open_dev$ndb(&(0x7f0000000000)='/dev/nbd#\x00', 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) ioctl$NBD_SET_TIMEOUT(r0, 0xab09, 0x6) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = syz_open_dev$ndb(&(0x7f0000000140)='/dev/nbd#\x00', 0x0, 0x0) r3 = openat$dlm_control(0xffffffffffffff9c, &(0x7f0000000000)='/dev/dlm-control\x00', 0x0, 0x0) ioctl$SNDRV_PCM_IOCTL_XRUN(r3, 0x4148, 0x0) ioctl$NBD_SET_SOCK(r3, 0xab00, r1) ioctl$NBD_CLEAR_SOCK(r2, 0xab04) ioctl$NBD_SET_SOCK(r0, 0xab03, 0xffffffffffffffff) 22:52:09 executing program 5: ioctl$SNAPSHOT_S2RAM(0xffffffffffffffff, 0x40043311) [ 1906.851846] Dev nbd0: unable to read RDB block 0 22:52:09 executing program 4: r0 = syz_open_dev$ndb(&(0x7f0000000000)='/dev/nbd#\x00', 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = syz_open_dev$ndb(&(0x7f0000000140)='/dev/nbd#\x00', 0x0, 0x80000) ioctl$NBD_CLEAR_SOCK(r2, 0xab04) ioctl$NBD_SET_SOCK(r0, 0xab03, 0xffffffffffffffff) 22:52:09 executing program 1: r0 = syz_open_dev$ndb(&(0x7f0000000000)='/dev/nbd#\x00', 0x0, 0x121280) ioctl$SOUND_MIXER_WRITE_RECSRC(0xffffffffffffffff, 0xc0044dff, &(0x7f0000000040)=0x7) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = syz_open_dev$ndb(&(0x7f0000000140)='/dev/nbd#\x00', 0x0, 0x0) ioctl$NBD_CLEAR_SOCK(r2, 0xab04) ioctl$NBD_SET_SOCK(r0, 0xab03, 0xffffffffffffffff) [ 1906.890119] nbd0: unable to read partition table [ 1906.902436] block nbd2: shutting down sockets [ 1906.922266] block nbd3: shutting down sockets [ 1906.933503] block nbd0: shutting down sockets 22:52:09 executing program 0: r0 = syz_open_dev$ndb(&(0x7f0000000000)='/dev/nbd#\x00', 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = syz_open_dev$ndb(&(0x7f0000000140)='/dev/nbd#\x00', 0x0, 0x8400) ioctl$NBD_CLEAR_SOCK(r2, 0xab04) r3 = openat$dlm_control(0xffffffffffffff9c, &(0x7f0000000080)='/dev/dlm-control\x00', 0x80000, 0x0) ioctl$mixer_OSS_ALSAEMULVER(r3, 0x80044df9, &(0x7f00000000c0)) ioctl$NBD_SET_SOCK(r0, 0xab03, 0xffffffffffffffff) r4 = syz_genetlink_get_family_id$netlbl_mgmt(&(0x7f0000000180)='NLBL_MGMT\x00') r5 = openat$sequencer2(0xffffffffffffff9c, &(0x7f00000002c0)='/dev/sequencer2\x00', 0x80001, 0x0) ioctl$SNDCTL_TMR_TEMPO(r5, 0xc0045405, &(0x7f0000000300)=0x85) sendmsg$NLBL_MGMT_C_PROTOCOLS(r3, &(0x7f0000000280)={&(0x7f0000000100)={0x10, 0x0, 0x0, 0x80}, 0xc, &(0x7f0000000240)={&(0x7f0000000340)=ANY=[@ANYBLOB="640000002a856153019f9749fd9d98", @ANYRES16=r4, @ANYBLOB="00082abd70002e88b63f07000000080007000a0101020800070000000000080004000300000014000600200100000000000000000000000000001400060000000000000000000000ffffac1414bb08000700ac1414aa0800040003000000"], 0x64}, 0x1, 0x0, 0x0, 0x8010}, 0x20004000) 22:52:09 executing program 5: openat$snapshot(0xffffffffffffff9c, &(0x7f0000000000)='/dev/snapshot\x00', 0x0, 0x0) r0 = openat$snapshot(0xffffffffffffff9c, &(0x7f0000000040)='/dev/snapshot\x00', 0x80400, 0x0) ioctl$SNAPSHOT_ALLOC_SWAP_PAGE(r0, 0x80083314, &(0x7f0000000080)) ioctl$SNAPSHOT_S2RAM(r0, 0x40043311) 22:52:09 executing program 3: r0 = syz_open_dev$ndb(&(0x7f0000000000)='/dev/nbd#\x00', 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) ioctl$NBD_SET_TIMEOUT(r0, 0xab09, 0x6) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) syz_open_dev$ndb(&(0x7f0000000140)='/dev/nbd#\x00', 0x0, 0x0) r2 = openat$dlm_control(0xffffffffffffff9c, &(0x7f0000000000)='/dev/dlm-control\x00', 0x0, 0x0) ioctl$SNDRV_PCM_IOCTL_XRUN(r2, 0x4148, 0x0) ioctl$NBD_SET_SOCK(r2, 0xab00, r1) ioctl$NBD_SET_SOCK(r0, 0xab03, 0xffffffffffffffff) [ 1906.988777] block nbd2: shutting down sockets [ 1906.996496] block nbd4: shutting down sockets [ 1907.002974] block nbd1: shutting down sockets 22:52:09 executing program 2: r0 = syz_open_dev$ndb(&(0x7f0000000000)='/dev/nbd#\x00', 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) r2 = syz_open_dev$dri(&(0x7f0000001400)='/dev/dri/card#\x00', 0x0, 0x0) ioctl$DRM_IOCTL_MODE_CREATEPROPBLOB(r2, 0xc01064bd, &(0x7f0000001480)={0x0}) ioctl$DRM_IOCTL_MODE_DESTROYPROPBLOB(r2, 0xc00464be, &(0x7f0000000080)) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r3 = syz_open_dev$ndb(&(0x7f0000000140)='/dev/nbd#\x00', 0x0, 0x0) ioctl$NBD_CLEAR_SOCK(r3, 0xab04) ioctl$NBD_SET_SOCK(r0, 0xab03, 0xffffffffffffffff) [ 1907.059444] block nbd4: shutting down sockets 22:52:09 executing program 1: r0 = syz_open_dev$ndb(&(0x7f0000000000)='/dev/nbd#\x00', 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = syz_open_dev$ndb(&(0x7f0000000140)='/dev/nbd#\x00', 0x0, 0x8400) openat$fb0(0xffffffffffffff9c, &(0x7f0000000080)='/dev/fb0\x00', 0x4000, 0x0) ioctl$NBD_CLEAR_SOCK(r2, 0xab04) ioctl$NBD_SET_SOCK(r0, 0xab03, 0xffffffffffffffff) [ 1907.089789] block nbd0: shutting down sockets 22:52:09 executing program 4: r0 = syz_open_dev$ndb(&(0x7f0000000000)='/dev/nbd#\x00', 0x0, 0x180) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) r2 = openat$dlm_control(0xffffffffffffff9c, &(0x7f0000000080)='/dev/dlm-control\x00', 0x436042, 0x0) ioctl$NBD_SET_FLAGS(r2, 0xab0a, 0x4) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r3 = syz_open_dev$ndb(&(0x7f0000000140)='/dev/nbd#\x00', 0x0, 0x280001) ioctl$NBD_CLEAR_SOCK(r3, 0xab04) ioctl$NBD_SET_SOCK(r0, 0xab03, 0xffffffffffffffff) 22:52:09 executing program 5: r0 = syz_open_dev$ndb(&(0x7f0000000000)='/dev/nbd#\x00', 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = syz_open_dev$ndb(&(0x7f0000000140)='/dev/nbd#\x00', 0x0, 0x8400) openat$fb0(0xffffffffffffff9c, &(0x7f0000000080)='/dev/fb0\x00', 0x4000, 0x0) ioctl$NBD_CLEAR_SOCK(r2, 0xab04) ioctl$NBD_SET_SOCK(r0, 0xab03, 0xffffffffffffffff) [ 1907.154927] block nbd2: shutting down sockets [ 1907.161031] block nbd1: shutting down sockets [ 1907.174603] block nbd0: Could not allocate knbd recv work queue. [ 1907.191150] block nbd0: shutting down sockets [ 1907.197705] block nbd2: shutting down sockets [ 1907.233385] block nbd5: shutting down sockets 22:52:09 executing program 5: openat$snapshot(0xffffffffffffff9c, &(0x7f0000000000)='/dev/snapshot\x00', 0x0, 0x0) r0 = openat$dlm_control(0xffffffffffffff9c, &(0x7f0000000000)='/dev/dlm-control\x00', 0x0, 0x0) getsockname$packet(0xffffffffffffffff, &(0x7f0000000080)={0x11, 0x0, 0x0}, &(0x7f00000000c0)=0x14) getsockname$packet(r0, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000140)=0x14) sendmsg$MPTCP_PM_CMD_GET_LIMITS(r0, &(0x7f0000000280)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x100}, 0xc, &(0x7f0000000240)={&(0x7f0000000180)={0xb0, 0x0, 0x20, 0x70bd28, 0x25dfdbff, {}, [@MPTCP_PM_ATTR_ADDR={0x2c, 0x1, 0x0, 0x1, [@MPTCP_PM_ADDR_ATTR_PORT={0x6, 0x5, 0x4e24}, @MPTCP_PM_ADDR_ATTR_IF_IDX={0x8, 0x7, r1}, @MPTCP_PM_ADDR_ATTR_ID={0x5, 0x2, 0x81}, @MPTCP_PM_ADDR_ATTR_FLAGS={0x8}, @MPTCP_PM_ADDR_ATTR_IF_IDX={0x8, 0x7, r2}]}, @MPTCP_PM_ATTR_RCV_ADD_ADDRS={0x8, 0x2, 0x8}, @MPTCP_PM_ATTR_SUBFLOWS={0x8}, @MPTCP_PM_ATTR_SUBFLOWS={0x8, 0x3, 0x1}, @MPTCP_PM_ATTR_SUBFLOWS={0x8, 0x3, 0x1}, @MPTCP_PM_ATTR_ADDR={0x4}, @MPTCP_PM_ATTR_ADDR={0x4c, 0x1, 0x0, 0x1, [@MPTCP_PM_ADDR_ATTR_ID={0x5, 0x2, 0x40}, @MPTCP_PM_ADDR_ATTR_FAMILY={0x6, 0x1, 0x2}, @MPTCP_PM_ADDR_ATTR_FLAGS={0x8, 0x6, 0x7}, @MPTCP_PM_ADDR_ATTR_ADDR6={0x14, 0x4, @private2}, @MPTCP_PM_ADDR_ATTR_IF_IDX={0x8}, @MPTCP_PM_ADDR_ATTR_ADDR6={0x14, 0x4, @loopback}]}]}, 0xb0}, 0x1, 0x0, 0x0, 0x10}, 0x20000080) ioctl$SNDRV_PCM_IOCTL_XRUN(r0, 0x4148, 0x0) ioctl$SNAPSHOT_S2RAM(r0, 0x40043311) 22:52:09 executing program 1: r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x182000) ioctl$NBD_SET_SIZE_BLOCKS(r0, 0xab07, 0x1000) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000000)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = syz_open_dev$ndb(&(0x7f0000000140)='/dev/nbd#\x00', 0x0, 0x8400) ioctl$NBD_SET_TIMEOUT(r2, 0xab09, 0x5) ioctl$NBD_CLEAR_SOCK(r2, 0xab04) openat$sequencer2(0xffffffffffffff9c, &(0x7f0000000040)='/dev/sequencer2\x00', 0x0, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab03, 0xffffffffffffffff) 22:52:09 executing program 2: r0 = syz_open_dev$ndb(&(0x7f0000000000)='/dev/nbd#\x00', 0x0, 0x220) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) r2 = socket$nl_generic(0x10, 0x3, 0x10) sendmsg$MPTCP_PM_CMD_SET_LIMITS(r2, &(0x7f0000000c80)={&(0x7f0000000bc0)={0x10, 0x0, 0x0, 0x20400000}, 0xc, &(0x7f0000000c40)={&(0x7f0000000c00)={0x14}, 0x14}}, 0x0) sendmsg$NBD_CMD_STATUS(r2, &(0x7f0000000180)={&(0x7f0000000080)={0x10, 0x0, 0x0, 0x100}, 0xc, &(0x7f0000000100)={&(0x7f00000000c0)={0x20, 0x0, 0xf050dc69c28cc34c, 0x70bd26, 0x25dfdbfd, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x8}]}, 0x20}, 0x1, 0x0, 0x0, 0x4}, 0x40080) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r3 = syz_open_dev$ndb(&(0x7f0000000140)='/dev/nbd#\x00', 0x0, 0x0) ioctl$NBD_CLEAR_SOCK(r3, 0xab04) ioctl$NBD_SET_SOCK(r0, 0xab03, 0xffffffffffffffff) 22:52:09 executing program 0: r0 = syz_open_dev$ndb(&(0x7f0000000000)='/dev/nbd#\x00', 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = syz_open_dev$ndb(&(0x7f00000000c0)='/dev/nbd#\x00', 0x0, 0x18500) ioctl$NBD_CLEAR_SOCK(r2, 0xab04) ioctl$NBD_SET_SOCK(r0, 0xab03, 0xffffffffffffffff) 22:52:09 executing program 5: r0 = syz_open_dev$ndb(&(0x7f0000000000)='/dev/nbd#\x00', 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = syz_open_dev$ndb(&(0x7f0000000140)='/dev/nbd#\x00', 0x0, 0x0) ioctl$NBD_CLEAR_SOCK(r2, 0xab04) r3 = syz_genetlink_get_family_id$nbd(&(0x7f0000000280)='nbd\x00') r4 = openat$dlm_control(0xffffffffffffff9c, &(0x7f0000000000)='/dev/dlm-control\x00', 0x0, 0x0) ioctl$SNDRV_PCM_IOCTL_XRUN(r4, 0x4148, 0x0) r5 = openat$dlm_control(0xffffffffffffff9c, &(0x7f0000000000)='/dev/dlm-control\x00', 0x0, 0x0) ioctl$SNDRV_PCM_IOCTL_XRUN(r5, 0x4148, 0x0) r6 = openat$dlm_control(0xffffffffffffff9c, &(0x7f0000000000)='/dev/dlm-control\x00', 0x0, 0x0) ioctl$SNDRV_PCM_IOCTL_XRUN(r6, 0x4148, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f00000002c0)={0xffffffffffffffff}) sendmsg$NBD_CMD_STATUS(0xffffffffffffffff, &(0x7f0000000400)={&(0x7f0000000240)={0x10, 0x0, 0x0, 0x100000}, 0xc, &(0x7f00000003c0)={&(0x7f0000000300)={0xa0, r3, 0x20, 0x70bd2b, 0x25dfdbfe, {}, [@NBD_ATTR_TIMEOUT={0xc, 0x4, 0x1d4000000000000}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x7fffffff}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x28}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x3}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x1}, @NBD_ATTR_SOCKETS={0x44, 0x7, 0x0, 0x1, [{0x8, 0x1, r1}, {0x8, 0x1, r4}, {0x8, 0x1, r5}, {0x8, 0x1, r1}, {0x8, 0x1, r1}, {0x8, 0x1, r6}, {0x8, 0x1, r7}, {0x8, 0x1, r1}]}]}, 0xa0}, 0x1, 0x0, 0x0, 0x20000044}, 0x4) ioctl$NBD_SET_SOCK(r0, 0xab03, 0xffffffffffffffff) r8 = socket$nl_generic(0x10, 0x3, 0x10) r9 = openat$dlm_control(0xffffffffffffff9c, &(0x7f0000000000)='/dev/dlm-control\x00', 0x0, 0x0) ioctl$SNDRV_PCM_IOCTL_XRUN(r9, 0x4148, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f00000000c0)={0xffffffffffffffff}) sendmsg$NBD_CMD_RECONFIGURE(r8, &(0x7f0000000200)={&(0x7f0000000080)={0x10, 0x0, 0x0, 0x10}, 0xc, &(0x7f0000000100)={&(0x7f0000000180)={0x70, 0x0, 0x200, 0x70bd25, 0x25dfdbfc, {}, [@NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x7}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x100}, @NBD_ATTR_SOCKETS={0x2c, 0x7, 0x0, 0x1, [{0x8, 0x1, r9}, {0x8, 0x1, r1}, {0x8, 0x1, r10}, {0x8, 0x1, r1}, {0x8}]}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x800}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x30}]}, 0x70}, 0x1, 0x0, 0x0, 0x4000010}, 0x1000) [ 1907.365467] block nbd2: shutting down sockets [ 1907.376335] block nbd1: shutting down sockets 22:52:09 executing program 1: r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x182000) ioctl$NBD_SET_SIZE_BLOCKS(r0, 0xab07, 0x1000) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000000)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = syz_open_dev$ndb(&(0x7f0000000140)='/dev/nbd#\x00', 0x0, 0x8400) ioctl$NBD_SET_TIMEOUT(r2, 0xab09, 0x5) ioctl$NBD_CLEAR_SOCK(r2, 0xab04) openat$sequencer2(0xffffffffffffff9c, &(0x7f0000000040)='/dev/sequencer2\x00', 0x0, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab03, 0xffffffffffffffff) [ 1907.413897] block nbd5: shutting down sockets [ 1907.425299] block nbd2: shutting down sockets 22:52:10 executing program 2: r0 = syz_open_dev$ndb(&(0x7f0000000000)='/dev/nbd#\x00', 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff, 0xffffffffffffffff}) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f00000000c0)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r0, 0xab00, r2) syz_open_dev$ndb(&(0x7f0000000140)='/dev/nbd#\x00', 0x0, 0x0) syz_open_dev$ndb(&(0x7f0000000040)='/dev/nbd#\x00', 0x0, 0x92281) ioctl$NBD_CLEAR_SOCK(r1, 0xab04) ioctl$NBD_SET_SOCK(r0, 0xab03, 0xffffffffffffffff) [ 1907.514460] block nbd1: shutting down sockets 22:52:10 executing program 3: r0 = syz_open_dev$ndb(&(0x7f0000000000)='/dev/nbd#\x00', 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) ioctl$NBD_SET_TIMEOUT(r0, 0xab09, 0x6) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) syz_open_dev$ndb(&(0x7f0000000140)='/dev/nbd#\x00', 0x0, 0x0) r2 = openat$dlm_control(0xffffffffffffff9c, &(0x7f0000000000)='/dev/dlm-control\x00', 0x0, 0x0) ioctl$SNDRV_PCM_IOCTL_XRUN(r2, 0x4148, 0x0) ioctl$NBD_SET_SOCK(r2, 0xab00, r1) ioctl$NBD_SET_SOCK(r0, 0xab03, 0xffffffffffffffff) 22:52:10 executing program 5: write$FUSE_NOTIFY_POLL(0xffffffffffffffff, &(0x7f0000000080)={0x18, 0x1, 0x0, {0x4}}, 0x18) r0 = syz_open_dev$ndb(&(0x7f0000000000)='/dev/nbd#\x00', 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = syz_open_dev$ndb(&(0x7f0000000140)='/dev/nbd#\x00', 0x0, 0x8400) ioctl$NBD_CLEAR_SOCK(r2, 0xab04) ioctl$NBD_SET_SOCK(r0, 0xab03, 0xffffffffffffffff) 22:52:10 executing program 1: r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x182000) ioctl$NBD_SET_SIZE_BLOCKS(r0, 0xab07, 0x1000) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000000)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = syz_open_dev$ndb(&(0x7f0000000140)='/dev/nbd#\x00', 0x0, 0x8400) ioctl$NBD_SET_TIMEOUT(r2, 0xab09, 0x5) ioctl$NBD_CLEAR_SOCK(r2, 0xab04) openat$sequencer2(0xffffffffffffff9c, &(0x7f0000000040)='/dev/sequencer2\x00', 0x0, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab03, 0xffffffffffffffff) [ 1907.909977] block nbd3: Receive control failed (result -32) [ 1907.915873] block nbd3: shutting down sockets [ 1907.963996] block nbd5: shutting down sockets [ 1907.980150] block nbd1: shutting down sockets 22:52:10 executing program 5: write$FUSE_NOTIFY_POLL(0xffffffffffffffff, &(0x7f0000000080)={0x18, 0x1, 0x0, {0x4}}, 0x18) r0 = syz_open_dev$ndb(&(0x7f0000000000)='/dev/nbd#\x00', 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = syz_open_dev$ndb(&(0x7f0000000140)='/dev/nbd#\x00', 0x0, 0x8400) ioctl$NBD_CLEAR_SOCK(r2, 0xab04) ioctl$NBD_SET_SOCK(r0, 0xab03, 0xffffffffffffffff) 22:52:10 executing program 4: r0 = syz_open_dev$ndb(&(0x7f0000000000)='/dev/nbd#\x00', 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = syz_open_dev$ndb(&(0x7f0000000140)='/dev/nbd#\x00', 0x0, 0x0) ioctl$NBD_CLEAR_SOCK(r2, 0xab04) r3 = openat$dlm_control(0xffffffffffffff9c, &(0x7f0000000000)='/dev/dlm-control\x00', 0x0, 0x0) ioctl$SNDRV_PCM_IOCTL_XRUN(r3, 0x4148, 0x0) r4 = openat$dlm_control(0xffffffffffffff9c, &(0x7f0000000000)='/dev/dlm-control\x00', 0x0, 0x0) ioctl$SNDRV_PCM_IOCTL_XRUN(r4, 0x4148, 0x0) ioctl$NBD_SET_SOCK(r3, 0xab00, r4) sendmsg$NLBL_MGMT_C_ADDDEF(r4, &(0x7f00000001c0)={&(0x7f0000000080)={0x10, 0x0, 0x0, 0x100000}, 0xc, &(0x7f0000000180)={&(0x7f00000000c0)={0x60, 0x0, 0x2, 0x70bd2c, 0x25dfdbfc, {}, [@NLBL_MGMT_A_FAMILY={0x6, 0xb, 0x20}, @NLBL_MGMT_A_IPV4MASK={0x8, 0x8, @rand_addr=0x64010100}, @NLBL_MGMT_A_IPV4ADDR={0x8, 0x7, @initdev={0xac, 0x1e, 0x0, 0x0}}, @NLBL_MGMT_A_DOMAIN={0x5, 0x1, '\x00'}, @NLBL_MGMT_A_IPV6ADDR={0x14, 0x5, @empty}, @NLBL_MGMT_A_FAMILY={0x6, 0xb, 0x8}, @NLBL_MGMT_A_CV4DOI={0x8, 0x4, 0xffffffffffffffff}, @NLBL_MGMT_A_PROTOCOL={0x8, 0x2, 0x7}]}, 0x60}}, 0x297e00b5e6b7a71c) ioctl$NBD_SET_SOCK(r0, 0xab03, 0xffffffffffffffff) 22:52:10 executing program 1: r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x182000) ioctl$NBD_SET_SIZE_BLOCKS(r0, 0xab07, 0x1000) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000000)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = syz_open_dev$ndb(&(0x7f0000000140)='/dev/nbd#\x00', 0x0, 0x8400) ioctl$NBD_SET_TIMEOUT(r2, 0xab09, 0x5) ioctl$NBD_CLEAR_SOCK(r2, 0xab04) ioctl$NBD_SET_SOCK(r0, 0xab03, 0xffffffffffffffff) [ 1908.050073] block nbd4: Receive control failed (result -32) [ 1908.057171] block nbd4: shutting down sockets [ 1908.075593] block nbd4: shutting down sockets [ 1908.150131] block nbd1: shutting down sockets [ 1908.154871] block nbd4: shutting down sockets [ 1908.160772] block nbd5: shutting down sockets 22:52:10 executing program 5: r0 = syz_open_dev$ndb(&(0x7f0000000000)='/dev/nbd#\x00', 0x0, 0x180) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) r2 = openat$dlm_control(0xffffffffffffff9c, &(0x7f0000000080)='/dev/dlm-control\x00', 0x436042, 0x0) ioctl$NBD_SET_FLAGS(r2, 0xab0a, 0x4) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r3 = syz_open_dev$ndb(&(0x7f0000000140)='/dev/nbd#\x00', 0x0, 0x280001) ioctl$NBD_CLEAR_SOCK(r3, 0xab04) ioctl$NBD_SET_SOCK(r0, 0xab03, 0xffffffffffffffff) [ 1908.192231] block nbd0: Receive control failed (result -32) [ 1908.199171] block nbd0: shutting down sockets [ 1908.200974] block nbd4: shutting down sockets [ 1908.213239] block nbd0: shutting down sockets 22:52:10 executing program 4: r0 = syz_open_dev$ndb(&(0x7f0000000000)='/dev/nbd#\x00', 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) ioctl$NBD_CLEAR_QUE(r0, 0xab05) r2 = syz_open_dev$ndb(&(0x7f0000000140)='/dev/nbd#\x00', 0x0, 0x4b0003) ioctl$NBD_CLEAR_SOCK(r2, 0xab04) ioctl$NBD_SET_SOCK(r0, 0xab03, 0xffffffffffffffff) 22:52:10 executing program 0: r0 = syz_open_dev$ndb(&(0x7f0000000000)='/dev/nbd#\x00', 0x0, 0x10680) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = syz_open_dev$ndb(&(0x7f0000000140)='/dev/nbd#\x00', 0x0, 0x8400) ioctl$NBD_CLEAR_SOCK(r2, 0xab04) ioctl$NBD_SET_SOCK(r0, 0xab03, 0xffffffffffffffff) r3 = openat$dlm_control(0xffffffffffffff9c, &(0x7f0000000000)='/dev/dlm-control\x00', 0x0, 0x0) ioctl$SNDRV_PCM_IOCTL_XRUN(r3, 0x4148, 0x0) r4 = syz_open_dev$sndpcmp(&(0x7f0000000080)='/dev/snd/pcmC#D#p\x00', 0xe0000000, 0x141000) ioctl$SNDRV_PCM_IOCTL_UNLINK(r4, 0x4161, 0x0) 22:52:10 executing program 1: r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x182000) ioctl$NBD_SET_SIZE_BLOCKS(r0, 0xab07, 0x1000) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000000)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = syz_open_dev$ndb(&(0x7f0000000140)='/dev/nbd#\x00', 0x0, 0x8400) ioctl$NBD_SET_TIMEOUT(r2, 0xab09, 0x5) ioctl$NBD_SET_SOCK(r0, 0xab03, 0xffffffffffffffff) 22:52:10 executing program 0: r0 = syz_open_dev$ndb(&(0x7f0000000000)='/dev/nbd#\x00', 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = syz_open_dev$ndb(&(0x7f0000000140)='/dev/nbd#\x00', 0x0, 0x8400) ioctl$NBD_CLEAR_SOCK(r2, 0xab04) ioctl$NBD_SET_SOCK(r0, 0xab03, 0xffffffffffffffff) r3 = openat$dlm_control(0xffffffffffffff9c, &(0x7f0000000080)='/dev/dlm-control\x00', 0x20001, 0x0) sendmsg$NLBL_MGMT_C_ADDDEF(r3, &(0x7f0000000200)={&(0x7f00000000c0)={0x10, 0x0, 0x0, 0x10}, 0xc, &(0x7f0000000100)={&(0x7f0000000180)={0x44, 0x0, 0x4, 0x70bd28, 0x25dfdbfb, {}, [@NLBL_MGMT_A_CLPDOI={0x8}, @NLBL_MGMT_A_CV4DOI={0x8, 0x4, 0x1}, @NLBL_MGMT_A_DOMAIN={0x8, 0x1, '#.*\x00'}, @NLBL_MGMT_A_IPV4MASK={0x8, 0x8, @broadcast}, @NLBL_MGMT_A_IPV4ADDR={0x8, 0x7, @local}, @NLBL_MGMT_A_IPV4ADDR={0x8, 0x7, @multicast1}]}, 0x44}, 0x1, 0x0, 0x0, 0x8011}, 0x0) [ 1908.370039] block nbd2: Receive control failed (result -32) [ 1908.376524] block nbd2: shutting down sockets [ 1908.382944] block nbd2: shutting down sockets 22:52:10 executing program 2: r0 = syz_open_dev$ndb(&(0x7f0000000000)='/dev/nbd#\x00', 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = syz_open_dev$ndb(&(0x7f0000000140)='/dev/nbd#\x00', 0x0, 0x0) ioctl$NBD_CLEAR_SOCK(r2, 0xab04) r3 = openat$dlm_control(0xffffffffffffff9c, &(0x7f0000000000)='/dev/dlm-control\x00', 0x0, 0x0) ioctl$SNDRV_PCM_IOCTL_XRUN(r3, 0x4148, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab03, r3) [ 1908.470344] block nbd0: shutting down sockets [ 1908.482010] block nbd2: shutting down sockets [ 1908.496929] block nbd0: shutting down sockets [ 1908.504503] block nbd2: shutting down sockets [ 1908.510037] block nbd0: Could not allocate knbd recv work queue. 22:52:11 executing program 0: r0 = syz_open_dev$ndb(&(0x7f0000000000)='/dev/nbd#\x00', 0x0, 0x191440) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = syz_open_dev$ndb(&(0x7f0000000140)='/dev/nbd#\x00', 0x0, 0x8400) ioctl$NBD_CLEAR_SOCK(r2, 0xab04) sendmsg$NBD_CMD_STATUS(0xffffffffffffffff, &(0x7f0000000200)={&(0x7f00000000c0)={0x10, 0x0, 0x0, 0x2}, 0xc, &(0x7f0000000100)={&(0x7f0000000180)={0x68, 0x0, 0x200, 0x70bd27, 0x25dfdbfe, {}, [@NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8, 0x1, r1}, {0x8, 0x1, r1}]}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x24}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x79}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x9}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x6c1a}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x68}, 0x1, 0x0, 0x0, 0xa0c2}, 0x20000001) r3 = openat$sequencer(0xffffffffffffff9c, &(0x7f0000000140)='/dev/sequencer\x00', 0x2, 0x0) ioctl$SNDCTL_SEQ_PANIC(r3, 0x5111) ioctl$SNDCTL_FM_4OP_ENABLE(r3, 0x4004510f, &(0x7f0000000080)=0x5) 22:52:11 executing program 3: r0 = syz_open_dev$ndb(&(0x7f0000000000)='/dev/nbd#\x00', 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) ioctl$NBD_SET_TIMEOUT(r0, 0xab09, 0x6) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) syz_open_dev$ndb(&(0x7f0000000140)='/dev/nbd#\x00', 0x0, 0x0) r2 = openat$dlm_control(0xffffffffffffff9c, &(0x7f0000000000)='/dev/dlm-control\x00', 0x0, 0x0) ioctl$SNDRV_PCM_IOCTL_XRUN(r2, 0x4148, 0x0) ioctl$NBD_SET_SOCK(r2, 0xab00, r1) ioctl$NBD_SET_SOCK(r0, 0xab03, 0xffffffffffffffff) 22:52:11 executing program 2: r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x18a00) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = syz_open_dev$ndb(&(0x7f0000000140)='/dev/nbd#\x00', 0x0, 0x0) ioctl$NBD_CLEAR_SOCK(r2, 0xab04) ioctl$NBD_CLEAR_QUE(r2, 0xab05) ioctl$NBD_SET_SOCK(r0, 0xab03, 0xffffffffffffffff) r3 = openat$dlm_control(0xffffffffffffff9c, &(0x7f0000000000)='/dev/dlm-control\x00', 0x0, 0x0) r4 = syz_genetlink_get_family_id$nbd(&(0x7f0000000100)='nbd\x00') sendmsg$NBD_CMD_DISCONNECT(r3, &(0x7f0000000200)={&(0x7f00000000c0)={0x10, 0x0, 0x0, 0x4000}, 0xc, &(0x7f00000001c0)={&(0x7f0000000180)={0x34, r4, 0x400, 0x70bd26, 0x25dfdbfd, {}, [@NBD_ATTR_TIMEOUT={0xc, 0x4, 0x80000000}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x9}]}, 0x34}, 0x1, 0x0, 0x0, 0x88c1}, 0x2000c040) ioctl$SNDRV_PCM_IOCTL_XRUN(r3, 0x4148, 0x0) ioctl$NBD_CLEAR_SOCK(r3, 0xab04) [ 1908.844101] block nbd3: Receive control failed (result -32) [ 1908.849960] block nbd3: shutting down sockets 22:52:11 executing program 0: r0 = syz_open_dev$ndb(&(0x7f0000000000)='/dev/nbd#\x00', 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = syz_open_dev$ndb(&(0x7f0000000140)='/dev/nbd#\x00', 0x0, 0x8400) ioctl$NBD_CLEAR_SOCK(r2, 0xab04) ioctl$NBD_SET_SOCK(r0, 0xab03, 0xffffffffffffffff) 22:52:11 executing program 2: r0 = syz_open_dev$ndb(&(0x7f0000000000)='/dev/nbd#\x00', 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = syz_open_dev$ndb(&(0x7f0000000140)='/dev/nbd#\x00', 0x0, 0x0) ioctl$NBD_CLEAR_SOCK(r2, 0xab04) ioctl$NBD_SET_SOCK(r0, 0xab03, 0xffffffffffffffff) r3 = openat$dlm_control(0xffffffffffffff9c, &(0x7f0000000080)='/dev/dlm-control\x00', 0x20200, 0x0) ioctl$NBD_CLEAR_QUE(r3, 0xab05) 22:52:11 executing program 0: r0 = syz_open_dev$ndb(&(0x7f0000000000)='/dev/nbd#\x00', 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = syz_open_dev$ndb(&(0x7f0000000140)='/dev/nbd#\x00', 0x0, 0x8400) ioctl$NBD_CLEAR_SOCK(r2, 0xab04) ioctl$NBD_SET_SOCK(r0, 0xab03, 0xffffffffffffffff) r3 = openat$fuse(0xffffffffffffff9c, &(0x7f0000000080)='/dev/fuse\x00', 0x2, 0x0) read$FUSE(r3, &(0x7f0000000180)={0x2020}, 0x2020) [ 1908.956454] block nbd0: shutting down sockets [ 1908.965252] block nbd0: shutting down sockets [ 1908.974513] block nbd2: shutting down sockets [ 1908.993020] block nbd2: shutting down sockets [ 1909.017994] block nbd2: Could not allocate knbd recv work queue. [ 1909.067502] block nbd0: shutting down sockets [ 1909.088739] block nbd0: Receive control failed (result -32) [ 1909.104281] block nbd0: shutting down sockets [ 1909.125960] block nbd4: Receive control failed (result -32) [ 1909.126788] block nbd5: shutting down sockets 22:52:11 executing program 5: r0 = syz_open_dev$ndb(&(0x7f0000000000)='/dev/nbd#\x00', 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = syz_open_dev$ndb(&(0x7f0000000140)='/dev/nbd#\x00', 0x0, 0x0) ioctl$NBD_CLEAR_SOCK(r2, 0xab04) r3 = openat$dlm_control(0xffffffffffffff9c, &(0x7f0000000000)='/dev/dlm-control\x00', 0x0, 0x0) ioctl$SNDRV_PCM_IOCTL_XRUN(r3, 0x4148, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab03, r3) [ 1909.133317] block nbd4: Device being setup by another task [ 1909.147325] block nbd4: shutting down sockets [ 1909.160070] block nbd1: Receive control failed (result -104) 22:52:11 executing program 2: r0 = syz_open_dev$ndb(&(0x7f0000000000)='/dev/nbd#\x00', 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = syz_open_dev$ndb(&(0x7f0000000140)='/dev/nbd#\x00', 0x0, 0x0) ioctl$NBD_CLEAR_SOCK(r2, 0xab04) ioctl$NBD_SET_SIZE(r2, 0xab02, 0x6) openat$rdma_cm(0xffffffffffffff9c, &(0x7f0000000080)='/dev/infiniband/rdma_cm\x00', 0x2, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab03, 0xffffffffffffffff) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000100)={0xffffffffffffffff}) sendmsg$NBD_CMD_RECONFIGURE(0xffffffffffffffff, &(0x7f0000000240)={&(0x7f00000000c0)={0x10, 0x0, 0x0, 0x4000}, 0xc, &(0x7f0000000200)={&(0x7f0000000180)={0x48, 0x0, 0x200, 0x70bd2d, 0x25dfdbfc, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_SOCKETS={0x1c, 0x7, 0x0, 0x1, [{0x8, 0x1, r1}, {0x8, 0x1, r3}, {0x8, 0x1, r1}]}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x1}]}, 0x48}, 0x1, 0x0, 0x0, 0x811}, 0x80) 22:52:11 executing program 0: r0 = syz_open_dev$ndb(&(0x7f0000000000)='/dev/nbd#\x00', 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) r2 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x400000) ioctl$BTRFS_IOC_GET_DEV_STATS(r1, 0xc4089434, &(0x7f0000000180)={0x0, 0x0, 0x0, [0x9, 0xb55, 0x58, 0xa7e3, 0x9d], [0x7, 0x8916, 0x801, 0x0, 0x9, 0x6c, 0x5, 0x4, 0x5, 0xfff, 0x9a8, 0x6, 0xffffffffffffffff, 0x8, 0xb6, 0xfff, 0xea, 0x3, 0x2, 0x9, 0x1, 0x8707, 0x274, 0x7, 0x2, 0x0, 0x2, 0x3, 0x3, 0x9e19, 0x6, 0x4, 0x3c, 0xfffffffffffffff8, 0x6, 0x20, 0x4, 0xffffffff, 0x3a33ffc6, 0x2, 0x8, 0x0, 0x9, 0xa7, 0xc2, 0x8, 0x64dd, 0x4, 0x5b58, 0x7, 0x7f, 0x8, 0x3, 0x8, 0xfff, 0x1, 0x0, 0x200000000000, 0x3f, 0x7fff, 0x8, 0x6, 0xfffffffffffffad8, 0xfdc, 0x80, 0x0, 0x5, 0x1f, 0x1000, 0x7, 0x3, 0x5, 0x4c77, 0x7fff, 0x800, 0x7, 0x4, 0x557d, 0x1f, 0x8, 0x9f, 0x7fff, 0x0, 0x400, 0x6918, 0x2, 0x0, 0x800, 0x1000, 0x6, 0xfffffffffffffffe, 0x3f, 0x9, 0x80, 0x2, 0x5, 0x5, 0x8000000000000000, 0x3, 0x65, 0x9, 0x3, 0x10000, 0x2, 0x7f, 0x8000, 0xac80, 0x81, 0x604, 0x9, 0x8000, 0x7fff, 0xa4, 0x7, 0xa0, 0x5, 0x3, 0x8e01, 0x0, 0x7, 0x6]}) ioctl$BTRFS_IOC_BALANCE_V2(r2, 0xc4009420, &(0x7f00000005c0)={0x1, 0x3, {0x6, @usage=0xda03, r3, 0x8001, 0x60, 0x8, 0x9, 0x5, 0x5, @usage=0x2, 0x2, 0x8, [0x7, 0x4, 0x0, 0x7, 0x1, 0x6]}, {0x8, @usage=0x2c, 0x0, 0x100000000, 0x1ff, 0x400, 0x7fffffff, 0x6, 0x4, @usage=0x4, 0x8000, 0x7fffffff, [0x7, 0xffff, 0x4, 0x4, 0x9, 0x7]}, {0xdb, @struct={0x1000, 0xff}, 0x0, 0x400, 0x6, 0x1, 0x100, 0xfff, 0x2f0ab738bf30896c, @usage=0x7, 0x5, 0x1, [0xfffffffffffffbff, 0x3, 0x1, 0x7, 0x6, 0x625a]}, {0x0, 0x10000, 0x1749}}) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r4 = syz_open_dev$ndb(&(0x7f0000000140)='/dev/nbd#\x00', 0x0, 0x8400) ioctl$NBD_CLEAR_SOCK(r4, 0xab04) ioctl$NBD_SET_SOCK(r0, 0xab03, 0xffffffffffffffff) [ 1909.201281] block nbd5: shutting down sockets [ 1909.234370] block nbd2: shutting down sockets [ 1909.238497] block nbd0: shutting down sockets [ 1909.256640] block nbd2: shutting down sockets [ 1909.273196] block nbd0: shutting down sockets [ 1909.740680] block nbd3: Receive control failed (result -32) [ 1909.746539] block nbd3: shutting down sockets [ 1914.506090] block nbd1: Connection timed out [ 1914.510845] block nbd1: shutting down sockets [ 1914.516467] print_req_error: 185 callbacks suppressed [ 1914.516476] print_req_error: I/O error, dev nbd1, sector 0 [ 1914.527591] buffer_io_error: 186 callbacks suppressed [ 1914.527601] Buffer I/O error on dev nbd1, logical block 0, async page read [ 1914.540002] block nbd1: Connection timed out [ 1914.544443] print_req_error: I/O error, dev nbd1, sector 2 [ 1914.550198] Buffer I/O error on dev nbd1, logical block 1, async page read [ 1914.557629] block nbd1: Connection timed out [ 1914.562045] print_req_error: I/O error, dev nbd1, sector 4 [ 1914.567772] Buffer I/O error on dev nbd1, logical block 2, async page read [ 1914.574831] block nbd1: Connection timed out [ 1914.579311] print_req_error: I/O error, dev nbd1, sector 6 [ 1914.584944] Buffer I/O error on dev nbd1, logical block 3, async page read [ 1914.593560] print_req_error: I/O error, dev nbd1, sector 0 [ 1914.599483] Buffer I/O error on dev nbd1, logical block 0, async page read [ 1914.607380] print_req_error: I/O error, dev nbd1, sector 2 [ 1914.613007] Buffer I/O error on dev nbd1, logical block 1, async page read [ 1914.620186] Buffer I/O error on dev nbd1, logical block 2, async page read [ 1914.627319] Buffer I/O error on dev nbd1, logical block 3, async page read [ 1914.634659] print_req_error: I/O error, dev nbd1, sector 0 [ 1914.640451] Buffer I/O error on dev nbd1, logical block 0, async page read [ 1914.647735] print_req_error: I/O error, dev nbd1, sector 2 [ 1914.653831] Buffer I/O error on dev nbd1, logical block 1, async page read [ 1914.661171] print_req_error: I/O error, dev nbd1, sector 0 [ 1914.666995] print_req_error: I/O error, dev nbd1, sector 2 [ 1914.674360] ldm_validate_partition_table(): Disk read failed. [ 1914.681277] Dev nbd1: unable to read RDB block 0 [ 1914.688438] nbd1: unable to read partition table [ 1914.701073] ldm_validate_partition_table(): Disk read failed. 22:52:17 executing program 1: r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x182000) ioctl$NBD_SET_SIZE_BLOCKS(r0, 0xab07, 0x1000) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000000)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = syz_open_dev$ndb(&(0x7f0000000140)='/dev/nbd#\x00', 0x0, 0x8400) ioctl$NBD_SET_TIMEOUT(r2, 0xab09, 0x5) ioctl$NBD_SET_SOCK(r0, 0xab03, 0xffffffffffffffff) 22:52:17 executing program 4: r0 = syz_open_dev$ndb(&(0x7f0000000000)='/dev/nbd#\x00', 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = syz_open_dev$ndb(&(0x7f0000000140)='/dev/nbd#\x00', 0x0, 0x0) ioctl$NBD_CLEAR_SOCK(r2, 0xab04) r3 = syz_genetlink_get_family_id$nbd(&(0x7f00000000c0)='nbd\x00') r4 = openat$dlm_control(0xffffffffffffff9c, &(0x7f0000000000)='/dev/dlm-control\x00', 0x0, 0x0) ioctl$SNDRV_PCM_IOCTL_XRUN(r4, 0x4148, 0x0) r5 = openat$dlm_control(0xffffffffffffff9c, &(0x7f0000000100)='/dev/dlm-control\x00', 0xc2040, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000180)) r6 = openat$dlm_control(0xffffffffffffff9c, &(0x7f0000000000)='/dev/dlm-control\x00', 0x0, 0x0) ioctl$SNDRV_PCM_IOCTL_XRUN(r6, 0x4148, 0x0) openat$dlm_control(0xffffffffffffff9c, &(0x7f00000001c0)='/dev/dlm-control\x00', 0x4000, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000200)={0xffffffffffffffff}) sendmsg$NBD_CMD_STATUS(0xffffffffffffffff, &(0x7f0000000340)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x40000000}, 0xc, &(0x7f0000000280)={&(0x7f0000000380)={0xd0, r3, 0x8, 0x70bd2b, 0x25dfdbff, {}, [@NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x40}, @NBD_ATTR_BLOCK_SIZE_BYTES={0x7, 0x3, 0x9}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x3}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x24}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x20}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x4000000000000000}, @NBD_ATTR_SOCKETS={0x4c, 0x7, 0x0, 0x1, [{0x8, 0x1, r4}, {0x8}, {0x8, 0x1, r5}, {0x8}, {0x8, 0x1, r1}, {0x8, 0x1, r6}, {0x8}, {0x8, 0x1, r1}, {0x8, 0x1, r7}]}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x463}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x5}]}, 0xd0}, 0x1, 0x0, 0x0, 0x20040001}, 0x20000004) ioctl$NBD_SET_SOCK(r2, 0xab00, r1) r8 = openat$dlm_control(0xffffffffffffff9c, &(0x7f0000000000)='/dev/dlm-control\x00', 0x0, 0x0) ioctl$SNDRV_PCM_IOCTL_XRUN(r8, 0x4148, 0x0) ioctl$NBD_CLEAR_SOCK(r8, 0xab04) ioctl$NBD_SET_SOCK(r0, 0xab03, 0xffffffffffffffff) 22:52:17 executing program 5: r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x182000) ioctl$NBD_SET_SIZE_BLOCKS(r0, 0xab07, 0x1000) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000000)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = syz_open_dev$ndb(&(0x7f0000000140)='/dev/nbd#\x00', 0x0, 0x8400) ioctl$NBD_SET_TIMEOUT(r2, 0xab09, 0x5) ioctl$NBD_CLEAR_SOCK(r2, 0xab04) ioctl$NBD_SET_SOCK(r0, 0xab03, 0xffffffffffffffff) 22:52:17 executing program 2: r0 = syz_open_dev$ndb(&(0x7f0000000000)='/dev/nbd#\x00', 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x80) r2 = syz_open_dev$ndb(&(0x7f0000000140)='/dev/nbd#\x00', 0x0, 0x0) ioctl$NBD_CLEAR_SOCK(r2, 0xab04) ioctl$NBD_SET_SOCK(r0, 0xab03, 0xffffffffffffffff) r3 = syz_init_net_socket$nfc_llcp(0x27, 0x3, 0x1) accept$nfc_llcp(r3, &(0x7f00000000c0), &(0x7f0000000180)=0x60) 22:52:17 executing program 0: r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = syz_open_dev$ndb(&(0x7f0000000140)='/dev/nbd#\x00', 0x0, 0x8400) ioctl$NBD_CLEAR_SOCK(r2, 0xab04) ioctl$NBD_SET_BLKSIZE(r0, 0xab01, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab03, 0xffffffffffffffff) ioctl$NBD_DO_IT(r0, 0xab03) 22:52:17 executing program 3: r0 = syz_open_dev$ndb(&(0x7f0000000000)='/dev/nbd#\x00', 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) ioctl$NBD_SET_TIMEOUT(r0, 0xab09, 0x6) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = syz_open_dev$ndb(&(0x7f0000000140)='/dev/nbd#\x00', 0x0, 0x0) r3 = openat$dlm_control(0xffffffffffffff9c, &(0x7f0000000000)='/dev/dlm-control\x00', 0x0, 0x0) ioctl$SNDRV_PCM_IOCTL_XRUN(r3, 0x4148, 0x0) ioctl$NBD_CLEAR_SOCK(r2, 0xab04) ioctl$NBD_SET_SOCK(r0, 0xab03, 0xffffffffffffffff) [ 1914.708779] Dev nbd1: unable to read RDB block 0 [ 1914.736965] nbd1: unable to read partition table [ 1914.761311] block nbd4: shutting down sockets [ 1914.770495] block nbd3: shutting down sockets [ 1914.775579] block nbd2: shutting down sockets [ 1914.781978] block nbd0: shutting down sockets [ 1914.788309] block nbd5: shutting down sockets [ 1914.802147] block nbd4: server does not support multiple connections per device. [ 1914.841522] block nbd0: shutting down sockets [ 1914.847632] block nbd2: shutting down sockets 22:52:17 executing program 5: r0 = syz_open_dev$ndb(&(0x7f0000000000)='/dev/nbd#\x00', 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = syz_open_dev$ndb(&(0x7f0000000140)='/dev/nbd#\x00', 0x0, 0x0) ioctl$NBD_CLEAR_SOCK(r2, 0xab04) ioctl$NBD_SET_SIZE(r2, 0xab02, 0x6) openat$rdma_cm(0xffffffffffffff9c, &(0x7f0000000080)='/dev/infiniband/rdma_cm\x00', 0x2, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab03, 0xffffffffffffffff) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000100)={0xffffffffffffffff}) sendmsg$NBD_CMD_RECONFIGURE(0xffffffffffffffff, &(0x7f0000000240)={&(0x7f00000000c0)={0x10, 0x0, 0x0, 0x4000}, 0xc, &(0x7f0000000200)={&(0x7f0000000180)={0x48, 0x0, 0x200, 0x70bd2d, 0x25dfdbfc, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_SOCKETS={0x1c, 0x7, 0x0, 0x1, [{0x8, 0x1, r1}, {0x8, 0x1, r3}, {0x8, 0x1, r1}]}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x1}]}, 0x48}, 0x1, 0x0, 0x0, 0x811}, 0x80) 22:52:17 executing program 3: r0 = syz_open_dev$ndb(&(0x7f0000000000)='/dev/nbd#\x00', 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) ioctl$NBD_SET_TIMEOUT(r0, 0xab09, 0x6) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = syz_open_dev$ndb(&(0x7f0000000140)='/dev/nbd#\x00', 0x0, 0x0) openat$dlm_control(0xffffffffffffff9c, &(0x7f0000000000)='/dev/dlm-control\x00', 0x0, 0x0) ioctl$NBD_CLEAR_SOCK(r2, 0xab04) ioctl$NBD_SET_SOCK(r0, 0xab03, 0xffffffffffffffff) [ 1914.885588] block nbd4: shutting down sockets 22:52:17 executing program 2: r0 = syz_open_dev$ndb(&(0x7f0000000000)='/dev/nbd#\x00', 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff, 0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) ioctl$BTRFS_IOC_SCRUB(r2, 0xc400941b, &(0x7f0000000180)={0x0, 0x4, 0x3, 0x1}) ioctl$BTRFS_IOC_SCRUB_PROGRESS(r1, 0xc400941d, &(0x7f0000000580)={r3, 0x2, 0x1, 0x1}) r4 = syz_open_dev$ndb(&(0x7f0000000140)='/dev/nbd#\x00', 0x0, 0x0) ioctl$NBD_CLEAR_QUE(r0, 0xab05) ioctl$NBD_CLEAR_SOCK(r4, 0xab04) ioctl$NBD_SET_SOCK(r0, 0xab03, 0xffffffffffffffff) 22:52:17 executing program 0: r0 = syz_open_dev$ndb(&(0x7f0000000000)='/dev/nbd#\x00', 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) r2 = openat$sequencer(0xffffffffffffff9c, &(0x7f0000000140)='/dev/sequencer\x00', 0x2, 0x0) ioctl$SNDCTL_SEQ_PANIC(r2, 0x5111) r3 = openat$sequencer(0xffffffffffffff9c, &(0x7f0000000140)='/dev/sequencer\x00', 0x2, 0x0) ioctl$SNDCTL_SEQ_PANIC(r3, 0x5111) ioctl$SNDCTL_TMR_METRONOME(r3, 0x40045407) ioctl$SNDCTL_SEQ_PANIC(r2, 0x5111) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r4 = syz_open_dev$ndb(&(0x7f0000000140)='/dev/nbd#\x00', 0x0, 0x8400) r5 = syz_genetlink_get_family_id$nbd(&(0x7f00000000c0)='nbd\x00') sendmsg$NBD_CMD_STATUS(0xffffffffffffffff, &(0x7f00000001c0)={&(0x7f0000000080), 0xc, &(0x7f0000000180)={&(0x7f0000000100)={0x38, r5, 0xa00, 0x70bd26, 0x25dfdbfc, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x108}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0xffffffffffff15a7}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0xfffffffffffffff9}]}, 0x38}, 0x1, 0x0, 0x0, 0x20000888}, 0x8000) ioctl$NBD_CLEAR_SOCK(r4, 0xab04) ioctl$NBD_SET_SOCK(r0, 0xab03, 0xffffffffffffffff) syz_open_dev$ndb(&(0x7f0000000200)='/dev/nbd#\x00', 0x0, 0x200) 22:52:17 executing program 4: r0 = syz_open_dev$ndb(&(0x7f0000000000)='/dev/nbd#\x00', 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = syz_open_dev$ndb(&(0x7f0000000140)='/dev/nbd#\x00', 0x0, 0x0) ioctl$NBD_CLEAR_SOCK(r2, 0xab04) ioctl$NBD_SET_SOCK(r0, 0xab03, 0xffffffffffffffff) r3 = openat$sequencer(0xffffffffffffff9c, &(0x7f0000000140)='/dev/sequencer\x00', 0x2, 0x0) ioctl$SNDCTL_FM_4OP_ENABLE(r3, 0x4004510f, &(0x7f00000000c0)=0x4) ioctl$SNDCTL_SEQ_PANIC(r3, 0x5111) ioctl$SNDCTL_SEQ_OUTOFBAND(r3, 0x40085112, &(0x7f0000000080)=@n={0x0, 0x0, @SEQ_NOTEON=@special, 0x8}) [ 1914.932197] block nbd3: shutting down sockets [ 1914.939917] block nbd4: Device being setup by another task [ 1914.971774] block nbd5: shutting down sockets [ 1914.994300] block nbd2: shutting down sockets 22:52:17 executing program 3: r0 = syz_open_dev$ndb(&(0x7f0000000000)='/dev/nbd#\x00', 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) ioctl$NBD_SET_TIMEOUT(r0, 0xab09, 0x6) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = syz_open_dev$ndb(&(0x7f0000000140)='/dev/nbd#\x00', 0x0, 0x0) ioctl$NBD_CLEAR_SOCK(r2, 0xab04) ioctl$NBD_SET_SOCK(r0, 0xab03, 0xffffffffffffffff) [ 1915.033223] block nbd0: shutting down sockets [ 1915.050350] block nbd2: shutting down sockets [ 1915.075857] block nbd4: shutting down sockets [ 1915.081622] block nbd0: shutting down sockets [ 1915.105306] block nbd4: shutting down sockets [ 1915.112976] block nbd0: Could not allocate knbd recv work queue. [ 1915.124392] block nbd3: shutting down sockets [ 1915.594783] block nbd1: Receive control failed (result -104) [ 1920.266138] block nbd1: Connection timed out [ 1920.271397] block nbd1: shutting down sockets [ 1920.275989] print_req_error: 117 callbacks suppressed [ 1920.276003] print_req_error: I/O error, dev nbd1, sector 0 [ 1920.286987] buffer_io_error: 122 callbacks suppressed [ 1920.286997] Buffer I/O error on dev nbd1, logical block 0, async page read [ 1920.299520] block nbd1: Connection timed out [ 1920.303947] print_req_error: I/O error, dev nbd1, sector 2 [ 1920.309761] Buffer I/O error on dev nbd1, logical block 1, async page read [ 1920.316997] block nbd1: Connection timed out [ 1920.321420] print_req_error: I/O error, dev nbd1, sector 4 [ 1920.327960] Buffer I/O error on dev nbd1, logical block 2, async page read [ 1920.335005] block nbd1: Connection timed out [ 1920.339624] print_req_error: I/O error, dev nbd1, sector 6 [ 1920.345358] Buffer I/O error on dev nbd1, logical block 3, async page read [ 1920.352802] print_req_error: I/O error, dev nbd1, sector 0 [ 1920.358902] Buffer I/O error on dev nbd1, logical block 0, async page read [ 1920.366372] print_req_error: I/O error, dev nbd1, sector 2 [ 1920.372007] Buffer I/O error on dev nbd1, logical block 1, async page read [ 1920.379253] Buffer I/O error on dev nbd1, logical block 2, async page read [ 1920.386382] Buffer I/O error on dev nbd1, logical block 3, async page read [ 1920.393565] print_req_error: I/O error, dev nbd1, sector 0 [ 1920.399566] Buffer I/O error on dev nbd1, logical block 0, async page read [ 1920.406904] print_req_error: I/O error, dev nbd1, sector 2 [ 1920.412557] Buffer I/O error on dev nbd1, logical block 1, async page read [ 1920.419891] print_req_error: I/O error, dev nbd1, sector 0 [ 1920.426266] print_req_error: I/O error, dev nbd1, sector 2 [ 1920.433316] ldm_validate_partition_table(): Disk read failed. [ 1920.441558] Dev nbd1: unable to read RDB block 0 [ 1920.448390] nbd1: unable to read partition table [ 1920.459875] ldm_validate_partition_table(): Disk read failed. 22:52:23 executing program 1: r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x182000) ioctl$NBD_SET_SIZE_BLOCKS(r0, 0xab07, 0x1000) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000000)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = syz_open_dev$ndb(&(0x7f0000000140)='/dev/nbd#\x00', 0x0, 0x8400) ioctl$NBD_SET_TIMEOUT(r2, 0xab09, 0x5) ioctl$NBD_SET_SOCK(r0, 0xab03, 0xffffffffffffffff) 22:52:23 executing program 5: r0 = syz_open_dev$ndb(&(0x7f0000000000)='/dev/nbd#\x00', 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) ioctl$NBD_SET_TIMEOUT(r0, 0xab09, 0x6) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = syz_open_dev$ndb(&(0x7f0000000140)='/dev/nbd#\x00', 0x0, 0x0) r3 = openat$dlm_control(0xffffffffffffff9c, &(0x7f0000000000)='/dev/dlm-control\x00', 0x0, 0x0) ioctl$SNDRV_PCM_IOCTL_XRUN(r3, 0x4148, 0x0) ioctl$NBD_CLEAR_SOCK(r2, 0xab04) ioctl$NBD_SET_SOCK(r0, 0xab03, 0xffffffffffffffff) 22:52:23 executing program 2: r0 = syz_open_dev$ndb(&(0x7f0000000000)='/dev/nbd#\x00', 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = socket$nl_generic(0x10, 0x3, 0x10) sendmsg$MPTCP_PM_CMD_SET_LIMITS(r2, &(0x7f0000000c80)={&(0x7f0000000bc0)={0x10, 0x0, 0x0, 0x20400000}, 0xc, &(0x7f0000000c40)={&(0x7f0000000c00)={0x14}, 0x14}}, 0x0) r3 = syz_genetlink_get_family_id$netlbl_mgmt(&(0x7f00000000c0)='NLBL_MGMT\x00') sendmsg$NLBL_MGMT_C_LISTDEF(r2, &(0x7f0000000a00)={&(0x7f0000000080)={0x10, 0x0, 0x0, 0x2}, 0xc, &(0x7f00000009c0)={&(0x7f0000000a40)={0x4c, r3, 0x400, 0x70bd25, 0x25dfdbff, {}, [@NLBL_MGMT_A_IPV6ADDR={0x14, 0x5, @dev={0xfe, 0x80, [], 0xe}}, @NLBL_MGMT_A_IPV6MASK={0x14, 0x6, @local}, @NLBL_MGMT_A_PROTOCOL={0x8, 0x2, 0x7}, @NLBL_MGMT_A_FAMILY={0x6, 0xb, 0x5}]}, 0x4c}, 0x1, 0x0, 0x0, 0x4000800}, 0x4080) ioctl$BTRFS_IOC_GET_DEV_STATS(r0, 0xc4089434, &(0x7f0000000180)={0x0, 0x1, 0x1, [0x6fe6, 0xffffffffffffffff, 0x2, 0xe3, 0x5], [0x4000000000001, 0x80, 0xfffffffffffffffe, 0xe02e, 0x3b, 0x5, 0x20, 0x5, 0x7, 0x9, 0x40, 0x7fff, 0x9, 0x1c77, 0x7, 0x1ff, 0xffffffffffffffff, 0xf09, 0x1f, 0xe333, 0x3, 0x0, 0xa8f, 0x8, 0x6, 0x4, 0x7fffffff, 0x0, 0x7, 0x3ff000000000, 0x5, 0x2, 0x80000001, 0x1000, 0x101, 0x4, 0xfffffffffffffff8, 0x0, 0x4, 0xfffffffffffffff8, 0x8, 0x5, 0x1, 0x8, 0x209, 0x7, 0x5, 0x4, 0x399, 0x9d51, 0xfffffffffffffffe, 0x8b, 0xea, 0x8, 0x401, 0x95, 0x200, 0x401, 0x4, 0x3, 0x5f, 0x6, 0x71c, 0xa0d, 0x0, 0xd9, 0x5, 0x64, 0x6, 0x1, 0xfffffffffffffff7, 0x3, 0xffffffffffffff27, 0x8, 0x4, 0x8, 0x100, 0x9, 0x4, 0x11, 0x7ff, 0x3, 0x5, 0xff, 0x4, 0x9, 0x4, 0x200, 0x1ca, 0x0, 0x2, 0x9fb5, 0x6, 0x1, 0x200, 0x4, 0x7fff, 0x0, 0xff7f, 0x5, 0x3de, 0x4, 0x9, 0x791, 0x500, 0x5, 0x6, 0xc3d3, 0x401, 0x8, 0x3, 0x4, 0x9, 0x4, 0x2c67, 0x92, 0x1, 0x1, 0x7fffffff, 0x1, 0xffff]}) r4 = syz_open_dev$ndb(&(0x7f0000000140)='/dev/nbd#\x00', 0x0, 0x0) ioctl$NBD_CLEAR_SOCK(r4, 0xab04) ioctl$NBD_SET_SOCK(r0, 0xab03, 0xffffffffffffffff) r5 = socket$vsock_dgram(0x28, 0x2, 0x0) ioctl$BTRFS_IOC_BALANCE_PROGRESS(r5, 0x84009422, &(0x7f00000005c0)) 22:52:23 executing program 0: r0 = syz_open_dev$ndb(&(0x7f0000000000)='/dev/nbd#\x00', 0x0, 0x0) ioctl$SNDRV_PCM_IOCTL_INFO(0xffffffffffffffff, 0x81204101, &(0x7f0000000180)) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) ioctl$SNDRV_PCM_IOCTL_RESUME(0xffffffffffffffff, 0x4147, 0x0) r2 = openat$dlm_control(0xffffffffffffff9c, &(0x7f0000000000)='/dev/dlm-control\x00', 0x0, 0x0) ioctl$SNDRV_PCM_IOCTL_XRUN(r2, 0x4148, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r3 = syz_open_dev$ndb(&(0x7f0000000140)='/dev/nbd#\x00', 0x0, 0x8400) ioctl$NBD_CLEAR_SOCK(r3, 0xab04) ioctl$NBD_SET_SOCK(r0, 0xab03, 0xffffffffffffffff) 22:52:23 executing program 3: r0 = syz_open_dev$ndb(&(0x7f0000000000)='/dev/nbd#\x00', 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) ioctl$NBD_SET_TIMEOUT(r0, 0xab09, 0x6) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) ioctl$NBD_CLEAR_SOCK(0xffffffffffffffff, 0xab04) ioctl$NBD_SET_SOCK(r0, 0xab03, 0xffffffffffffffff) 22:52:23 executing program 4: pselect6(0x40, &(0x7f0000000180)={0x4, 0x400, 0x1, 0x1, 0x1ff, 0x1f, 0x1, 0x5}, &(0x7f00000001c0)={0x80000000, 0x7, 0x6, 0x4, 0x6, 0xc6, 0x400, 0x6}, &(0x7f0000000440)={0x3, 0x684, 0x8001, 0xb5, 0xffffffffffffff2d, 0x1ff, 0x4, 0x7}, &(0x7f0000000480), &(0x7f0000000500)={&(0x7f00000004c0)={[0xbb]}, 0x8}) r0 = syz_open_dev$ndb(&(0x7f0000000000)='/dev/nbd#\x00', 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = openat$dlm_control(0xffffffffffffff9c, &(0x7f0000000000)='/dev/dlm-control\x00', 0x0, 0x0) ioctl$SNDRV_PCM_IOCTL_XRUN(r2, 0x4148, 0x0) write$FUSE_NOTIFY_RETRIEVE(r2, &(0x7f0000000240)={0x30, 0x5, 0x0, {0x0, 0x5, 0x6, 0x80}}, 0x30) r3 = syz_genetlink_get_family_id$mptcp(&(0x7f00000002c0)='mptcp_pm\x00') sendmsg$MPTCP_PM_CMD_FLUSH_ADDRS(r2, &(0x7f0000000380)={&(0x7f0000000280)={0x10, 0x0, 0x0, 0x4}, 0xc, &(0x7f0000000340)={&(0x7f0000000300)={0x28, r3, 0x200, 0x70bd2c, 0x25dfdbfb, {}, [@MPTCP_PM_ATTR_SUBFLOWS={0x8, 0x3, 0x7}, @MPTCP_PM_ATTR_SUBFLOWS={0x8}, @MPTCP_PM_ATTR_ADDR={0x4}]}, 0x28}, 0x1, 0x0, 0x0, 0x1}, 0x80) r4 = syz_open_dev$ndb(&(0x7f0000000140)='/dev/nbd#\x00', 0x0, 0x0) r5 = syz_genetlink_get_family_id$nbd(&(0x7f00000000c0)='nbd\x00') r6 = socket$nl_generic(0x10, 0x3, 0x10) sendmsg$MPTCP_PM_CMD_SET_LIMITS(r6, &(0x7f0000000c80)={&(0x7f0000000bc0)={0x10, 0x0, 0x0, 0x20400000}, 0xc, &(0x7f0000000c40)={&(0x7f0000000c00)={0x14}, 0x14}}, 0x0) sendmsg$NBD_CMD_DISCONNECT(r6, &(0x7f0000000600)={&(0x7f0000000540)={0x10, 0x0, 0x0, 0x1000}, 0xc, &(0x7f00000005c0)={&(0x7f0000000580)={0x20, r5, 0x10, 0x70bd2b, 0x25dfdbfc, {}, [@NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8, 0x1, r1}]}]}, 0x20}, 0x1, 0x0, 0x0, 0x10}, 0x4800) sendmsg$NBD_CMD_RECONFIGURE(0xffffffffffffffff, &(0x7f0000000200)={&(0x7f0000000080)={0x10, 0x0, 0x0, 0x200}, 0xc, &(0x7f0000000100)={&(0x7f00000003c0)=ANY=[@ANYBLOB='X\x00\x00\x00', @ANYRES16=r5, @ANYBLOB="000326bd7000fddbdf25030000000c00080009000000000000000c00020004000000000000000c00030008000000000000000800010000000000bb8bcd562b1f5a2dab7aef0c000400feffffffffffffff0c0003004000000000000000"], 0x58}, 0x1, 0x0, 0x0, 0x4}, 0x10) ioctl$NBD_CLEAR_SOCK(r4, 0xab04) ioctl$NBD_SET_SOCK(r0, 0xab03, 0xffffffffffffffff) [ 1920.467673] Dev nbd1: unable to read RDB block 0 [ 1920.474914] nbd1: unable to read partition table [ 1920.526658] block nbd0: shutting down sockets [ 1920.541175] block nbd2: shutting down sockets [ 1920.544166] block nbd5: shutting down sockets [ 1920.573359] block nbd4: shutting down sockets [ 1920.587868] block nbd2: shutting down sockets [ 1920.588966] block nbd0: shutting down sockets 22:52:23 executing program 5: r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = openat$dlm_control(0xffffffffffffff9c, &(0x7f0000000000)='/dev/dlm-control\x00', 0x2580c0, 0x0) ioctl$mixer_OSS_GETVERSION(r2, 0x80044d76, &(0x7f00000000c0)) r3 = syz_open_dev$ndb(&(0x7f0000000140)='/dev/nbd#\x00', 0x0, 0x8400) ioctl$NBD_CLEAR_SOCK(r3, 0xab04) ioctl$NBD_SET_SOCK(r0, 0xab03, 0xffffffffffffffff) 22:52:23 executing program 0: r0 = syz_open_dev$ndb(&(0x7f0000000000)='/dev/nbd#\x00', 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)) r1 = openat$dlm_control(0xffffffffffffff9c, &(0x7f0000000000)='/dev/dlm-control\x00', 0x0, 0x0) ioctl$SNDRV_PCM_IOCTL_XRUN(r1, 0x4148, 0x0) r2 = openat$dlm_control(0xffffffffffffff9c, &(0x7f0000000000)='/dev/dlm-control\x00', 0x0, 0x0) ioctl$SNDRV_PCM_IOCTL_XRUN(r2, 0x4148, 0x0) openat$dlm_control(0xffffffffffffff9c, &(0x7f0000000080)='/dev/dlm-control\x00', 0x40, 0x0) r3 = openat$dlm_control(0xffffffffffffff9c, &(0x7f0000000000)='/dev/dlm-control\x00', 0x0, 0x0) ioctl$SNDRV_PCM_IOCTL_XRUN(r3, 0x4148, 0x0) r4 = openat$dlm_control(0xffffffffffffff9c, &(0x7f0000000000)='/dev/dlm-control\x00', 0x0, 0x0) ioctl$SNDRV_PCM_IOCTL_XRUN(r4, 0x4148, 0x0) r5 = openat$dlm_control(0xffffffffffffff9c, &(0x7f0000000000)='/dev/dlm-control\x00', 0x0, 0x0) ioctl$SNDRV_PCM_IOCTL_XRUN(r5, 0x4148, 0x0) r6 = openat$dlm_control(0xffffffffffffff9c, &(0x7f0000000000)='/dev/dlm-control\x00', 0x0, 0x0) ioctl$SNDRV_PCM_IOCTL_XRUN(r6, 0x4148, 0x0) ioctl$NBD_SET_SOCK(r6, 0xab00, r5) ioctl$BTRFS_IOC_BALANCE_PROGRESS(0xffffffffffffffff, 0x84009422, &(0x7f0000000180)={0x0, 0x0, {0x0, @struct}, {0x0, @struct, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @struct}, {0x0, @usage, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @struct}}) r7 = syz_open_dev$ndb(&(0x7f0000000140)='/dev/nbd#\x00', 0x0, 0x8400) ioctl$NBD_CLEAR_SOCK(r7, 0xab04) ioctl$NBD_SET_SOCK(r0, 0xab03, 0xffffffffffffffff) 22:52:23 executing program 2: r0 = syz_open_dev$ndb(&(0x7f0000000000)='/dev/nbd#\x00', 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x42002) ioctl$NBD_CLEAR_SOCK(r2, 0xab04) ioctl$NBD_SET_SOCK(r0, 0xab03, 0xffffffffffffffff) 22:52:23 executing program 4: r0 = openat$sequencer2(0xffffffffffffff9c, &(0x7f0000000080)='/dev/sequencer2\x00', 0x10c00, 0x0) ioctl$SNDCTL_SEQ_PANIC(r0, 0x5111) r1 = syz_open_dev$ndb(&(0x7f0000000000)='/dev/nbd#\x00', 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) r3 = syz_open_dev$ndb(&(0x7f0000000140)='/dev/nbd#\x00', 0x0, 0x4000) ioctl$NBD_CLEAR_SOCK(r3, 0xab04) ioctl$NBD_SET_SOCK(r1, 0xab03, 0xffffffffffffffff) r4 = socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_RECONFIGURE(r4, &(0x7f00000001c0)={&(0x7f00000000c0)={0x10, 0x0, 0x0, 0x100}, 0xc, &(0x7f0000000180)={&(0x7f0000000100)={0x28, 0x0, 0x4, 0x70bd26, 0x25dfdbfd, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0xa2f}]}, 0x28}, 0x1, 0x0, 0x0, 0x20000000}, 0x4000041) sendmsg$NLBL_MGMT_C_REMOVEDEF(r4, &(0x7f0000000300)={&(0x7f0000000200)={0x10, 0x0, 0x0, 0x40000}, 0xc, &(0x7f00000002c0)={&(0x7f0000000240)={0x50, 0x0, 0x200, 0x70bd25, 0x25dfdbfe, {}, [@NLBL_MGMT_A_IPV6MASK={0x14, 0x6, @mcast2}, @NLBL_MGMT_A_IPV4ADDR={0x8, 0x7, @multicast2}, @NLBL_MGMT_A_IPV4ADDR={0x8, 0x7, @loopback}, @NLBL_MGMT_A_IPV4ADDR={0x8, 0x7, @dev={0xac, 0x14, 0x14, 0x42}}, @NLBL_MGMT_A_PROTOCOL={0x8, 0x2, 0x3}, @NLBL_MGMT_A_IPV4MASK={0x8, 0x8, @multicast2}]}, 0x50}, 0x1, 0x0, 0x0, 0x20044800}, 0x4000001) [ 1920.703648] block nbd5: shutting down sockets 22:52:23 executing program 0: r0 = syz_open_dev$ndb(&(0x7f0000000000)='/dev/nbd#\x00', 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = syz_open_dev$ndb(&(0x7f0000000140)='/dev/nbd#\x00', 0x0, 0x0) ioctl$NBD_CLEAR_SOCK(r2, 0xab04) ioctl$NBD_SET_SOCK(r0, 0xab03, 0xffffffffffffffff) r3 = openat$dlm_control(0xffffffffffffff9c, &(0x7f0000000000)='/dev/dlm-control\x00', 0x389c40, 0x0) ioctl$SNDRV_PCM_IOCTL_XRUN(r3, 0x4148, 0x0) ioctl$NBD_SET_TIMEOUT(r3, 0xab09, 0x5210000000) 22:52:23 executing program 5: pselect6(0x40, &(0x7f0000000180)={0x4, 0x400, 0x1, 0x1, 0x1ff, 0x1f, 0x1, 0x5}, &(0x7f00000001c0)={0x80000000, 0x7, 0x6, 0x4, 0x6, 0xc6, 0x400, 0x6}, &(0x7f0000000440)={0x3, 0x684, 0x8001, 0xb5, 0xffffffffffffff2d, 0x1ff, 0x4, 0x7}, &(0x7f0000000480), &(0x7f0000000500)={&(0x7f00000004c0)={[0xbb]}, 0x8}) r0 = syz_open_dev$ndb(&(0x7f0000000000)='/dev/nbd#\x00', 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = openat$dlm_control(0xffffffffffffff9c, &(0x7f0000000000)='/dev/dlm-control\x00', 0x0, 0x0) ioctl$SNDRV_PCM_IOCTL_XRUN(r2, 0x4148, 0x0) write$FUSE_NOTIFY_RETRIEVE(r2, &(0x7f0000000240)={0x30, 0x5, 0x0, {0x0, 0x5, 0x6, 0x80}}, 0x30) r3 = syz_genetlink_get_family_id$mptcp(&(0x7f00000002c0)='mptcp_pm\x00') sendmsg$MPTCP_PM_CMD_FLUSH_ADDRS(r2, &(0x7f0000000380)={&(0x7f0000000280)={0x10, 0x0, 0x0, 0x4}, 0xc, &(0x7f0000000340)={&(0x7f0000000300)={0x28, r3, 0x200, 0x70bd2c, 0x25dfdbfb, {}, [@MPTCP_PM_ATTR_SUBFLOWS={0x8, 0x3, 0x7}, @MPTCP_PM_ATTR_SUBFLOWS={0x8}, @MPTCP_PM_ATTR_ADDR={0x4}]}, 0x28}, 0x1, 0x0, 0x0, 0x1}, 0x80) r4 = syz_open_dev$ndb(&(0x7f0000000140)='/dev/nbd#\x00', 0x0, 0x0) r5 = syz_genetlink_get_family_id$nbd(&(0x7f00000000c0)='nbd\x00') r6 = socket$nl_generic(0x10, 0x3, 0x10) sendmsg$MPTCP_PM_CMD_SET_LIMITS(r6, &(0x7f0000000c80)={&(0x7f0000000bc0)={0x10, 0x0, 0x0, 0x20400000}, 0xc, &(0x7f0000000c40)={&(0x7f0000000c00)={0x14}, 0x14}}, 0x0) sendmsg$NBD_CMD_DISCONNECT(r6, &(0x7f0000000600)={&(0x7f0000000540)={0x10, 0x0, 0x0, 0x1000}, 0xc, &(0x7f00000005c0)={&(0x7f0000000580)={0x20, r5, 0x10, 0x70bd2b, 0x25dfdbfc, {}, [@NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8, 0x1, r1}]}]}, 0x20}, 0x1, 0x0, 0x0, 0x10}, 0x4800) sendmsg$NBD_CMD_RECONFIGURE(0xffffffffffffffff, &(0x7f0000000200)={&(0x7f0000000080)={0x10, 0x0, 0x0, 0x200}, 0xc, &(0x7f0000000100)={&(0x7f00000003c0)=ANY=[@ANYBLOB='X\x00\x00\x00', @ANYRES16=r5, @ANYBLOB="000326bd7000fddbdf25030000000c00080009000000000000000c00020004000000000000000c00030008000000000000000800010000000000bb8bcd562b1f5a2dab7aef0c000400feffffffffffffff0c0003004000000000000000"], 0x58}, 0x1, 0x0, 0x0, 0x4}, 0x10) ioctl$NBD_CLEAR_SOCK(r4, 0xab04) ioctl$NBD_SET_SOCK(r0, 0xab03, 0xffffffffffffffff) [ 1920.733603] block nbd2: shutting down sockets [ 1920.751533] block nbd4: shutting down sockets [ 1920.765545] block nbd4: shutting down sockets [ 1920.779098] block nbd2: shutting down sockets [ 1920.824564] block nbd0: shutting down sockets [ 1920.862590] block nbd0: shutting down sockets [ 1920.889124] block nbd5: shutting down sockets [ 1921.339000] block nbd3: Receive control failed (result -32) [ 1921.345190] block nbd3: shutting down sockets [ 1921.357035] block nbd1: Receive control failed (result -104) [ 1926.036161] block nbd1: Connection timed out [ 1926.040617] block nbd1: shutting down sockets [ 1926.045239] print_req_error: 117 callbacks suppressed [ 1926.045245] print_req_error: I/O error, dev nbd1, sector 0 [ 1926.057417] buffer_io_error: 122 callbacks suppressed [ 1926.057426] Buffer I/O error on dev nbd1, logical block 0, async page read [ 1926.071272] block nbd1: Connection timed out [ 1926.075696] print_req_error: I/O error, dev nbd1, sector 2 [ 1926.081446] Buffer I/O error on dev nbd1, logical block 1, async page read [ 1926.088591] block nbd1: Connection timed out [ 1926.093113] print_req_error: I/O error, dev nbd1, sector 4 [ 1926.098832] Buffer I/O error on dev nbd1, logical block 2, async page read [ 1926.106108] block nbd1: Connection timed out [ 1926.110564] print_req_error: I/O error, dev nbd1, sector 6 [ 1926.116283] Buffer I/O error on dev nbd1, logical block 3, async page read [ 1926.123472] print_req_error: I/O error, dev nbd1, sector 0 [ 1926.129212] Buffer I/O error on dev nbd1, logical block 0, async page read [ 1926.137003] print_req_error: I/O error, dev nbd1, sector 2 [ 1926.143328] Buffer I/O error on dev nbd1, logical block 1, async page read [ 1926.150496] Buffer I/O error on dev nbd1, logical block 2, async page read [ 1926.157728] Buffer I/O error on dev nbd1, logical block 3, async page read [ 1926.166074] print_req_error: I/O error, dev nbd1, sector 0 [ 1926.171713] Buffer I/O error on dev nbd1, logical block 0, async page read [ 1926.178873] Buffer I/O error on dev nbd1, logical block 1, async page read [ 1926.186448] print_req_error: I/O error, dev nbd1, sector 0 [ 1926.192384] print_req_error: I/O error, dev nbd1, sector 0 [ 1926.198430] print_req_error: I/O error, dev nbd1, sector 0 [ 1926.207129] ldm_validate_partition_table(): Disk read failed. [ 1926.214213] Dev nbd1: unable to read RDB block 0 [ 1926.220955] nbd1: unable to read partition table [ 1926.230971] ldm_validate_partition_table(): Disk read failed. 