0000000700)=[{}], 0x800440, &(0x7f00000004c0)={[{@shortname_winnt}, {@fat=@gid}, {@iocharset={'iocharset', 0x3d, 'cp866'}}, {@fat=@fmask={'fmask', 0x3d, 0x1ff}}, {@rodir}, {@fat=@errors_remount}, {@shortname_win95}, {@uni_xlate}, {@uni_xlateno}, {@utf8}, {@uni_xlate}, {@utf8no}]}) ioctl$FAT_IOCTL_SET_ATTRIBUTES(r0, 0x40047211, &(0x7f0000000000)=0x8) [ 781.487289][T11918] loop5: detected capacity change from 0 to 4096 [ 781.507111][T11918] FAT-fs (loop5): bogus number of reserved sectors [ 781.507210][T11917] loop2: detected capacity change from 0 to 4096 [ 781.513754][T11918] FAT-fs (loop5): Can't find a valid FAT filesystem 18:02:11 executing program 3: prctl$PR_SCHED_CORE(0x3e, 0x1, 0x0, 0x2, 0x0) r0 = syz_open_dev$sndmidi(&(0x7f0000000040), 0x2, 0x141101) r1 = dup(r0) write$6lowpan_enable(r1, &(0x7f0000000000)='0', 0xfffffd2c) r2 = getpid() tkill(r2, 0x0) syz_open_procfs(r2, &(0x7f0000000080)='net/dev\x00') r3 = socket$inet6_sctp(0xa, 0x5, 0x84) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r3, 0x84, 0x9, &(0x7f0000000580)={0x0, @in={{0x2, 0x0, @empty}}, 0x0, 0x0, 0x3fc, 0x0, 0x32}, 0x9c) bind$inet6(r3, &(0x7f00004b8fe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) sendmsg$BATADV_CMD_GET_BLA_BACKBONE(0xffffffffffffffff, &(0x7f0000000240)={&(0x7f00000003c0)={0x10, 0x0, 0x0, 0x40000000}, 0xc, &(0x7f0000000580)={&(0x7f0000000ac0)=ANY=[@ANYBLOB="75b9609d35b13765f535640b1647adc8d4528d7dcb5ecd49ae55d43d3b97ecb1655aa6d8fee6b424e0505947a242cbd17bb07e95b202fc3c205cdbe6a8f96871306ae8b68ac958053ac4db38ca0dc66bbffd0930941f68eeb164059f458da7acaa5be83249f1180500a3884f69053123e3ce572b9b117c90fe0a17097d317242", @ANYRES32, @ANYRES64, @ANYRESOCT, @ANYBLOB="08003c0000080000ffa459f4d55ea7e660d27ca685e5ff2d0008000000080006003a47559364f7aad7844855eeb6e6d7b1e57d788f8dbacc87d90731e061160ba4f8e213ac52941d846cf53ab15299b9743f8bb0e6ea7725942d910a", @ANYRES16, @ANYRESOCT], 0x54}, 0x1, 0x0, 0x0, 0x4041}, 0x0) r4 = syz_mount_image$vfat(&(0x7f0000000900), &(0x7f0000000940)='./file0\x00', 0x200007, 0x3, &(0x7f0000000700)=[{&(0x7f0000000000)="eb3c906d8d6673fdd2617400028001000240000004f801", 0x17}, {&(0x7f0000001440)="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", 0x144, 0x601}, {0x0, 0x0, 0x5}], 0x800440, &(0x7f00000004c0)={[{@shortname_winnt}, {@fat=@gid}, {@iocharset={'iocharset', 0x3d, 'cp866'}}, {@fat=@fmask={'fmask', 0x3d, 0x1ff}}, {@rodir}, {@fat=@errors_remount}, {@shortname_win95}, {@uni_xlate}, {@uni_xlateno}, {@utf8}, {@uni_xlate}, {@utf8no}]}) sendmsg$IPSET_CMD_DEL(0xffffffffffffffff, &(0x7f0000000a80)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x200}, 0xc, &(0x7f0000000400)={&(0x7f00000008c0)=ANY=[@ANYRES64], 0x60}, 0x1, 0x0, 0x0, 0x8840}, 0x4040050) sendmsg$nl_route(0xffffffffffffffff, &(0x7f0000000980)={&(0x7f0000000440)={0x10, 0x0, 0x0, 0x10000000}, 0xc, &(0x7f0000000740)={&(0x7f0000000d00)=ANY=[@ANYBLOB="86f2407d8a204caf80b640e69a13fefeff6f0000042ba98cfcfccd470037369314427ebd70000000000000000000000000000000cdfb0fa21b95f8072c528f2858315775d7552e", @ANYRES32=0x0, @ANYBLOB="0c943d0559ff0600ff0000000c00018005000600c0000000100001800c00a03a03462081c7fc75d9ffffbf", @ANYRESDEC=r4, @ANYRES64], 0x40}, 0x1, 0x0, 0x0, 0x4008000}, 0x44040) sendmsg$DEVLINK_CMD_TRAP_POLICER_GET(0xffffffffffffffff, &(0x7f0000000780)={&(0x7f0000000480)={0x10, 0x0, 0x0, 0x1000}, 0xc, &(0x7f0000000680)={&(0x7f0000000f40)=ANY=[@ANYBLOB="dd82fa64e3415dc226d3ac622a8239db19850e5d1f97ad157d6e4d3b4b1eb09bbca07c99827fb7c132f6ded2b0753747f344067fa51608045c50c82cae8b9d8c5f9f", @ANYRESHEX, @ANYBLOB="000129bd7000fcdbdf35450900000001006e657464657673696d0000000f0002006e65746465ffffffffffffffff008e0001000000080029210ffe70f74135c6c84e95f601007063690011000200303030303a300008008e0000000000080001007063690011000200303030303a30303a31302e300000000408001700a1a628523064156e9f9c48c438c3489ada27a5332186e0618640bae922d4a91285d89e0cf8a2ec5e1bd9978ab6f6864f227aefb818605bb5faa903f2e69df3d3f06c95224bfd42e23b13a9b0ecf7e26eec4ccacef0f496c155b78af42fc33ec2a7e500"/233, @ANYRES16=r4, @ANYRESDEC, @ANYRESOCT, @ANYRES8], 0x84}, 0x1, 0x0, 0x0, 0x85}, 0x40000) sendmsg$nl_route(0xffffffffffffffff, &(0x7f0000000a00)={&(0x7f00000007c0)={0x10, 0x0, 0x0, 0x200000}, 0xc, &(0x7f0000000880)={&(0x7f0000000c00)=ANY=[@ANYBLOB="240000499a000400d7cfb9710f73c673000700ac1e0011000000000000000000000000005a381ff052b251", @ANYRES16, @ANYRESDEC, @ANYRES16, @ANYRES16, @ANYRESOCT], 0x24}, 0x1, 0x0, 0x0, 0x4044080}, 0x8080) bind$packet(0xffffffffffffffff, &(0x7f0000000140)={0x11, 0xf0, 0x0, 0x1, 0x0, 0x6, @multicast}, 0x14) socketpair(0x23, 0x6, 0x40, &(0x7f00000000c0)) sendto$inet6(r3, &(0x7f0000847fff)='X', 0x34000, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) 18:02:11 executing program 0: r0 = dup(0xffffffffffffffff) write$6lowpan_enable(r0, &(0x7f0000000000)='0', 0xfffffd2c) r1 = socket$inet6_sctp(0xa, 0x5, 0x84) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r1, 0x84, 0x9, &(0x7f0000000580)={0x0, @in={{0x2, 0x0, @empty}}, 0x0, 0x0, 0x3fc, 0x0, 0x32}, 0x9c) bind$packet(0xffffffffffffffff, &(0x7f0000000140)={0x11, 0xf0, 0x0, 0x1, 0x0, 0x6, @multicast}, 0x14) sendto$inet6(r1, &(0x7f0000847fff)='X', 0x34000, 0x0, &(0x7f000005ffe4)={0xa, 0x0, 0x0, @loopback}, 0x1c) 18:02:11 executing program 1: prctl$PR_SCHED_CORE(0x3e, 0x1, 0x0, 0x2, 0x0) r0 = syz_open_dev$sndmidi(&(0x7f0000000040), 0x2, 0x141101) r1 = dup(r0) write$6lowpan_enable(r1, &(0x7f0000000000)='0', 0xfffffd2c) syz_open_procfs(0x0, &(0x7f0000000080)='net/dev\x00') r2 = socket$inet6_sctp(0xa, 0x5, 0x84) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r2, 0x84, 0x9, &(0x7f0000000580)={0x0, @in={{0x2, 0x0, @empty}}, 0x0, 0x0, 0x3fc, 0x0, 0x32}, 0x9c) bind$packet(0xffffffffffffffff, &(0x7f0000000140)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @multicast}, 0x14) sendto$inet6(r2, 0x0, 0x0, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) 18:02:11 executing program 4: ioctl$SNDRV_CTL_IOCTL_RAWMIDI_NEXT_DEVICE(0xffffffffffffffff, 0xc1205531, 0xfffffffffffffffc) syz_genetlink_get_family_id$devlink(0x0, 0xffffffffffffffff) r0 = syz_mount_image$vfat(&(0x7f0000000900), &(0x7f0000000940)='./file0\x00', 0x200007, 0x2, &(0x7f0000000700)=[{&(0x7f0000000000)="eb3c906d8d6673fdd2617400028001000240000004f801", 0x17}, {&(0x7f0000001440)="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", 0x144, 0x601}], 0x800440, &(0x7f00000004c0)={[{@shortname_winnt}, {@fat=@gid}, {@iocharset={'iocharset', 0x3d, 'cp866'}}, {@fat=@fmask={'fmask', 0x3d, 0x1ff}}, {@rodir}, {@fat=@errors_remount}, {@shortname_win95}, {@uni_xlate}, {@uni_xlateno}, {@utf8}, {@uni_xlate}, {@utf8no}]}) mknodat$loop(r0, &(0x7f0000000000)='./file0\x00', 0x100, 0x0) 18:02:11 executing program 5: prctl$PR_SCHED_CORE(0x3e, 0x1, 0x0, 0x2, 0x0) r0 = syz_open_dev$sndmidi(&(0x7f0000000040), 0x2, 0x141101) r1 = dup(r0) write$6lowpan_enable(r1, &(0x7f0000000000)='0', 0xfffffd2c) r2 = getpid() tkill(r2, 0x0) syz_open_procfs(r2, &(0x7f0000000080)='net/dev\x00') r3 = socket$inet6_sctp(0xa, 0x5, 0x84) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r3, 0x84, 0x9, &(0x7f0000000580)={0x0, @in={{0x2, 0x0, @empty}}, 0x0, 0x0, 0x3fc, 0x0, 0x32}, 0x9c) bind$inet6(r3, &(0x7f00004b8fe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) sendmsg$BATADV_CMD_GET_BLA_BACKBONE(0xffffffffffffffff, &(0x7f0000000240)={&(0x7f00000003c0)={0x10, 0x0, 0x0, 0x40000000}, 0xc, &(0x7f0000000580)={&(0x7f0000000ac0)=ANY=[@ANYBLOB="75b9609d35b13765f535640b1647adc8d4528d7dcb5ecd49ae55d43d3b97ecb1655aa6d8fee6b424e0505947a242cbd17bb07e95b202fc3c205cdbe6a8f96871306ae8b68ac958053ac4db38ca0dc66bbffd0930941f68eeb164059f458da7acaa5be83249f1180500a3884f69053123e3ce572b9b117c90fe0a17097d317242", @ANYRES32, @ANYRES64, @ANYRESOCT, @ANYBLOB="08003c0000080000ffa459f4d55ea7e660d27ca685e5ff2d0008000000080006003a47559364f7aad7844855eeb6e6d7b1e57d788f8dbacc87d90731e061160ba4f8e213ac52941d846cf53ab15299b9743f8bb0e6ea7725942d910a", @ANYRES16, @ANYRESOCT], 0x54}, 0x1, 0x0, 0x0, 0x4041}, 0x0) r4 = syz_mount_image$vfat(&(0x7f0000000900), &(0x7f0000000940)='./file0\x00', 0x200007, 0x3, &(0x7f0000000700)=[{&(0x7f0000000000)="eb3c906d8d6673fdd2617400028001000240000004f801", 0x17}, {&(0x7f0000001440)="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", 0x144, 0x601}, {0x0, 0x0, 0x5}], 0x800440, &(0x7f00000004c0)={[{@shortname_winnt}, {@fat=@gid}, {@iocharset={'iocharset', 0x3d, 'cp866'}}, {@fat=@fmask={'fmask', 0x3d, 0x1ff}}, {@rodir}, {@fat=@errors_remount}, {@shortname_win95}, {@uni_xlate}, {@uni_xlateno}, {@utf8}, {@uni_xlate}, {@utf8no}]}) sendmsg$IPSET_CMD_DEL(0xffffffffffffffff, &(0x7f0000000a80)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x200}, 0xc, &(0x7f0000000400)={&(0x7f00000008c0)=ANY=[@ANYRES64], 0x60}, 0x1, 0x0, 0x0, 0x8840}, 0x4040050) sendmsg$nl_route(0xffffffffffffffff, &(0x7f0000000980)={&(0x7f0000000440)={0x10, 0x0, 0x0, 0x10000000}, 0xc, &(0x7f0000000740)={&(0x7f0000000d00)=ANY=[@ANYBLOB="86f2407d8a204caf80b640e69a13fefeff6f0000042ba98cfcfccd470037369314427ebd70000000000000000000000000000000cdfb0fa21b95f8072c528f2858315775d7552e", @ANYRES32=0x0, @ANYBLOB="0c943d0559ff0600ff0000000c00018005000600c0000000100001800c00a03a03462081c7fc75d9ffffbf", @ANYRESDEC=r4, @ANYRES64], 0x40}, 0x1, 0x0, 0x0, 0x4008000}, 0x44040) sendmsg$DEVLINK_CMD_TRAP_POLICER_GET(0xffffffffffffffff, &(0x7f0000000780)={&(0x7f0000000480)={0x10, 0x0, 0x0, 0x1000}, 0xc, &(0x7f0000000680)={&(0x7f0000000f40)=ANY=[@ANYBLOB="dd82fa64e3415dc226d3ac622a8239db19850e5d1f97ad157d6e4d3b4b1eb09bbca07c99827fb7c132f6ded2b0753747f344067fa51608045c50c82cae8b9d8c5f9f", @ANYRESHEX, @ANYBLOB="000129bd7000fcdbdf35450900000001006e657464657673696d0000000f0002006e65746465ffffffffffffffff008e0001000000080029210ffe70f74135c6c84e95f601007063690011000200303030303a300008008e0000000000080001007063690011000200303030303a30303a31302e300000000408001700a1a628523064156e9f9c48c438c3489ada27a5332186e0618640bae922d4a91285d89e0cf8a2ec5e1bd9978ab6f6864f227aefb818605bb5faa903f2e69df3d3f06c95224bfd42e23b13a9b0ecf7e26eec4ccacef0f496c155b78af42fc33ec2a7e500"/233, @ANYRES16=r4, @ANYRESDEC, @ANYRESOCT, @ANYRES8], 0x84}, 0x1, 0x0, 0x0, 0x85}, 0x40000) sendmsg$nl_route(0xffffffffffffffff, &(0x7f0000000a00)={&(0x7f00000007c0)={0x10, 0x0, 0x0, 0x200000}, 0xc, &(0x7f0000000880)={&(0x7f0000000c00)=ANY=[@ANYBLOB="240000499a000400d7cfb9710f73c673000700ac1e0011000000000000000000000000005a381ff052b251", @ANYRES16, @ANYRESDEC, @ANYRES16, @ANYRES16, @ANYRESOCT], 0x24}, 0x1, 0x0, 0x0, 0x4044080}, 0x8080) bind$packet(0xffffffffffffffff, &(0x7f0000000140)={0x11, 0xf0, 0x0, 0x1, 0x0, 0x6, @multicast}, 0x14) socketpair(0x23, 0x6, 0x40, &(0x7f00000000c0)) sendto$inet6(r3, &(0x7f0000847fff)='X', 0x34000, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) 18:02:11 executing program 2: prctl$PR_SCHED_CORE(0x3e, 0x1, 0x0, 0x2, 0x0) r0 = syz_open_dev$sndmidi(&(0x7f0000000040), 0x2, 0x141101) r1 = dup(r0) write$6lowpan_enable(r1, &(0x7f0000000000)='0', 0xfffffd2c) r2 = getpid() tkill(r2, 0x0) syz_open_procfs(r2, &(0x7f0000000080)='net/dev\x00') r3 = socket$inet6_sctp(0xa, 0x5, 0x84) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r3, 0x84, 0x9, &(0x7f0000000580)={0x0, @in={{0x2, 0x0, @empty}}, 0x0, 0x0, 0x3fc, 0x0, 0x32}, 0x9c) bind$inet6(r3, &(0x7f00004b8fe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) sendmsg$BATADV_CMD_GET_BLA_BACKBONE(0xffffffffffffffff, &(0x7f0000000240)={&(0x7f00000003c0)={0x10, 0x0, 0x0, 0x40000000}, 0xc, &(0x7f0000000580)={&(0x7f0000000ac0)=ANY=[@ANYBLOB="75b9609d35b13765f535640b1647adc8d4528d7dcb5ecd49ae55d43d3b97ecb1655aa6d8fee6b424e0505947a242cbd17bb07e95b202fc3c205cdbe6a8f96871306ae8b68ac958053ac4db38ca0dc66bbffd0930941f68eeb164059f458da7acaa5be83249f1180500a3884f69053123e3ce572b9b117c90fe0a17097d317242", @ANYRES32, @ANYRES64, @ANYRESOCT, @ANYBLOB="08003c0000080000ffa459f4d55ea7e660d27ca685e5ff2d0008000000080006003a47559364f7aad7844855eeb6e6d7b1e57d788f8dbacc87d90731e061160ba4f8e213ac52941d846cf53ab15299b9743f8bb0e6ea7725942d910a", @ANYRES16, @ANYRESOCT], 0x54}, 0x1, 0x0, 0x0, 0x4041}, 0x0) r4 = syz_mount_image$vfat(&(0x7f0000000900), &(0x7f0000000940)='./file0\x00', 0x200007, 0x3, &(0x7f0000000700)=[{&(0x7f0000000000)="eb3c906d8d6673fdd2617400028001000240000004f801", 0x17}, {&(0x7f0000001440)="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", 0x144, 0x601}, {0x0, 0x0, 0x5}], 0x800440, &(0x7f00000004c0)={[{@shortname_winnt}, {@fat=@gid}, {@iocharset={'iocharset', 0x3d, 'cp866'}}, {@fat=@fmask={'fmask', 0x3d, 0x1ff}}, {@rodir}, {@fat=@errors_remount}, {@shortname_win95}, {@uni_xlate}, {@uni_xlateno}, {@utf8}, {@uni_xlate}, {@utf8no}]}) sendmsg$IPSET_CMD_DEL(0xffffffffffffffff, &(0x7f0000000a80)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x200}, 0xc, &(0x7f0000000400)={&(0x7f00000008c0)=ANY=[@ANYRES64], 0x60}, 0x1, 0x0, 0x0, 0x8840}, 0x4040050) sendmsg$nl_route(0xffffffffffffffff, &(0x7f0000000980)={&(0x7f0000000440)={0x10, 0x0, 0x0, 0x10000000}, 0xc, &(0x7f0000000740)={&(0x7f0000000d00)=ANY=[@ANYBLOB="86f2407d8a204caf80b640e69a13fefeff6f0000042ba98cfcfccd470037369314427ebd70000000000000000000000000000000cdfb0fa21b95f8072c528f2858315775d7552e", @ANYRES32=0x0, @ANYBLOB="0c943d0559ff0600ff0000000c00018005000600c0000000100001800c00a03a03462081c7fc75d9ffffbf", @ANYRESDEC=r4, @ANYRES64], 0x40}, 0x1, 0x0, 0x0, 0x4008000}, 0x44040) sendmsg$DEVLINK_CMD_TRAP_POLICER_GET(0xffffffffffffffff, &(0x7f0000000780)={&(0x7f0000000480)={0x10, 0x0, 0x0, 0x1000}, 0xc, &(0x7f0000000680)={&(0x7f0000000f40)=ANY=[@ANYBLOB="dd82fa64e3415dc226d3ac622a8239db19850e5d1f97ad157d6e4d3b4b1eb09bbca07c99827fb7c132f6ded2b0753747f344067fa51608045c50c82cae8b9d8c5f9f", @ANYRESHEX, @ANYBLOB="000129bd7000fcdbdf35450900000001006e657464657673696d0000000f0002006e65746465ffffffffffffffff008e0001000000080029210ffe70f74135c6c84e95f601007063690011000200303030303a300008008e0000000000080001007063690011000200303030303a30303a31302e300000000408001700a1a628523064156e9f9c48c438c3489ada27a5332186e0618640bae922d4a91285d89e0cf8a2ec5e1bd9978ab6f6864f227aefb818605bb5faa903f2e69df3d3f06c95224bfd42e23b13a9b0ecf7e26eec4ccacef0f496c155b78af42fc33ec2a7e500"/233, @ANYRES16=r4, @ANYRESDEC, @ANYRESOCT, @ANYRES8], 0x84}, 0x1, 0x0, 0x0, 0x85}, 0x40000) sendmsg$nl_route(0xffffffffffffffff, &(0x7f0000000a00)={&(0x7f00000007c0)={0x10, 0x0, 0x0, 0x200000}, 0xc, &(0x7f0000000880)={&(0x7f0000000c00)=ANY=[@ANYBLOB="240000499a000400d7cfb9710f73c673000700ac1e0011000000000000000000000000005a381ff052b251", @ANYRES16, @ANYRESDEC, @ANYRES16, @ANYRES16, @ANYRESOCT], 0x24}, 0x1, 0x0, 0x0, 0x4044080}, 0x8080) bind$packet(0xffffffffffffffff, &(0x7f0000000140)={0x11, 0xf0, 0x0, 0x1, 0x0, 0x6, @multicast}, 0x14) socketpair(0x23, 0x6, 0x40, &(0x7f00000000c0)) sendto$inet6(r3, &(0x7f0000847fff)='X', 0x34000, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) 18:02:11 executing program 0: r0 = dup(0xffffffffffffffff) write$6lowpan_enable(r0, &(0x7f0000000000)='0', 0xfffffd2c) r1 = socket$inet6_sctp(0xa, 0x5, 0x84) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r1, 0x84, 0x9, &(0x7f0000000580)={0x0, @in={{0x2, 0x0, @empty}}, 0x0, 0x0, 0x3fc, 0x0, 0x32}, 0x9c) bind$packet(0xffffffffffffffff, &(0x7f0000000140)={0x11, 0xf0, 0x0, 0x1, 0x0, 0x6, @multicast}, 0x14) sendto$inet6(r1, &(0x7f0000847fff)='X', 0x34000, 0x0, &(0x7f000005ffe4)={0xa, 0x0, 0x0, @loopback}, 0x1c) [ 781.812897][T11930] loop4: detected capacity change from 0 to 4096 [ 781.831077][T11931] loop5: detected capacity change from 0 to 4096 18:02:11 executing program 4: prctl$PR_SCHED_CORE(0x3e, 0x1, 0x0, 0x2, 0x0) r0 = syz_open_dev$sndmidi(&(0x7f0000000040), 0x2, 0x141101) r1 = dup(r0) write$6lowpan_enable(r1, &(0x7f0000000000)='0', 0xfffffd2c) r2 = getpid() tkill(r2, 0x0) syz_open_procfs(r2, &(0x7f0000000080)='net/dev\x00') r3 = socket$inet6_sctp(0xa, 0x5, 0x84) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r3, 0x84, 0x9, &(0x7f0000000580)={0x0, @in={{0x2, 0x0, @empty}}, 0x0, 0x0, 0x3fc, 0x0, 0x32}, 0x9c) bind$inet6(r3, &(0x7f00004b8fe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) sendmsg$BATADV_CMD_GET_BLA_BACKBONE(0xffffffffffffffff, &(0x7f0000000240)={&(0x7f00000003c0)={0x10, 0x0, 0x0, 0x40000000}, 0xc, &(0x7f0000000580)={&(0x7f0000000ac0)=ANY=[@ANYBLOB="75b9609d35b13765f535640b1647adc8d4528d7dcb5ecd49ae55d43d3b97ecb1655aa6d8fee6b424e0505947a242cbd17bb07e95b202fc3c205cdbe6a8f96871306ae8b68ac958053ac4db38ca0dc66bbffd0930941f68eeb164059f458da7acaa5be83249f1180500a3884f69053123e3ce572b9b117c90fe0a17097d317242", @ANYRES32, @ANYRES64, @ANYRESOCT, @ANYBLOB="08003c0000080000ffa459f4d55ea7e660d27ca685e5ff2d0008000000080006003a47559364f7aad7844855eeb6e6d7b1e57d788f8dbacc87d90731e061160ba4f8e213ac52941d846cf53ab15299b9743f8bb0e6ea7725942d910a", @ANYRES16, @ANYRESOCT], 0x54}, 0x1, 0x0, 0x0, 0x4041}, 0x0) r4 = syz_mount_image$vfat(&(0x7f0000000900), &(0x7f0000000940)='./file0\x00', 0x200007, 0x3, &(0x7f0000000700)=[{&(0x7f0000000000)="eb3c906d8d6673fdd2617400028001000240000004f801", 0x17}, {&(0x7f0000001440)="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", 0x144, 0x601}, {0x0, 0x0, 0x5}], 0x800440, &(0x7f00000004c0)={[{@shortname_winnt}, {@fat=@gid}, {@iocharset={'iocharset', 0x3d, 'cp866'}}, {@fat=@fmask={'fmask', 0x3d, 0x1ff}}, {@rodir}, {@fat=@errors_remount}, {@shortname_win95}, {@uni_xlate}, {@uni_xlateno}, {@utf8}, {@uni_xlate}, {@utf8no}]}) sendmsg$IPSET_CMD_DEL(0xffffffffffffffff, &(0x7f0000000a80)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x200}, 0xc, &(0x7f0000000400)={&(0x7f00000008c0)=ANY=[@ANYRES64], 0x60}, 0x1, 0x0, 0x0, 0x8840}, 0x4040050) sendmsg$nl_route(0xffffffffffffffff, &(0x7f0000000980)={&(0x7f0000000440)={0x10, 0x0, 0x0, 0x10000000}, 0xc, &(0x7f0000000740)={&(0x7f0000000d00)=ANY=[@ANYBLOB="86f2407d8a204caf80b640e69a13fefeff6f0000042ba98cfcfccd470037369314427ebd70000000000000000000000000000000cdfb0fa21b95f8072c528f2858315775d7552e", @ANYRES32=0x0, @ANYBLOB="0c943d0559ff0600ff0000000c00018005000600c0000000100001800c00a03a03462081c7fc75d9ffffbf", @ANYRESDEC=r4, @ANYRES64], 0x40}, 0x1, 0x0, 0x0, 0x4008000}, 0x44040) sendmsg$DEVLINK_CMD_TRAP_POLICER_GET(0xffffffffffffffff, &(0x7f0000000780)={&(0x7f0000000480)={0x10, 0x0, 0x0, 0x1000}, 0xc, &(0x7f0000000680)={&(0x7f0000000f40)=ANY=[@ANYBLOB="dd82fa64e3415dc226d3ac622a8239db19850e5d1f97ad157d6e4d3b4b1eb09bbca07c99827fb7c132f6ded2b0753747f344067fa51608045c50c82cae8b9d8c5f9f", @ANYRESHEX, @ANYBLOB="000129bd7000fcdbdf35450900000001006e657464657673696d0000000f0002006e65746465ffffffffffffffff008e0001000000080029210ffe70f74135c6c84e95f601007063690011000200303030303a300008008e0000000000080001007063690011000200303030303a30303a31302e300000000408001700a1a628523064156e9f9c48c438c3489ada27a5332186e0618640bae922d4a91285d89e0cf8a2ec5e1bd9978ab6f6864f227aefb818605bb5faa903f2e69df3d3f06c95224bfd42e23b13a9b0ecf7e26eec4ccacef0f496c155b78af42fc33ec2a7e500"/233, @ANYRES16=r4, @ANYRESDEC, @ANYRESOCT, @ANYRES8], 0x84}, 0x1, 0x0, 0x0, 0x85}, 0x40000) sendmsg$nl_route(0xffffffffffffffff, &(0x7f0000000a00)={&(0x7f00000007c0)={0x10, 0x0, 0x0, 0x200000}, 0xc, &(0x7f0000000880)={&(0x7f0000000c00)=ANY=[@ANYBLOB="240000499a000400d7cfb9710f73c673000700ac1e0011000000000000000000000000005a381ff052b251", @ANYRES16, @ANYRESDEC, @ANYRES16, @ANYRES16, @ANYRESOCT], 0x24}, 0x1, 0x0, 0x0, 0x4044080}, 0x8080) bind$packet(0xffffffffffffffff, &(0x7f0000000140)={0x11, 0xf0, 0x0, 0x1, 0x0, 0x6, @multicast}, 0x14) socketpair(0x23, 0x6, 0x40, &(0x7f00000000c0)) sendto$inet6(r3, &(0x7f0000847fff)='X', 0x34000, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) [ 781.859745][T11932] loop2: detected capacity change from 0 to 4096 [ 782.030027][T11943] loop3: detected capacity change from 0 to 4096 18:02:12 executing program 0: prctl$PR_SCHED_CORE(0x3e, 0x1, 0x0, 0x2, 0x0) r0 = syz_open_dev$sndmidi(&(0x7f0000000040), 0x2, 0x141101) r1 = dup(r0) write$6lowpan_enable(r1, &(0x7f0000000000)='0', 0xfffffd2c) r2 = getpid() tkill(r2, 0x0) syz_open_procfs(r2, &(0x7f0000000080)='net/dev\x00') r3 = socket$inet6_sctp(0xa, 0x5, 0x84) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r3, 0x84, 0x9, &(0x7f0000000580)={0x0, @in={{0x2, 0x0, @empty}}, 0x0, 0x0, 0x3fc, 0x0, 0x32}, 0x9c) bind$inet6(r3, &(0x7f00004b8fe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) sendmsg$BATADV_CMD_GET_BLA_BACKBONE(0xffffffffffffffff, &(0x7f0000000240)={&(0x7f00000003c0)={0x10, 0x0, 0x0, 0x40000000}, 0xc, &(0x7f0000000580)={&(0x7f0000000ac0)=ANY=[@ANYBLOB="75b9609d35b13765f535640b1647adc8d4528d7dcb5ecd49ae55d43d3b97ecb1655aa6d8fee6b424e0505947a242cbd17bb07e95b202fc3c205cdbe6a8f96871306ae8b68ac958053ac4db38ca0dc66bbffd0930941f68eeb164059f458da7acaa5be83249f1180500a3884f69053123e3ce572b9b117c90fe0a17097d317242", @ANYRES32, @ANYRES64, @ANYRESOCT, @ANYBLOB="08003c0000080000ffa459f4d55ea7e660d27ca685e5ff2d0008000000080006003a47559364f7aad7844855eeb6e6d7b1e57d788f8dbacc87d90731e061160ba4f8e213ac52941d846cf53ab15299b9743f8bb0e6ea7725942d910a", @ANYRES16, @ANYRESOCT], 0x54}, 0x1, 0x0, 0x0, 0x4041}, 0x0) r4 = syz_mount_image$vfat(&(0x7f0000000900), &(0x7f0000000940)='./file0\x00', 0x200007, 0x3, &(0x7f0000000700)=[{&(0x7f0000000000)="eb3c906d8d6673fdd2617400028001000240000004f801", 0x17}, {&(0x7f0000001440)="57595a4b414c4c45522020085ac19f69b8f2b2b1ea1b86fe96df5eed1df1df001cc2de850f1fff00000000000000005effac2ac4c15e29fb3c18edfff8d198e312475ffa1d000000000000ad25822a17b17f463e104179c19c2a000000000000000031ddc0777df2ec4f62826086704d703da32c57364aed74cd748a178abcaf1180ad796d06c19dbfeab6d3ed941a1cacccf272186cd3ca10ff022a10965e82db34eb6d694a58a9989a416b163d4c4bc298081185914835b501f8a68095f4971f6ce1898a89338c7c085e24c6593256f2fc4816ce2f4ae05785f0098163b801f28941f7d343ae0400742251c5e613ce9f4ad9c503ee759c7f55cb947f59ac5de9570000000000002ea02a000082000000000000000000874b195ee473f8b2658fd172f402cab0e5937d227c0000000000000002385a2452e4b6f7b064f3fa05d359694f", 0x144, 0x601}, {0x0, 0x0, 0x5}], 0x800440, &(0x7f00000004c0)={[{@shortname_winnt}, {@fat=@gid}, {@iocharset={'iocharset', 0x3d, 'cp866'}}, {@fat=@fmask={'fmask', 0x3d, 0x1ff}}, {@rodir}, {@fat=@errors_remount}, {@shortname_win95}, {@uni_xlate}, {@uni_xlateno}, {@utf8}, {@uni_xlate}, {@utf8no}]}) sendmsg$IPSET_CMD_DEL(0xffffffffffffffff, &(0x7f0000000a80)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x200}, 0xc, &(0x7f0000000400)={&(0x7f00000008c0)=ANY=[@ANYRES64], 0x60}, 0x1, 0x0, 0x0, 0x8840}, 0x4040050) sendmsg$nl_route(0xffffffffffffffff, &(0x7f0000000980)={&(0x7f0000000440)={0x10, 0x0, 0x0, 0x10000000}, 0xc, &(0x7f0000000740)={&(0x7f0000000d00)=ANY=[@ANYBLOB="86f2407d8a204caf80b640e69a13fefeff6f0000042ba98cfcfccd470037369314427ebd70000000000000000000000000000000cdfb0fa21b95f8072c528f2858315775d7552e", @ANYRES32=0x0, @ANYBLOB="0c943d0559ff0600ff0000000c00018005000600c0000000100001800c00a03a03462081c7fc75d9ffffbf", @ANYRESDEC=r4, @ANYRES64], 0x40}, 0x1, 0x0, 0x0, 0x4008000}, 0x44040) sendmsg$DEVLINK_CMD_TRAP_POLICER_GET(0xffffffffffffffff, &(0x7f0000000780)={&(0x7f0000000480)={0x10, 0x0, 0x0, 0x1000}, 0xc, &(0x7f0000000680)={&(0x7f0000000f40)=ANY=[@ANYBLOB="dd82fa64e3415dc226d3ac622a8239db19850e5d1f97ad157d6e4d3b4b1eb09bbca07c99827fb7c132f6ded2b0753747f344067fa51608045c50c82cae8b9d8c5f9f", @ANYRESHEX, @ANYBLOB="000129bd7000fcdbdf35450900000001006e657464657673696d0000000f0002006e65746465ffffffffffffffff008e0001000000080029210ffe70f74135c6c84e95f601007063690011000200303030303a300008008e0000000000080001007063690011000200303030303a30303a31302e300000000408001700a1a628523064156e9f9c48c438c3489ada27a5332186e0618640bae922d4a91285d89e0cf8a2ec5e1bd9978ab6f6864f227aefb818605bb5faa903f2e69df3d3f06c95224bfd42e23b13a9b0ecf7e26eec4ccacef0f496c155b78af42fc33ec2a7e500"/233, @ANYRES16=r4, @ANYRESDEC, @ANYRESOCT, @ANYRES8], 0x84}, 0x1, 0x0, 0x0, 0x85}, 0x40000) sendmsg$nl_route(0xffffffffffffffff, &(0x7f0000000a00)={&(0x7f00000007c0)={0x10, 0x0, 0x0, 0x200000}, 0xc, &(0x7f0000000880)={&(0x7f0000000c00)=ANY=[@ANYBLOB="240000499a000400d7cfb9710f73c673000700ac1e0011000000000000000000000000005a381ff052b251", @ANYRES16, @ANYRESDEC, @ANYRES16, @ANYRES16, @ANYRESOCT], 0x24}, 0x1, 0x0, 0x0, 0x4044080}, 0x8080) bind$packet(0xffffffffffffffff, &(0x7f0000000140)={0x11, 0xf0, 0x0, 0x1, 0x0, 0x6, @multicast}, 0x14) socketpair(0x23, 0x6, 0x40, &(0x7f00000000c0)) sendto$inet6(r3, &(0x7f0000847fff)='X', 0x34000, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) [ 782.247746][T11942] loop4: detected capacity change from 0 to 4096 18:02:12 executing program 1: prctl$PR_SCHED_CORE(0x3e, 0x1, 0x0, 0x2, 0x0) r0 = syz_open_dev$sndmidi(&(0x7f0000000040), 0x2, 0x141101) r1 = dup(r0) write$6lowpan_enable(r1, &(0x7f0000000000)='0', 0xfffffd2c) syz_open_procfs(0x0, &(0x7f0000000080)='net/dev\x00') r2 = socket$inet6_sctp(0xa, 0x5, 0x84) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r2, 0x84, 0x9, &(0x7f0000000580)={0x0, @in={{0x2, 0x0, @empty}}, 0x0, 0x0, 0x3fc, 0x0, 0x32}, 0x9c) bind$packet(0xffffffffffffffff, &(0x7f0000000140)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @multicast}, 0x14) sendto$inet6(r2, &(0x7f0000847fff), 0x0, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) 18:02:13 executing program 5: prctl$PR_SCHED_CORE(0x3e, 0x1, 0x0, 0x2, 0x0) r0 = syz_open_dev$sndmidi(&(0x7f0000000040), 0x2, 0x141101) r1 = dup(r0) write$6lowpan_enable(r1, &(0x7f0000000000)='0', 0xfffffd2c) r2 = getpid() tkill(r2, 0x0) syz_open_procfs(r2, &(0x7f0000000080)='net/dev\x00') r3 = socket$inet6_sctp(0xa, 0x5, 0x84) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r3, 0x84, 0x9, &(0x7f0000000580)={0x0, @in={{0x2, 0x0, @empty}}, 0x0, 0x0, 0x3fc, 0x0, 0x32}, 0x9c) bind$inet6(r3, &(0x7f00004b8fe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) sendmsg$BATADV_CMD_GET_BLA_BACKBONE(0xffffffffffffffff, &(0x7f0000000240)={&(0x7f00000003c0)={0x10, 0x0, 0x0, 0x40000000}, 0xc, &(0x7f0000000580)={&(0x7f0000000ac0)=ANY=[@ANYBLOB="75b9609d35b13765f535640b1647adc8d4528d7dcb5ecd49ae55d43d3b97ecb1655aa6d8fee6b424e0505947a242cbd17bb07e95b202fc3c205cdbe6a8f96871306ae8b68ac958053ac4db38ca0dc66bbffd0930941f68eeb164059f458da7acaa5be83249f1180500a3884f69053123e3ce572b9b117c90fe0a17097d317242", @ANYRES32, @ANYRES64, @ANYRESOCT, @ANYBLOB="08003c0000080000ffa459f4d55ea7e660d27ca685e5ff2d0008000000080006003a47559364f7aad7844855eeb6e6d7b1e57d788f8dbacc87d90731e061160ba4f8e213ac52941d846cf53ab15299b9743f8bb0e6ea7725942d910a", @ANYRES16, @ANYRESOCT], 0x54}, 0x1, 0x0, 0x0, 0x4041}, 0x0) r4 = syz_mount_image$vfat(&(0x7f0000000900), &(0x7f0000000940)='./file0\x00', 0x200007, 0x3, &(0x7f0000000700)=[{&(0x7f0000000000)="eb3c906d8d6673fdd2617400028001000240000004f801", 0x17}, {&(0x7f0000001440)="57595a4b414c4c45522020085ac19f69b8f2b2b1ea1b86fe96df5eed1df1df001cc2de850f1fff00000000000000005effac2ac4c15e29fb3c18edfff8d198e312475ffa1d000000000000ad25822a17b17f463e104179c19c2a000000000000000031ddc0777df2ec4f62826086704d703da32c57364aed74cd748a178abcaf1180ad796d06c19dbfeab6d3ed941a1cacccf272186cd3ca10ff022a10965e82db34eb6d694a58a9989a416b163d4c4bc298081185914835b501f8a68095f4971f6ce1898a89338c7c085e24c6593256f2fc4816ce2f4ae05785f0098163b801f28941f7d343ae0400742251c5e613ce9f4ad9c503ee759c7f55cb947f59ac5de9570000000000002ea02a000082000000000000000000874b195ee473f8b2658fd172f402cab0e5937d227c0000000000000002385a2452e4b6f7b064f3fa05d359694f", 0x144, 0x601}, {0x0, 0x0, 0x5}], 0x800440, &(0x7f00000004c0)={[{@shortname_winnt}, {@fat=@gid}, {@iocharset={'iocharset', 0x3d, 'cp866'}}, {@fat=@fmask={'fmask', 0x3d, 0x1ff}}, {@rodir}, {@fat=@errors_remount}, {@shortname_win95}, {@uni_xlate}, {@uni_xlateno}, {@utf8}, {@uni_xlate}, {@utf8no}]}) sendmsg$IPSET_CMD_DEL(0xffffffffffffffff, &(0x7f0000000a80)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x200}, 0xc, &(0x7f0000000400)={&(0x7f00000008c0)=ANY=[@ANYRES64], 0x60}, 0x1, 0x0, 0x0, 0x8840}, 0x4040050) sendmsg$nl_route(0xffffffffffffffff, &(0x7f0000000980)={&(0x7f0000000440)={0x10, 0x0, 0x0, 0x10000000}, 0xc, &(0x7f0000000740)={&(0x7f0000000d00)=ANY=[@ANYBLOB="86f2407d8a204caf80b640e69a13fefeff6f0000042ba98cfcfccd470037369314427ebd70000000000000000000000000000000cdfb0fa21b95f8072c528f2858315775d7552e", @ANYRES32=0x0, @ANYBLOB="0c943d0559ff0600ff0000000c00018005000600c0000000100001800c00a03a03462081c7fc75d9ffffbf", @ANYRESDEC=r4, @ANYRES64], 0x40}, 0x1, 0x0, 0x0, 0x4008000}, 0x44040) sendmsg$DEVLINK_CMD_TRAP_POLICER_GET(0xffffffffffffffff, &(0x7f0000000780)={&(0x7f0000000480)={0x10, 0x0, 0x0, 0x1000}, 0xc, &(0x7f0000000680)={&(0x7f0000000f40)=ANY=[@ANYBLOB="dd82fa64e3415dc226d3ac622a8239db19850e5d1f97ad157d6e4d3b4b1eb09bbca07c99827fb7c132f6ded2b0753747f344067fa51608045c50c82cae8b9d8c5f9f", @ANYRESHEX, @ANYBLOB="000129bd7000fcdbdf35450900000001006e657464657673696d0000000f0002006e65746465ffffffffffffffff008e0001000000080029210ffe70f74135c6c84e95f601007063690011000200303030303a300008008e0000000000080001007063690011000200303030303a30303a31302e300000000408001700a1a628523064156e9f9c48c438c3489ada27a5332186e0618640bae922d4a91285d89e0cf8a2ec5e1bd9978ab6f6864f227aefb818605bb5faa903f2e69df3d3f06c95224bfd42e23b13a9b0ecf7e26eec4ccacef0f496c155b78af42fc33ec2a7e500"/233, @ANYRES16=r4, @ANYRESDEC, @ANYRESOCT, @ANYRES8], 0x84}, 0x1, 0x0, 0x0, 0x85}, 0x40000) sendmsg$nl_route(0xffffffffffffffff, &(0x7f0000000a00)={&(0x7f00000007c0)={0x10, 0x0, 0x0, 0x200000}, 0xc, &(0x7f0000000880)={&(0x7f0000000c00)=ANY=[@ANYBLOB="240000499a000400d7cfb9710f73c673000700ac1e0011000000000000000000000000005a381ff052b251", @ANYRES16, @ANYRESDEC, @ANYRES16, @ANYRES16, @ANYRESOCT], 0x24}, 0x1, 0x0, 0x0, 0x4044080}, 0x8080) bind$packet(0xffffffffffffffff, &(0x7f0000000140)={0x11, 0xf0, 0x0, 0x1, 0x0, 0x6, @multicast}, 0x14) socketpair(0x23, 0x6, 0x40, &(0x7f00000000c0)) sendto$inet6(r3, &(0x7f0000847fff)='X', 0x34000, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) 18:02:13 executing program 2: r0 = syz_mount_image$vfat(&(0x7f0000000900), &(0x7f0000000940)='./file0\x00', 0x200007, 0x1, &(0x7f0000000700)=[{&(0x7f0000000000)="eb3c906d8d6673fdd2617400028001000240000004f801", 0x17}], 0x800440, &(0x7f00000004c0)={[{@shortname_winnt}, {@fat=@gid}, {@iocharset={'iocharset', 0x3d, 'cp866'}}, {@fat=@fmask={'fmask', 0x3d, 0x1ff}}, {@rodir}, {@fat=@errors_remount}, {@shortname_win95}, {@uni_xlate}, {@uni_xlateno}, {@utf8}, {@uni_xlate}, {@utf8no}]}) ioctl$FAT_IOCTL_SET_ATTRIBUTES(r0, 0x40047211, &(0x7f0000000000)=0x8) [ 783.298020][T11961] loop5: detected capacity change from 0 to 4096 18:02:13 executing program 3: r0 = dup(0xffffffffffffffff) write$6lowpan_enable(r0, &(0x7f0000000000)='0', 0xfffffd2c) r1 = socket$inet6_sctp(0xa, 0x5, 0x84) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r1, 0x84, 0x9, &(0x7f0000000580)={0x0, @in={{0x2, 0x0, @empty}}, 0x0, 0x0, 0x3fc, 0x0, 0x32}, 0x9c) bind$packet(0xffffffffffffffff, &(0x7f0000000140)={0x11, 0xf0, 0x0, 0x1, 0x0, 0x6, @multicast}, 0x14) sendto$inet6(r1, &(0x7f0000847fff)='X', 0x34000, 0x0, &(0x7f000005ffe4)={0xa, 0x0, 0x0, @loopback}, 0x1c) (fail_nth: 1) 18:02:13 executing program 0: prctl$PR_SCHED_CORE(0x3e, 0x1, 0x0, 0x2, 0x0) r0 = syz_open_dev$sndmidi(&(0x7f0000000040), 0x2, 0x141101) r1 = dup(r0) write$6lowpan_enable(r1, &(0x7f0000000000)='0', 0xfffffd2c) r2 = getpid() tkill(r2, 0x0) syz_open_procfs(r2, &(0x7f0000000080)='net/dev\x00') r3 = socket$inet6_sctp(0xa, 0x5, 0x84) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r3, 0x84, 0x9, &(0x7f0000000580)={0x0, @in={{0x2, 0x0, @empty}}, 0x0, 0x0, 0x3fc, 0x0, 0x32}, 0x9c) bind$inet6(r3, &(0x7f00004b8fe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) sendmsg$BATADV_CMD_GET_BLA_BACKBONE(0xffffffffffffffff, &(0x7f0000000240)={&(0x7f00000003c0)={0x10, 0x0, 0x0, 0x40000000}, 0xc, &(0x7f0000000580)={&(0x7f0000000ac0)=ANY=[@ANYBLOB="75b9609d35b13765f535640b1647adc8d4528d7dcb5ecd49ae55d43d3b97ecb1655aa6d8fee6b424e0505947a242cbd17bb07e95b202fc3c205cdbe6a8f96871306ae8b68ac958053ac4db38ca0dc66bbffd0930941f68eeb164059f458da7acaa5be83249f1180500a3884f69053123e3ce572b9b117c90fe0a17097d317242", @ANYRES32, @ANYRES64, @ANYRESOCT, @ANYBLOB="08003c0000080000ffa459f4d55ea7e660d27ca685e5ff2d0008000000080006003a47559364f7aad7844855eeb6e6d7b1e57d788f8dbacc87d90731e061160ba4f8e213ac52941d846cf53ab15299b9743f8bb0e6ea7725942d910a", @ANYRES16, @ANYRESOCT], 0x54}, 0x1, 0x0, 0x0, 0x4041}, 0x0) r4 = syz_mount_image$vfat(&(0x7f0000000900), &(0x7f0000000940)='./file0\x00', 0x200007, 0x3, &(0x7f0000000700)=[{&(0x7f0000000000)="eb3c906d8d6673fdd2617400028001000240000004f801", 0x17}, {&(0x7f0000001440)="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", 0x144, 0x601}, {0x0, 0x0, 0x5}], 0x800440, &(0x7f00000004c0)={[{@shortname_winnt}, {@fat=@gid}, {@iocharset={'iocharset', 0x3d, 'cp866'}}, {@fat=@fmask={'fmask', 0x3d, 0x1ff}}, {@rodir}, {@fat=@errors_remount}, {@shortname_win95}, {@uni_xlate}, {@uni_xlateno}, {@utf8}, {@uni_xlate}, {@utf8no}]}) sendmsg$IPSET_CMD_DEL(0xffffffffffffffff, &(0x7f0000000a80)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x200}, 0xc, &(0x7f0000000400)={&(0x7f00000008c0)=ANY=[@ANYRES64], 0x60}, 0x1, 0x0, 0x0, 0x8840}, 0x4040050) sendmsg$nl_route(0xffffffffffffffff, &(0x7f0000000980)={&(0x7f0000000440)={0x10, 0x0, 0x0, 0x10000000}, 0xc, &(0x7f0000000740)={&(0x7f0000000d00)=ANY=[@ANYBLOB="86f2407d8a204caf80b640e69a13fefeff6f0000042ba98cfcfccd470037369314427ebd70000000000000000000000000000000cdfb0fa21b95f8072c528f2858315775d7552e", @ANYRES32=0x0, @ANYBLOB="0c943d0559ff0600ff0000000c00018005000600c0000000100001800c00a03a03462081c7fc75d9ffffbf", @ANYRESDEC=r4, @ANYRES64], 0x40}, 0x1, 0x0, 0x0, 0x4008000}, 0x44040) sendmsg$DEVLINK_CMD_TRAP_POLICER_GET(0xffffffffffffffff, &(0x7f0000000780)={&(0x7f0000000480)={0x10, 0x0, 0x0, 0x1000}, 0xc, &(0x7f0000000680)={&(0x7f0000000f40)=ANY=[@ANYBLOB="dd82fa64e3415dc226d3ac622a8239db19850e5d1f97ad157d6e4d3b4b1eb09bbca07c99827fb7c132f6ded2b0753747f344067fa51608045c50c82cae8b9d8c5f9f", @ANYRESHEX, @ANYBLOB="000129bd7000fcdbdf35450900000001006e657464657673696d0000000f0002006e65746465ffffffffffffffff008e0001000000080029210ffe70f74135c6c84e95f601007063690011000200303030303a300008008e0000000000080001007063690011000200303030303a30303a31302e300000000408001700a1a628523064156e9f9c48c438c3489ada27a5332186e0618640bae922d4a91285d89e0cf8a2ec5e1bd9978ab6f6864f227aefb818605bb5faa903f2e69df3d3f06c95224bfd42e23b13a9b0ecf7e26eec4ccacef0f496c155b78af42fc33ec2a7e500"/233, @ANYRES16=r4, @ANYRESDEC, @ANYRESOCT, @ANYRES8], 0x84}, 0x1, 0x0, 0x0, 0x85}, 0x40000) sendmsg$nl_route(0xffffffffffffffff, &(0x7f0000000a00)={&(0x7f00000007c0)={0x10, 0x0, 0x0, 0x200000}, 0xc, &(0x7f0000000880)={&(0x7f0000000c00)=ANY=[@ANYBLOB="240000499a000400d7cfb9710f73c673000700ac1e0011000000000000000000000000005a381ff052b251", @ANYRES16, @ANYRESDEC, @ANYRES16, @ANYRES16, @ANYRESOCT], 0x24}, 0x1, 0x0, 0x0, 0x4044080}, 0x8080) bind$packet(0xffffffffffffffff, &(0x7f0000000140)={0x11, 0xf0, 0x0, 0x1, 0x0, 0x6, @multicast}, 0x14) socketpair(0x23, 0x6, 0x40, &(0x7f00000000c0)) sendto$inet6(r3, &(0x7f0000847fff)='X', 0x34000, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) [ 783.352408][T11963] loop2: detected capacity change from 0 to 4096 18:02:13 executing program 2: prctl$PR_SCHED_CORE(0x3e, 0x1, 0x0, 0x2, 0x0) r0 = syz_open_dev$sndmidi(&(0x7f0000000040), 0x2, 0x141101) r1 = dup(r0) write$6lowpan_enable(r1, 0x0, 0x0) syz_open_procfs(0x0, &(0x7f0000000080)='net/dev\x00') r2 = socket$inet6_sctp(0xa, 0x5, 0x84) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r2, 0x84, 0x9, &(0x7f0000000580)={0x0, @in={{0x2, 0x0, @empty}}, 0x0, 0x0, 0x3fc, 0x0, 0x32}, 0x9c) bind$packet(0xffffffffffffffff, &(0x7f0000000140)={0x11, 0xf0, 0x0, 0x1, 0x0, 0x6, @multicast}, 0x14) sendto$inet6(r2, &(0x7f0000847fff)='X', 0x34000, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) (fail_nth: 1) [ 783.560324][T11969] FAULT_INJECTION: forcing a failure. [ 783.560324][T11969] name fail_usercopy, interval 1, probability 0, space 0, times 1 [ 783.591926][T11969] CPU: 1 PID: 11969 Comm: syz-executor.3 Not tainted 6.0.0-rc4-syzkaller #0 [ 783.600644][T11969] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/26/2022 [ 783.610700][T11969] Call Trace: [ 783.613966][T11969] [ 783.616887][T11969] dump_stack_lvl+0xcd/0x134 [ 783.621492][T11969] should_fail.cold+0x5/0xa [ 783.625990][T11969] _copy_from_user+0x2a/0x170 [ 783.630663][T11969] move_addr_to_kernel.part.0+0x31/0x110 [ 783.636289][T11969] __sys_sendto+0x183/0x340 [ 783.640780][T11969] ? __ia32_sys_getpeername+0xb0/0xb0 [ 783.646140][T11969] ? lockdep_hardirqs_on_prepare+0x400/0x400 [ 783.652117][T11969] ? __ct_user_exit+0xff/0x150 [ 783.656868][T11969] ? lock_downgrade+0x6e0/0x6e0 [ 783.661702][T11969] ? lock_downgrade+0x6e0/0x6e0 [ 783.666546][T11969] __x64_sys_sendto+0xdd/0x1b0 [ 783.671290][T11969] ? syscall_enter_from_user_mode+0x22/0xb0 [ 783.677260][T11969] do_syscall_64+0x35/0xb0 [ 783.681692][T11969] entry_SYSCALL_64_after_hwframe+0x63/0xcd [ 783.687584][T11969] RIP: 0033:0x7ff7c1689279 [ 783.691987][T11969] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48 [ 783.711581][T11969] RSP: 002b:00007ff7c2728168 EFLAGS: 00000246 ORIG_RAX: 000000000000002c [ 783.719978][T11969] RAX: ffffffffffffffda RBX: 00007ff7c179bf80 RCX: 00007ff7c1689279 [ 783.727933][T11969] RDX: 0000000000034000 RSI: 0000000020847fff RDI: 0000000000000003 [ 783.735890][T11969] RBP: 00007ff7c27281d0 R08: 000000002005ffe4 R09: 000000000000001c [ 783.743852][T11969] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001 [ 783.751817][T11969] R13: 00007ffc27f6891f R14: 00007ff7c2728300 R15: 0000000000022000 18:02:13 executing program 1: prctl$PR_SCHED_CORE(0x3e, 0x1, 0x0, 0x2, 0x0) r0 = syz_open_dev$sndmidi(&(0x7f0000000040), 0x2, 0x141101) r1 = dup(r0) write$6lowpan_enable(r1, &(0x7f0000000000)='0', 0xfffffd2c) syz_open_procfs(0x0, &(0x7f0000000080)='net/dev\x00') r2 = socket$inet6_sctp(0xa, 0x5, 0x84) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r2, 0x84, 0x9, &(0x7f0000000580)={0x0, @in={{0x2, 0x0, @empty}}, 0x0, 0x0, 0x3fc, 0x0, 0x32}, 0x9c) bind$packet(0xffffffffffffffff, &(0x7f0000000140)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @multicast}, 0x14) sendto$inet6(r2, &(0x7f0000847fff), 0x0, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) [ 783.759786][T11969] 18:02:13 executing program 3: r0 = dup(0xffffffffffffffff) write$6lowpan_enable(r0, &(0x7f0000000000)='0', 0xfffffd2c) r1 = socket$inet6_sctp(0xa, 0x5, 0x84) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r1, 0x84, 0x9, &(0x7f0000000580)={0x0, @in={{0x2, 0x0, @empty}}, 0x0, 0x0, 0x3fc, 0x0, 0x32}, 0x9c) bind$packet(0xffffffffffffffff, &(0x7f0000000140)={0x11, 0xf0, 0x0, 0x1, 0x0, 0x6, @multicast}, 0x14) sendto$inet6(r1, &(0x7f0000847fff)='X', 0x34000, 0x0, &(0x7f000005ffe4)={0xa, 0x0, 0x0, @loopback}, 0x1c) (fail_nth: 2) 18:02:13 executing program 4: prlimit64(0x0, 0xe, &(0x7f0000000140)={0x8, 0x8b}, 0x0) sched_setscheduler(0x0, 0x2, &(0x7f0000000080)=0x8) r0 = getpid() sched_setscheduler(r0, 0x1, &(0x7f0000001700)=0x4) socketpair$unix(0x1, 0x2, 0x0, &(0x7f0000000200)={0xffffffffffffffff, 0xffffffffffffffff}) recvmmsg(r1, &(0x7f00000000c0), 0x10106, 0x2, 0x0) r3 = openat$loop_ctrl(0xffffff9c, &(0x7f0000000040), 0x0, 0x0) sendmmsg(r2, 0x0, 0x0, 0x0) r4 = getpid() sched_setaffinity(r4, 0x8, &(0x7f0000000000)=0x96f) ioctl$LOOP_CTL_ADD(r3, 0x4c80, 0x0) (fail_nth: 1) ioctl$LOOP_CTL_REMOVE(r3, 0x4c81, 0x0) [ 783.870412][T11974] FAULT_INJECTION: forcing a failure. [ 783.870412][T11974] name fail_usercopy, interval 1, probability 0, space 0, times 0 [ 783.983339][T11974] CPU: 1 PID: 11974 Comm: syz-executor.2 Not tainted 6.0.0-rc4-syzkaller #0 [ 783.992071][T11974] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/26/2022 [ 784.002140][T11974] Call Trace: [ 784.005424][T11974] [ 784.008348][T11974] dump_stack_lvl+0xcd/0x134 [ 784.012939][T11974] should_fail.cold+0x5/0xa [ 784.017437][T11974] _copy_from_user+0x2a/0x170 [ 784.022109][T11974] move_addr_to_kernel.part.0+0x31/0x110 [ 784.027736][T11974] __sys_sendto+0x183/0x340 [ 784.032241][T11974] ? __ia32_sys_getpeername+0xb0/0xb0 [ 784.037607][T11974] ? lockdep_hardirqs_on_prepare+0x400/0x400 [ 784.043587][T11974] ? __ct_user_exit+0xff/0x150 [ 784.048350][T11974] ? lock_downgrade+0x6e0/0x6e0 [ 784.053195][T11974] ? lock_downgrade+0x6e0/0x6e0 [ 784.058045][T11974] __x64_sys_sendto+0xdd/0x1b0 [ 784.062802][T11974] ? syscall_enter_from_user_mode+0x22/0xb0 [ 784.068694][T11974] do_syscall_64+0x35/0xb0 [ 784.073102][T11974] entry_SYSCALL_64_after_hwframe+0x63/0xcd [ 784.078988][T11974] RIP: 0033:0x7f4e5dc89279 [ 784.083390][T11974] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48 [ 784.102988][T11974] RSP: 002b:00007f4e5ee2c168 EFLAGS: 00000246 ORIG_RAX: 000000000000002c [ 784.111562][T11974] RAX: ffffffffffffffda RBX: 00007f4e5dd9bf80 RCX: 00007f4e5dc89279 [ 784.119520][T11974] RDX: 0000000000034000 RSI: 0000000020847fff RDI: 0000000000000006 [ 784.127480][T11974] RBP: 00007f4e5ee2c1d0 R08: 000000002005ffe4 R09: 000000000000001c [ 784.135445][T11974] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001 [ 784.143428][T11974] R13: 00007ffe0eacf04f R14: 00007f4e5ee2c300 R15: 0000000000022000 [ 784.151404][T11974] [ 784.156786][T11982] ERROR: Out of memory at tomoyo_realpath_from_path. 18:02:14 executing program 3: r0 = dup(0xffffffffffffffff) write$6lowpan_enable(r0, &(0x7f0000000000)='0', 0xfffffd2c) r1 = socket$inet6_sctp(0xa, 0x5, 0x84) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r1, 0x84, 0x9, &(0x7f0000000580)={0x0, @in={{0x2, 0x0, @empty}}, 0x0, 0x0, 0x3fc, 0x0, 0x32}, 0x9c) bind$packet(0xffffffffffffffff, &(0x7f0000000140)={0x11, 0xf0, 0x0, 0x1, 0x0, 0x6, @multicast}, 0x14) sendto$inet6(r1, &(0x7f0000847fff)='X', 0x34000, 0x0, &(0x7f000005ffe4)={0xa, 0x0, 0x0, @loopback}, 0x1c) (fail_nth: 3) 18:02:14 executing program 2: prctl$PR_SCHED_CORE(0x3e, 0x1, 0x0, 0x2, 0x0) r0 = syz_open_dev$sndmidi(&(0x7f0000000040), 0x2, 0x141101) r1 = dup(r0) write$6lowpan_enable(r1, 0x0, 0x0) syz_open_procfs(0x0, &(0x7f0000000080)='net/dev\x00') r2 = socket$inet6_sctp(0xa, 0x5, 0x84) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r2, 0x84, 0x9, &(0x7f0000000580)={0x0, @in={{0x2, 0x0, @empty}}, 0x0, 0x0, 0x3fc, 0x0, 0x32}, 0x9c) bind$packet(0xffffffffffffffff, &(0x7f0000000140)={0x11, 0xf0, 0x0, 0x1, 0x0, 0x6, @multicast}, 0x14) sendto$inet6(r2, &(0x7f0000847fff)='X', 0x34000, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) (fail_nth: 2) 18:02:14 executing program 3: r0 = dup(0xffffffffffffffff) write$6lowpan_enable(r0, &(0x7f0000000000)='0', 0xfffffd2c) r1 = socket$inet6_sctp(0xa, 0x5, 0x84) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r1, 0x84, 0x9, &(0x7f0000000580)={0x0, @in={{0x2, 0x0, @empty}}, 0x0, 0x0, 0x3fc, 0x0, 0x32}, 0x9c) bind$packet(0xffffffffffffffff, &(0x7f0000000140)={0x11, 0xf0, 0x0, 0x1, 0x0, 0x6, @multicast}, 0x14) sendto$inet6(r1, &(0x7f0000847fff)='X', 0x34000, 0x0, &(0x7f000005ffe4)={0xa, 0x0, 0x0, @loopback}, 0x1c) (fail_nth: 4) [ 784.333792][T10795] udevd[10795]: inotify_add_watch(7, /dev/loop0, 10) failed: No such file or directory 18:02:14 executing program 2: prctl$PR_SCHED_CORE(0x3e, 0x1, 0x0, 0x2, 0x0) r0 = syz_open_dev$sndmidi(&(0x7f0000000040), 0x2, 0x141101) r1 = dup(r0) write$6lowpan_enable(r1, 0x0, 0x0) syz_open_procfs(0x0, &(0x7f0000000080)='net/dev\x00') r2 = socket$inet6_sctp(0xa, 0x5, 0x84) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r2, 0x84, 0x9, &(0x7f0000000580)={0x0, @in={{0x2, 0x0, @empty}}, 0x0, 0x0, 0x3fc, 0x0, 0x32}, 0x9c) bind$packet(0xffffffffffffffff, &(0x7f0000000140)={0x11, 0xf0, 0x0, 0x1, 0x0, 0x6, @multicast}, 0x14) sendto$inet6(r2, &(0x7f0000847fff)='X', 0x34000, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) (fail_nth: 3) 18:02:14 executing program 5: prctl$PR_SCHED_CORE(0x3e, 0x1, 0x0, 0x2, 0x0) r0 = syz_open_dev$sndmidi(&(0x7f0000000040), 0x2, 0x141101) r1 = dup(r0) write$6lowpan_enable(r1, &(0x7f0000000000)='0', 0xfffffd2c) r2 = getpid() tkill(r2, 0x0) syz_open_procfs(r2, &(0x7f0000000080)='net/dev\x00') r3 = socket$inet6_sctp(0xa, 0x5, 0x84) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r3, 0x84, 0x9, &(0x7f0000000580)={0x0, @in={{0x2, 0x0, @empty}}, 0x0, 0x0, 0x3fc, 0x0, 0x32}, 0x9c) bind$inet6(r3, &(0x7f00004b8fe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) sendmsg$BATADV_CMD_GET_BLA_BACKBONE(0xffffffffffffffff, &(0x7f0000000240)={&(0x7f00000003c0)={0x10, 0x0, 0x0, 0x40000000}, 0xc, &(0x7f0000000580)={&(0x7f0000000ac0)=ANY=[@ANYBLOB="75b9609d35b13765f535640b1647adc8d4528d7dcb5ecd49ae55d43d3b97ecb1655aa6d8fee6b424e0505947a242cbd17bb07e95b202fc3c205cdbe6a8f96871306ae8b68ac958053ac4db38ca0dc66bbffd0930941f68eeb164059f458da7acaa5be83249f1180500a3884f69053123e3ce572b9b117c90fe0a17097d317242", @ANYRES32, @ANYRES64, @ANYRESOCT, @ANYBLOB="08003c0000080000ffa459f4d55ea7e660d27ca685e5ff2d0008000000080006003a47559364f7aad7844855eeb6e6d7b1e57d788f8dbacc87d90731e061160ba4f8e213ac52941d846cf53ab15299b9743f8bb0e6ea7725942d910a", @ANYRES16, @ANYRESOCT], 0x54}, 0x1, 0x0, 0x0, 0x4041}, 0x0) r4 = syz_mount_image$vfat(&(0x7f0000000900), &(0x7f0000000940)='./file0\x00', 0x200007, 0x3, &(0x7f0000000700)=[{&(0x7f0000000000)="eb3c906d8d6673fdd2617400028001000240000004f801", 0x17}, {&(0x7f0000001440)="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", 0x144, 0x601}, {0x0, 0x0, 0x5}], 0x800440, &(0x7f00000004c0)={[{@shortname_winnt}, {@fat=@gid}, {@iocharset={'iocharset', 0x3d, 'cp866'}}, {@fat=@fmask={'fmask', 0x3d, 0x1ff}}, {@rodir}, {@fat=@errors_remount}, {@shortname_win95}, {@uni_xlate}, {@uni_xlateno}, {@utf8}, {@uni_xlate}, {@utf8no}]}) sendmsg$IPSET_CMD_DEL(0xffffffffffffffff, &(0x7f0000000a80)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x200}, 0xc, &(0x7f0000000400)={&(0x7f00000008c0)=ANY=[@ANYRES64], 0x60}, 0x1, 0x0, 0x0, 0x8840}, 0x4040050) sendmsg$nl_route(0xffffffffffffffff, &(0x7f0000000980)={&(0x7f0000000440)={0x10, 0x0, 0x0, 0x10000000}, 0xc, &(0x7f0000000740)={&(0x7f0000000d00)=ANY=[@ANYBLOB="86f2407d8a204caf80b640e69a13fefeff6f0000042ba98cfcfccd470037369314427ebd70000000000000000000000000000000cdfb0fa21b95f8072c528f2858315775d7552e", @ANYRES32=0x0, @ANYBLOB="0c943d0559ff0600ff0000000c00018005000600c0000000100001800c00a03a03462081c7fc75d9ffffbf", @ANYRESDEC=r4, @ANYRES64], 0x40}, 0x1, 0x0, 0x0, 0x4008000}, 0x44040) sendmsg$DEVLINK_CMD_TRAP_POLICER_GET(0xffffffffffffffff, &(0x7f0000000780)={&(0x7f0000000480)={0x10, 0x0, 0x0, 0x1000}, 0xc, &(0x7f0000000680)={&(0x7f0000000f40)=ANY=[@ANYBLOB="dd82fa64e3415dc226d3ac622a8239db19850e5d1f97ad157d6e4d3b4b1eb09bbca07c99827fb7c132f6ded2b0753747f344067fa51608045c50c82cae8b9d8c5f9f", @ANYRESHEX, @ANYBLOB="000129bd7000fcdbdf35450900000001006e657464657673696d0000000f0002006e65746465ffffffffffffffff008e0001000000080029210ffe70f74135c6c84e95f601007063690011000200303030303a300008008e0000000000080001007063690011000200303030303a30303a31302e300000000408001700a1a628523064156e9f9c48c438c3489ada27a5332186e0618640bae922d4a91285d89e0cf8a2ec5e1bd9978ab6f6864f227aefb818605bb5faa903f2e69df3d3f06c95224bfd42e23b13a9b0ecf7e26eec4ccacef0f496c155b78af42fc33ec2a7e500"/233, @ANYRES16=r4, @ANYRESDEC, @ANYRESOCT, @ANYRES8], 0x84}, 0x1, 0x0, 0x0, 0x85}, 0x40000) sendmsg$nl_route(0xffffffffffffffff, &(0x7f0000000a00)={&(0x7f00000007c0)={0x10, 0x0, 0x0, 0x200000}, 0xc, &(0x7f0000000880)={&(0x7f0000000c00)=ANY=[@ANYBLOB="240000499a000400d7cfb9710f73c673000700ac1e0011000000000000000000000000005a381ff052b251", @ANYRES16, @ANYRESDEC, @ANYRES16, @ANYRES16, @ANYRESOCT], 0x24}, 0x1, 0x0, 0x0, 0x4044080}, 0x8080) bind$packet(0xffffffffffffffff, &(0x7f0000000140)={0x11, 0xf0, 0x0, 0x1, 0x0, 0x6, @multicast}, 0x14) socketpair(0x23, 0x6, 0x40, &(0x7f00000000c0)) sendto$inet6(r3, &(0x7f0000847fff)='X', 0x34000, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) 18:02:14 executing program 3: r0 = dup(0xffffffffffffffff) write$6lowpan_enable(r0, &(0x7f0000000000)='0', 0xfffffd2c) r1 = socket$inet6_sctp(0xa, 0x5, 0x84) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r1, 0x84, 0x9, &(0x7f0000000580)={0x0, @in={{0x2, 0x0, @empty}}, 0x0, 0x0, 0x3fc, 0x0, 0x32}, 0x9c) bind$packet(0xffffffffffffffff, &(0x7f0000000140)={0x11, 0xf0, 0x0, 0x1, 0x0, 0x6, @multicast}, 0x14) sendto$inet6(r1, &(0x7f0000847fff)='X', 0x34000, 0x0, &(0x7f000005ffe4)={0xa, 0x0, 0x0, @loopback}, 0x1c) (fail_nth: 5) 18:02:14 executing program 1: prctl$PR_SCHED_CORE(0x3e, 0x1, 0x0, 0x2, 0x0) r0 = syz_open_dev$sndmidi(&(0x7f0000000040), 0x2, 0x141101) r1 = dup(r0) write$6lowpan_enable(r1, &(0x7f0000000000)='0', 0xfffffd2c) syz_open_procfs(0x0, &(0x7f0000000080)='net/dev\x00') r2 = socket$inet6_sctp(0xa, 0x5, 0x84) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r2, 0x84, 0x9, &(0x7f0000000580)={0x0, @in={{0x2, 0x0, @empty}}, 0x0, 0x0, 0x3fc, 0x0, 0x32}, 0x9c) bind$packet(0xffffffffffffffff, &(0x7f0000000140)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @multicast}, 0x14) sendto$inet6(r2, &(0x7f0000847fff), 0x0, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) 18:02:14 executing program 0: prctl$PR_SCHED_CORE(0x3e, 0x1, 0x0, 0x2, 0x0) r0 = syz_open_dev$sndmidi(&(0x7f0000000040), 0x2, 0x141101) r1 = dup(r0) write$6lowpan_enable(r1, &(0x7f0000000000)='0', 0xfffffd2c) r2 = getpid() tkill(r2, 