mes 0 [ 941.187304][T28243] CPU: 1 PID: 28243 Comm: syz-executor.0 Not tainted 5.4.0-syzkaller #0 [ 941.195679][T28243] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 941.205812][T28243] Call Trace: [ 941.209120][T28243] dump_stack+0x11d/0x181 [ 941.213497][T28243] should_fail.cold+0xa/0x1a [ 941.218163][T28243] should_fail_alloc_page+0x50/0x60 [ 941.223454][T28243] __alloc_pages_nodemask+0xd2/0x310 [ 941.228888][T28243] alloc_pages_current+0xd1/0x170 [ 941.233933][T28243] push_pipe+0x280/0x3d0 [ 941.238184][T28243] iov_iter_get_pages_alloc+0x4b2/0x9e0 [ 941.243880][T28243] default_file_splice_read+0xc3/0x560 [ 941.249353][T28243] ? aa_file_perm+0x1f1/0x8a0 [ 941.255217][T28243] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 941.261482][T28243] ? fsnotify+0x6a9/0x7d0 [ 941.265842][T28243] ? common_file_perm+0x19e/0x390 [ 941.270884][T28243] ? security_file_permission+0x88/0x280 [ 941.276527][T28243] do_splice_to+0xf2/0x130 [ 941.281026][T28243] ? iter_file_splice_write+0x7f0/0x7f0 [ 941.286573][T28243] ? iter_file_splice_write+0x7f0/0x7f0 [ 941.292228][T28243] splice_direct_to_actor+0x1a1/0x510 [ 941.297614][T28243] ? generic_pipe_buf_nosteal+0x20/0x20 [ 941.303172][T28243] do_splice_direct+0x161/0x1e0 [ 941.308055][T28243] do_sendfile+0x384/0x7f0 [ 941.312524][T28243] __x64_sys_sendfile64+0xbe/0x140 [ 941.317637][T28243] do_syscall_64+0xcc/0x370 [ 941.322143][T28243] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 941.328080][T28243] RIP: 0033:0x45a679 [ 941.332035][T28243] Code: ad b6 fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 0f 83 7b b6 fb ff c3 66 2e 0f 1f 84 00 00 00 00 [ 941.351635][T28243] RSP: 002b:00007f58c9359c78 EFLAGS: 00000246 ORIG_RAX: 0000000000000028 [ 941.360125][T28243] RAX: ffffffffffffffda RBX: 00007f58c9359c90 RCX: 000000000045a679 [ 941.368094][T28243] RDX: 0000000020000240 RSI: 0000000000000006 RDI: 0000000000000005 [ 941.376061][T28243] RBP: 000000000075bf20 R08: 0000000000000000 R09: 0000000000000000 10:46:35 executing program 4: r0 = socket$kcm(0x2b, 0x8000000000001, 0x0) ioctl$PERF_EVENT_IOC_ENABLE(r0, 0x8912, 0x400200) r1 = socket$inet6(0xa, 0x3, 0x6) setsockopt$inet6_IPV6_FLOWLABEL_MGR(r1, 0x29, 0x23, &(0x7f0000000300)={@mcast2, 0x10000, 0x0, 0x102, 0x8000003}, 0x20) 10:46:35 executing program 2: r0 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f00000000c0)='memory.events\x00', 0x26e1, 0x0) r1 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000100)='memory.events\x00', 0x7a05, 0x1700) write$cgroup_subtree(r0, &(0x7f0000000600)=ANY=[@ANYPTR64], 0xfe9d) ioctl$FS_IOC_RESVSP(r0, 0x40305828, &(0x7f00000001c0)={0x0, 0x0, 0x0, 0xcf}) ioctl$FS_IOC_RESVSP(r1, 0x40305828, &(0x7f0000000180)={0x0, 0x0, 0xae15, 0xd8a}) ioctl$FS_IOC_SETFLAGS(r1, 0x40086602, &(0x7f0000000080)=0x9) socketpair$unix(0x1, 0x1, 0x0, &(0x7f0000000180)={0xffffffffffffffff, 0xffffffffffffffff}) r3 = socket$inet6_dccp(0xa, 0x6, 0x0) getsockopt$inet6_int(r3, 0x29, 0x3c, 0x0, &(0x7f00000015c0)) sendmsg$inet6(r3, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000500)=[{&(0x7f0000000200)="cb716accaee3224fdeb686a400bf91faf0712c0d59470074d32a57629a8298ecfb038c32dd16ad0ad61db9e3906ed8b393feab659bab0567ca5f602e742b56e187f60d85191067c0772d03b0185ebc6906a398", 0x53}, {&(0x7f0000000280)="d041553b8b40e57f578f19158b6f1c1c90776faa38e2d5cf2a57a860a7d3ec9e15660b1c86432b25f9601137cf67b1b6e3a1d77ced363106325a69b56ef1891c81189efacc43f5d94b382ad9d7ef53fa989aa862c55d8283c745792a0f429eb0bfd5d55d9d0cbdd60331e5a4342d1111a4a22dc464b58c1b345ea65f549c484a9a0d7e6e15b357490abd460ce589727d41d4c9dd9a9d160a", 0x98}, {&(0x7f0000000040)="9233f5e7658e6804a8f3fe5628935b6f8c7fa1dd", 0x14}, {&(0x7f0000000340)="70901aff92e089c073f4aa8f747e2645673a97850163ae2ec9f9a542f55da579e1bc355683e312e980350a41ff3e41d50e746e4e2ea473916f82fd4ff48f3a0c539a5cb5b1d67f743d366076549ee502694cac0f07302697b97136ea8a9419b46dda9a4607ea58981f7b0498dc6a92f8b6a1bade0e51eb2c8e6d48b0aa34ba8515761b32b8af02b453253b5c", 0x8c}, {&(0x7f0000000400)="95e0acf3ce97eef841307633e00e7a75928438cef4948933fc750d0f9a2a52808270a5d327761fa59b89bad295bff6d46fe4ae581f586d950133227c8d9ca323a0436bbe7fe44b1b2ad4844cbadf1e288d2f295730abf77e175a66ee2d1792a04eeb65707ec722dac06fb3eb9db526bb", 0x70}, {&(0x7f0000000480)="727ee9dd0a1a517a92d13cbc2be736ab1fdce5c6ea4fd62beba60a06e5b2c19984b3e2d83f3310add7440fbb5658447705dfd8376ca6ed243327ae0299895162a7c65ee2115f", 0x46}], 0x6}, 0x0) r4 = dup(r2) ioctl$PERF_EVENT_IOC_ENABLE(r4, 0x8912, 0x400200) fcntl$dupfd(0xffffffffffffffff, 0x0, 0xffffffffffffffff) write$cgroup_pid(r1, &(0x7f0000000000), 0xfffffea6) 10:46:35 executing program 5: r0 = socket$kcm(0x10, 0x2, 0x10) socket$kcm(0x29, 0x5daf4dd391069856, 0x0) sendmsg$kcm(r0, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000040)=[{&(0x7f0000000300)="1400000013000507ed008064d20010002e000080", 0x14}], 0x1}, 0x0) syz_mount_image$jfs(&(0x7f0000000080)='jfs\x00', &(0x7f00000000c0)='./file0\x00', 0x100000000, 0x2, &(0x7f00000001c0)=[{&(0x7f0000000100)="797f6a2f2b2e6a398dfcd8112a76152ad5611c8ad6783abe69c4f064a7bd16438e8e10cbf693f49d8e60ee2ec8140f099bb187b2ba056c2f05e0729f44f7686130d34e6cdd97551ffcc746dc5624344a1bb5d24f4b668a12081cd533029c9d7a5e29d03ad3804dac8211755cbeff715df6dd817c44dd21c7290036135f0bc8c9343a90ff20c66f08a2bb887dad26d4a13b45d5c7c90f07effcddac58815520e4034d610e44ac55bc84bb91697efbc8977306634fb327e4eca9baddafb2a0d8", 0xbf, 0x341}, {&(0x7f0000000340)="5781fcdf20afcc12e237db85dbd63935deb2c585bd75832c78f47cfeb109106ea85b0f09cbeca265325ed03abe839bfb4edeef2cdfe194d1c87cdb0beae8055c87bf2bef6e673cd9156bab0bd42fa988623f911219dbe407d1d896652ab4c2f51fe0cc6ac40c2db327991db8174b35f182a66bacc1902a14e3e74258eeebb50831f7f7ff622eac6c823bec4bbc5efefa3e00cfd32b2af6defd1ad075eaf52414584bb720ef7e7a15cb8f0e68728c99065ea08cc0d8fb610a3635391fcc48a11ac9c1f24638808e85a1de9ad0bb969256dd9b3e4139b14c3f8edbb52a7b15d1286a66cbe47e92921197b7c080739c83d54d4c670bf50b3dc971", 0xf9}], 0x10000, &(0x7f0000000200)={[{@iocharset={'iocharset', 0x3d, 'macroman'}}, {@usrquota='usrquota'}, {@usrquota='usrquota'}, {@errors_remount='errors=remount-ro'}, {@nodiscard='nodiscard'}], [{@uid_eq={'uid'}}, {@mask={'mask', 0x3d, 'MAY_WRITE'}}]}) r1 = socket$kcm(0x2b, 0x8000000000001, 0x0) ioctl$PERF_EVENT_IOC_ENABLE(r1, 0x8912, 0x400200) r2 = openat$vcs(0xffffffffffffff9c, &(0x7f0000000000)='/dev/vcs\x00', 0x0, 0x0) r3 = socket$nl_generic(0x10, 0x3, 0x10) poll(&(0x7f0000000040)=[{r2}, {r1}, {r3}], 0x3, 0x6) setsockopt$CAN_RAW_LOOPBACK(r2, 0x65, 0x3, &(0x7f0000000000), 0x4) 10:46:35 executing program 3: mknod(&(0x7f0000000040)='./bus\x00', 0x2000000000001003, 0x0) r0 = open(&(0x7f0000000100)='./bus\x00', 0x20000000000b04, 0x0) r1 = epoll_create(0x7) epoll_ctl$EPOLL_CTL_ADD(r1, 0x1, r0, &(0x7f00000001c0)) r2 = socket$kcm(0x2b, 0x8000000000001, 0x0) ioctl$PERF_EVENT_IOC_ENABLE(r2, 0x8912, 0x400200) r3 = openat$vcs(0xffffffffffffff9c, &(0x7f0000000000)='/dev/vcs\x00', 0x0, 0x0) r4 = socket$nl_generic(0x10, 0x3, 0x10) poll(&(0x7f0000000040)=[{}, {r2}, {r4}], 0x3, 0x6) r5 = socket(0x2000000000000021, 0x2, 0x10000000000002) connect$rxrpc(r5, &(0x7f0000000140)=@in4={0x21, 0x0, 0x2, 0x10, {0x2, 0x0, @rand_addr=0xdd}}, 0x24) sendmmsg(r5, &(0x7f0000005c00)=[{{0x0, 0xfffffffffffffd95, 0x0, 0x0, &(0x7f0000000000)=ANY=[@ANYBLOB="18000800000000001001000001000000ec00000000000000"], 0x18}}], 0x1, 0x0) r6 = socket$inet6(0xa, 0x3, 0x6) mmap(&(0x7f0000ffd000/0x2000)=nil, 0x2000, 0x8, 0x810, r6, 0x0) setsockopt$inet6_IPV6_FLOWLABEL_MGR(r6, 0x29, 0x20, &(0x7f0000000080)={@loopback, 0x800, 0x0, 0x100000003, 0x1, 0x0, 0x0, 0x400000000}, 0x20) setsockopt$inet6_IPV6_FLOWLABEL_MGR(r6, 0x29, 0x20, &(0x7f0000000300)={@mcast2, 0x10000, 0x0, 0x102, 0x8000003}, 0x20) setsockopt$inet6_IPV6_FLOWLABEL_MGR(r6, 0x29, 0x20, &(0x7f0000000040)={@loopback, 0x0, 0x0, 0x1, 0x3}, 0x20) connect$inet6(r6, &(0x7f0000000500)={0xa, 0x0, 0x40f7, @mcast2, 0x7ff}, 0x9) r7 = syz_open_procfs(0x0, &(0x7f0000000600)='net/ip6_flowlabel\x00n\xc01\x14\x894X\xed\xc1\xc9\xd8\xdcK\r\x8d\xae\x98&@\xd0\xe6\xbbQ\xd7\xffYn\x1c\x92\xde\x0e\xaa1\x91\x98\xe9\x1f\nMCi|+\xcdw\xf0\x176Z\xf1`\xac\xf3;\xd6d2\xeb\xe5\f\x0e\x8b\xda\xf7\xfc9\xfe\xff4\xef\'\xa19q\x93\"\x7fG3\xc1E\xe6e6\xc6\xc2u\x11% \xe7+0\x97\x84;\\\xda\xc4\x80\xc3\xb18N\xbfY%\x05\xf8\x85\x89\xfc\xd2\xd7') sendfile(r6, r7, &(0x7f0000000240)=0x202, 0x4000000000dc) r8 = syz_genetlink_get_family_id$nbd(&(0x7f0000000140)='nbd\x00') ioctl$KVM_S390_UCAS_UNMAP(r7, 0x4018ae51, &(0x7f00000000c0)={0x8000, 0x7ff, 0x2}) sendmsg$NBD_CMD_RECONFIGURE(r7, &(0x7f0000000200)={&(0x7f0000000100)={0x10, 0x0, 0x0, 0x80}, 0xc, &(0x7f00000001c0)={&(0x7f0000000180)={0x1ce, r8, 0xc05, 0x70bd29, 0x25dfdbff}, 0x14}, 0x1, 0x0, 0x0, 0x4}, 0x84) sendmsg$NBD_CMD_STATUS(r5, &(0x7f00000002c0)={&(0x7f0000000180)={0x10, 0x0, 0x0, 0x1000000}, 0xc, &(0x7f0000000280)={&(0x7f00000001c0)={0x28, r8, 0x10, 0x70bd25, 0x25dfdbfb, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x5}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x28}, 0x1, 0x0, 0x0, 0x8b29ba74f3c49941}, 0x4044) r9 = openat$audio(0xffffffffffffff9c, &(0x7f0000003500)='/dev/audio\x00', 0x200000, 0x0) r10 = socket$kcm(0x2b, 0x8000000000001, 0x0) ioctl$PERF_EVENT_IOC_ENABLE(r10, 0x8912, 0x400200) r11 = openat$vcs(0xffffffffffffff9c, &(0x7f0000000000)='/dev/vcs\x00', 0x0, 0x0) r12 = socket$nl_generic(0x10, 0x3, 0x10) poll(&(0x7f0000000040)=[{r11}, {r10}, {r12}], 0x3, 0x6) sendmsg$NBD_CMD_CONNECT(r3, &(0x7f0000003600)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x80}, 0xc, &(0x7f00000035c0)={&(0x7f0000003540)={0x54, r8, 0x300, 0x70bd2b, 0x25dfdbfe, {}, [@NBD_ATTR_SOCKETS={0x2c, 0x7, [{0x8, 0x1, r9}, {0x8, 0x1, r11}, {0x8, 0x1, r0}, {0x8}, {0x8, 0x1, r0}]}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}]}, 0x54}, 0x1, 0x0, 0x0, 0x80000c0}, 0x4000000) [ 941.384036][T28243] R10: 00004000000000dc R11: 0000000000000246 R12: 00007f58c935a6d4 [ 941.392010][T28243] R13: 00000000004c8652 R14: 00000000004df368 R15: 0000000000000007 10:46:36 executing program 4: r0 = socket$kcm(0x2b, 0x8000000000001, 0x0) ioctl$PERF_EVENT_IOC_ENABLE(r0, 0x8912, 0x400200) r1 = socket$inet6(0xa, 0x3, 0x6) setsockopt$inet6_IPV6_FLOWLABEL_MGR(r1, 0x29, 0x24, &(0x7f0000000300)={@mcast2, 0x10000, 0x0, 0x102, 0x8000003}, 0x20) 10:46:36 executing program 1: r0 = perf_event_open(&(0x7f0000940000)={0x2, 0x70, 0xfffffffffffffffd, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}}, 0x0, 0x0, 0xffffffffffffffff, 0x0) mmap(&(0x7f00004da000/0x1000)=nil, 0x1000, 0x0, 0x4000012, r0, 0x0) mincore(&(0x7f00003fa000/0x200000)=nil, 0x200124, &(0x7f0000000000)=""/222) 10:46:36 executing program 0 (fault-call:6 fault-nth:17): mknod(&(0x7f0000000040)='./bus\x00', 0x2000000000001003, 0x0) open(&(0x7f0000000100)='./bus\x00', 0x20000000000b04, 0x0) r0 = socket$kcm(0x2b, 0x8000000000001, 0x0) ioctl$PERF_EVENT_IOC_ENABLE(r0, 0x8912, 0x400200) r1 = socket$inet6(0xa, 0x3, 0x6) r2 = syz_open_procfs(0x0, &(0x7f0000000600)='net/ip6_flowlabel\x00n\xc01\x14\x894X\xed\xc1\xc9\xd8\xdcK\r\x8d\xae\x98&@\xd0\xe6\xbbQ\xd7\xffYn\x1c\x92\xde\x0e\xaa1\x91\x98\xe9\x1f\nMCi|+\xcdw\xf0\x176Z\xf1`\xac\xf3;\xd6d2\xeb\xe5\f\x0e\x8b\xda\xf7\xfc9\xfe\xff4\xef\'\xa19q\x93\"\x7fG3\xc1E\xe6e6\xc6\xc2u\x11% \xe7+0\x97\x84;\\\xda\xc4\x80\xc3\xb18N\xbfY%\x05\xf8\x85\x89\xfc\xd2\xd7') sendfile(r1, r2, &(0x7f0000000240)=0x202, 0x4000000000dc) [ 941.565607][T28563] jfs: Unrecognized mount option "mask=MAY_WRITE" or missing value 10:46:36 executing program 3: mknod(&(0x7f0000000040)='./bus\x00', 0x2000000000001003, 0x0) r0 = open(&(0x7f0000000100)='./bus\x00', 0x20000000000b04, 0x0) r1 = epoll_create(0x7) epoll_ctl$EPOLL_CTL_ADD(r1, 0x1, r0, &(0x7f00000001c0)) r2 = socket$kcm(0x2b, 0x8000000000001, 0x0) ioctl$PERF_EVENT_IOC_ENABLE(r2, 0x8912, 0x400200) r3 = openat$vcs(0xffffffffffffff9c, &(0x7f0000000000)='/dev/vcs\x00', 0x0, 0x0) r4 = socket$nl_generic(0x10, 0x3, 0x10) poll(&(0x7f0000000040)=[{}, {r2}, {r4}], 0x3, 0x6) r5 = socket(0x2000000000000021, 0x2, 0x10000000000002) connect$rxrpc(r5, &(0x7f0000000140)=@in4={0x21, 0x0, 0x2, 0x10, {0x2, 0x0, @rand_addr=0xdd}}, 0x24) sendmmsg(r5, &(0x7f0000005c00)=[{{0x0, 0xfffffffffffffd95, 0x0, 0x0, &(0x7f0000000000)=ANY=[@ANYBLOB="18000800000000001001000001000000ec00000000000000"], 0x18}}], 0x1, 0x0) r6 = socket$inet6(0xa, 0x3, 0x6) mmap(&(0x7f0000ffd000/0x2000)=nil, 0x2000, 0x8, 0x810, r6, 0x0) setsockopt$inet6_IPV6_FLOWLABEL_MGR(r6, 0x29, 0x20, &(0x7f0000000080)={@loopback, 0x800, 0x0, 0x100000003, 0x1, 0x0, 0x0, 0x400000000}, 0x20) setsockopt$inet6_IPV6_FLOWLABEL_MGR(r6, 0x29, 0x20, &(0x7f0000000300)={@mcast2, 0x10000, 0x0, 0x102, 0x8000003}, 0x20) setsockopt$inet6_IPV6_FLOWLABEL_MGR(r6, 0x29, 0x20, &(0x7f0000000040)={@loopback, 0x0, 0x0, 0x1, 0x3}, 0x20) connect$inet6(r6, &(0x7f0000000500)={0xa, 0x0, 0x40f7, @mcast2, 0x7ff}, 0x9) r7 = syz_open_procfs(0x0, &(0x7f0000000600)='net/ip6_flowlabel\x00n\xc01\x14\x894X\xed\xc1\xc9\xd8\xdcK\r\x8d\xae\x98&@\xd0\xe6\xbbQ\xd7\xffYn\x1c\x92\xde\x0e\xaa1\x91\x98\xe9\x1f\nMCi|+\xcdw\xf0\x176Z\xf1`\xac\xf3;\xd6d2\xeb\xe5\f\x0e\x8b\xda\xf7\xfc9\xfe\xff4\xef\'\xa19q\x93\"\x7fG3\xc1E\xe6e6\xc6\xc2u\x11% \xe7+0\x97\x84;\\\xda\xc4\x80\xc3\xb18N\xbfY%\x05\xf8\x85\x89\xfc\xd2\xd7') sendfile(r6, r7, &(0x7f0000000240)=0x202, 0x4000000000dc) r8 = syz_genetlink_get_family_id$nbd(&(0x7f0000000140)='nbd\x00') ioctl$KVM_S390_UCAS_UNMAP(r7, 0x4018ae51, &(0x7f00000000c0)={0x8000, 0x7ff, 0x2}) sendmsg$NBD_CMD_RECONFIGURE(r7, &(0x7f0000000200)={&(0x7f0000000100)={0x10, 0x0, 0x0, 0x80}, 0xc, &(0x7f00000001c0)={&(0x7f0000000180)={0x1ce, r8, 0xc05, 0x70bd29, 0x25dfdbff}, 0x14}, 0x1, 0x0, 0x0, 0x4}, 0x84) sendmsg$NBD_CMD_STATUS(r5, &(0x7f00000002c0)={&(0x7f0000000180)={0x10, 0x0, 0x0, 0x1000000}, 0xc, &(0x7f0000000280)={&(0x7f00000001c0)={0x28, r8, 0x10, 0x70bd25, 0x25dfdbfb, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x5}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x28}, 0x1, 0x0, 0x0, 0x8b29ba74f3c49941}, 0x4044) r9 = openat$audio(0xffffffffffffff9c, &(0x7f0000003500)='/dev/audio\x00', 0x200000, 0x0) r10 = socket$kcm(0x2b, 0x8000000000001, 0x0) ioctl$PERF_EVENT_IOC_ENABLE(r10, 0x8912, 0x400200) r11 = openat$vcs(0xffffffffffffff9c, &(0x7f0000000000)='/dev/vcs\x00', 0x0, 0x0) r12 = socket$nl_generic(0x10, 0x3, 0x10) poll(&(0x7f0000000040)=[{r11}, {r10}, {r12}], 0x3, 0x6) sendmsg$NBD_CMD_CONNECT(r3, &(0x7f0000003600)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x80}, 0xc, &(0x7f00000035c0)={&(0x7f0000003540)={0x54, r8, 0x300, 0x70bd2b, 0x25dfdbfe, {}, [@NBD_ATTR_SOCKETS={0x2c, 0x7, [{0x8, 0x1, r9}, {0x8, 0x1, r11}, {0x8, 0x1, r0}, {0x8}, {0x8, 0x1, r0}]}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}]}, 0x54}, 0x1, 0x0, 0x0, 0x80000c0}, 0x4000000) 10:46:36 executing program 2: r0 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f00000000c0)='memory.events\x00', 0x26e1, 0x0) r1 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000100)='memory.events\x00', 0x7a05, 0x1700) write$cgroup_subtree(r0, &(0x7f0000000600)=ANY=[@ANYPTR64], 0xfe9d) r2 = socket$inet6_dccp(0xa, 0x6, 0x0) getsockopt$inet6_int(r2, 0x29, 0x3c, 0x0, &(0x7f00000015c0)) ioctl$FS_IOC_RESVSP(r2, 0x40305828, &(0x7f00000001c0)={0x0, 0x0, 0x9, 0x2}) ioctl$FS_IOC_RESVSP(r1, 0x40305828, &(0x7f0000000180)={0x0, 0x0, 0xae15, 0xd8a}) ioctl$FS_IOC_SETFLAGS(r1, 0x40086602, &(0x7f0000000080)=0x9) socketpair$unix(0x1, 0x1, 0x0, &(0x7f0000000180)={0xffffffffffffffff, 0xffffffffffffffff}) r4 = dup(r3) ioctl$PERF_EVENT_IOC_ENABLE(r4, 0x8912, 0x400200) fcntl$dupfd(0xffffffffffffffff, 0x0, 0xffffffffffffffff) write$cgroup_pid(r1, &(0x7f0000000000), 0xfffffea6) 10:46:36 executing program 4: r0 = socket$kcm(0x2b, 0x8000000000001, 0x0) ioctl$PERF_EVENT_IOC_ENABLE(r0, 0x8912, 0x400200) r1 = socket$inet6(0xa, 0x3, 0x6) setsockopt$inet6_IPV6_FLOWLABEL_MGR(r1, 0x29, 0x2a, &(0x7f0000000300)={@mcast2, 0x10000, 0x0, 0x102, 0x8000003}, 0x20) 10:46:36 executing program 5: r0 = socket$kcm(0x10, 0x2, 0x10) r1 = socket$kcm(0x2b, 0x8000000000001, 0x0) ioctl$PERF_EVENT_IOC_ENABLE(r1, 0x8912, 0x400200) r2 = socket$nl_generic(0x10, 0x3, 0x10) poll(&(0x7f0000000040)=[{}, {r1}, {r2}], 0x3, 0x6) ioctl$VIDIOC_ENUMINPUT(0xffffffffffffffff, 0xc050561a, &(0x7f0000000080)={0x800, "049d5b661bcd1cdedcc4b095e7b2cc60bcdf87fc7dbbee69d99a6e304c57271a", 0x1, 0xc9, 0x0, 0xc2013ac3c1905a9b, 0x1000c20, 0x2}) r3 = openat$vcs(0xffffffffffffff9c, &(0x7f0000000540)='/dev/vcs\x00', 0x20040, 0x0) ioctl$sock_inet_tcp_SIOCATMARK(r3, 0x8905, &(0x7f0000000580)) sendmsg$kcm(r0, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000040)=[{&(0x7f0000000300)="1400000013000507ed008064d20010002e000080", 0x14}], 0x100b}, 0x0) [ 941.846434][T28683] FAULT_INJECTION: forcing a failure. [ 941.846434][T28683] name fail_page_alloc, interval 1, probability 0, space 0, times 0 [ 941.912021][T28683] CPU: 1 PID: 28683 Comm: syz-executor.0 Not tainted 5.4.0-syzkaller #0 [ 941.920388][T28683] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 941.930482][T28683] Call Trace: [ 941.933970][T28683] dump_stack+0x11d/0x181 [ 941.938411][T28683] should_fail.cold+0xa/0x1a [ 941.943058][T28683] should_fail_alloc_page+0x50/0x60 [ 941.948324][T28683] __alloc_pages_nodemask+0xd2/0x310 [ 941.953669][T28683] alloc_pages_current+0xd1/0x170 10:46:36 executing program 1: r0 = perf_event_open(&(0x7f0000940000)={0x2, 0x70, 0xfffffffffffffffd, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}}, 0x0, 0x0, 0xffffffffffffffff, 0x0) mmap(&(0x7f00004da000/0x1000)=nil, 0x1000, 0x0, 0x4000012, r0, 0x0) mincore(&(0x7f00003fa000/0x200000)=nil, 0x200125, &(0x7f0000000000)=""/222) [ 941.958715][T28683] push_pipe+0x280/0x3d0 [ 941.962977][T28683] iov_iter_get_pages_alloc+0x4b2/0x9e0 [ 941.968525][T28683] ? __udelay+0x10/0x20 [ 941.972689][T28683] default_file_splice_read+0xc3/0x560 [ 941.978156][T28683] ? aa_file_perm+0x1f1/0x8a0 [ 941.982994][T28683] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 941.989297][T28683] ? fsnotify+0x6a9/0x7d0 [ 941.993793][T28683] ? common_file_perm+0x19e/0x390 [ 941.998838][T28683] ? security_file_permission+0x88/0x280 [ 942.004530][T28683] do_splice_to+0xf2/0x130 [ 942.009019][T28683] ? iter_file_splice_write+0x7f0/0x7f0 [ 942.014566][T28683] ? iter_file_splice_write+0x7f0/0x7f0 [ 942.020116][T28683] splice_direct_to_actor+0x1a1/0x510 [ 942.025544][T28683] ? generic_pipe_buf_nosteal+0x20/0x20 [ 942.031094][T28683] do_splice_direct+0x161/0x1e0 [ 942.036046][T28683] do_sendfile+0x384/0x7f0 [ 942.040515][T28683] __x64_sys_sendfile64+0xbe/0x140 [ 942.045723][T28683] do_syscall_64+0xcc/0x370 [ 942.050240][T28683] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 942.056199][T28683] RIP: 0033:0x45a679 10:46:36 executing program 4: r0 = socket$kcm(0x2b, 0x8000000000001, 0x0) ioctl$PERF_EVENT_IOC_ENABLE(r0, 0x8912, 0x400200) r1 = socket$inet6(0xa, 0x3, 0x6) setsockopt$inet6_IPV6_FLOWLABEL_MGR(r1, 0x29, 0x2b, &(0x7f0000000300)={@mcast2, 0x10000, 0x0, 0x102, 0x8000003}, 0x20) [ 942.060096][T28683] Code: ad b6 fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 0f 83 7b b6 fb ff c3 66 2e 0f 1f 84 00 00 00 00 [ 942.079709][T28683] RSP: 002b:00007f58c9359c78 EFLAGS: 00000246 ORIG_RAX: 0000000000000028 [ 942.088124][T28683] RAX: ffffffffffffffda RBX: 00007f58c9359c90 RCX: 000000000045a679 [ 942.096168][T28683] RDX: 0000000020000240 RSI: 0000000000000006 RDI: 0000000000000005 [ 942.104142][T28683] RBP: 000000000075bf20 R08: 0000000000000000 R09: 0000000000000000 [ 942.112169][T28683] R10: 00004000000000dc R11: 0000000000000246 R12: 00007f58c935a6d4 [ 942.120143][T28683] R13: 00000000004c8652 R14: 00000000004df368 R15: 0000000000000007 10:46:36 executing program 0 (fault-call:6 fault-nth:18): mknod(&(0x7f0000000040)='./bus\x00', 0x2000000000001003, 0x0) open(&(0x7f0000000100)='./bus\x00', 0x20000000000b04, 0x0) r0 = socket$kcm(0x2b, 0x8000000000001, 0x0) ioctl$PERF_EVENT_IOC_ENABLE(r0, 0x8912, 0x400200) r1 = socket$inet6(0xa, 0x3, 0x6) r2 = syz_open_procfs(0x0, &(0x7f0000000600)='net/ip6_flowlabel\x00n\xc01\x14\x894X\xed\xc1\xc9\xd8\xdcK\r\x8d\xae\x98&@\xd0\xe6\xbbQ\xd7\xffYn\x1c\x92\xde\x0e\xaa1\x91\x98\xe9\x1f\nMCi|+\xcdw\xf0\x176Z\xf1`\xac\xf3;\xd6d2\xeb\xe5\f\x0e\x8b\xda\xf7\xfc9\xfe\xff4\xef\'\xa19q\x93\"\x7fG3\xc1E\xe6e6\xc6\xc2u\x11% \xe7+0\x97\x84;\\\xda\xc4\x80\xc3\xb18N\xbfY%\x05\xf8\x85\x89\xfc\xd2\xd7') sendfile(r1, r2, &(0x7f0000000240)=0x202, 0x4000000000dc) 10:46:36 executing program 5: socket$kcm(0x10, 0x2, 0x10) r0 = socket$kcm(0x2b, 0x8000000000001, 0x0) ioctl$PERF_EVENT_IOC_ENABLE(r0, 0x8912, 0x400200) r1 = openat$vcs(0xffffffffffffff9c, &(0x7f0000000000)='/dev/vcs\x00', 0x0, 0x0) r2 = socket$nl_generic(0x10, 0x3, 0x10) poll(&(0x7f0000000040)=[{r1}, {r0}, {r2}], 0x3, 0x6) sendmsg$kcm(r1, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000040)=[{&(0x7f0000000000)="1400000013000507ed008064d20010002e000080", 0x14}], 0x207, 0x0, 0x4b}, 0x24068407) 10:46:36 executing program 3: mknod(&(0x7f0000000040)='./bus\x00', 0x2000000000001003, 0x0) r0 = open(&(0x7f0000000100)='./bus\x00', 0x20000000000b04, 0x0) r1 = epoll_create(0x7) epoll_ctl$EPOLL_CTL_ADD(r1, 0x1, r0, &(0x7f00000001c0)) r2 = socket$kcm(0x2b, 0x8000000000001, 0x0) ioctl$PERF_EVENT_IOC_ENABLE(r2, 0x8912, 0x400200) r3 = openat$vcs(0xffffffffffffff9c, &(0x7f0000000000)='/dev/vcs\x00', 0x0, 0x0) r4 = socket$nl_generic(0x10, 0x3, 0x10) poll(&(0x7f0000000040)=[{r3}, {r2}, {r4}], 0x3, 0x0) r5 = socket(0x2000000000000021, 0x2, 0x10000000000002) connect$rxrpc(r5, &(0x7f0000000140)=@in4={0x21, 0x0, 0x2, 0x10, {0x2, 0x0, @rand_addr=0xdd}}, 0x24) sendmmsg(r5, &(0x7f0000005c00)=[{{0x0, 0xfffffffffffffd95, 0x0, 0x0, &(0x7f0000000000)=ANY=[@ANYBLOB="18000800000000001001000001000000ec00000000000000"], 0x18}}], 0x1, 0x0) r6 = socket$inet6(0xa, 0x3, 0x6) mmap(&(0x7f0000ffd000/0x2000)=nil, 0x2000, 0x8, 0x810, r6, 0x0) setsockopt$inet6_IPV6_FLOWLABEL_MGR(r6, 0x29, 0x20, &(0x7f0000000080)={@loopback, 0x800, 0x0, 0x100000003, 0x1, 0x0, 0x0, 0x400000000}, 0x20) setsockopt$inet6_IPV6_FLOWLABEL_MGR(r6, 0x29, 0x20, &(0x7f0000000300)={@mcast2, 0x10000, 0x0, 0x102, 0x8000003}, 0x20) setsockopt$inet6_IPV6_FLOWLABEL_MGR(r6, 0x29, 0x20, &(0x7f0000000040)={@loopback, 0x0, 0x0, 0x1, 0x3}, 0x20) connect$inet6(r6, &(0x7f0000000500)={0xa, 0x0, 0x40f7, @mcast2, 0x7ff}, 0x9) r7 = syz_open_procfs(0x0, &(0x7f0000000600)='net/ip6_flowlabel\x00n\xc01\x14\x894X\xed\xc1\xc9\xd8\xdcK\r\x8d\xae\x98&@\xd0\xe6\xbbQ\xd7\xffYn\x1c\x92\xde\x0e\xaa1\x91\x98\xe9\x1f\nMCi|+\xcdw\xf0\x176Z\xf1`\xac\xf3;\xd6d2\xeb\xe5\f\x0e\x8b\xda\xf7\xfc9\xfe\xff4\xef\'\xa19q\x93\"\x7fG3\xc1E\xe6e6\xc6\xc2u\x11% \xe7+0\x97\x84;\\\xda\xc4\x80\xc3\xb18N\xbfY%\x05\xf8\x85\x89\xfc\xd2\xd7') sendfile(r6, r7, &(0x7f0000000240)=0x202, 0x4000000000dc) r8 = syz_genetlink_get_family_id$nbd(&(0x7f0000000140)='nbd\x00') ioctl$KVM_S390_UCAS_UNMAP(r7, 0x4018ae51, &(0x7f00000000c0)={0x8000, 0x7ff, 0x2}) sendmsg$NBD_CMD_RECONFIGURE(r7, &(0x7f0000000200)={&(0x7f0000000100)={0x10, 0x0, 0x0, 0x80}, 0xc, &(0x7f00000001c0)={&(0x7f0000000180)={0x1ce, r8, 0xc05, 0x70bd29, 0x25dfdbff}, 0x14}, 0x1, 0x0, 0x0, 0x4}, 0x84) sendmsg$NBD_CMD_STATUS(r5, &(0x7f00000002c0)={&(0x7f0000000180)={0x10, 0x0, 0x0, 0x1000000}, 0xc, &(0x7f0000000280)={&(0x7f00000001c0)={0x28, r8, 0x10, 0x70bd25, 0x25dfdbfb, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x5}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x28}, 0x1, 0x0, 0x0, 0x8b29ba74f3c49941}, 0x4044) r9 = openat$audio(0xffffffffffffff9c, &(0x7f0000003500)='/dev/audio\x00', 0x200000, 0x0) r10 = socket$kcm(0x2b, 0x8000000000001, 0x0) ioctl$PERF_EVENT_IOC_ENABLE(r10, 0x8912, 0x400200) r11 = openat$vcs(0xffffffffffffff9c, &(0x7f0000000000)='/dev/vcs\x00', 0x0, 0x0) r12 = socket$nl_generic(0x10, 0x3, 0x10) poll(&(0x7f0000000040)=[{r11}, {r10}, {r12}], 0x3, 0x6) sendmsg$NBD_CMD_CONNECT(r3, &(0x7f0000003600)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x80}, 0xc, &(0x7f00000035c0)={&(0x7f0000003540)={0x54, r8, 0x300, 0x70bd2b, 0x25dfdbfe, {}, [@NBD_ATTR_SOCKETS={0x2c, 0x7, [{0x8, 0x1, r9}, {0x8, 0x1, r11}, {0x8, 0x1, r0}, {0x8}, {0x8, 0x1, r0}]}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}]}, 0x54}, 0x1, 0x0, 0x0, 0x80000c0}, 0x4000000) 10:46:36 executing program 1: r0 = perf_event_open(&(0x7f0000940000)={0x2, 0x70, 0xfffffffffffffffd, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}}, 0x0, 0x0, 0xffffffffffffffff, 0x0) mmap(&(0x7f00004da000/0x1000)=nil, 0x1000, 0x0, 0x4000012, r0, 0x0) mincore(&(0x7f00003fa000/0x200000)=nil, 0x200126, &(0x7f0000000000)=""/222) 10:46:36 executing program 4: r0 = socket$kcm(0x2b, 0x8000000000001, 0x0) ioctl$PERF_EVENT_IOC_ENABLE(r0, 0x8912, 0x400200) r1 = socket$inet6(0xa, 0x3, 0x6) setsockopt$inet6_IPV6_FLOWLABEL_MGR(r1, 0x29, 0x2c, &(0x7f0000000300)={@mcast2, 0x10000, 0x0, 0x102, 0x8000003}, 0x20) [ 942.357272][T28909] FAULT_INJECTION: forcing a failure. [ 942.357272][T28909] name fail_page_alloc, interval 1, probability 0, space 0, times 0 [ 942.438222][T28909] CPU: 0 PID: 28909 Comm: syz-executor.0 Not tainted 5.4.0-syzkaller #0 [ 942.446778][T28909] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 942.446784][T28909] Call Trace: [ 942.446898][T28909] dump_stack+0x11d/0x181 [ 942.464462][T28909] should_fail.cold+0xa/0x1a [ 942.469113][T28909] should_fail_alloc_page+0x50/0x60 [ 942.474375][T28909] __alloc_pages_nodemask+0xd2/0x310 [ 942.479674][T28909] alloc_pages_current+0xd1/0x170 [ 942.484841][T28909] push_pipe+0x280/0x3d0 [ 942.489086][T28909] iov_iter_get_pages_alloc+0x4b2/0x9e0 [ 942.494652][T28909] default_file_splice_read+0xc3/0x560 [ 942.500144][T28909] ? aa_file_perm+0x1f1/0x8a0 [ 942.504898][T28909] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 942.511142][T28909] ? fsnotify+0x6a9/0x7d0 [ 942.515481][T28909] ? common_file_perm+0x19e/0x390 [ 942.520617][T28909] ? security_file_permission+0x88/0x280 [ 942.526336][T28909] do_splice_to+0xf2/0x130 [ 942.530760][T28909] ? iter_file_splice_write+0x7f0/0x7f0 [ 942.536379][T28909] ? iter_file_splice_write+0x7f0/0x7f0 [ 942.541926][T28909] splice_direct_to_actor+0x1a1/0x510 [ 942.547294][T28909] ? generic_pipe_buf_nosteal+0x20/0x20 [ 942.552847][T28909] do_splice_direct+0x161/0x1e0 [ 942.557704][T28909] do_sendfile+0x384/0x7f0 [ 942.562127][T28909] __x64_sys_sendfile64+0xbe/0x140 [ 942.567248][T28909] do_syscall_64+0xcc/0x370 [ 942.571805][T28909] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 942.577696][T28909] RIP: 0033:0x45a679 [ 942.581735][T28909] Code: ad b6 fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 0f 83 7b b6 fb ff c3 66 2e 0f 1f 84 00 00 00 00 [ 942.601338][T28909] RSP: 002b:00007f58c9359c78 EFLAGS: 00000246 ORIG_RAX: 0000000000000028 [ 942.609747][T28909] RAX: ffffffffffffffda RBX: 00007f58c9359c90 RCX: 000000000045a679 [ 942.617721][T28909] RDX: 0000000020000240 RSI: 0000000000000006 RDI: 0000000000000005 [ 942.625842][T28909] RBP: 000000000075bf20 R08: 0000000000000000 R09: 0000000000000000 10:46:36 executing program 2: r0 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f00000000c0)='memory.events\x00', 0x26e1, 0x0) r1 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000100)='memory.events\x00', 0x7a05, 0x1700) write$cgroup_subtree(r0, &(0x7f0000000600)=ANY=[@ANYPTR64], 0xfe9d) ioctl$FS_IOC_RESVSP(r0, 0x40305828, &(0x7f00000001c0)={0x0, 0x0, 0x0, 0xcf}) ioctl$FS_IOC_RESVSP(r1, 0x40305828, &(0x7f0000000180)={0x0, 0x0, 0xae15, 0xd8a}) ioctl$FS_IOC_SETFLAGS(r1, 0x40086602, &(0x7f0000000080)=0x9) socketpair$unix(0x1, 0x1, 0x0, &(0x7f0000000180)={0xffffffffffffffff, 0xffffffffffffffff}) r3 = dup(r2) ioctl$PERF_EVENT_IOC_ENABLE(r3, 0x8912, 0x400200) fcntl$dupfd(0xffffffffffffffff, 0x406, 0xffffffffffffffff) write$cgroup_pid(r1, &(0x7f0000000000), 0xfffffea6) r4 = openat$pfkey(0xffffffffffffff9c, &(0x7f0000000040)='/proc/self/net/pfkey\x00', 0x2000, 0x0) ioctl$EXT4_IOC_PRECACHE_EXTENTS(r4, 0x6612) 10:46:37 executing program 5: r0 = accept(0xffffffffffffffff, 0x0, &(0x7f0000000000)) setsockopt$SO_RDS_MSG_RXPATH_LATENCY(r0, 0x114, 0xa, &(0x7f0000000080)={0x2, "e6ac"}, 0x3) r1 = socket$kcm(0x2b, 0x8000000000001, 0x0) ioctl$PERF_EVENT_IOC_ENABLE(r1, 0x8912, 0x400200) r2 = openat$vcs(0xffffffffffffff9c, &(0x7f0000000000)='/dev/vcs\x00', 0x0, 0x0) r3 = socket$nl_generic(0x10, 0x3, 0x10) poll(&(0x7f0000000040)=[{r2}, {r1}, {r3}], 0x3, 0x6) setsockopt$netlink_NETLINK_LISTEN_ALL_NSID(r3, 0x10e, 0x8, &(0x7f00000000c0), 0x4) sendmsg$kcm(0xffffffffffffffff, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000040)=[{&(0x7f0000000300)="1400000013000507ed008064d20010002e000080", 0x14}], 0x1}, 0x0) [ 942.633814][T28909] R10: 00004000000000dc R11: 0000000000000246 R12: 00007f58c935a6d4 [ 942.641782][T28909] R13: 00000000004c8652 R14: 00000000004df368 R15: 0000000000000007 10:46:37 executing program 4: r0 = socket$kcm(0x2b, 0x8000000000001, 0x0) ioctl$PERF_EVENT_IOC_ENABLE(r0, 0x8912, 0x400200) r1 = socket$inet6(0xa, 0x3, 0x6) setsockopt$inet6_IPV6_FLOWLABEL_MGR(r1, 0x29, 0x2d, &(0x7f0000000300)={@mcast2, 0x10000, 0x0, 0x102, 0x8000003}, 0x20) 10:46:37 executing program 0 (fault-call:6 fault-nth:19): mknod(&(0x7f0000000040)='./bus\x00', 0x2000000000001003, 0x0) open(&(0x7f0000000100)='./bus\x00', 0x20000000000b04, 0x0) r0 = socket$kcm(0x2b, 0x8000000000001, 0x0) ioctl$PERF_EVENT_IOC_ENABLE(r0, 0x8912, 0x400200) r1 = socket$inet6(0xa, 0x3, 0x6) r2 = syz_open_procfs(0x0, &(0x7f0000000600)='net/ip6_flowlabel\x00n\xc01\x14\x894X\xed\xc1\xc9\xd8\xdcK\r\x8d\xae\x98&@\xd0\xe6\xbbQ\xd7\xffYn\x1c\x92\xde\x0e\xaa1\x91\x98\xe9\x1f\nMCi|+\xcdw\xf0\x176Z\xf1`\xac\xf3;\xd6d2\xeb\xe5\f\x0e\x8b\xda\xf7\xfc9\xfe\xff4\xef\'\xa19q\x93\"\x7fG3\xc1E\xe6e6\xc6\xc2u\x11% \xe7+0\x97\x84;\\\xda\xc4\x80\xc3\xb18N\xbfY%\x05\xf8\x85\x89\xfc\xd2\xd7') sendfile(r1, r2, &(0x7f0000000240)=0x202, 0x4000000000dc) 10:46:37 executing program 2: r0 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f00000000c0)='memory.stat\x00', 0x26e1, 0x0) r1 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000100)='memory.events\x00', 0x7a05, 0x1700) write$cgroup_subtree(r0, &(0x7f0000000600)=ANY=[@ANYPTR64], 0xfe9d) ioctl$FS_IOC_RESVSP(r0, 0x40305828, &(0x7f00000001c0)={0x0, 0x0, 0x0, 0xcf}) r2 = socket$inet6_dccp(0xa, 0x6, 0x0) getsockopt$inet6_int(r2, 0x29, 0x3c, 0x0, &(0x7f00000015c0)) ioctl$FS_IOC_RESVSP(r2, 0x40305828, &(0x7f0000000180)={0x0, 0x1, 0xae15, 0xd88}) ioctl$FS_IOC_SETFLAGS(r1, 0x40086602, &(0x7f0000000080)=0x9) socketpair$unix(0x1, 0x1, 0x0, &(0x7f0000000180)={0xffffffffffffffff, 0xffffffffffffffff}) ioctl$EVIOCGBITKEY(r0, 0x80404521, &(0x7f0000000300)=""/89) r4 = socket$kcm(0x2b, 0x8000000000001, 0x0) ioctl$PERF_EVENT_IOC_ENABLE(r4, 0x8912, 0x400200) r5 = openat$vcs(0xffffffffffffff9c, &(0x7f0000000000)='/dev/vcs\x00', 0x0, 0x0) r6 = socket$nl_generic(0x10, 0x3, 0x10) poll(&(0x7f0000000040)=[{r5}, {r4}, {r6}], 0x3, 0x6) setsockopt$IP_VS_SO_SET_DELDEST(r5, 0x0, 0x488, &(0x7f0000000200)={{0x3c, @rand_addr=0x1, 0x4e22, 0x0, 'lblcr\x00', 0x0, 0xcb01, 0x16}, {@empty, 0x4e24, 0x4, 0x4, 0x7, 0xfff}}, 0x44) r7 = dup(r3) ioctl$PERF_EVENT_IOC_ENABLE(r7, 0x8912, 0x400200) fcntl$dupfd(0xffffffffffffffff, 0x0, 0xffffffffffffffff) write$cgroup_pid(r1, &(0x7f0000000000), 0xfffffea6) getsockopt$EBT_SO_GET_INFO(0xffffffffffffffff, 0x0, 0x80, &(0x7f0000000280)={'filter\x00'}, &(0x7f0000000140)=0x78) 10:46:37 executing program 3: mknod(&(0x7f0000000040)='./bus\x00', 0x2000000000001003, 0x0) r0 = open(&(0x7f0000000100)='./bus\x00', 0x20000000000b04, 0x0) r1 = epoll_create(0x7) epoll_ctl$EPOLL_CTL_ADD(r1, 0x1, r0, &(0x7f00000001c0)) r2 = socket$kcm(0x2b, 0x8000000000001, 0x0) ioctl$PERF_EVENT_IOC_ENABLE(r2, 0x8912, 0x400200) r3 = openat$vcs(0xffffffffffffff9c, &(0x7f0000000000)='/dev/vcs\x00', 0x0, 0x0) r4 = socket$nl_generic(0x10, 0x3, 0x10) poll(&(0x7f0000000040)=[{r3}, {r2}, {r4}], 0x3, 0x0) r5 = socket(0x2000000000000021, 0x2, 0x10000000000002) connect$rxrpc(r5, &(0x7f0000000140)=@in4={0x21, 0x0, 0x2, 0x10, {0x2, 0x0, @rand_addr=0xdd}}, 0x24) sendmmsg(r5, &(0x7f0000005c00)=[{{0x0, 0xfffffffffffffd95, 0x0, 0x0, &(0x7f0000000000)=ANY=[@ANYBLOB="18000800000000001001000001000000ec00000000000000"], 0x18}}], 0x1, 0x0) r6 = socket$inet6(0xa, 0x3, 0x6) mmap(&(0x7f0000ffd000/0x2000)=nil, 0x2000, 0x8, 0x810, r6, 0x0) setsockopt$inet6_IPV6_FLOWLABEL_MGR(r6, 0x29, 0x20, &(0x7f0000000080)={@loopback, 0x800, 0x0, 0x100000003, 0x1, 0x0, 0x0, 0x400000000}, 0x20) setsockopt$inet6_IPV6_FLOWLABEL_MGR(r6, 0x29, 0x20, &(0x7f0000000300)={@mcast2, 0x10000, 0x0, 0x102, 0x8000003}, 0x20) setsockopt$inet6_IPV6_FLOWLABEL_MGR(r6, 0x29, 0x20, &(0x7f0000000040)={@loopback, 0x0, 0x0, 0x1, 0x3}, 0x20) connect$inet6(r6, &(0x7f0000000500)={0xa, 0x0, 0x40f7, @mcast2, 0x7ff}, 0x9) r7 = syz_open_procfs(0x0, &(0x7f0000000600)='net/ip6_flowlabel\x00n\xc01\x14\x894X\xed\xc1\xc9\xd8\xdcK\r\x8d\xae\x98&@\xd0\xe6\xbbQ\xd7\xffYn\x1c\x92\xde\x0e\xaa1\x91\x98\xe9\x1f\nMCi|+\xcdw\xf0\x176Z\xf1`\xac\xf3;\xd6d2\xeb\xe5\f\x0e\x8b\xda\xf7\xfc9\xfe\xff4\xef\'\xa19q\x93\"\x7fG3\xc1E\xe6e6\xc6\xc2u\x11% \xe7+0\x97\x84;\\\xda\xc4\x80\xc3\xb18N\xbfY%\x05\xf8\x85\x89\xfc\xd2\xd7') sendfile(r6, r7, &(0x7f0000000240)=0x202, 0x4000000000dc) r8 = syz_genetlink_get_family_id$nbd(&(0x7f0000000140)='nbd\x00') ioctl$KVM_S390_UCAS_UNMAP(r7, 0x4018ae51, &(0x7f00000000c0)={0x8000, 0x7ff, 0x2}) sendmsg$NBD_CMD_RECONFIGURE(r7, &(0x7f0000000200)={&(0x7f0000000100)={0x10, 0x0, 0x0, 0x80}, 0xc, &(0x7f00000001c0)={&(0x7f0000000180)={0x1ce, r8, 0xc05, 0x70bd29, 0x25dfdbff}, 0x14}, 0x1, 0x0, 0x0, 0x4}, 0x84) sendmsg$NBD_CMD_STATUS(r5, &(0x7f00000002c0)={&(0x7f0000000180)={0x10, 0x0, 0x0, 0x1000000}, 0xc, &(0x7f0000000280)={&(0x7f00000001c0)={0x28, r8, 0x10, 0x70bd25, 0x25dfdbfb, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x5}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x28}, 0x1, 0x0, 0x0, 0x8b29ba74f3c49941}, 0x4044) r9 = openat$audio(0xffffffffffffff9c, &(0x7f0000003500)='/dev/audio\x00', 0x200000, 0x0) r10 = socket$kcm(0x2b, 0x8000000000001, 0x0) ioctl$PERF_EVENT_IOC_ENABLE(r10, 0x8912, 0x400200) r11 = openat$vcs(0xffffffffffffff9c, &(0x7f0000000000)='/dev/vcs\x00', 0x0, 0x0) r12 = socket$nl_generic(0x10, 0x3, 0x10) poll(&(0x7f0000000040)=[{r11}, {r10}, {r12}], 0x3, 0x6) sendmsg$NBD_CMD_CONNECT(r3, &(0x7f0000003600)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x80}, 0xc, &(0x7f00000035c0)={&(0x7f0000003540)={0x54, r8, 0x300, 0x70bd2b, 0x25dfdbfe, {}, [@NBD_ATTR_SOCKETS={0x2c, 0x7, [{0x8, 0x1, r9}, {0x8, 0x1, r11}, {0x8, 0x1, r0}, {0x8}, {0x8, 0x1, r0}]}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}]}, 0x54}, 0x1, 0x0, 0x0, 0x80000c0}, 0x4000000) 10:46:37 executing program 5: r0 = socket$kcm(0x10, 0x2, 0x10) sendmsg$kcm(r0, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000040)=[{&(0x7f0000000080)="1400000013000507ed008064d20010002e000080decdcb769bc020dd27b3baff3ed84704a64b2552e6ba500ff41dd325bf39f4862a62d54f3e2df055a0e2e37807d4651ebf430fab3bf42f4fa9a6edeafd39b0cfbc68de55cf26ca16d1fe27e4c4af95ea0b21b8539f48b19277e62b8c4dcc235820b3f20ab27bf1b5dd046d28d95e2f4a4ef017d25c88", 0x8a}], 0x1}, 0x0) r1 = socket$kcm(0x2b, 0x8000000000001, 0x0) ioctl$PERF_EVENT_IOC_ENABLE(r1, 0x8912, 0x400200) r2 = openat$vcs(0xffffffffffffff9c, &(0x7f0000000000)='/dev/vcs\x00', 0x0, 0x0) r3 = socket$nl_generic(0x10, 0x3, 0x10) poll(&(0x7f0000000040)=[{r2}, {r1}, {r3}], 0x3, 0x6) ioctl$VIDIOC_S_FBUF(r2, 0x4030560b, &(0x7f0000000000)={0x4, 0x0, &(0x7f0000000140)="96ed1e0cd546134501f0c0d05c7f97f4e10b6ddc1dc450f879953ca76d73350c3be5413871ebe564bb69630946482b4b60284f76d58c46df7dbb82b894af7a24857f1574ef87302cf481ea6398f51b37592fae209fa073a5f32bfa8f33431cc88575a186999d4f723ec98bb9f83874f01aa3d88fba6a7008247127fc1df2ae18b34417092ed109a9852929465744bca946ef780cca6c3c0fc677bcb478b0564f06eafaa94cbd1231", {0x9, 0x4, 0x32525942, 0x1, 0x3, 0x8000, 0x6, 0x30}}) 10:46:37 executing program 1: r0 = perf_event_open(&(0x7f0000940000)={0x2, 0x70, 0xfffffffffffffffd, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}}, 0x0, 0x0, 0xffffffffffffffff, 0x0) mmap(&(0x7f00004da000/0x1000)=nil, 0x1000, 0x0, 0x4000012, r0, 0x0) mincore(&(0x7f00003fa000/0x200000)=nil, 0x200127, &(0x7f0000000000)=""/222) [ 942.903178][T29035] FAULT_INJECTION: forcing a failure. [ 942.903178][T29035] name failslab, interval 1, probability 0, space 0, times 0 [ 942.940714][T29035] CPU: 1 PID: 29035 Comm: syz-executor.0 Not tainted 5.4.0-syzkaller #0 [ 942.949073][T29035] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 942.959198][T29035] Call Trace: [ 942.962527][T29035] dump_stack+0x11d/0x181 [ 942.966851][T29035] should_fail.cold+0xa/0x1a [ 942.971446][T29035] __should_failslab+0xee/0x130 [ 942.976302][T29035] should_failslab+0x9/0x14 [ 942.980812][T29035] __kmalloc+0x53/0x690 [ 942.984974][T29035] ? rw_copy_check_uvector+0x241/0x270 [ 942.990585][T29035] rw_copy_check_uvector+0x241/0x270 [ 942.995902][T29035] import_iovec+0x67/0x220 [ 943.000359][T29035] vfs_readv+0x72/0xf0 [ 943.004429][T29035] ? push_pipe+0x2a0/0x3d0 [ 943.008947][T29035] ? __read_once_size.constprop.0+0x12/0x20 [ 943.014846][T29035] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 943.021090][T29035] ? iov_iter_get_pages_alloc+0x272/0x9e0 [ 943.026902][T29035] default_file_splice_read+0x329/0x560 [ 943.032460][T29035] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 943.038730][T29035] do_splice_to+0xf2/0x130 [ 943.038747][T29035] ? iter_file_splice_write+0x7f0/0x7f0 10:46:37 executing program 4: r0 = socket$kcm(0x2b, 0x8000000000001, 0x0) ioctl$PERF_EVENT_IOC_ENABLE(r0, 0x8912, 0x400200) r1 = socket$inet6(0xa, 0x3, 0x6) setsockopt$inet6_IPV6_FLOWLABEL_MGR(r1, 0x29, 0x2e, &(0x7f0000000300)={@mcast2, 0x10000, 0x0, 0x102, 0x8000003}, 0x20) [ 943.038770][T29035] ? iter_file_splice_write+0x7f0/0x7f0 [ 943.054330][T29035] splice_direct_to_actor+0x1a1/0x510 [ 943.059707][T29035] ? generic_pipe_buf_nosteal+0x20/0x20 [ 943.065310][T29035] do_splice_direct+0x161/0x1e0 [ 943.070251][T29035] do_sendfile+0x384/0x7f0 [ 943.070279][T29035] __x64_sys_sendfile64+0xbe/0x140 10:46:37 executing program 5: r0 = socket$kcm(0x10, 0x2, 0x10) sendmsg$kcm(r0, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000040)=[{&(0x7f0000000000)="14000080000000000000000000000000766e5f3f94a7d10a1416a5b000000000", 0x20}], 0x1}, 0x0) [ 943.070302][T29035] do_syscall_64+0xcc/0x370 [ 943.070329][T29035] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 943.070343][T29035] RIP: 0033:0x45a679 [ 943.070366][T29035] Code: ad b6 fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 0f 83 7b b6 fb ff c3 66 2e 0f 1f 84 00 00 00 00 [ 943.070418][T29035] RSP: 002b:00007f58c9359c78 EFLAGS: 00000246 ORIG_RAX: 0000000000000028 [ 943.070437][T29035] RAX: ffffffffffffffda RBX: 00007f58c9359c90 RCX: 000000000045a679 10:46:37 executing program 0 (fault-call:6 fault-nth:20): mknod(&(0x7f0000000040)='./bus\x00', 0x2000000000001003, 0x0) open(&(0x7f0000000100)='./bus\x00', 0x20000000000b04, 0x0) r0 = socket$kcm(0x2b, 0x8000000000001, 0x0) ioctl$PERF_EVENT_IOC_ENABLE(r0, 0x8912, 0x400200) r1 = socket$inet6(0xa, 0x3, 0x6) r2 = syz_open_procfs(0x0, &(0x7f0000000600)='net/ip6_flowlabel\x00n\xc01\x14\x894X\xed\xc1\xc9\xd8\xdcK\r\x8d\xae\x98&@\xd0\xe6\xbbQ\xd7\xffYn\x1c\x92\xde\x0e\xaa1\x91\x98\xe9\x1f\nMCi|+\xcdw\xf0\x176Z\xf1`\xac\xf3;\xd6d2\xeb\xe5\f\x0e\x8b\xda\xf7\xfc9\xfe\xff4\xef\'\xa19q\x93\"\x7fG3\xc1E\xe6e6\xc6\xc2u\x11% \xe7+0\x97\x84;\\\xda\xc4\x80\xc3\xb18N\xbfY%\x05\xf8\x85\x89\xfc\xd2\xd7') sendfile(r1, r2, &(0x7f0000000240)=0x202, 0x4000000000dc) 10:46:37 executing program 4: r0 = socket$kcm(0x2b, 0x8000000000001, 0x0) ioctl$PERF_EVENT_IOC_ENABLE(r0, 0x8912, 0x400200) r1 = socket$inet6(0xa, 0x3, 0x6) setsockopt$inet6_IPV6_FLOWLABEL_MGR(r1, 0x29, 0x2f, &(0x7f0000000300)={@mcast2, 0x10000, 0x0, 0x102, 0x8000003}, 0x20) [ 943.070447][T29035] RDX: 0000000020000240 RSI: 0000000000000006 RDI: 0000000000000005 [ 943.070458][T29035] RBP: 000000000075bf20 R08: 0000000000000000 R09: 0000000000000000 [ 943.070469][T29035] R10: 00004000000000dc R11: 0000000000000246 R12: 00007f58c935a6d4 [ 943.070550][T29035] R13: 00000000004c8652 R14: 00000000004df368 R15: 0000000000000007 10:46:37 executing program 5: r0 = socket$kcm(0x10, 0xf959070020cde6fd, 0x10) sendmsg$kcm(r0, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000040)=[{&(0x7f0000000300)="1400000013000507ed008064d20010002e000080", 0xfffffec3}], 0x1, 0x0, 0xffffffffffffffaa}, 0x0) 10:46:37 executing program 1: r0 = perf_event_open(&(0x7f0000940000)={0x2, 0x70, 0xfffffffffffffffd, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}}, 0x0, 0x0, 0xffffffffffffffff, 0x0) mmap(&(0x7f00004da000/0x1000)=nil, 0x1000, 0x0, 0x4000012, r0, 0x0) mincore(&(0x7f00003fa000/0x200000)=nil, 0x200128, &(0x7f0000000000)=""/222) [ 943.070679][ C1] net_ratelimit: 12 callbacks suppressed [ 943.070705][ C1] protocol 88fb is buggy, dev hsr_slave_0 [ 943.070737][ C1] protocol 88fb is buggy, dev hsr_slave_1 [ 943.403935][T29360] FAULT_INJECTION: forcing a failure. [ 943.403935][T29360] name failslab, interval 1, probability 0, space 0, times 0 [ 943.429376][T29360] CPU: 0 PID: 29360 Comm: syz-executor.0 Not tainted 5.4.0-syzkaller #0 [ 943.437751][T29360] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 943.447805][T29360] Call Trace: [ 943.451182][T29360] dump_stack+0x11d/0x181 [ 943.455537][T29360] should_fail.cold+0xa/0x1a [ 943.460173][T29360] __should_failslab+0xee/0x130 [ 943.465064][T29360] should_failslab+0x9/0x14 [ 943.469583][T29360] kmem_cache_alloc_node_trace+0x3b/0x670 [ 943.475358][T29360] ? __rcu_read_unlock+0x66/0x3c0 [ 943.480496][T29360] __kmalloc_node+0x38/0x50 [ 943.485082][T29360] kvmalloc_node+0x71/0x100 [ 943.489589][T29360] traverse+0x2e0/0x410 [ 943.493808][T29360] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 943.500053][T29360] ? fsnotify+0x6a9/0x7d0 [ 943.504391][T29360] seq_read+0x64a/0x960 [ 943.508546][T29360] ? common_file_perm+0x19e/0x390 [ 943.513704][T29360] ? seq_hlist_start_head_rcu+0x60/0x60 [ 943.519256][T29360] proc_reg_read+0xe9/0x140 [ 943.523769][T29360] do_iter_read+0x357/0x3d0 [ 943.528285][T29360] vfs_readv+0x9c/0xf0 [ 943.532399][T29360] ? __read_once_size.constprop.0+0x12/0x20 [ 943.538298][T29360] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 943.544541][T29360] ? iov_iter_get_pages_alloc+0x272/0x9e0 10:46:37 executing program 4: r0 = socket$kcm(0x2b, 0x8000000000001, 0x0) ioctl$PERF_EVENT_IOC_ENABLE(r0, 0x8912, 0x400200) r1 = socket$inet6(0xa, 0x3, 0x6) setsockopt$inet6_IPV6_FLOWLABEL_MGR(r1, 0x29, 0x30, &(0x7f0000000300)={@mcast2, 0x10000, 0x0, 0x102, 0x8000003}, 0x20) 10:46:38 executing program 5: r0 = openat$zero(0xffffffffffffff9c, &(0x7f0000000000)='/dev/zero\x00', 0x111000, 0x0) connect$llc(r0, &(0x7f0000000080)={0x1a, 0x339, 0x1, 0x0, 0x4, 0x6, @dev={[], 0x1e}}, 0x10) r1 = socket$kcm(0x10, 0x2, 0x10) sendmsg$kcm(r1, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000040)=[{&(0x7f0000000300)="1400000013000507ed008064d20010002e000080", 0x14}], 0x1}, 0x0) [ 943.550270][T29360] default_file_splice_read+0x329/0x560 [ 943.555873][T29360] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 943.562141][T29360] do_splice_to+0xf2/0x130 [ 943.566560][T29360] ? iter_file_splice_write+0x7f0/0x7f0 [ 943.572141][T29360] ? iter_file_splice_write+0x7f0/0x7f0 [ 943.577689][T29360] splice_direct_to_actor+0x1a1/0x510 [ 943.583063][T29360] ? generic_pipe_buf_nosteal+0x20/0x20 [ 943.588664][T29360] do_splice_direct+0x161/0x1e0 [ 943.593552][T29360] do_sendfile+0x384/0x7f0 [ 943.597978][T29360] __x64_sys_sendfile64+0xbe/0x140 [ 943.603076][T29360] do_syscall_64+0xcc/0x370 [ 943.607568][T29360] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 943.613442][T29360] RIP: 0033:0x45a679 [ 943.617323][T29360] Code: ad b6 fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 0f 83 7b b6 fb ff c3 66 2e 0f 1f 84 00 00 00 00 [ 943.636911][T29360] RSP: 002b:00007f58c9359c78 EFLAGS: 00000246 ORIG_RAX: 0000000000000028 [ 943.645349][T29360] RAX: ffffffffffffffda RBX: 00007f58c9359c90 RCX: 000000000045a679 [ 943.653310][T29360] RDX: 0000000020000240 RSI: 0000000000000006 RDI: 0000000000000005 [ 943.661370][T29360] RBP: 000000000075bf20 R08: 0000000000000000 R09: 0000000000000000 [ 943.669429][T29360] R10: 00004000000000dc R11: 0000000000000246 R12: 00007f58c935a6d4 [ 943.677380][T29360] R13: 00000000004c8652 R14: 00000000004df368 R15: 0000000000000007 10:46:38 executing program 5: r0 = socket$kcm(0x10, 0x2, 0x10) sendmsg$kcm(r0, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000040)=[{&(0x7f0000000300)="1400000013000507ed008064d20010002e000080", 0x14}], 0x1}, 0x0) syz_open_dev$mice(&(0x7f0000000000)='/dev/input/mice\x00', 0x0, 0x101000) r1 = socket$kcm(0x2b, 0x8000000000001, 0x0) ioctl$PERF_EVENT_IOC_ENABLE(r1, 0x8912, 0x400200) r2 = openat$vcs(0xffffffffffffff9c, &(0x7f0000000000)='/dev/vcs\x00', 0x0, 0x0) r3 = socket$nl_generic(0x10, 0x3, 0x10) poll(&(0x7f0000000040)=[{r2}, {r1}, {r3}], 0x3, 0x6) getsockopt$TIPC_SRC_DROPPABLE(r2, 0x10f, 0x80, &(0x7f00000001c0), &(0x7f0000000180)) 10:46:38 executing program 3: mknod(&(0x7f0000000040)='./bus\x00', 0x2000000000001003, 0x0) r0 = open(&(0x7f0000000100)='./bus\x00', 0x20000000000b04, 0x0) r1 = epoll_create(0x7) epoll_ctl$EPOLL_CTL_ADD(r1, 0x1, r0, &(0x7f00000001c0)) r2 = socket$kcm(0x2b, 0x8000000000001, 0x0) ioctl$PERF_EVENT_IOC_ENABLE(r2, 0x8912, 0x400200) r3 = openat$vcs(0xffffffffffffff9c, &(0x7f0000000000)='/dev/vcs\x00', 0x0, 0x0) r4 = socket$nl_generic(0x10, 0x3, 0x10) poll(&(0x7f0000000040)=[{r3}, {r2}, {r4}], 0x3, 0x0) r5 = socket(0x2000000000000021, 0x2, 0x10000000000002) connect$rxrpc(r5, &(0x7f0000000140)=@in4={0x21, 0x0, 0x2, 0x10, {0x2, 0x0, @rand_addr=0xdd}}, 0x24) sendmmsg(r5, &(0x7f0000005c00)=[{{0x0, 0xfffffffffffffd95, 0x0, 0x0, &(0x7f0000000000)=ANY=[@ANYBLOB="18000800000000001001000001000000ec00000000000000"], 0x18}}], 0x1, 0x0) r6 = socket$inet6(0xa, 0x3, 0x6) mmap(&(0x7f0000ffd000/0x2000)=nil, 0x2000, 0x8, 0x810, r6, 0x0) setsockopt$inet6_IPV6_FLOWLABEL_MGR(r6, 0x29, 0x20, &(0x7f0000000080)={@loopback, 0x800, 0x0, 0x100000003, 0x1, 0x0, 0x0, 0x400000000}, 0x20) setsockopt$inet6_IPV6_FLOWLABEL_MGR(r6, 0x29, 0x20, &(0x7f0000000300)={@mcast2, 0x10000, 0x0, 0x102, 0x8000003}, 0x20) setsockopt$inet6_IPV6_FLOWLABEL_MGR(r6, 0x29, 0x20, &(0x7f0000000040)={@loopback, 0x0, 0x0, 0x1, 0x3}, 0x20) connect$inet6(r6, &(0x7f0000000500)={0xa, 0x0, 0x40f7, @mcast2, 0x7ff}, 0x9) r7 = syz_open_procfs(0x0, &(0x7f0000000600)='net/ip6_flowlabel\x00n\xc01\x14\x894X\xed\xc1\xc9\xd8\xdcK\r\x8d\xae\x98&@\xd0\xe6\xbbQ\xd7\xffYn\x1c\x92\xde\x0e\xaa1\x91\x98\xe9\x1f\nMCi|+\xcdw\xf0\x176Z\xf1`\xac\xf3;\xd6d2\xeb\xe5\f\x0e\x8b\xda\xf7\xfc9\xfe\xff4\xef\'\xa19q\x93\"\x7fG3\xc1E\xe6e6\xc6\xc2u\x11% \xe7+0\x97\x84;\\\xda\xc4\x80\xc3\xb18N\xbfY%\x05\xf8\x85\x89\xfc\xd2\xd7') sendfile(r6, r7, &(0x7f0000000240)=0x202, 0x4000000000dc) r8 = syz_genetlink_get_family_id$nbd(&(0x7f0000000140)='nbd\x00') ioctl$KVM_S390_UCAS_UNMAP(r7, 0x4018ae51, &(0x7f00000000c0)={0x8000, 0x7ff, 0x2}) sendmsg$NBD_CMD_RECONFIGURE(r7, &(0x7f0000000200)={&(0x7f0000000100)={0x10, 0x0, 0x0, 0x80}, 0xc, &(0x7f00000001c0)={&(0x7f0000000180)={0x1ce, r8, 0xc05, 0x70bd29, 0x25dfdbff}, 0x14}, 0x1, 0x0, 0x0, 0x4}, 0x84) sendmsg$NBD_CMD_STATUS(r5, &(0x7f00000002c0)={&(0x7f0000000180)={0x10, 0x0, 0x0, 0x1000000}, 0xc, &(0x7f0000000280)={&(0x7f00000001c0)={0x28, r8, 0x10, 0x70bd25, 0x25dfdbfb, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x5}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x28}, 0x1, 0x0, 0x0, 0x8b29ba74f3c49941}, 0x4044) r9 = openat$audio(0xffffffffffffff9c, &(0x7f0000003500)='/dev/audio\x00', 0x200000, 0x0) r10 = socket$kcm(0x2b, 0x8000000000001, 0x0) ioctl$PERF_EVENT_IOC_ENABLE(r10, 0x8912, 0x400200) r11 = openat$vcs(0xffffffffffffff9c, &(0x7f0000000000)='/dev/vcs\x00', 0x0, 0x0) r12 = socket$nl_generic(0x10, 0x3, 0x10) poll(&(0x7f0000000040)=[{r11}, {r10}, {r12}], 0x3, 0x6) sendmsg$NBD_CMD_CONNECT(r3, &(0x7f0000003600)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x80}, 0xc, &(0x7f00000035c0)={&(0x7f0000003540)={0x54, r8, 0x300, 0x70bd2b, 0x25dfdbfe, {}, [@NBD_ATTR_SOCKETS={0x2c, 0x7, [{0x8, 0x1, r9}, {0x8, 0x1, r11}, {0x8, 0x1, r0}, {0x8}, {0x8, 0x1, r0}]}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}]}, 0x54}, 0x1, 0x0, 0x0, 0x80000c0}, 0x4000000) 10:46:38 executing program 0 (fault-call:6 fault-nth:21): mknod(&(0x7f0000000040)='./bus\x00', 0x2000000000001003, 0x0) open(&(0x7f0000000100)='./bus\x00', 0x20000000000b04, 0x0) r0 = socket$kcm(0x2b, 0x8000000000001, 0x0) ioctl$PERF_EVENT_IOC_ENABLE(r0, 0x8912, 0x400200) r1 = socket$inet6(0xa, 0x3, 0x6) r2 = syz_open_procfs(0x0, &(0x7f0000000600)='net/ip6_flowlabel\x00n\xc01\x14\x894X\xed\xc1\xc9\xd8\xdcK\r\x8d\xae\x98&@\xd0\xe6\xbbQ\xd7\xffYn\x1c\x92\xde\x0e\xaa1\x91\x98\xe9\x1f\nMCi|+\xcdw\xf0\x176Z\xf1`\xac\xf3;\xd6d2\xeb\xe5\f\x0e\x8b\xda\xf7\xfc9\xfe\xff4\xef\'\xa19q\x93\"\x7fG3\xc1E\xe6e6\xc6\xc2u\x11% \xe7+0\x97\x84;\\\xda\xc4\x80\xc3\xb18N\xbfY%\x05\xf8\x85\x89\xfc\xd2\xd7') sendfile(r1, r2, &(0x7f0000000240)=0x202, 0x4000000000dc) 10:46:38 executing program 4: r0 = socket$kcm(0x2b, 0x8000000000001, 0x0) ioctl$PERF_EVENT_IOC_ENABLE(r0, 0x8912, 0x400200) r1 = socket$inet6(0xa, 0x3, 0x6) setsockopt$inet6_IPV6_FLOWLABEL_MGR(r1, 0x29, 0x31, &(0x7f0000000300)={@mcast2, 0x10000, 0x0, 0x102, 0x8000003}, 0x20) 10:46:38 executing program 1: r0 = perf_event_open(&(0x7f0000940000)={0x2, 0x70, 0xfffffffffffffffd, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}}, 0x0, 0x0, 0xffffffffffffffff, 0x0) mmap(&(0x7f00004da000/0x1000)=nil, 0x1000, 0x0, 0x4000012, r0, 0x0) mincore(&(0x7f00003fa000/0x200000)=nil, 0x200129, &(0x7f0000000000)=""/222) [ 943.899189][ C0] protocol 88fb is buggy, dev hsr_slave_0 [ 943.905000][ C0] protocol 88fb is buggy, dev hsr_slave_1 10:46:38 executing program 5: r0 = socket$kcm(0x10, 0x2, 0x10) r1 = socket$inet6_dccp(0xa, 0x6, 0x0) getsockopt$inet6_int(r1, 0x29, 0x3c, 0x0, &(0x7f00000015c0)) getsockopt$inet6_dccp_int(r1, 0x21, 0x1e, &(0x7f0000000000), &(0x7f0000000080)=0x4) sendmsg$kcm(r0, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000040)=[{&(0x7f0000000300)="1400000013000507ed008064d20010002e000080", 0x14}], 0x1}, 0x0) 10:46:38 executing program 3: mknod(&(0x7f0000000040)='./bus\x00', 0x2000000000001003, 0x0) r0 = open(&(0x7f0000000100)='./bus\x00', 0x20000000000b04, 0x0) r1 = epoll_create(0x7) epoll_ctl$EPOLL_CTL_ADD(r1, 0x1, r0, &(0x7f00000001c0)) r2 = socket$kcm(0x2b, 0x8000000000001, 0x0) ioctl$PERF_EVENT_IOC_ENABLE(r2, 0x8912, 0x400200) r3 = openat$vcs(0xffffffffffffff9c, &(0x7f0000000000)='/dev/vcs\x00', 0x0, 0x0) r4 = socket$nl_generic(0x10, 0x3, 0x10) poll(&(0x7f0000000040)=[{r3}, {r2}, {r4}], 0x3, 0x6) r5 = socket(0x0, 0x2, 0x10000000000002) connect$rxrpc(r5, &(0x7f0000000140)=@in4={0x21, 0x0, 0x2, 0x10, {0x2, 0x0, @rand_addr=0xdd}}, 0x24) sendmmsg(r5, &(0x7f0000005c00)=[{{0x0, 0xfffffffffffffd95, 0x0, 0x0, &(0x7f0000000000)=ANY=[@ANYBLOB="18000800000000001001000001000000ec00000000000000"], 0x18}}], 0x1, 0x0) r6 = socket$inet6(0xa, 0x3, 0x6) mmap(&(0x7f0000ffd000/0x2000)=nil, 0x2000, 0x8, 0x810, r6, 0x0) setsockopt$inet6_IPV6_FLOWLABEL_MGR(r6, 0x29, 0x20, &(0x7f0000000080)={@loopback, 0x800, 0x0, 0x100000003, 0x1, 0x0, 0x0, 0x400000000}, 0x20) setsockopt$inet6_IPV6_FLOWLABEL_MGR(r6, 0x29, 0x20, &(0x7f0000000300)={@mcast2, 0x10000, 0x0, 0x102, 0x8000003}, 0x20) setsockopt$inet6_IPV6_FLOWLABEL_MGR(r6, 0x29, 0x20, &(0x7f0000000040)={@loopback, 0x0, 0x0, 0x1, 0x3}, 0x20) connect$inet6(r6, &(0x7f0000000500)={0xa, 0x0, 0x40f7, @mcast2, 0x7ff}, 0x9) r7 = syz_open_procfs(0x0, &(0x7f0000000600)='net/ip6_flowlabel\x00n\xc01\x14\x894X\xed\xc1\xc9\xd8\xdcK\r\x8d\xae\x98&@\xd0\xe6\xbbQ\xd7\xffYn\x1c\x92\xde\x0e\xaa1\x91\x98\xe9\x1f\nMCi|+\xcdw\xf0\x176Z\xf1`\xac\xf3;\xd6d2\xeb\xe5\f\x0e\x8b\xda\xf7\xfc9\xfe\xff4\xef\'\xa19q\x93\"\x7fG3\xc1E\xe6e6\xc6\xc2u\x11% \xe7+0\x97\x84;\\\xda\xc4\x80\xc3\xb18N\xbfY%\x05\xf8\x85\x89\xfc\xd2\xd7') sendfile(r6, r7, &(0x7f0000000240)=0x202, 0x4000000000dc) r8 = syz_genetlink_get_family_id$nbd(&(0x7f0000000140)='nbd\x00') ioctl$KVM_S390_UCAS_UNMAP(r7, 0x4018ae51, &(0x7f00000000c0)={0x8000, 0x7ff, 0x2}) sendmsg$NBD_CMD_RECONFIGURE(r7, &(0x7f0000000200)={&(0x7f0000000100)={0x10, 0x0, 0x0, 0x80}, 0xc, &(0x7f00000001c0)={&(0x7f0000000180)={0x1ce, r8, 0xc05, 0x70bd29, 0x25dfdbff}, 0x14}, 0x1, 0x0, 0x0, 0x4}, 0x84) sendmsg$NBD_CMD_STATUS(r5, &(0x7f00000002c0)={&(0x7f0000000180)={0x10, 0x0, 0x0, 0x1000000}, 0xc, &(0x7f0000000280)={&(0x7f00000001c0)={0x28, r8, 0x10, 0x70bd25, 0x25dfdbfb, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x5}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x28}, 0x1, 0x0, 0x0, 0x8b29ba74f3c49941}, 0x4044) r9 = openat$audio(0xffffffffffffff9c, &(0x7f0000003500)='/dev/audio\x00', 0x200000, 0x0) r10 = socket$kcm(0x2b, 0x8000000000001, 0x0) ioctl$PERF_EVENT_IOC_ENABLE(r10, 0x8912, 0x400200) r11 = openat$vcs(0xffffffffffffff9c, &(0x7f0000000000)='/dev/vcs\x00', 0x0, 0x0) r12 = socket$nl_generic(0x10, 0x3, 0x10) poll(&(0x7f0000000040)=[{r11}, {r10}, {r12}], 0x3, 0x6) sendmsg$NBD_CMD_CONNECT(r3, &(0x7f0000003600)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x80}, 0xc, &(0x7f00000035c0)={&(0x7f0000003540)={0x54, r8, 0x300, 0x70bd2b, 0x25dfdbfe, {}, [@NBD_ATTR_SOCKETS={0x2c, 0x7, [{0x8, 0x1, r9}, {0x8, 0x1, r11}, {0x8, 0x1, r0}, {0x8}, {0x8, 0x1, r0}]}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}]}, 0x54}, 0x1, 0x0, 0x0, 0x80000c0}, 0x4000000) 10:46:38 executing program 4: r0 = socket$kcm(0x2b, 0x8000000000001, 0x0) ioctl$PERF_EVENT_IOC_ENABLE(r0, 0x8912, 0x400200) r1 = socket$inet6(0xa, 0x3, 0x6) setsockopt$inet6_IPV6_FLOWLABEL_MGR(r1, 0x29, 0x32, &(0x7f0000000300)={@mcast2, 0x10000, 0x0, 0x102, 0x8000003}, 0x20) 10:46:38 executing program 5: r0 = socket$kcm(0x10, 0x2, 0x10) sendmsg$kcm(r0, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000040)=[{&(0x7f0000000300)="1400000013000507ed008064d20010002e000080", 0x5f}], 0x1}, 0x0) r1 = add_key$keyring(&(0x7f0000000000)='keyring\x00', &(0x7f0000000040)={'syz', 0x1}, 0x0, 0x0, 0xfffffffffffffffc) add_key(&(0x7f00000000c0)='encrypted\x00', &(0x7f00000001c0)={'syz', 0x0}, 0x0, 0x0, r1) r2 = add_key$keyring(&(0x7f0000000000)='keyring\x00', &(0x7f0000000080)={'syz', 0x1}, 0x0, 0x0, r1) r3 = add_key(&(0x7f00000000c0)='\x00', &(0x7f0000000100)={'syz', 0x1}, &(0x7f0000000200)="fa000006000000000000000000000000000000000000000000000000e20000", 0x1f, 0xfffffffffffffffc) r4 = socket$kcm(0x2b, 0x8000000000001, 0x0) r5 = openat$cgroup_ro(0xffffffffffffffff, &(0x7f0000000180)='cpuset.memory_pressure\x00', 0x0, 0x0) ioctl$PERF_EVENT_IOC_ENABLE(r5, 0x8912, 0xfffffffffffffffb) r6 = openat$vcs(0xffffffffffffff9c, &(0x7f0000000000)='/dev/vcs\x00', 0x0, 0x0) r7 = socket$nl_generic(0x10, 0x3, 0x10) poll(&(0x7f0000000040)=[{r6}, {r4}, {r7}], 0x3, 0x6) r8 = syz_open_dev$media(&(0x7f00000009c0)='/dev/media#\x00', 0xfffffffffffffffe, 0x40200) getsockopt$kcm_KCM_RECV_DISABLE(r8, 0x119, 0x1, &(0x7f0000000a00), 0x4) mmap$IORING_OFF_SQES(&(0x7f0000ffa000/0x4000)=nil, 0x4000, 0x0, 0x48010, r6, 0x10000000) keyctl$reject(0x13, r2, 0x1, 0x9, r3) 10:46:38 executing program 1: r0 = perf_event_open(&(0x7f0000940000)={0x2, 0x70, 0xfffffffffffffffd, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}}, 0x0, 0x0, 0xffffffffffffffff, 0x0) mmap(&(0x7f00004da000/0x1000)=nil, 0x1000, 0x0, 0x4000012, r0, 0x0) mincore(&(0x7f00003fa000/0x200000)=nil, 0x20012a, &(0x7f0000000000)=""/222) 10:46:38 executing program 3: mknod(&(0x7f0000000040)='./bus\x00', 0x2000000000001003, 0x0) r0 = open(&(0x7f0000000100)='./bus\x00', 0x20000000000b04, 0x0) r1 = epoll_create(0x7) epoll_ctl$EPOLL_CTL_ADD(r1, 0x1, r0, &(0x7f00000001c0)) r2 = socket$kcm(0x2b, 0x8000000000001, 0x0) ioctl$PERF_EVENT_IOC_ENABLE(r2, 0x8912, 0x400200) r3 = openat$vcs(0xffffffffffffff9c, &(0x7f0000000000)='/dev/vcs\x00', 0x0, 0x0) r4 = socket$nl_generic(0x10, 0x3, 0x10) poll(&(0x7f0000000040)=[{r3}, {r2}, {r4}], 0x3, 0x6) r5 = socket(0x0, 0x2, 0x10000000000002) connect$rxrpc(r5, &(0x7f0000000140)=@in4={0x21, 0x0, 0x2, 0x10, {0x2, 0x0, @rand_addr=0xdd}}, 0x24) sendmmsg(r5, &(0x7f0000005c00)=[{{0x0, 0xfffffffffffffd95, 0x0, 0x0, &(0x7f0000000000)=ANY=[@ANYBLOB="18000800000000001001000001000000ec00000000000000"], 0x18}}], 0x1, 0x0) r6 = socket$inet6(0xa, 0x3, 0x6) mmap(&(0x7f0000ffd000/0x2000)=nil, 0x2000, 0x8, 0x810, r6, 0x0) setsockopt$inet6_IPV6_FLOWLABEL_MGR(r6, 0x29, 0x20, &(0x7f0000000080)={@loopback, 0x800, 0x0, 0x100000003, 0x1, 0x0, 0x0, 0x400000000}, 0x20) setsockopt$inet6_IPV6_FLOWLABEL_MGR(r6, 0x29, 0x20, &(0x7f0000000300)={@mcast2, 0x10000, 0x0, 0x102, 0x8000003}, 0x20) setsockopt$inet6_IPV6_FLOWLABEL_MGR(r6, 0x29, 0x20, &(0x7f0000000040)={@loopback, 0x0, 0x0, 0x1, 0x3}, 0x20) connect$inet6(r6, &(0x7f0000000500)={0xa, 0x0, 0x40f7, @mcast2, 0x7ff}, 0x9) r7 = syz_open_procfs(0x0, &(0x7f0000000600)='net/ip6_flowlabel\x00n\xc01\x14\x894X\xed\xc1\xc9\xd8\xdcK\r\x8d\xae\x98&@\xd0\xe6\xbbQ\xd7\xffYn\x1c\x92\xde\x0e\xaa1\x91\x98\xe9\x1f\nMCi|+\xcdw\xf0\x176Z\xf1`\xac\xf3;\xd6d2\xeb\xe5\f\x0e\x8b\xda\xf7\xfc9\xfe\xff4\xef\'\xa19q\x93\"\x7fG3\xc1E\xe6e6\xc6\xc2u\x11% \xe7+0\x97\x84;\\\xda\xc4\x80\xc3\xb18N\xbfY%\x05\xf8\x85\x89\xfc\xd2\xd7') sendfile(r6, r7, &(0x7f0000000240)=0x202, 0x4000000000dc) r8 = syz_genetlink_get_family_id$nbd(&(0x7f0000000140)='nbd\x00') ioctl$KVM_S390_UCAS_UNMAP(r7, 0x4018ae51, &(0x7f00000000c0)={0x8000, 0x7ff, 0x2}) sendmsg$NBD_CMD_RECONFIGURE(r7, &(0x7f0000000200)={&(0x7f0000000100)={0x10, 0x0, 0x0, 0x80}, 0xc, &(0x7f00000001c0)={&(0x7f0000000180)={0x1ce, r8, 0xc05, 0x70bd29, 0x25dfdbff}, 0x14}, 0x1, 0x0, 0x0, 0x4}, 0x84) sendmsg$NBD_CMD_STATUS(r5, &(0x7f00000002c0)={&(0x7f0000000180)={0x10, 0x0, 0x0, 0x1000000}, 0xc, &(0x7f0000000280)={&(0x7f00000001c0)={0x28, r8, 0x10, 0x70bd25, 0x25dfdbfb, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x5}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x28}, 0x1, 0x0, 0x0, 0x8b29ba74f3c49941}, 0x4044) r9 = openat$audio(0xffffffffffffff9c, &(0x7f0000003500)='/dev/audio\x00', 0x200000, 0x0) r10 = socket$kcm(0x2b, 0x8000000000001, 0x0) ioctl$PERF_EVENT_IOC_ENABLE(r10, 0x8912, 0x400200) r11 = openat$vcs(0xffffffffffffff9c, &(0x7f0000000000)='/dev/vcs\x00', 0x0, 0x0) r12 = socket$nl_generic(0x10, 0x3, 0x10) poll(&(0x7f0000000040)=[{r11}, {r10}, {r12}], 0x3, 0x6) sendmsg$NBD_CMD_CONNECT(r3, &(0x7f0000003600)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x80}, 0xc, &(0x7f00000035c0)={&(0x7f0000003540)={0x54, r8, 0x300, 0x70bd2b, 0x25dfdbfe, {}, [@NBD_ATTR_SOCKETS={0x2c, 0x7, [{0x8, 0x1, r9}, {0x8, 0x1, r11}, {0x8, 0x1, r0}, {0x8}, {0x8, 0x1, r0}]}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}]}, 0x54}, 0x1, 0x0, 0x0, 0x80000c0}, 0x4000000) 10:46:38 executing program 4: r0 = socket$kcm(0x2b, 0x8000000000001, 0x0) ioctl$PERF_EVENT_IOC_ENABLE(r0, 0x8912, 0x400200) r1 = socket$inet6(0xa, 0x3, 0x6) setsockopt$inet6_IPV6_FLOWLABEL_MGR(r1, 0x29, 0x33, &(0x7f0000000300)={@mcast2, 0x10000, 0x0, 0x102, 0x8000003}, 0x20) 10:46:38 executing program 5: r0 = socket$kcm(0x10, 0x2, 0x10) sendmsg$kcm(r0, &(0x7f0000000000)={0x0, 0x0, &(0x7f0000000040), 0x100000000000029f, 0x0, 0xfd45}, 0x8000) 10:46:38 executing program 0: mknod(&(0x7f0000000040)='./bus\x00', 0x2000000000001003, 0x0) open(&(0x7f0000000100)='./bus\x00', 0x20000000000b04, 0x0) r0 = socket$kcm(0x2b, 0x8000000000001, 0x0) ioctl$PERF_EVENT_IOC_ENABLE(r0, 0x8912, 0x400200) r1 = socket$inet6(0xa, 0x3, 0x6) r2 = syz_open_procfs(0x0, &(0x7f0000000600)='net/ip6_flowlabel\x00n\xc01\x14\x894X\xed\xc1\xc9\xd8\xdcK\r\x8d\xae\x98&@\xd0\xe6\xbbQ\xd7\xffYn\x1c\x92\xde\x0e\xaa1\x91\x98\xe9\x1f\nMCi|+\xcdw\xf0\x176Z\xf1`\xac\xf3;\xd6d2\xeb\xe5\f\x0e\x8b\xda\xf7\xfc9\xfe\xff4\xef\'\xa19q\x93\"\x7fG3\xc1E\xe6e6\xc6\xc2u\x11% \xe7+0\x97\x84;\\\xda\xc4\x80\xc3\xb18N\xbfY%\x05\xf8\x85\x89\xfc\xd2\xd7') sendfile(r1, r2, &(0x7f0000000240)=0x202, 0x4000000000dc) [ 944.389203][ C1] protocol 88fb is buggy, dev hsr_slave_0 [ 944.395026][ C1] protocol 88fb is buggy, dev hsr_slave_1 10:46:38 executing program 1: r0 = perf_event_open(&(0x7f0000940000)={0x2, 0x70, 0xfffffffffffffffd, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}}, 0x0, 0x0, 0xffffffffffffffff, 0x0) mmap(&(0x7f00004da000/0x1000)=nil, 0x1000, 0x0, 0x4000012, r0, 0x0) mincore(&(0x7f00003fa000/0x200000)=nil, 0x20012b, &(0x7f0000000000)=""/222) 10:46:39 executing program 5: r0 = socket$kcm(0x10, 0x0, 0x10) finit_module(0xffffffffffffffff, &(0x7f0000000000)='\x00', 0x7) sendmsg$kcm(r0, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000040)=[{&(0x7f0000000300)="1400000013000507ed008064d20010002e000080", 0x14}], 0x1}, 0x0) 10:46:39 executing program 4: r0 = socket$kcm(0x2b, 0x8000000000001, 0x0) ioctl$PERF_EVENT_IOC_ENABLE(r0, 0x8912, 0x400200) r1 = socket$inet6(0xa, 0x3, 0x6) setsockopt$inet6_IPV6_FLOWLABEL_MGR(r1, 0x29, 0x35, &(0x7f0000000300)={@mcast2, 0x10000, 0x0, 0x102, 0x8000003}, 0x20) 10:46:39 executing program 3: mknod(&(0x7f0000000040)='./bus\x00', 0x2000000000001003, 0x0) r0 = open(&(0x7f0000000100)='./bus\x00', 0x20000000000b04, 0x0) r1 = epoll_create(0x7) epoll_ctl$EPOLL_CTL_ADD(r1, 0x1, r0, &(0x7f00000001c0)) r2 = socket$kcm(0x2b, 0x8000000000001, 0x0) ioctl$PERF_EVENT_IOC_ENABLE(r2, 0x8912, 0x400200) r3 = openat$vcs(0xffffffffffffff9c, &(0x7f0000000000)='/dev/vcs\x00', 0x0, 0x0) r4 = socket$nl_generic(0x10, 0x3, 0x10) poll(&(0x7f0000000040)=[{r3}, {r2}, {r4}], 0x3, 0x6) r5 = socket(0x0, 0x2, 0x10000000000002) connect$rxrpc(r5, &(0x7f0000000140)=@in4={0x21, 0x0, 0x2, 0x10, {0x2, 0x0, @rand_addr=0xdd}}, 0x24) sendmmsg(r5, &(0x7f0000005c00)=[{{0x0, 0xfffffffffffffd95, 0x0, 0x0, &(0x7f0000000000)=ANY=[@ANYBLOB="18000800000000001001000001000000ec00000000000000"], 0x18}}], 0x1, 0x0) r6 = socket$inet6(0xa, 0x3, 0x6) mmap(&(0x7f0000ffd000/0x2000)=nil, 0x2000, 0x8, 0x810, r6, 0x0) setsockopt$inet6_IPV6_FLOWLABEL_MGR(r6, 0x29, 0x20, &(0x7f0000000080)={@loopback, 0x800, 0x0, 0x100000003, 0x1, 0x0, 0x0, 0x400000000}, 0x20) setsockopt$inet6_IPV6_FLOWLABEL_MGR(r6, 0x29, 0x20, &(0x7f0000000300)={@mcast2, 0x10000, 0x0, 0x102, 0x8000003}, 0x20) setsockopt$inet6_IPV6_FLOWLABEL_MGR(r6, 0x29, 0x20, &(0x7f0000000040)={@loopback, 0x0, 0x0, 0x1, 0x3}, 0x20) connect$inet6(r6, &(0x7f0000000500)={0xa, 0x0, 0x40f7, @mcast2, 0x7ff}, 0x9) r7 = syz_open_procfs(0x0, &(0x7f0000000600)='net/ip6_flowlabel\x00n\xc01\x14\x894X\xed\xc1\xc9\xd8\xdcK\r\x8d\xae\x98&@\xd0\xe6\xbbQ\xd7\xffYn\x1c\x92\xde\x0e\xaa1\x91\x98\xe9\x1f\nMCi|+\xcdw\xf0\x176Z\xf1`\xac\xf3;\xd6d2\xeb\xe5\f\x0e\x8b\xda\xf7\xfc9\xfe\xff4\xef\'\xa19q\x93\"\x7fG3\xc1E\xe6e6\xc6\xc2u\x11% \xe7+0\x97\x84;\\\xda\xc4\x80\xc3\xb18N\xbfY%\x05\xf8\x85\x89\xfc\xd2\xd7') sendfile(r6, r7, &(0x7f0000000240)=0x202, 0x4000000000dc) r8 = syz_genetlink_get_family_id$nbd(&(0x7f0000000140)='nbd\x00') ioctl$KVM_S390_UCAS_UNMAP(r7, 0x4018ae51, &(0x7f00000000c0)={0x8000, 0x7ff, 0x2}) sendmsg$NBD_CMD_RECONFIGURE(r7, &(0x7f0000000200)={&(0x7f0000000100)={0x10, 0x0, 0x0, 0x80}, 0xc, &(0x7f00000001c0)={&(0x7f0000000180)={0x1ce, r8, 0xc05, 0x70bd29, 0x25dfdbff}, 0x14}, 0x1, 0x0, 0x0, 0x4}, 0x84) sendmsg$NBD_CMD_STATUS(r5, &(0x7f00000002c0)={&(0x7f0000000180)={0x10, 0x0, 0x0, 0x1000000}, 0xc, &(0x7f0000000280)={&(0x7f00000001c0)={0x28, r8, 0x10, 0x70bd25, 0x25dfdbfb, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x5}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x28}, 0x1, 0x0, 0x0, 0x8b29ba74f3c49941}, 0x4044) r9 = openat$audio(0xffffffffffffff9c, &(0x7f0000003500)='/dev/audio\x00', 0x200000, 0x0) r10 = socket$kcm(0x2b, 0x8000000000001, 0x0) ioctl$PERF_EVENT_IOC_ENABLE(r10, 0x8912, 0x400200) r11 = openat$vcs(0xffffffffffffff9c, &(0x7f0000000000)='/dev/vcs\x00', 0x0, 0x0) r12 = socket$nl_generic(0x10, 0x3, 0x10) poll(&(0x7f0000000040)=[{r11}, {r10}, {r12}], 0x3, 0x6) sendmsg$NBD_CMD_CONNECT(r3, &(0x7f0000003600)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x80}, 0xc, &(0x7f00000035c0)={&(0x7f0000003540)={0x54, r8, 0x300, 0x70bd2b, 0x25dfdbfe, {}, [@NBD_ATTR_SOCKETS={0x2c, 0x7, [{0x8, 0x1, r9}, {0x8, 0x1, r11}, {0x8, 0x1, r0}, {0x8}, {0x8, 0x1, r0}]}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}]}, 0x54}, 0x1, 0x0, 0x0, 0x80000c0}, 0x4000000) 10:46:39 executing program 5: r0 = socket$kcm(0x10, 0x2, 0x10) sendmsg$kcm(r0, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000040)}, 0x0) openat$dlm_plock(0xffffffffffffff9c, &(0x7f0000000000)='/dev/dlm_plock\x00', 0x60640, 0x0) [ 944.699249][ C1] protocol 88fb is buggy, dev hsr_slave_0 [ 944.705056][ C1] protocol 88fb is buggy, dev hsr_slave_1 10:46:39 executing program 1: r0 = perf_event_open(&(0x7f0000940000)={0x2, 0x70, 0xfffffffffffffffd, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}}, 0x0, 0x0, 0xffffffffffffffff, 0x0) mmap(&(0x7f00004da000/0x1000)=nil, 0x1000, 0x0, 0x4000012, r0, 0x0) mincore(&(0x7f00003fa000/0x200000)=nil, 0x20012c, &(0x7f0000000000)=""/222) 10:46:39 executing program 0: mknod(&(0x7f0000000040)='./bus\x00', 0x2000000000001003, 0x0) open(&(0x7f0000000100)='./bus\x00', 0x20000000000b04, 0x0) r0 = socket$kcm(0x2b, 0x8000000000001, 0x0) ioctl$PERF_EVENT_IOC_ENABLE(r0, 0x8912, 0x400200) r1 = socket$inet6(0xa, 0x3, 0x6) r2 = syz_open_procfs(0x0, &(0x7f0000000600)='net/ip6_flowlabel\x00n\xc01\x14\x894X\xed\xc1\xc9\xd8\xdcK\r\x8d\xae\x98&@\xd0\xe6\xbbQ\xd7\xffYn\x1c\x92\xde\x0e\xaa1\x91\x98\xe9\x1f\nMCi|+\xcdw\xf0\x176Z\xf1`\xac\xf3;\xd6d2\xeb\xe5\f\x0e\x8b\xda\xf7\xfc9\xfe\xff4\xef\'\xa19q\x93\"\x7fG3\xc1E\xe6e6\xc6\xc2u\x11% \xe7+0\x97\x84;\\\xda\xc4\x80\xc3\xb18N\xbfY%\x05\xf8\x85\x89\xfc\xd2\xd7') sendfile(r1, r2, &(0x7f0000000240)=0x4b, 0x4000000000dc) 10:46:39 executing program 5: r0 = socket$kcm(0x10, 0x2, 0x10) sendmsg$kcm(r0, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000040)=[{&(0x7f0000000300)="1400000013000507ed008064d20010002e000080", 0x14}], 0x1}, 0x0) r1 = openat$sequencer2(0xffffffffffffff9c, &(0x7f0000000000)='/dev/sequencer2\x00', 0x40c8a1, 0x0) r2 = socket$kcm(0x2b, 0x8000000000001, 0x0) ioctl$PERF_EVENT_IOC_ENABLE(r2, 0x8912, 0x400200) r3 = openat$vcs(0xffffffffffffff9c, &(0x7f0000000000)='/dev/vcs\x00', 0x0, 0x0) r4 = socket$nl_generic(0x10, 0x3, 0x10) poll(&(0x7f0000000040)=[{r3}, {r2}, {r4}], 0x3, 0x6) get_thread_area(&(0x7f00000000c0)={0x80, 0xffffffffffffffff, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x1}) ioctl$VFIO_CHECK_EXTENSION(r3, 0x3b65, 0x5) ioctl$KDGKBMETA(r1, 0x4b62, &(0x7f0000000080)) 10:46:39 executing program 4: r0 = socket$kcm(0x2b, 0x8000000000001, 0x0) ioctl$PERF_EVENT_IOC_ENABLE(r0, 0x8912, 0x400200) r1 = socket$inet6(0xa, 0x3, 0x6) setsockopt$inet6_IPV6_FLOWLABEL_MGR(r1, 0x29, 0x36, &(0x7f0000000300)={@mcast2, 0x10000, 0x0, 0x102, 0x8000003}, 0x20) 10:46:39 executing program 3: mknod(&(0x7f0000000040)='./bus\x00', 0x2000000000001003, 0x0) r0 = open(&(0x7f0000000100)='./bus\x00', 0x20000000000b04, 0x0) r1 = epoll_create(0x7) epoll_ctl$EPOLL_CTL_ADD(r1, 0x1, r0, &(0x7f00000001c0)) r2 = socket$kcm(0x2b, 0x8000000000001, 0x0) ioctl$PERF_EVENT_IOC_ENABLE(r2, 0x8912, 0x400200) r3 = openat$vcs(0xffffffffffffff9c, &(0x7f0000000000)='/dev/vcs\x00', 0x0, 0x0) r4 = socket$nl_generic(0x10, 0x3, 0x10) poll(&(0x7f0000000040)=[{r3}, {r2}, {r4}], 0x3, 0x6) r5 = socket(0x2000000000000021, 0x0, 0x10000000000002) connect$rxrpc(r5, &(0x7f0000000140)=@in4={0x21, 0x0, 0x2, 0x10, {0x2, 0x0, @rand_addr=0xdd}}, 0x24) sendmmsg(r5, &(0x7f0000005c00)=[{{0x0, 0xfffffffffffffd95, 0x0, 0x0, &(0x7f0000000000)=ANY=[@ANYBLOB="18000800000000001001000001000000ec00000000000000"], 0x18}}], 0x1, 0x0) r6 = socket$inet6(0xa, 0x3, 0x6) mmap(&(0x7f0000ffd000/0x2000)=nil, 0x2000, 0x8, 0x810, r6, 0x0) setsockopt$inet6_IPV6_FLOWLABEL_MGR(r6, 0x29, 0x20, &(0x7f0000000080)={@loopback, 0x800, 0x0, 0x100000003, 0x1, 0x0, 0x0, 0x400000000}, 0x20) setsockopt$inet6_IPV6_FLOWLABEL_MGR(r6, 0x29, 0x20, &(0x7f0000000300)={@mcast2, 0x10000, 0x0, 0x102, 0x8000003}, 0x20) setsockopt$inet6_IPV6_FLOWLABEL_MGR(r6, 0x29, 0x20, &(0x7f0000000040)={@loopback, 0x0, 0x0, 0x1, 0x3}, 0x20) connect$inet6(r6, &(0x7f0000000500)={0xa, 0x0, 0x40f7, @mcast2, 0x7ff}, 0x9) r7 = syz_open_procfs(0x0, &(0x7f0000000600)='net/ip6_flowlabel\x00n\xc01\x14\x894X\xed\xc1\xc9\xd8\xdcK\r\x8d\xae\x98&@\xd0\xe6\xbbQ\xd7\xffYn\x1c\x92\xde\x0e\xaa1\x91\x98\xe9\x1f\nMCi|+\xcdw\xf0\x176Z\xf1`\xac\xf3;\xd6d2\xeb\xe5\f\x0e\x8b\xda\xf7\xfc9\xfe\xff4\xef\'\xa19q\x93\"\x7fG3\xc1E\xe6e6\xc6\xc2u\x11% \xe7+0\x97\x84;\\\xda\xc4\x80\xc3\xb18N\xbfY%\x05\xf8\x85\x89\xfc\xd2\xd7') sendfile(r6, r7, &(0x7f0000000240)=0x202, 0x4000000000dc) r8 = syz_genetlink_get_family_id$nbd(&(0x7f0000000140)='nbd\x00') ioctl$KVM_S390_UCAS_UNMAP(r7, 0x4018ae51, &(0x7f00000000c0)={0x8000, 0x7ff, 0x2}) sendmsg$NBD_CMD_RECONFIGURE(r7, &(0x7f0000000200)={&(0x7f0000000100)={0x10, 0x0, 0x0, 0x80}, 0xc, &(0x7f00000001c0)={&(0x7f0000000180)={0x1ce, r8, 0xc05, 0x70bd29, 0x25dfdbff}, 0x14}, 0x1, 0x0, 0x0, 0x4}, 0x84) sendmsg$NBD_CMD_STATUS(r5, &(0x7f00000002c0)={&(0x7f0000000180)={0x10, 0x0, 0x0, 0x1000000}, 0xc, &(0x7f0000000280)={&(0x7f00000001c0)={0x28, r8, 0x10, 0x70bd25, 0x25dfdbfb, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x5}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x28}, 0x1, 0x0, 0x0, 0x8b29ba74f3c49941}, 0x4044) r9 = openat$audio(0xffffffffffffff9c, &(0x7f0000003500)='/dev/audio\x00', 0x200000, 0x0) r10 = socket$kcm(0x2b, 0x8000000000001, 0x0) ioctl$PERF_EVENT_IOC_ENABLE(r10, 0x8912, 0x400200) r11 = openat$vcs(0xffffffffffffff9c, &(0x7f0000000000)='/dev/vcs\x00', 0x0, 0x0) r12 = socket$nl_generic(0x10, 0x3, 0x10) poll(&(0x7f0000000040)=[{r11}, {r10}, {r12}], 0x3, 0x6) sendmsg$NBD_CMD_CONNECT(r3, &(0x7f0000003600)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x80}, 0xc, &(0x7f00000035c0)={&(0x7f0000003540)={0x54, r8, 0x300, 0x70bd2b, 0x25dfdbfe, {}, [@NBD_ATTR_SOCKETS={0x2c, 0x7, [{0x8, 0x1, r9}, {0x8, 0x1, r11}, {0x8, 0x1, r0}, {0x8}, {0x8, 0x1, r0}]}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}]}, 0x54}, 0x1, 0x0, 0x0, 0x80000c0}, 0x4000000) 10:46:39 executing program 0: mknod(&(0x7f0000000040)='./bus\x00', 0x2000000000001003, 0x0) open(&(0x7f0000000100)='./bus\x00', 0x20000000000b04, 0x0) r0 = socket$kcm(0x2b, 0x8000000000001, 0x0) ioctl$PERF_EVENT_IOC_ENABLE(r0, 0x8912, 0x400200) r1 = socket$inet6(0xa, 0x3, 0x6) r2 = syz_open_procfs(0x0, &(0x7f0000000600)='net/ip6_flowlabel\x00n\xc01\x14\x894X\xed\xc1\xc9\xd8\xdcK\r\x8d\xae\x98&@\xd0\xe6\xbbQ\xd7\xffYn\x1c\x92\xde\x0e\xaa1\x91\x98\xe9\x1f\nMCi|+\xcdw\xf0\x176Z\xf1`\xac\xf3;\xd6d2\xeb\xe5\f\x0e\x8b\xda\xf7\xfc9\xfe\xff4\xef\'\xa19q\x93\"\x7fG3\xc1E\xe6e6\xc6\xc2u\x11% \xe7+0\x97\x84;\\\xda\xc4\x80\xc3\xb18N\xbfY%\x05\xf8\x85\x89\xfc\xd2\xd7') sendfile(r1, r2, &(0x7f0000000240)=0x210, 0x4000000000dc) [ 945.099199][ C1] protocol 88fb is buggy, dev hsr_slave_0 [ 945.105023][ C1] protocol 88fb is buggy, dev hsr_slave_1 10:46:39 executing program 1: r0 = perf_event_open(&(0x7f0000940000)={0x2, 0x70, 0xfffffffffffffffd, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}}, 0x0, 0x0, 0xffffffffffffffff, 0x0) mmap(&(0x7f00004da000/0x1000)=nil, 0x1000, 0x0, 0x4000012, r0, 0x0) mincore(&(0x7f00003fa000/0x200000)=nil, 0x20012d, &(0x7f0000000000)=""/222) 10:46:39 executing program 5: setsockopt$ARPT_SO_SET_ADD_COUNTERS(0xffffffffffffffff, 0x0, 0x61, &(0x7f0000000200)={'filter\x00', 0x4}, 0x68) r0 = socket$kcm(0x10, 0x2, 0x10) r1 = getpid() sched_setattr(r1, &(0x7f0000000040)={0x30, 0x2, 0x0, 0x0, 0x8}, 0x0) r2 = syz_open_procfs(r1, &(0x7f0000000000)='fd\x00') ioctl$EVIOCGBITKEY(r2, 0x80404521, &(0x7f0000000040)=""/222) r3 = socket$kcm(0x2b, 0x8000000000001, 0x0) ioctl$PERF_EVENT_IOC_ENABLE(r3, 0x8912, 0x400200) r4 = openat$vcs(0xffffffffffffff9c, &(0x7f0000000000)='/dev/vcs\x00', 0x0, 0x0) r5 = socket$nl_generic(0x10, 0x3, 0x10) poll(&(0x7f0000000040)=[{r4}, {r3}, {r5}], 0x3, 0x6) ioctl$SNDRV_SEQ_IOCTL_QUERY_NEXT_PORT(r4, 0xc0a85352, &(0x7f0000000140)={{0x7, 0x1}, 'port0\x00', 0x88, 0x100000, 0x0, 0xfffffff8, 0xe1, 0x0, 0x69, 0x0, 0x0, 0xffff}) sendmsg$kcm(r0, &(0x7f0000000280)={0x0, 0x33d, &(0x7f00000004c0)=[{&(0x7f0000000300)="3e5598e5c6cda305255b958d7ee19860df2b5eeff36a52fe4253335a580b3d79f78515229c740f79a6c4ae8a2cb6fc4f02b5f2cce9c8a25e5a2584a0c6310fcb16183d338d2952600bab10df7e29961f98a4db35896ce3477cc99be9570bf85c203c99692c768c639dbd91668dfdc1b8cf803f55303b46f236aa745534510878d9eed5a923bfe615de3b669f677a10323482a56c30fed0cb17a533ddced492abb991250cc5952d9ccef738f96cee4ed4a25caf7b57669f0f57e82733827d52dff04749b853607fe576a08a3273d662cb121d52d6617c1ca943ca37a185c312346ddee82184ef6b45c5fda227a85e847dec", 0xf1}, {&(0x7f0000000400)="c4a0aef99ada16ecebd5a44e8523ef2bdf09b420b93d58df47da04da5c39e52d5553ecaf9239784308d8629d6cd19c277da0827352d776b6387f1012f052758d5acbae8a956c49565c0b4b24608e3ac65b4ac4fab5b1bbecb86ae588185cfd7ac27a117dc8c92af2359e62961bc51afbaa936cb2095f9891c8a88bb12c5723b177380656ae6bc3836657cf431ed196a696d8e8e7bee14ef20477d615", 0x9c}], 0x2}, 0x1) clock_getres(0xb5099721846078d5, &(0x7f00000002c0)) 10:46:39 executing program 4: r0 = socket$kcm(0x2b, 0x8000000000001, 0x0) ioctl$PERF_EVENT_IOC_ENABLE(r0, 0x8912, 0x400200) r1 = socket$inet6(0xa, 0x3, 0x6) setsockopt$inet6_IPV6_FLOWLABEL_MGR(r1, 0x29, 0x37, &(0x7f0000000300)={@mcast2, 0x10000, 0x0, 0x102, 0x8000003}, 0x20) 10:46:39 executing program 3: mknod(&(0x7f0000000040)='./bus\x00', 0x2000000000001003, 0x0) r0 = open(&(0x7f0000000100)='./bus\x00', 0x20000000000b04, 0x0) r1 = epoll_create(0x7) epoll_ctl$EPOLL_CTL_ADD(r1, 0x1, r0, &(0x7f00000001c0)) r2 = socket$kcm(0x2b, 0x8000000000001, 0x0) ioctl$PERF_EVENT_IOC_ENABLE(r2, 0x8912, 0x400200) r3 = openat$vcs(0xffffffffffffff9c, &(0x7f0000000000)='/dev/vcs\x00', 0x0, 0x0) r4 = socket$nl_generic(0x10, 0x3, 0x10) poll(&(0x7f0000000040)=[{r3}, {r2}, {r4}], 0x3, 0x6) r5 = socket(0x2000000000000021, 0x0, 0x10000000000002) connect$rxrpc(r5, &(0x7f0000000140)=@in4={0x21, 0x0, 0x2, 0x10, {0x2, 0x0, @rand_addr=0xdd}}, 0x24) sendmmsg(r5, &(0x7f0000005c00)=[{{0x0, 0xfffffffffffffd95, 0x0, 0x0, &(0x7f0000000000)=ANY=[@ANYBLOB="18000800000000001001000001000000ec00000000000000"], 0x18}}], 0x1, 0x0) r6 = socket$inet6(0xa, 0x3, 0x6) mmap(&(0x7f0000ffd000/0x2000)=nil, 0x2000, 0x8, 0x810, r6, 0x0) setsockopt$inet6_IPV6_FLOWLABEL_MGR(r6, 0x29, 0x20, &(0x7f0000000080)={@loopback, 0x800, 0x0, 0x100000003, 0x1, 0x0, 0x0, 0x400000000}, 0x20) setsockopt$inet6_IPV6_FLOWLABEL_MGR(r6, 0x29, 0x20, &(0x7f0000000300)={@mcast2, 0x10000, 0x0, 0x102, 0x8000003}, 0x20) setsockopt$inet6_IPV6_FLOWLABEL_MGR(r6, 0x29, 0x20, &(0x7f0000000040)={@loopback, 0x0, 0x0, 0x1, 0x3}, 0x20) connect$inet6(r6, &(0x7f0000000500)={0xa, 0x0, 0x40f7, @mcast2, 0x7ff}, 0x9) r7 = syz_open_procfs(0x0, &(0x7f0000000600)='net/ip6_flowlabel\x00n\xc01\x14\x894X\xed\xc1\xc9\xd8\xdcK\r\x8d\xae\x98&@\xd0\xe6\xbbQ\xd7\xffYn\x1c\x92\xde\x0e\xaa1\x91\x98\xe9\x1f\nMCi|+\xcdw\xf0\x176Z\xf1`\xac\xf3;\xd6d2\xeb\xe5\f\x0e\x8b\xda\xf7\xfc9\xfe\xff4\xef\'\xa19q\x93\"\x7fG3\xc1E\xe6e6\xc6\xc2u\x11% \xe7+0\x97\x84;\\\xda\xc4\x80\xc3\xb18N\xbfY%\x05\xf8\x85\x89\xfc\xd2\xd7') sendfile(r6, r7, &(0x7f0000000240)=0x202, 0x4000000000dc) r8 = syz_genetlink_get_family_id$nbd(&(0x7f0000000140)='nbd\x00') ioctl$KVM_S390_UCAS_UNMAP(r7, 0x4018ae51, &(0x7f00000000c0)={0x8000, 0x7ff, 0x2}) sendmsg$NBD_CMD_RECONFIGURE(r7, &(0x7f0000000200)={&(0x7f0000000100)={0x10, 0x0, 0x0, 0x80}, 0xc, &(0x7f00000001c0)={&(0x7f0000000180)={0x1ce, r8, 0xc05, 0x70bd29, 0x25dfdbff}, 0x14}, 0x1, 0x0, 0x0, 0x4}, 0x84) sendmsg$NBD_CMD_STATUS(r5, &(0x7f00000002c0)={&(0x7f0000000180)={0x10, 0x0, 0x0, 0x1000000}, 0xc, &(0x7f0000000280)={&(0x7f00000001c0)={0x28, r8, 0x10, 0x70bd25, 0x25dfdbfb, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x5}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x28}, 0x1, 0x0, 0x0, 0x8b29ba74f3c49941}, 0x4044) r9 = openat$audio(0xffffffffffffff9c, &(0x7f0000003500)='/dev/audio\x00', 0x200000, 0x0) r10 = socket$kcm(0x2b, 0x8000000000001, 0x0) ioctl$PERF_EVENT_IOC_ENABLE(r10, 0x8912, 0x400200) r11 = openat$vcs(0xffffffffffffff9c, &(0x7f0000000000)='/dev/vcs\x00', 0x0, 0x0) r12 = socket$nl_generic(0x10, 0x3, 0x10) poll(&(0x7f0000000040)=[{r11}, {r10}, {r12}], 0x3, 0x6) sendmsg$NBD_CMD_CONNECT(r3, &(0x7f0000003600)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x80}, 0xc, &(0x7f00000035c0)={&(0x7f0000003540)={0x54, r8, 0x300, 0x70bd2b, 0x25dfdbfe, {}, [@NBD_ATTR_SOCKETS={0x2c, 0x7, [{0x8, 0x1, r9}, {0x8, 0x1, r11}, {0x8, 0x1, r0}, {0x8}, {0x8, 0x1, r0}]}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}]}, 0x54}, 0x1, 0x0, 0x0, 0x80000c0}, 0x4000000) 10:46:39 executing program 0: mknod(&(0x7f0000000040)='./bus\x00', 0x2000000000001003, 0x0) open(&(0x7f0000000100)='./bus\x00', 0x20000000000b04, 0x0) r0 = socket$kcm(0x2b, 0x8000000000001, 0x0) ioctl$PERF_EVENT_IOC_ENABLE(r0, 0x8912, 0x400200) r1 = socket$inet6(0xa, 0x3, 0x6) r2 = syz_open_procfs(0x0, &(0x7f0000000600)='net/ip6_flowlabel\x00n\xc01\x14\x894X\xed\xc1\xc9\xd8\xdcK\r\x8d\xae\x98&@\xd0\xe6\xbbQ\xd7\xffYn\x1c\x92\xde\x0e\xaa1\x91\x98\xe9\x1f\nMCi|+\xcdw\xf0\x176Z\xf1`\xac\xf3;\xd6d2\xeb\xe5\f\x0e\x8b\xda\xf7\xfc9\xfe\xff4\xef\'\xa19q\x93\"\x7fG3\xc1E\xe6e6\xc6\xc2u\x11% \xe7+0\x97\x84;\\\xda\xc4\x80\xc3\xb18N\xbfY%\x05\xf8\x85\x89\xfc\xd2\xd7') sendfile(r1, r2, &(0x7f0000000240)=0x4b00, 0x4000000000dc) 10:46:39 executing program 5: pipe2$9p(&(0x7f0000000000), 0x81800) r0 = socket$kcm(0x10, 0x2, 0x10) sendmsg$kcm(r0, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000040)=[{&(0x7f0000000300)="1400000013000507ed008064d20010002e000080", 0x14}], 0x1}, 0x0) 10:46:40 executing program 1: r0 = perf_event_open(&(0x7f0000940000)={0x2, 0x70, 0xfffffffffffffffd, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}}, 0x0, 0x0, 0xffffffffffffffff, 0x0) mmap(&(0x7f00004da000/0x1000)=nil, 0x1000, 0x0, 0x4000012, r0, 0x0) mincore(&(0x7f00003fa000/0x200000)=nil, 0x20012e, &(0x7f0000000000)=""/222) 10:46:40 executing program 4: r0 = socket$kcm(0x2b, 0x8000000000001, 0x0) ioctl$PERF_EVENT_IOC_ENABLE(r0, 0x8912, 0x400200) r1 = socket$inet6(0xa, 0x3, 0x6) setsockopt$inet6_IPV6_FLOWLABEL_MGR(r1, 0x29, 0x38, &(0x7f0000000300)={@mcast2, 0x10000, 0x0, 0x102, 0x8000003}, 0x20) 10:46:40 executing program 0: mknod(&(0x7f0000000040)='./bus\x00', 0x2000000000001003, 0x0) r0 = open(&(0x7f0000000100)='./bus\x00', 0x20000000000b04, 0x0) socket$kcm(0x2b, 0x8000000000001, 0x0) ioctl$PERF_EVENT_IOC_ENABLE(r0, 0x8912, 0x4001fd) r1 = socket$inet6(0xa, 0x3, 0x6) r2 = syz_open_procfs(0x0, &(0x7f0000000600)='net/ip6_flowlabel\x00n\xc01\x14\x894X\xed\xc1\xc9\xd8\xdcK\r\x8d\xae\x98&@\xd0\xe6\xbbQ\xd7\xffYn\x1c\x92\xde\x0e\xaa1\x91\x98\xe9\x1f\nMCi|+\xcdw\xf0\x176Z\xf1`\xac\xf3;\xd6d2\xeb\xe5\f\x0e\x8b\xda\xf7\xfc9\xfe\xff4\xef\'\xa19q\x93\"\x7fG3\xc1E\xe6e6\xc6\xc2u\x11% \xe7+0\x97\x84;\\\xda\xc4\x80\xc3\xb18N\xbfY%\x05\xf8\x85\x89\xfc\xd2\xd7') r3 = socket$inet6_dccp(0xa, 0x6, 0x0) getsockopt$inet6_int(r3, 0x29, 0x3c, 0x0, &(0x7f00000015c0)) preadv(r3, &(0x7f00000006c0)=[{&(0x7f0000000000)=""/54, 0x36}, {&(0x7f0000000140)=""/220, 0xdc}, {&(0x7f0000000280)=""/214, 0xd6}, {&(0x7f0000000380)=""/171, 0xab}, {&(0x7f0000000440)=""/134, 0x86}, {&(0x7f0000000080)=""/63, 0x3f}, {&(0x7f0000000500)=""/246, 0xf6}], 0x7, 0x5) getresgid(&(0x7f00000000c0), &(0x7f0000000740), &(0x7f0000000780)) sendfile(r1, r2, &(0x7f0000000240)=0x202, 0x4000000000dc) 10:46:40 executing program 3: mknod(&(0x7f0000000040)='./bus\x00', 0x2000000000001003, 0x0) r0 = open(&(0x7f0000000100)='./bus\x00', 0x20000000000b04, 0x0) r1 = epoll_create(0x7) epoll_ctl$EPOLL_CTL_ADD(r1, 0x1, r0, &(0x7f00000001c0)) r2 = socket$kcm(0x2b, 0x8000000000001, 0x0) ioctl$PERF_EVENT_IOC_ENABLE(r2, 0x8912, 0x400200) r3 = openat$vcs(0xffffffffffffff9c, &(0x7f0000000000)='/dev/vcs\x00', 0x0, 0x0) r4 = socket$nl_generic(0x10, 0x3, 0x10) poll(&(0x7f0000000040)=[{r3}, {r2}, {r4}], 0x3, 0x6) r5 = socket(0x2000000000000021, 0x0, 0x10000000000002) connect$rxrpc(r5, &(0x7f0000000140)=@in4={0x21, 0x0, 0x2, 0x10, {0x2, 0x0, @rand_addr=0xdd}}, 0x24) sendmmsg(r5, &(0x7f0000005c00)=[{{0x0, 0xfffffffffffffd95, 0x0, 0x0, &(0x7f0000000000)=ANY=[@ANYBLOB="18000800000000001001000001000000ec00000000000000"], 0x18}}], 0x1, 0x0) r6 = socket$inet6(0xa, 0x3, 0x6) mmap(&(0x7f0000ffd000/0x2000)=nil, 0x2000, 0x8, 0x810, r6, 0x0) setsockopt$inet6_IPV6_FLOWLABEL_MGR(r6, 0x29, 0x20, &(0x7f0000000080)={@loopback, 0x800, 0x0, 0x100000003, 0x1, 0x0, 0x0, 0x400000000}, 0x20) setsockopt$inet6_IPV6_FLOWLABEL_MGR(r6, 0x29, 0x20, &(0x7f0000000300)={@mcast2, 0x10000, 0x0, 0x102, 0x8000003}, 0x20) setsockopt$inet6_IPV6_FLOWLABEL_MGR(r6, 0x29, 0x20, &(0x7f0000000040)={@loopback, 0x0, 0x0, 0x1, 0x3}, 0x20) connect$inet6(r6, &(0x7f0000000500)={0xa, 0x0, 0x40f7, @mcast2, 0x7ff}, 0x9) r7 = syz_open_procfs(0x0, &(0x7f0000000600)='net/ip6_flowlabel\x00n\xc01\x14\x894X\xed\xc1\xc9\xd8\xdcK\r\x8d\xae\x98&@\xd0\xe6\xbbQ\xd7\xffYn\x1c\x92\xde\x0e\xaa1\x91\x98\xe9\x1f\nMCi|+\xcdw\xf0\x176Z\xf1`\xac\xf3;\xd6d2\xeb\xe5\f\x0e\x8b\xda\xf7\xfc9\xfe\xff4\xef\'\xa19q\x93\"\x7fG3\xc1E\xe6e6\xc6\xc2u\x11% \xe7+0\x97\x84;\\\xda\xc4\x80\xc3\xb18N\xbfY%\x05\xf8\x85\x89\xfc\xd2\xd7') sendfile(r6, r7, &(0x7f0000000240)=0x202, 0x4000000000dc) r8 = syz_genetlink_get_family_id$nbd(&(0x7f0000000140)='nbd\x00') ioctl$KVM_S390_UCAS_UNMAP(r7, 0x4018ae51, &(0x7f00000000c0)={0x8000, 0x7ff, 0x2}) sendmsg$NBD_CMD_RECONFIGURE(r7, &(0x7f0000000200)={&(0x7f0000000100)={0x10, 0x0, 0x0, 0x80}, 0xc, &(0x7f00000001c0)={&(0x7f0000000180)={0x1ce, r8, 0xc05, 0x70bd29, 0x25dfdbff}, 0x14}, 0x1, 0x0, 0x0, 0x4}, 0x84) sendmsg$NBD_CMD_STATUS(r5, &(0x7f00000002c0)={&(0x7f0000000180)={0x10, 0x0, 0x0, 0x1000000}, 0xc, &(0x7f0000000280)={&(0x7f00000001c0)={0x28, r8, 0x10, 0x70bd25, 0x25dfdbfb, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x5}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x28}, 0x1, 0x0, 0x0, 0x8b29ba74f3c49941}, 0x4044) r9 = openat$audio(0xffffffffffffff9c, &(0x7f0000003500)='/dev/audio\x00', 0x200000, 0x0) r10 = socket$kcm(0x2b, 0x8000000000001, 0x0) ioctl$PERF_EVENT_IOC_ENABLE(r10, 0x8912, 0x400200) r11 = openat$vcs(0xffffffffffffff9c, &(0x7f0000000000)='/dev/vcs\x00', 0x0, 0x0) r12 = socket$nl_generic(0x10, 0x3, 0x10) poll(&(0x7f0000000040)=[{r11}, {r10}, {r12}], 0x3, 0x6) sendmsg$NBD_CMD_CONNECT(r3, &(0x7f0000003600)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x80}, 0xc, &(0x7f00000035c0)={&(0x7f0000003540)={0x54, r8, 0x300, 0x70bd2b, 0x25dfdbfe, {}, [@NBD_ATTR_SOCKETS={0x2c, 0x7, [{0x8, 0x1, r9}, {0x8, 0x1, r11}, {0x8, 0x1, r0}, {0x8}, {0x8, 0x1, r0}]}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}]}, 0x54}, 0x1, 0x0, 0x0, 0x80000c0}, 0x4000000) 10:46:40 executing program 5: r0 = openat$proc_capi20ncci(0xffffffffffffff9c, &(0x7f00000000c0)='/proc/capi/capi20ncci\x00', 0x8000, 0x0) ioctl$VFIO_IOMMU_UNMAP_DMA(r0, 0x3b72, &(0x7f0000000100)={0x20, 0x0, 0x1, 0x3, 0x7f}) r1 = socket$kcm(0x10, 0x2, 0x10) sendmsg$kcm(r1, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000040)=[{&(0x7f0000000300)="1400000013000507ed008064d20010002e000080", 0x14}], 0x1}, 0x0) r2 = socket$kcm(0x2b, 0x8000000000001, 0x0) ioctl$PERF_EVENT_IOC_ENABLE(r2, 0x8912, 0x400200) r3 = openat$vcs(0xffffffffffffff9c, &(0x7f0000000000)='/dev/vcs\x00', 0x0, 0x0) r4 = socket$nl_generic(0x10, 0x3, 0x10) poll(&(0x7f0000000040)=[{r3}, {r2}, {r4}], 0x3, 0x6) clock_gettime(0x0, &(0x7f0000000080)={0x0, 0x0}) sendmsg$can_bcm(r3, &(0x7f0000000180)={&(0x7f0000000000), 0x10, &(0x7f0000000140)={&(0x7f00000001c0)=ANY=[@ANYBLOB="04000000040c0000ffff000000000000", @ANYRES64=0x0, @ANYRES64=0x0, @ANYRES64=r5, @ANYRES64=r6/1000+10000, @ANYBLOB="0000008001080000000000e003020000a513dce0e58a30e8231106f638c2658530610a1f8a1fb9d9bc476e7785df029a"], 0x48}, 0x1, 0x0, 0x0, 0x20000000}, 0x4) 10:46:40 executing program 4: r0 = socket$kcm(0x2b, 0x8000000000001, 0x0) ioctl$PERF_EVENT_IOC_ENABLE(r0, 0x8912, 0x400200) r1 = socket$inet6(0xa, 0x3, 0x6) setsockopt$inet6_IPV6_FLOWLABEL_MGR(r1, 0x29, 0x39, &(0x7f0000000300)={@mcast2, 0x10000, 0x0, 0x102, 0x8000003}, 0x20) 10:46:40 executing program 1: r0 = perf_event_open(&(0x7f0000940000)={0x2, 0x70, 0xfffffffffffffffd, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}}, 0x0, 0x0, 0xffffffffffffffff, 0x0) mmap(&(0x7f00004da000/0x1000)=nil, 0x1000, 0x0, 0x4000012, r0, 0x0) mincore(&(0x7f00003fa000/0x200000)=nil, 0x20012f, &(0x7f0000000000)=""/222) 10:46:40 executing program 0: mknod(&(0x7f0000000040)='./bus\x00', 0x2000000000001003, 0x0) open(&(0x7f0000000100)='./bus\x00', 0x20000000000b04, 0x0) r0 = socket$kcm(0x2b, 0x8000000000001, 0x0) ioctl$PERF_EVENT_IOC_ENABLE(r0, 0x8912, 0x400200) socket$inet6(0xa, 0x3, 0x6) syz_open_procfs(0x0, &(0x7f0000000600)='net/ip6_flowlabel\x00n\xc01\x14\x894X\xed\xc1\xc9\xd8\xdcK\r\x8d\xae\x98&@\xd0\xe6\xbbQ\xd7\xffYn\x1c\x92\xde\x0e\xaa1\x91\x98\xe9\x1f\nMCi|+\xcdw\xf0\x176Z\xf1`\xac\xf3;\xd6d2\xeb\xe5\f\x0e\x8b\xda\xf7\xfc9\xfe\xff4\xef\'\xa19q\x93\"\x7fG3\xc1E\xe6e6\xc6\xc2u\x11% \xe7+0\x97\x84;\\\xda\xc4\x80\xc3\xb18N\xbfY%\x05\xf8\x85\x89\xfc\xd2\xd7') timerfd_create(0x5, 0x180000) syz_open_dev$vivid(&(0x7f0000000140)='/dev/video#\x00', 0x1, 0x2) openat$btrfs_control(0xffffffffffffff9c, &(0x7f0000000180)='/dev/btrfs-control\x00', 0x105042, 0x0) r1 = socket$inet6_dccp(0xa, 0x6, 0x0) getsockopt$inet6_int(r1, 0x29, 0x3c, 0x0, &(0x7f00000015c0)) sendfile(r1, r0, &(0x7f00000000c0)=0x28, 0x4000000000dc) r2 = socket$kcm(0x2b, 0x8000000000001, 0x0) ioctl$PERF_EVENT_IOC_ENABLE(r2, 0x8912, 0x400200) r3 = openat$vcs(0xffffffffffffff9c, &(0x7f0000000000)='/dev/vcs\x00', 0x0, 0x0) r4 = socket$nl_generic(0x10, 0x3, 0x10) poll(&(0x7f0000000040)=[{r3}, {r2}, {r4}], 0x3, 0x6) getsockopt$rose(r3, 0x104, 0x6, &(0x7f0000000000), &(0x7f0000000080)=0x4) 10:46:40 executing program 3: mknod(&(0x7f0000000040)='./bus\x00', 0x2000000000001003, 0x0) r0 = open(&(0x7f0000000100)='./bus\x00', 0x20000000000b04, 0x0) r1 = epoll_create(0x7) epoll_ctl$EPOLL_CTL_ADD(r1, 0x1, r0, &(0x7f00000001c0)) r2 = socket$kcm(0x2b, 0x8000000000001, 0x0) ioctl$PERF_EVENT_IOC_ENABLE(r2, 0x8912, 0x400200) r3 = openat$vcs(0xffffffffffffff9c, &(0x7f0000000000)='/dev/vcs\x00', 0x0, 0x0) r4 = socket$nl_generic(0x10, 0x3, 0x10) poll(&(0x7f0000000040)=[{r3}, {r2}, {r4}], 0x3, 0x6) r5 = socket(0x2000000000000021, 0x2, 0x0) connect$rxrpc(r5, &(0x7f0000000140)=@in4={0x21, 0x0, 0x2, 0x10, {0x2, 0x0, @rand_addr=0xdd}}, 0x24) sendmmsg(r5, &(0x7f0000005c00)=[{{0x0, 0xfffffffffffffd95, 0x0, 0x0, &(0x7f0000000000)=ANY=[@ANYBLOB="18000800000000001001000001000000ec00000000000000"], 0x18}}], 0x1, 0x0) r6 = socket$inet6(0xa, 0x3, 0x6) mmap(&(0x7f0000ffd000/0x2000)=nil, 0x2000, 0x8, 0x810, r6, 0x0) setsockopt$inet6_IPV6_FLOWLABEL_MGR(r6, 0x29, 0x20, &(0x7f0000000080)={@loopback, 0x800, 0x0, 0x100000003, 0x1, 0x0, 0x0, 0x400000000}, 0x20) setsockopt$inet6_IPV6_FLOWLABEL_MGR(r6, 0x29, 0x20, &(0x7f0000000300)={@mcast2, 0x10000, 0x0, 0x102, 0x8000003}, 0x20) setsockopt$inet6_IPV6_FLOWLABEL_MGR(r6, 0x29, 0x20, &(0x7f0000000040)={@loopback, 0x0, 0x0, 0x1, 0x3}, 0x20) connect$inet6(r6, &(0x7f0000000500)={0xa, 0x0, 0x40f7, @mcast2, 0x7ff}, 0x9) r7 = syz_open_procfs(0x0, &(0x7f0000000600)='net/ip6_flowlabel\x00n\xc01\x14\x894X\xed\xc1\xc9\xd8\xdcK\r\x8d\xae\x98&@\xd0\xe6\xbbQ\xd7\xffYn\x1c\x92\xde\x0e\xaa1\x91\x98\xe9\x1f\nMCi|+\xcdw\xf0\x176Z\xf1`\xac\xf3;\xd6d2\xeb\xe5\f\x0e\x8b\xda\xf7\xfc9\xfe\xff4\xef\'\xa19q\x93\"\x7fG3\xc1E\xe6e6\xc6\xc2u\x11% \xe7+0\x97\x84;\\\xda\xc4\x80\xc3\xb18N\xbfY%\x05\xf8\x85\x89\xfc\xd2\xd7') sendfile(r6, r7, &(0x7f0000000240)=0x202, 0x4000000000dc) r8 = syz_genetlink_get_family_id$nbd(&(0x7f0000000140)='nbd\x00') ioctl$KVM_S390_UCAS_UNMAP(r7, 0x4018ae51, &(0x7f00000000c0)={0x8000, 0x7ff, 0x2}) sendmsg$NBD_CMD_RECONFIGURE(r7, &(0x7f0000000200)={&(0x7f0000000100)={0x10, 0x0, 0x0, 0x80}, 0xc, &(0x7f00000001c0)={&(0x7f0000000180)={0x1ce, r8, 0xc05, 0x70bd29, 0x25dfdbff}, 0x14}, 0x1, 0x0, 0x0, 0x4}, 0x84) sendmsg$NBD_CMD_STATUS(r5, &(0x7f00000002c0)={&(0x7f0000000180)={0x10, 0x0, 0x0, 0x1000000}, 0xc, &(0x7f0000000280)={&(0x7f00000001c0)={0x28, r8, 0x10, 0x70bd25, 0x25dfdbfb, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x5}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x28}, 0x1, 0x0, 0x0, 0x8b29ba74f3c49941}, 0x4044) r9 = openat$audio(0xffffffffffffff9c, &(0x7f0000003500)='/dev/audio\x00', 0x200000, 0x0) r10 = socket$kcm(0x2b, 0x8000000000001, 0x0) ioctl$PERF_EVENT_IOC_ENABLE(r10, 0x8912, 0x400200) r11 = openat$vcs(0xffffffffffffff9c, &(0x7f0000000000)='/dev/vcs\x00', 0x0, 0x0) r12 = socket$nl_generic(0x10, 0x3, 0x10) poll(&(0x7f0000000040)=[{r11}, {r10}, {r12}], 0x3, 0x6) sendmsg$NBD_CMD_CONNECT(r3, &(0x7f0000003600)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x80}, 0xc, &(0x7f00000035c0)={&(0x7f0000003540)={0x54, r8, 0x300, 0x70bd2b, 0x25dfdbfe, {}, [@NBD_ATTR_SOCKETS={0x2c, 0x7, [{0x8, 0x1, r9}, {0x8, 0x1, r11}, {0x8, 0x1, r0}, {0x8}, {0x8, 0x1, r0}]}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}]}, 0x54}, 0x1, 0x0, 0x0, 0x80000c0}, 0x4000000) 10:46:40 executing program 4: r0 = socket$kcm(0x2b, 0x8000000000001, 0x0) ioctl$PERF_EVENT_IOC_ENABLE(r0, 0x8912, 0x400200) r1 = socket$inet6(0xa, 0x3, 0x6) setsockopt$inet6_IPV6_FLOWLABEL_MGR(r1, 0x29, 0x3a, &(0x7f0000000300)={@mcast2, 0x10000, 0x0, 0x102, 0x8000003}, 0x20) 10:46:40 executing program 5: r0 = socket$kcm(0x10, 0x2, 0x10) r1 = socket$inet6_sctp(0xa, 0x1, 0x84) r2 = perf_event_open(&(0x7f0000000040)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) fcntl$setstatus(r2, 0x4, 0x42000) unshare(0x20000) syz_open_dev$vbi(0x0, 0x2, 0x2) perf_event_open(0x0, 0x0, 0x0, 0xffffffffffffffff, 0x0) getpid() r3 = syz_open_procfs$namespace(0x0, &(0x7f00000000c0)='ns/mnt\x00') setns(r3, 0x0) recvmmsg(r1, &(0x7f000000aa80)=[{{&(0x7f0000000080)=@pppoe, 0xffffffffffffffda, &(0x7f00000001c0)=[{&(0x7f0000000340)=""/4096, 0x1000}, {&(0x7f0000009a00)=""/53, 0x35}, {&(0x7f0000001340)=""/4096, 0x1000}, {&(0x7f0000000100)=""/32, 0x20}, {&(0x7f0000000140)=""/62, 0x3e}, {&(0x7f0000000180)=""/57, 0x3e}, {&(0x7f0000002340)=""/4096, 0x1000}], 0x7, &(0x7f0000003340)=""/4096, 0x1000}, 0x9ad}, {{0x0, 0x0, &(0x7f0000000240)=[{&(0x7f0000004340)=""/254, 0xfe}, {&(0x7f0000004440)=""/180, 0xb4}, {&(0x7f0000004500)=""/222, 0xde}, {&(0x7f0000004600)=""/4096, 0x1000}], 0x4}, 0xfffffff7}, {{&(0x7f0000005600)=@ll={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @remote}, 0x80, &(0x7f0000005900), 0x0, &(0x7f0000005940)=""/103, 0x67}, 0xc}, {{0x0, 0x0, &(0x7f0000005a40)=[{&(0x7f00000059c0)=""/91, 0x5b}], 0x1, &(0x7f0000005a80)=""/4096, 0x1000}, 0x5}, {{&(0x7f0000006a80)=@ethernet={0x0, @broadcast}, 0x80, &(0x7f0000007e80)=[{&(0x7f0000006b00)=""/21, 0x15}, {&(0x7f0000006b40)=""/226, 0xe2}, {&(0x7f0000006c40)=""/9, 0x9}, {&(0x7f0000006c80)=""/10, 0xa}, {&(0x7f0000006cc0)=""/180, 0xb4}, {&(0x7f0000006dc0)=""/191, 0xbf}, {&(0x7f0000009a40)=""/4103, 0x1007}], 0x7, &(0x7f0000007f00)=""/54, 0x36}, 0x4}, {{&(0x7f0000007f40)=@ax25={{0x3, @netrom}, [@remote, @remote, @null, @remote, @rose, @default, @bcast]}, 0x80, &(0x7f0000009940)=[{&(0x7f0000007fc0)=""/4096, 0x1000}, {&(0x7f0000008fc0)=""/108, 0x6c}, {&(0x7f0000009040)=""/156, 0x9c}, {&(0x7f0000009100)=""/73, 0x49}, {&(0x7f00000098c0)=""/88, 0x58}, {&(0x7f0000009200)=""/199, 0xc7}, {&(0x7f0000009300)=""/161, 0xa1}, {&(0x7f00000093c0)=""/151, 0x97}, {&(0x7f0000009480)=""/246, 0xf6}, {&(0x7f0000009580)=""/81, 0x51}], 0xa}, 0x4}], 0x6, 0x20, &(0x7f0000009840)={0x77359400}) sendmsg$kcm(r0, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000040)=[{&(0x7f0000000300)="1400000013000507ed008064d20010002e000080", 0x14}], 0x1}, 0x0) openat$audio(0xffffffffffffff9c, &(0x7f0000009880)='/dev/audio\x00', 0x4000, 0x0) 10:46:40 executing program 0: mknod(&(0x7f0000000040)='./bus\x00', 0x2000000000001003, 0x0) r0 = open(&(0x7f0000000100)='./bus\x00', 0x20000000000b04, 0x0) r1 = socket$kcm(0x2b, 0x8000000000001, 0x0) ioctl$PERF_EVENT_IOC_ENABLE(r1, 0x8912, 0x400200) r2 = socket$inet6(0xa, 0x3, 0x6) r3 = syz_open_procfs(0x0, &(0x7f0000000600)='net/ip6_flowlabel\x00n\xc01\x14\x894X\xed\xc1\xc9\xd8\xdcK\r\x8d\xae\x98&@\xd0\xe6\xbbQ\xd7\xffYn\x1c\x92\xde\x0e\xaa1\x91\x98\xe9\x1f\nMCi|+\xcdw\xf0\x176Z\xf1`\xac\xf3;\xd6d2\xeb\xe5\f\x0e\x8b\xda\xf7\xfc9\xfe\xff4\xef\'\xa19q\x93\"\x7fG3\xc1E\xe6e6\xc6\xc2u\x11% \xe7+0\x97\x84;\\\xda\xc4\x80\xc3\xb18N\xbfY%\x05\xf8\x85\x89\xfc\xd2\xd7') sendfile(r2, r3, &(0x7f0000000240)=0x202, 0x4000000000dc) socket$nl_xfrm(0x10, 0x3, 0x6) ioctl$SIOCX25SCALLUSERDATA(r0, 0x89e5, &(0x7f0000000140)={0x15, "69b25fc47cc0a6f7e2f7b6427f3d7e7875f3dd6a6e2988d3092600e13d355f74666f03fe6bae3d20ae668c29796e607b1ebb3455706b278d9fc8b37ef9414867698ebb37d85ef07f8e40c62eb6ffd810b7d54ce2c64610f549e5f8dabed7663b741423347c1b2b4fd81760cf4fa82f1cda53e4b221130a7b22cb186de46b49bc"}) 10:46:40 executing program 1: r0 = perf_event_open(&(0x7f0000940000)={0x2, 0x70, 0xfffffffffffffffd, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}}, 0x0, 0x0, 0xffffffffffffffff, 0x0) mmap(&(0x7f00004da000/0x1000)=nil, 0x1000, 0x0, 0x4000012, r0, 0x0) mincore(&(0x7f00003fa000/0x200000)=nil, 0x200130, &(0x7f0000000000)=""/222) 10:46:40 executing program 3: mknod(&(0x7f0000000040)='./bus\x00', 0x2000000000001003, 0x0) r0 = open(&(0x7f0000000100)='./bus\x00', 0x20000000000b04, 0x0) r1 = epoll_create(0x7) epoll_ctl$EPOLL_CTL_ADD(r1, 0x1, r0, &(0x7f00000001c0)) r2 = socket$kcm(0x2b, 0x8000000000001, 0x0) ioctl$PERF_EVENT_IOC_ENABLE(r2, 0x8912, 0x400200) r3 = openat$vcs(0xffffffffffffff9c, &(0x7f0000000000)='/dev/vcs\x00', 0x0, 0x0) r4 = socket$nl_generic(0x10, 0x3, 0x10) poll(&(0x7f0000000040)=[{r3}, {r2}, {r4}], 0x3, 0x6) r5 = socket(0x2000000000000021, 0x2, 0x0) connect$rxrpc(r5, &(0x7f0000000140)=@in4={0x21, 0x0, 0x2, 0x10, {0x2, 0x0, @rand_addr=0xdd}}, 0x24) sendmmsg(r5, &(0x7f0000005c00)=[{{0x0, 0xfffffffffffffd95, 0x0, 0x0, &(0x7f0000000000)=ANY=[@ANYBLOB="18000800000000001001000001000000ec00000000000000"], 0x18}}], 0x1, 0x0) r6 = socket$inet6(0xa, 0x3, 0x6) mmap(&(0x7f0000ffd000/0x2000)=nil, 0x2000, 0x8, 0x810, r6, 0x0) setsockopt$inet6_IPV6_FLOWLABEL_MGR(r6, 0x29, 0x20, &(0x7f0000000080)={@loopback, 0x800, 0x0, 0x100000003, 0x1, 0x0, 0x0, 0x400000000}, 0x20) setsockopt$inet6_IPV6_FLOWLABEL_MGR(r6, 0x29, 0x20, &(0x7f0000000300)={@mcast2, 0x10000, 0x0, 0x102, 0x8000003}, 0x20) setsockopt$inet6_IPV6_FLOWLABEL_MGR(r6, 0x29, 0x20, &(0x7f0000000040)={@loopback, 0x0, 0x0, 0x1, 0x3}, 0x20) connect$inet6(r6, &(0x7f0000000500)={0xa, 0x0, 0x40f7, @mcast2, 0x7ff}, 0x9) r7 = syz_open_procfs(0x0, &(0x7f0000000600)='net/ip6_flowlabel\x00n\xc01\x14\x894X\xed\xc1\xc9\xd8\xdcK\r\x8d\xae\x98&@\xd0\xe6\xbbQ\xd7\xffYn\x1c\x92\xde\x0e\xaa1\x91\x98\xe9\x1f\nMCi|+\xcdw\xf0\x176Z\xf1`\xac\xf3;\xd6d2\xeb\xe5\f\x0e\x8b\xda\xf7\xfc9\xfe\xff4\xef\'\xa19q\x93\"\x7fG3\xc1E\xe6e6\xc6\xc2u\x11% \xe7+0\x97\x84;\\\xda\xc4\x80\xc3\xb18N\xbfY%\x05\xf8\x85\x89\xfc\xd2\xd7') sendfile(r6, r7, &(0x7f0000000240)=0x202, 0x4000000000dc) r8 = syz_genetlink_get_family_id$nbd(&(0x7f0000000140)='nbd\x00') ioctl$KVM_S390_UCAS_UNMAP(r7, 0x4018ae51, &(0x7f00000000c0)={0x8000, 0x7ff, 0x2}) sendmsg$NBD_CMD_RECONFIGURE(r7, &(0x7f0000000200)={&(0x7f0000000100)={0x10, 0x0, 0x0, 0x80}, 0xc, &(0x7f00000001c0)={&(0x7f0000000180)={0x1ce, r8, 0xc05, 0x70bd29, 0x25dfdbff}, 0x14}, 0x1, 0x0, 0x0, 0x4}, 0x84) sendmsg$NBD_CMD_STATUS(r5, &(0x7f00000002c0)={&(0x7f0000000180)={0x10, 0x0, 0x0, 0x1000000}, 0xc, &(0x7f0000000280)={&(0x7f00000001c0)={0x28, r8, 0x10, 0x70bd25, 0x25dfdbfb, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x5}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x28}, 0x1, 0x0, 0x0, 0x8b29ba74f3c49941}, 0x4044) r9 = openat$audio(0xffffffffffffff9c, &(0x7f0000003500)='/dev/audio\x00', 0x200000, 0x0) r10 = socket$kcm(0x2b, 0x8000000000001, 0x0) ioctl$PERF_EVENT_IOC_ENABLE(r10, 0x8912, 0x400200) r11 = openat$vcs(0xffffffffffffff9c, &(0x7f0000000000)='/dev/vcs\x00', 0x0, 0x0) r12 = socket$nl_generic(0x10, 0x3, 0x10) poll(&(0x7f0000000040)=[{r11}, {r10}, {r12}], 0x3, 0x6) sendmsg$NBD_CMD_CONNECT(r3, &(0x7f0000003600)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x80}, 0xc, &(0x7f00000035c0)={&(0x7f0000003540)={0x54, r8, 0x300, 0x70bd2b, 0x25dfdbfe, {}, [@NBD_ATTR_SOCKETS={0x2c, 0x7, [{0x8, 0x1, r9}, {0x8, 0x1, r11}, {0x8, 0x1, r0}, {0x8}, {0x8, 0x1, r0}]}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}]}, 0x54}, 0x1, 0x0, 0x0, 0x80000c0}, 0x4000000) 10:46:40 executing program 5: r0 = socket$kcm(0x2b, 0x8000000000001, 0x0) ioctl$PERF_EVENT_IOC_ENABLE(r0, 0x8912, 0x400200) r1 = openat$vcs(0xffffffffffffff9c, &(0x7f0000000000)='/dev/vcs\x00', 0x0, 0x0) r2 = socket$nl_generic(0x10, 0x3, 0x10) poll(&(0x7f0000000040)=[{r1}, {r0}, {r2}], 0x3, 0x6) bind$ax25(r1, &(0x7f0000000080)={{0x3, @remote={0xcc, 0xcc, 0xcc, 0xcc, 0xcc, 0xcc, 0x2}, 0x3}, [@netrom={0xbb, 0xbb, 0xbb, 0xbb, 0xbb, 0x0, 0x0}, @rose={0xbb, 0xbb, 0xbb, 0x1, 0x0}, @default, @null, @null, @bcast, @bcast, @netrom={0xbb, 0xbb, 0xbb, 0xbb, 0xbb, 0x0, 0x0}]}, 0x48) r3 = socket$kcm(0x10, 0x2, 0x10) sendmsg$kcm(r3, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000040)=[{&(0x7f0000000300)="1400000013000507ed008064d20010002e000080", 0x14}], 0x1}, 0x0) 10:46:40 executing program 4: r0 = socket$kcm(0x2b, 0x8000000000001, 0x0) ioctl$PERF_EVENT_IOC_ENABLE(r0, 0x8912, 0x400200) r1 = socket$inet6(0xa, 0x3, 0x6) setsockopt$inet6_IPV6_FLOWLABEL_MGR(r1, 0x29, 0x3b, &(0x7f0000000300)={@mcast2, 0x10000, 0x0, 0x102, 0x8000003}, 0x20) 10:46:41 executing program 0: openat$proc_capi20ncci(0xffffffffffffff9c, &(0x7f0000000100)='/proc/capi/capi20ncci\x00', 0x2170c0, 0x0) mknod(&(0x7f0000000040)='./bus\x00', 0x2000000000001003, 0x0) open(&(0x7f00000000c0)='./file0\x00', 0xb626cc2dd3cabb9d, 0x8) r0 = socket$kcm(0x2b, 0x8000000000001, 0x0) ioctl$PERF_EVENT_IOC_ENABLE(r0, 0x8912, 0x400200) r1 = openat$full(0xffffffffffffff9c, &(0x7f0000000300)='/dev/full\x00', 0x8000, 0x0) ioctl$TIOCLINUX5(r1, 0x541c, &(0x7f0000000340)={0x5, 0x101, 0x800, 0x8, 0x8001}) r2 = socket$inet6_dccp(0xa, 0x6, 0x0) getsockopt$inet6_int(r2, 0x29, 0x3c, 0x0, &(0x7f00000015c0)) fsetxattr$trusted_overlay_redirect(r2, &(0x7f0000000280)='trusted.overlay.redirect\x00', &(0x7f00000002c0)='./file0\x00', 0x8, 0x0) r3 = open(&(0x7f0000000000)='./bus\x00', 0x202080, 0x1) statfs(&(0x7f0000000140)='./file0\x00', &(0x7f0000000180)=""/192) connect$inet6(r3, &(0x7f0000000080)={0xa, 0x4e22, 0x6, @mcast2, 0xffff86f8}, 0x1c) r4 = socket$inet6(0xa, 0x3, 0x6) r5 = syz_open_procfs(0x0, &(0x7f0000000600)='net/ip6_flowlabel\x00n\xc01\x14\x894X\xed\xc1\xc9\xd8\xdcK\r\x8d\xae\x98&@\xd0\xe6\xbbQ\xd7\xffYn\x1c\x92\xde\x0e\xaa1\x91\x98\xe9\x1f\nMCi|+\xcdw\xf0\x176Z\xf1`\xac\xf3;\xd6d2\xeb\xe5\f\x0e\x8b\xda\xf7\xfc9\xfe\xff4\xef\'\xa19q\x93\"\x7fG3\xc1E\xe6e6\xc6\xc2u\x11% \xe7+0\x97\x84;\\\xda\xc4\x80\xc3\xb18N\xbfY%\x05\xf8\x85\x89\xfc\xd2\xd7') sendfile(r4, r5, &(0x7f0000000240)=0x202, 0x4000000000dc) 10:46:41 executing program 1: r0 = perf_event_open(&(0x7f0000940000)={0x2, 0x70, 0xfffffffffffffffd, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}}, 0x0, 0x0, 0xffffffffffffffff, 0x0) mmap(&(0x7f00004da000/0x1000)=nil, 0x1000, 0x0, 0x4000012, r0, 0x0) mincore(&(0x7f00003fa000/0x200000)=nil, 0x200131, &(0x7f0000000000)=""/222) 10:46:41 executing program 5: r0 = socket$kcm(0x10, 0x2, 0x10) sendmsg$kcm(r0, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000040)=[{&(0x7f0000000300)="1400000013000507ed008064d20010002e000080", 0x14}], 0x1}, 0x0) r1 = socket$kcm(0x2b, 0x8000000000001, 0x0) ioctl$PERF_EVENT_IOC_ENABLE(r1, 0x8912, 0x400200) r2 = openat$vcs(0xffffffffffffff9c, &(0x7f0000000000)='/dev/vcs\x00', 0x0, 0x0) r3 = socket$nl_generic(0x10, 0x3, 0x10) poll(&(0x7f0000000040)=[{r2}, {r1}, {r3}], 0x3, 0x6) ioctl$SIOCGIFMTU(r2, 0x8921, &(0x7f0000000000)) 10:46:41 executing program 0: mknod(&(0x7f0000000040)='./bus\x00', 0x2000000000001003, 0x0) openat$dir(0xffffffffffffff9c, &(0x7f0000000000)='./bus\x00', 0x669304, 0x42924fc949adfad) open(&(0x7f0000000100)='./bus\x00', 0x20000000400b04, 0x0) r0 = socket$kcm(0x2b, 0x8000000000001, 0x0) ioctl$PERF_EVENT_IOC_ENABLE(r0, 0x8912, 0x400200) r1 = socket$inet6(0xa, 0x3, 0x6) r2 = syz_open_procfs(0x0, &(0x7f0000000600)='net/ip6_flowlabel\x00n\xc01\x14\x894X\xed\xc1\xc9\xd8\xdcK\r\x8d\xae\x98&@\xd0\xe6\xbbQ\xd7\xffYn\x1c\x92\xde\x0e\xaa1\x91\x98\xe9\x1f\nMCi|+\xcdw\xf0\x176Z\xf1`\xac\xf3;\xd6d2\xeb\xe5\f\x0e\x8b\xda\xf7\xfc9\xfe\xff4\xef\'\xa19q\x93\"\x7fG3\xc1E\xe6e6\xc6\xc2u\x11% \xe7+0\x97\x84;\\\xda\xc4\x80\xc3\xb18N\xbfY%\x05\xf8\x85\x89\xfc\xd2\xd7') sendfile(r1, r2, &(0x7f0000000240)=0x202, 0x4000000000dc) 10:46:41 executing program 4: r0 = socket$kcm(0x2b, 0x8000000000001, 0x0) ioctl$PERF_EVENT_IOC_ENABLE(r0, 0x8912, 0x400200) r1 = socket$inet6(0xa, 0x3, 0x6) setsockopt$inet6_IPV6_FLOWLABEL_MGR(r1, 0x29, 0x3c, &(0x7f0000000300)={@mcast2, 0x10000, 0x0, 0x102, 0x8000003}, 0x20) 10:46:41 executing program 3: mknod(&(0x7f0000000040)='./bus\x00', 0x2000000000001003, 0x0) r0 = open(&(0x7f0000000100)='./bus\x00', 0x20000000000b04, 0x0) r1 = epoll_create(0x7) epoll_ctl$EPOLL_CTL_ADD(r1, 0x1, r0, &(0x7f00000001c0)) r2 = socket$kcm(0x2b, 0x8000000000001, 0x0) ioctl$PERF_EVENT_IOC_ENABLE(r2, 0x8912, 0x400200) r3 = openat$vcs(0xffffffffffffff9c, &(0x7f0000000000)='/dev/vcs\x00', 0x0, 0x0) r4 = socket$nl_generic(0x10, 0x3, 0x10) poll(&(0x7f0000000040)=[{r3}, {r2}, {r4}], 0x3, 0x6) r5 = socket(0x2000000000000021, 0x2, 0x0) connect$rxrpc(r5, &(0x7f0000000140)=@in4={0x21, 0x0, 0x2, 0x10, {0x2, 0x0, @rand_addr=0xdd}}, 0x24) sendmmsg(r5, &(0x7f0000005c00)=[{{0x0, 0xfffffffffffffd95, 0x0, 0x0, &(0x7f0000000000)=ANY=[@ANYBLOB="18000800000000001001000001000000ec00000000000000"], 0x18}}], 0x1, 0x0) r6 = socket$inet6(0xa, 0x3, 0x6) mmap(&(0x7f0000ffd000/0x2000)=nil, 0x2000, 0x8, 0x810, r6, 0x0) setsockopt$inet6_IPV6_FLOWLABEL_MGR(r6, 0x29, 0x20, &(0x7f0000000080)={@loopback, 0x800, 0x0, 0x100000003, 0x1, 0x0, 0x0, 0x400000000}, 0x20) setsockopt$inet6_IPV6_FLOWLABEL_MGR(r6, 0x29, 0x20, &(0x7f0000000300)={@mcast2, 0x10000, 0x0, 0x102, 0x8000003}, 0x20) setsockopt$inet6_IPV6_FLOWLABEL_MGR(r6, 0x29, 0x20, &(0x7f0000000040)={@loopback, 0x0, 0x0, 0x1, 0x3}, 0x20) connect$inet6(r6, &(0x7f0000000500)={0xa, 0x0, 0x40f7, @mcast2, 0x7ff}, 0x9) r7 = syz_open_procfs(0x0, &(0x7f0000000600)='net/ip6_flowlabel\x00n\xc01\x14\x894X\xed\xc1\xc9\xd8\xdcK\r\x8d\xae\x98&@\xd0\xe6\xbbQ\xd7\xffYn\x1c\x92\xde\x0e\xaa1\x91\x98\xe9\x1f\nMCi|+\xcdw\xf0\x176Z\xf1`\xac\xf3;\xd6d2\xeb\xe5\f\x0e\x8b\xda\xf7\xfc9\xfe\xff4\xef\'\xa19q\x93\"\x7fG3\xc1E\xe6e6\xc6\xc2u\x11% \xe7+0\x97\x84;\\\xda\xc4\x80\xc3\xb18N\xbfY%\x05\xf8\x85\x89\xfc\xd2\xd7') sendfile(r6, r7, &(0x7f0000000240)=0x202, 0x4000000000dc) r8 = syz_genetlink_get_family_id$nbd(&(0x7f0000000140)='nbd\x00') ioctl$KVM_S390_UCAS_UNMAP(r7, 0x4018ae51, &(0x7f00000000c0)={0x8000, 0x7ff, 0x2}) sendmsg$NBD_CMD_RECONFIGURE(r7, &(0x7f0000000200)={&(0x7f0000000100)={0x10, 0x0, 0x0, 0x80}, 0xc, &(0x7f00000001c0)={&(0x7f0000000180)={0x1ce, r8, 0xc05, 0x70bd29, 0x25dfdbff}, 0x14}, 0x1, 0x0, 0x0, 0x4}, 0x84) sendmsg$NBD_CMD_STATUS(r5, &(0x7f00000002c0)={&(0x7f0000000180)={0x10, 0x0, 0x0, 0x1000000}, 0xc, &(0x7f0000000280)={&(0x7f00000001c0)={0x28, r8, 0x10, 0x70bd25, 0x25dfdbfb, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x5}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x28}, 0x1, 0x0, 0x0, 0x8b29ba74f3c49941}, 0x4044) r9 = openat$audio(0xffffffffffffff9c, &(0x7f0000003500)='/dev/audio\x00', 0x200000, 0x0) r10 = socket$kcm(0x2b, 0x8000000000001, 0x0) ioctl$PERF_EVENT_IOC_ENABLE(r10, 0x8912, 0x400200) r11 = openat$vcs(0xffffffffffffff9c, &(0x7f0000000000)='/dev/vcs\x00', 0x0, 0x0) r12 = socket$nl_generic(0x10, 0x3, 0x10) poll(&(0x7f0000000040)=[{r11}, {r10}, {r12}], 0x3, 0x6) sendmsg$NBD_CMD_CONNECT(r3, &(0x7f0000003600)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x80}, 0xc, &(0x7f00000035c0)={&(0x7f0000003540)={0x54, r8, 0x300, 0x70bd2b, 0x25dfdbfe, {}, [@NBD_ATTR_SOCKETS={0x2c, 0x7, [{0x8, 0x1, r9}, {0x8, 0x1, r11}, {0x8, 0x1, r0}, {0x8}, {0x8, 0x1, r0}]}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}]}, 0x54}, 0x1, 0x0, 0x0, 0x80000c0}, 0x4000000) 10:46:41 executing program 1: r0 = perf_event_open(&(0x7f0000940000)={0x2, 0x70, 0xfffffffffffffffd, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}}, 0x0, 0x0, 0xffffffffffffffff, 0x0) mmap(&(0x7f00004da000/0x1000)=nil, 0x1000, 0x0, 0x4000012, r0, 0x0) mincore(&(0x7f00003fa000/0x200000)=nil, 0x200132, &(0x7f0000000000)=""/222) 10:46:41 executing program 0: mknod(&(0x7f0000000040)='./bus\x00', 0x2000000000001003, 0x0) r0 = open(&(0x7f0000000100)='./bus\x00', 0x20000000000b04, 0x0) r1 = socket$kcm(0x2b, 0x8000000000001, 0x0) ioctl$PERF_EVENT_IOC_ENABLE(r1, 0x8912, 0x400200) r2 = socket$inet6(0xa, 0x3, 0x6) modify_ldt$read(0x0, &(0x7f00000006c0)=""/118, 0x76) r3 = syz_open_procfs(0x0, &(0x7f0000000600)='net/ip6_flowlabel\x00n\xc01\x14\x894X\xed\xc1\xc9\xd8\xdcK\r\x8d\xae\x98&@\xd0\xe6\xbbQ\xd7\xffYn\x1c\x92\xde\x0e\xaa1\x91\x98\xe9\x1f\nMCi|+\xcdw\xf0\x176Z\xf1`\xac\xf3;\xd6d2\xeb\xe5\f\x0e\x8b\xda\xf7\xfc9\xfe\xff4\xef\'\xa19q\x93\"\x7fG3\xc1E\xe6e6\xc6\xc2u\x11% \xe7+0\x97\x84;\\\xda\xc4\x80\xc3\xb18N\xbfY%\x05\xf8\x85\x89\xfc\xd2\xd7') connect$unix(r0, &(0x7f0000000780)=@file={0x0, './bus\x00'}, 0x6e) sendfile(r2, r3, &(0x7f0000000240)=0x203, 0x4000000000dc) syz_mount_image$btrfs(&(0x7f0000000000)='btrfs\x00', &(0x7f0000000080)='./bus\x00', 0x1, 0x7, &(0x7f00000004c0)=[{&(0x7f00000000c0), 0x0, 0x3}, {&(0x7f0000000140)="3d626dc5a2bd1e2de67a62132aa4867eda413e9919533d38047197daced5b92581eb4561074bad5851f3cea1adbca7ccdf45bb8daeecb5fcc214f65314b99f2da135fd5ab19d577c7708b71ba6e7b2176edd544222de3a9030cd7d2e8872d26feda4377c28e491a26ec7e4bbd7f2cb238788dc5befcee650232f625c3b88247a18d591ff8fa1e0a456b09563b4433571bc0212cbbc2b5002664c1d26fc60c1eb56bf07d4dff6", 0xa6, 0x6}, {&(0x7f0000000200)="741d32", 0x3, 0x2}, {&(0x7f0000000280)="98d9eaee417e2a3573c25d47d42c2f3bd861e28a5270", 0x16, 0x2}, {&(0x7f00000002c0)="c5646025ce9e0a748a9c20cda31762eeec006a5fccb92470d776c3af3b7692b8366450f11d5c793514abec306ca2e5824fb897f51304b8718af88cc4b875cf17a3fe8f58a10fdafdc34ab06d6526fb5aaf44bee01de24cae9cb1dcc4cd59f867044519b8d2ea9e702f5dd1c252644b7ad0fdc8c6211df1ca35b6d90424db8eab3d0f951128690193dcc7591e2caf3427b7d2bd61f53b883839d45277097f857d49a99a092350aa310f5a3e8fb6cf3e57fb30ac3b13c1aa", 0xb7, 0xe5c}, {&(0x7f0000000380)="d9ad90d2ffd0c79191ee1397135fbac114be09ef5f353ff37cf1d5479a1ee42dc0e94802cf971642bcf8b377057650955a74f7e126e5f95ac3a037bb119559935249aa45671024f2875060b7cbcb43d15bf740bacdfb05f746edb00fdbff25b618c656420feb9f2ca4bb434078b92e02f6198fd7368789c9aaf07134f87ba19266c4f3d47cb13d0940626452d0", 0x8d}, {&(0x7f0000000440)="87ac2be9e3beadc310e4e5a508ba4eb74deb79a5d6ba3835415f1f0441a7701756fa4951b0e7d2901cc0ea318aeb757e9ab030ca7e5c176691a030695b3d7b8c8b7c2b386346335f6a484d", 0x4b, 0x967}], 0x10000, &(0x7f0000000580)={[{@ssd='ssd'}, {@autodefrag='autodefrag'}, {@datacow='datacow'}], [{@func={'func', 0x3d, 'KEXEC_KERNEL_CHECK'}}, {@hash='hash'}, {@seclabel='seclabel'}, {@subj_user={'subj_user', 0x3d, ')lo^'}}]}) pipe2(&(0x7f00000000c0)={0xffffffffffffffff}, 0x800) setsockopt$netlink_NETLINK_NO_ENOBUFS(r4, 0x10e, 0x5, &(0x7f0000000740), 0x4) 10:46:41 executing program 5: r0 = socket$kcm(0x10, 0x2, 0x10) sendmsg$kcm(r0, &(0x7f0000000280)={0x0, 0x2a1, &(0x7f0000000040), 0x1, 0x0, 0xd9c563b4}, 0x4000) r1 = syz_open_dev$dmmidi(&(0x7f0000000000)='/dev/dmmidi#\x00', 0x5, 0x84) r2 = socket$kcm(0x2b, 0x8000000000001, 0x0) ioctl$PERF_EVENT_IOC_ENABLE(r2, 0x8912, 0x400200) r3 = socket$kcm(0x2b, 0x8000000000001, 0x0) ioctl$PERF_EVENT_IOC_ENABLE(r3, 0x8912, 0x400200) r4 = openat$vcs(0xffffffffffffff9c, &(0x7f0000000000)='/dev/vcs\x00', 0x0, 0x0) r5 = socket$nl_generic(0x10, 0x3, 0x10) poll(&(0x7f0000000040)=[{r4}, {r3}, {r5}], 0x3, 0x6) ioctl$VIDIOC_ENUMSTD(r4, 0xc0485619, &(0x7f00000000c0)={0x207, 0x7, "2b138517730dd86fc17a0c5a4d7cfdc2751eca7212849bef", {0x6, 0x6}, 0x7}) r6 = openat$vcs(0xffffffffffffff9c, &(0x7f0000000000)='/dev/vcs\x00', 0x0, 0x0) r7 = socket$nl_generic(0x10, 0x3, 0x10) poll(&(0x7f0000000040)=[{r6}, {r2}, {r7}], 0x3, 0x6) fsconfig$FSCONFIG_SET_PATH(r1, 0x3, &(0x7f0000000040)='ppp1fvboxnet1\x00', &(0x7f0000000080)='./file0\x00', r6) 10:46:41 executing program 4: r0 = socket$kcm(0x2b, 0x8000000000001, 0x0) ioctl$PERF_EVENT_IOC_ENABLE(r0, 0x8912, 0x400200) r1 = socket$inet6(0xa, 0x3, 0x6) setsockopt$inet6_IPV6_FLOWLABEL_MGR(r1, 0x29, 0x3e, &(0x7f0000000300)={@mcast2, 0x10000, 0x0, 0x102, 0x8000003}, 0x20) 10:46:41 executing program 3: mknod(&(0x7f0000000040)='./bus\x00', 0x2000000000001003, 0x0) r0 = open(&(0x7f0000000100)='./bus\x00', 0x20000000000b04, 0x0) r1 = epoll_create(0x7) epoll_ctl$EPOLL_CTL_ADD(r1, 0x1, r0, &(0x7f00000001c0)) r2 = socket$kcm(0x2b, 0x8000000000001, 0x0) ioctl$PERF_EVENT_IOC_ENABLE(r2, 0x8912, 0x400200) r3 = openat$vcs(0xffffffffffffff9c, &(0x7f0000000000)='/dev/vcs\x00', 0x0, 0x0) r4 = socket$nl_generic(0x10, 0x3, 0x10) poll(&(0x7f0000000040)=[{r3}, {r2}, {r4}], 0x3, 0x6) r5 = socket(0x2000000000000021, 0x2, 0x10000000000002) connect$rxrpc(0xffffffffffffffff, &(0x7f0000000140)=@in4={0x21, 0x0, 0x2, 0x10, {0x2, 0x0, @rand_addr=0xdd}}, 0x24) sendmmsg(r5, &(0x7f0000005c00)=[{{0x0, 0xfffffffffffffd95, 0x0, 0x0, &(0x7f0000000000)=ANY=[@ANYBLOB="18000800000000001001000001000000ec00000000000000"], 0x18}}], 0x1, 0x0) r6 = socket$inet6(0xa, 0x3, 0x6) mmap(&(0x7f0000ffd000/0x2000)=nil, 0x2000, 0x8, 0x810, r6, 0x0) setsockopt$inet6_IPV6_FLOWLABEL_MGR(r6, 0x29, 0x20, &(0x7f0000000080)={@loopback, 0x800, 0x0, 0x100000003, 0x1, 0x0, 0x0, 0x400000000}, 0x20) setsockopt$inet6_IPV6_FLOWLABEL_MGR(r6, 0x29, 0x20, &(0x7f0000000300)={@mcast2, 0x10000, 0x0, 0x102, 0x8000003}, 0x20) setsockopt$inet6_IPV6_FLOWLABEL_MGR(r6, 0x29, 0x20, &(0x7f0000000040)={@loopback, 0x0, 0x0, 0x1, 0x3}, 0x20) connect$inet6(r6, &(0x7f0000000500)={0xa, 0x0, 0x40f7, @mcast2, 0x7ff}, 0x9) r7 = syz_open_procfs(0x0, &(0x7f0000000600)='net/ip6_flowlabel\x00n\xc01\x14\x894X\xed\xc1\xc9\xd8\xdcK\r\x8d\xae\x98&@\xd0\xe6\xbbQ\xd7\xffYn\x1c\x92\xde\x0e\xaa1\x91\x98\xe9\x1f\nMCi|+\xcdw\xf0\x176Z\xf1`\xac\xf3;\xd6d2\xeb\xe5\f\x0e\x8b\xda\xf7\xfc9\xfe\xff4\xef\'\xa19q\x93\"\x7fG3\xc1E\xe6e6\xc6\xc2u\x11% \xe7+0\x97\x84;\\\xda\xc4\x80\xc3\xb18N\xbfY%\x05\xf8\x85\x89\xfc\xd2\xd7') sendfile(r6, r7, &(0x7f0000000240)=0x202, 0x4000000000dc) r8 = syz_genetlink_get_family_id$nbd(&(0x7f0000000140)='nbd\x00') ioctl$KVM_S390_UCAS_UNMAP(r7, 0x4018ae51, &(0x7f00000000c0)={0x8000, 0x7ff, 0x2}) sendmsg$NBD_CMD_RECONFIGURE(r7, &(0x7f0000000200)={&(0x7f0000000100)={0x10, 0x0, 0x0, 0x80}, 0xc, &(0x7f00000001c0)={&(0x7f0000000180)={0x1ce, r8, 0xc05, 0x70bd29, 0x25dfdbff}, 0x14}, 0x1, 0x0, 0x0, 0x4}, 0x84) sendmsg$NBD_CMD_STATUS(r5, &(0x7f00000002c0)={&(0x7f0000000180)={0x10, 0x0, 0x0, 0x1000000}, 0xc, &(0x7f0000000280)={&(0x7f00000001c0)={0x28, r8, 0x10, 0x70bd25, 0x25dfdbfb, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x5}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x28}, 0x1, 0x0, 0x0, 0x8b29ba74f3c49941}, 0x4044) r9 = openat$audio(0xffffffffffffff9c, &(0x7f0000003500)='/dev/audio\x00', 0x200000, 0x0) r10 = socket$kcm(0x2b, 0x8000000000001, 0x0) ioctl$PERF_EVENT_IOC_ENABLE(r10, 0x8912, 0x400200) r11 = openat$vcs(0xffffffffffffff9c, &(0x7f0000000000)='/dev/vcs\x00', 0x0, 0x0) r12 = socket$nl_generic(0x10, 0x3, 0x10) poll(&(0x7f0000000040)=[{r11}, {r10}, {r12}], 0x3, 0x6) sendmsg$NBD_CMD_CONNECT(r3, &(0x7f0000003600)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x80}, 0xc, &(0x7f00000035c0)={&(0x7f0000003540)={0x54, r8, 0x300, 0x70bd2b, 0x25dfdbfe, {}, [@NBD_ATTR_SOCKETS={0x2c, 0x7, [{0x8, 0x1, r9}, {0x8, 0x1, r11}, {0x8, 0x1, r0}, {0x8}, {0x8, 0x1, r0}]}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}]}, 0x54}, 0x1, 0x0, 0x0, 0x80000c0}, 0x4000000) 10:46:41 executing program 1: r0 = perf_event_open(&(0x7f0000940000)={0x2, 0x70, 0xfffffffffffffffd, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}}, 0x0, 0x0, 0xffffffffffffffff, 0x0) mmap(&(0x7f00004da000/0x1000)=nil, 0x1000, 0x0, 0x4000012, r0, 0x0) mincore(&(0x7f00003fa000/0x200000)=nil, 0x200133, &(0x7f0000000000)=""/222) 10:46:42 executing program 0: mknod(&(0x7f0000000040)='./bus\x00', 0x2000000000001003, 0x0) open(&(0x7f0000000100)='./bus\x00', 0x20000000000b04, 0x0) r0 = socket$kcm(0x2b, 0x8000000000001, 0x0) ioctl$PERF_EVENT_IOC_ENABLE(r0, 0x8912, 0x400200) r1 = socket$inet6(0xa, 0x3, 0x6) r2 = getpid() r3 = openat$vsock(0xffffffffffffff9c, &(0x7f0000000000)='/dev/vsock\x00', 0x141000, 0x0) setsockopt$inet6_MRT6_DEL_MFC(r3, 0x29, 0xcd, &(0x7f0000000080)={{0xa, 0x4e24, 0x1, @remote, 0x4}, {0xa, 0x4e21, 0xffffffff, @rand_addr="9db3932690051b03dae22bc870e84f24", 0xfff}, 0x3, [0x1, 0xfffffff8, 0x6e0, 0x62, 0x9, 0x0, 0x39, 0x2]}, 0x5c) sched_setattr(r2, &(0x7f0000000040)={0x30, 0x2, 0x0, 0x0, 0x8}, 0x0) r4 = syz_open_procfs(r2, &(0x7f0000000600)='net/ip6_flowlabel\x00n\xc01\x14\x894X\xed\xc1\xc9\xd8\xdcK\r\x8d\xae\x98&@\xd0\xe6\xbbQ\xd7\xffYn\x1c\x92\xde\x0e\xaa1\x91\x98\xe9\x1f\nMCi|+\xcdw\xf0\x176Z\xf1`\xac\xf3;\xd6d2\xeb\xe5\f\x0e\x8b\xda\xf7\xfc9\xfe\xff4\xef\'\xa19q\x93\"\x7fG3\xc1E\xe6e6\xc6\xc2u\x11% \xe7+0\x97\x84;\\\xda\xc4\x80\xc3\xb18N\xbfY%\x05\xf8\x85\x89\xfc\xd2\xd7') sendfile(r1, r4, &(0x7f0000000240)=0x202, 0x4000000000dc) 10:46:42 executing program 4: r0 = socket$kcm(0x2b, 0x8000000000001, 0x0) ioctl$PERF_EVENT_IOC_ENABLE(r0, 0x8912, 0x400200) r1 = socket$inet6(0xa, 0x3, 0x6) setsockopt$inet6_IPV6_FLOWLABEL_MGR(r1, 0x29, 0x42, &(0x7f0000000300)={@mcast2, 0x10000, 0x0, 0x102, 0x8000003}, 0x20) 10:46:42 executing program 5: r0 = socket$kcm(0x10, 0x2, 0x10) sendmsg$kcm(r0, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000040)=[{&(0x7f0000000300)="1400000013000507ed008064d20010002e000080", 0x14}], 0x1}, 0x0) r1 = openat(0xffffffffffffff9c, &(0x7f0000000200)='./file0\x00', 0x500, 0x48) r2 = socket$kcm(0x2b, 0x8000000000001, 0x0) ioctl$PERF_EVENT_IOC_ENABLE(r2, 0x8912, 0x400200) r3 = openat$vcs(0xffffffffffffff9c, &(0x7f0000000000)='/dev/vcs\x00', 0x0, 0x0) r4 = socket$nl_generic(0x10, 0x3, 0x10) poll(&(0x7f0000000040)=[{r3}, {r2}, {r4}], 0x3, 0x6) r5 = socket$inet6(0xa, 0x2, 0x0) connect$inet6(r5, &(0x7f0000003a40)={0xa, 0x4e24, 0x0, @ipv4={[], [], @loopback}}, 0x1c) sendmmsg(r5, &(0x7f00000092c0), 0x4ff, 0xbb8) r6 = socket$inet6_sctp(0xa, 0x5, 0x84) setsockopt$inet_sctp6_SCTP_SOCKOPT_CONNECTX(r6, 0x84, 0x6e, &(0x7f0000961fe4)=[@in={0x2, 0x0, @dev}], 0x10) syz_genetlink_get_family_id$fou(&(0x7f00000000c0)='fou\x00') getsockopt$inet_sctp6_SCTP_GET_ASSOC_ID_LIST(r6, 0x84, 0x1d, &(0x7f000095dff8)={0x1, [0x0]}, &(0x7f000095dffc)=0x8) setsockopt$inet_sctp6_SCTP_PEER_ADDR_THLDS(r6, 0x84, 0x1f, &(0x7f0000000000)={r7, @in, 0xa9}, 0x90) getsockopt$inet_sctp6_SCTP_RECONFIG_SUPPORTED(r5, 0x84, 0x75, &(0x7f0000000100)={r7, 0x7ff}, &(0x7f0000000200)=0x8) getsockopt$inet_sctp_SCTP_STATUS(r3, 0x84, 0xe, &(0x7f0000000340)={r7, 0x3f, 0x8, 0x2, 0x200, 0x3ff, 0xd7, 0x7f, {0x0, @in6={{0xa, 0x4e22, 0x0, @loopback, 0xd31}}, 0x10001, 0x1ff, 0x81, 0x400, 0x40}}, &(0x7f0000000240)=0xb0) getsockopt$inet_sctp_SCTP_GET_LOCAL_ADDRS(r1, 0x84, 0x6d, &(0x7f0000000400)={r8, 0x5e, "1a15b690e3f5f74786540683f8dd32c192ffc1d0ffe265e110cb340c0686f3e8ce44ec3e8fd09db6adc06638579ff6338398c4996a0a0176da94afeb8b34183f96946c7944a68d9561c01dee74adc5031c4ac1769e5aafb59fd5e4b22e49"}, &(0x7f00000002c0)=0x66) socket$vsock_stream(0x28, 0x1, 0x0) 10:46:42 executing program 1: r0 = perf_event_open(&(0x7f0000940000)={0x2, 0x70, 0xfffffffffffffffd, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}}, 0x0, 0x0, 0xffffffffffffffff, 0x0) mmap(&(0x7f00004da000/0x1000)=nil, 0x1000, 0x0, 0x4000012, r0, 0x0) mincore(&(0x7f00003fa000/0x200000)=nil, 0x200134, &(0x7f0000000000)=""/222) 10:46:42 executing program 3: mknod(&(0x7f0000000040)='./bus\x00', 0x2000000000001003, 0x0) r0 = open(&(0x7f0000000100)='./bus\x00', 0x20000000000b04, 0x0) r1 = epoll_create(0x7) epoll_ctl$EPOLL_CTL_ADD(r1, 0x1, r0, &(0x7f00000001c0)) r2 = socket$kcm(0x2b, 0x8000000000001, 0x0) ioctl$PERF_EVENT_IOC_ENABLE(r2, 0x8912, 0x400200) r3 = openat$vcs(0xffffffffffffff9c, &(0x7f0000000000)='/dev/vcs\x00', 0x0, 0x0) r4 = socket$nl_generic(0x10, 0x3, 0x10) poll(&(0x7f0000000040)=[{r3}, {r2}, {r4}], 0x3, 0x6) r5 = socket(0x2000000000000021, 0x2, 0x10000000000002) connect$rxrpc(0xffffffffffffffff, &(0x7f0000000140)=@in4={0x21, 0x0, 0x2, 0x10, {0x2, 0x0, @rand_addr=0xdd}}, 0x24) sendmmsg(r5, &(0x7f0000005c00)=[{{0x0, 0xfffffffffffffd95, 0x0, 0x0, &(0x7f0000000000)=ANY=[@ANYBLOB="18000800000000001001000001000000ec00000000000000"], 0x18}}], 0x1, 0x0) r6 = socket$inet6(0xa, 0x3, 0x6) mmap(&(0x7f0000ffd000/0x2000)=nil, 0x2000, 0x8, 0x810, r6, 0x0) setsockopt$inet6_IPV6_FLOWLABEL_MGR(r6, 0x29, 0x20, &(0x7f0000000080)={@loopback, 0x800, 0x0, 0x100000003, 0x1, 0x0, 0x0, 0x400000000}, 0x20) setsockopt$inet6_IPV6_FLOWLABEL_MGR(r6, 0x29, 0x20, &(0x7f0000000300)={@mcast2, 0x10000, 0x0, 0x102, 0x8000003}, 0x20) setsockopt$inet6_IPV6_FLOWLABEL_MGR(r6, 0x29, 0x20, &(0x7f0000000040)={@loopback, 0x0, 0x0, 0x1, 0x3}, 0x20) connect$inet6(r6, &(0x7f0000000500)={0xa, 0x0, 0x40f7, @mcast2, 0x7ff}, 0x9) r7 = syz_open_procfs(0x0, &(0x7f0000000600)='net/ip6_flowlabel\x00n\xc01\x14\x894X\xed\xc1\xc9\xd8\xdcK\r\x8d\xae\x98&@\xd0\xe6\xbbQ\xd7\xffYn\x1c\x92\xde\x0e\xaa1\x91\x98\xe9\x1f\nMCi|+\xcdw\xf0\x176Z\xf1`\xac\xf3;\xd6d2\xeb\xe5\f\x0e\x8b\xda\xf7\xfc9\xfe\xff4\xef\'\xa19q\x93\"\x7fG3\xc1E\xe6e6\xc6\xc2u\x11% \xe7+0\x97\x84;\\\xda\xc4\x80\xc3\xb18N\xbfY%\x05\xf8\x85\x89\xfc\xd2\xd7') sendfile(r6, r7, &(0x7f0000000240)=0x202, 0x4000000000dc) r8 = syz_genetlink_get_family_id$nbd(&(0x7f0000000140)='nbd\x00') ioctl$KVM_S390_UCAS_UNMAP(r7, 0x4018ae51, &(0x7f00000000c0)={0x8000, 0x7ff, 0x2}) sendmsg$NBD_CMD_RECONFIGURE(r7, &(0x7f0000000200)={&(0x7f0000000100)={0x10, 0x0, 0x0, 0x80}, 0xc, &(0x7f00000001c0)={&(0x7f0000000180)={0x1ce, r8, 0xc05, 0x70bd29, 0x25dfdbff}, 0x14}, 0x1, 0x0, 0x0, 0x4}, 0x84) sendmsg$NBD_CMD_STATUS(r5, &(0x7f00000002c0)={&(0x7f0000000180)={0x10, 0x0, 0x0, 0x1000000}, 0xc, &(0x7f0000000280)={&(0x7f00000001c0)={0x28, r8, 0x10, 0x70bd25, 0x25dfdbfb, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x5}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x28}, 0x1, 0x0, 0x0, 0x8b29ba74f3c49941}, 0x4044) r9 = openat$audio(0xffffffffffffff9c, &(0x7f0000003500)='/dev/audio\x00', 0x200000, 0x0) r10 = socket$kcm(0x2b, 0x8000000000001, 0x0) ioctl$PERF_EVENT_IOC_ENABLE(r10, 0x8912, 0x400200) r11 = openat$vcs(0xffffffffffffff9c, &(0x7f0000000000)='/dev/vcs\x00', 0x0, 0x0) r12 = socket$nl_generic(0x10, 0x3, 0x10) poll(&(0x7f0000000040)=[{r11}, {r10}, {r12}], 0x3, 0x6) sendmsg$NBD_CMD_CONNECT(r3, &(0x7f0000003600)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x80}, 0xc, &(0x7f00000035c0)={&(0x7f0000003540)={0x54, r8, 0x300, 0x70bd2b, 0x25dfdbfe, {}, [@NBD_ATTR_SOCKETS={0x2c, 0x7, [{0x8, 0x1, r9}, {0x8, 0x1, r11}, {0x8, 0x1, r0}, {0x8}, {0x8, 0x1, r0}]}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}]}, 0x54}, 0x1, 0x0, 0x0, 0x80000c0}, 0x4000000) 10:46:42 executing program 0: mknod(&(0x7f0000000040)='./bus\x00', 0x2000000000001003, 0x0) open(&(0x7f0000000100)='./bus\x00', 0x20000000000b04, 0x0) r0 = socket$kcm(0x2b, 0x8000000000001, 0x0) ioctl$PERF_EVENT_IOC_ENABLE(r0, 0x8912, 0x400200) r1 = socket$inet6(0xa, 0x3, 0x6) r2 = socket$inet_udp(0x2, 0x2, 0x0) setsockopt$inet_udp_int(r2, 0x11, 0x66, &(0x7f0000000000)=0x9, 0x4) r3 = syz_open_procfs(0x0, &(0x7f0000000600)='net/ip6_flowlabel\x00n\xc01\x14\x894X\xed\xc1\xc9\xd8\xdcK\r\x8d\xae\x98&@\xd0\xe6\xbbQ\xd7\xffYn\x1c\x92\xde\x0e\xaa1\x91\x98\xe9\x1f\nMCi|+\xcdw\xf0\x176Z\xf1`\xac\xf3;\xd6d2\xeb\xe5\f\x0e\x8b\xda\xf7\xfc9\xfe\xff4\xef\'\xa19q\x93\"\x7fG3\xc1E\xe6e6\xc6\xc2u\x11% \xe7+0\x97\x84;\\\xda\xc4\x80\xc3\xb18N\xbfY%\x05\xf8\x85\x89\xfc\xd2\xd7') sendfile(r1, r3, &(0x7f0000000240)=0x202, 0x4000000000dc) 10:46:42 executing program 4: r0 = socket$kcm(0x2b, 0x8000000000001, 0x0) ioctl$PERF_EVENT_IOC_ENABLE(r0, 0x8912, 0x400200) r1 = socket$inet6(0xa, 0x3, 0x6) setsockopt$inet6_IPV6_FLOWLABEL_MGR(r1, 0x29, 0x43, &(0x7f0000000300)={@mcast2, 0x10000, 0x0, 0x102, 0x8000003}, 0x20) 10:46:42 executing program 1: r0 = perf_event_open(&(0x7f0000940000)={0x2, 0x70, 0xfffffffffffffffd, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}}, 0x0, 0x0, 0xffffffffffffffff, 0x0) mmap(&(0x7f00004da000/0x1000)=nil, 0x1000, 0x0, 0x4000012, r0, 0x0) mincore(&(0x7f00003fa000/0x200000)=nil, 0x200135, &(0x7f0000000000)=""/222) 10:46:42 executing program 3: mknod(&(0x7f0000000040)='./bus\x00', 0x2000000000001003, 0x0) r0 = open(&(0x7f0000000100)='./bus\x00', 0x20000000000b04, 0x0) r1 = epoll_create(0x7) epoll_ctl$EPOLL_CTL_ADD(r1, 0x1, r0, &(0x7f00000001c0)) r2 = socket$kcm(0x2b, 0x8000000000001, 0x0) ioctl$PERF_EVENT_IOC_ENABLE(r2, 0x8912, 0x400200) r3 = openat$vcs(0xffffffffffffff9c, &(0x7f0000000000)='/dev/vcs\x00', 0x0, 0x0) r4 = socket$nl_generic(0x10, 0x3, 0x10) poll(&(0x7f0000000040)=[{r3}, {r2}, {r4}], 0x3, 0x6) r5 = socket(0x2000000000000021, 0x2, 0x10000000000002) connect$rxrpc(0xffffffffffffffff, &(0x7f0000000140)=@in4={0x21, 0x0, 0x2, 0x10, {0x2, 0x0, @rand_addr=0xdd}}, 0x24) sendmmsg(r5, &(0x7f0000005c00)=[{{0x0, 0xfffffffffffffd95, 0x0, 0x0, &(0x7f0000000000)=ANY=[@ANYBLOB="18000800000000001001000001000000ec00000000000000"], 0x18}}], 0x1, 0x0) r6 = socket$inet6(0xa, 0x3, 0x6) mmap(&(0x7f0000ffd000/0x2000)=nil, 0x2000, 0x8, 0x810, r6, 0x0) setsockopt$inet6_IPV6_FLOWLABEL_MGR(r6, 0x29, 0x20, &(0x7f0000000080)={@loopback, 0x800, 0x0, 0x100000003, 0x1, 0x0, 0x0, 0x400000000}, 0x20) setsockopt$inet6_IPV6_FLOWLABEL_MGR(r6, 0x29, 0x20, &(0x7f0000000300)={@mcast2, 0x10000, 0x0, 0x102, 0x8000003}, 0x20) setsockopt$inet6_IPV6_FLOWLABEL_MGR(r6, 0x29, 0x20, &(0x7f0000000040)={@loopback, 0x0, 0x0, 0x1, 0x3}, 0x20) connect$inet6(r6, &(0x7f0000000500)={0xa, 0x0, 