22:52:28 executing program 1: r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x182000) ioctl$NBD_SET_SIZE_BLOCKS(r0, 0xab07, 0x1000) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000000)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = syz_open_dev$ndb(&(0x7f0000000140)='/dev/nbd#\x00', 0x0, 0x8400) ioctl$NBD_CLEAR_SOCK(r2, 0xab04) ioctl$NBD_SET_SOCK(r0, 0xab03, 0xffffffffffffffff) 22:52:28 executing program 4: r0 = syz_open_dev$ndb(&(0x7f0000000000)='/dev/nbd#\x00', 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) ioctl$SNDCTL_TMR_STOP(0xffffffffffffffff, 0x5403) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = syz_open_dev$ndb(&(0x7f0000000140)='/dev/nbd#\x00', 0x0, 0x442002) ioctl$NBD_CLEAR_SOCK(r2, 0xab04) ioctl$NBD_SET_SOCK(r0, 0xab03, 0xffffffffffffffff) 22:52:28 executing program 2: r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = syz_open_dev$ndb(&(0x7f0000000140)='/dev/nbd#\x00', 0x0, 0x0) ioctl$NBD_CLEAR_SOCK(r2, 0xab04) ioctl$NBD_SET_SOCK(r0, 0xab03, 0xffffffffffffffff) 22:52:28 executing program 0: r0 = syz_open_dev$ndb(&(0x7f0000000000)='/dev/nbd#\x00', 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) syz_open_dev$ndb(&(0x7f0000000140)='/dev/nbd#\x00', 0x0, 0x8400) r2 = openat$dlm_control(0xffffffffffffff9c, &(0x7f0000000000)='/dev/dlm-control\x00', 0x0, 0x0) ioctl$SNDRV_PCM_IOCTL_XRUN(r2, 0x4148, 0x0) r3 = openat$dlm_control(0xffffffffffffff9c, &(0x7f0000000000)='/dev/dlm-control\x00', 0x0, 0x0) ioctl$SNDRV_PCM_IOCTL_XRUN(r3, 0x4148, 0x0) ioctl$NBD_CLEAR_SOCK(r0, 0xab04) ioctl$NBD_SET_SOCK(r0, 0xab03, 0xffffffffffffffff) 22:52:28 executing program 5: pselect6(0x40, &(0x7f0000000180)={0x4, 0x400, 0x1, 0x1, 0x1ff, 0x1f, 0x1, 0x5}, &(0x7f00000001c0)={0x80000000, 0x7, 0x6, 0x4, 0x6, 0xc6, 0x400, 0x6}, &(0x7f0000000440)={0x3, 0x684, 0x8001, 0xb5, 0xffffffffffffff2d, 0x1ff, 0x4, 0x7}, &(0x7f0000000480), &(0x7f0000000500)={&(0x7f00000004c0)={[0xbb]}, 0x8}) r0 = syz_open_dev$ndb(&(0x7f0000000000)='/dev/nbd#\x00', 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = openat$dlm_control(0xffffffffffffff9c, &(0x7f0000000000)='/dev/dlm-control\x00', 0x0, 0x0) ioctl$SNDRV_PCM_IOCTL_XRUN(r2, 0x4148, 0x0) write$FUSE_NOTIFY_RETRIEVE(r2, &(0x7f0000000240)={0x30, 0x5, 0x0, {0x0, 0x5, 0x6, 0x80}}, 0x30) r3 = syz_genetlink_get_family_id$mptcp(&(0x7f00000002c0)='mptcp_pm\x00') sendmsg$MPTCP_PM_CMD_FLUSH_ADDRS(r2, &(0x7f0000000380)={&(0x7f0000000280)={0x10, 0x0, 0x0, 0x4}, 0xc, &(0x7f0000000340)={&(0x7f0000000300)={0x28, r3, 0x200, 0x70bd2c, 0x25dfdbfb, {}, [@MPTCP_PM_ATTR_SUBFLOWS={0x8, 0x3, 0x7}, @MPTCP_PM_ATTR_SUBFLOWS={0x8}, @MPTCP_PM_ATTR_ADDR={0x4}]}, 0x28}, 0x1, 0x0, 0x0, 0x1}, 0x80) r4 = syz_open_dev$ndb(&(0x7f0000000140)='/dev/nbd#\x00', 0x0, 0x0) r5 = syz_genetlink_get_family_id$nbd(&(0x7f00000000c0)='nbd\x00') r6 = socket$nl_generic(0x10, 0x3, 0x10) sendmsg$MPTCP_PM_CMD_SET_LIMITS(r6, &(0x7f0000000c80)={&(0x7f0000000bc0)={0x10, 0x0, 0x0, 0x20400000}, 0xc, &(0x7f0000000c40)={&(0x7f0000000c00)={0x14}, 0x14}}, 0x0) sendmsg$NBD_CMD_DISCONNECT(r6, &(0x7f0000000600)={&(0x7f0000000540)={0x10, 0x0, 0x0, 0x1000}, 0xc, &(0x7f00000005c0)={&(0x7f0000000580)={0x20, r5, 0x10, 0x70bd2b, 0x25dfdbfc, {}, [@NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8, 0x1, r1}]}]}, 0x20}, 0x1, 0x0, 0x0, 0x10}, 0x4800) sendmsg$NBD_CMD_RECONFIGURE(0xffffffffffffffff, &(0x7f0000000200)={&(0x7f0000000080)={0x10, 0x0, 0x0, 0x200}, 0xc, &(0x7f0000000100)={&(0x7f00000003c0)=ANY=[@ANYBLOB='X\x00\x00\x00', @ANYRES16=r5, @ANYBLOB="000326bd7000fddbdf25030000000c00080009000000000000000c00020004000000000000000c00030008000000000000000800010000000000bb8bcd562b1f5a2dab7aef0c000400feffffffffffffff0c0003004000000000000000"], 0x58}, 0x1, 0x0, 0x0, 0x4}, 0x10) ioctl$NBD_CLEAR_SOCK(r4, 0xab04) ioctl$NBD_SET_SOCK(r0, 0xab03, 0xffffffffffffffff) 22:52:28 executing program 3: r0 = syz_open_dev$ndb(&(0x7f0000000000)='/dev/nbd#\x00', 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) ioctl$NBD_SET_TIMEOUT(r0, 0xab09, 0x6) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) ioctl$NBD_CLEAR_SOCK(0xffffffffffffffff, 0xab04) ioctl$NBD_SET_SOCK(r0, 0xab03, 0xffffffffffffffff) [ 1926.238478] Dev nbd1: unable to read RDB block 0 [ 1926.244880] nbd1: unable to read partition table [ 1926.290930] block nbd0: shutting down sockets [ 1926.296400] block nbd2: shutting down sockets [ 1926.315011] block nbd1: shutting down sockets [ 1926.324967] block nbd2: shutting down sockets [ 1926.330283] block nbd0: shutting down sockets [ 1926.360648] block nbd5: shutting down sockets 22:52:28 executing program 1: r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x182000) ioctl$NBD_SET_SIZE_BLOCKS(r0, 0xab07, 0x1000) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000000)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = syz_open_dev$ndb(&(0x7f0000000140)='/dev/nbd#\x00', 0x0, 0x8400) ioctl$NBD_CLEAR_SOCK(r2, 0xab04) ioctl$NBD_SET_SOCK(r0, 0xab03, 0xffffffffffffffff) 22:52:28 executing program 2: ioctl$SNDRV_PCM_IOCTL_RESUME(0xffffffffffffffff, 0x4147, 0x0) r0 = syz_open_dev$ndb(&(0x7f0000000000)='/dev/nbd#\x00', 0x0, 0x2200) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = syz_open_dev$ndb(&(0x7f0000000140)='/dev/nbd#\x00', 0x0, 0x0) ioctl$NBD_CLEAR_SOCK(r2, 0xab04) ioctl$NBD_SET_SOCK(r0, 0xab03, 0xffffffffffffffff) 22:52:28 executing program 0: r0 = syz_open_dev$ndb(&(0x7f0000000000)='/dev/nbd#\x00', 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) ioctl$NBD_SET_BLKSIZE(r0, 0xab01, 0x9) r2 = syz_open_dev$ndb(&(0x7f0000000140)='/dev/nbd#\x00', 0x0, 0x8400) ioctl$NBD_CLEAR_SOCK(r2, 0xab04) ioctl$NBD_SET_SOCK(r0, 0xab03, 0xffffffffffffffff) 22:52:28 executing program 5: r0 = syz_open_dev$ndb(&(0x7f0000000000)='/dev/nbd#\x00', 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) ioctl$NBD_SET_TIMEOUT(r0, 0xab09, 0x6) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) ioctl$NBD_CLEAR_SOCK(0xffffffffffffffff, 0xab04) ioctl$NBD_SET_SOCK(r0, 0xab03, 0xffffffffffffffff) [ 1926.472806] block nbd1: shutting down sockets [ 1926.477468] block nbd0: shutting down sockets [ 1926.492670] block nbd0: shutting down sockets [ 1926.498334] block nbd2: shutting down sockets [ 1926.516656] block nbd2: shutting down sockets 22:52:29 executing program 0: r0 = syz_open_dev$ndb(&(0x7f0000000000)='/dev/nbd#\x00', 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = openat$dlm_control(0xffffffffffffff9c, &(0x7f0000000080)='/dev/dlm-control\x00', 0x20000, 0x0) ioctl$NBD_CLEAR_SOCK(r2, 0xab04) r3 = syz_open_dev$ndb(&(0x7f0000000140)='/dev/nbd#\x00', 0x0, 0x8400) ioctl$NBD_CLEAR_SOCK(r3, 0xab04) ioctl$NBD_SET_SOCK(r0, 0xab03, 0xffffffffffffffff) 22:52:29 executing program 1: r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x182000) ioctl$NBD_SET_SIZE_BLOCKS(r0, 0xab07, 0x1000) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000000)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = syz_open_dev$ndb(&(0x7f0000000140)='/dev/nbd#\x00', 0x0, 0x8400) ioctl$NBD_CLEAR_SOCK(r2, 0xab04) ioctl$NBD_SET_SOCK(r0, 0xab03, 0xffffffffffffffff) 22:52:29 executing program 2: r0 = syz_open_dev$ndb(&(0x7f0000000000)='/dev/nbd#\x00', 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = syz_open_dev$ndb(&(0x7f0000000140)='/dev/nbd#\x00', 0x0, 0x0) r3 = socket$nl_generic(0x10, 0x3, 0x10) r4 = openat$snapshot(0xffffffffffffff9c, &(0x7f0000000200)='/dev/snapshot\x00', 0x800, 0x0) ioctl$SNAPSHOT_GET_IMAGE_SIZE(r4, 0x8008330e, &(0x7f0000000240)) sendmsg$NBD_CMD_RECONFIGURE(r3, &(0x7f00000001c0)={&(0x7f0000000080)={0x10, 0x0, 0x0, 0x80}, 0xc, &(0x7f0000000180)={&(0x7f00000000c0)={0x44, 0x0, 0x1, 0x70bd2d, 0x25dfdbff, {}, [@NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x40}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x4}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x1ff}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x8}]}, 0x44}, 0x1, 0x0, 0x0, 0x4}, 0x4) r5 = socket$nl_generic(0x10, 0x3, 0x10) sendmsg$MPTCP_PM_CMD_SET_LIMITS(r5, &(0x7f0000000c80)={&(0x7f0000000bc0)={0x10, 0x0, 0x0, 0x20400000}, 0xc, &(0x7f0000000c40)={&(0x7f0000000c00)={0x14}, 0x14}}, 0x0) sendmsg$MPTCP_PM_CMD_SET_LIMITS(r5, &(0x7f0000000340)={&(0x7f0000000280)={0x10, 0x0, 0x0, 0x20240280}, 0xc, &(0x7f0000000300)={&(0x7f00000002c0)={0x34, 0x0, 0x200, 0x70bd2a, 0x25dfdbff, {}, [@MPTCP_PM_ATTR_SUBFLOWS={0x8, 0x3, 0x3}, @MPTCP_PM_ATTR_RCV_ADD_ADDRS={0x8, 0x2, 0x4}, @MPTCP_PM_ATTR_RCV_ADD_ADDRS={0x8, 0x2, 0x8}, @MPTCP_PM_ATTR_SUBFLOWS={0x8}]}, 0x34}, 0x1, 0x0, 0x0, 0x2000c890}, 0x40) ioctl$NBD_CLEAR_SOCK(r2, 0xab04) ioctl$NBD_SET_SOCK(r0, 0xab03, 0xffffffffffffffff) [ 1926.602971] block nbd0: shutting down sockets [ 1926.614575] block nbd1: shutting down sockets [ 1926.620614] block nbd2: shutting down sockets [ 1926.649933] block nbd2: shutting down sockets [ 1926.659375] block nbd0: shutting down sockets 22:52:29 executing program 4: r0 = syz_open_dev$ndb(&(0x7f0000000000)='/dev/nbd#\x00', 0x0, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, 0xffffffffffffffff) r1 = openat$dlm_control(0xffffffffffffff9c, &(0x7f0000000000)='/dev/dlm-control\x00', 0x0, 0x0) ioctl$SNDRV_PCM_IOCTL_XRUN(r1, 0x4148, 0x0) ioctl$NBD_SET_SIZE(r1, 0xab02, 0x0) r2 = syz_open_dev$ndb(&(0x7f0000000140)='/dev/nbd#\x00', 0x0, 0x0) ioctl$NBD_CLEAR_SOCK(r2, 0xab04) r3 = openat$dlm_control(0xffffffffffffff9c, 0xffffffffffffffff, 0x0, 0x0) ioctl$NBD_SET_SIZE(r3, 0xab02, 0x3) ioctl$NBD_SET_SOCK(r0, 0xab03, 0xffffffffffffffff) 22:52:29 executing program 1: r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x182000) ioctl$NBD_SET_SIZE_BLOCKS(r0, 0xab07, 0x1000) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000000)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) ioctl$NBD_SET_TIMEOUT(0xffffffffffffffff, 0xab09, 0x5) ioctl$NBD_CLEAR_SOCK(0xffffffffffffffff, 0xab04) ioctl$NBD_SET_SOCK(r0, 0xab03, 0xffffffffffffffff) 22:52:29 executing program 2: r0 = syz_open_dev$ndb(&(0x7f0000000000)='/dev/nbd#\x00', 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) socket$packet(0x11, 0x2, 0x300) r2 = openat$mixer(0xffffffffffffff9c, &(0x7f0000000080)='/dev/mixer\x00', 0x80000, 0x0) ioctl$BTRFS_IOC_BALANCE_PROGRESS(r2, 0x84009422, &(0x7f0000000580)={0x0, 0x0, {0x0, @struct, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @struct}, {0x0, @struct}, {0x0, @usage, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @struct}}) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) write$FUSE_INTERRUPT(0xffffffffffffffff, &(0x7f00000000c0)={0x10}, 0x10) r3 = syz_open_dev$ndb(&(0x7f0000000140)='/dev/nbd#\x00', 0x0, 0x0) ioctl$NBD_CLEAR_SOCK(r3, 0xab04) ioctl$NBD_SET_SOCK(r0, 0xab03, 0xffffffffffffffff) r4 = openat$dlm_control(0xffffffffffffff9c, &(0x7f0000000000)='/dev/dlm-control\x00', 0x0, 0x0) ioctl$SNDRV_PCM_IOCTL_XRUN(r4, 0x4148, 0x0) ioctl$NBD_DO_IT(r0, 0xab03) ioctl$NBD_SET_SIZE(r4, 0xab02, 0x6) 22:52:29 executing program 0: r0 = syz_open_dev$ndb(&(0x7f0000000000)='/dev/nbd#\x00', 0x0, 0x0) r1 = syz_open_dev$dri(&(0x7f0000000080)='/dev/dri/card#\x00', 0x1, 0x80000) r2 = syz_open_dev$dri(&(0x7f0000001400)='/dev/dri/card#\x00', 0x0, 0x0) ioctl$DRM_IOCTL_MODE_CREATEPROPBLOB(r2, 0xc01064bd, &(0x7f0000001480)={0x0}) ioctl$DRM_IOCTL_PRIME_FD_TO_HANDLE(r1, 0xc00c642e, &(0x7f00000000c0)={0x0, 0x0, r2}) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r0, 0xab00, r3) r4 = syz_open_dev$ndb(&(0x7f0000000140)='/dev/nbd#\x00', 0x0, 0x8400) ioctl$NBD_CLEAR_SOCK(r4, 0xab04) ioctl$NBD_SET_SOCK(r0, 0xab03, 0xffffffffffffffff) [ 1927.112165] block nbd4: Receive control failed (result -32) [ 1927.113555] block nbd4: Device being setup by another task [ 1927.129089] block nbd4: shutting down sockets [ 1927.139299] block nbd3: Receive control failed (result -32) [ 1927.139462] block nbd3: shutting down sockets 22:52:29 executing program 3: r0 = syz_open_dev$ndb(&(0x7f0000000000)='/dev/nbd#\x00', 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) ioctl$NBD_SET_TIMEOUT(r0, 0xab09, 0x6) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) ioctl$NBD_CLEAR_SOCK(0xffffffffffffffff, 0xab04) ioctl$NBD_SET_SOCK(r0, 0xab03, 0xffffffffffffffff) 22:52:29 executing program 4: r0 = syz_open_dev$ndb(&(0x7f0000000000)='/dev/nbd#\x00', 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) r2 = openat$dlm_control(0xffffffffffffff9c, &(0x7f0000000080)='/dev/dlm-control\x00', 0x2200c2, 0x0) ioctl$NBD_SET_BLKSIZE(r2, 0xab01, 0x3ff) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r3 = syz_open_dev$ndb(&(0x7f0000000140)='/dev/nbd#\x00', 0x0, 0x0) ioctl$NBD_CLEAR_SOCK(r3, 0xab04) ioctl$NBD_SET_SOCK(r0, 0xab03, 0xffffffffffffffff) [ 1927.220237] block nbd2: shutting down sockets [ 1927.229693] block nbd0: shutting down sockets [ 1927.268846] block nbd0: shutting down sockets [ 1927.273864] block nbd2: shutting down sockets 22:52:29 executing program 2: r0 = syz_open_dev$ndb(&(0x7f0000000000)='/dev/nbd#\x00', 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)) r1 = syz_open_dev$ndb(&(0x7f0000000140)='/dev/nbd#\x00', 0x0, 0x0) ioctl$NBD_CLEAR_SOCK(r1, 0xab04) ioctl$NBD_SET_BLKSIZE(r0, 0xab01, 0x1) ioctl$NBD_SET_SOCK(r0, 0xab03, 0xffffffffffffffff) 22:52:29 executing program 0: r0 = syz_open_dev$ndb(&(0x7f0000000000)='/dev/nbd#\x00', 0x0, 0x0) r1 = openat$dlm_control(0xffffffffffffff9c, &(0x7f0000000000)='/dev/dlm-control\x00', 0x0, 0x0) ioctl$SNDRV_PCM_IOCTL_XRUN(r1, 0x4148, 0x0) ioctl$SNDRV_PCM_IOCTL_HW_PARAMS(r1, 0xc2604111, &(0x7f0000000180)={0xffffffff, [[0x7, 0x333f, 0x6, 0x7fffffff, 0x5, 0x4af, 0x0, 0x7], [0x6, 0xfffffffe, 0xfffffae0, 0x9, 0x690f, 0x6, 0x6, 0x8], [0x200000, 0x200, 0x3, 0xda, 0x4, 0x20, 0xffffff3a, 0x1ff]], [], [{0xdab, 0x69dc, 0x0, 0x0, 0x1, 0x1}, {0xffff, 0x9, 0x1, 0x1, 0x0, 0x1}, {0x6, 0xbfc, 0x1, 0x1}, {0x9, 0x9, 0x0, 0x1}, {0x3, 0x7, 0x0, 0x1, 0x0, 0x1}, {0x2, 0x8, 0x0, 0x0, 0x1, 0x1}, {0xfffffff7, 0x1ff, 0x1, 0x1, 0x1, 0x1}, {0x7, 0x101, 0x0, 0x0, 0x1, 0x1}, {0x8, 0xffff, 0x0, 0x1, 0x1, 0x1}, {0x391, 0x7, 0x0, 0x1, 0x1}, {0x7, 0x9}, {0x9, 0x1, 0x1, 0x0, 0x1}], [], 0x17}) openat$cgroup_devices(r1, &(0x7f0000000080)='devices.deny\x00', 0x2, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r0, 0xab00, r2) r3 = syz_open_dev$ndb(&(0x7f0000000140)='/dev/nbd#\x00', 0x0, 0x8400) ioctl$NBD_CLEAR_SOCK(r3, 0xab04) ioctl$NBD_SET_SOCK(r0, 0xab03, 0xffffffffffffffff) 22:52:29 executing program 5: r0 = syz_open_dev$ndb(&(0x7f0000000000)='/dev/nbd#\x00', 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) ioctl$NBD_SET_TIMEOUT(r0, 0xab09, 0x6) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) ioctl$NBD_CLEAR_SOCK(0xffffffffffffffff, 0xab04) ioctl$NBD_SET_SOCK(r0, 0xab03, 0xffffffffffffffff) [ 1927.316756] block nbd5: Receive control failed (result -32) [ 1927.317186] block nbd5: shutting down sockets [ 1927.327315] block nbd4: shutting down sockets [ 1927.351685] block nbd4: shutting down sockets 22:52:29 executing program 4: r0 = syz_open_dev$ndb(&(0x7f0000000000)='/dev/nbd#\x00', 0x0, 0x0) ioctl$NBD_SET_TIMEOUT(r0, 0xab09, 0x40) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = syz_open_dev$ndb(&(0x7f0000000140)='/dev/nbd#\x00', 0x0, 0x0) ioctl$NBD_CLEAR_SOCK(r2, 0xab04) ioctl$NBD_SET_SOCK(r0, 0xab03, 0xffffffffffffffff) 22:52:29 executing program 2: r0 = syz_open_dev$ndb(&(0x7f0000000000)='/dev/nbd#\x00', 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = syz_open_dev$ndb(&(0x7f0000000140)='/dev/nbd#\x00', 0x0, 0x0) r3 = socket$nl_generic(0x10, 0x3, 0x10) r4 = openat$fb0(0xffffffffffffff9c, &(0x7f0000000380)='/dev/fb0\x00', 0x0, 0x0) ioctl$BTRFS_IOC_RESIZE(r4, 0x50009403, 0x0) sendmsg$MPTCP_PM_CMD_SET_LIMITS(r3, &(0x7f0000000c80)={&(0x7f0000000bc0)={0x10, 0x0, 0x0, 0x20400000}, 0xc, &(0x7f0000000c40)={&(0x7f0000000380)=ANY=[@ANYBLOB="14000000", @ANYRES64=r4, @ANYBLOB="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"], 0x14}, 0x1, 0x0, 0x0, 0x440c0}, 0x0) r5 = syz_genetlink_get_family_id$nbd(&(0x7f00000000c0)='nbd\x00') sendmsg$NBD_CMD_RECONFIGURE(r3, &(0x7f00000001c0)={&(0x7f0000000080)={0x10, 0x0, 0x0, 0x8}, 0xc, &(0x7f0000000180)={&(0x7f0000000100)={0x38, r5, 0x10, 0x70bd28, 0x25dfdbfb, {}, [@NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x7}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0xfffffffffffffff8}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x10000}]}, 0x38}, 0x1, 0x0, 0x0, 0x24040000}, 0x4010081) ioctl$NBD_CLEAR_SOCK(r2, 0xab04) ioctl$NBD_SET_SOCK(r0, 0xab03, 0xffffffffffffffff) [ 1927.414032] block nbd0: shutting down sockets [ 1927.450770] block nbd0: shutting down sockets [ 1927.469680] block nbd4: shutting down sockets [ 1927.481519] block nbd4: shutting down sockets 22:52:30 executing program 4: r0 = syz_open_dev$ndb(&(0x7f0000000000)='/dev/nbd#\x00', 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = syz_open_dev$ndb(&(0x7f0000000140)='/dev/nbd#\x00', 0x0, 0x0) ioctl$NBD_CLEAR_SOCK(r2, 0xab04) ioctl$NBD_SET_SOCK(r0, 0xab03, 0xffffffffffffffff) ioctl$NBD_SET_FLAGS(r2, 0xab0a, 0x1) 22:52:30 executing program 0: r0 = syz_open_dev$ndb(&(0x7f0000000000)='/dev/nbd#\x00', 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = syz_open_dev$ndb(&(0x7f0000000140)='/dev/nbd#\x00', 0x0, 0x8400) ioctl$NBD_CLEAR_SOCK(r2, 0xab04) ioctl$NBD_SET_SOCK(r0, 0xab03, 0xffffffffffffffff) r3 = socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NLBL_MGMT_C_REMOVEDEF(r3, &(0x7f0000000180)={&(0x7f0000000080)={0x10, 0x0, 0x0, 0x40}, 0xc, &(0x7f0000000100)={&(0x7f00000000c0)={0x24, 0x0, 0x300, 0x70bd2a, 0x25dfdbff, {}, [@NLBL_MGMT_A_CLPDOI={0x8, 0xc, 0x2}, @NLBL_MGMT_A_IPV4MASK={0x8, 0x8, @empty}]}, 0x24}, 0x1, 0x0, 0x0, 0x40800}, 0x4800) r4 = openat$dlm_control(0xffffffffffffff9c, &(0x7f0000000000)='/dev/dlm-control\x00', 0x0, 0x0) ioctl$SNDRV_PCM_IOCTL_XRUN(r4, 0x4148, 0x0) openat$cgroup_devices(r4, &(0x7f00000001c0)='devices.allow\x00', 0x2, 0x0) [ 1927.501161] block nbd2: shutting down sockets [ 1927.539667] block nbd4: shutting down sockets [ 1927.545908] block nbd2: shutting down sockets [ 1927.562695] block nbd0: shutting down sockets [ 1927.577349] block nbd4: shutting down sockets [ 1927.601116] block nbd0: shutting down sockets [ 1927.634860] block nbd0: Could not allocate knbd recv work queue. [ 1928.023633] block nbd1: Receive control failed (result -104) [ 1928.075481] block nbd3: Receive control failed (result -32) [ 1928.075777] block nbd3: shutting down sockets [ 1928.257493] block nbd5: Receive control failed (result -32) [ 1928.257614] block nbd5: shutting down sockets [ 1932.426222] block nbd1: Connection timed out [ 1932.430760] block nbd1: shutting down sockets [ 1932.436185] print_req_error: 106 callbacks suppressed [ 1932.436193] print_req_error: I/O error, dev nbd1, sector 0 [ 1932.447461] buffer_io_error: 122 callbacks suppressed [ 1932.447468] Buffer I/O error on dev nbd1, logical block 0, async page read [ 1932.459891] block nbd1: Connection timed out [ 1932.464346] print_req_error: I/O error, dev nbd1, sector 2 [ 1932.470113] Buffer I/O error on dev nbd1, logical block 1, async page read [ 1932.477346] block nbd1: Connection timed out [ 1932.481775] print_req_error: I/O error, dev nbd1, sector 4 [ 1932.487861] Buffer I/O error on dev nbd1, logical block 2, async page read [ 1932.494958] block nbd1: Connection timed out [ 1932.499592] print_req_error: I/O error, dev nbd1, sector 6 [ 1932.505256] Buffer I/O error on dev nbd1, logical block 3, async page read [ 1932.512993] print_req_error: I/O error, dev nbd1, sector 0 [ 1932.518774] Buffer I/O error on dev nbd1, logical block 0, async page read [ 1932.525918] Buffer I/O error on dev nbd1, logical block 1, async page read [ 1932.533137] Buffer I/O error on dev nbd1, logical block 2, async page read [ 1932.540280] Buffer I/O error on dev nbd1, logical block 3, async page read [ 1932.548452] print_req_error: I/O error, dev nbd1, sector 0 [ 1932.554185] Buffer I/O error on dev nbd1, logical block 0, async page read [ 1932.561418] Buffer I/O error on dev nbd1, logical block 1, async page read [ 1932.568682] print_req_error: I/O error, dev nbd1, sector 0 [ 1932.575224] print_req_error: I/O error, dev nbd1, sector 2 [ 1932.581134] print_req_error: I/O error, dev nbd1, sector 4 [ 1932.587328] print_req_error: I/O error, dev nbd1, sector 0 [ 1932.593779] ldm_validate_partition_table(): Disk read failed. [ 1932.601458] Dev nbd1: unable to read RDB block 0 [ 1932.607386] nbd1: unable to read partition table [ 1932.616717] nbd1: detected capacity change from 0 to 4194304 22:52:35 executing program 1: r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x182000) ioctl$NBD_SET_SIZE_BLOCKS(r0, 0xab07, 0x1000) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000000)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) ioctl$NBD_SET_TIMEOUT(0xffffffffffffffff, 0xab09, 0x5) ioctl$NBD_CLEAR_SOCK(0xffffffffffffffff, 0xab04) ioctl$NBD_SET_SOCK(r0, 0xab03, 0xffffffffffffffff) 22:52:35 executing program 2: r0 = syz_open_dev$ndb(&(0x7f0000000000)='/dev/nbd#\x00', 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = openat$dlm_control(0xffffffffffffff9c, &(0x7f0000000000)='/dev/dlm-control\x00', 0x0, 0x0) ioctl$SNDRV_PCM_IOCTL_XRUN(r2, 0x4148, 0x0) ioctl$NBD_SET_FLAGS(r2, 0xab0a, 0x99f) r3 = openat$dlm_control(0xffffffffffffff9c, &(0x7f0000000240)='/dev/dlm-control\x00', 0x2000, 0x0) r4 = socket$nl_generic(0x10, 0x3, 0x10) getsockname$packet(0xffffffffffffffff, &(0x7f0000000680)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @link_local}, &(0x7f00000006c0)=0x14) r6 = syz_mount_image$ubifs(&(0x7f0000000600)='ubifs\x00', &(0x7f0000000640)='./file0\x00', 0x8000, 0x6, &(0x7f0000000d40)=[{&(0x7f0000000900)="9b79e4d19d699f4345a2ab426cbebb687378368ce0363b97bb792476f8ba31f268b9c3be83a624a197530933a8944faba5c25517e7966f107c4ca0cb56aef0dd8a96de26440cffeb0cda212fb135daca7d83105a373fbe7554caa2772aa4c38b02e6b7f47478823980010f69e3414e1557d2fd93fd259a7f50ffb7c50fa4bc106a10e2a563a936963ff263a781b80a67383cd60bc61a6ba44ea4ab7efadf1bff3b917e64b0e1ec1b0ca49a6a7e0d6ed770e069a1a415253e5995a45fb350e608771a2c4f872787179b1bf6e8697b7b65231a1779d891758901", 0xd9, 0x10001}, {&(0x7f0000000a00)="5d7043cc1dcf63bc", 0x8}, {&(0x7f0000000a40)="ac7fac6e7eaf1d46601c2dea57453a19e7f82f9b61838bdcabecb88a6fd417cbac5acfec15ff318f9d", 0x29, 0x7}, {&(0x7f0000000a80)="1e5574da961b6f35368c129eca1abcb087c889e54135f561e788f031e13a9c50a61b9eeee978f67ef84f385558d41054443c83146848b472990aa2655348c8768a0d4bc58af4897069ba266c05f84879cf2c05790c05de0501179f2f28e9962881bdfdbeeb8408283308e3bdcebee40473f019960d03a76343b335358addc3a5b90f7b36c569f4bf322e72be63cf85553df9ae6aa3a1b32412279263ac0ec9ab23589afa432e158a7e252b5d0bfaf9d79182590ed551cf1b2aae7bfbac78628a6081e793dfdff9f660", 0xc9, 0x93a}, {&(0x7f0000000b80)="30f6a8da1ad19c6d5f2262d3e8db0502bfb19075892e3d56cbd1d9d8b3dee8e084a656114789a19d08d44759485793b3b5994158333bc97f597b70f5e5fb52fb140da60d746107de57c4b207f84daf7394f0c550fa92c69c55f65e568c82d0a8bfc72749602aa810835f31708a3816daecb4ac8e561edb766121bcbc40ac17ed810021b00294e0b2e19df861013c8dafac9eae9d320f35bf347ed38f587d99a5942efb0054c9fe5f91adac487be399352696f90f828572646b10555b47b61347bb", 0xc1, 0x7ff}, {&(0x7f0000000c80)="eed16b0d326d27ecdc21b5337c0ad3b2c2669ca9b756c095c27f14424335d01a1b640aba37e503456c91c27fd130340614b09f606c4702fe842d9ea1dedbf88a3ecd2fb27595a31c12b57fb43c1a7bcdf9d2b3527ca917e5efea0a2d8ef0a7b2d951f2df2e70070cbdf12d3e710a1984396a7460d06b442b22433a0b6f693be86e16", 0x82, 0x80000001f}], 0x2100062, &(0x7f0000000e00)={[{@compr_zstd='compr=zstd'}, {@auth_hash_name={'auth_hash_name', 0x3d, 'sha1'}}], [{@fowner_lt={'fowner<', 0xee01}}]}) ioctl$BTRFS_IOC_GET_DEV_STATS(r6, 0xc4089434, &(0x7f0000000e40)={0x0, 0x2, 0x1, [0x7, 0x1, 0x57bea3f1, 0x7fff, 0x784], [0x0, 0x3, 0x3, 0x35, 0x8, 0x8000, 0x7, 0x200000, 0x0, 0x738, 0x7, 0x1f, 0x1, 0x100000001, 0x885, 0x7ff, 0x100000001, 0x1d, 0x10000000, 0x0, 0x7, 0x0, 0x8, 0x6, 0xacf, 0x3f817b1c, 0xfffffffffffffff8, 0x1ff, 0x1f, 0x3ff800, 0x8, 0x7f, 0xfff, 0x3, 0x7fffffff, 0x1, 0x7097f4e3, 0x0, 0x7, 0x7, 0x7, 0xfffffffffffffffc, 0xd25c, 0x7, 0x6, 0xfffffffffffff3cd, 0x5918f030, 0xaa, 0xfffffffffffffffc, 0x0, 0x7fff, 0xffff, 0x6, 0x69b9644f, 0x0, 0xaa4, 0x9, 0x3, 0x8, 0x4, 0x6, 0x1, 0x8, 0xd0b6, 0xffffffff, 0x9, 0x4, 0x5f, 0x76702a32, 0x2, 0x9, 0x7, 0x6b, 0x4, 0x7f, 0x512, 0x10000, 0x0, 0xfa, 0x100000001, 0x8001, 0x707, 0x8100000, 0x65d9, 0xfff, 0x7, 0xa4, 0x1000, 0xc22, 0x3, 0x9a3c, 0xfffffffffffffff9, 0x7fff, 0xffffffff, 0x1000, 0x7, 0x4, 0x101, 0x1, 0x74, 0x200, 0x2, 0x4, 0x3, 0x7fffffff, 0x600000000000000, 0xfffffffffffff000, 0x2, 0x400, 0x49, 0xffffffffffffffff, 0x7f, 0xffff, 0xfffffffffffffff8, 0x8000, 0x4, 0x8, 0x3906, 0x5, 0x2, 0xce2]}) sendmsg$MPTCP_PM_CMD_ADD_ADDR(r4, &(0x7f0000000840)={&(0x7f0000000500), 0xc, &(0x7f0000000800)={&(0x7f0000000700)={0xd8, 0x0, 0x1, 0x70bd2c, 0x25dfdbfb, {}, [@MPTCP_PM_ATTR_ADDR={0x20, 0x1, 0x0, 0x1, [@MPTCP_PM_ADDR_ATTR_ADDR6={0x14, 0x4, @loopback}, @MPTCP_PM_ADDR_ATTR_ADDR4={0x8, 0x3, @multicast2}]}, @MPTCP_PM_ATTR_RCV_ADD_ADDRS={0x8, 0x2, 0x1}, @MPTCP_PM_ATTR_RCV_ADD_ADDRS={0x8, 0x2, 0x7}, @MPTCP_PM_ATTR_ADDR={0x54, 0x1, 0x0, 0x1, [@MPTCP_PM_ADDR_ATTR_ADDR6={0x14, 0x4, @ipv4={[], [], @remote}}, @MPTCP_PM_ADDR_ATTR_ADDR4={0x8, 0x3, @broadcast}, @MPTCP_PM_ADDR_ATTR_IF_IDX={0x8, 0x7, r5}, @MPTCP_PM_ADDR_ATTR_ADDR6={0x14, 0x4, @private2={0xfc, 0x2, [], 0x1}}, @MPTCP_PM_ADDR_ATTR_FAMILY={0x6, 0x1, 0x2}, @MPTCP_PM_ADDR_ATTR_FLAGS={0x8, 0x6, 0x2}, @MPTCP_PM_ADDR_ATTR_ADDR4={0x8, 0x3, @multicast2}]}, @MPTCP_PM_ATTR_SUBFLOWS={0x8, 0x3, 0x3}, @MPTCP_PM_ATTR_SUBFLOWS={0x8, 0x3, 0x3}, @MPTCP_PM_ATTR_ADDR={0x24, 0x1, 0x0, 0x1, [@MPTCP_PM_ADDR_ATTR_FAMILY={0x6, 0x1, 0x2}, @MPTCP_PM_ADDR_ATTR_ADDR4={0x8, 0x3, @loopback}, @MPTCP_PM_ADDR_ATTR_IF_IDX={0x8}, @MPTCP_PM_ADDR_ATTR_FAMILY={0x6, 0x1, 0x2}]}, @MPTCP_PM_ATTR_RCV_ADD_ADDRS={0x8, 0x2, 0x7}, @MPTCP_PM_ATTR_ADDR={0x4}]}, 0xd8}, 0x1, 0x0, 0x0, 0x8803}, 0x20040044) ioctl$NBD_SET_SIZE_BLOCKS(r3, 0xab07, 0x1) sendmsg$NBD_CMD_STATUS(0xffffffffffffffff, &(0x7f0000000100)={&(0x7f0000000080)={0x10, 0x0, 0x0, 0x20000000}, 0xc, &(0x7f00000000c0)={&(0x7f0000000180)={0x88, 0x0, 0x400, 0x70bd29, 0x25dfdbff, {}, [@NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8, 0x1, r1}, {0x8, 0x1, r1}]}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x4}, @NBD_ATTR_SOCKETS={0x24, 0x7, 0x0, 0x1, [{0x8, 0x1, r1}, {0x8}, {0x8, 0x1, r1}, {0x8, 0x1, r2}]}, @NBD_ATTR_CLIENT_FLAGS={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x1000}, @NBD_ATTR_SERVER_FLAGS={0xc}]}, 0x88}, 0x1, 0x0, 0x0, 0x24000800}, 0x840) r7 = syz_open_dev$ndb(&(0x7f0000000140)='/dev/nbd#\x00', 0x0, 0x80002) syz_mount_image$pvfs2(&(0x7f0000000280)='pvfs2\x00', &(0x7f00000002c0)='./file0\x00', 0x5, 0x4, &(0x7f0000000580)=[{&(0x7f0000000300)="7f97b9ae74805e482715c5201a58f2c72e34e2be7ceb8b9cf5e268e285719c165571268f63d85aaa98070671b5a40a97162ecd433158f073c4df71eb70921d6eb2388de082c87ce31fb3a74191bd00df49ba1b57622c26a67ac2f4ac9ff48bf9e31deb4c28d425b7ad3fee1d5a7fdce242507677fa44b5482bd97a95f13d9bead119d5a656ac7f54545fdeee454fe7ca15c31e5ff8428b1d0d6043d1a6b9cef4adfdfabccd7955e28e726064f35b0457b7cb5cf815bafb77d6c59b97a89065554effd3af8935ce9a3f511396e2c35ac7eff17b63c8ebad5a01f38e0d03", 0xdd, 0x61e4adc6}, {&(0x7f0000000400)="76dd77c5490e5939518d96d0672bd026a6a68552d1af48ab95a42383a9c4304813b9124d8c3c4da63a42fcebb0265eb48fece0845d8e73e7f12005c1da84271170e4e8712ed8e1ce19bdedd4d3f719ae1feac144333546e96f9e0298d2b3d2bc2730dfd032f63e72097eb65fe0cf34c38b33b7858620234bbd992d4501d9d157bfb1f8c8546637c1ca00cead33c8a906df50829a6a1501ca56260388eb1f736df074c96ca5e6fc0dc922388025f25beb2a9cbd6755efce7b894891a9726e6360de8577d7330ffc41b6fbb505525bcdd7c0", 0xd1, 0x100}, {&(0x7f0000000500), 0x0, 0x4}, {&(0x7f0000000540)="9e18fbd7813b63ef7160443924d221be99d2cba2f5e4f6965337fbc7a6947f2f32061a", 0x23, 0x99c8}], 0x204000, &(0x7f0000000880)=ANY=[@ANYBLOB="2444e80000000000006465762f646c6d2d636f6e74726f6c002c2826272c61756469742c702c74e363723030303033316465663d275c23252c0000000000009278c501e7550b00"/93]) ioctl$SNDCTL_TMR_STOP(r3, 0x5403) ioctl$NBD_CLEAR_SOCK(r7, 0xab04) ioctl$NBD_SET_SOCK(r0, 0xab03, 0xffffffffffffffff) ioctl$SNDCTL_SYNTH_INFO(0xffffffffffffffff, 0xc08c5102, &(0x7f0000001280)={"97bb6454d86f572f72b1f9a4bd2d93fa30164d61251fd25efacc6ad92d36", 0x401, 0x2, 0x401, 0x0, 0x8, 0x80000001, 0x40, 0x6, [0x2, 0x3, 0x3, 0x16, 0x100000, 0x17, 0x8, 0x7fff, 0xfffffff8, 0xcaf, 0x0, 0x9, 0x101, 0xa9bc73c, 0x583, 0x3ff, 0x1, 0x59bd, 0x10000]}) 22:52:35 executing program 4: r0 = syz_open_dev$ndb(&(0x7f0000000000)='/dev/nbd#\x00', 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = syz_open_dev$ndb(&(0x7f0000000140)='/dev/nbd#\x00', 0x0, 0x0) ioctl$NBD_CLEAR_SOCK(r2, 0xab04) ioctl$NBD_SET_SOCK(r0, 0xab03, 0xffffffffffffffff) r3 = socket$nl_generic(0x10, 0x3, 0x10) r4 = syz_genetlink_get_family_id$netlbl_mgmt(&(0x7f00000000c0)='NLBL_MGMT\x00') sendmsg$NLBL_MGMT_C_LISTDEF(r3, &(0x7f0000000200)={&(0x7f0000000080)={0x10, 0x0, 0x0, 0x20000000}, 0xc, &(0x7f0000000100)={&(0x7f0000000180)={0x4c, r4, 0x100, 0x70bd2d, 0x25dfdbfb, {}, [@NLBL_MGMT_A_IPV6ADDR={0x14, 0x5, @mcast2}, @NLBL_MGMT_A_FAMILY={0x6, 0xb, 0x15}, @NLBL_MGMT_A_IPV6MASK={0x14, 0x6, @loopback}, @NLBL_MGMT_A_IPV4MASK={0x8, 0x8, @multicast1}]}, 0x4c}, 0x1, 0x0, 0x0, 0x20040000}, 0x40) 22:52:35 executing program 0: r0 = syz_open_dev$ndb(&(0x7f0000000000)='/dev/nbd#\x00', 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) ioctl$NBD_SET_SIZE(r0, 0xab02, 0x3ca3925a) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = syz_open_dev$ndb(&(0x7f0000000140)='/dev/nbd#\x00', 0x0, 0x8400) ioctl$NBD_CLEAR_SOCK(r2, 0xab04) ioctl$NBD_SET_SOCK(r0, 0xab03, 0xffffffffffffffff) 22:52:35 executing program 3: r0 = syz_open_dev$ndb(&(0x7f0000000000)='/dev/nbd#\x00', 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)) ioctl$NBD_SET_TIMEOUT(r0, 0xab09, 0x6) r1 = syz_open_dev$ndb(&(0x7f0000000140)='/dev/nbd#\x00', 0x0, 0x0) ioctl$NBD_CLEAR_SOCK(r1, 0xab04) ioctl$NBD_SET_SOCK(r0, 0xab03, 0xffffffffffffffff) 22:52:35 executing program 5: r0 = syz_open_dev$ndb(&(0x7f0000000000)='/dev/nbd#\x00', 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) ioctl$NBD_SET_TIMEOUT(r0, 0xab09, 0x6) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) ioctl$NBD_CLEAR_SOCK(0xffffffffffffffff, 0xab04) ioctl$NBD_SET_SOCK(r0, 0xab03, 0xffffffffffffffff) [ 1932.625783] ldm_validate_partition_table(): Disk read failed. [ 1932.633383] Dev nbd1: unable to read RDB block 0 [ 1932.650612] nbd1: unable to read partition table [ 1932.668179] ldm_validate_partition_table(): Disk read failed. 22:52:35 executing program 3: r0 = syz_open_dev$ndb(&(0x7f0000000000)='/dev/nbd#\x00', 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)) ioctl$NBD_SET_TIMEOUT(r0, 0xab09, 0x6) r1 = syz_open_dev$ndb(&(0x7f0000000140)='/dev/nbd#\x00', 0x0, 0x0) ioctl$NBD_CLEAR_SOCK(r1, 0xab04) ioctl$NBD_SET_SOCK(r0, 0xab03, 0xffffffffffffffff) [ 1932.682257] Dev nbd1: unable to read RDB block 0 [ 1932.692984] block nbd4: shutting down sockets [ 1932.705723] nbd1: unable to read partition table [ 1932.717907] block nbd0: shutting down sockets [ 1932.750479] block nbd0: shutting down sockets [ 1932.761543] block nbd4: shutting down sockets 22:52:35 executing program 1: r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x182000) ioctl$NBD_SET_SIZE_BLOCKS(r0, 0xab07, 0x1000) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000000)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) ioctl$NBD_SET_TIMEOUT(0xffffffffffffffff, 0xab09, 0x5) ioctl$NBD_CLEAR_SOCK(0xffffffffffffffff, 0xab04) ioctl$NBD_SET_SOCK(r0, 0xab03, 0xffffffffffffffff) 22:52:35 executing program 0: r0 = syz_open_dev$ndb(&(0x7f0000000000)='/dev/nbd#\x00', 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = syz_open_dev$sndpcmp(&(0x7f0000000080)='/dev/snd/pcmC#D#p\x00', 0x5, 0x2000) ioctl$SNDRV_PCM_IOCTL_RESET(r2, 0x4141, 0x0) r3 = syz_open_dev$ndb(&(0x7f0000000140)='/dev/nbd#\x00', 0x0, 0x8400) ioctl$NBD_CLEAR_SOCK(r3, 0xab04) r4 = openat$dlm_control(0xffffffffffffff9c, &(0x7f0000000000)='/dev/dlm-control\x00', 0x0, 0x0) ioctl$SNDRV_PCM_IOCTL_XRUN(r4, 0x4148, 0x0) ioctl$ION_IOC_ALLOC(r4, 0xc0184900, &(0x7f00000000c0)={0x1ff, 0x2, 0x1}) ioctl$SNDRV_PCM_IOCTL_STATUS64(r4, 0x80984120, &(0x7f0000000180)) ioctl$NBD_SET_SOCK(r0, 0xab03, 0xffffffffffffffff) 22:52:35 executing program 4: r0 = syz_open_dev$ndb(&(0x7f0000000000)='/dev/nbd#\x00', 0x0, 0x220002) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) ioctl$SOUND_MIXER_INFO(0xffffffffffffffff, 0x805c4d65, &(0x7f0000000080)) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) ioctl$NBD_CLEAR_SOCK(0xffffffffffffffff, 0xab04) ioctl$NBD_SET_SOCK(r0, 0xab03, 0xffffffffffffffff) 22:52:35 executing program 3: r0 = syz_open_dev$ndb(&(0x7f0000000000)='/dev/nbd#\x00', 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)) ioctl$NBD_SET_TIMEOUT(r0, 0xab09, 0x6) r1 = syz_open_dev$ndb(&(0x7f0000000140)='/dev/nbd#\x00', 0x0, 0x0) ioctl$NBD_CLEAR_SOCK(r1, 0xab04) ioctl$NBD_SET_SOCK(r0, 0xab03, 0xffffffffffffffff) [ 1932.850282] block nbd2: shutting down sockets 22:52:35 executing program 3: r0 = syz_open_dev$ndb(&(0x7f0000000000)='/dev/nbd#\x00', 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = syz_open_dev$ndb(&(0x7f0000000140)='/dev/nbd#\x00', 0x0, 0x0) ioctl$NBD_CLEAR_SOCK(r2, 0xab04) ioctl$NBD_SET_SOCK(r0, 0xab03, 0xffffffffffffffff) [ 1932.905129] block nbd0: shutting down sockets 22:52:35 executing program 4: r0 = syz_open_dev$ndb(&(0x7f0000000000)='/dev/nbd#\x00', 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = syz_genetlink_get_family_id$nbd(&(0x7f00000000c0)='nbd\x00') sendmsg$NBD_CMD_STATUS(0xffffffffffffffff, &(0x7f00000001c0)={&(0x7f0000000080)={0x10, 0x0, 0x0, 0x10}, 0xc, &(0x7f0000000180)={&(0x7f0000000100)={0x20, r2, 0x10, 0x70bd2b, 0x25dfdbfe, {}, [@NBD_ATTR_TIMEOUT={0xc, 0x4, 0xff}]}, 0x20}, 0x1, 0x0, 0x0, 0x20004090}, 0x40088d1) r3 = syz_open_dev$ndb(&(0x7f0000000140)='/dev/nbd#\x00', 0x0, 0x0) ioctl$SOUND_MIXER_WRITE_RECSRC(0xffffffffffffffff, 0xc0044dff, &(0x7f0000000200)=0x4) ioctl$NBD_CLEAR_SOCK(r3, 0xab04) ioctl$NBD_SET_SOCK(r0, 0xab03, 0xffffffffffffffff) [ 1932.954867] block nbd0: shutting down sockets [ 1932.985912] block nbd3: shutting down sockets [ 1933.045314] block nbd4: shutting down sockets [ 1933.085387] block nbd4: shutting down sockets [ 1933.525752] block nbd5: Receive control failed (result -32) [ 1933.531632] block nbd5: shutting down sockets [ 1933.547661] block nbd2: shutting down sockets [ 1933.555616] orangefs_mount: mount request failed with -4 22:52:36 executing program 2: r0 = syz_open_dev$ndb(&(0x7f0000000000)='/dev/nbd#\x00', 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = syz_open_dev$ndb(&(0x7f0000000140)='/dev/nbd#\x00', 0x0, 0x420000) ioctl$NBD_CLEAR_SOCK(r2, 0xab04) ioctl$NBD_SET_SOCK(r0, 0xab03, 0xffffffffffffffff) 22:52:36 executing program 0: r0 = syz_open_dev$ndb(&(0x7f0000000000)='/dev/nbd#\x00', 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = syz_open_dev$ndb(&(0x7f0000000140)='/dev/nbd#\x00', 0x0, 0x8400) r3 = openat$dlm_control(0xffffffffffffff9c, &(0x7f0000000000)='/dev/dlm-control\x00', 0x0, 0x0) ioctl$SNDRV_PCM_IOCTL_XRUN(r3, 0x4148, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, r3) ioctl$NBD_CLEAR_SOCK(r2, 0xab04) ioctl$NBD_SET_SOCK(r0, 0xab03, 0xffffffffffffffff) 22:52:36 executing program 3: r0 = syz_open_dev$ndb(&(0x7f0000000000)='/dev/nbd#\x00', 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = syz_open_dev$ndb(&(0x7f0000000140)='/dev/nbd#\x00', 0x0, 0x0) ioctl$NBD_CLEAR_SOCK(r2, 0xab04) ioctl$NBD_SET_SOCK(r0, 0xab03, 0xffffffffffffffff) 22:52:36 executing program 4: socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(0xffffffffffffffff, 0xab00, r0) r1 = syz_open_dev$ndb(&(0x7f0000000140)='/dev/nbd#\x00', 0x0, 0x0) ioctl$NBD_CLEAR_SOCK(r1, 0xab04) ioctl$NBD_SET_SOCK(0xffffffffffffffff, 0xab03, 0xffffffffffffffff) 22:52:36 executing program 5: r0 = syz_open_dev$ndb(&(0x7f0000000000)='/dev/nbd#\x00', 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) ioctl$NBD_SET_TIMEOUT(r0, 0xab09, 0x6) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) ioctl$NBD_SET_SOCK(r0, 0xab03, 0xffffffffffffffff) [ 1933.645640] block nbd0: shutting down sockets [ 1933.652992] block nbd3: shutting down sockets 22:52:36 executing program 3: r0 = syz_open_dev$ndb(&(0x7f0000000000)='/dev/nbd#\x00', 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = syz_open_dev$ndb(&(0x7f0000000140)='/dev/nbd#\x00', 0x0, 0x0) ioctl$NBD_CLEAR_SOCK(r2, 0xab04) ioctl$NBD_SET_SOCK(r0, 0xab03, 0xffffffffffffffff) [ 1933.692543] block nbd0: shutting down sockets [ 1933.704753] block nbd1: Receive control failed (result -104) [ 1933.704938] block nbd1: shutting down sockets [ 1933.753463] block nbd3: shutting down sockets [ 1934.467007] block nbd5: Receive control failed (result -32) [ 1934.467429] block nbd5: shutting down sockets [ 1934.480641] block nbd2: Receive control failed (result -32) [ 1934.486921] block nbd2: shutting down sockets [ 1934.494752] block nbd2: shutting down sockets [ 1938.186370] block nbd1: Connection timed out [ 1938.190826] print_req_error: 173 callbacks suppressed [ 1938.190832] print_req_error: I/O error, dev nbd1, sector 0 [ 1938.201837] buffer_io_error: 182 callbacks suppressed [ 1938.201847] Buffer I/O error on dev nbd1, logical block 0, async page read [ 1938.214306] block nbd1: Connection timed out [ 1938.218980] print_req_error: I/O error, dev nbd1, sector 2 [ 1938.224821] Buffer I/O error on dev nbd1, logical block 1, async page read [ 1938.231981] block nbd1: Connection timed out [ 1938.236538] print_req_error: I/O error, dev nbd1, sector 4 [ 1938.242186] Buffer I/O error on dev nbd1, logical block 2, async page read [ 1938.251049] block nbd1: Connection timed out [ 1938.255492] print_req_error: I/O error, dev nbd1, sector 6 [ 1938.261291] Buffer I/O error on dev nbd1, logical block 3, async page read [ 1938.269168] print_req_error: I/O error, dev nbd1, sector 0 [ 1938.274809] Buffer I/O error on dev nbd1, logical block 0, async page read [ 1938.281968] Buffer I/O error on dev nbd1, logical block 1, async page read [ 1938.289091] Buffer I/O error on dev nbd1, logical block 2, async page read [ 1938.296638] Buffer I/O error on dev nbd1, logical block 3, async page read [ 1938.303840] print_req_error: I/O error, dev nbd1, sector 0 [ 1938.303855] Buffer I/O error on dev nbd1, logical block 0, async page read [ 1938.317049] print_req_error: I/O error, dev nbd1, sector 2 [ 1938.323038] Buffer I/O error on dev nbd1, logical block 1, async page read [ 1938.330419] print_req_error: I/O error, dev nbd1, sector 0 [ 1938.336388] print_req_error: I/O error, dev nbd1, sector 2 [ 1938.342840] print_req_error: I/O error, dev nbd1, sector 0 [ 1938.349910] ldm_validate_partition_table(): Disk read failed. [ 1938.357258] Dev nbd1: unable to read RDB block 0 [ 1938.362775] nbd1: unable to read partition table [ 1938.370878] nbd1: detected capacity change from 0 to 4194304 [ 1938.380031] ldm_validate_partition_table(): Disk read failed. 22:52:40 executing program 1: r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x182000) ioctl$NBD_SET_SIZE_BLOCKS(r0, 0xab07, 0x1000) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000000)) r1 = syz_open_dev$ndb(&(0x7f0000000140)='/dev/nbd#\x00', 0x0, 0x8400) ioctl$NBD_SET_TIMEOUT(r1, 0xab09, 0x5) ioctl$NBD_CLEAR_SOCK(r1, 0xab04) ioctl$NBD_SET_SOCK(r0, 0xab03, 0xffffffffffffffff) 22:52:40 executing program 4: r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = syz_open_dev$ndb(&(0x7f0000000140)='/dev/nbd#\x00', 0x0, 0x0) ioctl$NBD_CLEAR_SOCK(r2, 0xab04) ioctl$NBD_SET_SOCK(r0, 0xab03, 0xffffffffffffffff) 22:52:40 executing program 0: r0 = syz_open_dev$ndb(&(0x7f0000000000)='/dev/nbd#\x00', 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) ioctl$SNDRV_PCM_IOCTL_FORWARD(0xffffffffffffffff, 0x40084149, &(0x7f0000000080)) r2 = syz_open_dev$ndb(&(0x7f0000000140)='/dev/nbd#\x00', 0x0, 0x8400) ioctl$NBD_CLEAR_SOCK(r2, 0xab04) ioctl$NBD_SET_SOCK(r0, 0xab03, 0xffffffffffffffff) 22:52:40 executing program 3: r0 = syz_open_dev$ndb(&(0x7f0000000000)='/dev/nbd#\x00', 0x0, 0x0) ioctl$NBD_SET_TIMEOUT(r0, 0xab09, 0x6) ioctl$NBD_SET_SOCK(r0, 0xab00, 0xffffffffffffffff) r1 = syz_open_dev$ndb(&(0x7f0000000140)='/dev/nbd#\x00', 0x0, 0x0) ioctl$NBD_CLEAR_SOCK(r1, 0xab04) ioctl$NBD_SET_SOCK(r0, 0xab03, 0xffffffffffffffff) 22:52:40 executing program 5: r0 = syz_open_dev$ndb(&(0x7f0000000000)='/dev/nbd#\x00', 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)) ioctl$NBD_SET_TIMEOUT(r0, 0xab09, 0x6) ioctl$NBD_SET_SOCK(r0, 0xab03, 0xffffffffffffffff) 22:52:40 executing program 2: r0 = syz_open_dev$ndb(&(0x7f0000000000)='/dev/nbd#\x00', 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) ioctl$NBD_SET_SIZE_BLOCKS(r0, 0xab07, 0x7ff) r2 = syz_open_dev$ndb(&(0x7f0000000140)='/dev/nbd#\x00', 0x0, 0x0) ioctl$NBD_CLEAR_SOCK(r2, 0xab04) ioctl$NBD_SET_SOCK(r0, 0xab03, 0xffffffffffffffff) [ 1938.387615] Dev nbd1: unable to read RDB block 0 [ 1938.395914] nbd1: unable to read partition table [ 1938.433487] block nbd0: shutting down sockets [ 1938.441618] block nbd4: shutting down sockets 22:52:41 executing program 3: r0 = syz_open_dev$ndb(&(0x7f0000000000)='/dev/nbd#\x00', 0x0, 0x0) ioctl$NBD_SET_TIMEOUT(r0, 0xab09, 0x6) ioctl$NBD_SET_SOCK(r0, 0xab00, 0xffffffffffffffff) r1 = syz_open_dev$ndb(&(0x7f0000000140)='/dev/nbd#\x00', 0x0, 0x0) ioctl$NBD_CLEAR_SOCK(r1, 0xab04) ioctl$NBD_SET_SOCK(r0, 0xab03, 0xffffffffffffffff) [ 1938.493759] block nbd2: shutting down sockets 22:52:41 executing program 1: r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x182000) ioctl$NBD_SET_SIZE_BLOCKS(r0, 0xab07, 0x1000) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000000)) r1 = syz_open_dev$ndb(&(0x7f0000000140)='/dev/nbd#\x00', 0x0, 0x8400) ioctl$NBD_SET_TIMEOUT(r1, 0xab09, 0x5) ioctl$NBD_CLEAR_SOCK(r1, 0xab04) ioctl$NBD_SET_SOCK(r0, 0xab03, 0xffffffffffffffff) 22:52:41 executing program 5: r0 = syz_open_dev$ndb(&(0x7f0000000000)='/dev/nbd#\x00', 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)) ioctl$NBD_SET_TIMEOUT(r0, 0xab09, 0x6) ioctl$NBD_SET_SOCK(r0, 0xab03, 0xffffffffffffffff) 22:52:41 executing program 3: r0 = syz_open_dev$ndb(&(0x7f0000000000)='/dev/nbd#\x00', 0x0, 0x0) ioctl$NBD_SET_TIMEOUT(r0, 0xab09, 0x6) ioctl$NBD_SET_SOCK(r0, 0xab00, 0xffffffffffffffff) r1 = syz_open_dev$ndb(&(0x7f0000000140)='/dev/nbd#\x00', 0x0, 0x0) ioctl$NBD_CLEAR_SOCK(r1, 0xab04) ioctl$NBD_SET_SOCK(r0, 0xab03, 0xffffffffffffffff) [ 1938.526615] block nbd2: shutting down sockets [ 1938.532675] block nbd4: shutting down sockets 22:52:41 executing program 2: r0 = syz_open_dev$ndb(&(0x7f0000000000)='/dev/nbd#\x00', 0x0, 0x0) ioctl$NBD_SET_SIZE(r0, 0xab02, 0xfffffffffffffffe) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = syz_open_dev$ndb(&(0x7f0000000140)='/dev/nbd#\x00', 0x0, 0x0) ioctl$NBD_CLEAR_SOCK(r2, 0xab04) ioctl$NBD_SET_SOCK(r0, 0xab03, 0xffffffffffffffff) 22:52:41 executing program 0: r0 = syz_open_dev$ndb(&(0x7f0000000000)='/dev/nbd#\x00', 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = syz_open_dev$ndb(&(0x7f0000000140)='/dev/nbd#\x00', 0x0, 0x8400) ioctl$NBD_CLEAR_SOCK(r2, 0xab04) ioctl$NBD_SET_SOCK(r0, 0xab03, 0xffffffffffffffff) r3 = openat$dlm_control(0xffffffffffffff9c, &(0x7f0000000000)='/dev/dlm-control\x00', 0x0, 0x0) r4 = syz_open_dev$sndpcmp(&(0x7f0000000080)='/dev/snd/pcmC#D#p\x00', 0x101, 0x10300) ioctl$SNDRV_PCM_IOCTL_XRUN(r4, 0x4148, 0x0) r5 = openat$dlm_control(0xffffffffffffff9c, &(0x7f0000000000)='/dev/dlm-control\x00', 0x0, 0x0) ioctl$SNDRV_PCM_IOCTL_XRUN(r5, 0x4148, 0x0) r6 = openat$dlm_control(0xffffffffffffff9c, &(0x7f0000000000)='/dev/dlm-control\x00', 0x0, 0x0) ioctl$SNDRV_PCM_IOCTL_XRUN(r6, 0x4148, 0x0) ioctl$NBD_SET_SOCK(r5, 0xab00, r6) ioctl$NBD_SET_FLAGS(r3, 0xab0a, 0x6) 22:52:41 executing program 4: r0 = syz_open_dev$ndb(&(0x7f0000000000)='/dev/nbd#\x00', 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = syz_open_dev$ndb(&(0x7f0000000140)='/dev/nbd#\x00', 0x0, 0x0) ioctl$NBD_CLEAR_SOCK(r2, 0xab04) ioctl$NBD_SET_SOCK(r0, 0xab03, 0xffffffffffffffff) openat$cgroup_subtree(0xffffffffffffffff, &(0x7f0000000080)='cgroup.subtree_control\x00', 0x2, 0x0) ioctl$NBD_SET_FLAGS(r2, 0xab0a, 0x1) r3 = syz_open_dev$sndpcmp(&(0x7f00000000c0)='/dev/snd/pcmC#D#p\x00', 0x0, 0x608000) ioctl$SNDRV_PCM_IOCTL_READI_FRAMES(r3, 0x80184151, &(0x7f0000000100)={0x0, &(0x7f0000000bc0)="35d4fdc978e480ff81fb84b0c48928a80f4378ec5ecd70038769f50f05ca6d9eb0264157967f40454a0baae40c67a17196538723ecef31cdce70ae1b4c229785b56cb0049b24af19daa739467f324730d873fa056a7dbe3303ea8a9d520c2d9d3277280572e4023cfe74dee146751cc46af107c334", 0x75}) ioctl$BTRFS_IOC_DEV_REPLACE(r1, 0xca289435, &(0x7f0000000180)={0x0, 0x8, @start={0x0, 0x0, "35d8d81870a33b5592c2ed910d6afd51113f276c3086b0094e1fc58c26621dd44d8a34e7498ac722f1f5e3c63efdf72affb79ffb8024d2c605c6da18ee01d95cc22d7681eff6adf8329545378cfea5557ab471304f21c112bfc48c004fd0476863db50bcd7dd5b07dfdcb18c9ec3eb57bd6a50acb00ab7818125d553938d9803e9d8d8c078b1209b2ccb9a27c09344017038c04e1080f287b757703f2d7d5777197de684591e688fe41deca132f58e6137c23b707a7dfef129a24178cfabbec2e766d7acd65d823fdab9b325111972557b94c2bdd4a76e65bfcd3a08a8df1d4da6bcbefd8822a499fe5e7416bbe05785a1c3977a3b81b8d64581fceb22a2e29ffec2e25f285ecd40e706b3e4d3b253f907fd230892d8e229191da24b3740c0724bb795c6f701183abcd3d38ab560c8ebfd071d179843895cb942ce4ea87b38e2dee43346d18a03c5df43e0a1bad14cce8c0333fc664d70ca85817a3142ad82f4e916721e31d3a52330ec77917b84db77de4185b7e04f167645880ce2651ae7521296fdbe57d96cf3295152cb9dfbb9d69250fae608ad8f6a3b1f46505018e06cd30b366136139a2fce62b006c5c8972b77d8519fb8bf3ccd1a474a0c25ce447d23e2249226adbbb5c8f49615843ea630992bb6d447ecc81df5120ca33731f051faf5163d238c42ade39c7a42c4de3e499f4ee4f30787e3a52ef46e2dff8c4607025b282604b7a2ec0dfd29502d24f722d552ee7f3ab9572dec49faab40cc5dc7e206a751ab9a80839c3a4199cde607d9ffaf0dadfc07cbe249b14cc085ea2eb24332efd8c12fd944559e278863b39e68523f75d7a589ae4ee1de06d451c88781a7651ba39fa1a3038c7312879b3fff93341083a2a4e1dcf442f6789df3985829011329ce41a872076b284f4bdf5d44e609b2927ee329a071ba046940cc77577b0308d2e9dcb6a6c1ff8157d34ff66d5b21443c8682f72559f35a6200d60c31fa07c895287c13c71ca9cbd4e9cf102601e8748ed59cdd2f3cdb9d4829a31c428f0872ec2e856787f4e9903acc367b33608abb4426be1514f90454dca7c01c5558c686d33e126f16c8c21b96a1238dee7ec93ecba2a402a9cc8f4f75f9fcebe7de89adfec4ddbdf932e79f6f0bc4b221d95ba4c37bf919003f51d742e978ea33ad96bdad96cfa0a1c941bec708a1dd70d076dbac2b5a7a061fc5528a492b46539d2b359e9e3672ca965595c2da86a4c28e7fca6dae7c82cbbc202fbe4ac75cb24a4bcad77aa3bd1c98c716802efebc8456301f2ac111cb042b4a3a77f8c6183f23cb3df96308e6ee80b49aa624121945e47e360538374c802c4279b29981d2eb567293636d59281a56466becde84b284103b8c7f7578938a0da5b6ad3a04b7623998e532e6ae08d1598d2d68e5245cf3d4e00258f4dc14d1c31430e08ae417e8066c", "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"}, [0x80, 0x9, 0x3, 0x2, 0x0, 0xffffffffffffff0e, 0x80, 0x7, 0x1000, 0x8, 0x4, 0x3, 0x2, 0x3, 0x5, 0x800, 0x4, 0x5, 0xf3, 0xb1bf, 0x55ff0ebc, 0x10000, 0x6, 0xfff, 0xffff, 0x40, 0x5, 0x6, 0x7fffffff, 0x8, 0x0, 0x6, 0x2, 0x1, 0x100000000, 0x4, 0x5, 0x8, 0x7fffffff, 0x6, 0x3ff, 0x1, 0x2, 0x4, 0x8000, 0x8, 0x400, 0x8, 0x3ff, 0x101, 0x8, 0x9d, 0x1ff, 0x7fffffff, 0x7f, 0x2, 0x3, 0x4, 0x7e, 0x4, 0x7, 0x6, 0x3, 0x7]}) 22:52:41 executing program 1: r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x182000) ioctl$NBD_SET_SIZE_BLOCKS(r0, 0xab07, 0x1000) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000000)) r1 = syz_open_dev$ndb(&(0x7f0000000140)='/dev/nbd#\x00', 0x0, 0x8400) ioctl$NBD_SET_TIMEOUT(r1, 0xab09, 0x5) ioctl$NBD_CLEAR_SOCK(r1, 0xab04) ioctl$NBD_SET_SOCK(r0, 0xab03, 0xffffffffffffffff) [ 1938.679458] block nbd2: shutting down sockets 22:52:41 executing program 3: socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) ioctl$NBD_SET_TIMEOUT(0xffffffffffffffff, 0xab09, 0x6) ioctl$NBD_SET_SOCK(0xffffffffffffffff, 0xab00, r0) r1 = syz_open_dev$ndb(&(0x7f0000000140)='/dev/nbd#\x00', 0x0, 0x0) ioctl$NBD_CLEAR_SOCK(r1, 0xab04) ioctl$NBD_SET_SOCK(0xffffffffffffffff, 0xab03, 0xffffffffffffffff) 22:52:41 executing program 5: r0 = syz_open_dev$ndb(&(0x7f0000000000)='/dev/nbd#\x00', 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)) ioctl$NBD_SET_TIMEOUT(r0, 0xab09, 0x6) ioctl$NBD_SET_SOCK(r0, 0xab03, 0xffffffffffffffff) [ 1938.704323] block nbd0: shutting down sockets [ 1938.717250] block nbd4: shutting down sockets [ 1938.723558] block nbd2: shutting down sockets [ 1938.761171] block nbd0: shutting down sockets 22:52:41 executing program 2: r0 = syz_open_dev$ndb(&(0x7f0000000000)='/dev/nbd#\x00', 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) syz_open_dev$ndb(&(0x7f0000000140)='/dev/nbd#\x00', 0x0, 0x0) r2 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) ioctl$NBD_CLEAR_SOCK(r2, 0xab04) ioctl$NBD_SET_SOCK(r0, 0xab03, 0xffffffffffffffff) [ 1938.783012] block nbd4: shutting down sockets 22:52:41 executing program 5: r0 = syz_open_dev$ndb(&(0x7f0000000000)='/dev/nbd#\x00', 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) ioctl$NBD_SET_SOCK(r0, 0xab03, 0xffffffffffffffff) 22:52:41 executing program 1: r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x182000) ioctl$NBD_SET_SIZE_BLOCKS(r0, 0xab07, 0x1000) ioctl$NBD_SET_SOCK(r0, 0xab00, 0xffffffffffffffff) r1 = syz_open_dev$ndb(&(0x7f0000000140)='/dev/nbd#\x00', 0x0, 0x8400) ioctl$NBD_SET_TIMEOUT(r1, 0xab09, 0x5) ioctl$NBD_CLEAR_SOCK(r1, 0xab04) ioctl$NBD_SET_SOCK(r0, 0xab03, 0xffffffffffffffff) 22:52:41 executing program 0: r0 = syz_open_dev$ndb(&(0x7f0000000000)='/dev/nbd#\x00', 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = syz_open_dev$ndb(&(0x7f0000000140)='/dev/nbd#\x00', 0x0, 0x8400) ioctl$NBD_CLEAR_SOCK(r2, 0xab04) ioctl$NBD_SET_SOCK(r0, 0xab03, 0xffffffffffffffff) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)) 22:52:41 executing program 3: socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) ioctl$NBD_SET_TIMEOUT(0xffffffffffffffff, 0xab09, 0x6) ioctl$NBD_SET_SOCK(0xffffffffffffffff, 0xab00, r0) r1 = syz_open_dev$ndb(&(0x7f0000000140)='/dev/nbd#\x00', 0x0, 0x0) ioctl$NBD_CLEAR_SOCK(r1, 0xab04) ioctl$NBD_SET_SOCK(0xffffffffffffffff, 0xab03, 0xffffffffffffffff) [ 1938.870100] block nbd2: shutting down sockets 22:52:41 executing program 4: r0 = syz_open_dev$ndb(&(0x7f0000000000)='/dev/nbd#\x00', 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = syz_open_dev$ndb(&(0x7f0000000140)='/dev/nbd#\x00', 0x0, 0x0) ioctl$NBD_CLEAR_SOCK(r2, 0xab04) prctl$PR_SET_THP_DISABLE(0x29, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab03, 0xffffffffffffffff) r3 = openat$dlm_control(0xffffffffffffff9c, &(0x7f0000000180)='/dev/dlm-control\x00', 0x101301, 0x0) ioctl$SNDRV_PCM_IOCTL_XRUN(r3, 0x4148, 0x0) ioctl$NBD_CLEAR_QUE(r3, 0xab05) r4 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x20040) syz_open_dev$sndpcmp(&(0x7f00000000c0)='/dev/snd/pcmC#D#p\x00', 0x5, 0x109040) r5 = openat$dlm_control(0xffffffffffffff9c, &(0x7f0000000000)='/dev/dlm-control\x00', 0x0, 0x0) ioctl$SNDRV_PCM_IOCTL_XRUN(r5, 0x4148, 0x0) r6 = syz_genetlink_get_family_id$nbd(&(0x7f0000000300)='nbd\x00') sendmsg$NBD_CMD_STATUS(r5, &(0x7f00000002c0)={&(0x7f0000000100)={0x10, 0x0, 0x0, 0x2}, 0xc, &(0x7f0000000280)={&(0x7f0000000200)={0x44, r6, 0x400, 0x70bd28, 0x25dfdbff, {}, [@NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x9}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x80}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x4}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}]}, 0x44}, 0x1, 0x0, 0x0, 0x80d0}, 0x24) r7 = openat$dlm_control(0xffffffffffffff9c, &(0x7f0000000000)='/dev/dlm-control\x00', 0x0, 0x0) ioctl$SNDRV_PCM_IOCTL_XRUN(0xffffffffffffffff, 0x4148, 0x0) ioctl$SNDRV_PCM_IOCTL_RESUME(r7, 0x4147, 0x0) ioctl$NBD_DO_IT(r4, 0xab03) [ 1938.905312] block nbd2: shutting down sockets [ 1938.918324] block nbd0: shutting down sockets [ 1938.938367] block nbd4: shutting down sockets [ 1938.946300] block nbd0: Could not allocate knbd recv work queue. 22:52:41 executing program 1: r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x182000) ioctl$NBD_SET_SIZE_BLOCKS(r0, 0xab07, 0x1000) ioctl$NBD_SET_SOCK(r0, 0xab00, 0xffffffffffffffff) r1 = syz_open_dev$ndb(&(0x7f0000000140)='/dev/nbd#\x00', 0x0, 0x8400) ioctl$NBD_SET_TIMEOUT(r1, 0xab09, 0x5) ioctl$NBD_CLEAR_SOCK(r1, 0xab04) ioctl$NBD_SET_SOCK(r0, 0xab03, 0xffffffffffffffff) [ 1938.968914] block nbd0: shutting down sockets 22:52:41 executing program 2: r0 = syz_open_dev$ndb(&(0x7f0000000000)='/dev/nbd#\x00', 0x0, 0x0) r1 = syz_open_dev$ndb(&(0x7f00000000c0)='/dev/nbd#\x00', 0x0, 0x1012c1) ioctl$NBD_SET_FLAGS(r1, 0xab0a, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r0, 0xab00, r2) bpf$BPF_BTF_LOAD(0x12, &(0x7f00000011c0)={&(0x7f0000000000)={{0xeb9f, 0x1, 0x2, 0x18, 0x0, 0x0, 0x0, 0x2}}, &(0x7f00000001c0)=""/4096, 0x1a, 0x1000, 0x1}, 0x20) r3 = syz_open_dev$ndb(&(0x7f0000000140)='/dev/nbd#\x00', 0x0, 0x0) openat$cgroup_devices(0xffffffffffffffff, &(0x7f0000000080)='devices.deny\x00', 0x2, 0x0) ioctl$NBD_CLEAR_SOCK(r3, 0xab04) r4 = socket$inet6_sctp(0xa, 0x1, 0x84) ioctl$BTRFS_IOC_SCRUB_PROGRESS(r4, 0xc400941d, &(0x7f0000000180)={0x0, 0x100000000, 0x0, 0x1}) ioctl$NBD_SET_SIZE(r0, 0xab02, 0x4) ioctl$NBD_SET_SOCK(r0, 0xab03, 0xffffffffffffffff) 22:52:41 executing program 3: socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) ioctl$NBD_SET_TIMEOUT(0xffffffffffffffff, 0xab09, 0x6) ioctl$NBD_SET_SOCK(0xffffffffffffffff, 0xab00, r0) r1 = syz_open_dev$ndb(&(0x7f0000000140)='/dev/nbd#\x00', 0x0, 0x0) ioctl$NBD_CLEAR_SOCK(r1, 0xab04) ioctl$NBD_SET_SOCK(0xffffffffffffffff, 0xab03, 0xffffffffffffffff) [ 1939.001243] block nbd4: shutting down sockets 22:52:41 executing program 0: r0 = syz_open_dev$ndb(&(0x7f0000000000)='/dev/nbd#\x00', 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = syz_open_dev$ndb(&(0x7f0000000140)='/dev/nbd#\x00', 0x0, 0x8400) ioctl$NBD_CLEAR_SOCK(r2, 0xab04) ioctl$NBD_SET_SOCK(r0, 0xab03, 0xffffffffffffffff) 22:52:41 executing program 1: r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x182000) ioctl$NBD_SET_SIZE_BLOCKS(r0, 0xab07, 0x1000) ioctl$NBD_SET_SOCK(r0, 0xab00, 0xffffffffffffffff) r1 = syz_open_dev$ndb(&(0x7f0000000140)='/dev/nbd#\x00', 0x0, 0x8400) ioctl$NBD_SET_TIMEOUT(r1, 0xab09, 0x5) ioctl$NBD_CLEAR_SOCK(r1, 0xab04) ioctl$NBD_SET_SOCK(r0, 0xab03, 0xffffffffffffffff) 22:52:41 executing program 4: r0 = syz_open_dev$ndb(&(0x7f0000000000)='/dev/nbd#\x00', 0x0, 0x2389c0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = syz_open_dev$ndb(&(0x7f0000000140)='/dev/nbd#\x00', 0x0, 0x0) ioctl$NBD_CLEAR_SOCK(r2, 0xab04) ioctl$NBD_SET_SOCK(r0, 0xab03, 0xffffffffffffffff) 22:52:41 executing program 3: r0 = syz_open_dev$ndb(0x0, 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) ioctl$NBD_SET_TIMEOUT(r0, 0xab09, 0x6) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = syz_open_dev$ndb(&(0x7f0000000140)='/dev/nbd#\x00', 0x0, 0x0) ioctl$NBD_CLEAR_SOCK(r2, 0xab04) ioctl$NBD_SET_SOCK(r0, 0xab03, 0xffffffffffffffff) [ 1939.111129] block nbd2: shutting down sockets [ 1939.161174] block nbd0: shutting down sockets [ 1939.213274] block nbd0: shutting down sockets 22:52:42 executing program 5: r0 = syz_open_dev$ndb(&(0x7f0000000000)='/dev/nbd#\x00', 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) ioctl$NBD_SET_SOCK(r0, 0xab03, 0xffffffffffffffff) 22:52:42 executing program 1: r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x182000) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000000)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = syz_open_dev$ndb(&(0x7f0000000140)='/dev/nbd#\x00', 0x0, 0x8400) ioctl$NBD_SET_TIMEOUT(r2, 0xab09, 0x5) ioctl$NBD_CLEAR_SOCK(r2, 0xab04) ioctl$NBD_SET_SOCK(r0, 0xab03, 0xffffffffffffffff) 22:52:42 executing program 2: r0 = openat$fb0(0xffffffffffffff9c, &(0x7f0000000100)='/dev/fb0\x00', 0x74a40, 0x0) ioctl$FBIOPUT_CON2FBMAP(r0, 0x4610, &(0x7f0000000240)={0xc}) r1 = syz_open_dev$ndb(&(0x7f0000000000)='/dev/nbd#\x00', 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) r3 = syz_open_dev$ndb(&(0x7f0000000140)='/dev/nbd#\x00', 0x0, 0x0) ioctl$NBD_CLEAR_SOCK(r3, 0xab04) ioctl$NBD_SET_SOCK(r1, 0xab03, 0xffffffffffffffff) r4 = openat$dlm_control(0xffffffffffffff9c, &(0x7f00000000c0)='/dev/dlm-control\x00', 0x1, 0x0) ioctl$NBD_DO_IT(r4, 0xab03) bpf$BPF_BTF_LOAD(0x12, &(0x7f0000000080)={&(0x7f0000000180)={{0xeb9f, 0x1, 0x0, 0x18, 0x0, 0xa2, 0xa2, 0x4, [@ptr={0xa, 0x0, 0x0, 0x2, 0x1}, @array={0x0, 0x0, 0x0, 0x3, 0x0, {0x4, 0x1, 0x8}}, @enum={0x2, 0x5, 0x0, 0x6, 0x4, [{0x4}, {0x2, 0x200}, {0x7, 0x3}, {0x8, 0xffffffff}, {0x10, 0x6}]}, @datasec={0x10, 0x0, 0x0, 0xf, 0x2, [], '`X'}, @union={0x5, 0x1, 0x0, 0x5, 0x0, 0x4, [{0x2, 0x3, 0x6}]}, @array={0x0, 0x0, 0x0, 0x3, 0x0, {0x2, 0x3, 0x8}}, @const={0x9, 0x0, 0x0, 0xa, 0x2}]}, {0x0, [0x5f, 0x5f]}}, &(0x7f0000000280)=""/193, 0xc0, 0xc1}, 0x20) 22:52:42 executing program 4: r0 = syz_open_dev$ndb(&(0x7f0000000000)='/dev/nbd#\x00', 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x40c000) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = syz_open_dev$ndb(&(0x7f0000000140)='/dev/nbd#\x00', 0x0, 0x0) ioctl$NBD_CLEAR_SOCK(r2, 0xab04) ioctl$NBD_SET_SOCK(r0, 0xab03, 0xffffffffffffffff) 22:52:42 executing program 3: r0 = syz_open_dev$ndb(0x0, 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) ioctl$NBD_SET_TIMEOUT(r0, 0xab09, 0x6) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = syz_open_dev$ndb(&(0x7f0000000140)='/dev/nbd#\x00', 0x0, 0x0) ioctl$NBD_CLEAR_SOCK(r2, 0xab04) ioctl$NBD_SET_SOCK(r0, 0xab03, 0xffffffffffffffff) 22:52:42 executing program 0: r0 = syz_open_dev$ndb(&(0x7f0000000000)='/dev/nbd#\x00', 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = syz_open_dev$ndb(&(0x7f0000000140)='/dev/nbd#\x00', 0x0, 0x8400) ioctl$NBD_CLEAR_SOCK(r2, 0xab04) r3 = syz_open_dev$ndb(&(0x7f00000000c0)='/dev/nbd#\x00', 0x0, 0x2000) ioctl$NBD_SET_TIMEOUT(r3, 0xab09, 0x3) ioctl$mixer_OSS_GETVERSION(0xffffffffffffffff, 0x80044d76, &(0x7f0000000080)) ioctl$NBD_SET_SOCK(r0, 0xab03, 0xffffffffffffffff) [ 1939.736088] block nbd5: Receive control failed (result -32) [ 1939.742158] block nbd5: shutting down sockets [ 1939.805906] block nbd4: shutting down sockets [ 1939.816097] block nbd2: shutting down sockets [ 1939.822311] block nbd0: shutting down sockets [ 1939.839766] block nbd1: shutting down sockets [ 1939.846795] block nbd4: shutting down sockets 22:52:42 executing program 3: r0 = syz_open_dev$ndb(0x0, 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) ioctl$NBD_SET_TIMEOUT(r0, 0xab09, 0x6) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = syz_open_dev$ndb(&(0x7f0000000140)='/dev/nbd#\x00', 0x0, 0x0) ioctl$NBD_CLEAR_SOCK(r2, 0xab04) ioctl$NBD_SET_SOCK(r0, 0xab03, 0xffffffffffffffff) [ 1939.878329] block nbd0: shutting down sockets 22:52:42 executing program 2: r0 = syz_open_dev$ndb(&(0x7f0000000000)='/dev/nbd#\x00', 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) ioctl$NBD_DO_IT(r0, 0xab03) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x234242) prctl$PR_GET_SPECULATION_CTRL(0x34, 0x0, 0x2) ioctl$NBD_CLEAR_SOCK(r2, 0xab04) ioctl$NBD_SET_SOCK(r0, 0xab03, 0xffffffffffffffff) 22:52:42 executing program 4: r0 = syz_open_dev$ndb(&(0x7f0000000000)='/dev/nbd#\x00', 0x0, 0x488600) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = syz_open_dev$ndb(&(0x7f0000000140)='/dev/nbd#\x00', 0x0, 0x0) syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x600000) ioctl$NBD_CLEAR_SOCK(r2, 0xab04) ioctl$NBD_SET_SOCK(r0, 0xab03, 0xffffffffffffffff) 22:52:42 executing program 1: socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000000)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(0xffffffffffffffff, 0xab00, r0) r1 = syz_open_dev$ndb(&(0x7f0000000140)='/dev/nbd#\x00', 0x0, 0x8400) ioctl$NBD_SET_TIMEOUT(r1, 0xab09, 0x5) ioctl$NBD_CLEAR_SOCK(r1, 0xab04) ioctl$NBD_SET_SOCK(0xffffffffffffffff, 0xab03, 0xffffffffffffffff) 22:52:42 executing program 0: r0 = syz_open_dev$ndb(&(0x7f0000000000)='/dev/nbd#\x00', 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) r2 = socket$nl_generic(0x10, 0x3, 0x10) r3 = openat$dlm_control(0xffffffffffffff9c, &(0x7f0000000000)='/dev/dlm-control\x00', 0x0, 0x0) ioctl$SNDRV_PCM_IOCTL_XRUN(r3, 0x4148, 0x0) r4 = openat$dlm_control(0xffffffffffffff9c, &(0x7f0000000000)='/dev/dlm-control\x00', 0x0, 0x0) ioctl$SNDRV_PCM_IOCTL_XRUN(r4, 0x4148, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000100)={0xffffffffffffffff}) r6 = openat$dlm_control(0xffffffffffffff9c, &(0x7f0000000000)='/dev/dlm-control\x00', 0x0, 0x0) ioctl$SNDRV_PCM_IOCTL_XRUN(r6, 0x4148, 0x0) r7 = openat$dlm_control(0xffffffffffffff9c, &(0x7f0000000180)='/dev/dlm-control\x00', 0x80000, 0x0) sendmsg$NBD_CMD_RECONFIGURE(r2, &(0x7f00000002c0)={&(0x7f0000000080)={0x10, 0x0, 0x0, 0x4}, 0xc, &(0x7f0000000280)={&(0x7f00000001c0)={0xb4, 0x0, 0x1, 0x70bd27, 0x25dfdbff, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_SOCKETS={0x3c, 0x7, 0x0, 0x1, [{0x8, 0x1, r3}, {0x8, 0x1, r1}, {0x8, 0x1, r4}, {0x8, 0x1, r5}, {0x8, 0x1, r1}, {0x8, 0x1, r6}, {0x8, 0x1, r7}]}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x26}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x800}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x8}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x9}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x3}, @NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x354b1d11}]}, 0xb4}, 0x1, 0x0, 0x0, 0x4008004}, 0x40000) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r8 = syz_open_dev$ndb(&(0x7f0000000140)='/dev/nbd#\x00', 0x0, 0x8400) ioctl$NBD_CLEAR_SOCK(r8, 0xab04) ioctl$NBD_SET_SOCK(r0, 0xab03, 0xffffffffffffffff) r9 = syz_open_dev$ndb(&(0x7f00000000c0)='/dev/nbd#\x00', 0x0, 0x3314c0) ioctl$NBD_SET_SIZE_BLOCKS(r9, 0xab07, 0x9) ioctl$SNDRV_PCM_IOCTL_XRUN(0xffffffffffffffff, 0x4148, 0x0) ioctl$NBD_SET_SIZE(0xffffffffffffffff, 0xab02, 0x1ff) 22:52:42 executing program 3: r0 = syz_open_dev$ndb(&(0x7f0000000000)='/dev/nbd#\x00', 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, 0x0) ioctl$NBD_SET_TIMEOUT(r0, 0xab09, 0x6) ioctl$NBD_SET_SOCK(r0, 0xab00, 0xffffffffffffffff) r1 = syz_open_dev$ndb(&(0x7f0000000140)='/dev/nbd#\x00', 0x0, 0x0) ioctl$NBD_CLEAR_SOCK(r1, 0xab04) ioctl$NBD_SET_SOCK(r0, 0xab03, 0xffffffffffffffff) [ 1940.039229] block nbd0: shutting down sockets [ 1940.092359] block nbd0: Receive control failed (result -32) [ 1940.099771] block nbd0: shutting down sockets 22:52:43 executing program 5: r0 = syz_open_dev$ndb(&(0x7f0000000000)='/dev/nbd#\x00', 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) ioctl$NBD_SET_SOCK(r0, 0xab03, 0xffffffffffffffff) 22:52:43 executing program 4: r0 = syz_open_dev$ndb(&(0x7f0000000000)='/dev/nbd#\x00', 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)) r1 = openat$dlm_control(0xffffffffffffff9c, &(0x7f0000000000)='/dev/dlm-control\x00', 0x0, 0x0) ioctl$SNDRV_PCM_IOCTL_XRUN(r1, 0x4148, 0x0) r2 = openat$dlm_control(0xffffffffffffff9c, &(0x7f0000000100)='/dev/dlm-control\x00', 0x4c02, 0x0) sendmsg$MPTCP_PM_CMD_GET_ADDR(r2, &(0x7f0000000240)={&(0x7f0000000180)={0x10, 0x0, 0x0, 0x8}, 0xc, &(0x7f0000000200)={&(0x7f00000001c0)={0x34, 0x0, 0x100, 0x70bd2a, 0x25dfdbfd, {}, [@MPTCP_PM_ATTR_SUBFLOWS={0x8, 0x3, 0x3}, @MPTCP_PM_ATTR_ADDR={0x4}, @MPTCP_PM_ATTR_ADDR={0xc, 0x1, 0x0, 0x1, [@MPTCP_PM_ADDR_ATTR_ID={0x5, 0x2, 0x8}]}, @MPTCP_PM_ATTR_RCV_ADD_ADDRS={0x8, 0x2, 0x2}]}, 0x34}, 0x1, 0x0, 0x0, 0x20880}, 0x40) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f00000000c0)) r3 = openat$dlm_control(0xffffffffffffff9c, &(0x7f0000000000)='/dev/dlm-control\x00', 0x0, 0x0) ioctl$SNDRV_PCM_IOCTL_XRUN(r3, 0x4148, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, r3) r4 = syz_open_dev$ndb(&(0x7f0000000140)='/dev/nbd#\x00', 0x0, 0x0) syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x244000) ioctl$NBD_CLEAR_SOCK(r4, 0xab04) ioctl$NBD_SET_SOCK(r0, 0xab03, 0xffffffffffffffff) 22:52:43 executing program 1: socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000000)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(0xffffffffffffffff, 0xab00, r0) r1 = syz_open_dev$ndb(&(0x7f0000000140)='/dev/nbd#\x00', 0x0, 0x8400) ioctl$NBD_SET_TIMEOUT(r1, 0xab09, 0x5) ioctl$NBD_CLEAR_SOCK(r1, 0xab04) ioctl$NBD_SET_SOCK(0xffffffffffffffff, 0xab03, 0xffffffffffffffff) 22:52:43 executing program 3: r0 = syz_open_dev$ndb(&(0x7f0000000000)='/dev/nbd#\x00', 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, 0x0) ioctl$NBD_SET_TIMEOUT(r0, 0xab09, 0x6) ioctl$NBD_SET_SOCK(r0, 0xab00, 0xffffffffffffffff) r1 = syz_open_dev$ndb(&(0x7f0000000140)='/dev/nbd#\x00', 0x0, 0x0) ioctl$NBD_CLEAR_SOCK(r1, 0xab04) ioctl$NBD_SET_SOCK(r0, 0xab03, 0xffffffffffffffff) 22:52:43 executing program 0: r0 = syz_open_dev$ndb(&(0x7f0000000000)='/dev/nbd#\x00', 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = syz_open_dev$ndb(&(0x7f0000000140)='/dev/nbd#\x00', 0x0, 0x8400) ioctl$NBD_CLEAR_SOCK(r2, 0xab04) ioctl$NBD_SET_SOCK(r0, 0xab03, r1) [ 1940.647509] block nbd5: Receive control failed (result -32) [ 1940.654159] block nbd5: shutting down sockets [ 1940.711634] block nbd0: shutting down sockets 22:52:43 executing program 1: socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000000)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(0xffffffffffffffff, 0xab00, r0) r1 = syz_open_dev$ndb(&(0x7f0000000140)='/dev/nbd#\x00', 0x0, 0x8400) ioctl$NBD_SET_TIMEOUT(r1, 0xab09, 0x5) ioctl$NBD_CLEAR_SOCK(r1, 0xab04) ioctl$NBD_SET_SOCK(0xffffffffffffffff, 0xab03, 0xffffffffffffffff) 22:52:43 executing program 3: r0 = syz_open_dev$ndb(&(0x7f0000000000)='/dev/nbd#\x00', 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, 0x0) ioctl$NBD_SET_TIMEOUT(r0, 0xab09, 0x6) ioctl$NBD_SET_SOCK(r0, 0xab00, 0xffffffffffffffff) r1 = syz_open_dev$ndb(&(0x7f0000000140)='/dev/nbd#\x00', 0x0, 0x0) ioctl$NBD_CLEAR_SOCK(r1, 0xab04) ioctl$NBD_SET_SOCK(r0, 0xab03, 0xffffffffffffffff) [ 1940.753839] block nbd0: shutting down sockets [ 1940.814261] block nbd2: Receive control failed (result -32) [ 1940.820788] block nbd2: shutting down sockets [ 1940.841590] block nbd2: shutting down sockets 22:52:43 executing program 2: r0 = syz_open_dev$ndb(&(0x7f0000000000)='/dev/nbd#\x00', 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = openat$dlm_control(0xffffffffffffff9c, &(0x7f0000000000)='/dev/dlm-control\x00', 0x0, 0x0) r3 = openat$dlm_control(0xffffffffffffff9c, &(0x7f0000000000)='/dev/dlm-control\x00', 0x0, 0x0) ioctl$SNDRV_PCM_IOCTL_XRUN(r3, 0x4148, 0x0) ioctl$NBD_SET_SIZE(r3, 0xab02, 0x8) ioctl$SNDRV_PCM_IOCTL_XRUN(r2, 0x4148, 0x0) ioctl$SOUND_MIXER_READ_DEVMASK(r2, 0x80044dfe, &(0x7f0000000080)) r4 = syz_open_dev$ndb(&(0x7f0000000140)='/dev/nbd#\x00', 0x0, 0x0) sendmsg$NLBL_MGMT_C_ADDDEF(r2, &(0x7f0000000200)={&(0x7f00000000c0)={0x10, 0x0, 0x0, 0x1000000}, 0xc, &(0x7f0000000100)={&(0x7f0000000240)=ANY=[@ANYBLOB='d\x00\x00\x00', @ANYRES16=0x0, @ANYBLOB="000427bd7000fbdbdf2504000000140006002001000000000000000000000000000110000100282c2e212326273a2f2f230008000c00010000000e0001202f6465762f6e626423000000140006002001000000000000000000000000000011818254ae3cbd12934b2df2549f3cdd9728d258a08f148060d566d552afe17bcf02bfeea7119bd5acc3998fb9"], 0x64}, 0x1, 0x0, 0x0, 0x800}, 0x810) ioctl$NBD_CLEAR_SOCK(r4, 0xab04) ioctl$NBD_SET_SOCK(r0, 0xab03, 0xffffffffffffffff) 22:52:43 executing program 4: r0 = syz_open_dev$ndb(&(0x7f00000000c0)='/dev/nbd#\x00', 0x0, 0x551000) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff, 0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) sendmsg$NBD_CMD_RECONFIGURE(0xffffffffffffffff, &(0x7f00000001c0)={&(0x7f0000000080)={0x10, 0x0, 0x0, 0x40000000}, 0xc, &(0x7f0000000180)={&(0x7f0000000300)=ANY=[@ANYBLOB="01592db127768af39cfa18a3c049cba58c2fd2e59c8dadcf2904f1aaaba25d3880c3ebdf04e2a4977a2240d34d2074d2f8d83816c17566e264c8bdf2df331f04626c71e66c731ce8a0e63055191e3effbc98c3", @ANYRES16=r2, @ANYBLOB="c55d2cbd7000fddbdf25030000000c00040000000000000000000c00080000000000000000000c00030008000000000000000c00050020000000000000000c00060001000000000000000c00030004000000000000000c00060000000000000000000c0004000500000000000000"], 0x74}, 0x1, 0x0, 0x0, 0x4004014}, 0xd6f797ca275a7d39) r3 = syz_open_dev$ndb(&(0x7f0000000140)='/dev/nbd#\x00', 0x0, 0x0) ioctl$NBD_CLEAR_SOCK(r3, 0xab04) ioctl$NBD_SET_SOCK(r0, 0xab03, 0xffffffffffffffff) 22:52:43 executing program 3: r0 = syz_open_dev$ndb(&(0x7f0000000000)='/dev/nbd#\x00', 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) ioctl$NBD_SET_TIMEOUT(0xffffffffffffffff, 0xab09, 0x6) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = syz_open_dev$ndb(&(0x7f0000000140)='/dev/nbd#\x00', 0x0, 0x0) ioctl$NBD_CLEAR_SOCK(r2, 0xab04) ioctl$NBD_SET_SOCK(r0, 0xab03, 0xffffffffffffffff) 22:52:43 executing program 0: r0 = syz_open_dev$ndb(&(0x7f0000000000)='/dev/nbd#\x00', 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = syz_open_dev$ndb(&(0x7f0000000140)='/dev/nbd#\x00', 0x0, 0x8400) r3 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x400) ioctl$NBD_SET_SOCK(r3, 0xab00, r1) ioctl$NBD_CLEAR_SOCK(r2, 0xab04) ioctl$NBD_SET_SOCK(r0, 0xab03, 0xffffffffffffffff) 22:52:43 executing program 1: r0 = syz_open_dev$ndb(0x0, 0x0, 0x182000) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000000)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = syz_open_dev$ndb(&(0x7f0000000140)='/dev/nbd#\x00', 0x0, 0x8400) ioctl$NBD_SET_TIMEOUT(r2, 0xab09, 0x5) ioctl$NBD_CLEAR_SOCK(r2, 0xab04) ioctl$NBD_SET_SOCK(r0, 0xab03, 0xffffffffffffffff) [ 1940.929840] block nbd3: shutting down sockets [ 1940.965957] block nbd0: shutting down sockets [ 1940.982363] block nbd2: shutting down sockets [ 1940.989909] block nbd0: server does not support multiple connections per device. [ 1941.020126] block nbd0: Device being setup by another task [ 1941.026049] block nbd0: shutting down sockets [ 1941.052686] block nbd2: shutting down sockets 22:52:44 executing program 3: r0 = syz_open_dev$ndb(&(0x7f0000000000)='/dev/nbd#\x00', 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) ioctl$NBD_SET_TIMEOUT(0xffffffffffffffff, 0xab09, 0x6) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = syz_open_dev$ndb(&(0x7f0000000140)='/dev/nbd#\x00', 0x0, 0x0) ioctl$NBD_CLEAR_SOCK(r2, 0xab04) ioctl$NBD_SET_SOCK(r0, 0xab03, 0xffffffffffffffff) 22:52:44 executing program 4: r0 = syz_open_dev$ndb(&(0x7f0000000000)='/dev/nbd#\x00', 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = syz_open_dev$ndb(&(0x7f0000000140)='/dev/nbd#\x00', 0x0, 0x0) ioctl$NBD_CLEAR_SOCK(r2, 0xab04) ioctl$NBD_SET_SOCK(r0, 0xab03, 0xffffffffffffffff) 22:52:44 executing program 1: r0 = syz_open_dev$ndb(0x0, 0x0, 0x182000) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000000)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = syz_open_dev$ndb(&(0x7f0000000140)='/dev/nbd#\x00', 0x0, 0x8400) ioctl$NBD_SET_TIMEOUT(r2, 0xab09, 0x5) ioctl$NBD_CLEAR_SOCK(r2, 0xab04) ioctl$NBD_SET_SOCK(r0, 0xab03, 0xffffffffffffffff) 22:52:44 executing program 0: r0 = syz_open_dev$ndb(&(0x7f0000000000)='/dev/nbd#\x00', 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)) r1 = openat$dlm_control(0xffffffffffffff9c, &(0x7f0000000000)='/dev/dlm-control\x00', 0x0, 0x0) ioctl$SNDRV_PCM_IOCTL_XRUN(r1, 0x4148, 0x0) ioctl$NBD_SET_SOCK(r1, 0xab00, r1) r2 = syz_open_dev$ndb(&(0x7f0000000140)='/dev/nbd#\x00', 0x0, 0x8400) ioctl$NBD_CLEAR_SOCK(r2, 0xab04) ioctl$NBD_SET_SOCK(r0, 0xab03, 0xffffffffffffffff) 22:52:44 executing program 5: r0 = syz_open_dev$ndb(&(0x7f0000000000)='/dev/nbd#\x00', 0x0, 0x0) ioctl$NBD_SET_TIMEOUT(r0, 0xab09, 0x6) ioctl$NBD_SET_SOCK(r0, 0xab00, 0xffffffffffffffff) ioctl$NBD_SET_SOCK(r0, 0xab03, 0xffffffffffffffff) 22:52:44 executing program 2: r0 = syz_open_dev$ndb(&(0x7f0000000000)='/dev/nbd#\x00', 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = syz_open_dev$ndb(&(0x7f0000000140)='/dev/nbd#\x00', 0x0, 0x0) ioctl$NBD_SET_TIMEOUT(r2, 0xab09, 0x4) ioctl$NBD_CLEAR_SOCK(r2, 0xab04) ioctl$NBD_SET_SOCK(r0, 0xab03, 0xffffffffffffffff) [ 1941.536703] block nbd5: Receive control failed (result -32) [ 1941.536831] block nbd5: shutting down sockets 22:52:44 executing program 1: r0 = syz_open_dev$ndb(0x0, 0x0, 0x182000) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000000)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = syz_open_dev$ndb(&(0x7f0000000140)='/dev/nbd#\x00', 0x0, 0x8400) ioctl$NBD_SET_TIMEOUT(r2, 0xab09, 0x5) ioctl$NBD_CLEAR_SOCK(r2, 0xab04) ioctl$NBD_SET_SOCK(r0, 0xab03, 0xffffffffffffffff) 22:52:44 executing program 3: r0 = syz_open_dev$ndb(&(0x7f0000000000)='/dev/nbd#\x00', 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) ioctl$NBD_SET_TIMEOUT(0xffffffffffffffff, 0xab09, 0x6) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = syz_open_dev$ndb(&(0x7f0000000140)='/dev/nbd#\x00', 0x0, 0x0) ioctl$NBD_CLEAR_SOCK(r2, 0xab04) ioctl$NBD_SET_SOCK(r0, 0xab03, 0xffffffffffffffff) [ 1941.591075] block nbd3: shutting down sockets [ 1941.599538] block nbd2: shutting down sockets [ 1941.626801] block nbd4: shutting down sockets 22:52:44 executing program 5: r0 = syz_open_dev$ndb(&(0x7f0000000000)='/dev/nbd#\x00', 0x0, 0x0) ioctl$NBD_SET_TIMEOUT(r0, 0xab09, 0x6) ioctl$NBD_SET_SOCK(r0, 0xab00, 0xffffffffffffffff) ioctl$NBD_SET_SOCK(r0, 0xab03, 0xffffffffffffffff) [ 1941.671054] block nbd2: shutting down sockets 22:52:44 executing program 1: r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000000)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = syz_open_dev$ndb(&(0x7f0000000140)='/dev/nbd#\x00', 0x0, 0x8400) ioctl$NBD_SET_TIMEOUT(r2, 0xab09, 0x5) ioctl$NBD_CLEAR_SOCK(r2, 0xab04) ioctl$NBD_SET_SOCK(r0, 0xab03, 0xffffffffffffffff) 22:52:44 executing program 0: r0 = syz_open_dev$ndb(&(0x7f0000000000)='/dev/nbd#\x00', 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = syz_open_dev$ndb(&(0x7f0000000140)='/dev/nbd#\x00', 0x0, 0x8400) ioctl$NBD_CLEAR_SOCK(r2, 0xab04) ioctl$SNDRV_PCM_IOCTL_STATUS64(0xffffffffffffffff, 0x80984120, &(0x7f0000000080)) ioctl$NBD_SET_SOCK(r0, 0xab03, 0xffffffffffffffff) [ 1941.699148] block nbd4: shutting down sockets [ 1941.709487] block nbd3: shutting down sockets 22:52:44 executing program 2: r0 = syz_open_dev$ndb(&(0x7f0000000000)='/dev/nbd#\x00', 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = syz_open_dev$ndb(&(0x7f0000000140)='/dev/nbd#\x00', 0x0, 0x0) ioctl$NBD_CLEAR_SOCK(r2, 0xab04) ioctl$NBD_SET_SOCK(r0, 0xab03, 0xffffffffffffffff) 22:52:44 executing program 3: r0 = syz_open_dev$ndb(&(0x7f0000000000)='/dev/nbd#\x00', 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) ioctl$NBD_SET_TIMEOUT(r0, 0xab09, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = syz_open_dev$ndb(&(0x7f0000000140)='/dev/nbd#\x00', 0x0, 0x0) ioctl$NBD_CLEAR_SOCK(r2, 0xab04) ioctl$NBD_SET_SOCK(r0, 0xab03, 0xffffffffffffffff) 22:52:44 executing program 4: r0 = syz_open_dev$ndb(&(0x7f0000000000)='/dev/nbd#\x00', 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = syz_open_dev$ndb(&(0x7f0000000140)='/dev/nbd#\x00', 0x0, 0x0) write$sequencer(0xffffffffffffffff, &(0x7f0000000080)=[@t={0x81, 0x6, 0x8, 0xba, @generic=0xffff9528}, @echo=0x80000000, @echo, @s={0x5, @generic=0xc6, 0x6, 0x5}, @echo=0x7fff, @raw={0x0, 0xf, "25f1b4dab0cf"}, @e={0xff, 0xa, 0xd, 0x37, @SEQ_NOTEON=@special, 0x6, 0xf7, 0x46}, @raw={0xfe, 0x7, "d59384831e2b"}, @generic, @l={0x92, 0x6, 0xd0, 0xb, 0xf9, 0x7, 0x9}], 0x39) ioctl$NBD_CLEAR_SOCK(r2, 0xab04) ioctl$NBD_SET_SOCK(r0, 0xab03, 0xffffffffffffffff) 22:52:44 executing program 5: r0 = syz_open_dev$ndb(&(0x7f0000000000)='/dev/nbd#\x00', 0x0, 0x0) ioctl$NBD_SET_TIMEOUT(r0, 0xab09, 0x6) ioctl$NBD_SET_SOCK(r0, 0xab00, 0xffffffffffffffff) ioctl$NBD_SET_SOCK(r0, 0xab03, 0xffffffffffffffff) [ 1941.827366] block nbd1: shutting down sockets [ 1941.828818] block nbd0: shutting down sockets [ 1941.840030] block nbd2: shutting down sockets 22:52:44 executing program 1: r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, 0xffffffffffffffff) r1 = syz_open_dev$ndb(&(0x7f0000000140)='/dev/nbd#\x00', 0x0, 0x8400) ioctl$NBD_SET_TIMEOUT(r1, 0xab09, 0x5) ioctl$NBD_CLEAR_SOCK(r1, 0xab04) ioctl$NBD_SET_SOCK(r0, 0xab03, 0xffffffffffffffff) 22:52:44 executing program 5: socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) ioctl$NBD_SET_TIMEOUT(0xffffffffffffffff, 0xab09, 0x6) ioctl$NBD_SET_SOCK(0xffffffffffffffff, 0xab00, r0) ioctl$NBD_SET_SOCK(0xffffffffffffffff, 0xab03, 0xffffffffffffffff) [ 1941.874961] block nbd3: shutting down sockets [ 1941.881263] block nbd0: shutting down sockets [ 1941.886084] block nbd2: shutting down sockets [ 1941.910007] block nbd4: shutting down sockets 22:52:44 executing program 0: r0 = syz_open_dev$ndb(&(0x7f0000000000)='/dev/nbd#\x00', 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = openat$dlm_control(0xffffffffffffff9c, &(0x7f0000000000)='/dev/dlm-control\x00', 0x44042, 0x0) ioctl$SNDRV_PCM_IOCTL_XRUN(r2, 0x4148, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r2, 0xab00, r3) mmap$snddsp_control(&(0x7f0000ffe000/0x1000)=nil, 0x1000, 0x0, 0x8010, r2, 0x83000000) r4 = syz_open_dev$ndb(&(0x7f0000000140)='/dev/nbd#\x00', 0x0, 0x8400) ioctl$NBD_CLEAR_SOCK(r4, 0xab04) ioctl$NBD_SET_SOCK(r0, 0xab03, 0xffffffffffffffff) 22:52:44 executing program 3: r0 = syz_open_dev$ndb(&(0x7f0000000000)='/dev/nbd#\x00', 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) ioctl$NBD_SET_TIMEOUT(r0, 0xab09, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = syz_open_dev$ndb(&(0x7f0000000140)='/dev/nbd#\x00', 0x0, 0x0) ioctl$NBD_CLEAR_SOCK(r2, 0xab04) ioctl$NBD_SET_SOCK(r0, 0xab03, 0xffffffffffffffff) 22:52:44 executing program 2: r0 = syz_open_dev$ndb(&(0x7f0000000000)='/dev/nbd#\x00', 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = syz_open_dev$ndb(&(0x7f0000000140)='/dev/nbd#\x00', 0x0, 0x0) ioctl$NBD_CLEAR_SOCK(r2, 0xab04) ioctl$NBD_SET_SOCK(r0, 0xab03, 0xffffffffffffffff) sendmsg$NBD_CMD_DISCONNECT(0xffffffffffffffff, &(0x7f00000001c0)={&(0x7f0000000080)={0x10, 0x0, 0x0, 0x10000}, 0xc, &(0x7f0000000180)={&(0x7f00000000c0)={0x48, 0x0, 0x200, 0x70bd27, 0x25dfdbfb, {}, [@NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x6}, @NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8, 0x1, r1}]}, @NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x2}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x5e}]}, 0x48}, 0x1, 0x0, 0x0, 0x800}, 0x4000) 22:52:44 executing program 1: r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, 0xffffffffffffffff) r1 = syz_open_dev$ndb(&(0x7f0000000140)='/dev/nbd#\x00', 0x0, 0x8400) ioctl$NBD_SET_TIMEOUT(r1, 0xab09, 0x5) ioctl$NBD_CLEAR_SOCK(r1, 0xab04) ioctl$NBD_SET_SOCK(r0, 0xab03, 0xffffffffffffffff) [ 1942.015067] block nbd0: shutting down sockets [ 1942.020195] block nbd4: Receive control failed (result -32) [ 1942.020788] block nbd4: shutting down sockets 22:52:44 executing program 5: socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) ioctl$NBD_SET_TIMEOUT(0xffffffffffffffff, 0xab09, 0x6) ioctl$NBD_SET_SOCK(0xffffffffffffffff, 0xab00, r0) ioctl$NBD_SET_SOCK(0xffffffffffffffff, 0xab03, 0xffffffffffffffff) [ 1942.056774] block nbd3: shutting down sockets [ 1942.062001] block nbd2: shutting down sockets 22:52:44 executing program 4: r0 = syz_open_dev$ndb(&(0x7f0000000000)='/dev/nbd#\x00', 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f00000000c0)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = syz_open_dev$ndb(&(0x7f0000000140)='/dev/nbd#\x00', 0x0, 0x0) r3 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x100) r4 = openat$dlm_control(0xffffffffffffff9c, &(0x7f0000000000)='/dev/dlm-control\x00', 0x0, 0x0) ioctl$SNDRV_PCM_IOCTL_XRUN(r4, 0x4148, 0x0) ioctl$NBD_CLEAR_SOCK(r4, 0xab04) ioctl$NBD_CLEAR_QUE(r3, 0xab05) r5 = syz_init_net_socket$nfc_llcp(0x27, 0x2, 0x1) ioctl$NBD_SET_BLKSIZE(r0, 0xab01, 0x20000000000086) setsockopt$nfc_llcp_NFC_LLCP_RW(r5, 0x118, 0x0, &(0x7f0000000140)=0x2f, 0x4) r6 = syz_init_net_socket$nfc_llcp(0x27, 0x2, 0x1) setsockopt$nfc_llcp_NFC_LLCP_RW(r6, 0x118, 0x0, &(0x7f0000000140)=0x2f, 0x4) accept$nfc_llcp(r5, &(0x7f0000000180), &(0x7f0000000200)=0x60) ioctl$NBD_CLEAR_SOCK(r2, 0xab04) r7 = syz_open_dev$ndb(&(0x7f0000000100)='/dev/nbd#\x00', 0x0, 0x181c0) ioctl$NBD_DO_IT(r7, 0xab03) ioctl$NBD_SET_SOCK(r0, 0xab03, 0xffffffffffffffff) ioctl$NBD_CLEAR_QUE(r2, 0xab05) [ 1942.101063] block nbd2: shutting down sockets [ 1942.102176] block nbd0: shutting down sockets [ 1942.124799] block nbd2: Could not allocate knbd recv work queue. 