0x0) syz_open_procfs(r2, &(0x7f0000000080)='net/dev\x00') r3 = socket$inet6_sctp(0xa, 0x5, 0x84) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r3, 0x84, 0x9, &(0x7f0000000580)={0x0, @in={{0x2, 0x0, @empty}}, 0x0, 0x0, 0x3fc, 0x0, 0x32}, 0x9c) bind$inet6(r3, &(0x7f00004b8fe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) sendmsg$BATADV_CMD_GET_BLA_BACKBONE(0xffffffffffffffff, &(0x7f0000000240)={&(0x7f00000003c0)={0x10, 0x0, 0x0, 0x40000000}, 0xc, &(0x7f0000000580)={&(0x7f0000000ac0)=ANY=[@ANYBLOB="75b9609d35b13765f535640b1647adc8d4528d7dcb5ecd49ae55d43d3b97ecb1655aa6d8fee6b424e0505947a242cbd17bb07e95b202fc3c205cdbe6a8f96871306ae8b68ac958053ac4db38ca0dc66bbffd0930941f68eeb164059f458da7acaa5be83249f1180500a3884f69053123e3ce572b9b117c90fe0a17097d317242", @ANYRES32, @ANYRES64, @ANYRESOCT, @ANYBLOB="08003c0000080000ffa459f4d55ea7e660d27ca685e5ff2d0008000000080006003a47559364f7aad7844855eeb6e6d7b1e57d788f8dbacc87d90731e061160ba4f8e213ac52941d846cf53ab15299b9743f8bb0e6ea7725942d910a", @ANYRES16, @ANYRESOCT], 0x54}, 0x1, 0x0, 0x0, 0x4041}, 0x0) r4 = syz_mount_image$vfat(&(0x7f0000000900), &(0x7f0000000940)='./file0\x00', 0x200007, 0x3, &(0x7f0000000700)=[{&(0x7f0000000000)="eb3c906d8d6673fdd2617400028001000240000004f801", 0x17}, {&(0x7f0000001440)="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", 0x144, 0x601}, {0x0, 0x0, 0x5}], 0x800440, &(0x7f00000004c0)={[{@shortname_winnt}, {@fat=@gid}, {@iocharset={'iocharset', 0x3d, 'cp866'}}, {@fat=@fmask={'fmask', 0x3d, 0x1ff}}, {@rodir}, {@fat=@errors_remount}, {@shortname_win95}, {@uni_xlate}, {@uni_xlateno}, {@utf8}, {@uni_xlate}, {@utf8no}]}) sendmsg$IPSET_CMD_DEL(0xffffffffffffffff, &(0x7f0000000a80)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x200}, 0xc, &(0x7f0000000400)={&(0x7f00000008c0)=ANY=[@ANYRES64], 0x60}, 0x1, 0x0, 0x0, 0x8840}, 0x4040050) sendmsg$nl_route(0xffffffffffffffff, &(0x7f0000000980)={&(0x7f0000000440)={0x10, 0x0, 0x0, 0x10000000}, 0xc, &(0x7f0000000740)={&(0x7f0000000d00)=ANY=[@ANYBLOB="86f2407d8a204caf80b640e69a13fefeff6f0000042ba98cfcfccd470037369314427ebd70000000000000000000000000000000cdfb0fa21b95f8072c528f2858315775d7552e", @ANYRES32=0x0, @ANYBLOB="0c943d0559ff0600ff0000000c00018005000600c0000000100001800c00a03a03462081c7fc75d9ffffbf", @ANYRESDEC=r4, @ANYRES64], 0x40}, 0x1, 0x0, 0x0, 0x4008000}, 0x44040) sendmsg$DEVLINK_CMD_TRAP_POLICER_GET(0xffffffffffffffff, &(0x7f0000000780)={&(0x7f0000000480)={0x10, 0x0, 0x0, 0x1000}, 0xc, &(0x7f0000000680)={&(0x7f0000000f40)=ANY=[@ANYBLOB="dd82fa64e3415dc226d3ac622a8239db19850e5d1f97ad157d6e4d3b4b1eb09bbca07c99827fb7c132f6ded2b0753747f344067fa51608045c50c82cae8b9d8c5f9f", @ANYRESHEX, @ANYBLOB="000129bd7000fcdbdf35450900000001006e657464657673696d0000000f0002006e65746465ffffffffffffffff008e0001000000080029210ffe70f74135c6c84e95f601007063690011000200303030303a300008008e0000000000080001007063690011000200303030303a30303a31302e300000000408001700a1a628523064156e9f9c48c438c3489ada27a5332186e0618640bae922d4a91285d89e0cf8a2ec5e1bd9978ab6f6864f227aefb818605bb5faa903f2e69df3d3f06c95224bfd42e23b13a9b0ecf7e26eec4ccacef0f496c155b78af42fc33ec2a7e500"/233, @ANYRES16=r4, @ANYRESDEC, @ANYRESOCT, @ANYRES8], 0x84}, 0x1, 0x0, 0x0, 0x85}, 0x40000) sendmsg$nl_route(0xffffffffffffffff, &(0x7f0000000a00)={&(0x7f00000007c0)={0x10, 0x0, 0x0, 0x200000}, 0xc, &(0x7f0000000880)={&(0x7f0000000c00)=ANY=[@ANYBLOB="240000499a000400d7cfb9710f73c673000700ac1e0011000000000000000000000000005a381ff052b251", @ANYRES16, @ANYRESDEC, @ANYRES16, @ANYRES16, @ANYRESOCT], 0x24}, 0x1, 0x0, 0x0, 0x4044080}, 0x8080) bind$packet(0xffffffffffffffff, &(0x7f0000000140)={0x11, 0xf0, 0x0, 0x1, 0x0, 0x6, @multicast}, 0x14) socketpair(0x23, 0x6, 0x40, &(0x7f00000000c0)) sendto$inet6(r3, &(0x7f0000847fff)='X', 0x34000, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) 18:02:14 executing program 2: prctl$PR_SCHED_CORE(0x3e, 0x1, 0x0, 0x2, 0x0) r0 = syz_open_dev$sndmidi(&(0x7f0000000040), 0x2, 0x141101) r1 = dup(r0) write$6lowpan_enable(r1, 0x0, 0x0) syz_open_procfs(0x0, &(0x7f0000000080)='net/dev\x00') r2 = socket$inet6_sctp(0xa, 0x5, 0x84) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r2, 0x84, 0x9, &(0x7f0000000580)={0x0, @in={{0x2, 0x0, @empty}}, 0x0, 0x0, 0x3fc, 0x0, 0x32}, 0x9c) bind$packet(0xffffffffffffffff, &(0x7f0000000140)={0x11, 0xf0, 0x0, 0x1, 0x0, 0x6, @multicast}, 0x14) sendto$inet6(r2, &(0x7f0000847fff)='X', 0x34000, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) (fail_nth: 4) 18:02:14 executing program 3: r0 = dup(0xffffffffffffffff) write$6lowpan_enable(r0, &(0x7f0000000000)='0', 0xfffffd2c) r1 = socket$inet6_sctp(0xa, 0x5, 0x84) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r1, 0x84, 0x9, &(0x7f0000000580)={0x0, @in={{0x2, 0x0, @empty}}, 0x0, 0x0, 0x3fc, 0x0, 0x32}, 0x9c) bind$packet(0xffffffffffffffff, &(0x7f0000000140)={0x11, 0xf0, 0x0, 0x1, 0x0, 0x6, @multicast}, 0x14) sendto$inet6(r1, &(0x7f0000847fff)='X', 0x34000, 0x0, &(0x7f000005ffe4)={0xa, 0x0, 0x0, @loopback}, 0x1c) (fail_nth: 6) 18:02:14 executing program 4: prlimit64(0x0, 0xe, &(0x7f0000000140)={0x8, 0x8b}, 0x0) sched_setscheduler(0x0, 0x2, &(0x7f0000000080)=0x8) r0 = getpid() sched_setscheduler(r0, 0x1, &(0x7f0000001700)=0x4) socketpair$unix(0x1, 0x2, 0x0, &(0x7f0000000200)={0xffffffffffffffff, 0xffffffffffffffff}) recvmmsg(r1, &(0x7f00000000c0), 0x10106, 0x2, 0x0) r3 = openat$loop_ctrl(0xffffff9c, &(0x7f0000000040), 0x0, 0x0) sendmmsg(r2, 0x0, 0x0, 0x0) r4 = getpid() sched_setaffinity(r4, 0x8, &(0x7f0000000000)=0x96f) ioctl$LOOP_CTL_ADD(r3, 0x4c80, 0x0) (fail_nth: 2) ioctl$LOOP_CTL_REMOVE(r3, 0x4c81, 0x0) 18:02:14 executing program 2: prctl$PR_SCHED_CORE(0x3e, 0x1, 0x0, 0x2, 0x0) r0 = syz_open_dev$sndmidi(&(0x7f0000000040), 0x2, 0x141101) r1 = dup(r0) write$6lowpan_enable(r1, 0x0, 0x0) syz_open_procfs(0x0, &(0x7f0000000080)='net/dev\x00') r2 = socket$inet6_sctp(0xa, 0x5, 0x84) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r2, 0x84, 0x9, &(0x7f0000000580)={0x0, @in={{0x2, 0x0, @empty}}, 0x0, 0x0, 0x3fc, 0x0, 0x32}, 0x9c) bind$packet(0xffffffffffffffff, &(0x7f0000000140)={0x11, 0xf0, 0x0, 0x1, 0x0, 0x6, @multicast}, 0x14) sendto$inet6(r2, &(0x7f0000847fff)='X', 0x34000, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) (fail_nth: 5) [ 784.877067][T12004] ERROR: Out of memory at tomoyo_realpath_from_path. 18:02:14 executing program 2: prctl$PR_SCHED_CORE(0x3e, 0x1, 0x0, 0x2, 0x0) r0 = syz_open_dev$sndmidi(&(0x7f0000000040), 0x2, 0x141101) r1 = dup(r0) write$6lowpan_enable(r1, 0x0, 0x0) syz_open_procfs(0x0, &(0x7f0000000080)='net/dev\x00') r2 = socket$inet6_sctp(0xa, 0x5, 0x84) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r2, 0x84, 0x9, &(0x7f0000000580)={0x0, @in={{0x2, 0x0, @empty}}, 0x0, 0x0, 0x3fc, 0x0, 0x32}, 0x9c) bind$packet(0xffffffffffffffff, &(0x7f0000000140)={0x11, 0xf0, 0x0, 0x1, 0x0, 0x6, @multicast}, 0x14) sendto$inet6(r2, &(0x7f0000847fff)='X', 0x34000, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) (fail_nth: 6) 18:02:14 executing program 3: r0 = dup(0xffffffffffffffff) write$6lowpan_enable(r0, &(0x7f0000000000)='0', 0xfffffd2c) r1 = socket$inet6_sctp(0xa, 0x5, 0x84) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r1, 0x84, 0x9, &(0x7f0000000580)={0x0, @in={{0x2, 0x0, @empty}}, 0x0, 0x0, 0x3fc, 0x0, 0x32}, 0x9c) bind$packet(0xffffffffffffffff, &(0x7f0000000140)={0x11, 0xf0, 0x0, 0x1, 0x0, 0x6, @multicast}, 0x14) sendto$inet6(r1, &(0x7f0000847fff)='X', 0x34000, 0x0, &(0x7f000005ffe4)={0xa, 0x0, 0x0, @loopback}, 0x1c) (fail_nth: 7) [ 784.945146][T12009] loop5: detected capacity change from 0 to 4096 18:02:15 executing program 3: r0 = dup(0xffffffffffffffff) write$6lowpan_enable(r0, &(0x7f0000000000)='0', 0xfffffd2c) r1 = socket$inet6_sctp(0xa, 0x5, 0x84) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r1, 0x84, 0x9, &(0x7f0000000580)={0x0, @in={{0x2, 0x0, @empty}}, 0x0, 0x0, 0x3fc, 0x0, 0x32}, 0x9c) bind$packet(0xffffffffffffffff, &(0x7f0000000140)={0x11, 0xf0, 0x0, 0x1, 0x0, 0x6, @multicast}, 0x14) sendto$inet6(r1, &(0x7f0000847fff)='X', 0x34000, 0x0, &(0x7f000005ffe4)={0xa, 0x0, 0x0, @loopback}, 0x1c) (fail_nth: 8) 18:02:15 executing program 2: prctl$PR_SCHED_CORE(0x3e, 0x1, 0x0, 0x2, 0x0) r0 = syz_open_dev$sndmidi(&(0x7f0000000040), 0x2, 0x141101) r1 = dup(r0) write$6lowpan_enable(r1, 0x0, 0x0) syz_open_procfs(0x0, &(0x7f0000000080)='net/dev\x00') r2 = socket$inet6_sctp(0xa, 0x5, 0x84) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r2, 0x84, 0x9, &(0x7f0000000580)={0x0, @in={{0x2, 0x0, @empty}}, 0x0, 0x0, 0x3fc, 0x0, 0x32}, 0x9c) bind$packet(0xffffffffffffffff, &(0x7f0000000140)={0x11, 0xf0, 0x0, 0x1, 0x0, 0x6, @multicast}, 0x14) sendto$inet6(r2, &(0x7f0000847fff)='X', 0x34000, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) (fail_nth: 7) [ 785.106892][T10795] udevd[10795]: inotify_add_watch(7, /dev/loop0, 10) failed: No such file or directory 18:02:15 executing program 5: prctl$PR_SCHED_CORE(0x3e, 0x1, 0x0, 0x2, 0x0) r0 = syz_open_dev$sndmidi(&(0x7f0000000040), 0x2, 0x141101) r1 = dup(r0) write$6lowpan_enable(r1, &(0x7f0000000000)='0', 0xfffffd2c) tkill(0x0, 0x0) syz_open_procfs(0x0, 0x0) r2 = socket$inet6_sctp(0xa, 0x5, 0x84) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r2, 0x84, 0x9, &(0x7f0000000580)={0x0, @in={{0x2, 0x0, @empty}}, 0x0, 0x0, 0x3fc, 0x0, 0x32}, 0x9c) bind$packet(0xffffffffffffffff, &(0x7f0000000140)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @multicast}, 0x14) close_range(0xffffffffffffffff, 0xffffffffffffffff, 0x0) sendto$inet6(r2, &(0x7f0000847fff)='X', 0x34000, 0x0, &(0x7f000005ffe4)={0xa, 0x0, 0x0, @loopback}, 0x1c) (fail_nth: 1) 18:02:15 executing program 3: r0 = dup(0xffffffffffffffff) write$6lowpan_enable(r0, &(0x7f0000000000)='0', 0xfffffd2c) r1 = socket$inet6_sctp(0xa, 0x5, 0x84) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r1, 0x84, 0x9, &(0x7f0000000580)={0x0, @in={{0x2, 0x0, @empty}}, 0x0, 0x0, 0x3fc, 0x0, 0x32}, 0x9c) bind$packet(0xffffffffffffffff, &(0x7f0000000140)={0x11, 0xf0, 0x0, 0x1, 0x0, 0x6, @multicast}, 0x14) sendto$inet6(r1, &(0x7f0000847fff)='X', 0x34000, 0x0, &(0x7f000005ffe4)={0xa, 0x0, 0x0, @loopback}, 0x1c) (fail_nth: 9) 18:02:15 executing program 2: prctl$PR_SCHED_CORE(0x3e, 0x1, 0x0, 0x2, 0x0) r0 = syz_open_dev$sndmidi(&(0x7f0000000040), 0x2, 0x141101) r1 = dup(r0) write$6lowpan_enable(r1, 0x0, 0x0) syz_open_procfs(0x0, &(0x7f0000000080)='net/dev\x00') r2 = socket$inet6_sctp(0xa, 0x5, 0x84) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r2, 0x84, 0x9, &(0x7f0000000580)={0x0, @in={{0x2, 0x0, @empty}}, 0x0, 0x0, 0x3fc, 0x0, 0x32}, 0x9c) bind$packet(0xffffffffffffffff, &(0x7f0000000140)={0x11, 0xf0, 0x0, 0x1, 0x0, 0x6, @multicast}, 0x14) sendto$inet6(r2, &(0x7f0000847fff)='X', 0x34000, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) (fail_nth: 8) 18:02:15 executing program 0: syz_open_dev$sndmidi(0x0, 0x2, 0x141101) r0 = dup(0xffffffffffffffff) write$6lowpan_enable(r0, &(0x7f0000000000)='0', 0xfffffd2c) syz_open_procfs(0x0, &(0x7f0000000080)='net/dev\x00') r1 = socket$inet6_sctp(0xa, 0x5, 0x84) sendmsg$nl_route(0xffffffffffffffff, 0x0, 0x0) close_range(0xffffffffffffffff, 0xffffffffffffffff, 0x0) sendto$inet6(r1, &(0x7f0000847fff)='X', 0x34000, 0x0, &(0x7f000005ffe4)={0xa, 0x0, 0x0, @loopback}, 0x1c) (fail_nth: 1) 18:02:15 executing program 1: prctl$PR_SCHED_CORE(0x3e, 0x1, 0x0, 0x2, 0x0) r0 = syz_open_dev$sndmidi(&(0x7f0000000040), 0x2, 0x141101) r1 = dup(r0) write$6lowpan_enable(r1, &(0x7f0000000000)='0', 0xfffffd2c) syz_open_procfs(0x0, &(0x7f0000000080)='net/dev\x00') r2 = socket$inet6_sctp(0xa, 0x5, 0x84) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r2, 0x84, 0x9, &(0x7f0000000580)={0x0, @in={{0x2, 0x0, @empty}}, 0x0, 0x0, 0x3fc, 0x0, 0x32}, 0x9c) bind$packet(0xffffffffffffffff, &(0x7f0000000140)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @multicast}, 0x14) sendto$inet6(r2, &(0x7f0000847fff)='X', 0x1, 0x0, 0x0, 0x0) 18:02:15 executing program 4: prlimit64(0x0, 0xe, &(0x7f0000000140)={0x8, 0x8b}, 0x0) sched_setscheduler(0x0, 0x2, &(0x7f0000000080)=0x8) r0 = getpid() sched_setscheduler(r0, 0x1, &(0x7f0000001700)=0x4) socketpair$unix(0x1, 0x2, 0x0, &(0x7f0000000200)={0xffffffffffffffff, 0xffffffffffffffff}) recvmmsg(r1, &(0x7f00000000c0), 0x10106, 0x2, 0x0) r3 = openat$loop_ctrl(0xffffff9c, &(0x7f0000000040), 0x0, 0x0) sendmmsg(r2, 0x0, 0x0, 0x0) r4 = getpid() sched_setaffinity(r4, 0x8, &(0x7f0000000000)=0x96f) ioctl$LOOP_CTL_ADD(r3, 0x4c80, 0x0) (fail_nth: 3) ioctl$LOOP_CTL_REMOVE(r3, 0x4c81, 0x0) 18:02:15 executing program 2: prctl$PR_SCHED_CORE(0x3e, 0x1, 0x0, 0x2, 0x0) r0 = syz_open_dev$sndmidi(&(0x7f0000000040), 0x2, 0x141101) r1 = dup(r0) write$6lowpan_enable(r1, 0x0, 0x0) syz_open_procfs(0x0, &(0x7f0000000080)='net/dev\x00') r2 = socket$inet6_sctp(0xa, 0x5, 0x84) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r2, 0x84, 0x9, &(0x7f0000000580)={0x0, @in={{0x2, 0x0, @empty}}, 0x0, 0x0, 0x3fc, 0x0, 0x32}, 0x9c) bind$packet(0xffffffffffffffff, &(0x7f0000000140)={0x11, 0xf0, 0x0, 0x1, 0x0, 0x6, @multicast}, 0x14) sendto$inet6(r2, &(0x7f0000847fff)='X', 0x34000, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) (fail_nth: 9) 18:02:15 executing program 3: r0 = dup(0xffffffffffffffff) write$6lowpan_enable(r0, &(0x7f0000000000)='0', 0xfffffd2c) r1 = socket$inet6_sctp(0xa, 0x5, 0x84) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r1, 0x84, 0x9, &(0x7f0000000580)={0x0, @in={{0x2, 0x0, @empty}}, 0x0, 0x0, 0x3fc, 0x0, 0x32}, 0x9c) bind$packet(0xffffffffffffffff, &(0x7f0000000140)={0x11, 0xf0, 0x0, 0x1, 0x0, 0x6, @multicast}, 0x14) sendto$inet6(r1, &(0x7f0000847fff)='X', 0x34000, 0x0, &(0x7f000005ffe4)={0xa, 0x0, 0x0, @loopback}, 0x1c) (fail_nth: 10) [ 785.946147][T12036] FAULT_INJECTION: forcing a failure. [ 785.946147][T12036] name fail_usercopy, interval 1, probability 0, space 0, times 0 [ 785.975114][T12038] FAULT_INJECTION: forcing a failure. [ 785.975114][T12038] name fail_usercopy, interval 1, probability 0, space 0, times 0 [ 785.994238][T12038] CPU: 0 PID: 12038 Comm: syz-executor.5 Not tainted 6.0.0-rc4-syzkaller #0 [ 786.003019][T12038] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/26/2022 [ 786.013076][T12038] Call Trace: [ 786.016343][T12038] [ 786.019267][T12038] dump_stack_lvl+0xcd/0x134 [ 786.023861][T12038] should_fail.cold+0x5/0xa [ 786.028374][T12038] _copy_from_user+0x2a/0x170 [ 786.033056][T12038] move_addr_to_kernel.part.0+0x31/0x110 [ 786.038686][T12038] __sys_sendto+0x183/0x340 [ 786.043186][T12038] ? __ia32_sys_getpeername+0xb0/0xb0 [ 786.048552][T12038] ? lockdep_hardirqs_on_prepare+0x400/0x400 [ 786.054535][T12038] ? __ct_user_exit+0xff/0x150 [ 786.059292][T12038] ? lock_downgrade+0x6e0/0x6e0 [ 786.064220][T12038] ? lock_downgrade+0x6e0/0x6e0 [ 786.069243][T12038] __x64_sys_sendto+0xdd/0x1b0 [ 786.074001][T12038] ? syscall_enter_from_user_mode+0x22/0xb0 [ 786.079913][T12038] do_syscall_64+0x35/0xb0 [ 786.084323][T12038] entry_SYSCALL_64_after_hwframe+0x63/0xcd [ 786.090209][T12038] RIP: 0033:0x7f6a2d289279 [ 786.094616][T12038] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48 [ 786.114226][T12038] RSP: 002b:00007f6a2e3bd168 EFLAGS: 00000246 ORIG_RAX: 000000000000002c [ 786.122640][T12038] RAX: ffffffffffffffda RBX: 00007f6a2d39c050 RCX: 00007f6a2d289279 [ 786.130609][T12038] RDX: 0000000000034000 RSI: 0000000020847fff RDI: 0000000000000005 [ 786.138604][T12038] RBP: 00007f6a2e3bd1d0 R08: 000000002005ffe4 R09: 000000000000001c [ 786.146579][T12038] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001 [ 786.154543][T12038] R13: 00007fff8670204f R14: 00007f6a2e3bd300 R15: 0000000000022000 [ 786.162519][T12038] [ 786.165677][T12036] CPU: 1 PID: 12036 Comm: syz-executor.0 Not tainted 6.0.0-rc4-syzkaller #0 [ 786.174373][T12036] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/26/2022 [ 786.184440][T12036] Call Trace: [ 786.187723][T12036] [ 786.190642][T12036] dump_stack_lvl+0xcd/0x134 [ 786.195229][T12036] should_fail.cold+0x5/0xa [ 786.199730][T12036] _copy_from_user+0x2a/0x170 [ 786.204421][T12036] move_addr_to_kernel.part.0+0x31/0x110 [ 786.210047][T12036] __sys_sendto+0x183/0x340 [ 786.214539][T12036] ? __ia32_sys_getpeername+0xb0/0xb0 [ 786.219904][T12036] ? lockdep_hardirqs_on_prepare+0x400/0x400 [ 786.225898][T12036] ? __ct_user_exit+0xff/0x150 [ 786.230661][T12036] ? lock_downgrade+0x6e0/0x6e0 [ 786.235502][T12036] ? lock_downgrade+0x6e0/0x6e0 [ 786.240376][T12036] __x64_sys_sendto+0xdd/0x1b0 [ 786.245156][T12036] ? syscall_enter_from_user_mode+0x22/0xb0 [ 786.251042][T12036] do_syscall_64+0x35/0xb0 [ 786.255446][T12036] entry_SYSCALL_64_after_hwframe+0x63/0xcd [ 786.261328][T12036] RIP: 0033:0x7f3d18e89279 [ 786.265731][T12036] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48 [ 786.285327][T12036] RSP: 002b:00007f3d19f4e168 EFLAGS: 00000246 ORIG_RAX: 000000000000002c 18:02:16 executing program 2: prctl$PR_SCHED_CORE(0x3e, 0x1, 0x0, 0x2, 0x0) r0 = syz_open_dev$sndmidi(&(0x7f0000000040), 0x2, 0x141101) r1 = dup(r0) write$6lowpan_enable(r1, 0x0, 0x0) syz_open_procfs(0x0, &(0x7f0000000080)='net/dev\x00') r2 = socket$inet6_sctp(0xa, 0x5, 0x84) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r2, 0x84, 0x9, &(0x7f0000000580)={0x0, @in={{0x2, 0x0, @empty}}, 0x0, 0x0, 0x3fc, 0x0, 0x32}, 0x9c) bind$packet(0xffffffffffffffff, &(0x7f0000000140)={0x11, 0xf0, 0x0, 0x1, 0x0, 0x6, @multicast}, 0x14) sendto$inet6(r2, &(0x7f0000847fff)='X', 0x34000, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) (fail_nth: 10) 18:02:16 executing program 1: prctl$PR_SCHED_CORE(0x3e, 0x1, 0x0, 0x2, 0x0) r0 = syz_open_dev$sndmidi(&(0x7f0000000040), 0x2, 0x141101) r1 = dup(r0) write$6lowpan_enable(r1, &(0x7f0000000000)='0', 0xfffffd2c) syz_open_procfs(0x0, &(0x7f0000000080)='net/dev\x00') r2 = socket$inet6_sctp(0xa, 0x5, 0x84) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r2, 0x84, 0x9, &(0x7f0000000580)={0x0, @in={{0x2, 0x0, @empty}}, 0x0, 0x0, 0x3fc, 0x0, 0x32}, 0x9c) bind$packet(0xffffffffffffffff, &(0x7f0000000140)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @multicast}, 0x14) sendto$inet6(r2, &(0x7f0000847fff)='X', 0x1, 0x0, 0x0, 0x0) 18:02:16 executing program 3: r0 = dup(0xffffffffffffffff) write$6lowpan_enable(r0, &(0x7f0000000000)='0', 0xfffffd2c) r1 = socket$inet6_sctp(0xa, 0x5, 0x84) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r1, 0x84, 0x9, &(0x7f0000000580)={0x0, @in={{0x2, 0x0, @empty}}, 0x0, 0x0, 0x3fc, 0x0, 0x32}, 0x9c) bind$packet(0xffffffffffffffff, &(0x7f0000000140)={0x11, 0xf0, 0x0, 0x1, 0x0, 0x6, @multicast}, 0x14) sendto$inet6(r1, &(0x7f0000847fff)='X', 0x34000, 0x0, &(0x7f000005ffe4)={0xa, 0x0, 0x0, @loopback}, 0x1c) (fail_nth: 11) [ 786.293726][T12036] RAX: ffffffffffffffda RBX: 00007f3d18f9bf80 RCX: 00007f3d18e89279 [ 786.301683][T12036] RDX: 0000000000034000 RSI: 0000000020847fff RDI: 0000000000000004 [ 786.309649][T12036] RBP: 00007f3d19f4e1d0 R08: 000000002005ffe4 R09: 000000000000001c [ 786.317611][T12036] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001 [ 786.325570][T12036] R13: 00007ffdb764030f R14: 00007f3d19f4e300 R15: 0000000000022000 [ 786.333552][T12036] 18:02:16 executing program 3: r0 = dup(0xffffffffffffffff) write$6lowpan_enable(r0, &(0x7f0000000000)='0', 0xfffffd2c) r1 = socket$inet6_sctp(0xa, 0x5, 0x84) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r1, 0x84, 0x9, &(0x7f0000000580)={0x0, @in={{0x2, 0x0, @empty}}, 0x0, 0x0, 0x3fc, 0x0, 0x32}, 0x9c) bind$packet(0xffffffffffffffff, &(0x7f0000000140)={0x11, 0xf0, 0x0, 0x1, 0x0, 0x6, @multicast}, 0x14) sendto$inet6(r1, &(0x7f0000847fff)='X', 0x34000, 0x0, &(0x7f000005ffe4)={0xa, 0x0, 0x0, @loopback}, 0x1c) (fail_nth: 12) 18:02:16 executing program 5: prctl$PR_SCHED_CORE(0x3e, 0x1, 0x0, 0x2, 0x0) r0 = syz_open_dev$sndmidi(&(0x7f0000000040), 0x2, 0x141101) r1 = dup(r0) write$6lowpan_enable(r1, &(0x7f0000000000)='0', 0xfffffd2c) tkill(0x0, 0x0) syz_open_procfs(0x0, 0x0) r2 = socket$inet6_sctp(0xa, 0x5, 0x84) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r2, 0x84, 0x9, &(0x7f0000000580)={0x0, @in={{0x2, 0x0, @empty}}, 0x0, 0x0, 0x3fc, 0x0, 0x32}, 0x9c) bind$packet(0xffffffffffffffff, &(0x7f0000000140)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @multicast}, 0x14) close_range(0xffffffffffffffff, 0xffffffffffffffff, 0x0) sendto$inet6(r2, &(0x7f0000847fff)='X', 0x34000, 0x0, &(0x7f000005ffe4)={0xa, 0x0, 0x0, @loopback}, 0x1c) (fail_nth: 2) 18:02:16 executing program 1: prctl$PR_SCHED_CORE(0x3e, 0x1, 0x0, 0x2, 0x0) r0 = syz_open_dev$sndmidi(&(0x7f0000000040), 0x2, 0x141101) r1 = dup(r0) write$6lowpan_enable(r1, &(0x7f0000000000)='0', 0xfffffd2c) syz_open_procfs(0x0, &(0x7f0000000080)='net/dev\x00') r2 = socket$inet6_sctp(0xa, 0x5, 0x84) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r2, 0x84, 0x9, &(0x7f0000000580)={0x0, @in={{0x2, 0x0, @empty}}, 0x0, 0x0, 0x3fc, 0x0, 0x32}, 0x9c) bind$packet(0xffffffffffffffff, &(0x7f0000000140)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @multicast}, 0x14) sendto$inet6(r2, &(0x7f0000847fff)='X', 0x1, 0x0, 0x0, 0x0) 18:02:16 executing program 0: syz_open_dev$sndmidi(0x0, 0x2, 0x141101) r0 = dup(0xffffffffffffffff) write$6lowpan_enable(r0, &(0x7f0000000000)='0', 0xfffffd2c) syz_open_procfs(0x0, &(0x7f0000000080)='net/dev\x00') r1 = socket$inet6_sctp(0xa, 0x5, 0x84) sendmsg$nl_route(0xffffffffffffffff, 0x0, 0x0) close_range(0xffffffffffffffff, 0xffffffffffffffff, 0x0) sendto$inet6(r1, &(0x7f0000847fff)='X', 0x34000, 0x0, &(0x7f000005ffe4)={0xa, 0x0, 0x0, @loopback}, 0x1c) (fail_nth: 2) 18:02:16 executing program 3: r0 = dup(0xffffffffffffffff) write$6lowpan_enable(r0, &(0x7f0000000000)='0', 0xfffffd2c) r1 = socket$inet6_sctp(0xa, 0x5, 0x84) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r1, 0x84, 0x9, &(0x7f0000000580)={0x0, @in={{0x2, 0x0, @empty}}, 0x0, 0x0, 0x3fc, 0x0, 0x32}, 0x9c) bind$packet(0xffffffffffffffff, &(0x7f0000000140)={0x11, 0xf0, 0x0, 0x1, 0x0, 0x6, @multicast}, 0x14) sendto$inet6(r1, &(0x7f0000847fff)='X', 0x34000, 0x0, &(0x7f000005ffe4)={0xa, 0x0, 0x0, @loopback}, 0x1c) (fail_nth: 13) 18:02:16 executing program 2: prctl$PR_SCHED_CORE(0x3e, 0x1, 0x0, 0x2, 0x0) r0 = syz_open_dev$sndmidi(&(0x7f0000000040), 0x2, 0x141101) r1 = dup(r0) write$6lowpan_enable(r1, 0x0, 0x0) syz_open_procfs(0x0, &(0x7f0000000080)='net/dev\x00') r2 = socket$inet6_sctp(0xa, 0x5, 0x84) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r2, 0x84, 0x9, &(0x7f0000000580)={0x0, @in={{0x2, 0x0, @empty}}, 0x0, 0x0, 0x3fc, 0x0, 0x32}, 0x9c) bind$packet(0xffffffffffffffff, &(0x7f0000000140)={0x11, 0xf0, 0x0, 0x1, 0x0, 0x6, @multicast}, 0x14) sendto$inet6(r2, &(0x7f0000847fff)='X', 0x34000, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) (fail_nth: 11) 18:02:16 executing program 4: prlimit64(0x0, 0xe, &(0x7f0000000140)={0x8, 0x8b}, 0x0) sched_setscheduler(0x0, 0x2, &(0x7f0000000080)=0x8) r0 = getpid() sched_setscheduler(r0, 0x1, &(0x7f0000001700)=0x4) socketpair$unix(0x1, 0x2, 0x0, &(0x7f0000000200)={0xffffffffffffffff, 0xffffffffffffffff}) recvmmsg(r1, &(0x7f00000000c0), 0x10106, 0x2, 0x0) r3 = openat$loop_ctrl(0xffffff9c, &(0x7f0000000040), 0x0, 0x0) sendmmsg(r2, 0x0, 0x0, 0x0) r4 = getpid() sched_setaffinity(r4, 0x8, &(0x7f0000000000)=0x96f) ioctl$LOOP_CTL_ADD(r3, 0x4c80, 0x0) (fail_nth: 4) ioctl$LOOP_CTL_REMOVE(r3, 0x4c81, 0x0) 18:02:16 executing program 3: r0 = dup(0xffffffffffffffff) write$6lowpan_enable(r0, &(0x7f0000000000)='0', 0xfffffd2c) r1 = socket$inet6_sctp(0xa, 0x5, 0x84) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r1, 0x84, 0x9, &(0x7f0000000580)={0x0, @in={{0x2, 0x0, @empty}}, 0x0, 0x0, 0x3fc, 0x0, 0x32}, 0x9c) bind$packet(0xffffffffffffffff, &(0x7f0000000140)={0x11, 0xf0, 0x0, 0x1, 0x0, 0x6, @multicast}, 0x14) sendto$inet6(r1, &(0x7f0000847fff)='X', 0x34000, 0x0, &(0x7f000005ffe4)={0xa, 0x0, 0x0, @loopback}, 0x1c) (fail_nth: 14) 18:02:16 executing program 0: syz_open_dev$sndmidi(0x0, 0x2, 0x141101) r0 = dup(0xffffffffffffffff) write$6lowpan_enable(r0, &(0x7f0000000000)='0', 0xfffffd2c) syz_open_procfs(0x0, &(0x7f0000000080)='net/dev\x00') r1 = socket$inet6_sctp(0xa, 0x5, 0x84) sendmsg$nl_route(0xffffffffffffffff, 0x0, 0x0) close_range(0xffffffffffffffff, 0xffffffffffffffff, 0x0) sendto$inet6(r1, &(0x7f0000847fff)='X', 0x34000, 0x0, &(0x7f000005ffe4)={0xa, 0x0, 0x0, @loopback}, 0x1c) (fail_nth: 3) 18:02:16 executing program 2: prctl$PR_SCHED_CORE(0x3e, 0x1, 0x0, 0x2, 0x0) r0 = syz_open_dev$sndmidi(&(0x7f0000000040), 0x2, 0x141101) r1 = dup(r0) write$6lowpan_enable(r1, 0x0, 0x0) syz_open_procfs(0x0, &(0x7f0000000080)='net/dev\x00') r2 = socket$inet6_sctp(0xa, 0x5, 0x84) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r2, 0x84, 0x9, &(0x7f0000000580)={0x0, @in={{0x2, 0x0, @empty}}, 0x0, 0x0, 0x3fc, 0x0, 0x32}, 0x9c) bind$packet(0xffffffffffffffff, &(0x7f0000000140)={0x11, 0xf0, 0x0, 0x1, 0x0, 0x6, @multicast}, 0x14) sendto$inet6(r2, &(0x7f0000847fff)='X', 0x34000, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) (fail_nth: 12) 18:02:16 executing program 3: r0 = dup(0xffffffffffffffff) write$6lowpan_enable(r0, &(0x7f0000000000)='0', 0xfffffd2c) r1 = socket$inet6_sctp(0xa, 0x5, 0x84) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r1, 0x84, 0x9, &(0x7f0000000580)={0x0, @in={{0x2, 0x0, @empty}}, 0x0, 0x0, 0x3fc, 0x0, 0x32}, 0x9c) bind$packet(0xffffffffffffffff, &(0x7f0000000140)={0x11, 0xf0, 0x0, 0x1, 0x0, 0x6, @multicast}, 0x14) sendto$inet6(r1, &(0x7f0000847fff)='X', 0x34000, 0x0, &(0x7f000005ffe4)={0xa, 0x0, 0x0, @loopback}, 0x1c) (fail_nth: 15) 18:02:16 executing program 0: syz_open_dev$sndmidi(0x0, 0x2, 0x141101) r0 = dup(0xffffffffffffffff) write$6lowpan_enable(r0, &(0x7f0000000000)='0', 0xfffffd2c) syz_open_procfs(0x0, &(0x7f0000000080)='net/dev\x00') r1 = socket$inet6_sctp(0xa, 0x5, 0x84) sendmsg$nl_route(0xffffffffffffffff, 0x0, 0x0) close_range(0xffffffffffffffff, 0xffffffffffffffff, 0x0) sendto$inet6(r1, &(0x7f0000847fff)='X', 0x34000, 0x0, &(0x7f000005ffe4)={0xa, 0x0, 0x0, @loopback}, 0x1c) (fail_nth: 4) 18:02:16 executing program 0: syz_open_dev$sndmidi(0x0, 0x2, 0x141101) r0 = dup(0xffffffffffffffff) write$6lowpan_enable(r0, &(0x7f0000000000)='0', 0xfffffd2c) syz_open_procfs(0x0, &(0x7f0000000080)='net/dev\x00') r1 = socket$inet6_sctp(0xa, 0x5, 0x84) sendmsg$nl_route(0xffffffffffffffff, 0x0, 0x0) close_range(0xffffffffffffffff, 0xffffffffffffffff, 0x0) sendto$inet6(r1, &(0x7f0000847fff)='X', 0x34000, 0x0, &(0x7f000005ffe4)={0xa, 0x0, 0x0, @loopback}, 0x1c) (fail_nth: 5) 18:02:17 executing program 5: prctl$PR_SCHED_CORE(0x3e, 0x1, 0x0, 0x2, 0x0) r0 = syz_open_dev$sndmidi(&(0x7f0000000040), 0x2, 0x141101) r1 = dup(r0) write$6lowpan_enable(r1, &(0x7f0000000000)='0', 0xfffffd2c) tkill(0x0, 0x0) syz_open_procfs(0x0, 0x0) r2 = socket$inet6_sctp(0xa, 0x5, 0x84) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r2, 0x84, 0x9, &(0x7f0000000580)={0x0, @in={{0x2, 0x0, @empty}}, 0x0, 0x0, 0x3fc, 0x0, 0x32}, 0x9c) bind$packet(0xffffffffffffffff, &(0x7f0000000140)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @multicast}, 0x14) close_range(0xffffffffffffffff, 0xffffffffffffffff, 0x0) sendto$inet6(r2, &(0x7f0000847fff)='X', 0x34000, 0x0, &(0x7f000005ffe4)={0xa, 0x0, 0x0, @loopback}, 0x1c) (fail_nth: 3) 18:02:17 executing program 1: prctl$PR_SCHED_CORE(0x3e, 0x1, 0x0, 0x2, 0x0) r0 = syz_open_dev$sndmidi(&(0x7f0000000040), 0x2, 0x141101) r1 = dup(r0) write$6lowpan_enable(r1, &(0x7f0000000000)='0', 0xfffffd2c) syz_open_procfs(0x0, &(0x7f0000000080)='net/dev\x00') r2 = socket$inet6_sctp(0xa, 0x5, 0x84) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r2, 0x84, 0x9, &(0x7f0000000580)={0x0, @in={{0x2, 0x0, @empty}}, 0x0, 0x0, 0x3fc, 0x0, 0x32}, 0x9c) bind$packet(0xffffffffffffffff, &(0x7f0000000140)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @multicast}, 0x14) sendto$inet6(r2, &(0x7f0000847fff)='X', 0x34000, 0x0, &(0x7f000005ffe4)={0xa, 0x0, 0x0, @loopback}, 0x1c) 18:02:17 executing program 0: syz_open_dev$sndmidi(0x0, 0x2, 0x141101) r0 = dup(0xffffffffffffffff) write$6lowpan_enable(r0, &(0x7f0000000000)='0', 0xfffffd2c) syz_open_procfs(0x0, &(0x7f0000000080)='net/dev\x00') r1 = socket$inet6_sctp(0xa, 0x5, 0x84) sendmsg$nl_route(0xffffffffffffffff, 0x0, 0x0) close_range(0xffffffffffffffff, 0xffffffffffffffff, 0x0) sendto$inet6(r1, &(0x7f0000847fff)='X', 0x34000, 0x0, &(0x7f000005ffe4)={0xa, 0x0, 0x0, @loopback}, 0x1c) (fail_nth: 6) 18:02:17 executing program 2: prctl$PR_SCHED_CORE(0x3e, 0x1, 0x0, 0x2, 0x0) r0 = syz_open_dev$sndmidi(&(0x7f0000000040), 0x2, 0x141101) r1 = dup(r0) write$6lowpan_enable(r1, 0x0, 0x0) syz_open_procfs(0x0, &(0x7f0000000080)='net/dev\x00') r2 = socket$inet6_sctp(0xa, 0x5, 0x84) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r2, 0x84, 0x9, &(0x7f0000000580)={0x0, @in={{0x2, 0x0, @empty}}, 0x0, 0x0, 0x3fc, 0x0, 0x32}, 0x9c) bind$packet(0xffffffffffffffff, &(0x7f0000000140)={0x11, 0xf0, 0x0, 0x1, 0x0, 0x6, @multicast}, 0x14) sendto$inet6(r2, &(0x7f0000847fff)='X', 0x34000, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) (fail_nth: 13) 18:02:17 executing program 3: r0 = dup(0xffffffffffffffff) write$6lowpan_enable(r0, &(0x7f0000000000)='0', 0xfffffd2c) r1 = socket$inet6_sctp(0xa, 0x5, 0x84) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r1, 0x84, 0x9, &(0x7f0000000580)={0x0, @in={{0x2, 0x0, @empty}}, 0x0, 0x0, 0x3fc, 0x0, 0x32}, 0x9c) bind$packet(0xffffffffffffffff, &(0x7f0000000140)={0x11, 0xf0, 0x0, 0x1, 0x0, 0x6, @multicast}, 0x14) sendto$inet6(r1, &(0x7f0000847fff)='X', 0x34000, 0x0, &(0x7f000005ffe4)={0xa, 0x0, 0x0, @loopback}, 0x1c) (fail_nth: 16) 18:02:17 executing program 4: prlimit64(0x0, 0xe, &(0x7f0000000140)={0x8, 0x8b}, 0x0) sched_setscheduler(0x0, 0x2, &(0x7f0000000080)=0x8) r0 = getpid() sched_setscheduler(r0, 0x1, &(0x7f0000001700)=0x4) socketpair$unix(0x1, 0x2, 0x0, &(0x7f0000000200)={0xffffffffffffffff, 0xffffffffffffffff}) recvmmsg(r1, &(0x7f00000000c0), 0x10106, 0x2, 0x0) r3 = openat$loop_ctrl(0xffffff9c, &(0x7f0000000040), 0x0, 0x0) sendmmsg(r2, 0x0, 0x0, 0x0) r4 = getpid() sched_setaffinity(r4, 0x8, &(0x7f0000000000)=0x96f) ioctl$LOOP_CTL_ADD(r3, 0x4c80, 0x0) (fail_nth: 5) ioctl$LOOP_CTL_REMOVE(r3, 0x4c81, 0x0) 18:02:17 executing program 0: syz_open_dev$sndmidi(0x0, 0x2, 0x141101) r0 = dup(0xffffffffffffffff) write$6lowpan_enable(r0, &(0x7f0000000000)='0', 0xfffffd2c) syz_open_procfs(0x0, &(0x7f0000000080)='net/dev\x00') r1 = socket$inet6_sctp(0xa, 0x5, 0x84) sendmsg$nl_route(0xffffffffffffffff, 0x0, 0x0) close_range(0xffffffffffffffff, 0xffffffffffffffff, 0x0) sendto$inet6(r1, &(0x7f0000847fff)='X', 0x34000, 0x0, &(0x7f000005ffe4)={0xa, 0x0, 0x0, @loopback}, 0x1c) (fail_nth: 7) 18:02:17 executing program 3: r0 = dup(0xffffffffffffffff) write$6lowpan_enable(r0, &(0x7f0000000000)='0', 0xfffffd2c) r1 = socket$inet6_sctp(0xa, 0x5, 0x84) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r1, 0x84, 0x9, &(0x7f0000000580)={0x0, @in={{0x2, 0x0, @empty}}, 0x0, 0x0, 0x3fc, 0x0, 0x32}, 0x9c) bind$packet(0xffffffffffffffff, &(0x7f0000000140)={0x11, 0xf0, 0x0, 0x1, 0x0, 0x6, @multicast}, 0x14) sendto$inet6(r1, &(0x7f0000847fff)='X', 0x34000, 0x0, &(0x7f000005ffe4)={0xa, 0x0, 0x0, @loopback}, 0x1c) (fail_nth: 17) 18:02:17 executing program 2: prctl$PR_SCHED_CORE(0x3e, 0x1, 0x0, 0x2, 0x0) r0 = syz_open_dev$sndmidi(&(0x7f0000000040), 0x2, 0x141101) r1 = dup(r0) write$6lowpan_enable(r1, 0x0, 0x0) syz_open_procfs(0x0, &(0x7f0000000080)='net/dev\x00') r2 = socket$inet6_sctp(0xa, 0x5, 0x84) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r2, 0x84, 0x9, &(0x7f0000000580)={0x0, @in={{0x2, 0x0, @empty}}, 0x0, 0x0, 0x3fc, 0x0, 0x32}, 0x9c) bind$packet(0xffffffffffffffff, &(0x7f0000000140)={0x11, 0xf0, 0x0, 0x1, 0x0, 0x6, @multicast}, 0x14) sendto$inet6(r2, &(0x7f0000847fff)='X', 0x34000, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) (fail_nth: 14) 18:02:17 executing program 3: r0 = dup(0xffffffffffffffff) write$6lowpan_enable(r0, &(0x7f0000000000)='0', 0xfffffd2c) r1 = socket$inet6_sctp(0xa, 0x5, 0x84) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r1, 0x84, 0x9, &(0x7f0000000580)={0x0, @in={{0x2, 0x0, @empty}}, 0x0, 0x0, 0x3fc, 0x0, 0x32}, 0x9c) bind$packet(0xffffffffffffffff, &(0x7f0000000140)={0x11, 0xf0, 0x0, 0x1, 0x0, 0x6, @multicast}, 0x14) sendto$inet6(r1, &(0x7f0000847fff)='X', 0x34000, 0x0, &(0x7f000005ffe4)={0xa, 0x0, 0x0, @loopback}, 0x1c) (fail_nth: 18) 18:02:17 executing program 2: prctl$PR_SCHED_CORE(0x3e, 0x1, 0x0, 0x2, 0x0) r0 = syz_open_dev$sndmidi(&(0x7f0000000040), 0x2, 0x141101) r1 = dup(r0) write$6lowpan_enable(r1, 0x0, 0x0) syz_open_procfs(0x0, &(0x7f0000000080)='net/dev\x00') r2 = socket$inet6_sctp(0xa, 0x5, 0x84) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r2, 0x84, 0x9, &(0x7f0000000580)={0x0, @in={{0x2, 0x0, @empty}}, 0x0, 0x0, 0x3fc, 0x0, 0x32}, 0x9c) bind$packet(0xffffffffffffffff, &(0x7f0000000140)={0x11, 0xf0, 0x0, 0x1, 0x0, 0x6, @multicast}, 0x14) sendto$inet6(r2, &(0x7f0000847fff)='X', 0x34000, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) (fail_nth: 15) 18:02:17 executing program 0: syz_open_dev$sndmidi(0x0, 0x2, 0x141101) r0 = dup(0xffffffffffffffff) write$6lowpan_enable(r0, &(0x7f0000000000)='0', 0xfffffd2c) syz_open_procfs(0x0, &(0x7f0000000080)='net/dev\x00') r1 = socket$inet6_sctp(0xa, 0x5, 0x84) sendmsg$nl_route(0xffffffffffffffff, 0x0, 0x0) close_range(0xffffffffffffffff, 0xffffffffffffffff, 0x0) sendto$inet6(r1, &(0x7f0000847fff)='X', 0x34000, 0x0, &(0x7f000005ffe4)={0xa, 0x0, 0x0, @loopback}, 0x1c) (fail_nth: 8) 18:02:18 executing program 5: prctl$PR_SCHED_CORE(0x3e, 0x1, 0x0, 0x2, 0x0) r0 = syz_open_dev$sndmidi(&(0x7f0000000040), 0x2, 0x141101) r1 = dup(r0) write$6lowpan_enable(r1, &(0x7f0000000000)='0', 0xfffffd2c) tkill(0x0, 0x0) syz_open_procfs(0x0, 0x0) r2 = socket$inet6_sctp(0xa, 0x5, 0x84) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r2, 0x84, 0x9, &(0x7f0000000580)={0x0, @in={{0x2, 0x0, @empty}}, 0x0, 0x0, 0x3fc, 0x0, 0x32}, 0x9c) bind$packet(0xffffffffffffffff, &(0x7f0000000140)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @multicast}, 0x14) close_range(0xffffffffffffffff, 0xffffffffffffffff, 0x0) sendto$inet6(r2, &(0x7f0000847fff)='X', 0x34000, 0x0, &(0x7f000005ffe4)={0xa, 0x0, 0x0, @loopback}, 0x1c) (fail_nth: 4) 18:02:18 executing program 2: prctl$PR_SCHED_CORE(0x3e, 0x1, 0x0, 0x2, 0x0) r0 = syz_open_dev$sndmidi(&(0x7f0000000040), 0x2, 0x141101) r1 = dup(r0) write$6lowpan_enable(r1, 0x0, 0x0) syz_open_procfs(0x0, &(0x7f0000000080)='net/dev\x00') r2 = socket$inet6_sctp(0xa, 0x5, 0x84) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r2, 0x84, 0x9, &(0x7f0000000580)={0x0, @in={{0x2, 0x0, @empty}}, 0x0, 0x0, 0x3fc, 0x0, 0x32}, 0x9c) bind$packet(0xffffffffffffffff, &(0x7f0000000140)={0x11, 0xf0, 0x0, 0x1, 0x0, 0x6, @multicast}, 0x14) sendto$inet6(r2, &(0x7f0000847fff)='X', 0x34000, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) (fail_nth: 16) 18:02:18 executing program 3: r0 = dup(0xffffffffffffffff) write$6lowpan_enable(r0, &(0x7f0000000000)='0', 0xfffffd2c) r1 = socket$inet6_sctp(0xa, 0x5, 0x84) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r1, 0x84, 0x9, &(0x7f0000000580)={0x0, @in={{0x2, 0x0, @empty}}, 0x0, 0x0, 0x3fc, 0x0, 0x32}, 0x9c) bind$packet(0xffffffffffffffff, &(0x7f0000000140)={0x11, 0xf0, 0x0, 0x1, 0x0, 0x6, @multicast}, 0x14) sendto$inet6(r1, &(0x7f0000847fff)='X', 0x34000, 0x0, &(0x7f000005ffe4)={0xa, 0x0, 0x0, @loopback}, 0x1c) (fail_nth: 19) 18:02:18 executing program 0: syz_open_dev$sndmidi(0x0, 0x2, 0x141101) r0 = dup(0xffffffffffffffff) write$6lowpan_enable(r0, &(0x7f0000000000)='0', 0xfffffd2c) syz_open_procfs(0x0, &(0x7f0000000080)='net/dev\x00') r1 = socket$inet6_sctp(0xa, 0x5, 0x84) sendmsg$nl_route(0xffffffffffffffff, 0x0, 0x0) close_range(0xffffffffffffffff, 0xffffffffffffffff, 0x0) sendto$inet6(r1, &(0x7f0000847fff)='X', 0x34000, 0x0, &(0x7f000005ffe4)={0xa, 0x0, 0x0, @loopback}, 0x1c) (fail_nth: 9) 18:02:18 executing program 3: r0 = dup(0xffffffffffffffff) write$6lowpan_enable(r0, &(0x7f0000000000)='0', 0xfffffd2c) r1 = socket$inet6_sctp(0xa, 0x5, 0x84) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r1, 0x84, 0x9, &(0x7f0000000580)={0x0, @in={{0x2, 0x0, @empty}}, 0x0, 0x0, 0x3fc, 0x0, 0x32}, 0x9c) bind$packet(0xffffffffffffffff, &(0x7f0000000140)={0x11, 0xf0, 0x0, 0x1, 0x0, 0x6, @multicast}, 0x14) sendto$inet6(r1, &(0x7f0000847fff)='X', 0x34000, 0x0, &(0x7f000005ffe4)={0xa, 0x0, 0x0, @loopback}, 0x1c) (fail_nth: 20) 18:02:18 executing program 0: syz_open_dev$sndmidi(0x0, 0x2, 0x141101) r0 = dup(0xffffffffffffffff) write$6lowpan_enable(r0, &(0x7f0000000000)='0', 0xfffffd2c) syz_open_procfs(0x0, &(0x7f0000000080)='net/dev\x00') r1 = socket$inet6_sctp(0xa, 0x5, 0x84) sendmsg$nl_route(0xffffffffffffffff, 0x0, 0x0) close_range(0xffffffffffffffff, 0xffffffffffffffff, 0x0) sendto$inet6(r1, &(0x7f0000847fff)='X', 0x34000, 0x0, &(0x7f000005ffe4)={0xa, 0x0, 0x0, @loopback}, 0x1c) (fail_nth: 10) 18:02:18 executing program 4: prlimit64(0x0, 0xe, &(0x7f0000000140)={0x8, 0x8b}, 0x0) sched_setscheduler(0x0, 0x2, &(0x7f0000000080)=0x8) r0 = getpid() sched_setscheduler(r0, 0x1, &(0x7f0000001700)=0x4) socketpair$unix(0x1, 0x2, 0x0, &(0x7f0000000200)={0xffffffffffffffff, 0xffffffffffffffff}) recvmmsg(r1, &(0x7f00000000c0), 0x10106, 0x2, 0x0) r3 = openat$loop_ctrl(0xffffff9c, &(0x7f0000000040), 0x0, 0x0) sendmmsg(r2, 0x0, 0x0, 0x0) r4 = getpid() sched_setaffinity(r4, 0x8, &(0x7f0000000000)=0x96f) ioctl$LOOP_CTL_ADD(r3, 0x4c80, 0x0) (fail_nth: 6) ioctl$LOOP_CTL_REMOVE(r3, 0x4c81, 0x0) 18:02:18 executing program 1: prctl$PR_SCHED_CORE(0x3e, 0x1, 0x0, 0x2, 0x0) r0 = syz_open_dev$sndmidi(&(0x7f0000000040), 0x2, 0x141101) r1 = dup(r0) write$6lowpan_enable(r1, &(0x7f0000000000)='0', 0xfffffd2c) syz_open_procfs(0x0, &(0x7f0000000080)='net/dev\x00') r2 = socket$inet6_sctp(0xa, 0x5, 0x84) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r2, 0x84, 0x9, &(0x7f0000000580)={0x0, @in={{0x2, 0x0, @empty}}, 0x0, 0x0, 0x3fc, 0x0, 0x32}, 0x9c) bind$packet(0xffffffffffffffff, &(0x7f0000000140)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @multicast}, 0x14) sendto$inet6(r2, &(0x7f0000847fff)='X', 0x34000, 0x0, &(0x7f000005ffe4)={0xa, 0x0, 0x0, @loopback}, 0x1c) 18:02:18 executing program 3: r0 = dup(0xffffffffffffffff) write$6lowpan_enable(r0, &(0x7f0000000000)='0', 0xfffffd2c) r1 = socket$inet6_sctp(0xa, 0x5, 0x84) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r1, 0x84, 0x9, &(0x7f0000000580)={0x0, @in={{0x2, 0x0, @empty}}, 0x0, 0x0, 0x3fc, 0x0, 0x32}, 0x9c) bind$packet(0xffffffffffffffff, &(0x7f0000000140)={0x11, 0xf0, 0x0, 0x1, 0x0, 0x6, @multicast}, 0x14) sendto$inet6(r1, &(0x7f0000847fff)='X', 0x34000, 0x0, &(0x7f000005ffe4)={0xa, 0x0, 0x0, @loopback}, 0x1c) (fail_nth: 21) 18:02:18 executing program 2: prctl$PR_SCHED_CORE(0x3e, 0x1, 0x0, 0x2, 0x0) r0 = syz_open_dev$sndmidi(&(0x7f0000000040), 0x2, 0x141101) r1 = dup(r0) write$6lowpan_enable(r1, 0x0, 0x0) syz_open_procfs(0x0, &(0x7f0000000080)='net/dev\x00') r2 = socket$inet6_sctp(0xa, 0x5, 0x84) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r2, 0x84, 0x9, &(0x7f0000000580)={0x0, @in={{0x2, 0x0, @empty}}, 0x0, 0x0, 0x3fc, 0x0, 0x32}, 0x9c) bind$packet(0xffffffffffffffff, &(0x7f0000000140)={0x11, 0xf0, 0x0, 0x1, 0x0, 0x6, @multicast}, 0x14) sendto$inet6(r2, &(0x7f0000847fff)='X', 0x34000, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) (fail_nth: 17) 18:02:18 executing program 0: syz_open_dev$sndmidi(0x0, 0x2, 0x141101) r0 = dup(0xffffffffffffffff) write$6lowpan_enable(r0, &(0x7f0000000000)='0', 0xfffffd2c) syz_open_procfs(0x0, &(0x7f0000000080)='net/dev\x00') r1 = socket$inet6_sctp(0xa, 0x5, 0x84) sendmsg$nl_route(0xffffffffffffffff, 0x0, 0x0) close_range(0xffffffffffffffff, 0xffffffffffffffff, 0x0) sendto$inet6(r1, &(0x7f0000847fff)='X', 0x34000, 0x0, &(0x7f000005ffe4)={0xa, 0x0, 0x0, @loopback}, 0x1c) (fail_nth: 11) 18:02:18 executing program 3: r0 = dup(0xffffffffffffffff) write$6lowpan_enable(r0, &(0x7f0000000000)='0', 0xfffffd2c) r1 = socket$inet6_sctp(0xa, 0x5, 0x84) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r1, 0x84, 0x9, &(0x7f0000000580)={0x0, @in={{0x2, 0x0, @empty}}, 0x0, 0x0, 0x3fc, 0x0, 0x32}, 0x9c) bind$packet(0xffffffffffffffff, &(0x7f0000000140)={0x11, 0xf0, 0x0, 0x1, 0x0, 0x6, @multicast}, 0x14) sendto$inet6(r1, &(0x7f0000847fff)='X', 0x34000, 0x0, &(0x7f000005ffe4)={0xa, 0x0, 0x0, @loopback}, 0x1c) (fail_nth: 22) [ 788.647678][T12130] blk-mq: reduced tag depth (128 -> 64) 18:02:19 executing program 5: prctl$PR_SCHED_CORE(0x3e, 0x1, 0x0, 0x2, 0x0) r0 = syz_open_dev$sndmidi(&(0x7f0000000040), 0x2, 0x141101) r1 = dup(r0) write$6lowpan_enable(r1, &(0x7f0000000000)='0', 0xfffffd2c) tkill(0x0, 0x0) syz_open_procfs(0x0, 0x0) r2 = socket$inet6_sctp(0xa, 0x5, 0x84) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r2, 0x84, 0x9, &(0x7f0000000580)={0x0, @in={{0x2, 0x0, @empty}}, 0x0, 0x0, 0x3fc, 0x0, 0x32}, 0x9c) bind$packet(0xffffffffffffffff, &(0x7f0000000140)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @multicast}, 0x14) close_range(0xffffffffffffffff, 0xffffffffffffffff, 0x0) sendto$inet6(r2, &(0x7f0000847fff)='X', 0x34000, 0x0, &(0x7f000005ffe4)={0xa, 0x0, 0x0, @loopback}, 0x1c) (fail_nth: 5) 18:02:19 executing program 2: prctl$PR_SCHED_CORE(0x3e, 0x1, 0x0, 0x2, 0x0) r0 = syz_open_dev$sndmidi(&(0x7f0000000040), 0x2, 0x141101) r1 = dup(r0) write$6lowpan_enable(r1, 0x0, 0x0) syz_open_procfs(0x0, &(0x7f0000000080)='net/dev\x00') r2 = socket$inet6_sctp(0xa, 0x5, 0x84) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r2, 0x84, 0x9, &(0x7f0000000580)={0x0, @in={{0x2, 0x0, @empty}}, 0x0, 0x0, 0x3fc, 0x0, 0x32}, 0x9c) bind$packet(0xffffffffffffffff, &(0x7f0000000140)={0x11, 0xf0, 0x0, 0x1, 0x0, 0x6, @multicast}, 0x14) sendto$inet6(r2, &(0x7f0000847fff)='X', 0x34000, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) (fail_nth: 18) 18:02:19 executing program 3: r0 = dup(0xffffffffffffffff) write$6lowpan_enable(r0, &(0x7f0000000000)='0', 0xfffffd2c) r1 = socket$inet6_sctp(0xa, 0x5, 0x84) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r1, 0x84, 0x9, &(0x7f0000000580)={0x0, @in={{0x2, 0x0, @empty}}, 0x0, 0x0, 0x3fc, 0x0, 0x32}, 0x9c) bind$packet(0xffffffffffffffff, &(0x7f0000000140)={0x11, 0xf0, 0x0, 0x1, 0x0, 0x6, @multicast}, 0x14) sendto$inet6(r1, &(0x7f0000847fff)='X', 0x34000, 0x0, &(0x7f000005ffe4)={0xa, 0x0, 0x0, @loopback}, 0x1c) (fail_nth: 23) 18:02:19 executing program 0: syz_open_dev$sndmidi(0x0, 0x2, 0x141101) r0 = dup(0xffffffffffffffff) write$6lowpan_enable(r0, &(0x7f0000000000)='0', 0xfffffd2c) syz_open_procfs(0x0, &(0x7f0000000080)='net/dev\x00') r1 = socket$inet6_sctp(0xa, 0x5, 0x84) sendmsg$nl_route(0xffffffffffffffff, 0x0, 0x0) close_range(0xffffffffffffffff, 0xffffffffffffffff, 0x0) sendto$inet6(r1, &(0x7f0000847fff)='X', 0x34000, 0x0, &(0x7f000005ffe4)={0xa, 0x0, 0x0, @loopback}, 0x1c) (fail_nth: 12) 18:02:19 executing program 0: syz_open_dev$sndmidi(0x0, 0x2, 0x141101) r0 = dup(0xffffffffffffffff) write$6lowpan_enable(r0, &(0x7f0000000000)='0', 0xfffffd2c) syz_open_procfs(0x0, &(0x7f0000000080)='net/dev\x00') r1 = socket$inet6_sctp(0xa, 0x5, 0x84) sendmsg$nl_route(0xffffffffffffffff, 0x0, 0x0) close_range(0xffffffffffffffff, 0xffffffffffffffff, 0x0) sendto$inet6(r1, &(0x7f0000847fff)='X', 0x34000, 0x0, &(0x7f000005ffe4)={0xa, 0x0, 0x0, @loopback}, 0x1c) (fail_nth: 13) 18:02:19 executing program 3: r0 = dup(0xffffffffffffffff) write$6lowpan_enable(r0, &(0x7f0000000000)='0', 0xfffffd2c) r1 = socket$inet6_sctp(0xa, 0x5, 0x84) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r1, 0x84, 0x9, &(0x7f0000000580)={0x0, @in={{0x2, 0x0, @empty}}, 0x0, 0x0, 0x3fc, 0x0, 0x32}, 0x9c) bind$packet(0xffffffffffffffff, &(0x7f0000000140)={0x11, 0xf0, 0x0, 0x1, 0x0, 0x6, @multicast}, 0x14) sendto$inet6(r1, &(0x7f0000847fff)='X', 0x34000, 0x0, &(0x7f000005ffe4)={0xa, 0x0, 0x0, @loopback}, 0x1c) (fail_nth: 24) 18:02:19 executing program 4: prlimit64(0x0, 0xe, &(0x7f0000000140)={0x8, 0x8b}, 0x0) sched_setscheduler(0x0, 0x2, &(0x7f0000000080)=0x8) r0 = getpid() sched_setscheduler(r0, 0x1, &(0x7f0000001700)=0x4) socketpair$unix(0x1, 0x2, 0x0, &(0x7f0000000200)={0xffffffffffffffff, 0xffffffffffffffff}) recvmmsg(r1, &(0x7f00000000c0), 0x10106, 0x2, 0x0) r3 = openat$loop_ctrl(0xffffff9c, &(0x7f0000000040), 0x0, 0x0) sendmmsg(r2, 0x0, 0x0, 0x0) r4 = getpid() sched_setaffinity(r4, 0x8, &(0x7f0000000000)=0x96f) ioctl$LOOP_CTL_ADD(r3, 0x4c80, 0x0) (fail_nth: 7) ioctl$LOOP_CTL_REMOVE(r3, 0x4c81, 0x0) 18:02:19 executing program 2: prctl$PR_SCHED_CORE(0x3e, 0x1, 0x0, 0x2, 0x0) r0 = syz_open_dev$sndmidi(&(0x7f0000000040), 0x2, 0x141101) r1 = dup(r0) write$6lowpan_enable(r1, 0x0, 0x0) syz_open_procfs(0x0, &(0x7f0000000080)='net/dev\x00') r2 = socket$inet6_sctp(0xa, 0x5, 0x84) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r2, 0x84, 0x9, &(0x7f0000000580)={0x0, @in={{0x2, 0x0, @empty}}, 0x0, 0x0, 0x3fc, 0x0, 0x32}, 0x9c) bind$packet(0xffffffffffffffff, &(0x7f0000000140)={0x11, 0xf0, 0x0, 0x1, 0x0, 0x6, @multicast}, 0x14) sendto$inet6(r2, &(0x7f0000847fff)='X', 0x34000, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) (fail_nth: 19) 18:02:19 executing program 1: prctl$PR_SCHED_CORE(0x3e, 0x1, 0x0, 0x2, 0x0) r0 = syz_open_dev$sndmidi(&(0x7f0000000040), 0x2, 0x141101) r1 = dup(r0) write$6lowpan_enable(r1, &(0x7f0000000000)='0', 0xfffffd2c) syz_open_procfs(0x0, &(0x7f0000000080)='net/dev\x00') r2 = socket$inet6_sctp(0xa, 0x5, 0x84) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r2, 0x84, 0x9, &(0x7f0000000580)={0x0, @in={{0x2, 0x0, @empty}}, 0x0, 0x0, 0x3fc, 0x0, 0x32}, 0x9c) bind$packet(0xffffffffffffffff, &(0x7f0000000140)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @multicast}, 0x14) sendto$inet6(r2, &(0x7f0000847fff)='X', 0x34000, 0x0, &(0x7f000005ffe4)={0xa, 0x0, 0x0, @loopback}, 0x1c) 18:02:19 executing program 3: r0 = dup(0xffffffffffffffff) write$6lowpan_enable(r0, &(0x7f0000000000)='0', 0xfffffd2c) r1 = socket$inet6_sctp(0xa, 0x5, 0x84) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r1, 0x84, 0x9, &(0x7f0000000580)={0x0, @in={{0x2, 0x0, @empty}}, 0x0, 0x0, 0x3fc, 0x0, 0x32}, 0x9c) bind$packet(0xffffffffffffffff, &(0x7f0000000140)={0x11, 0xf0, 0x0, 0x1, 0x0, 0x6, @multicast}, 0x14) sendto$inet6(r1, &(0x7f0000847fff)='X', 0x34000, 0x0, &(0x7f000005ffe4)={0xa, 0x0, 0x0, @loopback}, 0x1c) (fail_nth: 25) 18:02:19 executing program 0: syz_open_dev$sndmidi(0x0, 0x2, 0x141101) r0 = dup(0xffffffffffffffff) write$6lowpan_enable(r0, &(0x7f0000000000)='0', 0xfffffd2c) syz_open_procfs(0x0, &(0x7f0000000080)='net/dev\x00') r1 = socket$inet6_sctp(0xa, 0x5, 0x84) sendmsg$nl_route(0xffffffffffffffff, 0x0, 0x0) close_range(0xffffffffffffffff, 0xffffffffffffffff, 0x0) sendto$inet6(r1, &(0x7f0000847fff)='X', 0x34000, 0x0, &(0x7f000005ffe4)={0xa, 0x0, 0x0, @loopback}, 0x1c) (fail_nth: 14) [ 789.512436][T12148] blk-mq: reduced tag depth (128 -> 64) 18:02:19 executing program 2: prctl$PR_SCHED_CORE(0x3e, 0x1, 0x0, 0x2, 0x0) r0 = syz_open_dev$sndmidi(&(0x7f0000000040), 0x2, 0x141101) r1 = dup(r0) write$6lowpan_enable(r1, 0x0, 0x0) syz_open_procfs(0x0, &(0x7f0000000080)='net/dev\x00') r2 = socket$inet6_sctp(0xa, 0x5, 0x84) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r2, 0x84, 0x9, &(0x7f0000000580)={0x0, @in={{0x2, 0x0, @empty}}, 0x0, 0x0, 0x3fc, 0x0, 0x32}, 0x9c) bind$packet(0xffffffffffffffff, &(0x7f0000000140)={0x11, 0xf0, 0x0, 0x1, 0x0, 0x6, @multicast}, 0x14) sendto$inet6(r2, &(0x7f0000847fff)='X', 0x34000, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) (fail_nth: 20) 18:02:19 executing program 5: prctl$PR_SCHED_CORE(0x3e, 0x1, 0x0, 0x2, 0x0) r0 = syz_open_dev$sndmidi(&(0x7f0000000040), 0x2, 0x141101) r1 = dup(r0) write$6lowpan_enable(r1, &(0x7f0000000000)='0', 0xfffffd2c) tkill(0x0, 0x0) syz_open_procfs(0x0, 0x0) r2 = socket$inet6_sctp(0xa, 0x5, 0x84) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r2, 0x84, 0x9, &(0x7f0000000580)={0x0, @in={{0x2, 0x0, @empty}}, 0x0, 0x0, 0x3fc, 0x0, 0x32}, 0x9c) bind$packet(0xffffffffffffffff, &(0x7f0000000140)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @multicast}, 0x14) close_range(0xffffffffffffffff, 0xffffffffffffffff, 0x0) sendto$inet6(r2, &(0x7f0000847fff)='X', 0x34000, 0x0, &(0x7f000005ffe4)={0xa, 0x0, 0x0, @loopback}, 0x1c) (fail_nth: 6) 18:02:19 executing program 3: r0 = dup(0xffffffffffffffff) write$6lowpan_enable(r0, &(0x7f0000000000)='0', 0xfffffd2c) r1 = socket$inet6_sctp(0xa, 0x5, 0x84) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r1, 0x84, 0x9, &(0x7f0000000580)={0x0, @in={{0x2, 0x0, @empty}}, 0x0, 0x0, 0x3fc, 0x0, 0x32}, 0x9c) bind$packet(0xffffffffffffffff, &(0x7f0000000140)={0x11, 0xf0, 0x0, 0x1, 0x0, 0x6, @multicast}, 0x14) sendto$inet6(r1, &(0x7f0000847fff)='X', 0x34000, 0x0, &(0x7f000005ffe4)={0xa, 0x0, 0x0, @loopback}, 0x1c) (fail_nth: 26) 18:02:19 executing program 0: syz_open_dev$sndmidi(0x0, 0x2, 0x141101) r0 = dup(0xffffffffffffffff) write$6lowpan_enable(r0, &(0x7f0000000000)='0', 0xfffffd2c) syz_open_procfs(0x0, &(0x7f0000000080)='net/dev\x00') r1 = socket$inet6_sctp(0xa, 0x5, 0x84) sendmsg$nl_route(0xffffffffffffffff, 0x0, 0x0) close_range(0xffffffffffffffff, 