0x40f7, @mcast2, 0x7ff}, 0x9) r7 = syz_open_procfs(0x0, &(0x7f0000000600)='net/ip6_flowlabel\x00n\xc01\x14\x894X\xed\xc1\xc9\xd8\xdcK\r\x8d\xae\x98&@\xd0\xe6\xbbQ\xd7\xffYn\x1c\x92\xde\x0e\xaa1\x91\x98\xe9\x1f\nMCi|+\xcdw\xf0\x176Z\xf1`\xac\xf3;\xd6d2\xeb\xe5\f\x0e\x8b\xda\xf7\xfc9\xfe\xff4\xef\'\xa19q\x93\"\x7fG3\xc1E\xe6e6\xc6\xc2u\x11% \xe7+0\x97\x84;\\\xda\xc4\x80\xc3\xb18N\xbfY%\x05\xf8\x85\x89\xfc\xd2\xd7') sendfile(r6, r7, &(0x7f0000000240)=0x202, 0x4000000000dc) r8 = syz_genetlink_get_family_id$nbd(&(0x7f0000000140)='nbd\x00') ioctl$KVM_S390_UCAS_UNMAP(r7, 0x4018ae51, &(0x7f00000000c0)={0x8000, 0x7ff, 0x2}) sendmsg$NBD_CMD_RECONFIGURE(r7, &(0x7f0000000200)={&(0x7f0000000100)={0x10, 0x0, 0x0, 0x80}, 0xc, &(0x7f00000001c0)={&(0x7f0000000180)={0x1ce, r8, 0xc05, 0x70bd29, 0x25dfdbff}, 0x14}, 0x1, 0x0, 0x0, 0x4}, 0x84) sendmsg$NBD_CMD_STATUS(r5, &(0x7f00000002c0)={&(0x7f0000000180)={0x10, 0x0, 0x0, 0x1000000}, 0xc, &(0x7f0000000280)={&(0x7f00000001c0)={0x28, r8, 0x10, 0x70bd25, 0x25dfdbfb, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x5}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x28}, 0x1, 0x0, 0x0, 0x8b29ba74f3c49941}, 0x4044) r9 = openat$audio(0xffffffffffffff9c, &(0x7f0000003500)='/dev/audio\x00', 0x200000, 0x0) r10 = socket$kcm(0x2b, 0x8000000000001, 0x0) ioctl$PERF_EVENT_IOC_ENABLE(r10, 0x8912, 0x400200) r11 = openat$vcs(0xffffffffffffff9c, &(0x7f0000000000)='/dev/vcs\x00', 0x0, 0x0) r12 = socket$nl_generic(0x10, 0x3, 0x10) poll(&(0x7f0000000040)=[{r11}, {r10}, {r12}], 0x3, 0x6) sendmsg$NBD_CMD_CONNECT(r3, &(0x7f0000003600)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x80}, 0xc, &(0x7f00000035c0)={&(0x7f0000003540)={0x54, r8, 0x300, 0x70bd2b, 0x25dfdbfe, {}, [@NBD_ATTR_SOCKETS={0x2c, 0x7, [{0x8, 0x1, r9}, {0x8, 0x1, r11}, {0x8, 0x1, r0}, {0x8}, {0x8, 0x1, r0}]}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}]}, 0x54}, 0x1, 0x0, 0x0, 0x80000c0}, 0x4000000) 10:46:42 executing program 0: mknod(&(0x7f0000000040)='./bus\x00', 0x2000000000001003, 0x0) open(&(0x7f0000000100)='./bus\x00', 0x20000000000b04, 0x0) r0 = socket$kcm(0x2b, 0x8000000000001, 0x0) ioctl$PERF_EVENT_IOC_ENABLE(r0, 0x8912, 0x7) r1 = socket$inet6(0xa, 0x3, 0x6) r2 = syz_open_procfs(0x0, &(0x7f0000000600)='net/ip6_flowlabel\x00n\xc01\x14\x894X\xed\xc1\xc9\xd8\xdcK\r\x8d\xae\x98&@\xd0\xe6\xbbQ\xd7\xffYn\x1c\x92\xde\x0e\xaa1\x91\x98\xe9\x1f\nMCi|+\xcdw\xf0\x176Z\xf1`\xac\xf3;\xd6d2\xeb\xe5\f\x0e\x8b\xda\xf7\xfc9\xfe\xff4\xef\'\xa19q\x93\"\x7fG3\xc1E\xe6e6\xc6\xc2u\x11% \xe7+0\x97\x84;\\\xda\xc4\x80\xc3\xb18N\xbfY%\x05\xf8\x85\x89\xfc\xd2\xd7') sendfile(r1, r2, &(0x7f0000000240)=0x202, 0x4000000000dc) 10:46:42 executing program 4: r0 = socket$kcm(0x2b, 0x8000000000001, 0x0) ioctl$PERF_EVENT_IOC_ENABLE(r0, 0x8912, 0x400200) r1 = socket$inet6(0xa, 0x3, 0x6) setsockopt$inet6_IPV6_FLOWLABEL_MGR(r1, 0x29, 0x46, &(0x7f0000000300)={@mcast2, 0x10000, 0x0, 0x102, 0x8000003}, 0x20) 10:46:42 executing program 1: r0 = perf_event_open(&(0x7f0000940000)={0x2, 0x70, 0xfffffffffffffffd, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}}, 0x0, 0x0, 0xffffffffffffffff, 0x0) mmap(&(0x7f00004da000/0x1000)=nil, 0x1000, 0x0, 0x4000012, r0, 0x0) mincore(&(0x7f00003fa000/0x200000)=nil, 0x200136, &(0x7f0000000000)=""/222) 10:46:42 executing program 4: r0 = socket$kcm(0x2b, 0x8000000000001, 0x0) ioctl$PERF_EVENT_IOC_ENABLE(r0, 0x8912, 0x400200) r1 = socket$inet6(0xa, 0x3, 0x6) setsockopt$inet6_IPV6_FLOWLABEL_MGR(r1, 0x29, 0x48, &(0x7f0000000300)={@mcast2, 0x10000, 0x0, 0x102, 0x8000003}, 0x20) 10:46:42 executing program 0: mknod(&(0x7f0000000040)='./bus\x00', 0x2000000000001003, 0x0) open(&(0x7f0000000100)='./bus\x00', 0x20000000000b04, 0x0) r0 = socket$kcm(0x2b, 0x8000000000001, 0x0) ioctl$PERF_EVENT_IOC_ENABLE(r0, 0x8912, 0x400200) r1 = socket$inet6(0xa, 0x3, 0x6) r2 = socket$kcm(0x2b, 0x8000000000001, 0x0) ioctl$PERF_EVENT_IOC_ENABLE(r2, 0x8912, 0x400200) r3 = openat$vcs(0xffffffffffffff9c, &(0x7f0000000000)='/dev/vcs\x00', 0x0, 0x0) r4 = socket$nl_generic(0x10, 0x3, 0x10) r5 = socket$inet6_dccp(0xa, 0x6, 0x0) getsockopt$inet6_int(r5, 0x29, 0x3c, 0x0, &(0x7f00000015c0)) getsockopt$IP6T_SO_GET_REVISION_TARGET(r5, 0x29, 0x45, &(0x7f00000000c0)={'ipvs\x00'}, &(0x7f0000000140)=0x1e) poll(&(0x7f0000000040)=[{r3}, {r2}, {r4}], 0x3, 0x6) r6 = socket$inet6(0xa, 0x2, 0x0) connect$inet6(r6, &(0x7f0000003a40)={0xa, 0x4e24, 0x0, @ipv4={[], [], @loopback}}, 0x1c) sendmmsg(r6, &(0x7f00000092c0), 0x4ff, 0xbb8) r7 = socket$inet6_sctp(0xa, 0x5, 0x84) setsockopt$inet_sctp6_SCTP_SOCKOPT_CONNECTX(r7, 0x84, 0x6e, &(0x7f0000961fe4)=[@in={0x2, 0x0, @dev}], 0x10) getsockopt$inet_sctp6_SCTP_GET_ASSOC_ID_LIST(r7, 0x84, 0x1d, &(0x7f000095dff8)={0x1, [0x0]}, &(0x7f000095dffc)=0x8) setsockopt$inet_sctp6_SCTP_PEER_ADDR_THLDS(r7, 0x84, 0x1f, &(0x7f0000000000)={r8, @in, 0xa9}, 0x90) getsockopt$inet_sctp6_SCTP_RECONFIG_SUPPORTED(r6, 0x84, 0x75, &(0x7f0000000100)={r8, 0x7ff}, &(0x7f0000000200)=0x8) getsockopt$inet_sctp6_SCTP_DELAYED_SACK(r3, 0x84, 0x10, &(0x7f0000000000)=@sack_info={r8, 0x7f, 0x27}, &(0x7f0000000080)=0xc) r9 = syz_open_procfs(0x0, &(0x7f0000000600)='net/ip6_flowlabel\x00n\xc01\x14\x894X\xed\xc1\xc9\xd8\xdcK\r\x8d\xae\x98&@\xd0\xe6\xbbQ\xd7\xffYn\x1c\x92\xde\x0e\xaa1\x91\x98\xe9\x1f\nMCi|+\xcdw\xf0\x176Z\xf1`\xac\xf3;\xd6d2\xeb\xe5\f\x0e\x8b\xda\xf7\xfc9\xfe\xff4\xef\'\xa19q\x93\"\x7fG3\xc1E\xe6e6\xc6\xc2u\x11% \xe7+0\x97\x84;\\\xda\xc4\x80\xc3\xb18N\xbfY%\x05\xf8\x85\x89\xfc\xd2\xd7') sendfile(r1, r9, &(0x7f0000000240)=0x202, 0x4000000000dc) [ 948.549205][ C1] net_ratelimit: 10 callbacks suppressed [ 948.549216][ C1] protocol 88fb is buggy, dev hsr_slave_0 [ 948.560683][ C1] protocol 88fb is buggy, dev hsr_slave_1 10:46:43 executing program 5: r0 = socket$kcm(0x10, 0x2, 0x10) sendmsg$kcm(r0, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000040)=[{&(0x7f0000000300)="1400000013000507ed008064d20010002e000080", 0x14}], 0x1}, 0x0) r1 = getpid() syz_mount_image$vfat(&(0x7f00000000c0)='vfat\x00', &(0x7f0000000100)='./file0\x00', 0xffffffffffffffff, 0x2, &(0x7f00000001c0)=[{&(0x7f0000000140)="1ec2198dba81c4462a8440517c3f6d0af51957e4a35659e8e0768a83f80a7d9a69dc8d7335a75d062778fdd9246230b3020d6ba0ba3e0c1afbd7a199eefb78444430", 0x42, 0x4b}, {&(0x7f0000000340)="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", 0x1000, 0x8}], 0x800, &(0x7f0000000200)={[{@uni_xlate='uni_xlate=1'}, {@utf8no='utf8=0'}], [{@dont_appraise='dont_appraise'}, {@pcr={'pcr', 0x3d, 0x40}}]}) sched_setattr(r1, &(0x7f0000000040)={0x30, 0x2, 0x0, 0x0, 0x8}, 0x0) r2 = syz_open_dev$sndpcmc(&(0x7f0000000240)='/dev/snd/pcmC#D#c\x00', 0x7, 0x10000) r3 = socket$kcm(0x2b, 0x8000000000001, 0x0) ioctl$PERF_EVENT_IOC_ENABLE(r3, 0x8912, 0x400200) r4 = openat$vcs(0xffffffffffffff9c, &(0x7f0000000000)='/dev/vcs\x00', 0x0, 0x0) r5 = socket$nl_generic(0x10, 0x3, 0x10) poll(&(0x7f0000000040)=[{r4}, {r3}, {r5}], 0x3, 0x6) getsockopt$inet_sctp_SCTP_PRIMARY_ADDR(r4, 0x84, 0x6, &(0x7f0000001400)={0x0, @in6={{0xa, 0x4e21, 0x6dc8, @rand_addr="d68113be74aee9a27165f1a97177cb32", 0x9}}}, &(0x7f00000002c0)=0x84) setsockopt$inet_sctp_SCTP_RESET_ASSOC(r2, 0x84, 0x78, &(0x7f00000014c0)=r6, 0x4) migrate_pages(r1, 0x5, &(0x7f0000000000)=0xf80000000, &(0x7f0000000080)=0xffffffffffffff01) ioctl$VIDIOC_S_JPEGCOMP(0xffffffffffffffff, 0x408c563e, &(0x7f0000001340)={0x92cf, 0x7, 0x2, "71db070e91742995a1ab33a9fc9a93a38b716572f8c9e9f19e2ff2ecd6b1cbf21476d7c1fc64b9e59dc11064ab272b4aa72b2164cef3847b9702c589", 0x24, "93026bfe1b4a1d4f670385905f05578f4088945872a64b5f2248f2dd3cbbcadce4ac4611401f8cc0f1967d3a3da355856afcd51ae0dbacc8dc154709", 0x8}) 10:46:43 executing program 3: mknod(&(0x7f0000000040)='./bus\x00', 0x2000000000001003, 0x0) r0 = open(&(0x7f0000000100)='./bus\x00', 0x20000000000b04, 0x0) r1 = epoll_create(0x7) epoll_ctl$EPOLL_CTL_ADD(r1, 0x1, r0, &(0x7f00000001c0)) r2 = socket$kcm(0x2b, 0x8000000000001, 0x0) ioctl$PERF_EVENT_IOC_ENABLE(r2, 0x8912, 0x400200) r3 = openat$vcs(0xffffffffffffff9c, &(0x7f0000000000)='/dev/vcs\x00', 0x0, 0x0) r4 = socket$nl_generic(0x10, 0x3, 0x10) poll(&(0x7f0000000040)=[{r3}, {r2}, {r4}], 0x3, 0x6) r5 = socket(0x2000000000000021, 0x2, 0x10000000000002) connect$rxrpc(r5, 0x0, 0x0) sendmmsg(r5, &(0x7f0000005c00)=[{{0x0, 0xfffffffffffffd95, 0x0, 0x0, &(0x7f0000000000)=ANY=[@ANYBLOB="18000800000000001001000001000000ec00000000000000"], 0x18}}], 0x1, 0x0) r6 = socket$inet6(0xa, 0x3, 0x6) mmap(&(0x7f0000ffd000/0x2000)=nil, 0x2000, 0x8, 0x810, r6, 0x0) setsockopt$inet6_IPV6_FLOWLABEL_MGR(r6, 0x29, 0x20, &(0x7f0000000080)={@loopback, 0x800, 0x0, 0x100000003, 0x1, 0x0, 0x0, 0x400000000}, 0x20) setsockopt$inet6_IPV6_FLOWLABEL_MGR(r6, 0x29, 0x20, &(0x7f0000000300)={@mcast2, 0x10000, 0x0, 0x102, 0x8000003}, 0x20) setsockopt$inet6_IPV6_FLOWLABEL_MGR(r6, 0x29, 0x20, &(0x7f0000000040)={@loopback, 0x0, 0x0, 0x1, 0x3}, 0x20) connect$inet6(r6, &(0x7f0000000500)={0xa, 0x0, 0x40f7, @mcast2, 0x7ff}, 0x9) r7 = syz_open_procfs(0x0, &(0x7f0000000600)='net/ip6_flowlabel\x00n\xc01\x14\x894X\xed\xc1\xc9\xd8\xdcK\r\x8d\xae\x98&@\xd0\xe6\xbbQ\xd7\xffYn\x1c\x92\xde\x0e\xaa1\x91\x98\xe9\x1f\nMCi|+\xcdw\xf0\x176Z\xf1`\xac\xf3;\xd6d2\xeb\xe5\f\x0e\x8b\xda\xf7\xfc9\xfe\xff4\xef\'\xa19q\x93\"\x7fG3\xc1E\xe6e6\xc6\xc2u\x11% \xe7+0\x97\x84;\\\xda\xc4\x80\xc3\xb18N\xbfY%\x05\xf8\x85\x89\xfc\xd2\xd7') sendfile(r6, r7, &(0x7f0000000240)=0x202, 0x4000000000dc) r8 = syz_genetlink_get_family_id$nbd(&(0x7f0000000140)='nbd\x00') ioctl$KVM_S390_UCAS_UNMAP(r7, 0x4018ae51, &(0x7f00000000c0)={0x8000, 0x7ff, 0x2}) sendmsg$NBD_CMD_RECONFIGURE(r7, &(0x7f0000000200)={&(0x7f0000000100)={0x10, 0x0, 0x0, 0x80}, 0xc, &(0x7f00000001c0)={&(0x7f0000000180)={0x1ce, r8, 0xc05, 0x70bd29, 0x25dfdbff}, 0x14}, 0x1, 0x0, 0x0, 0x4}, 0x84) sendmsg$NBD_CMD_STATUS(r5, &(0x7f00000002c0)={&(0x7f0000000180)={0x10, 0x0, 0x0, 0x1000000}, 0xc, &(0x7f0000000280)={&(0x7f00000001c0)={0x28, r8, 0x10, 0x70bd25, 0x25dfdbfb, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x5}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x28}, 0x1, 0x0, 0x0, 0x8b29ba74f3c49941}, 0x4044) r9 = openat$audio(0xffffffffffffff9c, &(0x7f0000003500)='/dev/audio\x00', 0x200000, 0x0) r10 = socket$kcm(0x2b, 0x8000000000001, 0x0) ioctl$PERF_EVENT_IOC_ENABLE(r10, 0x8912, 0x400200) r11 = openat$vcs(0xffffffffffffff9c, &(0x7f0000000000)='/dev/vcs\x00', 0x0, 0x0) r12 = socket$nl_generic(0x10, 0x3, 0x10) poll(&(0x7f0000000040)=[{r11}, {r10}, {r12}], 0x3, 0x6) sendmsg$NBD_CMD_CONNECT(r3, &(0x7f0000003600)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x80}, 0xc, &(0x7f00000035c0)={&(0x7f0000003540)={0x54, r8, 0x300, 0x70bd2b, 0x25dfdbfe, {}, [@NBD_ATTR_SOCKETS={0x2c, 0x7, [{0x8, 0x1, r9}, {0x8, 0x1, r11}, {0x8, 0x1, r0}, {0x8}, {0x8, 0x1, r0}]}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}]}, 0x54}, 0x1, 0x0, 0x0, 0x80000c0}, 0x4000000) 10:46:43 executing program 1: r0 = perf_event_open(&(0x7f0000940000)={0x2, 0x70, 0xfffffffffffffffd, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}}, 0x0, 0x0, 0xffffffffffffffff, 0x0) mmap(&(0x7f00004da000/0x1000)=nil, 0x1000, 0x0, 0x4000012, r0, 0x0) mincore(&(0x7f00003fa000/0x200000)=nil, 0x200137, &(0x7f0000000000)=""/222) 10:46:43 executing program 4: r0 = socket$kcm(0x2b, 0x8000000000001, 0x0) ioctl$PERF_EVENT_IOC_ENABLE(r0, 0x8912, 0x400200) r1 = socket$inet6(0xa, 0x3, 0x6) setsockopt$inet6_IPV6_FLOWLABEL_MGR(r1, 0x29, 0x49, &(0x7f0000000300)={@mcast2, 0x10000, 0x0, 0x102, 0x8000003}, 0x20) [ 948.766346][T31442] FAT-fs (loop5): Unrecognized mount option "dont_appraise" or missing value [ 948.859176][ C1] protocol 88fb is buggy, dev hsr_slave_0 [ 948.865014][ C1] protocol 88fb is buggy, dev hsr_slave_1 10:46:43 executing program 5: r0 = socket$kcm(0x10, 0x2, 0x10) ioctl$TIOCSSERIAL(r0, 0x541f, &(0x7f0000000340)={0x7f, 0x4, 0x36, 0x6c78, 0x7ff, 0x2a59, 0x7, 0x30, 0x6, 0xff, 0x1, 0x80000001, 0x400, 0xfd, &(0x7f0000000180)=""/210, 0x6, 0x4, 0x100010000000000}) io_setup(0xff, &(0x7f0000000000)=0x0) io_cancel(r1, &(0x7f0000000100)={0x0, 0x0, 0x0, 0xd, 0x200, r0, &(0x7f0000000080)="37ebf226822d9144028d320bcf17d4fd31c9171691052d78f8bbb35a401a715f051f2465d3b623999e2882d96316829ae19e065d63d458beb06270d2a199d84d7f60", 0x42, 0x200, 0x0, 0x2}, &(0x7f0000000140)) sendmsg$kcm(r0, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000040)=[{&(0x7f0000000300)="1400000013000507ed008064d20010002e000080", 0x14}], 0x1}, 0x0) 10:46:43 executing program 3: mknod(&(0x7f0000000040)='./bus\x00', 0x2000000000001003, 0x0) r0 = open(&(0x7f0000000100)='./bus\x00', 0x20000000000b04, 0x0) r1 = epoll_create(0x7) epoll_ctl$EPOLL_CTL_ADD(r1, 0x1, r0, &(0x7f00000001c0)) r2 = socket$kcm(0x2b, 0x8000000000001, 0x0) ioctl$PERF_EVENT_IOC_ENABLE(r2, 0x8912, 0x400200) r3 = openat$vcs(0xffffffffffffff9c, &(0x7f0000000000)='/dev/vcs\x00', 0x0, 0x0) r4 = socket$nl_generic(0x10, 0x3, 0x10) poll(&(0x7f0000000040)=[{r3}, {r2}, {r4}], 0x3, 0x6) r5 = socket(0x2000000000000021, 0x2, 0x10000000000002) connect$rxrpc(r5, 0x0, 0x0) sendmmsg(r5, &(0x7f0000005c00)=[{{0x0, 0xfffffffffffffd95, 0x0, 0x0, &(0x7f0000000000)=ANY=[@ANYBLOB="18000800000000001001000001000000ec00000000000000"], 0x18}}], 0x1, 0x0) r6 = socket$inet6(0xa, 0x3, 0x6) mmap(&(0x7f0000ffd000/0x2000)=nil, 0x2000, 0x8, 0x810, r6, 0x0) setsockopt$inet6_IPV6_FLOWLABEL_MGR(r6, 0x29, 0x20, &(0x7f0000000080)={@loopback, 0x800, 0x0, 0x100000003, 0x1, 0x0, 0x0, 0x400000000}, 0x20) setsockopt$inet6_IPV6_FLOWLABEL_MGR(r6, 0x29, 0x20, &(0x7f0000000300)={@mcast2, 0x10000, 0x0, 0x102, 0x8000003}, 0x20) setsockopt$inet6_IPV6_FLOWLABEL_MGR(r6, 0x29, 0x20, &(0x7f0000000040)={@loopback, 0x0, 0x0, 0x1, 0x3}, 0x20) connect$inet6(r6, &(0x7f0000000500)={0xa, 0x0, 0x40f7, @mcast2, 0x7ff}, 0x9) r7 = syz_open_procfs(0x0, &(0x7f0000000600)='net/ip6_flowlabel\x00n\xc01\x14\x894X\xed\xc1\xc9\xd8\xdcK\r\x8d\xae\x98&@\xd0\xe6\xbbQ\xd7\xffYn\x1c\x92\xde\x0e\xaa1\x91\x98\xe9\x1f\nMCi|+\xcdw\xf0\x176Z\xf1`\xac\xf3;\xd6d2\xeb\xe5\f\x0e\x8b\xda\xf7\xfc9\xfe\xff4\xef\'\xa19q\x93\"\x7fG3\xc1E\xe6e6\xc6\xc2u\x11% \xe7+0\x97\x84;\\\xda\xc4\x80\xc3\xb18N\xbfY%\x05\xf8\x85\x89\xfc\xd2\xd7') sendfile(r6, r7, &(0x7f0000000240)=0x202, 0x4000000000dc) r8 = syz_genetlink_get_family_id$nbd(&(0x7f0000000140)='nbd\x00') ioctl$KVM_S390_UCAS_UNMAP(r7, 0x4018ae51, &(0x7f00000000c0)={0x8000, 0x7ff, 0x2}) sendmsg$NBD_CMD_RECONFIGURE(r7, &(0x7f0000000200)={&(0x7f0000000100)={0x10, 0x0, 0x0, 0x80}, 0xc, &(0x7f00000001c0)={&(0x7f0000000180)={0x1ce, r8, 0xc05, 0x70bd29, 0x25dfdbff}, 0x14}, 0x1, 0x0, 0x0, 0x4}, 0x84) sendmsg$NBD_CMD_STATUS(r5, &(0x7f00000002c0)={&(0x7f0000000180)={0x10, 0x0, 0x0, 0x1000000}, 0xc, &(0x7f0000000280)={&(0x7f00000001c0)={0x28, r8, 0x10, 0x70bd25, 0x25dfdbfb, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x5}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x28}, 0x1, 0x0, 0x0, 0x8b29ba74f3c49941}, 0x4044) r9 = openat$audio(0xffffffffffffff9c, &(0x7f0000003500)='/dev/audio\x00', 0x200000, 0x0) r10 = socket$kcm(0x2b, 0x8000000000001, 0x0) ioctl$PERF_EVENT_IOC_ENABLE(r10, 0x8912, 0x400200) r11 = openat$vcs(0xffffffffffffff9c, &(0x7f0000000000)='/dev/vcs\x00', 0x0, 0x0) r12 = socket$nl_generic(0x10, 0x3, 0x10) poll(&(0x7f0000000040)=[{r11}, {r10}, {r12}], 0x3, 0x6) sendmsg$NBD_CMD_CONNECT(r3, &(0x7f0000003600)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x80}, 0xc, &(0x7f00000035c0)={&(0x7f0000003540)={0x54, r8, 0x300, 0x70bd2b, 0x25dfdbfe, {}, [@NBD_ATTR_SOCKETS={0x2c, 0x7, [{0x8, 0x1, r9}, {0x8, 0x1, r11}, {0x8, 0x1, r0}, {0x8}, {0x8, 0x1, r0}]}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}]}, 0x54}, 0x1, 0x0, 0x0, 0x80000c0}, 0x4000000) 10:46:43 executing program 1: r0 = perf_event_open(&(0x7f0000940000)={0x2, 0x70, 0xfffffffffffffffd, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}}, 0x0, 0x0, 0xffffffffffffffff, 0x0) mmap(&(0x7f00004da000/0x1000)=nil, 0x1000, 0x0, 0x4000012, r0, 0x0) mincore(&(0x7f00003fa000/0x200000)=nil, 0x200138, &(0x7f0000000000)=""/222) 10:46:43 executing program 4: r0 = socket$kcm(0x2b, 0x8000000000001, 0x0) ioctl$PERF_EVENT_IOC_ENABLE(r0, 0x8912, 0x400200) r1 = socket$inet6(0xa, 0x3, 0x6) setsockopt$inet6_IPV6_FLOWLABEL_MGR(r1, 0x29, 0x4a, &(0x7f0000000300)={@mcast2, 0x10000, 0x0, 0x102, 0x8000003}, 0x20) 10:46:43 executing program 5: socket$inet6_tcp(0xa, 0x1, 0x0) r0 = socket$kcm(0x10, 0x2, 0x10) sendmsg$kcm(r0, &(0x7f0000000000)={0x0, 0x0, &(0x7f0000000040)=[{&(0x7f0000000300)="1400000013000507ed008064d20010002e000080", 0x14}], 0x1}, 0x40) 10:46:43 executing program 3: mknod(&(0x7f0000000040)='./bus\x00', 0x2000000000001003, 0x0) r0 = open(&(0x7f0000000100)='./bus\x00', 0x20000000000b04, 0x0) r1 = epoll_create(0x7) epoll_ctl$EPOLL_CTL_ADD(r1, 0x1, r0, &(0x7f00000001c0)) r2 = socket$kcm(0x2b, 0x8000000000001, 0x0) ioctl$PERF_EVENT_IOC_ENABLE(r2, 0x8912, 0x400200) r3 = openat$vcs(0xffffffffffffff9c, &(0x7f0000000000)='/dev/vcs\x00', 0x0, 0x0) r4 = socket$nl_generic(0x10, 0x3, 0x10) poll(&(0x7f0000000040)=[{r3}, {r2}, {r4}], 0x3, 0x6) r5 = socket(0x2000000000000021, 0x2, 0x10000000000002) connect$rxrpc(r5, 0x0, 0x0) sendmmsg(r5, &(0x7f0000005c00)=[{{0x0, 0xfffffffffffffd95, 0x0, 0x0, &(0x7f0000000000)=ANY=[@ANYBLOB="18000800000000001001000001000000ec00000000000000"], 0x18}}], 0x1, 0x0) r6 = socket$inet6(0xa, 0x3, 0x6) mmap(&(0x7f0000ffd000/0x2000)=nil, 0x2000, 0x8, 0x810, r6, 0x0) setsockopt$inet6_IPV6_FLOWLABEL_MGR(r6, 0x29, 0x20, &(0x7f0000000080)={@loopback, 0x800, 0x0, 0x100000003, 0x1, 0x0, 0x0, 0x400000000}, 0x20) setsockopt$inet6_IPV6_FLOWLABEL_MGR(r6, 0x29, 0x20, &(0x7f0000000300)={@mcast2, 0x10000, 0x0, 0x102, 0x8000003}, 0x20) setsockopt$inet6_IPV6_FLOWLABEL_MGR(r6, 0x29, 0x20, &(0x7f0000000040)={@loopback, 0x0, 0x0, 0x1, 0x3}, 0x20) connect$inet6(r6, &(0x7f0000000500)={0xa, 0x0, 0x40f7, @mcast2, 0x7ff}, 0x9) r7 = syz_open_procfs(0x0, &(0x7f0000000600)='net/ip6_flowlabel\x00n\xc01\x14\x894X\xed\xc1\xc9\xd8\xdcK\r\x8d\xae\x98&@\xd0\xe6\xbbQ\xd7\xffYn\x1c\x92\xde\x0e\xaa1\x91\x98\xe9\x1f\nMCi|+\xcdw\xf0\x176Z\xf1`\xac\xf3;\xd6d2\xeb\xe5\f\x0e\x8b\xda\xf7\xfc9\xfe\xff4\xef\'\xa19q\x93\"\x7fG3\xc1E\xe6e6\xc6\xc2u\x11% \xe7+0\x97\x84;\\\xda\xc4\x80\xc3\xb18N\xbfY%\x05\xf8\x85\x89\xfc\xd2\xd7') sendfile(r6, r7, &(0x7f0000000240)=0x202, 0x4000000000dc) r8 = syz_genetlink_get_family_id$nbd(&(0x7f0000000140)='nbd\x00') ioctl$KVM_S390_UCAS_UNMAP(r7, 0x4018ae51, &(0x7f00000000c0)={0x8000, 0x7ff, 0x2}) sendmsg$NBD_CMD_RECONFIGURE(r7, &(0x7f0000000200)={&(0x7f0000000100)={0x10, 0x0, 0x0, 0x80}, 0xc, &(0x7f00000001c0)={&(0x7f0000000180)={0x1ce, r8, 0xc05, 0x70bd29, 0x25dfdbff}, 0x14}, 0x1, 0x0, 0x0, 0x4}, 0x84) sendmsg$NBD_CMD_STATUS(r5, &(0x7f00000002c0)={&(0x7f0000000180)={0x10, 0x0, 0x0, 0x1000000}, 0xc, &(0x7f0000000280)={&(0x7f00000001c0)={0x28, r8, 0x10, 0x70bd25, 0x25dfdbfb, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x5}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x28}, 0x1, 0x0, 0x0, 0x8b29ba74f3c49941}, 0x4044) r9 = openat$audio(0xffffffffffffff9c, &(0x7f0000003500)='/dev/audio\x00', 0x200000, 0x0) r10 = socket$kcm(0x2b, 0x8000000000001, 0x0) ioctl$PERF_EVENT_IOC_ENABLE(r10, 0x8912, 0x400200) r11 = openat$vcs(0xffffffffffffff9c, &(0x7f0000000000)='/dev/vcs\x00', 0x0, 0x0) r12 = socket$nl_generic(0x10, 0x3, 0x10) poll(&(0x7f0000000040)=[{r11}, {r10}, {r12}], 0x3, 0x6) sendmsg$NBD_CMD_CONNECT(r3, &(0x7f0000003600)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x80}, 0xc, &(0x7f00000035c0)={&(0x7f0000003540)={0x54, r8, 0x300, 0x70bd2b, 0x25dfdbfe, {}, [@NBD_ATTR_SOCKETS={0x2c, 0x7, [{0x8, 0x1, r9}, {0x8, 0x1, r11}, {0x8, 0x1, r0}, {0x8}, {0x8, 0x1, r0}]}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}]}, 0x54}, 0x1, 0x0, 0x0, 0x80000c0}, 0x4000000) 10:46:43 executing program 1: r0 = perf_event_open(&(0x7f0000940000)={0x2, 0x70, 0xfffffffffffffffd, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}}, 0x0, 0x0, 0xffffffffffffffff, 0x0) mmap(&(0x7f00004da000/0x1000)=nil, 0x1000, 0x0, 0x4000012, r0, 0x0) mincore(&(0x7f00003fa000/0x200000)=nil, 0x200139, &(0x7f0000000000)=""/222) [ 949.269232][ C1] protocol 88fb is buggy, dev hsr_slave_0 [ 949.275076][ C1] protocol 88fb is buggy, dev hsr_slave_1 10:46:44 executing program 4: r0 = socket$kcm(0x2b, 0x8000000000001, 0x0) ioctl$PERF_EVENT_IOC_ENABLE(r0, 0x8912, 0x400200) r1 = socket$inet6(0xa, 0x3, 0x6) setsockopt$inet6_IPV6_FLOWLABEL_MGR(r1, 0x29, 0x4b, &(0x7f0000000300)={@mcast2, 0x10000, 0x0, 0x102, 0x8000003}, 0x20) 10:46:44 executing program 5: r0 = socket$kcm(0x10, 0x2, 0x10) sendmsg$kcm(r0, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000040)=[{&(0x7f0000000300)="1400000013000507ed008064d20010002e000080", 0x14}], 0x1}, 0x0) getsockopt$SO_TIMESTAMP(0xffffffffffffffff, 0x1, 0x1d, &(0x7f0000000000), &(0x7f0000000080)=0x4) 10:46:44 executing program 3: mknod(&(0x7f0000000040)='./bus\x00', 0x2000000000001003, 0x0) r0 = open(&(0x7f0000000100)='./bus\x00', 0x20000000000b04, 0x0) r1 = epoll_create(0x7) epoll_ctl$EPOLL_CTL_ADD(r1, 0x1, r0, &(0x7f00000001c0)) r2 = socket$kcm(0x2b, 0x8000000000001, 0x0) ioctl$PERF_EVENT_IOC_ENABLE(r2, 0x8912, 0x400200) r3 = openat$vcs(0xffffffffffffff9c, &(0x7f0000000000)='/dev/vcs\x00', 0x0, 0x0) r4 = socket$nl_generic(0x10, 0x3, 0x10) poll(&(0x7f0000000040)=[{r3}, {r2}, {r4}], 0x3, 0x6) r5 = socket(0x2000000000000021, 0x2, 0x10000000000002) connect$rxrpc(r5, &(0x7f0000000140)=@in4={0x21, 0x0, 0x2, 0x10}, 0x24) sendmmsg(r5, &(0x7f0000005c00)=[{{0x0, 0xfffffffffffffd95, 0x0, 0x0, &(0x7f0000000000)=ANY=[@ANYBLOB="18000800000000001001000001000000ec00000000000000"], 0x18}}], 0x1, 0x0) r6 = socket$inet6(0xa, 0x3, 0x6) mmap(&(0x7f0000ffd000/0x2000)=nil, 0x2000, 0x8, 0x810, r6, 0x0) setsockopt$inet6_IPV6_FLOWLABEL_MGR(r6, 0x29, 0x20, &(0x7f0000000080)={@loopback, 0x800, 0x0, 0x100000003, 0x1, 0x0, 0x0, 0x400000000}, 0x20) setsockopt$inet6_IPV6_FLOWLABEL_MGR(r6, 0x29, 0x20, &(0x7f0000000300)={@mcast2, 0x10000, 0x0, 0x102, 0x8000003}, 0x20) setsockopt$inet6_IPV6_FLOWLABEL_MGR(r6, 0x29, 0x20, &(0x7f0000000040)={@loopback, 0x0, 0x0, 0x1, 0x3}, 0x20) connect$inet6(r6, &(0x7f0000000500)={0xa, 0x0, 0x40f7, @mcast2, 0x7ff}, 0x9) r7 = syz_open_procfs(0x0, &(0x7f0000000600)='net/ip6_flowlabel\x00n\xc01\x14\x894X\xed\xc1\xc9\xd8\xdcK\r\x8d\xae\x98&@\xd0\xe6\xbbQ\xd7\xffYn\x1c\x92\xde\x0e\xaa1\x91\x98\xe9\x1f\nMCi|+\xcdw\xf0\x176Z\xf1`\xac\xf3;\xd6d2\xeb\xe5\f\x0e\x8b\xda\xf7\xfc9\xfe\xff4\xef\'\xa19q\x93\"\x7fG3\xc1E\xe6e6\xc6\xc2u\x11% \xe7+0\x97\x84;\\\xda\xc4\x80\xc3\xb18N\xbfY%\x05\xf8\x85\x89\xfc\xd2\xd7') sendfile(r6, r7, &(0x7f0000000240)=0x202, 0x4000000000dc) r8 = syz_genetlink_get_family_id$nbd(&(0x7f0000000140)='nbd\x00') ioctl$KVM_S390_UCAS_UNMAP(r7, 0x4018ae51, &(0x7f00000000c0)={0x8000, 0x7ff, 0x2}) sendmsg$NBD_CMD_RECONFIGURE(r7, &(0x7f0000000200)={&(0x7f0000000100)={0x10, 0x0, 0x0, 0x80}, 0xc, &(0x7f00000001c0)={&(0x7f0000000180)={0x1ce, r8, 0xc05, 0x70bd29, 0x25dfdbff}, 0x14}, 0x1, 0x0, 0x0, 0x4}, 0x84) sendmsg$NBD_CMD_STATUS(r5, &(0x7f00000002c0)={&(0x7f0000000180)={0x10, 0x0, 0x0, 0x1000000}, 0xc, &(0x7f0000000280)={&(0x7f00000001c0)={0x28, r8, 0x10, 0x70bd25, 0x25dfdbfb, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x5}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x28}, 0x1, 0x0, 0x0, 0x8b29ba74f3c49941}, 0x4044) r9 = openat$audio(0xffffffffffffff9c, &(0x7f0000003500)='/dev/audio\x00', 0x200000, 0x0) r10 = socket$kcm(0x2b, 0x8000000000001, 0x0) ioctl$PERF_EVENT_IOC_ENABLE(r10, 0x8912, 0x400200) r11 = openat$vcs(0xffffffffffffff9c, &(0x7f0000000000)='/dev/vcs\x00', 0x0, 0x0) r12 = socket$nl_generic(0x10, 0x3, 0x10) poll(&(0x7f0000000040)=[{r11}, {r10}, {r12}], 0x3, 0x6) sendmsg$NBD_CMD_CONNECT(r3, &(0x7f0000003600)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x80}, 0xc, &(0x7f00000035c0)={&(0x7f0000003540)={0x54, r8, 0x300, 0x70bd2b, 0x25dfdbfe, {}, [@NBD_ATTR_SOCKETS={0x2c, 0x7, [{0x8, 0x1, r9}, {0x8, 0x1, r11}, {0x8, 0x1, r0}, {0x8}, {0x8, 0x1, r0}]}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}]}, 0x54}, 0x1, 0x0, 0x0, 0x80000c0}, 0x4000000) 10:46:44 executing program 1: r0 = perf_event_open(&(0x7f0000940000)={0x2, 0x70, 0xfffffffffffffffd, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}}, 0x0, 0x0, 0xffffffffffffffff, 0x0) mmap(&(0x7f00004da000/0x1000)=nil, 0x1000, 0x0, 0x4000012, r0, 0x0) mincore(&(0x7f00003fa000/0x200000)=nil, 0x20013a, &(0x7f0000000000)=""/222) 10:46:44 executing program 5: r0 = socket$kcm(0x10, 0x2, 0x10) sendmsg$kcm(r0, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000040)=[{&(0x7f0000000000)="1400000013000507ed008064d20002002e000080", 0x14}], 0x1}, 0x0) r1 = socket$kcm(0x2b, 0x8000000000001, 0x0) ioctl$PERF_EVENT_IOC_ENABLE(r1, 0x8912, 0x400200) r2 = openat$vcs(0xffffffffffffff9c, &(0x7f0000000000)='/dev/vcs\x00', 0x0, 0x0) r3 = socket$nl_generic(0x10, 0x3, 0x10) poll(&(0x7f0000000040)=[{r2}, {r1}, {r3}], 0x3, 0x6) fsetxattr$security_evm(r2, &(0x7f00000000c0)='security.evm\x00', &(0x7f0000000100)=@v2={0x5, 0x0, 0x0, 0x81, 0x52, "39ff47280638f4c9f524146fcb59c33cf3fe567c38d920f8a56738177c0aeccbc7d4d19d82c9e76c9379997bf4fb0028b818bfb9895630cedfbc98212e2b50ad61592b11e3880f595754cda6f3af5bccf86b"}, 0x5c, 0x1) ioctl$SIOCGIFHWADDR(r2, 0x8927, &(0x7f0000000080)) 10:46:44 executing program 4: r0 = socket$kcm(0x2b, 0x8000000000001, 0x0) ioctl$PERF_EVENT_IOC_ENABLE(r0, 0x8912, 0x400200) r1 = socket$inet6(0xa, 0x3, 0x6) setsockopt$inet6_IPV6_FLOWLABEL_MGR(r1, 0x29, 0x4c, &(0x7f0000000300)={@mcast2, 0x10000, 0x0, 0x102, 0x8000003}, 0x20) 10:46:44 executing program 1: r0 = perf_event_open(&(0x7f0000940000)={0x2, 0x70, 0xfffffffffffffffd, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}}, 0x0, 0x0, 0xffffffffffffffff, 0x0) mmap(&(0x7f00004da000/0x1000)=nil, 0x1000, 0x0, 0x4000012, r0, 0x0) mincore(&(0x7f00003fa000/0x200000)=nil, 0x20013b, &(0x7f0000000000)=""/222) 10:46:44 executing program 3: mknod(&(0x7f0000000040)='./bus\x00', 0x2000000000001003, 0x0) r0 = open(&(0x7f0000000100)='./bus\x00', 0x20000000000b04, 0x0) r1 = epoll_create(0x7) epoll_ctl$EPOLL_CTL_ADD(r1, 0x1, r0, &(0x7f00000001c0)) r2 = socket$kcm(0x2b, 0x8000000000001, 0x0) ioctl$PERF_EVENT_IOC_ENABLE(r2, 0x8912, 0x400200) r3 = openat$vcs(0xffffffffffffff9c, &(0x7f0000000000)='/dev/vcs\x00', 0x0, 0x0) r4 = socket$nl_generic(0x10, 0x3, 0x10) poll(&(0x7f0000000040)=[{r3}, {r2}, {r4}], 0x3, 0x6) r5 = socket(0x2000000000000021, 0x2, 0x10000000000002) connect$rxrpc(r5, &(0x7f0000000140)=@in4={0x21, 0x0, 0x2, 0x10}, 0x24) sendmmsg(r5, &(0x7f0000005c00)=[{{0x0, 0xfffffffffffffd95, 0x0, 0x0, &(0x7f0000000000)=ANY=[@ANYBLOB="18000800000000001001000001000000ec00000000000000"], 0x18}}], 0x1, 0x0) r6 = socket$inet6(0xa, 0x3, 0x6) mmap(&(0x7f0000ffd000/0x2000)=nil, 0x2000, 0x8, 0x810, r6, 0x0) setsockopt$inet6_IPV6_FLOWLABEL_MGR(r6, 0x29, 0x20, &(0x7f0000000080)={@loopback, 0x800, 0x0, 0x100000003, 0x1, 0x0, 0x0, 0x400000000}, 0x20) setsockopt$inet6_IPV6_FLOWLABEL_MGR(r6, 0x29, 0x20, &(0x7f0000000300)={@mcast2, 0x10000, 0x0, 0x102, 0x8000003}, 0x20) setsockopt$inet6_IPV6_FLOWLABEL_MGR(r6, 0x29, 0x20, &(0x7f0000000040)={@loopback, 0x0, 0x0, 0x1, 0x3}, 0x20) connect$inet6(r6, &(0x7f0000000500)={0xa, 0x0, 0x40f7, @mcast2, 0x7ff}, 0x9) r7 = syz_open_procfs(0x0, &(0x7f0000000600)='net/ip6_flowlabel\x00n\xc01\x14\x894X\xed\xc1\xc9\xd8\xdcK\r\x8d\xae\x98&@\xd0\xe6\xbbQ\xd7\xffYn\x1c\x92\xde\x0e\xaa1\x91\x98\xe9\x1f\nMCi|+\xcdw\xf0\x176Z\xf1`\xac\xf3;\xd6d2\xeb\xe5\f\x0e\x8b\xda\xf7\xfc9\xfe\xff4\xef\'\xa19q\x93\"\x7fG3\xc1E\xe6e6\xc6\xc2u\x11% \xe7+0\x97\x84;\\\xda\xc4\x80\xc3\xb18N\xbfY%\x05\xf8\x85\x89\xfc\xd2\xd7') sendfile(r6, r7, &(0x7f0000000240)=0x202, 0x4000000000dc) r8 = syz_genetlink_get_family_id$nbd(&(0x7f0000000140)='nbd\x00') ioctl$KVM_S390_UCAS_UNMAP(r7, 0x4018ae51, &(0x7f00000000c0)={0x8000, 0x7ff, 0x2}) sendmsg$NBD_CMD_RECONFIGURE(r7, &(0x7f0000000200)={&(0x7f0000000100)={0x10, 0x0, 0x0, 0x80}, 0xc, &(0x7f00000001c0)={&(0x7f0000000180)={0x1ce, r8, 0xc05, 0x70bd29, 0x25dfdbff}, 0x14}, 0x1, 0x0, 0x0, 0x4}, 0x84) sendmsg$NBD_CMD_STATUS(r5, &(0x7f00000002c0)={&(0x7f0000000180)={0x10, 0x0, 0x0, 0x1000000}, 0xc, &(0x7f0000000280)={&(0x7f00000001c0)={0x28, r8, 0x10, 0x70bd25, 0x25dfdbfb, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x5}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x28}, 0x1, 0x0, 0x0, 0x8b29ba74f3c49941}, 0x4044) r9 = openat$audio(0xffffffffffffff9c, &(0x7f0000003500)='/dev/audio\x00', 0x200000, 0x0) r10 = socket$kcm(0x2b, 0x8000000000001, 0x0) ioctl$PERF_EVENT_IOC_ENABLE(r10, 0x8912, 0x400200) r11 = openat$vcs(0xffffffffffffff9c, &(0x7f0000000000)='/dev/vcs\x00', 0x0, 0x0) r12 = socket$nl_generic(0x10, 0x3, 0x10) poll(&(0x7f0000000040)=[{r11}, {r10}, {r12}], 0x3, 0x6) sendmsg$NBD_CMD_CONNECT(r3, &(0x7f0000003600)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x80}, 0xc, &(0x7f00000035c0)={&(0x7f0000003540)={0x54, r8, 0x300, 0x70bd2b, 0x25dfdbfe, {}, [@NBD_ATTR_SOCKETS={0x2c, 0x7, [{0x8, 0x1, r9}, {0x8, 0x1, r11}, {0x8, 0x1, r0}, {0x8}, {0x8, 0x1, r0}]}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}]}, 0x54}, 0x1, 0x0, 0x0, 0x80000c0}, 0x4000000) 10:46:44 executing program 5: r0 = socket$kcm(0x10, 0x2, 0x10) sendmsg$kcm(r0, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000040)=[{&(0x7f0000000300)="1400000013000507ed008064d20010002e000080", 0x14}], 0x1}, 0x0) r1 = socket$kcm(0x2b, 0x8000000000001, 0x0) ioctl$PERF_EVENT_IOC_ENABLE(r1, 0x8912, 0x400200) r2 = openat$vcs(0xffffffffffffff9c, &(0x7f0000000000)='/dev/vcs\x00', 0x0, 0x0) r3 = socket$nl_generic(0x10, 0x3, 0x10) poll(&(0x7f0000000040)=[{r2}, {r1}, {r3}], 0x3, 0x6) fsconfig$FSCONFIG_CMD_CREATE(r2, 0x6, 0x0, 0x0, 0x0) r4 = socket$inet6_dccp(0xa, 0x6, 0x0) getsockopt$inet6_int(r4, 0x29, 0x3c, 0x0, &(0x7f00000015c0)) write$binfmt_misc(r4, &(0x7f0000000080)={'syz0', "7756d44a1dfd464ff7e5fe08f0ab68fff15f75f123ed08a859e96ec605a70862393c3ffabf6246f82783fd3925562d9a61f34346213129a5dac19d1fe5"}, 0x41) 10:46:44 executing program 4: r0 = socket$kcm(0x2b, 0x8000000000001, 0x0) ioctl$PERF_EVENT_IOC_ENABLE(r0, 0x8912, 0x400200) r1 = socket$inet6(0xa, 0x3, 0x6) setsockopt$inet6_IPV6_FLOWLABEL_MGR(r1, 0x29, 0x4d, &(0x7f0000000300)={@mcast2, 0x10000, 0x0, 0x102, 0x8000003}, 0x20) [ 950.139229][ C0] protocol 88fb is buggy, dev hsr_slave_0 [ 950.145020][ C0] protocol 88fb is buggy, dev hsr_slave_1 10:46:44 executing program 1: r0 = perf_event_open(&(0x7f0000940000)={0x2, 0x70, 0xfffffffffffffffd, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}}, 0x0, 0x0, 0xffffffffffffffff, 0x0) mmap(&(0x7f00004da000/0x1000)=nil, 0x1000, 0x0, 0x4000012, r0, 0x0) mincore(&(0x7f00003fa000/0x200000)=nil, 0x20013c, &(0x7f0000000000)=""/222) 10:46:44 executing program 4: r0 = socket$kcm(0x2b, 0x8000000000001, 0x0) ioctl$PERF_EVENT_IOC_ENABLE(r0, 0x8912, 0x400200) r1 = socket$inet6(0xa, 0x3, 0x6) setsockopt$inet6_IPV6_FLOWLABEL_MGR(r1, 0x29, 0x4e, &(0x7f0000000300)={@mcast2, 0x10000, 0x0, 0x102, 0x8000003}, 0x20) 10:46:44 executing program 5: r0 = socket$inet6_dccp(0xa, 0x6, 0x0) getsockopt$inet6_int(r0, 0x29, 0x3c, 0x0, &(0x7f00000015c0)) r1 = socket$netlink(0x10, 0x3, 0x0) r2 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r2, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r2, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r1, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000240)={&(0x7f0000000340)=@newlink={0x38, 0x10, 0x705, 0x0, 0x0, {}, [@IFLA_LINKINFO={0x18, 0x12, @vti={{0x8, 0x1, 'vti\x00'}, {0xc, 0x2, [@vti_common_policy=[@IFLA_VTI_LINK={0x8, 0x1, r3}]]}}}]}, 0x38}}, 0x0) ioctl$ifreq_SIOCGIFINDEX_team(0xffffffffffffffff, 0x8933, &(0x7f0000000400)={'team0\x00', r3}) r5 = socket$inet6_dccp(0xa, 0x6, 0x0) getsockopt$inet6_int(r5, 0x29, 0x3c, 0x0, &(0x7f00000015c0)) r6 = socket$inet6_dccp(0xa, 0x6, 0x0) getsockopt$inet6_int(r6, 0x29, 0x3c, 0x0, &(0x7f00000015c0)) sendmmsg$sock(r0, &(0x7f0000002700)=[{{&(0x7f0000000440)=@hci={0x1f, r4, 0x2}, 0x80, &(0x7f0000000640)=[{&(0x7f00000004c0)="09c065538449eb1803d76c2b0dd8b80bb360b8d57f12b4c2e97c9a0b6178aab5d3082446e488b9314ef64a2af6cfb342c888f9eac677fd9495dda89abf672f463314ebec2e1e32daff28ceb0621daa6a4d44f8b89c6dd87bc0411441408fbf23ef215c310bcb7110", 0x68}, {&(0x7f0000000540)="ec86d9f053b1fedf87a55b56fb5190ce9435abaab379d34fce3f6c3b5d0ce712c5051114142fc60b76e39e89167b2a148d5150d6f8015782f911d04c09c17f64edbc83611fbea35ecefe876ad83dfb2072e8a03b22ff7f179c486c25109fa993d3746a57e6f20337275acc9447ca52ecbedcaec70ce90588b8a61db20a8ee577bfe1284cf537e03a9f6a2d94fa11e5b56e7ccebca6c2f528fe1454fd04eea92dac2a81d4ad0c9381777e6e2f1f9cc02861806ed37c4eaf8e8a813e94c941142a9b3cc767846b6f2795482cc029fe92ae6c5165", 0xd3}], 0x2, &(0x7f0000000680)=[@txtime={{0x18, 0x1, 0x3d, 0x1000}}, @txtime={{0x18, 0x1, 0x3d, 0xfffffffffffffff8}}, @txtime={{0x18, 0x1, 0x3d, 0xa21f}}, @mark={{0x14, 0x1, 0x24, 0x7fffffff}}, @mark={{0x14, 0x1, 0x24, 0xae}}, @mark={{0x14, 0x1, 0x24, 0xff}}], 0x90}}, {{&(0x7f0000000740)=@generic={0xa, "f102421d70ca5fb6c56caeee514c4dd8edb363779eb098c6e2c7335d25c37b503e3d7ac53addfeeaa0ea4354966ed2315c860254a2db052a51cc6c4a92dff5f5024860f1006f423bd848a7142b194afed24df3ca250eac02b9e842c48e7e0c98ec7e46066df2c7d0ade818962f24d5b27d47be2a03684d5f2100f4c0ad5e"}, 0x80, &(0x7f0000001b00)=[{&(0x7f00000007c0)="e668609acf2565a9ebdf5cf26acfa07f388a7088", 0x14}, {&(0x7f0000000800)="8e65b3983060dedaef4743ed849e785c81439540a0746448654ad9ef94becca84f9a202ddcca01d6198425fb7c5d49b7be1572663ee071cc21c33b08994924683905d2f73fb0f0d8996b9a520474067ced90614742d86d54de162989621e6b4e0c7b2822d7f975de6b7402eef133a33c39e69207b1f8f53ff88c48669913f98df4a7d918c34b6d83910b125d17c80c16dc1e4a53e1ae2a3e6548759cfba955ee2f3c0c32dbaaad1dc71796e26ac44e41eec97b9daa6706c54a33de8649338f8946869cd075a1f923dec25f5bba57b633bb9192ceea48f5f86558cb7304dce4ddaf240d12c25fc8f871d2b8", 0xeb}, {&(0x7f0000000900)="57235777babf2f8ea43e7d78d324e4fbeee40907b9dee35c420d9ca0aa7211c304946aa5", 0x24}, {&(0x7f0000000940)="56707e83", 0x4}, {&(0x7f0000000980)="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", 0x1000}, {&(0x7f0000001980)="502d6263585588f2749da3dd54f0749493d503fc5979ccea998d1b9c3128c2637a3d15789ea7471e4dc991b11897e593b930c4dd50b5e41fc0d7cb37f839932d95a1f0c8c4a919350738ce4a687f93ab7e97c5a3906112b6ef68b993b7827471c655a1d96eacba116eded2123370e07121ddc2102f319c744d7a547f7c05a7656c68c7fa3ca9b2afd4fda0693ff72ecd7a4bb434fcdd80353c8ef3d6f3ed647129df88ffc47aeff131b252ab02a18d21ecb494e010ade22ad55b1c6d31b5fefb46b9e52e363f1eac7875b40bf46ba2b978d9ce79c41e1945f3d59b5ba4cc50edc6c2", 0xe2}, {&(0x7f0000001a80)="8678331848de3383f48697f5b5f5b7deb29dbda3302381d4d5a56eb46f2dbd20f86b3aca558f5dd8087be79d68e87c30d020ef9f942a68f3f32adb9b26aaf3f3105327fa533ac2d7e202d0d3b4eb1185144adb1218db85371af46c3cfb992aedad17bc2aa034c7", 0x67}], 0x7, &(0x7f0000001b80)=[@txtime={{0x18}}, @mark={{0x14, 0x1, 0x24, 0x3}}, @txtime={{0x18, 0x1, 0x3d, 0x6}}, @timestamping={{0x14, 0x1, 0x25, 0x4}}, @timestamping={{0x14, 0x1, 0x25, 0x3f}}, @txtime={{0x18, 0x1, 0x3d, 0xfc6}}, @txtime={{0x18, 0x1, 0x3d, 0x20}}], 0xa8}}, {{&(0x7f0000001c40)=@pppol2tpv3={0x18, 0x1, {0x0, r5, {0x2, 0x4e24, @dev={0xac, 0x14, 0x14, 0x25}}, 0x3, 0x4, 0x1, 0x2}}, 0x80, &(0x7f00000020c0)=[{&(0x7f0000001cc0)="209a7f709b4dfb75891665a4d808b976de271306cd7dfda974ac8241d17ff823b329ec3374ea0fb0cbc4b5263717ecf1aeba4d5621b083fb4211872afb59cca757d44e7a28a5d866ecadddadf93f425ddc9cd71fe1ab2dec1d1dee55783c8a724406cdbaf4b4e523c43bf24850cd0cf6b1a82066d8c1fb3ad0831c75edf6ac9169a4c9273d15ec45df0b9dcdb253c1d9674febb457ef15f0ced88f44395a6fc1bed45c91eaf39484c6c9ae62b4fd13", 0xaf}, {&(0x7f0000001d80)="f0a50fa1c21d5b214f9496d6bd6c00c2c7d6c3808b12b9c06c182407da1177a94338841414a4defc29af1f709ffaccfc407e1a7475434fa0591d467e75c30c2851e2db24aacbf7648d9f0085326a87f087c7af9e0c0505a3af9520d65d074846aa49f8ed2250e9ca32bc85f0119ed66723c93f5d48b81cb3ac8246b83781847cdd20a625c07c03bc53de5506ad9ac30838f0253c020c7425b00bcfaee75be4b9a87a0e3eb8f3d61c3020bca9d4f93e69366ea21baaa3d6674f959e4bc478e8b004d5ea8caa2fcf04fd0ba0ee5d4f340ad0738af518", 0xd5}, {&(0x7f0000001e80)="073c8cbb4f58558886be03a0310021826119ac9ba8017f8ef21a4e522f8b687dab20130889", 0x25}, {&(0x7f0000001ec0)="44530161afea5374553a17a451369cae8ae53acf43cfcf44e84f64f7974af84fef2483da5649bf226584db67c7f48f56ea34de50d67219943b50072a7a5ba80dbd65d8c96476bc33f21b54960722988917be66f167bfce56be3ac7ba64a1b12604dd0dc3d6cf245b2a282e6b4bba0431bc31715db8e27a8f91b5f6672a9f132423ee72cbe76627aed836e8c714a3ab500bb461df148314df0cbfd7835f53d64f937b1e119f9f9a24", 0xa8}, {&(0x7f0000001f80)="265d08f6642a43c70ab341093cc00829761fb221517003eb9fc41e5058a82014976e77a2d4e479c0f93d75f4852b35238ddf0c0a8261f2230ef05b8b654f03965963a72ca402ae64dc061dadfe305b58eef9859e57add3c67b3e4da857d2245d9d7acdf62a633807e784742545bd", 0x6e}, {&(0x7f0000002000)="9a02debc1562a636091353ecb9d645108801eec2762d39701f36545cef18d79d402e44", 0x23}, {&(0x7f0000002040)="24f341a44aa8d874aa76ec3830059fa8586c4d2b406b95a61968b107f7882f275f290ec3e11deb54108426656479fdc85e98d5908f91734f30087dc263486a414585", 0x42}], 0x7, &(0x7f0000002140)=[@mark={{0x14}}, @mark={{0x14, 0x1, 0x24, 0x5}}, @timestamping={{0x14, 0x1, 0x25, 0x2}}, @mark={{0x14}}, @txtime={{0x18, 0x1, 0x3d, 0x8f3}}, @timestamping={{0x14, 0x1, 0x25, 0x7fff}}, @mark={{0x14, 0x1, 0x24, 0x200}}], 0xa8}}, {{&(0x7f0000002200)=@pppol2tpv3in6={0x18, 0x1, {0x0, r6, 0x2, 0x3, 0x3, 0x0, {0xa, 0x4e24, 0x4, @rand_addr="c4e9f894e3249864d8301acda26c8f38", 0x5}}}, 0x80, &(0x7f0000002640)=[{&(0x7f0000002280)="9148f47422e09c886e625225f44255121adeaa4d41ad9cb6e5dfecb29fa92e525fb898b2c089d4b35ec99fe16b68d2956a759030be", 0x35}, {&(0x7f00000022c0)="7a739bb1701664e2432a96257f43c63dcefcb80dca934f89bb3901ac770eb94e67600119fd9d9682212f4b925d7ad0fad46d7432c28ae385f131e299f1d3ebdfa5d28757ee07000b1f", 0x49}, {&(0x7f0000002340)="0731f0924d95a6aa4e0ca43d28d6112d6c341cd1ad07292b224293ca49b00bb2530463ed10e22b22ee3c8964be553e6ad814ad63c981c6aad84f5cf16f21dd197fd5463e5988262ae8a8c2e59cb5f05f87e2bce34eca2925048e7fd2fc30708cf55dea3b2dbfdd22a898179135fc95e4eb2e9d469df747", 0x77}, {&(0x7f00000023c0)="241b10534fb8691e55a506a53d9000f02b802f3add91f753661924463e82308b8c54b63c5b91b3f02881e5d427079e649bfb10d5637aac134684f5b075b9ff3ab16c737f3629736c1819adc1a2994349173d9326143574b56a1737ae16d819da9c23828069e619ac78491bbfd172efc27657096d4cc99249d0f0ed98f725af99f65787c968706f8ee1096288b3945513b3754d632edb7fa3756774caf93f15420a532d6eb580d1a63f2b39ea41272d89e79a1bbbc77bc91d2cadf4add9e821cecc4c62", 0xc3}, {&(0x7f00000024c0)="dad99cc57d70af09d7a141f9a97b56d6b00379f27bdc8ece89dfcb361edbc1d7b56125c75d7d17fbcd22f34b9d4bd78358777a8394845e9b8ce05ce9e8ddee84633b5f861916e2550b2e9115041a00c185eda3a9618f6ee63ace6648d219817966033842360144d86244d7d618fa39f28465349dc787aaf8ebd85b725fad5156b828d72f7c8a949a516412", 0x8b}, {&(0x7f0000002580)="22a2b9abb2b6e3f0b76f41917ea885889a3616113dd9798ad40b1a6eedb7012dceaa93b5635e280871711b1e14d50fa21f0c5267fd2eba8d79638e822f60cd18", 0x40}, {&(0x7f00000025c0)="85d85c7cfd3924abbaf6f7a0e389ad1f45e143632dd7c3d264cbc68c2f1a2c8e8bf5a68b3b033ec4c40b08c9674d24f59917011b68e09b730454bd7d4414855fc6b8429704c79e10d7ac613c6e", 0x4d}], 0x7, &(0x7f00000026c0)=[@mark={{0x14, 0x1, 0x24, 0x7}}], 0x18}}], 0x4, 0x400010e4) r7 = socket$kcm(0x10, 0x2, 0x10) sendmsg$kcm(r7, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000040)=[{&(0x7f0000000300)="1400000013000507ed008064d20010002e000080", 0x14}], 0x1}, 0x0) getsockname$packet(0xffffffffffffffff, &(0x7f0000000000)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @random}, &(0x7f0000000080)=0x14) 10:46:44 executing program 3: mknod(&(0x7f0000000040)='./bus\x00', 0x2000000000001003, 0x0) r0 = open(&(0x7f0000000100)='./bus\x00', 0x20000000000b04, 0x0) r1 = epoll_create(0x7) epoll_ctl$EPOLL_CTL_ADD(r1, 0x1, r0, &(0x7f00000001c0)) r2 = socket$kcm(0x2b, 0x8000000000001, 0x0) ioctl$PERF_EVENT_IOC_ENABLE(r2, 0x8912, 0x400200) r3 = openat$vcs(0xffffffffffffff9c, &(0x7f0000000000)='/dev/vcs\x00', 0x0, 0x0) r4 = socket$nl_generic(0x10, 0x3, 0x10) poll(&(0x7f0000000040)=[{r3}, {r2}, {r4}], 0x3, 0x6) r5 = socket(0x2000000000000021, 0x2, 0x10000000000002) connect$rxrpc(r5, &(0x7f0000000140)=@in4={0x21, 0x0, 0x2, 0x10}, 0x24) sendmmsg(r5, &(0x7f0000005c00)=[{{0x0, 0xfffffffffffffd95, 0x0, 0x0, &(0x7f0000000000)=ANY=[@ANYBLOB="18000800000000001001000001000000ec00000000000000"], 0x18}}], 0x1, 0x0) r6 = socket$inet6(0xa, 0x3, 0x6) mmap(&(0x7f0000ffd000/0x2000)=nil, 0x2000, 0x8, 0x810, r6, 0x0) setsockopt$inet6_IPV6_FLOWLABEL_MGR(r6, 0x29, 0x20, &(0x7f0000000080)={@loopback, 0x800, 0x0, 0x100000003, 0x1, 0x0, 0x0, 0x400000000}, 0x20) setsockopt$inet6_IPV6_FLOWLABEL_MGR(r6, 0x29, 0x20, &(0x7f0000000300)={@mcast2, 0x10000, 0x0, 0x102, 0x8000003}, 0x20) setsockopt$inet6_IPV6_FLOWLABEL_MGR(r6, 0x29, 0x20, &(0x7f0000000040)={@loopback, 0x0, 0x0, 0x1, 0x3}, 0x20) connect$inet6(r6, &(0x7f0000000500)={0xa, 0x0, 0x40f7, @mcast2, 0x7ff}, 0x9) r7 = syz_open_procfs(0x0, &(0x7f0000000600)='net/ip6_flowlabel\x00n\xc01\x14\x894X\xed\xc1\xc9\xd8\xdcK\r\x8d\xae\x98&@\xd0\xe6\xbbQ\xd7\xffYn\x1c\x92\xde\x0e\xaa1\x91\x98\xe9\x1f\nMCi|+\xcdw\xf0\x176Z\xf1`\xac\xf3;\xd6d2\xeb\xe5\f\x0e\x8b\xda\xf7\xfc9\xfe\xff4\xef\'\xa19q\x93\"\x7fG3\xc1E\xe6e6\xc6\xc2u\x11% \xe7+0\x97\x84;\\\xda\xc4\x80\xc3\xb18N\xbfY%\x05\xf8\x85\x89\xfc\xd2\xd7') sendfile(r6, r7, &(0x7f0000000240)=0x202, 0x4000000000dc) r8 = syz_genetlink_get_family_id$nbd(&(0x7f0000000140)='nbd\x00') ioctl$KVM_S390_UCAS_UNMAP(r7, 0x4018ae51, &(0x7f00000000c0)={0x8000, 0x7ff, 0x2}) sendmsg$NBD_CMD_RECONFIGURE(r7, &(0x7f0000000200)={&(0x7f0000000100)={0x10, 0x0, 0x0, 0x80}, 0xc, &(0x7f00000001c0)={&(0x7f0000000180)={0x1ce, r8, 0xc05, 0x70bd29, 0x25dfdbff}, 0x14}, 0x1, 0x0, 0x0, 0x4}, 0x84) sendmsg$NBD_CMD_STATUS(r5, &(0x7f00000002c0)={&(0x7f0000000180)={0x10, 0x0, 0x0, 0x1000000}, 0xc, &(0x7f0000000280)={&(0x7f00000001c0)={0x28, r8, 0x10, 0x70bd25, 0x25dfdbfb, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x5}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x28}, 0x1, 0x0, 0x0, 0x8b29ba74f3c49941}, 0x4044) r9 = openat$audio(0xffffffffffffff9c, &(0x7f0000003500)='/dev/audio\x00', 0x200000, 0x0) r10 = socket$kcm(0x2b, 0x8000000000001, 0x0) ioctl$PERF_EVENT_IOC_ENABLE(r10, 0x8912, 0x400200) r11 = openat$vcs(0xffffffffffffff9c, &(0x7f0000000000)='/dev/vcs\x00', 0x0, 0x0) r12 = socket$nl_generic(0x10, 0x3, 0x10) poll(&(0x7f0000000040)=[{r11}, {r10}, {r12}], 0x3, 0x6) sendmsg$NBD_CMD_CONNECT(r3, &(0x7f0000003600)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x80}, 0xc, &(0x7f00000035c0)={&(0x7f0000003540)={0x54, r8, 0x300, 0x70bd2b, 0x25dfdbfe, {}, [@NBD_ATTR_SOCKETS={0x2c, 0x7, [{0x8, 0x1, r9}, {0x8, 0x1, r11}, {0x8, 0x1, r0}, {0x8}, {0x8, 0x1, r0}]}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}]}, 0x54}, 0x1, 0x0, 0x0, 0x80000c0}, 0x4000000) 10:46:45 executing program 1: r0 = perf_event_open(&(0x7f0000940000)={0x2, 0x70, 0xfffffffffffffffd, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}}, 0x0, 0x0, 0xffffffffffffffff, 0x0) mmap(&(0x7f00004da000/0x1000)=nil, 0x1000, 0x0, 0x4000012, r0, 0x0) mincore(&(0x7f00003fa000/0x200000)=nil, 0x20013d, &(0x7f0000000000)=""/222) 10:46:45 executing program 5: r0 = socket$kcm(0x10, 0x2, 0x10) sendmsg$kcm(r0, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000040)=[{&(0x7f0000000300)="1400000013000507ed008064d20010002e000080", 0x14}], 0x1}, 0x0) write$apparmor_exec(0xffffffffffffffff, &(0x7f0000000000)={'exec ', '@keyring]\x00'}, 0xf) 10:46:45 executing program 4: r0 = socket$kcm(0x2b, 0x8000000000001, 0x0) ioctl$PERF_EVENT_IOC_ENABLE(r0, 0x8912, 0x400200) r1 = socket$inet6(0xa, 0x3, 0x6) setsockopt$inet6_IPV6_FLOWLABEL_MGR(r1, 0x29, 0x20000320, &(0x7f0000000300)={@mcast2, 0x10000, 0x0, 0x102, 0x8000003}, 0x20) [ 950.619301][ C1] protocol 88fb is buggy, dev hsr_slave_0 [ 950.625133][ C1] protocol 88fb is buggy, dev hsr_slave_1 10:46:45 executing program 5: r0 = syz_open_dev$mice(&(0x7f0000000000)='/dev/input/mice\x00', 0x0, 0x504000) clock_gettime(0x0, &(0x7f0000000080)={0x0, 0x0}) timerfd_settime(r0, 0x1, &(0x7f00000000c0)={{r1, r2+30000000}, {0x0, 0x1c9c380}}, &(0x7f0000000100)) r3 = socket$kcm(0x10, 0x2, 0x10) sendmsg$kcm(r3, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000040)=[{&(0x7f0000000300)="1400000013000507ed008064d20010002e000080", 0x14}], 0x1}, 0x0) 10:46:45 executing program 3: mknod(&(0x7f0000000040)='./bus\x00', 0x2000000000001003, 0x0) r0 = open(&(0x7f0000000100)='./bus\x00', 0x20000000000b04, 0x0) r1 = epoll_create(0x7) epoll_ctl$EPOLL_CTL_ADD(r1, 0x1, r0, &(0x7f00000001c0)) r2 = socket$kcm(0x2b, 0x8000000000001, 0x0) ioctl$PERF_EVENT_IOC_ENABLE(r2, 0x8912, 0x400200) r3 = openat$vcs(0xffffffffffffff9c, &(0x7f0000000000)='/dev/vcs\x00', 0x0, 0x0) r4 = socket$nl_generic(0x10, 0x3, 0x10) poll(&(0x7f0000000040)=[{r3}, {r2}, {r4}], 0x3, 0x6) r5 = socket(0x2000000000000021, 0x2, 0x10000000000002) connect$rxrpc(r5, &(0x7f0000000140)=@in4={0x21, 0x0, 0x2, 0x10, {0x2, 0x0, @rand_addr=0xdd}}, 0x24) sendmmsg(0xffffffffffffffff, &(0x7f0000005c00)=[{{0x0, 0xfffffffffffffd95, 0x0, 0x0, &(0x7f0000000000)=ANY=[@ANYBLOB="18000800000000001001000001000000ec00000000000000"], 0x18}}], 0x1, 0x0) r6 = socket$inet6(0xa, 0x3, 0x6) mmap(&(0x7f0000ffd000/0x2000)=nil, 0x2000, 0x8, 0x810, r6, 0x0) setsockopt$inet6_IPV6_FLOWLABEL_MGR(r6, 0x29, 0x20, &(0x7f0000000080)={@loopback, 0x800, 0x0, 0x100000003, 0x1, 0x0, 0x0, 0x400000000}, 0x20) setsockopt$inet6_IPV6_FLOWLABEL_MGR(r6, 0x29, 0x20, &(0x7f0000000300)={@mcast2, 0x10000, 0x0, 0x102, 0x8000003}, 0x20) setsockopt$inet6_IPV6_FLOWLABEL_MGR(r6, 0x29, 0x20, &(0x7f0000000040)={@loopback, 0x0, 0x0, 0x1, 0x3}, 0x20) connect$inet6(r6, &(0x7f0000000500)={0xa, 0x0, 0x40f7, @mcast2, 0x7ff}, 0x9) r7 = syz_open_procfs(0x0, &(0x7f0000000600)='net/ip6_flowlabel\x00n\xc01\x14\x894X\xed\xc1\xc9\xd8\xdcK\r\x8d\xae\x98&@\xd0\xe6\xbbQ\xd7\xffYn\x1c\x92\xde\x0e\xaa1\x91\x98\xe9\x1f\nMCi|+\xcdw\xf0\x176Z\xf1`\xac\xf3;\xd6d2\xeb\xe5\f\x0e\x8b\xda\xf7\xfc9\xfe\xff4\xef\'\xa19q\x93\"\x7fG3\xc1E\xe6e6\xc6\xc2u\x11% \xe7+0\x97\x84;\\\xda\xc4\x80\xc3\xb18N\xbfY%\x05\xf8\x85\x89\xfc\xd2\xd7') sendfile(r6, r7, &(0x7f0000000240)=0x202, 0x4000000000dc) r8 = syz_genetlink_get_family_id$nbd(&(0x7f0000000140)='nbd\x00') ioctl$KVM_S390_UCAS_UNMAP(r7, 0x4018ae51, &(0x7f00000000c0)={0x8000, 0x7ff, 0x2}) sendmsg$NBD_CMD_RECONFIGURE(r7, &(0x7f0000000200)={&(0x7f0000000100)={0x10, 0x0, 0x0, 0x80}, 0xc, &(0x7f00000001c0)={&(0x7f0000000180)={0x1ce, r8, 0xc05, 0x70bd29, 0x25dfdbff}, 0x14}, 0x1, 0x0, 0x0, 0x4}, 0x84) sendmsg$NBD_CMD_STATUS(r5, &(0x7f00000002c0)={&(0x7f0000000180)={0x10, 0x0, 0x0, 0x1000000}, 0xc, &(0x7f0000000280)={&(0x7f00000001c0)={0x28, r8, 0x10, 0x70bd25, 0x25dfdbfb, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x5}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x28}, 0x1, 0x0, 0x0, 0x8b29ba74f3c49941}, 0x4044) r9 = openat$audio(0xffffffffffffff9c, &(0x7f0000003500)='/dev/audio\x00', 0x200000, 0x0) r10 = socket$kcm(0x2b, 0x8000000000001, 0x0) ioctl$PERF_EVENT_IOC_ENABLE(r10, 0x8912, 0x400200) r11 = openat$vcs(0xffffffffffffff9c, &(0x7f0000000000)='/dev/vcs\x00', 0x0, 0x0) r12 = socket$nl_generic(0x10, 0x3, 0x10) poll(&(0x7f0000000040)=[{r11}, {r10}, {r12}], 0x3, 0x6) sendmsg$NBD_CMD_CONNECT(r3, &(0x7f0000003600)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x80}, 0xc, &(0x7f00000035c0)={&(0x7f0000003540)={0x54, r8, 0x300, 0x70bd2b, 0x25dfdbfe, {}, [@NBD_ATTR_SOCKETS={0x2c, 0x7, [{0x8, 0x1, r9}, {0x8, 0x1, r11}, {0x8, 0x1, r0}, {0x8}, {0x8, 0x1, r0}]}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}]}, 0x54}, 0x1, 0x0, 0x0, 0x80000c0}, 0x4000000) 10:46:45 executing program 1: r0 = perf_event_open(&(0x7f0000940000)={0x2, 0x70, 0xfffffffffffffffd, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}}, 0x0, 0x0, 0xffffffffffffffff, 0x0) mmap(&(0x7f00004da000/0x1000)=nil, 0x1000, 0x0, 0x4000012, r0, 0x0) mincore(&(0x7f00003fa000/0x200000)=nil, 0x20013e, &(0x7f0000000000)=""/222) 10:46:45 executing program 4: r0 = socket$kcm(0x2b, 0x8000000000001, 0x0) ioctl$PERF_EVENT_IOC_ENABLE(r0, 0x8912, 0x400200) r1 = socket$inet6(0xa, 0x3, 0x6) setsockopt$inet6_IPV6_FLOWLABEL_MGR(r1, 0x29, 0x20, &(0x7f0000000300)={@mcast2={0xff, 0x3}, 0x10000, 0x0, 0x102, 0x8000003}, 0x20) 10:46:45 executing program 5: r0 = socket$kcm(0x10, 0x2, 0x10) sendmsg$kcm(r0, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000040)=[{&(0x7f0000000300)="1400000013000507ed008064d20010002e000080", 0x14}], 0x1}, 0x0) r1 = openat$vsock(0xffffffffffffff9c, &(0x7f0000000000)='/dev/vsock\x00', 0x200000, 0x0) ioctl$SNDRV_SEQ_IOCTL_GET_SUBSCRIPTION(r1, 0xc0505350, &(0x7f0000000080)={{0x4d, 0x8}, {0x7f, 0x93}, 0x3, 0x3, 0x3}) 10:46:45 executing program 4: r0 = socket$kcm(0x2b, 0x8000000000001, 0x0) ioctl$PERF_EVENT_IOC_ENABLE(r0, 0x8912, 0x400200) r1 = socket$inet6(0xa, 0x3, 0x6) setsockopt$inet6_IPV6_FLOWLABEL_MGR(r1, 0x29, 0x20, &(0x7f0000000300)={@mcast2={0xff, 0x5}, 0x10000, 0x0, 0x102, 0x8000003}, 0x20) 10:46:45 executing program 5: r0 = socket$kcm(0x10, 0x2, 0x10) sendmsg$kcm(r0, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000040)=[{&(0x7f0000000300)="1400000013000507ed008064d20010002e000080", 0x14}], 0x1}, 0x0) r1 = socket$kcm(0x2b, 0x8000000000001, 0x0) ioctl$PERF_EVENT_IOC_ENABLE(r1, 0x8912, 0x400200) r2 = openat$vcs(0xffffffffffffff9c, &(0x7f0000000000)='/dev/vcs\x00', 0x0, 0x0) r3 = socket$nl_generic(0x10, 0x3, 0x10) poll(&(0x7f0000000040)=[{r2}, {r1}, {r3}], 0x3, 0x6) getsockopt$inet_pktinfo(0xffffffffffffffff, 0x0, 0x8, &(0x7f0000000000)={0x0, @multicast1, @local}, &(0x7f0000000080)=0xc) sendmsg$kcm(r1, &(0x7f00000002c0)={&(0x7f00000000c0)=@xdp={0x2c, 0x3, r4, 0x12}, 0x80, &(0x7f0000000240)=[{&(0x7f0000000140)="a1d05f3bb4dace4ee8c8545e0549450153736d1765df4619e0107109dbadc51e80f08f6b8d2caa8cf73800afc10968b4309e612938525c105973344aefb6cbf3401d6f4f2a58a34af72d93f89fa03f7fa12e10df1351bc2a13f8e0a07c9cc19014ca47b20bd1e820d600de75eedec7fbc2b2694c0c3e7aae696b69d5bdf68aedc162", 0x82}, {&(0x7f0000000340)="f74badc2aa3f9d6117e265abe5b5c230af22a5a19e3e3c97b651fc1dc1e321be0ccfcfa006e48dc343db4f8f2d3641881f987be09e95aadbc45c60a493a3a8eeeb2e00d0b2db5076836d009721e65b0bfc49b37744b7b423c169edbbd624a99c5b295079f8e2bbb2195b62043c389e867db41221e95cceba36ddc0848809272deb9d77dec7caa98160df1c73c448ec177fe977a477634f808d01c542031527df08e2331be208bb7d52c8ae9311eb24238472f457ee7c15d556e7670b21f1aee600577f207af9abf736b3cb1a82991671934e1568dd18336f5882dbfd9ebe90c00bb434bdd21f0735", 0xe8}, {&(0x7f0000000200)}, {&(0x7f0000000440)="0fc701bee150a7bdf9030f6b3b2669cdb2f3cda165f2087c8d71f48ea389f2765625e022c12bfdc83259f788fe25126dea39e5257d79293ab3649324c2e90597450bc4f659ce5ca76135f052324bd75b015269e19f5e72343572dcd754743663fed542c4f7776f8f6fef6681a45a8ee9ed9147c8763b705f25de513d1802f18935a666a431f1c9a7e46483299207e03f18129dcc3c7494d86d640581904c82989e501b689c8be4250290c73c6d4f8a3d858c35912b6e58", 0xb7}], 0x4, &(0x7f0000000500)=[{0x98, 0x103, 0x6, "90c6818c6d87a12fc35a7bb16cedb955b07a47ff14273be977a3d62ebc5433423a2decd08e5facb8549b79be4df13fe236ddbc3c1d7cb45ad64e6bb52370072595442fdcfbb5fbf9946fefbf443b718eb51950577e026cc49bd98793060550defbd826536c433de8cec1f841a1aec92a1aefbff567d29976292d36f2803cf61039765a"}], 0x98}, 0x8164bc246416cd13) 10:46:45 executing program 3: mknod(&(0x7f0000000040)='./bus\x00', 0x2000000000001003, 0x0) r0 = open(&(0x7f0000000100)='./bus\x00', 0x20000000000b04, 0x0) r1 = epoll_create(0x7) epoll_ctl$EPOLL_CTL_ADD(r1, 0x1, r0, &(0x7f00000001c0)) r2 = socket$kcm(0x2b, 0x8000000000001, 0x0) ioctl$PERF_EVENT_IOC_ENABLE(r2, 0x8912, 0x400200) r3 = openat$vcs(0xffffffffffffff9c, &(0x7f0000000000)='/dev/vcs\x00', 0x0, 0x0) r4 = socket$nl_generic(0x10, 0x3, 0x10) poll(&(0x7f0000000040)=[{r3}, {r2}, {r4}], 0x3, 0x6) r5 = socket(0x2000000000000021, 0x2, 0x10000000000002) connect$rxrpc(r5, &(0x7f0000000140)=@in4={0x21, 0x0, 0x2, 0x10, {0x2, 0x0, @rand_addr=0xdd}}, 0x24) sendmmsg(0xffffffffffffffff, &(0x7f0000005c00)=[{{0x0, 0xfffffffffffffd95, 0x0, 0x0, &(0x7f0000000000)=ANY=[@ANYBLOB="18000800000000001001000001000000ec00000000000000"], 0x18}}], 0x1, 0x0) r6 = socket$inet6(0xa, 0x3, 0x6) mmap(&(0x7f0000ffd000/0x2000)=nil, 0x2000, 0x8, 0x810, r6, 0x0) setsockopt$inet6_IPV6_FLOWLABEL_MGR(r6, 0x29, 0x20, &(0x7f0000000080)={@loopback, 0x800, 0x0, 0x100000003, 0x1, 0x0, 0x0, 0x400000000}, 0x20) setsockopt$inet6_IPV6_FLOWLABEL_MGR(r6, 0x29, 0x20, &(0x7f0000000300)={@mcast2, 0x10000, 0x0, 0x102, 0x8000003}, 0x20) setsockopt$inet6_IPV6_FLOWLABEL_MGR(r6, 0x29, 0x20, &(0x7f0000000040)={@loopback, 0x0, 0x0, 0x1, 0x3}, 0x20) connect$inet6(r6, &(0x7f0000000500)={0xa, 0x0, 0x40f7, @mcast2, 0x7ff}, 0x9) r7 = syz_open_procfs(0x0, &(0x7f0000000600)='net/ip6_flowlabel\x00n\xc01\x14\x894X\xed\xc1\xc9\xd8\xdcK\r\x8d\xae\x98&@\xd0\xe6\xbbQ\xd7\xffYn\x1c\x92\xde\x0e\xaa1\x91\x98\xe9\x1f\nMCi|+\xcdw\xf0\x176Z\xf1`\xac\xf3;\xd6d2\xeb\xe5\f\x0e\x8b\xda\xf7\xfc9\xfe\xff4\xef\'\xa19q\x93\"\x7fG3\xc1E\xe6e6\xc6\xc2u\x11% \xe7+0\x97\x84;\\\xda\xc4\x80\xc3\xb18N\xbfY%\x05\xf8\x85\x89\xfc\xd2\xd7') sendfile(r6, r7, &(0x7f0000000240)=0x202, 0x4000000000dc) r8 = syz_genetlink_get_family_id$nbd(&(0x7f0000000140)='nbd\x00') ioctl$KVM_S390_UCAS_UNMAP(r7, 0x4018ae51, &(0x7f00000000c0)={0x8000, 0x7ff, 0x2}) sendmsg$NBD_CMD_RECONFIGURE(r7, &(0x7f0000000200)={&(0x7f0000000100)={0x10, 0x0, 0x0, 0x80}, 0xc, &(0x7f00000001c0)={&(0x7f0000000180)={0x1ce, r8, 0xc05, 0x70bd29, 0x25dfdbff}, 0x14}, 0x1, 0x0, 0x0, 0x4}, 0x84) sendmsg$NBD_CMD_STATUS(r5, &(0x7f00000002c0)={&(0x7f0000000180)={0x10, 0x0, 0x0, 0x1000000}, 0xc, &(0x7f0000000280)={&(0x7f00000001c0)={0x28, r8, 0x10, 0x70bd25, 0x25dfdbfb, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x5}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x28}, 0x1, 0x0, 0x0, 0x8b29ba74f3c49941}, 0x4044) r9 = openat$audio(0xffffffffffffff9c, &(0x7f0000003500)='/dev/audio\x00', 0x200000, 0x0) r10 = socket$kcm(0x2b, 0x8000000000001, 0x0) ioctl$PERF_EVENT_IOC_ENABLE(r10, 0x8912, 0x400200) r11 = openat$vcs(0xffffffffffffff9c, &(0x7f0000000000)='/dev/vcs\x00', 0x0, 0x0) r12 = socket$nl_generic(0x10, 0x3, 0x10) poll(&(0x7f0000000040)=[{r11}, {r10}, {r12}], 0x3, 0x6) sendmsg$NBD_CMD_CONNECT(r3, &(0x7f0000003600)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x80}, 0xc, &(0x7f00000035c0)={&(0x7f0000003540)={0x54, r8, 0x300, 0x70bd2b, 0x25dfdbfe, {}, [@NBD_ATTR_SOCKETS={0x2c, 0x7, [{0x8, 0x1, r9}, {0x8, 0x1, r11}, {0x8, 0x1, r0}, {0x8}, {0x8, 0x1, r0}]}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}]}, 0x54}, 0x1, 0x0, 0x0, 0x80000c0}, 0x4000000) 10:46:45 executing program 1: r0 = perf_event_open(&(0x7f0000940000)={0x2, 0x70, 0xfffffffffffffffd, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}}, 0x0, 0x0, 0xffffffffffffffff, 0x0) mmap(&(0x7f00004da000/0x1000)=nil, 0x1000, 0x0, 0x4000012, r0, 0x0) mincore(&(0x7f00003fa000/0x200000)=nil, 0x20013f, &(0x7f0000000000)=""/222) 10:46:45 executing program 5: r0 = socket$kcm(0x10, 0x2, 0x10) r1 = openat$cgroup_ro(0xffffffffffffffff, &(0x7f0000001900)='memory.stat\x00', 0x0, 0x0) bind$netlink(r1, &(0x7f0000001940)={0x10, 0x0, 0x25dfdbff, 0x1004800}, 0xc) sendmsg$kcm(r0, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000040)=[{&(0x7f0000000000)="1400000013000507ed008064d20010002e000080", 0x14}], 0x1}, 0x0) recvmsg$can_raw(r0, &(0x7f00000018c0)={&(0x7f0000000080)=@x25={0x9, @remote}, 0x80, &(0x7f0000001800)=[{&(0x7f0000000100)=""/201, 0xc9}, {&(0x7f00000002c0)=""/197, 0xc5}, {&(0x7f00000003c0)=""/245, 0xf5}, {&(0x7f00000004c0)=""/134, 0x86}, {&(0x7f0000000200)=""/13, 0xd}, {&(0x7f0000000580)=""/209, 0xd1}, {&(0x7f0000000680)=""/4096, 0x1000}, {&(0x7f0000000240)=""/26, 0x1a}, {&(0x7f0000001680)=""/237, 0xed}, {&(0x7f0000001780)=""/121, 0x79}], 0xa}, 0x10040) ioctl$sock_SIOCBRDELBR(r0, 0x89a1, &(0x7f0000001980)='yam0\x00') 10:46:45 executing program 4: r0 = socket$kcm(0x2b, 0x8000000000001, 0x0) ioctl$PERF_EVENT_IOC_ENABLE(r0, 0x8912, 0x400200) r1 = socket$inet6(0xa, 0x3, 0x6) setsockopt$inet6_IPV6_FLOWLABEL_MGR(r1, 0x29, 0x20, &(0x7f0000000300)={@mcast2, 0x10000, 0x0, 0x102, 0x8000003}, 0x20) 10:46:46 executing program 5: socket$kcm(0x10, 0x2, 0x10) pipe2(&(0x7f0000001340)={0xffffffffffffffff, 0xffffffffffffffff}, 0x80800) ioctl$PPPIOCGL2TPSTATS(r0, 0x80487436, &(0x7f0000001380)="09262b3c55d55cb65777a8fc3655b602c856adf7ff5fc84707aea774cc1d24414b544b71a9481a37ade2ce8514e7896d65a4299441d6a2bc20973790bf4651fffcd39c16b0d98ae0c9cd46bee541bcab3064d8b35d97e6331da0ba05abd930a379d47353307dfdcaad8824d8adc2de250a75971fd38ba3a425a6d485fc1afad1b5faa33fee6f3875af8653221dd080cadf83c12001fe1faad453ca") ioctl$sock_bt_cmtp_CMTPCONNADD(r1, 0x400443c8, &(0x7f0000000000)={r1, 0x9}) 10:46:46 executing program 3: mknod(&(0x7f0000000040)='./bus\x00', 0x2000000000001003, 0x0) r0 = open(&(0x7f0000000100)='./bus\x00', 0x20000000000b04, 0x0) r1 = epoll_create(0x7) epoll_ctl$EPOLL_CTL_ADD(r1, 0x1, r0, &(0x7f00000001c0)) r2 = socket$kcm(0x2b, 0x8000000000001, 0x0) ioctl$PERF_EVENT_IOC_ENABLE(r2, 0x8912, 0x400200) r3 = openat$vcs(0xffffffffffffff9c, &(0x7f0000000000)='/dev/vcs\x00', 0x0, 0x0) r4 = socket$nl_generic(0x10, 0x3, 0x10) poll(&(0x7f0000000040)=[{r3}, {r2}, {r4}], 0x3, 0x6) r5 = socket(0x2000000000000021, 0x2, 0x10000000000002) connect$rxrpc(r5, &(0x7f0000000140)=@in4={0x21, 0x0, 0x2, 0x10, {0x2, 0x0, @rand_addr=0xdd}}, 0x24) sendmmsg(0xffffffffffffffff, &(0x7f0000005c00)=[{{0x0, 0xfffffffffffffd95, 0x0, 0x0, &(0x7f0000000000)=ANY=[@ANYBLOB="18000800000000001001000001000000ec00000000000000"], 0x18}}], 0x1, 0x0) r6 = socket$inet6(0xa, 0x3, 0x6) mmap(&(0x7f0000ffd000/0x2000)=nil, 0x2000, 0x8, 0x810, r6, 0x0) setsockopt$inet6_IPV6_FLOWLABEL_MGR(r6, 0x29, 0x20, &(0x7f0000000080)={@loopback, 0x800, 0x0, 0x100000003, 0x1, 0x0, 0x0, 0x400000000}, 0x20) setsockopt$inet6_IPV6_FLOWLABEL_MGR(r6, 0x29, 0x20, &(0x7f0000000300)={@mcast2, 0x10000, 0x0, 0x102, 0x8000003}, 0x20) setsockopt$inet6_IPV6_FLOWLABEL_MGR(r6, 0x29, 0x20, &(0x7f0000000040)={@loopback, 0x0, 0x0, 0x1, 0x3}, 0x20) connect$inet6(r6, &(0x7f0000000500)={0xa, 0x0, 0x40f7, @mcast2, 0x7ff}, 0x9) r7 = syz_open_procfs(0x0, &(0x7f0000000600)='net/ip6_flowlabel\x00n\xc01\x14\x894X\xed\xc1\xc9\xd8\xdcK\r\x8d\xae\x98&@\xd0\xe6\xbbQ\xd7\xffYn\x1c\x92\xde\x0e\xaa1\x91\x98\xe9\x1f\nMCi|+\xcdw\xf0\x176Z\xf1`\xac\xf3;\xd6d2\xeb\xe5\f\x0e\x8b\xda\xf7\xfc9\xfe\xff4\xef\'\xa19q\x93\"\x7fG3\xc1E\xe6e6\xc6\xc2u\x11% \xe7+0\x97\x84;\\\xda\xc4\x80\xc3\xb18N\xbfY%\x05\xf8\x85\x89\xfc\xd2\xd7') sendfile(r6, r7, &(0x7f0000000240)=0x202, 0x4000000000dc) r8 = syz_genetlink_get_family_id$nbd(&(0x7f0000000140)='nbd\x00') ioctl$KVM_S390_UCAS_UNMAP(r7, 0x4018ae51, &(0x7f00000000c0)={0x8000, 0x7ff, 0x2}) sendmsg$NBD_CMD_RECONFIGURE(r7, &(0x7f0000000200)={&(0x7f0000000100)={0x10, 0x0, 0x0, 0x80}, 0xc, &(0x7f00000001c0)={&(0x7f0000000180)={0x1ce, r8, 0xc05, 0x70bd29, 0x25dfdbff}, 0x14}, 0x1, 0x0, 0x0, 0x4}, 0x84) sendmsg$NBD_CMD_STATUS(r5, &(0x7f00000002c0)={&(0x7f0000000180)={0x10, 0x0, 0x0, 0x1000000}, 0xc, &(0x7f0000000280)={&(0x7f00000001c0)={0x28, r8, 0x10, 0x70bd25, 0x25dfdbfb, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x5}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x28}, 0x1, 0x0, 0x0, 0x8b29ba74f3c49941}, 0x4044) r9 = openat$audio(0xffffffffffffff9c, &(0x7f0000003500)='/dev/audio\x00', 0x200000, 0x0) r10 = socket$kcm(0x2b, 0x8000000000001, 0x0) ioctl$PERF_EVENT_IOC_ENABLE(r10, 0x8912, 0x400200) r11 = openat$vcs(0xffffffffffffff9c, &(0x7f0000000000)='/dev/vcs\x00', 0x0, 0x0) r12 = socket$nl_generic(0x10, 0x3, 0x10) poll(&(0x7f0000000040)=[{r11}, {r10}, {r12}], 0x3, 0x6) sendmsg$NBD_CMD_CONNECT(r3, &(0x7f0000003600)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x80}, 0xc, &(0x7f00000035c0)={&(0x7f0000003540)={0x54, r8, 0x300, 0x70bd2b, 0x25dfdbfe, {}, [@NBD_ATTR_SOCKETS={0x2c, 0x7, [{0x8, 0x1, r9}, {0x8, 0x1, r11}, {0x8, 0x1, r0}, {0x8}, {0x8, 0x1, r0}]}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}]}, 0x54}, 0x1, 0x0, 0x0, 0x80000c0}, 0x4000000) 10:46:46 executing program 1: r0 = perf_event_open(&(0x7f0000940000)={0x2, 0x70, 0xfffffffffffffffd, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}}, 0x0, 0x0, 0xffffffffffffffff, 0x0) mmap(&(0x7f00004da000/0x1000)=nil, 0x1000, 0x0, 0x4000012, r0, 0x0) mincore(&(0x7f00003fa000/0x200000)=nil, 0x200140, &(0x7f0000000000)=""/222) 10:46:46 executing program 5: r0 = socket$kcm(0x2b, 0x0, 0x0) ioctl$PERF_EVENT_IOC_ENABLE(r0, 0x8912, 0x400200) r1 = openat$vcs(0xffffffffffffff9c, &(0x7f0000000000)='/dev/vcs\x00', 0x0, 0x0) socket$nl_generic(0x10, 0x3, 0x10) poll(&(0x7f0000000040), 0x0, 0x6) setsockopt$bt_rfcomm_RFCOMM_LM(r1, 0x12, 0x3, &(0x7f0000000200)=0x1, 0x4) r2 = socket$kcm(0x10, 0x4, 0x10) sendmsg$kcm(r2, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000040)=[{&(0x7f0000000300)="1400000013000507ed008064d20010002e000080", 0x14}], 0x1}, 0x0) r3 = openat$vsock(0xffffffffffffff9c, &(0x7f0000000000)='/dev/vsock\x00', 0xa08042, 0x0) ioctl$VHOST_SET_VRING_ADDR(r3, 0x4028af11, &(0x7f00000001c0)={0x1, 0x0, &(0x7f0000000080)=""/19, &(0x7f00000000c0)=""/199, &(0x7f0000000340)=""/211, 0x23006}) 10:46:46 executing program 4: r0 = socket$kcm(0x2b, 0x8000000000001, 0x0) ioctl$PERF_EVENT_IOC_ENABLE(r0, 0x8912, 0x400200) r1 = socket$inet6(0xa, 0x3, 0x6) setsockopt$inet6_IPV6_FLOWLABEL_MGR(r1, 0x29, 0x20, &(0x7f0000000300)={@mcast2={0xff, 0x2, [0x2]}, 0x10000, 0x0, 0x102, 0x8000003}, 0x20) 10:46:46 executing program 5: r0 = syz_open_dev$dmmidi(&(0x7f0000000000)='/dev/dmmidi#\x00', 0x10000, 0x20000) r1 = socket$kcm(0x2b, 0x8000000000001, 0x0) ioctl$PERF_EVENT_IOC_ENABLE(r1, 0x8912, 0x400200) r2 = openat$vcs(0xffffffffffffff9c, &(0x7f0000000000)='/dev/vcs\x00', 0x0, 0x0) r3 = socket$nl_generic(0x10, 0x3, 0x10) poll(&(0x7f0000000040)=[{r2}, {r1}, {r3}], 0x3, 0x6) r4 = socket$inet6_dccp(0xa, 0x6, 0x0) getsockopt$inet6_int(r4, 0x29, 0x3c, 0x0, &(0x7f00000015c0)) fcntl$getflags(r4, 0x9) ioctl$SNDRV_TIMER_IOCTL_START(r2, 0x54a0) ioctl$DRM_IOCTL_MODE_GETCRTC(r0, 0xc06864a1, &(0x7f0000000080)={&(0x7f0000000040)=[0x4, 0x8, 0x80, 0x0, 0x9, 0x3, 0x9, 0x5], 0x8, 0x4, 0x25200000, 0x2, 0xfccc, 0x1000, {0x0, 0x3ff, 0x40, 0x7f, 0x70, 0x6, 0x401, 0xfff8, 0x7, 0x101, 0x2, 0xfffd, 0x42, 0x100, "27b4953d1f8c1dbfe9ffcabc8bcf753079e5160b447dc835c411f0f3431c1522"}}) r5 = socket$kcm(0x10, 0x2, 0x10) sendmsg$kcm(r5, &(0x7f0000000280)={0x0, 0x221, &(0x7f0000000040), 0x100000000000006a}, 0x0) 10:46:46 executing program 3: mknod(&(0x7f0000000040)='./bus\x00', 0x2000000000001003, 0x0) r0 = open(&(0x7f0000000100)='./bus\x00', 0x20000000000b04, 0x0) r1 = epoll_create(0x7) epoll_ctl$EPOLL_CTL_ADD(r1, 0x1, r0, &(0x7f00000001c0)) r2 = socket$kcm(0x2b, 0x8000000000001, 0x0) ioctl$PERF_EVENT_IOC_ENABLE(r2, 0x8912, 0x400200) r3 = openat$vcs(0xffffffffffffff9c, &(0x7f0000000000)='/dev/vcs\x00', 0x0, 0x0) r4 = socket$nl_generic(0x10, 0x3, 0x10) poll(&(0x7f0000000040)=[{r3}, {r2}, {r4}], 0x3, 0x6) r5 = socket(0x2000000000000021, 0x2, 0x10000000000002) connect$rxrpc(r5, &(0x7f0000000140)=@in4={0x21, 0x0, 0x2, 0x10, {0x2, 0x0, @rand_addr=0xdd}}, 0x24) sendmmsg(r5, 0x0, 0x0, 0x0) r6 = socket$inet6(0xa, 0x3, 0x6) mmap(&(0x7f0000ffd000/0x2000)=nil, 0x2000, 0x8, 0x810, r6, 0x0) setsockopt$inet6_IPV6_FLOWLABEL_MGR(r6, 0x29, 0x20, &(0x7f0000000080)={@loopback, 0x800, 0x0, 0x100000003, 0x1, 0x0, 0x0, 0x400000000}, 0x20) setsockopt$inet6_IPV6_FLOWLABEL_MGR(r6, 0x29, 0x20, &(0x7f0000000300)={@mcast2, 0x10000, 0x0, 0x102, 0x8000003}, 0x20) setsockopt$inet6_IPV6_FLOWLABEL_MGR(r6, 0x29, 0x20, &(0x7f0000000040)={@loopback, 0x0, 0x0, 0x1, 0x3}, 0x20) connect$inet6(r6, &(0x7f0000000500)={0xa, 0x0, 0x40f7, @mcast2, 0x7ff}, 0x9) r7 = syz_open_procfs(0x0, &(0x7f0000000600)='net/ip6_flowlabel\x00n\xc01\x14\x894X\xed\xc1\xc9\xd8\xdcK\r\x8d\xae\x98&@\xd0\xe6\xbbQ\xd7\xffYn\x1c\x92\xde\x0e\xaa1\x91\x98\xe9\x1f\nMCi|+\xcdw\xf0\x176Z\xf1`\xac\xf3;\xd6d2\xeb\xe5\f\x0e\x8b\xda\xf7\xfc9\xfe\xff4\xef\'\xa19q\x93\"\x7fG3\xc1E\xe6e6\xc6\xc2u\x11% \xe7+0\x97\x84;\\\xda\xc4\x80\xc3\xb18N\xbfY%\x05\xf8\x85\x89\xfc\xd2\xd7') sendfile(r6, r7, &(0x7f0000000240)=0x202, 0x4000000000dc) r8 = syz_genetlink_get_family_id$nbd(&(0x7f0000000140)='nbd\x00') ioctl$KVM_S390_UCAS_UNMAP(r7, 0x4018ae51, &(0x7f00000000c0)={0x8000, 0x7ff, 0x2}) sendmsg$NBD_CMD_RECONFIGURE(r7, &(0x7f0000000200)={&(0x7f0000000100)={0x10, 0x0, 0x0, 0x80}, 0xc, &(0x7f00000001c0)={&(0x7f0000000180)={0x1ce, r8, 0xc05, 0x70bd29, 0x25dfdbff}, 0x14}, 0x1, 0x0, 0x0, 0x4}, 0x84) sendmsg$NBD_CMD_STATUS(r5, &(0x7f00000002c0)={&(0x7f0000000180)={0x10, 0x0, 0x0, 0x1000000}, 0xc, &(0x7f0000000280)={&(0x7f00000001c0)={0x28, r8, 0x10, 0x70bd25, 0x25dfdbfb, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x5}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x28}, 0x1, 0x0, 0x0, 0x8b29ba74f3c49941}, 0x4044) r9 = openat$audio(0xffffffffffffff9c, &(0x7f0000003500)='/dev/audio\x00', 0x200000, 0x0) r10 = socket$kcm(0x2b, 0x8000000000001, 0x0) ioctl$PERF_EVENT_IOC_ENABLE(r10, 0x8912, 0x400200) r11 = openat$vcs(0xffffffffffffff9c, &(0x7f0000000000)='/dev/vcs\x00', 0x0, 0x0) r12 = socket$nl_generic(0x10, 0x3, 0x10) poll(&(0x7f0000000040)=[{r11}, {r10}, {r12}], 0x3, 0x6) sendmsg$NBD_CMD_CONNECT(r3, &(0x7f0000003600)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x80}, 0xc, &(0x7f00000035c0)={&(0x7f0000003540)={0x54, r8, 0x300, 0x70bd2b, 0x25dfdbfe, {}, [@NBD_ATTR_SOCKETS={0x2c, 0x7, [{0x8, 0x1, r9}, {0x8, 0x1, r11}, {0x8, 0x1, r0}, {0x8}, {0x8, 0x1, r0}]}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}]}, 0x54}, 0x1, 0x0, 0x0, 0x80000c0}, 0x4000000) 10:46:46 executing program 1: r0 = perf_event_open(&(0x7f0000940000)={0x2, 0x70, 0xfffffffffffffffd, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}}, 0x0, 0x0, 0xffffffffffffffff, 0x0) mmap(&(0x7f00004da000/0x1000)=nil, 0x1000, 0x0, 0x4000012, r0, 0x0) mincore(&(0x7f00003fa000/0x200000)=nil, 0x200141, &(0x7f0000000000)=""/222) 10:46:46 executing program 4: r0 = socket$kcm(0x2b, 0x8000000000001, 0x0) ioctl$PERF_EVENT_IOC_ENABLE(r0, 0x8912, 0x400200) r1 = socket$inet6(0xa, 0x3, 0x6) setsockopt$inet6_IPV6_FLOWLABEL_MGR(r1, 0x29, 0x20, &(0x7f0000000300)={@mcast2={0xff, 0x2, [0x5]}, 0x10000, 0x0, 0x102, 0x8000003}, 0x20) 10:46:46 executing program 1: r0 = perf_event_open(&(0x7f0000940000)={0x2, 0x70, 0xfffffffffffffffd, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}}, 0x0, 0x0, 0xffffffffffffffff, 0x0) mmap(&(0x7f00004da000/0x1000)=nil, 0x1000, 0x0, 0x4000012, r0, 0x0) mincore(&(0x7f00003fa000/0x200000)=nil, 0x200142, &(0x7f0000000000)=""/222) 10:46:46 executing program 3: mknod(&(0x7f0000000040)='./bus\x00', 0x2000000000001003, 0x0) r0 = open(&(0x7f0000000100)='./bus\x00', 0x20000000000b04, 0x0) r1 = epoll_create(0x7) epoll_ctl$EPOLL_CTL_ADD(r1, 0x1, r0, &(0x7f00000001c0)) r2 = socket$kcm(0x2b, 0x8000000000001, 0x0) ioctl$PERF_EVENT_IOC_ENABLE(r2, 0x8912, 0x400200) r3 = openat$vcs(0xffffffffffffff9c, &(0x7f0000000000)='/dev/vcs\x00', 0x0, 0x0) r4 = socket$nl_generic(0x10, 0x3, 0x10) poll(&(0x7f0000000040)=[{r3}, {r2}, {r4}], 0x3, 0x6) r5 = socket(0x2000000000000021, 0x2, 0x10000000000002) connect$rxrpc(r5, &(0x7f0000000140)=@in4={0x21, 0x0, 0x2, 0x10, {0x2, 0x0, @rand_addr=0xdd}}, 0x24) sendmmsg(r5, 0x0, 0x0, 0x0) r6 = socket$inet6(0xa, 0x3, 0x6) mmap(&(0x7f0000ffd000/0x2000)=nil, 0x2000, 0x8, 0x810, r6, 0x0) setsockopt$inet6_IPV6_FLOWLABEL_MGR(r6, 0x29, 0x20, &(0x7f0000000080)={@loopback, 0x800, 0x0, 0x100000003, 0x1, 0x0, 0x0, 0x400000000}, 0x20) setsockopt$inet6_IPV6_FLOWLABEL_MGR(r6, 0x29, 0x20, &(0x7f0000000300)={@mcast2, 0x10000, 0x0, 0x102, 0x8000003}, 0x20) setsockopt$inet6_IPV6_FLOWLABEL_MGR(r6, 0x29, 0x20, &(0x7f0000000040)={@loopback, 0x0, 0x0, 0x1, 0x3}, 0x20) connect$inet6(r6, &(0x7f0000000500)={0xa, 0x0, 0x40f7, @mcast2, 0x7ff}, 0x9) r7 = syz_open_procfs(0x0, &(0x7f0000000600)='net/ip6_flowlabel\x00n\xc01\x14\x894X\xed\xc1\xc9\xd8\xdcK\r\x8d\xae\x98&@\xd0\xe6\xbbQ\xd7\xffYn\x1c\x92\xde\x0e\xaa1\x91\x98\xe9\x1f\nMCi|+\xcdw\xf0\x176Z\xf1`\xac\xf3;\xd6d2\xeb\xe5\f\x0e\x8b\xda\xf7\xfc9\xfe\xff4\xef\'\xa19q\x93\"\x7fG3\xc1E\xe6e6\xc6\xc2u\x11% \xe7+0\x97\x84;\\\xda\xc4\x80\xc3\xb18N\xbfY%\x05\xf8\x85\x89\xfc\xd2\xd7') sendfile(r6, r7, &(0x7f0000000240)=0x202, 0x4000000000dc) r8 = syz_genetlink_get_family_id$nbd(&(0x7f0000000140)='nbd\x00') ioctl$KVM_S390_UCAS_UNMAP(r7, 0x4018ae51, &(0x7f00000000c0)={0x8000, 0x7ff, 0x2}) sendmsg$NBD_CMD_RECONFIGURE(r7, &(0x7f0000000200)={&(0x7f0000000100)={0x10, 0x0, 0x0, 0x80}, 0xc, &(0x7f00000001c0)={&(0x7f0000000180)={0x1ce, r8, 0xc05, 0x70bd29, 0x25dfdbff}, 0x14}, 0x1, 0x0, 0x0, 0x4}, 0x84) sendmsg$NBD_CMD_STATUS(r5, &(0x7f00000002c0)={&(0x7f0000000180)={0x10, 0x0, 0x0, 0x1000000}, 0xc, &(0x7f0000000280)={&(0x7f00000001c0)={0x28, r8, 0x10, 0x70bd25, 0x25dfdbfb, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x5}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x28}, 0x1, 0x0, 0x0, 0x8b29ba74f3c49941}, 0x4044) r9 = openat$audio(0xffffffffffffff9c, &(0x7f0000003500)='/dev/audio\x00', 0x200000, 0x0) r10 = socket$kcm(0x2b, 0x8000000000001, 0x0) ioctl$PERF_EVENT_IOC_ENABLE(r10, 0x8912, 0x400200) r11 = openat$vcs(0xffffffffffffff9c, &(0x7f0000000000)='/dev/vcs\x00', 0x0, 0x0) r12 = socket$nl_generic(0x10, 0x3, 0x10) poll(&(0x7f0000000040)=[{r11}, {r10}, {r12}], 0x3, 0x6) sendmsg$NBD_CMD_CONNECT(r3, &(0x7f0000003600)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x80}, 0xc, &(0x7f00000035c0)={&(0x7f0000003540)={0x54, r8, 0x300, 0x70bd2b, 0x25dfdbfe, {}, [@NBD_ATTR_SOCKETS={0x2c, 0x7, [{0x8, 0x1, r9}, {0x8, 0x1, r11}, {0x8, 0x1, r0}, {0x8}, {0x8, 0x1, r0}]}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}]}, 0x54}, 0x1, 0x0, 0x0, 0x80000c0}, 0x4000000) 10:46:46 executing program 4: r0 = socket$kcm(0x2b, 0x8000000000001, 0x0) ioctl$PERF_EVENT_IOC_ENABLE(r0, 0x8912, 0x400200) r1 = socket$inet6(0xa, 0x3, 0x6) setsockopt$inet6_IPV6_FLOWLABEL_MGR(r1, 0x29, 0x20, &(0x7f0000000300)={@mcast2, 0x10000, 0x0, 0x102, 0x8000003}, 0x20) 10:46:47 executing program 4: r0 = socket$kcm(0x2b, 0x8000000000001, 0x0) ioctl$PERF_EVENT_IOC_ENABLE(r0, 0x8912, 0x400200) r1 = socket$inet6(0xa, 0x3, 0x6) setsockopt$inet6_IPV6_FLOWLABEL_MGR(r1, 0x29, 0x20, &(0x7f0000000300)={@mcast2={0xff, 0x2, [0x0, 0x2]}, 0x10000, 0x0, 0x102, 0x8000003}, 0x20) 10:46:47 executing program 3: mknod(&(0x7f0000000040)='./bus\x00', 0x2000000000001003, 0x0) r0 = open(&(0x7f0000000100)='./bus\x00', 0x20000000000b04, 0x0) r1 = epoll_create(0x7) epoll_ctl$EPOLL_CTL_ADD(r1, 0x1, r0, &(0x7f00000001c0)) r2 = socket$kcm(0x2b, 0x8000000000001, 0x0) ioctl$PERF_EVENT_IOC_ENABLE(r2, 0x8912, 0x400200) r3 = openat$vcs(0xffffffffffffff9c, &(0x7f0000000000)='/dev/vcs\x00', 0x0, 0x0) r4 = socket$nl_generic(0x10, 0x3, 0x10) poll(&(0x7f0000000040)=[{r3}, {r2}, {r4}], 0x3, 0x6) r5 = socket(0x2000000000000021, 0x2, 0x10000000000002) connect$rxrpc(r5, &(0x7f0000000140)=@in4={0x21, 0x0, 0x2, 0x10, {0x2, 0x0, @rand_addr=0xdd}}, 0x24) sendmmsg(r5, 0x0, 0x0, 0x0) r6 = socket$inet6(0xa, 0x3, 0x6) mmap(&(0x7f0000ffd000/0x2000)=nil, 0x2000, 0x8, 0x810, r6, 0x0) setsockopt$inet6_IPV6_FLOWLABEL_MGR(r6, 0x29, 0x20, &(0x7f0000000080)={@loopback, 0x800, 0x0, 0x100000003, 0x1, 0x0, 0x0, 0x400000000}, 0x20) setsockopt$inet6_IPV6_FLOWLABEL_MGR(r6, 0x29, 0x20, &(0x7f0000000300)={@mcast2, 0x10000, 0x0, 0x102, 0x8000003}, 0x20) setsockopt$inet6_IPV6_FLOWLABEL_MGR(r6, 0x29, 0x20, &(0x7f0000000040)={@loopback, 0x0, 0x0, 0x1, 0x3}, 0x20) connect$inet6(r6, &(0x7f0000000500)={0xa, 0x0, 0x40f7, @mcast2, 0x7ff}, 0x9) r7 = syz_open_procfs(0x0, &(0x7f0000000600)='net/ip6_flowlabel\x00n\xc01\x14\x894X\xed\xc1\xc9\xd8\xdcK\r\x8d\xae\x98&@\xd0\xe6\xbbQ\xd7\xffYn\x1c\x92\xde\x0e\xaa1\x91\x98\xe9\x1f\nMCi|+\xcdw\xf0\x176Z\xf1`\xac\xf3;\xd6d2\xeb\xe5\f\x0e\x8b\xda\xf7\xfc9\xfe\xff4\xef\'\xa19q\x93\"\x7fG3\xc1E\xe6e6\xc6\xc2u\x11% \xe7+0\x97\x84;\\\xda\xc4\x80\xc3\xb18N\xbfY%\x05\xf8\x85\x89\xfc\xd2\xd7') sendfile(r6, r7, &(0x7f0000000240)=0x202, 0x4000000000dc) r8 = syz_genetlink_get_family_id$nbd(&(0x7f0000000140)='nbd\x00') ioctl$KVM_S390_UCAS_UNMAP(r7, 0x4018ae51, &(0x7f00000000c0)={0x8000, 0x7ff, 0x2}) sendmsg$NBD_CMD_RECONFIGURE(r7, &(0x7f0000000200)={&(0x7f0000000100)={0x10, 0x0, 0x0, 0x80}, 0xc, &(0x7f00000001c0)={&(0x7f0000000180)={0x1ce, r8, 0xc05, 0x70bd29, 0x25dfdbff}, 0x14}, 0x1, 0x0, 0x0, 0x4}, 0x84) sendmsg$NBD_CMD_STATUS(r5, &(0x7f00000002c0)={&(0x7f0000000180)={0x10, 0x0, 0x0, 0x1000000}, 0xc, &(0x7f0000000280)={&(0x7f00000001c0)={0x28, r8, 0x10, 0x70bd25, 0x25dfdbfb, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x5}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x28}, 0x1, 0x0, 0x0, 0x8b29ba74f3c49941}, 0x4044) r9 = openat$audio(0xffffffffffffff9c, &(0x7f0000003500)='/dev/audio\x00', 0x200000, 0x0) r10 = socket$kcm(0x2b, 0x8000000000001, 0x0) ioctl$PERF_EVENT_IOC_ENABLE(r10, 0x8912, 0x400200) r11 = openat$vcs(0xffffffffffffff9c, &(0x7f0000000000)='/dev/vcs\x00', 0x0, 0x0) r12 = socket$nl_generic(0x10, 0x3, 0x10) poll(&(0x7f0000000040)=[{r11}, {r10}, {r12}], 0x3, 0x6) sendmsg$NBD_CMD_CONNECT(r3, &(0x7f0000003600)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x80}, 0xc, &(0x7f00000035c0)={&(0x7f0000003540)={0x54, r8, 0x300, 0x70bd2b, 0x25dfdbfe, {}, [@NBD_ATTR_SOCKETS={0x2c, 0x7, [{0x8, 0x1, r9}, {0x8, 0x1, r11}, {0x8, 0x1, r0}, {0x8}, {0x8, 0x1, r0}]}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}]}, 0x54}, 0x1, 0x0, 0x0, 0x80000c0}, 0x4000000) 10:46:47 executing program 1: r0 = perf_event_open(&(0x7f0000940000)={0x2, 0x70, 0xfffffffffffffffd, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}}, 0x0, 0x0, 0xffffffffffffffff, 0x0) mmap(&(0x7f00004da000/0x1000)=nil, 0x1000, 0x0, 0x4000012, r0, 0x0) mincore(&(0x7f00003fa000/0x200000)=nil, 0x200143, &(0x7f0000000000)=""/222) 10:46:47 executing program 4: r0 = socket$kcm(0x2b, 0x8000000000001, 0x0) ioctl$PERF_EVENT_IOC_ENABLE(r0, 0x8912, 0x400200) r1 = socket$inet6(0xa, 0x3, 0x6) setsockopt$inet6_IPV6_FLOWLABEL_MGR(r1, 0x29, 0x20, &(0x7f0000000300)={@mcast2={0xff, 0x2, [0x0, 0x5]}, 0x10000, 0x0, 0x102, 0x8000003}, 0x20) 10:46:47 executing program 3: mknod(&(0x7f0000000040)='./bus\x00', 0x2000000000001003, 0x0) r0 = open(&(0x7f0000000100)='./bus\x00', 0x20000000000b04, 0x0) r1 = epoll_create(0x7) epoll_ctl$EPOLL_CTL_ADD(r1, 0x1, r0, &(0x7f00000001c0)) r2 = socket$kcm(0x2b, 0x8000000000001, 0x0) ioctl$PERF_EVENT_IOC_ENABLE(r2, 0x8912, 0x400200) r3 = openat$vcs(0xffffffffffffff9c, &(0x7f0000000000)='/dev/vcs\x00', 0x0, 0x0) r4 = socket$nl_generic(0x10, 0x3, 0x10) poll(&(0x7f0000000040)=[{r3}, {r2}, {r4}], 0x3, 0x6) r5 = socket(0x2000000000000021, 0x2, 0x10000000000002) connect$rxrpc(r5, &(0x7f0000000140)=@in4={0x21, 0x0, 0x2, 0x10, {0x2, 0x0, @rand_addr=0xdd}}, 0x24) sendmmsg(r5, &(0x7f0000005c00), 0x0, 0x0) r6 = socket$inet6(0xa, 0x3, 0x6) mmap(&(0x7f0000ffd000/0x2000)=nil, 0x2000, 0x8, 0x810, r6, 0x0) setsockopt$inet6_IPV6_FLOWLABEL_MGR(r6, 0x29, 0x20, &(0x7f0000000080)={@loopback, 0x800, 0x0, 0x100000003, 0x1, 0x0, 0x0, 0x400000000}, 0x20) setsockopt$inet6_IPV6_FLOWLABEL_MGR(r6, 0x29, 0x20, &(0x7f0000000300)={@mcast2, 0x10000, 0x0, 0x102, 0x8000003}, 0x20) setsockopt$inet6_IPV6_FLOWLABEL_MGR(r6, 0x29, 0x20, &(0x7f0000000040)={@loopback, 0x0, 0x0, 0x1, 0x3}, 0x20) connect$inet6(r6, &(0x7f0000000500)={0xa, 0x0, 0x40f7, @mcast2, 0x7ff}, 0x9) r7 = syz_open_procfs(0x0, &(0x7f0000000600)='net/ip6_flowlabel\x00n\xc01\x14\x894X\xed\xc1\xc9\xd8\xdcK\r\x8d\xae\x98&@\xd0\xe6\xbbQ\xd7\xffYn\x1c\x92\xde\x0e\xaa1\x91\x98\xe9\x1f\nMCi|+\xcdw\xf0\x176Z\xf1`\xac\xf3;\xd6d2\xeb\xe5\f\x0e\x8b\xda\xf7\xfc9\xfe\xff4\xef\'\xa19q\x93\"\x7fG3\xc1E\xe6e6\xc6\xc2u\x11% \xe7+0\x97\x84;\\\xda\xc4\x80\xc3\xb18N\xbfY%\x05\xf8\x85\x89\xfc\xd2\xd7') sendfile(r6, r7, &(0x7f0000000240)=0x202, 0x4000000000dc) r8 = syz_genetlink_get_family_id$nbd(&(0x7f0000000140)='nbd\x00') ioctl$KVM_S390_UCAS_UNMAP(r7, 0x4018ae51, &(0x7f00000000c0)={0x8000, 0x7ff, 0x2}) sendmsg$NBD_CMD_RECONFIGURE(r7, &(0x7f0000000200)={&(0x7f0000000100)={0x10, 0x0, 0x0, 0x80}, 0xc, &(0x7f00000001c0)={&(0x7f0000000180)={0x1ce, r8, 0xc05, 0x70bd29, 0x25dfdbff}, 0x14}, 0x1, 0x0, 0x0, 0x4}, 0x84) sendmsg$NBD_CMD_STATUS(r5, &(0x7f00000002c0)={&(0x7f0000000180)={0x10, 0x0, 0x0, 0x1000000}, 0xc, &(0x7f0000000280)={&(0x7f00000001c0)={0x28, r8, 0x10, 0x70bd25, 0x25dfdbfb, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x5}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x28}, 0x1, 0x0, 0x0, 0x8b29ba74f3c49941}, 0x4044) r9 = openat$audio(0xffffffffffffff9c, &(0x7f0000003500)='/dev/audio\x00', 0x200000, 0x0) r10 = socket$kcm(0x2b, 0x8000000000001, 0x0) ioctl$PERF_EVENT_IOC_ENABLE(r10, 0x8912, 0x400200) r11 = openat$vcs(0xffffffffffffff9c, &(0x7f0000000000)='/dev/vcs\x00', 0x0, 0x0) r12 = socket$nl_generic(0x10, 0x3, 0x10) poll(&(0x7f0000000040)=[{r11}, {r10}, {r12}], 0x3, 0x6) sendmsg$NBD_CMD_CONNECT(r3, &(0x7f0000003600)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x80}, 0xc, &(0x7f00000035c0)={&(0x7f0000003540)={0x54, r8, 0x300, 0x70bd2b, 0x25dfdbfe, {}, [@NBD_ATTR_SOCKETS={0x2c, 0x7, [{0x8, 0x1, r9}, {0x8, 0x1, r11}, {0x8, 0x1, r0}, {0x8}, {0x8, 0x1, r0}]}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}]}, 0x54}, 0x1, 0x0, 0x0, 0x80000c0}, 0x4000000) 10:46:47 executing program 1: r0 = perf_event_open(&(0x7f0000940000)={0x2, 0x70, 0xfffffffffffffffd, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}}, 0x0, 0x0, 0xffffffffffffffff, 0x0) mmap(&(0x7f00004da000/0x1000)=nil, 0x1000, 0x0, 0x4000012, r0, 0x0) mincore(&(0x7f00003fa000/0x200000)=nil, 0x200144, &(0x7f0000000000)=""/222) 10:46:47 executing program 4: r0 = socket$kcm(0x2b, 0x8000000000001, 0x0) ioctl$PERF_EVENT_IOC_ENABLE(r0, 0x8912, 0x400200) r1 = socket$inet6(0xa, 0x3, 0x6) setsockopt$inet6_IPV6_FLOWLABEL_MGR(r1, 0x29, 0x20, &(0x7f0000000300)={@mcast2, 0x10000, 0x0, 0x102, 0x8000003}, 0x20) 10:46:47 executing program 3: mknod(&(0x7f0000000040)='./bus\x00', 0x2000000000001003, 0x0) r0 = open(&(0x7f0000000100)='./bus\x00', 0x20000000000b04, 0x0) r1 = epoll_create(0x7) epoll_ctl$EPOLL_CTL_ADD(r1, 0x1, r0, &(0x7f00000001c0)) r2 = socket$kcm(0x2b, 0x8000000000001, 0x0) ioctl$PERF_EVENT_IOC_ENABLE(r2, 0x8912, 0x400200) r3 = openat$vcs(0xffffffffffffff9c, &(0x7f0000000000)='/dev/vcs\x00', 0x0, 0x0) r4 = socket$nl_generic(0x10, 0x3, 0x10) poll(&(0x7f0000000040)=[{r3}, {r2}, {r4}], 0x3, 0x6) r5 = socket(0x2000000000000021, 0x2, 0x10000000000002) connect$rxrpc(r5, &(0x7f0000000140)=@in4={0x21, 0x0, 0x2, 0x10, {0x2, 0x0, @rand_addr=0xdd}}, 0x24) sendmmsg(r5, &(0x7f0000005c00), 0x0, 0x0) r6 = socket$inet6(0xa, 0x3, 0x6) mmap(&(0x7f0000ffd000/0x2000)=nil, 0x2000, 0x8, 0x810, r6, 0x0) setsockopt$inet6_IPV6_FLOWLABEL_MGR(r6, 0x29, 0x20, &(0x7f0000000080)={@loopback, 0x800, 0x0, 0x100000003, 0x1, 0x0, 0x0, 0x400000000}, 0x20) setsockopt$inet6_IPV6_FLOWLABEL_MGR(r6, 0x29, 0x20, &(0x7f0000000300)={@mcast2, 0x10000, 0x0, 0x102, 0x8000003}, 0x20) setsockopt$inet6_IPV6_FLOWLABEL_MGR(r6, 0x29, 0x20, &(0x7f0000000040)={@loopback, 0x0, 0x0, 0x1, 0x3}, 0x20) connect$inet6(r6, &(0x7f0000000500)={0xa, 0x0, 0x40f7, @mcast2, 0x7ff}, 0x9) r7 = syz_open_procfs(0x0, &(0x7f0000000600)='net/ip6_flowlabel\x00n\xc01\x14\x894X\xed\xc1\xc9\xd8\xdcK\r\x8d\xae\x98&@\xd0\xe6\xbbQ\xd7\xffYn\x1c\x92\xde\x0e\xaa1\x91\x98\xe9\x1f\nMCi|+\xcdw\xf0\x176Z\xf1`\xac\xf3;\xd6d2\xeb\xe5\f\x0e\x8b\xda\xf7\xfc9\xfe\xff4\xef\'\xa19q\x93\"\x7fG3\xc1E\xe6e6\xc6\xc2u\x11% \xe7+0\x97\x84;\\\xda\xc4\x80\xc3\xb18N\xbfY%\x05\xf8\x85\x89\xfc\xd2\xd7') sendfile(r6, r7, &(0x7f0000000240)=0x202, 0x4000000000dc) r8 = syz_genetlink_get_family_id$nbd(&(0x7f0000000140)='nbd\x00') ioctl$KVM_S390_UCAS_UNMAP(r7, 0x4018ae51, &(0x7f00000000c0)={0x8000, 0x7ff, 0x2}) sendmsg$NBD_CMD_RECONFIGURE(r7, &(0x7f0000000200)={&(0x7f0000000100)={0x10, 0x0, 0x0, 0x80}, 0xc, &(0x7f00000001c0)={&(0x7f0000000180)={0x1ce, r8, 0xc05, 0x70bd29, 0x25dfdbff}, 0x14}, 0x1, 0x0, 0x0, 0x4}, 0x84) sendmsg$NBD_CMD_STATUS(r5, &(0x7f00000002c0)={&(0x7f0000000180)={0x10, 0x0, 0x0, 0x1000000}, 0xc, &(0x7f0000000280)={&(0x7f00000001c0)={0x28, r8, 0x10, 0x70bd25, 0x25dfdbfb, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x5}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x28}, 0x1, 0x0, 0x0, 0x8b29ba74f3c49941}, 0x4044) r9 = openat$audio(0xffffffffffffff9c, &(0x7f0000003500)='/dev/audio\x00', 0x200000, 0x0) r10 = socket$kcm(0x2b, 0x8000000000001, 0x0) ioctl$PERF_EVENT_IOC_ENABLE(r10, 0x8912, 0x400200) r11 = openat$vcs(0xffffffffffffff9c, &(0x7f0000000000)='/dev/vcs\x00', 0x0, 0x0) r12 = socket$nl_generic(0x10, 0x3, 0x10) poll(&(0x7f0000000040)=[{r11}, {r10}, {r12}], 0x3, 0x6) sendmsg$NBD_CMD_CONNECT(r3, &(0x7f0000003600)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x80}, 0xc, &(0x7f00000035c0)={&(0x7f0000003540)={0x54, r8, 0x300, 0x70bd2b, 0x25dfdbfe, {}, [@NBD_ATTR_SOCKETS={0x2c, 0x7, [{0x8, 0x1, r9}, {0x8, 0x1, r11}, {0x8, 0x1, r0}, {0x8}, {0x8, 0x1, r0}]}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}]}, 0x54}, 0x1, 0x0, 0x0, 0x80000c0}, 0x4000000) 10:46:47 executing program 4: r0 = socket$kcm(0x2b, 0x8000000000001, 0x0) ioctl$PERF_EVENT_IOC_ENABLE(r0, 0x8912, 0x400200) r1 = socket$inet6(0xa, 0x3, 0x6) setsockopt$inet6_IPV6_FLOWLABEL_MGR(r1, 0x29, 0x20, &(0x7f0000000300)={@mcast2={0xff, 0x2, [0x0, 0x0, 0x2]}, 0x10000, 0x0, 0x102, 0x8000003}, 0x20) 10:46:47 executing program 1: r0 = perf_event_open(&(0x7f0000940000)={0x2, 0x70, 0xfffffffffffffffd, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}}, 0x0, 0x0, 0xffffffffffffffff, 0x0) mmap(&(0x7f00004da000/0x1000)=nil, 0x1000, 0x0, 0x4000012, r0, 0x0) mincore(&(0x7f00003fa000/0x200000)=nil, 0x200145, &(0x7f0000000000)=""/222) 10:46:47 executing program 4: r0 = socket$kcm(0x2b, 0x8000000000001, 0x0) ioctl$PERF_EVENT_IOC_ENABLE(r0, 0x8912, 0x400200) r1 = socket$inet6(0xa, 0x3, 0x6) setsockopt$inet6_IPV6_FLOWLABEL_MGR(r1, 0x29, 0x20, &(0x7f0000000300)={@mcast2={0xff, 0x2, [0x0, 0x0, 0x5]}, 0x10000, 0x0, 0x102, 0x8000003}, 0x20) 10:46:48 executing program 3: mknod(&(0x7f0000000040)='./bus\x00', 0x2000000000001003, 0x0) r0 = open(&(0x7f0000000100)='./bus\x00', 0x20000000000b04, 0x0) r1 = epoll_create(0x7) epoll_ctl$EPOLL_CTL_ADD(r1, 0x1, r0, &(0x7f00000001c0)) r2 = socket$kcm(0x2b, 0x8000000000001, 0x0) ioctl$PERF_EVENT_IOC_ENABLE(r2, 0x8912, 0x400200) r3 = openat$vcs(0xffffffffffffff9c, &(0x7f0000000000)='/dev/vcs\x00', 0x0, 0x0) r4 = socket$nl_generic(0x10, 0x3, 0x10) poll(&(0x7f0000000040)=[{r3}, {r2}, {r4}], 0x3, 0x6) r5 = socket(0x2000000000000021, 0x2, 0x10000000000002) connect$rxrpc(r5, &(0x7f0000000140)=@in4={0x21, 0x0, 0x2, 0x10, {0x2, 0x0, @rand_addr=0xdd}}, 0x24) sendmmsg(r5, &(0x7f0000005c00), 0x0, 0x0) r6 = socket$inet6(0xa, 0x3, 0x6) mmap(&(0x7f0000ffd000/0x2000)=nil, 0x2000, 0x8, 0x810, r6, 0x0) setsockopt$inet6_IPV6_FLOWLABEL_MGR(r6, 0x29, 0x20, &(0x7f0000000080)={@loopback, 0x800, 0x0, 0x100000003, 0x1, 0x0, 0x0, 0x400000000}, 0x20) setsockopt$inet6_IPV6_FLOWLABEL_MGR(r6, 0x29, 0x20, &(0x7f0000000300)={@mcast2, 0x10000, 0x0, 0x102, 0x8000003}, 0x20) setsockopt$inet6_IPV6_FLOWLABEL_MGR(r6, 0x29, 0x20, &(0x7f0000000040)={@loopback, 0x0, 0x0, 0x1, 0x3}, 0x20) connect$inet6(r6, &(0x7f0000000500)={0xa, 0x0, 0x40f7, @mcast2, 0x7ff}, 0x9) r7 = syz_open_procfs(0x0, &(0x7f0000000600)='net/ip6_flowlabel\x00n\xc01\x14\x894X\xed\xc1\xc9\xd8\xdcK\r\x8d\xae\x98&@\xd0\xe6\xbbQ\xd7\xffYn\x1c\x92\xde\x0e\xaa1\x91\x98\xe9\x1f\nMCi|+\xcdw\xf0\x176Z\xf1`\xac\xf3;\xd6d2\xeb\xe5\f\x0e\x8b\xda\xf7\xfc9\xfe\xff4\xef\'\xa19q\x93\"\x7fG3\xc1E\xe6e6\xc6\xc2u\x11% \xe7+0\x97\x84;\\\xda\xc4\x80\xc3\xb18N\xbfY%\x05\xf8\x85\x89\xfc\xd2\xd7') sendfile(r6, r7, &(0x7f0000000240)=0x202, 0x4000000000dc) r8 = syz_genetlink_get_family_id$nbd(&(0x7f0000000140)='nbd\x00') ioctl$KVM_S390_UCAS_UNMAP(r7, 0x4018ae51, &(0x7f00000000c0)={0x8000, 0x7ff, 0x2}) sendmsg$NBD_CMD_RECONFIGURE(r7, &(0x7f0000000200)={&(0x7f0000000100)={0x10, 0x0, 0x0, 0x80}, 0xc, &(0x7f00000001c0)={&(0x7f0000000180)={0x1ce, r8, 0xc05, 0x70bd29, 0x25dfdbff}, 0x14}, 0x1, 0x0, 0x0, 0x4}, 0x84) sendmsg$NBD_CMD_STATUS(r5, &(0x7f00000002c0)={&(0x7f0000000180)={0x10, 0x0, 0x0, 0x1000000}, 0xc, &(0x7f0000000280)={&(0x7f00000001c0)={0x28, r8, 0x10, 0x70bd25, 0x25dfdbfb, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x5}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x28}, 0x1, 0x0, 0x0, 0x8b29ba74f3c49941}, 0x4044) r9 = openat$audio(0xffffffffffffff9c, &(0x7f0000003500)='/dev/audio\x00', 0x200000, 0x0) r10 = socket$kcm(0x2b, 0x8000000000001, 0x0) ioctl$PERF_EVENT_IOC_ENABLE(r10, 0x8912, 0x400200) r11 = openat$vcs(0xffffffffffffff9c, &(0x7f0000000000)='/dev/vcs\x00', 0x0, 0x0) r12 = socket$nl_generic(0x10, 0x3, 0x10) poll(&(0x7f0000000040)=[{r11}, {r10}, {r12}], 0x3, 0x6) sendmsg$NBD_CMD_CONNECT(r3, &(0x7f0000003600)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x80}, 0xc, &(0x7f00000035c0)={&(0x7f0000003540)={0x54, r8, 0x300, 0x70bd2b, 0x25dfdbfe, {}, [@NBD_ATTR_SOCKETS={0x2c, 0x7, [{0x8, 0x1, r9}, {0x8, 0x1, r11}, {0x8, 0x1, r0}, {0x8}, {0x8, 0x1, r0}]}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}]}, 0x54}, 0x1, 0x0, 0x0, 0x80000c0}, 0x4000000) 10:46:48 executing program 1: r0 = perf_event_open(&(0x7f0000940000)={0x2, 0x70, 0xfffffffffffffffd, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}}, 0x0, 0x0, 0xffffffffffffffff, 0x0) mmap(&(0x7f00004da000/0x1000)=nil, 0x1000, 0x0, 0x4000012, r0, 0x0) mincore(&(0x7f00003fa000/0x200000)=nil, 0x200146, &(0x7f0000000000)=""/222) 10:46:48 executing program 4: r0 = socket$kcm(0x2b, 0x8000000000001, 0x0) ioctl$PERF_EVENT_IOC_ENABLE(r0, 0x8912, 0x400200) r1 = socket$inet6(0xa, 0x3, 0x6) setsockopt$inet6_IPV6_FLOWLABEL_MGR(r1, 0x29, 0x20, &(0x7f0000000300)={@mcast2, 0x10000, 0x0, 0x102, 0x8000003}, 0x20) 10:46:48 executing program 1: r0 = perf_event_open(&(0x7f0000940000)={0x2, 0x70, 0xfffffffffffffffd, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}}, 0x0, 0x0, 0xffffffffffffffff, 0x0) mmap(&(0x7f00004da000/0x1000)=nil, 0x1000, 0x0, 0x4000012, r0, 0x0) mincore(&(0x7f00003fa000/0x200000)=nil, 0x200147, &(0x7f0000000000)=""/222) 10:46:48 executing program 3: mknod(&(0x7f0000000040)='./bus\x00', 0x2000000000001003, 0x0) r0 = open(&(0x7f0000000100)='./bus\x00', 0x20000000000b04, 0x0) r1 = epoll_create(0x7) epoll_ctl$EPOLL_CTL_ADD(r1, 0x1, r0, &(0x7f00000001c0)) r2 = socket$kcm(0x2b, 0x8000000000001, 0x0) ioctl$PERF_EVENT_IOC_ENABLE(r2, 0x8912, 0x400200) r3 = openat$vcs(0xffffffffffffff9c, &(0x7f0000000000)='/dev/vcs\x00', 0x0, 0x0) r4 = socket$nl_generic(0x10, 0x3, 0x10) poll(&(0x7f0000000040)=[{r3}, {r2}, {r4}], 0x3, 0x6) r5 = socket(0x2000000000000021, 0x2, 0x10000000000002) connect$rxrpc(r5, &(0x7f0000000140)=@in4={0x21, 0x0, 0x2, 0x10, {0x2, 0x0, @rand_addr=0xdd}}, 0x24) sendmmsg(r5, &(0x7f0000005c00)=[{{0x0, 0x0, 0x0}}], 0x1, 0x0) r6 = socket$inet6(0xa, 0x3, 0x6) mmap(&(0x7f0000ffd000/0x2000)=nil, 0x2000, 0x8, 0x810, r6, 0x0) setsockopt$inet6_IPV6_FLOWLABEL_MGR(r6, 0x29, 0x20, &(0x7f0000000080)={@loopback, 0x800, 0x0, 0x100000003, 0x1, 0x0, 0x0, 0x400000000}, 0x20) setsockopt$inet6_IPV6_FLOWLABEL_MGR(r6, 0x29, 0x20, &(0x7f0000000300)={@mcast2, 0x10000, 0x0, 0x102, 0x8000003}, 0x20) setsockopt$inet6_IPV6_FLOWLABEL_MGR(r6, 0x29, 0x20, &(0x7f0000000040)={@loopback, 0x0, 0x0, 0x1, 0x3}, 0x20) connect$inet6(r6, &(0x7f0000000500)={0xa, 0x0, 0x40f7, @mcast2, 0x7ff}, 0x9) r7 = syz_open_procfs(0x0, &(0x7f0000000600)='net/ip6_flowlabel\x00n\xc01\x14\x894X\xed\xc1\xc9\xd8\xdcK\r\x8d\xae\x98&@\xd0\xe6\xbbQ\xd7\xffYn\x1c\x92\xde\x0e\xaa1\x91\x98\xe9\x1f\nMCi|+\xcdw\xf0\x176Z\xf1`\xac\xf3;\xd6d2\xeb\xe5\f\x0e\x8b\xda\xf7\xfc9\xfe\xff4\xef\'\xa19q\x93\"\x7fG3\xc1E\xe6e6\xc6\xc2u\x11% \xe7+0\x97\x84;\\\xda\xc4\x80\xc3\xb18N\xbfY%\x05\xf8\x85\x89\xfc\xd2\xd7') sendfile(r6, r7, &(0x7f0000000240)=0x202, 0x4000000000dc) r8 = syz_genetlink_get_family_id$nbd(&(0x7f0000000140)='nbd\x00') ioctl$KVM_S390_UCAS_UNMAP(r7, 0x4018ae51, &(0x7f00000000c0)={0x8000, 0x7ff, 0x2}) sendmsg$NBD_CMD_RECONFIGURE(r7, &(0x7f0000000200)={&(0x7f0000000100)={0x10, 0x0, 0x0, 0x80}, 0xc, &(0x7f00000001c0)={&(0x7f0000000180)={0x1ce, r8, 0xc05, 0x70bd29, 0x25dfdbff}, 0x14}, 0x1, 0x0, 0x0, 0x4}, 0x84) sendmsg$NBD_CMD_STATUS(r5, &(0x7f00000002c0)={&(0x7f0000000180)={0x10, 0x0, 0x0, 0x1000000}, 0xc, &(0x7f0000000280)={&(0x7f00000001c0)={0x28, r8, 0x10, 0x70bd25, 0x25dfdbfb, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x5}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x28}, 0x1, 0x0, 0x0, 0x8b29ba74f3c49941}, 0x4044) r9 = openat$audio(0xffffffffffffff9c, &(0x7f0000003500)='/dev/audio\x00', 0x200000, 0x0) r10 = socket$kcm(0x2b, 0x8000000000001, 0x0) ioctl$PERF_EVENT_IOC_ENABLE(r10, 0x8912, 0x400200) r11 = openat$vcs(0xffffffffffffff9c, &(0x7f0000000000)='/dev/vcs\x00', 0x0, 0x0) r12 = socket$nl_generic(0x10, 0x3, 0x10) poll(&(0x7f0000000040)=[{r11}, {r10}, {r12}], 0x3, 0x6) sendmsg$NBD_CMD_CONNECT(r3, &(0x7f0000003600)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x80}, 0xc, &(0x7f00000035c0)={&(0x7f0000003540)={0x54, r8, 0x300, 0x70bd2b, 0x25dfdbfe, {}, [@NBD_ATTR_SOCKETS={0x2c, 0x7, [{0x8, 0x1, r9}, {0x8, 0x1, r11}, {0x8, 0x1, r0}, {0x8}, {0x8, 0x1, r0}]}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}]}, 0x54}, 0x1, 0x0, 0x0, 0x80000c0}, 0x4000000) 10:46:48 executing program 4: r0 = socket$kcm(0x2b, 0x8000000000001, 0x0) ioctl$PERF_EVENT_IOC_ENABLE(r0, 0x8912, 0x400200) r1 = socket$inet6(0xa, 0x3, 0x6) setsockopt$inet6_IPV6_FLOWLABEL_MGR(r1, 0x29, 0x20, &(0x7f0000000300)={@mcast2={0xff, 0x2, [0x0, 0x0, 0x0, 0x2]}, 0x10000, 0x0, 0x102, 0x8000003}, 0x20) 10:46:48 executing program 1: r0 = perf_event_open(&(0x7f0000940000)={0x2, 0x70, 0xfffffffffffffffd, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}}, 0x0, 0x0, 0xffffffffffffffff, 0x0) mmap(&(0x7f00004da000/0x1000)=nil, 0x1000, 0x0, 0x4000012, r0, 0x0) mincore(&(0x7f00003fa000/0x200000)=nil, 0x200148, &(0x7f0000000000)=""/222) 10:46:48 executing program 4: r0 = socket$kcm(0x2b, 0x8000000000001, 0x0) ioctl$PERF_EVENT_IOC_ENABLE(r0, 0x8912, 0x400200) r1 = socket$inet6(0xa, 0x3, 0x6) setsockopt$inet6_IPV6_FLOWLABEL_MGR(r1, 0x29, 0x20, &(0x7f0000000300)={@mcast2={0xff, 0x2, [0x0, 0x0, 0x0, 0x5]}, 0x10000, 0x0, 0x102, 0x8000003}, 0x20) 10:46:48 executing program 3: mknod(&(0x7f0000000040)='./bus\x00', 0x2000000000001003, 0x0) r0 = open(&(0x7f0000000100)='./bus\x00', 0x20000000000b04, 0x0) r1 = epoll_create(0x7) epoll_ctl$EPOLL_CTL_ADD(r1, 0x1, r0, &(0x7f00000001c0)) r2 = socket$kcm(0x2b, 0x8000000000001, 0x0) ioctl$PERF_EVENT_IOC_ENABLE(r2, 0x8912, 0x400200) r3 = openat$vcs(0xffffffffffffff9c, &(0x7f0000000000)='/dev/vcs\x00', 0x0, 0x0) r4 = socket$nl_generic(0x10, 0x3, 0x10) poll(&(0x7f0000000040)=[{r3}, {r2}, {r4}], 0x3, 0x6) r5 = socket(0x2000000000000021, 0x2, 0x10000000000002) connect$rxrpc(r5, &(0x7f0000000140)=@in4={0x21, 0x0, 0x2, 0x10, {0x2, 0x0, @rand_addr=0xdd}}, 0x24) sendmmsg(r5, &(0x7f0000005c00)=[{{0x0, 0x0, 0x0}}], 0x1, 0x0) r6 = socket$inet6(0xa, 0x3, 0x6) mmap(&(0x7f0000ffd000/0x2000)=nil, 0x2000, 0x8, 0x810, r6, 0x0) setsockopt$inet6_IPV6_FLOWLABEL_MGR(r6, 0x29, 0x20, &(0x7f0000000080)={@loopback, 0x800, 0x0, 0x100000003, 0x1, 0x0, 0x0, 0x400000000}, 0x20) setsockopt$inet6_IPV6_FLOWLABEL_MGR(r6, 0x29, 0x20, &(0x7f0000000300)={@mcast2, 0x10000, 0x0, 0x102, 0x8000003}, 0x20) setsockopt$inet6_IPV6_FLOWLABEL_MGR(r6, 0x29, 0x20, &(0x7f0000000040)={@loopback, 0x0, 0x0, 0x1, 0x3}, 0x20) connect$inet6(r6, &(0x7f0000000500)={0xa, 0x0, 0x40f7, @mcast2, 0x7ff}, 0x9) r7 = syz_open_procfs(0x0, &(0x7f0000000600)='net/ip6_flowlabel\x00n\xc01\x14\x894X\xed\xc1\xc9\xd8\xdcK\r\x8d\xae\x98&@\xd0\xe6\xbbQ\xd7\xffYn\x1c\x92\xde\x0e\xaa1\x91\x98\xe9\x1f\nMCi|+\xcdw\xf0\x176Z\xf1`\xac\xf3;\xd6d2\xeb\xe5\f\x0e\x8b\xda\xf7\xfc9\xfe\xff4\xef\'\xa19q\x93\"\x7fG3\xc1E\xe6e6\xc6\xc2u\x11% \xe7+0\x97\x84;\\\xda\xc4\x80\xc3\xb18N\xbfY%\x05\xf8\x85\x89\xfc\xd2\xd7') sendfile(r6, r7, &(0x7f0000000240)=0x202, 0x4000000000dc) r8 = syz_genetlink_get_family_id$nbd(&(0x7f0000000140)='nbd\x00') ioctl$KVM_S390_UCAS_UNMAP(r7, 0x4018ae51, &(0x7f00000000c0)={0x8000, 0x7ff, 0x2}) sendmsg$NBD_CMD_RECONFIGURE(r7, &(0x7f0000000200)={&(0x7f0000000100)={0x10, 0x0, 0x0, 0x80}, 0xc, &(0x7f00000001c0)={&(0x7f0000000180)={0x1ce, r8, 0xc05, 0x70bd29, 0x25dfdbff}, 0x14}, 0x1, 0x0, 0x0, 0x4}, 0x84) sendmsg$NBD_CMD_STATUS(r5, &(0x7f00000002c0)={&(0x7f0000000180)={0x10, 0x0, 0x0, 0x1000000}, 0xc, &(0x7f0000000280)={&(0x7f00000001c0)={0x28, r8, 0x10, 0x70bd25, 0x25dfdbfb, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x5}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x28}, 0x1, 0x0, 0x0, 0x8b29ba74f3c49941}, 0x4044) r9 = openat$audio(0xffffffffffffff9c, &(0x7f0000003500)='/dev/audio\x00', 0x200000, 0x0) r10 = socket$kcm(0x2b, 0x8000000000001, 0x0) ioctl$PERF_EVENT_IOC_ENABLE(r10, 0x8912, 0x400200) r11 = openat$vcs(0xffffffffffffff9c, &(0x7f0000000000)='/dev/vcs\x00', 0x0, 0x0) r12 = socket$nl_generic(0x10, 0x3, 0x10) poll(&(0x7f0000000040)=[{r11}, {r10}, {r12}], 0x3, 0x6) sendmsg$NBD_CMD_CONNECT(r3, &(0x7f0000003600)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x80}, 0xc, &(0x7f00000035c0)={&(0x7f0000003540)={0x54, r8, 0x300, 0x70bd2b, 0x25dfdbfe, {}, [@NBD_ATTR_SOCKETS={0x2c, 0x7, [{0x8, 0x1, r9}, {0x8, 0x1, r11}, {0x8, 0x1, r0}, {0x8}, {0x8, 0x1, r0}]}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}]}, 0x54}, 0x1, 0x0, 0x0, 0x80000c0}, 0x4000000) [ 954.299199][ C0] net_ratelimit: 12 callbacks suppressed [ 954.299209][ C0] protocol 88fb is buggy, dev hsr_slave_0 [ 954.310698][ C0] protocol 88fb is buggy, dev hsr_slave_1 10:46:48 executing program 4: r0 = socket$kcm(0x2b, 0x8000000000001, 0x0) ioctl$PERF_EVENT_IOC_ENABLE(r0, 0x8912, 0x400200) r1 = socket$inet6(0xa, 0x3, 0x6) setsockopt$inet6_IPV6_FLOWLABEL_MGR(r1, 0x29, 0x20, &(0x7f0000000300)={@mcast2, 0x10000, 0x0, 0x102, 0x8000003}, 0x20) 10:46:49 executing program 3: mknod(&(0x7f0000000040)='./bus\x00', 0x2000000000001003, 0x0) r0 = open(&(0x7f0000000100)='./bus\x00', 0x20000000000b04, 0x0) r1 = epoll_create(0x7) epoll_ctl$EPOLL_CTL_ADD(r1, 0x1, r0, &(0x7f00000001c0)) r2 = socket$kcm(0x2b, 0x8000000000001, 0x0) ioctl$PERF_EVENT_IOC_ENABLE(r2, 0x8912, 0x400200) r3 = openat$vcs(0xffffffffffffff9c, &(0x7f0000000000)='/dev/vcs\x00', 0x0, 0x0) r4 = socket$nl_generic(0x10, 0x3, 0x10) poll(&(0x7f0000000040)=[{r3}, {r2}, {r4}], 0x3, 0x6) r5 = socket(0x2000000000000021, 0x2, 0x10000000000002) connect$rxrpc(r5, &(0x7f0000000140)=@in4={0x21, 0x0, 0x2, 0x10, {0x2, 0x0, @rand_addr=0xdd}}, 0x24) sendmmsg(r5, &(0x7f0000005c00)=[{{0x0, 0x0, 0x0}}], 0x1, 0x0) r6 = socket$inet6(0xa, 0x3, 0x6) mmap(&(0x7f0000ffd000/0x2000)=nil, 0x2000, 0x8, 0x810, r6, 0x0) setsockopt$inet6_IPV6_FLOWLABEL_MGR(r6, 0x29, 0x20, &(0x7f0000000080)={@loopback, 0x800, 0x0, 0x100000003, 0x1, 0x0, 0x0, 0x400000000}, 0x20) setsockopt$inet6_IPV6_FLOWLABEL_MGR(r6, 0x29, 0x20, &(0x7f0000000300)={@mcast2, 0x10000, 0x0, 0x102, 0x8000003}, 0x20) setsockopt$inet6_IPV6_FLOWLABEL_MGR(r6, 0x29, 0x20, &(0x7f0000000040)={@loopback, 0x0, 0x0, 0x1, 0x3}, 0x20) connect$inet6(r6, &(0x7f0000000500)={0xa, 0x0, 0x40f7, @mcast2, 0x7ff}, 0x9) r7 = syz_open_procfs(0x0, &(0x7f0000000600)='net/ip6_flowlabel\x00n\xc01\x14\x894X\xed\xc1\xc9\xd8\xdcK\r\x8d\xae\x98&@\xd0\xe6\xbbQ\xd7\xffYn\x1c\x92\xde\x0e\xaa1\x91\x98\xe9\x1f\nMCi|+\xcdw\xf0\x176Z\xf1`\xac\xf3;\xd6d2\xeb\xe5\f\x0e\x8b\xda\xf7\xfc9\xfe\xff4\xef\'\xa19q\x93\"\x7fG3\xc1E\xe6e6\xc6\xc2u\x11% \xe7+0\x97\x84;\\\xda\xc4\x80\xc3\xb18N\xbfY%\x05\xf8\x85\x89\xfc\xd2\xd7') sendfile(r6, r7, &(0x7f0000000240)=0x202, 0x4000000000dc) r8 = syz_genetlink_get_family_id$nbd(&(0x7f0000000140)='nbd\x00') ioctl$KVM_S390_UCAS_UNMAP(r7, 0x4018ae51, &(0x7f00000000c0)={0x8000, 0x7ff, 0x2}) sendmsg$NBD_CMD_RECONFIGURE(r7, &(0x7f0000000200)={&(0x7f0000000100)={0x10, 0x0, 0x0, 0x80}, 0xc, &(0x7f00000001c0)={&(0x7f0000000180)={0x1ce, r8, 0xc05, 0x70bd29, 0x25dfdbff}, 0x14}, 0x1, 0x0, 0x0, 0x4}, 0x84) sendmsg$NBD_CMD_STATUS(r5, &(0x7f00000002c0)={&(0x7f0000000180)={0x10, 0x0, 0x0, 0x1000000}, 0xc, &(0x7f0000000280)={&(0x7f00000001c0)={0x28, r8, 0x10, 0x70bd25, 0x25dfdbfb, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x5}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x28}, 0x1, 0x0, 0x0, 0x8b29ba74f3c49941}, 0x4044) r9 = openat$audio(0xffffffffffffff9c, &(0x7f0000003500)='/dev/audio\x00', 0x200000, 0x0) r10 = socket$kcm(0x2b, 0x8000000000001, 0x0) ioctl$PERF_EVENT_IOC_ENABLE(r10, 0x8912, 0x400200) r11 = openat$vcs(0xffffffffffffff9c, &(0x7f0000000000)='/dev/vcs\x00', 0x0, 0x0) r12 = socket$nl_generic(0x10, 0x3, 0x10) poll(&(0x7f0000000040)=[{r11}, {r10}, {r12}], 0x3, 0x6) sendmsg$NBD_CMD_CONNECT(r3, &(0x7f0000003600)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x80}, 0xc, &(0x7f00000035c0)={&(0x7f0000003540)={0x54, r8, 0x300, 0x70bd2b, 0x25dfdbfe, {}, [@NBD_ATTR_SOCKETS={0x2c, 0x7, [{0x8, 0x1, r9}, {0x8, 0x1, r11}, {0x8, 0x1, r0}, {0x8}, {0x8, 0x1, r0}]}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}]}, 0x54}, 0x1, 0x0, 0x0, 0x80000c0}, 0x4000000) 10:46:49 executing program 1: r0 = perf_event_open(&(0x7f0000940000)={0x2, 0x70, 0xfffffffffffffffd, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}}, 0x0, 0x0, 0xffffffffffffffff, 0x0) mmap(&(0x7f00004da000/0x1000)=nil, 0x1000, 0x0, 0x4000012, r0, 0x0) mincore(&(0x7f00003fa000/0x200000)=nil, 0x200149, &(0x7f0000000000)=""/222) 10:46:49 executing program 4: r0 = socket$kcm(0x2b, 0x8000000000001, 0x0) ioctl$PERF_EVENT_IOC_ENABLE(r0, 0x8912, 0x400200) r1 = socket$inet6(0xa, 0x3, 0x6) setsockopt$inet6_IPV6_FLOWLABEL_MGR(r1, 0x29, 0x20, &(0x7f0000000300)={@mcast2={0xff, 0x2, [0x0, 0x0, 0x0, 0x0, 0x2]}, 0x10000, 0x0, 0x102, 0x8000003}, 0x20) [ 954.779176][ C1] protocol 88fb is buggy, dev hsr_slave_0 [ 954.784972][ C1] protocol 88fb is buggy, dev hsr_slave_1 10:46:49 executing program 3: mknod(&(0x7f0000000040)='./bus\x00', 0x2000000000001003, 0x0) r0 = open(&(0x7f0000000100)='./bus\x00', 0x20000000000b04, 0x0) r1 = epoll_create(0x7) epoll_ctl$EPOLL_CTL_ADD(r1, 0x1, r0, &(0x7f00000001c0)) r2 = socket$kcm(0x2b, 0x8000000000001, 0x0) ioctl$PERF_EVENT_IOC_ENABLE(r2, 0x8912, 0x400200) r3 = openat$vcs(0xffffffffffffff9c, &(0x7f0000000000)='/dev/vcs\x00', 0x0, 0x0) r4 = socket$nl_generic(0x10, 0x3, 0x10) poll(&(0x7f0000000040)=[{r3}, {r2}, {r4}], 0x3, 0x6) r5 = socket(0x2000000000000021, 0x2, 0x10000000000002) connect$rxrpc(r5, &(0x7f0000000140)=@in4={0x21, 0x0, 0x2, 0x10, {0x2, 0x0, @rand_addr=0xdd}}, 0x24) sendmmsg(r5, &(0x7f0000005c00)=[{{0x0, 0x0, 0x0, 0x0, &(0x7f0000000000)=ANY=[]}}], 0x1, 0x0) r6 = socket$inet6(0xa, 0x3, 0x6) mmap(&(0x7f0000ffd000/0x2000)=nil, 0x2000, 0x8, 0x810, r6, 0x0) setsockopt$inet6_IPV6_FLOWLABEL_MGR(r6, 0x29, 0x20, &(0x7f0000000080)={@loopback, 0x800, 0x0, 0x100000003, 0x1, 0x0, 0x0, 0x400000000}, 0x20) setsockopt$inet6_IPV6_FLOWLABEL_MGR(r6, 0x29, 0x20, &(0x7f0000000300)={@mcast2, 0x10000, 0x0, 0x102, 0x8000003}, 0x20) setsockopt$inet6_IPV6_FLOWLABEL_MGR(r6, 0x29, 0x20, &(0x7f0000000040)={@loopback, 0x0, 0x0, 0x1, 0x3}, 0x20) connect$inet6(r6, &(0x7f0000000500)={0xa, 0x0, 0x40f7, @mcast2, 0x7ff}, 0x9) r7 = syz_open_procfs(0x0, &(0x7f0000000600)='net/ip6_flowlabel\x00n\xc01\x14\x894X\xed\xc1\xc9\xd8\xdcK\r\x8d\xae\x98&@\xd0\xe6\xbbQ\xd7\xffYn\x1c\x92\xde\x0e\xaa1\x91\x98\xe9\x1f\nMCi|+\xcdw\xf0\x176Z\xf1`\xac\xf3;\xd6d2\xeb\xe5\f\x0e\x8b\xda\xf7\xfc9\xfe\xff4\xef\'\xa19q\x93\"\x7fG3\xc1E\xe6e6\xc6\xc2u\x11% \xe7+0\x97\x84;\\\xda\xc4\x80\xc3\xb18N\xbfY%\x05\xf8\x85\x89\xfc\xd2\xd7') sendfile(r6, r7, &(0x7f0000000240)=0x202, 0x4000000000dc) r8 = syz_genetlink_get_family_id$nbd(&(0x7f0000000140)='nbd\x00') ioctl$KVM_S390_UCAS_UNMAP(r7, 0x4018ae51, &(0x7f00000000c0)={0x8000, 0x7ff, 0x2}) sendmsg$NBD_CMD_RECONFIGURE(r7, &(0x7f0000000200)={&(0x7f0000000100)={0x10, 0x0, 0x0, 0x80}, 0xc, &(0x7f00000001c0)={&(0x7f0000000180)={0x1ce, r8, 0xc05, 0x70bd29, 0x25dfdbff}, 0x14}, 0x1, 0x0, 0x0, 0x4}, 0x84) sendmsg$NBD_CMD_STATUS(r5, &(0x7f00000002c0)={&(0x7f0000000180)={0x10, 0x0, 0x0, 0x1000000}, 0xc, &(0x7f0000000280)={&(0x7f00000001c0)={0x28, r8, 0x10, 0x70bd25, 0x25dfdbfb, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x5}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x28}, 0x1, 0x0, 0x0, 0x8b29ba74f3c49941}, 0x4044) r9 = openat$audio(0xffffffffffffff9c, &(0x7f0000003500)='/dev/audio\x00', 0x200000, 0x0) r10 = socket$kcm(0x2b, 0x8000000000001, 0x0) ioctl$PERF_EVENT_IOC_ENABLE(r10, 0x8912, 0x400200) r11 = openat$vcs(0xffffffffffffff9c, &(0x7f0000000000)='/dev/vcs\x00', 0x0, 0x0) r12 = socket$nl_generic(0x10, 0x3, 0x10) poll(&(0x7f0000000040)=[{r11}, {r10}, {r12}], 0x3, 0x6) sendmsg$NBD_CMD_CONNECT(r3, &(0x7f0000003600)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x80}, 0xc, &(0x7f00000035c0)={&(0x7f0000003540)={0x54, r8, 0x300, 0x70bd2b, 0x25dfdbfe, {}, [@NBD_ATTR_SOCKETS={0x2c, 0x7, [{0x8, 0x1, r9}, {0x8, 0x1, r11}, {0x8, 0x1, r0}, {0x8}, {0x8, 0x1, r0}]}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}]}, 0x54}, 0x1, 0x0, 0x0, 0x80000c0}, 0x4000000) 10:46:49 executing program 1: r0 = perf_event_open(&(0x7f0000940000)={0x2, 0x70, 0xfffffffffffffffd, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}}, 0x0, 0x0, 0xffffffffffffffff, 0x0) mmap(&(0x7f00004da000/0x1000)=nil, 0x1000, 0x0, 0x4000012, r0, 0x0) mincore(&(0x7f00003fa000/0x200000)=nil, 0x20014a, &(0x7f0000000000)=""/222) 10:46:49 executing program 4: r0 = socket$kcm(0x2b, 0x8000000000001, 0x0) ioctl$PERF_EVENT_IOC_ENABLE(r0, 0x8912, 0x400200) r1 = socket$inet6(0xa, 0x3, 0x6) setsockopt$inet6_IPV6_FLOWLABEL_MGR(r1, 0x29, 0x20, &(0x7f0000000300)={@mcast2={0xff, 0x2, [0x0, 0x0, 0x0, 0x0, 0x5]}, 0x10000, 0x0, 0x102, 0x8000003}, 0x20) 10:46:49 executing program 3: mknod(&(0x7f0000000040)='./bus\x00', 0x2000000000001003, 0x0) r0 = open(&(0x7f0000000100)='./bus\x00', 0x20000000000b04, 0x0) r1 = epoll_create(0x7) epoll_ctl$EPOLL_CTL_ADD(r1, 0x1, r0, &(0x7f00000001c0)) r2 = socket$kcm(0x2b, 0x8000000000001, 0x0) ioctl$PERF_EVENT_IOC_ENABLE(r2, 0x8912, 0x400200) r3 = openat$vcs(0xffffffffffffff9c, &(0x7f0000000000)='/dev/vcs\x00', 0x0, 0x0) r4 = socket$nl_generic(0x10, 0x3, 0x10) poll(&(0x7f0000000040)=[{r3}, {r2}, {r4}], 0x3, 0x6) r5 = socket(0x2000000000000021, 0x2, 0x10000000000002) connect$rxrpc(r5, &(0x7f0000000140)=@in4={0x21, 0x0, 0x2, 0x10, {0x2, 0x0, @rand_addr=0xdd}}, 0x24) sendmmsg(r5, &(0x7f0000005c00)=[{{0x0, 0x0, 0x0, 0x0, &(0x7f0000000000)=ANY=[]}}], 0x1, 0x0) r6 = socket$inet6(0xa, 0x3, 0x6) mmap(&(0x7f0000ffd000/0x2000)=nil, 0x2000, 0x8, 0x810, r6, 0x0) setsockopt$inet6_IPV6_FLOWLABEL_MGR(r6, 0x29, 0x20, &(0x7f0000000080)={@loopback, 0x800, 0x0, 0x100000003, 0x1, 0x0, 0x0, 0x400000000}, 0x20) setsockopt$inet6_IPV6_FLOWLABEL_MGR(r6, 0x29, 0x20, &(0x7f0000000300)={@mcast2, 0x10000, 0x0, 0x102, 0x8000003}, 0x20) setsockopt$inet6_IPV6_FLOWLABEL_MGR(r6, 0x29, 0x20, &(0x7f0000000040)={@loopback, 0x0, 0x0, 0x1, 0x3}, 0x20) connect$inet6(r6, &(0x7f0000000500)={0xa, 0x0, 0x40f7, @mcast2, 0x7ff}, 0x9) r7 = syz_open_procfs(0x0, &(0x7f0000000600)='net/ip6_flowlabel\x00n\xc01\x14\x894X\xed\xc1\xc9\xd8\xdcK\r\x8d\xae\x98&@\xd0\xe6\xbbQ\xd7\xffYn\x1c\x92\xde\x0e\xaa1\x91\x98\xe9\x1f\nMCi|+\xcdw\xf0\x176Z\xf1`\xac\xf3;\xd6d2\xeb\xe5\f\x0e\x8b\xda\xf7\xfc9\xfe\xff4\xef\'\xa19q\x93\"\x7fG3\xc1E\xe6e6\xc6\xc2u\x11% \xe7+0\x97\x84;\\\xda\xc4\x80\xc3\xb18N\xbfY%\x05\xf8\x85\x89\xfc\xd2\xd7') sendfile(r6, r7, &(0x7f0000000240)=0x202, 0x4000000000dc) r8 = syz_genetlink_get_family_id$nbd(&(0x7f0000000140)='nbd\x00') ioctl$KVM_S390_UCAS_UNMAP(r7, 0x4018ae51, &(0x7f00000000c0)={0x8000, 0x7ff, 0x2}) sendmsg$NBD_CMD_RECONFIGURE(r7, &(0x7f0000000200)={&(0x7f0000000100)={0x10, 0x0, 0x0, 0x80}, 0xc, &(0x7f00000001c0)={&(0x7f0000000180)={0x1ce, r8, 0xc05, 0x70bd29, 0x25dfdbff}, 0x14}, 0x1, 0x0, 0x0, 0x4}, 0x84) sendmsg$NBD_CMD_STATUS(r5, &(0x7f00000002c0)={&(0x7f0000000180)={0x10, 0x0, 0x0, 0x1000000}, 0xc, &(0x7f0000000280)={&(0x7f00000001c0)={0x28, r8, 0x10, 0x70bd25, 0x25dfdbfb, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x5}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x28}, 0x1, 0x0, 0x0, 0x8b29ba74f3c49941}, 0x4044) r9 = openat$audio(0xffffffffffffff9c, &(0x7f0000003500)='/dev/audio\x00', 0x200000, 0x0) r10 = socket$kcm(0x2b, 0x8000000000001, 0x0) ioctl$PERF_EVENT_IOC_ENABLE(r10, 0x8912, 0x400200) r11 = openat$vcs(0xffffffffffffff9c, &(0x7f0000000000)='/dev/vcs\x00', 0x0, 0x0) r12 = socket$nl_generic(0x10, 0x3, 0x10) poll(&(0x7f0000000040)=[{r11}, {r10}, {r12}], 0x3, 0x6) sendmsg$NBD_CMD_CONNECT(r3, &(0x7f0000003600)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x80}, 0xc, &(0x7f00000035c0)={&(0x7f0000003540)={0x54, r8, 0x300, 0x70bd2b, 0x25dfdbfe, {}, [@NBD_ATTR_SOCKETS={0x2c, 0x7, [{0x8, 0x1, r9}, {0x8, 0x1, r11}, {0x8, 0x1, r0}, {0x8}, {0x8, 0x1, r0}]}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}]}, 0x54}, 0x1, 0x0, 0x0, 0x80000c0}, 0x4000000) [ 955.109191][ C1] protocol 88fb is buggy, dev hsr_slave_0 [ 955.115086][ C1] protocol 88fb is buggy, dev hsr_slave_1 10:46:49 executing program 4: r0 = socket$kcm(0x2b, 0x8000000000001, 0x0) ioctl$PERF_EVENT_IOC_ENABLE(r0, 0x8912, 0x400200) r1 = socket$inet6(0xa, 0x3, 0x6) setsockopt$inet6_IPV6_FLOWLABEL_MGR(r1, 0x29, 0x20, &(0x7f0000000300)={@mcast2, 0x10000, 0x0, 0x102, 0x8000003}, 0x20) 10:46:49 executing program 1: r0 = perf_event_open(&(0x7f0000940000)={0x2, 0x70, 0xfffffffffffffffd, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}}, 0x0, 0x0, 0xffffffffffffffff, 0x0) mmap(&(0x7f00004da000/0x1000)=nil, 0x1000, 0x0, 0x4000012, r0, 0x0) mincore(&(0x7f00003fa000/0x200000)=nil, 0x20014b, &(0x7f0000000000)=""/222) 10:46:49 executing program 3: mknod(&(0x7f0000000040)='./bus\x00', 0x2000000000001003, 0x0) r0 = open(&(0x7f0000000100)='./bus\x00', 0x20000000000b04, 0x0) r1 = epoll_create(0x7) epoll_ctl$EPOLL_CTL_ADD(r1, 0x1, r0, &(0x7f00000001c0)) r2 = socket$kcm(0x2b, 0x8000000000001, 0x0) ioctl$PERF_EVENT_IOC_ENABLE(r2, 0x8912, 0x400200) r3 = openat$vcs(0xffffffffffffff9c, &(0x7f0000000000)='/dev/vcs\x00', 0x0, 0x0) r4 = socket$nl_generic(0x10, 0x3, 0x10) poll(&(0x7f0000000040)=[{r3}, {r2}, {r4}], 0x3, 0x6) r5 = socket(0x2000000000000021, 0x2, 0x10000000000002) connect$rxrpc(r5, &(0x7f0000000140)=@in4={0x21, 0x0, 0x2, 0x10, {0x2, 0x0, @rand_addr=0xdd}}, 0x24) sendmmsg(r5, &(0x7f0000005c00)=[{{0x0, 0x0, 0x0, 0x0, &(0x7f0000000000)=ANY=[]}}], 0x1, 0x0) r6 = socket$inet6(0xa, 0x3, 0x6) mmap(&(0x7f0000ffd000/0x2000)=nil, 0x2000, 0x8, 0x810, r6, 0x0) setsockopt$inet6_IPV6_FLOWLABEL_MGR(r6, 0x29, 0x20, &(0x7f0000000080)={@loopback, 0x800, 0x0, 0x100000003, 0x1, 0x0, 0x0, 0x400000000}, 0x20) setsockopt$inet6_IPV6_FLOWLABEL_MGR(r6, 0x29, 0x20, &(0x7f0000000300)={@mcast2, 0x10000, 0x0, 0x102, 0x8000003}, 0x20) setsockopt$inet6_IPV6_FLOWLABEL_MGR(r6, 0x29, 0x20, &(0x7f0000000040)={@loopback, 0x0, 0x0, 0x1, 0x3}, 0x20) connect$inet6(r6, &(0x7f0000000500)={0xa, 0x0, 0x40f7, @mcast2, 0x7ff}, 0x9) r7 = syz_open_procfs(0x0, &(0x7f0000000600)='net/ip6_flowlabel\x00n\xc01\x14\x894X\xed\xc1\xc9\xd8\xdcK\r\x8d\xae\x98&@\xd0\xe6\xbbQ\xd7\xffYn\x1c\x92\xde\x0e\xaa1\x91\x98\xe9\x1f\nMCi|+\xcdw\xf0\x176Z\xf1`\xac\xf3;\xd6d2\xeb\xe5\f\x0e\x8b\xda\xf7\xfc9\xfe\xff4\xef\'\xa19q\x93\"\x7fG3\xc1E\xe6e6\xc6\xc2u\x11% \xe7+0\x97\x84;\\\xda\xc4\x80\xc3\xb18N\xbfY%\x05\xf8\x85\x89\xfc\xd2\xd7') sendfile(r6, r7, &(0x7f0000000240)=0x202, 0x4000000000dc) r8 = syz_genetlink_get_family_id$nbd(&(0x7f0000000140)='nbd\x00') ioctl$KVM_S390_UCAS_UNMAP(r7, 0x4018ae51, &(0x7f00000000c0)={0x8000, 0x7ff, 0x2}) sendmsg$NBD_CMD_RECONFIGURE(r7, &(0x7f0000000200)={&(0x7f0000000100)={0x10, 0x0, 0x0, 0x80}, 0xc, &(0x7f00000001c0)={&(0x7f0000000180)={0x1ce, r8, 0xc05, 0x70bd29, 0x25dfdbff}, 0x14}, 0x1, 0x0, 0x0, 0x4}, 0x84) sendmsg$NBD_CMD_STATUS(r5, &(0x7f00000002c0)={&(0x7f0000000180)={0x10, 0x0, 0x0, 0x1000000}, 0xc, &(0x7f0000000280)={&(0x7f00000001c0)={0x28, r8, 0x10, 0x70bd25, 0x25dfdbfb, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x5}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x28}, 0x1, 0x0, 0x0, 0x8b29ba74f3c49941}, 0x4044) r9 = openat$audio(0xffffffffffffff9c, &(0x7f0000003500)='/dev/audio\x00', 0x200000, 0x0) r10 = socket$kcm(0x2b, 0x8000000000001, 0x0) ioctl$PERF_EVENT_IOC_ENABLE(r10, 0x8912, 0x400200) r11 = openat$vcs(0xffffffffffffff9c, &(0x7f0000000000)='/dev/vcs\x00', 0x0, 0x0) r12 = socket$nl_generic(0x10, 0x3, 0x10) poll(&(0x7f0000000040)=[{r11}, {r10}, {r12}], 0x3, 0x6) sendmsg$NBD_CMD_CONNECT(r3, &(0x7f0000003600)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x80}, 0xc, &(0x7f00000035c0)={&(0x7f0000003540)={0x54, r8, 0x300, 0x70bd2b, 0x25dfdbfe, {}, [@NBD_ATTR_SOCKETS={0x2c, 0x7, [{0x8, 0x1, r9}, {0x8, 0x1, r11}, {0x8, 0x1, r0}, {0x8}, {0x8, 0x1, r0}]}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}]}, 0x54}, 0x1, 0x0, 0x0, 0x80000c0}, 0x4000000) 10:46:49 executing program 4: r0 = socket$kcm(0x2b, 0x8000000000001, 0x0) ioctl$PERF_EVENT_IOC_ENABLE(r0, 0x8912, 0x400200) r1 = socket$inet6(0xa, 0x3, 0x6) setsockopt$inet6_IPV6_FLOWLABEL_MGR(r1, 0x29, 0x20, &(0x7f0000000300)={@mcast2={0xff, 0x2, [0x0, 0x0, 0x0, 0x0, 0x0, 0x2]}, 0x10000, 0x0, 0x102, 0x8000003}, 0x20) [ 955.499182][ C1] protocol 88fb is buggy, dev hsr_slave_0 [ 955.505025][ C1] protocol 88fb is buggy, dev hsr_slave_1 10:46:50 executing program 1: r0 = perf_event_open(&(0x7f0000940000)={0x2, 0x70, 0xfffffffffffffffd, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}}, 0x0, 0x0, 0xffffffffffffffff, 0x0) mmap(&(0x7f00004da000/0x1000)=nil, 0x1000, 0x0, 0x4000012, r0, 0x0) mincore(&(0x7f00003fa000/0x200000)=nil, 0x20014c, &(0x7f0000000000)=""/222) 10:46:50 executing program 4: r0 = socket$kcm(0x2b, 0x8000000000001, 0x0) ioctl$PERF_EVENT_IOC_ENABLE(r0, 0x8912, 0x400200) r1 = socket$inet6(0xa, 0x3, 0x6) setsockopt$inet6_IPV6_FLOWLABEL_MGR(r1, 0x29, 0x20, &(0x7f0000000300)={@mcast2={0xff, 0x2, [0x0, 0x0, 0x0, 0x0, 0x0, 0x5]}, 0x10000, 0x0, 0x102, 0x8000003}, 0x20) 10:46:50 executing program 3: mknod(&(0x7f0000000040)='./bus\x00', 0x2000000000001003, 0x0) r0 = open(&(0x7f0000000100)='./bus\x00', 0x20000000000b04, 0x0) r1 = epoll_create(0x7) epoll_ctl$EPOLL_CTL_ADD(r1, 0x1, r0, &(0x7f00000001c0)) r2 = socket$kcm(0x2b, 0x8000000000001, 0x0) ioctl$PERF_EVENT_IOC_ENABLE(r2, 0x8912, 0x400200) r3 = openat$vcs(0xffffffffffffff9c, &(0x7f0000000000)='/dev/vcs\x00', 0x0, 0x0) r4 = socket$nl_generic(0x10, 0x3, 0x10) poll(&(0x7f0000000040)=[{r3}, {r2}, {r4}], 0x3, 0x6) r5 = socket(0x2000000000000021, 0x2, 0x10000000000002) connect$rxrpc(r5, &(0x7f0000000140)=@in4={0x21, 0x0, 0x2, 0x10, {0x2, 0x0, @rand_addr=0xdd}}, 0x24) sendmmsg(r5, &(0x7f0000005c00)=[{{0x0, 0x0, 0x0, 0x0, &(0x7f0000000000)=ANY=[@ANYBLOB]}}], 0x1, 0x0) r6 = socket$inet6(0xa, 0x3, 0x6) mmap(&(0x7f0000ffd000/0x2000)=nil, 0x2000, 0x8, 0x810, r6, 0x0) setsockopt$inet6_IPV6_FLOWLABEL_MGR(r6, 0x29, 0x20, &(0x7f0000000080)={@loopback, 0x800, 0x0, 0x100000003, 0x1, 0x0, 0x0, 0x400000000}, 0x20) setsockopt$inet6_IPV6_FLOWLABEL_MGR(r6, 0x29, 0x20, &(0x7f0000000300)={@mcast2, 0x10000, 0x0, 0x102, 0x8000003}, 0x20) setsockopt$inet6_IPV6_FLOWLABEL_MGR(r6, 0x29, 0x20, &(0x7f0000000040)={@loopback, 0x0, 0x0, 0x1, 0x3}, 0x20) connect$inet6(r6, &(0x7f0000000500)={0xa, 0x0, 0x40f7, @mcast2, 0x7ff}, 0x9) r7 = syz_open_procfs(0x0, &(0x7f0000000600)='net/ip6_flowlabel\x00n\xc01\x14\x894X\xed\xc1\xc9\xd8\xdcK\r\x8d\xae\x98&@\xd0\xe6\xbbQ\xd7\xffYn\x1c\x92\xde\x0e\xaa1\x91\x98\xe9\x1f\nMCi|+\xcdw\xf0\x176Z\xf1`\xac\xf3;\xd6d2\xeb\xe5\f\x0e\x8b\xda\xf7\xfc9\xfe\xff4\xef\'\xa19q\x93\"\x7fG3\xc1E\xe6e6\xc6\xc2u\x11% \xe7+0\x97\x84;\\\xda\xc4\x80\xc3\xb18N\xbfY%\x05\xf8\x85\x89\xfc\xd2\xd7') sendfile(r6, r7, &(0x7f0000000240)=0x202, 0x4000000000dc) r8 = syz_genetlink_get_family_id$nbd(&(0x7f0000000140)='nbd\x00') ioctl$KVM_S390_UCAS_UNMAP(r7, 0x4018ae51, &(0x7f00000000c0)={0x8000, 0x7ff, 0x2}) sendmsg$NBD_CMD_RECONFIGURE(r7, &(0x7f0000000200)={&(0x7f0000000100)={0x10, 0x0, 0x0, 0x80}, 0xc, &(0x7f00000001c0)={&(0x7f0000000180)={0x1ce, r8, 0xc05, 0x70bd29, 0x25dfdbff}, 0x14}, 0x1, 0x0, 0x0, 0x4}, 0x84) sendmsg$NBD_CMD_STATUS(r5, &(0x7f00000002c0)={&(0x7f0000000180)={0x10, 0x0, 0x0, 0x1000000}, 0xc, &(0x7f0000000280)={&(0x7f00000001c0)={0x28, r8, 0x10, 0x70bd25, 0x25dfdbfb, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x5}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x28}, 0x1, 0x0, 0x0, 0x8b29ba74f3c49941}, 0x4044) r9 = openat$audio(0xffffffffffffff9c, &(0x7f0000003500)='/dev/audio\x00', 0x200000, 0x0) r10 = socket$kcm(0x2b, 0x8000000000001, 0x0) ioctl$PERF_EVENT_IOC_ENABLE(r10, 0x8912, 0x400200) r11 = openat$vcs(0xffffffffffffff9c, &(0x7f0000000000)='/dev/vcs\x00', 0x0, 0x0) r12 = socket$nl_generic(0x10, 0x3, 0x10) poll(&(0x7f0000000040)=[{r11}, {r10}, {r12}], 0x3, 0x6) sendmsg$NBD_CMD_CONNECT(r3, &(0x7f0000003600)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x80}, 0xc, &(0x7f00000035c0)={&(0x7f0000003540)={0x54, r8, 0x300, 0x70bd2b, 0x25dfdbfe, {}, [@NBD_ATTR_SOCKETS={0x2c, 0x7, [{0x8, 0x1, r9}, {0x8, 0x1, r11}, {0x8, 0x1, r0}, {0x8}, {0x8, 0x1, r0}]}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}]}, 0x54}, 0x1, 0x0, 0x0, 0x80000c0}, 0x4000000) 10:46:50 executing program 1: r0 = perf_event_open(&(0x7f0000940000)={0x2, 0x70, 0xfffffffffffffffd, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}}, 0x0, 0x0, 0xffffffffffffffff, 0x0) mmap(&(0x7f00004da000/0x1000)=nil, 0x1000, 0x0, 0x4000012, r0, 0x0) mincore(&(0x7f00003fa000/0x200000)=nil, 0x20014d, &(0x7f0000000000)=""/222) 10:46:50 executing program 4: r0 = socket$kcm(0x2b, 0x8000000000001, 0x0) ioctl$PERF_EVENT_IOC_ENABLE(r0, 0x8912, 0x400200) r1 = socket$inet6(0xa, 0x3, 0x6) setsockopt$inet6_IPV6_FLOWLABEL_MGR(r1, 0x29, 0x20, &(0x7f0000000300)={@mcast2, 0x10000, 0x0, 0x102, 0x8000003}, 0x20) 10:46:50 executing program 3: mknod(&(0x7f0000000040)='./bus\x00', 0x2000000000001003, 0x0) r0 = open(&(0x7f0000000100)='./bus\x00', 0x20000000000b04, 0x0) r1 = epoll_create(0x7) epoll_ctl$EPOLL_CTL_ADD(r1, 0x1, r0, &(0x7f00000001c0)) r2 = socket$kcm(0x2b, 0x8000000000001, 0x0) ioctl$PERF_EVENT_IOC_ENABLE(r2, 0x8912, 0x400200) r3 = openat$vcs(0xffffffffffffff9c, &(0x7f0000000000)='/dev/vcs\x00', 0x0, 0x0) r4 = socket$nl_generic(0x10, 0x3, 0x10) poll(&(0x7f0000000040)=[{r3}, {r2}, {r4}], 0x3, 0x6) r5 = socket(0x2000000000000021, 0x2, 0x10000000000002) connect$rxrpc(r5, &(0x7f0000000140)=@in4={0x21, 0x0, 0x2, 0x10, {0x2, 0x0, @rand_addr=0xdd}}, 0x24) sendmmsg(r5, &(0x7f0000005c00)=[{{0x0, 0x0, 0x0, 0x0, &(0x7f0000000000)=ANY=[@ANYBLOB]}}], 0x1, 0x0) r6 = socket$inet6(0xa, 0x3, 0x6) mmap(&(0x7f0000ffd000/0x2000)=nil, 0x2000, 0x8, 0x810, r6, 0x0) setsockopt$inet6_IPV6_FLOWLABEL_MGR(r6, 0x29, 0x20, &(0x7f0000000080)={@loopback, 0x800, 0x0, 0x100000003, 0x1, 0x0, 0x0, 0x400000000}, 0x20) setsockopt$inet6_IPV6_FLOWLABEL_MGR(r6, 0x29, 0x20, &(0x7f0000000300)={@mcast2, 0x10000, 0x0, 0x102, 0x8000003}, 0x20) setsockopt$inet6_IPV6_FLOWLABEL_MGR(r6, 0x29, 0x20, &(0x7f0000000040)={@loopback, 0x0, 0x0, 0x1, 0x3}, 0x20) connect$inet6(r6, &(0x7f0000000500)={0xa, 0x0, 0x40f7, @mcast2, 0x7ff}, 0x9) r7 = syz_open_procfs(0x0, &(0x7f0000000600)='net/ip6_flowlabel\x00n\xc01\x14\x894X\xed\xc1\xc9\xd8\xdcK\r\x8d\xae\x98&@\xd0\xe6\xbbQ\xd7\xffYn\x1c\x92\xde\x0e\xaa1\x91\x98\xe9\x1f\nMCi|+\xcdw\xf0\x176Z\xf1`\xac\xf3;\xd6d2\xeb\xe5\f\x0e\x8b\xda\xf7\xfc9\xfe\xff4\xef\'\xa19q\x93\"\x7fG3\xc1E\xe6e6\xc6\xc2u\x11% \xe7+0\x97\x84;\\\xda\xc4\x80\xc3\xb18N\xbfY%\x05\xf8\x85\x89\xfc\xd2\xd7') sendfile(r6, r7, &(0x7f0000000240)=0x202, 0x4000000000dc) r8 = syz_genetlink_get_family_id$nbd(&(0x7f0000000140)='nbd\x00') ioctl$KVM_S390_UCAS_UNMAP(r7, 0x4018ae51, &(0x7f00000000c0)={0x8000, 0x7ff, 0x2}) sendmsg$NBD_CMD_RECONFIGURE(r7, &(0x7f0000000200)={&(0x7f0000000100)={0x10, 0x0, 0x0, 0x80}, 0xc, &(0x7f00000001c0)={&(0x7f0000000180)={0x1ce, r8, 0xc05, 0x70bd29, 0x25dfdbff}, 0x14}, 0x1, 0x0, 0x0, 0x4}, 0x84) sendmsg$NBD_CMD_STATUS(r5, &(0x7f00000002c0)={&(0x7f0000000180)={0x10, 0x0, 0x0, 0x1000000}, 0xc, &(0x7f0000000280)={&(0x7f00000001c0)={0x28, r8, 0x10, 0x70bd25, 0x25dfdbfb, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x5}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x28}, 0x1, 0x0, 0x0, 0x8b29ba74f3c49941}, 0x4044) r9 = openat$audio(0xffffffffffffff9c, &(0x7f0000003500)='/dev/audio\x00', 0x200000, 0x0) r10 = socket$kcm(0x2b, 0x8000000000001, 0x0) ioctl$PERF_EVENT_IOC_ENABLE(r10, 0x8912, 0x400200) r11 = openat$vcs(0xffffffffffffff9c, &(0x7f0000000000)='/dev/vcs\x00', 0x0, 0x0) r12 = socket$nl_generic(0x10, 0x3, 0x10) poll(&(0x7f0000000040)=[{r11}, {r10}, {r12}], 0x3, 0x6) sendmsg$NBD_CMD_CONNECT(r3, &(0x7f0000003600)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x80}, 0xc, &(0x7f00000035c0)={&(0x7f0000003540)={0x54, r8, 0x300, 0x70bd2b, 0x25dfdbfe, {}, [@NBD_ATTR_SOCKETS={0x2c, 0x7, [{0x8, 0x1, r9}, {0x8, 0x1, r11}, {0x8, 0x1, r0}, {0x8}, {0x8, 0x1, r0}]}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}]}, 0x54}, 0x1, 0x0, 0x0, 0x80000c0}, 0x4000000) 10:46:50 executing program 4: r0 = socket$kcm(0x2b, 0x8000000000001, 0x0) ioctl$PERF_EVENT_IOC_ENABLE(r0, 0x8912, 0x400200) r1 = socket$inet6(0xa, 0x3, 0x6) setsockopt$inet6_IPV6_FLOWLABEL_MGR(r1, 0x29, 0x20, &(0x7f0000000300)={@mcast2={0xff, 0x2, [0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x2]}, 0x10000, 0x0, 0x102, 0x8000003}, 0x20) 10:46:50 executing program 1: r0 = perf_event_open(&(0x7f0000940000)={0x2, 0x70, 0xfffffffffffffffd, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}}, 0x0, 0x0, 0xffffffffffffffff, 0x0) mmap(&(0x7f00004da000/0x1000)=nil, 0x1000, 0x0, 0x4000012, r0, 0x0) mincore(&(0x7f00003fa000/0x200000)=nil, 0x20014e, &(0x7f0000000000)=""/222) 10:46:50 executing program 4: r0 = socket$kcm(0x2b, 0x8000000000001, 0x0) ioctl$PERF_EVENT_IOC_ENABLE(r0, 0x8912, 0x400200) r1 = socket$inet6(0xa, 0x3, 0x6) setsockopt$inet6_IPV6_FLOWLABEL_MGR(r1, 0x29, 0x20, &(0x7f0000000300)={@mcast2={0xff, 0x2, [0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x5]}, 0x10000, 0x0, 0x102, 0x8000003}, 0x20) 10:46:50 executing program 3: mknod(&(0x7f0000000040)='./bus\x00', 0x2000000000001003, 0x0) r0 = open(&(0x7f0000000100)='./bus\x00', 0x20000000000b04, 0x0) r1 = epoll_create(0x7) epoll_ctl$EPOLL_CTL_ADD(r1, 0x1, r0, &(0x7f00000001c0)) r2 = socket$kcm(0x2b, 0x8000000000001, 0x0) ioctl$PERF_EVENT_IOC_ENABLE(r2, 0x8912, 0x400200) r3 = openat$vcs(0xffffffffffffff9c, &(0x7f0000000000)='/dev/vcs\x00', 0x0, 0x0) r4 = socket$nl_generic(0x10, 0x3, 0x10) poll(&(0x7f0000000040)=[{r3}, {r2}, {r4}], 0x3, 0x6) r5 = socket(0x2000000000000021, 0x2, 0x10000000000002) connect$rxrpc(r5, &(0x7f0000000140)=@in4={0x21, 0x0, 0x2, 0x10, {0x2, 0x0, @rand_addr=0xdd}}, 0x24) sendmmsg(r5, &(0x7f0000005c00)=[{{0x0, 0x0, 0x0, 0x0, &(0x7f0000000000)=ANY=[@ANYBLOB]}}], 0x1, 0x0) r6 = socket$inet6(0xa, 0x3, 0x6) mmap(&(0x7f0000ffd000/0x2000)=nil, 0x2000, 0x8, 0x810, r6, 0x0) setsockopt$inet6_IPV6_FLOWLABEL_MGR(r6, 0x29, 0x20, &(0x7f0000000080)={@loopback, 0x800, 0x0, 0x100000003, 0x1, 0x0, 0x0, 0x400000000}, 0x20) setsockopt$inet6_IPV6_FLOWLABEL_MGR(r6, 0x29, 0x20, &(0x7f0000000300)={@mcast2, 0x10000, 0x0, 0x102, 0x8000003}, 0x20) setsockopt$inet6_IPV6_FLOWLABEL_MGR(r6, 0x29, 0x20, &(0x7f0000000040)={@loopback, 0x0, 0x0, 0x1, 0x3}, 0x20) connect$inet6(r6, &(0x7f0000000500)={0xa, 0x0, 0x40f7, @mcast2, 0x7ff}, 0x9) r7 = syz_open_procfs(0x0, &(0x7f0000000600)='net/ip6_flowlabel\x00n\xc01\x14\x894X\xed\xc1\xc9\xd8\xdcK\r\x8d\xae\x98&@\xd0\xe6\xbbQ\xd7\xffYn\x1c\x92\xde\x0e\xaa1\x91\x98\xe9\x1f\nMCi|+\xcdw\xf0\x176Z\xf1`\xac\xf3;\xd6d2\xeb\xe5\f\x0e\x8b\xda\xf7\xfc9\xfe\xff4\xef\'\xa19q\x93\"\x7fG3\xc1E\xe6e6\xc6\xc2u\x11% \xe7+0\x97\x84;\\\xda\xc4\x80\xc3\xb18N\xbfY%\x05\xf8\x85\x89\xfc\xd2\xd7') sendfile(r6, r7, &(0x7f0000000240)=0x202, 0x4000000000dc) r8 = syz_genetlink_get_family_id$nbd(&(0x7f0000000140)='nbd\x00') ioctl$KVM_S390_UCAS_UNMAP(r7, 0x4018ae51, &(0x7f00000000c0)={0x8000, 0x7ff, 0x2}) sendmsg$NBD_CMD_RECONFIGURE(r7, &(0x7f0000000200)={&(0x7f0000000100)={0x10, 0x0, 0x0, 0x80}, 0xc, &(0x7f00000001c0)={&(0x7f0000000180)={0x1ce, r8, 0xc05, 0x70bd29, 0x25dfdbff}, 0x14}, 0x1, 0x0, 0x0, 0x4}, 0x84) sendmsg$NBD_CMD_STATUS(r5, &(0x7f00000002c0)={&(0x7f0000000180)={0x10, 0x0, 0x0, 0x1000000}, 0xc, &(0x7f0000000280)={&(0x7f00000001c0)={0x28, r8, 0x10, 0x70bd25, 0x25dfdbfb, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x5}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x28}, 0x1, 0x0, 0x0, 0x8b29ba74f3c49941}, 0x4044) r9 = openat$audio(0xffffffffffffff9c, &(0x7f0000003500)='/dev/audio\x00', 0x200000, 0x0) r10 = socket$kcm(0x2b, 0x8000000000001, 0x0) ioctl$PERF_EVENT_IOC_ENABLE(r10, 0x8912, 0x400200) r11 = openat$vcs(0xffffffffffffff9c, &(0x7f0000000000)='/dev/vcs\x00', 0x0, 0x0) r12 = socket$nl_generic(0x10, 0x3, 0x10) poll(&(0x7f0000000040)=[{r11}, {r10}, {r12}], 0x3, 0x6) sendmsg$NBD_CMD_CONNECT(r3, &(0x7f0000003600)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x80}, 0xc, &(0x7f00000035c0)={&(0x7f0000003540)={0x54, r8, 0x300, 0x70bd2b, 0x25dfdbfe, {}, [@NBD_ATTR_SOCKETS={0x2c, 0x7, [{0x8, 0x1, r9}, {0x8, 0x1, r11}, {0x8, 0x1, r0}, {0x8}, {0x8, 0x1, r0}]}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}]}, 0x54}, 0x1, 0x0, 0x0, 0x80000c0}, 0x4000000) [ 956.379207][ C0] protocol 88fb is buggy, dev hsr_slave_0 [ 956.385011][ C0] protocol 88fb is buggy, dev hsr_slave_1 10:46:51 executing program 1: r0 = perf_event_open(&(0x7f0000940000)={0x2, 0x70, 0xfffffffffffffffd, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}}, 0x0, 0x0, 0xffffffffffffffff, 0x0) mmap(&(0x7f00004da000/0x1000)=nil, 0x1000, 0x0, 0x4000012, r0, 0x0) mincore(&(0x7f00003fa000/0x200000)=nil, 0x20014f, &(0x7f0000000000)=""/222) 10:46:51 executing program 4: r0 = socket$kcm(0x2b, 0x8000000000001, 0x0) ioctl$PERF_EVENT_IOC_ENABLE(r0, 0x8912, 0x400200) r1 = socket$inet6(0xa, 0x3, 0x6) setsockopt$inet6_IPV6_FLOWLABEL_MGR(r1, 0x29, 0x20, &(0x7f0000000300)={@mcast2, 0x10000, 0x0, 0x102, 0x8000003}, 0x20) 10:46:51 executing program 3: mknod(&(0x7f0000000040)='./bus\x00', 0x2000000000001003, 0x0) r0 = open(&(0x7f0000000100)='./bus\x00', 0x20000000000b04, 