22:52:44 executing program 3: r0 = syz_open_dev$ndb(&(0x7f0000000000)='/dev/nbd#\x00', 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) ioctl$NBD_SET_TIMEOUT(r0, 0xab09, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = syz_open_dev$ndb(&(0x7f0000000140)='/dev/nbd#\x00', 0x0, 0x0) ioctl$NBD_CLEAR_SOCK(r2, 0xab04) ioctl$NBD_SET_SOCK(r0, 0xab03, 0xffffffffffffffff) 22:52:44 executing program 2: r0 = syz_open_dev$ndb(&(0x7f0000000000)='/dev/nbd#\x00', 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = syz_open_dev$ndb(&(0x7f0000000140)='/dev/nbd#\x00', 0x0, 0x0) ioctl$NBD_CLEAR_SOCK(r2, 0xab04) r3 = openat$dlm_control(0xffffffffffffff9c, &(0x7f0000000000)='/dev/dlm-control\x00', 0x0, 0x0) ioctl$SNDRV_PCM_IOCTL_XRUN(r3, 0x4148, 0x0) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0xe7) r4 = openat$dlm_control(0xffffffffffffff9c, &(0x7f0000000000)='/dev/dlm-control\x00', 0x0, 0x0) ioctl$SNDRV_PCM_IOCTL_XRUN(r4, 0x4148, 0x0) bpf$BPF_BTF_LOAD(0x12, &(0x7f0000000180)={&(0x7f0000000080)={{0xeb9f, 0x1, 0x0, 0x18, 0x0, 0x18, 0x18, 0x4, [@array={0x0, 0x0, 0x0, 0x3, 0x0, {0x4, 0x5, 0x7fff}}]}, {0x0, [0x0, 0x61]}}, &(0x7f00000000c0)=""/82, 0x34, 0x52, 0x1}, 0x20) ioctl$NBD_SET_SIZE(r4, 0xab02, 0x1) ioctl$NBD_SET_TIMEOUT(r3, 0xab09, 0x8) ioctl$NBD_SET_SOCK(r0, 0xab03, 0xffffffffffffffff) 22:52:44 executing program 1: r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, 0xffffffffffffffff) r1 = syz_open_dev$ndb(&(0x7f0000000140)='/dev/nbd#\x00', 0x0, 0x8400) ioctl$NBD_SET_TIMEOUT(r1, 0xab09, 0x5) ioctl$NBD_CLEAR_SOCK(r1, 0xab04) ioctl$NBD_SET_SOCK(r0, 0xab03, 0xffffffffffffffff) [ 1942.156667] block nbd0: Could not allocate knbd recv work queue. 22:52:44 executing program 0: r0 = syz_open_dev$ndb(&(0x7f0000000000)='/dev/nbd#\x00', 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = syz_open_dev$ndb(&(0x7f0000000140)='/dev/nbd#\x00', 0x0, 0x8400) ioctl$SNDRV_PCM_IOCTL_PAUSE(0xffffffffffffffff, 0x40044145, &(0x7f0000000080)=0x80000001) ioctl$NBD_CLEAR_SOCK(r2, 0xab04) ioctl$NBD_SET_SOCK(r0, 0xab03, 0xffffffffffffffff) 22:52:44 executing program 5: socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) ioctl$NBD_SET_TIMEOUT(0xffffffffffffffff, 0xab09, 0x6) ioctl$NBD_SET_SOCK(0xffffffffffffffff, 0xab00, r0) ioctl$NBD_SET_SOCK(0xffffffffffffffff, 0xab03, 0xffffffffffffffff) [ 1942.206755] block nbd4: shutting down sockets [ 1942.222964] block nbd3: shutting down sockets 22:52:44 executing program 3: r0 = syz_open_dev$ndb(&(0x7f0000000000)='/dev/nbd#\x00', 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) ioctl$NBD_SET_TIMEOUT(r0, 0xab09, 0x6) ioctl$NBD_SET_SOCK(0xffffffffffffffff, 0xab00, r1) r2 = syz_open_dev$ndb(&(0x7f0000000140)='/dev/nbd#\x00', 0x0, 0x0) ioctl$NBD_CLEAR_SOCK(r2, 0xab04) ioctl$NBD_SET_SOCK(r0, 0xab03, 0xffffffffffffffff) 22:52:44 executing program 1: r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000000)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(0xffffffffffffffff, 0xab00, r1) r2 = syz_open_dev$ndb(&(0x7f0000000140)='/dev/nbd#\x00', 0x0, 0x8400) ioctl$NBD_SET_TIMEOUT(r2, 0xab09, 0x5) ioctl$NBD_CLEAR_SOCK(r2, 0xab04) ioctl$NBD_SET_SOCK(r0, 0xab03, 0xffffffffffffffff) [ 1942.267454] block nbd4: shutting down sockets [ 1942.269476] block nbd2: shutting down sockets 22:52:44 executing program 4: r0 = syz_open_dev$ndb(&(0x7f0000000000)='/dev/nbd#\x00', 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = syz_open_dev$ndb(&(0x7f0000000140)='/dev/nbd#\x00', 0x0, 0x0) ioctl$NBD_CLEAR_SOCK(r2, 0xab04) ioctl$NBD_SET_SOCK(r0, 0xab03, 0xffffffffffffffff) syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x84800) [ 1942.333122] block nbd0: shutting down sockets 22:52:44 executing program 5: r0 = syz_open_dev$ndb(0x0, 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) ioctl$NBD_SET_TIMEOUT(r0, 0xab09, 0x6) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) ioctl$NBD_SET_SOCK(r0, 0xab03, 0xffffffffffffffff) [ 1942.359131] block nbd2: shutting down sockets [ 1942.373799] block nbd0: shutting down sockets [ 1942.389802] block nbd4: shutting down sockets [ 1942.416500] block nbd4: shutting down sockets 22:52:44 executing program 3: r0 = syz_open_dev$ndb(&(0x7f0000000000)='/dev/nbd#\x00', 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) ioctl$NBD_SET_TIMEOUT(r0, 0xab09, 0x6) ioctl$NBD_SET_SOCK(0xffffffffffffffff, 0xab00, r1) r2 = syz_open_dev$ndb(&(0x7f0000000140)='/dev/nbd#\x00', 0x0, 0x0) ioctl$NBD_CLEAR_SOCK(r2, 0xab04) ioctl$NBD_SET_SOCK(r0, 0xab03, 0xffffffffffffffff) 22:52:44 executing program 0: r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x569000) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = syz_open_dev$ndb(&(0x7f0000000140)='/dev/nbd#\x00', 0x0, 0x8400) ioctl$NBD_CLEAR_SOCK(r2, 0xab04) ioctl$NBD_SET_SOCK(r0, 0xab03, 0xffffffffffffffff) 22:52:45 executing program 2: r0 = syz_open_dev$ndb(&(0x7f0000000000)='/dev/nbd#\x00', 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = syz_open_dev$ndb(&(0x7f0000000140)='/dev/nbd#\x00', 0x0, 0x0) r3 = openat$fb0(0xffffffffffffff9c, &(0x7f0000000380)='/dev/fb0\x00', 0x0, 0x0) ioctl$BTRFS_IOC_RESIZE(r3, 0x50009403, 0x0) ioctl$BTRFS_IOC_SCRUB_PROGRESS(r1, 0xc400941d, &(0x7f0000000180)={0x0, 0x6, 0x7}) ioctl$BTRFS_IOC_SCRUB(r3, 0xc400941b, &(0x7f0000000580)={r4, 0x0, 0x4}) ioctl$NBD_CLEAR_SOCK(r2, 0xab04) ioctl$NBD_SET_SOCK(r0, 0xab03, 0xffffffffffffffff) 22:52:45 executing program 1: r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000000)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(0xffffffffffffffff, 0xab00, r1) r2 = syz_open_dev$ndb(&(0x7f0000000140)='/dev/nbd#\x00', 0x0, 0x8400) ioctl$NBD_SET_TIMEOUT(r2, 0xab09, 0x5) ioctl$NBD_CLEAR_SOCK(r2, 0xab04) ioctl$NBD_SET_SOCK(r0, 0xab03, 0xffffffffffffffff) [ 1942.448850] block nbd4: Could not allocate knbd recv work queue. 22:52:45 executing program 5: r0 = syz_open_dev$ndb(0x0, 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) ioctl$NBD_SET_TIMEOUT(r0, 0xab09, 0x6) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) ioctl$NBD_SET_SOCK(r0, 0xab03, 0xffffffffffffffff) 22:52:45 executing program 4: r0 = openat$dlm_control(0xffffffffffffff9c, &(0x7f0000000000)='/dev/dlm-control\x00', 0x0, 0x0) ioctl$SNDRV_PCM_IOCTL_XRUN(r0, 0x4148, 0x0) ioctl$SNDRV_PCM_IOCTL_XRUN(r0, 0x4148, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(0xffffffffffffffff, 0xab00, r1) syz_open_dev$ndb(&(0x7f0000000000)='/dev/nbd#\x00', 0x0, 0x260100) r2 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x200040) ioctl$NBD_SET_SIZE(r2, 0xab02, 0x6) r3 = syz_open_dev$ndb(&(0x7f0000000140)='/dev/nbd#\x00', 0x0, 0x410141) ioctl$NBD_CLEAR_SOCK(r3, 0xab04) ioctl$BTRFS_IOC_SCRUB(r0, 0xc400941b, &(0x7f0000000180)={0x0, 0x401, 0x6}) ioctl$NBD_SET_SOCK(0xffffffffffffffff, 0xab03, 0xffffffffffffffff) [ 1942.560033] block nbd2: shutting down sockets 22:52:45 executing program 3: r0 = syz_open_dev$ndb(&(0x7f0000000000)='/dev/nbd#\x00', 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) ioctl$NBD_SET_TIMEOUT(r0, 0xab09, 0x6) ioctl$NBD_SET_SOCK(0xffffffffffffffff, 0xab00, r1) r2 = syz_open_dev$ndb(&(0x7f0000000140)='/dev/nbd#\x00', 0x0, 0x0) ioctl$NBD_CLEAR_SOCK(r2, 0xab04) ioctl$NBD_SET_SOCK(r0, 0xab03, 0xffffffffffffffff) 22:52:45 executing program 5: r0 = syz_open_dev$ndb(0x0, 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) ioctl$NBD_SET_TIMEOUT(r0, 0xab09, 0x6) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) ioctl$NBD_SET_SOCK(r0, 0xab03, 0xffffffffffffffff) 22:52:45 executing program 1: r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000000)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(0xffffffffffffffff, 0xab00, r1) r2 = syz_open_dev$ndb(&(0x7f0000000140)='/dev/nbd#\x00', 0x0, 0x8400) ioctl$NBD_SET_TIMEOUT(r2, 0xab09, 0x5) ioctl$NBD_CLEAR_SOCK(r2, 0xab04) ioctl$NBD_SET_SOCK(r0, 0xab03, 0xffffffffffffffff) 22:52:45 executing program 0: r0 = syz_open_dev$ndb(&(0x7f00000000c0)='/dev/nbd#\x00', 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)) r1 = openat$dlm_control(0xffffffffffffff9c, &(0x7f0000000000)='/dev/dlm-control\x00', 0x0, 0x0) ioctl$SNDRV_PCM_IOCTL_XRUN(r1, 0x4148, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x8440) ioctl$NBD_CLEAR_SOCK(r2, 0xab04) ioctl$NBD_SET_SOCK(r0, 0xab03, 0xffffffffffffffff) [ 1942.615615] block nbd2: shutting down sockets 22:52:45 executing program 2: r0 = syz_open_dev$ndb(&(0x7f0000000000)='/dev/nbd#\x00', 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) r2 = socket$nl_generic(0x10, 0x3, 0x10) sendmsg$MPTCP_PM_CMD_SET_LIMITS(r2, &(0x7f0000000c80)={&(0x7f0000000bc0)={0x10, 0x0, 0x0, 0x20400000}, 0xc, &(0x7f0000000c40)={&(0x7f0000000c00)={0x14}, 0x14}}, 0x0) sendmsg$NBD_CMD_DISCONNECT(r2, &(0x7f0000000a40)={&(0x7f0000000100)={0x10, 0x0, 0x0, 0x80000000}, 0xc, &(0x7f0000000a00)={&(0x7f00000009c0)={0x40, 0x0, 0x400, 0x70bd29, 0x25dfdbfd, {}, [@NBD_ATTR_TIMEOUT={0xc, 0x4, 0x1ff}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x8}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x2}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x40}, 0x1, 0x0, 0x0, 0x40011}, 0x20000000) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r3 = syz_open_dev$ndb(&(0x7f0000000140)='/dev/nbd#\x00', 0x0, 0x0) ioctl$NBD_CLEAR_SOCK(r3, 0xab04) r4 = openat$dlm_control(0xffffffffffffff9c, &(0x7f0000000000)='/dev/dlm-control\x00', 0x0, 0x0) r5 = syz_open_dev$ndb(&(0x7f0000000a80)='/dev/nbd#\x00', 0x0, 0x200) ioctl$SNDRV_PCM_IOCTL_XRUN(0xffffffffffffffff, 0x4148, 0x0) ioctl$NBD_CLEAR_SOCK(0xffffffffffffffff, 0xab04) ioctl$NBD_SET_FLAGS(r5, 0xab0a, 0x3) ioctl$SNDRV_PCM_IOCTL_XRUN(r4, 0x4148, 0x0) r6 = openat$fb0(0xffffffffffffff9c, &(0x7f0000000380)='/dev/fb0\x00', 0x0, 0x0) ioctl$BTRFS_IOC_RESIZE(r6, 0x50009403, 0x0) ioctl$BTRFS_IOC_SCRUB_PROGRESS(r4, 0xc400941d, &(0x7f0000000180)={0x0, 0x1, 0xffffffffffffffc1, 0x1}) ioctl$BTRFS_IOC_GET_DEV_STATS(r6, 0xc4089434, &(0x7f0000000580)={r7, 0x4, 0x1, [0x1f, 0x2, 0x1000, 0xffffffffffff7fff, 0x2], [0x40815d6f, 0x4, 0x6, 0x91, 0x6, 0xff, 0x8, 0x6, 0x1, 0xe4, 0x5, 0x1, 0xfffffffffffffd73, 0x6, 0xffffffff, 0x261, 0x100000000000000, 0x6, 0x1, 0x1ff, 0x9, 0xda6f, 0x9, 0x6, 0xf13, 0x71, 0x3f, 0x7, 0x6, 0x4, 0x58, 0x100000001, 0x7, 0x7fffffff, 0x3, 0x5, 0x401, 0x7ff, 0x1f, 0x3, 0x28f, 0xfffffffffffffffb, 0x9, 0xd11c, 0x800, 0x0, 0x0, 0x4, 0x0, 0x0, 0x1, 0x7, 0xfff, 0x3, 0x0, 0x9, 0x709e, 0x2, 0x3, 0x3, 0x6cc, 0x4, 0x7fff, 0x9, 0x3a26, 0x1, 0x6, 0x2, 0x0, 0x72a, 0xfff, 0x100000000, 0x40, 0x81, 0x4, 0xd, 0x0, 0x6, 0x2, 0x2, 0xfff, 0x4, 0xfff, 0x8000, 0x81, 0x6b6930b2, 0x1, 0x8, 0x0, 0x40, 0xfffffffffffff801, 0x1, 0x9, 0x9, 0x4, 0x4, 0x6, 0x3a, 0x7, 0x6, 0x3, 0x3, 0x200, 0x0, 0x0, 0x7ff, 0x490, 0x7, 0xb46, 0x8, 0x5, 0xffff, 0x0, 0x6, 0x4, 0x101, 0x7, 0x2, 0x2, 0x8, 0x8000000000]}) ioctl$KVM_HAS_DEVICE_ATTR(r4, 0x4018aee3, &(0x7f00000000c0)={0x0, 0x7f, 0xb449, &(0x7f0000000080)=0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r0, 0xab03, 0xffffffffffffffff) [ 1942.886155] block nbd2: shutting down sockets 22:52:45 executing program 0: r0 = syz_open_dev$ndb(&(0x7f0000000000)='/dev/nbd#\x00', 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)) r1 = openat$dlm_control(0xffffffffffffff9c, &(0x7f0000000000)='/dev/dlm-control\x00', 0x0, 0x0) ioctl$SNDRV_PCM_IOCTL_XRUN(r1, 0x4148, 0x0) r2 = openat$dlm_control(0xffffffffffffff9c, &(0x7f0000000000)='/dev/dlm-control\x00', 0x0, 0x0) ioctl$SNDRV_PCM_IOCTL_XRUN(r2, 0x4148, 0x0) ioctl$NBD_CLEAR_QUE(r2, 0xab05) ioctl$BTRFS_IOC_SCRUB_PROGRESS(r1, 0xc400941d, &(0x7f00000004c0)={0x0, 0x0, 0xeb33, 0x1}) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r3 = syz_open_dev$ndb(&(0x7f0000000140)='/dev/nbd#\x00', 0x0, 0x8400) r4 = syz_genetlink_get_family_id$netlbl_mgmt(&(0x7f00000000c0)='NLBL_MGMT\x00') sendmsg$NLBL_MGMT_C_PROTOCOLS(r2, &(0x7f0000000480)={&(0x7f0000000080)={0x10, 0x0, 0x0, 0x40000}, 0xc, &(0x7f0000000100)={&(0x7f0000000400)={0x58, r4, 0x100, 0x70bd28, 0x25dfdbfd, {}, [@NLBL_MGMT_A_PROTOCOL={0x8, 0x2, 0x3}, @NLBL_MGMT_A_CLPDOI={0x8, 0xc, 0x1}, @NLBL_MGMT_A_CLPDOI={0x8, 0xc, 0x2}, @NLBL_MGMT_A_IPV4ADDR={0x8, 0x7, @dev={0xac, 0x14, 0x14, 0x2d}}, @NLBL_MGMT_A_IPV6MASK={0x14, 0x6, @loopback}, @NLBL_MGMT_A_IPV4ADDR={0x8, 0x7, @initdev={0xac, 0x1e, 0x1, 0x0}}, @NLBL_MGMT_A_PROTOCOL={0x8, 0x2, 0x3}]}, 0x58}, 0x1, 0x0, 0x0, 0x4000080}, 0x0) ioctl$NBD_CLEAR_SOCK(r3, 0xab04) ioctl$SNDRV_PCM_IOCTL_HW_PARAMS(r1, 0xc2604111, &(0x7f0000000180)={0x4, [[0xfff, 0x0, 0x3, 0xfffffffe, 0x7, 0xf4af, 0x100, 0x1], [0x3469, 0x1, 0x0, 0x4, 0x10001, 0xffffff6d, 0xffffffff, 0x2], [0x2, 0x8000, 0x8, 0x1, 0x47e, 0x6c8, 0x1, 0x7]], [], [{0x4, 0x5, 0x1, 0x1, 0x0, 0x1}, {0x8000, 0x0, 0x0, 0x0, 0x1, 0x1}, {0x7f, 0xd7, 0x0, 0x1, 0x1}, {0x1ff, 0x401, 0x1, 0x1}, {0x6, 0x400001, 0x1, 0x1}, {0x1fe, 0x0, 0x0, 0x0, 0x0, 0x1}, {0xffffff74, 0x0, 0x0, 0x1, 0x0, 0x1}, {0x200, 0xffff, 0x1, 0x1, 0x0, 0x1}, {0x4, 0x100, 0x1, 0x0, 0x1}, {0x3, 0x7fff, 0x1, 0x1}, {0x0, 0x200, 0x1, 0x1, 0x1, 0x1}, {0x9, 0x5, 0x0, 0x0, 0x0, 0x1}]}) ioctl$NBD_SET_SOCK(r0, 0xab03, 0xffffffffffffffff) 22:52:45 executing program 1: r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000000)) ioctl$NBD_SET_SOCK(r0, 0xab00, 0xffffffffffffffff) r1 = syz_open_dev$ndb(&(0x7f0000000140)='/dev/nbd#\x00', 0x0, 0x8400) ioctl$NBD_SET_TIMEOUT(r1, 0xab09, 0x5) ioctl$NBD_CLEAR_SOCK(r1, 0xab04) ioctl$NBD_SET_SOCK(r0, 0xab03, 0xffffffffffffffff) 22:52:45 executing program 3: r0 = syz_open_dev$ndb(&(0x7f0000000000)='/dev/nbd#\x00', 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)) ioctl$NBD_SET_TIMEOUT(r0, 0xab09, 0x6) ioctl$NBD_SET_SOCK(r0, 0xab00, 0xffffffffffffffff) r1 = syz_open_dev$ndb(&(0x7f0000000140)='/dev/nbd#\x00', 0x0, 0x0) ioctl$NBD_CLEAR_SOCK(r1, 0xab04) ioctl$NBD_SET_SOCK(r0, 0xab03, 0xffffffffffffffff) 22:52:45 executing program 4: r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0xf6d80) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000000)={0xffffffffffffffff}) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f00000000c0)) r2 = openat$dlm_control(0xffffffffffffff9c, &(0x7f0000000100)='/dev/dlm-control\x00', 0x250000, 0x0) ioctl$NBD_SET_SOCK(r2, 0xab00, r1) r3 = syz_open_dev$ndb(&(0x7f0000000140)='/dev/nbd#\x00', 0x0, 0x0) ioctl$NBD_CLEAR_SOCK(r3, 0xab04) ioctl$NBD_SET_SOCK(r0, 0xab03, 0xffffffffffffffff) 22:52:45 executing program 5: r0 = syz_open_dev$ndb(&(0x7f0000000000)='/dev/nbd#\x00', 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, 0x0) ioctl$NBD_SET_TIMEOUT(r0, 0xab09, 0x6) ioctl$NBD_SET_SOCK(r0, 0xab00, 0xffffffffffffffff) ioctl$NBD_SET_SOCK(r0, 0xab03, 0xffffffffffffffff) [ 1942.982544] block nbd2: shutting down sockets 22:52:45 executing program 2: r0 = getuid() r1 = getuid() syz_mount_image$ubifs(&(0x7f0000000000)='ubifs\x00', &(0x7f00000000c0)='./file0\x00', 0x9, 0x7, &(0x7f0000000540)=[{&(0x7f0000000180)="352db0377458e809612535693bfb6ccbce7fd6447b65b6312f9b58563254e1c4accc45b318d65739217e294c1f6bda5c81707658028cddc6a5fcc643deb1207e3c46d74a241df45d4ac686502941d58a307bbbbbaf401e1a5b15d07b354c4d65ea3e407664df0f281206d5982d3d223b450ef71e5c2163965d04aa9ac76addd139d784925cb3487920b918f1c47bab993180fdd213cc0cae6adcc3b2e0048782816bab8bb9db944303782f7e7b6e646a61848771c4207cfd2cc2f9fb645a23e6456f", 0xc2, 0x2}, {&(0x7f0000000100)="611c60e007b94e845d4f29ac83bbcf31de5e7ce01ea18a7f5a0407dcc5a888d3d92b3d88d9935873fc154fb75faf", 0x2e}, {&(0x7f0000000280)="82b9926f9652c57c4e82fdbad74791c612577e69efd98790cdf0cc7bc769b20c98ecbd98f5f33cb9098bdf5457b7cbb2759b7eeade53dfc85880432331a5fdd32283e0492f16e50982948dd5a77ce3067d840975bfdaec5fd09491756f1914c8f9d92fcf921ffbb5eda15c3b", 0x6c, 0x1}, {&(0x7f0000000300)="49839a89c7206cf936130b11fd9845a48a7e71876b1e9f13a921", 0x1a, 0x2}, {&(0x7f0000000340)="81903bd93e2ec520ae41b3425c04450bd21478ba55fb04c1472eff5a91aecfa1c1ba8a3f5824c16ce1c95a080568f4e4", 0x30, 0x3f}, {&(0x7f0000000380)="b480415a360abc446cd57c979606e2fff0f143cac23a988dad9f49b177b591d352e25c5395035d56dd77b058fd7a1138dedb419104ee8a6a34fce447e34aa3a844a025ef8a2554e643de0c2f3e961d12df4c38fde4207cc225078a92797dd55d0ac2c9b47bfda54ba07ec3796648fee312298f3ae081b7fef0275988ecd23324637ec691cb07bed82cf4068996f05fa81e04dcc9b3b2baad3432d56931b9c7dfab158094c85806130e85b2e61d3db492fa95a9211e865ffd9c71e10042eb23823377ec591ab51be280fe6531c49cdaedff5985d72721657aa6ad2f3688f54b70d88289cc8d8001c6815497d5b111d53d7d7a4dc07bec1017", 0xf8, 0x8}, {&(0x7f0000000480)="040e067d444a77eb026b6bc7b788b490a4bf1e5d12940d8f4fa11f1df5b74f1fd4c46c9dddfb43376ba179acf71b547843b3566adfd401aee910b80cf35b75a990b34d3fabf38875fb2e5578e274a5449e0d9fc30c35f9a5b5819c8deb5d9fb37ef3e6068682416fa56ea8c25ac357db523d29635334d501ad2866264b4d3f743b6cebbde8aedd9707b650d76a85562ae01fd0007f233a", 0x97, 0x8}], 0x38086, &(0x7f0000000600)={[{@bulk_read='bulk_read'}], [{@fowner_eq={'fowner'}}, {@audit='audit'}, {@fowner_gt={'fowner>', r0}}, {@subj_user={'subj_user'}}, {@fsuuid={'fsuuid', 0x3d, {[0x61, 0x38, 0x66, 0x31, 0x31, 0x37, 0x38, 0x34], 0x2d, [0x63, 0x37, 0x64, 0x61], 0x2d, [0x30, 0x61, 0x64, 0x66], 0x2d, [0x64, 0x55, 0x34, 0x61], 0x2d, [0x64, 0x39, 0x35, 0x66, 0x0, 0x33, 0x66, 0x33]}}}, {@pcr={'pcr', 0x3d, 0x1b}}, {@obj_type={'obj_type', 0x3d, '/dev/nbd#\x00'}}, {@hash='hash'}, {@uid_gt={'uid>', r1}}]}) r2 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x10000) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r2, 0xab00, r3) r4 = syz_open_dev$ndb(&(0x7f0000000140)='/dev/nbd#\x00', 0x0, 0x0) ioctl$NBD_CLEAR_SOCK(r4, 0xab04) ioctl$NBD_SET_SOCK(r2, 0xab03, 0xffffffffffffffff) 22:52:45 executing program 3: r0 = syz_open_dev$ndb(&(0x7f0000000000)='/dev/nbd#\x00', 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)) ioctl$NBD_SET_TIMEOUT(r0, 0xab09, 0x6) ioctl$NBD_SET_SOCK(r0, 0xab00, 0xffffffffffffffff) r1 = syz_open_dev$ndb(&(0x7f0000000140)='/dev/nbd#\x00', 0x0, 0x0) ioctl$NBD_CLEAR_SOCK(r1, 0xab04) ioctl$NBD_SET_SOCK(r0, 0xab03, 0xffffffffffffffff) 22:52:45 executing program 1: r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000000)) ioctl$NBD_SET_SOCK(r0, 0xab00, 0xffffffffffffffff) r1 = syz_open_dev$ndb(&(0x7f0000000140)='/dev/nbd#\x00', 0x0, 0x8400) ioctl$NBD_SET_TIMEOUT(r1, 0xab09, 0x5) ioctl$NBD_CLEAR_SOCK(r1, 0xab04) ioctl$NBD_SET_SOCK(r0, 0xab03, 0xffffffffffffffff) 22:52:45 executing program 4: r0 = syz_open_dev$ndb(&(0x7f0000000000)='/dev/nbd#\x00', 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) r2 = openat$dlm_control(0xffffffffffffff9c, &(0x7f0000000180)='/dev/dlm-control\x00', 0x8000, 0x0) ioctl$DRM_IOCTL_MODE_DESTROYPROPBLOB(r2, 0xc00464be, &(0x7f00000001c0)={0x2}) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r3 = syz_open_dev$ndb(&(0x7f00000000c0)='/dev/nbd#\x00', 0x0, 0x301000) ioctl$NBD_CLEAR_SOCK(r3, 0xab04) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000200)) r4 = openat$dlm_control(0xffffffffffffff9c, &(0x7f0000000080)='/dev/dlm-control\x00', 0x12001, 0x0) socket$inet_sctp(0x2, 0x1, 0x84) write$FUSE_NOTIFY_POLL(r4, &(0x7f0000000140)={0x18, 0x1, 0x0, {0x337d}}, 0x18) ioctl$SNDCTL_TMR_TEMPO(r4, 0xc0045405, &(0x7f0000000100)=0xc8) 22:52:45 executing program 0: r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x135043) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = socket$nl_generic(0x10, 0x3, 0x10) sendmsg$MPTCP_PM_CMD_SET_LIMITS(r2, &(0x7f0000000c80)={&(0x7f0000000bc0)={0x10, 0x0, 0x0, 0x20400000}, 0xc, &(0x7f0000000c40)={&(0x7f0000000c00)={0x14}, 0x14}}, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000100)={0xffffffffffffffff}) sendmsg$NBD_CMD_DISCONNECT(r2, &(0x7f0000000240)={&(0x7f00000000c0)={0x10, 0x0, 0x0, 0x1}, 0xc, &(0x7f0000000200)={&(0x7f0000000180)={0x64, 0x0, 0x100, 0x70bd28, 0x25dfdbfc, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x2}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x8}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8, 0x1, r3}]}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x1}]}, 0x64}, 0x1, 0x0, 0x0, 0x4000001}, 0x8004080) ioctl$SNDCTL_SEQ_OUTOFBAND(0xffffffffffffffff, 0x40085112, &(0x7f0000000000)=@e={0xff, 0xc, 0xa, 0x1, @SEQ_NOTEON=@note=0x53, 0x2, 0x8, 0x3}) r4 = syz_open_dev$ndb(&(0x7f0000000140)='/dev/nbd#\x00', 0x0, 0x8400) ioctl$NBD_CLEAR_SOCK(r4, 0xab04) ioctl$NBD_SET_SOCK(r0, 0xab03, 0xffffffffffffffff) 22:52:45 executing program 5: r0 = syz_open_dev$ndb(&(0x7f0000000000)='/dev/nbd#\x00', 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, 0x0) ioctl$NBD_SET_TIMEOUT(r0, 0xab09, 0x6) ioctl$NBD_SET_SOCK(r0, 0xab00, 0xffffffffffffffff) ioctl$NBD_SET_SOCK(r0, 0xab03, 0xffffffffffffffff) 22:52:45 executing program 3: r0 = syz_open_dev$ndb(&(0x7f0000000000)='/dev/nbd#\x00', 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)) ioctl$NBD_SET_TIMEOUT(r0, 0xab09, 0x6) ioctl$NBD_SET_SOCK(r0, 0xab00, 0xffffffffffffffff) r1 = syz_open_dev$ndb(&(0x7f0000000140)='/dev/nbd#\x00', 0x0, 0x0) ioctl$NBD_CLEAR_SOCK(r1, 0xab04) ioctl$NBD_SET_SOCK(r0, 0xab03, 0xffffffffffffffff) [ 1943.227771] block nbd4: shutting down sockets 22:52:45 executing program 1: r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000000)) ioctl$NBD_SET_SOCK(r0, 0xab00, 0xffffffffffffffff) r1 = syz_open_dev$ndb(&(0x7f0000000140)='/dev/nbd#\x00', 0x0, 0x8400) ioctl$NBD_SET_TIMEOUT(r1, 0xab09, 0x5) ioctl$NBD_CLEAR_SOCK(r1, 0xab04) ioctl$NBD_SET_SOCK(r0, 0xab03, 0xffffffffffffffff) 22:52:45 executing program 2: r0 = syz_open_dev$ndb(&(0x7f0000000000)='/dev/nbd#\x00', 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) r2 = openat$dlm_control(0xffffffffffffff9c, &(0x7f0000000000)='/dev/dlm-control\x00', 0x0, 0x0) ioctl$SNDRV_PCM_IOCTL_XRUN(r2, 0x4148, 0x0) r3 = socket$vsock_dgram(0x28, 0x2, 0x0) connect$vsock_dgram(r3, &(0x7f0000000080)={0x28, 0x0, 0xffffffff, @my=0x0}, 0x10) syz_open_dev$ndb(&(0x7f00000000c0)='/dev/nbd#\x00', 0x0, 0x40040) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r4 = syz_open_dev$ndb(&(0x7f0000000140)='/dev/nbd#\x00', 0x0, 0x0) ioctl$NBD_CLEAR_SOCK(r4, 0xab04) r5 = openat$dlm_control(0xffffffffffffff9c, &(0x7f0000000000)='/dev/dlm-control\x00', 0x0, 0x0) ioctl$SNDRV_PCM_IOCTL_XRUN(r5, 0x4148, 0x0) ioctl$NBD_SET_SIZE(r5, 0xab02, 0x4) ioctl$NBD_SET_SOCK(r0, 0xab03, 0xffffffffffffffff) [ 1943.252148] block nbd4: shutting down sockets 22:52:45 executing program 5: r0 = syz_open_dev$ndb(&(0x7f0000000000)='/dev/nbd#\x00', 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, 0x0) ioctl$NBD_SET_TIMEOUT(r0, 0xab09, 0x6) ioctl$NBD_SET_SOCK(r0, 0xab00, 0xffffffffffffffff) ioctl$NBD_SET_SOCK(r0, 0xab03, 0xffffffffffffffff) 22:52:45 executing program 3: r0 = syz_open_dev$ndb(&(0x7f0000000000)='/dev/nbd#\x00', 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) ioctl$NBD_SET_TIMEOUT(r0, 0xab09, 0x6) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = syz_open_dev$ndb(0x0, 0x0, 0x0) ioctl$NBD_CLEAR_SOCK(r2, 0xab04) ioctl$NBD_SET_SOCK(r0, 0xab03, 0xffffffffffffffff) 22:52:45 executing program 0: r0 = syz_open_dev$ndb(&(0x7f0000000000)='/dev/nbd#\x00', 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = syz_open_dev$ndb(&(0x7f0000000140)='/dev/nbd#\x00', 0x0, 0x8400) ioctl$NBD_CLEAR_SOCK(r2, 0xab04) ioctl$NBD_SET_SOCK(r0, 0xab03, 0xffffffffffffffff) r3 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x802) ioctl$NBD_CLEAR_SOCK(r3, 0xab04) 22:52:45 executing program 4: r0 = syz_open_dev$ndb(&(0x7f0000000000)='/dev/nbd#\x00', 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = syz_open_dev$ndb(&(0x7f0000000140)='/dev/nbd#\x00', 0x0, 0x0) ioctl$NBD_CLEAR_SOCK(r2, 0xab04) ioctl$NBD_SET_SOCK(r0, 0xab03, 0xffffffffffffffff) r3 = openat$ion(0xffffffffffffff9c, &(0x7f0000000080)='/dev/ion\x00', 0x800, 0x0) ioctl$BTRFS_IOC_GET_DEV_STATS(r3, 0xc4089434, &(0x7f0000000180)={0x0, 0x101, 0x0, [0x3, 0x4, 0x1, 0x6, 0x8001], [0x1, 0x7046, 0x1f, 0x20, 0x1000, 0x4, 0x401, 0x3, 0x100, 0xfffffffffffffffa, 0xffffffffffffffe3, 0xf91, 0x8, 0x5, 0x463, 0xad, 0x2, 0x7ff, 0xbed6, 0x0, 0x5, 0x9, 0xffff, 0x2, 0xfffffffffffffff2, 0x2, 0x5, 0x6, 0x9, 0x100, 0xee, 0x10001, 0x6, 0x1, 0x80, 0x400, 0xffff, 0x8, 0x800, 0x1, 0x7, 0x400000000000, 0xfffffffffffffc00, 0x0, 0xffffffff, 0x8, 0x3, 0x7, 0x3, 0x401, 0xff, 0x10001, 0x7, 0xde99, 0xafc, 0x4, 0x0, 0xfffffffffffffffe, 0x3, 0x3f, 0x1, 0x3a, 0xff, 0xd0a2, 0x0, 0x8001, 0xe, 0x1, 0x2, 0x5, 0x3, 0x0, 0x7, 0x200, 0x4, 0xfffffffffffffff8, 0xa4, 0x7f, 0x1000, 0x7fff, 0x1, 0x2, 0x7, 0x100000000, 0x0, 0xfffffffffffffff9, 0x4, 0x25c1, 0x3, 0x9, 0x6, 0x5, 0x8, 0x9, 0x7f, 0x3, 0x9, 0xd9a, 0x14e1, 0xffffffff00000001, 0xf5, 0x1, 0x101, 0x2, 0x6, 0xd01, 0x18536843, 0x7, 0x1, 0xb01, 0x7, 0x1000, 0xfffffffffffffffe, 0x2, 0x0, 0x8, 0x89, 0x8, 0x9, 0x826f, 0x3]}) [ 1943.344665] block nbd2: shutting down sockets 22:52:45 executing program 1: r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000000)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = syz_open_dev$ndb(0x0, 0x0, 0x8400) ioctl$NBD_SET_TIMEOUT(r2, 0xab09, 0x5) ioctl$NBD_CLEAR_SOCK(r2, 0xab04) ioctl$NBD_SET_SOCK(r0, 0xab03, 0xffffffffffffffff) 22:52:45 executing program 5: r0 = syz_open_dev$ndb(&(0x7f0000000000)='/dev/nbd#\x00', 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) ioctl$NBD_SET_TIMEOUT(0xffffffffffffffff, 0xab09, 0x6) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) ioctl$NBD_SET_SOCK(r0, 0xab03, 0xffffffffffffffff) [ 1943.384535] block nbd2: shutting down sockets [ 1943.399700] block nbd0: shutting down sockets 22:52:46 executing program 2: r0 = syz_open_dev$ndb(&(0x7f0000000000)='/dev/nbd#\x00', 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = syz_open_dev$ndb(&(0x7f00000000c0)='/dev/nbd#\x00', 0x0, 0x410200) ioctl$NBD_CLEAR_SOCK(r2, 0xab04) ioctl$NBD_SET_SIZE(r2, 0xab02, 0x9) r3 = socket$nl_generic(0x10, 0x3, 0x10) sendmsg$MPTCP_PM_CMD_SET_LIMITS(r3, &(0x7f0000000c80)={&(0x7f0000000bc0)={0x10, 0x0, 0x0, 0x20400000}, 0xc, &(0x7f0000000c40)={&(0x7f0000000c00)={0x14}, 0x14}}, 0x0) sendmsg$NLBL_MGMT_C_PROTOCOLS(r3, &(0x7f0000000200)={&(0x7f0000000100), 0xc, &(0x7f00000001c0)={&(0x7f0000000140)={0x50, 0x0, 0x1, 0x70bd2c, 0x25dfdbfc, {}, [@NLBL_MGMT_A_CLPDOI={0x8, 0xc, 0x1}, @NLBL_MGMT_A_DOMAIN={0x5, 0x1, '\x00'}, @NLBL_MGMT_A_IPV6ADDR={0x14, 0x5, @local}, @NLBL_MGMT_A_IPV4MASK={0x8, 0x8, @multicast2}, @NLBL_MGMT_A_FAMILY={0x6, 0xb, 0xb}, @NLBL_MGMT_A_FAMILY={0x6, 0xb, 0x2c}]}, 0x50}, 0x1, 0x0, 0x0, 0xc000}, 0x80) ioctl$NBD_SET_SOCK(r0, 0xab03, 0xffffffffffffffff) syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x101001) [ 1943.427410] block nbd4: shutting down sockets [ 1943.446760] block nbd0: shutting down sockets [ 1943.451876] block nbd4: shutting down sockets [ 1943.452610] block nbd0: Could not allocate knbd recv work queue. 22:52:46 executing program 4: r0 = openat$sequencer2(0xffffffffffffff9c, &(0x7f0000000080)='/dev/sequencer2\x00', 0x100, 0x0) r1 = syz_genetlink_get_family_id$netlbl_unlabel(&(0x7f0000000100)='NLBL_UNLBL\x00') sendmsg$NLBL_UNLABEL_C_STATICLISTDEF(r0, &(0x7f0000000240)={&(0x7f00000000c0)={0x10, 0x0, 0x0, 0x1202100}, 0xc, &(0x7f0000000200)={&(0x7f0000000180)={0x54, r1, 0x200, 0x70bd2d, 0x25dfdbfc, {}, [@NLBL_UNLABEL_A_IPV4MASK={0x8, 0x5, @multicast2}, @NLBL_UNLABEL_A_ACPTFLG={0x5}, @NLBL_UNLABEL_A_IPV4ADDR={0x8, 0x4, @private=0xa010102}, @NLBL_UNLABEL_A_IPV6MASK={0x14, 0x3, @mcast1}, @NLBL_UNLABEL_A_IPV6ADDR={0x14, 0x2, @private1={0xfc, 0x1, [], 0x1}}]}, 0x54}, 0x1, 0x0, 0x0, 0x801}, 0x4) r2 = syz_open_dev$ndb(&(0x7f0000000000)='/dev/nbd#\x00', 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r2, 0xab00, r3) r4 = syz_open_dev$ndb(&(0x7f0000000140)='/dev/nbd#\x00', 0x0, 0x0) ioctl$NBD_CLEAR_SOCK(r4, 0xab04) ioctl$NBD_SET_SOCK(r2, 0xab03, 0xffffffffffffffff) r5 = syz_genetlink_get_family_id$nbd(&(0x7f00000002c0)='nbd\x00') socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000300)={0xffffffffffffffff}) r7 = openat$dlm_control(0xffffffffffffff9c, &(0x7f0000000000)='/dev/dlm-control\x00', 0x0, 0x0) ioctl$SNDRV_PCM_IOCTL_XRUN(r7, 0x4148, 0x0) r8 = openat$dlm_control(0xffffffffffffff9c, &(0x7f0000000000)='/dev/dlm-control\x00', 0x0, 0x0) ioctl$SNDRV_PCM_IOCTL_XRUN(r8, 0x4148, 0x0) r9 = openat$dlm_control(0xffffffffffffff9c, &(0x7f0000000000)='/dev/dlm-control\x00', 0x0, 0x0) ioctl$SNDRV_PCM_IOCTL_XRUN(r9, 0x4148, 0x0) r10 = openat$dlm_control(0xffffffffffffff9c, &(0x7f0000000000)='/dev/dlm-control\x00', 0x0, 0x0) ioctl$SNDRV_PCM_IOCTL_XRUN(r10, 0x4148, 0x0) sendmsg$NBD_CMD_RECONFIGURE(0xffffffffffffffff, &(0x7f0000000440)={&(0x7f0000000280)={0x10, 0x0, 0x0, 0x1}, 0xc, &(0x7f0000000400)={&(0x7f0000000340)={0xb4, r5, 0x300, 0x70bd2d, 0x25dfdbfc, {}, [@NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8, 0x1, r6}]}, @NBD_ATTR_SOCKETS={0x3c, 0x7, 0x0, 0x1, [{0x8, 0x1, r7}, {0x8, 0x1, r3}, {0x8, 0x1, r3}, {0x8, 0x1, r8}, {0x8, 0x1, r3}, {0x8, 0x1, r9}, {0x8, 0x1, r3}]}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x2fb}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x3}, @NBD_ATTR_CLIENT_FLAGS={0xc}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x1}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x200}, @NBD_ATTR_SOCKETS={0x1c, 0x7, 0x0, 0x1, [{0x8, 0x1, r10}, {0x8, 0x1, r3}, {0x8, 0x1, r3}]}]}, 0xb4}, 0x1, 0x0, 0x0, 0x94}, 0x4001) 22:52:46 executing program 0: r0 = syz_open_dev$ndb(&(0x7f0000000000)='/dev/nbd#\x00', 0x0, 0x0) ioctl$NBD_SET_SIZE(r0, 0xab02, 0x9) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = syz_open_dev$ndb(&(0x7f0000000140)='/dev/nbd#\x00', 0x0, 0x8400) ioctl$NBD_SET_SOCK(r2, 0xab00, r1) openat$dlm_control(0xffffffffffffff9c, &(0x7f00000000c0)='/dev/dlm-control\x00', 0x22000, 0x0) r3 = openat$dlm_control(0xffffffffffffff9c, &(0x7f0000000000)='/dev/dlm-control\x00', 0x0, 0x0) ioctl$SNDRV_PCM_IOCTL_XRUN(r3, 0x4148, 0x0) sendmsg$NBD_CMD_RECONFIGURE(0xffffffffffffffff, &(0x7f0000000180)={&(0x7f0000000080)={0x10, 0x0, 0x0, 0x8000}, 0xc, &(0x7f0000000100)={&(0x7f0000000240)={0x48, 0x0, 0x4, 0x70bd27, 0x25dfdbfc, {}, [@NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x8a}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0xff}]}, 0x48}}, 0x4000054) ioctl$NBD_CLEAR_SOCK(r2, 0xab04) ioctl$NBD_SET_SOCK(r0, 0xab03, 0xffffffffffffffff) [ 1943.615606] block nbd4: shutting down sockets 22:52:46 executing program 4: r0 = syz_open_dev$ndb(&(0x7f0000000000)='/dev/nbd#\x00', 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000140)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) getsockname$packet(0xffffffffffffffff, &(0x7f0000000080)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @dev}, &(0x7f00000000c0)=0x14) r2 = syz_open_dev$ndb(&(0x7f0000000040)='/dev/nbd#\x00', 0x0, 0x0) ioctl$NBD_CLEAR_SOCK(r2, 0xab04) ioctl$NBD_SET_SOCK(r0, 0xab03, 0xffffffffffffffff) 22:52:46 executing program 0: r0 = openat$sequencer2(0xffffffffffffff9c, &(0x7f0000000080)='/dev/sequencer2\x00', 0x100, 0x0) r1 = syz_genetlink_get_family_id$netlbl_unlabel(&(0x7f0000000100)='NLBL_UNLBL\x00') sendmsg$NLBL_UNLABEL_C_STATICLISTDEF(r0, &(0x7f0000000240)={&(0x7f00000000c0)={0x10, 0x0, 0x0, 0x1202100}, 0xc, &(0x7f0000000200)={&(0x7f0000000180)={0x54, r1, 0x200, 0x70bd2d, 0x25dfdbfc, {}, [@NLBL_UNLABEL_A_IPV4MASK={0x8, 0x5, @multicast2}, @NLBL_UNLABEL_A_ACPTFLG={0x5}, @NLBL_UNLABEL_A_IPV4ADDR={0x8, 0x4, @private=0xa010102}, @NLBL_UNLABEL_A_IPV6MASK={0x14, 0x3, @mcast1}, @NLBL_UNLABEL_A_IPV6ADDR={0x14, 0x2, @private1={0xfc, 0x1, [], 0x1}}]}, 0x54}, 0x1, 0x0, 0x0, 0x801}, 0x4) r2 = syz_open_dev$ndb(&(0x7f0000000000)='/dev/nbd#\x00', 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r2, 0xab00, r3) r4 = syz_open_dev$ndb(&(0x7f0000000140)='/dev/nbd#\x00', 0x0, 0x0) ioctl$NBD_CLEAR_SOCK(r4, 0xab04) ioctl$NBD_SET_SOCK(r2, 0xab03, 0xffffffffffffffff) r5 = syz_genetlink_get_family_id$nbd(&(0x7f00000002c0)='nbd\x00') socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000300)={0xffffffffffffffff}) r7 = openat$dlm_control(0xffffffffffffff9c, &(0x7f0000000000)='/dev/dlm-control\x00', 0x0, 0x0) ioctl$SNDRV_PCM_IOCTL_XRUN(r7, 0x4148, 0x0) r8 = openat$dlm_control(0xffffffffffffff9c, &(0x7f0000000000)='/dev/dlm-control\x00', 0x0, 0x0) ioctl$SNDRV_PCM_IOCTL_XRUN(r8, 0x4148, 0x0) r9 = openat$dlm_control(0xffffffffffffff9c, &(0x7f0000000000)='/dev/dlm-control\x00', 0x0, 0x0) ioctl$SNDRV_PCM_IOCTL_XRUN(r9, 0x4148, 0x0) r10 = openat$dlm_control(0xffffffffffffff9c, &(0x7f0000000000)='/dev/dlm-control\x00', 0x0, 0x0) ioctl$SNDRV_PCM_IOCTL_XRUN(r10, 0x4148, 0x0) sendmsg$NBD_CMD_RECONFIGURE(0xffffffffffffffff, &(0x7f0000000440)={&(0x7f0000000280)={0x10, 0x0, 0x0, 0x1}, 0xc, &(0x7f0000000400)={&(0x7f0000000340)={0xb4, r5, 0x300, 0x70bd2d, 0x25dfdbfc, {}, [@NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8, 0x1, r6}]}, @NBD_ATTR_SOCKETS={0x3c, 0x7, 0x0, 0x1, [{0x8, 0x1, r7}, {0x8, 0x1, r3}, {0x8, 0x1, r3}, {0x8, 0x1, r8}, {0x8, 0x1, r3}, {0x8, 0x1, r9}, {0x8, 0x1, r3}]}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x2fb}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x3}, @NBD_ATTR_CLIENT_FLAGS={0xc}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x1}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x200}, @NBD_ATTR_SOCKETS={0x1c, 0x7, 0x0, 0x1, [{0x8, 0x1, r10}, {0x8, 0x1, r3}, {0x8, 0x1, r3}]}]}, 0xb4}, 0x1, 0x0, 0x0, 0x94}, 0x4001) [ 1943.670937] block nbd0: shutting down sockets [ 1943.681186] block nbd0: server does not support multiple connections per device. [ 1943.681257] block nbd4: shutting down sockets [ 1943.696042] block nbd0: shutting down sockets 22:52:46 executing program 0: r0 = openat$sequencer2(0xffffffffffffff9c, &(0x7f0000000080)='/dev/sequencer2\x00', 0x100, 0x0) r1 = syz_genetlink_get_family_id$netlbl_unlabel(&(0x7f0000000100)='NLBL_UNLBL\x00') sendmsg$NLBL_UNLABEL_C_STATICLISTDEF(r0, &(0x7f0000000240)={&(0x7f00000000c0)={0x10, 0x0, 0x0, 0x1202100}, 0xc, &(0x7f0000000200)={&(0x7f0000000180)={0x54, r1, 0x200, 0x70bd2d, 0x25dfdbfc, {}, [@NLBL_UNLABEL_A_IPV4MASK={0x8, 0x5, @multicast2}, @NLBL_UNLABEL_A_ACPTFLG={0x5}, @NLBL_UNLABEL_A_IPV4ADDR={0x8, 0x4, @private=0xa010102}, @NLBL_UNLABEL_A_IPV6MASK={0x14, 0x3, @mcast1}, @NLBL_UNLABEL_A_IPV6ADDR={0x14, 0x2, @private1={0xfc, 0x1, [], 0x1}}]}, 0x54}, 0x1, 0x0, 0x0, 0x801}, 0x4) r2 = syz_open_dev$ndb(&(0x7f0000000000)='/dev/nbd#\x00', 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r2, 0xab00, r3) r4 = syz_open_dev$ndb(&(0x7f0000000140)='/dev/nbd#\x00', 0x0, 0x0) ioctl$NBD_CLEAR_SOCK(r4, 0xab04) ioctl$NBD_SET_SOCK(r2, 0xab03, 0xffffffffffffffff) r5 = syz_genetlink_get_family_id$nbd(&(0x7f00000002c0)='nbd\x00') socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000300)={0xffffffffffffffff}) r7 = openat$dlm_control(0xffffffffffffff9c, &(0x7f0000000000)='/dev/dlm-control\x00', 0x0, 0x0) ioctl$SNDRV_PCM_IOCTL_XRUN(r7, 0x4148, 0x0) r8 = openat$dlm_control(0xffffffffffffff9c, &(0x7f0000000000)='/dev/dlm-control\x00', 0x0, 0x0) ioctl$SNDRV_PCM_IOCTL_XRUN(r8, 0x4148, 0x0) r9 = openat$dlm_control(0xffffffffffffff9c, &(0x7f0000000000)='/dev/dlm-control\x00', 0x0, 0x0) ioctl$SNDRV_PCM_IOCTL_XRUN(r9, 0x4148, 0x0) r10 = openat$dlm_control(0xffffffffffffff9c, &(0x7f0000000000)='/dev/dlm-control\x00', 0x0, 0x0) ioctl$SNDRV_PCM_IOCTL_XRUN(r10, 0x4148, 0x0) sendmsg$NBD_CMD_RECONFIGURE(0xffffffffffffffff, &(0x7f0000000440)={&(0x7f0000000280)={0x10, 0x0, 0x0, 0x1}, 0xc, &(0x7f0000000400)={&(0x7f0000000340)={0xb4, r5, 0x300, 0x70bd2d, 0x25dfdbfc, {}, [@NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8, 0x1, r6}]}, @NBD_ATTR_SOCKETS={0x3c, 0x7, 0x0, 0x1, [{0x8, 0x1, r7}, {0x8, 0x1, r3}, {0x8, 0x1, r3}, {0x8, 0x1, r8}, {0x8, 0x1, r3}, {0x8, 0x1, r9}, {0x8, 0x1, r3}]}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x2fb}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x3}, @NBD_ATTR_CLIENT_FLAGS={0xc}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x1}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x200}, @NBD_ATTR_SOCKETS={0x1c, 0x7, 0x0, 0x1, [{0x8, 0x1, r10}, {0x8, 0x1, r3}, {0x8, 0x1, r3}]}]}, 0xb4}, 0x1, 0x0, 0x0, 0x94}, 0x4001) [ 1943.782425] block nbd0: shutting down sockets [ 1943.788443] block nbd4: shutting down sockets [ 1943.808196] block nbd4: shutting down sockets 22:52:46 executing program 4: r0 = syz_open_dev$ndb(&(0x7f0000000000)='/dev/nbd#\x00', 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x800) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) ioctl$BTRFS_IOC_BALANCE_V2(r1, 0xc4009420, &(0x7f0000000180)={0x10, 0x2, {0x6b7f, @struct={0xf68, 0x80000000}, 0x0, 0x8, 0x9, 0x382c000000000000, 0x9, 0xc2c, 0x2, @struct={0xe78, 0x3}, 0x6, 0xd5d7, [0xfffffffffffff20c, 0x7, 0x635e, 0x0, 0x100000001, 0x1f]}, {0x3, @struct={0xf6a3, 0x100}, 0x0, 0x3ff, 0x2567, 0x9, 0x96, 0xbd41, 0x52, @struct={0x9, 0x9755}, 0x2, 0x5ecd5ac6, [0x6, 0x1ff, 0x5, 0x684, 0x7f, 0x9]}, {0x100, @struct={0x2, 0x5}, 0x0, 0x5, 0xfffffffffffffffa, 0x9, 0x5, 0x30000000000, 0x10, @struct={0x200, 0x7f}, 0x9, 0x7fffffff, [0x5, 0xeccd, 0x1, 0x5, 0x8, 0xfffffffffffffffc]}, {0x9, 0x1, 0x8}}) r2 = syz_open_dev$ndb(&(0x7f0000000140)='/dev/nbd#\x00', 0x0, 0x0) ioctl$NBD_CLEAR_SOCK(r2, 0xab04) ioctl$NBD_SET_SOCK(r0, 0xab03, 0xffffffffffffffff) [ 1943.876627] block nbd0: shutting down sockets [ 1943.921622] block nbd4: shutting down sockets [ 1943.944494] block nbd4: shutting down sockets 22:52:46 executing program 3: r0 = syz_open_dev$ndb(&(0x7f0000000000)='/dev/nbd#\x00', 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) ioctl$NBD_SET_TIMEOUT(r0, 0xab09, 0x6) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = syz_open_dev$ndb(0x0, 0x0, 0x0) ioctl$NBD_CLEAR_SOCK(r2, 0xab04) ioctl$NBD_SET_SOCK(r0, 0xab03, 0xffffffffffffffff) 22:52:46 executing program 0: r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0xf6d80) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000000)={0xffffffffffffffff}) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f00000000c0)) r2 = openat$dlm_control(0xffffffffffffff9c, &(0x7f0000000100)='/dev/dlm-control\x00', 0x250000, 0x0) ioctl$NBD_SET_SOCK(r2, 0xab00, r1) r3 = syz_open_dev$ndb(&(0x7f0000000140)='/dev/nbd#\x00', 0x0, 0x0) ioctl$NBD_CLEAR_SOCK(r3, 0xab04) ioctl$NBD_SET_SOCK(r0, 0xab03, 0xffffffffffffffff) 22:52:46 executing program 4: r0 = syz_open_dev$ndb(&(0x7f0000000000)='/dev/nbd#\x00', 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)) r1 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x400) syz_open_dev$ndb(&(0x7f00000000c0)='/dev/nbd#\x00', 0x0, 0x100) ioctl$NBD_SET_FLAGS(r1, 0xab0a, 0x6) r2 = syz_open_dev$ndb(&(0x7f0000000140)='/dev/nbd#\x00', 0x0, 0x0) ioctl$NBD_CLEAR_SOCK(r2, 0xab04) ioctl$NBD_SET_SOCK(r0, 0xab03, 0xffffffffffffffff) [ 1944.185712] block nbd3: Receive control failed (result -32) [ 1944.186818] block nbd3: shutting down sockets [ 1944.243676] block nbd1: Receive control failed (result -32) [ 1944.249911] block nbd1: shutting down sockets [ 1944.273674] block nbd5: Receive control failed (result -32) [ 1944.279952] block nbd5: shutting down sockets 22:52:46 executing program 1: r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000000)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = syz_open_dev$ndb(0x0, 0x0, 0x8400) ioctl$NBD_SET_TIMEOUT(r2, 0xab09, 0x5) ioctl$NBD_CLEAR_SOCK(r2, 0xab04) ioctl$NBD_SET_SOCK(r0, 0xab03, 0xffffffffffffffff) 22:52:46 executing program 0: r0 = syz_open_dev$ndb(&(0x7f0000000000)='/dev/nbd#\x00', 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x800) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) ioctl$BTRFS_IOC_BALANCE_V2(r1, 0xc4009420, &(0x7f0000000180)={0x10, 0x2, {0x6b7f, @struct={0xf68, 0x80000000}, 0x0, 0x8, 0x9, 0x382c000000000000, 0x9, 0xc2c, 0x2, @struct={0xe78, 0x3}, 0x6, 0xd5d7, [0xfffffffffffff20c, 0x7, 0x635e, 0x0, 0x100000001, 0x1f]}, {0x3, @struct={0xf6a3, 0x100}, 0x0, 0x3ff, 0x2567, 0x9, 0x96, 0xbd41, 0x52, @struct={0x9, 0x9755}, 0x2, 0x5ecd5ac6, [0x6, 0x1ff, 0x5, 0x684, 0x7f, 0x9]}, {0x100, @struct={0x2, 0x5}, 0x0, 0x5, 0xfffffffffffffffa, 0x9, 0x5, 0x30000000000, 0x10, @struct={0x200, 0x7f}, 0x9, 0x7fffffff, [0x5, 0xeccd, 0x1, 0x5, 0x8, 0xfffffffffffffffc]}, {0x9, 0x1, 0x8}}) r2 = syz_open_dev$ndb(&(0x7f0000000140)='/dev/nbd#\x00', 0x0, 0x0) ioctl$NBD_CLEAR_SOCK(r2, 0xab04) ioctl$NBD_SET_SOCK(r0, 0xab03, 0xffffffffffffffff) [ 1944.342360] block nbd2: Receive control failed (result -32) [ 1944.350208] block nbd2: shutting down sockets 22:52:46 executing program 2: r0 = syz_open_dev$ndb(&(0x7f0000000000)='/dev/nbd#\x00', 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) r2 = openat$dlm_control(0xffffffffffffff9c, &(0x7f0000000000)='/dev/dlm-control\x00', 0x0, 0x0) ioctl$SNDRV_PCM_IOCTL_XRUN(r2, 0x4148, 0x0) getsockname$packet(r2, &(0x7f00000002c0)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000300)=0x14) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x13e) r3 = syz_open_dev$ndb(&(0x7f0000000140)='/dev/nbd#\x00', 0x0, 0x0) ioctl$NBD_CLEAR_SOCK(r3, 0xab04) r4 = socket$nl_generic(0x10, 0x3, 0x10) sendmsg$MPTCP_PM_CMD_SET_LIMITS(r4, &(0x7f0000000c80)={&(0x7f0000000bc0)={0x10, 0x0, 0x0, 0x20400000}, 0xc, &(0x7f0000000c40)={&(0x7f0000000c00)={0x14}, 0x14}}, 0x0) r5 = socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NLBL_MGMT_C_REMOVEDEF(r5, &(0x7f0000000280)={&(0x7f00000001c0)={0x10, 0x0, 0x0, 0x8}, 0xc, &(0x7f0000000240)={&(0x7f0000000200)={0x2c, 0x0, 0x20, 0x70bd28, 0x25dfdbfc, {}, [@NLBL_MGMT_A_DOMAIN={0xe, 0x1, '/dev/nbd#\x00'}, @NLBL_MGMT_A_FAMILY={0x6, 0xb, 0x2}]}, 0x2c}, 0x1, 0x0, 0x0, 0x20040825}, 0x4) sendmsg$NLBL_MGMT_C_LISTALL(r4, &(0x7f0000000180)={&(0x7f0000000080)={0x10, 0x0, 0x0, 0x20}, 0xc, &(0x7f0000000100)={&(0x7f00000000c0)={0x34, 0x0, 0x200, 0x70bd2a, 0x25dfdbff, {}, [@NLBL_MGMT_A_CV4DOI={0x8, 0x4, 0x2}, @NLBL_MGMT_A_CV4DOI={0x8}, @NLBL_MGMT_A_IPV4MASK={0x8, 0x8, @empty}, @NLBL_MGMT_A_IPV4ADDR={0x8, 0x7, @broadcast}]}, 0x34}, 0x1, 0x0, 0x0, 0x4000000}, 0x1) ioctl$NBD_SET_SOCK(r0, 0xab03, 0xffffffffffffffff) 22:52:46 executing program 5: r0 = syz_open_dev$ndb(&(0x7f0000000000)='/dev/nbd#\x00', 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) ioctl$NBD_SET_TIMEOUT(0xffffffffffffffff, 0xab09, 0x6) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) ioctl$NBD_SET_SOCK(r0, 0xab03, 0xffffffffffffffff) 22:52:46 executing program 4: r0 = syz_open_dev$ndb(&(0x7f0000000000)='/dev/nbd#\x00', 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) r2 = socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_RECONFIGURE(r2, &(0x7f0000000180)={&(0x7f0000000080)={0x10, 0x0, 0x0, 0x1000}, 0xc, &(0x7f0000000100)={&(0x7f00000000c0)={0x20, 0x0, 0x400, 0x70bd29, 0x25dfdbfb, {}, [@NBD_ATTR_TIMEOUT={0xc, 0x4, 0x1}]}, 0x20}, 0x1, 0x0, 0x0, 0x40000f0}, 0x1000) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r3 = syz_open_dev$ndb(&(0x7f0000000140)='/dev/nbd#\x00', 0x0, 0x0) ioctl$NBD_CLEAR_SOCK(r3, 0xab04) ioctl$NBD_SET_SOCK(r0, 0xab03, 0xffffffffffffffff) [ 1944.391233] block nbd0: shutting down sockets 22:52:46 executing program 0: r0 = syz_open_dev$ndb(&(0x7f0000000000)='/dev/nbd#\x00', 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = syz_open_dev$ndb(&(0x7f0000000140)='/dev/nbd#\x00', 0x0, 0x0) r3 = openat$fb0(0xffffffffffffff9c, &(0x7f0000000380)='/dev/fb0\x00', 0x0, 0x0) ioctl$BTRFS_IOC_RESIZE(r3, 0x50009403, 0x0) ioctl$BTRFS_IOC_SCRUB_PROGRESS(r1, 0xc400941d, &(0x7f0000000180)={0x0, 0x6, 0x7}) ioctl$BTRFS_IOC_SCRUB(r3, 0xc400941b, &(0x7f0000000580)={r4, 0x0, 0x4}) ioctl$NBD_CLEAR_SOCK(r2, 0xab04) ioctl$NBD_SET_SOCK(r0, 0xab03, 0xffffffffffffffff) [ 1944.467026] block nbd4: shutting down sockets [ 1944.475570] block nbd2: shutting down sockets [ 1944.496048] block nbd0: shutting down sockets [ 1944.513990] block nbd4: shutting down sockets [ 1944.526967] block nbd2: shutting down sockets 22:52:47 executing program 0: r0 = syz_open_dev$ndb(&(0x7f0000000000)='/dev/nbd#\x00', 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = syz_open_dev$ndb(&(0x7f0000000140)='/dev/nbd#\x00', 0x0, 0x0) ioctl$NBD_CLEAR_SOCK(r2, 0xab04) r3 = openat$dlm_control(0xffffffffffffff9c, &(0x7f0000000000)='/dev/dlm-control\x00', 0x0, 0x0) ioctl$SNDRV_PCM_IOCTL_XRUN(r3, 0x4148, 0x0) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0xe7) r4 = openat$dlm_control(0xffffffffffffff9c, &(0x7f0000000000)='/dev/dlm-control\x00', 0x0, 0x0) ioctl$SNDRV_PCM_IOCTL_XRUN(r4, 0x4148, 0x0) bpf$BPF_BTF_LOAD(0x12, &(0x7f0000000180)={&(0x7f0000000080)={{0xeb9f, 0x1, 0x0, 0x18, 0x0, 0x18, 0x18, 0x4, [@array={0x0, 0x0, 0x0, 0x3, 0x0, {0x4, 0x5, 0x7fff}}]}, {0x0, [0x0, 0x61]}}, &(0x7f00000000c0)=""/82, 0x34, 0x52, 0x1}, 0x20) ioctl$NBD_SET_SIZE(r4, 0xab02, 0x1) ioctl$NBD_SET_TIMEOUT(r3, 0xab09, 0x8) ioctl$NBD_SET_SOCK(r0, 0xab03, 0xffffffffffffffff) 22:52:47 executing program 4: r0 = syz_open_dev$ndb(&(0x7f0000000000)='/dev/nbd#\x00', 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_STATUS(r2, &(0x7f0000000200)={&(0x7f00000000c0)={0x10, 0x0, 0x0, 0x80000}, 0xc, &(0x7f0000000100)={&(0x7f0000000180)={0x5c, 0x0, 0x10, 0x70bd25, 0x25dfdbfd, {}, [@NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0xf1}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x1}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x6}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x7}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x7ff}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x1}]}, 0x5c}, 0x1, 0x0, 0x0, 0x8000}, 0x14) r3 = syz_open_dev$ndb(&(0x7f0000000140)='/dev/nbd#\x00', 0x0, 0x0) ioctl$NBD_CLEAR_SOCK(r3, 0xab04) ioctl$NBD_SET_SOCK(r0, 0xab03, 0xffffffffffffffff) r4 = openat$dlm_control(0xffffffffffffff9c, &(0x7f0000000000)='/dev/dlm-control\x00', 0x0, 0x0) ioctl$KVM_CREATE_DEVICE(r4, 0xc00caee0, &(0x7f0000000240)={0x6, 0xffffffffffffffff, 0x2}) ioctl$SNDRV_PCM_IOCTL_XRUN(r4, 0x4148, 0x0) ioctl$NBD_CLEAR_QUE(r4, 0xab05) 22:52:47 executing program 2: r0 = syz_open_dev$ndb(&(0x7f0000000000)='/dev/nbd#\x00', 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = syz_open_dev$ndb(&(0x7f0000000140)='/dev/nbd#\x00', 0x0, 0x0) ioctl$NBD_CLEAR_SOCK(r2, 0xab04) ioctl$NBD_SET_SOCK(r0, 0xab03, 0xffffffffffffffff) r3 = syz_init_net_socket$nfc_llcp(0x27, 0x1, 0x1) setsockopt$nfc_llcp_NFC_LLCP_RW(r3, 0x118, 0x0, &(0x7f0000000080)=0xfffffffa, 0x4) [ 1944.610594] block nbd4: shutting down sockets [ 1944.624115] block nbd0: shutting down sockets [ 1944.660235] block nbd2: shutting down sockets [ 1944.662664] block nbd4: shutting down sockets [ 1944.687427] block nbd2: shutting down sockets [ 1944.693357] block nbd2: Could not allocate knbd recv work queue. 22:52:47 executing program 3: r0 = syz_open_dev$ndb(&(0x7f0000000000)='/dev/nbd#\x00', 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) ioctl$NBD_SET_TIMEOUT(r0, 0xab09, 0x6) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = syz_open_dev$ndb(0x0, 0x0, 0x0) ioctl$NBD_CLEAR_SOCK(r2, 0xab04) ioctl$NBD_SET_SOCK(r0, 0xab03, 0xffffffffffffffff) 22:52:47 executing program 0: r0 = syz_open_dev$ndb(&(0x7f0000000000)='/dev/nbd#\x00', 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = syz_open_dev$ndb(&(0x7f0000000140)='/dev/nbd#\x00', 0x0, 0x0) ioctl$NBD_CLEAR_SOCK(r2, 0xab04) r3 = openat$dlm_control(0xffffffffffffff9c, &(0x7f0000000000)='/dev/dlm-control\x00', 0x0, 0x0) ioctl$SNDRV_PCM_IOCTL_XRUN(r3, 0x4148, 0x0) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0xe7) r4 = openat$dlm_control(0xffffffffffffff9c, &(0x7f0000000000)='/dev/dlm-control\x00', 0x0, 0x0) ioctl$SNDRV_PCM_IOCTL_XRUN(r4, 0x4148, 0x0) bpf$BPF_BTF_LOAD(0x12, &(0x7f0000000180)={&(0x7f0000000080)={{0xeb9f, 0x1, 0x0, 0x18, 0x0, 0x18, 0x18, 0x4, [@array={0x0, 0x0, 0x0, 0x3, 0x0, {0x4, 0x5, 0x7fff}}]}, {0x0, [0x0, 0x61]}}, &(0x7f00000000c0)=""/82, 0x34, 0x52, 0x1}, 0x20) ioctl$NBD_SET_SIZE(r4, 0xab02, 0x1) ioctl$NBD_SET_TIMEOUT(r3, 0xab09, 0x8) ioctl$NBD_SET_SOCK(r0, 0xab03, 0xffffffffffffffff) 22:52:47 executing program 4: r0 = syz_open_dev$ndb(&(0x7f0000000000)='/dev/nbd#\x00', 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) ioctl$BTRFS_IOC_SCRUB_PROGRESS(r1, 0xc400941d, &(0x7f0000000180)={0x0, 0x3, 0x5}) r2 = openat$sequencer2(0xffffffffffffff9c, &(0x7f0000000080)='/dev/sequencer2\x00', 0x94080, 0x0) ioctl$SNDCTL_MIDI_INFO(r2, 0xc074510c, &(0x7f00000000c0)={"9b7dca62f24690d874c6b7efb4d89fa48bac9b84ac3fe382f41cca8875e9", 0x401, 0x3, 0x0, [0x1, 0xfff, 0xfffffe00, 0x2, 0x9, 0x8, 0x7fffffff, 0x2, 0x4, 0x9, 0x9, 0x2dbd, 0x2, 0x6, 0x4, 0xa9e, 0xa89, 0x3a4]}) r3 = syz_open_dev$ndb(&(0x7f0000000140)='/dev/nbd#\x00', 0x0, 0x0) ioctl$NBD_SET_BLKSIZE(r3, 0xab01, 0x9) ioctl$NBD_CLEAR_SOCK(r3, 0xab04) ioctl$NBD_SET_SOCK(r0, 0xab03, 0xffffffffffffffff) [ 1945.073437] block nbd3: Receive control failed (result -32) [ 1945.073519] block nbd3: shutting down sockets [ 1945.121765] block nbd0: shutting down sockets [ 1945.155400] block nbd4: shutting down sockets 22:52:47 executing program 1: r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000000)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = syz_open_dev$ndb(0x0, 0x0, 0x8400) ioctl$NBD_SET_TIMEOUT(r2, 0xab09, 0x5) ioctl$NBD_CLEAR_SOCK(r2, 0xab04) ioctl$NBD_SET_SOCK(r0, 0xab03, 0xffffffffffffffff) 22:52:47 executing program 2: r0 = syz_open_dev$ndb(&(0x7f0000000000)='/dev/nbd#\x00', 0x0, 0x0) ioctl$NBD_SET_TIMEOUT(r0, 0xab09, 0x2) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = bpf$BPF_BTF_LOAD(0x12, &(0x7f00000002c0)={&(0x7f0000000400)=ANY=[@ANYBLOB="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"], &(0x7f0000000080)=""/153, 0x116, 0x99}, 0x20) bpf$BPF_GET_BTF_INFO(0xf, &(0x7f00000003c0)={r2, 0x10, &(0x7f0000000380)={&(0x7f0000000300)=""/72, 0x48}}, 0x10) syz_open_dev$ndb(&(0x7f0000000140)='/dev/nbd#\x00', 0x0, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab03, 0xffffffffffffffff) 22:52:47 executing program 0: r0 = syz_open_dev$ndb(&(0x7f0000000000)='/dev/nbd#\x00', 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = syz_open_dev$ndb(&(0x7f0000000140)='/dev/nbd#\x00', 0x0, 0x0) ioctl$NBD_CLEAR_SOCK(r2, 0xab04) r3 = openat$dlm_control(0xffffffffffffff9c, &(0x7f0000000000)='/dev/dlm-control\x00', 0x0, 0x0) ioctl$SNDRV_PCM_IOCTL_XRUN(r3, 0x4148, 0x0) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0xe7) r4 = openat$dlm_control(0xffffffffffffff9c, &(0x7f0000000000)='/dev/dlm-control\x00', 0x0, 0x0) ioctl$SNDRV_PCM_IOCTL_XRUN(r4, 0x4148, 0x0) bpf$BPF_BTF_LOAD(0x12, &(0x7f0000000180)={&(0x7f0000000080)={{0xeb9f, 0x1, 0x0, 0x18, 0x0, 0x18, 0x18, 0x4, [@array={0x0, 0x0, 0x0, 0x3, 0x0, {0x4, 0x5, 0x7fff}}]}, {0x0, [0x0, 0x61]}}, &(0x7f00000000c0)=""/82, 0x34, 0x52, 0x1}, 0x20) ioctl$NBD_SET_SIZE(r4, 0xab02, 0x1) ioctl$NBD_SET_TIMEOUT(r3, 0xab09, 0x8) ioctl$NBD_SET_SOCK(r0, 0xab03, 0xffffffffffffffff) [ 1945.198959] block nbd1: Receive control failed (result -32) [ 1945.205468] block nbd1: shutting down sockets [ 1945.225169] block nbd4: shutting down sockets 22:52:47 executing program 5: r0 = syz_open_dev$ndb(&(0x7f0000000000)='/dev/nbd#\x00', 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) ioctl$NBD_SET_TIMEOUT(0xffffffffffffffff, 0xab09, 0x6) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) ioctl$NBD_SET_SOCK(r0, 0xab03, 0xffffffffffffffff) 22:52:47 executing program 4: r0 = syz_open_dev$ndb(&(0x7f0000000000)='/dev/nbd#\x00', 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = syz_open_dev$ndb(&(0x7f0000000140)='/dev/nbd#\x00', 0x0, 0x0) ioctl$NBD_CLEAR_SOCK(r2, 0xab04) r3 = syz_genetlink_get_family_id$netlbl_mgmt(&(0x7f0000000100)='NLBL_MGMT\x00') sendmsg$NLBL_MGMT_C_ADDDEF(0xffffffffffffffff, &(0x7f0000000200)={&(0x7f00000000c0)={0x10, 0x0, 0x0, 0x2000}, 0xc, &(0x7f00000001c0)={&(0x7f0000000180)={0x34, r3, 0x200, 0x70bd25, 0x25dfdbff, {}, [@NLBL_MGMT_A_IPV4ADDR={0x8, 0x7, @rand_addr=0x64010101}, @NLBL_MGMT_A_CLPDOI={0x8, 0xc, 0x2}, @NLBL_MGMT_A_PROTOCOL={0x8, 0x2, 0x5}, @NLBL_MGMT_A_FAMILY={0x6, 0xb, 0x6}]}, 0x34}, 0x1, 0x0, 0x0, 0x10}, 0x4000) write$FUSE_NOTIFY_POLL(0xffffffffffffffff, &(0x7f0000000080)={0x18, 0x1, 0x0, {0x7}}, 0x18) ioctl$NBD_SET_SOCK(r0, 0xab03, 0xffffffffffffffff) [ 1945.276637] block nbd5: Receive control failed (result -32) [ 1945.283110] block nbd5: shutting down sockets [ 1945.292125] block nbd0: shutting down sockets 22:52:47 executing program 0: r0 = syz_open_dev$ndb(&(0x7f0000000000)='/dev/nbd#\x00', 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = syz_open_dev$ndb(&(0x7f0000000140)='/dev/nbd#\x00', 0x0, 0x0) ioctl$NBD_CLEAR_SOCK(r2, 0xab04) r3 = openat$dlm_control(0xffffffffffffff9c, &(0x7f0000000000)='/dev/dlm-control\x00', 0x0, 0x0) ioctl$SNDRV_PCM_IOCTL_XRUN(r3, 0x4148, 0x0) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0xe7) r4 = openat$dlm_control(0xffffffffffffff9c, &(0x7f0000000000)='/dev/dlm-control\x00', 0x0, 0x0) ioctl$SNDRV_PCM_IOCTL_XRUN(r4, 0x4148, 0x0) bpf$BPF_BTF_LOAD(0x12, &(0x7f0000000180)={&(0x7f0000000080)={{0xeb9f, 0x1, 0x0, 0x18, 0x0, 0x18, 0x18, 0x4, [@array={0x0, 0x0, 0x0, 0x3, 0x0, {0x4, 0x5, 0x7fff}}]}, {0x0, [0x0, 0x61]}}, &(0x7f00000000c0)=""/82, 0x34, 0x52, 0x1}, 0x20) ioctl$NBD_SET_SIZE(r4, 0xab02, 0x1) ioctl$NBD_SET_SOCK(r0, 0xab03, 0xffffffffffffffff) [ 1945.380028] block nbd4: shutting down sockets [ 1945.391449] block nbd0: shutting down sockets [ 1945.400789] block nbd4: shutting down sockets 22:52:48 executing program 0: r0 = syz_open_dev$ndb(&(0x7f0000000000)='/dev/nbd#\x00', 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = syz_open_dev$ndb(&(0x7f0000000140)='/dev/nbd#\x00', 0x0, 0x0) ioctl$NBD_CLEAR_SOCK(r2, 0xab04) r3 = openat$dlm_control(0xffffffffffffff9c, &(0x7f0000000000)='/dev/dlm-control\x00', 0x0, 0x0) ioctl$SNDRV_PCM_IOCTL_XRUN(r3, 0x4148, 0x0) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0xe7) r4 = openat$dlm_control(0xffffffffffffff9c, &(0x7f0000000000)='/dev/dlm-control\x00', 0x0, 0x0) ioctl$SNDRV_PCM_IOCTL_XRUN(r4, 0x4148, 0x0) bpf$BPF_BTF_LOAD(0x12, &(0x7f0000000180)={&(0x7f0000000080)={{0xeb9f, 0x1, 0x0, 0x18, 0x0, 0x18, 0x18, 0x4, [@array={0x0, 0x0, 0x0, 0x3, 0x0, {0x4, 0x5, 0x7fff}}]}, {0x0, [0x0, 0x61]}}, &(0x7f00000000c0)=""/82, 0x34, 0x52, 0x1}, 0x20) ioctl$NBD_SET_SOCK(r0, 0xab03, 0xffffffffffffffff) 22:52:48 executing program 4: r0 = syz_open_dev$ndb(&(0x7f0000000000)='/dev/nbd#\x00', 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = syz_open_dev$ndb(&(0x7f0000000140)='/dev/nbd#\x00', 0x0, 0x0) ioctl$NBD_CLEAR_SOCK(r2, 0xab04) ioctl$KVM_CREATE_DEVICE(0xffffffffffffffff, 0xc00caee0, &(0x7f0000000080)={0x4, 0xffffffffffffffff, 0x1}) ioctl$KVM_HAS_DEVICE_ATTR(r3, 0x4018aee3, &(0x7f0000000100)={0x0, 0x8, 0x80, &(0x7f00000000c0)=0x2}) r4 = openat$dlm_control(0xffffffffffffff9c, &(0x7f0000000000)='/dev/dlm-control\x00', 0x0, 0x0) ioctl$SNDRV_PCM_IOCTL_XRUN(r4, 0x4148, 0x0) ioctl$NBD_SET_FLAGS(r4, 0xab0a, 0x100000001) ioctl$NBD_SET_SOCK(r0, 0xab03, 0xffffffffffffffff) 22:52:48 executing program 0: r0 = syz_open_dev$ndb(&(0x7f0000000000)='/dev/nbd#\x00', 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = syz_open_dev$ndb(&(0x7f0000000140)='/dev/nbd#\x00', 0x0, 0x0) ioctl$NBD_CLEAR_SOCK(r2, 0xab04) r3 = openat$dlm_control(0xffffffffffffff9c, &(0x7f0000000000)='/dev/dlm-control\x00', 0x0, 0x0) ioctl$SNDRV_PCM_IOCTL_XRUN(r3, 0x4148, 0x0) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0xe7) r4 = openat$dlm_control(0xffffffffffffff9c, &(0x7f0000000000)='/dev/dlm-control\x00', 0x0, 0x0) ioctl$SNDRV_PCM_IOCTL_XRUN(r4, 0x4148, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab03, 0xffffffffffffffff) [ 1945.522303] block nbd4: shutting down sockets [ 1945.522453] block nbd0: shutting down sockets [ 1945.545554] block nbd4: shutting down sockets [ 1945.616901] block nbd0: shutting down sockets 22:52:48 executing program 3: r0 = syz_open_dev$ndb(&(0x7f0000000000)='/dev/nbd#\x00', 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) ioctl$NBD_SET_TIMEOUT(r0, 0xab09, 0x6) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) syz_open_dev$ndb(&(0x7f0000000140)='/dev/nbd#\x00', 0x0, 0x0) ioctl$NBD_CLEAR_SOCK(0xffffffffffffffff, 0xab04) ioctl$NBD_SET_SOCK(r0, 0xab03, 0xffffffffffffffff) 22:52:48 executing program 4: r0 = syz_open_dev$ndb(&(0x7f0000000000)='/dev/nbd#\x00', 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) r2 = openat$sequencer2(0xffffffffffffff9c, &(0x7f0000000080)='/dev/sequencer2\x00', 0x10280, 0x0) ioctl$SNDCTL_SEQ_TESTMIDI(r2, 0x40045108, &(0x7f00000000c0)=0x40) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r3 = syz_open_dev$ndb(&(0x7f0000000140)='/dev/nbd#\x00', 0x0, 0x0) ioctl$NBD_CLEAR_SOCK(r3, 0xab04) ioctl$NBD_SET_SOCK(r0, 0xab03, 0xffffffffffffffff) 22:52:48 executing program 0: r0 = syz_open_dev$ndb(&(0x7f0000000000)='/dev/nbd#\x00', 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = syz_open_dev$ndb(&(0x7f0000000140)='/dev/nbd#\x00', 0x0, 0x0) ioctl$NBD_CLEAR_SOCK(r2, 0xab04) r3 = openat$dlm_control(0xffffffffffffff9c, &(0x7f0000000000)='/dev/dlm-control\x00', 0x0, 0x0) ioctl$SNDRV_PCM_IOCTL_XRUN(r3, 0x4148, 0x0) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0xe7) openat$dlm_control(0xffffffffffffff9c, &(0x7f0000000000)='/dev/dlm-control\x00', 0x0, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab03, 0xffffffffffffffff) [ 1945.970846] block nbd3: Receive control failed (result -32) [ 1945.971310] block nbd3: shutting down sockets [ 1946.013230] block nbd4: shutting down sockets [ 1946.036752] block nbd4: shutting down sockets [ 1946.047270] block nbd0: shutting down sockets 22:52:48 executing program 4: r0 = syz_open_dev$ndb(&(0x7f0000000000)='/dev/nbd#\x00', 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000100)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = syz_open_dev$ndb(&(0x7f0000000140)='/dev/nbd#\x00', 0x0, 0x0) r3 = openat$dlm_control(0xffffffffffffff9c, &(0x7f0000000080)='/dev/dlm-control\x00', 0x80080, 0x0) r4 = openat$dlm_control(0xffffffffffffff9c, &(0x7f0000000000)='/dev/dlm-control\x00', 0x0, 0x0) ioctl$SNDRV_PCM_IOCTL_XRUN(r4, 0x4148, 0x0) ioctl$NBD_CLEAR_QUE(r4, 0xab05) r5 = openat$dlm_control(0xffffffffffffff9c, &(0x7f00000000c0)='/dev/dlm-control\x00', 0x3a0001, 0x0) ioctl$NBD_SET_SOCK(r3, 0xab00, r5) ioctl$NBD_CLEAR_SOCK(r2, 0xab04) ioctl$NBD_SET_SOCK(r0, 0xab03, 0xffffffffffffffff) [ 1946.136263] block nbd2: Receive control failed (result -32) [ 1946.143772] block nbd2: shutting down sockets [ 1946.146255] block nbd1: shutting down sockets [ 1946.168248] block nbd2: shutting down sockets 22:52:48 executing program 1: r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000000)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = syz_open_dev$ndb(&(0x7f0000000140)='/dev/nbd#\x00', 0x0, 0x0) ioctl$NBD_SET_TIMEOUT(r2, 0xab09, 0x5) ioctl$NBD_CLEAR_SOCK(r2, 0xab04) ioctl$NBD_SET_SOCK(r0, 0xab03, 0xffffffffffffffff) 22:52:48 executing program 0: r0 = syz_open_dev$ndb(&(0x7f0000000000)='/dev/nbd#\x00', 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = syz_open_dev$ndb(&(0x7f0000000140)='/dev/nbd#\x00', 0x0, 0x0) ioctl$NBD_CLEAR_SOCK(r2, 0xab04) r3 = openat$dlm_control(0xffffffffffffff9c, &(0x7f0000000000)='/dev/dlm-control\x00', 0x0, 0x0) ioctl$SNDRV_PCM_IOCTL_XRUN(r3, 0x4148, 0x0) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0xe7) ioctl$NBD_SET_SOCK(r0, 0xab03, 0xffffffffffffffff) [ 1946.191946] block nbd5: Receive control failed (result -32) [ 1946.192073] block nbd5: shutting down sockets [ 1946.204724] block nbd4: shutting down sockets [ 1946.219434] block nbd4: shutting down sockets 22:52:48 executing program 5: r0 = syz_open_dev$ndb(&(0x7f0000000000)='/dev/nbd#\x00', 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) ioctl$NBD_SET_TIMEOUT(r0, 0xab09, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) ioctl$NBD_SET_SOCK(r0, 0xab03, 0xffffffffffffffff) 22:52:48 executing program 2: r0 = syz_open_dev$ndb(&(0x7f0000000000)='/dev/nbd#\x00', 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = syz_open_dev$ndb(&(0x7f0000000140)='/dev/nbd#\x00', 0x0, 0x0) r3 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) ioctl$BTRFS_IOC_GET_DEV_STATS(r3, 0xc4089434, &(0x7f0000001540)={0x0, 0xf12, 0x1, [0x1000, 0xfffffffffffffffb, 0xbaea, 0x800, 0x7], [0x0, 0x2, 0x5, 0xff, 0x9, 0x40, 0x6, 0x1, 0x3, 0x2, 0x3, 0x131a, 0xa5, 0x68, 0x1, 0x100, 0xfffffffffffffff9, 0x2, 0x1, 0x8, 0x7f, 0x4, 0x79, 0x2, 0x81, 0x5, 0xdaf, 0x0, 0x4, 0x5, 0x9, 0x0, 0x1, 0x40, 0xfff, 0x2, 0x2, 0x8, 0x5, 0x3, 0xffffffff8fba7afc, 0x3, 0x4, 0x297, 0x8001, 0x3ff, 0x200, 0x8001, 0xff, 0x4375, 0x7fffffff, 0x1, 0x5, 0x10000, 0xe54a, 0x0, 0x7, 0x3, 0xe05, 0x400, 0x100, 0x5, 0x6, 0x9, 0xffffffff, 0xff, 0xffff, 0x9, 0x2c, 0xfff, 0x7f, 0x32f, 0x7fff, 0x6, 0x9, 0xe005, 0x2, 0x200, 0x4, 0x100, 0xffff, 0x7f, 0x7a, 0x6, 0x9, 0x5, 0x200, 0xfffffffffffffffd, 0x7f, 0x7, 0x3, 0x4, 0x81, 0x3, 0xfff, 0x3, 0x7, 0x9, 0x3, 0x6, 0x76f8, 0x101, 0x7f, 0x0, 0x6, 0x4, 0x7fff, 0x6, 0x3, 0x5f684864, 0x200, 0x46, 0x7f, 0x5, 0x8, 0x7fff, 0x5, 0xfffffffffffffffb, 0x8, 0x5, 0x8]}) getresuid(&(0x7f0000000100), &(0x7f0000000180), &(0x7f00000001c0)=0x0) r5 = openat$snapshot(0xffffffffffffff9c, &(0x7f0000001500)='/dev/snapshot\x00', 0x840, 0x0) ioctl$SNAPSHOT_PREF_IMAGE_SIZE(r5, 0x3312, 0x6) sendmsg$nl_xfrm(0xffffffffffffffff, &(0x7f00000014c0)={&(0x7f00000000c0)={0x10, 0x0, 0x0, 0x4000000}, 0xc, &(0x7f0000001480)={&(0x7f0000000200)=@getsa={0x1248, 0x12, 0x400, 0x70bd2b, 0x25dfdbfe, {@in=@local, 0x4d3, 0x2, 0x3c}, [@proto={0x5, 0x19, 0x3c}, @replay_esn_val={0x20, 0x17, {0x1, 0x70bd2d, 0x70bd2a, 0x70bd2c, 0x70bd27, 0x0, [0x0]}}, @replay_val={0x10, 0xa, {0x6, 0x70bd29, 0xfffffffe}}, @sa={0xe4, 0x6, {{@in=@multicast2, @in6=@dev={0xfe, 0x80, [], 0x44}, 0x4e23, 0xdd8c, 0x4e21, 0x8, 0xa, 0xc0, 0x120, 0x0, 0x0, r4}, {@in6=@rand_addr=' \x01\x00', 0x4d4, 0xff}, @in=@initdev={0xac, 0x1e, 0x0, 0x0}, {0x3, 0x1f, 0x6, 0x800, 0x7, 0x6, 0x401, 0x8001}, {0x8001, 0x3, 0x10000, 0x1}, {0x1, 0x1, 0x7}, 0x70bd2d, 0x3507, 0x2, 0x2, 0x4, 0x8d}}, @XFRMA_SET_MARK_MASK={0x8, 0x1e, 0x727}, @algo_crypt={0xef, 0x2, {{'ecb(aes)\x00'}, 0x538, "18f7e77c7ee9a26e102de3d872823c88182577d5194e9f92ba0f52fa4a4936a016b762fec5eb0e00b91fc4ee2c8ff5ba213cb47d632679fa42a18ccc5d27fa1dd97fe260fa0cec52a1faa7d42a8c4cb93cd40d7e981285ebd96032ff48de061c894eb107e270d6dcbf631c9c88ea3c000a2071ce8958c333febc67597992eb26ff7f8c7e317df5018e024f8de22caf505f3e06222ecc9d27c24e2fb60e7e2d28f0a649d29e9c18"}}, @sec_ctx={0x100c, 0x8, {0x1008, 0x8, 0x1, 0x0, 0x1000, "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"}}]}, 0x1248}, 0x1, 0x0, 0x0, 0x4040440}, 0x40) ioctl$NBD_CLEAR_SOCK(r2, 0xab04) ioctl$NBD_SET_SOCK(r0, 0xab03, 0xffffffffffffffff) 22:52:48 executing program 4: r0 = syz_open_dev$ndb(&(0x7f0000000000)='/dev/nbd#\x00', 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = syz_open_dev$ndb(&(0x7f0000000140)='/dev/nbd#\x00', 0x0, 0x0) ioctl$NBD_CLEAR_SOCK(r2, 0xab04) r3 = socket$nl_generic(0x10, 0x3, 0x10) sendmsg$MPTCP_PM_CMD_SET_LIMITS(r3, &(0x7f0000000c80)={&(0x7f0000000bc0)={0x10, 0x0, 0x0, 0x20400000}, 0xc, &(0x7f0000000c40)={&(0x7f0000000c00)={0x14}, 0x14}}, 0x0) sendmsg$NLBL_MGMT_C_VERSION(r3, &(0x7f0000000200)={&(0x7f0000000080)={0x10, 0x0, 0x0, 0x40}, 0xc, &(0x7f0000000100)={&(0x7f0000000180)={0x4c, 0x0, 0x4, 0x70bd25, 0x25dfdbfb, {}, [@NLBL_MGMT_A_IPV4MASK={0x8, 0x8, @broadcast}, @NLBL_MGMT_A_IPV4MASK={0x8, 0x8, @remote}, @NLBL_MGMT_A_IPV6MASK={0x14, 0x6, @initdev={0xfe, 0x88, [], 0x1, 0x0}}, @NLBL_MGMT_A_IPV6ADDR={0x14, 0x5, @mcast1}]}, 0x4c}, 0x1, 0x0, 0x0, 0x4004}, 0x4000) ioctl$NBD_SET_SOCK(r0, 0xab03, 0xffffffffffffffff) [ 1946.281038] block nbd0: shutting down sockets 22:52:48 executing program 0: r0 = syz_open_dev$ndb(&(0x7f0000000000)='/dev/nbd#\x00', 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = syz_open_dev$ndb(&(0x7f0000000140)='/dev/nbd#\x00', 0x0, 0x0) ioctl$NBD_CLEAR_SOCK(r2, 