0xffffffffffffffff, 0x0) sendto$inet6(r1, &(0x7f0000847fff)='X', 0x34000, 0x0, &(0x7f000005ffe4)={0xa, 0x0, 0x0, @loopback}, 0x1c) (fail_nth: 15) 18:02:19 executing program 2: prctl$PR_SCHED_CORE(0x3e, 0x1, 0x0, 0x2, 0x0) r0 = syz_open_dev$sndmidi(&(0x7f0000000040), 0x2, 0x141101) r1 = dup(r0) write$6lowpan_enable(r1, 0x0, 0x0) syz_open_procfs(0x0, &(0x7f0000000080)='net/dev\x00') r2 = socket$inet6_sctp(0xa, 0x5, 0x84) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r2, 0x84, 0x9, &(0x7f0000000580)={0x0, @in={{0x2, 0x0, @empty}}, 0x0, 0x0, 0x3fc, 0x0, 0x32}, 0x9c) bind$packet(0xffffffffffffffff, &(0x7f0000000140)={0x11, 0xf0, 0x0, 0x1, 0x0, 0x6, @multicast}, 0x14) sendto$inet6(r2, &(0x7f0000847fff)='X', 0x34000, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) (fail_nth: 21) 18:02:20 executing program 0: syz_open_dev$sndmidi(0x0, 0x2, 0x141101) r0 = dup(0xffffffffffffffff) write$6lowpan_enable(r0, &(0x7f0000000000)='0', 0xfffffd2c) syz_open_procfs(0x0, &(0x7f0000000080)='net/dev\x00') r1 = socket$inet6_sctp(0xa, 0x5, 0x84) sendmsg$nl_route(0xffffffffffffffff, 0x0, 0x0) close_range(0xffffffffffffffff, 0xffffffffffffffff, 0x0) sendto$inet6(r1, &(0x7f0000847fff)='X', 0x34000, 0x0, &(0x7f000005ffe4)={0xa, 0x0, 0x0, @loopback}, 0x1c) (fail_nth: 16) 18:02:20 executing program 2: prctl$PR_SCHED_CORE(0x3e, 0x1, 0x0, 0x2, 0x0) r0 = syz_open_dev$sndmidi(&(0x7f0000000040), 0x2, 0x141101) r1 = dup(r0) write$6lowpan_enable(r1, 0x0, 0x0) syz_open_procfs(0x0, &(0x7f0000000080)='net/dev\x00') r2 = socket$inet6_sctp(0xa, 0x5, 0x84) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r2, 0x84, 0x9, &(0x7f0000000580)={0x0, @in={{0x2, 0x0, @empty}}, 0x0, 0x0, 0x3fc, 0x0, 0x32}, 0x9c) bind$packet(0xffffffffffffffff, &(0x7f0000000140)={0x11, 0xf0, 0x0, 0x1, 0x0, 0x6, @multicast}, 0x14) sendto$inet6(r2, &(0x7f0000847fff)='X', 0x34000, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) (fail_nth: 22) 18:02:20 executing program 3: r0 = dup(0xffffffffffffffff) write$6lowpan_enable(r0, &(0x7f0000000000)='0', 0xfffffd2c) r1 = socket$inet6_sctp(0xa, 0x5, 0x84) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r1, 0x84, 0x9, &(0x7f0000000580)={0x0, @in={{0x2, 0x0, @empty}}, 0x0, 0x0, 0x3fc, 0x0, 0x32}, 0x9c) bind$packet(0xffffffffffffffff, &(0x7f0000000140)={0x11, 0xf0, 0x0, 0x1, 0x0, 0x6, @multicast}, 0x14) sendto$inet6(r1, &(0x7f0000847fff)='X', 0x34000, 0x0, &(0x7f000005ffe4)={0xa, 0x0, 0x0, @loopback}, 0x1c) (fail_nth: 27) 18:02:20 executing program 0: syz_open_dev$sndmidi(0x0, 0x2, 0x141101) r0 = dup(0xffffffffffffffff) write$6lowpan_enable(r0, &(0x7f0000000000)='0', 0xfffffd2c) syz_open_procfs(0x0, &(0x7f0000000080)='net/dev\x00') r1 = socket$inet6_sctp(0xa, 0x5, 0x84) sendmsg$nl_route(0xffffffffffffffff, 0x0, 0x0) close_range(0xffffffffffffffff, 0xffffffffffffffff, 0x0) sendto$inet6(r1, &(0x7f0000847fff)='X', 0x34000, 0x0, &(0x7f000005ffe4)={0xa, 0x0, 0x0, @loopback}, 0x1c) (fail_nth: 17) 18:02:20 executing program 1: prctl$PR_SCHED_CORE(0x3e, 0x1, 0x0, 0x2, 0x0) r0 = syz_open_dev$sndmidi(&(0x7f0000000040), 0x2, 0x141101) r1 = dup(r0) write$6lowpan_enable(r1, &(0x7f0000000000)='0', 0xfffffd2c) syz_open_procfs(0x0, &(0x7f0000000080)='net/dev\x00') r2 = socket$inet6_sctp(0xa, 0x5, 0x84) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r2, 0x84, 0x9, &(0x7f0000000580)={0x0, @in={{0x2, 0x0, @empty}}, 0x0, 0x0, 0x3fc, 0x0, 0x32}, 0x9c) bind$packet(0xffffffffffffffff, &(0x7f0000000140)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @multicast}, 0x14) sendto$inet6(r2, &(0x7f0000847fff)='X', 0x1, 0x0, 0x0, 0x0) 18:02:20 executing program 3: r0 = dup(0xffffffffffffffff) write$6lowpan_enable(r0, &(0x7f0000000000)='0', 0xfffffd2c) r1 = socket$inet6_sctp(0xa, 0x5, 0x84) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r1, 0x84, 0x9, &(0x7f0000000580)={0x0, @in={{0x2, 0x0, @empty}}, 0x0, 0x0, 0x3fc, 0x0, 0x32}, 0x9c) bind$packet(0xffffffffffffffff, &(0x7f0000000140)={0x11, 0xf0, 0x0, 0x1, 0x0, 0x6, @multicast}, 0x14) sendto$inet6(r1, &(0x7f0000847fff)='X', 0x34000, 0x0, &(0x7f000005ffe4)={0xa, 0x0, 0x0, @loopback}, 0x1c) (fail_nth: 28) 18:02:20 executing program 2: prctl$PR_SCHED_CORE(0x3e, 0x1, 0x0, 0x2, 0x0) r0 = syz_open_dev$sndmidi(&(0x7f0000000040), 0x2, 0x141101) r1 = dup(r0) write$6lowpan_enable(r1, 0x0, 0x0) syz_open_procfs(0x0, &(0x7f0000000080)='net/dev\x00') r2 = socket$inet6_sctp(0xa, 0x5, 0x84) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r2, 0x84, 0x9, &(0x7f0000000580)={0x0, @in={{0x2, 0x0, @empty}}, 0x0, 0x0, 0x3fc, 0x0, 0x32}, 0x9c) bind$packet(0xffffffffffffffff, &(0x7f0000000140)={0x11, 0xf0, 0x0, 0x1, 0x0, 0x6, @multicast}, 0x14) sendto$inet6(r2, &(0x7f0000847fff)='X', 0x34000, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) (fail_nth: 23) 18:02:20 executing program 4: prlimit64(0x0, 0xe, &(0x7f0000000140)={0x8, 0x8b}, 0x0) sched_setscheduler(0x0, 0x2, &(0x7f0000000080)=0x8) r0 = getpid() sched_setscheduler(r0, 0x1, &(0x7f0000001700)=0x4) socketpair$unix(0x1, 0x2, 0x0, &(0x7f0000000200)={0xffffffffffffffff, 0xffffffffffffffff}) recvmmsg(r1, &(0x7f00000000c0), 0x10106, 0x2, 0x0) r3 = openat$loop_ctrl(0xffffff9c, &(0x7f0000000040), 0x0, 0x0) sendmmsg(r2, 0x0, 0x0, 0x0) r4 = getpid() sched_setaffinity(r4, 0x8, &(0x7f0000000000)=0x96f) ioctl$LOOP_CTL_ADD(r3, 0x4c80, 0x0) (fail_nth: 8) ioctl$LOOP_CTL_REMOVE(r3, 0x4c81, 0x0) [ 790.594696][T12186] blk-mq: reduced tag depth (128 -> 64) [ 790.695469][T10795] udevd[10795]: inotify_add_watch(7, /dev/loop0, 10) failed: No such file or directory 18:02:20 executing program 5: prctl$PR_SCHED_CORE(0x3e, 0x1, 0x0, 0x2, 0x0) r0 = syz_open_dev$sndmidi(&(0x7f0000000040), 0x2, 0x141101) r1 = dup(r0) write$6lowpan_enable(r1, &(0x7f0000000000)='0', 0xfffffd2c) tkill(0x0, 0x0) syz_open_procfs(0x0, 0x0) r2 = socket$inet6_sctp(0xa, 0x5, 0x84) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r2, 0x84, 0x9, &(0x7f0000000580)={0x0, @in={{0x2, 0x0, @empty}}, 0x0, 0x0, 0x3fc, 0x0, 0x32}, 0x9c) bind$packet(0xffffffffffffffff, &(0x7f0000000140)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @multicast}, 0x14) close_range(0xffffffffffffffff, 0xffffffffffffffff, 0x0) sendto$inet6(r2, &(0x7f0000847fff)='X', 0x34000, 0x0, &(0x7f000005ffe4)={0xa, 0x0, 0x0, @loopback}, 0x1c) (fail_nth: 7) 18:02:20 executing program 2: prctl$PR_SCHED_CORE(0x3e, 0x1, 0x0, 0x2, 0x0) r0 = syz_open_dev$sndmidi(&(0x7f0000000040), 0x2, 0x141101) r1 = dup(r0) write$6lowpan_enable(r1, 0x0, 0x0) syz_open_procfs(0x0, &(0x7f0000000080)='net/dev\x00') r2 = socket$inet6_sctp(0xa, 0x5, 0x84) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r2, 0x84, 0x9, &(0x7f0000000580)={0x0, @in={{0x2, 0x0, @empty}}, 0x0, 0x0, 0x3fc, 0x0, 0x32}, 0x9c) bind$packet(0xffffffffffffffff, &(0x7f0000000140)={0x11, 0xf0, 0x0, 0x1, 0x0, 0x6, @multicast}, 0x14) sendto$inet6(r2, &(0x7f0000847fff)='X', 0x34000, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) (fail_nth: 24) 18:02:20 executing program 0: syz_open_dev$sndmidi(0x0, 0x2, 0x141101) r0 = dup(0xffffffffffffffff) write$6lowpan_enable(r0, &(0x7f0000000000)='0', 0xfffffd2c) syz_open_procfs(0x0, &(0x7f0000000080)='net/dev\x00') r1 = socket$inet6_sctp(0xa, 0x5, 0x84) sendmsg$nl_route(0xffffffffffffffff, 0x0, 0x0) close_range(0xffffffffffffffff, 0xffffffffffffffff, 0x0) sendto$inet6(r1, &(0x7f0000847fff)='X', 0x34000, 0x0, &(0x7f000005ffe4)={0xa, 0x0, 0x0, @loopback}, 0x1c) (fail_nth: 18) 18:02:20 executing program 3: r0 = dup(0xffffffffffffffff) write$6lowpan_enable(r0, &(0x7f0000000000)='0', 0xfffffd2c) r1 = socket$inet6_sctp(0xa, 0x5, 0x84) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r1, 0x84, 0x9, &(0x7f0000000580)={0x0, @in={{0x2, 0x0, @empty}}, 0x0, 0x0, 0x3fc, 0x0, 0x32}, 0x9c) bind$packet(0xffffffffffffffff, &(0x7f0000000140)={0x11, 0xf0, 0x0, 0x1, 0x0, 0x6, @multicast}, 0x14) sendto$inet6(r1, &(0x7f0000847fff)='X', 0x34000, 0x0, &(0x7f000005ffe4)={0xa, 0x0, 0x0, @loopback}, 0x1c) (fail_nth: 29) 18:02:20 executing program 1: prctl$PR_SCHED_CORE(0x3e, 0x1, 0x0, 0x2, 0x0) r0 = syz_open_dev$sndmidi(&(0x7f0000000040), 0x2, 0x141101) r1 = dup(r0) write$6lowpan_enable(r1, &(0x7f0000000000)='0', 0xfffffd2c) syz_open_procfs(0x0, &(0x7f0000000080)='net/dev\x00') r2 = socket$inet6_sctp(0xa, 0x5, 0x84) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r2, 0x84, 0x9, &(0x7f0000000580)={0x0, @in={{0x2, 0x0, @empty}}, 0x0, 0x0, 0x3fc, 0x0, 0x32}, 0x9c) bind$packet(0xffffffffffffffff, &(0x7f0000000140)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @multicast}, 0x14) sendto$inet6(r2, &(0x7f0000847fff)='X', 0x34000, 0x0, &(0x7f000005ffe4)={0xa, 0x0, 0x0, @loopback}, 0x1c) (fail_nth: 1) 18:02:20 executing program 3: r0 = dup(0xffffffffffffffff) write$6lowpan_enable(r0, &(0x7f0000000000)='0', 0xfffffd2c) r1 = socket$inet6_sctp(0xa, 0x5, 0x84) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r1, 0x84, 0x9, &(0x7f0000000580)={0x0, @in={{0x2, 0x0, @empty}}, 0x0, 0x0, 0x3fc, 0x0, 0x32}, 0x9c) bind$packet(0xffffffffffffffff, &(0x7f0000000140)={0x11, 0xf0, 0x0, 0x1, 0x0, 0x6, @multicast}, 0x14) sendto$inet6(r1, &(0x7f0000847fff)='X', 0x34000, 0x0, &(0x7f000005ffe4)={0xa, 0x0, 0x0, @loopback}, 0x1c) (fail_nth: 30) 18:02:20 executing program 0: syz_open_dev$sndmidi(0x0, 0x2, 0x141101) r0 = dup(0xffffffffffffffff) write$6lowpan_enable(r0, &(0x7f0000000000)='0', 0xfffffd2c) syz_open_procfs(0x0, &(0x7f0000000080)='net/dev\x00') r1 = socket$inet6_sctp(0xa, 0x5, 0x84) sendmsg$nl_route(0xffffffffffffffff, 0x0, 0x0) close_range(0xffffffffffffffff, 0xffffffffffffffff, 0x0) sendto$inet6(r1, &(0x7f0000847fff)='X', 0x34000, 0x0, &(0x7f000005ffe4)={0xa, 0x0, 0x0, @loopback}, 0x1c) (fail_nth: 19) 18:02:21 executing program 2: prctl$PR_SCHED_CORE(0x3e, 0x1, 0x0, 0x2, 0x0) r0 = syz_open_dev$sndmidi(&(0x7f0000000040), 0x2, 0x141101) r1 = dup(r0) write$6lowpan_enable(r1, 0x0, 0x0) syz_open_procfs(0x0, &(0x7f0000000080)='net/dev\x00') r2 = socket$inet6_sctp(0xa, 0x5, 0x84) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r2, 0x84, 0x9, &(0x7f0000000580)={0x0, @in={{0x2, 0x0, @empty}}, 0x0, 0x0, 0x3fc, 0x0, 0x32}, 0x9c) bind$packet(0xffffffffffffffff, &(0x7f0000000140)={0x11, 0xf0, 0x0, 0x1, 0x0, 0x6, @multicast}, 0x14) sendto$inet6(r2, &(0x7f0000847fff)='X', 0x34000, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) (fail_nth: 25) [ 791.099274][T12198] FAULT_INJECTION: forcing a failure. [ 791.099274][T12198] name fail_usercopy, interval 1, probability 0, space 0, times 0 [ 791.112760][T12198] CPU: 1 PID: 12198 Comm: syz-executor.1 Not tainted 6.0.0-rc4-syzkaller #0 [ 791.121456][T12198] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/26/2022 [ 791.131543][T12198] Call Trace: [ 791.134821][T12198] [ 791.137780][T12198] dump_stack_lvl+0xcd/0x134 [ 791.142388][T12198] should_fail.cold+0x5/0xa [ 791.146908][T12198] _copy_from_user+0x2a/0x170 [ 791.151590][T12198] move_addr_to_kernel.part.0+0x31/0x110 [ 791.157427][T12198] __sys_sendto+0x183/0x340 [ 791.161927][T12198] ? __ia32_sys_getpeername+0xb0/0xb0 [ 791.167293][T12198] ? lockdep_hardirqs_on_prepare+0x400/0x400 [ 791.173275][T12198] ? __ct_user_exit+0xff/0x150 [ 791.178033][T12198] ? lock_downgrade+0x6e0/0x6e0 [ 791.182884][T12198] ? lock_downgrade+0x6e0/0x6e0 [ 791.187736][T12198] __x64_sys_sendto+0xdd/0x1b0 [ 791.192495][T12198] ? syscall_enter_from_user_mode+0x22/0xb0 [ 791.198384][T12198] do_syscall_64+0x35/0xb0 [ 791.202796][T12198] entry_SYSCALL_64_after_hwframe+0x63/0xcd [ 791.208683][T12198] RIP: 0033:0x7f11d4889279 [ 791.213100][T12198] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48 [ 791.232724][T12198] RSP: 002b:00007f11d5934168 EFLAGS: 00000246 ORIG_RAX: 000000000000002c [ 791.241136][T12198] RAX: ffffffffffffffda RBX: 00007f11d499c050 RCX: 00007f11d4889279 18:02:21 executing program 3: r0 = dup(0xffffffffffffffff) write$6lowpan_enable(r0, &(0x7f0000000000)='0', 0xfffffd2c) r1 = socket$inet6_sctp(0xa, 0x5, 0x84) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r1, 0x84, 0x9, &(0x7f0000000580)={0x0, @in={{0x2, 0x0, @empty}}, 0x0, 0x0, 0x3fc, 0x0, 0x32}, 0x9c) bind$packet(0xffffffffffffffff, &(0x7f0000000140)={0x11, 0xf0, 0x0, 0x1, 0x0, 0x6, @multicast}, 0x14) sendto$inet6(r1, &(0x7f0000847fff)='X', 0x34000, 0x0, &(0x7f000005ffe4)={0xa, 0x0, 0x0, @loopback}, 0x1c) (fail_nth: 31) [ 791.249103][T12198] RDX: 0000000000034000 RSI: 0000000020847fff RDI: 0000000000000006 [ 791.257070][T12198] RBP: 00007f11d59341d0 R08: 000000002005ffe4 R09: 000000000000001c [ 791.265035][T12198] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001 [ 791.273174][T12198] R13: 00007ffc748eaf8f R14: 00007f11d5934300 R15: 0000000000022000 [ 791.281159][T12198] 18:02:21 executing program 4: prlimit64(0x0, 0xe, &(0x7f0000000140)={0x8, 0x8b}, 0x0) sched_setscheduler(0x0, 0x2, &(0x7f0000000080)=0x8) r0 = getpid() sched_setscheduler(r0, 0x1, &(0x7f0000001700)=0x4) socketpair$unix(0x1, 0x2, 0x0, &(0x7f0000000200)={0xffffffffffffffff, 0xffffffffffffffff}) recvmmsg(r1, &(0x7f00000000c0), 0x10106, 0x2, 0x0) r3 = openat$loop_ctrl(0xffffff9c, &(0x7f0000000040), 0x0, 0x0) sendmmsg(r2, 0x0, 0x0, 0x0) r4 = getpid() sched_setaffinity(r4, 0x8, &(0x7f0000000000)=0x96f) ioctl$LOOP_CTL_ADD(r3, 0x4c80, 0x0) (fail_nth: 9) ioctl$LOOP_CTL_REMOVE(r3, 0x4c81, 0x0) 18:02:21 executing program 0: syz_open_dev$sndmidi(0x0, 0x2, 0x141101) r0 = dup(0xffffffffffffffff) write$6lowpan_enable(r0, &(0x7f0000000000)='0', 0xfffffd2c) syz_open_procfs(0x0, &(0x7f0000000080)='net/dev\x00') r1 = socket$inet6_sctp(0xa, 0x5, 0x84) sendmsg$nl_route(0xffffffffffffffff, 0x0, 0x0) close_range(0xffffffffffffffff, 0xffffffffffffffff, 0x0) sendto$inet6(r1, &(0x7f0000847fff)='X', 0x34000, 0x0, &(0x7f000005ffe4)={0xa, 0x0, 0x0, @loopback}, 0x1c) (fail_nth: 20) 18:02:21 executing program 0: syz_open_dev$sndmidi(0x0, 0x2, 0x141101) r0 = dup(0xffffffffffffffff) write$6lowpan_enable(r0, &(0x7f0000000000)='0', 0xfffffd2c) syz_open_procfs(0x0, &(0x7f0000000080)='net/dev\x00') r1 = socket$inet6_sctp(0xa, 0x5, 0x84) sendmsg$nl_route(0xffffffffffffffff, 0x0, 0x0) close_range(0xffffffffffffffff, 0xffffffffffffffff, 0x0) sendto$inet6(r1, &(0x7f0000847fff)='X', 0x34000, 0x0, &(0x7f000005ffe4)={0xa, 0x0, 0x0, @loopback}, 0x1c) (fail_nth: 21) [ 791.430305][T12211] blk-mq: reduced tag depth (128 -> 64) 18:02:21 executing program 5: prctl$PR_SCHED_CORE(0x3e, 0x1, 0x0, 0x2, 0x0) r0 = syz_open_dev$sndmidi(&(0x7f0000000040), 0x2, 0x141101) r1 = dup(r0) write$6lowpan_enable(r1, &(0x7f0000000000)='0', 0xfffffd2c) tkill(0x0, 0x0) syz_open_procfs(0x0, 0x0) r2 = socket$inet6_sctp(0xa, 0x5, 0x84) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r2, 0x84, 0x9, &(0x7f0000000580)={0x0, @in={{0x2, 0x0, @empty}}, 0x0, 0x0, 0x3fc, 0x0, 0x32}, 0x9c) bind$packet(0xffffffffffffffff, &(0x7f0000000140)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @multicast}, 0x14) close_range(0xffffffffffffffff, 0xffffffffffffffff, 0x0) sendto$inet6(r2, &(0x7f0000847fff)='X', 0x34000, 0x0, &(0x7f000005ffe4)={0xa, 0x0, 0x0, @loopback}, 0x1c) (fail_nth: 8) 18:02:21 executing program 3: r0 = dup(0xffffffffffffffff) write$6lowpan_enable(r0, &(0x7f0000000000)='0', 0xfffffd2c) r1 = socket$inet6_sctp(0xa, 0x5, 0x84) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r1, 0x84, 0x9, &(0x7f0000000580)={0x0, @in={{0x2, 0x0, @empty}}, 0x0, 0x0, 0x3fc, 0x0, 0x32}, 0x9c) bind$packet(0xffffffffffffffff, &(0x7f0000000140)={0x11, 0xf0, 0x0, 0x1, 0x0, 0x6, @multicast}, 0x14) sendto$inet6(r1, &(0x7f0000847fff)='X', 0x34000, 0x0, &(0x7f000005ffe4)={0xa, 0x0, 0x0, @loopback}, 0x1c) (fail_nth: 32) 18:02:21 executing program 2: prctl$PR_SCHED_CORE(0x3e, 0x1, 0x0, 0x2, 0x0) r0 = syz_open_dev$sndmidi(&(0x7f0000000040), 0x2, 0x141101) r1 = dup(r0) write$6lowpan_enable(r1, 0x0, 0x0) syz_open_procfs(0x0, &(0x7f0000000080)='net/dev\x00') r2 = socket$inet6_sctp(0xa, 0x5, 0x84) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r2, 0x84, 0x9, &(0x7f0000000580)={0x0, @in={{0x2, 0x0, @empty}}, 0x0, 0x0, 0x3fc, 0x0, 0x32}, 0x9c) bind$packet(0xffffffffffffffff, &(0x7f0000000140)={0x11, 0xf0, 0x0, 0x1, 0x0, 0x6, @multicast}, 0x14) sendto$inet6(r2, &(0x7f0000847fff)='X', 0x34000, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) (fail_nth: 26) 18:02:21 executing program 0: syz_open_dev$sndmidi(0x0, 0x2, 0x141101) r0 = dup(0xffffffffffffffff) write$6lowpan_enable(r0, &(0x7f0000000000)='0', 0xfffffd2c) syz_open_procfs(0x0, &(0x7f0000000080)='net/dev\x00') r1 = socket$inet6_sctp(0xa, 0x5, 0x84) sendmsg$nl_route(0xffffffffffffffff, 0x0, 0x0) close_range(0xffffffffffffffff, 0xffffffffffffffff, 0x0) sendto$inet6(r1, &(0x7f0000847fff)='X', 0x34000, 0x0, &(0x7f000005ffe4)={0xa, 0x0, 0x0, @loopback}, 0x1c) (fail_nth: 22) 18:02:21 executing program 1: prctl$PR_SCHED_CORE(0x3e, 0x1, 0x0, 0x2, 0x0) r0 = syz_open_dev$sndmidi(&(0x7f0000000040), 0x2, 0x141101) r1 = dup(r0) write$6lowpan_enable(r1, &(0x7f0000000000)='0', 0xfffffd2c) syz_open_procfs(0x0, &(0x7f0000000080)='net/dev\x00') r2 = socket$inet6_sctp(0xa, 0x5, 0x84) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r2, 0x84, 0x9, &(0x7f0000000580)={0x0, @in={{0x2, 0x0, @empty}}, 0x0, 0x0, 0x3fc, 0x0, 0x32}, 0x9c) bind$packet(0xffffffffffffffff, &(0x7f0000000140)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @multicast}, 0x14) sendto$inet6(r2, &(0x7f0000847fff)='X', 0x34000, 0x0, &(0x7f000005ffe4)={0xa, 0x0, 0x0, @loopback}, 0x1c) (fail_nth: 2) 18:02:21 executing program 3: r0 = dup(0xffffffffffffffff) write$6lowpan_enable(r0, &(0x7f0000000000)='0', 0xfffffd2c) r1 = socket$inet6_sctp(0xa, 0x5, 0x84) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r1, 0x84, 0x9, &(0x7f0000000580)={0x0, @in={{0x2, 0x0, @empty}}, 0x0, 0x0, 0x3fc, 0x0, 0x32}, 0x9c) bind$packet(0xffffffffffffffff, &(0x7f0000000140)={0x11, 0xf0, 0x0, 0x1, 0x0, 0x6, @multicast}, 0x14) sendto$inet6(r1, &(0x7f0000847fff)='X', 0x34000, 0x0, &(0x7f000005ffe4)={0xa, 0x0, 0x0, @loopback}, 0x1c) (fail_nth: 33) 18:02:21 executing program 0: syz_open_dev$sndmidi(0x0, 0x2, 0x141101) r0 = dup(0xffffffffffffffff) write$6lowpan_enable(r0, &(0x7f0000000000)='0', 0xfffffd2c) syz_open_procfs(0x0, &(0x7f0000000080)='net/dev\x00') r1 = socket$inet6_sctp(0xa, 0x5, 0x84) sendmsg$nl_route(0xffffffffffffffff, 0x0, 0x0) close_range(0xffffffffffffffff, 0xffffffffffffffff, 0x0) sendto$inet6(r1, &(0x7f0000847fff)='X', 0x34000, 0x0, &(0x7f000005ffe4)={0xa, 0x0, 0x0, @loopback}, 0x1c) (fail_nth: 23) 18:02:22 executing program 2: prctl$PR_SCHED_CORE(0x3e, 0x1, 0x0, 0x2, 0x0) r0 = syz_open_dev$sndmidi(&(0x7f0000000040), 0x2, 0x141101) r1 = dup(r0) write$6lowpan_enable(r1, 0x0, 0x0) syz_open_procfs(0x0, &(0x7f0000000080)='net/dev\x00') r2 = socket$inet6_sctp(0xa, 0x5, 0x84) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r2, 0x84, 0x9, &(0x7f0000000580)={0x0, @in={{0x2, 0x0, @empty}}, 0x0, 0x0, 0x3fc, 0x0, 0x32}, 0x9c) bind$packet(0xffffffffffffffff, &(0x7f0000000140)={0x11, 0xf0, 0x0, 0x1, 0x0, 0x6, @multicast}, 0x14) sendto$inet6(r2, &(0x7f0000847fff)='X', 0x34000, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) (fail_nth: 27) 18:02:22 executing program 0: syz_open_dev$sndmidi(0x0, 0x2, 0x141101) r0 = dup(0xffffffffffffffff) write$6lowpan_enable(r0, &(0x7f0000000000)='0', 0xfffffd2c) syz_open_procfs(0x0, &(0x7f0000000080)='net/dev\x00') r1 = socket$inet6_sctp(0xa, 0x5, 0x84) sendmsg$nl_route(0xffffffffffffffff, 0x0, 0x0) close_range(0xffffffffffffffff, 0xffffffffffffffff, 0x0) sendto$inet6(r1, &(0x7f0000847fff)='X', 0x34000, 0x0, &(0x7f000005ffe4)={0xa, 0x0, 0x0, @loopback}, 0x1c) (fail_nth: 24) 18:02:22 executing program 4: prlimit64(0x0, 0xe, &(0x7f0000000140)={0x8, 0x8b}, 0x0) sched_setscheduler(0x0, 0x2, &(0x7f0000000080)=0x8) r0 = getpid() sched_setscheduler(r0, 0x1, &(0x7f0000001700)=0x4) socketpair$unix(0x1, 0x2, 0x0, &(0x7f0000000200)={0xffffffffffffffff, 0xffffffffffffffff}) recvmmsg(r1, &(0x7f00000000c0), 0x10106, 0x2, 0x0) r3 = openat$loop_ctrl(0xffffff9c, &(0x7f0000000040), 0x0, 0x0) sendmmsg(r2, 0x0, 0x0, 0x0) r4 = getpid() sched_setaffinity(r4, 0x8, &(0x7f0000000000)=0x96f) ioctl$LOOP_CTL_ADD(r3, 0x4c80, 0x0) (fail_nth: 10) ioctl$LOOP_CTL_REMOVE(r3, 0x4c81, 0x0) 18:02:22 executing program 3: r0 = dup(0xffffffffffffffff) write$6lowpan_enable(r0, &(0x7f0000000000)='0', 0xfffffd2c) r1 = socket$inet6_sctp(0xa, 0x5, 0x84) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r1, 0x84, 0x9, &(0x7f0000000580)={0x0, @in={{0x2, 0x0, @empty}}, 0x0, 0x0, 0x3fc, 0x0, 0x32}, 0x9c) bind$packet(0xffffffffffffffff, &(0x7f0000000140)={0x11, 0xf0, 0x0, 0x1, 0x0, 0x6, @multicast}, 0x14) sendto$inet6(r1, &(0x7f0000847fff)='X', 0x34000, 0x0, &(0x7f000005ffe4)={0xa, 0x0, 0x0, @loopback}, 0x1c) (fail_nth: 34) 18:02:22 executing program 0: syz_open_dev$sndmidi(0x0, 0x2, 0x141101) r0 = dup(0xffffffffffffffff) write$6lowpan_enable(r0, &(0x7f0000000000)='0', 0xfffffd2c) syz_open_procfs(0x0, &(0x7f0000000080)='net/dev\x00') r1 = socket$inet6_sctp(0xa, 0x5, 0x84) sendmsg$nl_route(0xffffffffffffffff, 0x0, 0x0) close_range(0xffffffffffffffff, 0xffffffffffffffff, 0x0) sendto$inet6(r1, &(0x7f0000847fff)='X', 0x34000, 0x0, &(0x7f000005ffe4)={0xa, 0x0, 0x0, @loopback}, 0x1c) (fail_nth: 25) [ 792.311343][T12240] blk-mq: reduced tag depth (128 -> 64) [ 792.378398][T10795] udevd[10795]: inotify_add_watch(7, /dev/loop0, 10) failed: No such file or directory 18:02:22 executing program 5: prctl$PR_SCHED_CORE(0x3e, 0x1, 0x0, 0x2, 0x0) r0 = syz_open_dev$sndmidi(&(0x7f0000000040), 0x2, 0x141101) r1 = dup(r0) write$6lowpan_enable(r1, &(0x7f0000000000)='0', 0xfffffd2c) tkill(0x0, 0x0) syz_open_procfs(0x0, 0x0) r2 = socket$inet6_sctp(0xa, 0x5, 0x84) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r2, 0x84, 0x9, &(0x7f0000000580)={0x0, @in={{0x2, 0x0, @empty}}, 0x0, 0x0, 0x3fc, 0x0, 0x32}, 0x9c) bind$packet(0xffffffffffffffff, &(0x7f0000000140)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @multicast}, 0x14) close_range(0xffffffffffffffff, 0xffffffffffffffff, 0x0) sendto$inet6(r2, &(0x7f0000847fff)='X', 0x34000, 0x0, &(0x7f000005ffe4)={0xa, 0x0, 0x0, @loopback}, 0x1c) (fail_nth: 9) 18:02:22 executing program 2: prctl$PR_SCHED_CORE(0x3e, 0x1, 0x0, 0x2, 0x0) r0 = syz_open_dev$sndmidi(&(0x7f0000000040), 0x2, 0x141101) r1 = dup(r0) write$6lowpan_enable(r1, 0x0, 0x0) syz_open_procfs(0x0, &(0x7f0000000080)='net/dev\x00') r2 = socket$inet6_sctp(0xa, 0x5, 0x84) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r2, 0x84, 0x9, &(0x7f0000000580)={0x0, @in={{0x2, 0x0, @empty}}, 0x0, 0x0, 0x3fc, 0x0, 0x32}, 0x9c) bind$packet(0xffffffffffffffff, &(0x7f0000000140)={0x11, 0xf0, 0x0, 0x1, 0x0, 0x6, @multicast}, 0x14) sendto$inet6(r2, &(0x7f0000847fff)='X', 0x34000, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) (fail_nth: 28) 18:02:22 executing program 3: r0 = dup(0xffffffffffffffff) write$6lowpan_enable(r0, &(0x7f0000000000)='0', 0xfffffd2c) r1 = socket$inet6_sctp(0xa, 0x5, 0x84) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r1, 0x84, 0x9, &(0x7f0000000580)={0x0, @in={{0x2, 0x0, @empty}}, 0x0, 0x0, 0x3fc, 0x0, 0x32}, 0x9c) bind$packet(0xffffffffffffffff, &(0x7f0000000140)={0x11, 0xf0, 0x0, 0x1, 0x0, 0x6, @multicast}, 0x14) sendto$inet6(r1, &(0x7f0000847fff)='X', 0x34000, 0x0, &(0x7f000005ffe4)={0xa, 0x0, 0x0, @loopback}, 0x1c) (fail_nth: 35) 18:02:22 executing program 0: syz_open_dev$sndmidi(0x0, 0x2, 0x141101) r0 = dup(0xffffffffffffffff) write$6lowpan_enable(r0, &(0x7f0000000000)='0', 0xfffffd2c) syz_open_procfs(0x0, &(0x7f0000000080)='net/dev\x00') r1 = socket$inet6_sctp(0xa, 0x5, 0x84) sendmsg$nl_route(0xffffffffffffffff, 0x0, 0x0) close_range(0xffffffffffffffff, 0xffffffffffffffff, 0x0) sendto$inet6(r1, &(0x7f0000847fff)='X', 0x34000, 0x0, &(0x7f000005ffe4)={0xa, 0x0, 0x0, @loopback}, 0x1c) (fail_nth: 26) 18:02:22 executing program 1: prctl$PR_SCHED_CORE(0x3e, 0x1, 0x0, 0x2, 0x0) r0 = syz_open_dev$sndmidi(&(0x7f0000000040), 0x2, 0x141101) r1 = dup(r0) write$6lowpan_enable(r1, &(0x7f0000000000)='0', 0xfffffd2c) syz_open_procfs(0x0, &(0x7f0000000080)='net/dev\x00') r2 = socket$inet6_sctp(0xa, 0x5, 0x84) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r2, 0x84, 0x9, &(0x7f0000000580)={0x0, @in={{0x2, 0x0, @empty}}, 0x0, 0x0, 0x3fc, 0x0, 0x32}, 0x9c) bind$packet(0xffffffffffffffff, &(0x7f0000000140)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @multicast}, 0x14) sendto$inet6(r2, &(0x7f0000847fff)='X', 0x34000, 0x0, &(0x7f000005ffe4)={0xa, 0x0, 0x0, @loopback}, 0x1c) (fail_nth: 3) 18:02:22 executing program 2: prctl$PR_SCHED_CORE(0x3e, 0x1, 0x0, 0x2, 0x0) r0 = syz_open_dev$sndmidi(&(0x7f0000000040), 0x2, 0x141101) r1 = dup(r0) write$6lowpan_enable(r1, 0x0, 0x0) syz_open_procfs(0x0, &(0x7f0000000080)='net/dev\x00') r2 = socket$inet6_sctp(0xa, 0x5, 0x84) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r2, 0x84, 0x9, &(0x7f0000000580)={0x0, @in={{0x2, 0x0, @empty}}, 0x0, 0x0, 0x3fc, 0x0, 0x32}, 0x9c) bind$packet(0xffffffffffffffff, &(0x7f0000000140)={0x11, 0xf0, 0x0, 0x1, 0x0, 0x6, @multicast}, 0x14) sendto$inet6(r2, &(0x7f0000847fff)='X', 0x34000, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) (fail_nth: 29) 18:02:22 executing program 3: r0 = dup(0xffffffffffffffff) write$6lowpan_enable(r0, &(0x7f0000000000)='0', 0xfffffd2c) r1 = socket$inet6_sctp(0xa, 0x5, 0x84) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r1, 0x84, 0x9, &(0x7f0000000580)={0x0, @in={{0x2, 0x0, @empty}}, 0x0, 0x0, 0x3fc, 0x0, 0x32}, 0x9c) bind$packet(0xffffffffffffffff, &(0x7f0000000140)={0x11, 0xf0, 0x0, 0x1, 0x0, 0x6, @multicast}, 0x14) sendto$inet6(r1, &(0x7f0000847fff)='X', 0x34000, 0x0, &(0x7f000005ffe4)={0xa, 0x0, 0x0, @loopback}, 0x1c) (fail_nth: 36) 18:02:22 executing program 0: syz_open_dev$sndmidi(0x0, 0x2, 0x141101) r0 = dup(0xffffffffffffffff) write$6lowpan_enable(r0, &(0x7f0000000000)='0', 0xfffffd2c) syz_open_procfs(0x0, &(0x7f0000000080)='net/dev\x00') r1 = socket$inet6_sctp(0xa, 0x5, 0x84) sendmsg$nl_route(0xffffffffffffffff, 0x0, 0x0) close_range(0xffffffffffffffff, 0xffffffffffffffff, 0x0) sendto$inet6(r1, &(0x7f0000847fff)='X', 0x34000, 0x0, &(0x7f000005ffe4)={0xa, 0x0, 0x0, @loopback}, 0x1c) (fail_nth: 27) 18:02:23 executing program 4: prlimit64(0x0, 0xe, &(0x7f0000000140)={0x8, 0x8b}, 0x0) sched_setscheduler(0x0, 0x2, &(0x7f0000000080)=0x8) r0 = getpid() sched_setscheduler(r0, 0x1, &(0x7f0000001700)=0x4) socketpair$unix(0x1, 0x2, 0x0, &(0x7f0000000200)={0xffffffffffffffff, 0xffffffffffffffff}) recvmmsg(r1, &(0x7f00000000c0), 0x10106, 0x2, 0x0) r3 = openat$loop_ctrl(0xffffff9c, &(0x7f0000000040), 0x0, 0x0) sendmmsg(r2, 0x0, 0x0, 0x0) r4 = getpid() sched_setaffinity(r4, 0x8, &(0x7f0000000000)=0x96f) ioctl$LOOP_CTL_ADD(r3, 0x4c80, 0x0) (fail_nth: 11) ioctl$LOOP_CTL_REMOVE(r3, 0x4c81, 0x0) 18:02:23 executing program 3: r0 = dup(0xffffffffffffffff) write$6lowpan_enable(r0, &(0x7f0000000000)='0', 0xfffffd2c) r1 = socket$inet6_sctp(0xa, 0x5, 0x84) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r1, 0x84, 0x9, &(0x7f0000000580)={0x0, @in={{0x2, 0x0, @empty}}, 0x0, 0x0, 0x3fc, 0x0, 0x32}, 0x9c) bind$packet(0xffffffffffffffff, &(0x7f0000000140)={0x11, 0xf0, 0x0, 0x1, 0x0, 0x6, @multicast}, 0x14) sendto$inet6(r1, &(0x7f0000847fff)='X', 0x34000, 0x0, &(0x7f000005ffe4)={0xa, 0x0, 0x0, @loopback}, 0x1c) (fail_nth: 37) 18:02:23 executing program 2: prctl$PR_SCHED_CORE(0x3e, 0x1, 0x0, 0x2, 0x0) r0 = syz_open_dev$sndmidi(&(0x7f0000000040), 0x2, 0x141101) r1 = dup(r0) write$6lowpan_enable(r1, 0x0, 0x0) syz_open_procfs(0x0, &(0x7f0000000080)='net/dev\x00') r2 = socket$inet6_sctp(0xa, 0x5, 0x84) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r2, 0x84, 0x9, &(0x7f0000000580)={0x0, @in={{0x2, 0x0, @empty}}, 0x0, 0x0, 0x3fc, 0x0, 0x32}, 0x9c) bind$packet(0xffffffffffffffff, &(0x7f0000000140)={0x11, 0xf0, 0x0, 0x1, 0x0, 0x6, @multicast}, 0x14) sendto$inet6(r2, &(0x7f0000847fff)='X', 0x34000, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) (fail_nth: 30) 18:02:23 executing program 0: syz_open_dev$sndmidi(0x0, 0x2, 0x141101) r0 = dup(0xffffffffffffffff) write$6lowpan_enable(r0, &(0x7f0000000000)='0', 0xfffffd2c) syz_open_procfs(0x0, &(0x7f0000000080)='net/dev\x00') r1 = socket$inet6_sctp(0xa, 0x5, 0x84) sendmsg$nl_route(0xffffffffffffffff, 0x0, 0x0) close_range(0xffffffffffffffff, 0xffffffffffffffff, 0x0) sendto$inet6(r1, &(0x7f0000847fff)='X', 0x34000, 0x0, &(0x7f000005ffe4)={0xa, 0x0, 0x0, @loopback}, 0x1c) (fail_nth: 28) [ 793.202600][T12262] blk-mq: reduced tag depth (128 -> 64) [ 793.297871][T10795] udevd[10795]: inotify_add_watch(7, /dev/loop0, 10) failed: No such file or directory 18:02:23 executing program 5: prctl$PR_SCHED_CORE(0x3e, 0x1, 0x0, 0x2, 0x0) r0 = syz_open_dev$sndmidi(&(0x7f0000000040), 0x2, 0x141101) r1 = dup(r0) write$6lowpan_enable(r1, &(0x7f0000000000)='0', 0xfffffd2c) tkill(0x0, 0x0) syz_open_procfs(0x0, 0x0) r2 = socket$inet6_sctp(0xa, 0x5, 0x84) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r2, 0x84, 0x9, &(0x7f0000000580)={0x0, @in={{0x2, 0x0, @empty}}, 0x0, 0x0, 0x3fc, 0x0, 0x32}, 0x9c) bind$packet(0xffffffffffffffff, &(0x7f0000000140)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @multicast}, 0x14) close_range(0xffffffffffffffff, 0xffffffffffffffff, 0x0) sendto$inet6(r2, &(0x7f0000847fff)='X', 0x34000, 0x0, &(0x7f000005ffe4)={0xa, 0x0, 0x0, @loopback}, 0x1c) (fail_nth: 10) 18:02:23 executing program 2: prctl$PR_SCHED_CORE(0x3e, 0x1, 0x0, 0x2, 0x0) r0 = syz_open_dev$sndmidi(&(0x7f0000000040), 0x2, 0x141101) r1 = dup(r0) write$6lowpan_enable(r1, 0x0, 0x0) syz_open_procfs(0x0, &(0x7f0000000080)='net/dev\x00') r2 = socket$inet6_sctp(0xa, 0x5, 0x84) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r2, 0x84, 0x9, &(0x7f0000000580)={0x0, @in={{0x2, 0x0, @empty}}, 0x0, 0x0, 0x3fc, 0x0, 0x32}, 0x9c) bind$packet(0xffffffffffffffff, &(0x7f0000000140)={0x11, 0xf0, 0x0, 0x1, 0x0, 0x6, @multicast}, 0x14) sendto$inet6(r2, &(0x7f0000847fff)='X', 0x34000, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) (fail_nth: 31) 18:02:23 executing program 3: r0 = dup(0xffffffffffffffff) write$6lowpan_enable(r0, &(0x7f0000000000)='0', 0xfffffd2c) r1 = socket$inet6_sctp(0xa, 0x5, 0x84) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r1, 0x84, 0x9, &(0x7f0000000580)={0x0, @in={{0x2, 0x0, @empty}}, 0x0, 0x0, 0x3fc, 0x0, 0x32}, 0x9c) bind$packet(0xffffffffffffffff, &(0x7f0000000140)={0x11, 0xf0, 0x0, 0x1, 0x0, 0x6, @multicast}, 0x14) sendto$inet6(r1, &(0x7f0000847fff)='X', 0x34000, 0x0, &(0x7f000005ffe4)={0xa, 0x0, 0x0, @loopback}, 0x1c) (fail_nth: 38) 18:02:23 executing program 0: syz_open_dev$sndmidi(0x0, 0x2, 0x141101) r0 = dup(0xffffffffffffffff) write$6lowpan_enable(r0, &(0x7f0000000000)='0', 0xfffffd2c) syz_open_procfs(0x0, &(0x7f0000000080)='net/dev\x00') r1 = socket$inet6_sctp(0xa, 0x5, 0x84) sendmsg$nl_route(0xffffffffffffffff, 0x0, 0x0) close_range(0xffffffffffffffff, 0xffffffffffffffff, 0x0) sendto$inet6(r1, &(0x7f0000847fff)='X', 0x34000, 0x0, &(0x7f000005ffe4)={0xa, 0x0, 0x0, @loopback}, 0x1c) (fail_nth: 29) 18:02:23 executing program 1: prctl$PR_SCHED_CORE(0x3e, 0x1, 0x0, 0x2, 0x0) r0 = syz_open_dev$sndmidi(&(0x7f0000000040), 0x2, 0x141101) r1 = dup(r0) write$6lowpan_enable(r1, &(0x7f0000000000)='0', 0xfffffd2c) syz_open_procfs(0x0, &(0x7f0000000080)='net/dev\x00') r2 = socket$inet6_sctp(0xa, 0x5, 0x84) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r2, 0x84, 0x9, &(0x7f0000000580)={0x0, @in={{0x2, 0x0, @empty}}, 0x0, 0x0, 0x3fc, 0x0, 0x32}, 0x9c) bind$packet(0xffffffffffffffff, &(0x7f0000000140)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @multicast}, 0x14) sendto$inet6(r2, &(0x7f0000847fff)='X', 0x34000, 0x0, &(0x7f000005ffe4)={0xa, 0x0, 0x0, @loopback}, 0x1c) (fail_nth: 4) 18:02:23 executing program 3: r0 = dup(0xffffffffffffffff) write$6lowpan_enable(r0, &(0x7f0000000000)='0', 0xfffffd2c) r1 = socket$inet6_sctp(0xa, 0x5, 0x84) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r1, 0x84, 0x9, &(0x7f0000000580)={0x0, @in={{0x2, 0x0, @empty}}, 0x0, 0x0, 0x3fc, 0x0, 0x32}, 0x9c) bind$packet(0xffffffffffffffff, &(0x7f0000000140)={0x11, 0xf0, 0x0, 0x1, 0x0, 0x6, @multicast}, 0x14) sendto$inet6(r1, &(0x7f0000847fff)='X', 0x34000, 0x0, &(0x7f000005ffe4)={0xa, 0x0, 0x0, @loopback}, 0x1c) (fail_nth: 39) 18:02:23 executing program 0: syz_open_dev$sndmidi(0x0, 0x2, 0x141101) r0 = dup(0xffffffffffffffff) write$6lowpan_enable(r0, &(0x7f0000000000)='0', 0xfffffd2c) syz_open_procfs(0x0, &(0x7f0000000080)='net/dev\x00') r1 = socket$inet6_sctp(0xa, 0x5, 0x84) sendmsg$nl_route(0xffffffffffffffff, 0x0, 0x0) close_range(0xffffffffffffffff, 0xffffffffffffffff, 0x0) sendto$inet6(r1, &(0x7f0000847fff)='X', 0x34000, 0x0, &(0x7f000005ffe4)={0xa, 0x0, 0x0, @loopback}, 0x1c) (fail_nth: 30) 18:02:23 executing program 0: syz_open_dev$sndmidi(0x0, 0x2, 0x141101) r0 = dup(0xffffffffffffffff) write$6lowpan_enable(r0, &(0x7f0000000000)='0', 0xfffffd2c) syz_open_procfs(0x0, &(0x7f0000000080)='net/dev\x00') r1 = socket$inet6_sctp(0xa, 0x5, 0x84) sendmsg$nl_route(0xffffffffffffffff, 0x0, 0x0) close_range(0xffffffffffffffff, 0xffffffffffffffff, 0x0) sendto$inet6(r1, &(0x7f0000847fff)='X', 0x34000, 0x0, &(0x7f000005ffe4)={0xa, 0x0, 0x0, @loopback}, 0x1c) (fail_nth: 31) 18:02:23 executing program 4: prlimit64(0x0, 0xe, &(0x7f0000000140)={0x8, 0x8b}, 0x0) sched_setscheduler(0x0, 0x2, &(0x7f0000000080)=0x8) r0 = getpid() sched_setscheduler(r0, 0x1, &(0x7f0000001700)=0x4) socketpair$unix(0x1, 0x2, 0x0, &(0x7f0000000200)={0xffffffffffffffff, 0xffffffffffffffff}) recvmmsg(r1, &(0x7f00000000c0), 0x10106, 0x2, 0x0) r3 = openat$loop_ctrl(0xffffff9c, &(0x7f0000000040), 0x0, 0x0) sendmmsg(r2, 0x0, 0x0, 0x0) r4 = getpid() sched_setaffinity(r4, 0x8, &(0x7f0000000000)=0x96f) ioctl$LOOP_CTL_ADD(r3, 0x4c80, 0x0) (fail_nth: 12) ioctl$LOOP_CTL_REMOVE(r3, 0x4c81, 0x0) 18:02:23 executing program 3: r0 = dup(0xffffffffffffffff) write$6lowpan_enable(r0, &(0x7f0000000000)='0', 0xfffffd2c) r1 = socket$inet6_sctp(0xa, 0x5, 0x84) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r1, 0x84, 0x9, &(0x7f0000000580)={0x0, @in={{0x2, 0x0, @empty}}, 0x0, 0x0, 0x3fc, 0x0, 0x32}, 0x9c) bind$packet(0xffffffffffffffff, &(0x7f0000000140)={0x11, 0xf0, 0x0, 0x1, 0x0, 0x6, @multicast}, 0x14) sendto$inet6(r1, &(0x7f0000847fff)='X', 0x34000, 0x0, &(0x7f000005ffe4)={0xa, 0x0, 0x0, @loopback}, 0x1c) (fail_nth: 40) 18:02:23 executing program 0: syz_open_dev$sndmidi(0x0, 0x2, 0x141101) r0 = dup(0xffffffffffffffff) write$6lowpan_enable(r0, &(0x7f0000000000)='0', 0xfffffd2c) syz_open_procfs(0x0, &(0x7f0000000080)='net/dev\x00') r1 = socket$inet6_sctp(0xa, 0x5, 0x84) sendmsg$nl_route(0xffffffffffffffff, 0x0, 0x0) close_range(0xffffffffffffffff, 0xffffffffffffffff, 0x0) sendto$inet6(r1, &(0x7f0000847fff)='X', 0x34000, 0x0, &(0x7f000005ffe4)={0xa, 0x0, 0x0, @loopback}, 0x1c) (fail_nth: 32) 18:02:23 executing program 2: prctl$PR_SCHED_CORE(0x3e, 0x1, 0x0, 0x2, 0x0) r0 = syz_open_dev$sndmidi(&(0x7f0000000040), 0x2, 0x141101) r1 = dup(r0) write$6lowpan_enable(r1, 0x0, 0x0) syz_open_procfs(0x0, &(0x7f0000000080)='net/dev\x00') r2 = socket$inet6_sctp(0xa, 0x5, 0x84) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r2, 0x84, 0x9, &(0x7f0000000580)={0x0, @in={{0x2, 0x0, @empty}}, 0x0, 0x0, 0x3fc, 0x0, 0x32}, 0x9c) bind$packet(0xffffffffffffffff, &(0x7f0000000140)={0x11, 0xf0, 0x0, 0x1, 0x0, 0x6, @multicast}, 0x14) sendto$inet6(r2, &(0x7f0000847fff)='X', 0x34000, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) (fail_nth: 32) [ 794.094984][T10795] udevd[10795]: inotify_add_watch(7, /dev/loop0, 10) failed: No such file or directory 18:02:24 executing program 2: prctl$PR_SCHED_CORE(0x3e, 0x1, 0x0, 0x2, 0x0) r0 = syz_open_dev$sndmidi(&(0x7f0000000040), 0x2, 0x141101) r1 = dup(r0) write$6lowpan_enable(r1, 0x0, 0x0) syz_open_procfs(0x0, &(0x7f0000000080)='net/dev\x00') r2 = socket$inet6_sctp(0xa, 0x5, 0x84) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r2, 0x84, 0x9, &(0x7f0000000580)={0x0, @in={{0x2, 0x0, @empty}}, 0x0, 0x0, 0x3fc, 0x0, 0x32}, 0x9c) bind$packet(0xffffffffffffffff, &(0x7f0000000140)={0x11, 0xf0, 0x0, 0x1, 0x0, 0x6, @multicast}, 0x14) sendto$inet6(r2, &(0x7f0000847fff)='X', 0x34000, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) (fail_nth: 33) 18:02:24 executing program 3: r0 = dup(0xffffffffffffffff) write$6lowpan_enable(r0, &(0x7f0000000000)='0', 0xfffffd2c) r1 = socket$inet6_sctp(0xa, 0x5, 0x84) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r1, 0x84, 0x9, &(0x7f0000000580)={0x0, @in={{0x2, 0x0, @empty}}, 0x0, 0x0, 0x3fc, 0x0, 0x32}, 0x9c) bind$packet(0xffffffffffffffff, &(0x7f0000000140)={0x11, 0xf0, 0x0, 0x1, 0x0, 0x6, @multicast}, 0x14) sendto$inet6(r1, &(0x7f0000847fff)='X', 0x34000, 0x0, &(0x7f000005ffe4)={0xa, 0x0, 0x0, @loopback}, 0x1c) (fail_nth: 41) 18:02:24 executing program 0: syz_open_dev$sndmidi(0x0, 0x2, 0x141101) r0 = dup(0xffffffffffffffff) write$6lowpan_enable(r0, &(0x7f0000000000)='0', 0xfffffd2c) syz_open_procfs(0x0, &(0x7f0000000080)='net/dev\x00') r1 = socket$inet6_sctp(0xa, 0x5, 0x84) sendmsg$nl_route(0xffffffffffffffff, 0x0, 0x0) close_range(0xffffffffffffffff, 0xffffffffffffffff, 0x0) sendto$inet6(r1, &(0x7f0000847fff)='X', 0x34000, 0x0, &(0x7f000005ffe4)={0xa, 0x0, 0x0, @loopback}, 0x1c) (fail_nth: 33) 18:02:24 executing program 5: prctl$PR_SCHED_CORE(0x3e, 0x1, 0x0, 0x2, 0x0) r0 = syz_open_dev$sndmidi(&(0x7f0000000040), 0x2, 0x141101) r1 = dup(r0) write$6lowpan_enable(r1, &(0x7f0000000000)='0', 0xfffffd2c) tkill(0x0, 0x0) syz_open_procfs(0x0, 0x0) r2 = socket$inet6_sctp(0xa, 0x5, 0x84) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r2, 0x84, 0x9, &(0x7f0000000580)={0x0, @in={{0x2, 0x0, @empty}}, 0x0, 0x0, 0x3fc, 0x0, 0x32}, 0x9c) bind$packet(0xffffffffffffffff, &(0x7f0000000140)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @multicast}, 0x14) close_range(0xffffffffffffffff, 0xffffffffffffffff, 0x0) sendto$inet6(r2, &(0x7f0000847fff)='X', 0x34000, 0x0, &(0x7f000005ffe4)={0xa, 0x0, 0x0, @loopback}, 0x1c) (fail_nth: 11) 18:02:24 executing program 1: prctl$PR_SCHED_CORE(0x3e, 0x1, 0x0, 0x2, 0x0) r0 = syz_open_dev$sndmidi(&(0x7f0000000040), 0x2, 0x141101) r1 = dup(r0) write$6lowpan_enable(r1, &(0x7f0000000000)='0', 0xfffffd2c) syz_open_procfs(0x0, &(0x7f0000000080)='net/dev\x00') r2 = socket$inet6_sctp(0xa, 0x5, 0x84) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r2, 0x84, 0x9, &(0x7f0000000580)={0x0, @in={{0x2, 0x0, @empty}}, 0x0, 0x0, 0x3fc, 0x0, 0x32}, 0x9c) bind$packet(0xffffffffffffffff, &(0x7f0000000140)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @multicast}, 0x14) sendto$inet6(r2, &(0x7f0000847fff)='X', 0x34000, 0x0, &(0x7f000005ffe4)={0xa, 0x0, 0x0, @loopback}, 0x1c) (fail_nth: 5) 18:02:24 executing program 2: prctl$PR_SCHED_CORE(0x3e, 0x1, 0x0, 0x2, 0x0) r0 = syz_open_dev$sndmidi(&(0x7f0000000040), 0x2, 0x141101) r1 = dup(r0) write$6lowpan_enable(r1, 0x0, 0x0) syz_open_procfs(0x0, &(0x7f0000000080)='net/dev\x00') r2 = socket$inet6_sctp(0xa, 0x5, 0x84) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r2, 0x84, 0x9, &(0x7f0000000580)={0x0, @in={{0x2, 0x0, @empty}}, 0x0, 0x0, 0x3fc, 0x0, 0x32}, 0x9c) bind$packet(0xffffffffffffffff, &(0x7f0000000140)={0x11, 0xf0, 0x0, 0x1, 0x0, 0x6, @multicast}, 0x14) sendto$inet6(r2, &(0x7f0000847fff)='X', 0x34000, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) (fail_nth: 34) 18:02:24 executing program 0: syz_open_dev$sndmidi(0x0, 0x2, 0x141101) r0 = dup(0xffffffffffffffff) write$6lowpan_enable(r0, &(0x7f0000000000)='0', 0xfffffd2c) syz_open_procfs(0x0, &(0x7f0000000080)='net/dev\x00') r1 = socket$inet6_sctp(0xa, 0x5, 0x84) sendmsg$nl_route(0xffffffffffffffff, 0x0, 0x0) close_range(0xffffffffffffffff, 0xffffffffffffffff, 0x0) sendto$inet6(r1, &(0x7f0000847fff)='X', 0x34000, 0x0, &(0x7f000005ffe4)={0xa, 0x0, 0x0, @loopback}, 0x1c) (fail_nth: 34) 18:02:24 executing program 3: r0 = dup(0xffffffffffffffff) write$6lowpan_enable(r0, &(0x7f0000000000)='0', 0xfffffd2c) r1 = socket$inet6_sctp(0xa, 0x5, 0x84) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r1, 0x84, 0x9, &(0x7f0000000580)={0x0, @in={{0x2, 0x0, @empty}}, 0x0, 0x0, 0x3fc, 0x0, 0x32}, 0x9c) bind$packet(0xffffffffffffffff, &(0x7f0000000140)={0x11, 0xf0, 0x0, 0x1, 0x0, 0x6, @multicast}, 0x14) sendto$inet6(r1, &(0x7f0000847fff)='X', 0x34000, 0x0, &(0x7f000005ffe4)={0xa, 0x0, 0x0, @loopback}, 0x1c) (fail_nth: 42) 18:02:24 executing program 4: prlimit64(0x0, 0xe, &(0x7f0000000140)={0x8, 0x8b}, 0x0) sched_setscheduler(0x0, 0x2, &(0x7f0000000080)=0x8) r0 = getpid() sched_setscheduler(r0, 0x1, &(0x7f0000001700)=0x4) socketpair$unix(0x1, 0x2, 0x0, &(0x7f0000000200)={0xffffffffffffffff, 0xffffffffffffffff}) recvmmsg(r1, &(0x7f00000000c0), 0x10106, 0x2, 0x0) r3 = openat$loop_ctrl(0xffffff9c, &(0x7f0000000040), 0x0, 0x0) sendmmsg(r2, 0x0, 0x0, 0x0) r4 = getpid() sched_setaffinity(r4, 0x8, &(0x7f0000000000)=0x96f) ioctl$LOOP_CTL_ADD(r3, 0x4c80, 0x0) (fail_nth: 13) ioctl$LOOP_CTL_REMOVE(r3, 0x4c81, 0x0) 18:02:24 executing program 2: prctl$PR_SCHED_CORE(0x3e, 0x1, 0x0, 0x2, 0x0) r0 = syz_open_dev$sndmidi(&(0x7f0000000040), 0x2, 0x141101) r1 = dup(r0) write$6lowpan_enable(r1, 0x0, 0x0) syz_open_procfs(0x0, &(0x7f0000000080)='net/dev\x00') r2 = socket$inet6_sctp(0xa, 0x5, 0x84) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r2, 0x84, 0x9, &(0x7f0000000580)={0x0, @in={{0x2, 0x0, @empty}}, 0x0, 0x0, 0x3fc, 0x0, 0x32}, 0x9c) bind$packet(0xffffffffffffffff, &(0x7f0000000140)={0x11, 0xf0, 0x0, 0x1, 0x0, 0x6, @multicast}, 0x14) sendto$inet6(r2, &(0x7f0000847fff)='X', 0x34000, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) (fail_nth: 35) 18:02:24 executing program 2: prctl$PR_SCHED_CORE(0x3e, 0x1, 0x0, 0x2, 0x0) r0 = syz_open_dev$sndmidi(&(0x7f0000000040), 0x2, 0x141101) r1 = dup(r0) write$6lowpan_enable(r1, 0x0, 0x0) syz_open_procfs(0x0, &(0x7f0000000080)='net/dev\x00') r2 = socket$inet6_sctp(0xa, 0x5, 0x84) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r2, 0x84, 0x9, &(0x7f0000000580)={0x0, @in={{0x2, 0x0, @empty}}, 0x0, 0x0, 0x3fc, 0x0, 0x32}, 0x9c) bind$packet(0xffffffffffffffff, &(0x7f0000000140)={0x11, 0xf0, 0x0, 0x1, 0x0, 0x6, @multicast}, 0x14) sendto$inet6(r2, &(0x7f0000847fff)='X', 0x34000, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) (fail_nth: 36) 18:02:24 executing program 0: syz_open_dev$sndmidi(0x0, 0x2, 0x141101) r0 = dup(0xffffffffffffffff) write$6lowpan_enable(r0, &(0x7f0000000000)='0', 0xfffffd2c) syz_open_procfs(0x0, &(0x7f0000000080)='net/dev\x00') r1 = socket$inet6_sctp(0xa, 0x5, 0x84) sendmsg$nl_route(0xffffffffffffffff, 0x0, 0x0) close_range(0xffffffffffffffff, 0xffffffffffffffff, 0x0) sendto$inet6(r1, &(0x7f0000847fff)='X', 0x34000, 0x0, &(0x7f000005ffe4)={0xa, 0x0, 0x0, @loopback}, 0x1c) (fail_nth: 35) 18:02:24 executing program 3: r0 = dup(0xffffffffffffffff) write$6lowpan_enable(r0, &(0x7f0000000000)='0', 0xfffffd2c) r1 = socket$inet6_sctp(0xa, 0x5, 0x84) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r1, 0x84, 0x9, &(0x7f0000000580)={0x0, @in={{0x2, 0x0, @empty}}, 0x0, 0x0, 0x3fc, 0x0, 0x32}, 0x9c) bind$packet(0xffffffffffffffff, &(0x7f0000000140)={0x11, 0xf0, 0x0, 0x1, 0x0, 0x6, @multicast}, 0x14) sendto$inet6(r1, &(0x7f0000847fff)='X', 0x34000, 0x0, &(0x7f000005ffe4)={0xa, 0x0, 0x0, @loopback}, 0x1c) (fail_nth: 43) 18:02:25 executing program 0: syz_open_dev$sndmidi(0x0, 0x2, 0x141101) r0 = dup(0xffffffffffffffff) write$6lowpan_enable(r0, &(0x7f0000000000)='0', 0xfffffd2c) syz_open_procfs(0x0, &(0x7f0000000080)='net/dev\x00') r1 = socket$inet6_sctp(0xa, 0x5, 0x84) sendmsg$nl_route(0xffffffffffffffff, 0x0, 0x0) close_range(0xffffffffffffffff, 0xffffffffffffffff, 0x0) sendto$inet6(r1, &(0x7f0000847fff)='X', 0x34000, 0x0, &(0x7f000005ffe4)={0xa, 0x0, 0x0, @loopback}, 0x1c) (fail_nth: 36) 18:02:25 executing program 2: prctl$PR_SCHED_CORE(0x3e, 0x1, 0x0, 0x2, 0x0) r0 = syz_open_dev$sndmidi(&(0x7f0000000040), 0x2, 0x141101) r1 = dup(r0) write$6lowpan_enable(r1, 0x0, 0x0) syz_open_procfs(0x0, &(0x7f0000000080)='net/dev\x00') r2 = socket$inet6_sctp(0xa, 0x5, 0x84) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r2, 0x84, 0x9, &(0x7f0000000580)={0x0, @in={{0x2, 0x0, @empty}}, 0x0, 0x0, 0x3fc, 0x0, 0x32}, 0x9c) bind$packet(0xffffffffffffffff, &(0x7f0000000140)={0x11, 0xf0, 0x0, 0x1, 0x0, 0x6, @multicast}, 0x14) sendto$inet6(r2, &(0x7f0000847fff)='X', 0x34000, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) (fail_nth: 37) 18:02:25 executing program 3: r0 = dup(0xffffffffffffffff) write$6lowpan_enable(r0, &(0x7f0000000000)='0', 0xfffffd2c) r1 = socket$inet6_sctp(0xa, 0x5, 0x84) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r1, 0x84, 0x9, &(0x7f0000000580)={0x0, @in={{0x2, 0x0, @empty}}, 0x0, 0x0, 0x3fc, 0x0, 0x32}, 0x9c) bind$packet(0xffffffffffffffff, &(0x7f0000000140)={0x11, 0xf0, 0x0, 0x1, 0x0, 0x6, @multicast}, 0x14) sendto$inet6(r1, &(0x7f0000847fff)='X', 0x34000, 0x0, &(0x7f000005ffe4)={0xa, 0x0, 0x0, @loopback}, 0x1c) (fail_nth: 44) 18:02:25 executing program 1: prctl$PR_SCHED_CORE(0x3e, 0x1, 0x0, 0x2, 0x0) r0 = syz_open_dev$sndmidi(&(0x7f0000000040), 0x2, 0x141101) r1 = dup(r0) write$6lowpan_enable(r1, &(0x7f0000000000)='0', 0xfffffd2c) syz_open_procfs(0x0, &(0x7f0000000080)='net/dev\x00') r2 = socket$inet6_sctp(0xa, 0x5, 0x84) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r2, 0x84, 0x9, &(0x7f0000000580)={0x0, @in={{0x2, 0x0, @empty}}, 0x0, 0x0, 0x3fc, 0x0, 0x32}, 0x9c) bind$packet(0xffffffffffffffff, &(0x7f0000000140)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @multicast}, 0x14) sendto$inet6(r2, &(0x7f0000847fff)='X', 0x34000, 0x0, &(0x7f000005ffe4)={0xa, 0x0, 0x0, @loopback}, 0x1c) (fail_nth: 6) 18:02:25 executing program 0: syz_open_dev$sndmidi(0x0, 0x2, 0x141101) r0 = dup(0xffffffffffffffff) write$6lowpan_enable(r0, &(0x7f0000000000)='0', 0xfffffd2c) syz_open_procfs(0x0, &(0x7f0000000080)='net/dev\x00') r1 = socket$inet6_sctp(0xa, 0x5, 0x84) sendmsg$nl_route(0xffffffffffffffff, 0x0, 0x0) close_range(0xffffffffffffffff, 0xffffffffffffffff, 0x0) sendto$inet6(r1, &(0x7f0000847fff)='X', 0x34000, 0x0, &(0x7f000005ffe4)={0xa, 0x0, 0x0, @loopback}, 0x1c) (fail_nth: 37) 18:02:25 executing program 2: prctl$PR_SCHED_CORE(0x3e, 0x1, 0x0, 0x2, 0x0) r0 = syz_open_dev$sndmidi(&(0x7f0000000040), 0x2, 0x141101) r1 = dup(r0) write$6lowpan_enable(r1, 0x0, 0x0) syz_open_procfs(0x0, &(0x7f0000000080)='net/dev\x00') r2 = socket$inet6_sctp(0xa, 0x5, 0x84) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r2, 0x84, 0x9, &(0x7f0000000580)={0x0, @in={{0x2, 0x0, @empty}}, 0x0, 0x0, 0x3fc, 0x0, 0x32}, 0x9c) bind$packet(0xffffffffffffffff, &(0x7f0000000140)={0x11, 0xf0, 0x0, 0x1, 0x0, 0x6, @multicast}, 0x14) sendto$inet6(r2, &(0x7f0000847fff)='X', 0x34000, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) (fail_nth: 38) 18:02:25 executing program 5: prctl$PR_SCHED_CORE(0x3e, 0x1, 0x0, 0x2, 0x0) r0 = syz_open_dev$sndmidi(&(0x7f0000000040), 0x2, 0x141101) r1 = dup(r0) write$6lowpan_enable(r1, &(0x7f0000000000)='0', 0xfffffd2c) tkill(0x0, 0x0) syz_open_procfs(0x0, 0x0) r2 = socket$inet6_sctp(0xa, 0x5, 0x84) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r2, 0x84, 0x9, &(0x7f0000000580)={0x0, @in={{0x2, 0x0, @empty}}, 0x0, 0x0, 0x3fc, 0x0, 0x32}, 0x9c) bind$packet(0xffffffffffffffff, &(0x7f0000000140)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @multicast}, 0x14) close_range(0xffffffffffffffff, 0xffffffffffffffff, 0x0) sendto$inet6(r2, &(0x7f0000847fff)='X', 0x34000, 0x0, &(0x7f000005ffe4)={0xa, 0x0, 0x0, @loopback}, 0x1c) (fail_nth: 12) 18:02:25 executing program 4: prlimit64(0x0, 0xe, &(0x7f0000000140)={0x8, 0x8b}, 0x0) sched_setscheduler(0x0, 0x2, &(0x7f0000000080)=0x8) r0 = getpid() sched_setscheduler(r0, 0x1, &(0x7f0000001700)=0x4) socketpair$unix(0x1, 0x2, 0x0, &(0x7f0000000200)={0xffffffffffffffff, 0xffffffffffffffff}) recvmmsg(r1, &(0x7f00000000c0), 0x10106, 0x2, 0x0) r3 = openat$loop_ctrl(0xffffff9c, &(0x7f0000000040), 0x0, 0x0) sendmmsg(r2, 0x0, 0x0, 0x0) r4 = getpid() sched_setaffinity(r4, 0x8, &(0x7f0000000000)=0x96f) ioctl$LOOP_CTL_ADD(r3, 0x4c80, 0x0) (fail_nth: 14) ioctl$LOOP_CTL_REMOVE(r3, 0x4c81, 0x0) 18:02:25 executing program 3: r0 = dup(0xffffffffffffffff) write$6lowpan_enable(r0, &(0x7f0000000000)='0', 0xfffffd2c) r1 = socket$inet6_sctp(0xa, 0x5, 0x84) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r1, 0x84, 0x9, &(0x7f0000000580)={0x0, @in={{0x2, 0x0, @empty}}, 0x0, 0x0, 0x3fc, 0x0, 0x32}, 0x9c) bind$packet(0xffffffffffffffff, &(0x7f0000000140)={0x11, 0xf0, 0x0, 0x1, 0x0, 0x6, @multicast}, 0x14) sendto$inet6(r1, &(0x7f0000847fff)='X', 0x34000, 0x0, &(0x7f000005ffe4)={0xa, 0x0, 0x0, @loopback}, 0x1c) (fail_nth: 45) 18:02:25 executing program 0: syz_open_dev$sndmidi(0x0, 0x2, 0x141101) r0 = dup(0xffffffffffffffff) write$6lowpan_enable(r0, &(0x7f0000000000)='0', 0xfffffd2c) syz_open_procfs(0x0, &(0x7f0000000080)='net/dev\x00') r1 = socket$inet6_sctp(0xa, 0x5, 0x84) sendmsg$nl_route(0xffffffffffffffff, 0x0, 0x0) close_range(0xffffffffffffffff, 0xffffffffffffffff, 0x0) sendto$inet6(r1, &(0x7f0000847fff)='X', 0x34000, 0x0, &(0x7f000005ffe4)={0xa, 0x0, 0x0, @loopback}, 0x1c) (fail_nth: 38) 18:02:25 executing program 2: prctl$PR_SCHED_CORE(0x3e, 0x1, 0x0, 0x2, 0x0) r0 = syz_open_dev$sndmidi(&(0x7f0000000040), 0x2, 