0x0) r1 = epoll_create(0x7) epoll_ctl$EPOLL_CTL_ADD(r1, 0x1, r0, &(0x7f00000001c0)) r2 = socket$kcm(0x2b, 0x8000000000001, 0x0) ioctl$PERF_EVENT_IOC_ENABLE(r2, 0x8912, 0x400200) r3 = openat$vcs(0xffffffffffffff9c, &(0x7f0000000000)='/dev/vcs\x00', 0x0, 0x0) r4 = socket$nl_generic(0x10, 0x3, 0x10) poll(&(0x7f0000000040)=[{r3}, {r2}, {r4}], 0x3, 0x6) r5 = socket(0x2000000000000021, 0x2, 0x10000000000002) connect$rxrpc(r5, &(0x7f0000000140)=@in4={0x21, 0x0, 0x2, 0x10, {0x2, 0x0, @rand_addr=0xdd}}, 0x24) sendmmsg(r5, &(0x7f0000005c00)=[{{0x0, 0x0, 0x0, 0x0, &(0x7f0000000000)=ANY=[@ANYBLOB="180008000000000010010000"], 0xc}}], 0x1, 0x0) r6 = socket$inet6(0xa, 0x3, 0x6) mmap(&(0x7f0000ffd000/0x2000)=nil, 0x2000, 0x8, 0x810, r6, 0x0) setsockopt$inet6_IPV6_FLOWLABEL_MGR(r6, 0x29, 0x20, &(0x7f0000000080)={@loopback, 0x800, 0x0, 0x100000003, 0x1, 0x0, 0x0, 0x400000000}, 0x20) setsockopt$inet6_IPV6_FLOWLABEL_MGR(r6, 0x29, 0x20, &(0x7f0000000300)={@mcast2, 0x10000, 0x0, 0x102, 0x8000003}, 0x20) setsockopt$inet6_IPV6_FLOWLABEL_MGR(r6, 0x29, 0x20, &(0x7f0000000040)={@loopback, 0x0, 0x0, 0x1, 0x3}, 0x20) connect$inet6(r6, &(0x7f0000000500)={0xa, 0x0, 0x40f7, @mcast2, 0x7ff}, 0x9) r7 = syz_open_procfs(0x0, &(0x7f0000000600)='net/ip6_flowlabel\x00n\xc01\x14\x894X\xed\xc1\xc9\xd8\xdcK\r\x8d\xae\x98&@\xd0\xe6\xbbQ\xd7\xffYn\x1c\x92\xde\x0e\xaa1\x91\x98\xe9\x1f\nMCi|+\xcdw\xf0\x176Z\xf1`\xac\xf3;\xd6d2\xeb\xe5\f\x0e\x8b\xda\xf7\xfc9\xfe\xff4\xef\'\xa19q\x93\"\x7fG3\xc1E\xe6e6\xc6\xc2u\x11% \xe7+0\x97\x84;\\\xda\xc4\x80\xc3\xb18N\xbfY%\x05\xf8\x85\x89\xfc\xd2\xd7') sendfile(r6, r7, &(0x7f0000000240)=0x202, 0x4000000000dc) r8 = syz_genetlink_get_family_id$nbd(&(0x7f0000000140)='nbd\x00') ioctl$KVM_S390_UCAS_UNMAP(r7, 0x4018ae51, &(0x7f00000000c0)={0x8000, 0x7ff, 0x2}) sendmsg$NBD_CMD_RECONFIGURE(r7, &(0x7f0000000200)={&(0x7f0000000100)={0x10, 0x0, 0x0, 0x80}, 0xc, &(0x7f00000001c0)={&(0x7f0000000180)={0x1ce, r8, 0xc05, 0x70bd29, 0x25dfdbff}, 0x14}, 0x1, 0x0, 0x0, 0x4}, 0x84) sendmsg$NBD_CMD_STATUS(r5, &(0x7f00000002c0)={&(0x7f0000000180)={0x10, 0x0, 0x0, 0x1000000}, 0xc, &(0x7f0000000280)={&(0x7f00000001c0)={0x28, r8, 0x10, 0x70bd25, 0x25dfdbfb, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x5}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x28}, 0x1, 0x0, 0x0, 0x8b29ba74f3c49941}, 0x4044) r9 = openat$audio(0xffffffffffffff9c, &(0x7f0000003500)='/dev/audio\x00', 0x200000, 0x0) r10 = socket$kcm(0x2b, 0x8000000000001, 0x0) ioctl$PERF_EVENT_IOC_ENABLE(r10, 0x8912, 0x400200) r11 = openat$vcs(0xffffffffffffff9c, &(0x7f0000000000)='/dev/vcs\x00', 0x0, 0x0) r12 = socket$nl_generic(0x10, 0x3, 0x10) poll(&(0x7f0000000040)=[{r11}, {r10}, {r12}], 0x3, 0x6) sendmsg$NBD_CMD_CONNECT(r3, &(0x7f0000003600)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x80}, 0xc, &(0x7f00000035c0)={&(0x7f0000003540)={0x54, r8, 0x300, 0x70bd2b, 0x25dfdbfe, {}, [@NBD_ATTR_SOCKETS={0x2c, 0x7, [{0x8, 0x1, r9}, {0x8, 0x1, r11}, {0x8, 0x1, r0}, {0x8}, {0x8, 0x1, r0}]}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}]}, 0x54}, 0x1, 0x0, 0x0, 0x80000c0}, 0x4000000) 10:46:51 executing program 4: r0 = socket$kcm(0x2b, 0x8000000000001, 0x0) ioctl$PERF_EVENT_IOC_ENABLE(r0, 0x8912, 0x400200) r1 = socket$inet6(0xa, 0x3, 0x6) setsockopt$inet6_IPV6_FLOWLABEL_MGR(r1, 0x29, 0x20, &(0x7f0000000300)={@mcast2={0xff, 0x2, [0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x2]}, 0x10000, 0x0, 0x102, 0x8000003}, 0x20) 10:46:51 executing program 1: r0 = perf_event_open(&(0x7f0000940000)={0x2, 0x70, 0xfffffffffffffffd, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}}, 0x0, 0x0, 0xffffffffffffffff, 0x0) mmap(&(0x7f00004da000/0x1000)=nil, 0x1000, 0x0, 0x4000012, r0, 0x0) mincore(&(0x7f00003fa000/0x200000)=nil, 0x200150, &(0x7f0000000000)=""/222) 10:46:51 executing program 3: mknod(&(0x7f0000000040)='./bus\x00', 0x2000000000001003, 0x0) r0 = open(&(0x7f0000000100)='./bus\x00', 0x20000000000b04, 0x0) r1 = epoll_create(0x7) epoll_ctl$EPOLL_CTL_ADD(r1, 0x1, r0, &(0x7f00000001c0)) r2 = socket$kcm(0x2b, 0x8000000000001, 0x0) ioctl$PERF_EVENT_IOC_ENABLE(r2, 0x8912, 0x400200) r3 = openat$vcs(0xffffffffffffff9c, &(0x7f0000000000)='/dev/vcs\x00', 0x0, 0x0) r4 = socket$nl_generic(0x10, 0x3, 0x10) poll(&(0x7f0000000040)=[{r3}, {r2}, {r4}], 0x3, 0x6) r5 = socket(0x2000000000000021, 0x2, 0x10000000000002) connect$rxrpc(r5, &(0x7f0000000140)=@in4={0x21, 0x0, 0x2, 0x10, {0x2, 0x0, @rand_addr=0xdd}}, 0x24) sendmmsg(r5, &(0x7f0000005c00)=[{{0x0, 0x0, 0x0, 0x0, &(0x7f0000000000)=ANY=[@ANYBLOB="180008000000000010010000"], 0xc}}], 0x1, 0x0) r6 = socket$inet6(0xa, 0x3, 0x6) mmap(&(0x7f0000ffd000/0x2000)=nil, 0x2000, 0x8, 0x810, r6, 0x0) setsockopt$inet6_IPV6_FLOWLABEL_MGR(r6, 0x29, 0x20, &(0x7f0000000080)={@loopback, 0x800, 0x0, 0x100000003, 0x1, 0x0, 0x0, 0x400000000}, 0x20) setsockopt$inet6_IPV6_FLOWLABEL_MGR(r6, 0x29, 0x20, &(0x7f0000000300)={@mcast2, 0x10000, 0x0, 0x102, 0x8000003}, 0x20) setsockopt$inet6_IPV6_FLOWLABEL_MGR(r6, 0x29, 0x20, &(0x7f0000000040)={@loopback, 0x0, 0x0, 0x1, 0x3}, 0x20) connect$inet6(r6, &(0x7f0000000500)={0xa, 0x0, 0x40f7, @mcast2, 0x7ff}, 0x9) r7 = syz_open_procfs(0x0, &(0x7f0000000600)='net/ip6_flowlabel\x00n\xc01\x14\x894X\xed\xc1\xc9\xd8\xdcK\r\x8d\xae\x98&@\xd0\xe6\xbbQ\xd7\xffYn\x1c\x92\xde\x0e\xaa1\x91\x98\xe9\x1f\nMCi|+\xcdw\xf0\x176Z\xf1`\xac\xf3;\xd6d2\xeb\xe5\f\x0e\x8b\xda\xf7\xfc9\xfe\xff4\xef\'\xa19q\x93\"\x7fG3\xc1E\xe6e6\xc6\xc2u\x11% \xe7+0\x97\x84;\\\xda\xc4\x80\xc3\xb18N\xbfY%\x05\xf8\x85\x89\xfc\xd2\xd7') sendfile(r6, r7, &(0x7f0000000240)=0x202, 0x4000000000dc) r8 = syz_genetlink_get_family_id$nbd(&(0x7f0000000140)='nbd\x00') ioctl$KVM_S390_UCAS_UNMAP(r7, 0x4018ae51, &(0x7f00000000c0)={0x8000, 0x7ff, 0x2}) sendmsg$NBD_CMD_RECONFIGURE(r7, &(0x7f0000000200)={&(0x7f0000000100)={0x10, 0x0, 0x0, 0x80}, 0xc, &(0x7f00000001c0)={&(0x7f0000000180)={0x1ce, r8, 0xc05, 0x70bd29, 0x25dfdbff}, 0x14}, 0x1, 0x0, 0x0, 0x4}, 0x84) sendmsg$NBD_CMD_STATUS(r5, &(0x7f00000002c0)={&(0x7f0000000180)={0x10, 0x0, 0x0, 0x1000000}, 0xc, &(0x7f0000000280)={&(0x7f00000001c0)={0x28, r8, 0x10, 0x70bd25, 0x25dfdbfb, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x5}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x28}, 0x1, 0x0, 0x0, 0x8b29ba74f3c49941}, 0x4044) r9 = openat$audio(0xffffffffffffff9c, &(0x7f0000003500)='/dev/audio\x00', 0x200000, 0x0) r10 = socket$kcm(0x2b, 0x8000000000001, 0x0) ioctl$PERF_EVENT_IOC_ENABLE(r10, 0x8912, 0x400200) r11 = openat$vcs(0xffffffffffffff9c, &(0x7f0000000000)='/dev/vcs\x00', 0x0, 0x0) r12 = socket$nl_generic(0x10, 0x3, 0x10) poll(&(0x7f0000000040)=[{r11}, {r10}, {r12}], 0x3, 0x6) sendmsg$NBD_CMD_CONNECT(r3, &(0x7f0000003600)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x80}, 0xc, &(0x7f00000035c0)={&(0x7f0000003540)={0x54, r8, 0x300, 0x70bd2b, 0x25dfdbfe, {}, [@NBD_ATTR_SOCKETS={0x2c, 0x7, [{0x8, 0x1, r9}, {0x8, 0x1, r11}, {0x8, 0x1, r0}, {0x8}, {0x8, 0x1, r0}]}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}]}, 0x54}, 0x1, 0x0, 0x0, 0x80000c0}, 0x4000000) 10:46:51 executing program 4: r0 = socket$kcm(0x2b, 0x8000000000001, 0x0) ioctl$PERF_EVENT_IOC_ENABLE(r0, 0x8912, 0x400200) r1 = socket$inet6(0xa, 0x3, 0x6) setsockopt$inet6_IPV6_FLOWLABEL_MGR(r1, 0x29, 0x20, &(0x7f0000000300)={@mcast2={0xff, 0x2, [0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x5]}, 0x10000, 0x0, 0x102, 0x8000003}, 0x20) 10:46:51 executing program 1: r0 = perf_event_open(&(0x7f0000940000)={0x2, 0x70, 0xfffffffffffffffd, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}}, 0x0, 0x0, 0xffffffffffffffff, 0x0) mmap(&(0x7f00004da000/0x1000)=nil, 0x1000, 0x0, 0x4000012, r0, 0x0) mincore(&(0x7f00003fa000/0x200000)=nil, 0x200151, &(0x7f0000000000)=""/222) 10:46:51 executing program 4: r0 = socket$kcm(0x2b, 0x8000000000001, 0x0) ioctl$PERF_EVENT_IOC_ENABLE(r0, 0x8912, 0x400200) r1 = socket$inet6(0xa, 0x3, 0x6) setsockopt$inet6_IPV6_FLOWLABEL_MGR(r1, 0x29, 0x20, &(0x7f0000000300)={@mcast2, 0x10000, 0x0, 0x102, 0x8000003}, 0x20) 10:46:51 executing program 3: mknod(&(0x7f0000000040)='./bus\x00', 0x2000000000001003, 0x0) r0 = open(&(0x7f0000000100)='./bus\x00', 0x20000000000b04, 0x0) r1 = epoll_create(0x7) epoll_ctl$EPOLL_CTL_ADD(r1, 0x1, r0, &(0x7f00000001c0)) r2 = socket$kcm(0x2b, 0x8000000000001, 0x0) ioctl$PERF_EVENT_IOC_ENABLE(r2, 0x8912, 0x400200) r3 = openat$vcs(0xffffffffffffff9c, &(0x7f0000000000)='/dev/vcs\x00', 0x0, 0x0) r4 = socket$nl_generic(0x10, 0x3, 0x10) poll(&(0x7f0000000040)=[{r3}, {r2}, {r4}], 0x3, 0x6) r5 = socket(0x2000000000000021, 0x2, 0x10000000000002) connect$rxrpc(r5, &(0x7f0000000140)=@in4={0x21, 0x0, 0x2, 0x10, {0x2, 0x0, @rand_addr=0xdd}}, 0x24) sendmmsg(r5, &(0x7f0000005c00)=[{{0x0, 0x0, 0x0, 0x0, &(0x7f0000000000)=ANY=[@ANYBLOB="180008000000000010010000"], 0xc}}], 0x1, 0x0) r6 = socket$inet6(0xa, 0x3, 0x6) mmap(&(0x7f0000ffd000/0x2000)=nil, 0x2000, 0x8, 0x810, r6, 0x0) setsockopt$inet6_IPV6_FLOWLABEL_MGR(r6, 0x29, 0x20, &(0x7f0000000080)={@loopback, 0x800, 0x0, 0x100000003, 0x1, 0x0, 0x0, 0x400000000}, 0x20) setsockopt$inet6_IPV6_FLOWLABEL_MGR(r6, 0x29, 0x20, &(0x7f0000000300)={@mcast2, 0x10000, 0x0, 0x102, 0x8000003}, 0x20) setsockopt$inet6_IPV6_FLOWLABEL_MGR(r6, 0x29, 0x20, &(0x7f0000000040)={@loopback, 0x0, 0x0, 0x1, 0x3}, 0x20) connect$inet6(r6, &(0x7f0000000500)={0xa, 0x0, 0x40f7, @mcast2, 0x7ff}, 0x9) r7 = syz_open_procfs(0x0, &(0x7f0000000600)='net/ip6_flowlabel\x00n\xc01\x14\x894X\xed\xc1\xc9\xd8\xdcK\r\x8d\xae\x98&@\xd0\xe6\xbbQ\xd7\xffYn\x1c\x92\xde\x0e\xaa1\x91\x98\xe9\x1f\nMCi|+\xcdw\xf0\x176Z\xf1`\xac\xf3;\xd6d2\xeb\xe5\f\x0e\x8b\xda\xf7\xfc9\xfe\xff4\xef\'\xa19q\x93\"\x7fG3\xc1E\xe6e6\xc6\xc2u\x11% \xe7+0\x97\x84;\\\xda\xc4\x80\xc3\xb18N\xbfY%\x05\xf8\x85\x89\xfc\xd2\xd7') sendfile(r6, r7, &(0x7f0000000240)=0x202, 0x4000000000dc) r8 = syz_genetlink_get_family_id$nbd(&(0x7f0000000140)='nbd\x00') ioctl$KVM_S390_UCAS_UNMAP(r7, 0x4018ae51, &(0x7f00000000c0)={0x8000, 0x7ff, 0x2}) sendmsg$NBD_CMD_RECONFIGURE(r7, &(0x7f0000000200)={&(0x7f0000000100)={0x10, 0x0, 0x0, 0x80}, 0xc, &(0x7f00000001c0)={&(0x7f0000000180)={0x1ce, r8, 0xc05, 0x70bd29, 0x25dfdbff}, 0x14}, 0x1, 0x0, 0x0, 0x4}, 0x84) sendmsg$NBD_CMD_STATUS(r5, &(0x7f00000002c0)={&(0x7f0000000180)={0x10, 0x0, 0x0, 0x1000000}, 0xc, &(0x7f0000000280)={&(0x7f00000001c0)={0x28, r8, 0x10, 0x70bd25, 0x25dfdbfb, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x5}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x28}, 0x1, 0x0, 0x0, 0x8b29ba74f3c49941}, 0x4044) r9 = openat$audio(0xffffffffffffff9c, &(0x7f0000003500)='/dev/audio\x00', 0x200000, 0x0) r10 = socket$kcm(0x2b, 0x8000000000001, 0x0) ioctl$PERF_EVENT_IOC_ENABLE(r10, 0x8912, 0x400200) r11 = openat$vcs(0xffffffffffffff9c, &(0x7f0000000000)='/dev/vcs\x00', 0x0, 0x0) r12 = socket$nl_generic(0x10, 0x3, 0x10) poll(&(0x7f0000000040)=[{r11}, {r10}, {r12}], 0x3, 0x6) sendmsg$NBD_CMD_CONNECT(r3, &(0x7f0000003600)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x80}, 0xc, &(0x7f00000035c0)={&(0x7f0000003540)={0x54, r8, 0x300, 0x70bd2b, 0x25dfdbfe, {}, [@NBD_ATTR_SOCKETS={0x2c, 0x7, [{0x8, 0x1, r9}, {0x8, 0x1, r11}, {0x8, 0x1, r0}, {0x8}, {0x8, 0x1, r0}]}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}]}, 0x54}, 0x1, 0x0, 0x0, 0x80000c0}, 0x4000000) 10:46:51 executing program 4: r0 = socket$kcm(0x2b, 0x8000000000001, 0x0) ioctl$PERF_EVENT_IOC_ENABLE(r0, 0x8912, 0x400200) r1 = socket$inet6(0xa, 0x3, 0x6) setsockopt$inet6_IPV6_FLOWLABEL_MGR(r1, 0x29, 0x20, &(0x7f0000000300)={@mcast2={0xff, 0x2, [0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x2]}, 0x10000, 0x0, 0x102, 0x8000003}, 0x20) 10:46:52 executing program 1: r0 = perf_event_open(&(0x7f0000940000)={0x2, 0x70, 0xfffffffffffffffd, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}}, 0x0, 0x0, 0xffffffffffffffff, 0x0) mmap(&(0x7f00004da000/0x1000)=nil, 0x1000, 0x0, 0x4000012, r0, 0x0) mincore(&(0x7f00003fa000/0x200000)=nil, 0x200152, &(0x7f0000000000)=""/222) 10:46:52 executing program 4: r0 = socket$kcm(0x2b, 0x8000000000001, 0x0) ioctl$PERF_EVENT_IOC_ENABLE(r0, 0x8912, 0x400200) r1 = socket$inet6(0xa, 0x3, 0x6) setsockopt$inet6_IPV6_FLOWLABEL_MGR(r1, 0x29, 0x20, &(0x7f0000000300)={@mcast2={0xff, 0x2, [0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x5]}, 0x10000, 0x0, 0x102, 0x8000003}, 0x20) 10:46:52 executing program 3: mknod(&(0x7f0000000040)='./bus\x00', 0x2000000000001003, 0x0) r0 = open(&(0x7f0000000100)='./bus\x00', 0x20000000000b04, 0x0) r1 = epoll_create(0x7) epoll_ctl$EPOLL_CTL_ADD(r1, 0x1, r0, &(0x7f00000001c0)) r2 = socket$kcm(0x2b, 0x8000000000001, 0x0) ioctl$PERF_EVENT_IOC_ENABLE(r2, 0x8912, 0x400200) r3 = openat$vcs(0xffffffffffffff9c, &(0x7f0000000000)='/dev/vcs\x00', 0x0, 0x0) r4 = socket$nl_generic(0x10, 0x3, 0x10) poll(&(0x7f0000000040)=[{r3}, {r2}, {r4}], 0x3, 0x6) r5 = socket(0x2000000000000021, 0x2, 0x10000000000002) connect$rxrpc(r5, &(0x7f0000000140)=@in4={0x21, 0x0, 0x2, 0x10, {0x2, 0x0, @rand_addr=0xdd}}, 0x24) sendmmsg(r5, &(0x7f0000005c00)=[{{0x0, 0x0, 0x0, 0x0, &(0x7f0000000000)=ANY=[@ANYBLOB="18000800000000001001000001000000ec00"], 0x12}}], 0x1, 0x0) r6 = socket$inet6(0xa, 0x3, 0x6) mmap(&(0x7f0000ffd000/0x2000)=nil, 0x2000, 0x8, 0x810, r6, 0x0) setsockopt$inet6_IPV6_FLOWLABEL_MGR(r6, 0x29, 0x20, &(0x7f0000000080)={@loopback, 0x800, 0x0, 0x100000003, 0x1, 0x0, 0x0, 0x400000000}, 0x20) setsockopt$inet6_IPV6_FLOWLABEL_MGR(r6, 0x29, 0x20, &(0x7f0000000300)={@mcast2, 0x10000, 0x0, 0x102, 0x8000003}, 0x20) setsockopt$inet6_IPV6_FLOWLABEL_MGR(r6, 0x29, 0x20, &(0x7f0000000040)={@loopback, 0x0, 0x0, 0x1, 0x3}, 0x20) connect$inet6(r6, &(0x7f0000000500)={0xa, 0x0, 0x40f7, @mcast2, 0x7ff}, 0x9) r7 = syz_open_procfs(0x0, &(0x7f0000000600)='net/ip6_flowlabel\x00n\xc01\x14\x894X\xed\xc1\xc9\xd8\xdcK\r\x8d\xae\x98&@\xd0\xe6\xbbQ\xd7\xffYn\x1c\x92\xde\x0e\xaa1\x91\x98\xe9\x1f\nMCi|+\xcdw\xf0\x176Z\xf1`\xac\xf3;\xd6d2\xeb\xe5\f\x0e\x8b\xda\xf7\xfc9\xfe\xff4\xef\'\xa19q\x93\"\x7fG3\xc1E\xe6e6\xc6\xc2u\x11% \xe7+0\x97\x84;\\\xda\xc4\x80\xc3\xb18N\xbfY%\x05\xf8\x85\x89\xfc\xd2\xd7') sendfile(r6, r7, &(0x7f0000000240)=0x202, 0x4000000000dc) r8 = syz_genetlink_get_family_id$nbd(&(0x7f0000000140)='nbd\x00') ioctl$KVM_S390_UCAS_UNMAP(r7, 0x4018ae51, &(0x7f00000000c0)={0x8000, 0x7ff, 0x2}) sendmsg$NBD_CMD_RECONFIGURE(r7, &(0x7f0000000200)={&(0x7f0000000100)={0x10, 0x0, 0x0, 0x80}, 0xc, &(0x7f00000001c0)={&(0x7f0000000180)={0x1ce, r8, 0xc05, 0x70bd29, 0x25dfdbff}, 0x14}, 0x1, 0x0, 0x0, 0x4}, 0x84) sendmsg$NBD_CMD_STATUS(r5, &(0x7f00000002c0)={&(0x7f0000000180)={0x10, 0x0, 0x0, 0x1000000}, 0xc, &(0x7f0000000280)={&(0x7f00000001c0)={0x28, r8, 0x10, 0x70bd25, 0x25dfdbfb, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x5}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x28}, 0x1, 0x0, 0x0, 0x8b29ba74f3c49941}, 0x4044) r9 = openat$audio(0xffffffffffffff9c, &(0x7f0000003500)='/dev/audio\x00', 0x200000, 0x0) r10 = socket$kcm(0x2b, 0x8000000000001, 0x0) ioctl$PERF_EVENT_IOC_ENABLE(r10, 0x8912, 0x400200) r11 = openat$vcs(0xffffffffffffff9c, &(0x7f0000000000)='/dev/vcs\x00', 0x0, 0x0) r12 = socket$nl_generic(0x10, 0x3, 0x10) poll(&(0x7f0000000040)=[{r11}, {r10}, {r12}], 0x3, 0x6) sendmsg$NBD_CMD_CONNECT(r3, &(0x7f0000003600)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x80}, 0xc, &(0x7f00000035c0)={&(0x7f0000003540)={0x54, r8, 0x300, 0x70bd2b, 0x25dfdbfe, {}, [@NBD_ATTR_SOCKETS={0x2c, 0x7, [{0x8, 0x1, r9}, {0x8, 0x1, r11}, {0x8, 0x1, r0}, {0x8}, {0x8, 0x1, r0}]}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}]}, 0x54}, 0x1, 0x0, 0x0, 0x80000c0}, 0x4000000) 10:46:52 executing program 1: r0 = perf_event_open(&(0x7f0000940000)={0x2, 0x70, 0xfffffffffffffffd, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}}, 0x0, 0x0, 0xffffffffffffffff, 0x0) mmap(&(0x7f00004da000/0x1000)=nil, 0x1000, 0x0, 0x4000012, r0, 0x0) mincore(&(0x7f00003fa000/0x200000)=nil, 0x200153, &(0x7f0000000000)=""/222) 10:46:52 executing program 4: r0 = socket$kcm(0x2b, 0x8000000000001, 0x0) ioctl$PERF_EVENT_IOC_ENABLE(r0, 0x8912, 0x400200) r1 = socket$inet6(0xa, 0x3, 0x6) setsockopt$inet6_IPV6_FLOWLABEL_MGR(r1, 0x29, 0x20, &(0x7f0000000300)={@mcast2, 0x10000, 0x0, 0x102, 0x8000003}, 0x20) 10:46:52 executing program 1: r0 = perf_event_open(&(0x7f0000940000)={0x2, 0x70, 0xfffffffffffffffd, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}}, 0x0, 0x0, 0xffffffffffffffff, 0x0) mmap(&(0x7f00004da000/0x1000)=nil, 0x1000, 0x0, 0x4000012, r0, 0x0) mincore(&(0x7f00003fa000/0x200000)=nil, 0x200154, &(0x7f0000000000)=""/222) 10:46:52 executing program 3: mknod(&(0x7f0000000040)='./bus\x00', 0x2000000000001003, 0x0) r0 = open(&(0x7f0000000100)='./bus\x00', 0x20000000000b04, 0x0) r1 = epoll_create(0x7) epoll_ctl$EPOLL_CTL_ADD(r1, 0x1, r0, &(0x7f00000001c0)) r2 = socket$kcm(0x2b, 0x8000000000001, 0x0) ioctl$PERF_EVENT_IOC_ENABLE(r2, 0x8912, 0x400200) r3 = openat$vcs(0xffffffffffffff9c, &(0x7f0000000000)='/dev/vcs\x00', 0x0, 0x0) r4 = socket$nl_generic(0x10, 0x3, 0x10) poll(&(0x7f0000000040)=[{r3}, {r2}, {r4}], 0x3, 0x6) r5 = socket(0x2000000000000021, 0x2, 0x10000000000002) connect$rxrpc(r5, &(0x7f0000000140)=@in4={0x21, 0x0, 0x2, 0x10, {0x2, 0x0, @rand_addr=0xdd}}, 0x24) sendmmsg(r5, &(0x7f0000005c00)=[{{0x0, 0x0, 0x0, 0x0, &(0x7f0000000000)=ANY=[@ANYBLOB="18000800000000001001000001000000ec00"], 0x12}}], 0x1, 0x0) r6 = socket$inet6(0xa, 0x3, 0x6) mmap(&(0x7f0000ffd000/0x2000)=nil, 0x2000, 0x8, 0x810, r6, 0x0) setsockopt$inet6_IPV6_FLOWLABEL_MGR(r6, 0x29, 0x20, &(0x7f0000000080)={@loopback, 0x800, 0x0, 0x100000003, 0x1, 0x0, 0x0, 0x400000000}, 0x20) setsockopt$inet6_IPV6_FLOWLABEL_MGR(r6, 0x29, 0x20, &(0x7f0000000300)={@mcast2, 0x10000, 0x0, 0x102, 0x8000003}, 0x20) setsockopt$inet6_IPV6_FLOWLABEL_MGR(r6, 0x29, 0x20, &(0x7f0000000040)={@loopback, 0x0, 0x0, 0x1, 0x3}, 0x20) connect$inet6(r6, &(0x7f0000000500)={0xa, 0x0, 0x40f7, @mcast2, 0x7ff}, 0x9) r7 = syz_open_procfs(0x0, &(0x7f0000000600)='net/ip6_flowlabel\x00n\xc01\x14\x894X\xed\xc1\xc9\xd8\xdcK\r\x8d\xae\x98&@\xd0\xe6\xbbQ\xd7\xffYn\x1c\x92\xde\x0e\xaa1\x91\x98\xe9\x1f\nMCi|+\xcdw\xf0\x176Z\xf1`\xac\xf3;\xd6d2\xeb\xe5\f\x0e\x8b\xda\xf7\xfc9\xfe\xff4\xef\'\xa19q\x93\"\x7fG3\xc1E\xe6e6\xc6\xc2u\x11% \xe7+0\x97\x84;\\\xda\xc4\x80\xc3\xb18N\xbfY%\x05\xf8\x85\x89\xfc\xd2\xd7') sendfile(r6, r7, &(0x7f0000000240)=0x202, 0x4000000000dc) r8 = syz_genetlink_get_family_id$nbd(&(0x7f0000000140)='nbd\x00') ioctl$KVM_S390_UCAS_UNMAP(r7, 0x4018ae51, &(0x7f00000000c0)={0x8000, 0x7ff, 0x2}) sendmsg$NBD_CMD_RECONFIGURE(r7, &(0x7f0000000200)={&(0x7f0000000100)={0x10, 0x0, 0x0, 0x80}, 0xc, &(0x7f00000001c0)={&(0x7f0000000180)={0x1ce, r8, 0xc05, 0x70bd29, 0x25dfdbff}, 0x14}, 0x1, 0x0, 0x0, 0x4}, 0x84) sendmsg$NBD_CMD_STATUS(r5, &(0x7f00000002c0)={&(0x7f0000000180)={0x10, 0x0, 0x0, 0x1000000}, 0xc, &(0x7f0000000280)={&(0x7f00000001c0)={0x28, r8, 0x10, 0x70bd25, 0x25dfdbfb, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x5}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x28}, 0x1, 0x0, 0x0, 0x8b29ba74f3c49941}, 0x4044) r9 = openat$audio(0xffffffffffffff9c, &(0x7f0000003500)='/dev/audio\x00', 0x200000, 0x0) r10 = socket$kcm(0x2b, 0x8000000000001, 0x0) ioctl$PERF_EVENT_IOC_ENABLE(r10, 0x8912, 0x400200) r11 = openat$vcs(0xffffffffffffff9c, &(0x7f0000000000)='/dev/vcs\x00', 0x0, 0x0) r12 = socket$nl_generic(0x10, 0x3, 0x10) poll(&(0x7f0000000040)=[{r11}, {r10}, {r12}], 0x3, 0x6) sendmsg$NBD_CMD_CONNECT(r3, &(0x7f0000003600)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x80}, 0xc, &(0x7f00000035c0)={&(0x7f0000003540)={0x54, r8, 0x300, 0x70bd2b, 0x25dfdbfe, {}, [@NBD_ATTR_SOCKETS={0x2c, 0x7, [{0x8, 0x1, r9}, {0x8, 0x1, r11}, {0x8, 0x1, r0}, {0x8}, {0x8, 0x1, r0}]}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}]}, 0x54}, 0x1, 0x0, 0x0, 0x80000c0}, 0x4000000) 10:46:52 executing program 4: r0 = socket$kcm(0x2b, 0x8000000000001, 0x0) ioctl$PERF_EVENT_IOC_ENABLE(r0, 0x8912, 0x400200) r1 = socket$inet6(0xa, 0x3, 0x6) setsockopt$inet6_IPV6_FLOWLABEL_MGR(r1, 0x29, 0x20, &(0x7f0000000300)={@mcast2={0xff, 0x2, [0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x2]}, 0x10000, 0x0, 0x102, 0x8000003}, 0x20) 10:46:52 executing program 4: r0 = socket$kcm(0x2b, 0x8000000000001, 0x0) ioctl$PERF_EVENT_IOC_ENABLE(r0, 0x8912, 0x400200) r1 = socket$inet6(0xa, 0x3, 0x6) setsockopt$inet6_IPV6_FLOWLABEL_MGR(r1, 0x29, 0x20, &(0x7f0000000300)={@mcast2={0xff, 0x2, [0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x5]}, 0x10000, 0x0, 0x102, 0x8000003}, 0x20) 10:46:52 executing program 3: mknod(&(0x7f0000000040)='./bus\x00', 0x2000000000001003, 0x0) r0 = open(&(0x7f0000000100)='./bus\x00', 0x20000000000b04, 0x0) r1 = epoll_create(0x7) epoll_ctl$EPOLL_CTL_ADD(r1, 0x1, r0, &(0x7f00000001c0)) r2 = socket$kcm(0x2b, 0x8000000000001, 0x0) ioctl$PERF_EVENT_IOC_ENABLE(r2, 0x8912, 0x400200) r3 = openat$vcs(0xffffffffffffff9c, &(0x7f0000000000)='/dev/vcs\x00', 0x0, 0x0) r4 = socket$nl_generic(0x10, 0x3, 0x10) poll(&(0x7f0000000040)=[{r3}, {r2}, {r4}], 0x3, 0x6) r5 = socket(0x2000000000000021, 0x2, 0x10000000000002) connect$rxrpc(r5, &(0x7f0000000140)=@in4={0x21, 0x0, 0x2, 0x10, {0x2, 0x0, @rand_addr=0xdd}}, 0x24) sendmmsg(r5, &(0x7f0000005c00)=[{{0x0, 0x0, 0x0, 0x0, &(0x7f0000000000)=ANY=[@ANYBLOB="18000800000000001001000001000000ec00"], 0x12}}], 0x1, 0x0) r6 = socket$inet6(0xa, 0x3, 0x6) mmap(&(0x7f0000ffd000/0x2000)=nil, 0x2000, 0x8, 0x810, r6, 0x0) setsockopt$inet6_IPV6_FLOWLABEL_MGR(r6, 0x29, 0x20, &(0x7f0000000080)={@loopback, 0x800, 0x0, 0x100000003, 0x1, 0x0, 0x0, 0x400000000}, 0x20) setsockopt$inet6_IPV6_FLOWLABEL_MGR(r6, 0x29, 0x20, &(0x7f0000000300)={@mcast2, 0x10000, 0x0, 0x102, 0x8000003}, 0x20) setsockopt$inet6_IPV6_FLOWLABEL_MGR(r6, 0x29, 0x20, &(0x7f0000000040)={@loopback, 0x0, 0x0, 0x1, 0x3}, 0x20) connect$inet6(r6, &(0x7f0000000500)={0xa, 0x0, 0x40f7, @mcast2, 0x7ff}, 0x9) r7 = syz_open_procfs(0x0, &(0x7f0000000600)='net/ip6_flowlabel\x00n\xc01\x14\x894X\xed\xc1\xc9\xd8\xdcK\r\x8d\xae\x98&@\xd0\xe6\xbbQ\xd7\xffYn\x1c\x92\xde\x0e\xaa1\x91\x98\xe9\x1f\nMCi|+\xcdw\xf0\x176Z\xf1`\xac\xf3;\xd6d2\xeb\xe5\f\x0e\x8b\xda\xf7\xfc9\xfe\xff4\xef\'\xa19q\x93\"\x7fG3\xc1E\xe6e6\xc6\xc2u\x11% \xe7+0\x97\x84;\\\xda\xc4\x80\xc3\xb18N\xbfY%\x05\xf8\x85\x89\xfc\xd2\xd7') sendfile(r6, r7, &(0x7f0000000240)=0x202, 0x4000000000dc) r8 = syz_genetlink_get_family_id$nbd(&(0x7f0000000140)='nbd\x00') ioctl$KVM_S390_UCAS_UNMAP(r7, 0x4018ae51, &(0x7f00000000c0)={0x8000, 0x7ff, 0x2}) sendmsg$NBD_CMD_RECONFIGURE(r7, &(0x7f0000000200)={&(0x7f0000000100)={0x10, 0x0, 0x0, 0x80}, 0xc, &(0x7f00000001c0)={&(0x7f0000000180)={0x1ce, r8, 0xc05, 0x70bd29, 0x25dfdbff}, 0x14}, 0x1, 0x0, 0x0, 0x4}, 0x84) sendmsg$NBD_CMD_STATUS(r5, &(0x7f00000002c0)={&(0x7f0000000180)={0x10, 0x0, 0x0, 0x1000000}, 0xc, &(0x7f0000000280)={&(0x7f00000001c0)={0x28, r8, 0x10, 0x70bd25, 0x25dfdbfb, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x5}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x28}, 0x1, 0x0, 0x0, 0x8b29ba74f3c49941}, 0x4044) r9 = openat$audio(0xffffffffffffff9c, &(0x7f0000003500)='/dev/audio\x00', 0x200000, 0x0) r10 = socket$kcm(0x2b, 0x8000000000001, 0x0) ioctl$PERF_EVENT_IOC_ENABLE(r10, 0x8912, 0x400200) r11 = openat$vcs(0xffffffffffffff9c, &(0x7f0000000000)='/dev/vcs\x00', 0x0, 0x0) r12 = socket$nl_generic(0x10, 0x3, 0x10) poll(&(0x7f0000000040)=[{r11}, {r10}, {r12}], 0x3, 0x6) sendmsg$NBD_CMD_CONNECT(r3, &(0x7f0000003600)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x80}, 0xc, &(0x7f00000035c0)={&(0x7f0000003540)={0x54, r8, 0x300, 0x70bd2b, 0x25dfdbfe, {}, [@NBD_ATTR_SOCKETS={0x2c, 0x7, [{0x8, 0x1, r9}, {0x8, 0x1, r11}, {0x8, 0x1, r0}, {0x8}, {0x8, 0x1, r0}]}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}]}, 0x54}, 0x1, 0x0, 0x0, 0x80000c0}, 0x4000000) 10:46:52 executing program 1: r0 = perf_event_open(&(0x7f0000940000)={0x2, 0x70, 0xfffffffffffffffd, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}}, 0x0, 0x0, 0xffffffffffffffff, 0x0) mmap(&(0x7f00004da000/0x1000)=nil, 0x1000, 0x0, 0x4000012, r0, 0x0) mincore(&(0x7f00003fa000/0x200000)=nil, 0x200155, &(0x7f0000000000)=""/222) 10:46:53 executing program 4: r0 = socket$kcm(0x2b, 0x8000000000001, 0x0) ioctl$PERF_EVENT_IOC_ENABLE(r0, 0x8912, 0x400200) r1 = socket$inet6(0xa, 0x3, 0x6) setsockopt$inet6_IPV6_FLOWLABEL_MGR(r1, 0x29, 0x20, &(0x7f0000000300)={@mcast2, 0x10000, 0x0, 0x102, 0x8000003}, 0x20) 10:46:53 executing program 3: mknod(&(0x7f0000000040)='./bus\x00', 0x2000000000001003, 0x0) r0 = open(&(0x7f0000000100)='./bus\x00', 0x20000000000b04, 0x0) r1 = epoll_create(0x7) epoll_ctl$EPOLL_CTL_ADD(r1, 0x1, r0, &(0x7f00000001c0)) r2 = socket$kcm(0x2b, 0x8000000000001, 0x0) ioctl$PERF_EVENT_IOC_ENABLE(r2, 0x8912, 0x400200) r3 = openat$vcs(0xffffffffffffff9c, &(0x7f0000000000)='/dev/vcs\x00', 0x0, 0x0) r4 = socket$nl_generic(0x10, 0x3, 0x10) poll(&(0x7f0000000040)=[{r3}, {r2}, {r4}], 0x3, 0x6) r5 = socket(0x2000000000000021, 0x2, 0x10000000000002) connect$rxrpc(r5, &(0x7f0000000140)=@in4={0x21, 0x0, 0x2, 0x10, {0x2, 0x0, @rand_addr=0xdd}}, 0x24) sendmmsg(r5, &(0x7f0000005c00)=[{{0x0, 0x0, 0x0, 0x0, &(0x7f0000000000)=ANY=[@ANYBLOB="18000800000000001001000001000000ec00000000"], 0x15}}], 0x1, 0x0) r6 = socket$inet6(0xa, 0x3, 0x6) mmap(&(0x7f0000ffd000/0x2000)=nil, 0x2000, 0x8, 0x810, r6, 0x0) setsockopt$inet6_IPV6_FLOWLABEL_MGR(r6, 0x29, 0x20, &(0x7f0000000080)={@loopback, 0x800, 0x0, 0x100000003, 0x1, 0x0, 0x0, 0x400000000}, 0x20) setsockopt$inet6_IPV6_FLOWLABEL_MGR(r6, 0x29, 0x20, &(0x7f0000000300)={@mcast2, 0x10000, 0x0, 0x102, 0x8000003}, 0x20) setsockopt$inet6_IPV6_FLOWLABEL_MGR(r6, 0x29, 0x20, &(0x7f0000000040)={@loopback, 0x0, 0x0, 0x1, 0x3}, 0x20) connect$inet6(r6, &(0x7f0000000500)={0xa, 0x0, 0x40f7, @mcast2, 0x7ff}, 0x9) r7 = syz_open_procfs(0x0, &(0x7f0000000600)='net/ip6_flowlabel\x00n\xc01\x14\x894X\xed\xc1\xc9\xd8\xdcK\r\x8d\xae\x98&@\xd0\xe6\xbbQ\xd7\xffYn\x1c\x92\xde\x0e\xaa1\x91\x98\xe9\x1f\nMCi|+\xcdw\xf0\x176Z\xf1`\xac\xf3;\xd6d2\xeb\xe5\f\x0e\x8b\xda\xf7\xfc9\xfe\xff4\xef\'\xa19q\x93\"\x7fG3\xc1E\xe6e6\xc6\xc2u\x11% \xe7+0\x97\x84;\\\xda\xc4\x80\xc3\xb18N\xbfY%\x05\xf8\x85\x89\xfc\xd2\xd7') sendfile(r6, r7, &(0x7f0000000240)=0x202, 0x4000000000dc) r8 = syz_genetlink_get_family_id$nbd(&(0x7f0000000140)='nbd\x00') ioctl$KVM_S390_UCAS_UNMAP(r7, 0x4018ae51, &(0x7f00000000c0)={0x8000, 0x7ff, 0x2}) sendmsg$NBD_CMD_RECONFIGURE(r7, &(0x7f0000000200)={&(0x7f0000000100)={0x10, 0x0, 0x0, 0x80}, 0xc, &(0x7f00000001c0)={&(0x7f0000000180)={0x1ce, r8, 0xc05, 0x70bd29, 0x25dfdbff}, 0x14}, 0x1, 0x0, 0x0, 0x4}, 0x84) sendmsg$NBD_CMD_STATUS(r5, &(0x7f00000002c0)={&(0x7f0000000180)={0x10, 0x0, 0x0, 0x1000000}, 0xc, &(0x7f0000000280)={&(0x7f00000001c0)={0x28, r8, 0x10, 0x70bd25, 0x25dfdbfb, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x5}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x28}, 0x1, 0x0, 0x0, 0x8b29ba74f3c49941}, 0x4044) r9 = openat$audio(0xffffffffffffff9c, &(0x7f0000003500)='/dev/audio\x00', 0x200000, 0x0) r10 = socket$kcm(0x2b, 0x8000000000001, 0x0) ioctl$PERF_EVENT_IOC_ENABLE(r10, 0x8912, 0x400200) r11 = openat$vcs(0xffffffffffffff9c, &(0x7f0000000000)='/dev/vcs\x00', 0x0, 0x0) r12 = socket$nl_generic(0x10, 0x3, 0x10) poll(&(0x7f0000000040)=[{r11}, {r10}, {r12}], 0x3, 0x6) sendmsg$NBD_CMD_CONNECT(r3, &(0x7f0000003600)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x80}, 0xc, &(0x7f00000035c0)={&(0x7f0000003540)={0x54, r8, 0x300, 0x70bd2b, 0x25dfdbfe, {}, [@NBD_ATTR_SOCKETS={0x2c, 0x7, [{0x8, 0x1, r9}, {0x8, 0x1, r11}, {0x8, 0x1, r0}, {0x8}, {0x8, 0x1, r0}]}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}]}, 0x54}, 0x1, 0x0, 0x0, 0x80000c0}, 0x4000000) 10:46:53 executing program 1: r0 = perf_event_open(&(0x7f0000940000)={0x2, 0x70, 0xfffffffffffffffd, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}}, 0x0, 0x0, 0xffffffffffffffff, 0x0) mmap(&(0x7f00004da000/0x1000)=nil, 0x1000, 0x0, 0x4000012, r0, 0x0) mincore(&(0x7f00003fa000/0x200000)=nil, 0x200156, &(0x7f0000000000)=""/222) 10:46:53 executing program 4: r0 = socket$kcm(0x2b, 0x8000000000001, 0x0) ioctl$PERF_EVENT_IOC_ENABLE(r0, 0x8912, 0x400200) r1 = socket$inet6(0xa, 0x3, 0x6) setsockopt$inet6_IPV6_FLOWLABEL_MGR(r1, 0x29, 0x20, &(0x7f0000000300)={@mcast2={0xff, 0x2, [0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x2]}, 0x10000, 0x0, 0x102, 0x8000003}, 0x20) 10:46:53 executing program 3: mknod(&(0x7f0000000040)='./bus\x00', 0x2000000000001003, 0x0) r0 = open(&(0x7f0000000100)='./bus\x00', 0x20000000000b04, 0x0) r1 = epoll_create(0x7) epoll_ctl$EPOLL_CTL_ADD(r1, 0x1, r0, &(0x7f00000001c0)) r2 = socket$kcm(0x2b, 0x8000000000001, 0x0) ioctl$PERF_EVENT_IOC_ENABLE(r2, 0x8912, 0x400200) r3 = openat$vcs(0xffffffffffffff9c, &(0x7f0000000000)='/dev/vcs\x00', 0x0, 0x0) r4 = socket$nl_generic(0x10, 0x3, 0x10) poll(&(0x7f0000000040)=[{r3}, {r2}, {r4}], 0x3, 0x6) r5 = socket(0x2000000000000021, 0x2, 0x10000000000002) connect$rxrpc(r5, &(0x7f0000000140)=@in4={0x21, 0x0, 0x2, 0x10, {0x2, 0x0, @rand_addr=0xdd}}, 0x24) sendmmsg(r5, &(0x7f0000005c00)=[{{0x0, 0x0, 0x0, 0x0, &(0x7f0000000000)=ANY=[@ANYBLOB="18000800000000001001000001000000ec00000000"], 0x15}}], 0x1, 0x0) r6 = socket$inet6(0xa, 0x3, 0x6) mmap(&(0x7f0000ffd000/0x2000)=nil, 0x2000, 0x8, 0x810, r6, 0x0) setsockopt$inet6_IPV6_FLOWLABEL_MGR(r6, 0x29, 0x20, &(0x7f0000000080)={@loopback, 0x800, 0x0, 0x100000003, 0x1, 0x0, 0x0, 0x400000000}, 0x20) setsockopt$inet6_IPV6_FLOWLABEL_MGR(r6, 0x29, 0x20, &(0x7f0000000300)={@mcast2, 0x10000, 0x0, 0x102, 0x8000003}, 0x20) setsockopt$inet6_IPV6_FLOWLABEL_MGR(r6, 0x29, 0x20, &(0x7f0000000040)={@loopback, 0x0, 0x0, 0x1, 0x3}, 0x20) connect$inet6(r6, &(0x7f0000000500)={0xa, 0x0, 0x40f7, @mcast2, 0x7ff}, 0x9) r7 = syz_open_procfs(0x0, &(0x7f0000000600)='net/ip6_flowlabel\x00n\xc01\x14\x894X\xed\xc1\xc9\xd8\xdcK\r\x8d\xae\x98&@\xd0\xe6\xbbQ\xd7\xffYn\x1c\x92\xde\x0e\xaa1\x91\x98\xe9\x1f\nMCi|+\xcdw\xf0\x176Z\xf1`\xac\xf3;\xd6d2\xeb\xe5\f\x0e\x8b\xda\xf7\xfc9\xfe\xff4\xef\'\xa19q\x93\"\x7fG3\xc1E\xe6e6\xc6\xc2u\x11% \xe7+0\x97\x84;\\\xda\xc4\x80\xc3\xb18N\xbfY%\x05\xf8\x85\x89\xfc\xd2\xd7') sendfile(r6, r7, &(0x7f0000000240)=0x202, 0x4000000000dc) r8 = syz_genetlink_get_family_id$nbd(&(0x7f0000000140)='nbd\x00') ioctl$KVM_S390_UCAS_UNMAP(r7, 0x4018ae51, &(0x7f00000000c0)={0x8000, 0x7ff, 0x2}) sendmsg$NBD_CMD_RECONFIGURE(r7, &(0x7f0000000200)={&(0x7f0000000100)={0x10, 0x0, 0x0, 0x80}, 0xc, &(0x7f00000001c0)={&(0x7f0000000180)={0x1ce, r8, 0xc05, 0x70bd29, 0x25dfdbff}, 0x14}, 0x1, 0x0, 0x0, 0x4}, 0x84) sendmsg$NBD_CMD_STATUS(r5, &(0x7f00000002c0)={&(0x7f0000000180)={0x10, 0x0, 0x0, 0x1000000}, 0xc, &(0x7f0000000280)={&(0x7f00000001c0)={0x28, r8, 0x10, 0x70bd25, 0x25dfdbfb, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x5}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x28}, 0x1, 0x0, 0x0, 0x8b29ba74f3c49941}, 0x4044) r9 = openat$audio(0xffffffffffffff9c, &(0x7f0000003500)='/dev/audio\x00', 0x200000, 0x0) r10 = socket$kcm(0x2b, 0x8000000000001, 0x0) ioctl$PERF_EVENT_IOC_ENABLE(r10, 0x8912, 0x400200) r11 = openat$vcs(0xffffffffffffff9c, &(0x7f0000000000)='/dev/vcs\x00', 0x0, 0x0) r12 = socket$nl_generic(0x10, 0x3, 0x10) poll(&(0x7f0000000040)=[{r11}, {r10}, {r12}], 0x3, 0x6) sendmsg$NBD_CMD_CONNECT(r3, &(0x7f0000003600)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x80}, 0xc, &(0x7f00000035c0)={&(0x7f0000003540)={0x54, r8, 0x300, 0x70bd2b, 0x25dfdbfe, {}, [@NBD_ATTR_SOCKETS={0x2c, 0x7, [{0x8, 0x1, r9}, {0x8, 0x1, r11}, {0x8, 0x1, r0}, {0x8}, {0x8, 0x1, r0}]}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}]}, 0x54}, 0x1, 0x0, 0x0, 0x80000c0}, 0x4000000) 10:46:53 executing program 4: r0 = socket$kcm(0x2b, 0x8000000000001, 0x0) ioctl$PERF_EVENT_IOC_ENABLE(r0, 0x8912, 0x400200) r1 = socket$inet6(0xa, 0x3, 0x6) setsockopt$inet6_IPV6_FLOWLABEL_MGR(r1, 0x29, 0x20, &(0x7f0000000300)={@mcast2={0xff, 0x2, [0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x5]}, 0x10000, 0x0, 0x102, 0x8000003}, 0x20) 10:46:53 executing program 1: r0 = perf_event_open(&(0x7f0000940000)={0x2, 0x70, 0xfffffffffffffffd, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}}, 0x0, 0x0, 0xffffffffffffffff, 0x0) mmap(&(0x7f00004da000/0x1000)=nil, 0x1000, 0x0, 0x4000012, r0, 0x0) mincore(&(0x7f00003fa000/0x200000)=nil, 0x200157, &(0x7f0000000000)=""/222) 10:46:53 executing program 3: mknod(&(0x7f0000000040)='./bus\x00', 0x2000000000001003, 0x0) r0 = open(&(0x7f0000000100)='./bus\x00', 0x20000000000b04, 0x0) r1 = epoll_create(0x7) epoll_ctl$EPOLL_CTL_ADD(r1, 0x1, r0, &(0x7f00000001c0)) r2 = socket$kcm(0x2b, 0x8000000000001, 0x0) ioctl$PERF_EVENT_IOC_ENABLE(r2, 0x8912, 0x400200) r3 = openat$vcs(0xffffffffffffff9c, &(0x7f0000000000)='/dev/vcs\x00', 0x0, 0x0) r4 = socket$nl_generic(0x10, 0x3, 0x10) poll(&(0x7f0000000040)=[{r3}, {r2}, {r4}], 0x3, 0x6) r5 = socket(0x2000000000000021, 0x2, 0x10000000000002) connect$rxrpc(r5, &(0x7f0000000140)=@in4={0x21, 0x0, 0x2, 0x10, {0x2, 0x0, @rand_addr=0xdd}}, 0x24) sendmmsg(r5, &(0x7f0000005c00)=[{{0x0, 0x0, 0x0, 0x0, &(0x7f0000000000)=ANY=[@ANYBLOB="18000800000000001001000001000000ec00000000"], 0x15}}], 0x1, 0x0) r6 = socket$inet6(0xa, 0x3, 0x6) mmap(&(0x7f0000ffd000/0x2000)=nil, 0x2000, 0x8, 0x810, r6, 0x0) setsockopt$inet6_IPV6_FLOWLABEL_MGR(r6, 0x29, 0x20, &(0x7f0000000080)={@loopback, 0x800, 0x0, 0x100000003, 0x1, 0x0, 0x0, 0x400000000}, 0x20) setsockopt$inet6_IPV6_FLOWLABEL_MGR(r6, 0x29, 0x20, &(0x7f0000000300)={@mcast2, 0x10000, 0x0, 0x102, 0x8000003}, 0x20) setsockopt$inet6_IPV6_FLOWLABEL_MGR(r6, 0x29, 0x20, &(0x7f0000000040)={@loopback, 0x0, 0x0, 0x1, 0x3}, 0x20) connect$inet6(r6, &(0x7f0000000500)={0xa, 0x0, 0x40f7, @mcast2, 0x7ff}, 0x9) r7 = syz_open_procfs(0x0, &(0x7f0000000600)='net/ip6_flowlabel\x00n\xc01\x14\x894X\xed\xc1\xc9\xd8\xdcK\r\x8d\xae\x98&@\xd0\xe6\xbbQ\xd7\xffYn\x1c\x92\xde\x0e\xaa1\x91\x98\xe9\x1f\nMCi|+\xcdw\xf0\x176Z\xf1`\xac\xf3;\xd6d2\xeb\xe5\f\x0e\x8b\xda\xf7\xfc9\xfe\xff4\xef\'\xa19q\x93\"\x7fG3\xc1E\xe6e6\xc6\xc2u\x11% \xe7+0\x97\x84;\\\xda\xc4\x80\xc3\xb18N\xbfY%\x05\xf8\x85\x89\xfc\xd2\xd7') sendfile(r6, r7, &(0x7f0000000240)=0x202, 0x4000000000dc) r8 = syz_genetlink_get_family_id$nbd(&(0x7f0000000140)='nbd\x00') ioctl$KVM_S390_UCAS_UNMAP(r7, 0x4018ae51, &(0x7f00000000c0)={0x8000, 0x7ff, 0x2}) sendmsg$NBD_CMD_RECONFIGURE(r7, &(0x7f0000000200)={&(0x7f0000000100)={0x10, 0x0, 0x0, 0x80}, 0xc, &(0x7f00000001c0)={&(0x7f0000000180)={0x1ce, r8, 0xc05, 0x70bd29, 0x25dfdbff}, 0x14}, 0x1, 0x0, 0x0, 0x4}, 0x84) sendmsg$NBD_CMD_STATUS(r5, &(0x7f00000002c0)={&(0x7f0000000180)={0x10, 0x0, 0x0, 0x1000000}, 0xc, &(0x7f0000000280)={&(0x7f00000001c0)={0x28, r8, 0x10, 0x70bd25, 0x25dfdbfb, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x5}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x28}, 0x1, 0x0, 0x0, 0x8b29ba74f3c49941}, 0x4044) r9 = openat$audio(0xffffffffffffff9c, &(0x7f0000003500)='/dev/audio\x00', 0x200000, 0x0) r10 = socket$kcm(0x2b, 0x8000000000001, 0x0) ioctl$PERF_EVENT_IOC_ENABLE(r10, 0x8912, 0x400200) r11 = openat$vcs(0xffffffffffffff9c, &(0x7f0000000000)='/dev/vcs\x00', 0x0, 0x0) r12 = socket$nl_generic(0x10, 0x3, 0x10) poll(&(0x7f0000000040)=[{r11}, {r10}, {r12}], 0x3, 0x6) sendmsg$NBD_CMD_CONNECT(r3, &(0x7f0000003600)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x80}, 0xc, &(0x7f00000035c0)={&(0x7f0000003540)={0x54, r8, 0x300, 0x70bd2b, 0x25dfdbfe, {}, [@NBD_ATTR_SOCKETS={0x2c, 0x7, [{0x8, 0x1, r9}, {0x8, 0x1, r11}, {0x8, 0x1, r0}, {0x8}, {0x8, 0x1, r0}]}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}]}, 0x54}, 0x1, 0x0, 0x0, 0x80000c0}, 0x4000000) 10:46:53 executing program 4: r0 = socket$kcm(0x2b, 0x8000000000001, 0x0) ioctl$PERF_EVENT_IOC_ENABLE(r0, 0x8912, 0x400200) r1 = socket$inet6(0xa, 0x3, 0x6) setsockopt$inet6_IPV6_FLOWLABEL_MGR(r1, 0x29, 0x20, &(0x7f0000000300)={@mcast2, 0x10000, 0x0, 0x102, 0x8000003}, 0x20) 10:46:53 executing program 1: r0 = perf_event_open(&(0x7f0000940000)={0x2, 0x70, 0xfffffffffffffffd, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}}, 0x0, 0x0, 0xffffffffffffffff, 0x0) mmap(&(0x7f00004da000/0x1000)=nil, 0x1000, 0x0, 0x4000012, r0, 0x0) mincore(&(0x7f00003fa000/0x200000)=nil, 0x200158, &(0x7f0000000000)=""/222) 10:46:53 executing program 4: r0 = socket$kcm(0x2b, 0x8000000000001, 0x0) ioctl$PERF_EVENT_IOC_ENABLE(r0, 0x8912, 0x400200) r1 = socket$inet6(0xa, 0x3, 0x6) setsockopt$inet6_IPV6_FLOWLABEL_MGR(r1, 0x29, 0x20, &(0x7f0000000300)={@mcast2={0xff, 0x2, [0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x2]}, 0x10000, 0x0, 0x102, 0x8000003}, 0x20) 10:46:53 executing program 3: mknod(&(0x7f0000000040)='./bus\x00', 0x2000000000001003, 0x0) r0 = open(&(0x7f0000000100)='./bus\x00', 0x20000000000b04, 0x0) r1 = epoll_create(0x7) epoll_ctl$EPOLL_CTL_ADD(r1, 0x1, r0, &(0x7f00000001c0)) r2 = socket$kcm(0x2b, 0x8000000000001, 0x0) ioctl$PERF_EVENT_IOC_ENABLE(r2, 0x8912, 0x400200) r3 = openat$vcs(0xffffffffffffff9c, &(0x7f0000000000)='/dev/vcs\x00', 0x0, 0x0) r4 = socket$nl_generic(0x10, 0x3, 0x10) poll(&(0x7f0000000040)=[{r3}, {r2}, {r4}], 0x3, 0x6) r5 = socket(0x2000000000000021, 0x2, 0x10000000000002) connect$rxrpc(r5, &(0x7f0000000140)=@in4={0x21, 0x0, 0x2, 0x10, {0x2, 0x0, @rand_addr=0xdd}}, 0x24) sendmmsg(r5, &(0x7f0000005c00)=[{{0x0, 0x0, 0x0, 0x0, &(0x7f0000000000)=ANY=[@ANYBLOB="18000800000000001001000001000000ec000000000000"], 0x17}}], 0x1, 0x0) r6 = socket$inet6(0xa, 0x3, 0x6) mmap(&(0x7f0000ffd000/0x2000)=nil, 0x2000, 0x8, 0x810, r6, 0x0) setsockopt$inet6_IPV6_FLOWLABEL_MGR(r6, 0x29, 0x20, &(0x7f0000000080)={@loopback, 0x800, 0x0, 0x100000003, 0x1, 0x0, 0x0, 0x400000000}, 0x20) setsockopt$inet6_IPV6_FLOWLABEL_MGR(r6, 0x29, 0x20, &(0x7f0000000300)={@mcast2, 0x10000, 0x0, 0x102, 0x8000003}, 0x20) setsockopt$inet6_IPV6_FLOWLABEL_MGR(r6, 0x29, 0x20, &(0x7f0000000040)={@loopback, 0x0, 0x0, 0x1, 0x3}, 0x20) connect$inet6(r6, &(0x7f0000000500)={0xa, 0x0, 0x40f7, @mcast2, 0x7ff}, 0x9) r7 = syz_open_procfs(0x0, &(0x7f0000000600)='net/ip6_flowlabel\x00n\xc01\x14\x894X\xed\xc1\xc9\xd8\xdcK\r\x8d\xae\x98&@\xd0\xe6\xbbQ\xd7\xffYn\x1c\x92\xde\x0e\xaa1\x91\x98\xe9\x1f\nMCi|+\xcdw\xf0\x176Z\xf1`\xac\xf3;\xd6d2\xeb\xe5\f\x0e\x8b\xda\xf7\xfc9\xfe\xff4\xef\'\xa19q\x93\"\x7fG3\xc1E\xe6e6\xc6\xc2u\x11% \xe7+0\x97\x84;\\\xda\xc4\x80\xc3\xb18N\xbfY%\x05\xf8\x85\x89\xfc\xd2\xd7') sendfile(r6, r7, &(0x7f0000000240)=0x202, 0x4000000000dc) r8 = syz_genetlink_get_family_id$nbd(&(0x7f0000000140)='nbd\x00') ioctl$KVM_S390_UCAS_UNMAP(r7, 0x4018ae51, &(0x7f00000000c0)={0x8000, 0x7ff, 0x2}) sendmsg$NBD_CMD_RECONFIGURE(r7, &(0x7f0000000200)={&(0x7f0000000100)={0x10, 0x0, 0x0, 0x80}, 0xc, &(0x7f00000001c0)={&(0x7f0000000180)={0x1ce, r8, 0xc05, 0x70bd29, 0x25dfdbff}, 0x14}, 0x1, 0x0, 0x0, 0x4}, 0x84) sendmsg$NBD_CMD_STATUS(r5, &(0x7f00000002c0)={&(0x7f0000000180)={0x10, 0x0, 0x0, 0x1000000}, 0xc, &(0x7f0000000280)={&(0x7f00000001c0)={0x28, r8, 0x10, 0x70bd25, 0x25dfdbfb, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x5}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x28}, 0x1, 0x0, 0x0, 0x8b29ba74f3c49941}, 0x4044) r9 = openat$audio(0xffffffffffffff9c, &(0x7f0000003500)='/dev/audio\x00', 0x200000, 0x0) r10 = socket$kcm(0x2b, 0x8000000000001, 0x0) ioctl$PERF_EVENT_IOC_ENABLE(r10, 0x8912, 0x400200) r11 = openat$vcs(0xffffffffffffff9c, &(0x7f0000000000)='/dev/vcs\x00', 0x0, 0x0) r12 = socket$nl_generic(0x10, 0x3, 0x10) poll(&(0x7f0000000040)=[{r11}, {r10}, {r12}], 0x3, 0x6) sendmsg$NBD_CMD_CONNECT(r3, &(0x7f0000003600)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x80}, 0xc, &(0x7f00000035c0)={&(0x7f0000003540)={0x54, r8, 0x300, 0x70bd2b, 0x25dfdbfe, {}, [@NBD_ATTR_SOCKETS={0x2c, 0x7, [{0x8, 0x1, r9}, {0x8, 0x1, r11}, {0x8, 0x1, r0}, {0x8}, {0x8, 0x1, r0}]}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}]}, 0x54}, 0x1, 0x0, 0x0, 0x80000c0}, 0x4000000) 10:46:54 executing program 1: r0 = perf_event_open(&(0x7f0000940000)={0x2, 0x70, 0xfffffffffffffffd, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}}, 0x0, 0x0, 0xffffffffffffffff, 0x0) mmap(&(0x7f00004da000/0x1000)=nil, 0x1000, 0x0, 0x4000012, r0, 0x0) mincore(&(0x7f00003fa000/0x200000)=nil, 0x200159, &(0x7f0000000000)=""/222) 10:46:54 executing program 4: r0 = socket$kcm(0x2b, 0x8000000000001, 0x0) ioctl$PERF_EVENT_IOC_ENABLE(r0, 0x8912, 0x400200) r1 = socket$inet6(0xa, 0x3, 0x6) setsockopt$inet6_IPV6_FLOWLABEL_MGR(r1, 0x29, 0x20, &(0x7f0000000300)={@mcast2={0xff, 0x2, [0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x5]}, 0x10000, 0x0, 0x102, 0x8000003}, 0x20) [ 959.659213][ C1] net_ratelimit: 12 callbacks suppressed [ 959.659223][ C1] protocol 88fb is buggy, dev hsr_slave_0 [ 959.670716][ C1] protocol 88fb is buggy, dev hsr_slave_1 10:46:54 executing program 3: mknod(&(0x7f0000000040)='./bus\x00', 0x2000000000001003, 0x0) r0 = open(&(0x7f0000000100)='./bus\x00', 0x20000000000b04, 0x0) r1 = epoll_create(0x7) epoll_ctl$EPOLL_CTL_ADD(r1, 0x1, r0, &(0x7f00000001c0)) r2 = socket$kcm(0x2b, 0x8000000000001, 0x0) ioctl$PERF_EVENT_IOC_ENABLE(r2, 0x8912, 0x400200) r3 = openat$vcs(0xffffffffffffff9c, &(0x7f0000000000)='/dev/vcs\x00', 0x0, 0x0) r4 = socket$nl_generic(0x10, 0x3, 0x10) poll(&(0x7f0000000040)=[{r3}, {r2}, {r4}], 0x3, 0x6) r5 = socket(0x2000000000000021, 0x2, 0x10000000000002) connect$rxrpc(r5, &(0x7f0000000140)=@in4={0x21, 0x0, 0x2, 0x10, {0x2, 0x0, @rand_addr=0xdd}}, 0x24) sendmmsg(r5, &(0x7f0000005c00)=[{{0x0, 0x0, 0x0, 0x0, &(0x7f0000000000)=ANY=[@ANYBLOB="18000800000000001001000001000000ec000000000000"], 0x17}}], 0x1, 0x0) r6 = socket$inet6(0xa, 0x3, 0x6) mmap(&(0x7f0000ffd000/0x2000)=nil, 0x2000, 0x8, 0x810, r6, 0x0) setsockopt$inet6_IPV6_FLOWLABEL_MGR(r6, 0x29, 0x20, &(0x7f0000000080)={@loopback, 0x800, 0x0, 0x100000003, 0x1, 0x0, 0x0, 0x400000000}, 0x20) setsockopt$inet6_IPV6_FLOWLABEL_MGR(r6, 0x29, 0x20, &(0x7f0000000300)={@mcast2, 0x10000, 0x0, 0x102, 0x8000003}, 0x20) setsockopt$inet6_IPV6_FLOWLABEL_MGR(r6, 0x29, 0x20, &(0x7f0000000040)={@loopback, 0x0, 0x0, 0x1, 0x3}, 0x20) connect$inet6(r6, &(0x7f0000000500)={0xa, 0x0, 0x40f7, @mcast2, 0x7ff}, 0x9) r7 = syz_open_procfs(0x0, &(0x7f0000000600)='net/ip6_flowlabel\x00n\xc01\x14\x894X\xed\xc1\xc9\xd8\xdcK\r\x8d\xae\x98&@\xd0\xe6\xbbQ\xd7\xffYn\x1c\x92\xde\x0e\xaa1\x91\x98\xe9\x1f\nMCi|+\xcdw\xf0\x176Z\xf1`\xac\xf3;\xd6d2\xeb\xe5\f\x0e\x8b\xda\xf7\xfc9\xfe\xff4\xef\'\xa19q\x93\"\x7fG3\xc1E\xe6e6\xc6\xc2u\x11% \xe7+0\x97\x84;\\\xda\xc4\x80\xc3\xb18N\xbfY%\x05\xf8\x85\x89\xfc\xd2\xd7') sendfile(r6, r7, &(0x7f0000000240)=0x202, 0x4000000000dc) r8 = syz_genetlink_get_family_id$nbd(&(0x7f0000000140)='nbd\x00') ioctl$KVM_S390_UCAS_UNMAP(r7, 0x4018ae51, &(0x7f00000000c0)={0x8000, 0x7ff, 0x2}) sendmsg$NBD_CMD_RECONFIGURE(r7, &(0x7f0000000200)={&(0x7f0000000100)={0x10, 0x0, 0x0, 0x80}, 0xc, &(0x7f00000001c0)={&(0x7f0000000180)={0x1ce, r8, 0xc05, 0x70bd29, 0x25dfdbff}, 0x14}, 0x1, 0x0, 0x0, 0x4}, 0x84) sendmsg$NBD_CMD_STATUS(r5, &(0x7f00000002c0)={&(0x7f0000000180)={0x10, 0x0, 0x0, 0x1000000}, 0xc, &(0x7f0000000280)={&(0x7f00000001c0)={0x28, r8, 0x10, 0x70bd25, 0x25dfdbfb, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x5}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x28}, 0x1, 0x0, 0x0, 0x8b29ba74f3c49941}, 0x4044) r9 = openat$audio(0xffffffffffffff9c, &(0x7f0000003500)='/dev/audio\x00', 0x200000, 0x0) r10 = socket$kcm(0x2b, 0x8000000000001, 0x0) ioctl$PERF_EVENT_IOC_ENABLE(r10, 0x8912, 0x400200) r11 = openat$vcs(0xffffffffffffff9c, &(0x7f0000000000)='/dev/vcs\x00', 0x0, 0x0) r12 = socket$nl_generic(0x10, 0x3, 0x10) poll(&(0x7f0000000040)=[{r11}, {r10}, {r12}], 0x3, 0x6) sendmsg$NBD_CMD_CONNECT(r3, &(0x7f0000003600)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x80}, 0xc, &(0x7f00000035c0)={&(0x7f0000003540)={0x54, r8, 0x300, 0x70bd2b, 0x25dfdbfe, {}, [@NBD_ATTR_SOCKETS={0x2c, 0x7, [{0x8, 0x1, r9}, {0x8, 0x1, r11}, {0x8, 0x1, r0}, {0x8}, {0x8, 0x1, r0}]}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}]}, 0x54}, 0x1, 0x0, 0x0, 0x80000c0}, 0x4000000) 10:46:54 executing program 4: r0 = socket$kcm(0x2b, 0x8000000000001, 0x0) ioctl$PERF_EVENT_IOC_ENABLE(r0, 0x8912, 0x400200) r1 = socket$inet6(0xa, 0x3, 0x6) setsockopt$inet6_IPV6_FLOWLABEL_MGR(r1, 0x29, 0x20, &(0x7f0000000300)={@mcast2, 0x10000, 0x0, 0x102, 0x8000003}, 0x20) 10:46:54 executing program 1: r0 = perf_event_open(&(0x7f0000940000)={0x2, 0x70, 0xfffffffffffffffd, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}}, 0x0, 0x0, 0xffffffffffffffff, 0x0) mmap(&(0x7f00004da000/0x1000)=nil, 0x1000, 0x0, 0x4000012, r0, 0x0) mincore(&(0x7f00003fa000/0x200000)=nil, 0x20015a, &(0x7f0000000000)=""/222) 10:46:54 executing program 4: r0 = socket$kcm(0x2b, 0x8000000000001, 0x0) ioctl$PERF_EVENT_IOC_ENABLE(r0, 0x8912, 0x400200) r1 = socket$inet6(0xa, 0x3, 0x6) setsockopt$inet6_IPV6_FLOWLABEL_MGR(r1, 0x29, 0x20, &(0x7f0000000300)={@mcast2={0xff, 0x2, [0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x2]}, 0x10000, 0x0, 0x102, 0x8000003}, 0x20) 10:46:54 executing program 3: mknod(&(0x7f0000000040)='./bus\x00', 0x2000000000001003, 0x0) r0 = open(&(0x7f0000000100)='./bus\x00', 0x20000000000b04, 0x0) r1 = epoll_create(0x7) epoll_ctl$EPOLL_CTL_ADD(r1, 0x1, r0, &(0x7f00000001c0)) r2 = socket$kcm(0x2b, 0x8000000000001, 0x0) ioctl$PERF_EVENT_IOC_ENABLE(r2, 0x8912, 0x400200) r3 = openat$vcs(0xffffffffffffff9c, &(0x7f0000000000)='/dev/vcs\x00', 0x0, 0x0) r4 = socket$nl_generic(0x10, 0x3, 0x10) poll(&(0x7f0000000040)=[{r3}, {r2}, {r4}], 0x3, 0x6) r5 = socket(0x2000000000000021, 0x2, 0x10000000000002) connect$rxrpc(r5, &(0x7f0000000140)=@in4={0x21, 0x0, 0x2, 0x10, {0x2, 0x0, @rand_addr=0xdd}}, 0x24) sendmmsg(r5, &(0x7f0000005c00)=[{{0x0, 0x0, 0x0, 0x0, &(0x7f0000000000)=ANY=[@ANYBLOB="18000800000000001001000001000000ec000000000000"], 0x17}}], 0x1, 0x0) r6 = socket$inet6(0xa, 0x3, 0x6) mmap(&(0x7f0000ffd000/0x2000)=nil, 0x2000, 0x8, 0x810, r6, 0x0) setsockopt$inet6_IPV6_FLOWLABEL_MGR(r6, 0x29, 0x20, &(0x7f0000000080)={@loopback, 0x800, 0x0, 0x100000003, 0x1, 0x0, 0x0, 0x400000000}, 0x20) setsockopt$inet6_IPV6_FLOWLABEL_MGR(r6, 0x29, 0x20, &(0x7f0000000300)={@mcast2, 0x10000, 0x0, 0x102, 0x8000003}, 0x20) setsockopt$inet6_IPV6_FLOWLABEL_MGR(r6, 0x29, 0x20, &(0x7f0000000040)={@loopback, 0x0, 0x0, 0x1, 0x3}, 0x20) connect$inet6(r6, &(0x7f0000000500)={0xa, 0x0, 0x40f7, @mcast2, 0x7ff}, 0x9) r7 = syz_open_procfs(0x0, &(0x7f0000000600)='net/ip6_flowlabel\x00n\xc01\x14\x894X\xed\xc1\xc9\xd8\xdcK\r\x8d\xae\x98&@\xd0\xe6\xbbQ\xd7\xffYn\x1c\x92\xde\x0e\xaa1\x91\x98\xe9\x1f\nMCi|+\xcdw\xf0\x176Z\xf1`\xac\xf3;\xd6d2\xeb\xe5\f\x0e\x8b\xda\xf7\xfc9\xfe\xff4\xef\'\xa19q\x93\"\x7fG3\xc1E\xe6e6\xc6\xc2u\x11% \xe7+0\x97\x84;\\\xda\xc4\x80\xc3\xb18N\xbfY%\x05\xf8\x85\x89\xfc\xd2\xd7') sendfile(r6, r7, &(0x7f0000000240)=0x202, 0x4000000000dc) r8 = syz_genetlink_get_family_id$nbd(&(0x7f0000000140)='nbd\x00') ioctl$KVM_S390_UCAS_UNMAP(r7, 0x4018ae51, &(0x7f00000000c0)={0x8000, 0x7ff, 0x2}) sendmsg$NBD_CMD_RECONFIGURE(r7, &(0x7f0000000200)={&(0x7f0000000100)={0x10, 0x0, 0x0, 0x80}, 0xc, &(0x7f00000001c0)={&(0x7f0000000180)={0x1ce, r8, 0xc05, 0x70bd29, 0x25dfdbff}, 0x14}, 0x1, 0x0, 0x0, 0x4}, 0x84) sendmsg$NBD_CMD_STATUS(r5, &(0x7f00000002c0)={&(0x7f0000000180)={0x10, 0x0, 0x0, 0x1000000}, 0xc, &(0x7f0000000280)={&(0x7f00000001c0)={0x28, r8, 0x10, 0x70bd25, 0x25dfdbfb, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x5}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x28}, 0x1, 0x0, 0x0, 0x8b29ba74f3c49941}, 0x4044) r9 = openat$audio(0xffffffffffffff9c, &(0x7f0000003500)='/dev/audio\x00', 0x200000, 0x0) r10 = socket$kcm(0x2b, 0x8000000000001, 0x0) ioctl$PERF_EVENT_IOC_ENABLE(r10, 0x8912, 0x400200) r11 = openat$vcs(0xffffffffffffff9c, &(0x7f0000000000)='/dev/vcs\x00', 0x0, 0x0) r12 = socket$nl_generic(0x10, 0x3, 0x10) poll(&(0x7f0000000040)=[{r11}, {r10}, {r12}], 0x3, 0x6) sendmsg$NBD_CMD_CONNECT(r3, &(0x7f0000003600)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x80}, 0xc, &(0x7f00000035c0)={&(0x7f0000003540)={0x54, r8, 0x300, 0x70bd2b, 0x25dfdbfe, {}, [@NBD_ATTR_SOCKETS={0x2c, 0x7, [{0x8, 0x1, r9}, {0x8, 0x1, r11}, {0x8, 0x1, r0}, {0x8}, {0x8, 0x1, r0}]}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}]}, 0x54}, 0x1, 0x0, 0x0, 0x80000c0}, 0x4000000) 10:46:54 executing program 1: r0 = perf_event_open(&(0x7f0000940000)={0x2, 0x70, 0xfffffffffffffffd, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}}, 0x0, 0x0, 0xffffffffffffffff, 0x0) mmap(&(0x7f00004da000/0x1000)=nil, 0x1000, 0x0, 0x4000012, r0, 0x0) mincore(&(0x7f00003fa000/0x200000)=nil, 0x20015b, &(0x7f0000000000)=""/222) 10:46:54 executing program 4: r0 = socket$kcm(0x2b, 0x8000000000001, 0x0) ioctl$PERF_EVENT_IOC_ENABLE(r0, 0x8912, 0x400200) r1 = socket$inet6(0xa, 0x3, 0x6) setsockopt$inet6_IPV6_FLOWLABEL_MGR(r1, 0x29, 0x20, &(0x7f0000000300)={@mcast2={0xff, 0x2, [0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x5]}, 0x10000, 0x0, 0x102, 0x8000003}, 0x20) 10:46:54 executing program 3: mknod(&(0x7f0000000040)='./bus\x00', 0x2000000000001003, 0x0) r0 = open(&(0x7f0000000100)='./bus\x00', 0x20000000000b04, 0x0) r1 = epoll_create(0x7) epoll_ctl$EPOLL_CTL_ADD(r1, 0x1, r0, &(0x7f00000001c0)) r2 = socket$kcm(0x2b, 0x8000000000001, 0x0) ioctl$PERF_EVENT_IOC_ENABLE(r2, 0x8912, 0x400200) r3 = openat$vcs(0xffffffffffffff9c, &(0x7f0000000000)='/dev/vcs\x00', 0x0, 0x0) r4 = socket$nl_generic(0x10, 0x3, 0x10) poll(&(0x7f0000000040)=[{r3}, {r2}, {r4}], 0x3, 0x6) r5 = socket(0x2000000000000021, 0x2, 0x10000000000002) connect$rxrpc(r5, &(0x7f0000000140)=@in4={0x21, 0x0, 0x2, 0x10, {0x2, 0x0, @rand_addr=0xdd}}, 0x24) sendmmsg(r5, &(0x7f0000005c00)=[{{0x0, 0xfffffffffffffd95, 0x0, 0x0, &(0x7f0000000000)=ANY=[@ANYBLOB="18000800000000001001000001000000ec00000000000000"], 0x18}}], 0x1, 0x0) r6 = socket$inet6(0xa, 0x0, 0x6) mmap(&(0x7f0000ffd000/0x2000)=nil, 0x2000, 0x8, 0x810, r6, 0x0) setsockopt$inet6_IPV6_FLOWLABEL_MGR(r6, 0x29, 0x20, &(0x7f0000000080)={@loopback, 0x800, 0x0, 0x100000003, 0x1, 0x0, 0x0, 0x400000000}, 0x20) setsockopt$inet6_IPV6_FLOWLABEL_MGR(r6, 0x29, 0x20, &(0x7f0000000300)={@mcast2, 0x10000, 0x0, 0x102, 0x8000003}, 0x20) setsockopt$inet6_IPV6_FLOWLABEL_MGR(r6, 0x29, 0x20, &(0x7f0000000040)={@loopback, 0x0, 0x0, 0x1, 0x3}, 0x20) connect$inet6(r6, &(0x7f0000000500)={0xa, 0x0, 0x40f7, @mcast2, 0x7ff}, 0x9) r7 = syz_open_procfs(0x0, &(0x7f0000000600)='net/ip6_flowlabel\x00n\xc01\x14\x894X\xed\xc1\xc9\xd8\xdcK\r\x8d\xae\x98&@\xd0\xe6\xbbQ\xd7\xffYn\x1c\x92\xde\x0e\xaa1\x91\x98\xe9\x1f\nMCi|+\xcdw\xf0\x176Z\xf1`\xac\xf3;\xd6d2\xeb\xe5\f\x0e\x8b\xda\xf7\xfc9\xfe\xff4\xef\'\xa19q\x93\"\x7fG3\xc1E\xe6e6\xc6\xc2u\x11% \xe7+0\x97\x84;\\\xda\xc4\x80\xc3\xb18N\xbfY%\x05\xf8\x85\x89\xfc\xd2\xd7') sendfile(r6, r7, &(0x7f0000000240)=0x202, 0x4000000000dc) r8 = syz_genetlink_get_family_id$nbd(&(0x7f0000000140)='nbd\x00') ioctl$KVM_S390_UCAS_UNMAP(r7, 0x4018ae51, &(0x7f00000000c0)={0x8000, 0x7ff, 0x2}) sendmsg$NBD_CMD_RECONFIGURE(r7, &(0x7f0000000200)={&(0x7f0000000100)={0x10, 0x0, 0x0, 0x80}, 0xc, &(0x7f00000001c0)={&(0x7f0000000180)={0x1ce, r8, 0xc05, 0x70bd29, 0x25dfdbff}, 0x14}, 0x1, 0x0, 0x0, 0x4}, 0x84) sendmsg$NBD_CMD_STATUS(r5, &(0x7f00000002c0)={&(0x7f0000000180)={0x10, 0x0, 0x0, 0x1000000}, 0xc, &(0x7f0000000280)={&(0x7f00000001c0)={0x28, r8, 0x10, 0x70bd25, 0x25dfdbfb, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x5}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x28}, 0x1, 0x0, 0x0, 0x8b29ba74f3c49941}, 0x4044) r9 = openat$audio(0xffffffffffffff9c, &(0x7f0000003500)='/dev/audio\x00', 0x200000, 0x0) r10 = socket$kcm(0x2b, 0x8000000000001, 0x0) ioctl$PERF_EVENT_IOC_ENABLE(r10, 0x8912, 0x400200) r11 = openat$vcs(0xffffffffffffff9c, &(0x7f0000000000)='/dev/vcs\x00', 0x0, 0x0) r12 = socket$nl_generic(0x10, 0x3, 0x10) poll(&(0x7f0000000040)=[{r11}, {r10}, {r12}], 0x3, 0x6) sendmsg$NBD_CMD_CONNECT(r3, &(0x7f0000003600)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x80}, 0xc, &(0x7f00000035c0)={&(0x7f0000003540)={0x54, r8, 0x300, 0x70bd2b, 0x25dfdbfe, {}, [@NBD_ATTR_SOCKETS={0x2c, 0x7, [{0x8, 0x1, r9}, {0x8, 0x1, r11}, {0x8, 0x1, r0}, {0x8}, {0x8, 0x1, r0}]}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}]}, 0x54}, 0x1, 0x0, 0x0, 0x80000c0}, 0x4000000) 10:46:54 executing program 4: r0 = socket$kcm(0x2b, 0x8000000000001, 0x0) ioctl$PERF_EVENT_IOC_ENABLE(r0, 0x8912, 0x400200) r1 = socket$inet6(0xa, 0x3, 0x6) setsockopt$inet6_IPV6_FLOWLABEL_MGR(r1, 0x29, 0x20, &(0x7f0000000300)={@mcast2={0xff, 0x2, [], 0x2}, 0x10000, 0x0, 0x102, 0x8000003}, 0x20) 10:46:54 executing program 1: r0 = perf_event_open(&(0x7f0000940000)={0x2, 0x70, 0xfffffffffffffffd, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}}, 0x0, 0x0, 0xffffffffffffffff, 0x0) mmap(&(0x7f00004da000/0x1000)=nil, 0x1000, 0x0, 0x4000012, r0, 0x0) mincore(&(0x7f00003fa000/0x200000)=nil, 0x20015c, &(0x7f0000000000)=""/222) 10:46:55 executing program 4: r0 = socket$kcm(0x2b, 0x8000000000001, 0x0) ioctl$PERF_EVENT_IOC_ENABLE(r0, 0x8912, 0x400200) r1 = socket$inet6(0xa, 0x3, 0x6) setsockopt$inet6_IPV6_FLOWLABEL_MGR(r1, 0x29, 0x20, &(0x7f0000000300)={@mcast2, 0x10002, 0x0, 0x102, 0x8000003}, 0x20) [ 960.539202][ C0] protocol 88fb is buggy, dev hsr_slave_0 [ 960.545008][ C0] protocol 88fb is buggy, dev hsr_slave_1 10:46:55 executing program 3: mknod(&(0x7f0000000040)='./bus\x00', 0x2000000000001003, 0x0) r0 = open(&(0x7f0000000100)='./bus\x00', 0x20000000000b04, 0x0) r1 = epoll_create(0x7) epoll_ctl$EPOLL_CTL_ADD(r1, 0x1, r0, &(0x7f00000001c0)) r2 = socket$kcm(0x2b, 0x8000000000001, 0x0) ioctl$PERF_EVENT_IOC_ENABLE(r2, 0x8912, 0x400200) r3 = openat$vcs(0xffffffffffffff9c, &(0x7f0000000000)='/dev/vcs\x00', 0x0, 0x0) r4 = socket$nl_generic(0x10, 0x3, 0x10) poll(&(0x7f0000000040)=[{r3}, {r2}, {r4}], 0x3, 0x6) r5 = socket(0x2000000000000021, 0x2, 0x10000000000002) connect$rxrpc(r5, &(0x7f0000000140)=@in4={0x21, 0x0, 0x2, 0x10, {0x2, 0x0, @rand_addr=0xdd}}, 0x24) sendmmsg(r5, &(0x7f0000005c00)=[{{0x0, 0xfffffffffffffd95, 0x0, 0x0, &(0x7f0000000000)=ANY=[@ANYBLOB="18000800000000001001000001000000ec00000000000000"], 0x18}}], 0x1, 0x0) r6 = socket$inet6(0xa, 0x0, 0x6) mmap(&(0x7f0000ffd000/0x2000)=nil, 0x2000, 0x8, 0x810, r6, 0x0) setsockopt$inet6_IPV6_FLOWLABEL_MGR(r6, 0x29, 0x20, &(0x7f0000000080)={@loopback, 0x800, 0x0, 0x100000003, 0x1, 0x0, 0x0, 0x400000000}, 0x20) setsockopt$inet6_IPV6_FLOWLABEL_MGR(r6, 0x29, 0x20, &(0x7f0000000300)={@mcast2, 0x10000, 0x0, 0x102, 0x8000003}, 0x20) setsockopt$inet6_IPV6_FLOWLABEL_MGR(r6, 0x29, 0x20, &(0x7f0000000040)={@loopback, 0x0, 0x0, 0x1, 0x3}, 0x20) connect$inet6(r6, &(0x7f0000000500)={0xa, 0x0, 0x40f7, @mcast2, 0x7ff}, 0x9) r7 = syz_open_procfs(0x0, &(0x7f0000000600)='net/ip6_flowlabel\x00n\xc01\x14\x894X\xed\xc1\xc9\xd8\xdcK\r\x8d\xae\x98&@\xd0\xe6\xbbQ\xd7\xffYn\x1c\x92\xde\x0e\xaa1\x91\x98\xe9\x1f\nMCi|+\xcdw\xf0\x176Z\xf1`\xac\xf3;\xd6d2\xeb\xe5\f\x0e\x8b\xda\xf7\xfc9\xfe\xff4\xef\'\xa19q\x93\"\x7fG3\xc1E\xe6e6\xc6\xc2u\x11% \xe7+0\x97\x84;\\\xda\xc4\x80\xc3\xb18N\xbfY%\x05\xf8\x85\x89\xfc\xd2\xd7') sendfile(r6, r7, &(0x7f0000000240)=0x202, 0x4000000000dc) r8 = syz_genetlink_get_family_id$nbd(&(0x7f0000000140)='nbd\x00') ioctl$KVM_S390_UCAS_UNMAP(r7, 0x4018ae51, &(0x7f00000000c0)={0x8000, 0x7ff, 0x2}) sendmsg$NBD_CMD_RECONFIGURE(r7, &(0x7f0000000200)={&(0x7f0000000100)={0x10, 0x0, 0x0, 0x80}, 0xc, &(0x7f00000001c0)={&(0x7f0000000180)={0x1ce, r8, 0xc05, 0x70bd29, 0x25dfdbff}, 0x14}, 0x1, 0x0, 0x0, 0x4}, 0x84) sendmsg$NBD_CMD_STATUS(r5, &(0x7f00000002c0)={&(0x7f0000000180)={0x10, 0x0, 0x0, 0x1000000}, 0xc, &(0x7f0000000280)={&(0x7f00000001c0)={0x28, r8, 0x10, 0x70bd25, 0x25dfdbfb, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x5}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x28}, 0x1, 0x0, 0x0, 0x8b29ba74f3c49941}, 0x4044) r9 = openat$audio(0xffffffffffffff9c, &(0x7f0000003500)='/dev/audio\x00', 0x200000, 0x0) r10 = socket$kcm(0x2b, 0x8000000000001, 0x0) ioctl$PERF_EVENT_IOC_ENABLE(r10, 0x8912, 0x400200) r11 = openat$vcs(0xffffffffffffff9c, &(0x7f0000000000)='/dev/vcs\x00', 0x0, 0x0) r12 = socket$nl_generic(0x10, 0x3, 0x10) poll(&(0x7f0000000040)=[{r11}, {r10}, {r12}], 0x3, 0x6) sendmsg$NBD_CMD_CONNECT(r3, &(0x7f0000003600)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x80}, 0xc, &(0x7f00000035c0)={&(0x7f0000003540)={0x54, r8, 0x300, 0x70bd2b, 0x25dfdbfe, {}, [@NBD_ATTR_SOCKETS={0x2c, 0x7, [{0x8, 0x1, r9}, {0x8, 0x1, r11}, {0x8, 0x1, r0}, {0x8}, {0x8, 0x1, r0}]}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}]}, 0x54}, 0x1, 0x0, 0x0, 0x80000c0}, 0x4000000) 10:46:55 executing program 1: r0 = perf_event_open(&(0x7f0000940000)={0x2, 0x70, 0xfffffffffffffffd, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}}, 0x0, 0x0, 0xffffffffffffffff, 0x0) mmap(&(0x7f00004da000/0x1000)=nil, 0x1000, 0x0, 0x4000012, r0, 0x0) mincore(&(0x7f00003fa000/0x200000)=nil, 0x20015d, &(0x7f0000000000)=""/222) 10:46:55 executing program 4: r0 = socket$kcm(0x2b, 0x8000000000001, 0x0) ioctl$PERF_EVENT_IOC_ENABLE(r0, 0x8912, 0x400200) r1 = socket$inet6(0xa, 0x3, 0x6) setsockopt$inet6_IPV6_FLOWLABEL_MGR(r1, 0x29, 0x20, &(0x7f0000000300)={@mcast2, 0x10005, 0x0, 0x102, 0x8000003}, 0x20) 10:46:55 executing program 1: r0 = perf_event_open(&(0x7f0000940000)={0x2, 0x70, 0xfffffffffffffffd, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}}, 0x0, 0x0, 0xffffffffffffffff, 0x0) mmap(&(0x7f00004da000/0x1000)=nil, 0x1000, 0x0, 0x4000012, r0, 0x0) mincore(&(0x7f00003fa000/0x200000)=nil, 0x20015e, &(0x7f0000000000)=""/222) 10:46:55 executing program 3: mknod(&(0x7f0000000040)='./bus\x00', 0x2000000000001003, 0x0) r0 = open(&(0x7f0000000100)='./bus\x00', 0x20000000000b04, 0x0) r1 = epoll_create(0x7) epoll_ctl$EPOLL_CTL_ADD(r1, 0x1, r0, &(0x7f00000001c0)) r2 = socket$kcm(0x2b, 0x8000000000001, 0x0) ioctl$PERF_EVENT_IOC_ENABLE(r2, 0x8912, 0x400200) r3 = openat$vcs(0xffffffffffffff9c, &(0x7f0000000000)='/dev/vcs\x00', 0x0, 0x0) r4 = socket$nl_generic(0x10, 0x3, 0x10) poll(&(0x7f0000000040)=[{r3}, {r2}, {r4}], 0x3, 0x6) r5 = socket(0x2000000000000021, 0x2, 0x10000000000002) connect$rxrpc(r5, &(0x7f0000000140)=@in4={0x21, 0x0, 0x2, 0x10, {0x2, 0x0, @rand_addr=0xdd}}, 0x24) sendmmsg(r5, &(0x7f0000005c00)=[{{0x0, 0xfffffffffffffd95, 0x0, 0x0, &(0x7f0000000000)=ANY=[@ANYBLOB="18000800000000001001000001000000ec00000000000000"], 0x18}}], 0x1, 0x0) r6 = socket$inet6(0xa, 0x0, 0x6) mmap(&(0x7f0000ffd000/0x2000)=nil, 0x2000, 0x8, 0x810, r6, 0x0) setsockopt$inet6_IPV6_FLOWLABEL_MGR(r6, 0x29, 0x20, &(0x7f0000000080)={@loopback, 0x800, 0x0, 0x100000003, 0x1, 0x0, 0x0, 0x400000000}, 0x20) setsockopt$inet6_IPV6_FLOWLABEL_MGR(r6, 0x29, 0x20, &(0x7f0000000300)={@mcast2, 0x10000, 0x0, 0x102, 0x8000003}, 0x20) setsockopt$inet6_IPV6_FLOWLABEL_MGR(r6, 0x29, 0x20, &(0x7f0000000040)={@loopback, 0x0, 0x0, 0x1, 0x3}, 0x20) connect$inet6(r6, &(0x7f0000000500)={0xa, 0x0, 0x40f7, @mcast2, 0x7ff}, 0x9) r7 = syz_open_procfs(0x0, &(0x7f0000000600)='net/ip6_flowlabel\x00n\xc01\x14\x894X\xed\xc1\xc9\xd8\xdcK\r\x8d\xae\x98&@\xd0\xe6\xbbQ\xd7\xffYn\x1c\x92\xde\x0e\xaa1\x91\x98\xe9\x1f\nMCi|+\xcdw\xf0\x176Z\xf1`\xac\xf3;\xd6d2\xeb\xe5\f\x0e\x8b\xda\xf7\xfc9\xfe\xff4\xef\'\xa19q\x93\"\x7fG3\xc1E\xe6e6\xc6\xc2u\x11% \xe7+0\x97\x84;\\\xda\xc4\x80\xc3\xb18N\xbfY%\x05\xf8\x85\x89\xfc\xd2\xd7') sendfile(r6, r7, &(0x7f0000000240)=0x202, 0x4000000000dc) r8 = syz_genetlink_get_family_id$nbd(&(0x7f0000000140)='nbd\x00') ioctl$KVM_S390_UCAS_UNMAP(r7, 0x4018ae51, &(0x7f00000000c0)={0x8000, 0x7ff, 0x2}) sendmsg$NBD_CMD_RECONFIGURE(r7, &(0x7f0000000200)={&(0x7f0000000100)={0x10, 0x0, 0x0, 0x80}, 0xc, &(0x7f00000001c0)={&(0x7f0000000180)={0x1ce, r8, 0xc05, 0x70bd29, 0x25dfdbff}, 0x14}, 0x1, 0x0, 0x0, 0x4}, 0x84) sendmsg$NBD_CMD_STATUS(r5, &(0x7f00000002c0)={&(0x7f0000000180)={0x10, 0x0, 0x0, 0x1000000}, 0xc, &(0x7f0000000280)={&(0x7f00000001c0)={0x28, r8, 0x10, 0x70bd25, 0x25dfdbfb, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x5}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x28}, 0x1, 0x0, 0x0, 0x8b29ba74f3c49941}, 0x4044) r9 = openat$audio(0xffffffffffffff9c, &(0x7f0000003500)='/dev/audio\x00', 0x200000, 0x0) r10 = socket$kcm(0x2b, 0x8000000000001, 0x0) ioctl$PERF_EVENT_IOC_ENABLE(r10, 0x8912, 0x400200) r11 = openat$vcs(0xffffffffffffff9c, &(0x7f0000000000)='/dev/vcs\x00', 0x0, 0x0) r12 = socket$nl_generic(0x10, 0x3, 0x10) poll(&(0x7f0000000040)=[{r11}, {r10}, {r12}], 0x3, 0x6) sendmsg$NBD_CMD_CONNECT(r3, &(0x7f0000003600)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x80}, 0xc, &(0x7f00000035c0)={&(0x7f0000003540)={0x54, r8, 0x300, 0x70bd2b, 0x25dfdbfe, {}, [@NBD_ATTR_SOCKETS={0x2c, 0x7, [{0x8, 0x1, r9}, {0x8, 0x1, r11}, {0x8, 0x1, r0}, {0x8}, {0x8, 0x1, r0}]}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}]}, 0x54}, 0x1, 0x0, 0x0, 0x80000c0}, 0x4000000) [ 961.019187][ C1] protocol 88fb is buggy, dev hsr_slave_0 [ 961.025018][ C1] protocol 88fb is buggy, dev hsr_slave_1 10:46:55 executing program 4: r0 = socket$kcm(0x2b, 0x8000000000001, 0x0) ioctl$PERF_EVENT_IOC_ENABLE(r0, 0x8912, 0x400200) r1 = socket$inet6(0xa, 0x3, 0x6) setsockopt$inet6_IPV6_FLOWLABEL_MGR(r1, 0x29, 0x20, &(0x7f0000000300)={@mcast2, 0x10500, 0x0, 0x102, 0x8000003}, 0x20) 10:46:55 executing program 1: r0 = perf_event_open(&(0x7f0000940000)={0x2, 0x70, 0xfffffffffffffffd, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}}, 0x0, 0x0, 0xffffffffffffffff, 0x0) mmap(&(0x7f00004da000/0x1000)=nil, 0x1000, 0x0, 0x4000012, r0, 0x0) mincore(&(0x7f00003fa000/0x200000)=nil, 0x20015f, &(0x7f0000000000)=""/222) 10:46:55 executing program 4: r0 = socket$kcm(0x2b, 0x8000000000001, 0x0) ioctl$PERF_EVENT_IOC_ENABLE(r0, 0x8912, 0x400200) r1 = socket$inet6(0xa, 0x3, 0x6) setsockopt$inet6_IPV6_FLOWLABEL_MGR(r1, 0x29, 0x20, &(0x7f0000000300)={@mcast2, 0x4000000, 0x0, 0x102, 0x8000003}, 0x20) [ 961.339179][ C1] protocol 88fb is buggy, dev hsr_slave_0 [ 961.345014][ C1] protocol 88fb is buggy, dev hsr_slave_1 10:46:55 executing program 3: mknod(&(0x7f0000000040)='./bus\x00', 0x2000000000001003, 0x0) r0 = open(&(0x7f0000000100)='./bus\x00', 0x20000000000b04, 0x0) r1 = epoll_create(0x7) epoll_ctl$EPOLL_CTL_ADD(r1, 0x1, r0, &(0x7f00000001c0)) r2 = socket$kcm(0x2b, 0x8000000000001, 0x0) ioctl$PERF_EVENT_IOC_ENABLE(r2, 0x8912, 0x400200) r3 = openat$vcs(0xffffffffffffff9c, &(0x7f0000000000)='/dev/vcs\x00', 0x0, 0x0) r4 = socket$nl_generic(0x10, 0x3, 0x10) poll(&(0x7f0000000040)=[{r3}, {r2}, {r4}], 0x3, 0x6) r5 = socket(0x2000000000000021, 0x2, 0x10000000000002) connect$rxrpc(r5, &(0x7f0000000140)=@in4={0x21, 0x0, 0x2, 0x10, {0x2, 0x0, @rand_addr=0xdd}}, 0x24) sendmmsg(r5, &(0x7f0000005c00)=[{{0x0, 0xfffffffffffffd95, 0x0, 0x0, &(0x7f0000000000)=ANY=[@ANYBLOB="18000800000000001001000001000000ec00000000000000"], 0x18}}], 0x1, 0x0) r6 = socket$inet6(0xa, 0x3, 0x0) mmap(&(0x7f0000ffd000/0x2000)=nil, 0x2000, 0x8, 0x810, r6, 0x0) setsockopt$inet6_IPV6_FLOWLABEL_MGR(r6, 0x29, 0x20, &(0x7f0000000080)={@loopback, 0x800, 0x0, 0x100000003, 0x1, 0x0, 0x0, 0x400000000}, 0x20) setsockopt$inet6_IPV6_FLOWLABEL_MGR(r6, 0x29, 0x20, &(0x7f0000000300)={@mcast2, 0x10000, 0x0, 0x102, 0x8000003}, 0x20) setsockopt$inet6_IPV6_FLOWLABEL_MGR(r6, 0x29, 0x20, &(0x7f0000000040)={@loopback, 0x0, 0x0, 0x1, 0x3}, 0x20) connect$inet6(r6, &(0x7f0000000500)={0xa, 0x0, 0x40f7, @mcast2, 0x7ff}, 0x9) r7 = syz_open_procfs(0x0, &(0x7f0000000600)='net/ip6_flowlabel\x00n\xc01\x14\x894X\xed\xc1\xc9\xd8\xdcK\r\x8d\xae\x98&@\xd0\xe6\xbbQ\xd7\xffYn\x1c\x92\xde\x0e\xaa1\x91\x98\xe9\x1f\nMCi|+\xcdw\xf0\x176Z\xf1`\xac\xf3;\xd6d2\xeb\xe5\f\x0e\x8b\xda\xf7\xfc9\xfe\xff4\xef\'\xa19q\x93\"\x7fG3\xc1E\xe6e6\xc6\xc2u\x11% \xe7+0\x97\x84;\\\xda\xc4\x80\xc3\xb18N\xbfY%\x05\xf8\x85\x89\xfc\xd2\xd7') sendfile(r6, r7, &(0x7f0000000240)=0x202, 0x4000000000dc) r8 = syz_genetlink_get_family_id$nbd(&(0x7f0000000140)='nbd\x00') ioctl$KVM_S390_UCAS_UNMAP(r7, 0x4018ae51, &(0x7f00000000c0)={0x8000, 0x7ff, 0x2}) sendmsg$NBD_CMD_RECONFIGURE(r7, &(0x7f0000000200)={&(0x7f0000000100)={0x10, 0x0, 0x0, 0x80}, 0xc, &(0x7f00000001c0)={&(0x7f0000000180)={0x1ce, r8, 0xc05, 0x70bd29, 0x25dfdbff}, 0x14}, 0x1, 0x0, 0x0, 0x4}, 0x84) sendmsg$NBD_CMD_STATUS(r5, &(0x7f00000002c0)={&(0x7f0000000180)={0x10, 0x0, 0x0, 0x1000000}, 0xc, &(0x7f0000000280)={&(0x7f00000001c0)={0x28, r8, 0x10, 0x70bd25, 0x25dfdbfb, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x5}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x28}, 0x1, 0x0, 0x0, 0x8b29ba74f3c49941}, 0x4044) r9 = openat$audio(0xffffffffffffff9c, &(0x7f0000003500)='/dev/audio\x00', 0x200000, 0x0) r10 = socket$kcm(0x2b, 0x8000000000001, 0x0) ioctl$PERF_EVENT_IOC_ENABLE(r10, 0x8912, 0x400200) r11 = openat$vcs(0xffffffffffffff9c, &(0x7f0000000000)='/dev/vcs\x00', 0x0, 0x0) r12 = socket$nl_generic(0x10, 0x3, 0x10) poll(&(0x7f0000000040)=[{r11}, {r10}, {r12}], 0x3, 0x6) sendmsg$NBD_CMD_CONNECT(r3, &(0x7f0000003600)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x80}, 0xc, &(0x7f00000035c0)={&(0x7f0000003540)={0x54, r8, 0x300, 0x70bd2b, 0x25dfdbfe, {}, [@NBD_ATTR_SOCKETS={0x2c, 0x7, [{0x8, 0x1, r9}, {0x8, 0x1, r11}, {0x8, 0x1, r0}, {0x8}, {0x8, 0x1, r0}]}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}]}, 0x54}, 0x1, 0x0, 0x0, 0x80000c0}, 0x4000000) 10:46:56 executing program 4: r0 = socket$kcm(0x2b, 0x8000000000001, 0x0) ioctl$PERF_EVENT_IOC_ENABLE(r0, 0x8912, 0x400200) r1 = socket$inet6(0xa, 0x3, 0x6) setsockopt$inet6_IPV6_FLOWLABEL_MGR(r1, 0x29, 0x20, &(0x7f0000000300)={@mcast2, 0x10000, 0x0, 0x102, 0x8000003}, 0x20) 10:46:56 executing program 1: r0 = perf_event_open(&(0x7f0000940000)={0x2, 0x70, 0xfffffffffffffffd, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}}, 0x0, 0x0, 0xffffffffffffffff, 0x0) mmap(&(0x7f00004da000/0x1000)=nil, 0x1000, 0x0, 0x4000012, r0, 0x0) mincore(&(0x7f00003fa000/0x200000)=nil, 0x200160, &(0x7f0000000000)=""/222) 10:46:56 executing program 3: mknod(&(0x7f0000000040)='./bus\x00', 0x2000000000001003, 0x0) r0 = open(&(0x7f0000000100)='./bus\x00', 0x20000000000b04, 0x0) r1 = epoll_create(0x7) epoll_ctl$EPOLL_CTL_ADD(r1, 0x1, r0, &(0x7f00000001c0)) r2 = socket$kcm(0x2b, 0x8000000000001, 0x0) ioctl$PERF_EVENT_IOC_ENABLE(r2, 0x8912, 0x400200) r3 = openat$vcs(0xffffffffffffff9c, &(0x7f0000000000)='/dev/vcs\x00', 0x0, 0x0) r4 = socket$nl_generic(0x10, 0x3, 0x10) poll(&(0x7f0000000040)=[{r3}, {r2}, {r4}], 0x3, 0x6) r5 = socket(0x2000000000000021, 0x2, 0x10000000000002) connect$rxrpc(r5, &(0x7f0000000140)=@in4={0x21, 0x0, 0x2, 0x10, {0x2, 0x0, @rand_addr=0xdd}}, 0x24) sendmmsg(r5, &(0x7f0000005c00)=[{{0x0, 0xfffffffffffffd95, 0x0, 0x0, &(0x7f0000000000)=ANY=[@ANYBLOB="18000800000000001001000001000000ec00000000000000"], 0x18}}], 0x1, 0x0) r6 = socket$inet6(0xa, 0x3, 0x0) mmap(&(0x7f0000ffd000/0x2000)=nil, 0x2000, 0x8, 0x810, r6, 0x0) setsockopt$inet6_IPV6_FLOWLABEL_MGR(r6, 0x29, 0x20, &(0x7f0000000080)={@loopback, 0x800, 0x0, 0x100000003, 0x1, 0x0, 0x0, 0x400000000}, 0x20) setsockopt$inet6_IPV6_FLOWLABEL_MGR(r6, 0x29, 0x20, &(0x7f0000000300)={@mcast2, 0x10000, 0x0, 0x102, 0x8000003}, 0x20) setsockopt$inet6_IPV6_FLOWLABEL_MGR(r6, 0x29, 0x20, &(0x7f0000000040)={@loopback, 0x0, 0x0, 0x1, 0x3}, 0x20) connect$inet6(r6, &(0x7f0000000500)={0xa, 0x0, 0x40f7, @mcast2, 0x7ff}, 0x9) r7 = syz_open_procfs(0x0, &(0x7f0000000600)='net/ip6_flowlabel\x00n\xc01\x14\x894X\xed\xc1\xc9\xd8\xdcK\r\x8d\xae\x98&@\xd0\xe6\xbbQ\xd7\xffYn\x1c\x92\xde\x0e\xaa1\x91\x98\xe9\x1f\nMCi|+\xcdw\xf0\x176Z\xf1`\xac\xf3;\xd6d2\xeb\xe5\f\x0e\x8b\xda\xf7\xfc9\xfe\xff4\xef\'\xa19q\x93\"\x7fG3\xc1E\xe6e6\xc6\xc2u\x11% \xe7+0\x97\x84;\\\xda\xc4\x80\xc3\xb18N\xbfY%\x05\xf8\x85\x89\xfc\xd2\xd7') sendfile(r6, r7, &(0x7f0000000240)=0x202, 0x4000000000dc) r8 = syz_genetlink_get_family_id$nbd(&(0x7f0000000140)='nbd\x00') ioctl$KVM_S390_UCAS_UNMAP(r7, 0x4018ae51, &(0x7f00000000c0)={0x8000, 0x7ff, 0x2}) sendmsg$NBD_CMD_RECONFIGURE(r7, &(0x7f0000000200)={&(0x7f0000000100)={0x10, 0x0, 0x0, 0x80}, 0xc, &(0x7f00000001c0)={&(0x7f0000000180)={0x1ce, r8, 0xc05, 0x70bd29, 0x25dfdbff}, 0x14}, 0x1, 0x0, 0x0, 0x4}, 0x84) sendmsg$NBD_CMD_STATUS(r5, &(0x7f00000002c0)={&(0x7f0000000180)={0x10, 0x0, 0x0, 0x1000000}, 0xc, &(0x7f0000000280)={&(0x7f00000001c0)={0x28, r8, 0x10, 0x70bd25, 0x25dfdbfb, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x5}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x28}, 0x1, 0x0, 0x0, 0x8b29ba74f3c49941}, 0x4044) r9 = openat$audio(0xffffffffffffff9c, &(0x7f0000003500)='/dev/audio\x00', 0x200000, 0x0) r10 = socket$kcm(0x2b, 0x8000000000001, 0x0) ioctl$PERF_EVENT_IOC_ENABLE(r10, 0x8912, 0x400200) r11 = openat$vcs(0xffffffffffffff9c, &(0x7f0000000000)='/dev/vcs\x00', 0x0, 0x0) r12 = socket$nl_generic(0x10, 0x3, 0x10) poll(&(0x7f0000000040)=[{r11}, {r10}, {r12}], 0x3, 0x6) sendmsg$NBD_CMD_CONNECT(r3, &(0x7f0000003600)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x80}, 0xc, &(0x7f00000035c0)={&(0x7f0000003540)={0x54, r8, 0x300, 0x70bd2b, 0x25dfdbfe, {}, [@NBD_ATTR_SOCKETS={0x2c, 0x7, [{0x8, 0x1, r9}, {0x8, 0x1, r11}, {0x8, 0x1, r0}, {0x8}, {0x8, 0x1, r0}]}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}]}, 0x54}, 0x1, 0x0, 0x0, 0x80000c0}, 0x4000000) 10:46:56 executing program 4: r0 = socket$kcm(0x2b, 0x8000000000001, 0x0) ioctl$PERF_EVENT_IOC_ENABLE(r0, 0x8912, 0x400200) r1 = socket$inet6(0xa, 0x3, 0x6) setsockopt$inet6_IPV6_FLOWLABEL_MGR(r1, 0x29, 0x20, &(0x7f0000000300)={@mcast2, 0x10000, 0x2, 0x102, 0x8000003}, 0x20) [ 961.749184][ C1] protocol 88fb is buggy, dev hsr_slave_0 [ 961.754992][ C1] protocol 88fb is buggy, dev hsr_slave_1 10:46:56 executing program 1: r0 = perf_event_open(&(0x7f0000940000)={0x2, 0x70, 0xfffffffffffffffd, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}}, 0x0, 0x0, 0xffffffffffffffff, 0x0) mmap(&(0x7f00004da000/0x1000)=nil, 0x1000, 0x0, 0x4000012, r0, 0x0) mincore(&(0x7f00003fa000/0x200000)=nil, 0x200161, &(0x7f0000000000)=""/222) 10:46:56 executing program 4: r0 = socket$kcm(0x2b, 0x8000000000001, 0x0) ioctl$PERF_EVENT_IOC_ENABLE(r0, 0x8912, 0x400200) r1 = socket$inet6(0xa, 0x3, 0x6) setsockopt$inet6_IPV6_FLOWLABEL_MGR(r1, 0x29, 0x20, &(0x7f0000000300)={@mcast2, 0x10000, 0x5, 0x102, 0x8000003}, 0x20) 10:46:56 executing program 3: mknod(&(0x7f0000000040)='./bus\x00', 0x2000000000001003, 0x0) r0 = open(&(0x7f0000000100)='./bus\x00', 0x20000000000b04, 0x0) r1 = epoll_create(0x7) epoll_ctl$EPOLL_CTL_ADD(r1, 0x1, r0, &(0x7f00000001c0)) r2 = socket$kcm(0x2b, 0x8000000000001, 0x0) ioctl$PERF_EVENT_IOC_ENABLE(r2, 0x8912, 0x400200) r3 = openat$vcs(0xffffffffffffff9c, &(0x7f0000000000)='/dev/vcs\x00', 0x0, 0x0) r4 = socket$nl_generic(0x10, 0x3, 0x10) poll(&(0x7f0000000040)=[{r3}, {r2}, {r4}], 0x3, 0x6) r5 = socket(0x2000000000000021, 0x2, 0x10000000000002) connect$rxrpc(r5, &(0x7f0000000140)=@in4={0x21, 0x0, 0x2, 0x10, {0x2, 0x0, @rand_addr=0xdd}}, 0x24) sendmmsg(r5, &(0x7f0000005c00)=[{{0x0, 0xfffffffffffffd95, 0x0, 0x0, &(0x7f0000000000)=ANY=[@ANYBLOB="18000800000000001001000001000000ec00000000000000"], 0x18}}], 0x1, 0x0) r6 = socket$inet6(0xa, 0x3, 0x0) mmap(&(0x7f0000ffd000/0x2000)=nil, 0x2000, 0x8, 0x810, r6, 0x0) setsockopt$inet6_IPV6_FLOWLABEL_MGR(r6, 0x29, 0x20, &(0x7f0000000080)={@loopback, 0x800, 0x0, 0x100000003, 0x1, 0x0, 0x0, 0x400000000}, 0x20) setsockopt$inet6_IPV6_FLOWLABEL_MGR(r6, 0x29, 0x20, &(0x7f0000000300)={@mcast2, 0x10000, 0x0, 0x102, 0x8000003}, 0x20) setsockopt$inet6_IPV6_FLOWLABEL_MGR(r6, 0x29, 0x20, &(0x7f0000000040)={@loopback, 0x0, 0x0, 0x1, 0x3}, 0x20) connect$inet6(r6, &(0x7f0000000500)={0xa, 0x0, 0x40f7, @mcast2, 0x7ff}, 0x9) r7 = syz_open_procfs(0x0, &(0x7f0000000600)='net/ip6_flowlabel\x00n\xc01\x14\x894X\xed\xc1\xc9\xd8\xdcK\r\x8d\xae\x98&@\xd0\xe6\xbbQ\xd7\xffYn\x1c\x92\xde\x0e\xaa1\x91\x98\xe9\x1f\nMCi|+\xcdw\xf0\x176Z\xf1`\xac\xf3;\xd6d2\xeb\xe5\f\x0e\x8b\xda\xf7\xfc9\xfe\xff4\xef\'\xa19q\x93\"\x7fG3\xc1E\xe6e6\xc6\xc2u\x11% \xe7+0\x97\x84;\\\xda\xc4\x80\xc3\xb18N\xbfY%\x05\xf8\x85\x89\xfc\xd2\xd7') sendfile(r6, r7, &(0x7f0000000240)=0x202, 0x4000000000dc) r8 = syz_genetlink_get_family_id$nbd(&(0x7f0000000140)='nbd\x00') ioctl$KVM_S390_UCAS_UNMAP(r7, 0x4018ae51, &(0x7f00000000c0)={0x8000, 0x7ff, 0x2}) sendmsg$NBD_CMD_RECONFIGURE(r7, &(0x7f0000000200)={&(0x7f0000000100)={0x10, 0x0, 0x0, 0x80}, 0xc, &(0x7f00000001c0)={&(0x7f0000000180)={0x1ce, r8, 0xc05, 0x70bd29, 0x25dfdbff}, 0x14}, 0x1, 0x0, 0x0, 0x4}, 0x84) sendmsg$NBD_CMD_STATUS(r5, &(0x7f00000002c0)={&(0x7f0000000180)={0x10, 0x0, 0x0, 0x1000000}, 0xc, &(0x7f0000000280)={&(0x7f00000001c0)={0x28, r8, 0x10, 0x70bd25, 0x25dfdbfb, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x5}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x28}, 0x1, 0x0, 0x0, 0x8b29ba74f3c49941}, 0x4044) r9 = openat$audio(0xffffffffffffff9c, &(0x7f0000003500)='/dev/audio\x00', 0x200000, 0x0) r10 = socket$kcm(0x2b, 0x8000000000001, 0x0) ioctl$PERF_EVENT_IOC_ENABLE(r10, 0x8912, 0x400200) r11 = openat$vcs(0xffffffffffffff9c, &(0x7f0000000000)='/dev/vcs\x00', 0x0, 0x0) r12 = socket$nl_generic(0x10, 0x3, 0x10) poll(&(0x7f0000000040)=[{r11}, {r10}, {r12}], 0x3, 0x6) sendmsg$NBD_CMD_CONNECT(r3, &(0x7f0000003600)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x80}, 0xc, &(0x7f00000035c0)={&(0x7f0000003540)={0x54, r8, 0x300, 0x70bd2b, 0x25dfdbfe, {}, [@NBD_ATTR_SOCKETS={0x2c, 0x7, [{0x8, 0x1, r9}, {0x8, 0x1, r11}, {0x8, 0x1, r0}, {0x8}, {0x8, 0x1, r0}]}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}]}, 0x54}, 0x1, 0x0, 0x0, 0x80000c0}, 0x4000000) 10:46:56 executing program 1: r0 = perf_event_open(&(0x7f0000940000)={0x2, 0x70, 0xfffffffffffffffd, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}}, 0x0, 0x0, 0xffffffffffffffff, 0x0) mmap(&(0x7f00004da000/0x1000)=nil, 0x1000, 0x0, 0x4000012, r0, 0x0) mincore(&(0x7f00003fa000/0x200000)=nil, 0x200162, &(0x7f0000000000)=""/222) 10:46:56 executing program 4: r0 = socket$kcm(0x2b, 0x8000000000001, 0x0) ioctl$PERF_EVENT_IOC_ENABLE(r0, 0x8912, 0x400200) r1 = socket$inet6(0xa, 0x3, 0x6) setsockopt$inet6_IPV6_FLOWLABEL_MGR(r1, 0x29, 0x20, &(0x7f0000000300)={@mcast2, 0x10000, 0x0, 0x3, 0x8000003}, 0x20) 10:46:56 executing program 3: mknod(&(0x7f0000000040)='./bus\x00', 0x2000000000001003, 0x0) r0 = open(&(0x7f0000000100)='./bus\x00', 0x20000000000b04, 0x0) r1 = epoll_create(0x7) epoll_ctl$EPOLL_CTL_ADD(r1, 0x1, r0, &(0x7f00000001c0)) r2 = socket$kcm(0x2b, 0x8000000000001, 0x0) ioctl$PERF_EVENT_IOC_ENABLE(r2, 0x8912, 0x400200) r3 = openat$vcs(0xffffffffffffff9c, &(0x7f0000000000)='/dev/vcs\x00', 0x0, 0x0) r4 = socket$nl_generic(0x10, 0x3, 0x10) poll(&(0x7f0000000040)=[{r3}, {r2}, {r4}], 0x3, 0x6) r5 = socket(0x2000000000000021, 0x2, 0x10000000000002) connect$rxrpc(r5, &(0x7f0000000140)=@in4={0x21, 0x0, 0x2, 0x10, {0x2, 0x0, @rand_addr=0xdd}}, 0x24) sendmmsg(r5, &(0x7f0000005c00)=[{{0x0, 0xfffffffffffffd95, 0x0, 0x0, &(0x7f0000000000)=ANY=[@ANYBLOB="18000800000000001001000001000000ec00000000000000"], 0x18}}], 0x1, 0x0) r6 = socket$inet6(0xa, 0x3, 0x6) mmap(&(0x7f0000ffd000/0x2000)=nil, 0x2000, 0x0, 0x810, r6, 0x0) setsockopt$inet6_IPV6_FLOWLABEL_MGR(r6, 0x29, 0x20, &(0x7f0000000080)={@loopback, 0x800, 0x0, 0x100000003, 0x1, 0x0, 0x0, 0x400000000}, 0x20) setsockopt$inet6_IPV6_FLOWLABEL_MGR(r6, 0x29, 0x20, &(0x7f0000000300)={@mcast2, 0x10000, 0x0, 0x102, 0x8000003}, 0x20) setsockopt$inet6_IPV6_FLOWLABEL_MGR(r6, 0x29, 0x20, &(0x7f0000000040)={@loopback, 0x0, 0x0, 0x1, 0x3}, 0x20) connect$inet6(r6, &(0x7f0000000500)={0xa, 0x0, 0x40f7, @mcast2, 0x7ff}, 0x9) r7 = syz_open_procfs(0x0, &(0x7f0000000600)='net/ip6_flowlabel\x00n\xc01\x14\x894X\xed\xc1\xc9\xd8\xdcK\r\x8d\xae\x98&@\xd0\xe6\xbbQ\xd7\xffYn\x1c\x92\xde\x0e\xaa1\x91\x98\xe9\x1f\nMCi|+\xcdw\xf0\x176Z\xf1`\xac\xf3;\xd6d2\xeb\xe5\f\x0e\x8b\xda\xf7\xfc9\xfe\xff4\xef\'\xa19q\x93\"\x7fG3\xc1E\xe6e6\xc6\xc2u\x11% \xe7+0\x97\x84;\\\xda\xc4\x80\xc3\xb18N\xbfY%\x05\xf8\x85\x89\xfc\xd2\xd7') sendfile(r6, r7, &(0x7f0000000240)=0x202, 0x4000000000dc) r8 = syz_genetlink_get_family_id$nbd(&(0x7f0000000140)='nbd\x00') ioctl$KVM_S390_UCAS_UNMAP(r7, 0x4018ae51, &(0x7f00000000c0)={0x8000, 0x7ff, 0x2}) sendmsg$NBD_CMD_RECONFIGURE(r7, &(0x7f0000000200)={&(0x7f0000000100)={0x10, 0x0, 0x0, 0x80}, 0xc, &(0x7f00000001c0)={&(0x7f0000000180)={0x1ce, r8, 0xc05, 0x70bd29, 0x25dfdbff}, 0x14}, 0x1, 0x0, 0x0, 0x4}, 0x84) sendmsg$NBD_CMD_STATUS(r5, &(0x7f00000002c0)={&(0x7f0000000180)={0x10, 0x0, 0x0, 0x1000000}, 0xc, &(0x7f0000000280)={&(0x7f00000001c0)={0x28, r8, 0x10, 0x70bd25, 0x25dfdbfb, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x5}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x28}, 0x1, 0x0, 0x0, 0x8b29ba74f3c49941}, 0x4044) r9 = openat$audio(0xffffffffffffff9c, &(0x7f0000003500)='/dev/audio\x00', 0x200000, 0x0) r10 = socket$kcm(0x2b, 0x8000000000001, 0x0) ioctl$PERF_EVENT_IOC_ENABLE(r10, 0x8912, 0x400200) r11 = openat$vcs(0xffffffffffffff9c, &(0x7f0000000000)='/dev/vcs\x00', 0x0, 0x0) r12 = socket$nl_generic(0x10, 0x3, 0x10) poll(&(0x7f0000000040)=[{r11}, {r10}, {r12}], 0x3, 0x6) sendmsg$NBD_CMD_CONNECT(r3, &(0x7f0000003600)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x80}, 0xc, &(0x7f00000035c0)={&(0x7f0000003540)={0x54, r8, 0x300, 0x70bd2b, 0x25dfdbfe, {}, [@NBD_ATTR_SOCKETS={0x2c, 0x7, [{0x8, 0x1, r9}, {0x8, 0x1, r11}, {0x8, 0x1, r0}, {0x8}, {0x8, 0x1, r0}]}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}]}, 0x54}, 0x1, 0x0, 0x0, 0x80000c0}, 0x4000000) 10:46:56 executing program 4: r0 = socket$kcm(0x2b, 0x8000000000001, 0x0) ioctl$PERF_EVENT_IOC_ENABLE(r0, 0x8912, 0x400200) r1 = socket$inet6(0xa, 0x3, 0x6) setsockopt$inet6_IPV6_FLOWLABEL_MGR(r1, 0x29, 0x20, &(0x7f0000000300)={@mcast2, 0x10000, 0x0, 0x5, 0x8000003}, 0x20) 10:46:56 executing program 1: r0 = perf_event_open(&(0x7f0000940000)={0x2, 0x70, 0xfffffffffffffffd, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}}, 0x0, 0x0, 0xffffffffffffffff, 0x0) mmap(&(0x7f00004da000/0x1000)=nil, 0x1000, 0x0, 0x4000012, r0, 0x0) mincore(&(0x7f00003fa000/0x200000)=nil, 0x200163, &(0x7f0000000000)=""/222) 10:46:57 executing program 4: r0 = socket$kcm(0x2b, 0x8000000000001, 0x0) ioctl$PERF_EVENT_IOC_ENABLE(r0, 0x8912, 0x400200) r1 = socket$inet6(0xa, 0x3, 0x6) setsockopt$inet6_IPV6_FLOWLABEL_MGR(r1, 0x29, 0x20, &(0x7f0000000300)={@mcast2, 0x10000, 0x0, 0x102, 0x8000003}, 0x20) 10:46:57 executing program 3: mknod(&(0x7f0000000040)='./bus\x00', 0x2000000000001003, 0x0) r0 = open(&(0x7f0000000100)='./bus\x00', 0x20000000000b04, 0x0) r1 = epoll_create(0x7) epoll_ctl$EPOLL_CTL_ADD(r1, 0x1, r0, &(0x7f00000001c0)) r2 = socket$kcm(0x2b, 0x8000000000001, 0x0) ioctl$PERF_EVENT_IOC_ENABLE(r2, 0x8912, 0x400200) r3 = openat$vcs(0xffffffffffffff9c, &(0x7f0000000000)='/dev/vcs\x00', 0x0, 0x0) r4 = socket$nl_generic(0x10, 0x3, 0x10) poll(&(0x7f0000000040)=[{r3}, {r2}, {r4}], 0x3, 0x6) r5 = socket(0x2000000000000021, 0x2, 0x10000000000002) connect$rxrpc(r5, &(0x7f0000000140)=@in4={0x21, 0x0, 0x2, 0x10, {0x2, 0x0, @rand_addr=0xdd}}, 0x24) sendmmsg(r5, &(0x7f0000005c00)=[{{0x0, 0xfffffffffffffd95, 0x0, 0x0, &(0x7f0000000000)=ANY=[@ANYBLOB="18000800000000001001000001000000ec00000000000000"], 0x18}}], 0x1, 0x0) r6 = socket$inet6(0xa, 0x3, 0x6) mmap(&(0x7f0000ffd000/0x2000)=nil, 0x2000, 0x0, 0x810, r6, 0x0) setsockopt$inet6_IPV6_FLOWLABEL_MGR(r6, 0x29, 0x20, &(0x7f0000000080)={@loopback, 0x800, 0x0, 0x100000003, 0x1, 0x0, 0x0, 0x400000000}, 0x20) setsockopt$inet6_IPV6_FLOWLABEL_MGR(r6, 0x29, 0x20, &(0x7f0000000300)={@mcast2, 0x10000, 0x0, 0x102, 0x8000003}, 0x20) setsockopt$inet6_IPV6_FLOWLABEL_MGR(r6, 0x29, 0x20, &(0x7f0000000040)={@loopback, 0x0, 0x0, 0x1, 0x3}, 0x20) connect$inet6(r6, &(0x7f0000000500)={0xa, 0x0, 0x40f7, @mcast2, 0x7ff}, 0x9) r7 = syz_open_procfs(0x0, &(0x7f0000000600)='net/ip6_flowlabel\x00n\xc01\x14\x894X\xed\xc1\xc9\xd8\xdcK\r\x8d\xae\x98&@\xd0\xe6\xbbQ\xd7\xffYn\x1c\x92\xde\x0e\xaa1\x91\x98\xe9\x1f\nMCi|+\xcdw\xf0\x176Z\xf1`\xac\xf3;\xd6d2\xeb\xe5\f\x0e\x8b\xda\xf7\xfc9\xfe\xff4\xef\'\xa19q\x93\"\x7fG3\xc1E\xe6e6\xc6\xc2u\x11% \xe7+0\x97\x84;\\\xda\xc4\x80\xc3\xb18N\xbfY%\x05\xf8\x85\x89\xfc\xd2\xd7') sendfile(r6, r7, &(0x7f0000000240)=0x202, 0x4000000000dc) r8 = syz_genetlink_get_family_id$nbd(&(0x7f0000000140)='nbd\x00') ioctl$KVM_S390_UCAS_UNMAP(r7, 0x4018ae51, &(0x7f00000000c0)={0x8000, 0x7ff, 0x2}) sendmsg$NBD_CMD_RECONFIGURE(r7, &(0x7f0000000200)={&(0x7f0000000100)={0x10, 0x0, 0x0, 0x80}, 0xc, &(0x7f00000001c0)={&(0x7f0000000180)={0x1ce, r8, 0xc05, 0x70bd29, 0x25dfdbff}, 0x14}, 0x1, 0x0, 0x0, 0x4}, 0x84) sendmsg$NBD_CMD_STATUS(r5, &(0x7f00000002c0)={&(0x7f0000000180)={0x10, 0x0, 0x0, 0x1000000}, 0xc, &(0x7f0000000280)={&(0x7f00000001c0)={0x28, r8, 0x10, 0x70bd25, 0x25dfdbfb, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x5}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x28}, 0x1, 0x0, 0x0, 0x8b29ba74f3c49941}, 0x4044) r9 = openat$audio(0xffffffffffffff9c, &(0x7f0000003500)='/dev/audio\x00', 0x200000, 0x0) r10 = socket$kcm(0x2b, 0x8000000000001, 0x0) ioctl$PERF_EVENT_IOC_ENABLE(r10, 0x8912, 0x400200) r11 = openat$vcs(0xffffffffffffff9c, &(0x7f0000000000)='/dev/vcs\x00', 0x0, 0x0) r12 = socket$nl_generic(0x10, 0x3, 0x10) poll(&(0x7f0000000040)=[{r11}, {r10}, {r12}], 0x3, 0x6) sendmsg$NBD_CMD_CONNECT(r3, &(0x7f0000003600)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x80}, 0xc, &(0x7f00000035c0)={&(0x7f0000003540)={0x54, r8, 0x300, 0x70bd2b, 0x25dfdbfe, {}, [@NBD_ATTR_SOCKETS={0x2c, 0x7, [{0x8, 0x1, r9}, {0x8, 0x1, r11}, {0x8, 0x1, r0}, {0x8}, {0x8, 0x1, r0}]}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}]}, 0x54}, 0x1, 0x0, 0x0, 0x80000c0}, 0x4000000) 10:46:57 executing program 4: r0 = socket$kcm(0x2b, 0x8000000000001, 0x0) ioctl$PERF_EVENT_IOC_ENABLE(r0, 0x8912, 0x400200) r1 = socket$inet6(0xa, 0x3, 0x6) setsockopt$inet6_IPV6_FLOWLABEL_MGR(r1, 0x29, 0x20, &(0x7f0000000300)={@mcast2, 0x10000, 0x0, 0x102, 0x8000003, 0x2}, 0x20) 10:46:57 executing program 1: r0 = perf_event_open(&(0x7f0000940000)={0x2, 0x70, 0xfffffffffffffffd, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}}, 0x0, 0x0, 0xffffffffffffffff, 0x0) mmap(&(0x7f00004da000/0x1000)=nil, 0x1000, 0x0, 0x4000012, r0, 0x0) mincore(&(0x7f00003fa000/0x200000)=nil, 0x200164, &(0x7f0000000000)=""/222) 10:46:57 executing program 3: mknod(&(0x7f0000000040)='./bus\x00', 0x2000000000001003, 0x0) r0 = open(&(0x7f0000000100)='./bus\x00', 0x20000000000b04, 0x0) r1 = epoll_create(0x7) epoll_ctl$EPOLL_CTL_ADD(r1, 0x1, r0, &(0x7f00000001c0)) r2 = socket$kcm(0x2b, 0x8000000000001, 0x0) ioctl$PERF_EVENT_IOC_ENABLE(r2, 0x8912, 0x400200) r3 = openat$vcs(0xffffffffffffff9c, &(0x7f0000000000)='/dev/vcs\x00', 0x0, 0x0) r4 = socket$nl_generic(0x10, 0x3, 0x10) poll(&(0x7f0000000040)=[{r3}, {r2}, {r4}], 0x3, 0x6) r5 = socket(0x2000000000000021, 0x2, 0x10000000000002) connect$rxrpc(r5, &(0x7f0000000140)=@in4={0x21, 0x0, 0x2, 0x10, {0x2, 0x0, @rand_addr=0xdd}}, 0x24) sendmmsg(r5, &(0x7f0000005c00)=[{{0x0, 0xfffffffffffffd95, 0x0, 0x0, &(0x7f0000000000)=ANY=[@ANYBLOB="18000800000000001001000001000000ec00000000000000"], 0x18}}], 0x1, 0x0) r6 = socket$inet6(0xa, 0x3, 0x6) mmap(&(0x7f0000ffd000/0x2000)=nil, 0x2000, 0x0, 0x810, r6, 0x0) setsockopt$inet6_IPV6_FLOWLABEL_MGR(r6, 0x29, 0x20, &(0x7f0000000080)={@loopback, 0x800, 0x0, 0x100000003, 0x1, 0x0, 0x0, 0x400000000}, 0x20) setsockopt$inet6_IPV6_FLOWLABEL_MGR(r6, 0x29, 0x20, &(0x7f0000000300)={@mcast2, 0x10000, 0x0, 0x102, 0x8000003}, 0x20) setsockopt$inet6_IPV6_FLOWLABEL_MGR(r6, 0x29, 0x20, &(0x7f0000000040)={@loopback, 0x0, 0x0, 0x1, 0x3}, 0x20) connect$inet6(r6, &(0x7f0000000500)={0xa, 0x0, 0x40f7, @mcast2, 0x7ff}, 0x9) r7 = syz_open_procfs(0x0, &(0x7f0000000600)='net/ip6_flowlabel\x00n\xc01\x14\x894X\xed\xc1\xc9\xd8\xdcK\r\x8d\xae\x98&@\xd0\xe6\xbbQ\xd7\xffYn\x1c\x92\xde\x0e\xaa1\x91\x98\xe9\x1f\nMCi|+\xcdw\xf0\x176Z\xf1`\xac\xf3;\xd6d2\xeb\xe5\f\x0e\x8b\xda\xf7\xfc9\xfe\xff4\xef\'\xa19q\x93\"\x7fG3\xc1E\xe6e6\xc6\xc2u\x11% \xe7+0\x97\x84;\\\xda\xc4\x80\xc3\xb18N\xbfY%\x05\xf8\x85\x89\xfc\xd2\xd7') sendfile(r6, r7, &(0x7f0000000240)=0x202, 0x4000000000dc) r8 = syz_genetlink_get_family_id$nbd(&(0x7f0000000140)='nbd\x00') ioctl$KVM_S390_UCAS_UNMAP(r7, 0x4018ae51, &(0x7f00000000c0)={0x8000, 0x7ff, 0x2}) sendmsg$NBD_CMD_RECONFIGURE(r7, &(0x7f0000000200)={&(0x7f0000000100)={0x10, 0x0, 0x0, 0x80}, 0xc, &(0x7f00000001c0)={&(0x7f0000000180)={0x1ce, r8, 0xc05, 0x70bd29, 0x25dfdbff}, 0x14}, 0x1, 0x0, 0x0, 0x4}, 0x84) sendmsg$NBD_CMD_STATUS(r5, &(0x7f00000002c0)={&(0x7f0000000180)={0x10, 0x0, 0x0, 0x1000000}, 0xc, &(0x7f0000000280)={&(0x7f00000001c0)={0x28, r8, 0x10, 0x70bd25, 0x25dfdbfb, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x5}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x28}, 0x1, 0x0, 0x0, 0x8b29ba74f3c49941}, 0x4044) r9 = openat$audio(0xffffffffffffff9c, &(0x7f0000003500)='/dev/audio\x00', 0x200000, 0x0) r10 = socket$kcm(0x2b, 0x8000000000001, 0x0) ioctl$PERF_EVENT_IOC_ENABLE(r10, 0x8912, 0x400200) r11 = openat$vcs(0xffffffffffffff9c, &(0x7f0000000000)='/dev/vcs\x00', 0x0, 0x0) r12 = socket$nl_generic(0x10, 0x3, 0x10) poll(&(0x7f0000000040)=[{r11}, {r10}, {r12}], 0x3, 0x6) sendmsg$NBD_CMD_CONNECT(r3, &(0x7f0000003600)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x80}, 0xc, &(0x7f00000035c0)={&(0x7f0000003540)={0x54, r8, 0x300, 0x70bd2b, 0x25dfdbfe, {}, [@NBD_ATTR_SOCKETS={0x2c, 0x7, [{0x8, 0x1, r9}, {0x8, 0x1, r11}, {0x8, 0x1, r0}, {0x8}, {0x8, 0x1, r0}]}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}]}, 0x54}, 0x1, 0x0, 0x0, 0x80000c0}, 0x4000000) 10:46:57 executing program 4: r0 = socket$kcm(0x2b, 0x8000000000001, 0x0) ioctl$PERF_EVENT_IOC_ENABLE(r0, 0x8912, 0x400200) r1 = socket$inet6(0xa, 0x3, 0x6) setsockopt$inet6_IPV6_FLOWLABEL_MGR(r1, 0x29, 0x20, &(0x7f0000000300)={@mcast2, 0x10000, 0x0, 0x102, 0x8000003, 0x5}, 0x20) 10:46:57 executing program 1: r0 = perf_event_open(&(0x7f0000940000)={0x2, 0x70, 0xfffffffffffffffd, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}}, 0x0, 0x0, 0xffffffffffffffff, 0x0) mmap(&(0x7f00004da000/0x1000)=nil, 0x1000, 0x0, 0x4000012, r0, 0x0) mincore(&(0x7f00003fa000/0x200000)=nil, 0x200165, &(0x7f0000000000)=""/222) 10:46:57 executing program 4: r0 = socket$kcm(0x2b, 0x8000000000001, 0x0) ioctl$PERF_EVENT_IOC_ENABLE(r0, 0x8912, 0x400200) r1 = socket$inet6(0xa, 0x3, 0x6) setsockopt$inet6_IPV6_FLOWLABEL_MGR(r1, 0x29, 0x20, &(0x7f0000000300)={@mcast2, 0x10000, 0x0, 0x102, 0x8000003, 0x500}, 0x20) 10:46:57 executing program 3: mknod(&(0x7f0000000040)='./bus\x00', 0x2000000000001003, 0x0) r0 = open(&(0x7f0000000100)='./bus\x00', 0x20000000000b04, 0x0) r1 = epoll_create(0x7) epoll_ctl$EPOLL_CTL_ADD(r1, 0x1, r0, &(0x7f00000001c0)) r2 = socket$kcm(0x2b, 0x8000000000001, 0x0) ioctl$PERF_EVENT_IOC_ENABLE(r2, 0x8912, 0x400200) r3 = openat$vcs(0xffffffffffffff9c, &(0x7f0000000000)='/dev/vcs\x00', 0x0, 0x0) r4 = socket$nl_generic(0x10, 0x3, 0x10) poll(&(0x7f0000000040)=[{r3}, {r2}, {r4}], 0x3, 0x6) r5 = socket(0x2000000000000021, 0x2, 0x10000000000002) connect$rxrpc(r5, &(0x7f0000000140)=@in4={0x21, 0x0, 0x2, 0x10, {0x2, 0x0, @rand_addr=0xdd}}, 0x24) sendmmsg(r5, &(0x7f0000005c00)=[{{0x0, 0xfffffffffffffd95, 0x0, 0x0, &(0x7f0000000000)=ANY=[@ANYBLOB="18000800000000001001000001000000ec00000000000000"], 0x18}}], 0x1, 0x0) r6 = socket$inet6(0xa, 0x3, 0x6) mmap(&(0x7f0000ffd000/0x2000)=nil, 0x2000, 0x8, 0x10, r6, 0x0) setsockopt$inet6_IPV6_FLOWLABEL_MGR(r6, 0x29, 0x20, &(0x7f0000000080)={@loopback, 0x800, 0x0, 0x100000003, 0x1, 0x0, 0x0, 0x400000000}, 0x20) setsockopt$inet6_IPV6_FLOWLABEL_MGR(r6, 0x29, 0x20, &(0x7f0000000300)={@mcast2, 0x10000, 0x0, 0x102, 0x8000003}, 0x20) setsockopt$inet6_IPV6_FLOWLABEL_MGR(r6, 0x29, 0x20, &(0x7f0000000040)={@loopback, 0x0, 0x0, 0x1, 0x3}, 0x20) connect$inet6(r6, &(0x7f0000000500)={0xa, 0x0, 0x40f7, @mcast2, 0x7ff}, 0x9) r7 = syz_open_procfs(0x0, &(0x7f0000000600)='net/ip6_flowlabel\x00n\xc01\x14\x894X\xed\xc1\xc9\xd8\xdcK\r\x8d\xae\x98&@\xd0\xe6\xbbQ\xd7\xffYn\x1c\x92\xde\x0e\xaa1\x91\x98\xe9\x1f\nMCi|+\xcdw\xf0\x176Z\xf1`\xac\xf3;\xd6d2\xeb\xe5\f\x0e\x8b\xda\xf7\xfc9\xfe\xff4\xef\'\xa19q\x93\"\x7fG3\xc1E\xe6e6\xc6\xc2u\x11% \xe7+0\x97\x84;\\\xda\xc4\x80\xc3\xb18N\xbfY%\x05\xf8\x85\x89\xfc\xd2\xd7') sendfile(r6, r7, &(0x7f0000000240)=0x202, 0x4000000000dc) r8 = syz_genetlink_get_family_id$nbd(&(0x7f0000000140)='nbd\x00') ioctl$KVM_S390_UCAS_UNMAP(r7, 0x4018ae51, &(0x7f00000000c0)={0x8000, 0x7ff, 0x2}) sendmsg$NBD_CMD_RECONFIGURE(r7, &(0x7f0000000200)={&(0x7f0000000100)={0x10, 0x0, 0x0, 0x80}, 0xc, &(0x7f00000001c0)={&(0x7f0000000180)={0x1ce, r8, 0xc05, 0x70bd29, 0x25dfdbff}, 0x14}, 0x1, 0x0, 0x0, 0x4}, 0x84) sendmsg$NBD_CMD_STATUS(r5, &(0x7f00000002c0)={&(0x7f0000000180)={0x10, 0x0, 0x0, 0x1000000}, 0xc, &(0x7f0000000280)={&(0x7f00000001c0)={0x28, r8, 0x10, 0x70bd25, 0x25dfdbfb, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x5}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x28}, 0x1, 0x0, 0x0, 0x8b29ba74f3c49941}, 0x4044) r9 = openat$audio(0xffffffffffffff9c, &(0x7f0000003500)='/dev/audio\x00', 0x200000, 0x0) r10 = socket$kcm(0x2b, 0x8000000000001, 0x0) ioctl$PERF_EVENT_IOC_ENABLE(r10, 0x8912, 0x400200) r11 = openat$vcs(0xffffffffffffff9c, &(0x7f0000000000)='/dev/vcs\x00', 0x0, 0x0) r12 = socket$nl_generic(0x10, 0x3, 0x10) poll(&(0x7f0000000040)=[{r11}, {r10}, {r12}], 0x3, 0x6) sendmsg$NBD_CMD_CONNECT(r3, &(0x7f0000003600)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x80}, 0xc, &(0x7f00000035c0)={&(0x7f0000003540)={0x54, r8, 0x300, 0x70bd2b, 0x25dfdbfe, {}, [@NBD_ATTR_SOCKETS={0x2c, 0x7, [{0x8, 0x1, r9}, {0x8, 0x1, r11}, {0x8, 0x1, r0}, {0x8}, {0x8, 0x1, r0}]}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}]}, 0x54}, 0x1, 0x0, 0x0, 0x80000c0}, 0x4000000) 10:46:57 executing program 4: r0 = socket$kcm(0x2b, 0x8000000000001, 0x0) ioctl$PERF_EVENT_IOC_ENABLE(r0, 0x8912, 0x400200) r1 = socket$inet6(0xa, 0x3, 0x6) setsockopt$inet6_IPV6_FLOWLABEL_MGR(r1, 0x29, 0x20, &(0x7f0000000300)={@mcast2, 0x10000, 0x0, 0x102, 0x8000003}, 0x20) 10:46:57 executing program 1: r0 = perf_event_open(&(0x7f0000940000)={0x2, 0x70, 0xfffffffffffffffd, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}}, 0x0, 0x0, 0xffffffffffffffff, 0x0) mmap(&(0x7f00004da000/0x1000)=nil, 0x1000, 0x0, 0x4000012, r0, 0x0) mincore(&(0x7f00003fa000/0x200000)=nil, 0x200166, &(0x7f0000000000)=""/222) 10:46:58 executing program 3: mknod(&(0x7f0000000040)='./bus\x00', 0x2000000000001003, 0x0) r0 = open(&(0x7f0000000100)='./bus\x00', 0x20000000000b04, 0x0) r1 = epoll_create(0x7) epoll_ctl$EPOLL_CTL_ADD(r1, 0x1, r0, &(0x7f00000001c0)) r2 = socket$kcm(0x2b, 0x8000000000001, 0x0) ioctl$PERF_EVENT_IOC_ENABLE(r2, 0x8912, 0x400200) r3 = openat$vcs(0xffffffffffffff9c, &(0x7f0000000000)='/dev/vcs\x00', 0x0, 0x0) r4 = socket$nl_generic(0x10, 0x3, 0x10) poll(&(0x7f0000000040)=[{r3}, {r2}, {r4}], 0x3, 0x6) r5 = socket(0x2000000000000021, 0x2, 0x10000000000002) connect$rxrpc(r5, &(0x7f0000000140)=@in4={0x21, 0x0, 0x2, 0x10, {0x2, 0x0, @rand_addr=0xdd}}, 0x24) sendmmsg(r5, &(0x7f0000005c00)=[{{0x0, 0xfffffffffffffd95, 0x0, 0x0, &(0x7f0000000000)=ANY=[@ANYBLOB="18000800000000001001000001000000ec00000000000000"], 0x18}}], 0x1, 0x0) r6 = socket$inet6(0xa, 0x3, 0x6) mmap(&(0x7f0000ffd000/0x2000)=nil, 0x2000, 0x8, 0x10, r6, 0x0) setsockopt$inet6_IPV6_FLOWLABEL_MGR(r6, 0x29, 0x20, &(0x7f0000000080)={@loopback, 0x800, 0x0, 0x100000003, 0x1, 0x0, 0x0, 0x400000000}, 0x20) setsockopt$inet6_IPV6_FLOWLABEL_MGR(r6, 0x29, 0x20, &(0x7f0000000300)={@mcast2, 0x10000, 0x0, 0x102, 0x8000003}, 0x20) setsockopt$inet6_IPV6_FLOWLABEL_MGR(r6, 0x29, 0x20, &(0x7f0000000040)={@loopback, 0x0, 0x0, 0x1, 0x3}, 0x20) connect$inet6(r6, &(0x7f0000000500)={0xa, 0x0, 0x40f7, @mcast2, 0x7ff}, 0x9) r7 = syz_open_procfs(0x0, &(0x7f0000000600)='net/ip6_flowlabel\x00n\xc01\x14\x894X\xed\xc1\xc9\xd8\xdcK\r\x8d\xae\x98&@\xd0\xe6\xbbQ\xd7\xffYn\x1c\x92\xde\x0e\xaa1\x91\x98\xe9\x1f\nMCi|+\xcdw\xf0\x176Z\xf1`\xac\xf3;\xd6d2\xeb\xe5\f\x0e\x8b\xda\xf7\xfc9\xfe\xff4\xef\'\xa19q\x93\"\x7fG3\xc1E\xe6e6\xc6\xc2u\x11% \xe7+0\x97\x84;\\\xda\xc4\x80\xc3\xb18N\xbfY%\x05\xf8\x85\x89\xfc\xd2\xd7') sendfile(r6, r7, &(0x7f0000000240)=0x202, 0x4000000000dc) r8 = syz_genetlink_get_family_id$nbd(&(0x7f0000000140)='nbd\x00') ioctl$KVM_S390_UCAS_UNMAP(r7, 0x4018ae51, &(0x7f00000000c0)={0x8000, 0x7ff, 0x2}) sendmsg$NBD_CMD_RECONFIGURE(r7, &(0x7f0000000200)={&(0x7f0000000100)={0x10, 0x0, 0x0, 0x80}, 0xc, &(0x7f00000001c0)={&(0x7f0000000180)={0x1ce, r8, 0xc05, 0x70bd29, 0x25dfdbff}, 0x14}, 0x1, 0x0, 0x0, 0x4}, 0x84) sendmsg$NBD_CMD_STATUS(r5, &(0x7f00000002c0)={&(0x7f0000000180)={0x10, 0x0, 0x0, 0x1000000}, 0xc, &(0x7f0000000280)={&(0x7f00000001c0)={0x28, r8, 0x10, 0x70bd25, 0x25dfdbfb, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x5}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x28}, 0x1, 0x0, 0x0, 0x8b29ba74f3c49941}, 0x4044) r9 = openat$audio(0xffffffffffffff9c, &(0x7f0000003500)='/dev/audio\x00', 0x200000, 0x0) r10 = socket$kcm(0x2b, 0x8000000000001, 0x0) ioctl$PERF_EVENT_IOC_ENABLE(r10, 0x8912, 0x400200) r11 = openat$vcs(0xffffffffffffff9c, &(0x7f0000000000)='/dev/vcs\x00', 0x0, 0x0) r12 = socket$nl_generic(0x10, 0x3, 0x10) poll(&(0x7f0000000040)=[{r11}, {r10}, {r12}], 0x3, 0x6) sendmsg$NBD_CMD_CONNECT(r3, &(0x7f0000003600)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x80}, 0xc, &(0x7f00000035c0)={&(0x7f0000003540)={0x54, r8, 0x300, 0x70bd2b, 0x25dfdbfe, {}, [@NBD_ATTR_SOCKETS={0x2c, 0x7, [{0x8, 0x1, r9}, {0x8, 0x1, r11}, {0x8, 0x1, r0}, {0x8}, {0x8, 0x1, r0}]}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}]}, 0x54}, 0x1, 0x0, 0x0, 0x80000c0}, 0x4000000) 10:46:58 executing program 4: r0 = socket$kcm(0x2b, 0x8000000000001, 0x0) ioctl$PERF_EVENT_IOC_ENABLE(r0, 0x8912, 0x400200) r1 = socket$inet6(0xa, 0x3, 0x6) setsockopt$inet6_IPV6_FLOWLABEL_MGR(r1, 0x29, 0x20, &(0x7f0000000300)={@mcast2, 0x10000, 0x0, 0x102, 0x8000003, 0x0, 0x2}, 0x20) 10:46:58 executing program 1: r0 = perf_event_open(&(0x7f0000940000)={0x2, 0x70, 0xfffffffffffffffd, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}}, 0x0, 0x0, 0xffffffffffffffff, 0x0) mmap(&(0x7f00004da000/0x1000)=nil, 0x1000, 0x0, 0x4000012, r0, 0x0) mincore(&(0x7f00003fa000/0x200000)=nil, 0x200167, &(0x7f0000000000)=""/222) 10:46:58 executing program 4: r0 = socket$kcm(0x2b, 0x8000000000001, 0x0) ioctl$PERF_EVENT_IOC_ENABLE(r0, 0x8912, 0x400200) r1 = socket$inet6(0xa, 0x3, 0x6) setsockopt$inet6_IPV6_FLOWLABEL_MGR(r1, 0x29, 0x20, &(0x7f0000000300)={@mcast2, 0x10000, 0x0, 0x102, 0x8000003, 0x0, 0x5}, 0x20) 10:46:58 executing program 3: mknod(&(0x7f0000000040)='./bus\x00', 0x2000000000001003, 0x0) r0 = open(&(0x7f0000000100)='./bus\x00', 0x20000000000b04, 0x0) r1 = epoll_create(0x7) epoll_ctl$EPOLL_CTL_ADD(r1, 0x1, r0, &(0x7f00000001c0)) r2 = socket$kcm(0x2b, 0x8000000000001, 0x0) ioctl$PERF_EVENT_IOC_ENABLE(r2, 0x8912, 0x400200) r3 = openat$vcs(0xffffffffffffff9c, &(0x7f0000000000)='/dev/vcs\x00', 0x0, 0x0) r4 = socket$nl_generic(0x10, 0x3, 0x10) poll(&(0x7f0000000040)=[{r3}, {r2}, {r4}], 0x3, 0x6) r5 = socket(0x2000000000000021, 0x2, 0x10000000000002) connect$rxrpc(r5, &(0x7f0000000140)=@in4={0x21, 0x0, 0x2, 0x10, {0x2, 0x0, @rand_addr=0xdd}}, 0x24) sendmmsg(r5, &(0x7f0000005c00)=[{{0x0, 0xfffffffffffffd95, 0x0, 0x0, &(0x7f0000000000)=ANY=[@ANYBLOB="18000800000000001001000001000000ec00000000000000"], 0x18}}], 0x1, 0x0) r6 = socket$inet6(0xa, 0x3, 0x6) mmap(&(0x7f0000ffd000/0x2000)=nil, 0x2000, 0x8, 0x10, r6, 0x0) setsockopt$inet6_IPV6_FLOWLABEL_MGR(r6, 0x29, 0x20, &(0x7f0000000080)={@loopback, 0x800, 0x0, 0x100000003, 0x1, 0x0, 0x0, 0x400000000}, 0x20) setsockopt$inet6_IPV6_FLOWLABEL_MGR(r6, 0x29, 0x20, &(0x7f0000000300)={@mcast2, 0x10000, 0x0, 0x102, 0x8000003}, 0x20) setsockopt$inet6_IPV6_FLOWLABEL_MGR(r6, 0x29, 0x20, &(0x7f0000000040)={@loopback, 0x0, 0x0, 0x1, 0x3}, 0x20) connect$inet6(r6, &(0x7f0000000500)={0xa, 0x0, 0x40f7, @mcast2, 0x7ff}, 0x9) r7 = syz_open_procfs(0x0, &(0x7f0000000600)='net/ip6_flowlabel\x00n\xc01\x14\x894X\xed\xc1\xc9\xd8\xdcK\r\x8d\xae\x98&@\xd0\xe6\xbbQ\xd7\xffYn\x1c\x92\xde\x0e\xaa1\x91\x98\xe9\x1f\nMCi|+\xcdw\xf0\x176Z\xf1`\xac\xf3;\xd6d2\xeb\xe5\f\x0e\x8b\xda\xf7\xfc9\xfe\xff4\xef\'\xa19q\x93\"\x7fG3\xc1E\xe6e6\xc6\xc2u\x11% \xe7+0\x97\x84;\\\xda\xc4\x80\xc3\xb18N\xbfY%\x05\xf8\x85\x89\xfc\xd2\xd7') sendfile(r6, r7, &(0x7f0000000240)=0x202, 0x4000000000dc) r8 = syz_genetlink_get_family_id$nbd(&(0x7f0000000140)='nbd\x00') ioctl$KVM_S390_UCAS_UNMAP(r7, 0x4018ae51, &(0x7f00000000c0)={0x8000, 0x7ff, 0x2}) sendmsg$NBD_CMD_RECONFIGURE(r7, &(0x7f0000000200)={&(0x7f0000000100)={0x10, 0x0, 0x0, 0x80}, 0xc, &(0x7f00000001c0)={&(0x7f0000000180)={0x1ce, r8, 0xc05, 0x70bd29, 0x25dfdbff}, 0x14}, 0x1, 0x0, 0x0, 0x4}, 0x84) sendmsg$NBD_CMD_STATUS(r5, &(0x7f00000002c0)={&(0x7f0000000180)={0x10, 0x0, 0x0, 0x1000000}, 0xc, &(0x7f0000000280)={&(0x7f00000001c0)={0x28, r8, 0x10, 0x70bd25, 0x25dfdbfb, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x5}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x28}, 0x1, 0x0, 0x0, 0x8b29ba74f3c49941}, 0x4044) r9 = openat$audio(0xffffffffffffff9c, &(0x7f0000003500)='/dev/audio\x00', 0x200000, 0x0) r10 = socket$kcm(0x2b, 0x8000000000001, 0x0) ioctl$PERF_EVENT_IOC_ENABLE(r10, 0x8912, 0x400200) r11 = openat$vcs(0xffffffffffffff9c, &(0x7f0000000000)='/dev/vcs\x00', 0x0, 0x0) r12 = socket$nl_generic(0x10, 0x3, 0x10) poll(&(0x7f0000000040)=[{r11}, {r10}, {r12}], 0x3, 0x6) sendmsg$NBD_CMD_CONNECT(r3, &(0x7f0000003600)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x80}, 0xc, &(0x7f00000035c0)={&(0x7f0000003540)={0x54, r8, 0x300, 0x70bd2b, 0x25dfdbfe, {}, [@NBD_ATTR_SOCKETS={0x2c, 0x7, [{0x8, 0x1, r9}, {0x8, 0x1, r11}, {0x8, 0x1, r0}, {0x8}, {0x8, 0x1, r0}]}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}]}, 0x54}, 0x1, 0x0, 0x0, 0x80000c0}, 0x4000000) 10:46:58 executing program 1: r0 = perf_event_open(&(0x7f0000940000)={0x2, 0x70, 0xfffffffffffffffd, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}}, 0x0, 0x0, 0xffffffffffffffff, 0x0) mmap(&(0x7f00004da000/0x1000)=nil, 0x1000, 0x0, 0x4000012, r0, 0x0) mincore(&(0x7f00003fa000/0x200000)=nil, 0x200168, &(0x7f0000000000)=""/222) 10:46:58 executing program 4: r0 = socket$kcm(0x2b, 0x8000000000001, 0x0) ioctl$PERF_EVENT_IOC_ENABLE(r0, 0x8912, 0x400200) r1 = socket$inet6(0xa, 0x3, 0x6) setsockopt$inet6_IPV6_FLOWLABEL_MGR(r1, 0x29, 0x20, &(0x7f0000000300)={@mcast2, 0x10000, 0x0, 0x102, 0x8000003, 0x0, 0x500}, 0x20) 10:46:58 executing program 3: mknod(&(0x7f0000000040)='./bus\x00', 0x2000000000001003, 0x0) r0 = open(&(0x7f0000000100)='./bus\x00', 0x20000000000b04, 0x0) r1 = epoll_create(0x7) epoll_ctl$EPOLL_CTL_ADD(r1, 0x1, r0, &(0x7f00000001c0)) r2 = socket$kcm(0x2b, 0x8000000000001, 0x0) ioctl$PERF_EVENT_IOC_ENABLE(r2, 0x8912, 0x400200) r3 = openat$vcs(0xffffffffffffff9c, &(0x7f0000000000)='/dev/vcs\x00', 0x0, 0x0) r4 = socket$nl_generic(0x10, 0x3, 0x10) poll(&(0x7f0000000040)=[{r3}, {r2}, {r4}], 0x3, 0x6) r5 = socket(0x2000000000000021, 0x2, 0x10000000000002) connect$rxrpc(r5, &(0x7f0000000140)=@in4={0x21, 0x0, 0x2, 0x10, {0x2, 0x0, @rand_addr=0xdd}}, 0x24) sendmmsg(r5, &(0x7f0000005c00)=[{{0x0, 0xfffffffffffffd95, 0x0, 0x0, &(0x7f0000000000)=ANY=[@ANYBLOB="18000800000000001001000001000000ec00000000000000"], 0x18}}], 0x1, 0x0) r6 = socket$inet6(0xa, 0x3, 0x6) mmap(&(0x7f0000ffd000/0x2000)=nil, 0x2000, 0x8, 0x810, 0xffffffffffffffff, 0x0) setsockopt$inet6_IPV6_FLOWLABEL_MGR(r6, 0x29, 0x20, &(0x7f0000000080)={@loopback, 0x800, 0x0, 0x100000003, 0x1, 0x0, 0x0, 0x400000000}, 0x20) setsockopt$inet6_IPV6_FLOWLABEL_MGR(r6, 0x29, 0x20, &(0x7f0000000300)={@mcast2, 0x10000, 0x0, 0x102, 0x8000003}, 0x20) setsockopt$inet6_IPV6_FLOWLABEL_MGR(r6, 0x29, 0x20, &(0x7f0000000040)={@loopback, 0x0, 0x0, 0x1, 0x3}, 0x20) connect$inet6(r6, &(0x7f0000000500)={0xa, 0x0, 0x40f7, @mcast2, 0x7ff}, 0x9) r7 = syz_open_procfs(0x0, &(0x7f0000000600)='net/ip6_flowlabel\x00n\xc01\x14\x894X\xed\xc1\xc9\xd8\xdcK\r\x8d\xae\x98&@\xd0\xe6\xbbQ\xd7\xffYn\x1c\x92\xde\x0e\xaa1\x91\x98\xe9\x1f\nMCi|+\xcdw\xf0\x176Z\xf1`\xac\xf3;\xd6d2\xeb\xe5\f\x0e\x8b\xda\xf7\xfc9\xfe\xff4\xef\'\xa19q\x93\"\x7fG3\xc1E\xe6e6\xc6\xc2u\x11% \xe7+0\x97\x84;\\\xda\xc4\x80\xc3\xb18N\xbfY%\x05\xf8\x85\x89\xfc\xd2\xd7') sendfile(r6, r7, &(0x7f0000000240)=0x202, 0x4000000000dc) r8 = syz_genetlink_get_family_id$nbd(&(0x7f0000000140)='nbd\x00') ioctl$KVM_S390_UCAS_UNMAP(r7, 0x4018ae51, &(0x7f00000000c0)={0x8000, 0x7ff, 0x2}) sendmsg$NBD_CMD_RECONFIGURE(r7, &(0x7f0000000200)={&(0x7f0000000100)={0x10, 0x0, 0x0, 0x80}, 0xc, &(0x7f00000001c0)={&(0x7f0000000180)={0x1ce, r8, 0xc05, 0x70bd29, 0x25dfdbff}, 0x14}, 0x1, 0x0, 0x0, 0x4}, 0x84) sendmsg$NBD_CMD_STATUS(r5, &(0x7f00000002c0)={&(0x7f0000000180)={0x10, 0x0, 0x0, 0x1000000}, 0xc, &(0x7f0000000280)={&(0x7f00000001c0)={0x28, r8, 0x10, 0x70bd25, 0x25dfdbfb, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x5}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x28}, 0x1, 0x0, 0x0, 0x8b29ba74f3c49941}, 0x4044) r9 = openat$audio(0xffffffffffffff9c, &(0x7f0000003500)='/dev/audio\x00', 0x200000, 0x0) r10 = socket$kcm(0x2b, 0x8000000000001, 0x0) ioctl$PERF_EVENT_IOC_ENABLE(r10, 0x8912, 0x400200) r11 = openat$vcs(0xffffffffffffff9c, &(0x7f0000000000)='/dev/vcs\x00', 0x0, 0x0) r12 = socket$nl_generic(0x10, 0x3, 0x10) poll(&(0x7f0000000040)=[{r11}, {r10}, {r12}], 0x3, 0x6) sendmsg$NBD_CMD_CONNECT(r3, &(0x7f0000003600)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x80}, 0xc, &(0x7f00000035c0)={&(0x7f0000003540)={0x54, r8, 0x300, 0x70bd2b, 0x25dfdbfe, {}, [@NBD_ATTR_SOCKETS={0x2c, 0x7, [{0x8, 0x1, r9}, {0x8, 0x1, r11}, {0x8, 0x1, r0}, {0x8}, {0x8, 0x1, r0}]}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}]}, 0x54}, 0x1, 0x0, 0x0, 0x80000c0}, 0x4000000) 10:46:58 executing program 4: r0 = socket$kcm(0x2b, 0x8000000000001, 0x0) ioctl$PERF_EVENT_IOC_ENABLE(r0, 0x8912, 0x400200) r1 = socket$inet6(0xa, 0x3, 0x6) setsockopt$inet6_IPV6_FLOWLABEL_MGR(r1, 0x29, 0x20, &(0x7f0000000300)={@mcast2, 0x10000, 0x0, 0x102, 0x8000003}, 0x20) 10:46:58 executing program 1: r0 = perf_event_open(&(0x7f0000940000)={0x2, 0x70, 0xfffffffffffffffd, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}}, 0x0, 0x0, 0xffffffffffffffff, 0x0) mmap(&(0x7f00004da000/0x1000)=nil, 0x1000, 0x0, 0x4000012, r0, 0x0) mincore(&(0x7f00003fa000/0x200000)=nil, 0x200169, &(0x7f0000000000)=""/222) 10:46:58 executing program 3: mknod(&(0x7f0000000040)='./bus\x00', 0x2000000000001003, 0x0) r0 = open(&(0x7f0000000100)='./bus\x00', 0x20000000000b04, 0x0) r1 = epoll_create(0x7) epoll_ctl$EPOLL_CTL_ADD(r1, 0x1, r0, &(0x7f00000001c0)) r2 = socket$kcm(0x2b, 0x8000000000001, 0x0) ioctl$PERF_EVENT_IOC_ENABLE(r2, 0x8912, 0x400200) r3 = openat$vcs(0xffffffffffffff9c, &(0x7f0000000000)='/dev/vcs\x00', 0x0, 0x0) r4 = socket$nl_generic(0x10, 0x3, 0x10) poll(&(0x7f0000000040)=[{r3}, {r2}, {r4}], 0x3, 0x6) r5 = socket(0x2000000000000021, 0x2, 0x10000000000002) connect$rxrpc(r5, &(0x7f0000000140)=@in4={0x21, 0x0, 0x2, 0x10, {0x2, 0x0, @rand_addr=0xdd}}, 0x24) sendmmsg(r5, &(0x7f0000005c00)=[{{0x0, 0xfffffffffffffd95, 0x0, 0x0, &(0x7f0000000000)=ANY=[@ANYBLOB="18000800000000001001000001000000ec00000000000000"], 0x18}}], 0x1, 0x0) r6 = socket$inet6(0xa, 0x3, 0x6) mmap(&(0x7f0000ffd000/0x2000)=nil, 0x2000, 0x8, 0x810, 0xffffffffffffffff, 0x0) setsockopt$inet6_IPV6_FLOWLABEL_MGR(r6, 0x29, 0x20, &(0x7f0000000080)={@loopback, 0x800, 0x0, 0x100000003, 0x1, 0x0, 0x0, 0x400000000}, 0x20) setsockopt$inet6_IPV6_FLOWLABEL_MGR(r6, 0x29, 0x20, &(0x7f0000000300)={@mcast2, 0x10000, 0x0, 0x102, 0x8000003}, 0x20) setsockopt$inet6_IPV6_FLOWLABEL_MGR(r6, 0x29, 0x20, &(0x7f0000000040)={@loopback, 0x0, 0x0, 0x1, 0x3}, 0x20) connect$inet6(r6, &(0x7f0000000500)={0xa, 0x0, 0x40f7, @mcast2, 0x7ff}, 0x9) r7 = syz_open_procfs(0x0, &(0x7f0000000600)='net/ip6_flowlabel\x00n\xc01\x14\x894X\xed\xc1\xc9\xd8\xdcK\r\x8d\xae\x98&@\xd0\xe6\xbbQ\xd7\xffYn\x1c\x92\xde\x0e\xaa1\x91\x98\xe9\x1f\nMCi|+\xcdw\xf0\x176Z\xf1`\xac\xf3;\xd6d2\xeb\xe5\f\x0e\x8b\xda\xf7\xfc9\xfe\xff4\xef\'\xa19q\x93\"\x7fG3\xc1E\xe6e6\xc6\xc2u\x11% \xe7+0\x97\x84;\\\xda\xc4\x80\xc3\xb18N\xbfY%\x05\xf8\x85\x89\xfc\xd2\xd7') sendfile(r6, r7, &(0x7f0000000240)=0x202, 0x4000000000dc) r8 = syz_genetlink_get_family_id$nbd(&(0x7f0000000140)='nbd\x00') ioctl$KVM_S390_UCAS_UNMAP(r7, 0x4018ae51, &(0x7f00000000c0)={0x8000, 0x7ff, 0x2}) sendmsg$NBD_CMD_RECONFIGURE(r7, &(0x7f0000000200)={&(0x7f0000000100)={0x10, 0x0, 0x0, 0x80}, 0xc, &(0x7f00000001c0)={&(0x7f0000000180)={0x1ce, r8, 0xc05, 0x70bd29, 0x25dfdbff}, 0x14}, 0x1, 0x0, 0x0, 0x4}, 0x84) sendmsg$NBD_CMD_STATUS(r5, &(0x7f00000002c0)={&(0x7f0000000180)={0x10, 0x0, 0x0, 0x1000000}, 0xc, &(0x7f0000000280)={&(0x7f00000001c0)={0x28, r8, 0x10, 0x70bd25, 0x25dfdbfb, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x5}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x28}, 0x1, 0x0, 0x0, 0x8b29ba74f3c49941}, 0x4044) r9 = openat$audio(0xffffffffffffff9c, &(0x7f0000003500)='/dev/audio\x00', 0x200000, 0x0) r10 = socket$kcm(0x2b, 0x8000000000001, 0x0) ioctl$PERF_EVENT_IOC_ENABLE(r10, 0x8912, 0x400200) r11 = openat$vcs(0xffffffffffffff9c, &(0x7f0000000000)='/dev/vcs\x00', 0x0, 0x0) r12 = socket$nl_generic(0x10, 0x3, 0x10) poll(&(0x7f0000000040)=[{r11}, {r10}, {r12}], 0x3, 0x6) sendmsg$NBD_CMD_CONNECT(r3, &(0x7f0000003600)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x80}, 0xc, &(0x7f00000035c0)={&(0x7f0000003540)={0x54, r8, 0x300, 0x70bd2b, 0x25dfdbfe, {}, [@NBD_ATTR_SOCKETS={0x2c, 0x7, [{0x8, 0x1, r9}, {0x8, 0x1, r11}, {0x8, 0x1, r0}, {0x8}, {0x8, 0x1, r0}]}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}]}, 0x54}, 0x1, 0x0, 0x0, 0x80000c0}, 0x4000000) 10:46:58 executing program 4: r0 = socket$kcm(0x2b, 0x8000000000001, 0x0) ioctl$PERF_EVENT_IOC_ENABLE(r0, 0x8912, 0x400200) r1 = socket$inet6(0xa, 0x3, 0x6) setsockopt$inet6_IPV6_FLOWLABEL_MGR(r1, 0x29, 0x20, &(0x7f0000000300)={@mcast2, 0x10000, 0x0, 0x102, 0x8000003, 0x0, 0x0, 0x2}, 0x20) 10:46:59 executing program 1: r0 = perf_event_open(&(0x7f0000940000)={0x2, 0x70, 0xfffffffffffffffd, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}}, 0x0, 0x0, 0xffffffffffffffff, 0x0) mmap(&(0x7f00004da000/0x1000)=nil, 0x1000, 0x0, 0x4000012, r0, 0x0) mincore(&(0x7f00003fa000/0x200000)=nil, 0x20016a, &(0x7f0000000000)=""/222) 10:46:59 executing program 3: mknod(&(0x7f0000000040)='./bus\x00', 0x2000000000001003, 0x0) r0 = open(&(0x7f0000000100)='./bus\x00', 0x20000000000b04, 0x0) r1 = epoll_create(0x7) epoll_ctl$EPOLL_CTL_ADD(r1, 0x1, r0, &(0x7f00000001c0)) r2 = socket$kcm(0x2b, 0x8000000000001, 0x0) ioctl$PERF_EVENT_IOC_ENABLE(r2, 0x8912, 0x400200) r3 = openat$vcs(0xffffffffffffff9c, &(0x7f0000000000)='/dev/vcs\x00', 0x0, 0x0) r4 = socket$nl_generic(0x10, 0x3, 0x10) poll(&(0x7f0000000040)=[{r3}, {r2}, {r4}], 0x3, 0x6) r5 = socket(0x2000000000000021, 0x2, 0x10000000000002) connect$rxrpc(r5, &(0x7f0000000140)=@in4={0x21, 0x0, 0x2, 0x10, {0x2, 0x0, @rand_addr=0xdd}}, 0x24) sendmmsg(r5, &(0x7f0000005c00)=[{{0x0, 0xfffffffffffffd95, 0x0, 0x0, &(0x7f0000000000)=ANY=[@ANYBLOB="18000800000000001001000001000000ec00000000000000"], 0x18}}], 0x1, 0x0) r6 = socket$inet6(0xa, 0x3, 0x6) mmap(&(0x7f0000ffd000/0x2000)=nil, 0x2000, 0x8, 0x810, 0xffffffffffffffff, 0x0) setsockopt$inet6_IPV6_FLOWLABEL_MGR(r6, 0x29, 0x20, &(0x7f0000000080)={@loopback, 0x800, 0x0, 0x100000003, 0x1, 0x0, 0x0, 0x400000000}, 0x20) setsockopt$inet6_IPV6_FLOWLABEL_MGR(r6, 0x29, 0x20, &(0x7f0000000300)={@mcast2, 0x10000, 0x0, 0x102, 0x8000003}, 0x20) setsockopt$inet6_IPV6_FLOWLABEL_MGR(r6, 0x29, 0x20, &(0x7f0000000040)={@loopback, 0x0, 0x0, 0x1, 0x3}, 0x20) connect$inet6(r6, &(0x7f0000000500)={0xa, 0x0, 0x40f7, @mcast2, 0x7ff}, 0x9) r7 = syz_open_procfs(0x0, &(0x7f0000000600)='net/ip6_flowlabel\x00n\xc01\x14\x894X\xed\xc1\xc9\xd8\xdcK\r\x8d\xae\x98&@\xd0\xe6\xbbQ\xd7\xffYn\x1c\x92\xde\x0e\xaa1\x91\x98\xe9\x1f\nMCi|+\xcdw\xf0\x176Z\xf1`\xac\xf3;\xd6d2\xeb\xe5\f\x0e\x8b\xda\xf7\xfc9\xfe\xff4\xef\'\xa19q\x93\"\x7fG3\xc1E\xe6e6\xc6\xc2u\x11% \xe7+0\x97\x84;\\\xda\xc4\x80\xc3\xb18N\xbfY%\x05\xf8\x85\x89\xfc\xd2\xd7') sendfile(r6, r7, &(0x7f0000000240)=0x202, 0x4000000000dc) r8 = syz_genetlink_get_family_id$nbd(&(0x7f0000000140)='nbd\x00') ioctl$KVM_S390_UCAS_UNMAP(r7, 0x4018ae51, &(0x7f00000000c0)={0x8000, 0x7ff, 0x2}) sendmsg$NBD_CMD_RECONFIGURE(r7, &(0x7f0000000200)={&(0x7f0000000100)={0x10, 0x0, 0x0, 0x80}, 0xc, &(0x7f00000001c0)={&(0x7f0000000180)={0x1ce, r8, 0xc05, 0x70bd29, 0x25dfdbff}, 0x14}, 0x1, 0x0, 0x0, 0x4}, 0x84) sendmsg$NBD_CMD_STATUS(r5, &(0x7f00000002c0)={&(0x7f0000000180)={0x10, 0x0, 0x0, 0x1000000}, 0xc, &(0x7f0000000280)={&(0x7f00000001c0)={0x28, r8, 0x10, 0x70bd25, 0x25dfdbfb, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x5}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x28}, 0x1, 0x0, 0x0, 0x8b29ba74f3c49941}, 0x4044) r9 = openat$audio(0xffffffffffffff9c, &(0x7f0000003500)='/dev/audio\x00', 0x200000, 0x0) r10 = socket$kcm(0x2b, 0x8000000000001, 0x0) ioctl$PERF_EVENT_IOC_ENABLE(r10, 0x8912, 0x400200) r11 = openat$vcs(0xffffffffffffff9c, &(0x7f0000000000)='/dev/vcs\x00', 0x0, 0x0) r12 = socket$nl_generic(0x10, 0x3, 0x10) poll(&(0x7f0000000040)=[{r11}, {r10}, {r12}], 0x3, 0x6) sendmsg$NBD_CMD_CONNECT(r3, &(0x7f0000003600)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x80}, 0xc, &(0x7f00000035c0)={&(0x7f0000003540)={0x54, r8, 0x300, 0x70bd2b, 0x25dfdbfe, {}, [@NBD_ATTR_SOCKETS={0x2c, 0x7, [{0x8, 0x1, r9}, {0x8, 0x1, r11}, {0x8, 0x1, r0}, {0x8}, {0x8, 0x1, r0}]}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}]}, 0x54}, 0x1, 0x0, 0x0, 0x80000c0}, 0x4000000) 10:46:59 executing program 4: r0 = socket$kcm(0x2b, 0x8000000000001, 0x0) ioctl$PERF_EVENT_IOC_ENABLE(r0, 0x8912, 0x400200) r1 = socket$inet6(0xa, 0x3, 0x6) setsockopt$inet6_IPV6_FLOWLABEL_MGR(r1, 0x29, 0x20, &(0x7f0000000300)={@mcast2, 0x10000, 0x0, 0x102, 0x8000003, 0x0, 0x0, 0x5}, 0x20) [ 964.699195][ C0] net_ratelimit: 8 callbacks suppressed [ 964.699206][ C0] protocol 88fb is buggy, dev hsr_slave_0 [ 964.710729][ C0] protocol 88fb is buggy, dev hsr_slave_1 10:46:59 executing program 1: r0 = perf_event_open(&(0x7f0000940000)={0x2, 0x70, 0xfffffffffffffffd, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}}, 0x0, 0x0, 0xffffffffffffffff, 0x0) mmap(&(0x7f00004da000/0x1000)=nil, 0x1000, 0x0, 0x4000012, r0, 0x0) mincore(&(0x7f00003fa000/0x200000)=nil, 0x20016b, &(0x7f0000000000)=""/222) 10:46:59 executing program 3: mknod(&(0x7f0000000040)='./bus\x00', 0x2000000000001003, 0x0) r0 = open(&(0x7f0000000100)='./bus\x00', 0x20000000000b04, 0x0) r1 = epoll_create(0x7) epoll_ctl$EPOLL_CTL_ADD(r1, 0x1, r0, &(0x7f00000001c0)) r2 = socket$kcm(0x2b, 0x8000000000001, 0x0) ioctl$PERF_EVENT_IOC_ENABLE(r2, 0x8912, 0x400200) r3 = openat$vcs(0xffffffffffffff9c, &(0x7f0000000000)='/dev/vcs\x00', 0x0, 0x0) r4 = socket$nl_generic(0x10, 0x3, 0x10) poll(&(0x7f0000000040)=[{r3}, {r2}, {r4}], 0x3, 0x6) r5 = socket(0x2000000000000021, 0x2, 0x10000000000002) connect$rxrpc(r5, &(0x7f0000000140)=@in4={0x21, 0x0, 0x2, 0x10, {0x2, 0x0, @rand_addr=0xdd}}, 0x24) sendmmsg(r5, &(0x7f0000005c00)=[{{0x0, 0xfffffffffffffd95, 0x0, 0x0, &(0x7f0000000000)=ANY=[@ANYBLOB="18000800000000001001000001000000ec00000000000000"], 0x18}}], 0x1, 0x0) r6 = socket$inet6(0xa, 0x3, 0x6) mmap(&(0x7f0000ffd000/0x2000)=nil, 0x2000, 0x8, 0x810, r6, 0x0) setsockopt$inet6_IPV6_FLOWLABEL_MGR(0xffffffffffffffff, 0x29, 0x20, &(0x7f0000000080)={@loopback, 0x800, 0x0, 0x100000003, 0x1, 0x0, 0x0, 0x400000000}, 0x20) setsockopt$inet6_IPV6_FLOWLABEL_MGR(r6, 0x29, 0x20, &(0x7f0000000300)={@mcast2, 0x10000, 0x0, 0x102, 0x8000003}, 0x20) setsockopt$inet6_IPV6_FLOWLABEL_MGR(r6, 0x29, 0x20, &(0x7f0000000040)={@loopback, 0x0, 0x0, 0x1, 0x3}, 0x20) connect$inet6(r6, &(0x7f0000000500)={0xa, 0x0, 0x40f7, @mcast2, 0x7ff}, 0x9) r7 = syz_open_procfs(0x0, &(0x7f0000000600)='net/ip6_flowlabel\x00n\xc01\x14\x894X\xed\xc1\xc9\xd8\xdcK\r\x8d\xae\x98&@\xd0\xe6\xbbQ\xd7\xffYn\x1c\x92\xde\x0e\xaa1\x91\x98\xe9\x1f\nMCi|+\xcdw\xf0\x176Z\xf1`\xac\xf3;\xd6d2\xeb\xe5\f\x0e\x8b\xda\xf7\xfc9\xfe\xff4\xef\'\xa19q\x93\"\x7fG3\xc1E\xe6e6\xc6\xc2u\x11% \xe7+0\x97\x84;\\\xda\xc4\x80\xc3\xb18N\xbfY%\x05\xf8\x85\x89\xfc\xd2\xd7') sendfile(r6, r7, &(0x7f0000000240)=0x202, 0x4000000000dc) r8 = syz_genetlink_get_family_id$nbd(&(0x7f0000000140)='nbd\x00') ioctl$KVM_S390_UCAS_UNMAP(r7, 0x4018ae51, &(0x7f00000000c0)={0x8000, 0x7ff, 0x2}) sendmsg$NBD_CMD_RECONFIGURE(r7, &(0x7f0000000200)={&(0x7f0000000100)={0x10, 0x0, 0x0, 0x80}, 0xc, &(0x7f00000001c0)={&(0x7f0000000180)={0x1ce, r8, 0xc05, 0x70bd29, 0x25dfdbff}, 0x14}, 0x1, 0x0, 0x0, 0x4}, 0x84) sendmsg$NBD_CMD_STATUS(r5, &(0x7f00000002c0)={&(0x7f0000000180)={0x10, 0x0, 0x0, 0x1000000}, 0xc, &(0x7f0000000280)={&(0x7f00000001c0)={0x28, r8, 0x10, 0x70bd25, 0x25dfdbfb, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x5}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x28}, 0x1, 0x0, 0x0, 0x8b29ba74f3c49941}, 0x4044) r9 = openat$audio(0xffffffffffffff9c, &(0x7f0000003500)='/dev/audio\x00', 0x200000, 0x0) r10 = socket$kcm(0x2b, 0x8000000000001, 0x0) ioctl$PERF_EVENT_IOC_ENABLE(r10, 0x8912, 0x400200) r11 = openat$vcs(0xffffffffffffff9c, &(0x7f0000000000)='/dev/vcs\x00', 0x0, 0x0) r12 = socket$nl_generic(0x10, 0x3, 0x10) poll(&(0x7f0000000040)=[{r11}, {r10}, {r12}], 0x3, 0x6) sendmsg$NBD_CMD_CONNECT(r3, &(0x7f0000003600)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x80}, 0xc, &(0x7f00000035c0)={&(0x7f0000003540)={0x54, r8, 0x300, 0x70bd2b, 0x25dfdbfe, {}, [@NBD_ATTR_SOCKETS={0x2c, 0x7, [{0x8, 0x1, r9}, {0x8, 0x1, r11}, {0x8, 0x1, r0}, {0x8}, {0x8, 0x1, r0}]}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}]}, 0x54}, 0x1, 0x0, 0x0, 0x80000c0}, 0x4000000) 10:46:59 executing program 4: r0 = socket$kcm(0x2b, 0x8000000000001, 0x0) ioctl$PERF_EVENT_IOC_ENABLE(r0, 0x8912, 0x400200) r1 = socket$inet6(0xa, 0x3, 0x6) setsockopt$inet6_IPV6_FLOWLABEL_MGR(r1, 0x29, 0x20, &(0x7f0000000300)={@mcast2, 0x10000, 0x0, 0x102, 0x8000003, 0x0, 0x0, 0x500}, 0x20) 10:46:59 executing program 1: r0 = perf_event_open(&(0x7f0000940000)={0x2, 0x70, 0xfffffffffffffffd, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}}, 0x0, 0x0, 0xffffffffffffffff, 0x0) mmap(&(0x7f00004da000/0x1000)=nil, 0x1000, 0x0, 0x4000012, r0, 0x0) mincore(&(0x7f00003fa000/0x200000)=nil, 0x20016c, &(0x7f0000000000)=""/222) 10:46:59 executing program 4: r0 = socket$kcm(0x2b, 0x8000000000001, 0x0) ioctl$PERF_EVENT_IOC_ENABLE(r0, 0x8912, 0x400200) r1 = socket$inet6(0xa, 0x3, 0x6) setsockopt$inet6_IPV6_FLOWLABEL_MGR(r1, 0x29, 0x20, &(0x7f0000000300)={@mcast2, 0x10000, 0x0, 0x102, 0x8000003, 0x0, 0x0, 0x1000000}, 0x20) 10:46:59 executing program 3: mknod(&(0x7f0000000040)='./bus\x00', 0x2000000000001003, 0x0) r0 = open(&(0x7f0000000100)='./bus\x00', 0x20000000000b04, 0x0) r1 = epoll_create(0x7) epoll_ctl$EPOLL_CTL_ADD(r1, 0x1, r0, &(0x7f00000001c0)) r2 = socket$kcm(0x2b, 0x8000000000001, 0x0) ioctl$PERF_EVENT_IOC_ENABLE(r2, 0x8912, 0x400200) r3 = openat$vcs(0xffffffffffffff9c, &(0x7f0000000000)='/dev/vcs\x00', 0x0, 0x0) r4 = socket$nl_generic(0x10, 0x3, 0x10) poll(&(0x7f0000000040)=[{r3}, {r2}, {r4}], 0x3, 0x6) r5 = socket(0x2000000000000021, 0x2, 0x10000000000002) connect$rxrpc(r5, &(0x7f0000000140)=@in4={0x21, 0x0, 0x2, 0x10, {0x2, 0x0, @rand_addr=0xdd}}, 0x24) sendmmsg(r5, &(0x7f0000005c00)=[{{0x0, 0xfffffffffffffd95, 0x0, 0x0, &(0x7f0000000000)=ANY=[@ANYBLOB="18000800000000001001000001000000ec00000000000000"], 0x18}}], 0x1, 0x0) r6 = socket$inet6(0xa, 0x3, 0x6) mmap(&(0x7f0000ffd000/0x2000)=nil, 0x2000, 0x8, 0x810, r6, 0x0) setsockopt$inet6_IPV6_FLOWLABEL_MGR(0xffffffffffffffff, 0x29, 0x20, &(0x7f0000000080)={@loopback, 0x800, 0x0, 0x100000003, 0x1, 0x0, 0x0, 0x400000000}, 0x20) setsockopt$inet6_IPV6_FLOWLABEL_MGR(r6, 0x29, 0x20, &(0x7f0000000300)={@mcast2, 0x10000, 0x0, 0x102, 0x8000003}, 0x20) setsockopt$inet6_IPV6_FLOWLABEL_MGR(r6, 0x29, 0x20, &(0x7f0000000040)={@loopback, 0x0, 0x0, 0x1, 0x3}, 0x20) connect$inet6(r6, &(0x7f0000000500)={0xa, 0x0, 0x40f7, @mcast2, 0x7ff}, 0x9) r7 = syz_open_procfs(0x0, &(0x7f0000000600)='net/ip6_flowlabel\x00n\xc01\x14\x894X\xed\xc1\xc9\xd8\xdcK\r\x8d\xae\x98&@\xd0\xe6\xbbQ\xd7\xffYn\x1c\x92\xde\x0e\xaa1\x91\x98\xe9\x1f\nMCi|+\xcdw\xf0\x176Z\xf1`\xac\xf3;\xd6d2\xeb\xe5\f\x0e\x8b\xda\xf7\xfc9\xfe\xff4\xef\'\xa19q\x93\"\x7fG3\xc1E\xe6e6\xc6\xc2u\x11% \xe7+0\x97\x84;\\\xda\xc4\x80\xc3\xb18N\xbfY%\x05\xf8\x85\x89\xfc\xd2\xd7') sendfile(r6, r7, &(0x7f0000000240)=0x202, 0x4000000000dc) r8 = syz_genetlink_get_family_id$nbd(&(0x7f0000000140)='nbd\x00') ioctl$KVM_S390_UCAS_UNMAP(r7, 0x4018ae51, &(0x7f00000000c0)={0x8000, 0x7ff, 0x2}) sendmsg$NBD_CMD_RECONFIGURE(r7, &(0x7f0000000200)={&(0x7f0000000100)={0x10, 0x0, 0x0, 0x80}, 0xc, &(0x7f00000001c0)={&(0x7f0000000180)={0x1ce, r8, 0xc05, 0x70bd29, 0x25dfdbff}, 0x14}, 0x1, 0x0, 0x0, 0x4}, 0x84) sendmsg$NBD_CMD_STATUS(r5, &(0x7f00000002c0)={&(0x7f0000000180)={0x10, 0x0, 0x0, 0x1000000}, 0xc, &(0x7f0000000280)={&(0x7f00000001c0)={0x28, r8, 0x10, 0x70bd25, 0x25dfdbfb, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x5}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x28}, 0x1, 0x0, 0x0, 0x8b29ba74f3c49941}, 0x4044) r9 = openat$audio(0xffffffffffffff9c, &(0x7f0000003500)='/dev/audio\x00', 0x200000, 0x0) r10 = socket$kcm(0x2b, 0x8000000000001, 0x0) ioctl$PERF_EVENT_IOC_ENABLE(r10, 0x8912, 0x400200) r11 = openat$vcs(0xffffffffffffff9c, &(0x7f0000000000)='/dev/vcs\x00', 0x0, 0x0) r12 = socket$nl_generic(0x10, 0x3, 0x10) poll(&(0x7f0000000040)=[{r11}, {r10}, {r12}], 0x3, 0x6) sendmsg$NBD_CMD_CONNECT(r3, &(0x7f0000003600)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x80}, 0xc, &(0x7f00000035c0)={&(0x7f0000003540)={0x54, r8, 0x300, 0x70bd2b, 0x25dfdbfe, {}, [@NBD_ATTR_SOCKETS={0x2c, 0x7, [{0x8, 0x1, r9}, {0x8, 0x1, r11}, {0x8, 0x1, r0}, {0x8}, {0x8, 0x1, r0}]}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}]}, 0x54}, 0x1, 0x0, 0x0, 0x80000c0}, 0x4000000) [ 965.179215][ C1] protocol 88fb is buggy, dev hsr_slave_0 [ 965.185044][ C1] protocol 88fb is buggy, dev hsr_slave_1 10:46:59 executing program 4: r0 = socket$kcm(0x2b, 0x8000000000001, 0x0) ioctl$PERF_EVENT_IOC_ENABLE(r0, 0x8912, 0x400200) r1 = socket$inet6(0xa, 0x3, 0x6) setsockopt$inet6_IPV6_FLOWLABEL_MGR(r1, 0x29, 0x20, &(0x7f0000000300)={@mcast2, 0x10000, 0x0, 0x102, 0x8000003, 0x0, 0x0, 0x2000000}, 0x20) 10:46:59 executing program 1: r0 = perf_event_open(&(0x7f0000940000)={0x2, 0x70, 0xfffffffffffffffd, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}}, 0x0, 0x0, 0xffffffffffffffff, 0x0) mmap(&(0x7f00004da000/0x1000)=nil, 0x1000, 0x0, 0x4000012, r0, 0x0) mincore(&(0x7f00003fa000/0x200000)=nil, 0x20016d, &(0x7f0000000000)=""/222) 10:47:00 executing program 3: mknod(&(0x7f0000000040)='./bus\x00', 0x2000000000001003, 0x0) r0 = open(&(0x7f0000000100)='./bus\x00', 0x20000000000b04, 0x0) r1 = epoll_create(0x7) epoll_ctl$EPOLL_CTL_ADD(r1, 0x1, r0, &(0x7f00000001c0)) r2 = socket$kcm(0x2b, 0x8000000000001, 0x0) ioctl$PERF_EVENT_IOC_ENABLE(r2, 0x8912, 0x400200) r3 = openat$vcs(0xffffffffffffff9c, &(0x7f0000000000)='/dev/vcs\x00', 0x0, 0x0) r4 = socket$nl_generic(0x10, 0x3, 0x10) poll(&(0x7f0000000040)=[{r3}, {r2}, {r4}], 0x3, 0x6) r5 = socket(0x2000000000000021, 0x2, 0x10000000000002) connect$rxrpc(r5, &(0x7f0000000140)=@in4={0x21, 0x0, 0x2, 0x10, {0x2, 0x0, @rand_addr=0xdd}}, 0x24) sendmmsg(r5, &(0x7f0000005c00)=[{{0x0, 0xfffffffffffffd95, 0x0, 0x0, &(0x7f0000000000)=ANY=[@ANYBLOB="18000800000000001001000001000000ec00000000000000"], 0x18}}], 0x1, 0x0) r6 = socket$inet6(0xa, 0x3, 0x6) mmap(&(0x7f0000ffd000/0x2000)=nil, 0x2000, 0x8, 0x810, r6, 0x0) setsockopt$inet6_IPV6_FLOWLABEL_MGR(0xffffffffffffffff, 0x29, 0x20, &(0x7f0000000080)={@loopback, 0x800, 0x0, 0x100000003, 0x1, 0x0, 0x0, 0x400000000}, 0x20) setsockopt$inet6_IPV6_FLOWLABEL_MGR(r6, 0x29, 0x20, &(0x7f0000000300)={@mcast2, 0x10000, 0x0, 0x102, 0x8000003}, 0x20) setsockopt$inet6_IPV6_FLOWLABEL_MGR(r6, 0x29, 0x20, &(0x7f0000000040)={@loopback, 0x0, 0x0, 0x1, 0x3}, 0x20) connect$inet6(r6, &(0x7f0000000500)={0xa, 0x0, 0x40f7, @mcast2, 0x7ff}, 0x9) r7 = syz_open_procfs(0x0, &(0x7f0000000600)='net/ip6_flowlabel\x00n\xc01\x14\x894X\xed\xc1\xc9\xd8\xdcK\r\x8d\xae\x98&@\xd0\xe6\xbbQ\xd7\xffYn\x1c\x92\xde\x0e\xaa1\x91\x98\xe9\x1f\nMCi|+\xcdw\xf0\x176Z\xf1`\xac\xf3;\xd6d2\xeb\xe5\f\x0e\x8b\xda\xf7\xfc9\xfe\xff4\xef\'\xa19q\x93\"\x7fG3\xc1E\xe6e6\xc6\xc2u\x11% \xe7+0\x97\x84;\\\xda\xc4\x80\xc3\xb18N\xbfY%\x05\xf8\x85\x89\xfc\xd2\xd7') sendfile(r6, r7, &(0x7f0000000240)=0x202, 0x4000000000dc) r8 = syz_genetlink_get_family_id$nbd(&(0x7f0000000140)='nbd\x00') ioctl$KVM_S390_UCAS_UNMAP(r7, 0x4018ae51, &(0x7f00000000c0)={0x8000, 0x7ff, 0x2}) sendmsg$NBD_CMD_RECONFIGURE(r7, &(0x7f0000000200)={&(0x7f0000000100)={0x10, 0x0, 0x0, 0x80}, 0xc, &(0x7f00000001c0)={&(0x7f0000000180)={0x1ce, r8, 0xc05, 0x70bd29, 0x25dfdbff}, 0x14}, 0x1, 0x0, 0x0, 0x4}, 0x84) sendmsg$NBD_CMD_STATUS(r5, &(0x7f00000002c0)={&(0x7f0000000180)={0x10, 0x0, 0x0, 0x1000000}, 0xc, &(0x7f0000000280)={&(0x7f00000001c0)={0x28, r8, 0x10, 0x70bd25, 0x25dfdbfb, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x5}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x28}, 0x1, 0x0, 0x0, 0x8b29ba74f3c49941}, 0x4044) r9 = openat$audio(0xffffffffffffff9c, &(0x7f0000003500)='/dev/audio\x00', 0x200000, 0x0) r10 = socket$kcm(0x2b, 0x8000000000001, 0x0) ioctl$PERF_EVENT_IOC_ENABLE(r10, 0x8912, 0x400200) r11 = openat$vcs(0xffffffffffffff9c, &(0x7f0000000000)='/dev/vcs\x00', 0x0, 0x0) r12 = socket$nl_generic(0x10, 0x3, 0x10) poll(&(0x7f0000000040)=[{r11}, {r10}, {r12}], 0x3, 0x6) sendmsg$NBD_CMD_CONNECT(r3, &(0x7f0000003600)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x80}, 0xc, &(0x7f00000035c0)={&(0x7f0000003540)={0x54, r8, 0x300, 0x70bd2b, 0x25dfdbfe, {}, [@NBD_ATTR_SOCKETS={0x2c, 0x7, [{0x8, 0x1, r9}, {0x8, 0x1, r11}, {0x8, 0x1, r0}, {0x8}, {0x8, 0x1, r0}]}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}]}, 0x54}, 0x1, 0x0, 0x0, 0x80000c0}, 0x4000000) [ 965.499178][ C1] protocol 88fb is buggy, dev hsr_slave_0 [ 965.505000][ C1] protocol 88fb is buggy, dev hsr_slave_1 