0xab04) r3 = openat$dlm_control(0xffffffffffffff9c, &(0x7f0000000000)='/dev/dlm-control\x00', 0x0, 0x0) ioctl$SNDRV_PCM_IOCTL_XRUN(r3, 0x4148, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab03, 0xffffffffffffffff) [ 1946.326474] block nbd1: shutting down sockets 22:52:48 executing program 1: r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000000)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = syz_open_dev$ndb(&(0x7f0000000140)='/dev/nbd#\x00', 0x0, 0x0) ioctl$NBD_SET_TIMEOUT(0xffffffffffffffff, 0xab09, 0x5) ioctl$NBD_CLEAR_SOCK(r2, 0xab04) ioctl$NBD_SET_SOCK(r0, 0xab03, 0xffffffffffffffff) [ 1946.367179] block nbd2: shutting down sockets [ 1946.382573] block nbd4: shutting down sockets 22:52:49 executing program 4: r0 = syz_open_dev$ndb(&(0x7f0000000000)='/dev/nbd#\x00', 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = syz_open_dev$ndb(&(0x7f0000000140)='/dev/nbd#\x00', 0x0, 0x0) ioctl$mixer_OSS_GETVERSION(0xffffffffffffffff, 0x80044d76, &(0x7f0000000080)) ioctl$NBD_CLEAR_SOCK(r2, 0xab04) ioctl$NBD_SET_SOCK(r0, 0xab03, 0xffffffffffffffff) [ 1946.408793] block nbd0: shutting down sockets [ 1946.415499] block nbd2: shutting down sockets [ 1946.419748] block nbd4: shutting down sockets [ 1946.433598] block nbd1: shutting down sockets [ 1946.522184] block nbd4: shutting down sockets [ 1946.545032] block nbd4: shutting down sockets 22:52:49 executing program 3: r0 = syz_open_dev$ndb(&(0x7f0000000000)='/dev/nbd#\x00', 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) ioctl$NBD_SET_TIMEOUT(r0, 0xab09, 0x6) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) syz_open_dev$ndb(&(0x7f0000000140)='/dev/nbd#\x00', 0x0, 0x0) ioctl$NBD_CLEAR_SOCK(0xffffffffffffffff, 0xab04) ioctl$NBD_SET_SOCK(r0, 0xab03, 0xffffffffffffffff) 22:52:49 executing program 0: r0 = syz_open_dev$ndb(&(0x7f0000000000)='/dev/nbd#\x00', 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = syz_open_dev$ndb(&(0x7f0000000140)='/dev/nbd#\x00', 0x0, 0x0) ioctl$NBD_CLEAR_SOCK(r2, 0xab04) r3 = openat$dlm_control(0xffffffffffffff9c, &(0x7f0000000000)='/dev/dlm-control\x00', 0x0, 0x0) ioctl$SNDRV_PCM_IOCTL_XRUN(r3, 0x4148, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab03, 0xffffffffffffffff) 22:52:49 executing program 1: r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000000)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = syz_open_dev$ndb(&(0x7f0000000140)='/dev/nbd#\x00', 0x0, 0x0) ioctl$NBD_SET_TIMEOUT(0xffffffffffffffff, 0xab09, 0x5) ioctl$NBD_CLEAR_SOCK(r2, 0xab04) ioctl$NBD_SET_SOCK(r0, 0xab03, 0xffffffffffffffff) 22:52:49 executing program 2: r0 = syz_open_dev$ndb(&(0x7f0000000000)='/dev/nbd#\x00', 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = syz_open_dev$ndb(&(0x7f0000000140)='/dev/nbd#\x00', 0x0, 0x0) ioctl$NBD_CLEAR_SOCK(r2, 0xab04) r3 = openat$dlm_control(0xffffffffffffff9c, &(0x7f0000000000)='/dev/dlm-control\x00', 0x0, 0x0) ioctl$SNDRV_PCM_IOCTL_XRUN(r3, 0x4148, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab03, r1) 22:52:49 executing program 4: r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000000)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = syz_open_dev$ndb(&(0x7f0000000140)='/dev/nbd#\x00', 0x0, 0x0) ioctl$NBD_SET_TIMEOUT(0xffffffffffffffff, 0xab09, 0x5) ioctl$NBD_CLEAR_SOCK(r2, 0xab04) ioctl$NBD_SET_SOCK(r0, 0xab03, 0xffffffffffffffff) [ 1946.865044] block nbd3: Receive control failed (result -32) [ 1946.865219] block nbd3: shutting down sockets [ 1946.924619] block nbd0: shutting down sockets [ 1946.940286] block nbd1: shutting down sockets [ 1946.943862] block nbd2: shutting down sockets [ 1946.965729] block nbd4: shutting down sockets 22:52:49 executing program 0: r0 = syz_open_dev$ndb(&(0x7f0000000000)='/dev/nbd#\x00', 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = syz_open_dev$ndb(&(0x7f0000000140)='/dev/nbd#\x00', 0x0, 0x0) ioctl$NBD_CLEAR_SOCK(r2, 0xab04) r3 = openat$dlm_control(0xffffffffffffff9c, &(0x7f0000000000)='/dev/dlm-control\x00', 0x0, 0x0) ioctl$SNDRV_PCM_IOCTL_XRUN(r3, 0x4148, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab03, 0xffffffffffffffff) [ 1947.012467] block nbd2: shutting down sockets [ 1947.076093] block nbd0: shutting down sockets 22:52:49 executing program 5: r0 = syz_open_dev$ndb(&(0x7f0000000000)='/dev/nbd#\x00', 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) ioctl$NBD_SET_TIMEOUT(r0, 0xab09, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) ioctl$NBD_SET_SOCK(r0, 0xab03, 0xffffffffffffffff) 22:52:49 executing program 1: r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000000)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = syz_open_dev$ndb(&(0x7f0000000140)='/dev/nbd#\x00', 0x0, 0x0) ioctl$NBD_SET_TIMEOUT(0xffffffffffffffff, 0xab09, 0x5) ioctl$NBD_CLEAR_SOCK(r2, 0xab04) ioctl$NBD_SET_SOCK(r0, 0xab03, 0xffffffffffffffff) 22:52:49 executing program 4: r0 = syz_open_dev$ndb(&(0x7f0000000000)='/dev/nbd#\x00', 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = syz_open_dev$ndb(&(0x7f0000000140)='/dev/nbd#\x00', 0x0, 0x0) ioctl$NBD_CLEAR_SOCK(r2, 0xab04) r3 = socket$nl_generic(0x10, 0x3, 0x10) sendmsg$MPTCP_PM_CMD_SET_LIMITS(r3, &(0x7f0000000c80)={&(0x7f0000000bc0)={0x10, 0x0, 0x0, 0x20400000}, 0xc, &(0x7f0000000c40)={&(0x7f0000000c00)={0x14}, 0x14}}, 0x0) sendmsg$NLBL_MGMT_C_VERSION(r3, &(0x7f0000000200)={&(0x7f0000000080)={0x10, 0x0, 0x0, 0x40}, 0xc, &(0x7f0000000100)={&(0x7f0000000180)={0x4c, 0x0, 0x4, 0x70bd25, 0x25dfdbfb, {}, [@NLBL_MGMT_A_IPV4MASK={0x8, 0x8, @broadcast}, @NLBL_MGMT_A_IPV4MASK={0x8, 0x8, @remote}, @NLBL_MGMT_A_IPV6MASK={0x14, 0x6, @initdev={0xfe, 0x88, [], 0x1, 0x0}}, @NLBL_MGMT_A_IPV6ADDR={0x14, 0x5, @mcast1}]}, 0x4c}, 0x1, 0x0, 0x0, 0x4004}, 0x4000) ioctl$NBD_SET_SOCK(r0, 0xab03, 0xffffffffffffffff) 22:52:49 executing program 2: r0 = syz_open_dev$ndb(&(0x7f0000000000)='/dev/nbd#\x00', 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) ioctl$NBD_SET_SIZE_BLOCKS(r0, 0xab07, 0x90000000000000) r2 = syz_open_dev$ndb(&(0x7f0000000140)='/dev/nbd#\x00', 0x0, 0x0) ioctl$NBD_CLEAR_SOCK(r2, 0xab04) ioctl$NBD_SET_SOCK(r0, 0xab03, 0xffffffffffffffff) 22:52:49 executing program 0: r0 = syz_open_dev$ndb(&(0x7f0000000000)='/dev/nbd#\x00', 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = syz_open_dev$ndb(&(0x7f0000000140)='/dev/nbd#\x00', 0x0, 0x0) ioctl$NBD_CLEAR_SOCK(r2, 0xab04) openat$dlm_control(0xffffffffffffff9c, &(0x7f0000000000)='/dev/dlm-control\x00', 0x0, 0x0) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0xe7) ioctl$NBD_SET_SOCK(r0, 0xab03, 0xffffffffffffffff) [ 1947.175747] block nbd5: Receive control failed (result -32) [ 1947.176037] block nbd5: shutting down sockets [ 1947.243618] block nbd4: shutting down sockets [ 1947.249007] block nbd2: shutting down sockets [ 1947.255453] block nbd0: shutting down sockets [ 1947.260911] block nbd1: shutting down sockets 22:52:49 executing program 1: r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000000)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = syz_open_dev$ndb(&(0x7f0000000140)='/dev/nbd#\x00', 0x0, 0x0) ioctl$NBD_SET_TIMEOUT(r2, 0xab09, 0x0) ioctl$NBD_CLEAR_SOCK(r2, 0xab04) ioctl$NBD_SET_SOCK(r0, 0xab03, 0xffffffffffffffff) [ 1947.314438] block nbd2: shutting down sockets [ 1947.401807] block nbd1: shutting down sockets 22:52:50 executing program 3: r0 = syz_open_dev$ndb(&(0x7f0000000000)='/dev/nbd#\x00', 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) ioctl$NBD_SET_TIMEOUT(r0, 0xab09, 0x6) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) syz_open_dev$ndb(&(0x7f0000000140)='/dev/nbd#\x00', 0x0, 0x0) ioctl$NBD_CLEAR_SOCK(0xffffffffffffffff, 0xab04) ioctl$NBD_SET_SOCK(r0, 0xab03, 0xffffffffffffffff) 22:52:50 executing program 4: r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000000)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = syz_open_dev$ndb(0x0, 0x0, 0x8400) ioctl$NBD_SET_TIMEOUT(r2, 0xab09, 0x5) ioctl$NBD_CLEAR_SOCK(r2, 0xab04) ioctl$NBD_SET_SOCK(r0, 0xab03, 0xffffffffffffffff) 22:52:50 executing program 0: r0 = syz_open_dev$ndb(&(0x7f0000000000)='/dev/nbd#\x00', 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = syz_open_dev$ndb(&(0x7f0000000140)='/dev/nbd#\x00', 0x0, 0x0) ioctl$NBD_CLEAR_SOCK(r2, 0xab04) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0xe7) ioctl$NBD_SET_SOCK(r0, 0xab03, 0xffffffffffffffff) 22:52:50 executing program 2: r0 = syz_open_dev$ndb(&(0x7f0000000180)='/dev/nbd#\x00', 0x0, 0x8078d9b5b30bfa0a) r1 = openat$sequencer(0xffffffffffffff9c, &(0x7f0000000140)='/dev/sequencer\x00', 0x2, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, 0xffffffffffffffff) ioctl$SNDCTL_SEQ_PANIC(r1, 0x5111) ioctl$SNDCTL_TMR_START(r1, 0x5402) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r0, 0xab00, r2) r3 = syz_init_net_socket$nfc_llcp(0x27, 0x2, 0x1) setsockopt$nfc_llcp_NFC_LLCP_RW(r3, 0x118, 0x0, &(0x7f0000000140)=0x2f, 0x4) setsockopt$nfc_llcp_NFC_LLCP_RW(r3, 0x118, 0x0, &(0x7f00000000c0)=0xfffffffb, 0x4) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r0, 0xab00, r4) r5 = syz_open_dev$ndb(&(0x7f0000000140)='/dev/nbd#\x00', 0x0, 0x0) r6 = openat$dlm_control(0xffffffffffffff9c, &(0x7f0000000000)='/dev/dlm-control\x00', 0x0, 0x0) ioctl$SNDRV_PCM_IOCTL_XRUN(r6, 0x4148, 0x0) ioctl$mixer_OSS_GETVERSION(r6, 0x80044d76, &(0x7f0000000100)) write$FUSE_NOTIFY_POLL(0xffffffffffffffff, &(0x7f0000000200)={0x18, 0x1, 0x0, {0x1f}}, 0x18) ioctl$NBD_CLEAR_SOCK(r5, 0xab04) ioctl$NBD_SET_SOCK(r0, 0xab03, 0xffffffffffffffff) 22:52:50 executing program 1: r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000000)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = syz_open_dev$ndb(&(0x7f0000000140)='/dev/nbd#\x00', 0x0, 0x0) ioctl$NBD_SET_TIMEOUT(r2, 0xab09, 0x0) ioctl$NBD_CLEAR_SOCK(r2, 0xab04) ioctl$NBD_SET_SOCK(r0, 0xab03, 0xffffffffffffffff) [ 1947.762166] block nbd3: Receive control failed (result -32) [ 1947.762343] block nbd3: shutting down sockets [ 1947.834537] block nbd0: shutting down sockets [ 1947.846183] block nbd1: shutting down sockets 22:52:50 executing program 2: r0 = syz_open_dev$ndb(&(0x7f0000000000)='/dev/nbd#\x00', 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) r2 = socket$nl_generic(0x10, 0x3, 0x10) r3 = syz_genetlink_get_family_id$ethtool(&(0x7f00000000c0)='ethtool\x00') sendmsg$ETHTOOL_MSG_LINKINFO_SET(r2, &(0x7f0000000200)={&(0x7f0000000080)={0x10, 0x0, 0x0, 0x80000}, 0xc, &(0x7f0000000100)={&(0x7f0000000180)={0x4c, r3, 0x4, 0x70bd2c, 0x25dfdbfe, {}, [@ETHTOOL_A_LINKINFO_HEADER={0x28, 0x1, 0x0, 0x1, [@ETHTOOL_A_HEADER_DEV_NAME={0x14, 0x2, 'batadv_slave_1\x00'}, @ETHTOOL_A_HEADER_FLAGS={0x8, 0x3, 0x1}, @ETHTOOL_A_HEADER_FLAGS={0x8, 0x3, 0x2}]}, @ETHTOOL_A_LINKINFO_TP_MDIX_CTRL={0x5, 0x5, 0x6}, @ETHTOOL_A_LINKINFO_PHYADDR={0x5, 0x3, 0x7}]}, 0x4c}, 0x1, 0x0, 0x0, 0x40000}, 0x8085) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r4 = syz_open_dev$ndb(&(0x7f0000000140)='/dev/nbd#\x00', 0x0, 0x0) ioctl$NBD_CLEAR_SOCK(r4, 0xab04) ioctl$NBD_SET_SOCK(r0, 0xab03, 0xffffffffffffffff) [ 1947.991359] block nbd2: shutting down sockets [ 1948.006238] block nbd2: shutting down sockets 22:52:50 executing program 5: r0 = syz_open_dev$ndb(&(0x7f0000000000)='/dev/nbd#\x00', 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) ioctl$NBD_SET_TIMEOUT(r0, 0xab09, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) ioctl$NBD_SET_SOCK(r0, 0xab03, 0xffffffffffffffff) 22:52:50 executing program 0: r0 = syz_open_dev$ndb(&(0x7f0000000000)='/dev/nbd#\x00', 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) syz_open_dev$ndb(&(0x7f0000000140)='/dev/nbd#\x00', 0x0, 0x0) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0xe7) ioctl$NBD_SET_SOCK(r0, 0xab03, 0xffffffffffffffff) 22:52:50 executing program 1: r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000000)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = syz_open_dev$ndb(&(0x7f0000000140)='/dev/nbd#\x00', 0x0, 0x0) ioctl$NBD_SET_TIMEOUT(r2, 0xab09, 0x0) ioctl$NBD_CLEAR_SOCK(r2, 0xab04) ioctl$NBD_SET_SOCK(r0, 0xab03, 0xffffffffffffffff) 22:52:50 executing program 2: r0 = syz_open_dev$ndb(&(0x7f0000000000)='/dev/nbd#\x00', 0x0, 0x0) ioctl$DRM_IOCTL_MODE_GETPLANERESOURCES(0xffffffffffffffff, 0xc01064b5, &(0x7f00000000c0)={&(0x7f0000000080)=[0x0, 0x0, 0x0], 0x3}) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = syz_open_dev$ndb(&(0x7f0000000140)='/dev/nbd#\x00', 0x0, 0x0) r3 = openat$dlm_control(0xffffffffffffff9c, &(0x7f0000000000)='/dev/dlm-control\x00', 0x0, 0x0) ioctl$SNDRV_PCM_IOCTL_XRUN(r3, 0x4148, 0x0) ioctl$NBD_SET_TIMEOUT(r3, 0xab09, 0x7) ioctl$NBD_CLEAR_SOCK(r2, 0xab04) ioctl$NBD_SET_SOCK(r0, 0xab03, 0xffffffffffffffff) [ 1948.075982] block nbd5: Receive control failed (result -32) [ 1948.082184] block nbd5: shutting down sockets [ 1948.120914] block nbd2: shutting down sockets 22:52:50 executing program 1: r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000000)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = syz_open_dev$ndb(&(0x7f0000000140)='/dev/nbd#\x00', 0x0, 0x0) ioctl$NBD_SET_TIMEOUT(r2, 0xab09, 0x5) ioctl$NBD_CLEAR_SOCK(0xffffffffffffffff, 0xab04) ioctl$NBD_SET_SOCK(r0, 0xab03, 0xffffffffffffffff) [ 1948.143347] block nbd2: shutting down sockets [ 1948.145059] block nbd1: shutting down sockets 22:52:50 executing program 2: r0 = syz_open_dev$ndb(&(0x7f0000000000)='/dev/nbd#\x00', 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) syz_open_dev$ndb(&(0x7f0000000140)='/dev/nbd#\x00', 0x0, 0x0) syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x103000) r2 = openat$dlm_control(0xffffffffffffff9c, &(0x7f0000000000)='/dev/dlm-control\x00', 0x0, 0x0) ioctl$SNDRV_PCM_IOCTL_XRUN(r2, 0x4148, 0x0) openat$dlm_control(0xffffffffffffff9c, &(0x7f00000000c0)='/dev/dlm-control\x00', 0x404000, 0x0) r3 = openat$dlm_control(0xffffffffffffff9c, &(0x7f0000000000)='/dev/dlm-control\x00', 0x0, 0x0) ioctl$SNDRV_PCM_IOCTL_XRUN(r3, 0x4148, 0x0) r4 = openat$dlm_control(0xffffffffffffff9c, &(0x7f0000000000)='/dev/dlm-control\x00', 0x0, 0x0) ioctl$SNDRV_PCM_IOCTL_XRUN(r4, 0x4148, 0x0) ioctl$NBD_SET_TIMEOUT(r4, 0xab09, 0xfffffffffffffff9) ioctl$NBD_CLEAR_SOCK(r3, 0xab04) ioctl$NBD_SET_SOCK(r0, 0xab03, 0xffffffffffffffff) 22:52:51 executing program 3: r0 = syz_open_dev$ndb(&(0x7f0000000000)='/dev/nbd#\x00', 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) ioctl$NBD_SET_TIMEOUT(r0, 0xab09, 0x6) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = syz_open_dev$ndb(&(0x7f0000000140)='/dev/nbd#\x00', 0x0, 0x0) ioctl$NBD_CLEAR_SOCK(r2, 0xab04) ioctl$NBD_SET_SOCK(0xffffffffffffffff, 0xab03, 0xffffffffffffffff) 22:52:51 executing program 4: r0 = syz_open_dev$ndb(&(0x7f0000000000)='/dev/nbd#\x00', 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) ioctl$NBD_SET_TIMEOUT(r0, 0xab09, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) ioctl$NBD_SET_SOCK(r0, 0xab03, 0xffffffffffffffff) [ 1948.645904] block nbd4: Receive control failed (result -32) [ 1948.646245] block nbd4: shutting down sockets [ 1948.667979] block nbd3: Receive control failed (result -32) [ 1948.668396] block nbd3: shutting down sockets 22:52:51 executing program 3: r0 = syz_open_dev$ndb(&(0x7f0000000000)='/dev/nbd#\x00', 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) ioctl$NBD_SET_TIMEOUT(r0, 0xab09, 0x6) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = syz_open_dev$ndb(&(0x7f0000000140)='/dev/nbd#\x00', 0x0, 0x0) ioctl$NBD_CLEAR_SOCK(r2, 0xab04) ioctl$NBD_SET_SOCK(0xffffffffffffffff, 0xab03, 0xffffffffffffffff) [ 1948.717680] block nbd3: shutting down sockets 22:52:51 executing program 3: r0 = syz_open_dev$ndb(&(0x7f0000000000)='/dev/nbd#\x00', 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) ioctl$NBD_SET_TIMEOUT(r0, 0xab09, 0x6) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = syz_open_dev$ndb(&(0x7f0000000140)='/dev/nbd#\x00', 0x0, 0x0) ioctl$NBD_CLEAR_SOCK(r2, 0xab04) ioctl$NBD_SET_SOCK(0xffffffffffffffff, 0xab03, 0xffffffffffffffff) [ 1948.761823] block nbd3: shutting down sockets [ 1948.808573] block nbd3: shutting down sockets 22:52:51 executing program 3: r0 = syz_open_dev$ndb(&(0x7f0000000000)='/dev/nbd#\x00', 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) r2 = openat$sequencer2(0xffffffffffffff9c, &(0x7f0000000080)='/dev/sequencer2\x00', 0x10280, 0x0) ioctl$SNDCTL_SEQ_TESTMIDI(r2, 0x40045108, &(0x7f00000000c0)=0x40) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r3 = syz_open_dev$ndb(&(0x7f0000000140)='/dev/nbd#\x00', 0x0, 0x0) ioctl$NBD_CLEAR_SOCK(r3, 0xab04) ioctl$NBD_SET_SOCK(r0, 0xab03, 0xffffffffffffffff) 22:52:51 executing program 3: r0 = syz_open_dev$ndb(&(0x7f0000000000)='/dev/nbd#\x00', 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) r2 = openat$sequencer2(0xffffffffffffff9c, &(0x7f0000000080)='/dev/sequencer2\x00', 0x10280, 0x0) ioctl$SNDCTL_SEQ_TESTMIDI(r2, 0x40045108, &(0x7f00000000c0)=0x40) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r3 = syz_open_dev$ndb(&(0x7f0000000140)='/dev/nbd#\x00', 0x0, 0x0) ioctl$NBD_CLEAR_SOCK(r3, 0xab04) ioctl$NBD_SET_SOCK(r0, 0xab03, 0xffffffffffffffff) [ 1948.863220] block nbd3: shutting down sockets [ 1948.913893] block nbd3: shutting down sockets 22:52:51 executing program 5: r0 = syz_open_dev$ndb(&(0x7f0000000000)='/dev/nbd#\x00', 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) ioctl$NBD_SET_TIMEOUT(r0, 0xab09, 0x6) ioctl$NBD_SET_SOCK(0xffffffffffffffff, 0xab00, r1) ioctl$NBD_SET_SOCK(r0, 0xab03, 0xffffffffffffffff) 22:52:51 executing program 3: r0 = syz_open_dev$ndb(&(0x7f0000000000)='/dev/nbd#\x00', 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) ioctl$NBD_SET_TIMEOUT(r0, 0xab09, 0x6) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = syz_open_dev$ndb(0x0, 0x0, 0x0) ioctl$NBD_CLEAR_SOCK(r2, 0xab04) ioctl$NBD_SET_SOCK(r0, 0xab03, 0xffffffffffffffff) 22:52:51 executing program 0: r0 = syz_open_dev$ndb(&(0x7f0000000000)='/dev/nbd#\x00', 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) syz_open_dev$ndb(&(0x7f0000000140)='/dev/nbd#\x00', 0x0, 0x0) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0xe7) ioctl$NBD_SET_SOCK(r0, 0xab03, 0xffffffffffffffff) [ 1948.962079] block nbd0: Receive control failed (result -32) [ 1948.962331] block nbd0: shutting down sockets [ 1948.987562] block nbd5: Receive control failed (result -32) [ 1948.994816] block nbd5: shutting down sockets 22:52:51 executing program 1: r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000000)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = syz_open_dev$ndb(&(0x7f0000000140)='/dev/nbd#\x00', 0x0, 0x0) ioctl$NBD_SET_TIMEOUT(r2, 0xab09, 0x5) ioctl$NBD_CLEAR_SOCK(0xffffffffffffffff, 0xab04) ioctl$NBD_SET_SOCK(r0, 0xab03, 0xffffffffffffffff) [ 1949.061615] block nbd1: Receive control failed (result -32) [ 1949.061976] block nbd1: shutting down sockets [ 1949.075986] block nbd2: Receive control failed (result -32) [ 1949.083152] block nbd2: shutting down sockets 22:52:51 executing program 5: r0 = syz_open_dev$ndb(&(0x7f0000000000)='/dev/nbd#\x00', 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) ioctl$NBD_SET_TIMEOUT(r0, 0xab09, 0x6) ioctl$NBD_SET_SOCK(0xffffffffffffffff, 0xab00, r1) ioctl$NBD_SET_SOCK(r0, 0xab03, 0xffffffffffffffff) 22:52:51 executing program 2: r0 = syz_open_dev$ndb(&(0x7f0000000000)='/dev/nbd#\x00', 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = syz_open_dev$ndb(&(0x7f0000000140)='/dev/nbd#\x00', 0x0, 0x0) ioctl$NBD_CLEAR_SOCK(r2, 0xab04) r3 = syz_open_dev$ndb(&(0x7f00000000c0)='/dev/nbd#\x00', 0x0, 0xe4101) ioctl$NBD_SET_SOCK(r3, 0xab00, r1) ioctl$SNDRV_PCM_IOCTL_SYNC_PTR(0xffffffffffffffff, 0xc0884123, &(0x7f0000000180)={0x6, "1590470a1a5c6981e2543a54e19da6d2f1a2f43dd674f58ed452b8edc13399c2ea7d37b584372bdb61fd8890809ad50a643b5becc1075850e12795dbfbd81b09", {0x10000, 0x180c}}) ioctl$NBD_SET_SOCK(r0, 0xab03, 0xffffffffffffffff) r4 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x400) ioctl$NBD_SET_BLKSIZE(r4, 0xab01, 0x9) [ 1949.156608] block nbd2: Receive control failed (result -32) [ 1949.157504] block nbd2: shutting down sockets 22:52:51 executing program 5: r0 = syz_open_dev$ndb(&(0x7f0000000000)='/dev/nbd#\x00', 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) ioctl$NBD_SET_TIMEOUT(r0, 0xab09, 0x6) ioctl$NBD_SET_SOCK(0xffffffffffffffff, 0xab00, r1) ioctl$NBD_SET_SOCK(r0, 0xab03, 0xffffffffffffffff) [ 1949.252515] block nbd2: shutting down sockets [ 1949.263774] block nbd2: server does not support multiple connections per device. [ 1949.284351] block nbd2: shutting down sockets [ 1949.298126] block nbd2: server does not support multiple connections per device. 22:52:52 executing program 4: r0 = syz_open_dev$ndb(&(0x7f0000000000)='/dev/nbd#\x00', 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) ioctl$NBD_SET_TIMEOUT(r0, 0xab09, 0x6) ioctl$NBD_SET_SOCK(0xffffffffffffffff, 0xab00, r1) ioctl$NBD_SET_SOCK(r0, 0xab03, 0xffffffffffffffff) 22:52:52 executing program 5: r0 = syz_open_dev$ndb(&(0x7f0000000000)='/dev/nbd#\x00', 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)) ioctl$NBD_SET_TIMEOUT(r0, 0xab09, 0x6) ioctl$NBD_SET_SOCK(r0, 0xab00, 0xffffffffffffffff) ioctl$NBD_SET_SOCK(r0, 0xab03, 0xffffffffffffffff) 22:52:52 executing program 2: r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x121000) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff, 0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r3 = syz_open_dev$ndb(&(0x7f0000000140)='/dev/nbd#\x00', 0x0, 0x0) ioctl$NBD_CLEAR_SOCK(r3, 0xab04) ioctl$NBD_SET_SOCK(r0, 0xab03, 0xffffffffffffffff) r4 = openat$dlm_control(0xffffffffffffff9c, &(0x7f00000000c0)='/dev/dlm-control\x00', 0x0, 0x0) syz_genetlink_get_family_id$nbd(&(0x7f0000000180)='nbd\x00') socketpair$nbd(0x1, 0x1, 0x0, &(0x7f00000001c0)={0xffffffffffffffff}) r6 = openat$dlm_control(0xffffffffffffff9c, &(0x7f0000000000)='/dev/dlm-control\x00', 0x0, 0x0) ioctl$NBD_SET_SIZE_BLOCKS(0xffffffffffffffff, 0xab07, 0x1) ioctl$SNDRV_PCM_IOCTL_XRUN(r6, 0x4148, 0x0) r7 = openat$mixer(0xffffffffffffff9c, &(0x7f0000000200)='/dev/mixer\x00', 0x0, 0x0) ioctl$SOUND_MIXER_WRITE_RECSRC(r7, 0xc0044dff, &(0x7f0000000240)=0x4) sendmsg$NBD_CMD_DISCONNECT(r4, &(0x7f00000002c0)={&(0x7f0000000100)={0x10, 0x0, 0x0, 0x40000}, 0xc, &(0x7f0000000280)={&(0x7f0000000380)=ANY=[@ANYBLOB="7c000000c53f08e25de73d3125c7c6f6771554d8c83a9a824cf4dcf73d6ea6aa78590dabefe85eafb5a71fe034210195d1416b494803ceaafb35d8aee0dfaf45cd3f477ec4185bdd0a0010ff75bda126a8aa6e69ea0615cdff3fde9658e2e935980ef3e2e745b7b397f4e0ddfd5e6a9faced2bf763659177b3f5ff3ca133f62539c2def532bb8e2e9c9f53cf1747abb6e9f73a7189b4f077b371e6b9902ae4c3aa9dc9f86715d9ac7057748ab6ca81594e6c18dd1448ead4516cc56dcd917d3f9a5026c2bb7e960f15d7c6a1b973d1f8", @ANYRES16=r2, @ANYBLOB="000126bd7000ffdbdf25020000000c00050000000000000000000c00060001000000000000000c00030081000000000000000c00060000000000000000001400078008000100", @ANYRES32=r5, @ANYBLOB="08000100", @ANYRES32=r6, @ANYBLOB="0c00050084000000000000000c00020001000000010000000c0004000300000000000000"], 0x7c}, 0x1, 0x0, 0x0, 0x800}, 0x400c0) r8 = syz_open_dev$sndpcmc(&(0x7f0000000300)='/dev/snd/pcmC#D#c\x00', 0x5, 0x800) ioctl$SNDRV_PCM_IOCTL_RESUME(r8, 0x4147, 0x0) r9 = openat$dlm_control(0xffffffffffffff9c, &(0x7f0000000000)='/dev/dlm-control\x00', 0x0, 0x0) ioctl$SNDRV_PCM_IOCTL_XRUN(r9, 0x4148, 0x0) ioctl$NBD_SET_FLAGS(r9, 0xab0a, 0x82) [ 1949.563676] block nbd4: Receive control failed (result -32) [ 1949.564014] block nbd4: shutting down sockets 22:52:52 executing program 4: r0 = syz_open_dev$ndb(&(0x7f0000000000)='/dev/nbd#\x00', 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = syz_open_dev$ndb(&(0x7f0000000140)='/dev/nbd#\x00', 0x0, 0x0) ioctl$NBD_CLEAR_SOCK(r2, 0xab04) r3 = openat$dlm_control(0xffffffffffffff9c, &(0x7f0000000000)='/dev/dlm-control\x00', 0x0, 0x0) ioctl$SNDRV_PCM_IOCTL_XRUN(r3, 0x4148, 0x0) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0xe7) r4 = openat$dlm_control(0xffffffffffffff9c, &(0x7f0000000000)='/dev/dlm-control\x00', 0x0, 0x0) ioctl$SNDRV_PCM_IOCTL_XRUN(r4, 0x4148, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab03, 0xffffffffffffffff) 22:52:52 executing program 5: r0 = syz_open_dev$ndb(&(0x7f0000000000)='/dev/nbd#\x00', 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)) ioctl$NBD_SET_TIMEOUT(r0, 0xab09, 0x6) ioctl$NBD_SET_SOCK(r0, 0xab00, 0xffffffffffffffff) ioctl$NBD_SET_SOCK(r0, 0xab03, 0xffffffffffffffff) [ 1949.620779] block nbd2: shutting down sockets [ 1949.679997] block nbd4: shutting down sockets [ 1949.685115] block nbd2: Receive control failed (result -32) [ 1949.685732] block nbd2: shutting down sockets 22:52:52 executing program 4: r0 = syz_open_dev$ndb(&(0x7f0000000000)='/dev/nbd#\x00', 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = syz_open_dev$ndb(&(0x7f0000000140)='/dev/nbd#\x00', 0x0, 0x0) ioctl$NBD_CLEAR_SOCK(r2, 0xab04) r3 = openat$dlm_control(0xffffffffffffff9c, &(0x7f0000000000)='/dev/dlm-control\x00', 0x0, 0x0) ioctl$SNDRV_PCM_IOCTL_XRUN(r3, 0x4148, 0x0) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0xe7) r4 = openat$dlm_control(0xffffffffffffff9c, &(0x7f0000000000)='/dev/dlm-control\x00', 0x0, 0x0) ioctl$SNDRV_PCM_IOCTL_XRUN(r4, 0x4148, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab03, 0xffffffffffffffff) [ 1949.811344] block nbd4: shutting down sockets 22:52:52 executing program 3: r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x121000) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff, 0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r3 = syz_open_dev$ndb(&(0x7f0000000140)='/dev/nbd#\x00', 0x0, 0x0) ioctl$NBD_CLEAR_SOCK(r3, 0xab04) ioctl$NBD_SET_SOCK(r0, 0xab03, 0xffffffffffffffff) r4 = openat$dlm_control(0xffffffffffffff9c, &(0x7f00000000c0)='/dev/dlm-control\x00', 0x0, 0x0) syz_genetlink_get_family_id$nbd(&(0x7f0000000180)='nbd\x00') socketpair$nbd(0x1, 0x1, 0x0, &(0x7f00000001c0)={0xffffffffffffffff}) r6 = openat$dlm_control(0xffffffffffffff9c, &(0x7f0000000000)='/dev/dlm-control\x00', 0x0, 0x0) ioctl$NBD_SET_SIZE_BLOCKS(0xffffffffffffffff, 0xab07, 0x1) ioctl$SNDRV_PCM_IOCTL_XRUN(r6, 0x4148, 0x0) r7 = openat$mixer(0xffffffffffffff9c, &(0x7f0000000200)='/dev/mixer\x00', 0x0, 0x0) ioctl$SOUND_MIXER_WRITE_RECSRC(r7, 0xc0044dff, &(0x7f0000000240)=0x4) sendmsg$NBD_CMD_DISCONNECT(r4, &(0x7f00000002c0)={&(0x7f0000000100)={0x10, 0x0, 0x0, 0x40000}, 0xc, &(0x7f0000000280)={&(0x7f0000000380)=ANY=[@ANYBLOB="7c000000c53f08e25de73d3125c7c6f6771554d8c83a9a824cf4dcf73d6ea6aa78590dabefe85eafb5a71fe034210195d1416b494803ceaafb35d8aee0dfaf45cd3f477ec4185bdd0a0010ff75bda126a8aa6e69ea0615cdff3fde9658e2e935980ef3e2e745b7b397f4e0ddfd5e6a9faced2bf763659177b3f5ff3ca133f62539c2def532bb8e2e9c9f53cf1747abb6e9f73a7189b4f077b371e6b9902ae4c3aa9dc9f86715d9ac7057748ab6ca81594e6c18dd1448ead4516cc56dcd917d3f9a5026c2bb7e960f15d7c6a1b973d1f8", @ANYRES16=r2, @ANYBLOB="000126bd7000ffdbdf25020000000c00050000000000000000000c00060001000000000000000c00030081000000000000000c00060000000000000000001400078008000100", @ANYRES32=r5, @ANYBLOB="08000100", @ANYRES32=r6, @ANYBLOB="0c00050084000000000000000c00020001000000010000000c0004000300000000000000"], 0x7c}, 0x1, 0x0, 0x0, 0x800}, 0x400c0) r8 = syz_open_dev$sndpcmc(&(0x7f0000000300)='/dev/snd/pcmC#D#c\x00', 0x5, 0x800) ioctl$SNDRV_PCM_IOCTL_RESUME(r8, 0x4147, 0x0) r9 = openat$dlm_control(0xffffffffffffff9c, &(0x7f0000000000)='/dev/dlm-control\x00', 0x0, 0x0) ioctl$SNDRV_PCM_IOCTL_XRUN(r9, 0x4148, 0x0) ioctl$NBD_SET_FLAGS(r9, 0xab0a, 0x82) 22:52:52 executing program 0: r0 = syz_open_dev$ndb(&(0x7f0000000000)='/dev/nbd#\x00', 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) syz_open_dev$ndb(&(0x7f0000000140)='/dev/nbd#\x00', 0x0, 0x0) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0xe7) ioctl$NBD_SET_SOCK(r0, 0xab03, 0xffffffffffffffff) [ 1949.878253] block nbd3: Receive control failed (result -32) [ 1949.880301] block nbd0: shutting down sockets [ 1949.884445] block nbd3: shutting down sockets [ 1949.940653] block nbd3: shutting down sockets 22:52:52 executing program 1: r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000000)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = syz_open_dev$ndb(&(0x7f0000000140)='/dev/nbd#\x00', 0x0, 0x0) ioctl$NBD_SET_TIMEOUT(r2, 0xab09, 0x5) ioctl$NBD_CLEAR_SOCK(0xffffffffffffffff, 0xab04) ioctl$NBD_SET_SOCK(r0, 0xab03, 0xffffffffffffffff) 22:52:52 executing program 5: r0 = syz_open_dev$ndb(&(0x7f0000000000)='/dev/nbd#\x00', 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)) ioctl$NBD_SET_TIMEOUT(r0, 0xab09, 0x6) ioctl$NBD_SET_SOCK(r0, 0xab00, 0xffffffffffffffff) ioctl$NBD_SET_SOCK(r0, 0xab03, 0xffffffffffffffff) 22:52:52 executing program 2: r0 = syz_open_dev$ndb(&(0x7f0000000000)='/dev/nbd#\x00', 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = syz_open_dev$ndb(&(0x7f0000000140)='/dev/nbd#\x00', 0x0, 0x0) ioctl$NBD_CLEAR_SOCK(r2, 0xab04) r3 = openat$dlm_control(0xffffffffffffff9c, &(0x7f0000000000)='/dev/dlm-control\x00', 0x0, 0x0) ioctl$SNDRV_PCM_IOCTL_XRUN(r3, 0x4148, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab03, r3) r4 = socket$nl_generic(0x10, 0x3, 0x10) r5 = openat$dlm_control(0xffffffffffffff9c, &(0x7f0000000000)='/dev/dlm-control\x00', 0x0, 0x0) ioctl$SNDRV_PCM_IOCTL_XRUN(r5, 0x4148, 0x0) ioctl$SNDRV_PCM_IOCTL_INFO(r5, 0x81204101, &(0x7f00000001c0)) sendmsg$NLBL_MGMT_C_ADD(r4, &(0x7f0000000180)={&(0x7f0000000080)={0x10, 0x0, 0x0, 0x8000000}, 0xc, &(0x7f0000000100)={&(0x7f00000000c0)={0x1c, 0x0, 0x400, 0x70bd26, 0x25dfdbfc, {}, [@NLBL_MGMT_A_CLPDOI={0x8}]}, 0x1c}, 0x1, 0x0, 0x0, 0x20000090}, 0x40) 22:52:52 executing program 4: r0 = syz_open_dev$ndb(&(0x7f0000000000)='/dev/nbd#\x00', 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = syz_open_dev$ndb(&(0x7f0000000140)='/dev/nbd#\x00', 0x0, 0x0) ioctl$NBD_CLEAR_SOCK(r2, 0xab04) r3 = openat$dlm_control(0xffffffffffffff9c, &(0x7f0000000000)='/dev/dlm-control\x00', 0x0, 0x0) ioctl$SNDRV_PCM_IOCTL_XRUN(r3, 0x4148, 0x0) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0xe7) r4 = openat$dlm_control(0xffffffffffffff9c, &(0x7f0000000000)='/dev/dlm-control\x00', 0x0, 0x0) ioctl$SNDRV_PCM_IOCTL_XRUN(r4, 0x4148, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab03, 0xffffffffffffffff) 22:52:52 executing program 3: r0 = syz_open_dev$ndb(&(0x7f0000000000)='/dev/nbd#\x00', 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = syz_open_dev$ndb(&(0x7f0000000140)='/dev/nbd#\x00', 0x0, 0x0) ioctl$NBD_CLEAR_SOCK(r2, 0xab04) r3 = openat$dlm_control(0xffffffffffffff9c, &(0x7f0000000000)='/dev/dlm-control\x00', 0x0, 0x0) ioctl$SNDRV_PCM_IOCTL_XRUN(r3, 0x4148, 0x0) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0xe7) r4 = openat$dlm_control(0xffffffffffffff9c, &(0x7f0000000000)='/dev/dlm-control\x00', 0x0, 0x0) ioctl$SNDRV_PCM_IOCTL_XRUN(r4, 0x4148, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab03, 0xffffffffffffffff) [ 1950.009895] block nbd1: Receive control failed (result -32) [ 1950.010312] block nbd1: shutting down sockets 22:52:52 executing program 5: r0 = syz_open_dev$ndb(&(0x7f0000000000)='/dev/nbd#\x00', 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) ioctl$NBD_SET_TIMEOUT(r0, 0xab09, 0x6) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) ioctl$NBD_SET_SOCK(0xffffffffffffffff, 0xab03, 0xffffffffffffffff) [ 1950.088084] block nbd4: shutting down sockets [ 1950.088919] block nbd2: shutting down sockets [ 1950.103182] block nbd3: shutting down sockets 22:52:52 executing program 4: r0 = syz_open_dev$ndb(&(0x7f0000000000)='/dev/nbd#\x00', 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = syz_open_dev$ndb(&(0x7f0000000140)='/dev/nbd#\x00', 0x0, 0x0) ioctl$NBD_CLEAR_SOCK(r2, 0xab04) r3 = openat$dlm_control(0xffffffffffffff9c, &(0x7f0000000000)='/dev/dlm-control\x00', 0x0, 0x0) ioctl$SNDRV_PCM_IOCTL_XRUN(r3, 0x4148, 0x0) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0xe7) openat$dlm_control(0xffffffffffffff9c, &(0x7f0000000000)='/dev/dlm-control\x00', 0x0, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab03, 0xffffffffffffffff) 22:52:52 executing program 3: r0 = syz_open_dev$ndb(&(0x7f0000000000)='/dev/nbd#\x00', 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = syz_open_dev$ndb(&(0x7f0000000140)='/dev/nbd#\x00', 0x0, 0x0) ioctl$NBD_CLEAR_SOCK(r2, 0xab04) r3 = openat$dlm_control(0xffffffffffffff9c, &(0x7f0000000000)='/dev/dlm-control\x00', 0x0, 0x0) ioctl$SNDRV_PCM_IOCTL_XRUN(r3, 0x4148, 0x0) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0xe7) r4 = openat$dlm_control(0xffffffffffffff9c, &(0x7f0000000000)='/dev/dlm-control\x00', 0x0, 0x0) ioctl$SNDRV_PCM_IOCTL_XRUN(r4, 0x4148, 0x0) bpf$BPF_BTF_LOAD(0x12, &(0x7f0000000180)={&(0x7f0000000080)={{0xeb9f, 0x1, 0x0, 0x18, 0x0, 0x18, 0x18, 0x4, [@array={0x0, 0x0, 0x0, 0x3, 0x0, {0x4, 0x5, 0x7fff}}]}, {0x0, [0x0, 0x61]}}, &(0x7f00000000c0)=""/82, 0x34, 0x52, 0x1}, 0x20) ioctl$NBD_SET_SOCK(r0, 0xab03, 0xffffffffffffffff) 22:52:52 executing program 5: r0 = syz_open_dev$ndb(&(0x7f0000000000)='/dev/nbd#\x00', 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) ioctl$NBD_SET_TIMEOUT(r0, 0xab09, 0x6) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) ioctl$NBD_SET_SOCK(0xffffffffffffffff, 0xab03, 0xffffffffffffffff) [ 1950.164722] block nbd2: shutting down sockets [ 1950.172195] block nbd5: shutting down sockets 22:52:52 executing program 2: r0 = syz_open_dev$ndb(&(0x7f0000000000)='/dev/nbd#\x00', 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = syz_open_dev$ndb(&(0x7f0000000140)='/dev/nbd#\x00', 0x0, 0x0) r3 = socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NLBL_MGMT_C_REMOVEDEF(r3, &(0x7f00000001c0)={&(0x7f0000000080)={0x10, 0x0, 0x0, 0x8000}, 0xc, &(0x7f0000000180)={&(0x7f00000000c0)={0x4c, 0x0, 0x200, 0x70bd29, 0x25dfdbfe, {}, [@NLBL_MGMT_A_IPV6MASK={0x14, 0x6, @empty}, @NLBL_MGMT_A_IPV4ADDR={0x8, 0x7, @remote}, @NLBL_MGMT_A_IPV6MASK={0x14, 0x6, @empty}, @NLBL_MGMT_A_CLPDOI={0x8, 0xc, 0x2}]}, 0x4c}, 0x1, 0x0, 0x0, 0x1}, 0x20000000) ioctl$NBD_CLEAR_SOCK(r2, 0xab04) ioctl$NBD_SET_SOCK(r0, 0xab03, 0xffffffffffffffff) [ 1950.244336] block nbd4: shutting down sockets [ 1950.254130] block nbd3: shutting down sockets [ 1950.292143] block nbd5: shutting down sockets 22:52:52 executing program 4: r0 = syz_open_dev$ndb(&(0x7f0000000000)='/dev/nbd#\x00', 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = syz_open_dev$ndb(&(0x7f0000000140)='/dev/nbd#\x00', 0x0, 0x0) ioctl$NBD_CLEAR_SOCK(r2, 0xab04) r3 = openat$dlm_control(0xffffffffffffff9c, &(0x7f0000000000)='/dev/dlm-control\x00', 0x0, 0x0) ioctl$SNDRV_PCM_IOCTL_XRUN(r3, 0x4148, 0x0) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0xe7) ioctl$NBD_SET_SOCK(r0, 0xab03, 0xffffffffffffffff) [ 1950.313075] block nbd2: shutting down sockets [ 1950.327923] block nbd2: shutting down sockets [ 1950.382440] block nbd4: shutting down sockets 22:52:53 executing program 0: r0 = syz_open_dev$ndb(&(0x7f0000000000)='/dev/nbd#\x00', 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) ioctl$NBD_CLEAR_SOCK(0xffffffffffffffff, 0xab04) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0xe7) ioctl$NBD_SET_SOCK(r0, 0xab03, 0xffffffffffffffff) [ 1950.787520] block nbd0: Receive control failed (result -32) [ 1950.793405] block nbd0: shutting down sockets 22:52:53 executing program 1: r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000000)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = syz_open_dev$ndb(&(0x7f0000000140)='/dev/nbd#\x00', 0x0, 0x0) ioctl$NBD_SET_TIMEOUT(r2, 0xab09, 0x5) ioctl$NBD_CLEAR_SOCK(r2, 0xab04) ioctl$NBD_SET_SOCK(0xffffffffffffffff, 0xab03, 0xffffffffffffffff) 22:52:53 executing program 5: r0 = syz_open_dev$ndb(&(0x7f0000000000)='/dev/nbd#\x00', 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) ioctl$NBD_SET_TIMEOUT(r0, 0xab09, 0x6) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) ioctl$NBD_SET_SOCK(0xffffffffffffffff, 0xab03, 0xffffffffffffffff) 22:52:53 executing program 3: r0 = syz_open_dev$ndb(&(0x7f0000000000)='/dev/nbd#\x00', 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = syz_open_dev$ndb(&(0x7f0000000140)='/dev/nbd#\x00', 0x0, 0x0) ioctl$NBD_CLEAR_SOCK(r2, 0xab04) r3 = openat$dlm_control(0xffffffffffffff9c, &(0x7f0000000000)='/dev/dlm-control\x00', 0x0, 0x0) ioctl$SNDRV_PCM_IOCTL_XRUN(r3, 0x4148, 0x0) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0xe7) openat$dlm_control(0xffffffffffffff9c, &(0x7f0000000000)='/dev/dlm-control\x00', 0x0, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab03, 0xffffffffffffffff) 22:52:53 executing program 2: r0 = syz_genetlink_get_family_id$netlbl_mgmt(&(0x7f0000000100)='NLBL_MGMT\x00') sendmsg$NLBL_MGMT_C_PROTOCOLS(0xffffffffffffffff, &(0x7f0000000240)={&(0x7f00000000c0)={0x10, 0x0, 0x0, 0x8000004}, 0xc, &(0x7f0000000200)={&(0x7f0000000180)={0x74, r0, 0x1, 0x70bd2d, 0x25dfdbff, {}, [@NLBL_MGMT_A_DOMAIN={0xa, 0x1, '//]\'}\x00'}, @NLBL_MGMT_A_IPV4MASK={0x8, 0x8, @local}, @NLBL_MGMT_A_IPV6ADDR={0x14, 0x5, @rand_addr=' \x01\x00'}, @NLBL_MGMT_A_PROTOCOL={0x8, 0x2, 0x5}, @NLBL_MGMT_A_IPV6MASK={0x14, 0x6, @private2}, @NLBL_MGMT_A_IPV6ADDR={0x14, 0x5, @dev={0xfe, 0x80, [], 0x39}}, @NLBL_MGMT_A_IPV4ADDR={0x8, 0x7, @dev={0xac, 0x14, 0x14, 0x2a}}]}, 0x74}, 0x1, 0x0, 0x0, 0x4040}, 0x0) r1 = syz_open_dev$ndb(&(0x7f0000000000)='/dev/nbd#\x00', 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) r3 = syz_open_dev$ndb(&(0x7f0000000140)='/dev/nbd#\x00', 0x0, 0x0) r4 = openat$dlm_control(0xffffffffffffff9c, &(0x7f0000000000)='/dev/dlm-control\x00', 0x0, 0x0) ioctl$SNDRV_PCM_IOCTL_XRUN(r4, 0x4148, 0x0) ioctl$NBD_SET_SIZE(r4, 0xab02, 0x2) ioctl$NBD_CLEAR_SOCK(r3, 0xab04) r5 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x8000) ioctl$NBD_SET_SOCK(r5, 0xab03, r2) 22:52:53 executing program 4: r0 = syz_open_dev$ndb(&(0x7f0000000000)='/dev/nbd#\x00', 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = syz_open_dev$ndb(&(0x7f0000000140)='/dev/nbd#\x00', 0x0, 0x0) ioctl$NBD_CLEAR_SOCK(r2, 0xab04) r3 = openat$dlm_control(0xffffffffffffff9c, &(0x7f0000000000)='/dev/dlm-control\x00', 0x0, 0x0) ioctl$SNDRV_PCM_IOCTL_XRUN(r3, 0x4148, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab03, 0xffffffffffffffff) [ 1950.912034] block nbd1: Receive control failed (result -32) [ 1950.912372] block nbd1: shutting down sockets [ 1950.963549] block nbd1: shutting down sockets [ 1950.977473] block nbd4: shutting down sockets [ 1950.994496] block nbd2: shutting down sockets [ 1951.001063] block nbd3: shutting down sockets 22:52:53 executing program 1: r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000000)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = syz_open_dev$ndb(&(0x7f0000000140)='/dev/nbd#\x00', 0x0, 0x0) ioctl$NBD_SET_TIMEOUT(r2, 0xab09, 0x5) ioctl$NBD_CLEAR_SOCK(r2, 0xab04) ioctl$NBD_SET_SOCK(0xffffffffffffffff, 0xab03, 0xffffffffffffffff) [ 1951.010665] block nbd5: shutting down sockets [ 1951.040228] block nbd2: shutting down sockets 22:52:53 executing program 4: r0 = syz_open_dev$ndb(&(0x7f0000000000)='/dev/nbd#\x00', 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = syz_open_dev$ndb(&(0x7f0000000140)='/dev/nbd#\x00', 0x0, 0x0) ioctl$NBD_CLEAR_SOCK(r2, 0xab04) r3 = openat$dlm_control(0xffffffffffffff9c, &(0x7f0000000000)='/dev/dlm-control\x00', 0x0, 0x0) ioctl$SNDRV_PCM_IOCTL_XRUN(r3, 0x4148, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab03, 0xffffffffffffffff) 22:52:53 executing program 3: r0 = syz_open_dev$ndb(&(0x7f0000000000)='/dev/nbd#\x00', 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = syz_open_dev$ndb(&(0x7f0000000140)='/dev/nbd#\x00', 0x0, 0x0) ioctl$NBD_CLEAR_SOCK(r2, 0xab04) r3 = openat$dlm_control(0xffffffffffffff9c, &(0x7f0000000000)='/dev/dlm-control\x00', 0x0, 0x0) ioctl$SNDRV_PCM_IOCTL_XRUN(r3, 0x4148, 0x0) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0xe7) ioctl$NBD_SET_SOCK(r0, 0xab03, 0xffffffffffffffff) 22:52:53 executing program 5: r0 = syz_open_dev$ndb(&(0x7f0000000000)='/dev/nbd#\x00', 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = syz_open_dev$ndb(&(0x7f0000000140)='/dev/nbd#\x00', 0x0, 0x0) r3 = socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NLBL_MGMT_C_REMOVEDEF(r3, &(0x7f00000001c0)={&(0x7f0000000080)={0x10, 0x0, 0x0, 0x8000}, 0xc, &(0x7f0000000180)={&(0x7f00000000c0)={0x4c, 0x0, 0x200, 0x70bd29, 0x25dfdbfe, {}, [@NLBL_MGMT_A_IPV6MASK={0x14, 0x6, @empty}, @NLBL_MGMT_A_IPV4ADDR={0x8, 0x7, @remote}, @NLBL_MGMT_A_IPV6MASK={0x14, 0x6, @empty}, @NLBL_MGMT_A_CLPDOI={0x8, 0xc, 0x2}]}, 0x4c}, 0x1, 0x0, 0x0, 0x1}, 0x20000000) ioctl$NBD_CLEAR_SOCK(r2, 0xab04) ioctl$NBD_SET_SOCK(r0, 0xab03, 0xffffffffffffffff) [ 1951.064752] block nbd2: Could not allocate knbd recv work queue. [ 1951.101218] block nbd1: shutting down sockets 22:52:53 executing program 2: r0 = syz_open_dev$ndb(&(0x7f0000000000)='/dev/nbd#\x00', 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x4a82) ioctl$NBD_CLEAR_SOCK(r2, 0xab04) ioctl$NBD_SET_SOCK(r0, 0xab03, 0xffffffffffffffff) 22:52:53 executing program 1: r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000000)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = syz_open_dev$ndb(&(0x7f0000000140)='/dev/nbd#\x00', 0x0, 0x0) ioctl$NBD_SET_TIMEOUT(r2, 0xab09, 0x5) ioctl$NBD_CLEAR_SOCK(r2, 0xab04) ioctl$NBD_SET_SOCK(0xffffffffffffffff, 0xab03, 0xffffffffffffffff) [ 1951.163200] block nbd4: shutting down sockets [ 1951.171772] block nbd5: shutting down sockets [ 1951.178637] block nbd3: shutting down sockets [ 1951.206832] block nbd1: shutting down sockets [ 1951.214683] block nbd2: shutting down sockets [ 1951.251394] block nbd2: shutting down sockets 22:52:54 executing program 0: r0 = syz_open_dev$ndb(&(0x7f0000000000)='/dev/nbd#\x00', 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) ioctl$NBD_CLEAR_SOCK(0xffffffffffffffff, 0xab04) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0xe7) ioctl$NBD_SET_SOCK(r0, 0xab03, 0xffffffffffffffff) 22:52:54 executing program 4: r0 = syz_open_dev$ndb(&(0x7f0000000000)='/dev/nbd#\x00', 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = syz_open_dev$ndb(&(0x7f0000000140)='/dev/nbd#\x00', 0x0, 0x0) ioctl$NBD_CLEAR_SOCK(r2, 0xab04) r3 = openat$dlm_control(0xffffffffffffff9c, &(0x7f0000000000)='/dev/dlm-control\x00', 0x0, 0x0) ioctl$SNDRV_PCM_IOCTL_XRUN(r3, 0x4148, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab03, 0xffffffffffffffff) 22:52:54 executing program 1: r0 = syz_genetlink_get_family_id$netlbl_mgmt(&(0x7f0000000100)='NLBL_MGMT\x00') sendmsg$NLBL_MGMT_C_PROTOCOLS(0xffffffffffffffff, &(0x7f0000000240)={&(0x7f00000000c0)={0x10, 0x0, 0x0, 0x8000004}, 0xc, &(0x7f0000000200)={&(0x7f0000000180)={0x74, r0, 0x1, 0x70bd2d, 0x25dfdbff, {}, [@NLBL_MGMT_A_DOMAIN={0xa, 0x1, '//]\'}\x00'}, @NLBL_MGMT_A_IPV4MASK={0x8, 0x8, @local}, @NLBL_MGMT_A_IPV6ADDR={0x14, 0x5, @rand_addr=' \x01\x00'}, @NLBL_MGMT_A_PROTOCOL={0x8, 0x2, 0x5}, @NLBL_MGMT_A_IPV6MASK={0x14, 0x6, @private2}, @NLBL_MGMT_A_IPV6ADDR={0x14, 0x5, @dev={0xfe, 0x80, [], 0x39}}, @NLBL_MGMT_A_IPV4ADDR={0x8, 0x7, @dev={0xac, 0x14, 0x14, 0x2a}}]}, 0x74}, 0x1, 0x0, 0x0, 0x4040}, 0x0) r1 = syz_open_dev$ndb(&(0x7f0000000000)='/dev/nbd#\x00', 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) r3 = syz_open_dev$ndb(&(0x7f0000000140)='/dev/nbd#\x00', 0x0, 0x0) r4 = openat$dlm_control(0xffffffffffffff9c, &(0x7f0000000000)='/dev/dlm-control\x00', 0x0, 0x0) ioctl$SNDRV_PCM_IOCTL_XRUN(r4, 0x4148, 0x0) ioctl$NBD_SET_SIZE(r4, 0xab02, 0x2) ioctl$NBD_CLEAR_SOCK(r3, 0xab04) r5 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x8000) ioctl$NBD_SET_SOCK(r5, 0xab03, r2) 22:52:54 executing program 3: r0 = syz_open_dev$ndb(&(0x7f0000000000)='/dev/nbd#\x00', 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = syz_open_dev$ndb(&(0x7f0000000140)='/dev/nbd#\x00', 0x0, 0x0) ioctl$NBD_CLEAR_SOCK(r2, 0xab04) r3 = openat$dlm_control(0xffffffffffffff9c, &(0x7f0000000000)='/dev/dlm-control\x00', 0x0, 0x0) ioctl$SNDRV_PCM_IOCTL_XRUN(r3, 0x4148, 0x0) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0xe7) ioctl$NBD_SET_SOCK(r0, 0xab03, 0xffffffffffffffff) 22:52:54 executing program 5: r0 = syz_genetlink_get_family_id$netlbl_mgmt(&(0x7f0000000100)='NLBL_MGMT\x00') sendmsg$NLBL_MGMT_C_PROTOCOLS(0xffffffffffffffff, &(0x7f0000000240)={&(0x7f00000000c0)={0x10, 0x0, 0x0, 0x8000004}, 0xc, &(0x7f0000000200)={&(0x7f0000000180)={0x74, r0, 0x1, 0x70bd2d, 0x25dfdbff, {}, [@NLBL_MGMT_A_DOMAIN={0xa, 0x1, '//]\'}\x00'}, @NLBL_MGMT_A_IPV4MASK={0x8, 0x8, @local}, @NLBL_MGMT_A_IPV6ADDR={0x14, 0x5, @rand_addr=' \x01\x00'}, @NLBL_MGMT_A_PROTOCOL={0x8, 0x2, 0x5}, @NLBL_MGMT_A_IPV6MASK={0x14, 0x6, @private2}, @NLBL_MGMT_A_IPV6ADDR={0x14, 0x5, @dev={0xfe, 0x80, [], 0x39}}, @NLBL_MGMT_A_IPV4ADDR={0x8, 0x7, @dev={0xac, 0x14, 0x14, 0x2a}}]}, 0x74}, 0x1, 0x0, 0x0, 0x4040}, 0x0) r1 = syz_open_dev$ndb(&(0x7f0000000000)='/dev/nbd#\x00', 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) r3 = syz_open_dev$ndb(&(0x7f0000000140)='/dev/nbd#\x00', 0x0, 0x0) r4 = openat$dlm_control(0xffffffffffffff9c, &(0x7f0000000000)='/dev/dlm-control\x00', 0x0, 0x0) ioctl$SNDRV_PCM_IOCTL_XRUN(r4, 0x4148, 0x0) ioctl$NBD_SET_SIZE(r4, 0xab02, 0x2) ioctl$NBD_CLEAR_SOCK(r3, 0xab04) r5 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x8000) ioctl$NBD_SET_SOCK(r5, 0xab03, r2) 22:52:54 executing program 2: r0 = syz_open_dev$ndb(&(0x7f0000000000)='/dev/nbd#\x00', 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) ioctl$NBD_CLEAR_SOCK(r2, 0xab04) ioctl$NBD_SET_SOCK(r0, 0xab03, 0xffffffffffffffff) [ 1951.667923] block nbd0: Receive control failed (result -32) [ 1951.668335] block nbd0: shutting down sockets [ 1951.738600] block nbd2: shutting down sockets [ 1951.742385] block nbd5: shutting down sockets [ 1951.748148] block nbd4: shutting down sockets [ 1951.749097] block nbd1: shutting down sockets [ 1951.769455] block nbd3: shutting down sockets 22:52:54 executing program 4: r0 = syz_open_dev$ndb(&(0x7f0000000000)='/dev/nbd#\x00', 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = syz_open_dev$ndb(&(0x7f0000000140)='/dev/nbd#\x00', 0x0, 0x0) ioctl$NBD_CLEAR_SOCK(r2, 0xab04) openat$dlm_control(0xffffffffffffff9c, &(0x7f0000000000)='/dev/dlm-control\x00', 0x0, 0x0) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0xe7) ioctl$NBD_SET_SOCK(r0, 0xab03, 0xffffffffffffffff) [ 1951.790470] block nbd2: shutting down sockets 22:52:54 executing program 5: r0 = syz_open_dev$ndb(&(0x7f0000000000)='/dev/nbd#\x00', 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = syz_open_dev$ndb(&(0x7f0000000140)='/dev/nbd#\x00', 0x0, 0x0) ioctl$NBD_CLEAR_SOCK(r2, 0xab04) r3 = openat$dlm_control(0xffffffffffffff9c, &(0x7f0000000000)='/dev/dlm-control\x00', 0x0, 0x0) ioctl$SNDRV_PCM_IOCTL_XRUN(r3, 0x4148, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab03, r3) r4 = socket$nl_generic(0x10, 0x3, 0x10) r5 = openat$dlm_control(0xffffffffffffff9c, &(0x7f0000000000)='/dev/dlm-control\x00', 0x0, 0x0) ioctl$SNDRV_PCM_IOCTL_XRUN(r5, 0x4148, 0x0) ioctl$SNDRV_PCM_IOCTL_INFO(r5, 0x81204101, &(0x7f00000001c0)) sendmsg$NLBL_MGMT_C_ADD(r4, &(0x7f0000000180)={&(0x7f0000000080)={0x10, 0x0, 0x0, 0x8000000}, 0xc, &(0x7f0000000100)={&(0x7f00000000c0)={0x1c, 0x0, 0x400, 0x70bd26, 0x25dfdbfc, {}, [@NLBL_MGMT_A_CLPDOI={0x8}]}, 0x1c}, 0x1, 0x0, 0x0, 0x20000090}, 0x40) 22:52:54 executing program 3: r0 = syz_open_dev$ndb(&(0x7f0000000000)='/dev/nbd#\x00', 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = syz_open_dev$ndb(&(0x7f0000000140)='/dev/nbd#\x00', 0x0, 0x0) ioctl$NBD_CLEAR_SOCK(r2, 0xab04) r3 = openat$dlm_control(0xffffffffffffff9c, &(0x7f0000000000)='/dev/dlm-control\x00', 0x0, 0x0) ioctl$SNDRV_PCM_IOCTL_XRUN(r3, 0x4148, 0x0) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0xe7) ioctl$NBD_SET_SOCK(r0, 0xab03, 0xffffffffffffffff) 22:52:54 executing program 2: r0 = syz_open_dev$ndb(&(0x7f0000000000)='/dev/nbd#\x00', 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = syz_open_dev$ndb(&(0x7f0000000140)='/dev/nbd#\x00', 0x0, 0x0) ioctl$NBD_CLEAR_SOCK(r2, 0xab04) ioctl$NBD_SET_SOCK(r0, 0xab03, 0xffffffffffffffff) ioctl$NBD_SET_TIMEOUT(r0, 0xab09, 0x7) 22:52:54 executing program 1: r0 = syz_open_dev$ndb(&(0x7f0000000000)='/dev/nbd#\x00', 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) ioctl$BTRFS_IOC_SCRUB_PROGRESS(r1, 0xc400941d, &(0x7f0000000180)={0x0, 0x3, 0x5}) r2 = openat$sequencer2(0xffffffffffffff9c, &(0x7f0000000080)='/dev/sequencer2\x00', 0x94080, 0x0) ioctl$SNDCTL_MIDI_INFO(r2, 0xc074510c, &(0x7f00000000c0)={"9b7dca62f24690d874c6b7efb4d89fa48bac9b84ac3fe382f41cca8875e9", 0x401, 0x3, 0x0, [0x1, 0xfff, 0xfffffe00, 0x2, 0x9, 0x8, 0x7fffffff, 0x2, 0x4, 0x9, 0x9, 0x2dbd, 0x2, 0x6, 0x4, 0xa9e, 0xa89, 0x3a4]}) r3 = syz_open_dev$ndb(&(0x7f0000000140)='/dev/nbd#\x00', 0x0, 0x0) ioctl$NBD_SET_BLKSIZE(r3, 0xab01, 0x9) ioctl$NBD_CLEAR_SOCK(r3, 0xab04) ioctl$NBD_SET_SOCK(r0, 0xab03, 0xffffffffffffffff) [ 1951.898249] block nbd5: shutting down sockets [ 1951.913059] block nbd4: shutting down sockets [ 1951.936701] block nbd3: shutting down sockets 22:52:54 executing program 5: r0 = syz_open_dev$ndb(&(0x7f0000000000)='/dev/nbd#\x00', 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) ioctl$BTRFS_IOC_SCRUB_PROGRESS(r1, 0xc400941d, &(0x7f0000000180)={0x0, 0x3, 0x5}) r2 = openat$sequencer2(0xffffffffffffff9c, &(0x7f0000000080)='/dev/sequencer2\x00', 0x94080, 0x0) ioctl$SNDCTL_MIDI_INFO(r2, 0xc074510c, &(0x7f00000000c0)={"9b7dca62f24690d874c6b7efb4d89fa48bac9b84ac3fe382f41cca8875e9", 0x401, 0x3, 0x0, [0x1, 0xfff, 0xfffffe00, 0x2, 0x9, 0x8, 0x7fffffff, 0x2, 0x4, 0x9, 0x9, 0x2dbd, 0x2, 0x6, 0x4, 0xa9e, 0xa89, 0x3a4]}) r3 = syz_open_dev$ndb(&(0x7f0000000140)='/dev/nbd#\x00', 0x0, 0x0) ioctl$NBD_SET_BLKSIZE(r3, 0xab01, 0x9) ioctl$NBD_CLEAR_SOCK(r3, 0xab04) ioctl$NBD_SET_SOCK(r0, 0xab03, 0xffffffffffffffff) [ 1951.969591] block nbd2: shutting down sockets [ 1951.989557] block nbd1: shutting down sockets [ 1952.028275] block nbd2: Receive control failed (result -32) [ 1952.035013] block nbd2: shutting down sockets [ 1952.063770] block nbd5: shutting down sockets 22:52:55 executing program 0: r0 = syz_open_dev$ndb(&(0x7f0000000000)='/dev/nbd#\x00', 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) ioctl$NBD_CLEAR_SOCK(0xffffffffffffffff, 0xab04) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0xe7) ioctl$NBD_SET_SOCK(r0, 0xab03, 0xffffffffffffffff) 22:52:55 executing program 4: r0 = syz_open_dev$ndb(&(0x7f0000000000)='/dev/nbd#\x00', 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = syz_open_dev$ndb(&(0x7f0000000140)='/dev/nbd#\x00', 0x0, 0x0) ioctl$NBD_CLEAR_SOCK(r2, 0xab04) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0xe7) ioctl$NBD_SET_SOCK(r0, 0xab03, 0xffffffffffffffff) 22:52:55 executing program 3: r0 = syz_open_dev$ndb(&(0x7f0000000000)='/dev/nbd#\x00', 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = syz_open_dev$ndb(&(0x7f0000000140)='/dev/nbd#\x00', 0x0, 0x0) ioctl$NBD_CLEAR_SOCK(r2, 0xab04) r3 = openat$dlm_control(0xffffffffffffff9c, &(0x7f0000000000)='/dev/dlm-control\x00', 0x0, 0x0) ioctl$SNDRV_PCM_IOCTL_XRUN(r3, 0x4148, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab03, 0xffffffffffffffff) 22:52:55 executing program 1: r0 = syz_open_dev$ndb(&(0x7f0000000000)='/dev/nbd#\x00', 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) ioctl$NBD_SET_TIMEOUT(r0, 0xab09, 0x6) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = syz_open_dev$ndb(0x0, 0x0, 0x0) ioctl$NBD_CLEAR_SOCK(r2, 0xab04) ioctl$NBD_SET_SOCK(r0, 0xab03, 0xffffffffffffffff) 22:52:55 executing program 2: r0 = syz_open_dev$ndb(&(0x7f0000000000)='/dev/nbd#\x00', 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = syz_open_dev$ndb(&(0x7f0000000140)='/dev/nbd#\x00', 0x0, 0x0) ioctl$NBD_CLEAR_SOCK(r2, 0xab04) ioctl$NBD_SET_SOCK(r0, 0xab03, 0xffffffffffffffff) 22:52:55 executing program 5: r0 = syz_open_dev$ndb(&(0x7f0000000000)='/dev/nbd#\x00', 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = syz_open_dev$ndb(&(0x7f0000000140)='/dev/nbd#\x00', 0x0, 0x0) ioctl$NBD_CLEAR_SOCK(r2, 0xab04) ioctl$NBD_SET_SOCK(r0, 0xab03, 0xffffffffffffffff) r3 = syz_init_net_socket$nfc_llcp(0x27, 0x1, 0x1) setsockopt$nfc_llcp_NFC_LLCP_RW(r3, 0x118, 0x0, &(0x7f0000000080)=0xfffffffa, 0x4) [ 1952.565539] block nbd0: Receive control failed (result -32) [ 1952.565678] block nbd0: shutting down sockets [ 1952.633607] block nbd5: shutting down sockets [ 1952.641742] block nbd2: shutting down sockets [ 1952.646431] block nbd3: shutting down sockets [ 1952.659069] block nbd4: shutting down sockets 22:52:55 executing program 3: r0 = syz_open_dev$ndb(&(0x7f0000000000)='/dev/nbd#\x00', 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = syz_open_dev$ndb(&(0x7f0000000140)='/dev/nbd#\x00', 0x0, 0x0) ioctl$NBD_CLEAR_SOCK(r2, 0xab04) r3 = openat$dlm_control(0xffffffffffffff9c, &(0x7f0000000000)='/dev/dlm-control\x00', 0x0, 0x0) ioctl$SNDRV_PCM_IOCTL_XRUN(r3, 0x4148, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab03, 0xffffffffffffffff) 22:52:55 executing program 5: r0 = syz_open_dev$ndb(&(0x7f0000000000)='/dev/nbd#\x00', 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_STATUS(r2, &(0x7f0000000200)={&(0x7f00000000c0)={0x10, 0x0, 0x0, 0x80000}, 0xc, &(0x7f0000000100)={&(0x7f0000000180)={0x5c, 0x0, 0x10, 0x70bd25, 0x25dfdbfd, {}, [@NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0xf1}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x1}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x6}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x7}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x7ff}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x1}]}, 0x5c}, 0x1, 0x0, 0x0, 0x8000}, 0x14) r3 = syz_open_dev$ndb(&(0x7f0000000140)='/dev/nbd#\x00', 0x0, 0x0) ioctl$NBD_CLEAR_SOCK(r3, 0xab04) ioctl$NBD_SET_SOCK(r0, 0xab03, 0xffffffffffffffff) r4 = openat$dlm_control(0xffffffffffffff9c, &(0x7f0000000000)='/dev/dlm-control\x00', 0x0, 0x0) ioctl$KVM_CREATE_DEVICE(r4, 0xc00caee0, &(0x7f0000000240)={0x6, 0xffffffffffffffff, 0x2}) ioctl$SNDRV_PCM_IOCTL_XRUN(r4, 0x4148, 0x0) ioctl$NBD_CLEAR_QUE(r4, 0xab05) [ 1952.729976] block nbd2: shutting down sockets 22:52:55 executing program 4: r0 = syz_open_dev$ndb(&(0x7f0000000000)='/dev/nbd#\x00', 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) syz_open_dev$ndb(&(0x7f0000000140)='/dev/nbd#\x00', 0x0, 0x0) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0xe7) ioctl$NBD_SET_SOCK(r0, 0xab03, 0xffffffffffffffff) [ 1952.755479] block nbd5: shutting down sockets 22:52:55 executing program 5: r0 = syz_open_dev$ndb(&(0x7f0000000000)='/dev/nbd#\x00', 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) r2 = openat$dlm_control(0xffffffffffffff9c, &(0x7f0000000000)='/dev/dlm-control\x00', 0x0, 0x0) ioctl$SNDRV_PCM_IOCTL_XRUN(r2, 0x4148, 0x0) getsockname$packet(r2, &(0x7f00000002c0)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000300)=0x14) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x13e) r3 = syz_open_dev$ndb(&(0x7f0000000140)='/dev/nbd#\x00', 0x0, 0x0) ioctl$NBD_CLEAR_SOCK(r3, 0xab04) r4 = socket$nl_generic(0x10, 0x3, 0x10) sendmsg$MPTCP_PM_CMD_SET_LIMITS(r4, &(0x7f0000000c80)={&(0x7f0000000bc0)={0x10, 0x0, 0x0, 0x20400000}, 0xc, &(0x7f0000000c40)={&(0x7f0000000c00)={0x14}, 0x14}}, 0x0) r5 = socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NLBL_MGMT_C_REMOVEDEF(r5, &(0x7f0000000280)={&(0x7f00000001c0)={0x10, 0x0, 0x0, 0x8}, 0xc, &(0x7f0000000240)={&(0x7f0000000200)={0x2c, 0x0, 0x20, 0x70bd28, 0x25dfdbfc, {}, [@NLBL_MGMT_A_DOMAIN={0xe, 0x1, '/dev/nbd#\x00'}, @NLBL_MGMT_A_FAMILY={0x6, 0xb, 0x2}]}, 0x2c}, 0x1, 0x0, 0x0, 0x20040825}, 0x4) sendmsg$NLBL_MGMT_C_LISTALL(r4, &(0x7f0000000180)={&(0x7f0000000080)={0x10, 0x0, 0x0, 0x20}, 0xc, &(0x7f0000000100)={&(0x7f00000000c0)={0x34, 0x0, 0x200, 0x70bd2a, 0x25dfdbff, {}, [@NLBL_MGMT_A_CV4DOI={0x8, 0x4, 0x2}, @NLBL_MGMT_A_CV4DOI={0x8}, @NLBL_MGMT_A_IPV4MASK={0x8, 0x8, @empty}, @NLBL_MGMT_A_IPV4ADDR={0x8, 0x7, @broadcast}]}, 0x34}, 0x1, 0x0, 0x0, 0x4000000}, 0x1) ioctl$NBD_SET_SOCK(r0, 0xab03, 0xffffffffffffffff) 22:52:55 executing program 2: sendmsg$NLBL_MGMT_C_ADD(0xffffffffffffffff, &(0x7f0000000180)={&(0x7f0000000080)={0x10, 0x0, 0x0, 0x20000}, 0xc, &(0x7f0000000100)={&(0x7f00000001c0)={0x7c, 0x0, 0x0, 0x70bd2b, 0x25dfdbfd, {}, [@NLBL_MGMT_A_IPV6MASK={0x14, 0x6, @initdev={0xfe, 0x88, [], 0x1, 0x0}}, @NLBL_MGMT_A_PROTOCOL={0x8, 0x2, 0x3}, @NLBL_MGMT_A_CLPDOI={0x8}, @NLBL_MGMT_A_CV4DOI={0x8, 0x4, 0x3}, @NLBL_MGMT_A_FAMILY={0x6, 0xb, 0x29}, @NLBL_MGMT_A_PROTOCOL={0x8, 0x2, 0x5}, @NLBL_MGMT_A_DOMAIN={0x12, 0x1, '/,%+\xc1^&$%[@]%\x00'}, @NLBL_MGMT_A_CLPDOI={0x8}, @NLBL_MGMT_A_CLPDOI={0x8}, @NLBL_MGMT_A_CV4DOI={0x8}]}, 0x7c}, 0x1, 0x0, 0x0, 0x89d3ca40e266d429}, 0x44) r0 = syz_open_dev$ndb(&(0x7f0000000000)='/dev/nbd#\x00', 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = socket$nl_generic(0x10, 0x3, 0x10) r3 = syz_open_dev$ndb(&(0x7f0000000280)='/dev/nbd#\x00', 0x0, 0x220c0) ioctl$NBD_SET_TIMEOUT(r3, 0xab09, 0xffff) sendmsg$MPTCP_PM_CMD_SET_LIMITS(r2, &(0x7f0000000c80)={&(0x7f0000000bc0)={0x10, 0x0, 0x0, 0x20400000}, 0xc, &(0x7f0000000c40)={&(0x7f0000000c00)={0x14}, 0x14}}, 0x0) r4 = syz_genetlink_get_family_id$netlbl_mgmt(&(0x7f0000000240)='NLBL_MGMT\x00') sendmsg$NLBL_MGMT_C_ADDDEF(r2, &(0x7f0000000300)={&(0x7f00000000c0)={0x10, 0x0, 0x0, 0x6c80a38}, 0xc, &(0x7f00000002c0)={&(0x7f0000000380)=ANY=[@ANYBLOB="1c005b31d3e19b7db8cfff583fc326b4dc56f5d733392720dfefa9f8d6f70602cfa5293b0c37a12e0f6acef1c69928df5fa7a8be1c0107019e8eabacf9431e64e1b8db9ca861e096b32df2a436f4167efec3093f8f63ffb7d865f637f4cf33d7ffcc522beaad6a31eb6ba9b0f347144d190ce51285d6658a02013e7a799c0546f5b5276c5cfa97760e0a2fb8875287f1df076d7f43658da511243d9a051223eec37d9695d63463da025daca98087550a0681eb50056fb4dfd0de93edb1619d7cf1a3c680a0514e111d6e4abac15da65486b9e17e00", @ANYRES16=r4, @ANYBLOB="300a28bd7000fedbdf25040000000800020003000000"], 0x1c}, 0x1, 0x0, 0x0, 0x10}, 0x804) r5 = syz_open_dev$ndb(&(0x7f0000000140)='/dev/nbd#\x00', 0x0, 0x0) ioctl$NBD_CLEAR_SOCK(r5, 0xab04) ioctl$NBD_SET_SOCK(r0, 0xab03, 0xffffffffffffffff) [ 1952.809049] block nbd3: shutting down sockets 22:52:55 executing program 3: r0 = syz_open_dev$ndb(&(0x7f0000000000)='/dev/nbd#\x00', 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = syz_open_dev$ndb(&(0x7f0000000140)='/dev/nbd#\x00', 0x0, 0x0) ioctl$NBD_CLEAR_SOCK(r2, 0xab04) r3 = openat$dlm_control(0xffffffffffffff9c, &(0x7f0000000000)='/dev/dlm-control\x00', 0x0, 0x0) ioctl$SNDRV_PCM_IOCTL_XRUN(r3, 0x4148, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab03, 0xffffffffffffffff) [ 1952.880175] block nbd5: shutting down sockets [ 1952.891640] block nbd2: shutting down sockets [ 1952.904287] block nbd3: shutting down sockets [ 1952.924774] block nbd2: shutting down sockets 22:52:56 executing program 0: r0 = syz_open_dev$ndb(&(0x7f0000000000)='/dev/nbd#\x00', 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)) r1 = syz_open_dev$ndb(&(0x7f0000000140)='/dev/nbd#\x00', 0x0, 0x0) ioctl$NBD_CLEAR_SOCK(r1, 0xab04) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0xe7) ioctl$NBD_SET_SOCK(r0, 0xab03, 0xffffffffffffffff) 22:52:56 executing program 5: r0 = syz_open_dev$ndb(&(0x7f0000000000)='/dev/nbd#\x00', 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) r2 = openat$dlm_control(0xffffffffffffff9c, &(0x7f0000000000)='/dev/dlm-control\x00', 0x0, 0x0) ioctl$SNDRV_PCM_IOCTL_XRUN(r2, 0x4148, 0x0) getsockname$packet(r2, &(0x7f00000002c0)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000300)=0x14) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x13e) r3 = syz_open_dev$ndb(&(0x7f0000000140)='/dev/nbd#\x00', 0x0, 0x0) ioctl$NBD_CLEAR_SOCK(r3, 0xab04) r4 = socket$nl_generic(0x10, 0x3, 0x10) sendmsg$MPTCP_PM_CMD_SET_LIMITS(r4, &(0x7f0000000c80)={&(0x7f0000000bc0)={0x10, 0x0, 0x0, 0x20400000}, 0xc, &(0x7f0000000c40)={&(0x7f0000000c00)={0x14}, 0x14}}, 0x0) r5 = socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NLBL_MGMT_C_REMOVEDEF(r5, &(0x7f0000000280)={&(0x7f00000001c0)={0x10, 0x0, 0x0, 0x8}, 0xc, &(0x7f0000000240)={&(0x7f0000000200)={0x2c, 0x0, 0x20, 0x70bd28, 0x25dfdbfc, {}, [@NLBL_MGMT_A_DOMAIN={0xe, 0x1, '/dev/nbd#\x00'}, @NLBL_MGMT_A_FAMILY={0x6, 0xb, 0x2}]}, 0x2c}, 0x1, 0x0, 0x0, 0x20040825}, 0x4) sendmsg$NLBL_MGMT_C_LISTALL(r4, &(0x7f0000000180)={&(0x7f0000000080)={0x10, 0x0, 0x0, 0x20}, 0xc, &(0x7f0000000100)={&(0x7f00000000c0)={0x34, 0x0, 0x200, 0x70bd2a, 0x25dfdbff, {}, [@NLBL_MGMT_A_CV4DOI={0x8, 0x4, 0x2}, @NLBL_MGMT_A_CV4DOI={0x8}, @NLBL_MGMT_A_IPV4MASK={0x8, 0x8, @empty}, @NLBL_MGMT_A_IPV4ADDR={0x8, 0x7, @broadcast}]}, 0x34}, 0x1, 0x0, 0x0, 0x4000000}, 0x1) ioctl$NBD_SET_SOCK(r0, 0xab03, 0xffffffffffffffff) 22:52:56 executing program 3: r0 = syz_open_dev$ndb(&(0x7f0000000000)='/dev/nbd#\x00', 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = syz_open_dev$ndb(&(0x7f0000000140)='/dev/nbd#\x00', 0x0, 0x0) ioctl$NBD_CLEAR_SOCK(r2, 0xab04) openat$dlm_control(0xffffffffffffff9c, &(0x7f0000000000)='/dev/dlm-control\x00', 0x0, 0x0) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0xe7) ioctl$NBD_SET_SOCK(r0, 0xab03, 0xffffffffffffffff) 22:52:56 executing program 2: r0 = syz_open_dev$ndb(&(0x7f0000000000)='/dev/nbd#\x00', 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = syz_open_dev$ndb(&(0x7f0000000140)='/dev/nbd#\x00', 0x0, 0x0) r3 = socket$nl_generic(0x10, 0x3, 0x10) sendmsg$MPTCP_PM_CMD_SET_LIMITS(r3, &(0x7f0000000c80)={&(0x7f0000000bc0)={0x10, 0x0, 0x0, 0x20400000}, 0xc, &(0x7f0000000c40)={&(0x7f0000000c00)={0x14}, 0x14}}, 0x0) sendmsg$MPTCP_PM_CMD_ADD_ADDR(r3, &(0x7f0000000240)={&(0x7f0000000100)={0x10, 0x0, 0x0, 0x40000000}, 0xc, &(0x7f0000000200)={&(0x7f0000000180)={0x68, 0x0, 0x2, 0x70bd2a, 0x25dfdbfb, {}, [@MPTCP_PM_ATTR_ADDR={0x24, 0x1, 0x0, 0x1, [@MPTCP_PM_ADDR_ATTR_IF_IDX={0x8}, @MPTCP_PM_ADDR_ATTR_PORT={0x6, 0x5, 0x4e22}, @MPTCP_PM_ADDR_ATTR_FAMILY={0x6, 0x1, 0xa}, @MPTCP_PM_ADDR_ATTR_PORT={0x6, 0x5, 0x4e23}]}, @MPTCP_PM_ATTR_RCV_ADD_ADDRS={0x8}, @MPTCP_PM_ATTR_ADDR={0x24, 0x1, 0x0, 0x1, [@MPTCP_PM_ADDR_ATTR_ADDR4={0x8, 0x3, @dev={0xac, 0x14, 0x14, 0x2e}}, @MPTCP_PM_ADDR_ATTR_ID={0x5, 0x2, 0x2}, @MPTCP_PM_ADDR_ATTR_PORT={0x6, 0x5, 0x4e24}, @MPTCP_PM_ADDR_ATTR_ID={0x5, 0x2, 0x5}]}, @MPTCP_PM_ATTR_ADDR={0x4}]}, 0x68}, 0x1, 0x0, 0x0, 0x4004001}, 0x9004) ioctl$NBD_CLEAR_SOCK(r2, 0xab04) ioctl$NBD_SET_SOCK(r0, 0xab03, 0xffffffffffffffff) r4 = openat$mixer(0xffffffffffffff9c, &(0x7f0000000080)='/dev/mixer\x00', 0x222a40, 0x0) ioctl$SOUND_MIXER_WRITE_VOLUME(r4, 0xc0044d0f, &(0x7f00000000c0)=0x4f) 22:52:56 executing program 1: sendmsg$NLBL_MGMT_C_ADD(0xffffffffffffffff, &(0x7f0000000180)={&(0x7f0000000080)={0x10, 0x0, 0x0, 0x20000}, 0xc, &(0x7f0000000100)={&(0x7f00000001c0)={0x7c, 0x0, 0x0, 0x70bd2b, 0x25dfdbfd, {}, [@NLBL_MGMT_A_IPV6MASK={0x14, 0x6, @initdev={0xfe, 0x88, [], 0x1, 0x0}}, @NLBL_MGMT_A_PROTOCOL={0x8, 0x2, 0x3}, @NLBL_MGMT_A_CLPDOI={0x8}, @NLBL_MGMT_A_CV4DOI={0x8, 0x4, 0x3}, @NLBL_MGMT_A_FAMILY={0x6, 0xb, 0x29}, @NLBL_MGMT_A_PROTOCOL={0x8, 0x2, 0x5}, @NLBL_MGMT_A_DOMAIN={0x12, 0x1, '/,%+\xc1^&$%[@]%\x00'}, @NLBL_MGMT_A_CLPDOI={0x8}, @NLBL_MGMT_A_CLPDOI={0x8}, @NLBL_MGMT_A_CV4DOI={0x8}]}, 0x7c}, 0x1, 0x0, 0x0, 0x89d3ca40e266d429}, 0x44) r0 = syz_open_dev$ndb(&(0x7f0000000000)='/dev/nbd#\x00', 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = socket$nl_generic(0x10, 0x3, 0x10) r3 = syz_open_dev$ndb(&(0x7f0000000280)='/dev/nbd#\x00', 0x0, 0x220c0) ioctl$NBD_SET_TIMEOUT(r3, 0xab09, 0xffff) sendmsg$MPTCP_PM_CMD_SET_LIMITS(r2, &(0x7f0000000c80)={&(0x7f0000000bc0)={0x10, 0x0, 0x0, 0x20400000}, 0xc, &(0x7f0000000c40)={&(0x7f0000000c00)={0x14}, 0x14}}, 0x0) r4 = syz_genetlink_get_family_id$netlbl_mgmt(&(0x7f0000000240)='NLBL_MGMT\x00') sendmsg$NLBL_MGMT_C_ADDDEF(r2, &(0x7f0000000300)={&(0x7f00000000c0)={0x10, 0x0, 0x0, 0x6c80a38}, 0xc, &(0x7f00000002c0)={&(0x7f0000000380)=ANY=[@ANYBLOB="1c005b31d3e19b7db8cfff583fc326b4dc56f5d733392720dfefa9f8d6f70602cfa5293b0c37a12e0f6acef1c69928df5fa7a8be1c0107019e8eabacf9431e64e1b8db9ca861e096b32df2a436f4167efec3093f8f63ffb7d865f637f4cf33d7ffcc522beaad6a31eb6ba9b0f347144d190ce51285d6658a02013e7a799c0546f5b5276c5cfa97760e0a2fb8875287f1df076d7f43658da511243d9a051223eec37d9695d63463da025daca98087550a0681eb50056fb4dfd0de93edb1619d7cf1a3c680a0514e111d6e4abac15da65486b9e17e00", @ANYRES16=r4, @ANYBLOB="300a28bd7000fedbdf25040000000800020003000000"], 0x1c}, 0x1, 0x0, 0x0, 0x10}, 0x804) r5 = syz_open_dev$ndb(&(0x7f0000000140)='/dev/nbd#\x00', 0x0, 0x0) ioctl$NBD_CLEAR_SOCK(r5, 0xab04) ioctl$NBD_SET_SOCK(r0, 0xab03, 0xffffffffffffffff) [ 1953.478518] block nbd1: Receive control failed (result -32) [ 1953.484831] block nbd1: shutting down sockets [ 1953.484839] block nbd0: Receive control failed (result -32) [ 1953.485612] block nbd0: shutting down sockets [ 1953.574011] block nbd5: shutting down sockets [ 1953.593646] block nbd2: shutting down sockets [ 1953.607689] block nbd3: shutting down sockets [ 1953.610285] block nbd1: shutting down sockets 22:52:56 executing program 5: r0 = syz_open_dev$ndb(&(0x7f0000000000)='/dev/nbd#\x00', 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) r2 = openat$dlm_control(0xffffffffffffff9c, &(0x7f0000000000)='/dev/dlm-control\x00', 0x0, 0x0) ioctl$SNDRV_PCM_IOCTL_XRUN(r2, 0x4148, 0x0) getsockname$packet(r2, &(0x7f00000002c0)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000300)=0x14) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x13e) r3 = syz_open_dev$ndb(&(0x7f0000000140)='/dev/nbd#\x00', 0x0, 0x0) ioctl$NBD_CLEAR_SOCK(r3, 0xab04) r4 = socket$nl_generic(0x10, 0x3, 0x10) sendmsg$MPTCP_PM_CMD_SET_LIMITS(r4, &(0x7f0000000c80)={&(0x7f0000000bc0)={0x10, 0x0, 0x0, 0x20400000}, 0xc, &(0x7f0000000c40)={&(0x7f0000000c00)={0x14}, 0x14}}, 0x0) r5 = socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NLBL_MGMT_C_REMOVEDEF(r5, &(0x7f0000000280)={&(0x7f00000001c0)={0x10, 0x0, 0x0, 0x8}, 0xc, &(0x7f0000000240)={&(0x7f0000000200)={0x2c, 0x0, 0x20, 0x70bd28, 0x25dfdbfc, {}, [@NLBL_MGMT_A_DOMAIN={0xe, 0x1, '/dev/nbd#\x00'}, @NLBL_MGMT_A_FAMILY={0x6, 0xb, 0x2}]}, 0x2c}, 0x1, 0x0, 0x0, 0x20040825}, 0x4) sendmsg$NLBL_MGMT_C_LISTALL(r4, &(0x7f0000000180)={&(0x7f0000000080)={0x10, 0x0, 0x0, 0x20}, 0xc, &(0x7f0000000100)={&(0x7f00000000c0)={0x34, 0x0, 0x200, 0x70bd2a, 0x25dfdbff, {}, [@NLBL_MGMT_A_CV4DOI={0x8, 0x4, 0x2}, @NLBL_MGMT_A_CV4DOI={0x8}, @NLBL_MGMT_A_IPV4MASK={0x8, 0x8, @empty}, @NLBL_MGMT_A_IPV4ADDR={0x8, 0x7, @broadcast}]}, 0x34}, 0x1, 0x0, 0x0, 0x4000000}, 0x1) ioctl$NBD_SET_SOCK(r0, 0xab03, 0xffffffffffffffff) 22:52:56 executing program 0: r0 = syz_open_dev$ndb(&(0x7f0000000000)='/dev/nbd#\x00', 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)) r1 = syz_open_dev$ndb(&(0x7f0000000140)='/dev/nbd#\x00', 0x0, 0x0) ioctl$NBD_CLEAR_SOCK(r1, 0xab04) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0xe7) ioctl$NBD_SET_SOCK(r0, 0xab03, 0xffffffffffffffff) [ 1953.644391] block nbd4: Receive control failed (result -32) [ 1953.651096] block nbd4: shutting down sockets [ 1953.668698] block nbd2: shutting down sockets 22:52:56 executing program 4: r0 = syz_open_dev$ndb(&(0x7f0000000000)='/dev/nbd#\x00', 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) syz_open_dev$ndb(&(0x7f0000000140)='/dev/nbd#\x00', 0x0, 