0x141101) r1 = dup(r0) write$6lowpan_enable(r1, 0x0, 0x0) syz_open_procfs(0x0, &(0x7f0000000080)='net/dev\x00') r2 = socket$inet6_sctp(0xa, 0x5, 0x84) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r2, 0x84, 0x9, &(0x7f0000000580)={0x0, @in={{0x2, 0x0, @empty}}, 0x0, 0x0, 0x3fc, 0x0, 0x32}, 0x9c) bind$packet(0xffffffffffffffff, &(0x7f0000000140)={0x11, 0xf0, 0x0, 0x1, 0x0, 0x6, @multicast}, 0x14) sendto$inet6(r2, &(0x7f0000847fff)='X', 0x34000, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) (fail_nth: 39) 18:02:25 executing program 0: syz_open_dev$sndmidi(0x0, 0x2, 0x141101) r0 = dup(0xffffffffffffffff) write$6lowpan_enable(r0, &(0x7f0000000000)='0', 0xfffffd2c) syz_open_procfs(0x0, &(0x7f0000000080)='net/dev\x00') r1 = socket$inet6_sctp(0xa, 0x5, 0x84) sendmsg$nl_route(0xffffffffffffffff, 0x0, 0x0) close_range(0xffffffffffffffff, 0xffffffffffffffff, 0x0) sendto$inet6(r1, &(0x7f0000847fff)='X', 0x34000, 0x0, &(0x7f000005ffe4)={0xa, 0x0, 0x0, @loopback}, 0x1c) (fail_nth: 39) 18:02:25 executing program 3: r0 = dup(0xffffffffffffffff) write$6lowpan_enable(r0, &(0x7f0000000000)='0', 0xfffffd2c) r1 = socket$inet6_sctp(0xa, 0x5, 0x84) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r1, 0x84, 0x9, &(0x7f0000000580)={0x0, @in={{0x2, 0x0, @empty}}, 0x0, 0x0, 0x3fc, 0x0, 0x32}, 0x9c) bind$packet(0xffffffffffffffff, &(0x7f0000000140)={0x11, 0xf0, 0x0, 0x1, 0x0, 0x6, @multicast}, 0x14) sendto$inet6(r1, &(0x7f0000847fff)='X', 0x34000, 0x0, &(0x7f000005ffe4)={0xa, 0x0, 0x0, @loopback}, 0x1c) (fail_nth: 46) 18:02:25 executing program 2: prctl$PR_SCHED_CORE(0x3e, 0x1, 0x0, 0x2, 0x0) r0 = syz_open_dev$sndmidi(&(0x7f0000000040), 0x2, 0x141101) r1 = dup(r0) write$6lowpan_enable(r1, 0x0, 0x0) syz_open_procfs(0x0, &(0x7f0000000080)='net/dev\x00') r2 = socket$inet6_sctp(0xa, 0x5, 0x84) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r2, 0x84, 0x9, &(0x7f0000000580)={0x0, @in={{0x2, 0x0, @empty}}, 0x0, 0x0, 0x3fc, 0x0, 0x32}, 0x9c) bind$packet(0xffffffffffffffff, &(0x7f0000000140)={0x11, 0xf0, 0x0, 0x1, 0x0, 0x6, @multicast}, 0x14) sendto$inet6(r2, &(0x7f0000847fff)='X', 0x34000, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) (fail_nth: 40) 18:02:25 executing program 0: syz_open_dev$sndmidi(0x0, 0x2, 0x141101) r0 = dup(0xffffffffffffffff) write$6lowpan_enable(r0, &(0x7f0000000000)='0', 0xfffffd2c) syz_open_procfs(0x0, &(0x7f0000000080)='net/dev\x00') r1 = socket$inet6_sctp(0xa, 0x5, 0x84) sendmsg$nl_route(0xffffffffffffffff, 0x0, 0x0) close_range(0xffffffffffffffff, 0xffffffffffffffff, 0x0) sendto$inet6(r1, &(0x7f0000847fff)='X', 0x34000, 0x0, &(0x7f000005ffe4)={0xa, 0x0, 0x0, @loopback}, 0x1c) (fail_nth: 40) 18:02:26 executing program 3: r0 = dup(0xffffffffffffffff) write$6lowpan_enable(r0, &(0x7f0000000000)='0', 0xfffffd2c) r1 = socket$inet6_sctp(0xa, 0x5, 0x84) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r1, 0x84, 0x9, &(0x7f0000000580)={0x0, @in={{0x2, 0x0, @empty}}, 0x0, 0x0, 0x3fc, 0x0, 0x32}, 0x9c) bind$packet(0xffffffffffffffff, &(0x7f0000000140)={0x11, 0xf0, 0x0, 0x1, 0x0, 0x6, @multicast}, 0x14) sendto$inet6(r1, &(0x7f0000847fff)='X', 0x34000, 0x0, &(0x7f000005ffe4)={0xa, 0x0, 0x0, @loopback}, 0x1c) (fail_nth: 47) 18:02:26 executing program 1: prctl$PR_SCHED_CORE(0x3e, 0x1, 0x0, 0x2, 0x0) r0 = syz_open_dev$sndmidi(&(0x7f0000000040), 0x2, 0x141101) r1 = dup(r0) write$6lowpan_enable(r1, &(0x7f0000000000)='0', 0xfffffd2c) syz_open_procfs(0x0, &(0x7f0000000080)='net/dev\x00') r2 = socket$inet6_sctp(0xa, 0x5, 0x84) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r2, 0x84, 0x9, &(0x7f0000000580)={0x0, @in={{0x2, 0x0, @empty}}, 0x0, 0x0, 0x3fc, 0x0, 0x32}, 0x9c) bind$packet(0xffffffffffffffff, &(0x7f0000000140)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @multicast}, 0x14) sendto$inet6(r2, &(0x7f0000847fff)='X', 0x34000, 0x0, &(0x7f000005ffe4)={0xa, 0x0, 0x0, @loopback}, 0x1c) (fail_nth: 7) 18:02:26 executing program 2: prctl$PR_SCHED_CORE(0x3e, 0x1, 0x0, 0x2, 0x0) r0 = syz_open_dev$sndmidi(&(0x7f0000000040), 0x2, 0x141101) r1 = dup(r0) write$6lowpan_enable(r1, 0x0, 0x0) syz_open_procfs(0x0, &(0x7f0000000080)='net/dev\x00') r2 = socket$inet6_sctp(0xa, 0x5, 0x84) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r2, 0x84, 0x9, &(0x7f0000000580)={0x0, @in={{0x2, 0x0, @empty}}, 0x0, 0x0, 0x3fc, 0x0, 0x32}, 0x9c) bind$packet(0xffffffffffffffff, &(0x7f0000000140)={0x11, 0xf0, 0x0, 0x1, 0x0, 0x6, @multicast}, 0x14) sendto$inet6(r2, &(0x7f0000847fff)='X', 0x34000, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) (fail_nth: 41) 18:02:26 executing program 5: prctl$PR_SCHED_CORE(0x3e, 0x1, 0x0, 0x2, 0x0) r0 = syz_open_dev$sndmidi(&(0x7f0000000040), 0x2, 0x141101) r1 = dup(r0) write$6lowpan_enable(r1, &(0x7f0000000000)='0', 0xfffffd2c) tkill(0x0, 0x0) syz_open_procfs(0x0, 0x0) r2 = socket$inet6_sctp(0xa, 0x5, 0x84) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r2, 0x84, 0x9, &(0x7f0000000580)={0x0, @in={{0x2, 0x0, @empty}}, 0x0, 0x0, 0x3fc, 0x0, 0x32}, 0x9c) bind$packet(0xffffffffffffffff, &(0x7f0000000140)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @multicast}, 0x14) close_range(0xffffffffffffffff, 0xffffffffffffffff, 0x0) sendto$inet6(r2, &(0x7f0000847fff)='X', 0x34000, 0x0, &(0x7f000005ffe4)={0xa, 0x0, 0x0, @loopback}, 0x1c) (fail_nth: 13) 18:02:26 executing program 0: syz_open_dev$sndmidi(0x0, 0x2, 0x141101) r0 = dup(0xffffffffffffffff) write$6lowpan_enable(r0, &(0x7f0000000000)='0', 0xfffffd2c) syz_open_procfs(0x0, &(0x7f0000000080)='net/dev\x00') r1 = socket$inet6_sctp(0xa, 0x5, 0x84) sendmsg$nl_route(0xffffffffffffffff, 0x0, 0x0) close_range(0xffffffffffffffff, 0xffffffffffffffff, 0x0) sendto$inet6(r1, &(0x7f0000847fff)='X', 0x34000, 0x0, &(0x7f000005ffe4)={0xa, 0x0, 0x0, @loopback}, 0x1c) (fail_nth: 41) 18:02:26 executing program 4: prlimit64(0x0, 0xe, &(0x7f0000000140)={0x8, 0x8b}, 0x0) sched_setscheduler(0x0, 0x2, &(0x7f0000000080)=0x8) r0 = getpid() sched_setscheduler(r0, 0x1, &(0x7f0000001700)=0x4) socketpair$unix(0x1, 0x2, 0x0, &(0x7f0000000200)={0xffffffffffffffff, 0xffffffffffffffff}) recvmmsg(r1, &(0x7f00000000c0), 0x10106, 0x2, 0x0) r3 = openat$loop_ctrl(0xffffff9c, &(0x7f0000000040), 0x0, 0x0) sendmmsg(r2, 0x0, 0x0, 0x0) r4 = getpid() sched_setaffinity(r4, 0x8, &(0x7f0000000000)=0x96f) ioctl$LOOP_CTL_ADD(r3, 0x4c80, 0x0) (fail_nth: 15) ioctl$LOOP_CTL_REMOVE(r3, 0x4c81, 0x0) 18:02:26 executing program 3: r0 = dup(0xffffffffffffffff) write$6lowpan_enable(r0, &(0x7f0000000000)='0', 0xfffffd2c) r1 = socket$inet6_sctp(0xa, 0x5, 0x84) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r1, 0x84, 0x9, &(0x7f0000000580)={0x0, @in={{0x2, 0x0, @empty}}, 0x0, 0x0, 0x3fc, 0x0, 0x32}, 0x9c) bind$packet(0xffffffffffffffff, &(0x7f0000000140)={0x11, 0xf0, 0x0, 0x1, 0x0, 0x6, @multicast}, 0x14) sendto$inet6(r1, &(0x7f0000847fff)='X', 0x34000, 0x0, &(0x7f000005ffe4)={0xa, 0x0, 0x0, @loopback}, 0x1c) (fail_nth: 48) 18:02:26 executing program 2: prctl$PR_SCHED_CORE(0x3e, 0x1, 0x0, 0x2, 0x0) r0 = syz_open_dev$sndmidi(&(0x7f0000000040), 0x2, 0x141101) r1 = dup(r0) write$6lowpan_enable(r1, 0x0, 0x0) syz_open_procfs(0x0, &(0x7f0000000080)='net/dev\x00') r2 = socket$inet6_sctp(0xa, 0x5, 0x84) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r2, 0x84, 0x9, &(0x7f0000000580)={0x0, @in={{0x2, 0x0, @empty}}, 0x0, 0x0, 0x3fc, 0x0, 0x32}, 0x9c) bind$packet(0xffffffffffffffff, &(0x7f0000000140)={0x11, 0xf0, 0x0, 0x1, 0x0, 0x6, @multicast}, 0x14) sendto$inet6(r2, &(0x7f0000847fff)='X', 0x34000, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) (fail_nth: 42) 18:02:26 executing program 0: syz_open_dev$sndmidi(0x0, 0x2, 0x141101) r0 = dup(0xffffffffffffffff) write$6lowpan_enable(r0, &(0x7f0000000000)='0', 0xfffffd2c) syz_open_procfs(0x0, &(0x7f0000000080)='net/dev\x00') r1 = socket$inet6_sctp(0xa, 0x5, 0x84) sendmsg$nl_route(0xffffffffffffffff, 0x0, 0x0) close_range(0xffffffffffffffff, 0xffffffffffffffff, 0x0) sendto$inet6(r1, &(0x7f0000847fff)='X', 0x34000, 0x0, &(0x7f000005ffe4)={0xa, 0x0, 0x0, @loopback}, 0x1c) (fail_nth: 42) 18:02:26 executing program 0: syz_open_dev$sndmidi(0x0, 0x2, 0x141101) r0 = dup(0xffffffffffffffff) write$6lowpan_enable(r0, &(0x7f0000000000)='0', 0xfffffd2c) syz_open_procfs(0x0, &(0x7f0000000080)='net/dev\x00') r1 = socket$inet6_sctp(0xa, 0x5, 0x84) sendmsg$nl_route(0xffffffffffffffff, 0x0, 0x0) close_range(0xffffffffffffffff, 0xffffffffffffffff, 0x0) sendto$inet6(r1, &(0x7f0000847fff)='X', 0x34000, 0x0, &(0x7f000005ffe4)={0xa, 0x0, 0x0, @loopback}, 0x1c) (fail_nth: 43) 18:02:26 executing program 2: prctl$PR_SCHED_CORE(0x3e, 0x1, 0x0, 0x2, 0x0) r0 = syz_open_dev$sndmidi(&(0x7f0000000040), 0x2, 0x141101) r1 = dup(r0) write$6lowpan_enable(r1, 0x0, 0x0) syz_open_procfs(0x0, &(0x7f0000000080)='net/dev\x00') r2 = socket$inet6_sctp(0xa, 0x5, 0x84) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r2, 0x84, 0x9, &(0x7f0000000580)={0x0, @in={{0x2, 0x0, @empty}}, 0x0, 0x0, 0x3fc, 0x0, 0x32}, 0x9c) bind$packet(0xffffffffffffffff, &(0x7f0000000140)={0x11, 0xf0, 0x0, 0x1, 0x0, 0x6, @multicast}, 0x14) sendto$inet6(r2, &(0x7f0000847fff)='X', 0x34000, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) (fail_nth: 43) 18:02:26 executing program 3: r0 = dup(0xffffffffffffffff) write$6lowpan_enable(r0, &(0x7f0000000000)='0', 0xfffffd2c) r1 = socket$inet6_sctp(0xa, 0x5, 0x84) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r1, 0x84, 0x9, &(0x7f0000000580)={0x0, @in={{0x2, 0x0, @empty}}, 0x0, 0x0, 0x3fc, 0x0, 0x32}, 0x9c) bind$packet(0xffffffffffffffff, &(0x7f0000000140)={0x11, 0xf0, 0x0, 0x1, 0x0, 0x6, @multicast}, 0x14) sendto$inet6(r1, &(0x7f0000847fff)='X', 0x34000, 0x0, &(0x7f000005ffe4)={0xa, 0x0, 0x0, @loopback}, 0x1c) (fail_nth: 49) 18:02:26 executing program 0: syz_open_dev$sndmidi(0x0, 0x2, 0x141101) r0 = dup(0xffffffffffffffff) write$6lowpan_enable(r0, &(0x7f0000000000)='0', 0xfffffd2c) syz_open_procfs(0x0, &(0x7f0000000080)='net/dev\x00') r1 = socket$inet6_sctp(0xa, 0x5, 0x84) sendmsg$nl_route(0xffffffffffffffff, 0x0, 0x0) close_range(0xffffffffffffffff, 0xffffffffffffffff, 0x0) sendto$inet6(r1, &(0x7f0000847fff)='X', 0x34000, 0x0, &(0x7f000005ffe4)={0xa, 0x0, 0x0, @loopback}, 0x1c) (fail_nth: 44) 18:02:27 executing program 1: prctl$PR_SCHED_CORE(0x3e, 0x1, 0x0, 0x2, 0x0) r0 = syz_open_dev$sndmidi(&(0x7f0000000040), 0x2, 0x141101) r1 = dup(r0) write$6lowpan_enable(r1, &(0x7f0000000000)='0', 0xfffffd2c) syz_open_procfs(0x0, &(0x7f0000000080)='net/dev\x00') r2 = socket$inet6_sctp(0xa, 0x5, 0x84) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r2, 0x84, 0x9, &(0x7f0000000580)={0x0, @in={{0x2, 0x0, @empty}}, 0x0, 0x0, 0x3fc, 0x0, 0x32}, 0x9c) bind$packet(0xffffffffffffffff, &(0x7f0000000140)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @multicast}, 0x14) sendto$inet6(r2, &(0x7f0000847fff)='X', 0x34000, 0x0, &(0x7f000005ffe4)={0xa, 0x0, 0x0, @loopback}, 0x1c) (fail_nth: 8) 18:02:27 executing program 2: prctl$PR_SCHED_CORE(0x3e, 0x1, 0x0, 0x2, 0x0) r0 = syz_open_dev$sndmidi(&(0x7f0000000040), 0x2, 0x141101) r1 = dup(r0) write$6lowpan_enable(r1, 0x0, 0x0) syz_open_procfs(0x0, &(0x7f0000000080)='net/dev\x00') r2 = socket$inet6_sctp(0xa, 0x5, 0x84) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r2, 0x84, 0x9, &(0x7f0000000580)={0x0, @in={{0x2, 0x0, @empty}}, 0x0, 0x0, 0x3fc, 0x0, 0x32}, 0x9c) bind$packet(0xffffffffffffffff, &(0x7f0000000140)={0x11, 0xf0, 0x0, 0x1, 0x0, 0x6, @multicast}, 0x14) sendto$inet6(r2, &(0x7f0000847fff)='X', 0x34000, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) (fail_nth: 44) 18:02:27 executing program 3: r0 = dup(0xffffffffffffffff) write$6lowpan_enable(r0, &(0x7f0000000000)='0', 0xfffffd2c) r1 = socket$inet6_sctp(0xa, 0x5, 0x84) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r1, 0x84, 0x9, &(0x7f0000000580)={0x0, @in={{0x2, 0x0, @empty}}, 0x0, 0x0, 0x3fc, 0x0, 0x32}, 0x9c) bind$packet(0xffffffffffffffff, &(0x7f0000000140)={0x11, 0xf0, 0x0, 0x1, 0x0, 0x6, @multicast}, 0x14) sendto$inet6(r1, &(0x7f0000847fff)='X', 0x34000, 0x0, &(0x7f000005ffe4)={0xa, 0x0, 0x0, @loopback}, 0x1c) (fail_nth: 50) 18:02:27 executing program 5: prctl$PR_SCHED_CORE(0x3e, 0x1, 0x0, 0x2, 0x0) r0 = syz_open_dev$sndmidi(&(0x7f0000000040), 0x2, 0x141101) r1 = dup(r0) write$6lowpan_enable(r1, &(0x7f0000000000)='0', 0xfffffd2c) tkill(0x0, 0x0) syz_open_procfs(0x0, 0x0) r2 = socket$inet6_sctp(0xa, 0x5, 0x84) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r2, 0x84, 0x9, &(0x7f0000000580)={0x0, @in={{0x2, 0x0, @empty}}, 0x0, 0x0, 0x3fc, 0x0, 0x32}, 0x9c) bind$packet(0xffffffffffffffff, &(0x7f0000000140)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @multicast}, 0x14) close_range(0xffffffffffffffff, 0xffffffffffffffff, 0x0) sendto$inet6(r2, &(0x7f0000847fff)='X', 0x34000, 0x0, &(0x7f000005ffe4)={0xa, 0x0, 0x0, @loopback}, 0x1c) (fail_nth: 14) 18:02:27 executing program 0: syz_open_dev$sndmidi(0x0, 0x2, 0x141101) r0 = dup(0xffffffffffffffff) write$6lowpan_enable(r0, &(0x7f0000000000)='0', 0xfffffd2c) syz_open_procfs(0x0, &(0x7f0000000080)='net/dev\x00') r1 = socket$inet6_sctp(0xa, 0x5, 0x84) sendmsg$nl_route(0xffffffffffffffff, 0x0, 0x0) close_range(0xffffffffffffffff, 0xffffffffffffffff, 0x0) sendto$inet6(r1, &(0x7f0000847fff)='X', 0x34000, 0x0, &(0x7f000005ffe4)={0xa, 0x0, 0x0, @loopback}, 0x1c) (fail_nth: 45) 18:02:27 executing program 4: prlimit64(0x0, 0xe, &(0x7f0000000140)={0x8, 0x8b}, 0x0) sched_setscheduler(0x0, 0x2, &(0x7f0000000080)=0x8) r0 = getpid() sched_setscheduler(r0, 0x1, &(0x7f0000001700)=0x4) socketpair$unix(0x1, 0x2, 0x0, &(0x7f0000000200)={0xffffffffffffffff, 0xffffffffffffffff}) recvmmsg(r1, &(0x7f00000000c0), 0x10106, 0x2, 0x0) r3 = openat$loop_ctrl(0xffffff9c, &(0x7f0000000040), 0x0, 0x0) sendmmsg(r2, 0x0, 0x0, 0x0) r4 = getpid() sched_setaffinity(r4, 0x8, &(0x7f0000000000)=0x96f) ioctl$LOOP_CTL_ADD(r3, 0x4c80, 0x0) (fail_nth: 16) ioctl$LOOP_CTL_REMOVE(r3, 0x4c81, 0x0) 18:02:27 executing program 2: prctl$PR_SCHED_CORE(0x3e, 0x1, 0x0, 0x2, 0x0) r0 = syz_open_dev$sndmidi(&(0x7f0000000040), 0x2, 0x141101) r1 = dup(r0) write$6lowpan_enable(r1, 0x0, 0x0) syz_open_procfs(0x0, &(0x7f0000000080)='net/dev\x00') r2 = socket$inet6_sctp(0xa, 0x5, 0x84) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r2, 0x84, 0x9, &(0x7f0000000580)={0x0, @in={{0x2, 0x0, @empty}}, 0x0, 0x0, 0x3fc, 0x0, 0x32}, 0x9c) bind$packet(0xffffffffffffffff, &(0x7f0000000140)={0x11, 0xf0, 0x0, 0x1, 0x0, 0x6, @multicast}, 0x14) sendto$inet6(r2, &(0x7f0000847fff)='X', 0x34000, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) (fail_nth: 45) 18:02:27 executing program 3: r0 = dup(0xffffffffffffffff) write$6lowpan_enable(r0, &(0x7f0000000000)='0', 0xfffffd2c) r1 = socket$inet6_sctp(0xa, 0x5, 0x84) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r1, 0x84, 0x9, &(0x7f0000000580)={0x0, @in={{0x2, 0x0, @empty}}, 0x0, 0x0, 0x3fc, 0x0, 0x32}, 0x9c) bind$packet(0xffffffffffffffff, &(0x7f0000000140)={0x11, 0xf0, 0x0, 0x1, 0x0, 0x6, @multicast}, 0x14) sendto$inet6(r1, &(0x7f0000847fff)='X', 0x34000, 0x0, &(0x7f000005ffe4)={0xa, 0x0, 0x0, @loopback}, 0x1c) (fail_nth: 51) 18:02:27 executing program 0: syz_open_dev$sndmidi(0x0, 0x2, 0x141101) r0 = dup(0xffffffffffffffff) write$6lowpan_enable(r0, &(0x7f0000000000)='0', 0xfffffd2c) syz_open_procfs(0x0, &(0x7f0000000080)='net/dev\x00') r1 = socket$inet6_sctp(0xa, 0x5, 0x84) sendmsg$nl_route(0xffffffffffffffff, 0x0, 0x0) close_range(0xffffffffffffffff, 0xffffffffffffffff, 0x0) sendto$inet6(r1, &(0x7f0000847fff)='X', 0x34000, 0x0, &(0x7f000005ffe4)={0xa, 0x0, 0x0, @loopback}, 0x1c) (fail_nth: 46) 18:02:27 executing program 2: prctl$PR_SCHED_CORE(0x3e, 0x1, 0x0, 0x2, 0x0) r0 = syz_open_dev$sndmidi(&(0x7f0000000040), 0x2, 0x141101) r1 = dup(r0) write$6lowpan_enable(r1, 0x0, 0x0) syz_open_procfs(0x0, &(0x7f0000000080)='net/dev\x00') r2 = socket$inet6_sctp(0xa, 0x5, 0x84) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r2, 0x84, 0x9, &(0x7f0000000580)={0x0, @in={{0x2, 0x0, @empty}}, 0x0, 0x0, 0x3fc, 0x0, 0x32}, 0x9c) bind$packet(0xffffffffffffffff, &(0x7f0000000140)={0x11, 0xf0, 0x0, 0x1, 0x0, 0x6, @multicast}, 0x14) sendto$inet6(r2, &(0x7f0000847fff)='X', 0x34000, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) (fail_nth: 46) 18:02:27 executing program 3: r0 = dup(0xffffffffffffffff) write$6lowpan_enable(r0, &(0x7f0000000000)='0', 0xfffffd2c) r1 = socket$inet6_sctp(0xa, 0x5, 0x84) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r1, 0x84, 0x9, &(0x7f0000000580)={0x0, @in={{0x2, 0x0, @empty}}, 0x0, 0x0, 0x3fc, 0x0, 0x32}, 0x9c) bind$packet(0xffffffffffffffff, &(0x7f0000000140)={0x11, 0xf0, 0x0, 0x1, 0x0, 0x6, @multicast}, 0x14) sendto$inet6(r1, &(0x7f0000847fff)='X', 0x34000, 0x0, &(0x7f000005ffe4)={0xa, 0x0, 0x0, @loopback}, 0x1c) (fail_nth: 52) 18:02:27 executing program 0: syz_open_dev$sndmidi(0x0, 0x2, 0x141101) r0 = dup(0xffffffffffffffff) write$6lowpan_enable(r0, &(0x7f0000000000)='0', 0xfffffd2c) syz_open_procfs(0x0, &(0x7f0000000080)='net/dev\x00') r1 = socket$inet6_sctp(0xa, 0x5, 0x84) sendmsg$nl_route(0xffffffffffffffff, 0x0, 0x0) close_range(0xffffffffffffffff, 0xffffffffffffffff, 0x0) sendto$inet6(r1, &(0x7f0000847fff)='X', 0x34000, 0x0, &(0x7f000005ffe4)={0xa, 0x0, 0x0, @loopback}, 0x1c) (fail_nth: 47) 18:02:28 executing program 1: prctl$PR_SCHED_CORE(0x3e, 0x1, 0x0, 0x2, 0x0) r0 = syz_open_dev$sndmidi(&(0x7f0000000040), 0x2, 0x141101) r1 = dup(r0) write$6lowpan_enable(r1, &(0x7f0000000000)='0', 0xfffffd2c) syz_open_procfs(0x0, &(0x7f0000000080)='net/dev\x00') r2 = socket$inet6_sctp(0xa, 0x5, 0x84) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r2, 0x84, 0x9, &(0x7f0000000580)={0x0, @in={{0x2, 0x0, @empty}}, 0x0, 0x0, 0x3fc, 0x0, 0x32}, 0x9c) bind$packet(0xffffffffffffffff, &(0x7f0000000140)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @multicast}, 0x14) sendto$inet6(r2, &(0x7f0000847fff)='X', 0x34000, 0x0, &(0x7f000005ffe4)={0xa, 0x0, 0x0, @loopback}, 0x1c) (fail_nth: 9) 18:02:28 executing program 3: r0 = dup(0xffffffffffffffff) write$6lowpan_enable(r0, &(0x7f0000000000)='0', 0xfffffd2c) r1 = socket$inet6_sctp(0xa, 0x5, 0x84) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r1, 0x84, 0x9, &(0x7f0000000580)={0x0, @in={{0x2, 0x0, @empty}}, 0x0, 0x0, 0x3fc, 0x0, 0x32}, 0x9c) bind$packet(0xffffffffffffffff, &(0x7f0000000140)={0x11, 0xf0, 0x0, 0x1, 0x0, 0x6, @multicast}, 0x14) sendto$inet6(r1, &(0x7f0000847fff)='X', 0x34000, 0x0, &(0x7f000005ffe4)={0xa, 0x0, 0x0, @loopback}, 0x1c) (fail_nth: 53) 18:02:28 executing program 5: prctl$PR_SCHED_CORE(0x3e, 0x1, 0x0, 0x2, 0x0) r0 = syz_open_dev$sndmidi(&(0x7f0000000040), 0x2, 0x141101) r1 = dup(r0) write$6lowpan_enable(r1, &(0x7f0000000000)='0', 0xfffffd2c) tkill(0x0, 0x0) syz_open_procfs(0x0, 0x0) r2 = socket$inet6_sctp(0xa, 0x5, 0x84) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r2, 0x84, 0x9, &(0x7f0000000580)={0x0, @in={{0x2, 0x0, @empty}}, 0x0, 0x0, 0x3fc, 0x0, 0x32}, 0x9c) bind$packet(0xffffffffffffffff, &(0x7f0000000140)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @multicast}, 0x14) close_range(0xffffffffffffffff, 0xffffffffffffffff, 0x0) sendto$inet6(r2, &(0x7f0000847fff)='X', 0x34000, 0x0, &(0x7f000005ffe4)={0xa, 0x0, 0x0, @loopback}, 0x1c) (fail_nth: 15) 18:02:28 executing program 0: syz_open_dev$sndmidi(0x0, 0x2, 0x141101) r0 = dup(0xffffffffffffffff) write$6lowpan_enable(r0, &(0x7f0000000000)='0', 0xfffffd2c) syz_open_procfs(0x0, &(0x7f0000000080)='net/dev\x00') r1 = socket$inet6_sctp(0xa, 0x5, 0x84) sendmsg$nl_route(0xffffffffffffffff, 0x0, 0x0) close_range(0xffffffffffffffff, 0xffffffffffffffff, 0x0) sendto$inet6(r1, &(0x7f0000847fff)='X', 0x34000, 0x0, &(0x7f000005ffe4)={0xa, 0x0, 0x0, @loopback}, 0x1c) (fail_nth: 48) 18:02:28 executing program 2: prctl$PR_SCHED_CORE(0x3e, 0x1, 0x0, 0x2, 0x0) r0 = syz_open_dev$sndmidi(&(0x7f0000000040), 0x2, 0x141101) r1 = dup(r0) write$6lowpan_enable(r1, 0x0, 0x0) syz_open_procfs(0x0, &(0x7f0000000080)='net/dev\x00') r2 = socket$inet6_sctp(0xa, 0x5, 0x84) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r2, 0x84, 0x9, &(0x7f0000000580)={0x0, @in={{0x2, 0x0, @empty}}, 0x0, 0x0, 0x3fc, 0x0, 0x32}, 0x9c) bind$packet(0xffffffffffffffff, &(0x7f0000000140)={0x11, 0xf0, 0x0, 0x1, 0x0, 0x6, @multicast}, 0x14) sendto$inet6(r2, &(0x7f0000847fff)='X', 0x34000, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) (fail_nth: 47) 18:02:28 executing program 4: prlimit64(0x0, 0xe, &(0x7f0000000140)={0x8, 0x8b}, 0x0) sched_setscheduler(0x0, 0x2, &(0x7f0000000080)=0x8) r0 = getpid() sched_setscheduler(r0, 0x1, &(0x7f0000001700)=0x4) socketpair$unix(0x1, 0x2, 0x0, &(0x7f0000000200)={0xffffffffffffffff, 0xffffffffffffffff}) recvmmsg(r1, &(0x7f00000000c0), 0x10106, 0x2, 0x0) r3 = openat$loop_ctrl(0xffffff9c, &(0x7f0000000040), 0x0, 0x0) sendmmsg(r2, 0x0, 0x0, 0x0) r4 = getpid() sched_setaffinity(r4, 0x8, &(0x7f0000000000)=0x96f) ioctl$LOOP_CTL_ADD(r3, 0x4c80, 0x0) (fail_nth: 17) ioctl$LOOP_CTL_REMOVE(r3, 0x4c81, 0x0) 18:02:28 executing program 3: r0 = dup(0xffffffffffffffff) write$6lowpan_enable(r0, &(0x7f0000000000)='0', 0xfffffd2c) r1 = socket$inet6_sctp(0xa, 0x5, 0x84) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r1, 0x84, 0x9, &(0x7f0000000580)={0x0, @in={{0x2, 0x0, @empty}}, 0x0, 0x0, 0x3fc, 0x0, 0x32}, 0x9c) bind$packet(0xffffffffffffffff, &(0x7f0000000140)={0x11, 0xf0, 0x0, 0x1, 0x0, 0x6, @multicast}, 0x14) sendto$inet6(r1, &(0x7f0000847fff)='X', 0x34000, 0x0, &(0x7f000005ffe4)={0xa, 0x0, 0x0, @loopback}, 0x1c) (fail_nth: 54) 18:02:28 executing program 2: prctl$PR_SCHED_CORE(0x3e, 0x1, 0x0, 0x2, 0x0) r0 = syz_open_dev$sndmidi(&(0x7f0000000040), 0x2, 0x141101) r1 = dup(r0) write$6lowpan_enable(r1, 0x0, 0x0) syz_open_procfs(0x0, &(0x7f0000000080)='net/dev\x00') r2 = socket$inet6_sctp(0xa, 0x5, 0x84) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r2, 0x84, 0x9, &(0x7f0000000580)={0x0, @in={{0x2, 0x0, @empty}}, 0x0, 0x0, 0x3fc, 0x0, 0x32}, 0x9c) bind$packet(0xffffffffffffffff, &(0x7f0000000140)={0x11, 0xf0, 0x0, 0x1, 0x0, 0x6, @multicast}, 0x14) sendto$inet6(r2, &(0x7f0000847fff)='X', 0x34000, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) (fail_nth: 48) 18:02:28 executing program 0: syz_open_dev$sndmidi(0x0, 0x2, 0x141101) r0 = dup(0xffffffffffffffff) write$6lowpan_enable(r0, &(0x7f0000000000)='0', 0xfffffd2c) syz_open_procfs(0x0, &(0x7f0000000080)='net/dev\x00') r1 = socket$inet6_sctp(0xa, 0x5, 0x84) sendmsg$nl_route(0xffffffffffffffff, 0x0, 0x0) close_range(0xffffffffffffffff, 0xffffffffffffffff, 0x0) sendto$inet6(r1, &(0x7f0000847fff)='X', 0x34000, 0x0, &(0x7f000005ffe4)={0xa, 0x0, 0x0, @loopback}, 0x1c) (fail_nth: 49) 18:02:28 executing program 2: prctl$PR_SCHED_CORE(0x3e, 0x1, 0x0, 0x2, 0x0) r0 = syz_open_dev$sndmidi(&(0x7f0000000040), 0x2, 0x141101) r1 = dup(r0) write$6lowpan_enable(r1, 0x0, 0x0) syz_open_procfs(0x0, &(0x7f0000000080)='net/dev\x00') r2 = socket$inet6_sctp(0xa, 0x5, 0x84) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r2, 0x84, 0x9, &(0x7f0000000580)={0x0, @in={{0x2, 0x0, @empty}}, 0x0, 0x0, 0x3fc, 0x0, 0x32}, 0x9c) bind$packet(0xffffffffffffffff, &(0x7f0000000140)={0x11, 0xf0, 0x0, 0x1, 0x0, 0x6, @multicast}, 0x14) sendto$inet6(r2, &(0x7f0000847fff)='X', 0x34000, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) (fail_nth: 49) 18:02:28 executing program 3: r0 = dup(0xffffffffffffffff) write$6lowpan_enable(r0, &(0x7f0000000000)='0', 0xfffffd2c) r1 = socket$inet6_sctp(0xa, 0x5, 0x84) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r1, 0x84, 0x9, &(0x7f0000000580)={0x0, @in={{0x2, 0x0, @empty}}, 0x0, 0x0, 0x3fc, 0x0, 0x32}, 0x9c) bind$packet(0xffffffffffffffff, &(0x7f0000000140)={0x11, 0xf0, 0x0, 0x1, 0x0, 0x6, @multicast}, 0x14) sendto$inet6(r1, &(0x7f0000847fff)='X', 0x34000, 0x0, &(0x7f000005ffe4)={0xa, 0x0, 0x0, @loopback}, 0x1c) (fail_nth: 55) 18:02:28 executing program 0: syz_open_dev$sndmidi(0x0, 0x2, 0x141101) r0 = dup(0xffffffffffffffff) write$6lowpan_enable(r0, &(0x7f0000000000)='0', 0xfffffd2c) syz_open_procfs(0x0, &(0x7f0000000080)='net/dev\x00') r1 = socket$inet6_sctp(0xa, 0x5, 0x84) sendmsg$nl_route(0xffffffffffffffff, 0x0, 0x0) close_range(0xffffffffffffffff, 0xffffffffffffffff, 0x0) sendto$inet6(r1, &(0x7f0000847fff)='X', 0x34000, 0x0, &(0x7f000005ffe4)={0xa, 0x0, 0x0, @loopback}, 0x1c) (fail_nth: 50) 18:02:29 executing program 1: prctl$PR_SCHED_CORE(0x3e, 0x1, 0x0, 0x2, 0x0) r0 = syz_open_dev$sndmidi(&(0x7f0000000040), 0x2, 0x141101) r1 = dup(r0) write$6lowpan_enable(r1, &(0x7f0000000000)='0', 0xfffffd2c) syz_open_procfs(0x0, &(0x7f0000000080)='net/dev\x00') r2 = socket$inet6_sctp(0xa, 0x5, 0x84) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r2, 0x84, 0x9, &(0x7f0000000580)={0x0, @in={{0x2, 0x0, @empty}}, 0x0, 0x0, 0x3fc, 0x0, 0x32}, 0x9c) bind$packet(0xffffffffffffffff, &(0x7f0000000140)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @multicast}, 0x14) sendto$inet6(r2, &(0x7f0000847fff)='X', 0x34000, 0x0, &(0x7f000005ffe4)={0xa, 0x0, 0x0, @loopback}, 0x1c) (fail_nth: 10) 18:02:29 executing program 2: prctl$PR_SCHED_CORE(0x3e, 0x1, 0x0, 0x2, 0x0) r0 = syz_open_dev$sndmidi(&(0x7f0000000040), 0x2, 0x141101) r1 = dup(r0) write$6lowpan_enable(r1, 0x0, 0x0) syz_open_procfs(0x0, &(0x7f0000000080)='net/dev\x00') r2 = socket$inet6_sctp(0xa, 0x5, 0x84) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r2, 0x84, 0x9, &(0x7f0000000580)={0x0, @in={{0x2, 0x0, @empty}}, 0x0, 0x0, 0x3fc, 0x0, 0x32}, 0x9c) bind$packet(0xffffffffffffffff, &(0x7f0000000140)={0x11, 0xf0, 0x0, 0x1, 0x0, 0x6, @multicast}, 0x14) sendto$inet6(r2, &(0x7f0000847fff)='X', 0x34000, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) (fail_nth: 50) 18:02:29 executing program 5: prctl$PR_SCHED_CORE(0x3e, 0x1, 0x0, 0x2, 0x0) r0 = syz_open_dev$sndmidi(&(0x7f0000000040), 0x2, 0x141101) r1 = dup(r0) write$6lowpan_enable(r1, &(0x7f0000000000)='0', 0xfffffd2c) tkill(0x0, 0x0) syz_open_procfs(0x0, 0x0) r2 = socket$inet6_sctp(0xa, 0x5, 0x84) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r2, 0x84, 0x9, &(0x7f0000000580)={0x0, @in={{0x2, 0x0, @empty}}, 0x0, 0x0, 0x3fc, 0x0, 0x32}, 0x9c) bind$packet(0xffffffffffffffff, &(0x7f0000000140)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @multicast}, 0x14) close_range(0xffffffffffffffff, 0xffffffffffffffff, 0x0) sendto$inet6(r2, &(0x7f0000847fff)='X', 0x34000, 0x0, &(0x7f000005ffe4)={0xa, 0x0, 0x0, @loopback}, 0x1c) (fail_nth: 16) 18:02:29 executing program 3: r0 = dup(0xffffffffffffffff) write$6lowpan_enable(r0, &(0x7f0000000000)='0', 0xfffffd2c) r1 = socket$inet6_sctp(0xa, 0x5, 0x84) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r1, 0x84, 0x9, &(0x7f0000000580)={0x0, @in={{0x2, 0x0, @empty}}, 0x0, 0x0, 0x3fc, 0x0, 0x32}, 0x9c) bind$packet(0xffffffffffffffff, &(0x7f0000000140)={0x11, 0xf0, 0x0, 0x1, 0x0, 0x6, @multicast}, 0x14) sendto$inet6(r1, &(0x7f0000847fff)='X', 0x34000, 0x0, &(0x7f000005ffe4)={0xa, 0x0, 0x0, @loopback}, 0x1c) (fail_nth: 56) 18:02:29 executing program 0: syz_open_dev$sndmidi(0x0, 0x2, 0x141101) r0 = dup(0xffffffffffffffff) write$6lowpan_enable(r0, &(0x7f0000000000)='0', 0xfffffd2c) syz_open_procfs(0x0, &(0x7f0000000080)='net/dev\x00') r1 = socket$inet6_sctp(0xa, 0x5, 0x84) sendmsg$nl_route(0xffffffffffffffff, 0x0, 0x0) close_range(0xffffffffffffffff, 0xffffffffffffffff, 0x0) sendto$inet6(r1, &(0x7f0000847fff)='X', 0x34000, 0x0, &(0x7f000005ffe4)={0xa, 0x0, 0x0, @loopback}, 0x1c) (fail_nth: 51) 18:02:29 executing program 2: prctl$PR_SCHED_CORE(0x3e, 0x1, 0x0, 0x2, 0x0) r0 = syz_open_dev$sndmidi(&(0x7f0000000040), 0x2, 0x141101) r1 = dup(r0) write$6lowpan_enable(r1, 0x0, 0x0) syz_open_procfs(0x0, &(0x7f0000000080)='net/dev\x00') r2 = socket$inet6_sctp(0xa, 0x5, 0x84) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r2, 0x84, 0x9, &(0x7f0000000580)={0x0, @in={{0x2, 0x0, @empty}}, 0x0, 0x0, 0x3fc, 0x0, 0x32}, 0x9c) bind$packet(0xffffffffffffffff, &(0x7f0000000140)={0x11, 0xf0, 0x0, 0x1, 0x0, 0x6, @multicast}, 0x14) sendto$inet6(r2, &(0x7f0000847fff)='X', 0x34000, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) (fail_nth: 51) 18:02:29 executing program 4: prlimit64(0x0, 0xe, &(0x7f0000000140)={0x8, 0x8b}, 0x0) sched_setscheduler(0x0, 0x2, &(0x7f0000000080)=0x8) r0 = getpid() sched_setscheduler(r0, 0x1, &(0x7f0000001700)=0x4) socketpair$unix(0x1, 0x2, 0x0, &(0x7f0000000200)={0xffffffffffffffff, 0xffffffffffffffff}) recvmmsg(r1, &(0x7f00000000c0), 0x10106, 0x2, 0x0) r3 = openat$loop_ctrl(0xffffff9c, &(0x7f0000000040), 0x0, 0x0) sendmmsg(r2, 0x0, 0x0, 0x0) r4 = getpid() sched_setaffinity(r4, 0x8, &(0x7f0000000000)=0x96f) ioctl$LOOP_CTL_ADD(r3, 0x4c80, 0x0) (fail_nth: 18) ioctl$LOOP_CTL_REMOVE(r3, 0x4c81, 0x0) 18:02:29 executing program 3: r0 = dup(0xffffffffffffffff) write$6lowpan_enable(r0, &(0x7f0000000000)='0', 0xfffffd2c) r1 = socket$inet6_sctp(0xa, 0x5, 0x84) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r1, 0x84, 0x9, &(0x7f0000000580)={0x0, @in={{0x2, 0x0, @empty}}, 0x0, 0x0, 0x3fc, 0x0, 0x32}, 0x9c) bind$packet(0xffffffffffffffff, &(0x7f0000000140)={0x11, 0xf0, 0x0, 0x1, 0x0, 0x6, @multicast}, 0x14) sendto$inet6(r1, &(0x7f0000847fff)='X', 0x34000, 0x0, &(0x7f000005ffe4)={0xa, 0x0, 0x0, @loopback}, 0x1c) (fail_nth: 57) 18:02:29 executing program 3: r0 = dup(0xffffffffffffffff) write$6lowpan_enable(r0, &(0x7f0000000000)='0', 0xfffffd2c) r1 = socket$inet6_sctp(0xa, 0x5, 0x84) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r1, 0x84, 0x9, &(0x7f0000000580)={0x0, @in={{0x2, 0x0, @empty}}, 0x0, 0x0, 0x3fc, 0x0, 0x32}, 0x9c) bind$packet(0xffffffffffffffff, &(0x7f0000000140)={0x11, 0xf0, 0x0, 0x1, 0x0, 0x6, @multicast}, 0x14) sendto$inet6(r1, &(0x7f0000847fff)='X', 0x34000, 0x0, &(0x7f000005ffe4)={0xa, 0x0, 0x0, @loopback}, 0x1c) (fail_nth: 58) 18:02:29 executing program 0: syz_open_dev$sndmidi(0x0, 0x2, 0x141101) r0 = dup(0xffffffffffffffff) write$6lowpan_enable(r0, &(0x7f0000000000)='0', 0xfffffd2c) syz_open_procfs(0x0, &(0x7f0000000080)='net/dev\x00') r1 = socket$inet6_sctp(0xa, 0x5, 0x84) sendmsg$nl_route(0xffffffffffffffff, 0x0, 0x0) close_range(0xffffffffffffffff, 0xffffffffffffffff, 0x0) sendto$inet6(r1, &(0x7f0000847fff)='X', 0x34000, 0x0, &(0x7f000005ffe4)={0xa, 0x0, 0x0, @loopback}, 0x1c) (fail_nth: 52) 18:02:29 executing program 2: prctl$PR_SCHED_CORE(0x3e, 0x1, 0x0, 0x2, 0x0) r0 = syz_open_dev$sndmidi(&(0x7f0000000040), 0x2, 0x141101) r1 = dup(r0) write$6lowpan_enable(r1, 0x0, 0x0) syz_open_procfs(0x0, &(0x7f0000000080)='net/dev\x00') r2 = socket$inet6_sctp(0xa, 0x5, 0x84) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r2, 0x84, 0x9, &(0x7f0000000580)={0x0, @in={{0x2, 0x0, @empty}}, 0x0, 0x0, 0x3fc, 0x0, 0x32}, 0x9c) bind$packet(0xffffffffffffffff, &(0x7f0000000140)={0x11, 0xf0, 0x0, 0x1, 0x0, 0x6, @multicast}, 0x14) sendto$inet6(r2, &(0x7f0000847fff)='X', 0x34000, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) (fail_nth: 52) 18:02:29 executing program 3: r0 = dup(0xffffffffffffffff) write$6lowpan_enable(r0, &(0x7f0000000000)='0', 0xfffffd2c) r1 = socket$inet6_sctp(0xa, 0x5, 0x84) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r1, 0x84, 0x9, &(0x7f0000000580)={0x0, @in={{0x2, 0x0, @empty}}, 0x0, 0x0, 0x3fc, 0x0, 0x32}, 0x9c) bind$packet(0xffffffffffffffff, &(0x7f0000000140)={0x11, 0xf0, 0x0, 0x1, 0x0, 0x6, @multicast}, 0x14) sendto$inet6(r1, &(0x7f0000847fff)='X', 0x34000, 0x0, &(0x7f000005ffe4)={0xa, 0x0, 0x0, @loopback}, 0x1c) (fail_nth: 59) 18:02:29 executing program 2: prctl$PR_SCHED_CORE(0x3e, 0x1, 0x0, 0x2, 0x0) r0 = syz_open_dev$sndmidi(&(0x7f0000000040), 0x2, 0x141101) r1 = dup(r0) write$6lowpan_enable(r1, 0x0, 0x0) syz_open_procfs(0x0, &(0x7f0000000080)='net/dev\x00') r2 = socket$inet6_sctp(0xa, 0x5, 0x84) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r2, 0x84, 0x9, &(0x7f0000000580)={0x0, @in={{0x2, 0x0, @empty}}, 0x0, 0x0, 0x3fc, 0x0, 0x32}, 0x9c) bind$packet(0xffffffffffffffff, &(0x7f0000000140)={0x11, 0xf0, 0x0, 0x1, 0x0, 0x6, @multicast}, 0x14) sendto$inet6(r2, &(0x7f0000847fff)='X', 0x34000, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) (fail_nth: 53) 18:02:29 executing program 1: prctl$PR_SCHED_CORE(0x3e, 0x1, 0x0, 0x2, 0x0) r0 = syz_open_dev$sndmidi(&(0x7f0000000040), 0x2, 0x141101) r1 = dup(r0) write$6lowpan_enable(r1, &(0x7f0000000000)='0', 0xfffffd2c) syz_open_procfs(0x0, &(0x7f0000000080)='net/dev\x00') r2 = socket$inet6_sctp(0xa, 0x5, 0x84) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r2, 0x84, 0x9, &(0x7f0000000580)={0x0, @in={{0x2, 0x0, @empty}}, 0x0, 0x0, 0x3fc, 0x0, 0x32}, 0x9c) bind$packet(0xffffffffffffffff, &(0x7f0000000140)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @multicast}, 0x14) sendto$inet6(r2, &(0x7f0000847fff)='X', 0x34000, 0x0, &(0x7f000005ffe4)={0xa, 0x0, 0x0, @loopback}, 0x1c) (fail_nth: 11) 18:02:30 executing program 0: syz_open_dev$sndmidi(0x0, 0x2, 0x141101) r0 = dup(0xffffffffffffffff) write$6lowpan_enable(r0, &(0x7f0000000000)='0', 0xfffffd2c) syz_open_procfs(0x0, &(0x7f0000000080)='net/dev\x00') r1 = socket$inet6_sctp(0xa, 0x5, 0x84) sendmsg$nl_route(0xffffffffffffffff, 0x0, 0x0) close_range(0xffffffffffffffff, 0xffffffffffffffff, 0x0) sendto$inet6(r1, &(0x7f0000847fff)='X', 0x34000, 0x0, &(0x7f000005ffe4)={0xa, 0x0, 0x0, @loopback}, 0x1c) (fail_nth: 53) 18:02:30 executing program 3: r0 = dup(0xffffffffffffffff) write$6lowpan_enable(r0, &(0x7f0000000000)='0', 0xfffffd2c) r1 = socket$inet6_sctp(0xa, 0x5, 0x84) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r1, 0x84, 0x9, &(0x7f0000000580)={0x0, @in={{0x2, 0x0, @empty}}, 0x0, 0x0, 0x3fc, 0x0, 0x32}, 0x9c) bind$packet(0xffffffffffffffff, &(0x7f0000000140)={0x11, 0xf0, 0x0, 0x1, 0x0, 0x6, @multicast}, 0x14) sendto$inet6(r1, &(0x7f0000847fff)='X', 0x34000, 0x0, &(0x7f000005ffe4)={0xa, 0x0, 0x0, @loopback}, 0x1c) (fail_nth: 60) 18:02:30 executing program 5: prctl$PR_SCHED_CORE(0x3e, 0x1, 0x0, 0x2, 0x0) r0 = syz_open_dev$sndmidi(&(0x7f0000000040), 0x2, 0x141101) r1 = dup(r0) write$6lowpan_enable(r1, &(0x7f0000000000)='0', 0xfffffd2c) tkill(0x0, 0x0) syz_open_procfs(0x0, 0x0) r2 = socket$inet6_sctp(0xa, 0x5, 0x84) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r2, 0x84, 0x9, &(0x7f0000000580)={0x0, @in={{0x2, 0x0, @empty}}, 0x0, 0x0, 0x3fc, 0x0, 0x32}, 0x9c) bind$packet(0xffffffffffffffff, &(0x7f0000000140)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @multicast}, 0x14) close_range(0xffffffffffffffff, 0xffffffffffffffff, 0x0) sendto$inet6(r2, &(0x7f0000847fff)='X', 0x34000, 0x0, &(0x7f000005ffe4)={0xa, 0x0, 0x0, @loopback}, 0x1c) (fail_nth: 17) 18:02:30 executing program 2: prctl$PR_SCHED_CORE(0x3e, 0x1, 0x0, 0x2, 0x0) r0 = syz_open_dev$sndmidi(&(0x7f0000000040), 0x2, 0x141101) r1 = dup(r0) write$6lowpan_enable(r1, 0x0, 0x0) syz_open_procfs(0x0, &(0x7f0000000080)='net/dev\x00') r2 = socket$inet6_sctp(0xa, 0x5, 0x84) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r2, 0x84, 0x9, &(0x7f0000000580)={0x0, @in={{0x2, 0x0, @empty}}, 0x0, 0x0, 0x3fc, 0x0, 0x32}, 0x9c) bind$packet(0xffffffffffffffff, &(0x7f0000000140)={0x11, 0xf0, 0x0, 0x1, 0x0, 0x6, @multicast}, 0x14) sendto$inet6(r2, &(0x7f0000847fff)='X', 0x34000, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) (fail_nth: 54) 18:02:30 executing program 4: prlimit64(0x0, 0xe, &(0x7f0000000140)={0x8, 0x8b}, 0x0) sched_setscheduler(0x0, 0x2, &(0x7f0000000080)=0x8) r0 = getpid() sched_setscheduler(r0, 0x1, &(0x7f0000001700)=0x4) socketpair$unix(0x1, 0x2, 0x0, &(0x7f0000000200)={0xffffffffffffffff, 0xffffffffffffffff}) recvmmsg(r1, &(0x7f00000000c0), 0x10106, 0x2, 0x0) r3 = openat$loop_ctrl(0xffffff9c, &(0x7f0000000040), 0x0, 0x0) sendmmsg(r2, 0x0, 0x0, 0x0) r4 = getpid() sched_setaffinity(r4, 0x8, &(0x7f0000000000)=0x96f) ioctl$LOOP_CTL_ADD(r3, 0x4c80, 0x0) (fail_nth: 19) ioctl$LOOP_CTL_REMOVE(r3, 0x4c81, 0x0) 18:02:30 executing program 3: r0 = dup(0xffffffffffffffff) write$6lowpan_enable(r0, &(0x7f0000000000)='0', 0xfffffd2c) r1 = socket$inet6_sctp(0xa, 0x5, 0x84) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r1, 0x84, 0x9, &(0x7f0000000580)={0x0, @in={{0x2, 0x0, @empty}}, 0x0, 0x0, 0x3fc, 0x0, 0x32}, 0x9c) bind$packet(0xffffffffffffffff, &(0x7f0000000140)={0x11, 0xf0, 0x0, 0x1, 0x0, 0x6, @multicast}, 0x14) sendto$inet6(r1, &(0x7f0000847fff)='X', 0x34000, 0x0, &(0x7f000005ffe4)={0xa, 0x0, 0x0, @loopback}, 0x1c) (fail_nth: 61) 18:02:30 executing program 0: syz_open_dev$sndmidi(0x0, 0x2, 0x141101) r0 = dup(0xffffffffffffffff) write$6lowpan_enable(r0, &(0x7f0000000000)='0', 0xfffffd2c) syz_open_procfs(0x0, &(0x7f0000000080)='net/dev\x00') r1 = socket$inet6_sctp(0xa, 0x5, 0x84) sendmsg$nl_route(0xffffffffffffffff, 0x0, 0x0) close_range(0xffffffffffffffff, 0xffffffffffffffff, 0x0) sendto$inet6(r1, &(0x7f0000847fff)='X', 0x34000, 0x0, &(0x7f000005ffe4)={0xa, 0x0, 0x0, @loopback}, 0x1c) (fail_nth: 54) 18:02:30 executing program 2: prctl$PR_SCHED_CORE(0x3e, 0x1, 0x0, 0x2, 0x0) r0 = syz_open_dev$sndmidi(&(0x7f0000000040), 0x2, 0x141101) r1 = dup(r0) write$6lowpan_enable(r1, 0x0, 0x0) syz_open_procfs(0x0, &(0x7f0000000080)='net/dev\x00') r2 = socket$inet6_sctp(0xa, 0x5, 0x84) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r2, 0x84, 0x9, &(0x7f0000000580)={0x0, @in={{0x2, 0x0, @empty}}, 0x0, 0x0, 0x3fc, 0x0, 0x32}, 0x9c) bind$packet(0xffffffffffffffff, &(0x7f0000000140)={0x11, 0xf0, 0x0, 0x1, 0x0, 0x6, @multicast}, 0x14) sendto$inet6(r2, &(0x7f0000847fff)='X', 0x34000, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) (fail_nth: 55) 18:02:30 executing program 3: r0 = dup(0xffffffffffffffff) write$6lowpan_enable(r0, &(0x7f0000000000)='0', 0xfffffd2c) r1 = socket$inet6_sctp(0xa, 0x5, 0x84) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r1, 0x84, 0x9, &(0x7f0000000580)={0x0, @in={{0x2, 0x0, @empty}}, 0x0, 0x0, 0x3fc, 0x0, 0x32}, 0x9c) bind$packet(0xffffffffffffffff, &(0x7f0000000140)={0x11, 0xf0, 0x0, 0x1, 0x0, 0x6, @multicast}, 0x14) sendto$inet6(r1, &(0x7f0000847fff)='X', 0x34000, 0x0, &(0x7f000005ffe4)={0xa, 0x0, 0x0, @loopback}, 0x1c) (fail_nth: 62) 18:02:30 executing program 3: r0 = dup(0xffffffffffffffff) write$6lowpan_enable(r0, &(0x7f0000000000)='0', 0xfffffd2c) r1 = socket$inet6_sctp(0xa, 0x5, 0x84) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r1, 0x84, 0x9, &(0x7f0000000580)={0x0, @in={{0x2, 0x0, @empty}}, 0x0, 0x0, 0x3fc, 0x0, 0x32}, 0x9c) bind$packet(0xffffffffffffffff, &(0x7f0000000140)={0x11, 0xf0, 0x0, 0x1, 0x0, 0x6, @multicast}, 0x14) sendto$inet6(r1, &(0x7f0000847fff)='X', 0x34000, 0x0, &(0x7f000005ffe4)={0xa, 0x0, 0x0, @loopback}, 0x1c) (fail_nth: 63) 18:02:30 executing program 3: r0 = dup(0xffffffffffffffff) write$6lowpan_enable(r0, &(0x7f0000000000)='0', 0xfffffd2c) r1 = socket$inet6_sctp(0xa, 0x5, 0x84) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r1, 0x84, 0x9, &(0x7f0000000580)={0x0, @in={{0x2, 0x0, @empty}}, 0x0, 0x0, 0x3fc, 0x0, 0x32}, 0x9c) bind$packet(0xffffffffffffffff, &(0x7f0000000140)={0x11, 0xf0, 0x0, 0x1, 0x0, 0x6, @multicast}, 0x14) sendto$inet6(r1, &(0x7f0000847fff)='X', 0x34000, 0x0, &(0x7f000005ffe4)={0xa, 0x0, 0x0, @loopback}, 0x1c) (fail_nth: 64) 18:02:30 executing program 1: prctl$PR_SCHED_CORE(0x3e, 0x1, 0x0, 0x2, 0x0) r0 = syz_open_dev$sndmidi(&(0x7f0000000040), 0x2, 0x141101) r1 = dup(r0) write$6lowpan_enable(r1, &(0x7f0000000000)='0', 0xfffffd2c) syz_open_procfs(0x0, &(0x7f0000000080)='net/dev\x00') r2 = socket$inet6_sctp(0xa, 0x5, 0x84) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r2, 0x84, 0x9, &(0x7f0000000580)={0x0, @in={{0x2, 0x0, @empty}}, 0x0, 0x0, 0x3fc, 0x0, 0x32}, 0x9c) bind$packet(0xffffffffffffffff, &(0x7f0000000140)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @multicast}, 0x14) sendto$inet6(r2, &(0x7f0000847fff)='X', 0x34000, 0x0, &(0x7f000005ffe4)={0xa, 0x0, 0x0, @loopback}, 0x1c) (fail_nth: 12) 18:02:30 executing program 2: prctl$PR_SCHED_CORE(0x3e, 0x1, 0x0, 0x2, 0x0) r0 = syz_open_dev$sndmidi(&(0x7f0000000040), 0x2, 0x141101) r1 = dup(r0) write$6lowpan_enable(r1, 0x0, 0x0) syz_open_procfs(0x0, &(0x7f0000000080)='net/dev\x00') r2 = socket$inet6_sctp(0xa, 0x5, 0x84) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r2, 0x84, 0x9, &(0x7f0000000580)={0x0, @in={{0x2, 0x0, @empty}}, 0x0, 0x0, 0x3fc, 0x0, 0x32}, 0x9c) bind$packet(0xffffffffffffffff, &(0x7f0000000140)={0x11, 0xf0, 0x0, 0x1, 0x0, 0x6, @multicast}, 0x14) sendto$inet6(r2, &(0x7f0000847fff)='X', 0x34000, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) (fail_nth: 56) 18:02:30 executing program 3: r0 = dup(0xffffffffffffffff) write$6lowpan_enable(r0, &(0x7f0000000000)='0', 0xfffffd2c) r1 = socket$inet6_sctp(0xa, 0x5, 0x84) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r1, 0x84, 0x9, &(0x7f0000000580)={0x0, @in={{0x2, 0x0, @empty}}, 0x0, 0x0, 0x3fc, 0x0, 0x32}, 0x9c) bind$packet(0xffffffffffffffff, &(0x7f0000000140)={0x11, 0xf0, 0x0, 0x1, 0x0, 0x6, @multicast}, 0x14) sendto$inet6(r1, &(0x7f0000847fff)='X', 0x34000, 0x0, &(0x7f000005ffe4)={0xa, 0x0, 0x0, @loopback}, 0x1c) (fail_nth: 65) 18:02:31 executing program 5: prctl$PR_SCHED_CORE(0x3e, 0x1, 0x0, 0x2, 0x0) r0 = syz_open_dev$sndmidi(&(0x7f0000000040), 0x2, 0x141101) r1 = dup(r0) write$6lowpan_enable(r1, &(0x7f0000000000)='0', 0xfffffd2c) tkill(0x0, 0x0) syz_open_procfs(0x0, 0x0) r2 = socket$inet6_sctp(0xa, 0x5, 0x84) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r2, 0x84, 0x9, &(0x7f0000000580)={0x0, @in={{0x2, 0x0, @empty}}, 0x0, 0x0, 0x3fc, 0x0, 0x32}, 0x9c) bind$packet(0xffffffffffffffff, &(0x7f0000000140)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @multicast}, 0x14) close_range(0xffffffffffffffff, 0xffffffffffffffff, 0x0) sendto$inet6(r2, &(0x7f0000847fff)='X', 0x34000, 0x0, &(0x7f000005ffe4)={0xa, 0x0, 0x0, @loopback}, 0x1c) (fail_nth: 18) 18:02:31 executing program 0: syz_open_dev$sndmidi(0x0, 0x2, 0x141101) r0 = dup(0xffffffffffffffff) write$6lowpan_enable(r0, &(0x7f0000000000)='0', 0xfffffd2c) syz_open_procfs(0x0, &(0x7f0000000080)='net/dev\x00') r1 = socket$inet6_sctp(0xa, 0x5, 0x84) sendmsg$nl_route(0xffffffffffffffff, 0x0, 0x0) close_range(0xffffffffffffffff, 0xffffffffffffffff, 0x0) sendto$inet6(r1, &(0x7f0000847fff)='X', 0x34000, 0x0, &(0x7f000005ffe4)={0xa, 0x0, 0x0, @loopback}, 0x1c) (fail_nth: 55) 18:02:31 executing program 3: r0 = dup(0xffffffffffffffff) write$6lowpan_enable(r0, &(0x7f0000000000)='0', 0xfffffd2c) r1 = socket$inet6_sctp(0xa, 0x5, 0x84) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r1, 0x84, 0x9, &(0x7f0000000580)={0x0, @in={{0x2, 0x0, @empty}}, 0x0, 0x0, 0x3fc, 0x0, 0x32}, 0x9c) bind$packet(0xffffffffffffffff, &(0x7f0000000140)={0x11, 0xf0, 0x0, 0x1, 0x0, 0x6, @multicast}, 0x14) sendto$inet6(r1, &(0x7f0000847fff)='X', 0x34000, 0x0, &(0x7f000005ffe4)={0xa, 0x0, 0x0, @loopback}, 0x1c) (fail_nth: 66) 18:02:31 executing program 2: prctl$PR_SCHED_CORE(0x3e, 0x1, 0x0, 0x2, 0x0) r0 = syz_open_dev$sndmidi(&(0x7f0000000040), 0x2, 0x141101) r1 = dup(r0) write$6lowpan_enable(r1, 0x0, 0x0) syz_open_procfs(0x0, &(0x7f0000000080)='net/dev\x00') r2 = socket$inet6_sctp(0xa, 0x5, 0x84) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r2, 0x84, 0x9, &(0x7f0000000580)={0x0, @in={{0x2, 0x0, @empty}}, 0x0, 0x0, 0x3fc, 0x0, 0x32}, 0x9c) bind$packet(0xffffffffffffffff, &(0x7f0000000140)={0x11, 0xf0, 0x0, 0x1, 0x0, 0x6, @multicast}, 0x14) sendto$inet6(r2, &(0x7f0000847fff)='X', 0x34000, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) (fail_nth: 57) 18:02:31 executing program 4: prlimit64(0x0, 0xe, &(0x7f0000000140)={0x8, 0x8b}, 0x0) sched_setscheduler(0x0, 0x2, &(0x7f0000000080)=0x8) r0 = getpid() sched_setscheduler(r0, 0x1, &(0x7f0000001700)=0x4) socketpair$unix(0x1, 0x2, 0x0, &(0x7f0000000200)={0xffffffffffffffff, 0xffffffffffffffff}) recvmmsg(r1, &(0x7f00000000c0), 0x10106, 0x2, 0x0) r3 = openat$loop_ctrl(0xffffff9c, &(0x7f0000000040), 0x0, 0x0) sendmmsg(r2, 0x0, 0x0, 0x0) r4 = getpid() sched_setaffinity(r4, 0x8, &(0x7f0000000000)=0x96f) ioctl$LOOP_CTL_ADD(r3, 0x4c80, 0x0) (fail_nth: 20) ioctl$LOOP_CTL_REMOVE(r3, 0x4c81, 0x0) 18:02:31 executing program 3: r0 = dup(0xffffffffffffffff) write$6lowpan_enable(r0, &(0x7f0000000000)='0', 0xfffffd2c) r1 = socket$inet6_sctp(0xa, 0x5, 0x84) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r1, 0x84, 0x9, &(0x7f0000000580)={0x0, @in={{0x2, 0x0, @empty}}, 0x0, 0x0, 0x3fc, 0x0, 0x32}, 0x9c) bind$packet(0xffffffffffffffff, &(0x7f0000000140)={0x11, 0xf0, 0x0, 0x1, 0x0, 0x6, @multicast}, 0x14) sendto$inet6(r1, &(0x7f0000847fff)='X', 0x34000, 0x0, &(0x7f000005ffe4)={0xa, 0x0, 0x0, @loopback}, 0x1c) (fail_nth: 67) 18:02:31 executing program 0: syz_open_dev$sndmidi(0x0, 0x2, 0x141101) r0 = dup(0xffffffffffffffff) write$6lowpan_enable(r0, &(0x7f0000000000)='0', 0xfffffd2c) syz_open_procfs(0x0, &(0x7f0000000080)='net/dev\x00') r1 = socket$inet6_sctp(0xa, 0x5, 0x84) sendmsg$nl_route(0xffffffffffffffff, 0x0, 0x0) close_range(0xffffffffffffffff, 0xffffffffffffffff, 0x0) sendto$inet6(r1, &(0x7f0000847fff)='X', 0x34000, 0x0, &(0x7f000005ffe4)={0xa, 0x0, 0x0, @loopback}, 0x1c) (fail_nth: 56) 18:02:31 executing program 2: prctl$PR_SCHED_CORE(0x3e, 0x1, 0x0, 0x2, 0x0) r0 = syz_open_dev$sndmidi(&(0x7f0000000040), 0x2, 0x141101) r1 = dup(r0) write$6lowpan_enable(r1, 0x0, 0x0) syz_open_procfs(0x0, &(0x7f0000000080)='net/dev\x00') r2 = socket$inet6_sctp(0xa, 0x5, 0x84) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r2, 0x84, 0x9, &(0x7f0000000580)={0x0, @in={{0x2, 0x0, @empty}}, 0x0, 0x0, 0x3fc, 0x0, 0x32}, 0x9c) bind$packet(0xffffffffffffffff, &(0x7f0000000140)={0x11, 0xf0, 0x0, 0x1, 0x0, 0x6, @multicast}, 0x14) sendto$inet6(r2, &(0x7f0000847fff)='X', 0x34000, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) (fail_nth: 58) 18:02:31 executing program 2: prctl$PR_SCHED_CORE(0x3e, 0x1, 0x0, 0x2, 0x0) r0 = syz_open_dev$sndmidi(&(0x7f0000000040), 0x2, 0x141101) r1 = dup(r0) write$6lowpan_enable(r1, 0x0, 0x0) syz_open_procfs(0x0, &(0x7f0000000080)='net/dev\x00') r2 = socket$inet6_sctp(0xa, 0x5, 0x84) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r2, 0x84, 0x9, &(0x7f0000000580)={0x0, @in={{0x2, 0x0, @empty}}, 0x0, 0x0, 0x3fc, 0x0, 0x32}, 0x9c) bind$packet(0xffffffffffffffff, &(0x7f0000000140)={0x11, 0xf0, 0x0, 0x1, 0x0, 0x6, @multicast}, 0x14) sendto$inet6(r2, &(0x7f0000847fff)='X', 0x34000, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) (fail_nth: 59) 18:02:31 executing program 1: prctl$PR_SCHED_CORE(0x3e, 0x1, 0x0, 0x2, 0x0) r0 = syz_open_dev$sndmidi(&(0x7f0000000040), 0x2, 0x141101) r1 = dup(r0) write$6lowpan_enable(r1, &(0x7f0000000000)='0', 0xfffffd2c) syz_open_procfs(0x0, &(0x7f0000000080)='net/dev\x00') r2 = socket$inet6_sctp(0xa, 0x5, 0x84) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r2, 0x84, 0x9, &(0x7f0000000580)={0x0, @in={{0x2, 0x0, @empty}}, 0x0, 0x0, 0x3fc, 0x0, 0x32}, 0x9c) bind$packet(0xffffffffffffffff, &(0x7f0000000140)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @multicast}, 0x14) sendto$inet6(r2, &(0x7f0000847fff)='X', 0x34000, 0x0, &(0x7f000005ffe4)={0xa, 0x0, 0x0, @loopback}, 0x1c) (fail_nth: 13) 18:02:31 executing program 0: syz_open_dev$sndmidi(0x0, 0x2, 0x141101) r0 = dup(0xffffffffffffffff) write$6lowpan_enable(r0, &(0x7f0000000000)='0', 0xfffffd2c) syz_open_procfs(0x0, &(0x7f0000000080)='net/dev\x00') r1 = socket$inet6_sctp(0xa, 0x5, 0x84) sendmsg$nl_route(0xffffffffffffffff, 0x0, 0x0) close_range(0xffffffffffffffff, 0xffffffffffffffff, 0x0) sendto$inet6(r1, &(0x7f0000847fff)='X', 0x34000, 0x0, &(0x7f000005ffe4)={0xa, 0x0, 0x0, @loopback}, 0x1c) (fail_nth: 57) 18:02:31 executing program 2: prctl$PR_SCHED_CORE(0x3e, 0x1, 0x0, 0x2, 0x0) r0 = syz_open_dev$sndmidi(&(0x7f0000000040), 0x2, 0x141101) r1 = dup(r0) write$6lowpan_enable(r1, 0x0, 0x0) syz_open_procfs(0x0, &(0x7f0000000080)='net/dev\x00') r2 = socket$inet6_sctp(0xa, 0x5, 0x84) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r2, 0x84, 0x9, &(0x7f0000000580)={0x0, @in={{0x2, 0x0, @empty}}, 0x0, 0x0, 0x3fc, 0x0, 0x32}, 0x9c) bind$packet(0xffffffffffffffff, &(0x7f0000000140)={0x11, 0xf0, 0x0, 0x1, 0x0, 0x6, @multicast}, 0x14) sendto$inet6(r2, &(0x7f0000847fff)='X', 0x34000, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) (fail_nth: 60) 18:02:32 executing program 5: prctl$PR_SCHED_CORE(0x3e, 0x1, 0x0, 0x2, 0x0) r0 = syz_open_dev$sndmidi(&(0x7f0000000040), 0x2, 0x141101) r1 = dup(r0) write$6lowpan_enable(r1, &(0x7f0000000000)='0', 0xfffffd2c) tkill(0x0, 0x0) syz_open_procfs(0x0, 0x0) r2 = socket$inet6_sctp(0xa, 0x5, 0x84) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r2, 0x84, 0x9, &(0x7f0000000580)={0x0, @in={{0x2, 0x0, @empty}}, 0x0, 0x0, 0x3fc, 0x0, 0x32}, 0x9c) bind$packet(0xffffffffffffffff, &(0x7f0000000140)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @multicast}, 0x14) close_range(0xffffffffffffffff, 0xffffffffffffffff, 0x0) sendto$inet6(r2, &(0x7f0000847fff)='X', 0x34000, 0x0, &(0x7f000005ffe4)={0xa, 0x0, 0x0, @loopback}, 0x1c) (fail_nth: 19) 18:02:32 executing program 0: syz_open_dev$sndmidi(0x0, 0x2, 0x141101) r0 = dup(0xffffffffffffffff) write$6lowpan_enable(r0, &(0x7f0000000000)='0', 0xfffffd2c) syz_open_procfs(0x0, &(0x7f0000000080)='net/dev\x00') r1 = socket$inet6_sctp(0xa, 0x5, 0x84) sendmsg$nl_route(0xffffffffffffffff, 0x0, 0x0) close_range(0xffffffffffffffff, 0xffffffffffffffff, 