10:47:00 executing program 4: r0 = socket$kcm(0x2b, 0x8000000000001, 0x0) ioctl$PERF_EVENT_IOC_ENABLE(r0, 0x8912, 0x400200) r1 = socket$inet6(0xa, 0x3, 0x6) setsockopt$inet6_IPV6_FLOWLABEL_MGR(r1, 0x29, 0x20, &(0x7f0000000300)={@mcast2, 0x10000, 0x0, 0x102, 0x8000003, 0x0, 0x0, 0x5000000}, 0x20) 10:47:00 executing program 1: r0 = perf_event_open(&(0x7f0000940000)={0x2, 0x70, 0xfffffffffffffffd, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}}, 0x0, 0x0, 0xffffffffffffffff, 0x0) mmap(&(0x7f00004da000/0x1000)=nil, 0x1000, 0x0, 0x4000012, r0, 0x0) mincore(&(0x7f00003fa000/0x200000)=nil, 0x20016e, &(0x7f0000000000)=""/222) 10:47:00 executing program 3: mknod(&(0x7f0000000040)='./bus\x00', 0x2000000000001003, 0x0) r0 = open(&(0x7f0000000100)='./bus\x00', 0x20000000000b04, 0x0) r1 = epoll_create(0x7) epoll_ctl$EPOLL_CTL_ADD(r1, 0x1, r0, &(0x7f00000001c0)) r2 = socket$kcm(0x2b, 0x8000000000001, 0x0) ioctl$PERF_EVENT_IOC_ENABLE(r2, 0x8912, 0x400200) r3 = openat$vcs(0xffffffffffffff9c, &(0x7f0000000000)='/dev/vcs\x00', 0x0, 0x0) r4 = socket$nl_generic(0x10, 0x3, 0x10) poll(&(0x7f0000000040)=[{r3}, {r2}, {r4}], 0x3, 0x6) r5 = socket(0x2000000000000021, 0x2, 0x10000000000002) connect$rxrpc(r5, &(0x7f0000000140)=@in4={0x21, 0x0, 0x2, 0x10, {0x2, 0x0, @rand_addr=0xdd}}, 0x24) sendmmsg(r5, &(0x7f0000005c00)=[{{0x0, 0xfffffffffffffd95, 0x0, 0x0, &(0x7f0000000000)=ANY=[@ANYBLOB="18000800000000001001000001000000ec00000000000000"], 0x18}}], 0x1, 0x0) r6 = socket$inet6(0xa, 0x3, 0x6) mmap(&(0x7f0000ffd000/0x2000)=nil, 0x2000, 0x8, 0x810, r6, 0x0) setsockopt$inet6_IPV6_FLOWLABEL_MGR(r6, 0x29, 0x20, 0x0, 0x0) setsockopt$inet6_IPV6_FLOWLABEL_MGR(r6, 0x29, 0x20, &(0x7f0000000300)={@mcast2, 0x10000, 0x0, 0x102, 0x8000003}, 0x20) setsockopt$inet6_IPV6_FLOWLABEL_MGR(r6, 0x29, 0x20, &(0x7f0000000040)={@loopback, 0x0, 0x0, 0x1, 0x3}, 0x20) connect$inet6(r6, &(0x7f0000000500)={0xa, 0x0, 0x40f7, @mcast2, 0x7ff}, 0x9) r7 = syz_open_procfs(0x0, &(0x7f0000000600)='net/ip6_flowlabel\x00n\xc01\x14\x894X\xed\xc1\xc9\xd8\xdcK\r\x8d\xae\x98&@\xd0\xe6\xbbQ\xd7\xffYn\x1c\x92\xde\x0e\xaa1\x91\x98\xe9\x1f\nMCi|+\xcdw\xf0\x176Z\xf1`\xac\xf3;\xd6d2\xeb\xe5\f\x0e\x8b\xda\xf7\xfc9\xfe\xff4\xef\'\xa19q\x93\"\x7fG3\xc1E\xe6e6\xc6\xc2u\x11% \xe7+0\x97\x84;\\\xda\xc4\x80\xc3\xb18N\xbfY%\x05\xf8\x85\x89\xfc\xd2\xd7') sendfile(r6, r7, &(0x7f0000000240)=0x202, 0x4000000000dc) r8 = syz_genetlink_get_family_id$nbd(&(0x7f0000000140)='nbd\x00') ioctl$KVM_S390_UCAS_UNMAP(r7, 0x4018ae51, &(0x7f00000000c0)={0x8000, 0x7ff, 0x2}) sendmsg$NBD_CMD_RECONFIGURE(r7, &(0x7f0000000200)={&(0x7f0000000100)={0x10, 0x0, 0x0, 0x80}, 0xc, &(0x7f00000001c0)={&(0x7f0000000180)={0x1ce, r8, 0xc05, 0x70bd29, 0x25dfdbff}, 0x14}, 0x1, 0x0, 0x0, 0x4}, 0x84) sendmsg$NBD_CMD_STATUS(r5, &(0x7f00000002c0)={&(0x7f0000000180)={0x10, 0x0, 0x0, 0x1000000}, 0xc, &(0x7f0000000280)={&(0x7f00000001c0)={0x28, r8, 0x10, 0x70bd25, 0x25dfdbfb, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x5}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x28}, 0x1, 0x0, 0x0, 0x8b29ba74f3c49941}, 0x4044) r9 = openat$audio(0xffffffffffffff9c, &(0x7f0000003500)='/dev/audio\x00', 0x200000, 0x0) r10 = socket$kcm(0x2b, 0x8000000000001, 0x0) ioctl$PERF_EVENT_IOC_ENABLE(r10, 0x8912, 0x400200) r11 = openat$vcs(0xffffffffffffff9c, &(0x7f0000000000)='/dev/vcs\x00', 0x0, 0x0) r12 = socket$nl_generic(0x10, 0x3, 0x10) poll(&(0x7f0000000040)=[{r11}, {r10}, {r12}], 0x3, 0x6) sendmsg$NBD_CMD_CONNECT(r3, &(0x7f0000003600)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x80}, 0xc, &(0x7f00000035c0)={&(0x7f0000003540)={0x54, r8, 0x300, 0x70bd2b, 0x25dfdbfe, {}, [@NBD_ATTR_SOCKETS={0x2c, 0x7, [{0x8, 0x1, r9}, {0x8, 0x1, r11}, {0x8, 0x1, r0}, {0x8}, {0x8, 0x1, r0}]}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}]}, 0x54}, 0x1, 0x0, 0x0, 0x80000c0}, 0x4000000) 10:47:00 executing program 4: r0 = socket$kcm(0x2b, 0x8000000000001, 0x0) ioctl$PERF_EVENT_IOC_ENABLE(r0, 0x8912, 0x400200) r1 = socket$inet6(0xa, 0x3, 0x6) setsockopt$inet6_IPV6_FLOWLABEL_MGR(r1, 0x29, 0x20, &(0x7f0000000300)={@mcast2, 0x10000, 0x0, 0x102, 0x8000003}, 0x2) 10:47:00 executing program 1: r0 = perf_event_open(&(0x7f0000940000)={0x2, 0x70, 0xfffffffffffffffd, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}}, 0x0, 0x0, 0xffffffffffffffff, 0x0) mmap(&(0x7f00004da000/0x1000)=nil, 0x1000, 0x0, 0x4000012, r0, 0x0) mincore(&(0x7f00003fa000/0x200000)=nil, 0x20016f, &(0x7f0000000000)=""/222) [ 965.899180][ C1] protocol 88fb is buggy, dev hsr_slave_0 [ 965.904981][ C1] protocol 88fb is buggy, dev hsr_slave_1 10:47:00 executing program 4: r0 = socket$kcm(0x2b, 0x8000000000001, 0x0) ioctl$PERF_EVENT_IOC_ENABLE(r0, 0x8912, 0x400200) r1 = socket$inet6(0xa, 0x3, 0x6) setsockopt$inet6_IPV6_FLOWLABEL_MGR(r1, 0x29, 0x20, &(0x7f0000000300)={@mcast2, 0x10000, 0x0, 0x102, 0x8000003}, 0x3) 10:47:00 executing program 3: mknod(&(0x7f0000000040)='./bus\x00', 0x2000000000001003, 0x0) r0 = open(&(0x7f0000000100)='./bus\x00', 0x20000000000b04, 0x0) r1 = epoll_create(0x7) epoll_ctl$EPOLL_CTL_ADD(r1, 0x1, r0, &(0x7f00000001c0)) r2 = socket$kcm(0x2b, 0x8000000000001, 0x0) ioctl$PERF_EVENT_IOC_ENABLE(r2, 0x8912, 0x400200) r3 = openat$vcs(0xffffffffffffff9c, &(0x7f0000000000)='/dev/vcs\x00', 0x0, 0x0) r4 = socket$nl_generic(0x10, 0x3, 0x10) poll(&(0x7f0000000040)=[{r3}, {r2}, {r4}], 0x3, 0x6) r5 = socket(0x2000000000000021, 0x2, 0x10000000000002) connect$rxrpc(r5, &(0x7f0000000140)=@in4={0x21, 0x0, 0x2, 0x10, {0x2, 0x0, @rand_addr=0xdd}}, 0x24) sendmmsg(r5, &(0x7f0000005c00)=[{{0x0, 0xfffffffffffffd95, 0x0, 0x0, &(0x7f0000000000)=ANY=[@ANYBLOB="18000800000000001001000001000000ec00000000000000"], 0x18}}], 0x1, 0x0) r6 = socket$inet6(0xa, 0x3, 0x6) mmap(&(0x7f0000ffd000/0x2000)=nil, 0x2000, 0x8, 0x810, r6, 0x0) setsockopt$inet6_IPV6_FLOWLABEL_MGR(r6, 0x29, 0x20, 0x0, 0x0) setsockopt$inet6_IPV6_FLOWLABEL_MGR(r6, 0x29, 0x20, &(0x7f0000000300)={@mcast2, 0x10000, 0x0, 0x102, 0x8000003}, 0x20) setsockopt$inet6_IPV6_FLOWLABEL_MGR(r6, 0x29, 0x20, &(0x7f0000000040)={@loopback, 0x0, 0x0, 0x1, 0x3}, 0x20) connect$inet6(r6, &(0x7f0000000500)={0xa, 0x0, 0x40f7, @mcast2, 0x7ff}, 0x9) r7 = syz_open_procfs(0x0, &(0x7f0000000600)='net/ip6_flowlabel\x00n\xc01\x14\x894X\xed\xc1\xc9\xd8\xdcK\r\x8d\xae\x98&@\xd0\xe6\xbbQ\xd7\xffYn\x1c\x92\xde\x0e\xaa1\x91\x98\xe9\x1f\nMCi|+\xcdw\xf0\x176Z\xf1`\xac\xf3;\xd6d2\xeb\xe5\f\x0e\x8b\xda\xf7\xfc9\xfe\xff4\xef\'\xa19q\x93\"\x7fG3\xc1E\xe6e6\xc6\xc2u\x11% \xe7+0\x97\x84;\\\xda\xc4\x80\xc3\xb18N\xbfY%\x05\xf8\x85\x89\xfc\xd2\xd7') sendfile(r6, r7, &(0x7f0000000240)=0x202, 0x4000000000dc) r8 = syz_genetlink_get_family_id$nbd(&(0x7f0000000140)='nbd\x00') ioctl$KVM_S390_UCAS_UNMAP(r7, 0x4018ae51, &(0x7f00000000c0)={0x8000, 0x7ff, 0x2}) sendmsg$NBD_CMD_RECONFIGURE(r7, &(0x7f0000000200)={&(0x7f0000000100)={0x10, 0x0, 0x0, 0x80}, 0xc, &(0x7f00000001c0)={&(0x7f0000000180)={0x1ce, r8, 0xc05, 0x70bd29, 0x25dfdbff}, 0x14}, 0x1, 0x0, 0x0, 0x4}, 0x84) sendmsg$NBD_CMD_STATUS(r5, &(0x7f00000002c0)={&(0x7f0000000180)={0x10, 0x0, 0x0, 0x1000000}, 0xc, &(0x7f0000000280)={&(0x7f00000001c0)={0x28, r8, 0x10, 0x70bd25, 0x25dfdbfb, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x5}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x28}, 0x1, 0x0, 0x0, 0x8b29ba74f3c49941}, 0x4044) r9 = openat$audio(0xffffffffffffff9c, &(0x7f0000003500)='/dev/audio\x00', 0x200000, 0x0) r10 = socket$kcm(0x2b, 0x8000000000001, 0x0) ioctl$PERF_EVENT_IOC_ENABLE(r10, 0x8912, 0x400200) r11 = openat$vcs(0xffffffffffffff9c, &(0x7f0000000000)='/dev/vcs\x00', 0x0, 0x0) r12 = socket$nl_generic(0x10, 0x3, 0x10) poll(&(0x7f0000000040)=[{r11}, {r10}, {r12}], 0x3, 0x6) sendmsg$NBD_CMD_CONNECT(r3, &(0x7f0000003600)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x80}, 0xc, &(0x7f00000035c0)={&(0x7f0000003540)={0x54, r8, 0x300, 0x70bd2b, 0x25dfdbfe, {}, [@NBD_ATTR_SOCKETS={0x2c, 0x7, [{0x8, 0x1, r9}, {0x8, 0x1, r11}, {0x8, 0x1, r0}, {0x8}, {0x8, 0x1, r0}]}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}]}, 0x54}, 0x1, 0x0, 0x0, 0x80000c0}, 0x4000000) 10:47:00 executing program 1: r0 = perf_event_open(&(0x7f0000940000)={0x2, 0x70, 0xfffffffffffffffd, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}}, 0x0, 0x0, 0xffffffffffffffff, 0x0) mmap(&(0x7f00004da000/0x1000)=nil, 0x1000, 0x0, 0x4000012, r0, 0x0) mincore(&(0x7f00003fa000/0x200000)=nil, 0x200170, &(0x7f0000000000)=""/222) 10:47:00 executing program 4: r0 = socket$kcm(0x2b, 0x8000000000001, 0x0) ioctl$PERF_EVENT_IOC_ENABLE(r0, 0x8912, 0x400200) r1 = socket$inet6(0xa, 0x3, 0x6) setsockopt$inet6_IPV6_FLOWLABEL_MGR(r1, 0x29, 0x20, &(0x7f0000000300)={@mcast2, 0x10000, 0x0, 0x102, 0x8000003}, 0x4) 10:47:00 executing program 3: mknod(&(0x7f0000000040)='./bus\x00', 0x2000000000001003, 0x0) r0 = open(&(0x7f0000000100)='./bus\x00', 0x20000000000b04, 0x0) r1 = epoll_create(0x7) epoll_ctl$EPOLL_CTL_ADD(r1, 0x1, r0, &(0x7f00000001c0)) r2 = socket$kcm(0x2b, 0x8000000000001, 0x0) ioctl$PERF_EVENT_IOC_ENABLE(r2, 0x8912, 0x400200) r3 = openat$vcs(0xffffffffffffff9c, &(0x7f0000000000)='/dev/vcs\x00', 0x0, 0x0) r4 = socket$nl_generic(0x10, 0x3, 0x10) poll(&(0x7f0000000040)=[{r3}, {r2}, {r4}], 0x3, 0x6) r5 = socket(0x2000000000000021, 0x2, 0x10000000000002) connect$rxrpc(r5, &(0x7f0000000140)=@in4={0x21, 0x0, 0x2, 0x10, {0x2, 0x0, @rand_addr=0xdd}}, 0x24) sendmmsg(r5, &(0x7f0000005c00)=[{{0x0, 0xfffffffffffffd95, 0x0, 0x0, &(0x7f0000000000)=ANY=[@ANYBLOB="18000800000000001001000001000000ec00000000000000"], 0x18}}], 0x1, 0x0) r6 = socket$inet6(0xa, 0x3, 0x6) mmap(&(0x7f0000ffd000/0x2000)=nil, 0x2000, 0x8, 0x810, r6, 0x0) setsockopt$inet6_IPV6_FLOWLABEL_MGR(r6, 0x29, 0x20, 0x0, 0x0) setsockopt$inet6_IPV6_FLOWLABEL_MGR(r6, 0x29, 0x20, &(0x7f0000000300)={@mcast2, 0x10000, 0x0, 0x102, 0x8000003}, 0x20) setsockopt$inet6_IPV6_FLOWLABEL_MGR(r6, 0x29, 0x20, &(0x7f0000000040)={@loopback, 0x0, 0x0, 0x1, 0x3}, 0x20) connect$inet6(r6, &(0x7f0000000500)={0xa, 0x0, 0x40f7, @mcast2, 0x7ff}, 0x9) r7 = syz_open_procfs(0x0, &(0x7f0000000600)='net/ip6_flowlabel\x00n\xc01\x14\x894X\xed\xc1\xc9\xd8\xdcK\r\x8d\xae\x98&@\xd0\xe6\xbbQ\xd7\xffYn\x1c\x92\xde\x0e\xaa1\x91\x98\xe9\x1f\nMCi|+\xcdw\xf0\x176Z\xf1`\xac\xf3;\xd6d2\xeb\xe5\f\x0e\x8b\xda\xf7\xfc9\xfe\xff4\xef\'\xa19q\x93\"\x7fG3\xc1E\xe6e6\xc6\xc2u\x11% \xe7+0\x97\x84;\\\xda\xc4\x80\xc3\xb18N\xbfY%\x05\xf8\x85\x89\xfc\xd2\xd7') sendfile(r6, r7, &(0x7f0000000240)=0x202, 0x4000000000dc) r8 = syz_genetlink_get_family_id$nbd(&(0x7f0000000140)='nbd\x00') ioctl$KVM_S390_UCAS_UNMAP(r7, 0x4018ae51, &(0x7f00000000c0)={0x8000, 0x7ff, 0x2}) sendmsg$NBD_CMD_RECONFIGURE(r7, &(0x7f0000000200)={&(0x7f0000000100)={0x10, 0x0, 0x0, 0x80}, 0xc, &(0x7f00000001c0)={&(0x7f0000000180)={0x1ce, r8, 0xc05, 0x70bd29, 0x25dfdbff}, 0x14}, 0x1, 0x0, 0x0, 0x4}, 0x84) sendmsg$NBD_CMD_STATUS(r5, &(0x7f00000002c0)={&(0x7f0000000180)={0x10, 0x0, 0x0, 0x1000000}, 0xc, &(0x7f0000000280)={&(0x7f00000001c0)={0x28, r8, 0x10, 0x70bd25, 0x25dfdbfb, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x5}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x28}, 0x1, 0x0, 0x0, 0x8b29ba74f3c49941}, 0x4044) r9 = openat$audio(0xffffffffffffff9c, &(0x7f0000003500)='/dev/audio\x00', 0x200000, 0x0) r10 = socket$kcm(0x2b, 0x8000000000001, 0x0) ioctl$PERF_EVENT_IOC_ENABLE(r10, 0x8912, 0x400200) r11 = openat$vcs(0xffffffffffffff9c, &(0x7f0000000000)='/dev/vcs\x00', 0x0, 0x0) r12 = socket$nl_generic(0x10, 0x3, 0x10) poll(&(0x7f0000000040)=[{r11}, {r10}, {r12}], 0x3, 0x6) sendmsg$NBD_CMD_CONNECT(r3, &(0x7f0000003600)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x80}, 0xc, &(0x7f00000035c0)={&(0x7f0000003540)={0x54, r8, 0x300, 0x70bd2b, 0x25dfdbfe, {}, [@NBD_ATTR_SOCKETS={0x2c, 0x7, [{0x8, 0x1, r9}, {0x8, 0x1, r11}, {0x8, 0x1, r0}, {0x8}, {0x8, 0x1, r0}]}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}]}, 0x54}, 0x1, 0x0, 0x0, 0x80000c0}, 0x4000000) 10:47:00 executing program 1: r0 = perf_event_open(&(0x7f0000940000)={0x2, 0x70, 0xfffffffffffffffd, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}}, 0x0, 0x0, 0xffffffffffffffff, 0x0) mmap(&(0x7f00004da000/0x1000)=nil, 0x1000, 0x0, 0x4000012, r0, 0x0) mincore(&(0x7f00003fa000/0x200000)=nil, 0x200171, &(0x7f0000000000)=""/222) 10:47:01 executing program 4: r0 = socket$kcm(0x2b, 0x8000000000001, 0x0) ioctl$PERF_EVENT_IOC_ENABLE(r0, 0x8912, 0x400200) r1 = socket$inet6(0xa, 0x3, 0x6) setsockopt$inet6_IPV6_FLOWLABEL_MGR(r1, 0x29, 0x20, &(0x7f0000000300)={@mcast2, 0x10000, 0x0, 0x102, 0x8000003}, 0x5) 10:47:01 executing program 4: r0 = socket$kcm(0x2b, 0x8000000000001, 0x0) ioctl$PERF_EVENT_IOC_ENABLE(r0, 0x8912, 0x400200) r1 = socket$inet6(0xa, 0x3, 0x6) setsockopt$inet6_IPV6_FLOWLABEL_MGR(r1, 0x29, 0x20, &(0x7f0000000300)={@mcast2, 0x10000, 0x0, 0x102, 0x8000003}, 0x6) 10:47:01 executing program 3: mknod(&(0x7f0000000040)='./bus\x00', 0x2000000000001003, 0x0) r0 = open(&(0x7f0000000100)='./bus\x00', 0x20000000000b04, 0x0) r1 = epoll_create(0x7) epoll_ctl$EPOLL_CTL_ADD(r1, 0x1, r0, &(0x7f00000001c0)) r2 = socket$kcm(0x2b, 0x8000000000001, 0x0) ioctl$PERF_EVENT_IOC_ENABLE(r2, 0x8912, 0x400200) r3 = openat$vcs(0xffffffffffffff9c, &(0x7f0000000000)='/dev/vcs\x00', 0x0, 0x0) r4 = socket$nl_generic(0x10, 0x3, 0x10) poll(&(0x7f0000000040)=[{r3}, {r2}, {r4}], 0x3, 0x6) r5 = socket(0x2000000000000021, 0x2, 0x10000000000002) connect$rxrpc(r5, &(0x7f0000000140)=@in4={0x21, 0x0, 0x2, 0x10, {0x2, 0x0, @rand_addr=0xdd}}, 0x24) sendmmsg(r5, &(0x7f0000005c00)=[{{0x0, 0xfffffffffffffd95, 0x0, 0x0, &(0x7f0000000000)=ANY=[@ANYBLOB="18000800000000001001000001000000ec00000000000000"], 0x18}}], 0x1, 0x0) r6 = socket$inet6(0xa, 0x3, 0x6) mmap(&(0x7f0000ffd000/0x2000)=nil, 0x2000, 0x8, 0x810, r6, 0x0) setsockopt$inet6_IPV6_FLOWLABEL_MGR(r6, 0x29, 0x20, &(0x7f0000000080)={@loopback, 0x0, 0x0, 0x100000003, 0x1, 0x0, 0x0, 0x400000000}, 0x20) setsockopt$inet6_IPV6_FLOWLABEL_MGR(r6, 0x29, 0x20, &(0x7f0000000300)={@mcast2, 0x10000, 0x0, 0x102, 0x8000003}, 0x20) setsockopt$inet6_IPV6_FLOWLABEL_MGR(r6, 0x29, 0x20, &(0x7f0000000040)={@loopback, 0x0, 0x0, 0x1, 0x3}, 0x20) connect$inet6(r6, &(0x7f0000000500)={0xa, 0x0, 0x40f7, @mcast2, 0x7ff}, 0x9) r7 = syz_open_procfs(0x0, &(0x7f0000000600)='net/ip6_flowlabel\x00n\xc01\x14\x894X\xed\xc1\xc9\xd8\xdcK\r\x8d\xae\x98&@\xd0\xe6\xbbQ\xd7\xffYn\x1c\x92\xde\x0e\xaa1\x91\x98\xe9\x1f\nMCi|+\xcdw\xf0\x176Z\xf1`\xac\xf3;\xd6d2\xeb\xe5\f\x0e\x8b\xda\xf7\xfc9\xfe\xff4\xef\'\xa19q\x93\"\x7fG3\xc1E\xe6e6\xc6\xc2u\x11% \xe7+0\x97\x84;\\\xda\xc4\x80\xc3\xb18N\xbfY%\x05\xf8\x85\x89\xfc\xd2\xd7') sendfile(r6, r7, &(0x7f0000000240)=0x202, 0x4000000000dc) r8 = syz_genetlink_get_family_id$nbd(&(0x7f0000000140)='nbd\x00') ioctl$KVM_S390_UCAS_UNMAP(r7, 0x4018ae51, &(0x7f00000000c0)={0x8000, 0x7ff, 0x2}) sendmsg$NBD_CMD_RECONFIGURE(r7, &(0x7f0000000200)={&(0x7f0000000100)={0x10, 0x0, 0x0, 0x80}, 0xc, &(0x7f00000001c0)={&(0x7f0000000180)={0x1ce, r8, 0xc05, 0x70bd29, 0x25dfdbff}, 0x14}, 0x1, 0x0, 0x0, 0x4}, 0x84) sendmsg$NBD_CMD_STATUS(r5, &(0x7f00000002c0)={&(0x7f0000000180)={0x10, 0x0, 0x0, 0x1000000}, 0xc, &(0x7f0000000280)={&(0x7f00000001c0)={0x28, r8, 0x10, 0x70bd25, 0x25dfdbfb, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x5}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x28}, 0x1, 0x0, 0x0, 0x8b29ba74f3c49941}, 0x4044) r9 = openat$audio(0xffffffffffffff9c, &(0x7f0000003500)='/dev/audio\x00', 0x200000, 0x0) r10 = socket$kcm(0x2b, 0x8000000000001, 0x0) ioctl$PERF_EVENT_IOC_ENABLE(r10, 0x8912, 0x400200) r11 = openat$vcs(0xffffffffffffff9c, &(0x7f0000000000)='/dev/vcs\x00', 0x0, 0x0) r12 = socket$nl_generic(0x10, 0x3, 0x10) poll(&(0x7f0000000040)=[{r11}, {r10}, {r12}], 0x3, 0x6) sendmsg$NBD_CMD_CONNECT(r3, &(0x7f0000003600)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x80}, 0xc, &(0x7f00000035c0)={&(0x7f0000003540)={0x54, r8, 0x300, 0x70bd2b, 0x25dfdbfe, {}, [@NBD_ATTR_SOCKETS={0x2c, 0x7, [{0x8, 0x1, r9}, {0x8, 0x1, r11}, {0x8, 0x1, r0}, {0x8}, {0x8, 0x1, r0}]}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}]}, 0x54}, 0x1, 0x0, 0x0, 0x80000c0}, 0x4000000) 10:47:01 executing program 1: r0 = perf_event_open(&(0x7f0000940000)={0x2, 0x70, 0xfffffffffffffffd, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}}, 0x0, 0x0, 0xffffffffffffffff, 0x0) mmap(&(0x7f00004da000/0x1000)=nil, 0x1000, 0x0, 0x4000012, r0, 0x0) mincore(&(0x7f00003fa000/0x200000)=nil, 0x200172, &(0x7f0000000000)=""/222) [ 966.779223][ C0] protocol 88fb is buggy, dev hsr_slave_0 [ 966.785019][ C0] protocol 88fb is buggy, dev hsr_slave_1 10:47:01 executing program 4: r0 = socket$kcm(0x2b, 0x8000000000001, 0x0) ioctl$PERF_EVENT_IOC_ENABLE(r0, 0x8912, 0x400200) r1 = socket$inet6(0xa, 0x3, 0x6) setsockopt$inet6_IPV6_FLOWLABEL_MGR(r1, 0x29, 0x20, &(0x7f0000000300)={@mcast2, 0x10000, 0x0, 0x102, 0x8000003}, 0x7) 10:47:01 executing program 3: mknod(&(0x7f0000000040)='./bus\x00', 0x2000000000001003, 0x0) r0 = open(&(0x7f0000000100)='./bus\x00', 0x20000000000b04, 0x0) r1 = epoll_create(0x7) epoll_ctl$EPOLL_CTL_ADD(r1, 0x1, r0, &(0x7f00000001c0)) r2 = socket$kcm(0x2b, 0x8000000000001, 0x0) ioctl$PERF_EVENT_IOC_ENABLE(r2, 0x8912, 0x400200) r3 = openat$vcs(0xffffffffffffff9c, &(0x7f0000000000)='/dev/vcs\x00', 0x0, 0x0) r4 = socket$nl_generic(0x10, 0x3, 0x10) poll(&(0x7f0000000040)=[{r3}, {r2}, {r4}], 0x3, 0x6) r5 = socket(0x2000000000000021, 0x2, 0x10000000000002) connect$rxrpc(r5, &(0x7f0000000140)=@in4={0x21, 0x0, 0x2, 0x10, {0x2, 0x0, @rand_addr=0xdd}}, 0x24) sendmmsg(r5, &(0x7f0000005c00)=[{{0x0, 0xfffffffffffffd95, 0x0, 0x0, &(0x7f0000000000)=ANY=[@ANYBLOB="18000800000000001001000001000000ec00000000000000"], 0x18}}], 0x1, 0x0) r6 = socket$inet6(0xa, 0x3, 0x6) mmap(&(0x7f0000ffd000/0x2000)=nil, 0x2000, 0x8, 0x810, r6, 0x0) setsockopt$inet6_IPV6_FLOWLABEL_MGR(r6, 0x29, 0x20, &(0x7f0000000080)={@loopback, 0x0, 0x0, 0x100000003, 0x1, 0x0, 0x0, 0x400000000}, 0x20) setsockopt$inet6_IPV6_FLOWLABEL_MGR(r6, 0x29, 0x20, &(0x7f0000000300)={@mcast2, 0x10000, 0x0, 0x102, 0x8000003}, 0x20) setsockopt$inet6_IPV6_FLOWLABEL_MGR(r6, 0x29, 0x20, &(0x7f0000000040)={@loopback, 0x0, 0x0, 0x1, 0x3}, 0x20) connect$inet6(r6, &(0x7f0000000500)={0xa, 0x0, 0x40f7, @mcast2, 0x7ff}, 0x9) r7 = syz_open_procfs(0x0, &(0x7f0000000600)='net/ip6_flowlabel\x00n\xc01\x14\x894X\xed\xc1\xc9\xd8\xdcK\r\x8d\xae\x98&@\xd0\xe6\xbbQ\xd7\xffYn\x1c\x92\xde\x0e\xaa1\x91\x98\xe9\x1f\nMCi|+\xcdw\xf0\x176Z\xf1`\xac\xf3;\xd6d2\xeb\xe5\f\x0e\x8b\xda\xf7\xfc9\xfe\xff4\xef\'\xa19q\x93\"\x7fG3\xc1E\xe6e6\xc6\xc2u\x11% \xe7+0\x97\x84;\\\xda\xc4\x80\xc3\xb18N\xbfY%\x05\xf8\x85\x89\xfc\xd2\xd7') sendfile(r6, r7, &(0x7f0000000240)=0x202, 0x4000000000dc) r8 = syz_genetlink_get_family_id$nbd(&(0x7f0000000140)='nbd\x00') ioctl$KVM_S390_UCAS_UNMAP(r7, 0x4018ae51, &(0x7f00000000c0)={0x8000, 0x7ff, 0x2}) sendmsg$NBD_CMD_RECONFIGURE(r7, &(0x7f0000000200)={&(0x7f0000000100)={0x10, 0x0, 0x0, 0x80}, 0xc, &(0x7f00000001c0)={&(0x7f0000000180)={0x1ce, r8, 0xc05, 0x70bd29, 0x25dfdbff}, 0x14}, 0x1, 0x0, 0x0, 0x4}, 0x84) sendmsg$NBD_CMD_STATUS(r5, &(0x7f00000002c0)={&(0x7f0000000180)={0x10, 0x0, 0x0, 0x1000000}, 0xc, &(0x7f0000000280)={&(0x7f00000001c0)={0x28, r8, 0x10, 0x70bd25, 0x25dfdbfb, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x5}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x28}, 0x1, 0x0, 0x0, 0x8b29ba74f3c49941}, 0x4044) r9 = openat$audio(0xffffffffffffff9c, &(0x7f0000003500)='/dev/audio\x00', 0x200000, 0x0) r10 = socket$kcm(0x2b, 0x8000000000001, 0x0) ioctl$PERF_EVENT_IOC_ENABLE(r10, 0x8912, 0x400200) r11 = openat$vcs(0xffffffffffffff9c, &(0x7f0000000000)='/dev/vcs\x00', 0x0, 0x0) r12 = socket$nl_generic(0x10, 0x3, 0x10) poll(&(0x7f0000000040)=[{r11}, {r10}, {r12}], 0x3, 0x6) sendmsg$NBD_CMD_CONNECT(r3, &(0x7f0000003600)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x80}, 0xc, &(0x7f00000035c0)={&(0x7f0000003540)={0x54, r8, 0x300, 0x70bd2b, 0x25dfdbfe, {}, [@NBD_ATTR_SOCKETS={0x2c, 0x7, [{0x8, 0x1, r9}, {0x8, 0x1, r11}, {0x8, 0x1, r0}, {0x8}, {0x8, 0x1, r0}]}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}]}, 0x54}, 0x1, 0x0, 0x0, 0x80000c0}, 0x4000000) 10:47:01 executing program 1: r0 = perf_event_open(&(0x7f0000940000)={0x2, 0x70, 0xfffffffffffffffd, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}}, 0x0, 0x0, 0xffffffffffffffff, 0x0) mmap(&(0x7f00004da000/0x1000)=nil, 0x1000, 0x0, 0x4000012, r0, 0x0) mincore(&(0x7f00003fa000/0x200000)=nil, 0x200173, &(0x7f0000000000)=""/222) 10:47:01 executing program 4: r0 = socket$kcm(0x2b, 0x8000000000001, 0x0) ioctl$PERF_EVENT_IOC_ENABLE(r0, 0x8912, 0x400200) r1 = socket$inet6(0xa, 0x3, 0x6) setsockopt$inet6_IPV6_FLOWLABEL_MGR(r1, 0x29, 0x20, &(0x7f0000000300)={@mcast2, 0x10000, 0x0, 0x102, 0x8000003}, 0x8) 10:47:01 executing program 3: mknod(&(0x7f0000000040)='./bus\x00', 0x2000000000001003, 0x0) r0 = open(&(0x7f0000000100)='./bus\x00', 0x20000000000b04, 0x0) r1 = epoll_create(0x7) epoll_ctl$EPOLL_CTL_ADD(r1, 0x1, r0, &(0x7f00000001c0)) r2 = socket$kcm(0x2b, 0x8000000000001, 0x0) ioctl$PERF_EVENT_IOC_ENABLE(r2, 0x8912, 0x400200) r3 = openat$vcs(0xffffffffffffff9c, &(0x7f0000000000)='/dev/vcs\x00', 0x0, 0x0) r4 = socket$nl_generic(0x10, 0x3, 0x10) poll(&(0x7f0000000040)=[{r3}, {r2}, {r4}], 0x3, 0x6) r5 = socket(0x2000000000000021, 0x2, 0x10000000000002) connect$rxrpc(r5, &(0x7f0000000140)=@in4={0x21, 0x0, 0x2, 0x10, {0x2, 0x0, @rand_addr=0xdd}}, 0x24) sendmmsg(r5, &(0x7f0000005c00)=[{{0x0, 0xfffffffffffffd95, 0x0, 0x0, &(0x7f0000000000)=ANY=[@ANYBLOB="18000800000000001001000001000000ec00000000000000"], 0x18}}], 0x1, 0x0) r6 = socket$inet6(0xa, 0x3, 0x6) mmap(&(0x7f0000ffd000/0x2000)=nil, 0x2000, 0x8, 0x810, r6, 0x0) setsockopt$inet6_IPV6_FLOWLABEL_MGR(r6, 0x29, 0x20, &(0x7f0000000080)={@loopback, 0x0, 0x0, 0x100000003, 0x1, 0x0, 0x0, 0x400000000}, 0x20) setsockopt$inet6_IPV6_FLOWLABEL_MGR(r6, 0x29, 0x20, &(0x7f0000000300)={@mcast2, 0x10000, 0x0, 0x102, 0x8000003}, 0x20) setsockopt$inet6_IPV6_FLOWLABEL_MGR(r6, 0x29, 0x20, &(0x7f0000000040)={@loopback, 0x0, 0x0, 0x1, 0x3}, 0x20) connect$inet6(r6, &(0x7f0000000500)={0xa, 0x0, 0x40f7, @mcast2, 0x7ff}, 0x9) r7 = syz_open_procfs(0x0, &(0x7f0000000600)='net/ip6_flowlabel\x00n\xc01\x14\x894X\xed\xc1\xc9\xd8\xdcK\r\x8d\xae\x98&@\xd0\xe6\xbbQ\xd7\xffYn\x1c\x92\xde\x0e\xaa1\x91\x98\xe9\x1f\nMCi|+\xcdw\xf0\x176Z\xf1`\xac\xf3;\xd6d2\xeb\xe5\f\x0e\x8b\xda\xf7\xfc9\xfe\xff4\xef\'\xa19q\x93\"\x7fG3\xc1E\xe6e6\xc6\xc2u\x11% \xe7+0\x97\x84;\\\xda\xc4\x80\xc3\xb18N\xbfY%\x05\xf8\x85\x89\xfc\xd2\xd7') sendfile(r6, r7, &(0x7f0000000240)=0x202, 0x4000000000dc) r8 = syz_genetlink_get_family_id$nbd(&(0x7f0000000140)='nbd\x00') ioctl$KVM_S390_UCAS_UNMAP(r7, 0x4018ae51, &(0x7f00000000c0)={0x8000, 0x7ff, 0x2}) sendmsg$NBD_CMD_RECONFIGURE(r7, &(0x7f0000000200)={&(0x7f0000000100)={0x10, 0x0, 0x0, 0x80}, 0xc, &(0x7f00000001c0)={&(0x7f0000000180)={0x1ce, r8, 0xc05, 0x70bd29, 0x25dfdbff}, 0x14}, 0x1, 0x0, 0x0, 0x4}, 0x84) sendmsg$NBD_CMD_STATUS(r5, &(0x7f00000002c0)={&(0x7f0000000180)={0x10, 0x0, 0x0, 0x1000000}, 0xc, &(0x7f0000000280)={&(0x7f00000001c0)={0x28, r8, 0x10, 0x70bd25, 0x25dfdbfb, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x5}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x28}, 0x1, 0x0, 0x0, 0x8b29ba74f3c49941}, 0x4044) r9 = openat$audio(0xffffffffffffff9c, &(0x7f0000003500)='/dev/audio\x00', 0x200000, 0x0) r10 = socket$kcm(0x2b, 0x8000000000001, 0x0) ioctl$PERF_EVENT_IOC_ENABLE(r10, 0x8912, 0x400200) r11 = openat$vcs(0xffffffffffffff9c, &(0x7f0000000000)='/dev/vcs\x00', 0x0, 0x0) r12 = socket$nl_generic(0x10, 0x3, 0x10) poll(&(0x7f0000000040)=[{r11}, {r10}, {r12}], 0x3, 0x6) sendmsg$NBD_CMD_CONNECT(r3, &(0x7f0000003600)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x80}, 0xc, &(0x7f00000035c0)={&(0x7f0000003540)={0x54, r8, 0x300, 0x70bd2b, 0x25dfdbfe, {}, [@NBD_ATTR_SOCKETS={0x2c, 0x7, [{0x8, 0x1, r9}, {0x8, 0x1, r11}, {0x8, 0x1, r0}, {0x8}, {0x8, 0x1, r0}]}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}]}, 0x54}, 0x1, 0x0, 0x0, 0x80000c0}, 0x4000000) 10:47:01 executing program 4: r0 = socket$kcm(0x2b, 0x8000000000001, 0x0) ioctl$PERF_EVENT_IOC_ENABLE(r0, 0x8912, 0x400200) r1 = socket$inet6(0xa, 0x3, 0x6) setsockopt$inet6_IPV6_FLOWLABEL_MGR(r1, 0x29, 0x20, &(0x7f0000000300)={@mcast2, 0x10000, 0x0, 0x102, 0x8000003}, 0xb) 10:47:01 executing program 1: r0 = perf_event_open(&(0x7f0000940000)={0x2, 0x70, 0xfffffffffffffffd, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}}, 0x0, 0x0, 0xffffffffffffffff, 0x0) mmap(&(0x7f00004da000/0x1000)=nil, 0x1000, 0x0, 0x4000012, r0, 0x0) mincore(&(0x7f00003fa000/0x200000)=nil, 0x200174, &(0x7f0000000000)=""/222) 10:47:01 executing program 4: r0 = socket$kcm(0x2b, 0x8000000000001, 0x0) ioctl$PERF_EVENT_IOC_ENABLE(r0, 0x8912, 0x400200) r1 = socket$inet6(0xa, 0x3, 0x6) setsockopt$inet6_IPV6_FLOWLABEL_MGR(r1, 0x29, 0x20, &(0x7f0000000300)={@mcast2, 0x10000, 0x0, 0x102, 0x8000003}, 0x10) 10:47:02 executing program 3: mknod(&(0x7f0000000040)='./bus\x00', 0x2000000000001003, 0x0) r0 = open(&(0x7f0000000100)='./bus\x00', 0x20000000000b04, 0x0) r1 = epoll_create(0x7) epoll_ctl$EPOLL_CTL_ADD(r1, 0x1, r0, &(0x7f00000001c0)) r2 = socket$kcm(0x2b, 0x8000000000001, 0x0) ioctl$PERF_EVENT_IOC_ENABLE(r2, 0x8912, 0x400200) r3 = openat$vcs(0xffffffffffffff9c, &(0x7f0000000000)='/dev/vcs\x00', 0x0, 0x0) r4 = socket$nl_generic(0x10, 0x3, 0x10) poll(&(0x7f0000000040)=[{r3}, {r2}, {r4}], 0x3, 0x6) r5 = socket(0x2000000000000021, 0x2, 0x10000000000002) connect$rxrpc(r5, &(0x7f0000000140)=@in4={0x21, 0x0, 0x2, 0x10, {0x2, 0x0, @rand_addr=0xdd}}, 0x24) sendmmsg(r5, &(0x7f0000005c00)=[{{0x0, 0xfffffffffffffd95, 0x0, 0x0, &(0x7f0000000000)=ANY=[@ANYBLOB="18000800000000001001000001000000ec00000000000000"], 0x18}}], 0x1, 0x0) r6 = socket$inet6(0xa, 0x3, 0x6) mmap(&(0x7f0000ffd000/0x2000)=nil, 0x2000, 0x8, 0x810, r6, 0x0) setsockopt$inet6_IPV6_FLOWLABEL_MGR(r6, 0x29, 0x20, &(0x7f0000000080)={@loopback, 0x800, 0x0, 0x0, 0x1, 0x0, 0x0, 0x400000000}, 0x20) setsockopt$inet6_IPV6_FLOWLABEL_MGR(r6, 0x29, 0x20, &(0x7f0000000300)={@mcast2, 0x10000, 0x0, 0x102, 0x8000003}, 0x20) setsockopt$inet6_IPV6_FLOWLABEL_MGR(r6, 0x29, 0x20, &(0x7f0000000040)={@loopback, 0x0, 0x0, 0x1, 0x3}, 0x20) connect$inet6(r6, &(0x7f0000000500)={0xa, 0x0, 0x40f7, @mcast2, 0x7ff}, 0x9) r7 = syz_open_procfs(0x0, &(0x7f0000000600)='net/ip6_flowlabel\x00n\xc01\x14\x894X\xed\xc1\xc9\xd8\xdcK\r\x8d\xae\x98&@\xd0\xe6\xbbQ\xd7\xffYn\x1c\x92\xde\x0e\xaa1\x91\x98\xe9\x1f\nMCi|+\xcdw\xf0\x176Z\xf1`\xac\xf3;\xd6d2\xeb\xe5\f\x0e\x8b\xda\xf7\xfc9\xfe\xff4\xef\'\xa19q\x93\"\x7fG3\xc1E\xe6e6\xc6\xc2u\x11% \xe7+0\x97\x84;\\\xda\xc4\x80\xc3\xb18N\xbfY%\x05\xf8\x85\x89\xfc\xd2\xd7') sendfile(r6, r7, &(0x7f0000000240)=0x202, 0x4000000000dc) r8 = syz_genetlink_get_family_id$nbd(&(0x7f0000000140)='nbd\x00') ioctl$KVM_S390_UCAS_UNMAP(r7, 0x4018ae51, &(0x7f00000000c0)={0x8000, 0x7ff, 0x2}) sendmsg$NBD_CMD_RECONFIGURE(r7, &(0x7f0000000200)={&(0x7f0000000100)={0x10, 0x0, 0x0, 0x80}, 0xc, &(0x7f00000001c0)={&(0x7f0000000180)={0x1ce, r8, 0xc05, 0x70bd29, 0x25dfdbff}, 0x14}, 0x1, 0x0, 0x0, 0x4}, 0x84) sendmsg$NBD_CMD_STATUS(r5, &(0x7f00000002c0)={&(0x7f0000000180)={0x10, 0x0, 0x0, 0x1000000}, 0xc, &(0x7f0000000280)={&(0x7f00000001c0)={0x28, r8, 0x10, 0x70bd25, 0x25dfdbfb, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x5}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x28}, 0x1, 0x0, 0x0, 0x8b29ba74f3c49941}, 0x4044) r9 = openat$audio(0xffffffffffffff9c, &(0x7f0000003500)='/dev/audio\x00', 0x200000, 0x0) r10 = socket$kcm(0x2b, 0x8000000000001, 0x0) ioctl$PERF_EVENT_IOC_ENABLE(r10, 0x8912, 0x400200) r11 = openat$vcs(0xffffffffffffff9c, &(0x7f0000000000)='/dev/vcs\x00', 0x0, 0x0) r12 = socket$nl_generic(0x10, 0x3, 0x10) poll(&(0x7f0000000040)=[{r11}, {r10}, {r12}], 0x3, 0x6) sendmsg$NBD_CMD_CONNECT(r3, &(0x7f0000003600)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x80}, 0xc, &(0x7f00000035c0)={&(0x7f0000003540)={0x54, r8, 0x300, 0x70bd2b, 0x25dfdbfe, {}, [@NBD_ATTR_SOCKETS={0x2c, 0x7, [{0x8, 0x1, r9}, {0x8, 0x1, r11}, {0x8, 0x1, r0}, {0x8}, {0x8, 0x1, r0}]}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}]}, 0x54}, 0x1, 0x0, 0x0, 0x80000c0}, 0x4000000) 10:47:02 executing program 4: r0 = socket$kcm(0x2b, 0x8000000000001, 0x0) ioctl$PERF_EVENT_IOC_ENABLE(r0, 0x8912, 0x400200) r1 = socket$inet6(0xa, 0x3, 0x6) setsockopt$inet6_IPV6_FLOWLABEL_MGR(r1, 0x29, 0x20, &(0x7f0000000300)={@mcast2, 0x10000, 0x0, 0x102, 0x8000003}, 0x11) 10:47:02 executing program 1: r0 = perf_event_open(&(0x7f0000940000)={0x2, 0x70, 0xfffffffffffffffd, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}}, 0x0, 0x0, 0xffffffffffffffff, 0x0) mmap(&(0x7f00004da000/0x1000)=nil, 0x1000, 0x0, 0x4000012, r0, 0x0) mincore(&(0x7f00003fa000/0x200000)=nil, 0x200175, &(0x7f0000000000)=""/222) 10:47:02 executing program 4: r0 = socket$kcm(0x2b, 0x8000000000001, 0x0) ioctl$PERF_EVENT_IOC_ENABLE(r0, 0x8912, 0x400200) r1 = socket$inet6(0xa, 0x3, 0x6) setsockopt$inet6_IPV6_FLOWLABEL_MGR(r1, 0x29, 0x20, &(0x7f0000000300)={@mcast2, 0x10000, 0x0, 0x102, 0x8000003}, 0x12) 10:47:02 executing program 3: mknod(&(0x7f0000000040)='./bus\x00', 0x2000000000001003, 0x0) r0 = open(&(0x7f0000000100)='./bus\x00', 0x20000000000b04, 0x0) r1 = epoll_create(0x7) epoll_ctl$EPOLL_CTL_ADD(r1, 0x1, r0, &(0x7f00000001c0)) r2 = socket$kcm(0x2b, 0x8000000000001, 0x0) ioctl$PERF_EVENT_IOC_ENABLE(r2, 0x8912, 0x400200) r3 = openat$vcs(0xffffffffffffff9c, &(0x7f0000000000)='/dev/vcs\x00', 0x0, 0x0) r4 = socket$nl_generic(0x10, 0x3, 0x10) poll(&(0x7f0000000040)=[{r3}, {r2}, {r4}], 0x3, 0x6) r5 = socket(0x2000000000000021, 0x2, 0x10000000000002) connect$rxrpc(r5, &(0x7f0000000140)=@in4={0x21, 0x0, 0x2, 0x10, {0x2, 0x0, @rand_addr=0xdd}}, 0x24) sendmmsg(r5, &(0x7f0000005c00)=[{{0x0, 0xfffffffffffffd95, 0x0, 0x0, &(0x7f0000000000)=ANY=[@ANYBLOB="18000800000000001001000001000000ec00000000000000"], 0x18}}], 0x1, 0x0) r6 = socket$inet6(0xa, 0x3, 0x6) mmap(&(0x7f0000ffd000/0x2000)=nil, 0x2000, 0x8, 0x810, r6, 0x0) setsockopt$inet6_IPV6_FLOWLABEL_MGR(r6, 0x29, 0x20, &(0x7f0000000080)={@loopback, 0x800, 0x0, 0x0, 0x1, 0x0, 0x0, 0x400000000}, 0x20) setsockopt$inet6_IPV6_FLOWLABEL_MGR(r6, 0x29, 0x20, &(0x7f0000000300)={@mcast2, 0x10000, 0x0, 0x102, 0x8000003}, 0x20) setsockopt$inet6_IPV6_FLOWLABEL_MGR(r6, 0x29, 0x20, &(0x7f0000000040)={@loopback, 0x0, 0x0, 0x1, 0x3}, 0x20) connect$inet6(r6, &(0x7f0000000500)={0xa, 0x0, 0x40f7, @mcast2, 0x7ff}, 0x9) r7 = syz_open_procfs(0x0, &(0x7f0000000600)='net/ip6_flowlabel\x00n\xc01\x14\x894X\xed\xc1\xc9\xd8\xdcK\r\x8d\xae\x98&@\xd0\xe6\xbbQ\xd7\xffYn\x1c\x92\xde\x0e\xaa1\x91\x98\xe9\x1f\nMCi|+\xcdw\xf0\x176Z\xf1`\xac\xf3;\xd6d2\xeb\xe5\f\x0e\x8b\xda\xf7\xfc9\xfe\xff4\xef\'\xa19q\x93\"\x7fG3\xc1E\xe6e6\xc6\xc2u\x11% \xe7+0\x97\x84;\\\xda\xc4\x80\xc3\xb18N\xbfY%\x05\xf8\x85\x89\xfc\xd2\xd7') sendfile(r6, r7, &(0x7f0000000240)=0x202, 0x4000000000dc) r8 = syz_genetlink_get_family_id$nbd(&(0x7f0000000140)='nbd\x00') ioctl$KVM_S390_UCAS_UNMAP(r7, 0x4018ae51, &(0x7f00000000c0)={0x8000, 0x7ff, 0x2}) sendmsg$NBD_CMD_RECONFIGURE(r7, &(0x7f0000000200)={&(0x7f0000000100)={0x10, 0x0, 0x0, 0x80}, 0xc, &(0x7f00000001c0)={&(0x7f0000000180)={0x1ce, r8, 0xc05, 0x70bd29, 0x25dfdbff}, 0x14}, 0x1, 0x0, 0x0, 0x4}, 0x84) sendmsg$NBD_CMD_STATUS(r5, &(0x7f00000002c0)={&(0x7f0000000180)={0x10, 0x0, 0x0, 0x1000000}, 0xc, &(0x7f0000000280)={&(0x7f00000001c0)={0x28, r8, 0x10, 0x70bd25, 0x25dfdbfb, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x5}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x28}, 0x1, 0x0, 0x0, 0x8b29ba74f3c49941}, 0x4044) r9 = openat$audio(0xffffffffffffff9c, &(0x7f0000003500)='/dev/audio\x00', 0x200000, 0x0) r10 = socket$kcm(0x2b, 0x8000000000001, 0x0) ioctl$PERF_EVENT_IOC_ENABLE(r10, 0x8912, 0x400200) r11 = openat$vcs(0xffffffffffffff9c, &(0x7f0000000000)='/dev/vcs\x00', 0x0, 0x0) r12 = socket$nl_generic(0x10, 0x3, 0x10) poll(&(0x7f0000000040)=[{r11}, {r10}, {r12}], 0x3, 0x6) sendmsg$NBD_CMD_CONNECT(r3, &(0x7f0000003600)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x80}, 0xc, &(0x7f00000035c0)={&(0x7f0000003540)={0x54, r8, 0x300, 0x70bd2b, 0x25dfdbfe, {}, [@NBD_ATTR_SOCKETS={0x2c, 0x7, [{0x8, 0x1, r9}, {0x8, 0x1, r11}, {0x8, 0x1, r0}, {0x8}, {0x8, 0x1, r0}]}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}]}, 0x54}, 0x1, 0x0, 0x0, 0x80000c0}, 0x4000000) 10:47:02 executing program 1: r0 = perf_event_open(&(0x7f0000940000)={0x2, 0x70, 0xfffffffffffffffd, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}}, 0x0, 0x0, 0xffffffffffffffff, 0x0) mmap(&(0x7f00004da000/0x1000)=nil, 0x1000, 0x0, 0x4000012, r0, 0x0) mincore(&(0x7f00003fa000/0x200000)=nil, 0x200176, &(0x7f0000000000)=""/222) 10:47:02 executing program 4: r0 = socket$kcm(0x2b, 0x8000000000001, 0x0) ioctl$PERF_EVENT_IOC_ENABLE(r0, 0x8912, 0x400200) r1 = socket$inet6(0xa, 0x3, 0x6) setsockopt$inet6_IPV6_FLOWLABEL_MGR(r1, 0x29, 0x20, &(0x7f0000000300)={@mcast2, 0x10000, 0x0, 0x102, 0x8000003}, 0x13) 10:47:02 executing program 3: mknod(&(0x7f0000000040)='./bus\x00', 0x2000000000001003, 0x0) r0 = open(&(0x7f0000000100)='./bus\x00', 0x20000000000b04, 0x0) r1 = epoll_create(0x7) epoll_ctl$EPOLL_CTL_ADD(r1, 0x1, r0, &(0x7f00000001c0)) r2 = socket$kcm(0x2b, 0x8000000000001, 0x0) ioctl$PERF_EVENT_IOC_ENABLE(r2, 0x8912, 0x400200) r3 = openat$vcs(0xffffffffffffff9c, &(0x7f0000000000)='/dev/vcs\x00', 0x0, 0x0) r4 = socket$nl_generic(0x10, 0x3, 0x10) poll(&(0x7f0000000040)=[{r3}, {r2}, {r4}], 0x3, 0x6) r5 = socket(0x2000000000000021, 0x2, 0x10000000000002) connect$rxrpc(r5, &(0x7f0000000140)=@in4={0x21, 0x0, 0x2, 0x10, {0x2, 0x0, @rand_addr=0xdd}}, 0x24) sendmmsg(r5, &(0x7f0000005c00)=[{{0x0, 0xfffffffffffffd95, 0x0, 0x0, &(0x7f0000000000)=ANY=[@ANYBLOB="18000800000000001001000001000000ec00000000000000"], 0x18}}], 0x1, 0x0) r6 = socket$inet6(0xa, 0x3, 0x6) mmap(&(0x7f0000ffd000/0x2000)=nil, 0x2000, 0x8, 0x810, r6, 0x0) setsockopt$inet6_IPV6_FLOWLABEL_MGR(r6, 0x29, 0x20, &(0x7f0000000080)={@loopback, 0x800, 0x0, 0x0, 0x1, 0x0, 0x0, 0x400000000}, 0x20) setsockopt$inet6_IPV6_FLOWLABEL_MGR(r6, 0x29, 0x20, &(0x7f0000000300)={@mcast2, 0x10000, 0x0, 0x102, 0x8000003}, 0x20) setsockopt$inet6_IPV6_FLOWLABEL_MGR(r6, 0x29, 0x20, &(0x7f0000000040)={@loopback, 0x0, 0x0, 0x1, 0x3}, 0x20) connect$inet6(r6, &(0x7f0000000500)={0xa, 0x0, 0x40f7, @mcast2, 0x7ff}, 0x9) r7 = syz_open_procfs(0x0, &(0x7f0000000600)='net/ip6_flowlabel\x00n\xc01\x14\x894X\xed\xc1\xc9\xd8\xdcK\r\x8d\xae\x98&@\xd0\xe6\xbbQ\xd7\xffYn\x1c\x92\xde\x0e\xaa1\x91\x98\xe9\x1f\nMCi|+\xcdw\xf0\x176Z\xf1`\xac\xf3;\xd6d2\xeb\xe5\f\x0e\x8b\xda\xf7\xfc9\xfe\xff4\xef\'\xa19q\x93\"\x7fG3\xc1E\xe6e6\xc6\xc2u\x11% \xe7+0\x97\x84;\\\xda\xc4\x80\xc3\xb18N\xbfY%\x05\xf8\x85\x89\xfc\xd2\xd7') sendfile(r6, r7, &(0x7f0000000240)=0x202, 0x4000000000dc) r8 = syz_genetlink_get_family_id$nbd(&(0x7f0000000140)='nbd\x00') ioctl$KVM_S390_UCAS_UNMAP(r7, 0x4018ae51, &(0x7f00000000c0)={0x8000, 0x7ff, 0x2}) sendmsg$NBD_CMD_RECONFIGURE(r7, &(0x7f0000000200)={&(0x7f0000000100)={0x10, 0x0, 0x0, 0x80}, 0xc, &(0x7f00000001c0)={&(0x7f0000000180)={0x1ce, r8, 0xc05, 0x70bd29, 0x25dfdbff}, 0x14}, 0x1, 0x0, 0x0, 0x4}, 0x84) sendmsg$NBD_CMD_STATUS(r5, &(0x7f00000002c0)={&(0x7f0000000180)={0x10, 0x0, 0x0, 0x1000000}, 0xc, &(0x7f0000000280)={&(0x7f00000001c0)={0x28, r8, 0x10, 0x70bd25, 0x25dfdbfb, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x5}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x28}, 0x1, 0x0, 0x0, 0x8b29ba74f3c49941}, 0x4044) r9 = openat$audio(0xffffffffffffff9c, &(0x7f0000003500)='/dev/audio\x00', 0x200000, 0x0) r10 = socket$kcm(0x2b, 0x8000000000001, 0x0) ioctl$PERF_EVENT_IOC_ENABLE(r10, 0x8912, 0x400200) r11 = openat$vcs(0xffffffffffffff9c, &(0x7f0000000000)='/dev/vcs\x00', 0x0, 0x0) r12 = socket$nl_generic(0x10, 0x3, 0x10) poll(&(0x7f0000000040)=[{r11}, {r10}, {r12}], 0x3, 0x6) sendmsg$NBD_CMD_CONNECT(r3, &(0x7f0000003600)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x80}, 0xc, &(0x7f00000035c0)={&(0x7f0000003540)={0x54, r8, 0x300, 0x70bd2b, 0x25dfdbfe, {}, [@NBD_ATTR_SOCKETS={0x2c, 0x7, [{0x8, 0x1, r9}, {0x8, 0x1, r11}, {0x8, 0x1, r0}, {0x8}, {0x8, 0x1, r0}]}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}]}, 0x54}, 0x1, 0x0, 0x0, 0x80000c0}, 0x4000000) 10:47:02 executing program 1: r0 = perf_event_open(&(0x7f0000940000)={0x2, 0x70, 0xfffffffffffffffd, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}}, 0x0, 0x0, 0xffffffffffffffff, 0x0) mmap(&(0x7f00004da000/0x1000)=nil, 0x1000, 0x0, 0x4000012, r0, 0x0) mincore(&(0x7f00003fa000/0x200000)=nil, 0x200177, &(0x7f0000000000)=""/222) 10:47:02 executing program 4: r0 = socket$kcm(0x2b, 0x8000000000001, 0x0) ioctl$PERF_EVENT_IOC_ENABLE(r0, 0x8912, 0x400200) r1 = socket$inet6(0xa, 0x3, 0x6) setsockopt$inet6_IPV6_FLOWLABEL_MGR(r1, 0x29, 0x20, &(0x7f0000000300)={@mcast2, 0x10000, 0x0, 0x102, 0x8000003}, 0x14) 10:47:03 executing program 4: r0 = socket$kcm(0x2b, 0x8000000000001, 0x0) ioctl$PERF_EVENT_IOC_ENABLE(r0, 0x8912, 0x400200) r1 = socket$inet6(0xa, 0x3, 0x6) setsockopt$inet6_IPV6_FLOWLABEL_MGR(r1, 0x29, 0x20, &(0x7f0000000300)={@mcast2, 0x10000, 0x0, 0x102, 0x8000003}, 0x15) 10:47:03 executing program 3: mknod(&(0x7f0000000040)='./bus\x00', 0x2000000000001003, 0x0) r0 = open(&(0x7f0000000100)='./bus\x00', 0x20000000000b04, 0x0) r1 = epoll_create(0x7) epoll_ctl$EPOLL_CTL_ADD(r1, 0x1, r0, &(0x7f00000001c0)) r2 = socket$kcm(0x2b, 0x8000000000001, 0x0) ioctl$PERF_EVENT_IOC_ENABLE(r2, 0x8912, 0x400200) r3 = openat$vcs(0xffffffffffffff9c, &(0x7f0000000000)='/dev/vcs\x00', 0x0, 0x0) r4 = socket$nl_generic(0x10, 0x3, 0x10) poll(&(0x7f0000000040)=[{r3}, {r2}, {r4}], 0x3, 0x6) r5 = socket(0x2000000000000021, 0x2, 0x10000000000002) connect$rxrpc(r5, &(0x7f0000000140)=@in4={0x21, 0x0, 0x2, 0x10, {0x2, 0x0, @rand_addr=0xdd}}, 0x24) sendmmsg(r5, &(0x7f0000005c00)=[{{0x0, 0xfffffffffffffd95, 0x0, 0x0, &(0x7f0000000000)=ANY=[@ANYBLOB="18000800000000001001000001000000ec00000000000000"], 0x18}}], 0x1, 0x0) r6 = socket$inet6(0xa, 0x3, 0x6) mmap(&(0x7f0000ffd000/0x2000)=nil, 0x2000, 0x8, 0x810, r6, 0x0) setsockopt$inet6_IPV6_FLOWLABEL_MGR(r6, 0x29, 0x20, &(0x7f0000000080)={@loopback, 0x800, 0x0, 0x100000003, 0x0, 0x0, 0x0, 0x400000000}, 0x20) setsockopt$inet6_IPV6_FLOWLABEL_MGR(r6, 0x29, 0x20, &(0x7f0000000300)={@mcast2, 0x10000, 0x0, 0x102, 0x8000003}, 0x20) setsockopt$inet6_IPV6_FLOWLABEL_MGR(r6, 0x29, 0x20, &(0x7f0000000040)={@loopback, 0x0, 0x0, 0x1, 0x3}, 0x20) connect$inet6(r6, &(0x7f0000000500)={0xa, 0x0, 0x40f7, @mcast2, 0x7ff}, 0x9) r7 = syz_open_procfs(0x0, &(0x7f0000000600)='net/ip6_flowlabel\x00n\xc01\x14\x894X\xed\xc1\xc9\xd8\xdcK\r\x8d\xae\x98&@\xd0\xe6\xbbQ\xd7\xffYn\x1c\x92\xde\x0e\xaa1\x91\x98\xe9\x1f\nMCi|+\xcdw\xf0\x176Z\xf1`\xac\xf3;\xd6d2\xeb\xe5\f\x0e\x8b\xda\xf7\xfc9\xfe\xff4\xef\'\xa19q\x93\"\x7fG3\xc1E\xe6e6\xc6\xc2u\x11% \xe7+0\x97\x84;\\\xda\xc4\x80\xc3\xb18N\xbfY%\x05\xf8\x85\x89\xfc\xd2\xd7') sendfile(r6, r7, &(0x7f0000000240)=0x202, 0x4000000000dc) r8 = syz_genetlink_get_family_id$nbd(&(0x7f0000000140)='nbd\x00') ioctl$KVM_S390_UCAS_UNMAP(r7, 0x4018ae51, &(0x7f00000000c0)={0x8000, 0x7ff, 0x2}) sendmsg$NBD_CMD_RECONFIGURE(r7, &(0x7f0000000200)={&(0x7f0000000100)={0x10, 0x0, 0x0, 0x80}, 0xc, &(0x7f00000001c0)={&(0x7f0000000180)={0x1ce, r8, 0xc05, 0x70bd29, 0x25dfdbff}, 0x14}, 0x1, 0x0, 0x0, 0x4}, 0x84) sendmsg$NBD_CMD_STATUS(r5, &(0x7f00000002c0)={&(0x7f0000000180)={0x10, 0x0, 0x0, 0x1000000}, 0xc, &(0x7f0000000280)={&(0x7f00000001c0)={0x28, r8, 0x10, 0x70bd25, 0x25dfdbfb, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x5}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x28}, 0x1, 0x0, 0x0, 0x8b29ba74f3c49941}, 0x4044) r9 = openat$audio(0xffffffffffffff9c, &(0x7f0000003500)='/dev/audio\x00', 0x200000, 0x0) r10 = socket$kcm(0x2b, 0x8000000000001, 0x0) ioctl$PERF_EVENT_IOC_ENABLE(r10, 0x8912, 0x400200) r11 = openat$vcs(0xffffffffffffff9c, &(0x7f0000000000)='/dev/vcs\x00', 0x0, 0x0) r12 = socket$nl_generic(0x10, 0x3, 0x10) poll(&(0x7f0000000040)=[{r11}, {r10}, {r12}], 0x3, 0x6) sendmsg$NBD_CMD_CONNECT(r3, &(0x7f0000003600)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x80}, 0xc, &(0x7f00000035c0)={&(0x7f0000003540)={0x54, r8, 0x300, 0x70bd2b, 0x25dfdbfe, {}, [@NBD_ATTR_SOCKETS={0x2c, 0x7, [{0x8, 0x1, r9}, {0x8, 0x1, r11}, {0x8, 0x1, r0}, {0x8}, {0x8, 0x1, r0}]}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}]}, 0x54}, 0x1, 0x0, 0x0, 0x80000c0}, 0x4000000) 10:47:03 executing program 1: r0 = perf_event_open(&(0x7f0000940000)={0x2, 0x70, 0xfffffffffffffffd, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}}, 0x0, 0x0, 0xffffffffffffffff, 0x0) mmap(&(0x7f00004da000/0x1000)=nil, 0x1000, 0x0, 0x4000012, r0, 0x0) mincore(&(0x7f00003fa000/0x200000)=nil, 0x200178, &(0x7f0000000000)=""/222) 10:47:03 executing program 4: r0 = socket$kcm(0x2b, 0x8000000000001, 0x0) ioctl$PERF_EVENT_IOC_ENABLE(r0, 0x8912, 0x400200) r1 = socket$inet6(0xa, 0x3, 0x6) setsockopt$inet6_IPV6_FLOWLABEL_MGR(r1, 0x29, 0x20, &(0x7f0000000300)={@mcast2, 0x10000, 0x0, 0x102, 0x8000003}, 0x16) 10:47:03 executing program 3: mknod(&(0x7f0000000040)='./bus\x00', 0x2000000000001003, 0x0) r0 = open(&(0x7f0000000100)='./bus\x00', 0x20000000000b04, 0x0) r1 = epoll_create(0x7) epoll_ctl$EPOLL_CTL_ADD(r1, 0x1, r0, &(0x7f00000001c0)) r2 = socket$kcm(0x2b, 0x8000000000001, 0x0) ioctl$PERF_EVENT_IOC_ENABLE(r2, 0x8912, 0x400200) r3 = openat$vcs(0xffffffffffffff9c, &(0x7f0000000000)='/dev/vcs\x00', 0x0, 0x0) r4 = socket$nl_generic(0x10, 0x3, 0x10) poll(&(0x7f0000000040)=[{r3}, {r2}, {r4}], 0x3, 0x6) r5 = socket(0x2000000000000021, 0x2, 0x10000000000002) connect$rxrpc(r5, &(0x7f0000000140)=@in4={0x21, 0x0, 0x2, 0x10, {0x2, 0x0, @rand_addr=0xdd}}, 0x24) sendmmsg(r5, &(0x7f0000005c00)=[{{0x0, 0xfffffffffffffd95, 0x0, 0x0, &(0x7f0000000000)=ANY=[@ANYBLOB="18000800000000001001000001000000ec00000000000000"], 0x18}}], 0x1, 0x0) r6 = socket$inet6(0xa, 0x3, 0x6) mmap(&(0x7f0000ffd000/0x2000)=nil, 0x2000, 0x8, 0x810, r6, 0x0) setsockopt$inet6_IPV6_FLOWLABEL_MGR(r6, 0x29, 0x20, &(0x7f0000000080)={@loopback, 0x800, 0x0, 0x100000003, 0x0, 0x0, 0x0, 0x400000000}, 0x20) setsockopt$inet6_IPV6_FLOWLABEL_MGR(r6, 0x29, 0x20, &(0x7f0000000300)={@mcast2, 0x10000, 0x0, 0x102, 0x8000003}, 0x20) setsockopt$inet6_IPV6_FLOWLABEL_MGR(r6, 0x29, 0x20, &(0x7f0000000040)={@loopback, 0x0, 0x0, 0x1, 0x3}, 0x20) connect$inet6(r6, &(0x7f0000000500)={0xa, 0x0, 0x40f7, @mcast2, 0x7ff}, 0x9) r7 = syz_open_procfs(0x0, &(0x7f0000000600)='net/ip6_flowlabel\x00n\xc01\x14\x894X\xed\xc1\xc9\xd8\xdcK\r\x8d\xae\x98&@\xd0\xe6\xbbQ\xd7\xffYn\x1c\x92\xde\x0e\xaa1\x91\x98\xe9\x1f\nMCi|+\xcdw\xf0\x176Z\xf1`\xac\xf3;\xd6d2\xeb\xe5\f\x0e\x8b\xda\xf7\xfc9\xfe\xff4\xef\'\xa19q\x93\"\x7fG3\xc1E\xe6e6\xc6\xc2u\x11% \xe7+0\x97\x84;\\\xda\xc4\x80\xc3\xb18N\xbfY%\x05\xf8\x85\x89\xfc\xd2\xd7') sendfile(r6, r7, &(0x7f0000000240)=0x202, 0x4000000000dc) r8 = syz_genetlink_get_family_id$nbd(&(0x7f0000000140)='nbd\x00') ioctl$KVM_S390_UCAS_UNMAP(r7, 0x4018ae51, &(0x7f00000000c0)={0x8000, 0x7ff, 0x2}) sendmsg$NBD_CMD_RECONFIGURE(r7, &(0x7f0000000200)={&(0x7f0000000100)={0x10, 0x0, 0x0, 0x80}, 0xc, &(0x7f00000001c0)={&(0x7f0000000180)={0x1ce, r8, 0xc05, 0x70bd29, 0x25dfdbff}, 0x14}, 0x1, 0x0, 0x0, 0x4}, 0x84) sendmsg$NBD_CMD_STATUS(r5, &(0x7f00000002c0)={&(0x7f0000000180)={0x10, 0x0, 0x0, 0x1000000}, 0xc, &(0x7f0000000280)={&(0x7f00000001c0)={0x28, r8, 0x10, 0x70bd25, 0x25dfdbfb, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x5}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x28}, 0x1, 0x0, 0x0, 0x8b29ba74f3c49941}, 0x4044) r9 = openat$audio(0xffffffffffffff9c, &(0x7f0000003500)='/dev/audio\x00', 0x200000, 0x0) r10 = socket$kcm(0x2b, 0x8000000000001, 0x0) ioctl$PERF_EVENT_IOC_ENABLE(r10, 0x8912, 0x400200) r11 = openat$vcs(0xffffffffffffff9c, &(0x7f0000000000)='/dev/vcs\x00', 0x0, 0x0) r12 = socket$nl_generic(0x10, 0x3, 0x10) poll(&(0x7f0000000040)=[{r11}, {r10}, {r12}], 0x3, 0x6) sendmsg$NBD_CMD_CONNECT(r3, &(0x7f0000003600)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x80}, 0xc, &(0x7f00000035c0)={&(0x7f0000003540)={0x54, r8, 0x300, 0x70bd2b, 0x25dfdbfe, {}, [@NBD_ATTR_SOCKETS={0x2c, 0x7, [{0x8, 0x1, r9}, {0x8, 0x1, r11}, {0x8, 0x1, r0}, {0x8}, {0x8, 0x1, r0}]}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}]}, 0x54}, 0x1, 0x0, 0x0, 0x80000c0}, 0x4000000) 10:47:03 executing program 4: r0 = socket$kcm(0x2b, 0x8000000000001, 0x0) ioctl$PERF_EVENT_IOC_ENABLE(r0, 0x8912, 0x400200) r1 = socket$inet6(0xa, 0x3, 0x6) setsockopt$inet6_IPV6_FLOWLABEL_MGR(r1, 0x29, 0x20, &(0x7f0000000300)={@mcast2, 0x10000, 0x0, 0x102, 0x8000003}, 0x17) 10:47:03 executing program 1: r0 = perf_event_open(&(0x7f0000940000)={0x2, 0x70, 0xfffffffffffffffd, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}}, 0x0, 0x0, 0xffffffffffffffff, 0x0) mmap(&(0x7f00004da000/0x1000)=nil, 0x1000, 0x0, 0x4000012, r0, 0x0) mincore(&(0x7f00003fa000/0x200000)=nil, 0x200179, &(0x7f0000000000)=""/222) 10:47:03 executing program 4: r0 = socket$kcm(0x2b, 0x8000000000001, 0x0) ioctl$PERF_EVENT_IOC_ENABLE(r0, 0x8912, 0x400200) r1 = socket$inet6(0xa, 0x3, 0x6) setsockopt$inet6_IPV6_FLOWLABEL_MGR(r1, 0x29, 0x20, &(0x7f0000000300)={@mcast2, 0x10000, 0x0, 0x102, 0x8000003}, 0x18) 10:47:03 executing program 3: mknod(&(0x7f0000000040)='./bus\x00', 0x2000000000001003, 0x0) r0 = open(&(0x7f0000000100)='./bus\x00', 0x20000000000b04, 0x0) r1 = epoll_create(0x7) epoll_ctl$EPOLL_CTL_ADD(r1, 0x1, r0, &(0x7f00000001c0)) r2 = socket$kcm(0x2b, 0x8000000000001, 0x0) ioctl$PERF_EVENT_IOC_ENABLE(r2, 0x8912, 0x400200) r3 = openat$vcs(0xffffffffffffff9c, &(0x7f0000000000)='/dev/vcs\x00', 0x0, 0x0) r4 = socket$nl_generic(0x10, 0x3, 0x10) poll(&(0x7f0000000040)=[{r3}, {r2}, {r4}], 0x3, 0x6) r5 = socket(0x2000000000000021, 0x2, 0x10000000000002) connect$rxrpc(r5, &(0x7f0000000140)=@in4={0x21, 0x0, 0x2, 0x10, {0x2, 0x0, @rand_addr=0xdd}}, 0x24) sendmmsg(r5, &(0x7f0000005c00)=[{{0x0, 0xfffffffffffffd95, 0x0, 0x0, &(0x7f0000000000)=ANY=[@ANYBLOB="18000800000000001001000001000000ec00000000000000"], 0x18}}], 0x1, 0x0) r6 = socket$inet6(0xa, 0x3, 0x6) mmap(&(0x7f0000ffd000/0x2000)=nil, 0x2000, 0x8, 0x810, r6, 0x0) setsockopt$inet6_IPV6_FLOWLABEL_MGR(r6, 0x29, 0x20, &(0x7f0000000080)={@loopback, 0x800, 0x0, 0x100000003, 0x0, 0x0, 0x0, 0x400000000}, 0x20) setsockopt$inet6_IPV6_FLOWLABEL_MGR(r6, 0x29, 0x20, &(0x7f0000000300)={@mcast2, 0x10000, 0x0, 0x102, 0x8000003}, 0x20) setsockopt$inet6_IPV6_FLOWLABEL_MGR(r6, 0x29, 0x20, &(0x7f0000000040)={@loopback, 0x0, 0x0, 0x1, 0x3}, 0x20) connect$inet6(r6, &(0x7f0000000500)={0xa, 0x0, 0x40f7, @mcast2, 0x7ff}, 0x9) r7 = syz_open_procfs(0x0, &(0x7f0000000600)='net/ip6_flowlabel\x00n\xc01\x14\x894X\xed\xc1\xc9\xd8\xdcK\r\x8d\xae\x98&@\xd0\xe6\xbbQ\xd7\xffYn\x1c\x92\xde\x0e\xaa1\x91\x98\xe9\x1f\nMCi|+\xcdw\xf0\x176Z\xf1`\xac\xf3;\xd6d2\xeb\xe5\f\x0e\x8b\xda\xf7\xfc9\xfe\xff4\xef\'\xa19q\x93\"\x7fG3\xc1E\xe6e6\xc6\xc2u\x11% \xe7+0\x97\x84;\\\xda\xc4\x80\xc3\xb18N\xbfY%\x05\xf8\x85\x89\xfc\xd2\xd7') sendfile(r6, r7, &(0x7f0000000240)=0x202, 0x4000000000dc) r8 = syz_genetlink_get_family_id$nbd(&(0x7f0000000140)='nbd\x00') ioctl$KVM_S390_UCAS_UNMAP(r7, 0x4018ae51, &(0x7f00000000c0)={0x8000, 0x7ff, 0x2}) sendmsg$NBD_CMD_RECONFIGURE(r7, &(0x7f0000000200)={&(0x7f0000000100)={0x10, 0x0, 0x0, 0x80}, 0xc, &(0x7f00000001c0)={&(0x7f0000000180)={0x1ce, r8, 0xc05, 0x70bd29, 0x25dfdbff}, 0x14}, 0x1, 0x0, 0x0, 0x4}, 0x84) sendmsg$NBD_CMD_STATUS(r5, &(0x7f00000002c0)={&(0x7f0000000180)={0x10, 0x0, 0x0, 0x1000000}, 0xc, &(0x7f0000000280)={&(0x7f00000001c0)={0x28, r8, 0x10, 0x70bd25, 0x25dfdbfb, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x5}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x28}, 0x1, 0x0, 0x0, 0x8b29ba74f3c49941}, 0x4044) r9 = openat$audio(0xffffffffffffff9c, &(0x7f0000003500)='/dev/audio\x00', 0x200000, 0x0) r10 = socket$kcm(0x2b, 0x8000000000001, 0x0) ioctl$PERF_EVENT_IOC_ENABLE(r10, 0x8912, 0x400200) r11 = openat$vcs(0xffffffffffffff9c, &(0x7f0000000000)='/dev/vcs\x00', 0x0, 0x0) r12 = socket$nl_generic(0x10, 0x3, 0x10) poll(&(0x7f0000000040)=[{r11}, {r10}, {r12}], 0x3, 0x6) sendmsg$NBD_CMD_CONNECT(r3, &(0x7f0000003600)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x80}, 0xc, &(0x7f00000035c0)={&(0x7f0000003540)={0x54, r8, 0x300, 0x70bd2b, 0x25dfdbfe, {}, [@NBD_ATTR_SOCKETS={0x2c, 0x7, [{0x8, 0x1, r9}, {0x8, 0x1, r11}, {0x8, 0x1, r0}, {0x8}, {0x8, 0x1, r0}]}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}]}, 0x54}, 0x1, 0x0, 0x0, 0x80000c0}, 0x4000000) 10:47:03 executing program 1: r0 = perf_event_open(&(0x7f0000940000)={0x2, 0x70, 0xfffffffffffffffd, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}}, 0x0, 0x0, 0xffffffffffffffff, 0x0) mmap(&(0x7f00004da000/0x1000)=nil, 0x1000, 0x0, 0x4000012, r0, 0x0) mincore(&(0x7f00003fa000/0x200000)=nil, 0x20017a, &(0x7f0000000000)=""/222) 10:47:03 executing program 4: r0 = socket$kcm(0x2b, 0x8000000000001, 0x0) ioctl$PERF_EVENT_IOC_ENABLE(r0, 0x8912, 0x400200) r1 = socket$inet6(0xa, 0x3, 0x6) setsockopt$inet6_IPV6_FLOWLABEL_MGR(r1, 0x29, 0x20, &(0x7f0000000300)={@mcast2, 0x10000, 0x0, 0x102, 0x8000003}, 0x19) 10:47:03 executing program 3: mknod(&(0x7f0000000040)='./bus\x00', 0x2000000000001003, 0x0) r0 = open(&(0x7f0000000100)='./bus\x00', 0x20000000000b04, 0x0) r1 = epoll_create(0x7) epoll_ctl$EPOLL_CTL_ADD(r1, 0x1, r0, &(0x7f00000001c0)) r2 = socket$kcm(0x2b, 0x8000000000001, 0x0) ioctl$PERF_EVENT_IOC_ENABLE(r2, 0x8912, 0x400200) r3 = openat$vcs(0xffffffffffffff9c, &(0x7f0000000000)='/dev/vcs\x00', 0x0, 0x0) r4 = socket$nl_generic(0x10, 0x3, 0x10) poll(&(0x7f0000000040)=[{r3}, {r2}, {r4}], 0x3, 0x6) r5 = socket(0x2000000000000021, 0x2, 0x10000000000002) connect$rxrpc(r5, &(0x7f0000000140)=@in4={0x21, 0x0, 0x2, 0x10, {0x2, 0x0, @rand_addr=0xdd}}, 0x24) sendmmsg(r5, &(0x7f0000005c00)=[{{0x0, 0xfffffffffffffd95, 0x0, 0x0, &(0x7f0000000000)=ANY=[@ANYBLOB="18000800000000001001000001000000ec00000000000000"], 0x18}}], 0x1, 0x0) r6 = socket$inet6(0xa, 0x3, 0x6) mmap(&(0x7f0000ffd000/0x2000)=nil, 0x2000, 0x8, 0x810, r6, 0x0) setsockopt$inet6_IPV6_FLOWLABEL_MGR(r6, 0x29, 0x20, &(0x7f0000000080)={@loopback, 0x800, 0x0, 0x100000003, 0x1, 0x0, 0x0, 0x400000000}, 0x20) setsockopt$inet6_IPV6_FLOWLABEL_MGR(0xffffffffffffffff, 0x29, 0x20, &(0x7f0000000300)={@mcast2, 0x10000, 0x0, 0x102, 0x8000003}, 0x20) setsockopt$inet6_IPV6_FLOWLABEL_MGR(r6, 0x29, 0x20, &(0x7f0000000040)={@loopback, 0x0, 0x0, 0x1, 0x3}, 0x20) connect$inet6(r6, &(0x7f0000000500)={0xa, 0x0, 0x40f7, @mcast2, 0x7ff}, 0x9) r7 = syz_open_procfs(0x0, &(0x7f0000000600)='net/ip6_flowlabel\x00n\xc01\x14\x894X\xed\xc1\xc9\xd8\xdcK\r\x8d\xae\x98&@\xd0\xe6\xbbQ\xd7\xffYn\x1c\x92\xde\x0e\xaa1\x91\x98\xe9\x1f\nMCi|+\xcdw\xf0\x176Z\xf1`\xac\xf3;\xd6d2\xeb\xe5\f\x0e\x8b\xda\xf7\xfc9\xfe\xff4\xef\'\xa19q\x93\"\x7fG3\xc1E\xe6e6\xc6\xc2u\x11% \xe7+0\x97\x84;\\\xda\xc4\x80\xc3\xb18N\xbfY%\x05\xf8\x85\x89\xfc\xd2\xd7') sendfile(r6, r7, &(0x7f0000000240)=0x202, 0x4000000000dc) r8 = syz_genetlink_get_family_id$nbd(&(0x7f0000000140)='nbd\x00') ioctl$KVM_S390_UCAS_UNMAP(r7, 0x4018ae51, &(0x7f00000000c0)={0x8000, 0x7ff, 0x2}) sendmsg$NBD_CMD_RECONFIGURE(r7, &(0x7f0000000200)={&(0x7f0000000100)={0x10, 0x0, 0x0, 0x80}, 0xc, &(0x7f00000001c0)={&(0x7f0000000180)={0x1ce, r8, 0xc05, 0x70bd29, 0x25dfdbff}, 0x14}, 0x1, 0x0, 0x0, 0x4}, 0x84) sendmsg$NBD_CMD_STATUS(r5, &(0x7f00000002c0)={&(0x7f0000000180)={0x10, 0x0, 0x0, 0x1000000}, 0xc, &(0x7f0000000280)={&(0x7f00000001c0)={0x28, r8, 0x10, 0x70bd25, 0x25dfdbfb, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x5}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x28}, 0x1, 0x0, 0x0, 0x8b29ba74f3c49941}, 0x4044) r9 = openat$audio(0xffffffffffffff9c, &(0x7f0000003500)='/dev/audio\x00', 0x200000, 0x0) r10 = socket$kcm(0x2b, 0x8000000000001, 0x0) ioctl$PERF_EVENT_IOC_ENABLE(r10, 0x8912, 0x400200) r11 = openat$vcs(0xffffffffffffff9c, &(0x7f0000000000)='/dev/vcs\x00', 0x0, 0x0) r12 = socket$nl_generic(0x10, 0x3, 0x10) poll(&(0x7f0000000040)=[{r11}, {r10}, {r12}], 0x3, 0x6) sendmsg$NBD_CMD_CONNECT(r3, &(0x7f0000003600)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x80}, 0xc, &(0x7f00000035c0)={&(0x7f0000003540)={0x54, r8, 0x300, 0x70bd2b, 0x25dfdbfe, {}, [@NBD_ATTR_SOCKETS={0x2c, 0x7, [{0x8, 0x1, r9}, {0x8, 0x1, r11}, {0x8, 0x1, r0}, {0x8}, {0x8, 0x1, r0}]}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}]}, 0x54}, 0x1, 0x0, 0x0, 0x80000c0}, 0x4000000) 10:47:04 executing program 4: r0 = socket$kcm(0x2b, 0x8000000000001, 0x0) ioctl$PERF_EVENT_IOC_ENABLE(r0, 0x8912, 0x400200) r1 = socket$inet6(0xa, 0x3, 0x6) setsockopt$inet6_IPV6_FLOWLABEL_MGR(r1, 0x29, 0x20, &(0x7f0000000300)={@mcast2, 0x10000, 0x0, 0x102, 0x8000003}, 0x1a) 10:47:04 executing program 1: r0 = perf_event_open(&(0x7f0000940000)={0x2, 0x70, 0xfffffffffffffffd, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}}, 0x0, 0x0, 0xffffffffffffffff, 0x0) mmap(&(0x7f00004da000/0x1000)=nil, 0x1000, 0x0, 0x4000012, r0, 0x0) mincore(&(0x7f00003fa000/0x200000)=nil, 0x20017b, &(0x7f0000000000)=""/222) 10:47:04 executing program 3: mknod(&(0x7f0000000040)='./bus\x00', 0x2000000000001003, 0x0) r0 = open(&(0x7f0000000100)='./bus\x00', 0x20000000000b04, 0x0) r1 = epoll_create(0x7) epoll_ctl$EPOLL_CTL_ADD(r1, 0x1, r0, &(0x7f00000001c0)) r2 = socket$kcm(0x2b, 0x8000000000001, 0x0) ioctl$PERF_EVENT_IOC_ENABLE(r2, 0x8912, 0x400200) r3 = openat$vcs(0xffffffffffffff9c, &(0x7f0000000000)='/dev/vcs\x00', 0x0, 0x0) r4 = socket$nl_generic(0x10, 0x3, 0x10) poll(&(0x7f0000000040)=[{r3}, {r2}, {r4}], 0x3, 0x6) r5 = socket(0x2000000000000021, 0x2, 0x10000000000002) connect$rxrpc(r5, &(0x7f0000000140)=@in4={0x21, 0x0, 0x2, 0x10, {0x2, 0x0, @rand_addr=0xdd}}, 0x24) sendmmsg(r5, &(0x7f0000005c00)=[{{0x0, 0xfffffffffffffd95, 0x0, 0x0, &(0x7f0000000000)=ANY=[@ANYBLOB="18000800000000001001000001000000ec00000000000000"], 0x18}}], 0x1, 0x0) r6 = socket$inet6(0xa, 0x3, 0x6) mmap(&(0x7f0000ffd000/0x2000)=nil, 0x2000, 0x8, 0x810, r6, 0x0) setsockopt$inet6_IPV6_FLOWLABEL_MGR(r6, 0x29, 0x20, &(0x7f0000000080)={@loopback, 0x800, 0x0, 0x100000003, 0x1, 0x0, 0x0, 0x400000000}, 0x20) setsockopt$inet6_IPV6_FLOWLABEL_MGR(0xffffffffffffffff, 0x29, 0x20, &(0x7f0000000300)={@mcast2, 0x10000, 0x0, 0x102, 0x8000003}, 0x20) setsockopt$inet6_IPV6_FLOWLABEL_MGR(r6, 0x29, 0x20, &(0x7f0000000040)={@loopback, 0x0, 0x0, 0x1, 0x3}, 0x20) connect$inet6(r6, &(0x7f0000000500)={0xa, 0x0, 0x40f7, @mcast2, 0x7ff}, 0x9) r7 = syz_open_procfs(0x0, &(0x7f0000000600)='net/ip6_flowlabel\x00n\xc01\x14\x894X\xed\xc1\xc9\xd8\xdcK\r\x8d\xae\x98&@\xd0\xe6\xbbQ\xd7\xffYn\x1c\x92\xde\x0e\xaa1\x91\x98\xe9\x1f\nMCi|+\xcdw\xf0\x176Z\xf1`\xac\xf3;\xd6d2\xeb\xe5\f\x0e\x8b\xda\xf7\xfc9\xfe\xff4\xef\'\xa19q\x93\"\x7fG3\xc1E\xe6e6\xc6\xc2u\x11% \xe7+0\x97\x84;\\\xda\xc4\x80\xc3\xb18N\xbfY%\x05\xf8\x85\x89\xfc\xd2\xd7') sendfile(r6, r7, &(0x7f0000000240)=0x202, 0x4000000000dc) r8 = syz_genetlink_get_family_id$nbd(&(0x7f0000000140)='nbd\x00') ioctl$KVM_S390_UCAS_UNMAP(r7, 0x4018ae51, &(0x7f00000000c0)={0x8000, 0x7ff, 0x2}) sendmsg$NBD_CMD_RECONFIGURE(r7, &(0x7f0000000200)={&(0x7f0000000100)={0x10, 0x0, 0x0, 0x80}, 0xc, &(0x7f00000001c0)={&(0x7f0000000180)={0x1ce, r8, 0xc05, 0x70bd29, 0x25dfdbff}, 0x14}, 0x1, 0x0, 0x0, 0x4}, 0x84) sendmsg$NBD_CMD_STATUS(r5, &(0x7f00000002c0)={&(0x7f0000000180)={0x10, 0x0, 0x0, 0x1000000}, 0xc, &(0x7f0000000280)={&(0x7f00000001c0)={0x28, r8, 0x10, 0x70bd25, 0x25dfdbfb, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x5}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x28}, 0x1, 0x0, 0x0, 0x8b29ba74f3c49941}, 0x4044) r9 = openat$audio(0xffffffffffffff9c, &(0x7f0000003500)='/dev/audio\x00', 0x200000, 0x0) r10 = socket$kcm(0x2b, 0x8000000000001, 0x0) ioctl$PERF_EVENT_IOC_ENABLE(r10, 0x8912, 0x400200) r11 = openat$vcs(0xffffffffffffff9c, &(0x7f0000000000)='/dev/vcs\x00', 0x0, 0x0) r12 = socket$nl_generic(0x10, 0x3, 0x10) poll(&(0x7f0000000040)=[{r11}, {r10}, {r12}], 0x3, 0x6) sendmsg$NBD_CMD_CONNECT(r3, &(0x7f0000003600)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x80}, 0xc, &(0x7f00000035c0)={&(0x7f0000003540)={0x54, r8, 0x300, 0x70bd2b, 0x25dfdbfe, {}, [@NBD_ATTR_SOCKETS={0x2c, 0x7, [{0x8, 0x1, r9}, {0x8, 0x1, r11}, {0x8, 0x1, r0}, {0x8}, {0x8, 0x1, r0}]}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}]}, 0x54}, 0x1, 0x0, 0x0, 0x80000c0}, 0x4000000) 10:47:04 executing program 4: r0 = socket$kcm(0x2b, 0x8000000000001, 0x0) ioctl$PERF_EVENT_IOC_ENABLE(r0, 0x8912, 0x400200) r1 = socket$inet6(0xa, 0x3, 0x6) setsockopt$inet6_IPV6_FLOWLABEL_MGR(r1, 0x29, 0x20, &(0x7f0000000300)={@mcast2, 0x10000, 0x0, 0x102, 0x8000003}, 0x1b) 10:47:04 executing program 1: r0 = perf_event_open(&(0x7f0000940000)={0x2, 0x70, 0xfffffffffffffffd, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}}, 0x0, 0x0, 0xffffffffffffffff, 0x0) mmap(&(0x7f00004da000/0x1000)=nil, 0x1000, 0x0, 0x4000012, r0, 0x0) mincore(&(0x7f00003fa000/0x200000)=nil, 0x20017c, &(0x7f0000000000)=""/222) 10:47:04 executing program 4: r0 = socket$kcm(0x2b, 0x8000000000001, 0x0) ioctl$PERF_EVENT_IOC_ENABLE(r0, 0x8912, 0x400200) r1 = socket$inet6(0xa, 0x3, 0x6) setsockopt$inet6_IPV6_FLOWLABEL_MGR(r1, 0x29, 0x20, &(0x7f0000000300)={@mcast2, 0x10000, 0x0, 0x102, 0x8000003}, 0x1c) 10:47:04 executing program 3: mknod(&(0x7f0000000040)='./bus\x00', 0x2000000000001003, 0x0) r0 = open(&(0x7f0000000100)='./bus\x00', 0x20000000000b04, 0x0) r1 = epoll_create(0x7) epoll_ctl$EPOLL_CTL_ADD(r1, 0x1, r0, &(0x7f00000001c0)) r2 = socket$kcm(0x2b, 0x8000000000001, 0x0) ioctl$PERF_EVENT_IOC_ENABLE(r2, 0x8912, 0x400200) r3 = openat$vcs(0xffffffffffffff9c, &(0x7f0000000000)='/dev/vcs\x00', 0x0, 0x0) r4 = socket$nl_generic(0x10, 0x3, 0x10) poll(&(0x7f0000000040)=[{r3}, {r2}, {r4}], 0x3, 0x6) r5 = socket(0x2000000000000021, 0x2, 0x10000000000002) connect$rxrpc(r5, &(0x7f0000000140)=@in4={0x21, 0x0, 0x2, 0x10, {0x2, 0x0, @rand_addr=0xdd}}, 0x24) sendmmsg(r5, &(0x7f0000005c00)=[{{0x0, 0xfffffffffffffd95, 0x0, 0x0, &(0x7f0000000000)=ANY=[@ANYBLOB="18000800000000001001000001000000ec00000000000000"], 0x18}}], 0x1, 0x0) r6 = socket$inet6(0xa, 0x3, 0x6) mmap(&(0x7f0000ffd000/0x2000)=nil, 0x2000, 0x8, 0x810, r6, 0x0) setsockopt$inet6_IPV6_FLOWLABEL_MGR(r6, 0x29, 0x20, &(0x7f0000000080)={@loopback, 0x800, 0x0, 0x100000003, 0x1, 0x0, 0x0, 0x400000000}, 0x20) setsockopt$inet6_IPV6_FLOWLABEL_MGR(0xffffffffffffffff, 0x29, 0x20, &(0x7f0000000300)={@mcast2, 0x10000, 0x0, 0x102, 0x8000003}, 0x20) setsockopt$inet6_IPV6_FLOWLABEL_MGR(r6, 0x29, 0x20, &(0x7f0000000040)={@loopback, 0x0, 0x0, 0x1, 0x3}, 0x20) connect$inet6(r6, &(0x7f0000000500)={0xa, 0x0, 0x40f7, @mcast2, 0x7ff}, 0x9) r7 = syz_open_procfs(0x0, &(0x7f0000000600)='net/ip6_flowlabel\x00n\xc01\x14\x894X\xed\xc1\xc9\xd8\xdcK\r\x8d\xae\x98&@\xd0\xe6\xbbQ\xd7\xffYn\x1c\x92\xde\x0e\xaa1\x91\x98\xe9\x1f\nMCi|+\xcdw\xf0\x176Z\xf1`\xac\xf3;\xd6d2\xeb\xe5\f\x0e\x8b\xda\xf7\xfc9\xfe\xff4\xef\'\xa19q\x93\"\x7fG3\xc1E\xe6e6\xc6\xc2u\x11% \xe7+0\x97\x84;\\\xda\xc4\x80\xc3\xb18N\xbfY%\x05\xf8\x85\x89\xfc\xd2\xd7') sendfile(r6, r7, &(0x7f0000000240)=0x202, 0x4000000000dc) r8 = syz_genetlink_get_family_id$nbd(&(0x7f0000000140)='nbd\x00') ioctl$KVM_S390_UCAS_UNMAP(r7, 0x4018ae51, &(0x7f00000000c0)={0x8000, 0x7ff, 0x2}) sendmsg$NBD_CMD_RECONFIGURE(r7, &(0x7f0000000200)={&(0x7f0000000100)={0x10, 0x0, 0x0, 0x80}, 0xc, &(0x7f00000001c0)={&(0x7f0000000180)={0x1ce, r8, 0xc05, 0x70bd29, 0x25dfdbff}, 0x14}, 0x1, 0x0, 0x0, 0x4}, 0x84) sendmsg$NBD_CMD_STATUS(r5, &(0x7f00000002c0)={&(0x7f0000000180)={0x10, 0x0, 0x0, 0x1000000}, 0xc, &(0x7f0000000280)={&(0x7f00000001c0)={0x28, r8, 0x10, 0x70bd25, 0x25dfdbfb, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x5}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x28}, 0x1, 0x0, 0x0, 0x8b29ba74f3c49941}, 0x4044) r9 = openat$audio(0xffffffffffffff9c, &(0x7f0000003500)='/dev/audio\x00', 0x200000, 0x0) r10 = socket$kcm(0x2b, 0x8000000000001, 0x0) ioctl$PERF_EVENT_IOC_ENABLE(r10, 0x8912, 0x400200) r11 = openat$vcs(0xffffffffffffff9c, &(0x7f0000000000)='/dev/vcs\x00', 0x0, 0x0) r12 = socket$nl_generic(0x10, 0x3, 0x10) poll(&(0x7f0000000040)=[{r11}, {r10}, {r12}], 0x3, 0x6) sendmsg$NBD_CMD_CONNECT(r3, &(0x7f0000003600)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x80}, 0xc, &(0x7f00000035c0)={&(0x7f0000003540)={0x54, r8, 0x300, 0x70bd2b, 0x25dfdbfe, {}, [@NBD_ATTR_SOCKETS={0x2c, 0x7, [{0x8, 0x1, r9}, {0x8, 0x1, r11}, {0x8, 0x1, r0}, {0x8}, {0x8, 0x1, r0}]}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}]}, 0x54}, 0x1, 0x0, 0x0, 0x80000c0}, 0x4000000) [ 970.059180][ C1] net_ratelimit: 12 callbacks suppressed [ 970.059190][ C1] protocol 88fb is buggy, dev hsr_slave_0 [ 970.070673][ C1] protocol 88fb is buggy, dev hsr_slave_1 10:47:04 executing program 4: r0 = socket$kcm(0x2b, 0x8000000000001, 0x0) ioctl$PERF_EVENT_IOC_ENABLE(r0, 0x8912, 0x400200) r1 = socket$inet6(0xa, 0x3, 0x6) setsockopt$inet6_IPV6_FLOWLABEL_MGR(r1, 0x29, 0x20, &(0x7f0000000300)={@mcast2, 0x10000, 0x0, 0x102, 0x8000003}, 0x1d) 10:47:04 executing program 1: r0 = perf_event_open(&(0x7f0000940000)={0x2, 0x70, 0xfffffffffffffffd, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}}, 0x0, 0x0, 0xffffffffffffffff, 0x0) mmap(&(0x7f00004da000/0x1000)=nil, 0x1000, 0x0, 0x4000012, r0, 0x0) mincore(&(0x7f00003fa000/0x200000)=nil, 0x20017d, &(0x7f0000000000)=""/222) 10:47:04 executing program 3: mknod(&(0x7f0000000040)='./bus\x00', 0x2000000000001003, 0x0) r0 = open(&(0x7f0000000100)='./bus\x00', 0x20000000000b04, 0x0) r1 = epoll_create(0x7) epoll_ctl$EPOLL_CTL_ADD(r1, 0x1, r0, &(0x7f00000001c0)) r2 = socket$kcm(0x2b, 0x8000000000001, 0x0) ioctl$PERF_EVENT_IOC_ENABLE(r2, 0x8912, 0x400200) r3 = openat$vcs(0xffffffffffffff9c, &(0x7f0000000000)='/dev/vcs\x00', 0x0, 0x0) r4 = socket$nl_generic(0x10, 0x3, 0x10) poll(&(0x7f0000000040)=[{r3}, {r2}, {r4}], 0x3, 0x6) r5 = socket(0x2000000000000021, 0x2, 0x10000000000002) connect$rxrpc(r5, &(0x7f0000000140)=@in4={0x21, 0x0, 0x2, 0x10, {0x2, 0x0, @rand_addr=0xdd}}, 0x24) sendmmsg(r5, &(0x7f0000005c00)=[{{0x0, 0xfffffffffffffd95, 0x0, 0x0, &(0x7f0000000000)=ANY=[@ANYBLOB="18000800000000001001000001000000ec00000000000000"], 0x18}}], 0x1, 0x0) r6 = socket$inet6(0xa, 0x3, 0x6) mmap(&(0x7f0000ffd000/0x2000)=nil, 0x2000, 0x8, 0x810, r6, 0x0) setsockopt$inet6_IPV6_FLOWLABEL_MGR(r6, 0x29, 0x20, &(0x7f0000000080)={@loopback, 0x800, 0x0, 0x100000003, 0x1, 0x0, 0x0, 0x400000000}, 0x20) setsockopt$inet6_IPV6_FLOWLABEL_MGR(r6, 0x29, 0x20, 0x0, 0x0) setsockopt$inet6_IPV6_FLOWLABEL_MGR(r6, 0x29, 0x20, &(0x7f0000000040)={@loopback, 0x0, 0x0, 0x1, 0x3}, 0x20) connect$inet6(r6, &(0x7f0000000500)={0xa, 0x0, 0x40f7, @mcast2, 0x7ff}, 0x9) r7 = syz_open_procfs(0x0, &(0x7f0000000600)='net/ip6_flowlabel\x00n\xc01\x14\x894X\xed\xc1\xc9\xd8\xdcK\r\x8d\xae\x98&@\xd0\xe6\xbbQ\xd7\xffYn\x1c\x92\xde\x0e\xaa1\x91\x98\xe9\x1f\nMCi|+\xcdw\xf0\x176Z\xf1`\xac\xf3;\xd6d2\xeb\xe5\f\x0e\x8b\xda\xf7\xfc9\xfe\xff4\xef\'\xa19q\x93\"\x7fG3\xc1E\xe6e6\xc6\xc2u\x11% \xe7+0\x97\x84;\\\xda\xc4\x80\xc3\xb18N\xbfY%\x05\xf8\x85\x89\xfc\xd2\xd7') sendfile(r6, r7, &(0x7f0000000240)=0x202, 0x4000000000dc) r8 = syz_genetlink_get_family_id$nbd(&(0x7f0000000140)='nbd\x00') ioctl$KVM_S390_UCAS_UNMAP(r7, 0x4018ae51, &(0x7f00000000c0)={0x8000, 0x7ff, 0x2}) sendmsg$NBD_CMD_RECONFIGURE(r7, &(0x7f0000000200)={&(0x7f0000000100)={0x10, 0x0, 0x0, 0x80}, 0xc, &(0x7f00000001c0)={&(0x7f0000000180)={0x1ce, r8, 0xc05, 0x70bd29, 0x25dfdbff}, 0x14}, 0x1, 0x0, 0x0, 0x4}, 0x84) sendmsg$NBD_CMD_STATUS(r5, &(0x7f00000002c0)={&(0x7f0000000180)={0x10, 0x0, 0x0, 0x1000000}, 0xc, &(0x7f0000000280)={&(0x7f00000001c0)={0x28, r8, 0x10, 0x70bd25, 0x25dfdbfb, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x5}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x28}, 0x1, 0x0, 0x0, 0x8b29ba74f3c49941}, 0x4044) r9 = openat$audio(0xffffffffffffff9c, &(0x7f0000003500)='/dev/audio\x00', 0x200000, 0x0) r10 = socket$kcm(0x2b, 0x8000000000001, 0x0) ioctl$PERF_EVENT_IOC_ENABLE(r10, 0x8912, 0x400200) r11 = openat$vcs(0xffffffffffffff9c, &(0x7f0000000000)='/dev/vcs\x00', 0x0, 0x0) r12 = socket$nl_generic(0x10, 0x3, 0x10) poll(&(0x7f0000000040)=[{r11}, {r10}, {r12}], 0x3, 0x6) sendmsg$NBD_CMD_CONNECT(r3, &(0x7f0000003600)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x80}, 0xc, &(0x7f00000035c0)={&(0x7f0000003540)={0x54, r8, 0x300, 0x70bd2b, 0x25dfdbfe, {}, [@NBD_ATTR_SOCKETS={0x2c, 0x7, [{0x8, 0x1, r9}, {0x8, 0x1, r11}, {0x8, 0x1, r0}, {0x8}, {0x8, 0x1, r0}]}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}]}, 0x54}, 0x1, 0x0, 0x0, 0x80000c0}, 0x4000000) 10:47:04 executing program 4: r0 = socket$kcm(0x2b, 0x8000000000001, 0x0) ioctl$PERF_EVENT_IOC_ENABLE(r0, 0x8912, 0x400200) r1 = socket$inet6(0xa, 0x3, 0x6) setsockopt$inet6_IPV6_FLOWLABEL_MGR(r1, 0x29, 0x20, &(0x7f0000000300)={@mcast2, 0x10000, 0x0, 0x102, 0x8000003}, 0x1e) 10:47:04 executing program 1: r0 = perf_event_open(&(0x7f0000940000)={0x2, 0x70, 0xfffffffffffffffd, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}}, 0x0, 0x0, 0xffffffffffffffff, 0x0) mmap(&(0x7f00004da000/0x1000)=nil, 0x1000, 0x0, 0x4000012, r0, 0x0) mincore(&(0x7f00003fa000/0x200000)=nil, 0x20017e, &(0x7f0000000000)=""/222) 10:47:04 executing program 3: mknod(&(0x7f0000000040)='./bus\x00', 0x2000000000001003, 0x0) r0 = open(&(0x7f0000000100)='./bus\x00', 0x20000000000b04, 0x0) r1 = epoll_create(0x7) epoll_ctl$EPOLL_CTL_ADD(r1, 0x1, r0, &(0x7f00000001c0)) r2 = socket$kcm(0x2b, 0x8000000000001, 0x0) ioctl$PERF_EVENT_IOC_ENABLE(r2, 0x8912, 0x400200) r3 = openat$vcs(0xffffffffffffff9c, &(0x7f0000000000)='/dev/vcs\x00', 0x0, 0x0) r4 = socket$nl_generic(0x10, 0x3, 0x10) poll(&(0x7f0000000040)=[{r3}, {r2}, {r4}], 0x3, 0x6) r5 = socket(0x2000000000000021, 0x2, 0x10000000000002) connect$rxrpc(r5, &(0x7f0000000140)=@in4={0x21, 0x0, 0x2, 0x10, {0x2, 0x0, @rand_addr=0xdd}}, 0x24) sendmmsg(r5, &(0x7f0000005c00)=[{{0x0, 0xfffffffffffffd95, 0x0, 0x0, &(0x7f0000000000)=ANY=[@ANYBLOB="18000800000000001001000001000000ec00000000000000"], 0x18}}], 0x1, 0x0) r6 = socket$inet6(0xa, 0x3, 0x6) mmap(&(0x7f0000ffd000/0x2000)=nil, 0x2000, 0x8, 0x810, r6, 0x0) setsockopt$inet6_IPV6_FLOWLABEL_MGR(r6, 0x29, 0x20, &(0x7f0000000080)={@loopback, 0x800, 0x0, 0x100000003, 0x1, 0x0, 0x0, 0x400000000}, 0x20) setsockopt$inet6_IPV6_FLOWLABEL_MGR(r6, 0x29, 0x20, 0x0, 0x0) setsockopt$inet6_IPV6_FLOWLABEL_MGR(r6, 0x29, 0x20, &(0x7f0000000040)={@loopback, 0x0, 0x0, 0x1, 0x3}, 0x20) connect$inet6(r6, &(0x7f0000000500)={0xa, 0x0, 0x40f7, @mcast2, 0x7ff}, 0x9) r7 = syz_open_procfs(0x0, &(0x7f0000000600)='net/ip6_flowlabel\x00n\xc01\x14\x894X\xed\xc1\xc9\xd8\xdcK\r\x8d\xae\x98&@\xd0\xe6\xbbQ\xd7\xffYn\x1c\x92\xde\x0e\xaa1\x91\x98\xe9\x1f\nMCi|+\xcdw\xf0\x176Z\xf1`\xac\xf3;\xd6d2\xeb\xe5\f\x0e\x8b\xda\xf7\xfc9\xfe\xff4\xef\'\xa19q\x93\"\x7fG3\xc1E\xe6e6\xc6\xc2u\x11% \xe7+0\x97\x84;\\\xda\xc4\x80\xc3\xb18N\xbfY%\x05\xf8\x85\x89\xfc\xd2\xd7') sendfile(r6, r7, &(0x7f0000000240)=0x202, 0x4000000000dc) r8 = syz_genetlink_get_family_id$nbd(&(0x7f0000000140)='nbd\x00') ioctl$KVM_S390_UCAS_UNMAP(r7, 0x4018ae51, &(0x7f00000000c0)={0x8000, 0x7ff, 0x2}) sendmsg$NBD_CMD_RECONFIGURE(r7, &(0x7f0000000200)={&(0x7f0000000100)={0x10, 0x0, 0x0, 0x80}, 0xc, &(0x7f00000001c0)={&(0x7f0000000180)={0x1ce, r8, 0xc05, 0x70bd29, 0x25dfdbff}, 0x14}, 0x1, 0x0, 0x0, 0x4}, 0x84) sendmsg$NBD_CMD_STATUS(r5, &(0x7f00000002c0)={&(0x7f0000000180)={0x10, 0x0, 0x0, 0x1000000}, 0xc, &(0x7f0000000280)={&(0x7f00000001c0)={0x28, r8, 0x10, 0x70bd25, 0x25dfdbfb, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x5}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x28}, 0x1, 0x0, 0x0, 0x8b29ba74f3c49941}, 0x4044) r9 = openat$audio(0xffffffffffffff9c, &(0x7f0000003500)='/dev/audio\x00', 0x200000, 0x0) r10 = socket$kcm(0x2b, 0x8000000000001, 0x0) ioctl$PERF_EVENT_IOC_ENABLE(r10, 0x8912, 0x400200) r11 = openat$vcs(0xffffffffffffff9c, &(0x7f0000000000)='/dev/vcs\x00', 0x0, 0x0) r12 = socket$nl_generic(0x10, 0x3, 0x10) poll(&(0x7f0000000040)=[{r11}, {r10}, {r12}], 0x3, 0x6) sendmsg$NBD_CMD_CONNECT(r3, &(0x7f0000003600)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x80}, 0xc, &(0x7f00000035c0)={&(0x7f0000003540)={0x54, r8, 0x300, 0x70bd2b, 0x25dfdbfe, {}, [@NBD_ATTR_SOCKETS={0x2c, 0x7, [{0x8, 0x1, r9}, {0x8, 0x1, r11}, {0x8, 0x1, r0}, {0x8}, {0x8, 0x1, r0}]}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}]}, 0x54}, 0x1, 0x0, 0x0, 0x80000c0}, 0x4000000) 10:47:05 executing program 4: r0 = socket$kcm(0x2b, 0x8000000000001, 0x0) ioctl$PERF_EVENT_IOC_ENABLE(r0, 0x8912, 0x400200) r1 = socket$inet6(0xa, 0x3, 0x6) setsockopt$inet6_IPV6_FLOWLABEL_MGR(r1, 0x29, 0x20, &(0x7f0000000300)={@mcast2, 0x10000, 0x0, 0x102, 0x8000003}, 0x21) 10:47:05 executing program 1: r0 = perf_event_open(&(0x7f0000940000)={0x2, 0x70, 0xfffffffffffffffd, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}}, 0x0, 0x0, 0xffffffffffffffff, 0x0) mmap(&(0x7f00004da000/0x1000)=nil, 0x1000, 0x0, 0x4000012, r0, 0x0) mincore(&(0x7f00003fa000/0x200000)=nil, 0x20017f, &(0x7f0000000000)=""/222) 10:47:05 executing program 4: r0 = socket$kcm(0x2b, 0x8000000000001, 0x0) ioctl$PERF_EVENT_IOC_ENABLE(r0, 0x8912, 0x400200) r1 = socket$inet6(0xa, 0x3, 0x6) setsockopt$inet6_IPV6_FLOWLABEL_MGR(r1, 0x29, 0x20, &(0x7f0000000300)={@mcast2, 0x10000, 0x0, 0x102, 0x8000003}, 0x22) 10:47:05 executing program 3: mknod(&(0x7f0000000040)='./bus\x00', 0x2000000000001003, 0x0) r0 = open(&(0x7f0000000100)='./bus\x00', 0x20000000000b04, 0x0) r1 = epoll_create(0x7) epoll_ctl$EPOLL_CTL_ADD(r1, 0x1, r0, &(0x7f00000001c0)) r2 = socket$kcm(0x2b, 0x8000000000001, 0x0) ioctl$PERF_EVENT_IOC_ENABLE(r2, 0x8912, 0x400200) r3 = openat$vcs(0xffffffffffffff9c, &(0x7f0000000000)='/dev/vcs\x00', 0x0, 0x0) r4 = socket$nl_generic(0x10, 0x3, 0x10) poll(&(0x7f0000000040)=[{r3}, {r2}, {r4}], 0x3, 0x6) r5 = socket(0x2000000000000021, 0x2, 0x10000000000002) connect$rxrpc(r5, &(0x7f0000000140)=@in4={0x21, 0x0, 0x2, 0x10, {0x2, 0x0, @rand_addr=0xdd}}, 0x24) sendmmsg(r5, &(0x7f0000005c00)=[{{0x0, 0xfffffffffffffd95, 0x0, 0x0, &(0x7f0000000000)=ANY=[@ANYBLOB="18000800000000001001000001000000ec00000000000000"], 0x18}}], 0x1, 0x0) r6 = socket$inet6(0xa, 0x3, 0x6) mmap(&(0x7f0000ffd000/0x2000)=nil, 0x2000, 0x8, 0x810, r6, 0x0) setsockopt$inet6_IPV6_FLOWLABEL_MGR(r6, 0x29, 0x20, &(0x7f0000000080)={@loopback, 0x800, 0x0, 0x100000003, 0x1, 0x0, 0x0, 0x400000000}, 0x20) setsockopt$inet6_IPV6_FLOWLABEL_MGR(r6, 0x29, 0x20, 0x0, 0x0) setsockopt$inet6_IPV6_FLOWLABEL_MGR(r6, 0x29, 0x20, &(0x7f0000000040)={@loopback, 0x0, 0x0, 0x1, 0x3}, 0x20) connect$inet6(r6, &(0x7f0000000500)={0xa, 0x0, 0x40f7, @mcast2, 0x7ff}, 0x9) r7 = syz_open_procfs(0x0, &(0x7f0000000600)='net/ip6_flowlabel\x00n\xc01\x14\x894X\xed\xc1\xc9\xd8\xdcK\r\x8d\xae\x98&@\xd0\xe6\xbbQ\xd7\xffYn\x1c\x92\xde\x0e\xaa1\x91\x98\xe9\x1f\nMCi|+\xcdw\xf0\x176Z\xf1`\xac\xf3;\xd6d2\xeb\xe5\f\x0e\x8b\xda\xf7\xfc9\xfe\xff4\xef\'\xa19q\x93\"\x7fG3\xc1E\xe6e6\xc6\xc2u\x11% \xe7+0\x97\x84;\\\xda\xc4\x80\xc3\xb18N\xbfY%\x05\xf8\x85\x89\xfc\xd2\xd7') sendfile(r6, r7, &(0x7f0000000240)=0x202, 0x4000000000dc) r8 = syz_genetlink_get_family_id$nbd(&(0x7f0000000140)='nbd\x00') ioctl$KVM_S390_UCAS_UNMAP(r7, 0x4018ae51, &(0x7f00000000c0)={0x8000, 0x7ff, 0x2}) sendmsg$NBD_CMD_RECONFIGURE(r7, &(0x7f0000000200)={&(0x7f0000000100)={0x10, 0x0, 0x0, 0x80}, 0xc, &(0x7f00000001c0)={&(0x7f0000000180)={0x1ce, r8, 0xc05, 0x70bd29, 0x25dfdbff}, 0x14}, 0x1, 0x0, 0x0, 0x4}, 0x84) sendmsg$NBD_CMD_STATUS(r5, &(0x7f00000002c0)={&(0x7f0000000180)={0x10, 0x0, 0x0, 0x1000000}, 0xc, &(0x7f0000000280)={&(0x7f00000001c0)={0x28, r8, 0x10, 0x70bd25, 0x25dfdbfb, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x5}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x28}, 0x1, 0x0, 0x0, 0x8b29ba74f3c49941}, 0x4044) r9 = openat$audio(0xffffffffffffff9c, &(0x7f0000003500)='/dev/audio\x00', 0x200000, 0x0) r10 = socket$kcm(0x2b, 0x8000000000001, 0x0) ioctl$PERF_EVENT_IOC_ENABLE(r10, 0x8912, 0x400200) r11 = openat$vcs(0xffffffffffffff9c, &(0x7f0000000000)='/dev/vcs\x00', 0x0, 0x0) r12 = socket$nl_generic(0x10, 0x3, 0x10) poll(&(0x7f0000000040)=[{r11}, {r10}, {r12}], 0x3, 0x6) sendmsg$NBD_CMD_CONNECT(r3, &(0x7f0000003600)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x80}, 0xc, &(0x7f00000035c0)={&(0x7f0000003540)={0x54, r8, 0x300, 0x70bd2b, 0x25dfdbfe, {}, [@NBD_ATTR_SOCKETS={0x2c, 0x7, [{0x8, 0x1, r9}, {0x8, 0x1, r11}, {0x8, 0x1, r0}, {0x8}, {0x8, 0x1, r0}]}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}]}, 0x54}, 0x1, 0x0, 0x0, 0x80000c0}, 0x4000000) 10:47:05 executing program 4: r0 = socket$kcm(0x2b, 0x8000000000001, 0x0) ioctl$PERF_EVENT_IOC_ENABLE(r0, 0x8912, 0x400200) r1 = socket$inet6(0xa, 0x3, 0x6) setsockopt$inet6_IPV6_FLOWLABEL_MGR(r1, 0x29, 0x20, &(0x7f0000000300)={@mcast2, 0x10000, 0x0, 0x102, 0x8000003}, 0x23) 10:47:05 executing program 1: r0 = perf_event_open(&(0x7f0000940000)={0x2, 0x70, 0xfffffffffffffffd, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}}, 0x0, 0x0, 0xffffffffffffffff, 0x0) mmap(&(0x7f00004da000/0x1000)=nil, 0x1000, 0x0, 0x4000012, r0, 0x0) mincore(&(0x7f00003fa000/0x200000)=nil, 0x200180, &(0x7f0000000000)=""/222) [ 970.939202][ C0] protocol 88fb is buggy, dev hsr_slave_0 [ 970.945037][ C0] protocol 88fb is buggy, dev hsr_slave_1 10:47:05 executing program 3: mknod(&(0x7f0000000040)='./bus\x00', 0x2000000000001003, 0x0) r0 = open(&(0x7f0000000100)='./bus\x00', 0x20000000000b04, 0x0) r1 = epoll_create(0x7) epoll_ctl$EPOLL_CTL_ADD(r1, 0x1, r0, &(0x7f00000001c0)) r2 = socket$kcm(0x2b, 0x8000000000001, 0x0) ioctl$PERF_EVENT_IOC_ENABLE(r2, 0x8912, 0x400200) r3 = openat$vcs(0xffffffffffffff9c, &(0x7f0000000000)='/dev/vcs\x00', 0x0, 0x0) r4 = socket$nl_generic(0x10, 0x3, 0x10) poll(&(0x7f0000000040)=[{r3}, {r2}, {r4}], 0x3, 0x6) r5 = socket(0x2000000000000021, 0x2, 0x10000000000002) connect$rxrpc(r5, &(0x7f0000000140)=@in4={0x21, 0x0, 0x2, 0x10, {0x2, 0x0, @rand_addr=0xdd}}, 0x24) sendmmsg(r5, &(0x7f0000005c00)=[{{0x0, 0xfffffffffffffd95, 0x0, 0x0, &(0x7f0000000000)=ANY=[@ANYBLOB="18000800000000001001000001000000ec00000000000000"], 0x18}}], 0x1, 0x0) r6 = socket$inet6(0xa, 0x3, 0x6) mmap(&(0x7f0000ffd000/0x2000)=nil, 0x2000, 0x8, 0x810, r6, 0x0) setsockopt$inet6_IPV6_FLOWLABEL_MGR(r6, 0x29, 0x20, &(0x7f0000000080)={@loopback, 0x800, 0x0, 0x100000003, 0x1, 0x0, 0x0, 0x400000000}, 0x20) setsockopt$inet6_IPV6_FLOWLABEL_MGR(r6, 0x29, 0x20, &(0x7f0000000300)={@mcast2, 0x0, 0x0, 0x102, 0x8000003}, 0x20) setsockopt$inet6_IPV6_FLOWLABEL_MGR(r6, 0x29, 0x20, &(0x7f0000000040)={@loopback, 0x0, 0x0, 0x1, 0x3}, 0x20) connect$inet6(r6, &(0x7f0000000500)={0xa, 0x0, 0x40f7, @mcast2, 0x7ff}, 0x9) r7 = syz_open_procfs(0x0, &(0x7f0000000600)='net/ip6_flowlabel\x00n\xc01\x14\x894X\xed\xc1\xc9\xd8\xdcK\r\x8d\xae\x98&@\xd0\xe6\xbbQ\xd7\xffYn\x1c\x92\xde\x0e\xaa1\x91\x98\xe9\x1f\nMCi|+\xcdw\xf0\x176Z\xf1`\xac\xf3;\xd6d2\xeb\xe5\f\x0e\x8b\xda\xf7\xfc9\xfe\xff4\xef\'\xa19q\x93\"\x7fG3\xc1E\xe6e6\xc6\xc2u\x11% \xe7+0\x97\x84;\\\xda\xc4\x80\xc3\xb18N\xbfY%\x05\xf8\x85\x89\xfc\xd2\xd7') sendfile(r6, r7, &(0x7f0000000240)=0x202, 0x4000000000dc) r8 = syz_genetlink_get_family_id$nbd(&(0x7f0000000140)='nbd\x00') ioctl$KVM_S390_UCAS_UNMAP(r7, 0x4018ae51, &(0x7f00000000c0)={0x8000, 0x7ff, 0x2}) sendmsg$NBD_CMD_RECONFIGURE(r7, &(0x7f0000000200)={&(0x7f0000000100)={0x10, 0x0, 0x0, 0x80}, 0xc, &(0x7f00000001c0)={&(0x7f0000000180)={0x1ce, r8, 0xc05, 0x70bd29, 0x25dfdbff}, 0x14}, 0x1, 0x0, 0x0, 0x4}, 0x84) sendmsg$NBD_CMD_STATUS(r5, &(0x7f00000002c0)={&(0x7f0000000180)={0x10, 0x0, 0x0, 0x1000000}, 0xc, &(0x7f0000000280)={&(0x7f00000001c0)={0x28, r8, 0x10, 0x70bd25, 0x25dfdbfb, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x5}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x28}, 0x1, 0x0, 0x0, 0x8b29ba74f3c49941}, 0x4044) r9 = openat$audio(0xffffffffffffff9c, &(0x7f0000003500)='/dev/audio\x00', 0x200000, 0x0) r10 = socket$kcm(0x2b, 0x8000000000001, 0x0) ioctl$PERF_EVENT_IOC_ENABLE(r10, 0x8912, 0x400200) r11 = openat$vcs(0xffffffffffffff9c, &(0x7f0000000000)='/dev/vcs\x00', 0x0, 0x0) r12 = socket$nl_generic(0x10, 0x3, 0x10) poll(&(0x7f0000000040)=[{r11}, {r10}, {r12}], 0x3, 0x6) sendmsg$NBD_CMD_CONNECT(r3, &(0x7f0000003600)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x80}, 0xc, &(0x7f00000035c0)={&(0x7f0000003540)={0x54, r8, 0x300, 0x70bd2b, 0x25dfdbfe, {}, [@NBD_ATTR_SOCKETS={0x2c, 0x7, [{0x8, 0x1, r9}, {0x8, 0x1, r11}, {0x8, 0x1, r0}, {0x8}, {0x8, 0x1, r0}]}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}]}, 0x54}, 0x1, 0x0, 0x0, 0x80000c0}, 0x4000000) 10:47:05 executing program 4: r0 = socket$kcm(0x2b, 0x8000000000001, 0x0) ioctl$PERF_EVENT_IOC_ENABLE(r0, 0x8912, 0x400200) r1 = socket$inet6(0xa, 0x3, 0x6) setsockopt$inet6_IPV6_FLOWLABEL_MGR(r1, 0x29, 0x20, &(0x7f0000000300)={@mcast2, 0x10000, 0x0, 0x102, 0x8000003}, 0x24) 10:47:05 executing program 1: r0 = perf_event_open(&(0x7f0000940000)={0x2, 0x70, 0xfffffffffffffffd, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}}, 0x0, 0x0, 0xffffffffffffffff, 0x0) mmap(&(0x7f00004da000/0x1000)=nil, 0x1000, 0x0, 0x4000012, r0, 0x0) mincore(&(0x7f00003fa000/0x200000)=nil, 0x200181, &(0x7f0000000000)=""/222) 10:47:05 executing program 4: r0 = socket$kcm(0x2b, 0x8000000000001, 0x0) ioctl$PERF_EVENT_IOC_ENABLE(r0, 0x8912, 0x400200) r1 = socket$inet6(0xa, 0x3, 0x6) setsockopt$inet6_IPV6_FLOWLABEL_MGR(r1, 0x29, 0x20, &(0x7f0000000300)={@mcast2, 0x10000, 0x0, 0x102, 0x8000003}, 0x2a) 10:47:05 executing program 3: mknod(&(0x7f0000000040)='./bus\x00', 0x2000000000001003, 0x0) r0 = open(&(0x7f0000000100)='./bus\x00', 0x20000000000b04, 0x0) r1 = epoll_create(0x7) epoll_ctl$EPOLL_CTL_ADD(r1, 0x1, r0, &(0x7f00000001c0)) r2 = socket$kcm(0x2b, 0x8000000000001, 0x0) ioctl$PERF_EVENT_IOC_ENABLE(r2, 0x8912, 0x400200) r3 = openat$vcs(0xffffffffffffff9c, &(0x7f0000000000)='/dev/vcs\x00', 0x0, 0x0) r4 = socket$nl_generic(0x10, 0x3, 0x10) poll(&(0x7f0000000040)=[{r3}, {r2}, {r4}], 0x3, 0x6) r5 = socket(0x2000000000000021, 0x2, 0x10000000000002) connect$rxrpc(r5, &(0x7f0000000140)=@in4={0x21, 0x0, 0x2, 0x10, {0x2, 0x0, @rand_addr=0xdd}}, 0x24) sendmmsg(r5, &(0x7f0000005c00)=[{{0x0, 0xfffffffffffffd95, 0x0, 0x0, &(0x7f0000000000)=ANY=[@ANYBLOB="18000800000000001001000001000000ec00000000000000"], 0x18}}], 0x1, 0x0) r6 = socket$inet6(0xa, 0x3, 0x6) mmap(&(0x7f0000ffd000/0x2000)=nil, 0x2000, 0x8, 0x810, r6, 0x0) setsockopt$inet6_IPV6_FLOWLABEL_MGR(r6, 0x29, 0x20, &(0x7f0000000080)={@loopback, 0x800, 0x0, 0x100000003, 0x1, 0x0, 0x0, 0x400000000}, 0x20) setsockopt$inet6_IPV6_FLOWLABEL_MGR(r6, 0x29, 0x20, &(0x7f0000000300)={@mcast2, 0x0, 0x0, 0x102, 0x8000003}, 0x20) setsockopt$inet6_IPV6_FLOWLABEL_MGR(r6, 0x29, 0x20, &(0x7f0000000040)={@loopback, 0x0, 0x0, 0x1, 0x3}, 0x20) connect$inet6(r6, &(0x7f0000000500)={0xa, 0x0, 0x40f7, @mcast2, 0x7ff}, 0x9) r7 = syz_open_procfs(0x0, &(0x7f0000000600)='net/ip6_flowlabel\x00n\xc01\x14\x894X\xed\xc1\xc9\xd8\xdcK\r\x8d\xae\x98&@\xd0\xe6\xbbQ\xd7\xffYn\x1c\x92\xde\x0e\xaa1\x91\x98\xe9\x1f\nMCi|+\xcdw\xf0\x176Z\xf1`\xac\xf3;\xd6d2\xeb\xe5\f\x0e\x8b\xda\xf7\xfc9\xfe\xff4\xef\'\xa19q\x93\"\x7fG3\xc1E\xe6e6\xc6\xc2u\x11% \xe7+0\x97\x84;\\\xda\xc4\x80\xc3\xb18N\xbfY%\x05\xf8\x85\x89\xfc\xd2\xd7') sendfile(r6, r7, &(0x7f0000000240)=0x202, 0x4000000000dc) r8 = syz_genetlink_get_family_id$nbd(&(0x7f0000000140)='nbd\x00') ioctl$KVM_S390_UCAS_UNMAP(r7, 0x4018ae51, &(0x7f00000000c0)={0x8000, 0x7ff, 0x2}) sendmsg$NBD_CMD_RECONFIGURE(r7, &(0x7f0000000200)={&(0x7f0000000100)={0x10, 0x0, 0x0, 0x80}, 0xc, &(0x7f00000001c0)={&(0x7f0000000180)={0x1ce, r8, 0xc05, 0x70bd29, 0x25dfdbff}, 0x14}, 0x1, 0x0, 0x0, 0x4}, 0x84) sendmsg$NBD_CMD_STATUS(r5, &(0x7f00000002c0)={&(0x7f0000000180)={0x10, 0x0, 0x0, 0x1000000}, 0xc, &(0x7f0000000280)={&(0x7f00000001c0)={0x28, r8, 0x10, 0x70bd25, 0x25dfdbfb, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x5}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x28}, 0x1, 0x0, 0x0, 0x8b29ba74f3c49941}, 0x4044) r9 = openat$audio(0xffffffffffffff9c, &(0x7f0000003500)='/dev/audio\x00', 0x200000, 0x0) r10 = socket$kcm(0x2b, 0x8000000000001, 0x0) ioctl$PERF_EVENT_IOC_ENABLE(r10, 0x8912, 0x400200) r11 = openat$vcs(0xffffffffffffff9c, &(0x7f0000000000)='/dev/vcs\x00', 0x0, 0x0) r12 = socket$nl_generic(0x10, 0x3, 0x10) poll(&(0x7f0000000040)=[{r11}, {r10}, {r12}], 0x3, 0x6) sendmsg$NBD_CMD_CONNECT(r3, &(0x7f0000003600)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x80}, 0xc, &(0x7f00000035c0)={&(0x7f0000003540)={0x54, r8, 0x300, 0x70bd2b, 0x25dfdbfe, {}, [@NBD_ATTR_SOCKETS={0x2c, 0x7, [{0x8, 0x1, r9}, {0x8, 0x1, r11}, {0x8, 0x1, r0}, {0x8}, {0x8, 0x1, r0}]}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}]}, 0x54}, 0x1, 0x0, 0x0, 0x80000c0}, 0x4000000) [ 971.419207][ C1] protocol 88fb is buggy, dev hsr_slave_0 [ 971.425000][ C1] protocol 88fb is buggy, dev hsr_slave_1 10:47:06 executing program 4: r0 = socket$kcm(0x2b, 0x8000000000001, 0x0) ioctl$PERF_EVENT_IOC_ENABLE(r0, 0x8912, 0x400200) r1 = socket$inet6(0xa, 0x3, 0x6) setsockopt$inet6_IPV6_FLOWLABEL_MGR(r1, 0x29, 0x20, &(0x7f0000000300)={@mcast2, 0x10000, 0x0, 0x102, 0x8000003}, 0x2b) 10:47:06 executing program 1: r0 = perf_event_open(&(0x7f0000940000)={0x2, 0x70, 0xfffffffffffffffd, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}}, 0x0, 0x0, 0xffffffffffffffff, 0x0) mmap(&(0x7f00004da000/0x1000)=nil, 0x1000, 0x0, 0x4000012, r0, 0x0) mincore(&(0x7f00003fa000/0x200000)=nil, 0x200182, &(0x7f0000000000)=""/222) 10:47:06 executing program 4: r0 = socket$kcm(0x2b, 0x8000000000001, 0x0) ioctl$PERF_EVENT_IOC_ENABLE(r0, 0x8912, 0x400200) r1 = socket$inet6(0xa, 0x3, 0x6) setsockopt$inet6_IPV6_FLOWLABEL_MGR(r1, 0x29, 0x20, &(0x7f0000000300)={@mcast2, 0x10000, 0x0, 0x102, 0x8000003}, 0x2c) [ 971.749187][ C1] protocol 88fb is buggy, dev hsr_slave_0 [ 971.754994][ C1] protocol 88fb is buggy, dev hsr_slave_1 10:47:06 executing program 3: mknod(&(0x7f0000000040)='./bus\x00', 0x2000000000001003, 0x0) r0 = open(&(0x7f0000000100)='./bus\x00', 0x20000000000b04, 0x0) r1 = epoll_create(0x7) epoll_ctl$EPOLL_CTL_ADD(r1, 0x1, r0, &(0x7f00000001c0)) r2 = socket$kcm(0x2b, 0x8000000000001, 0x0) ioctl$PERF_EVENT_IOC_ENABLE(r2, 0x8912, 0x400200) r3 = openat$vcs(0xffffffffffffff9c, &(0x7f0000000000)='/dev/vcs\x00', 0x0, 0x0) r4 = socket$nl_generic(0x10, 0x3, 0x10) poll(&(0x7f0000000040)=[{r3}, {r2}, {r4}], 0x3, 0x6) r5 = socket(0x2000000000000021, 0x2, 0x10000000000002) connect$rxrpc(r5, &(0x7f0000000140)=@in4={0x21, 0x0, 0x2, 0x10, {0x2, 0x0, @rand_addr=0xdd}}, 0x24) sendmmsg(r5, &(0x7f0000005c00)=[{{0x0, 0xfffffffffffffd95, 0x0, 0x0, &(0x7f0000000000)=ANY=[@ANYBLOB="18000800000000001001000001000000ec00000000000000"], 0x18}}], 0x1, 0x0) r6 = socket$inet6(0xa, 0x3, 0x6) mmap(&(0x7f0000ffd000/0x2000)=nil, 0x2000, 0x8, 0x810, r6, 0x0) setsockopt$inet6_IPV6_FLOWLABEL_MGR(r6, 0x29, 0x20, &(0x7f0000000080)={@loopback, 0x800, 0x0, 0x100000003, 0x1, 0x0, 0x0, 0x400000000}, 0x20) setsockopt$inet6_IPV6_FLOWLABEL_MGR(r6, 0x29, 0x20, &(0x7f0000000300)={@mcast2, 0x0, 0x0, 0x102, 0x8000003}, 0x20) setsockopt$inet6_IPV6_FLOWLABEL_MGR(r6, 0x29, 0x20, &(0x7f0000000040)={@loopback, 0x0, 0x0, 0x1, 0x3}, 0x20) connect$inet6(r6, &(0x7f0000000500)={0xa, 0x0, 0x40f7, @mcast2, 0x7ff}, 0x9) r7 = syz_open_procfs(0x0, &(0x7f0000000600)='net/ip6_flowlabel\x00n\xc01\x14\x894X\xed\xc1\xc9\xd8\xdcK\r\x8d\xae\x98&@\xd0\xe6\xbbQ\xd7\xffYn\x1c\x92\xde\x0e\xaa1\x91\x98\xe9\x1f\nMCi|+\xcdw\xf0\x176Z\xf1`\xac\xf3;\xd6d2\xeb\xe5\f\x0e\x8b\xda\xf7\xfc9\xfe\xff4\xef\'\xa19q\x93\"\x7fG3\xc1E\xe6e6\xc6\xc2u\x11% \xe7+0\x97\x84;\\\xda\xc4\x80\xc3\xb18N\xbfY%\x05\xf8\x85\x89\xfc\xd2\xd7') sendfile(r6, r7, &(0x7f0000000240)=0x202, 0x4000000000dc) r8 = syz_genetlink_get_family_id$nbd(&(0x7f0000000140)='nbd\x00') ioctl$KVM_S390_UCAS_UNMAP(r7, 0x4018ae51, &(0x7f00000000c0)={0x8000, 0x7ff, 0x2}) sendmsg$NBD_CMD_RECONFIGURE(r7, &(0x7f0000000200)={&(0x7f0000000100)={0x10, 0x0, 0x0, 0x80}, 0xc, &(0x7f00000001c0)={&(0x7f0000000180)={0x1ce, r8, 0xc05, 0x70bd29, 0x25dfdbff}, 0x14}, 0x1, 0x0, 0x0, 0x4}, 0x84) sendmsg$NBD_CMD_STATUS(r5, &(0x7f00000002c0)={&(0x7f0000000180)={0x10, 0x0, 0x0, 0x1000000}, 0xc, &(0x7f0000000280)={&(0x7f00000001c0)={0x28, r8, 0x10, 0x70bd25, 0x25dfdbfb, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x5}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x28}, 0x1, 0x0, 0x0, 0x8b29ba74f3c49941}, 0x4044) r9 = openat$audio(0xffffffffffffff9c, &(0x7f0000003500)='/dev/audio\x00', 0x200000, 0x0) r10 = socket$kcm(0x2b, 0x8000000000001, 0x0) ioctl$PERF_EVENT_IOC_ENABLE(r10, 0x8912, 0x400200) r11 = openat$vcs(0xffffffffffffff9c, &(0x7f0000000000)='/dev/vcs\x00', 0x0, 0x0) r12 = socket$nl_generic(0x10, 0x3, 0x10) poll(&(0x7f0000000040)=[{r11}, {r10}, {r12}], 0x3, 0x6) sendmsg$NBD_CMD_CONNECT(r3, &(0x7f0000003600)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x80}, 0xc, &(0x7f00000035c0)={&(0x7f0000003540)={0x54, r8, 0x300, 0x70bd2b, 0x25dfdbfe, {}, [@NBD_ATTR_SOCKETS={0x2c, 0x7, [{0x8, 0x1, r9}, {0x8, 0x1, r11}, {0x8, 0x1, r0}, {0x8}, {0x8, 0x1, r0}]}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}]}, 0x54}, 0x1, 0x0, 0x0, 0x80000c0}, 0x4000000) 10:47:06 executing program 1: r0 = perf_event_open(&(0x7f0000940000)={0x2, 0x70, 0xfffffffffffffffd, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}}, 0x0, 0x0, 0xffffffffffffffff, 0x0) mmap(&(0x7f00004da000/0x1000)=nil, 0x1000, 0x0, 0x4000012, r0, 0x0) mincore(&(0x7f00003fa000/0x200000)=nil, 0x200183, &(0x7f0000000000)=""/222) 10:47:06 executing program 4: r0 = socket$kcm(0x2b, 0x8000000000001, 0x0) ioctl$PERF_EVENT_IOC_ENABLE(r0, 0x8912, 0x400200) r1 = socket$inet6(0xa, 0x3, 0x6) setsockopt$inet6_IPV6_FLOWLABEL_MGR(r1, 0x29, 0x20, &(0x7f0000000300)={@mcast2, 0x10000, 0x0, 0x102, 0x8000003}, 0x2d) 10:47:06 executing program 3: mknod(&(0x7f0000000040)='./bus\x00', 0x2000000000001003, 0x0) r0 = open(&(0x7f0000000100)='./bus\x00', 0x20000000000b04, 0x0) r1 = epoll_create(0x7) epoll_ctl$EPOLL_CTL_ADD(r1, 0x1, r0, &(0x7f00000001c0)) r2 = socket$kcm(0x2b, 0x8000000000001, 0x0) ioctl$PERF_EVENT_IOC_ENABLE(r2, 0x8912, 0x400200) r3 = openat$vcs(0xffffffffffffff9c, &(0x7f0000000000)='/dev/vcs\x00', 0x0, 0x0) r4 = socket$nl_generic(0x10, 0x3, 0x10) poll(&(0x7f0000000040)=[{r3}, {r2}, {r4}], 0x3, 0x6) r5 = socket(0x2000000000000021, 0x2, 0x10000000000002) connect$rxrpc(r5, &(0x7f0000000140)=@in4={0x21, 0x0, 0x2, 0x10, {0x2, 0x0, @rand_addr=0xdd}}, 0x24) sendmmsg(r5, &(0x7f0000005c00)=[{{0x0, 0xfffffffffffffd95, 0x0, 0x0, &(0x7f0000000000)=ANY=[@ANYBLOB="18000800000000001001000001000000ec00000000000000"], 0x18}}], 0x1, 0x0) r6 = socket$inet6(0xa, 0x3, 0x6) mmap(&(0x7f0000ffd000/0x2000)=nil, 0x2000, 0x8, 0x810, r6, 0x0) setsockopt$inet6_IPV6_FLOWLABEL_MGR(r6, 0x29, 0x20, &(0x7f0000000080)={@loopback, 0x800, 0x0, 0x100000003, 0x1, 0x0, 0x0, 0x400000000}, 0x20) setsockopt$inet6_IPV6_FLOWLABEL_MGR(r6, 0x29, 0x20, &(0x7f0000000300)={@mcast2, 0x10000, 0x0, 0x0, 0x8000003}, 0x20) setsockopt$inet6_IPV6_FLOWLABEL_MGR(r6, 0x29, 0x20, &(0x7f0000000040)={@loopback, 0x0, 0x0, 0x1, 0x3}, 0x20) connect$inet6(r6, &(0x7f0000000500)={0xa, 0x0, 0x40f7, @mcast2, 0x7ff}, 0x9) r7 = syz_open_procfs(0x0, &(0x7f0000000600)='net/ip6_flowlabel\x00n\xc01\x14\x894X\xed\xc1\xc9\xd8\xdcK\r\x8d\xae\x98&@\xd0\xe6\xbbQ\xd7\xffYn\x1c\x92\xde\x0e\xaa1\x91\x98\xe9\x1f\nMCi|+\xcdw\xf0\x176Z\xf1`\xac\xf3;\xd6d2\xeb\xe5\f\x0e\x8b\xda\xf7\xfc9\xfe\xff4\xef\'\xa19q\x93\"\x7fG3\xc1E\xe6e6\xc6\xc2u\x11% \xe7+0\x97\x84;\\\xda\xc4\x80\xc3\xb18N\xbfY%\x05\xf8\x85\x89\xfc\xd2\xd7') sendfile(r6, r7, &(0x7f0000000240)=0x202, 0x4000000000dc) r8 = syz_genetlink_get_family_id$nbd(&(0x7f0000000140)='nbd\x00') ioctl$KVM_S390_UCAS_UNMAP(r7, 0x4018ae51, &(0x7f00000000c0)={0x8000, 0x7ff, 0x2}) sendmsg$NBD_CMD_RECONFIGURE(r7, &(0x7f0000000200)={&(0x7f0000000100)={0x10, 0x0, 0x0, 0x80}, 0xc, &(0x7f00000001c0)={&(0x7f0000000180)={0x1ce, r8, 0xc05, 0x70bd29, 0x25dfdbff}, 0x14}, 0x1, 0x0, 0x0, 0x4}, 0x84) sendmsg$NBD_CMD_STATUS(r5, &(0x7f00000002c0)={&(0x7f0000000180)={0x10, 0x0, 0x0, 0x1000000}, 0xc, &(0x7f0000000280)={&(0x7f00000001c0)={0x28, r8, 0x10, 0x70bd25, 0x25dfdbfb, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x5}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x28}, 0x1, 0x0, 0x0, 0x8b29ba74f3c49941}, 0x4044) r9 = openat$audio(0xffffffffffffff9c, &(0x7f0000003500)='/dev/audio\x00', 0x200000, 0x0) r10 = socket$kcm(0x2b, 0x8000000000001, 0x0) ioctl$PERF_EVENT_IOC_ENABLE(r10, 0x8912, 0x400200) r11 = openat$vcs(0xffffffffffffff9c, &(0x7f0000000000)='/dev/vcs\x00', 0x0, 0x0) r12 = socket$nl_generic(0x10, 0x3, 0x10) poll(&(0x7f0000000040)=[{r11}, {r10}, {r12}], 0x3, 0x6) sendmsg$NBD_CMD_CONNECT(r3, &(0x7f0000003600)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x80}, 0xc, &(0x7f00000035c0)={&(0x7f0000003540)={0x54, r8, 0x300, 0x70bd2b, 0x25dfdbfe, {}, [@NBD_ATTR_SOCKETS={0x2c, 0x7, [{0x8, 0x1, r9}, {0x8, 0x1, r11}, {0x8, 0x1, r0}, {0x8}, {0x8, 0x1, r0}]}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}]}, 0x54}, 0x1, 0x0, 0x0, 0x80000c0}, 0x4000000) 10:47:06 executing program 1: r0 = perf_event_open(&(0x7f0000940000)={0x2, 0x70, 0xfffffffffffffffd, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}}, 0x0, 0x0, 0xffffffffffffffff, 0x0) mmap(&(0x7f00004da000/0x1000)=nil, 0x1000, 0x0, 0x4000012, r0, 0x0) mincore(&(0x7f00003fa000/0x200000)=nil, 0x200184, &(0x7f0000000000)=""/222) [ 972.149185][ C1] protocol 88fb is buggy, dev hsr_slave_0 [ 972.154968][ C1] protocol 88fb is buggy, dev hsr_slave_1 10:47:06 executing program 4: r0 = socket$kcm(0x2b, 0x8000000000001, 0x0) ioctl$PERF_EVENT_IOC_ENABLE(r0, 0x8912, 0x400200) r1 = socket$inet6(0xa, 0x3, 0x6) setsockopt$inet6_IPV6_FLOWLABEL_MGR(r1, 0x29, 0x20, &(0x7f0000000300)={@mcast2, 0x10000, 0x0, 0x102, 0x8000003}, 0x2e) 10:47:06 executing program 4: r0 = socket$kcm(0x2b, 0x8000000000001, 0x0) ioctl$PERF_EVENT_IOC_ENABLE(r0, 0x8912, 0x400200) r1 = socket$inet6(0xa, 0x3, 0x6) setsockopt$inet6_IPV6_FLOWLABEL_MGR(r1, 0x29, 0x20, &(0x7f0000000300)={@mcast2, 0x10000, 0x0, 0x102, 0x8000003}, 0x2f) 10:47:06 executing program 1: r0 = perf_event_open(&(0x7f0000940000)={0x2, 0x70, 0xfffffffffffffffd, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}}, 0x0, 0x0, 0xffffffffffffffff, 0x0) mmap(&(0x7f00004da000/0x1000)=nil, 0x1000, 0x0, 0x4000012, r0, 0x0) mincore(&(0x7f00003fa000/0x200000)=nil, 0x200185, &(0x7f0000000000)=""/222) 10:47:06 executing program 3: mknod(&(0x7f0000000040)='./bus\x00', 0x2000000000001003, 0x0) r0 = open(&(0x7f0000000100)='./bus\x00', 0x20000000000b04, 0x0) r1 = epoll_create(0x7) epoll_ctl$EPOLL_CTL_ADD(r1, 0x1, r0, &(0x7f00000001c0)) r2 = socket$kcm(0x2b, 0x8000000000001, 0x0) ioctl$PERF_EVENT_IOC_ENABLE(r2, 0x8912, 0x400200) r3 = openat$vcs(0xffffffffffffff9c, &(0x7f0000000000)='/dev/vcs\x00', 0x0, 0x0) r4 = socket$nl_generic(0x10, 0x3, 0x10) poll(&(0x7f0000000040)=[{r3}, {r2}, {r4}], 0x3, 0x6) r5 = socket(0x2000000000000021, 0x2, 0x10000000000002) connect$rxrpc(r5, &(0x7f0000000140)=@in4={0x21, 0x0, 0x2, 0x10, {0x2, 0x0, @rand_addr=0xdd}}, 0x24) sendmmsg(r5, &(0x7f0000005c00)=[{{0x0, 0xfffffffffffffd95, 0x0, 0x0, &(0x7f0000000000)=ANY=[@ANYBLOB="18000800000000001001000001000000ec00000000000000"], 0x18}}], 0x1, 0x0) r6 = socket$inet6(0xa, 0x3, 0x6) mmap(&(0x7f0000ffd000/0x2000)=nil, 0x2000, 0x8, 0x810, r6, 0x0) setsockopt$inet6_IPV6_FLOWLABEL_MGR(r6, 0x29, 0x20, &(0x7f0000000080)={@loopback, 0x800, 0x0, 0x100000003, 0x1, 0x0, 0x0, 0x400000000}, 0x20) setsockopt$inet6_IPV6_FLOWLABEL_MGR(r6, 0x29, 0x20, &(0x7f0000000300)={@mcast2, 0x10000, 0x0, 0x0, 0x8000003}, 0x20) setsockopt$inet6_IPV6_FLOWLABEL_MGR(r6, 0x29, 0x20, &(0x7f0000000040)={@loopback, 0x0, 0x0, 0x1, 0x3}, 0x20) connect$inet6(r6, &(0x7f0000000500)={0xa, 0x0, 0x40f7, @mcast2, 0x7ff}, 0x9) r7 = syz_open_procfs(0x0, &(0x7f0000000600)='net/ip6_flowlabel\x00n\xc01\x14\x894X\xed\xc1\xc9\xd8\xdcK\r\x8d\xae\x98&@\xd0\xe6\xbbQ\xd7\xffYn\x1c\x92\xde\x0e\xaa1\x91\x98\xe9\x1f\nMCi|+\xcdw\xf0\x176Z\xf1`\xac\xf3;\xd6d2\xeb\xe5\f\x0e\x8b\xda\xf7\xfc9\xfe\xff4\xef\'\xa19q\x93\"\x7fG3\xc1E\xe6e6\xc6\xc2u\x11% \xe7+0\x97\x84;\\\xda\xc4\x80\xc3\xb18N\xbfY%\x05\xf8\x85\x89\xfc\xd2\xd7') sendfile(r6, r7, &(0x7f0000000240)=0x202, 0x4000000000dc) r8 = syz_genetlink_get_family_id$nbd(&(0x7f0000000140)='nbd\x00') ioctl$KVM_S390_UCAS_UNMAP(r7, 0x4018ae51, &(0x7f00000000c0)={0x8000, 0x7ff, 0x2}) sendmsg$NBD_CMD_RECONFIGURE(r7, &(0x7f0000000200)={&(0x7f0000000100)={0x10, 0x0, 0x0, 0x80}, 0xc, &(0x7f00000001c0)={&(0x7f0000000180)={0x1ce, r8, 0xc05, 0x70bd29, 0x25dfdbff}, 0x14}, 0x1, 0x0, 0x0, 0x4}, 0x84) sendmsg$NBD_CMD_STATUS(r5, &(0x7f00000002c0)={&(0x7f0000000180)={0x10, 0x0, 0x0, 0x1000000}, 0xc, &(0x7f0000000280)={&(0x7f00000001c0)={0x28, r8, 0x10, 0x70bd25, 0x25dfdbfb, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x5}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x28}, 0x1, 0x0, 0x0, 0x8b29ba74f3c49941}, 0x4044) r9 = openat$audio(0xffffffffffffff9c, &(0x7f0000003500)='/dev/audio\x00', 0x200000, 0x0) r10 = socket$kcm(0x2b, 0x8000000000001, 0x0) ioctl$PERF_EVENT_IOC_ENABLE(r10, 0x8912, 0x400200) r11 = openat$vcs(0xffffffffffffff9c, &(0x7f0000000000)='/dev/vcs\x00', 0x0, 0x0) r12 = socket$nl_generic(0x10, 0x3, 0x10) poll(&(0x7f0000000040)=[{r11}, {r10}, {r12}], 0x3, 0x6) sendmsg$NBD_CMD_CONNECT(r3, &(0x7f0000003600)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x80}, 0xc, &(0x7f00000035c0)={&(0x7f0000003540)={0x54, r8, 0x300, 0x70bd2b, 0x25dfdbfe, {}, [@NBD_ATTR_SOCKETS={0x2c, 0x7, [{0x8, 0x1, r9}, {0x8, 0x1, r11}, {0x8, 0x1, r0}, {0x8}, {0x8, 0x1, r0}]}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}]}, 0x54}, 0x1, 0x0, 0x0, 0x80000c0}, 0x4000000) 10:47:07 executing program 4: r0 = socket$kcm(0x2b, 0x8000000000001, 0x0) ioctl$PERF_EVENT_IOC_ENABLE(r0, 0x8912, 0x400200) r1 = socket$inet6(0xa, 0x3, 0x6) setsockopt$inet6_IPV6_FLOWLABEL_MGR(r1, 0x29, 0x20, &(0x7f0000000300)={@mcast2, 0x10000, 0x0, 0x102, 0x8000003}, 0x30) 10:47:07 executing program 1: r0 = perf_event_open(&(0x7f0000940000)={0x2, 0x70, 0xfffffffffffffffd, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}}, 0x0, 0x0, 0xffffffffffffffff, 0x0) mmap(&(0x7f00004da000/0x1000)=nil, 0x1000, 0x0, 0x4000012, r0, 0x0) mincore(&(0x7f00003fa000/0x200000)=nil, 0x200186, &(0x7f0000000000)=""/222) 10:47:07 executing program 3: mknod(&(0x7f0000000040)='./bus\x00', 0x2000000000001003, 0x0) r0 = open(&(0x7f0000000100)='./bus\x00', 0x20000000000b04, 0x0) r1 = epoll_create(0x7) epoll_ctl$EPOLL_CTL_ADD(r1, 0x1, r0, &(0x7f00000001c0)) r2 = socket$kcm(0x2b, 0x8000000000001, 0x0) ioctl$PERF_EVENT_IOC_ENABLE(r2, 0x8912, 0x400200) r3 = openat$vcs(0xffffffffffffff9c, &(0x7f0000000000)='/dev/vcs\x00', 0x0, 0x0) r4 = socket$nl_generic(0x10, 0x3, 0x10) poll(&(0x7f0000000040)=[{r3}, {r2}, {r4}], 0x3, 0x6) r5 = socket(0x2000000000000021, 0x2, 0x10000000000002) connect$rxrpc(r5, &(0x7f0000000140)=@in4={0x21, 0x0, 0x2, 0x10, {0x2, 0x0, @rand_addr=0xdd}}, 0x24) sendmmsg(r5, &(0x7f0000005c00)=[{{0x0, 0xfffffffffffffd95, 0x0, 0x0, &(0x7f0000000000)=ANY=[@ANYBLOB="18000800000000001001000001000000ec00000000000000"], 0x18}}], 0x1, 0x0) r6 = socket$inet6(0xa, 0x3, 0x6) mmap(&(0x7f0000ffd000/0x2000)=nil, 0x2000, 0x8, 0x810, r6, 0x0) setsockopt$inet6_IPV6_FLOWLABEL_MGR(r6, 0x29, 0x20, &(0x7f0000000080)={@loopback, 0x800, 0x0, 0x100000003, 0x1, 0x0, 0x0, 0x400000000}, 0x20) setsockopt$inet6_IPV6_FLOWLABEL_MGR(r6, 0x29, 0x20, &(0x7f0000000300)={@mcast2, 0x10000, 0x0, 0x0, 0x8000003}, 0x20) setsockopt$inet6_IPV6_FLOWLABEL_MGR(r6, 0x29, 0x20, &(0x7f0000000040)={@loopback, 0x0, 0x0, 0x1, 0x3}, 0x20) connect$inet6(r6, &(0x7f0000000500)={0xa, 0x0, 0x40f7, @mcast2, 0x7ff}, 0x9) r7 = syz_open_procfs(0x0, &(0x7f0000000600)='net/ip6_flowlabel\x00n\xc01\x14\x894X\xed\xc1\xc9\xd8\xdcK\r\x8d\xae\x98&@\xd0\xe6\xbbQ\xd7\xffYn\x1c\x92\xde\x0e\xaa1\x91\x98\xe9\x1f\nMCi|+\xcdw\xf0\x176Z\xf1`\xac\xf3;\xd6d2\xeb\xe5\f\x0e\x8b\xda\xf7\xfc9\xfe\xff4\xef\'\xa19q\x93\"\x7fG3\xc1E\xe6e6\xc6\xc2u\x11% \xe7+0\x97\x84;\\\xda\xc4\x80\xc3\xb18N\xbfY%\x05\xf8\x85\x89\xfc\xd2\xd7') sendfile(r6, r7, &(0x7f0000000240)=0x202, 0x4000000000dc) r8 = syz_genetlink_get_family_id$nbd(&(0x7f0000000140)='nbd\x00') ioctl$KVM_S390_UCAS_UNMAP(r7, 0x4018ae51, &(0x7f00000000c0)={0x8000, 0x7ff, 0x2}) sendmsg$NBD_CMD_RECONFIGURE(r7, &(0x7f0000000200)={&(0x7f0000000100)={0x10, 0x0, 0x0, 0x80}, 0xc, &(0x7f00000001c0)={&(0x7f0000000180)={0x1ce, r8, 0xc05, 0x70bd29, 0x25dfdbff}, 0x14}, 0x1, 0x0, 0x0, 0x4}, 0x84) sendmsg$NBD_CMD_STATUS(r5, &(0x7f00000002c0)={&(0x7f0000000180)={0x10, 0x0, 0x0, 0x1000000}, 0xc, &(0x7f0000000280)={&(0x7f00000001c0)={0x28, r8, 0x10, 0x70bd25, 0x25dfdbfb, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x5}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x28}, 0x1, 0x0, 0x0, 0x8b29ba74f3c49941}, 0x4044) r9 = openat$audio(0xffffffffffffff9c, &(0x7f0000003500)='/dev/audio\x00', 0x200000, 0x0) r10 = socket$kcm(0x2b, 0x8000000000001, 0x0) ioctl$PERF_EVENT_IOC_ENABLE(r10, 0x8912, 0x400200) r11 = openat$vcs(0xffffffffffffff9c, &(0x7f0000000000)='/dev/vcs\x00', 0x0, 0x0) r12 = socket$nl_generic(0x10, 0x3, 0x10) poll(&(0x7f0000000040)=[{r11}, {r10}, {r12}], 0x3, 0x6) sendmsg$NBD_CMD_CONNECT(r3, &(0x7f0000003600)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x80}, 0xc, &(0x7f00000035c0)={&(0x7f0000003540)={0x54, r8, 0x300, 0x70bd2b, 0x25dfdbfe, {}, [@NBD_ATTR_SOCKETS={0x2c, 0x7, [{0x8, 0x1, r9}, {0x8, 0x1, r11}, {0x8, 0x1, r0}, {0x8}, {0x8, 0x1, r0}]}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}]}, 0x54}, 0x1, 0x0, 0x0, 0x80000c0}, 0x4000000) 10:47:07 executing program 4: r0 = socket$kcm(0x2b, 0x8000000000001, 0x0) ioctl$PERF_EVENT_IOC_ENABLE(r0, 0x8912, 0x400200) r1 = socket$inet6(0xa, 0x3, 0x6) setsockopt$inet6_IPV6_FLOWLABEL_MGR(r1, 0x29, 0x20, &(0x7f0000000300)={@mcast2, 0x10000, 0x0, 0x102, 0x8000003}, 0x31) 10:47:07 executing program 1: r0 = perf_event_open(&(0x7f0000940000)={0x2, 0x70, 0xfffffffffffffffd, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}}, 0x0, 0x0, 0xffffffffffffffff, 0x0) mmap(&(0x7f00004da000/0x1000)=nil, 0x1000, 0x0, 0x4000012, r0, 0x0) mincore(&(0x7f00003fa000/0x200000)=nil, 0x200187, &(0x7f0000000000)=""/222) 10:47:07 executing program 4: r0 = socket$kcm(0x2b, 0x8000000000001, 0x0) ioctl$PERF_EVENT_IOC_ENABLE(r0, 0x8912, 0x400200) r1 = socket$inet6(0xa, 0x3, 0x6) setsockopt$inet6_IPV6_FLOWLABEL_MGR(r1, 0x29, 0x20, &(0x7f0000000300)={@mcast2, 0x10000, 0x0, 0x102, 0x8000003}, 0x32) 10:47:07 executing program 3: mknod(&(0x7f0000000040)='./bus\x00', 0x2000000000001003, 0x0) r0 = open(&(0x7f0000000100)='./bus\x00', 0x20000000000b04, 0x0) r1 = epoll_create(0x7) epoll_ctl$EPOLL_CTL_ADD(r1, 0x1, r0, &(0x7f00000001c0)) r2 = socket$kcm(0x2b, 0x8000000000001, 0x0) ioctl$PERF_EVENT_IOC_ENABLE(r2, 0x8912, 0x400200) r3 = openat$vcs(0xffffffffffffff9c, &(0x7f0000000000)='/dev/vcs\x00', 0x0, 0x0) r4 = socket$nl_generic(0x10, 0x3, 0x10) poll(&(0x7f0000000040)=[{r3}, {r2}, {r4}], 0x3, 0x6) r5 = socket(0x2000000000000021, 0x2, 0x10000000000002) connect$rxrpc(r5, &(0x7f0000000140)=@in4={0x21, 0x0, 0x2, 0x10, {0x2, 0x0, @rand_addr=0xdd}}, 0x24) sendmmsg(r5, &(0x7f0000005c00)=[{{0x0, 0xfffffffffffffd95, 0x0, 0x0, &(0x7f0000000000)=ANY=[@ANYBLOB="18000800000000001001000001000000ec00000000000000"], 0x18}}], 0x1, 0x0) r6 = socket$inet6(0xa, 0x3, 0x6) mmap(&(0x7f0000ffd000/0x2000)=nil, 0x2000, 0x8, 0x810, r6, 0x0) setsockopt$inet6_IPV6_FLOWLABEL_MGR(r6, 0x29, 0x20, &(0x7f0000000080)={@loopback, 0x800, 0x0, 0x100000003, 0x1, 0x0, 0x0, 0x400000000}, 0x20) setsockopt$inet6_IPV6_FLOWLABEL_MGR(r6, 0x29, 0x20, &(0x7f0000000300)={@mcast2, 0x10000, 0x0, 0x102}, 0x20) setsockopt$inet6_IPV6_FLOWLABEL_MGR(r6, 0x29, 0x20, &(0x7f0000000040)={@loopback, 0x0, 0x0, 0x1, 0x3}, 0x20) connect$inet6(r6, &(0x7f0000000500)={0xa, 0x0, 0x40f7, @mcast2, 0x7ff}, 0x9) r7 = syz_open_procfs(0x0, &(0x7f0000000600)='net/ip6_flowlabel\x00n\xc01\x14\x894X\xed\xc1\xc9\xd8\xdcK\r\x8d\xae\x98&@\xd0\xe6\xbbQ\xd7\xffYn\x1c\x92\xde\x0e\xaa1\x91\x98\xe9\x1f\nMCi|+\xcdw\xf0\x176Z\xf1`\xac\xf3;\xd6d2\xeb\xe5\f\x0e\x8b\xda\xf7\xfc9\xfe\xff4\xef\'\xa19q\x93\"\x7fG3\xc1E\xe6e6\xc6\xc2u\x11% \xe7+0\x97\x84;\\\xda\xc4\x80\xc3\xb18N\xbfY%\x05\xf8\x85\x89\xfc\xd2\xd7') sendfile(r6, r7, &(0x7f0000000240)=0x202, 0x4000000000dc) r8 = syz_genetlink_get_family_id$nbd(&(0x7f0000000140)='nbd\x00') ioctl$KVM_S390_UCAS_UNMAP(r7, 0x4018ae51, &(0x7f00000000c0)={0x8000, 0x7ff, 0x2}) sendmsg$NBD_CMD_RECONFIGURE(r7, &(0x7f0000000200)={&(0x7f0000000100)={0x10, 0x0, 0x0, 0x80}, 0xc, &(0x7f00000001c0)={&(0x7f0000000180)={0x1ce, r8, 0xc05, 0x70bd29, 0x25dfdbff}, 0x14}, 0x1, 0x0, 0x0, 0x4}, 0x84) sendmsg$NBD_CMD_STATUS(r5, &(0x7f00000002c0)={&(0x7f0000000180)={0x10, 0x0, 0x0, 0x1000000}, 0xc, &(0x7f0000000280)={&(0x7f00000001c0)={0x28, r8, 0x10, 0x70bd25, 0x25dfdbfb, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x5}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x28}, 0x1, 0x0, 0x0, 0x8b29ba74f3c49941}, 0x4044) r9 = openat$audio(0xffffffffffffff9c, &(0x7f0000003500)='/dev/audio\x00', 0x200000, 0x0) r10 = socket$kcm(0x2b, 0x8000000000001, 0x0) ioctl$PERF_EVENT_IOC_ENABLE(r10, 0x8912, 0x400200) r11 = openat$vcs(0xffffffffffffff9c, &(0x7f0000000000)='/dev/vcs\x00', 0x0, 0x0) r12 = socket$nl_generic(0x10, 0x3, 0x10) poll(&(0x7f0000000040)=[{r11}, {r10}, {r12}], 0x3, 0x6) sendmsg$NBD_CMD_CONNECT(r3, &(0x7f0000003600)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x80}, 0xc, &(0x7f00000035c0)={&(0x7f0000003540)={0x54, r8, 0x300, 0x70bd2b, 0x25dfdbfe, {}, [@NBD_ATTR_SOCKETS={0x2c, 0x7, [{0x8, 0x1, r9}, {0x8, 0x1, r11}, {0x8, 0x1, r0}, {0x8}, {0x8, 0x1, r0}]}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}]}, 0x54}, 0x1, 0x0, 0x0, 0x80000c0}, 0x4000000) 10:47:07 executing program 1: r0 = perf_event_open(&(0x7f0000940000)={0x2, 0x70, 0xfffffffffffffffd, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}}, 0x0, 0x0, 0xffffffffffffffff, 0x0) mmap(&(0x7f00004da000/0x1000)=nil, 0x1000, 0x0, 0x4000012, r0, 0x0) mincore(&(0x7f00003fa000/0x200000)=nil, 0x200188, &(0x7f0000000000)=""/222) 10:47:07 executing program 4: r0 = socket$kcm(0x2b, 0x8000000000001, 0x0) ioctl$PERF_EVENT_IOC_ENABLE(r0, 0x8912, 0x400200) r1 = socket$inet6(0xa, 0x3, 0x6) setsockopt$inet6_IPV6_FLOWLABEL_MGR(r1, 0x29, 0x20, &(0x7f0000000300)={@mcast2, 0x10000, 0x0, 0x102, 0x8000003}, 0x33) 10:47:07 executing program 3: mknod(&(0x7f0000000040)='./bus\x00', 0x2000000000001003, 0x0) r0 = open(&(0x7f0000000100)='./bus\x00', 0x20000000000b04, 0x0) r1 = epoll_create(0x7) epoll_ctl$EPOLL_CTL_ADD(r1, 0x1, r0, &(0x7f00000001c0)) r2 = socket$kcm(0x2b, 0x8000000000001, 0x0) ioctl$PERF_EVENT_IOC_ENABLE(r2, 0x8912, 0x400200) r3 = openat$vcs(0xffffffffffffff9c, &(0x7f0000000000)='/dev/vcs\x00', 0x0, 0x0) r4 = socket$nl_generic(0x10, 0x3, 0x10) poll(&(0x7f0000000040)=[{r3}, {r2}, {r4}], 0x3, 0x6) r5 = socket(0x2000000000000021, 0x2, 0x10000000000002) connect$rxrpc(r5, &(0x7f0000000140)=@in4={0x21, 0x0, 0x2, 0x10, {0x2, 0x0, @rand_addr=0xdd}}, 0x24) sendmmsg(r5, &(0x7f0000005c00)=[{{0x0, 0xfffffffffffffd95, 0x0, 0x0, &(0x7f0000000000)=ANY=[@ANYBLOB="18000800000000001001000001000000ec00000000000000"], 0x18}}], 0x1, 0x0) r6 = socket$inet6(0xa, 0x3, 0x6) mmap(&(0x7f0000ffd000/0x2000)=nil, 0x2000, 0x8, 0x810, r6, 0x0) setsockopt$inet6_IPV6_FLOWLABEL_MGR(r6, 0x29, 0x20, &(0x7f0000000080)={@loopback, 0x800, 0x0, 0x100000003, 0x1, 0x0, 0x0, 0x400000000}, 0x20) setsockopt$inet6_IPV6_FLOWLABEL_MGR(r6, 0x29, 0x20, &(0x7f0000000300)={@mcast2, 0x10000, 0x0, 0x102}, 0x20) setsockopt$inet6_IPV6_FLOWLABEL_MGR(r6, 0x29, 0x20, &(0x7f0000000040)={@loopback, 0x0, 0x0, 0x1, 0x3}, 0x20) connect$inet6(r6, &(0x7f0000000500)={0xa, 0x0, 0x40f7, @mcast2, 0x7ff}, 0x9) r7 = syz_open_procfs(0x0, &(0x7f0000000600)='net/ip6_flowlabel\x00n\xc01\x14\x894X\xed\xc1\xc9\xd8\xdcK\r\x8d\xae\x98&@\xd0\xe6\xbbQ\xd7\xffYn\x1c\x92\xde\x0e\xaa1\x91\x98\xe9\x1f\nMCi|+\xcdw\xf0\x176Z\xf1`\xac\xf3;\xd6d2\xeb\xe5\f\x0e\x8b\xda\xf7\xfc9\xfe\xff4\xef\'\xa19q\x93\"\x7fG3\xc1E\xe6e6\xc6\xc2u\x11% \xe7+0\x97\x84;\\\xda\xc4\x80\xc3\xb18N\xbfY%\x05\xf8\x85\x89\xfc\xd2\xd7') sendfile(r6, r7, &(0x7f0000000240)=0x202, 0x4000000000dc) r8 = syz_genetlink_get_family_id$nbd(&(0x7f0000000140)='nbd\x00') ioctl$KVM_S390_UCAS_UNMAP(r7, 0x4018ae51, &(0x7f00000000c0)={0x8000, 0x7ff, 0x2}) sendmsg$NBD_CMD_RECONFIGURE(r7, &(0x7f0000000200)={&(0x7f0000000100)={0x10, 0x0, 0x0, 0x80}, 0xc, &(0x7f00000001c0)={&(0x7f0000000180)={0x1ce, r8, 0xc05, 0x70bd29, 0x25dfdbff}, 0x14}, 0x1, 0x0, 0x0, 0x4}, 0x84) sendmsg$NBD_CMD_STATUS(r5, &(0x7f00000002c0)={&(0x7f0000000180)={0x10, 0x0, 0x0, 0x1000000}, 0xc, &(0x7f0000000280)={&(0x7f00000001c0)={0x28, r8, 0x10, 0x70bd25, 0x25dfdbfb, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x5}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x28}, 0x1, 0x0, 0x0, 0x8b29ba74f3c49941}, 0x4044) r9 = openat$audio(0xffffffffffffff9c, &(0x7f0000003500)='/dev/audio\x00', 0x200000, 0x0) r10 = socket$kcm(0x2b, 0x8000000000001, 0x0) ioctl$PERF_EVENT_IOC_ENABLE(r10, 0x8912, 0x400200) r11 = openat$vcs(0xffffffffffffff9c, &(0x7f0000000000)='/dev/vcs\x00', 0x0, 0x0) r12 = socket$nl_generic(0x10, 0x3, 0x10) poll(&(0x7f0000000040)=[{r11}, {r10}, {r12}], 0x3, 0x6) sendmsg$NBD_CMD_CONNECT(r3, &(0x7f0000003600)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x80}, 0xc, &(0x7f00000035c0)={&(0x7f0000003540)={0x54, r8, 0x300, 0x70bd2b, 0x25dfdbfe, {}, [@NBD_ATTR_SOCKETS={0x2c, 0x7, [{0x8, 0x1, r9}, {0x8, 0x1, r11}, {0x8, 0x1, r0}, {0x8}, {0x8, 0x1, r0}]}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}]}, 0x54}, 0x1, 0x0, 0x0, 0x80000c0}, 0x4000000) 10:47:08 executing program 4: r0 = socket$kcm(0x2b, 0x8000000000001, 0x0) ioctl$PERF_EVENT_IOC_ENABLE(r0, 0x8912, 0x400200) r1 = socket$inet6(0xa, 0x3, 0x6) setsockopt$inet6_IPV6_FLOWLABEL_MGR(r1, 0x29, 0x20, &(0x7f0000000300)={@mcast2, 0x10000, 0x0, 0x102, 0x8000003}, 0x35) 10:47:08 executing program 1: r0 = perf_event_open(&(0x7f0000940000)={0x2, 0x70, 0xfffffffffffffffd, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}}, 0x0, 0x0, 0xffffffffffffffff, 0x0) mmap(&(0x7f00004da000/0x1000)=nil, 0x1000, 0x0, 0x4000012, r0, 0x0) mincore(&(0x7f00003fa000/0x200000)=nil, 0x200189, &(0x7f0000000000)=""/222) 10:47:08 executing program 3: mknod(&(0x7f0000000040)='./bus\x00', 0x2000000000001003, 0x0) r0 = open(&(0x7f0000000100)='./bus\x00', 0x20000000000b04, 0x0) r1 = epoll_create(0x7) epoll_ctl$EPOLL_CTL_ADD(r1, 0x1, r0, &(0x7f00000001c0)) r2 = socket$kcm(0x2b, 0x8000000000001, 0x0) ioctl$PERF_EVENT_IOC_ENABLE(r2, 0x8912, 0x400200) r3 = openat$vcs(0xffffffffffffff9c, &(0x7f0000000000)='/dev/vcs\x00', 0x0, 0x0) r4 = socket$nl_generic(0x10, 0x3, 0x10) poll(&(0x7f0000000040)=[{r3}, {r2}, {r4}], 0x3, 0x6) r5 = socket(0x2000000000000021, 0x2, 0x10000000000002) connect$rxrpc(r5, &(0x7f0000000140)=@in4={0x21, 0x0, 0x2, 0x10, {0x2, 0x0, @rand_addr=0xdd}}, 0x24) sendmmsg(r5, &(0x7f0000005c00)=[{{0x0, 0xfffffffffffffd95, 0x0, 0x0, &(0x7f0000000000)=ANY=[@ANYBLOB="18000800000000001001000001000000ec00000000000000"], 0x18}}], 0x1, 0x0) r6 = socket$inet6(0xa, 0x3, 0x6) mmap(&(0x7f0000ffd000/0x2000)=nil, 0x2000, 0x8, 0x810, r6, 0x0) setsockopt$inet6_IPV6_FLOWLABEL_MGR(r6, 0x29, 0x20, &(0x7f0000000080)={@loopback, 0x800, 0x0, 0x100000003, 0x1, 0x0, 0x0, 0x400000000}, 0x20) setsockopt$inet6_IPV6_FLOWLABEL_MGR(r6, 0x29, 0x20, &(0x7f0000000300)={@mcast2, 0x10000, 0x0, 0x102}, 0x20) setsockopt$inet6_IPV6_FLOWLABEL_MGR(r6, 0x29, 0x20, &(0x7f0000000040)={@loopback, 0x0, 0x0, 0x1, 0x3}, 0x20) connect$inet6(r6, &(0x7f0000000500)={0xa, 0x0, 0x40f7, @mcast2, 0x7ff}, 0x9) r7 = syz_open_procfs(0x0, &(0x7f0000000600)='net/ip6_flowlabel\x00n\xc01\x14\x894X\xed\xc1\xc9\xd8\xdcK\r\x8d\xae\x98&@\xd0\xe6\xbbQ\xd7\xffYn\x1c\x92\xde\x0e\xaa1\x91\x98\xe9\x1f\nMCi|+\xcdw\xf0\x176Z\xf1`\xac\xf3;\xd6d2\xeb\xe5\f\x0e\x8b\xda\xf7\xfc9\xfe\xff4\xef\'\xa19q\x93\"\x7fG3\xc1E\xe6e6\xc6\xc2u\x11% \xe7+0\x97\x84;\\\xda\xc4\x80\xc3\xb18N\xbfY%\x05\xf8\x85\x89\xfc\xd2\xd7') sendfile(r6, r7, &(0x7f0000000240)=0x202, 0x4000000000dc) r8 = syz_genetlink_get_family_id$nbd(&(0x7f0000000140)='nbd\x00') ioctl$KVM_S390_UCAS_UNMAP(r7, 0x4018ae51, &(0x7f00000000c0)={0x8000, 0x7ff, 0x2}) sendmsg$NBD_CMD_RECONFIGURE(r7, &(0x7f0000000200)={&(0x7f0000000100)={0x10, 0x0, 0x0, 0x80}, 0xc, &(0x7f00000001c0)={&(0x7f0000000180)={0x1ce, r8, 0xc05, 0x70bd29, 0x25dfdbff}, 0x14}, 0x1, 0x0, 0x0, 0x4}, 0x84) sendmsg$NBD_CMD_STATUS(r5, &(0x7f00000002c0)={&(0x7f0000000180)={0x10, 0x0, 0x0, 0x1000000}, 0xc, &(0x7f0000000280)={&(0x7f00000001c0)={0x28, r8, 0x10, 0x70bd25, 0x25dfdbfb, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x5}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x28}, 0x1, 0x0, 0x0, 0x8b29ba74f3c49941}, 0x4044) r9 = openat$audio(0xffffffffffffff9c, &(0x7f0000003500)='/dev/audio\x00', 0x200000, 0x0) r10 = socket$kcm(0x2b, 0x8000000000001, 0x0) ioctl$PERF_EVENT_IOC_ENABLE(r10, 0x8912, 0x400200) r11 = openat$vcs(0xffffffffffffff9c, &(0x7f0000000000)='/dev/vcs\x00', 0x0, 0x0) r12 = socket$nl_generic(0x10, 0x3, 0x10) poll(&(0x7f0000000040)=[{r11}, {r10}, {r12}], 0x3, 0x6) sendmsg$NBD_CMD_CONNECT(r3, &(0x7f0000003600)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x80}, 0xc, &(0x7f00000035c0)={&(0x7f0000003540)={0x54, r8, 0x300, 0x70bd2b, 0x25dfdbfe, {}, [@NBD_ATTR_SOCKETS={0x2c, 0x7, [{0x8, 0x1, r9}, {0x8, 0x1, r11}, {0x8, 0x1, r0}, {0x8}, {0x8, 0x1, r0}]}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}]}, 0x54}, 0x1, 0x0, 0x0, 0x80000c0}, 0x4000000) 10:47:08 executing program 4: r0 = socket$kcm(0x2b, 0x8000000000001, 0x0) ioctl$PERF_EVENT_IOC_ENABLE(r0, 0x8912, 0x400200) r1 = socket$inet6(0xa, 0x3, 0x6) setsockopt$inet6_IPV6_FLOWLABEL_MGR(r1, 0x29, 0x20, &(0x7f0000000300)={@mcast2, 0x10000, 0x0, 0x102, 0x8000003}, 0x36) 10:47:08 executing program 1: r0 = perf_event_open(&(0x7f0000940000)={0x2, 0x70, 0xfffffffffffffffd, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}}, 0x0, 0x0, 0xffffffffffffffff, 0x0) mmap(&(0x7f00004da000/0x1000)=nil, 0x1000, 0x0, 0x4000012, r0, 0x0) mincore(&(0x7f00003fa000/0x200000)=nil, 0x20018a, &(0x7f0000000000)=""/222) 10:47:08 executing program 4: r0 = socket$kcm(0x2b, 0x8000000000001, 0x0) ioctl$PERF_EVENT_IOC_ENABLE(r0, 0x8912, 0x400200) r1 = socket$inet6(0xa, 0x3, 0x6) setsockopt$inet6_IPV6_FLOWLABEL_MGR(r1, 0x29, 0x20, &(0x7f0000000300)={@mcast2, 0x10000, 0x0, 0x102, 0x8000003}, 0x37) 10:47:08 executing program 3: mknod(&(0x7f0000000040)='./bus\x00', 0x2000000000001003, 0x0) r0 = open(&(0x7f0000000100)='./bus\x00', 0x20000000000b04, 0x0) r1 = epoll_create(0x7) epoll_ctl$EPOLL_CTL_ADD(r1, 0x1, r0, &(0x7f00000001c0)) r2 = socket$kcm(0x2b, 0x8000000000001, 0x0) ioctl$PERF_EVENT_IOC_ENABLE(r2, 0x8912, 0x400200) r3 = openat$vcs(0xffffffffffffff9c, &(0x7f0000000000)='/dev/vcs\x00', 0x0, 0x0) r4 = socket$nl_generic(0x10, 0x3, 0x10) poll(&(0x7f0000000040)=[{r3}, {r2}, {r4}], 0x3, 0x6) r5 = socket(0x2000000000000021, 0x2, 0x10000000000002) connect$rxrpc(r5, &(0x7f0000000140)=@in4={0x21, 0x0, 0x2, 0x10, {0x2, 0x0, @rand_addr=0xdd}}, 0x24) sendmmsg(r5, &(0x7f0000005c00)=[{{0x0, 0xfffffffffffffd95, 0x0, 0x0, &(0x7f0000000000)=ANY=[@ANYBLOB="18000800000000001001000001000000ec00000000000000"], 0x18}}], 0x1, 0x0) r6 = socket$inet6(0xa, 0x3, 0x6) mmap(&(0x7f0000ffd000/0x2000)=nil, 0x2000, 0x8, 0x810, r6, 0x0) setsockopt$inet6_IPV6_FLOWLABEL_MGR(r6, 0x29, 0x20, &(0x7f0000000080)={@loopback, 0x800, 0x0, 0x100000003, 0x1, 0x0, 0x0, 0x400000000}, 0x20) setsockopt$inet6_IPV6_FLOWLABEL_MGR(r6, 0x29, 0x20, &(0x7f0000000300)={@mcast2, 0x10000, 0x0, 0x102, 0x8000003}, 0x20) setsockopt$inet6_IPV6_FLOWLABEL_MGR(0xffffffffffffffff, 0x29, 0x20, &(0x7f0000000040)={@loopback, 0x0, 0x0, 0x1, 0x3}, 0x20) connect$inet6(r6, &(0x7f0000000500)={0xa, 0x0, 0x40f7, @mcast2, 0x7ff}, 0x9) r7 = syz_open_procfs(0x0, &(0x7f0000000600)='net/ip6_flowlabel\x00n\xc01\x14\x894X\xed\xc1\xc9\xd8\xdcK\r\x8d\xae\x98&@\xd0\xe6\xbbQ\xd7\xffYn\x1c\x92\xde\x0e\xaa1\x91\x98\xe9\x1f\nMCi|+\xcdw\xf0\x176Z\xf1`\xac\xf3;\xd6d2\xeb\xe5\f\x0e\x8b\xda\xf7\xfc9\xfe\xff4\xef\'\xa19q\x93\"\x7fG3\xc1E\xe6e6\xc6\xc2u\x11% \xe7+0\x97\x84;\\\xda\xc4\x80\xc3\xb18N\xbfY%\x05\xf8\x85\x89\xfc\xd2\xd7') sendfile(r6, r7, &(0x7f0000000240)=0x202, 0x4000000000dc) r8 = syz_genetlink_get_family_id$nbd(&(0x7f0000000140)='nbd\x00') ioctl$KVM_S390_UCAS_UNMAP(r7, 0x4018ae51, &(0x7f00000000c0)={0x8000, 0x7ff, 0x2}) sendmsg$NBD_CMD_RECONFIGURE(r7, &(0x7f0000000200)={&(0x7f0000000100)={0x10, 0x0, 0x0, 0x80}, 0xc, &(0x7f00000001c0)={&(0x7f0000000180)={0x1ce, r8, 0xc05, 0x70bd29, 0x25dfdbff}, 0x14}, 0x1, 0x0, 0x0, 0x4}, 0x84) sendmsg$NBD_CMD_STATUS(r5, &(0x7f00000002c0)={&(0x7f0000000180)={0x10, 0x0, 0x0, 0x1000000}, 0xc, &(0x7f0000000280)={&(0x7f00000001c0)={0x28, r8, 0x10, 0x70bd25, 0x25dfdbfb, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x5}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x28}, 0x1, 0x0, 0x0, 0x8b29ba74f3c49941}, 0x4044) r9 = openat$audio(0xffffffffffffff9c, &(0x7f0000003500)='/dev/audio\x00', 0x200000, 0x0) r10 = socket$kcm(0x2b, 0x8000000000001, 0x0) ioctl$PERF_EVENT_IOC_ENABLE(r10, 0x8912, 0x400200) r11 = openat$vcs(0xffffffffffffff9c, &(0x7f0000000000)='/dev/vcs\x00', 0x0, 0x0) r12 = socket$nl_generic(0x10, 0x3, 0x10) poll(&(0x7f0000000040)=[{r11}, {r10}, {r12}], 0x3, 0x6) sendmsg$NBD_CMD_CONNECT(r3, &(0x7f0000003600)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x80}, 0xc, &(0x7f00000035c0)={&(0x7f0000003540)={0x54, r8, 0x300, 0x70bd2b, 0x25dfdbfe, {}, [@NBD_ATTR_SOCKETS={0x2c, 0x7, [{0x8, 0x1, r9}, {0x8, 0x1, r11}, {0x8, 0x1, r0}, {0x8}, {0x8, 0x1, r0}]}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}]}, 0x54}, 0x1, 0x0, 0x0, 0x80000c0}, 0x4000000) 10:47:08 executing program 1: r0 = perf_event_open(&(0x7f0000940000)={0x2, 0x70, 0xfffffffffffffffd, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}}, 0x0, 0x0, 0xffffffffffffffff, 0x0) mmap(&(0x7f00004da000/0x1000)=nil, 0x1000, 0x0, 0x4000012, r0, 0x0) mincore(&(0x7f00003fa000/0x200000)=nil, 0x20018b, &(0x7f0000000000)=""/222) 10:47:08 executing program 4: r0 = socket$kcm(0x2b, 0x8000000000001, 0x0) ioctl$PERF_EVENT_IOC_ENABLE(r0, 0x8912, 0x400200) r1 = socket$inet6(0xa, 0x3, 0x6) setsockopt$inet6_IPV6_FLOWLABEL_MGR(r1, 0x29, 0x20, &(0x7f0000000300)={@mcast2, 0x10000, 0x0, 0x102, 0x8000003}, 0x38) 10:47:08 executing program 4: r0 = socket$kcm(0x2b, 0x8000000000001, 0x0) ioctl$PERF_EVENT_IOC_ENABLE(r0, 0x8912, 0x400200) r1 = socket$inet6(0xa, 0x3, 0x6) setsockopt$inet6_IPV6_FLOWLABEL_MGR(r1, 0x29, 0x20, &(0x7f0000000300)={@mcast2, 0x10000, 0x0, 0x102, 0x8000003}, 0x39) 10:47:08 executing program 1: r0 = perf_event_open(&(0x7f0000940000)={0x2, 0x70, 0xfffffffffffffffd, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}}, 0x0, 0x0, 0xffffffffffffffff, 0x0) mmap(&(0x7f00004da000/0x1000)=nil, 0x1000, 0x0, 0x4000012, r0, 0x0) mincore(&(0x7f00003fa000/0x200000)=nil, 0x20018c, &(0x7f0000000000)=""/222) 10:47:08 executing program 3: mknod(&(0x7f0000000040)='./bus\x00', 0x2000000000001003, 0x0) r0 = open(&(0x7f0000000100)='./bus\x00', 0x20000000000b04, 0x0) r1 = epoll_create(0x7) epoll_ctl$EPOLL_CTL_ADD(r1, 0x1, r0, &(0x7f00000001c0)) r2 = socket$kcm(0x2b, 0x8000000000001, 0x0) ioctl$PERF_EVENT_IOC_ENABLE(r2, 0x8912, 0x400200) r3 = openat$vcs(0xffffffffffffff9c, &(0x7f0000000000)='/dev/vcs\x00', 0x0, 0x0) r4 = socket$nl_generic(0x10, 0x3, 0x10) poll(&(0x7f0000000040)=[{r3}, {r2}, {r4}], 0x3, 0x6) r5 = socket(0x2000000000000021, 0x2, 0x10000000000002) connect$rxrpc(r5, &(0x7f0000000140)=@in4={0x21, 0x0, 0x2, 0x10, {0x2, 0x0, @rand_addr=0xdd}}, 0x24) sendmmsg(r5, &(0x7f0000005c00)=[{{0x0, 0xfffffffffffffd95, 0x0, 0x0, &(0x7f0000000000)=ANY=[@ANYBLOB="18000800000000001001000001000000ec00000000000000"], 0x18}}], 0x1, 0x0) r6 = socket$inet6(0xa, 0x3, 0x6) mmap(&(0x7f0000ffd000/0x2000)=nil, 0x2000, 0x8, 0x810, r6, 0x0) setsockopt$inet6_IPV6_FLOWLABEL_MGR(r6, 0x29, 0x20, &(0x7f0000000080)={@loopback, 0x800, 0x0, 0x100000003, 0x1, 0x0, 0x0, 0x400000000}, 0x20) setsockopt$inet6_IPV6_FLOWLABEL_MGR(r6, 0x29, 0x20, &(0x7f0000000300)={@mcast2, 0x10000, 0x0, 0x102, 0x8000003}, 0x20) setsockopt$inet6_IPV6_FLOWLABEL_MGR(0xffffffffffffffff, 0x29, 0x20, &(0x7f0000000040)={@loopback, 0x0, 0x0, 0x1, 0x3}, 0x20) connect$inet6(r6, &(0x7f0000000500)={0xa, 0x0, 0x40f7, @mcast2, 0x7ff}, 0x9) r7 = syz_open_procfs(0x0, &(0x7f0000000600)='net/ip6_flowlabel\x00n\xc01\x14\x894X\xed\xc1\xc9\xd8\xdcK\r\x8d\xae\x98&@\xd0\xe6\xbbQ\xd7\xffYn\x1c\x92\xde\x0e\xaa1\x91\x98\xe9\x1f\nMCi|+\xcdw\xf0\x176Z\xf1`\xac\xf3;\xd6d2\xeb\xe5\f\x0e\x8b\xda\xf7\xfc9\xfe\xff4\xef\'\xa19q\x93\"\x7fG3\xc1E\xe6e6\xc6\xc2u\x11% \xe7+0\x97\x84;\\\xda\xc4\x80\xc3\xb18N\xbfY%\x05\xf8\x85\x89\xfc\xd2\xd7') sendfile(r6, r7, &(0x7f0000000240)=0x202, 0x4000000000dc) r8 = syz_genetlink_get_family_id$nbd(&(0x7f0000000140)='nbd\x00') ioctl$KVM_S390_UCAS_UNMAP(r7, 0x4018ae51, &(0x7f00000000c0)={0x8000, 0x7ff, 0x2}) sendmsg$NBD_CMD_RECONFIGURE(r7, &(0x7f0000000200)={&(0x7f0000000100)={0x10, 0x0, 0x0, 0x80}, 0xc, &(0x7f00000001c0)={&(0x7f0000000180)={0x1ce, r8, 0xc05, 0x70bd29, 0x25dfdbff}, 0x14}, 0x1, 0x0, 0x0, 0x4}, 0x84) sendmsg$NBD_CMD_STATUS(r5, &(0x7f00000002c0)={&(0x7f0000000180)={0x10, 0x0, 0x0, 0x1000000}, 0xc, &(0x7f0000000280)={&(0x7f00000001c0)={0x28, r8, 0x10, 0x70bd25, 0x25dfdbfb, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x5}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x28}, 0x1, 0x0, 0x0, 0x8b29ba74f3c49941}, 0x4044) r9 = openat$audio(0xffffffffffffff9c, &(0x7f0000003500)='/dev/audio\x00', 0x200000, 0x0) r10 = socket$kcm(0x2b, 0x8000000000001, 0x0) ioctl$PERF_EVENT_IOC_ENABLE(r10, 0x8912, 0x400200) r11 = openat$vcs(0xffffffffffffff9c, &(0x7f0000000000)='/dev/vcs\x00', 0x0, 0x0) r12 = socket$nl_generic(0x10, 0x3, 0x10) poll(&(0x7f0000000040)=[{r11}, {r10}, {r12}], 0x3, 0x6) sendmsg$NBD_CMD_CONNECT(r3, &(0x7f0000003600)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x80}, 0xc, &(0x7f00000035c0)={&(0x7f0000003540)={0x54, r8, 0x300, 0x70bd2b, 0x25dfdbfe, {}, [@NBD_ATTR_SOCKETS={0x2c, 0x7, [{0x8, 0x1, r9}, {0x8, 0x1, r11}, {0x8, 0x1, r0}, {0x8}, {0x8, 0x1, r0}]}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}]}, 0x54}, 0x1, 0x0, 0x0, 0x80000c0}, 0x4000000) 10:47:08 executing program 5: r0 = dup(0xffffffffffffffff) ioctl$PERF_EVENT_IOC_ENABLE(r0, 0x8912, 0x400200) mlockall(0x0) ioctl$DRM_IOCTL_GEM_FLINK(0xffffffffffffffff, 0xc008640a, &(0x7f0000000000)={0x0, 0x0}) ioctl$FS_IOC_REMOVE_ENCRYPTION_KEY_ALL_USERS(r0, 0xc0406619, &(0x7f0000000100)={{0x4, 0x0, @descriptor="134c00a7aed4e6b0"}}) ioctl$DRM_IOCTL_GEM_FLINK(r0, 0xc008640a, &(0x7f0000000080)={0x0}) r3 = syz_open_dev$media(&(0x7f0000000140)='/dev/media#\x00', 0xfffffffffffffc12, 0x2) r4 = socket$inet6_dccp(0xa, 0x6, 0x0) r5 = socket$inet6_dccp(0xa, 0x6, 0x0) getsockopt$inet6_int(r5, 0x29, 0x3c, 0x0, &(0x7f00000015c0)) getsockopt$SO_TIMESTAMP(r5, 0x1, 0x40, &(0x7f0000000400), &(0x7f0000000440)=0x4) getsockopt$inet6_int(r4, 0x29, 0x3c, 0x0, &(0x7f00000015c0)) r6 = dup3(r0, r4, 0x80000) setsockopt$inet_sctp_SCTP_SOCKOPT_CONNECTX_OLD(r6, 0x84, 0x6b, &(0x7f0000000380)=[@in={0x2, 0x4e22, @multicast2}, @in={0x2, 0x4e22, @broadcast}, @in6={0xa, 0x4e20, 0x4, @loopback, 0x4}, @in6={0xa, 0x4e20, 0x800, @mcast2}], 0x58) r7 = socket$inet6_dccp(0xa, 0x6, 0x0) getsockopt$inet6_int(r7, 0x29, 0x3c, 0x0, &(0x7f00000015c0)) getsockopt$bt_hci(r7, 0x0, 0x3, &(0x7f00000001c0)=""/180, &(0x7f00000002c0)=0xb4) write$eventfd(r3, &(0x7f0000000180)=0x4, 0x8) ioctl$DRM_IOCTL_GEM_OPEN(0xffffffffffffffff, 0xc010640b, &(0x7f00000000c0)={r1, r2, 0x7}) r8 = syz_open_dev$amidi(&(0x7f0000000340)='/dev/amidi#\x00', 0x9, 0x4) r9 = socket$inet_udplite(0x2, 0x2, 0x88) getsockopt$sock_cred(r9, 0x1, 0x11, &(0x7f0000000240)={0x0, 0x0}, &(0x7f0000000280)=0x5) setuid(r10) ioctl$TUNSETOWNER(r8, 0x400454cc, r10) r11 = socket$kcm(0x10, 0x2, 0x10) r12 = socket$inet6_dccp(0xa, 0x6, 0x0) getsockopt$inet6_int(r12, 0x29, 0x3c, 0x0, &(0x7f00000015c0)) r13 = accept(r12, &(0x7f0000000480)=@ax25={{}, [@bcast, @remote, @rose, @default, @default, @netrom, @netrom, @bcast]}, &(0x7f0000000500)=0x80) setsockopt$inet_tcp_TCP_MD5SIG(r13, 0x6, 0xe, &(0x7f0000000540)={@in6={{0xa, 0x4e21, 0x80, @loopback, 0xb0d}}, 0x0, 0x2, 0x0, "8e3227c6b2b63cc47d24d8aba883fc96be088784089fe0d1ddb300fd9a6dadb0f3e0acfdd475fdfbc85d0cafbae141ef82ed0dc66c4628cbc85e3cb5331f39bb4243b1353dc4bac999728c91bd16e6ae"}, 0xd8) sendmsg$kcm(r11, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000040)=[{&(0x7f0000000300)="1400000013000507ed008064d20010002e000080", 0x14}], 0x1}, 0x0) 10:47:09 executing program 4: r0 = socket$kcm(0x2b, 0x8000000000001, 0x0) ioctl$PERF_EVENT_IOC_ENABLE(r0, 0x8912, 0x400200) r1 = socket$inet6(0xa, 0x3, 0x6) setsockopt$inet6_IPV6_FLOWLABEL_MGR(r1, 0x29, 0x20, &(0x7f0000000300)={@mcast2, 0x10000, 0x0, 0x102, 0x8000003}, 0x3a) 10:47:09 executing program 5: socket$kcm(0x10, 0x2, 0x10) r0 = socket$kcm(0x2b, 0x8000000000001, 0x0) ioctl$PERF_EVENT_IOC_ENABLE(r0, 0x8912, 0x400200) r1 = openat$vcs(0xffffffffffffff9c, &(0x7f0000000000)='/dev/vcs\x00', 0x0, 0x0) r2 = socket$nl_generic(0x10, 0x3, 0x10) poll(&(0x7f0000000040)=[{r1}, {r0}, {r2}], 0x3, 0x6) getpeername$unix(0xffffffffffffffff, &(0x7f0000000080), &(0x7f0000000100)=0x6e) sendmsg$kcm(r0, &(0x7f0000000280)={0x0, 0xfffffffffffffdde, &(0x7f0000000040)=[{&(0x7f0000000300)="1400000013000507ed008064d20010002e000080", 0x14}], 0x10000000000000ab}, 0x0) 10:47:09 executing program 4: r0 = socket$kcm(0x2b, 0x8000000000001, 0x0) ioctl$PERF_EVENT_IOC_ENABLE(r0, 0x8912, 0x400200) r1 = socket$inet6(0xa, 0x3, 0x6) setsockopt$inet6_IPV6_FLOWLABEL_MGR(r1, 0x29, 0x20, &(0x7f0000000300)={@mcast2, 0x10000, 0x0, 0x102, 0x8000003}, 0x3b) 10:47:09 executing program 1: r0 = perf_event_open(&(0x7f0000940000)={0x2, 0x70, 0xfffffffffffffffd, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}}, 