0x0) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0xe7) ioctl$NBD_SET_SOCK(r0, 0xab03, 0xffffffffffffffff) 22:52:56 executing program 3: r0 = syz_open_dev$ndb(&(0x7f0000000000)='/dev/nbd#\x00', 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = syz_open_dev$ndb(&(0x7f0000000140)='/dev/nbd#\x00', 0x0, 0x0) ioctl$NBD_CLEAR_SOCK(r2, 0xab04) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0xe7) ioctl$NBD_SET_SOCK(r0, 0xab03, 0xffffffffffffffff) 22:52:56 executing program 1: r0 = syz_open_dev$ndb(&(0x7f0000000000)='/dev/nbd#\x00', 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = syz_open_dev$ndb(&(0x7f0000000140)='/dev/nbd#\x00', 0x0, 0x0) ioctl$NBD_CLEAR_SOCK(r2, 0xab04) openat$dlm_control(0xffffffffffffff9c, &(0x7f0000000000)='/dev/dlm-control\x00', 0x0, 0x0) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0xe7) ioctl$NBD_SET_SOCK(r0, 0xab03, 0xffffffffffffffff) [ 1953.720713] block nbd2: Could not allocate knbd recv work queue. [ 1953.777885] block nbd5: shutting down sockets 22:52:56 executing program 2: r0 = syz_open_dev$sndpcmc(&(0x7f00000000c0)='/dev/snd/pcmC#D#c\x00', 0x7fff, 0x105041) ioctl$SNDRV_PCM_IOCTL_LINK(r0, 0x40044160, &(0x7f0000000100)=0x107) r1 = syz_open_dev$ndb(&(0x7f0000000000)='/dev/nbd#\x00', 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) r3 = syz_open_dev$ndb(&(0x7f0000000140)='/dev/nbd#\x00', 0x0, 0x0) r4 = openat$dlm_control(0xffffffffffffff9c, &(0x7f0000000080)='/dev/dlm-control\x00', 0x8002, 0x0) ioctl$NBD_DO_IT(r4, 0xab03) ioctl$NBD_CLEAR_SOCK(r3, 0xab04) ioctl$NBD_SET_SOCK(r1, 0xab03, 0xffffffffffffffff) 22:52:56 executing program 0: r0 = syz_open_dev$ndb(&(0x7f0000000000)='/dev/nbd#\x00', 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)) r1 = syz_open_dev$ndb(&(0x7f0000000140)='/dev/nbd#\x00', 0x0, 0x0) ioctl$NBD_CLEAR_SOCK(r1, 0xab04) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0xe7) ioctl$NBD_SET_SOCK(r0, 0xab03, 0xffffffffffffffff) [ 1953.808822] block nbd3: shutting down sockets [ 1953.828520] block nbd1: shutting down sockets 22:52:56 executing program 5: r0 = syz_open_dev$ndb(&(0x7f0000000000)='/dev/nbd#\x00', 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) r2 = openat$dlm_control(0xffffffffffffff9c, &(0x7f0000000000)='/dev/dlm-control\x00', 0x0, 0x0) ioctl$SNDRV_PCM_IOCTL_XRUN(r2, 0x4148, 0x0) getsockname$packet(r2, &(0x7f00000002c0)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000300)=0x14) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x13e) r3 = syz_open_dev$ndb(&(0x7f0000000140)='/dev/nbd#\x00', 0x0, 0x0) ioctl$NBD_CLEAR_SOCK(r3, 0xab04) r4 = socket$nl_generic(0x10, 0x3, 0x10) sendmsg$MPTCP_PM_CMD_SET_LIMITS(r4, &(0x7f0000000c80)={&(0x7f0000000bc0)={0x10, 0x0, 0x0, 0x20400000}, 0xc, &(0x7f0000000c40)={&(0x7f0000000c00)={0x14}, 0x14}}, 0x0) r5 = socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NLBL_MGMT_C_REMOVEDEF(r5, &(0x7f0000000280)={&(0x7f00000001c0)={0x10, 0x0, 0x0, 0x8}, 0xc, &(0x7f0000000240)={&(0x7f0000000200)={0x2c, 0x0, 0x20, 0x70bd28, 0x25dfdbfc, {}, [@NLBL_MGMT_A_DOMAIN={0xe, 0x1, '/dev/nbd#\x00'}, @NLBL_MGMT_A_FAMILY={0x6, 0xb, 0x2}]}, 0x2c}, 0x1, 0x0, 0x0, 0x20040825}, 0x4) ioctl$NBD_SET_SOCK(r0, 0xab03, 0xffffffffffffffff) 22:52:56 executing program 3: r0 = syz_open_dev$ndb(&(0x7f0000000000)='/dev/nbd#\x00', 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) syz_open_dev$ndb(&(0x7f0000000140)='/dev/nbd#\x00', 0x0, 0x0) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0xe7) ioctl$NBD_SET_SOCK(r0, 0xab03, 0xffffffffffffffff) 22:52:56 executing program 1: r0 = syz_open_dev$ndb(&(0x7f0000000000)='/dev/nbd#\x00', 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = syz_open_dev$ndb(&(0x7f0000000140)='/dev/nbd#\x00', 0x0, 0x0) ioctl$NBD_CLEAR_SOCK(r2, 0xab04) openat$dlm_control(0xffffffffffffff9c, &(0x7f0000000000)='/dev/dlm-control\x00', 0x0, 0x0) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0xe7) ioctl$NBD_SET_SOCK(r0, 0xab03, 0xffffffffffffffff) [ 1953.904154] block nbd2: shutting down sockets 22:52:56 executing program 0: r0 = syz_open_dev$ndb(&(0x7f0000000000)='/dev/nbd#\x00', 0x0, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, 0xffffffffffffffff) r1 = syz_open_dev$ndb(&(0x7f0000000140)='/dev/nbd#\x00', 0x0, 0x0) ioctl$NBD_CLEAR_SOCK(r1, 0xab04) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0xe7) ioctl$NBD_SET_SOCK(r0, 0xab03, 0xffffffffffffffff) [ 1953.939577] block nbd2: shutting down sockets [ 1953.939829] block nbd5: shutting down sockets [ 1953.953762] block nbd1: shutting down sockets 22:52:56 executing program 1: r0 = syz_open_dev$ndb(&(0x7f0000000000)='/dev/nbd#\x00', 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = syz_open_dev$ndb(&(0x7f0000000140)='/dev/nbd#\x00', 0x0, 0x0) ioctl$NBD_CLEAR_SOCK(r2, 0xab04) openat$dlm_control(0xffffffffffffff9c, &(0x7f0000000000)='/dev/dlm-control\x00', 0x0, 0x0) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0xe7) ioctl$NBD_SET_SOCK(r0, 0xab03, 0xffffffffffffffff) 22:52:56 executing program 5: r0 = syz_open_dev$ndb(&(0x7f0000000000)='/dev/nbd#\x00', 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) r2 = openat$dlm_control(0xffffffffffffff9c, &(0x7f0000000000)='/dev/dlm-control\x00', 0x0, 0x0) ioctl$SNDRV_PCM_IOCTL_XRUN(r2, 0x4148, 0x0) getsockname$packet(r2, &(0x7f00000002c0)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000300)=0x14) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x13e) r3 = syz_open_dev$ndb(&(0x7f0000000140)='/dev/nbd#\x00', 0x0, 0x0) ioctl$NBD_CLEAR_SOCK(r3, 0xab04) r4 = socket$nl_generic(0x10, 0x3, 0x10) sendmsg$MPTCP_PM_CMD_SET_LIMITS(r4, &(0x7f0000000c80)={&(0x7f0000000bc0)={0x10, 0x0, 0x0, 0x20400000}, 0xc, &(0x7f0000000c40)={&(0x7f0000000c00)={0x14}, 0x14}}, 0x0) socket$nl_generic(0x10, 0x3, 0x10) ioctl$NBD_SET_SOCK(r0, 0xab03, 0xffffffffffffffff) 22:52:56 executing program 2: r0 = syz_open_dev$ndb(&(0x7f0000000000)='/dev/nbd#\x00', 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = syz_open_dev$ndb(&(0x7f0000000140)='/dev/nbd#\x00', 0x0, 0x0) r3 = openat$dlm_control(0xffffffffffffff9c, &(0x7f0000000000)='/dev/dlm-control\x00', 0x0, 0x0) ioctl$SNDRV_PCM_IOCTL_XRUN(r3, 0x4148, 0x0) ioctl$NBD_SET_SOCK(r3, 0xab00, r1) ioctl$NBD_CLEAR_SOCK(r2, 0xab04) ioctl$NBD_SET_SOCK(r0, 0xab03, 0xffffffffffffffff) socket$nl_generic(0x10, 0x3, 0x10) getsockname$packet(0xffffffffffffffff, &(0x7f00000000c0)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @multicast}, &(0x7f0000000100)=0x14) r4 = openat$fb0(0xffffffffffffff9c, &(0x7f0000000380)='/dev/fb0\x00', 0x0, 0x0) ioctl$BTRFS_IOC_RESIZE(r4, 0x50009403, 0x0) r5 = openat$fb0(0xffffffffffffff9c, &(0x7f0000000380)='/dev/fb0\x00', 0x0, 0x0) ioctl$BTRFS_IOC_RESIZE(r5, 0x50009403, 0x0) sendmsg$ETHTOOL_MSG_PRIVFLAGS_SET(0xffffffffffffffff, &(0x7f0000000200)={&(0x7f0000000080)={0x10, 0x0, 0x0, 0x100}, 0xc, &(0x7f0000000180)={&(0x7f0000000240)=ANY=[@ANYRESOCT, @ANYRESDEC=r5], 0x7d4}, 0x1, 0x0, 0x0, 0x4000080}, 0x8) [ 1954.088321] block nbd1: shutting down sockets [ 1954.112947] block nbd5: shutting down sockets [ 1954.143106] block nbd2: shutting down sockets [ 1954.163942] block nbd2: shutting down sockets 22:52:57 executing program 4: r0 = syz_open_dev$ndb(&(0x7f0000000000)='/dev/nbd#\x00', 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) syz_open_dev$ndb(&(0x7f0000000140)='/dev/nbd#\x00', 0x0, 0x0) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0xe7) ioctl$NBD_SET_SOCK(r0, 0xab03, 0xffffffffffffffff) 22:52:57 executing program 0: r0 = syz_open_dev$ndb(&(0x7f0000000000)='/dev/nbd#\x00', 0x0, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, 0xffffffffffffffff) r1 = syz_open_dev$ndb(&(0x7f0000000140)='/dev/nbd#\x00', 0x0, 0x0) ioctl$NBD_CLEAR_SOCK(r1, 0xab04) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0xe7) ioctl$NBD_SET_SOCK(r0, 0xab03, 0xffffffffffffffff) 22:52:57 executing program 1: r0 = syz_open_dev$ndb(&(0x7f0000000000)='/dev/nbd#\x00', 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = syz_open_dev$ndb(&(0x7f0000000140)='/dev/nbd#\x00', 0x0, 0x0) ioctl$NBD_CLEAR_SOCK(r2, 0xab04) openat$dlm_control(0xffffffffffffff9c, &(0x7f0000000000)='/dev/dlm-control\x00', 0x0, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab03, 0xffffffffffffffff) 22:52:57 executing program 5: r0 = syz_open_dev$ndb(&(0x7f0000000000)='/dev/nbd#\x00', 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) r2 = openat$dlm_control(0xffffffffffffff9c, &(0x7f0000000000)='/dev/dlm-control\x00', 0x0, 0x0) ioctl$SNDRV_PCM_IOCTL_XRUN(r2, 0x4148, 0x0) getsockname$packet(r2, &(0x7f00000002c0)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000300)=0x14) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x13e) r3 = syz_open_dev$ndb(&(0x7f0000000140)='/dev/nbd#\x00', 0x0, 0x0) ioctl$NBD_CLEAR_SOCK(r3, 0xab04) r4 = socket$nl_generic(0x10, 0x3, 0x10) sendmsg$MPTCP_PM_CMD_SET_LIMITS(r4, &(0x7f0000000c80)={&(0x7f0000000bc0)={0x10, 0x0, 0x0, 0x20400000}, 0xc, &(0x7f0000000c40)={&(0x7f0000000c00)={0x14}, 0x14}}, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab03, 0xffffffffffffffff) 22:52:57 executing program 2: r0 = syz_open_dev$ndb(&(0x7f0000000000)='/dev/nbd#\x00', 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = syz_open_dev$ndb(&(0x7f0000000140)='/dev/nbd#\x00', 0x0, 0x0) r3 = openat$dlm_control(0xffffffffffffff9c, &(0x7f0000000080)='/dev/dlm-control\x00', 0x40, 0x0) ioctl$NBD_SET_FLAGS(r3, 0xab0a, 0xffffffffffffffe0) ioctl$NBD_CLEAR_SOCK(r2, 0xab04) ioctl$NBD_SET_SOCK(r0, 0xab03, 0xffffffffffffffff) [ 1954.617090] block nbd4: Receive control failed (result -32) [ 1954.623281] block nbd4: shutting down sockets 22:52:57 executing program 0: r0 = syz_open_dev$ndb(&(0x7f0000000000)='/dev/nbd#\x00', 0x0, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, 0xffffffffffffffff) r1 = syz_open_dev$ndb(&(0x7f0000000140)='/dev/nbd#\x00', 0x0, 0x0) ioctl$NBD_CLEAR_SOCK(r1, 0xab04) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0xe7) ioctl$NBD_SET_SOCK(r0, 0xab03, 0xffffffffffffffff) [ 1954.689489] block nbd1: shutting down sockets [ 1954.698054] block nbd2: shutting down sockets [ 1954.718520] block nbd5: shutting down sockets [ 1954.729807] block nbd2: shutting down sockets 22:52:57 executing program 3: r0 = syz_open_dev$ndb(&(0x7f0000000000)='/dev/nbd#\x00', 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) syz_open_dev$ndb(&(0x7f0000000140)='/dev/nbd#\x00', 0x0, 0x0) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0xe7) ioctl$NBD_SET_SOCK(r0, 0xab03, 0xffffffffffffffff) 22:52:57 executing program 1: r0 = syz_open_dev$ndb(&(0x7f0000000000)='/dev/nbd#\x00', 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = syz_open_dev$ndb(&(0x7f0000000140)='/dev/nbd#\x00', 0x0, 0x0) ioctl$NBD_CLEAR_SOCK(r2, 0xab04) openat$dlm_control(0xffffffffffffff9c, &(0x7f0000000000)='/dev/dlm-control\x00', 0x0, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab03, 0xffffffffffffffff) 22:52:57 executing program 5: r0 = syz_open_dev$ndb(&(0x7f0000000000)='/dev/nbd#\x00', 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) r2 = openat$dlm_control(0xffffffffffffff9c, &(0x7f0000000000)='/dev/dlm-control\x00', 0x0, 0x0) ioctl$SNDRV_PCM_IOCTL_XRUN(r2, 0x4148, 0x0) getsockname$packet(r2, &(0x7f00000002c0)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000300)=0x14) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x13e) r3 = syz_open_dev$ndb(&(0x7f0000000140)='/dev/nbd#\x00', 0x0, 0x0) ioctl$NBD_CLEAR_SOCK(r3, 0xab04) socket$nl_generic(0x10, 0x3, 0x10) ioctl$NBD_SET_SOCK(r0, 0xab03, 0xffffffffffffffff) 22:52:57 executing program 2: r0 = syz_open_dev$ndb(&(0x7f0000000000)='/dev/nbd#\x00', 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = syz_open_dev$ndb(&(0x7f0000000140)='/dev/nbd#\x00', 0x0, 0x0) ioctl$NBD_CLEAR_SOCK(r2, 0xab04) r3 = syz_genetlink_get_family_id$netlbl_unlabel(&(0x7f00000000c0)='NLBL_UNLBL\x00') sendmsg$NLBL_UNLABEL_C_STATICLISTDEF(0xffffffffffffffff, &(0x7f0000000200)={&(0x7f0000000080)={0x10, 0x0, 0x0, 0x2000000}, 0xc, &(0x7f0000000100)={&(0x7f0000000180)=ANY=[@ANYBLOB="80000000", @ANYRES16=r3, @ANYBLOB="00022dbd7000fedbdf25080000001400030020010000000000000000000000000000080004007f0000013100070073797374656d5f753a6f626a6563745fa23a73797374656d645f746d7066696c65735f657865635f743a73e60000000014000300fc02000000000000000000000000000008000500ac1414bb"], 0x80}, 0x1, 0x0, 0x0, 0x4000000}, 0x4) ioctl$NBD_SET_SOCK(r0, 0xab03, 0xffffffffffffffff) [ 1954.768805] block nbd3: Receive control failed (result -32) [ 1954.775316] block nbd3: shutting down sockets 22:52:57 executing program 0: socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(0xffffffffffffffff, 0xab00, r0) r1 = syz_open_dev$ndb(&(0x7f0000000140)='/dev/nbd#\x00', 0x0, 0x0) ioctl$NBD_CLEAR_SOCK(r1, 0xab04) ioctl$NBD_SET_FLAGS(0xffffffffffffffff, 0xab0a, 0xe7) ioctl$NBD_SET_SOCK(0xffffffffffffffff, 0xab03, 0xffffffffffffffff) [ 1954.863523] block nbd5: shutting down sockets [ 1954.880392] block nbd2: shutting down sockets [ 1954.891023] block nbd1: shutting down sockets 22:52:57 executing program 5: r0 = syz_open_dev$ndb(&(0x7f0000000000)='/dev/nbd#\x00', 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) r2 = openat$dlm_control(0xffffffffffffff9c, &(0x7f0000000000)='/dev/dlm-control\x00', 0x0, 0x0) ioctl$SNDRV_PCM_IOCTL_XRUN(r2, 0x4148, 0x0) getsockname$packet(r2, &(0x7f00000002c0)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000300)=0x14) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x13e) r3 = syz_open_dev$ndb(&(0x7f0000000140)='/dev/nbd#\x00', 0x0, 0x0) ioctl$NBD_CLEAR_SOCK(r3, 0xab04) ioctl$NBD_SET_SOCK(r0, 0xab03, 0xffffffffffffffff) [ 1954.921722] block nbd2: shutting down sockets [ 1954.989007] block nbd5: shutting down sockets 22:52:58 executing program 4: r0 = syz_open_dev$ndb(&(0x7f0000000000)='/dev/nbd#\x00', 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) ioctl$NBD_CLEAR_SOCK(0xffffffffffffffff, 0xab04) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0xe7) ioctl$NBD_SET_SOCK(r0, 0xab03, 0xffffffffffffffff) 22:52:58 executing program 0: socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(0xffffffffffffffff, 0xab00, r0) r1 = syz_open_dev$ndb(&(0x7f0000000140)='/dev/nbd#\x00', 0x0, 0x0) ioctl$NBD_CLEAR_SOCK(r1, 0xab04) ioctl$NBD_SET_FLAGS(0xffffffffffffffff, 0xab0a, 0xe7) ioctl$NBD_SET_SOCK(0xffffffffffffffff, 0xab03, 0xffffffffffffffff) 22:52:58 executing program 1: r0 = syz_open_dev$ndb(&(0x7f0000000000)='/dev/nbd#\x00', 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = syz_open_dev$ndb(&(0x7f0000000140)='/dev/nbd#\x00', 0x0, 0x0) ioctl$NBD_CLEAR_SOCK(r2, 0xab04) openat$dlm_control(0xffffffffffffff9c, &(0x7f0000000000)='/dev/dlm-control\x00', 0x0, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab03, 0xffffffffffffffff) 22:52:58 executing program 2: r0 = syz_open_dev$ndb(&(0x7f0000000000)='/dev/nbd#\x00', 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = syz_open_dev$ndb(&(0x7f0000000140)='/dev/nbd#\x00', 0x0, 0x0) syz_mount_image$ubifs(0x0, 0x0, 0x0, 0x1, &(0x7f0000000480)=[{&(0x7f0000000ac0)='n', 0x1}], 0x0, &(0x7f0000000080)=ANY=[@ANYBLOB="00a25fa36735e3a97f0b426f756f8df81ccd25b38cdd930ccb00e21964167e33740bcf169dac16740047ede0835385b1758cdf52e7ee8a5ddec4d957867cebc9fac2656772241b8c77c950c2abf4735693a1fa5a6d817eedb9ccc6cab958179a02f35e8a0282efba9f18c1cbecdfbee1bf70c447bbe3fb5564acbcab4f6bf6660382cb"]) ioctl$NBD_CLEAR_SOCK(r2, 0xab04) ioctl$NBD_SET_SOCK(r0, 0xab03, 0xffffffffffffffff) 22:52:58 executing program 5: r0 = syz_open_dev$ndb(&(0x7f0000000000)='/dev/nbd#\x00', 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) r2 = openat$dlm_control(0xffffffffffffff9c, &(0x7f0000000000)='/dev/dlm-control\x00', 0x0, 0x0) ioctl$SNDRV_PCM_IOCTL_XRUN(r2, 0x4148, 0x0) getsockname$packet(r2, &(0x7f00000002c0)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000300)=0x14) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x13e) syz_open_dev$ndb(&(0x7f0000000140)='/dev/nbd#\x00', 0x0, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab03, 0xffffffffffffffff) [ 1955.504593] block nbd4: Receive control failed (result -32) [ 1955.504745] block nbd4: shutting down sockets [ 1955.565909] block nbd2: shutting down sockets [ 1955.583158] block nbd1: shutting down sockets 22:52:58 executing program 1: r0 = syz_open_dev$ndb(&(0x7f0000000000)='/dev/nbd#\x00', 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = syz_open_dev$ndb(&(0x7f0000000140)='/dev/nbd#\x00', 0x0, 0x0) ioctl$NBD_CLEAR_SOCK(r2, 0xab04) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0xe7) ioctl$NBD_SET_SOCK(r0, 0xab03, 0xffffffffffffffff) [ 1955.680229] block nbd2: shutting down sockets [ 1955.704626] block nbd1: shutting down sockets 22:52:58 executing program 3: r0 = syz_open_dev$ndb(&(0x7f0000000000)='/dev/nbd#\x00', 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) syz_open_dev$ndb(&(0x7f0000000140)='/dev/nbd#\x00', 0x0, 0x0) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0xe7) ioctl$NBD_SET_SOCK(r0, 0xab03, 0xffffffffffffffff) 22:52:58 executing program 0: socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(0xffffffffffffffff, 0xab00, r0) r1 = syz_open_dev$ndb(&(0x7f0000000140)='/dev/nbd#\x00', 0x0, 0x0) ioctl$NBD_CLEAR_SOCK(r1, 0xab04) ioctl$NBD_SET_FLAGS(0xffffffffffffffff, 0xab0a, 0xe7) ioctl$NBD_SET_SOCK(0xffffffffffffffff, 0xab03, 0xffffffffffffffff) 22:52:58 executing program 2: r0 = syz_open_dev$ndb(&(0x7f0000000000)='/dev/nbd#\x00', 0x0, 0x141080) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = syz_open_dev$ndb(&(0x7f0000000140)='/dev/nbd#\x00', 0x0, 0x0) ioctl$NBD_CLEAR_SOCK(r2, 0xab04) ioctl$NBD_SET_SOCK(r0, 0xab03, 0xffffffffffffffff) 22:52:58 executing program 1: r0 = syz_open_dev$ndb(&(0x7f0000000000)='/dev/nbd#\x00', 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) syz_open_dev$ndb(&(0x7f0000000140)='/dev/nbd#\x00', 0x0, 0x0) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0xe7) ioctl$NBD_SET_SOCK(r0, 0xab03, 0xffffffffffffffff) [ 1955.732173] block nbd3: Receive control failed (result -32) [ 1955.738983] block nbd3: shutting down sockets 22:52:58 executing program 0: r0 = syz_open_dev$ndb(0x0, 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = syz_open_dev$ndb(&(0x7f0000000140)='/dev/nbd#\x00', 0x0, 0x0) ioctl$NBD_CLEAR_SOCK(r2, 0xab04) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0xe7) ioctl$NBD_SET_SOCK(r0, 0xab03, 0xffffffffffffffff) [ 1955.885744] block nbd2: shutting down sockets 22:52:58 executing program 0: r0 = syz_open_dev$ndb(0x0, 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = syz_open_dev$ndb(&(0x7f0000000140)='/dev/nbd#\x00', 0x0, 0x0) ioctl$NBD_CLEAR_SOCK(r2, 0xab04) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0xe7) ioctl$NBD_SET_SOCK(r0, 0xab03, 0xffffffffffffffff) [ 1955.927215] block nbd2: shutting down sockets 22:52:58 executing program 2: r0 = syz_open_dev$ndb(&(0x7f0000000000)='/dev/nbd#\x00', 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) r2 = openat$dlm_control(0xffffffffffffff9c, &(0x7f0000000000)='/dev/dlm-control\x00', 0x0, 0x0) ioctl$SNDRV_PCM_IOCTL_XRUN(r2, 0x4148, 0x0) ioctl$NBD_SET_SOCK(r2, 0xab00, r1) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) ioctl$KVM_CREATE_DEVICE(r2, 0xc00caee0, &(0x7f0000000080)={0x4, 0xffffffffffffffff}) ioctl$KVM_GET_DEVICE_ATTR(r3, 0x4018aee2, &(0x7f0000000100)={0x0, 0x93dc, 0x2, &(0x7f00000000c0)=0x7}) r4 = syz_open_dev$ndb(&(0x7f0000000140)='/dev/nbd#\x00', 0x0, 0x0) ioctl$NBD_CLEAR_SOCK(r4, 0xab04) ioctl$NBD_SET_SOCK(r0, 0xab03, 0xffffffffffffffff) 22:52:58 executing program 4: r0 = syz_open_dev$ndb(&(0x7f0000000000)='/dev/nbd#\x00', 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) ioctl$NBD_CLEAR_SOCK(0xffffffffffffffff, 0xab04) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0xe7) ioctl$NBD_SET_SOCK(r0, 0xab03, 0xffffffffffffffff) 22:52:58 executing program 0: r0 = syz_open_dev$ndb(0x0, 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = syz_open_dev$ndb(&(0x7f0000000140)='/dev/nbd#\x00', 0x0, 0x0) ioctl$NBD_CLEAR_SOCK(r2, 0xab04) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0xe7) ioctl$NBD_SET_SOCK(r0, 0xab03, 0xffffffffffffffff) 22:52:58 executing program 5: r0 = syz_open_dev$ndb(&(0x7f0000000000)='/dev/nbd#\x00', 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) r2 = openat$dlm_control(0xffffffffffffff9c, &(0x7f0000000000)='/dev/dlm-control\x00', 0x0, 0x0) ioctl$SNDRV_PCM_IOCTL_XRUN(r2, 0x4148, 0x0) getsockname$packet(r2, &(0x7f00000002c0)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000300)=0x14) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x13e) syz_open_dev$ndb(&(0x7f0000000140)='/dev/nbd#\x00', 0x0, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab03, 0xffffffffffffffff) [ 1956.390909] block nbd5: Receive control failed (result -32) [ 1956.396974] block nbd5: shutting down sockets [ 1956.401863] block nbd4: Receive control failed (result -32) [ 1956.408106] block nbd4: shutting down sockets 22:52:59 executing program 0: r0 = syz_open_dev$ndb(&(0x7f0000000000)='/dev/nbd#\x00', 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, 0xffffffffffffffff) r1 = syz_open_dev$ndb(&(0x7f0000000140)='/dev/nbd#\x00', 0x0, 0x0) ioctl$NBD_CLEAR_SOCK(r1, 0xab04) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0xe7) ioctl$NBD_SET_SOCK(r0, 0xab03, 0xffffffffffffffff) 22:52:59 executing program 2: r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) ioctl$SNDRV_PCM_IOCTL_DRAIN(0xffffffffffffffff, 0x4144, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = syz_open_dev$ndb(&(0x7f0000000140)='/dev/nbd#\x00', 0x0, 0x0) ioctl$NBD_CLEAR_SOCK(r2, 0xab04) ioctl$NBD_SET_SOCK(r0, 0xab03, 0xffffffffffffffff) [ 1956.500599] block nbd2: shutting down sockets [ 1956.515641] block nbd2: shutting down sockets [ 1956.604031] block nbd2: shutting down sockets [ 1956.621129] block nbd1: Receive control failed (result -32) [ 1956.627231] block nbd1: shutting down sockets [ 1956.629334] block nbd2: shutting down sockets 22:52:59 executing program 3: r0 = syz_open_dev$ndb(&(0x7f0000000000)='/dev/nbd#\x00', 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) ioctl$NBD_CLEAR_SOCK(0xffffffffffffffff, 0xab04) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0xe7) ioctl$NBD_SET_SOCK(r0, 0xab03, 0xffffffffffffffff) 22:52:59 executing program 0: r0 = syz_open_dev$ndb(&(0x7f0000000000)='/dev/nbd#\x00', 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, 0xffffffffffffffff) r1 = syz_open_dev$ndb(&(0x7f0000000140)='/dev/nbd#\x00', 0x0, 0x0) ioctl$NBD_CLEAR_SOCK(r1, 0xab04) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0xe7) ioctl$NBD_SET_SOCK(r0, 0xab03, 0xffffffffffffffff) 22:52:59 executing program 2: r0 = syz_open_dev$ndb(&(0x7f0000000000)='/dev/nbd#\x00', 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = syz_open_dev$ndb(&(0x7f0000000140)='/dev/nbd#\x00', 0x0, 0x0) ioctl$NBD_CLEAR_SOCK(r2, 0xab04) r3 = openat$dlm_control(0xffffffffffffff9c, &(0x7f0000000000)='/dev/dlm-control\x00', 0x0, 0x0) ioctl$SNDRV_PCM_IOCTL_XRUN(r3, 0x4148, 0x0) ioctl$NBD_DO_IT(r3, 0xab03) ioctl$NBD_SET_SOCK(r0, 0xab03, 0xffffffffffffffff) r4 = openat$mixer(0xffffffffffffff9c, &(0x7f0000000080)='/dev/mixer\x00', 0x208200, 0x0) ioctl$SOUND_MIXER_READ_RECSRC(r4, 0x80044dff, &(0x7f00000000c0)) 22:52:59 executing program 1: r0 = syz_open_dev$ndb(&(0x7f0000000000)='/dev/nbd#\x00', 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) syz_open_dev$ndb(&(0x7f0000000140)='/dev/nbd#\x00', 0x0, 0x0) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0xe7) ioctl$NBD_SET_SOCK(r0, 0xab03, 0xffffffffffffffff) [ 1956.686152] block nbd3: Receive control failed (result -32) [ 1956.686441] block nbd3: shutting down sockets 22:52:59 executing program 0: r0 = syz_open_dev$ndb(&(0x7f0000000000)='/dev/nbd#\x00', 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, 0xffffffffffffffff) r1 = syz_open_dev$ndb(&(0x7f0000000140)='/dev/nbd#\x00', 0x0, 0x0) ioctl$NBD_CLEAR_SOCK(r1, 0xab04) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0xe7) ioctl$NBD_SET_SOCK(r0, 0xab03, 0xffffffffffffffff) [ 1956.790869] block nbd2: shutting down sockets 22:52:59 executing program 0: r0 = syz_open_dev$ndb(&(0x7f0000000000)='/dev/nbd#\x00', 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(0xffffffffffffffff, 0xab00, r1) r2 = syz_open_dev$ndb(&(0x7f0000000140)='/dev/nbd#\x00', 0x0, 0x0) ioctl$NBD_CLEAR_SOCK(r2, 0xab04) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0xe7) ioctl$NBD_SET_SOCK(r0, 0xab03, 0xffffffffffffffff) [ 1956.829215] block nbd2: shutting down sockets 22:52:59 executing program 2: r0 = syz_open_dev$ndb(&(0x7f0000000000)='/dev/nbd#\x00', 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = syz_open_dev$ndb(&(0x7f0000000140)='/dev/nbd#\x00', 0x0, 0x0) ioctl$NBD_CLEAR_SOCK(r2, 0xab04) ioctl$NBD_SET_SOCK(r0, 0xab03, 0xffffffffffffffff) r3 = openat$sequencer(0xffffffffffffff9c, &(0x7f0000000140)='/dev/sequencer\x00', 0x2, 0x0) ioctl$NBD_SET_SIZE(0xffffffffffffffff, 0xab02, 0x6) ioctl$SNDCTL_SEQ_PANIC(r3, 0x5111) ioctl$SNDCTL_FM_4OP_ENABLE(r3, 0x4004510f, &(0x7f0000001700)=0x1) r4 = socket$nl_generic(0x10, 0x3, 0x10) getsockname$packet(0xffffffffffffffff, &(0x7f00000000c0)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @link_local}, &(0x7f0000000100)=0x14) sendmsg$ETHTOOL_MSG_PRIVFLAGS_SET(r4, &(0x7f00000016c0)={&(0x7f0000000080)={0x10, 0x0, 0x0, 0x2000}, 0xc, &(0x7f0000001680)={&(0x7f0000001740)=ANY=[@ANYBLOB='d$\x00\x00', @ANYRES16=0x0, 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@ANYRES32=0x0, @ANYBLOB="01b20003000000000000f862b4d5000000000000bcd8775938e3ca8f1d66bccae8019e7327e9e606c3918a78026bdcfb69c06dfd50fbe3ff0324e7a18de33fc2866776575fb96ac97b0933f2b1b485aa5058a2b31d64925ce886b79639f0741e438e833ee96b067930b7094f80b0d6d7936856ce9d02d126ac5056d8fd17c0c417ccedd1cd5b122164750dcb56f23e3c9d7a18e5e36010228f39a38b0603c3cf518f21a9ba2b02b818357e0889a22d0b49de", @ANYRES32=r5, @ANYBLOB="1400020073797a5f74756e000000000000000000"], 0x2464}, 0x1, 0x0, 0x0, 0x48000}, 0x4000000) ioctl$SNDCTL_TMR_TIMEBASE(r3, 0xc0045401, &(0x7f0000000180)=0x146) [ 1956.929094] block nbd2: shutting down sockets [ 1956.951461] block nbd2: Device being setup by another task 22:52:59 executing program 4: r0 = syz_open_dev$ndb(&(0x7f0000000000)='/dev/nbd#\x00', 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) ioctl$NBD_CLEAR_SOCK(0xffffffffffffffff, 0xab04) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0xe7) ioctl$NBD_SET_SOCK(r0, 0xab03, 0xffffffffffffffff) 22:52:59 executing program 0: r0 = syz_open_dev$ndb(&(0x7f0000000000)='/dev/nbd#\x00', 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(0xffffffffffffffff, 0xab00, r1) r2 = syz_open_dev$ndb(&(0x7f0000000140)='/dev/nbd#\x00', 0x0, 0x0) ioctl$NBD_CLEAR_SOCK(r2, 0xab04) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0xe7) ioctl$NBD_SET_SOCK(r0, 0xab03, 0xffffffffffffffff) 22:52:59 executing program 2: r0 = syz_open_dev$ndb(&(0x7f0000000000)='/dev/nbd#\x00', 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) r2 = syz_open_dev$ndb(&(0x7f0000000240)='/dev/nbd#\x00', 0x0, 0x4a01) ioctl$NBD_SET_SOCK(r2, 0xab00, r1) openat$mixer(0xffffffffffffff9c, &(0x7f0000000100)='/dev/mixer\x00', 0x101480, 0x0) r3 = openat$dlm_control(0xffffffffffffff9c, &(0x7f0000000000)='/dev/dlm-control\x00', 0x0, 0x0) ioctl$SNDRV_PCM_IOCTL_XRUN(r3, 0x4148, 0x0) r4 = openat$dlm_control(0xffffffffffffff9c, &(0x7f0000000000)='/dev/dlm-control\x00', 0x0, 0x0) ioctl$SNDRV_PCM_IOCTL_XRUN(r4, 0x4148, 0x0) r5 = openat$dlm_control(0xffffffffffffff9c, &(0x7f00000002c0)='/dev/dlm-control\x00', 0x74f403, 0x0) ioctl$SNDRV_PCM_IOCTL_XRUN(r5, 0x4148, 0x0) r6 = openat$dlm_control(0xffffffffffffff9c, &(0x7f00000001c0)='/dev/dlm-control\x00', 0x149800, 0x0) connect$vsock_dgram(r6, &(0x7f0000000200)={0x28, 0x0, 0xfffffffe, @my=0x0}, 0x10) syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x220000) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f00000000c0)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r5, 0xab00, r7) r8 = syz_open_dev$ndb(&(0x7f0000000140)='/dev/nbd#\x00', 0x0, 0x0) ioctl$NBD_CLEAR_SOCK(r8, 0xab04) ioctl$NBD_SET_SOCK(r0, 0xab03, 0xffffffffffffffff) write$FUSE_NOTIFY_POLL(r3, &(0x7f0000000180)={0x18, 0x1, 0x0, {0x7}}, 0x18) 22:52:59 executing program 5: r0 = syz_open_dev$ndb(&(0x7f0000000000)='/dev/nbd#\x00', 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) r2 = openat$dlm_control(0xffffffffffffff9c, &(0x7f0000000000)='/dev/dlm-control\x00', 0x0, 0x0) ioctl$SNDRV_PCM_IOCTL_XRUN(r2, 0x4148, 0x0) getsockname$packet(r2, &(0x7f00000002c0)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000300)=0x14) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x13e) syz_open_dev$ndb(&(0x7f0000000140)='/dev/nbd#\x00', 0x0, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab03, 0xffffffffffffffff) [ 1957.296090] block nbd5: Receive control failed (result -32) [ 1957.296416] block nbd5: shutting down sockets [ 1957.316980] block nbd4: Receive control failed (result -32) [ 1957.317003] block nbd4: shutting down sockets [ 1957.380542] block nbd2: shutting down sockets 22:52:59 executing program 0: r0 = syz_open_dev$ndb(&(0x7f0000000000)='/dev/nbd#\x00', 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(0xffffffffffffffff, 0xab00, r1) r2 = syz_open_dev$ndb(&(0x7f0000000140)='/dev/nbd#\x00', 0x0, 0x0) ioctl$NBD_CLEAR_SOCK(r2, 0xab04) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0xe7) ioctl$NBD_SET_SOCK(r0, 0xab03, 0xffffffffffffffff) [ 1957.418983] block nbd2: shutting down sockets 22:53:00 executing program 3: r0 = syz_open_dev$ndb(&(0x7f0000000000)='/dev/nbd#\x00', 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) ioctl$NBD_CLEAR_SOCK(0xffffffffffffffff, 0xab04) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0xe7) ioctl$NBD_SET_SOCK(r0, 0xab03, 0xffffffffffffffff) 22:53:00 executing program 2: r0 = syz_open_dev$ndb(&(0x7f0000000000)='/dev/nbd#\x00', 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) syz_open_dev$ndb(&(0x7f0000000140)='/dev/nbd#\x00', 0x0, 0x0) syz_open_dev$ndb(&(0x7f0000000040)='/dev/nbd#\x00', 0x0, 0x200) ioctl$NBD_CLEAR_SOCK(0xffffffffffffffff, 0xab04) r2 = openat$dlm_control(0xffffffffffffff9c, &(0x7f0000000000)='/dev/dlm-control\x00', 0x0, 0x0) ioctl$SNDRV_PCM_IOCTL_XRUN(r2, 0x4148, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f00000000c0)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r2, 0xab03, r3) 22:53:00 executing program 0: r0 = syz_open_dev$ndb(&(0x7f0000000000)='/dev/nbd#\x00', 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)) ioctl$NBD_SET_SOCK(r0, 0xab00, 0xffffffffffffffff) r1 = syz_open_dev$ndb(&(0x7f0000000140)='/dev/nbd#\x00', 0x0, 0x0) ioctl$NBD_CLEAR_SOCK(r1, 0xab04) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0xe7) ioctl$NBD_SET_SOCK(r0, 0xab03, 0xffffffffffffffff) 22:53:00 executing program 1: r0 = syz_open_dev$ndb(&(0x7f0000000000)='/dev/nbd#\x00', 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) syz_open_dev$ndb(&(0x7f0000000140)='/dev/nbd#\x00', 0x0, 0x0) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0xe7) ioctl$NBD_SET_SOCK(r0, 0xab03, 0xffffffffffffffff) [ 1957.594575] block nbd1: Receive control failed (result -32) [ 1957.595930] block nbd1: shutting down sockets [ 1957.606186] block nbd3: Receive control failed (result -32) [ 1957.613111] block nbd3: shutting down sockets 22:53:00 executing program 0: r0 = syz_open_dev$ndb(&(0x7f0000000000)='/dev/nbd#\x00', 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)) ioctl$NBD_SET_SOCK(r0, 0xab00, 0xffffffffffffffff) r1 = syz_open_dev$ndb(&(0x7f0000000140)='/dev/nbd#\x00', 0x0, 0x0) ioctl$NBD_CLEAR_SOCK(r1, 0xab04) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0xe7) ioctl$NBD_SET_SOCK(r0, 0xab03, 0xffffffffffffffff) [ 1957.667722] block nbd2: shutting down sockets [ 1957.684361] block nbd2: shutting down sockets 22:53:00 executing program 2: r0 = syz_open_dev$ndb(&(0x7f0000000000)='/dev/nbd#\x00', 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) prctl$PR_MPX_ENABLE_MANAGEMENT(0x2b) r2 = syz_open_dev$ndb(&(0x7f0000000140)='/dev/nbd#\x00', 0x0, 0x0) ioctl$NBD_CLEAR_SOCK(r2, 0xab04) ioctl$NBD_SET_SOCK(r0, 0xab03, r1) r3 = openat$dlm_control(0xffffffffffffff9c, &(0x7f0000000080)='/dev/dlm-control\x00', 0x8000, 0x0) ioctl$SNAPSHOT_S2RAM(r3, 0x330b) [ 1957.745074] block nbd2: shutting down sockets 22:53:00 executing program 0: r0 = syz_open_dev$ndb(&(0x7f0000000000)='/dev/nbd#\x00', 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)) ioctl$NBD_SET_SOCK(r0, 0xab00, 0xffffffffffffffff) r1 = syz_open_dev$ndb(&(0x7f0000000140)='/dev/nbd#\x00', 0x0, 0x0) ioctl$NBD_CLEAR_SOCK(r1, 0xab04) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0xe7) ioctl$NBD_SET_SOCK(r0, 0xab03, 0xffffffffffffffff) [ 1957.768487] block nbd2: shutting down sockets 22:53:00 executing program 2: r0 = syz_open_dev$ndb(&(0x7f0000000000)='/dev/nbd#\x00', 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) write$FUSE_NOTIFY_INVAL_INODE(0xffffffffffffffff, &(0x7f0000000080)={0x28, 0x2, 0x0, {0x1, 0x59b2, 0x1}}, 0x28) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) syz_open_dev$ndb(&(0x7f0000000140)='/dev/nbd#\x00', 0x0, 0x0) r2 = openat$dlm_control(0xffffffffffffff9c, &(0x7f0000000000)='/dev/dlm-control\x00', 0x0, 0x0) ioctl$SNDRV_PCM_IOCTL_XRUN(r2, 0x4148, 0x0) ioctl$NBD_CLEAR_SOCK(r2, 0xab04) ioctl$NBD_SET_SOCK(r0, 0xab03, 0xffffffffffffffff) r3 = bpf$BPF_BTF_GET_FD_BY_ID(0x13, &(0x7f00000000c0), 0x4) bpf$BPF_BTF_GET_FD_BY_ID(0x13, &(0x7f0000000240), 0x4) bpf$BPF_GET_BTF_INFO(0xf, &(0x7f0000000200)={r3, 0x10, &(0x7f0000000100)={&(0x7f0000000180)=""/74, 0x4a}}, 0x10) 22:53:00 executing program 0: r0 = syz_open_dev$ndb(&(0x7f0000000000)='/dev/nbd#\x00', 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = syz_open_dev$ndb(0x0, 0x0, 0x0) ioctl$NBD_CLEAR_SOCK(r2, 0xab04) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0xe7) ioctl$NBD_SET_SOCK(r0, 0xab03, 0xffffffffffffffff) 22:53:00 executing program 4: r0 = syz_open_dev$ndb(&(0x7f0000000000)='/dev/nbd#\x00', 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)) r1 = syz_open_dev$ndb(&(0x7f0000000140)='/dev/nbd#\x00', 0x0, 0x0) ioctl$NBD_CLEAR_SOCK(r1, 0xab04) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0xe7) ioctl$NBD_SET_SOCK(r0, 0xab03, 0xffffffffffffffff) 22:53:00 executing program 5: r0 = syz_open_dev$ndb(&(0x7f0000000000)='/dev/nbd#\x00', 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) r2 = openat$dlm_control(0xffffffffffffff9c, &(0x7f0000000000)='/dev/dlm-control\x00', 0x0, 0x0) ioctl$SNDRV_PCM_IOCTL_XRUN(r2, 0x4148, 0x0) getsockname$packet(r2, &(0x7f00000002c0)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000300)=0x14) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x13e) ioctl$NBD_CLEAR_SOCK(0xffffffffffffffff, 0xab04) ioctl$NBD_SET_SOCK(r0, 0xab03, 0xffffffffffffffff) [ 1958.202568] block nbd5: Receive control failed (result -32) [ 1958.202733] block nbd5: shutting down sockets [ 1958.217157] block nbd4: Receive control failed (result -32) [ 1958.223293] block nbd4: shutting down sockets 22:53:00 executing program 4: r0 = syz_open_dev$ndb(&(0x7f0000000000)='/dev/nbd#\x00', 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)) r1 = syz_open_dev$ndb(&(0x7f0000000140)='/dev/nbd#\x00', 0x0, 0x0) ioctl$NBD_CLEAR_SOCK(r1, 0xab04) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0xe7) ioctl$NBD_SET_SOCK(r0, 0xab03, 0xffffffffffffffff) 22:53:01 executing program 3: r0 = syz_open_dev$ndb(&(0x7f0000000000)='/dev/nbd#\x00', 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) ioctl$NBD_CLEAR_SOCK(0xffffffffffffffff, 0xab04) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0xe7) ioctl$NBD_SET_SOCK(r0, 0xab03, 0xffffffffffffffff) 22:53:01 executing program 4: r0 = syz_open_dev$ndb(&(0x7f0000000000)='/dev/nbd#\x00', 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)) r1 = syz_open_dev$ndb(&(0x7f0000000140)='/dev/nbd#\x00', 0x0, 0x0) ioctl$NBD_CLEAR_SOCK(r1, 0xab04) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0xe7) ioctl$NBD_SET_SOCK(r0, 0xab03, 0xffffffffffffffff) 22:53:01 executing program 1: r0 = syz_open_dev$ndb(&(0x7f0000000000)='/dev/nbd#\x00', 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) ioctl$NBD_CLEAR_SOCK(0xffffffffffffffff, 0xab04) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0xe7) ioctl$NBD_SET_SOCK(r0, 0xab03, 0xffffffffffffffff) [ 1958.507409] block nbd3: Receive control failed (result -32) [ 1958.514178] block nbd3: shutting down sockets [ 1958.518947] block nbd1: shutting down sockets 22:53:01 executing program 4: r0 = syz_open_dev$ndb(&(0x7f0000000000)='/dev/nbd#\x00', 0x0, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, 0xffffffffffffffff) r1 = syz_open_dev$ndb(&(0x7f0000000140)='/dev/nbd#\x00', 0x0, 0x0) ioctl$NBD_CLEAR_SOCK(r1, 0xab04) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0xe7) ioctl$NBD_SET_SOCK(r0, 0xab03, 0xffffffffffffffff) 22:53:01 executing program 4: r0 = syz_open_dev$ndb(&(0x7f0000000000)='/dev/nbd#\x00', 0x0, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, 0xffffffffffffffff) r1 = syz_open_dev$ndb(&(0x7f0000000140)='/dev/nbd#\x00', 0x0, 0x0) ioctl$NBD_CLEAR_SOCK(r1, 0xab04) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0xe7) ioctl$NBD_SET_SOCK(r0, 0xab03, 0xffffffffffffffff) 22:53:01 executing program 4: r0 = syz_open_dev$ndb(&(0x7f0000000000)='/dev/nbd#\x00', 0x0, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, 0xffffffffffffffff) r1 = syz_open_dev$ndb(&(0x7f0000000140)='/dev/nbd#\x00', 0x0, 0x0) ioctl$NBD_CLEAR_SOCK(r1, 0xab04) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0xe7) ioctl$NBD_SET_SOCK(r0, 0xab03, 0xffffffffffffffff) 22:53:01 executing program 4: socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(0xffffffffffffffff, 0xab00, r0) r1 = syz_open_dev$ndb(&(0x7f0000000140)='/dev/nbd#\x00', 0x0, 0x0) ioctl$NBD_CLEAR_SOCK(r1, 0xab04) ioctl$NBD_SET_FLAGS(0xffffffffffffffff, 0xab0a, 0xe7) ioctl$NBD_SET_SOCK(0xffffffffffffffff, 0xab03, 0xffffffffffffffff) [ 1959.115671] block nbd0: Receive control failed (result -32) [ 1959.122020] block nbd0: shutting down sockets [ 1959.127884] block nbd5: Receive control failed (result -32) [ 1959.133655] block nbd2: Receive control failed (result -32) [ 1959.139072] block nbd2: Device being setup by another task [ 1959.140915] block nbd5: shutting down sockets [ 1959.172012] block nbd2: shutting down sockets 22:53:01 executing program 4: socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(0xffffffffffffffff, 0xab00, r0) r1 = syz_open_dev$ndb(&(0x7f0000000140)='/dev/nbd#\x00', 0x0, 0x0) ioctl$NBD_CLEAR_SOCK(r1, 0xab04) ioctl$NBD_SET_FLAGS(0xffffffffffffffff, 0xab0a, 0xe7) ioctl$NBD_SET_SOCK(0xffffffffffffffff, 0xab03, 0xffffffffffffffff) 22:53:01 executing program 5: r0 = syz_open_dev$ndb(&(0x7f0000000000)='/dev/nbd#\x00', 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) r2 = openat$dlm_control(0xffffffffffffff9c, &(0x7f0000000000)='/dev/dlm-control\x00', 0x0, 0x0) ioctl$SNDRV_PCM_IOCTL_XRUN(r2, 0x4148, 0x0) getsockname$packet(r2, &(0x7f00000002c0)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000300)=0x14) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x13e) ioctl$NBD_CLEAR_SOCK(0xffffffffffffffff, 0xab04) ioctl$NBD_SET_SOCK(r0, 0xab03, 0xffffffffffffffff) 22:53:01 executing program 2: socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(0xffffffffffffffff, 0xab00, r0) r1 = syz_open_dev$ndb(&(0x7f0000000140)='/dev/nbd#\x00', 0x0, 0x210042) ioctl$NBD_CLEAR_SOCK(r1, 0xab04) ioctl$NBD_SET_FLAGS(r1, 0xab0a, 0x1) ioctl$NBD_SET_SOCK(0xffffffffffffffff, 0xab03, 0xffffffffffffffff) 22:53:01 executing program 0: r0 = syz_open_dev$ndb(&(0x7f0000000000)='/dev/nbd#\x00', 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = syz_open_dev$ndb(0x0, 0x0, 0x0) ioctl$NBD_CLEAR_SOCK(r2, 0xab04) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0xe7) ioctl$NBD_SET_SOCK(r0, 0xab03, 0xffffffffffffffff) 22:53:01 executing program 4: socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(0xffffffffffffffff, 0xab00, r0) r1 = syz_open_dev$ndb(&(0x7f0000000140)='/dev/nbd#\x00', 0x0, 0x0) ioctl$NBD_CLEAR_SOCK(r1, 0xab04) ioctl$NBD_SET_FLAGS(0xffffffffffffffff, 0xab0a, 0xe7) ioctl$NBD_SET_SOCK(0xffffffffffffffff, 0xab03, 0xffffffffffffffff) 22:53:01 executing program 3: r0 = syz_open_dev$ndb(&(0x7f0000000000)='/dev/nbd#\x00', 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)) r1 = syz_open_dev$ndb(&(0x7f0000000140)='/dev/nbd#\x00', 0x0, 0x0) ioctl$NBD_CLEAR_SOCK(r1, 0xab04) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0xe7) ioctl$NBD_SET_SOCK(r0, 0xab03, 0xffffffffffffffff) 22:53:01 executing program 2: r0 = syz_open_dev$ndb(&(0x7f0000000000)='/dev/nbd#\x00', 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)) syz_open_dev$ndb(&(0x7f0000000140)='/dev/nbd#\x00', 0x0, 0x0) r1 = openat$dlm_control(0xffffffffffffff9c, &(0x7f0000000000)='/dev/dlm-control\x00', 0x0, 0x0) ioctl$SNDRV_PCM_IOCTL_XRUN(r1, 0x4148, 0x0) r2 = openat$dlm_control(0xffffffffffffff9c, &(0x7f0000000000)='/dev/dlm-control\x00', 0x0, 0x0) ioctl$SNDRV_PCM_IOCTL_XRUN(r2, 0x4148, 0x0) r3 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x8002) ioctl$NBD_CLEAR_SOCK(r3, 0xab04) ioctl$NBD_SET_SOCK(r0, 0xab03, 0xffffffffffffffff) 22:53:01 executing program 4: r0 = syz_open_dev$ndb(0x0, 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = syz_open_dev$ndb(&(0x7f0000000140)='/dev/nbd#\x00', 0x0, 0x0) ioctl$NBD_CLEAR_SOCK(r2, 0xab04) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0xe7) ioctl$NBD_SET_SOCK(r0, 0xab03, 0xffffffffffffffff) 22:53:01 executing program 1: r0 = syz_open_dev$ndb(&(0x7f0000000000)='/dev/nbd#\x00', 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) ioctl$NBD_CLEAR_SOCK(0xffffffffffffffff, 0xab04) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0xe7) ioctl$NBD_SET_SOCK(r0, 0xab03, 0xffffffffffffffff) [ 1959.406083] block nbd1: Receive control failed (result -32) [ 1959.406462] block nbd1: shutting down sockets [ 1959.414727] block nbd3: Receive control failed (result -32) [ 1959.427211] block nbd3: shutting down sockets 22:53:02 executing program 4: r0 = syz_open_dev$ndb(0x0, 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = syz_open_dev$ndb(&(0x7f0000000140)='/dev/nbd#\x00', 0x0, 0x0) ioctl$NBD_CLEAR_SOCK(r2, 0xab04) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0xe7) ioctl$NBD_SET_SOCK(r0, 0xab03, 0xffffffffffffffff) 22:53:02 executing program 3: r0 = syz_open_dev$ndb(&(0x7f0000000000)='/dev/nbd#\x00', 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)) r1 = syz_open_dev$ndb(&(0x7f0000000140)='/dev/nbd#\x00', 0x0, 0x0) ioctl$NBD_CLEAR_SOCK(r1, 0xab04) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0xe7) ioctl$NBD_SET_SOCK(r0, 0xab03, 0xffffffffffffffff) 22:53:02 executing program 2: r0 = syz_open_dev$ndb(&(0x7f0000000000)='/dev/nbd#\x00', 0x0, 0x0) write$cgroup_devices(0xffffffffffffffff, &(0x7f0000000040)={'a', ' *:* ', 'wm\x00'}, 0x9) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = syz_open_dev$ndb(&(0x7f0000000140)='/dev/nbd#\x00', 0x0, 0x0) ioctl$NBD_CLEAR_SOCK(r2, 0xab04) ioctl$NBD_SET_SOCK(r0, 0xab03, 0xffffffffffffffff) ioctl$BTRFS_IOC_SCRUB_PROGRESS(r2, 0xc400941d, &(0x7f0000000180)={0x0, 0x1, 0x7f, 0x1}) 22:53:02 executing program 4: r0 = syz_open_dev$ndb(0x0, 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = syz_open_dev$ndb(&(0x7f0000000140)='/dev/nbd#\x00', 0x0, 0x0) ioctl$NBD_CLEAR_SOCK(r2, 0xab04) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0xe7) ioctl$NBD_SET_SOCK(r0, 0xab03, 0xffffffffffffffff) [ 1959.600713] block nbd2: shutting down sockets [ 1959.668350] block nbd2: shutting down sockets 22:53:02 executing program 5: r0 = syz_open_dev$ndb(&(0x7f0000000000)='/dev/nbd#\x00', 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) r2 = openat$dlm_control(0xffffffffffffff9c, &(0x7f0000000000)='/dev/dlm-control\x00', 0x0, 0x0) ioctl$SNDRV_PCM_IOCTL_XRUN(r2, 0x4148, 0x0) getsockname$packet(r2, &(0x7f00000002c0)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000300)=0x14) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x13e) ioctl$NBD_CLEAR_SOCK(0xffffffffffffffff, 0xab04) ioctl$NBD_SET_SOCK(r0, 0xab03, 0xffffffffffffffff) 22:53:02 executing program 3: r0 = syz_open_dev$ndb(&(0x7f0000000000)='/dev/nbd#\x00', 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)) r1 = syz_open_dev$ndb(&(0x7f0000000140)='/dev/nbd#\x00', 0x0, 0x0) ioctl$NBD_CLEAR_SOCK(r1, 0xab04) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0xe7) ioctl$NBD_SET_SOCK(r0, 0xab03, 0xffffffffffffffff) [ 1960.069541] block nbd5: Receive control failed (result -32) [ 1960.071806] block nbd5: shutting down sockets [ 1960.077109] block nbd0: Receive control failed (result -32) [ 1960.085971] block nbd0: shutting down sockets 22:53:02 executing program 0: r0 = syz_open_dev$ndb(&(0x7f0000000000)='/dev/nbd#\x00', 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = syz_open_dev$ndb(0x0, 0x0, 0x0) ioctl$NBD_CLEAR_SOCK(r2, 0xab04) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0xe7) ioctl$NBD_SET_SOCK(r0, 0xab03, 0xffffffffffffffff) 22:53:02 executing program 4: r0 = syz_open_dev$ndb(&(0x7f0000000000)='/dev/nbd#\x00', 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, 0xffffffffffffffff) r1 = syz_open_dev$ndb(&(0x7f0000000140)='/dev/nbd#\x00', 0x0, 0x0) ioctl$NBD_CLEAR_SOCK(r1, 0xab04) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0xe7) ioctl$NBD_SET_SOCK(r0, 0xab03, 0xffffffffffffffff) 22:53:02 executing program 2: r0 = syz_open_dev$ndb(&(0x7f0000000000)='/dev/nbd#\x00', 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = syz_open_dev$ndb(&(0x7f0000000140)='/dev/nbd#\x00', 0x0, 0x0) ioctl$NBD_CLEAR_SOCK(r2, 0xab04) ioctl$NBD_SET_SOCK(r0, 0xab03, 0xffffffffffffffff) r3 = socket$nl_generic(0x10, 0x3, 0x10) socket$inet6_sctp(0xa, 0x1, 0x84) sendmsg$MPTCP_PM_CMD_SET_LIMITS(r3, &(0x7f0000000c80)={&(0x7f0000000bc0)={0x10, 0x0, 0x0, 0x20400000}, 0xc, &(0x7f0000000c40)={&(0x7f0000000c00)={0x14}, 0x14}}, 0x0) r4 = syz_genetlink_get_family_id$netlbl_mgmt(&(0x7f00000000c0)='NLBL_MGMT\x00') r5 = openat$dlm_control(0xffffffffffffff9c, &(0x7f0000000200)='/dev/dlm-control\x00', 0x40000, 0x0) ioctl$KVM_GET_DEVICE_ATTR(r5, 0x4018aee2, &(0x7f0000000280)={0x0, 0x38, 0x3, &(0x7f0000000240)=0x1}) sendmsg$NLBL_MGMT_C_PROTOCOLS(r3, &(0x7f00000001c0)={&(0x7f0000000080)={0x10, 0x0, 0x0, 0x2}, 0xc, &(0x7f0000000180)={&(0x7f0000000100)={0x40, r4, 0x400, 0x70bd2b, 0x25dfdbfb, {}, [@NLBL_MGMT_A_IPV4MASK={0x8, 0x8, @multicast1}, @NLBL_MGMT_A_CV4DOI={0x8, 0x4, 0x1}, @NLBL_MGMT_A_IPV4ADDR={0x8, 0x7, @initdev={0xac, 0x1e, 0x1, 0x0}}, @NLBL_MGMT_A_IPV6MASK={0x14, 0x6, @ipv4={[], [], @multicast1}}]}, 0x40}, 0x1, 0x0, 0x0, 0x8000}, 0x20000000) 22:53:02 executing program 3: r0 = syz_open_dev$ndb(&(0x7f0000000000)='/dev/nbd#\x00', 0x0, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, 0xffffffffffffffff) r1 = syz_open_dev$ndb(&(0x7f0000000140)='/dev/nbd#\x00', 0x0, 0x0) ioctl$NBD_CLEAR_SOCK(r1, 0xab04) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0xe7) ioctl$NBD_SET_SOCK(r0, 0xab03, 0xffffffffffffffff) [ 1960.180144] block nbd2: shutting down sockets 22:53:02 executing program 3: r0 = syz_open_dev$ndb(&(0x7f0000000000)='/dev/nbd#\x00', 0x0, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, 0xffffffffffffffff) r1 = syz_open_dev$ndb(&(0x7f0000000140)='/dev/nbd#\x00', 0x0, 0x0) ioctl$NBD_CLEAR_SOCK(r1, 0xab04) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0xe7) ioctl$NBD_SET_SOCK(r0, 0xab03, 0xffffffffffffffff) [ 1960.200881] block nbd2: shutting down sockets 22:53:02 executing program 1: r0 = syz_open_dev$ndb(&(0x7f0000000000)='/dev/nbd#\x00', 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) ioctl$NBD_CLEAR_SOCK(0xffffffffffffffff, 0xab04) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0xe7) ioctl$NBD_SET_SOCK(r0, 0xab03, 0xffffffffffffffff) 22:53:02 executing program 4: r0 = syz_open_dev$ndb(&(0x7f0000000000)='/dev/nbd#\x00', 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, 0xffffffffffffffff) r1 = syz_open_dev$ndb(&(0x7f0000000140)='/dev/nbd#\x00', 0x0, 0x0) ioctl$NBD_CLEAR_SOCK(r1, 0xab04) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0xe7) ioctl$NBD_SET_SOCK(r0, 0xab03, 0xffffffffffffffff) 22:53:02 executing program 3: r0 = syz_open_dev$ndb(&(0x7f0000000000)='/dev/nbd#\x00', 0x0, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, 0xffffffffffffffff) r1 = syz_open_dev$ndb(&(0x7f0000000140)='/dev/nbd#\x00', 0x0, 0x0) ioctl$NBD_CLEAR_SOCK(r1, 0xab04) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0xe7) ioctl$NBD_SET_SOCK(r0, 0xab03, 0xffffffffffffffff) 22:53:02 executing program 2: r0 = syz_open_dev$ndb(&(0x7f0000000000)='/dev/nbd#\x00', 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = syz_open_dev$ndb(&(0x7f0000000140)='/dev/nbd#\x00', 0x0, 0x0) ioctl$NBD_CLEAR_SOCK(r2, 0xab04) ioctl$NBD_SET_SOCK(r0, 0xab03, 0xffffffffffffffff) r3 = socket$nl_generic(0x10, 0x3, 0x10) socket$inet6_sctp(0xa, 0x1, 0x84) sendmsg$MPTCP_PM_CMD_SET_LIMITS(r3, &(0x7f0000000c80)={&(0x7f0000000bc0)={0x10, 0x0, 0x0, 0x20400000}, 0xc, &(0x7f0000000c40)={&(0x7f0000000c00)={0x14}, 0x14}}, 0x0) r4 = syz_genetlink_get_family_id$netlbl_mgmt(&(0x7f00000000c0)='NLBL_MGMT\x00') r5 = openat$dlm_control(0xffffffffffffff9c, &(0x7f0000000200)='/dev/dlm-control\x00', 0x40000, 0x0) ioctl$KVM_GET_DEVICE_ATTR(r5, 0x4018aee2, &(0x7f0000000280)={0x0, 0x38, 0x3, &(0x7f0000000240)=0x1}) sendmsg$NLBL_MGMT_C_PROTOCOLS(r3, &(0x7f00000001c0)={&(0x7f0000000080)={0x10, 0x0, 0x0, 0x2}, 0xc, &(0x7f0000000180)={&(0x7f0000000100)={0x40, r4, 0x400, 0x70bd2b, 0x25dfdbfb, {}, [@NLBL_MGMT_A_IPV4MASK={0x8, 0x8, @multicast1}, @NLBL_MGMT_A_CV4DOI={0x8, 0x4, 0x1}, @NLBL_MGMT_A_IPV4ADDR={0x8, 0x7, @initdev={0xac, 0x1e, 0x1, 0x0}}, @NLBL_MGMT_A_IPV6MASK={0x14, 0x6, @ipv4={[], [], @multicast1}}]}, 0x40}, 0x1, 0x0, 0x0, 0x8000}, 0x20000000) [ 1960.306407] block nbd1: Receive control failed (result -32) [ 1960.312875] block nbd1: shutting down sockets [ 1960.393897] block nbd2: shutting down sockets 22:53:02 executing program 3: socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(0xffffffffffffffff, 0xab00, r0) r1 = syz_open_dev$ndb(&(0x7f0000000140)='/dev/nbd#\x00', 0x0, 0x0) ioctl$NBD_CLEAR_SOCK(r1, 0xab04) ioctl$NBD_SET_FLAGS(0xffffffffffffffff, 0xab0a, 0xe7) ioctl$NBD_SET_SOCK(0xffffffffffffffff, 0xab03, 0xffffffffffffffff) 22:53:03 executing program 5: r0 = syz_open_dev$ndb(&(0x7f0000000000)='/dev/nbd#\x00', 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) r2 = openat$dlm_control(0xffffffffffffff9c, &(0x7f0000000000)='/dev/dlm-control\x00', 0x0, 0x0) ioctl$SNDRV_PCM_IOCTL_XRUN(r2, 0x4148, 0x0) getsockname$packet(r2, &(0x7f00000002c0)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000300)=0x14) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r3 = syz_open_dev$ndb(&(0x7f0000000140)='/dev/nbd#\x00', 0x0, 0x0) ioctl$NBD_CLEAR_SOCK(r3, 0xab04) ioctl$NBD_SET_SOCK(r0, 0xab03, 0xffffffffffffffff) 22:53:03 executing program 4: r0 = syz_open_dev$ndb(&(0x7f0000000000)='/dev/nbd#\x00', 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, 0xffffffffffffffff) r1 = syz_open_dev$ndb(&(0x7f0000000140)='/dev/nbd#\x00', 0x0, 0x0) ioctl$NBD_CLEAR_SOCK(r1, 0xab04) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0xe7) ioctl$NBD_SET_SOCK(r0, 0xab03, 0xffffffffffffffff) 22:53:03 executing program 0: r0 = syz_open_dev$ndb(&(0x7f0000000000)='/dev/nbd#\x00', 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) syz_open_dev$ndb(&(0x7f0000000140)='/dev/nbd#\x00', 0x0, 0x0) ioctl$NBD_CLEAR_SOCK(0xffffffffffffffff, 0xab04) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0xe7) ioctl$NBD_SET_SOCK(r0, 0xab03, 0xffffffffffffffff) 22:53:03 executing program 2: r0 = syz_open_dev$ndb(&(0x7f0000000000)='/dev/nbd#\x00', 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)) syz_open_dev$ndb(&(0x7f0000000140)='/dev/nbd#\x00', 0x0, 0x0) r1 = openat$dlm_control(0xffffffffffffff9c, &(0x7f0000000000)='/dev/dlm-control\x00', 0x0, 0x0) ioctl$SNDRV_PCM_IOCTL_XRUN(r1, 0x4148, 0x0) r2 = openat$dlm_control(0xffffffffffffff9c, &(0x7f0000000000)='/dev/dlm-control\x00', 0x0, 0x0) ioctl$SNDRV_PCM_IOCTL_XRUN(r2, 0x4148, 0x0) r3 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x8002) ioctl$NBD_CLEAR_SOCK(r3, 0xab04) ioctl$NBD_SET_SOCK(r0, 0xab03, 0xffffffffffffffff) 22:53:03 executing program 3: socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(0xffffffffffffffff, 0xab00, r0) r1 = syz_open_dev$ndb(&(0x7f0000000140)='/dev/nbd#\x00', 0x0, 0x0) ioctl$NBD_CLEAR_SOCK(r1, 0xab04) ioctl$NBD_SET_FLAGS(0xffffffffffffffff, 0xab0a, 0xe7) ioctl$NBD_SET_SOCK(0xffffffffffffffff, 0xab03, 0xffffffffffffffff) [ 1960.980041] block nbd5: Receive control failed (result -32) [ 1960.980075] block nbd5: shutting down sockets [ 1960.997595] block nbd0: Receive control failed (result -32) [ 1961.008161] block nbd0: shutting down sockets 22:53:03 executing program 4: r0 = syz_open_dev$ndb(&(0x7f0000000000)='/dev/nbd#\x00', 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(0xffffffffffffffff, 0xab00, r1) r2 = syz_open_dev$ndb(&(0x7f0000000140)='/dev/nbd#\x00', 0x0, 0x0) ioctl$NBD_CLEAR_SOCK(r2, 0xab04) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0xe7) ioctl$NBD_SET_SOCK(r0, 0xab03, 0xffffffffffffffff) [ 1961.095003] block nbd5: shutting down sockets 22:53:03 executing program 3: socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(0xffffffffffffffff, 0xab00, r0) r1 = syz_open_dev$ndb(&(0x7f0000000140)='/dev/nbd#\x00', 0x0, 0x0) ioctl$NBD_CLEAR_SOCK(r1, 0xab04) ioctl$NBD_SET_FLAGS(0xffffffffffffffff, 0xab0a, 0xe7) ioctl$NBD_SET_SOCK(0xffffffffffffffff, 0xab03, 0xffffffffffffffff) 22:53:03 executing program 1: r0 = syz_open_dev$ndb(&(0x7f0000000000)='/dev/nbd#\x00', 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)) r1 = syz_open_dev$ndb(&(0x7f0000000140)='/dev/nbd#\x00', 0x0, 0x0) ioctl$NBD_CLEAR_SOCK(r1, 0xab04) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0xe7) ioctl$NBD_SET_SOCK(r0, 0xab03, 0xffffffffffffffff) 22:53:03 executing program 5: r0 = syz_open_dev$ndb(&(0x7f0000000000)='/dev/nbd#\x00', 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) r2 = openat$dlm_control(0xffffffffffffff9c, &(0x7f0000000000)='/dev/dlm-control\x00', 0x0, 0x0) ioctl$SNDRV_PCM_IOCTL_XRUN(r2, 0x4148, 0x0) getsockname$packet(r2, &(0x7f00000002c0)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000300)=0x14) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r3 = syz_open_dev$ndb(&(0x7f0000000140)='/dev/nbd#\x00', 0x0, 0x0) ioctl$NBD_CLEAR_SOCK(r3, 0xab04) ioctl$NBD_SET_SOCK(r0, 0xab03, 0xffffffffffffffff) 22:53:03 executing program 2: r0 = syz_open_dev$ndb(0x0, 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = syz_open_dev$ndb(&(0x7f0000000140)='/dev/nbd#\x00', 0x0, 0x0) ioctl$NBD_CLEAR_SOCK(r2, 0xab04) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0xe7) ioctl$NBD_SET_SOCK(r0, 0xab03, 0xffffffffffffffff) 22:53:03 executing program 4: r0 = syz_open_dev$ndb(&(0x7f0000000000)='/dev/nbd#\x00', 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(0xffffffffffffffff, 0xab00, r1) r2 = syz_open_dev$ndb(&(0x7f0000000140)='/dev/nbd#\x00', 0x0, 0x0) ioctl$NBD_CLEAR_SOCK(r2, 0xab04) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0xe7) ioctl$NBD_SET_SOCK(r0, 0xab03, 0xffffffffffffffff) 22:53:03 executing program 3: r0 = syz_open_dev$ndb(0x0, 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = syz_open_dev$ndb(&(0x7f0000000140)='/dev/nbd#\x00', 0x0, 0x0) ioctl$NBD_CLEAR_SOCK(r2, 0xab04) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0xe7) ioctl$NBD_SET_SOCK(r0, 0xab03, 0xffffffffffffffff) [ 1961.236190] block nbd1: Receive control failed (result -32) [ 1961.242710] block nbd1: shutting down sockets 22:53:03 executing program 4: r0 = syz_open_dev$ndb(&(0x7f0000000000)='/dev/nbd#\x00', 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(0xffffffffffffffff, 0xab00, r1) r2 = syz_open_dev$ndb(&(0x7f0000000140)='/dev/nbd#\x00', 0x0, 0x0) ioctl$NBD_CLEAR_SOCK(r2, 0xab04) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0xe7) ioctl$NBD_SET_SOCK(r0, 0xab03, 0xffffffffffffffff) 22:53:03 executing program 2: r0 = syz_open_dev$ndb(&(0x7f0000000000)='/dev/nbd#\x00', 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) ioctl$NBD_CLEAR_SOCK(0xffffffffffffffff, 0xab04) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0xe7) ioctl$NBD_SET_SOCK(r0, 0xab03, 0xffffffffffffffff) [ 1961.348733] block nbd5: shutting down sockets 22:53:04 executing program 0: r0 = syz_open_dev$ndb(&(0x7f0000000000)='/dev/nbd#\x00', 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) syz_open_dev$ndb(&(0x7f0000000140)='/dev/nbd#\x00', 0x0, 0x0) ioctl$NBD_CLEAR_SOCK(0xffffffffffffffff, 0xab04) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0xe7) ioctl$NBD_SET_SOCK(r0, 0xab03, 0xffffffffffffffff) 22:53:04 executing program 3: r0 = syz_open_dev$ndb(0x0, 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = syz_open_dev$ndb(&(0x7f0000000140)='/dev/nbd#\x00', 0x0, 0x0) ioctl$NBD_CLEAR_SOCK(r2, 0xab04) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0xe7) ioctl$NBD_SET_SOCK(r0, 0xab03, 0xffffffffffffffff) 22:53:04 executing program 5: r0 = syz_open_dev$ndb(&(0x7f0000000000)='/dev/nbd#\x00', 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) r2 = openat$dlm_control(0xffffffffffffff9c, &(0x7f0000000000)='/dev/dlm-control\x00', 0x0, 0x0) ioctl$SNDRV_PCM_IOCTL_XRUN(r2, 0x4148, 0x0) getsockname$packet(r2, &(0x7f00000002c0)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000300)=0x14) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r3 = syz_open_dev$ndb(&(0x7f0000000140)='/dev/nbd#\x00', 0x0, 0x0) ioctl$NBD_CLEAR_SOCK(r3, 0xab04) ioctl$NBD_SET_SOCK(r0, 0xab03, 0xffffffffffffffff) 22:53:04 executing program 1: r0 = syz_open_dev$ndb(&(0x7f0000000000)='/dev/nbd#\x00', 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)) r1 = syz_open_dev$ndb(&(0x7f0000000140)='/dev/nbd#\x00', 0x0, 0x0) ioctl$NBD_CLEAR_SOCK(r1, 0xab04) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0xe7) ioctl$NBD_SET_SOCK(r0, 0xab03, 0xffffffffffffffff) 22:53:04 executing program 4: r0 = syz_open_dev$ndb(&(0x7f0000000000)='/dev/nbd#\x00', 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)) ioctl$NBD_SET_SOCK(r0, 0xab00, 0xffffffffffffffff) r1 = syz_open_dev$ndb(&(0x7f0000000140)='/dev/nbd#\x00', 0x0, 0x0) ioctl$NBD_CLEAR_SOCK(r1, 0xab04) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0xe7) ioctl$NBD_SET_SOCK(r0, 0xab03, 0xffffffffffffffff) [ 1961.925153] block nbd0: Receive control failed (result -32) [ 1961.931400] block nbd0: shutting down sockets 22:53:04 executing program 4: r0 = syz_open_dev$ndb(&(0x7f0000000000)='/dev/nbd#\x00', 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)) ioctl$NBD_SET_SOCK(r0, 0xab00, 0xffffffffffffffff) r1 = syz_open_dev$ndb(&(0x7f0000000140)='/dev/nbd#\x00', 0x0, 0x0) ioctl$NBD_CLEAR_SOCK(r1, 0xab04) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0xe7) ioctl$NBD_SET_SOCK(r0, 0xab03, 0xffffffffffffffff) [ 1961.993952] block nbd5: shutting down sockets 22:53:04 executing program 1: r0 = syz_open_dev$ndb(&(0x7f0000000000)='/dev/nbd#\x00', 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)) r1 = syz_open_dev$ndb(&(0x7f0000000140)='/dev/nbd#\x00', 0x0, 0x0) ioctl$NBD_CLEAR_SOCK(r1, 0xab04) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0xe7) ioctl$NBD_SET_SOCK(r0, 0xab03, 0xffffffffffffffff) 22:53:04 executing program 5: r0 = syz_open_dev$ndb(&(0x7f0000000000)='/dev/nbd#\x00', 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)) r1 = openat$dlm_control(0xffffffffffffff9c, &(0x7f0000000000)='/dev/dlm-control\x00', 0x0, 0x0) ioctl$SNDRV_PCM_IOCTL_XRUN(r1, 0x4148, 0x0) getsockname$packet(r1, &(0x7f00000002c0)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000300)=0x14) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x13e) r2 = syz_open_dev$ndb(&(0x7f0000000140)='/dev/nbd#\x00', 0x0, 0x0) ioctl$NBD_CLEAR_SOCK(r2, 0xab04) ioctl$NBD_SET_SOCK(r0, 0xab03, 0xffffffffffffffff) 22:53:04 executing program 3: r0 = syz_open_dev$ndb(0x0, 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = syz_open_dev$ndb(&(0x7f0000000140)='/dev/nbd#\x00', 0x0, 0x0) ioctl$NBD_CLEAR_SOCK(r2, 0xab04) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0xe7) ioctl$NBD_SET_SOCK(r0, 0xab03, 0xffffffffffffffff) 22:53:04 executing program 4: r0 = syz_open_dev$ndb(&(0x7f0000000000)='/dev/nbd#\x00', 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)) ioctl$NBD_SET_SOCK(r0, 0xab00, 0xffffffffffffffff) r1 = syz_open_dev$ndb(&(0x7f0000000140)='/dev/nbd#\x00', 0x0, 0x0) ioctl$NBD_CLEAR_SOCK(r1, 0xab04) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0xe7) ioctl$NBD_SET_SOCK(r0, 0xab03, 0xffffffffffffffff) 22:53:04 executing program 1: r0 = syz_open_dev$ndb(&(0x7f0000000000)='/dev/nbd#\x00', 0x0, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, 0xffffffffffffffff) r1 = syz_open_dev$ndb(&(0x7f0000000140)='/dev/nbd#\x00', 0x0, 0x0) ioctl$NBD_CLEAR_SOCK(r1, 0xab04) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0xe7) ioctl$NBD_SET_SOCK(r0, 0xab03, 0xffffffffffffffff) 22:53:04 executing program 2: r0 = syz_open_dev$ndb(&(0x7f0000000000)='/dev/nbd#\x00', 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) ioctl$NBD_CLEAR_SOCK(0xffffffffffffffff, 0xab04) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0xe7) ioctl$NBD_SET_SOCK(r0, 0xab03, 0xffffffffffffffff) [ 1962.235606] block nbd2: Receive control failed (result -32) [ 1962.235924] block nbd2: shutting down sockets 22:53:05 executing program 0: r0 = syz_open_dev$ndb(&(0x7f0000000000)='/dev/nbd#\x00', 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) syz_open_dev$ndb(&(0x7f0000000140)='/dev/nbd#\x00', 0x0, 0x0) ioctl$NBD_CLEAR_SOCK(0xffffffffffffffff, 0xab04) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0xe7) ioctl$NBD_SET_SOCK(r0, 0xab03, 0xffffffffffffffff) 22:53:05 executing program 3: r0 = syz_open_dev$ndb(&(0x7f0000000000)='/dev/nbd#\x00', 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, 0xffffffffffffffff) r1 = syz_open_dev$ndb(&(0x7f0000000140)='/dev/nbd#\x00', 0x0, 0x0) ioctl$NBD_CLEAR_SOCK(r1, 0xab04) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0xe7) ioctl$NBD_SET_SOCK(r0, 0xab03, 0xffffffffffffffff) 22:53:05 executing program 5: r0 = syz_open_dev$ndb(&(0x7f0000000000)='/dev/nbd#\x00', 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)) r1 = openat$dlm_control(0xffffffffffffff9c, &(0x7f0000000000)='/dev/dlm-control\x00', 0x0, 0x0) ioctl$SNDRV_PCM_IOCTL_XRUN(r1, 0x4148, 0x0) getsockname$packet(r1, &(0x7f00000002c0)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000300)=0x14) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x13e) r2 = syz_open_dev$ndb(&(0x7f0000000140)='/dev/nbd#\x00', 0x0, 0x0) ioctl$NBD_CLEAR_SOCK(r2, 0xab04) ioctl$NBD_SET_SOCK(r0, 0xab03, 0xffffffffffffffff) 22:53:05 executing program 1: r0 = syz_open_dev$ndb(&(0x7f0000000000)='/dev/nbd#\x00', 0x0, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, 0xffffffffffffffff) r1 = syz_open_dev$ndb(&(0x7f0000000140)='/dev/nbd#\x00', 0x0, 0x0) ioctl$NBD_CLEAR_SOCK(r1, 0xab04) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0xe7) ioctl$NBD_SET_SOCK(r0, 0xab03, 0xffffffffffffffff) 22:53:05 executing program 4: r0 = syz_open_dev$ndb(&(0x7f0000000000)='/dev/nbd#\x00', 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = syz_open_dev$ndb(0x0, 0x0, 0x0) ioctl$NBD_CLEAR_SOCK(r2, 0xab04) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0xe7) ioctl$NBD_SET_SOCK(r0, 0xab03, 0xffffffffffffffff) [ 1962.832331] block nbd0: Receive control failed (result -32) [ 1962.835046] block nbd0: shutting down sockets 22:53:05 executing program 3: r0 = syz_open_dev$ndb(&(0x7f0000000000)='/dev/nbd#\x00', 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, 0xffffffffffffffff) r1 = syz_open_dev$ndb(&(0x7f0000000140)='/dev/nbd#\x00', 0x0, 0x0) ioctl$NBD_CLEAR_SOCK(r1, 0xab04) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0xe7) ioctl$NBD_SET_SOCK(r0, 0xab03, 0xffffffffffffffff) 22:53:05 executing program 5: r0 = syz_open_dev$ndb(&(0x7f0000000000)='/dev/nbd#\x00', 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)) r1 = openat$dlm_control(0xffffffffffffff9c, &(0x7f0000000000)='/dev/dlm-control\x00', 0x0, 0x0) ioctl$SNDRV_PCM_IOCTL_XRUN(r1, 0x4148, 0x0) getsockname$packet(r1, &(0x7f00000002c0)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000300)=0x14) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x13e) r2 = syz_open_dev$ndb(&(0x7f0000000140)='/dev/nbd#\x00', 0x0, 0x0) ioctl$NBD_CLEAR_SOCK(r2, 0xab04) ioctl$NBD_SET_SOCK(r0, 0xab03, 0xffffffffffffffff) 22:53:05 executing program 1: r0 = syz_open_dev$ndb(&(0x7f0000000000)='/dev/nbd#\x00', 0x0, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, 0xffffffffffffffff) r1 = syz_open_dev$ndb(&(0x7f0000000140)='/dev/nbd#\x00', 0x0, 0x0) ioctl$NBD_CLEAR_SOCK(r1, 0xab04) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0xe7) ioctl$NBD_SET_SOCK(r0, 0xab03, 0xffffffffffffffff) 22:53:05 executing program 1: socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(0xffffffffffffffff, 0xab00, r0) r1 = syz_open_dev$ndb(&(0x7f0000000140)='/dev/nbd#\x00', 0x0, 0x0) ioctl$NBD_CLEAR_SOCK(r1, 0xab04) ioctl$NBD_SET_FLAGS(0xffffffffffffffff, 0xab0a, 0xe7) ioctl$NBD_SET_SOCK(0xffffffffffffffff, 0xab03, 0xffffffffffffffff) 22:53:05 executing program 3: r0 = syz_open_dev$ndb(&(0x7f0000000000)='/dev/nbd#\x00', 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, 0xffffffffffffffff) r1 = syz_open_dev$ndb(&(0x7f0000000140)='/dev/nbd#\x00', 0x0, 0x0) ioctl$NBD_CLEAR_SOCK(r1, 0xab04) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0xe7) ioctl$NBD_SET_SOCK(r0, 0xab03, 0xffffffffffffffff) 22:53:05 executing program 5: r0 = syz_open_dev$ndb(&(0x7f0000000000)='/dev/nbd#\x00', 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) r2 = openat$dlm_control(0xffffffffffffff9c, &(0x7f0000000000)='/dev/dlm-control\x00', 0x0, 0x0) ioctl$SNDRV_PCM_IOCTL_XRUN(r2, 0x4148, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x13e) r3 = syz_open_dev$ndb(&(0x7f0000000140)='/dev/nbd#\x00', 0x0, 0x0) ioctl$NBD_CLEAR_SOCK(r3, 0xab04) ioctl$NBD_SET_SOCK(r0, 0xab03, 0xffffffffffffffff) [ 1963.121070] block nbd5: shutting down sockets [ 1963.124769] block nbd2: shutting down sockets 22:53:05 executing program 2: r0 = syz_open_dev$ndb(&(0x7f0000000000)='/dev/nbd#\x00', 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) ioctl$NBD_CLEAR_SOCK(0xffffffffffffffff, 0xab04) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0xe7) ioctl$NBD_SET_SOCK(r0, 0xab03, 0xffffffffffffffff) 22:53:06 executing program 0: r0 = syz_open_dev$ndb(&(0x7f0000000000)='/dev/nbd#\x00', 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = syz_open_dev$ndb(&(0x7f0000000140)='/dev/nbd#\x00', 0x0, 0x0) ioctl$NBD_CLEAR_SOCK(r2, 0xab04) ioctl$NBD_SET_FLAGS(0xffffffffffffffff, 0xab0a, 0xe7) ioctl$NBD_SET_SOCK(r0, 0xab03, 0xffffffffffffffff) 22:53:06 executing program 1: socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(0xffffffffffffffff, 0xab00, r0) r1 = syz_open_dev$ndb(&(0x7f0000000140)='/dev/nbd#\x00', 0x0, 0x0) ioctl$NBD_CLEAR_SOCK(r1, 0xab04) ioctl$NBD_SET_FLAGS(0xffffffffffffffff, 0xab0a, 0xe7) ioctl$NBD_SET_SOCK(0xffffffffffffffff, 0xab03, 0xffffffffffffffff) 22:53:06 executing program 5: r0 = syz_open_dev$ndb(&(0x7f0000000000)='/dev/nbd#\x00', 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) openat$dlm_control(0xffffffffffffff9c, &(0x7f0000000000)='/dev/dlm-control\x00', 0x0, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x13e) r2 = syz_open_dev$ndb(&(0x7f0000000140)='/dev/nbd#\x00', 0x0, 0x0) ioctl$NBD_CLEAR_SOCK(r2, 0xab04) ioctl$NBD_SET_SOCK(r0, 0xab03, 0xffffffffffffffff) [ 1963.733474] block nbd4: Receive control failed (result -32) [ 1963.734900] block nbd4: shutting down sockets [ 1963.745508] block nbd0: Receive control failed (result -32) [ 1963.747946] block nbd0: shutting down sockets 22:53:06 executing program 3: r0 = syz_open_dev$ndb(&(0x7f0000000000)='/dev/nbd#\x00', 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(0xffffffffffffffff, 0xab00, r1) r2 = syz_open_dev$ndb(&(0x7f0000000140)='/dev/nbd#\x00', 0x0, 0x0) ioctl$NBD_CLEAR_SOCK(r2, 0xab04) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0xe7) ioctl$NBD_SET_SOCK(r0, 0xab03, 0xffffffffffffffff) 22:53:06 executing program 4: r0 = syz_open_dev$ndb(&(0x7f0000000000)='/dev/nbd#\x00', 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = syz_open_dev$ndb(0x0, 0x0, 0x0) ioctl$NBD_CLEAR_SOCK(r2, 0xab04) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0xe7) ioctl$NBD_SET_SOCK(r0, 0xab03, 0xffffffffffffffff) [ 1963.848185] block nbd5: shutting down sockets [ 1963.857090] block nbd0: shutting down sockets 22:53:06 executing program 5: r0 = syz_open_dev$ndb(&(0x7f0000000000)='/dev/nbd#\x00', 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x13e) r2 = syz_open_dev$ndb(&(0x7f0000000140)='/dev/nbd#\x00', 0x0, 0x0) ioctl$NBD_CLEAR_SOCK(r2, 0xab04) ioctl$NBD_SET_SOCK(r0, 0xab03, 0xffffffffffffffff) 22:53:06 executing program 3: r0 = syz_open_dev$ndb(&(0x7f0000000000)='/dev/nbd#\x00', 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(0xffffffffffffffff, 0xab00, r1) r2 = syz_open_dev$ndb(&(0x7f0000000140)='/dev/nbd#\x00', 0x0, 0x0) ioctl$NBD_CLEAR_SOCK(r2, 0xab04) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0xe7) ioctl$NBD_SET_SOCK(r0, 0xab03, 0xffffffffffffffff) 22:53:06 executing program 1: socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(0xffffffffffffffff, 0xab00, r0) r1 = syz_open_dev$ndb(&(0x7f0000000140)='/dev/nbd#\x00', 0x0, 0x0) ioctl$NBD_CLEAR_SOCK(r1, 0xab04) ioctl$NBD_SET_FLAGS(0xffffffffffffffff, 0xab0a, 0xe7) ioctl$NBD_SET_SOCK(0xffffffffffffffff, 0xab03, 0xffffffffffffffff) 22:53:06 executing program 0: r0 = syz_open_dev$ndb(&(0x7f0000000000)='/dev/nbd#\x00', 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = syz_open_dev$ndb(&(0x7f0000000140)='/dev/nbd#\x00', 0x0, 0x0) ioctl$NBD_CLEAR_SOCK(r2, 0xab04) ioctl$NBD_SET_FLAGS(0xffffffffffffffff, 0xab0a, 0xe7) ioctl$NBD_SET_SOCK(r0, 0xab03, 0xffffffffffffffff) 22:53:06 executing program 1: r0 = syz_open_dev$ndb(0x0, 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = syz_open_dev$ndb(&(0x7f0000000140)='/dev/nbd#\x00', 0x0, 0x0) ioctl$NBD_CLEAR_SOCK(r2, 0xab04) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0xe7) ioctl$NBD_SET_SOCK(r0, 0xab03, 0xffffffffffffffff) 22:53:06 executing program 3: r0 = syz_open_dev$ndb(&(0x7f0000000000)='/dev/nbd#\x00', 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(0xffffffffffffffff, 0xab00, r1) r2 = syz_open_dev$ndb(&(0x7f0000000140)='/dev/nbd#\x00', 0x0, 0x0) ioctl$NBD_CLEAR_SOCK(r2, 0xab04) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0xe7) ioctl$NBD_SET_SOCK(r0, 0xab03, 0xffffffffffffffff) [ 1963.995152] block nbd5: shutting down sockets [ 1964.028992] block nbd0: shutting down sockets [ 1964.035504] block nbd2: Receive control failed (result -32) [ 1964.041976] block nbd2: shutting down sockets 22:53:06 executing program 2: r0 = syz_open_dev$ndb(&(0x7f0000000000)='/dev/nbd#\x00', 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) ioctl$NBD_CLEAR_SOCK(0xffffffffffffffff, 0xab04) ioctl$NBD_SET_SOCK(r0, 0xab03, 0xffffffffffffffff) 22:53:06 executing program 5: r0 = syz_open_dev$ndb(&(0x7f0000000000)='/dev/nbd#\x00', 0x0, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, 0xffffffffffffffff) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x13e) r1 = syz_open_dev$ndb(&(0x7f0000000140)='/dev/nbd#\x00', 0x0, 0x0) ioctl$NBD_CLEAR_SOCK(r1, 0xab04) ioctl$NBD_SET_SOCK(r0, 0xab03, 0xffffffffffffffff) 22:53:06 executing program 0: r0 = syz_open_dev$ndb(&(0x7f0000000000)='/dev/nbd#\x00', 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = syz_open_dev$ndb(&(0x7f0000000140)='/dev/nbd#\x00', 0x0, 0x0) ioctl$NBD_CLEAR_SOCK(r2, 0xab04) ioctl$NBD_SET_FLAGS(0xffffffffffffffff, 0xab0a, 0xe7) ioctl$NBD_SET_SOCK(r0, 0xab03, 0xffffffffffffffff) 22:53:06 executing program 3: r0 = syz_open_dev$ndb(&(0x7f0000000000)='/dev/nbd#\x00', 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)) ioctl$NBD_SET_SOCK(r0, 0xab00, 0xffffffffffffffff) r1 = syz_open_dev$ndb(&(0x7f0000000140)='/dev/nbd#\x00', 0x0, 0x0) ioctl$NBD_CLEAR_SOCK(r1, 0xab04) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0xe7) ioctl$NBD_SET_SOCK(r0, 0xab03, 0xffffffffffffffff) 22:53:06 executing program 1: r0 = syz_open_dev$ndb(0x0, 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = syz_open_dev$ndb(&(0x7f0000000140)='/dev/nbd#\x00', 0x0, 0x0) ioctl$NBD_CLEAR_SOCK(r2, 0xab04) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0xe7) ioctl$NBD_SET_SOCK(r0, 0xab03, 0xffffffffffffffff) [ 1964.167060] block nbd0: shutting down sockets 22:53:07 executing program 4: r0 = syz_open_dev$ndb(&(0x7f0000000000)='/dev/nbd#\x00', 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = syz_open_dev$ndb(0x0, 0x0, 0x0) ioctl$NBD_CLEAR_SOCK(r2, 0xab04) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0xe7) ioctl$NBD_SET_SOCK(r0, 0xab03, 0xffffffffffffffff) 22:53:07 executing program 0: r0 = syz_open_dev$ndb(&(0x7f0000000000)='/dev/nbd#\x00', 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = syz_open_dev$ndb(&(0x7f0000000140)='/dev/nbd#\x00', 0x0, 0x0) ioctl$NBD_CLEAR_SOCK(r2, 0xab04) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab03, 0xffffffffffffffff) 22:53:07 executing program 5: r0 = syz_open_dev$ndb(&(0x7f0000000000)='/dev/nbd#\x00', 0x0, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, 0xffffffffffffffff) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x13e) r1 = syz_open_dev$ndb(&(0x7f0000000140)='/dev/nbd#\x00', 0x0, 0x0) ioctl$NBD_CLEAR_SOCK(r1, 0xab04) ioctl$NBD_SET_SOCK(r0, 0xab03, 0xffffffffffffffff) 22:53:07 executing program 3: r0 = syz_open_dev$ndb(&(0x7f0000000000)='/dev/nbd#\x00', 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)) ioctl$NBD_SET_SOCK(r0, 0xab00, 0xffffffffffffffff) r1 = syz_open_dev$ndb(&(0x7f0000000140)='/dev/nbd#\x00', 0x0, 0x0) ioctl$NBD_CLEAR_SOCK(r1, 0xab04) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0xe7) ioctl$NBD_SET_SOCK(r0, 0xab03, 0xffffffffffffffff) 22:53:07 executing program 1: r0 = syz_open_dev$ndb(0x0, 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = syz_open_dev$ndb(&(0x7f0000000140)='/dev/nbd#\x00', 0x0, 0x0) ioctl$NBD_CLEAR_SOCK(r2, 0xab04) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0xe7) ioctl$NBD_SET_SOCK(r0, 0xab03, 0xffffffffffffffff) [ 1964.744118] block nbd4: Receive control failed (result -32) [ 1964.746811] block nbd4: shutting down sockets [ 1964.804945] block nbd0: shutting down sockets 22:53:07 executing program 1: r0 = syz_open_dev$ndb(&(0x7f0000000000)='/dev/nbd#\x00', 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, 0xffffffffffffffff) r1 = syz_open_dev$ndb(&(0x7f0000000140)='/dev/nbd#\x00', 0x0, 0x0) ioctl$NBD_CLEAR_SOCK(r1, 0xab04) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0xe7) ioctl$NBD_SET_SOCK(r0, 0xab03, 0xffffffffffffffff) 22:53:07 executing program 0: r0 = syz_open_dev$ndb(&(0x7f0000000000)='/dev/nbd#\x00', 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = syz_open_dev$ndb(&(0x7f0000000140)='/dev/nbd#\x00', 0x0, 0x0) ioctl$NBD_CLEAR_SOCK(r2, 0xab04) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab03, 0xffffffffffffffff) [ 1964.929810] block nbd0: shutting down sockets 22:53:07 executing program 2: r0 = syz_open_dev$ndb(&(0x7f0000000000)='/dev/nbd#\x00', 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) ioctl$NBD_CLEAR_SOCK(0xffffffffffffffff, 0xab04) ioctl$NBD_SET_SOCK(r0, 0xab03, 0xffffffffffffffff) 22:53:07 executing program 3: r0 = syz_open_dev$ndb(&(0x7f0000000000)='/dev/nbd#\x00', 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)) ioctl$NBD_SET_SOCK(r0, 0xab00, 0xffffffffffffffff) r1 = syz_open_dev$ndb(&(0x7f0000000140)='/dev/nbd#\x00', 0x0, 0x0) ioctl$NBD_CLEAR_SOCK(r1, 0xab04) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0xe7) ioctl$NBD_SET_SOCK(r0, 0xab03, 0xffffffffffffffff) 22:53:07 executing program 5: r0 = syz_open_dev$ndb(&(0x7f0000000000)='/dev/nbd#\x00', 0x0, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, 0xffffffffffffffff) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x13e) r1 = syz_open_dev$ndb(&(0x7f0000000140)='/dev/nbd#\x00', 0x0, 0x0) ioctl$NBD_CLEAR_SOCK(r1, 0xab04) ioctl$NBD_SET_SOCK(r0, 0xab03, 0xffffffffffffffff) 22:53:07 executing program 1: r0 = syz_open_dev$ndb(&(0x7f0000000000)='/dev/nbd#\x00', 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, 0xffffffffffffffff) r1 = syz_open_dev$ndb(&(0x7f0000000140)='/dev/nbd#\x00', 0x0, 0x0) ioctl$NBD_CLEAR_SOCK(r1, 0xab04) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0xe7) ioctl$NBD_SET_SOCK(r0, 0xab03, 0xffffffffffffffff) 22:53:07 executing program 0: r0 = syz_open_dev$ndb(&(0x7f0000000000)='/dev/nbd#\x00', 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = syz_open_dev$ndb(&(0x7f0000000140)='/dev/nbd#\x00', 0x0, 0x0) ioctl$NBD_CLEAR_SOCK(r2, 0xab04) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab03, 0xffffffffffffffff) [ 1965.024260] block nbd2: Receive control failed (result -32) [ 1965.030406] block nbd2: shutting down sockets [ 1965.089282] block nbd0: shutting down sockets 22:53:08 executing program 4: r0 = syz_open_dev$ndb(&(0x7f0000000000)='/dev/nbd#\x00', 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) syz_open_dev$ndb(&(0x7f0000000140)='/dev/nbd#\x00', 0x0, 0x0) ioctl$NBD_CLEAR_SOCK(0xffffffffffffffff, 0xab04) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0xe7) ioctl$NBD_SET_SOCK(r0, 0xab03, 0xffffffffffffffff) 22:53:08 executing program 1: r0 = syz_open_dev$ndb(&(0x7f0000000000)='/dev/nbd#\x00', 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, 0xffffffffffffffff) r1 = syz_open_dev$ndb(&(0x7f0000000140)='/dev/nbd#\x00', 0x0, 0x0) ioctl$NBD_CLEAR_SOCK(r1, 0xab04) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0xe7) ioctl$NBD_SET_SOCK(r0, 0xab03, 0xffffffffffffffff) 22:53:08 executing program 5: socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(0xffffffffffffffff, 0xab00, r0) ioctl$NBD_SET_FLAGS(0xffffffffffffffff, 0xab0a, 0x13e) r1 = syz_open_dev$ndb(&(0x7f0000000140)='/dev/nbd#\x00', 0x0, 0x0) ioctl$NBD_CLEAR_SOCK(r1, 0xab04) ioctl$NBD_SET_SOCK(0xffffffffffffffff, 0xab03, 0xffffffffffffffff) 22:53:08 executing program 3: r0 = syz_open_dev$ndb(&(0x7f0000000000)='/dev/nbd#\x00', 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = syz_open_dev$ndb(0x0, 0x0, 0x0) ioctl$NBD_CLEAR_SOCK(r2, 0xab04) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0xe7) ioctl$NBD_SET_SOCK(r0, 0xab03, 0xffffffffffffffff) 22:53:08 executing program 0: r0 = syz_open_dev$ndb(&(0x7f0000000000)='/dev/nbd#\x00', 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = syz_open_dev$ndb(&(0x7f0000000140)='/dev/nbd#\x00', 0x0, 0x0) ioctl$NBD_CLEAR_SOCK(r2, 0xab04) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0xe7) ioctl$NBD_SET_SOCK(0xffffffffffffffff, 0xab03, 0xffffffffffffffff) [ 1965.676215] block nbd4: Receive control failed (result -32) [ 1965.677798] block nbd4: shutting down sockets 22:53:08 executing program 1: r0 = syz_open_dev$ndb(&(0x7f0000000000)='/dev/nbd#\x00', 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(0xffffffffffffffff, 0xab00, r1) r2 = syz_open_dev$ndb(&(0x7f0000000140)='/dev/nbd#\x00', 0x0, 0x0) ioctl$NBD_CLEAR_SOCK(r2, 0xab04) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0xe7) ioctl$NBD_SET_SOCK(r0, 0xab03, 0xffffffffffffffff) [ 1965.750695] block nbd0: shutting down sockets 22:53:08 executing program 0: r0 = syz_open_dev$ndb(&(0x7f0000000000)='/dev/nbd#\x00', 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = syz_open_dev$ndb(&(0x7f0000000140)='/dev/nbd#\x00', 0x0, 0x0) ioctl$NBD_CLEAR_SOCK(r2, 0xab04) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0xe7) ioctl$NBD_SET_SOCK(0xffffffffffffffff, 0xab03, 0xffffffffffffffff) [ 1965.844422] block nbd0: shutting down sockets 22:53:08 executing program 2: r0 = syz_open_dev$ndb(&(0x7f0000000000)='/dev/nbd#\x00', 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) ioctl$NBD_CLEAR_SOCK(0xffffffffffffffff, 0xab04) ioctl$NBD_SET_SOCK(r0, 0xab03, 0xffffffffffffffff) 22:53:08 executing program 5: socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(0xffffffffffffffff, 0xab00, r0) ioctl$NBD_SET_FLAGS(0xffffffffffffffff, 0xab0a, 0x13e) r1 = syz_open_dev$ndb(&(0x7f0000000140)='/dev/nbd#\x00', 0x0, 0x0) ioctl$NBD_CLEAR_SOCK(r1, 0xab04) ioctl$NBD_SET_SOCK(0xffffffffffffffff, 0xab03, 0xffffffffffffffff) 22:53:08 executing program 1: r0 = syz_open_dev$ndb(&(0x7f0000000000)='/dev/nbd#\x00', 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(0xffffffffffffffff, 0xab00, r1) r2 = syz_open_dev$ndb(&(0x7f0000000140)='/dev/nbd#\x00', 0x0, 0x0) ioctl$NBD_CLEAR_SOCK(r2, 0xab04) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0xe7) ioctl$NBD_SET_SOCK(r0, 0xab03, 0xffffffffffffffff) 22:53:08 executing program 0: r0 = syz_open_dev$ndb(&(0x7f0000000000)='/dev/nbd#\x00', 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = syz_open_dev$ndb(&(0x7f0000000140)='/dev/nbd#\x00', 0x0, 0x0) ioctl$NBD_CLEAR_SOCK(r2, 0xab04) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0xe7) ioctl$NBD_SET_SOCK(0xffffffffffffffff, 0xab03, 0xffffffffffffffff) [ 1965.924650] block nbd2: Receive control failed (result -32) [ 1965.925900] block nbd2: shutting down sockets 22:53:08 executing program 1: r0 = syz_open_dev$ndb(&(0x7f0000000000)='/dev/nbd#\x00', 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(0xffffffffffffffff, 0xab00, r1) r2 = syz_open_dev$ndb(&(0x7f0000000140)='/dev/nbd#\x00', 0x0, 0x0) ioctl$NBD_CLEAR_SOCK(r2, 0xab04) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0xe7) ioctl$NBD_SET_SOCK(r0, 0xab03, 0xffffffffffffffff) [ 1965.993508] block nbd0: shutting down sockets 22:53:09 executing program 4: r0 = syz_open_dev$ndb(&(0x7f0000000000)='/dev/nbd#\x00', 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) syz_open_dev$ndb(&(0x7f0000000140)='/dev/nbd#\x00', 0x0, 0x0) ioctl$NBD_CLEAR_SOCK(0xffffffffffffffff, 0xab04) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0xe7) ioctl$NBD_SET_SOCK(r0, 0xab03, 0xffffffffffffffff) 22:53:09 executing program 5: socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(0xffffffffffffffff, 0xab00, r0) ioctl$NBD_SET_FLAGS(0xffffffffffffffff, 0xab0a, 0x13e) r1 = syz_open_dev$ndb(&(0x7f0000000140)='/dev/nbd#\x00', 0x0, 0x0) ioctl$NBD_CLEAR_SOCK(r1, 0xab04) ioctl$NBD_SET_SOCK(0xffffffffffffffff, 0xab03, 0xffffffffffffffff) 22:53:09 executing program 0: r0 = syz_open_dev$ndb(&(0x7f0000000000)='/dev/nbd#\x00', 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = syz_open_dev$ndb(&(0x7f0000000140)='/dev/nbd#\x00', 0x0, 0x0) ioctl$NBD_CLEAR_SOCK(r2, 0xab04) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0xe7) ioctl$NBD_SET_SOCK(0xffffffffffffffff, 0xab03, 0xffffffffffffffff) 22:53:09 executing program 1: r0 = syz_open_dev$ndb(&(0x7f0000000000)='/dev/nbd#\x00', 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)) ioctl$NBD_SET_SOCK(r0, 0xab00, 0xffffffffffffffff) r1 = syz_open_dev$ndb(&(0x7f0000000140)='/dev/nbd#\x00', 0x0, 0x0) ioctl$NBD_CLEAR_SOCK(r1, 0xab04) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0xe7) ioctl$NBD_SET_SOCK(r0, 0xab03, 0xffffffffffffffff) 22:53:09 executing program 3: r0 = syz_open_dev$ndb(&(0x7f0000000000)='/dev/nbd#\x00', 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = syz_open_dev$ndb(0x0, 0x0, 0x0) ioctl$NBD_CLEAR_SOCK(r2, 0xab04) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0xe7) ioctl$NBD_SET_SOCK(r0, 0xab03, 0xffffffffffffffff) [ 1966.562269] block nbd3: Receive control failed (result -32) [ 1966.563589] block nbd3: shutting down sockets [ 1966.593959] block nbd4: Receive control failed (result -32) [ 1966.594254] block nbd4: shutting down sockets [ 1966.647850] block nbd0: shutting down sockets 22:53:09 executing program 0: r0 = syz_open_dev$ndb(&(0x7f0000000000)='/dev/nbd#\x00', 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = syz_open_dev$ndb(&(0x7f0000000140)='/dev/nbd#\x00', 0x0, 0x0) ioctl$NBD_CLEAR_SOCK(r2, 0xab04) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab03, 0xffffffffffffffff) 22:53:09 executing program 5: r0 = syz_open_dev$ndb(0x0, 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x13e) r2 = syz_open_dev$ndb(&(0x7f0000000140)='/dev/nbd#\x00', 0x0, 0x0) ioctl$NBD_CLEAR_SOCK(r2, 0xab04) ioctl$NBD_SET_SOCK(r0, 0xab03, 0xffffffffffffffff) [ 1966.754258] block nbd0: shutting down sockets 22:53:09 executing program 2: r0 = syz_open_dev$ndb(&(0x7f0000000000)='/dev/nbd#\x00', 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0xe7) ioctl$NBD_SET_SOCK(r0, 0xab03, 0xffffffffffffffff) 22:53:09 executing program 1: r0 = syz_open_dev$ndb(&(0x7f0000000000)='/dev/nbd#\x00', 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)) ioctl$NBD_SET_SOCK(r0, 0xab00, 0xffffffffffffffff) r1 = syz_open_dev$ndb(&(0x7f0000000140)='/dev/nbd#\x00', 0x0, 0x0) ioctl$NBD_CLEAR_SOCK(r1, 0xab04) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0xe7) ioctl$NBD_SET_SOCK(r0, 0xab03, 0xffffffffffffffff) 22:53:09 executing program 0: r0 = syz_open_dev$ndb(&(0x7f0000000000)='/dev/nbd#\x00', 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)) ioctl$NBD_SET_SOCK(r0, 0xab00, 0xffffffffffffffff) r1 = syz_open_dev$ndb(&(0x7f0000000140)='/dev/nbd#\x00', 0x0, 0x0) ioctl$NBD_CLEAR_SOCK(r1, 0xab04) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0xe7) ioctl$NBD_SET_SOCK(r0, 0xab03, 0xffffffffffffffff) 22:53:09 executing program 5: r0 = syz_open_dev$ndb(0x0, 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x13e) r2 = syz_open_dev$ndb(&(0x7f0000000140)='/dev/nbd#\x00', 0x0, 0x0) ioctl$NBD_CLEAR_SOCK(r2, 0xab04) ioctl$NBD_SET_SOCK(r0, 0xab03, 0xffffffffffffffff) [ 1966.814889] block nbd2: Receive control failed (result -32) [ 1966.821562] block nbd2: shutting down sockets 22:53:09 executing program 0: r0 = syz_open_dev$ndb(0x0, 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x13e) r2 = syz_open_dev$ndb(&(0x7f0000000140)='/dev/nbd#\x00', 0x0, 0x0) ioctl$NBD_CLEAR_SOCK(r2, 0xab04) ioctl$NBD_SET_SOCK(r0, 0xab03, 0xffffffffffffffff) [ 1967.480005] block nbd3: Receive control failed (result -32) [ 1967.486099] block nbd3: shutting down sockets 22:53:10 executing program 4: r0 = syz_open_dev$ndb(&(0x7f0000000000)='/dev/nbd#\x00', 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) syz_open_dev$ndb(&(0x7f0000000140)='/dev/nbd#\x00', 0x0, 0x0) ioctl$NBD_CLEAR_SOCK(0xffffffffffffffff, 0xab04) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0xe7) ioctl$NBD_SET_SOCK(r0, 0xab03, 0xffffffffffffffff) 22:53:10 executing program 5: r0 = syz_open_dev$ndb(0x0, 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x13e) r2 = syz_open_dev$ndb(&(0x7f0000000140)='/dev/nbd#\x00', 0x0, 0x0) ioctl$NBD_CLEAR_SOCK(r2, 0xab04) ioctl$NBD_SET_SOCK(r0, 0xab03, 0xffffffffffffffff) 22:53:10 executing program 0: r0 = syz_open_dev$ndb(&(0x7f0000000000)='/dev/nbd#\x00', 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = syz_open_dev$ndb(&(0x7f0000000140)='/dev/nbd#\x00', 0x0, 0x0) ioctl$NBD_CLEAR_SOCK(r2, 0xab04) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab03, 0xffffffffffffffff) 22:53:10 executing program 1: r0 = syz_open_dev$ndb(&(0x7f0000000000)='/dev/nbd#\x00', 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)) ioctl$NBD_SET_SOCK(r0, 0xab00, 0xffffffffffffffff) r1 = syz_open_dev$ndb(&(0x7f0000000140)='/dev/nbd#\x00', 0x0, 0x0) ioctl$NBD_CLEAR_SOCK(r1, 0xab04) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0xe7) ioctl$NBD_SET_SOCK(r0, 0xab03, 0xffffffffffffffff) 22:53:10 executing program 3: r0 = syz_open_dev$ndb(&(0x7f0000000000)='/dev/nbd#\x00', 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = syz_open_dev$ndb(0x0, 0x0, 0x0) ioctl$NBD_CLEAR_SOCK(r2, 0xab04) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0xe7) ioctl$NBD_SET_SOCK(r0, 0xab03, 0xffffffffffffffff) [ 1967.538364] block nbd4: Receive control failed (result -32) [ 1967.538671] block nbd4: shutting down sockets 22:53:10 executing program 1: r0 = syz_open_dev$ndb(&(0x7f0000000000)='/dev/nbd#\x00', 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = syz_open_dev$ndb(0x0, 0x0, 0x0) ioctl$NBD_CLEAR_SOCK(r2, 0xab04) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0xe7) ioctl$NBD_SET_SOCK(r0, 0xab03, 0xffffffffffffffff) [ 1967.602647] block nbd0: shutting down sockets 22:53:10 executing program 5: r0 = syz_open_dev$ndb(&(0x7f0000000000)='/dev/nbd#\x00', 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, 0xffffffffffffffff) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x13e) r1 = syz_open_dev$ndb(&(0x7f0000000140)='/dev/nbd#\x00', 0x0, 0x0) ioctl$NBD_CLEAR_SOCK(r1, 0xab04) ioctl$NBD_SET_SOCK(r0, 0xab03, 0xffffffffffffffff) 22:53:10 executing program 2: r0 = syz_open_dev$ndb(&(0x7f0000000000)='/dev/nbd#\x00', 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0xe7) ioctl$NBD_SET_SOCK(r0, 0xab03, 0xffffffffffffffff) 22:53:10 executing program 0: r0 = syz_open_dev$ndb(&(0x7f0000000000)='/dev/nbd#\x00', 0x0, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, 0xffffffffffffffff) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x13e) r1 = syz_open_dev$ndb(&(0x7f0000000140)='/dev/nbd#\x00', 0x0, 0x0) ioctl$NBD_CLEAR_SOCK(r1, 0xab04) ioctl$NBD_SET_SOCK(r0, 0xab03, 0xffffffffffffffff) 22:53:10 executing program 5: r0 = syz_open_dev$ndb(&(0x7f0000000000)='/dev/nbd#\x00', 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, 0xffffffffffffffff) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x13e) r1 = syz_open_dev$ndb(&(0x7f0000000140)='/dev/nbd#\x00', 0x0, 0x0) ioctl$NBD_CLEAR_SOCK(r1, 0xab04) ioctl$NBD_SET_SOCK(r0, 0xab03, 0xffffffffffffffff) [ 1967.724572] block nbd2: Receive control failed (result -32) [ 1967.730962] block nbd2: shutting down sockets 22:53:10 executing program 5: r0 = syz_open_dev$ndb(&(0x7f0000000000)='/dev/nbd#\x00', 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, 0xffffffffffffffff) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x13e) r1 = syz_open_dev$ndb(&(0x7f0000000140)='/dev/nbd#\x00', 0x0, 0x0) ioctl$NBD_CLEAR_SOCK(r1, 0xab04) ioctl$NBD_SET_SOCK(r0, 0xab03, 0xffffffffffffffff) 22:53:10 executing program 0: r0 = syz_open_dev$ndb(&(0x7f0000000000)='/dev/nbd#\x00', 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = syz_open_dev$ndb(0x0, 0x0, 0x0) ioctl$NBD_CLEAR_SOCK(r2, 0xab04) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0xe7) ioctl$NBD_SET_SOCK(r0, 0xab03, 0xffffffffffffffff) [ 1968.422218] block nbd3: Receive control failed (result -32) [ 1968.426935] block nbd3: shutting down sockets [ 1968.433357] block nbd4: Receive control failed (result -32) [ 1968.433702] block nbd4: shutting down sockets 22:53:11 executing program 4: r0 = syz_open_dev$ndb(&(0x7f0000000000)='/dev/nbd#\x00', 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = syz_open_dev$ndb(&(0x7f0000000140)='/dev/nbd#\x00', 0x0, 0x0) ioctl$NBD_CLEAR_SOCK(r2, 0xab04) ioctl$NBD_SET_FLAGS(0xffffffffffffffff, 0xab0a, 0xe7) ioctl$NBD_SET_SOCK(r0, 0xab03, 0xffffffffffffffff) 22:53:11 executing program 2: r0 = syz_open_dev$ndb(&(0x7f0000000000)='/dev/nbd#\x00', 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0xe7) ioctl$NBD_SET_SOCK(r0, 0xab03, 0xffffffffffffffff) 22:53:11 executing program 5: r0 = syz_open_dev$ndb(&(0x7f0000000000)='/dev/nbd#\x00', 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(0xffffffffffffffff, 0xab00, r1) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x13e) r2 = syz_open_dev$ndb(&(0x7f0000000140)='/dev/nbd#\x00', 0x0, 0x0) ioctl$NBD_CLEAR_SOCK(r2, 0xab04) ioctl$NBD_SET_SOCK(r0, 0xab03, 0xffffffffffffffff) 22:53:11 executing program 3: r0 = syz_open_dev$ndb(&(0x7f0000000000)='/dev/nbd#\x00', 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) syz_open_dev$ndb(&(0x7f0000000140)='/dev/nbd#\x00', 0x0, 0x0) ioctl$NBD_CLEAR_SOCK(0xffffffffffffffff, 0xab04) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0xe7) ioctl$NBD_SET_SOCK(r0, 0xab03, 0xffffffffffffffff) [ 1968.515598] block nbd1: Receive control failed (result -32) [ 1968.521871] block nbd1: shutting down sockets 22:53:11 executing program 2: r0 = syz_open_dev$ndb(&(0x7f0000000000)='/dev/nbd#\x00', 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0xe7) ioctl$NBD_SET_SOCK(r0, 0xab03, 0xffffffffffffffff) 22:53:11 executing program 1: r0 = syz_open_dev$ndb(&(0x7f0000000000)='/dev/nbd#\x00', 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = syz_open_dev$ndb(0x0, 0x0, 0x0) ioctl$NBD_CLEAR_SOCK(r2, 0xab04) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0xe7) ioctl$NBD_SET_SOCK(r0, 0xab03, 0xffffffffffffffff) [ 1968.562003] block nbd4: shutting down sockets 22:53:11 executing program 5: r0 = syz_open_dev$ndb(&(0x7f0000000000)='/dev/nbd#\x00', 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(0xffffffffffffffff, 0xab00, r1) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x13e) r2 = syz_open_dev$ndb(&(0x7f0000000140)='/dev/nbd#\x00', 0x0, 0x0) ioctl$NBD_CLEAR_SOCK(r2, 0xab04) ioctl$NBD_SET_SOCK(r0, 0xab03, 0xffffffffffffffff) 22:53:11 executing program 4: r0 = syz_open_dev$ndb(&(0x7f0000000000)='/dev/nbd#\x00', 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = syz_open_dev$ndb(&(0x7f0000000140)='/dev/nbd#\x00', 0x0, 0x0) ioctl$NBD_CLEAR_SOCK(r2, 0xab04) ioctl$NBD_SET_FLAGS(0xffffffffffffffff, 0xab0a, 0xe7) ioctl$NBD_SET_SOCK(r0, 0xab03, 0xffffffffffffffff) 22:53:11 executing program 2: r0 = syz_open_dev$ndb(&(0x7f0000000000)='/dev/nbd#\x00', 0x0, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, 0xffffffffffffffff) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0xe7) ioctl$NBD_SET_SOCK(r0, 0xab03, 0xffffffffffffffff) 22:53:11 executing program 5: r0 = syz_open_dev$ndb(&(0x7f0000000000)='/dev/nbd#\x00', 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(0xffffffffffffffff, 0xab00, r1) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x13e) r2 = syz_open_dev$ndb(&(0x7f0000000140)='/dev/nbd#\x00', 0x0, 0x0) ioctl$NBD_CLEAR_SOCK(r2, 0xab04) ioctl$NBD_SET_SOCK(r0, 0xab03, 0xffffffffffffffff) 22:53:11 executing program 2: r0 = syz_open_dev$ndb(&(0x7f0000000000)='/dev/nbd#\x00', 0x0, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, 0xffffffffffffffff) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0xe7) ioctl$NBD_SET_SOCK(r0, 0xab03, 0xffffffffffffffff) [ 1968.712706] block nbd0: Receive control failed (result -32) [ 1968.719110] block nbd0: shutting down sockets [ 1968.731729] block nbd4: shutting down sockets 22:53:11 executing program 0: r0 = syz_open_dev$ndb(&(0x7f0000000000)='/dev/nbd#\x00', 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(0xffffffffffffffff, 0xab00, r1) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x13e) r2 = syz_open_dev$ndb(&(0x7f0000000140)='/dev/nbd#\x00', 0x0, 0x0) ioctl$NBD_CLEAR_SOCK(r2, 0xab04) ioctl$NBD_SET_SOCK(r0, 0xab03, 0xffffffffffffffff) 22:53:11 executing program 4: r0 = syz_open_dev$ndb(&(0x7f0000000000)='/dev/nbd#\x00', 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = syz_open_dev$ndb(&(0x7f0000000140)='/dev/nbd#\x00', 0x0, 0x0) ioctl$NBD_CLEAR_SOCK(r2, 0xab04) ioctl$NBD_SET_FLAGS(0xffffffffffffffff, 0xab0a, 0xe7) ioctl$NBD_SET_SOCK(r0, 0xab03, 0xffffffffffffffff) 22:53:11 executing program 5: r0 = syz_open_dev$ndb(&(0x7f0000000000)='/dev/nbd#\x00', 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)) ioctl$NBD_SET_SOCK(r0, 0xab00, 0xffffffffffffffff) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x13e) r1 = syz_open_dev$ndb(&(0x7f0000000140)='/dev/nbd#\x00', 0x0, 0x0) ioctl$NBD_CLEAR_SOCK(r1, 0xab04) ioctl$NBD_SET_SOCK(r0, 0xab03, 0xffffffffffffffff) 22:53:11 executing program 2: r0 = syz_open_dev$ndb(&(0x7f0000000000)='/dev/nbd#\x00', 0x0, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, 0xffffffffffffffff) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0xe7) ioctl$NBD_SET_SOCK(r0, 0xab03, 0xffffffffffffffff) [ 1968.860207] block nbd4: shutting down sockets 22:53:11 executing program 3: r0 = syz_open_dev$ndb(&(0x7f0000000000)='/dev/nbd#\x00', 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) syz_open_dev$ndb(&(0x7f0000000140)='/dev/nbd#\x00', 0x0, 0x0) ioctl$NBD_CLEAR_SOCK(0xffffffffffffffff, 0xab04) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0xe7) ioctl$NBD_SET_SOCK(r0, 0xab03, 0xffffffffffffffff) 22:53:11 executing program 2: socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(0xffffffffffffffff, 0xab00, r0) ioctl$NBD_SET_FLAGS(0xffffffffffffffff, 0xab0a, 0xe7) ioctl$NBD_SET_SOCK(0xffffffffffffffff, 0xab03, 0xffffffffffffffff) [ 1969.343565] block nbd3: Receive control failed (result -32) [ 1969.343727] block nbd3: shutting down sockets 22:53:12 executing program 1: r0 = syz_open_dev$ndb(&(0x7f0000000000)='/dev/nbd#\x00', 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = syz_open_dev$ndb(0x0, 0x0, 0x0) ioctl$NBD_CLEAR_SOCK(r2, 0xab04) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0xe7) ioctl$NBD_SET_SOCK(r0, 0xab03, 0xffffffffffffffff) 22:53:12 executing program 0: r0 = syz_open_dev$ndb(&(0x7f0000000000)='/dev/nbd#\x00', 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0xe7) ioctl$NBD_SET_SOCK(r0, 0xab03, 0xffffffffffffffff) 22:53:12 executing program 4: r0 = syz_open_dev$ndb(&(0x7f0000000000)='/dev/nbd#\x00', 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = syz_open_dev$ndb(&(0x7f0000000140)='/dev/nbd#\x00', 0x0, 0x0) ioctl$NBD_CLEAR_SOCK(r2, 0xab04) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab03, 0xffffffffffffffff) 22:53:12 executing program 5: r0 = syz_open_dev$ndb(&(0x7f0000000000)='/dev/nbd#\x00', 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)) ioctl$NBD_SET_SOCK(r0, 0xab00, 0xffffffffffffffff) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x13e) r1 = syz_open_dev$ndb(&(0x7f0000000140)='/dev/nbd#\x00', 0x0, 0x0) ioctl$NBD_CLEAR_SOCK(r1, 0xab04) ioctl$NBD_SET_SOCK(r0, 0xab03, 0xffffffffffffffff) 22:53:12 executing program 2: socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(0xffffffffffffffff, 0xab00, r0) ioctl$NBD_SET_FLAGS(0xffffffffffffffff, 0xab0a, 0xe7) ioctl$NBD_SET_SOCK(0xffffffffffffffff, 0xab03, 0xffffffffffffffff) [ 1969.485233] block nbd1: Receive control failed (result -32) [ 1969.491225] block nbd1: shutting down sockets [ 1969.561680] block nbd4: shutting down sockets 22:53:12 executing program 2: socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(0xffffffffffffffff, 0xab00, r0) ioctl$NBD_SET_FLAGS(0xffffffffffffffff, 0xab0a, 0xe7) ioctl$NBD_SET_SOCK(0xffffffffffffffff, 0xab03, 0xffffffffffffffff) 22:53:12 executing program 0: r0 = syz_open_dev$ndb(&(0x7f0000000000)='/dev/nbd#\x00', 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) syz_open_dev$ndb(&(0x7f0000000140)='/dev/nbd#\x00', 0x0, 0x0) ioctl$NBD_CLEAR_SOCK(0xffffffffffffffff, 0xab04) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0xe7) ioctl$NBD_SET_SOCK(r0, 0xab03, 0xffffffffffffffff) 22:53:12 executing program 5: r0 = syz_open_dev$ndb(&(0x7f0000000000)='/dev/nbd#\x00', 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)) ioctl$NBD_SET_SOCK(r0, 0xab00, 0xffffffffffffffff) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x13e) r1 = syz_open_dev$ndb(&(0x7f0000000140)='/dev/nbd#\x00', 0x0, 0x0) ioctl$NBD_CLEAR_SOCK(r1, 0xab04) ioctl$NBD_SET_SOCK(r0, 0xab03, 0xffffffffffffffff) 22:53:12 executing program 4: r0 = syz_open_dev$ndb(&(0x7f0000000000)='/dev/nbd#\x00', 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = syz_open_dev$ndb(&(0x7f0000000140)='/dev/nbd#\x00', 0x0, 0x0) ioctl$NBD_CLEAR_SOCK(r2, 0xab04) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab03, 0xffffffffffffffff) 22:53:12 executing program 2: r0 = syz_open_dev$ndb(0x0, 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0xe7) ioctl$NBD_SET_SOCK(r0, 0xab03, 0xffffffffffffffff) [ 1969.709493] block nbd4: shutting down sockets 22:53:12 executing program 3: r0 = syz_open_dev$ndb(&(0x7f0000000000)='/dev/nbd#\x00', 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) syz_open_dev$ndb(&(0x7f0000000140)='/dev/nbd#\x00', 0x0, 0x0) ioctl$NBD_CLEAR_SOCK(0xffffffffffffffff, 0xab04) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0xe7) ioctl$NBD_SET_SOCK(r0, 0xab03, 0xffffffffffffffff) 22:53:12 executing program 2: r0 = syz_open_dev$ndb(0x0, 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0xe7) ioctl$NBD_SET_SOCK(r0, 0xab03, 0xffffffffffffffff) [ 1970.218603] block nbd3: Receive control failed (result -32) [ 1970.218951] block nbd3: shutting down sockets 22:53:12 executing program 1: r0 = syz_open_dev$ndb(&(0x7f0000000000)='/dev/nbd#\x00', 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) syz_open_dev$ndb(&(0x7f0000000140)='/dev/nbd#\x00', 0x0, 0x0) ioctl$NBD_CLEAR_SOCK(0xffffffffffffffff, 0xab04) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0xe7) ioctl$NBD_SET_SOCK(r0, 0xab03, 0xffffffffffffffff) 22:53:12 executing program 5: r0 = syz_open_dev$ndb(&(0x7f0000000000)='/dev/nbd#\x00', 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) ioctl$NBD_SET_FLAGS(0xffffffffffffffff, 0xab0a, 0x13e) r2 = syz_open_dev$ndb(&(0x7f0000000140)='/dev/nbd#\x00', 0x0, 0x0) ioctl$NBD_CLEAR_SOCK(r2, 0xab04) ioctl$NBD_SET_SOCK(r0, 0xab03, 0xffffffffffffffff) 22:53:12 executing program 4: r0 = syz_open_dev$ndb(&(0x7f0000000000)='/dev/nbd#\x00', 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = syz_open_dev$ndb(&(0x7f0000000140)='/dev/nbd#\x00', 0x0, 0x0) ioctl$NBD_CLEAR_SOCK(r2, 0xab04) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab03, 0xffffffffffffffff) 22:53:12 executing program 2: r0 = syz_open_dev$ndb(0x0, 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0xe7) ioctl$NBD_SET_SOCK(r0, 0xab03, 0xffffffffffffffff) [ 1970.397906] block nbd1: Receive control failed (result -32) [ 1970.398187] block nbd1: shutting down sockets 22:53:13 executing program 2: r0 = syz_open_dev$ndb(&(0x7f0000000000)='/dev/nbd#\x00', 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, 0xffffffffffffffff) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0xe7) ioctl$NBD_SET_SOCK(r0, 0xab03, 0xffffffffffffffff) [ 1970.453265] block nbd5: shutting down sockets [ 1970.472257] block nbd4: shutting down sockets [ 1970.510086] block nbd0: Receive control failed (result -32) [ 1970.517192] block nbd0: shutting down sockets 22:53:13 executing program 2: r0 = syz_open_dev$ndb(&(0x7f0000000000)='/dev/nbd#\x00', 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, 0xffffffffffffffff) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0xe7) ioctl$NBD_SET_SOCK(r0, 0xab03, 0xffffffffffffffff) 22:53:13 executing program 0: r0 = syz_open_dev$ndb(&(0x7f0000000000)='/dev/nbd#\x00', 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = syz_open_dev$ndb(&(0x7f0000000140)='/dev/nbd#\x00', 0x0, 0x0) ioctl$NBD_CLEAR_SOCK(r2, 0xab04) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab03, 0xffffffffffffffff) 22:53:13 executing program 5: r0 = syz_open_dev$ndb(&(0x7f0000000000)='/dev/nbd#\x00', 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) ioctl$NBD_SET_FLAGS(0xffffffffffffffff, 0xab0a, 0x13e) r2 = syz_open_dev$ndb(&(0x7f0000000140)='/dev/nbd#\x00', 0x0, 0x0) ioctl$NBD_CLEAR_SOCK(r2, 0xab04) ioctl$NBD_SET_SOCK(r0, 0xab03, 0xffffffffffffffff) 22:53:13 executing program 4: r0 = syz_open_dev$ndb(&(0x7f0000000000)='/dev/nbd#\x00', 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = syz_open_dev$ndb(&(0x7f0000000140)='/dev/nbd#\x00', 0x0, 0x0) ioctl$NBD_CLEAR_SOCK(r2, 0xab04) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0xe7) ioctl$NBD_SET_SOCK(0xffffffffffffffff, 0xab03, 0xffffffffffffffff) [ 1970.650299] block nbd5: shutting down sockets [ 1970.660189] block nbd4: shutting down sockets 22:53:13 executing program 4: r0 = syz_open_dev$ndb(&(0x7f0000000000)='/dev/nbd#\x00', 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = syz_open_dev$ndb(&(0x7f0000000140)='/dev/nbd#\x00', 0x0, 0x0) ioctl$NBD_CLEAR_SOCK(r2, 0xab04) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0xe7) ioctl$NBD_SET_SOCK(0xffffffffffffffff, 0xab03, 0xffffffffffffffff) [ 1970.692993] block nbd0: shutting down sockets [ 1970.766671] block nbd4: shutting down sockets 22:53:13 executing program 3: r0 = syz_open_dev$ndb(&(0x7f0000000000)='/dev/nbd#\x00', 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = syz_open_dev$ndb(&(0x7f0000000140)='/dev/nbd#\x00', 0x0, 0x0) ioctl$NBD_CLEAR_SOCK(r2, 0xab04) ioctl$NBD_SET_FLAGS(0xffffffffffffffff, 0xab0a, 0xe7) ioctl$NBD_SET_SOCK(r0, 0xab03, 0xffffffffffffffff) 22:53:13 executing program 2: r0 = syz_open_dev$ndb(&(0x7f0000000000)='/dev/nbd#\x00', 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, 0xffffffffffffffff) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0xe7) ioctl$NBD_SET_SOCK(r0, 0xab03, 0xffffffffffffffff) [ 1971.116110] block nbd3: Receive control failed (result -32) [ 1971.117294] block nbd3: shutting down sockets [ 1971.183027] block nbd3: shutting down sockets 22:53:13 executing program 1: r0 = syz_open_dev$ndb(&(0x7f0000000000)='/dev/nbd#\x00', 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) syz_open_dev$ndb(&(0x7f0000000140)='/dev/nbd#\x00', 0x0, 0x0) ioctl$NBD_CLEAR_SOCK(0xffffffffffffffff, 0xab04) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0xe7) ioctl$NBD_SET_SOCK(r0, 0xab03, 0xffffffffffffffff) 22:53:13 executing program 5: r0 = syz_open_dev$ndb(&(0x7f0000000000)='/dev/nbd#\x00', 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) ioctl$NBD_SET_FLAGS(0xffffffffffffffff, 0xab0a, 0x13e) r2 = syz_open_dev$ndb(&(0x7f0000000140)='/dev/nbd#\x00', 0x0, 0x0) ioctl$NBD_CLEAR_SOCK(r2, 0xab04) ioctl$NBD_SET_SOCK(r0, 0xab03, 0xffffffffffffffff) 22:53:13 executing program 0: r0 = syz_open_dev$ndb(&(0x7f0000000000)='/dev/nbd#\x00', 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = syz_open_dev$ndb(&(0x7f0000000140)='/dev/nbd#\x00', 0x0, 0x0) ioctl$NBD_CLEAR_SOCK(r2, 0xab04) ioctl$NBD_SET_FLAGS(0xffffffffffffffff, 0xab0a, 0xe7) ioctl$NBD_SET_SOCK(r0, 0xab03, 0xffffffffffffffff) 22:53:13 executing program 4: r0 = syz_open_dev$ndb(&(0x7f0000000000)='/dev/nbd#\x00', 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = syz_open_dev$ndb(&(0x7f0000000140)='/dev/nbd#\x00', 0x0, 0x0) ioctl$NBD_CLEAR_SOCK(r2, 0xab04) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0xe7) ioctl$NBD_SET_SOCK(0xffffffffffffffff, 0xab03, 0xffffffffffffffff) 22:53:13 executing program 2: r0 = syz_open_dev$ndb(&(0x7f0000000000)='/dev/nbd#\x00', 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(0xffffffffffffffff, 0xab00, r1) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0xe7) ioctl$NBD_SET_SOCK(r0, 0xab03, 0xffffffffffffffff) 22:53:13 executing program 3: r0 = syz_open_dev$ndb(&(0x7f0000000000)='/dev/nbd#\x00', 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = syz_open_dev$ndb(&(0x7f0000000140)='/dev/nbd#\x00', 0x0, 0x0) ioctl$NBD_CLEAR_SOCK(r2, 0xab04) ioctl$NBD_SET_FLAGS(0xffffffffffffffff, 0xab0a, 0xe7) ioctl$NBD_SET_SOCK(r0, 0xab03, 0xffffffffffffffff) [ 1971.304698] block nbd1: Receive control failed (result -32) [ 1971.305032] block nbd1: shutting down sockets [ 1971.364672] block nbd5: shutting down sockets [ 1971.388022] block nbd4: shutting down sockets 22:53:13 executing program 2: r0 = syz_open_dev$ndb(&(0x7f0000000000)='/dev/nbd#\x00', 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(0xffffffffffffffff, 0xab00, r1) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0xe7) ioctl$NBD_SET_SOCK(r0, 0xab03, 0xffffffffffffffff) 22:53:13 executing program 5: r0 = syz_open_dev$ndb(&(0x7f0000000000)='/dev/nbd#\x00', 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x0) r2 = syz_open_dev$ndb(&(0x7f0000000140)='/dev/nbd#\x00', 0x0, 0x0) ioctl$NBD_CLEAR_SOCK(r2, 0xab04) ioctl$NBD_SET_SOCK(r0, 0xab03, 0xffffffffffffffff) [ 1971.411959] block nbd0: shutting down sockets [ 1971.417533] block nbd3: shutting down sockets 22:53:14 executing program 4: r0 = syz_open_dev$ndb(&(0x7f0000000000)='/dev/nbd#\x00', 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x13e) r2 = syz_open_dev$ndb(&(0x7f0000000140)='/dev/nbd#\x00', 0x0, 0x0) ioctl$NBD_CLEAR_SOCK(r2, 0xab04) ioctl$NBD_SET_SOCK(r0, 0xab03, 0xffffffffffffffff) 22:53:14 executing program 3: r0 = syz_open_dev$ndb(&(0x7f0000000000)='/dev/nbd#\x00', 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = syz_open_dev$ndb(&(0x7f0000000140)='/dev/nbd#\x00', 0x0, 0x0) ioctl$NBD_CLEAR_SOCK(r2, 0xab04) ioctl$NBD_SET_FLAGS(0xffffffffffffffff, 0xab0a, 0xe7) ioctl$NBD_SET_SOCK(r0, 0xab03, 0xffffffffffffffff) 22:53:14 executing program 2: r0 = syz_open_dev$ndb(&(0x7f0000000000)='/dev/nbd#\x00', 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(0xffffffffffffffff, 0xab00, r1) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0xe7) ioctl$NBD_SET_SOCK(r0, 0xab03, 0xffffffffffffffff) 22:53:14 executing program 0: r0 = syz_open_dev$ndb(&(0x7f0000000000)='/dev/nbd#\x00', 0x0, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, 0xffffffffffffffff) r1 = syz_open_dev$ndb(&(0x7f0000000140)='/dev/nbd#\x00', 0x0, 0x0) ioctl$NBD_CLEAR_SOCK(r1, 0xab04) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0xe7) ioctl$NBD_SET_SOCK(r0, 0xab03, 0xffffffffffffffff) [ 1971.576549] block nbd5: shutting down sockets [ 1971.589897] block nbd3: shutting down sockets [ 1971.618607] block nbd4: shutting down sockets 22:53:14 executing program 5: r0 = syz_open_dev$ndb(&(0x7f0000000000)='/dev/nbd#\x00', 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x0) r2 = syz_open_dev$ndb(&(0x7f0000000140)='/dev/nbd#\x00', 0x0, 0x0) ioctl$NBD_CLEAR_SOCK(r2, 0xab04) ioctl$NBD_SET_SOCK(r0, 0xab03, 0xffffffffffffffff) 22:53:14 executing program 2: r0 = syz_open_dev$ndb(&(0x7f0000000000)='/dev/nbd#\x00', 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)) ioctl$NBD_SET_SOCK(r0, 0xab00, 0xffffffffffffffff) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0xe7) ioctl$NBD_SET_SOCK(r0, 0xab03, 0xffffffffffffffff) 22:53:14 executing program 3: r0 = syz_open_dev$ndb(&(0x7f0000000000)='/dev/nbd#\x00', 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = syz_open_dev$ndb(&(0x7f0000000140)='/dev/nbd#\x00', 0x0, 0x0) ioctl$NBD_CLEAR_SOCK(r2, 0xab04) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab03, 0xffffffffffffffff) 22:53:14 executing program 1: r0 = syz_open_dev$ndb(&(0x7f0000000000)='/dev/nbd#\x00', 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) syz_open_dev$ndb(&(0x7f0000000140)='/dev/nbd#\x00', 0x0, 0x0) ioctl$NBD_CLEAR_SOCK(0xffffffffffffffff, 0xab04) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0xe7) ioctl$NBD_SET_SOCK(r0, 0xab03, 0xffffffffffffffff) 22:53:14 executing program 0: r0 = syz_open_dev$ndb(0x0, 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = syz_open_dev$ndb(&(0x7f0000000140)='/dev/nbd#\x00', 0x0, 0x0) ioctl$NBD_CLEAR_SOCK(r2, 0xab04) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0xe7) ioctl$NBD_SET_SOCK(r0, 0xab03, 0xffffffffffffffff) 22:53:14 executing program 4: r0 = syz_open_dev$ndb(&(0x7f0000000000)='/dev/nbd#\x00', 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x13e) r2 = syz_open_dev$ndb(&(0x7f0000000140)='/dev/nbd#\x00', 0x0, 0x0) ioctl$NBD_CLEAR_SOCK(r2, 0xab04) ioctl$NBD_SET_SOCK(r0, 0xab03, 0xffffffffffffffff) [ 1972.216373] block nbd1: Receive control failed (result -32) [ 1972.218013] block nbd1: shutting down sockets 22:53:14 executing program 0: r0 = syz_open_dev$ndb(&(0x7f0000000000)='/dev/nbd#\x00', 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)) r1 = syz_open_dev$ndb(&(0x7f0000000140)='/dev/nbd#\x00', 0x0, 0x0) ioctl$NBD_CLEAR_SOCK(r1, 0xab04) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0xe7) ioctl$NBD_SET_SOCK(r0, 0xab03, 0xffffffffffffffff) [ 1972.290599] block nbd5: shutting down sockets [ 1972.304208] block nbd3: shutting down sockets [ 1972.309068] block nbd4: shutting down sockets 22:53:14 executing program 2: r0 = syz_open_dev$ndb(&(0x7f0000000000)='/dev/nbd#\x00', 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)) ioctl$NBD_SET_SOCK(r0, 0xab00, 0xffffffffffffffff) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0xe7) ioctl$NBD_SET_SOCK(r0, 0xab03, 0xffffffffffffffff) 22:53:14 executing program 4: r0 = syz_open_dev$ndb(&(0x7f0000000000)='/dev/nbd#\x00', 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x13e) r2 = syz_open_dev$ndb(&(0x7f0000000140)='/dev/nbd#\x00', 0x0, 0x0) ioctl$NBD_CLEAR_SOCK(r2, 0xab04) ioctl$NBD_SET_SOCK(r0, 0xab03, 0xffffffffffffffff) 22:53:14 executing program 3: r0 = syz_open_dev$ndb(&(0x7f0000000000)='/dev/nbd#\x00', 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = syz_open_dev$ndb(&(0x7f0000000140)='/dev/nbd#\x00', 0x0, 0x0) ioctl$NBD_CLEAR_SOCK(r2, 0xab04) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab03, 0xffffffffffffffff) 22:53:14 executing program 5: r0 = syz_open_dev$ndb(&(0x7f0000000000)='/dev/nbd#\x00', 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x0) r2 = syz_open_dev$ndb(&(0x7f0000000140)='/dev/nbd#\x00', 0x0, 0x0) ioctl$NBD_CLEAR_SOCK(r2, 0xab04) ioctl$NBD_SET_SOCK(r0, 0xab03, 0xffffffffffffffff) 22:53:15 executing program 0: r0 = syz_open_dev$ndb(&(0x7f0000000000)='/dev/nbd#\x00', 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = syz_open_dev$ndb(&(0x7f0000000140)='/dev/nbd#\x00', 0x0, 0x0) ioctl$NBD_CLEAR_SOCK(r2, 0xab04) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab03, 0xffffffffffffffff) [ 1972.448763] block nbd4: shutting down sockets 22:53:15 executing program 2: r0 = syz_open_dev$ndb(&(0x7f0000000000)='/dev/nbd#\x00', 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)) ioctl$NBD_SET_SOCK(r0, 0xab00, 0xffffffffffffffff) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0xe7) ioctl$NBD_SET_SOCK(r0, 0xab03, 0xffffffffffffffff) [ 1972.475658] block nbd3: shutting down sockets [ 1972.480076] block nbd5: shutting down sockets 22:53:15 executing program 3: r0 = syz_open_dev$ndb(&(0x7f0000000000)='/dev/nbd#\x00', 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = syz_open_dev$ndb(&(0x7f0000000140)='/dev/nbd#\x00', 0x0, 0x0) ioctl$NBD_CLEAR_SOCK(r2, 0xab04) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab03, 0xffffffffffffffff) 22:53:15 executing program 4: r0 = syz_open_dev$ndb(&(0x7f0000000000)='/dev/nbd#\x00', 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x13e) syz_open_dev$ndb(&(0x7f0000000140)='/dev/nbd#\x00', 0x0, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab03, 0xffffffffffffffff) [ 1972.573255] block nbd0: shutting down sockets [ 1972.600822] block nbd3: shutting down sockets 22:53:15 executing program 1: r0 = syz_open_dev$ndb(&(0x7f0000000000)='/dev/nbd#\x00', 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = syz_open_dev$ndb(&(0x7f0000000140)='/dev/nbd#\x00', 0x0, 0x0) ioctl$NBD_CLEAR_SOCK(r2, 0xab04) ioctl$NBD_SET_FLAGS(0xffffffffffffffff, 0xab0a, 0xe7) ioctl$NBD_SET_SOCK(r0, 0xab03, 0xffffffffffffffff) 22:53:15 executing program 5: r0 = syz_open_dev$ndb(&(0x7f0000000000)='/dev/nbd#\x00', 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x13e) r2 = syz_open_dev$ndb(0x0, 0x0, 0x0) ioctl$NBD_CLEAR_SOCK(r2, 0xab04) ioctl$NBD_SET_SOCK(r0, 0xab03, 0xffffffffffffffff) 22:53:15 executing program 2: r0 = syz_open_dev$ndb(&(0x7f0000000000)='/dev/nbd#\x00', 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) ioctl$NBD_SET_FLAGS(0xffffffffffffffff, 0xab0a, 0xe7) ioctl$NBD_SET_SOCK(r0, 0xab03, 0xffffffffffffffff) 22:53:15 executing program 0: r0 = syz_open_dev$ndb(&(0x7f0000000000)='/dev/nbd#\x00', 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = syz_open_dev$ndb(&(0x7f0000000140)='/dev/nbd#\x00', 0x0, 0x0) ioctl$NBD_CLEAR_SOCK(r2, 0xab04) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab03, 0xffffffffffffffff) 22:53:15 executing program 3: r0 = syz_open_dev$ndb(&(0x7f0000000000)='/dev/nbd#\x00', 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = syz_open_dev$ndb(&(0x7f0000000140)='/dev/nbd#\x00', 0x0, 0x0) ioctl$NBD_CLEAR_SOCK(r2, 0xab04) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0xe7) ioctl$NBD_SET_SOCK(0xffffffffffffffff, 0xab03, 0xffffffffffffffff) [ 1973.130369] block nbd1: Receive control failed (result -32) [ 1973.130580] block nbd1: shutting down sockets [ 1973.202975] block nbd1: shutting down sockets [ 1973.205286] block nbd0: shutting down sockets [ 1973.214054] block nbd3: shutting down sockets 22:53:15 executing program 3: r0 = syz_open_dev$ndb(&(0x7f0000000000)='/dev/nbd#\x00', 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = syz_open_dev$ndb(&(0x7f0000000140)='/dev/nbd#\x00', 0x0, 0x0) ioctl$NBD_CLEAR_SOCK(r2, 0xab04) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0xe7) ioctl$NBD_SET_SOCK(0xffffffffffffffff, 0xab03, 0xffffffffffffffff) 22:53:15 executing program 0: r0 = syz_open_dev$ndb(&(0x7f0000000000)='/dev/nbd#\x00', 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = syz_open_dev$ndb(&(0x7f0000000140)='/dev/nbd#\x00', 0x0, 0x0) ioctl$NBD_CLEAR_SOCK(r2, 0xab04) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab03, 0xffffffffffffffff) 22:53:15 executing program 1: r0 = syz_open_dev$ndb(&(0x7f0000000000)='/dev/nbd#\x00', 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = syz_open_dev$ndb(&(0x7f0000000140)='/dev/nbd#\x00', 0x0, 0x0) ioctl$NBD_CLEAR_SOCK(r2, 0xab04) ioctl$NBD_SET_FLAGS(0xffffffffffffffff, 0xab0a, 0xe7) ioctl$NBD_SET_SOCK(r0, 0xab03, 0xffffffffffffffff) 22:53:15 executing program 3: r0 = syz_open_dev$ndb(&(0x7f0000000000)='/dev/nbd#\x00', 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = syz_open_dev$ndb(&(0x7f0000000140)='/dev/nbd#\x00', 0x0, 0x0) ioctl$NBD_CLEAR_SOCK(r2, 0xab04) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0xe7) ioctl$NBD_SET_SOCK(0xffffffffffffffff, 0xab03, 0xffffffffffffffff) [ 1973.343154] block nbd0: shutting down sockets [ 1973.346316] block nbd3: shutting down sockets [ 1973.365820] block nbd1: shutting down sockets 22:53:15 executing program 0: r0 = syz_open_dev$ndb(&(0x7f0000000000)='/dev/nbd#\x00', 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = syz_open_dev$ndb(&(0x7f0000000140)='/dev/nbd#\x00', 0x0, 0x0) ioctl$NBD_CLEAR_SOCK(r2, 0xab04) ioctl$NBD_SET_FLAGS(0xffffffffffffffff, 0xab0a, 0xe7) ioctl$NBD_SET_SOCK(r0, 0xab03, 0xffffffffffffffff) 22:53:15 executing program 1: r0 = syz_open_dev$ndb(&(0x7f0000000000)='/dev/nbd#\x00', 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = syz_open_dev$ndb(&(0x7f0000000140)='/dev/nbd#\x00', 0x0, 0x0) ioctl$NBD_CLEAR_SOCK(r2, 0xab04) ioctl$NBD_SET_FLAGS(0xffffffffffffffff, 0xab0a, 0xe7) ioctl$NBD_SET_SOCK(r0, 0xab03, 0xffffffffffffffff) 22:53:16 executing program 4: r0 = syz_open_dev$ndb(&(0x7f0000000000)='/dev/nbd#\x00', 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x13e) syz_open_dev$ndb(&(0x7f0000000140)='/dev/nbd#\x00', 0x0, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab03, 0xffffffffffffffff) [ 1973.450484] block nbd4: Receive control failed (result -32) [ 1973.463097] block nbd4: shutting down sockets [ 1973.476116] block nbd3: shutting down sockets [ 1973.489095] block nbd0: shutting down sockets 22:53:16 executing program 3: r0 = syz_open_dev$ndb(&(0x7f0000000000)='/dev/nbd#\x00', 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)) ioctl$NBD_SET_SOCK(r0, 0xab00, 0xffffffffffffffff) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0xe7) ioctl$NBD_SET_SOCK(r0, 0xab03, 0xffffffffffffffff) [ 1973.529409] block nbd1: shutting down sockets 22:53:16 executing program 5: r0 = syz_open_dev$ndb(&(0x7f0000000000)='/dev/nbd#\x00', 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x13e) r2 = syz_open_dev$ndb(0x0, 0x0, 0x0) ioctl$NBD_CLEAR_SOCK(r2, 0xab04) ioctl$NBD_SET_SOCK(r0, 0xab03, 0xffffffffffffffff) 22:53:16 executing program 2: r0 = syz_open_dev$ndb(&(0x7f0000000000)='/dev/nbd#\x00', 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) ioctl$NBD_SET_FLAGS(0xffffffffffffffff, 0xab0a, 0xe7) ioctl$NBD_SET_SOCK(r0, 0xab03, 0xffffffffffffffff) 22:53:16 executing program 0: r0 = syz_open_dev$ndb(&(0x7f0000000000)='/dev/nbd#\x00', 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(0xffffffffffffffff, 0xab00, r1) r2 = syz_open_dev$ndb(&(0x7f0000000140)='/dev/nbd#\x00', 0x0, 0x0) ioctl$NBD_CLEAR_SOCK(r2, 0xab04) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0xe7) ioctl$NBD_SET_SOCK(r0, 0xab03, 0xffffffffffffffff) 22:53:16 executing program 1: r0 = syz_open_dev$ndb(&(0x7f0000000000)='/dev/nbd#\x00', 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = syz_open_dev$ndb(&(0x7f0000000140)='/dev/nbd#\x00', 0x0, 0x0) ioctl$NBD_CLEAR_SOCK(r2, 0xab04) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab03, 0xffffffffffffffff) 22:53:16 executing program 3: socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(0xffffffffffffffff, 0xab00, r0) r1 = syz_open_dev$ndb(&(0x7f0000000140)='/dev/nbd#\x00', 0x0, 0x210042) ioctl$NBD_CLEAR_SOCK(r1, 0xab04) ioctl$NBD_SET_FLAGS(r1, 0xab0a, 0x1) ioctl$NBD_SET_SOCK(0xffffffffffffffff, 0xab03, 0xffffffffffffffff) [ 1974.018790] block nbd5: Receive control failed (result -32) [ 1974.022393] block nbd2: Receive control failed (result -32) [ 1974.024864] block nbd5: shutting down sockets [ 1974.043994] block nbd2: shutting down sockets 22:53:16 executing program 0: r0 = syz_open_dev$ndb(&(0x7f0000000000)='/dev/nbd#\x00', 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = syz_open_dev$ndb(0x0, 0x0, 0x0) ioctl$NBD_CLEAR_SOCK(r2, 0xab04) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0xe7) ioctl$NBD_SET_SOCK(r0, 0xab03, 0xffffffffffffffff) 22:53:16 executing program 3: r0 = syz_open_dev$ndb(&(0x7f0000000000)='/dev/nbd#\x00', 0x0, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, 0xffffffffffffffff) r1 = syz_open_dev$ndb(&(0x7f0000000140)='/dev/nbd#\x00', 0x0, 0x0) ioctl$NBD_CLEAR_SOCK(r1, 0xab04) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0xe7) ioctl$NBD_SET_SOCK(r0, 0xab03, 0xffffffffffffffff) [ 1974.133558] block nbd1: shutting down sockets 22:53:16 executing program 1: r0 = syz_open_dev$ndb(&(0x7f0000000000)='/dev/nbd#\x00', 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = syz_open_dev$ndb(&(0x7f0000000140)='/dev/nbd#\x00', 0x0, 0x0) ioctl$NBD_CLEAR_SOCK(r2, 0xab04) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab03, 0xffffffffffffffff) 22:53:16 executing program 3: r0 = syz_open_dev$ndb(&(0x7f0000000000)='/dev/nbd#\x00', 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)) ioctl$NBD_SET_SOCK(r0, 0xab00, 0xffffffffffffffff) r1 = syz_open_dev$ndb(&(0x7f0000000140)='/dev/nbd#\x00', 0x0, 0x0) ioctl$NBD_CLEAR_SOCK(r1, 0xab04) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0xe7) ioctl$NBD_SET_SOCK(r0, 0xab03, 0xffffffffffffffff) [ 1974.275269] block nbd1: shutting down sockets 22:53:16 executing program 1: r0 = syz_open_dev$ndb(&(0x7f0000000000)='/dev/nbd#\x00', 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = syz_open_dev$ndb(&(0x7f0000000140)='/dev/nbd#\x00', 0x0, 0x0) ioctl$NBD_CLEAR_SOCK(r2, 0xab04) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab03, 0xffffffffffffffff) [ 1974.371926] block nbd1: shutting down sockets 22:53:16 executing program 4: r0 = syz_open_dev$ndb(&(0x7f0000000000)='/dev/nbd#\x00', 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x13e) syz_open_dev$ndb(&(0x7f0000000140)='/dev/nbd#\x00', 0x0, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab03, 0xffffffffffffffff) 22:53:16 executing program 3: r0 = syz_open_dev$ndb(&(0x7f0000000000)='/dev/nbd#\x00', 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = syz_open_dev$ndb(&(0x7f0000000140)='/dev/nbd#\x00', 0x0, 0x0) ioctl$NBD_CLEAR_SOCK(r2, 0xab04) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab03, 0xffffffffffffffff) [ 1974.397489] block nbd4: Receive control failed (result -32) [ 1974.404632] block nbd4: shutting down sockets [ 1974.475069] block nbd3: shutting down sockets 22:53:17 executing program 5: r0 = syz_open_dev$ndb(&(0x7f0000000000)='/dev/nbd#\x00', 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x13e) r2 = syz_open_dev$ndb(0x0, 0x0, 0x0) ioctl$NBD_CLEAR_SOCK(r2, 0xab04) ioctl$NBD_SET_SOCK(r0, 0xab03, 0xffffffffffffffff) 22:53:17 executing program 1: r0 = syz_open_dev$ndb(&(0x7f0000000000)='/dev/nbd#\x00', 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = syz_open_dev$ndb(&(0x7f0000000140)='/dev/nbd#\x00', 0x0, 0x0) ioctl$NBD_CLEAR_SOCK(r2, 0xab04) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0xe7) ioctl$NBD_SET_SOCK(0xffffffffffffffff, 0xab03, 0xffffffffffffffff) 22:53:17 executing program 3: r0 = syz_open_dev$ndb(&(0x7f0000000000)='/dev/nbd#\x00', 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = syz_open_dev$ndb(&(0x7f0000000140)='/dev/nbd#\x00', 0x0, 0x0) ioctl$NBD_CLEAR_SOCK(r2, 0xab04) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab03, 0xffffffffffffffff) 22:53:17 executing program 2: r0 = syz_open_dev$ndb(&(0x7f0000000000)='/dev/nbd#\x00', 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) ioctl$NBD_SET_FLAGS(0xffffffffffffffff, 0xab0a, 0xe7) ioctl$NBD_SET_SOCK(r0, 0xab03, 0xffffffffffffffff) [ 1974.942963] block nbd2: Receive control failed (result -32) [ 1974.943291] block nbd2: shutting down sockets [ 1974.954071] block nbd5: Receive control failed (result -32) [ 1974.960327] block nbd5: shutting down sockets 22:53:17 executing program 1: r0 = syz_open_dev$ndb(&(0x7f0000000000)='/dev/nbd#\x00', 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = syz_open_dev$ndb(&(0x7f0000000140)='/dev/nbd#\x00', 0x0, 0x0) ioctl$NBD_CLEAR_SOCK(r2, 0xab04) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0xe7) ioctl$NBD_SET_SOCK(0xffffffffffffffff, 0xab03, 0xffffffffffffffff) 22:53:17 executing program 0: r0 = syz_open_dev$ndb(&(0x7f0000000000)='/dev/nbd#\x00', 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) r2 = syz_open_dev$ndb(&(0x7f0000000240)='/dev/nbd#\x00', 0x0, 0x4a01) ioctl$NBD_SET_SOCK(r2, 0xab00, r1) openat$mixer(0xffffffffffffff9c, &(0x7f0000000100)='/dev/mixer\x00', 0x101480, 0x0) r3 = openat$dlm_control(0xffffffffffffff9c, &(0x7f0000000000)='/dev/dlm-control\x00', 0x0, 0x0) ioctl$SNDRV_PCM_IOCTL_XRUN(r3, 0x4148, 0x0) r4 = openat$dlm_control(0xffffffffffffff9c, &(0x7f0000000000)='/dev/dlm-control\x00', 0x0, 0x0) ioctl$SNDRV_PCM_IOCTL_XRUN(r4, 0x4148, 0x0) r5 = openat$dlm_control(0xffffffffffffff9c, &(0x7f00000002c0)='/dev/dlm-control\x00', 0x74f403, 0x0) ioctl$SNDRV_PCM_IOCTL_XRUN(r5, 0x4148, 0x0) r6 = openat$dlm_control(0xffffffffffffff9c, &(0x7f00000001c0)='/dev/dlm-control\x00', 0x149800, 0x0) connect$vsock_dgram(r6, &(0x7f0000000200)={0x28, 0x0, 0xfffffffe, @my=0x0}, 0x10) syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x220000) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f00000000c0)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r5, 0xab00, r7) r8 = syz_open_dev$ndb(&(0x7f0000000140)='/dev/nbd#\x00', 0x0, 0x0) ioctl$NBD_CLEAR_SOCK(r8, 0xab04) ioctl$NBD_SET_SOCK(r0, 0xab03, 0xffffffffffffffff) write$FUSE_NOTIFY_POLL(r3, &(0x7f0000000180)={0x18, 0x1, 0x0, {0x7}}, 0x18) [ 1975.031885] block nbd1: shutting down sockets [ 1975.035473] block nbd0: Receive control failed (result -32) [ 1975.042743] block nbd0: shutting down sockets [ 1975.065697] block nbd3: shutting down sockets 22:53:17 executing program 3: r0 = syz_open_dev$ndb(&(0x7f0000000000)='/dev/nbd#\x00', 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = syz_open_dev$ndb(&(0x7f0000000140)='/dev/nbd#\x00', 0x0, 0x0) ioctl$NBD_CLEAR_SOCK(r2, 0xab04) ioctl$NBD_SET_SOCK(r0, 0xab03, 0xffffffffffffffff) r3 = openat$sequencer(0xffffffffffffff9c, &(0x7f0000000140)='/dev/sequencer\x00', 0x2, 0x0) ioctl$NBD_SET_SIZE(0xffffffffffffffff, 0xab02, 0x6) ioctl$SNDCTL_SEQ_PANIC(r3, 0x5111) ioctl$SNDCTL_FM_4OP_ENABLE(r3, 0x4004510f, &(0x7f0000001700)=0x1) r4 = socket$nl_generic(0x10, 0x3, 0x10) getsockname$packet(0xffffffffffffffff, &(0x7f00000000c0)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @link_local}, &(0x7f0000000100)=0x14) sendmsg$ETHTOOL_MSG_PRIVFLAGS_SET(r4, &(0x7f00000016c0)={&(0x7f0000000080)={0x10, 0x0, 0x0, 0x2000}, 0xc, &(0x7f0000001680)={&(0x7f0000001740)=ANY=[@ANYBLOB='d$\x00\x00', @ANYRES16=0x0, 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@ANYRES32=0x0, @ANYBLOB="01b20003000000000000f862b4d5000000000000bcd8775938e3ca8f1d66bccae8019e7327e9e606c3918a78026bdcfb69c06dfd50fbe3ff0324e7a18de33fc2866776575fb96ac97b0933f2b1b485aa5058a2b31d64925ce886b79639f0741e438e833ee96b067930b7094f80b0d6d7936856ce9d02d126ac5056d8fd17c0c417ccedd1cd5b122164750dcb56f23e3c9d7a18e5e36010228f39a38b0603c3cf518f21a9ba2b02b818357e0889a22d0b49de", @ANYRES32=r5, @ANYBLOB="1400020073797a5f74756e000000000000000000"], 0x2464}, 0x1, 0x0, 0x0, 0x48000}, 0x4000000) ioctl$SNDCTL_TMR_TIMEBASE(r3, 0xc0045401, &(0x7f0000000180)=0x146) [ 1975.143991] block nbd1: shutting down sockets [ 1975.171388] block nbd0: shutting down sockets 22:53:17 executing program 1: r0 = syz_open_dev$ndb(&(0x7f0000000000)='/dev/nbd#\x00', 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = syz_open_dev$ndb(&(0x7f0000000140)='/dev/nbd#\x00', 0x0, 0x0) ioctl$NBD_CLEAR_SOCK(r2, 0xab04) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0xe7) ioctl$NBD_SET_SOCK(0xffffffffffffffff, 0xab03, 0xffffffffffffffff) [ 1975.225635] block nbd3: shutting down sockets 22:53:17 executing program 0: r0 = syz_open_dev$ndb(&(0x7f0000000000)='/dev/nbd#\x00', 0x0, 0x141080) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = syz_open_dev$ndb(&(0x7f0000000140)='/dev/nbd#\x00', 0x0, 0x0) ioctl$NBD_CLEAR_SOCK(r2, 0xab04) ioctl$NBD_SET_SOCK(r0, 0xab03, 0xffffffffffffffff) 22:53:17 executing program 3: socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(0xffffffffffffffff, 0xab00, r0) r1 = syz_open_dev$ndb(&(0x7f0000000140)='/dev/nbd#\x00', 0x0, 0x0) ioctl$NBD_CLEAR_SOCK(r1, 0xab04) ioctl$NBD_SET_FLAGS(0xffffffffffffffff, 0xab0a, 0xe7) ioctl$NBD_SET_SOCK(0xffffffffffffffff, 0xab03, 0xffffffffffffffff) [ 1975.284238] block nbd0: shutting down sockets [ 1975.300741] block nbd4: Receive control failed (result -32) [ 1975.306780] block nbd4: shutting down sockets 22:53:17 executing program 4: r0 = syz_open_dev$ndb(&(0x7f0000000000)='/dev/nbd#\x00', 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x13e) ioctl$NBD_CLEAR_SOCK(0xffffffffffffffff, 0xab04) ioctl$NBD_SET_SOCK(r0, 0xab03, 0xffffffffffffffff) 22:53:17 executing program 1: r0 = syz_open_dev$ndb(&(0x7f0000000000)='/dev/nbd#\x00', 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) syz_open_dev$ndb(&(0x7f0000000140)='/dev/nbd#\x00', 0x0, 0x0) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0xe7) ioctl$NBD_SET_SOCK(r0, 0xab03, 0xffffffffffffffff) [ 1975.350745] block nbd1: shutting down sockets 22:53:18 executing program 5: r0 = syz_open_dev$ndb(&(0x7f0000000000)='/dev/nbd#\x00', 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x13e) syz_open_dev$ndb(&(0x7f0000000140)='/dev/nbd#\x00', 0x0, 0x0) ioctl$NBD_CLEAR_SOCK(0xffffffffffffffff, 0xab04) ioctl$NBD_SET_SOCK(r0, 0xab03, 0xffffffffffffffff) 22:53:18 executing program 0: r0 = syz_open_dev$ndb(&(0x7f0000000000)='/dev/nbd#\x00', 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = syz_open_dev$ndb(&(0x7f0000000140)='/dev/nbd#\x00', 0x0, 0x0) ioctl$NBD_CLEAR_SOCK(r2, 0xab04) openat$dlm_control(0xffffffffffffff9c, &(0x7f0000000000)='/dev/dlm-control\x00', 0x0, 0x0) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0xe7) ioctl$NBD_SET_SOCK(r0, 0xab03, 0xffffffffffffffff) 22:53:18 executing program 3: r0 = syz_open_dev$ndb(&(0x7f0000000000)='/dev/nbd#\x00', 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) ioctl$NBD_CLEAR_SOCK(0xffffffffffffffff, 0xab04) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0xe7) ioctl$NBD_SET_SOCK(r0, 0xab03, 0xffffffffffffffff) 22:53:18 executing program 2: r0 = syz_open_dev$ndb(&(0x7f0000000000)='/dev/nbd#\x00', 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab03, 0xffffffffffffffff) [ 1975.852735] block nbd2: Receive control failed (result -32) [ 1975.853025] block nbd2: shutting down sockets [ 1975.860528] block nbd5: Receive control failed (result -32) [ 1975.869499] block nbd5: shutting down sockets [ 1975.956530] block nbd0: shutting down sockets 22:53:18 executing program 0: r0 = syz_open_dev$ndb(&(0x7f0000000000)='/dev/nbd#\x00', 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = syz_open_dev$ndb(&(0x7f0000000140)='/dev/nbd#\x00', 0x0, 0x0) ioctl$NBD_CLEAR_SOCK(r2, 0xab04) r3 = openat$dlm_control(0xffffffffffffff9c, &(0x7f0000000000)='/dev/dlm-control\x00', 0x0, 0x0) ioctl$SNDRV_PCM_IOCTL_XRUN(r3, 0x4148, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab03, 0xffffffffffffffff) 22:53:18 executing program 0: r0 = syz_open_dev$ndb(&(0x7f0000000000)='/dev/nbd#\x00', 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = syz_open_dev$ndb(&(0x7f0000000140)='/dev/nbd#\x00', 0x0, 0x0) ioctl$NBD_CLEAR_SOCK(r2, 0xab04) r3 = openat$dlm_control(0xffffffffffffff9c, &(0x7f0000000000)='/dev/dlm-control\x00', 0x0, 0x0) ioctl$SNDRV_PCM_IOCTL_XRUN(r3, 0x4148, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab03, 0xffffffffffffffff) [ 1976.040387] block nbd0: shutting down sockets [ 1976.103262] block nbd0: shutting down sockets 22:53:18 executing program 0: r0 = syz_open_dev$ndb(&(0x7f0000000000)='/dev/nbd#\x00', 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f00000000c0)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = syz_open_dev$ndb(&(0x7f0000000140)='/dev/nbd#\x00', 0x0, 0x0) r3 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x100) r4 = openat$dlm_control(0xffffffffffffff9c, &(0x7f0000000000)='/dev/dlm-control\x00', 0x0, 0x0) ioctl$SNDRV_PCM_IOCTL_XRUN(r4, 0x4148, 0x0) ioctl$NBD_CLEAR_SOCK(r4, 0xab04) ioctl$NBD_CLEAR_QUE(r3, 0xab05) r5 = syz_init_net_socket$nfc_llcp(0x27, 0x2, 0x1) ioctl$NBD_SET_BLKSIZE(r0, 0xab01, 0x20000000000086) setsockopt$nfc_llcp_NFC_LLCP_RW(r5, 0x118, 0x0, &(0x7f0000000140)=0x2f, 0x4) r6 = syz_init_net_socket$nfc_llcp(0x27, 0x2, 0x1) setsockopt$nfc_llcp_NFC_LLCP_RW(r6, 0x118, 0x0, &(0x7f0000000140)=0x2f, 0x4) accept$nfc_llcp(r5, &(0x7f0000000180), &(0x7f0000000200)=0x60) ioctl$NBD_CLEAR_SOCK(r2, 