0x0) sendto$inet6(r1, &(0x7f0000847fff)='X', 0x34000, 0x0, &(0x7f000005ffe4)={0xa, 0x0, 0x0, @loopback}, 0x1c) (fail_nth: 58) 18:02:32 executing program 2: prctl$PR_SCHED_CORE(0x3e, 0x1, 0x0, 0x2, 0x0) r0 = syz_open_dev$sndmidi(&(0x7f0000000040), 0x2, 0x141101) r1 = dup(r0) write$6lowpan_enable(r1, 0x0, 0x0) syz_open_procfs(0x0, &(0x7f0000000080)='net/dev\x00') r2 = socket$inet6_sctp(0xa, 0x5, 0x84) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r2, 0x84, 0x9, &(0x7f0000000580)={0x0, @in={{0x2, 0x0, @empty}}, 0x0, 0x0, 0x3fc, 0x0, 0x32}, 0x9c) bind$packet(0xffffffffffffffff, &(0x7f0000000140)={0x11, 0xf0, 0x0, 0x1, 0x0, 0x6, @multicast}, 0x14) sendto$inet6(r2, &(0x7f0000847fff)='X', 0x34000, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) (fail_nth: 61) 18:02:32 executing program 4: prlimit64(0x0, 0xe, &(0x7f0000000140)={0x8, 0x8b}, 0x0) sched_setscheduler(0x0, 0x2, &(0x7f0000000080)=0x8) r0 = getpid() sched_setscheduler(r0, 0x1, &(0x7f0000001700)=0x4) socketpair$unix(0x1, 0x2, 0x0, &(0x7f0000000200)={0xffffffffffffffff, 0xffffffffffffffff}) recvmmsg(r1, &(0x7f00000000c0), 0x10106, 0x2, 0x0) r3 = openat$loop_ctrl(0xffffff9c, &(0x7f0000000040), 0x0, 0x0) sendmmsg(r2, 0x0, 0x0, 0x0) r4 = getpid() sched_setaffinity(r4, 0x8, &(0x7f0000000000)=0x96f) ioctl$LOOP_CTL_ADD(r3, 0x4c80, 0x0) (fail_nth: 21) ioctl$LOOP_CTL_REMOVE(r3, 0x4c81, 0x0) 18:02:32 executing program 0: syz_open_dev$sndmidi(0x0, 0x2, 0x141101) r0 = dup(0xffffffffffffffff) write$6lowpan_enable(r0, &(0x7f0000000000)='0', 0xfffffd2c) syz_open_procfs(0x0, &(0x7f0000000080)='net/dev\x00') r1 = socket$inet6_sctp(0xa, 0x5, 0x84) sendmsg$nl_route(0xffffffffffffffff, 0x0, 0x0) close_range(0xffffffffffffffff, 0xffffffffffffffff, 0x0) sendto$inet6(r1, &(0x7f0000847fff)='X', 0x34000, 0x0, &(0x7f000005ffe4)={0xa, 0x0, 0x0, @loopback}, 0x1c) (fail_nth: 59) 18:02:32 executing program 3: r0 = dup(0xffffffffffffffff) write$6lowpan_enable(r0, &(0x7f0000000000)='0', 0xfffffd2c) r1 = socket$inet6_sctp(0xa, 0x5, 0x84) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r1, 0x84, 0x9, &(0x7f0000000580)={0x0, @in={{0x2, 0x0, @empty}}, 0x0, 0x0, 0x3fc, 0x0, 0x32}, 0x9c) bind$packet(0xffffffffffffffff, &(0x7f0000000140)={0x11, 0xf0, 0x0, 0x1, 0x0, 0x6, @multicast}, 0x14) sendto$inet6(r1, &(0x7f0000847fff)='X', 0x34000, 0x0, &(0x7f000005ffe4)={0xa, 0x0, 0x0, @loopback}, 0x1c) 18:02:32 executing program 2: prctl$PR_SCHED_CORE(0x3e, 0x1, 0x0, 0x2, 0x0) r0 = syz_open_dev$sndmidi(&(0x7f0000000040), 0x2, 0x141101) r1 = dup(r0) write$6lowpan_enable(r1, 0x0, 0x0) syz_open_procfs(0x0, &(0x7f0000000080)='net/dev\x00') r2 = socket$inet6_sctp(0xa, 0x5, 0x84) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r2, 0x84, 0x9, &(0x7f0000000580)={0x0, @in={{0x2, 0x0, @empty}}, 0x0, 0x0, 0x3fc, 0x0, 0x32}, 0x9c) bind$packet(0xffffffffffffffff, &(0x7f0000000140)={0x11, 0xf0, 0x0, 0x1, 0x0, 0x6, @multicast}, 0x14) sendto$inet6(r2, &(0x7f0000847fff)='X', 0x34000, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) (fail_nth: 62) 18:02:32 executing program 0: syz_open_dev$sndmidi(0x0, 0x2, 0x141101) r0 = dup(0xffffffffffffffff) write$6lowpan_enable(r0, &(0x7f0000000000)='0', 0xfffffd2c) syz_open_procfs(0x0, &(0x7f0000000080)='net/dev\x00') r1 = socket$inet6_sctp(0xa, 0x5, 0x84) sendmsg$nl_route(0xffffffffffffffff, 0x0, 0x0) close_range(0xffffffffffffffff, 0xffffffffffffffff, 0x0) sendto$inet6(r1, &(0x7f0000847fff)='X', 0x34000, 0x0, &(0x7f000005ffe4)={0xa, 0x0, 0x0, @loopback}, 0x1c) (fail_nth: 60) 18:02:32 executing program 0: syz_open_dev$sndmidi(0x0, 0x2, 0x141101) r0 = dup(0xffffffffffffffff) write$6lowpan_enable(r0, &(0x7f0000000000)='0', 0xfffffd2c) syz_open_procfs(0x0, &(0x7f0000000080)='net/dev\x00') r1 = socket$inet6_sctp(0xa, 0x5, 0x84) sendmsg$nl_route(0xffffffffffffffff, 0x0, 0x0) close_range(0xffffffffffffffff, 0xffffffffffffffff, 0x0) sendto$inet6(r1, &(0x7f0000847fff)='X', 0x34000, 0x0, &(0x7f000005ffe4)={0xa, 0x0, 0x0, @loopback}, 0x1c) (fail_nth: 61) 18:02:32 executing program 1: prctl$PR_SCHED_CORE(0x3e, 0x1, 0x0, 0x2, 0x0) r0 = syz_open_dev$sndmidi(&(0x7f0000000040), 0x2, 0x141101) r1 = dup(r0) write$6lowpan_enable(r1, &(0x7f0000000000)='0', 0xfffffd2c) syz_open_procfs(0x0, &(0x7f0000000080)='net/dev\x00') r2 = socket$inet6_sctp(0xa, 0x5, 0x84) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r2, 0x84, 0x9, &(0x7f0000000580)={0x0, @in={{0x2, 0x0, @empty}}, 0x0, 0x0, 0x3fc, 0x0, 0x32}, 0x9c) bind$packet(0xffffffffffffffff, &(0x7f0000000140)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @multicast}, 0x14) sendto$inet6(r2, &(0x7f0000847fff)='X', 0x34000, 0x0, &(0x7f000005ffe4)={0xa, 0x0, 0x0, @loopback}, 0x1c) (fail_nth: 14) 18:02:32 executing program 0: syz_open_dev$sndmidi(0x0, 0x2, 0x141101) r0 = dup(0xffffffffffffffff) write$6lowpan_enable(r0, &(0x7f0000000000)='0', 0xfffffd2c) syz_open_procfs(0x0, &(0x7f0000000080)='net/dev\x00') r1 = socket$inet6_sctp(0xa, 0x5, 0x84) sendmsg$nl_route(0xffffffffffffffff, 0x0, 0x0) close_range(0xffffffffffffffff, 0xffffffffffffffff, 0x0) sendto$inet6(r1, &(0x7f0000847fff)='X', 0x34000, 0x0, &(0x7f000005ffe4)={0xa, 0x0, 0x0, @loopback}, 0x1c) (fail_nth: 62) 18:02:32 executing program 2: prctl$PR_SCHED_CORE(0x3e, 0x1, 0x0, 0x2, 0x0) r0 = syz_open_dev$sndmidi(&(0x7f0000000040), 0x2, 0x141101) r1 = dup(r0) write$6lowpan_enable(r1, 0x0, 0x0) syz_open_procfs(0x0, &(0x7f0000000080)='net/dev\x00') r2 = socket$inet6_sctp(0xa, 0x5, 0x84) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r2, 0x84, 0x9, &(0x7f0000000580)={0x0, @in={{0x2, 0x0, @empty}}, 0x0, 0x0, 0x3fc, 0x0, 0x32}, 0x9c) bind$packet(0xffffffffffffffff, &(0x7f0000000140)={0x11, 0xf0, 0x0, 0x1, 0x0, 0x6, @multicast}, 0x14) sendto$inet6(r2, &(0x7f0000847fff)='X', 0x34000, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) (fail_nth: 63) 18:02:33 executing program 5: prctl$PR_SCHED_CORE(0x3e, 0x1, 0x0, 0x2, 0x0) r0 = syz_open_dev$sndmidi(&(0x7f0000000040), 0x2, 0x141101) r1 = dup(r0) write$6lowpan_enable(r1, &(0x7f0000000000)='0', 0xfffffd2c) tkill(0x0, 0x0) syz_open_procfs(0x0, 0x0) r2 = socket$inet6_sctp(0xa, 0x5, 0x84) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r2, 0x84, 0x9, &(0x7f0000000580)={0x0, @in={{0x2, 0x0, @empty}}, 0x0, 0x0, 0x3fc, 0x0, 0x32}, 0x9c) bind$packet(0xffffffffffffffff, &(0x7f0000000140)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @multicast}, 0x14) close_range(0xffffffffffffffff, 0xffffffffffffffff, 0x0) sendto$inet6(r2, &(0x7f0000847fff)='X', 0x34000, 0x0, &(0x7f000005ffe4)={0xa, 0x0, 0x0, @loopback}, 0x1c) (fail_nth: 20) 18:02:33 executing program 2: prctl$PR_SCHED_CORE(0x3e, 0x1, 0x0, 0x2, 0x0) r0 = syz_open_dev$sndmidi(&(0x7f0000000040), 0x2, 0x141101) r1 = dup(r0) write$6lowpan_enable(r1, 0x0, 0x0) syz_open_procfs(0x0, &(0x7f0000000080)='net/dev\x00') r2 = socket$inet6_sctp(0xa, 0x5, 0x84) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r2, 0x84, 0x9, &(0x7f0000000580)={0x0, @in={{0x2, 0x0, @empty}}, 0x0, 0x0, 0x3fc, 0x0, 0x32}, 0x9c) bind$packet(0xffffffffffffffff, &(0x7f0000000140)={0x11, 0xf0, 0x0, 0x1, 0x0, 0x6, @multicast}, 0x14) sendto$inet6(r2, &(0x7f0000847fff)='X', 0x34000, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) (fail_nth: 64) 18:02:33 executing program 0: syz_open_dev$sndmidi(0x0, 0x2, 0x141101) r0 = dup(0xffffffffffffffff) write$6lowpan_enable(r0, &(0x7f0000000000)='0', 0xfffffd2c) syz_open_procfs(0x0, &(0x7f0000000080)='net/dev\x00') r1 = socket$inet6_sctp(0xa, 0x5, 0x84) sendmsg$nl_route(0xffffffffffffffff, 0x0, 0x0) close_range(0xffffffffffffffff, 0xffffffffffffffff, 0x0) sendto$inet6(r1, &(0x7f0000847fff)='X', 0x34000, 0x0, &(0x7f000005ffe4)={0xa, 0x0, 0x0, @loopback}, 0x1c) (fail_nth: 63) 18:02:33 executing program 4: prlimit64(0x0, 0xe, &(0x7f0000000140)={0x8, 0x8b}, 0x0) sched_setscheduler(0x0, 0x2, &(0x7f0000000080)=0x8) r0 = getpid() sched_setscheduler(r0, 0x1, &(0x7f0000001700)=0x4) socketpair$unix(0x1, 0x2, 0x0, &(0x7f0000000200)={0xffffffffffffffff, 0xffffffffffffffff}) recvmmsg(r1, &(0x7f00000000c0), 0x10106, 0x2, 0x0) r3 = openat$loop_ctrl(0xffffff9c, &(0x7f0000000040), 0x0, 0x0) sendmmsg(r2, 0x0, 0x0, 0x0) r4 = getpid() sched_setaffinity(r4, 0x8, &(0x7f0000000000)=0x96f) ioctl$LOOP_CTL_ADD(r3, 0x4c80, 0x0) (fail_nth: 22) ioctl$LOOP_CTL_REMOVE(r3, 0x4c81, 0x0) 18:02:33 executing program 2: prctl$PR_SCHED_CORE(0x3e, 0x1, 0x0, 0x2, 0x0) r0 = syz_open_dev$sndmidi(&(0x7f0000000040), 0x2, 0x141101) r1 = dup(r0) write$6lowpan_enable(r1, 0x0, 0x0) syz_open_procfs(0x0, &(0x7f0000000080)='net/dev\x00') r2 = socket$inet6_sctp(0xa, 0x5, 0x84) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r2, 0x84, 0x9, &(0x7f0000000580)={0x0, @in={{0x2, 0x0, @empty}}, 0x0, 0x0, 0x3fc, 0x0, 0x32}, 0x9c) bind$packet(0xffffffffffffffff, &(0x7f0000000140)={0x11, 0xf0, 0x0, 0x1, 0x0, 0x6, @multicast}, 0x14) sendto$inet6(r2, &(0x7f0000847fff)='X', 0x34000, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) (fail_nth: 65) 18:02:33 executing program 3: r0 = dup(0xffffffffffffffff) write$6lowpan_enable(r0, &(0x7f0000000000)='0', 0xfffffd2c) r1 = socket$inet6_sctp(0xa, 0x5, 0x84) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r1, 0x84, 0x9, &(0x7f0000000580)={0x0, @in={{0x2, 0x0, @empty}}, 0x0, 0x0, 0x3fc, 0x0, 0x32}, 0x9c) bind$packet(0xffffffffffffffff, &(0x7f0000000140)={0x11, 0xf0, 0x0, 0x1, 0x0, 0x6, @multicast}, 0x14) sendto$inet6(r1, &(0x7f0000847fff)='X', 0xbb7, 0x0, &(0x7f000005ffe4)={0xa, 0x0, 0x0, @loopback}, 0x1c) 18:02:33 executing program 0: syz_open_dev$sndmidi(0x0, 0x2, 0x141101) r0 = dup(0xffffffffffffffff) write$6lowpan_enable(r0, &(0x7f0000000000)='0', 0xfffffd2c) syz_open_procfs(0x0, &(0x7f0000000080)='net/dev\x00') r1 = socket$inet6_sctp(0xa, 0x5, 0x84) sendmsg$nl_route(0xffffffffffffffff, 0x0, 0x0) close_range(0xffffffffffffffff, 0xffffffffffffffff, 0x0) sendto$inet6(r1, &(0x7f0000847fff)='X', 0x34000, 0x0, &(0x7f000005ffe4)={0xa, 0x0, 0x0, @loopback}, 0x1c) (fail_nth: 64) 18:02:33 executing program 0: syz_open_dev$sndmidi(0x0, 0x2, 0x141101) r0 = dup(0xffffffffffffffff) write$6lowpan_enable(r0, &(0x7f0000000000)='0', 0xfffffd2c) syz_open_procfs(0x0, &(0x7f0000000080)='net/dev\x00') r1 = socket$inet6_sctp(0xa, 0x5, 0x84) sendmsg$nl_route(0xffffffffffffffff, 0x0, 0x0) close_range(0xffffffffffffffff, 0xffffffffffffffff, 0x0) sendto$inet6(r1, &(0x7f0000847fff)='X', 0x34000, 0x0, &(0x7f000005ffe4)={0xa, 0x0, 0x0, @loopback}, 0x1c) (fail_nth: 65) 18:02:33 executing program 2: prctl$PR_SCHED_CORE(0x3e, 0x1, 0x0, 0x2, 0x0) r0 = syz_open_dev$sndmidi(&(0x7f0000000040), 0x2, 0x141101) r1 = dup(r0) write$6lowpan_enable(r1, 0x0, 0x0) syz_open_procfs(0x0, &(0x7f0000000080)='net/dev\x00') r2 = socket$inet6_sctp(0xa, 0x5, 0x84) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r2, 0x84, 0x9, &(0x7f0000000580)={0x0, @in={{0x2, 0x0, @empty}}, 0x0, 0x0, 0x3fc, 0x0, 0x32}, 0x9c) bind$packet(0xffffffffffffffff, &(0x7f0000000140)={0x11, 0xf0, 0x0, 0x1, 0x0, 0x6, @multicast}, 0x14) sendto$inet6(r2, &(0x7f0000847fff)='X', 0x34000, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) (fail_nth: 66) 18:02:33 executing program 1: prctl$PR_SCHED_CORE(0x3e, 0x1, 0x0, 0x2, 0x0) r0 = syz_open_dev$sndmidi(&(0x7f0000000040), 0x2, 0x141101) r1 = dup(r0) write$6lowpan_enable(r1, &(0x7f0000000000)='0', 0xfffffd2c) syz_open_procfs(0x0, &(0x7f0000000080)='net/dev\x00') r2 = socket$inet6_sctp(0xa, 0x5, 0x84) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r2, 0x84, 0x9, &(0x7f0000000580)={0x0, @in={{0x2, 0x0, @empty}}, 0x0, 0x0, 0x3fc, 0x0, 0x32}, 0x9c) bind$packet(0xffffffffffffffff, &(0x7f0000000140)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @multicast}, 0x14) sendto$inet6(r2, &(0x7f0000847fff)='X', 0x34000, 0x0, &(0x7f000005ffe4)={0xa, 0x0, 0x0, @loopback}, 0x1c) (fail_nth: 15) 18:02:33 executing program 2: prctl$PR_SCHED_CORE(0x3e, 0x1, 0x0, 0x2, 0x0) r0 = syz_open_dev$sndmidi(&(0x7f0000000040), 0x2, 0x141101) r1 = dup(r0) write$6lowpan_enable(r1, 0x0, 0x0) syz_open_procfs(0x0, &(0x7f0000000080)='net/dev\x00') r2 = socket$inet6_sctp(0xa, 0x5, 0x84) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r2, 0x84, 0x9, &(0x7f0000000580)={0x0, @in={{0x2, 0x0, @empty}}, 0x0, 0x0, 0x3fc, 0x0, 0x32}, 0x9c) bind$packet(0xffffffffffffffff, &(0x7f0000000140)={0x11, 0xf0, 0x0, 0x1, 0x0, 0x6, @multicast}, 0x14) sendto$inet6(r2, &(0x7f0000847fff)='X', 0x34000, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) (fail_nth: 67) 18:02:33 executing program 0: syz_open_dev$sndmidi(0x0, 0x2, 0x141101) r0 = dup(0xffffffffffffffff) write$6lowpan_enable(r0, &(0x7f0000000000)='0', 0xfffffd2c) syz_open_procfs(0x0, &(0x7f0000000080)='net/dev\x00') r1 = socket$inet6_sctp(0xa, 0x5, 0x84) sendmsg$nl_route(0xffffffffffffffff, 0x0, 0x0) close_range(0xffffffffffffffff, 0xffffffffffffffff, 0x0) sendto$inet6(r1, &(0x7f0000847fff)='X', 0x34000, 0x0, &(0x7f000005ffe4)={0xa, 0x0, 0x0, @loopback}, 0x1c) (fail_nth: 66) 18:02:34 executing program 2: prctl$PR_SCHED_CORE(0x3e, 0x1, 0x0, 0x2, 0x0) r0 = syz_open_dev$sndmidi(&(0x7f0000000040), 0x2, 0x141101) r1 = dup(r0) write$6lowpan_enable(r1, 0x0, 0x0) syz_open_procfs(0x0, &(0x7f0000000080)='net/dev\x00') r2 = socket$inet6_sctp(0xa, 0x5, 0x84) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r2, 0x84, 0x9, &(0x7f0000000580)={0x0, @in={{0x2, 0x0, @empty}}, 0x0, 0x0, 0x3fc, 0x0, 0x32}, 0x9c) bind$packet(0xffffffffffffffff, &(0x7f0000000140)={0x11, 0xf0, 0x0, 0x1, 0x0, 0x6, @multicast}, 0x14) sendto$inet6(r2, &(0x7f0000847fff)='X', 0x34000, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) (fail_nth: 68) 18:02:34 executing program 5: prctl$PR_SCHED_CORE(0x3e, 0x1, 0x0, 0x2, 0x0) r0 = syz_open_dev$sndmidi(&(0x7f0000000040), 0x2, 0x141101) r1 = dup(r0) write$6lowpan_enable(r1, &(0x7f0000000000)='0', 0xfffffd2c) tkill(0x0, 0x0) syz_open_procfs(0x0, 0x0) r2 = socket$inet6_sctp(0xa, 0x5, 0x84) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r2, 0x84, 0x9, &(0x7f0000000580)={0x0, @in={{0x2, 0x0, @empty}}, 0x0, 0x0, 0x3fc, 0x0, 0x32}, 0x9c) bind$packet(0xffffffffffffffff, &(0x7f0000000140)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @multicast}, 0x14) close_range(0xffffffffffffffff, 0xffffffffffffffff, 0x0) sendto$inet6(r2, &(0x7f0000847fff)='X', 0x34000, 0x0, &(0x7f000005ffe4)={0xa, 0x0, 0x0, @loopback}, 0x1c) (fail_nth: 21) 18:02:34 executing program 0: syz_open_dev$sndmidi(0x0, 0x2, 0x141101) r0 = dup(0xffffffffffffffff) write$6lowpan_enable(r0, &(0x7f0000000000)='0', 0xfffffd2c) syz_open_procfs(0x0, &(0x7f0000000080)='net/dev\x00') r1 = socket$inet6_sctp(0xa, 0x5, 0x84) sendmsg$nl_route(0xffffffffffffffff, 0x0, 0x0) close_range(0xffffffffffffffff, 0xffffffffffffffff, 0x0) sendto$inet6(r1, &(0x7f0000847fff)='X', 0x34000, 0x0, &(0x7f000005ffe4)={0xa, 0x0, 0x0, @loopback}, 0x1c) (fail_nth: 67) 18:02:34 executing program 4: prlimit64(0x0, 0xe, &(0x7f0000000140)={0x8, 0x8b}, 0x0) sched_setscheduler(0x0, 0x2, &(0x7f0000000080)=0x8) r0 = getpid() sched_setscheduler(r0, 0x1, &(0x7f0000001700)=0x4) socketpair$unix(0x1, 0x2, 0x0, &(0x7f0000000200)={0xffffffffffffffff, 0xffffffffffffffff}) recvmmsg(r1, &(0x7f00000000c0), 0x10106, 0x2, 0x0) r3 = openat$loop_ctrl(0xffffff9c, &(0x7f0000000040), 0x0, 0x0) sendmmsg(r2, 0x0, 0x0, 0x0) r4 = getpid() sched_setaffinity(r4, 0x8, &(0x7f0000000000)=0x96f) ioctl$LOOP_CTL_ADD(r3, 0x4c80, 0x0) (fail_nth: 23) ioctl$LOOP_CTL_REMOVE(r3, 0x4c81, 0x0) 18:02:34 executing program 0: syz_open_dev$sndmidi(0x0, 0x2, 0x141101) r0 = dup(0xffffffffffffffff) write$6lowpan_enable(r0, &(0x7f0000000000)='0', 0xfffffd2c) syz_open_procfs(0x0, &(0x7f0000000080)='net/dev\x00') r1 = socket$inet6_sctp(0xa, 0x5, 0x84) sendmsg$nl_route(0xffffffffffffffff, 0x0, 0x0) close_range(0xffffffffffffffff, 0xffffffffffffffff, 0x0) sendto$inet6(r1, &(0x7f0000847fff)='X', 0x34000, 0x0, &(0x7f000005ffe4)={0xa, 0x0, 0x0, @loopback}, 0x1c) (fail_nth: 68) 18:02:34 executing program 3: r0 = dup(0xffffffffffffffff) write$6lowpan_enable(r0, &(0x7f0000000000)='0', 0xfffffd2c) r1 = socket$inet6_sctp(0xa, 0x5, 0x84) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r1, 0x84, 0x9, &(0x7f0000000580)={0x0, @in={{0x2, 0x0, @empty}}, 0x0, 0x0, 0x3fc, 0x0, 0x32}, 0x9c) bind$packet(0xffffffffffffffff, &(0x7f0000000140)={0x11, 0xf0, 0x0, 0x1, 0x0, 0x6, @multicast}, 0x14) sendto$inet6(r1, &(0x7f0000847fff)='X', 0x34002, 0x0, &(0x7f000005ffe4)={0xa, 0x0, 0x0, @loopback}, 0x1c) 18:02:34 executing program 2: prctl$PR_SCHED_CORE(0x3e, 0x1, 0x0, 0x2, 0x0) r0 = syz_open_dev$sndmidi(&(0x7f0000000040), 0x2, 0x141101) r1 = dup(r0) write$6lowpan_enable(r1, 0x0, 0x0) syz_open_procfs(0x0, &(0x7f0000000080)='net/dev\x00') r2 = socket$inet6_sctp(0xa, 0x5, 0x84) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r2, 0x84, 0x9, &(0x7f0000000580)={0x0, @in={{0x2, 0x0, @empty}}, 0x0, 0x0, 0x3fc, 0x0, 0x32}, 0x9c) bind$packet(0xffffffffffffffff, &(0x7f0000000140)={0x11, 0xf0, 0x0, 0x1, 0x0, 0x6, @multicast}, 0x14) sendto$inet6(r2, &(0x7f0000847fff)='X', 0x34000, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) (fail_nth: 69) 18:02:34 executing program 3: r0 = dup(0xffffffffffffffff) write$6lowpan_enable(r0, &(0x7f0000000000)='0', 0xfffffd2c) r1 = socket$inet6_sctp(0xa, 0x5, 0x84) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r1, 0x84, 0x9, &(0x7f0000000580)={0x0, @in={{0x2, 0x0, @empty}}, 0x0, 0x0, 0x3fc, 0x0, 0x32}, 0x9c) bind$packet(0xffffffffffffffff, &(0x7f0000000140)={0x11, 0xf0, 0x0, 0x1, 0x0, 0x6, @multicast}, 0x14) sendto$inet6(r1, &(0x7f0000847fff)='X', 0x34003, 0x0, &(0x7f000005ffe4)={0xa, 0x0, 0x0, @loopback}, 0x1c) 18:02:34 executing program 0: syz_open_dev$sndmidi(0x0, 0x2, 0x141101) r0 = dup(0xffffffffffffffff) write$6lowpan_enable(r0, &(0x7f0000000000)='0', 0xfffffd2c) syz_open_procfs(0x0, &(0x7f0000000080)='net/dev\x00') r1 = socket$inet6_sctp(0xa, 0x5, 0x84) sendmsg$nl_route(0xffffffffffffffff, 0x0, 0x0) close_range(0xffffffffffffffff, 0xffffffffffffffff, 0x0) sendto$inet6(r1, &(0x7f0000847fff)='X', 0x34000, 0x0, &(0x7f000005ffe4)={0xa, 0x0, 0x0, @loopback}, 0x1c) (fail_nth: 69) 18:02:34 executing program 1: prctl$PR_SCHED_CORE(0x3e, 0x1, 0x0, 0x2, 0x0) r0 = syz_open_dev$sndmidi(&(0x7f0000000040), 0x2, 0x141101) r1 = dup(r0) write$6lowpan_enable(r1, &(0x7f0000000000)='0', 0xfffffd2c) syz_open_procfs(0x0, &(0x7f0000000080)='net/dev\x00') r2 = socket$inet6_sctp(0xa, 0x5, 0x84) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r2, 0x84, 0x9, &(0x7f0000000580)={0x0, @in={{0x2, 0x0, @empty}}, 0x0, 0x0, 0x3fc, 0x0, 0x32}, 0x9c) bind$packet(0xffffffffffffffff, &(0x7f0000000140)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @multicast}, 0x14) sendto$inet6(r2, &(0x7f0000847fff)='X', 0x34000, 0x0, &(0x7f000005ffe4)={0xa, 0x0, 0x0, @loopback}, 0x1c) (fail_nth: 16) 18:02:34 executing program 2: prctl$PR_SCHED_CORE(0x3e, 0x1, 0x0, 0x2, 0x0) r0 = syz_open_dev$sndmidi(&(0x7f0000000040), 0x2, 0x141101) r1 = dup(r0) write$6lowpan_enable(r1, 0x0, 0x0) syz_open_procfs(0x0, &(0x7f0000000080)='net/dev\x00') r2 = socket$inet6_sctp(0xa, 0x5, 0x84) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r2, 0x84, 0x9, &(0x7f0000000580)={0x0, @in={{0x2, 0x0, @empty}}, 0x0, 0x0, 0x3fc, 0x0, 0x32}, 0x9c) bind$packet(0xffffffffffffffff, &(0x7f0000000140)={0x11, 0xf0, 0x0, 0x1, 0x0, 0x6, @multicast}, 0x14) sendto$inet6(r2, &(0x7f0000847fff)='X', 0x34000, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) (fail_nth: 70) 18:02:34 executing program 3: r0 = dup(0xffffffffffffffff) write$6lowpan_enable(r0, &(0x7f0000000000)='0', 0xfffffd2c) r1 = socket$inet6_sctp(0xa, 0x5, 0x84) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r1, 0x84, 0x9, &(0x7f0000000580)={0x0, @in={{0x2, 0x0, @empty}}, 0x0, 0x0, 0x3fc, 0x0, 0x32}, 0x9c) bind$packet(0xffffffffffffffff, &(0x7f0000000140)={0x11, 0xf0, 0x0, 0x1, 0x0, 0x6, @multicast}, 0x14) sendto$inet6(r1, &(0x7f0000847fff)='X', 0x34004, 0x0, &(0x7f000005ffe4)={0xa, 0x0, 0x0, @loopback}, 0x1c) 18:02:34 executing program 0: syz_open_dev$sndmidi(0x0, 0x2, 0x141101) r0 = dup(0xffffffffffffffff) write$6lowpan_enable(r0, &(0x7f0000000000)='0', 0xfffffd2c) syz_open_procfs(0x0, &(0x7f0000000080)='net/dev\x00') r1 = socket$inet6_sctp(0xa, 0x5, 0x84) sendmsg$nl_route(0xffffffffffffffff, 0x0, 0x0) close_range(0xffffffffffffffff, 0xffffffffffffffff, 0x0) sendto$inet6(r1, &(0x7f0000847fff)='X', 0x34000, 0x0, &(0x7f000005ffe4)={0xa, 0x0, 0x0, @loopback}, 0x1c) (fail_nth: 70) 18:02:34 executing program 5: prctl$PR_SCHED_CORE(0x3e, 0x1, 0x0, 0x2, 0x0) r0 = syz_open_dev$sndmidi(&(0x7f0000000040), 0x2, 0x141101) r1 = dup(r0) write$6lowpan_enable(r1, &(0x7f0000000000)='0', 0xfffffd2c) tkill(0x0, 0x0) syz_open_procfs(0x0, 0x0) r2 = socket$inet6_sctp(0xa, 0x5, 0x84) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r2, 0x84, 0x9, &(0x7f0000000580)={0x0, @in={{0x2, 0x0, @empty}}, 0x0, 0x0, 0x3fc, 0x0, 0x32}, 0x9c) bind$packet(0xffffffffffffffff, &(0x7f0000000140)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @multicast}, 0x14) close_range(0xffffffffffffffff, 0xffffffffffffffff, 0x0) sendto$inet6(r2, &(0x7f0000847fff)='X', 0x34000, 0x0, &(0x7f000005ffe4)={0xa, 0x0, 0x0, @loopback}, 0x1c) (fail_nth: 22) 18:02:34 executing program 2: prctl$PR_SCHED_CORE(0x3e, 0x1, 0x0, 0x2, 0x0) r0 = syz_open_dev$sndmidi(&(0x7f0000000040), 0x2, 0x141101) r1 = dup(r0) write$6lowpan_enable(r1, 0x0, 0x0) syz_open_procfs(0x0, &(0x7f0000000080)='net/dev\x00') r2 = socket$inet6_sctp(0xa, 0x5, 0x84) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r2, 0x84, 0x9, &(0x7f0000000580)={0x0, @in={{0x2, 0x0, @empty}}, 0x0, 0x0, 0x3fc, 0x0, 0x32}, 0x9c) bind$packet(0xffffffffffffffff, &(0x7f0000000140)={0x11, 0xf0, 0x0, 0x1, 0x0, 0x6, @multicast}, 0x14) sendto$inet6(r2, &(0x7f0000847fff)='X', 0x34000, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) (fail_nth: 71) 18:02:34 executing program 3: r0 = dup(0xffffffffffffffff) write$6lowpan_enable(r0, &(0x7f0000000000)='0', 0xfffffd2c) r1 = socket$inet6_sctp(0xa, 0x5, 0x84) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r1, 0x84, 0x9, &(0x7f0000000580)={0x0, @in={{0x2, 0x0, @empty}}, 0x0, 0x0, 0x3fc, 0x0, 0x32}, 0x9c) bind$packet(0xffffffffffffffff, &(0x7f0000000140)={0x11, 0xf0, 0x0, 0x1, 0x0, 0x6, @multicast}, 0x14) sendto$inet6(r1, &(0x7f0000847fff)='X', 0x34005, 0x0, &(0x7f000005ffe4)={0xa, 0x0, 0x0, @loopback}, 0x1c) 18:02:34 executing program 0: syz_open_dev$sndmidi(0x0, 0x2, 0x141101) r0 = dup(0xffffffffffffffff) write$6lowpan_enable(r0, &(0x7f0000000000)='0', 0xfffffd2c) syz_open_procfs(0x0, &(0x7f0000000080)='net/dev\x00') r1 = socket$inet6_sctp(0xa, 0x5, 0x84) sendmsg$nl_route(0xffffffffffffffff, 0x0, 0x0) close_range(0xffffffffffffffff, 0xffffffffffffffff, 0x0) sendto$inet6(r1, &(0x7f0000847fff)='X', 0x34000, 0x0, &(0x7f000005ffe4)={0xa, 0x0, 0x0, @loopback}, 0x1c) (fail_nth: 71) 18:02:34 executing program 4: prlimit64(0x0, 0xe, &(0x7f0000000140)={0x8, 0x8b}, 0x0) sched_setscheduler(0x0, 0x2, &(0x7f0000000080)=0x8) r0 = getpid() sched_setscheduler(r0, 0x1, &(0x7f0000001700)=0x4) socketpair$unix(0x1, 0x2, 0x0, &(0x7f0000000200)={0xffffffffffffffff, 0xffffffffffffffff}) recvmmsg(r1, &(0x7f00000000c0), 0x10106, 0x2, 0x0) r3 = openat$loop_ctrl(0xffffff9c, &(0x7f0000000040), 0x0, 0x0) sendmmsg(r2, 0x0, 0x0, 0x0) r4 = getpid() sched_setaffinity(r4, 0x8, &(0x7f0000000000)=0x96f) ioctl$LOOP_CTL_ADD(r3, 0x4c80, 0x0) (fail_nth: 24) ioctl$LOOP_CTL_REMOVE(r3, 0x4c81, 0x0) 18:02:35 executing program 3: r0 = dup(0xffffffffffffffff) write$6lowpan_enable(r0, &(0x7f0000000000)='0', 0xfffffd2c) r1 = socket$inet6_sctp(0xa, 0x5, 0x84) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r1, 0x84, 0x9, &(0x7f0000000580)={0x0, @in={{0x2, 0x0, @empty}}, 0x0, 0x0, 0x3fc, 0x0, 0x32}, 0x9c) bind$packet(0xffffffffffffffff, &(0x7f0000000140)={0x11, 0xf0, 0x0, 0x1, 0x0, 0x6, @multicast}, 0x14) sendto$inet6(r1, &(0x7f0000847fff)='X', 0x34006, 0x0, &(0x7f000005ffe4)={0xa, 0x0, 0x0, @loopback}, 0x1c) 18:02:35 executing program 2: prctl$PR_SCHED_CORE(0x3e, 0x1, 0x0, 0x2, 0x0) r0 = syz_open_dev$sndmidi(&(0x7f0000000040), 0x2, 0x141101) r1 = dup(r0) write$6lowpan_enable(r1, 0x0, 0x0) syz_open_procfs(0x0, &(0x7f0000000080)='net/dev\x00') r2 = socket$inet6_sctp(0xa, 0x5, 0x84) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r2, 0x84, 0x9, &(0x7f0000000580)={0x0, @in={{0x2, 0x0, @empty}}, 0x0, 0x0, 0x3fc, 0x0, 0x32}, 0x9c) bind$packet(0xffffffffffffffff, &(0x7f0000000140)={0x11, 0xf0, 0x0, 0x1, 0x0, 0x6, @multicast}, 0x14) sendto$inet6(r2, &(0x7f0000847fff)='X', 0x34000, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) (fail_nth: 72) 18:02:35 executing program 0: syz_open_dev$sndmidi(0x0, 0x2, 0x141101) r0 = dup(0xffffffffffffffff) write$6lowpan_enable(r0, &(0x7f0000000000)='0', 0xfffffd2c) syz_open_procfs(0x0, &(0x7f0000000080)='net/dev\x00') r1 = socket$inet6_sctp(0xa, 0x5, 0x84) sendmsg$nl_route(0xffffffffffffffff, 0x0, 0x0) close_range(0xffffffffffffffff, 0xffffffffffffffff, 0x0) sendto$inet6(r1, &(0x7f0000847fff)='X', 0x34000, 0x0, &(0x7f000005ffe4)={0xa, 0x0, 0x0, @loopback}, 0x1c) (fail_nth: 72) 18:02:35 executing program 1: prctl$PR_SCHED_CORE(0x3e, 0x1, 0x0, 0x2, 0x0) r0 = syz_open_dev$sndmidi(&(0x7f0000000040), 0x2, 0x141101) r1 = dup(r0) write$6lowpan_enable(r1, &(0x7f0000000000)='0', 0xfffffd2c) syz_open_procfs(0x0, &(0x7f0000000080)='net/dev\x00') r2 = socket$inet6_sctp(0xa, 0x5, 0x84) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r2, 0x84, 0x9, &(0x7f0000000580)={0x0, @in={{0x2, 0x0, @empty}}, 0x0, 0x0, 0x3fc, 0x0, 0x32}, 0x9c) bind$packet(0xffffffffffffffff, &(0x7f0000000140)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @multicast}, 0x14) sendto$inet6(r2, &(0x7f0000847fff)='X', 0x34000, 0x0, &(0x7f000005ffe4)={0xa, 0x0, 0x0, @loopback}, 0x1c) (fail_nth: 17) 18:02:35 executing program 3: r0 = dup(0xffffffffffffffff) write$6lowpan_enable(r0, &(0x7f0000000000)='0', 0xfffffd2c) r1 = socket$inet6_sctp(0xa, 0x5, 0x84) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r1, 0x84, 0x9, &(0x7f0000000580)={0x0, @in={{0x2, 0x0, @empty}}, 0x0, 0x0, 0x3fc, 0x0, 0x32}, 0x9c) bind$packet(0xffffffffffffffff, &(0x7f0000000140)={0x11, 0xf0, 0x0, 0x1, 0x0, 0x6, @multicast}, 0x14) sendto$inet6(r1, &(0x7f0000847fff)='X', 0x34007, 0x0, &(0x7f000005ffe4)={0xa, 0x0, 0x0, @loopback}, 0x1c) 18:02:35 executing program 0: syz_open_dev$sndmidi(0x0, 0x2, 0x141101) r0 = dup(0xffffffffffffffff) write$6lowpan_enable(r0, &(0x7f0000000000)='0', 0xfffffd2c) syz_open_procfs(0x0, &(0x7f0000000080)='net/dev\x00') r1 = socket$inet6_sctp(0xa, 0x5, 0x84) sendmsg$nl_route(0xffffffffffffffff, 0x0, 0x0) close_range(0xffffffffffffffff, 0xffffffffffffffff, 0x0) sendto$inet6(r1, &(0x7f0000847fff)='X', 0x34000, 0x0, &(0x7f000005ffe4)={0xa, 0x0, 0x0, @loopback}, 0x1c) (fail_nth: 73) 18:02:35 executing program 2: prctl$PR_SCHED_CORE(0x3e, 0x1, 0x0, 0x2, 0x0) r0 = syz_open_dev$sndmidi(&(0x7f0000000040), 0x2, 0x141101) r1 = dup(r0) write$6lowpan_enable(r1, 0x0, 0x0) syz_open_procfs(0x0, &(0x7f0000000080)='net/dev\x00') r2 = socket$inet6_sctp(0xa, 0x5, 0x84) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r2, 0x84, 0x9, &(0x7f0000000580)={0x0, @in={{0x2, 0x0, @empty}}, 0x0, 0x0, 0x3fc, 0x0, 0x32}, 0x9c) bind$packet(0xffffffffffffffff, &(0x7f0000000140)={0x11, 0xf0, 0x0, 0x1, 0x0, 0x6, @multicast}, 0x14) sendto$inet6(r2, &(0x7f0000847fff)='X', 0x34000, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) (fail_nth: 73) 18:02:35 executing program 5: prctl$PR_SCHED_CORE(0x3e, 0x1, 0x0, 0x2, 0x0) r0 = syz_open_dev$sndmidi(&(0x7f0000000040), 0x2, 0x141101) r1 = dup(r0) write$6lowpan_enable(r1, &(0x7f0000000000)='0', 0xfffffd2c) tkill(0x0, 0x0) syz_open_procfs(0x0, 0x0) r2 = socket$inet6_sctp(0xa, 0x5, 0x84) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r2, 0x84, 0x9, &(0x7f0000000580)={0x0, @in={{0x2, 0x0, @empty}}, 0x0, 0x0, 0x3fc, 0x0, 0x32}, 0x9c) bind$packet(0xffffffffffffffff, &(0x7f0000000140)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @multicast}, 0x14) close_range(0xffffffffffffffff, 0xffffffffffffffff, 0x0) sendto$inet6(r2, &(0x7f0000847fff)='X', 0x34000, 0x0, &(0x7f000005ffe4)={0xa, 0x0, 0x0, @loopback}, 0x1c) (fail_nth: 23) 18:02:35 executing program 3: r0 = dup(0xffffffffffffffff) write$6lowpan_enable(r0, &(0x7f0000000000)='0', 0xfffffd2c) r1 = socket$inet6_sctp(0xa, 0x5, 0x84) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r1, 0x84, 0x9, &(0x7f0000000580)={0x0, @in={{0x2, 0x0, @empty}}, 0x0, 0x0, 0x3fc, 0x0, 0x32}, 0x9c) bind$packet(0xffffffffffffffff, &(0x7f0000000140)={0x11, 0xf0, 0x0, 0x1, 0x0, 0x6, @multicast}, 0x14) sendto$inet6(r1, &(0x7f0000847fff)='X', 0x34008, 0x0, &(0x7f000005ffe4)={0xa, 0x0, 0x0, @loopback}, 0x1c) 18:02:35 executing program 0: syz_open_dev$sndmidi(0x0, 0x2, 0x141101) r0 = dup(0xffffffffffffffff) write$6lowpan_enable(r0, &(0x7f0000000000)='0', 0xfffffd2c) syz_open_procfs(0x0, &(0x7f0000000080)='net/dev\x00') r1 = socket$inet6_sctp(0xa, 0x5, 0x84) sendmsg$nl_route(0xffffffffffffffff, 0x0, 0x0) close_range(0xffffffffffffffff, 0xffffffffffffffff, 0x0) sendto$inet6(r1, &(0x7f0000847fff)='X', 0x34000, 0x0, &(0x7f000005ffe4)={0xa, 0x0, 0x0, @loopback}, 0x1c) (fail_nth: 74) 18:02:35 executing program 2: prctl$PR_SCHED_CORE(0x3e, 0x1, 0x0, 0x2, 0x0) r0 = syz_open_dev$sndmidi(&(0x7f0000000040), 0x2, 0x141101) r1 = dup(r0) write$6lowpan_enable(r1, 0x0, 0x0) syz_open_procfs(0x0, &(0x7f0000000080)='net/dev\x00') r2 = socket$inet6_sctp(0xa, 0x5, 0x84) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r2, 0x84, 0x9, &(0x7f0000000580)={0x0, @in={{0x2, 0x0, @empty}}, 0x0, 0x0, 0x3fc, 0x0, 0x32}, 0x9c) bind$packet(0xffffffffffffffff, &(0x7f0000000140)={0x11, 0xf0, 0x0, 0x1, 0x0, 0x6, @multicast}, 0x14) sendto$inet6(r2, &(0x7f0000847fff)='X', 0x34000, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) (fail_nth: 74) 18:02:35 executing program 4: prlimit64(0x0, 0xe, &(0x7f0000000140)={0x8, 0x8b}, 0x0) sched_setscheduler(0x0, 0x2, &(0x7f0000000080)=0x8) r0 = getpid() sched_setscheduler(r0, 0x1, &(0x7f0000001700)=0x4) socketpair$unix(0x1, 0x2, 0x0, &(0x7f0000000200)={0xffffffffffffffff, 0xffffffffffffffff}) recvmmsg(r1, &(0x7f00000000c0), 0x10106, 0x2, 0x0) r3 = openat$loop_ctrl(0xffffff9c, &(0x7f0000000040), 0x0, 0x0) sendmmsg(r2, 0x0, 0x0, 0x0) r4 = getpid() sched_setaffinity(r4, 0x8, &(0x7f0000000000)=0x96f) ioctl$LOOP_CTL_ADD(r3, 0x4c80, 0x0) (fail_nth: 25) ioctl$LOOP_CTL_REMOVE(r3, 0x4c81, 0x0) 18:02:35 executing program 2: prctl$PR_SCHED_CORE(0x3e, 0x1, 0x0, 0x2, 0x0) r0 = syz_open_dev$sndmidi(&(0x7f0000000040), 0x2, 0x141101) r1 = dup(r0) write$6lowpan_enable(r1, 0x0, 0x0) syz_open_procfs(0x0, &(0x7f0000000080)='net/dev\x00') r2 = socket$inet6_sctp(0xa, 0x5, 0x84) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r2, 0x84, 0x9, &(0x7f0000000580)={0x0, @in={{0x2, 0x0, @empty}}, 0x0, 0x0, 0x3fc, 0x0, 0x32}, 0x9c) bind$packet(0xffffffffffffffff, &(0x7f0000000140)={0x11, 0xf0, 0x0, 0x1, 0x0, 0x6, @multicast}, 0x14) sendto$inet6(r2, &(0x7f0000847fff)='X', 0x34000, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) (fail_nth: 75) 18:02:36 executing program 3: r0 = dup(0xffffffffffffffff) write$6lowpan_enable(r0, &(0x7f0000000000)='0', 0xfffffd2c) r1 = socket$inet6_sctp(0xa, 0x5, 0x84) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r1, 0x84, 0x9, &(0x7f0000000580)={0x0, @in={{0x2, 0x0, @empty}}, 0x0, 0x0, 0x3fc, 0x0, 0x32}, 0x9c) bind$packet(0xffffffffffffffff, &(0x7f0000000140)={0x11, 0xf0, 0x0, 0x1, 0x0, 0x6, @multicast}, 0x14) sendto$inet6(r1, &(0x7f0000847fff)='X', 0x34009, 0x0, &(0x7f000005ffe4)={0xa, 0x0, 0x0, @loopback}, 0x1c) 18:02:36 executing program 0: syz_open_dev$sndmidi(0x0, 0x2, 0x141101) r0 = dup(0xffffffffffffffff) write$6lowpan_enable(r0, &(0x7f0000000000)='0', 0xfffffd2c) syz_open_procfs(0x0, &(0x7f0000000080)='net/dev\x00') r1 = socket$inet6_sctp(0xa, 0x5, 0x84) sendmsg$nl_route(0xffffffffffffffff, 0x0, 0x0) close_range(0xffffffffffffffff, 0xffffffffffffffff, 0x0) sendto$inet6(r1, &(0x7f0000847fff)='X', 0x34000, 0x0, &(0x7f000005ffe4)={0xa, 0x0, 0x0, @loopback}, 0x1c) (fail_nth: 75) 18:02:36 executing program 1: prctl$PR_SCHED_CORE(0x3e, 0x1, 0x0, 0x2, 0x0) r0 = syz_open_dev$sndmidi(&(0x7f0000000040), 0x2, 0x141101) r1 = dup(r0) write$6lowpan_enable(r1, &(0x7f0000000000)='0', 0xfffffd2c) syz_open_procfs(0x0, &(0x7f0000000080)='net/dev\x00') r2 = socket$inet6_sctp(0xa, 0x5, 0x84) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r2, 0x84, 0x9, &(0x7f0000000580)={0x0, @in={{0x2, 0x0, @empty}}, 0x0, 0x0, 0x3fc, 0x0, 0x32}, 0x9c) bind$packet(0xffffffffffffffff, &(0x7f0000000140)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @multicast}, 0x14) sendto$inet6(r2, &(0x7f0000847fff)='X', 0x34000, 0x0, &(0x7f000005ffe4)={0xa, 0x0, 0x0, @loopback}, 0x1c) (fail_nth: 18) 18:02:36 executing program 0: syz_open_dev$sndmidi(0x0, 0x2, 0x141101) r0 = dup(0xffffffffffffffff) write$6lowpan_enable(r0, &(0x7f0000000000)='0', 0xfffffd2c) syz_open_procfs(0x0, &(0x7f0000000080)='net/dev\x00') r1 = socket$inet6_sctp(0xa, 0x5, 0x84) sendmsg$nl_route(0xffffffffffffffff, 0x0, 0x0) close_range(0xffffffffffffffff, 0xffffffffffffffff, 0x0) sendto$inet6(r1, &(0x7f0000847fff)='X', 0x34000, 0x0, &(0x7f000005ffe4)={0xa, 0x0, 0x0, @loopback}, 0x1c) (fail_nth: 76) 18:02:36 executing program 3: r0 = dup(0xffffffffffffffff) write$6lowpan_enable(r0, &(0x7f0000000000)='0', 0xfffffd2c) r1 = socket$inet6_sctp(0xa, 0x5, 0x84) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r1, 0x84, 0x9, &(0x7f0000000580)={0x0, @in={{0x2, 0x0, @empty}}, 0x0, 0x0, 0x3fc, 0x0, 0x32}, 0x9c) bind$packet(0xffffffffffffffff, &(0x7f0000000140)={0x11, 0xf0, 0x0, 0x1, 0x0, 0x6, @multicast}, 0x14) sendto$inet6(r1, &(0x7f0000847fff)='X', 0x3400a, 0x0, &(0x7f000005ffe4)={0xa, 0x0, 0x0, @loopback}, 0x1c) 18:02:36 executing program 2: prctl$PR_SCHED_CORE(0x3e, 0x1, 0x0, 0x2, 0x0) r0 = syz_open_dev$sndmidi(&(0x7f0000000040), 0x2, 0x141101) r1 = dup(r0) write$6lowpan_enable(r1, 0x0, 0x0) syz_open_procfs(0x0, &(0x7f0000000080)='net/dev\x00') r2 = socket$inet6_sctp(0xa, 0x5, 0x84) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r2, 0x84, 0x9, &(0x7f0000000580)={0x0, @in={{0x2, 0x0, @empty}}, 0x0, 0x0, 0x3fc, 0x0, 0x32}, 0x9c) bind$packet(0xffffffffffffffff, &(0x7f0000000140)={0x11, 0xf0, 0x0, 0x1, 0x0, 0x6, @multicast}, 0x14) sendto$inet6(r2, &(0x7f0000847fff)='X', 0x34000, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) (fail_nth: 76) 18:02:36 executing program 5: prctl$PR_SCHED_CORE(0x3e, 0x1, 0x0, 0x2, 0x0) r0 = syz_open_dev$sndmidi(&(0x7f0000000040), 0x2, 0x141101) r1 = dup(r0) write$6lowpan_enable(r1, &(0x7f0000000000)='0', 0xfffffd2c) tkill(0x0, 0x0) syz_open_procfs(0x0, 0x0) r2 = socket$inet6_sctp(0xa, 0x5, 0x84) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r2, 0x84, 0x9, &(0x7f0000000580)={0x0, @in={{0x2, 0x0, @empty}}, 0x0, 0x0, 0x3fc, 0x0, 0x32}, 0x9c) bind$packet(0xffffffffffffffff, &(0x7f0000000140)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @multicast}, 0x14) close_range(0xffffffffffffffff, 0xffffffffffffffff, 0x0) sendto$inet6(r2, &(0x7f0000847fff)='X', 0x34000, 0x0, &(0x7f000005ffe4)={0xa, 0x0, 0x0, @loopback}, 0x1c) (fail_nth: 24) 18:02:36 executing program 0: syz_open_dev$sndmidi(0x0, 0x2, 0x141101) r0 = dup(0xffffffffffffffff) write$6lowpan_enable(r0, &(0x7f0000000000)='0', 0xfffffd2c) syz_open_procfs(0x0, &(0x7f0000000080)='net/dev\x00') r1 = socket$inet6_sctp(0xa, 0x5, 0x84) sendmsg$nl_route(0xffffffffffffffff, 0x0, 0x0) close_range(0xffffffffffffffff, 0xffffffffffffffff, 0x0) sendto$inet6(r1, &(0x7f0000847fff)='X', 0x34000, 0x0, &(0x7f000005ffe4)={0xa, 0x0, 0x0, @loopback}, 0x1c) (fail_nth: 77) 18:02:36 executing program 2: prctl$PR_SCHED_CORE(0x3e, 0x1, 0x0, 0x2, 0x0) r0 = syz_open_dev$sndmidi(&(0x7f0000000040), 0x2, 0x141101) r1 = dup(r0) write$6lowpan_enable(r1, 0x0, 0x0) syz_open_procfs(0x0, &(0x7f0000000080)='net/dev\x00') r2 = socket$inet6_sctp(0xa, 0x5, 0x84) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r2, 0x84, 0x9, &(0x7f0000000580)={0x0, @in={{0x2, 0x0, @empty}}, 0x0, 0x0, 0x3fc, 0x0, 0x32}, 0x9c) bind$packet(0xffffffffffffffff, &(0x7f0000000140)={0x11, 0xf0, 0x0, 0x1, 0x0, 0x6, @multicast}, 0x14) sendto$inet6(r2, &(0x7f0000847fff)='X', 0x34000, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) (fail_nth: 77) 18:02:36 executing program 3: r0 = dup(0xffffffffffffffff) write$6lowpan_enable(r0, &(0x7f0000000000)='0', 0xfffffd2c) r1 = socket$inet6_sctp(0xa, 0x5, 0x84) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r1, 0x84, 0x9, &(0x7f0000000580)={0x0, @in={{0x2, 0x0, @empty}}, 0x0, 0x0, 0x3fc, 0x0, 0x32}, 0x9c) bind$packet(0xffffffffffffffff, &(0x7f0000000140)={0x11, 0xf0, 0x0, 0x1, 0x0, 0x6, @multicast}, 0x14) sendto$inet6(r1, &(0x7f0000847fff)='X', 0x3400f, 0x0, &(0x7f000005ffe4)={0xa, 0x0, 0x0, @loopback}, 0x1c) 18:02:36 executing program 4: prlimit64(0x0, 0xe, &(0x7f0000000140)={0x8, 0x8b}, 0x0) sched_setscheduler(0x0, 0x2, &(0x7f0000000080)=0x8) r0 = getpid() sched_setscheduler(r0, 0x1, &(0x7f0000001700)=0x4) socketpair$unix(0x1, 0x2, 0x0, &(0x7f0000000200)={0xffffffffffffffff, 0xffffffffffffffff}) recvmmsg(r1, &(0x7f00000000c0), 0x10106, 0x2, 0x0) r3 = openat$loop_ctrl(0xffffff9c, &(0x7f0000000040), 0x0, 0x0) sendmmsg(r2, 0x0, 0x0, 0x0) r4 = getpid() sched_setaffinity(r4, 0x8, &(0x7f0000000000)=0x96f) ioctl$LOOP_CTL_ADD(r3, 0x4c80, 0x0) (fail_nth: 26) ioctl$LOOP_CTL_REMOVE(r3, 0x4c81, 0x0) 18:02:36 executing program 3: r0 = dup(0xffffffffffffffff) write$6lowpan_enable(r0, &(0x7f0000000000)='0', 0xfffffd2c) r1 = socket$inet6_sctp(0xa, 0x5, 0x84) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r1, 0x84, 0x9, &(0x7f0000000580)={0x0, @in={{0x2, 0x0, @empty}}, 0x0, 0x0, 0x3fc, 0x0, 0x32}, 0x9c) bind$packet(0xffffffffffffffff, &(0x7f0000000140)={0x11, 0xf0, 0x0, 0x1, 0x0, 0x6, @multicast}, 0x14) sendto$inet6(r1, &(0x7f0000847fff)='X', 0x340fc, 0x0, &(0x7f000005ffe4)={0xa, 0x0, 0x0, @loopback}, 0x1c) 18:02:36 executing program 0: syz_open_dev$sndmidi(0x0, 0x2, 0x141101) r0 = dup(0xffffffffffffffff) write$6lowpan_enable(r0, &(0x7f0000000000)='0', 0xfffffd2c) syz_open_procfs(0x0, &(0x7f0000000080)='net/dev\x00') r1 = socket$inet6_sctp(0xa, 0x5, 0x84) sendmsg$nl_route(0xffffffffffffffff, 0x0, 0x0) close_range(0xffffffffffffffff, 0xffffffffffffffff, 0x0) sendto$inet6(r1, &(0x7f0000847fff)='X', 0x34000, 0x0, &(0x7f000005ffe4)={0xa, 0x0, 0x0, @loopback}, 0x1c) (fail_nth: 78) 18:02:36 executing program 2: prctl$PR_SCHED_CORE(0x3e, 0x1, 0x0, 0x2, 0x0) r0 = syz_open_dev$sndmidi(&(0x7f0000000040), 0x2, 0x141101) r1 = dup(r0) write$6lowpan_enable(r1, 0x0, 0x0) syz_open_procfs(0x0, &(0x7f0000000080)='net/dev\x00') r2 = socket$inet6_sctp(0xa, 0x5, 0x84) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r2, 0x84, 0x9, &(0x7f0000000580)={0x0, @in={{0x2, 0x0, @empty}}, 0x0, 0x0, 0x3fc, 0x0, 0x32}, 0x9c) bind$packet(0xffffffffffffffff, &(0x7f0000000140)={0x11, 0xf0, 0x0, 0x1, 0x0, 0x6, @multicast}, 0x14) sendto$inet6(r2, &(0x7f0000847fff)='X', 0x34000, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) (fail_nth: 78) 18:02:37 executing program 1: prctl$PR_SCHED_CORE(0x3e, 0x1, 0x0, 0x2, 0x0) r0 = syz_open_dev$sndmidi(&(0x7f0000000040), 0x2, 0x141101) r1 = dup(r0) write$6lowpan_enable(r1, &(0x7f0000000000)='0', 0xfffffd2c) syz_open_procfs(0x0, &(0x7f0000000080)='net/dev\x00') r2 = socket$inet6_sctp(0xa, 0x5, 0x84) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r2, 0x84, 0x9, &(0x7f0000000580)={0x0, @in={{0x2, 0x0, @empty}}, 0x0, 0x0, 0x3fc, 0x0, 0x32}, 0x9c) bind$packet(0xffffffffffffffff, &(0x7f0000000140)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @multicast}, 0x14) sendto$inet6(r2, &(0x7f0000847fff)='X', 0x34000, 0x0, &(0x7f000005ffe4)={0xa, 0x0, 0x0, @loopback}, 0x1c) (fail_nth: 19) 18:02:37 executing program 0: syz_open_dev$sndmidi(0x0, 0x2, 0x141101) r0 = dup(0xffffffffffffffff) write$6lowpan_enable(r0, &(0x7f0000000000)='0', 0xfffffd2c) syz_open_procfs(0x0, &(0x7f0000000080)='net/dev\x00') r1 = socket$inet6_sctp(0xa, 0x5, 0x84) sendmsg$nl_route(0xffffffffffffffff, 0x0, 0x0) close_range(0xffffffffffffffff, 0xffffffffffffffff, 0x0) sendto$inet6(r1, &(0x7f0000847fff)='X', 0x34000, 0x0, &(0x7f000005ffe4)={0xa, 0x0, 0x0, @loopback}, 0x1c) (fail_nth: 79) 18:02:37 executing program 3: r0 = dup(0xffffffffffffffff) write$6lowpan_enable(r0, &(0x7f0000000000)='0', 0xfffffd2c) r1 = socket$inet6_sctp(0xa, 0x5, 0x84) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r1, 0x84, 0x9, &(0x7f0000000580)={0x0, @in={{0x2, 0x0, @empty}}, 0x0, 0x0, 0x3fc, 0x0, 0x32}, 0x9c) bind$packet(0xffffffffffffffff, &(0x7f0000000140)={0x11, 0xf0, 0x0, 0x1, 0x0, 0x6, @multicast}, 0x14) sendto$inet6(r1, &(0x7f0000847fff)='X', 0x3d800, 0x0, &(0x7f000005ffe4)={0xa, 0x0, 0x0, @loopback}, 0x1c) 18:02:37 executing program 2: prctl$PR_SCHED_CORE(0x3e, 0x1, 0x0, 0x2, 0x0) r0 = syz_open_dev$sndmidi(&(0x7f0000000040), 0x2, 0x141101) r1 = dup(r0) write$6lowpan_enable(r1, 0x0, 0x0) syz_open_procfs(0x0, &(0x7f0000000080)='net/dev\x00') r2 = socket$inet6_sctp(0xa, 0x5, 0x84) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r2, 0x84, 0x9, &(0x7f0000000580)={0x0, @in={{0x2, 0x0, @empty}}, 0x0, 0x0, 0x3fc, 0x0, 0x32}, 0x9c) bind$packet(0xffffffffffffffff, &(0x7f0000000140)={0x11, 0xf0, 0x0, 0x1, 0x0, 0x6, @multicast}, 0x14) sendto$inet6(r2, &(0x7f0000847fff)='X', 0x34000, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) (fail_nth: 79) 18:02:37 executing program 5: prctl$PR_SCHED_CORE(0x3e, 0x1, 0x0, 0x2, 0x0) r0 = syz_open_dev$sndmidi(&(0x7f0000000040), 0x2, 0x141101) r1 = dup(r0) write$6lowpan_enable(r1, &(0x7f0000000000)='0', 0xfffffd2c) tkill(0x0, 0x0) syz_open_procfs(0x0, 0x0) r2 = socket$inet6_sctp(0xa, 0x5, 0x84) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r2, 0x84, 0x9, &(0x7f0000000580)={0x0, @in={{0x2, 0x0, @empty}}, 0x0, 0x0, 0x3fc, 0x0, 0x32}, 0x9c) bind$packet(0xffffffffffffffff, &(0x7f0000000140)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @multicast}, 0x14) close_range(0xffffffffffffffff, 0xffffffffffffffff, 0x0) sendto$inet6(r2, &(0x7f0000847fff)='X', 0x34000, 0x0, &(0x7f000005ffe4)={0xa, 0x0, 0x0, @loopback}, 0x1c) (fail_nth: 25) 18:02:37 executing program 0: syz_open_dev$sndmidi(0x0, 0x2, 0x141101) r0 = dup(0xffffffffffffffff) write$6lowpan_enable(r0, &(0x7f0000000000)='0', 0xfffffd2c) syz_open_procfs(0x0, &(0x7f0000000080)='net/dev\x00') r1 = socket$inet6_sctp(0xa, 0x5, 0x84) sendmsg$nl_route(0xffffffffffffffff, 0x0, 0x0) close_range(0xffffffffffffffff, 0xffffffffffffffff, 0x0) sendto$inet6(r1, &(0x7f0000847fff)='X', 0x34000, 0x0, &(0x7f000005ffe4)={0xa, 0x0, 0x0, @loopback}, 0x1c) (fail_nth: 80) 18:02:37 executing program 2: prctl$PR_SCHED_CORE(0x3e, 0x1, 0x0, 0x2, 0x0) r0 = syz_open_dev$sndmidi(&(0x7f0000000040), 0x2, 0x141101) r1 = dup(r0) write$6lowpan_enable(r1, 0x0, 0x0) syz_open_procfs(0x0, &(0x7f0000000080)='net/dev\x00') r2 = socket$inet6_sctp(0xa, 0x5, 0x84) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r2, 0x84, 0x9, &(0x7f0000000580)={0x0, @in={{0x2, 0x0, @empty}}, 0x0, 0x0, 0x3fc, 0x0, 0x32}, 0x9c) bind$packet(0xffffffffffffffff, &(0x7f0000000140)={0x11, 0xf0, 0x0, 0x1, 0x0, 0x6, @multicast}, 0x14) sendto$inet6(r2, &(0x7f0000847fff)='X', 0x34000, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) (fail_nth: 80) 18:02:37 executing program 3: r0 = dup(0xffffffffffffffff) write$6lowpan_enable(r0, &(0x7f0000000000)='0', 0xfffffd2c) r1 = socket$inet6_sctp(0xa, 0x5, 0x84) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r1, 0x84, 0x9, &(0x7f0000000580)={0x0, @in={{0x2, 0x0, @empty}}, 0x0, 0x0, 0x3fc, 0x0, 0x32}, 0x9c) bind$packet(0xffffffffffffffff, &(0x7f0000000140)={0x11, 0xf0, 0x0, 0x1, 0x0, 0x6, @multicast}, 0x14) sendto$inet6(r1, &(0x7f0000847fff)='X', 0x34000, 0x2, &(0x7f000005ffe4)={0xa, 0x0, 0x0, @loopback}, 0x1c) 18:02:37 executing program 4: prlimit64(0x0, 0xe, &(0x7f0000000140)={0x8, 0x8b}, 0x0) sched_setscheduler(0x0, 0x2, &(0x7f0000000080)=0x8) r0 = getpid() sched_setscheduler(r0, 0x1, &(0x7f0000001700)=0x4) socketpair$unix(0x1, 0x2, 0x0, &(0x7f0000000200)={0xffffffffffffffff, 0xffffffffffffffff}) recvmmsg(r1, &(0x7f00000000c0), 0x10106, 0x2, 0x0) r3 = openat$loop_ctrl(0xffffff9c, &(0x7f0000000040), 0x0, 0x0) sendmmsg(r2, 0x0, 0x0, 0x0) r4 = getpid() sched_setaffinity(r4, 0x8, &(0x7f0000000000)=0x96f) ioctl$LOOP_CTL_ADD(r3, 0x4c80, 0x0) (fail_nth: 27) ioctl$LOOP_CTL_REMOVE(r3, 0x4c81, 0x0) [ 807.845992][ T1229] ieee802154 phy0 wpan0: encryption failed: -22 [ 807.853080][ T1229] ieee802154 phy1 wpan1: encryption failed: -22 18:02:37 executing program 2: prctl$PR_SCHED_CORE(0x3e, 0x1, 0x0, 0x2, 0x0) r0 = syz_open_dev$sndmidi(&(0x7f0000000040), 0x2, 0x141101) r1 = dup(r0) write$6lowpan_enable(r1, 0x0, 0x0) syz_open_procfs(0x0, &(0x7f0000000080)='net/dev\x00') r2 = socket$inet6_sctp(0xa, 0x5, 0x84) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r2, 0x84, 0x9, &(0x7f0000000580)={0x0, @in={{0x2, 0x0, @empty}}, 0x0, 0x0, 0x3fc, 0x0, 0x32}, 0x9c) bind$packet(0xffffffffffffffff, &(0x7f0000000140)={0x11, 0xf0, 0x0, 0x1, 0x0, 0x6, @multicast}, 0x14) sendto$inet6(r2, &(0x7f0000847fff)='X', 0x34000, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) (fail_nth: 81) 18:02:37 executing program 0: syz_open_dev$sndmidi(0x0, 0x2, 0x141101) r0 = dup(0xffffffffffffffff) write$6lowpan_enable(r0, &(0x7f0000000000)='0', 0xfffffd2c) syz_open_procfs(0x0, &(0x7f0000000080)='net/dev\x00') r1 = socket$inet6_sctp(0xa, 0x5, 0x84) sendmsg$nl_route(0xffffffffffffffff, 0x0, 0x0) close_range(0xffffffffffffffff, 0xffffffffffffffff, 0x0) sendto$inet6(r1, &(0x7f0000847fff)='X', 0x34000, 0x0, &(0x7f000005ffe4)={0xa, 0x0, 0x0, @loopback}, 0x1c) (fail_nth: 81) 18:02:38 executing program 2: prctl$PR_SCHED_CORE(0x3e, 0x1, 0x0, 0x2, 0x0) r0 = syz_open_dev$sndmidi(&(0x7f0000000040), 0x2, 0x141101) r1 = dup(r0) write$6lowpan_enable(r1, 0x0, 0x0) syz_open_procfs(0x0, &(0x7f0000000080)='net/dev\x00') r2 = socket$inet6_sctp(0xa, 0x5, 0x84) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r2, 0x84, 0x9, &(0x7f0000000580)={0x0, @in={{0x2, 0x0, @empty}}, 0x0, 0x0, 0x3fc, 0x0, 0x32}, 0x9c) bind$packet(0xffffffffffffffff, &(0x7f0000000140)={0x11, 0xf0, 0x0, 0x1, 0x0, 0x6, @multicast}, 0x14) sendto$inet6(r2, &(0x7f0000847fff)='X', 0x34000, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) (fail_nth: 82) 18:02:38 executing program 1: prctl$PR_SCHED_CORE(0x3e, 0x1, 0x0, 0x2, 0x0) r0 = syz_open_dev$sndmidi(&(0x7f0000000040), 0x2, 0x141101) r1 = dup(r0) write$6lowpan_enable(r1, &(0x7f0000000000)='0', 0xfffffd2c) syz_open_procfs(0x0, &(0x7f0000000080)='net/dev\x00') r2 = socket$inet6_sctp(0xa, 0x5, 0x84) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r2, 0x84, 0x9, &(0x7f0000000580)={0x0, @in={{0x2, 0x0, @empty}}, 0x0, 0x0, 0x3fc, 0x0, 0x32}, 0x9c) bind$packet(0xffffffffffffffff, &(0x7f0000000140)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @multicast}, 0x14) sendto$inet6(r2, &(0x7f0000847fff)='X', 0x34000, 0x0, &(0x7f000005ffe4)={0xa, 0x0, 0x0, @loopback}, 0x1c) (fail_nth: 20) 18:02:38 executing program 0: syz_open_dev$sndmidi(0x0, 0x2, 0x141101) r0 = dup(0xffffffffffffffff) write$6lowpan_enable(r0, &(0x7f0000000000)='0', 0xfffffd2c) syz_open_procfs(0x0, &(0x7f0000000080)='net/dev\x00') r1 = socket$inet6_sctp(0xa, 0x5, 0x84) sendmsg$nl_route(0xffffffffffffffff, 0x0, 0x0) close_range(0xffffffffffffffff, 0xffffffffffffffff, 0x0) sendto$inet6(r1, &(0x7f0000847fff)='X', 0x34000, 0x0, &(0x7f000005ffe4)={0xa, 0x0, 0x0, @loopback}, 0x1c) (fail_nth: 82) 18:02:38 executing program 2: prctl$PR_SCHED_CORE(0x3e, 0x1, 0x0, 0x2, 0x0) r0 = syz_open_dev$sndmidi(&(0x7f0000000040), 0x2, 0x141101) r1 = dup(r0) write$6lowpan_enable(r1, 0x0, 0x0) syz_open_procfs(0x0, &(0x7f0000000080)='net/dev\x00') r2 = socket$inet6_sctp(0xa, 0x5, 0x84) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r2, 0x84, 0x9, &(0x7f0000000580)={0x0, @in={{0x2, 0x0, @empty}}, 0x0, 0x0, 0x3fc, 0x0, 0x32}, 0x9c) bind$packet(0xffffffffffffffff, &(0x7f0000000140)={0x11, 0xf0, 0x0, 0x1, 0x0, 0x6, @multicast}, 0x14) sendto$inet6(r2, &(0x7f0000847fff)='X', 0x34000, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) (fail_nth: 83) 18:02:38 executing program 0: syz_open_dev$sndmidi(0x0, 0x2, 0x141101) r0 = dup(0xffffffffffffffff) write$6lowpan_enable(r0, &(0x7f0000000000)='0', 0xfffffd2c) syz_open_procfs(0x0, &(0x7f0000000080)='net/dev\x00') r1 = socket$inet6_sctp(0xa, 0x5, 0x84) sendmsg$nl_route(0xffffffffffffffff, 0x0, 0x0) close_range(0xffffffffffffffff, 0xffffffffffffffff, 0x0) sendto$inet6(r1, &(0x7f0000847fff)='X', 0x34000, 0x0, &(0x7f000005ffe4)={0xa, 0x0, 0x0, @loopback}, 0x1c) (fail_nth: 83) 18:02:38 executing program 5: prctl$PR_SCHED_CORE(0x3e, 0x1, 0x0, 0x2, 0x0) r0 = syz_open_dev$sndmidi(&(0x7f0000000040), 0x2, 0x141101) r1 = dup(r0) write$6lowpan_enable(r1, &(0x7f0000000000)='0', 0xfffffd2c) tkill(0x0, 0x0) syz_open_procfs(0x0, 0x0) r2 = socket$inet6_sctp(0xa, 0x5, 0x84) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r2, 0x84, 0x9, &(0x7f0000000580)={0x0, @in={{0x2, 0x0, @empty}}, 0x0, 0x0, 0x3fc, 0x0, 0x32}, 0x9c) bind$packet(0xffffffffffffffff, &(0x7f0000000140)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @multicast}, 