0x0, 0x0, 0xffffffffffffffff, 0x0) mmap(&(0x7f00004da000/0x1000)=nil, 0x1000, 0x0, 0x4000012, r0, 0x0) mincore(&(0x7f00003fa000/0x200000)=nil, 0x20018d, &(0x7f0000000000)=""/222) 10:47:09 executing program 3: mknod(&(0x7f0000000040)='./bus\x00', 0x2000000000001003, 0x0) r0 = open(&(0x7f0000000100)='./bus\x00', 0x20000000000b04, 0x0) r1 = epoll_create(0x7) epoll_ctl$EPOLL_CTL_ADD(r1, 0x1, r0, &(0x7f00000001c0)) r2 = socket$kcm(0x2b, 0x8000000000001, 0x0) ioctl$PERF_EVENT_IOC_ENABLE(r2, 0x8912, 0x400200) r3 = openat$vcs(0xffffffffffffff9c, &(0x7f0000000000)='/dev/vcs\x00', 0x0, 0x0) r4 = socket$nl_generic(0x10, 0x3, 0x10) poll(&(0x7f0000000040)=[{r3}, {r2}, {r4}], 0x3, 0x6) r5 = socket(0x2000000000000021, 0x2, 0x10000000000002) connect$rxrpc(r5, &(0x7f0000000140)=@in4={0x21, 0x0, 0x2, 0x10, {0x2, 0x0, @rand_addr=0xdd}}, 0x24) sendmmsg(r5, &(0x7f0000005c00)=[{{0x0, 0xfffffffffffffd95, 0x0, 0x0, &(0x7f0000000000)=ANY=[@ANYBLOB="18000800000000001001000001000000ec00000000000000"], 0x18}}], 0x1, 0x0) r6 = socket$inet6(0xa, 0x3, 0x6) mmap(&(0x7f0000ffd000/0x2000)=nil, 0x2000, 0x8, 0x810, r6, 0x0) setsockopt$inet6_IPV6_FLOWLABEL_MGR(r6, 0x29, 0x20, &(0x7f0000000080)={@loopback, 0x800, 0x0, 0x100000003, 0x1, 0x0, 0x0, 0x400000000}, 0x20) setsockopt$inet6_IPV6_FLOWLABEL_MGR(r6, 0x29, 0x20, &(0x7f0000000300)={@mcast2, 0x10000, 0x0, 0x102, 0x8000003}, 0x20) setsockopt$inet6_IPV6_FLOWLABEL_MGR(0xffffffffffffffff, 0x29, 0x20, &(0x7f0000000040)={@loopback, 0x0, 0x0, 0x1, 0x3}, 0x20) connect$inet6(r6, &(0x7f0000000500)={0xa, 0x0, 0x40f7, @mcast2, 0x7ff}, 0x9) r7 = syz_open_procfs(0x0, &(0x7f0000000600)='net/ip6_flowlabel\x00n\xc01\x14\x894X\xed\xc1\xc9\xd8\xdcK\r\x8d\xae\x98&@\xd0\xe6\xbbQ\xd7\xffYn\x1c\x92\xde\x0e\xaa1\x91\x98\xe9\x1f\nMCi|+\xcdw\xf0\x176Z\xf1`\xac\xf3;\xd6d2\xeb\xe5\f\x0e\x8b\xda\xf7\xfc9\xfe\xff4\xef\'\xa19q\x93\"\x7fG3\xc1E\xe6e6\xc6\xc2u\x11% \xe7+0\x97\x84;\\\xda\xc4\x80\xc3\xb18N\xbfY%\x05\xf8\x85\x89\xfc\xd2\xd7') sendfile(r6, r7, &(0x7f0000000240)=0x202, 0x4000000000dc) r8 = syz_genetlink_get_family_id$nbd(&(0x7f0000000140)='nbd\x00') ioctl$KVM_S390_UCAS_UNMAP(r7, 0x4018ae51, &(0x7f00000000c0)={0x8000, 0x7ff, 0x2}) sendmsg$NBD_CMD_RECONFIGURE(r7, &(0x7f0000000200)={&(0x7f0000000100)={0x10, 0x0, 0x0, 0x80}, 0xc, &(0x7f00000001c0)={&(0x7f0000000180)={0x1ce, r8, 0xc05, 0x70bd29, 0x25dfdbff}, 0x14}, 0x1, 0x0, 0x0, 0x4}, 0x84) sendmsg$NBD_CMD_STATUS(r5, &(0x7f00000002c0)={&(0x7f0000000180)={0x10, 0x0, 0x0, 0x1000000}, 0xc, &(0x7f0000000280)={&(0x7f00000001c0)={0x28, r8, 0x10, 0x70bd25, 0x25dfdbfb, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x5}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x28}, 0x1, 0x0, 0x0, 0x8b29ba74f3c49941}, 0x4044) r9 = openat$audio(0xffffffffffffff9c, &(0x7f0000003500)='/dev/audio\x00', 0x200000, 0x0) r10 = socket$kcm(0x2b, 0x8000000000001, 0x0) ioctl$PERF_EVENT_IOC_ENABLE(r10, 0x8912, 0x400200) r11 = openat$vcs(0xffffffffffffff9c, &(0x7f0000000000)='/dev/vcs\x00', 0x0, 0x0) r12 = socket$nl_generic(0x10, 0x3, 0x10) poll(&(0x7f0000000040)=[{r11}, {r10}, {r12}], 0x3, 0x6) sendmsg$NBD_CMD_CONNECT(r3, &(0x7f0000003600)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x80}, 0xc, &(0x7f00000035c0)={&(0x7f0000003540)={0x54, r8, 0x300, 0x70bd2b, 0x25dfdbfe, {}, [@NBD_ATTR_SOCKETS={0x2c, 0x7, [{0x8, 0x1, r9}, {0x8, 0x1, r11}, {0x8, 0x1, r0}, {0x8}, {0x8, 0x1, r0}]}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}]}, 0x54}, 0x1, 0x0, 0x0, 0x80000c0}, 0x4000000) 10:47:09 executing program 5: r0 = socket$kcm(0x10, 0x2, 0x10) sendmsg$kcm(r0, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000040)=[{&(0x7f0000000300)="1400000013000507ed008064d20010002e000080", 0x14}], 0x1}, 0x4) 10:47:09 executing program 5: r0 = socket$kcm(0x10, 0x2, 0x10) sendmsg$kcm(r0, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000040)=[{&(0x7f0000000300)="1400000013000507ed008064d20010002e000080", 0xa0}], 0x1}, 0x0) 10:47:09 executing program 4: r0 = socket$kcm(0x2b, 0x8000000000001, 0x0) ioctl$PERF_EVENT_IOC_ENABLE(r0, 0x8912, 0x400200) r1 = socket$inet6(0xa, 0x3, 0x6) setsockopt$inet6_IPV6_FLOWLABEL_MGR(r1, 0x29, 0x20, &(0x7f0000000300)={@mcast2, 0x10000, 0x0, 0x102, 0x8000003}, 0x3c) 10:47:09 executing program 3: mknod(&(0x7f0000000040)='./bus\x00', 0x2000000000001003, 0x0) r0 = open(&(0x7f0000000100)='./bus\x00', 0x20000000000b04, 0x0) r1 = epoll_create(0x7) epoll_ctl$EPOLL_CTL_ADD(r1, 0x1, r0, &(0x7f00000001c0)) r2 = socket$kcm(0x2b, 0x8000000000001, 0x0) ioctl$PERF_EVENT_IOC_ENABLE(r2, 0x8912, 0x400200) r3 = openat$vcs(0xffffffffffffff9c, &(0x7f0000000000)='/dev/vcs\x00', 0x0, 0x0) r4 = socket$nl_generic(0x10, 0x3, 0x10) poll(&(0x7f0000000040)=[{r3}, {r2}, {r4}], 0x3, 0x6) r5 = socket(0x2000000000000021, 0x2, 0x10000000000002) connect$rxrpc(r5, &(0x7f0000000140)=@in4={0x21, 0x0, 0x2, 0x10, {0x2, 0x0, @rand_addr=0xdd}}, 0x24) sendmmsg(r5, &(0x7f0000005c00)=[{{0x0, 0xfffffffffffffd95, 0x0, 0x0, &(0x7f0000000000)=ANY=[@ANYBLOB="18000800000000001001000001000000ec00000000000000"], 0x18}}], 0x1, 0x0) r6 = socket$inet6(0xa, 0x3, 0x6) mmap(&(0x7f0000ffd000/0x2000)=nil, 0x2000, 0x8, 0x810, r6, 0x0) setsockopt$inet6_IPV6_FLOWLABEL_MGR(r6, 0x29, 0x20, &(0x7f0000000080)={@loopback, 0x800, 0x0, 0x100000003, 0x1, 0x0, 0x0, 0x400000000}, 0x20) setsockopt$inet6_IPV6_FLOWLABEL_MGR(r6, 0x29, 0x20, &(0x7f0000000300)={@mcast2, 0x10000, 0x0, 0x102, 0x8000003}, 0x20) setsockopt$inet6_IPV6_FLOWLABEL_MGR(r6, 0x29, 0x20, 0x0, 0x0) connect$inet6(r6, &(0x7f0000000500)={0xa, 0x0, 0x40f7, @mcast2, 0x7ff}, 0x9) r7 = syz_open_procfs(0x0, &(0x7f0000000600)='net/ip6_flowlabel\x00n\xc01\x14\x894X\xed\xc1\xc9\xd8\xdcK\r\x8d\xae\x98&@\xd0\xe6\xbbQ\xd7\xffYn\x1c\x92\xde\x0e\xaa1\x91\x98\xe9\x1f\nMCi|+\xcdw\xf0\x176Z\xf1`\xac\xf3;\xd6d2\xeb\xe5\f\x0e\x8b\xda\xf7\xfc9\xfe\xff4\xef\'\xa19q\x93\"\x7fG3\xc1E\xe6e6\xc6\xc2u\x11% \xe7+0\x97\x84;\\\xda\xc4\x80\xc3\xb18N\xbfY%\x05\xf8\x85\x89\xfc\xd2\xd7') sendfile(r6, r7, &(0x7f0000000240)=0x202, 0x4000000000dc) r8 = syz_genetlink_get_family_id$nbd(&(0x7f0000000140)='nbd\x00') ioctl$KVM_S390_UCAS_UNMAP(r7, 0x4018ae51, &(0x7f00000000c0)={0x8000, 0x7ff, 0x2}) sendmsg$NBD_CMD_RECONFIGURE(r7, &(0x7f0000000200)={&(0x7f0000000100)={0x10, 0x0, 0x0, 0x80}, 0xc, &(0x7f00000001c0)={&(0x7f0000000180)={0x1ce, r8, 0xc05, 0x70bd29, 0x25dfdbff}, 0x14}, 0x1, 0x0, 0x0, 0x4}, 0x84) sendmsg$NBD_CMD_STATUS(r5, &(0x7f00000002c0)={&(0x7f0000000180)={0x10, 0x0, 0x0, 0x1000000}, 0xc, &(0x7f0000000280)={&(0x7f00000001c0)={0x28, r8, 0x10, 0x70bd25, 0x25dfdbfb, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x5}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x28}, 0x1, 0x0, 0x0, 0x8b29ba74f3c49941}, 0x4044) r9 = openat$audio(0xffffffffffffff9c, &(0x7f0000003500)='/dev/audio\x00', 0x200000, 0x0) r10 = socket$kcm(0x2b, 0x8000000000001, 0x0) ioctl$PERF_EVENT_IOC_ENABLE(r10, 0x8912, 0x400200) r11 = openat$vcs(0xffffffffffffff9c, &(0x7f0000000000)='/dev/vcs\x00', 0x0, 0x0) r12 = socket$nl_generic(0x10, 0x3, 0x10) poll(&(0x7f0000000040)=[{r11}, {r10}, {r12}], 0x3, 0x6) sendmsg$NBD_CMD_CONNECT(r3, &(0x7f0000003600)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x80}, 0xc, &(0x7f00000035c0)={&(0x7f0000003540)={0x54, r8, 0x300, 0x70bd2b, 0x25dfdbfe, {}, [@NBD_ATTR_SOCKETS={0x2c, 0x7, [{0x8, 0x1, r9}, {0x8, 0x1, r11}, {0x8, 0x1, r0}, {0x8}, {0x8, 0x1, r0}]}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}]}, 0x54}, 0x1, 0x0, 0x0, 0x80000c0}, 0x4000000) [ 975.099223][ C0] net_ratelimit: 8 callbacks suppressed [ 975.099233][ C0] protocol 88fb is buggy, dev hsr_slave_0 [ 975.110618][ C0] protocol 88fb is buggy, dev hsr_slave_1 10:47:09 executing program 1: r0 = perf_event_open(&(0x7f0000940000)={0x2, 0x70, 0xfffffffffffffffd, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}}, 0x0, 0x0, 0xffffffffffffffff, 0x0) mmap(&(0x7f00004da000/0x1000)=nil, 0x1000, 0x0, 0x4000012, r0, 0x0) mincore(&(0x7f00003fa000/0x200000)=nil, 0x20018e, &(0x7f0000000000)=""/222) 10:47:09 executing program 4: r0 = socket$kcm(0x2b, 0x8000000000001, 0x0) ioctl$PERF_EVENT_IOC_ENABLE(r0, 0x8912, 0x400200) r1 = socket$inet6(0xa, 0x3, 0x6) setsockopt$inet6_IPV6_FLOWLABEL_MGR(r1, 0x29, 0x20, &(0x7f0000000300)={@mcast2, 0x10000, 0x0, 0x102, 0x8000003}, 0x3e) 10:47:09 executing program 5: r0 = socket$kcm(0x10, 0x2, 0x10) r1 = socket$inet6_dccp(0xa, 0x6, 0x0) getsockopt$inet6_int(r1, 0x29, 0x3c, 0x0, &(0x7f00000015c0)) r2 = openat$mixer(0xffffffffffffff9c, &(0x7f0000000000)='/dev/mixer\x00', 0x200000, 0x0) r3 = fcntl$dupfd(0xffffffffffffffff, 0x0, r1) sendto$inet(r3, &(0x7f0000000340)="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", 0x1000, 0x8000, &(0x7f0000000100)={0x2, 0x4e21, @loopback}, 0x10) r4 = socket$inet6(0xa, 0x2, 0x0) connect$inet6(r4, &(0x7f0000003a40)={0xa, 0x4e24, 0x0, @ipv4={[], [], @loopback}}, 0x1c) sendmmsg(r4, &(0x7f00000092c0), 0x4ff, 0xbb8) r5 = socket$inet6_sctp(0xa, 0x5, 0x84) setsockopt$inet_sctp6_SCTP_SOCKOPT_CONNECTX(r5, 0x84, 0x6e, &(0x7f0000961fe4)=[@in={0x2, 0x0, @dev}], 0x10) getsockopt$inet_sctp6_SCTP_GET_ASSOC_ID_LIST(r5, 0x84, 0x1d, &(0x7f000095dff8)={0x1, [0x0]}, &(0x7f000095dffc)=0x8) setsockopt$inet_sctp6_SCTP_PEER_ADDR_THLDS(r5, 0x84, 0x1f, &(0x7f0000000000)={r6, @in, 0xa9}, 0x90) r7 = socket$kcm(0x2b, 0x8000000000001, 0x0) ioctl$PERF_EVENT_IOC_ENABLE(r7, 0x8912, 0x400200) r8 = openat$vcs(0xffffffffffffff9c, &(0x7f0000000000)='/dev/vcs\x00', 0x0, 0x0) r9 = socket$nl_generic(0x10, 0x3, 0x10) poll(&(0x7f0000000040)=[{r8}, {r7}, {r9}], 0x3, 0x6) setsockopt$RDS_RECVERR(r8, 0x114, 0x5, &(0x7f0000000280), 0x4) getsockopt$inet_sctp6_SCTP_RECONFIG_SUPPORTED(r4, 0x84, 0x75, &(0x7f0000000100)={r6, 0x7ff}, &(0x7f0000000200)=0x8) getsockopt$inet_sctp_SCTP_STATUS(r2, 0x84, 0xe, &(0x7f0000000140)={0x0, 0x8, 0x7, 0x101, 0x40, 0x6, 0xd30f, 0x2, {r6, @in={{0x2, 0x4e21, @dev={0xac, 0x14, 0x14, 0x25}}}, 0x1, 0x451a, 0x9, 0x8000000, 0x2}}, &(0x7f0000000040)=0xb0) getsockopt$inet_sctp6_SCTP_SOCKOPT_PEELOFF(0xffffffffffffffff, 0x84, 0x66, &(0x7f0000000200)={r10, 0x7}, &(0x7f0000000240)=0x8) sendmsg$kcm(r0, &(0x7f0000000080)={0x0, 0x0, &(0x7f00000000c0)=[{&(0x7f0000000300)="1400000013000507ed008064d20010002e000080", 0x95}], 0x100000000000006d, 0x0, 0xffffffffffffff51}, 0x40) 10:47:09 executing program 1: r0 = perf_event_open(&(0x7f0000940000)={0x2, 0x70, 0xfffffffffffffffd, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}}, 0x0, 0x0, 0xffffffffffffffff, 0x0) mmap(&(0x7f00004da000/0x1000)=nil, 0x1000, 0x0, 0x4000012, r0, 0x0) mincore(&(0x7f00003fa000/0x200000)=nil, 0x20018f, &(0x7f0000000000)=""/222) 10:47:09 executing program 4: r0 = socket$kcm(0x2b, 0x8000000000001, 0x0) ioctl$PERF_EVENT_IOC_ENABLE(r0, 0x8912, 0x400200) r1 = socket$inet6(0xa, 0x3, 0x6) setsockopt$inet6_IPV6_FLOWLABEL_MGR(r1, 0x29, 0x20, &(0x7f0000000300)={@mcast2, 0x10000, 0x0, 0x102, 0x8000003}, 0x42) 10:47:09 executing program 3: mknod(&(0x7f0000000040)='./bus\x00', 0x2000000000001003, 0x0) r0 = open(&(0x7f0000000100)='./bus\x00', 0x20000000000b04, 0x0) r1 = epoll_create(0x7) epoll_ctl$EPOLL_CTL_ADD(r1, 0x1, r0, &(0x7f00000001c0)) r2 = socket$kcm(0x2b, 0x8000000000001, 0x0) ioctl$PERF_EVENT_IOC_ENABLE(r2, 0x8912, 0x400200) r3 = openat$vcs(0xffffffffffffff9c, &(0x7f0000000000)='/dev/vcs\x00', 0x0, 0x0) r4 = socket$nl_generic(0x10, 0x3, 0x10) poll(&(0x7f0000000040)=[{r3}, {r2}, {r4}], 0x3, 0x6) r5 = socket(0x2000000000000021, 0x2, 0x10000000000002) connect$rxrpc(r5, &(0x7f0000000140)=@in4={0x21, 0x0, 0x2, 0x10, {0x2, 0x0, @rand_addr=0xdd}}, 0x24) sendmmsg(r5, &(0x7f0000005c00)=[{{0x0, 0xfffffffffffffd95, 0x0, 0x0, &(0x7f0000000000)=ANY=[@ANYBLOB="18000800000000001001000001000000ec00000000000000"], 0x18}}], 0x1, 0x0) r6 = socket$inet6(0xa, 0x3, 0x6) mmap(&(0x7f0000ffd000/0x2000)=nil, 0x2000, 0x8, 0x810, r6, 0x0) setsockopt$inet6_IPV6_FLOWLABEL_MGR(r6, 0x29, 0x20, &(0x7f0000000080)={@loopback, 0x800, 0x0, 0x100000003, 0x1, 0x0, 0x0, 0x400000000}, 0x20) setsockopt$inet6_IPV6_FLOWLABEL_MGR(r6, 0x29, 0x20, &(0x7f0000000300)={@mcast2, 0x10000, 0x0, 0x102, 0x8000003}, 0x20) setsockopt$inet6_IPV6_FLOWLABEL_MGR(r6, 0x29, 0x20, 0x0, 0x0) connect$inet6(r6, &(0x7f0000000500)={0xa, 0x0, 0x40f7, @mcast2, 0x7ff}, 0x9) r7 = syz_open_procfs(0x0, &(0x7f0000000600)='net/ip6_flowlabel\x00n\xc01\x14\x894X\xed\xc1\xc9\xd8\xdcK\r\x8d\xae\x98&@\xd0\xe6\xbbQ\xd7\xffYn\x1c\x92\xde\x0e\xaa1\x91\x98\xe9\x1f\nMCi|+\xcdw\xf0\x176Z\xf1`\xac\xf3;\xd6d2\xeb\xe5\f\x0e\x8b\xda\xf7\xfc9\xfe\xff4\xef\'\xa19q\x93\"\x7fG3\xc1E\xe6e6\xc6\xc2u\x11% \xe7+0\x97\x84;\\\xda\xc4\x80\xc3\xb18N\xbfY%\x05\xf8\x85\x89\xfc\xd2\xd7') sendfile(r6, r7, &(0x7f0000000240)=0x202, 0x4000000000dc) r8 = syz_genetlink_get_family_id$nbd(&(0x7f0000000140)='nbd\x00') ioctl$KVM_S390_UCAS_UNMAP(r7, 0x4018ae51, &(0x7f00000000c0)={0x8000, 0x7ff, 0x2}) sendmsg$NBD_CMD_RECONFIGURE(r7, &(0x7f0000000200)={&(0x7f0000000100)={0x10, 0x0, 0x0, 0x80}, 0xc, &(0x7f00000001c0)={&(0x7f0000000180)={0x1ce, r8, 0xc05, 0x70bd29, 0x25dfdbff}, 0x14}, 0x1, 0x0, 0x0, 0x4}, 0x84) sendmsg$NBD_CMD_STATUS(r5, &(0x7f00000002c0)={&(0x7f0000000180)={0x10, 0x0, 0x0, 0x1000000}, 0xc, &(0x7f0000000280)={&(0x7f00000001c0)={0x28, r8, 0x10, 0x70bd25, 0x25dfdbfb, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x5}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x28}, 0x1, 0x0, 0x0, 0x8b29ba74f3c49941}, 0x4044) r9 = openat$audio(0xffffffffffffff9c, &(0x7f0000003500)='/dev/audio\x00', 0x200000, 0x0) r10 = socket$kcm(0x2b, 0x8000000000001, 0x0) ioctl$PERF_EVENT_IOC_ENABLE(r10, 0x8912, 0x400200) r11 = openat$vcs(0xffffffffffffff9c, &(0x7f0000000000)='/dev/vcs\x00', 0x0, 0x0) r12 = socket$nl_generic(0x10, 0x3, 0x10) poll(&(0x7f0000000040)=[{r11}, {r10}, {r12}], 0x3, 0x6) sendmsg$NBD_CMD_CONNECT(r3, &(0x7f0000003600)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x80}, 0xc, &(0x7f00000035c0)={&(0x7f0000003540)={0x54, r8, 0x300, 0x70bd2b, 0x25dfdbfe, {}, [@NBD_ATTR_SOCKETS={0x2c, 0x7, [{0x8, 0x1, r9}, {0x8, 0x1, r11}, {0x8, 0x1, r0}, {0x8}, {0x8, 0x1, r0}]}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}]}, 0x54}, 0x1, 0x0, 0x0, 0x80000c0}, 0x4000000) [ 975.589189][ C1] protocol 88fb is buggy, dev hsr_slave_0 [ 975.594989][ C1] protocol 88fb is buggy, dev hsr_slave_1 10:47:10 executing program 1: r0 = perf_event_open(&(0x7f0000940000)={0x2, 0x70, 0xfffffffffffffffd, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}}, 0x0, 0x0, 0xffffffffffffffff, 0x0) mmap(&(0x7f00004da000/0x1000)=nil, 0x1000, 0x0, 0x4000012, r0, 0x0) mincore(&(0x7f00003fa000/0x200000)=nil, 0x200190, &(0x7f0000000000)=""/222) 10:47:10 executing program 4: r0 = socket$kcm(0x2b, 0x8000000000001, 0x0) ioctl$PERF_EVENT_IOC_ENABLE(r0, 0x8912, 0x400200) r1 = socket$inet6(0xa, 0x3, 0x6) setsockopt$inet6_IPV6_FLOWLABEL_MGR(r1, 0x29, 0x20, &(0x7f0000000300)={@mcast2, 0x10000, 0x0, 0x102, 0x8000003}, 0x43) 10:47:10 executing program 3: mknod(&(0x7f0000000040)='./bus\x00', 0x2000000000001003, 0x0) r0 = open(&(0x7f0000000100)='./bus\x00', 0x20000000000b04, 0x0) r1 = epoll_create(0x7) epoll_ctl$EPOLL_CTL_ADD(r1, 0x1, r0, &(0x7f00000001c0)) r2 = socket$kcm(0x2b, 0x8000000000001, 0x0) ioctl$PERF_EVENT_IOC_ENABLE(r2, 0x8912, 0x400200) r3 = openat$vcs(0xffffffffffffff9c, &(0x7f0000000000)='/dev/vcs\x00', 0x0, 0x0) r4 = socket$nl_generic(0x10, 0x3, 0x10) poll(&(0x7f0000000040)=[{r3}, {r2}, {r4}], 0x3, 0x6) r5 = socket(0x2000000000000021, 0x2, 0x10000000000002) connect$rxrpc(r5, &(0x7f0000000140)=@in4={0x21, 0x0, 0x2, 0x10, {0x2, 0x0, @rand_addr=0xdd}}, 0x24) sendmmsg(r5, &(0x7f0000005c00)=[{{0x0, 0xfffffffffffffd95, 0x0, 0x0, &(0x7f0000000000)=ANY=[@ANYBLOB="18000800000000001001000001000000ec00000000000000"], 0x18}}], 0x1, 0x0) r6 = socket$inet6(0xa, 0x3, 0x6) mmap(&(0x7f0000ffd000/0x2000)=nil, 0x2000, 0x8, 0x810, r6, 0x0) setsockopt$inet6_IPV6_FLOWLABEL_MGR(r6, 0x29, 0x20, &(0x7f0000000080)={@loopback, 0x800, 0x0, 0x100000003, 0x1, 0x0, 0x0, 0x400000000}, 0x20) setsockopt$inet6_IPV6_FLOWLABEL_MGR(r6, 0x29, 0x20, &(0x7f0000000300)={@mcast2, 0x10000, 0x0, 0x102, 0x8000003}, 0x20) setsockopt$inet6_IPV6_FLOWLABEL_MGR(r6, 0x29, 0x20, 0x0, 0x0) connect$inet6(r6, &(0x7f0000000500)={0xa, 0x0, 0x40f7, @mcast2, 0x7ff}, 0x9) r7 = syz_open_procfs(0x0, &(0x7f0000000600)='net/ip6_flowlabel\x00n\xc01\x14\x894X\xed\xc1\xc9\xd8\xdcK\r\x8d\xae\x98&@\xd0\xe6\xbbQ\xd7\xffYn\x1c\x92\xde\x0e\xaa1\x91\x98\xe9\x1f\nMCi|+\xcdw\xf0\x176Z\xf1`\xac\xf3;\xd6d2\xeb\xe5\f\x0e\x8b\xda\xf7\xfc9\xfe\xff4\xef\'\xa19q\x93\"\x7fG3\xc1E\xe6e6\xc6\xc2u\x11% \xe7+0\x97\x84;\\\xda\xc4\x80\xc3\xb18N\xbfY%\x05\xf8\x85\x89\xfc\xd2\xd7') sendfile(r6, r7, &(0x7f0000000240)=0x202, 0x4000000000dc) r8 = syz_genetlink_get_family_id$nbd(&(0x7f0000000140)='nbd\x00') ioctl$KVM_S390_UCAS_UNMAP(r7, 0x4018ae51, &(0x7f00000000c0)={0x8000, 0x7ff, 0x2}) sendmsg$NBD_CMD_RECONFIGURE(r7, &(0x7f0000000200)={&(0x7f0000000100)={0x10, 0x0, 0x0, 0x80}, 0xc, &(0x7f00000001c0)={&(0x7f0000000180)={0x1ce, r8, 0xc05, 0x70bd29, 0x25dfdbff}, 0x14}, 0x1, 0x0, 0x0, 0x4}, 0x84) sendmsg$NBD_CMD_STATUS(r5, &(0x7f00000002c0)={&(0x7f0000000180)={0x10, 0x0, 0x0, 0x1000000}, 0xc, &(0x7f0000000280)={&(0x7f00000001c0)={0x28, r8, 0x10, 0x70bd25, 0x25dfdbfb, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x5}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x28}, 0x1, 0x0, 0x0, 0x8b29ba74f3c49941}, 0x4044) r9 = openat$audio(0xffffffffffffff9c, &(0x7f0000003500)='/dev/audio\x00', 0x200000, 0x0) r10 = socket$kcm(0x2b, 0x8000000000001, 0x0) ioctl$PERF_EVENT_IOC_ENABLE(r10, 0x8912, 0x400200) r11 = openat$vcs(0xffffffffffffff9c, &(0x7f0000000000)='/dev/vcs\x00', 0x0, 0x0) r12 = socket$nl_generic(0x10, 0x3, 0x10) poll(&(0x7f0000000040)=[{r11}, {r10}, {r12}], 0x3, 0x6) sendmsg$NBD_CMD_CONNECT(r3, &(0x7f0000003600)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x80}, 0xc, &(0x7f00000035c0)={&(0x7f0000003540)={0x54, r8, 0x300, 0x70bd2b, 0x25dfdbfe, {}, [@NBD_ATTR_SOCKETS={0x2c, 0x7, [{0x8, 0x1, r9}, {0x8, 0x1, r11}, {0x8, 0x1, r0}, {0x8}, {0x8, 0x1, r0}]}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}]}, 0x54}, 0x1, 0x0, 0x0, 0x80000c0}, 0x4000000) 10:47:10 executing program 4: r0 = socket$kcm(0x2b, 0x8000000000001, 0x0) ioctl$PERF_EVENT_IOC_ENABLE(r0, 0x8912, 0x400200) r1 = socket$inet6(0xa, 0x3, 0x6) setsockopt$inet6_IPV6_FLOWLABEL_MGR(r1, 0x29, 0x20, &(0x7f0000000300)={@mcast2, 0x10000, 0x0, 0x102, 0x8000003}, 0x46) [ 975.899181][ C1] protocol 88fb is buggy, dev hsr_slave_0 [ 975.904999][ C1] protocol 88fb is buggy, dev hsr_slave_1 10:47:10 executing program 1: r0 = perf_event_open(&(0x7f0000940000)={0x2, 0x70, 0xfffffffffffffffd, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}}, 0x0, 0x0, 0xffffffffffffffff, 0x0) mmap(&(0x7f00004da000/0x1000)=nil, 0x1000, 0x0, 0x4000012, r0, 0x0) mincore(&(0x7f00003fa000/0x200000)=nil, 0x200191, &(0x7f0000000000)=""/222) 10:47:10 executing program 3: mknod(&(0x7f0000000040)='./bus\x00', 0x2000000000001003, 0x0) r0 = open(&(0x7f0000000100)='./bus\x00', 0x20000000000b04, 0x0) r1 = epoll_create(0x7) epoll_ctl$EPOLL_CTL_ADD(r1, 0x1, r0, &(0x7f00000001c0)) r2 = socket$kcm(0x2b, 0x8000000000001, 0x0) ioctl$PERF_EVENT_IOC_ENABLE(r2, 0x8912, 0x400200) r3 = openat$vcs(0xffffffffffffff9c, &(0x7f0000000000)='/dev/vcs\x00', 0x0, 0x0) r4 = socket$nl_generic(0x10, 0x3, 0x10) poll(&(0x7f0000000040)=[{r3}, {r2}, {r4}], 0x3, 0x6) r5 = socket(0x2000000000000021, 0x2, 0x10000000000002) connect$rxrpc(r5, &(0x7f0000000140)=@in4={0x21, 0x0, 0x2, 0x10, {0x2, 0x0, @rand_addr=0xdd}}, 0x24) sendmmsg(r5, &(0x7f0000005c00)=[{{0x0, 0xfffffffffffffd95, 0x0, 0x0, &(0x7f0000000000)=ANY=[@ANYBLOB="18000800000000001001000001000000ec00000000000000"], 0x18}}], 0x1, 0x0) r6 = socket$inet6(0xa, 0x3, 0x6) mmap(&(0x7f0000ffd000/0x2000)=nil, 0x2000, 0x8, 0x810, r6, 0x0) setsockopt$inet6_IPV6_FLOWLABEL_MGR(r6, 0x29, 0x20, &(0x7f0000000080)={@loopback, 0x800, 0x0, 0x100000003, 0x1, 0x0, 0x0, 0x400000000}, 0x20) setsockopt$inet6_IPV6_FLOWLABEL_MGR(r6, 0x29, 0x20, &(0x7f0000000300)={@mcast2, 0x10000, 0x0, 0x102, 0x8000003}, 0x20) setsockopt$inet6_IPV6_FLOWLABEL_MGR(r6, 0x29, 0x20, &(0x7f0000000040)={@loopback, 0x0, 0x0, 0x0, 0x3}, 0x20) connect$inet6(r6, &(0x7f0000000500)={0xa, 0x0, 0x40f7, @mcast2, 0x7ff}, 0x9) r7 = syz_open_procfs(0x0, &(0x7f0000000600)='net/ip6_flowlabel\x00n\xc01\x14\x894X\xed\xc1\xc9\xd8\xdcK\r\x8d\xae\x98&@\xd0\xe6\xbbQ\xd7\xffYn\x1c\x92\xde\x0e\xaa1\x91\x98\xe9\x1f\nMCi|+\xcdw\xf0\x176Z\xf1`\xac\xf3;\xd6d2\xeb\xe5\f\x0e\x8b\xda\xf7\xfc9\xfe\xff4\xef\'\xa19q\x93\"\x7fG3\xc1E\xe6e6\xc6\xc2u\x11% \xe7+0\x97\x84;\\\xda\xc4\x80\xc3\xb18N\xbfY%\x05\xf8\x85\x89\xfc\xd2\xd7') sendfile(r6, r7, &(0x7f0000000240)=0x202, 0x4000000000dc) r8 = syz_genetlink_get_family_id$nbd(&(0x7f0000000140)='nbd\x00') ioctl$KVM_S390_UCAS_UNMAP(r7, 0x4018ae51, &(0x7f00000000c0)={0x8000, 0x7ff, 0x2}) sendmsg$NBD_CMD_RECONFIGURE(r7, &(0x7f0000000200)={&(0x7f0000000100)={0x10, 0x0, 0x0, 0x80}, 0xc, &(0x7f00000001c0)={&(0x7f0000000180)={0x1ce, r8, 0xc05, 0x70bd29, 0x25dfdbff}, 0x14}, 0x1, 0x0, 0x0, 0x4}, 0x84) sendmsg$NBD_CMD_STATUS(r5, &(0x7f00000002c0)={&(0x7f0000000180)={0x10, 0x0, 0x0, 0x1000000}, 0xc, &(0x7f0000000280)={&(0x7f00000001c0)={0x28, r8, 0x10, 0x70bd25, 0x25dfdbfb, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x5}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x28}, 0x1, 0x0, 0x0, 0x8b29ba74f3c49941}, 0x4044) r9 = openat$audio(0xffffffffffffff9c, &(0x7f0000003500)='/dev/audio\x00', 0x200000, 0x0) r10 = socket$kcm(0x2b, 0x8000000000001, 0x0) ioctl$PERF_EVENT_IOC_ENABLE(r10, 0x8912, 0x400200) r11 = openat$vcs(0xffffffffffffff9c, &(0x7f0000000000)='/dev/vcs\x00', 0x0, 0x0) r12 = socket$nl_generic(0x10, 0x3, 0x10) poll(&(0x7f0000000040)=[{r11}, {r10}, {r12}], 0x3, 0x6) sendmsg$NBD_CMD_CONNECT(r3, &(0x7f0000003600)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x80}, 0xc, &(0x7f00000035c0)={&(0x7f0000003540)={0x54, r8, 0x300, 0x70bd2b, 0x25dfdbfe, {}, [@NBD_ATTR_SOCKETS={0x2c, 0x7, [{0x8, 0x1, r9}, {0x8, 0x1, r11}, {0x8, 0x1, r0}, {0x8}, {0x8, 0x1, r0}]}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}]}, 0x54}, 0x1, 0x0, 0x0, 0x80000c0}, 0x4000000) 10:47:10 executing program 4: r0 = socket$kcm(0x2b, 0x8000000000001, 0x0) ioctl$PERF_EVENT_IOC_ENABLE(r0, 0x8912, 0x400200) r1 = socket$inet6(0xa, 0x3, 0x6) setsockopt$inet6_IPV6_FLOWLABEL_MGR(r1, 0x29, 0x20, &(0x7f0000000300)={@mcast2, 0x10000, 0x0, 0x102, 0x8000003}, 0x48) 10:47:10 executing program 1: r0 = perf_event_open(&(0x7f0000940000)={0x2, 0x70, 0xfffffffffffffffd, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}}, 0x0, 0x0, 0xffffffffffffffff, 0x0) mmap(&(0x7f00004da000/0x1000)=nil, 0x1000, 0x0, 0x4000012, r0, 0x0) mincore(&(0x7f00003fa000/0x200000)=nil, 0x200192, &(0x7f0000000000)=""/222) 10:47:10 executing program 5: r0 = socket$kcm(0x10, 0x2, 0x10) r1 = socket$inet6_dccp(0xa, 0x6, 0x0) getsockopt$inet6_int(r1, 0x29, 0x3c, 0x0, &(0x7f00000015c0)) flock(r1, 0x6) sendmsg$kcm(r0, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000040)=[{&(0x7f0000000300)="1400000013000507ed008064d20010002e000080", 0x14}], 0x1}, 0x0) 10:47:10 executing program 4: r0 = socket$kcm(0x2b, 0x8000000000001, 0x0) ioctl$PERF_EVENT_IOC_ENABLE(r0, 0x8912, 0x400200) r1 = socket$inet6(0xa, 0x3, 0x6) setsockopt$inet6_IPV6_FLOWLABEL_MGR(r1, 0x29, 0x20, &(0x7f0000000300)={@mcast2, 0x10000, 0x0, 0x102, 0x8000003}, 0x49) [ 976.299178][ C1] protocol 88fb is buggy, dev hsr_slave_0 [ 976.304984][ C1] protocol 88fb is buggy, dev hsr_slave_1 10:47:10 executing program 3: mknod(&(0x7f0000000040)='./bus\x00', 0x2000000000001003, 0x0) r0 = open(&(0x7f0000000100)='./bus\x00', 0x20000000000b04, 0x0) r1 = epoll_create(0x7) epoll_ctl$EPOLL_CTL_ADD(r1, 0x1, r0, &(0x7f00000001c0)) r2 = socket$kcm(0x2b, 0x8000000000001, 0x0) ioctl$PERF_EVENT_IOC_ENABLE(r2, 0x8912, 0x400200) r3 = openat$vcs(0xffffffffffffff9c, &(0x7f0000000000)='/dev/vcs\x00', 0x0, 0x0) r4 = socket$nl_generic(0x10, 0x3, 0x10) poll(&(0x7f0000000040)=[{r3}, {r2}, {r4}], 0x3, 0x6) r5 = socket(0x2000000000000021, 0x2, 0x10000000000002) connect$rxrpc(r5, &(0x7f0000000140)=@in4={0x21, 0x0, 0x2, 0x10, {0x2, 0x0, @rand_addr=0xdd}}, 0x24) sendmmsg(r5, &(0x7f0000005c00)=[{{0x0, 0xfffffffffffffd95, 0x0, 0x0, &(0x7f0000000000)=ANY=[@ANYBLOB="18000800000000001001000001000000ec00000000000000"], 0x18}}], 0x1, 0x0) r6 = socket$inet6(0xa, 0x3, 0x6) mmap(&(0x7f0000ffd000/0x2000)=nil, 0x2000, 0x8, 0x810, r6, 0x0) setsockopt$inet6_IPV6_FLOWLABEL_MGR(r6, 0x29, 0x20, &(0x7f0000000080)={@loopback, 0x800, 0x0, 0x100000003, 0x1, 0x0, 0x0, 0x400000000}, 0x20) setsockopt$inet6_IPV6_FLOWLABEL_MGR(r6, 0x29, 0x20, &(0x7f0000000300)={@mcast2, 0x10000, 0x0, 0x102, 0x8000003}, 0x20) setsockopt$inet6_IPV6_FLOWLABEL_MGR(r6, 0x29, 0x20, &(0x7f0000000040)={@loopback, 0x0, 0x0, 0x0, 0x3}, 0x20) connect$inet6(r6, &(0x7f0000000500)={0xa, 0x0, 0x40f7, @mcast2, 0x7ff}, 0x9) r7 = syz_open_procfs(0x0, &(0x7f0000000600)='net/ip6_flowlabel\x00n\xc01\x14\x894X\xed\xc1\xc9\xd8\xdcK\r\x8d\xae\x98&@\xd0\xe6\xbbQ\xd7\xffYn\x1c\x92\xde\x0e\xaa1\x91\x98\xe9\x1f\nMCi|+\xcdw\xf0\x176Z\xf1`\xac\xf3;\xd6d2\xeb\xe5\f\x0e\x8b\xda\xf7\xfc9\xfe\xff4\xef\'\xa19q\x93\"\x7fG3\xc1E\xe6e6\xc6\xc2u\x11% \xe7+0\x97\x84;\\\xda\xc4\x80\xc3\xb18N\xbfY%\x05\xf8\x85\x89\xfc\xd2\xd7') sendfile(r6, r7, &(0x7f0000000240)=0x202, 0x4000000000dc) r8 = syz_genetlink_get_family_id$nbd(&(0x7f0000000140)='nbd\x00') ioctl$KVM_S390_UCAS_UNMAP(r7, 0x4018ae51, &(0x7f00000000c0)={0x8000, 0x7ff, 0x2}) sendmsg$NBD_CMD_RECONFIGURE(r7, &(0x7f0000000200)={&(0x7f0000000100)={0x10, 0x0, 0x0, 0x80}, 0xc, &(0x7f00000001c0)={&(0x7f0000000180)={0x1ce, r8, 0xc05, 0x70bd29, 0x25dfdbff}, 0x14}, 0x1, 0x0, 0x0, 0x4}, 0x84) sendmsg$NBD_CMD_STATUS(r5, &(0x7f00000002c0)={&(0x7f0000000180)={0x10, 0x0, 0x0, 0x1000000}, 0xc, &(0x7f0000000280)={&(0x7f00000001c0)={0x28, r8, 0x10, 0x70bd25, 0x25dfdbfb, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x5}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x28}, 0x1, 0x0, 0x0, 0x8b29ba74f3c49941}, 0x4044) r9 = openat$audio(0xffffffffffffff9c, &(0x7f0000003500)='/dev/audio\x00', 0x200000, 0x0) r10 = socket$kcm(0x2b, 0x8000000000001, 0x0) ioctl$PERF_EVENT_IOC_ENABLE(r10, 0x8912, 0x400200) r11 = openat$vcs(0xffffffffffffff9c, &(0x7f0000000000)='/dev/vcs\x00', 0x0, 0x0) r12 = socket$nl_generic(0x10, 0x3, 0x10) poll(&(0x7f0000000040)=[{r11}, {r10}, {r12}], 0x3, 0x6) sendmsg$NBD_CMD_CONNECT(r3, &(0x7f0000003600)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x80}, 0xc, &(0x7f00000035c0)={&(0x7f0000003540)={0x54, r8, 0x300, 0x70bd2b, 0x25dfdbfe, {}, [@NBD_ATTR_SOCKETS={0x2c, 0x7, [{0x8, 0x1, r9}, {0x8, 0x1, r11}, {0x8, 0x1, r0}, {0x8}, {0x8, 0x1, r0}]}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}]}, 0x54}, 0x1, 0x0, 0x0, 0x80000c0}, 0x4000000) 10:47:10 executing program 5: r0 = socket$kcm(0x10, 0x2, 0x10) sendmsg$kcm(r0, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000040)=[{&(0x7f0000000140)="1400000013000507ed008064d20010002e00009b2c7440e4777adaa95e9bb7586dbe0f66b97b6d5fe4e5675e099834cc1e646a40b8ac42ce2e4ad275", 0x3c}], 0x1}, 0x8104) ioctl$sock_SIOCGIFCONF(r0, 0x8912, &(0x7f0000000000)=@buf={0x96, &(0x7f0000000080)="f9ed249a24bd0600414911928a42cdcdac5594208608db6b78d54fc94d0192a12f7212ad2a4de8f17e6927f753ad6ecc0b74e39de287ac152192cd7458248549ad7a74dcd592058779112cb4696ff81100b3400cdda5794c721cf6df47e539caf62bf7929666114676b05cce18cdceb2da2485db37f1f863ee1cf93c4b2202c52c09c6b12fbbc7be2b3fbbad4936ffec94c59b9ac4a2"}) 10:47:11 executing program 4: r0 = socket$kcm(0x2b, 0x8000000000001, 0x0) ioctl$PERF_EVENT_IOC_ENABLE(r0, 0x8912, 0x400200) r1 = socket$inet6(0xa, 0x3, 0x6) setsockopt$inet6_IPV6_FLOWLABEL_MGR(r1, 0x29, 0x20, &(0x7f0000000300)={@mcast2, 0x10000, 0x0, 0x102, 0x8000003}, 0x4a) 10:47:11 executing program 1: r0 = perf_event_open(&(0x7f0000940000)={0x2, 0x70, 0xfffffffffffffffd, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}}, 0x0, 0x0, 0xffffffffffffffff, 0x0) mmap(&(0x7f00004da000/0x1000)=nil, 0x1000, 0x0, 0x4000012, r0, 0x0) mincore(&(0x7f00003fa000/0x200000)=nil, 0x200193, &(0x7f0000000000)=""/222) 10:47:11 executing program 3: mknod(&(0x7f0000000040)='./bus\x00', 0x2000000000001003, 0x0) r0 = open(&(0x7f0000000100)='./bus\x00', 0x20000000000b04, 0x0) r1 = epoll_create(0x7) epoll_ctl$EPOLL_CTL_ADD(r1, 0x1, r0, &(0x7f00000001c0)) r2 = socket$kcm(0x2b, 0x8000000000001, 0x0) ioctl$PERF_EVENT_IOC_ENABLE(r2, 0x8912, 0x400200) r3 = openat$vcs(0xffffffffffffff9c, &(0x7f0000000000)='/dev/vcs\x00', 0x0, 0x0) r4 = socket$nl_generic(0x10, 0x3, 0x10) poll(&(0x7f0000000040)=[{r3}, {r2}, {r4}], 0x3, 0x6) r5 = socket(0x2000000000000021, 0x2, 0x10000000000002) connect$rxrpc(r5, &(0x7f0000000140)=@in4={0x21, 0x0, 0x2, 0x10, {0x2, 0x0, @rand_addr=0xdd}}, 0x24) sendmmsg(r5, &(0x7f0000005c00)=[{{0x0, 0xfffffffffffffd95, 0x0, 0x0, &(0x7f0000000000)=ANY=[@ANYBLOB="18000800000000001001000001000000ec00000000000000"], 0x18}}], 0x1, 0x0) r6 = socket$inet6(0xa, 0x3, 0x6) mmap(&(0x7f0000ffd000/0x2000)=nil, 0x2000, 0x8, 0x810, r6, 0x0) setsockopt$inet6_IPV6_FLOWLABEL_MGR(r6, 0x29, 0x20, &(0x7f0000000080)={@loopback, 0x800, 0x0, 0x100000003, 0x1, 0x0, 0x0, 0x400000000}, 0x20) setsockopt$inet6_IPV6_FLOWLABEL_MGR(r6, 0x29, 0x20, &(0x7f0000000300)={@mcast2, 0x10000, 0x0, 0x102, 0x8000003}, 0x20) setsockopt$inet6_IPV6_FLOWLABEL_MGR(r6, 0x29, 0x20, &(0x7f0000000040)={@loopback, 0x0, 0x0, 0x0, 0x3}, 0x20) connect$inet6(r6, &(0x7f0000000500)={0xa, 0x0, 0x40f7, @mcast2, 0x7ff}, 0x9) r7 = syz_open_procfs(0x0, &(0x7f0000000600)='net/ip6_flowlabel\x00n\xc01\x14\x894X\xed\xc1\xc9\xd8\xdcK\r\x8d\xae\x98&@\xd0\xe6\xbbQ\xd7\xffYn\x1c\x92\xde\x0e\xaa1\x91\x98\xe9\x1f\nMCi|+\xcdw\xf0\x176Z\xf1`\xac\xf3;\xd6d2\xeb\xe5\f\x0e\x8b\xda\xf7\xfc9\xfe\xff4\xef\'\xa19q\x93\"\x7fG3\xc1E\xe6e6\xc6\xc2u\x11% \xe7+0\x97\x84;\\\xda\xc4\x80\xc3\xb18N\xbfY%\x05\xf8\x85\x89\xfc\xd2\xd7') sendfile(r6, r7, &(0x7f0000000240)=0x202, 0x4000000000dc) r8 = syz_genetlink_get_family_id$nbd(&(0x7f0000000140)='nbd\x00') ioctl$KVM_S390_UCAS_UNMAP(r7, 0x4018ae51, &(0x7f00000000c0)={0x8000, 0x7ff, 0x2}) sendmsg$NBD_CMD_RECONFIGURE(r7, &(0x7f0000000200)={&(0x7f0000000100)={0x10, 0x0, 0x0, 0x80}, 0xc, &(0x7f00000001c0)={&(0x7f0000000180)={0x1ce, r8, 0xc05, 0x70bd29, 0x25dfdbff}, 0x14}, 0x1, 0x0, 0x0, 0x4}, 0x84) sendmsg$NBD_CMD_STATUS(r5, &(0x7f00000002c0)={&(0x7f0000000180)={0x10, 0x0, 0x0, 0x1000000}, 0xc, &(0x7f0000000280)={&(0x7f00000001c0)={0x28, r8, 0x10, 0x70bd25, 0x25dfdbfb, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x5}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x28}, 0x1, 0x0, 0x0, 0x8b29ba74f3c49941}, 0x4044) r9 = openat$audio(0xffffffffffffff9c, &(0x7f0000003500)='/dev/audio\x00', 0x200000, 0x0) r10 = socket$kcm(0x2b, 0x8000000000001, 0x0) ioctl$PERF_EVENT_IOC_ENABLE(r10, 0x8912, 0x400200) r11 = openat$vcs(0xffffffffffffff9c, &(0x7f0000000000)='/dev/vcs\x00', 0x0, 0x0) r12 = socket$nl_generic(0x10, 0x3, 0x10) poll(&(0x7f0000000040)=[{r11}, {r10}, {r12}], 0x3, 0x6) sendmsg$NBD_CMD_CONNECT(r3, &(0x7f0000003600)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x80}, 0xc, &(0x7f00000035c0)={&(0x7f0000003540)={0x54, r8, 0x300, 0x70bd2b, 0x25dfdbfe, {}, [@NBD_ATTR_SOCKETS={0x2c, 0x7, [{0x8, 0x1, r9}, {0x8, 0x1, r11}, {0x8, 0x1, r0}, {0x8}, {0x8, 0x1, r0}]}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}]}, 0x54}, 0x1, 0x0, 0x0, 0x80000c0}, 0x4000000) 10:47:11 executing program 4: r0 = socket$kcm(0x2b, 0x8000000000001, 0x0) ioctl$PERF_EVENT_IOC_ENABLE(r0, 0x8912, 0x400200) r1 = socket$inet6(0xa, 0x3, 0x6) setsockopt$inet6_IPV6_FLOWLABEL_MGR(r1, 0x29, 0x20, &(0x7f0000000300)={@mcast2, 0x10000, 0x0, 0x102, 0x8000003}, 0x4b) 10:47:11 executing program 1: r0 = perf_event_open(&(0x7f0000940000)={0x2, 0x70, 0xfffffffffffffffd, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}}, 0x0, 0x0, 0xffffffffffffffff, 0x0) mmap(&(0x7f00004da000/0x1000)=nil, 0x1000, 0x0, 0x4000012, r0, 0x0) mincore(&(0x7f00003fa000/0x200000)=nil, 0x200194, &(0x7f0000000000)=""/222) 10:47:11 executing program 3: mknod(&(0x7f0000000040)='./bus\x00', 0x2000000000001003, 0x0) r0 = open(&(0x7f0000000100)='./bus\x00', 0x20000000000b04, 0x0) r1 = epoll_create(0x7) epoll_ctl$EPOLL_CTL_ADD(r1, 0x1, r0, &(0x7f00000001c0)) r2 = socket$kcm(0x2b, 0x8000000000001, 0x0) ioctl$PERF_EVENT_IOC_ENABLE(r2, 0x8912, 0x400200) r3 = openat$vcs(0xffffffffffffff9c, &(0x7f0000000000)='/dev/vcs\x00', 0x0, 0x0) r4 = socket$nl_generic(0x10, 0x3, 0x10) poll(&(0x7f0000000040)=[{r3}, {r2}, {r4}], 0x3, 0x6) r5 = socket(0x2000000000000021, 0x2, 0x10000000000002) connect$rxrpc(r5, &(0x7f0000000140)=@in4={0x21, 0x0, 0x2, 0x10, {0x2, 0x0, @rand_addr=0xdd}}, 0x24) sendmmsg(r5, &(0x7f0000005c00)=[{{0x0, 0xfffffffffffffd95, 0x0, 0x0, &(0x7f0000000000)=ANY=[@ANYBLOB="18000800000000001001000001000000ec00000000000000"], 0x18}}], 0x1, 0x0) r6 = socket$inet6(0xa, 0x3, 0x6) mmap(&(0x7f0000ffd000/0x2000)=nil, 0x2000, 0x8, 0x810, r6, 0x0) setsockopt$inet6_IPV6_FLOWLABEL_MGR(r6, 0x29, 0x20, &(0x7f0000000080)={@loopback, 0x800, 0x0, 0x100000003, 0x1, 0x0, 0x0, 0x400000000}, 0x20) setsockopt$inet6_IPV6_FLOWLABEL_MGR(r6, 0x29, 0x20, &(0x7f0000000300)={@mcast2, 0x10000, 0x0, 0x102, 0x8000003}, 0x20) setsockopt$inet6_IPV6_FLOWLABEL_MGR(r6, 0x29, 0x20, &(0x7f0000000040)={@loopback, 0x0, 0x0, 0x1}, 0x20) connect$inet6(r6, &(0x7f0000000500)={0xa, 0x0, 0x40f7, @mcast2, 0x7ff}, 0x9) r7 = syz_open_procfs(0x0, &(0x7f0000000600)='net/ip6_flowlabel\x00n\xc01\x14\x894X\xed\xc1\xc9\xd8\xdcK\r\x8d\xae\x98&@\xd0\xe6\xbbQ\xd7\xffYn\x1c\x92\xde\x0e\xaa1\x91\x98\xe9\x1f\nMCi|+\xcdw\xf0\x176Z\xf1`\xac\xf3;\xd6d2\xeb\xe5\f\x0e\x8b\xda\xf7\xfc9\xfe\xff4\xef\'\xa19q\x93\"\x7fG3\xc1E\xe6e6\xc6\xc2u\x11% \xe7+0\x97\x84;\\\xda\xc4\x80\xc3\xb18N\xbfY%\x05\xf8\x85\x89\xfc\xd2\xd7') sendfile(r6, r7, &(0x7f0000000240)=0x202, 0x4000000000dc) r8 = syz_genetlink_get_family_id$nbd(&(0x7f0000000140)='nbd\x00') ioctl$KVM_S390_UCAS_UNMAP(r7, 0x4018ae51, &(0x7f00000000c0)={0x8000, 0x7ff, 0x2}) sendmsg$NBD_CMD_RECONFIGURE(r7, &(0x7f0000000200)={&(0x7f0000000100)={0x10, 0x0, 0x0, 0x80}, 0xc, &(0x7f00000001c0)={&(0x7f0000000180)={0x1ce, r8, 0xc05, 0x70bd29, 0x25dfdbff}, 0x14}, 0x1, 0x0, 0x0, 0x4}, 0x84) sendmsg$NBD_CMD_STATUS(r5, &(0x7f00000002c0)={&(0x7f0000000180)={0x10, 0x0, 0x0, 0x1000000}, 0xc, &(0x7f0000000280)={&(0x7f00000001c0)={0x28, r8, 0x10, 0x70bd25, 0x25dfdbfb, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x5}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x28}, 0x1, 0x0, 0x0, 0x8b29ba74f3c49941}, 0x4044) r9 = openat$audio(0xffffffffffffff9c, &(0x7f0000003500)='/dev/audio\x00', 0x200000, 0x0) r10 = socket$kcm(0x2b, 0x8000000000001, 0x0) ioctl$PERF_EVENT_IOC_ENABLE(r10, 0x8912, 0x400200) r11 = openat$vcs(0xffffffffffffff9c, &(0x7f0000000000)='/dev/vcs\x00', 0x0, 0x0) r12 = socket$nl_generic(0x10, 0x3, 0x10) poll(&(0x7f0000000040)=[{r11}, {r10}, {r12}], 0x3, 0x6) sendmsg$NBD_CMD_CONNECT(r3, &(0x7f0000003600)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x80}, 0xc, &(0x7f00000035c0)={&(0x7f0000003540)={0x54, r8, 0x300, 0x70bd2b, 0x25dfdbfe, {}, [@NBD_ATTR_SOCKETS={0x2c, 0x7, [{0x8, 0x1, r9}, {0x8, 0x1, r11}, {0x8, 0x1, r0}, {0x8}, {0x8, 0x1, r0}]}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}]}, 0x54}, 0x1, 0x0, 0x0, 0x80000c0}, 0x4000000) 10:47:11 executing program 4: r0 = socket$kcm(0x2b, 0x8000000000001, 0x0) ioctl$PERF_EVENT_IOC_ENABLE(r0, 0x8912, 0x400200) r1 = socket$inet6(0xa, 0x3, 0x6) setsockopt$inet6_IPV6_FLOWLABEL_MGR(r1, 0x29, 0x20, &(0x7f0000000300)={@mcast2, 0x10000, 0x0, 0x102, 0x8000003}, 0x4c) 10:47:11 executing program 5: r0 = add_key$keyring(&(0x7f0000000000)='keyring\x00', &(0x7f0000000040)={'syz', 0x1}, 0x0, 0x0, 0xfffffffffffffffc) r1 = add_key(&(0x7f00000000c0)='encrypted\x00', &(0x7f00000001c0)={'syz', 0x0}, 0x0, 0x0, r0) keyctl$KEYCTL_PKEY_SIGN(0x1b, &(0x7f0000000240)={r1}, &(0x7f0000000300)={'enc=', 'oaep', ' hash=', {'wp256-generic\x00'}}, 0x0, 0x0) r2 = add_key$user(&(0x7f0000000000)='user\x00', &(0x7f0000000080)={'syz', 0x2}, &(0x7f00000000c0)="c725901d3d3342c1c672683021484be38c57d3cff63ba3080af5e28fe528a739fd018a5e0104b875a0f8f5e4428b3f8c66dfde01805f059180f0257318f65166c19bd2514ee79cf1df43b4e5e1ae0bcc1191888ecc932c203aa1af978306e9eb6f191c68837b8a35673e135c0f6398b25d0641ed5fbac2b8ae93d2c2869043efe338f933da8e33dac8f8749a225ba88de900613520af0d9fc96a177697f9d70468158cde2c2484200ba546064819be32e9783670135e8d813bdab8c50bbb34b33e9ff240784e5edc", 0xc8, r1) r3 = add_key$keyring(&(0x7f0000000000)='keyring\x00', &(0x7f0000000040)={'syz', 0x1}, 0x0, 0x0, 0xfffffffffffffffc) r4 = add_key(&(0x7f00000000c0)='encrypted\x00', &(0x7f00000001c0)={'syz', 0x0}, 0x0, 0x0, r3) keyctl$KEYCTL_PKEY_SIGN(0x1b, &(0x7f0000000240)={r4}, &(0x7f0000000300)={'enc=', 'oaep', ' hash=', {'wp256-generic\x00'}}, 0x0, 0x0) keyctl$search(0xa, r2, &(0x7f00000001c0)='ceph\x00', &(0x7f0000000200)={'syz', 0x2}, r4) r5 = socket$kcm(0x10, 0x2, 0x10) sendmsg$kcm(r5, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000040)=[{&(0x7f0000000300)="1400000013000507ed008064d20010002e000080", 0x14}], 0x1}, 0x0) 10:47:11 executing program 1: r0 = perf_event_open(&(0x7f0000940000)={0x2, 0x70, 0xfffffffffffffffd, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}}, 0x0, 0x0, 0xffffffffffffffff, 0x0) mmap(&(0x7f00004da000/0x1000)=nil, 0x1000, 0x0, 0x4000012, r0, 0x0) mincore(&(0x7f00003fa000/0x200000)=nil, 0x200195, &(0x7f0000000000)=""/222) [ 977.179192][ C0] protocol 88fb is buggy, dev hsr_slave_0 [ 977.185020][ C0] protocol 88fb is buggy, dev hsr_slave_1 10:47:11 executing program 5: r0 = socket$kcm(0x10, 0x2, 0x10) sendmsg$kcm(r0, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000040)}, 0x0) write$P9_RLOCK(0xffffffffffffffff, &(0x7f0000000000)={0x8, 0x35, 0x1}, 0x8) 10:47:11 executing program 4: r0 = socket$kcm(0x2b, 0x8000000000001, 0x0) ioctl$PERF_EVENT_IOC_ENABLE(r0, 0x8912, 0x400200) r1 = socket$inet6(0xa, 0x3, 0x6) setsockopt$inet6_IPV6_FLOWLABEL_MGR(r1, 0x29, 0x20, &(0x7f0000000300)={@mcast2, 0x10000, 0x0, 0x102, 0x8000003}, 0x4d) 10:47:11 executing program 3: mknod(&(0x7f0000000040)='./bus\x00', 0x2000000000001003, 0x0) r0 = open(&(0x7f0000000100)='./bus\x00', 0x20000000000b04, 0x0) r1 = epoll_create(0x7) epoll_ctl$EPOLL_CTL_ADD(r1, 0x1, r0, &(0x7f00000001c0)) r2 = socket$kcm(0x2b, 0x8000000000001, 0x0) ioctl$PERF_EVENT_IOC_ENABLE(r2, 0x8912, 0x400200) r3 = openat$vcs(0xffffffffffffff9c, &(0x7f0000000000)='/dev/vcs\x00', 0x0, 0x0) r4 = socket$nl_generic(0x10, 0x3, 0x10) poll(&(0x7f0000000040)=[{r3}, {r2}, {r4}], 0x3, 0x6) r5 = socket(0x2000000000000021, 0x2, 0x10000000000002) connect$rxrpc(r5, &(0x7f0000000140)=@in4={0x21, 0x0, 0x2, 0x10, {0x2, 0x0, @rand_addr=0xdd}}, 0x24) sendmmsg(r5, &(0x7f0000005c00)=[{{0x0, 0xfffffffffffffd95, 0x0, 0x0, &(0x7f0000000000)=ANY=[@ANYBLOB="18000800000000001001000001000000ec00000000000000"], 0x18}}], 0x1, 0x0) r6 = socket$inet6(0xa, 0x3, 0x6) mmap(&(0x7f0000ffd000/0x2000)=nil, 0x2000, 0x8, 0x810, r6, 0x0) setsockopt$inet6_IPV6_FLOWLABEL_MGR(r6, 0x29, 0x20, &(0x7f0000000080)={@loopback, 0x800, 0x0, 0x100000003, 0x1, 0x0, 0x0, 0x400000000}, 0x20) setsockopt$inet6_IPV6_FLOWLABEL_MGR(r6, 0x29, 0x20, &(0x7f0000000300)={@mcast2, 0x10000, 0x0, 0x102, 0x8000003}, 0x20) setsockopt$inet6_IPV6_FLOWLABEL_MGR(r6, 0x29, 0x20, &(0x7f0000000040)={@loopback, 0x0, 0x0, 0x1}, 0x20) connect$inet6(r6, &(0x7f0000000500)={0xa, 0x0, 0x40f7, @mcast2, 0x7ff}, 0x9) r7 = syz_open_procfs(0x0, &(0x7f0000000600)='net/ip6_flowlabel\x00n\xc01\x14\x894X\xed\xc1\xc9\xd8\xdcK\r\x8d\xae\x98&@\xd0\xe6\xbbQ\xd7\xffYn\x1c\x92\xde\x0e\xaa1\x91\x98\xe9\x1f\nMCi|+\xcdw\xf0\x176Z\xf1`\xac\xf3;\xd6d2\xeb\xe5\f\x0e\x8b\xda\xf7\xfc9\xfe\xff4\xef\'\xa19q\x93\"\x7fG3\xc1E\xe6e6\xc6\xc2u\x11% \xe7+0\x97\x84;\\\xda\xc4\x80\xc3\xb18N\xbfY%\x05\xf8\x85\x89\xfc\xd2\xd7') sendfile(r6, r7, &(0x7f0000000240)=0x202, 0x4000000000dc) r8 = syz_genetlink_get_family_id$nbd(&(0x7f0000000140)='nbd\x00') ioctl$KVM_S390_UCAS_UNMAP(r7, 0x4018ae51, &(0x7f00000000c0)={0x8000, 0x7ff, 0x2}) sendmsg$NBD_CMD_RECONFIGURE(r7, &(0x7f0000000200)={&(0x7f0000000100)={0x10, 0x0, 0x0, 0x80}, 0xc, &(0x7f00000001c0)={&(0x7f0000000180)={0x1ce, r8, 0xc05, 0x70bd29, 0x25dfdbff}, 0x14}, 0x1, 0x0, 0x0, 0x4}, 0x84) sendmsg$NBD_CMD_STATUS(r5, &(0x7f00000002c0)={&(0x7f0000000180)={0x10, 0x0, 0x0, 0x1000000}, 0xc, &(0x7f0000000280)={&(0x7f00000001c0)={0x28, r8, 0x10, 0x70bd25, 0x25dfdbfb, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x5}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x28}, 0x1, 0x0, 0x0, 0x8b29ba74f3c49941}, 0x4044) r9 = openat$audio(0xffffffffffffff9c, &(0x7f0000003500)='/dev/audio\x00', 0x200000, 0x0) r10 = socket$kcm(0x2b, 0x8000000000001, 0x0) ioctl$PERF_EVENT_IOC_ENABLE(r10, 0x8912, 0x400200) r11 = openat$vcs(0xffffffffffffff9c, &(0x7f0000000000)='/dev/vcs\x00', 0x0, 0x0) r12 = socket$nl_generic(0x10, 0x3, 0x10) poll(&(0x7f0000000040)=[{r11}, {r10}, {r12}], 0x3, 0x6) sendmsg$NBD_CMD_CONNECT(r3, &(0x7f0000003600)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x80}, 0xc, &(0x7f00000035c0)={&(0x7f0000003540)={0x54, r8, 0x300, 0x70bd2b, 0x25dfdbfe, {}, [@NBD_ATTR_SOCKETS={0x2c, 0x7, [{0x8, 0x1, r9}, {0x8, 0x1, r11}, {0x8, 0x1, r0}, {0x8}, {0x8, 0x1, r0}]}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}]}, 0x54}, 0x1, 0x0, 0x0, 0x80000c0}, 0x4000000) 10:47:11 executing program 1: r0 = perf_event_open(&(0x7f0000940000)={0x2, 0x70, 0xfffffffffffffffd, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}}, 0x0, 0x0, 0xffffffffffffffff, 0x0) mmap(&(0x7f00004da000/0x1000)=nil, 0x1000, 0x0, 0x4000012, r0, 0x0) mincore(&(0x7f00003fa000/0x200000)=nil, 0x200196, &(0x7f0000000000)=""/222) 10:47:11 executing program 5: r0 = socket$kcm(0x10, 0x2, 0x10) sendmsg$kcm(r0, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000040)=[{&(0x7f0000000300)="1400000013000507ed008064b6ed9a9fc6000080", 0x14}], 0x1}, 0x0) 10:47:12 executing program 4: r0 = socket$kcm(0x2b, 0x8000000000001, 0x0) ioctl$PERF_EVENT_IOC_ENABLE(r0, 0x8912, 0x400200) r1 = socket$inet6(0xa, 0x3, 0x6) setsockopt$inet6_IPV6_FLOWLABEL_MGR(r1, 0x29, 0x20, &(0x7f0000000300)={@mcast2, 0x10000, 0x0, 0x102, 0x8000003}, 0x4e) 10:47:12 executing program 3: mknod(&(0x7f0000000040)='./bus\x00', 0x2000000000001003, 0x0) r0 = open(&(0x7f0000000100)='./bus\x00', 0x20000000000b04, 0x0) r1 = epoll_create(0x7) epoll_ctl$EPOLL_CTL_ADD(r1, 0x1, r0, &(0x7f00000001c0)) r2 = socket$kcm(0x2b, 0x8000000000001, 0x0) ioctl$PERF_EVENT_IOC_ENABLE(r2, 0x8912, 0x400200) r3 = openat$vcs(0xffffffffffffff9c, &(0x7f0000000000)='/dev/vcs\x00', 0x0, 0x0) r4 = socket$nl_generic(0x10, 0x3, 0x10) poll(&(0x7f0000000040)=[{r3}, {r2}, {r4}], 0x3, 0x6) r5 = socket(0x2000000000000021, 0x2, 0x10000000000002) connect$rxrpc(r5, &(0x7f0000000140)=@in4={0x21, 0x0, 0x2, 0x10, {0x2, 0x0, @rand_addr=0xdd}}, 0x24) sendmmsg(r5, &(0x7f0000005c00)=[{{0x0, 0xfffffffffffffd95, 0x0, 0x0, &(0x7f0000000000)=ANY=[@ANYBLOB="18000800000000001001000001000000ec00000000000000"], 0x18}}], 0x1, 0x0) r6 = socket$inet6(0xa, 0x3, 0x6) mmap(&(0x7f0000ffd000/0x2000)=nil, 0x2000, 0x8, 0x810, r6, 0x0) setsockopt$inet6_IPV6_FLOWLABEL_MGR(r6, 0x29, 0x20, &(0x7f0000000080)={@loopback, 0x800, 0x0, 0x100000003, 0x1, 0x0, 0x0, 0x400000000}, 0x20) setsockopt$inet6_IPV6_FLOWLABEL_MGR(r6, 0x29, 0x20, &(0x7f0000000300)={@mcast2, 0x10000, 0x0, 0x102, 0x8000003}, 0x20) setsockopt$inet6_IPV6_FLOWLABEL_MGR(r6, 0x29, 0x20, &(0x7f0000000040)={@loopback, 0x0, 0x0, 0x1}, 0x20) connect$inet6(r6, &(0x7f0000000500)={0xa, 0x0, 0x40f7, @mcast2, 0x7ff}, 0x9) r7 = syz_open_procfs(0x0, &(0x7f0000000600)='net/ip6_flowlabel\x00n\xc01\x14\x894X\xed\xc1\xc9\xd8\xdcK\r\x8d\xae\x98&@\xd0\xe6\xbbQ\xd7\xffYn\x1c\x92\xde\x0e\xaa1\x91\x98\xe9\x1f\nMCi|+\xcdw\xf0\x176Z\xf1`\xac\xf3;\xd6d2\xeb\xe5\f\x0e\x8b\xda\xf7\xfc9\xfe\xff4\xef\'\xa19q\x93\"\x7fG3\xc1E\xe6e6\xc6\xc2u\x11% \xe7+0\x97\x84;\\\xda\xc4\x80\xc3\xb18N\xbfY%\x05\xf8\x85\x89\xfc\xd2\xd7') sendfile(r6, r7, &(0x7f0000000240)=0x202, 0x4000000000dc) r8 = syz_genetlink_get_family_id$nbd(&(0x7f0000000140)='nbd\x00') ioctl$KVM_S390_UCAS_UNMAP(r7, 0x4018ae51, &(0x7f00000000c0)={0x8000, 0x7ff, 0x2}) sendmsg$NBD_CMD_RECONFIGURE(r7, &(0x7f0000000200)={&(0x7f0000000100)={0x10, 0x0, 0x0, 0x80}, 0xc, &(0x7f00000001c0)={&(0x7f0000000180)={0x1ce, r8, 0xc05, 0x70bd29, 0x25dfdbff}, 0x14}, 0x1, 0x0, 0x0, 0x4}, 0x84) sendmsg$NBD_CMD_STATUS(r5, &(0x7f00000002c0)={&(0x7f0000000180)={0x10, 0x0, 0x0, 0x1000000}, 0xc, &(0x7f0000000280)={&(0x7f00000001c0)={0x28, r8, 0x10, 0x70bd25, 0x25dfdbfb, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x5}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x28}, 0x1, 0x0, 0x0, 0x8b29ba74f3c49941}, 0x4044) r9 = openat$audio(0xffffffffffffff9c, &(0x7f0000003500)='/dev/audio\x00', 0x200000, 0x0) r10 = socket$kcm(0x2b, 0x8000000000001, 0x0) ioctl$PERF_EVENT_IOC_ENABLE(r10, 0x8912, 0x400200) r11 = openat$vcs(0xffffffffffffff9c, &(0x7f0000000000)='/dev/vcs\x00', 0x0, 0x0) r12 = socket$nl_generic(0x10, 0x3, 0x10) poll(&(0x7f0000000040)=[{r11}, {r10}, {r12}], 0x3, 0x6) sendmsg$NBD_CMD_CONNECT(r3, &(0x7f0000003600)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x80}, 0xc, &(0x7f00000035c0)={&(0x7f0000003540)={0x54, r8, 0x300, 0x70bd2b, 0x25dfdbfe, {}, [@NBD_ATTR_SOCKETS={0x2c, 0x7, [{0x8, 0x1, r9}, {0x8, 0x1, r11}, {0x8, 0x1, r0}, {0x8}, {0x8, 0x1, r0}]}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}]}, 0x54}, 0x1, 0x0, 0x0, 0x80000c0}, 0x4000000) 10:47:12 executing program 5: r0 = syz_genetlink_get_family_id$net_dm(&(0x7f0000000100)='NET_DM\x00') sendmsg$NET_DM_CMD_START(0xffffffffffffffff, &(0x7f00000001c0)={&(0x7f00000000c0)={0x10, 0x0, 0x0, 0x800400}, 0xc, &(0x7f0000000180)={&(0x7f0000000140)={0x14, r0, 0x800, 0x70bd28, 0x25dfdbfc, {}, ["", ""]}, 0x14}, 0x1, 0x0, 0x0, 0x3362afacf9935619}, 0x80000) ioctl$sock_SIOCADDDLCI(0xffffffffffffffff, 0x8980, &(0x7f0000000080)={'bcsf0\x00', 0xc57d}) ioctl$VT_RESIZEX(0xffffffffffffffff, 0x560a, &(0x7f0000000000)={0x6, 0x0, 0x100, 0x3, 0x78d, 0x1}) sendmsg$kcm(0xffffffffffffffff, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000040)=[{&(0x7f0000000300)="1400000013000507ed008064d20010002e000080", 0x14}], 0x1}, 0x0) 10:47:12 executing program 4: r0 = socket$kcm(0x2b, 0x8000000000001, 0x0) ioctl$PERF_EVENT_IOC_ENABLE(r0, 0x8912, 0x400200) r1 = socket$inet6(0xa, 0x3, 0x6) setsockopt$inet6_IPV6_FLOWLABEL_MGR(r1, 0x29, 0x20, &(0x7f0000000300)={@mcast2, 0x10000, 0x0, 0x102, 0x8000003}, 0x20000320) 10:47:12 executing program 1: r0 = perf_event_open(&(0x7f0000940000)={0x2, 0x70, 0xfffffffffffffffd, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}}, 0x0, 0x0, 0xffffffffffffffff, 0x0) mmap(&(0x7f00004da000/0x1000)=nil, 0x1000, 0x0, 0x4000012, r0, 0x0) mincore(&(0x7f00003fa000/0x200000)=nil, 0x200197, &(0x7f0000000000)=""/222) 10:47:12 executing program 5: r0 = syz_open_dev$midi(&(0x7f0000000a00)='/dev/midi#\x00', 0x1, 0x28c3c0) getsockopt$inet6_IPV6_IPSEC_POLICY(r0, 0x29, 0x22, &(0x7f0000000840)={{{@in, @in6=@mcast1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0}}, {{@in6=@loopback}, 0x0, @in6}}, &(0x7f00000009c0)=0xc0) fstat(0xffffffffffffffff, &(0x7f0000000340)={0x0, 0x0, 0x0, 0x0, 0x0}) r3 = openat$random(0xffffffffffffff9c, &(0x7f0000000140)='/dev/urandom\x00', 0x88240, 0x0) fsetxattr(r3, &(0x7f0000000180)=@random={'security.', '\x00'}, &(0x7f00000001c0)='/dev/dmmidi#\x00', 0xd, 0x1) r4 = socket$inet_udplite(0x2, 0x2, 0x88) r5 = syz_open_dev$dmmidi(&(0x7f0000000500)='/dev/dmmidi#\x00', 0xb1, 0x20000) getsockopt$inet_sctp6_SCTP_I_WANT_MAPPED_V4_ADDR(r5, 0x84, 0xc, &(0x7f0000000540), &(0x7f0000000580)=0x4) mkdir(&(0x7f0000000100)='./file0\x00', 0xa) getsockopt$sock_cred(r4, 0x1, 0x11, &(0x7f0000000240)={0x0, 0x0}, &(0x7f0000000280)=0x5) setuid(r6) getsockopt$inet_IP_IPSEC_POLICY(0xffffffffffffffff, 0x0, 0x10, &(0x7f0000000a40)={{{@in=@multicast2, @in6=@local, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0}}, {{@in6}, 0x0, @in=@dev}}, &(0x7f0000000240)=0xe8) mount$9p_rdma(&(0x7f0000000000)='127.0.0.1\x00', &(0x7f0000000080)='./file0\x00', &(0x7f00000000c0)='9p\x00', 0x840000, &(0x7f0000000680)=ANY=[@ANYBLOB='trans=rdma,port=0x0000000000004e22,sq=0x0000000000000020,access=', @ANYRESDEC=r1, @ANYBLOB=',sq=0x0000000000000007,sq=0x0000000000005054,dfltuid=', @ANYRESHEX=r2, @ANYBLOB=',sq=0x0000000000000008,mask=MAY_WRITE,appraise_type=imasig,obj_type=vboxnet1,fsmagic=0x0000000000000007,audit,context=unconfined_u,fowner<', @ANYRESDEC=r6, @ANYBLOB="2c666f77f695bc2da66e723e3c3370bafd671d8c8b5003de8f9f34f3538ce4e312524a0448affc5cd007f2108248d482694eb74d234fa2ac0dfa4ce343349067af1a8654f1098c559932fa4c44b2922748b1f64525ba7596171998cc59b4d3", @ANYRESDEC=r7, @ANYBLOB=',\x00']) r8 = openat$proc_capi20ncci(0xffffffffffffff9c, &(0x7f00000002c0)='/proc/capi/capi20ncci\x00', 0xa040, 0x0) setsockopt$inet_sctp6_SCTP_AUTH_ACTIVE_KEY(r8, 0x84, 0x18, &(0x7f00000004c0)={0x0, 0x1}, 0x8) r9 = openat$ipvs(0xffffffffffffff9c, &(0x7f0000000200)='/proc/sys/net/ipv4/vs/sync_ports\x00', 0x2, 0x0) getpeername$netrom(r9, &(0x7f0000000940)={{0x3, @default}, [@remote, @default, @netrom, @rose, @null, @null, @default, @default]}, &(0x7f0000000640)=0x48) r10 = socket$kcm(0x10, 0x2, 0x10) r11 = openat$audio(0xffffffffffffff9c, &(0x7f00000003c0)='/dev/audio\x00', 0x61241, 0x0) mmap$IORING_OFF_CQ_RING(&(0x7f0000ffb000/0x2000)=nil, 0x2000, 0x2, 0x20011, r11, 0x8000000) sendmsg$kcm(r10, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000040)=[{&(0x7f0000000300)="1400000013000507ed008064d20010002e000080", 0x14}], 0x1}, 0x0) prctl$PR_SET_FPEXC(0xc, 0x1) ioctl$sock_inet_SIOCGIFDSTADDR(r4, 0x8917, &(0x7f00000005c0)={'\x00', {0x2, 0x4e20, @rand_addr=0x85}}) 10:47:12 executing program 3: mknod(&(0x7f0000000040)='./bus\x00', 0x2000000000001003, 0x0) r0 = open(&(0x7f0000000100)='./bus\x00', 0x20000000000b04, 0x0) r1 = epoll_create(0x7) epoll_ctl$EPOLL_CTL_ADD(r1, 0x1, r0, &(0x7f00000001c0)) r2 = socket$kcm(0x2b, 0x8000000000001, 0x0) ioctl$PERF_EVENT_IOC_ENABLE(r2, 0x8912, 0x400200) r3 = openat$vcs(0xffffffffffffff9c, &(0x7f0000000000)='/dev/vcs\x00', 0x0, 0x0) r4 = socket$nl_generic(0x10, 0x3, 0x10) poll(&(0x7f0000000040)=[{r3}, {r2}, {r4}], 0x3, 0x6) r5 = socket(0x2000000000000021, 0x2, 0x10000000000002) connect$rxrpc(r5, &(0x7f0000000140)=@in4={0x21, 0x0, 0x2, 0x10, {0x2, 0x0, @rand_addr=0xdd}}, 0x24) sendmmsg(r5, &(0x7f0000005c00)=[{{0x0, 0xfffffffffffffd95, 0x0, 0x0, &(0x7f0000000000)=ANY=[@ANYBLOB="18000800000000001001000001000000ec00000000000000"], 0x18}}], 0x1, 0x0) r6 = socket$inet6(0xa, 0x3, 0x6) mmap(&(0x7f0000ffd000/0x2000)=nil, 0x2000, 0x8, 0x810, r6, 0x0) setsockopt$inet6_IPV6_FLOWLABEL_MGR(r6, 0x29, 0x20, &(0x7f0000000080)={@loopback, 0x800, 0x0, 0x100000003, 0x1, 0x0, 0x0, 0x400000000}, 0x20) setsockopt$inet6_IPV6_FLOWLABEL_MGR(r6, 0x29, 0x20, &(0x7f0000000300)={@mcast2, 0x10000, 0x0, 0x102, 0x8000003}, 0x20) setsockopt$inet6_IPV6_FLOWLABEL_MGR(r6, 0x29, 0x20, &(0x7f0000000040)={@loopback, 0x0, 0x0, 0x1, 0x3}, 0x20) connect$inet6(0xffffffffffffffff, &(0x7f0000000500)={0xa, 0x0, 0x40f7, @mcast2, 0x7ff}, 0x9) r7 = syz_open_procfs(0x0, &(0x7f0000000600)='net/ip6_flowlabel\x00n\xc01\x14\x894X\xed\xc1\xc9\xd8\xdcK\r\x8d\xae\x98&@\xd0\xe6\xbbQ\xd7\xffYn\x1c\x92\xde\x0e\xaa1\x91\x98\xe9\x1f\nMCi|+\xcdw\xf0\x176Z\xf1`\xac\xf3;\xd6d2\xeb\xe5\f\x0e\x8b\xda\xf7\xfc9\xfe\xff4\xef\'\xa19q\x93\"\x7fG3\xc1E\xe6e6\xc6\xc2u\x11% \xe7+0\x97\x84;\\\xda\xc4\x80\xc3\xb18N\xbfY%\x05\xf8\x85\x89\xfc\xd2\xd7') sendfile(r6, r7, &(0x7f0000000240)=0x202, 0x4000000000dc) r8 = syz_genetlink_get_family_id$nbd(&(0x7f0000000140)='nbd\x00') ioctl$KVM_S390_UCAS_UNMAP(r7, 0x4018ae51, &(0x7f00000000c0)={0x8000, 0x7ff, 0x2}) sendmsg$NBD_CMD_RECONFIGURE(r7, &(0x7f0000000200)={&(0x7f0000000100)={0x10, 0x0, 0x0, 0x80}, 0xc, &(0x7f00000001c0)={&(0x7f0000000180)={0x1ce, r8, 0xc05, 0x70bd29, 0x25dfdbff}, 0x14}, 0x1, 0x0, 0x0, 0x4}, 0x84) sendmsg$NBD_CMD_STATUS(r5, &(0x7f00000002c0)={&(0x7f0000000180)={0x10, 0x0, 0x0, 0x1000000}, 0xc, &(0x7f0000000280)={&(0x7f00000001c0)={0x28, r8, 0x10, 0x70bd25, 0x25dfdbfb, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x5}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x28}, 0x1, 0x0, 0x0, 0x8b29ba74f3c49941}, 0x4044) r9 = openat$audio(0xffffffffffffff9c, &(0x7f0000003500)='/dev/audio\x00', 0x200000, 0x0) r10 = socket$kcm(0x2b, 0x8000000000001, 0x0) ioctl$PERF_EVENT_IOC_ENABLE(r10, 0x8912, 0x400200) r11 = openat$vcs(0xffffffffffffff9c, &(0x7f0000000000)='/dev/vcs\x00', 0x0, 0x0) r12 = socket$nl_generic(0x10, 0x3, 0x10) poll(&(0x7f0000000040)=[{r11}, {r10}, {r12}], 0x3, 0x6) sendmsg$NBD_CMD_CONNECT(r3, &(0x7f0000003600)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x80}, 0xc, &(0x7f00000035c0)={&(0x7f0000003540)={0x54, r8, 0x300, 0x70bd2b, 0x25dfdbfe, {}, [@NBD_ATTR_SOCKETS={0x2c, 0x7, [{0x8, 0x1, r9}, {0x8, 0x1, r11}, {0x8, 0x1, r0}, {0x8}, {0x8, 0x1, r0}]}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}]}, 0x54}, 0x1, 0x0, 0x0, 0x80000c0}, 0x4000000) 10:47:12 executing program 4: r0 = socket$kcm(0x2b, 0x8000000000001, 0x0) ioctl$PERF_EVENT_IOC_ENABLE(r0, 0x8912, 0x400200) r1 = socket$inet6(0xa, 0x3, 0x6) setsockopt$inet6_IPV6_FLOWLABEL_MGR(r1, 0x29, 0x20, &(0x7f0000000300)={@mcast2, 0x10000, 0x0, 0x102, 0x8000003}, 0x20) arch_prctl$ARCH_SET_CPUID(0x1012, 0x0) 10:47:12 executing program 5: ioctl$VIDIOC_LOG_STATUS(0xffffffffffffffff, 0x5646, 0x0) r0 = socket$kcm(0x2b, 0x8000000000001, 0x0) ioctl$PERF_EVENT_IOC_ENABLE(r0, 0x8912, 0x400200) r1 = openat$vcs(0xffffffffffffff9c, &(0x7f0000000000)='/dev/vcs\x00', 0x0, 0x0) r2 = socket$nl_generic(0x10, 0x3, 0x10) poll(&(0x7f0000000040)=[{r1}, {r0}, {r2}], 0x3, 0x6) ioctl$TIOCMSET(r1, 0x5418, &(0x7f0000000000)=0x100) r3 = socket$kcm(0x10, 0x2, 0x10) sendmsg$kcm(r3, &(0x7f0000000280)={0x0, 0x32e, &(0x7f0000000040)=[{&(0x7f0000000300)="1400000013000507ed008064d20010002e000080", 0x14}], 0x1}, 0x0) 10:47:12 executing program 1: r0 = perf_event_open(&(0x7f0000940000)={0x2, 0x70, 0xfffffffffffffffd, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}}, 0x0, 0x0, 0xffffffffffffffff, 0x0) mmap(&(0x7f00004da000/0x1000)=nil, 0x1000, 0x0, 0x4000012, r0, 0x0) mincore(&(0x7f00003fa000/0x200000)=nil, 0x200198, &(0x7f0000000000)=""/222) 10:47:12 executing program 4: r0 = socket$kcm(0x2b, 0x8000000000001, 0x0) ioctl$PERF_EVENT_IOC_ENABLE(r0, 0x8912, 0x400200) setsockopt$inet6_IPV6_FLOWLABEL_MGR(0xffffffffffffffff, 0x29, 0x20, &(0x7f0000000300)={@mcast2, 0x10000, 0x0, 0x102, 0x8000003}, 0x20) 10:47:12 executing program 3: mknod(&(0x7f0000000040)='./bus\x00', 0x2000000000001003, 0x0) r0 = open(&(0x7f0000000100)='./bus\x00', 0x20000000000b04, 0x0) r1 = epoll_create(0x7) epoll_ctl$EPOLL_CTL_ADD(r1, 0x1, r0, &(0x7f00000001c0)) r2 = socket$kcm(0x2b, 0x8000000000001, 0x0) ioctl$PERF_EVENT_IOC_ENABLE(r2, 0x8912, 0x400200) r3 = openat$vcs(0xffffffffffffff9c, &(0x7f0000000000)='/dev/vcs\x00', 0x0, 0x0) r4 = socket$nl_generic(0x10, 0x3, 0x10) poll(&(0x7f0000000040)=[{r3}, {r2}, {r4}], 0x3, 0x6) r5 = socket(0x2000000000000021, 0x2, 0x10000000000002) connect$rxrpc(r5, &(0x7f0000000140)=@in4={0x21, 0x0, 0x2, 0x10, {0x2, 0x0, @rand_addr=0xdd}}, 0x24) sendmmsg(r5, &(0x7f0000005c00)=[{{0x0, 0xfffffffffffffd95, 0x0, 0x0, &(0x7f0000000000)=ANY=[@ANYBLOB="18000800000000001001000001000000ec00000000000000"], 0x18}}], 0x1, 0x0) r6 = socket$inet6(0xa, 0x3, 0x6) mmap(&(0x7f0000ffd000/0x2000)=nil, 0x2000, 0x8, 0x810, r6, 0x0) setsockopt$inet6_IPV6_FLOWLABEL_MGR(r6, 0x29, 0x20, &(0x7f0000000080)={@loopback, 0x800, 0x0, 0x100000003, 0x1, 0x0, 0x0, 0x400000000}, 0x20) setsockopt$inet6_IPV6_FLOWLABEL_MGR(r6, 0x29, 0x20, &(0x7f0000000300)={@mcast2, 0x10000, 0x0, 0x102, 0x8000003}, 0x20) setsockopt$inet6_IPV6_FLOWLABEL_MGR(r6, 0x29, 0x20, &(0x7f0000000040)={@loopback, 0x0, 0x0, 0x1, 0x3}, 0x20) connect$inet6(0xffffffffffffffff, &(0x7f0000000500)={0xa, 0x0, 0x40f7, @mcast2, 0x7ff}, 0x9) r7 = syz_open_procfs(0x0, &(0x7f0000000600)='net/ip6_flowlabel\x00n\xc01\x14\x894X\xed\xc1\xc9\xd8\xdcK\r\x8d\xae\x98&@\xd0\xe6\xbbQ\xd7\xffYn\x1c\x92\xde\x0e\xaa1\x91\x98\xe9\x1f\nMCi|+\xcdw\xf0\x176Z\xf1`\xac\xf3;\xd6d2\xeb\xe5\f\x0e\x8b\xda\xf7\xfc9\xfe\xff4\xef\'\xa19q\x93\"\x7fG3\xc1E\xe6e6\xc6\xc2u\x11% \xe7+0\x97\x84;\\\xda\xc4\x80\xc3\xb18N\xbfY%\x05\xf8\x85\x89\xfc\xd2\xd7') sendfile(r6, r7, &(0x7f0000000240)=0x202, 0x4000000000dc) r8 = syz_genetlink_get_family_id$nbd(&(0x7f0000000140)='nbd\x00') ioctl$KVM_S390_UCAS_UNMAP(r7, 0x4018ae51, &(0x7f00000000c0)={0x8000, 0x7ff, 0x2}) sendmsg$NBD_CMD_RECONFIGURE(r7, &(0x7f0000000200)={&(0x7f0000000100)={0x10, 0x0, 0x0, 0x80}, 0xc, &(0x7f00000001c0)={&(0x7f0000000180)={0x1ce, r8, 0xc05, 0x70bd29, 0x25dfdbff}, 0x14}, 0x1, 0x0, 0x0, 0x4}, 0x84) sendmsg$NBD_CMD_STATUS(r5, &(0x7f00000002c0)={&(0x7f0000000180)={0x10, 0x0, 0x0, 0x1000000}, 0xc, &(0x7f0000000280)={&(0x7f00000001c0)={0x28, r8, 0x10, 0x70bd25, 0x25dfdbfb, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x5}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x28}, 0x1, 0x0, 0x0, 0x8b29ba74f3c49941}, 0x4044) r9 = openat$audio(0xffffffffffffff9c, &(0x7f0000003500)='/dev/audio\x00', 0x200000, 0x0) r10 = socket$kcm(0x2b, 0x8000000000001, 0x0) ioctl$PERF_EVENT_IOC_ENABLE(r10, 0x8912, 0x400200) r11 = openat$vcs(0xffffffffffffff9c, &(0x7f0000000000)='/dev/vcs\x00', 0x0, 0x0) r12 = socket$nl_generic(0x10, 0x3, 0x10) poll(&(0x7f0000000040)=[{r11}, {r10}, {r12}], 0x3, 0x6) sendmsg$NBD_CMD_CONNECT(r3, &(0x7f0000003600)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x80}, 0xc, &(0x7f00000035c0)={&(0x7f0000003540)={0x54, r8, 0x300, 0x70bd2b, 0x25dfdbfe, {}, [@NBD_ATTR_SOCKETS={0x2c, 0x7, [{0x8, 0x1, r9}, {0x8, 0x1, r11}, {0x8, 0x1, r0}, {0x8}, {0x8, 0x1, r0}]}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}]}, 0x54}, 0x1, 0x0, 0x0, 0x80000c0}, 0x4000000) 10:47:12 executing program 5: r0 = socket$kcm(0x10, 0x0, 0x10) sendmsg$kcm(r0, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000040)=[{&(0x7f0000000300)="1400000013000507ed008064d20010002e000080", 0x14}], 0x1}, 0x0) socket$kcm(0x29, 0x5, 0x0) 10:47:12 executing program 1: r0 = perf_event_open(&(0x7f0000940000)={0x2, 0x70, 0xfffffffffffffffd, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}}, 0x0, 0x0, 0xffffffffffffffff, 0x0) mmap(&(0x7f00004da000/0x1000)=nil, 0x1000, 0x0, 0x4000012, r0, 0x0) mincore(&(0x7f00003fa000/0x200000)=nil, 0x200199, &(0x7f0000000000)=""/222) 10:47:12 executing program 4: r0 = socket$kcm(0x2b, 0x8000000000001, 0x0) ioctl$PERF_EVENT_IOC_ENABLE(r0, 0x8912, 0x400200) r1 = socket$kcm(0x2b, 0x8000000000001, 0x0) ioctl$PERF_EVENT_IOC_ENABLE(r1, 0x8912, 0x400200) r2 = openat$vcs(0xffffffffffffff9c, &(0x7f0000000000)='/dev/vcs\x00', 0x0, 0x0) r3 = socket$nl_generic(0x10, 0x3, 0x10) poll(&(0x7f0000000040)=[{r2}, {r1}, {r3}], 0x3, 0x6) r4 = socket$inet6_dccp(0xa, 0x6, 0x0) getsockopt$inet6_int(r4, 0x29, 0x3c, 0x0, &(0x7f00000015c0)) epoll_ctl$EPOLL_CTL_DEL(r2, 0x2, r4) r5 = socket$inet6(0xa, 0x3, 0x6) setsockopt$inet6_IPV6_FLOWLABEL_MGR(r5, 0x29, 0x20, &(0x7f0000000300)={@mcast2, 0x10000, 0x0, 0x102, 0x8000003}, 0x20) 10:47:13 executing program 5: r0 = socket$kcm(0x10, 0x2, 0x10) sendmsg$kcm(r0, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000040)=[{&(0x7f0000000300)="1400000013000507ed008064d20010002e000080", 0x14}], 0x1}, 0x0) r1 = socket$kcm(0x2b, 0x8000000000001, 0x0) ioctl$PERF_EVENT_IOC_ENABLE(r1, 0x8912, 0x400200) r2 = openat$vcs(0xffffffffffffff9c, &(0x7f0000000000)='/dev/vcs\x00', 0x0, 0x0) r3 = socket$nl_generic(0x10, 0x3, 0x10) r4 = socket$inet6_dccp(0xa, 0x6, 0x0) getsockopt$inet6_int(r4, 0x29, 0x3c, 0x0, &(0x7f00000015c0)) write$binfmt_elf64(r4, &(0x7f00000005c0)={{0x7f, 0x45, 0x4c, 0x46, 0x4, 0x3f, 0x1, 0x59, 0x2, 0x2, 0x3, 0x5, 0x103, 0x40, 0x96, 0x7fffffff, 0x4, 0x38, 0x2, 0x0, 0x6, 0x9}, [{0x0, 0x8000, 0x1, 0x7fff, 0xfa92, 0x9, 0x3, 0xc49}], "b1e1de48bdfd728e080056baec8c06b4a15304a2a3f65db57585f8f7fa808b71a6ca8796bde87b3b44d51973aeff8d87fa417484e739769c130de45c7c99a64d93dae59d121d752c05a0f7f17317d0c25571da06c705f338095d02ef8d17d8c7858ac9585b5f58a244b6290f1e113dbc72fa4f0761fc885e67f38264d87ee86fcbc7eaf1704e5fdf07f22bed00ac046d5a0fc2d897d731510fc058dfc454c03420366557766e81cc6d4ed8c41e30e5b3bf", [[], [], [], []]}, 0x529) r5 = openat$sequencer2(0xffffffffffffff9c, &(0x7f00000000c0)='/\x01qv\x11sequencer2\x00', 0x40, 0x0) r6 = socket$kcm(0x2b, 0x8000000000001, 0x0) ioctl$PERF_EVENT_IOC_ENABLE(r6, 0x8912, 0x400200) r7 = openat$vcs(0xffffffffffffff9c, &(0x7f0000000000)='/dev/vcs\x00', 0x0, 0x0) r8 = socket$nl_generic(0x10, 0x3, 0x10) poll(&(0x7f0000000040)=[{r7}, {r6}, {r8}], 0x3, 0x6) getsockname$packet(r7, &(0x7f0000000500)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @random}, &(0x7f0000000540)=0x14) ioctl$sock_SIOCGIFINDEX(r0, 0x8933, &(0x7f0000000580)={'bond_slave_1\x00', r9}) setsockopt$inet6_udp_encap(r5, 0x11, 0x64, &(0x7f0000000100)=0x5, 0x4) poll(&(0x7f0000000040)=[{r2}, {r1}, {r3}], 0x3, 0x6) getsockopt$inet_sctp_SCTP_RECVNXTINFO(r2, 0x84, 0x21, &(0x7f0000000000), &(0x7f0000000080)=0x4) r10 = socket$kcm(0x2b, 0x8000000000001, 0x0) ioctl$PERF_EVENT_IOC_ENABLE(r10, 0x8912, 0x400200) r11 = openat$vcs(0xffffffffffffff9c, &(0x7f0000000000)='/dev/vcs\x00', 0x0, 0x0) r12 = socket$nl_generic(0x10, 0x3, 0x10) poll(&(0x7f0000000040)=[{r11}, {r10}, {r12}], 0x3, 0x6) ioctl$ASHMEM_GET_NAME(r11, 0x81007702, &(0x7f0000000140)=""/197) 10:47:13 executing program 3: mknod(&(0x7f0000000040)='./bus\x00', 0x2000000000001003, 0x0) r0 = open(&(0x7f0000000100)='./bus\x00', 0x20000000000b04, 0x0) r1 = epoll_create(0x7) epoll_ctl$EPOLL_CTL_ADD(r1, 0x1, r0, &(0x7f00000001c0)) r2 = socket$kcm(0x2b, 0x8000000000001, 0x0) ioctl$PERF_EVENT_IOC_ENABLE(r2, 0x8912, 0x400200) r3 = openat$vcs(0xffffffffffffff9c, &(0x7f0000000000)='/dev/vcs\x00', 0x0, 0x0) r4 = socket$nl_generic(0x10, 0x3, 0x10) poll(&(0x7f0000000040)=[{r3}, {r2}, {r4}], 0x3, 0x6) r5 = socket(0x2000000000000021, 0x2, 0x10000000000002) connect$rxrpc(r5, &(0x7f0000000140)=@in4={0x21, 0x0, 0x2, 0x10, {0x2, 0x0, @rand_addr=0xdd}}, 0x24) sendmmsg(r5, &(0x7f0000005c00)=[{{0x0, 0xfffffffffffffd95, 0x0, 0x0, &(0x7f0000000000)=ANY=[@ANYBLOB="18000800000000001001000001000000ec00000000000000"], 0x18}}], 0x1, 0x0) r6 = socket$inet6(0xa, 0x3, 0x6) mmap(&(0x7f0000ffd000/0x2000)=nil, 0x2000, 0x8, 0x810, r6, 0x0) setsockopt$inet6_IPV6_FLOWLABEL_MGR(r6, 0x29, 0x20, &(0x7f0000000080)={@loopback, 0x800, 0x0, 0x100000003, 0x1, 0x0, 0x0, 0x400000000}, 0x20) setsockopt$inet6_IPV6_FLOWLABEL_MGR(r6, 0x29, 0x20, &(0x7f0000000300)={@mcast2, 0x10000, 0x0, 0x102, 0x8000003}, 0x20) setsockopt$inet6_IPV6_FLOWLABEL_MGR(r6, 0x29, 0x20, &(0x7f0000000040)={@loopback, 0x0, 0x0, 0x1, 0x3}, 0x20) connect$inet6(0xffffffffffffffff, &(0x7f0000000500)={0xa, 0x0, 0x40f7, @mcast2, 0x7ff}, 0x9) r7 = syz_open_procfs(0x0, &(0x7f0000000600)='net/ip6_flowlabel\x00n\xc01\x14\x894X\xed\xc1\xc9\xd8\xdcK\r\x8d\xae\x98&@\xd0\xe6\xbbQ\xd7\xffYn\x1c\x92\xde\x0e\xaa1\x91\x98\xe9\x1f\nMCi|+\xcdw\xf0\x176Z\xf1`\xac\xf3;\xd6d2\xeb\xe5\f\x0e\x8b\xda\xf7\xfc9\xfe\xff4\xef\'\xa19q\x93\"\x7fG3\xc1E\xe6e6\xc6\xc2u\x11% \xe7+0\x97\x84;\\\xda\xc4\x80\xc3\xb18N\xbfY%\x05\xf8\x85\x89\xfc\xd2\xd7') sendfile(r6, r7, &(0x7f0000000240)=0x202, 0x4000000000dc) r8 = syz_genetlink_get_family_id$nbd(&(0x7f0000000140)='nbd\x00') ioctl$KVM_S390_UCAS_UNMAP(r7, 0x4018ae51, &(0x7f00000000c0)={0x8000, 0x7ff, 0x2}) sendmsg$NBD_CMD_RECONFIGURE(r7, &(0x7f0000000200)={&(0x7f0000000100)={0x10, 0x0, 0x0, 0x80}, 0xc, &(0x7f00000001c0)={&(0x7f0000000180)={0x1ce, r8, 0xc05, 0x70bd29, 0x25dfdbff}, 0x14}, 0x1, 0x0, 0x0, 0x4}, 0x84) sendmsg$NBD_CMD_STATUS(r5, &(0x7f00000002c0)={&(0x7f0000000180)={0x10, 0x0, 0x0, 0x1000000}, 0xc, &(0x7f0000000280)={&(0x7f00000001c0)={0x28, r8, 0x10, 0x70bd25, 0x25dfdbfb, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x5}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x28}, 0x1, 0x0, 0x0, 0x8b29ba74f3c49941}, 0x4044) r9 = openat$audio(0xffffffffffffff9c, &(0x7f0000003500)='/dev/audio\x00', 0x200000, 0x0) r10 = socket$kcm(0x2b, 0x8000000000001, 0x0) ioctl$PERF_EVENT_IOC_ENABLE(r10, 0x8912, 0x400200) r11 = openat$vcs(0xffffffffffffff9c, &(0x7f0000000000)='/dev/vcs\x00', 0x0, 0x0) r12 = socket$nl_generic(0x10, 0x3, 0x10) poll(&(0x7f0000000040)=[{r11}, {r10}, {r12}], 0x3, 0x6) sendmsg$NBD_CMD_CONNECT(r3, &(0x7f0000003600)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x80}, 0xc, &(0x7f00000035c0)={&(0x7f0000003540)={0x54, r8, 0x300, 0x70bd2b, 0x25dfdbfe, {}, [@NBD_ATTR_SOCKETS={0x2c, 0x7, [{0x8, 0x1, r9}, {0x8, 0x1, r11}, {0x8, 0x1, r0}, {0x8}, {0x8, 0x1, r0}]}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}]}, 0x54}, 0x1, 0x0, 0x0, 0x80000c0}, 0x4000000) 10:47:13 executing program 4: r0 = socket$kcm(0x2b, 0x8000000000001, 0x0) ioctl$PERF_EVENT_IOC_ENABLE(r0, 0x8912, 0x400200) r1 = socket$inet6(0xa, 0x3, 0x6) setsockopt$inet6_IPV6_FLOWLABEL_MGR(r1, 0x29, 0x20, &(0x7f0000000300)={@mcast2, 0x10000, 0x0, 0x102, 0x8000003}, 0x20) r2 = socket$inet6_dccp(0xa, 0x6, 0x0) getsockopt$inet6_int(r2, 0x29, 0x3c, 0x0, &(0x7f00000015c0)) listen(r2, 0x5) 10:47:13 executing program 1: r0 = perf_event_open(&(0x7f0000940000)={0x2, 0x70, 0xfffffffffffffffd, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}}, 0x0, 0x0, 0xffffffffffffffff, 0x0) mmap(&(0x7f00004da000/0x1000)=nil, 0x1000, 0x0, 0x4000012, r0, 0x0) mincore(&(0x7f00003fa000/0x200000)=nil, 0x20019a, &(0x7f0000000000)=""/222) 10:47:13 executing program 3: mknod(&(0x7f0000000040)='./bus\x00', 0x2000000000001003, 0x0) r0 = open(&(0x7f0000000100)='./bus\x00', 0x20000000000b04, 0x0) r1 = epoll_create(0x7) epoll_ctl$EPOLL_CTL_ADD(r1, 0x1, r0, &(0x7f00000001c0)) r2 = socket$kcm(0x2b, 0x8000000000001, 0x0) ioctl$PERF_EVENT_IOC_ENABLE(r2, 0x8912, 0x400200) r3 = openat$vcs(0xffffffffffffff9c, &(0x7f0000000000)='/dev/vcs\x00', 0x0, 0x0) r4 = socket$nl_generic(0x10, 0x3, 0x10) poll(&(0x7f0000000040)=[{r3}, {r2}, {r4}], 0x3, 0x6) r5 = socket(0x2000000000000021, 0x2, 0x10000000000002) connect$rxrpc(r5, &(0x7f0000000140)=@in4={0x21, 0x0, 0x2, 0x10, {0x2, 0x0, @rand_addr=0xdd}}, 0x24) sendmmsg(r5, &(0x7f0000005c00)=[{{0x0, 0xfffffffffffffd95, 0x0, 0x0, &(0x7f0000000000)=ANY=[@ANYBLOB="18000800000000001001000001000000ec00000000000000"], 0x18}}], 0x1, 0x0) r6 = socket$inet6(0xa, 0x3, 0x6) mmap(&(0x7f0000ffd000/0x2000)=nil, 0x2000, 0x8, 0x810, r6, 0x0) setsockopt$inet6_IPV6_FLOWLABEL_MGR(r6, 0x29, 0x20, &(0x7f0000000080)={@loopback, 0x800, 0x0, 0x100000003, 0x1, 0x0, 0x0, 0x400000000}, 0x20) setsockopt$inet6_IPV6_FLOWLABEL_MGR(r6, 0x29, 0x20, &(0x7f0000000300)={@mcast2, 0x10000, 0x0, 0x102, 0x8000003}, 0x20) setsockopt$inet6_IPV6_FLOWLABEL_MGR(r6, 0x29, 0x20, &(0x7f0000000040)={@loopback, 0x0, 0x0, 0x1, 0x3}, 0x20) connect$inet6(r6, 0x0, 0x0) r7 = syz_open_procfs(0x0, &(0x7f0000000600)='net/ip6_flowlabel\x00n\xc01\x14\x894X\xed\xc1\xc9\xd8\xdcK\r\x8d\xae\x98&@\xd0\xe6\xbbQ\xd7\xffYn\x1c\x92\xde\x0e\xaa1\x91\x98\xe9\x1f\nMCi|+\xcdw\xf0\x176Z\xf1`\xac\xf3;\xd6d2\xeb\xe5\f\x0e\x8b\xda\xf7\xfc9\xfe\xff4\xef\'\xa19q\x93\"\x7fG3\xc1E\xe6e6\xc6\xc2u\x11% \xe7+0\x97\x84;\\\xda\xc4\x80\xc3\xb18N\xbfY%\x05\xf8\x85\x89\xfc\xd2\xd7') sendfile(r6, r7, &(0x7f0000000240)=0x202, 0x4000000000dc) r8 = syz_genetlink_get_family_id$nbd(&(0x7f0000000140)='nbd\x00') ioctl$KVM_S390_UCAS_UNMAP(r7, 0x4018ae51, &(0x7f00000000c0)={0x8000, 0x7ff, 0x2}) sendmsg$NBD_CMD_RECONFIGURE(r7, &(0x7f0000000200)={&(0x7f0000000100)={0x10, 0x0, 0x0, 0x80}, 0xc, &(0x7f00000001c0)={&(0x7f0000000180)={0x1ce, r8, 0xc05, 0x70bd29, 0x25dfdbff}, 0x14}, 0x1, 0x0, 0x0, 0x4}, 0x84) sendmsg$NBD_CMD_STATUS(r5, &(0x7f00000002c0)={&(0x7f0000000180)={0x10, 0x0, 0x0, 0x1000000}, 0xc, &(0x7f0000000280)={&(0x7f00000001c0)={0x28, r8, 0x10, 0x70bd25, 0x25dfdbfb, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x5}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x28}, 0x1, 0x0, 0x0, 0x8b29ba74f3c49941}, 0x4044) r9 = openat$audio(0xffffffffffffff9c, &(0x7f0000003500)='/dev/audio\x00', 0x200000, 0x0) r10 = socket$kcm(0x2b, 0x8000000000001, 0x0) ioctl$PERF_EVENT_IOC_ENABLE(r10, 0x8912, 0x400200) r11 = openat$vcs(0xffffffffffffff9c, &(0x7f0000000000)='/dev/vcs\x00', 0x0, 0x0) r12 = socket$nl_generic(0x10, 0x3, 0x10) poll(&(0x7f0000000040)=[{r11}, {r10}, {r12}], 0x3, 0x6) sendmsg$NBD_CMD_CONNECT(r3, &(0x7f0000003600)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x80}, 0xc, &(0x7f00000035c0)={&(0x7f0000003540)={0x54, r8, 0x300, 0x70bd2b, 0x25dfdbfe, {}, [@NBD_ATTR_SOCKETS={0x2c, 0x7, [{0x8, 0x1, r9}, {0x8, 0x1, r11}, {0x8, 0x1, r0}, {0x8}, {0x8, 0x1, r0}]}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}]}, 0x54}, 0x1, 0x0, 0x0, 0x80000c0}, 0x4000000) 10:47:13 executing program 5: r0 = socket$kcm(0x10, 0x2, 0x10) syz_emit_ethernet(0xf6, &(0x7f0000000080)={@dev={[], 0xb}, @link_local, [{[], {0x8100, 0x3, 0x1, 0x6}}], {@generic={0x4305, "34dd1d8928b4df8c11e262305d181f7edc7f677b6d3953cff24cd3630be0650425cafb078f9cf3fa0de364c38d7b027dab0d61211ad382ad77d5ae646e84faf12255a7ac18ff41b115a757de809627abcbab421ff77a78a2a1ab1aa6ceb5cc885a49439dbb00de8f9194bcfa7146b16da19a57c4a1cfaf5adc3ea7d58f89fb4087d18860b33a789c6a03b554d4345b33a579d35845b493ff0edba6176827c4f1a92ec958df92249194900802ba9446fa1c392ef879deeb139be91d65bc3dc51de387a8037529f2a80412b325dbb265ef04cc830e62fe16c831ebf4d6c0ddb1781b872817"}}}, &(0x7f0000000000)={0x0, 0x2, [0xf70, 0x301, 0x287, 0xda8]}) sendmsg$kcm(r0, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000040)=[{&(0x7f0000000300)="1400000013000507ed008064d20010002e000080", 0x14}], 0x1}, 0x0) 10:47:13 executing program 4: r0 = socket$kcm(0x2b, 0x8000000000001, 0x0) ioctl$PERF_EVENT_IOC_ENABLE(r0, 0x8912, 0x400200) r1 = socket$inet6(0xa, 0x3, 0x6) setsockopt$inet6_IPV6_FLOWLABEL_MGR(r1, 0x29, 0x20, &(0x7f0000000300)={@mcast2, 0xfff, 0x0, 0x2, 0x8000003}, 0x20) 10:47:13 executing program 1: r0 = perf_event_open(&(0x7f0000940000)={0x2, 0x70, 0xfffffffffffffffd, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}}, 0x0, 0x0, 0xffffffffffffffff, 0x0) mmap(&(0x7f00004da000/0x1000)=nil, 0x1000, 0x0, 0x4000012, r0, 0x0) mincore(&(0x7f00003fa000/0x200000)=nil, 0x20019b, &(0x7f0000000000)=""/222) 10:47:13 executing program 5: r0 = openat$proc_capi20(0xffffffffffffff9c, &(0x7f0000000080)='/proc/capi/capi20\x00', 0x600, 0x0) ioctl$CAPI_REGISTER(r0, 0x400c4301, &(0x7f00000000c0)={0x3, 0x7fff, 0x1}) r1 = socket$kcm(0x10, 0x2, 0x10) sendmsg$kcm(r1, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000040)=[{&(0x7f0000000300)="1400000013000507ed008064d20010002e000080", 0x14}], 0x1}, 0x0) r2 = socket$kcm(0x2b, 0x8000000000001, 0x0) ioctl$PERF_EVENT_IOC_ENABLE(r2, 0x8912, 0x400200) r3 = openat$vcs(0xffffffffffffff9c, &(0x7f0000000000)='/dev/vcs\x00', 0x0, 0x0) r4 = socket$nl_generic(0x10, 0x3, 0x10) poll(&(0x7f0000000100)=[{r3}, {r2}, {r4}], 0x3, 0x6) ioctl$DRM_IOCTL_AGP_ACQUIRE(r3, 0x6430) 10:47:13 executing program 4: r0 = socket$kcm(0x2b, 0x8000000000001, 0x0) ioctl$PERF_EVENT_IOC_ENABLE(r0, 0x8912, 0x400200) r1 = socket$inet6(0xa, 0x3, 0x6) setsockopt$inet6_IPV6_FLOWLABEL_MGR(r1, 0x29, 0x20, &(0x7f0000000300)={@mcast2, 0x10000, 0x0, 0x102, 0x8000003}, 0x600) 10:47:13 executing program 3: mknod(&(0x7f0000000040)='./bus\x00', 0x2000000000001003, 0x0) r0 = open(&(0x7f0000000100)='./bus\x00', 0x20000000000b04, 0x0) r1 = epoll_create(0x7) epoll_ctl$EPOLL_CTL_ADD(r1, 0x1, r0, &(0x7f00000001c0)) r2 = socket$kcm(0x2b, 0x8000000000001, 0x0) ioctl$PERF_EVENT_IOC_ENABLE(r2, 0x8912, 0x400200) r3 = openat$vcs(0xffffffffffffff9c, &(0x7f0000000000)='/dev/vcs\x00', 0x0, 0x0) r4 = socket$nl_generic(0x10, 0x3, 0x10) poll(&(0x7f0000000040)=[{r3}, {r2}, {r4}], 0x3, 0x6) r5 = socket(0x2000000000000021, 0x2, 0x10000000000002) connect$rxrpc(r5, &(0x7f0000000140)=@in4={0x21, 0x0, 0x2, 0x10, {0x2, 0x0, @rand_addr=0xdd}}, 0x24) sendmmsg(r5, &(0x7f0000005c00)=[{{0x0, 0xfffffffffffffd95, 0x0, 0x0, &(0x7f0000000000)=ANY=[@ANYBLOB="18000800000000001001000001000000ec00000000000000"], 0x18}}], 0x1, 0x0) r6 = socket$inet6(0xa, 0x3, 0x6) mmap(&(0x7f0000ffd000/0x2000)=nil, 0x2000, 0x8, 0x810, r6, 0x0) setsockopt$inet6_IPV6_FLOWLABEL_MGR(r6, 0x29, 0x20, &(0x7f0000000080)={@loopback, 0x800, 0x0, 0x100000003, 0x1, 0x0, 0x0, 0x400000000}, 0x20) setsockopt$inet6_IPV6_FLOWLABEL_MGR(r6, 0x29, 0x20, &(0x7f0000000300)={@mcast2, 0x10000, 0x0, 0x102, 0x8000003}, 0x20) setsockopt$inet6_IPV6_FLOWLABEL_MGR(r6, 0x29, 0x20, &(0x7f0000000040)={@loopback, 0x0, 0x0, 0x1, 0x3}, 0x20) connect$inet6(r6, 0x0, 0x0) r7 = syz_open_procfs(0x0, &(0x7f0000000600)='net/ip6_flowlabel\x00n\xc01\x14\x894X\xed\xc1\xc9\xd8\xdcK\r\x8d\xae\x98&@\xd0\xe6\xbbQ\xd7\xffYn\x1c\x92\xde\x0e\xaa1\x91\x98\xe9\x1f\nMCi|+\xcdw\xf0\x176Z\xf1`\xac\xf3;\xd6d2\xeb\xe5\f\x0e\x8b\xda\xf7\xfc9\xfe\xff4\xef\'\xa19q\x93\"\x7fG3\xc1E\xe6e6\xc6\xc2u\x11% \xe7+0\x97\x84;\\\xda\xc4\x80\xc3\xb18N\xbfY%\x05\xf8\x85\x89\xfc\xd2\xd7') sendfile(r6, r7, &(0x7f0000000240)=0x202, 0x4000000000dc) r8 = syz_genetlink_get_family_id$nbd(&(0x7f0000000140)='nbd\x00') ioctl$KVM_S390_UCAS_UNMAP(r7, 0x4018ae51, &(0x7f00000000c0)={0x8000, 0x7ff, 0x2}) sendmsg$NBD_CMD_RECONFIGURE(r7, &(0x7f0000000200)={&(0x7f0000000100)={0x10, 0x0, 0x0, 0x80}, 0xc, &(0x7f00000001c0)={&(0x7f0000000180)={0x1ce, r8, 0xc05, 0x70bd29, 0x25dfdbff}, 0x14}, 0x1, 0x0, 0x0, 0x4}, 0x84) sendmsg$NBD_CMD_STATUS(r5, &(0x7f00000002c0)={&(0x7f0000000180)={0x10, 0x0, 0x0, 0x1000000}, 0xc, &(0x7f0000000280)={&(0x7f00000001c0)={0x28, r8, 0x10, 0x70bd25, 0x25dfdbfb, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x5}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x28}, 0x1, 0x0, 0x0, 0x8b29ba74f3c49941}, 0x4044) r9 = openat$audio(0xffffffffffffff9c, &(0x7f0000003500)='/dev/audio\x00', 0x200000, 0x0) r10 = socket$kcm(0x2b, 0x8000000000001, 0x0) ioctl$PERF_EVENT_IOC_ENABLE(r10, 0x8912, 0x400200) r11 = openat$vcs(0xffffffffffffff9c, &(0x7f0000000000)='/dev/vcs\x00', 0x0, 0x0) r12 = socket$nl_generic(0x10, 0x3, 0x10) poll(&(0x7f0000000040)=[{r11}, {r10}, {r12}], 0x3, 0x6) sendmsg$NBD_CMD_CONNECT(r3, &(0x7f0000003600)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x80}, 0xc, &(0x7f00000035c0)={&(0x7f0000003540)={0x54, r8, 0x300, 0x70bd2b, 0x25dfdbfe, {}, [@NBD_ATTR_SOCKETS={0x2c, 0x7, [{0x8, 0x1, r9}, {0x8, 0x1, r11}, {0x8, 0x1, r0}, {0x8}, {0x8, 0x1, r0}]}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}]}, 0x54}, 0x1, 0x0, 0x0, 0x80000c0}, 0x4000000) 10:47:13 executing program 5: r0 = socket$kcm(0x10, 0x2, 0x10) sendmsg$kcm(r0, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000040)=[{&(0x7f0000000300)="1400000013000507ed008064d20010002e000080", 0x14}], 0x1}, 0x0) r1 = socket$kcm(0x2b, 0x8000000000001, 0x0) ioctl$PERF_EVENT_IOC_ENABLE(r1, 0x8912, 0x400200) r2 = openat$vcs(0xffffffffffffff9c, &(0x7f0000000000)='/dev/vcs\x00', 0x0, 0x0) r3 = socket$nl_generic(0x10, 0x3, 0x10) poll(&(0x7f0000000040)=[{r2}, {r1}, {r3}], 0x3, 0x6) r4 = openat(r2, &(0x7f0000000000)='./file0\x00', 0x75c0db453649b8fe, 0x20) ioctl$UFFDIO_ZEROPAGE(r4, 0xc020aa04, &(0x7f0000000080)={{&(0x7f0000ffd000/0x3000)=nil, 0x3000}}) r5 = socket$kcm(0x2b, 0x8000000000001, 0x0) ioctl$PERF_EVENT_IOC_ENABLE(r5, 0x8912, 0x400200) r6 = openat$vcs(0xffffffffffffff9c, &(0x7f0000000000)='/dev/vcs\x00', 0x0, 0x0) r7 = socket$nl_generic(0x10, 0x3, 0x10) poll(&(0x7f0000000040)=[{r6}, {r5}, {r7}], 0x3, 0x6) ioctl$SG_IO(r6, 0x2285, &(0x7f0000000740)={0x0, 0xfffffffffffffffc, 0x6d, 0x3, @scatter={0x5, 0x0, &(0x7f0000000200)=[{&(0x7f0000000140)=""/69, 0x45}, {&(0x7f0000000340)=""/230, 0xe6}, {&(0x7f0000000440)=""/196, 0xc4}, {&(0x7f00000001c0)=""/50, 0x32}, {&(0x7f0000000540)=""/155, 0x9b}]}, &(0x7f0000000600)="79cd4239de463828224c17a3ef17d885c20a51936f8f5c37335c4f65386b40b22a2ddf35c79833fb9b3b29909a9f05b5e2aff1fa5783991b0de09f3422f51ad815b22d421b082f802112f50429dadfa1bd050d389e4d71ad971910e9554ddff8f854601c0fe039b35c79f182da", &(0x7f0000000680)=""/159, 0xfffffffe, 0x10, 0xffffffffffffffff, &(0x7f00000002c0)}) r8 = socket$kcm(0x2b, 0x8000000000001, 0x0) ioctl$PERF_EVENT_IOC_ENABLE(r8, 0x8912, 0x400200) r9 = openat$vcs(0xffffffffffffff9c, &(0x7f0000000000)='/dev/vcs\x00', 0x0, 0x0) r10 = socket$nl_generic(0x10, 0x3, 0x10) poll(&(0x7f0000000040)=[{r9}, {r8}, {r10}], 0x3, 0x6) write$P9_RFSYNC(r9, &(0x7f0000000100)={0x7, 0x33, 0x2}, 0x7) setsockopt$SO_VM_SOCKETS_CONNECT_TIMEOUT(0xffffffffffffffff, 0x28, 0x6, &(0x7f00000000c0)={0x0, 0x2710}, 0x10) 10:47:13 executing program 1: r0 = perf_event_open(&(0x7f0000940000)={0x2, 0x70, 0xfffffffffffffffd, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}}, 0x0, 0x0, 0xffffffffffffffff, 0x0) mmap(&(0x7f00004da000/0x1000)=nil, 0x1000, 0x0, 0x4000012, r0, 0x0) mincore(&(0x7f00003fa000/0x200000)=nil, 0x20019c, &(0x7f0000000000)=""/222) 10:47:14 executing program 3: mknod(&(0x7f0000000040)='./bus\x00', 0x2000000000001003, 0x0) r0 = open(&(0x7f0000000100)='./bus\x00', 0x20000000000b04, 0x0) r1 = epoll_create(0x7) epoll_ctl$EPOLL_CTL_ADD(r1, 0x1, r0, &(0x7f00000001c0)) r2 = socket$kcm(0x2b, 0x8000000000001, 0x0) ioctl$PERF_EVENT_IOC_ENABLE(r2, 0x8912, 0x400200) r3 = openat$vcs(0xffffffffffffff9c, &(0x7f0000000000)='/dev/vcs\x00', 0x0, 0x0) r4 = socket$nl_generic(0x10, 0x3, 0x10) poll(&(0x7f0000000040)=[{r3}, {r2}, {r4}], 0x3, 0x6) r5 = socket(0x2000000000000021, 0x2, 0x10000000000002) connect$rxrpc(r5, &(0x7f0000000140)=@in4={0x21, 0x0, 0x2, 0x10, {0x2, 0x0, @rand_addr=0xdd}}, 0x24) sendmmsg(r5, &(0x7f0000005c00)=[{{0x0, 0xfffffffffffffd95, 0x0, 0x0, &(0x7f0000000000)=ANY=[@ANYBLOB="18000800000000001001000001000000ec00000000000000"], 0x18}}], 0x1, 0x0) r6 = socket$inet6(0xa, 0x3, 0x6) mmap(&(0x7f0000ffd000/0x2000)=nil, 0x2000, 0x8, 0x810, r6, 0x0) setsockopt$inet6_IPV6_FLOWLABEL_MGR(r6, 0x29, 0x20, &(0x7f0000000080)={@loopback, 0x800, 0x0, 0x100000003, 0x1, 0x0, 0x0, 0x400000000}, 0x20) setsockopt$inet6_IPV6_FLOWLABEL_MGR(r6, 0x29, 0x20, &(0x7f0000000300)={@mcast2, 0x10000, 0x0, 0x102, 0x8000003}, 0x20) setsockopt$inet6_IPV6_FLOWLABEL_MGR(r6, 0x29, 0x20, &(0x7f0000000040)={@loopback, 0x0, 0x0, 0x1, 0x3}, 0x20) connect$inet6(r6, 0x0, 0x0) r7 = syz_open_procfs(0x0, &(0x7f0000000600)='net/ip6_flowlabel\x00n\xc01\x14\x894X\xed\xc1\xc9\xd8\xdcK\r\x8d\xae\x98&@\xd0\xe6\xbbQ\xd7\xffYn\x1c\x92\xde\x0e\xaa1\x91\x98\xe9\x1f\nMCi|+\xcdw\xf0\x176Z\xf1`\xac\xf3;\xd6d2\xeb\xe5\f\x0e\x8b\xda\xf7\xfc9\xfe\xff4\xef\'\xa19q\x93\"\x7fG3\xc1E\xe6e6\xc6\xc2u\x11% \xe7+0\x97\x84;\\\xda\xc4\x80\xc3\xb18N\xbfY%\x05\xf8\x85\x89\xfc\xd2\xd7') sendfile(r6, r7, &(0x7f0000000240)=0x202, 0x4000000000dc) r8 = syz_genetlink_get_family_id$nbd(&(0x7f0000000140)='nbd\x00') ioctl$KVM_S390_UCAS_UNMAP(r7, 0x4018ae51, &(0x7f00000000c0)={0x8000, 0x7ff, 0x2}) sendmsg$NBD_CMD_RECONFIGURE(r7, &(0x7f0000000200)={&(0x7f0000000100)={0x10, 0x0, 0x0, 0x80}, 0xc, &(0x7f00000001c0)={&(0x7f0000000180)={0x1ce, r8, 0xc05, 0x70bd29, 0x25dfdbff}, 0x14}, 0x1, 0x0, 0x0, 0x4}, 0x84) sendmsg$NBD_CMD_STATUS(r5, &(0x7f00000002c0)={&(0x7f0000000180)={0x10, 0x0, 0x0, 0x1000000}, 0xc, &(0x7f0000000280)={&(0x7f00000001c0)={0x28, r8, 0x10, 0x70bd25, 0x25dfdbfb, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x5}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x28}, 0x1, 0x0, 0x0, 0x8b29ba74f3c49941}, 0x4044) r9 = openat$audio(0xffffffffffffff9c, &(0x7f0000003500)='/dev/audio\x00', 0x200000, 0x0) r10 = socket$kcm(0x2b, 0x8000000000001, 0x0) ioctl$PERF_EVENT_IOC_ENABLE(r10, 0x8912, 0x400200) r11 = openat$vcs(0xffffffffffffff9c, &(0x7f0000000000)='/dev/vcs\x00', 0x0, 0x0) r12 = socket$nl_generic(0x10, 0x3, 0x10) poll(&(0x7f0000000040)=[{r11}, {r10}, {r12}], 0x3, 0x6) sendmsg$NBD_CMD_CONNECT(r3, &(0x7f0000003600)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x80}, 0xc, &(0x7f00000035c0)={&(0x7f0000003540)={0x54, r8, 0x300, 0x70bd2b, 0x25dfdbfe, {}, [@NBD_ATTR_SOCKETS={0x2c, 0x7, [{0x8, 0x1, r9}, {0x8, 0x1, r11}, {0x8, 0x1, r0}, {0x8}, {0x8, 0x1, r0}]}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}]}, 0x54}, 0x1, 0x0, 0x0, 0x80000c0}, 0x4000000) 10:47:14 executing program 4: r0 = socket$kcm(0x2b, 0x2, 0x0) ioctl$KDGKBLED(0xffffffffffffffff, 0x4b64, &(0x7f0000000000)) ioctl$PERF_EVENT_IOC_ENABLE(r0, 0x8912, 0x400200) r1 = socket$inet6(0xa, 0x3, 0x6) r2 = socket$inet(0x2, 0x3, 0x5) setsockopt$IP_VS_SO_SET_EDIT(r2, 0x0, 0x483, &(0x7f0000000080)={0x36, @broadcast, 0x4e20, 0x3, 'nq\x00', 0x20, 0xb2, 0x41}, 0x2c) r3 = socket$inet6_dccp(0xa, 0x6, 0x0) getsockopt$inet6_int(r3, 0x29, 0x5, 0x0, &(0x7f0000000100)=0x1b3) dup3(0xffffffffffffffff, 0xffffffffffffffff, 0x0) r4 = syz_open_dev$audion(&(0x7f0000000140)='/dev/audio#\x00', 0xffffffffffffffc1, 0x509100) ioctl$MON_IOCX_GET(r4, 0x40189206, &(0x7f00000000c0)={&(0x7f0000000040)={0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @iso}, &(0x7f0000000180)=""/29, 0x1a}) r5 = socket$inet_udplite(0x2, 0x2, 0x88) r6 = socket$kcm(0x2b, 0x8000000000001, 0x0) ioctl$PERF_EVENT_IOC_ENABLE(r6, 0x8912, 0x400200) r7 = openat$vcs(0xffffffffffffff9c, &(0x7f0000000000)='/dev/vcs\x00', 0x0, 0x0) r8 = socket$nl_generic(0x10, 0x3, 0x10) poll(&(0x7f0000000040)=[{r7}, {r6}, {r8}], 0x3, 0x6) r9 = openat(r7, &(0x7f0000000200)='./file0\x00', 0x2, 0x80) getsockopt$inet_sctp_SCTP_FRAGMENT_INTERLEAVE(r9, 0x84, 0x12, &(0x7f00000002c0), &(0x7f0000000340)=0x4) getsockopt$sock_cred(r5, 0x1, 0x11, &(0x7f0000000240)={0x0, 0x0}, &(0x7f0000000280)=0x5) r11 = socket$kcm(0x2b, 0x8000000000001, 0x0) ioctl$PERF_EVENT_IOC_ENABLE(r11, 0x8912, 0x400200) r12 = openat$vcs(0xffffffffffffff9c, &(0x7f0000000000)='/dev/vcs\x00', 0x0, 0x0) r13 = socket$nl_generic(0x10, 0x3, 0x10) poll(&(0x7f0000000040)=[{r12}, {r11}, {r13}], 0x3, 0x6) write$FUSE_NOTIFY_INVAL_INODE(r12, &(0x7f00000001c0)={0x28, 0x2, 0x0, {0x0, 0x4, 0x9}}, 0x28) setuid(r10) r14 = getgid() fchown(r3, r10, r14) setsockopt$inet6_IPV6_FLOWLABEL_MGR(r1, 0x29, 0x20, &(0x7f0000000300)={@mcast2, 0x10000, 0x0, 0x102, 0x8000003}, 0x20) 10:47:14 executing program 5: r0 = socket$kcm(0x10, 0x9, 0x10) sendmsg$kcm(r0, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000040)=[{&(0x7f0000000300)="1400000013000507ed008064d20010002e000080", 0x14}], 0x1}, 0x0) 10:47:14 executing program 1: r0 = perf_event_open(&(0x7f0000940000)={0x2, 0x70, 0xfffffffffffffffd, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}}, 0x0, 0x0, 0xffffffffffffffff, 0x0) mmap(&(0x7f00004da000/0x1000)=nil, 0x1000, 0x0, 0x4000012, r0, 0x0) mincore(&(0x7f00003fa000/0x200000)=nil, 0x20019d, &(0x7f0000000000)=""/222) [ 979.653785][T14437] IPVS: set_ctl: invalid protocol: 54 255.255.255.255:20000 10:47:14 executing program 5: r0 = socket$kcm(0x10, 0x2, 0x10) r1 = socket$kcm(0x2b, 0x8000000000001, 0x0) ioctl$PERF_EVENT_IOC_ENABLE(r1, 0x8912, 0x400200) r2 = openat$vcs(0xffffffffffffff9c, &(0x7f0000000000)='/dev/vcs\x00', 0x0, 0x0) r3 = socket$nl_generic(0x10, 0x3, 0x10) poll(&(0x7f0000000040)=[{r2}, {r1}, {r3}], 0x3, 0x6) ioctl$VIDIOC_S_TUNER(r2, 0x4054561e, &(0x7f0000000080)={0xffff1074, "223d3481aa023833c72c5e5076cd6e3f0d02829564f637531bd41ed430eaf01a", 0x1, 0x2a0, 0x20, 0x5, 0x10, 0x2, 0x0, 0x5}) sendmsg$kcm(r0, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000040)=[{&(0x7f0000000300)="1400000013000507ed008064d20010002e000080", 0x14}], 0x1}, 0x0) ioctl$sock_inet_SIOCGIFDSTADDR(r0, 0x8917, &(0x7f0000000100)={'gretap0\x00', {0x2, 0x4e23, @empty}}) 10:47:14 executing program 4: r0 = socket$kcm(0x2b, 0x8000000000001, 0x0) ioctl$PERF_EVENT_IOC_ENABLE(r0, 0x8912, 0x400200) r1 = socket$inet6(0xa, 0x3, 0x6) r2 = socket$kcm(0x2b, 0x8000000000001, 0x0) ioctl$PERF_EVENT_IOC_ENABLE(r2, 0x8912, 0x400200) r3 = openat$vcs(0xffffffffffffff9c, &(0x7f0000000000)='/dev/vcs\x00', 0x0, 0x0) r4 = socket$nl_generic(0x10, 0x3, 0x10) poll(&(0x7f0000000040)=[{r3}, {r2}, {r4}], 0x3, 0x6) setsockopt$nfc_llcp_NFC_LLCP_MIUX(r3, 0x118, 0x1, &(0x7f0000000000)=0x4, 0x4) setsockopt$inet6_IPV6_FLOWLABEL_MGR(r1, 0x29, 0x20, &(0x7f0000000300)={@mcast2, 0x10000, 0x0, 0x102, 0x8000003}, 0x20) 10:47:14 executing program 3: mknod(&(0x7f0000000040)='./bus\x00', 0x2000000000001003, 0x0) r0 = open(&(0x7f0000000100)='./bus\x00', 0x20000000000b04, 0x0) r1 = epoll_create(0x7) epoll_ctl$EPOLL_CTL_ADD(r1, 0x1, r0, &(0x7f00000001c0)) r2 = socket$kcm(0x2b, 0x8000000000001, 0x0) ioctl$PERF_EVENT_IOC_ENABLE(r2, 0x8912, 0x400200) r3 = openat$vcs(0xffffffffffffff9c, &(0x7f0000000000)='/dev/vcs\x00', 0x0, 0x0) r4 = socket$nl_generic(0x10, 0x3, 0x10) poll(&(0x7f0000000040)=[{r3}, {r2}, {r4}], 0x3, 0x6) r5 = socket(0x2000000000000021, 0x2, 0x10000000000002) connect$rxrpc(r5, &(0x7f0000000140)=@in4={0x21, 0x0, 0x2, 0x10, {0x2, 0x0, @rand_addr=0xdd}}, 0x24) sendmmsg(r5, &(0x7f0000005c00)=[{{0x0, 0xfffffffffffffd95, 0x0, 0x0, &(0x7f0000000000)=ANY=[@ANYBLOB="18000800000000001001000001000000ec00000000000000"], 0x18}}], 0x1, 0x0) r6 = socket$inet6(0xa, 0x3, 0x6) mmap(&(0x7f0000ffd000/0x2000)=nil, 0x2000, 0x8, 0x810, r6, 0x0) setsockopt$inet6_IPV6_FLOWLABEL_MGR(r6, 0x29, 0x20, &(0x7f0000000080)={@loopback, 0x800, 0x0, 0x100000003, 0x1, 0x0, 0x0, 0x400000000}, 0x20) setsockopt$inet6_IPV6_FLOWLABEL_MGR(r6, 0x29, 0x20, &(0x7f0000000300)={@mcast2, 0x10000, 0x0, 0x102, 0x8000003}, 0x20) setsockopt$inet6_IPV6_FLOWLABEL_MGR(r6, 0x29, 0x20, &(0x7f0000000040)={@loopback, 0x0, 0x0, 0x1, 0x3}, 0x20) connect$inet6(r6, &(0x7f0000000500)={0xa, 0x0, 0x0, @mcast2, 0x7ff}, 0x9) r7 = syz_open_procfs(0x0, &(0x7f0000000600)='net/ip6_flowlabel\x00n\xc01\x14\x894X\xed\xc1\xc9\xd8\xdcK\r\x8d\xae\x98&@\xd0\xe6\xbbQ\xd7\xffYn\x1c\x92\xde\x0e\xaa1\x91\x98\xe9\x1f\nMCi|+\xcdw\xf0\x176Z\xf1`\xac\xf3;\xd6d2\xeb\xe5\f\x0e\x8b\xda\xf7\xfc9\xfe\xff4\xef\'\xa19q\x93\"\x7fG3\xc1E\xe6e6\xc6\xc2u\x11% \xe7+0\x97\x84;\\\xda\xc4\x80\xc3\xb18N\xbfY%\x05\xf8\x85\x89\xfc\xd2\xd7') sendfile(r6, r7, &(0x7f0000000240)=0x202, 0x4000000000dc) r8 = syz_genetlink_get_family_id$nbd(&(0x7f0000000140)='nbd\x00') ioctl$KVM_S390_UCAS_UNMAP(r7, 0x4018ae51, &(0x7f00000000c0)={0x8000, 0x7ff, 0x2}) sendmsg$NBD_CMD_RECONFIGURE(r7, &(0x7f0000000200)={&(0x7f0000000100)={0x10, 0x0, 0x0, 0x80}, 0xc, &(0x7f00000001c0)={&(0x7f0000000180)={0x1ce, r8, 0xc05, 0x70bd29, 0x25dfdbff}, 0x14}, 0x1, 0x0, 0x0, 0x4}, 0x84) sendmsg$NBD_CMD_STATUS(r5, &(0x7f00000002c0)={&(0x7f0000000180)={0x10, 0x0, 0x0, 0x1000000}, 0xc, &(0x7f0000000280)={&(0x7f00000001c0)={0x28, r8, 0x10, 0x70bd25, 0x25dfdbfb, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x5}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x28}, 0x1, 0x0, 0x0, 0x8b29ba74f3c49941}, 0x4044) r9 = openat$audio(0xffffffffffffff9c, &(0x7f0000003500)='/dev/audio\x00', 0x200000, 0x0) r10 = socket$kcm(0x2b, 0x8000000000001, 0x0) ioctl$PERF_EVENT_IOC_ENABLE(r10, 0x8912, 0x400200) r11 = openat$vcs(0xffffffffffffff9c, &(0x7f0000000000)='/dev/vcs\x00', 0x0, 0x0) r12 = socket$nl_generic(0x10, 0x3, 0x10) poll(&(0x7f0000000040)=[{r11}, {r10}, {r12}], 0x3, 0x6) sendmsg$NBD_CMD_CONNECT(r3, &(0x7f0000003600)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x80}, 0xc, &(0x7f00000035c0)={&(0x7f0000003540)={0x54, r8, 0x300, 0x70bd2b, 0x25dfdbfe, {}, [@NBD_ATTR_SOCKETS={0x2c, 0x7, [{0x8, 0x1, r9}, {0x8, 0x1, r11}, {0x8, 0x1, r0}, {0x8}, {0x8, 0x1, r0}]}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}]}, 0x54}, 0x1, 0x0, 0x0, 0x80000c0}, 0x4000000) 10:47:14 executing program 5: r0 = socket$kcm(0x10, 0x2, 0x10) r1 = socket$kcm(0x2b, 0x8000000000001, 0x0) ioctl$PERF_EVENT_IOC_ENABLE(r1, 0x8912, 0x400200) r2 = openat$vcs(0xffffffffffffff9c, &(0x7f0000000000)='/dev/vcs\x00', 0x0, 0x0) r3 = socket$nl_generic(0x10, 0x3, 0x10) poll(&(0x7f0000000040)=[{r2}, {r1}, {r3}], 0x3, 0x6) getsockopt$EBT_SO_GET_INFO(r2, 0x0, 0x80, &(0x7f0000000040)={'filter\x00'}, &(0x7f00000000c0)=0x78) sendmsg$kcm(r0, &(0x7f0000000000)={0x0, 0x67, &(0x7f0000000040), 0x144, 0x0, 0x17b}, 0x4810) 10:47:14 executing program 4: r0 = socket$kcm(0x2b, 0x8000000000001, 0x0) ioctl$PERF_EVENT_IOC_ENABLE(r0, 0x8912, 0x400200) r1 = socket$inet6(0xa, 0x3, 0x6) r2 = socket$kcm(0x2b, 0x8000000000001, 0x0) ioctl$PERF_EVENT_IOC_ENABLE(r2, 0x8912, 0x400200) r3 = openat$vcs(0xffffffffffffff9c, &(0x7f0000000000)='/dev/vcs\x00', 0x0, 0x0) r4 = socket$nl_generic(0x10, 0x3, 0x10) poll(&(0x7f0000000040)=[{r3}, {r2}, {r4}], 0x3, 0x6) setsockopt$CAIFSO_REQ_PARAM(r3, 0x116, 0x80, &(0x7f0000000000)="f219e211f1b914582e00101391ccf5e2838bc4f90a7df9f5f45819cfbfb7504520d8ca3565e7e59d09f89c71e78bab08eaf0e8", 0x33) setsockopt$inet6_IPV6_FLOWLABEL_MGR(r1, 0x29, 0x20, &(0x7f0000000300)={@mcast2, 0x10000, 0x0, 0x102, 0x8000003}, 0x20) 10:47:14 executing program 1: r0 = perf_event_open(&(0x7f0000940000)={0x2, 0x70, 0xfffffffffffffffd, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}}, 0x0, 0x0, 0xffffffffffffffff, 0x0) mmap(&(0x7f00004da000/0x1000)=nil, 0x1000, 0x0, 0x4000012, r0, 0x0) mincore(&(0x7f00003fa000/0x200000)=nil, 0x20019e, &(0x7f0000000000)=""/222) 10:47:14 executing program 5: r0 = socket$kcm(0x10, 0x2, 0x10) sendmsg$kcm(r0, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000040)=[{&(0x7f0000000300)="1400000013000507ed008064d20010002e000080", 0x14}], 0x1}, 0x0) seccomp$SECCOMP_GET_ACTION_AVAIL(0x2, 0x0, &(0x7f0000000000)=0x40) 10:47:14 executing program 3: mknod(&(0x7f0000000040)='./bus\x00', 0x2000000000001003, 0x0) r0 = open(&(0x7f0000000100)='./bus\x00', 0x20000000000b04, 0x0) r1 = epoll_create(0x7) epoll_ctl$EPOLL_CTL_ADD(r1, 0x1, r0, &(0x7f00000001c0)) r2 = socket$kcm(0x2b, 0x8000000000001, 0x0) ioctl$PERF_EVENT_IOC_ENABLE(r2, 0x8912, 0x400200) r3 = openat$vcs(0xffffffffffffff9c, &(0x7f0000000000)='/dev/vcs\x00', 0x0, 0x0) r4 = socket$nl_generic(0x10, 0x3, 0x10) poll(&(0x7f0000000040)=[{r3}, {r2}, {r4}], 0x3, 0x6) r5 = socket(0x2000000000000021, 0x2, 0x10000000000002) connect$rxrpc(r5, &(0x7f0000000140)=@in4={0x21, 0x0, 0x2, 0x10, {0x2, 0x0, @rand_addr=0xdd}}, 0x24) sendmmsg(r5, &(0x7f0000005c00)=[{{0x0, 0xfffffffffffffd95, 0x0, 0x0, &(0x7f0000000000)=ANY=[@ANYBLOB="18000800000000001001000001000000ec00000000000000"], 0x18}}], 0x1, 0x0) r6 = socket$inet6(0xa, 0x3, 0x6) mmap(&(0x7f0000ffd000/0x2000)=nil, 0x2000, 0x8, 0x810, r6, 0x0) setsockopt$inet6_IPV6_FLOWLABEL_MGR(r6, 0x29, 0x20, &(0x7f0000000080)={@loopback, 0x800, 0x0, 0x100000003, 0x1, 0x0, 0x0, 0x400000000}, 0x20) setsockopt$inet6_IPV6_FLOWLABEL_MGR(r6, 0x29, 0x20, &(0x7f0000000300)={@mcast2, 0x10000, 0x0, 0x102, 0x8000003}, 0x20) setsockopt$inet6_IPV6_FLOWLABEL_MGR(r6, 0x29, 0x20, &(0x7f0000000040)={@loopback, 0x0, 0x0, 0x1, 0x3}, 0x20) connect$inet6(r6, &(0x7f0000000500)={0xa, 0x0, 0x0, @mcast2, 0x7ff}, 0x9) r7 = syz_open_procfs(0x0, &(0x7f0000000600)='net/ip6_flowlabel\x00n\xc01\x14\x894X\xed\xc1\xc9\xd8\xdcK\r\x8d\xae\x98&@\xd0\xe6\xbbQ\xd7\xffYn\x1c\x92\xde\x0e\xaa1\x91\x98\xe9\x1f\nMCi|+\xcdw\xf0\x176Z\xf1`\xac\xf3;\xd6d2\xeb\xe5\f\x0e\x8b\xda\xf7\xfc9\xfe\xff4\xef\'\xa19q\x93\"\x7fG3\xc1E\xe6e6\xc6\xc2u\x11% \xe7+0\x97\x84;\\\xda\xc4\x80\xc3\xb18N\xbfY%\x05\xf8\x85\x89\xfc\xd2\xd7') sendfile(r6, r7, &(0x7f0000000240)=0x202, 0x4000000000dc) r8 = syz_genetlink_get_family_id$nbd(&(0x7f0000000140)='nbd\x00') ioctl$KVM_S390_UCAS_UNMAP(r7, 0x4018ae51, &(0x7f00000000c0)={0x8000, 0x7ff, 0x2}) sendmsg$NBD_CMD_RECONFIGURE(r7, &(0x7f0000000200)={&(0x7f0000000100)={0x10, 0x0, 0x0, 0x80}, 0xc, &(0x7f00000001c0)={&(0x7f0000000180)={0x1ce, r8, 0xc05, 0x70bd29, 0x25dfdbff}, 0x14}, 0x1, 0x0, 0x0, 0x4}, 0x84) sendmsg$NBD_CMD_STATUS(r5, &(0x7f00000002c0)={&(0x7f0000000180)={0x10, 0x0, 0x0, 0x1000000}, 0xc, &(0x7f0000000280)={&(0x7f00000001c0)={0x28, r8, 0x10, 0x70bd25, 0x25dfdbfb, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x5}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x28}, 0x1, 0x0, 0x0, 0x8b29ba74f3c49941}, 0x4044) r9 = openat$audio(0xffffffffffffff9c, &(0x7f0000003500)='/dev/audio\x00', 0x200000, 0x0) r10 = socket$kcm(0x2b, 0x8000000000001, 0x0) ioctl$PERF_EVENT_IOC_ENABLE(r10, 0x8912, 0x400200) r11 = openat$vcs(0xffffffffffffff9c, &(0x7f0000000000)='/dev/vcs\x00', 0x0, 0x0) r12 = socket$nl_generic(0x10, 0x3, 0x10) poll(&(0x7f0000000040)=[{r11}, {r10}, {r12}], 0x3, 0x6) sendmsg$NBD_CMD_CONNECT(r3, &(0x7f0000003600)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x80}, 0xc, &(0x7f00000035c0)={&(0x7f0000003540)={0x54, r8, 0x300, 0x70bd2b, 0x25dfdbfe, {}, [@NBD_ATTR_SOCKETS={0x2c, 0x7, [{0x8, 0x1, r9}, {0x8, 0x1, r11}, {0x8, 0x1, r0}, {0x8}, {0x8, 0x1, r0}]}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}]}, 0x54}, 0x1, 0x0, 0x0, 0x80000c0}, 0x4000000) 10:47:14 executing program 5: r0 = socket$kcm(0x10, 0x2, 0x10) sendmsg$kcm(r0, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000040)=[{&(0x7f0000000300)="1400000013000507ed008064d20010002e000080", 0x14}], 0x1}, 0x0) r1 = openat$ptmx(0xffffffffffffff9c, &(0x7f0000000000)='/dev/ptmx\x00', 0x404000, 0x0) ioctl$KDDISABIO(r1, 0x4b37) 10:47:14 executing program 1: r0 = perf_event_open(&(0x7f0000940000)={0x2, 0x70, 0xfffffffffffffffd, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}}, 0x0, 0x0, 0xffffffffffffffff, 0x0) mmap(&(0x7f00004da000/0x1000)=nil, 0x1000, 0x0, 0x4000012, r0, 0x0) mincore(&(0x7f00003fa000/0x200000)=nil, 0x20019f, &(0x7f0000000000)=""/222) 10:47:15 executing program 5: r0 = socket$kcm(0x10, 0x2, 0x10) r1 = syz_open_dev$mice(&(0x7f0000000180)='/dev/input/mice\x00', 0x0, 0x800) ioctl$TIOCSLCKTRMIOS(r1, 0x5457, &(0x7f0000000000)) sendmsg$kcm(r0, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000040)=[{&(0x7f0000000300)="1400000013000507ed008064d20010002e000080", 0x14}], 0x1}, 0x0) r2 = openat$vsock(0xffffffffffffff9c, &(0x7f0000000100)='/dev/vsock\x00', 0x2, 0x0) ioctl$PIO_UNIMAPCLR(r2, 0x4b68, &(0x7f0000000140)={0x40, 0x4, 0x5d14}) r3 = openat$pfkey(0xffffffffffffff9c, &(0x7f0000000080)='/proc/self/net/pfkey\x00', 0x240000, 0x0) ioctl$TUNSETIFF(r3, 0x400454ca, &(0x7f00000000c0)={'eql\x00', 0x2}) [ 980.459202][ C1] net_ratelimit: 12 callbacks suppressed [ 980.459214][ C1] protocol 88fb is buggy, dev hsr_slave_0 [ 980.470804][ C1] protocol 88fb is buggy, dev hsr_slave_1 10:47:15 executing program 4: r0 = socket$kcm(0x2b, 0x8000000000001, 0x0) ioctl$PERF_EVENT_IOC_ENABLE(r0, 0x8912, 0x400200) r1 = openat$vcs(0xffffffffffffff9c, &(0x7f0000000000)='/dev/vcs\x00', 0x0, 0x0) r2 = socket$nl_generic(0x10, 0x3, 0x10) poll(&(0x7f0000000040)=[{r1}, {r0}, {r2}], 0x3, 0x6) r3 = syz_open_dev$mice(&(0x7f0000000000)='/dev/input/mice\x00', 0x0, 0x0) ioctl$GIO_FONTX(r3, 0x4b6b, &(0x7f0000000040)=""/64) r4 = syz_genetlink_get_family_id$ipvs(0x0) sendmsg$IPVS_CMD_DEL_DEST(r3, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000200)={&(0x7f0000000340)={0x88, r4, 0x0, 0x0, 0x25dfdbfd, {}, [@IPVS_CMD_ATTR_DEST={0x14, 0x2, [@IPVS_DEST_ATTR_U_THRESH={0x8, 0x5, 0x9}, @IPVS_DEST_ATTR_FWD_METHOD={0x8, 0x3, 0x892d477355963648}]}, @IPVS_CMD_ATTR_TIMEOUT_TCP_FIN={0x8, 0x5, 0x6}, @IPVS_CMD_ATTR_DEST={0x14, 0x2, [@IPVS_DEST_ATTR_L_THRESH={0x8, 0x6, 0x7}, @IPVS_DEST_ATTR_ACTIVE_CONNS={0x8, 0x7, 0xc4df}]}, @IPVS_CMD_ATTR_DAEMON={0x44, 0x3, [@IPVS_DAEMON_ATTR_MCAST_GROUP={0x8, 0x5, @loopback}, @IPVS_DAEMON_ATTR_MCAST_GROUP={0x8, 0x5, @dev={0xac, 0x14, 0x14, 0x19}}, @IPVS_DAEMON_ATTR_MCAST_IFN={0x14, 0x2, 'veth1\x00'}, @IPVS_DAEMON_ATTR_MCAST_IFN={0x14, 0x2, 'vcan0\x00'}, @IPVS_DAEMON_ATTR_SYNC_ID={0x8, 0x3, 0x2}]}]}, 0x88}}, 0x40) sendmsg$IPVS_CMD_GET_SERVICE(r2, &(0x7f0000000140)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x8200430}, 0xc, &(0x7f0000000100)={&(0x7f0000000400)=ANY=[@ANYBLOB='T\x00\x00\f', @ANYRES16=r4, @ANYBLOB="20022bbd7000fddbdf250400000008000500ff7f00003800010008000b007369700008000b007369700008000800b7000000080001000a0000000c0007000400000010000000080001000000000005cdc20d21cd704faa4d8ee1384d6c3d2f60d7d5bdc40d197d8be430e018ac44a03f5f44486ee1a151565cc4a896750950420c72c5758d2ef02853da52c7055c168d46d38129869058f83bb236077c39fe9bcf997c88e4d822266aea64ecf9ce38b9dd0781d8ef92842f87b65375a14e0b8ae6da6d6f18f2c75f576956b3cf1125e5c988dcce95791f0aa468aac3546276fb9f27ce7305950a24810e4dea4d07caf3b65574785302cd37d41962360d00180607b2872197f94be798a253328944850077a26bfa6da569ef5e4e4f22c3293b31a30fa81a8dea68b56090e846216697bf97c5d42d910f283d17"], 0x54}}, 0x4000000) r5 = socket$kcm(0x2b, 0x8000000000001, 0x0) ioctl$PERF_EVENT_IOC_ENABLE(r5, 0x8912, 0x400200) r6 = socket$inet6(0xa, 0x3, 0x6) setsockopt$inet6_IPV6_FLOWLABEL_MGR(r6, 0x29, 0x20, &(0x7f0000000300)={@mcast2, 0x10000, 0x0, 0x102, 0x8000003}, 0x20) bind$inet6(r1, &(0x7f0000000080)={0xa, 0x4e20, 0x3, @dev={0xfe, 0x80, [], 0x14}, 0x3}, 0x1c) syz_open_procfs(0xffffffffffffffff, &(0x7f0000000000)='auxv\x00') 10:47:15 executing program 3: mknod(&(0x7f0000000040)='./bus\x00', 0x2000000000001003, 0x0) r0 = open(&(0x7f0000000100)='./bus\x00', 0x20000000000b04, 0x0) r1 = epoll_create(0x7) epoll_ctl$EPOLL_CTL_ADD(r1, 0x1, r0, &(0x7f00000001c0)) r2 = socket$kcm(0x2b, 0x8000000000001, 0x0) ioctl$PERF_EVENT_IOC_ENABLE(r2, 0x8912, 0x400200) r3 = openat$vcs(0xffffffffffffff9c, &(0x7f0000000000)='/dev/vcs\x00', 0x0, 0x0) r4 = socket$nl_generic(0x10, 0x3, 0x10) poll(&(0x7f0000000040)=[{r3}, {r2}, {r4}], 0x3, 0x6) r5 = socket(0x2000000000000021, 0x2, 0x10000000000002) connect$rxrpc(r5, &(0x7f0000000140)=@in4={0x21, 0x0, 0x2, 0x10, {0x2, 0x0, @rand_addr=0xdd}}, 0x24) sendmmsg(r5, &(0x7f0000005c00)=[{{0x0, 0xfffffffffffffd95, 0x0, 0x0, &(0x7f0000000000)=ANY=[@ANYBLOB="18000800000000001001000001000000ec00000000000000"], 0x18}}], 0x1, 0x0) r6 = socket$inet6(0xa, 0x3, 0x6) mmap(&(0x7f0000ffd000/0x2000)=nil, 0x2000, 0x8, 0x810, r6, 0x0) setsockopt$inet6_IPV6_FLOWLABEL_MGR(r6, 0x29, 0x20, &(0x7f0000000080)={@loopback, 0x800, 0x0, 0x100000003, 0x1, 0x0, 0x0, 0x400000000}, 0x20) setsockopt$inet6_IPV6_FLOWLABEL_MGR(r6, 0x29, 0x20, &(0x7f0000000300)={@mcast2, 0x10000, 0x0, 0x102, 0x8000003}, 0x20) setsockopt$inet6_IPV6_FLOWLABEL_MGR(r6, 0x29, 0x20, &(0x7f0000000040)={@loopback, 0x0, 0x0, 0x1, 0x3}, 0x20) connect$inet6(r6, &(0x7f0000000500)={0xa, 0x0, 0x0, @mcast2, 0x7ff}, 0x9) r7 = syz_open_procfs(0x0, &(0x7f0000000600)='net/ip6_flowlabel\x00n\xc01\x14\x894X\xed\xc1\xc9\xd8\xdcK\r\x8d\xae\x98&@\xd0\xe6\xbbQ\xd7\xffYn\x1c\x92\xde\x0e\xaa1\x91\x98\xe9\x1f\nMCi|+\xcdw\xf0\x176Z\xf1`\xac\xf3;\xd6d2\xeb\xe5\f\x0e\x8b\xda\xf7\xfc9\xfe\xff4\xef\'\xa19q\x93\"\x7fG3\xc1E\xe6e6\xc6\xc2u\x11% \xe7+0\x97\x84;\\\xda\xc4\x80\xc3\xb18N\xbfY%\x05\xf8\x85\x89\xfc\xd2\xd7') sendfile(r6, r7, &(0x7f0000000240)=0x202, 0x4000000000dc) r8 = syz_genetlink_get_family_id$nbd(&(0x7f0000000140)='nbd\x00') ioctl$KVM_S390_UCAS_UNMAP(r7, 0x4018ae51, &(0x7f00000000c0)={0x8000, 0x7ff, 0x2}) sendmsg$NBD_CMD_RECONFIGURE(r7, &(0x7f0000000200)={&(0x7f0000000100)={0x10, 0x0, 0x0, 0x80}, 0xc, &(0x7f00000001c0)={&(0x7f0000000180)={0x1ce, r8, 0xc05, 0x70bd29, 0x25dfdbff}, 0x14}, 0x1, 0x0, 0x0, 0x4}, 0x84) sendmsg$NBD_CMD_STATUS(r5, &(0x7f00000002c0)={&(0x7f0000000180)={0x10, 0x0, 0x0, 0x1000000}, 0xc, &(0x7f0000000280)={&(0x7f00000001c0)={0x28, r8, 0x10, 0x70bd25, 0x25dfdbfb, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x5}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x28}, 0x1, 0x0, 0x0, 0x8b29ba74f3c49941}, 0x4044) r9 = openat$audio(0xffffffffffffff9c, &(0x7f0000003500)='/dev/audio\x00', 0x200000, 0x0) r10 = socket$kcm(0x2b, 0x8000000000001, 0x0) ioctl$PERF_EVENT_IOC_ENABLE(r10, 0x8912, 0x400200) r11 = openat$vcs(0xffffffffffffff9c, &(0x7f0000000000)='/dev/vcs\x00', 0x0, 0x0) r12 = socket$nl_generic(0x10, 0x3, 0x10) poll(&(0x7f0000000040)=[{r11}, {r10}, {r12}], 0x3, 0x6) sendmsg$NBD_CMD_CONNECT(r3, &(0x7f0000003600)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x80}, 0xc, &(0x7f00000035c0)={&(0x7f0000003540)={0x54, r8, 0x300, 0x70bd2b, 0x25dfdbfe, {}, [@NBD_ATTR_SOCKETS={0x2c, 0x7, [{0x8, 0x1, r9}, {0x8, 0x1, r11}, {0x8, 0x1, r0}, {0x8}, {0x8, 0x1, r0}]}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}]}, 0x54}, 0x1, 0x0, 0x0, 0x80000c0}, 0x4000000) 10:47:15 executing program 1: r0 = perf_event_open(&(0x7f0000940000)={0x2, 0x70, 0xfffffffffffffffd, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}}, 0x0, 0x0, 0xffffffffffffffff, 0x0) mmap(&(0x7f00004da000/0x1000)=nil, 0x1000, 0x0, 0x4000012, r0, 0x0) mincore(&(0x7f00003fa000/0x200000)=nil, 0x2001a0, &(0x7f0000000000)=""/222) 10:47:15 executing program 5: r0 = syz_open_dev$ndb(&(0x7f0000000040)='/dev/nbd#\x00', 0x0, 0x400) ioctl$BLKROGET(r0, 0x125e, &(0x7f0000000080)) socket$kcm(0x10, 0x2, 0x10) r1 = openat$pfkey(0xffffffffffffff9c, &(0x7f0000000000)='/proc/self/net/pfkey\x00', 0x202200, 0x0) sendmsg$kcm(r1, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000002940)=[{&(0x7f0000001580)="7149bf8398d943ee431de7789d5d95ca3fdfeaf7937d253db4c5ca6b5e52426c13255ffede16a55b984586151cb3487edc6ccc886c7a0f13a7fc1ebe32c475adba9e6a35ac1f3f5021b7f2d280d58eb7e43597b57f6d708bd2debaad48eb6c8326224b7b46a4485f955f382f330dfc4c871160796f91f4dc7addc520ff9ef5ed50cb92"}, {&(0x7f0000000240)="d62c773ae2c1b313be00ab4d8b4ce5"}, {&(0x7f00000002c0)="f42b861e45f18dc8cab9be6706b6b7f9ba3d18226cc94549518341ced650f9cb"}, {&(0x7f0000001640)="9e429689ffe6eb35d6369cd2b0f09e2eb8d33409187d88c275682026ddff1a040588f96f568707b7bc820b25f39f21fb4be527641b0a8218425d7ef166603e6ada9972762914b67847a1a99a8f1fe1a7f158ba153719e47fe00e2e51b231b0c05a36b59a4f2d022cc3fabdf20e900c4a6bc56e85529450660f443262c7cad764bda8b9203b7446e75b6e70a5ec6f008b9e80b62644ba089d5d1e06afdb2cc055cbecd973d8ba2242821f30961f154a8a84abe99538d629c701b02b25cb30e0de0d1cf89e2fd3fbfe0f82813bf22f5635e733dde13f83f516fab041335b0e007f14ac6fbc4d4fd298437c"}, {&(0x7f0000001740)="f127b5f63b4112d64e847d3a220e4ad6ab97005b88f2619c0c8fee57ecd4dc30786a13e0f1285bc4858f4f040ae7ea0ef94789f780bd3f269fcfbb106e0c4ba8654a4104ce86eedb961f7f7720a274cb8bc908a053d830abe3837eaab856ed54a2a0ca9227382a56f0291394e6b3aead46fadeb32b6a8e6ca51cbb784ff4868b"}, {&(0x7f00000017c0)="bea46d0ad60eb93f6e4f6393f45c927752ec2d454c8f97c35d20fc09d1afd2e747da2c3e1abee8ba79da50be282eb306de005d39988d7a8b353761f4f3f91338f32882a3b3b7a41ad6ff456e4be5dfb6e8d7ed56a85e3527a6175686be11"}, {&(0x7f0000001840)="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"}, {&(0x7f0000002840)="0cb9afcda02deea9fd6506dabba390afebceb7ca3340c9fb16083e7e0bc2a564f4e28d6c152ff7510ff18584515d39b36b1a6e4c1f6ebfa0f354b1dd4e18c15350b733cdcfbbcf4163002786d09271f2e7d1739a0e43baa4d1d9dc361bbefeb8b8ca7769bd0581085827e40c56342b95e58335eaa16c25ec36dd0686aa16ac39c09f402c61edd60455b21e1fd105457b77a9383f61e0be8f002e93dc29fc1662e3aef25ac0941de2545a71955980bb1129497b86337ccda1e71ea9a08332bb601a30aefe1b86d65d1abb1728ad"}], 0x5651b03}, 0x10) 10:47:15 executing program 4: ioctl$PERF_EVENT_IOC_ENABLE(0xffffffffffffffff, 0x8912, 0x400200) r0 = socket$inet6(0xa, 0x3, 0x6) setsockopt$inet6_IPV6_FLOWLABEL_MGR(r0, 0x29, 0x20, &(0x7f0000000300)={@mcast2, 0x10000, 0x0, 0x102, 0x8000003}, 0x20) r1 = socket$inet6_dccp(0xa, 0x6, 0x0) getsockopt$inet6_int(r1, 0x29, 0x3c, 0x0, &(0x7f00000015c0)) setsockopt$IP6T_SO_SET_REPLACE(r1, 0x29, 0x40, &(0x7f0000000340)=@filter={'filter\x00', 0xe, 0x4, 0x530, 0x148, 0x148, 0x0, 0x340, 0x0, 0x460, 0x460, 0x460, 0x460, 0x460, 0x4, &(0x7f0000000080), {[{{@uncond, 0x0, 0x120, 0x148, 0x0, {}, [@common=@icmp6={0x28, 'icmp6\x00', 0x0, {0xe, 0x4, 0x3, 0x1}}, @common=@frag={0x30, 'frag\x00', 0x0, {0x7fffffff, 0x41d, 0xff, 0x3}}]}, @REJECT={0x28, 'REJECT\x00'}}, {{@ipv6={@mcast2, @mcast1, [0xff, 0xff, 0xffffff00, 0xffffffff], [0x0, 0x0, 0x1fffffeff], 'team_slave_0\x00', 'netdevsim0\x00', {0x17e}, {0xff}, 0x27, 0x2, 0x2}, 0x0, 0x1d0, 0x1f8, 0x0, {}, [@common=@hbh={0x48, 'hbh\x00', 0x0, {0x40, 0x1, 0x2, [0x2, 0x3fc, 0x101, 0x8, 0x1, 0x5, 0xc5, 0xfff, 0x0, 0x0, 0x7, 0x8, 0x1f, 0x3f, 0x8]}}, @common=@unspec=@conntrack1={0xc0, 'conntrack\x00', 0x1, {{@ipv6=@mcast1, [0xff, 0xff000000, 0x1ff0001ff, 0x17fffff01], @ipv4=@multicast1, [0xf67a666d7e1f564a, 0x0, 0xffffffff, 0xff000000], @ipv6=@remote, [0xff, 0xff000000, 0x1fe00007f, 0xffffff00], @ipv6=@mcast1, [0x750ff95b17e38da0, 0xff, 0xffffffff], 0x7, 0x0, 0x3c, 0x4e24, 0x4e23, 0x4e21, 0x4e20, 0x482, 0x348}, 0x80, 0xc0361cc65bff5438}}]}, @common=@inet=@SET1={0x28, 'SET\x00', 0x1, {{0x1, 0x24}, {0x7, 0x81, 0x7}}}}, {{@uncond, 0x0, 0xf8, 0x120, 0x0, {}, [@common=@srh={0x30, 'srh\x00', 0x0, {0x5e, 0x3f, 0x72, 0x1, 0xf9, 0x800, 0x1100}}]}, @REJECT={0x28, 'REJECT\x00'}}], {{[], 0x0, 0xa8, 0xd0}, {0x28}}}}, 0x590) accept$inet(0xffffffffffffffff, &(0x7f0000000000)={0x2, 0x0, @local}, &(0x7f0000000040)=0x10) 10:47:15 executing program 3: mknod(&(0x7f0000000040)='./bus\x00', 0x2000000000001003, 0x0) r0 = open(&(0x7f0000000100)='./bus\x00', 0x20000000000b04, 0x0) r1 = epoll_create(0x7) epoll_ctl$EPOLL_CTL_ADD(r1, 0x1, r0, &(0x7f00000001c0)) r2 = socket$kcm(0x2b, 0x8000000000001, 0x0) ioctl$PERF_EVENT_IOC_ENABLE(r2, 0x8912, 0x400200) r3 = openat$vcs(0xffffffffffffff9c, &(0x7f0000000000)='/dev/vcs\x00', 0x0, 0x0) r4 = socket$nl_generic(0x10, 0x3, 0x10) poll(&(0x7f0000000040)=[{r3}, {r2}, {r4}], 0x3, 0x6) r5 = socket(0x2000000000000021, 0x2, 0x10000000000002) connect$rxrpc(r5, &(0x7f0000000140)=@in4={0x21, 0x0, 0x2, 0x10, {0x2, 0x0, @rand_addr=0xdd}}, 0x24) sendmmsg(r5, &(0x7f0000005c00)=[{{0x0, 0xfffffffffffffd95, 0x0, 0x0, &(0x7f0000000000)=ANY=[@ANYBLOB="18000800000000001001000001000000ec00000000000000"], 0x18}}], 0x1, 0x0) r6 = socket$inet6(0xa, 0x3, 0x6) mmap(&(0x7f0000ffd000/0x2000)=nil, 0x2000, 0x8, 0x810, r6, 0x0) setsockopt$inet6_IPV6_FLOWLABEL_MGR(r6, 0x29, 0x20, &(0x7f0000000080)={@loopback, 0x800, 0x0, 0x100000003, 0x1, 0x0, 0x0, 0x400000000}, 0x20) setsockopt$inet6_IPV6_FLOWLABEL_MGR(r6, 0x29, 0x20, &(0x7f0000000300)={@mcast2, 0x10000, 0x0, 0x102, 0x8000003}, 0x20) setsockopt$inet6_IPV6_FLOWLABEL_MGR(r6, 0x29, 0x20, &(0x7f0000000040)={@loopback, 0x0, 0x0, 0x1, 0x3}, 0x20) connect$inet6(r6, &(0x7f0000000500)={0xa, 0x0, 0x40f7, @mcast2}, 0x9) r7 = syz_open_procfs(0x0, &(0x7f0000000600)='net/ip6_flowlabel\x00n\xc01\x14\x894X\xed\xc1\xc9\xd8\xdcK\r\x8d\xae\x98&@\xd0\xe6\xbbQ\xd7\xffYn\x1c\x92\xde\x0e\xaa1\x91\x98\xe9\x1f\nMCi|+\xcdw\xf0\x176Z\xf1`\xac\xf3;\xd6d2\xeb\xe5\f\x0e\x8b\xda\xf7\xfc9\xfe\xff4\xef\'\xa19q\x93\"\x7fG3\xc1E\xe6e6\xc6\xc2u\x11% \xe7+0\x97\x84;\\\xda\xc4\x80\xc3\xb18N\xbfY%\x05\xf8\x85\x89\xfc\xd2\xd7') sendfile(r6, r7, &(0x7f0000000240)=0x202, 0x4000000000dc) r8 = syz_genetlink_get_family_id$nbd(&(0x7f0000000140)='nbd\x00') ioctl$KVM_S390_UCAS_UNMAP(r7, 0x4018ae51, &(0x7f00000000c0)={0x8000, 0x7ff, 0x2}) sendmsg$NBD_CMD_RECONFIGURE(r7, &(0x7f0000000200)={&(0x7f0000000100)={0x10, 0x0, 0x0, 0x80}, 0xc, &(0x7f00000001c0)={&(0x7f0000000180)={0x1ce, r8, 0xc05, 0x70bd29, 0x25dfdbff}, 0x14}, 0x1, 0x0, 0x0, 0x4}, 0x84) sendmsg$NBD_CMD_STATUS(r5, &(0x7f00000002c0)={&(0x7f0000000180)={0x10, 0x0, 0x0, 0x1000000}, 0xc, &(0x7f0000000280)={&(0x7f00000001c0)={0x28, r8, 0x10, 0x70bd25, 0x25dfdbfb, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x5}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x28}, 0x1, 0x0, 0x0, 0x8b29ba74f3c49941}, 0x4044) r9 = openat$audio(0xffffffffffffff9c, &(0x7f0000003500)='/dev/audio\x00', 0x200000, 0x0) r10 = socket$kcm(0x2b, 0x8000000000001, 0x0) ioctl$PERF_EVENT_IOC_ENABLE(r10, 0x8912, 0x400200) r11 = openat$vcs(0xffffffffffffff9c, &(0x7f0000000000)='/dev/vcs\x00', 0x0, 0x0) r12 = socket$nl_generic(0x10, 0x3, 0x10) poll(&(0x7f0000000040)=[{r11}, {r10}, {r12}], 0x3, 0x6) sendmsg$NBD_CMD_CONNECT(r3, &(0x7f0000003600)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x80}, 0xc, &(0x7f00000035c0)={&(0x7f0000003540)={0x54, r8, 0x300, 0x70bd2b, 0x25dfdbfe, {}, [@NBD_ATTR_SOCKETS={0x2c, 0x7, [{0x8, 0x1, r9}, {0x8, 0x1, r11}, {0x8, 0x1, r0}, {0x8}, {0x8, 0x1, r0}]}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}]}, 0x54}, 0x1, 0x0, 0x0, 0x80000c0}, 0x4000000) 10:47:15 executing program 5: r0 = socket$kcm(0x2b, 0x8000000000001, 0x0) ioctl$PERF_EVENT_IOC_ENABLE(r0, 0x8912, 0x400200) r1 = openat$vcs(0xffffffffffffff9c, &(0x7f0000000000)='/dev/vcs\x00', 0x0, 0x0) socket$nl_generic(0x10, 0x3, 0x10) poll(&(0x7f0000000040), 0x0, 0x6) ioctl$EVIOCGSW(r1, 0x8040451b, &(0x7f0000000080)=""/71) r2 = socket$kcm(0x10, 0x2, 0x10) sendmsg$kcm(r2, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000040)=[{&(0x7f0000000300)="1400000013000507ed008064d20010002e000080", 0x14}], 0x1}, 0x0) 10:47:15 executing program 4: r0 = socket$kcm(0x2b, 0x8000000000001, 0x0) ioctl$PERF_EVENT_IOC_ENABLE(r0, 0x8912, 0x400200) r1 = openat$vcs(0xffffffffffffff9c, &(0x7f0000000000)='/dev/vcs\x00', 0x0, 0x0) r2 = socket$nl_generic(0x10, 0x3, 0x10) poll(&(0x7f0000000040)=[{r1}, {r0}, {r2}], 0x3, 0x6) r3 = socket$kcm(0x2b, 0x8000000000001, 0x0) ioctl$PERF_EVENT_IOC_ENABLE(r3, 0x8912, 0x400200) r4 = openat$vcs(0xffffffffffffff9c, &(0x7f0000000000)='/dev/vcs\x00', 0x0, 0x0) r5 = socket$nl_generic(0x10, 0x3, 0x10) poll(&(0x7f0000000040)=[{r4}, {r3}, {r5}], 0x3, 0x6) ioctl$VIDIOC_QUERYSTD(r4, 0x8008563f, &(0x7f0000000000)=0x0) ioctl$VIDIOC_S_STD(r1, 0x40085618, &(0x7f0000000040)=r6) r7 = socket$kcm(0x2b, 0x8000000000001, 0x0) ioctl$PERF_EVENT_IOC_ENABLE(r7, 0x8912, 0x400200) r8 = socket$inet6(0xa, 0x3, 0x6) setsockopt$inet6_IPV6_FLOWLABEL_MGR(r8, 0x29, 0x20, &(0x7f0000000300)={@mcast2, 0x10000, 0x0, 0x102, 0x8000003}, 0x20) 10:47:15 executing program 1: r0 = perf_event_open(&(0x7f0000940000)={0x2, 0x70, 0xfffffffffffffffd, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}}, 0x0, 0x0, 0xffffffffffffffff, 0x0) mmap(&(0x7f00004da000/0x1000)=nil, 0x1000, 0x0, 0x4000012, r0, 0x0) mincore(&(0x7f00003fa000/0x200000)=nil, 0x2001a1, &(0x7f0000000000)=""/222) 10:47:15 executing program 3: mknod(&(0x7f0000000040)='./bus\x00', 0x2000000000001003, 0x0) r0 = open(&(0x7f0000000100)='./bus\x00', 0x20000000000b04, 0x0) r1 = epoll_create(0x7) epoll_ctl$EPOLL_CTL_ADD(r1, 0x1, r0, &(0x7f00000001c0)) r2 = socket$kcm(0x2b, 0x8000000000001, 0x0) ioctl$PERF_EVENT_IOC_ENABLE(r2, 0x8912, 0x400200) r3 = openat$vcs(0xffffffffffffff9c, &(0x7f0000000000)='/dev/vcs\x00', 0x0, 0x0) r4 = socket$nl_generic(0x10, 0x3, 0x10) poll(&(0x7f0000000040)=[{r3}, {r2}, {r4}], 0x3, 0x6) r5 = socket(0x2000000000000021, 0x2, 0x10000000000002) connect$rxrpc(r5, &(0x7f0000000140)=@in4={0x21, 0x0, 0x2, 0x10, {0x2, 0x0, @rand_addr=0xdd}}, 0x24) sendmmsg(r5, &(0x7f0000005c00)=[{{0x0, 0xfffffffffffffd95, 0x0, 0x0, &(0x7f0000000000)=ANY=[@ANYBLOB="18000800000000001001000001000000ec00000000000000"], 0x18}}], 0x1, 0x0) r6 = socket$inet6(0xa, 0x3, 0x6) mmap(&(0x7f0000ffd000/0x2000)=nil, 0x2000, 0x8, 0x810, r6, 0x0) setsockopt$inet6_IPV6_FLOWLABEL_MGR(r6, 0x29, 0x20, &(0x7f0000000080)={@loopback, 0x800, 0x0, 0x100000003, 0x1, 0x0, 0x0, 0x400000000}, 0x20) setsockopt$inet6_IPV6_FLOWLABEL_MGR(r6, 0x29, 0x20, &(0x7f0000000300)={@mcast2, 0x10000, 0x0, 0x102, 0x8000003}, 0x20) setsockopt$inet6_IPV6_FLOWLABEL_MGR(r6, 0x29, 0x20, &(0x7f0000000040)={@loopback, 0x0, 0x0, 0x1, 0x3}, 0x20) connect$inet6(r6, &(0x7f0000000500)={0xa, 0x0, 0x40f7, @mcast2}, 0x9) r7 = syz_open_procfs(0x0, &(0x7f0000000600)='net/ip6_flowlabel\x00n\xc01\x14\x894X\xed\xc1\xc9\xd8\xdcK\r\x8d\xae\x98&@\xd0\xe6\xbbQ\xd7\xffYn\x1c\x92\xde\x0e\xaa1\x91\x98\xe9\x1f\nMCi|+\xcdw\xf0\x176Z\xf1`\xac\xf3;\xd6d2\xeb\xe5\f\x0e\x8b\xda\xf7\xfc9\xfe\xff4\xef\'\xa19q\x93\"\x7fG3\xc1E\xe6e6\xc6\xc2u\x11% \xe7+0\x97\x84;\\\xda\xc4\x80\xc3\xb18N\xbfY%\x05\xf8\x85\x89\xfc\xd2\xd7') sendfile(r6, r7, &(0x7f0000000240)=0x202, 0x4000000000dc) r8 = syz_genetlink_get_family_id$nbd(&(0x7f0000000140)='nbd\x00') ioctl$KVM_S390_UCAS_UNMAP(r7, 0x4018ae51, &(0x7f00000000c0)={0x8000, 0x7ff, 0x2}) sendmsg$NBD_CMD_RECONFIGURE(r7, &(0x7f0000000200)={&(0x7f0000000100)={0x10, 0x0, 0x0, 0x80}, 0xc, &(0x7f00000001c0)={&(0x7f0000000180)={0x1ce, r8, 0xc05, 0x70bd29, 0x25dfdbff}, 0x14}, 0x1, 0x0, 0x0, 0x4}, 0x84) sendmsg$NBD_CMD_STATUS(r5, &(0x7f00000002c0)={&(0x7f0000000180)={0x10, 0x0, 0x0, 0x1000000}, 0xc, &(0x7f0000000280)={&(0x7f00000001c0)={0x28, r8, 0x10, 0x70bd25, 0x25dfdbfb, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x5}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x28}, 0x1, 0x0, 0x0, 0x8b29ba74f3c49941}, 0x4044) r9 = openat$audio(0xffffffffffffff9c, &(0x7f0000003500)='/dev/audio\x00', 0x200000, 0x0) r10 = socket$kcm(0x2b, 0x8000000000001, 0x0) ioctl$PERF_EVENT_IOC_ENABLE(r10, 0x8912, 0x400200) r11 = openat$vcs(0xffffffffffffff9c, &(0x7f0000000000)='/dev/vcs\x00', 0x0, 0x0) r12 = socket$nl_generic(0x10, 0x3, 0x10) poll(&(0x7f0000000040)=[{r11}, {r10}, {r12}], 0x3, 0x6) sendmsg$NBD_CMD_CONNECT(r3, &(0x7f0000003600)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x80}, 0xc, &(0x7f00000035c0)={&(0x7f0000003540)={0x54, r8, 0x300, 0x70bd2b, 0x25dfdbfe, {}, [@NBD_ATTR_SOCKETS={0x2c, 0x7, [{0x8, 0x1, r9}, {0x8, 0x1, r11}, {0x8, 0x1, r0}, {0x8}, {0x8, 0x1, r0}]}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}]}, 0x54}, 0x1, 0x0, 0x0, 0x80000c0}, 0x4000000) 10:47:15 executing program 5: r0 = socket$kcm(0x10, 0x2, 0x10) r1 = creat(&(0x7f0000000100)='./bus\x00', 0x0) ioctl$EXT4_IOC_SETFLAGS(r1, 0x40086602, &(0x7f0000000080)) r2 = creat(&(0x7f0000000100)='./bus\x00', 0x0) lseek(r2, 0x7ffffc, 0x0) write$binfmt_elf64(r2, &(0x7f0000000000)=ANY=[@ANYRESDEC], 0xfd14) fallocate(r2, 0x3, 0x80bffe, 0x28020001) fallocate(r1, 0x3, 0x0, 0x28020001) link(&(0x7f00000000c0)='./bus\x00', &(0x7f0000000140)='./bus\x00') sendmsg$kcm(r0, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000040)=[{&(0x7f0000000300)="1400000013000507ed008064d20010002e000080", 0x14}], 0x1}, 0x0) r3 = socket$kcm(0x2b, 0x8000000000001, 0x0) ioctl$PERF_EVENT_IOC_ENABLE(r3, 0x8912, 0x400200) r4 = openat$vcs(0xffffffffffffff9c, &(0x7f0000000000)='/dev/vcs\x00', 0x0, 0x0) r5 = socket$nl_generic(0x10, 0x3, 0x10) poll(&(0x7f0000000040)=[{r4}, {r3}, {r5}], 0x3, 0x6) getsockopt$inet6_mreq(0xffffffffffffffff, 0x29, 0x15, &(0x7f00000001c0)={@remote, 0x0}, &(0x7f0000000200)=0x14) sendmsg$nl_route_sched(r4, &(0x7f00000002c0)={&(0x7f0000000180)={0x10, 0x0, 0x0, 0x80}, 0xc, &(0x7f0000000240)={&(0x7f0000000340)=@newqdisc={0x58, 0x24, 0x2, 0x70bd2d, 0x25dfdbfe, {0x0, 0x0, 0x0, r6, {0x10, 0x5}, {0x8, 0x7}, {0xc, 0xbde174c8bc3284}}, [@TCA_INGRESS_BLOCK={0x8, 0xd, 0x5}, @qdisc_kind_options=@q_etf={{0x8, 0x1, 'etf\x00'}, {0x10, 0x2, @TCA_ETF_PARMS={0x3, 0x7, 0x6}}}, @TCA_EGRESS_BLOCK={0x8, 0xe, 0x9aea}, @TCA_INGRESS_BLOCK={0x8, 0xd, 0x6}]}, 0x58}, 0x1, 0x0, 0x0, 0xf5340f3459c284d5}, 0x40) 10:47:15 executing program 2: r0 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f00000000c0)='memory.events\x00', 0x26e1, 0x0) r1 = socket$kcm(0x2b, 0x8000000000001, 0x0) ioctl$PERF_EVENT_IOC_ENABLE(r1, 0x8912, 0x400200) r2 = openat$vcs(0xffffffffffffff9c, &(0x7f0000000000)='/dev/vcs\x00', 0x0, 0x0) r3 = socket$nl_generic(0x10, 0x3, 0x10) poll(&(0x7f0000000040)=[{r2}, {r1}, {r3}], 0x3, 0x6) r4 = openat$cgroup_ro(r2, &(0x7f0000000340)='cpuacct.usage_percpu\x00', 0x7a05, 0x1700) write$cgroup_subtree(r0, &(0x7f0000000600)=ANY=[@ANYPTR64], 0xfe9d) ioctl$FS_IOC_RESVSP(r0, 0x40305828, &(0x7f00000001c0)={0x0, 0x0, 0x0, 0xcf}) ioctl$FS_IOC_RESVSP(r4, 0x40305828, &(0x7f0000000180)={0x0, 0x0, 0xae15, 0xd8a}) ioctl$FS_IOC_SETFLAGS(r4, 0x40086602, &(0x7f0000000080)=0x9) socketpair$unix(0x1, 0x1, 0x0, &(0x7f0000000180)={0xffffffffffffffff, 0xffffffffffffffff}) r6 = dup(r5) ioctl$PERF_EVENT_IOC_ENABLE(r6, 0x8912, 0x400200) r7 = fcntl$dupfd(0xffffffffffffffff, 0x0, 0xffffffffffffffff) write$cgroup_pid(r4, &(0x7f0000000000), 0xfffffea6) r8 = socket$kcm(0x2b, 0x8000000000001, 0x0) ioctl$PERF_EVENT_IOC_ENABLE(r8, 0x8912, 0x400200) r9 = openat$vcs(0xffffffffffffff9c, &(0x7f0000000000)='/dev/vcs\x00', 0x0, 0x0) r10 = socket$nl_generic(0x10, 0x3, 0x10) poll(&(0x7f0000000040)=[{r9}, {r8}, {r10}], 0x3, 0x6) ioctl$DRM_IOCTL_GEM_OPEN(r9, 0xc010640b, &(0x7f0000000040)={0x0, 0x0, 0x4ed6b50a}) r12 = socket$kcm(0x2b, 0x8000000000001, 0x0) ioctl$PERF_EVENT_IOC_ENABLE(r12, 0x8912, 0x400200) r13 = openat$vcs(0xffffffffffffff9c, &(0x7f0000000000)='/dev/vcs\x00', 0x0, 0x0) r14 = socket$nl_generic(0x10, 0x3, 0x10) poll(&(0x7f0000000040)=[{r13}, {r12}, {r14}], 0x3, 0x6) ioctl$DRM_IOCTL_PRIME_FD_TO_HANDLE(r7, 0xc00c642e, &(0x7f0000000140)={r11, 0x80000, r13}) r15 = socket$kcm(0x2b, 0x8000000000001, 0x0) ioctl$PERF_EVENT_IOC_ENABLE(r15, 0x8912, 0x400200) r16 = openat$vcs(0xffffffffffffff9c, &(0x7f0000000000)='/dev/vcs\x00', 0x0, 0x0) r17 = socket$nl_generic(0x10, 0x3, 0x10) poll(&(0x7f0000000040)=[{r16}, {r15}, {r17}], 0x3, 0x6) ioctl$SCSI_IOCTL_PROBE_HOST(r16, 0x5385, &(0x7f0000000200)={0xb3, ""/179}) 10:47:15 executing program 1: r0 = perf_event_open(&(0x7f0000940000)={0x2, 0x70, 0xfffffffffffffffd, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}}, 0x0, 0x0, 0xffffffffffffffff, 0x0) mmap(&(0x7f00004da000/0x1000)=nil, 0x1000, 0x0, 0x4000012, r0, 0x0) mincore(&(0x7f00003fa000/0x200000)=nil, 0x2001a2, &(0x7f0000000000)=""/222) [ 981.339307][ C0] protocol 88fb is buggy, dev hsr_slave_0 [ 981.345111][ C0] protocol 88fb is buggy, dev hsr_slave_1 10:47:15 executing program 4: r0 = socket$kcm(0x2b, 0x8000000000001, 0x0) r1 = socket$kcm(0x2b, 0x8000000000001, 0x0) ioctl$PERF_EVENT_IOC_ENABLE(r1, 0x8912, 0x400200) r2 = openat$vcs(0xffffffffffffff9c, &(0x7f0000000000)='/dev/vcs\x00', 0x0, 0x0) r3 = socket$nl_generic(0x10, 0x3, 0x10) poll(&(0x7f0000000040)=[{r2}, {r1}, {r3}], 0x3, 0x6) ioctl$ASHMEM_SET_SIZE(r2, 0x40087703, 0x2) ioctl$PERF_EVENT_IOC_ENABLE(r0, 0x8912, 0x400200) r4 = socket$inet6(0xa, 0x3, 0x6) setsockopt$inet6_IPV6_FLOWLABEL_MGR(r4, 0x29, 0x20, &(0x7f0000000300)={@mcast2, 0x10000, 0x0, 0x102, 0x8000003}, 0x20) 10:47:15 executing program 3: mknod(&(0x7f0000000040)='./bus\x00', 0x2000000000001003, 0x0) r0 = open(&(0x7f0000000100)='./bus\x00', 0x20000000000b04, 0x0) r1 = epoll_create(0x7) epoll_ctl$EPOLL_CTL_ADD(r1, 0x1, r0, &(0x7f00000001c0)) r2 = socket$kcm(0x2b, 0x8000000000001, 0x0) ioctl$PERF_EVENT_IOC_ENABLE(r2, 0x8912, 0x400200) r3 = openat$vcs(0xffffffffffffff9c, &(0x7f0000000000)='/dev/vcs\x00', 0x0, 0x0) r4 = socket$nl_generic(0x10, 0x3, 0x10) poll(&(0x7f0000000040)=[{r3}, {r2}, {r4}], 0x3, 0x6) r5 = socket(0x2000000000000021, 0x2, 0x10000000000002) connect$rxrpc(r5, &(0x7f0000000140)=@in4={0x21, 0x0, 0x2, 0x10, {0x2, 0x0, @rand_addr=0xdd}}, 0x24) sendmmsg(r5, &(0x7f0000005c00)=[{{0x0, 0xfffffffffffffd95, 0x0, 0x0, &(0x7f0000000000)=ANY=[@ANYBLOB="18000800000000001001000001000000ec00000000000000"], 0x18}}], 0x1, 0x0) r6 = socket$inet6(0xa, 0x3, 0x6) mmap(&(0x7f0000ffd000/0x2000)=nil, 0x2000, 0x8, 0x810, r6, 0x0) setsockopt$inet6_IPV6_FLOWLABEL_MGR(r6, 0x29, 0x20, &(0x7f0000000080)={@loopback, 0x800, 0x0, 0x100000003, 0x1, 0x0, 0x0, 0x400000000}, 0x20) setsockopt$inet6_IPV6_FLOWLABEL_MGR(r6, 0x29, 0x20, &(0x7f0000000300)={@mcast2, 0x10000, 0x0, 0x102, 0x8000003}, 0x20) setsockopt$inet6_IPV6_FLOWLABEL_MGR(r6, 0x29, 0x20, &(0x7f0000000040)={@loopback, 0x0, 0x0, 0x1, 0x3}, 0x20) connect$inet6(r6, &(0x7f0000000500)={0xa, 0x0, 0x40f7, @mcast2}, 0x9) r7 = syz_open_procfs(0x0, &(0x7f0000000600)='net/ip6_flowlabel\x00n\xc01\x14\x894X\xed\xc1\xc9\xd8\xdcK\r\x8d\xae\x98&@\xd0\xe6\xbbQ\xd7\xffYn\x1c\x92\xde\x0e\xaa1\x91\x98\xe9\x1f\nMCi|+\xcdw\xf0\x176Z\xf1`\xac\xf3;\xd6d2\xeb\xe5\f\x0e\x8b\xda\xf7\xfc9\xfe\xff4\xef\'\xa19q\x93\"\x7fG3\xc1E\xe6e6\xc6\xc2u\x11% \xe7+0\x97\x84;\\\xda\xc4\x80\xc3\xb18N\xbfY%\x05\xf8\x85\x89\xfc\xd2\xd7') sendfile(r6, r7, &(0x7f0000000240)=0x202, 0x4000000000dc) r8 = syz_genetlink_get_family_id$nbd(&(0x7f0000000140)='nbd\x00') ioctl$KVM_S390_UCAS_UNMAP(r7, 0x4018ae51, &(0x7f00000000c0)={0x8000, 0x7ff, 0x2}) sendmsg$NBD_CMD_RECONFIGURE(r7, &(0x7f0000000200)={&(0x7f0000000100)={0x10, 0x0, 0x0, 0x80}, 0xc, &(0x7f00000001c0)={&(0x7f0000000180)={0x1ce, r8, 0xc05, 0x70bd29, 0x25dfdbff}, 0x14}, 0x1, 0x0, 0x0, 0x4}, 0x84) sendmsg$NBD_CMD_STATUS(r5, &(0x7f00000002c0)={&(0x7f0000000180)={0x10, 0x0, 0x0, 0x1000000}, 0xc, &(0x7f0000000280)={&(0x7f00000001c0)={0x28, r8, 0x10, 0x70bd25, 0x25dfdbfb, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x5}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x28}, 0x1, 0x0, 0x0, 0x8b29ba74f3c49941}, 0x4044) r9 = openat$audio(0xffffffffffffff9c, &(0x7f0000003500)='/dev/audio\x00', 0x200000, 0x0) r10 = socket$kcm(0x2b, 0x8000000000001, 0x0) ioctl$PERF_EVENT_IOC_ENABLE(r10, 0x8912, 0x400200) r11 = openat$vcs(0xffffffffffffff9c, &(0x7f0000000000)='/dev/vcs\x00', 0x0, 0x0) r12 = socket$nl_generic(0x10, 0x3, 0x10) poll(&(0x7f0000000040)=[{r11}, {r10}, {r12}], 0x3, 0x6) sendmsg$NBD_CMD_CONNECT(r3, &(0x7f0000003600)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x80}, 0xc, &(0x7f00000035c0)={&(0x7f0000003540)={0x54, r8, 0x300, 0x70bd2b, 0x25dfdbfe, {}, [@NBD_ATTR_SOCKETS={0x2c, 0x7, [{0x8, 0x1, r9}, {0x8, 0x1, r11}, {0x8, 0x1, r0}, {0x8}, {0x8, 0x1, r0}]}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}]}, 0x54}, 0x1, 0x0, 0x0, 0x80000c0}, 0x4000000) 10:47:16 executing program 5: r0 = socket$kcm(0x10, 0x2, 0x10) ioctl$RTC_WIE_ON(0xffffffffffffffff, 0x700f) sendmsg$kcm(r0, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000040)=[{&(0x7f0000000300)="1400000013000507ed008064d20010002e000080", 0x14}], 0x1}, 0x0) 10:47:16 executing program 1: r0 = perf_event_open(&(0x7f0000940000)={0x2, 0x70, 0xfffffffffffffffd, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}}, 0x0, 0x0, 0xffffffffffffffff, 0x0) mmap(&(0x7f00004da000/0x1000)=nil, 0x1000, 0x0, 0x4000012, r0, 0x0) mincore(&(0x7f00003fa000/0x200000)=nil, 0x2001a3, &(0x7f0000000000)=""/222) 10:47:16 executing program 4: ioctl$PERF_EVENT_IOC_ENABLE(0xffffffffffffffff, 0x8912, 0x400200) r0 = socket$inet6(0xa, 0x3, 0x6) setsockopt$inet6_IPV6_FLOWLABEL_MGR(r0, 0x29, 0x20, &(0x7f0000000300)={@mcast2, 0x10000, 0x0, 0x102, 0x8000003}, 0x20) 10:47:16 executing program 3: mknod(&(0x7f0000000040)='./bus\x00', 0x2000000000001003, 0x0) r0 = open(&(0x7f0000000100)='./bus\x00', 0x20000000000b04, 0x0) r1 = epoll_create(0x7) epoll_ctl$EPOLL_CTL_ADD(r1, 0x1, r0, &(0x7f00000001c0)) r2 = socket$kcm(0x2b, 0x8000000000001, 0x0) ioctl$PERF_EVENT_IOC_ENABLE(r2, 0x8912, 0x400200) r3 = openat$vcs(0xffffffffffffff9c, &(0x7f0000000000)='/dev/vcs\x00', 0x0, 0x0) r4 = socket$nl_generic(0x10, 0x3, 0x10) poll(&(0x7f0000000040)=[{r3}, {r2}, {r4}], 0x3, 0x6) r5 = socket(0x2000000000000021, 0x2, 0x10000000000002) connect$rxrpc(r5, &(0x7f0000000140)=@in4={0x21, 0x0, 0x2, 0x10, {0x2, 