0xab04) r7 = syz_open_dev$ndb(&(0x7f0000000100)='/dev/nbd#\x00', 0x0, 0x181c0) ioctl$NBD_DO_IT(r7, 0xab03) ioctl$NBD_SET_SOCK(r0, 0xab03, 0xffffffffffffffff) ioctl$NBD_CLEAR_QUE(r2, 0xab05) 22:53:18 executing program 0: r0 = syz_open_dev$ndb(&(0x7f0000000000)='/dev/nbd#\x00', 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = syz_open_dev$ndb(&(0x7f0000000140)='/dev/nbd#\x00', 0x0, 0x0) ioctl$NBD_CLEAR_SOCK(r2, 0xab04) ioctl$NBD_SET_SOCK(r0, 0xab03, 0xffffffffffffffff) sendmsg$NBD_CMD_DISCONNECT(0xffffffffffffffff, &(0x7f00000001c0)={&(0x7f0000000080)={0x10, 0x0, 0x0, 0x10000}, 0xc, &(0x7f0000000180)={&(0x7f00000000c0)={0x48, 0x0, 0x200, 0x70bd27, 0x25dfdbfb, {}, [@NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x6}, @NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8, 0x1, r1}]}, @NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x2}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x5e}]}, 0x48}, 0x1, 0x0, 0x0, 0x800}, 0x4000) [ 1976.179573] block nbd0: shutting down sockets 22:53:18 executing program 0: r0 = syz_open_dev$ndb(&(0x7f0000000000)='/dev/nbd#\x00', 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = syz_open_dev$ndb(&(0x7f0000000140)='/dev/nbd#\x00', 0x0, 0x0) ioctl$NBD_CLEAR_SOCK(r2, 0xab04) ioctl$NBD_SET_SOCK(r0, 0xab03, 0xffffffffffffffff) [ 1976.235034] block nbd0: shutting down sockets [ 1976.249059] block nbd4: Receive control failed (result -32) [ 1976.255475] block nbd4: shutting down sockets [ 1976.263432] block nbd1: Receive control failed (result -32) [ 1976.269816] block nbd1: shutting down sockets 22:53:18 executing program 1: r0 = syz_open_dev$ndb(&(0x7f0000000000)='/dev/nbd#\x00', 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, 0x0) ioctl$NBD_SET_TIMEOUT(r0, 0xab09, 0x6) ioctl$NBD_SET_SOCK(r0, 0xab00, 0xffffffffffffffff) r1 = syz_open_dev$ndb(&(0x7f0000000140)='/dev/nbd#\x00', 0x0, 0x0) ioctl$NBD_CLEAR_SOCK(r1, 0xab04) ioctl$NBD_SET_SOCK(r0, 0xab03, 0xffffffffffffffff) 22:53:18 executing program 4: r0 = syz_open_dev$ndb(&(0x7f0000000000)='/dev/nbd#\x00', 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x13e) ioctl$NBD_CLEAR_SOCK(0xffffffffffffffff, 0xab04) ioctl$NBD_SET_SOCK(r0, 0xab03, 0xffffffffffffffff) [ 1976.315788] block nbd0: shutting down sockets 22:53:18 executing program 0: r0 = syz_open_dev$ndb(&(0x7f0000000000)='/dev/nbd#\x00', 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) r2 = socket$nl_generic(0x10, 0x3, 0x10) r3 = openat$dlm_control(0xffffffffffffff9c, &(0x7f0000000000)='/dev/dlm-control\x00', 0x0, 0x0) ioctl$SNDRV_PCM_IOCTL_XRUN(r3, 0x4148, 0x0) r4 = openat$dlm_control(0xffffffffffffff9c, &(0x7f0000000000)='/dev/dlm-control\x00', 0x0, 0x0) ioctl$SNDRV_PCM_IOCTL_XRUN(r4, 0x4148, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000100)={0xffffffffffffffff}) r6 = openat$dlm_control(0xffffffffffffff9c, &(0x7f0000000000)='/dev/dlm-control\x00', 0x0, 0x0) ioctl$SNDRV_PCM_IOCTL_XRUN(r6, 0x4148, 0x0) r7 = openat$dlm_control(0xffffffffffffff9c, &(0x7f0000000180)='/dev/dlm-control\x00', 0x80000, 0x0) sendmsg$NBD_CMD_RECONFIGURE(r2, &(0x7f00000002c0)={&(0x7f0000000080)={0x10, 0x0, 0x0, 0x4}, 0xc, &(0x7f0000000280)={&(0x7f00000001c0)={0xb4, 0x0, 0x1, 0x70bd27, 0x25dfdbff, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_SOCKETS={0x3c, 0x7, 0x0, 0x1, [{0x8, 0x1, r3}, {0x8, 0x1, r1}, {0x8, 0x1, r4}, {0x8, 0x1, r5}, {0x8, 0x1, r1}, {0x8, 0x1, r6}, {0x8, 0x1, r7}]}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x26}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x800}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x8}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x9}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x3}, @NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x354b1d11}]}, 0xb4}, 0x1, 0x0, 0x0, 0x4008004}, 0x40000) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r8 = syz_open_dev$ndb(&(0x7f0000000140)='/dev/nbd#\x00', 0x0, 0x8400) ioctl$NBD_CLEAR_SOCK(r8, 0xab04) ioctl$NBD_SET_SOCK(r0, 0xab03, 0xffffffffffffffff) r9 = syz_open_dev$ndb(&(0x7f00000000c0)='/dev/nbd#\x00', 0x0, 0x3314c0) ioctl$NBD_SET_SIZE_BLOCKS(r9, 0xab07, 0x9) ioctl$SNDRV_PCM_IOCTL_XRUN(0xffffffffffffffff, 0x4148, 0x0) ioctl$NBD_SET_SIZE(0xffffffffffffffff, 0xab02, 0x1ff) [ 1976.426639] block nbd0: shutting down sockets [ 1976.760885] block nbd2: Receive control failed (result -32) [ 1976.767151] block nbd2: shutting down sockets [ 1976.770693] block nbd5: Receive control failed (result -32) [ 1976.778251] block nbd5: shutting down sockets [ 1976.783830] block nbd3: Receive control failed (result -32) [ 1976.784124] block nbd3: shutting down sockets 22:53:19 executing program 5: r0 = syz_open_dev$ndb(&(0x7f0000000000)='/dev/nbd#\x00', 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x13e) syz_open_dev$ndb(&(0x7f0000000140)='/dev/nbd#\x00', 0x0, 0x0) ioctl$NBD_CLEAR_SOCK(0xffffffffffffffff, 0xab04) ioctl$NBD_SET_SOCK(r0, 0xab03, 0xffffffffffffffff) 22:53:19 executing program 1: r0 = syz_open_dev$ndb(&(0x7f0000000000)='/dev/nbd#\x00', 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) r2 = socket$nl_generic(0x10, 0x3, 0x10) r3 = openat$dlm_control(0xffffffffffffff9c, &(0x7f0000000000)='/dev/dlm-control\x00', 0x0, 0x0) ioctl$SNDRV_PCM_IOCTL_XRUN(r3, 0x4148, 0x0) r4 = openat$dlm_control(0xffffffffffffff9c, &(0x7f0000000000)='/dev/dlm-control\x00', 0x0, 0x0) ioctl$SNDRV_PCM_IOCTL_XRUN(r4, 0x4148, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000100)={0xffffffffffffffff}) r6 = openat$dlm_control(0xffffffffffffff9c, &(0x7f0000000000)='/dev/dlm-control\x00', 0x0, 0x0) ioctl$SNDRV_PCM_IOCTL_XRUN(r6, 0x4148, 0x0) r7 = openat$dlm_control(0xffffffffffffff9c, &(0x7f0000000180)='/dev/dlm-control\x00', 0x80000, 0x0) sendmsg$NBD_CMD_RECONFIGURE(r2, &(0x7f00000002c0)={&(0x7f0000000080)={0x10, 0x0, 0x0, 0x4}, 0xc, &(0x7f0000000280)={&(0x7f00000001c0)={0xb4, 0x0, 0x1, 0x70bd27, 0x25dfdbff, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_SOCKETS={0x3c, 0x7, 0x0, 0x1, [{0x8, 0x1, r3}, {0x8, 0x1, r1}, {0x8, 0x1, r4}, {0x8, 0x1, r5}, {0x8, 0x1, r1}, {0x8, 0x1, r6}, {0x8, 0x1, r7}]}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x26}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x800}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x8}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x9}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x3}, @NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x354b1d11}]}, 0xb4}, 0x1, 0x0, 0x0, 0x4008004}, 0x40000) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r8 = syz_open_dev$ndb(&(0x7f0000000140)='/dev/nbd#\x00', 0x0, 0x8400) ioctl$NBD_CLEAR_SOCK(r8, 0xab04) ioctl$NBD_SET_SOCK(r0, 0xab03, 0xffffffffffffffff) r9 = syz_open_dev$ndb(&(0x7f00000000c0)='/dev/nbd#\x00', 0x0, 0x3314c0) ioctl$NBD_SET_SIZE_BLOCKS(r9, 0xab07, 0x9) ioctl$SNDRV_PCM_IOCTL_XRUN(0xffffffffffffffff, 0x4148, 0x0) ioctl$NBD_SET_SIZE(0xffffffffffffffff, 0xab02, 0x1ff) 22:53:19 executing program 3: r0 = syz_open_dev$ndb(0x0, 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) ioctl$NBD_SET_TIMEOUT(r0, 0xab09, 0x6) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = syz_open_dev$ndb(&(0x7f0000000140)='/dev/nbd#\x00', 0x0, 0x0) ioctl$NBD_CLEAR_SOCK(r2, 0xab04) ioctl$NBD_SET_SOCK(r0, 0xab03, 0xffffffffffffffff) 22:53:19 executing program 0: r0 = syz_open_dev$ndb(&(0x7f0000000000)='/dev/nbd#\x00', 0x0, 0x488600) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = syz_open_dev$ndb(&(0x7f0000000140)='/dev/nbd#\x00', 0x0, 0x0) syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x600000) ioctl$NBD_CLEAR_SOCK(r2, 0xab04) ioctl$NBD_SET_SOCK(r0, 0xab03, 0xffffffffffffffff) 22:53:19 executing program 2: r0 = syz_open_dev$ndb(&(0x7f0000000000)='/dev/nbd#\x00', 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab03, 0xffffffffffffffff) 22:53:19 executing program 3: r0 = syz_open_dev$ndb(&(0x7f0000000000)='/dev/nbd#\x00', 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) ioctl$SNDRV_PCM_IOCTL_FORWARD(0xffffffffffffffff, 0x40084149, &(0x7f0000000080)) r2 = syz_open_dev$ndb(&(0x7f0000000140)='/dev/nbd#\x00', 0x0, 0x8400) ioctl$NBD_CLEAR_SOCK(r2, 0xab04) ioctl$NBD_SET_SOCK(r0, 0xab03, 0xffffffffffffffff) 22:53:19 executing program 0: r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x182000) ioctl$NBD_SET_SIZE_BLOCKS(r0, 0xab07, 0x1000) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000000)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) ioctl$NBD_SET_TIMEOUT(0xffffffffffffffff, 0xab09, 0x5) ioctl$NBD_CLEAR_SOCK(0xffffffffffffffff, 0xab04) ioctl$NBD_SET_SOCK(r0, 0xab03, 0xffffffffffffffff) [ 1976.909099] block nbd1: shutting down sockets 22:53:19 executing program 1: r0 = syz_open_dev$ndb(&(0x7f0000000000)='/dev/nbd#\x00', 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = syz_open_dev$ndb(&(0x7f0000000140)='/dev/nbd#\x00', 0x0, 0x420000) ioctl$NBD_CLEAR_SOCK(r2, 0xab04) ioctl$NBD_SET_SOCK(r0, 0xab03, 0xffffffffffffffff) [ 1977.005662] block nbd3: shutting down sockets 22:53:19 executing program 3: r0 = syz_open_dev$ndb(&(0x7f0000000000)='/dev/nbd#\x00', 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = syz_open_dev$ndb(&(0x7f0000000140)='/dev/nbd#\x00', 0x0, 0x0) ioctl$NBD_CLEAR_SOCK(r2, 0xab04) ioctl$NBD_SET_SOCK(r0, 0xab03, 0xffffffffffffffff) 22:53:19 executing program 3: r0 = syz_open_dev$ndb(&(0x7f0000000000)='/dev/nbd#\x00', 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = syz_open_dev$sndpcmp(&(0x7f0000000080)='/dev/snd/pcmC#D#p\x00', 0x5, 0x2000) ioctl$SNDRV_PCM_IOCTL_RESET(r2, 0x4141, 0x0) r3 = syz_open_dev$ndb(&(0x7f0000000140)='/dev/nbd#\x00', 0x0, 0x8400) ioctl$NBD_CLEAR_SOCK(r3, 0xab04) r4 = openat$dlm_control(0xffffffffffffff9c, &(0x7f0000000000)='/dev/dlm-control\x00', 0x0, 0x0) ioctl$SNDRV_PCM_IOCTL_XRUN(r4, 0x4148, 0x0) ioctl$ION_IOC_ALLOC(r4, 0xc0184900, &(0x7f00000000c0)={0x1ff, 0x2, 0x1}) ioctl$SNDRV_PCM_IOCTL_STATUS64(r4, 0x80984120, &(0x7f0000000180)) ioctl$NBD_SET_SOCK(r0, 0xab03, 0xffffffffffffffff) [ 1977.106012] block nbd3: shutting down sockets [ 1977.163469] block nbd3: shutting down sockets 22:53:19 executing program 4: r0 = syz_open_dev$ndb(&(0x7f0000000000)='/dev/nbd#\x00', 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x13e) ioctl$NBD_CLEAR_SOCK(0xffffffffffffffff, 0xab04) ioctl$NBD_SET_SOCK(r0, 0xab03, 0xffffffffffffffff) 22:53:19 executing program 3: r0 = syz_open_dev$ndb(&(0x7f0000000000)='/dev/nbd#\x00', 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = syz_open_dev$ndb(&(0x7f0000000140)='/dev/nbd#\x00', 0x0, 0x0) ioctl$NBD_CLEAR_SOCK(r2, 0xab04) ioctl$NBD_SET_SOCK(r0, 0xab03, 0xffffffffffffffff) r3 = socket$nl_generic(0x10, 0x3, 0x10) r4 = syz_genetlink_get_family_id$netlbl_mgmt(&(0x7f00000000c0)='NLBL_MGMT\x00') sendmsg$NLBL_MGMT_C_LISTDEF(r3, &(0x7f0000000200)={&(0x7f0000000080)={0x10, 0x0, 0x0, 0x20000000}, 0xc, &(0x7f0000000100)={&(0x7f0000000180)={0x4c, r4, 0x100, 0x70bd2d, 0x25dfdbfb, {}, [@NLBL_MGMT_A_IPV6ADDR={0x14, 0x5, @mcast2}, @NLBL_MGMT_A_FAMILY={0x6, 0xb, 0x15}, @NLBL_MGMT_A_IPV6MASK={0x14, 0x6, @loopback}, @NLBL_MGMT_A_IPV4MASK={0x8, 0x8, @multicast1}]}, 0x4c}, 0x1, 0x0, 0x0, 0x20040000}, 0x40) [ 1977.211022] block nbd4: Receive control failed (result -32) [ 1977.217197] block nbd4: shutting down sockets [ 1977.265522] block nbd3: shutting down sockets 22:53:20 executing program 5: r0 = syz_open_dev$ndb(&(0x7f0000000000)='/dev/nbd#\x00', 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x13e) syz_open_dev$ndb(&(0x7f0000000140)='/dev/nbd#\x00', 0x0, 0x0) ioctl$NBD_CLEAR_SOCK(0xffffffffffffffff, 0xab04) ioctl$NBD_SET_SOCK(r0, 0xab03, 0xffffffffffffffff) 22:53:20 executing program 3: r0 = syz_open_dev$ndb(&(0x7f0000000000)='/dev/nbd#\x00', 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x13e) ioctl$NBD_CLEAR_SOCK(0xffffffffffffffff, 0xab04) ioctl$NBD_SET_SOCK(r0, 0xab03, 0xffffffffffffffff) 22:53:20 executing program 2: r0 = syz_open_dev$ndb(&(0x7f0000000000)='/dev/nbd#\x00', 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab03, 0xffffffffffffffff) [ 1977.717542] block nbd2: Receive control failed (result -32) [ 1977.717813] block nbd2: shutting down sockets [ 1977.724055] block nbd5: shutting down sockets 22:53:20 executing program 1: r0 = syz_open_dev$ndb(&(0x7f0000000000)='/dev/nbd#\x00', 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = syz_open_dev$ndb(&(0x7f0000000140)='/dev/nbd#\x00', 0x0, 0x0) ioctl$NBD_CLEAR_SOCK(r2, 0xab04) ioctl$NBD_SET_SOCK(r0, 0xab03, 0xffffffffffffffff) r3 = socket$nl_generic(0x10, 0x3, 0x10) r4 = syz_genetlink_get_family_id$netlbl_mgmt(&(0x7f00000000c0)='NLBL_MGMT\x00') sendmsg$NLBL_MGMT_C_LISTDEF(r3, &(0x7f0000000200)={&(0x7f0000000080)={0x10, 0x0, 0x0, 0x20000000}, 0xc, &(0x7f0000000100)={&(0x7f0000000180)={0x4c, r4, 0x100, 0x70bd2d, 0x25dfdbfb, {}, [@NLBL_MGMT_A_IPV6ADDR={0x14, 0x5, @mcast2}, @NLBL_MGMT_A_FAMILY={0x6, 0xb, 0x15}, @NLBL_MGMT_A_IPV6MASK={0x14, 0x6, @loopback}, @NLBL_MGMT_A_IPV4MASK={0x8, 0x8, @multicast1}]}, 0x4c}, 0x1, 0x0, 0x0, 0x20040000}, 0x40) [ 1977.818013] block nbd0: Receive control failed (result -104) [ 1977.853296] block nbd1: Receive control failed (result -32) [ 1977.853606] block nbd1: shutting down sockets 22:53:20 executing program 1: r0 = syz_open_dev$ndb(&(0x7f0000000000)='/dev/nbd#\x00', 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) ioctl$NBD_SET_SIZE(r0, 0xab02, 0x3ca3925a) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = syz_open_dev$ndb(&(0x7f0000000140)='/dev/nbd#\x00', 0x0, 0x8400) ioctl$NBD_CLEAR_SOCK(r2, 0xab04) ioctl$NBD_SET_SOCK(r0, 0xab03, 0xffffffffffffffff) [ 1977.905113] block nbd1: shutting down sockets [ 1977.961890] block nbd1: shutting down sockets [ 1977.974830] print_req_error: 104 callbacks suppressed [ 1977.974840] print_req_error: I/O error, dev nbd1, sector 0 [ 1977.986950] buffer_io_error: 118 callbacks suppressed [ 1977.986957] Buffer I/O error on dev nbd1, logical block 0, async page read [ 1977.999606] print_req_error: I/O error, dev nbd1, sector 2 [ 1978.005309] Buffer I/O error on dev nbd1, logical block 1, async page read [ 1978.012772] Buffer I/O error on dev nbd1, logical block 2, async page read [ 1978.019901] Buffer I/O error on dev nbd1, logical block 3, async page read [ 1978.027582] print_req_error: I/O error, dev nbd1, sector 0 [ 1978.033430] Buffer I/O error on dev nbd1, logical block 0, async page read [ 1978.041428] print_req_error: I/O error, dev nbd1, sector 2 [ 1978.049487] Buffer I/O error on dev nbd1, logical block 1, async page read [ 1978.056548] Buffer I/O error on dev nbd1, logical block 2, async page read [ 1978.063695] Buffer I/O error on dev nbd1, logical block 3, async page read [ 1978.071654] print_req_error: I/O error, dev nbd1, sector 0 [ 1978.077691] Buffer I/O error on dev nbd1, logical block 0, async page read [ 1978.084967] print_req_error: I/O error, dev nbd1, sector 2 [ 1978.086811] block nbd4: Receive control failed (result -32) [ 1978.091677] Buffer I/O error on dev nbd1, logical block 1, async page read [ 1978.100523] block nbd4: shutting down sockets 22:53:20 executing program 4: r0 = syz_open_dev$ndb(&(0x7f0000000000)='/dev/nbd#\x00', 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = syz_open_dev$ndb(&(0x7f0000000140)='/dev/nbd#\x00', 0x0, 0x0) ioctl$NBD_CLEAR_SOCK(r2, 0xab04) ioctl$NBD_SET_SOCK(r0, 0xab03, 0xffffffffffffffff) [ 1978.108858] print_req_error: I/O error, dev nbd1, sector 0 [ 1978.114987] print_req_error: I/O error, dev nbd1, sector 2 [ 1978.121143] print_req_error: I/O error, dev nbd1, sector 4 [ 1978.128766] print_req_error: I/O error, dev nbd1, sector 6 [ 1978.136398] ldm_validate_partition_table(): Disk read failed. [ 1978.152902] Dev nbd1: unable to read RDB block 0 [ 1978.159058] block nbd4: shutting down sockets [ 1978.160160] nbd1: unable to read partition table [ 1978.204360] ldm_validate_partition_table(): Disk read failed. [ 1978.220554] Dev nbd1: unable to read RDB block 0 [ 1978.229867] nbd1: unable to read partition table [ 1978.631995] block nbd2: Receive control failed (result -32) [ 1978.638215] block nbd2: shutting down sockets [ 1978.638895] block nbd5: shutting down sockets [ 1978.648251] block nbd3: Receive control failed (result -32) [ 1978.657666] block nbd3: shutting down sockets [ 1981.067234] block nbd0: Connection timed out [ 1981.071716] block nbd0: shutting down sockets [ 1981.076263] block nbd0: Connection timed out [ 1981.080821] block nbd0: Connection timed out [ 1981.086003] block nbd0: Connection timed out [ 1981.093152] ldm_validate_partition_table(): Disk read failed. [ 1981.102347] Dev nbd0: unable to read RDB block 0 [ 1981.109309] nbd0: unable to read partition table 22:53:23 executing program 0: r0 = syz_open_dev$ndb(&(0x7f0000000000)='/dev/nbd#\x00', 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x13e) syz_open_dev$ndb(&(0x7f0000000140)='/dev/nbd#\x00', 0x0, 0x0) ioctl$NBD_CLEAR_SOCK(0xffffffffffffffff, 0xab04) ioctl$NBD_SET_SOCK(r0, 0xab03, 0xffffffffffffffff) 22:53:23 executing program 4: r0 = syz_open_dev$ndb(&(0x7f0000000000)='/dev/nbd#\x00', 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = syz_open_dev$ndb(&(0x7f0000000140)='/dev/nbd#\x00', 0x0, 0x0) ioctl$NBD_CLEAR_SOCK(r2, 0xab04) ioctl$NBD_SET_SOCK(r0, 0xab03, 0xffffffffffffffff) 22:53:23 executing program 1: r0 = syz_open_dev$ndb(&(0x7f0000000000)='/dev/nbd#\x00', 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x13e) ioctl$NBD_CLEAR_SOCK(0xffffffffffffffff, 0xab04) ioctl$NBD_SET_SOCK(r0, 0xab03, 0xffffffffffffffff) 22:53:23 executing program 5: r0 = syz_open_dev$ndb(&(0x7f0000000000)='/dev/nbd#\x00', 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x13e) r2 = syz_open_dev$ndb(&(0x7f0000000140)='/dev/nbd#\x00', 0x0, 0x0) ioctl$NBD_CLEAR_SOCK(r2, 0xab04) ioctl$NBD_SET_SOCK(0xffffffffffffffff, 0xab03, 0xffffffffffffffff) 22:53:23 executing program 2: r0 = syz_open_dev$ndb(&(0x7f0000000000)='/dev/nbd#\x00', 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0xe7) ioctl$NBD_SET_SOCK(0xffffffffffffffff, 0xab03, 0xffffffffffffffff) 22:53:23 executing program 3: r0 = syz_open_dev$ndb(&(0x7f0000000000)='/dev/nbd#\x00', 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x13e) syz_open_dev$ndb(&(0x7f0000000140)='/dev/nbd#\x00', 0x0, 0x0) ioctl$NBD_CLEAR_SOCK(0xffffffffffffffff, 0xab04) ioctl$NBD_SET_SOCK(r0, 0xab03, 0xffffffffffffffff) [ 1981.118552] nbd0: detected capacity change from 0 to 4194304 [ 1981.127911] ldm_validate_partition_table(): Disk read failed. [ 1981.135394] Dev nbd0: unable to read RDB block 0 [ 1981.163895] nbd0: unable to read partition table 22:53:23 executing program 4: r0 = syz_open_dev$ndb(&(0x7f0000000000)='/dev/nbd#\x00', 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = syz_open_dev$ndb(&(0x7f0000000140)='/dev/nbd#\x00', 0x0, 0x0) ioctl$NBD_CLEAR_SOCK(r2, 0xab04) ioctl$NBD_SET_SOCK(r0, 0xab03, 0xffffffffffffffff) [ 1981.199450] block nbd4: shutting down sockets [ 1981.213606] block nbd2: shutting down sockets [ 1981.221877] block nbd5: shutting down sockets 22:53:23 executing program 5: r0 = syz_open_dev$ndb(&(0x7f0000000000)='/dev/nbd#\x00', 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x13e) r2 = syz_open_dev$ndb(&(0x7f0000000140)='/dev/nbd#\x00', 0x0, 0x0) ioctl$NBD_CLEAR_SOCK(r2, 0xab04) ioctl$NBD_SET_SOCK(0xffffffffffffffff, 0xab03, 0xffffffffffffffff) 22:53:23 executing program 2: r0 = syz_open_dev$ndb(&(0x7f0000000000)='/dev/nbd#\x00', 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0xe7) ioctl$NBD_SET_SOCK(0xffffffffffffffff, 0xab03, 0xffffffffffffffff) [ 1981.317834] block nbd5: shutting down sockets 22:53:23 executing program 5: r0 = syz_open_dev$ndb(&(0x7f0000000000)='/dev/nbd#\x00', 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x13e) r2 = syz_open_dev$ndb(&(0x7f0000000140)='/dev/nbd#\x00', 0x0, 0x0) ioctl$NBD_CLEAR_SOCK(r2, 0xab04) ioctl$NBD_SET_SOCK(0xffffffffffffffff, 0xab03, 0xffffffffffffffff) [ 1981.349648] block nbd4: shutting down sockets [ 1981.374901] block nbd2: shutting down sockets 22:53:23 executing program 4: r0 = syz_open_dev$ndb(&(0x7f0000000000)='/dev/nbd#\x00', 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x13e) r1 = syz_open_dev$ndb(&(0x7f0000000140)='/dev/nbd#\x00', 0x0, 0x0) ioctl$NBD_CLEAR_SOCK(r1, 0xab04) ioctl$NBD_SET_SOCK(r0, 0xab03, 0xffffffffffffffff) 22:53:23 executing program 2: r0 = syz_open_dev$ndb(&(0x7f0000000000)='/dev/nbd#\x00', 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0xe7) ioctl$NBD_SET_SOCK(0xffffffffffffffff, 0xab03, 0xffffffffffffffff) [ 1981.416508] block nbd5: shutting down sockets [ 1981.490445] block nbd2: shutting down sockets [ 1982.009822] block nbd1: Receive control failed (result -32) [ 1982.010097] block nbd1: shutting down sockets [ 1982.016890] block nbd0: Receive control failed (result -32) [ 1982.021092] block nbd0: shutting down sockets [ 1982.034601] block nbd3: Receive control failed (result -32) [ 1982.035993] block nbd3: shutting down sockets 22:53:24 executing program 0: r0 = syz_open_dev$ndb(&(0x7f0000000000)='/dev/nbd#\x00', 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = syz_open_dev$ndb(&(0x7f0000000140)='/dev/nbd#\x00', 0x0, 0x0) r3 = socket$nl_generic(0x10, 0x3, 0x10) r4 = openat$fb0(0xffffffffffffff9c, &(0x7f0000000380)='/dev/fb0\x00', 0x0, 0x0) ioctl$BTRFS_IOC_RESIZE(r4, 0x50009403, 0x0) sendmsg$MPTCP_PM_CMD_SET_LIMITS(r3, &(0x7f0000000c80)={&(0x7f0000000bc0)={0x10, 0x0, 0x0, 0x20400000}, 0xc, &(0x7f0000000c40)={&(0x7f0000000380)=ANY=[@ANYBLOB="14000000", @ANYRES64=r4, @ANYBLOB="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"], 0x14}, 0x1, 0x0, 0x0, 0x440c0}, 0x0) r5 = syz_genetlink_get_family_id$nbd(&(0x7f00000000c0)='nbd\x00') sendmsg$NBD_CMD_RECONFIGURE(r3, &(0x7f00000001c0)={&(0x7f0000000080)={0x10, 0x0, 0x0, 0x8}, 0xc, &(0x7f0000000180)={&(0x7f0000000100)={0x38, r5, 0x10, 0x70bd28, 0x25dfdbfb, {}, [@NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x7}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0xfffffffffffffff8}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x10000}]}, 0x38}, 0x1, 0x0, 0x0, 0x24040000}, 0x4010081) ioctl$NBD_CLEAR_SOCK(r2, 0xab04) ioctl$NBD_SET_SOCK(r0, 0xab03, 0xffffffffffffffff) 22:53:24 executing program 5: r0 = syz_open_dev$ndb(&(0x7f0000000000)='/dev/nbd#\x00', 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x13e) syz_open_dev$ndb(&(0x7f0000000140)='/dev/nbd#\x00', 0x0, 0x0) ioctl$NBD_CLEAR_SOCK(0xffffffffffffffff, 0xab04) ioctl$NBD_SET_SOCK(r0, 0xab03, 0xffffffffffffffff) 22:53:24 executing program 4: r0 = syz_open_dev$ndb(&(0x7f0000000000)='/dev/nbd#\x00', 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x13e) r1 = syz_open_dev$ndb(&(0x7f0000000140)='/dev/nbd#\x00', 0x0, 0x0) ioctl$NBD_CLEAR_SOCK(r1, 0xab04) ioctl$NBD_SET_SOCK(r0, 0xab03, 0xffffffffffffffff) 22:53:24 executing program 2: r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x182000) ioctl$NBD_SET_SIZE_BLOCKS(r0, 0xab07, 0x1000) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000000)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) ioctl$NBD_SET_TIMEOUT(0xffffffffffffffff, 0xab09, 0x5) ioctl$NBD_CLEAR_SOCK(0xffffffffffffffff, 0xab04) ioctl$NBD_SET_SOCK(r0, 0xab03, 0xffffffffffffffff) 22:53:24 executing program 3: r0 = syz_open_dev$ndb(&(0x7f0000000000)='/dev/nbd#\x00', 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x13e) syz_open_dev$ndb(&(0x7f0000000140)='/dev/nbd#\x00', 0x0, 0x0) ioctl$NBD_CLEAR_SOCK(0xffffffffffffffff, 0xab04) ioctl$NBD_SET_SOCK(r0, 0xab03, 0xffffffffffffffff) 22:53:24 executing program 1: r0 = syz_open_dev$ndb(&(0x7f0000000000)='/dev/nbd#\x00', 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x13e) ioctl$NBD_CLEAR_SOCK(0xffffffffffffffff, 0xab04) ioctl$NBD_SET_SOCK(r0, 0xab03, 0xffffffffffffffff) 22:53:24 executing program 4: r0 = syz_open_dev$ndb(&(0x7f0000000000)='/dev/nbd#\x00', 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x13e) r1 = syz_open_dev$ndb(&(0x7f0000000140)='/dev/nbd#\x00', 0x0, 0x0) ioctl$NBD_CLEAR_SOCK(r1, 0xab04) ioctl$NBD_SET_SOCK(r0, 0xab03, 0xffffffffffffffff) [ 1982.165042] block nbd0: shutting down sockets 22:53:24 executing program 0: r0 = syz_open_dev$ndb(&(0x7f0000000000)='/dev/nbd#\x00', 0x0, 0x0) r1 = openat$dlm_control(0xffffffffffffff9c, &(0x7f0000000000)='/dev/dlm-control\x00', 0x0, 0x0) ioctl$SNDRV_PCM_IOCTL_XRUN(r1, 0x4148, 0x0) ioctl$SNDRV_PCM_IOCTL_HW_PARAMS(r1, 0xc2604111, &(0x7f0000000180)={0xffffffff, [[0x7, 0x333f, 0x6, 0x7fffffff, 0x5, 0x4af, 0x0, 0x7], [0x6, 0xfffffffe, 0xfffffae0, 0x9, 0x690f, 0x6, 0x6, 0x8], [0x200000, 0x200, 0x3, 0xda, 0x4, 0x20, 0xffffff3a, 0x1ff]], [], [{0xdab, 0x69dc, 0x0, 0x0, 0x1, 0x1}, {0xffff, 0x9, 0x1, 0x1, 0x0, 0x1}, {0x6, 0xbfc, 0x1, 0x1}, {0x9, 0x9, 0x0, 0x1}, {0x3, 0x7, 0x0, 0x1, 0x0, 0x1}, {0x2, 0x8, 0x0, 0x0, 0x1, 0x1}, {0xfffffff7, 0x1ff, 0x1, 0x1, 0x1, 0x1}, {0x7, 0x101, 0x0, 0x0, 0x1, 0x1}, {0x8, 0xffff, 0x0, 0x1, 0x1, 0x1}, {0x391, 0x7, 0x0, 0x1, 0x1}, {0x7, 0x9}, {0x9, 0x1, 0x1, 0x0, 0x1}], [], 0x17}) openat$cgroup_devices(r1, &(0x7f0000000080)='devices.deny\x00', 0x2, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r0, 0xab00, r2) r3 = syz_open_dev$ndb(&(0x7f0000000140)='/dev/nbd#\x00', 0x0, 0x8400) ioctl$NBD_CLEAR_SOCK(r3, 0xab04) ioctl$NBD_SET_SOCK(r0, 0xab03, 0xffffffffffffffff) 22:53:24 executing program 4: r0 = syz_open_dev$ndb(&(0x7f0000000000)='/dev/nbd#\x00', 0x0, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, 0xffffffffffffffff) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x13e) r1 = syz_open_dev$ndb(&(0x7f0000000140)='/dev/nbd#\x00', 0x0, 0x0) ioctl$NBD_CLEAR_SOCK(r1, 0xab04) ioctl$NBD_SET_SOCK(r0, 0xab03, 0xffffffffffffffff) 22:53:24 executing program 0: r0 = syz_open_dev$ndb(&(0x7f0000000000)='/dev/nbd#\x00', 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) r2 = openat$dlm_control(0xffffffffffffff9c, &(0x7f0000000080)='/dev/dlm-control\x00', 0x2200c2, 0x0) ioctl$NBD_SET_BLKSIZE(r2, 0xab01, 0x3ff) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r3 = syz_open_dev$ndb(&(0x7f0000000140)='/dev/nbd#\x00', 0x0, 0x0) ioctl$NBD_CLEAR_SOCK(r3, 0xab04) ioctl$NBD_SET_SOCK(r0, 0xab03, 0xffffffffffffffff) [ 1982.274822] block nbd0: shutting down sockets 22:53:24 executing program 4: r0 = syz_open_dev$ndb(&(0x7f0000000000)='/dev/nbd#\x00', 0x0, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, 0xffffffffffffffff) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x13e) r1 = syz_open_dev$ndb(&(0x7f0000000140)='/dev/nbd#\x00', 0x0, 0x0) ioctl$NBD_CLEAR_SOCK(r1, 0xab04) ioctl$NBD_SET_SOCK(r0, 0xab03, 0xffffffffffffffff) [ 1982.333059] block nbd0: shutting down sockets 22:53:24 executing program 0: r0 = syz_open_dev$ndb(&(0x7f0000000000)='/dev/nbd#\x00', 0x0, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, 0xffffffffffffffff) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x13e) r1 = syz_open_dev$ndb(&(0x7f0000000140)='/dev/nbd#\x00', 0x0, 0x0) ioctl$NBD_CLEAR_SOCK(r1, 0xab04) ioctl$NBD_SET_SOCK(r0, 0xab03, 0xffffffffffffffff) 22:53:24 executing program 4: r0 = syz_open_dev$ndb(&(0x7f0000000000)='/dev/nbd#\x00', 0x0, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, 0xffffffffffffffff) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x13e) r1 = syz_open_dev$ndb(&(0x7f0000000140)='/dev/nbd#\x00', 0x0, 0x0) ioctl$NBD_CLEAR_SOCK(r1, 0xab04) ioctl$NBD_SET_SOCK(r0, 0xab03, 0xffffffffffffffff) [ 1982.969355] block nbd3: Receive control failed (result -32) [ 1982.970632] block nbd1: Receive control failed (result -32) [ 1982.975930] block nbd2: Receive control failed (result -104) [ 1982.981357] block nbd1: shutting down sockets [ 1982.992663] block nbd5: Receive control failed (result -32) [ 1982.997402] block nbd3: shutting down sockets [ 1982.999446] block nbd5: shutting down sockets 22:53:25 executing program 5: r0 = syz_open_dev$ndb(&(0x7f0000000000)='/dev/nbd#\x00', 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) socket$packet(0x11, 0x2, 0x300) r2 = openat$mixer(0xffffffffffffff9c, &(0x7f0000000080)='/dev/mixer\x00', 0x80000, 0x0) ioctl$BTRFS_IOC_BALANCE_PROGRESS(r2, 0x84009422, &(0x7f0000000580)={0x0, 0x0, {0x0, @struct, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @struct}, {0x0, @struct}, {0x0, @usage, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @struct}}) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) write$FUSE_INTERRUPT(0xffffffffffffffff, &(0x7f00000000c0)={0x10}, 0x10) r3 = syz_open_dev$ndb(&(0x7f0000000140)='/dev/nbd#\x00', 0x0, 0x0) ioctl$NBD_CLEAR_SOCK(r3, 0xab04) ioctl$NBD_SET_SOCK(r0, 0xab03, 0xffffffffffffffff) r4 = openat$dlm_control(0xffffffffffffff9c, &(0x7f0000000000)='/dev/dlm-control\x00', 0x0, 0x0) ioctl$SNDRV_PCM_IOCTL_XRUN(r4, 0x4148, 0x0) ioctl$NBD_DO_IT(r0, 0xab03) ioctl$NBD_SET_SIZE(r4, 0xab02, 0x6) 22:53:25 executing program 0: r0 = syz_open_dev$ndb(&(0x7f0000000000)='/dev/nbd#\x00', 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) socket$packet(0x11, 0x2, 0x300) r2 = openat$mixer(0xffffffffffffff9c, &(0x7f0000000080)='/dev/mixer\x00', 0x80000, 0x0) ioctl$BTRFS_IOC_BALANCE_PROGRESS(r2, 0x84009422, &(0x7f0000000580)={0x0, 0x0, {0x0, @struct, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @struct}, {0x0, @struct}, {0x0, @usage, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @struct}}) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) write$FUSE_INTERRUPT(0xffffffffffffffff, &(0x7f00000000c0)={0x10}, 0x10) r3 = syz_open_dev$ndb(&(0x7f0000000140)='/dev/nbd#\x00', 0x0, 0x0) ioctl$NBD_CLEAR_SOCK(r3, 0xab04) ioctl$NBD_SET_SOCK(r0, 0xab03, 0xffffffffffffffff) r4 = openat$dlm_control(0xffffffffffffff9c, &(0x7f0000000000)='/dev/dlm-control\x00', 0x0, 0x0) ioctl$SNDRV_PCM_IOCTL_XRUN(r4, 0x4148, 0x0) ioctl$NBD_DO_IT(r0, 0xab03) ioctl$NBD_SET_SIZE(r4, 0xab02, 0x6) [ 1983.091686] block nbd0: shutting down sockets [ 1983.112809] block nbd5: shutting down sockets [ 1989.227461] block nbd2: Connection timed out [ 1989.232242] block nbd2: shutting down sockets [ 1989.236743] print_req_error: 243 callbacks suppressed [ 1989.236748] print_req_error: I/O error, dev nbd2, sector 0 [ 1989.249337] buffer_io_error: 250 callbacks suppressed [ 1989.249347] Buffer I/O error on dev nbd2, logical block 0, async page read [ 1989.262499] block nbd2: Connection timed out [ 1989.266932] print_req_error: I/O error, dev nbd2, sector 2 [ 1989.272642] Buffer I/O error on dev nbd2, logical block 1, async page read [ 1989.279784] block nbd2: Connection timed out [ 1989.284716] print_req_error: I/O error, dev nbd2, sector 4 [ 1989.290449] Buffer I/O error on dev nbd2, logical block 2, async page read [ 1989.297591] block nbd2: Connection timed out [ 1989.302004] print_req_error: I/O error, dev nbd2, sector 6 [ 1989.307763] Buffer I/O error on dev nbd2, logical block 3, async page read [ 1989.315099] print_req_error: I/O error, dev nbd2, sector 0 [ 1989.320842] Buffer I/O error on dev nbd2, logical block 0, async page read [ 1989.329116] Buffer I/O error on dev nbd2, logical block 1, async page read [ 1989.336174] Buffer I/O error on dev nbd2, logical block 2, async page read [ 1989.343290] Buffer I/O error on dev nbd2, logical block 3, async page read [ 1989.351765] print_req_error: I/O error, dev nbd2, sector 0 [ 1989.357511] Buffer I/O error on dev nbd2, logical block 0, async page read [ 1989.364558] Buffer I/O error on dev nbd2, logical block 1, async page read [ 1989.372370] print_req_error: I/O error, dev nbd2, sector 0 [ 1989.378324] print_req_error: I/O error, dev nbd2, sector 0 [ 1989.384110] print_req_error: I/O error, dev nbd2, sector 0 [ 1989.390217] print_req_error: I/O error, dev nbd2, sector 2 [ 1989.396432] ldm_validate_partition_table(): Disk read failed. [ 1989.403378] Dev nbd2: unable to read RDB block 0 [ 1989.410187] nbd2: unable to read partition table [ 1989.417037] nbd2: detected capacity change from 0 to 4194304 22:53:31 executing program 2: r0 = syz_open_dev$ndb(&(0x7f0000000000)='/dev/nbd#\x00', 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) ioctl$NBD_SET_BLKSIZE(r0, 0xab01, 0x9) r2 = syz_open_dev$ndb(&(0x7f0000000140)='/dev/nbd#\x00', 0x0, 0x8400) ioctl$NBD_CLEAR_SOCK(r2, 0xab04) ioctl$NBD_SET_SOCK(r0, 0xab03, 0xffffffffffffffff) 22:53:31 executing program 4: socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(0xffffffffffffffff, 0xab00, r0) ioctl$NBD_SET_FLAGS(0xffffffffffffffff, 0xab0a, 0x13e) r1 = syz_open_dev$ndb(&(0x7f0000000140)='/dev/nbd#\x00', 0x0, 0x0) ioctl$NBD_CLEAR_SOCK(r1, 0xab04) ioctl$NBD_SET_SOCK(0xffffffffffffffff, 0xab03, 0xffffffffffffffff) 22:53:31 executing program 3: r0 = syz_open_dev$ndb(&(0x7f0000000000)='/dev/nbd#\x00', 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x13e) syz_open_dev$ndb(&(0x7f0000000140)='/dev/nbd#\x00', 0x0, 0x0) ioctl$NBD_CLEAR_SOCK(0xffffffffffffffff, 0xab04) ioctl$NBD_SET_SOCK(r0, 0xab03, 0xffffffffffffffff) 22:53:31 executing program 1: r0 = syz_open_dev$ndb(&(0x7f0000000000)='/dev/nbd#\x00', 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x13e) ioctl$NBD_CLEAR_SOCK(0xffffffffffffffff, 0xab04) ioctl$NBD_SET_SOCK(r0, 0xab03, 0xffffffffffffffff) 22:53:31 executing program 0: r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x182000) ioctl$NBD_SET_SIZE_BLOCKS(r0, 0xab07, 0x1000) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000000)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = syz_open_dev$ndb(&(0x7f0000000140)='/dev/nbd#\x00', 0x0, 0x8400) ioctl$NBD_CLEAR_SOCK(r2, 0xab04) ioctl$NBD_SET_SOCK(r0, 0xab03, 0xffffffffffffffff) 22:53:31 executing program 5: r0 = syz_open_dev$ndb(&(0x7f0000000000)='/dev/nbd#\x00', 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) ioctl$NBD_SET_BLKSIZE(r0, 0xab01, 0x9) r2 = syz_open_dev$ndb(&(0x7f0000000140)='/dev/nbd#\x00', 0x0, 0x8400) ioctl$NBD_CLEAR_SOCK(r2, 0xab04) ioctl$NBD_SET_SOCK(r0, 0xab03, 0xffffffffffffffff) [ 1989.428450] ldm_validate_partition_table(): Disk read failed. [ 1989.436198] Dev nbd2: unable to read RDB block 0 [ 1989.444036] nbd2: unable to read partition table 22:53:32 executing program 4: socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(0xffffffffffffffff, 0xab00, r0) ioctl$NBD_SET_FLAGS(0xffffffffffffffff, 0xab0a, 0x13e) r1 = syz_open_dev$ndb(&(0x7f0000000140)='/dev/nbd#\x00', 0x0, 0x0) ioctl$NBD_CLEAR_SOCK(r1, 0xab04) ioctl$NBD_SET_SOCK(0xffffffffffffffff, 0xab03, 0xffffffffffffffff) [ 1989.503288] block nbd5: shutting down sockets [ 1989.510356] block nbd2: shutting down sockets [ 1989.533958] block nbd0: shutting down sockets 22:53:32 executing program 5: r0 = syz_open_dev$ndb(&(0x7f0000000000)='/dev/nbd#\x00', 0x0, 0x0) ioctl$SNDRV_PCM_IOCTL_INFO(0xffffffffffffffff, 0x81204101, &(0x7f0000000180)) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) ioctl$SNDRV_PCM_IOCTL_RESUME(0xffffffffffffffff, 0x4147, 0x0) r2 = openat$dlm_control(0xffffffffffffff9c, &(0x7f0000000000)='/dev/dlm-control\x00', 0x0, 0x0) ioctl$SNDRV_PCM_IOCTL_XRUN(r2, 0x4148, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r3 = syz_open_dev$ndb(&(0x7f0000000140)='/dev/nbd#\x00', 0x0, 0x8400) ioctl$NBD_CLEAR_SOCK(r3, 0xab04) ioctl$NBD_SET_SOCK(r0, 0xab03, 0xffffffffffffffff) 22:53:32 executing program 0: r0 = openat$snapshot(0xffffffffffffff9c, &(0x7f0000000000)='/dev/snapshot\x00', 0x0, 0x0) ioctl$SNAPSHOT_S2RAM(r0, 0x330f) r1 = openat$sequencer(0xffffffffffffff9c, &(0x7f0000000140)='/dev/sequencer\x00', 0x2, 0x0) ioctl$SNDCTL_SEQ_PANIC(r1, 0x5111) write$sequencer(r1, &(0x7f0000000040)=[@t={0x85, 0x1, 0x1, 0x4, @generic=0x1000}], 0x8) 22:53:32 executing program 2: r0 = openat$snapshot(0xffffffffffffff9c, &(0x7f0000000000)='/dev/snapshot\x00', 0x0, 0x0) ioctl$SNAPSHOT_ALLOC_SWAP_PAGE(r0, 0x80083314, &(0x7f0000000480)) ioctl$BTRFS_IOC_GET_DEV_STATS(r0, 0xc4089434, &(0x7f0000000040)={0x0, 0x7fffffff, 0x0, [0x7, 0x80000000, 0x18c, 0x401, 0x9], [0x7, 0x2, 0xa1, 0xc0, 0x3f, 0x3fe, 0x7fffffff, 0x401b, 0xfffffffffffff801, 0x6, 0x40, 0x0, 0x100000001, 0x6, 0x1ff, 0x1, 0xb3f, 0x5da, 0x3, 0x200, 0x8000, 0x9ca4, 0xfffffffffffff001, 0xd84, 0x4, 0xb8, 0x6, 0x1, 0x80, 0x8, 0x6, 0x7, 0xac, 0x0, 0xffffffffffffff81, 0x7, 0x4, 0xb3e, 0xfffffffffffffffb, 0x7, 0x0, 0x8001, 0x3f, 0x2, 0x7, 0x4, 0x1, 0x806, 0x2e, 0x9, 0x200, 0x1, 0x92, 0x0, 0x5, 0x3f, 0x29, 0x6, 0x400, 0x4, 0x8000, 0x8, 0x9, 0x960e, 0x4, 0x800, 0x3f, 0x8001, 0x6fb4, 0x6, 0x8, 0x5, 0x4, 0x1ff, 0xc4a, 0x5, 0x100000001, 0x1da, 0x9, 0xfffffffffffffffe, 0x4, 0x7, 0x80000000, 0x80, 0xfff, 0x8, 0x2, 0x915, 0x7, 0x2f, 0x7, 0xffffffffffff0000, 0x1, 0x7f, 0x7, 0x6, 0x0, 0x40, 0x5, 0x6, 0x7, 0x2, 0x80, 0x800000000003f, 0x0, 0x10001, 0x6, 0x6, 0x8, 0x7, 0xe816, 0x2, 0x4, 0x0, 0x9, 0x400, 0x0, 0x0, 0x7fffffff, 0x1000, 0x5f4]}) ioctl$DMA_BUF_IOCTL_SYNC(0xffffffffffffffff, 0x40086200, &(0x7f0000000500)=0x3) syz_open_dev$sndpcmc(&(0x7f00000004c0)='/dev/snd/pcmC#D#c\x00', 0x3, 0x400) ioctl$SNAPSHOT_S2RAM(r0, 0x330f) 22:53:32 executing program 4: socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(0xffffffffffffffff, 0xab00, r0) ioctl$NBD_SET_FLAGS(0xffffffffffffffff, 0xab0a, 0x13e) r1 = syz_open_dev$ndb(&(0x7f0000000140)='/dev/nbd#\x00', 0x0, 0x0) ioctl$NBD_CLEAR_SOCK(r1, 0xab04) ioctl$NBD_SET_SOCK(0xffffffffffffffff, 0xab03, 0xffffffffffffffff) [ 1989.645647] block nbd5: shutting down sockets 22:53:32 executing program 0: r0 = syz_open_dev$ndb(&(0x7f0000000000)='/dev/nbd#\x00', 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = syz_open_dev$ndb(&(0x7f0000000140)='/dev/nbd#\x00', 0x0, 0x0) ioctl$NBD_CLEAR_SOCK(r2, 0xab04) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)) ioctl$NBD_SET_SOCK(r0, 0xab03, 0xffffffffffffffff) 22:53:32 executing program 5: r0 = syz_open_dev$ndb(&(0x7f0000000000)='/dev/nbd#\x00', 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = openat$mixer(0xffffffffffffff9c, &(0x7f0000000200)='/dev/mixer\x00', 0x490802, 0x0) ioctl$SOUND_MIXER_WRITE_VOLUME(r2, 0xc0044d1c, &(0x7f0000000240)=0x2f) r3 = syz_open_dev$ndb(&(0x7f0000000140)='/dev/nbd#\x00', 0x0, 0x0) sendmsg$NBD_CMD_RECONFIGURE(0xffffffffffffffff, &(0x7f0000000380)={&(0x7f0000000280)={0x10, 0x0, 0x0, 0x8000000}, 0xc, &(0x7f0000000340)={&(0x7f0000000440)=ANY=[@ANYBLOB='|\x00\x00\x00', @ANYRES16=0x0, @ANYBLOB="000325bd7000ffdbdf25030000000c00040001011efeea52c40000000000000c0005000000cea45ffa534296a291f0f00000000000000c00050028010000000000000c000200f9ffffffffffffff0c0007001ff70b7d903f00000c00080000080000000000000c00030001000100000000000c0008000600000000"], 0x7c}, 0x1, 0x0, 0x0, 0x24040811}, 0x1) ioctl$SOUND_MIXER_WRITE_VOLUME(r2, 0xc0044d0f, &(0x7f0000000400)=0x9) prctl$PR_SET_THP_DISABLE(0x29, 0x0) syz_open_dev$ndb(&(0x7f00000001c0)='/dev/nbd#\x00', 0x0, 0x600900) ioctl$NBD_CLEAR_SOCK(r3, 0xab04) syz_init_net_socket$nfc_llcp(0x27, 0x3, 0x1) r4 = openat$dlm_control(0xffffffffffffff9c, &(0x7f0000000000)='/dev/dlm-control\x00', 0x0, 0x0) ioctl$SNDRV_PCM_IOCTL_XRUN(r4, 0x4148, 0x0) ioctl$SOUND_MIXER_READ_STEREODEVS(r4, 0x80044dfb, &(0x7f00000003c0)) ioctl$NBD_SET_SOCK(r0, 0xab03, 0xffffffffffffffff) r5 = socket$nl_generic(0x10, 0x3, 0x10) sendmsg$MPTCP_PM_CMD_DEL_ADDR(r5, &(0x7f0000000180)={&(0x7f0000000080)={0x10, 0x0, 0x0, 0x200}, 0xc, &(0x7f0000000100)={&(0x7f00000000c0)={0x1c, 0x0, 0x100, 0x70bd2c, 0x25dfdbfc, {}, [@MPTCP_PM_ATTR_RCV_ADD_ADDRS={0x8, 0x2, 0x3}]}, 0x1c}, 0x1, 0x0, 0x0, 0x8010}, 0x24008009) 22:53:32 executing program 4: r0 = syz_open_dev$ndb(0x0, 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x13e) r2 = syz_open_dev$ndb(&(0x7f0000000140)='/dev/nbd#\x00', 0x0, 0x0) ioctl$NBD_CLEAR_SOCK(r2, 0xab04) ioctl$NBD_SET_SOCK(r0, 0xab03, 0xffffffffffffffff) [ 1989.747589] block nbd0: shutting down sockets [ 1989.799911] block nbd5: shutting down sockets 22:53:32 executing program 3: r0 = syz_open_dev$ndb(&(0x7f0000000000)='/dev/nbd#\x00', 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x13e) syz_open_dev$ndb(&(0x7f0000000140)='/dev/nbd#\x00', 0x0, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab03, 0xffffffffffffffff) 22:53:32 executing program 1: r0 = syz_open_dev$ndb(&(0x7f0000000000)='/dev/nbd#\x00', 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x13e) ioctl$NBD_SET_SOCK(r0, 0xab03, 0xffffffffffffffff) 22:53:32 executing program 2: r0 = openat$snapshot(0xffffffffffffff9c, &(0x7f0000000000)='/dev/snapshot\x00', 0x4001, 0x0) ioctl$SNAPSHOT_S2RAM(r0, 0x40043311) 22:53:32 executing program 0: r0 = syz_open_dev$ndb(&(0x7f0000000000)='/dev/nbd#\x00', 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = syz_open_dev$ndb(&(0x7f0000000140)='/dev/nbd#\x00', 0x0, 0x0) ioctl$NBD_CLEAR_SOCK(r2, 0xab04) r3 = socket$nl_generic(0x10, 0x3, 0x10) sendmsg$MPTCP_PM_CMD_SET_LIMITS(r3, &(0x7f0000000c80)={&(0x7f0000000bc0)={0x10, 0x0, 0x0, 0x20400000}, 0xc, &(0x7f0000000c40)={&(0x7f0000000c00)=ANY=[@ANYBLOB="14000000", @ANYRES16=0x0, @ANYBLOB="004aa33058000000000005000000"], 0x14}, 0x1, 0x0, 0x0, 0x20000000}, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000200)={0xffffffffffffffff}) r5 = openat$dlm_control(0xffffffffffffff9c, &(0x7f0000000000)='/dev/dlm-control\x00', 0x0, 0x0) sendmsg$NLBL_MGMT_C_ADDDEF(r3, &(0x7f0000000340)={&(0x7f00000000c0)={0x10, 0x0, 0x0, 0x800000}, 0xc, &(0x7f0000000300)={&(0x7f0000000380)=ANY=[@ANYBLOB="3400000053dedf1ddf539b490084c1b2931897a8383d937dc45a78f02b4c97462565a0bbae15294cac7b9faa5b65ffb4b7e4debe56be9ff22bb57d22f0dedd95c9386b742051392a9804cd26a29fdb5381d01517712522a6070cf5d8a1efa9bd0a71", @ANYRES16=0x0, @ANYBLOB="000426bd7000fddbdf250400000006000b001d000000080002000700000008000200030000000800040002000000"], 0x34}, 0x1, 0x0, 0x0, 0x20004000}, 0x20040000) ioctl$SNDRV_PCM_IOCTL_XRUN(r5, 0x4148, 0x0) sendmsg$NBD_CMD_RECONFIGURE(r3, &(0x7f00000001c0)={&(0x7f0000000080)={0x10, 0x0, 0x0, 0x400000}, 0xc, &(0x7f0000000180)={&(0x7f0000000240)={0x94, 0x0, 0x200, 0x70bd2c, 0x25dfdbff, {}, [@NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x6}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x4}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x1f}, @NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x22}, @NBD_ATTR_SOCKETS={0x34, 0x7, 0x0, 0x1, [{0x8, 0x1, r4}, {0x8, 0x1, r1}, {0x8, 0x1, r5}, {0x8, 0x1, r1}, {0x8, 0x1, r1}, {0x8, 0x1, r5}]}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x2}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x3e}]}, 0x94}, 0x1, 0x0, 0x0, 0x20000025}, 0x20000005) ioctl$NBD_SET_SOCK(r0, 0xab03, 0xffffffffffffffff) 22:53:32 executing program 4: r0 = syz_open_dev$ndb(0x0, 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x13e) r2 = syz_open_dev$ndb(&(0x7f0000000140)='/dev/nbd#\x00', 0x0, 0x0) ioctl$NBD_CLEAR_SOCK(r2, 0xab04) ioctl$NBD_SET_SOCK(r0, 0xab03, 0xffffffffffffffff) 22:53:32 executing program 5: r0 = syz_open_dev$ndb(&(0x7f0000000000)='/dev/nbd#\x00', 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff, 0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) getsockname$packet(0xffffffffffffffff, &(0x7f00000001c0)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @link_local}, &(0x7f0000000200)=0x14) getsockname$packet(r1, &(0x7f0000000240)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @local}, &(0x7f0000000280)=0x14) getsockname$packet(r2, &(0x7f00000002c0)={0x11, 0x0, 0x0}, &(0x7f0000000300)=0x14) getsockname$packet(0xffffffffffffffff, &(0x7f0000000340)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @multicast}, &(0x7f0000000380)=0x14) sendmsg$ETHTOOL_MSG_PRIVFLAGS_GET(0xffffffffffffffff, &(0x7f0000000600)={&(0x7f0000000180), 0xc, &(0x7f00000005c0)={&(0x7f00000003c0)={0x1e0, 0x0, 0x100, 0x70bd27, 0x25dfdbfb, {}, [@HEADER={0x60, 0x1, 0x0, 0x1, [@ETHTOOL_A_HEADER_FLAGS={0x8}, @ETHTOOL_A_HEADER_DEV_INDEX={0x8}, @ETHTOOL_A_HEADER_FLAGS={0x8, 0x3, 0x2}, @ETHTOOL_A_HEADER_DEV_NAME={0x14, 0x2, 'wlan1\x00'}, @ETHTOOL_A_HEADER_DEV_NAME={0x14, 0x2, 'vlan0\x00'}, @ETHTOOL_A_HEADER_DEV_INDEX={0x8}, @ETHTOOL_A_HEADER_DEV_NAME={0x14, 0x2, 'macvlan1\x00'}]}, @HEADER={0x54, 0x1, 0x0, 0x1, [@ETHTOOL_A_HEADER_FLAGS={0x8, 0x3, 0x1}, @ETHTOOL_A_HEADER_DEV_NAME={0x14, 0x2, 'wg1\x00'}, @ETHTOOL_A_HEADER_DEV_INDEX={0x8, 0x1, r3}, @ETHTOOL_A_HEADER_FLAGS={0x8}, @ETHTOOL_A_HEADER_DEV_NAME={0x14, 0x2, 'netpci0\x00'}, @ETHTOOL_A_HEADER_DEV_INDEX={0x8}, @ETHTOOL_A_HEADER_DEV_INDEX={0x8, 0x1, r4}]}, @HEADER={0x70, 0x1, 0x0, 0x1, [@ETHTOOL_A_HEADER_DEV_INDEX={0x8}, @ETHTOOL_A_HEADER_DEV_NAME={0x14, 0x2, 'sit0\x00'}, @ETHTOOL_A_HEADER_DEV_NAME={0x14, 0x2, 'bridge_slave_1\x00'}, @ETHTOOL_A_HEADER_DEV_NAME={0x14}, @ETHTOOL_A_HEADER_DEV_NAME={0x14, 0x2, 'gretap0\x00'}, @ETHTOOL_A_HEADER_DEV_NAME={0x14}]}, @HEADER={0x3c, 0x1, 0x0, 0x1, [@ETHTOOL_A_HEADER_DEV_NAME={0x14, 0x2, 'ip6erspan0\x00'}, @ETHTOOL_A_HEADER_DEV_INDEX={0x8}, @ETHTOOL_A_HEADER_FLAGS={0x8}, @ETHTOOL_A_HEADER_DEV_NAME={0x14, 0x2, 'syz_tun\x00'}]}, @HEADER={0x44, 0x1, 0x0, 0x1, [@ETHTOOL_A_HEADER_DEV_INDEX={0x8, 0x1, r5}, @ETHTOOL_A_HEADER_DEV_NAME={0x14, 0x2, 'erspan0\x00'}, @ETHTOOL_A_HEADER_DEV_INDEX={0x8, 0x1, r6}, @ETHTOOL_A_HEADER_DEV_INDEX={0x8}, @ETHTOOL_A_HEADER_DEV_NAME={0x14, 0x2, 'macvlan0\x00'}]}, @HEADER={0x28, 0x1, 0x0, 0x1, [@ETHTOOL_A_HEADER_FLAGS={0x8, 0x3, 0x1}, @ETHTOOL_A_HEADER_DEV_NAME={0x14, 0x2, 'vcan0\x00'}, @ETHTOOL_A_HEADER_DEV_INDEX={0x8}]}]}, 0x1e0}, 0x1, 0x0, 0x0, 0x4040080}, 0x8004) syz_open_dev$ndb(&(0x7f0000000140)='/dev/nbd#\x00', 0x0, 0x0) [ 1990.318953] block nbd3: Receive control failed (result -32) [ 1990.324921] block nbd3: shutting down sockets [ 1990.338315] block nbd1: Receive control failed (result -32) [ 1990.344441] block nbd1: shutting down sockets 22:53:32 executing program 5: r0 = syz_open_dev$ndb(&(0x7f0000000000)='/dev/nbd#\x00', 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) ioctl$NBD_CLEAR_SOCK(r0, 0xab04) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) ioctl$NBD_CLEAR_SOCK(0xffffffffffffffff, 0xab04) ioctl$NBD_SET_SOCK(r0, 0xab03, 0xffffffffffffffff) [ 1990.420432] block nbd0: shutting down sockets [ 1990.425754] block nbd5: shutting down sockets 22:53:33 executing program 4: r0 = syz_open_dev$ndb(0x0, 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x13e) r2 = syz_open_dev$ndb(&(0x7f0000000140)='/dev/nbd#\x00', 0x0, 0x0) ioctl$NBD_CLEAR_SOCK(r2, 0xab04) ioctl$NBD_SET_SOCK(r0, 0xab03, 0xffffffffffffffff) 22:53:33 executing program 0: r0 = syz_open_dev$ndb(&(0x7f0000000000)='/dev/nbd#\x00', 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff, 0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) getsockname$packet(0xffffffffffffffff, &(0x7f00000001c0)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @link_local}, &(0x7f0000000200)=0x14) getsockname$packet(r1, &(0x7f0000000240)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @local}, &(0x7f0000000280)=0x14) getsockname$packet(r2, &(0x7f00000002c0)={0x11, 0x0, 0x0}, &(0x7f0000000300)=0x14) getsockname$packet(0xffffffffffffffff, &(0x7f0000000340)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @multicast}, &(0x7f0000000380)=0x14) sendmsg$ETHTOOL_MSG_PRIVFLAGS_GET(0xffffffffffffffff, &(0x7f0000000600)={&(0x7f0000000180), 0xc, &(0x7f00000005c0)={&(0x7f00000003c0)={0x1e0, 0x0, 0x100, 0x70bd27, 0x25dfdbfb, {}, [@HEADER={0x60, 0x1, 0x0, 0x1, [@ETHTOOL_A_HEADER_FLAGS={0x8}, @ETHTOOL_A_HEADER_DEV_INDEX={0x8}, @ETHTOOL_A_HEADER_FLAGS={0x8, 0x3, 0x2}, @ETHTOOL_A_HEADER_DEV_NAME={0x14, 0x2, 'wlan1\x00'}, @ETHTOOL_A_HEADER_DEV_NAME={0x14, 0x2, 'vlan0\x00'}, @ETHTOOL_A_HEADER_DEV_INDEX={0x8}, @ETHTOOL_A_HEADER_DEV_NAME={0x14, 0x2, 'macvlan1\x00'}]}, @HEADER={0x54, 0x1, 0x0, 0x1, [@ETHTOOL_A_HEADER_FLAGS={0x8, 0x3, 0x1}, @ETHTOOL_A_HEADER_DEV_NAME={0x14, 0x2, 'wg1\x00'}, @ETHTOOL_A_HEADER_DEV_INDEX={0x8, 0x1, r3}, @ETHTOOL_A_HEADER_FLAGS={0x8}, @ETHTOOL_A_HEADER_DEV_NAME={0x14, 0x2, 'netpci0\x00'}, @ETHTOOL_A_HEADER_DEV_INDEX={0x8}, @ETHTOOL_A_HEADER_DEV_INDEX={0x8, 0x1, r4}]}, @HEADER={0x70, 0x1, 0x0, 0x1, [@ETHTOOL_A_HEADER_DEV_INDEX={0x8}, @ETHTOOL_A_HEADER_DEV_NAME={0x14, 0x2, 'sit0\x00'}, @ETHTOOL_A_HEADER_DEV_NAME={0x14, 0x2, 'bridge_slave_1\x00'}, @ETHTOOL_A_HEADER_DEV_NAME={0x14}, @ETHTOOL_A_HEADER_DEV_NAME={0x14, 0x2, 'gretap0\x00'}, @ETHTOOL_A_HEADER_DEV_NAME={0x14}]}, @HEADER={0x3c, 0x1, 0x0, 0x1, [@ETHTOOL_A_HEADER_DEV_NAME={0x14, 0x2, 'ip6erspan0\x00'}, @ETHTOOL_A_HEADER_DEV_INDEX={0x8}, @ETHTOOL_A_HEADER_FLAGS={0x8}, @ETHTOOL_A_HEADER_DEV_NAME={0x14, 0x2, 'syz_tun\x00'}]}, @HEADER={0x44, 0x1, 0x0, 0x1, [@ETHTOOL_A_HEADER_DEV_INDEX={0x8, 0x1, r5}, @ETHTOOL_A_HEADER_DEV_NAME={0x14, 0x2, 'erspan0\x00'}, @ETHTOOL_A_HEADER_DEV_INDEX={0x8, 0x1, r6}, @ETHTOOL_A_HEADER_DEV_INDEX={0x8}, @ETHTOOL_A_HEADER_DEV_NAME={0x14, 0x2, 'macvlan0\x00'}]}, @HEADER={0x28, 0x1, 0x0, 0x1, [@ETHTOOL_A_HEADER_FLAGS={0x8, 0x3, 0x1}, @ETHTOOL_A_HEADER_DEV_NAME={0x14, 0x2, 'vcan0\x00'}, @ETHTOOL_A_HEADER_DEV_INDEX={0x8}]}]}, 0x1e0}, 0x1, 0x0, 0x0, 0x4040080}, 0x8004) r7 = syz_open_dev$ndb(&(0x7f0000000140)='/dev/nbd#\x00', 0x0, 0x0) ioctl$NBD_CLEAR_SOCK(r7, 0xab04) r8 = openat$dlm_control(0xffffffffffffff9c, &(0x7f0000000000)='/dev/dlm-control\x00', 0x0, 0x0) ioctl$SNDRV_PCM_IOCTL_XRUN(r8, 0x4148, 0x0) ioctl$SOUND_MIXER_READ_RECMASK(r8, 0x80044dfd, &(0x7f0000000080)) ioctl$SOUND_MIXER_READ_RECSRC(r8, 0x80044dff, &(0x7f00000000c0)) 22:53:33 executing program 4: r0 = syz_open_dev$ndb(&(0x7f0000000000)='/dev/nbd#\x00', 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, 0xffffffffffffffff) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x13e) r1 = syz_open_dev$ndb(&(0x7f0000000140)='/dev/nbd#\x00', 0x0, 0x0) ioctl$NBD_CLEAR_SOCK(r1, 0xab04) ioctl$NBD_SET_SOCK(r0, 0xab03, 0xffffffffffffffff) 22:53:33 executing program 2: r0 = openat$snapshot(0xffffffffffffff9c, &(0x7f0000000000)='/dev/snapshot\x00', 0x4001, 0x0) ioctl$SNAPSHOT_S2RAM(r0, 0x40043311) 22:53:33 executing program 4: r0 = syz_open_dev$ndb(&(0x7f0000000000)='/dev/nbd#\x00', 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, 0xffffffffffffffff) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x13e) r1 = syz_open_dev$ndb(&(0x7f0000000140)='/dev/nbd#\x00', 0x0, 0x0) ioctl$NBD_CLEAR_SOCK(r1, 0xab04) ioctl$NBD_SET_SOCK(r0, 0xab03, 0xffffffffffffffff) [ 1990.663461] block nbd0: shutting down sockets 22:53:33 executing program 3: r0 = syz_open_dev$ndb(&(0x7f0000000000)='/dev/nbd#\x00', 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x13e) ioctl$NBD_SET_SOCK(r0, 0xab03, 0xffffffffffffffff) 22:53:33 executing program 1: r0 = syz_open_dev$ndb(&(0x7f0000000000)='/dev/nbd#\x00', 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) ioctl$NBD_SET_SOCK(r0, 0xab03, 0xffffffffffffffff) 22:53:33 executing program 4: r0 = syz_open_dev$ndb(&(0x7f0000000000)='/dev/nbd#\x00', 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, 0xffffffffffffffff) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x13e) r1 = syz_open_dev$ndb(&(0x7f0000000140)='/dev/nbd#\x00', 0x0, 0x0) ioctl$NBD_CLEAR_SOCK(r1, 0xab04) ioctl$NBD_SET_SOCK(r0, 0xab03, 0xffffffffffffffff) 22:53:33 executing program 0: r0 = syz_open_dev$ndb(&(0x7f0000000000)='/dev/nbd#\x00', 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff, 0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r3 = syz_open_dev$ndb(&(0x7f0000000140)='/dev/nbd#\x00', 0x0, 0x0) ioctl$SNDRV_PCM_IOCTL_HW_PARAMS(0xffffffffffffffff, 0xc2604111, &(0x7f00000001c0)={0x1f, [[0x0, 0x0, 0x9, 0x9, 0x5, 0x0, 0x8000, 0xfffffffc], [0x2, 0x1000, 0x3, 0x5, 0x10000, 0x7fffffff], [0xf, 0xfffffffe, 0xfffffffd, 0x80000000, 0x0, 0x8000, 0x20, 0x48303475]], [], [{0x4, 0x1e, 0x1, 0x0, 0x1, 0x1}, {0x6, 0x80000000, 0x0, 0x0, 0x0, 0x1}, {0x5, 0x800c, 0x1, 0x1, 0x1}, {0x8, 0x5af3, 0x1, 0x0, 0x0, 0x1}, {0xfd, 0xea98, 0x1, 0x0, 0x1, 0x1}, {0x80000000, 0x10001, 0x0, 0x1}, {0x7ff, 0x8, 0x0, 0x1, 0x0, 0x1}, {0x4, 0x8, 0x1, 0x1, 0x1, 0x1}, {0x80, 0x6, 0x0, 0x0, 0x0, 0x1}, {0x7fff, 0x0, 0x0, 0x1, 0x1}, {0x99, 0x7, 0x0, 0x0, 0x0, 0x1}, {0x1, 0x5, 0x1, 0x1, 0x1, 0x1}], [], 0x8}) ioctl$mixer_OSS_GETVERSION(r2, 0x80044d76, &(0x7f0000000440)) ioctl$NBD_CLEAR_SOCK(r3, 0xab04) sendmsg$MPTCP_PM_CMD_GET_ADDR(0xffffffffffffffff, &(0x7f0000000180)={&(0x7f0000000080)={0x10, 0x0, 0x0, 0x40}, 0xc, &(0x7f0000000100)={&(0x7f00000000c0)={0x34, 0x0, 0x8, 0x70bd26, 0x25dfdbfd, {}, [@MPTCP_PM_ATTR_SUBFLOWS={0x8, 0x3, 0x8}, @MPTCP_PM_ATTR_RCV_ADD_ADDRS={0x8}, @MPTCP_PM_ATTR_RCV_ADD_ADDRS={0x8, 0x2, 0x2}, @MPTCP_PM_ATTR_RCV_ADD_ADDRS={0x8}]}, 0x34}, 0x1, 0x0, 0x0, 0xd1}, 0x4040) r4 = socket$nl_generic(0x10, 0x3, 0x10) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f00000005c0)={0xffffffffffffffff}) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000600)={0xffffffffffffffff}) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000640)={0xffffffffffffffff}) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000680)={0xffffffffffffffff}) sendmsg$NBD_CMD_DISCONNECT(r4, &(0x7f0000000580)={&(0x7f0000000480)={0x10, 0x0, 0x0, 0x100000}, 0xc, &(0x7f0000000540)={&(0x7f00000006c0)={0xac, 0x0, 0x100, 0x70bd2c, 0x25dfdbfd, {}, [@NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x4f}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x103}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0xfffffffffffff001}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x108}, @NBD_ATTR_SERVER_FLAGS={0xc}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x40}, @NBD_ATTR_SOCKETS={0x44, 0x7, 0x0, 0x1, [{0x8, 0x1, r1}, {0x8, 0x1, r1}, {0x8, 0x1, r5}, {0x8, 0x1, r6}, {0x8, 0x1, r7}, {0x8, 0x1, r1}, {0x8}, {0x8, 0x1, r8}]}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x3}]}, 0xac}, 0x1, 0x0, 0x0, 0x40804}, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab03, 0xffffffffffffffff) 22:53:33 executing program 2: r0 = openat$snapshot(0xffffffffffffff9c, &(0x7f0000000000)='/dev/snapshot\x00', 0x4001, 0x0) ioctl$SNAPSHOT_S2RAM(r0, 0x40043311) [ 1991.233001] block nbd3: Receive control failed (result -32) [ 1991.233159] block nbd3: shutting down sockets [ 1991.268067] block nbd1: Receive control failed (result -32) [ 1991.274225] block nbd1: shutting down sockets 22:53:33 executing program 5: r0 = syz_open_dev$ndb(&(0x7f0000000000)='/dev/nbd#\x00', 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x13e) syz_open_dev$ndb(&(0x7f0000000140)='/dev/nbd#\x00', 0x0, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab03, 0xffffffffffffffff) [ 1991.329245] block nbd5: Receive control failed (result -32) [ 1991.335381] block nbd5: shutting down sockets [ 1991.366517] block nbd0: shutting down sockets 22:53:33 executing program 4: r0 = syz_open_dev$ndb(&(0x7f0000000000)='/dev/nbd#\x00', 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(0xffffffffffffffff, 0xab00, r1) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x13e) r2 = syz_open_dev$ndb(&(0x7f0000000140)='/dev/nbd#\x00', 0x0, 0x0) ioctl$NBD_CLEAR_SOCK(r2, 0xab04) ioctl$NBD_SET_SOCK(r0, 0xab03, 0xffffffffffffffff) 22:53:34 executing program 0: r0 = openat$snapshot(0xffffffffffffff9c, &(0x7f0000000000)='/dev/snapshot\x00', 0x0, 0x0) ioctl$SNAPSHOT_S2RAM(r0, 0x40043311) r1 = syz_mount_image$hpfs(&(0x7f0000000040)='hpfs\x00', &(0x7f0000000080)='./file0\x00', 0x3, 0x2, &(0x7f0000001140)=[{&(0x7f00000000c0)="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", 0x1000, 0x5}, {&(0x7f00000010c0)="8d0fa5a7152462d81e3fd8a4e170675aa81cd3f55ea20c62c3fa95b70824642a122a1c75b5f5b7a3bcca70da3e3c39bc2bd9a0e9b0a26a4e7701c34808c62335e3089be39cc58d358d", 0x49, 0x7}], 0x800000, &(0x7f0000001180)={[{'/dev/snapshot\x00'}, {'\xe2}'}, {'/dev/snapshot\x00'}], [{@fsmagic={'fsmagic', 0x3d, 0x1}}, {@euid_lt={'euid<', 0xee01}}, {@pcr={'pcr', 0x3d, 0x1e}}, {@obj_role={'obj_role', 0x3d, '#-*#\\%'}}]}) ioctl$BTRFS_IOC_SCRUB(r1, 0xc400941b, &(0x7f0000001200)={0x0, 0x7ff, 0x2}) 22:53:34 executing program 2: openat$snapshot(0xffffffffffffff9c, &(0x7f0000000000)='/dev/snapshot\x00', 0x4001, 0x0) 22:53:34 executing program 4: r0 = syz_open_dev$ndb(&(0x7f0000000000)='/dev/nbd#\x00', 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(0xffffffffffffffff, 0xab00, r1) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x13e) r2 = syz_open_dev$ndb(&(0x7f0000000140)='/dev/nbd#\x00', 0x0, 0x0) ioctl$NBD_CLEAR_SOCK(r2, 0xab04) ioctl$NBD_SET_SOCK(r0, 0xab03, 0xffffffffffffffff) [ 1991.541852] hpfs: bad mount options. 22:53:34 executing program 0: r0 = syz_open_dev$ndb(&(0x7f0000000000)='/dev/nbd#\x00', 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = syz_open_dev$ndb(&(0x7f0000000140)='/dev/nbd#\x00', 0x0, 0x0) ioctl$NBD_CLEAR_SOCK(r2, 0xab04) ioctl$NBD_SET_SOCK(r0, 0x80081270, 0xffffffffffffffff) 22:53:34 executing program 2: openat$snapshot(0xffffffffffffff9c, &(0x7f0000000000)='/dev/snapshot\x00', 0x4001, 0x0) [ 1991.686156] block nbd0: shutting down sockets 22:53:34 executing program 3: r0 = syz_open_dev$ndb(&(0x7f0000000000)='/dev/nbd#\x00', 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) ioctl$NBD_SET_SOCK(r0, 0xab03, 0xffffffffffffffff) [ 1992.130764] block nbd3: Receive control failed (result -32) [ 1992.137926] block nbd3: shutting down sockets 22:53:34 executing program 1: r0 = syz_open_dev$ndb(&(0x7f0000000000)='/dev/nbd#\x00', 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) ioctl$NBD_SET_SOCK(r0, 0xab03, 0xffffffffffffffff) 22:53:34 executing program 4: r0 = syz_open_dev$ndb(&(0x7f0000000000)='/dev/nbd#\x00', 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(0xffffffffffffffff, 0xab00, r1) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x13e) r2 = syz_open_dev$ndb(&(0x7f0000000140)='/dev/nbd#\x00', 0x0, 0x0) ioctl$NBD_CLEAR_SOCK(r2, 0xab04) ioctl$NBD_SET_SOCK(r0, 0xab03, 0xffffffffffffffff) 22:53:34 executing program 0: r0 = syz_open_dev$ndb(&(0x7f0000000000)='/dev/nbd#\x00', 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = syz_open_dev$ndb(&(0x7f0000000140)='/dev/nbd#\x00', 0x0, 0x0) ioctl$NBD_CLEAR_SOCK(r2, 0xab04) ioctl$NBD_SET_SOCK(r0, 0x80081270, 0xffffffffffffffff) 22:53:34 executing program 2: openat$snapshot(0xffffffffffffff9c, 0x0, 0x4001, 0x0) [ 1992.207813] block nbd1: Receive control failed (result -32) [ 1992.213891] block nbd1: shutting down sockets [ 1992.257662] block nbd5: Receive control failed (result -32) [ 1992.263850] block nbd5: shutting down sockets 22:53:34 executing program 5: openat$snapshot(0xffffffffffffff9c, &(0x7f0000000000)='/dev/snapshot\x00', 0x4001, 0x0) 22:53:34 executing program 2: openat$snapshot(0xffffffffffffff9c, 0x0, 0x4001, 0x0) 22:53:34 executing program 4: r0 = syz_open_dev$ndb(&(0x7f0000000000)='/dev/nbd#\x00', 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)) ioctl$NBD_SET_SOCK(r0, 0xab00, 0xffffffffffffffff) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x13e) r1 = syz_open_dev$ndb(&(0x7f0000000140)='/dev/nbd#\x00', 0x0, 0x0) ioctl$NBD_CLEAR_SOCK(r1, 0xab04) ioctl$NBD_SET_SOCK(r0, 0xab03, 0xffffffffffffffff) [ 1992.343086] block nbd0: shutting down sockets 22:53:34 executing program 0: r0 = syz_open_dev$ndb(&(0x7f0000000000)='/dev/nbd#\x00', 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$DRM_IOCTL_GEM_FLINK(0xffffffffffffffff, 0xc008640a, &(0x7f0000000200)) r2 = syz_open_dev$dri(&(0x7f0000001400)='/dev/dri/card#\x00', 0x0, 0x0) ioctl$DRM_IOCTL_MODE_CREATEPROPBLOB(r2, 0xc01064bd, &(0x7f0000001480)={0x0}) ioctl$DRM_IOCTL_MODE_CREATEPROPBLOB(r2, 0xc01064bd, &(0x7f0000000300)={&(0x7f0000000240)="8efe86855e8b1dd41d0b567340ecf0cb4aa8a845a2caa0b8722df257e6c50ce5fa25d4fe23fed0dd8e1ae579c5d1d8f006f035573fad65a68c3a27fcf9ac5104fac33be53dad024c26b170ee525c9634f091222576431029c56a2cf8db0b96cb2556d26bccea485bb1bcf9a2ed3f953af2e2bc0e9574f7befa7eb81d2524dc11fdd0a036245e44502147c56afd77325195d40372036d", 0x96}) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) ioctl$FBIOPUTCMAP(0xffffffffffffffff, 0x4605, &(0x7f00000001c0)={0x8001, 0x7, &(0x7f0000000040)=[0x4, 0x101, 0x401, 0x2, 0xcb0, 0x5, 0xeab], &(0x7f00000000c0)=[0x6, 0x101, 0x0, 0x8, 0x7ff, 0x683d, 0xaa28, 0x1, 0x3f, 0x1], &(0x7f0000000100)=[0x7fff], &(0x7f0000000180)=[0x3, 0xe1b]}) r3 = syz_open_dev$ndb(&(0x7f0000000140)='/dev/nbd#\x00', 0x0, 0x0) ioctl$NBD_CLEAR_SOCK(r3, 0xab04) ioctl$NBD_SET_SOCK(r0, 0xab03, r1) 22:53:34 executing program 2: openat$snapshot(0xffffffffffffff9c, 0x0, 0x4001, 0x0) 22:53:34 executing program 4: r0 = syz_open_dev$ndb(&(0x7f0000000000)='/dev/nbd#\x00', 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)) ioctl$NBD_SET_SOCK(r0, 0xab00, 0xffffffffffffffff) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x13e) r1 = syz_open_dev$ndb(&(0x7f0000000140)='/dev/nbd#\x00', 0x0, 0x0) ioctl$NBD_CLEAR_SOCK(r1, 0xab04) ioctl$NBD_SET_SOCK(r0, 0xab03, 0xffffffffffffffff) 22:53:35 executing program 2: openat$snapshot(0xffffffffffffff9c, &(0x7f0000000000)='/dev/snapshot\x00', 0x0, 0x0) [ 1992.473879] block nbd0: shutting down sockets 22:53:35 executing program 3: r0 = syz_open_dev$ndb(&(0x7f0000000000)='/dev/nbd#\x00', 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) ioctl$NBD_SET_SOCK(r0, 0xab03, 0xffffffffffffffff) [ 1993.002204] block nbd3: Receive control failed (result -32) [ 1993.008116] block nbd3: shutting down sockets 22:53:35 executing program 1: r0 = syz_open_dev$ndb(&(0x7f0000000000)='/dev/nbd#\x00', 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) ioctl$NBD_SET_SOCK(r0, 0xab03, 0xffffffffffffffff) 22:53:35 executing program 4: r0 = syz_open_dev$ndb(&(0x7f0000000000)='/dev/nbd#\x00', 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)) ioctl$NBD_SET_SOCK(r0, 0xab00, 0xffffffffffffffff) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x13e) r1 = syz_open_dev$ndb(&(0x7f0000000140)='/dev/nbd#\x00', 0x0, 0x0) ioctl$NBD_CLEAR_SOCK(r1, 0xab04) ioctl$NBD_SET_SOCK(r0, 0xab03, 0xffffffffffffffff) 22:53:35 executing program 5: openat$snapshot(0xffffffffffffff9c, &(0x7f0000000000)='/dev/snapshot\x00', 0x4001, 0x0) 22:53:35 executing program 0: r0 = syz_open_dev$ndb(&(0x7f0000000000)='/dev/nbd#\x00', 0x0, 0x0) ioctl$NBD_DO_IT(r0, 0xab03) ioctl$SNAPSHOT_S2RAM(0xffffffffffffffff, 0x330b) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x105402) ioctl$NBD_CLEAR_SOCK(r2, 0xab04) ioctl$NBD_SET_SOCK(r0, 0xab03, 0xffffffffffffffff) 22:53:35 executing program 2: openat$snapshot(0xffffffffffffff9c, &(0x7f0000000000)='/dev/snapshot\x00', 0x0, 0x0) [ 1993.143263] block nbd1: Receive control failed (result -32) [ 1993.143552] block nbd1: shutting down sockets 22:53:35 executing program 2: openat$snapshot(0xffffffffffffff9c, &(0x7f0000000000)='/dev/snapshot\x00', 0x0, 0x0) [ 1993.215892] block nbd0: shutting down sockets 22:53:35 executing program 4: r0 = syz_open_dev$ndb(&(0x7f0000000000)='/dev/nbd#\x00', 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) ioctl$NBD_SET_FLAGS(0xffffffffffffffff, 0xab0a, 0x13e) r2 = syz_open_dev$ndb(&(0x7f0000000140)='/dev/nbd#\x00', 0x0, 0x0) ioctl$NBD_CLEAR_SOCK(r2, 0xab04) ioctl$NBD_SET_SOCK(r0, 0xab03, 0xffffffffffffffff) 22:53:35 executing program 0: r0 = openat$snapshot(0xffffffffffffff9c, &(0x7f0000000000)='/dev/snapshot\x00', 0x400, 0x0) openat$mixer(0xffffffffffffff9c, &(0x7f00000001c0)='/dev/mixer\x00', 0x200000, 0x0) ioctl$SNAPSHOT_S2RAM(r0, 0x330f) socket$vsock_dgram(0x28, 0x2, 0x0) r1 = openat$dlm_control(0xffffffffffffff9c, &(0x7f0000000040)='/dev/dlm-control\x00', 0x200080, 0x0) syz_genetlink_get_family_id$nbd(&(0x7f00000000c0)='nbd\x00') r2 = openat$dlm_control(0xffffffffffffff9c, &(0x7f0000000000)='/dev/dlm-control\x00', 0x0, 0x0) ioctl$SNDRV_PCM_IOCTL_XRUN(r2, 0x4148, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000100)={0xffffffffffffffff}) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000140)={0xffffffffffffffff}) r5 = openat$dlm_control(0xffffffffffffff9c, &(0x7f0000000180)='/dev/dlm-control\x00', 0x1, 0x0) r6 = openat$sequencer(0xffffffffffffff9c, &(0x7f0000000340)='/dev/sequencer\x00', 0xca680, 0x0) ioctl$SNDCTL_SEQ_PANIC(r6, 0x5111) ioctl$SNDCTL_SEQ_RESET(r6, 0x5100) sendmsg$NBD_CMD_STATUS(r1, &(0x7f0000000280)={&(0x7f0000000080)={0x10, 0x0, 0x0, 0x4000000}, 0xc, &(0x7f0000000240)={&(0x7f00000002c0)=ANY=[@ANYBLOB="6cdd8900", @ANYRESHEX=r5, @ANYBLOB="100029bd7000ffdbdf25050000000c000400cbda0000000000000c00060003000000000000003400078008000100", @ANYRES32=r2, @ANYBLOB="08000100", @ANYRES32=r3, @ANYBLOB="08000100", @ANYRES32=r4, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32=r5, @ANYBLOB="0c0006000300000000000000"], 0x6c}, 0x1, 0x0, 0x0, 0x8090}, 0x80) r7 = openat$fb0(0xffffffffffffff9c, &(0x7f0000000380)='/dev/fb0\x00', 0x0, 0x0) ioctl$BTRFS_IOC_RESIZE(r7, 0x50009403, 0x0) ioctl$BTRFS_IOC_RESIZE(r4, 0x50009403, &(0x7f0000000200)={{r7}, {@val, @actul_num={@void, 0x5, 0x74}}}) 22:53:35 executing program 5: openat$snapshot(0xffffffffffffff9c, &(0x7f0000000000)='/dev/snapshot\x00', 0x4001, 0x0) [ 1993.350123] block nbd4: shutting down sockets 22:53:35 executing program 0: r0 = syz_open_dev$ndb(&(0x7f0000000000)='/dev/nbd#\x00', 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) ioctl$SNDRV_PCM_IOCTL_DRAIN(0xffffffffffffffff, 0x4144, 0x0) r2 = syz_open_dev$ndb(&(0x7f0000000140)='/dev/nbd#\x00', 0x0, 0x8400) ioctl$NBD_CLEAR_SOCK(r2, 0xab04) ioctl$NBD_SET_SOCK(r0, 0xab03, 0xffffffffffffffff) 22:53:35 executing program 2: r0 = openat$sequencer2(0xffffffffffffff9c, &(0x7f0000000040)='/dev/sequencer2\x00', 0x22880, 0x0) ioctl$BTRFS_IOC_BALANCE_V2(0xffffffffffffffff, 0xc4009420, &(0x7f0000000080)={0x1, 0x4, {0x4, @struct={0x5, 0x26b}, 0x0, 0x0, 0x69e9, 0x3, 0x1, 0x2, 0xe2, @usage=0x20, 0x1ff, 0x0, [0x9, 0xff, 0xa93, 0x7, 0xbf8000000, 0x9f]}, {0x72, @struct={0x0, 0x3ff}, 0x0, 0xffffffffffffffff, 0x67, 0x3ff, 0x3f, 0x6, 0x4, @usage=0x101, 0x2f3, 0x1, [0x3, 0x8, 0xffffffffffffcf3d, 0x1, 0xe00000000000000, 0x5]}, {0x4, @usage=0xf4, 0x0, 0x52, 0x8000, 0x0, 0x8, 0x5, 0x1, @struct={0x2, 0x4}, 0x1, 0x6, [0x78, 0x3, 0x4, 0x0, 0x0, 0x9]}, {0xa33, 0xffff, 0x9}}) ioctl$BTRFS_IOC_RESIZE(r0, 0x50009403, &(0x7f0000000480)={{}, {@val={r1}, @actul_num={@val=0x2b, 0x1, 0x65}}}) openat$snapshot(0xffffffffffffff9c, &(0x7f0000000000)='/dev/snapshot\x00', 0x0, 0x0) [ 1993.470891] block nbd0: shutting down sockets 22:53:36 executing program 3: r0 = syz_open_dev$ndb(&(0x7f0000000000)='/dev/nbd#\x00', 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) ioctl$NBD_SET_SOCK(r0, 0xab03, 0xffffffffffffffff) [ 1993.875061] block nbd3: Receive control failed (result -32) [ 1993.875392] block nbd3: shutting down sockets 22:53:36 executing program 1: r0 = syz_open_dev$ndb(&(0x7f0000000000)='/dev/nbd#\x00', 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x13e) ioctl$NBD_SET_SOCK(r0, 0xab03, 0xffffffffffffffff) 22:53:36 executing program 4: r0 = syz_open_dev$ndb(&(0x7f0000000000)='/dev/nbd#\x00', 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) ioctl$NBD_SET_FLAGS(0xffffffffffffffff, 0xab0a, 0x13e) r2 = syz_open_dev$ndb(&(0x7f0000000140)='/dev/nbd#\x00', 0x0, 0x0) ioctl$NBD_CLEAR_SOCK(r2, 0xab04) ioctl$NBD_SET_SOCK(r0, 0xab03, 0xffffffffffffffff) 22:53:36 executing program 0: r0 = socket$nl_generic(0x10, 0x3, 0x10) sendmsg$MPTCP_PM_CMD_SET_LIMITS(r0, &(0x7f0000000c80)={&(0x7f0000000bc0)={0x10, 0x0, 0x0, 0x20400000}, 0xc, &(0x7f0000000c40)={&(0x7f0000000c00)={0x14}, 0x14}}, 0x0) sendmsg$MPTCP_PM_CMD_FLUSH_ADDRS(r0, &(0x7f00000023c0)={&(0x7f0000002300)={0x10, 0x0, 0x0, 0x40000000}, 0xc, &(0x7f0000002380)={&(0x7f0000002340)={0x20, 0x0, 