0x14) close_range(0xffffffffffffffff, 0xffffffffffffffff, 0x0) sendto$inet6(r2, &(0x7f0000847fff)='X', 0x34000, 0x0, &(0x7f000005ffe4)={0xa, 0x0, 0x0, @loopback}, 0x1c) (fail_nth: 26) 18:02:38 executing program 2: prctl$PR_SCHED_CORE(0x3e, 0x1, 0x0, 0x2, 0x0) r0 = syz_open_dev$sndmidi(&(0x7f0000000040), 0x2, 0x141101) r1 = dup(r0) write$6lowpan_enable(r1, 0x0, 0x0) syz_open_procfs(0x0, &(0x7f0000000080)='net/dev\x00') r2 = socket$inet6_sctp(0xa, 0x5, 0x84) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r2, 0x84, 0x9, &(0x7f0000000580)={0x0, @in={{0x2, 0x0, @empty}}, 0x0, 0x0, 0x3fc, 0x0, 0x32}, 0x9c) bind$packet(0xffffffffffffffff, &(0x7f0000000140)={0x11, 0xf0, 0x0, 0x1, 0x0, 0x6, @multicast}, 0x14) sendto$inet6(r2, &(0x7f0000847fff)='X', 0x34000, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) (fail_nth: 84) 18:02:38 executing program 4: prlimit64(0x0, 0xe, &(0x7f0000000140)={0x8, 0x8b}, 0x0) sched_setscheduler(0x0, 0x2, &(0x7f0000000080)=0x8) r0 = getpid() sched_setscheduler(r0, 0x1, &(0x7f0000001700)=0x4) socketpair$unix(0x1, 0x2, 0x0, &(0x7f0000000200)={0xffffffffffffffff, 0xffffffffffffffff}) recvmmsg(r1, &(0x7f00000000c0), 0x10106, 0x2, 0x0) r3 = openat$loop_ctrl(0xffffff9c, &(0x7f0000000040), 0x0, 0x0) sendmmsg(r2, 0x0, 0x0, 0x0) r4 = getpid() sched_setaffinity(r4, 0x8, &(0x7f0000000000)=0x96f) ioctl$LOOP_CTL_ADD(r3, 0x4c80, 0x0) (fail_nth: 28) ioctl$LOOP_CTL_REMOVE(r3, 0x4c81, 0x0) 18:02:38 executing program 3: r0 = dup(0xffffffffffffffff) write$6lowpan_enable(r0, &(0x7f0000000000)='0', 0xfffffd2c) r1 = socket$inet6_sctp(0xa, 0x5, 0x84) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r1, 0x84, 0x9, &(0x7f0000000580)={0x0, @in={{0x2, 0x0, @empty}}, 0x0, 0x0, 0x3fc, 0x0, 0x32}, 0x9c) bind$packet(0xffffffffffffffff, &(0x7f0000000140)={0x11, 0xf0, 0x0, 0x1, 0x0, 0x6, @multicast}, 0x14) sendto$inet6(r1, &(0x7f0000847fff)='X', 0x34000, 0x3, &(0x7f000005ffe4)={0xa, 0x0, 0x0, @loopback}, 0x1c) 18:02:38 executing program 0: syz_open_dev$sndmidi(0x0, 0x2, 0x141101) r0 = dup(0xffffffffffffffff) write$6lowpan_enable(r0, &(0x7f0000000000)='0', 0xfffffd2c) syz_open_procfs(0x0, &(0x7f0000000080)='net/dev\x00') r1 = socket$inet6_sctp(0xa, 0x5, 0x84) sendmsg$nl_route(0xffffffffffffffff, 0x0, 0x0) close_range(0xffffffffffffffff, 0xffffffffffffffff, 0x0) sendto$inet6(r1, &(0x7f0000847fff)='X', 0x34000, 0x0, &(0x7f000005ffe4)={0xa, 0x0, 0x0, @loopback}, 0x1c) (fail_nth: 84) 18:02:38 executing program 2: prctl$PR_SCHED_CORE(0x3e, 0x1, 0x0, 0x2, 0x0) r0 = syz_open_dev$sndmidi(&(0x7f0000000040), 0x2, 0x141101) r1 = dup(r0) write$6lowpan_enable(r1, 0x0, 0x0) syz_open_procfs(0x0, &(0x7f0000000080)='net/dev\x00') r2 = socket$inet6_sctp(0xa, 0x5, 0x84) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r2, 0x84, 0x9, &(0x7f0000000580)={0x0, @in={{0x2, 0x0, @empty}}, 0x0, 0x0, 0x3fc, 0x0, 0x32}, 0x9c) bind$packet(0xffffffffffffffff, &(0x7f0000000140)={0x11, 0xf0, 0x0, 0x1, 0x0, 0x6, @multicast}, 0x14) sendto$inet6(r2, &(0x7f0000847fff)='X', 0x34000, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) (fail_nth: 85) 18:02:38 executing program 0: syz_open_dev$sndmidi(0x0, 0x2, 0x141101) r0 = dup(0xffffffffffffffff) write$6lowpan_enable(r0, &(0x7f0000000000)='0', 0xfffffd2c) syz_open_procfs(0x0, &(0x7f0000000080)='net/dev\x00') r1 = socket$inet6_sctp(0xa, 0x5, 0x84) sendmsg$nl_route(0xffffffffffffffff, 0x0, 0x0) close_range(0xffffffffffffffff, 0xffffffffffffffff, 0x0) sendto$inet6(r1, &(0x7f0000847fff)='X', 0x34000, 0x0, &(0x7f000005ffe4)={0xa, 0x0, 0x0, @loopback}, 0x1c) (fail_nth: 85) 18:02:39 executing program 2: prctl$PR_SCHED_CORE(0x3e, 0x1, 0x0, 0x2, 0x0) r0 = syz_open_dev$sndmidi(&(0x7f0000000040), 0x2, 0x141101) r1 = dup(r0) write$6lowpan_enable(r1, 0x0, 0x0) syz_open_procfs(0x0, &(0x7f0000000080)='net/dev\x00') r2 = socket$inet6_sctp(0xa, 0x5, 0x84) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r2, 0x84, 0x9, &(0x7f0000000580)={0x0, @in={{0x2, 0x0, @empty}}, 0x0, 0x0, 0x3fc, 0x0, 0x32}, 0x9c) bind$packet(0xffffffffffffffff, &(0x7f0000000140)={0x11, 0xf0, 0x0, 0x1, 0x0, 0x6, @multicast}, 0x14) sendto$inet6(r2, &(0x7f0000847fff)='X', 0x34000, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) (fail_nth: 86) 18:02:39 executing program 1: prctl$PR_SCHED_CORE(0x3e, 0x1, 0x0, 0x2, 0x0) r0 = syz_open_dev$sndmidi(&(0x7f0000000040), 0x2, 0x141101) r1 = dup(r0) write$6lowpan_enable(r1, &(0x7f0000000000)='0', 0xfffffd2c) syz_open_procfs(0x0, &(0x7f0000000080)='net/dev\x00') r2 = socket$inet6_sctp(0xa, 0x5, 0x84) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r2, 0x84, 0x9, &(0x7f0000000580)={0x0, @in={{0x2, 0x0, @empty}}, 0x0, 0x0, 0x3fc, 0x0, 0x32}, 0x9c) bind$packet(0xffffffffffffffff, &(0x7f0000000140)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @multicast}, 0x14) sendto$inet6(r2, &(0x7f0000847fff)='X', 0x34000, 0x0, &(0x7f000005ffe4)={0xa, 0x0, 0x0, @loopback}, 0x1c) (fail_nth: 21) 18:02:39 executing program 0: syz_open_dev$sndmidi(0x0, 0x2, 0x141101) r0 = dup(0xffffffffffffffff) write$6lowpan_enable(r0, &(0x7f0000000000)='0', 0xfffffd2c) syz_open_procfs(0x0, &(0x7f0000000080)='net/dev\x00') r1 = socket$inet6_sctp(0xa, 0x5, 0x84) sendmsg$nl_route(0xffffffffffffffff, 0x0, 0x0) close_range(0xffffffffffffffff, 0xffffffffffffffff, 0x0) sendto$inet6(r1, &(0x7f0000847fff)='X', 0x34000, 0x0, &(0x7f000005ffe4)={0xa, 0x0, 0x0, @loopback}, 0x1c) (fail_nth: 86) 18:02:39 executing program 0: syz_open_dev$sndmidi(0x0, 0x2, 0x141101) r0 = dup(0xffffffffffffffff) write$6lowpan_enable(r0, &(0x7f0000000000)='0', 0xfffffd2c) syz_open_procfs(0x0, &(0x7f0000000080)='net/dev\x00') r1 = socket$inet6_sctp(0xa, 0x5, 0x84) sendmsg$nl_route(0xffffffffffffffff, 0x0, 0x0) close_range(0xffffffffffffffff, 0xffffffffffffffff, 0x0) sendto$inet6(r1, &(0x7f0000847fff)='X', 0x34000, 0x0, &(0x7f000005ffe4)={0xa, 0x0, 0x0, @loopback}, 0x1c) (fail_nth: 87) 18:02:39 executing program 2: prctl$PR_SCHED_CORE(0x3e, 0x1, 0x0, 0x2, 0x0) r0 = syz_open_dev$sndmidi(&(0x7f0000000040), 0x2, 0x141101) r1 = dup(r0) write$6lowpan_enable(r1, 0x0, 0x0) syz_open_procfs(0x0, &(0x7f0000000080)='net/dev\x00') r2 = socket$inet6_sctp(0xa, 0x5, 0x84) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r2, 0x84, 0x9, &(0x7f0000000580)={0x0, @in={{0x2, 0x0, @empty}}, 0x0, 0x0, 0x3fc, 0x0, 0x32}, 0x9c) bind$packet(0xffffffffffffffff, &(0x7f0000000140)={0x11, 0xf0, 0x0, 0x1, 0x0, 0x6, @multicast}, 0x14) sendto$inet6(r2, &(0x7f0000847fff)='X', 0x34000, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) (fail_nth: 87) 18:02:39 executing program 2: prctl$PR_SCHED_CORE(0x3e, 0x1, 0x0, 0x2, 0x0) r0 = syz_open_dev$sndmidi(&(0x7f0000000040), 0x2, 0x141101) r1 = dup(r0) write$6lowpan_enable(r1, 0x0, 0x0) syz_open_procfs(0x0, &(0x7f0000000080)='net/dev\x00') r2 = socket$inet6_sctp(0xa, 0x5, 0x84) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r2, 0x84, 0x9, &(0x7f0000000580)={0x0, @in={{0x2, 0x0, @empty}}, 0x0, 0x0, 0x3fc, 0x0, 0x32}, 0x9c) bind$packet(0xffffffffffffffff, &(0x7f0000000140)={0x11, 0xf0, 0x0, 0x1, 0x0, 0x6, @multicast}, 0x14) sendto$inet6(r2, &(0x7f0000847fff)='X', 0x34000, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) (fail_nth: 88) 18:02:39 executing program 0: syz_open_dev$sndmidi(0x0, 0x2, 0x141101) r0 = dup(0xffffffffffffffff) write$6lowpan_enable(r0, &(0x7f0000000000)='0', 0xfffffd2c) syz_open_procfs(0x0, &(0x7f0000000080)='net/dev\x00') r1 = socket$inet6_sctp(0xa, 0x5, 0x84) sendmsg$nl_route(0xffffffffffffffff, 0x0, 0x0) close_range(0xffffffffffffffff, 0xffffffffffffffff, 0x0) sendto$inet6(r1, &(0x7f0000847fff)='X', 0x34000, 0x0, &(0x7f000005ffe4)={0xa, 0x0, 0x0, @loopback}, 0x1c) (fail_nth: 88) 18:02:39 executing program 4: prlimit64(0x0, 0xe, &(0x7f0000000140)={0x8, 0x8b}, 0x0) sched_setscheduler(0x0, 0x2, &(0x7f0000000080)=0x8) r0 = getpid() sched_setscheduler(r0, 0x1, &(0x7f0000001700)=0x4) socketpair$unix(0x1, 0x2, 0x0, &(0x7f0000000200)={0xffffffffffffffff, 0xffffffffffffffff}) recvmmsg(r1, &(0x7f00000000c0), 0x10106, 0x2, 0x0) r3 = openat$loop_ctrl(0xffffff9c, &(0x7f0000000040), 0x0, 0x0) sendmmsg(r2, 0x0, 0x0, 0x0) r4 = getpid() sched_setaffinity(r4, 0x8, &(0x7f0000000000)=0x96f) ioctl$LOOP_CTL_ADD(r3, 0x4c80, 0x0) (fail_nth: 29) ioctl$LOOP_CTL_REMOVE(r3, 0x4c81, 0x0) 18:02:39 executing program 5: prctl$PR_SCHED_CORE(0x3e, 0x1, 0x0, 0x2, 0x0) r0 = syz_open_dev$sndmidi(&(0x7f0000000040), 0x2, 0x141101) r1 = dup(r0) write$6lowpan_enable(r1, &(0x7f0000000000)='0', 0xfffffd2c) tkill(0x0, 0x0) syz_open_procfs(0x0, 0x0) r2 = socket$inet6_sctp(0xa, 0x5, 0x84) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r2, 0x84, 0x9, &(0x7f0000000580)={0x0, @in={{0x2, 0x0, @empty}}, 0x0, 0x0, 0x3fc, 0x0, 0x32}, 0x9c) bind$packet(0xffffffffffffffff, &(0x7f0000000140)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @multicast}, 0x14) close_range(0xffffffffffffffff, 0xffffffffffffffff, 0x0) sendto$inet6(r2, &(0x7f0000847fff)='X', 0x34000, 0x0, &(0x7f000005ffe4)={0xa, 0x0, 0x0, @loopback}, 0x1c) (fail_nth: 27) 18:02:39 executing program 3: r0 = dup(0xffffffffffffffff) write$6lowpan_enable(r0, &(0x7f0000000000)='0', 0xfffffd2c) r1 = socket$inet6_sctp(0xa, 0x5, 0x84) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r1, 0x84, 0x9, &(0x7f0000000580)={0x0, @in={{0x2, 0x0, @empty}}, 0x0, 0x0, 0x3fc, 0x0, 0x32}, 0x9c) bind$packet(0xffffffffffffffff, &(0x7f0000000140)={0x11, 0xf0, 0x0, 0x1, 0x0, 0x6, @multicast}, 0x14) sendto$inet6(r1, &(0x7f0000847fff)='X', 0x34000, 0x4, &(0x7f000005ffe4)={0xa, 0x0, 0x0, @loopback}, 0x1c) 18:02:39 executing program 2: prctl$PR_SCHED_CORE(0x3e, 0x1, 0x0, 0x2, 0x0) r0 = syz_open_dev$sndmidi(&(0x7f0000000040), 0x2, 0x141101) r1 = dup(r0) write$6lowpan_enable(r1, 0x0, 0x0) syz_open_procfs(0x0, &(0x7f0000000080)='net/dev\x00') r2 = socket$inet6_sctp(0xa, 0x5, 0x84) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r2, 0x84, 0x9, &(0x7f0000000580)={0x0, @in={{0x2, 0x0, @empty}}, 0x0, 0x0, 0x3fc, 0x0, 0x32}, 0x9c) bind$packet(0xffffffffffffffff, &(0x7f0000000140)={0x11, 0xf0, 0x0, 0x1, 0x0, 0x6, @multicast}, 0x14) sendto$inet6(r2, &(0x7f0000847fff)='X', 0x34000, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) (fail_nth: 89) 18:02:39 executing program 0: syz_open_dev$sndmidi(0x0, 0x2, 0x141101) r0 = dup(0xffffffffffffffff) write$6lowpan_enable(r0, &(0x7f0000000000)='0', 0xfffffd2c) syz_open_procfs(0x0, &(0x7f0000000080)='net/dev\x00') r1 = socket$inet6_sctp(0xa, 0x5, 0x84) sendmsg$nl_route(0xffffffffffffffff, 0x0, 0x0) close_range(0xffffffffffffffff, 0xffffffffffffffff, 0x0) sendto$inet6(r1, &(0x7f0000847fff)='X', 0x34000, 0x0, &(0x7f000005ffe4)={0xa, 0x0, 0x0, @loopback}, 0x1c) (fail_nth: 89) 18:02:39 executing program 0: syz_open_dev$sndmidi(0x0, 0x2, 0x141101) r0 = dup(0xffffffffffffffff) write$6lowpan_enable(r0, &(0x7f0000000000)='0', 0xfffffd2c) syz_open_procfs(0x0, &(0x7f0000000080)='net/dev\x00') r1 = socket$inet6_sctp(0xa, 0x5, 0x84) sendmsg$nl_route(0xffffffffffffffff, 0x0, 0x0) close_range(0xffffffffffffffff, 0xffffffffffffffff, 0x0) sendto$inet6(r1, &(0x7f0000847fff)='X', 0x34000, 0x0, &(0x7f000005ffe4)={0xa, 0x0, 0x0, @loopback}, 0x1c) (fail_nth: 90) 18:02:40 executing program 1: prctl$PR_SCHED_CORE(0x3e, 0x1, 0x0, 0x2, 0x0) r0 = syz_open_dev$sndmidi(&(0x7f0000000040), 0x2, 0x141101) r1 = dup(r0) write$6lowpan_enable(r1, &(0x7f0000000000)='0', 0xfffffd2c) syz_open_procfs(0x0, &(0x7f0000000080)='net/dev\x00') r2 = socket$inet6_sctp(0xa, 0x5, 0x84) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r2, 0x84, 0x9, &(0x7f0000000580)={0x0, @in={{0x2, 0x0, @empty}}, 0x0, 0x0, 0x3fc, 0x0, 0x32}, 0x9c) bind$packet(0xffffffffffffffff, &(0x7f0000000140)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @multicast}, 0x14) sendto$inet6(r2, &(0x7f0000847fff)='X', 0x34000, 0x0, &(0x7f000005ffe4)={0xa, 0x0, 0x0, @loopback}, 0x1c) (fail_nth: 22) 18:02:40 executing program 2: prctl$PR_SCHED_CORE(0x3e, 0x1, 0x0, 0x2, 0x0) r0 = syz_open_dev$sndmidi(&(0x7f0000000040), 0x2, 0x141101) r1 = dup(r0) write$6lowpan_enable(r1, 0x0, 0x0) syz_open_procfs(0x0, &(0x7f0000000080)='net/dev\x00') r2 = socket$inet6_sctp(0xa, 0x5, 0x84) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r2, 0x84, 0x9, &(0x7f0000000580)={0x0, @in={{0x2, 0x0, @empty}}, 0x0, 0x0, 0x3fc, 0x0, 0x32}, 0x9c) bind$packet(0xffffffffffffffff, &(0x7f0000000140)={0x11, 0xf0, 0x0, 0x1, 0x0, 0x6, @multicast}, 0x14) sendto$inet6(r2, &(0x7f0000847fff)='X', 0x34000, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) (fail_nth: 90) 18:02:40 executing program 0: syz_open_dev$sndmidi(0x0, 0x2, 0x141101) r0 = dup(0xffffffffffffffff) write$6lowpan_enable(r0, &(0x7f0000000000)='0', 0xfffffd2c) syz_open_procfs(0x0, &(0x7f0000000080)='net/dev\x00') r1 = socket$inet6_sctp(0xa, 0x5, 0x84) sendmsg$nl_route(0xffffffffffffffff, 0x0, 0x0) close_range(0xffffffffffffffff, 0xffffffffffffffff, 0x0) sendto$inet6(r1, &(0x7f0000847fff)='X', 0x34000, 0x0, &(0x7f000005ffe4)={0xa, 0x0, 0x0, @loopback}, 0x1c) (fail_nth: 91) 18:02:40 executing program 2: prctl$PR_SCHED_CORE(0x3e, 0x1, 0x0, 0x2, 0x0) r0 = syz_open_dev$sndmidi(&(0x7f0000000040), 0x2, 0x141101) r1 = dup(r0) write$6lowpan_enable(r1, 0x0, 0x0) syz_open_procfs(0x0, &(0x7f0000000080)='net/dev\x00') r2 = socket$inet6_sctp(0xa, 0x5, 0x84) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r2, 0x84, 0x9, &(0x7f0000000580)={0x0, @in={{0x2, 0x0, @empty}}, 0x0, 0x0, 0x3fc, 0x0, 0x32}, 0x9c) bind$packet(0xffffffffffffffff, &(0x7f0000000140)={0x11, 0xf0, 0x0, 0x1, 0x0, 0x6, @multicast}, 0x14) sendto$inet6(r2, &(0x7f0000847fff)='X', 0x34000, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) (fail_nth: 91) 18:02:40 executing program 0: syz_open_dev$sndmidi(0x0, 0x2, 0x141101) r0 = dup(0xffffffffffffffff) write$6lowpan_enable(r0, &(0x7f0000000000)='0', 0xfffffd2c) syz_open_procfs(0x0, &(0x7f0000000080)='net/dev\x00') r1 = socket$inet6_sctp(0xa, 0x5, 0x84) sendmsg$nl_route(0xffffffffffffffff, 0x0, 0x0) close_range(0xffffffffffffffff, 0xffffffffffffffff, 0x0) sendto$inet6(r1, &(0x7f0000847fff)='X', 0x34000, 0x0, &(0x7f000005ffe4)={0xa, 0x0, 0x0, @loopback}, 0x1c) (fail_nth: 92) 18:02:40 executing program 2: prctl$PR_SCHED_CORE(0x3e, 0x1, 0x0, 0x2, 0x0) r0 = syz_open_dev$sndmidi(&(0x7f0000000040), 0x2, 0x141101) r1 = dup(r0) write$6lowpan_enable(r1, 0x0, 0x0) syz_open_procfs(0x0, &(0x7f0000000080)='net/dev\x00') r2 = socket$inet6_sctp(0xa, 0x5, 0x84) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r2, 0x84, 0x9, &(0x7f0000000580)={0x0, @in={{0x2, 0x0, @empty}}, 0x0, 0x0, 0x3fc, 0x0, 0x32}, 0x9c) bind$packet(0xffffffffffffffff, &(0x7f0000000140)={0x11, 0xf0, 0x0, 0x1, 0x0, 0x6, @multicast}, 0x14) sendto$inet6(r2, &(0x7f0000847fff)='X', 0x34000, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) (fail_nth: 92) 18:02:40 executing program 4: prlimit64(0x0, 0xe, &(0x7f0000000140)={0x8, 0x8b}, 0x0) sched_setscheduler(0x0, 0x2, &(0x7f0000000080)=0x8) r0 = getpid() sched_setscheduler(r0, 0x1, &(0x7f0000001700)=0x4) socketpair$unix(0x1, 0x2, 0x0, &(0x7f0000000200)={0xffffffffffffffff, 0xffffffffffffffff}) recvmmsg(r1, &(0x7f00000000c0), 0x10106, 0x2, 0x0) r3 = openat$loop_ctrl(0xffffff9c, &(0x7f0000000040), 0x0, 0x0) sendmmsg(r2, 0x0, 0x0, 0x0) r4 = getpid() sched_setaffinity(r4, 0x8, &(0x7f0000000000)=0x96f) ioctl$LOOP_CTL_ADD(r3, 0x4c80, 0x0) (fail_nth: 30) ioctl$LOOP_CTL_REMOVE(r3, 0x4c81, 0x0) 18:02:40 executing program 5: prctl$PR_SCHED_CORE(0x3e, 0x1, 0x0, 0x2, 0x0) r0 = syz_open_dev$sndmidi(&(0x7f0000000040), 0x2, 0x141101) r1 = dup(r0) write$6lowpan_enable(r1, &(0x7f0000000000)='0', 0xfffffd2c) tkill(0x0, 0x0) syz_open_procfs(0x0, 0x0) r2 = socket$inet6_sctp(0xa, 0x5, 0x84) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r2, 0x84, 0x9, &(0x7f0000000580)={0x0, @in={{0x2, 0x0, @empty}}, 0x0, 0x0, 0x3fc, 0x0, 0x32}, 0x9c) bind$packet(0xffffffffffffffff, &(0x7f0000000140)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @multicast}, 0x14) close_range(0xffffffffffffffff, 0xffffffffffffffff, 0x0) sendto$inet6(r2, &(0x7f0000847fff)='X', 0x34000, 0x0, &(0x7f000005ffe4)={0xa, 0x0, 0x0, @loopback}, 0x1c) (fail_nth: 28) 18:02:40 executing program 0: syz_open_dev$sndmidi(0x0, 0x2, 0x141101) r0 = dup(0xffffffffffffffff) write$6lowpan_enable(r0, &(0x7f0000000000)='0', 0xfffffd2c) syz_open_procfs(0x0, &(0x7f0000000080)='net/dev\x00') r1 = socket$inet6_sctp(0xa, 0x5, 0x84) sendmsg$nl_route(0xffffffffffffffff, 0x0, 0x0) close_range(0xffffffffffffffff, 0xffffffffffffffff, 0x0) sendto$inet6(r1, &(0x7f0000847fff)='X', 0x34000, 0x0, &(0x7f000005ffe4)={0xa, 0x0, 0x0, @loopback}, 0x1c) (fail_nth: 93) 18:02:40 executing program 2: prctl$PR_SCHED_CORE(0x3e, 0x1, 0x0, 0x2, 0x0) r0 = syz_open_dev$sndmidi(&(0x7f0000000040), 0x2, 0x141101) r1 = dup(r0) write$6lowpan_enable(r1, 0x0, 0x0) syz_open_procfs(0x0, &(0x7f0000000080)='net/dev\x00') r2 = socket$inet6_sctp(0xa, 0x5, 0x84) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r2, 0x84, 0x9, &(0x7f0000000580)={0x0, @in={{0x2, 0x0, @empty}}, 0x0, 0x0, 0x3fc, 0x0, 0x32}, 0x9c) bind$packet(0xffffffffffffffff, &(0x7f0000000140)={0x11, 0xf0, 0x0, 0x1, 0x0, 0x6, @multicast}, 0x14) sendto$inet6(r2, &(0x7f0000847fff)='X', 0x34000, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) (fail_nth: 93) 18:02:40 executing program 3: r0 = dup(0xffffffffffffffff) write$6lowpan_enable(r0, &(0x7f0000000000)='0', 0xfffffd2c) r1 = socket$inet6_sctp(0xa, 0x5, 0x84) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r1, 0x84, 0x9, &(0x7f0000000580)={0x0, @in={{0x2, 0x0, @empty}}, 0x0, 0x0, 0x3fc, 0x0, 0x32}, 0x9c) bind$packet(0xffffffffffffffff, &(0x7f0000000140)={0x11, 0xf0, 0x0, 0x1, 0x0, 0x6, @multicast}, 0x14) sendto$inet6(r1, &(0x7f0000847fff)='X', 0x34000, 0x5, &(0x7f000005ffe4)={0xa, 0x0, 0x0, @loopback}, 0x1c) 18:02:40 executing program 0: syz_open_dev$sndmidi(0x0, 0x2, 0x141101) r0 = dup(0xffffffffffffffff) write$6lowpan_enable(r0, &(0x7f0000000000)='0', 0xfffffd2c) syz_open_procfs(0x0, &(0x7f0000000080)='net/dev\x00') r1 = socket$inet6_sctp(0xa, 0x5, 0x84) sendmsg$nl_route(0xffffffffffffffff, 0x0, 0x0) close_range(0xffffffffffffffff, 0xffffffffffffffff, 0x0) sendto$inet6(r1, &(0x7f0000847fff)='X', 0x34000, 0x0, &(0x7f000005ffe4)={0xa, 0x0, 0x0, @loopback}, 0x1c) (fail_nth: 94) 18:02:41 executing program 1: prctl$PR_SCHED_CORE(0x3e, 0x1, 0x0, 0x2, 0x0) r0 = syz_open_dev$sndmidi(&(0x7f0000000040), 0x2, 0x141101) r1 = dup(r0) write$6lowpan_enable(r1, &(0x7f0000000000)='0', 0xfffffd2c) syz_open_procfs(0x0, &(0x7f0000000080)='net/dev\x00') r2 = socket$inet6_sctp(0xa, 0x5, 0x84) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r2, 0x84, 0x9, &(0x7f0000000580)={0x0, @in={{0x2, 0x0, @empty}}, 0x0, 0x0, 0x3fc, 0x0, 0x32}, 0x9c) bind$packet(0xffffffffffffffff, &(0x7f0000000140)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @multicast}, 0x14) sendto$inet6(r2, &(0x7f0000847fff)='X', 0x34000, 0x0, &(0x7f000005ffe4)={0xa, 0x0, 0x0, @loopback}, 0x1c) (fail_nth: 23) 18:02:41 executing program 0: syz_open_dev$sndmidi(0x0, 0x2, 0x141101) r0 = dup(0xffffffffffffffff) write$6lowpan_enable(r0, &(0x7f0000000000)='0', 0xfffffd2c) syz_open_procfs(0x0, &(0x7f0000000080)='net/dev\x00') r1 = socket$inet6_sctp(0xa, 0x5, 0x84) sendmsg$nl_route(0xffffffffffffffff, 0x0, 0x0) close_range(0xffffffffffffffff, 0xffffffffffffffff, 0x0) sendto$inet6(r1, &(0x7f0000847fff)='X', 0x34000, 0x0, &(0x7f000005ffe4)={0xa, 0x0, 0x0, @loopback}, 0x1c) (fail_nth: 95) 18:02:41 executing program 2: prctl$PR_SCHED_CORE(0x3e, 0x1, 0x0, 0x2, 0x0) r0 = syz_open_dev$sndmidi(&(0x7f0000000040), 0x2, 0x141101) r1 = dup(r0) write$6lowpan_enable(r1, 0x0, 0x0) syz_open_procfs(0x0, &(0x7f0000000080)='net/dev\x00') r2 = socket$inet6_sctp(0xa, 0x5, 0x84) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r2, 0x84, 0x9, &(0x7f0000000580)={0x0, @in={{0x2, 0x0, @empty}}, 0x0, 0x0, 0x3fc, 0x0, 0x32}, 0x9c) bind$packet(0xffffffffffffffff, &(0x7f0000000140)={0x11, 0xf0, 0x0, 0x1, 0x0, 0x6, @multicast}, 0x14) sendto$inet6(r2, &(0x7f0000847fff)='X', 0x34000, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) (fail_nth: 94) 18:02:41 executing program 0: syz_open_dev$sndmidi(0x0, 0x2, 0x141101) r0 = dup(0xffffffffffffffff) write$6lowpan_enable(r0, &(0x7f0000000000)='0', 0xfffffd2c) syz_open_procfs(0x0, &(0x7f0000000080)='net/dev\x00') r1 = socket$inet6_sctp(0xa, 0x5, 0x84) sendmsg$nl_route(0xffffffffffffffff, 0x0, 0x0) close_range(0xffffffffffffffff, 0xffffffffffffffff, 0x0) sendto$inet6(r1, &(0x7f0000847fff)='X', 0x34000, 0x0, &(0x7f000005ffe4)={0xa, 0x0, 0x0, @loopback}, 0x1c) (fail_nth: 96) 18:02:41 executing program 2: prctl$PR_SCHED_CORE(0x3e, 0x1, 0x0, 0x2, 0x0) r0 = syz_open_dev$sndmidi(&(0x7f0000000040), 0x2, 0x141101) r1 = dup(r0) write$6lowpan_enable(r1, 0x0, 0x0) syz_open_procfs(0x0, &(0x7f0000000080)='net/dev\x00') r2 = socket$inet6_sctp(0xa, 0x5, 0x84) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r2, 0x84, 0x9, &(0x7f0000000580)={0x0, @in={{0x2, 0x0, @empty}}, 0x0, 0x0, 0x3fc, 0x0, 0x32}, 0x9c) bind$packet(0xffffffffffffffff, &(0x7f0000000140)={0x11, 0xf0, 0x0, 0x1, 0x0, 0x6, @multicast}, 0x14) sendto$inet6(r2, &(0x7f0000847fff)='X', 0x34000, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) (fail_nth: 95) 18:02:41 executing program 0: syz_open_dev$sndmidi(0x0, 0x2, 0x141101) r0 = dup(0xffffffffffffffff) write$6lowpan_enable(r0, &(0x7f0000000000)='0', 0xfffffd2c) syz_open_procfs(0x0, &(0x7f0000000080)='net/dev\x00') r1 = socket$inet6_sctp(0xa, 0x5, 0x84) sendmsg$nl_route(0xffffffffffffffff, 0x0, 0x0) close_range(0xffffffffffffffff, 0xffffffffffffffff, 0x0) sendto$inet6(r1, &(0x7f0000847fff)='X', 0x34000, 0x0, &(0x7f000005ffe4)={0xa, 0x0, 0x0, @loopback}, 0x1c) (fail_nth: 97) 18:02:41 executing program 4: prlimit64(0x0, 0xe, &(0x7f0000000140)={0x8, 0x8b}, 0x0) sched_setscheduler(0x0, 0x2, &(0x7f0000000080)=0x8) r0 = getpid() sched_setscheduler(r0, 0x1, &(0x7f0000001700)=0x4) socketpair$unix(0x1, 0x2, 0x0, &(0x7f0000000200)={0xffffffffffffffff, 0xffffffffffffffff}) recvmmsg(r1, &(0x7f00000000c0), 0x10106, 0x2, 0x0) r3 = openat$loop_ctrl(0xffffff9c, &(0x7f0000000040), 0x0, 0x0) sendmmsg(r2, 0x0, 0x0, 0x0) r4 = getpid() sched_setaffinity(r4, 0x8, &(0x7f0000000000)=0x96f) ioctl$LOOP_CTL_ADD(r3, 0x4c80, 0x0) (fail_nth: 31) ioctl$LOOP_CTL_REMOVE(r3, 0x4c81, 0x0) 18:02:41 executing program 2: prctl$PR_SCHED_CORE(0x3e, 0x1, 0x0, 0x2, 0x0) r0 = syz_open_dev$sndmidi(&(0x7f0000000040), 0x2, 0x141101) r1 = dup(r0) write$6lowpan_enable(r1, 0x0, 0x0) syz_open_procfs(0x0, &(0x7f0000000080)='net/dev\x00') r2 = socket$inet6_sctp(0xa, 0x5, 0x84) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r2, 0x84, 0x9, &(0x7f0000000580)={0x0, @in={{0x2, 0x0, @empty}}, 0x0, 0x0, 0x3fc, 0x0, 0x32}, 0x9c) bind$packet(0xffffffffffffffff, &(0x7f0000000140)={0x11, 0xf0, 0x0, 0x1, 0x0, 0x6, @multicast}, 0x14) sendto$inet6(r2, &(0x7f0000847fff)='X', 0x34000, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) (fail_nth: 96) 18:02:41 executing program 0: syz_open_dev$sndmidi(0x0, 0x2, 0x141101) r0 = dup(0xffffffffffffffff) write$6lowpan_enable(r0, &(0x7f0000000000)='0', 0xfffffd2c) syz_open_procfs(0x0, &(0x7f0000000080)='net/dev\x00') r1 = socket$inet6_sctp(0xa, 0x5, 0x84) sendmsg$nl_route(0xffffffffffffffff, 0x0, 0x0) close_range(0xffffffffffffffff, 0xffffffffffffffff, 0x0) sendto$inet6(r1, &(0x7f0000847fff)='X', 0x34000, 0x0, &(0x7f000005ffe4)={0xa, 0x0, 0x0, @loopback}, 0x1c) (fail_nth: 98) 18:02:41 executing program 5: prctl$PR_SCHED_CORE(0x3e, 0x1, 0x0, 0x2, 0x0) r0 = syz_open_dev$sndmidi(&(0x7f0000000040), 0x2, 0x141101) r1 = dup(r0) write$6lowpan_enable(r1, &(0x7f0000000000)='0', 0xfffffd2c) tkill(0x0, 0x0) syz_open_procfs(0x0, 0x0) r2 = socket$inet6_sctp(0xa, 0x5, 0x84) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r2, 0x84, 0x9, &(0x7f0000000580)={0x0, @in={{0x2, 0x0, @empty}}, 0x0, 0x0, 0x3fc, 0x0, 0x32}, 0x9c) bind$packet(0xffffffffffffffff, &(0x7f0000000140)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @multicast}, 0x14) close_range(0xffffffffffffffff, 0xffffffffffffffff, 0x0) sendto$inet6(r2, &(0x7f0000847fff)='X', 0x34000, 0x0, &(0x7f000005ffe4)={0xa, 0x0, 0x0, @loopback}, 0x1c) (fail_nth: 29) 18:02:41 executing program 3: r0 = dup(0xffffffffffffffff) write$6lowpan_enable(r0, &(0x7f0000000000)='0', 0xfffffd2c) r1 = socket$inet6_sctp(0xa, 0x5, 0x84) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r1, 0x84, 0x9, &(0x7f0000000580)={0x0, @in={{0x2, 0x0, @empty}}, 0x0, 0x0, 0x3fc, 0x0, 0x32}, 0x9c) bind$packet(0xffffffffffffffff, &(0x7f0000000140)={0x11, 0xf0, 0x0, 0x1, 0x0, 0x6, @multicast}, 0x14) sendto$inet6(r1, &(0x7f0000847fff)='X', 0x34000, 0x6, &(0x7f000005ffe4)={0xa, 0x0, 0x0, @loopback}, 0x1c) 18:02:41 executing program 0: syz_open_dev$sndmidi(0x0, 0x2, 0x141101) r0 = dup(0xffffffffffffffff) write$6lowpan_enable(r0, &(0x7f0000000000)='0', 0xfffffd2c) syz_open_procfs(0x0, &(0x7f0000000080)='net/dev\x00') r1 = socket$inet6_sctp(0xa, 0x5, 0x84) sendmsg$nl_route(0xffffffffffffffff, 0x0, 0x0) close_range(0xffffffffffffffff, 0xffffffffffffffff, 0x0) sendto$inet6(r1, &(0x7f0000847fff)='X', 0x34000, 0x0, &(0x7f000005ffe4)={0xa, 0x0, 0x0, @loopback}, 0x1c) (fail_nth: 99) 18:02:41 executing program 1: prctl$PR_SCHED_CORE(0x3e, 0x1, 0x0, 0x2, 0x0) r0 = syz_open_dev$sndmidi(&(0x7f0000000040), 0x2, 0x141101) r1 = dup(r0) write$6lowpan_enable(r1, &(0x7f0000000000)='0', 0xfffffd2c) syz_open_procfs(0x0, &(0x7f0000000080)='net/dev\x00') r2 = socket$inet6_sctp(0xa, 0x5, 0x84) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r2, 0x84, 0x9, &(0x7f0000000580)={0x0, @in={{0x2, 0x0, @empty}}, 0x0, 0x0, 0x3fc, 0x0, 0x32}, 0x9c) bind$packet(0xffffffffffffffff, &(0x7f0000000140)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @multicast}, 0x14) sendto$inet6(r2, &(0x7f0000847fff)='X', 0x34000, 0x0, &(0x7f000005ffe4)={0xa, 0x0, 0x0, @loopback}, 0x1c) (fail_nth: 24) 18:02:41 executing program 2: prctl$PR_SCHED_CORE(0x3e, 0x1, 0x0, 0x2, 0x0) r0 = syz_open_dev$sndmidi(&(0x7f0000000040), 0x2, 0x141101) r1 = dup(r0) write$6lowpan_enable(r1, 0x0, 0x0) syz_open_procfs(0x0, &(0x7f0000000080)='net/dev\x00') r2 = socket$inet6_sctp(0xa, 0x5, 0x84) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r2, 0x84, 0x9, &(0x7f0000000580)={0x0, @in={{0x2, 0x0, @empty}}, 0x0, 0x0, 0x3fc, 0x0, 0x32}, 0x9c) bind$packet(0xffffffffffffffff, &(0x7f0000000140)={0x11, 0xf0, 0x0, 0x1, 0x0, 0x6, @multicast}, 0x14) sendto$inet6(r2, &(0x7f0000847fff)='X', 0x34000, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) (fail_nth: 97) 18:02:41 executing program 0: syz_open_dev$sndmidi(0x0, 0x2, 0x141101) r0 = dup(0xffffffffffffffff) write$6lowpan_enable(r0, &(0x7f0000000000)='0', 0xfffffd2c) syz_open_procfs(0x0, &(0x7f0000000080)='net/dev\x00') r1 = socket$inet6_sctp(0xa, 0x5, 0x84) sendmsg$nl_route(0xffffffffffffffff, 0x0, 0x0) close_range(0xffffffffffffffff, 0xffffffffffffffff, 0x0) sendto$inet6(r1, &(0x7f0000847fff)='X', 0x34000, 0x0, &(0x7f000005ffe4)={0xa, 0x0, 0x0, @loopback}, 0x1c) (fail_nth: 100) 18:02:42 executing program 2: prctl$PR_SCHED_CORE(0x3e, 0x1, 0x0, 0x2, 0x0) r0 = syz_open_dev$sndmidi(&(0x7f0000000040), 0x2, 0x141101) r1 = dup(r0) write$6lowpan_enable(r1, 0x0, 0x0) syz_open_procfs(0x0, &(0x7f0000000080)='net/dev\x00') r2 = socket$inet6_sctp(0xa, 0x5, 0x84) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r2, 0x84, 0x9, &(0x7f0000000580)={0x0, @in={{0x2, 0x0, @empty}}, 0x0, 0x0, 0x3fc, 0x0, 0x32}, 0x9c) bind$packet(0xffffffffffffffff, &(0x7f0000000140)={0x11, 0xf0, 0x0, 0x1, 0x0, 0x6, @multicast}, 0x14) sendto$inet6(r2, &(0x7f0000847fff)='X', 0x34000, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) (fail_nth: 98) 18:02:42 executing program 0: syz_open_dev$sndmidi(0x0, 0x2, 0x141101) r0 = dup(0xffffffffffffffff) write$6lowpan_enable(r0, &(0x7f0000000000)='0', 0xfffffd2c) syz_open_procfs(0x0, &(0x7f0000000080)='net/dev\x00') r1 = socket$inet6_sctp(0xa, 0x5, 0x84) sendmsg$nl_route(0xffffffffffffffff, 0x0, 0x0) close_range(0xffffffffffffffff, 0xffffffffffffffff, 0x0) sendto$inet6(r1, &(0x7f0000847fff)='X', 0x34000, 0x0, &(0x7f000005ffe4)={0xa, 0x0, 0x0, @loopback}, 0x1c) 18:02:42 executing program 2: prctl$PR_SCHED_CORE(0x3e, 0x1, 0x0, 0x2, 0x0) r0 = syz_open_dev$sndmidi(&(0x7f0000000040), 0x2, 0x141101) r1 = dup(r0) write$6lowpan_enable(r1, 0x0, 0x0) syz_open_procfs(0x0, &(0x7f0000000080)='net/dev\x00') r2 = socket$inet6_sctp(0xa, 0x5, 0x84) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r2, 0x84, 0x9, &(0x7f0000000580)={0x0, @in={{0x2, 0x0, @empty}}, 0x0, 0x0, 0x3fc, 0x0, 0x32}, 0x9c) bind$packet(0xffffffffffffffff, &(0x7f0000000140)={0x11, 0xf0, 0x0, 0x1, 0x0, 0x6, @multicast}, 0x14) sendto$inet6(r2, &(0x7f0000847fff)='X', 0x34000, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) (fail_nth: 99) 18:02:42 executing program 4: prlimit64(0x0, 0xe, &(0x7f0000000140)={0x8, 0x8b}, 0x0) sched_setscheduler(0x0, 0x2, &(0x7f0000000080)=0x8) r0 = getpid() sched_setscheduler(r0, 0x1, &(0x7f0000001700)=0x4) socketpair$unix(0x1, 0x2, 0x0, &(0x7f0000000200)={0xffffffffffffffff, 0xffffffffffffffff}) recvmmsg(r1, &(0x7f00000000c0), 0x10106, 0x2, 0x0) r3 = openat$loop_ctrl(0xffffff9c, &(0x7f0000000040), 0x0, 0x0) sendmmsg(r2, 0x0, 0x0, 0x0) r4 = getpid() sched_setaffinity(r4, 0x8, &(0x7f0000000000)=0x96f) ioctl$LOOP_CTL_ADD(r3, 0x4c80, 0x0) (fail_nth: 32) ioctl$LOOP_CTL_REMOVE(r3, 0x4c81, 0x0) 18:02:42 executing program 0: syz_open_dev$sndmidi(0x0, 0x2, 0x141101) r0 = dup(0xffffffffffffffff) write$6lowpan_enable(r0, &(0x7f0000000000)='0', 0xfffffd2c) syz_open_procfs(0x0, &(0x7f0000000080)='net/dev\x00') r1 = socket$inet6_sctp(0xa, 0x5, 0x84) sendmsg$nl_route(0xffffffffffffffff, 0x0, 0x0) close_range(0xffffffffffffffff, 0xffffffffffffffff, 0x0) sendto$inet6(r1, &(0x7f0000847fff)='X', 0xbb7, 0x0, &(0x7f000005ffe4)={0xa, 0x0, 0x0, @loopback}, 0x1c) 18:02:42 executing program 2: prctl$PR_SCHED_CORE(0x3e, 0x1, 0x0, 0x2, 0x0) r0 = syz_open_dev$sndmidi(&(0x7f0000000040), 0x2, 0x141101) r1 = dup(r0) write$6lowpan_enable(r1, 0x0, 0x0) syz_open_procfs(0x0, &(0x7f0000000080)='net/dev\x00') r2 = socket$inet6_sctp(0xa, 0x5, 0x84) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r2, 0x84, 0x9, &(0x7f0000000580)={0x0, @in={{0x2, 0x0, @empty}}, 0x0, 0x0, 0x3fc, 0x0, 0x32}, 0x9c) bind$packet(0xffffffffffffffff, &(0x7f0000000140)={0x11, 0xf0, 0x0, 0x1, 0x0, 0x6, @multicast}, 0x14) sendto$inet6(r2, &(0x7f0000847fff)='X', 0x34000, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) (fail_nth: 100) 18:02:42 executing program 5: prctl$PR_SCHED_CORE(0x3e, 0x1, 0x0, 0x2, 0x0) r0 = syz_open_dev$sndmidi(&(0x7f0000000040), 0x2, 0x141101) r1 = dup(r0) write$6lowpan_enable(r1, &(0x7f0000000000)='0', 0xfffffd2c) tkill(0x0, 0x0) syz_open_procfs(0x0, 0x0) r2 = socket$inet6_sctp(0xa, 0x5, 0x84) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r2, 0x84, 0x9, &(0x7f0000000580)={0x0, @in={{0x2, 0x0, @empty}}, 0x0, 0x0, 0x3fc, 0x0, 0x32}, 0x9c) bind$packet(0xffffffffffffffff, &(0x7f0000000140)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @multicast}, 0x14) close_range(0xffffffffffffffff, 0xffffffffffffffff, 0x0) sendto$inet6(r2, &(0x7f0000847fff)='X', 0x34000, 0x0, &(0x7f000005ffe4)={0xa, 0x0, 0x0, @loopback}, 0x1c) (fail_nth: 30) 18:02:42 executing program 0: syz_open_dev$sndmidi(0x0, 0x2, 0x141101) r0 = dup(0xffffffffffffffff) write$6lowpan_enable(r0, &(0x7f0000000000)='0', 0xfffffd2c) syz_open_procfs(0x0, &(0x7f0000000080)='net/dev\x00') r1 = socket$inet6_sctp(0xa, 0x5, 0x84) sendmsg$nl_route(0xffffffffffffffff, 0x0, 0x0) close_range(0xffffffffffffffff, 0xffffffffffffffff, 0x0) sendto$inet6(r1, &(0x7f0000847fff)='X', 0xff24, 0x0, &(0x7f000005ffe4)={0xa, 0x0, 0x0, @loopback}, 0x1c) 18:02:42 executing program 2: prctl$PR_SCHED_CORE(0x3e, 0x1, 0x0, 0x2, 0x0) r0 = syz_open_dev$sndmidi(&(0x7f0000000040), 0x2, 0x141101) r1 = dup(r0) write$6lowpan_enable(r1, 0x0, 0x0) syz_open_procfs(0x0, &(0x7f0000000080)='net/dev\x00') r2 = socket$inet6_sctp(0xa, 0x5, 0x84) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r2, 0x84, 0x9, &(0x7f0000000580)={0x0, @in={{0x2, 0x0, @empty}}, 0x0, 0x0, 0x3fc, 0x0, 0x32}, 0x9c) bind$packet(0xffffffffffffffff, &(0x7f0000000140)={0x11, 0xf0, 0x0, 0x1, 0x0, 0x6, @multicast}, 0x14) sendto$inet6(r2, &(0x7f0000847fff)='X', 0x34000, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) 18:02:42 executing program 3: r0 = dup(0xffffffffffffffff) write$6lowpan_enable(r0, &(0x7f0000000000)='0', 0xfffffd2c) r1 = socket$inet6_sctp(0xa, 0x5, 0x84) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r1, 0x84, 0x9, &(0x7f0000000580)={0x0, @in={{0x2, 0x0, @empty}}, 0x0, 0x0, 0x3fc, 0x0, 0x32}, 0x9c) bind$packet(0xffffffffffffffff, &(0x7f0000000140)={0x11, 0xf0, 0x0, 0x1, 0x0, 0x6, @multicast}, 0x14) sendto$inet6(r1, &(0x7f0000847fff)='X', 0x34000, 0x7, &(0x7f000005ffe4)={0xa, 0x0, 0x0, @loopback}, 0x1c) 18:02:42 executing program 0: syz_open_dev$sndmidi(0x0, 0x2, 0x141101) r0 = dup(0xffffffffffffffff) write$6lowpan_enable(r0, &(0x7f0000000000)='0', 0xfffffd2c) syz_open_procfs(0x0, &(0x7f0000000080)='net/dev\x00') r1 = socket$inet6_sctp(0xa, 0x5, 0x84) sendmsg$nl_route(0xffffffffffffffff, 0x0, 0x0) close_range(0xffffffffffffffff, 0xffffffffffffffff, 0x0) sendto$inet6(r1, &(0x7f0000847fff)='X', 0x34002, 0x0, &(0x7f000005ffe4)={0xa, 0x0, 0x0, @loopback}, 0x1c) 18:02:42 executing program 2: prctl$PR_SCHED_CORE(0x3e, 0x1, 0x0, 0x2, 0x0) r0 = syz_open_dev$sndmidi(&(0x7f0000000040), 0x2, 0x141101) r1 = dup(r0) write$6lowpan_enable(r1, 0x0, 0x0) syz_open_procfs(0x0, &(0x7f0000000080)='net/dev\x00') r2 = socket$inet6_sctp(0xa, 0x5, 0x84) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r2, 0x84, 0x9, &(0x7f0000000580)={0x0, @in={{0x2, 0x0, @empty}}, 0x0, 0x0, 0x3fc, 0x0, 0x32}, 0x9c) bind$packet(0xffffffffffffffff, &(0x7f0000000140)={0x11, 0xf0, 0x0, 0x1, 0x0, 0x6, @multicast}, 0x14) sendto$inet6(r2, &(0x7f0000847fff)='X', 0xbb7, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) 18:02:42 executing program 1: prctl$PR_SCHED_CORE(0x3e, 0x1, 0x0, 0x2, 0x0) r0 = syz_open_dev$sndmidi(&(0x7f0000000040), 0x2, 0x141101) r1 = dup(r0) write$6lowpan_enable(r1, &(0x7f0000000000)='0', 0xfffffd2c) syz_open_procfs(0x0, &(0x7f0000000080)='net/dev\x00') r2 = socket$inet6_sctp(0xa, 0x5, 0x84) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r2, 0x84, 0x9, &(0x7f0000000580)={0x0, @in={{0x2, 0x0, @empty}}, 0x0, 0x0, 0x3fc, 0x0, 0x32}, 0x9c) bind$packet(0xffffffffffffffff, &(0x7f0000000140)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @multicast}, 0x14) sendto$inet6(r2, &(0x7f0000847fff)='X', 0x34000, 0x0, &(0x7f000005ffe4)={0xa, 0x0, 0x0, @loopback}, 0x1c) (fail_nth: 25) 18:02:42 executing program 0: syz_open_dev$sndmidi(0x0, 0x2, 0x141101) r0 = dup(0xffffffffffffffff) write$6lowpan_enable(r0, &(0x7f0000000000)='0', 0xfffffd2c) syz_open_procfs(0x0, &(0x7f0000000080)='net/dev\x00') r1 = socket$inet6_sctp(0xa, 0x5, 0x84) sendmsg$nl_route(0xffffffffffffffff, 0x0, 0x0) close_range(0xffffffffffffffff, 0xffffffffffffffff, 0x0) sendto$inet6(r1, &(0x7f0000847fff)='X', 0x34003, 0x0, &(0x7f000005ffe4)={0xa, 0x0, 0x0, @loopback}, 0x1c) 18:02:43 executing program 2: prctl$PR_SCHED_CORE(0x3e, 0x1, 0x0, 0x2, 0x0) r0 = syz_open_dev$sndmidi(&(0x7f0000000040), 0x2, 0x141101) r1 = dup(r0) write$6lowpan_enable(r1, 0x0, 0x0) syz_open_procfs(0x0, &(0x7f0000000080)='net/dev\x00') r2 = socket$inet6_sctp(0xa, 0x5, 0x84) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r2, 0x84, 0x9, &(0x7f0000000580)={0x0, @in={{0x2, 0x0, @empty}}, 0x0, 0x0, 0x3fc, 0x0, 0x32}, 0x9c) bind$packet(0xffffffffffffffff, &(0x7f0000000140)={0x11, 0xf0, 0x0, 0x1, 0x0, 0x6, @multicast}, 0x14) sendto$inet6(r2, &(0x7f0000847fff)='X', 0x34002, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) 18:02:43 executing program 4: prlimit64(0x0, 0xe, &(0x7f0000000140)={0x8, 0x8b}, 0x0) sched_setscheduler(0x0, 0x2, &(0x7f0000000080)=0x8) r0 = getpid() sched_setscheduler(r0, 0x1, &(0x7f0000001700)=0x4) socketpair$unix(0x1, 0x2, 0x0, &(0x7f0000000200)={0xffffffffffffffff, 0xffffffffffffffff}) recvmmsg(r1, &(0x7f00000000c0), 0x10106, 0x2, 0x0) r3 = openat$loop_ctrl(0xffffff9c, &(0x7f0000000040), 0x0, 0x0) sendmmsg(r2, 0x0, 0x0, 0x0) r4 = getpid() sched_setaffinity(r4, 0x8, &(0x7f0000000000)=0x96f) ioctl$LOOP_CTL_ADD(r3, 0x4c80, 0x0) (fail_nth: 33) ioctl$LOOP_CTL_REMOVE(r3, 0x4c81, 0x0) 18:02:43 executing program 0: syz_open_dev$sndmidi(0x0, 0x2, 0x141101) r0 = dup(0xffffffffffffffff) write$6lowpan_enable(r0, &(0x7f0000000000)='0', 0xfffffd2c) syz_open_procfs(0x0, &(0x7f0000000080)='net/dev\x00') r1 = socket$inet6_sctp(0xa, 0x5, 0x84) sendmsg$nl_route(0xffffffffffffffff, 0x0, 0x0) close_range(0xffffffffffffffff, 0xffffffffffffffff, 0x0) sendto$inet6(r1, &(0x7f0000847fff)='X', 0x34004, 0x0, &(0x7f000005ffe4)={0xa, 0x0, 0x0, @loopback}, 0x1c) 18:02:43 executing program 2: prctl$PR_SCHED_CORE(0x3e, 0x1, 0x0, 0x2, 0x0) r0 = syz_open_dev$sndmidi(&(0x7f0000000040), 0x2, 0x141101) r1 = dup(r0) write$6lowpan_enable(r1, 0x0, 0x0) syz_open_procfs(0x0, &(0x7f0000000080)='net/dev\x00') r2 = socket$inet6_sctp(0xa, 0x5, 0x84) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r2, 0x84, 0x9, &(0x7f0000000580)={0x0, @in={{0x2, 0x0, @empty}}, 0x0, 0x0, 0x3fc, 0x0, 0x32}, 0x9c) bind$packet(0xffffffffffffffff, &(0x7f0000000140)={0x11, 0xf0, 0x0, 0x1, 0x0, 0x6, @multicast}, 0x14) sendto$inet6(r2, &(0x7f0000847fff)='X', 0x34003, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) 18:02:43 executing program 0: syz_open_dev$sndmidi(0x0, 0x2, 0x141101) r0 = dup(0xffffffffffffffff) write$6lowpan_enable(r0, &(0x7f0000000000)='0', 0xfffffd2c) syz_open_procfs(0x0, &(0x7f0000000080)='net/dev\x00') r1 = socket$inet6_sctp(0xa, 0x5, 0x84) sendmsg$nl_route(0xffffffffffffffff, 0x0, 0x0) close_range(0xffffffffffffffff, 0xffffffffffffffff, 0x0) sendto$inet6(r1, &(0x7f0000847fff)='X', 0x34005, 0x0, &(0x7f000005ffe4)={0xa, 0x0, 0x0, @loopback}, 0x1c) 18:02:43 executing program 5: prctl$PR_SCHED_CORE(0x3e, 0x1, 0x0, 0x2, 0x0) r0 = syz_open_dev$sndmidi(&(0x7f0000000040), 0x2, 0x141101) r1 = dup(r0) write$6lowpan_enable(r1, &(0x7f0000000000)='0', 0xfffffd2c) tkill(0x0, 0x0) syz_open_procfs(0x0, 0x0) r2 = socket$inet6_sctp(0xa, 0x5, 0x84) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r2, 0x84, 0x9, &(0x7f0000000580)={0x0, @in={{0x2, 0x0, @empty}}, 0x0, 0x0, 0x3fc, 0x0, 0x32}, 0x9c) bind$packet(0xffffffffffffffff, &(0x7f0000000140)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @multicast}, 0x14) close_range(0xffffffffffffffff, 0xffffffffffffffff, 0x0) sendto$inet6(r2, &(0x7f0000847fff)='X', 0x34000, 0x0, &(0x7f000005ffe4)={0xa, 0x0, 0x0, @loopback}, 0x1c) (fail_nth: 31) 18:02:43 executing program 2: prctl$PR_SCHED_CORE(0x3e, 0x1, 0x0, 0x2, 0x0) r0 = syz_open_dev$sndmidi(&(0x7f0000000040), 0x2, 0x141101) r1 = dup(r0) write$6lowpan_enable(r1, 0x0, 0x0) syz_open_procfs(0x0, &(0x7f0000000080)='net/dev\x00') r2 = socket$inet6_sctp(0xa, 0x5, 0x84) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r2, 0x84, 0x9, &(0x7f0000000580)={0x0, @in={{0x2, 0x0, @empty}}, 0x0, 0x0, 0x3fc, 0x0, 0x32}, 0x9c) bind$packet(0xffffffffffffffff, &(0x7f0000000140)={0x11, 0xf0, 0x0, 0x1, 0x0, 0x6, @multicast}, 0x14) sendto$inet6(r2, &(0x7f0000847fff)='X', 0x34004, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) 18:02:43 executing program 2: prctl$PR_SCHED_CORE(0x3e, 0x1, 0x0, 0x2, 0x0) r0 = syz_open_dev$sndmidi(&(0x7f0000000040), 0x2, 0x141101) r1 = dup(r0) write$6lowpan_enable(r1, 0x0, 0x0) syz_open_procfs(0x0, &(0x7f0000000080)='net/dev\x00') r2 = socket$inet6_sctp(0xa, 0x5, 0x84) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r2, 0x84, 0x9, &(0x7f0000000580)={0x0, @in={{0x2, 0x0, @empty}}, 0x0, 0x0, 0x3fc, 0x0, 0x32}, 0x9c) bind$packet(0xffffffffffffffff, &(0x7f0000000140)={0x11, 0xf0, 0x0, 0x1, 0x0, 0x6, @multicast}, 0x14) sendto$inet6(r2, &(0x7f0000847fff)='X', 0x34007, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) 18:02:43 executing program 0: syz_open_dev$sndmidi(0x0, 0x2, 0x141101) r0 = dup(0xffffffffffffffff) write$6lowpan_enable(r0, &(0x7f0000000000)='0', 0xfffffd2c) syz_open_procfs(0x0, &(0x7f0000000080)='net/dev\x00') r1 = socket$inet6_sctp(0xa, 0x5, 0x84) sendmsg$nl_route(0xffffffffffffffff, 0x0, 0x0) close_range(0xffffffffffffffff, 0xffffffffffffffff, 0x0) sendto$inet6(r1, &(0x7f0000847fff)='X', 0x34006, 0x0, &(0x7f000005ffe4)={0xa, 0x0, 0x0, @loopback}, 0x1c) 18:02:43 executing program 3: r0 = dup(0xffffffffffffffff) write$6lowpan_enable(r0, &(0x7f0000000000)='0', 0xfffffd2c) r1 = socket$inet6_sctp(0xa, 0x5, 0x84) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r1, 0x84, 0x9, &(0x7f0000000580)={0x0, @in={{0x2, 0x0, @empty}}, 0x0, 0x0, 0x3fc, 0x0, 0x32}, 0x9c) bind$packet(0xffffffffffffffff, &(0x7f0000000140)={0x11, 0xf0, 0x0, 0x1, 0x0, 0x6, @multicast}, 0x14) sendto$inet6(r1, &(0x7f0000847fff)='X', 0x34000, 0x8, &(0x7f000005ffe4)={0xa, 0x0, 0x0, @loopback}, 0x1c) 18:02:43 executing program 2: prctl$PR_SCHED_CORE(0x3e, 0x1, 0x0, 0x2, 0x0) r0 = syz_open_dev$sndmidi(&(0x7f0000000040), 0x2, 0x141101) r1 = dup(r0) write$6lowpan_enable(r1, 0x0, 0x0) syz_open_procfs(0x0, &(0x7f0000000080)='net/dev\x00') r2 = socket$inet6_sctp(0xa, 0x5, 0x84) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r2, 0x84, 0x9, &(0x7f0000000580)={0x0, @in={{0x2, 0x0, @empty}}, 0x0, 0x0, 0x3fc, 0x0, 0x32}, 0x9c) bind$packet(0xffffffffffffffff, &(0x7f0000000140)={0x11, 0xf0, 0x0, 0x1, 0x0, 0x6, @multicast}, 0x14) sendto$inet6(r2, &(0x7f0000847fff)='X', 0x3400a, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) 18:02:43 executing program 1: prctl$PR_SCHED_CORE(0x3e, 0x1, 0x0, 0x2, 0x0) r0 = syz_open_dev$sndmidi(&(0x7f0000000040), 0x2, 0x141101) r1 = dup(r0) write$6lowpan_enable(r1, &(0x7f0000000000)='0', 0xfffffd2c) syz_open_procfs(0x0, &(0x7f0000000080)='net/dev\x00') r2 = socket$inet6_sctp(0xa, 0x5, 0x84) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r2, 0x84, 0x9, &(0x7f0000000580)={0x0, @in={{0x2, 0x0, @empty}}, 0x0, 0x0, 0x3fc, 0x0, 0x32}, 0x9c) bind$packet(0xffffffffffffffff, &(0x7f0000000140)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @multicast}, 0x14) sendto$inet6(r2, &(0x7f0000847fff)='X', 0x34000, 0x0, &(0x7f000005ffe4)={0xa, 0x0, 0x0, @loopback}, 0x1c) (fail_nth: 26) 18:02:43 executing program 0: syz_open_dev$sndmidi(0x0, 0x2, 0x141101) r0 = dup(0xffffffffffffffff) write$6lowpan_enable(r0, &(0x7f0000000000)='0', 0xfffffd2c) syz_open_procfs(0x0, &(0x7f0000000080)='net/dev\x00') r1 = socket$inet6_sctp(0xa, 0x5, 0x84) sendmsg$nl_route(0xffffffffffffffff, 0x0, 0x0) close_range(0xffffffffffffffff, 0xffffffffffffffff, 0x0) sendto$inet6(r1, &(0x7f0000847fff)='X', 0x34007, 0x0, &(0x7f000005ffe4)={0xa, 0x0, 0x0, @loopback}, 0x1c) 18:02:44 executing program 4: prlimit64(0x0, 0xe, &(0x7f0000000140)={0x8, 0x8b}, 0x0) sched_setscheduler(0x0, 0x2, &(0x7f0000000080)=0x8) r0 = getpid() sched_setscheduler(r0, 0x1, &(0x7f0000001700)=0x4) socketpair$unix(0x1, 0x2, 0x0, &(0x7f0000000200)={0xffffffffffffffff, 0xffffffffffffffff}) recvmmsg(r1, &(0x7f00000000c0), 0x10106, 0x2, 0x0) r3 = openat$loop_ctrl(0xffffff9c, &(0x7f0000000040), 0x0, 0x0) sendmmsg(r2, 0x0, 0x0, 0x0) r4 = getpid() sched_setaffinity(r4, 0x8, &(0x7f0000000000)=0x96f) ioctl$LOOP_CTL_ADD(r3, 0x4c80, 0x0) (fail_nth: 34) ioctl$LOOP_CTL_REMOVE(r3, 0x4c81, 0x0) 18:02:44 executing program 0: syz_open_dev$sndmidi(0x0, 0x2, 0x141101) r0 = dup(0xffffffffffffffff) write$6lowpan_enable(r0, &(0x7f0000000000)='0', 0xfffffd2c) syz_open_procfs(0x0, &(0x7f0000000080)='net/dev\x00') r1 = socket$inet6_sctp(0xa, 0x5, 0x84) sendmsg$nl_route(0xffffffffffffffff, 0x0, 0x0) close_range(0xffffffffffffffff, 0xffffffffffffffff, 0x0) sendto$inet6(r1, &(0x7f0000847fff)='X', 0x34008, 0x0, &(0x7f000005ffe4)={0xa, 0x0, 0x0, @loopback}, 0x1c) 18:02:44 executing program 2: prctl$PR_SCHED_CORE(0x3e, 0x1, 0x0, 0x2, 0x0) r0 = syz_open_dev$sndmidi(&(0x7f0000000040), 0x2, 0x141101) r1 = dup(r0) write$6lowpan_enable(r1, 0x0, 0x0) syz_open_procfs(0x0, &(0x7f0000000080)='net/dev\x00') r2 = socket$inet6_sctp(0xa, 0x5, 0x84) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r2, 0x84, 0x9, &(0x7f0000000580)={0x0, @in={{0x2, 0x0, @empty}}, 0x0, 0x0, 0x3fc, 0x0, 0x32}, 0x9c) bind$packet(0xffffffffffffffff, &(0x7f0000000140)={0x11, 0xf0, 0x0, 0x1, 0x0, 0x6, @multicast}, 0x14) sendto$inet6(r2, &(0x7f0000847fff)='X', 0x3400f, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) 18:02:44 executing program 0: syz_open_dev$sndmidi(0x0, 0x2, 0x141101) r0 = dup(0xffffffffffffffff) write$6lowpan_enable(r0, &(0x7f0000000000)='0', 0xfffffd2c) syz_open_procfs(0x0, &(0x7f0000000080)='net/dev\x00') r1 = socket$inet6_sctp(0xa, 0x5, 0x84) sendmsg$nl_route(0xffffffffffffffff, 0x0, 0x0) close_range(0xffffffffffffffff, 0xffffffffffffffff, 0x0) sendto$inet6(r1, &(0x7f0000847fff)='X', 0x34009, 0x0, &(0x7f000005ffe4)={0xa, 0x0, 0x0, @loopback}, 0x1c) 18:02:44 executing program 5: prctl$PR_SCHED_CORE(0x3e, 0x1, 0x0, 0x2, 0x0) r0 = syz_open_dev$sndmidi(&(0x7f0000000040), 0x2, 0x141101) r1 = dup(r0) write$6lowpan_enable(r1, &(0x7f0000000000)='0', 0xfffffd2c) tkill(0x0, 0x0) syz_open_procfs(0x0, 0x0) r2 = socket$inet6_sctp(0xa, 0x5, 0x84) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r2, 0x84, 0x9, &(0x7f0000000580)={0x0, @in={{0x2, 0x0, @empty}}, 0x0, 0x0, 0x3fc, 0x0, 0x32}, 0x9c) bind$packet(0xffffffffffffffff, &(0x7f0000000140)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @multicast}, 0x14) close_range(0xffffffffffffffff, 0xffffffffffffffff, 0x0) sendto$inet6(r2, &(0x7f0000847fff)='X', 0x34000, 0x0, &(0x7f000005ffe4)={0xa, 0x0, 0x0, @loopback}, 0x1c) (fail_nth: 32) 18:02:44 executing program 2: prctl$PR_SCHED_CORE(0x3e, 0x1, 0x0, 0x2, 0x0) r0 = syz_open_dev$sndmidi(&(0x7f0000000040), 0x2, 0x141101) r1 = dup(r0) write$6lowpan_enable(r1, 0x0, 0x0) syz_open_procfs(0x0, &(0x7f0000000080)='net/dev\x00') r2 = socket$inet6_sctp(0xa, 0x5, 0x84) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r2, 0x84, 0x9, &(0x7f0000000580)={0x0, @in={{0x2, 0x0, @empty}}, 0x0, 0x0, 0x3fc, 0x0, 0x32}, 0x9c) bind$packet(0xffffffffffffffff, &(0x7f0000000140)={0x11, 0xf0, 0x0, 0x1, 0x0, 0x6, @multicast}, 0x14) sendto$inet6(r2, &(0x7f0000847fff)='X', 0x340fc, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) 18:02:44 executing program 0: syz_open_dev$sndmidi(0x0, 0x2, 0x141101) r0 = dup(0xffffffffffffffff) write$6lowpan_enable(r0, &(0x7f0000000000)='0', 0xfffffd2c) syz_open_procfs(0x0, &(0x7f0000000080)='net/dev\x00') r1 = socket$inet6_sctp(0xa, 0x5, 0x84) sendmsg$nl_route(0xffffffffffffffff, 0x0, 0x0) close_range(0xffffffffffffffff, 0xffffffffffffffff, 0x0) sendto$inet6(r1, &(0x7f0000847fff)='X', 0x3400a, 0x0, &(0x7f000005ffe4)={0xa, 0x0, 0x0, @loopback}, 0x1c) 18:02:44 executing program 2: prctl$PR_SCHED_CORE(0x3e, 0x1, 0x0, 0x2, 0x0) r0 = syz_open_dev$sndmidi(&(0x7f0000000040), 0x2, 0x141101) r1 = dup(r0) write$6lowpan_enable(r1, 0x0, 0x0) syz_open_procfs(0x0, &(0x7f0000000080)='net/dev\x00') r2 = socket$inet6_sctp(0xa, 0x5, 0x84) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r2, 0x84, 0x9, &(0x7f0000000580)={0x0, @in={{0x2, 0x0, @empty}}, 0x0, 0x0, 0x3fc, 0x0, 0x32}, 0x9c) bind$packet(0xffffffffffffffff, &(0x7f0000000140)={0x11, 0xf0, 0x0, 0x1, 0x0, 0x6, @multicast}, 0x14) sendto$inet6(r2, &(0x7f0000847fff)='X', 0x34000, 0x2, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) 18:02:44 executing program 3: r0 = dup(0xffffffffffffffff) write$6lowpan_enable(r0, &(0x7f0000000000)='0', 0xfffffd2c) r1 = socket$inet6_sctp(0xa, 0x5, 0x84) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r1, 0x84, 0x9, &(0x7f0000000580)={0x0, @in={{0x2, 0x0, @empty}}, 0x0, 0x0, 0x3fc, 0x0, 0x32}, 0x9c) bind$packet(0xffffffffffffffff, &(0x7f0000000140)={0x11, 0xf0, 0x0, 0x1, 0x0, 0x6, @multicast}, 0x14) sendto$inet6(r1, &(0x7f0000847fff)='X', 0x34000, 0x9, &(0x7f000005ffe4)={0xa, 0x0, 0x0, @loopback}, 0x1c) 18:02:44 executing program 0: syz_open_dev$sndmidi(0x0, 0x2, 0x141101) r0 = dup(0xffffffffffffffff) write$6lowpan_enable(r0, &(0x7f0000000000)='0', 0xfffffd2c) syz_open_procfs(0x0, &(0x7f0000000080)='net/dev\x00') r1 = socket$inet6_sctp(0xa, 0x5, 0x84) sendmsg$nl_route(0xffffffffffffffff, 0x0, 0x0) close_range(0xffffffffffffffff, 0xffffffffffffffff, 0x0) sendto$inet6(r1, &(0x7f0000847fff)='X', 0x3400e, 0x0, &(0x7f000005ffe4)={0xa, 0x0, 0x0, @loopback}, 0x1c) 18:02:44 executing program 1: prctl$PR_SCHED_CORE(0x3e, 0x1, 0x0, 0x2, 0x0) r0 = syz_open_dev$sndmidi(&(0x7f0000000040), 0x2, 0x141101) r1 = dup(r0) write$6lowpan_enable(r1, &(0x7f0000000000)='0', 0xfffffd2c) syz_open_procfs(0x0, &(0x7f0000000080)='net/dev\x00') r2 = socket$inet6_sctp(0xa, 0x5, 0x84) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r2, 0x84, 0x9, &(0x7f0000000580)={0x0, @in={{0x2, 0x0, @empty}}, 0x0, 0x0, 0x3fc, 0x0, 0x32}, 0x9c) bind$packet(0xffffffffffffffff, &(0x7f0000000140)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @multicast}, 0x14) sendto$inet6(r2, &(0x7f0000847fff)='X', 0x34000, 0x0, &(0x7f000005ffe4)={0xa, 0x0, 0x0, @loopback}, 0x1c) (fail_nth: 27) 18:02:44 executing program 0: syz_open_dev$sndmidi(0x0, 0x2, 0x141101) r0 = dup(0xffffffffffffffff) write$6lowpan_enable(r0, &(0x7f0000000000)='0', 