0x0, @rand_addr=0xdd}}, 0x24) sendmmsg(r5, &(0x7f0000005c00)=[{{0x0, 0xfffffffffffffd95, 0x0, 0x0, &(0x7f0000000000)=ANY=[@ANYBLOB="18000800000000001001000001000000ec00000000000000"], 0x18}}], 0x1, 0x0) r6 = socket$inet6(0xa, 0x3, 0x6) mmap(&(0x7f0000ffd000/0x2000)=nil, 0x2000, 0x8, 0x810, r6, 0x0) setsockopt$inet6_IPV6_FLOWLABEL_MGR(r6, 0x29, 0x20, &(0x7f0000000080)={@loopback, 0x800, 0x0, 0x100000003, 0x1, 0x0, 0x0, 0x400000000}, 0x20) setsockopt$inet6_IPV6_FLOWLABEL_MGR(r6, 0x29, 0x20, &(0x7f0000000300)={@mcast2, 0x10000, 0x0, 0x102, 0x8000003}, 0x20) setsockopt$inet6_IPV6_FLOWLABEL_MGR(r6, 0x29, 0x20, &(0x7f0000000040)={@loopback, 0x0, 0x0, 0x1, 0x3}, 0x20) connect$inet6(r6, &(0x7f0000000500)={0xa, 0x0, 0x40f7, @mcast2, 0x7ff}, 0x9) r7 = syz_open_procfs(0x0, 0x0) sendfile(r6, r7, &(0x7f0000000240)=0x202, 0x4000000000dc) r8 = syz_genetlink_get_family_id$nbd(&(0x7f0000000140)='nbd\x00') ioctl$KVM_S390_UCAS_UNMAP(r7, 0x4018ae51, &(0x7f00000000c0)={0x8000, 0x7ff, 0x2}) sendmsg$NBD_CMD_RECONFIGURE(r7, &(0x7f0000000200)={&(0x7f0000000100)={0x10, 0x0, 0x0, 0x80}, 0xc, &(0x7f00000001c0)={&(0x7f0000000180)={0x1ce, r8, 0xc05, 0x70bd29, 0x25dfdbff}, 0x14}, 0x1, 0x0, 0x0, 0x4}, 0x84) sendmsg$NBD_CMD_STATUS(r5, &(0x7f00000002c0)={&(0x7f0000000180)={0x10, 0x0, 0x0, 0x1000000}, 0xc, &(0x7f0000000280)={&(0x7f00000001c0)={0x28, r8, 0x10, 0x70bd25, 0x25dfdbfb, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x5}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x28}, 0x1, 0x0, 0x0, 0x8b29ba74f3c49941}, 0x4044) r9 = openat$audio(0xffffffffffffff9c, &(0x7f0000003500)='/dev/audio\x00', 0x200000, 0x0) r10 = socket$kcm(0x2b, 0x8000000000001, 0x0) ioctl$PERF_EVENT_IOC_ENABLE(r10, 0x8912, 0x400200) r11 = openat$vcs(0xffffffffffffff9c, &(0x7f0000000000)='/dev/vcs\x00', 0x0, 0x0) r12 = socket$nl_generic(0x10, 0x3, 0x10) poll(&(0x7f0000000040)=[{r11}, {r10}, {r12}], 0x3, 0x6) sendmsg$NBD_CMD_CONNECT(r3, &(0x7f0000003600)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x80}, 0xc, &(0x7f00000035c0)={&(0x7f0000003540)={0x54, r8, 0x300, 0x70bd2b, 0x25dfdbfe, {}, [@NBD_ATTR_SOCKETS={0x2c, 0x7, [{0x8, 0x1, r9}, {0x8, 0x1, r11}, {0x8, 0x1, r0}, {0x8}, {0x8, 0x1, r0}]}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}]}, 0x54}, 0x1, 0x0, 0x0, 0x80000c0}, 0x4000000) 10:47:16 executing program 5: r0 = openat$dlm_monitor(0xffffffffffffff9c, &(0x7f0000000000)='/dev/dlm-monitor\x00', 0x100, 0x0) setsockopt$inet_sctp_SCTP_HMAC_IDENT(r0, 0x84, 0x16, &(0x7f0000000080)={0x5, [0x400, 0x9ee2, 0x1, 0x5, 0x3]}, 0xe) r1 = socket$kcm(0x10, 0x2, 0x10) sendmsg$kcm(r1, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000040)=[{&(0x7f0000000300)="1400000013000507ed008064d20010002e000080", 0x14}], 0x1}, 0x0) 10:47:16 executing program 2: r0 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f00000000c0)='memory.events\x00', 0x26e1, 0x0) r1 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000100)='memory.events\x00', 0x7a05, 0x1700) write$cgroup_subtree(r0, &(0x7f0000000600)=ANY=[@ANYPTR64], 0xfe9d) ioctl$FS_IOC_RESVSP(r0, 0x40305828, &(0x7f00000001c0)={0x0, 0x0, 0x0, 0xcf}) ioctl$TUNSETSNDBUF(0xffffffffffffffff, 0x400454d4, &(0x7f0000000040)=0x9) ioctl$FS_IOC_RESVSP(r1, 0x40305828, &(0x7f0000000180)={0x0, 0x0, 0xae15, 0xd8a}) ioctl$FS_IOC_SETFLAGS(r1, 0x40086602, &(0x7f0000000080)=0x9) r2 = socket$nl_generic(0x10, 0x3, 0x10) r3 = syz_genetlink_get_family_id$tipc(&(0x7f0000000040)='TIPC\x00') sendmsg$TIPC_CMD_SHOW_LINK_STATS(r2, &(0x7f00000001c0)={0x0, 0xe, &(0x7f0000000180)={&(0x7f0000000100)={0x30, r3, 0x23f, 0x0, 0x0, {{}, 0x0, 0xb, 0x0, {0x14, 0x14, 'broadcast-link\x00'}}}, 0x30}}, 0x0) sendmsg$TIPC_CMD_GET_BEARER_NAMES(r1, &(0x7f0000000280)={&(0x7f0000000140)={0x10, 0x0, 0x0, 0x2000000}, 0xc, &(0x7f0000000240)={&(0x7f0000000200)={0x1c, r3, 0x10, 0x70bd29, 0x25dfdbff, {}, [""]}, 0x1c}, 0x1, 0x0, 0x0, 0x40000}, 0x4058081) socketpair$unix(0x1, 0x1, 0x0, &(0x7f0000000180)={0xffffffffffffffff, 0xffffffffffffffff}) r5 = dup(r4) ioctl$PERF_EVENT_IOC_ENABLE(r5, 0x8912, 0x400200) fcntl$dupfd(0xffffffffffffffff, 0x0, 0xffffffffffffffff) write$cgroup_pid(r1, &(0x7f0000000000), 0xfffffea6) [ 981.819189][ C1] protocol 88fb is buggy, dev hsr_slave_0 [ 981.824979][ C1] protocol 88fb is buggy, dev hsr_slave_1 10:47:16 executing program 4: r0 = socket$kcm(0x2b, 0x8000000000001, 0x0) socketpair(0x2, 0x800, 0x5, &(0x7f0000000000)={0xffffffffffffffff}) setsockopt$ALG_SET_AEAD_AUTHSIZE(r1, 0x117, 0x5, 0x0, 0x0) ioctl$PERF_EVENT_IOC_ENABLE(r0, 0x8912, 0x400200) r2 = socket$inet6(0xa, 0x3, 0x6) setsockopt$inet6_IPV6_FLOWLABEL_MGR(r2, 0x29, 0x20, &(0x7f0000000300)={@ipv4={[], [], @dev={0xac, 0x14, 0x14, 0x2a}}, 0xffff, 0x3, 0xfe, 0x8000001, 0x0, 0x9}, 0x20) 10:47:16 executing program 1: r0 = perf_event_open(&(0x7f0000940000)={0x2, 0x70, 0xfffffffffffffffd, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}}, 0x0, 0x0, 0xffffffffffffffff, 0x0) mmap(&(0x7f00004da000/0x1000)=nil, 0x1000, 0x0, 0x4000012, r0, 0x0) mincore(&(0x7f00003fa000/0x200000)=nil, 0x2001a4, &(0x7f0000000000)=""/222) 10:47:16 executing program 3: mknod(&(0x7f0000000040)='./bus\x00', 0x2000000000001003, 0x0) r0 = open(&(0x7f0000000100)='./bus\x00', 0x20000000000b04, 0x0) r1 = epoll_create(0x7) epoll_ctl$EPOLL_CTL_ADD(r1, 0x1, r0, &(0x7f00000001c0)) r2 = socket$kcm(0x2b, 0x8000000000001, 0x0) ioctl$PERF_EVENT_IOC_ENABLE(r2, 0x8912, 0x400200) r3 = openat$vcs(0xffffffffffffff9c, &(0x7f0000000000)='/dev/vcs\x00', 0x0, 0x0) r4 = socket$nl_generic(0x10, 0x3, 0x10) poll(&(0x7f0000000040)=[{r3}, {r2}, {r4}], 0x3, 0x6) r5 = socket(0x2000000000000021, 0x2, 0x10000000000002) connect$rxrpc(r5, &(0x7f0000000140)=@in4={0x21, 0x0, 0x2, 0x10, {0x2, 0x0, @rand_addr=0xdd}}, 0x24) sendmmsg(r5, &(0x7f0000005c00)=[{{0x0, 0xfffffffffffffd95, 0x0, 0x0, &(0x7f0000000000)=ANY=[@ANYBLOB="18000800000000001001000001000000ec00000000000000"], 0x18}}], 0x1, 0x0) r6 = socket$inet6(0xa, 0x3, 0x6) mmap(&(0x7f0000ffd000/0x2000)=nil, 0x2000, 0x8, 0x810, r6, 0x0) setsockopt$inet6_IPV6_FLOWLABEL_MGR(r6, 0x29, 0x20, &(0x7f0000000080)={@loopback, 0x800, 0x0, 0x100000003, 0x1, 0x0, 0x0, 0x400000000}, 0x20) setsockopt$inet6_IPV6_FLOWLABEL_MGR(r6, 0x29, 0x20, &(0x7f0000000300)={@mcast2, 0x10000, 0x0, 0x102, 0x8000003}, 0x20) setsockopt$inet6_IPV6_FLOWLABEL_MGR(r6, 0x29, 0x20, &(0x7f0000000040)={@loopback, 0x0, 0x0, 0x1, 0x3}, 0x20) connect$inet6(r6, &(0x7f0000000500)={0xa, 0x0, 0x40f7, @mcast2, 0x7ff}, 0x9) r7 = syz_open_procfs(0x0, 0x0) sendfile(r6, r7, &(0x7f0000000240)=0x202, 0x4000000000dc) r8 = syz_genetlink_get_family_id$nbd(&(0x7f0000000140)='nbd\x00') ioctl$KVM_S390_UCAS_UNMAP(r7, 0x4018ae51, &(0x7f00000000c0)={0x8000, 0x7ff, 0x2}) sendmsg$NBD_CMD_RECONFIGURE(r7, &(0x7f0000000200)={&(0x7f0000000100)={0x10, 0x0, 0x0, 0x80}, 0xc, &(0x7f00000001c0)={&(0x7f0000000180)={0x1ce, r8, 0xc05, 0x70bd29, 0x25dfdbff}, 0x14}, 0x1, 0x0, 0x0, 0x4}, 0x84) sendmsg$NBD_CMD_STATUS(r5, &(0x7f00000002c0)={&(0x7f0000000180)={0x10, 0x0, 0x0, 0x1000000}, 0xc, &(0x7f0000000280)={&(0x7f00000001c0)={0x28, r8, 0x10, 0x70bd25, 0x25dfdbfb, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x5}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x28}, 0x1, 0x0, 0x0, 0x8b29ba74f3c49941}, 0x4044) r9 = openat$audio(0xffffffffffffff9c, &(0x7f0000003500)='/dev/audio\x00', 0x200000, 0x0) r10 = socket$kcm(0x2b, 0x8000000000001, 0x0) ioctl$PERF_EVENT_IOC_ENABLE(r10, 0x8912, 0x400200) r11 = openat$vcs(0xffffffffffffff9c, &(0x7f0000000000)='/dev/vcs\x00', 0x0, 0x0) r12 = socket$nl_generic(0x10, 0x3, 0x10) poll(&(0x7f0000000040)=[{r11}, {r10}, {r12}], 0x3, 0x6) sendmsg$NBD_CMD_CONNECT(r3, &(0x7f0000003600)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x80}, 0xc, &(0x7f00000035c0)={&(0x7f0000003540)={0x54, r8, 0x300, 0x70bd2b, 0x25dfdbfe, {}, [@NBD_ATTR_SOCKETS={0x2c, 0x7, [{0x8, 0x1, r9}, {0x8, 0x1, r11}, {0x8, 0x1, r0}, {0x8}, {0x8, 0x1, r0}]}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}]}, 0x54}, 0x1, 0x0, 0x0, 0x80000c0}, 0x4000000) 10:47:16 executing program 5: r0 = socket$kcm(0x10, 0x2, 0x10) sendmsg$kcm(r0, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000040)=[{&(0x7f0000000300)="1400000013000507ed008064d20010002e000080", 0x14}], 0x1}, 0x0) r1 = openat$autofs(0xffffffffffffff9c, &(0x7f0000000000)='/dev/autofs\x00', 0xa040, 0x0) setsockopt$IP6T_SO_SET_REPLACE(r1, 0x29, 0x40, &(0x7f0000000340)=@raw={'raw\x00', 0x9, 0x3, 0x3d8, 0x0, 0x218, 0x0, 0x218, 0x0, 0x308, 0x308, 0x308, 0x308, 0x308, 0x3, &(0x7f0000000080), {[{{@uncond, 0x0, 0xf0, 0x218, 0x0, {}, [@inet=@rpfilter={0x28, 'rpfilter\x00', 0x0, {0x4}}]}, @common=@unspec=@SECMARK={0x128, 'SECMARK\x00', 0x0, {0x1, 0xffff, 'system_u:object_r:netutils_exec_t:s0\x00'}}}, {{@uncond, 0x0, 0xc8, 0xf0}, @common=@inet=@SET1={0x28, 'SET\x00', 0x1, {{0xf5e, 0x6, 0xff}, {0x3f, 0x89, 0x4}}}}], {{[], 0x0, 0xa8, 0xd0}, {0x28}}}}, 0x438) r2 = socket$kcm(0x2b, 0x8000000000001, 0x0) ioctl$PERF_EVENT_IOC_ENABLE(r2, 0x8912, 0x400200) r3 = openat$vcs(0xffffffffffffff9c, &(0x7f0000000000)='/dev/vcs\x00', 0x0, 0x0) r4 = socket$nl_generic(0x10, 0x3, 0x10) poll(&(0x7f0000000040)=[{r3}, {r2}, {r4}], 0x3, 0x6) r5 = socket$netlink(0x10, 0x3, 0x0) r6 = socket$kcm(0x2b, 0x8000000000001, 0x0) ioctl$PERF_EVENT_IOC_ENABLE(r6, 0x8912, 0x400200) r7 = openat$vcs(0xffffffffffffff9c, &(0x7f0000000000)='/dev/vcs\x00', 0x0, 0x0) r8 = socket$nl_generic(0x10, 0x3, 0x10) poll(&(0x7f0000000040)=[{r7}, {r6}, {r8}], 0x3, 0x6) ioctl$IMSETDEVNAME(r7, 0x80184947, &(0x7f0000000140)={0x5, 'syz0\x00'}) r9 = socket(0x10, 0x803, 0x0) getsockopt$SO_COOKIE(r8, 0x1, 0x39, &(0x7f00000002c0), &(0x7f0000000780)=0x8) sendmsg$NBD_CMD_DISCONNECT(r9, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r9, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r5, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000240)={&(0x7f0000000340)=@newlink={0x38, 0x10, 0x705, 0x0, 0x0, {}, [@IFLA_LINKINFO={0x18, 0x12, @vti={{0x8, 0x1, 'vti\x00'}, {0xc, 0x2, [@vti_common_policy=[@IFLA_VTI_LINK={0x8, 0x1, r10}]]}}}]}, 0x38}}, 0x0) setsockopt$packet_drop_memb(r3, 0x107, 0x2, &(0x7f00000000c0)={r10, 0x1, 0x6, @dev={[], 0xe}}, 0x10) [ 982.139202][ C1] protocol 88fb is buggy, dev hsr_slave_0 [ 982.144994][ C1] protocol 88fb is buggy, dev hsr_slave_1 10:47:16 executing program 2: r0 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f00000000c0)='memory.events\x00', 0x26e1, 0x0) r1 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000100)='memory.events\x00', 0x7a05, 0x1700) write$cgroup_subtree(r0, &(0x7f0000000600)=ANY=[@ANYPTR64], 0xfe9d) ioctl$FS_IOC_RESVSP(r0, 0x40305828, &(0x7f00000001c0)={0x0, 0x0, 0x0, 0xcf}) ioctl$FS_IOC_RESVSP(r1, 0x40305828, &(0x7f0000000180)={0x0, 0x0, 0xae15, 0xd8a}) ioctl$FS_IOC_SETFLAGS(r1, 0x40086602, &(0x7f0000000080)=0x9) socketpair$unix(0x1, 0x1, 0x0, &(0x7f0000000180)={0xffffffffffffffff, 0xffffffffffffffff}) r3 = dup(r2) ioctl$PERF_EVENT_IOC_ENABLE(r3, 0x8912, 0x400200) fcntl$dupfd(0xffffffffffffffff, 0xc0a, 0xffffffffffffffff) write$cgroup_pid(r1, &(0x7f0000000000), 0xfffffea6) r4 = syz_open_dev$amidi(&(0x7f0000000040)='/dev/amidi#\x00', 0x98ea, 0x20100) write$ppp(r4, &(0x7f0000000200)="3e3d7573d64ecdcb294ce1080d375983626c8a9870588d43bf43fd9d3f0629b6025061cf5cd2be202d1f58d3618d9990249fbd322d49b91f3d379dfe72758c2a9d1ee56b85b696eb080ac6aa20c471083e55ada76b451c1744faa2fed2d5936f05f4cbe49ef2568cb97abfef0ddeceddb1bac3b3bb5969ae389dc2e8be08a692b3599c581b1877f826c32b4f59a20e70b6fc4bee480f1b5040bb9d0fa69d2b8b0145c7dd96740c32b4164be9c5430e0d46b2bab0a9d3456a53e38679", 0xbc) 10:47:16 executing program 4: r0 = socket$kcm(0x2b, 0x8000000000001, 0x0) openat$ptmx(0xffffffffffffff9c, &(0x7f0000000000)='/dev/ptmx\x00', 0x280040, 0x0) ioctl$PERF_EVENT_IOC_ENABLE(r0, 0x8912, 0x400200) r1 = socket$inet6(0xa, 0x3, 0x6) setsockopt$inet6_IPV6_FLOWLABEL_MGR(r1, 0x29, 0x20, &(0x7f0000000300)={@mcast2, 0x10000, 0x0, 0x102, 0x8000003}, 0x20) 10:47:16 executing program 5: socket$kcm(0x10, 0x2, 0x10) semctl$IPC_INFO(0x0, 0x4, 0x3, &(0x7f0000000000)=""/49) 10:47:16 executing program 3: mknod(&(0x7f0000000040)='./bus\x00', 0x2000000000001003, 0x0) r0 = open(&(0x7f0000000100)='./bus\x00', 0x20000000000b04, 0x0) r1 = epoll_create(0x7) epoll_ctl$EPOLL_CTL_ADD(r1, 0x1, r0, &(0x7f00000001c0)) r2 = socket$kcm(0x2b, 0x8000000000001, 0x0) ioctl$PERF_EVENT_IOC_ENABLE(r2, 0x8912, 0x400200) r3 = openat$vcs(0xffffffffffffff9c, &(0x7f0000000000)='/dev/vcs\x00', 0x0, 0x0) r4 = socket$nl_generic(0x10, 0x3, 0x10) poll(&(0x7f0000000040)=[{r3}, {r2}, {r4}], 0x3, 0x6) r5 = socket(0x2000000000000021, 0x2, 0x10000000000002) connect$rxrpc(r5, &(0x7f0000000140)=@in4={0x21, 0x0, 0x2, 0x10, {0x2, 0x0, @rand_addr=0xdd}}, 0x24) sendmmsg(r5, &(0x7f0000005c00)=[{{0x0, 0xfffffffffffffd95, 0x0, 0x0, &(0x7f0000000000)=ANY=[@ANYBLOB="18000800000000001001000001000000ec00000000000000"], 0x18}}], 0x1, 0x0) r6 = socket$inet6(0xa, 0x3, 0x6) mmap(&(0x7f0000ffd000/0x2000)=nil, 0x2000, 0x8, 0x810, r6, 0x0) setsockopt$inet6_IPV6_FLOWLABEL_MGR(r6, 0x29, 0x20, &(0x7f0000000080)={@loopback, 0x800, 0x0, 0x100000003, 0x1, 0x0, 0x0, 0x400000000}, 0x20) setsockopt$inet6_IPV6_FLOWLABEL_MGR(r6, 0x29, 0x20, &(0x7f0000000300)={@mcast2, 0x10000, 0x0, 0x102, 0x8000003}, 0x20) setsockopt$inet6_IPV6_FLOWLABEL_MGR(r6, 0x29, 0x20, &(0x7f0000000040)={@loopback, 0x0, 0x0, 0x1, 0x3}, 0x20) connect$inet6(r6, &(0x7f0000000500)={0xa, 0x0, 0x40f7, @mcast2, 0x7ff}, 0x9) r7 = syz_open_procfs(0x0, 0x0) sendfile(r6, r7, &(0x7f0000000240)=0x202, 0x4000000000dc) r8 = syz_genetlink_get_family_id$nbd(&(0x7f0000000140)='nbd\x00') ioctl$KVM_S390_UCAS_UNMAP(r7, 0x4018ae51, &(0x7f00000000c0)={0x8000, 0x7ff, 0x2}) sendmsg$NBD_CMD_RECONFIGURE(r7, &(0x7f0000000200)={&(0x7f0000000100)={0x10, 0x0, 0x0, 0x80}, 0xc, &(0x7f00000001c0)={&(0x7f0000000180)={0x1ce, r8, 0xc05, 0x70bd29, 0x25dfdbff}, 0x14}, 0x1, 0x0, 0x0, 0x4}, 0x84) sendmsg$NBD_CMD_STATUS(r5, &(0x7f00000002c0)={&(0x7f0000000180)={0x10, 0x0, 0x0, 0x1000000}, 0xc, &(0x7f0000000280)={&(0x7f00000001c0)={0x28, r8, 0x10, 0x70bd25, 0x25dfdbfb, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x5}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x28}, 0x1, 0x0, 0x0, 0x8b29ba74f3c49941}, 0x4044) r9 = openat$audio(0xffffffffffffff9c, &(0x7f0000003500)='/dev/audio\x00', 0x200000, 0x0) r10 = socket$kcm(0x2b, 0x8000000000001, 0x0) ioctl$PERF_EVENT_IOC_ENABLE(r10, 0x8912, 0x400200) r11 = openat$vcs(0xffffffffffffff9c, &(0x7f0000000000)='/dev/vcs\x00', 0x0, 0x0) r12 = socket$nl_generic(0x10, 0x3, 0x10) poll(&(0x7f0000000040)=[{r11}, {r10}, {r12}], 0x3, 0x6) sendmsg$NBD_CMD_CONNECT(r3, &(0x7f0000003600)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x80}, 0xc, &(0x7f00000035c0)={&(0x7f0000003540)={0x54, r8, 0x300, 0x70bd2b, 0x25dfdbfe, {}, [@NBD_ATTR_SOCKETS={0x2c, 0x7, [{0x8, 0x1, r9}, {0x8, 0x1, r11}, {0x8, 0x1, r0}, {0x8}, {0x8, 0x1, r0}]}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}]}, 0x54}, 0x1, 0x0, 0x0, 0x80000c0}, 0x4000000) 10:47:16 executing program 1: r0 = perf_event_open(&(0x7f0000940000)={0x2, 0x70, 0xfffffffffffffffd, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}}, 0x0, 0x0, 0xffffffffffffffff, 0x0) mmap(&(0x7f00004da000/0x1000)=nil, 0x1000, 0x0, 0x4000012, r0, 0x0) mincore(&(0x7f00003fa000/0x200000)=nil, 0x2001a5, &(0x7f0000000000)=""/222) 10:47:17 executing program 4: syz_open_dev$dspn(&(0x7f0000000000)='/dev/dsp#\x00', 0x80000000, 0x4200) r0 = socket(0x200000000000011, 0x4000000000080002, 0x0) recvmmsg(0xffffffffffffffff, &(0x7f0000004300), 0x0, 0x0, 0x0) ioctl$FS_IOC_FIEMAP(0xffffffffffffffff, 0xc020660b, &(0x7f0000000340)=ANY=[@ANYBLOB="00000000000000000000000000000000000000000000000004000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000006ba731ef0000000000000000000000000000000000000000000000000000000000f7ffffffffffffff00"/256]) ioctl$sock_SIOCGIFINDEX(r0, 0x8933, &(0x7f0000000000)={'lo\x00', 0x0}) bind$packet(r0, &(0x7f0000000040)={0x11, 0x0, r1, 0x1, 0x0, 0x6, @local}, 0x14) sendmmsg(r0, &(0x7f0000000d00), 0x1bdd307, 0x0) socket$kcm(0x2b, 0x8000000000001, 0x0) ioctl$PERF_EVENT_IOC_ENABLE(0xffffffffffffffff, 0x8912, 0x400200) r2 = socket$inet6(0xa, 0x3, 0x6) ioctl$EXT4_IOC_MOVE_EXT(0xffffffffffffffff, 0xc028660f, &(0x7f0000004ac0)={0x0, 0xffffffffffffffff, 0x400, 0x7fffffff, 0x9, 0x1}) setsockopt$inet6_IPV6_FLOWLABEL_MGR(r2, 0x29, 0x20, &(0x7f0000000300)={@ipv4={[], [], @dev={0xac, 0x14, 0x14, 0x20}}, 0x10000, 0x3, 0x102, 0x8000003}, 0xffffffffffffffd2) [ 982.539182][ C1] protocol 88fb is buggy, dev hsr_slave_0 [ 982.545011][ C1] protocol 88fb is buggy, dev hsr_slave_1 10:47:17 executing program 5: prctl$PR_SVE_SET_VL(0x32, 0x7cf4) r0 = socket$kcm(0x10, 0x2, 0x10) sendmsg$kcm(r0, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000040)=[{&(0x7f0000000300)="3a1e1f61f635d52f5f6f5dffb75241a969070080", 0x14}], 0x1}, 0x20000000) 10:47:17 executing program 3: mknod(&(0x7f0000000040)='./bus\x00', 0x2000000000001003, 0x0) r0 = open(&(0x7f0000000100)='./bus\x00', 0x20000000000b04, 0x0) r1 = epoll_create(0x7) epoll_ctl$EPOLL_CTL_ADD(r1, 0x1, r0, &(0x7f00000001c0)) r2 = socket$kcm(0x2b, 0x8000000000001, 0x0) ioctl$PERF_EVENT_IOC_ENABLE(r2, 0x8912, 0x400200) r3 = openat$vcs(0xffffffffffffff9c, &(0x7f0000000000)='/dev/vcs\x00', 0x0, 0x0) r4 = socket$nl_generic(0x10, 0x3, 0x10) poll(&(0x7f0000000040)=[{r3}, {r2}, {r4}], 0x3, 0x6) r5 = socket(0x2000000000000021, 0x2, 0x10000000000002) connect$rxrpc(r5, &(0x7f0000000140)=@in4={0x21, 0x0, 0x2, 0x10, {0x2, 0x0, @rand_addr=0xdd}}, 0x24) sendmmsg(r5, &(0x7f0000005c00)=[{{0x0, 0xfffffffffffffd95, 0x0, 0x0, &(0x7f0000000000)=ANY=[@ANYBLOB="18000800000000001001000001000000ec00000000000000"], 0x18}}], 0x1, 0x0) r6 = socket$inet6(0xa, 0x3, 0x6) mmap(&(0x7f0000ffd000/0x2000)=nil, 0x2000, 0x8, 0x810, r6, 0x0) setsockopt$inet6_IPV6_FLOWLABEL_MGR(r6, 0x29, 0x20, &(0x7f0000000080)={@loopback, 0x800, 0x0, 0x100000003, 0x1, 0x0, 0x0, 0x400000000}, 0x20) setsockopt$inet6_IPV6_FLOWLABEL_MGR(r6, 0x29, 0x20, &(0x7f0000000300)={@mcast2, 0x10000, 0x0, 0x102, 0x8000003}, 0x20) setsockopt$inet6_IPV6_FLOWLABEL_MGR(r6, 0x29, 0x20, &(0x7f0000000040)={@loopback, 0x0, 0x0, 0x1, 0x3}, 0x20) connect$inet6(r6, &(0x7f0000000500)={0xa, 0x0, 0x40f7, @mcast2, 0x7ff}, 0x9) r7 = syz_open_procfs(0x0, &(0x7f0000000600)='net/ip6_flowlabel\x00n\xc01\x14\x894X\xed\xc1\xc9\xd8\xdcK\r\x8d\xae\x98&@\xd0\xe6\xbbQ\xd7\xffYn\x1c\x92\xde\x0e\xaa1\x91\x98\xe9\x1f\nMCi|+\xcdw\xf0\x176Z\xf1`\xac\xf3;\xd6d2\xeb\xe5\f\x0e\x8b\xda\xf7\xfc9\xfe\xff4\xef\'\xa19q\x93\"\x7fG3\xc1E\xe6e6\xc6\xc2u\x11% \xe7+0\x97\x84;\\\xda\xc4\x80\xc3\xb18N\xbfY%\x05\xf8\x85\x89\xfc\xd2\xd7') sendfile(0xffffffffffffffff, r7, &(0x7f0000000240)=0x202, 0x4000000000dc) r8 = syz_genetlink_get_family_id$nbd(&(0x7f0000000140)='nbd\x00') ioctl$KVM_S390_UCAS_UNMAP(r7, 0x4018ae51, &(0x7f00000000c0)={0x8000, 0x7ff, 0x2}) sendmsg$NBD_CMD_RECONFIGURE(r7, &(0x7f0000000200)={&(0x7f0000000100)={0x10, 0x0, 0x0, 0x80}, 0xc, &(0x7f00000001c0)={&(0x7f0000000180)={0x1ce, r8, 0xc05, 0x70bd29, 0x25dfdbff}, 0x14}, 0x1, 0x0, 0x0, 0x4}, 0x84) sendmsg$NBD_CMD_STATUS(r5, &(0x7f00000002c0)={&(0x7f0000000180)={0x10, 0x0, 0x0, 0x1000000}, 0xc, &(0x7f0000000280)={&(0x7f00000001c0)={0x28, r8, 0x10, 0x70bd25, 0x25dfdbfb, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x5}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x28}, 0x1, 0x0, 0x0, 0x8b29ba74f3c49941}, 0x4044) r9 = openat$audio(0xffffffffffffff9c, &(0x7f0000003500)='/dev/audio\x00', 0x200000, 0x0) r10 = socket$kcm(0x2b, 0x8000000000001, 0x0) ioctl$PERF_EVENT_IOC_ENABLE(r10, 0x8912, 0x400200) r11 = openat$vcs(0xffffffffffffff9c, &(0x7f0000000000)='/dev/vcs\x00', 0x0, 0x0) r12 = socket$nl_generic(0x10, 0x3, 0x10) poll(&(0x7f0000000040)=[{r11}, {r10}, {r12}], 0x3, 0x6) sendmsg$NBD_CMD_CONNECT(r3, &(0x7f0000003600)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x80}, 0xc, &(0x7f00000035c0)={&(0x7f0000003540)={0x54, r8, 0x300, 0x70bd2b, 0x25dfdbfe, {}, [@NBD_ATTR_SOCKETS={0x2c, 0x7, [{0x8, 0x1, r9}, {0x8, 0x1, r11}, {0x8, 0x1, r0}, {0x8}, {0x8, 0x1, r0}]}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}]}, 0x54}, 0x1, 0x0, 0x0, 0x80000c0}, 0x4000000) 10:47:17 executing program 1: r0 = perf_event_open(&(0x7f0000940000)={0x2, 0x70, 0xfffffffffffffffd, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}}, 0x0, 0x0, 0xffffffffffffffff, 0x0) mmap(&(0x7f00004da000/0x1000)=nil, 0x1000, 0x0, 0x4000012, r0, 0x0) mincore(&(0x7f00003fa000/0x200000)=nil, 0x2001a6, &(0x7f0000000000)=""/222) 10:47:17 executing program 2: r0 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f00000000c0)='memory.events\x00', 0x26e1, 0x0) r1 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000100)='memory.events\x00', 0x7a05, 0x1700) r2 = socket$kcm(0x2b, 0x8000000000001, 0x0) ioctl$PERF_EVENT_IOC_ENABLE(r2, 0x8912, 0x400200) r3 = openat$vcs(0xffffffffffffff9c, &(0x7f0000000000)='/dev/vcs\x00', 0x0, 0x0) r4 = socket$nl_generic(0x10, 0x3, 0x10) poll(&(0x7f0000000040)=[{r3}, {r2}, {r4}], 0x3, 0x6) write$P9_RXATTRWALK(r3, &(0x7f0000000240)={0xf, 0x1f, 0x1, 0x20}, 0xf) write$cgroup_subtree(r0, &(0x7f0000000600)=ANY=[@ANYPTR64], 0xfe9d) ioctl$FS_IOC_RESVSP(r0, 0x40305828, &(0x7f00000001c0)={0x0, 0x0, 0x0, 0xcf}) ioctl$FS_IOC_RESVSP(r1, 0x40305828, &(0x7f0000000180)={0x0, 0x0, 0xae15, 0xd8a}) ioctl$FS_IOC_SETFLAGS(r1, 0x40086602, &(0x7f0000000080)=0x9) socketpair$unix(0x1, 0x0, 0x0, &(0x7f0000000180)={0xffffffffffffffff, 0xffffffffffffffff}) r6 = dup(r5) ioctl$PERF_EVENT_IOC_ENABLE(r6, 0x8912, 0x400200) fcntl$dupfd(0xffffffffffffffff, 0x0, 0xffffffffffffffff) write$cgroup_pid(r1, &(0x7f0000000000), 0xfffffea6) r7 = socket$kcm(0x2b, 0x8000000000001, 0x0) ioctl$PERF_EVENT_IOC_ENABLE(r7, 0x8912, 0x400200) r8 = openat$vcs(0xffffffffffffff9c, &(0x7f0000000000)='/dev/vcs\x00', 0x0, 0x0) r9 = socket$nl_generic(0x10, 0x3, 0x10) r10 = openat$sequencer(0xffffffffffffff9c, &(0x7f0000000140)='/dev/sequencer\x00', 0xfe4fc6c1c6b4aa03, 0x0) ioctl$SNDRV_RAWMIDI_IOCTL_PVERSION(r10, 0x80045700, &(0x7f0000000200)) rt_sigaction(0x2, &(0x7f0000000300)={&(0x7f0000000280)="6583c930653687fdc441fb127900c46169e95f00c4c1c1c23f0a8fa8589e4700d1c401f97e764a8fa84085ce03c46288f35c8ff20fae7601", {0x5}, 0x80000001, &(0x7f00000002c0)="660f38317627c4c37909cd08420faea200080000c48111d5828100000066440f5b440000c401f877c462919ff5f3400faef72e460f1afb2e65440f77"}, &(0x7f0000000400)={&(0x7f0000000340)="2e3ed1a899899999c4a2252ca8f45c0000c462cd96ab060000003e440f580d0000000046836b4e486726660f38148c1d3639000081f200000000c4c2a5ac6beb8f8828cd0fa0660f6dda", {}, 0x0, &(0x7f00000003c0)="81995bd9000001000000f2ddcdc482299ed583900f00000007660f3a14968b0000001128dc660f3a0f448c9100c4216dd1ff67660f3829448d00453dbcffffff"}, 0x8, &(0x7f0000000440)) r11 = socket$inet6_dccp(0xa, 0x6, 0x0) getsockopt$inet6_int(r11, 0x29, 0x3c, 0x0, &(0x7f00000015c0)) poll(&(0x7f0000000040)=[{r11}, {r7}, {r9, 0x1020}], 0x20000000000001f0, 0xfa85) r12 = socket$kcm(0x2b, 0x8000000000001, 0x0) ioctl$PERF_EVENT_IOC_ENABLE(r12, 0x8912, 0x400200) r13 = openat$vcs(0xffffffffffffff9c, &(0x7f0000000000)='/dev/vcs\x00', 0x0, 0x0) r14 = socket$nl_generic(0x10, 0x3, 0x10) poll(&(0x7f0000000040)=[{r13}, {r12}, {r14}], 0x3, 0x6) r15 = accept4$inet(r13, &(0x7f0000000480)={0x2, 0x0, @multicast2}, &(0x7f00000004c0)=0x10, 0x800) r16 = socket$kcm(0x2b, 0x8000000000001, 0x0) ioctl$PERF_EVENT_IOC_ENABLE(r16, 0x8912, 0x400200) r17 = openat$vcs(0xffffffffffffff9c, &(0x7f0000000000)='/dev/vcs\x00', 0x0, 0x0) r18 = socket$nl_generic(0x10, 0x3, 0x10) poll(&(0x7f0000000040)=[{r17}, {r16}, {r18}], 0x3, 0x6) r19 = socket$inet6(0xa, 0x2, 0x0) connect$inet6(r19, &(0x7f0000003a40)={0xa, 0x4e24, 0x0, @ipv4={[], [], @loopback}}, 0x1c) sendmmsg(r19, &(0x7f00000092c0), 0x4ff, 0xbb8) r20 = socket$inet6_sctp(0xa, 0x5, 0x84) setsockopt$inet_sctp6_SCTP_SOCKOPT_CONNECTX(r20, 0x84, 0x6e, &(0x7f0000961fe4)=[@in={0x2, 0x0, @dev}], 0x10) getsockopt$inet_sctp6_SCTP_GET_ASSOC_ID_LIST(r20, 0x84, 0x1d, &(0x7f000095dff8)={0x1, [0x0]}, &(0x7f000095dffc)=0x8) setsockopt$inet_sctp6_SCTP_PEER_ADDR_THLDS(r20, 0x84, 0x1f, &(0x7f0000000000)={r21, @in, 0xa9}, 0x90) getsockopt$inet_sctp6_SCTP_RECONFIG_SUPPORTED(r19, 0x84, 0x75, &(0x7f0000000100)={r21, 0x7ff}, &(0x7f0000000200)=0x8) getsockopt$inet_sctp_SCTP_DEFAULT_SNDINFO(r17, 0x84, 0x22, &(0x7f0000000500)={0x4, 0x0, 0x3, 0x3, r21}, &(0x7f0000000540)=0x10) setsockopt$inet_sctp_SCTP_STREAM_SCHEDULER(r15, 0x84, 0x7b, &(0x7f0000000580)={r22, 0x3f}, 0x8) ioctl$SNDRV_CTL_IOCTL_TLV_WRITE(r8, 0xc008551b, &(0x7f0000000040)={0x8, 0x8, [0x400, 0xfe]}) 10:47:17 executing program 5: r0 = socket$kcm(0x10, 0x2, 0x10) sendmsg$kcm(r0, &(0x7f0000000280)={0x0, 0x3be, &(0x7f0000000040)=[{&(0x7f0000000300)="1400000013000507ed008064d20010002e000080", 0xffffffffffffff32}], 0x1, 0x0, 0x17b}, 0x0) 10:47:17 executing program 5: chroot(&(0x7f0000000000)='./file0\x00') r0 = socket$kcm(0x10, 0x2, 0x10) sendmsg$kcm(r0, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000040)=[{&(0x7f0000000300)="1400000013000507ed008064d20010002e000080", 0x14}], 0x1}, 0x0) ioctl$BLKTRACESTART(r0, 0x1274, 0x0) 10:47:17 executing program 3: mknod(&(0x7f0000000040)='./bus\x00', 0x2000000000001003, 0x0) r0 = open(&(0x7f0000000100)='./bus\x00', 0x20000000000b04, 0x0) r1 = epoll_create(0x7) epoll_ctl$EPOLL_CTL_ADD(r1, 0x1, r0, &(0x7f00000001c0)) r2 = socket$kcm(0x2b, 0x8000000000001, 0x0) ioctl$PERF_EVENT_IOC_ENABLE(r2, 0x8912, 0x400200) r3 = openat$vcs(0xffffffffffffff9c, &(0x7f0000000000)='/dev/vcs\x00', 0x0, 0x0) r4 = socket$nl_generic(0x10, 0x3, 0x10) poll(&(0x7f0000000040)=[{r3}, {r2}, {r4}], 0x3, 0x6) r5 = socket(0x2000000000000021, 0x2, 0x10000000000002) connect$rxrpc(r5, &(0x7f0000000140)=@in4={0x21, 0x0, 0x2, 0x10, {0x2, 0x0, @rand_addr=0xdd}}, 0x24) sendmmsg(r5, &(0x7f0000005c00)=[{{0x0, 0xfffffffffffffd95, 0x0, 0x0, &(0x7f0000000000)=ANY=[@ANYBLOB="18000800000000001001000001000000ec00000000000000"], 0x18}}], 0x1, 0x0) r6 = socket$inet6(0xa, 0x3, 0x6) mmap(&(0x7f0000ffd000/0x2000)=nil, 0x2000, 0x8, 0x810, r6, 0x0) setsockopt$inet6_IPV6_FLOWLABEL_MGR(r6, 0x29, 0x20, &(0x7f0000000080)={@loopback, 0x800, 0x0, 0x100000003, 0x1, 0x0, 0x0, 0x400000000}, 0x20) setsockopt$inet6_IPV6_FLOWLABEL_MGR(r6, 0x29, 0x20, &(0x7f0000000300)={@mcast2, 0x10000, 0x0, 0x102, 0x8000003}, 0x20) setsockopt$inet6_IPV6_FLOWLABEL_MGR(r6, 0x29, 0x20, &(0x7f0000000040)={@loopback, 0x0, 0x0, 0x1, 0x3}, 0x20) connect$inet6(r6, &(0x7f0000000500)={0xa, 0x0, 0x40f7, @mcast2, 0x7ff}, 0x9) r7 = syz_open_procfs(0x0, &(0x7f0000000600)='net/ip6_flowlabel\x00n\xc01\x14\x894X\xed\xc1\xc9\xd8\xdcK\r\x8d\xae\x98&@\xd0\xe6\xbbQ\xd7\xffYn\x1c\x92\xde\x0e\xaa1\x91\x98\xe9\x1f\nMCi|+\xcdw\xf0\x176Z\xf1`\xac\xf3;\xd6d2\xeb\xe5\f\x0e\x8b\xda\xf7\xfc9\xfe\xff4\xef\'\xa19q\x93\"\x7fG3\xc1E\xe6e6\xc6\xc2u\x11% \xe7+0\x97\x84;\\\xda\xc4\x80\xc3\xb18N\xbfY%\x05\xf8\x85\x89\xfc\xd2\xd7') sendfile(0xffffffffffffffff, r7, &(0x7f0000000240)=0x202, 0x4000000000dc) r8 = syz_genetlink_get_family_id$nbd(&(0x7f0000000140)='nbd\x00') ioctl$KVM_S390_UCAS_UNMAP(r7, 0x4018ae51, &(0x7f00000000c0)={0x8000, 0x7ff, 0x2}) sendmsg$NBD_CMD_RECONFIGURE(r7, &(0x7f0000000200)={&(0x7f0000000100)={0x10, 0x0, 0x0, 0x80}, 0xc, &(0x7f00000001c0)={&(0x7f0000000180)={0x1ce, r8, 0xc05, 0x70bd29, 0x25dfdbff}, 0x14}, 0x1, 0x0, 0x0, 0x4}, 0x84) sendmsg$NBD_CMD_STATUS(r5, &(0x7f00000002c0)={&(0x7f0000000180)={0x10, 0x0, 0x0, 0x1000000}, 0xc, &(0x7f0000000280)={&(0x7f00000001c0)={0x28, r8, 0x10, 0x70bd25, 0x25dfdbfb, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x5}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x28}, 0x1, 0x0, 0x0, 0x8b29ba74f3c49941}, 0x4044) r9 = openat$audio(0xffffffffffffff9c, &(0x7f0000003500)='/dev/audio\x00', 0x200000, 0x0) r10 = socket$kcm(0x2b, 0x8000000000001, 0x0) ioctl$PERF_EVENT_IOC_ENABLE(r10, 0x8912, 0x400200) r11 = openat$vcs(0xffffffffffffff9c, &(0x7f0000000000)='/dev/vcs\x00', 0x0, 0x0) r12 = socket$nl_generic(0x10, 0x3, 0x10) poll(&(0x7f0000000040)=[{r11}, {r10}, {r12}], 0x3, 0x6) sendmsg$NBD_CMD_CONNECT(r3, &(0x7f0000003600)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x80}, 0xc, &(0x7f00000035c0)={&(0x7f0000003540)={0x54, r8, 0x300, 0x70bd2b, 0x25dfdbfe, {}, [@NBD_ATTR_SOCKETS={0x2c, 0x7, [{0x8, 0x1, r9}, {0x8, 0x1, r11}, {0x8, 0x1, r0}, {0x8}, {0x8, 0x1, r0}]}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}]}, 0x54}, 0x1, 0x0, 0x0, 0x80000c0}, 0x4000000) 10:47:17 executing program 1: r0 = perf_event_open(&(0x7f0000940000)={0x2, 0x70, 0xfffffffffffffffd, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}}, 0x0, 0x0, 0xffffffffffffffff, 0x0) mmap(&(0x7f00004da000/0x1000)=nil, 0x1000, 0x0, 0x4000012, r0, 0x0) mincore(&(0x7f00003fa000/0x200000)=nil, 0x2001a7, &(0x7f0000000000)=""/222) 10:47:17 executing program 5: socket$kcm(0x10, 0x2, 0x10) r0 = socket$kcm(0x2b, 0x8000000000001, 0x0) ioctl$PERF_EVENT_IOC_ENABLE(r0, 0x8912, 0x400200) ioctl$sock_SIOCSIFVLAN_SET_VLAN_EGRESS_PRIORITY_CMD(r0, 0x8983, &(0x7f0000000180)={0x3, 'yam0\x00', {}, 0x55}) r1 = openat$vcs(0xffffffffffffff9c, &(0x7f0000000000)='/dev/vcs\x00', 0x0, 0x0) ioctl$sock_SIOCSIFVLAN_GET_VLAN_REALDEV_NAME_CMD(r1, 0x8983, &(0x7f0000001580)={0x8, 'erspan0\x00', {'syz_tun\x00'}, 0x100}) r2 = socket$nl_generic(0x10, 0x3, 0x10) r3 = getpid() sched_setattr(r3, &(0x7f0000000040)={0x30, 0x2, 0x0, 0x0, 0x8}, 0x0) r4 = getpid() sched_setattr(r4, &(0x7f0000000040)={0x30, 0x2, 0x0, 0x0, 0x8}, 0x0) r5 = clone3(&(0x7f0000001480)={0x8000, &(0x7f00000002c0), &(0x7f0000000300), &(0x7f0000000340), 0x13, 0x0, &(0x7f0000000380)=""/178, 0xb2, &(0x7f0000000440)=""/4096, &(0x7f0000001440)=[0xffffffffffffffff, 0xffffffffffffffff, 0x0, r3, 0xffffffffffffffff, 0xffffffffffffffff, 0xffffffffffffffff, 0xffffffffffffffff, r4, 0xffffffffffffffff], 0xa}, 0x50) getsockopt$sock_timeval(r1, 0x1, 0x1f, &(0x7f0000001500), &(0x7f0000001540)=0x10) perf_event_open(&(0x7f0000000200)={0x4, 0x70, 0x1, 0x7, 0x4, 0x6a, 0x0, 0x2, 0x4410, 0x8, 0x0, 0x1, 0x0, 0x1, 0x1, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1, 0x0, 0x1, 0x1, 0x1, 0x1, 0x1, 0x1, 0x0, 0x0, 0x1, 0x1, 0x0, 0x1, 0x0, 0x1, 0x0, 0x3, 0x1, @perf_config_ext={0x3}, 0x10, 0x4a0510010, 0x0, 0x3, 0x8, 0xffff, 0x5}, r5, 0xe, r1, 0x8) poll(&(0x7f0000000040)=[{r1}, {r0}, {r2}], 0x3, 0x6) sendmsg$kcm(r0, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000040)=[{&(0x7f0000000080)="1400000013000507ed008064d20010002e0000803018085837e928dbec6b0b39b94a4401575b9a45af9683c9cf7ee520a583e76f925345d411dc6eb69563a9d68afbd955d7c988e55a8fea6742005620ec4e07e5ec7ec35b99ecb8fd535b08cec61618d93916b28ad84292ad38185e807bf359c73fc57228d92c64cdcb36b6427cb9c34a6c39f79fd44c5a7172ddca92039ecfcd756337dc4c02579236b0672e0a7b5e576cdac1e78812c7f7ac9a912e0ac483a9a652c4a2bbeaac8a4ed62c04082688900d299150cc2f32ae75", 0xcd}], 0x1}, 0x0) syz_init_net_socket$bt_l2cap(0x1f, 0x5, 0x0) 10:47:17 executing program 5: r0 = socket$kcm(0x10, 0x2, 0x10) sendmsg$kcm(r0, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000040)=[{&(0x7f0000000300)="1400000013000507ed008064d20010002e000080", 0x14}], 0x1}, 0x0) r1 = socket$kcm(0x2b, 0x8000000000001, 0x0) ioctl$PERF_EVENT_IOC_ENABLE(r1, 0x8912, 0x400200) r2 = openat$vcs(0xffffffffffffff9c, &(0x7f0000000000)='/dev/vcs\x00', 0x0, 0x0) r3 = socket$nl_generic(0x10, 0x3, 0x10) poll(&(0x7f0000000040)=[{r2}, {r1}, {r3}], 0x3, 0x6) ioctl$ASHMEM_SET_NAME(r2, 0x41007701, &(0x7f0000000100)='%+ppp0\x00') r4 = openat$zero(0xffffffffffffff9c, &(0x7f0000000000)='/dev/zero\x00', 0x100, 0x0) r5 = syz_open_dev$media(&(0x7f0000000080)='/dev/media#\x00', 0x9, 0x480040) bpf$BPF_PROG_ATTACH(0x8, &(0x7f00000000c0)={r4, r5, 0x2, 0x6}, 0x10) 10:47:17 executing program 3: mknod(&(0x7f0000000040)='./bus\x00', 0x2000000000001003, 0x0) r0 = open(&(0x7f0000000100)='./bus\x00', 0x20000000000b04, 0x0) r1 = epoll_create(0x7) epoll_ctl$EPOLL_CTL_ADD(r1, 0x1, r0, &(0x7f00000001c0)) r2 = socket$kcm(0x2b, 0x8000000000001, 0x0) ioctl$PERF_EVENT_IOC_ENABLE(r2, 0x8912, 0x400200) r3 = openat$vcs(0xffffffffffffff9c, &(0x7f0000000000)='/dev/vcs\x00', 0x0, 0x0) r4 = socket$nl_generic(0x10, 0x3, 0x10) poll(&(0x7f0000000040)=[{r3}, {r2}, {r4}], 0x3, 0x6) r5 = socket(0x2000000000000021, 0x2, 0x10000000000002) connect$rxrpc(r5, &(0x7f0000000140)=@in4={0x21, 0x0, 0x2, 0x10, {0x2, 0x0, @rand_addr=0xdd}}, 0x24) sendmmsg(r5, &(0x7f0000005c00)=[{{0x0, 0xfffffffffffffd95, 0x0, 0x0, &(0x7f0000000000)=ANY=[@ANYBLOB="18000800000000001001000001000000ec00000000000000"], 0x18}}], 0x1, 0x0) r6 = socket$inet6(0xa, 0x3, 0x6) mmap(&(0x7f0000ffd000/0x2000)=nil, 0x2000, 0x8, 0x810, r6, 0x0) setsockopt$inet6_IPV6_FLOWLABEL_MGR(r6, 0x29, 0x20, &(0x7f0000000080)={@loopback, 0x800, 0x0, 0x100000003, 0x1, 0x0, 0x0, 0x400000000}, 0x20) setsockopt$inet6_IPV6_FLOWLABEL_MGR(r6, 0x29, 0x20, &(0x7f0000000300)={@mcast2, 0x10000, 0x0, 0x102, 0x8000003}, 0x20) setsockopt$inet6_IPV6_FLOWLABEL_MGR(r6, 0x29, 0x20, &(0x7f0000000040)={@loopback, 0x0, 0x0, 0x1, 0x3}, 0x20) connect$inet6(r6, &(0x7f0000000500)={0xa, 0x0, 0x40f7, @mcast2, 0x7ff}, 0x9) r7 = syz_open_procfs(0x0, &(0x7f0000000600)='net/ip6_flowlabel\x00n\xc01\x14\x894X\xed\xc1\xc9\xd8\xdcK\r\x8d\xae\x98&@\xd0\xe6\xbbQ\xd7\xffYn\x1c\x92\xde\x0e\xaa1\x91\x98\xe9\x1f\nMCi|+\xcdw\xf0\x176Z\xf1`\xac\xf3;\xd6d2\xeb\xe5\f\x0e\x8b\xda\xf7\xfc9\xfe\xff4\xef\'\xa19q\x93\"\x7fG3\xc1E\xe6e6\xc6\xc2u\x11% \xe7+0\x97\x84;\\\xda\xc4\x80\xc3\xb18N\xbfY%\x05\xf8\x85\x89\xfc\xd2\xd7') sendfile(0xffffffffffffffff, r7, &(0x7f0000000240)=0x202, 0x4000000000dc) r8 = syz_genetlink_get_family_id$nbd(&(0x7f0000000140)='nbd\x00') ioctl$KVM_S390_UCAS_UNMAP(r7, 0x4018ae51, &(0x7f00000000c0)={0x8000, 0x7ff, 0x2}) sendmsg$NBD_CMD_RECONFIGURE(r7, &(0x7f0000000200)={&(0x7f0000000100)={0x10, 0x0, 0x0, 0x80}, 0xc, &(0x7f00000001c0)={&(0x7f0000000180)={0x1ce, r8, 0xc05, 0x70bd29, 0x25dfdbff}, 0x14}, 0x1, 0x0, 0x0, 0x4}, 0x84) sendmsg$NBD_CMD_STATUS(r5, &(0x7f00000002c0)={&(0x7f0000000180)={0x10, 0x0, 0x0, 0x1000000}, 0xc, &(0x7f0000000280)={&(0x7f00000001c0)={0x28, r8, 0x10, 0x70bd25, 0x25dfdbfb, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x5}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x28}, 0x1, 0x0, 0x0, 0x8b29ba74f3c49941}, 0x4044) r9 = openat$audio(0xffffffffffffff9c, &(0x7f0000003500)='/dev/audio\x00', 0x200000, 0x0) r10 = socket$kcm(0x2b, 0x8000000000001, 0x0) ioctl$PERF_EVENT_IOC_ENABLE(r10, 0x8912, 0x400200) r11 = openat$vcs(0xffffffffffffff9c, &(0x7f0000000000)='/dev/vcs\x00', 0x0, 0x0) r12 = socket$nl_generic(0x10, 0x3, 0x10) poll(&(0x7f0000000040)=[{r11}, {r10}, {r12}], 0x3, 0x6) sendmsg$NBD_CMD_CONNECT(r3, &(0x7f0000003600)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x80}, 0xc, &(0x7f00000035c0)={&(0x7f0000003540)={0x54, r8, 0x300, 0x70bd2b, 0x25dfdbfe, {}, [@NBD_ATTR_SOCKETS={0x2c, 0x7, [{0x8, 0x1, r9}, {0x8, 0x1, r11}, {0x8, 0x1, r0}, {0x8}, {0x8, 0x1, r0}]}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}]}, 0x54}, 0x1, 0x0, 0x0, 0x80000c0}, 0x4000000) 10:47:18 executing program 1: r0 = perf_event_open(&(0x7f0000940000)={0x2, 0x70, 0xfffffffffffffffd, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}}, 0x0, 0x0, 0xffffffffffffffff, 0x0) mmap(&(0x7f00004da000/0x1000)=nil, 0x1000, 0x0, 0x4000012, r0, 0x0) mincore(&(0x7f00003fa000/0x200000)=nil, 0x2001a8, &(0x7f0000000000)=""/222) 10:47:18 executing program 5: r0 = socket$kcm(0x2b, 0x8000000000001, 0x0) ioctl$PERF_EVENT_IOC_ENABLE(r0, 0x8912, 0x400200) r1 = openat$vcs(0xffffffffffffff9c, &(0x7f0000000000)='/dev/vcs\x00', 0x0, 0x0) r2 = socket$nl_generic(0x10, 0x3, 0x10) poll(&(0x7f0000000040)=[{r1}, {r0}, {r2}], 0x3, 0x6) ioctl$sock_inet_SIOCSARP(r1, 0x8955, &(0x7f0000000080)={{0x2, 0x4e22, @broadcast}, {0x1, @link_local={0x1, 0x80, 0xc2, 0x0, 0x0, 0xe}}, 0x44, {0x2, 0x4e23, @remote}, 'tunl0\x00'}) r3 = socket$kcm(0x10, 0x2, 0x10) sendmsg$kcm(r3, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000040)=[{&(0x7f0000000300)="1400000013000507ed008064d20010002e000080", 0x14}], 0x1}, 0x0) 10:47:18 executing program 5: r0 = socket$kcm(0x10, 0x2, 0x10) r1 = socket$kcm(0x2b, 0x8000000000001, 0x0) ioctl$PERF_EVENT_IOC_ENABLE(r1, 0x8912, 0x400200) r2 = openat$vcs(0xffffffffffffff9c, &(0x7f0000000000)='/dev/vcs\x00', 0x0, 0x0) r3 = socket$nl_generic(0x10, 0x3, 0x10) poll(&(0x7f0000000040)=[{r2}, {r1}, {r3}], 0x3, 0x6) accept4$inet(r2, &(0x7f0000000000)={0x2, 0x0, @loopback}, &(0x7f0000000080)=0x10, 0x180000) sendmsg$kcm(r0, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000040), 0x0, 0x0, 0xfffffffffffffcd6}, 0x0) 10:47:18 executing program 3: mknod(&(0x7f0000000040)='./bus\x00', 0x2000000000001003, 0x0) r0 = open(&(0x7f0000000100)='./bus\x00', 0x20000000000b04, 0x0) r1 = epoll_create(0x7) epoll_ctl$EPOLL_CTL_ADD(r1, 0x1, r0, &(0x7f00000001c0)) r2 = socket$kcm(0x2b, 0x8000000000001, 0x0) ioctl$PERF_EVENT_IOC_ENABLE(r2, 0x8912, 0x400200) r3 = openat$vcs(0xffffffffffffff9c, &(0x7f0000000000)='/dev/vcs\x00', 0x0, 0x0) r4 = socket$nl_generic(0x10, 0x3, 0x10) poll(&(0x7f0000000040)=[{r3}, {r2}, {r4}], 0x3, 0x6) r5 = socket(0x2000000000000021, 0x2, 0x10000000000002) connect$rxrpc(r5, &(0x7f0000000140)=@in4={0x21, 0x0, 0x2, 0x10, {0x2, 0x0, @rand_addr=0xdd}}, 0x24) sendmmsg(r5, &(0x7f0000005c00)=[{{0x0, 0xfffffffffffffd95, 0x0, 0x0, &(0x7f0000000000)=ANY=[@ANYBLOB="18000800000000001001000001000000ec00000000000000"], 0x18}}], 0x1, 0x0) r6 = socket$inet6(0xa, 0x3, 0x6) mmap(&(0x7f0000ffd000/0x2000)=nil, 0x2000, 0x8, 0x810, r6, 0x0) setsockopt$inet6_IPV6_FLOWLABEL_MGR(r6, 0x29, 0x20, &(0x7f0000000080)={@loopback, 0x800, 0x0, 0x100000003, 0x1, 0x0, 0x0, 0x400000000}, 0x20) setsockopt$inet6_IPV6_FLOWLABEL_MGR(r6, 0x29, 0x20, &(0x7f0000000300)={@mcast2, 0x10000, 0x0, 0x102, 0x8000003}, 0x20) setsockopt$inet6_IPV6_FLOWLABEL_MGR(r6, 0x29, 0x20, &(0x7f0000000040)={@loopback, 0x0, 0x0, 0x1, 0x3}, 0x20) connect$inet6(r6, &(0x7f0000000500)={0xa, 0x0, 0x40f7, @mcast2, 0x7ff}, 0x9) r7 = syz_open_procfs(0x0, &(0x7f0000000600)='net/ip6_flowlabel\x00n\xc01\x14\x894X\xed\xc1\xc9\xd8\xdcK\r\x8d\xae\x98&@\xd0\xe6\xbbQ\xd7\xffYn\x1c\x92\xde\x0e\xaa1\x91\x98\xe9\x1f\nMCi|+\xcdw\xf0\x176Z\xf1`\xac\xf3;\xd6d2\xeb\xe5\f\x0e\x8b\xda\xf7\xfc9\xfe\xff4\xef\'\xa19q\x93\"\x7fG3\xc1E\xe6e6\xc6\xc2u\x11% \xe7+0\x97\x84;\\\xda\xc4\x80\xc3\xb18N\xbfY%\x05\xf8\x85\x89\xfc\xd2\xd7') sendfile(r6, 0xffffffffffffffff, &(0x7f0000000240)=0x202, 0x4000000000dc) r8 = syz_genetlink_get_family_id$nbd(&(0x7f0000000140)='nbd\x00') ioctl$KVM_S390_UCAS_UNMAP(r7, 0x4018ae51, &(0x7f00000000c0)={0x8000, 0x7ff, 0x2}) sendmsg$NBD_CMD_RECONFIGURE(r7, &(0x7f0000000200)={&(0x7f0000000100)={0x10, 0x0, 0x0, 0x80}, 0xc, &(0x7f00000001c0)={&(0x7f0000000180)={0x1ce, r8, 0xc05, 0x70bd29, 0x25dfdbff}, 0x14}, 0x1, 0x0, 0x0, 0x4}, 0x84) sendmsg$NBD_CMD_STATUS(r5, &(0x7f00000002c0)={&(0x7f0000000180)={0x10, 0x0, 0x0, 0x1000000}, 0xc, &(0x7f0000000280)={&(0x7f00000001c0)={0x28, r8, 0x10, 0x70bd25, 0x25dfdbfb, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x5}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x28}, 0x1, 0x0, 0x0, 0x8b29ba74f3c49941}, 0x4044) r9 = openat$audio(0xffffffffffffff9c, &(0x7f0000003500)='/dev/audio\x00', 0x200000, 0x0) r10 = socket$kcm(0x2b, 0x8000000000001, 0x0) ioctl$PERF_EVENT_IOC_ENABLE(r10, 0x8912, 0x400200) r11 = openat$vcs(0xffffffffffffff9c, &(0x7f0000000000)='/dev/vcs\x00', 0x0, 0x0) r12 = socket$nl_generic(0x10, 0x3, 0x10) poll(&(0x7f0000000040)=[{r11}, {r10}, {r12}], 0x3, 0x6) sendmsg$NBD_CMD_CONNECT(r3, &(0x7f0000003600)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x80}, 0xc, &(0x7f00000035c0)={&(0x7f0000003540)={0x54, r8, 0x300, 0x70bd2b, 0x25dfdbfe, {}, [@NBD_ATTR_SOCKETS={0x2c, 0x7, [{0x8, 0x1, r9}, {0x8, 0x1, r11}, {0x8, 0x1, r0}, {0x8}, {0x8, 0x1, r0}]}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}]}, 0x54}, 0x1, 0x0, 0x0, 0x80000c0}, 0x4000000) 10:47:18 executing program 3: mknod(&(0x7f0000000040)='./bus\x00', 0x2000000000001003, 0x0) r0 = open(&(0x7f0000000100)='./bus\x00', 0x20000000000b04, 0x0) r1 = epoll_create(0x7) epoll_ctl$EPOLL_CTL_ADD(r1, 0x1, r0, &(0x7f00000001c0)) r2 = socket$kcm(0x2b, 0x8000000000001, 0x0) ioctl$PERF_EVENT_IOC_ENABLE(r2, 0x8912, 0x400200) r3 = openat$vcs(0xffffffffffffff9c, &(0x7f0000000000)='/dev/vcs\x00', 0x0, 0x0) r4 = socket$nl_generic(0x10, 0x3, 0x10) poll(&(0x7f0000000040)=[{r3}, {r2}, {r4}], 0x3, 0x6) r5 = socket(0x2000000000000021, 0x2, 0x10000000000002) connect$rxrpc(r5, &(0x7f0000000140)=@in4={0x21, 0x0, 0x2, 0x10, {0x2, 0x0, @rand_addr=0xdd}}, 0x24) sendmmsg(r5, &(0x7f0000005c00)=[{{0x0, 0xfffffffffffffd95, 0x0, 0x0, &(0x7f0000000000)=ANY=[@ANYBLOB="18000800000000001001000001000000ec00000000000000"], 0x18}}], 0x1, 0x0) r6 = socket$inet6(0xa, 0x3, 0x6) mmap(&(0x7f0000ffd000/0x2000)=nil, 0x2000, 0x8, 0x810, r6, 0x0) setsockopt$inet6_IPV6_FLOWLABEL_MGR(r6, 0x29, 0x20, &(0x7f0000000080)={@loopback, 0x800, 0x0, 0x100000003, 0x1, 0x0, 0x0, 0x400000000}, 0x20) setsockopt$inet6_IPV6_FLOWLABEL_MGR(r6, 0x29, 0x20, &(0x7f0000000300)={@mcast2, 0x10000, 0x0, 0x102, 0x8000003}, 0x20) setsockopt$inet6_IPV6_FLOWLABEL_MGR(r6, 0x29, 0x20, &(0x7f0000000040)={@loopback, 0x0, 0x0, 0x1, 0x3}, 0x20) connect$inet6(r6, &(0x7f0000000500)={0xa, 0x0, 0x40f7, @mcast2, 0x7ff}, 0x9) r7 = syz_open_procfs(0x0, &(0x7f0000000600)='net/ip6_flowlabel\x00n\xc01\x14\x894X\xed\xc1\xc9\xd8\xdcK\r\x8d\xae\x98&@\xd0\xe6\xbbQ\xd7\xffYn\x1c\x92\xde\x0e\xaa1\x91\x98\xe9\x1f\nMCi|+\xcdw\xf0\x176Z\xf1`\xac\xf3;\xd6d2\xeb\xe5\f\x0e\x8b\xda\xf7\xfc9\xfe\xff4\xef\'\xa19q\x93\"\x7fG3\xc1E\xe6e6\xc6\xc2u\x11% \xe7+0\x97\x84;\\\xda\xc4\x80\xc3\xb18N\xbfY%\x05\xf8\x85\x89\xfc\xd2\xd7') sendfile(r6, 0xffffffffffffffff, &(0x7f0000000240)=0x202, 0x4000000000dc) r8 = syz_genetlink_get_family_id$nbd(&(0x7f0000000140)='nbd\x00') ioctl$KVM_S390_UCAS_UNMAP(r7, 0x4018ae51, &(0x7f00000000c0)={0x8000, 0x7ff, 0x2}) sendmsg$NBD_CMD_RECONFIGURE(r7, &(0x7f0000000200)={&(0x7f0000000100)={0x10, 0x0, 0x0, 0x80}, 0xc, &(0x7f00000001c0)={&(0x7f0000000180)={0x1ce, r8, 0xc05, 0x70bd29, 0x25dfdbff}, 0x14}, 0x1, 0x0, 0x0, 0x4}, 0x84) sendmsg$NBD_CMD_STATUS(r5, &(0x7f00000002c0)={&(0x7f0000000180)={0x10, 0x0, 0x0, 0x1000000}, 0xc, &(0x7f0000000280)={&(0x7f00000001c0)={0x28, r8, 0x10, 0x70bd25, 0x25dfdbfb, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x5}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x28}, 0x1, 0x0, 0x0, 0x8b29ba74f3c49941}, 0x4044) r9 = openat$audio(0xffffffffffffff9c, &(0x7f0000003500)='/dev/audio\x00', 0x200000, 0x0) r10 = socket$kcm(0x2b, 0x8000000000001, 0x0) ioctl$PERF_EVENT_IOC_ENABLE(r10, 0x8912, 0x400200) r11 = openat$vcs(0xffffffffffffff9c, &(0x7f0000000000)='/dev/vcs\x00', 0x0, 0x0) r12 = socket$nl_generic(0x10, 0x3, 0x10) poll(&(0x7f0000000040)=[{r11}, {r10}, {r12}], 0x3, 0x6) sendmsg$NBD_CMD_CONNECT(r3, &(0x7f0000003600)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x80}, 0xc, &(0x7f00000035c0)={&(0x7f0000003540)={0x54, r8, 0x300, 0x70bd2b, 0x25dfdbfe, {}, [@NBD_ATTR_SOCKETS={0x2c, 0x7, [{0x8, 0x1, r9}, {0x8, 0x1, r11}, {0x8, 0x1, r0}, {0x8}, {0x8, 0x1, r0}]}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}]}, 0x54}, 0x1, 0x0, 0x0, 0x80000c0}, 0x4000000) 10:47:18 executing program 5: r0 = socket$kcm(0x10, 0x2, 0x10) sendmsg$kcm(r0, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000040)=[{&(0x7f0000000300)="1400000013000507ed008064d20010002e000080", 0x14}], 0x1}, 0x0) r1 = socket$kcm(0x2b, 0x8000000000001, 0x0) ioctl$PERF_EVENT_IOC_ENABLE(r1, 0x8912, 0x400200) r2 = openat$vcs(0xffffffffffffff9c, &(0x7f0000000000)='/dev/vcs\x00', 0x0, 0x0) r3 = socket$nl_generic(0x10, 0x3, 0x10) poll(&(0x7f0000000040)=[{r2}, {r1}, {r3}], 0x3, 0x6) ioctl$IOC_PR_REGISTER(r2, 0x401870c8, &(0x7f0000000000)={0x8, 0x9}) 10:47:18 executing program 1: r0 = perf_event_open(&(0x7f0000940000)={0x2, 0x70, 0xfffffffffffffffd, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}}, 0x0, 0x0, 0xffffffffffffffff, 0x0) mmap(&(0x7f00004da000/0x1000)=nil, 0x1000, 0x0, 0x4000012, r0, 0x0) mincore(&(0x7f00003fa000/0x200000)=nil, 0x2001a9, &(0x7f0000000000)=""/222) 10:47:18 executing program 2: r0 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f00000000c0)='memory.events\x00', 0x26e1, 0x0) r1 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000100)='memory.events\x00', 0x7a05, 0x1700) write$cgroup_subtree(r0, &(0x7f0000000600)=ANY=[@ANYPTR64], 0xfe9d) r2 = socket$inet6_dccp(0xa, 0x6, 0x0) getsockopt$inet6_int(r2, 0x29, 0x3c, 0x0, &(0x7f00000015c0)) ioctl$FS_IOC_RESVSP(r2, 0x40305828, &(0x7f00000001c0)={0x0, 0x0, 0x800000000, 0x7f}) ioctl$FS_IOC_RESVSP(r1, 0x40305828, &(0x7f0000000180)={0x0, 0x0, 0xae15, 0xd8a}) ioctl$FS_IOC_SETFLAGS(r1, 0x40086602, &(0x7f0000000080)=0x9) socketpair$unix(0x1, 0x1, 0x0, &(0x7f0000000180)={0xffffffffffffffff, 0xffffffffffffffff}) r4 = dup(r3) ioctl$PERF_EVENT_IOC_ENABLE(r4, 0x8912, 0x400200) r5 = socket$inet6_dccp(0xa, 0x6, 0x0) getsockopt$inet6_int(r5, 0x29, 0x3c, 0x0, &(0x7f00000015c0)) r6 = socket$inet6_dccp(0xa, 0x6, 0x0) getsockopt$inet6_int(r6, 0x29, 0x3c, 0x0, &(0x7f00000015c0)) perf_event_open(&(0x7f0000000240)={0x2, 0x70, 0x8, 0xe2, 0x3, 0x69, 0x0, 0x9, 0x410d8, 0x0, 0x1, 0x0, 0x1, 0x0, 0x1, 0x1, 0x0, 0x0, 0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x1, 0x1, 0x0, 0x1, 0x1, 0x0, 0x0, 0x1, 0x1, 0x0, 0x0, 0x1, 0x1, 0x0, 0x0, 0x5, 0x4, @perf_bp={&(0x7f0000000200), 0xb}, 0x4080, 0x3, 0x101, 0x2, 0x9, 0x2, 0xf78c}, 0xffffffffffffffff, 0x4, r4, 0xb) r7 = accept$ax25(r0, 0x0, &(0x7f00000002c0)) fcntl$dupfd(r5, 0x0, r7) write$cgroup_pid(r1, &(0x7f0000000000), 0xfffffea6) r8 = socket$kcm(0x2b, 0x8000000000001, 0x0) ioctl$PERF_EVENT_IOC_ENABLE(r8, 0x8912, 0x400200) r9 = openat$vcs(0xffffffffffffff9c, &(0x7f0000000000)='/dev/vcs\x00', 0x0, 0x0) r10 = socket$nl_generic(0x10, 0x3, 0x10) poll(&(0x7f0000000040)=[{r9}, {r8}, {r10}], 0x3, 0x6) getsockopt$bt_BT_CHANNEL_POLICY(r9, 0x112, 0xa, &(0x7f0000000040)=0x400, &(0x7f0000000140)=0x4) 10:47:18 executing program 4: r0 = socket$kcm(0x2b, 0x8000000000001, 0x0) ioctl$PERF_EVENT_IOC_ENABLE(r0, 0x8912, 0x400200) r1 = socket$inet6(0xa, 0x3, 0x6) r2 = syz_open_dev$mice(&(0x7f0000000040)='/dev/input/mice\x00', 0x0, 0xc7c1e3e34cdd3025) r3 = socket(0x2000000000000021, 0x2, 0x10000000000002) connect$rxrpc(r3, &(0x7f0000000140)=@in4={0x21, 0x0, 0x2, 0x10, {0x2, 0x0, @rand_addr=0xdd}}, 0x24) sendmmsg(r3, &(0x7f0000005c00)=[{{0x0, 0xfffffffffffffd95, 0x0, 0x0, &(0x7f0000000000)=[{0x18, 0x110, 0x1, "ec"}], 0x18}}], 0x1, 0x0) r4 = socket$inet6(0xa, 0x3, 0x6) mmap(&(0x7f0000ffd000/0x2000)=nil, 0x2000, 0x8, 0x810, r4, 0x0) setsockopt$inet6_IPV6_FLOWLABEL_MGR(r4, 0x29, 0x20, &(0x7f0000000080)={@loopback, 0x800, 0x0, 0x100000003, 0x1, 0x0, 0x0, 0x400000000}, 0x20) setsockopt$inet6_IPV6_FLOWLABEL_MGR(r4, 0x29, 0x20, &(0x7f0000000300)={@mcast2, 0x10000, 0x0, 0x102, 0x8000003}, 0x20) setsockopt$inet6_IPV6_FLOWLABEL_MGR(r4, 0x29, 0x20, &(0x7f0000000040)={@loopback, 0x0, 0x0, 0x1, 0x3}, 0x20) connect$inet6(r4, &(0x7f0000000500)={0xa, 0x0, 0x40f7, @mcast2, 0x7ff}, 0x9) r5 = syz_open_procfs(0x0, &(0x7f0000000600)='net/ip6_flowlabel\x00n\xc01\x14\x894X\xed\xc1\xc9\xd8\xdcK\r\x8d\xae\x98&@\xd0\xe6\xbbQ\xd7\xffYn\x1c\x92\xde\x0e\xaa1\x91\x98\xe9\x1f\nMCi|+\xcdw\xf0\x176Z\xf1`\xac\xf3;\xd6d2\xeb\xe5\f\x0e\x8b\xda\xf7\xfc9\xfe\xff4\xef\'\xa19q\x93\"\x7fG3\xc1E\xe6e6\xc6\xc2u\x11% \xe7+0\x97\x84;\\\xda\xc4\x80\xc3\xb18N\xbfY%\x05\xf8\x85\x89\xfc\xd2\xd7') sendfile(r4, r5, &(0x7f0000000240)=0x202, 0x4000000000dc) r6 = syz_genetlink_get_family_id$nbd(&(0x7f0000000140)='nbd\x00') ioctl$KVM_S390_UCAS_UNMAP(r5, 0x4018ae51, &(0x7f00000000c0)={0x8000, 0x7ff, 0x2}) sendmsg$NBD_CMD_RECONFIGURE(r5, &(0x7f0000000200)={&(0x7f0000000100)={0x10, 0x0, 0x0, 0x80}, 0xc, &(0x7f00000001c0)={&(0x7f0000000180)={0x1ce, r6, 0xc05, 0x70bd29, 0x25dfdbff}, 0x14}, 0x1, 0x0, 0x0, 0x4}, 0x84) sendmsg$NBD_CMD_STATUS(r3, &(0x7f00000002c0)={&(0x7f0000000180)={0x10, 0x0, 0x0, 0x1000000}, 0xc, &(0x7f0000000280)={&(0x7f00000001c0)={0x28, r6, 0x10, 0x70bd25, 0x25dfdbfb, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x5}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x28}, 0x1, 0x0, 0x0, 0x8b29ba74f3c49941}, 0x4044) r7 = openat$btrfs_control(0xffffffffffffff9c, &(0x7f00000000c0)='/dev/btrfs-control\x00', 0xa180, 0x0) r8 = creat(&(0x7f0000000100)='./file0\x00', 0x20) r9 = openat$btrfs_control(0xffffffffffffff9c, &(0x7f0000000140)='/dev/btrfs-control\x00', 0x80, 0x0) r10 = syz_open_dev$sndpcmc(&(0x7f0000000180)='/dev/snd/pcmC#D#c\x00', 0x3, 0x73dd2a79347797e8) r11 = socket$kcm(0x2b, 0x8000000000001, 0x0) ioctl$PERF_EVENT_IOC_ENABLE(r11, 0x8912, 0x400200) r12 = openat$vcs(0xffffffffffffff9c, &(0x7f0000000000)='/dev/vcs\x00', 0x0, 0x0) r13 = socket$nl_generic(0x10, 0x3, 0x10) poll(&(0x7f0000000040)=[{r12}, {r11}, {r13}], 0x3, 0x6) r14 = socket$kcm(0x2b, 0x8000000000001, 0x0) ioctl$PERF_EVENT_IOC_ENABLE(r14, 0x8912, 0x400200) r15 = openat$vcs(0xffffffffffffff9c, &(0x7f0000000000)='/dev/vcs\x00', 0x0, 0x0) r16 = socket$nl_generic(0x10, 0x3, 0x10) poll(&(0x7f0000000040)=[{r15}, {r14}, {r16}], 0x3, 0x6) r17 = socket$kcm(0x2b, 0x8000000000001, 0x0) ioctl$PERF_EVENT_IOC_ENABLE(r17, 0x8912, 0x400200) r18 = openat$vcs(0xffffffffffffff9c, &(0x7f0000000000)='/dev/vcs\x00', 0x0, 0x0) r19 = socket$nl_generic(0x10, 0x3, 0x10) poll(&(0x7f0000000040)=[{r18}, {r17}, {r19}], 0x3, 0x6) r20 = openat$autofs(0xffffffffffffff9c, &(0x7f00000001c0)='/dev/autofs\x00', 0x298c00, 0x0) r21 = openat$vcs(0xffffffffffffff9c, &(0x7f0000000200)='/dev/vcs\x00', 0x40502, 0x0) r22 = openat$zero(0xffffffffffffff9c, &(0x7f0000000240)='/dev/zero\x00', 0x101000, 0x0) sendmsg$NBD_CMD_DISCONNECT(r2, &(0x7f0000000380)={&(0x7f0000000080)={0x10, 0x0, 0x0, 0x80}, 0xc, &(0x7f0000000340)={&(0x7f0000000280)=ANY=[@ANYBLOB="a8000000", @ANYRES16=r6, @ANYBLOB="000228bd7000fedbdf25020000001400070008000100", @ANYRES32=r7, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="0c01cd00f9ff000000002800000000080001000000005654000700080001", @ANYRES32, @ANYBLOB="08000100", @ANYRES32=r8, @ANYBLOB="08000100", @ANYRES32=r9, @ANYBLOB="08000100", @ANYRES32=r10, @ANYBLOB="08000100", @ANYRES32=r12, @ANYBLOB="08000100", @ANYRES32=r15, @ANYBLOB="08000100", @ANYRES32=r18, @ANYBLOB="08000100", @ANYRES32=r20, @ANYBLOB="08000100", @ANYRES32=r21, @ANYBLOB="08000100", @ANYRES32=r22, @ANYBLOB="0c0005003000000000000000"], 0xa8}}, 0x40000000) setsockopt$inet6_IPV6_FLOWLABEL_MGR(r1, 0x29, 0x20, &(0x7f0000000000)={@mcast2, 0x10000, 0x0, 0x102, 0x800000f}, 0x20) 10:47:18 executing program 5: r0 = socket$kcm(0x10, 0x2, 0x10) sendmsg$kcm(r0, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000040)=[{&(0x7f0000000300)="1400000013000507ed008064d20010002e000080", 0x14}], 0x1}, 0x0) unlinkat(0xffffffffffffffff, &(0x7f0000000000)='./file0\x00', 0x200) 10:47:18 executing program 4: r0 = socket$kcm(0x2b, 0x8000000000001, 0x0) ioctl$PERF_EVENT_IOC_ENABLE(r0, 0x8912, 0x400200) socket$inet6(0xa, 0x3, 0x6) r1 = openat$snapshot(0xffffffffffffff9c, &(0x7f0000000000)='/dev/snapshot\x00', 0x4001, 0x0) r2 = dup2(0xffffffffffffffff, r1) r3 = accept4(r2, &(0x7f0000000040)=@in={0x2, 0x0, @loopback}, &(0x7f00000000c0)=0x80, 0x800) setsockopt$inet6_IPV6_FLOWLABEL_MGR(r3, 0x29, 0x20, &(0x7f0000000300)={@mcast2, 0x10003, 0x0, 0xff, 0x8000003, 0x101}, 0x20) 10:47:18 executing program 3: mknod(&(0x7f0000000040)='./bus\x00', 0x2000000000001003, 0x0) r0 = open(&(0x7f0000000100)='./bus\x00', 0x20000000000b04, 0x0) r1 = epoll_create(0x7) epoll_ctl$EPOLL_CTL_ADD(r1, 0x1, r0, &(0x7f00000001c0)) r2 = socket$kcm(0x2b, 0x8000000000001, 0x0) ioctl$PERF_EVENT_IOC_ENABLE(r2, 0x8912, 0x400200) r3 = openat$vcs(0xffffffffffffff9c, &(0x7f0000000000)='/dev/vcs\x00', 0x0, 0x0) r4 = socket$nl_generic(0x10, 0x3, 0x10) poll(&(0x7f0000000040)=[{r3}, {r2}, {r4}], 0x3, 0x6) r5 = socket(0x2000000000000021, 0x2, 0x10000000000002) connect$rxrpc(r5, &(0x7f0000000140)=@in4={0x21, 0x0, 0x2, 0x10, {0x2, 0x0, @rand_addr=0xdd}}, 0x24) sendmmsg(r5, &(0x7f0000005c00)=[{{0x0, 0xfffffffffffffd95, 0x0, 0x0, &(0x7f0000000000)=ANY=[@ANYBLOB="18000800000000001001000001000000ec00000000000000"], 0x18}}], 0x1, 0x0) r6 = socket$inet6(0xa, 0x3, 0x6) mmap(&(0x7f0000ffd000/0x2000)=nil, 0x2000, 0x8, 0x810, r6, 0x0) setsockopt$inet6_IPV6_FLOWLABEL_MGR(r6, 0x29, 0x20, &(0x7f0000000080)={@loopback, 0x800, 0x0, 0x100000003, 0x1, 0x0, 0x0, 0x400000000}, 0x20) setsockopt$inet6_IPV6_FLOWLABEL_MGR(r6, 0x29, 0x20, &(0x7f0000000300)={@mcast2, 0x10000, 0x0, 0x102, 0x8000003}, 0x20) setsockopt$inet6_IPV6_FLOWLABEL_MGR(r6, 0x29, 0x20, &(0x7f0000000040)={@loopback, 0x0, 0x0, 0x1, 0x3}, 0x20) connect$inet6(r6, &(0x7f0000000500)={0xa, 0x0, 0x40f7, @mcast2, 0x7ff}, 0x9) r7 = syz_open_procfs(0x0, &(0x7f0000000600)='net/ip6_flowlabel\x00n\xc01\x14\x894X\xed\xc1\xc9\xd8\xdcK\r\x8d\xae\x98&@\xd0\xe6\xbbQ\xd7\xffYn\x1c\x92\xde\x0e\xaa1\x91\x98\xe9\x1f\nMCi|+\xcdw\xf0\x176Z\xf1`\xac\xf3;\xd6d2\xeb\xe5\f\x0e\x8b\xda\xf7\xfc9\xfe\xff4\xef\'\xa19q\x93\"\x7fG3\xc1E\xe6e6\xc6\xc2u\x11% \xe7+0\x97\x84;\\\xda\xc4\x80\xc3\xb18N\xbfY%\x05\xf8\x85\x89\xfc\xd2\xd7') sendfile(r6, 0xffffffffffffffff, &(0x7f0000000240)=0x202, 0x4000000000dc) r8 = syz_genetlink_get_family_id$nbd(&(0x7f0000000140)='nbd\x00') ioctl$KVM_S390_UCAS_UNMAP(r7, 0x4018ae51, &(0x7f00000000c0)={0x8000, 0x7ff, 0x2}) sendmsg$NBD_CMD_RECONFIGURE(r7, &(0x7f0000000200)={&(0x7f0000000100)={0x10, 0x0, 0x0, 0x80}, 0xc, &(0x7f00000001c0)={&(0x7f0000000180)={0x1ce, r8, 0xc05, 0x70bd29, 0x25dfdbff}, 0x14}, 0x1, 0x0, 0x0, 0x4}, 0x84) sendmsg$NBD_CMD_STATUS(r5, &(0x7f00000002c0)={&(0x7f0000000180)={0x10, 0x0, 0x0, 0x1000000}, 0xc, &(0x7f0000000280)={&(0x7f00000001c0)={0x28, r8, 0x10, 0x70bd25, 0x25dfdbfb, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x5}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x28}, 0x1, 0x0, 0x0, 0x8b29ba74f3c49941}, 0x4044) r9 = openat$audio(0xffffffffffffff9c, &(0x7f0000003500)='/dev/audio\x00', 0x200000, 0x0) r10 = socket$kcm(0x2b, 0x8000000000001, 0x0) ioctl$PERF_EVENT_IOC_ENABLE(r10, 0x8912, 0x400200) r11 = openat$vcs(0xffffffffffffff9c, &(0x7f0000000000)='/dev/vcs\x00', 0x0, 0x0) r12 = socket$nl_generic(0x10, 0x3, 0x10) poll(&(0x7f0000000040)=[{r11}, {r10}, {r12}], 0x3, 0x6) sendmsg$NBD_CMD_CONNECT(r3, &(0x7f0000003600)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x80}, 0xc, &(0x7f00000035c0)={&(0x7f0000003540)={0x54, r8, 0x300, 0x70bd2b, 0x25dfdbfe, {}, [@NBD_ATTR_SOCKETS={0x2c, 0x7, [{0x8, 0x1, r9}, {0x8, 0x1, r11}, {0x8, 0x1, r0}, {0x8}, {0x8, 0x1, r0}]}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}]}, 0x54}, 0x1, 0x0, 0x0, 0x80000c0}, 0x4000000) 10:47:18 executing program 1: r0 = perf_event_open(&(0x7f0000940000)={0x2, 0x70, 0xfffffffffffffffd, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}}, 0x0, 0x0, 0xffffffffffffffff, 0x0) mmap(&(0x7f00004da000/0x1000)=nil, 0x1000, 0x0, 0x4000012, r0, 0x0) mincore(&(0x7f00003fa000/0x200000)=nil, 0x2001aa, &(0x7f0000000000)=""/222) 10:47:19 executing program 5: r0 = socket$kcm(0x10, 0x2, 0x10) r1 = socket$inet_udplite(0x2, 0x2, 0x88) getsockopt$sock_cred(r1, 0x1, 0x11, &(0x7f0000000240)={0x0, 0x0}, &(0x7f0000000280)=0x5) setuid(r2) syz_mount_image$exfat(&(0x7f0000000000)='exfat\x00', &(0x7f0000000080)='./file0\x00', 0x7fffffff, 0x2, &(0x7f00000002c0)=[{&(0x7f00000000c0)="f42cdb094daa94a5a5a0ab8cc7c14b9d5d4b57b385a5fccb2110bff82e0cfee043db17568813fd2ca59af35fd0972283ce9041a147d1f7293af795ea7996cabe7b3899503780bc72a12b9c677fde74fe9fe9cea69814532adc66310d969ccbe8009d588e56db28f70544fa0e566e8e5300862e1c16cebee0b734c99bc933baeffb89526afb4d59c40296fdef753af188fc9aefd85a7a1b95f2f8454e914a401ee00d0a99d487248f241512", 0xab, 0x5}, {&(0x7f0000000180)="de95283fa49f03bd78e6e819b0d7169e262f07d792f87b18759b44727477d58901d7754a1dcdaf245c047d27bd92e0e6327a35d40a5854c690345d7803afad96544a64e58621a35ac1dc9d501f472d08639a2e29eb16822813f40c85fffd0b5411c21554509d173ac211e85cb391d6c75055a5f228b91d73b5f5c5898079d34d669e106cf1bbea2c562fa28e473aaa11bdf9a1810790b4167b46d36eebbd8f225cce2c56c7a0025ab533cf75034e60e0fa7165bf5adee968330c60023e39f035b49e22687e902fa4e5eac95fd5c112fd3bbc594d87bf04b964", 0xd9, 0x8}], 0x800002, &(0x7f0000000340)={[{@namecase='namecase=1'}], [{@fowner_gt={'fowner>', r2}}]}) sendmsg$kcm(r0, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000040)=[{&(0x7f0000000300)="1400000013000507ed008064d20010002e000080", 0x14}], 0x1}, 0x0) [ 984.676909][T15819] [EXFAT] Unrecognized mount option fowner>00000000002754580735 or missing value 10:47:19 executing program 3: mknod(&(0x7f0000000040)='./bus\x00', 0x2000000000001003, 0x0) r0 = open(&(0x7f0000000100)='./bus\x00', 0x20000000000b04, 0x0) r1 = epoll_create(0x7) epoll_ctl$EPOLL_CTL_ADD(r1, 0x1, r0, &(0x7f00000001c0)) r2 = socket$kcm(0x2b, 0x8000000000001, 0x0) ioctl$PERF_EVENT_IOC_ENABLE(r2, 0x8912, 0x400200) r3 = openat$vcs(0xffffffffffffff9c, &(0x7f0000000000)='/dev/vcs\x00', 0x0, 0x0) r4 = socket$nl_generic(0x10, 0x3, 0x10) poll(&(0x7f0000000040)=[{r3}, {r2}, {r4}], 0x3, 0x6) r5 = socket(0x2000000000000021, 0x2, 0x10000000000002) connect$rxrpc(r5, &(0x7f0000000140)=@in4={0x21, 0x0, 0x2, 0x10, {0x2, 0x0, @rand_addr=0xdd}}, 0x24) sendmmsg(r5, &(0x7f0000005c00)=[{{0x0, 0xfffffffffffffd95, 0x0, 0x0, &(0x7f0000000000)=ANY=[@ANYBLOB="18000800000000001001000001000000ec00000000000000"], 0x18}}], 0x1, 0x0) r6 = socket$inet6(0xa, 0x3, 0x6) mmap(&(0x7f0000ffd000/0x2000)=nil, 0x2000, 0x8, 0x810, r6, 0x0) setsockopt$inet6_IPV6_FLOWLABEL_MGR(r6, 0x29, 0x20, &(0x7f0000000080)={@loopback, 0x800, 0x0, 0x100000003, 0x1, 0x0, 0x0, 0x400000000}, 0x20) setsockopt$inet6_IPV6_FLOWLABEL_MGR(r6, 0x29, 0x20, &(0x7f0000000300)={@mcast2, 0x10000, 0x0, 0x102, 0x8000003}, 0x20) setsockopt$inet6_IPV6_FLOWLABEL_MGR(r6, 0x29, 0x20, &(0x7f0000000040)={@loopback, 0x0, 0x0, 0x1, 0x3}, 0x20) connect$inet6(r6, &(0x7f0000000500)={0xa, 0x0, 0x40f7, @mcast2, 0x7ff}, 0x9) r7 = syz_open_procfs(0x0, &(0x7f0000000600)='net/ip6_flowlabel\x00n\xc01\x14\x894X\xed\xc1\xc9\xd8\xdcK\r\x8d\xae\x98&@\xd0\xe6\xbbQ\xd7\xffYn\x1c\x92\xde\x0e\xaa1\x91\x98\xe9\x1f\nMCi|+\xcdw\xf0\x176Z\xf1`\xac\xf3;\xd6d2\xeb\xe5\f\x0e\x8b\xda\xf7\xfc9\xfe\xff4\xef\'\xa19q\x93\"\x7fG3\xc1E\xe6e6\xc6\xc2u\x11% \xe7+0\x97\x84;\\\xda\xc4\x80\xc3\xb18N\xbfY%\x05\xf8\x85\x89\xfc\xd2\xd7') sendfile(r6, r7, 0x0, 0x4000000000dc) r8 = syz_genetlink_get_family_id$nbd(&(0x7f0000000140)='nbd\x00') ioctl$KVM_S390_UCAS_UNMAP(r7, 0x4018ae51, &(0x7f00000000c0)={0x8000, 0x7ff, 0x2}) sendmsg$NBD_CMD_RECONFIGURE(r7, &(0x7f0000000200)={&(0x7f0000000100)={0x10, 0x0, 0x0, 0x80}, 0xc, &(0x7f00000001c0)={&(0x7f0000000180)={0x1ce, r8, 0xc05, 0x70bd29, 0x25dfdbff}, 0x14}, 0x1, 0x0, 0x0, 0x4}, 0x84) sendmsg$NBD_CMD_STATUS(r5, &(0x7f00000002c0)={&(0x7f0000000180)={0x10, 0x0, 0x0, 0x1000000}, 0xc, &(0x7f0000000280)={&(0x7f00000001c0)={0x28, r8, 0x10, 0x70bd25, 0x25dfdbfb, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x5}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x28}, 0x1, 0x0, 0x0, 0x8b29ba74f3c49941}, 0x4044) r9 = openat$audio(0xffffffffffffff9c, &(0x7f0000003500)='/dev/audio\x00', 0x200000, 0x0) r10 = socket$kcm(0x2b, 0x8000000000001, 0x0) ioctl$PERF_EVENT_IOC_ENABLE(r10, 0x8912, 0x400200) r11 = openat$vcs(0xffffffffffffff9c, &(0x7f0000000000)='/dev/vcs\x00', 0x0, 0x0) r12 = socket$nl_generic(0x10, 0x3, 0x10) poll(&(0x7f0000000040)=[{r11}, {r10}, {r12}], 0x3, 0x6) sendmsg$NBD_CMD_CONNECT(r3, &(0x7f0000003600)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x80}, 0xc, &(0x7f00000035c0)={&(0x7f0000003540)={0x54, r8, 0x300, 0x70bd2b, 0x25dfdbfe, {}, [@NBD_ATTR_SOCKETS={0x2c, 0x7, [{0x8, 0x1, r9}, {0x8, 0x1, r11}, {0x8, 0x1, r0}, {0x8}, {0x8, 0x1, r0}]}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}]}, 0x54}, 0x1, 0x0, 0x0, 0x80000c0}, 0x4000000) 10:47:19 executing program 5: r0 = socket$kcm(0x10, 0x2, 0x10) sendmsg$kcm(r0, &(0x7f0000000280)={0x0, 0xfffffffffffffe86, &(0x7f0000000040)=[{&(0x7f0000000300)="1400000013000507ed008064d20010002e000080", 0x14}], 0x1}, 0x20000000) 10:47:19 executing program 2: r0 = openat$zero(0xffffffffffffff9c, &(0x7f0000000040)='/dev/zero\x00', 0x20, 0x0) r1 = openat$cgroup_ro(r0, &(0x7f00000000c0)='rdma.current\x00', 0x26e1, 0x0) r2 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000100)='memory.events\x00', 0x7a05, 0x1700) r3 = socket$inet6_dccp(0xa, 0x6, 0x0) getsockopt$inet6_int(r3, 0x29, 0x3c, 0x0, &(0x7f00000015c0)) r4 = socket$inet6_dccp(0xa, 0x6, 0x0) getsockopt$inet6_int(r4, 0x29, 0x3c, 0x0, &(0x7f00000015c0)) r5 = socket$inet6_dccp(0xa, 0x6, 0x0) getsockopt$inet6_int(r5, 0x29, 0x3c, 0x0, &(0x7f00000015c0)) r6 = socket$inet6_dccp(0xa, 0x6, 0x0) getsockopt$inet6_int(r6, 0x29, 0x3c, 0x0, &(0x7f00000015c0)) r7 = socket$inet6_dccp(0xa, 0x6, 0x0) getsockopt$inet6_int(r7, 0x29, 0x3c, 0x0, &(0x7f00000015c0)) r8 = socket$inet6_dccp(0xa, 0x6, 0x0) getsockopt$inet6_int(r8, 0x29, 0x3c, 0x0, &(0x7f00000015c0)) write$cgroup_subtree(r1, &(0x7f0000000600)=ANY=[@ANYPTR=&(0x7f0000000280)=ANY=[@ANYRES16=0x0, @ANYRES64, @ANYRESDEC, @ANYRES64=r0, @ANYPTR64=&(0x7f0000000200)=ANY=[@ANYRESOCT=0x0, @ANYPTR64, @ANYRES64, @ANYRESDEC=r3, @ANYRESHEX=r4, @ANYRES32=r5, @ANYRES64=r6, @ANYRESDEC=r7], @ANYPTR64=&(0x7f0000000140)=ANY=[@ANYRES64, @ANYRESHEX=r8, @ANYPTR, @ANYRESDEC=r1]]], 0x8) ioctl$FS_IOC_RESVSP(r1, 0x40305828, &(0x7f00000001c0)={0x0, 0x0, 0x0, 0xcf}) ioctl$FS_IOC_RESVSP(r2, 0x40305828, &(0x7f0000000180)={0x0, 0x0, 0xae15, 0xd8a}) ioctl$FS_IOC_SETFLAGS(r2, 0x40086602, &(0x7f0000000080)=0x9) socketpair$unix(0x1, 0x1, 0x0, &(0x7f0000000180)={0xffffffffffffffff, 0xffffffffffffffff}) r10 = dup(r9) ioctl$PERF_EVENT_IOC_ENABLE(r10, 0x8912, 0x400200) fcntl$dupfd(0xffffffffffffffff, 0x0, 0xffffffffffffffff) write$cgroup_pid(r2, &(0x7f0000000000), 0xfffffea6) 10:47:19 executing program 1: r0 = perf_event_open(&(0x7f0000940000)={0x2, 0x70, 0xfffffffffffffffd, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}}, 0x0, 0x0, 0xffffffffffffffff, 0x0) mmap(&(0x7f00004da000/0x1000)=nil, 0x1000, 0x0, 0x4000012, r0, 0x0) mincore(&(0x7f00003fa000/0x200000)=nil, 0x2001ab, &(0x7f0000000000)=""/222) 10:47:19 executing program 4: r0 = socket$kcm(0x2b, 0x8000000000001, 0x0) ioctl$PERF_EVENT_IOC_ENABLE(r0, 0x8912, 0x400200) r1 = socket$inet6(0xa, 0x3, 0x6) setsockopt$inet6_IPV6_FLOWLABEL_MGR(r1, 0x29, 0x20, &(0x7f0000000300)={@mcast2, 0x10000, 0x0, 0x102, 0x8000003}, 0x20) r2 = socket$kcm(0x2b, 0x8000000000001, 0x0) ioctl$PERF_EVENT_IOC_ENABLE(r2, 0x8912, 0x400200) r3 = openat$vcs(0xffffffffffffff9c, &(0x7f0000000000)='/dev/vcs\x00', 0x0, 0x0) r4 = socket$nl_generic(0x10, 0x3, 0x10) clock_gettime(0x6, &(0x7f0000000080)) r5 = socket$inet6_dccp(0xa, 0x6, 0x0) getsockopt$inet6_int(r5, 0x29, 0x3c, 0x0, &(0x7f00000015c0)) r6 = socket$kcm(0x2b, 0x8000000000001, 0x0) ioctl$PERF_EVENT_IOC_ENABLE(r6, 0x8912, 0x400200) r7 = openat$vcs(0xffffffffffffff9c, &(0x7f0000000000)='/dev/vcs\x00', 0x0, 0x0) r8 = socket$nl_generic(0x10, 0x3, 0x10) poll(&(0x7f0000000040)=[{r7}, {r6}, {r8}], 0x3, 0x6) write$FUSE_NOTIFY_RETRIEVE(r7, &(0x7f0000000140)={0x30, 0x5, 0x0, {0x0, 0x3, 0x3ff, 0x6}}, 0x30) read(r5, &(0x7f00000000c0)=""/110, 0x6e) poll(&(0x7f0000000040)=[{r3}, {r2}, {r4}], 0x3, 0x6) r9 = getpid() sched_setattr(r9, &(0x7f0000000040)={0x30, 0x2, 0x0, 0x0, 0x8}, 0x0) mq_notify(r3, &(0x7f0000000000)={0x0, 0x30, 0x0, @tid=r9}) 10:47:19 executing program 2: r0 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f00000000c0)='memory.events\x00', 0x26e1, 0x0) r1 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000100)='memory.events\x00', 0x7a05, 0x1700) write$cgroup_subtree(r0, &(0x7f0000000600)=ANY=[@ANYPTR64], 0xfe9d) ioctl$FS_IOC_RESVSP(r0, 0x40305828, &(0x7f00000001c0)={0x0, 0x0, 0x0, 0xcf}) ioctl$FS_IOC_RESVSP(r1, 0x40305828, &(0x7f0000000180)={0x0, 0x0, 0xae15, 0xd8a}) ioctl$FS_IOC_SETFLAGS(r1, 0x40086602, &(0x7f0000000080)=0x9) socketpair$unix(0x1, 0x1, 0x0, &(0x7f0000000180)={0xffffffffffffffff, 0xffffffffffffffff}) r3 = dup(r2) finit_module(0xffffffffffffffff, &(0x7f0000000040)='-\x00', 0x2) ioctl$PERF_EVENT_IOC_ENABLE(r3, 0x8912, 0x400200) fcntl$dupfd(0xffffffffffffffff, 0x0, 0xffffffffffffffff) write$cgroup_pid(r1, &(0x7f0000000000), 0xfffffea6) 10:47:19 executing program 5: 10:47:19 executing program 3: mknod(&(0x7f0000000040)='./bus\x00', 0x2000000000001003, 0x0) r0 = open(&(0x7f0000000100)='./bus\x00', 0x20000000000b04, 0x0) r1 = epoll_create(0x7) epoll_ctl$EPOLL_CTL_ADD(r1, 0x1, r0, &(0x7f00000001c0)) r2 = socket$kcm(0x2b, 0x8000000000001, 0x0) ioctl$PERF_EVENT_IOC_ENABLE(r2, 0x8912, 0x400200) r3 = openat$vcs(0xffffffffffffff9c, &(0x7f0000000000)='/dev/vcs\x00', 0x0, 0x0) r4 = socket$nl_generic(0x10, 0x3, 0x10) poll(&(0x7f0000000040)=[{r3}, {r2}, {r4}], 0x3, 0x6) r5 = socket(0x2000000000000021, 0x2, 0x10000000000002) connect$rxrpc(r5, &(0x7f0000000140)=@in4={0x21, 0x0, 0x2, 0x10, {0x2, 0x0, @rand_addr=0xdd}}, 0x24) sendmmsg(r5, &(0x7f0000005c00)=[{{0x0, 0xfffffffffffffd95, 0x0, 0x0, &(0x7f0000000000)=ANY=[@ANYBLOB="18000800000000001001000001000000ec00000000000000"], 0x18}}], 0x1, 0x0) r6 = socket$inet6(0xa, 0x3, 0x6) mmap(&(0x7f0000ffd000/0x2000)=nil, 0x2000, 0x8, 0x810, r6, 0x0) setsockopt$inet6_IPV6_FLOWLABEL_MGR(r6, 0x29, 0x20, &(0x7f0000000080)={@loopback, 0x800, 0x0, 0x100000003, 0x1, 0x0, 0x0, 0x400000000}, 0x20) setsockopt$inet6_IPV6_FLOWLABEL_MGR(r6, 0x29, 0x20, &(0x7f0000000300)={@mcast2, 0x10000, 0x0, 0x102, 0x8000003}, 0x20) setsockopt$inet6_IPV6_FLOWLABEL_MGR(r6, 0x29, 0x20, &(0x7f0000000040)={@loopback, 0x0, 0x0, 0x1, 0x3}, 0x20) connect$inet6(r6, &(0x7f0000000500)={0xa, 0x0, 0x40f7, @mcast2, 0x7ff}, 0x9) r7 = syz_open_procfs(0x0, &(0x7f0000000600)='net/ip6_flowlabel\x00n\xc01\x14\x894X\xed\xc1\xc9\xd8\xdcK\r\x8d\xae\x98&@\xd0\xe6\xbbQ\xd7\xffYn\x1c\x92\xde\x0e\xaa1\x91\x98\xe9\x1f\nMCi|+\xcdw\xf0\x176Z\xf1`\xac\xf3;\xd6d2\xeb\xe5\f\x0e\x8b\xda\xf7\xfc9\xfe\xff4\xef\'\xa19q\x93\"\x7fG3\xc1E\xe6e6\xc6\xc2u\x11% \xe7+0\x97\x84;\\\xda\xc4\x80\xc3\xb18N\xbfY%\x05\xf8\x85\x89\xfc\xd2\xd7') sendfile(r6, r7, 0x0, 0x4000000000dc) r8 = syz_genetlink_get_family_id$nbd(&(0x7f0000000140)='nbd\x00') ioctl$KVM_S390_UCAS_UNMAP(r7, 0x4018ae51, &(0x7f00000000c0)={0x8000, 0x7ff, 0x2}) sendmsg$NBD_CMD_RECONFIGURE(r7, &(0x7f0000000200)={&(0x7f0000000100)={0x10, 0x0, 0x0, 0x80}, 0xc, &(0x7f00000001c0)={&(0x7f0000000180)={0x1ce, r8, 0xc05, 0x70bd29, 0x25dfdbff}, 0x14}, 0x1, 0x0, 0x0, 0x4}, 0x84) sendmsg$NBD_CMD_STATUS(r5, &(0x7f00000002c0)={&(0x7f0000000180)={0x10, 0x0, 0x0, 0x1000000}, 0xc, &(0x7f0000000280)={&(0x7f00000001c0)={0x28, r8, 0x10, 0x70bd25, 0x25dfdbfb, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x5}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x28}, 0x1, 0x0, 0x0, 0x8b29ba74f3c49941}, 0x4044) r9 = openat$audio(0xffffffffffffff9c, &(0x7f0000003500)='/dev/audio\x00', 0x200000, 0x0) r10 = socket$kcm(0x2b, 0x8000000000001, 0x0) ioctl$PERF_EVENT_IOC_ENABLE(r10, 0x8912, 0x400200) r11 = openat$vcs(0xffffffffffffff9c, &(0x7f0000000000)='/dev/vcs\x00', 0x0, 0x0) r12 = socket$nl_generic(0x10, 0x3, 0x10) poll(&(0x7f0000000040)=[{r11}, {r10}, {r12}], 0x3, 0x6) sendmsg$NBD_CMD_CONNECT(r3, &(0x7f0000003600)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x80}, 0xc, &(0x7f00000035c0)={&(0x7f0000003540)={0x54, r8, 0x300, 0x70bd2b, 0x25dfdbfe, {}, [@NBD_ATTR_SOCKETS={0x2c, 0x7, [{0x8, 0x1, r9}, {0x8, 0x1, r11}, {0x8, 0x1, r0}, {0x8}, {0x8, 0x1, r0}]}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}]}, 0x54}, 0x1, 0x0, 0x0, 0x80000c0}, 0x4000000) 10:47:19 executing program 1: r0 = perf_event_open(&(0x7f0000940000)={0x2, 0x70, 0xfffffffffffffffd, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}}, 0x0, 0x0, 0xffffffffffffffff, 0x0) mmap(&(0x7f00004da000/0x1000)=nil, 0x1000, 0x0, 0x4000012, r0, 0x0) mincore(&(0x7f00003fa000/0x200000)=nil, 0x2001ac, &(0x7f0000000000)=""/222) 10:47:19 executing program 5: 10:47:19 executing program 4: r0 = socket$kcm(0x2b, 0x8000000000001, 0x0) r1 = openat$qat_adf_ctl(0xffffffffffffff9c, &(0x7f0000000000)='/dev/qat_adf_ctl\x00', 0x4080, 0x0) read$char_usb(r1, &(0x7f0000000040)=""/151, 0x97) ioctl$PERF_EVENT_IOC_ENABLE(r0, 0x8912, 0x400200) r2 = socket$inet6(0xa, 0x3, 0x6) setsockopt$inet6_IPV6_FLOWLABEL_MGR(r2, 0x29, 0x20, &(0x7f0000000300)={@mcast2, 0x10000, 0x0, 0x102, 0x8000003}, 0x20) 10:47:19 executing program 5: 10:47:19 executing program 2: r0 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f00000000c0)='memory.events\x00', 0x26e1, 0x0) r1 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000100)='memory.events\x00', 0x7a05, 0x1700) write$cgroup_subtree(r0, &(0x7f0000000600)=ANY=[@ANYPTR64], 0xfe9d) ioctl$FS_IOC_RESVSP(r0, 0x40305828, &(0x7f00000001c0)={0x0, 0x3, 0x0, 0xcf}) ioctl$FS_IOC_RESVSP(r1, 0x40305828, &(0x7f0000000180)={0x0, 0x0, 0xae15, 0xd8a}) ioctl$FS_IOC_SETFLAGS(r1, 0x40086602, &(0x7f0000000080)=0x9) r2 = socket$nl_generic(0x10, 0x3, 0x10) r3 = syz_genetlink_get_family_id$tipc(&(0x7f0000000040)='TIPC\x00') sendmsg$TIPC_CMD_SHOW_LINK_STATS(r2, &(0x7f00000001c0)={0x0, 0xe, &(0x7f0000000180)={&(0x7f0000000100)={0x30, r3, 0x23f, 0x0, 0x0, {{}, 0x0, 0xb, 0x0, {0x14, 0x14, 'broadcast-link\x00'}}}, 0x30}}, 0x0) sendmsg$TIPC_CMD_GET_REMOTE_MNG(r1, &(0x7f0000000240)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x80}, 0xc, &(0x7f0000000200)={&(0x7f0000000140)={0x1c, r3, 0x10, 0x70bd25, 0x25dfdbfe, {}, ["", "", "", "", ""]}, 0x1c}, 0x1, 0x0, 0x0, 0x14000014}, 0x4000010) socketpair$unix(0x1, 0x1, 0x0, &(0x7f0000000180)={0xffffffffffffffff, 0xffffffffffffffff}) r5 = dup(r4) ioctl$PERF_EVENT_IOC_ENABLE(r5, 0x8912, 0x400200) fcntl$dupfd(0xffffffffffffffff, 0x0, 0xffffffffffffffff) write$cgroup_pid(r1, &(0x7f0000000000), 0xfffffea6) 10:47:19 executing program 3: mknod(&(0x7f0000000040)='./bus\x00', 0x2000000000001003, 0x0) r0 = open(&(0x7f0000000100)='./bus\x00', 0x20000000000b04, 0x0) r1 = epoll_create(0x7) epoll_ctl$EPOLL_CTL_ADD(r1, 0x1, r0, &(0x7f00000001c0)) r2 = socket$kcm(0x2b, 0x8000000000001, 0x0) ioctl$PERF_EVENT_IOC_ENABLE(r2, 0x8912, 0x400200) r3 = openat$vcs(0xffffffffffffff9c, &(0x7f0000000000)='/dev/vcs\x00', 0x0, 0x0) r4 = socket$nl_generic(0x10, 0x3, 0x10) poll(&(0x7f0000000040)=[{r3}, {r2}, {r4}], 0x3, 0x6) r5 = socket(0x2000000000000021, 0x2, 0x10000000000002) connect$rxrpc(r5, &(0x7f0000000140)=@in4={0x21, 0x0, 0x2, 0x10, {0x2, 0x0, @rand_addr=0xdd}}, 0x24) sendmmsg(r5, &(0x7f0000005c00)=[{{0x0, 0xfffffffffffffd95, 0x0, 0x0, &(0x7f0000000000)=ANY=[@ANYBLOB="18000800000000001001000001000000ec00000000000000"], 0x18}}], 0x1, 0x0) r6 = socket$inet6(0xa, 0x3, 0x6) mmap(&(0x7f0000ffd000/0x2000)=nil, 0x2000, 0x8, 0x810, r6, 0x0) setsockopt$inet6_IPV6_FLOWLABEL_MGR(r6, 0x29, 0x20, &(0x7f0000000080)={@loopback, 0x800, 0x0, 0x100000003, 0x1, 0x0, 0x0, 0x400000000}, 0x20) setsockopt$inet6_IPV6_FLOWLABEL_MGR(r6, 0x29, 0x20, &(0x7f0000000300)={@mcast2, 0x10000, 0x0, 0x102, 0x8000003}, 0x20) setsockopt$inet6_IPV6_FLOWLABEL_MGR(r6, 0x29, 0x20, &(0x7f0000000040)={@loopback, 0x0, 0x0, 0x1, 0x3}, 0x20) connect$inet6(r6, &(0x7f0000000500)={0xa, 0x0, 0x40f7, @mcast2, 0x7ff}, 0x9) r7 = syz_open_procfs(0x0, &(0x7f0000000600)='net/ip6_flowlabel\x00n\xc01\x14\x894X\xed\xc1\xc9\xd8\xdcK\r\x8d\xae\x98&@\xd0\xe6\xbbQ\xd7\xffYn\x1c\x92\xde\x0e\xaa1\x91\x98\xe9\x1f\nMCi|+\xcdw\xf0\x176Z\xf1`\xac\xf3;\xd6d2\xeb\xe5\f\x0e\x8b\xda\xf7\xfc9\xfe\xff4\xef\'\xa19q\x93\"\x7fG3\xc1E\xe6e6\xc6\xc2u\x11% \xe7+0\x97\x84;\\\xda\xc4\x80\xc3\xb18N\xbfY%\x05\xf8\x85\x89\xfc\xd2\xd7') sendfile(r6, r7, 0x0, 0x4000000000dc) r8 = syz_genetlink_get_family_id$nbd(&(0x7f0000000140)='nbd\x00') ioctl$KVM_S390_UCAS_UNMAP(r7, 0x4018ae51, &(0x7f00000000c0)={0x8000, 0x7ff, 0x2}) sendmsg$NBD_CMD_RECONFIGURE(r7, &(0x7f0000000200)={&(0x7f0000000100)={0x10, 0x0, 0x0, 0x80}, 0xc, &(0x7f00000001c0)={&(0x7f0000000180)={0x1ce, r8, 0xc05, 0x70bd29, 0x25dfdbff}, 0x14}, 0x1, 0x0, 0x0, 0x4}, 0x84) sendmsg$NBD_CMD_STATUS(r5, &(0x7f00000002c0)={&(0x7f0000000180)={0x10, 0x0, 0x0, 0x1000000}, 0xc, &(0x7f0000000280)={&(0x7f00000001c0)={0x28, r8, 0x10, 0x70bd25, 0x25dfdbfb, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x5}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x28}, 0x1, 0x0, 0x0, 0x8b29ba74f3c49941}, 0x4044) r9 = openat$audio(0xffffffffffffff9c, &(0x7f0000003500)='/dev/audio\x00', 0x200000, 0x0) r10 = socket$kcm(0x2b, 0x8000000000001, 0x0) ioctl$PERF_EVENT_IOC_ENABLE(r10, 0x8912, 0x400200) r11 = openat$vcs(0xffffffffffffff9c, &(0x7f0000000000)='/dev/vcs\x00', 0x0, 0x0) r12 = socket$nl_generic(0x10, 0x3, 0x10) poll(&(0x7f0000000040)=[{r11}, {r10}, {r12}], 0x3, 0x6) sendmsg$NBD_CMD_CONNECT(r3, &(0x7f0000003600)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x80}, 0xc, &(0x7f00000035c0)={&(0x7f0000003540)={0x54, r8, 0x300, 0x70bd2b, 0x25dfdbfe, {}, [@NBD_ATTR_SOCKETS={0x2c, 0x7, [{0x8, 0x1, r9}, {0x8, 0x1, r11}, {0x8, 0x1, r0}, {0x8}, {0x8, 0x1, r0}]}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}]}, 0x54}, 0x1, 0x0, 0x0, 0x80000c0}, 0x4000000) 10:47:19 executing program 1: r0 = perf_event_open(&(0x7f0000940000)={0x2, 0x70, 0xfffffffffffffffd, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}}, 0x0, 0x0, 0xffffffffffffffff, 0x0) mmap(&(0x7f00004da000/0x1000)=nil, 0x1000, 0x0, 0x4000012, r0, 0x0) mincore(&(0x7f00003fa000/0x200000)=nil, 0x2001ad, &(0x7f0000000000)=""/222) [ 985.499212][ C0] net_ratelimit: 8 callbacks suppressed [ 985.499224][ C0] protocol 88fb is buggy, dev hsr_slave_0 [ 985.510604][ C0] protocol 88fb is buggy, dev hsr_slave_1 10:47:20 executing program 5: 10:47:20 executing program 4: r0 = socket$kcm(0x2b, 0x8000000000001, 0x0) ioctl$PERF_EVENT_IOC_ENABLE(r0, 0x8912, 0x400200) ioctl$sock_SIOCSIFVLAN_GET_VLAN_REALDEV_NAME_CMD(r0, 0x8983, &(0x7f0000000000)={0x8, 'team_slave_1\x00', {'teql0\x00'}, 0x3}) r1 = socket$inet6(0xa, 0x3, 0x6) setsockopt$inet6_IPV6_FLOWLABEL_MGR(r1, 0x29, 0x20, &(0x7f0000000300)={@mcast2, 0x10000, 0x0, 0x102, 0x8000003}, 0x20) 10:47:20 executing program 5: 10:47:20 executing program 4: r0 = socket$kcm(0x2b, 0x8000000000001, 0x0) ioctl$PERF_EVENT_IOC_ENABLE(r0, 0x8912, 0x400200) setsockopt$inet6_IPV6_FLOWLABEL_MGR(0xffffffffffffffff, 0x29, 0x20, &(0x7f0000000300)={@mcast2, 0x10000, 0x0, 0x102, 0x8000003}, 0x20) r1 = openat$vcs(0xffffffffffffff9c, &(0x7f0000000000)='/dev/vcs\x00', 0x4e00, 0x0) sendfile(r1, r0, &(0x7f0000000040)=0x2, 0x1) 10:47:20 executing program 3: mknod(&(0x7f0000000040)='./bus\x00', 0x2000000000001003, 0x0) r0 = open(&(0x7f0000000100)='./bus\x00', 0x20000000000b04, 0x0) r1 = epoll_create(0x7) epoll_ctl$EPOLL_CTL_ADD(r1, 0x1, r0, &(0x7f00000001c0)) r2 = socket$kcm(0x2b, 0x8000000000001, 0x0) ioctl$PERF_EVENT_IOC_ENABLE(r2, 0x8912, 0x400200) r3 = openat$vcs(0xffffffffffffff9c, &(0x7f0000000000)='/dev/vcs\x00', 0x0, 0x0) r4 = socket$nl_generic(0x10, 0x3, 0x10) poll(&(0x7f0000000040)=[{r3}, {r2}, {r4}], 0x3, 0x6) r5 = socket(0x2000000000000021, 0x2, 0x10000000000002) connect$rxrpc(r5, &(0x7f0000000140)=@in4={0x21, 0x0, 0x2, 0x10, {0x2, 0x0, @rand_addr=0xdd}}, 0x24) sendmmsg(r5, &(0x7f0000005c00)=[{{0x0, 0xfffffffffffffd95, 0x0, 0x0, &(0x7f0000000000)=ANY=[@ANYBLOB="18000800000000001001000001000000ec00000000000000"], 0x18}}], 0x1, 0x0) r6 = socket$inet6(0xa, 0x3, 0x6) mmap(&(0x7f0000ffd000/0x2000)=nil, 0x2000, 0x8, 0x810, r6, 0x0) setsockopt$inet6_IPV6_FLOWLABEL_MGR(r6, 0x29, 0x20, &(0x7f0000000080)={@loopback, 0x800, 0x0, 0x100000003, 0x1, 0x0, 0x0, 0x400000000}, 0x20) setsockopt$inet6_IPV6_FLOWLABEL_MGR(r6, 0x29, 0x20, &(0x7f0000000300)={@mcast2, 0x10000, 0x0, 0x102, 0x8000003}, 0x20) setsockopt$inet6_IPV6_FLOWLABEL_MGR(r6, 0x29, 0x20, &(0x7f0000000040)={@loopback, 0x0, 0x0, 0x1, 0x3}, 0x20) connect$inet6(r6, &(0x7f0000000500)={0xa, 0x0, 0x40f7, @mcast2, 0x7ff}, 0x9) r7 = syz_open_procfs(0x0, &(0x7f0000000600)='net/ip6_flowlabel\x00n\xc01\x14\x894X\xed\xc1\xc9\xd8\xdcK\r\x8d\xae\x98&@\xd0\xe6\xbbQ\xd7\xffYn\x1c\x92\xde\x0e\xaa1\x91\x98\xe9\x1f\nMCi|+\xcdw\xf0\x176Z\xf1`\xac\xf3;\xd6d2\xeb\xe5\f\x0e\x8b\xda\xf7\xfc9\xfe\xff4\xef\'\xa19q\x93\"\x7fG3\xc1E\xe6e6\xc6\xc2u\x11% \xe7+0\x97\x84;\\\xda\xc4\x80\xc3\xb18N\xbfY%\x05\xf8\x85\x89\xfc\xd2\xd7') sendfile(r6, r7, &(0x7f0000000240), 0x4000000000dc) r8 = syz_genetlink_get_family_id$nbd(&(0x7f0000000140)='nbd\x00') ioctl$KVM_S390_UCAS_UNMAP(r7, 0x4018ae51, &(0x7f00000000c0)={0x8000, 0x7ff, 0x2}) sendmsg$NBD_CMD_RECONFIGURE(r7, &(0x7f0000000200)={&(0x7f0000000100)={0x10, 0x0, 0x0, 0x80}, 0xc, &(0x7f00000001c0)={&(0x7f0000000180)={0x1ce, r8, 0xc05, 0x70bd29, 0x25dfdbff}, 0x14}, 0x1, 0x0, 0x0, 0x4}, 0x84) sendmsg$NBD_CMD_STATUS(r5, &(0x7f00000002c0)={&(0x7f0000000180)={0x10, 0x0, 0x0, 0x1000000}, 0xc, &(0x7f0000000280)={&(0x7f00000001c0)={0x28, r8, 0x10, 0x70bd25, 0x25dfdbfb, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x5}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x28}, 0x1, 0x0, 0x0, 0x8b29ba74f3c49941}, 0x4044) r9 = openat$audio(0xffffffffffffff9c, &(0x7f0000003500)='/dev/audio\x00', 0x200000, 0x0) r10 = socket$kcm(0x2b, 0x8000000000001, 0x0) ioctl$PERF_EVENT_IOC_ENABLE(r10, 0x8912, 0x400200) r11 = openat$vcs(0xffffffffffffff9c, &(0x7f0000000000)='/dev/vcs\x00', 0x0, 0x0) r12 = socket$nl_generic(0x10, 0x3, 0x10) poll(&(0x7f0000000040)=[{r11}, {r10}, {r12}], 0x3, 0x6) sendmsg$NBD_CMD_CONNECT(r3, &(0x7f0000003600)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x80}, 0xc, &(0x7f00000035c0)={&(0x7f0000003540)={0x54, r8, 0x300, 0x70bd2b, 0x25dfdbfe, {}, [@NBD_ATTR_SOCKETS={0x2c, 0x7, [{0x8, 0x1, r9}, {0x8, 0x1, r11}, {0x8, 0x1, r0}, {0x8}, {0x8, 0x1, r0}]}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}]}, 0x54}, 0x1, 0x0, 0x0, 0x80000c0}, 0x4000000) 10:47:20 executing program 1: r0 = perf_event_open(&(0x7f0000940000)={0x2, 0x70, 0xfffffffffffffffd, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}}, 0x0, 0x0, 0xffffffffffffffff, 0x0) mmap(&(0x7f00004da000/0x1000)=nil, 0x1000, 0x0, 0x4000012, r0, 0x0) mincore(&(0x7f00003fa000/0x200000)=nil, 0x2001ae, &(0x7f0000000000)=""/222) 10:47:20 executing program 2: r0 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f00000000c0)='memory.events\x00', 0x26e1, 0x0) r1 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000100)='memory.events\x00', 0x7a05, 0x1700) write$cgroup_subtree(r0, &(0x7f0000000600)=ANY=[@ANYPTR64], 0xfe9d) ioctl$FS_IOC_RESVSP(r0, 0x40305828, &(0x7f00000001c0)={0x0, 0x0, 0x0, 0xcf}) ioctl$FS_IOC_RESVSP(r1, 0x40305828, &(0x7f0000000180)={0x0, 0x0, 0xae15, 0xd8a}) ioctl$FS_IOC_SETFLAGS(r1, 0x40086602, &(0x7f0000000080)=0x9) socketpair$unix(0x1, 0x1, 0x0, &(0x7f0000000180)={0xffffffffffffffff, 0xffffffffffffffff}) r3 = dup(r2) ioctl$PERF_EVENT_IOC_ENABLE(r3, 0x8912, 0x400200) r4 = socket$inet6_dccp(0xa, 0x6, 0x0) getsockopt$inet6_int(r4, 0x29, 0x3c, 0x0, &(0x7f00000015c0)) r5 = socket$inet6_dccp(0xa, 0x6, 0x0) getsockopt$inet6_int(r5, 0x29, 0x3c, 0x0, &(0x7f00000015c0)) r6 = socket$inet6_dccp(0xa, 0x6, 0x0) getsockopt$inet6_int(r6, 0x29, 0x3c, 0x0, &(0x7f00000015c0)) fcntl$dupfd(r6, 0x605, r4) write$cgroup_pid(r1, &(0x7f0000000000), 0xfffffea6) 10:47:20 executing program 5: [ 985.979259][ C1] protocol 88fb is buggy, dev hsr_slave_0 [ 985.985076][ C1] protocol 88fb is buggy, dev hsr_slave_1 10:47:20 executing program 3: mknod(&(0x7f0000000040)='./bus\x00', 0x2000000000001003, 0x0) r0 = open(&(0x7f0000000100)='./bus\x00', 0x20000000000b04, 0x0) r1 = epoll_create(0x7) epoll_ctl$EPOLL_CTL_ADD(r1, 0x1, r0, &(0x7f00000001c0)) r2 = socket$kcm(0x2b, 0x8000000000001, 0x0) ioctl$PERF_EVENT_IOC_ENABLE(r2, 0x8912, 0x400200) r3 = openat$vcs(0xffffffffffffff9c, &(0x7f0000000000)='/dev/vcs\x00', 0x0, 0x0) r4 = socket$nl_generic(0x10, 0x3, 0x10) poll(&(0x7f0000000040)=[{r3}, {r2}, {r4}], 0x3, 0x6) r5 = socket(0x2000000000000021, 0x2, 0x10000000000002) connect$rxrpc(r5, &(0x7f0000000140)=@in4={0x21, 0x0, 0x2, 0x10, {0x2, 0x0, @rand_addr=0xdd}}, 0x24) sendmmsg(r5, &(0x7f0000005c00)=[{{0x0, 0xfffffffffffffd95, 0x0, 0x0, &(0x7f0000000000)=ANY=[@ANYBLOB="18000800000000001001000001000000ec00000000000000"], 0x18}}], 0x1, 0x0) r6 = socket$inet6(0xa, 0x3, 0x6) mmap(&(0x7f0000ffd000/0x2000)=nil, 0x2000, 0x8, 0x810, r6, 0x0) setsockopt$inet6_IPV6_FLOWLABEL_MGR(r6, 0x29, 0x20, &(0x7f0000000080)={@loopback, 0x800, 0x0, 0x100000003, 0x1, 0x0, 0x0, 0x400000000}, 0x20) setsockopt$inet6_IPV6_FLOWLABEL_MGR(r6, 0x29, 0x20, &(0x7f0000000300)={@mcast2, 0x10000, 0x0, 0x102, 0x8000003}, 0x20) setsockopt$inet6_IPV6_FLOWLABEL_MGR(r6, 0x29, 0x20, &(0x7f0000000040)={@loopback, 0x0, 0x0, 0x1, 0x3}, 0x20) connect$inet6(r6, &(0x7f0000000500)={0xa, 0x0, 0x40f7, @mcast2, 0x7ff}, 0x9) r7 = syz_open_procfs(0x0, &(0x7f0000000600)='net/ip6_flowlabel\x00n\xc01\x14\x894X\xed\xc1\xc9\xd8\xdcK\r\x8d\xae\x98&@\xd0\xe6\xbbQ\xd7\xffYn\x1c\x92\xde\x0e\xaa1\x91\x98\xe9\x1f\nMCi|+\xcdw\xf0\x176Z\xf1`\xac\xf3;\xd6d2\xeb\xe5\f\x0e\x8b\xda\xf7\xfc9\xfe\xff4\xef\'\xa19q\x93\"\x7fG3\xc1E\xe6e6\xc6\xc2u\x11% \xe7+0\x97\x84;\\\xda\xc4\x80\xc3\xb18N\xbfY%\x05\xf8\x85\x89\xfc\xd2\xd7') sendfile(r6, r7, &(0x7f0000000240), 0x4000000000dc) r8 = syz_genetlink_get_family_id$nbd(&(0x7f0000000140)='nbd\x00') ioctl$KVM_S390_UCAS_UNMAP(r7, 0x4018ae51, &(0x7f00000000c0)={0x8000, 0x7ff, 0x2}) sendmsg$NBD_CMD_RECONFIGURE(r7, &(0x7f0000000200)={&(0x7f0000000100)={0x10, 0x0, 0x0, 0x80}, 0xc, &(0x7f00000001c0)={&(0x7f0000000180)={0x1ce, r8, 0xc05, 0x70bd29, 0x25dfdbff}, 0x14}, 0x1, 0x0, 0x0, 0x4}, 0x84) sendmsg$NBD_CMD_STATUS(r5, &(0x7f00000002c0)={&(0x7f0000000180)={0x10, 0x0, 0x0, 0x1000000}, 0xc, &(0x7f0000000280)={&(0x7f00000001c0)={0x28, r8, 0x10, 0x70bd25, 0x25dfdbfb, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x5}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x28}, 0x1, 0x0, 0x0, 0x8b29ba74f3c49941}, 0x4044) r9 = openat$audio(0xffffffffffffff9c, &(0x7f0000003500)='/dev/audio\x00', 0x200000, 0x0) r10 = socket$kcm(0x2b, 0x8000000000001, 0x0) ioctl$PERF_EVENT_IOC_ENABLE(r10, 0x8912, 0x400200) r11 = openat$vcs(0xffffffffffffff9c, &(0x7f0000000000)='/dev/vcs\x00', 0x0, 0x0) r12 = socket$nl_generic(0x10, 0x3, 0x10) poll(&(0x7f0000000040)=[{r11}, {r10}, {r12}], 0x3, 0x6) sendmsg$NBD_CMD_CONNECT(r3, &(0x7f0000003600)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x80}, 0xc, &(0x7f00000035c0)={&(0x7f0000003540)={0x54, r8, 0x300, 0x70bd2b, 0x25dfdbfe, {}, [@NBD_ATTR_SOCKETS={0x2c, 0x7, [{0x8, 0x1, r9}, {0x8, 0x1, r11}, {0x8, 0x1, r0}, {0x8}, {0x8, 0x1, r0}]}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}]}, 0x54}, 0x1, 0x0, 0x0, 0x80000c0}, 0x4000000) 10:47:20 executing program 5: 10:47:20 executing program 4: r0 = socket$kcm(0x2b, 0x8000000000001, 0x0) ioctl$PERF_EVENT_IOC_ENABLE(r0, 0x8912, 0x400200) r1 = openat$vcs(0xffffffffffffff9c, &(0x7f0000000000)='/dev/vcs\x00', 0x0, 0x0) r2 = socket$nl_generic(0x10, 0x3, 0x10) poll(&(0x7f0000000040)=[{r1}, {r0}, {r2}], 0x3, 0x6) setsockopt$inet_sctp6_SCTP_SOCKOPT_BINDX_REM(r1, 0x84, 0x65, &(0x7f0000000180)=[@in6={0xa, 0x4e23, 0xffffffff, @initdev={0xfe, 0x88, [], 0x0, 0x0}, 0x7f}, @in={0x2, 0x4e22, @remote}, @in={0x2, 0x4e23, @broadcast}], 0x3c) r3 = socket$kcm(0x2b, 0x8000000000001, 0x0) r4 = syz_open_dev$admmidi(&(0x7f0000000040)='/dev/admmidi#\x00', 0x3, 0x20040) sendto$inet(r4, &(0x7f0000000080)="ebb533b1f56ec30d96896a608a48df84cb0aeb8c238936188cf9e5ab35c2b4dcfeeec130c6f27a41d23b9fe12d4096b70265a619357ceb60386fac17a6256120", 0x40, 0xc0, &(0x7f00000000c0)={0x2, 0x4e24, @multicast1}, 0x10) ioctl$PERF_EVENT_IOC_ENABLE(r3, 0x8912, 0x400200) r5 = socket$inet6_dccp(0xa, 0x6, 0x0) getsockopt$inet6_int(r5, 0x29, 0x3c, 0x0, &(0x7f00000015c0)) fsetxattr$trusted_overlay_nlink(r5, &(0x7f0000000100)='trusted.overlay.nlink\x00', &(0x7f0000000140)={'L-'}, 0x28, 0x2) r6 = socket$inet6(0xa, 0x3, 0x6) setsockopt$inet6_IPV6_FLOWLABEL_MGR(r6, 0x29, 0x20, &(0x7f0000000000)={@rand_addr="8c7c77400aafbfde3cf2166fd006eac1", 0x10000, 0x0, 0x102, 0x8000003, 0x4000}, 0x20) 10:47:20 executing program 1: r0 = perf_event_open(&(0x7f0000940000)={0x2, 0x70, 0xfffffffffffffffd, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}}, 0x0, 0x0, 0xffffffffffffffff, 0x0) mmap(&(0x7f00004da000/0x1000)=nil, 0x1000, 0x0, 0x4000012, r0, 0x0) mincore(&(0x7f00003fa000/0x200000)=nil, 0x2001af, &(0x7f0000000000)=""/222) [ 986.299179][ C1] protocol 88fb is buggy, dev hsr_slave_0 [ 986.304972][ C1] protocol 88fb is buggy, dev hsr_slave_1 10:47:20 executing program 4: r0 = socket$kcm(0x2b, 0x8000000000001, 0x0) ioctl$PERF_EVENT_IOC_ENABLE(r0, 0x8912, 0x400200) r1 = socket$inet6(0xa, 0x3, 0x6) r2 = socket$kcm(0x2b, 0x8000000000001, 0x0) ioctl$PERF_EVENT_IOC_ENABLE(r2, 0x8912, 0x400200) sendmmsg(0xffffffffffffffff, &(0x7f0000000500)=[{{&(0x7f0000000080)=@l2={0x1f, 0x57, {0x6, 0x6, 0x1, 0x0, 0xb8, 0xd4}, 0x1ff, 0xa6}, 0x80, &(0x7f0000000480)=[{&(0x7f0000000100)="f8f9fa322179d885472321ff2a933da483d8d2080c8e9ad6c417b29e936f9c0ced1474c9c19bd0d20b93ee435727d53fabd3b01ee0177beb97ec", 0x3a}, {&(0x7f0000000140)="80cbda2eac60518f8842df9ce590e1ad4145ae884079d583abce368c01c774b37ccc0c668dc32d089b69e0b99a8d1f9fbfe5d7118a08ad139b60d09b0e2b03ff6ccad8f7389903", 0x47}, {&(0x7f00000001c0)="62b6397ec789b5e0350028a7629f1c2e35777a47b5b74efcc1f1a3b8bbc73962e2aa529d7c38e90408ca4587d007f5b0b0571caf2c769936868c42b0c6e03175c2b10302979087de047f703db46805a856e8f2a7733db43d6d783d4fb47da9e72a899af04dd9c7cd033afdb2968d10595b95cf273c7c7e3d807acb3b348b66c45930599da731fd73835cd47b3808b38a4e41956b20a87143c471e5d30b88d701e49f5d", 0xa3}, {&(0x7f0000000280)="16d2612574c27022c86f597ff8ed72aaabde8a912f4236ab360dac826c5a0dcf0ffd29a22ba25af2b76952426c12094a9ab1b0804f8e7fcbc20bc8e3aea57c74f5e447546ec5799c73c5a8632322f07ed1b15d1bc5c41f22ece6eb17b5901373998568f243ca56b31fd9415445af993dc1387f8e814e1cde9737c8aa971f9c8465e06462c1b86941d634d242e03f3df46582c3dff540e27268", 0x99}, {&(0x7f0000000340)="8b068bcd48a0b2720eaa8b5dca352206763a41e8b3dba70631ae50d5bd05348bc5e23dc85f1b08100b314093eb2b664a1a14ba674b8790c32535a1c2d80691198fc522b109f651ef0639f10df7612624b2d3", 0x52}, {&(0x7f00000003c0)="29f10d159f5e918f581826a63cff212c4f759814467ddef7d01db486dccdae287f935929694033fdf7d58426f036bddd3555cc3b57f38befa22eb2974084d67149f6239d5ec4d3ca3db176646b3d9d883f358952589b0d6598cfdf964c38ec1101d25bc83887146c45d13b51667a1854105d31cce3a5369ed77ed822a4d7943e74b415539459dff6ff7626e5275dda8370c1c00756d2c8adcdc4c9720b", 0x9d}], 0x6}}], 0x1, 0x0) r3 = openat$vcs(0xffffffffffffff9c, &(0x7f0000000000)='/dev/vcs\x00', 0x0, 0x0) r4 = socket$nl_generic(0x10, 0x3, 0x10) ioctl$SIOCRSACCEPT(r3, 0x89e3) poll(&(0x7f0000000040)=[{r3}, {r2}, {r4}], 0x3, 0x6) ioctl$VIDIOC_S_AUDOUT(r3, 0x40345632, &(0x7f0000000040)={0xfffffffe, "067cec8268db97e903ad43c4363f502353c901b13e122154008c35ddef955421", 0x2, 0x1}) setsockopt$inet6_IPV6_FLOWLABEL_MGR(r1, 0x29, 0x20, &(0x7f0000000000)={@rand_addr="8a11841f3647af8fb52339ad894d63b2", 0x7, 0x0, 0x102, 0x8000003}, 0x20) 10:47:20 executing program 3: mknod(&(0x7f0000000040)='./bus\x00', 0x2000000000001003, 0x0) r0 = open(&(0x7f0000000100)='./bus\x00', 0x20000000000b04, 0x0) r1 = epoll_create(0x7) epoll_ctl$EPOLL_CTL_ADD(r1, 0x1, r0, &(0x7f00000001c0)) r2 = socket$kcm(0x2b, 0x8000000000001, 0x0) ioctl$PERF_EVENT_IOC_ENABLE(r2, 0x8912, 0x400200) r3 = openat$vcs(0xffffffffffffff9c, &(0x7f0000000000)='/dev/vcs\x00', 0x0, 0x0) r4 = socket$nl_generic(0x10, 0x3, 0x10) poll(&(0x7f0000000040)=[{r3}, {r2}, {r4}], 0x3, 0x6) r5 = socket(0x2000000000000021, 0x2, 0x10000000000002) connect$rxrpc(r5, &(0x7f0000000140)=@in4={0x21, 0x0, 0x2, 0x10, {0x2, 0x0, @rand_addr=0xdd}}, 0x24) sendmmsg(r5, &(0x7f0000005c00)=[{{0x0, 0xfffffffffffffd95, 0x0, 0x0, &(0x7f0000000000)=ANY=[@ANYBLOB="18000800000000001001000001000000ec00000000000000"], 0x18}}], 0x1, 0x0) r6 = socket$inet6(0xa, 0x3, 0x6) mmap(&(0x7f0000ffd000/0x2000)=nil, 0x2000, 0x8, 0x810, r6, 0x0) setsockopt$inet6_IPV6_FLOWLABEL_MGR(r6, 0x29, 0x20, &(0x7f0000000080)={@loopback, 0x800, 0x0, 0x100000003, 0x1, 0x0, 0x0, 0x400000000}, 0x20) setsockopt$inet6_IPV6_FLOWLABEL_MGR(r6, 0x29, 0x20, &(0x7f0000000300)={@mcast2, 0x10000, 0x0, 0x102, 0x8000003}, 0x20) setsockopt$inet6_IPV6_FLOWLABEL_MGR(r6, 0x29, 0x20, &(0x7f0000000040)={@loopback, 0x0, 0x0, 0x1, 0x3}, 0x20) connect$inet6(r6, &(0x7f0000000500)={0xa, 0x0, 0x40f7, @mcast2, 0x7ff}, 0x9) r7 = syz_open_procfs(0x0, &(0x7f0000000600)='net/ip6_flowlabel\x00n\xc01\x14\x894X\xed\xc1\xc9\xd8\xdcK\r\x8d\xae\x98&@\xd0\xe6\xbbQ\xd7\xffYn\x1c\x92\xde\x0e\xaa1\x91\x98\xe9\x1f\nMCi|+\xcdw\xf0\x176Z\xf1`\xac\xf3;\xd6d2\xeb\xe5\f\x0e\x8b\xda\xf7\xfc9\xfe\xff4\xef\'\xa19q\x93\"\x7fG3\xc1E\xe6e6\xc6\xc2u\x11% \xe7+0\x97\x84;\\\xda\xc4\x80\xc3\xb18N\xbfY%\x05\xf8\x85\x89\xfc\xd2\xd7') sendfile(r6, r7, &(0x7f0000000240), 0x4000000000dc) r8 = syz_genetlink_get_family_id$nbd(&(0x7f0000000140)='nbd\x00') ioctl$KVM_S390_UCAS_UNMAP(r7, 0x4018ae51, &(0x7f00000000c0)={0x8000, 0x7ff, 0x2}) sendmsg$NBD_CMD_RECONFIGURE(r7, &(0x7f0000000200)={&(0x7f0000000100)={0x10, 0x0, 0x0, 0x80}, 0xc, &(0x7f00000001c0)={&(0x7f0000000180)={0x1ce, r8, 0xc05, 0x70bd29, 0x25dfdbff}, 0x14}, 0x1, 0x0, 0x0, 0x4}, 0x84) sendmsg$NBD_CMD_STATUS(r5, &(0x7f00000002c0)={&(0x7f0000000180)={0x10, 0x0, 0x0, 0x1000000}, 0xc, &(0x7f0000000280)={&(0x7f00000001c0)={0x28, r8, 0x10, 0x70bd25, 0x25dfdbfb, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x5}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x28}, 0x1, 0x0, 0x0, 0x8b29ba74f3c49941}, 0x4044) r9 = openat$audio(0xffffffffffffff9c, &(0x7f0000003500)='/dev/audio\x00', 0x200000, 0x0) r10 = socket$kcm(0x2b, 0x8000000000001, 0x0) ioctl$PERF_EVENT_IOC_ENABLE(r10, 0x8912, 0x400200) r11 = openat$vcs(0xffffffffffffff9c, &(0x7f0000000000)='/dev/vcs\x00', 0x0, 0x0) r12 = socket$nl_generic(0x10, 0x3, 0x10) poll(&(0x7f0000000040)=[{r11}, {r10}, {r12}], 0x3, 0x6) sendmsg$NBD_CMD_CONNECT(r3, &(0x7f0000003600)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x80}, 0xc, &(0x7f00000035c0)={&(0x7f0000003540)={0x54, r8, 0x300, 0x70bd2b, 0x25dfdbfe, {}, [@NBD_ATTR_SOCKETS={0x2c, 0x7, [{0x8, 0x1, r9}, {0x8, 0x1, r11}, {0x8, 0x1, r0}, {0x8}, {0x8, 0x1, r0}]}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}]}, 0x54}, 0x1, 0x0, 0x0, 0x80000c0}, 0x4000000) 10:47:20 executing program 2: r0 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f00000000c0)='memory.events\x00', 0x26e1, 0x0) r1 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000100)='memory.events\x00', 0x7a05, 0x1700) write$cgroup_subtree(r0, &(0x7f0000000600)=ANY=[@ANYPTR64], 0xfe9d) ioctl$FS_IOC_RESVSP(r0, 0x40305828, &(0x7f00000001c0)={0x0, 0x0, 0x0, 0xcf}) ioctl$FS_IOC_RESVSP(r1, 0x40305828, &(0x7f0000000180)={0x0, 0x0, 0xae15, 0xd8a}) ioctl$BLKGETSIZE64(r0, 0x80081272, &(0x7f0000000040)) ioctl$FS_IOC_SETFLAGS(r1, 0x40086602, &(0x7f0000000080)=0x9) socketpair$unix(0x1, 0x1, 0x0, &(0x7f0000000180)={0xffffffffffffffff, 0xffffffffffffffff}) r3 = dup(r2) ioctl$PERF_EVENT_IOC_ENABLE(r3, 0x8912, 0x400200) fcntl$dupfd(0xffffffffffffffff, 0x0, 0xffffffffffffffff) write$cgroup_pid(r1, &(0x7f0000000000), 0xfffffea6) 10:47:21 executing program 5: prlimit64(0x0, 0xe, &(0x7f0000000280)={0x9, 0x8d}, 0x0) r0 = socket$nl_route(0x10, 0x3, 0x0) sendmsg$nl_route(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000200)={&(0x7f0000000340)=@newlink={0x44, 0x10, 0x801, 0x0, 0x0, {}, [@IFLA_AF_SPEC={0x1c, 0x1a, [{0x4}, {0x4}, {0x4}, {0x4}, {0x4}, {0x4}]}, @IFLA_GROUP={0x8}]}, 0x44}}, 0x0) r1 = dup3(0xffffffffffffffff, r0, 0x100000) waitid$P_PIDFD(0x3, r1, 0x0, 0x4, &(0x7f0000000880)) r2 = getpid() sched_setattr(r2, &(0x7f0000000040)={0x30, 0x2, 0x0, 0x0, 0x9}, 0x0) r3 = socket$inet6(0xa, 0x2, 0x0) recvmmsg(r3, &(0x7f0000008880), 0x400000000000249, 0x0, 0x0) pipe(&(0x7f0000000300)={0xffffffffffffffff, 0xffffffffffffffff}) fcntl$setpipe(r5, 0x407, 0x0) write(r5, &(0x7f0000000340), 0x41395527) vmsplice(r4, &(0x7f0000000000)=[{&(0x7f0000000500), 0x3528a9c0}], 0x1, 0x0) sched_setattr(0x0, &(0x7f0000000080)={0x30, 0x2, 0x1, 0x0, 0x3}, 0x0) accept(0xffffffffffffffff, 0x0, &(0x7f0000000240)) perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x4, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x6, @perf_config_ext={0x8, 0xffffffff}, 0x0, 0x5}, 0x0, 0x0, 0xffffffffffffffff, 0x0) r6 = openat$uinput(0xffffffffffffff9c, &(0x7f0000000100)='/dev/uinput\x00', 0x2, 0x0) ioctl$UI_DEV_DESTROY(r6, 0x5502) ioctl$EXT4_IOC_PRECACHE_EXTENTS(r6, 0x6612) mkdir(0x0, 0x0) ioctl$TUNSETIFF(0xffffffffffffffff, 0x400454ca, &(0x7f0000000040)={'eql\x00\x00\x04\x00\x00\x00\x03\x00\x00\x00\xf2\a\x00', 0x2}) io_submit(0x0, 0x0, &(0x7f0000000040)) r7 = perf_event_open(0x0, 0x0, 0x0, 0xffffffffffffffff, 0x0) mmap(&(0x7f0000ffd000/0x3000)=nil, 0x3000, 0x0, 0x11, r7, 0x0) ioctl$FS_IOC_GET_ENCRYPTION_POLICY(r7, 0x400c6615, 0x0) clone(0x103, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) r8 = creat(&(0x7f0000000040)='./bus\x00', 0x0) write$binfmt_elf64(r8, &(0x7f0000000340)=ANY=[@ANYBLOB="000fedc95336ccdcf4a415fbb5090000006b53ffc29c81d0686c90cf2795c7c12ab3e12803060170fd0810d3955490d86300d9f9dd2125b56b5572ab0800083608c0cc2faf5e3c8504006b51a023dbbcdcdfd77b436a961cdf97cbe84934e88c323ef38dccedd23f32a97a9dcadd31c58313ec4bcf150bba7dce2cb53cc423958526ec"], 0x41) fallocate(r8, 0x0, 0x0, 0x8020003) 10:47:21 executing program 1: r0 = perf_event_open(&(0x7f0000940000)={0x2, 0x70, 0xfffffffffffffffd, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}}, 0x0, 0x0, 0xffffffffffffffff, 0x0) mmap(&(0x7f00004da000/0x1000)=nil, 0x1000, 0x0, 0x4000012, r0, 0x0) mincore(&(0x7f00003fa000/0x200000)=nil, 0x2001b0, &(0x7f0000000000)=""/222) [ 986.709178][ C1] protocol 88fb is buggy, dev hsr_slave_0 [ 986.714951][ C1] protocol 88fb is buggy, dev hsr_slave_1 10:47:21 executing program 5: r0 = openat$uinput(0xffffffffffffff9c, &(0x7f0000000100)='/dev/uinput\x00', 0x2, 0x0) write$uinput_user_dev(r0, &(0x7f0000000400)={'syz1\x00'}, 0x45c) ioctl$UI_DEV_SETUP(r0, 0x5501, 0x0) 10:47:21 executing program 4: r0 = socket$kcm(0x2b, 0x8000000000001, 0x0) ioctl$PERF_EVENT_IOC_ENABLE(r0, 0x8912, 0x400200) r1 = syz_open_dev$vcsn(&(0x7f0000000080)='/dev/vcs#\x00', 0xfffffffffffffffb, 0x400000) setsockopt$netlink_NETLINK_CAP_ACK(r1, 0x10e, 0xa, &(0x7f00000000c0)=0x7, 0x4) r2 = syz_open_dev$dmmidi(&(0x7f0000000000)='/dev/dmmidi#\x00', 0x7, 0x40000) setsockopt$netlink_NETLINK_TX_RING(r2, 0x10e, 0x7, &(0x7f0000000040)={0x0, 0x4d0a0328, 0x5, 0xff}, 0x10) r3 = socket$inet6(0xa, 0x3, 0x6) r4 = socket$kcm(0x2b, 0x8000000000001, 0x0) ioctl$PERF_EVENT_IOC_ENABLE(r4, 0x8912, 0x400200) r5 = openat$vcs(0xffffffffffffff9c, &(0x7f0000000000)='/dev/vcs\x00', 0x0, 0x0) r6 = socket$nl_generic(0x10, 0x3, 0x10) r7 = socket$inet6_dccp(0xa, 0x6, 0x0) getsockopt$inet6_int(r7, 0x29, 0x3c, 0x0, &(0x7f00000015c0)) poll(&(0x7f0000000040)=[{0xffffffffffffffff, 0x1}, {r4, 0x2}, {r6, 0xa402}], 0x3, 0x3) ioctl$VIDIOC_REQBUFS(r5, 0xc0145608, &(0x7f00000005c0)={0xca, 0x2, 0x4}) getpeername$inet6(r3, &(0x7f0000000100)={0xa, 0x0, 0x0, @empty}, &(0x7f0000000140)=0x1c) preadv(r0, &(0x7f0000000540)=[{&(0x7f0000000180)=""/187, 0xbb}, {&(0x7f0000000240)=""/169, 0xa9}, {&(0x7f0000000340)=""/201, 0xc9}, {&(0x7f0000000440)=""/57, 0x39}, {&(0x7f0000000480)=""/10, 0xa}, {&(0x7f00000004c0)=""/122, 0x7a}], 0x6, 0x1) setsockopt$inet6_IPV6_FLOWLABEL_MGR(r3, 0x29, 0x20, &(0x7f0000000300)={@mcast2, 0x10000, 0x0, 0x102, 0x8000003}, 0x20) 10:47:21 executing program 2: r0 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f00000000c0)='memory.events\x00', 0x26e1, 0x0) r1 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000100)='memory.events\x00', 0x7a05, 0x1700) write$cgroup_subtree(r0, &(0x7f0000000600)=ANY=[@ANYPTR64], 0xfe9d) ioctl$FS_IOC_RESVSP(r0, 0x40305828, &(0x7f00000001c0)={0x0, 0x5, 0x0, 0xcf}) ioctl$FS_IOC_RESVSP(r1, 0x40305828, &(0x7f0000000180)={0x0, 0x0, 0xae15, 0xd8a}) ioctl$FS_IOC_SETFLAGS(r1, 0x40086602, &(0x7f0000000040)=0x9) socketpair$unix(0x1, 0x1, 0x0, &(0x7f0000000180)={0xffffffffffffffff, 0xffffffffffffffff}) r3 = dup(r2) ioctl$PERF_EVENT_IOC_ENABLE(r3, 0x8912, 0x400200) fcntl$dupfd(0xffffffffffffffff, 0x0, 0xffffffffffffffff) write$cgroup_pid(r1, &(0x7f0000000000), 0xfffffea6) 10:47:21 executing program 3: mknod(&(0x7f0000000040)='./bus\x00', 0x2000000000001003, 0x0) r0 = open(&(0x7f0000000100)='./bus\x00', 0x20000000000b04, 0x0) r1 = epoll_create(0x7) epoll_ctl$EPOLL_CTL_ADD(r1, 0x1, r0, &(0x7f00000001c0)) r2 = socket$kcm(0x2b, 0x8000000000001, 0x0) ioctl$PERF_EVENT_IOC_ENABLE(r2, 0x8912, 0x400200) r3 = openat$vcs(0xffffffffffffff9c, &(0x7f0000000000)='/dev/vcs\x00', 0x0, 0x0) r4 = socket$nl_generic(0x10, 0x3, 0x10) poll(&(0x7f0000000040)=[{r3}, {r2}, {r4}], 0x3, 0x6) r5 = socket(0x2000000000000021, 0x2, 0x10000000000002) connect$rxrpc(r5, &(0x7f0000000140)=@in4={0x21, 0x0, 0x2, 0x10, {0x2, 0x0, @rand_addr=0xdd}}, 0x24) sendmmsg(r5, &(0x7f0000005c00)=[{{0x0, 0xfffffffffffffd95, 0x0, 0x0, &(0x7f0000000000)=ANY=[@ANYBLOB="18000800000000001001000001000000ec00000000000000"], 0x18}}], 0x1, 0x0) r6 = socket$inet6(0xa, 0x3, 0x6) mmap(&(0x7f0000ffd000/0x2000)=nil, 0x2000, 0x8, 0x810, r6, 0x0) setsockopt$inet6_IPV6_FLOWLABEL_MGR(r6, 0x29, 0x20, &(0x7f0000000080)={@loopback, 0x800, 0x0, 0x100000003, 0x1, 0x0, 0x0, 0x400000000}, 0x20) setsockopt$inet6_IPV6_FLOWLABEL_MGR(r6, 0x29, 0x20, &(0x7f0000000300)={@mcast2, 0x10000, 0x0, 0x102, 0x8000003}, 0x20) setsockopt$inet6_IPV6_FLOWLABEL_MGR(r6, 0x29, 0x20, &(0x7f0000000040)={@loopback, 0x0, 0x0, 0x1, 0x3}, 0x20) connect$inet6(r6, &(0x7f0000000500)={0xa, 0x0, 0x40f7, @mcast2, 0x7ff}, 0x9) r7 = syz_open_procfs(0x0, &(0x7f0000000600)='net/ip6_flowlabel\x00n\xc01\x14\x894X\xed\xc1\xc9\xd8\xdcK\r\x8d\xae\x98&@\xd0\xe6\xbbQ\xd7\xffYn\x1c\x92\xde\x0e\xaa1\x91\x98\xe9\x1f\nMCi|+\xcdw\xf0\x176Z\xf1`\xac\xf3;\xd6d2\xeb\xe5\f\x0e\x8b\xda\xf7\xfc9\xfe\xff4\xef\'\xa19q\x93\"\x7fG3\xc1E\xe6e6\xc6\xc2u\x11% \xe7+0\x97\x84;\\\xda\xc4\x80\xc3\xb18N\xbfY%\x05\xf8\x85\x89\xfc\xd2\xd7') sendfile(r6, r7, &(0x7f0000000240)=0x202, 0x0) r8 = syz_genetlink_get_family_id$nbd(&(0x7f0000000140)='nbd\x00') ioctl$KVM_S390_UCAS_UNMAP(r7, 0x4018ae51, &(0x7f00000000c0)={0x8000, 0x7ff, 0x2}) sendmsg$NBD_CMD_RECONFIGURE(r7, &(0x7f0000000200)={&(0x7f0000000100)={0x10, 0x0, 0x0, 0x80}, 0xc, &(0x7f00000001c0)={&(0x7f0000000180)={0x1ce, r8, 0xc05, 0x70bd29, 0x25dfdbff}, 0x14}, 0x1, 0x0, 0x0, 0x4}, 0x84) sendmsg$NBD_CMD_STATUS(r5, &(0x7f00000002c0)={&(0x7f0000000180)={0x10, 0x0, 0x0, 0x1000000}, 0xc, &(0x7f0000000280)={&(0x7f00000001c0)={0x28, r8, 0x10, 0x70bd25, 0x25dfdbfb, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x5}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x28}, 0x1, 0x0, 0x0, 0x8b29ba74f3c49941}, 0x4044) r9 = openat$audio(0xffffffffffffff9c, &(0x7f0000003500)='/dev/audio\x00', 0x200000, 0x0) r10 = socket$kcm(0x2b, 0x8000000000001, 0x0) ioctl$PERF_EVENT_IOC_ENABLE(r10, 0x8912, 0x400200) r11 = openat$vcs(0xffffffffffffff9c, &(0x7f0000000000)='/dev/vcs\x00', 0x0, 0x0) r12 = socket$nl_generic(0x10, 0x3, 0x10) poll(&(0x7f0000000040)=[{r11}, {r10}, {r12}], 0x3, 0x6) sendmsg$NBD_CMD_CONNECT(r3, &(0x7f0000003600)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x80}, 0xc, &(0x7f00000035c0)={&(0x7f0000003540)={0x54, r8, 0x300, 0x70bd2b, 0x25dfdbfe, {}, [@NBD_ATTR_SOCKETS={0x2c, 0x7, [{0x8, 0x1, r9}, {0x8, 0x1, r11}, {0x8, 0x1, r0}, {0x8}, {0x8, 0x1, r0}]}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}]}, 0x54}, 0x1, 0x0, 0x0, 0x80000c0}, 0x4000000) 10:47:21 executing program 1: r0 = perf_event_open(&(0x7f0000940000)={0x2, 0x70, 0xfffffffffffffffd, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}}, 0x0, 0x0, 0xffffffffffffffff, 0x0) mmap(&(0x7f00004da000/0x1000)=nil, 0x1000, 0x0, 0x4000012, r0, 0x0) mincore(&(0x7f00003fa000/0x200000)=nil, 0x2001b1, &(0x7f0000000000)=""/222) 10:47:21 executing program 5: ioctl$PERF_EVENT_IOC_SET_OUTPUT(0xffffffffffffffff, 0x2405, 0xffffffffffffffff) prlimit64(0x0, 0xe, &(0x7f0000000280)={0x9, 0x8d}, 0x0) r0 = getpid() sched_setattr(r0, &(0x7f0000000040)={0x30, 0x2, 0x0, 0x0, 0x9}, 0x0) r1 = socket$inet6(0xa, 0x2, 0x0) recvmmsg(r1, &(0x7f0000008880), 0x400000000000249, 0x0, 0x0) pipe(&(0x7f0000000440)={0xffffffffffffffff, 0xffffffffffffffff}) fcntl$setpipe(r3, 0x407, 0x0) write(r3, &(0x7f0000000340), 0x41395527) vmsplice(r2, &(0x7f0000000000)=[{0x0}], 0x1, 0x0) sched_setattr(0x0, &(0x7f0000000080)={0x30, 0x2, 0x1, 0x0, 0x3}, 0x0) perf_event_open(&(0x7f0000940000)={0x2, 0x70, 0xee6a, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext, 0x0, 0xffffffffffffffff}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) r4 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000200)='cpuacct.usage_sys\x00', 0x275a, 0x0) r5 = creat(&(0x7f0000000000)='./file0\x00', 0x0) fallocate(r5, 0x8000000000000010, 0x0, 0x2000005) fallocate(r4, 0x0, 0x0, 0x10ffff) ioctl$EXT4_IOC_MOVE_EXT(r4, 0xc028660f, &(0x7f0000000040)={0x0, r5, 0x0, 0x4}) lseek(r5, 0x0, 0x3) ioctl$FS_IOC_SET_ENCRYPTION_POLICY(r5, 0x800c6613, 0x0) clone(0x0, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) sendto$inet6(0xffffffffffffffff, 0x0, 0x0, 0xe87679a3c4942b1b, 0x0, 0xfffffffffffffd7a) sendfile(0xffffffffffffffff, 0xffffffffffffffff, 0x0, 0x0) r6 = socket$inet6(0xa, 0x2, 0x0) connect$inet6(r6, &(0x7f0000000000)={0xa, 0x0, 0x0, @mcast2, 0x4}, 0x1c) r7 = syz_open_procfs(0x0, &(0x7f00000000c0)='net/igmp\x00') sendfile(r6, r7, 0x0, 0xa808) socketpair$unix(0x1, 0x1, 0x0, &(0x7f0000000300)) perf_event_open(&(0x7f000025c000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x9, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1, 0x0, 0x0, 0x0, @perf_bp={0x0}, 0x400}, 0x0, 0x0, 0xffffffffffffffff, 0x0) 10:47:21 executing program 4: r0 = socket$kcm(0x2b, 0x8000000000001, 0x0) ioctl$PERF_EVENT_IOC_ENABLE(r0, 0x8912, 0x400200) r1 = socket$inet6(0xa, 0x3, 0x6) r2 = socket$inet6_dccp(0xa, 0x6, 0x0) getsockopt$inet6_int(r2, 0x29, 0x3c, 0x0, &(0x7f00000015c0)) getsockopt$bt_hci(r2, 0x0, 0x1, &(0x7f0000000080)=""/41, &(0x7f00000000c0)=0x29) setsockopt$inet6_MRT6_ADD_MFC_PROXY(r2, 0x29, 0xd2, &(0x7f0000000000)={{0xa, 0x4e24, 0x2706, @remote, 0x1e7}, {0xa, 0x4e22, 0x3, @ipv4={[], [], @multicast1}, 0x8}, 0x80, [0xffffffff, 0x9, 0x1, 0x55, 0x7, 0x5, 0xfffffc00, 0x8]}, 0x5c) setsockopt$inet6_IPV6_FLOWLABEL_MGR(r1, 0x29, 0x20, &(0x7f0000000300)={@mcast2, 0x10000, 0x0, 0x102, 0x8000003}, 0x20) 10:47:21 executing program 3: mknod(&(0x7f0000000040)='./bus\x00', 0x2000000000001003, 0x0) r0 = open(&(0x7f0000000100)='./bus\x00', 0x20000000000b04, 0x0) r1 = epoll_create(0x7) epoll_ctl$EPOLL_CTL_ADD(r1, 0x1, r0, &(0x7f00000001c0)) r2 = socket$kcm(0x2b, 0x8000000000001, 0x0) ioctl$PERF_EVENT_IOC_ENABLE(r2, 0x8912, 0x400200) r3 = openat$vcs(0xffffffffffffff9c, &(0x7f0000000000)='/dev/vcs\x00', 0x0, 0x0) r4 = socket$nl_generic(0x10, 0x3, 0x10) poll(&(0x7f0000000040)=[{r3}, {r2}, {r4}], 0x3, 0x6) r5 = socket(0x2000000000000021, 0x2, 0x10000000000002) connect$rxrpc(r5, &(0x7f0000000140)=@in4={0x21, 0x0, 0x2, 0x10, {0x2, 0x0, @rand_addr=0xdd}}, 0x24) sendmmsg(r5, &(0x7f0000005c00)=[{{0x0, 0xfffffffffffffd95, 0x0, 0x0, &(0x7f0000000000)=ANY=[@ANYBLOB="18000800000000001001000001000000ec00000000000000"], 0x18}}], 0x1, 0x0) r6 = socket$inet6(0xa, 0x3, 0x6) mmap(&(0x7f0000ffd000/0x2000)=nil, 0x2000, 0x8, 0x810, r6, 0x0) setsockopt$inet6_IPV6_FLOWLABEL_MGR(r6, 0x29, 0x20, &(0x7f0000000080)={@loopback, 0x800, 0x0, 0x100000003, 0x1, 0x0, 0x0, 0x400000000}, 0x20) setsockopt$inet6_IPV6_FLOWLABEL_MGR(r6, 0x29, 0x20, &(0x7f0000000300)={@mcast2, 0x10000, 0x0, 0x102, 0x8000003}, 0x20) setsockopt$inet6_IPV6_FLOWLABEL_MGR(r6, 0x29, 0x20, &(0x7f0000000040)={@loopback, 0x0, 0x0, 0x1, 0x3}, 0x20) connect$inet6(r6, &(0x7f0000000500)={0xa, 0x0, 0x40f7, @mcast2, 0x7ff}, 0x9) r7 = syz_open_procfs(0x0, &(0x7f0000000600)='net/ip6_flowlabel\x00n\xc01\x14\x894X\xed\xc1\xc9\xd8\xdcK\r\x8d\xae\x98&@\xd0\xe6\xbbQ\xd7\xffYn\x1c\x92\xde\x0e\xaa1\x91\x98\xe9\x1f\nMCi|+\xcdw\xf0\x176Z\xf1`\xac\xf3;\xd6d2\xeb\xe5\f\x0e\x8b\xda\xf7\xfc9\xfe\xff4\xef\'\xa19q\x93\"\x7fG3\xc1E\xe6e6\xc6\xc2u\x11% \xe7+0\x97\x84;\\\xda\xc4\x80\xc3\xb18N\xbfY%\x05\xf8\x85\x89\xfc\xd2\xd7') sendfile(r6, r7, &(0x7f0000000240)=0x202, 0x0) r8 = syz_genetlink_get_family_id$nbd(&(0x7f0000000140)='nbd\x00') ioctl$KVM_S390_UCAS_UNMAP(r7, 0x4018ae51, &(0x7f00000000c0)={0x8000, 0x7ff, 0x2}) sendmsg$NBD_CMD_RECONFIGURE(r7, &(0x7f0000000200)={&(0x7f0000000100)={0x10, 0x0, 0x0, 0x80}, 0xc, &(0x7f00000001c0)={&(0x7f0000000180)={0x1ce, r8, 0xc05, 0x70bd29, 0x25dfdbff}, 0x14}, 0x1, 0x0, 0x0, 0x4}, 0x84) sendmsg$NBD_CMD_STATUS(r5, &(0x7f00000002c0)={&(0x7f0000000180)={0x10, 0x0, 0x0, 0x1000000}, 0xc, &(0x7f0000000280)={&(0x7f00000001c0)={0x28, r8, 0x10, 0x70bd25, 0x25dfdbfb, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x5}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x28}, 0x1, 0x0, 0x0, 0x8b29ba74f3c49941}, 0x4044) r9 = openat$audio(0xffffffffffffff9c, &(0x7f0000003500)='/dev/audio\x00', 0x200000, 0x0) r10 = socket$kcm(0x2b, 0x8000000000001, 0x0) ioctl$PERF_EVENT_IOC_ENABLE(r10, 0x8912, 0x400200) r11 = openat$vcs(0xffffffffffffff9c, &(0x7f0000000000)='/dev/vcs\x00', 0x0, 0x0) r12 = socket$nl_generic(0x10, 0x3, 0x10) poll(&(0x7f0000000040)=[{r11}, {r10}, {r12}], 0x3, 0x6) sendmsg$NBD_CMD_CONNECT(r3, &(0x7f0000003600)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x80}, 0xc, &(0x7f00000035c0)={&(0x7f0000003540)={0x54, r8, 0x300, 0x70bd2b, 0x25dfdbfe, {}, [@NBD_ATTR_SOCKETS={0x2c, 0x7, [{0x8, 0x1, r9}, {0x8, 0x1, r11}, {0x8, 0x1, r0}, {0x8}, {0x8, 0x1, r0}]}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}]}, 0x54}, 0x1, 0x0, 0x0, 0x80000c0}, 0x4000000) 10:47:21 executing program 1: r0 = perf_event_open(&(0x7f0000940000)={0x2, 0x70, 0xfffffffffffffffd, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}}, 0x0, 0x0, 0xffffffffffffffff, 0x0) mmap(&(0x7f00004da000/0x1000)=nil, 0x1000, 0x0, 0x4000012, r0, 0x0) mincore(&(0x7f00003fa000/0x200000)=nil, 0x2001b2, &(0x7f0000000000)=""/222) 10:47:22 executing program 2: r0 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f00000000c0)='memory.events\x00', 0x26e1, 0x0) r1 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000040)='memory.events\x00', 0x7a05, 0x1700) write$cgroup_subtree(r0, &(0x7f0000000600)=ANY=[@ANYPTR64], 0xfe9d) ioctl$FS_IOC_RESVSP(r0, 0x40305828, &(0x7f00000001c0)={0x0, 0x0, 0x0, 0xcf}) ioctl$FS_IOC_RESVSP(r1, 0x40305828, &(0x7f0000000180)={0x0, 0x0, 0xae15, 0xd8a}) ioctl$FS_IOC_SETFLAGS(r1, 0x40086602, &(0x7f0000000080)=0x9) socketpair$unix(0x1, 0x1, 0x0, &(0x7f0000000180)={0xffffffffffffffff, 0xffffffffffffffff}) r3 = dup(r2) ioctl$PERF_EVENT_IOC_ENABLE(r3, 0x8912, 0x400200) fcntl$dupfd(0xffffffffffffffff, 0x0, 0xffffffffffffffff) write$cgroup_pid(r1, &(0x7f0000000000), 0xfffffea6) 10:47:22 executing program 3: mknod(&(0x7f0000000040)='./bus\x00', 0x2000000000001003, 0x0) r0 = open(&(0x7f0000000100)='./bus\x00', 0x20000000000b04, 0x0) r1 = epoll_create(0x7) epoll_ctl$EPOLL_CTL_ADD(r1, 0x1, r0, &(0x7f00000001c0)) r2 = socket$kcm(0x2b, 0x8000000000001, 0x0) ioctl$PERF_EVENT_IOC_ENABLE(r2, 0x8912, 0x400200) r3 = openat$vcs(0xffffffffffffff9c, &(0x7f0000000000)='/dev/vcs\x00', 0x0, 0x0) r4 = socket$nl_generic(0x10, 0x3, 0x10) poll(&(0x7f0000000040)=[{r3}, {r2}, {r4}], 0x3, 0x6) r5 = socket(0x2000000000000021, 0x2, 0x10000000000002) connect$rxrpc(r5, &(0x7f0000000140)=@in4={0x21, 0x0, 0x2, 0x10, {0x2, 0x0, @rand_addr=0xdd}}, 0x24) sendmmsg(r5, &(0x7f0000005c00)=[{{0x0, 0xfffffffffffffd95, 0x0, 0x0, &(0x7f0000000000)=ANY=[@ANYBLOB="18000800000000001001000001000000ec00000000000000"], 0x18}}], 0x1, 0x0) r6 = socket$inet6(0xa, 0x3, 0x6) mmap(&(0x7f0000ffd000/0x2000)=nil, 0x2000, 0x8, 0x810, r6, 0x0) setsockopt$inet6_IPV6_FLOWLABEL_MGR(r6, 0x29, 0x20, &(0x7f0000000080)={@loopback, 0x800, 0x0, 0x100000003, 0x1, 0x0, 0x0, 0x400000000}, 0x20) setsockopt$inet6_IPV6_FLOWLABEL_MGR(r6, 0x29, 0x20, &(0x7f0000000300)={@mcast2, 0x10000, 0x0, 0x102, 0x8000003}, 0x20) setsockopt$inet6_IPV6_FLOWLABEL_MGR(r6, 0x29, 0x20, &(0x7f0000000040)={@loopback, 0x0, 0x0, 0x1, 0x3}, 0x20) connect$inet6(r6, &(0x7f0000000500)={0xa, 0x0, 0x40f7, @mcast2, 0x7ff}, 0x9) r7 = syz_open_procfs(0x0, &(0x7f0000000600)='net/ip6_flowlabel\x00n\xc01\x14\x894X\xed\xc1\xc9\xd8\xdcK\r\x8d\xae\x98&@\xd0\xe6\xbbQ\xd7\xffYn\x1c\x92\xde\x0e\xaa1\x91\x98\xe9\x1f\nMCi|+\xcdw\xf0\x176Z\xf1`\xac\xf3;\xd6d2\xeb\xe5\f\x0e\x8b\xda\xf7\xfc9\xfe\xff4\xef\'\xa19q\x93\"\x7fG3\xc1E\xe6e6\xc6\xc2u\x11% \xe7+0\x97\x84;\\\xda\xc4\x80\xc3\xb18N\xbfY%\x05\xf8\x85\x89\xfc\xd2\xd7') sendfile(r6, r7, &(0x7f0000000240)=0x202, 0x0) r8 = syz_genetlink_get_family_id$nbd(&(0x7f0000000140)='nbd\x00') ioctl$KVM_S390_UCAS_UNMAP(r7, 0x4018ae51, &(0x7f00000000c0)={0x8000, 0x7ff, 0x2}) sendmsg$NBD_CMD_RECONFIGURE(r7, &(0x7f0000000200)={&(0x7f0000000100)={0x10, 0x0, 0x0, 0x80}, 0xc, &(0x7f00000001c0)={&(0x7f0000000180)={0x1ce, r8, 0xc05, 0x70bd29, 0x25dfdbff}, 0x14}, 0x1, 0x0, 0x0, 0x4}, 0x84) sendmsg$NBD_CMD_STATUS(r5, &(0x7f00000002c0)={&(0x7f0000000180)={0x10, 0x0, 0x0, 0x1000000}, 0xc, &(0x7f0000000280)={&(0x7f00000001c0)={0x28, r8, 0x10, 0x70bd25, 0x25dfdbfb, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x5}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x28}, 0x1, 0x0, 0x0, 0x8b29ba74f3c49941}, 0x4044) r9 = openat$audio(0xffffffffffffff9c, &(0x7f0000003500)='/dev/audio\x00', 0x200000, 0x0) r10 = socket$kcm(0x2b, 0x8000000000001, 0x0) ioctl$PERF_EVENT_IOC_ENABLE(r10, 0x8912, 0x400200) r11 = openat$vcs(0xffffffffffffff9c, &(0x7f0000000000)='/dev/vcs\x00', 0x0, 0x0) r12 = socket$nl_generic(0x10, 0x3, 0x10) poll(&(0x7f0000000040)=[{r11}, {r10}, {r12}], 0x3, 0x6) sendmsg$NBD_CMD_CONNECT(r3, &(0x7f0000003600)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x80}, 0xc, &(0x7f00000035c0)={&(0x7f0000003540)={0x54, r8, 0x300, 0x70bd2b, 0x25dfdbfe, {}, [@NBD_ATTR_SOCKETS={0x2c, 0x7, [{0x8, 0x1, r9}, {0x8, 0x1, r11}, {0x8, 0x1, r0}, {0x8}, {0x8, 0x1, r0}]}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}]}, 0x54}, 0x1, 0x0, 0x0, 0x80000c0}, 0x4000000) 10:47:22 executing program 1: r0 = perf_event_open(&(0x7f0000940000)={0x2, 0x70, 0xfffffffffffffffd, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}}, 0x0, 0x0, 0xffffffffffffffff, 0x0) mmap(&(0x7f00004da000/0x1000)=nil, 0x1000, 0x0, 0x4000012, r0, 0x0) mincore(&(0x7f00003fa000/0x200000)=nil, 0x2001b3, &(0x7f0000000000)=""/222) [ 987.579223][ C0] protocol 88fb is buggy, dev hsr_slave_0 [ 987.585034][ C0] protocol 88fb is buggy, dev hsr_slave_1 10:47:22 executing program 3: mknod(&(0x7f0000000040)='./bus\x00', 0x2000000000001003, 0x0) r0 = open(&(0x7f0000000100)='./bus\x00', 0x20000000000b04, 0x0) r1 = epoll_create(0x7) epoll_ctl$EPOLL_CTL_ADD(r1, 0x1, r0, &(0x7f00000001c0)) r2 = socket$kcm(0x2b, 0x8000000000001, 0x0) ioctl$PERF_EVENT_IOC_ENABLE(r2, 0x8912, 0x400200) r3 = openat$vcs(0xffffffffffffff9c, &(0x7f0000000000)='/dev/vcs\x00', 0x0, 0x0) r4 = socket$nl_generic(0x10, 0x3, 0x10) poll(&(0x7f0000000040)=[{r3}, {r2}, {r4}], 0x3, 0x6) r5 = socket(0x2000000000000021, 0x2, 0x10000000000002) connect$rxrpc(r5, &(0x7f0000000140)=@in4={0x21, 0x0, 0x2, 0x10, {0x2, 0x0, @rand_addr=0xdd}}, 0x24) sendmmsg(r5, &(0x7f0000005c00)=[{{0x0, 0xfffffffffffffd95, 0x0, 0x0, &(0x7f0000000000)=ANY=[@ANYBLOB="18000800000000001001000001000000ec00000000000000"], 0x18}}], 0x1, 0x0) r6 = socket$inet6(0xa, 0x3, 0x6) mmap(&(0x7f0000ffd000/0x2000)=nil, 0x2000, 0x8, 0x810, r6, 0x0) setsockopt$inet6_IPV6_FLOWLABEL_MGR(r6, 0x29, 0x20, &(0x7f0000000080)={@loopback, 0x800, 0x0, 0x100000003, 0x1, 0x0, 0x0, 0x400000000}, 0x20) setsockopt$inet6_IPV6_FLOWLABEL_MGR(r6, 0x29, 0x20, &(0x7f0000000300)={@mcast2, 0x10000, 0x0, 0x102, 0x8000003}, 0x20) setsockopt$inet6_IPV6_FLOWLABEL_MGR(r6, 0x29, 0x20, &(0x7f0000000040)={@loopback, 0x0, 0x0, 0x1, 0x3}, 0x20) connect$inet6(r6, &(0x7f0000000500)={0xa, 0x0, 0x40f7, @mcast2, 0x7ff}, 0x9) r7 = syz_open_procfs(0x0, &(0x7f0000000600)='net/ip6_flowlabel\x00n\xc01\x14\x894X\xed\xc1\xc9\xd8\xdcK\r\x8d\xae\x98&@\xd0\xe6\xbbQ\xd7\xffYn\x1c\x92\xde\x0e\xaa1\x91\x98\xe9\x1f\nMCi|+\xcdw\xf0\x176Z\xf1`\xac\xf3;\xd6d2\xeb\xe5\f\x0e\x8b\xda\xf7\xfc9\xfe\xff4\xef\'\xa19q\x93\"\x7fG3\xc1E\xe6e6\xc6\xc2u\x11% \xe7+0\x97\x84;\\\xda\xc4\x80\xc3\xb18N\xbfY%\x05\xf8\x85\x89\xfc\xd2\xd7') sendfile(r6, r7, &(0x7f0000000240)=0x202, 0x4000000000dc) r8 = syz_genetlink_get_family_id$nbd(0x0) ioctl$KVM_S390_UCAS_UNMAP(r7, 0x4018ae51, &(0x7f00000000c0)={0x8000, 0x7ff, 0x2}) sendmsg$NBD_CMD_RECONFIGURE(r7, &(0x7f0000000200)={&(0x7f0000000100)={0x10, 0x0, 0x0, 0x80}, 0xc, &(0x7f00000001c0)={&(0x7f0000000180)={0x1ce, r8, 0xc05, 0x70bd29, 0x25dfdbff}, 0x14}, 0x1, 0x0, 0x0, 0x4}, 0x84) sendmsg$NBD_CMD_STATUS(r5, &(0x7f00000002c0)={&(0x7f0000000180)={0x10, 0x0, 0x0, 0x1000000}, 0xc, &(0x7f0000000280)={&(0x7f00000001c0)={0x28, r8, 0x10, 0x70bd25, 0x25dfdbfb, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x5}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x28}, 0x1, 0x0, 0x0, 0x8b29ba74f3c49941}, 0x4044) r9 = openat$audio(0xffffffffffffff9c, &(0x7f0000003500)='/dev/audio\x00', 0x200000, 0x0) r10 = socket$kcm(0x2b, 0x8000000000001, 0x0) ioctl$PERF_EVENT_IOC_ENABLE(r10, 0x8912, 0x400200) r11 = openat$vcs(0xffffffffffffff9c, &(0x7f0000000000)='/dev/vcs\x00', 0x0, 0x0) r12 = socket$nl_generic(0x10, 0x3, 0x10) poll(&(0x7f0000000040)=[{r11}, {r10}, {r12}], 0x3, 0x6) sendmsg$NBD_CMD_CONNECT(r3, &(0x7f0000003600)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x80}, 0xc, &(0x7f00000035c0)={&(0x7f0000003540)={0x54, r8, 0x300, 0x70bd2b, 0x25dfdbfe, {}, [@NBD_ATTR_SOCKETS={0x2c, 0x7, [{0x8, 0x1, r9}, {0x8, 0x1, r11}, {0x8, 0x1, r0}, {0x8}, {0x8, 0x1, r0}]}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}]}, 0x54}, 0x1, 0x0, 0x0, 0x80000c0}, 0x4000000) 10:47:22 executing program 1: r0 = perf_event_open(&(0x7f0000940000)={0x2, 0x70, 0xfffffffffffffffd, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}}, 0x0, 0x0, 0xffffffffffffffff, 0x0) mmap(&(0x7f00004da000/0x1000)=nil, 0x1000, 0x0, 0x4000012, r0, 0x0) mincore(&(0x7f00003fa000/0x200000)=nil, 0x2001b4, &(0x7f0000000000)=""/222) 10:47:22 executing program 2: r0 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f00000000c0)='memory.events\x00', 0x26e1, 0x0) r1 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000100)='memory.events\x00', 0x7a05, 0x1700) write$cgroup_subtree(r0, &(0x7f0000000600)=ANY=[@ANYPTR64], 0xfe9d) ioctl$FS_IOC_RESVSP(r0, 0x40305828, &(0x7f00000001c0)={0x0, 0x0, 0x0, 0xcf}) ioctl$FS_IOC_RESVSP(r1, 0x40305828, &(0x7f0000000180)={0x0, 0x0, 0xae15, 0xd8a}) ioctl$FS_IOC_SETFLAGS(r1, 0x40086602, &(0x7f0000000080)=0x9) socketpair$unix(0x1, 0x1, 0x0, &(0x7f0000000180)={0xffffffffffffffff, 0xffffffffffffffff}) dup(r2) openat$sequencer2(0xffffffffffffff9c, &(0x7f0000000040)='/dev/sequencer2\x00', 0x4000, 0x0) r3 = socket$kcm(0x2b, 0x8000000000001, 0x0) ioctl$PERF_EVENT_IOC_ENABLE(r3, 0x8912, 0x400200) r4 = openat$vcs(0xffffffffffffff9c, &(0x7f0000000000)='/dev/vcs\x00', 0x0, 0x0) r5 = socket$nl_generic(0x10, 0x3, 0x10) poll(&(0x7f0000000040)=[{r4}, {r3}, {r5}], 0x3, 0x6) r6 = socket$kcm(0x2b, 0x8000000000001, 0x0) ioctl$PERF_EVENT_IOC_ENABLE(r6, 0x8912, 0x400200) r7 = openat$vcs(0xffffffffffffff9c, &(0x7f0000000000)='/dev/vcs\x00', 0x0, 0x0) r8 = socket$nl_generic(0x10, 0x3, 0x10) poll(&(0x7f0000000040)=[{r7}, {r6}, {r8}], 0x3, 0x6) ioctl$LOOP_GET_STATUS64(r7, 0x4c05, &(0x7f0000000400)) ioctl$PERF_EVENT_IOC_ENABLE(r1, 0x8912, 0x80000001) fcntl$dupfd(0xffffffffffffffff, 0x0, 0xffffffffffffffff) write$cgroup_pid(r1, &(0x7f0000000000), 0xfffffea6) 10:47:22 executing program 5: ioctl$PERF_EVENT_IOC_SET_OUTPUT(0xffffffffffffffff, 0x2405, 0xffffffffffffffff) prlimit64(0x0, 0xe, &(0x7f0000000280)={0x9, 0x8d}, 0x0) r0 = getpid() sched_setattr(r0, &(0x7f0000000040)={0x30, 0x2, 0x0, 0x0, 0x9}, 0x0) r1 = socket$inet6(0xa, 0x2, 0x0) recvmmsg(r1, &(0x7f0000008880), 0x400000000000249, 0x0, 0x0) pipe(&(0x7f0000000440)={0xffffffffffffffff, 0xffffffffffffffff}) fcntl$setpipe(r3, 0x407, 0x0) write(r3, &(0x7f0000000340), 0x41395527) vmsplice(r2, &(0x7f0000000000)=[{0x0}], 0x1, 0x0) sched_setattr(0x0, &(0x7f0000000080)={0x30, 0x2, 0x1, 0x0, 0x3}, 0x0) perf_event_open(&(0x7f0000940000)={0x2, 0x70, 0xee6a, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext, 0x0, 0xffffffffffffffff}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) r4 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000200)='cpuacct.usage_sys\x00', 0x275a, 0x0) r5 = creat(&(0x7f0000000000)='./file0\x00', 0x0) fallocate(r5, 0x8000000000000010, 0x0, 0x2000005) fallocate(r4, 0x0, 0x0, 0x10ffff) ioctl$EXT4_IOC_MOVE_EXT(r4, 0xc028660f, &(0x7f0000000040)={0x0, r5, 0x0, 0x4}) lseek(r5, 0x0, 0x3) ioctl$FS_IOC_SET_ENCRYPTION_POLICY(r5, 0x800c6613, 0x0) clone(0x0, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) sendto$inet6(0xffffffffffffffff, 0x0, 0x0, 0xe87679a3c4942b1b, 0x0, 0xfffffffffffffd7a) sendfile(0xffffffffffffffff, 0xffffffffffffffff, 0x0, 0x0) r6 = socket$inet6(0xa, 0x2, 0x0) connect$inet6(r6, &(0x7f0000000000)={0xa, 0x0, 0x0, @mcast2, 0x4}, 0x1c) r7 = syz_open_procfs(0x0, &(0x7f00000000c0)='net/igmp\x00') sendfile(r6, r7, 0x0, 0xa808) socketpair$unix(0x1, 0x1, 0x0, &(0x7f0000000300)) perf_event_open(&(0x7f000025c000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x9, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1, 0x0, 0x0, 0x0, @perf_bp={0x0}, 0x400}, 0x0, 0x0, 0xffffffffffffffff, 0x0) 10:47:22 executing program 3: mknod(&(0x7f0000000040)='./bus\x00', 0x2000000000001003, 0x0) r0 = open(&(0x7f0000000100)='./bus\x00', 0x20000000000b04, 0x0) r1 = epoll_create(0x7) epoll_ctl$EPOLL_CTL_ADD(r1, 0x1, r0, &(0x7f00000001c0)) r2 = socket$kcm(0x2b, 0x8000000000001, 0x0) ioctl$PERF_EVENT_IOC_ENABLE(r2, 0x8912, 0x400200) r3 = openat$vcs(0xffffffffffffff9c, &(0x7f0000000000)='/dev/vcs\x00', 0x0, 0x0) r4 = socket$nl_generic(0x10, 0x3, 0x10) poll(&(0x7f0000000040)=[{r3}, {r2}, {r4}], 0x3, 0x6) r5 = socket(0x2000000000000021, 0x2, 0x10000000000002) connect$rxrpc(r5, &(0x7f0000000140)=@in4={0x21, 0x0, 0x2, 0x10, {0x2, 0x0, @rand_addr=0xdd}}, 0x24) sendmmsg(r5, &(0x7f0000005c00)=[{{0x0, 0xfffffffffffffd95, 0x0, 0x0, &(0x7f0000000000)=ANY=[@ANYBLOB="18000800000000001001000001000000ec00000000000000"], 0x18}}], 0x1, 0x0) r6 = socket$inet6(0xa, 0x3, 0x6) mmap(&(0x7f0000ffd000/0x2000)=nil, 0x2000, 0x8, 0x810, r6, 0x0) setsockopt$inet6_IPV6_FLOWLABEL_MGR(r6, 0x29, 0x20, &(0x7f0000000080)={@loopback, 0x800, 0x0, 0x100000003, 0x1, 0x0, 0x0, 0x400000000}, 0x20) setsockopt$inet6_IPV6_FLOWLABEL_MGR(r6, 0x29, 0x20, &(0x7f0000000300)={@mcast2, 0x10000, 0x0, 0x102, 0x8000003}, 0x20) setsockopt$inet6_IPV6_FLOWLABEL_MGR(r6, 0x29, 0x20, &(0x7f0000000040)={@loopback, 0x0, 0x0, 0x1, 0x3}, 0x20) connect$inet6(r6, &(0x7f0000000500)={0xa, 0x0, 0x40f7, @mcast2, 0x7ff}, 0x9) r7 = syz_open_procfs(0x0, &(0x7f0000000600)='net/ip6_flowlabel\x00n\xc01\x14\x894X\xed\xc1\xc9\xd8\xdcK\r\x8d\xae\x98&@\xd0\xe6\xbbQ\xd7\xffYn\x1c\x92\xde\x0e\xaa1\x91\x98\xe9\x1f\nMCi|+\xcdw\xf0\x176Z\xf1`\xac\xf3;\xd6d2\xeb\xe5\f\x0e\x8b\xda\xf7\xfc9\xfe\xff4\xef\'\xa19q\x93\"\x7fG3\xc1E\xe6e6\xc6\xc2u\x11% \xe7+0\x97\x84;\\\xda\xc4\x80\xc3\xb18N\xbfY%\x05\xf8\x85\x89\xfc\xd2\xd7') sendfile(r6, r7, &(0x7f0000000240)=0x202, 0x4000000000dc) r8 = syz_genetlink_get_family_id$nbd(0x0) ioctl$KVM_S390_UCAS_UNMAP(r7, 0x4018ae51, &(0x7f00000000c0)={0x8000, 0x7ff, 0x2}) sendmsg$NBD_CMD_RECONFIGURE(r7, &(0x7f0000000200)={&(0x7f0000000100)={0x10, 0x0, 0x0, 0x80}, 0xc, &(0x7f00000001c0)={&(0x7f0000000180)={0x1ce, r8, 0xc05, 0x70bd29, 0x25dfdbff}, 0x14}, 0x1, 0x0, 0x0, 0x4}, 0x84) sendmsg$NBD_CMD_STATUS(r5, &(0x7f00000002c0)={&(0x7f0000000180)={0x10, 0x0, 0x0, 0x1000000}, 0xc, &(0x7f0000000280)={&(0x7f00000001c0)={0x28, r8, 0x10, 0x70bd25, 0x25dfdbfb, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x5}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x28}, 0x1, 0x0, 0x0, 0x8b29ba74f3c49941}, 0x4044) r9 = openat$audio(0xffffffffffffff9c, &(0x7f0000003500)='/dev/audio\x00', 0x200000, 0x0) r10 = socket$kcm(0x2b, 0x8000000000001, 0x0) ioctl$PERF_EVENT_IOC_ENABLE(r10, 0x8912, 0x400200) r11 = openat$vcs(0xffffffffffffff9c, &(0x7f0000000000)='/dev/vcs\x00', 0x0, 0x0) r12 = socket$nl_generic(0x10, 0x3, 0x10) poll(&(0x7f0000000040)=[{r11}, {r10}, {r12}], 0x3, 0x6) sendmsg$NBD_CMD_CONNECT(r3, &(0x7f0000003600)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x80}, 0xc, &(0x7f00000035c0)={&(0x7f0000003540)={0x54, r8, 0x300, 0x70bd2b, 0x25dfdbfe, {}, [@NBD_ATTR_SOCKETS={0x2c, 0x7, [{0x8, 0x1, r9}, {0x8, 0x1, r11}, {0x8, 0x1, r0}, {0x8}, {0x8, 0x1, r0}]}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}]}, 0x54}, 0x1, 0x0, 0x0, 0x80000c0}, 0x4000000) 10:47:22 executing program 1: r0 = perf_event_open(&(0x7f0000940000)={0x2, 0x70, 0xfffffffffffffffd, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}}, 0x0, 0x0, 0xffffffffffffffff, 0x0) mmap(&(0x7f00004da000/0x1000)=nil, 0x1000, 0x0, 0x4000012, r0, 0x0) mincore(&(0x7f00003fa000/0x200000)=nil, 0x2001b5, &(0x7f0000000000)=""/222) 10:47:23 executing program 3: mknod(&(0x7f0000000040)='./bus\x00', 0x2000000000001003, 0x0) r0 = open(&(0x7f0000000100)='./bus\x00', 0x20000000000b04, 0x0) r1 = epoll_create(0x7) epoll_ctl$EPOLL_CTL_ADD(r1, 0x1, r0, &(0x7f00000001c0)) r2 = socket$kcm(0x2b, 0x8000000000001, 0x0) ioctl$PERF_EVENT_IOC_ENABLE(r2, 0x8912, 0x400200) r3 = openat$vcs(0xffffffffffffff9c, &(0x7f0000000000)='/dev/vcs\x00', 0x0, 0x0) r4 = socket$nl_generic(0x10, 0x3, 0x10) poll(&(0x7f0000000040)=[{r3}, {r2}, {r4}], 0x3, 0x6) r5 = socket(0x2000000000000021, 0x2, 0x10000000000002) connect$rxrpc(r5, &(0x7f0000000140)=@in4={0x21, 0x0, 0x2, 0x10, {0x2, 0x0, @rand_addr=0xdd}}, 0x24) sendmmsg(r5, &(0x7f0000005c00)=[{{0x0, 0xfffffffffffffd95, 0x0, 0x0, &(0x7f0000000000)=ANY=[@ANYBLOB="18000800000000001001000001000000ec00000000000000"], 0x18}}], 0x1, 0x0) r6 = socket$inet6(0xa, 0x3, 0x6) mmap(&(0x7f0000ffd000/0x2000)=nil, 0x2000, 0x8, 0x810, r6, 0x0) setsockopt$inet6_IPV6_FLOWLABEL_MGR(r6, 0x29, 0x20, &(0x7f0000000080)={@loopback, 0x800, 0x0, 0x100000003, 0x1, 0x0, 0x0, 0x400000000}, 0x20) setsockopt$inet6_IPV6_FLOWLABEL_MGR(r6, 0x29, 0x20, &(0x7f0000000300)={@mcast2, 0x10000, 0x0, 0x102, 0x8000003}, 0x20) setsockopt$inet6_IPV6_FLOWLABEL_MGR(r6, 0x29, 0x20, &(0x7f0000000040)={@loopback, 0x0, 0x0, 0x1, 0x3}, 0x20) connect$inet6(r6, &(0x7f0000000500)={0xa, 0x0, 0x40f7, @mcast2, 0x7ff}, 0x9) r7 = syz_open_procfs(0x0, &(0x7f0000000600)='net/ip6_flowlabel\x00n\xc01\x14\x894X\xed\xc1\xc9\xd8\xdcK\r\x8d\xae\x98&@\xd0\xe6\xbbQ\xd7\xffYn\x1c\x92\xde\x0e\xaa1\x91\x98\xe9\x1f\nMCi|+\xcdw\xf0\x176Z\xf1`\xac\xf3;\xd6d2\xeb\xe5\f\x0e\x8b\xda\xf7\xfc9\xfe\xff4\xef\'\xa19q\x93\"\x7fG3\xc1E\xe6e6\xc6\xc2u\x11% \xe7+0\x97\x84;\\\xda\xc4\x80\xc3\xb18N\xbfY%\x05\xf8\x85\x89\xfc\xd2\xd7') sendfile(r6, r7, &(0x7f0000000240)=0x202, 0x4000000000dc) r8 = syz_genetlink_get_family_id$nbd(0x0) ioctl$KVM_S390_UCAS_UNMAP(r7, 0x4018ae51, &(0x7f00000000c0)={0x8000, 0x7ff, 0x2}) sendmsg$NBD_CMD_RECONFIGURE(r7, &(0x7f0000000200)={&(0x7f0000000100)={0x10, 0x0, 0x0, 0x80}, 0xc, &(0x7f00000001c0)={&(0x7f0000000180)={0x1ce, r8, 0xc05, 0x70bd29, 0x25dfdbff}, 0x14}, 0x1, 0x0, 0x0, 0x4}, 0x84) sendmsg$NBD_CMD_STATUS(r5, &(0x7f00000002c0)={&(0x7f0000000180)={0x10, 0x0, 0x0, 0x1000000}, 0xc, &(0x7f0000000280)={&(0x7f00000001c0)={0x28, r8, 0x10, 0x70bd25, 0x25dfdbfb, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x5}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x28}, 0x1, 0x0, 0x0, 0x8b29ba74f3c49941}, 0x4044) r9 = openat$audio(0xffffffffffffff9c, &(0x7f0000003500)='/dev/audio\x00', 0x200000, 0x0) r10 = socket$kcm(0x2b, 0x8000000000001, 0x0) ioctl$PERF_EVENT_IOC_ENABLE(r10, 0x8912, 0x400200) r11 = openat$vcs(0xffffffffffffff9c, &(0x7f0000000000)='/dev/vcs\x00', 0x0, 0x0) r12 = socket$nl_generic(0x10, 0x3, 0x10) poll(&(0x7f0000000040)=[{r11}, {r10}, {r12}], 0x3, 0x6) sendmsg$NBD_CMD_CONNECT(r3, &(0x7f0000003600)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x80}, 0xc, &(0x7f00000035c0)={&(0x7f0000003540)={0x54, r8, 0x300, 0x70bd2b, 0x25dfdbfe, {}, [@NBD_ATTR_SOCKETS={0x2c, 0x7, [{0x8, 0x1, r9}, {0x8, 0x1, r11}, {0x8, 0x1, r0}, {0x8}, {0x8, 0x1, r0}]}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}]}, 0x54}, 0x1, 0x0, 0x0, 0x80000c0}, 0x4000000) 10:47:23 executing program 2: r0 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f00000000c0)='memory.events\x00', 0x26e1, 0x0) r1 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000100)='memory.events\x00', 0x7a05, 0x1700) write$cgroup_subtree(r0, &(0x7f0000000600)=ANY=[@ANYPTR64], 0xfe9d) ioctl$FS_IOC_RESVSP(0xffffffffffffffff, 0x40305828, &(0x7f00000001c0)={0x0, 0x0, 0xfff, 0xffffffffffffffff}) ioctl$FS_IOC_RESVSP(r1, 0x40305828, &(0x7f0000000180)={0x0, 0x0, 0xae15, 0xd8a}) ioctl$FS_IOC_SETFLAGS(r1, 0x40086602, &(0x7f0000000080)=0x9) socketpair$unix(0x1, 0x1, 0x0, &(0x7f0000000180)={0xffffffffffffffff, 0xffffffffffffffff}) r3 = getpid() sched_setattr(r3, &(0x7f0000000040)={0x30, 0x2, 0x0, 0x0, 0x8}, 0x0) fcntl$setownex(r2, 0xf, &(0x7f0000000240)={0x2, r3}) ioctl$BLKPBSZGET(0xffffffffffffffff, 0x127b, &(0x7f0000000040)) r4 = dup(r2) r5 = socket$kcm(0x2b, 0x8000000000001, 0x0) ioctl$PERF_EVENT_IOC_ENABLE(r5, 0x8912, 0x400200) r6 = openat$vcs(0xffffffffffffff9c, &(0x7f0000000000)='/dev/vcs\x00', 0x0, 0x0) r7 = socket$nl_generic(0x10, 0x3, 0x10) poll(&(0x7f0000000040)=[{r6}, {r5}, {r7}], 0x3, 0x6) accept4$bt_l2cap(r6, &(0x7f0000000000), &(0x7f0000000200)=0xe, 0x80000) ioctl$PERF_EVENT_IOC_ENABLE(r4, 0x8912, 0x400200) fcntl$dupfd(0xffffffffffffffff, 0x0, 0xffffffffffffffff) write$cgroup_pid(r1, &(0x7f0000000140), 0x1000001fb) 10:47:23 executing program 1: r0 = perf_event_open(&(0x7f0000940000)={0x2, 0x70, 0xfffffffffffffffd, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}}, 0x0, 0x0, 0xffffffffffffffff, 0x0) mmap(&(0x7f00004da000/0x1000)=nil, 0x1000, 0x0, 0x4000012, r0, 0x0) mincore(&(0x7f00003fa000/0x200000)=nil, 0x2001b6, &(0x7f0000000000)=""/222) 10:47:23 executing program 2: openat$cgroup(0xffffffffffffffff, &(0x7f0000000280)='syz1\x00', 0x200002, 0x0) r0 = socket$kcm(0x2b, 0x8000000000001, 0x0) ioctl$PERF_EVENT_IOC_ENABLE(r0, 0x8912, 0x400200) r1 = openat$vcs(0xffffffffffffff9c, &(0x7f0000000000)='/dev/vcs\x00', 0x0, 0x0) r2 = socket$nl_generic(0x10, 0x3, 0x10) poll(&(0x7f0000000040)=[{r1}, {r0}, {r2}], 0x3, 0x6) r3 = openat$cgroup_ro(r1, &(0x7f00000002c0)='cpuset.effective_cpus\x00', 0x26e1, 0x0) r4 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000100)='memory.events\x00', 0x7a05, 0x1700) write$cgroup_subtree(r3, &(0x7f0000000600)=ANY=[@ANYPTR64], 0xfe9d) ioctl$FS_IOC_RESVSP(r3, 0x40305828, &(0x7f00000001c0)={0x0, 0x0, 0x0, 0xcf}) ioctl$FS_IOC_RESVSP(r4, 0x40305828, &(0x7f0000000180)={0x0, 0x0, 0xae15, 0xd8a}) ioctl$FS_IOC_SETFLAGS(r4, 0x40086602, &(0x7f0000000080)=0x9) socketpair$unix(0x1, 0x1, 0x0, &(0x7f0000000180)={0xffffffffffffffff, 0xffffffffffffffff}) r6 = dup(r5) ioctl$PERF_EVENT_IOC_ENABLE(r6, 0x8912, 0x400200) fcntl$dupfd(0xffffffffffffffff, 0x0, 0xffffffffffffffff) r7 = getpid() sched_setattr(r7, &(0x7f0000000040)={0x30, 0x2, 0x0, 0x0, 0x8}, 0x0) ioctl$TIOCSPGRP(r3, 0x5410, &(0x7f0000000040)=r7) write$cgroup_pid(r4, &(0x7f0000000000), 0xfffffea6) 10:47:23 executing program 3: mknod(&(0x7f0000000040)='./bus\x00', 0x2000000000001003, 0x0) r0 = open(&(0x7f0000000100)='./bus\x00', 0x20000000000b04, 0x0) r1 = epoll_create(0x7) epoll_ctl$EPOLL_CTL_ADD(r1, 0x1, r0, &(0x7f00000001c0)) r2 = socket$kcm(0x2b, 0x8000000000001, 0x0) ioctl$PERF_EVENT_IOC_ENABLE(r2, 0x8912, 0x400200) r3 = openat$vcs(0xffffffffffffff9c, &(0x7f0000000000)='/dev/vcs\x00', 0x0, 0x0) r4 = socket$nl_generic(0x10, 0x3, 0x10) poll(&(0x7f0000000040)=[{r3}, {r2}, {r4}], 0x3, 0x6) r5 = socket(0x2000000000000021, 0x2, 0x10000000000002) connect$rxrpc(r5, &(0x7f0000000140)=@in4={0x21, 0x0, 0x2, 0x10, {0x2, 0x0, @rand_addr=0xdd}}, 0x24) sendmmsg(r5, &(0x7f0000005c00)=[{{0x0, 0xfffffffffffffd95, 0x0, 0x0, &(0x7f0000000000)=ANY=[@ANYBLOB="18000800000000001001000001000000ec00000000000000"], 0x18}}], 0x1, 0x0) r6 = socket$inet6(0xa, 0x3, 0x6) mmap(&(0x7f0000ffd000/0x2000)=nil, 0x2000, 0x8, 0x810, r6, 0x0) setsockopt$inet6_IPV6_FLOWLABEL_MGR(r6, 0x29, 0x20, &(0x7f0000000080)={@loopback, 0x800, 0x0, 0x100000003, 0x1, 0x0, 0x0, 0x400000000}, 0x20) setsockopt$inet6_IPV6_FLOWLABEL_MGR(r6, 0x29, 0x20, &(0x7f0000000300)={@mcast2, 0x10000, 0x0, 0x102, 0x8000003}, 0x20) setsockopt$inet6_IPV6_FLOWLABEL_MGR(r6, 0x29, 0x20, &(0x7f0000000040)={@loopback, 0x0, 0x0, 0x1, 0x3}, 0x20) connect$inet6(r6, &(0x7f0000000500)={0xa, 0x0, 0x40f7, @mcast2, 0x7ff}, 0x9) r7 = syz_open_procfs(0x0, &(0x7f0000000600)='net/ip6_flowlabel\x00n\xc01\x14\x894X\xed\xc1\xc9\xd8\xdcK\r\x8d\xae\x98&@\xd0\xe6\xbbQ\xd7\xffYn\x1c\x92\xde\x0e\xaa1\x91\x98\xe9\x1f\nMCi|+\xcdw\xf0\x176Z\xf1`\xac\xf3;\xd6d2\xeb\xe5\f\x0e\x8b\xda\xf7\xfc9\xfe\xff4\xef\'\xa19q\x93\"\x7fG3\xc1E\xe6e6\xc6\xc2u\x11% \xe7+0\x97\x84;\\\xda\xc4\x80\xc3\xb18N\xbfY%\x05\xf8\x85\x89\xfc\xd2\xd7') sendfile(r6, r7, &(0x7f0000000240)=0x202, 0x4000000000dc) r8 = syz_genetlink_get_family_id$nbd(&(0x7f0000000140)='nbd\x00') ioctl$KVM_S390_UCAS_UNMAP(0xffffffffffffffff, 0x4018ae51, &(0x7f00000000c0)={0x8000, 0x7ff, 0x2}) sendmsg$NBD_CMD_RECONFIGURE(r7, &(0x7f0000000200)={&(0x7f0000000100)={0x10, 0x0, 0x0, 0x80}, 0xc, &(0x7f00000001c0)={&(0x7f0000000180)={0x1ce, r8, 0xc05, 0x70bd29, 0x25dfdbff}, 0x14}, 0x1, 0x0, 0x0, 0x4}, 0x84) sendmsg$NBD_CMD_STATUS(r5, &(0x7f00000002c0)={&(0x7f0000000180)={0x10, 0x0, 0x0, 0x1000000}, 0xc, &(0x7f0000000280)={&(0x7f00000001c0)={0x28, r8, 0x10, 0x70bd25, 0x25dfdbfb, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x5}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x28}, 0x1, 0x0, 0x0, 0x8b29ba74f3c49941}, 0x4044) r9 = openat$audio(0xffffffffffffff9c, &(0x7f0000003500)='/dev/audio\x00', 0x200000, 0x0) r10 = socket$kcm(0x2b, 0x8000000000001, 0x0) ioctl$PERF_EVENT_IOC_ENABLE(r10, 0x8912, 0x400200) r11 = openat$vcs(0xffffffffffffff9c, &(0x7f0000000000)='/dev/vcs\x00', 0x0, 0x0) r12 = socket$nl_generic(0x10, 0x3, 0x10) poll(&(0x7f0000000040)=[{r11}, {r10}, {r12}], 0x3, 0x6) sendmsg$NBD_CMD_CONNECT(r3, &(0x7f0000003600)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x80}, 0xc, &(0x7f00000035c0)={&(0x7f0000003540)={0x54, r8, 0x300, 0x70bd2b, 0x25dfdbfe, {}, [@NBD_ATTR_SOCKETS={0x2c, 0x7, [{0x8, 0x1, r9}, {0x8, 0x1, r11}, {0x8, 0x1, r0}, {0x8}, {0x8, 0x1, r0}]}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}]}, 0x54}, 0x1, 0x0, 0x0, 0x80000c0}, 0x4000000) 10:47:23 executing program 5: perf_event_open(&(0x7f0000940000)={0x2, 0x70, 0xee6a, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}}, 0x0, 0x0, 0xffffffffffffffff, 0x0) r0 = socket$nl_xfrm(0x10, 0x3, 0x6) sendmsg$nl_xfrm(r0, &(0x7f00000000c0)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000380)=@newae={0x54, 0x1e, 0x701, 0x0, 0x0, {{@in=@multicast1}, @in6=@loopback}, [@mark={0xc}, @replay_thresh={0x8}]}, 0x54}, 0x8}, 0x0) 10:47:23 executing program 1: r0 = perf_event_open(&(0x7f0000940000)={0x2, 0x70, 0xfffffffffffffffd, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}}, 0x0, 0x0, 0xffffffffffffffff, 0x0) mmap(&(0x7f00004da000/0x1000)=nil, 0x1000, 0x0, 0x4000012, r0, 0x0) mincore(&(0x7f00003fa000/0x200000)=nil, 0x2001b7, &(0x7f0000000000)=""/222) 10:47:23 executing program 2: r0 = socket$kcm(0x2b, 0x8000000000001, 0x0) ioctl$PERF_EVENT_IOC_ENABLE(r0, 0x8912, 0x400200) r1 = openat$vcs(0xffffffffffffff9c, &(0x7f0000000000)='/dev/vcs\x00', 0x0, 0x0) r2 = socket$nl_generic(0x10, 0x3, 0x10) poll(&(0x7f0000000040)=[{r1}, {r0}, {r2}], 0x3, 0x6) accept4$unix(r1, 0x0, &(0x7f0000000280), 0x800) r3 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f00000000c0)='memory.events\x00', 0x26e1, 0x0) setsockopt$IP6T_SO_SET_ADD_COUNTERS(r3, 0x29, 0x41, &(0x7f0000000200)={'filter\x00', 0x5, [{}, {}, {}, {}, {}]}, 0x78) r4 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000100)='memory.events\x00', 0x7a05, 0x1700) write$cgroup_subtree(r3, &(0x7f0000000600)=ANY=[@ANYPTR64], 0xfe9d) ioctl$FS_IOC_RESVSP(r3, 0x40305828, &(0x7f00000001c0)={0x0, 0x0, 0x0, 0xcf}) ioctl$FS_IOC_RESVSP(r4, 0x40305828, &(0x7f0000000180)={0x0, 0x0, 0xae15, 0xd8a}) ioctl$FS_IOC_SETFLAGS(r4, 0x40086602, &(0x7f0000000080)=0x9) r5 = openat$vsock(0xffffffffffffff9c, &(0x7f0000000040)='/dev/vsock\x00', 0x100, 0x0) openat(r5, &(0x7f0000000140)='./file0\x00', 0x8404, 0x100) socketpair$unix(0x1, 0x1, 0x0, &(0x7f0000000180)={0xffffffffffffffff, 0xffffffffffffffff}) r7 = dup(r6) ioctl$PERF_EVENT_IOC_ENABLE(r7, 0x8912, 0x400200) fcntl$dupfd(0xffffffffffffffff, 0x0, 0xffffffffffffffff) write$cgroup_pid(r4, &(0x7f0000000000), 0xfffffea6) 10:47:23 executing program 3: mknod(&(0x7f0000000040)='./bus\x00', 0x2000000000001003, 0x0) r0 = open(&(0x7f0000000100)='./bus\x00', 0x20000000000b04, 0x0) r1 = epoll_create(0x7) epoll_ctl$EPOLL_CTL_ADD(r1, 0x1, r0, &(0x7f00000001c0)) r2 = socket$kcm(0x2b, 0x8000000000001, 0x0) ioctl$PERF_EVENT_IOC_ENABLE(r2, 0x8912, 0x400200) r3 = openat$vcs(0xffffffffffffff9c, &(0x7f0000000000)='/dev/vcs\x00', 0x0, 0x0) r4 = socket$nl_generic(0x10, 0x3, 0x10) poll(&(0x7f0000000040)=[{r3}, {r2}, {r4}], 0x3, 0x6) r5 = socket(0x2000000000000021, 0x2, 0x10000000000002) connect$rxrpc(r5, &(0x7f0000000140)=@in4={0x21, 0x0, 0x2, 0x10, {0x2, 0x0, @rand_addr=0xdd}}, 0x24) sendmmsg(r5, &(0x7f0000005c00)=[{{0x0, 0xfffffffffffffd95, 0x0, 0x0, &(0x7f0000000000)=ANY=[@ANYBLOB="18000800000000001001000001000000ec00000000000000"], 0x18}}], 0x1, 0x0) r6 = socket$inet6(0xa, 0x3, 0x6) mmap(&(0x7f0000ffd000/0x2000)=nil, 0x2000, 0x8, 0x810, r6, 0x0) setsockopt$inet6_IPV6_FLOWLABEL_MGR(r6, 0x29, 0x20, &(0x7f0000000080)={@loopback, 0x800, 0x0, 0x100000003, 0x1, 0x0, 0x0, 0x400000000}, 0x20) setsockopt$inet6_IPV6_FLOWLABEL_MGR(r6, 0x29, 0x20, &(0x7f0000000300)={@mcast2, 0x10000, 0x0, 0x102, 0x8000003}, 0x20) setsockopt$inet6_IPV6_FLOWLABEL_MGR(r6, 0x29, 0x20, &(0x7f0000000040)={@loopback, 0x0, 0x0, 0x1, 0x3}, 0x20) connect$inet6(r6, &(0x7f0000000500)={0xa, 0x0, 0x40f7, @mcast2, 0x7ff}, 0x9) r7 = syz_open_procfs(0x0, &(0x7f0000000600)='net/ip6_flowlabel\x00n\xc01\x14\x894X\xed\xc1\xc9\xd8\xdcK\r\x8d\xae\x98&@\xd0\xe6\xbbQ\xd7\xffYn\x1c\x92\xde\x0e\xaa1\x91\x98\xe9\x1f\nMCi|+\xcdw\xf0\x176Z\xf1`\xac\xf3;\xd6d2\xeb\xe5\f\x0e\x8b\xda\xf7\xfc9\xfe\xff4\xef\'\xa19q\x93\"\x7fG3\xc1E\xe6e6\xc6\xc2u\x11% \xe7+0\x97\x84;\\\xda\xc4\x80\xc3\xb18N\xbfY%\x05\xf8\x85\x89\xfc\xd2\xd7') sendfile(r6, r7, &(0x7f0000000240)=0x202, 0x4000000000dc) r8 = syz_genetlink_get_family_id$nbd(&(0x7f0000000140)='nbd\x00') ioctl$KVM_S390_UCAS_UNMAP(0xffffffffffffffff, 0x4018ae51, &(0x7f00000000c0)={0x8000, 0x7ff, 0x2}) sendmsg$NBD_CMD_RECONFIGURE(r7, &(0x7f0000000200)={&(0x7f0000000100)={0x10, 0x0, 0x0, 0x80}, 0xc, &(0x7f00000001c0)={&(0x7f0000000180)={0x1ce, r8, 0xc05, 0x70bd29, 0x25dfdbff}, 0x14}, 0x1, 0x0, 0x0, 0x4}, 0x84) sendmsg$NBD_CMD_STATUS(r5, &(0x7f00000002c0)={&(0x7f0000000180)={0x10, 0x0, 0x0, 0x1000000}, 0xc, &(0x7f0000000280)={&(0x7f00000001c0)={0x28, r8, 0x10, 0x70bd25, 0x25dfdbfb, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x5}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x28}, 0x1, 0x0, 0x0, 0x8b29ba74f3c49941}, 0x4044) r9 = openat$audio(0xffffffffffffff9c, &(0x7f0000003500)='/dev/audio\x00', 0x200000, 0x0) r10 = socket$kcm(0x2b, 0x8000000000001, 0x0) ioctl$PERF_EVENT_IOC_ENABLE(r10, 0x8912, 0x400200) r11 = openat$vcs(0xffffffffffffff9c, &(0x7f0000000000)='/dev/vcs\x00', 0x0, 0x0) r12 = socket$nl_generic(0x10, 0x3, 0x10) poll(&(0x7f0000000040)=[{r11}, {r10}, {r12}], 0x3, 0x6) sendmsg$NBD_CMD_CONNECT(r3, &(0x7f0000003600)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x80}, 0xc, &(0x7f00000035c0)={&(0x7f0000003540)={0x54, r8, 0x300, 0x70bd2b, 0x25dfdbfe, {}, [@NBD_ATTR_SOCKETS={0x2c, 0x7, [{0x8, 0x1, r9}, {0x8, 0x1, r11}, {0x8, 0x1, r0}, {0x8}, {0x8, 0x1, r0}]}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}]}, 0x54}, 0x1, 0x0, 0x0, 0x80000c0}, 0x4000000) 10:47:23 executing program 1: r0 = perf_event_open(&(0x7f0000940000)={0x2, 0x70, 0xfffffffffffffffd, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}}, 0x0, 0x0, 0xffffffffffffffff, 0x0) mmap(&(0x7f00004da000/0x1000)=nil, 0x1000, 0x0, 0x4000012, r0, 0x0) mincore(&(0x7f00003fa000/0x200000)=nil, 0x2001b8, &(0x7f0000000000)=""/222) 10:47:23 executing program 5: perf_event_open(&(0x7f0000940000)={0x2, 0x70, 0xee6a, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}}, 0x0, 0x0, 0xffffffffffffffff, 0x0) r0 = socket$nl_xfrm(0x10, 0x3, 0x6) sendmsg$nl_xfrm(r0, &(0x7f00000000c0)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000380)=@newae={0x48, 0x1e, 0x701, 0x0, 0x0, {{@in=@multicast1}, @in6=@loopback}, [@replay_thresh={0x8}]}, 0x48}, 0x8}, 0x0) 10:47:23 executing program 3: mknod(&(0x7f0000000040)='./bus\x00', 0x2000000000001003, 0x0) r0 = open(&(0x7f0000000100)='./bus\x00', 0x20000000000b04, 0x0) r1 = epoll_create(0x7) epoll_ctl$EPOLL_CTL_ADD(r1, 0x1, r0, &(0x7f00000001c0)) r2 = socket$kcm(0x2b, 0x8000000000001, 0x0) ioctl$PERF_EVENT_IOC_ENABLE(r2, 0x8912, 0x400200) r3 = openat$vcs(0xffffffffffffff9c, &(0x7f0000000000)='/dev/vcs\x00', 0x0, 0x0) r4 = socket$nl_generic(0x10, 0x3, 0x10) poll(&(0x7f0000000040)=[{r3}, {r2}, {r4}], 0x3, 0x6) r5 = socket(0x2000000000000021, 0x2, 0x10000000000002) connect$rxrpc(r5, &(0x7f0000000140)=@in4={0x21, 0x0, 0x2, 0x10, {0x2, 0x0, @rand_addr=0xdd}}, 0x24) sendmmsg(r5, &(0x7f0000005c00)=[{{0x0, 0xfffffffffffffd95, 0x0, 0x0, &(0x7f0000000000)=ANY=[@ANYBLOB="18000800000000001001000001000000ec00000000000000"], 0x18}}], 0x1, 0x0) r6 = socket$inet6(0xa, 0x3, 0x6) mmap(&(0x7f0000ffd000/0x2000)=nil, 0x2000, 0x8, 0x810, r6, 0x0) setsockopt$inet6_IPV6_FLOWLABEL_MGR(r6, 0x29, 0x20, &(0x7f0000000080)={@loopback, 0x800, 0x0, 0x100000003, 0x1, 0x0, 0x0, 0x400000000}, 0x20) setsockopt$inet6_IPV6_FLOWLABEL_MGR(r6, 0x29, 0x20, &(0x7f0000000300)={@mcast2, 0x10000, 0x0, 0x102, 0x8000003}, 0x20) setsockopt$inet6_IPV6_FLOWLABEL_MGR(r6, 0x29, 0x20, &(0x7f0000000040)={@loopback, 0x0, 0x0, 0x1, 0x3}, 0x20) connect$inet6(r6, &(0x7f0000000500)={0xa, 0x0, 0x40f7, @mcast2, 0x7ff}, 0x9) r7 = syz_open_procfs(0x0, &(0x7f0000000600)='net/ip6_flowlabel\x00n\xc01\x14\x894X\xed\xc1\xc9\xd8\xdcK\r\x8d\xae\x98&@\xd0\xe6\xbbQ\xd7\xffYn\x1c\x92\xde\x0e\xaa1\x91\x98\xe9\x1f\nMCi|+\xcdw\xf0\x176Z\xf1`\xac\xf3;\xd6d2\xeb\xe5\f\x0e\x8b\xda\xf7\xfc9\xfe\xff4\xef\'\xa19q\x93\"\x7fG3\xc1E\xe6e6\xc6\xc2u\x11% \xe7+0\x97\x84;\\\xda\xc4\x80\xc3\xb18N\xbfY%\x05\xf8\x85\x89\xfc\xd2\xd7') sendfile(r6, r7, &(0x7f0000000240)=0x202, 0x4000000000dc) r8 = syz_genetlink_get_family_id$nbd(&(0x7f0000000140)='nbd\x00') ioctl$KVM_S390_UCAS_UNMAP(0xffffffffffffffff, 0x4018ae51, &(0x7f00000000c0)={0x8000, 0x7ff, 0x2}) sendmsg$NBD_CMD_RECONFIGURE(r7, &(0x7f0000000200)={&(0x7f0000000100)={0x10, 0x0, 0x0, 0x80}, 0xc, &(0x7f00000001c0)={&(0x7f0000000180)={0x1ce, r8, 0xc05, 0x70bd29, 0x25dfdbff}, 0x14}, 0x1, 0x0, 0x0, 0x4}, 0x84) sendmsg$NBD_CMD_STATUS(r5, &(0x7f00000002c0)={&(0x7f0000000180)={0x10, 0x0, 0x0, 0x1000000}, 0xc, &(0x7f0000000280)={&(0x7f00000001c0)={0x28, r8, 0x10, 0x70bd25, 0x25dfdbfb, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x5}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x28}, 0x1, 0x0, 0x0, 0x8b29ba74f3c49941}, 0x4044) r9 = openat$audio(0xffffffffffffff9c, &(0x7f0000003500)='/dev/audio\x00', 0x200000, 0x0) r10 = socket$kcm(0x2b, 0x8000000000001, 0x0) ioctl$PERF_EVENT_IOC_ENABLE(r10, 0x8912, 0x400200) r11 = openat$vcs(0xffffffffffffff9c, &(0x7f0000000000)='/dev/vcs\x00', 0x0, 0x0) r12 = socket$nl_generic(0x10, 0x3, 0x10) poll(&(0x7f0000000040)=[{r11}, {r10}, {r12}], 0x3, 0x6) sendmsg$NBD_CMD_CONNECT(r3, &(0x7f0000003600)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x80}, 0xc, &(0x7f00000035c0)={&(0x7f0000003540)={0x54, r8, 0x300, 0x70bd2b, 0x25dfdbfe, {}, [@NBD_ATTR_SOCKETS={0x2c, 0x7, [{0x8, 0x1, r9}, {0x8, 0x1, r11}, {0x8, 0x1, r0}, {0x8}, {0x8, 0x1, r0}]}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}]}, 0x54}, 0x1, 0x0, 0x0, 0x80000c0}, 0x4000000) 10:47:24 executing program 2: r0 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f00000000c0)='memory.events\x00', 0x26e1, 0x0) r1 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000100)='memory.events\x00', 0x7a05, 0x1700) write$cgroup_subtree(r0, &(0x7f0000000600)=ANY=[@ANYPTR64], 0xfe9d) ioctl$FS_IOC_RESVSP(r0, 0x40305828, &(0x7f00000001c0)={0x0, 0x0, 0x0, 0xcf}) ioctl$FS_IOC_RESVSP(r1, 0x40305828, &(0x7f0000000180)={0x0, 0x0, 0xae15, 0xd8a}) ioctl$FS_IOC_SETFLAGS(r1, 0x40086602, &(0x7f0000000080)=0x9) socketpair$unix(0x1, 0x1, 0x0, &(0x7f0000000180)={0xffffffffffffffff, 0xffffffffffffffff}) prctl$PR_SET_TIMERSLACK(0x1d, 0x5) r3 = dup(r2) r4 = socket$kcm(0x2b, 0x8000000000001, 0x0) ioctl$PERF_EVENT_IOC_ENABLE(r4, 0x8912, 0x400200) r5 = openat$vcs(0xffffffffffffff9c, &(0x7f0000000000)='/dev/vcs\x00', 0x0, 0x0) r6 = socket$nl_generic(0x10, 0x3, 0x10) poll(&(0x7f0000000040)=[{r5}, {r4, 0x4204}, {r6, 0x8}], 0x3, 0x6) ioctl$sock_bt_bnep_BNEPGETCONNINFO(r5, 0x800442d3, &(0x7f0000000200)={0x6, 0x81, 0x8bf, @remote, 'veth1_to_bond\x00'}) ioctl$PERF_EVENT_IOC_ENABLE(r3, 0x8912, 0x400200) fcntl$dupfd(0xffffffffffffffff, 0x0, 0xffffffffffffffff) r7 = openat$autofs(0xffffffffffffff9c, &(0x7f0000000040)='/dev/autofs\x00', 0x92800, 0x0) pipe(&(0x7f0000000000)={0xffffffffffffffff, 0xffffffffffffffff}) r10 = socket$inet_udp(0x2, 0x2, 0x0) writev(r9, &(0x7f0000000200)=[{&(0x7f00000000c0)="580000001400ad", 0x7}], 0x1) write$binfmt_elf64(r9, &(0x7f0000000080)=ANY=[@ANYBLOB="7f455c410600010005010d4da5921d751890fe532e3f"], 0x16) close(r10) socket$netlink(0x10, 0x3, 0x4) write$binfmt_misc(r9, &(0x7f0000000140)=ANY=[], 0xfef0) r11 = perf_event_open(&(0x7f0000000040)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) fcntl$setstatus(r11, 0x4, 0x42000) splice(r8, 0x0, r10, 0x0, 0x80000001, 0x0) ioctl$sock_inet_udp_SIOCOUTQ(r7, 0x5411, &(0x7f0000000140)) write$cgroup_pid(r1, &(0x7f0000000000), 0xfffffea6) 10:47:24 executing program 1: r0 = perf_event_open(&(0x7f0000940000)={0x2, 0x70, 0xfffffffffffffffd, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}}, 0x0, 0x0, 0xffffffffffffffff, 0x0) mmap(&(0x7f00004da000/0x1000)=nil, 0x1000, 0x0, 0x4000012, r0, 0x0) mincore(&(0x7f00003fa000/0x200000)=nil, 0x2001b9, &(0x7f0000000000)=""/222) 10:47:24 executing program 3: mknod(&(0x7f0000000040)='./bus\x00', 0x2000000000001003, 0x0) r0 = open(&(0x7f0000000100)='./bus\x00', 0x20000000000b04, 0x0) r1 = epoll_create(0x7) epoll_ctl$EPOLL_CTL_ADD(r1, 0x1, r0, &(0x7f00000001c0)) r2 = socket$kcm(0x2b, 0x8000000000001, 0x0) ioctl$PERF_EVENT_IOC_ENABLE(r2, 0x8912, 0x400200) r3 = openat$vcs(0xffffffffffffff9c, &(0x7f0000000000)='/dev/vcs\x00', 0x0, 0x0) r4 = socket$nl_generic(0x10, 0x3, 0x10) poll(&(0x7f0000000040)=[{r3}, {r2}, {r4}], 0x3, 0x6) r5 = socket(0x2000000000000021, 0x2, 0x10000000000002) connect$rxrpc(r5, &(0x7f0000000140)=@in4={0x21, 0x0, 0x2, 0x10, {0x2, 0x0, @rand_addr=0xdd}}, 0x24) sendmmsg(r5, &(0x7f0000005c00)=[{{0x0, 0xfffffffffffffd95, 0x0, 0x0, &(0x7f0000000000)=ANY=[@ANYBLOB="18000800000000001001000001000000ec00000000000000"], 0x18}}], 0x1, 0x0) r6 = socket$inet6(0xa, 0x3, 0x6) mmap(&(0x7f0000ffd000/0x2000)=nil, 0x2000, 0x8, 0x810, r6, 0x0) setsockopt$inet6_IPV6_FLOWLABEL_MGR(r6, 0x29, 0x20, &(0x7f0000000080)={@loopback, 0x800, 0x0, 0x100000003, 0x1, 0x0, 0x0, 0x400000000}, 0x20) setsockopt$inet6_IPV6_FLOWLABEL_MGR(r6, 0x29, 0x20, &(0x7f0000000300)={@mcast2, 0x10000, 0x0, 0x102, 0x8000003}, 0x20) setsockopt$inet6_IPV6_FLOWLABEL_MGR(r6, 0x29, 0x20, &(0x7f0000000040)={@loopback, 0x0, 0x0, 0x1, 0x3}, 0x20) connect$inet6(r6, &(0x7f0000000500)={0xa, 0x0, 0x40f7, @mcast2, 0x7ff}, 0x9) r7 = syz_open_procfs(0x0, &(0x7f0000000600)='net/ip6_flowlabel\x00n\xc01\x14\x894X\xed\xc1\xc9\xd8\xdcK\r\x8d\xae\x98&@\xd0\xe6\xbbQ\xd7\xffYn\x1c\x92\xde\x0e\xaa1\x91\x98\xe9\x1f\nMCi|+\xcdw\xf0\x176Z\xf1`\xac\xf3;\xd6d2\xeb\xe5\f\x0e\x8b\xda\xf7\xfc9\xfe\xff4\xef\'\xa19q\x93\"\x7fG3\xc1E\xe6e6\xc6\xc2u\x11% \xe7+0\x97\x84;\\\xda\xc4\x80\xc3\xb18N\xbfY%\x05\xf8\x85\x89\xfc\xd2\xd7') sendfile(r6, r7, &(0x7f0000000240)=0x202, 0x4000000000dc) r8 = syz_genetlink_get_family_id$nbd(&(0x7f0000000140)='nbd\x00') ioctl$KVM_S390_UCAS_UNMAP(r7, 0x4018ae51, 0x0) sendmsg$NBD_CMD_RECONFIGURE(r7, &(0x7f0000000200)={&(0x7f0000000100)={0x10, 0x0, 0x0, 0x80}, 0xc, &(0x7f00000001c0)={&(0x7f0000000180)={0x1ce, r8, 0xc05, 0x70bd29, 0x25dfdbff}, 0x14}, 0x1, 0x0, 0x0, 0x4}, 0x84) sendmsg$NBD_CMD_STATUS(r5, &(0x7f00000002c0)={&(0x7f0000000180)={0x10, 0x0, 0x0, 0x1000000}, 0xc, &(0x7f0000000280)={&(0x7f00000001c0)={0x28, r8, 0x10, 0x70bd25, 0x25dfdbfb, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x5}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x28}, 0x1, 0x0, 0x0, 0x8b29ba74f3c49941}, 0x4044) r9 = openat$audio(0xffffffffffffff9c, &(0x7f0000003500)='/dev/audio\x00', 0x200000, 0x0) r10 = socket$kcm(0x2b, 0x8000000000001, 0x0) ioctl$PERF_EVENT_IOC_ENABLE(r10, 0x8912, 0x400200) r11 = openat$vcs(0xffffffffffffff9c, &(0x7f0000000000)='/dev/vcs\x00', 0x0, 0x0) r12 = socket$nl_generic(0x10, 0x3, 0x10) poll(&(0x7f0000000040)=[{r11}, {r10}, {r12}], 0x3, 0x6) sendmsg$NBD_CMD_CONNECT(r3, &(0x7f0000003600)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x80}, 0xc, &(0x7f00000035c0)={&(0x7f0000003540)={0x54, r8, 0x300, 0x70bd2b, 0x25dfdbfe, {}, [@NBD_ATTR_SOCKETS={0x2c, 0x7, [{0x8, 0x1, r9}, {0x8, 0x1, r11}, {0x8, 0x1, r0}, {0x8}, {0x8, 0x1, r0}]}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}]}, 0x54}, 0x1, 0x0, 0x0, 0x80000c0}, 0x4000000) 10:47:24 executing program 5: prlimit64(0x0, 0x0, &(0x7f0000000280), 0x0) ioctl(0xffffffffffffffff, 0x0, 0x0) fchdir(0xffffffffffffffff) perf_event_open(&(0x7f0000000700)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x50d, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext}, 0x0, 0x0, 0xffffffffffffffff, 0x0) write(0xffffffffffffffff, 0x0, 0x0) pipe(0x0) r0 = openat$cgroup_ro(0xffffffffffffffff, &(0x7f0000000740)='/gro<#\xfbW\xe6\xc6\x0f\x1fKE\xb7M\x99\x9a\x9a\a\xd2\x8f(.\xf6\x18\xa4\xcb:\x9c\xd1-\xce\xa4@\xd8\x99\xc2,e\xab\x8d\xed\xa6\\\x1c\xc3\x97\x94\xf6\xe0.+\xe3\x89\xde\x139E\xa3\x85\xbd\x81\xe9\xbd\xee\xee\x03\x00\x00\x00\x00\x00\x00\x00[T\x15v$\xc5\xbc\x11N\t\x9ej5)\x00\x00\x009\x8c4\xc4\x88C\xa2B\x8b\x81\v\xea\t\xf0\x8fw\a\f\x15\xe2\xd0q\xbb\t\xbf\x85\x98~\v\xd8D\xab9(\xf6.\x15\xcd2-\xf2\xc4\xd8\x00a\xd5\xd9\xb5Z\xd7\xb4\xac\x1d_+k\xd6\x8ag\xdceHE\xd5\x1c\x8a\xbd#\xcc\x82\xc2\xc2(\xb6\xe1\x99p\x9b\xa3D\xd2\x91\x96\xef\x05\fv\x16\x14\xcc\xea\x9d\x11w\x1e\xb5VG\x9ad\x9a`=^h\x8c8\xc9\"\x1eO\xb5vk\xc9\v\x17\x95\xf7\x19\x99\x99\x92\xc3\xc0\x8a\x18\xc7\"g\xd7B\x8f\x85\x18\xf3\x02\xa7\xb6\x83\x92\xefY\xef\x85\x92\x10E\x18\xbc\xacy\xd6\xa7Wh\xcd\xd0\xfa\xcc\x01\xeb\xdf\xad\xfd\xb0\xee\xfb\xc2(\x8cj\xd0uj{4\xb2\xe1p\x88u6\x9a;\xaa\x9f+J\x9e\xe3\xcc\xc7O\xad\x84\x8c;\x92~,\x15\xb2\x97\f~\xa0W\x16\x8b\a\x88\xaa\xe4C\xaf\x90\xdf\x7f\xe51\x00/n\xb5f\x1a\x8c+\xea<\xe3N@\x9e\xec\xbe{\x90x\xc6\xd7\xeeI\x1d\xcbY\xe1\x01\xd2d\xae\xd1(>\xa3\xa9\x93\x16\xc6G\x94|\x00\x00\x00\x00\x00\x00\x00\x00\x91\x00+/pF\xfa]\xc4\xb3\xfc~\x13\xc3\x8aV\xa5\n\xe9H\xad\xf5\xa7{\x90\b\x9bb\xb8gY\xdb', 0x2761, 0x0) write$cgroup_pid(r0, &(0x7f0000000080), 0xfffffe38) ioctl$TIOCGISO7816(0xffffffffffffffff, 0x80285442, &(0x7f0000000100)) 10:47:24 executing program 1: r0 = perf_event_open(&(0x7f0000940000)={0x2, 0x70, 0xfffffffffffffffd, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}}, 0x0, 0x0, 0xffffffffffffffff, 0x0) mmap(&(0x7f00004da000/0x1000)=nil, 0x1000, 0x0, 0x4000012, r0, 0x0) mincore(&(0x7f00003fa000/0x200000)=nil, 0x2001ba, &(0x7f0000000000)=""/222) 10:47:24 executing program 3: mknod(&(0x7f0000000040)='./bus\x00', 0x2000000000001003, 0x0) r0 = open(&(0x7f0000000100)='./bus\x00', 0x20000000000b04, 0x0) r1 = epoll_create(0x7) epoll_ctl$EPOLL_CTL_ADD(r1, 0x1, r0, &(0x7f00000001c0)) r2 = socket$kcm(0x2b, 0x8000000000001, 0x0) ioctl$PERF_EVENT_IOC_ENABLE(r2, 0x8912, 0x400200) r3 = openat$vcs(0xffffffffffffff9c, &(0x7f0000000000)='/dev/vcs\x00', 0x0, 0x0) r4 = socket$nl_generic(0x10, 0x3, 0x10) poll(&(0x7f0000000040)=[{r3}, {r2}, {r4}], 0x3, 0x6) r5 = socket(0x2000000000000021, 0x2, 0x10000000000002) connect$rxrpc(r5, &(0x7f0000000140)=@in4={0x21, 0x0, 0x2, 0x10, {0x2, 0x0, @rand_addr=0xdd}}, 0x24) sendmmsg(r5, &(0x7f0000005c00)=[{{0x0, 0xfffffffffffffd95, 0x0, 0x0, &(0x7f0000000000)=ANY=[@ANYBLOB="18000800000000001001000001000000ec00000000000000"], 0x18}}], 0x1, 0x0) r6 = socket$inet6(0xa, 0x3, 0x6) mmap(&(0x7f0000ffd000/0x2000)=nil, 0x2000, 0x8, 0x810, r6, 0x0) setsockopt$inet6_IPV6_FLOWLABEL_MGR(r6, 0x29, 0x20, &(0x7f0000000080)={@loopback, 0x800, 0x0, 0x100000003, 0x1, 0x0, 0x0, 0x400000000}, 0x20) setsockopt$inet6_IPV6_FLOWLABEL_MGR(r6, 0x29, 0x20, &(0x7f0000000300)={@mcast2, 0x10000, 0x0, 0x102, 0x8000003}, 0x20) setsockopt$inet6_IPV6_FLOWLABEL_MGR(r6, 0x29, 0x20, &(0x7f0000000040)={@loopback, 0x0, 0x0, 0x1, 0x3}, 0x20) connect$inet6(r6, &(0x7f0000000500)={0xa, 0x0, 0x40f7, @mcast2, 0x7ff}, 0x9) r7 = syz_open_procfs(0x0, &(0x7f0000000600)='net/ip6_flowlabel\x00n\xc01\x14\x894X\xed\xc1\xc9\xd8\xdcK\r\x8d\xae\x98&@\xd0\xe6\xbbQ\xd7\xffYn\x1c\x92\xde\x0e\xaa1\x91\x98\xe9\x1f\nMCi|+\xcdw\xf0\x176Z\xf1`\xac\xf3;\xd6d2\xeb\xe5\f\x0e\x8b\xda\xf7\xfc9\xfe\xff4\xef\'\xa19q\x93\"\x7fG3\xc1E\xe6e6\xc6\xc2u\x11% \xe7+0\x97\x84;\\\xda\xc4\x80\xc3\xb18N\xbfY%\x05\xf8\x85\x89\xfc\xd2\xd7') sendfile(r6, r7, &(0x7f0000000240)=0x202, 0x4000000000dc) r8 = syz_genetlink_get_family_id$nbd(&(0x7f0000000140)='nbd\x00') ioctl$KVM_S390_UCAS_UNMAP(r7, 0x4018ae51, 0x0) sendmsg$NBD_CMD_RECONFIGURE(r7, &(0x7f0000000200)={&(0x7f0000000100)={0x10, 0x0, 0x0, 0x80}, 0xc, &(0x7f00000001c0)={&(0x7f0000000180)={0x1ce, r8, 0xc05, 0x70bd29, 0x25dfdbff}, 0x14}, 0x1, 0x0, 0x0, 0x4}, 0x84) sendmsg$NBD_CMD_STATUS(r5, &(0x7f00000002c0)={&(0x7f0000000180)={0x10, 0x0, 0x0, 0x1000000}, 0xc, &(0x7f0000000280)={&(0x7f00000001c0)={0x28, r8, 0x10, 0x70bd25, 0x25dfdbfb, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x5}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x28}, 0x1, 0x0, 0x0, 0x8b29ba74f3c49941}, 0x4044) r9 = openat$audio(0xffffffffffffff9c, &(0x7f0000003500)='/dev/audio\x00', 0x200000, 0x0) r10 = socket$kcm(0x2b, 0x8000000000001, 0x0) ioctl$PERF_EVENT_IOC_ENABLE(r10, 0x8912, 0x400200) r11 = openat$vcs(0xffffffffffffff9c, &(0x7f0000000000)='/dev/vcs\x00', 0x0, 0x0) r12 = socket$nl_generic(0x10, 0x3, 0x10) poll(&(0x7f0000000040)=[{r11}, {r10}, {r12}], 0x3, 0x6) sendmsg$NBD_CMD_CONNECT(r3, &(0x7f0000003600)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x80}, 0xc, &(0x7f00000035c0)={&(0x7f0000003540)={0x54, r8, 0x300, 0x70bd2b, 0x25dfdbfe, {}, [@NBD_ATTR_SOCKETS={0x2c, 0x7, [{0x8, 0x1, r9}, {0x8, 0x1, r11}, {0x8, 0x1, r0}, {0x8}, {0x8, 0x1, r0}]}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}]}, 0x54}, 0x1, 0x0, 0x0, 0x80000c0}, 0x4000000) 10:47:24 executing program 5: r0 = socket$inet6(0xa, 0x2, 0x0) connect$inet6(r0, &(0x7f0000000200)={0xa, 0x0, 0x0, @empty}, 0x1c) setsockopt$inet6_IPV6_XFRM_POLICY(r0, 0x29, 0x23, &(0x7f00000013c0)={{{@in6=@remote, @in=@empty, 0x0, 0x0, 0x0, 0x0, 0x2}, {}, {}, 0x0, 0x0, 0x1}, {{@in=@multicast2, 0xfffffffd, 0x32}, 0x0, @in6, 0x0, 0x0, 0x0, 0x2, 0x0, 0x7ff}}, 0xe8) connect$inet6(r0, &(0x7f0000000140)={0xa, 0xffffffffffffffff, 0x0, @ipv4={[], [], @dev={0xac, 0x14, 0x14, 0x18}}}, 0x1c) sendmmsg(r0, &(0x7f0000000240), 0x5c3, 0x0) socketpair$unix(0x1, 0x1, 0x0, &(0x7f0000000000)={0xffffffffffffffff, 0xffffffffffffffff}) r2 = dup(r1) ioctl$PERF_EVENT_IOC_ENABLE(r2, 0x8912, 0x400200) r3 = socket$key(0xf, 0x3, 0x2) sendmsg$key(r3, &(0x7f0000000000)={0x40000000, 0x0, &(0x7f0000000040)={&(0x7f0000000240)=ANY=[@ANYBLOB="0207000902000000a8a989000000007ba79554354cdddb4e667263a7192ff58ab16f88b9663da5668b145e6313f3ee41e2f28204de687a25340b61976cae3a9a9e90785afd31885d362411ef23cd8fef4aa6dac6acb5ded04e5435e7a3bfcb79eda4bf258d5e649caab8d914916ee79d501a3aa4f0972e376bb9f94c5268f7ff158864d444d4bf66e8d85cc74a0000000000000000000000781f1a3ea4c057bfc8af28e2b90e1d3dd7fe6e38d2d29be9a5adffffff7f0000"], 0x10}}, 0x0) 10:47:24 executing program 1: r0 = perf_event_open(&(0x7f0000940000)={0x2, 0x70, 0xfffffffffffffffd, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}}, 0x0, 0x0, 0xffffffffffffffff, 0x0) mmap(&(0x7f00004da000/0x1000)=nil, 0x1000, 0x0, 0x4000012, r0, 0x0) mincore(&(0x7f00003fa000/0x200000)=nil, 0x2001bb, &(0x7f0000000000)=""/222) 10:47:24 executing program 2: r0 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f00000000c0)='memory.events\x00', 0x26e1, 0x0) r1 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000040)='cpuacct.usage_percpu_user\x00', 0x7a05, 0x1700) write$cgroup_subtree(r0, &(0x7f0000000600)=ANY=[@ANYPTR64], 0xfe9d) ioctl$FS_IOC_RESVSP(r0, 0x40305828, &(0x7f00000001c0)={0x0, 0x0, 0x0, 0xcf}) ioctl$FS_IOC_RESVSP(r1, 0x40305828, &(0x7f0000000180)={0x0, 0x0, 0xae15, 0xd8a}) ioctl$FS_IOC_SETFLAGS(r1, 0x40086602, &(0x7f0000000080)=0x9) socketpair$unix(0x1, 0x1, 0x0, &(0x7f0000000180)={0xffffffffffffffff, 0xffffffffffffffff}) r3 = dup(r2) ioctl$PERF_EVENT_IOC_ENABLE(r3, 0x8912, 0x400200) fcntl$dupfd(0xffffffffffffffff, 0x0, 0xffffffffffffffff) write$cgroup_pid(r1, &(0x7f0000000000), 0xfffffea6) 10:47:25 executing program 3: mknod(&(0x7f0000000040)='./bus\x00', 0x2000000000001003, 0x0) r0 = open(&(0x7f0000000100)='./bus\x00', 0x20000000000b04, 0x0) r1 = epoll_create(0x7) epoll_ctl$EPOLL_CTL_ADD(r1, 0x1, r0, &(0x7f00000001c0)) r2 = socket$kcm(0x2b, 0x8000000000001, 0x0) ioctl$PERF_EVENT_IOC_ENABLE(r2, 0x8912, 0x400200) r3 = openat$vcs(0xffffffffffffff9c, &(0x7f0000000000)='/dev/vcs\x00', 0x0, 0x0) r4 = socket$nl_generic(0x10, 0x3, 0x10) poll(&(0x7f0000000040)=[{r3}, {r2}, {r4}], 0x3, 0x6) r5 = socket(0x2000000000000021, 0x2, 0x10000000000002) connect$rxrpc(r5, &(0x7f0000000140)=@in4={0x21, 0x0, 0x2, 0x10, {0x2, 0x0, @rand_addr=0xdd}}, 0x24) sendmmsg(r5, &(0x7f0000005c00)=[{{0x0, 0xfffffffffffffd95, 0x0, 0x0, &(0x7f0000000000)=ANY=[@ANYBLOB="18000800000000001001000001000000ec00000000000000"], 0x18}}], 0x1, 0x0) r6 = socket$inet6(0xa, 0x3, 0x6) mmap(&(0x7f0000ffd000/0x2000)=nil, 0x2000, 0x8, 0x810, r6, 0x0) setsockopt$inet6_IPV6_FLOWLABEL_MGR(r6, 0x29, 0x20, &(0x7f0000000080)={@loopback, 0x800, 0x0, 0x100000003, 0x1, 0x0, 0x0, 0x400000000}, 0x20) setsockopt$inet6_IPV6_FLOWLABEL_MGR(r6, 0x29, 0x20, &(0x7f0000000300)={@mcast2, 0x10000, 0x0, 0x102, 0x8000003}, 0x20) setsockopt$inet6_IPV6_FLOWLABEL_MGR(r6, 0x29, 0x20, &(0x7f0000000040)={@loopback, 0x0, 0x0, 0x1, 0x3}, 0x20) connect$inet6(r6, &(0x7f0000000500)={0xa, 0x0, 0x40f7, @mcast2, 0x7ff}, 0x9) r7 = syz_open_procfs(0x0, &(0x7f0000000600)='net/ip6_flowlabel\x00n\xc01\x14\x894X\xed\xc1\xc9\xd8\xdcK\r\x8d\xae\x98&@\xd0\xe6\xbbQ\xd7\xffYn\x1c\x92\xde\x0e\xaa1\x91\x98\xe9\x1f\nMCi|+\xcdw\xf0\x176Z\xf1`\xac\xf3;\xd6d2\xeb\xe5\f\x0e\x8b\xda\xf7\xfc9\xfe\xff4\xef\'\xa19q\x93\"\x7fG3\xc1E\xe6e6\xc6\xc2u\x11% \xe7+0\x97\x84;\\\xda\xc4\x80\xc3\xb18N\xbfY%\x05\xf8\x85\x89\xfc\xd2\xd7') sendfile(r6, r7, &(0x7f0000000240)=0x202, 0x4000000000dc) r8 = syz_genetlink_get_family_id$nbd(&(0x7f0000000140)='nbd\x00') ioctl$KVM_S390_UCAS_UNMAP(r7, 0x4018ae51, 0x0) sendmsg$NBD_CMD_RECONFIGURE(r7, &(0x7f0000000200)={&(0x7f0000000100)={0x10, 0x0, 0x0, 0x80}, 0xc, &(0x7f00000001c0)={&(0x7f0000000180)={0x1ce, r8, 0xc05, 0x70bd29, 0x25dfdbff}, 0x14}, 0x1, 0x0, 0x0, 0x4}, 0x84) sendmsg$NBD_CMD_STATUS(r5, &(0x7f00000002c0)={&(0x7f0000000180)={0x10, 0x0, 0x0, 0x1000000}, 0xc, &(0x7f0000000280)={&(0x7f00000001c0)={0x28, r8, 0x10, 0x70bd25, 0x25dfdbfb, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x5}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x28}, 0x1, 0x0, 0x0, 0x8b29ba74f3c49941}, 0x4044) r9 = openat$audio(0xffffffffffffff9c, &(0x7f0000003500)='/dev/audio\x00', 0x200000, 0x0) r10 = socket$kcm(0x2b, 0x8000000000001, 0x0) ioctl$PERF_EVENT_IOC_ENABLE(r10, 0x8912, 0x400200) r11 = openat$vcs(0xffffffffffffff9c, &(0x7f0000000000)='/dev/vcs\x00', 0x0, 0x0) r12 = socket$nl_generic(0x10, 0x3, 0x10) poll(&(0x7f0000000040)=[{r11}, {r10}, {r12}], 0x3, 0x6) sendmsg$NBD_CMD_CONNECT(r3, &(0x7f0000003600)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x80}, 0xc, &(0x7f00000035c0)={&(0x7f0000003540)={0x54, r8, 0x300, 0x70bd2b, 0x25dfdbfe, {}, [@NBD_ATTR_SOCKETS={0x2c, 0x7, [{0x8, 0x1, r9}, {0x8, 0x1, r11}, {0x8, 0x1, r0}, {0x8}, {0x8, 0x1, r0}]}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}]}, 0x54}, 0x1, 0x0, 0x0, 0x80000c0}, 0x4000000) 10:47:25 executing program 2: r0 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f00000000c0)='memory.events\x00', 0x26e1, 0x0) r1 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000100)='memory.events\x00', 0x7a05, 0x1700) write$cgroup_subtree(r0, &(0x7f0000000600)=ANY=[@ANYPTR64], 0xbcc9) ioctl$FS_IOC_RESVSP(r0, 0x40305828, &(0x7f00000001c0)={0x0, 0x0, 0x0, 0xcf}) ioctl$FS_IOC_RESVSP(r1, 0x40305828, &(0x7f0000000180)={0x0, 0x0, 0xae15, 0xd8a}) setsockopt$inet6_tcp_TCP_FASTOPEN_KEY(r1, 0x6, 0x21, &(0x7f0000000040)="4ee52475f64041d91093ea8f723ccf66", 0x10) ioctl$FS_IOC_SETFLAGS(r1, 0x40086602, &(0x7f0000000080)=0x9) socketpair$unix(0x1, 0x1, 0x0, &(0x7f0000000180)={0xffffffffffffffff, 0xffffffffffffffff}) r3 = dup(r2) r4 = socket$inet6_dccp(0xa, 0x6, 0x0) getsockopt$inet6_int(r4, 0x29, 0x3c, 0x0, &(0x7f00000015c0)) mmap(&(0x7f0000ffe000/0x1000)=nil, 0x1000, 0x8, 0x10, r4, 0x84993000) ioctl$PERF_EVENT_IOC_ENABLE(r3, 0x8912, 0x400200) fcntl$dupfd(0xffffffffffffffff, 0x0, 0xffffffffffffffff) write$cgroup_pid(r1, &(0x7f0000000000), 0xfffffea6) 10:47:25 executing program 1: r0 = perf_event_open(&(0x7f0000940000)={0x2, 0x70, 0xfffffffffffffffd, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}}, 0x0, 0x0, 0xffffffffffffffff, 0x0) mmap(&(0x7f00004da000/0x1000)=nil, 0x1000, 0x0, 0x4000012, r0, 0x0) mincore(&(0x7f00003fa000/0x200000)=nil, 0x2001bc, &(0x7f0000000000)=""/222) 10:47:25 executing program 3: mknod(&(0x7f0000000040)='./bus\x00', 0x2000000000001003, 0x0) r0 = open(&(0x7f0000000100)='./bus\x00', 0x20000000000b04, 0x0) r1 = epoll_create(0x7) epoll_ctl$EPOLL_CTL_ADD(r1, 0x1, r0, &(0x7f00000001c0)) r2 = socket$kcm(0x2b, 0x8000000000001, 0x0) ioctl$PERF_EVENT_IOC_ENABLE(r2, 0x8912, 0x400200) r3 = openat$vcs(0xffffffffffffff9c, &(0x7f0000000000)='/dev/vcs\x00', 0x0, 0x0) r4 = socket$nl_generic(0x10, 0x3, 0x10) poll(&(0x7f0000000040)=[{r3}, {r2}, {r4}], 0x3, 0x6) r5 = socket(0x2000000000000021, 0x2, 0x10000000000002) connect$rxrpc(r5, &(0x7f0000000140)=@in4={0x21, 0x0, 0x2, 0x10, {0x2, 0x0, @rand_addr=0xdd}}, 0x24) sendmmsg(r5, &(0x7f0000005c00)=[{{0x0, 0xfffffffffffffd95, 0x0, 0x0, &(0x7f0000000000)=ANY=[@ANYBLOB="18000800000000001001000001000000ec00000000000000"], 0x18}}], 0x1, 0x0) r6 = socket$inet6(0xa, 0x3, 0x6) mmap(&(0x7f0000ffd000/0x2000)=nil, 0x2000, 0x8, 0x810, r6, 0x0) setsockopt$inet6_IPV6_FLOWLABEL_MGR(r6, 0x29, 0x20, &(0x7f0000000080)={@loopback, 0x800, 0x0, 0x100000003, 0x1, 0x0, 0x0, 0x400000000}, 0x20) setsockopt$inet6_IPV6_FLOWLABEL_MGR(r6, 0x29, 0x20, &(0x7f0000000300)={@mcast2, 0x10000, 0x0, 0x102, 0x8000003}, 0x20) setsockopt$inet6_IPV6_FLOWLABEL_MGR(r6, 0x29, 0x20, &(0x7f0000000040)={@loopback, 0x0, 0x0, 0x1, 0x3}, 0x20) connect$inet6(r6, &(0x7f0000000500)={0xa, 0x0, 0x40f7, @mcast2, 0x7ff}, 0x9) r7 = syz_open_procfs(0x0, &(0x7f0000000600)='net/ip6_flowlabel\x00n\xc01\x14\x894X\xed\xc1\xc9\xd8\xdcK\r\x8d\xae\x98&@\xd0\xe6\xbbQ\xd7\xffYn\x1c\x92\xde\x0e\xaa1\x91\x98\xe9\x1f\nMCi|+\xcdw\xf0\x176Z\xf1`\xac\xf3;\xd6d2\xeb\xe5\f\x0e\x8b\xda\xf7\xfc9\xfe\xff4\xef\'\xa19q\x93\"\x7fG3\xc1E\xe6e6\xc6\xc2u\x11% \xe7+0\x97\x84;\\\xda\xc4\x80\xc3\xb18N\xbfY%\x05\xf8\x85\x89\xfc\xd2\xd7') sendfile(r6, r7, &(0x7f0000000240)=0x202, 0x4000000000dc) r8 = syz_genetlink_get_family_id$nbd(&(0x7f0000000140)='nbd\x00') ioctl$KVM_S390_UCAS_UNMAP(r7, 0x4018ae51, &(0x7f00000000c0)={0x0, 0x7ff, 0x2}) sendmsg$NBD_CMD_RECONFIGURE(r7, &(0x7f0000000200)={&(0x7f0000000100)={0x10, 0x0, 0x0, 0x80}, 0xc, &(0x7f00000001c0)={&(0x7f0000000180)={0x1ce, r8, 0xc05, 0x70bd29, 0x25dfdbff}, 0x14}, 0x1, 0x0, 0x0, 0x4}, 0x84) sendmsg$NBD_CMD_STATUS(r5, &(0x7f00000002c0)={&(0x7f0000000180)={0x10, 0x0, 0x0, 0x1000000}, 0xc, &(0x7f0000000280)={&(0x7f00000001c0)={0x28, r8, 0x10, 0x70bd25, 0x25dfdbfb, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x5}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x28}, 0x1, 0x0, 0x0, 0x8b29ba74f3c49941}, 0x4044) r9 = openat$audio(0xffffffffffffff9c, &(0x7f0000003500)='/dev/audio\x00', 0x200000, 0x0) r10 = socket$kcm(0x2b, 0x8000000000001, 0x0) ioctl$PERF_EVENT_IOC_ENABLE(r10, 0x8912, 0x400200) r11 = openat$vcs(0xffffffffffffff9c, &(0x7f0000000000)='/dev/vcs\x00', 0x0, 0x0) r12 = socket$nl_generic(0x10, 0x3, 0x10) poll(&(0x7f0000000040)=[{r11}, {r10}, {r12}], 0x3, 0x6) sendmsg$NBD_CMD_CONNECT(r3, &(0x7f0000003600)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x80}, 0xc, &(0x7f00000035c0)={&(0x7f0000003540)={0x54, r8, 0x300, 0x70bd2b, 0x25dfdbfe, {}, [@NBD_ATTR_SOCKETS={0x2c, 0x7, [{0x8, 0x1, r9}, {0x8, 0x1, r11}, {0x8, 0x1, r0}, {0x8}, {0x8, 0x1, r0}]}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}]}, 0x54}, 0x1, 0x0, 0x0, 0x80000c0}, 0x4000000) 10:47:25 executing program 5: r0 = syz_open_dev$sndseq(&(0x7f0000000000)='/dev/snd/seq\x00', 0x0, 0x0) ioctl$SNDRV_SEQ_IOCTL_GET_SUBSCRIPTION(r0, 0x40505330, &(0x7f0000000040)) [ 990.859182][ C1] net_ratelimit: 12 callbacks suppressed [ 990.859193][ C1] protocol 88fb is buggy, dev hsr_slave_0 [ 990.870672][ C1] protocol 88fb is buggy, dev hsr_slave_1 10:47:25 executing program 1: r0 = perf_event_open(&(0x7f0000940000)={0x2, 0x70, 0xfffffffffffffffd, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}}, 0x0, 0x0, 0xffffffffffffffff, 0x0) mmap(&(0x7f00004da000/0x1000)=nil, 0x1000, 0x0, 0x4000012, r0, 0x0) mincore(&(0x7f00003fa000/0x200000)=nil, 0x2001bd, &(0x7f0000000000)=""/222) 10:47:25 executing program 5: perf_event_open(&(0x7f0000000280)={0x2, 0x70, 0x0, 0x8001, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext}, 0x0, 0x0, 0xffffffffffffffff, 0x0) socket$packet(0x11, 0x10000000003, 0x300) getsockopt$IP_VS_SO_GET_VERSION(0xffffffffffffffff, 0x0, 0x480, 0x0, 0x0) socket$inet_tcp(0x2, 0x1, 0x0) pipe(&(0x7f0000000700)={0xffffffffffffffff, 0xffffffffffffffff}) write(r1, &(0x7f0000000340), 0x41395527) perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x7f, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x3, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext}, 0x0, 0x0, 0xffffffffffffffff, 0x0) unshare(0x400) clock_gettime(0x0, &(0x7f0000000400)={0x0, 0x0}) pselect6(0x40, &(0x7f00000000c0), 0x0, &(0x7f0000000140)={0x1b7}, &(0x7f0000000200)={0x0, r2+30000000}, 0x0) vmsplice(r0, &(0x7f0000000000)=[{&(0x7f0000000500), 0x3528a9c0}], 0x1, 0x0) 10:47:25 executing program 3: mknod(&(0x7f0000000040)='./bus\x00', 0x2000000000001003, 0x0) r0 = open(&(0x7f0000000100)='./bus\x00', 0x20000000000b04, 0x0) r1 = epoll_create(0x7) epoll_ctl$EPOLL_CTL_ADD(r1, 0x1, r0, &(0x7f00000001c0)) r2 = socket$kcm(0x2b, 0x8000000000001, 0x0) ioctl$PERF_EVENT_IOC_ENABLE(r2, 0x8912, 0x400200) r3 = openat$vcs(0xffffffffffffff9c, &(0x7f0000000000)='/dev/vcs\x00', 0x0, 0x0) r4 = socket$nl_generic(0x10, 0x3, 0x10) poll(&(0x7f0000000040)=[{r3}, {r2}, {r4}], 0x3, 0x6) r5 = socket(0x2000000000000021, 0x2, 0x10000000000002) connect$rxrpc(r5, &(0x7f0000000140)=@in4={0x21, 0x0, 0x2, 0x10, {0x2, 0x0, @rand_addr=0xdd}}, 0x24) sendmmsg(r5, &(0x7f0000005c00)=[{{0x0, 0xfffffffffffffd95, 0x0, 0x0, &(0x7f0000000000)=ANY=[@ANYBLOB="18000800000000001001000001000000ec00000000000000"], 0x18}}], 0x1, 0x0) r6 = socket$inet6(0xa, 0x3, 0x6) mmap(&(0x7f0000ffd000/0x2000)=nil, 0x2000, 0x8, 0x810, r6, 0x0) setsockopt$inet6_IPV6_FLOWLABEL_MGR(r6, 0x29, 0x20, &(0x7f0000000080)={@loopback, 0x800, 0x0, 0x100000003, 0x1, 0x0, 0x0, 0x400000000}, 0x20) setsockopt$inet6_IPV6_FLOWLABEL_MGR(r6, 0x29, 0x20, &(0x7f0000000300)={@mcast2, 0x10000, 0x0, 0x102, 0x8000003}, 0x20) setsockopt$inet6_IPV6_FLOWLABEL_MGR(r6, 0x29, 0x20, &(0x7f0000000040)={@loopback, 0x0, 0x0, 0x1, 0x3}, 0x20) connect$inet6(r6, &(0x7f0000000500)={0xa, 0x0, 0x40f7, @mcast2, 0x7ff}, 0x9) r7 = syz_open_procfs(0x0, &(0x7f0000000600)='net/ip6_flowlabel\x00n\xc01\x14\x894X\xed\xc1\xc9\xd8\xdcK\r\x8d\xae\x98&@\xd0\xe6\xbbQ\xd7\xffYn\x1c\x92\xde\x0e\xaa1\x91\x98\xe9\x1f\nMCi|+\xcdw\xf0\x176Z\xf1`\xac\xf3;\xd6d2\xeb\xe5\f\x0e\x8b\xda\xf7\xfc9\xfe\xff4\xef\'\xa19q\x93\"\x7fG3\xc1E\xe6e6\xc6\xc2u\x11% \xe7+0\x97\x84;\\\xda\xc4\x80\xc3\xb18N\xbfY%\x05\xf8\x85\x89\xfc\xd2\xd7') sendfile(r6, r7, &(0x7f0000000240)=0x202, 0x4000000000dc) r8 = syz_genetlink_get_family_id$nbd(&(0x7f0000000140)='nbd\x00') ioctl$KVM_S390_UCAS_UNMAP(r7, 0x4018ae51, &(0x7f00000000c0)={0x0, 0x7ff, 0x2}) sendmsg$NBD_CMD_RECONFIGURE(r7, &(0x7f0000000200)={&(0x7f0000000100)={0x10, 0x0, 0x0, 0x80}, 0xc, &(0x7f00000001c0)={&(0x7f0000000180)={0x1ce, r8, 0xc05, 0x70bd29, 0x25dfdbff}, 0x14}, 0x1, 0x0, 0x0, 0x4}, 0x84) sendmsg$NBD_CMD_STATUS(r5, &(0x7f00000002c0)={&(0x7f0000000180)={0x10, 0x0, 0x0, 0x1000000}, 0xc, &(0x7f0000000280)={&(0x7f00000001c0)={0x28, r8, 0x10, 0x70bd25, 0x25dfdbfb, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x5}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x28}, 0x1, 0x0, 0x0, 0x8b29ba74f3c49941}, 0x4044) r9 = openat$audio(0xffffffffffffff9c, &(0x7f0000003500)='/dev/audio\x00', 0x200000, 0x0) r10 = socket$kcm(0x2b, 0x8000000000001, 0x0) ioctl$PERF_EVENT_IOC_ENABLE(r10, 0x8912, 0x400200) r11 = openat$vcs(0xffffffffffffff9c, &(0x7f0000000000)='/dev/vcs\x00', 0x0, 0x0) r12 = socket$nl_generic(0x10, 0x3, 0x10) poll(&(0x7f0000000040)=[{r11}, {r10}, {r12}], 0x3, 0x6) sendmsg$NBD_CMD_CONNECT(r3, &(0x7f0000003600)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x80}, 0xc, &(0x7f00000035c0)={&(0x7f0000003540)={0x54, r8, 0x300, 0x70bd2b, 0x25dfdbfe, {}, [@NBD_ATTR_SOCKETS={0x2c, 0x7, [{0x8, 0x1, r9}, {0x8, 0x1, r11}, {0x8, 0x1, r0}, {0x8}, {0x8, 0x1, r0}]}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}]}, 0x54}, 0x1, 0x0, 0x0, 0x80000c0}, 0x4000000) 10:47:25 executing program 1: r0 = perf_event_open(&(0x7f0000940000)={0x2, 0x70, 0xfffffffffffffffd, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}}, 0x0, 0x0, 0xffffffffffffffff, 0x0) mmap(&(0x7f00004da000/0x1000)=nil, 0x1000, 0x0, 0x4000012, r0, 0x0) mincore(&(0x7f00003fa000/0x200000)=nil, 0x2001be, &(0x7f0000000000)=""/222) 10:47:25 executing program 2: r0 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f00000000c0)='memory.events\x00', 0x26e1, 0x0) r1 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000100)='memory.events\x00', 0x7a05, 0x1700) write$cgroup_subtree(r0, &(0x7f0000000600)=ANY=[@ANYPTR64], 0xfe9d) ioctl$FS_IOC_RESVSP(r0, 0x40305828, &(0x7f00000001c0)={0x0, 0x0, 0x0, 0xcf}) ioctl$FS_IOC_RESVSP(r1, 0x40305828, &(0x7f0000000180)={0x0, 0x0, 0xae15, 0xd8a}) r2 = socket$inet6_dccp(0xa, 0x6, 0x0) getsockopt$inet6_int(r2, 0x29, 0x3c, 0x0, &(0x7f00000015c0)) ioctl$FS_IOC_SETFLAGS(r0, 0x40086602, &(0x7f0000000080)=0x80000001) socketpair$unix(0x1, 0x1, 0x0, &(0x7f0000000180)={0xffffffffffffffff, 0xffffffffffffffff}) setsockopt$inet_sctp6_SCTP_EVENTS(r1, 0x84, 0xb, &(0x7f0000000040)={0x2d, 0x0, 0x1, 0x7, 0xc, 0x3f, 0x4, 0x9, 0x1f, 0x6, 0x1}, 0xb) r4 = dup(r3) ioctl$PERF_EVENT_IOC_ENABLE(r4, 0x8912, 0x400200) fcntl$dupfd(0xffffffffffffffff, 0x0, 0xffffffffffffffff) 10:47:26 executing program 2: r0 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f00000000c0)='memory.events\x00', 0x26e1, 0x0) r1 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000100)='memory.events\x00', 0x7a05, 0x1700) write$cgroup_subtree(r0, &(0x7f0000000600)=ANY=[@ANYPTR64], 0xfe9d) ioctl$FS_IOC_RESVSP(r0, 0x40305828, &(0x7f00000001c0)={0x0, 0x0, 0x0, 0xcf}) ioctl$FS_IOC_RESVSP(r1, 0x40305828, &(0x7f0000000180)={0x0, 0x0, 0xae15, 0xd8a}) ioctl$FS_IOC_SETFLAGS(r1, 0x40086602, &(0x7f0000000080)=0x9) socketpair$unix(0x1, 0x1, 0x0, &(0x7f0000000180)={0xffffffffffffffff, 0xffffffffffffffff}) r3 = dup(r2) ioctl$PERF_EVENT_IOC_ENABLE(r3, 0x8912, 0x400200) fcntl$dupfd(0xffffffffffffffff, 0x0, 0xffffffffffffffff) getsockopt$inet_IP_XFRM_POLICY(0xffffffffffffffff, 0x0, 0x11, &(0x7f0000000200)={{{@in6=@initdev, @in6=@remote}}, {{@in6=@loopback}}}, &(0x7f0000000040)=0xe8) write$cgroup_pid(r1, &(0x7f0000000000), 0xfffffea6) r4 = syz_open_dev$audion(&(0x7f0000000140)='/dev/audio#\x00', 0x9, 0x0) ioctl$VFIO_IOMMU_GET_INFO(r4, 0x3b70, &(0x7f0000000300)={0x10}) 10:47:26 executing program 3: mknod(&(0x7f0000000040)='./bus\x00', 0x2000000000001003, 0x0) r0 = open(&(0x7f0000000100)='./bus\x00', 0x20000000000b04, 0x0) r1 = epoll_create(0x7) epoll_ctl$EPOLL_CTL_ADD(r1, 0x1, r0, &(0x7f00000001c0)) r2 = socket$kcm(0x2b, 0x8000000000001, 0x0) ioctl$PERF_EVENT_IOC_ENABLE(r2, 0x8912, 0x400200) r3 = openat$vcs(0xffffffffffffff9c, &(0x7f0000000000)='/dev/vcs\x00', 0x0, 0x0) r4 = socket$nl_generic(0x10, 0x3, 0x10) poll(&(0x7f0000000040)=[{r3}, {r2}, {r4}], 0x3, 0x6) r5 = socket(0x2000000000000021, 0x2, 0x10000000000002) connect$rxrpc(r5, &(0x7f0000000140)=@in4={0x21, 0x0, 0x2, 0x10, {0x2, 0x0, @rand_addr=0xdd}}, 0x24) sendmmsg(r5, &(0x7f0000005c00)=[{{0x0, 0xfffffffffffffd95, 0x0, 0x0, &(0x7f0000000000)=ANY=[@ANYBLOB="18000800000000001001000001000000ec00000000000000"], 0x18}}], 0x1, 0x0) r6 = socket$inet6(0xa, 0x3, 0x6) mmap(&(0x7f0000ffd000/0x2000)=nil, 0x2000, 0x8, 0x810, r6, 0x0) setsockopt$inet6_IPV6_FLOWLABEL_MGR(r6, 0x29, 0x20, &(0x7f0000000080)={@loopback, 0x800, 0x0, 0x100000003, 0x1, 0x0, 0x0, 0x400000000}, 0x20) setsockopt$inet6_IPV6_FLOWLABEL_MGR(r6, 0x29, 0x20, &(0x7f0000000300)={@mcast2, 0x10000, 0x0, 0x102, 0x8000003}, 0x20) setsockopt$inet6_IPV6_FLOWLABEL_MGR(r6, 0x29, 0x20, &(0x7f0000000040)={@loopback, 0x0, 0x0, 0x1, 0x3}, 0x20) connect$inet6(r6, &(0x7f0000000500)={0xa, 0x0, 0x40f7, @mcast2, 0x7ff}, 0x9) r7 = syz_open_procfs(0x0, &(0x7f0000000600)='net/ip6_flowlabel\x00n\xc01\x14\x894X\xed\xc1\xc9\xd8\xdcK\r\x8d\xae\x98&@\xd0\xe6\xbbQ\xd7\xffYn\x1c\x92\xde\x0e\xaa1\x91\x98\xe9\x1f\nMCi|+\xcdw\xf0\x176Z\xf1`\xac\xf3;\xd6d2\xeb\xe5\f\x0e\x8b\xda\xf7\xfc9\xfe\xff4\xef\'\xa19q\x93\"\x7fG3\xc1E\xe6e6\xc6\xc2u\x11% \xe7+0\x97\x84;\\\xda\xc4\x80\xc3\xb18N\xbfY%\x05\xf8\x85\x89\xfc\xd2\xd7') sendfile(r6, r7, &(0x7f0000000240)=0x202, 0x4000000000dc) r8 = syz_genetlink_get_family_id$nbd(&(0x7f0000000140)='nbd\x00') ioctl$KVM_S390_UCAS_UNMAP(r7, 0x4018ae51, &(0x7f00000000c0)={0x0, 0x7ff, 0x2}) sendmsg$NBD_CMD_RECONFIGURE(r7, &(0x7f0000000200)={&(0x7f0000000100)={0x10, 0x0, 0x0, 0x80}, 0xc, &(0x7f00000001c0)={&(0x7f0000000180)={0x1ce, r8, 0xc05, 0x70bd29, 0x25dfdbff}, 0x14}, 0x1, 0x0, 0x0, 0x4}, 0x84) sendmsg$NBD_CMD_STATUS(r5, &(0x7f00000002c0)={&(0x7f0000000180)={0x10, 0x0, 0x0, 0x1000000}, 0xc, &(0x7f0000000280)={&(0x7f00000001c0)={0x28, r8, 0x10, 0x70bd25, 0x25dfdbfb, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x5}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x28}, 0x1, 0x0, 0x0, 0x8b29ba74f3c49941}, 0x4044) r9 = openat$audio(0xffffffffffffff9c, &(0x7f0000003500)='/dev/audio\x00', 0x200000, 0x0) r10 = socket$kcm(0x2b, 0x8000000000001, 0x0) ioctl$PERF_EVENT_IOC_ENABLE(r10, 0x8912, 0x400200) r11 = openat$vcs(0xffffffffffffff9c, &(0x7f0000000000)='/dev/vcs\x00', 0x0, 0x0) r12 = socket$nl_generic(0x10, 0x3, 0x10) poll(&(0x7f0000000040)=[{r11}, {r10}, {r12}], 0x3, 0x6) sendmsg$NBD_CMD_CONNECT(r3, &(0x7f0000003600)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x80}, 0xc, &(0x7f00000035c0)={&(0x7f0000003540)={0x54, r8, 0x300, 0x70bd2b, 0x25dfdbfe, {}, [@NBD_ATTR_SOCKETS={0x2c, 0x7, [{0x8, 0x1, r9}, {0x8, 0x1, r11}, {0x8, 0x1, r0}, {0x8}, {0x8, 0x1, r0}]}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}]}, 0x54}, 0x1, 0x0, 0x0, 0x80000c0}, 0x4000000) 10:47:26 executing program 1: r0 = perf_event_open(&(0x7f0000940000)={0x2, 0x70, 0xfffffffffffffffd, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}}, 0x0, 0x0, 0xffffffffffffffff, 0x0) mmap(&(0x7f00004da000/0x1000)=nil, 0x1000, 0x0, 0x4000012, r0, 0x0) mincore(&(0x7f00003fa000/0x200000)=nil, 0x2001bf, &(0x7f0000000000)=""/222) 10:47:26 executing program 2: r0 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f00000000c0)='memory.events\x00', 0x26e1, 0x0) r1 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000100)='memory.events\x00', 0x7a05, 0x1700) write$cgroup_subtree(r0, &(0x7f0000000600)=ANY=[@ANYPTR64], 0xfe9d) ioctl$FS_IOC_RESVSP(r0, 0x40305828, &(0x7f00000001c0)={0x0, 0x0, 0x0, 0xcf}) ioctl$FS_IOC_RESVSP(r1, 0x40305828, &(0x7f0000000180)={0x0, 0x0, 0xae15, 0xd8a}) ioctl$FS_IOC_SETFLAGS(r1, 0x40086602, &(0x7f0000000080)=0x9) socketpair$unix(0x1, 0x1, 0x0, &(0x7f0000000180)={0xffffffffffffffff, 0xffffffffffffffff}) r3 = socket$kcm(0x2b, 0x8000000000001, 0x0) ioctl$PERF_EVENT_IOC_ENABLE(r3, 0x8912, 0x400200) r4 = openat$vcs(0xffffffffffffff9c, &(0x7f0000000000)='/dev/vcs\x00', 0x0, 0x0) r5 = socket$nl_generic(0x10, 0x3, 0x10) poll(&(0x7f0000000040)=[{r4}, {r3}, {r5}], 0x3, 0x6) ioctl$UI_DEV_CREATE(r4, 0x5501) r6 = dup(r2) ioctl$PERF_EVENT_IOC_ENABLE(r6, 0x8912, 0x400200) fcntl$dupfd(0xffffffffffffffff, 0x0, 0xffffffffffffffff) write$cgroup_pid(r1, &(0x7f0000000000), 0xfffffea6) ioctl$SNDRV_CTL_IOCTL_RAWMIDI_PREFER_SUBDEVICE(r0, 0x40045542, &(0x7f0000000040)=0x1) [ 991.739219][ C0] protocol 88fb is buggy, dev hsr_slave_0 [ 991.745037][ C0] protocol 88fb is buggy, dev hsr_slave_1 10:47:26 executing program 3: mknod(&(0x7f0000000040)='./bus\x00', 0x2000000000001003, 0x0) r0 = open(&(0x7f0000000100)='./bus\x00', 0x20000000000b04, 0x0) r1 = epoll_create(0x7) epoll_ctl$EPOLL_CTL_ADD(r1, 0x1, r0, &(0x7f00000001c0)) r2 = socket$kcm(0x2b, 0x8000000000001, 0x0) ioctl$PERF_EVENT_IOC_ENABLE(r2, 0x8912, 0x400200) r3 = openat$vcs(0xffffffffffffff9c, &(0x7f0000000000)='/dev/vcs\x00', 0x0, 0x0) r4 = socket$nl_generic(0x10, 0x3, 0x10) poll(&(0x7f0000000040)=[{r3}, {r2}, {r4}], 0x3, 0x6) r5 = socket(0x2000000000000021, 0x2, 0x10000000000002) connect$rxrpc(r5, &(0x7f0000000140)=@in4={0x21, 0x0, 0x2, 0x10, {0x2, 0x0, @rand_addr=0xdd}}, 0x24) sendmmsg(r5, &(0x7f0000005c00)=[{{0x0, 0xfffffffffffffd95, 0x0, 0x0, &(0x7f0000000000)=ANY=[@ANYBLOB="18000800000000001001000001000000ec00000000000000"], 0x18}}], 0x1, 0x0) r6 = socket$inet6(0xa, 0x3, 0x6) mmap(&(0x7f0000ffd000/0x2000)=nil, 0x2000, 0x8, 0x810, r6, 0x0) setsockopt$inet6_IPV6_FLOWLABEL_MGR(r6, 0x29, 0x20, &(0x7f0000000080)={@loopback, 0x800, 0x0, 0x100000003, 0x1, 0x0, 0x0, 0x400000000}, 0x20) setsockopt$inet6_IPV6_FLOWLABEL_MGR(r6, 0x29, 0x20, &(0x7f0000000300)={@mcast2, 0x10000, 0x0, 0x102, 0x8000003}, 0x20) setsockopt$inet6_IPV6_FLOWLABEL_MGR(r6, 0x29, 0x20, &(0x7f0000000040)={@loopback, 0x0, 0x0, 0x1, 0x3}, 0x20) connect$inet6(r6, &(0x7f0000000500)={0xa, 0x0, 0x40f7, @mcast2, 0x7ff}, 0x9) r7 = syz_open_procfs(0x0, &(0x7f0000000600)='net/ip6_flowlabel\x00n\xc01\x14\x894X\xed\xc1\xc9\xd8\xdcK\r\x8d\xae\x98&@\xd0\xe6\xbbQ\xd7\xffYn\x1c\x92\xde\x0e\xaa1\x91\x98\xe9\x1f\nMCi|+\xcdw\xf0\x176Z\xf1`\xac\xf3;\xd6d2\xeb\xe5\f\x0e\x8b\xda\xf7\xfc9\xfe\xff4\xef\'\xa19q\x93\"\x7fG3\xc1E\xe6e6\xc6\xc2u\x11% \xe7+0\x97\x84;\\\xda\xc4\x80\xc3\xb18N\xbfY%\x05\xf8\x85\x89\xfc\xd2\xd7') sendfile(r6, r7, &(0x7f0000000240)=0x202, 0x4000000000dc) r8 = syz_genetlink_get_family_id$nbd(&(0x7f0000000140)='nbd\x00') ioctl$KVM_S390_UCAS_UNMAP(r7, 0x4018ae51, &(0x7f00000000c0)={0x8000, 0x0, 0x2}) sendmsg$NBD_CMD_RECONFIGURE(r7, &(0x7f0000000200)={&(0x7f0000000100)={0x10, 0x0, 0x0, 0x80}, 0xc, &(0x7f00000001c0)={&(0x7f0000000180)={0x1ce, r8, 0xc05, 0x70bd29, 0x25dfdbff}, 0x14}, 0x1, 0x0, 0x0, 0x4}, 0x84) sendmsg$NBD_CMD_STATUS(r5, &(0x7f00000002c0)={&(0x7f0000000180)={0x10, 0x0, 0x0, 0x1000000}, 0xc, &(0x7f0000000280)={&(0x7f00000001c0)={0x28, r8, 0x10, 0x70bd25, 0x25dfdbfb, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x5}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x28}, 0x1, 0x0, 0x0, 0x8b29ba74f3c49941}, 0x4044) r9 = openat$audio(0xffffffffffffff9c, &(0x7f0000003500)='/dev/audio\x00', 0x200000, 0x0) r10 = socket$kcm(0x2b, 0x8000000000001, 0x0) ioctl$PERF_EVENT_IOC_ENABLE(r10, 0x8912, 0x400200) r11 = openat$vcs(0xffffffffffffff9c, &(0x7f0000000000)='/dev/vcs\x00', 0x0, 0x0) r12 = socket$nl_generic(0x10, 0x3, 0x10) poll(&(0x7f0000000040)=[{r11}, {r10}, {r12}], 0x3, 0x6) sendmsg$NBD_CMD_CONNECT(r3, &(0x7f0000003600)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x80}, 0xc, &(0x7f00000035c0)={&(0x7f0000003540)={0x54, r8, 0x300, 0x70bd2b, 0x25dfdbfe, {}, [@NBD_ATTR_SOCKETS={0x2c, 0x7, [{0x8, 0x1, r9}, {0x8, 0x1, r11}, {0x8, 0x1, r0}, {0x8}, {0x8, 0x1, r0}]}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}]}, 0x54}, 0x1, 0x0, 0x0, 0x80000c0}, 0x4000000) 10:47:26 executing program 1: r0 = perf_event_open(&(0x7f0000940000)={0x2, 0x70, 0xfffffffffffffffd, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}}, 0x0, 0x0, 0xffffffffffffffff, 0x0) mmap(&(0x7f00004da000/0x1000)=nil, 0x1000, 0x0, 0x4000012, r0, 0x0) mincore(&(0x7f00003fa000/0x200000)=nil, 0x2001c0, &(0x7f0000000000)=""/222) 10:47:26 executing program 2: r0 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f00000000c0)='memory.events\x00', 0x26e1, 0x0) r1 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000100)='memory.events\x00', 0x7a05, 0x1700) write$cgroup_subtree(r0, &(0x7f0000000600)=ANY=[@ANYPTR64], 0xfe9d) write$P9_RFLUSH(0xffffffffffffffff, &(0x7f0000000040)={0x7, 0x6d, 0x1}, 0x7) ioctl$FS_IOC_RESVSP(r0, 0x40305828, &(0x7f00000001c0)={0x0, 0x0, 0x0, 0xcf}) ioctl$FS_IOC_RESVSP(r1, 0x40305828, &(0x7f0000000180)={0x0, 0x0, 0xae15, 0xd8a}) ioctl$FS_IOC_SETFLAGS(r1, 0x40086602, &(0x7f0000000080)=0x1) socketpair$unix(0x1, 0x1, 0x0, &(0x7f0000000180)={0xffffffffffffffff, 0xffffffffffffffff}) r3 = dup(r2) ioctl$PERF_EVENT_IOC_ENABLE(r3, 0x8912, 0x400200) r4 = openat$null(0xffffffffffffff9c, &(0x7f0000000140)='/dev/null\x00', 0x40, 0x0) fcntl$dupfd(r4, 0x0, 0xffffffffffffffff) write$cgroup_pid(r1, &(0x7f0000000000), 0xfffffea6) 10:47:26 executing program 5: perf_event_open(&(0x7f0000000280)={0x2, 0x70, 0x0, 0x8001, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext}, 0x0, 0x0, 0xffffffffffffffff, 0x0) socket$packet(0x11, 0x10000000003, 0x300) getsockopt$IP_VS_SO_GET_VERSION(0xffffffffffffffff, 0x0, 0x480, 0x0, 0x0) socket$inet_tcp(0x2, 0x1, 0x0) pipe(&(0x7f0000000700)={0xffffffffffffffff, 0xffffffffffffffff}) write(r1, &(0x7f0000000340), 0x41395527) perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x7f, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x3, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext}, 0x0, 0x0, 0xffffffffffffffff, 0x0) unshare(0x400) clock_gettime(0x0, &(0x7f0000000400)={0x0, 0x0}) pselect6(0x40, &(0x7f00000000c0), 0x0, &(0x7f0000000140)={0x1b7}, &(0x7f0000000200)={0x0, r2+30000000}, 0x0) vmsplice(r0, &(0x7f0000000000)=[{&(0x7f0000000500), 0x3528a9c0}], 0x1, 0x0) [ 992.219204][ C1] protocol 88fb is buggy, dev hsr_slave_0 [ 992.224996][ C1] protocol 88fb is buggy, dev hsr_slave_1 10:47:26 executing program 3: mknod(&(0x7f0000000040)='./bus\x00', 0x2000000000001003, 0x0) r0 = open(&(0x7f0000000100)='./bus\x00', 0x20000000000b04, 0x0) r1 = epoll_create(0x7) epoll_ctl$EPOLL_CTL_ADD(r1, 0x1, r0, &(0x7f00000001c0)) r2 = socket$kcm(0x2b, 0x8000000000001, 0x0) ioctl$PERF_EVENT_IOC_ENABLE(r2, 0x8912, 0x400200) r3 = openat$vcs(0xffffffffffffff9c, &(0x7f0000000000)='/dev/vcs\x00', 0x0, 0x0) r4 = socket$nl_generic(0x10, 0x3, 0x10) poll(&(0x7f0000000040)=[{r3}, {r2}, {r4}], 0x3, 0x6) r5 = socket(0x2000000000000021, 0x2, 0x10000000000002) connect$rxrpc(r5, &(0x7f0000000140)=@in4={0x21, 0x0, 0x2, 0x10, {0x2, 0x0, @rand_addr=0xdd}}, 0x24) sendmmsg(r5, &(0x7f0000005c00)=[{{0x0, 0xfffffffffffffd95, 0x0, 0x0, &(0x7f0000000000)=ANY=[@ANYBLOB="18000800000000001001000001000000ec00000000000000"], 0x18}}], 0x1, 0x0) r6 = socket$inet6(0xa, 0x3, 0x6) mmap(&(0x7f0000ffd000/0x2000)=nil, 0x2000, 0x8, 0x810, r6, 0x0) setsockopt$inet6_IPV6_FLOWLABEL_MGR(r6, 0x29, 0x20, &(0x7f0000000080)={@loopback, 0x800, 0x0, 0x100000003, 0x1, 0x0, 0x0, 0x400000000}, 0x20) setsockopt$inet6_IPV6_FLOWLABEL_MGR(r6, 0x29, 0x20, &(0x7f0000000300)={@mcast2, 0x10000, 0x0, 0x102, 0x8000003}, 0x20) setsockopt$inet6_IPV6_FLOWLABEL_MGR(r6, 0x29, 0x20, &(0x7f0000000040)={@loopback, 0x0, 0x0, 0x1, 0x3}, 0x20) connect$inet6(r6, &(0x7f0000000500)={0xa, 0x0, 0x40f7, @mcast2, 0x7ff}, 0x9) r7 = syz_open_procfs(0x0, &(0x7f0000000600)='net/ip6_flowlabel\x00n\xc01\x14\x894X\xed\xc1\xc9\xd8\xdcK\r\x8d\xae\x98&@\xd0\xe6\xbbQ\xd7\xffYn\x1c\x92\xde\x0e\xaa1\x91\x98\xe9\x1f\nMCi|+\xcdw\xf0\x176Z\xf1`\xac\xf3;\xd6d2\xeb\xe5\f\x0e\x8b\xda\xf7\xfc9\xfe\xff4\xef\'\xa19q\x93\"\x7fG3\xc1E\xe6e6\xc6\xc2u\x11% \xe7+0\x97\x84;\\\xda\xc4\x80\xc3\xb18N\xbfY%\x05\xf8\x85\x89\xfc\xd2\xd7') sendfile(r6, r7, &(0x7f0000000240)=0x202, 0x4000000000dc) r8 = syz_genetlink_get_family_id$nbd(&(0x7f0000000140)='nbd\x00') ioctl$KVM_S390_UCAS_UNMAP(r7, 0x4018ae51, &(0x7f00000000c0)={0x8000, 0x0, 0x2}) sendmsg$NBD_CMD_RECONFIGURE(r7, &(0x7f0000000200)={&(0x7f0000000100)={0x10, 0x0, 0x0, 0x80}, 0xc, &(0x7f00000001c0)={&(0x7f0000000180)={0x1ce, r8, 0xc05, 0x70bd29, 0x25dfdbff}, 0x14}, 0x1, 0x0, 0x0, 0x4}, 0x84) sendmsg$NBD_CMD_STATUS(r5, &(0x7f00000002c0)={&(0x7f0000000180)={0x10, 0x0, 0x0, 0x1000000}, 0xc, &(0x7f0000000280)={&(0x7f00000001c0)={0x28, r8, 0x10, 0x70bd25, 0x25dfdbfb, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x5}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x28}, 0x1, 0x0, 0x0, 0x8b29ba74f3c49941}, 0x4044) r9 = openat$audio(0xffffffffffffff9c, &(0x7f0000003500)='/dev/audio\x00', 0x200000, 0x0) r10 = socket$kcm(0x2b, 0x8000000000001, 0x0) ioctl$PERF_EVENT_IOC_ENABLE(r10, 0x8912, 0x400200) r11 = openat$vcs(0xffffffffffffff9c, &(0x7f0000000000)='/dev/vcs\x00', 0x0, 0x0) r12 = socket$nl_generic(0x10, 0x3, 0x10) poll(&(0x7f0000000040)=[{r11}, {r10}, {r12}], 0x3, 0x6) sendmsg$NBD_CMD_CONNECT(r3, &(0x7f0000003600)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x80}, 0xc, &(0x7f00000035c0)={&(0x7f0000003540)={0x54, r8, 0x300, 0x70bd2b, 0x25dfdbfe, {}, [@NBD_ATTR_SOCKETS={0x2c, 0x7, [{0x8, 0x1, r9}, {0x8, 0x1, r11}, {0x8, 0x1, r0}, {0x8}, {0x8, 0x1, r0}]}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}]}, 0x54}, 0x1, 0x0, 0x0, 0x80000c0}, 0x4000000) 10:47:26 executing program 1: r0 = perf_event_open(&(0x7f0000940000)={0x2, 0x70, 0xfffffffffffffffd, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}}, 0x0, 0x0, 0xffffffffffffffff, 0x0) mmap(&(0x7f00004da000/0x1000)=nil, 0x1000, 0x0, 0x4000012, r0, 0x0) mincore(&(0x7f00003fa000/0x200000)=nil, 0x2001c1, &(0x7f0000000000)=""/222) 10:47:27 executing program 3: mknod(&(0x7f0000000040)='./bus\x00', 0x2000000000001003, 0x0) r0 = open(&(0x7f0000000100)='./bus\x00', 0x20000000000b04, 0x0) r1 = epoll_create(0x7) epoll_ctl$EPOLL_CTL_ADD(r1, 0x1, r0, &(0x7f00000001c0)) r2 = socket$kcm(0x2b, 0x8000000000001, 0x0) ioctl$PERF_EVENT_IOC_ENABLE(r2, 0x8912, 0x400200) r3 = openat$vcs(0xffffffffffffff9c, &(0x7f0000000000)='/dev/vcs\x00', 0x0, 0x0) r4 = socket$nl_generic(0x10, 0x3, 0x10) poll(&(0x7f0000000040)=[{r3}, {r2}, {r4}], 0x3, 0x6) r5 = socket(0x2000000000000021, 0x2, 0x10000000000002) connect$rxrpc(r5, &(0x7f0000000140)=@in4={0x21, 0x0, 0x2, 0x10, {0x2, 0x0, @rand_addr=0xdd}}, 0x24) sendmmsg(r5, &(0x7f0000005c00)=[{{0x0, 0xfffffffffffffd95, 0x0, 0x0, &(0x7f0000000000)=ANY=[@ANYBLOB="18000800000000001001000001000000ec00000000000000"], 0x18}}], 0x1, 0x0) r6 = socket$inet6(0xa, 0x3, 0x6) mmap(&(0x7f0000ffd000/0x2000)=nil, 0x2000, 0x8, 0x810, r6, 0x0) setsockopt$inet6_IPV6_FLOWLABEL_MGR(r6, 0x29, 0x20, &(0x7f0000000080)={@loopback, 0x800, 0x0, 0x100000003, 0x1, 0x0, 0x0, 0x400000000}, 0x20) setsockopt$inet6_IPV6_FLOWLABEL_MGR(r6, 0x29, 0x20, &(0x7f0000000300)={@mcast2, 0x10000, 0x0, 0x102, 0x8000003}, 0x20) setsockopt$inet6_IPV6_FLOWLABEL_MGR(r6, 0x29, 0x20, &(0x7f0000000040)={@loopback, 0x0, 0x0, 0x1, 0x3}, 0x20) connect$inet6(r6, &(0x7f0000000500)={0xa, 0x0, 0x40f7, @mcast2, 0x7ff}, 0x9) r7 = syz_open_procfs(0x0, &(0x7f0000000600)='net/ip6_flowlabel\x00n\xc01\x14\x894X\xed\xc1\xc9\xd8\xdcK\r\x8d\xae\x98&@\xd0\xe6\xbbQ\xd7\xffYn\x1c\x92\xde\x0e\xaa1\x91\x98\xe9\x1f\nMCi|+\xcdw\xf0\x176Z\xf1`\xac\xf3;\xd6d2\xeb\xe5\f\x0e\x8b\xda\xf7\xfc9\xfe\xff4\xef\'\xa19q\x93\"\x7fG3\xc1E\xe6e6\xc6\xc2u\x11% \xe7+0\x97\x84;\\\xda\xc4\x80\xc3\xb18N\xbfY%\x05\xf8\x85\x89\xfc\xd2\xd7') sendfile(r6, r7, &(0x7f0000000240)=0x202, 0x4000000000dc) r8 = syz_genetlink_get_family_id$nbd(&(0x7f0000000140)='nbd\x00') ioctl$KVM_S390_UCAS_UNMAP(r7, 0x4018ae51, &(0x7f00000000c0)={0x8000, 0x0, 0x2}) sendmsg$NBD_CMD_RECONFIGURE(r7, &(0x7f0000000200)={&(0x7f0000000100)={0x10, 0x0, 0x0, 0x80}, 0xc, &(0x7f00000001c0)={&(0x7f0000000180)={0x1ce, r8, 0xc05, 0x70bd29, 0x25dfdbff}, 0x14}, 0x1, 0x0, 0x0, 0x4}, 0x84) sendmsg$NBD_CMD_STATUS(r5, &(0x7f00000002c0)={&(0x7f0000000180)={0x10, 0x0, 0x0, 0x1000000}, 0xc, &(0x7f0000000280)={&(0x7f00000001c0)={0x28, r8, 0x10, 0x70bd25, 0x25dfdbfb, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x5}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x28}, 0x1, 0x0, 0x0, 0x8b29ba74f3c49941}, 0x4044) r9 = openat$audio(0xffffffffffffff9c, &(0x7f0000003500)='/dev/audio\x00', 0x200000, 0x0) r10 = socket$kcm(0x2b, 0x8000000000001, 0x0) ioctl$PERF_EVENT_IOC_ENABLE(r10, 0x8912, 0x400200) r11 = openat$vcs(0xffffffffffffff9c, &(0x7f0000000000)='/dev/vcs\x00', 0x0, 0x0) r12 = socket$nl_generic(0x10, 0x3, 0x10) poll(&(0x7f0000000040)=[{r11}, {r10}, {r12}], 0x3, 0x6) sendmsg$NBD_CMD_CONNECT(r3, &(0x7f0000003600)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x80}, 0xc, &(0x7f00000035c0)={&(0x7f0000003540)={0x54, r8, 0x300, 0x70bd2b, 0x25dfdbfe, {}, [@NBD_ATTR_SOCKETS={0x2c, 0x7, [{0x8, 0x1, r9}, {0x8, 0x1, r11}, {0x8, 0x1, r0}, {0x8}, {0x8, 0x1, r0}]}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}]}, 0x54}, 0x1, 0x0, 0x0, 0x80000c0}, 0x4000000) [ 992.549178][ C1] protocol 88fb is buggy, dev hsr_slave_0 [ 992.554992][ C1] protocol 88fb is buggy, dev hsr_slave_1 10:47:27 executing program 1: r0 = perf_event_open(&(0x7f0000940000)={0x2, 0x70, 0xfffffffffffffffd, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}}, 0x0, 0x0, 0xffffffffffffffff, 0x0) mmap(&(0x7f00004da000/0x1000)=nil, 0x1000, 0x0, 0x4000012, r0, 0x0) mincore(&(0x7f00003fa000/0x200000)=nil, 0x2001c2, &(0x7f0000000000)=""/222) 10:47:27 executing program 2: r0 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f00000000c0)='memory.events\x00', 0x26e1, 0x0) r1 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000100)='memory.events\x00', 0x7a05, 0x1700) write$cgroup_subtree(r0, &(0x7f0000000600)=ANY=[], 0x0) ioctl$FS_IOC_RESVSP(r0, 0x40305828, &(0x7f00000001c0)={0x0, 0x0, 0x0, 0xcf}) ioctl$FS_IOC_RESVSP(r1, 0x40305828, &(0x7f0000000180)={0x0, 0x0, 0xae15, 0xd8a}) ioctl$FS_IOC_SETFLAGS(r1, 0x40086602, &(0x7f0000000080)=0x9) socketpair$unix(0x1, 0x1, 0x0, &(0x7f0000000180)={0xffffffffffffffff, 0xffffffffffffffff}) r3 = dup(r2) ioctl$PERF_EVENT_IOC_ENABLE(r3, 0x8912, 0x400200) fcntl$dupfd(0xffffffffffffffff, 0x0, 0xffffffffffffffff) r4 = socket$inet6_dccp(0xa, 0x6, 0x0) getsockopt$inet6_int(r4, 0x29, 0x3c, 0x0, &(0x7f00000015c0)) write$binfmt_aout(r4, &(0x7f0000000200)=ANY=[@ANYBLOB="07017f086803000048010000000000002e010000050000000000000000000000241ad6d9abcf8a27357b3be104c01cf9eadb5b27f103eaaf47fbf4337715de6497c16cb3d2417c0e7e0e7c186f176f00aa777d47f894ee09e1ad285c7186e7c63c1a741d79a6b24b2c3a75d6143ff66014a056ae21d4ca8166f08111097cd9fc7e05786e3792f448763a7f55998cf6ae781ba1e6e7743400eac8de3129959f9f"], 0xa0) write$cgroup_pid(r1, &(0x7f0000000000), 0xfffffea6) 10:47:27 executing program 1: r0 = perf_event_open(&(0x7f0000940000)={0x2, 0x70, 0xfffffffffffffffd, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}}, 0x0, 0x0, 0xffffffffffffffff, 0x0) mmap(&(0x7f00004da000/0x1000)=nil, 0x1000, 0x0, 0x4000012, r0, 0x0) mincore(&(0x7f00003fa000/0x200000)=nil, 0x2001c3, &(0x7f0000000000)=""/222) 10:47:27 executing program 3: mknod(&(0x7f0000000040)='./bus\x00', 0x2000000000001003, 0x0) r0 = open(&(0x7f0000000100)='./bus\x00', 0x20000000000b04, 0x0) r1 = epoll_create(0x7) epoll_ctl$EPOLL_CTL_ADD(r1, 0x1, r0, &(0x7f00000001c0)) r2 = socket$kcm(0x2b, 0x8000000000001, 0x0) ioctl$PERF_EVENT_IOC_ENABLE(r2, 0x8912, 0x400200) r3 = openat$vcs(0xffffffffffffff9c, &(0x7f0000000000)='/dev/vcs\x00', 0x0, 0x0) r4 = socket$nl_generic(0x10, 0x3, 0x10) poll(&(0x7f0000000040)=[{r3}, {r2}, {r4}], 0x3, 0x6) r5 = socket(0x2000000000000021, 0x2, 0x10000000000002) connect$rxrpc(r5, &(0x7f0000000140)=@in4={0x21, 0x0, 0x2, 0x10, {0x2, 0x0, @rand_addr=0xdd}}, 0x24) sendmmsg(r5, &(0x7f0000005c00)=[{{0x0, 0xfffffffffffffd95, 0x0, 0x0, &(0x7f0000000000)=ANY=[@ANYBLOB="18000800000000001001000001000000ec00000000000000"], 0x18}}], 0x1, 0x0) r6 = socket$inet6(0xa, 0x3, 0x6) mmap(&(0x7f0000ffd000/0x2000)=nil, 0x2000, 0x8, 0x810, r6, 0x0) setsockopt$inet6_IPV6_FLOWLABEL_MGR(r6, 0x29, 0x20, &(0x7f0000000080)={@loopback, 0x800, 0x0, 0x100000003, 0x1, 0x0, 0x0, 0x400000000}, 0x20) setsockopt$inet6_IPV6_FLOWLABEL_MGR(r6, 0x29, 0x20, &(0x7f0000000300)={@mcast2, 0x10000, 0x0, 0x102, 0x8000003}, 0x20) setsockopt$inet6_IPV6_FLOWLABEL_MGR(r6, 0x29, 0x20, &(0x7f0000000040)={@loopback, 0x0, 0x0, 0x1, 0x3}, 0x20) connect$inet6(r6, &(0x7f0000000500)={0xa, 0x0, 0x40f7, @mcast2, 0x7ff}, 0x9) r7 = syz_open_procfs(0x0, &(0x7f0000000600)='net/ip6_flowlabel\x00n\xc01\x14\x894X\xed\xc1\xc9\xd8\xdcK\r\x8d\xae\x98&@\xd0\xe6\xbbQ\xd7\xffYn\x1c\x92\xde\x0e\xaa1\x91\x98\xe9\x1f\nMCi|+\xcdw\xf0\x176Z\xf1`\xac\xf3;\xd6d2\xeb\xe5\f\x0e\x8b\xda\xf7\xfc9\xfe\xff4\xef\'\xa19q\x93\"\x7fG3\xc1E\xe6e6\xc6\xc2u\x11% \xe7+0\x97\x84;\\\xda\xc4\x80\xc3\xb18N\xbfY%\x05\xf8\x85\x89\xfc\xd2\xd7') sendfile(r6, r7, &(0x7f0000000240)=0x202, 0x4000000000dc) r8 = syz_genetlink_get_family_id$nbd(&(0x7f0000000140)='nbd\x00') ioctl$KVM_S390_UCAS_UNMAP(r7, 0x4018ae51, &(0x7f00000000c0)={0x8000, 0x7ff}) sendmsg$NBD_CMD_RECONFIGURE(r7, &(0x7f0000000200)={&(0x7f0000000100)={0x10, 0x0, 0x0, 0x80}, 0xc, &(0x7f00000001c0)={&(0x7f0000000180)={0x1ce, r8, 0xc05, 0x70bd29, 0x25dfdbff}, 0x14}, 0x1, 0x0, 0x0, 0x4}, 0x84) sendmsg$NBD_CMD_STATUS(r5, &(0x7f00000002c0)={&(0x7f0000000180)={0x10, 0x0, 0x0, 0x1000000}, 0xc, &(0x7f0000000280)={&(0x7f00000001c0)={0x28, r8, 0x10, 0x70bd25, 0x25dfdbfb, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x5}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x28}, 0x1, 0x0, 0x0, 0x8b29ba74f3c49941}, 0x4044) r9 = openat$audio(0xffffffffffffff9c, &(0x7f0000003500)='/dev/audio\x00', 0x200000, 0x0) r10 = socket$kcm(0x2b, 0x8000000000001, 0x0) ioctl$PERF_EVENT_IOC_ENABLE(r10, 0x8912, 0x400200) r11 = openat$vcs(0xffffffffffffff9c, &(0x7f0000000000)='/dev/vcs\x00', 0x0, 0x0) r12 = socket$nl_generic(0x10, 0x3, 0x10) poll(&(0x7f0000000040)=[{r11}, {r10}, {r12}], 0x3, 0x6) sendmsg$NBD_CMD_CONNECT(r3, &(0x7f0000003600)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x80}, 0xc, &(0x7f00000035c0)={&(0x7f0000003540)={0x54, r8, 0x300, 0x70bd2b, 0x25dfdbfe, {}, [@NBD_ATTR_SOCKETS={0x2c, 0x7, [{0x8, 0x1, r9}, {0x8, 0x1, r11}, {0x8, 0x1, r0}, {0x8}, {0x8, 0x1, r0}]}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}]}, 0x54}, 0x1, 0x0, 0x0, 0x80000c0}, 0x4000000) [ 992.949189][ C1] protocol 88fb is buggy, dev hsr_slave_0 [ 992.955014][ C1] protocol 88fb is buggy, dev hsr_slave_1 10:47:27 executing program 2: r0 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f00000000c0)='memory.events\x00', 0x26e1, 0x0) r1 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000100)='memory.events\x00', 0x7a05, 0x1700) write$cgroup_subtree(r0, &(0x7f0000000600)=ANY=[@ANYPTR64], 0xfe9d) ioctl$FS_IOC_RESVSP(r0, 0x40305828, &(0x7f00000001c0)={0x0, 0x0, 0x0, 0xcf}) ioctl$TCFLSH(r0, 0x540b, 0x1f) ioctl$FS_IOC_RESVSP(r1, 0x40305828, &(0x7f0000000180)={0x0, 0x0, 0xae15, 0xd8a}) ioctl$FS_IOC_SETFLAGS(r1, 0x40086602, &(0x7f0000000080)=0x9) syz_init_net_socket$rose(0xb, 0x5, 0x0) socketpair$unix(0x1, 0x1, 0x0, &(0x7f0000000180)={0xffffffffffffffff, 0xffffffffffffffff}) r3 = dup(r2) r4 = socket$kcm(0x2b, 0x8000000000001, 0x0) ioctl$PERF_EVENT_IOC_ENABLE(r4, 0x8912, 0x400200) r5 = openat$vcs(0xffffffffffffff9c, &(0x7f0000000000)='/dev/vcs\x00', 0x0, 0x0) r6 = socket$nl_generic(0x10, 0x3, 0x10) poll(&(0x7f0000000040)=[{r5}, {r4}, {r6}], 0x3, 0x6) syz_open_dev$adsp(&(0x7f0000000500)='/dev/adsp#\x00', 0xf99c, 0x521000) bpf$BPF_PROG_TEST_RUN(0xa, &(0x7f0000000040)={r5, 0x0, 0x1000, 0x80, &(0x7f0000000640)="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", &(0x7f0000000200)=""/128, 0xea, 0x0, 0xde, 0xaf, &(0x7f0000000280)="7e1980a10c6accd1d5b49835f60e0067428e506d6b1eac0cdfa1ac3c261ff51ecc494b7bd0c5349e08472741b2468c8d65138a7b2deaaba1e4098491fa076180d606ee5a32bfc3c0b0dee834cb823e41daf77818356949723857161e2f056903d938674ddcee679c3e340ad0a3a34475d466d3e7e87ddb331e87f71cd54961ed2e791e967b2a5ed106605ec037c086bb285d59b38deb3ea2630a55a52bbc9029956292e33c11f2d34f6d90827d82ef7950de2b82ecae19e4f710222c133b768f23d179db4ba56584591c928d27576bc455322e776d62fa222639995907f4", &(0x7f0000000380)="9e0d0708292313a5cccf1583fa9a38cacdcf7bdb2e024722692dca8c4f4e940986264193ca60c06c8fbc06bea9e725fa083b7e4b200d4873a191fa0d52910af7d0da4198ee2c4e168ffc24f357fd5a1a1e8207330307c6869eed03e77a686f8d3bfa224ca5b817bd3573d03c3ddcb40845f5e8b3d847181197afe8fa227629b8c876ca75441fdd425ee2a431aac702557450dee7f089de2bbec2795ac25e35b76878ce65d56bc1497f7c88a227c4c4"}, 0x40) ioctl$BLKIOOPT(r1, 0x1279, &(0x7f0000000140)) ioctl$PERF_EVENT_IOC_ENABLE(r3, 0x8912, 0x400200) r7 = fcntl$dupfd(0xffffffffffffffff, 0x0, 0xffffffffffffffff) write$cgroup_pid(r1, &(0x7f0000000000), 0xfffffea6) write$RDMA_USER_CM_CMD_CREATE_ID(r0, &(0x7f0000000480)={0x0, 0x18, 0xfa00, {0x1, &(0x7f0000000440)={0xffffffffffffffff}, 0x13f, 0x8}}, 0x20) write$RDMA_USER_CM_CMD_BIND_IP(r7, &(0x7f00000004c0)={0x2, 0x28, 0xfa00, {0x0, {0xa, 0x4e23, 0x3f, @initdev={0xfe, 0x88, [], 0x0, 0x0}, 0x1}, r8}}, 0x30) 10:47:27 executing program 1: r0 = perf_event_open(&(0x7f0000940000)={0x2, 0x70, 0xfffffffffffffffd, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}}, 0x0, 0x0, 0xffffffffffffffff, 0x0) mmap(&(0x7f00004da000/0x1000)=nil, 0x1000, 0x0, 0x4000012, r0, 0x0) mincore(&(0x7f00003fa000/0x200000)=nil, 0x2001c4, &(0x7f0000000000)=""/222) 10:47:27 executing program 2: r0 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f00000000c0)='memory.events\x00', 0x26e1, 0x0) r1 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000100)='memory.events\x00', 0x7a05, 0x1700) write$cgroup_subtree(r0, &(0x7f0000000600)=ANY=[@ANYPTR64], 0xfe9d) ioctl$FS_IOC_RESVSP(r0, 0x40305828, &(0x7f00000001c0)={0x0, 0x3, 0x6, 0xcf}) ioctl$FS_IOC_RESVSP(r1, 0x40305828, &(0x7f0000000180)={0x0, 0x0, 0xae15, 0xd8a}) ioctl$FS_IOC_SETFLAGS(r1, 0x40086602, &(0x7f0000000080)=0x9) socketpair$unix(0x1, 0x1, 0x0, &(0x7f0000000180)={0xffffffffffffffff, 0xffffffffffffffff}) r3 = dup(r2) ioctl$PERF_EVENT_IOC_ENABLE(r3, 0x8912, 0x400200) fcntl$dupfd(0xffffffffffffffff, 0x0, 0xffffffffffffffff) write$cgroup_pid(r1, &(0x7f0000000000), 0xfffffea6) 10:47:27 executing program 5: r0 = syz_open_dev$sndseq(&(0x7f0000000000)='/dev/snd/seq\x00', 0x0, 0x0) ioctl$SNDRV_SEQ_IOCTL_GET_SUBSCRIPTION(r0, 0xc0505350, &(0x7f0000000040)={{0xbf}}) 10:47:27 executing program 3: mknod(&(0x7f0000000040)='./bus\x00', 0x2000000000001003, 0x0) r0 = open(&(0x7f0000000100)='./bus\x00', 0x20000000000b04, 0x0) r1 = epoll_create(0x7) epoll_ctl$EPOLL_CTL_ADD(r1, 0x1, r0, &(0x7f00000001c0)) r2 = socket$kcm(0x2b, 0x8000000000001, 0x0) ioctl$PERF_EVENT_IOC_ENABLE(r2, 0x8912, 0x400200) r3 = openat$vcs(0xffffffffffffff9c, &(0x7f0000000000)='/dev/vcs\x00', 0x0, 0x0) r4 = socket$nl_generic(0x10, 0x3, 0x10) poll(&(0x7f0000000040)=[{r3}, {r2}, {r4}], 0x3, 0x6) r5 = socket(0x2000000000000021, 0x2, 0x10000000000002) connect$rxrpc(r5, &(0x7f0000000140)=@in4={0x21, 0x0, 0x2, 0x10, {0x2, 0x0, @rand_addr=0xdd}}, 0x24) sendmmsg(r5, &(0x7f0000005c00)=[{{0x0, 0xfffffffffffffd95, 0x0, 0x0, &(0x7f0000000000)=ANY=[@ANYBLOB="18000800000000001001000001000000ec00000000000000"], 0x18}}], 0x1, 0x0) r6 = socket$inet6(0xa, 0x3, 0x6) mmap(&(0x7f0000ffd000/0x2000)=nil, 0x2000, 0x8, 0x810, r6, 0x0) setsockopt$inet6_IPV6_FLOWLABEL_MGR(r6, 0x29, 0x20, &(0x7f0000000080)={@loopback, 0x800, 0x0, 0x100000003, 0x1, 0x0, 0x0, 0x400000000}, 0x20) setsockopt$inet6_IPV6_FLOWLABEL_MGR(r6, 0x29, 0x20, &(0x7f0000000300)={@mcast2, 0x10000, 0x0, 0x102, 0x8000003}, 0x20) setsockopt$inet6_IPV6_FLOWLABEL_MGR(r6, 0x29, 0x20, &(0x7f0000000040)={@loopback, 0x0, 0x0, 0x1, 0x3}, 0x20) connect$inet6(r6, &(0x7f0000000500)={0xa, 0x0, 0x40f7, @mcast2, 0x7ff}, 0x9) r7 = syz_open_procfs(0x0, &(0x7f0000000600)='net/ip6_flowlabel\x00n\xc01\x14\x894X\xed\xc1\xc9\xd8\xdcK\r\x8d\xae\x98&@\xd0\xe6\xbbQ\xd7\xffYn\x1c\x92\xde\x0e\xaa1\x91\x98\xe9\x1f\nMCi|+\xcdw\xf0\x176Z\xf1`\xac\xf3;\xd6d2\xeb\xe5\f\x0e\x8b\xda\xf7\xfc9\xfe\xff4\xef\'\xa19q\x93\"\x7fG3\xc1E\xe6e6\xc6\xc2u\x11% \xe7+0\x97\x84;\\\xda\xc4\x80\xc3\xb18N\xbfY%\x05\xf8\x85\x89\xfc\xd2\xd7') sendfile(r6, r7, &(0x7f0000000240)=0x202, 0x4000000000dc) r8 = syz_genetlink_get_family_id$nbd(&(0x7f0000000140)='nbd\x00') ioctl$KVM_S390_UCAS_UNMAP(r7, 0x4018ae51, &(0x7f00000000c0)={0x8000, 0x7ff}) sendmsg$NBD_CMD_RECONFIGURE(r7, &(0x7f0000000200)={&(0x7f0000000100)={0x10, 0x0, 0x0, 0x80}, 0xc, &(0x7f00000001c0)={&(0x7f0000000180)={0x1ce, r8, 0xc05, 0x70bd29, 0x25dfdbff}, 0x14}, 0x1, 0x0, 0x0, 0x4}, 0x84) sendmsg$NBD_CMD_STATUS(r5, &(0x7f00000002c0)={&(0x7f0000000180)={0x10, 0x0, 0x0, 0x1000000}, 0xc, &(0x7f0000000280)={&(0x7f00000001c0)={0x28, r8, 0x10, 0x70bd25, 0x25dfdbfb, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x5}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x28}, 0x1, 0x0, 0x0, 0x8b29ba74f3c49941}, 0x4044) r9 = openat$audio(0xffffffffffffff9c, &(0x7f0000003500)='/dev/audio\x00', 0x200000, 0x0) r10 = socket$kcm(0x2b, 0x8000000000001, 0x0) ioctl$PERF_EVENT_IOC_ENABLE(r10, 0x8912, 0x400200) r11 = openat$vcs(0xffffffffffffff9c, &(0x7f0000000000)='/dev/vcs\x00', 0x0, 0x0) r12 = socket$nl_generic(0x10, 0x3, 0x10) poll(&(0x7f0000000040)=[{r11}, {r10}, {r12}], 0x3, 0x6) sendmsg$NBD_CMD_CONNECT(r3, &(0x7f0000003600)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x80}, 0xc, &(0x7f00000035c0)={&(0x7f0000003540)={0x54, r8, 0x300, 0x70bd2b, 0x25dfdbfe, {}, [@NBD_ATTR_SOCKETS={0x2c, 0x7, [{0x8, 0x1, r9}, {0x8, 0x1, r11}, {0x8, 0x1, r0}, {0x8}, {0x8, 0x1, r0}]}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}]}, 0x54}, 0x1, 0x0, 0x0, 0x80000c0}, 0x4000000) 10:47:27 executing program 5: socketpair$unix(0x1, 0x1, 0x0, &(0x7f0000000440)={0xffffffffffffffff, 0xffffffffffffffff}) r1 = dup(r0) ioctl$PERF_EVENT_IOC_ENABLE(r1, 0x8912, 0x400200) syz_mount_image$iso9660(&(0x7f0000000040)='iso9660\x00', &(0x7f00000001c0)='./file0\x00', 0x0, 0x0, 0x0, 0x0, &(0x7f0000000240)={[{@gid={'gid'}}]}) 10:47:27 executing program 1: r0 = perf_event_open(&(0x7f0000940000)={0x2, 0x70, 0xfffffffffffffffd, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}}, 0x0, 0x0, 0xffffffffffffffff, 0x0) mmap(&(0x7f00004da000/0x1000)=nil, 0x1000, 0x0, 0x4000012, r0, 0x0) mincore(&(0x7f00003fa000/0x200000)=nil, 0x2001c5, &(0x7f0000000000)=""/222) [ 993.613715][T17003] ISOFS: Unable to identify CD-ROM format. 10:47:28 executing program 3: mknod(&(0x7f0000000040)='./bus\x00', 0x2000000000001003, 0x0) r0 = open(&(0x7f0000000100)='./bus\x00', 0x20000000000b04, 0x0) r1 = epoll_create(0x7) epoll_ctl$EPOLL_CTL_ADD(r1, 0x1, r0, &(0x7f00000001c0)) r2 = socket$kcm(0x2b, 0x8000000000001, 0x0) ioctl$PERF_EVENT_IOC_ENABLE(r2, 0x8912, 0x400200) r3 = openat$vcs(0xffffffffffffff9c, &(0x7f0000000000)='/dev/vcs\x00', 0x0, 0x0) r4 = socket$nl_generic(0x10, 0x3, 0x10) poll(&(0x7f0000000040)=[{r3}, {r2}, {r4}], 0x3, 0x6) r5 = socket(0x2000000000000021, 0x2, 0x10000000000002) connect$rxrpc(r5, &(0x7f0000000140)=@in4={0x21, 0x0, 0x2, 0x10, {0x2, 0x0, @rand_addr=0xdd}}, 0x24) sendmmsg(r5, &(0x7f0000005c00)=[{{0x0, 0xfffffffffffffd95, 0x0, 0x0, &(0x7f0000000000)=ANY=[@ANYBLOB="18000800000000001001000001000000ec00000000000000"], 0x18}}], 0x1, 0x0) r6 = socket$inet6(0xa, 0x3, 0x6) mmap(&(0x7f0000ffd000/0x2000)=nil, 0x2000, 0x8, 0x810, r6, 0x0) setsockopt$inet6_IPV6_FLOWLABEL_MGR(r6, 0x29, 0x20, &(0x7f0000000080)={@loopback, 0x800, 0x0, 0x100000003, 0x1, 0x0, 0x0, 0x400000000}, 0x20) setsockopt$inet6_IPV6_FLOWLABEL_MGR(r6, 0x29, 0x20, &(0x7f0000000300)={@mcast2, 0x10000, 0x0, 0x102, 0x8000003}, 0x20) setsockopt$inet6_IPV6_FLOWLABEL_MGR(r6, 0x29, 0x20, &(0x7f0000000040)={@loopback, 0x0, 0x0, 0x1, 0x3}, 0x20) connect$inet6(r6, &(0x7f0000000500)={0xa, 0x0, 0x40f7, @mcast2, 0x7ff}, 0x9) r7 = syz_open_procfs(0x0, &(0x7f0000000600)='net/ip6_flowlabel\x00n\xc01\x14\x894X\xed\xc1\xc9\xd8\xdcK\r\x8d\xae\x98&@\xd0\xe6\xbbQ\xd7\xffYn\x1c\x92\xde\x0e\xaa1\x91\x98\xe9\x1f\nMCi|+\xcdw\xf0\x176Z\xf1`\xac\xf3;\xd6d2\xeb\xe5\f\x0e\x8b\xda\xf7\xfc9\xfe\xff4\xef\'\xa19q\x93\"\x7fG3\xc1E\xe6e6\xc6\xc2u\x11% \xe7+0\x97\x84;\\\xda\xc4\x80\xc3\xb18N\xbfY%\x05\xf8\x85\x89\xfc\xd2\xd7') sendfile(r6, r7, &(0x7f0000000240)=0x202, 0x4000000000dc) r8 = syz_genetlink_get_family_id$nbd(&(0x7f0000000140)='nbd\x00') ioctl$KVM_S390_UCAS_UNMAP(r7, 0x4018ae51, &(0x7f00000000c0)={0x8000, 0x7ff}) sendmsg$NBD_CMD_RECONFIGURE(r7, &(0x7f0000000200)={&(0x7f0000000100)={0x10, 0x0, 0x0, 0x80}, 0xc, &(0x7f00000001c0)={&(0x7f0000000180)={0x1ce, r8, 0xc05, 0x70bd29, 0x25dfdbff}, 0x14}, 0x1, 0x0, 0x0, 0x4}, 0x84) sendmsg$NBD_CMD_STATUS(r5, &(0x7f00000002c0)={&(0x7f0000000180)={0x10, 0x0, 0x0, 0x1000000}, 0xc, &(0x7f0000000280)={&(0x7f00000001c0)={0x28, r8, 0x10, 0x70bd25, 0x25dfdbfb, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x5}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x28}, 0x1, 0x0, 0x0, 0x8b29ba74f3c49941}, 0x4044) r9 = openat$audio(0xffffffffffffff9c, &(0x7f0000003500)='/dev/audio\x00', 0x200000, 0x0) r10 = socket$kcm(0x2b, 0x8000000000001, 0x0) ioctl$PERF_EVENT_IOC_ENABLE(r10, 0x8912, 0x400200) r11 = openat$vcs(0xffffffffffffff9c, &(0x7f0000000000)='/dev/vcs\x00', 0x0, 0x0) r12 = socket$nl_generic(0x10, 0x3, 0x10) poll(&(0x7f0000000040)=[{r11}, {r10}, {r12}], 0x3, 0x6) sendmsg$NBD_CMD_CONNECT(r3, &(0x7f0000003600)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x80}, 0xc, &(0x7f00000035c0)={&(0x7f0000003540)={0x54, r8, 0x300, 0x70bd2b, 0x25dfdbfe, {}, [@NBD_ATTR_SOCKETS={0x2c, 0x7, [{0x8, 0x1, r9}, {0x8, 0x1, r11}, {0x8, 0x1, r0}, {0x8}, {0x8, 0x1, r0}]}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}]}, 0x54}, 0x1, 0x0, 0x0, 0x80000c0}, 0x4000000) 10:47:28 executing program 1: r0 = perf_event_open(&(0x7f0000940000)={0x2, 0x70, 0xfffffffffffffffd, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}}, 0x0, 0x0, 0xffffffffffffffff, 0x0) mmap(&(0x7f00004da000/0x1000)=nil, 0x1000, 0x0, 0x4000012, r0, 0x0) mincore(&(0x7f00003fa000/0x200000)=nil, 0x2001c6, &(0x7f0000000000)=""/222) 10:47:28 executing program 5: socketpair$unix(0x1, 0x1, 0x0, &(0x7f0000000440)={0xffffffffffffffff, 0xffffffffffffffff}) r1 = dup(r0) ioctl$PERF_EVENT_IOC_ENABLE(r1, 0x8912, 0x400200) syz_mount_image$iso9660(&(0x7f0000000040)='iso9660\x00', &(0x7f00000001c0)='./file0\x00', 0x0, 0x0, 0x0, 0x0, &(0x7f0000000240)={[{@gid={'gid'}}]}) 10:47:28 executing program 2: r0 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f00000000c0)='memory.events\x00', 0x26e1, 0x0) r1 = socket$inet_udplite(0x2, 0x2, 0x88) getsockopt$sock_cred(r1, 0x1, 0x11, &(0x7f0000000240)={0x0, 0x0}, &(0x7f0000000280)=0x5) setuid(r2) setfsuid(r2) r3 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000100)='memory.events\x00', 0x7a05, 0x1700) write$cgroup_subtree(r0, &(0x7f0000000600)=ANY=[@ANYPTR64], 0xfe9d) r4 = getpid() sched_setattr(r4, &(0x7f0000000040)={0x30, 0x2, 0x0, 0x0, 0x8}, 0x0) ptrace$peek(0xffffffffffffffff, r4, &(0x7f00000002c0)) ioctl$FS_IOC_RESVSP(r0, 0x40305828, &(0x7f00000001c0)={0x0, 0x0, 0x0, 0xcf}) ioctl$FS_IOC_RESVSP(r3, 0x40305828, &(0x7f0000000180)={0x0, 0x0, 0xae15, 0xd8a}) ioctl$FS_IOC_SETFLAGS(r3, 0x40086602, &(0x7f0000000080)=0x9) ioctl$KDSETMODE(0xffffffffffffffff, 0x4b3a, 0x3f) socketpair$unix(0x1, 0x1, 0x0, &(0x7f0000000180)={0xffffffffffffffff, 0xffffffffffffffff}) r6 = dup(r5) ioctl$PERF_EVENT_IOC_ENABLE(r6, 0x8912, 0x400200) fcntl$dupfd(0xffffffffffffffff, 0x0, 0xffffffffffffffff) write$cgroup_pid(r3, &(0x7f0000000000), 0xfffffea6) r7 = openat$ipvs(0xffffffffffffff9c, &(0x7f0000000040)='/proc/sys/net/ipv4/vs/expire_quiescent_template\x00', 0x2, 0x0) getsockopt$TIPC_SOCK_RECVQ_DEPTH(r7, 0x10f, 0x84, &(0x7f0000000140), &(0x7f0000000200)=0x4) 10:47:28 executing program 3: mknod(&(0x7f0000000040)='./bus\x00', 0x2000000000001003, 0x0) r0 = open(&(0x7f0000000100)='./bus\x00', 0x20000000000b04, 0x0) r1 = epoll_create(0x7) epoll_ctl$EPOLL_CTL_ADD(r1, 0x1, r0, &(0x7f00000001c0)) r2 = socket$kcm(0x2b, 0x8000000000001, 0x0) ioctl$PERF_EVENT_IOC_ENABLE(r2, 0x8912, 0x400200) r3 = openat$vcs(0xffffffffffffff9c, &(0x7f0000000000)='/dev/vcs\x00', 0x0, 0x0) r4 = socket$nl_generic(0x10, 0x3, 0x10) poll(&(0x7f0000000040)=[{r3}, {r2}, {r4}], 0x3, 0x6) r5 = socket(0x2000000000000021, 0x2, 0x10000000000002) connect$rxrpc(r5, &(0x7f0000000140)=@in4={0x21, 0x0, 0x2, 0x10, {0x2, 0x0, @rand_addr=0xdd}}, 0x24) sendmmsg(r5, &(0x7f0000005c00)=[{{0x0, 0xfffffffffffffd95, 0x0, 0x0, &(0x7f0000000000)=ANY=[@ANYBLOB="18000800000000001001000001000000ec00000000000000"], 0x18}}], 0x1, 0x0) r6 = socket$inet6(0xa, 0x3, 0x6) mmap(&(0x7f0000ffd000/0x2000)=nil, 0x2000, 0x8, 0x810, r6, 0x0) setsockopt$inet6_IPV6_FLOWLABEL_MGR(r6, 0x29, 0x20, &(0x7f0000000080)={@loopback, 0x800, 0x0, 0x100000003, 0x1, 0x0, 0x0, 0x400000000}, 0x20) setsockopt$inet6_IPV6_FLOWLABEL_MGR(r6, 0x29, 0x20, &(0x7f0000000300)={@mcast2, 0x10000, 0x0, 0x102, 0x8000003}, 0x20) setsockopt$inet6_IPV6_FLOWLABEL_MGR(r6, 0x29, 0x20, &(0x7f0000000040)={@loopback, 0x0, 0x0, 0x1, 0x3}, 0x20) connect$inet6(r6, &(0x7f0000000500)={0xa, 0x0, 0x40f7, @mcast2, 0x7ff}, 0x9) r7 = syz_open_procfs(0x0, &(0x7f0000000600)='net/ip6_flowlabel\x00n\xc01\x14\x894X\xed\xc1\xc9\xd8\xdcK\r\x8d\xae\x98&@\xd0\xe6\xbbQ\xd7\xffYn\x1c\x92\xde\x0e\xaa1\x91\x98\xe9\x1f\nMCi|+\xcdw\xf0\x176Z\xf1`\xac\xf3;\xd6d2\xeb\xe5\f\x0e\x8b\xda\xf7\xfc9\xfe\xff4\xef\'\xa19q\x93\"\x7fG3\xc1E\xe6e6\xc6\xc2u\x11% \xe7+0\x97\x84;\\\xda\xc4\x80\xc3\xb18N\xbfY%\x05\xf8\x85\x89\xfc\xd2\xd7') sendfile(r6, r7, &(0x7f0000000240)=0x202, 0x4000000000dc) r8 = syz_genetlink_get_family_id$nbd(&(0x7f0000000140)='nbd\x00') ioctl$KVM_S390_UCAS_UNMAP(r7, 0x4018ae51, &(0x7f00000000c0)={0x8000, 0x7ff, 0x2}) sendmsg$NBD_CMD_RECONFIGURE(0xffffffffffffffff, &(0x7f0000000200)={&(0x7f0000000100)={0x10, 0x0, 0x0, 0x80}, 0xc, &(0x7f00000001c0)={&(0x7f0000000180)={0x1ce, r8, 0xc05, 0x70bd29, 0x25dfdbff}, 0x14}, 0x1, 0x0, 0x0, 0x4}, 0x84) sendmsg$NBD_CMD_STATUS(r5, &(0x7f00000002c0)={&(0x7f0000000180)={0x10, 0x0, 0x0, 0x1000000}, 0xc, &(0x7f0000000280)={&(0x7f00000001c0)={0x28, r8, 0x10, 0x70bd25, 0x25dfdbfb, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x5}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x28}, 0x1, 0x0, 0x0, 0x8b29ba74f3c49941}, 0x4044) r9 = openat$audio(0xffffffffffffff9c, &(0x7f0000003500)='/dev/audio\x00', 0x200000, 0x0) r10 = socket$kcm(0x2b, 0x8000000000001, 0x0) ioctl$PERF_EVENT_IOC_ENABLE(r10, 0x8912, 0x400200) r11 = openat$vcs(0xffffffffffffff9c, &(0x7f0000000000)='/dev/vcs\x00', 0x0, 0x0) r12 = socket$nl_generic(0x10, 0x3, 0x10) poll(&(0x7f0000000040)=[{r11}, {r10}, {r12}], 0x3, 0x6) sendmsg$NBD_CMD_CONNECT(r3, &(0x7f0000003600)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x80}, 0xc, &(0x7f00000035c0)={&(0x7f0000003540)={0x54, r8, 0x300, 0x70bd2b, 0x25dfdbfe, {}, [@NBD_ATTR_SOCKETS={0x2c, 0x7, [{0x8, 0x1, r9}, {0x8, 0x1, r11}, {0x8, 0x1, r0}, {0x8}, {0x8, 0x1, r0}]}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}]}, 0x54}, 0x1, 0x0, 0x0, 0x80000c0}, 0x4000000) 10:47:28 executing program 2: r0 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f00000000c0)='memory.events\x00', 0x26e1, 0x0) r1 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000100)='memory.events\x00', 0x7a05, 0x1700) write$cgroup_subtree(r0, &(0x7f0000000600)=ANY=[@ANYPTR64], 0xfe9d) ioctl$FS_IOC_RESVSP(r0, 0x40305828, &(0x7f00000001c0)={0x0, 0x0, 0x0, 0xcf}) ioctl$FS_IOC_RESVSP(r1, 0x40305828, &(0x7f0000000180)={0x0, 0x0, 0xae15, 0xd8a}) ioctl$FS_IOC_SETFLAGS(r1, 0x40086602, &(0x7f0000000080)=0x9) socketpair$unix(0x1, 0x1, 0x0, &(0x7f0000000180)={0xffffffffffffffff, 0xffffffffffffffff}) r3 = dup(r2) ioctl$PERF_EVENT_IOC_ENABLE(r3, 0x8912, 0x400200) fcntl$dupfd(0xffffffffffffffff, 0x0, 0xffffffffffffffff) r4 = socket$inet6_dccp(0xa, 0x6, 0x0) getsockopt$inet6_int(r4, 0x29, 0x3c, 0x0, &(0x7f00000015c0)) sendmsg$inet(r4, &(0x7f00000005c0)={&(0x7f0000000040)={0x2, 0x4e22, @loopback}, 0x10, &(0x7f0000000540)=[{&(0x7f0000000200)="71cd887e7a56d55c39e596f47abc6dc011415a71b7536e28ed1530408248335f1128d3b5d8b917334e6f34b8d77aa1c94d7bb6cfeefcc437dcf344b2645e70051780433078806ba9b0da0527a69b9fed07ee6de54029700e230d08c495df999870b4e2660ca16d32", 0x68}, {&(0x7f0000000640)="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", 0x1000}, {&(0x7f0000000280)="fce18263f6f211f946c7aec2bb81540bfdcc313450de10b29ea6184a63ed572952be7cfdd640ad01bbcbc43bad026bad18c3c26604f0f6128aefb4ecc3c7d5ef5b31e12d58a06c6282d24fa8eff17fd90363d2ff4e2f224efe2efd620ff662d6ec89a4ac4cb6b2887411a381e0428799465726f0e325d06259142eab9890232a03cdbdf17fea0a9f87f19b6c343ee3664c314bf07de66210a0ba3f5324214859a3ed5b", 0xa3}, {&(0x7f0000000340)="9c1a60fa659b77895fdb409ffff5b1a940381d8aa162e3f671b64a234042ba5759746ad555890c40f80efb99e07a3a06aebd52b7ab9fdd4d2fda3d6c15220cae51fa66b7ec9df04ed61c774248c5725e33c19402efe8cf1efa91c8585d6d5dbe22e8bd3f1aaff82cfb1b13ea77cb70865ac32d067d392cbdfa10734806945acc68ba056ee7f9a88ff6aa278577b03f2ab7ac5557ebabbf56eaa384ead5018befec9b7f893701256e2f62545f50877a60195a85e8c48d2ef48a809d6d393c99991c9043336e5840b7eae79a091dca636402225f7f2442ffa5bccee3865f6b753ee5", 0xe1}, {&(0x7f0000000140)}, {&(0x7f0000000440)="ee88f66f5c6dfd2588473fd39a6143e4bee984e1b7dd81f9e0a5579cbc878e716cc4130671dc778ccb3746e06c90e5af1c59d590937f7b0b91ad24376fb6b40396b7b63cfd76560596064ee7cc679fbc90129e00dadb9506939d516270c640ae7402dbeeb9ff4b358eb8d4aae53d7e055d949c484f05a852a00eb12aef44dede94fe909d0ae7224c74897614b7b0475e12e386fb975cd0eb79caa2c14db6ec94333227856f26ed24a3334d567ad13ffe5aacc94c1058a4e40c7457e4a4f990029686ec7609ee2c1b9657f5f24b6f513356112b44d7c346798b595f2133ab800e82ff884ccfa28a1aaa4cbb365c7dd24597e03da51706f40a", 0xf8}], 0x6}, 0x90) write$cgroup_pid(r1, &(0x7f0000000000), 0xfffffea6) [ 994.026017][T17021] ISOFS: Unable to identify CD-ROM format. 10:47:28 executing program 1: r0 = perf_event_open(&(0x7f0000940000)={0x2, 0x70, 0xfffffffffffffffd, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}}, 0x0, 0x0, 0xffffffffffffffff, 0x0) mmap(&(0x7f00004da000/0x1000)=nil, 0x1000, 0x0, 0x4000012, r0, 0x0) mincore(&(0x7f00003fa000/0x200000)=nil, 0x2001c7, &(0x7f0000000000)=""/222) 10:47:28 executing program 5: perf_event_open(&(0x7f0000000040)={0x2, 0x70, 0x6a, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) perf_event_open(&(0x7f0000000040)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x50c, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext, 0x8010}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) preadv(0xffffffffffffffff, &(0x7f0000001b00)=[{&(0x7f00000005c0)=""/2, 0x2}], 0x1, 0x0) getsockopt$sock_cred(0xffffffffffffffff, 0x1, 0x11, &(0x7f0000000000), &(0x7f0000000100)=0xc) sched_setparam(0x0, &(0x7f0000000140)=0x7b) r0 = syz_open_procfs(0x0, &(0x7f0000000700)='stat\x00') preadv(r0, &(0x7f00000017c0), 0x375, 0x0) sigaltstack(&(0x7f0000ffe000/0x1000)=nil, 0x0) close(0xffffffffffffffff) sendto$inet6(0xffffffffffffffff, 0x0, 0x0, 0x8, &(0x7f00000001c0)={0xa, 0x4e21, 0x0, @loopback, 0x401}, 0x1c) sendfile(0xffffffffffffffff, 0xffffffffffffffff, 0x0, 0x8000fffffffe) r1 = creat(0x0, 0x1f0) fcntl$setstatus(r1, 0x4, 0x24000) ioctl$TUNGETSNDBUF(r1, 0x800454d3, &(0x7f0000000000)) add_key(&(0x7f0000000300)='user\x00', &(0x7f0000000340)={'syz', 0x2}, &(0x7f0000000380)="0b390fd73d03cea43b0d6d7a19ee6db6ff9c64288658d38fff8a22b8ba72e1e74d23e719f893fbb2a260c038a59f2180de340bd220922a50f9c10c2322f6c3722536ca50b0c19e30949dbd6de91f9068e1911dd1dd39535e603ce8b110c188bcf325bf61f2ede52000c0711450e7a385ebbb6bb6", 0x74, 0xfffffffffffffffa) pipe2(&(0x7f0000000200), 0x4c00) r2 = open(&(0x7f0000000200)='./file0\x00', 0x0, 0x0) fchdir(r2) mount$fuse(0x0, &(0x7f0000000300)='./file0\x00', 0x0, 0x0, &(0x7f0000000880)=ANY=[@ANYBLOB="1a13265297162cebfdee08007552604beac0b8710607629d9c4220572ef0dfcf5355665e08bbe79e2cd08eff59c6ad1322f1b32349ac516030905114ed86dfd45ff87012be7431a408eeebae987c06dff34aa999f2ccca35cd147ca5e8b53fd95cdf0eb9fc5bcb7e73712fb972b71fb89d256bbf3ea5e95cd4cca4967bf77b7b631ab01db3d705956052e885c1e34d115f2bd09f96b6c19552b2b7481811a3f339dd89459c975a7dc13566475e722f3c92aeec0199fa834eee5f3a55a30da6fb8a26e30b84bef7c0231f000000", @ANYRESDEC=0x0, @ANYRES64, @ANYRESDEC]) lstat(&(0x7f0000000480)='./bus\x00', &(0x7f00000004c0)={0x0, 0x0, 0x0, 0x0, 0x0, 0x0}) write$FUSE_ATTR(r2, &(0x7f0000000540)={0x78, 0x0, 0x8, {0x0, 0x80000000, 0x0, {0x0, 0x3ff, 0x0, 0x401, 0x70, 0xfffffffffffffffa, 0x4, 0x2, 0x2, 0x10001, 0x0, 0x0, r3, 0x0, 0x100}}}, 0x78) r4 = getpid() syz_open_procfs(r4, &(0x7f00000000c0)='net/stat\x00') writev(0xffffffffffffffff, 0x0, 0x0) 10:47:28 executing program 3: mknod(&(0x7f0000000040)='./bus\x00', 0x2000000000001003, 0x0) r0 = open(&(0x7f0000000100)='./bus\x00', 0x20000000000b04, 0x0) r1 = epoll_create(0x7) epoll_ctl$EPOLL_CTL_ADD(r1, 0x1, r0, &(0x7f00000001c0)) r2 = socket$kcm(0x2b, 0x8000000000001, 0x0) ioctl$PERF_EVENT_IOC_ENABLE(r2, 0x8912, 0x400200) r3 = openat$vcs(0xffffffffffffff9c, &(0x7f0000000000)='/dev/vcs\x00', 0x0, 0x0) r4 = socket$nl_generic(0x10, 0x3, 0x10) poll(&(0x7f0000000040)=[{r3}, {r2}, {r4}], 0x3, 0x6) r5 = socket(0x2000000000000021, 0x2, 0x10000000000002) connect$rxrpc(r5, &(0x7f0000000140)=@in4={0x21, 0x0, 0x2, 0x10, {0x2, 0x0, @rand_addr=0xdd}}, 0x24) sendmmsg(r5, &(0x7f0000005c00)=[{{0x0, 0xfffffffffffffd95, 0x0, 0x0, &(0x7f0000000000)=ANY=[@ANYBLOB="18000800000000001001000001000000ec00000000000000"], 0x18}}], 0x1, 0x0) r6 = socket$inet6(0xa, 0x3, 0x6) mmap(&(0x7f0000ffd000/0x2000)=nil, 0x2000, 0x8, 0x810, r6, 0x0) setsockopt$inet6_IPV6_FLOWLABEL_MGR(r6, 0x29, 0x20, &(0x7f0000000080)={@loopback, 0x800, 0x0, 0x100000003, 0x1, 0x0, 0x0, 0x400000000}, 0x20) setsockopt$inet6_IPV6_FLOWLABEL_MGR(r6, 0x29, 0x20, &(0x7f0000000300)={@mcast2, 0x10000, 0x0, 0x102, 0x8000003}, 0x20) setsockopt$inet6_IPV6_FLOWLABEL_MGR(r6, 0x29, 0x20, &(0x7f0000000040)={@loopback, 0x0, 0x0, 0x1, 0x3}, 0x20) connect$inet6(r6, &(0x7f0000000500)={0xa, 0x0, 0x40f7, @mcast2, 0x7ff}, 0x9) r7 = syz_open_procfs(0x0, &(0x7f0000000600)='net/ip6_flowlabel\x00n\xc01\x14\x894X\xed\xc1\xc9\xd8\xdcK\r\x8d\xae\x98&@\xd0\xe6\xbbQ\xd7\xffYn\x1c\x92\xde\x0e\xaa1\x91\x98\xe9\x1f\nMCi|+\xcdw\xf0\x176Z\xf1`\xac\xf3;\xd6d2\xeb\xe5\f\x0e\x8b\xda\xf7\xfc9\xfe\xff4\xef\'\xa19q\x93\"\x7fG3\xc1E\xe6e6\xc6\xc2u\x11% \xe7+0\x97\x84;\\\xda\xc4\x80\xc3\xb18N\xbfY%\x05\xf8\x85\x89\xfc\xd2\xd7') sendfile(r6, r7, &(0x7f0000000240)=0x202, 0x4000000000dc) r8 = syz_genetlink_get_family_id$nbd(&(0x7f0000000140)='nbd\x00') ioctl$KVM_S390_UCAS_UNMAP(r7, 0x4018ae51, &(0x7f00000000c0)={0x8000, 0x7ff, 0x2}) sendmsg$NBD_CMD_RECONFIGURE(0xffffffffffffffff, &(0x7f0000000200)={&(0x7f0000000100)={0x10, 0x0, 0x0, 0x80}, 0xc, &(0x7f00000001c0)={&(0x7f0000000180)={0x1ce, r8, 0xc05, 0x70bd29, 0x25dfdbff}, 0x14}, 0x1, 0x0, 0x0, 0x4}, 0x84) sendmsg$NBD_CMD_STATUS(r5, &(0x7f00000002c0)={&(0x7f0000000180)={0x10, 0x0, 0x0, 0x1000000}, 0xc, &(0x7f0000000280)={&(0x7f00000001c0)={0x28, r8, 0x10, 0x70bd25, 0x25dfdbfb, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x5}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x28}, 0x1, 0x0, 0x0, 0x8b29ba74f3c49941}, 0x4044) r9 = openat$audio(0xffffffffffffff9c, &(0x7f0000003500)='/dev/audio\x00', 0x200000, 0x0) r10 = socket$kcm(0x2b, 0x8000000000001, 0x0) ioctl$PERF_EVENT_IOC_ENABLE(r10, 0x8912, 0x400200) r11 = openat$vcs(0xffffffffffffff9c, &(0x7f0000000000)='/dev/vcs\x00', 0x0, 0x0) r12 = socket$nl_generic(0x10, 0x3, 0x10) poll(&(0x7f0000000040)=[{r11}, {r10}, {r12}], 0x3, 0x6) sendmsg$NBD_CMD_CONNECT(r3, &(0x7f0000003600)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x80}, 0xc, &(0x7f00000035c0)={&(0x7f0000003540)={0x54, r8, 0x300, 0x70bd2b, 0x25dfdbfe, {}, [@NBD_ATTR_SOCKETS={0x2c, 0x7, [{0x8, 0x1, r9}, {0x8, 0x1, r11}, {0x8, 0x1, r0}, {0x8}, {0x8, 0x1, r0}]}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}]}, 0x54}, 0x1, 0x0, 0x0, 0x80000c0}, 0x4000000) 10:47:28 executing program 1: r0 = perf_event_open(&(0x7f0000940000)={0x2, 0x70, 0xfffffffffffffffd, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}}, 0x0, 0x0, 0xffffffffffffffff, 0x0) mmap(&(0x7f00004da000/0x1000)=nil, 0x1000, 0x0, 0x4000012, r0, 0x0) mincore(&(0x7f00003fa000/0x200000)=nil, 0x2001c8, &(0x7f0000000000)=""/222) 10:47:29 executing program 2: r0 = syz_open_dev$vcsn(&(0x7f0000000040)='/dev/vcs#\x00', 0x7, 0x200000) r1 = openat$cgroup_ro(r0, &(0x7f00000000c0)='memory.events\x00', 0x26e1, 0x0) r2 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000100)='memory.events\x00', 0x7a05, 0x1700) write$cgroup_subtree(r1, &(0x7f0000000600)=ANY=[@ANYPTR64], 0xfe9d) ioctl$FS_IOC_RESVSP(r1, 0x40305828, &(0x7f00000001c0)={0x0, 0x0, 0x0, 0xcf}) ioctl$FS_IOC_RESVSP(r2, 0x40305828, &(0x7f0000000180)={0x0, 0x0, 0xae15, 0xd8a}) ioctl$FS_IOC_SETFLAGS(r2, 0x40086602, &(0x7f0000000080)=0x9) socketpair$unix(0x1, 0x1, 0x0, &(0x7f0000000180)={0xffffffffffffffff, 0xffffffffffffffff}) ftruncate(r1, 0x3) r4 = dup(r3) ioctl$PERF_EVENT_IOC_ENABLE(r4, 0x8912, 0x400200) fcntl$dupfd(0xffffffffffffffff, 0x0, 0xffffffffffffffff) r5 = socket$inet6_dccp(0xa, 0x6, 0x0) getsockopt$inet6_int(r5, 0x29, 0x3c, 0x0, &(0x7f00000015c0)) r6 = fcntl$getown(r5, 0x9) r7 = syz_init_net_socket$netrom(0x6, 0x5, 0x0) setsockopt$netrom_NETROM_T2(r7, 0x103, 0x2, 0x0, 0x0) ioctl$sock_netrom_SIOCADDRT(r7, 0x890b, &(0x7f0000000200)={0x0, @bcast, @rose={'rose', 0x0}, 0x7, 'syz1\x00', @remote={0xcc, 0xcc, 0xcc, 0xcc, 0xcc, 0xcc, 0x1}, 0xd9, 0x4, [@default, @rose={0xbb, 0xbb, 0xbb, 0x1, 0x0}, @null, @default, @remote={0xcc, 0xcc, 0xcc, 0xcc, 0xcc, 0xcc, 0x1}, @netrom={0xbb, 0xbb, 0xbb, 0xbb, 0xbb, 0x0, 0x0}, @bcast, @bcast]}) write$cgroup_pid(r2, &(0x7f0000000000)=r6, 0x12) 10:47:29 executing program 5: perf_event_open(&(0x7f0000000040)={0x2, 0x70, 0x6a, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}}, 0x0, 0x0, 0xffffffffffffffff, 0x0) perf_event_open(&(0x7f0000000040)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x50c, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) preadv(0xffffffffffffffff, &(0x7f0000001b00)=[{&(0x7f00000005c0)=""/2, 0x2}], 0x1, 0x0) r0 = syz_open_procfs(0x0, &(0x7f0000000700)='stat\x00') preadv(r0, &(0x7f00000017c0), 0x375, 0x0) sendfile(0xffffffffffffffff, 0xffffffffffffffff, 0x0, 0x0) 10:47:29 executing program 3: mknod(&(0x7f0000000040)='./bus\x00', 0x2000000000001003, 0x0) r0 = open(&(0x7f0000000100)='./bus\x00', 0x20000000000b04, 0x0) r1 = epoll_create(0x7) epoll_ctl$EPOLL_CTL_ADD(r1, 0x1, r0, &(0x7f00000001c0)) r2 = socket$kcm(0x2b, 0x8000000000001, 0x0) ioctl$PERF_EVENT_IOC_ENABLE(r2, 0x8912, 0x400200) r3 = openat$vcs(0xffffffffffffff9c, &(0x7f0000000000)='/dev/vcs\x00', 0x0, 0x0) r4 = socket$nl_generic(0x10, 0x3, 0x10) poll(&(0x7f0000000040)=[{r3}, {r2}, {r4}], 0x3, 0x6) r5 = socket(0x2000000000000021, 0x2, 0x10000000000002) connect$rxrpc(r5, &(0x7f0000000140)=@in4={0x21, 0x0, 0x2, 0x10, {0x2, 0x0, @rand_addr=0xdd}}, 0x24) sendmmsg(r5, &(0x7f0000005c00)=[{{0x0, 0xfffffffffffffd95, 0x0, 0x0, &(0x7f0000000000)=ANY=[@ANYBLOB="18000800000000001001000001000000ec00000000000000"], 0x18}}], 0x1, 0x0) r6 = socket$inet6(0xa, 0x3, 0x6) mmap(&(0x7f0000ffd000/0x2000)=nil, 0x2000, 0x8, 0x810, r6, 0x0) setsockopt$inet6_IPV6_FLOWLABEL_MGR(r6, 0x29, 0x20, &(0x7f0000000080)={@loopback, 0x800, 0x0, 0x100000003, 0x1, 0x0, 0x0, 0x400000000}, 0x20) setsockopt$inet6_IPV6_FLOWLABEL_MGR(r6, 0x29, 0x20, &(0x7f0000000300)={@mcast2, 0x10000, 0x0, 0x102, 0x8000003}, 0x20) setsockopt$inet6_IPV6_FLOWLABEL_MGR(r6, 0x29, 0x20, &(0x7f0000000040)={@loopback, 0x0, 0x0, 0x1, 0x3}, 0x20) connect$inet6(r6, &(0x7f0000000500)={0xa, 0x0, 0x40f7, @mcast2, 0x7ff}, 0x9) r7 = syz_open_procfs(0x0, &(0x7f0000000600)='net/ip6_flowlabel\x00n\xc01\x14\x894X\xed\xc1\xc9\xd8\xdcK\r\x8d\xae\x98&@\xd0\xe6\xbbQ\xd7\xffYn\x1c\x92\xde\x0e\xaa1\x91\x98\xe9\x1f\nMCi|+\xcdw\xf0\x176Z\xf1`\xac\xf3;\xd6d2\xeb\xe5\f\x0e\x8b\xda\xf7\xfc9\xfe\xff4\xef\'\xa19q\x93\"\x7fG3\xc1E\xe6e6\xc6\xc2u\x11% \xe7+0\x97\x84;\\\xda\xc4\x80\xc3\xb18N\xbfY%\x05\xf8\x85\x89\xfc\xd2\xd7') sendfile(r6, r7, &(0x7f0000000240)=0x202, 0x4000000000dc) r8 = syz_genetlink_get_family_id$nbd(&(0x7f0000000140)='nbd\x00') ioctl$KVM_S390_UCAS_UNMAP(r7, 0x4018ae51, &(0x7f00000000c0)={0x8000, 0x7ff, 0x2}) sendmsg$NBD_CMD_RECONFIGURE(0xffffffffffffffff, &(0x7f0000000200)={&(0x7f0000000100)={0x10, 0x0, 0x0, 0x80}, 0xc, &(0x7f00000001c0)={&(0x7f0000000180)={0x1ce, r8, 0xc05, 0x70bd29, 0x25dfdbff}, 0x14}, 0x1, 0x0, 0x0, 0x4}, 0x84) sendmsg$NBD_CMD_STATUS(r5, &(0x7f00000002c0)={&(0x7f0000000180)={0x10, 0x0, 0x0, 0x1000000}, 0xc, &(0x7f0000000280)={&(0x7f00000001c0)={0x28, r8, 0x10, 0x70bd25, 0x25dfdbfb, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x5}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x28}, 0x1, 0x0, 0x0, 0x8b29ba74f3c49941}, 0x4044) r9 = openat$audio(0xffffffffffffff9c, &(0x7f0000003500)='/dev/audio\x00', 0x200000, 0x0) r10 = socket$kcm(0x2b, 0x8000000000001, 0x0) ioctl$PERF_EVENT_IOC_ENABLE(r10, 0x8912, 0x400200) r11 = openat$vcs(0xffffffffffffff9c, &(0x7f0000000000)='/dev/vcs\x00', 0x0, 0x0) r12 = socket$nl_generic(0x10, 0x3, 0x10) poll(&(0x7f0000000040)=[{r11}, {r10}, {r12}], 0x3, 0x6) sendmsg$NBD_CMD_CONNECT(r3, &(0x7f0000003600)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x80}, 0xc, &(0x7f00000035c0)={&(0x7f0000003540)={0x54, r8, 0x300, 0x70bd2b, 0x25dfdbfe, {}, [@NBD_ATTR_SOCKETS={0x2c, 0x7, [{0x8, 0x1, r9}, {0x8, 0x1, r11}, {0x8, 0x1, r0}, {0x8}, {0x8, 0x1, r0}]}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}]}, 0x54}, 0x1, 0x0, 0x0, 0x80000c0}, 0x4000000) 10:47:29 executing program 2: r0 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f00000000c0)='memory.events\x00', 0x26e1, 0x0) r1 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000100)='memory.events\x00', 0x7a05, 0x1700) write$cgroup_subtree(r0, &(0x7f0000000600)=ANY=[@ANYPTR64], 0xfe9d) ioctl$FS_IOC_RESVSP(r0, 0x40305828, &(0x7f00000001c0)={0x0, 0x0, 0x0, 0xcf}) r2 = socket$kcm(0x2b, 0x8000000000001, 0x0) ioctl$PERF_EVENT_IOC_ENABLE(r2, 0x8912, 0x400200) r3 = openat$vcs(0xffffffffffffff9c, &(0x7f0000000000)='/dev/vcs\x00', 0x0, 0x0) r4 = socket$nl_generic(0x10, 0x3, 0x10) poll(&(0x7f0000000040)=[{r3}, {r2}, {r4}], 0x3, 0x6) ioctl$USBDEVFS_GET_SPEED(r3, 0x551f) ioctl$FS_IOC_RESVSP(r1, 0x40305828, &(0x7f0000000180)={0x0, 0x0, 0xae15, 0xd8a}) socket$inet_smc(0x2b, 0x1, 0x0) ioctl$FS_IOC_SETFLAGS(r1, 0x40086602, &(0x7f0000000080)=0x9) socketpair$unix(0x1, 0x1, 0x0, &(0x7f0000000180)={0xffffffffffffffff, 0xffffffffffffffff}) r6 = shmget$private(0x0, 0x1000, 0x0, &(0x7f0000ffd000/0x1000)=nil) shmat(r6, &(0x7f0000ffd000/0x1000)=nil, 0x6000) shmctl$IPC_INFO(r6, 0x3, &(0x7f0000000200)=""/137) r7 = dup(r5) ioctl$PERF_EVENT_IOC_ENABLE(r7, 0x8912, 0x400200) fcntl$dupfd(0xffffffffffffffff, 0x0, 0xffffffffffffffff) write$cgroup_pid(r1, &(0x7f0000000000), 0xfffffea6) 10:47:29 executing program 1: r0 = perf_event_open(&(0x7f0000940000)={0x2, 0x70, 0xfffffffffffffffd, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}}, 0x0, 0x0, 0xffffffffffffffff, 0x0) mmap(&(0x7f00004da000/0x1000)=nil, 0x1000, 0x0, 0x4000012, r0, 0x0) mincore(&(0x7f00003fa000/0x200000)=nil, 0x2001c9, &(0x7f0000000000)=""/222) 10:47:29 executing program 3: mknod(&(0x7f0000000040)='./bus\x00', 0x2000000000001003, 0x0) r0 = open(&(0x7f0000000100)='./bus\x00', 0x20000000000b04, 0x0) r1 = epoll_create(0x7) epoll_ctl$EPOLL_CTL_ADD(r1, 0x1, r0, &(0x7f00000001c0)) r2 = socket$kcm(0x2b, 0x8000000000001, 0x0) ioctl$PERF_EVENT_IOC_ENABLE(r2, 0x8912, 0x400200) r3 = openat$vcs(0xffffffffffffff9c, &(0x7f0000000000)='/dev/vcs\x00', 0x0, 0x0) r4 = socket$nl_generic(0x10, 0x3, 0x10) poll(&(0x7f0000000040)=[{r3}, {r2}, {r4}], 0x3, 0x6) r5 = socket(0x2000000000000021, 0x2, 0x10000000000002) connect$rxrpc(r5, &(0x7f0000000140)=@in4={0x21, 0x0, 0x2, 0x10, {0x2, 0x0, @rand_addr=0xdd}}, 0x24) sendmmsg(r5, &(0x7f0000005c00)=[{{0x0, 0xfffffffffffffd95, 0x0, 0x0, &(0x7f0000000000)=ANY=[@ANYBLOB="18000800000000001001000001000000ec00000000000000"], 0x18}}], 0x1, 0x0) r6 = socket$inet6(0xa, 0x3, 0x6) mmap(&(0x7f0000ffd000/0x2000)=nil, 0x2000, 0x8, 0x810, r6, 0x0) setsockopt$inet6_IPV6_FLOWLABEL_MGR(r6, 0x29, 0x20, &(0x7f0000000080)={@loopback, 0x800, 0x0, 0x100000003, 0x1, 0x0, 0x0, 0x400000000}, 0x20) setsockopt$inet6_IPV6_FLOWLABEL_MGR(r6, 0x29, 0x20, &(0x7f0000000300)={@mcast2, 0x10000, 0x0, 0x102, 0x8000003}, 0x20) setsockopt$inet6_IPV6_FLOWLABEL_MGR(r6, 0x29, 0x20, &(0x7f0000000040)={@loopback, 0x0, 0x0, 0x1, 0x3}, 0x20) connect$inet6(r6, &(0x7f0000000500)={0xa, 0x0, 0x40f7, @mcast2, 0x7ff}, 0x9) r7 = syz_open_procfs(0x0, &(0x7f0000000600)='net/ip6_flowlabel\x00n\xc01\x14\x894X\xed\xc1\xc9\xd8\xdcK\r\x8d\xae\x98&@\xd0\xe6\xbbQ\xd7\xffYn\x1c\x92\xde\x0e\xaa1\x91\x98\xe9\x1f\nMCi|+\xcdw\xf0\x176Z\xf1`\xac\xf3;\xd6d2\xeb\xe5\f\x0e\x8b\xda\xf7\xfc9\xfe\xff4\xef\'\xa19q\x93\"\x7fG3\xc1E\xe6e6\xc6\xc2u\x11% \xe7+0\x97\x84;\\\xda\xc4\x80\xc3\xb18N\xbfY%\x05\xf8\x85\x89\xfc\xd2\xd7') sendfile(r6, r7, &(0x7f0000000240)=0x202, 0x4000000000dc) r8 = syz_genetlink_get_family_id$nbd(&(0x7f0000000140)='nbd\x00') ioctl$KVM_S390_UCAS_UNMAP(r7, 0x4018ae51, &(0x7f00000000c0)={0x8000, 0x7ff, 0x2}) sendmsg$NBD_CMD_RECONFIGURE(r7, 0x0, 0x84) sendmsg$NBD_CMD_STATUS(r5, &(0x7f00000002c0)={&(0x7f0000000180)={0x10, 0x0, 0x0, 0x1000000}, 0xc, &(0x7f0000000280)={&(0x7f00000001c0)={0x28, r8, 0x10, 0x70bd25, 0x25dfdbfb, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x5}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x28}, 0x1, 0x0, 0x0, 0x8b29ba74f3c49941}, 0x4044) r9 = openat$audio(0xffffffffffffff9c, &(0x7f0000003500)='/dev/audio\x00', 0x200000, 0x0) r10 = socket$kcm(0x2b, 0x8000000000001, 0x0) ioctl$PERF_EVENT_IOC_ENABLE(r10, 0x8912, 0x400200) r11 = openat$vcs(0xffffffffffffff9c, &(0x7f0000000000)='/dev/vcs\x00', 0x0, 0x0) r12 = socket$nl_generic(0x10, 0x3, 0x10) poll(&(0x7f0000000040)=[{r11}, {r10}, {r12}], 0x3, 0x6) sendmsg$NBD_CMD_CONNECT(r3, &(0x7f0000003600)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x80}, 0xc, &(0x7f00000035c0)={&(0x7f0000003540)={0x54, r8, 0x300, 0x70bd2b, 0x25dfdbfe, {}, [@NBD_ATTR_SOCKETS={0x2c, 0x7, [{0x8, 0x1, r9}, {0x8, 0x1, r11}, {0x8, 0x1, r0}, {0x8}, {0x8, 0x1, r0}]}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}]}, 0x54}, 0x1, 0x0, 0x0, 0x80000c0}, 0x4000000) 10:47:29 executing program 5: r0 = socket$inet6(0xa, 0x80003, 0xff) ioctl(r0, 0x1000008912, &(0x7f0000000080)="0800b5055e0bcfe87b2071") r1 = socket$inet6_sctp(0xa, 0x5, 0x84) setsockopt$inet6_MCAST_LEAVE_GROUP(r1, 0x29, 0x2d, &(0x7f0000000480)={0x0, {{0xa, 0x0, 0x0, @ipv4={[], [], @empty}}}}, 0x88) 10:47:29 executing program 1: r0 = perf_event_open(&(0x7f0000940000)={0x2, 0x70, 0xfffffffffffffffd, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}}, 0x0, 0x0, 0xffffffffffffffff, 0x0) mmap(&(0x7f00004da000/0x1000)=nil, 0x1000, 0x0, 0x4000012, r0, 0x0) mincore(&(0x7f00003fa000/0x200000)=nil, 0x2001ca, &(0x7f0000000000)=""/222) 10:47:29 executing program 5: r0 = socket$inet_icmp_raw(0x2, 0x3, 0x1) r1 = dup(r0) ioctl$PERF_EVENT_IOC_ENABLE(r1, 0x8912, 0x400200) sysinfo(&(0x7f0000000100)=""/4096) 10:47:29 executing program 2: r0 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f00000000c0)='memory.events\x00', 0x26e1, 0x0) r1 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000100)='memory.events\x00', 0x7a05, 0x1700) write$cgroup_subtree(r0, &(0x7f0000000600)=ANY=[@ANYPTR64], 0xfe9d) ioctl$FS_IOC_RESVSP(r0, 0x40305828, &(0x7f00000001c0)={0x0, 0x0, 0x0, 0xcf}) ioctl$FS_IOC_RESVSP(r1, 0x40305828, &(0x7f0000000180)={0x0, 0x0, 0xae15, 0xd8a}) r2 = syz_open_dev$sndtimer(&(0x7f0000000040)='/dev/snd/timer\x00', 0x0, 0x48c200) ioctl$sock_SIOCADDDLCI(r1, 0x8980, &(0x7f0000000080)={'bond_slave_0\x00', 0xa2}) ioctl$FS_IOC_SETFLAGS(r2, 0x40086602, &(0x7f0000000140)=0x19) socketpair$unix(0x1, 0x1, 0x0, &(0x7f0000000180)={0xffffffffffffffff, 0xffffffffffffffff}) r4 = dup(r3) ioctl$PERF_EVENT_IOC_ENABLE(r4, 0x8912, 0x400200) fcntl$dupfd(0xffffffffffffffff, 0x0, 0xffffffffffffffff) write$cgroup_pid(r1, &(0x7f0000000000), 0xfffffea6) 10:47:29 executing program 3: mknod(&(0x7f0000000040)='./bus\x00', 0x2000000000001003, 0x0) r0 = open(&(0x7f0000000100)='./bus\x00', 0x20000000000b04, 0x0) r1 = epoll_create(0x7) epoll_ctl$EPOLL_CTL_ADD(r1, 0x1, r0, &(0x7f00000001c0)) r2 = socket$kcm(0x2b, 0x8000000000001, 0x0) ioctl$PERF_EVENT_IOC_ENABLE(r2, 0x8912, 0x400200) r3 = openat$vcs(0xffffffffffffff9c, &(0x7f0000000000)='/dev/vcs\x00', 0x0, 0x0) r4 = socket$nl_generic(0x10, 0x3, 0x10) poll(&(0x7f0000000040)=[{r3}, {r2}, {r4}], 0x3, 0x6) r5 = socket(0x2000000000000021, 0x2, 0x10000000000002) connect$rxrpc(r5, &(0x7f0000000140)=@in4={0x21, 0x0, 0x2, 0x10, {0x2, 0x0, @rand_addr=0xdd}}, 0x24) sendmmsg(r5, &(0x7f0000005c00)=[{{0x0, 0xfffffffffffffd95, 0x0, 0x0, &(0x7f0000000000)=ANY=[@ANYBLOB="18000800000000001001000001000000ec00000000000000"], 0x18}}], 0x1, 0x0) r6 = socket$inet6(0xa, 0x3, 0x6) mmap(&(0x7f0000ffd000/0x2000)=nil, 0x2000, 0x8, 0x810, r6, 0x0) setsockopt$inet6_IPV6_FLOWLABEL_MGR(r6, 0x29, 0x20, &(0x7f0000000080)={@loopback, 0x800, 0x0, 0x100000003, 0x1, 0x0, 0x0, 0x400000000}, 0x20) setsockopt$inet6_IPV6_FLOWLABEL_MGR(r6, 0x29, 0x20, &(0x7f0000000300)={@mcast2, 0x10000, 0x0, 0x102, 0x8000003}, 0x20) setsockopt$inet6_IPV6_FLOWLABEL_MGR(r6, 0x29, 0x20, &(0x7f0000000040)={@loopback, 0x0, 0x0, 0x1, 0x3}, 0x20) connect$inet6(r6, &(0x7f0000000500)={0xa, 0x0, 0x40f7, @mcast2, 0x7ff}, 0x9) r7 = syz_open_procfs(0x0, &(0x7f0000000600)='net/ip6_flowlabel\x00n\xc01\x14\x894X\xed\xc1\xc9\xd8\xdcK\r\x8d\xae\x98&@\xd0\xe6\xbbQ\xd7\xffYn\x1c\x92\xde\x0e\xaa1\x91\x98\xe9\x1f\nMCi|+\xcdw\xf0\x176Z\xf1`\xac\xf3;\xd6d2\xeb\xe5\f\x0e\x8b\xda\xf7\xfc9\xfe\xff4\xef\'\xa19q\x93\"\x7fG3\xc1E\xe6e6\xc6\xc2u\x11% \xe7+0\x97\x84;\\\xda\xc4\x80\xc3\xb18N\xbfY%\x05\xf8\x85\x89\xfc\xd2\xd7') sendfile(r6, r7, &(0x7f0000000240)=0x202, 0x4000000000dc) r8 = syz_genetlink_get_family_id$nbd(&(0x7f0000000140)='nbd\x00') ioctl$KVM_S390_UCAS_UNMAP(r7, 0x4018ae51, &(0x7f00000000c0)={0x8000, 0x7ff, 0x2}) sendmsg$NBD_CMD_RECONFIGURE(r7, 0x0, 0x84) sendmsg$NBD_CMD_STATUS(r5, &(0x7f00000002c0)={&(0x7f0000000180)={0x10, 0x0, 0x0, 0x1000000}, 0xc, &(0x7f0000000280)={&(0x7f00000001c0)={0x28, r8, 0x10, 0x70bd25, 0x25dfdbfb, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x5}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x28}, 0x1, 0x0, 0x0, 0x8b29ba74f3c49941}, 0x4044) r9 = openat$audio(0xffffffffffffff9c, &(0x7f0000003500)='/dev/audio\x00', 0x200000, 0x0) r10 = socket$kcm(0x2b, 0x8000000000001, 0x0) ioctl$PERF_EVENT_IOC_ENABLE(r10, 0x8912, 0x400200) r11 = openat$vcs(0xffffffffffffff9c, &(0x7f0000000000)='/dev/vcs\x00', 0x0, 0x0) r12 = socket$nl_generic(0x10, 0x3, 0x10) poll(&(0x7f0000000040)=[{r11}, {r10}, {r12}], 0x3, 0x6) sendmsg$NBD_CMD_CONNECT(r3, &(0x7f0000003600)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x80}, 0xc, &(0x7f00000035c0)={&(0x7f0000003540)={0x54, r8, 0x300, 0x70bd2b, 0x25dfdbfe, {}, [@NBD_ATTR_SOCKETS={0x2c, 0x7, [{0x8, 0x1, r9}, {0x8, 0x1, r11}, {0x8, 0x1, r0}, {0x8}, {0x8, 0x1, r0}]}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}]}, 0x54}, 0x1, 0x0, 0x0, 0x80000c0}, 0x4000000) 10:47:29 executing program 5: ioctl$FS_IOC_GET_ENCRYPTION_POLICY_EX(0xffffffffffffffff, 0xc0096616, 0x0) perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x7f, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={&(0x7f00000001c0)}}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) recvmmsg(0xffffffffffffffff, &(0x7f0000007280)=[{{&(0x7f0000000200)=@xdp, 0x80, &(0x7f0000000340)=[{&(0x7f00000002c0)=""/87, 0x57}, {&(0x7f0000000580)=""/141, 0x8d}, {&(0x7f0000000640)=""/4096, 0x1000}, {&(0x7f0000001640)=""/208, 0xd0}], 0x4, &(0x7f0000000500)=""/57, 0x39}}, {{0x0, 0x0, &(0x7f00000019c0)=[{&(0x7f00000017c0)=""/110, 0x6e}, {0x0}], 0x2, &(0x7f0000001a00)}, 0x164}, {{&(0x7f0000001a40)=@rc, 0x80, &(0x7f0000001d40)=[{&(0x7f0000001ac0)=""/250, 0xfa}, {&(0x7f0000001bc0)=""/71, 0x47}, {&(0x7f0000001c40)=""/241, 0xf1}], 0x3}, 0x7}, {{&(0x7f0000001d80)=@pppol2tpv3in6={0x18, 0x1, {0x0, 0xffffffffffffffff, 0x0, 0x0, 0x0, 0x0, {0xa, 0x0, 0x0, @local}}}, 0x80, 0x0, 0x0, &(0x7f0000001fc0)=""/85, 0x55}, 0xfffff800}, {{&(0x7f0000002040)=@ll={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @link_local}, 0x80, 0x0}, 0xfff}, {{&(0x7f0000005fc0)=@rc, 0x80, &(0x7f0000007040)=[{&(0x7f0000006040)=""/4096, 0x1000}], 0x1}}], 0x6, 0x0, 0x0) r0 = openat$cgroup_root(0xffffffffffffff9c, &(0x7f00000003c0)='./cgroup\x00', 0x200002, 0x0) sendmsg$NBD_CMD_DISCONNECT(0xffffffffffffffff, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) fchdir(r0) syz_mount_image$vfat(&(0x7f0000000000)='vfat\x00', &(0x7f0000000080)='./file0\x00', 0xe000, 0x1, &(0x7f0000000040)=[{&(0x7f0000000280)="eb3c906d6b66732e666174000204010002000270f7f8", 0x16}], 0x0, 0x0) umount2(&(0x7f0000000540)='./file0\x00', 0x4) 10:47:29 executing program 1: r0 = perf_event_open(&(0x7f0000940000)={0x2, 0x70, 0xfffffffffffffffd, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}}, 0x0, 0x0, 0xffffffffffffffff, 0x0) mmap(&(0x7f00004da000/0x1000)=nil, 0x1000, 0x0, 0x4000012, r0, 0x0) mincore(&(0x7f00003fa000/0x200000)=nil, 0x2001cb, &(0x7f0000000000)=""/222) 10:47:30 executing program 3: mknod(&(0x7f0000000040)='./bus\x00', 0x2000000000001003, 0x0) r0 = open(&(0x7f0000000100)='./bus\x00', 0x20000000000b04, 0x0) r1 = epoll_create(0x7) epoll_ctl$EPOLL_CTL_ADD(r1, 0x1, r0, &(0x7f00000001c0)) r2 = socket$kcm(0x2b, 0x8000000000001, 0x0) ioctl$PERF_EVENT_IOC_ENABLE(r2, 0x8912, 0x400200) r3 = openat$vcs(0xffffffffffffff9c, &(0x7f0000000000)='/dev/vcs\x00', 0x0, 0x0) r4 = socket$nl_generic(0x10, 0x3, 0x10) poll(&(0x7f0000000040)=[{r3}, {r2}, {r4}], 0x3, 0x6) r5 = socket(0x2000000000000021, 0x2, 0x10000000000002) connect$rxrpc(r5, &(0x7f0000000140)=@in4={0x21, 0x0, 0x2, 0x10, {0x2, 0x0, @rand_addr=0xdd}}, 0x24) sendmmsg(r5, &(0x7f0000005c00)=[{{0x0, 0xfffffffffffffd95, 0x0, 0x0, &(0x7f0000000000)=ANY=[@ANYBLOB="18000800000000001001000001000000ec00000000000000"], 0x18}}], 0x1, 0x0) r6 = socket$inet6(0xa, 0x3, 0x6) mmap(&(0x7f0000ffd000/0x2000)=nil, 0x2000, 0x8, 0x810, r6, 0x0) setsockopt$inet6_IPV6_FLOWLABEL_MGR(r6, 0x29, 0x20, &(0x7f0000000080)={@loopback, 0x800, 0x0, 0x100000003, 0x1, 0x0, 0x0, 0x400000000}, 0x20) setsockopt$inet6_IPV6_FLOWLABEL_MGR(r6, 0x29, 0x20, &(0x7f0000000300)={@mcast2, 0x10000, 0x0, 0x102, 0x8000003}, 0x20) setsockopt$inet6_IPV6_FLOWLABEL_MGR(r6, 0x29, 0x20, &(0x7f0000000040)={@loopback, 0x0, 0x0, 0x1, 0x3}, 0x20) connect$inet6(r6, &(0x7f0000000500)={0xa, 0x0, 0x40f7, @mcast2, 0x7ff}, 0x9) r7 = syz_open_procfs(0x0, &(0x7f0000000600)='net/ip6_flowlabel\x00n\xc01\x14\x894X\xed\xc1\xc9\xd8\xdcK\r\x8d\xae\x98&@\xd0\xe6\xbbQ\xd7\xffYn\x1c\x92\xde\x0e\xaa1\x91\x98\xe9\x1f\nMCi|+\xcdw\xf0\x176Z\xf1`\xac\xf3;\xd6d2\xeb\xe5\f\x0e\x8b\xda\xf7\xfc9\xfe\xff4\xef\'\xa19q\x93\"\x7fG3\xc1E\xe6e6\xc6\xc2u\x11% \xe7+0\x97\x84;\\\xda\xc4\x80\xc3\xb18N\xbfY%\x05\xf8\x85\x89\xfc\xd2\xd7') sendfile(r6, r7, &(0x7f0000000240)=0x202, 0x4000000000dc) r8 = syz_genetlink_get_family_id$nbd(&(0x7f0000000140)='nbd\x00') ioctl$KVM_S390_UCAS_UNMAP(r7, 0x4018ae51, &(0x7f00000000c0)={0x8000, 0x7ff, 0x2}) sendmsg$NBD_CMD_RECONFIGURE(r7, 0x0, 0x84) sendmsg$NBD_CMD_STATUS(r5, &(0x7f00000002c0)={&(0x7f0000000180)={0x10, 0x0, 0x0, 0x1000000}, 0xc, &(0x7f0000000280)={&(0x7f00000001c0)={0x28, r8, 0x10, 0x70bd25, 0x25dfdbfb, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x5}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x28}, 0x1, 0x0, 0x0, 0x8b29ba74f3c49941}, 0x4044) r9 = openat$audio(0xffffffffffffff9c, &(0x7f0000003500)='/dev/audio\x00', 0x200000, 0x0) r10 = socket$kcm(0x2b, 0x8000000000001, 0x0) ioctl$PERF_EVENT_IOC_ENABLE(r10, 0x8912, 0x400200) r11 = openat$vcs(0xffffffffffffff9c, &(0x7f0000000000)='/dev/vcs\x00', 0x0, 0x0) r12 = socket$nl_generic(0x10, 0x3, 0x10) poll(&(0x7f0000000040)=[{r11}, {r10}, {r12}], 0x3, 0x6) sendmsg$NBD_CMD_CONNECT(r3, &(0x7f0000003600)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x80}, 0xc, &(0x7f00000035c0)={&(0x7f0000003540)={0x54, r8, 0x300, 0x70bd2b, 0x25dfdbfe, {}, [@NBD_ATTR_SOCKETS={0x2c, 0x7, [{0x8, 0x1, r9}, {0x8, 0x1, r11}, {0x8, 0x1, r0}, {0x8}, {0x8, 0x1, r0}]}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}]}, 0x54}, 0x1, 0x0, 0x0, 0x80000c0}, 0x4000000) 10:47:30 executing program 2: r0 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f00000000c0)='memory.events\x00', 0x26e1, 0x0) r1 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000100)='memory.events\x00', 0x7a05, 0x1700) write$cgroup_subtree(r0, &(0x7f0000000600)=ANY=[@ANYPTR64], 0xfe9d) ioctl$FS_IOC_RESVSP(r0, 0x40305828, &(0x7f00000001c0)={0x0, 0x0, 0x0, 0xcf}) ioctl$FS_IOC_RESVSP(r1, 0x40305828, &(0x7f0000000180)={0x0, 0x0, 0xae15, 0xd8a}) ioctl$FS_IOC_SETFLAGS(r1, 0x40086602, &(0x7f0000000080)=0x9) ioctl$UI_SET_KEYBIT(r0, 0x40045565, 0x8d) socketpair$unix(0x1, 0x1, 0x0, &(0x7f0000000180)={0xffffffffffffffff, 0xffffffffffffffff}) r3 = dup(r2) ioctl$PERF_EVENT_IOC_ENABLE(r3, 0x8912, 0x400200) fcntl$dupfd(0xffffffffffffffff, 0x0, 0xffffffffffffffff) write$cgroup_pid(r1, &(0x7f0000000000), 0xfffffea6) 10:47:30 executing program 1: r0 = perf_event_open(&(0x7f0000940000)={0x2, 0x70, 0xfffffffffffffffd, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}}, 0x0, 0x0, 0xffffffffffffffff, 0x0) mmap(&(0x7f00004da000/0x1000)=nil, 0x1000, 0x0, 0x4000012, r0, 0x0) mincore(&(0x7f00003fa000/0x200000)=nil, 0x2001cc, &(0x7f0000000000)=""/222) 10:47:30 executing program 5: ioctl$FS_IOC_GET_ENCRYPTION_POLICY_EX(0xffffffffffffffff, 0xc0096616, 0x0) perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x7f, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={&(0x7f00000001c0)}}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) recvmmsg(0xffffffffffffffff, &(0x7f0000007280)=[{{&(0x7f0000000200)=@xdp, 0x80, &(0x7f0000000340)=[{&(0x7f00000002c0)=""/87, 0x57}, {&(0x7f0000000580)=""/141, 0x8d}, {&(0x7f0000000640)=""/4096, 0x1000}, {&(0x7f0000001640)=""/208, 0xd0}], 0x4, &(0x7f0000000500)=""/57, 0x39}}, {{0x0, 0x0, &(0x7f00000019c0)=[{&(0x7f00000017c0)=""/110, 0x6e}, {0x0}], 0x2, &(0x7f0000001a00)}, 0x164}, {{&(0x7f0000001a40)=@rc, 0x80, &(0x7f0000001d40)=[{&(0x7f0000001ac0)=""/250, 0xfa}, {&(0x7f0000001bc0)=""/71, 0x47}, {&(0x7f0000001c40)=""/241, 0xf1}], 0x3}, 0x7}, {{&(0x7f0000001d80)=@pppol2tpv3in6={0x18, 0x1, {0x0, 0xffffffffffffffff, 0x0, 0x0, 0x0, 0x0, {0xa, 0x0, 0x0, @local}}}, 0x80, 0x0, 0x0, &(0x7f0000001fc0)=""/85, 0x55}, 0xfffff800}, {{&(0x7f0000002040)=@ll={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @link_local}, 0x80, 0x0}, 0xfff}, {{&(0x7f0000005fc0)=@rc, 0x80, &(0x7f0000007040)=[{&(0x7f0000006040)=""/4096, 0x1000}], 0x1}}], 0x6, 0x0, 0x0) r0 = openat$cgroup_root(0xffffffffffffff9c, &(0x7f00000003c0)='./cgroup\x00', 0x200002, 0x0) sendmsg$NBD_CMD_DISCONNECT(0xffffffffffffffff, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) fchdir(r0) syz_mount_image$vfat(&(0x7f0000000000)='vfat\x00', &(0x7f0000000080)='./file0\x00', 0xe000, 0x1, &(0x7f0000000040)=[{&(0x7f0000000280)="eb3c906d6b66732e666174000204010002000270f7f8", 0x16}], 0x0, 0x0) umount2(&(0x7f0000000540)='./file0\x00', 0x4) [ 995.899206][ C0] net_ratelimit: 8 callbacks suppressed [ 995.899216][ C0] protocol 88fb is buggy, dev hsr_slave_0 [ 995.910611][ C0] protocol 88fb is buggy, dev hsr_slave_1 10:47:30 executing program 3: mknod(&(0x7f0000000040)='./bus\x00', 0x2000000000001003, 0x0) r0 = open(&(0x7f0000000100)='./bus\x00', 0x20000000000b04, 0x0) r1 = epoll_create(0x7) epoll_ctl$EPOLL_CTL_ADD(r1, 0x1, r0, &(0x7f00000001c0)) r2 = socket$kcm(0x2b, 0x8000000000001, 0x0) ioctl$PERF_EVENT_IOC_ENABLE(r2, 0x8912, 0x400200) r3 = openat$vcs(0xffffffffffffff9c, &(0x7f0000000000)='/dev/vcs\x00', 0x0, 0x0) r4 = socket$nl_generic(0x10, 0x3, 0x10) poll(&(0x7f0000000040)=[{r3}, {r2}, {r4}], 0x3, 0x6) r5 = socket(0x2000000000000021, 0x2, 0x10000000000002) connect$rxrpc(r5, &(0x7f0000000140)=@in4={0x21, 0x0, 0x2, 0x10, {0x2, 0x0, @rand_addr=0xdd}}, 0x24) sendmmsg(r5, &(0x7f0000005c00)=[{{0x0, 0xfffffffffffffd95, 0x0, 0x0, &(0x7f0000000000)=ANY=[@ANYBLOB="18000800000000001001000001000000ec00000000000000"], 0x18}}], 0x1, 0x0) r6 = socket$inet6(0xa, 0x3, 0x6) mmap(&(0x7f0000ffd000/0x2000)=nil, 0x2000, 0x8, 0x810, r6, 0x0) setsockopt$inet6_IPV6_FLOWLABEL_MGR(r6, 0x29, 0x20, &(0x7f0000000080)={@loopback, 0x800, 0x0, 0x100000003, 0x1, 0x0, 0x0, 0x400000000}, 0x20) setsockopt$inet6_IPV6_FLOWLABEL_MGR(r6, 0x29, 0x20, &(0x7f0000000300)={@mcast2, 0x10000, 0x0, 0x102, 0x8000003}, 0x20) setsockopt$inet6_IPV6_FLOWLABEL_MGR(r6, 0x29, 0x20, &(0x7f0000000040)={@loopback, 0x0, 0x0, 0x1, 0x3}, 0x20) connect$inet6(r6, &(0x7f0000000500)={0xa, 0x0, 0x40f7, @mcast2, 0x7ff}, 0x9) r7 = syz_open_procfs(0x0, &(0x7f0000000600)='net/ip6_flowlabel\x00n\xc01\x14\x894X\xed\xc1\xc9\xd8\xdcK\r\x8d\xae\x98&@\xd0\xe6\xbbQ\xd7\xffYn\x1c\x92\xde\x0e\xaa1\x91\x98\xe9\x1f\nMCi|+\xcdw\xf0\x176Z\xf1`\xac\xf3;\xd6d2\xeb\xe5\f\x0e\x8b\xda\xf7\xfc9\xfe\xff4\xef\'\xa19q\x93\"\x7fG3\xc1E\xe6e6\xc6\xc2u\x11% \xe7+0\x97\x84;\\\xda\xc4\x80\xc3\xb18N\xbfY%\x05\xf8\x85\x89\xfc\xd2\xd7') sendfile(r6, r7, &(0x7f0000000240)=0x202, 0x4000000000dc) r8 = syz_genetlink_get_family_id$nbd(&(0x7f0000000140)='nbd\x00') ioctl$KVM_S390_UCAS_UNMAP(r7, 0x4018ae51, &(0x7f00000000c0)={0x8000, 0x7ff, 0x2}) sendmsg$NBD_CMD_RECONFIGURE(r7, &(0x7f0000000200)={0x0, 0x0, &(0x7f00000001c0)={&(0x7f0000000180)={0x14, r8, 0xc05, 0x70bd29, 0x25dfdbff}, 0x14}, 0x1, 0x0, 0x0, 0x4}, 0x84) sendmsg$NBD_CMD_STATUS(r5, &(0x7f00000002c0)={&(0x7f0000000180)={0x10, 0x0, 0x0, 0x1000000}, 0xc, &(0x7f0000000280)={&(0x7f00000001c0)={0x28, r8, 0x10, 0x70bd25, 0x25dfdbfb, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x5}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x28}, 0x1, 0x0, 0x0, 0x8b29ba74f3c49941}, 0x4044) r9 = openat$audio(0xffffffffffffff9c, &(0x7f0000003500)='/dev/audio\x00', 0x200000, 0x0) r10 = socket$kcm(0x2b, 0x8000000000001, 0x0) ioctl$PERF_EVENT_IOC_ENABLE(r10, 0x8912, 0x400200) r11 = openat$vcs(0xffffffffffffff9c, &(0x7f0000000000)='/dev/vcs\x00', 0x0, 0x0) r12 = socket$nl_generic(0x10, 0x3, 0x10) poll(&(0x7f0000000040)=[{r11}, {r10}, {r12}], 0x3, 0x6) sendmsg$NBD_CMD_CONNECT(r3, &(0x7f0000003600)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x80}, 0xc, &(0x7f00000035c0)={&(0x7f0000003540)={0x54, r8, 0x300, 0x70bd2b, 0x25dfdbfe, {}, [@NBD_ATTR_SOCKETS={0x2c, 0x7, [{0x8, 0x1, r9}, {0x8, 0x1, r11}, {0x8, 0x1, r0}, {0x8}, {0x8, 0x1, r0}]}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}]}, 0x54}, 0x1, 0x0, 0x0, 0x80000c0}, 0x4000000) 10:47:30 executing program 1: r0 = perf_event_open(&(0x7f0000940000)={0x2, 0x70, 0xfffffffffffffffd, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}}, 0x0, 0x0, 0xffffffffffffffff, 0x0) mmap(&(0x7f00004da000/0x1000)=nil, 0x1000, 0x0, 0x4000012, r0, 0x0) mincore(&(0x7f00003fa000/0x200000)=nil, 0x2001cd, &(0x7f0000000000)=""/222) 10:47:30 executing program 2: r0 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f00000000c0)='memory.events\x00', 0x26e1, 0x0) r1 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000100)='memory.events\x00', 0x7a05, 0x1700) write$cgroup_subtree(r0, &(0x7f0000000600)=ANY=[@ANYPTR64], 0xfe9d) ioctl$FS_IOC_RESVSP(r0, 0x40305828, &(0x7f00000001c0)={0x0, 