0xfffffd2c) syz_open_procfs(0x0, &(0x7f0000000080)='net/dev\x00') r1 = socket$inet6_sctp(0xa, 0x5, 0x84) sendmsg$nl_route(0xffffffffffffffff, 0x0, 0x0) close_range(0xffffffffffffffff, 0xffffffffffffffff, 0x0) sendto$inet6(r1, &(0x7f0000847fff)='X', 0x3400f, 0x0, &(0x7f000005ffe4)={0xa, 0x0, 0x0, @loopback}, 0x1c) 18:02:45 executing program 4: prlimit64(0x0, 0xe, &(0x7f0000000140)={0x8, 0x8b}, 0x0) sched_setscheduler(0x0, 0x2, &(0x7f0000000080)=0x8) r0 = getpid() sched_setscheduler(r0, 0x1, &(0x7f0000001700)=0x4) socketpair$unix(0x1, 0x2, 0x0, &(0x7f0000000200)={0xffffffffffffffff, 0xffffffffffffffff}) recvmmsg(r1, &(0x7f00000000c0), 0x10106, 0x2, 0x0) r3 = openat$loop_ctrl(0xffffff9c, &(0x7f0000000040), 0x0, 0x0) sendmmsg(r2, 0x0, 0x0, 0x0) r4 = getpid() sched_setaffinity(r4, 0x8, &(0x7f0000000000)=0x96f) ioctl$LOOP_CTL_ADD(r3, 0x4c80, 0x0) (fail_nth: 35) ioctl$LOOP_CTL_REMOVE(r3, 0x4c81, 0x0) 18:02:45 executing program 2: prctl$PR_SCHED_CORE(0x3e, 0x1, 0x0, 0x2, 0x0) r0 = syz_open_dev$sndmidi(&(0x7f0000000040), 0x2, 0x141101) r1 = dup(r0) write$6lowpan_enable(r1, 0x0, 0x0) syz_open_procfs(0x0, &(0x7f0000000080)='net/dev\x00') r2 = socket$inet6_sctp(0xa, 0x5, 0x84) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r2, 0x84, 0x9, &(0x7f0000000580)={0x0, @in={{0x2, 0x0, @empty}}, 0x0, 0x0, 0x3fc, 0x0, 0x32}, 0x9c) bind$packet(0xffffffffffffffff, &(0x7f0000000140)={0x11, 0xf0, 0x0, 0x1, 0x0, 0x6, @multicast}, 0x14) sendto$inet6(r2, &(0x7f0000847fff)='X', 0x34000, 0x3, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) 18:02:45 executing program 0: syz_open_dev$sndmidi(0x0, 0x2, 0x141101) r0 = dup(0xffffffffffffffff) write$6lowpan_enable(r0, &(0x7f0000000000)='0', 0xfffffd2c) syz_open_procfs(0x0, &(0x7f0000000080)='net/dev\x00') r1 = socket$inet6_sctp(0xa, 0x5, 0x84) sendmsg$nl_route(0xffffffffffffffff, 0x0, 0x0) close_range(0xffffffffffffffff, 0xffffffffffffffff, 0x0) sendto$inet6(r1, &(0x7f0000847fff)='X', 0x34010, 0x0, &(0x7f000005ffe4)={0xa, 0x0, 0x0, @loopback}, 0x1c) 18:02:45 executing program 2: prctl$PR_SCHED_CORE(0x3e, 0x1, 0x0, 0x2, 0x0) r0 = syz_open_dev$sndmidi(&(0x7f0000000040), 0x2, 0x141101) r1 = dup(r0) write$6lowpan_enable(r1, 0x0, 0x0) syz_open_procfs(0x0, &(0x7f0000000080)='net/dev\x00') r2 = socket$inet6_sctp(0xa, 0x5, 0x84) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r2, 0x84, 0x9, &(0x7f0000000580)={0x0, @in={{0x2, 0x0, @empty}}, 0x0, 0x0, 0x3fc, 0x0, 0x32}, 0x9c) bind$packet(0xffffffffffffffff, &(0x7f0000000140)={0x11, 0xf0, 0x0, 0x1, 0x0, 0x6, @multicast}, 0x14) sendto$inet6(r2, &(0x7f0000847fff)='X', 0x34000, 0x4, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) 18:02:45 executing program 5: prctl$PR_SCHED_CORE(0x3e, 0x1, 0x0, 0x2, 0x0) r0 = syz_open_dev$sndmidi(&(0x7f0000000040), 0x2, 0x141101) r1 = dup(r0) write$6lowpan_enable(r1, &(0x7f0000000000)='0', 0xfffffd2c) tkill(0x0, 0x0) syz_open_procfs(0x0, 0x0) r2 = socket$inet6_sctp(0xa, 0x5, 0x84) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r2, 0x84, 0x9, &(0x7f0000000580)={0x0, @in={{0x2, 0x0, @empty}}, 0x0, 0x0, 0x3fc, 0x0, 0x32}, 0x9c) bind$packet(0xffffffffffffffff, &(0x7f0000000140)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @multicast}, 0x14) close_range(0xffffffffffffffff, 0xffffffffffffffff, 0x0) sendto$inet6(r2, &(0x7f0000847fff)='X', 0x34000, 0x0, &(0x7f000005ffe4)={0xa, 0x0, 0x0, @loopback}, 0x1c) (fail_nth: 33) 18:02:45 executing program 0: syz_open_dev$sndmidi(0x0, 0x2, 0x141101) r0 = dup(0xffffffffffffffff) write$6lowpan_enable(r0, &(0x7f0000000000)='0', 0xfffffd2c) syz_open_procfs(0x0, &(0x7f0000000080)='net/dev\x00') r1 = socket$inet6_sctp(0xa, 0x5, 0x84) sendmsg$nl_route(0xffffffffffffffff, 0x0, 0x0) close_range(0xffffffffffffffff, 0xffffffffffffffff, 0x0) sendto$inet6(r1, &(0x7f0000847fff)='X', 0x340fc, 0x0, &(0x7f000005ffe4)={0xa, 0x0, 0x0, @loopback}, 0x1c) 18:02:45 executing program 2: prctl$PR_SCHED_CORE(0x3e, 0x1, 0x0, 0x2, 0x0) r0 = syz_open_dev$sndmidi(&(0x7f0000000040), 0x2, 0x141101) r1 = dup(r0) write$6lowpan_enable(r1, 0x0, 0x0) syz_open_procfs(0x0, &(0x7f0000000080)='net/dev\x00') r2 = socket$inet6_sctp(0xa, 0x5, 0x84) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r2, 0x84, 0x9, &(0x7f0000000580)={0x0, @in={{0x2, 0x0, @empty}}, 0x0, 0x0, 0x3fc, 0x0, 0x32}, 0x9c) bind$packet(0xffffffffffffffff, &(0x7f0000000140)={0x11, 0xf0, 0x0, 0x1, 0x0, 0x6, @multicast}, 0x14) sendto$inet6(r2, &(0x7f0000847fff)='X', 0x34000, 0x7, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) 18:02:45 executing program 0: syz_open_dev$sndmidi(0x0, 0x2, 0x141101) r0 = dup(0xffffffffffffffff) write$6lowpan_enable(r0, &(0x7f0000000000)='0', 0xfffffd2c) syz_open_procfs(0x0, &(0x7f0000000080)='net/dev\x00') r1 = socket$inet6_sctp(0xa, 0x5, 0x84) sendmsg$nl_route(0xffffffffffffffff, 0x0, 0x0) close_range(0xffffffffffffffff, 0xffffffffffffffff, 0x0) sendto$inet6(r1, &(0x7f0000847fff)='X', 0x3d800, 0x0, &(0x7f000005ffe4)={0xa, 0x0, 0x0, @loopback}, 0x1c) 18:02:45 executing program 0: syz_open_dev$sndmidi(0x0, 0x2, 0x141101) r0 = dup(0xffffffffffffffff) write$6lowpan_enable(r0, &(0x7f0000000000)='0', 0xfffffd2c) syz_open_procfs(0x0, &(0x7f0000000080)='net/dev\x00') r1 = socket$inet6_sctp(0xa, 0x5, 0x84) sendmsg$nl_route(0xffffffffffffffff, 0x0, 0x0) close_range(0xffffffffffffffff, 0xffffffffffffffff, 0x0) sendto$inet6(r1, &(0x7f0000847fff)='X', 0x34000, 0x2, &(0x7f000005ffe4)={0xa, 0x0, 0x0, @loopback}, 0x1c) 18:02:45 executing program 2: prctl$PR_SCHED_CORE(0x3e, 0x1, 0x0, 0x2, 0x0) r0 = syz_open_dev$sndmidi(&(0x7f0000000040), 0x2, 0x141101) r1 = dup(r0) write$6lowpan_enable(r1, 0x0, 0x0) syz_open_procfs(0x0, &(0x7f0000000080)='net/dev\x00') r2 = socket$inet6_sctp(0xa, 0x5, 0x84) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r2, 0x84, 0x9, &(0x7f0000000580)={0x0, @in={{0x2, 0x0, @empty}}, 0x0, 0x0, 0x3fc, 0x0, 0x32}, 0x9c) bind$packet(0xffffffffffffffff, &(0x7f0000000140)={0x11, 0xf0, 0x0, 0x1, 0x0, 0x6, @multicast}, 0x14) sendto$inet6(r2, &(0x7f0000847fff)='X', 0x34000, 0xa, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) 18:02:45 executing program 1: prctl$PR_SCHED_CORE(0x3e, 0x1, 0x0, 0x2, 0x0) r0 = syz_open_dev$sndmidi(&(0x7f0000000040), 0x2, 0x141101) r1 = dup(r0) write$6lowpan_enable(r1, &(0x7f0000000000)='0', 0xfffffd2c) syz_open_procfs(0x0, &(0x7f0000000080)='net/dev\x00') r2 = socket$inet6_sctp(0xa, 0x5, 0x84) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r2, 0x84, 0x9, &(0x7f0000000580)={0x0, @in={{0x2, 0x0, @empty}}, 0x0, 0x0, 0x3fc, 0x0, 0x32}, 0x9c) bind$packet(0xffffffffffffffff, &(0x7f0000000140)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @multicast}, 0x14) sendto$inet6(r2, &(0x7f0000847fff)='X', 0x34000, 0x0, &(0x7f000005ffe4)={0xa, 0x0, 0x0, @loopback}, 0x1c) (fail_nth: 28) 18:02:45 executing program 3: r0 = dup(0xffffffffffffffff) write$6lowpan_enable(r0, &(0x7f0000000000)='0', 0xfffffd2c) r1 = socket$inet6_sctp(0xa, 0x5, 0x84) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r1, 0x84, 0x9, &(0x7f0000000580)={0x0, @in={{0x2, 0x0, @empty}}, 0x0, 0x0, 0x3fc, 0x0, 0x32}, 0x9c) bind$packet(0xffffffffffffffff, &(0x7f0000000140)={0x11, 0xf0, 0x0, 0x1, 0x0, 0x6, @multicast}, 0x14) sendto$inet6(r1, &(0x7f0000847fff)='X', 0x34000, 0xa, &(0x7f000005ffe4)={0xa, 0x0, 0x0, @loopback}, 0x1c) 18:02:45 executing program 4: prlimit64(0x0, 0xe, &(0x7f0000000140)={0x8, 0x8b}, 0x0) sched_setscheduler(0x0, 0x2, &(0x7f0000000080)=0x8) r0 = getpid() sched_setscheduler(r0, 0x1, &(0x7f0000001700)=0x4) socketpair$unix(0x1, 0x2, 0x0, &(0x7f0000000200)={0xffffffffffffffff, 0xffffffffffffffff}) recvmmsg(r1, &(0x7f00000000c0), 0x10106, 0x2, 0x0) r3 = openat$loop_ctrl(0xffffff9c, &(0x7f0000000040), 0x0, 0x0) sendmmsg(r2, 0x0, 0x0, 0x0) r4 = getpid() sched_setaffinity(r4, 0x8, &(0x7f0000000000)=0x96f) ioctl$LOOP_CTL_ADD(r3, 0x4c80, 0x0) (fail_nth: 36) ioctl$LOOP_CTL_REMOVE(r3, 0x4c81, 0x0) 18:02:45 executing program 2: prctl$PR_SCHED_CORE(0x3e, 0x1, 0x0, 0x2, 0x0) r0 = syz_open_dev$sndmidi(&(0x7f0000000040), 0x2, 0x141101) r1 = dup(r0) write$6lowpan_enable(r1, 0x0, 0x0) syz_open_procfs(0x0, &(0x7f0000000080)='net/dev\x00') r2 = socket$inet6_sctp(0xa, 0x5, 0x84) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r2, 0x84, 0x9, &(0x7f0000000580)={0x0, @in={{0x2, 0x0, @empty}}, 0x0, 0x0, 0x3fc, 0x0, 0x32}, 0x9c) bind$packet(0xffffffffffffffff, &(0x7f0000000140)={0x11, 0xf0, 0x0, 0x1, 0x0, 0x6, @multicast}, 0x14) sendto$inet6(r2, &(0x7f0000847fff)='X', 0x34000, 0xf, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) 18:02:45 executing program 0: syz_open_dev$sndmidi(0x0, 0x2, 0x141101) r0 = dup(0xffffffffffffffff) write$6lowpan_enable(r0, &(0x7f0000000000)='0', 0xfffffd2c) syz_open_procfs(0x0, &(0x7f0000000080)='net/dev\x00') r1 = socket$inet6_sctp(0xa, 0x5, 0x84) sendmsg$nl_route(0xffffffffffffffff, 0x0, 0x0) close_range(0xffffffffffffffff, 0xffffffffffffffff, 0x0) sendto$inet6(r1, &(0x7f0000847fff)='X', 0x34000, 0x3, &(0x7f000005ffe4)={0xa, 0x0, 0x0, @loopback}, 0x1c) 18:02:46 executing program 2: prctl$PR_SCHED_CORE(0x3e, 0x1, 0x0, 0x2, 0x0) r0 = syz_open_dev$sndmidi(&(0x7f0000000040), 0x2, 0x141101) r1 = dup(r0) write$6lowpan_enable(r1, 0x0, 0x0) syz_open_procfs(0x0, &(0x7f0000000080)='net/dev\x00') r2 = socket$inet6_sctp(0xa, 0x5, 0x84) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r2, 0x84, 0x9, &(0x7f0000000580)={0x0, @in={{0x2, 0x0, @empty}}, 0x0, 0x0, 0x3fc, 0x0, 0x32}, 0x9c) bind$packet(0xffffffffffffffff, &(0x7f0000000140)={0x11, 0xf0, 0x0, 0x1, 0x0, 0x6, @multicast}, 0x14) sendto$inet6(r2, &(0x7f0000847fff)='X', 0x34000, 0xfc, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) 18:02:46 executing program 5: prctl$PR_SCHED_CORE(0x3e, 0x1, 0x0, 0x2, 0x0) r0 = syz_open_dev$sndmidi(&(0x7f0000000040), 0x2, 0x141101) r1 = dup(r0) write$6lowpan_enable(r1, &(0x7f0000000000)='0', 0xfffffd2c) tkill(0x0, 0x0) syz_open_procfs(0x0, 0x0) r2 = socket$inet6_sctp(0xa, 0x5, 0x84) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r2, 0x84, 0x9, &(0x7f0000000580)={0x0, @in={{0x2, 0x0, @empty}}, 0x0, 0x0, 0x3fc, 0x0, 0x32}, 0x9c) bind$packet(0xffffffffffffffff, &(0x7f0000000140)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @multicast}, 0x14) close_range(0xffffffffffffffff, 0xffffffffffffffff, 0x0) sendto$inet6(r2, &(0x7f0000847fff)='X', 0x34000, 0x0, &(0x7f000005ffe4)={0xa, 0x0, 0x0, @loopback}, 0x1c) (fail_nth: 34) 18:02:46 executing program 0: syz_open_dev$sndmidi(0x0, 0x2, 0x141101) r0 = dup(0xffffffffffffffff) write$6lowpan_enable(r0, &(0x7f0000000000)='0', 0xfffffd2c) syz_open_procfs(0x0, &(0x7f0000000080)='net/dev\x00') r1 = socket$inet6_sctp(0xa, 0x5, 0x84) sendmsg$nl_route(0xffffffffffffffff, 0x0, 0x0) close_range(0xffffffffffffffff, 0xffffffffffffffff, 0x0) sendto$inet6(r1, &(0x7f0000847fff)='X', 0x34000, 0x4, &(0x7f000005ffe4)={0xa, 0x0, 0x0, @loopback}, 0x1c) 18:02:46 executing program 2: prctl$PR_SCHED_CORE(0x3e, 0x1, 0x0, 0x2, 0x0) r0 = syz_open_dev$sndmidi(&(0x7f0000000040), 0x2, 0x141101) r1 = dup(r0) write$6lowpan_enable(r1, 0x0, 0x0) syz_open_procfs(0x0, &(0x7f0000000080)='net/dev\x00') r2 = socket$inet6_sctp(0xa, 0x5, 0x84) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r2, 0x84, 0x9, &(0x7f0000000580)={0x0, @in={{0x2, 0x0, @empty}}, 0x0, 0x0, 0x3fc, 0x0, 0x32}, 0x9c) bind$packet(0xffffffffffffffff, &(0x7f0000000140)={0x11, 0xf0, 0x0, 0x1, 0x0, 0x6, @multicast}, 0x14) sendto$inet6(r2, &(0x7f0000847fff)='X', 0x34000, 0x300, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) 18:02:46 executing program 2: prctl$PR_SCHED_CORE(0x3e, 0x1, 0x0, 0x2, 0x0) r0 = syz_open_dev$sndmidi(&(0x7f0000000040), 0x2, 0x141101) r1 = dup(r0) write$6lowpan_enable(r1, 0x0, 0x0) syz_open_procfs(0x0, &(0x7f0000000080)='net/dev\x00') r2 = socket$inet6_sctp(0xa, 0x5, 0x84) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r2, 0x84, 0x9, &(0x7f0000000580)={0x0, @in={{0x2, 0x0, @empty}}, 0x0, 0x0, 0x3fc, 0x0, 0x32}, 0x9c) bind$packet(0xffffffffffffffff, &(0x7f0000000140)={0x11, 0xf0, 0x0, 0x1, 0x0, 0x6, @multicast}, 0x14) sendto$inet6(r2, &(0x7f0000847fff)='X', 0x34000, 0x700, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) 18:02:46 executing program 0: syz_open_dev$sndmidi(0x0, 0x2, 0x141101) r0 = dup(0xffffffffffffffff) write$6lowpan_enable(r0, &(0x7f0000000000)='0', 0xfffffd2c) syz_open_procfs(0x0, &(0x7f0000000080)='net/dev\x00') r1 = socket$inet6_sctp(0xa, 0x5, 0x84) sendmsg$nl_route(0xffffffffffffffff, 0x0, 0x0) close_range(0xffffffffffffffff, 0xffffffffffffffff, 0x0) sendto$inet6(r1, &(0x7f0000847fff)='X', 0x34000, 0x5, &(0x7f000005ffe4)={0xa, 0x0, 0x0, @loopback}, 0x1c) 18:02:46 executing program 3: r0 = dup(0xffffffffffffffff) write$6lowpan_enable(r0, &(0x7f0000000000)='0', 0xfffffd2c) r1 = socket$inet6_sctp(0xa, 0x5, 0x84) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r1, 0x84, 0x9, &(0x7f0000000580)={0x0, @in={{0x2, 0x0, @empty}}, 0x0, 0x0, 0x3fc, 0x0, 0x32}, 0x9c) bind$packet(0xffffffffffffffff, &(0x7f0000000140)={0x11, 0xf0, 0x0, 0x1, 0x0, 0x6, @multicast}, 0x14) sendto$inet6(r1, &(0x7f0000847fff)='X', 0x34000, 0xf, &(0x7f000005ffe4)={0xa, 0x0, 0x0, @loopback}, 0x1c) 18:02:46 executing program 1: prctl$PR_SCHED_CORE(0x3e, 0x1, 0x0, 0x2, 0x0) r0 = syz_open_dev$sndmidi(&(0x7f0000000040), 0x2, 0x141101) r1 = dup(r0) write$6lowpan_enable(r1, &(0x7f0000000000)='0', 0xfffffd2c) syz_open_procfs(0x0, &(0x7f0000000080)='net/dev\x00') r2 = socket$inet6_sctp(0xa, 0x5, 0x84) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r2, 0x84, 0x9, &(0x7f0000000580)={0x0, @in={{0x2, 0x0, @empty}}, 0x0, 0x0, 0x3fc, 0x0, 0x32}, 0x9c) bind$packet(0xffffffffffffffff, &(0x7f0000000140)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @multicast}, 0x14) sendto$inet6(r2, &(0x7f0000847fff)='X', 0x34000, 0x0, &(0x7f000005ffe4)={0xa, 0x0, 0x0, @loopback}, 0x1c) (fail_nth: 29) 18:02:46 executing program 4: prlimit64(0x0, 0xe, &(0x7f0000000140)={0x8, 0x8b}, 0x0) sched_setscheduler(0x0, 0x2, &(0x7f0000000080)=0x8) r0 = getpid() sched_setscheduler(r0, 0x1, &(0x7f0000001700)=0x4) socketpair$unix(0x1, 0x2, 0x0, &(0x7f0000000200)={0xffffffffffffffff, 0xffffffffffffffff}) recvmmsg(r1, &(0x7f00000000c0), 0x10106, 0x2, 0x0) r3 = openat$loop_ctrl(0xffffff9c, &(0x7f0000000040), 0x0, 0x0) sendmmsg(r2, 0x0, 0x0, 0x0) r4 = getpid() sched_setaffinity(r4, 0x8, &(0x7f0000000000)=0x96f) ioctl$LOOP_CTL_ADD(r3, 0x4c80, 0x0) (fail_nth: 37) ioctl$LOOP_CTL_REMOVE(r3, 0x4c81, 0x0) 18:02:46 executing program 2: prctl$PR_SCHED_CORE(0x3e, 0x1, 0x0, 0x2, 0x0) r0 = syz_open_dev$sndmidi(&(0x7f0000000040), 0x2, 0x141101) r1 = dup(r0) write$6lowpan_enable(r1, 0x0, 0x0) syz_open_procfs(0x0, &(0x7f0000000080)='net/dev\x00') r2 = socket$inet6_sctp(0xa, 0x5, 0x84) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r2, 0x84, 0x9, &(0x7f0000000580)={0x0, @in={{0x2, 0x0, @empty}}, 0x0, 0x0, 0x3fc, 0x0, 0x32}, 0x9c) bind$packet(0xffffffffffffffff, &(0x7f0000000140)={0x11, 0xf0, 0x0, 0x1, 0x0, 0x6, @multicast}, 0x14) sendto$inet6(r2, &(0x7f0000847fff)='X', 0x34000, 0xa00, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) [ 816.935602][T12969] [ 816.937954][T12969] ====================================================== [ 816.944949][T12969] WARNING: possible circular locking dependency detected [ 816.951944][T12969] 6.0.0-rc4-syzkaller #0 Not tainted [ 816.957207][T12969] ------------------------------------------------------ [ 816.964203][T12969] syz-executor.4/12969 is trying to acquire lock: [ 816.970596][T12969] ffff88801fea90a8 ((&sq->pending_timer)){+.-.}-{0:0}, at: del_timer_sync+0x33/0x1b0 [ 816.980064][T12969] [ 816.980064][T12969] but task is already holding lock: [ 816.987406][T12969] ffffffff9133a030 (&blkcg->lock){....}-{2:2}, at: blkcg_deactivate_policy+0x181/0x470 [ 816.997040][T12969] [ 816.997040][T12969] which lock already depends on the new lock. [ 816.997040][T12969] [ 817.007420][T12969] [ 817.007420][T12969] the existing dependency chain (in reverse order) is: [ 817.016420][T12969] [ 817.016420][T12969] -> #2 (&blkcg->lock){....}-{2:2}: [ 817.023792][T12969] _raw_spin_lock+0x2a/0x40 [ 817.028813][T12969] blkg_create+0x461/0x1020 [ 817.033861][T12969] blkcg_init_queue+0xb2/0x620 [ 817.039131][T12969] __alloc_disk_node+0x29d/0x650 [ 817.044581][T12969] __blk_alloc_disk+0x35/0x90 [ 817.049773][T12969] brd_alloc.part.0+0x27f/0x7a0 [ 817.055144][T12969] brd_init+0x1b8/0x24b [ 817.059807][T12969] do_one_initcall+0xfe/0x650 [ 817.064996][T12969] kernel_init_freeable+0x6b1/0x73a [ 817.070706][T12969] kernel_init+0x1a/0x1d0 [ 817.075567][T12969] ret_from_fork+0x1f/0x30 [ 817.080488][T12969] [ 817.080488][T12969] -> #1 (&q->queue_lock){..-.}-{2:2}: [ 817.088111][T12969] _raw_spin_lock_irq+0x32/0x50 [ 817.093465][T12969] throtl_pending_timer_fn+0xf7/0x1690 [ 817.099434][T12969] call_timer_fn+0x1a0/0x6b0 [ 817.104555][T12969] __run_timers.part.0+0x674/0xa80 [ 817.110346][T12969] run_timer_softirq+0xb3/0x1d0 [ 817.115702][T12969] __do_softirq+0x1d3/0x9c6 [ 817.120734][T12969] __irq_exit_rcu+0x123/0x180 [ 817.125924][T12969] irq_exit_rcu+0x5/0x20 [ 817.130687][T12969] sysvec_apic_timer_interrupt+0x93/0xc0 [ 817.136831][T12969] asm_sysvec_apic_timer_interrupt+0x16/0x20 [ 817.143319][T12969] __sanitizer_cov_trace_pc+0x0/0x60 [ 817.149111][T12969] del_timer_sync+0xca/0x1b0 [ 817.154211][T12969] blkcg_iolatency_exit+0x12/0x60 [ 817.159741][T12969] rq_qos_exit+0x97/0xf0 [ 817.164490][T12969] del_gendisk+0x760/0xb30 [ 817.169416][T12969] loop_control_ioctl+0x44d/0x620 [ 817.174946][T12969] __x64_sys_ioctl+0x193/0x200 [ 817.180226][T12969] do_syscall_64+0x35/0xb0 [ 817.185164][T12969] entry_SYSCALL_64_after_hwframe+0x63/0xcd [ 817.191561][T12969] [ 817.191561][T12969] -> #0 ((&sq->pending_timer)){+.-.}-{0:0}: [ 817.199615][T12969] __lock_acquire+0x2a43/0x56d0 [ 817.204973][T12969] lock_acquire+0x1ab/0x570 [ 817.209980][T12969] del_timer_sync+0x5b/0x1b0 [ 817.215076][T12969] throtl_pd_free+0x15/0x40 [ 817.220086][T12969] blkcg_deactivate_policy+0x26c/0x470 [ 817.226049][T12969] blk_throtl_exit+0x8a/0x1a0 [ 817.231237][T12969] blkcg_init_queue+0x19b/0x620 [ 817.236592][T12969] __alloc_disk_node+0x29d/0x650 [ 817.242040][T12969] __blk_mq_alloc_disk+0x13b/0x1f0 [ 817.247657][T12969] loop_add+0x3e2/0xaf0 [ 817.252317][T12969] loop_control_ioctl+0x133/0x620 [ 817.257849][T12969] __x64_sys_ioctl+0x193/0x200 [ 817.263118][T12969] do_syscall_64+0x35/0xb0 [ 817.268039][T12969] entry_SYSCALL_64_after_hwframe+0x63/0xcd [ 817.274437][T12969] [ 817.274437][T12969] other info that might help us debug this: [ 817.274437][T12969] [ 817.284643][T12969] Chain exists of: [ 817.284643][T12969] (&sq->pending_timer) --> &q->queue_lock --> &blkcg->lock [ 817.284643][T12969] [ 817.297740][T12969] Possible unsafe locking scenario: [ 817.297740][T12969] [ 817.305170][T12969] CPU0 CPU1 [ 817.310513][T12969] ---- ---- [ 817.315860][T12969] lock(&blkcg->lock); [ 817.320000][T12969] lock(&q->queue_lock); [ 817.326832][T12969] lock(&blkcg->lock); [ 817.333492][T12969] lock((&sq->pending_timer)); [ 817.338327][T12969] [ 817.338327][T12969] *** DEADLOCK *** [ 817.338327][T12969] [ 817.346450][T12969] 2 locks held by syz-executor.4/12969: [ 817.351973][T12969] #0: ffff888020290888 (&q->queue_lock){..-.}-{2:2}, at: blkcg_deactivate_policy+0x9b/0x470 [ 817.362134][T12969] #1: ffffffff9133a030 (&blkcg->lock){....}-{2:2}, at: blkcg_deactivate_policy+0x181/0x470 [ 817.372206][T12969] [ 817.372206][T12969] stack backtrace: [ 817.378109][T12969] CPU: 1 PID: 12969 Comm: syz-executor.4 Not tainted 6.0.0-rc4-syzkaller #0 [ 817.386788][T12969] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/26/2022 [ 817.396855][T12969] Call Trace: [ 817.400124][T12969] [ 817.403064][T12969] dump_stack_lvl+0xcd/0x134 [ 817.407646][T12969] check_noncircular+0x25f/0x2e0 [ 817.412573][T12969] ? register_lock_class+0xbe/0x1120 [ 817.417843][T12969] ? print_circular_bug+0x1e0/0x1e0 [ 817.423033][T12969] ? __lock_acquire+0x166e/0x56d0 [ 817.428045][T12969] __lock_acquire+0x2a43/0x56d0 [ 817.432883][T12969] ? lockdep_hardirqs_on_prepare+0x400/0x400 [ 817.438853][T12969] lock_acquire+0x1ab/0x570 [ 817.443340][T12969] ? del_timer_sync+0x33/0x1b0 [ 817.448090][T12969] ? lock_release+0x780/0x780 [ 817.452774][T12969] ? lock_release+0x780/0x780 [ 817.457434][T12969] ? blk_mq_freeze_queue_wait+0xab/0x160 [ 817.463056][T12969] ? blk_mq_queue_inflight+0xa0/0xa0 [ 817.468329][T12969] ? do_raw_spin_lock+0x120/0x2a0 [ 817.473342][T12969] del_timer_sync+0x5b/0x1b0 [ 817.477938][T12969] ? del_timer_sync+0x33/0x1b0 [ 817.482688][T12969] throtl_pd_free+0x15/0x40 [ 817.487200][T12969] blkcg_deactivate_policy+0x26c/0x470 [ 817.492645][T12969] ? throtl_upgrade_state+0xee0/0xee0 [ 817.498006][T12969] blk_throtl_exit+0x8a/0x1a0 [ 817.502678][T12969] blkcg_init_queue+0x19b/0x620 [ 817.507519][T12969] __alloc_disk_node+0x29d/0x650 [ 817.512453][T12969] __blk_mq_alloc_disk+0x13b/0x1f0 [ 817.517574][T12969] loop_add+0x3e2/0xaf0 [ 817.521802][T12969] loop_control_ioctl+0x133/0x620 [ 817.526811][T12969] ? lo_compat_ioctl+0x110/0x110 [ 817.531740][T12969] ? bpf_lsm_file_ioctl+0x5/0x10 [ 817.536666][T12969] ? lo_compat_ioctl+0x110/0x110 [ 817.541591][T12969] __x64_sys_ioctl+0x193/0x200 [ 817.546340][T12969] do_syscall_64+0x35/0xb0 [ 817.550750][T12969] entry_SYSCALL_64_after_hwframe+0x63/0xcd [ 817.556628][T12969] RIP: 0033:0x7f0389489279 [ 817.561027][T12969] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48 18:02:47 executing program 0: syz_open_dev$sndmidi(0x0, 0x2, 0x141101) r0 = dup(0xffffffffffffffff) write$6lowpan_enable(r0, &(0x7f0000000000)='0', 0xfffffd2c) syz_open_procfs(0x0, &(0x7f0000000080)='net/dev\x00') r1 = socket$inet6_sctp(0xa, 0x5, 0x84) sendmsg$nl_route(0xffffffffffffffff, 0x0, 0x0) close_range(0xffffffffffffffff, 0xffffffffffffffff, 0x0) sendto$inet6(r1, &(0x7f0000847fff)='X', 0x34000, 0x6, &(0x7f000005ffe4)={0xa, 0x0, 0x0, @loopback}, 0x1c) [ 817.580620][T12969] RSP: 002b:00007f038a53c168 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 817.589013][T12969] RAX: ffffffffffffffda RBX: 00007f038959c050 RCX: 00007f0389489279 [ 817.596969][T12969] RDX: 0000000000000000 RSI: 0000000000004c80 RDI: 0000000000000005 [ 817.604928][T12969] RBP: 00007f038a53c1d0 R08: 0000000000000000 R09: 0000000000000000 [ 817.612886][T12969] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002 [ 817.620839][T12969] R13: 00007fffd39ca5af R14: 00007f038a53c300 R15: 0000000000022000 [ 817.628827][T12969] 18:02:47 executing program 4: prlimit64(0x0, 0xe, &(0x7f0000000140)={0x8, 0x8b}, 0x0) sched_setscheduler(0x0, 0x2, &(0x7f0000000080)=0x8) r0 = getpid() sched_setscheduler(r0, 0x1, &(0x7f0000001700)=0x4) socketpair$unix(0x1, 0x2, 0x0, &(0x7f0000000200)={0xffffffffffffffff, 0xffffffffffffffff}) recvmmsg(r1, &(0x7f00000000c0), 0x10106, 0x2, 0x0) r3 = openat$loop_ctrl(0xffffff9c, &(0x7f0000000040), 0x0, 0x0) sendmmsg(r2, 0x0, 0x0, 0x0) r4 = getpid() sched_setaffinity(r4, 0x8, &(0x7f0000000000)=0x96f) ioctl$LOOP_CTL_ADD(r3, 0x4c80, 0x0) (fail_nth: 38) ioctl$LOOP_CTL_REMOVE(r3, 0x4c81, 0x0) 18:02:47 executing program 3: r0 = dup(0xffffffffffffffff) write$6lowpan_enable(r0, &(0x7f0000000000)='0', 0xfffffd2c) r1 = socket$inet6_sctp(0xa, 0x5, 0x84) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r1, 0x84, 0x9, &(0x7f0000000580)={0x0, @in={{0x2, 0x0, @empty}}, 0x0, 0x0, 0x3fc, 0x0, 0x32}, 0x9c) bind$packet(0xffffffffffffffff, &(0x7f0000000140)={0x11, 0xf0, 0x0, 0x1, 0x0, 0x6, @multicast}, 0x14) sendto$inet6(r1, &(0x7f0000847fff)='X', 0x34000, 0xfc, &(0x7f000005ffe4)={0xa, 0x0, 0x0, @loopback}, 0x1c) 18:02:47 executing program 5: prctl$PR_SCHED_CORE(0x3e, 0x1, 0x0, 0x2, 0x0) r0 = syz_open_dev$sndmidi(&(0x7f0000000040), 0x2, 0x141101) r1 = dup(r0) write$6lowpan_enable(r1, &(0x7f0000000000)='0', 0xfffffd2c) tkill(0x0, 0x0) syz_open_procfs(0x0, 0x0) r2 = socket$inet6_sctp(0xa, 0x5, 0x84) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r2, 0x84, 0x9, &(0x7f0000000580)={0x0, @in={{0x2, 0x0, @empty}}, 0x0, 0x0, 0x3fc, 0x0, 0x32}, 0x9c) bind$packet(0xffffffffffffffff, &(0x7f0000000140)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @multicast}, 0x14) close_range(0xffffffffffffffff, 0xffffffffffffffff, 0x0) sendto$inet6(r2, &(0x7f0000847fff)='X', 0x34000, 0x0, &(0x7f000005ffe4)={0xa, 0x0, 0x0, @loopback}, 0x1c) (fail_nth: 35) 18:02:47 executing program 0: syz_open_dev$sndmidi(0x0, 0x2, 0x141101) r0 = dup(0xffffffffffffffff) write$6lowpan_enable(r0, &(0x7f0000000000)='0', 0xfffffd2c) syz_open_procfs(0x0, &(0x7f0000000080)='net/dev\x00') r1 = socket$inet6_sctp(0xa, 0x5, 0x84) sendmsg$nl_route(0xffffffffffffffff, 0x0, 0x0) close_range(0xffffffffffffffff, 0xffffffffffffffff, 0x0) sendto$inet6(r1, &(0x7f0000847fff)='X', 0x34000, 0x7, &(0x7f000005ffe4)={0xa, 0x0, 0x0, @loopback}, 0x1c) 18:02:47 executing program 2: prctl$PR_SCHED_CORE(0x3e, 0x1, 0x0, 0x2, 0x0) r0 = syz_open_dev$sndmidi(&(0x7f0000000040), 0x2, 0x141101) r1 = dup(r0) write$6lowpan_enable(r1, 0x0, 0x0) syz_open_procfs(0x0, &(0x7f0000000080)='net/dev\x00') r2 = socket$inet6_sctp(0xa, 0x5, 0x84) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r2, 0x84, 0x9, &(0x7f0000000580)={0x0, @in={{0x2, 0x0, @empty}}, 0x0, 0x0, 0x3fc, 0x0, 0x32}, 0x9c) bind$packet(0xffffffffffffffff, &(0x7f0000000140)={0x11, 0xf0, 0x0, 0x1, 0x0, 0x6, @multicast}, 0x14) sendto$inet6(r2, &(0x7f0000847fff)='X', 0x34000, 0xf00, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) 18:02:47 executing program 3: r0 = dup(0xffffffffffffffff) write$6lowpan_enable(r0, &(0x7f0000000000)='0', 0xfffffd2c) r1 = socket$inet6_sctp(0xa, 0x5, 0x84) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r1, 0x84, 0x9, &(0x7f0000000580)={0x0, @in={{0x2, 0x0, @empty}}, 0x0, 0x0, 0x3fc, 0x0, 0x32}, 0x9c) bind$packet(0xffffffffffffffff, &(0x7f0000000140)={0x11, 0xf0, 0x0, 0x1, 0x0, 0x6, @multicast}, 0x14) sendto$inet6(r1, &(0x7f0000847fff)='X', 0x34000, 0x12c, &(0x7f000005ffe4)={0xa, 0x0, 0x0, @loopback}, 0x1c) 18:02:47 executing program 1: prctl$PR_SCHED_CORE(0x3e, 0x1, 0x0, 0x2, 0x0) r0 = syz_open_dev$sndmidi(&(0x7f0000000040), 0x2, 0x141101) r1 = dup(r0) write$6lowpan_enable(r1, &(0x7f0000000000)='0', 0xfffffd2c) syz_open_procfs(0x0, &(0x7f0000000080)='net/dev\x00') r2 = socket$inet6_sctp(0xa, 0x5, 0x84) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r2, 0x84, 0x9, &(0x7f0000000580)={0x0, @in={{0x2, 0x0, @empty}}, 0x0, 0x0, 0x3fc, 0x0, 0x32}, 0x9c) bind$packet(0xffffffffffffffff, &(0x7f0000000140)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @multicast}, 0x14) sendto$inet6(r2, &(0x7f0000847fff)='X', 0x34000, 0x0, &(0x7f000005ffe4)={0xa, 0x0, 0x0, @loopback}, 0x1c) (fail_nth: 30) 18:02:47 executing program 0: syz_open_dev$sndmidi(0x0, 0x2, 0x141101) r0 = dup(0xffffffffffffffff) write$6lowpan_enable(r0, &(0x7f0000000000)='0', 0xfffffd2c) syz_open_procfs(0x0, &(0x7f0000000080)='net/dev\x00') r1 = socket$inet6_sctp(0xa, 0x5, 0x84) sendmsg$nl_route(0xffffffffffffffff, 0x0, 0x0) close_range(0xffffffffffffffff, 0xffffffffffffffff, 0x0) sendto$inet6(r1, &(0x7f0000847fff)='X', 0x34000, 0x8, &(0x7f000005ffe4)={0xa, 0x0, 0x0, @loopback}, 0x1c) 18:02:47 executing program 0: syz_open_dev$sndmidi(0x0, 0x2, 0x141101) r0 = dup(0xffffffffffffffff) write$6lowpan_enable(r0, &(0x7f0000000000)='0', 0xfffffd2c) syz_open_procfs(0x0, &(0x7f0000000080)='net/dev\x00') r1 = socket$inet6_sctp(0xa, 0x5, 0x84) sendmsg$nl_route(0xffffffffffffffff, 0x0, 0x0) close_range(0xffffffffffffffff, 0xffffffffffffffff, 0x0) sendto$inet6(r1, &(0x7f0000847fff)='X', 0x34000, 0x9, &(0x7f000005ffe4)={0xa, 0x0, 0x0, @loopback}, 0x1c) 18:02:47 executing program 0: syz_open_dev$sndmidi(0x0, 0x2, 0x141101) r0 = dup(0xffffffffffffffff) write$6lowpan_enable(r0, &(0x7f0000000000)='0', 0xfffffd2c) syz_open_procfs(0x0, &(0x7f0000000080)='net/dev\x00') r1 = socket$inet6_sctp(0xa, 0x5, 0x84) sendmsg$nl_route(0xffffffffffffffff, 0x0, 0x0) close_range(0xffffffffffffffff, 0xffffffffffffffff, 0x0) sendto$inet6(r1, &(0x7f0000847fff)='X', 0x34000, 0xa, &(0x7f000005ffe4)={0xa, 0x0, 0x0, @loopback}, 0x1c) 18:02:47 executing program 2: prctl$PR_SCHED_CORE(0x3e, 0x1, 0x0, 0x2, 0x0) r0 = syz_open_dev$sndmidi(&(0x7f0000000040), 0x2, 0x141101) r1 = dup(r0) write$6lowpan_enable(r1, 0x0, 0x0) syz_open_procfs(0x0, &(0x7f0000000080)='net/dev\x00') r2 = socket$inet6_sctp(0xa, 0x5, 0x84) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r2, 0x84, 0x9, &(0x7f0000000580)={0x0, @in={{0x2, 0x0, @empty}}, 0x0, 0x0, 0x3fc, 0x0, 0x32}, 0x9c) bind$packet(0xffffffffffffffff, &(0x7f0000000140)={0x11, 0xf0, 0x0, 0x1, 0x0, 0x6, @multicast}, 0x14) sendto$inet6(r2, &(0x7f0000847fff)='X', 0x34000, 0x1f00, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) 18:02:47 executing program 0: syz_open_dev$sndmidi(0x0, 0x2, 0x141101) r0 = dup(0xffffffffffffffff) write$6lowpan_enable(r0, &(0x7f0000000000)='0', 0xfffffd2c) syz_open_procfs(0x0, &(0x7f0000000080)='net/dev\x00') r1 = socket$inet6_sctp(0xa, 0x5, 0x84) sendmsg$nl_route(0xffffffffffffffff, 0x0, 0x0) close_range(0xffffffffffffffff, 0xffffffffffffffff, 0x0) sendto$inet6(r1, &(0x7f0000847fff)='X', 0x34000, 0xe, &(0x7f000005ffe4)={0xa, 0x0, 0x0, @loopback}, 0x1c) 18:02:48 executing program 4: prlimit64(0x0, 0xe, &(0x7f0000000140)={0x8, 0x8b}, 0x0) sched_setscheduler(0x0, 0x2, &(0x7f0000000080)=0x8) r0 = getpid() sched_setscheduler(r0, 0x1, &(0x7f0000001700)=0x4) socketpair$unix(0x1, 0x2, 0x0, &(0x7f0000000200)={0xffffffffffffffff, 0xffffffffffffffff}) recvmmsg(r1, &(0x7f00000000c0), 0x10106, 0x2, 0x0) r3 = openat$loop_ctrl(0xffffff9c, &(0x7f0000000040), 0x0, 0x0) sendmmsg(r2, 0x0, 0x0, 0x0) r4 = getpid() sched_setaffinity(r4, 0x8, &(0x7f0000000000)=0x96f) ioctl$LOOP_CTL_ADD(r3, 0x4c80, 0x0) (fail_nth: 39) ioctl$LOOP_CTL_REMOVE(r3, 0x4c81, 0x0) 18:02:48 executing program 0: syz_open_dev$sndmidi(0x0, 0x2, 0x141101) r0 = dup(0xffffffffffffffff) write$6lowpan_enable(r0, &(0x7f0000000000)='0', 0xfffffd2c) syz_open_procfs(0x0, &(0x7f0000000080)='net/dev\x00') r1 = socket$inet6_sctp(0xa, 0x5, 0x84) sendmsg$nl_route(0xffffffffffffffff, 0x0, 0x0) close_range(0xffffffffffffffff, 0xffffffffffffffff, 0x0) sendto$inet6(r1, &(0x7f0000847fff)='X', 0x34000, 0xf, &(0x7f000005ffe4)={0xa, 0x0, 0x0, @loopback}, 0x1c) 18:02:48 executing program 2: prctl$PR_SCHED_CORE(0x3e, 0x1, 0x0, 0x2, 0x0) r0 = syz_open_dev$sndmidi(&(0x7f0000000040), 0x2, 0x141101) r1 = dup(r0) write$6lowpan_enable(r1, 0x0, 0x0) syz_open_procfs(0x0, &(0x7f0000000080)='net/dev\x00') r2 = socket$inet6_sctp(0xa, 0x5, 0x84) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r2, 0x84, 0x9, &(0x7f0000000580)={0x0, @in={{0x2, 0x0, @empty}}, 0x0, 0x0, 0x3fc, 0x0, 0x32}, 0x9c) bind$packet(0xffffffffffffffff, &(0x7f0000000140)={0x11, 0xf0, 0x0, 0x1, 0x0, 0x6, @multicast}, 0x14) sendto$inet6(r2, &(0x7f0000847fff)='X', 0x34000, 0x80fe, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) 18:02:48 executing program 5: prctl$PR_SCHED_CORE(0x3e, 0x1, 0x0, 0x2, 0x0) r0 = syz_open_dev$sndmidi(&(0x7f0000000040), 0x2, 0x141101) r1 = dup(r0) write$6lowpan_enable(r1, &(0x7f0000000000)='0', 0xfffffd2c) tkill(0x0, 0x0) syz_open_procfs(0x0, 0x0) r2 = socket$inet6_sctp(0xa, 0x5, 0x84) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r2, 0x84, 0x9, &(0x7f0000000580)={0x0, @in={{0x2, 0x0, @empty}}, 0x0, 0x0, 0x3fc, 0x0, 0x32}, 0x9c) bind$packet(0xffffffffffffffff, &(0x7f0000000140)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @multicast}, 0x14) close_range(0xffffffffffffffff, 0xffffffffffffffff, 0x0) sendto$inet6(r2, &(0x7f0000847fff)='X', 0x34000, 0x0, &(0x7f000005ffe4)={0xa, 0x0, 0x0, @loopback}, 0x1c) (fail_nth: 36) 18:02:48 executing program 1: prctl$PR_SCHED_CORE(0x3e, 0x1, 0x0, 0x2, 0x0) r0 = syz_open_dev$sndmidi(&(0x7f0000000040), 0x2, 0x141101) r1 = dup(r0) write$6lowpan_enable(r1, &(0x7f0000000000)='0', 0xfffffd2c) syz_open_procfs(0x0, &(0x7f0000000080)='net/dev\x00') r2 = socket$inet6_sctp(0xa, 0x5, 0x84) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r2, 0x84, 0x9, &(0x7f0000000580)={0x0, @in={{0x2, 0x0, @empty}}, 0x0, 0x0, 0x3fc, 0x0, 0x32}, 0x9c) bind$packet(0xffffffffffffffff, &(0x7f0000000140)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @multicast}, 0x14) sendto$inet6(r2, &(0x7f0000847fff)='X', 0x34000, 0x0, &(0x7f000005ffe4)={0xa, 0x0, 0x0, @loopback}, 0x1c) (fail_nth: 31) 18:02:48 executing program 0: syz_open_dev$sndmidi(0x0, 0x2, 0x141101) r0 = dup(0xffffffffffffffff) write$6lowpan_enable(r0, &(0x7f0000000000)='0', 0xfffffd2c) syz_open_procfs(0x0, &(0x7f0000000080)='net/dev\x00') r1 = socket$inet6_sctp(0xa, 0x5, 0x84) sendmsg$nl_route(0xffffffffffffffff, 0x0, 0x0) close_range(0xffffffffffffffff, 0xffffffffffffffff, 0x0) sendto$inet6(r1, &(0x7f0000847fff)='X', 0x34000, 0x10, &(0x7f000005ffe4)={0xa, 0x0, 0x0, @loopback}, 0x1c) 18:02:48 executing program 2: prctl$PR_SCHED_CORE(0x3e, 0x1, 0x0, 0x2, 0x0) r0 = syz_open_dev$sndmidi(&(0x7f0000000040), 0x2, 0x141101) r1 = dup(r0) write$6lowpan_enable(r1, 0x0, 0x0) syz_open_procfs(0x0, &(0x7f0000000080)='net/dev\x00') r2 = socket$inet6_sctp(0xa, 0x5, 0x84) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r2, 0x84, 0x9, &(0x7f0000000580)={0x0, @in={{0x2, 0x0, @empty}}, 0x0, 0x0, 0x3fc, 0x0, 0x32}, 0x9c) bind$packet(0xffffffffffffffff, &(0x7f0000000140)={0x11, 0xf0, 0x0, 0x1, 0x0, 0x6, @multicast}, 0x14) sendto$inet6(r2, &(0x7f0000847fff)='X', 0x34000, 0xc0fe, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) 18:02:48 executing program 3: r0 = dup(0xffffffffffffffff) write$6lowpan_enable(r0, &(0x7f0000000000)='0', 0xfffffd2c) r1 = socket$inet6_sctp(0xa, 0x5, 0x84) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r1, 0x84, 0x9, &(0x7f0000000580)={0x0, @in={{0x2, 0x0, @empty}}, 0x0, 0x0, 0x3fc, 0x0, 0x32}, 0x9c) bind$packet(0xffffffffffffffff, &(0x7f0000000140)={0x11, 0xf0, 0x0, 0x1, 0x0, 0x6, @multicast}, 0x14) sendto$inet6(r1, &(0x7f0000847fff)='X', 0x34000, 0x300, &(0x7f000005ffe4)={0xa, 0x0, 0x0, @loopback}, 0x1c) 18:02:48 executing program 0: syz_open_dev$sndmidi(0x0, 0x2, 0x141101) r0 = dup(0xffffffffffffffff) write$6lowpan_enable(r0, &(0x7f0000000000)='0', 0xfffffd2c) syz_open_procfs(0x0, &(0x7f0000000080)='net/dev\x00') r1 = socket$inet6_sctp(0xa, 0x5, 0x84) sendmsg$nl_route(0xffffffffffffffff, 0x0, 0x0) close_range(0xffffffffffffffff, 0xffffffffffffffff, 0x0) sendto$inet6(r1, &(0x7f0000847fff)='X', 0x34000, 0xfc, &(0x7f000005ffe4)={0xa, 0x0, 0x0, @loopback}, 0x1c) 18:02:48 executing program 2: prctl$PR_SCHED_CORE(0x3e, 0x1, 0x0, 0x2, 0x0) r0 = syz_open_dev$sndmidi(&(0x7f0000000040), 0x2, 0x141101) r1 = dup(r0) write$6lowpan_enable(r1, 0x0, 0x0) syz_open_procfs(0x0, &(0x7f0000000080)='net/dev\x00') r2 = socket$inet6_sctp(0xa, 0x5, 0x84) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r2, 0x84, 0x9, &(0x7f0000000580)={0x0, @in={{0x2, 0x0, @empty}}, 0x0, 0x0, 0x3fc, 0x0, 0x32}, 0x9c) bind$packet(0xffffffffffffffff, &(0x7f0000000140)={0x11, 0xf0, 0x0, 0x1, 0x0, 0x6, @multicast}, 0x14) sendto$inet6(r2, &(0x7f0000847fff)='X', 0x34000, 0xfc00, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) 18:02:48 executing program 0: syz_open_dev$sndmidi(0x0, 0x2, 0x141101) r0 = dup(0xffffffffffffffff) write$6lowpan_enable(r0, &(0x7f0000000000)='0', 0xfffffd2c) syz_open_procfs(0x0, &(0x7f0000000080)='net/dev\x00') r1 = socket$inet6_sctp(0xa, 0x5, 0x84) sendmsg$nl_route(0xffffffffffffffff, 0x0, 0x0) close_range(0xffffffffffffffff, 0xffffffffffffffff, 0x0) sendto$inet6(r1, &(0x7f0000847fff)='X', 0x34000, 0x12c, &(0x7f000005ffe4)={0xa, 0x0, 0x0, @loopback}, 0x1c) 18:02:48 executing program 0: syz_open_dev$sndmidi(0x0, 0x2, 0x141101) r0 = dup(0xffffffffffffffff) write$6lowpan_enable(r0, &(0x7f0000000000)='0', 0xfffffd2c) syz_open_procfs(0x0, &(0x7f0000000080)='net/dev\x00') r1 = socket$inet6_sctp(0xa, 0x5, 0x84) sendmsg$nl_route(0xffffffffffffffff, 0x0, 0x0) close_range(0xffffffffffffffff, 0xffffffffffffffff, 0x0) sendto$inet6(r1, &(0x7f0000847fff)='X', 0x34000, 0x1f4, &(0x7f000005ffe4)={0xa, 0x0, 0x0, @loopback}, 0x1c) 18:02:49 executing program 4: prlimit64(0x0, 0xe, &(0x7f0000000140)={0x8, 0x8b}, 0x0) sched_setscheduler(0x0, 0x2, &(0x7f0000000080)=0x8) r0 = getpid() sched_setscheduler(r0, 0x1, &(0x7f0000001700)=0x4) socketpair$unix(0x1, 0x2, 0x0, &(0x7f0000000200)={0xffffffffffffffff, 0xffffffffffffffff}) recvmmsg(r1, &(0x7f00000000c0), 0x10106, 0x2, 0x0) r3 = openat$loop_ctrl(0xffffff9c, &(0x7f0000000040), 0x0, 0x0) sendmmsg(r2, 0x0, 0x0, 0x0) r4 = getpid() sched_setaffinity(r4, 0x8, &(0x7f0000000000)=0x96f) ioctl$LOOP_CTL_ADD(r3, 0x4c80, 0x0) (fail_nth: 40) ioctl$LOOP_CTL_REMOVE(r3, 0x4c81, 0x0) 18:02:49 executing program 0: syz_open_dev$sndmidi(0x0, 0x2, 0x141101) r0 = dup(0xffffffffffffffff) write$6lowpan_enable(r0, &(0x7f0000000000)='0', 0xfffffd2c) syz_open_procfs(0x0, &(0x7f0000000080)='net/dev\x00') r1 = socket$inet6_sctp(0xa, 0x5, 0x84) sendmsg$nl_route(0xffffffffffffffff, 0x0, 0x0) close_range(0xffffffffffffffff, 0xffffffffffffffff, 0x0) sendto$inet6(r1, &(0x7f0000847fff)='X', 0x34000, 0x300, &(0x7f000005ffe4)={0xa, 0x0, 0x0, @loopback}, 0x1c) 18:02:49 executing program 2: prctl$PR_SCHED_CORE(0x3e, 0x1, 0x0, 0x2, 0x0) r0 = syz_open_dev$sndmidi(&(0x7f0000000040), 0x2, 0x141101) r1 = dup(r0) write$6lowpan_enable(r1, 0x0, 0x0) syz_open_procfs(0x0, &(0x7f0000000080)='net/dev\x00') r2 = socket$inet6_sctp(0xa, 0x5, 0x84) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r2, 0x84, 0x9, &(0x7f0000000580)={0x0, @in={{0x2, 0x0, @empty}}, 0x0, 0x0, 0x3fc, 0x0, 0x32}, 0x9c) bind$packet(0xffffffffffffffff, &(0x7f0000000140)={0x11, 0xf0, 0x0, 0x1, 0x0, 0x6, @multicast}, 0x14) sendto$inet6(r2, &(0x7f0000847fff)='X', 0x34000, 0xfe80, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) 18:02:49 executing program 5: prctl$PR_SCHED_CORE(0x3e, 0x1, 0x0, 0x2, 0x0) r0 = syz_open_dev$sndmidi(&(0x7f0000000040), 0x2, 0x141101) r1 = dup(r0) write$6lowpan_enable(r1, &(0x7f0000000000)='0', 0xfffffd2c) tkill(0x0, 0x0) syz_open_procfs(0x0, 0x0) r2 = socket$inet6_sctp(0xa, 0x5, 0x84) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r2, 0x84, 0x9, &(0x7f0000000580)={0x0, @in={{0x2, 0x0, @empty}}, 0x0, 0x0, 0x3fc, 0x0, 0x32}, 0x9c) bind$packet(0xffffffffffffffff, &(0x7f0000000140)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @multicast}, 0x14) close_range(0xffffffffffffffff, 0xffffffffffffffff, 0x0) sendto$inet6(r2, &(0x7f0000847fff)='X', 0x34000, 0x0, &(0x7f000005ffe4)={0xa, 0x0, 0x0, @loopback}, 0x1c) (fail_nth: 37) 18:02:49 executing program 1: prctl$PR_SCHED_CORE(0x3e, 0x1, 0x0, 0x2, 0x0) r0 = syz_open_dev$sndmidi(&(0x7f0000000040), 0x2, 0x141101) r1 = dup(r0) write$6lowpan_enable(r1, &(0x7f0000000000)='0', 0xfffffd2c) syz_open_procfs(0x0, &(0x7f0000000080)='net/dev\x00') r2 = socket$inet6_sctp(0xa, 0x5, 0x84) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r2, 0x84, 0x9, &(0x7f0000000580)={0x0, @in={{0x2, 0x0, @empty}}, 0x0, 0x0, 0x3fc, 0x0, 0x32}, 0x9c) bind$packet(0xffffffffffffffff, &(0x7f0000000140)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @multicast}, 0x14) sendto$inet6(r2, &(0x7f0000847fff)='X', 0x34000, 0x0, &(0x7f000005ffe4)={0xa, 0x0, 0x0, @loopback}, 0x1c) (fail_nth: 32) 18:02:49 executing program 0: syz_open_dev$sndmidi(0x0, 0x2, 0x141101) r0 = dup(0xffffffffffffffff) write$6lowpan_enable(r0, &(0x7f0000000000)='0', 0xfffffd2c) syz_open_procfs(0x0, &(0x7f0000000080)='net/dev\x00') r1 = socket$inet6_sctp(0xa, 0x5, 0x84) sendmsg$nl_route(0xffffffffffffffff, 0x0, 0x0) close_range(0xffffffffffffffff, 0xffffffffffffffff, 0x0) sendto$inet6(r1, &(0x7f0000847fff)='X', 0x34000, 0x3e8, &(0x7f000005ffe4)={0xa, 0x0, 0x0, @loopback}, 0x1c) 18:02:49 executing program 0: syz_open_dev$sndmidi(0x0, 0x2, 0x141101) r0 = dup(0xffffffffffffffff) write$6lowpan_enable(r0, &(0x7f0000000000)='0', 0xfffffd2c) syz_open_procfs(0x0, &(0x7f0000000080)='net/dev\x00') r1 = socket$inet6_sctp(0xa, 0x5, 0x84) sendmsg$nl_route(0xffffffffffffffff, 0x0, 0x0) close_range(0xffffffffffffffff, 0xffffffffffffffff, 0x0) sendto$inet6(r1, &(0x7f0000847fff)='X', 0x34000, 0x500, &(0x7f000005ffe4)={0xa, 0x0, 0x0, @loopback}, 0x1c) 18:02:49 executing program 3: r0 = dup(0xffffffffffffffff) write$6lowpan_enable(r0, &(0x7f0000000000)='0', 0xfffffd2c) r1 = socket$inet6_sctp(0xa, 0x5, 0x84) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r1, 0x84, 0x9, &(0x7f0000000580)={0x0, @in={{0x2, 0x0, @empty}}, 0x0, 0x0, 0x3fc, 0x0, 0x32}, 0x9c) bind$packet(0xffffffffffffffff, &(0x7f0000000140)={0x11, 0xf0, 0x0, 0x1, 0x0, 0x6, @multicast}, 0x14) sendto$inet6(r1, &(0x7f0000847fff)='X', 0x34000, 0x3e8, &(0x7f000005ffe4)={0xa, 0x0, 0x0, @loopback}, 0x1c) 18:02:49 executing program 2: prctl$PR_SCHED_CORE(0x3e, 0x1, 0x0, 0x2, 0x0) r0 = syz_open_dev$sndmidi(&(0x7f0000000040), 0x2, 0x141101) r1 = dup(r0) write$6lowpan_enable(r1, 0x0, 0x0) syz_open_procfs(0x0, &(0x7f0000000080)='net/dev\x00') r2 = socket$inet6_sctp(0xa, 0x5, 0x84) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r2, 0x84, 0x9, &(0x7f0000000580)={0x0, @in={{0x2, 0x0, @empty}}, 0x0, 0x0, 0x3fc, 0x0, 0x32}, 0x9c) bind$packet(0xffffffffffffffff, &(0x7f0000000140)={0x11, 0xf0, 0x0, 0x1, 0x0, 0x6, @multicast}, 0x14) sendto$inet6(r2, &(0x7f0000847fff)='X', 0x34000, 0xfec0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) 18:02:49 executing program 0: syz_open_dev$sndmidi(0x0, 0x2, 0x141101) r0 = dup(0xffffffffffffffff) write$6lowpan_enable(r0, &(0x7f0000000000)='0', 0xfffffd2c) syz_open_procfs(0x0, &(0x7f0000000080)='net/dev\x00') r1 = socket$inet6_sctp(0xa, 0x5, 0x84) sendmsg$nl_route(0xffffffffffffffff, 0x0, 0x0) close_range(0xffffffffffffffff, 0xffffffffffffffff, 0x0) sendto$inet6(r1, &(0x7f0000847fff)='X', 0x34000, 0x600, &(0x7f000005ffe4)={0xa, 0x0, 0x0, @loopback}, 0x1c) 18:02:49 executing program 0: syz_open_dev$sndmidi(0x0, 0x2, 0x141101) r0 = dup(0xffffffffffffffff) write$6lowpan_enable(r0, &(0x7f0000000000)='0', 0xfffffd2c) syz_open_procfs(0x0, &(0x7f0000000080)='net/dev\x00') r1 = socket$inet6_sctp(0xa, 0x5, 0x84) sendmsg$nl_route(0xffffffffffffffff, 0x0, 0x0) close_range(0xffffffffffffffff, 0xffffffffffffffff, 0x0) sendto$inet6(r1, &(0x7f0000847fff)='X', 0x34000, 0x700, &(0x7f000005ffe4)={0xa, 0x0, 0x0, @loopback}, 0x1c) 18:02:49 executing program 2: prctl$PR_SCHED_CORE(0x3e, 0x1, 0x0, 0x2, 0x0) r0 = syz_open_dev$sndmidi(&(0x7f0000000040), 0x2, 0x141101) r1 = dup(r0) write$6lowpan_enable(r1, 0x0, 0x0) syz_open_procfs(0x0, &(0x7f0000000080)='net/dev\x00') r2 = socket$inet6_sctp(0xa, 0x5, 0x84) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r2, 0x84, 0x9, &(0x7f0000000580)={0x0, @in={{0x2, 0x0, @empty}}, 0x0, 0x0, 0x3fc, 0x0, 0x32}, 0x9c) bind$packet(0xffffffffffffffff, &(0x7f0000000140)={0x11, 0xf0, 0x0, 0x1, 0x0, 0x6, @multicast}, 0x14) sendto$inet6(r2, &(0x7f0000847fff)='X', 0x34000, 0xff00, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) 18:02:50 executing program 4: prlimit64(0x0, 0xe, &(0x7f0000000140)={0x8, 0x8b}, 0x0) sched_setscheduler(0x0, 0x2, &(0x7f0000000080)=0x8) r0 = getpid() sched_setscheduler(r0, 0x1, &(0x7f0000001700)=0x4) socketpair$unix(0x1, 0x2, 0x0, &(0x7f0000000200)={0xffffffffffffffff, 0xffffffffffffffff}) recvmmsg(r1, &(0x7f00000000c0), 0x10106, 0x2, 0x0) r3 = openat$loop_ctrl(0xffffff9c, &(0x7f0000000040), 0x0, 0x0) sendmmsg(r2, 0x0, 0x0, 0x0) r4 = getpid() sched_setaffinity(r4, 0x8, &(0x7f0000000000)=0x96f) ioctl$LOOP_CTL_ADD(r3, 0x4c80, 0x0) (fail_nth: 41) ioctl$LOOP_CTL_REMOVE(r3, 0x4c81, 0x0) 18:02:50 executing program 3: r0 = dup(0xffffffffffffffff) write$6lowpan_enable(r0, &(0x7f0000000000)='0', 0xfffffd2c) r1 = socket$inet6_sctp(0xa, 0x5, 0x84) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r1, 0x84, 0x9, &(0x7f0000000580)={0x0, @in={{0x2, 0x0, @empty}}, 0x0, 0x0, 0x3fc, 0x0, 0x32}, 0x9c) bind$packet(0xffffffffffffffff, &(0x7f0000000140)={0x11, 0xf0, 0x0, 0x1, 0x0, 0x6, @multicast}, 0x14) sendto$inet6(r1, &(0x7f0000847fff)='X', 0x34000, 0x500, &(0x7f000005ffe4)={0xa, 0x0, 0x0, @loopback}, 0x1c) 18:02:50 executing program 0: syz_open_dev$sndmidi(0x0, 0x2, 0x141101) r0 = dup(0xffffffffffffffff) write$6lowpan_enable(r0, &(0x7f0000000000)='0', 0xfffffd2c) syz_open_procfs(0x0, &(0x7f0000000080)='net/dev\x00') r1 = socket$inet6_sctp(0xa, 0x5, 0x84) sendmsg$nl_route(0xffffffffffffffff, 0x0, 0x0) close_range(0xffffffffffffffff, 0xffffffffffffffff, 0x0) sendto$inet6(r1, &(0x7f0000847fff)='X', 0x34000, 0x900, &(0x7f000005ffe4)={0xa, 0x0, 0x0, @loopback}, 0x1c) 18:02:50 executing program 2: prctl$PR_SCHED_CORE(0x3e, 0x1, 0x0, 0x2, 0x0) r0 = syz_open_dev$sndmidi(&(0x7f0000000040), 0x2, 0x141101) r1 = dup(r0) write$6lowpan_enable(r1, 0x0, 0x0) syz_open_procfs(0x0, &(0x7f0000000080)='net/dev\x00') r2 = socket$inet6_sctp(0xa, 0x5, 0x84) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r2, 0x84, 0x9, &(0x7f0000000580)={0x0, @in={{0x2, 0x0, @empty}}, 0x0, 0x0, 0x3fc, 0x0, 0x32}, 0x9c) bind$packet(0xffffffffffffffff, &(0x7f0000000140)={0x11, 0xf0, 0x0, 0x1, 0x0, 0x6, @multicast}, 0x14) sendto$inet6(r2, &(0x7f0000847fff)='X', 0x34000, 0x1000000, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) 18:02:50 executing program 1: prctl$PR_SCHED_CORE(0x3e, 0x1, 0x0, 0x2, 0x0) r0 = syz_open_dev$sndmidi(&(0x7f0000000040), 0x2, 0x141101) r1 = dup(r0) write$6lowpan_enable(r1, &(0x7f0000000000)='0', 0xfffffd2c) syz_open_procfs(0x0, &(0x7f0000000080)='net/dev\x00') r2 = socket$inet6_sctp(0xa, 0x5, 0x84) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r2, 0x84, 0x9, &(0x7f0000000580)={0x0, @in={{0x2, 0x0, @empty}}, 0x0, 0x0, 0x3fc, 0x0, 0x32}, 0x9c) bind$packet(0xffffffffffffffff, &(0x7f0000000140)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @multicast}, 0x14) sendto$inet6(r2, &(0x7f0000847fff)='X', 0x34000, 0x0, &(0x7f000005ffe4)={0xa, 0x0, 0x0, @loopback}, 0x1c) (fail_nth: 33) 18:02:50 executing program 5: prctl$PR_SCHED_CORE(0x3e, 0x1, 0x0, 0x2, 0x0) r0 = syz_open_dev$sndmidi(&(0x7f0000000040), 0x2, 0x141101) r1 = dup(r0) write$6lowpan_enable(r1, &(0x7f0000000000)='0', 0xfffffd2c) tkill(0x0, 0x0) syz_open_procfs(0x0, 0x0) r2 = socket$inet6_sctp(0xa, 0x5, 0x84) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r2, 0x84, 0x9, &(0x7f0000000580)={0x0, @in={{0x2, 0x0, @empty}}, 0x0, 0x0, 0x3fc, 0x0, 0x32}, 0x9c) bind$packet(0xffffffffffffffff, &(0x7f0000000140)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @multicast}, 0x14) close_range(0xffffffffffffffff, 0xffffffffffffffff, 0x0) sendto$inet6(r2, &(0x7f0000847fff)='X', 0x34000, 0x0, &(0x7f000005ffe4)={0xa, 0x0, 0x0, @loopback}, 0x1c) (fail_nth: 38) 18:02:50 executing program 0: syz_open_dev$sndmidi(0x0, 0x2, 0x141101) r0 = dup(0xffffffffffffffff) write$6lowpan_enable(r0, &(0x7f0000000000)='0', 0xfffffd2c) syz_open_procfs(0x0, &(0x7f0000000080)='net/dev\x00') r1 = socket$inet6_sctp(0xa, 0x5, 0x84) sendmsg$nl_route(0xffffffffffffffff, 0x0, 0x0) close_range(0xffffffffffffffff, 0xffffffffffffffff, 0x0) sendto$inet6(r1, &(0x7f0000847fff)='X', 0x34000, 0x99c, &(0x7f000005ffe4)={0xa, 0x0, 0x0, @loopback}, 0x1c) 18:02:50 executing program 2: prctl$PR_SCHED_CORE(0x3e, 0x1, 0x0, 0x2, 0x0) r0 = syz_open_dev$sndmidi(&(0x7f0000000040), 0x2, 0x141101) r1 = dup(r0) write$6lowpan_enable(r1, 0x0, 0x0) syz_open_procfs(0x0, &(0x7f0000000080)='net/dev\x00') r2 = socket$inet6_sctp(0xa, 0x5, 0x84) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r2, 0x84, 0x9, &(0x7f0000000580)={0x0, @in={{0x2, 0x0, @empty}}, 0x0, 0x0, 0x3fc, 0x0, 0x32}, 0x9c) bind$packet(0xffffffffffffffff, &(0x7f0000000140)={0x11, 0xf0, 0x0, 0x1, 0x0, 0x6, @multicast}, 0x14) sendto$inet6(r2, &(0x7f0000847fff)='X', 0x34000, 0x2000000, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) 18:02:50 executing program 0: syz_open_dev$sndmidi(0x0, 0x2, 0x141101) r0 = dup(0xffffffffffffffff) write$6lowpan_enable(r0, &(0x7f0000000000)='0', 0xfffffd2c) syz_open_procfs(0x0, &(0x7f0000000080)='net/dev\x00') r1 = socket$inet6_sctp(0xa, 0x5, 0x84) sendmsg$nl_route(0xffffffffffffffff, 0x0, 0x0) close_range(0xffffffffffffffff, 0xffffffffffffffff, 0x0) sendto$inet6(r1, &(0x7f0000847fff)='X', 0x34000, 0xa00, &(0x7f000005ffe4)={0xa, 0x0, 0x0, @loopback}, 0x1c) [ 820.406987][T13073] kobject_add_internal failed for loop0 (error: -12 parent: block) 18:02:50 executing program 2: prctl$PR_SCHED_CORE(0x3e, 0x1, 0x0, 0x2, 0x0) r0 = syz_open_dev$sndmidi(&(0x7f0000000040), 0x2, 0x141101) r1 = dup(r0) write$6lowpan_enable(r1, 0x0, 0x0) syz_open_procfs(0x0, &(0x7f0000000080)='net/dev\x00') r2 = socket$inet6_sctp(0xa, 0x5, 0x84) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r2, 0x84, 0x9, &(0x7f0000000580)={0x0, @in={{0x2, 0x0, @empty}}, 0x0, 0x0, 0x3fc, 0x0, 0x32}, 0x9c) bind$packet(0xffffffffffffffff, &(0x7f0000000140)={0x11, 0xf0, 0x0, 0x1, 0x0, 0x6, @multicast}, 0x14) sendto$inet6(r2, &(0x7f0000847fff)='X', 0x34000, 0x3000000, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) 18:02:50 executing program 0: syz_open_dev$sndmidi(0x0, 0x2, 0x141101) r0 = dup(0xffffffffffffffff) write$6lowpan_enable(r0, &(0x7f0000000000)='0', 0xfffffd2c) syz_open_procfs(0x0, &(0x7f0000000080)='net/dev\x00') r1 = socket$inet6_sctp(0xa, 0x5, 0x84) sendmsg$nl_route(0xffffffffffffffff, 0x0, 0x0) close_range(0xffffffffffffffff, 