0x0, 0x0, 0xcf}) openat$zero(0xffffffffffffff9c, &(0x7f0000000040)='/dev/zero\x00', 0x4001, 0x0) ioctl$FS_IOC_RESVSP(r1, 0x40305828, &(0x7f0000000180)={0x0, 0x0, 0xae15, 0xd8a}) ioctl$FS_IOC_SETFLAGS(r1, 0x40086602, &(0x7f0000000080)=0x9) socketpair$unix(0x1, 0x1, 0x0, &(0x7f0000000180)={0xffffffffffffffff, 0xffffffffffffffff}) r3 = dup(r2) r4 = socket$kcm(0x2b, 0x8000000000001, 0x0) ioctl$PERF_EVENT_IOC_ENABLE(r4, 0x8912, 0x400200) r5 = openat$vcs(0xffffffffffffff9c, &(0x7f0000000000)='/dev/vcs\x00', 0x0, 0x0) r6 = socket$nl_generic(0x10, 0x3, 0x10) poll(&(0x7f0000000040)=[{r5}, {r4}, {r6}], 0x3, 0x6) r7 = socket$inet6_dccp(0xa, 0x6, 0x0) getsockopt$inet6_int(r7, 0x29, 0x3c, 0x0, &(0x7f00000015c0)) fcntl$setflags(r7, 0x2, 0x1) r8 = syz_genetlink_get_family_id$tipc(&(0x7f0000000200)='TIPC\x00') sendmsg$TIPC_CMD_SET_LINK_TOL(r6, &(0x7f00000002c0)={&(0x7f0000000140)={0x10, 0x0, 0x0, 0x200}, 0xc, &(0x7f0000000280)={&(0x7f0000000240)={0x30, r8, 0x4, 0x70bd29, 0x25dfdbfd, {{}, 0x0, 0x4107, 0x0, {0x14, 0x18, {0x7, @bearer=@udp='udp:syz0\x00'}}}, ["", "", ""]}, 0x30}, 0x1, 0x0, 0x0, 0x40810}, 0x20008880) ioctl$PERF_EVENT_IOC_ENABLE(r3, 0x8912, 0x400200) fcntl$dupfd(0xffffffffffffffff, 0x0, 0xffffffffffffffff) write$cgroup_pid(r1, &(0x7f0000000000), 0xfffffea6) 10:47:30 executing program 3: mknod(&(0x7f0000000040)='./bus\x00', 0x2000000000001003, 0x0) r0 = open(&(0x7f0000000100)='./bus\x00', 0x20000000000b04, 0x0) r1 = epoll_create(0x7) epoll_ctl$EPOLL_CTL_ADD(r1, 0x1, r0, &(0x7f00000001c0)) r2 = socket$kcm(0x2b, 0x8000000000001, 0x0) ioctl$PERF_EVENT_IOC_ENABLE(r2, 0x8912, 0x400200) r3 = openat$vcs(0xffffffffffffff9c, &(0x7f0000000000)='/dev/vcs\x00', 0x0, 0x0) r4 = socket$nl_generic(0x10, 0x3, 0x10) poll(&(0x7f0000000040)=[{r3}, {r2}, {r4}], 0x3, 0x6) r5 = socket(0x2000000000000021, 0x2, 0x10000000000002) connect$rxrpc(r5, &(0x7f0000000140)=@in4={0x21, 0x0, 0x2, 0x10, {0x2, 0x0, @rand_addr=0xdd}}, 0x24) sendmmsg(r5, &(0x7f0000005c00)=[{{0x0, 0xfffffffffffffd95, 0x0, 0x0, &(0x7f0000000000)=ANY=[@ANYBLOB="18000800000000001001000001000000ec00000000000000"], 0x18}}], 0x1, 0x0) r6 = socket$inet6(0xa, 0x3, 0x6) mmap(&(0x7f0000ffd000/0x2000)=nil, 0x2000, 0x8, 0x810, r6, 0x0) setsockopt$inet6_IPV6_FLOWLABEL_MGR(r6, 0x29, 0x20, &(0x7f0000000080)={@loopback, 0x800, 0x0, 0x100000003, 0x1, 0x0, 0x0, 0x400000000}, 0x20) setsockopt$inet6_IPV6_FLOWLABEL_MGR(r6, 0x29, 0x20, &(0x7f0000000300)={@mcast2, 0x10000, 0x0, 0x102, 0x8000003}, 0x20) setsockopt$inet6_IPV6_FLOWLABEL_MGR(r6, 0x29, 0x20, &(0x7f0000000040)={@loopback, 0x0, 0x0, 0x1, 0x3}, 0x20) connect$inet6(r6, &(0x7f0000000500)={0xa, 0x0, 0x40f7, @mcast2, 0x7ff}, 0x9) r7 = syz_open_procfs(0x0, &(0x7f0000000600)='net/ip6_flowlabel\x00n\xc01\x14\x894X\xed\xc1\xc9\xd8\xdcK\r\x8d\xae\x98&@\xd0\xe6\xbbQ\xd7\xffYn\x1c\x92\xde\x0e\xaa1\x91\x98\xe9\x1f\nMCi|+\xcdw\xf0\x176Z\xf1`\xac\xf3;\xd6d2\xeb\xe5\f\x0e\x8b\xda\xf7\xfc9\xfe\xff4\xef\'\xa19q\x93\"\x7fG3\xc1E\xe6e6\xc6\xc2u\x11% \xe7+0\x97\x84;\\\xda\xc4\x80\xc3\xb18N\xbfY%\x05\xf8\x85\x89\xfc\xd2\xd7') sendfile(r6, r7, &(0x7f0000000240)=0x202, 0x4000000000dc) r8 = syz_genetlink_get_family_id$nbd(&(0x7f0000000140)='nbd\x00') ioctl$KVM_S390_UCAS_UNMAP(r7, 0x4018ae51, &(0x7f00000000c0)={0x8000, 0x7ff, 0x2}) sendmsg$NBD_CMD_RECONFIGURE(r7, &(0x7f0000000200)={0x0, 0x0, &(0x7f00000001c0)={&(0x7f0000000180)={0x14, r8, 0xc05, 0x70bd29, 0x25dfdbff}, 0x14}, 0x1, 0x0, 0x0, 0x4}, 0x84) sendmsg$NBD_CMD_STATUS(r5, &(0x7f00000002c0)={&(0x7f0000000180)={0x10, 0x0, 0x0, 0x1000000}, 0xc, &(0x7f0000000280)={&(0x7f00000001c0)={0x28, r8, 0x10, 0x70bd25, 0x25dfdbfb, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x5}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x28}, 0x1, 0x0, 0x0, 0x8b29ba74f3c49941}, 0x4044) r9 = openat$audio(0xffffffffffffff9c, &(0x7f0000003500)='/dev/audio\x00', 0x200000, 0x0) r10 = socket$kcm(0x2b, 0x8000000000001, 0x0) ioctl$PERF_EVENT_IOC_ENABLE(r10, 0x8912, 0x400200) r11 = openat$vcs(0xffffffffffffff9c, &(0x7f0000000000)='/dev/vcs\x00', 0x0, 0x0) r12 = socket$nl_generic(0x10, 0x3, 0x10) poll(&(0x7f0000000040)=[{r11}, {r10}, {r12}], 0x3, 0x6) sendmsg$NBD_CMD_CONNECT(r3, &(0x7f0000003600)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x80}, 0xc, &(0x7f00000035c0)={&(0x7f0000003540)={0x54, r8, 0x300, 0x70bd2b, 0x25dfdbfe, {}, [@NBD_ATTR_SOCKETS={0x2c, 0x7, [{0x8, 0x1, r9}, {0x8, 0x1, r11}, {0x8, 0x1, r0}, {0x8}, {0x8, 0x1, r0}]}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}]}, 0x54}, 0x1, 0x0, 0x0, 0x80000c0}, 0x4000000) [ 996.389191][ C1] protocol 88fb is buggy, dev hsr_slave_0 [ 996.395114][ C1] protocol 88fb is buggy, dev hsr_slave_1 10:47:30 executing program 1: r0 = perf_event_open(&(0x7f0000940000)={0x2, 0x70, 0xfffffffffffffffd, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}}, 0x0, 0x0, 0xffffffffffffffff, 0x0) mmap(&(0x7f00004da000/0x1000)=nil, 0x1000, 0x0, 0x4000012, r0, 0x0) mincore(&(0x7f00003fa000/0x200000)=nil, 0x2001ce, &(0x7f0000000000)=""/222) 10:47:31 executing program 5: r0 = socket$key(0xf, 0x3, 0x2) sendmsg$key(r0, &(0x7f0000000200)={0x0, 0x0, &(0x7f0000000000)={0x0}}, 0x3) 10:47:31 executing program 2: r0 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f00000000c0)='memory.events\x00', 0x26e1, 0x0) r1 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000100)='memory.events\x00', 0x7a05, 0x1700) r2 = socket$kcm(0x2b, 0x8000000000001, 0x0) ioctl$PERF_EVENT_IOC_ENABLE(r2, 0x8912, 0x400200) r3 = openat$vcs(0xffffffffffffff9c, &(0x7f0000000000)='/dev/vcs\x00', 0x0, 0x0) r4 = socket$nl_generic(0x10, 0x3, 0x10) poll(&(0x7f0000000040)=[{r3}, {r2}, {r4}], 0x3, 0x6) write$cgroup_subtree(r3, &(0x7f0000000600)=ANY=[@ANYPTR64], 0x8) ioctl$FS_IOC_RESVSP(r0, 0x40305828, &(0x7f00000001c0)={0x0, 0x0, 0x0, 0xcf}) ioctl$FS_IOC_RESVSP(r1, 0x40305828, &(0x7f0000000180)={0x0, 0x0, 0xae15, 0xd8a}) ioctl$FS_IOC_SETFLAGS(r1, 0x40086602, &(0x7f0000000080)=0x9) socketpair$unix(0x1, 0x1, 0x0, &(0x7f0000000180)={0xffffffffffffffff, 0xffffffffffffffff}) r6 = dup(r5) ioctl$PERF_EVENT_IOC_ENABLE(r6, 0x8912, 0x400200) r7 = socket$kcm(0x2b, 0x8000000000001, 0x0) ioctl$PERF_EVENT_IOC_ENABLE(r7, 0x8912, 0x400200) r8 = openat$vcs(0xffffffffffffff9c, &(0x7f0000000000)='/dev/vcs\x00', 0x0, 0x0) r9 = socket$nl_generic(0x10, 0x3, 0x10) poll(&(0x7f0000000040)=[{r8}, {r7}, {r9}], 0x3, 0x6) ioctl$GIO_SCRNMAP(r8, 0x4b40, &(0x7f0000000200)=""/221) fcntl$dupfd(0xffffffffffffffff, 0x0, 0xffffffffffffffff) write$cgroup_pid(r1, &(0x7f0000000000), 0xfffffea6) [ 996.699472][ C1] protocol 88fb is buggy, dev hsr_slave_0 [ 996.705301][ C1] protocol 88fb is buggy, dev hsr_slave_1 10:47:31 executing program 3: mknod(&(0x7f0000000040)='./bus\x00', 0x2000000000001003, 0x0) r0 = open(&(0x7f0000000100)='./bus\x00', 0x20000000000b04, 0x0) r1 = epoll_create(0x7) epoll_ctl$EPOLL_CTL_ADD(r1, 0x1, r0, &(0x7f00000001c0)) r2 = socket$kcm(0x2b, 0x8000000000001, 0x0) ioctl$PERF_EVENT_IOC_ENABLE(r2, 0x8912, 0x400200) r3 = openat$vcs(0xffffffffffffff9c, &(0x7f0000000000)='/dev/vcs\x00', 0x0, 0x0) r4 = socket$nl_generic(0x10, 0x3, 0x10) poll(&(0x7f0000000040)=[{r3}, {r2}, {r4}], 0x3, 0x6) r5 = socket(0x2000000000000021, 0x2, 0x10000000000002) connect$rxrpc(r5, &(0x7f0000000140)=@in4={0x21, 0x0, 0x2, 0x10, {0x2, 0x0, @rand_addr=0xdd}}, 0x24) sendmmsg(r5, &(0x7f0000005c00)=[{{0x0, 0xfffffffffffffd95, 0x0, 0x0, &(0x7f0000000000)=ANY=[@ANYBLOB="18000800000000001001000001000000ec00000000000000"], 0x18}}], 0x1, 0x0) r6 = socket$inet6(0xa, 0x3, 0x6) mmap(&(0x7f0000ffd000/0x2000)=nil, 0x2000, 0x8, 0x810, r6, 0x0) setsockopt$inet6_IPV6_FLOWLABEL_MGR(r6, 0x29, 0x20, &(0x7f0000000080)={@loopback, 0x800, 0x0, 0x100000003, 0x1, 0x0, 0x0, 0x400000000}, 0x20) setsockopt$inet6_IPV6_FLOWLABEL_MGR(r6, 0x29, 0x20, &(0x7f0000000300)={@mcast2, 0x10000, 0x0, 0x102, 0x8000003}, 0x20) setsockopt$inet6_IPV6_FLOWLABEL_MGR(r6, 0x29, 0x20, &(0x7f0000000040)={@loopback, 0x0, 0x0, 0x1, 0x3}, 0x20) connect$inet6(r6, &(0x7f0000000500)={0xa, 0x0, 0x40f7, @mcast2, 0x7ff}, 0x9) r7 = syz_open_procfs(0x0, &(0x7f0000000600)='net/ip6_flowlabel\x00n\xc01\x14\x894X\xed\xc1\xc9\xd8\xdcK\r\x8d\xae\x98&@\xd0\xe6\xbbQ\xd7\xffYn\x1c\x92\xde\x0e\xaa1\x91\x98\xe9\x1f\nMCi|+\xcdw\xf0\x176Z\xf1`\xac\xf3;\xd6d2\xeb\xe5\f\x0e\x8b\xda\xf7\xfc9\xfe\xff4\xef\'\xa19q\x93\"\x7fG3\xc1E\xe6e6\xc6\xc2u\x11% \xe7+0\x97\x84;\\\xda\xc4\x80\xc3\xb18N\xbfY%\x05\xf8\x85\x89\xfc\xd2\xd7') sendfile(r6, r7, &(0x7f0000000240)=0x202, 0x4000000000dc) r8 = syz_genetlink_get_family_id$nbd(&(0x7f0000000140)='nbd\x00') ioctl$KVM_S390_UCAS_UNMAP(r7, 0x4018ae51, &(0x7f00000000c0)={0x8000, 0x7ff, 0x2}) sendmsg$NBD_CMD_RECONFIGURE(r7, &(0x7f0000000200)={0x0, 0x0, &(0x7f00000001c0)={&(0x7f0000000180)={0x14, r8, 0xc05, 0x70bd29, 0x25dfdbff}, 0x14}, 0x1, 0x0, 0x0, 0x4}, 0x84) sendmsg$NBD_CMD_STATUS(r5, &(0x7f00000002c0)={&(0x7f0000000180)={0x10, 0x0, 0x0, 0x1000000}, 0xc, &(0x7f0000000280)={&(0x7f00000001c0)={0x28, r8, 0x10, 0x70bd25, 0x25dfdbfb, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x5}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x28}, 0x1, 0x0, 0x0, 0x8b29ba74f3c49941}, 0x4044) r9 = openat$audio(0xffffffffffffff9c, &(0x7f0000003500)='/dev/audio\x00', 0x200000, 0x0) r10 = socket$kcm(0x2b, 0x8000000000001, 0x0) ioctl$PERF_EVENT_IOC_ENABLE(r10, 0x8912, 0x400200) r11 = openat$vcs(0xffffffffffffff9c, &(0x7f0000000000)='/dev/vcs\x00', 0x0, 0x0) r12 = socket$nl_generic(0x10, 0x3, 0x10) poll(&(0x7f0000000040)=[{r11}, {r10}, {r12}], 0x3, 0x6) sendmsg$NBD_CMD_CONNECT(r3, &(0x7f0000003600)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x80}, 0xc, &(0x7f00000035c0)={&(0x7f0000003540)={0x54, r8, 0x300, 0x70bd2b, 0x25dfdbfe, {}, [@NBD_ATTR_SOCKETS={0x2c, 0x7, [{0x8, 0x1, r9}, {0x8, 0x1, r11}, {0x8, 0x1, r0}, {0x8}, {0x8, 0x1, r0}]}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}]}, 0x54}, 0x1, 0x0, 0x0, 0x80000c0}, 0x4000000) 10:47:31 executing program 5: prlimit64(0x0, 0xe, &(0x7f0000000280)={0x9, 0xff}, 0x0) pipe2$9p(&(0x7f0000000240)={0xffffffffffffffff, 0xffffffffffffffff}, 0x0) r1 = dup(r0) write$FUSE_BMAP(r1, &(0x7f0000000100)={0x18}, 0x18) write$FUSE_NOTIFY_RETRIEVE(r1, &(0x7f00000000c0)={0x14c}, 0x137) ioctl$TIOCGPGRP(r1, 0x540f, &(0x7f0000000680)) setsockopt$inet6_dccp_buf(r1, 0x21, 0xc, &(0x7f0000000080)="58b29812be62254ff3482123135abd9d2539f54d01a3c2a3e29f5248b9fb7cef27eed37e17a7b279d937fe79ef793a44a35cf0ced572b429e5a34924ca27aa1bf27644378a20436ce07eebfe33f2703f30cc64b8203601455771cfc0c86f2268ae79c07545d8e17a2a92bb5e1ce0c42b446941e2b8b388200e58835da3e66d6cd9940c259ff1508ee73f9101e19c0cc14f3e403670d80f10a511fd575c3c1e10ea4f5f9ab9ebf1821294e3c71fb11d9e917fca5ef5", 0xb5) sched_setattr(0x0, &(0x7f0000000040)={0x30, 0x2, 0x0, 0x0, 0x3}, 0x0) perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x41c1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) openat$dlm_monitor(0xffffffffffffff9c, 0x0, 0x0, 0x0) r2 = openat$kvm(0xffffffffffffff9c, &(0x7f00000001c0)='/dev/kvm\x00', 0x0, 0x0) r3 = ioctl$KVM_CREATE_VM(r2, 0xae01, 0x0) r4 = ioctl$KVM_CREATE_VCPU(r3, 0xae41, 0x0) r5 = socket$inet6(0xa, 0x1, 0x0) pipe(&(0x7f0000000080)={0xffffffffffffffff, 0xffffffffffffffff}) vmsplice(r7, &(0x7f00000000c0)=[{&(0x7f0000000180)="77690addcfbe1fbb66ec", 0xff3b}], 0x1, 0x1) close(r7) splice(r6, 0x0, r7, 0x0, 0x100000000, 0x0) r8 = socket$inet(0x2, 0x4000000805, 0x0) r9 = socket$inet_sctp(0x2, 0x5, 0x84) r10 = dup3(r8, r9, 0x0) setsockopt$inet_sctp_SCTP_SOCKOPT_BINDX_ADD(r9, 0x84, 0x64, &(0x7f0000000280)=[@in={0x2, 0x5e20, @loopback}], 0x10) sendto$inet(r10, &(0x7f0000fa3fff)='\t', 0x1, 0x0, &(0x7f00006f7000)={0x2, 0x0, @remote={0xac, 0x14, 0xffffffffffffffff}}, 0x10) getsockopt$inet_sctp6_SCTP_PR_SUPPORTED(0xffffffffffffffff, 0x84, 0x71, &(0x7f0000000140), &(0x7f0000000180)=0x8) getsockopt$inet_sctp6_SCTP_GET_LOCAL_ADDRS(0xffffffffffffffff, 0x84, 0x6d, &(0x7f00000003c0)=ANY=[@ANYRES32, @ANYBLOB="b90000002a0ddea5850118cb4f917d617af931b24f02432d889c0ccbf8c65774ae300dae3cc4c15aaf652eafe7edc367cdd56d14a2bcb50ab813b0ddd661ae158e14813538d8258c21b1d64d36620bf622482f37866bac9fbaaa0514d84b9477247ea9f9c834413ec27ae8295540533b4ea93b97cbce7ede8a5421a3e86544181c4b193d60f5e5d8c539a3f0327a64600732a6ba36c9f4240233559ee9e8ed68040f30591e84612c13bdd5df9791812ea92fb4c3e52a0e9bcbf6519c5c46f9e4a01fb1f89fe5"], &(0x7f0000000340)=0xc1) setsockopt$inet_sctp6_SCTP_ENABLE_STREAM_RESET(r5, 0x84, 0x76, &(0x7f0000000380)={0x0, 0x4}, 0x8) setsockopt$inet_sctp6_SCTP_AUTH_KEY(0xffffffffffffffff, 0x84, 0x17, &(0x7f0000000140)={0x0, 0x0, 0x9, "c83a7e32a11cbb2b45"}, 0x11) openat$sequencer2(0xffffffffffffff9c, 0x0, 0x0, 0x0) syz_kvm_setup_cpu$x86(0xffffffffffffffff, r4, &(0x7f0000fe8000/0x18000)=nil, 0x0, 0x0, 0x0, 0x0, 0x0) 10:47:31 executing program 1: r0 = perf_event_open(&(0x7f0000940000)={0x2, 0x70, 0xfffffffffffffffd, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}}, 0x0, 0x0, 0xffffffffffffffff, 0x0) mmap(&(0x7f00004da000/0x1000)=nil, 0x1000, 0x0, 0x4000012, r0, 0x0) mincore(&(0x7f00003fa000/0x200000)=nil, 0x2001cf, &(0x7f0000000000)=""/222) 10:47:31 executing program 5: prlimit64(0x0, 0xe, &(0x7f0000000280)={0x9, 0xff}, 0x0) pipe2$9p(&(0x7f0000000240)={0xffffffffffffffff, 0xffffffffffffffff}, 0x0) r1 = dup(r0) write$FUSE_BMAP(r1, &(0x7f0000000100)={0x18}, 0x18) write$FUSE_NOTIFY_RETRIEVE(r1, &(0x7f00000000c0)={0x14c}, 0x137) ioctl$TIOCGPGRP(r1, 0x540f, &(0x7f0000000680)) setsockopt$inet6_dccp_buf(r1, 0x21, 0xc, &(0x7f0000000080)="58b29812be62254ff3482123135abd9d2539f54d01a3c2a3e29f5248b9fb7cef27eed37e17a7b279d937fe79ef793a44a35cf0ced572b429e5a34924ca27aa1bf27644378a20436ce07eebfe33f2703f30cc64b8203601455771cfc0c86f2268ae79c07545d8e17a2a92bb5e1ce0c42b446941e2b8b388200e58835da3e66d6cd9940c259ff1508ee73f9101e19c0cc14f3e403670d80f10a511fd575c3c1e10ea4f5f9ab9ebf1821294e3c71fb11d9e917fca5ef5", 0xb5) sched_setattr(0x0, &(0x7f0000000040)={0x30, 0x2, 0x0, 0x0, 0x3}, 0x0) perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x41c1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) openat$dlm_monitor(0xffffffffffffff9c, 0x0, 0x0, 0x0) r2 = openat$kvm(0xffffffffffffff9c, &(0x7f00000001c0)='/dev/kvm\x00', 0x0, 0x0) r3 = ioctl$KVM_CREATE_VM(r2, 0xae01, 0x0) r4 = ioctl$KVM_CREATE_VCPU(r3, 0xae41, 0x0) r5 = socket$inet6(0xa, 0x1, 0x0) pipe(&(0x7f0000000080)={0xffffffffffffffff, 0xffffffffffffffff}) vmsplice(r7, &(0x7f00000000c0)=[{&(0x7f0000000180)="77690addcfbe1fbb66ec", 0xff3b}], 0x1, 0x1) close(r7) splice(r6, 0x0, r7, 0x0, 0x100000000, 0x0) r8 = socket$inet(0x2, 0x4000000805, 0x0) r9 = socket$inet_sctp(0x2, 0x5, 0x84) r10 = dup3(r8, r9, 0x0) setsockopt$inet_sctp_SCTP_SOCKOPT_BINDX_ADD(r9, 0x84, 0x64, &(0x7f0000000280)=[@in={0x2, 0x5e20, @loopback}], 0x10) sendto$inet(r10, &(0x7f0000fa3fff)='\t', 0x1, 0x0, &(0x7f00006f7000)={0x2, 0x0, @remote={0xac, 0x14, 0xffffffffffffffff}}, 0x10) getsockopt$inet_sctp6_SCTP_PR_SUPPORTED(0xffffffffffffffff, 0x84, 0x71, &(0x7f0000000140), &(0x7f0000000180)=0x8) getsockopt$inet_sctp6_SCTP_GET_LOCAL_ADDRS(0xffffffffffffffff, 0x84, 0x6d, &(0x7f00000003c0)=ANY=[@ANYRES32, @ANYBLOB="b90000002a0ddea5850118cb4f917d617af931b24f02432d889c0ccbf8c65774ae300dae3cc4c15aaf652eafe7edc367cdd56d14a2bcb50ab813b0ddd661ae158e14813538d8258c21b1d64d36620bf622482f37866bac9fbaaa0514d84b9477247ea9f9c834413ec27ae8295540533b4ea93b97cbce7ede8a5421a3e86544181c4b193d60f5e5d8c539a3f0327a64600732a6ba36c9f4240233559ee9e8ed68040f30591e84612c13bdd5df9791812ea92fb4c3e52a0e9bcbf6519c5c46f9e4a01fb1f89fe5"], &(0x7f0000000340)=0xc1) setsockopt$inet_sctp6_SCTP_ENABLE_STREAM_RESET(r5, 0x84, 0x76, &(0x7f0000000380)={0x0, 0x4}, 0x8) setsockopt$inet_sctp6_SCTP_AUTH_KEY(0xffffffffffffffff, 0x84, 0x17, &(0x7f0000000140)={0x0, 0x0, 0x9, "c83a7e32a11cbb2b45"}, 0x11) openat$sequencer2(0xffffffffffffff9c, 0x0, 0x0, 0x0) syz_kvm_setup_cpu$x86(0xffffffffffffffff, r4, &(0x7f0000fe8000/0x18000)=nil, 0x0, 0x0, 0x0, 0x0, 0x0) [ 997.099188][ C1] protocol 88fb is buggy, dev hsr_slave_0 [ 997.104996][ C1] protocol 88fb is buggy, dev hsr_slave_1 10:47:31 executing program 3: mknod(&(0x7f0000000040)='./bus\x00', 0x2000000000001003, 0x0) r0 = open(&(0x7f0000000100)='./bus\x00', 0x20000000000b04, 0x0) r1 = epoll_create(0x7) epoll_ctl$EPOLL_CTL_ADD(r1, 0x1, r0, &(0x7f00000001c0)) r2 = socket$kcm(0x2b, 0x8000000000001, 0x0) ioctl$PERF_EVENT_IOC_ENABLE(r2, 0x8912, 0x400200) r3 = openat$vcs(0xffffffffffffff9c, &(0x7f0000000000)='/dev/vcs\x00', 0x0, 0x0) r4 = socket$nl_generic(0x10, 0x3, 0x10) poll(&(0x7f0000000040)=[{r3}, {r2}, {r4}], 0x3, 0x6) r5 = socket(0x2000000000000021, 0x2, 0x10000000000002) connect$rxrpc(r5, &(0x7f0000000140)=@in4={0x21, 0x0, 0x2, 0x10, {0x2, 0x0, @rand_addr=0xdd}}, 0x24) sendmmsg(r5, &(0x7f0000005c00)=[{{0x0, 0xfffffffffffffd95, 0x0, 0x0, &(0x7f0000000000)=ANY=[@ANYBLOB="18000800000000001001000001000000ec00000000000000"], 0x18}}], 0x1, 0x0) r6 = socket$inet6(0xa, 0x3, 0x6) mmap(&(0x7f0000ffd000/0x2000)=nil, 0x2000, 0x8, 0x810, r6, 0x0) setsockopt$inet6_IPV6_FLOWLABEL_MGR(r6, 0x29, 0x20, &(0x7f0000000080)={@loopback, 0x800, 0x0, 0x100000003, 0x1, 0x0, 0x0, 0x400000000}, 0x20) setsockopt$inet6_IPV6_FLOWLABEL_MGR(r6, 0x29, 0x20, &(0x7f0000000300)={@mcast2, 0x10000, 0x0, 0x102, 0x8000003}, 0x20) setsockopt$inet6_IPV6_FLOWLABEL_MGR(r6, 0x29, 0x20, &(0x7f0000000040)={@loopback, 0x0, 0x0, 0x1, 0x3}, 0x20) connect$inet6(r6, &(0x7f0000000500)={0xa, 0x0, 0x40f7, @mcast2, 0x7ff}, 0x9) r7 = syz_open_procfs(0x0, &(0x7f0000000600)='net/ip6_flowlabel\x00n\xc01\x14\x894X\xed\xc1\xc9\xd8\xdcK\r\x8d\xae\x98&@\xd0\xe6\xbbQ\xd7\xffYn\x1c\x92\xde\x0e\xaa1\x91\x98\xe9\x1f\nMCi|+\xcdw\xf0\x176Z\xf1`\xac\xf3;\xd6d2\xeb\xe5\f\x0e\x8b\xda\xf7\xfc9\xfe\xff4\xef\'\xa19q\x93\"\x7fG3\xc1E\xe6e6\xc6\xc2u\x11% \xe7+0\x97\x84;\\\xda\xc4\x80\xc3\xb18N\xbfY%\x05\xf8\x85\x89\xfc\xd2\xd7') sendfile(r6, r7, &(0x7f0000000240)=0x202, 0x4000000000dc) r8 = syz_genetlink_get_family_id$nbd(&(0x7f0000000140)='nbd\x00') ioctl$KVM_S390_UCAS_UNMAP(r7, 0x4018ae51, &(0x7f00000000c0)={0x8000, 0x7ff, 0x2}) sendmsg$NBD_CMD_RECONFIGURE(r7, &(0x7f0000000200)={&(0x7f0000000100), 0xc, &(0x7f00000001c0)={&(0x7f0000000180)={0x1ce, r8, 0xc05, 0x70bd29, 0x25dfdbff}, 0x14}, 0x1, 0x0, 0x0, 0x4}, 0x84) sendmsg$NBD_CMD_STATUS(r5, &(0x7f00000002c0)={&(0x7f0000000180)={0x10, 0x0, 0x0, 0x1000000}, 0xc, &(0x7f0000000280)={&(0x7f00000001c0)={0x28, r8, 0x10, 0x70bd25, 0x25dfdbfb, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x5}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x28}, 0x1, 0x0, 0x0, 0x8b29ba74f3c49941}, 0x4044) r9 = openat$audio(0xffffffffffffff9c, &(0x7f0000003500)='/dev/audio\x00', 0x200000, 0x0) r10 = socket$kcm(0x2b, 0x8000000000001, 0x0) ioctl$PERF_EVENT_IOC_ENABLE(r10, 0x8912, 0x400200) r11 = openat$vcs(0xffffffffffffff9c, &(0x7f0000000000)='/dev/vcs\x00', 0x0, 0x0) r12 = socket$nl_generic(0x10, 0x3, 0x10) poll(&(0x7f0000000040)=[{r11}, {r10}, {r12}], 0x3, 0x6) sendmsg$NBD_CMD_CONNECT(r3, &(0x7f0000003600)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x80}, 0xc, &(0x7f00000035c0)={&(0x7f0000003540)={0x54, r8, 0x300, 0x70bd2b, 0x25dfdbfe, {}, [@NBD_ATTR_SOCKETS={0x2c, 0x7, [{0x8, 0x1, r9}, {0x8, 0x1, r11}, {0x8, 0x1, r0}, {0x8}, {0x8, 0x1, r0}]}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}]}, 0x54}, 0x1, 0x0, 0x0, 0x80000c0}, 0x4000000) 10:47:31 executing program 1: r0 = perf_event_open(&(0x7f0000940000)={0x2, 0x70, 0xfffffffffffffffd, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}}, 0x0, 0x0, 0xffffffffffffffff, 0x0) mmap(&(0x7f00004da000/0x1000)=nil, 0x1000, 0x0, 0x4000012, r0, 0x0) mincore(&(0x7f00003fa000/0x200000)=nil, 0x2001d0, &(0x7f0000000000)=""/222) 10:47:31 executing program 5: r0 = socket$inet_icmp_raw(0x2, 0x3, 0x1) r1 = dup(r0) ioctl$PERF_EVENT_IOC_ENABLE(r1, 0x8912, 0x400200) r2 = openat$mixer(0xffffffffffffff9c, &(0x7f0000000000)='/dev/mixer\x00', 0x0, 0x0) ioctl$UFFDIO_REGISTER(r2, 0xc020aa00, &(0x7f0000000040)={{&(0x7f0000ff9000/0x4000)=nil, 0x4000}}) 10:47:31 executing program 2: r0 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f00000000c0)='memory.events\x00', 0x26e1, 0x0) r1 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000100)='memory.events\x00', 0x7a05, 0x1700) write$cgroup_subtree(r0, &(0x7f0000000600)=ANY=[@ANYPTR64], 0xfe9d) getsockopt$inet_IP_IPSEC_POLICY(r1, 0x0, 0x10, &(0x7f0000000200)={{{@in=@loopback, @in6, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0}}, {{@in=@multicast2}, 0x0, @in6=@ipv4={[], [], @empty}}}, &(0x7f0000000140)=0xe8) r3 = socket$inet_udplite(0x2, 0x2, 0x88) getsockopt$sock_cred(r3, 0x1, 0x11, &(0x7f0000000240)={0x0, 0x0}, &(0x7f0000000280)=0x5) setuid(r4) r5 = geteuid() r6 = socket$kcm(0x2b, 0x8000000000001, 0x0) ioctl$PERF_EVENT_IOC_ENABLE(r6, 0x8912, 0x400200) r7 = openat$vcs(0xffffffffffffff9c, &(0x7f0000000000)='/dev/vcs\x00', 0x0, 0x0) r8 = socket$nl_generic(0x10, 0x3, 0x10) poll(&(0x7f0000000040)=[{r7}, {r6}, {r8}], 0x3, 0x6) getsockopt$inet_IP_IPSEC_POLICY(r7, 0x0, 0x10, &(0x7f0000000300)={{{@in6, @in6, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0}}, {{@in=@local}, 0x0, @in=@dev}}, &(0x7f0000000400)=0xe8) r10 = geteuid() r11 = getegid() fsetxattr$system_posix_acl(r0, &(0x7f0000000040)='system.posix_acl_default\x00', &(0x7f0000000440)={{}, {0x1, 0x1}, [{0x2, 0x4, r2}, {0x2, 0x2, r4}, {0x2, 0x5, r5}, {0x2, 0x4, r9}, {0x2, 0x0, r10}], {}, [{0x8, 0xf, r11}, {0x8, 0x1}], {0x10, 0x1}, {0x20, 0x4}}, 0x5c, 0x3) ioctl$FS_IOC_RESVSP(r0, 0x40305828, &(0x7f00000001c0)={0x0, 0x0, 0x0, 0xcf}) ioctl$FS_IOC_RESVSP(r1, 0x40305828, &(0x7f0000000180)={0x0, 0x0, 0xae15, 0xd8a}) ioctl$FS_IOC_SETFLAGS(r1, 0x40086602, &(0x7f0000000080)=0x9) socketpair$unix(0x1, 0x1, 0x0, &(0x7f0000000180)={0xffffffffffffffff, 0xffffffffffffffff}) r13 = dup(r12) ioctl$PERF_EVENT_IOC_ENABLE(r13, 0x8912, 0x400200) fcntl$dupfd(0xffffffffffffffff, 0x0, 0xffffffffffffffff) r14 = socket$kcm(0x2b, 0x8000000000001, 0x0) ioctl$PERF_EVENT_IOC_ENABLE(r14, 0x8912, 0x400200) r15 = openat$vcs(0xffffffffffffff9c, &(0x7f0000000000)='/dev/vcs\x00', 0x0, 0x0) r16 = socket$nl_generic(0x10, 0x3, 0x10) poll(&(0x7f0000000040)=[{r15}, {r14}, {r16}], 0x3, 0x6) getsockopt$inet_sctp_SCTP_RTOINFO(r15, 0x84, 0x0, &(0x7f00000004c0)={0x0, 0x8, 0x5, 0x3}, &(0x7f0000000500)=0x10) write$cgroup_pid(r1, &(0x7f0000000000), 0xfffffea6) 10:47:31 executing program 5: r0 = socket$inet6(0xa, 0x80003, 0xff) ioctl(r0, 0x1000008912, &(0x7f0000000080)="0800b5055e0bcfe87b2071") r1 = socket$inet6(0xa, 0x80003, 0xff) setsockopt$IP6T_SO_SET_ADD_COUNTERS(r1, 0x29, 0x41, &(0x7f0000000000)={'nat\x00', 0x2, [{}, {}]}, 0x48) 10:47:31 executing program 3: mknod(&(0x7f0000000040)='./bus\x00', 0x2000000000001003, 0x0) r0 = open(&(0x7f0000000100)='./bus\x00', 0x20000000000b04, 0x0) r1 = epoll_create(0x7) epoll_ctl$EPOLL_CTL_ADD(r1, 0x1, r0, &(0x7f00000001c0)) r2 = socket$kcm(0x2b, 0x8000000000001, 0x0) ioctl$PERF_EVENT_IOC_ENABLE(r2, 0x8912, 0x400200) r3 = openat$vcs(0xffffffffffffff9c, &(0x7f0000000000)='/dev/vcs\x00', 0x0, 0x0) r4 = socket$nl_generic(0x10, 0x3, 0x10) poll(&(0x7f0000000040)=[{r3}, {r2}, {r4}], 0x3, 0x6) r5 = socket(0x2000000000000021, 0x2, 0x10000000000002) connect$rxrpc(r5, &(0x7f0000000140)=@in4={0x21, 0x0, 0x2, 0x10, {0x2, 0x0, @rand_addr=0xdd}}, 0x24) sendmmsg(r5, &(0x7f0000005c00)=[{{0x0, 0xfffffffffffffd95, 0x0, 0x0, &(0x7f0000000000)=ANY=[@ANYBLOB="18000800000000001001000001000000ec00000000000000"], 0x18}}], 0x1, 0x0) r6 = socket$inet6(0xa, 0x3, 0x6) mmap(&(0x7f0000ffd000/0x2000)=nil, 0x2000, 0x8, 0x810, r6, 0x0) setsockopt$inet6_IPV6_FLOWLABEL_MGR(r6, 0x29, 0x20, &(0x7f0000000080)={@loopback, 0x800, 0x0, 0x100000003, 0x1, 0x0, 0x0, 0x400000000}, 0x20) setsockopt$inet6_IPV6_FLOWLABEL_MGR(r6, 0x29, 0x20, &(0x7f0000000300)={@mcast2, 0x10000, 0x0, 0x102, 0x8000003}, 0x20) setsockopt$inet6_IPV6_FLOWLABEL_MGR(r6, 0x29, 0x20, &(0x7f0000000040)={@loopback, 0x0, 0x0, 0x1, 0x3}, 0x20) connect$inet6(r6, &(0x7f0000000500)={0xa, 0x0, 0x40f7, @mcast2, 0x7ff}, 0x9) r7 = syz_open_procfs(0x0, &(0x7f0000000600)='net/ip6_flowlabel\x00n\xc01\x14\x894X\xed\xc1\xc9\xd8\xdcK\r\x8d\xae\x98&@\xd0\xe6\xbbQ\xd7\xffYn\x1c\x92\xde\x0e\xaa1\x91\x98\xe9\x1f\nMCi|+\xcdw\xf0\x176Z\xf1`\xac\xf3;\xd6d2\xeb\xe5\f\x0e\x8b\xda\xf7\xfc9\xfe\xff4\xef\'\xa19q\x93\"\x7fG3\xc1E\xe6e6\xc6\xc2u\x11% \xe7+0\x97\x84;\\\xda\xc4\x80\xc3\xb18N\xbfY%\x05\xf8\x85\x89\xfc\xd2\xd7') sendfile(r6, r7, &(0x7f0000000240)=0x202, 0x4000000000dc) r8 = syz_genetlink_get_family_id$nbd(&(0x7f0000000140)='nbd\x00') ioctl$KVM_S390_UCAS_UNMAP(r7, 0x4018ae51, &(0x7f00000000c0)={0x8000, 0x7ff, 0x2}) sendmsg$NBD_CMD_RECONFIGURE(r7, &(0x7f0000000200)={&(0x7f0000000100), 0xc, &(0x7f00000001c0)={&(0x7f0000000180)={0x1ce, r8, 0xc05, 0x70bd29, 0x25dfdbff}, 0x14}, 0x1, 0x0, 0x0, 0x4}, 0x84) sendmsg$NBD_CMD_STATUS(r5, &(0x7f00000002c0)={&(0x7f0000000180)={0x10, 0x0, 0x0, 0x1000000}, 0xc, &(0x7f0000000280)={&(0x7f00000001c0)={0x28, r8, 0x10, 0x70bd25, 0x25dfdbfb, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x5}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x28}, 0x1, 0x0, 0x0, 0x8b29ba74f3c49941}, 0x4044) r9 = openat$audio(0xffffffffffffff9c, &(0x7f0000003500)='/dev/audio\x00', 0x200000, 0x0) r10 = socket$kcm(0x2b, 0x8000000000001, 0x0) ioctl$PERF_EVENT_IOC_ENABLE(r10, 0x8912, 0x400200) r11 = openat$vcs(0xffffffffffffff9c, &(0x7f0000000000)='/dev/vcs\x00', 0x0, 0x0) r12 = socket$nl_generic(0x10, 0x3, 0x10) poll(&(0x7f0000000040)=[{r11}, {r10}, {r12}], 0x3, 0x6) sendmsg$NBD_CMD_CONNECT(r3, &(0x7f0000003600)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x80}, 0xc, &(0x7f00000035c0)={&(0x7f0000003540)={0x54, r8, 0x300, 0x70bd2b, 0x25dfdbfe, {}, [@NBD_ATTR_SOCKETS={0x2c, 0x7, [{0x8, 0x1, r9}, {0x8, 0x1, r11}, {0x8, 0x1, r0}, {0x8}, {0x8, 0x1, r0}]}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}]}, 0x54}, 0x1, 0x0, 0x0, 0x80000c0}, 0x4000000) 10:47:32 executing program 1: r0 = perf_event_open(&(0x7f0000940000)={0x2, 0x70, 0xfffffffffffffffd, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}}, 0x0, 0x0, 0xffffffffffffffff, 0x0) mmap(&(0x7f00004da000/0x1000)=nil, 0x1000, 0x0, 0x4000012, r0, 0x0) mincore(&(0x7f00003fa000/0x200000)=nil, 0x2001d1, &(0x7f0000000000)=""/222) 10:47:32 executing program 5: rt_sigprocmask(0x0, &(0x7f0000000040)={0xfffffffffffffffc}, 0x0, 0x8) r0 = gettid() timer_create(0x0, &(0x7f0000044000)={0x0, 0x14, 0x4, @tid=r0}, &(0x7f0000044000)) timer_settime(0x0, 0x1, &(0x7f00000000c0)={{0x0, 0x8}, {0x0, 0x989680}}, 0x0) timer_settime(0x0, 0x0, &(0x7f0000000000)={{0x0, 0x1c9c380}}, 0x0) rt_sigtimedwait(&(0x7f00005a1000)={0xfffffffffffffffd}, 0x0, 0x0, 0x8) 10:47:32 executing program 5: rt_sigprocmask(0x0, &(0x7f0000000040)={0xfffffffffffffffc}, 0x0, 0x8) r0 = gettid() timer_create(0x0, &(0x7f0000044000)={0x0, 0x14, 0x4, @tid=r0}, &(0x7f0000044000)) timer_settime(0x0, 0x1, &(0x7f00000000c0)={{0x0, 0x8}, {0x0, 0x989680}}, 0x0) timer_settime(0x0, 0x0, &(0x7f0000000000)={{0x0, 0x1c9c380}}, 0x0) rt_sigtimedwait(&(0x7f00005a1000)={0xfffffffffffffffd}, 0x0, 0x0, 0x8) 10:47:32 executing program 3: mknod(&(0x7f0000000040)='./bus\x00', 0x2000000000001003, 0x0) r0 = open(&(0x7f0000000100)='./bus\x00', 0x20000000000b04, 0x0) r1 = epoll_create(0x7) epoll_ctl$EPOLL_CTL_ADD(r1, 0x1, r0, &(0x7f00000001c0)) r2 = socket$kcm(0x2b, 0x8000000000001, 0x0) ioctl$PERF_EVENT_IOC_ENABLE(r2, 0x8912, 0x400200) r3 = openat$vcs(0xffffffffffffff9c, &(0x7f0000000000)='/dev/vcs\x00', 0x0, 0x0) r4 = socket$nl_generic(0x10, 0x3, 0x10) poll(&(0x7f0000000040)=[{r3}, {r2}, {r4}], 0x3, 0x6) r5 = socket(0x2000000000000021, 0x2, 0x10000000000002) connect$rxrpc(r5, &(0x7f0000000140)=@in4={0x21, 0x0, 0x2, 0x10, {0x2, 0x0, @rand_addr=0xdd}}, 0x24) sendmmsg(r5, &(0x7f0000005c00)=[{{0x0, 0xfffffffffffffd95, 0x0, 0x0, &(0x7f0000000000)=ANY=[@ANYBLOB="18000800000000001001000001000000ec00000000000000"], 0x18}}], 0x1, 0x0) r6 = socket$inet6(0xa, 0x3, 0x6) mmap(&(0x7f0000ffd000/0x2000)=nil, 0x2000, 0x8, 0x810, r6, 0x0) setsockopt$inet6_IPV6_FLOWLABEL_MGR(r6, 0x29, 0x20, &(0x7f0000000080)={@loopback, 0x800, 0x0, 0x100000003, 0x1, 0x0, 0x0, 0x400000000}, 0x20) setsockopt$inet6_IPV6_FLOWLABEL_MGR(r6, 0x29, 0x20, &(0x7f0000000300)={@mcast2, 0x10000, 0x0, 0x102, 0x8000003}, 0x20) setsockopt$inet6_IPV6_FLOWLABEL_MGR(r6, 0x29, 0x20, &(0x7f0000000040)={@loopback, 0x0, 0x0, 0x1, 0x3}, 0x20) connect$inet6(r6, &(0x7f0000000500)={0xa, 0x0, 0x40f7, @mcast2, 0x7ff}, 0x9) r7 = syz_open_procfs(0x0, &(0x7f0000000600)='net/ip6_flowlabel\x00n\xc01\x14\x894X\xed\xc1\xc9\xd8\xdcK\r\x8d\xae\x98&@\xd0\xe6\xbbQ\xd7\xffYn\x1c\x92\xde\x0e\xaa1\x91\x98\xe9\x1f\nMCi|+\xcdw\xf0\x176Z\xf1`\xac\xf3;\xd6d2\xeb\xe5\f\x0e\x8b\xda\xf7\xfc9\xfe\xff4\xef\'\xa19q\x93\"\x7fG3\xc1E\xe6e6\xc6\xc2u\x11% \xe7+0\x97\x84;\\\xda\xc4\x80\xc3\xb18N\xbfY%\x05\xf8\x85\x89\xfc\xd2\xd7') sendfile(r6, r7, &(0x7f0000000240)=0x202, 0x4000000000dc) r8 = syz_genetlink_get_family_id$nbd(&(0x7f0000000140)='nbd\x00') ioctl$KVM_S390_UCAS_UNMAP(r7, 0x4018ae51, &(0x7f00000000c0)={0x8000, 0x7ff, 0x2}) sendmsg$NBD_CMD_RECONFIGURE(r7, &(0x7f0000000200)={&(0x7f0000000100), 0xc, &(0x7f00000001c0)={&(0x7f0000000180)={0x1ce, r8, 0xc05, 0x70bd29, 0x25dfdbff}, 0x14}, 0x1, 0x0, 0x0, 0x4}, 0x84) sendmsg$NBD_CMD_STATUS(r5, &(0x7f00000002c0)={&(0x7f0000000180)={0x10, 0x0, 0x0, 0x1000000}, 0xc, &(0x7f0000000280)={&(0x7f00000001c0)={0x28, r8, 0x10, 0x70bd25, 0x25dfdbfb, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x5}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x28}, 0x1, 0x0, 0x0, 0x8b29ba74f3c49941}, 0x4044) r9 = openat$audio(0xffffffffffffff9c, &(0x7f0000003500)='/dev/audio\x00', 0x200000, 0x0) r10 = socket$kcm(0x2b, 0x8000000000001, 0x0) ioctl$PERF_EVENT_IOC_ENABLE(r10, 0x8912, 0x400200) r11 = openat$vcs(0xffffffffffffff9c, &(0x7f0000000000)='/dev/vcs\x00', 0x0, 0x0) r12 = socket$nl_generic(0x10, 0x3, 0x10) poll(&(0x7f0000000040)=[{r11}, {r10}, {r12}], 0x3, 0x6) sendmsg$NBD_CMD_CONNECT(r3, &(0x7f0000003600)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x80}, 0xc, &(0x7f00000035c0)={&(0x7f0000003540)={0x54, r8, 0x300, 0x70bd2b, 0x25dfdbfe, {}, [@NBD_ATTR_SOCKETS={0x2c, 0x7, [{0x8, 0x1, r9}, {0x8, 0x1, r11}, {0x8, 0x1, r0}, {0x8}, {0x8, 0x1, r0}]}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}]}, 0x54}, 0x1, 0x0, 0x0, 0x80000c0}, 0x4000000) 10:47:32 executing program 2: r0 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f00000003c0)='cpuset.effective_mems\x00', 0x26e1, 0x0) r1 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000100)='memory.events\x00', 0x7a05, 0x1700) write$cgroup_subtree(r0, &(0x7f0000000600)=ANY=[@ANYPTR64], 0xfe9d) ioctl$FS_IOC_RESVSP(r0, 0x40305828, &(0x7f00000001c0)={0x0, 0x3, 0x0, 0xcf}) ioctl$FS_IOC_RESVSP(r1, 0x40305828, &(0x7f0000000180)={0x0, 0x1, 0xae15, 0xd8a}) ioctl$FS_IOC_SETFLAGS(r1, 0x40086602, &(0x7f0000000080)=0x9) socketpair$unix(0x1, 0x1, 0x0, &(0x7f0000000180)={0xffffffffffffffff, 0xffffffffffffffff}) r3 = dup(r2) ioctl$PERF_EVENT_IOC_ENABLE(r3, 0x8912, 0x400200) r4 = fcntl$dupfd(0xffffffffffffffff, 0x0, 0xffffffffffffffff) write$cgroup_pid(r1, &(0x7f0000000000), 0xfffffea6) r5 = socket$kcm(0x2b, 0x8000000000001, 0x0) ioctl$PERF_EVENT_IOC_ENABLE(r5, 0x8912, 0x400200) r6 = openat$vcs(0xffffffffffffff9c, &(0x7f0000000000)='/dev/vcs\x00', 0x0, 0x0) r7 = socket$nl_generic(0x10, 0x3, 0x10) poll(&(0x7f0000000040)=[{r6}, {r5}, {r7}], 0x3, 0x6) r8 = socket$inet6(0xa, 0x2, 0x0) connect$inet6(r8, &(0x7f0000003a40)={0xa, 0x4e24, 0x0, @ipv4={[], [], @loopback}}, 0x1c) sendmmsg(r8, &(0x7f00000092c0), 0x4ff, 0xbb8) r9 = socket$inet6_sctp(0xa, 0x5, 0x84) setsockopt$inet_sctp6_SCTP_SOCKOPT_CONNECTX(r9, 0x84, 0x6e, &(0x7f0000961fe4)=[@in={0x2, 0x0, @dev}], 0x10) getsockopt$inet_sctp6_SCTP_GET_ASSOC_ID_LIST(r9, 0x84, 0x1d, &(0x7f000095dff8)=ANY=[@ANYBLOB="01200000", @ANYRES32=0x0], &(0x7f000095dffc)=0x8) r11 = socket$inet6_dccp(0xa, 0x6, 0x0) getsockopt$inet6_int(r11, 0x29, 0x3c, 0x0, &(0x7f00000015c0)) r12 = signalfd(r11, &(0x7f0000000380)={0xc8e2}, 0x8) fcntl$getflags(r12, 0x401) setsockopt$inet_sctp6_SCTP_PEER_ADDR_THLDS(r9, 0x84, 0x1f, &(0x7f0000000000)={r10, @in, 0xa9}, 0x90) getsockopt$inet_sctp6_SCTP_RECONFIG_SUPPORTED(r8, 0x84, 0x75, &(0x7f0000000100)={r10, 0x7ff}, &(0x7f0000000200)=0x8) getsockopt$inet_sctp_SCTP_GET_PEER_ADDR_INFO(r4, 0x84, 0xf, &(0x7f0000000200)={r10, @in6={{0xa, 0x4e23, 0x3, @mcast2, 0x3c0}}, 0x1, 0xbf1c, 0x0, 0xa4, 0xfffffe00}, &(0x7f0000000040)=0x98) getsockopt$inet_sctp6_SCTP_GET_PEER_ADDR_INFO(r6, 0x84, 0xf, &(0x7f00000002c0)={r13, @in6={{0xa, 0x4e23, 0x3, @dev={0xfe, 0x80, [], 0x21}, 0x6}}, 0x6, 0x4, 0xb5, 0x0, 0x5}, &(0x7f0000000140)=0x98) 10:47:32 executing program 5: rt_sigprocmask(0x0, &(0x7f0000000040)={0xfffffffffffffffc}, 0x0, 0x8) r0 = gettid() timer_create(0x0, &(0x7f0000044000)={0x0, 0x14, 0x4, @tid=r0}, &(0x7f0000044000)) timer_settime(0x0, 0x1, &(0x7f00000000c0)={{0x0, 0x8}, {0x0, 0x989680}}, 0x0) timer_settime(0x0, 0x0, &(0x7f0000000000)={{0x0, 0x1c9c380}}, 0x0) rt_sigtimedwait(&(0x7f00005a1000)={0xfffffffffffffffd}, 0x0, 0x0, 0x8) 10:47:32 executing program 1: r0 = perf_event_open(&(0x7f0000940000)={0x2, 0x70, 0xfffffffffffffffd, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}}, 0x0, 0x0, 0xffffffffffffffff, 0x0) mmap(&(0x7f00004da000/0x1000)=nil, 0x1000, 0x0, 0x4000012, r0, 0x0) mincore(&(0x7f00003fa000/0x200000)=nil, 0x2001d2, &(0x7f0000000000)=""/222) [ 997.979200][ C0] protocol 88fb is buggy, dev hsr_slave_0 [ 997.985002][ C0] protocol 88fb is buggy, dev hsr_slave_1 10:47:32 executing program 5: rt_sigprocmask(0x0, &(0x7f0000000040)={0xfffffffffffffffc}, 0x0, 0x8) r0 = gettid() timer_create(0x0, &(0x7f0000044000)={0x0, 0x14, 0x4, @tid=r0}, &(0x7f0000044000)) timer_settime(0x0, 0x1, &(0x7f00000000c0)={{0x0, 0x8}, {0x0, 0x989680}}, 0x0) timer_settime(0x0, 0x0, &(0x7f0000000000)={{0x0, 0x1c9c380}}, 0x0) rt_sigtimedwait(&(0x7f00005a1000)={0xfffffffffffffffd}, 0x0, 0x0, 0x8) 10:47:32 executing program 3: mknod(&(0x7f0000000040)='./bus\x00', 0x2000000000001003, 0x0) r0 = open(&(0x7f0000000100)='./bus\x00', 0x20000000000b04, 0x0) r1 = epoll_create(0x7) epoll_ctl$EPOLL_CTL_ADD(r1, 0x1, r0, &(0x7f00000001c0)) r2 = socket$kcm(0x2b, 0x8000000000001, 0x0) ioctl$PERF_EVENT_IOC_ENABLE(r2, 0x8912, 0x400200) r3 = openat$vcs(0xffffffffffffff9c, &(0x7f0000000000)='/dev/vcs\x00', 0x0, 0x0) r4 = socket$nl_generic(0x10, 0x3, 0x10) poll(&(0x7f0000000040)=[{r3}, {r2}, {r4}], 0x3, 0x6) r5 = socket(0x2000000000000021, 0x2, 0x10000000000002) connect$rxrpc(r5, &(0x7f0000000140)=@in4={0x21, 0x0, 0x2, 0x10, {0x2, 0x0, @rand_addr=0xdd}}, 0x24) sendmmsg(r5, &(0x7f0000005c00)=[{{0x0, 0xfffffffffffffd95, 0x0, 0x0, &(0x7f0000000000)=ANY=[@ANYBLOB="18000800000000001001000001000000ec00000000000000"], 0x18}}], 0x1, 0x0) r6 = socket$inet6(0xa, 0x3, 0x6) mmap(&(0x7f0000ffd000/0x2000)=nil, 0x2000, 0x8, 0x810, r6, 0x0) setsockopt$inet6_IPV6_FLOWLABEL_MGR(r6, 0x29, 0x20, &(0x7f0000000080)={@loopback, 0x800, 0x0, 0x100000003, 0x1, 0x0, 0x0, 0x400000000}, 0x20) setsockopt$inet6_IPV6_FLOWLABEL_MGR(r6, 0x29, 0x20, &(0x7f0000000300)={@mcast2, 0x10000, 0x0, 0x102, 0x8000003}, 0x20) setsockopt$inet6_IPV6_FLOWLABEL_MGR(r6, 0x29, 0x20, &(0x7f0000000040)={@loopback, 0x0, 0x0, 0x1, 0x3}, 0x20) connect$inet6(r6, &(0x7f0000000500)={0xa, 0x0, 0x40f7, @mcast2, 0x7ff}, 0x9) r7 = syz_open_procfs(0x0, &(0x7f0000000600)='net/ip6_flowlabel\x00n\xc01\x14\x894X\xed\xc1\xc9\xd8\xdcK\r\x8d\xae\x98&@\xd0\xe6\xbbQ\xd7\xffYn\x1c\x92\xde\x0e\xaa1\x91\x98\xe9\x1f\nMCi|+\xcdw\xf0\x176Z\xf1`\xac\xf3;\xd6d2\xeb\xe5\f\x0e\x8b\xda\xf7\xfc9\xfe\xff4\xef\'\xa19q\x93\"\x7fG3\xc1E\xe6e6\xc6\xc2u\x11% \xe7+0\x97\x84;\\\xda\xc4\x80\xc3\xb18N\xbfY%\x05\xf8\x85\x89\xfc\xd2\xd7') sendfile(r6, r7, &(0x7f0000000240)=0x202, 0x4000000000dc) r8 = syz_genetlink_get_family_id$nbd(&(0x7f0000000140)='nbd\x00') ioctl$KVM_S390_UCAS_UNMAP(r7, 0x4018ae51, &(0x7f00000000c0)={0x8000, 0x7ff, 0x2}) sendmsg$NBD_CMD_RECONFIGURE(r7, &(0x7f0000000200)={&(0x7f0000000100)={0x10, 0x0, 0x0, 0x80}, 0xc, 0x0, 0x1, 0x0, 0x0, 0x4}, 0x84) sendmsg$NBD_CMD_STATUS(r5, &(0x7f00000002c0)={&(0x7f0000000180)={0x10, 0x0, 0x0, 0x1000000}, 0xc, &(0x7f0000000280)={&(0x7f00000001c0)={0x28, r8, 0x10, 0x70bd25, 0x25dfdbfb, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x5}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x28}, 0x1, 0x0, 0x0, 0x8b29ba74f3c49941}, 0x4044) r9 = openat$audio(0xffffffffffffff9c, &(0x7f0000003500)='/dev/audio\x00', 0x200000, 0x0) r10 = socket$kcm(0x2b, 0x8000000000001, 0x0) ioctl$PERF_EVENT_IOC_ENABLE(r10, 0x8912, 0x400200) r11 = openat$vcs(0xffffffffffffff9c, &(0x7f0000000000)='/dev/vcs\x00', 0x0, 0x0) r12 = socket$nl_generic(0x10, 0x3, 0x10) poll(&(0x7f0000000040)=[{r11}, {r10}, {r12}], 0x3, 0x6) sendmsg$NBD_CMD_CONNECT(r3, &(0x7f0000003600)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x80}, 0xc, &(0x7f00000035c0)={&(0x7f0000003540)={0x54, r8, 0x300, 0x70bd2b, 0x25dfdbfe, {}, [@NBD_ATTR_SOCKETS={0x2c, 0x7, [{0x8, 0x1, r9}, {0x8, 0x1, r11}, {0x8, 0x1, r0}, {0x8}, {0x8, 0x1, r0}]}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}]}, 0x54}, 0x1, 0x0, 0x0, 0x80000c0}, 0x4000000) 10:47:32 executing program 1: r0 = perf_event_open(&(0x7f0000940000)={0x2, 0x70, 0xfffffffffffffffd, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}}, 0x0, 0x0, 0xffffffffffffffff, 0x0) mmap(&(0x7f00004da000/0x1000)=nil, 0x1000, 0x0, 0x4000012, r0, 0x0) mincore(&(0x7f00003fa000/0x200000)=nil, 0x2001d3, &(0x7f0000000000)=""/222) 10:47:32 executing program 5: rt_sigprocmask(0x0, &(0x7f0000000040)={0xfffffffffffffffc}, 0x0, 0x8) r0 = gettid() timer_create(0x0, &(0x7f0000044000)={0x0, 0x14, 0x4, @tid=r0}, &(0x7f0000044000)) timer_settime(0x0, 0x1, &(0x7f00000000c0)={{0x0, 0x8}, {0x0, 0x989680}}, 0x0) rt_sigtimedwait(&(0x7f00005a1000)={0xfffffffffffffffd}, 0x0, 0x0, 0x8) 10:47:32 executing program 5: rt_sigprocmask(0x0, &(0x7f0000000040)={0xfffffffffffffffc}, 0x0, 0x8) r0 = gettid() timer_create(0x0, &(0x7f0000044000)={0x0, 0x14, 0x4, @tid=r0}, &(0x7f0000044000)) timer_settime(0x0, 0x1, &(0x7f00000000c0)={{0x0, 0x8}, {0x0, 0x989680}}, 0x0) rt_sigtimedwait(&(0x7f00005a1000)={0xfffffffffffffffd}, 0x0, 0x0, 0x8) 10:47:32 executing program 3: mknod(&(0x7f0000000040)='./bus\x00', 0x2000000000001003, 0x0) r0 = open(&(0x7f0000000100)='./bus\x00', 0x20000000000b04, 0x0) r1 = epoll_create(0x7) epoll_ctl$EPOLL_CTL_ADD(r1, 0x1, r0, &(0x7f00000001c0)) r2 = socket$kcm(0x2b, 0x8000000000001, 0x0) ioctl$PERF_EVENT_IOC_ENABLE(r2, 0x8912, 0x400200) r3 = openat$vcs(0xffffffffffffff9c, &(0x7f0000000000)='/dev/vcs\x00', 0x0, 0x0) r4 = socket$nl_generic(0x10, 0x3, 0x10) poll(&(0x7f0000000040)=[{r3}, {r2}, {r4}], 0x3, 0x6) r5 = socket(0x2000000000000021, 0x2, 0x10000000000002) connect$rxrpc(r5, &(0x7f0000000140)=@in4={0x21, 0x0, 0x2, 0x10, {0x2, 0x0, @rand_addr=0xdd}}, 0x24) sendmmsg(r5, &(0x7f0000005c00)=[{{0x0, 0xfffffffffffffd95, 0x0, 0x0, &(0x7f0000000000)=ANY=[@ANYBLOB="18000800000000001001000001000000ec00000000000000"], 0x18}}], 0x1, 0x0) r6 = socket$inet6(0xa, 0x3, 0x6) mmap(&(0x7f0000ffd000/0x2000)=nil, 0x2000, 0x8, 0x810, r6, 0x0) setsockopt$inet6_IPV6_FLOWLABEL_MGR(r6, 0x29, 0x20, &(0x7f0000000080)={@loopback, 0x800, 0x0, 0x100000003, 0x1, 0x0, 0x0, 0x400000000}, 0x20) setsockopt$inet6_IPV6_FLOWLABEL_MGR(r6, 0x29, 0x20, &(0x7f0000000300)={@mcast2, 0x10000, 0x0, 0x102, 0x8000003}, 0x20) setsockopt$inet6_IPV6_FLOWLABEL_MGR(r6, 0x29, 0x20, &(0x7f0000000040)={@loopback, 0x0, 0x0, 0x1, 0x3}, 0x20) connect$inet6(r6, &(0x7f0000000500)={0xa, 0x0, 0x40f7, @mcast2, 0x7ff}, 0x9) r7 = syz_open_procfs(0x0, &(0x7f0000000600)='net/ip6_flowlabel\x00n\xc01\x14\x894X\xed\xc1\xc9\xd8\xdcK\r\x8d\xae\x98&@\xd0\xe6\xbbQ\xd7\xffYn\x1c\x92\xde\x0e\xaa1\x91\x98\xe9\x1f\nMCi|+\xcdw\xf0\x176Z\xf1`\xac\xf3;\xd6d2\xeb\xe5\f\x0e\x8b\xda\xf7\xfc9\xfe\xff4\xef\'\xa19q\x93\"\x7fG3\xc1E\xe6e6\xc6\xc2u\x11% \xe7+0\x97\x84;\\\xda\xc4\x80\xc3\xb18N\xbfY%\x05\xf8\x85\x89\xfc\xd2\xd7') sendfile(r6, r7, &(0x7f0000000240)=0x202, 0x4000000000dc) r8 = syz_genetlink_get_family_id$nbd(&(0x7f0000000140)='nbd\x00') ioctl$KVM_S390_UCAS_UNMAP(r7, 0x4018ae51, &(0x7f00000000c0)={0x8000, 0x7ff, 0x2}) sendmsg$NBD_CMD_RECONFIGURE(r7, &(0x7f0000000200)={&(0x7f0000000100)={0x10, 0x0, 0x0, 0x80}, 0xc, 0x0, 0x1, 0x0, 0x0, 0x4}, 0x84) sendmsg$NBD_CMD_STATUS(r5, &(0x7f00000002c0)={&(0x7f0000000180)={0x10, 0x0, 0x0, 0x1000000}, 0xc, &(0x7f0000000280)={&(0x7f00000001c0)={0x28, r8, 0x10, 0x70bd25, 0x25dfdbfb, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x5}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x28}, 0x1, 0x0, 0x0, 0x8b29ba74f3c49941}, 0x4044) r9 = openat$audio(0xffffffffffffff9c, &(0x7f0000003500)='/dev/audio\x00', 0x200000, 0x0) r10 = socket$kcm(0x2b, 0x8000000000001, 0x0) ioctl$PERF_EVENT_IOC_ENABLE(r10, 0x8912, 0x400200) r11 = openat$vcs(0xffffffffffffff9c, &(0x7f0000000000)='/dev/vcs\x00', 0x0, 0x0) r12 = socket$nl_generic(0x10, 0x3, 0x10) poll(&(0x7f0000000040)=[{r11}, {r10}, {r12}], 0x3, 0x6) sendmsg$NBD_CMD_CONNECT(r3, &(0x7f0000003600)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x80}, 0xc, &(0x7f00000035c0)={&(0x7f0000003540)={0x54, r8, 0x300, 0x70bd2b, 0x25dfdbfe, {}, [@NBD_ATTR_SOCKETS={0x2c, 0x7, [{0x8, 0x1, r9}, {0x8, 0x1, r11}, {0x8, 0x1, r0}, {0x8}, {0x8, 0x1, r0}]}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}]}, 0x54}, 0x1, 0x0, 0x0, 0x80000c0}, 0x4000000) 10:47:32 executing program 1: r0 = perf_event_open(&(0x7f0000940000)={0x2, 0x70, 0xfffffffffffffffd, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}}, 0x0, 0x0, 0xffffffffffffffff, 0x0) mmap(&(0x7f00004da000/0x1000)=nil, 0x1000, 0x0, 0x4000012, r0, 0x0) mincore(&(0x7f00003fa000/0x200000)=nil, 0x2001d4, &(0x7f0000000000)=""/222) 10:47:33 executing program 5: rt_sigprocmask(0x0, &(0x7f0000000040)={0xfffffffffffffffc}, 0x0, 0x8) r0 = gettid() timer_create(0x0, &(0x7f0000044000)={0x0, 0x14, 0x4, @tid=r0}, &(0x7f0000044000)) timer_settime(0x0, 0x1, &(0x7f00000000c0)={{0x0, 0x8}, {0x0, 0x989680}}, 0x0) rt_sigtimedwait(&(0x7f00005a1000)={0xfffffffffffffffd}, 0x0, 0x0, 0x8) 10:47:33 executing program 5: rt_sigprocmask(0x0, &(0x7f0000000040)={0xfffffffffffffffc}, 0x0, 0x8) r0 = gettid() timer_create(0x0, &(0x7f0000044000)={0x0, 0x14, 0x4, @tid=r0}, &(0x7f0000044000)) timer_settime(0x0, 0x0, &(0x7f0000000000)={{0x0, 0x1c9c380}}, 0x0) rt_sigtimedwait(&(0x7f00005a1000)={0xfffffffffffffffd}, 0x0, 0x0, 0x8) 10:47:33 executing program 2: r0 = openat$ipvs(0xffffffffffffff9c, &(0x7f0000000040)='/proc/sys/net/ipv4/vs/sync_retries\x00', 0x2, 0x0) r1 = openat$cgroup_ro(r0, &(0x7f00000000c0)='memory.events\x00', 0x26e1, 0x0) r2 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000100)='memory.events\x00', 0x7a05, 0x1700) write$cgroup_subtree(r1, &(0x7f0000000600)=ANY=[@ANYPTR64], 0xfe9d) ioctl$FS_IOC_RESVSP(r1, 0x40305828, &(0x7f00000001c0)={0x0, 0x0, 0x0, 0xcf}) ioctl$FS_IOC_RESVSP(r2, 0x40305828, &(0x7f0000000180)={0x0, 0x0, 0xae15, 0xd8a}) ioctl$FS_IOC_SETFLAGS(r2, 0x40086602, &(0x7f0000000080)=0x9) socketpair$unix(0x1, 0x1, 0x0, &(0x7f0000000180)={0xffffffffffffffff, 0xffffffffffffffff}) r4 = dup(r3) ioctl$PERF_EVENT_IOC_ENABLE(r4, 0x8912, 0x400200) fcntl$dupfd(0xffffffffffffffff, 0x0, 0xffffffffffffffff) write$cgroup_pid(r2, &(0x7f0000000000), 0xfffffea6) 10:47:33 executing program 3: mknod(&(0x7f0000000040)='./bus\x00', 0x2000000000001003, 0x0) r0 = open(&(0x7f0000000100)='./bus\x00', 0x20000000000b04, 0x0) r1 = epoll_create(0x7) epoll_ctl$EPOLL_CTL_ADD(r1, 0x1, r0, &(0x7f00000001c0)) r2 = socket$kcm(0x2b, 0x8000000000001, 0x0) ioctl$PERF_EVENT_IOC_ENABLE(r2, 0x8912, 0x400200) r3 = openat$vcs(0xffffffffffffff9c, &(0x7f0000000000)='/dev/vcs\x00', 0x0, 0x0) r4 = socket$nl_generic(0x10, 0x3, 0x10) poll(&(0x7f0000000040)=[{r3}, {r2}, {r4}], 0x3, 0x6) r5 = socket(0x2000000000000021, 0x2, 0x10000000000002) connect$rxrpc(r5, &(0x7f0000000140)=@in4={0x21, 0x0, 0x2, 0x10, {0x2, 0x0, @rand_addr=0xdd}}, 0x24) sendmmsg(r5, &(0x7f0000005c00)=[{{0x0, 0xfffffffffffffd95, 0x0, 0x0, &(0x7f0000000000)=ANY=[@ANYBLOB="18000800000000001001000001000000ec00000000000000"], 0x18}}], 0x1, 0x0) r6 = socket$inet6(0xa, 0x3, 0x6) mmap(&(0x7f0000ffd000/0x2000)=nil, 0x2000, 0x8, 0x810, r6, 0x0) setsockopt$inet6_IPV6_FLOWLABEL_MGR(r6, 0x29, 0x20, &(0x7f0000000080)={@loopback, 0x800, 0x0, 0x100000003, 0x1, 0x0, 0x0, 0x400000000}, 0x20) setsockopt$inet6_IPV6_FLOWLABEL_MGR(r6, 0x29, 0x20, &(0x7f0000000300)={@mcast2, 0x10000, 0x0, 0x102, 0x8000003}, 0x20) setsockopt$inet6_IPV6_FLOWLABEL_MGR(r6, 0x29, 0x20, &(0x7f0000000040)={@loopback, 0x0, 0x0, 0x1, 0x3}, 0x20) connect$inet6(r6, &(0x7f0000000500)={0xa, 0x0, 0x40f7, @mcast2, 0x7ff}, 0x9) r7 = syz_open_procfs(0x0, &(0x7f0000000600)='net/ip6_flowlabel\x00n\xc01\x14\x894X\xed\xc1\xc9\xd8\xdcK\r\x8d\xae\x98&@\xd0\xe6\xbbQ\xd7\xffYn\x1c\x92\xde\x0e\xaa1\x91\x98\xe9\x1f\nMCi|+\xcdw\xf0\x176Z\xf1`\xac\xf3;\xd6d2\xeb\xe5\f\x0e\x8b\xda\xf7\xfc9\xfe\xff4\xef\'\xa19q\x93\"\x7fG3\xc1E\xe6e6\xc6\xc2u\x11% \xe7+0\x97\x84;\\\xda\xc4\x80\xc3\xb18N\xbfY%\x05\xf8\x85\x89\xfc\xd2\xd7') sendfile(r6, r7, &(0x7f0000000240)=0x202, 0x4000000000dc) r8 = syz_genetlink_get_family_id$nbd(&(0x7f0000000140)='nbd\x00') ioctl$KVM_S390_UCAS_UNMAP(r7, 0x4018ae51, &(0x7f00000000c0)={0x8000, 0x7ff, 0x2}) sendmsg$NBD_CMD_RECONFIGURE(r7, &(0x7f0000000200)={&(0x7f0000000100)={0x10, 0x0, 0x0, 0x80}, 0xc, 0x0, 0x1, 0x0, 0x0, 0x4}, 0x84) sendmsg$NBD_CMD_STATUS(r5, &(0x7f00000002c0)={&(0x7f0000000180)={0x10, 0x0, 0x0, 0x1000000}, 0xc, &(0x7f0000000280)={&(0x7f00000001c0)={0x28, r8, 0x10, 0x70bd25, 0x25dfdbfb, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x5}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x28}, 0x1, 0x0, 0x0, 0x8b29ba74f3c49941}, 0x4044) r9 = openat$audio(0xffffffffffffff9c, &(0x7f0000003500)='/dev/audio\x00', 0x200000, 0x0) r10 = socket$kcm(0x2b, 0x8000000000001, 0x0) ioctl$PERF_EVENT_IOC_ENABLE(r10, 0x8912, 0x400200) r11 = openat$vcs(0xffffffffffffff9c, &(0x7f0000000000)='/dev/vcs\x00', 0x0, 0x0) r12 = socket$nl_generic(0x10, 0x3, 0x10) poll(&(0x7f0000000040)=[{r11}, {r10}, {r12}], 0x3, 0x6) sendmsg$NBD_CMD_CONNECT(r3, &(0x7f0000003600)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x80}, 0xc, &(0x7f00000035c0)={&(0x7f0000003540)={0x54, r8, 0x300, 0x70bd2b, 0x25dfdbfe, {}, [@NBD_ATTR_SOCKETS={0x2c, 0x7, [{0x8, 0x1, r9}, {0x8, 0x1, r11}, {0x8, 0x1, r0}, {0x8}, {0x8, 0x1, r0}]}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}]}, 0x54}, 0x1, 0x0, 0x0, 0x80000c0}, 0x4000000) 10:47:33 executing program 1: r0 = perf_event_open(&(0x7f0000940000)={0x2, 0x70, 0xfffffffffffffffd, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}}, 0x0, 0x0, 0xffffffffffffffff, 0x0) mmap(&(0x7f00004da000/0x1000)=nil, 0x1000, 0x0, 0x4000012, r0, 0x0) mincore(&(0x7f00003fa000/0x200000)=nil, 0x2001d5, &(0x7f0000000000)=""/222) 10:47:33 executing program 2: r0 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f00000000c0)='memory.events\x00', 0x26e1, 0x0) r1 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000100)='memory.events\x00', 0x7a05, 0x1700) write$cgroup_subtree(r0, &(0x7f0000000080)=ANY=[@ANYPTR64], 0x8) ioctl$FS_IOC_RESVSP(r0, 0x40305828, &(0x7f00000001c0)={0x0, 0x0, 0x0, 0xcf}) ioctl$FS_IOC_RESVSP(r1, 0x40305828, &(0x7f0000000180)={0x0, 0x0, 0xae15, 0xd8a}) ioctl$FS_IOC_SETFLAGS(r1, 0x40086602, &(0x7f0000000040)=0x4bd) socketpair$unix(0x1, 0x1, 0x0, &(0x7f0000000180)={0xffffffffffffffff, 0xffffffffffffffff}) r3 = dup(r2) ioctl$PERF_EVENT_IOC_ENABLE(r3, 0x8912, 0x400200) fcntl$dupfd(0xffffffffffffffff, 0x0, 0xffffffffffffffff) write$cgroup_pid(r1, &(0x7f0000000000), 0xfffffea6) 10:47:33 executing program 1: r0 = perf_event_open(&(0x7f0000940000)={0x2, 0x70, 0xfffffffffffffffd, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}}, 0x0, 0x0, 0xffffffffffffffff, 0x0) mmap(&(0x7f00004da000/0x1000)=nil, 0x1000, 0x0, 0x4000012, r0, 0x0) mincore(&(0x7f00003fa000/0x200000)=nil, 0x2001d6, &(0x7f0000000000)=""/222) 10:47:33 executing program 3: mknod(&(0x7f0000000040)='./bus\x00', 0x2000000000001003, 0x0) r0 = open(&(0x7f0000000100)='./bus\x00', 0x20000000000b04, 0x0) r1 = epoll_create(0x7) epoll_ctl$EPOLL_CTL_ADD(r1, 0x1, r0, &(0x7f00000001c0)) r2 = socket$kcm(0x2b, 0x8000000000001, 0x0) ioctl$PERF_EVENT_IOC_ENABLE(r2, 0x8912, 0x400200) r3 = openat$vcs(0xffffffffffffff9c, &(0x7f0000000000)='/dev/vcs\x00', 0x0, 0x0) r4 = socket$nl_generic(0x10, 0x3, 0x10) poll(&(0x7f0000000040)=[{r3}, {r2}, {r4}], 0x3, 0x6) r5 = socket(0x2000000000000021, 0x2, 0x10000000000002) connect$rxrpc(r5, &(0x7f0000000140)=@in4={0x21, 0x0, 0x2, 0x10, {0x2, 0x0, @rand_addr=0xdd}}, 0x24) sendmmsg(r5, &(0x7f0000005c00)=[{{0x0, 0xfffffffffffffd95, 0x0, 0x0, &(0x7f0000000000)=ANY=[@ANYBLOB="18000800000000001001000001000000ec00000000000000"], 0x18}}], 0x1, 0x0) r6 = socket$inet6(0xa, 0x3, 0x6) mmap(&(0x7f0000ffd000/0x2000)=nil, 0x2000, 0x8, 0x810, r6, 0x0) setsockopt$inet6_IPV6_FLOWLABEL_MGR(r6, 0x29, 0x20, &(0x7f0000000080)={@loopback, 0x800, 0x0, 0x100000003, 0x1, 0x0, 0x0, 0x400000000}, 0x20) setsockopt$inet6_IPV6_FLOWLABEL_MGR(r6, 0x29, 0x20, &(0x7f0000000300)={@mcast2, 0x10000, 0x0, 0x102, 0x8000003}, 0x20) setsockopt$inet6_IPV6_FLOWLABEL_MGR(r6, 0x29, 0x20, &(0x7f0000000040)={@loopback, 0x0, 0x0, 0x1, 0x3}, 0x20) connect$inet6(r6, &(0x7f0000000500)={0xa, 0x0, 0x40f7, @mcast2, 0x7ff}, 0x9) r7 = syz_open_procfs(0x0, &(0x7f0000000600)='net/ip6_flowlabel\x00n\xc01\x14\x894X\xed\xc1\xc9\xd8\xdcK\r\x8d\xae\x98&@\xd0\xe6\xbbQ\xd7\xffYn\x1c\x92\xde\x0e\xaa1\x91\x98\xe9\x1f\nMCi|+\xcdw\xf0\x176Z\xf1`\xac\xf3;\xd6d2\xeb\xe5\f\x0e\x8b\xda\xf7\xfc9\xfe\xff4\xef\'\xa19q\x93\"\x7fG3\xc1E\xe6e6\xc6\xc2u\x11% \xe7+0\x97\x84;\\\xda\xc4\x80\xc3\xb18N\xbfY%\x05\xf8\x85\x89\xfc\xd2\xd7') sendfile(r6, r7, &(0x7f0000000240)=0x202, 0x4000000000dc) r8 = syz_genetlink_get_family_id$nbd(&(0x7f0000000140)='nbd\x00') ioctl$KVM_S390_UCAS_UNMAP(r7, 0x4018ae51, &(0x7f00000000c0)={0x8000, 0x7ff, 0x2}) sendmsg$NBD_CMD_RECONFIGURE(r7, &(0x7f0000000200)={&(0x7f0000000100)={0x10, 0x0, 0x0, 0x80}, 0xc, &(0x7f00000001c0)={0x0}, 0x1, 0x0, 0x0, 0x4}, 0x84) sendmsg$NBD_CMD_STATUS(r5, &(0x7f00000002c0)={&(0x7f0000000180)={0x10, 0x0, 0x0, 0x1000000}, 0xc, &(0x7f0000000280)={&(0x7f00000001c0)={0x28, r8, 0x10, 0x70bd25, 0x25dfdbfb, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x5}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x28}, 0x1, 0x0, 0x0, 0x8b29ba74f3c49941}, 0x4044) r9 = openat$audio(0xffffffffffffff9c, &(0x7f0000003500)='/dev/audio\x00', 0x200000, 0x0) r10 = socket$kcm(0x2b, 0x8000000000001, 0x0) ioctl$PERF_EVENT_IOC_ENABLE(r10, 0x8912, 0x400200) r11 = openat$vcs(0xffffffffffffff9c, &(0x7f0000000000)='/dev/vcs\x00', 0x0, 0x0) r12 = socket$nl_generic(0x10, 0x3, 0x10) poll(&(0x7f0000000040)=[{r11}, {r10}, {r12}], 0x3, 0x6) sendmsg$NBD_CMD_CONNECT(r3, &(0x7f0000003600)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x80}, 0xc, &(0x7f00000035c0)={&(0x7f0000003540)={0x54, r8, 0x300, 0x70bd2b, 0x25dfdbfe, {}, [@NBD_ATTR_SOCKETS={0x2c, 0x7, [{0x8, 0x1, r9}, {0x8, 0x1, r11}, {0x8, 0x1, r0}, {0x8}, {0x8, 0x1, r0}]}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}]}, 0x54}, 0x1, 0x0, 0x0, 0x80000c0}, 0x4000000) 10:47:33 executing program 2: r0 = socket$kcm(0x2b, 0x8000000000001, 0x0) ioctl$PERF_EVENT_IOC_ENABLE(r0, 0x8912, 0x400200) r1 = openat$vcs(0xffffffffffffff9c, &(0x7f0000000000)='/dev/vcs\x00', 0x0, 0x0) r2 = socket$nl_generic(0x10, 0x3, 0x10) poll(&(0x7f0000000040)=[{r1}, {r0}, {r2}], 0x3, 0x6) ioctl$BLKZEROOUT(r1, 0x127f, &(0x7f0000000040)={0x3f, 0x7fff}) r3 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f00000000c0)='memory.events\x00', 0x26e1, 0x0) r4 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000100)='memory.events\x00', 0x7a05, 0x1700) write$cgroup_subtree(r3, &(0x7f0000000600)=ANY=[@ANYPTR64], 0xfe9d) ioctl$FS_IOC_RESVSP(r3, 0x40305828, &(0x7f00000001c0)={0x0, 0x0, 0x0, 0xcf}) ioctl$FS_IOC_RESVSP(r4, 0x40305828, &(0x7f0000000180)={0x0, 0x0, 0xae15, 0xd8a}) socket$kcm(0x29, 0x2, 0x0) ioctl$FS_IOC_SETFLAGS(r4, 0x40086602, &(0x7f0000000080)=0x9) socketpair$unix(0x1, 0x1, 0x0, &(0x7f0000000180)={0xffffffffffffffff, 0xffffffffffffffff}) r6 = dup(r5) ioctl$PERF_EVENT_IOC_ENABLE(r6, 0x8912, 0x400200) fcntl$dupfd(0xffffffffffffffff, 0x0, 0xffffffffffffffff) write$cgroup_pid(r4, &(0x7f0000000000), 0xfffffea6) 10:47:33 executing program 3: mknod(&(0x7f0000000040)='./bus\x00', 0x2000000000001003, 0x0) r0 = open(&(0x7f0000000100)='./bus\x00', 0x20000000000b04, 0x0) r1 = epoll_create(0x7) epoll_ctl$EPOLL_CTL_ADD(r1, 0x1, r0, &(0x7f00000001c0)) r2 = socket$kcm(0x2b, 0x8000000000001, 0x0) ioctl$PERF_EVENT_IOC_ENABLE(r2, 0x8912, 0x400200) r3 = openat$vcs(0xffffffffffffff9c, &(0x7f0000000000)='/dev/vcs\x00', 0x0, 0x0) r4 = socket$nl_generic(0x10, 0x3, 0x10) poll(&(0x7f0000000040)=[{r3}, {r2}, {r4}], 0x3, 0x6) r5 = socket(0x2000000000000021, 0x2, 0x10000000000002) connect$rxrpc(r5, &(0x7f0000000140)=@in4={0x21, 0x0, 0x2, 0x10, {0x2, 0x0, @rand_addr=0xdd}}, 0x24) sendmmsg(r5, &(0x7f0000005c00)=[{{0x0, 0xfffffffffffffd95, 0x0, 0x0, &(0x7f0000000000)=ANY=[@ANYBLOB="18000800000000001001000001000000ec00000000000000"], 0x18}}], 0x1, 0x0) r6 = socket$inet6(0xa, 0x3, 0x6) mmap(&(0x7f0000ffd000/0x2000)=nil, 0x2000, 0x8, 0x810, r6, 0x0) setsockopt$inet6_IPV6_FLOWLABEL_MGR(r6, 0x29, 0x20, &(0x7f0000000080)={@loopback, 0x800, 0x0, 0x100000003, 0x1, 0x0, 0x0, 0x400000000}, 0x20) setsockopt$inet6_IPV6_FLOWLABEL_MGR(r6, 0x29, 0x20, &(0x7f0000000300)={@mcast2, 0x10000, 0x0, 0x102, 0x8000003}, 0x20) setsockopt$inet6_IPV6_FLOWLABEL_MGR(r6, 0x29, 0x20, &(0x7f0000000040)={@loopback, 0x0, 0x0, 0x1, 0x3}, 0x20) connect$inet6(r6, &(0x7f0000000500)={0xa, 0x0, 0x40f7, @mcast2, 0x7ff}, 0x9) r7 = syz_open_procfs(0x0, &(0x7f0000000600)='net/ip6_flowlabel\x00n\xc01\x14\x894X\xed\xc1\xc9\xd8\xdcK\r\x8d\xae\x98&@\xd0\xe6\xbbQ\xd7\xffYn\x1c\x92\xde\x0e\xaa1\x91\x98\xe9\x1f\nMCi|+\xcdw\xf0\x176Z\xf1`\xac\xf3;\xd6d2\xeb\xe5\f\x0e\x8b\xda\xf7\xfc9\xfe\xff4\xef\'\xa19q\x93\"\x7fG3\xc1E\xe6e6\xc6\xc2u\x11% \xe7+0\x97\x84;\\\xda\xc4\x80\xc3\xb18N\xbfY%\x05\xf8\x85\x89\xfc\xd2\xd7') sendfile(r6, r7, &(0x7f0000000240)=0x202, 0x4000000000dc) r8 = syz_genetlink_get_family_id$nbd(&(0x7f0000000140)='nbd\x00') ioctl$KVM_S390_UCAS_UNMAP(r7, 0x4018ae51, &(0x7f00000000c0)={0x8000, 0x7ff, 0x2}) sendmsg$NBD_CMD_RECONFIGURE(r7, &(0x7f0000000200)={&(0x7f0000000100)={0x10, 0x0, 0x0, 0x80}, 0xc, &(0x7f00000001c0)={0x0}, 0x1, 0x0, 0x0, 0x4}, 0x84) sendmsg$NBD_CMD_STATUS(r5, &(0x7f00000002c0)={&(0x7f0000000180)={0x10, 0x0, 0x0, 0x1000000}, 0xc, &(0x7f0000000280)={&(0x7f00000001c0)={0x28, r8, 0x10, 0x70bd25, 0x25dfdbfb, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x5}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x28}, 0x1, 0x0, 0x0, 0x8b29ba74f3c49941}, 0x4044) r9 = openat$audio(0xffffffffffffff9c, &(0x7f0000003500)='/dev/audio\x00', 0x200000, 0x0) r10 = socket$kcm(0x2b, 0x8000000000001, 0x0) ioctl$PERF_EVENT_IOC_ENABLE(r10, 0x8912, 0x400200) r11 = openat$vcs(0xffffffffffffff9c, &(0x7f0000000000)='/dev/vcs\x00', 0x0, 0x0) r12 = socket$nl_generic(0x10, 0x3, 0x10) poll(&(0x7f0000000040)=[{r11}, {r10}, {r12}], 0x3, 0x6) sendmsg$NBD_CMD_CONNECT(r3, &(0x7f0000003600)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x80}, 0xc, &(0x7f00000035c0)={&(0x7f0000003540)={0x54, r8, 0x300, 0x70bd2b, 0x25dfdbfe, {}, [@NBD_ATTR_SOCKETS={0x2c, 0x7, [{0x8, 0x1, r9}, {0x8, 0x1, r11}, {0x8, 0x1, r0}, {0x8}, {0x8, 0x1, r0}]}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}]}, 0x54}, 0x1, 0x0, 0x0, 0x80000c0}, 0x4000000) 10:47:33 executing program 1: r0 = perf_event_open(&(0x7f0000940000)={0x2, 0x70, 0xfffffffffffffffd, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}}, 0x0, 0x0, 0xffffffffffffffff, 0x0) mmap(&(0x7f00004da000/0x1000)=nil, 0x1000, 0x0, 0x4000012, r0, 0x0) mincore(&(0x7f00003fa000/0x200000)=nil, 0x2001d7, &(0x7f0000000000)=""/222) 10:47:34 executing program 5: rt_sigprocmask(0x0, &(0x7f0000000040)={0xfffffffffffffffc}, 0x0, 0x8) r0 = gettid() timer_create(0x0, &(0x7f0000044000)={0x0, 0x14, 0x4, @tid=r0}, &(0x7f0000044000)) timer_settime(0x0, 0x0, &(0x7f0000000000)={{0x0, 0x1c9c380}}, 0x0) rt_sigtimedwait(&(0x7f00005a1000)={0xfffffffffffffffd}, 0x0, 0x0, 0x8) 10:47:34 executing program 2: r0 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f00000000c0)='memory.events\x00', 0x26e1, 0x0) r1 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000100)='memory.events\x00', 0x7a05, 0x1700) write$cgroup_subtree(r0, &(0x7f0000000600)=ANY=[@ANYPTR64], 0xfe9d) ioctl$FS_IOC_RESVSP(r0, 0x40305828, &(0x7f00000001c0)={0x0, 0x0, 0x0, 0xcf}) ioctl$FS_IOC_RESVSP(r1, 0x40305828, &(0x7f0000000180)={0x0, 0x0, 0xae15, 0xd8a}) ioctl$FS_IOC_SETFLAGS(r1, 0x40086602, &(0x7f0000000080)=0x9) r2 = socket$kcm(0x2b, 0x8000000000001, 0x0) ioctl$PERF_EVENT_IOC_ENABLE(r2, 0x8912, 0x400200) r3 = openat$vcs(0xffffffffffffff9c, &(0x7f0000000000)='/dev/vcs\x00', 0x0, 0x0) r4 = socket$nl_generic(0x10, 0x3, 0x10) poll(&(0x7f0000000040)=[{r3}, {r2}, {r4}], 0x3, 0x6) r5 = accept4$unix(r3, &(0x7f0000000200), &(0x7f0000000040)=0x6e, 0x80400) write$binfmt_aout(r5, &(0x7f0000000640)={{0x10b, 0x6, 0x2b, 0x28, 0x34c, 0x2, 0x2aa}, "22a8eebc4ee0316941c64358e58eacb4ecbf9202eabc53c82eeac440de9527f5395071baa6c4f40488061330482f97adb87e52a46dca268bcbd3724c9c82552e329e6766fc77182b9241947c231c291dd7b0a8f43b1052a3f7e6c90405ef567410417d3ebe97824e8d99e80b7ac6cc14dc7114c1996e4c9837b6d764e7a6687f7c8301f4c5ddc03810461a2519b2ed01b9a448a45a50ff9a0bfbde27fc919f979ab9e7c5f775efc877c22de541a62caf959ad3f35dcee17932acd0d7566dfebcaf95d38ec0873513098f270e11a6ab52713322461a10b6f7d3851ddd4295fe79", [[], [], [], []]}, 0x500) socketpair$unix(0x1, 0x1, 0x0, &(0x7f0000000180)={0xffffffffffffffff, 0xffffffffffffffff}) r7 = dup(r6) ioctl$PERF_EVENT_IOC_ENABLE(r7, 0x8912, 0x400200) fcntl$dupfd(0xffffffffffffffff, 0x0, 0xffffffffffffffff) write$cgroup_pid(r1, &(0x7f0000000000), 0xfffffea6) 10:47:34 executing program 1: r0 = perf_event_open(&(0x7f0000940000)={0x2, 0x70, 0xfffffffffffffffd, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}}, 0x0, 0x0, 0xffffffffffffffff, 0x0) mmap(&(0x7f00004da000/0x1000)=nil, 0x1000, 0x0, 0x4000012, r0, 0x0) mincore(&(0x7f00003fa000/0x200000)=nil, 0x2001d8, &(0x7f0000000000)=""/222) 10:47:34 executing program 3: mknod(&(0x7f0000000040)='./bus\x00', 0x2000000000001003, 0x0) r0 = open(&(0x7f0000000100)='./bus\x00', 0x20000000000b04, 0x0) r1 = epoll_create(0x7) epoll_ctl$EPOLL_CTL_ADD(r1, 0x1, r0, &(0x7f00000001c0)) r2 = socket$kcm(0x2b, 0x8000000000001, 0x0) ioctl$PERF_EVENT_IOC_ENABLE(r2, 0x8912, 0x400200) r3 = openat$vcs(0xffffffffffffff9c, &(0x7f0000000000)='/dev/vcs\x00', 0x0, 0x0) r4 = socket$nl_generic(0x10, 0x3, 0x10) poll(&(0x7f0000000040)=[{r3}, {r2}, {r4}], 0x3, 0x6) r5 = socket(0x2000000000000021, 0x2, 0x10000000000002) connect$rxrpc(r5, &(0x7f0000000140)=@in4={0x21, 0x0, 0x2, 0x10, {0x2, 0x0, @rand_addr=0xdd}}, 0x24) sendmmsg(r5, &(0x7f0000005c00)=[{{0x0, 0xfffffffffffffd95, 0x0, 0x0, &(0x7f0000000000)=ANY=[@ANYBLOB="18000800000000001001000001000000ec00000000000000"], 0x18}}], 0x1, 0x0) r6 = socket$inet6(0xa, 0x3, 0x6) mmap(&(0x7f0000ffd000/0x2000)=nil, 0x2000, 0x8, 0x810, r6, 0x0) setsockopt$inet6_IPV6_FLOWLABEL_MGR(r6, 0x29, 0x20, &(0x7f0000000080)={@loopback, 0x800, 0x0, 0x100000003, 0x1, 0x0, 0x0, 0x400000000}, 0x20) setsockopt$inet6_IPV6_FLOWLABEL_MGR(r6, 0x29, 0x20, &(0x7f0000000300)={@mcast2, 0x10000, 0x0, 0x102, 0x8000003}, 0x20) setsockopt$inet6_IPV6_FLOWLABEL_MGR(r6, 0x29, 0x20, &(0x7f0000000040)={@loopback, 0x0, 0x0, 0x1, 0x3}, 0x20) connect$inet6(r6, &(0x7f0000000500)={0xa, 0x0, 0x40f7, @mcast2, 0x7ff}, 0x9) r7 = syz_open_procfs(0x0, &(0x7f0000000600)='net/ip6_flowlabel\x00n\xc01\x14\x894X\xed\xc1\xc9\xd8\xdcK\r\x8d\xae\x98&@\xd0\xe6\xbbQ\xd7\xffYn\x1c\x92\xde\x0e\xaa1\x91\x98\xe9\x1f\nMCi|+\xcdw\xf0\x176Z\xf1`\xac\xf3;\xd6d2\xeb\xe5\f\x0e\x8b\xda\xf7\xfc9\xfe\xff4\xef\'\xa19q\x93\"\x7fG3\xc1E\xe6e6\xc6\xc2u\x11% \xe7+0\x97\x84;\\\xda\xc4\x80\xc3\xb18N\xbfY%\x05\xf8\x85\x89\xfc\xd2\xd7') sendfile(r6, r7, &(0x7f0000000240)=0x202, 0x4000000000dc) r8 = syz_genetlink_get_family_id$nbd(&(0x7f0000000140)='nbd\x00') ioctl$KVM_S390_UCAS_UNMAP(r7, 0x4018ae51, &(0x7f00000000c0)={0x8000, 0x7ff, 0x2}) sendmsg$NBD_CMD_RECONFIGURE(r7, &(0x7f0000000200)={&(0x7f0000000100)={0x10, 0x0, 0x0, 0x80}, 0xc, &(0x7f00000001c0)={0x0}, 0x1, 0x0, 0x0, 0x4}, 0x84) sendmsg$NBD_CMD_STATUS(r5, &(0x7f00000002c0)={&(0x7f0000000180)={0x10, 0x0, 0x0, 0x1000000}, 0xc, &(0x7f0000000280)={&(0x7f00000001c0)={0x28, r8, 0x10, 0x70bd25, 0x25dfdbfb, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x5}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x28}, 0x1, 0x0, 0x0, 0x8b29ba74f3c49941}, 0x4044) r9 = openat$audio(0xffffffffffffff9c, &(0x7f0000003500)='/dev/audio\x00', 0x200000, 0x0) r10 = socket$kcm(0x2b, 0x8000000000001, 0x0) ioctl$PERF_EVENT_IOC_ENABLE(r10, 0x8912, 0x400200) r11 = openat$vcs(0xffffffffffffff9c, &(0x7f0000000000)='/dev/vcs\x00', 0x0, 0x0) r12 = socket$nl_generic(0x10, 0x3, 0x10) poll(&(0x7f0000000040)=[{r11}, {r10}, {r12}], 0x3, 0x6) sendmsg$NBD_CMD_CONNECT(r3, &(0x7f0000003600)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x80}, 0xc, &(0x7f00000035c0)={&(0x7f0000003540)={0x54, r8, 0x300, 0x70bd2b, 0x25dfdbfe, {}, [@NBD_ATTR_SOCKETS={0x2c, 0x7, [{0x8, 0x1, r9}, {0x8, 0x1, r11}, {0x8, 0x1, r0}, {0x8}, {0x8, 0x1, r0}]}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}]}, 0x54}, 0x1, 0x0, 0x0, 0x80000c0}, 0x4000000) 10:47:34 executing program 3: mknod(&(0x7f0000000040)='./bus\x00', 0x2000000000001003, 0x0) r0 = open(&(0x7f0000000100)='./bus\x00', 0x20000000000b04, 0x0) r1 = epoll_create(0x7) epoll_ctl$EPOLL_CTL_ADD(r1, 0x1, r0, &(0x7f00000001c0)) r2 = socket$kcm(0x2b, 0x8000000000001, 0x0) ioctl$PERF_EVENT_IOC_ENABLE(r2, 0x8912, 0x400200) r3 = openat$vcs(0xffffffffffffff9c, &(0x7f0000000000)='/dev/vcs\x00', 0x0, 0x0) r4 = socket$nl_generic(0x10, 0x3, 0x10) poll(&(0x7f0000000040)=[{r3}, {r2}, {r4}], 0x3, 0x6) r5 = socket(0x2000000000000021, 0x2, 0x10000000000002) connect$rxrpc(r5, &(0x7f0000000140)=@in4={0x21, 0x0, 0x2, 0x10, {0x2, 0x0, @rand_addr=0xdd}}, 0x24) sendmmsg(r5, &(0x7f0000005c00)=[{{0x0, 0xfffffffffffffd95, 0x0, 0x0, &(0x7f0000000000)=ANY=[@ANYBLOB="18000800000000001001000001000000ec00000000000000"], 0x18}}], 0x1, 0x0) r6 = socket$inet6(0xa, 0x3, 0x6) mmap(&(0x7f0000ffd000/0x2000)=nil, 0x2000, 0x8, 0x810, r6, 0x0) setsockopt$inet6_IPV6_FLOWLABEL_MGR(r6, 0x29, 0x20, &(0x7f0000000080)={@loopback, 0x800, 0x0, 0x100000003, 0x1, 0x0, 0x0, 0x400000000}, 0x20) setsockopt$inet6_IPV6_FLOWLABEL_MGR(r6, 0x29, 0x20, &(0x7f0000000300)={@mcast2, 0x10000, 0x0, 0x102, 0x8000003}, 0x20) setsockopt$inet6_IPV6_FLOWLABEL_MGR(r6, 0x29, 0x20, &(0x7f0000000040)={@loopback, 0x0, 0x0, 0x1, 0x3}, 0x20) connect$inet6(r6, &(0x7f0000000500)={0xa, 0x0, 0x40f7, @mcast2, 0x7ff}, 0x9) r7 = syz_open_procfs(0x0, &(0x7f0000000600)='net/ip6_flowlabel\x00n\xc01\x14\x894X\xed\xc1\xc9\xd8\xdcK\r\x8d\xae\x98&@\xd0\xe6\xbbQ\xd7\xffYn\x1c\x92\xde\x0e\xaa1\x91\x98\xe9\x1f\nMCi|+\xcdw\xf0\x176Z\xf1`\xac\xf3;\xd6d2\xeb\xe5\f\x0e\x8b\xda\xf7\xfc9\xfe\xff4\xef\'\xa19q\x93\"\x7fG3\xc1E\xe6e6\xc6\xc2u\x11% \xe7+0\x97\x84;\\\xda\xc4\x80\xc3\xb18N\xbfY%\x05\xf8\x85\x89\xfc\xd2\xd7') sendfile(r6, r7, &(0x7f0000000240)=0x202, 0x4000000000dc) r8 = syz_genetlink_get_family_id$nbd(&(0x7f0000000140)='nbd\x00') ioctl$KVM_S390_UCAS_UNMAP(r7, 0x4018ae51, &(0x7f00000000c0)={0x8000, 0x7ff, 0x2}) sendmsg$NBD_CMD_RECONFIGURE(r7, &(0x7f0000000200)={&(0x7f0000000100)={0x10, 0x0, 0x0, 0x80}, 0xc, &(0x7f00000001c0)={&(0x7f0000000180)={0x1ce, 0x0, 0xc05, 0x70bd29, 0x25dfdbff}, 0x14}, 0x1, 0x0, 0x0, 0x4}, 0x84) sendmsg$NBD_CMD_STATUS(r5, &(0x7f00000002c0)={&(0x7f0000000180)={0x10, 0x0, 0x0, 0x1000000}, 0xc, &(0x7f0000000280)={&(0x7f00000001c0)={0x28, r8, 0x10, 0x70bd25, 0x25dfdbfb, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x5}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x28}, 0x1, 0x0, 0x0, 0x8b29ba74f3c49941}, 0x4044) r9 = openat$audio(0xffffffffffffff9c, &(0x7f0000003500)='/dev/audio\x00', 0x200000, 0x0) r10 = socket$kcm(0x2b, 0x8000000000001, 0x0) ioctl$PERF_EVENT_IOC_ENABLE(r10, 0x8912, 0x400200) r11 = openat$vcs(0xffffffffffffff9c, &(0x7f0000000000)='/dev/vcs\x00', 0x0, 0x0) r12 = socket$nl_generic(0x10, 0x3, 0x10) poll(&(0x7f0000000040)=[{r11}, {r10}, {r12}], 0x3, 0x6) sendmsg$NBD_CMD_CONNECT(r3, &(0x7f0000003600)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x80}, 0xc, &(0x7f00000035c0)={&(0x7f0000003540)={0x54, r8, 0x300, 0x70bd2b, 0x25dfdbfe, {}, [@NBD_ATTR_SOCKETS={0x2c, 0x7, [{0x8, 0x1, r9}, {0x8, 0x1, r11}, {0x8, 0x1, r0}, {0x8}, {0x8, 0x1, r0}]}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}]}, 0x54}, 0x1, 0x0, 0x0, 0x80000c0}, 0x4000000) 10:47:34 executing program 1: r0 = perf_event_open(&(0x7f0000940000)={0x2, 0x70, 0xfffffffffffffffd, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}}, 0x0, 0x0, 0xffffffffffffffff, 0x0) mmap(&(0x7f00004da000/0x1000)=nil, 0x1000, 0x0, 0x4000012, r0, 0x0) mincore(&(0x7f00003fa000/0x200000)=nil, 0x2001d9, &(0x7f0000000000)=""/222) 10:47:34 executing program 2: r0 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f00000000c0)='memory.events\x00', 0x26e1, 0x0) r1 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000100)='memory.events\x00', 0x7a05, 0x1700) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000140)='nbd\x00') sendmsg$NBD_CMD_STATUS(r1, &(0x7f0000000280)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0xc0020}, 0xc, &(0x7f0000000240)={&(0x7f0000000200)=ANY=[@ANYBLOB='\t\x00\x00\x00', @ANYRES16=r2, @ANYBLOB="04002cbd7000fedbdf25050000000c0006000100000000000000"], 0x20}, 0x1, 0x0, 0x0, 0x40}, 0x20) write$cgroup_subtree(r0, &(0x7f0000000600)=ANY=[@ANYPTR64], 0xfe9d) ioctl$FS_IOC_RESVSP(r0, 0x40305828, &(0x7f00000001c0)={0x0, 0x0, 0x0, 0xcf}) socket$packet(0x11, 0x3, 0x300) ioctl$FS_IOC_RESVSP(r1, 0x40305828, &(0x7f0000000180)={0x0, 0x0, 0xae15, 0xd8a}) ioctl$FS_IOC_SETFLAGS(r1, 0x40086602, &(0x7f0000000080)=0x9) getsockopt$inet_sctp6_SCTP_DELAYED_SACK(0xffffffffffffffff, 0x84, 0x10, &(0x7f00000002c0)=@assoc_value={0x0, 0x8}, &(0x7f0000000300)=0x8) getsockopt$inet_sctp_SCTP_DEFAULT_SEND_PARAM(r1, 0x84, 0xa, &(0x7f0000000340)={0x0, 0x100, 0x200, 0xfffffc01, 0xf6, 0x8, 0x4, 0x76d, r3}, &(0x7f0000000380)=0x20) socketpair$unix(0x1, 0x1, 0x0, &(0x7f0000000180)={0xffffffffffffffff, 0xffffffffffffffff}) r5 = dup(r4) ioctl$PERF_EVENT_IOC_ENABLE(r5, 0x8912, 0x400200) fcntl$dupfd(0xffffffffffffffff, 0x0, 0xffffffffffffffff) write$cgroup_pid(r1, &(0x7f0000000000), 0xfffffea6) 10:47:34 executing program 1: r0 = perf_event_open(&(0x7f0000940000)={0x2, 0x70, 0xfffffffffffffffd, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}}, 0x0, 0x0, 0xffffffffffffffff, 0x0) mmap(&(0x7f00004da000/0x1000)=nil, 0x1000, 0x0, 0x4000012, r0, 0x0) mincore(&(0x7f00003fa000/0x200000)=nil, 0x2001da, &(0x7f0000000000)=""/222) 10:47:34 executing program 3: mknod(&(0x7f0000000040)='./bus\x00', 0x2000000000001003, 0x0) r0 = open(&(0x7f0000000100)='./bus\x00', 0x20000000000b04, 0x0) r1 = epoll_create(0x7) epoll_ctl$EPOLL_CTL_ADD(r1, 0x1, r0, &(0x7f00000001c0)) r2 = socket$kcm(0x2b, 0x8000000000001, 0x0) ioctl$PERF_EVENT_IOC_ENABLE(r2, 0x8912, 0x400200) r3 = openat$vcs(0xffffffffffffff9c, &(0x7f0000000000)='/dev/vcs\x00', 0x0, 0x0) r4 = socket$nl_generic(0x10, 0x3, 0x10) poll(&(0x7f0000000040)=[{r3}, {r2}, {r4}], 0x3, 0x6) r5 = socket(0x2000000000000021, 0x2, 0x10000000000002) connect$rxrpc(r5, &(0x7f0000000140)=@in4={0x21, 0x0, 0x2, 0x10, {0x2, 0x0, @rand_addr=0xdd}}, 0x24) sendmmsg(r5, &(0x7f0000005c00)=[{{0x0, 0xfffffffffffffd95, 0x0, 0x0, &(0x7f0000000000)=ANY=[@ANYBLOB="18000800000000001001000001000000ec00000000000000"], 0x18}}], 0x1, 0x0) r6 = socket$inet6(0xa, 0x3, 0x6) mmap(&(0x7f0000ffd000/0x2000)=nil, 0x2000, 0x8, 0x810, r6, 0x0) setsockopt$inet6_IPV6_FLOWLABEL_MGR(r6, 0x29, 0x20, &(0x7f0000000080)={@loopback, 0x800, 0x0, 0x100000003, 0x1, 0x0, 0x0, 0x400000000}, 0x20) setsockopt$inet6_IPV6_FLOWLABEL_MGR(r6, 0x29, 0x20, &(0x7f0000000300)={@mcast2, 0x10000, 0x0, 0x102, 0x8000003}, 0x20) setsockopt$inet6_IPV6_FLOWLABEL_MGR(r6, 0x29, 0x20, &(0x7f0000000040)={@loopback, 0x0, 0x0, 0x1, 0x3}, 0x20) connect$inet6(r6, &(0x7f0000000500)={0xa, 0x0, 0x40f7, @mcast2, 0x7ff}, 0x9) r7 = syz_open_procfs(0x0, &(0x7f0000000600)='net/ip6_flowlabel\x00n\xc01\x14\x894X\xed\xc1\xc9\xd8\xdcK\r\x8d\xae\x98&@\xd0\xe6\xbbQ\xd7\xffYn\x1c\x92\xde\x0e\xaa1\x91\x98\xe9\x1f\nMCi|+\xcdw\xf0\x176Z\xf1`\xac\xf3;\xd6d2\xeb\xe5\f\x0e\x8b\xda\xf7\xfc9\xfe\xff4\xef\'\xa19q\x93\"\x7fG3\xc1E\xe6e6\xc6\xc2u\x11% \xe7+0\x97\x84;\\\xda\xc4\x80\xc3\xb18N\xbfY%\x05\xf8\x85\x89\xfc\xd2\xd7') sendfile(r6, r7, &(0x7f0000000240)=0x202, 0x4000000000dc) r8 = syz_genetlink_get_family_id$nbd(&(0x7f0000000140)='nbd\x00') ioctl$KVM_S390_UCAS_UNMAP(r7, 0x4018ae51, &(0x7f00000000c0)={0x8000, 0x7ff, 0x2}) sendmsg$NBD_CMD_RECONFIGURE(r7, &(0x7f0000000200)={&(0x7f0000000100)={0x10, 0x0, 0x0, 0x80}, 0xc, &(0x7f00000001c0)={&(0x7f0000000180)={0x1ce, 0x0, 0xc05, 0x70bd29, 0x25dfdbff}, 0x14}, 0x1, 0x0, 0x0, 0x4}, 0x84) sendmsg$NBD_CMD_STATUS(r5, &(0x7f00000002c0)={&(0x7f0000000180)={0x10, 0x0, 0x0, 0x1000000}, 0xc, &(0x7f0000000280)={&(0x7f00000001c0)={0x28, r8, 0x10, 0x70bd25, 0x25dfdbfb, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x5}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x28}, 0x1, 0x0, 0x0, 0x8b29ba74f3c49941}, 0x4044) r9 = openat$audio(0xffffffffffffff9c, &(0x7f0000003500)='/dev/audio\x00', 0x200000, 0x0) r10 = socket$kcm(0x2b, 0x8000000000001, 0x0) ioctl$PERF_EVENT_IOC_ENABLE(r10, 0x8912, 0x400200) r11 = openat$vcs(0xffffffffffffff9c, &(0x7f0000000000)='/dev/vcs\x00', 0x0, 0x0) r12 = socket$nl_generic(0x10, 0x3, 0x10) poll(&(0x7f0000000040)=[{r11}, {r10}, {r12}], 0x3, 0x6) sendmsg$NBD_CMD_CONNECT(r3, &(0x7f0000003600)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x80}, 0xc, &(0x7f00000035c0)={&(0x7f0000003540)={0x54, r8, 0x300, 0x70bd2b, 0x25dfdbfe, {}, [@NBD_ATTR_SOCKETS={0x2c, 0x7, [{0x8, 0x1, r9}, {0x8, 0x1, r11}, {0x8, 0x1, r0}, {0x8}, {0x8, 0x1, r0}]}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}]}, 0x54}, 0x1, 0x0, 0x0, 0x80000c0}, 0x4000000) 10:47:35 executing program 5: rt_sigprocmask(0x0, &(0x7f0000000040)={0xfffffffffffffffc}, 0x0, 0x8) r0 = gettid() timer_create(0x0, &(0x7f0000044000)={0x0, 0x14, 0x4, @tid=r0}, &(0x7f0000044000)) timer_settime(0x0, 0x0, &(0x7f0000000000)={{0x0, 0x1c9c380}}, 0x0) rt_sigtimedwait(&(0x7f00005a1000)={0xfffffffffffffffd}, 0x0, 0x0, 0x8) 10:47:35 executing program 2: r0 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f00000000c0)='memory.events\x00', 0x26e1, 0x0) r1 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000100)='memory.events\x00', 0x7a05, 0x1700) r2 = socket$inet6_dccp(0xa, 0x6, 0x0) getsockopt$inet6_int(r2, 0x29, 0x3c, 0x0, &(0x7f00000015c0)) sendmmsg$inet6(r2, &(0x7f0000001900)=[{{&(0x7f0000000040)={0xa, 0x4e21, 0x1, @empty}, 0x1c, &(0x7f0000000400)=[{&(0x7f0000000640)="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", 0x1000}, {&(0x7f0000000140)="a44f33d9e6737033da2cb987e83514dc7cc06c3547a1a7cd2bda43e66211e938b07ad0800d4d27eb", 0x28}, {&(0x7f0000000200)="37da59dee479a1dc0f028cf30502aa1c91827cde55ce33251019f5ffc2f1c369702a6dcf864591774f436f45da3a3511a97ba70bad9f6b47c5753437cf72298c24c12639ccf6df28e26c069be6d8e54c33af53ee2241f073f9d546d31cacb4ad3faa40fd9046bf89dadeb725c9404f262e67a35c5daadfff9f868f656c2fc9c8509086279247bfe8fb856374868546f4321af144d007c4929bf9c8416023c638489b21623002940365c2a2244d2eb73f4353751a3c5f50f577ee8e87a2568e1dc41ae5751269ba4a0beae4c7b13f48", 0xcf}, {&(0x7f0000000300)="c680945b21ed6de5ba3c256ecb52552e7754cd1efcb21a72c3d25b7629b51fb2b7dd0bfbb682898bdf40dd5c0a15fa60e26a543268402cc31e6fdb26b7f85c6e240668666bfe5dee901d47f287be9fcc7ec01b9f79ff191bfb0883bbe1bf89c7b27c4a74de15cdf201041172038d414cde9ebcfabb2e1c7f6d721bc0b05f658eb2e7c6395e2bec9de84eef251258b6a4c5b5b8503e11ae0d5bcf97d41a49f96ccdc9f70b4a4df7b7f59d5a7015b8e885b38508645d859c7f8e83a7f79719fec7012d0a18fccbbdbf", 0xc8}], 0x4, &(0x7f0000000440)=[@hoplimit={{0x14, 0x29, 0x34, 0x8d8}}], 0x18}}, {{&(0x7f0000000480)={0xa, 0x4e21, 0x8, @local, 0x6}, 0x1c, &(0x7f00000005c0)=[{&(0x7f00000004c0)="88cb1158fa274215ba52fb4d0cd6c4954d2d6088ce407d180556d20e0abc77bafb19e265808d382154bc930b401f23b26835c26e153f49c88b8b89749ed112f15e6ec05e1fbb2863d4190e7114def4a527716559ca7d21862082c7adbb41ce45c26d0a1e1a57cfa9c3a2f0f5cca9f829ab01d482a00685a6656bd352e58c8c2ee2af7569a7bedb8ef80be0135d6e99ce30ecb5e9f05336174f36ca3b3c69a658fe3a90e739bf6c966167166e2e7891ed509a41a3da33831b84eb754e2ba40c1ec05b3e8b74663b530f8982999066fdcfd79082bf339090602474ab22fad1b65df5d184bbdb2400cd24e941de37c45aa0bd363f4ac6c37d", 0xf7}, {&(0x7f0000001640)="85484491534d76a1a462d21ed6813a1864f1ef5ccfdd37d8f140c09d84a0c09a519bd49c3c31c516f5b1195568105fc43fcd946d30fe40410e157f72d10928184f2f04086184d62f6e0b0937a179ca1f8eee3641f6602015ad03", 0x5a}, {&(0x7f00000016c0)="65c2250f855fa36597fbb58f2a74aff333f0daccd297a00980850afa9de7e0d76304e4905eda86e51e9776542ab0175a52c4611eedc5a85fe7a50b64951c5f9ce789af8d699e3caf772a3b01b049d3bd8a49b777f7ff5bd8817fb632ec555ec5d4fdcd66735dbe96d9e0d858e07059f39fbafdeb8e6926ac90daa21bc85226e286c7ed9e508b916b0e42db1ec30c122e4d5ae0a3c7a16743d21ea530e9498d0cc60783152d7b1f124ac5cf8ef6ef8c7835e8746b3455a060eb2291eb9dce9fe8cd8d85655ba8e4f92a4d4d90dac573238c041d1fed1a", 0xd6}], 0x3, &(0x7f00000017c0)=[@hoplimit_2292={{0x14, 0x29, 0x8, 0x101}}, @pktinfo={{0x24, 0x29, 0x32, {@loopback}}}], 0x40}}, {{&(0x7f0000001800)={0xa, 0x4e23, 0x2, @mcast1, 0x401}, 0x1c, &(0x7f0000001880)=[{&(0x7f0000001840)}], 0x1, &(0x7f00000018c0)=[@hoplimit_2292={{0x14, 0x29, 0x8, 0x3}}, @dontfrag={{0x14, 0x29, 0x3e, 0x10000}}], 0x30}}], 0x3, 0x0) write$cgroup_subtree(r0, &(0x7f0000000600)=ANY=[@ANYPTR64], 0xfe9d) ioctl$FS_IOC_RESVSP(r0, 0x40305828, &(0x7f00000001c0)={0x0, 0x0, 0x0, 0xcf}) ioctl$FS_IOC_RESVSP(r1, 0x40305828, &(0x7f0000000180)={0x0, 0x0, 0xae15, 0xd8a}) ioctl$FS_IOC_SETFLAGS(r1, 0x40086602, &(0x7f0000000080)=0x9) socketpair$unix(0x1, 0x1, 0x0, &(0x7f0000000180)={0xffffffffffffffff, 0xffffffffffffffff}) r4 = dup(r3) ioctl$PERF_EVENT_IOC_ENABLE(r4, 0x8912, 0x400200) fcntl$dupfd(0xffffffffffffffff, 0x0, 0xffffffffffffffff) write$cgroup_pid(r1, &(0x7f0000000000), 0xfffffea6) 10:47:35 executing program 1: r0 = perf_event_open(&(0x7f0000940000)={0x2, 0x70, 0xfffffffffffffffd, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}}, 0x0, 0x0, 0xffffffffffffffff, 0x0) mmap(&(0x7f00004da000/0x1000)=nil, 0x1000, 0x0, 0x4000012, r0, 0x0) mincore(&(0x7f00003fa000/0x200000)=nil, 0x2001db, &(0x7f0000000000)=""/222) 10:47:35 executing program 3: mknod(&(0x7f0000000040)='./bus\x00', 0x2000000000001003, 0x0) r0 = open(&(0x7f0000000100)='./bus\x00', 0x20000000000b04, 0x0) r1 = epoll_create(0x7) epoll_ctl$EPOLL_CTL_ADD(r1, 0x1, r0, &(0x7f00000001c0)) r2 = socket$kcm(0x2b, 0x8000000000001, 0x0) ioctl$PERF_EVENT_IOC_ENABLE(r2, 0x8912, 0x400200) r3 = openat$vcs(0xffffffffffffff9c, &(0x7f0000000000)='/dev/vcs\x00', 0x0, 0x0) r4 = socket$nl_generic(0x10, 0x3, 0x10) poll(&(0x7f0000000040)=[{r3}, {r2}, {r4}], 0x3, 0x6) r5 = socket(0x2000000000000021, 0x2, 0x10000000000002) connect$rxrpc(r5, &(0x7f0000000140)=@in4={0x21, 0x0, 0x2, 0x10, {0x2, 0x0, @rand_addr=0xdd}}, 0x24) sendmmsg(r5, &(0x7f0000005c00)=[{{0x0, 0xfffffffffffffd95, 0x0, 0x0, &(0x7f0000000000)=ANY=[@ANYBLOB="18000800000000001001000001000000ec00000000000000"], 0x18}}], 0x1, 0x0) r6 = socket$inet6(0xa, 0x3, 0x6) mmap(&(0x7f0000ffd000/0x2000)=nil, 0x2000, 0x8, 0x810, r6, 0x0) setsockopt$inet6_IPV6_FLOWLABEL_MGR(r6, 0x29, 0x20, &(0x7f0000000080)={@loopback, 0x800, 0x0, 0x100000003, 0x1, 0x0, 0x0, 0x400000000}, 0x20) setsockopt$inet6_IPV6_FLOWLABEL_MGR(r6, 0x29, 0x20, &(0x7f0000000300)={@mcast2, 0x10000, 0x0, 0x102, 0x8000003}, 0x20) setsockopt$inet6_IPV6_FLOWLABEL_MGR(r6, 0x29, 0x20, &(0x7f0000000040)={@loopback, 0x0, 0x0, 0x1, 0x3}, 0x20) connect$inet6(r6, &(0x7f0000000500)={0xa, 0x0, 0x40f7, @mcast2, 0x7ff}, 0x9) r7 = syz_open_procfs(0x0, &(0x7f0000000600)='net/ip6_flowlabel\x00n\xc01\x14\x894X\xed\xc1\xc9\xd8\xdcK\r\x8d\xae\x98&@\xd0\xe6\xbbQ\xd7\xffYn\x1c\x92\xde\x0e\xaa1\x91\x98\xe9\x1f\nMCi|+\xcdw\xf0\x176Z\xf1`\xac\xf3;\xd6d2\xeb\xe5\f\x0e\x8b\xda\xf7\xfc9\xfe\xff4\xef\'\xa19q\x93\"\x7fG3\xc1E\xe6e6\xc6\xc2u\x11% \xe7+0\x97\x84;\\\xda\xc4\x80\xc3\xb18N\xbfY%\x05\xf8\x85\x89\xfc\xd2\xd7') sendfile(r6, r7, &(0x7f0000000240)=0x202, 0x4000000000dc) r8 = syz_genetlink_get_family_id$nbd(&(0x7f0000000140)='nbd\x00') ioctl$KVM_S390_UCAS_UNMAP(r7, 0x4018ae51, &(0x7f00000000c0)={0x8000, 0x7ff, 0x2}) sendmsg$NBD_CMD_RECONFIGURE(r7, &(0x7f0000000200)={&(0x7f0000000100)={0x10, 0x0, 0x0, 0x80}, 0xc, &(0x7f00000001c0)={&(0x7f0000000180)={0x1ce, 0x0, 0xc05, 0x70bd29, 0x25dfdbff}, 0x14}, 0x1, 0x0, 0x0, 0x4}, 0x84) sendmsg$NBD_CMD_STATUS(r5, &(0x7f00000002c0)={&(0x7f0000000180)={0x10, 0x0, 0x0, 0x1000000}, 0xc, &(0x7f0000000280)={&(0x7f00000001c0)={0x28, r8, 0x10, 0x70bd25, 0x25dfdbfb, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x5}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x28}, 0x1, 0x0, 0x0, 0x8b29ba74f3c49941}, 0x4044) r9 = openat$audio(0xffffffffffffff9c, &(0x7f0000003500)='/dev/audio\x00', 0x200000, 0x0) r10 = socket$kcm(0x2b, 0x8000000000001, 0x0) ioctl$PERF_EVENT_IOC_ENABLE(r10, 0x8912, 0x400200) r11 = openat$vcs(0xffffffffffffff9c, &(0x7f0000000000)='/dev/vcs\x00', 0x0, 0x0) r12 = socket$nl_generic(0x10, 0x3, 0x10) poll(&(0x7f0000000040)=[{r11}, {r10}, {r12}], 0x3, 0x6) sendmsg$NBD_CMD_CONNECT(r3, &(0x7f0000003600)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x80}, 0xc, &(0x7f00000035c0)={&(0x7f0000003540)={0x54, r8, 0x300, 0x70bd2b, 0x25dfdbfe, {}, [@NBD_ATTR_SOCKETS={0x2c, 0x7, [{0x8, 0x1, r9}, {0x8, 0x1, r11}, {0x8, 0x1, r0}, {0x8}, {0x8, 0x1, r0}]}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}]}, 0x54}, 0x1, 0x0, 0x0, 0x80000c0}, 0x4000000) 10:47:35 executing program 3: mknod(&(0x7f0000000040)='./bus\x00', 0x2000000000001003, 0x0) r0 = open(&(0x7f0000000100)='./bus\x00', 0x20000000000b04, 0x0) r1 = epoll_create(0x7) epoll_ctl$EPOLL_CTL_ADD(r1, 0x1, r0, &(0x7f00000001c0)) r2 = socket$kcm(0x2b, 0x8000000000001, 0x0) ioctl$PERF_EVENT_IOC_ENABLE(r2, 0x8912, 0x400200) r3 = openat$vcs(0xffffffffffffff9c, &(0x7f0000000000)='/dev/vcs\x00', 0x0, 0x0) r4 = socket$nl_generic(0x10, 0x3, 0x10) poll(&(0x7f0000000040)=[{r3}, {r2}, {r4}], 0x3, 0x6) r5 = socket(0x2000000000000021, 0x2, 0x10000000000002) connect$rxrpc(r5, &(0x7f0000000140)=@in4={0x21, 0x0, 0x2, 0x10, {0x2, 0x0, @rand_addr=0xdd}}, 0x24) sendmmsg(r5, &(0x7f0000005c00)=[{{0x0, 0xfffffffffffffd95, 0x0, 0x0, &(0x7f0000000000)=ANY=[@ANYBLOB="18000800000000001001000001000000ec00000000000000"], 0x18}}], 0x1, 0x0) r6 = socket$inet6(0xa, 0x3, 0x6) mmap(&(0x7f0000ffd000/0x2000)=nil, 0x2000, 0x8, 0x810, r6, 0x0) setsockopt$inet6_IPV6_FLOWLABEL_MGR(r6, 0x29, 0x20, &(0x7f0000000080)={@loopback, 0x800, 0x0, 0x100000003, 0x1, 0x0, 0x0, 0x400000000}, 0x20) setsockopt$inet6_IPV6_FLOWLABEL_MGR(r6, 0x29, 0x20, &(0x7f0000000300)={@mcast2, 0x10000, 0x0, 0x102, 0x8000003}, 0x20) setsockopt$inet6_IPV6_FLOWLABEL_MGR(r6, 0x29, 0x20, &(0x7f0000000040)={@loopback, 0x0, 0x0, 0x1, 0x3}, 0x20) connect$inet6(r6, &(0x7f0000000500)={0xa, 0x0, 0x40f7, @mcast2, 0x7ff}, 0x9) r7 = syz_open_procfs(0x0, &(0x7f0000000600)='net/ip6_flowlabel\x00n\xc01\x14\x894X\xed\xc1\xc9\xd8\xdcK\r\x8d\xae\x98&@\xd0\xe6\xbbQ\xd7\xffYn\x1c\x92\xde\x0e\xaa1\x91\x98\xe9\x1f\nMCi|+\xcdw\xf0\x176Z\xf1`\xac\xf3;\xd6d2\xeb\xe5\f\x0e\x8b\xda\xf7\xfc9\xfe\xff4\xef\'\xa19q\x93\"\x7fG3\xc1E\xe6e6\xc6\xc2u\x11% \xe7+0\x97\x84;\\\xda\xc4\x80\xc3\xb18N\xbfY%\x05\xf8\x85\x89\xfc\xd2\xd7') sendfile(r6, r7, &(0x7f0000000240)=0x202, 0x4000000000dc) r8 = syz_genetlink_get_family_id$nbd(&(0x7f0000000140)='nbd\x00') ioctl$KVM_S390_UCAS_UNMAP(r7, 0x4018ae51, &(0x7f00000000c0)={0x8000, 0x7ff, 0x2}) sendmsg$NBD_CMD_RECONFIGURE(r7, &(0x7f0000000200)={&(0x7f0000000100)={0x10, 0x0, 0x0, 0x80}, 0xc, &(0x7f00000001c0)={&(0x7f0000000180)={0x1ce, r8, 0x0, 0x70bd29, 0x25dfdbff}, 0x14}, 0x1, 0x0, 0x0, 0x4}, 0x84) sendmsg$NBD_CMD_STATUS(r5, &(0x7f00000002c0)={&(0x7f0000000180)={0x10, 0x0, 0x0, 0x1000000}, 0xc, &(0x7f0000000280)={&(0x7f00000001c0)={0x28, r8, 0x10, 0x70bd25, 0x25dfdbfb, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x5}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x28}, 0x1, 0x0, 0x0, 0x8b29ba74f3c49941}, 0x4044) r9 = openat$audio(0xffffffffffffff9c, &(0x7f0000003500)='/dev/audio\x00', 0x200000, 0x0) r10 = socket$kcm(0x2b, 0x8000000000001, 0x0) ioctl$PERF_EVENT_IOC_ENABLE(r10, 0x8912, 0x400200) r11 = openat$vcs(0xffffffffffffff9c, &(0x7f0000000000)='/dev/vcs\x00', 0x0, 0x0) r12 = socket$nl_generic(0x10, 0x3, 0x10) poll(&(0x7f0000000040)=[{r11}, {r10}, {r12}], 0x3, 0x6) sendmsg$NBD_CMD_CONNECT(r3, &(0x7f0000003600)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x80}, 0xc, &(0x7f00000035c0)={&(0x7f0000003540)={0x54, r8, 0x300, 0x70bd2b, 0x25dfdbfe, {}, [@NBD_ATTR_SOCKETS={0x2c, 0x7, [{0x8, 0x1, r9}, {0x8, 0x1, r11}, {0x8, 0x1, r0}, {0x8}, {0x8, 0x1, r0}]}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}]}, 0x54}, 0x1, 0x0, 0x0, 0x80000c0}, 0x4000000) 10:47:35 executing program 1: r0 = perf_event_open(&(0x7f0000940000)={0x2, 0x70, 0xfffffffffffffffd, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}}, 0x0, 0x0, 0xffffffffffffffff, 0x0) mmap(&(0x7f00004da000/0x1000)=nil, 0x1000, 0x0, 0x4000012, r0, 0x0) mincore(&(0x7f00003fa000/0x200000)=nil, 0x2001dc, &(0x7f0000000000)=""/222) 10:47:35 executing program 2: r0 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f00000000c0)='memory.events\x00', 0x26e1, 0x0) r1 = openat$cgroup_ro(r0, &(0x7f0000000100)='mets\x00\b\x00\x00\x00\x00\x00\x00\x00\x00', 0x7a05, 0x1700) write$cgroup_subtree(r0, &(0x7f0000000600)=ANY=[@ANYPTR64], 0xfe9d) ioctl$FS_IOC_RESVSP(r0, 0x40305828, &(0x7f00000001c0)={0x0, 0x0, 0x0, 0xcf}) lookup_dcookie(0x3, &(0x7f0000000280)=""/120, 0x78) r2 = socket$inet6_dccp(0xa, 0x6, 0x0) getsockopt$inet6_int(r2, 0x29, 0x3c, 0x0, &(0x7f00000015c0)) r3 = socket$kcm(0x2b, 0x8000000000001, 0x0) ioctl$PERF_EVENT_IOC_ENABLE(r3, 0x8912, 0x400200) r4 = openat$vcs(0xffffffffffffff9c, &(0x7f0000000000)='/dev/vcs\x00', 0x0, 0x0) r5 = socket$nl_generic(0x10, 0x3, 0x10) poll(&(0x7f0000000040)=[{r4}, {r3}, {r5}], 0x3, 0x6) getsockopt$SO_J1939_SEND_PRIO(r4, 0x6b, 0x3, &(0x7f0000000300), &(0x7f0000000340)=0x4) ioctl$FS_IOC_RESVSP(r2, 0x40305828, &(0x7f0000000180)={0x0, 0x0, 0xae15, 0xfffffffffffffffb}) ioctl$FS_IOC_SETFLAGS(r1, 0x40086602, &(0x7f0000000080)=0x9) socketpair$unix(0x1, 0x1, 0x0, &(0x7f0000000180)={0xffffffffffffffff, 0xffffffffffffffff}) r7 = dup(r6) ioctl$PERF_EVENT_IOC_ENABLE(r7, 0x8912, 0x400200) getsockopt$inet_sctp6_SCTP_PEER_AUTH_CHUNKS(0xffffffffffffffff, 0x84, 0x1a, &(0x7f0000000040)={0x0, 0x1, "da"}, &(0x7f0000000140)=0x9) setsockopt$inet_sctp_SCTP_STREAM_SCHEDULER(r0, 0x84, 0x7b, &(0x7f0000000200)={r8, 0x1}, 0x8) r9 = socket$inet6_dccp(0xa, 0x6, 0x0) getsockopt$inet6_int(r9, 0x29, 0x3c, 0x0, &(0x7f00000015c0)) r10 = syz_open_dev$sg(&(0x7f0000000240)='/dev/sg#\x00', 0x80000000, 0xc0182) fcntl$dupfd(0xffffffffffffffff, 0x0, r10) write$cgroup_pid(r1, &(0x7f0000000000), 0xfffffea6) 10:47:35 executing program 1: r0 = perf_event_open(&(0x7f0000940000)={0x2, 0x70, 0xfffffffffffffffd, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}}, 0x0, 0x0, 0xffffffffffffffff, 0x0) mmap(&(0x7f00004da000/0x1000)=nil, 0x1000, 0x0, 0x4000012, r0, 0x0) mincore(&(0x7f00003fa000/0x200000)=nil, 0x2001dd, &(0x7f0000000000)=""/222) 10:47:35 executing program 2: r0 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f00000000c0)='memory.events\x00', 0x26e1, 0x0) r1 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000100)='memory.events\x00', 0x7a05, 0x1700) write$cgroup_subtree(r0, &(0x7f0000000600)=ANY=[@ANYPTR64], 0xfe9d) ioctl$FS_IOC_RESVSP(r0, 0x40305828, &(0x7f00000001c0)={0x0, 0x0, 0x0, 0xcf}) ioctl$FS_IOC_RESVSP(r1, 0x40305828, &(0x7f0000000180)={0x0, 0x0, 0xae15, 0xd8a}) write$FUSE_NOTIFY_INVAL_INODE(r0, &(0x7f0000000040)={0x28, 0x2, 0x0, {0x3, 0x4602, 0x4}}, 0x28) ioctl$FS_IOC_SETFLAGS(r1, 0x40086602, &(0x7f0000000080)=0x9) socketpair$unix(0x1, 0x1, 0x0, &(0x7f0000000180)={0xffffffffffffffff, 0xffffffffffffffff}) r3 = dup(r2) r4 = socket$kcm(0x2b, 0x8000000000001, 0x0) ioctl$PERF_EVENT_IOC_ENABLE(r4, 0x8912, 0x400200) r5 = openat$vcs(0xffffffffffffff9c, &(0x7f0000000000)='/dev/vcs\x00', 0x0, 0x0) r6 = socket$nl_generic(0x10, 0x3, 0x10) poll(&(0x7f0000000040)=[{r5}, {r4}, {r6}], 0x3, 0x6) setsockopt$bt_BT_FLUSHABLE(r5, 0x112, 0x8, &(0x7f0000000140)=0x3c665371, 0x4) ioctl$PERF_EVENT_IOC_ENABLE(r3, 0x8912, 0x400200) fcntl$dupfd(r0, 0x0, 0xffffffffffffffff) write$cgroup_pid(r1, &(0x7f0000000000), 0xfffffea6) 10:47:35 executing program 3: mknod(&(0x7f0000000040)='./bus\x00', 0x2000000000001003, 0x0) r0 = open(&(0x7f0000000100)='./bus\x00', 0x20000000000b04, 0x0) r1 = epoll_create(0x7) epoll_ctl$EPOLL_CTL_ADD(r1, 0x1, r0, &(0x7f00000001c0)) r2 = socket$kcm(0x2b, 0x8000000000001, 0x0) ioctl$PERF_EVENT_IOC_ENABLE(r2, 0x8912, 0x400200) r3 = openat$vcs(0xffffffffffffff9c, &(0x7f0000000000)='/dev/vcs\x00', 0x0, 0x0) r4 = socket$nl_generic(0x10, 0x3, 0x10) poll(&(0x7f0000000040)=[{r3}, {r2}, {r4}], 0x3, 0x6) r5 = socket(0x2000000000000021, 0x2, 0x10000000000002) connect$rxrpc(r5, &(0x7f0000000140)=@in4={0x21, 0x0, 0x2, 0x10, {0x2, 0x0, @rand_addr=0xdd}}, 0x24) sendmmsg(r5, &(0x7f0000005c00)=[{{0x0, 0xfffffffffffffd95, 0x0, 0x0, &(0x7f0000000000)=ANY=[@ANYBLOB="18000800000000001001000001000000ec00000000000000"], 0x18}}], 0x1, 0x0) r6 = socket$inet6(0xa, 0x3, 0x6) mmap(&(0x7f0000ffd000/0x2000)=nil, 0x2000, 0x8, 0x810, r6, 0x0) setsockopt$inet6_IPV6_FLOWLABEL_MGR(r6, 0x29, 0x20, &(0x7f0000000080)={@loopback, 0x800, 0x0, 0x100000003, 0x1, 0x0, 0x0, 0x400000000}, 0x20) setsockopt$inet6_IPV6_FLOWLABEL_MGR(r6, 0x29, 0x20, &(0x7f0000000300)={@mcast2, 0x10000, 0x0, 0x102, 0x8000003}, 0x20) setsockopt$inet6_IPV6_FLOWLABEL_MGR(r6, 0x29, 0x20, &(0x7f0000000040)={@loopback, 0x0, 0x0, 0x1, 0x3}, 0x20) connect$inet6(r6, &(0x7f0000000500)={0xa, 0x0, 0x40f7, @mcast2, 0x7ff}, 0x9) r7 = syz_open_procfs(0x0, &(0x7f0000000600)='net/ip6_flowlabel\x00n\xc01\x14\x894X\xed\xc1\xc9\xd8\xdcK\r\x8d\xae\x98&@\xd0\xe6\xbbQ\xd7\xffYn\x1c\x92\xde\x0e\xaa1\x91\x98\xe9\x1f\nMCi|+\xcdw\xf0\x176Z\xf1`\xac\xf3;\xd6d2\xeb\xe5\f\x0e\x8b\xda\xf7\xfc9\xfe\xff4\xef\'\xa19q\x93\"\x7fG3\xc1E\xe6e6\xc6\xc2u\x11% \xe7+0\x97\x84;\\\xda\xc4\x80\xc3\xb18N\xbfY%\x05\xf8\x85\x89\xfc\xd2\xd7') sendfile(r6, r7, &(0x7f0000000240)=0x202, 0x4000000000dc) r8 = syz_genetlink_get_family_id$nbd(&(0x7f0000000140)='nbd\x00') ioctl$KVM_S390_UCAS_UNMAP(r7, 0x4018ae51, &(0x7f00000000c0)={0x8000, 0x7ff, 0x2}) sendmsg$NBD_CMD_RECONFIGURE(r7, &(0x7f0000000200)={&(0x7f0000000100)={0x10, 0x0, 0x0, 0x80}, 0xc, &(0x7f00000001c0)={&(0x7f0000000180)={0x1ce, r8, 0x0, 0x70bd29, 0x25dfdbff}, 0x14}, 0x1, 0x0, 0x0, 0x4}, 0x84) sendmsg$NBD_CMD_STATUS(r5, &(0x7f00000002c0)={&(0x7f0000000180)={0x10, 0x0, 0x0, 0x1000000}, 0xc, &(0x7f0000000280)={&(0x7f00000001c0)={0x28, r8, 0x10, 0x70bd25, 0x25dfdbfb, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x5}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x28}, 0x1, 0x0, 0x0, 0x8b29ba74f3c49941}, 0x4044) r9 = openat$audio(0xffffffffffffff9c, &(0x7f0000003500)='/dev/audio\x00', 0x200000, 0x0) r10 = socket$kcm(0x2b, 0x8000000000001, 0x0) ioctl$PERF_EVENT_IOC_ENABLE(r10, 0x8912, 0x400200) r11 = openat$vcs(0xffffffffffffff9c, &(0x7f0000000000)='/dev/vcs\x00', 0x0, 0x0) r12 = socket$nl_generic(0x10, 0x3, 0x10) poll(&(0x7f0000000040)=[{r11}, {r10}, {r12}], 0x3, 0x6) sendmsg$NBD_CMD_CONNECT(r3, &(0x7f0000003600)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x80}, 0xc, &(0x7f00000035c0)={&(0x7f0000003540)={0x54, r8, 0x300, 0x70bd2b, 0x25dfdbfe, {}, [@NBD_ATTR_SOCKETS={0x2c, 0x7, [{0x8, 0x1, r9}, {0x8, 0x1, r11}, {0x8, 0x1, r0}, {0x8}, {0x8, 0x1, r0}]}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}]}, 0x54}, 0x1, 0x0, 0x0, 0x80000c0}, 0x4000000) [ 1001.269210][ C1] net_ratelimit: 12 callbacks suppressed [ 1001.269221][ C1] protocol 88fb is buggy, dev hsr_slave_0 [ 1001.280694][ C1] protocol 88fb is buggy, dev hsr_slave_1 10:47:35 executing program 1: r0 = perf_event_open(&(0x7f0000940000)={0x2, 0x70, 0xfffffffffffffffd, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}}, 0x0, 0x0, 0xffffffffffffffff, 0x0) mmap(&(0x7f00004da000/0x1000)=nil, 0x1000, 0x0, 0x4000012, r0, 0x0) mincore(&(0x7f00003fa000/0x200000)=nil, 0x2001de, &(0x7f0000000000)=""/222) 10:47:35 executing program 5: rt_sigprocmask(0x0, &(0x7f0000000040)={0xfffffffffffffffc}, 0x0, 0x8) gettid() timer_settime(0x0, 0x1, &(0x7f00000000c0)={{0x0, 0x8}, {0x0, 0x989680}}, 0x0) timer_settime(0x0, 0x0, &(0x7f0000000000)={{0x0, 0x1c9c380}}, 0x0) rt_sigtimedwait(&(0x7f00005a1000)={0xfffffffffffffffd}, 0x0, 0x0, 0x8) 10:47:36 executing program 3: mknod(&(0x7f0000000040)='./bus\x00', 0x2000000000001003, 0x0) r0 = open(&(0x7f0000000100)='./bus\x00', 0x20000000000b04, 0x0) r1 = epoll_create(0x7) epoll_ctl$EPOLL_CTL_ADD(r1, 0x1, r0, &(0x7f00000001c0)) r2 = socket$kcm(0x2b, 0x8000000000001, 0x0) ioctl$PERF_EVENT_IOC_ENABLE(r2, 0x8912, 0x400200) r3 = openat$vcs(0xffffffffffffff9c, &(0x7f0000000000)='/dev/vcs\x00', 0x0, 0x0) r4 = socket$nl_generic(0x10, 0x3, 0x10) poll(&(0x7f0000000040)=[{r3}, {r2}, {r4}], 0x3, 0x6) r5 = socket(0x2000000000000021, 0x2, 0x10000000000002) connect$rxrpc(r5, &(0x7f0000000140)=@in4={0x21, 0x0, 0x2, 0x10, {0x2, 0x0, @rand_addr=0xdd}}, 0x24) sendmmsg(r5, &(0x7f0000005c00)=[{{0x0, 0xfffffffffffffd95, 0x0, 0x0, &(0x7f0000000000)=ANY=[@ANYBLOB="18000800000000001001000001000000ec00000000000000"], 0x18}}], 0x1, 0x0) r6 = socket$inet6(0xa, 0x3, 0x6) mmap(&(0x7f0000ffd000/0x2000)=nil, 0x2000, 0x8, 0x810, r6, 0x0) setsockopt$inet6_IPV6_FLOWLABEL_MGR(r6, 0x29, 0x20, &(0x7f0000000080)={@loopback, 0x800, 0x0, 0x100000003, 0x1, 0x0, 0x0, 0x400000000}, 0x20) setsockopt$inet6_IPV6_FLOWLABEL_MGR(r6, 0x29, 0x20, &(0x7f0000000300)={@mcast2, 0x10000, 0x0, 0x102, 0x8000003}, 0x20) setsockopt$inet6_IPV6_FLOWLABEL_MGR(r6, 0x29, 0x20, &(0x7f0000000040)={@loopback, 0x0, 0x0, 0x1, 0x3}, 0x20) connect$inet6(r6, &(0x7f0000000500)={0xa, 0x0, 0x40f7, @mcast2, 0x7ff}, 0x9) r7 = syz_open_procfs(0x0, &(0x7f0000000600)='net/ip6_flowlabel\x00n\xc01\x14\x894X\xed\xc1\xc9\xd8\xdcK\r\x8d\xae\x98&@\xd0\xe6\xbbQ\xd7\xffYn\x1c\x92\xde\x0e\xaa1\x91\x98\xe9\x1f\nMCi|+\xcdw\xf0\x176Z\xf1`\xac\xf3;\xd6d2\xeb\xe5\f\x0e\x8b\xda\xf7\xfc9\xfe\xff4\xef\'\xa19q\x93\"\x7fG3\xc1E\xe6e6\xc6\xc2u\x11% \xe7+0\x97\x84;\\\xda\xc4\x80\xc3\xb18N\xbfY%\x05\xf8\x85\x89\xfc\xd2\xd7') sendfile(r6, r7, &(0x7f0000000240)=0x202, 0x4000000000dc) r8 = syz_genetlink_get_family_id$nbd(&(0x7f0000000140)='nbd\x00') ioctl$KVM_S390_UCAS_UNMAP(r7, 0x4018ae51, &(0x7f00000000c0)={0x8000, 0x7ff, 0x2}) sendmsg$NBD_CMD_RECONFIGURE(r7, &(0x7f0000000200)={&(0x7f0000000100)={0x10, 0x0, 0x0, 0x80}, 0xc, &(0x7f00000001c0)={&(0x7f0000000180)={0x1ce, r8, 0x0, 0x70bd29, 0x25dfdbff}, 0x14}, 0x1, 0x0, 0x0, 0x4}, 0x84) sendmsg$NBD_CMD_STATUS(r5, &(0x7f00000002c0)={&(0x7f0000000180)={0x10, 0x0, 0x0, 0x1000000}, 0xc, &(0x7f0000000280)={&(0x7f00000001c0)={0x28, r8, 0x10, 0x70bd25, 0x25dfdbfb, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x5}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x28}, 0x1, 0x0, 0x0, 0x8b29ba74f3c49941}, 0x4044) r9 = openat$audio(0xffffffffffffff9c, &(0x7f0000003500)='/dev/audio\x00', 0x200000, 0x0) r10 = socket$kcm(0x2b, 0x8000000000001, 0x0) ioctl$PERF_EVENT_IOC_ENABLE(r10, 0x8912, 0x400200) r11 = openat$vcs(0xffffffffffffff9c, &(0x7f0000000000)='/dev/vcs\x00', 0x0, 0x0) r12 = socket$nl_generic(0x10, 0x3, 0x10) poll(&(0x7f0000000040)=[{r11}, {r10}, {r12}], 0x3, 0x6) sendmsg$NBD_CMD_CONNECT(r3, &(0x7f0000003600)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x80}, 0xc, &(0x7f00000035c0)={&(0x7f0000003540)={0x54, r8, 0x300, 0x70bd2b, 0x25dfdbfe, {}, [@NBD_ATTR_SOCKETS={0x2c, 0x7, [{0x8, 0x1, r9}, {0x8, 0x1, r11}, {0x8, 0x1, r0}, {0x8}, {0x8, 0x1, r0}]}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}]}, 0x54}, 0x1, 0x0, 0x0, 0x80000c0}, 0x4000000) 10:47:36 executing program 2: r0 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f00000000c0)='memory.events\x00', 0x26e1, 0x0) r1 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000100)='memory.events\x00', 0x7a05, 0x1700) write$cgroup_subtree(r0, &(0x7f0000000600)=ANY=[@ANYPTR64], 0xfe9d) ioctl$FS_IOC_RESVSP(r0, 0x40305828, &(0x7f00000001c0)={0x0, 0x0, 0x0, 0xcf}) ioctl$FS_IOC_RESVSP(r1, 0x40305828, &(0x7f0000000180)={0x0, 0x0, 0xae15, 0xd8a}) ioctl$FS_IOC_SETFLAGS(r1, 0x40086602, &(0x7f0000000080)=0x9) socketpair$unix(0x1, 0x1, 0x0, &(0x7f0000000180)={0xffffffffffffffff, 0xffffffffffffffff}) r3 = dup(r2) ioctl$PERF_EVENT_IOC_ENABLE(r3, 0x8912, 0x400200) fcntl$dupfd(0xffffffffffffffff, 0x0, 0xffffffffffffffff) write$cgroup_pid(r1, &(0x7f0000000000), 0xfffffea6) r4 = socket$kcm(0x2b, 0x8000000000001, 0x0) ioctl$PERF_EVENT_IOC_ENABLE(r4, 0x8912, 0x400200) r5 = openat$vcs(0xffffffffffffff9c, &(0x7f0000000000)='/dev/vcs\x00', 0x0, 0x0) r6 = socket$nl_generic(0x10, 0x3, 0x10) poll(&(0x7f0000000040)=[{r5}, {r4}, {r6}], 0x3, 0x6) setsockopt$EBT_SO_SET_COUNTERS(r5, 0x0, 0x81, 0x0, 0x0) 10:47:36 executing program 1: r0 = perf_event_open(&(0x7f0000940000)={0x2, 0x70, 0xfffffffffffffffd, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}}, 0x0, 0x0, 0xffffffffffffffff, 0x0) mmap(&(0x7f00004da000/0x1000)=nil, 0x1000, 0x0, 0x4000012, r0, 0x0) mincore(&(0x7f00003fa000/0x200000)=nil, 0x2001df, &(0x7f0000000000)=""/222) 10:47:36 executing program 3: mknod(&(0x7f0000000040)='./bus\x00', 0x2000000000001003, 0x0) r0 = open(&(0x7f0000000100)='./bus\x00', 0x20000000000b04, 0x0) r1 = epoll_create(0x7) epoll_ctl$EPOLL_CTL_ADD(r1, 0x1, r0, &(0x7f00000001c0)) r2 = socket$kcm(0x2b, 0x8000000000001, 0x0) ioctl$PERF_EVENT_IOC_ENABLE(r2, 0x8912, 0x400200) r3 = openat$vcs(0xffffffffffffff9c, &(0x7f0000000000)='/dev/vcs\x00', 0x0, 0x0) r4 = socket$nl_generic(0x10, 0x3, 0x10) poll(&(0x7f0000000040)=[{r3}, {r2}, {r4}], 0x3, 0x6) r5 = socket(0x2000000000000021, 0x2, 0x10000000000002) connect$rxrpc(r5, &(0x7f0000000140)=@in4={0x21, 0x0, 0x2, 0x10, {0x2, 0x0, @rand_addr=0xdd}}, 0x24) sendmmsg(r5, &(0x7f0000005c00)=[{{0x0, 0xfffffffffffffd95, 0x0, 0x0, &(0x7f0000000000)=ANY=[@ANYBLOB="18000800000000001001000001000000ec00000000000000"], 0x18}}], 0x1, 0x0) r6 = socket$inet6(0xa, 0x3, 0x6) mmap(&(0x7f0000ffd000/0x2000)=nil, 0x2000, 0x8, 0x810, r6, 0x0) setsockopt$inet6_IPV6_FLOWLABEL_MGR(r6, 0x29, 0x20, &(0x7f0000000080)={@loopback, 0x800, 0x0, 0x100000003, 0x1, 0x0, 0x0, 0x400000000}, 0x20) setsockopt$inet6_IPV6_FLOWLABEL_MGR(r6, 0x29, 0x20, &(0x7f0000000300)={@mcast2, 0x10000, 0x0, 0x102, 0x8000003}, 0x20) setsockopt$inet6_IPV6_FLOWLABEL_MGR(r6, 0x29, 0x20, &(0x7f0000000040)={@loopback, 0x0, 0x0, 0x1, 0x3}, 0x20) connect$inet6(r6, &(0x7f0000000500)={0xa, 0x0, 0x40f7, @mcast2, 0x7ff}, 0x9) r7 = syz_open_procfs(0x0, &(0x7f0000000600)='net/ip6_flowlabel\x00n\xc01\x14\x894X\xed\xc1\xc9\xd8\xdcK\r\x8d\xae\x98&@\xd0\xe6\xbbQ\xd7\xffYn\x1c\x92\xde\x0e\xaa1\x91\x98\xe9\x1f\nMCi|+\xcdw\xf0\x176Z\xf1`\xac\xf3;\xd6d2\xeb\xe5\f\x0e\x8b\xda\xf7\xfc9\xfe\xff4\xef\'\xa19q\x93\"\x7fG3\xc1E\xe6e6\xc6\xc2u\x11% \xe7+0\x97\x84;\\\xda\xc4\x80\xc3\xb18N\xbfY%\x05\xf8\x85\x89\xfc\xd2\xd7') sendfile(r6, r7, &(0x7f0000000240)=0x202, 0x4000000000dc) r8 = syz_genetlink_get_family_id$nbd(&(0x7f0000000140)='nbd\x00') ioctl$KVM_S390_UCAS_UNMAP(r7, 0x4018ae51, &(0x7f00000000c0)={0x8000, 0x7ff, 0x2}) sendmsg$NBD_CMD_RECONFIGURE(r7, &(0x7f0000000200)={&(0x7f0000000100)={0x10, 0x0, 0x0, 0x80}, 0xc, &(0x7f00000001c0)={&(0x7f0000000180)={0x1ce, r8, 0xc05, 0x0, 0x25dfdbff}, 0x14}, 0x1, 0x0, 0x0, 0x4}, 0x84) sendmsg$NBD_CMD_STATUS(r5, &(0x7f00000002c0)={&(0x7f0000000180)={0x10, 0x0, 0x0, 0x1000000}, 0xc, &(0x7f0000000280)={&(0x7f00000001c0)={0x28, r8, 0x10, 0x70bd25, 0x25dfdbfb, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x5}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x28}, 0x1, 0x0, 0x0, 0x8b29ba74f3c49941}, 0x4044) r9 = openat$audio(0xffffffffffffff9c, &(0x7f0000003500)='/dev/audio\x00', 0x200000, 0x0) r10 = socket$kcm(0x2b, 0x8000000000001, 0x0) ioctl$PERF_EVENT_IOC_ENABLE(r10, 0x8912, 0x400200) r11 = openat$vcs(0xffffffffffffff9c, &(0x7f0000000000)='/dev/vcs\x00', 0x0, 0x0) r12 = socket$nl_generic(0x10, 0x3, 0x10) poll(&(0x7f0000000040)=[{r11}, {r10}, {r12}], 0x3, 0x6) sendmsg$NBD_CMD_CONNECT(r3, &(0x7f0000003600)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x80}, 0xc, &(0x7f00000035c0)={&(0x7f0000003540)={0x54, r8, 0x300, 0x70bd2b, 0x25dfdbfe, {}, [@NBD_ATTR_SOCKETS={0x2c, 0x7, [{0x8, 0x1, r9}, {0x8, 0x1, r11}, {0x8, 0x1, r0}, {0x8}, {0x8, 0x1, r0}]}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}]}, 0x54}, 0x1, 0x0, 0x0, 0x80000c0}, 0x4000000) 10:47:36 executing program 1: r0 = perf_event_open(&(0x7f0000940000)={0x2, 0x70, 0xfffffffffffffffd, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}}, 0x0, 0x0, 0xffffffffffffffff, 0x0) mmap(&(0x7f00004da000/0x1000)=nil, 0x1000, 0x0, 0x4000012, r0, 0x0) mincore(&(0x7f00003fa000/0x200000)=nil, 0x2001e0, &(0x7f0000000000)=""/222) 10:47:36 executing program 2: r0 = socket$kcm(0x2b, 0x8000000000001, 0x0) ioctl$PERF_EVENT_IOC_ENABLE(r0, 0x8912, 0x400200) r1 = openat$vcs(0xffffffffffffff9c, &(0x7f0000000000)='/dev/vcs\x00', 0x0, 0x0) r2 = socket$nl_generic(0x10, 0x3, 0x10) poll(&(0x7f0000000040)=[{r1}, {r0}, {r2}], 0x3, 0x6) setsockopt$inet_sctp_SCTP_SOCKOPT_BINDX_REM(r1, 0x84, 0x65, &(0x7f0000000100)=[@in6={0xa, 0x4e23, 0x8001, @mcast1, 0xb90}, @in={0x2, 0x4e23, @broadcast}, @in={0x2, 0x4e24, @local}, @in6={0xa, 0x4e24, 0x0, @mcast2, 0x9}], 0x58) r3 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f00000000c0)='memory.events\x00', 0x26e1, 0x0) write$cgroup_subtree(r3, &(0x7f0000000600)=ANY=[@ANYPTR64], 0xfe9d) r4 = openat$dlm_plock(0xffffffffffffff9c, &(0x7f0000000280)='/dev/dlm_plock\x00', 0x10000, 0x0) r5 = socket$bt_cmtp(0x1f, 0x3, 0x5) mount$9p_fd(0x0, &(0x7f0000000200)='./file0\x00', &(0x7f0000000240)='9p\x00', 0x8040, &(0x7f00000002c0)={'trans=fd,', {'rfdno', 0x3d, r4}, 0x2c, {'wfdno', 0x3d, r5}, 0x2c, {[{@debug={'debug'}}, {@loose='loose'}], [{@func={'func', 0x3d, 'BPRM_CHECK'}}]}}) ioctl$FS_IOC_RESVSP(r3, 0x40305828, &(0x7f00000001c0)={0x0, 0x0, 0x0, 0xd3}) ioctl$FS_IOC_RESVSP(0xffffffffffffffff, 0x40305828, &(0x7f0000000180)={0x0, 0x0, 0xae15, 0xd8a}) ioctl$FS_IOC_SETFLAGS(0xffffffffffffffff, 0x40086602, &(0x7f0000000080)=0x9) socketpair$unix(0x1, 0x2, 0x0, &(0x7f0000000180)={0xffffffffffffffff, 0xffffffffffffffff}) r7 = dup(r6) ioctl$PERF_EVENT_IOC_ENABLE(r7, 0x8912, 0x400200) fcntl$dupfd(0xffffffffffffffff, 0x0, 0xffffffffffffffff) ioctl$sock_SIOCBRDELBR(0xffffffffffffffff, 0x89a1, &(0x7f0000000400)='teql0\x00') write$cgroup_pid(0xffffffffffffffff, &(0x7f0000000000), 0xfffffea6) futex(&(0x7f0000000340), 0x4, 0x0, &(0x7f0000000380)={0x0, 0x1c9c380}, &(0x7f00000003c0)=0x2, 0x0) r8 = socket$inet6_dccp(0xa, 0x6, 0x0) getsockopt$inet6_int(r8, 0x29, 0x3c, 0x0, &(0x7f00000015c0)) setsockopt$SO_TIMESTAMPING(r8, 0x1, 0x41, &(0x7f0000000040)=0x102, 0x4) 10:47:36 executing program 3: mknod(&(0x7f0000000040)='./bus\x00', 0x2000000000001003, 0x0) r0 = open(&(0x7f0000000100)='./bus\x00', 0x20000000000b04, 0x0) r1 = epoll_create(0x7) epoll_ctl$EPOLL_CTL_ADD(r1, 0x1, r0, &(0x7f00000001c0)) r2 = socket$kcm(0x2b, 0x8000000000001, 0x0) ioctl$PERF_EVENT_IOC_ENABLE(r2, 0x8912, 0x400200) r3 = openat$vcs(0xffffffffffffff9c, &(0x7f0000000000)='/dev/vcs\x00', 0x0, 0x0) r4 = socket$nl_generic(0x10, 0x3, 0x10) poll(&(0x7f0000000040)=[{r3}, {r2}, {r4}], 0x3, 0x6) r5 = socket(0x2000000000000021, 0x2, 0x10000000000002) connect$rxrpc(r5, &(0x7f0000000140)=@in4={0x21, 0x0, 0x2, 0x10, {0x2, 0x0, @rand_addr=0xdd}}, 0x24) sendmmsg(r5, &(0x7f0000005c00)=[{{0x0, 0xfffffffffffffd95, 0x0, 0x0, &(0x7f0000000000)=ANY=[@ANYBLOB="18000800000000001001000001000000ec00000000000000"], 0x18}}], 0x1, 0x0) r6 = socket$inet6(0xa, 0x3, 0x6) mmap(&(0x7f0000ffd000/0x2000)=nil, 0x2000, 0x8, 0x810, r6, 0x0) setsockopt$inet6_IPV6_FLOWLABEL_MGR(r6, 0x29, 0x20, &(0x7f0000000080)={@loopback, 0x800, 0x0, 0x100000003, 0x1, 0x0, 0x0, 0x400000000}, 0x20) setsockopt$inet6_IPV6_FLOWLABEL_MGR(r6, 0x29, 0x20, &(0x7f0000000300)={@mcast2, 0x10000, 0x0, 0x102, 0x8000003}, 0x20) setsockopt$inet6_IPV6_FLOWLABEL_MGR(r6, 0x29, 0x20, &(0x7f0000000040)={@loopback, 0x0, 0x0, 0x1, 0x3}, 0x20) connect$inet6(r6, &(0x7f0000000500)={0xa, 0x0, 0x40f7, @mcast2, 0x7ff}, 0x9) r7 = syz_open_procfs(0x0, &(0x7f0000000600)='net/ip6_flowlabel\x00n\xc01\x14\x894X\xed\xc1\xc9\xd8\xdcK\r\x8d\xae\x98&@\xd0\xe6\xbbQ\xd7\xffYn\x1c\x92\xde\x0e\xaa1\x91\x98\xe9\x1f\nMCi|+\xcdw\xf0\x176Z\xf1`\xac\xf3;\xd6d2\xeb\xe5\f\x0e\x8b\xda\xf7\xfc9\xfe\xff4\xef\'\xa19q\x93\"\x7fG3\xc1E\xe6e6\xc6\xc2u\x11% \xe7+0\x97\x84;\\\xda\xc4\x80\xc3\xb18N\xbfY%\x05\xf8\x85\x89\xfc\xd2\xd7') sendfile(r6, r7, &(0x7f0000000240)=0x202, 0x4000000000dc) r8 = syz_genetlink_get_family_id$nbd(&(0x7f0000000140)='nbd\x00') ioctl$KVM_S390_UCAS_UNMAP(r7, 0x4018ae51, &(0x7f00000000c0)={0x8000, 0x7ff, 0x2}) sendmsg$NBD_CMD_RECONFIGURE(r7, &(0x7f0000000200)={&(0x7f0000000100)={0x10, 0x0, 0x0, 0x80}, 0xc, &(0x7f00000001c0)={&(0x7f0000000180)={0x1ce, r8, 0xc05, 0x0, 0x25dfdbff}, 0x14}, 0x1, 0x0, 0x0, 0x4}, 0x84) sendmsg$NBD_CMD_STATUS(r5, &(0x7f00000002c0)={&(0x7f0000000180)={0x10, 0x0, 0x0, 0x1000000}, 0xc, &(0x7f0000000280)={&(0x7f00000001c0)={0x28, r8, 0x10, 0x70bd25, 0x25dfdbfb, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x5}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x28}, 0x1, 0x0, 0x0, 0x8b29ba74f3c49941}, 0x4044) r9 = openat$audio(0xffffffffffffff9c, &(0x7f0000003500)='/dev/audio\x00', 0x200000, 0x0) r10 = socket$kcm(0x2b, 0x8000000000001, 0x0) ioctl$PERF_EVENT_IOC_ENABLE(r10, 0x8912, 0x400200) r11 = openat$vcs(0xffffffffffffff9c, &(0x7f0000000000)='/dev/vcs\x00', 0x0, 0x0) r12 = socket$nl_generic(0x10, 0x3, 0x10) poll(&(0x7f0000000040)=[{r11}, {r10}, {r12}], 0x3, 0x6) sendmsg$NBD_CMD_CONNECT(r3, &(0x7f0000003600)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x80}, 0xc, &(0x7f00000035c0)={&(0x7f0000003540)={0x54, r8, 0x300, 0x70bd2b, 0x25dfdbfe, {}, [@NBD_ATTR_SOCKETS={0x2c, 0x7, [{0x8, 0x1, r9}, {0x8, 0x1, r11}, {0x8, 0x1, r0}, {0x8}, {0x8, 0x1, r0}]}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}]}, 0x54}, 0x1, 0x0, 0x0, 0x80000c0}, 0x4000000) [ 1002.139192][ C0] protocol 88fb is buggy, dev hsr_slave_0 [ 1002.144990][ C0] protocol 88fb is buggy, dev hsr_slave_1 10:47:36 executing program 1: r0 = perf_event_open(&(0x7f0000940000)={0x2, 0x70, 0xfffffffffffffffd, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}}, 0x0, 0x0, 0xffffffffffffffff, 0x0) mmap(&(0x7f00004da000/0x1000)=nil, 0x1000, 0x0, 0x4000012, r0, 0x0) mincore(&(0x7f00003fa000/0x200000)=nil, 0x2001e1, &(0x7f0000000000)=""/222) 10:47:36 executing program 5: rt_sigprocmask(0x0, &(0x7f0000000040)={0xfffffffffffffffc}, 0x0, 0x8) gettid() timer_settime(0x0, 0x1, &(0x7f00000000c0)={{0x0, 0x8}, {0x0, 0x989680}}, 0x0) timer_settime(0x0, 0x0, &(0x7f0000000000)={{0x0, 0x1c9c380}}, 0x0) rt_sigtimedwait(&(0x7f00005a1000)={0xfffffffffffffffd}, 0x0, 0x0, 0x8) 10:47:36 executing program 3: mknod(&(0x7f0000000040)='./bus\x00', 0x2000000000001003, 0x0) r0 = open(&(0x7f0000000100)='./bus\x00', 0x20000000000b04, 0x0) r1 = epoll_create(0x7) epoll_ctl$EPOLL_CTL_ADD(r1, 0x1, r0, &(0x7f00000001c0)) r2 = socket$kcm(0x2b, 0x8000000000001, 0x0) ioctl$PERF_EVENT_IOC_ENABLE(r2, 0x8912, 0x400200) r3 = openat$vcs(0xffffffffffffff9c, &(0x7f0000000000)='/dev/vcs\x00', 0x0, 0x0) r4 = socket$nl_generic(0x10, 0x3, 0x10) poll(&(0x7f0000000040)=[{r3}, {r2}, {r4}], 0x3, 0x6) r5 = socket(0x2000000000000021, 0x2, 0x10000000000002) connect$rxrpc(r5, &(0x7f0000000140)=@in4={0x21, 0x0, 0x2, 0x10, {0x2, 0x0, @rand_addr=0xdd}}, 0x24) sendmmsg(r5, &(0x7f0000005c00)=[{{0x0, 0xfffffffffffffd95, 0x0, 0x0, &(0x7f0000000000)=ANY=[@ANYBLOB="18000800000000001001000001000000ec00000000000000"], 0x18}}], 0x1, 0x0) r6 = socket$inet6(0xa, 0x3, 0x6) mmap(&(0x7f0000ffd000/0x2000)=nil, 0x2000, 0x8, 0x810, r6, 0x0) setsockopt$inet6_IPV6_FLOWLABEL_MGR(r6, 0x29, 0x20, &(0x7f0000000080)={@loopback, 0x800, 0x0, 0x100000003, 0x1, 0x0, 0x0, 0x400000000}, 0x20) setsockopt$inet6_IPV6_FLOWLABEL_MGR(r6, 0x29, 0x20, &(0x7f0000000300)={@mcast2, 0x10000, 0x0, 0x102, 0x8000003}, 0x20) setsockopt$inet6_IPV6_FLOWLABEL_MGR(r6, 0x29, 0x20, &(0x7f0000000040)={@loopback, 0x0, 0x0, 0x1, 0x3}, 0x20) connect$inet6(r6, &(0x7f0000000500)={0xa, 0x0, 0x40f7, @mcast2, 0x7ff}, 0x9) r7 = syz_open_procfs(0x0, &(0x7f0000000600)='net/ip6_flowlabel\x00n\xc01\x14\x894X\xed\xc1\xc9\xd8\xdcK\r\x8d\xae\x98&@\xd0\xe6\xbbQ\xd7\xffYn\x1c\x92\xde\x0e\xaa1\x91\x98\xe9\x1f\nMCi|+\xcdw\xf0\x176Z\xf1`\xac\xf3;\xd6d2\xeb\xe5\f\x0e\x8b\xda\xf7\xfc9\xfe\xff4\xef\'\xa19q\x93\"\x7fG3\xc1E\xe6e6\xc6\xc2u\x11% \xe7+0\x97\x84;\\\xda\xc4\x80\xc3\xb18N\xbfY%\x05\xf8\x85\x89\xfc\xd2\xd7') sendfile(r6, r7, &(0x7f0000000240)=0x202, 0x4000000000dc) r8 = syz_genetlink_get_family_id$nbd(&(0x7f0000000140)='nbd\x00') ioctl$KVM_S390_UCAS_UNMAP(r7, 0x4018ae51, &(0x7f00000000c0)={0x8000, 0x7ff, 0x2}) sendmsg$NBD_CMD_RECONFIGURE(r7, &(0x7f0000000200)={&(0x7f0000000100)={0x10, 0x0, 0x0, 0x80}, 0xc, &(0x7f00000001c0)={&(0x7f0000000180)={0x1ce, r8, 0xc05, 0x0, 0x25dfdbff}, 0x14}, 0x1, 0x0, 0x0, 0x4}, 0x84) sendmsg$NBD_CMD_STATUS(r5, &(0x7f00000002c0)={&(0x7f0000000180)={0x10, 0x0, 0x0, 0x1000000}, 0xc, &(0x7f0000000280)={&(0x7f00000001c0)={0x28, r8, 0x10, 0x70bd25, 0x25dfdbfb, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x5}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x28}, 0x1, 0x0, 0x0, 0x8b29ba74f3c49941}, 0x4044) r9 = openat$audio(0xffffffffffffff9c, &(0x7f0000003500)='/dev/audio\x00', 0x200000, 0x0) r10 = socket$kcm(0x2b, 0x8000000000001, 0x0) ioctl$PERF_EVENT_IOC_ENABLE(r10, 0x8912, 0x400200) r11 = openat$vcs(0xffffffffffffff9c, &(0x7f0000000000)='/dev/vcs\x00', 0x0, 0x0) r12 = socket$nl_generic(0x10, 0x3, 0x10) poll(&(0x7f0000000040)=[{r11}, {r10}, {r12}], 0x3, 0x6) sendmsg$NBD_CMD_CONNECT(r3, &(0x7f0000003600)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x80}, 0xc, &(0x7f00000035c0)={&(0x7f0000003540)={0x54, r8, 0x300, 0x70bd2b, 0x25dfdbfe, {}, [@NBD_ATTR_SOCKETS={0x2c, 0x7, [{0x8, 0x1, r9}, {0x8, 0x1, r11}, {0x8, 0x1, r0}, {0x8}, {0x8, 0x1, r0}]}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}]}, 0x54}, 0x1, 0x0, 0x0, 0x80000c0}, 0x4000000) 10:47:37 executing program 1: r0 = perf_event_open(&(0x7f0000940000)={0x2, 0x70, 0xfffffffffffffffd, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}}, 0x0, 0x0, 0xffffffffffffffff, 0x0) mmap(&(0x7f00004da000/0x1000)=nil, 0x1000, 0x0, 0x4000012, r0, 0x0) mincore(&(0x7f00003fa000/0x200000)=nil, 0x2001e2, &(0x7f0000000000)=""/222) 10:47:37 executing program 2: r0 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f00000000c0)='memory.events\x00', 0x26e1, 0x0) r1 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000100)='memory.events\x00', 0x7a05, 0x1700) write$cgroup_subtree(r0, &(0x7f0000000600)=ANY=[@ANYPTR64], 0xfe9d) r2 = socket$kcm(0x2b, 0x8000000000001, 0x0) ioctl$PERF_EVENT_IOC_ENABLE(r2, 0x8912, 0x400200) r3 = openat$vcs(0xffffffffffffff9c, &(0x7f0000000000)='/dev/vcs\x00', 0x0, 0x0) r4 = socket$nl_generic(0x10, 0x3, 0x10) poll(&(0x7f0000000040)=[{r3}, {r2}, {r4}], 0x3, 0x6) ioctl$LOOP_SET_DIRECT_IO(r3, 0x4c08, 0x7) ioctl$FS_IOC_RESVSP(r0, 0x40305828, &(0x7f00000001c0)={0x0, 0x0, 0x0, 0xcf}) ioctl$FS_IOC_RESVSP(r1, 0x40305828, &(0x7f0000000180)={0x0, 0x0, 0xae15, 0xd8a}) ioctl$FS_IOC_SETFLAGS(r1, 0x40086602, &(0x7f0000000080)=0x9) socketpair$unix(0x1, 0x1, 0x0, &(0x7f0000000180)={0xffffffffffffffff, 0xffffffffffffffff}) r6 = dup(r5) ioctl$PERF_EVENT_IOC_ENABLE(r6, 0x8912, 0x400200) ioctl$NBD_SET_SIZE_BLOCKS(r0, 0xab07, 0x4) r7 = fcntl$dupfd(0xffffffffffffffff, 0x0, 0xffffffffffffffff) r8 = socket$inet6_dccp(0xa, 0x6, 0x0) getsockopt$inet6_int(r8, 0x29, 0x3c, 0x0, &(0x7f00000015c0)) r9 = socket$inet6_dccp(0xa, 0x6, 0x0) getsockopt$inet6_int(r9, 0x29, 0x3c, 0x0, &(0x7f00000015c0)) syz_open_dev$evdev(&(0x7f0000000040)='/dev/input/event#\x00', 0x800, 0x400) r10 = socket$inet6_dccp(0xa, 0x6, 0x0) getsockopt$inet6_int(r10, 0x29, 0x3c, 0x0, &(0x7f00000015c0)) r11 = socket$inet6_dccp(0xa, 0x6, 0x0) getsockopt$inet6_int(r11, 0x29, 0x3c, 0x0, &(0x7f00000015c0)) ioctl$FIDEDUPERANGE(r7, 0xc0189436, &(0x7f00000002c0)=ANY=[@ANYPTR=&(0x7f0000000140)=ANY=[@ANYPTR64, @ANYRES64=r5, @ANYRESHEX], @ANYBLOB="f9d518997b439e1a804005b50037c362e184a994cbc50e75d2aff44a51466b246a0690f5bb020776120ff9ce50d602adfb24b64fbf0fc30e4daf7770b5c2bf31a20df14050e54aea5b463698d7e92ac910c0869a75e6f928f85a2b3cee0f4c1fe89073ab7a247c70421ec945bfea41030b812bbdc47de39630419ea291ef6b743c7602d1a340c0d58accbc8e9bdabc8d3a5c17892e93879c2da94aff59be90b507d921a32b9802b2c5906705023a8983606280f6e3fef0fab991914b2729e969f92e9703c021d354d6cdc4ecdc789deee156f3edbba6fa63b905c8482863d16e0346e5677badc4c24fca75fc625f322b3fd3b21bb6b8a1", @ANYRESHEX, @ANYRES64=r7]) write$cgroup_pid(r1, &(0x7f0000000000), 0xfffffea6) [ 1002.619191][ C1] protocol 88fb is buggy, dev hsr_slave_0 [ 1002.624991][ C1] protocol 88fb is buggy, dev hsr_slave_1 10:47:37 executing program 3: mknod(&(0x7f0000000040)='./bus\x00', 0x2000000000001003, 0x0) r0 = open(&(0x7f0000000100)='./bus\x00', 0x20000000000b04, 0x0) r1 = epoll_create(0x7) epoll_ctl$EPOLL_CTL_ADD(r1, 0x1, r0, &(0x7f00000001c0)) r2 = socket$kcm(0x2b, 0x8000000000001, 0x0) ioctl$PERF_EVENT_IOC_ENABLE(r2, 0x8912, 0x400200) r3 = openat$vcs(0xffffffffffffff9c, &(0x7f0000000000)='/dev/vcs\x00', 0x0, 0x0) r4 = socket$nl_generic(0x10, 0x3, 0x10) poll(&(0x7f0000000040)=[{r3}, {r2}, {r4}], 0x3, 0x6) r5 = socket(0x2000000000000021, 0x2, 0x10000000000002) connect$rxrpc(r5, &(0x7f0000000140)=@in4={0x21, 0x0, 0x2, 0x10, {0x2, 0x0, @rand_addr=0xdd}}, 0x24) sendmmsg(r5, &(0x7f0000005c00)=[{{0x0, 0xfffffffffffffd95, 0x0, 0x0, &(0x7f0000000000)=ANY=[@ANYBLOB="18000800000000001001000001000000ec00000000000000"], 0x18}}], 0x1, 0x0) r6 = socket$inet6(0xa, 0x3, 0x6) mmap(&(0x7f0000ffd000/0x2000)=nil, 0x2000, 0x8, 0x810, r6, 0x0) setsockopt$inet6_IPV6_FLOWLABEL_MGR(r6, 0x29, 0x20, &(0x7f0000000080)={@loopback, 0x800, 0x0, 0x100000003, 0x1, 0x0, 0x0, 0x400000000}, 0x20) setsockopt$inet6_IPV6_FLOWLABEL_MGR(r6, 0x29, 0x20, &(0x7f0000000300)={@mcast2, 0x10000, 0x0, 0x102, 0x8000003}, 0x20) setsockopt$inet6_IPV6_FLOWLABEL_MGR(r6, 0x29, 0x20, &(0x7f0000000040)={@loopback, 0x0, 0x0, 0x1, 0x3}, 0x20) connect$inet6(r6, &(0x7f0000000500)={0xa, 0x0, 0x40f7, @mcast2, 0x7ff}, 0x9) r7 = syz_open_procfs(0x0, &(0x7f0000000600)='net/ip6_flowlabel\x00n\xc01\x14\x894X\xed\xc1\xc9\xd8\xdcK\r\x8d\xae\x98&@\xd0\xe6\xbbQ\xd7\xffYn\x1c\x92\xde\x0e\xaa1\x91\x98\xe9\x1f\nMCi|+\xcdw\xf0\x176Z\xf1`\xac\xf3;\xd6d2\xeb\xe5\f\x0e\x8b\xda\xf7\xfc9\xfe\xff4\xef\'\xa19q\x93\"\x7fG3\xc1E\xe6e6\xc6\xc2u\x11% \xe7+0\x97\x84;\\\xda\xc4\x80\xc3\xb18N\xbfY%\x05\xf8\x85\x89\xfc\xd2\xd7') sendfile(r6, r7, &(0x7f0000000240)=0x202, 0x4000000000dc) r8 = syz_genetlink_get_family_id$nbd(&(0x7f0000000140)='nbd\x00') ioctl$KVM_S390_UCAS_UNMAP(r7, 0x4018ae51, &(0x7f00000000c0)={0x8000, 0x7ff, 0x2}) sendmsg$NBD_CMD_RECONFIGURE(r7, &(0x7f0000000200)={&(0x7f0000000100)={0x10, 0x0, 0x0, 0x80}, 0xc, &(0x7f00000001c0)={&(0x7f0000000180)={0x1ce, r8, 0xc05, 0x70bd29}, 0x14}, 0x1, 0x0, 0x0, 0x4}, 0x84) sendmsg$NBD_CMD_STATUS(r5, &(0x7f00000002c0)={&(0x7f0000000180)={0x10, 0x0, 0x0, 0x1000000}, 0xc, &(0x7f0000000280)={&(0x7f00000001c0)={0x28, r8, 0x10, 0x70bd25, 0x25dfdbfb, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x5}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x28}, 0x1, 0x0, 0x0, 0x8b29ba74f3c49941}, 0x4044) r9 = openat$audio(0xffffffffffffff9c, &(0x7f0000003500)='/dev/audio\x00', 0x200000, 0x0) r10 = socket$kcm(0x2b, 0x8000000000001, 0x0) ioctl$PERF_EVENT_IOC_ENABLE(r10, 0x8912, 0x400200) r11 = openat$vcs(0xffffffffffffff9c, &(0x7f0000000000)='/dev/vcs\x00', 0x0, 0x0) r12 = socket$nl_generic(0x10, 0x3, 0x10) poll(&(0x7f0000000040)=[{r11}, {r10}, {r12}], 0x3, 0x6) sendmsg$NBD_CMD_CONNECT(r3, &(0x7f0000003600)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x80}, 0xc, &(0x7f00000035c0)={&(0x7f0000003540)={0x54, r8, 0x300, 0x70bd2b, 0x25dfdbfe, {}, [@NBD_ATTR_SOCKETS={0x2c, 0x7, [{0x8, 0x1, r9}, {0x8, 0x1, r11}, {0x8, 0x1, r0}, {0x8}, {0x8, 0x1, r0}]}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}]}, 0x54}, 0x1, 0x0, 0x0, 0x80000c0}, 0x4000000) 10:47:37 executing program 2: r0 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f00000000c0)='memory.events\x00', 0x26e1, 0x0) r1 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000100)='memory.events\x00', 0x7a05, 0x1700) write$cgroup_subtree(r0, &(0x7f0000000600)=ANY=[@ANYPTR64], 0xfe9d) ioctl$FS_IOC_RESVSP(r0, 0x40305828, &(0x7f00000001c0)={0x0, 0x0, 0x0, 0xcf}) ioctl$FS_IOC_RESVSP(r1, 0x40305828, &(0x7f0000000180)={0x0, 0x0, 0xae15, 0xd8a}) ioctl$FS_IOC_SETFLAGS(r1, 0x40086602, &(0x7f0000000080)=0x9) socketpair$unix(0x1, 0x1, 0x0, &(0x7f0000000180)={0xffffffffffffffff, 0xffffffffffffffff}) r3 = dup(r2) ioctl$PERF_EVENT_IOC_ENABLE(r3, 0x8912, 0x400200) fcntl$dupfd(0xffffffffffffffff, 0x0, 0xffffffffffffffff) write$cgroup_pid(r1, &(0x7f0000000000), 0xfffffea6) r4 = socket$netlink(0x10, 0x3, 0x0) r5 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r5, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r5, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r4, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000240)={&(0x7f0000000340)=@newlink={0x38, 0x10, 0x705, 0x0, 0x0, {}, [@IFLA_LINKINFO={0x18, 0x12, @vti={{0x8, 0x1, 'vti\x00'}, {0xc, 0x2, [@vti_common_policy=[@IFLA_VTI_LINK={0x8, 0x1, r6}]]}}}]}, 0x38}}, 0x0) setsockopt$packet_add_memb(r3, 0x107, 0x1, &(0x7f0000000040)={r6, 0x1, 0x6}, 0x10) 10:47:37 executing program 1: r0 = perf_event_open(&(0x7f0000940000)={0x2, 0x70, 0xfffffffffffffffd, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}}, 0x0, 0x0, 0xffffffffffffffff, 0x0) mmap(&(0x7f00004da000/0x1000)=nil, 0x1000, 0x0, 0x4000012, r0, 0x0) mincore(&(0x7f00003fa000/0x200000)=nil, 0x2001e3, &(0x7f0000000000)=""/222) [ 1002.929218][T17396] ================================================================== [ 1002.937371][T17396] BUG: KCSAN: data-race in bio_chain / bio_endio [ 1002.943693][T17396] [ 1002.946032][T17396] read to 0xffff8880a5272d14 of 2 bytes by interrupt on cpu 1: [ 1002.953603][T17396] bio_endio+0x3e/0x4f0 [ 1002.957757][T17396] blk_update_request+0x427/0x7b0 [ 1002.962786][T17396] scsi_end_request+0x6b/0x3e0 [ 1002.967549][T17396] scsi_io_completion+0x11d/0xc80 [ 1002.972587][T17396] scsi_finish_command+0x280/0x380 [ 1002.977702][T17396] scsi_softirq_done+0x259/0x280 [ 1002.982636][T17396] blk_done_softirq+0x1eb/0x250 [ 1002.987488][T17396] __do_softirq+0x115/0x33f [ 1002.991992][T17396] irq_exit+0xbb/0xe0 [ 1002.995977][T17396] do_IRQ+0x81/0x130 [ 1002.999886][T17396] ret_from_intr+0x0/0x19 [ 1003.004212][T17396] [ 1003.006541][T17396] write to 0xffff8880a5272d14 of 2 bytes by task 17396 on cpu 0: [ 1003.014260][T17396] bio_chain+0x86/0xb0 [ 1003.018337][T17396] __blk_queue_split+0x745/0xb40 [ 1003.023280][T17396] blk_mq_make_request+0x104/0xf60 [ 1003.028400][T17396] generic_make_request+0x196/0x740 [ 1003.033604][T17396] submit_bio+0x96/0x3c0 [ 1003.037856][T17396] do_blockdev_direct_IO+0x64e1/0x78c0 [ 1003.043323][T17396] __blockdev_direct_IO+0x86/0xa0 [ 1003.049826][T17396] ext4_direct_IO+0x76c/0xfb0 [ 1003.054514][T17396] generic_file_direct_write+0x14d/0x2e0 [ 1003.060149][T17396] __generic_file_write_iter+0x17e/0x380 [ 1003.065783][T17396] ext4_file_write_iter+0x1bd/0xa00 [ 1003.070984][T17396] new_sync_write+0x388/0x4a0 [ 1003.075658][T17396] __vfs_write+0xb1/0xc0 10:47:37 executing program 0: mknod(&(0x7f0000000040)='./bus\x00', 0x10, 0x0) r0 = open(&(0x7f0000000100)='./bus\x00', 0x20000000000b04, 0x104) r1 = socket$kcm(0x2b, 0x8000000000001, 0x0) ioctl$PERF_EVENT_IOC_ENABLE(r1, 0x8912, 0x400200) r2 = socket$inet6(0xa, 0x1, 0x6) r3 = syz_open_procfs(0x0, &(0x7f0000000600)='net/ip6_flowlabel\x00n\xc01\x14\x894X\xed\xc1\xc9\xd8\xdcK\r\x8d\xae\x98&@\xd0\xe6\xbbQ\xd7\xffYn\x1c\x92\xde\x0e\xaa1\x91\x98\xe9\x1f\nMCi|+\xcdw\xf0\x176Z\xf1`\xac\xf3;\xd6d2\xeb\xe5\f\x0e\x8b\xda\xf7\xfc9\xfe\xff4\xef\'\xa19q\x93\"\x7fG3\xc1E\xe6e6\xc6\xc2u\x11% \xe7+0\x97\x84;\\\xda\xc4\x80\xc3\xb18N\xbfY%\x05\xf8\x85\x89\xfc\xd2\xd7') r4 = socket$kcm(0x2b, 0x8000000000001, 0x0) ioctl$PERF_EVENT_IOC_ENABLE(r4, 0x8912, 0x400200) r5 = socket$kcm(0x2b, 0x8000000000001, 0x0) ioctl$PERF_EVENT_IOC_ENABLE(r5, 0x8912, 0x400200) r6 = openat$vcs(0xffffffffffffff9c, &(0x7f0000000000)='/dev/vcs\x00', 0x0, 0x0) r7 = socket$nl_generic(0x10, 0x3, 0x10) poll(&(0x7f0000000040)=[{r6}, {r5}, {r7}], 0x3, 0x6) ioctl$DRM_IOCTL_PRIME_HANDLE_TO_FD(r3, 0xc00c642d, &(0x7f00000000c0)={0x0, 0x100000, r0}) r9 = socket$kcm(0x2b, 0x8000000000001, 0x0) ioctl$PERF_EVENT_IOC_ENABLE(r9, 0x8912, 0x400200) r10 = openat$vcs(0xffffffffffffff9c, &(0x7f0000000000)='/dev/vcs\x00', 0x0, 0x0) r11 = socket$nl_generic(0x10, 0x3, 0x10) poll(&(0x7f0000000040)=[{r10}, {r9}, {r11}], 0x3, 0x6) ioctl$DRM_IOCTL_GEM_FLINK(r10, 0xc008640a, &(0x7f00000001c0)={0x0, 0x0}) ioctl$DRM_IOCTL_GEM_FLINK(r6, 0xc008640a, &(0x7f0000000200)={r8, r12}) r13 = openat$vcs(0xffffffffffffff9c, &(0x7f0000000000)='/dev/vcs\x00', 0x0, 0x0) socket$nl_generic(0x10, 0x3, 0x10) r14 = socket$kcm(0x2b, 0x8000000000001, 0x0) ioctl$PERF_EVENT_IOC_ENABLE(r14, 0x8912, 0x400200) r15 = openat$vcs(0xffffffffffffff9c, &(0x7f0000000000)='/dev/vcs\x00', 0x0, 0x0) r16 = socket$nl_generic(0x10, 0x3, 0x10) poll(&(0x7f0000000040)=[{r15}, {r14}, {r16}], 0x3, 0x6) ioctl$sock_inet_SIOCDARP(r15, 0x8953, &(0x7f0000000140)={{0x2, 0x4e24, @remote}, {0xb, @link_local}, 0x20, {0x2, 0x4e20, @local}, 'syz_tun\x00'}) ioctl$GIO_UNIMAP(r13, 0x4b66, &(0x7f0000000080)={0x5, &(0x7f0000000000)=[{}, {}, {}, {}, {}]}) sendfile(r2, r3, &(0x7f0000000240)=0x202, 0x4000000000dc) [ 1003.079894][T17396] vfs_write+0x18a/0x390 [ 1003.084137][T17396] ksys_write+0xd5/0x1b0 [ 1003.088378][T17396] __x64_sys_write+0x4c/0x60 [ 1003.092968][T17396] do_syscall_64+0xcc/0x370 [ 1003.097477][T17396] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 1003.103395][T17396] [ 1003.105715][T17396] Reported by Kernel Concurrency Sanitizer on: [ 1003.111868][T17396] CPU: 0 PID: 17396 Comm: syz-executor.2 Not tainted 5.4.0-syzkaller #0 [ 1003.120185][T17396] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 1003.130239][T17396] ================================================================== [ 1003.138292][T17396] Kernel panic - not syncing: panic_on_warn set ... [ 1003.144880][T17396] CPU: 0 PID: 17396 Comm: syz-executor.2 Not tainted 5.4.0-syzkaller #0 [ 1003.153195][T17396] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 1003.163247][T17396] Call Trace: [ 1003.166550][T17396] dump_stack+0x11d/0x181 [ 1003.170888][T17396] panic+0x210/0x640 [ 1003.174791][T17396] ? __sanitizer_cov_trace_switch+0x49/0x80 [ 1003.180688][T17396] ? vprintk_func+0x8d/0x140 [ 1003.185288][T17396] kcsan_report.cold+0xc/0xd [ 1003.189883][T17396] kcsan_setup_watchpoint+0x3fe/0x460 [ 1003.195257][T17396] __tsan_unaligned_write2+0xc4/0x100 [ 1003.200633][T17396] bio_chain+0x86/0xb0 [ 1003.204709][T17396] __blk_queue_split+0x745/0xb40 [ 1003.209663][T17396] blk_mq_make_request+0x104/0xf60 [ 1003.214774][T17396] ? blk_queue_enter+0x53b/0x610 [ 1003.219718][T17396] generic_make_request+0x196/0x740 [ 1003.224928][T17396] submit_bio+0x96/0x3c0 [ 1003.229181][T17396] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 1003.235421][T17396] ? __sanitizer_cov_trace_switch+0x49/0x80 [ 1003.241318][T17396] ? preempt_count_add+0x6f/0xb0 [ 1003.246258][T17396] do_blockdev_direct_IO+0x64e1/0x78c0 [ 1003.251719][T17396] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 1003.257991][T17396] ? ext4_dio_get_block_unwritten_async+0x1a0/0x1a0 [ 1003.264599][T17396] ? ext4_dio_get_block_unwritten_async+0x1a0/0x1a0 [ 1003.271197][T17396] __blockdev_direct_IO+0x86/0xa0 [ 1003.276230][T17396] ? write_end_fn+0xd0/0xd0 [ 1003.280734][T17396] ext4_direct_IO+0x76c/0xfb0 [ 1003.285519][T17396] ? ext4_dio_get_block_unwritten_async+0x1a0/0x1a0 [ 1003.292116][T17396] generic_file_direct_write+0x14d/0x2e0 [ 1003.297878][T17396] __generic_file_write_iter+0x17e/0x380 [ 1003.303513][T17396] ? constant_test_bit+0x12/0x30 [ 1003.308455][T17396] ext4_file_write_iter+0x1bd/0xa00 [ 1003.313662][T17396] ? iov_iter_init+0xe2/0x120 [ 1003.318338][T17396] new_sync_write+0x388/0x4a0 [ 1003.323013][T17396] ? __rcu_read_unlock+0x66/0x3c0 [ 1003.328039][T17396] __vfs_write+0xb1/0xc0 [ 1003.332278][T17396] vfs_write+0x18a/0x390 [ 1003.336518][T17396] ksys_write+0xd5/0x1b0 [ 1003.340759][T17396] __x64_sys_write+0x4c/0x60 [ 1003.345356][T17396] do_syscall_64+0xcc/0x370 [ 1003.349860][T17396] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 1003.355745][T17396] RIP: 0033:0x45a679 [ 1003.359648][T17396] Code: ad b6 fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 0f 83 7b b6 fb ff c3 66 2e 0f 1f 84 00 00 00 00 [ 1003.379246][T17396] RSP: 002b:00007f2914f10c78 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 1003.387658][T17396] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 000000000045a679 [ 1003.395624][T17396] RDX: 00000000fffffea6 RSI: 0000000020000000 RDI: 0000000000000004 [ 1003.403590][T17396] RBP: 000000000075bf20 R08: 0000000000000000 R09: 0000000000000000 [ 1003.411558][T17396] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f2914f116d4 [ 1003.419525][T17396] R13: 00000000004cb1d9 R14: 00000000004e3fb8 R15: 00000000ffffffff [ 1003.428860][T17396] Kernel Offset: disabled [ 1003.433184][T17396] Rebooting in 86400 seconds..