0xffffffffffffffff, 0x0) sendto$inet6(r1, &(0x7f0000847fff)='X', 0x34000, 0xe00, &(0x7f000005ffe4)={0xa, 0x0, 0x0, @loopback}, 0x1c) 18:02:50 executing program 0: syz_open_dev$sndmidi(0x0, 0x2, 0x141101) r0 = dup(0xffffffffffffffff) write$6lowpan_enable(r0, &(0x7f0000000000)='0', 0xfffffd2c) syz_open_procfs(0x0, &(0x7f0000000080)='net/dev\x00') r1 = socket$inet6_sctp(0xa, 0x5, 0x84) sendmsg$nl_route(0xffffffffffffffff, 0x0, 0x0) close_range(0xffffffffffffffff, 0xffffffffffffffff, 0x0) sendto$inet6(r1, &(0x7f0000847fff)='X', 0x34000, 0xf00, &(0x7f000005ffe4)={0xa, 0x0, 0x0, @loopback}, 0x1c) 18:02:51 executing program 4: prlimit64(0x0, 0xe, &(0x7f0000000140)={0x8, 0x8b}, 0x0) sched_setscheduler(0x0, 0x2, &(0x7f0000000080)=0x8) r0 = getpid() sched_setscheduler(r0, 0x1, &(0x7f0000001700)=0x4) socketpair$unix(0x1, 0x2, 0x0, &(0x7f0000000200)={0xffffffffffffffff, 0xffffffffffffffff}) recvmmsg(r1, &(0x7f00000000c0), 0x10106, 0x2, 0x0) r3 = openat$loop_ctrl(0xffffff9c, &(0x7f0000000040), 0x0, 0x0) sendmmsg(r2, 0x0, 0x0, 0x0) r4 = getpid() sched_setaffinity(r4, 0x8, &(0x7f0000000000)=0x96f) ioctl$LOOP_CTL_ADD(r3, 0x4c80, 0x0) (fail_nth: 42) ioctl$LOOP_CTL_REMOVE(r3, 0x4c81, 0x0) 18:02:51 executing program 2: prctl$PR_SCHED_CORE(0x3e, 0x1, 0x0, 0x2, 0x0) r0 = syz_open_dev$sndmidi(&(0x7f0000000040), 0x2, 0x141101) r1 = dup(r0) write$6lowpan_enable(r1, 0x0, 0x0) syz_open_procfs(0x0, &(0x7f0000000080)='net/dev\x00') r2 = socket$inet6_sctp(0xa, 0x5, 0x84) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r2, 0x84, 0x9, &(0x7f0000000580)={0x0, @in={{0x2, 0x0, @empty}}, 0x0, 0x0, 0x3fc, 0x0, 0x32}, 0x9c) bind$packet(0xffffffffffffffff, &(0x7f0000000140)={0x11, 0xf0, 0x0, 0x1, 0x0, 0x6, @multicast}, 0x14) sendto$inet6(r2, &(0x7f0000847fff)='X', 0x34000, 0x4000000, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) 18:02:51 executing program 0: syz_open_dev$sndmidi(0x0, 0x2, 0x141101) r0 = dup(0xffffffffffffffff) write$6lowpan_enable(r0, &(0x7f0000000000)='0', 0xfffffd2c) syz_open_procfs(0x0, &(0x7f0000000080)='net/dev\x00') r1 = socket$inet6_sctp(0xa, 0x5, 0x84) sendmsg$nl_route(0xffffffffffffffff, 0x0, 0x0) close_range(0xffffffffffffffff, 0xffffffffffffffff, 0x0) sendto$inet6(r1, &(0x7f0000847fff)='X', 0x34000, 0x1f00, &(0x7f000005ffe4)={0xa, 0x0, 0x0, @loopback}, 0x1c) 18:02:51 executing program 5: prctl$PR_SCHED_CORE(0x3e, 0x1, 0x0, 0x2, 0x0) r0 = syz_open_dev$sndmidi(&(0x7f0000000040), 0x2, 0x141101) r1 = dup(r0) write$6lowpan_enable(r1, &(0x7f0000000000)='0', 0xfffffd2c) tkill(0x0, 0x0) syz_open_procfs(0x0, 0x0) r2 = socket$inet6_sctp(0xa, 0x5, 0x84) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r2, 0x84, 0x9, &(0x7f0000000580)={0x0, @in={{0x2, 0x0, @empty}}, 0x0, 0x0, 0x3fc, 0x0, 0x32}, 0x9c) bind$packet(0xffffffffffffffff, &(0x7f0000000140)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @multicast}, 0x14) close_range(0xffffffffffffffff, 0xffffffffffffffff, 0x0) sendto$inet6(r2, &(0x7f0000847fff)='X', 0x34000, 0x0, &(0x7f000005ffe4)={0xa, 0x0, 0x0, @loopback}, 0x1c) (fail_nth: 39) 18:02:51 executing program 1: prctl$PR_SCHED_CORE(0x3e, 0x1, 0x0, 0x2, 0x0) r0 = syz_open_dev$sndmidi(&(0x7f0000000040), 0x2, 0x141101) r1 = dup(r0) write$6lowpan_enable(r1, &(0x7f0000000000)='0', 0xfffffd2c) syz_open_procfs(0x0, &(0x7f0000000080)='net/dev\x00') r2 = socket$inet6_sctp(0xa, 0x5, 0x84) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r2, 0x84, 0x9, &(0x7f0000000580)={0x0, @in={{0x2, 0x0, @empty}}, 0x0, 0x0, 0x3fc, 0x0, 0x32}, 0x9c) bind$packet(0xffffffffffffffff, &(0x7f0000000140)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @multicast}, 0x14) sendto$inet6(r2, &(0x7f0000847fff)='X', 0x34000, 0x0, &(0x7f000005ffe4)={0xa, 0x0, 0x0, @loopback}, 0x1c) (fail_nth: 34) 18:02:51 executing program 3: r0 = dup(0xffffffffffffffff) write$6lowpan_enable(r0, &(0x7f0000000000)='0', 0xfffffd2c) r1 = socket$inet6_sctp(0xa, 0x5, 0x84) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r1, 0x84, 0x9, &(0x7f0000000580)={0x0, @in={{0x2, 0x0, @empty}}, 0x0, 0x0, 0x3fc, 0x0, 0x32}, 0x9c) bind$packet(0xffffffffffffffff, &(0x7f0000000140)={0x11, 0xf0, 0x0, 0x1, 0x0, 0x6, @multicast}, 0x14) sendto$inet6(r1, &(0x7f0000847fff)='X', 0x34000, 0x600, &(0x7f000005ffe4)={0xa, 0x0, 0x0, @loopback}, 0x1c) 18:02:51 executing program 0: syz_open_dev$sndmidi(0x0, 0x2, 0x141101) r0 = dup(0xffffffffffffffff) write$6lowpan_enable(r0, &(0x7f0000000000)='0', 0xfffffd2c) syz_open_procfs(0x0, &(0x7f0000000080)='net/dev\x00') r1 = socket$inet6_sctp(0xa, 0x5, 0x84) sendmsg$nl_route(0xffffffffffffffff, 0x0, 0x0) close_range(0xffffffffffffffff, 0xffffffffffffffff, 0x0) sendto$inet6(r1, &(0x7f0000847fff)='X', 0x34000, 0x2000, &(0x7f000005ffe4)={0xa, 0x0, 0x0, @loopback}, 0x1c) 18:02:51 executing program 2: prctl$PR_SCHED_CORE(0x3e, 0x1, 0x0, 0x2, 0x0) r0 = syz_open_dev$sndmidi(&(0x7f0000000040), 0x2, 0x141101) r1 = dup(r0) write$6lowpan_enable(r1, 0x0, 0x0) syz_open_procfs(0x0, &(0x7f0000000080)='net/dev\x00') r2 = socket$inet6_sctp(0xa, 0x5, 0x84) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r2, 0x84, 0x9, &(0x7f0000000580)={0x0, @in={{0x2, 0x0, @empty}}, 0x0, 0x0, 0x3fc, 0x0, 0x32}, 0x9c) bind$packet(0xffffffffffffffff, &(0x7f0000000140)={0x11, 0xf0, 0x0, 0x1, 0x0, 0x6, @multicast}, 0x14) sendto$inet6(r2, &(0x7f0000847fff)='X', 0x34000, 0x7000000, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) [ 821.264016][T13097] kobject_add_internal failed for loop0 (error: -12 parent: block) 18:02:51 executing program 0: syz_open_dev$sndmidi(0x0, 0x2, 0x141101) r0 = dup(0xffffffffffffffff) write$6lowpan_enable(r0, &(0x7f0000000000)='0', 0xfffffd2c) syz_open_procfs(0x0, &(0x7f0000000080)='net/dev\x00') r1 = socket$inet6_sctp(0xa, 0x5, 0x84) sendmsg$nl_route(0xffffffffffffffff, 0x0, 0x0) close_range(0xffffffffffffffff, 0xffffffffffffffff, 0x0) sendto$inet6(r1, &(0x7f0000847fff)='X', 0x34000, 0x2c01, &(0x7f000005ffe4)={0xa, 0x0, 0x0, @loopback}, 0x1c) 18:02:51 executing program 0: syz_open_dev$sndmidi(0x0, 0x2, 0x141101) r0 = dup(0xffffffffffffffff) write$6lowpan_enable(r0, &(0x7f0000000000)='0', 0xfffffd2c) syz_open_procfs(0x0, &(0x7f0000000080)='net/dev\x00') r1 = socket$inet6_sctp(0xa, 0x5, 0x84) sendmsg$nl_route(0xffffffffffffffff, 0x0, 0x0) close_range(0xffffffffffffffff, 0xffffffffffffffff, 0x0) sendto$inet6(r1, &(0x7f0000847fff)='X', 0x34000, 0x3f00, &(0x7f000005ffe4)={0xa, 0x0, 0x0, @loopback}, 0x1c) 18:02:51 executing program 2: prctl$PR_SCHED_CORE(0x3e, 0x1, 0x0, 0x2, 0x0) r0 = syz_open_dev$sndmidi(&(0x7f0000000040), 0x2, 0x141101) r1 = dup(r0) write$6lowpan_enable(r1, 0x0, 0x0) syz_open_procfs(0x0, &(0x7f0000000080)='net/dev\x00') r2 = socket$inet6_sctp(0xa, 0x5, 0x84) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r2, 0x84, 0x9, &(0x7f0000000580)={0x0, @in={{0x2, 0x0, @empty}}, 0x0, 0x0, 0x3fc, 0x0, 0x32}, 0x9c) bind$packet(0xffffffffffffffff, &(0x7f0000000140)={0x11, 0xf0, 0x0, 0x1, 0x0, 0x6, @multicast}, 0x14) sendto$inet6(r2, &(0x7f0000847fff)='X', 0x34000, 0xa000000, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) 18:02:51 executing program 0: syz_open_dev$sndmidi(0x0, 0x2, 0x141101) r0 = dup(0xffffffffffffffff) write$6lowpan_enable(r0, &(0x7f0000000000)='0', 0xfffffd2c) syz_open_procfs(0x0, &(0x7f0000000080)='net/dev\x00') r1 = socket$inet6_sctp(0xa, 0x5, 0x84) sendmsg$nl_route(0xffffffffffffffff, 0x0, 0x0) close_range(0xffffffffffffffff, 0xffffffffffffffff, 0x0) sendto$inet6(r1, &(0x7f0000847fff)='X', 0x34000, 0x4000, &(0x7f000005ffe4)={0xa, 0x0, 0x0, @loopback}, 0x1c) 18:02:51 executing program 4: prlimit64(0x0, 0xe, &(0x7f0000000140)={0x8, 0x8b}, 0x0) sched_setscheduler(0x0, 0x2, &(0x7f0000000080)=0x8) r0 = getpid() sched_setscheduler(r0, 0x1, &(0x7f0000001700)=0x4) socketpair$unix(0x1, 0x2, 0x0, &(0x7f0000000200)={0xffffffffffffffff, 0xffffffffffffffff}) recvmmsg(r1, &(0x7f00000000c0), 0x10106, 0x2, 0x0) r3 = openat$loop_ctrl(0xffffff9c, &(0x7f0000000040), 0x0, 0x0) sendmmsg(r2, 0x0, 0x0, 0x0) r4 = getpid() sched_setaffinity(r4, 0x8, &(0x7f0000000000)=0x96f) ioctl$LOOP_CTL_ADD(r3, 0x4c80, 0x0) (fail_nth: 43) ioctl$LOOP_CTL_REMOVE(r3, 0x4c81, 0x0) 18:02:51 executing program 2: prctl$PR_SCHED_CORE(0x3e, 0x1, 0x0, 0x2, 0x0) r0 = syz_open_dev$sndmidi(&(0x7f0000000040), 0x2, 0x141101) r1 = dup(r0) write$6lowpan_enable(r1, 0x0, 0x0) syz_open_procfs(0x0, &(0x7f0000000080)='net/dev\x00') r2 = socket$inet6_sctp(0xa, 0x5, 0x84) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r2, 0x84, 0x9, &(0x7f0000000580)={0x0, @in={{0x2, 0x0, @empty}}, 0x0, 0x0, 0x3fc, 0x0, 0x32}, 0x9c) bind$packet(0xffffffffffffffff, &(0x7f0000000140)={0x11, 0xf0, 0x0, 0x1, 0x0, 0x6, @multicast}, 0x14) sendto$inet6(r2, &(0x7f0000847fff)='X', 0x34000, 0xf000000, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) 18:02:51 executing program 0: syz_open_dev$sndmidi(0x0, 0x2, 0x141101) r0 = dup(0xffffffffffffffff) write$6lowpan_enable(r0, &(0x7f0000000000)='0', 0xfffffd2c) syz_open_procfs(0x0, &(0x7f0000000080)='net/dev\x00') r1 = socket$inet6_sctp(0xa, 0x5, 0x84) sendmsg$nl_route(0xffffffffffffffff, 0x0, 0x0) close_range(0xffffffffffffffff, 0xffffffffffffffff, 0x0) sendto$inet6(r1, &(0x7f0000847fff)='X', 0x34000, 0x80fe, &(0x7f000005ffe4)={0xa, 0x0, 0x0, @loopback}, 0x1c) 18:02:51 executing program 1: prctl$PR_SCHED_CORE(0x3e, 0x1, 0x0, 0x2, 0x0) r0 = syz_open_dev$sndmidi(&(0x7f0000000040), 0x2, 0x141101) r1 = dup(r0) write$6lowpan_enable(r1, &(0x7f0000000000)='0', 0xfffffd2c) syz_open_procfs(0x0, &(0x7f0000000080)='net/dev\x00') r2 = socket$inet6_sctp(0xa, 0x5, 0x84) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r2, 0x84, 0x9, &(0x7f0000000580)={0x0, @in={{0x2, 0x0, @empty}}, 0x0, 0x0, 0x3fc, 0x0, 0x32}, 0x9c) bind$packet(0xffffffffffffffff, &(0x7f0000000140)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @multicast}, 0x14) sendto$inet6(r2, &(0x7f0000847fff)='X', 0x34000, 0x0, &(0x7f000005ffe4)={0xa, 0x0, 0x0, @loopback}, 0x1c) (fail_nth: 35) 18:02:51 executing program 5: prctl$PR_SCHED_CORE(0x3e, 0x1, 0x0, 0x2, 0x0) r0 = syz_open_dev$sndmidi(&(0x7f0000000040), 0x2, 0x141101) r1 = dup(r0) write$6lowpan_enable(r1, &(0x7f0000000000)='0', 0xfffffd2c) tkill(0x0, 0x0) syz_open_procfs(0x0, 0x0) r2 = socket$inet6_sctp(0xa, 0x5, 0x84) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r2, 0x84, 0x9, &(0x7f0000000580)={0x0, @in={{0x2, 0x0, @empty}}, 0x0, 0x0, 0x3fc, 0x0, 0x32}, 0x9c) bind$packet(0xffffffffffffffff, &(0x7f0000000140)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @multicast}, 0x14) close_range(0xffffffffffffffff, 0xffffffffffffffff, 0x0) sendto$inet6(r2, &(0x7f0000847fff)='X', 0x34000, 0x0, &(0x7f000005ffe4)={0xa, 0x0, 0x0, @loopback}, 0x1c) (fail_nth: 40) 18:02:52 executing program 3: r0 = dup(0xffffffffffffffff) write$6lowpan_enable(r0, &(0x7f0000000000)='0', 0xfffffd2c) r1 = socket$inet6_sctp(0xa, 0x5, 0x84) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r1, 0x84, 0x9, &(0x7f0000000580)={0x0, @in={{0x2, 0x0, @empty}}, 0x0, 0x0, 0x3fc, 0x0, 0x32}, 0x9c) bind$packet(0xffffffffffffffff, &(0x7f0000000140)={0x11, 0xf0, 0x0, 0x1, 0x0, 0x6, @multicast}, 0x14) sendto$inet6(r1, &(0x7f0000847fff)='X', 0x34000, 0x700, &(0x7f000005ffe4)={0xa, 0x0, 0x0, @loopback}, 0x1c) 18:02:52 executing program 0: syz_open_dev$sndmidi(0x0, 0x2, 0x141101) r0 = dup(0xffffffffffffffff) write$6lowpan_enable(r0, &(0x7f0000000000)='0', 0xfffffd2c) syz_open_procfs(0x0, &(0x7f0000000080)='net/dev\x00') r1 = socket$inet6_sctp(0xa, 0x5, 0x84) sendmsg$nl_route(0xffffffffffffffff, 0x0, 0x0) close_range(0xffffffffffffffff, 0xffffffffffffffff, 0x0) sendto$inet6(r1, &(0x7f0000847fff)='X', 0x34000, 0x9c09, &(0x7f000005ffe4)={0xa, 0x0, 0x0, @loopback}, 0x1c) 18:02:52 executing program 2: prctl$PR_SCHED_CORE(0x3e, 0x1, 0x0, 0x2, 0x0) r0 = syz_open_dev$sndmidi(&(0x7f0000000040), 0x2, 0x141101) r1 = dup(r0) write$6lowpan_enable(r1, 0x0, 0x0) syz_open_procfs(0x0, &(0x7f0000000080)='net/dev\x00') r2 = socket$inet6_sctp(0xa, 0x5, 0x84) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r2, 0x84, 0x9, &(0x7f0000000580)={0x0, @in={{0x2, 0x0, @empty}}, 0x0, 0x0, 0x3fc, 0x0, 0x32}, 0x9c) bind$packet(0xffffffffffffffff, &(0x7f0000000140)={0x11, 0xf0, 0x0, 0x1, 0x0, 0x6, @multicast}, 0x14) sendto$inet6(r2, &(0x7f0000847fff)='X', 0x34000, 0x1f000000, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) 18:02:52 executing program 0: syz_open_dev$sndmidi(0x0, 0x2, 0x141101) r0 = dup(0xffffffffffffffff) write$6lowpan_enable(r0, &(0x7f0000000000)='0', 0xfffffd2c) syz_open_procfs(0x0, &(0x7f0000000080)='net/dev\x00') r1 = socket$inet6_sctp(0xa, 0x5, 0x84) sendmsg$nl_route(0xffffffffffffffff, 0x0, 0x0) close_range(0xffffffffffffffff, 0xffffffffffffffff, 0x0) sendto$inet6(r1, &(0x7f0000847fff)='X', 0x34000, 0xc0fe, &(0x7f000005ffe4)={0xa, 0x0, 0x0, @loopback}, 0x1c) 18:02:52 executing program 0: syz_open_dev$sndmidi(0x0, 0x2, 0x141101) r0 = dup(0xffffffffffffffff) write$6lowpan_enable(r0, &(0x7f0000000000)='0', 0xfffffd2c) syz_open_procfs(0x0, &(0x7f0000000080)='net/dev\x00') r1 = socket$inet6_sctp(0xa, 0x5, 0x84) sendmsg$nl_route(0xffffffffffffffff, 0x0, 0x0) close_range(0xffffffffffffffff, 0xffffffffffffffff, 0x0) sendto$inet6(r1, &(0x7f0000847fff)='X', 0x34000, 0xe803, &(0x7f000005ffe4)={0xa, 0x0, 0x0, @loopback}, 0x1c) 18:02:52 executing program 0: syz_open_dev$sndmidi(0x0, 0x2, 0x141101) r0 = dup(0xffffffffffffffff) write$6lowpan_enable(r0, &(0x7f0000000000)='0', 0xfffffd2c) syz_open_procfs(0x0, &(0x7f0000000080)='net/dev\x00') r1 = socket$inet6_sctp(0xa, 0x5, 0x84) sendmsg$nl_route(0xffffffffffffffff, 0x0, 0x0) close_range(0xffffffffffffffff, 0xffffffffffffffff, 0x0) sendto$inet6(r1, &(0x7f0000847fff)='X', 0x34000, 0xf401, &(0x7f000005ffe4)={0xa, 0x0, 0x0, @loopback}, 0x1c) 18:02:52 executing program 0: syz_open_dev$sndmidi(0x0, 0x2, 0x141101) r0 = dup(0xffffffffffffffff) write$6lowpan_enable(r0, &(0x7f0000000000)='0', 0xfffffd2c) syz_open_procfs(0x0, &(0x7f0000000080)='net/dev\x00') r1 = socket$inet6_sctp(0xa, 0x5, 0x84) sendmsg$nl_route(0xffffffffffffffff, 0x0, 0x0) close_range(0xffffffffffffffff, 0xffffffffffffffff, 0x0) sendto$inet6(r1, &(0x7f0000847fff)='X', 0x34000, 0xfc00, &(0x7f000005ffe4)={0xa, 0x0, 0x0, @loopback}, 0x1c) 18:02:52 executing program 4: prlimit64(0x0, 0xe, &(0x7f0000000140)={0x8, 0x8b}, 0x0) sched_setscheduler(0x0, 0x2, &(0x7f0000000080)=0x8) r0 = getpid() sched_setscheduler(r0, 0x1, &(0x7f0000001700)=0x4) socketpair$unix(0x1, 0x2, 0x0, &(0x7f0000000200)={0xffffffffffffffff, 0xffffffffffffffff}) recvmmsg(r1, &(0x7f00000000c0), 0x10106, 0x2, 0x0) r3 = openat$loop_ctrl(0xffffff9c, &(0x7f0000000040), 0x0, 0x0) sendmmsg(r2, 0x0, 0x0, 0x0) r4 = getpid() sched_setaffinity(r4, 0x8, &(0x7f0000000000)=0x96f) ioctl$LOOP_CTL_ADD(r3, 0x4c80, 0x0) (fail_nth: 44) ioctl$LOOP_CTL_REMOVE(r3, 0x4c81, 0x0) 18:02:52 executing program 2: prctl$PR_SCHED_CORE(0x3e, 0x1, 0x0, 0x2, 0x0) r0 = syz_open_dev$sndmidi(&(0x7f0000000040), 0x2, 0x141101) r1 = dup(r0) write$6lowpan_enable(r1, 0x0, 0x0) syz_open_procfs(0x0, &(0x7f0000000080)='net/dev\x00') r2 = socket$inet6_sctp(0xa, 0x5, 0x84) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r2, 0x84, 0x9, &(0x7f0000000580)={0x0, @in={{0x2, 0x0, @empty}}, 0x0, 0x0, 0x3fc, 0x0, 0x32}, 0x9c) bind$packet(0xffffffffffffffff, &(0x7f0000000140)={0x11, 0xf0, 0x0, 0x1, 0x0, 0x6, @multicast}, 0x14) sendto$inet6(r2, &(0x7f0000847fff)='X', 0x34000, 0xfc000000, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) 18:02:52 executing program 0: syz_open_dev$sndmidi(0x0, 0x2, 0x141101) r0 = dup(0xffffffffffffffff) write$6lowpan_enable(r0, &(0x7f0000000000)='0', 0xfffffd2c) syz_open_procfs(0x0, &(0x7f0000000080)='net/dev\x00') r1 = socket$inet6_sctp(0xa, 0x5, 0x84) sendmsg$nl_route(0xffffffffffffffff, 0x0, 0x0) close_range(0xffffffffffffffff, 0xffffffffffffffff, 0x0) sendto$inet6(r1, &(0x7f0000847fff)='X', 0x34000, 0xfe80, &(0x7f000005ffe4)={0xa, 0x0, 0x0, @loopback}, 0x1c) 18:02:52 executing program 5: prctl$PR_SCHED_CORE(0x3e, 0x1, 0x0, 0x2, 0x0) r0 = syz_open_dev$sndmidi(&(0x7f0000000040), 0x2, 0x141101) r1 = dup(r0) write$6lowpan_enable(r1, &(0x7f0000000000)='0', 0xfffffd2c) tkill(0x0, 0x0) syz_open_procfs(0x0, 0x0) r2 = socket$inet6_sctp(0xa, 0x5, 0x84) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r2, 0x84, 0x9, &(0x7f0000000580)={0x0, @in={{0x2, 0x0, @empty}}, 0x0, 0x0, 0x3fc, 0x0, 0x32}, 0x9c) bind$packet(0xffffffffffffffff, &(0x7f0000000140)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @multicast}, 0x14) close_range(0xffffffffffffffff, 0xffffffffffffffff, 0x0) sendto$inet6(r2, &(0x7f0000847fff)='X', 0x34000, 0x0, &(0x7f000005ffe4)={0xa, 0x0, 0x0, @loopback}, 0x1c) (fail_nth: 41) 18:02:52 executing program 1: prctl$PR_SCHED_CORE(0x3e, 0x1, 0x0, 0x2, 0x0) r0 = syz_open_dev$sndmidi(&(0x7f0000000040), 0x2, 0x141101) r1 = dup(r0) write$6lowpan_enable(r1, &(0x7f0000000000)='0', 0xfffffd2c) syz_open_procfs(0x0, &(0x7f0000000080)='net/dev\x00') r2 = socket$inet6_sctp(0xa, 0x5, 0x84) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r2, 0x84, 0x9, &(0x7f0000000580)={0x0, @in={{0x2, 0x0, @empty}}, 0x0, 0x0, 0x3fc, 0x0, 0x32}, 0x9c) bind$packet(0xffffffffffffffff, &(0x7f0000000140)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @multicast}, 0x14) sendto$inet6(r2, &(0x7f0000847fff)='X', 0x34000, 0x0, &(0x7f000005ffe4)={0xa, 0x0, 0x0, @loopback}, 0x1c) (fail_nth: 36) 18:02:52 executing program 0: syz_open_dev$sndmidi(0x0, 0x2, 0x141101) r0 = dup(0xffffffffffffffff) write$6lowpan_enable(r0, &(0x7f0000000000)='0', 0xfffffd2c) syz_open_procfs(0x0, &(0x7f0000000080)='net/dev\x00') r1 = socket$inet6_sctp(0xa, 0x5, 0x84) sendmsg$nl_route(0xffffffffffffffff, 0x0, 0x0) close_range(0xffffffffffffffff, 0xffffffffffffffff, 0x0) sendto$inet6(r1, &(0x7f0000847fff)='X', 0x34000, 0xfec0, &(0x7f000005ffe4)={0xa, 0x0, 0x0, @loopback}, 0x1c) 18:02:52 executing program 3: r0 = dup(0xffffffffffffffff) write$6lowpan_enable(r0, &(0x7f0000000000)='0', 0xfffffd2c) r1 = socket$inet6_sctp(0xa, 0x5, 0x84) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r1, 0x84, 0x9, &(0x7f0000000580)={0x0, @in={{0x2, 0x0, @empty}}, 0x0, 0x0, 0x3fc, 0x0, 0x32}, 0x9c) bind$packet(0xffffffffffffffff, &(0x7f0000000140)={0x11, 0xf0, 0x0, 0x1, 0x0, 0x6, @multicast}, 0x14) sendto$inet6(r1, &(0x7f0000847fff)='X', 0x34000, 0x900, &(0x7f000005ffe4)={0xa, 0x0, 0x0, @loopback}, 0x1c) 18:02:52 executing program 2: prctl$PR_SCHED_CORE(0x3e, 0x1, 0x0, 0x2, 0x0) r0 = syz_open_dev$sndmidi(&(0x7f0000000040), 0x2, 0x141101) r1 = dup(r0) write$6lowpan_enable(r1, 0x0, 0x0) syz_open_procfs(0x0, &(0x7f0000000080)='net/dev\x00') r2 = socket$inet6_sctp(0xa, 0x5, 0x84) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r2, 0x84, 0x9, &(0x7f0000000580)={0x0, @in={{0x2, 0x0, @empty}}, 0x0, 0x0, 0x3fc, 0x0, 0x32}, 0x9c) bind$packet(0xffffffffffffffff, &(0x7f0000000140)={0x11, 0xf0, 0x0, 0x1, 0x0, 0x6, @multicast}, 0x14) sendto$inet6(r2, &(0x7f0000847fff)='X', 0x34000, 0xfe800000, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) 18:02:53 executing program 0: syz_open_dev$sndmidi(0x0, 0x2, 0x141101) r0 = dup(0xffffffffffffffff) write$6lowpan_enable(r0, &(0x7f0000000000)='0', 0xfffffd2c) syz_open_procfs(0x0, &(0x7f0000000080)='net/dev\x00') r1 = socket$inet6_sctp(0xa, 0x5, 0x84) sendmsg$nl_route(0xffffffffffffffff, 0x0, 0x0) close_range(0xffffffffffffffff, 0xffffffffffffffff, 0x0) sendto$inet6(r1, &(0x7f0000847fff)='X', 0x34000, 0xff00, &(0x7f000005ffe4)={0xa, 0x0, 0x0, @loopback}, 0x1c) 18:02:53 executing program 2: prctl$PR_SCHED_CORE(0x3e, 0x1, 0x0, 0x2, 0x0) r0 = syz_open_dev$sndmidi(&(0x7f0000000040), 0x2, 0x141101) r1 = dup(r0) write$6lowpan_enable(r1, 0x0, 0x0) syz_open_procfs(0x0, &(0x7f0000000080)='net/dev\x00') r2 = socket$inet6_sctp(0xa, 0x5, 0x84) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r2, 0x84, 0x9, &(0x7f0000000580)={0x0, @in={{0x2, 0x0, @empty}}, 0x0, 0x0, 0x3fc, 0x0, 0x32}, 0x9c) bind$packet(0xffffffffffffffff, &(0x7f0000000140)={0x11, 0xf0, 0x0, 0x1, 0x0, 0x6, @multicast}, 0x14) sendto$inet6(r2, &(0x7f0000847fff)='X', 0x34000, 0xfec00000, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) 18:02:53 executing program 0: syz_open_dev$sndmidi(0x0, 0x2, 0x141101) r0 = dup(0xffffffffffffffff) write$6lowpan_enable(r0, &(0x7f0000000000)='0', 0xfffffd2c) syz_open_procfs(0x0, &(0x7f0000000080)='net/dev\x00') r1 = socket$inet6_sctp(0xa, 0x5, 0x84) sendmsg$nl_route(0xffffffffffffffff, 0x0, 0x0) close_range(0xffffffffffffffff, 0xffffffffffffffff, 0x0) sendto$inet6(r1, &(0x7f0000847fff)='X', 0x34000, 0xad0004, &(0x7f000005ffe4)={0xa, 0x0, 0x0, @loopback}, 0x1c) 18:02:53 executing program 2: prctl$PR_SCHED_CORE(0x3e, 0x1, 0x0, 0x2, 0x0) r0 = syz_open_dev$sndmidi(&(0x7f0000000040), 0x2, 0x141101) r1 = dup(r0) write$6lowpan_enable(r1, 0x0, 0x0) syz_open_procfs(0x0, &(0x7f0000000080)='net/dev\x00') r2 = socket$inet6_sctp(0xa, 0x5, 0x84) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r2, 0x84, 0x9, &(0x7f0000000580)={0x0, @in={{0x2, 0x0, @empty}}, 0x0, 0x0, 0x3fc, 0x0, 0x32}, 0x9c) bind$packet(0xffffffffffffffff, &(0x7f0000000140)={0x11, 0xf0, 0x0, 0x1, 0x0, 0x6, @multicast}, 0x14) sendto$inet6(r2, &(0x7f0000847fff)='X', 0x34000, 0xff000000, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) 18:02:53 executing program 4: prlimit64(0x0, 0xe, &(0x7f0000000140)={0x8, 0x8b}, 0x0) sched_setscheduler(0x0, 0x2, &(0x7f0000000080)=0x8) r0 = getpid() sched_setscheduler(r0, 0x1, &(0x7f0000001700)=0x4) socketpair$unix(0x1, 0x2, 0x0, &(0x7f0000000200)={0xffffffffffffffff, 0xffffffffffffffff}) recvmmsg(r1, &(0x7f00000000c0), 0x10106, 0x2, 0x0) r3 = openat$loop_ctrl(0xffffff9c, &(0x7f0000000040), 0x0, 0x0) sendmmsg(r2, 0x0, 0x0, 0x0) r4 = getpid() sched_setaffinity(r4, 0x8, &(0x7f0000000000)=0x96f) ioctl$LOOP_CTL_ADD(r3, 0x4c80, 0x0) (fail_nth: 45) ioctl$LOOP_CTL_REMOVE(r3, 0x4c81, 0x0) 18:02:53 executing program 0: syz_open_dev$sndmidi(0x0, 0x2, 0x141101) r0 = dup(0xffffffffffffffff) write$6lowpan_enable(r0, &(0x7f0000000000)='0', 0xfffffd2c) syz_open_procfs(0x0, &(0x7f0000000080)='net/dev\x00') r1 = socket$inet6_sctp(0xa, 0x5, 0x84) sendmsg$nl_route(0xffffffffffffffff, 0x0, 0x0) close_range(0xffffffffffffffff, 0xffffffffffffffff, 0x0) sendto$inet6(r1, &(0x7f0000847fff)='X', 0x34000, 0x1000000, &(0x7f000005ffe4)={0xa, 0x0, 0x0, @loopback}, 0x1c) 18:02:53 executing program 2: prctl$PR_SCHED_CORE(0x3e, 0x1, 0x0, 0x2, 0x0) r0 = syz_open_dev$sndmidi(&(0x7f0000000040), 0x2, 0x141101) r1 = dup(r0) write$6lowpan_enable(r1, 0x0, 0x0) syz_open_procfs(0x0, &(0x7f0000000080)='net/dev\x00') r2 = socket$inet6_sctp(0xa, 0x5, 0x84) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r2, 0x84, 0x9, &(0x7f0000000580)={0x0, @in={{0x2, 0x0, @empty}}, 0x0, 0x0, 0x3fc, 0x0, 0x32}, 0x9c) bind$packet(0xffffffffffffffff, &(0x7f0000000140)={0x11, 0xf0, 0x0, 0x1, 0x0, 0x6, @multicast}, 0x14) sendto$inet6(r2, &(0x7f0000847fff)='X', 0x34000, 0x100000000000000, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) 18:02:53 executing program 5: prctl$PR_SCHED_CORE(0x3e, 0x1, 0x0, 0x2, 0x0) r0 = syz_open_dev$sndmidi(&(0x7f0000000040), 0x2, 0x141101) r1 = dup(r0) write$6lowpan_enable(r1, &(0x7f0000000000)='0', 0xfffffd2c) tkill(0x0, 0x0) syz_open_procfs(0x0, 0x0) r2 = socket$inet6_sctp(0xa, 0x5, 0x84) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r2, 0x84, 0x9, &(0x7f0000000580)={0x0, @in={{0x2, 0x0, @empty}}, 0x0, 0x0, 0x3fc, 0x0, 0x32}, 0x9c) bind$packet(0xffffffffffffffff, &(0x7f0000000140)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @multicast}, 0x14) close_range(0xffffffffffffffff, 0xffffffffffffffff, 0x0) sendto$inet6(r2, &(0x7f0000847fff)='X', 0x34000, 0x0, &(0x7f000005ffe4)={0xa, 0x0, 0x0, @loopback}, 0x1c) (fail_nth: 42) 18:02:53 executing program 1: prctl$PR_SCHED_CORE(0x3e, 0x1, 0x0, 0x2, 0x0) r0 = syz_open_dev$sndmidi(&(0x7f0000000040), 0x2, 0x141101) r1 = dup(r0) write$6lowpan_enable(r1, &(0x7f0000000000)='0', 0xfffffd2c) syz_open_procfs(0x0, &(0x7f0000000080)='net/dev\x00') r2 = socket$inet6_sctp(0xa, 0x5, 0x84) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r2, 0x84, 0x9, &(0x7f0000000580)={0x0, @in={{0x2, 0x0, @empty}}, 0x0, 0x0, 0x3fc, 0x0, 0x32}, 0x9c) bind$packet(0xffffffffffffffff, &(0x7f0000000140)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @multicast}, 0x14) sendto$inet6(r2, &(0x7f0000847fff)='X', 0x34000, 0x0, &(0x7f000005ffe4)={0xa, 0x0, 0x0, @loopback}, 0x1c) (fail_nth: 37) 18:02:53 executing program 0: syz_open_dev$sndmidi(0x0, 0x2, 0x141101) r0 = dup(0xffffffffffffffff) write$6lowpan_enable(r0, &(0x7f0000000000)='0', 0xfffffd2c) syz_open_procfs(0x0, &(0x7f0000000080)='net/dev\x00') r1 = socket$inet6_sctp(0xa, 0x5, 0x84) sendmsg$nl_route(0xffffffffffffffff, 0x0, 0x0) close_range(0xffffffffffffffff, 0xffffffffffffffff, 0x0) sendto$inet6(r1, &(0x7f0000847fff)='X', 0x34000, 0x2000000, &(0x7f000005ffe4)={0xa, 0x0, 0x0, @loopback}, 0x1c) 18:02:53 executing program 3: r0 = dup(0xffffffffffffffff) write$6lowpan_enable(r0, &(0x7f0000000000)='0', 0xfffffd2c) r1 = socket$inet6_sctp(0xa, 0x5, 0x84) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r1, 0x84, 0x9, &(0x7f0000000580)={0x0, @in={{0x2, 0x0, @empty}}, 0x0, 0x0, 0x3fc, 0x0, 0x32}, 0x9c) bind$packet(0xffffffffffffffff, &(0x7f0000000140)={0x11, 0xf0, 0x0, 0x1, 0x0, 0x6, @multicast}, 0x14) sendto$inet6(r1, &(0x7f0000847fff)='X', 0x34000, 0xa00, &(0x7f000005ffe4)={0xa, 0x0, 0x0, @loopback}, 0x1c) 18:02:53 executing program 2: prctl$PR_SCHED_CORE(0x3e, 0x1, 0x0, 0x2, 0x0) r0 = syz_open_dev$sndmidi(&(0x7f0000000040), 0x2, 0x141101) r1 = dup(r0) write$6lowpan_enable(r1, 0x0, 0x0) syz_open_procfs(0x0, &(0x7f0000000080)='net/dev\x00') r2 = socket$inet6_sctp(0xa, 0x5, 0x84) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r2, 0x84, 0x9, &(0x7f0000000580)={0x0, @in={{0x2, 0x0, @empty}}, 0x0, 0x0, 0x3fc, 0x0, 0x32}, 0x9c) bind$packet(0xffffffffffffffff, &(0x7f0000000140)={0x11, 0xf0, 0x0, 0x1, 0x0, 0x6, @multicast}, 0x14) sendto$inet6(r2, &(0x7f0000847fff)='X', 0x34000, 0x200000000000000, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) 18:02:53 executing program 0: syz_open_dev$sndmidi(0x0, 0x2, 0x141101) r0 = dup(0xffffffffffffffff) write$6lowpan_enable(r0, &(0x7f0000000000)='0', 0xfffffd2c) syz_open_procfs(0x0, &(0x7f0000000080)='net/dev\x00') r1 = socket$inet6_sctp(0xa, 0x5, 0x84) sendmsg$nl_route(0xffffffffffffffff, 0x0, 0x0) close_range(0xffffffffffffffff, 0xffffffffffffffff, 0x0) sendto$inet6(r1, &(0x7f0000847fff)='X', 0x34000, 0x3000000, &(0x7f000005ffe4)={0xa, 0x0, 0x0, @loopback}, 0x1c) 18:02:54 executing program 2: prctl$PR_SCHED_CORE(0x3e, 0x1, 0x0, 0x2, 0x0) r0 = syz_open_dev$sndmidi(&(0x7f0000000040), 0x2, 0x141101) r1 = dup(r0) write$6lowpan_enable(r1, 0x0, 0x0) syz_open_procfs(0x0, &(0x7f0000000080)='net/dev\x00') r2 = socket$inet6_sctp(0xa, 0x5, 0x84) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r2, 0x84, 0x9, &(0x7f0000000580)={0x0, @in={{0x2, 0x0, @empty}}, 0x0, 0x0, 0x3fc, 0x0, 0x32}, 0x9c) bind$packet(0xffffffffffffffff, &(0x7f0000000140)={0x11, 0xf0, 0x0, 0x1, 0x0, 0x6, @multicast}, 0x14) sendto$inet6(r2, &(0x7f0000847fff)='X', 0x34000, 0x300000000000000, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) 18:02:54 executing program 0: syz_open_dev$sndmidi(0x0, 0x2, 0x141101) r0 = dup(0xffffffffffffffff) write$6lowpan_enable(r0, &(0x7f0000000000)='0', 0xfffffd2c) syz_open_procfs(0x0, &(0x7f0000000080)='net/dev\x00') r1 = socket$inet6_sctp(0xa, 0x5, 0x84) sendmsg$nl_route(0xffffffffffffffff, 0x0, 0x0) close_range(0xffffffffffffffff, 0xffffffffffffffff, 0x0) sendto$inet6(r1, &(0x7f0000847fff)='X', 0x34000, 0x4000000, &(0x7f000005ffe4)={0xa, 0x0, 0x0, @loopback}, 0x1c) 18:02:54 executing program 0: syz_open_dev$sndmidi(0x0, 0x2, 0x141101) r0 = dup(0xffffffffffffffff) write$6lowpan_enable(r0, &(0x7f0000000000)='0', 0xfffffd2c) syz_open_procfs(0x0, &(0x7f0000000080)='net/dev\x00') r1 = socket$inet6_sctp(0xa, 0x5, 0x84) sendmsg$nl_route(0xffffffffffffffff, 0x0, 0x0) close_range(0xffffffffffffffff, 0xffffffffffffffff, 0x0) sendto$inet6(r1, &(0x7f0000847fff)='X', 0x34000, 0x400ad00, &(0x7f000005ffe4)={0xa, 0x0, 0x0, @loopback}, 0x1c) 18:02:54 executing program 4: prlimit64(0x0, 0xe, &(0x7f0000000140)={0x8, 0x8b}, 0x0) sched_setscheduler(0x0, 0x2, &(0x7f0000000080)=0x8) r0 = getpid() sched_setscheduler(r0, 0x1, &(0x7f0000001700)=0x4) socketpair$unix(0x1, 0x2, 0x0, &(0x7f0000000200)={0xffffffffffffffff, 0xffffffffffffffff}) recvmmsg(r1, &(0x7f00000000c0), 0x10106, 0x2, 0x0) r3 = openat$loop_ctrl(0xffffff9c, &(0x7f0000000040), 0x0, 0x0) sendmmsg(r2, 0x0, 0x0, 0x0) r4 = getpid() sched_setaffinity(r4, 0x8, &(0x7f0000000000)=0x96f) ioctl$LOOP_CTL_ADD(r3, 0x4c80, 0x0) (fail_nth: 46) ioctl$LOOP_CTL_REMOVE(r3, 0x4c81, 0x0) 18:02:54 executing program 2: prctl$PR_SCHED_CORE(0x3e, 0x1, 0x0, 0x2, 0x0) r0 = syz_open_dev$sndmidi(&(0x7f0000000040), 0x2, 0x141101) r1 = dup(r0) write$6lowpan_enable(r1, 0x0, 0x0) syz_open_procfs(0x0, &(0x7f0000000080)='net/dev\x00') r2 = socket$inet6_sctp(0xa, 0x5, 0x84) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r2, 0x84, 0x9, &(0x7f0000000580)={0x0, @in={{0x2, 0x0, @empty}}, 0x0, 0x0, 0x3fc, 0x0, 0x32}, 0x9c) bind$packet(0xffffffffffffffff, &(0x7f0000000140)={0x11, 0xf0, 0x0, 0x1, 0x0, 0x6, @multicast}, 0x14) sendto$inet6(r2, &(0x7f0000847fff)='X', 0x34000, 0x400000000000000, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) 18:02:54 executing program 0: syz_open_dev$sndmidi(0x0, 0x2, 0x141101) r0 = dup(0xffffffffffffffff) write$6lowpan_enable(r0, &(0x7f0000000000)='0', 0xfffffd2c) syz_open_procfs(0x0, &(0x7f0000000080)='net/dev\x00') r1 = socket$inet6_sctp(0xa, 0x5, 0x84) sendmsg$nl_route(0xffffffffffffffff, 0x0, 0x0) close_range(0xffffffffffffffff, 0xffffffffffffffff, 0x0) sendto$inet6(r1, &(0x7f0000847fff)='X', 0x34000, 0x5000000, &(0x7f000005ffe4)={0xa, 0x0, 0x0, @loopback}, 0x1c) 18:02:54 executing program 5: prctl$PR_SCHED_CORE(0x3e, 0x1, 0x0, 0x2, 0x0) r0 = syz_open_dev$sndmidi(&(0x7f0000000040), 0x2, 0x141101) r1 = dup(r0) write$6lowpan_enable(r1, &(0x7f0000000000)='0', 0xfffffd2c) tkill(0x0, 0x0) syz_open_procfs(0x0, 0x0) r2 = socket$inet6_sctp(0xa, 0x5, 0x84) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r2, 0x84, 0x9, &(0x7f0000000580)={0x0, @in={{0x2, 0x0, @empty}}, 0x0, 0x0, 0x3fc, 0x0, 0x32}, 0x9c) bind$packet(0xffffffffffffffff, &(0x7f0000000140)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @multicast}, 0x14) close_range(0xffffffffffffffff, 0xffffffffffffffff, 0x0) sendto$inet6(r2, &(0x7f0000847fff)='X', 0x34000, 0x0, &(0x7f000005ffe4)={0xa, 0x0, 0x0, @loopback}, 0x1c) (fail_nth: 43) 18:02:54 executing program 1: prctl$PR_SCHED_CORE(0x3e, 0x1, 0x0, 0x2, 0x0) r0 = syz_open_dev$sndmidi(&(0x7f0000000040), 0x2, 0x141101) r1 = dup(r0) write$6lowpan_enable(r1, &(0x7f0000000000)='0', 0xfffffd2c) syz_open_procfs(0x0, &(0x7f0000000080)='net/dev\x00') r2 = socket$inet6_sctp(0xa, 0x5, 0x84) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r2, 0x84, 0x9, &(0x7f0000000580)={0x0, @in={{0x2, 0x0, @empty}}, 0x0, 0x0, 0x3fc, 0x0, 0x32}, 0x9c) bind$packet(0xffffffffffffffff, &(0x7f0000000140)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @multicast}, 0x14) sendto$inet6(r2, &(0x7f0000847fff)='X', 0x34000, 0x0, &(0x7f000005ffe4)={0xa, 0x0, 0x0, @loopback}, 0x1c) (fail_nth: 38) 18:02:54 executing program 0: syz_open_dev$sndmidi(0x0, 0x2, 0x141101) r0 = dup(0xffffffffffffffff) write$6lowpan_enable(r0, &(0x7f0000000000)='0', 0xfffffd2c) syz_open_procfs(0x0, &(0x7f0000000080)='net/dev\x00') r1 = socket$inet6_sctp(0xa, 0x5, 0x84) sendmsg$nl_route(0xffffffffffffffff, 0x0, 0x0) close_range(0xffffffffffffffff, 0xffffffffffffffff, 0x0) sendto$inet6(r1, &(0x7f0000847fff)='X', 0x34000, 0x6000000, &(0x7f000005ffe4)={0xa, 0x0, 0x0, @loopback}, 0x1c) 18:02:54 executing program 3: r0 = dup(0xffffffffffffffff) write$6lowpan_enable(r0, &(0x7f0000000000)='0', 0xfffffd2c) r1 = socket$inet6_sctp(0xa, 0x5, 0x84) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r1, 0x84, 0x9, &(0x7f0000000580)={0x0, @in={{0x2, 0x0, @empty}}, 0x0, 0x0, 0x3fc, 0x0, 0x32}, 0x9c) bind$packet(0xffffffffffffffff, &(0x7f0000000140)={0x11, 0xf0, 0x0, 0x1, 0x0, 0x6, @multicast}, 0x14) sendto$inet6(r1, &(0x7f0000847fff)='X', 0x34000, 0xf00, &(0x7f000005ffe4)={0xa, 0x0, 0x0, @loopback}, 0x1c) 18:02:54 executing program 2: prctl$PR_SCHED_CORE(0x3e, 0x1, 0x0, 0x2, 0x0) r0 = syz_open_dev$sndmidi(&(0x7f0000000040), 0x2, 0x141101) r1 = dup(r0) write$6lowpan_enable(r1, 0x0, 0x0) syz_open_procfs(0x0, &(0x7f0000000080)='net/dev\x00') r2 = socket$inet6_sctp(0xa, 0x5, 0x84) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r2, 0x84, 0x9, &(0x7f0000000580)={0x0, @in={{0x2, 0x0, @empty}}, 0x0, 0x0, 0x3fc, 0x0, 0x32}, 0x9c) bind$packet(0xffffffffffffffff, &(0x7f0000000140)={0x11, 0xf0, 0x0, 0x1, 0x0, 0x6, @multicast}, 0x14) sendto$inet6(r2, &(0x7f0000847fff)='X', 0x34000, 0x700000000000000, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) 18:02:54 executing program 0: syz_open_dev$sndmidi(0x0, 0x2, 0x141101) r0 = dup(0xffffffffffffffff) write$6lowpan_enable(r0, &(0x7f0000000000)='0', 0xfffffd2c) syz_open_procfs(0x0, &(0x7f0000000080)='net/dev\x00') r1 = socket$inet6_sctp(0xa, 0x5, 0x84) sendmsg$nl_route(0xffffffffffffffff, 0x0, 0x0) close_range(0xffffffffffffffff, 0xffffffffffffffff, 0x0) sendto$inet6(r1, &(0x7f0000847fff)='X', 0x34000, 0x7000000, &(0x7f000005ffe4)={0xa, 0x0, 0x0, @loopback}, 0x1c) 18:02:54 executing program 2: prctl$PR_SCHED_CORE(0x3e, 0x1, 0x0, 0x2, 0x0) r0 = syz_open_dev$sndmidi(&(0x7f0000000040), 0x2, 0x141101) r1 = dup(r0) write$6lowpan_enable(r1, 0x0, 0x0) syz_open_procfs(0x0, &(0x7f0000000080)='net/dev\x00') r2 = socket$inet6_sctp(0xa, 0x5, 0x84) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r2, 0x84, 0x9, &(0x7f0000000580)={0x0, @in={{0x2, 0x0, @empty}}, 0x0, 0x0, 0x3fc, 0x0, 0x32}, 0x9c) bind$packet(0xffffffffffffffff, &(0x7f0000000140)={0x11, 0xf0, 0x0, 0x1, 0x0, 0x6, @multicast}, 0x14) sendto$inet6(r2, &(0x7f0000847fff)='X', 0x34000, 0xa00000000000000, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) 18:02:54 executing program 0: syz_open_dev$sndmidi(0x0, 0x2, 0x141101) r0 = dup(0xffffffffffffffff) write$6lowpan_enable(r0, &(0x7f0000000000)='0', 0xfffffd2c) syz_open_procfs(0x0, &(0x7f0000000080)='net/dev\x00') r1 = socket$inet6_sctp(0xa, 0x5, 0x84) sendmsg$nl_route(0xffffffffffffffff, 0x0, 0x0) close_range(0xffffffffffffffff, 0xffffffffffffffff, 0x0) sendto$inet6(r1, &(0x7f0000847fff)='X', 0x34000, 0x8000000, &(0x7f000005ffe4)={0xa, 0x0, 0x0, @loopback}, 0x1c) 18:02:54 executing program 0: syz_open_dev$sndmidi(0x0, 0x2, 0x141101) r0 = dup(0xffffffffffffffff) write$6lowpan_enable(r0, &(0x7f0000000000)='0', 0xfffffd2c) syz_open_procfs(0x0, &(0x7f0000000080)='net/dev\x00') r1 = socket$inet6_sctp(0xa, 0x5, 0x84) sendmsg$nl_route(0xffffffffffffffff, 0x0, 0x0) close_range(0xffffffffffffffff, 0xffffffffffffffff, 0x0) sendto$inet6(r1, &(0x7f0000847fff)='X', 0x34000, 0x9000000, &(0x7f000005ffe4)={0xa, 0x0, 0x0, @loopback}, 0x1c) 18:02:55 executing program 4: prlimit64(0x0, 0xe, &(0x7f0000000140)={0x8, 0x8b}, 0x0) sched_setscheduler(0x0, 0x2, &(0x7f0000000080)=0x8) r0 = getpid() sched_setscheduler(r0, 0x1, &(0x7f0000001700)=0x4) socketpair$unix(0x1, 0x2, 0x0, &(0x7f0000000200)={0xffffffffffffffff, 0xffffffffffffffff}) recvmmsg(r1, &(0x7f00000000c0), 0x10106, 0x2, 0x0) r3 = openat$loop_ctrl(0xffffff9c, &(0x7f0000000040), 0x0, 0x0) sendmmsg(r2, 0x0, 0x0, 0x0) r4 = getpid() sched_setaffinity(r4, 0x8, &(0x7f0000000000)=0x96f) ioctl$LOOP_CTL_ADD(r3, 0x4c80, 0x0) (fail_nth: 47) ioctl$LOOP_CTL_REMOVE(r3, 0x4c81, 0x0) 18:02:55 executing program 2: prctl$PR_SCHED_CORE(0x3e, 0x1, 0x0, 0x2, 0x0) r0 = syz_open_dev$sndmidi(&(0x7f0000000040), 0x2, 0x141101) r1 = dup(r0) write$6lowpan_enable(r1, 0x0, 0x0) syz_open_procfs(0x0, &(0x7f0000000080)='net/dev\x00') r2 = socket$inet6_sctp(0xa, 0x5, 0x84) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r2, 0x84, 0x9, &(0x7f0000000580)={0x0, @in={{0x2, 0x0, @empty}}, 0x0, 0x0, 0x3fc, 0x0, 0x32}, 0x9c) bind$packet(0xffffffffffffffff, &(0x7f0000000140)={0x11, 0xf0, 0x0, 0x1, 0x0, 0x6, @multicast}, 0x14) sendto$inet6(r2, &(0x7f0000847fff)='X', 0x34000, 0xf00000000000000, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) 18:02:55 executing program 0: syz_open_dev$sndmidi(0x0, 0x2, 0x141101) r0 = dup(0xffffffffffffffff) write$6lowpan_enable(r0, &(0x7f0000000000)='0', 0xfffffd2c) syz_open_procfs(0x0, &(0x7f0000000080)='net/dev\x00') r1 = socket$inet6_sctp(0xa, 0x5, 0x84) sendmsg$nl_route(0xffffffffffffffff, 0x0, 0x0) close_range(0xffffffffffffffff, 0xffffffffffffffff, 0x0) sendto$inet6(r1, &(0x7f0000847fff)='X', 0x34000, 0xa000000, &(0x7f000005ffe4)={0xa, 0x0, 0x0, @loopback}, 0x1c) 18:02:55 executing program 5: prctl$PR_SCHED_CORE(0x3e, 0x1, 0x0, 0x2, 0x0) r0 = syz_open_dev$sndmidi(&(0x7f0000000040), 0x2, 0x141101) r1 = dup(r0) write$6lowpan_enable(r1, &(0x7f0000000000)='0', 0xfffffd2c) tkill(0x0, 0x0) syz_open_procfs(0x0, 0x0) r2 = socket$inet6_sctp(0xa, 0x5, 0x84) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r2, 0x84, 0x9, &(0x7f0000000580)={0x0, @in={{0x2, 0x0, @empty}}, 0x0, 0x0, 0x3fc, 0x0, 0x32}, 0x9c) bind$packet(0xffffffffffffffff, &(0x7f0000000140)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @multicast}, 0x14) close_range(0xffffffffffffffff, 0xffffffffffffffff, 0x0) sendto$inet6(r2, &(0x7f0000847fff)='X', 0x34000, 0x0, &(0x7f000005ffe4)={0xa, 0x0, 0x0, @loopback}, 0x1c) (fail_nth: 44) 18:02:55 executing program 1: prctl$PR_SCHED_CORE(0x3e, 0x1, 0x0, 0x2, 0x0) r0 = syz_open_dev$sndmidi(&(0x7f0000000040), 0x2, 0x141101) r1 = dup(r0) write$6lowpan_enable(r1, &(0x7f0000000000)='0', 0xfffffd2c) syz_open_procfs(0x0, &(0x7f0000000080)='net/dev\x00') r2 = socket$inet6_sctp(0xa, 0x5, 0x84) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r2, 0x84, 0x9, &(0x7f0000000580)={0x0, @in={{0x2, 0x0, @empty}}, 0x0, 0x0, 0x3fc, 0x0, 0x32}, 0x9c) bind$packet(0xffffffffffffffff, &(0x7f0000000140)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @multicast}, 0x14) sendto$inet6(r2, &(0x7f0000847fff)='X', 0x34000, 0x0, &(0x7f000005ffe4)={0xa, 0x0, 0x0, @loopback}, 0x1c) (fail_nth: 39) 18:02:55 executing program 2: prctl$PR_SCHED_CORE(0x3e, 0x1, 0x0, 0x2, 0x0) r0 = syz_open_dev$sndmidi(&(0x7f0000000040), 0x2, 0x141101) r1 = dup(r0) write$6lowpan_enable(r1, 0x0, 0x0) syz_open_procfs(0x0, &(0x7f0000000080)='net/dev\x00') r2 = socket$inet6_sctp(0xa, 0x5, 0x84) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r2, 0x84, 0x9, &(0x7f0000000580)={0x0, @in={{0x2, 0x0, @empty}}, 0x0, 0x0, 0x3fc, 0x0, 0x32}, 0x9c) bind$packet(0xffffffffffffffff, &(0x7f0000000140)={0x11, 0xf0, 0x0, 0x1, 0x0, 0x6, @multicast}, 0x14) sendto$inet6(r2, &(0x7f0000847fff)='X', 0x34000, 0x1f00000000000000, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) 18:02:55 executing program 3: r0 = dup(0xffffffffffffffff) write$6lowpan_enable(r0, &(0x7f0000000000)='0', 0xfffffd2c) r1 = socket$inet6_sctp(0xa, 0x5, 0x84) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r1, 0x84, 0x9, &(0x7f0000000580)={0x0, @in={{0x2, 0x0, @empty}}, 0x0, 0x0, 0x3fc, 0x0, 0x32}, 0x9c) bind$packet(0xffffffffffffffff, &(0x7f0000000140)={0x11, 0xf0, 0x0, 0x1, 0x0, 0x6, @multicast}, 0x14) sendto$inet6(r1, &(0x7f0000847fff)='X', 0x34000, 0x1f00, &(0x7f000005ffe4)={0xa, 0x0, 0x0, @loopback}, 0x1c) 18:02:55 executing program 0: syz_open_dev$sndmidi(0x0, 0x2, 0x141101) r0 = dup(0xffffffffffffffff) write$6lowpan_enable(r0, &(0x7f0000000000)='0', 0xfffffd2c) syz_open_procfs(0x0, &(0x7f0000000080)='net/dev\x00') r1 = socket$inet6_sctp(0xa, 0x5, 0x84) sendmsg$nl_route(0xffffffffffffffff, 0x0, 0x0) close_range(0xffffffffffffffff, 0xffffffffffffffff, 0x0) sendto$inet6(r1, &(0x7f0000847fff)='X', 0x34000, 0xe000000, &(0x7f000005ffe4)={0xa, 0x0, 0x0, @loopback}, 0x1c) 18:02:55 executing program 0: syz_open_dev$sndmidi(0x0, 0x2, 0x141101) r0 = dup(0xffffffffffffffff) write$6lowpan_enable(r0, &(0x7f0000000000)='0', 0xfffffd2c) syz_open_procfs(0x0, &(0x7f0000000080)='net/dev\x00') r1 = socket$inet6_sctp(0xa, 0x5, 0x84) sendmsg$nl_route(0xffffffffffffffff, 0x0, 0x0) close_range(0xffffffffffffffff, 0xffffffffffffffff, 0x0) sendto$inet6(r1, &(0x7f0000847fff)='X', 0x34000, 0xf000000, &(0x7f000005ffe4)={0xa, 0x0, 0x0, @loopback}, 0x1c) 18:02:55 executing program 2: prctl$PR_SCHED_CORE(0x3e, 0x1, 0x0, 0x2, 0x0) r0 = syz_open_dev$sndmidi(&(0x7f0000000040), 0x2, 0x141101) r1 = dup(r0) write$6lowpan_enable(r1, 0x0, 0x0) syz_open_procfs(0x0, &(0x7f0000000080)='net/dev\x00') r2 = socket$inet6_sctp(0xa, 0x5, 0x84) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r2, 0x84, 0x9, &(0x7f0000000580)={0x0, @in={{0x2, 0x0, @empty}}, 0x0, 0x0, 0x3fc, 0x0, 0x32}, 0x9c) bind$packet(0xffffffffffffffff, &(0x7f0000000140)={0x11, 0xf0, 0x0, 0x1, 0x0, 0x6, @multicast}, 0x14) sendto$inet6(r2, &(0x7f0000847fff)='X', 0x34000, 0xfc00000000000000, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) 18:02:55 executing program 0: syz_open_dev$sndmidi(0x0, 0x2, 0x141101) r0 = dup(0xffffffffffffffff) write$6lowpan_enable(r0, &(0x7f0000000000)='0', 0xfffffd2c) syz_open_procfs(0x0, &(0x7f0000000080)='net/dev\x00') r1 = socket$inet6_sctp(0xa, 0x5, 0x84) sendmsg$nl_route(0xffffffffffffffff, 0x0, 0x0) close_range(0xffffffffffffffff, 0xffffffffffffffff, 0x0) sendto$inet6(r1, &(0x7f0000847fff)='X', 0x34000, 0x10000000, &(0x7f000005ffe4)={0xa, 0x0, 0x0, @loopback}, 0x1c) 18:02:55 executing program 2: prctl$PR_SCHED_CORE(0x3e, 0x1, 0x0, 0x2, 0x0) r0 = syz_open_dev$sndmidi(&(0x7f0000000040), 0x2, 0x141101) r1 = dup(r0) write$6lowpan_enable(r1, 0x0, 0x0) syz_open_procfs(0x0, &(0x7f0000000080)='net/dev\x00') r2 = socket$inet6_sctp(0xa, 0x5, 0x84) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r2, 0x84, 0x9, &(0x7f0000000580)={0x0, @in={{0x2, 0x0, @empty}}, 0x0, 0x0, 0x3fc, 0x0, 0x32}, 0x9c) bind$packet(0xffffffffffffffff, &(0x7f0000000140)={0x11, 0xf0, 0x0, 0x1, 0x0, 0x6, @multicast}, 0x14) sendto$inet6(r2, &(0x7f0000847fff)='X', 0x34000, 0xfe80000000000000, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) 18:02:56 executing program 4: prlimit64(0x0, 0xe, &(0x7f0000000140)={0x8, 0x8b}, 0x0) sched_setscheduler(0x0, 0x2, &(0x7f0000000080)=0x8) r0 = getpid() sched_setscheduler(r0, 0x1, &(0x7f0000001700)=0x4) socketpair$unix(0x1, 0x2, 0x0, &(0x7f0000000200)={0xffffffffffffffff, 0xffffffffffffffff}) recvmmsg(r1, &(0x7f00000000c0), 0x10106, 0x2, 0x0) r3 = openat$loop_ctrl(0xffffff9c, &(0x7f0000000040), 0x0, 0x0) sendmmsg(r2, 0x0, 0x0, 0x0) r4 = getpid() sched_setaffinity(r4, 0x8, &(0x7f0000000000)=0x96f) ioctl$LOOP_CTL_ADD(r3, 0x4c80, 0x0) (fail_nth: 48) ioctl$LOOP_CTL_REMOVE(r3, 0x4c81, 0x0) 18:02:56 executing program 0: syz_open_dev$sndmidi(0x0, 0x2, 0x141101) r0 = dup(0xffffffffffffffff) write$6lowpan_enable(r0, &(0x7f0000000000)='0', 0xfffffd2c) syz_open_procfs(0x0, &(0x7f0000000080)='net/dev\x00') r1 = socket$inet6_sctp(0xa, 0x5, 0x84) sendmsg$nl_route(0xffffffffffffffff, 0x0, 0x0) close_range(0xffffffffffffffff, 0xffffffffffffffff, 0x0) sendto$inet6(r1, &(0x7f0000847fff)='X', 0x34000, 0x1f000000, &(0x7f000005ffe4)={0xa, 0x0, 0x0, @loopback}, 0x1c) 18:02:56 executing program 2: prctl$PR_SCHED_CORE(0x3e, 0x1, 0x0, 0x2, 0x0) r0 = syz_open_dev$sndmidi(&(0x7f0000000040), 0x2, 0x141101) r1 = dup(r0) write$6lowpan_enable(r1, 0x0, 0x0) syz_open_procfs(0x0, &(0x7f0000000080)='net/dev\x00') r2 = socket$inet6_sctp(0xa, 0x5, 0x84) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r2, 0x84, 0x9, &(0x7f0000000580)={0x0, @in={{0x2, 0x0, @empty}}, 0x0, 0x0, 0x3fc, 0x0, 0x32}, 0x9c) bind$packet(0xffffffffffffffff, &(0x7f0000000140)={0x11, 0xf0, 0x0, 0x1, 0x0, 0x6, @multicast}, 0x14) sendto$inet6(r2, &(0x7f0000847fff)='X', 0x34000, 0xfec0000000000000, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) 18:02:56 executing program 5: prctl$PR_SCHED_CORE(0x3e, 0x1, 0x0, 0x2, 0x0) r0 = syz_open_dev$sndmidi(&(0x7f0000000040), 0x2, 0x141101) r1 = dup(r0) write$6lowpan_enable(r1, &(0x7f0000000000)='0', 0xfffffd2c) tkill(0x0, 0x0) syz_open_procfs(0x0, 0x0) r2 = socket$inet6_sctp(0xa, 0x5, 0x84) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r2, 0x84, 0x9, &(0x7f0000000580)={0x0, @in={{0x2, 0x0, @empty}}, 0x0, 0x0, 0x3fc, 0x0, 0x32}, 0x9c) bind$packet(0xffffffffffffffff, &(0x7f0000000140)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @multicast}, 0x14) close_range(0xffffffffffffffff, 0xffffffffffffffff, 0x0) sendto$inet6(r2, &(0x7f0000847fff)='X', 0x34000, 0x0, &(0x7f000005ffe4)={0xa, 0x0, 0x0, @loopback}, 0x1c) (fail_nth: 45) 18:02:56 executing program 1: prctl$PR_SCHED_CORE(0x3e, 0x1, 0x0, 0x2, 0x0) r0 = syz_open_dev$sndmidi(&(0x7f0000000040), 0x2, 0x141101) r1 = dup(r0) write$6lowpan_enable(r1, &(0x7f0000000000)='0', 0xfffffd2c) syz_open_procfs(0x0, &(0x7f0000000080)='net/dev\x00') r2 = socket$inet6_sctp(0xa, 0x5, 0x84) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r2, 0x84, 0x9, &(0x7f0000000580)={0x0, @in={{0x2, 0x0, @empty}}, 0x0, 0x0, 0x3fc, 0x0, 0x32}, 0x9c) bind$packet(0xffffffffffffffff, &(0x7f0000000140)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @multicast}, 0x14) sendto$inet6(r2, &(0x7f0000847fff)='X', 0x34000, 0x0, &(0x7f000005ffe4)={0xa, 0x0, 0x0, @loopback}, 0x1c) (fail_nth: 40) 18:02:56 executing program 0: syz_open_dev$sndmidi(0x0, 0x2, 0x141101) r0 = dup(0xffffffffffffffff) write$6lowpan_enable(r0, &(0x7f0000000000)='0', 0xfffffd2c) syz_open_procfs(0x0, &(0x7f0000000080)='net/dev\x00') r1 = socket$inet6_sctp(0xa, 0x5, 0x84) sendmsg$nl_route(0xffffffffffffffff, 0x0, 0x0) close_range(0xffffffffffffffff, 0xffffffffffffffff, 0x0) sendto$inet6(r1, &(0x7f0000847fff)='X', 0x34000, 0x20000000, &(0x7f000005ffe4)={0xa, 0x0, 0x0, @loopback}, 0x1c) 18:02:56 executing program 2: prctl$PR_SCHED_CORE(0x3e, 0x1, 0x0, 0x2, 0x0) r0 = syz_open_dev$sndmidi(&(0x7f0000000040), 0x2, 0x141101) r1 = dup(r0) write$6lowpan_enable(r1, 0x0, 0x0) syz_open_procfs(0x0, &(0x7f0000000080)='net/dev\x00') r2 = socket$inet6_sctp(0xa, 0x5, 0x84) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r2, 0x84, 0x9, &(0x7f0000000580)={0x0, @in={{0x2, 0x0, @empty}}, 0x0, 0x0, 0x3fc, 0x0, 0x32}, 0x9c) bind$packet(0xffffffffffffffff, &(0x7f0000000140)={0x11, 0xf0, 0x0, 0x1, 0x0, 0x6, @multicast}, 0x14) sendto$inet6(r2, &(0x7f0000847fff)='X', 0x34000, 0xff00000000000000, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) 18:02:56 executing program 3: r0 = dup(0xffffffffffffffff) write$6lowpan_enable(r0, &(0x7f0000000000)='0', 0xfffffd2c) r1 = socket$inet6_sctp(0xa, 0x5, 0x84) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r1, 0x84, 0x9, &(0x7f0000000580)={0x0, @in={{0x2, 0x0, @empty}}, 0x0, 0x0, 0x3fc, 0x0, 0x32}, 0x9c) bind$packet(0xffffffffffffffff, &(0x7f0000000140)={0x11, 0xf0, 0x0, 0x1, 0x0, 0x6, @multicast}, 0x14) sendto$inet6(r1, &(0x7f0000847fff)='X', 0x34000, 0x2c01, &(0x7f000005ffe4)={0xa, 0x0, 0x0, @loopback}, 0x1c) 18:02:56 executing program 0: syz_open_dev$sndmidi(0x0, 0x2, 0x141101) r0 = dup(0xffffffffffffffff) write$6lowpan_enable(r0, &(0x7f0000000000)='0', 0xfffffd2c) syz_open_procfs(0x0, &(0x7f0000000080)='net/dev\x00') r1 = socket$inet6_sctp(0xa, 0x5, 0x84) sendmsg$nl_route(0xffffffffffffffff, 0x0, 0x0) close_range(0xffffffffffffffff, 0xffffffffffffffff, 0x0) sendto$inet6(r1, &(0x7f0000847fff)='X', 0x34000, 0x2c010000, &(0x7f000005ffe4)={0xa, 0x0, 0x0, @loopback}, 0x1c) 18:02:56 executing program 2: prctl$PR_SCHED_CORE(0x3e, 0x1, 0x0, 0x2, 0x0) r0 = syz_open_dev$sndmidi(&(0x7f0000000040), 0x2, 0x141101) r1 = dup(r0) write$6lowpan_enable(r1, 0x0, 0x0) syz_open_procfs(0x0, &(0x7f0000000080)='net/dev\x00') r2 = socket$inet6_sctp(0xa, 0x5, 0x84) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r2, 0x84, 0x9, &(0x7f0000000580)={0x0, @in={{0x2, 0x0, @empty}}, 0x0, 0x0, 0x3fc, 0x0, 0x32}, 0x9c) bind$packet(0xffffffffffffffff, &(0x7f0000000140)={0x11, 0xf0, 0x0, 0x1, 0x0, 0x6, @multicast}, 0x14) sendto$inet6(r2, &(0x7f0000847fff)='X', 0x34000, 0xffffffff00000000, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) 18:02:56 executing program 0: syz_open_dev$sndmidi(0x0, 0x2, 0x141101) r0 = dup(0xffffffffffffffff) write$6lowpan_enable(r0, &(0x7f0000000000)='0', 0xfffffd2c) syz_open_procfs(0x0, &(0x7f0000000080)='net/dev\x00') r1 = socket$inet6_sctp(0xa, 0x5, 0x84) sendmsg$nl_route(0xffffffffffffffff, 0x0, 0x0) close_range(0xffffffffffffffff, 0xffffffffffffffff, 0x0) sendto$inet6(r1, &(0x7f0000847fff)='X', 0x34000, 0x3f000000, &(0x7f000005ffe4)={0xa, 0x0, 0x0, @loopback}, 0x1c) 18:02:56 executing program 2: prctl$PR_SCHED_CORE(0x3e, 0x1, 0x0, 0x2, 0x0) r0 = syz_open_dev$sndmidi(&(0x7f0000000040), 0x2, 0x141101) r1 = dup(r0) write$6lowpan_enable(r1, 0x0, 0x0) syz_open_procfs(0x0, &(0x7f0000000080)='net/dev\x00') r2 = socket$inet6_sctp(0xa, 0x5, 0x84) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r2, 0x84, 0x9, &(0x7f0000000580)={0x0, @in={{0x2, 0x0, @empty}}, 0x0, 0x0, 0x3fc, 0x0, 0x32}, 0x9c) bind$packet(0xffffffffffffffff, &(0x7f0000000140)={0x11, 0xf0, 0x0, 0x1, 0x0, 0x6, @multicast}, 0x14) sendto$inet6(r2, &(0x7f0000847fff)='X', 0x34000, 0x0, &(0x7f000005ffe4)={0x2, 0x4e23, 0x0, @loopback}, 0x1c)