0x8, 0x70bd26, 0x25dfdbff, {}, [@MPTCP_PM_ATTR_RCV_ADD_ADDRS={0x8, 0x2, 0x7}, @MPTCP_PM_ATTR_ADDR={0x4}]}, 0x20}, 0x1, 0x0, 0x0, 0x1}, 0x24008844) read$FUSE(0xffffffffffffffff, &(0x7f0000000200)={0x2020, 0x0, 0x0, 0x0}, 0x2020) r2 = socket$nl_generic(0x10, 0x3, 0x10) sendmsg$MPTCP_PM_CMD_SET_LIMITS(r2, &(0x7f0000000c80)={&(0x7f0000000bc0)={0x10, 0x0, 0x0, 0x20400000}, 0xc, &(0x7f0000000c40)={&(0x7f0000000c00)={0x14}, 0x14}}, 0x0) getsockname$packet(0xffffffffffffffff, &(0x7f0000002480)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @dev}, &(0x7f00000024c0)=0x14) sendmsg$MPTCP_PM_CMD_DEL_ADDR(r2, &(0x7f0000002600)={&(0x7f0000002440)={0x10, 0x0, 0x0, 0x200000}, 0xc, &(0x7f00000025c0)={&(0x7f0000002500)={0x94, 0x0, 0x100, 0x70bd2d, 0x25dfdbff, {}, [@MPTCP_PM_ATTR_RCV_ADD_ADDRS={0x8, 0x2, 0x6}, @MPTCP_PM_ATTR_ADDR={0x48, 0x1, 0x0, 0x1, [@MPTCP_PM_ADDR_ATTR_ID={0x5, 0x2, 0x57}, @MPTCP_PM_ADDR_ATTR_ADDR4={0x8, 0x3, @private=0xa010101}, @MPTCP_PM_ADDR_ATTR_FAMILY={0x6, 0x1, 0xa}, @MPTCP_PM_ADDR_ATTR_ADDR6={0x14, 0x4, @loopback}, @MPTCP_PM_ADDR_ATTR_PORT={0x6, 0x5, 0x4e23}, @MPTCP_PM_ADDR_ATTR_PORT={0x6, 0x5, 0x4e21}, @MPTCP_PM_ADDR_ATTR_FLAGS={0x8, 0x6, 0x6}]}, @MPTCP_PM_ATTR_ADDR={0xc, 0x1, 0x0, 0x1, [@MPTCP_PM_ADDR_ATTR_IF_IDX={0x8, 0x7, r3}]}, @MPTCP_PM_ATTR_ADDR={0x18, 0x1, 0x0, 0x1, [@MPTCP_PM_ADDR_ATTR_ADDR6={0x14, 0x4, @initdev={0xfe, 0x88, [], 0x1, 0x0}}]}, @MPTCP_PM_ATTR_ADDR={0x4}, @MPTCP_PM_ATTR_SUBFLOWS={0x8, 0x3, 0x6}]}, 0x94}, 0x1, 0x0, 0x0, 0x840}, 0x4008800) syz_mount_image$hpfs(&(0x7f0000000040)='hpfs\x00', &(0x7f0000000080)='./file0\x00', 0x74, 0x2, &(0x7f00000001c0)=[{&(0x7f00000000c0)="3dd6cf8ab6301e4759918c2367797cf800421dc598aa47fbd8279e87f3bafdbb3fe053b699b12ab8d39afcf911c8288750c0799c", 0x34, 0x8}, {&(0x7f0000000100)="e017804191e31b399ab32b2c4423e3166d107508b4930cbcddea2da8c9a0cd47e2e04cd15df5c7935e3f95d5ccc4c2e9ed71fd3a35dc13046a95620ae0cfd01c61c3841fcf3ee8fd7062d9b2de714854eee0da2f2733ad43fdb81f7e15940132434f619d1ddf421d5fb1517358196c00c169ff4f18c2fc0fb46d3e69c4e3347913215e6d61daec0260509357a1bd8b8f7745", 0x92, 0x8001}], 0x822000, &(0x7f0000002240)={[{'/dev/snapshot\x00'}, {}, {'/dev/snapshot\x00'}, {'&:'}, {'/dev/snapshot\x00'}, {'#*\v'}, {}, {'%}'}], [{@subj_role={'subj_role', 0x3d, '/dev/snapshot\x00'}}, {@dont_hash='dont_hash'}, {@mask={'mask', 0x3d, '^MAY_WRITE'}}, {@smackfshat={'smackfshat', 0x3d, '/dev/snapshot\x00'}}, {@uid_lt={'uid<', r1}}]}) syz_open_dev$sndpcmp(&(0x7f0000002400)='/dev/snd/pcmC#D#p\x00', 0x0, 0x8002) r4 = openat$snapshot(0xffffffffffffff9c, &(0x7f0000000000)='/dev/snapshot\x00', 0x0, 0x0) ioctl$SNAPSHOT_S2RAM(r4, 0x330f) 22:53:36 executing program 2: r0 = openat$sequencer2(0xffffffffffffff9c, &(0x7f0000000040)='/dev/sequencer2\x00', 0x22880, 0x0) ioctl$BTRFS_IOC_BALANCE_V2(0xffffffffffffffff, 0xc4009420, &(0x7f0000000080)={0x1, 0x4, {0x4, @struct={0x5, 0x26b}, 0x0, 0x0, 0x69e9, 0x3, 0x1, 0x2, 0xe2, @usage=0x20, 0x1ff, 0x0, [0x9, 0xff, 0xa93, 0x7, 0xbf8000000, 0x9f]}, {0x72, @struct={0x0, 0x3ff}, 0x0, 0xffffffffffffffff, 0x67, 0x3ff, 0x3f, 0x6, 0x4, @usage=0x101, 0x2f3, 0x1, [0x3, 0x8, 0xffffffffffffcf3d, 0x1, 0xe00000000000000, 0x5]}, {0x4, @usage=0xf4, 0x0, 0x52, 0x8000, 0x0, 0x8, 0x5, 0x1, @struct={0x2, 0x4}, 0x1, 0x6, [0x78, 0x3, 0x4, 0x0, 0x0, 0x9]}, {0xa33, 0xffff, 0x9}}) ioctl$BTRFS_IOC_RESIZE(r0, 0x50009403, &(0x7f0000000480)={{}, {@val={r1}, @actul_num={@val=0x2b, 0x1, 0x65}}}) openat$snapshot(0xffffffffffffff9c, &(0x7f0000000000)='/dev/snapshot\x00', 0x0, 0x0) 22:53:36 executing program 5: openat$snapshot(0xffffffffffffff9c, 0x0, 0x4001, 0x0) [ 1994.048073] block nbd1: Receive control failed (result -32) [ 1994.055910] block nbd1: shutting down sockets [ 1994.122677] block nbd4: shutting down sockets 22:53:36 executing program 2: r0 = syz_open_dev$ndb(&(0x7f0000000000)='/dev/nbd#\x00', 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = syz_open_dev$ndb(&(0x7f0000000140)='/dev/nbd#\x00', 0x0, 0x0) ioctl$NBD_CLEAR_SOCK(r2, 0xab04) ioctl$NBD_SET_SOCK(r0, 0xab0a, 0xffffffffffffffff) 22:53:36 executing program 5: openat$snapshot(0xffffffffffffff9c, 0x0, 0x4001, 0x0) 22:53:36 executing program 4: r0 = syz_open_dev$ndb(&(0x7f0000000000)='/dev/nbd#\x00', 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) ioctl$NBD_SET_FLAGS(0xffffffffffffffff, 0xab0a, 0x13e) r2 = syz_open_dev$ndb(&(0x7f0000000140)='/dev/nbd#\x00', 0x0, 0x0) ioctl$NBD_CLEAR_SOCK(r2, 0xab04) ioctl$NBD_SET_SOCK(r0, 0xab03, 0xffffffffffffffff) 22:53:36 executing program 1: r0 = syz_open_dev$ndb(&(0x7f0000000000)='/dev/nbd#\x00', 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x13e) ioctl$NBD_SET_SOCK(r0, 0xab03, 0xffffffffffffffff) 22:53:36 executing program 0: r0 = syz_open_dev$ndb(&(0x7f0000000000)='/dev/nbd#\x00', 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = syz_open_dev$ndb(&(0x7f0000000140)='/dev/nbd#\x00', 0x0, 0x8400) sendmsg$NBD_CMD_STATUS(r2, &(0x7f00000001c0)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x4}, 0xc, &(0x7f0000000180)={&(0x7f00000000c0)={0x50, 0x0, 0x4, 0x70bd2d, 0x25dfdbfc, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x8}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x3}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x3}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_SERVER_FLAGS={0xc}]}, 0x50}, 0x1, 0x0, 0x0, 0x40}, 0x0) ioctl$NBD_CLEAR_SOCK(r2, 0xab04) ioctl$NBD_SET_SOCK(r0, 0xab03, 0xffffffffffffffff) [ 1994.266534] block nbd2: shutting down sockets [ 1994.277915] block nbd4: shutting down sockets 22:53:36 executing program 1: r0 = syz_open_dev$ndb(&(0x7f0000000000)='/dev/nbd#\x00', 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x13e) ioctl$NBD_SET_SOCK(r0, 0xab03, 0xffffffffffffffff) [ 1994.340332] block nbd0: shutting down sockets 22:53:37 executing program 3: r0 = syz_open_dev$ndb(&(0x7f0000000000)='/dev/nbd#\x00', 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x13e) ioctl$NBD_SET_SOCK(r0, 0xab03, 0xffffffffffffffff) 22:53:37 executing program 5: openat$snapshot(0xffffffffffffff9c, 0x0, 0x4001, 0x0) 22:53:37 executing program 4: r0 = syz_open_dev$ndb(&(0x7f0000000000)='/dev/nbd#\x00', 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x0) r2 = syz_open_dev$ndb(&(0x7f0000000140)='/dev/nbd#\x00', 0x0, 0x0) ioctl$NBD_CLEAR_SOCK(r2, 0xab04) ioctl$NBD_SET_SOCK(r0, 0xab03, 0xffffffffffffffff) 22:53:37 executing program 2: r0 = syz_open_dev$ndb(&(0x7f0000000000)='/dev/nbd#\x00', 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = syz_open_dev$ndb(&(0x7f0000000140)='/dev/nbd#\x00', 0x0, 0x0) ioctl$NBD_CLEAR_SOCK(r2, 0xab04) r3 = openat$dlm_control(0xffffffffffffff9c, &(0x7f0000000000)='/dev/dlm-control\x00', 0x0, 0x0) ioctl$SNDRV_PCM_IOCTL_XRUN(r3, 0x4148, 0x0) r4 = openat$dlm_control(0xffffffffffffff9c, &(0x7f0000000000)='/dev/dlm-control\x00', 0x0, 0x0) ioctl$SNDRV_PCM_IOCTL_XRUN(r4, 0x4148, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab03, r4) 22:53:37 executing program 0: r0 = openat$snapshot(0xffffffffffffff9c, &(0x7f0000000040)='/dev/snapshot\x00', 0x40181, 0x0) ioctl$SNAPSHOT_S2RAM(r0, 0x330f) 22:53:37 executing program 1: r0 = syz_open_dev$ndb(&(0x7f0000000000)='/dev/nbd#\x00', 0x0, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, 0xffffffffffffffff) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x13e) ioctl$NBD_SET_SOCK(r0, 0xab03, 0xffffffffffffffff) [ 1994.745940] block nbd3: Receive control failed (result -32) [ 1994.746119] block nbd3: shutting down sockets [ 1994.812538] block nbd4: shutting down sockets [ 1994.816220] block nbd2: shutting down sockets 22:53:37 executing program 1: r0 = syz_open_dev$ndb(&(0x7f0000000000)='/dev/nbd#\x00', 0x0, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, 0xffffffffffffffff) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x13e) ioctl$NBD_SET_SOCK(r0, 0xab03, 0xffffffffffffffff) 22:53:37 executing program 2: r0 = syz_open_dev$ndb(&(0x7f0000000000)='/dev/nbd#\x00', 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = syz_open_dev$ndb(&(0x7f0000000140)='/dev/nbd#\x00', 0x0, 0x8400) ioctl$NBD_CLEAR_SOCK(r2, 0xab04) ioctl$NBD_SET_SOCK(r0, 0xab03, 0xffffffffffffffff) r3 = socket$nl_generic(0x10, 0x3, 0x10) sendmsg$MPTCP_PM_CMD_SET_LIMITS(r3, &(0x7f0000000c80)={&(0x7f0000000bc0)={0x10, 0x0, 0x0, 0x20400000}, 0xc, &(0x7f0000000c40)={&(0x7f0000000c00)={0x14}, 0x14}}, 0x0) sendmsg$MPTCP_PM_CMD_FLUSH_ADDRS(r3, &(0x7f0000000180)={&(0x7f0000000080)={0x10, 0x0, 0x0, 0x4}, 0xc, &(0x7f0000000100)={&(0x7f00000000c0)={0x1c, 0x0, 0x20, 0x70bd2c, 0x25dfdbfd, {}, [@MPTCP_PM_ATTR_RCV_ADD_ADDRS={0x8, 0x2, 0x2}]}, 0x1c}}, 0x0) 22:53:37 executing program 3: r0 = syz_open_dev$ndb(&(0x7f0000000000)='/dev/nbd#\x00', 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x13e) ioctl$NBD_SET_SOCK(r0, 0xab03, 0xffffffffffffffff) 22:53:37 executing program 5: openat$snapshot(0xffffffffffffff9c, &(0x7f0000000000)='/dev/snapshot\x00', 0x0, 0x0) 22:53:37 executing program 4: r0 = syz_open_dev$ndb(&(0x7f0000000000)='/dev/nbd#\x00', 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x0) r2 = syz_open_dev$ndb(&(0x7f0000000140)='/dev/nbd#\x00', 0x0, 0x0) ioctl$NBD_CLEAR_SOCK(r2, 0xab04) ioctl$NBD_SET_SOCK(r0, 0xab03, 0xffffffffffffffff) 22:53:37 executing program 1: r0 = syz_open_dev$ndb(&(0x7f0000000000)='/dev/nbd#\x00', 0x0, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, 0xffffffffffffffff) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x13e) ioctl$NBD_SET_SOCK(r0, 0xab03, 0xffffffffffffffff) [ 1995.017067] block nbd4: shutting down sockets 22:53:37 executing program 5: openat$snapshot(0xffffffffffffff9c, &(0x7f0000000000)='/dev/snapshot\x00', 0x0, 0x0) 22:53:37 executing program 0: r0 = openat$snapshot(0xffffffffffffff9c, &(0x7f0000000040)='/dev/snapshot\x00', 0x40181, 0x0) ioctl$SNAPSHOT_S2RAM(r0, 0x330f) [ 1995.037287] block nbd2: shutting down sockets 22:53:37 executing program 3: r0 = syz_open_dev$ndb(&(0x7f0000000000)='/dev/nbd#\x00', 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x13e) ioctl$NBD_SET_SOCK(r0, 0xab03, 0xffffffffffffffff) 22:53:37 executing program 1: socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(0xffffffffffffffff, 0xab00, r0) ioctl$NBD_SET_FLAGS(0xffffffffffffffff, 0xab0a, 0x13e) ioctl$NBD_SET_SOCK(0xffffffffffffffff, 0xab03, 0xffffffffffffffff) 22:53:37 executing program 4: r0 = syz_open_dev$ndb(&(0x7f0000000000)='/dev/nbd#\x00', 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x0) r2 = syz_open_dev$ndb(&(0x7f0000000140)='/dev/nbd#\x00', 0x0, 0x0) ioctl$NBD_CLEAR_SOCK(r2, 0xab04) ioctl$NBD_SET_SOCK(r0, 0xab03, 0xffffffffffffffff) 22:53:37 executing program 2: r0 = syz_open_dev$ndb(&(0x7f0000000000)='/dev/nbd#\x00', 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = syz_open_dev$ndb(&(0x7f0000000140)='/dev/nbd#\x00', 0x0, 0x0) r3 = openat$dlm_control(0xffffffffffffff9c, &(0x7f0000000000)='/dev/dlm-control\x00', 0x0, 0x0) ioctl$SNDRV_PCM_IOCTL_XRUN(r3, 0x4148, 0x0) fanotify_mark(0xffffffffffffffff, 0xcb, 0x18, r3, &(0x7f0000000080)='./file0\x00') ioctl$NBD_CLEAR_SOCK(r2, 0xab04) ioctl$NBD_SET_SOCK(r0, 0xab03, 0xffffffffffffffff) 22:53:37 executing program 5: openat$snapshot(0xffffffffffffff9c, &(0x7f0000000000)='/dev/snapshot\x00', 0x0, 0x0) [ 1995.209242] block nbd4: shutting down sockets 22:53:37 executing program 3: r0 = syz_open_dev$ndb(&(0x7f0000000000)='/dev/nbd#\x00', 0x0, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, 0xffffffffffffffff) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x13e) ioctl$NBD_SET_SOCK(r0, 0xab03, 0xffffffffffffffff) 22:53:37 executing program 4: r0 = syz_open_dev$ndb(&(0x7f0000000000)='/dev/nbd#\x00', 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x13e) r2 = syz_open_dev$ndb(0x0, 0x0, 0x0) ioctl$NBD_CLEAR_SOCK(r2, 0xab04) ioctl$NBD_SET_SOCK(r0, 0xab03, 0xffffffffffffffff) 22:53:37 executing program 1: socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(0xffffffffffffffff, 0xab00, r0) ioctl$NBD_SET_FLAGS(0xffffffffffffffff, 0xab0a, 0x13e) ioctl$NBD_SET_SOCK(0xffffffffffffffff, 0xab03, 0xffffffffffffffff) [ 1995.264962] block nbd2: shutting down sockets 22:53:37 executing program 5: r0 = syz_open_dev$ndb(&(0x7f0000000000)='/dev/nbd#\x00', 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) ioctl$mixer_OSS_ALSAEMULVER(0xffffffffffffffff, 0x80044df9, &(0x7f0000000080)) r2 = syz_open_dev$ndb(&(0x7f0000000140)='/dev/nbd#\x00', 0x0, 0x8400) ioctl$NBD_CLEAR_SOCK(r2, 0xab04) ioctl$NBD_SET_SOCK(r0, 0xab03, 0xffffffffffffffff) 22:53:37 executing program 2: openat$snapshot(0xffffffffffffff9c, &(0x7f0000000000)='/dev/snapshot\x00', 0x0, 0x0) ioctl$SNDCTL_TMR_METRONOME(0xffffffffffffffff, 0x40045407) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)) r0 = openat$sequencer(0xffffffffffffff9c, &(0x7f0000000140)='/dev/sequencer\x00', 0x2, 0x0) ioctl$SNDCTL_SEQ_PANIC(r0, 0x5111) ioctl$SNDCTL_SEQ_RESET(r0, 0x5100) 22:53:37 executing program 1: socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(0xffffffffffffffff, 0xab00, r0) ioctl$NBD_SET_FLAGS(0xffffffffffffffff, 0xab0a, 0x13e) ioctl$NBD_SET_SOCK(0xffffffffffffffff, 0xab03, 0xffffffffffffffff) 22:53:37 executing program 0: r0 = openat$snapshot(0xffffffffffffff9c, &(0x7f0000000040)='/dev/snapshot\x00', 0x40181, 0x0) ioctl$SNAPSHOT_S2RAM(r0, 0x330f) 22:53:37 executing program 3: r0 = syz_open_dev$ndb(&(0x7f0000000000)='/dev/nbd#\x00', 0x0, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, 0xffffffffffffffff) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x13e) ioctl$NBD_SET_SOCK(r0, 0xab03, 0xffffffffffffffff) [ 1995.406572] block nbd5: shutting down sockets 22:53:38 executing program 5: r0 = openat$snapshot(0xffffffffffffff9c, &(0x7f0000000000)='/dev/snapshot\x00', 0x125101, 0x0) ioctl$SNAPSHOT_S2RAM(r0, 0x40043311) r1 = openat$dlm_control(0xffffffffffffff9c, &(0x7f0000000000)='/dev/dlm-control\x00', 0x0, 0x0) ioctl$SNDRV_PCM_IOCTL_XRUN(r1, 0x4148, 0x0) ioctl$SNAPSHOT_AVAIL_SWAP_SIZE(r1, 0x80083313, &(0x7f0000000040)) 22:53:38 executing program 1: r0 = syz_open_dev$ndb(0x0, 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x13e) ioctl$NBD_SET_SOCK(r0, 0xab03, 0xffffffffffffffff) 22:53:38 executing program 3: r0 = syz_open_dev$ndb(&(0x7f0000000000)='/dev/nbd#\x00', 0x0, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, 0xffffffffffffffff) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x13e) ioctl$NBD_SET_SOCK(r0, 0xab03, 0xffffffffffffffff) 22:53:38 executing program 2: openat$snapshot(0xffffffffffffff9c, &(0x7f0000000000)='/dev/snapshot\x00', 0x0, 0x0) ioctl$SNDCTL_TMR_METRONOME(0xffffffffffffffff, 0x40045407) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)) r0 = openat$sequencer(0xffffffffffffff9c, &(0x7f0000000140)='/dev/sequencer\x00', 0x2, 0x0) ioctl$SNDCTL_SEQ_PANIC(r0, 0x5111) ioctl$SNDCTL_SEQ_RESET(r0, 0x5100) 22:53:38 executing program 0: openat$snapshot(0xffffffffffffff9c, &(0x7f0000000040)='/dev/snapshot\x00', 0x40181, 0x0) 22:53:38 executing program 4: r0 = syz_open_dev$ndb(&(0x7f0000000000)='/dev/nbd#\x00', 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x13e) r2 = syz_open_dev$ndb(0x0, 0x0, 0x0) ioctl$NBD_CLEAR_SOCK(r2, 0xab04) ioctl$NBD_SET_SOCK(r0, 0xab03, 0xffffffffffffffff) 22:53:38 executing program 1: r0 = syz_open_dev$ndb(0x0, 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x13e) ioctl$NBD_SET_SOCK(r0, 0xab03, 0xffffffffffffffff) 22:53:38 executing program 0: openat$snapshot(0xffffffffffffff9c, &(0x7f0000000040)='/dev/snapshot\x00', 0x40181, 0x0) 22:53:38 executing program 3: socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(0xffffffffffffffff, 0xab00, r0) ioctl$NBD_SET_FLAGS(0xffffffffffffffff, 0xab0a, 0x13e) ioctl$NBD_SET_SOCK(0xffffffffffffffff, 0xab03, 0xffffffffffffffff) 22:53:38 executing program 2: openat$snapshot(0xffffffffffffff9c, &(0x7f0000000000)='/dev/snapshot\x00', 0x0, 0x0) ioctl$SNDCTL_TMR_METRONOME(0xffffffffffffffff, 0x40045407) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)) r0 = openat$sequencer(0xffffffffffffff9c, &(0x7f0000000140)='/dev/sequencer\x00', 0x2, 0x0) ioctl$SNDCTL_SEQ_PANIC(r0, 0x5111) ioctl$SNDCTL_SEQ_RESET(r0, 0x5100) 22:53:38 executing program 5: r0 = openat$snapshot(0xffffffffffffff9c, &(0x7f0000000000)='/dev/snapshot\x00', 0x125101, 0x0) ioctl$SNAPSHOT_S2RAM(r0, 0x40043311) r1 = openat$dlm_control(0xffffffffffffff9c, &(0x7f0000000000)='/dev/dlm-control\x00', 0x0, 0x0) ioctl$SNDRV_PCM_IOCTL_XRUN(r1, 0x4148, 0x0) ioctl$SNAPSHOT_AVAIL_SWAP_SIZE(r1, 0x80083313, &(0x7f0000000040)) [ 1996.124980] block nbd4: Receive control failed (result -32) [ 1996.125105] block nbd4: shutting down sockets 22:53:38 executing program 1: r0 = syz_open_dev$ndb(0x0, 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x13e) ioctl$NBD_SET_SOCK(r0, 0xab03, 0xffffffffffffffff) 22:53:38 executing program 2: openat$snapshot(0xffffffffffffff9c, &(0x7f0000000000)='/dev/snapshot\x00', 0x0, 0x0) ioctl$SNDCTL_TMR_METRONOME(0xffffffffffffffff, 0x40045407) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)) r0 = openat$sequencer(0xffffffffffffff9c, &(0x7f0000000140)='/dev/sequencer\x00', 0x2, 0x0) ioctl$SNDCTL_SEQ_PANIC(r0, 0x5111) 22:53:38 executing program 3: socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(0xffffffffffffffff, 0xab00, r0) ioctl$NBD_SET_FLAGS(0xffffffffffffffff, 0xab0a, 0x13e) ioctl$NBD_SET_SOCK(0xffffffffffffffff, 0xab03, 0xffffffffffffffff) 22:53:38 executing program 0: openat$snapshot(0xffffffffffffff9c, 0x0, 0x40181, 0x0) 22:53:38 executing program 5: openat$snapshot(0xffffffffffffff9c, &(0x7f0000000040)='/dev/snapshot\x00', 0x40181, 0x0) 22:53:38 executing program 3: socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(0xffffffffffffffff, 0xab00, r0) ioctl$NBD_SET_FLAGS(0xffffffffffffffff, 0xab0a, 0x13e) ioctl$NBD_SET_SOCK(0xffffffffffffffff, 0xab03, 0xffffffffffffffff) 22:53:39 executing program 4: r0 = syz_open_dev$ndb(&(0x7f0000000000)='/dev/nbd#\x00', 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x13e) r2 = syz_open_dev$ndb(0x0, 0x0, 0x0) ioctl$NBD_CLEAR_SOCK(r2, 0xab04) ioctl$NBD_SET_SOCK(r0, 0xab03, 0xffffffffffffffff) 22:53:39 executing program 1: r0 = syz_open_dev$ndb(&(0x7f0000000000)='/dev/nbd#\x00', 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, 0xffffffffffffffff) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x13e) ioctl$NBD_SET_SOCK(r0, 0xab03, 0xffffffffffffffff) 22:53:39 executing program 0: openat$snapshot(0xffffffffffffff9c, 0x0, 0x40181, 0x0) 22:53:39 executing program 2: openat$snapshot(0xffffffffffffff9c, &(0x7f0000000000)='/dev/snapshot\x00', 0x0, 0x0) ioctl$SNDCTL_TMR_METRONOME(0xffffffffffffffff, 0x40045407) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)) r0 = openat$sequencer(0xffffffffffffff9c, &(0x7f0000000140)='/dev/sequencer\x00', 0x2, 0x0) ioctl$SNDCTL_SEQ_PANIC(r0, 0x5111) 22:53:39 executing program 3: r0 = syz_open_dev$ndb(0x0, 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x13e) ioctl$NBD_SET_SOCK(r0, 0xab03, 0xffffffffffffffff) 22:53:39 executing program 5: openat$snapshot(0xffffffffffffff9c, &(0x7f0000000040)='/dev/snapshot\x00', 0x40181, 0x0) [ 1997.028886] block nbd4: Receive control failed (result -32) [ 1997.029044] block nbd4: shutting down sockets 22:53:39 executing program 0: openat$snapshot(0xffffffffffffff9c, 0x0, 0x40181, 0x0) 22:53:39 executing program 2: openat$snapshot(0xffffffffffffff9c, &(0x7f0000000000)='/dev/snapshot\x00', 0x0, 0x0) ioctl$SNDCTL_TMR_METRONOME(0xffffffffffffffff, 0x40045407) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)) r0 = openat$sequencer(0xffffffffffffff9c, &(0x7f0000000140)='/dev/sequencer\x00', 0x2, 0x0) ioctl$SNDCTL_SEQ_PANIC(r0, 0x5111) 22:53:39 executing program 1: r0 = syz_open_dev$ndb(&(0x7f0000000000)='/dev/nbd#\x00', 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, 0xffffffffffffffff) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x13e) ioctl$NBD_SET_SOCK(r0, 0xab03, 0xffffffffffffffff) 22:53:39 executing program 3: r0 = syz_open_dev$ndb(0x0, 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x13e) ioctl$NBD_SET_SOCK(r0, 0xab03, 0xffffffffffffffff) 22:53:39 executing program 5: openat$snapshot(0xffffffffffffff9c, &(0x7f0000000040)='/dev/snapshot\x00', 0x40181, 0x0) 22:53:39 executing program 2: openat$snapshot(0xffffffffffffff9c, &(0x7f0000000000)='/dev/snapshot\x00', 0x0, 0x0) ioctl$SNDCTL_TMR_METRONOME(0xffffffffffffffff, 0x40045407) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)) r0 = openat$sequencer(0xffffffffffffff9c, &(0x7f0000000140)='/dev/sequencer\x00', 0x2, 0x0) ioctl$SNDCTL_SEQ_RESET(r0, 0x5100) 22:53:40 executing program 4: r0 = syz_open_dev$ndb(&(0x7f0000000000)='/dev/nbd#\x00', 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x13e) syz_open_dev$ndb(&(0x7f0000000140)='/dev/nbd#\x00', 0x0, 0x0) ioctl$NBD_CLEAR_SOCK(0xffffffffffffffff, 0xab04) ioctl$NBD_SET_SOCK(r0, 0xab03, 0xffffffffffffffff) 22:53:40 executing program 1: r0 = syz_open_dev$ndb(&(0x7f0000000000)='/dev/nbd#\x00', 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, 0xffffffffffffffff) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x13e) ioctl$NBD_SET_SOCK(r0, 0xab03, 0xffffffffffffffff) 22:53:40 executing program 0: openat$snapshot(0xffffffffffffff9c, &(0x7f0000000040)='/dev/snapshot\x00', 0x0, 0x0) 22:53:40 executing program 3: r0 = syz_open_dev$ndb(0x0, 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x13e) ioctl$NBD_SET_SOCK(r0, 0xab03, 0xffffffffffffffff) 22:53:40 executing program 2: openat$snapshot(0xffffffffffffff9c, &(0x7f0000000000)='/dev/snapshot\x00', 0x0, 0x0) ioctl$SNDCTL_TMR_METRONOME(0xffffffffffffffff, 0x40045407) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)) r0 = openat$sequencer(0xffffffffffffff9c, &(0x7f0000000140)='/dev/sequencer\x00', 0x2, 0x0) ioctl$SNDCTL_SEQ_RESET(r0, 0x5100) 22:53:40 executing program 5: openat$snapshot(0xffffffffffffff9c, 0x0, 0x40181, 0x0) [ 1997.953892] block nbd4: Receive control failed (result -32) [ 1997.954051] block nbd4: shutting down sockets 22:53:40 executing program 5: openat$snapshot(0xffffffffffffff9c, 0x0, 0x40181, 0x0) 22:53:40 executing program 3: r0 = syz_open_dev$ndb(&(0x7f0000000000)='/dev/nbd#\x00', 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, 0xffffffffffffffff) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x13e) ioctl$NBD_SET_SOCK(r0, 0xab03, 0xffffffffffffffff) 22:53:40 executing program 0: openat$snapshot(0xffffffffffffff9c, &(0x7f0000000040)='/dev/snapshot\x00', 0x0, 0x0) 22:53:40 executing program 2: openat$snapshot(0xffffffffffffff9c, &(0x7f0000000000)='/dev/snapshot\x00', 0x0, 0x0) ioctl$SNDCTL_TMR_METRONOME(0xffffffffffffffff, 0x40045407) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)) r0 = openat$sequencer(0xffffffffffffff9c, &(0x7f0000000140)='/dev/sequencer\x00', 0x2, 0x0) ioctl$SNDCTL_SEQ_RESET(r0, 0x5100) 22:53:40 executing program 1: r0 = syz_open_dev$ndb(&(0x7f0000000000)='/dev/nbd#\x00', 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(0xffffffffffffffff, 0xab00, r1) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x13e) ioctl$NBD_SET_SOCK(r0, 0xab03, 0xffffffffffffffff) 22:53:40 executing program 5: openat$snapshot(0xffffffffffffff9c, 0x0, 0x40181, 0x0) 22:53:41 executing program 4: r0 = syz_open_dev$ndb(&(0x7f0000000000)='/dev/nbd#\x00', 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x13e) syz_open_dev$ndb(&(0x7f0000000140)='/dev/nbd#\x00', 0x0, 0x0) ioctl$NBD_CLEAR_SOCK(0xffffffffffffffff, 0xab04) ioctl$NBD_SET_SOCK(r0, 0xab03, 0xffffffffffffffff) 22:53:41 executing program 1: r0 = syz_open_dev$ndb(&(0x7f0000000000)='/dev/nbd#\x00', 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(0xffffffffffffffff, 0xab00, r1) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x13e) ioctl$NBD_SET_SOCK(r0, 0xab03, 0xffffffffffffffff) 22:53:41 executing program 0: openat$snapshot(0xffffffffffffff9c, &(0x7f0000000040)='/dev/snapshot\x00', 0x0, 0x0) 22:53:41 executing program 3: r0 = syz_open_dev$ndb(&(0x7f0000000000)='/dev/nbd#\x00', 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, 0xffffffffffffffff) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x13e) ioctl$NBD_SET_SOCK(r0, 0xab03, 0xffffffffffffffff) 22:53:41 executing program 2: openat$snapshot(0xffffffffffffff9c, &(0x7f0000000000)='/dev/snapshot\x00', 0x0, 0x0) ioctl$SNDCTL_TMR_METRONOME(0xffffffffffffffff, 0x40045407) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)) ioctl$SNDCTL_SEQ_PANIC(0xffffffffffffffff, 0x5111) ioctl$SNDCTL_SEQ_RESET(0xffffffffffffffff, 0x5100) 22:53:41 executing program 5: openat$snapshot(0xffffffffffffff9c, &(0x7f0000000040)='/dev/snapshot\x00', 0x0, 0x0) [ 1998.886814] block nbd4: Receive control failed (result -32) [ 1998.887030] block nbd4: shutting down sockets 22:53:41 executing program 1: r0 = syz_open_dev$ndb(&(0x7f0000000000)='/dev/nbd#\x00', 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(0xffffffffffffffff, 0xab00, r1) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x13e) ioctl$NBD_SET_SOCK(r0, 0xab03, 0xffffffffffffffff) 22:53:41 executing program 2: openat$snapshot(0xffffffffffffff9c, &(0x7f0000000000)='/dev/snapshot\x00', 0x0, 0x0) ioctl$SNDCTL_TMR_METRONOME(0xffffffffffffffff, 0x40045407) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)) ioctl$SNDCTL_SEQ_PANIC(0xffffffffffffffff, 0x5111) ioctl$SNDCTL_SEQ_RESET(0xffffffffffffffff, 0x5100) 22:53:41 executing program 5: openat$snapshot(0xffffffffffffff9c, &(0x7f0000000040)='/dev/snapshot\x00', 0x0, 0x0) 22:53:41 executing program 3: r0 = syz_open_dev$ndb(&(0x7f0000000000)='/dev/nbd#\x00', 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, 0xffffffffffffffff) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x13e) ioctl$NBD_SET_SOCK(r0, 0xab03, 0xffffffffffffffff) 22:53:41 executing program 0: r0 = syz_open_dev$ndb(&(0x7f0000000000)='/dev/nbd#\x00', 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, 0xffffffffffffffff) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x13e) ioctl$NBD_SET_SOCK(r0, 0xab03, 0xffffffffffffffff) 22:53:41 executing program 3: r0 = syz_open_dev$ndb(&(0x7f0000000000)='/dev/nbd#\x00', 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(0xffffffffffffffff, 0xab00, r1) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x13e) ioctl$NBD_SET_SOCK(r0, 0xab03, 0xffffffffffffffff) 22:53:42 executing program 1: r0 = syz_open_dev$ndb(&(0x7f0000000000)='/dev/nbd#\x00', 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)) ioctl$NBD_SET_SOCK(r0, 0xab00, 0xffffffffffffffff) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x13e) ioctl$NBD_SET_SOCK(r0, 0xab03, 0xffffffffffffffff) 22:53:42 executing program 0: r0 = syz_open_dev$ndb(&(0x7f0000000000)='/dev/nbd#\x00', 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x13e) r2 = syz_open_dev$ndb(0x0, 0x0, 0x0) ioctl$NBD_CLEAR_SOCK(r2, 0xab04) ioctl$NBD_SET_SOCK(r0, 0xab03, 0xffffffffffffffff) 22:53:42 executing program 2: openat$snapshot(0xffffffffffffff9c, &(0x7f0000000000)='/dev/snapshot\x00', 0x0, 0x0) ioctl$SNDCTL_TMR_METRONOME(0xffffffffffffffff, 0x40045407) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)) ioctl$SNDCTL_SEQ_PANIC(0xffffffffffffffff, 0x5111) ioctl$SNDCTL_SEQ_RESET(0xffffffffffffffff, 0x5100) 22:53:42 executing program 5: openat$snapshot(0xffffffffffffff9c, &(0x7f0000000040)='/dev/snapshot\x00', 0x0, 0x0) 22:53:42 executing program 4: r0 = syz_open_dev$ndb(&(0x7f0000000000)='/dev/nbd#\x00', 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x13e) syz_open_dev$ndb(&(0x7f0000000140)='/dev/nbd#\x00', 0x0, 0x0) ioctl$NBD_CLEAR_SOCK(0xffffffffffffffff, 0xab04) ioctl$NBD_SET_SOCK(r0, 0xab03, 0xffffffffffffffff) 22:53:42 executing program 3: r0 = syz_open_dev$ndb(&(0x7f0000000000)='/dev/nbd#\x00', 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(0xffffffffffffffff, 0xab00, r1) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x13e) ioctl$NBD_SET_SOCK(r0, 0xab03, 0xffffffffffffffff) [ 1999.815220] block nbd4: Receive control failed (result -32) [ 1999.821712] block nbd4: shutting down sockets 22:53:42 executing program 1: r0 = syz_open_dev$ndb(&(0x7f0000000000)='/dev/nbd#\x00', 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)) ioctl$NBD_SET_SOCK(r0, 0xab00, 0xffffffffffffffff) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x13e) ioctl$NBD_SET_SOCK(r0, 0xab03, 0xffffffffffffffff) 22:53:42 executing program 3: r0 = syz_open_dev$ndb(&(0x7f0000000000)='/dev/nbd#\x00', 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(0xffffffffffffffff, 0xab00, r1) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x13e) ioctl$NBD_SET_SOCK(r0, 0xab03, 0xffffffffffffffff) 22:53:42 executing program 5: r0 = syz_open_dev$ndb(&(0x7f0000000000)='/dev/nbd#\x00', 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, 0xffffffffffffffff) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x13e) ioctl$NBD_SET_SOCK(r0, 0xab03, 0xffffffffffffffff) 22:53:42 executing program 2: openat$snapshot(0xffffffffffffff9c, &(0x7f0000000000)='/dev/snapshot\x00', 0x0, 0x0) ioctl$SNDCTL_TMR_METRONOME(0xffffffffffffffff, 0x40045407) r0 = openat$sequencer(0xffffffffffffff9c, &(0x7f0000000140)='/dev/sequencer\x00', 0x2, 0x0) ioctl$SNDCTL_SEQ_PANIC(r0, 0x5111) ioctl$SNDCTL_SEQ_RESET(r0, 0x5100) 22:53:42 executing program 1: r0 = syz_open_dev$ndb(&(0x7f0000000000)='/dev/nbd#\x00', 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)) ioctl$NBD_SET_SOCK(r0, 0xab00, 0xffffffffffffffff) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x13e) ioctl$NBD_SET_SOCK(r0, 0xab03, 0xffffffffffffffff) 22:53:42 executing program 3: r0 = syz_open_dev$ndb(&(0x7f0000000000)='/dev/nbd#\x00', 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)) ioctl$NBD_SET_SOCK(r0, 0xab00, 0xffffffffffffffff) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x13e) ioctl$NBD_SET_SOCK(r0, 0xab03, 0xffffffffffffffff) 22:53:42 executing program 1: r0 = syz_open_dev$ndb(&(0x7f0000000000)='/dev/nbd#\x00', 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) ioctl$NBD_SET_FLAGS(0xffffffffffffffff, 0xab0a, 0x13e) ioctl$NBD_SET_SOCK(r0, 0xab03, 0xffffffffffffffff) 22:53:43 executing program 0: r0 = openat$snapshot(0xffffffffffffff9c, &(0x7f0000000000)='/dev/snapshot\x00', 0x0, 0x0) ioctl$SNAPSHOT_S2RAM(r0, 0x40043311) 22:53:43 executing program 5: r0 = syz_open_dev$ndb(&(0x7f0000000000)='/dev/nbd#\x00', 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x13e) r2 = syz_open_dev$ndb(0x0, 0x0, 0x0) ioctl$NBD_CLEAR_SOCK(r2, 0xab04) ioctl$NBD_SET_SOCK(r0, 0xab03, 0xffffffffffffffff) 22:53:43 executing program 3: r0 = syz_open_dev$ndb(&(0x7f0000000000)='/dev/nbd#\x00', 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)) ioctl$NBD_SET_SOCK(r0, 0xab00, 0xffffffffffffffff) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x13e) ioctl$NBD_SET_SOCK(r0, 0xab03, 0xffffffffffffffff) [ 2000.716303] block nbd0: Receive control failed (result -32) [ 2000.718688] block nbd0: shutting down sockets 22:53:43 executing program 4: r0 = syz_open_dev$ndb(&(0x7f0000000000)='/dev/nbd#\x00', 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x13e) r2 = syz_open_dev$ndb(&(0x7f0000000140)='/dev/nbd#\x00', 0x0, 0x0) ioctl$NBD_CLEAR_SOCK(r2, 0xab04) ioctl$NBD_SET_SOCK(0xffffffffffffffff, 0xab03, 0xffffffffffffffff) 22:53:43 executing program 2: openat$snapshot(0xffffffffffffff9c, &(0x7f0000000000)='/dev/snapshot\x00', 0x0, 0x0) ioctl$SNDCTL_TMR_METRONOME(0xffffffffffffffff, 0x40045407) r0 = openat$sequencer(0xffffffffffffff9c, &(0x7f0000000140)='/dev/sequencer\x00', 0x2, 0x0) ioctl$SNDCTL_SEQ_PANIC(r0, 0x5111) ioctl$SNDCTL_SEQ_RESET(r0, 0x5100) [ 2000.760521] block nbd4: Receive control failed (result -32) [ 2000.766707] block nbd4: shutting down sockets 22:53:43 executing program 3: r0 = syz_open_dev$ndb(&(0x7f0000000000)='/dev/nbd#\x00', 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)) ioctl$NBD_SET_SOCK(r0, 0xab00, 0xffffffffffffffff) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x13e) ioctl$NBD_SET_SOCK(r0, 0xab03, 0xffffffffffffffff) 22:53:43 executing program 0: r0 = openat$snapshot(0xffffffffffffff9c, &(0x7f00000000c0)='/dev/snapshot\x00', 0x0, 0x0) openat$dlm_control(0xffffffffffffff9c, &(0x7f0000000080)='/dev/dlm-control\x00', 0x305100, 0x0) ioctl$SNDCTL_TMR_TIMEBASE(0xffffffffffffffff, 0xc0045401, &(0x7f0000000040)=0x64) ioctl$SNAPSHOT_S2RAM(r0, 0x330f) 22:53:43 executing program 2: openat$snapshot(0xffffffffffffff9c, &(0x7f0000000000)='/dev/snapshot\x00', 0x0, 0x0) ioctl$SNDCTL_TMR_METRONOME(0xffffffffffffffff, 0x40045407) r0 = openat$sequencer(0xffffffffffffff9c, &(0x7f0000000140)='/dev/sequencer\x00', 0x2, 0x0) ioctl$SNDCTL_SEQ_PANIC(r0, 0x5111) ioctl$SNDCTL_SEQ_RESET(r0, 0x5100) [ 2000.914738] block nbd4: shutting down sockets 22:53:43 executing program 3: r0 = syz_open_dev$ndb(&(0x7f0000000000)='/dev/nbd#\x00', 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) ioctl$NBD_SET_FLAGS(0xffffffffffffffff, 0xab0a, 0x13e) ioctl$NBD_SET_SOCK(r0, 0xab03, 0xffffffffffffffff) 22:53:43 executing program 2: openat$snapshot(0xffffffffffffff9c, &(0x7f0000000000)='/dev/snapshot\x00', 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)) r0 = openat$sequencer(0xffffffffffffff9c, &(0x7f0000000140)='/dev/sequencer\x00', 0x2, 0x0) ioctl$SNDCTL_SEQ_PANIC(r0, 0x5111) ioctl$SNDCTL_SEQ_RESET(r0, 0x5100) [ 2000.950122] block nbd1: Receive control failed (result -32) [ 2000.956634] block nbd1: shutting down sockets 22:53:43 executing program 4: r0 = syz_open_dev$ndb(&(0x7f0000000000)='/dev/nbd#\x00', 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x13e) r2 = syz_open_dev$ndb(&(0x7f0000000140)='/dev/nbd#\x00', 0x0, 0x0) ioctl$NBD_CLEAR_SOCK(r2, 0xab04) ioctl$NBD_SET_SOCK(0xffffffffffffffff, 0xab03, 0xffffffffffffffff) 22:53:43 executing program 1: r0 = syz_open_dev$ndb(&(0x7f0000000000)='/dev/nbd#\x00', 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) ioctl$NBD_SET_FLAGS(0xffffffffffffffff, 0xab0a, 0x13e) ioctl$NBD_SET_SOCK(r0, 0xab03, 0xffffffffffffffff) 22:53:43 executing program 0: r0 = syz_open_dev$ndb(&(0x7f0000000000)='/dev/nbd#\x00', 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) ioctl$NBD_SET_FLAGS(0xffffffffffffffff, 0xab0a, 0x13e) ioctl$NBD_SET_SOCK(r0, 0xab03, 0xffffffffffffffff) [ 2001.075086] block nbd4: shutting down sockets 22:53:44 executing program 5: r0 = syz_open_dev$ndb(&(0x7f0000000000)='/dev/nbd#\x00', 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = syz_open_dev$ndb(&(0x7f0000000140)='/dev/nbd#\x00', 0x0, 0x0) ioctl$NBD_CLEAR_SOCK(r2, 0xab04) ioctl$NBD_SET_SOCK(r0, 0xab03, 0xffffffffffffffff) ioctl$SNDCTL_TMR_SELECT(0xffffffffffffffff, 0x40045408) ioctl$FBIOPUT_CON2FBMAP(0xffffffffffffffff, 0x4610, &(0x7f0000000080)={0xb, 0x1}) r3 = socket$nl_generic(0x10, 0x3, 0x10) sendmsg$MPTCP_PM_CMD_SET_LIMITS(r3, &(0x7f0000000c80)={&(0x7f0000000bc0)={0x10, 0x0, 0x0, 0x20400000}, 0xc, &(0x7f0000000c40)={&(0x7f0000000c00)={0x14}, 0x14}}, 0x0) sendmsg$NBD_CMD_DISCONNECT(r3, &(0x7f00000001c0)={&(0x7f00000000c0)={0x10, 0x0, 0x0, 0x400}, 0xc, &(0x7f0000000180)={&(0x7f0000000100)={0x20, 0x0, 0x2, 0x70bd2a, 0x25dfdbfc, {}, [@NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x1}]}, 0x20}, 0x1, 0x0, 0x0, 0x8000}, 0x24040000) 22:53:44 executing program 4: r0 = syz_open_dev$ndb(&(0x7f0000000000)='/dev/nbd#\x00', 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x13e) r2 = syz_open_dev$ndb(&(0x7f0000000140)='/dev/nbd#\x00', 0x0, 0x0) ioctl$NBD_CLEAR_SOCK(r2, 0xab04) ioctl$NBD_SET_SOCK(0xffffffffffffffff, 0xab03, 0xffffffffffffffff) 22:53:44 executing program 2: openat$snapshot(0xffffffffffffff9c, &(0x7f0000000000)='/dev/snapshot\x00', 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)) r0 = openat$sequencer(0xffffffffffffff9c, &(0x7f0000000140)='/dev/sequencer\x00', 0x2, 0x0) ioctl$SNDCTL_SEQ_PANIC(r0, 0x5111) ioctl$SNDCTL_SEQ_RESET(r0, 0x5100) [ 2001.621772] block nbd5: Receive control failed (result -32) [ 2001.628901] block nbd5: shutting down sockets [ 2001.685230] block nbd5: shutting down sockets [ 2001.691991] block nbd4: shutting down sockets 22:53:44 executing program 5: r0 = syz_open_dev$ndb(&(0x7f0000000000)='/dev/nbd#\x00', 0x0, 0x0) r1 = syz_mount_image$hpfs(&(0x7f0000000080)='hpfs\x00', &(0x7f00000000c0)='./file0\x00', 0xab5, 0x2, &(0x7f0000000200)=[{&(0x7f0000000180)="f8860be286a4cd526fc0d2994ee6534178e3478ce92fefd4de774d040313e08e9c3fb38f1079c9b00c760f77cd55b1999c3fe04ec30776618c02ad21a8eb5a97cbad9a4fc8baedc70bb502db3c2f836925406a2f3dd705fda4666855e8d3ba14994a4bcb9e5bf8b8", 0x68, 0x2}, {&(0x7f0000000100)="28e10e98305b7f6c6f49531b46f88b643e36c3796df4e4c9513e643027ccc390c788546b", 0x24, 0x81}], 0x2000000, &(0x7f0000000240)={[{'/dev/nbd#\x00'}, {'/dev/nbd#\x00'}, {'/dev/nbd#\x00'}, {'@[:#:'}, {']\''}, {}, {'/dev/nbd#\x00'}], [{@fowner_lt={'fowner<'}}]}) ioctl$BTRFS_IOC_BALANCE_V2(r0, 0xc4009420, &(0x7f00000002c0)={0x1, 0x4, {0x9, @struct={0x80000001, 0x89b}, 0x0, 0xfffffffffffffc1d, 0x7, 0x1, 0x7ff, 0x1, 0x4, @struct={0x4, 0x5}, 0x10001, 0x2, [0x2, 0x80000001, 0x1000, 0x3, 0x8, 0x8]}, {0x6, @usage=0x1, 0x0, 0xbf1, 0x3177c80f, 0x0, 0x6, 0xdb, 0xc6, @struct={0x0, 0x100}, 0x8, 0xffffffff, [0x2, 0x100000000, 0x0, 0x7ff, 0x80000001, 0x286]}, {0xe1d, @struct={0x2, 0x6}, 0x0, 0x200, 0x3, 0x7, 0x0, 0x8, 0x80, @usage=0x9894, 0x2, 0x1, [0x63, 0x1ae5, 0x1000, 0x0, 0x2, 0x63a]}, {0x400, 0x100000001, 0x2}}) ioctl$BTRFS_IOC_SCRUB(r1, 0xc400941b, &(0x7f00000006c0)={r2, 0xcc, 0x9}) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r0, 0xab00, r3) r4 = syz_open_dev$ndb(&(0x7f0000000140)='/dev/nbd#\x00', 0x0, 0x8400) ioctl$NBD_CLEAR_SOCK(r4, 0xab04) ioctl$NBD_SET_SOCK(r0, 0xab03, 0xffffffffffffffff) 22:53:44 executing program 4: r0 = syz_open_dev$ndb(&(0x7f0000000000)='/dev/nbd#\x00', 0x0, 0x0) r1 = syz_mount_image$hpfs(&(0x7f0000000080)='hpfs\x00', &(0x7f00000000c0)='./file0\x00', 0xab5, 0x2, &(0x7f0000000200)=[{&(0x7f0000000180)="f8860be286a4cd526fc0d2994ee6534178e3478ce92fefd4de774d040313e08e9c3fb38f1079c9b00c760f77cd55b1999c3fe04ec30776618c02ad21a8eb5a97cbad9a4fc8baedc70bb502db3c2f836925406a2f3dd705fda4666855e8d3ba14994a4bcb9e5bf8b8", 0x68, 0x2}, {&(0x7f0000000100)="28e10e98305b7f6c6f49531b46f88b643e36c3796df4e4c9513e643027ccc390c788546b", 0x24, 0x81}], 0x2000000, &(0x7f0000000240)={[{'/dev/nbd#\x00'}, {'/dev/nbd#\x00'}, {'/dev/nbd#\x00'}, {'@[:#:'}, {']\''}, {}, {'/dev/nbd#\x00'}], [{@fowner_lt={'fowner<'}}]}) ioctl$BTRFS_IOC_BALANCE_V2(r0, 0xc4009420, &(0x7f00000002c0)={0x1, 0x4, {0x9, @struct={0x80000001, 0x89b}, 0x0, 0xfffffffffffffc1d, 0x7, 0x1, 0x7ff, 0x1, 0x4, @struct={0x4, 0x5}, 0x10001, 0x2, [0x2, 0x80000001, 0x1000, 0x3, 0x8, 0x8]}, {0x6, @usage=0x1, 0x0, 0xbf1, 0x3177c80f, 0x0, 0x6, 0xdb, 0xc6, @struct={0x0, 0x100}, 0x8, 0xffffffff, [0x2, 0x100000000, 0x0, 0x7ff, 0x80000001, 0x286]}, {0xe1d, @struct={0x2, 0x6}, 0x0, 0x200, 0x3, 0x7, 0x0, 0x8, 0x80, @usage=0x9894, 0x2, 0x1, [0x63, 0x1ae5, 0x1000, 0x0, 0x2, 0x63a]}, {0x400, 0x100000001, 0x2}}) ioctl$BTRFS_IOC_SCRUB(r1, 0xc400941b, &(0x7f00000006c0)={r2, 0xcc, 0x9}) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r0, 0xab00, r3) r4 = syz_open_dev$ndb(&(0x7f0000000140)='/dev/nbd#\x00', 0x0, 0x8400) ioctl$NBD_CLEAR_SOCK(r4, 0xab04) ioctl$NBD_SET_SOCK(r0, 0xab03, 0xffffffffffffffff) 22:53:44 executing program 2: openat$snapshot(0xffffffffffffff9c, &(0x7f0000000000)='/dev/snapshot\x00', 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)) r0 = openat$sequencer(0xffffffffffffff9c, &(0x7f0000000140)='/dev/sequencer\x00', 0x2, 0x0) ioctl$SNDCTL_SEQ_PANIC(r0, 0x5111) ioctl$SNDCTL_SEQ_RESET(r0, 0x5100) 22:53:44 executing program 2: openat$snapshot(0xffffffffffffff9c, 0x0, 0x0, 0x0) ioctl$SNDCTL_TMR_METRONOME(0xffffffffffffffff, 0x40045407) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)) r0 = openat$sequencer(0xffffffffffffff9c, &(0x7f0000000140)='/dev/sequencer\x00', 0x2, 0x0) ioctl$SNDCTL_SEQ_PANIC(r0, 0x5111) ioctl$SNDCTL_SEQ_RESET(r0, 0x5100) 22:53:44 executing program 3: r0 = syz_open_dev$ndb(&(0x7f0000000000)='/dev/nbd#\x00', 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) ioctl$NBD_SET_FLAGS(0xffffffffffffffff, 0xab0a, 0x13e) ioctl$NBD_SET_SOCK(r0, 0xab03, 0xffffffffffffffff) [ 2001.814252] block nbd3: Receive control failed (result -32) [ 2001.814604] block nbd3: shutting down sockets [ 2001.843442] hpfs: bad mount options. [ 2001.902091] block nbd1: Receive control failed (result -32) [ 2001.906464] block nbd4: shutting down sockets [ 2001.912766] block nbd1: shutting down sockets [ 2001.931235] hpfs: bad mount options. 22:53:44 executing program 4: r0 = syz_open_dev$ndb(&(0x7f0000000000)='/dev/nbd#\x00', 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) ioctl$NBD_SET_FLAGS(0xffffffffffffffff, 0xab0a, 0x13e) ioctl$NBD_SET_SOCK(r0, 0xab03, 0xffffffffffffffff) 22:53:44 executing program 1: r0 = syz_open_dev$ndb(&(0x7f0000000000)='/dev/nbd#\x00', 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) ioctl$NBD_SET_FLAGS(0xffffffffffffffff, 0xab0a, 0x13e) ioctl$NBD_SET_SOCK(r0, 0xab03, 0xffffffffffffffff) [ 2001.958848] block nbd0: Receive control failed (result -32) [ 2001.964950] block nbd0: shutting down sockets [ 2001.986131] block nbd5: shutting down sockets 22:53:44 executing program 0: r0 = syz_open_dev$ndb(&(0x7f0000000000)='/dev/nbd#\x00', 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) ioctl$NBD_SET_FLAGS(0xffffffffffffffff, 0xab0a, 0x13e) ioctl$NBD_SET_SOCK(r0, 0xab03, 0xffffffffffffffff) 22:53:44 executing program 5: openat$snapshot(0xffffffffffffff9c, &(0x7f0000000000)='/dev/snapshot\x00', 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)) r0 = openat$sequencer(0xffffffffffffff9c, &(0x7f0000000140)='/dev/sequencer\x00', 0x2, 0x0) ioctl$SNDCTL_SEQ_PANIC(r0, 0x5111) ioctl$SNDCTL_SEQ_RESET(r0, 0x5100) 22:53:44 executing program 2: openat$snapshot(0xffffffffffffff9c, 0x0, 0x0, 0x0) ioctl$SNDCTL_TMR_METRONOME(0xffffffffffffffff, 0x40045407) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)) r0 = openat$sequencer(0xffffffffffffff9c, &(0x7f0000000140)='/dev/sequencer\x00', 0x2, 0x0) ioctl$SNDCTL_SEQ_PANIC(r0, 0x5111) ioctl$SNDCTL_SEQ_RESET(r0, 0x5100) 22:53:44 executing program 5: r0 = syz_open_dev$ndb(&(0x7f0000000000)='/dev/nbd#\x00', 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) mmap$snddsp_control(&(0x7f0000ffb000/0x3000)=nil, 0x1000, 0x4, 0x4010, 0xffffffffffffffff, 0x83000000) r2 = syz_open_dev$ndb(&(0x7f0000000140)='/dev/nbd#\x00', 0x0, 0xc0) r3 = openat$dlm_control(0xffffffffffffff9c, &(0x7f0000000000)='/dev/dlm-control\x00', 0x0, 0x0) ioctl$SNDRV_PCM_IOCTL_XRUN(r3, 0x4148, 0x0) ioctl$SNDRV_PCM_IOCTL_RESUME(r3, 0x4147, 0x0) ioctl$NBD_CLEAR_SOCK(r2, 0xab04) ioctl$NBD_SET_SOCK(r0, 0xab03, 0xffffffffffffffff) 22:53:44 executing program 2: openat$snapshot(0xffffffffffffff9c, 0x0, 0x0, 0x0) ioctl$SNDCTL_TMR_METRONOME(0xffffffffffffffff, 0x40045407) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)) r0 = openat$sequencer(0xffffffffffffff9c, &(0x7f0000000140)='/dev/sequencer\x00', 0x2, 0x0) ioctl$SNDCTL_SEQ_PANIC(r0, 0x5111) ioctl$SNDCTL_SEQ_RESET(r0, 0x5100) 22:53:44 executing program 2: openat$snapshot(0xffffffffffffff9c, &(0x7f0000000000)='/dev/snapshot\x00', 0x0, 0x0) ioctl$SNDCTL_TMR_METRONOME(0xffffffffffffffff, 0x40045407) socketpair$nbd(0x1, 0x1, 0x0, 0x0) r0 = openat$sequencer(0xffffffffffffff9c, &(0x7f0000000140)='/dev/sequencer\x00', 0x2, 0x0) ioctl$SNDCTL_SEQ_PANIC(r0, 0x5111) ioctl$SNDCTL_SEQ_RESET(r0, 0x5100) 22:53:44 executing program 2: openat$snapshot(0xffffffffffffff9c, &(0x7f0000000000)='/dev/snapshot\x00', 0x0, 0x0) ioctl$SNDCTL_TMR_METRONOME(0xffffffffffffffff, 0x40045407) socketpair$nbd(0x1, 0x1, 0x0, 0x0) r0 = openat$sequencer(0xffffffffffffff9c, &(0x7f0000000140)='/dev/sequencer\x00', 0x2, 0x0) ioctl$SNDCTL_SEQ_PANIC(r0, 0x5111) ioctl$SNDCTL_SEQ_RESET(r0, 0x5100) 22:53:44 executing program 2: openat$snapshot(0xffffffffffffff9c, &(0x7f0000000000)='/dev/snapshot\x00', 0x0, 0x0) ioctl$SNDCTL_TMR_METRONOME(0xffffffffffffffff, 0x40045407) socketpair$nbd(0x1, 0x1, 0x0, 0x0) r0 = openat$sequencer(0xffffffffffffff9c, &(0x7f0000000140)='/dev/sequencer\x00', 0x2, 0x0) ioctl$SNDCTL_SEQ_PANIC(r0, 0x5111) ioctl$SNDCTL_SEQ_RESET(r0, 0x5100) 22:53:44 executing program 2: openat$snapshot(0xffffffffffffff9c, &(0x7f0000000000)='/dev/snapshot\x00', 0x0, 0x0) ioctl$SNDCTL_TMR_METRONOME(0xffffffffffffffff, 0x40045407) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)) r0 = openat$sequencer(0xffffffffffffff9c, 0x0, 0x2, 0x0) ioctl$SNDCTL_SEQ_PANIC(r0, 0x5111) ioctl$SNDCTL_SEQ_RESET(r0, 0x5100) 22:53:45 executing program 3: r0 = syz_open_dev$ndb(&(0x7f0000000000)='/dev/nbd#\x00', 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) ioctl$NBD_SET_FLAGS(0xffffffffffffffff, 0xab0a, 0x13e) ioctl$NBD_SET_SOCK(r0, 0xab03, 0xffffffffffffffff) [ 2002.845088] block nbd3: Receive control failed (result -32) [ 2002.848943] block nbd3: shutting down sockets [ 2002.905224] block nbd1: Receive control failed (result -32) [ 2002.908837] block nbd4: shutting down sockets [ 2002.914248] block nbd1: shutting down sockets [ 2002.929289] block nbd0: Receive control failed (result -32) [ 2002.935438] block nbd0: shutting down sockets 22:53:45 executing program 2: openat$snapshot(0xffffffffffffff9c, &(0x7f0000000000)='/dev/snapshot\x00', 0x0, 0x0) ioctl$SNDCTL_TMR_METRONOME(0xffffffffffffffff, 0x40045407) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)) r0 = openat$sequencer(0xffffffffffffff9c, 0x0, 0x2, 0x0) ioctl$SNDCTL_SEQ_PANIC(r0, 0x5111) ioctl$SNDCTL_SEQ_RESET(r0, 0x5100) 22:53:45 executing program 4: r0 = syz_open_dev$ndb(&(0x7f0000000000)='/dev/nbd#\x00', 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = syz_open_dev$ndb(&(0x7f0000000140)='/dev/nbd#\x00', 0x0, 0x8400) ioctl$NBD_CLEAR_SOCK(r2, 0xab04) ioctl$NBD_SET_SIZE(r0, 0xab02, 0x80) r3 = openat$dlm_control(0xffffffffffffff9c, &(0x7f0000000000)='/dev/dlm-control\x00', 0x0, 0x0) ioctl$SNDRV_PCM_IOCTL_XRUN(r3, 0x4148, 0x0) syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x15c4a7f5ff9c38c9) r4 = openat$dlm_control(0xffffffffffffff9c, &(0x7f0000000000)='/dev/dlm-control\x00', 0x0, 0x0) ioctl$SNDRV_PCM_IOCTL_XRUN(r4, 0x4148, 0x0) syz_open_dev$ndb(&(0x7f00000000c0)='/dev/nbd#\x00', 0x0, 0x4002) r5 = syz_open_dev$ndb(&(0x7f0000000100)='/dev/nbd#\x00', 0x0, 0x400) ioctl$NBD_SET_SOCK(r5, 0xab03, r1) 22:53:45 executing program 1: r0 = syz_open_dev$ndb(&(0x7f0000000000)='/dev/nbd#\x00', 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab03, 0xffffffffffffffff) 22:53:45 executing program 0: openat$snapshot(0xffffffffffffff9c, &(0x7f0000000000)='/dev/snapshot\x00', 0x0, 0x0) ioctl$SNDCTL_TMR_METRONOME(0xffffffffffffffff, 0x40045407) socketpair$nbd(0x1, 0x1, 0x0, 0x0) r0 = openat$sequencer(0xffffffffffffff9c, &(0x7f0000000140)='/dev/sequencer\x00', 0x2, 0x0) ioctl$SNDCTL_SEQ_PANIC(r0, 0x5111) ioctl$SNDCTL_SEQ_RESET(r0, 0x5100) 22:53:45 executing program 0: openat$snapshot(0xffffffffffffff9c, &(0x7f0000000000)='/dev/snapshot\x00', 0x0, 0x0) ioctl$SNDCTL_TMR_METRONOME(0xffffffffffffffff, 0x40045407) socketpair$nbd(0x1, 0x1, 0x0, 0x0) r0 = openat$sequencer(0xffffffffffffff9c, &(0x7f0000000140)='/dev/sequencer\x00', 0x2, 0x0) ioctl$SNDCTL_SEQ_PANIC(r0, 0x5111) ioctl$SNDCTL_SEQ_RESET(r0, 0x5100) [ 2003.063297] block nbd4: shutting down sockets [ 2003.076115] block nbd5: Receive control failed (result -32) [ 2003.076512] block nbd5: shutting down sockets 22:53:45 executing program 5: r0 = syz_open_dev$ndb(&(0x7f0000000000)='/dev/nbd#\x00', 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = syz_open_dev$ndb(&(0x7f0000000140)='/dev/nbd#\x00', 0x0, 0x8400) ioctl$NBD_CLEAR_SOCK(r2, 0xab04) ioctl$NBD_SET_SOCK(r0, 0xab03, 0xffffffffffffffff) sendmsg$ETHTOOL_MSG_EEE_SET(0xffffffffffffffff, &(0x7f0000000180)={&(0x7f0000000080)={0x10, 0x0, 0x0, 0x10}, 0xc, &(0x7f0000000100)={&(0x7f00000001c0)=ANY=[@ANYBLOB="14d80000", @ANYRES16=0x0, @ANYBLOB="030029bd7000fbdbdf2518000000c51278f1a07786d06a5c762bad969139ce6e87b123635d612c03979b29915c8c5b9b4b72e9bc9cfb3fcf28a8bdf6ea44ebb9a88de4fc0b3cc0a8f1059497e43fa326e475ba278a434a30d8dd17b5f73932f9862cf9aec19512359ba4828e744073cde0d398b7b0850378963bb8fe3db62b24ee1c48b3708de8b9f30904744f44c28c7ccfcf682a5fd9050a8777c7ce0e63f2454d2d19f72a3d1b09f8a67d91fe1a40f6dc06bf013c474c003e40be1243fe"], 0x14}, 0x1, 0x0, 0x0, 0x4002004}, 0x1) 22:53:45 executing program 2: openat$snapshot(0xffffffffffffff9c, &(0x7f0000000000)='/dev/snapshot\x00', 0x0, 0x0) ioctl$SNDCTL_TMR_METRONOME(0xffffffffffffffff, 0x40045407) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)) r0 = openat$sequencer(0xffffffffffffff9c, 0x0, 0x2, 0x0) ioctl$SNDCTL_SEQ_PANIC(r0, 0x5111) ioctl$SNDCTL_SEQ_RESET(r0, 0x5100) 22:53:45 executing program 4: r0 = syz_open_dev$ndb(&(0x7f0000000000)='/dev/nbd#\x00', 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = syz_open_dev$ndb(&(0x7f0000000140)='/dev/nbd#\x00', 0x0, 0x8400) ioctl$NBD_CLEAR_SOCK(r2, 0xab04) ioctl$NBD_SET_SOCK(r0, 0xab03, 0xffffffffffffffff) sendmsg$ETHTOOL_MSG_EEE_SET(0xffffffffffffffff, &(0x7f0000000180)={&(0x7f0000000080)={0x10, 0x0, 0x0, 0x10}, 0xc, &(0x7f0000000100)={&(0x7f00000001c0)=ANY=[@ANYBLOB="14d80000", @ANYRES16=0x0, @ANYBLOB="030029bd7000fbdbdf2518000000c51278f1a07786d06a5c762bad969139ce6e87b123635d612c03979b29915c8c5b9b4b72e9bc9cfb3fcf28a8bdf6ea44ebb9a88de4fc0b3cc0a8f1059497e43fa326e475ba278a434a30d8dd17b5f73932f9862cf9aec19512359ba4828e744073cde0d398b7b0850378963bb8fe3db62b24ee1c48b3708de8b9f30904744f44c28c7ccfcf682a5fd9050a8777c7ce0e63f2454d2d19f72a3d1b09f8a67d91fe1a40f6dc06bf013c474c003e40be1243fe"], 0x14}, 0x1, 0x0, 0x0, 0x4002004}, 0x1) 22:53:45 executing program 0: r0 = syz_open_dev$ndb(&(0x7f0000000000)='/dev/nbd#\x00', 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = syz_open_dev$ndb(&(0x7f0000000140)='/dev/nbd#\x00', 0x0, 0x8400) ioctl$NBD_CLEAR_SOCK(r2, 0xab04) ioctl$NBD_SET_SOCK(r0, 0xab03, 0xffffffffffffffff) sendmsg$ETHTOOL_MSG_EEE_SET(0xffffffffffffffff, &(0x7f0000000180)={&(0x7f0000000080)={0x10, 0x0, 0x0, 0x10}, 0xc, &(0x7f0000000100)={&(0x7f00000001c0)=ANY=[@ANYBLOB="14d80000", @ANYRES16=0x0, @ANYBLOB="030029bd7000fbdbdf2518000000c51278f1a07786d06a5c762bad969139ce6e87b123635d612c03979b29915c8c5b9b4b72e9bc9cfb3fcf28a8bdf6ea44ebb9a88de4fc0b3cc0a8f1059497e43fa326e475ba278a434a30d8dd17b5f73932f9862cf9aec19512359ba4828e744073cde0d398b7b0850378963bb8fe3db62b24ee1c48b3708de8b9f30904744f44c28c7ccfcf682a5fd9050a8777c7ce0e63f2454d2d19f72a3d1b09f8a67d91fe1a40f6dc06bf013c474c003e40be1243fe"], 0x14}, 0x1, 0x0, 0x0, 0x4002004}, 0x1) 22:53:45 executing program 2: openat$snapshot(0xffffffffffffff9c, &(0x7f0000000000)='/dev/snapshot\x00', 0x0, 0x0) ioctl$SNDCTL_TMR_METRONOME(0xffffffffffffffff, 0x40045407) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)) r0 = openat$sequencer(0xffffffffffffff9c, &(0x7f0000000140)='/dev/sequencer\x00', 0x0, 0x0) ioctl$SNDCTL_SEQ_PANIC(r0, 0x5111) ioctl$SNDCTL_SEQ_RESET(r0, 0x5100) [ 2003.237127] block nbd5: shutting down sockets [ 2003.242857] block nbd4: shutting down sockets 22:53:45 executing program 5: r0 = openat$snapshot(0xffffffffffffff9c, &(0x7f0000000000)='/dev/snapshot\x00', 0x0, 0x0) ioctl$SNAPSHOT_S2RAM(r0, 0x330b) ioctl$BTRFS_IOC_RESIZE(r0, 0x50009403, &(0x7f0000000c40)=ANY=[@ANYRES32=r0, @ANYBLOB='\x00\x00\x00\x00', @ANYRESDEC=0x0, @ANYBLOB="3ab33b6ede0cd44845af7993618c95d3d58ec383e152080be26b7ba86200000000010000005208f5577a3924a0346a1db7e7d27833e9a1e2b0cff145098402f1eff0f2814cd72c18f684c55960314ea3ee9ea5af9cf17da80e736ebf3811a14f9d13731ca1000000"]) ioctl$BTRFS_IOC_GET_DEV_STATS(r0, 0xc4089434, &(0x7f0000000080)={0x0, 0x7, 0x0, [0x0, 0x3, 0x6, 0x9], [0x80, 0xffffffffffff3005, 0x8, 0x9, 0xfff, 0x5, 0x853, 0x9, 0x401, 0x3, 0x3f, 0x101, 0x3, 0x10000, 0xffffffff, 0x9a, 0x0, 0xa17, 0x504, 0x8e6, 0x47, 0x9, 0x8, 0xffff, 0x8, 0x20, 0x1, 0x8, 0x7fff, 0x1f, 0x6, 0x200, 0xfffffffffffff800, 0x3e, 0x1ff, 0xfffffffffffffffb, 0x1, 0x4000000000000, 0x6, 0x6da31537, 0x2d, 0x4, 0x1, 0x80, 0x9, 0x7f, 0x401, 0x2, 0x0, 0x4, 0x2, 0x7, 0x1, 0x100000000, 0xd28, 0xff, 0x7, 0xfff, 0x4f2f, 0xbb, 0x200, 0x100000004, 0x6, 0x1000, 0xa5, 0x0, 0x2, 0x1, 0x2, 0x0, 0x3, 0x8000, 0x2, 0xc72d, 0xdd3, 0x1, 0x46, 0x9, 0xff, 0x9, 0x10000, 0x4, 0x1, 0x8, 0x2, 0x2c3, 0x9, 0x6, 0x1000, 0x401, 0x5, 0x8, 0x0, 0xb76, 0xfffffffffffffff8, 0x1, 0x2, 0x7f, 0x1dc0822b, 0x5, 0x4, 0x6, 0xfffffffffffffffe, 0xffffffff, 0xda1, 0x7, 0x1, 0x94a, 0x9, 0xb4, 0x4, 0x8001, 0x6, 0xaf, 0x7, 0x6, 0x9, 0x9, 0xfffffffffffffff7, 0x80000001, 0x7ff]}) r2 = openat$dlm_control(0xffffffffffffff9c, &(0x7f00000008c0)='/dev/dlm-control\x00', 0x482400, 0x0) ioctl$FBIOPUTCMAP(r2, 0x4605, &(0x7f0000000a00)={0x3, 0x5, &(0x7f0000000900)=[0x7, 0x200, 0x9, 0x8, 0x4], &(0x7f0000000940)=[0x7, 0x5], &(0x7f0000000980)=[0x400, 0x7fff, 0x8, 0xe7aa, 0x8, 0x1, 0x0, 0x4, 0x4], &(0x7f00000009c0)=[0x81, 0x1ff, 0x1, 0x4a, 0x2, 0x5]}) ioctl$BTRFS_IOC_SCRUB(r0, 0xc400941b, &(0x7f00000004c0)={r1, 0x8000, 0x8}) r3 = syz_genetlink_get_family_id$mptcp(&(0x7f0000000a80)='mptcp_pm\x00') sendmsg$MPTCP_PM_CMD_DEL_ADDR(r2, &(0x7f0000000c00)={&(0x7f0000000a40)={0x10, 0x0, 0x0, 0x4000000}, 0xc, &(0x7f0000000bc0)={&(0x7f0000000ac0)={0xdc, r3, 0x100, 0x70bd2d, 0x25dfdbfd, {}, [@MPTCP_PM_ATTR_RCV_ADD_ADDRS={0x8, 0x2, 0x8}, @MPTCP_PM_ATTR_SUBFLOWS={0x8, 0x3, 0x3}, @MPTCP_PM_ATTR_ADDR={0x24, 0x1, 0x0, 0x1, [@MPTCP_PM_ADDR_ATTR_ADDR4={0x8, 0x3, @empty}, @MPTCP_PM_ADDR_ATTR_ID={0x5, 0x2, 0xf7}, @MPTCP_PM_ADDR_ATTR_PORT={0x6, 0x5, 0x4e24}, @MPTCP_PM_ADDR_ATTR_FLAGS={0x8, 0x6, 0x8}]}, @MPTCP_PM_ATTR_SUBFLOWS={0x8, 0x3, 0x4}, @MPTCP_PM_ATTR_ADDR={0x18, 0x1, 0x0, 0x1, [@MPTCP_PM_ADDR_ATTR_ADDR6={0x14, 0x4, @dev={0xfe, 0x80, [], 0x26}}]}, @MPTCP_PM_ATTR_ADDR={0x20, 0x1, 0x0, 0x1, [@MPTCP_PM_ADDR_ATTR_ADDR4={0x8, 0x3, @rand_addr=0x64010100}, @MPTCP_PM_ADDR_ATTR_ADDR6={0x14, 0x4, @loopback}]}, @MPTCP_PM_ATTR_ADDR={0x30, 0x1, 0x0, 0x1, [@MPTCP_PM_ADDR_ATTR_FLAGS={0x8, 0x6, 0x3}, @MPTCP_PM_ADDR_ATTR_IF_IDX={0x8}, @MPTCP_PM_ADDR_ATTR_ADDR4={0x8, 0x3, @loopback}, @MPTCP_PM_ADDR_ATTR_ADDR6={0x14, 0x4, @remote}]}, @MPTCP_PM_ATTR_ADDR={0x1c, 0x1, 0x0, 0x1, [@MPTCP_PM_ADDR_ATTR_ID={0x5, 0x2, 0x4}, @MPTCP_PM_ADDR_ATTR_FAMILY={0x6, 0x1, 0x2}, @MPTCP_PM_ADDR_ATTR_ADDR4={0x8, 0x3, @private=0xa010102}]}, @MPTCP_PM_ATTR_RCV_ADD_ADDRS={0x8, 0x2, 0x3}]}, 0xdc}, 0x1, 0x0, 0x0, 0x20000000}, 0x8000) r4 = openat$fb0(0xffffffffffffff9c, &(0x7f0000000380)='/dev/fb0\x00', 0x0, 0x0) ioctl$BTRFS_IOC_GET_DEV_STATS(r4, 0xc4089434, &(0x7f0000000d00)={r1, 0x7, 0x0, [0x5, 0x0, 0x1b6d575c, 0x5, 0x4], [0xff, 0x10000, 0x800, 0x401, 0x8001, 0x5, 0x100000001, 0xffffffff, 0x1, 0x9, 0x7, 0x6, 0x1, 0x100000001, 0x38, 0x1000, 0x9, 0xb36a, 0x1, 0x8000, 0x6, 0x6, 0x2, 0x3, 0x4, 0x7fff, 0x80, 0x6017, 0x9, 0x7, 0x80e, 0x7, 0xc69, 0x4, 0x5, 0x6, 0x80000001, 0x4, 0x5d6, 0x9, 0x6, 0x5, 0x4, 0x80, 0x9, 0x401, 0x1, 0x9, 0x7, 0x1, 0xd27, 0x3e, 0x80000001, 0x2, 0x20, 0x34, 0x100000001, 0xfb69, 0x8, 0x4, 0x430, 0x5c30, 0x80, 0x55, 0x401, 0x3, 0x8, 0x7fff, 0x0, 0xc726, 0xe6, 0x81, 0x2, 0x7, 0x5, 0x7ff, 0x6, 0xff, 0x400, 0x1, 0x5, 0x0, 0x9, 0x9, 0xffffffffffff8000, 0x5, 0x8000, 0x2, 0x3, 0x20, 0x9, 0xe63a, 0x5, 0xfffffffffffffffc, 0x7, 0xfff, 0x94e, 0x4, 0xfff, 0x400, 0x8d7, 0x0, 0x7f, 0x7f, 0x1, 0x2, 0x1ff, 0x81, 0x7f, 0x3, 0x8, 0x9, 0x8, 0x80000001, 0x4, 0x1780000000000, 0x101, 0x9, 0x139, 0xec3, 0x51]}) [ 2003.534734] block nbd0: shutting down sockets 22:53:46 executing program 3: r0 = syz_open_dev$ndb(&(0x7f0000000000)='/dev/nbd#\x00', 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab03, 0xffffffffffffffff) 22:53:46 executing program 4: r0 = syz_open_dev$ndb(&(0x7f0000000000)='/dev/nbd#\x00', 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = syz_open_dev$ndb(&(0x7f0000000140)='/dev/nbd#\x00', 0x0, 0x40) ioctl$NBD_CLEAR_SOCK(r2, 0xab04) ioctl$NBD_SET_SOCK(r0, 0xab03, 0xffffffffffffffff) r3 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x101000) r4 = openat$dlm_control(0xffffffffffffff9c, &(0x7f00000000c0)='/dev/dlm-control\x00', 0x101200, 0x0) ioctl$NBD_SET_SOCK(r3, 0xab00, r4) 22:53:46 executing program 2: openat$snapshot(0xffffffffffffff9c, &(0x7f0000000000)='/dev/snapshot\x00', 0x0, 0x0) ioctl$SNDCTL_TMR_METRONOME(0xffffffffffffffff, 0x40045407) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)) r0 = openat$sequencer(0xffffffffffffff9c, &(0x7f0000000140)='/dev/sequencer\x00', 0x0, 0x0) ioctl$SNDCTL_SEQ_PANIC(r0, 0x5111) ioctl$SNDCTL_SEQ_RESET(r0, 0x5100) [ 2003.737020] block nbd3: Receive control failed (result -32) [ 2003.737330] block nbd3: shutting down sockets [ 2003.803881] block nbd4: shutting down sockets 22:53:46 executing program 1: r0 = syz_open_dev$ndb(&(0x7f0000000000)='/dev/nbd#\x00', 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab03, 0xffffffffffffffff) 22:53:46 executing program 5: r0 = syz_open_dev$ndb(&(0x7f0000000000)='/dev/nbd#\x00', 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff, 0xffffffffffffffff}) ioctl$BTRFS_IOC_GET_DEV_STATS(r2, 0xc4089434, &(0x7f0000000180)={0x0, 0x0, 0x1, [0x9, 0x7fff, 0x3, 0xb1d, 0x5], [0x6, 0x3fb6, 0x3, 0xffffffffffffffff, 0xfffffffffffffc01, 0x200, 0x7e, 0x6cb, 0x800, 0x1, 0x2, 0x4, 0x7, 0x1, 0x7, 0x1, 0x3, 0x7, 0x100000001, 0x3, 0x6, 0x80, 0x4, 0x9, 0x3, 0x1e55, 0xb8, 0x2, 0x0, 0x4, 0x100000001, 0x1, 0x13e9, 0x10000, 0x3, 0x70f2, 0xcd4, 0x5, 0xfff, 0x0, 0x73e7, 0xfffffffffffffff8, 0x4, 0xfff, 0x7ff, 0x20, 0x3b, 0x5, 0x7ff, 0x5, 0x1, 0xfffffffffffffffd, 0x8, 0x1, 0xfffffffffffffff8, 0x3d78, 0x89d, 0x2, 0x2, 0x9b3e, 0x3, 0x5, 0x5, 0x472e0fff, 0x6, 0x7, 0x1b8, 0x2, 0xfffffffffffffffa, 0x1, 0xe4, 0x40, 0x81, 0x9, 0x9, 0x1, 0x3f, 0x5, 0x7, 0x8, 0x53, 0x7, 0x100, 0x7, 0x7fffffff, 0x7f, 0x7, 0x1, 0x1, 0x8, 0x7f, 0x5, 0x6, 0x4, 0x6, 0xad, 0x4, 0x9, 0x1ef2, 0x10001, 0x90, 0x4, 0x8001, 0xffff, 0x6, 0x98, 0x8, 0x29b, 0x7, 0xfffffffffffffffe, 0x0, 0x401, 0x5, 0xffffffffffffff81, 0x4, 0x5cf9, 0x9, 0x1fc0000000, 0x5c8, 0x5, 0x5]}) r3 = openat$dlm_control(0xffffffffffffff9c, &(0x7f0000000000)='/dev/dlm-control\x00', 0x0, 0x0) ioctl$SNDRV_PCM_IOCTL_XRUN(r3, 0x4148, 0x0) r4 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x48100) ioctl$NBD_SET_SOCK(r4, 0xab00, r1) r5 = syz_open_dev$ndb(&(0x7f0000000140)='/dev/nbd#\x00', 0x0, 0x0) ioctl$NBD_CLEAR_SOCK(r5, 0xab04) ioctl$NBD_SET_SOCK(r0, 0xab03, 0xffffffffffffffff) ioctl$NBD_SET_SIZE_BLOCKS(r5, 0xab07, 0x5) openat$kvm(0xffffffffffffff9c, &(0x7f00000000c0)='/dev/kvm\x00', 0x80002, 0x0) ioctl$NBD_CLEAR_QUE(r0, 0xab05) 22:53:46 executing program 0: r0 = syz_open_dev$ndb(&(0x7f0000000000)='/dev/nbd#\x00', 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = syz_open_dev$ndb(&(0x7f0000000140)='/dev/nbd#\x00', 0x0, 0x0) ioctl$NBD_CLEAR_SOCK(r2, 0xab04) r3 = openat$sequencer(0xffffffffffffff9c, &(0x7f0000000640)='/dev/sequencer\x00', 0x0, 0x0) ioctl$SNDCTL_SEQ_GETINCOUNT(r3, 0xc020660b, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab03, 0xffffffffffffffff) 22:53:46 executing program 2: openat$snapshot(0xffffffffffffff9c, &(0x7f0000000000)='/dev/snapshot\x00', 0x0, 0x0) ioctl$SNDCTL_TMR_METRONOME(0xffffffffffffffff, 0x40045407) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)) r0 = openat$sequencer(0xffffffffffffff9c, &(0x7f0000000140)='/dev/sequencer\x00', 0x0, 0x0) ioctl$SNDCTL_SEQ_PANIC(r0, 0x5111) ioctl$SNDCTL_SEQ_RESET(r0, 0x5100) 22:53:46 executing program 4: r0 = openat$snapshot(0xffffffffffffff9c, &(0x7f0000000040)='/dev/snapshot\x00', 0x2200, 0x0) ioctl$SNAPSHOT_S2RAM(r0, 0x40043311) [ 2003.866735] block nbd1: Receive control failed (result -32) [ 2003.873005] block nbd1: shutting down sockets [ 2003.962466] block nbd0: shutting down sockets [ 2003.971972] block nbd5: shutting down sockets 22:53:46 executing program 4: r0 = syz_open_dev$ndb(&(0x7f0000000000)='/dev/nbd#\x00', 0x0, 0x80400) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = syz_open_dev$ndb(&(0x7f0000000140)='/dev/nbd#\x00', 0x0, 0x8400) ioctl$NBD_CLEAR_SOCK(r2, 0xab04) ioctl$NBD_SET_SOCK(r0, 0xab03, 0xffffffffffffffff) [ 2004.011146] print_req_error: 105 callbacks suppressed [ 2004.011157] print_req_error: I/O error, dev nbd5, sector 0 [ 2004.022233] buffer_io_error: 118 callbacks suppressed [ 2004.022242] Buffer I/O error on dev nbd5, logical block 0, async page read [ 2004.035242] print_req_error: I/O error, dev nbd5, sector 2 [ 2004.041210] Buffer I/O error on dev nbd5, logical block 1, async page read [ 2004.048515] Buffer I/O error on dev nbd5, logical block 2, async page read [ 2004.055586] Buffer I/O error on dev nbd5, logical block 3, async page read [ 2004.063228] print_req_error: I/O error, dev nbd5, sector 0 [ 2004.069023] Buffer I/O error on dev nbd5, logical block 0, async page read [ 2004.076211] print_req_error: I/O error, dev nbd5, sector 2 [ 2004.082038] Buffer I/O error on dev nbd5, logical block 1, async page read [ 2004.082508] block nbd4: shutting down sockets [ 2004.096335] print_req_error: I/O error, dev nbd5, sector 4 [ 2004.102153] Buffer I/O error on dev nbd5, logical block 2, async page read 22:53:46 executing program 0: r0 = syz_open_dev$ndb(&(0x7f0000000000)='/dev/nbd#\x00', 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = syz_open_dev$ndb(&(0x7f0000000140)='/dev/nbd#\x00', 0x0, 0x0) ioctl$NBD_CLEAR_SOCK(r2, 0xab04) ioctl$NBD_SET_SOCK(r0, 0xc020660b, 0xffffffffffffffff) [ 2004.109520] Buffer I/O error on dev nbd5, logical block 3, async page read [ 2004.117083] print_req_error: I/O error, dev nbd5, sector 0 [ 2004.123052] Buffer I/O error on dev nbd5, logical block 0, async page read [ 2004.130416] Buffer I/O error on dev nbd5, logical block 1, async page read [ 2004.138092] print_req_error: I/O error, dev nbd5, sector 0 [ 2004.144141] print_req_error: I/O error, dev nbd5, sector 0 [ 2004.151419] print_req_error: I/O error, dev nbd5, sector 0 22:53:46 executing program 2: openat$snapshot(0xffffffffffffff9c, &(0x7f0000000000)='/dev/snapshot\x00', 0x0, 0x0) ioctl$SNDCTL_TMR_METRONOME(0xffffffffffffffff, 0x40045407) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)) r0 = openat$sequencer(0xffffffffffffff9c, &(0x7f0000000140)='/dev/sequencer\x00', 0x2, 0x0) ioctl$SNDCTL_SEQ_PANIC(0xffffffffffffffff, 0x5111) ioctl$SNDCTL_SEQ_RESET(r0, 0x5100) 22:53:46 executing program 4: r0 = syz_open_dev$ndb(&(0x7f0000000000)='/dev/nbd#\x00', 0x0, 0x40040) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = syz_open_dev$ndb(&(0x7f0000000140)='/dev/nbd#\x00', 0x0, 0x8400) ioctl$NBD_CLEAR_SOCK(r2, 0xab04) write$RDMA_USER_CM_CMD_INIT_QP_ATTR(0xffffffffffffffff, &(0x7f00000002c0)={0xb, 0x10, 0xfa00, {&(0x7f0000000200), 0xffffffffffffffff, 0xc4}}, 0x18) r3 = openat$dlm_control(0xffffffffffffff9c, &(0x7f0000000000)='/dev/dlm-control\x00', 0x0, 0x0) ioctl$SNDRV_PCM_IOCTL_XRUN(r3, 0x4148, 0x0) write$FUSE_INTERRUPT(r3, &(0x7f0000000300)={0x10}, 0x10) bpf$BPF_GET_BTF_INFO(0xf, &(0x7f00000001c0)={r3, 0x10, &(0x7f0000000180)={&(0x7f0000000080)=""/157, 0x9d}}, 0x10) ioctl$NBD_SET_SOCK(r0, 0xab03, 0xffffffffffffffff) [ 2004.157361] print_req_error: I/O error, dev nbd5, sector 2 [ 2004.164060] ldm_validate_partition_table(): Disk read failed. [ 2004.182202] Dev nbd5: unable to read RDB block 0 [ 2004.201446] nbd5: unable to read partition table [ 2004.220241] nbd5: partition table beyond EOD, truncated [ 2004.228782] block nbd0: shutting down sockets [ 2004.275056] ldm_validate_partition_table(): Disk read failed. [ 2004.283588] block nbd4: shutting down sockets [ 2004.293821] Dev nbd5: unable to read RDB block 0 [ 2004.322518] nbd5: unable to read partition table [ 2004.333051] nbd5: partition table beyond EOD, truncated 22:53:47 executing program 3: r0 = syz_open_dev$ndb(&(0x7f0000000000)='/dev/nbd#\x00', 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab03, 0xffffffffffffffff) 22:53:47 executing program 5: r0 = syz_open_dev$ndb(&(0x7f0000000000)='/dev/nbd#\x00', 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff, 0xffffffffffffffff}) ioctl$BTRFS_IOC_GET_DEV_STATS(r2, 0xc4089434, &(0x7f0000000180)={0x0, 0x0, 0x1, [0x9, 0x7fff, 0x3, 0xb1d, 0x5], [0x6, 0x3fb6, 0x3, 0xffffffffffffffff, 0xfffffffffffffc01, 0x200, 0x7e, 0x6cb, 0x800, 0x1, 0x2, 0x4, 0x7, 0x1, 0x7, 0x1, 0x3, 0x7, 0x100000001, 0x3, 0x6, 0x80, 0x4, 0x9, 0x3, 0x1e55, 0xb8, 0x2, 0x0, 0x4, 0x100000001, 0x1, 0x13e9, 0x10000, 0x3, 0x70f2, 0xcd4, 0x5, 0xfff, 0x0, 0x73e7, 0xfffffffffffffff8, 0x4, 0xfff, 0x7ff, 0x20, 0x3b, 0x5, 0x7ff, 0x5, 0x1, 0xfffffffffffffffd, 0x8, 0x1, 0xfffffffffffffff8, 0x3d78, 0x89d, 0x2, 0x2, 0x9b3e, 0x3, 0x5, 0x5, 0x472e0fff, 0x6, 0x7, 0x1b8, 0x2, 0xfffffffffffffffa, 0x1, 0xe4, 0x40, 0x81, 0x9, 0x9, 0x1, 0x3f, 0x5, 0x7, 0x8, 0x53, 0x7, 0x100, 0x7, 0x7fffffff, 0x7f, 0x7, 0x1, 0x1, 0x8, 0x7f, 0x5, 0x6, 0x4, 0x6, 0xad, 0x4, 0x9, 0x1ef2, 0x10001, 0x90, 0x4, 0x8001, 0xffff, 0x6, 0x98, 0x8, 0x29b, 0x7, 0xfffffffffffffffe, 0x0, 0x401, 0x5, 0xffffffffffffff81, 0x4, 0x5cf9, 0x9, 0x1fc0000000, 0x5c8, 0x5, 0x5]}) r3 = openat$dlm_control(0xffffffffffffff9c, &(0x7f0000000000)='/dev/dlm-control\x00', 0x0, 0x0) ioctl$SNDRV_PCM_IOCTL_XRUN(r3, 0x4148, 0x0) r4 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x48100) ioctl$NBD_SET_SOCK(r4, 0xab00, r1) r5 = syz_open_dev$ndb(&(0x7f0000000140)='/dev/nbd#\x00', 0x0, 0x0) ioctl$NBD_CLEAR_SOCK(r5, 0xab04) ioctl$NBD_SET_SOCK(r0, 0xab03, 0xffffffffffffffff) ioctl$NBD_SET_SIZE_BLOCKS(r5, 0xab07, 0x5) openat$kvm(0xffffffffffffff9c, &(0x7f00000000c0)='/dev/kvm\x00', 0x80002, 0x0) ioctl$NBD_CLEAR_QUE(r0, 0xab05) 22:53:47 executing program 0: r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = syz_open_dev$ndb(&(0x7f0000000140)='/dev/nbd#\x00', 0x0, 0x8400) ioctl$NBD_CLEAR_SOCK(r2, 0xab04) ioctl$NBD_SET_SOCK(r0, 0xab03, 0xffffffffffffffff) [ 2004.658850] block nbd3: Receive control failed (result -32) [ 2004.665022] block nbd3: shutting down sockets [ 2004.711868] block nbd5: shutting down sockets [ 2004.726619] block nbd0: shutting down sockets 22:53:47 executing program 1: r0 = syz_open_dev$ndb(&(0x7f0000000000)='/dev/nbd#\x00', 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab03, 0xffffffffffffffff) 22:53:47 executing program 2: openat$snapshot(0xffffffffffffff9c, &(0x7f0000000000)='/dev/snapshot\x00', 0x0, 0x0) ioctl$SNDCTL_TMR_METRONOME(0xffffffffffffffff, 0x40045407) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)) r0 = openat$sequencer(0xffffffffffffff9c, &(0x7f0000000140)='/dev/sequencer\x00', 0x2, 0x0) ioctl$SNDCTL_SEQ_PANIC(0xffffffffffffffff, 0x5111) ioctl$SNDCTL_SEQ_RESET(r0, 0x5100) 22:53:47 executing program 4: r0 = syz_open_dev$ndb(&(0x7f0000000000)='/dev/nbd#\x00', 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = syz_open_dev$ndb(&(0x7f0000000140)='/dev/nbd#\x00', 0x0, 0x0) ioctl$NBD_CLEAR_SOCK(r2, 0xab04) ioctl$NBD_SET_SOCK(r0, 0xc0045878, 0xffffffffffffffff) 22:53:47 executing program 5: r0 = syz_open_dev$ndb(&(0x7f0000000000)='/dev/nbd#\x00', 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff, 0xffffffffffffffff}) ioctl$BTRFS_IOC_GET_DEV_STATS(r2, 0xc4089434, &(0x7f0000000180)={0x0, 0x0, 0x1, [0x9, 0x7fff, 0x3, 0xb1d, 0x5], [0x6, 0x3fb6, 0x3, 0xffffffffffffffff, 0xfffffffffffffc01, 0x200, 0x7e, 0x6cb, 0x800, 0x1, 0x2, 0x4, 0x7, 0x1, 0x7, 0x1, 0x3, 0x7, 0x100000001, 0x3, 0x6, 0x80, 0x4, 0x9, 0x3, 0x1e55, 0xb8, 0x2, 0x0, 0x4, 0x100000001, 0x1, 0x13e9, 0x10000, 0x3, 0x70f2, 0xcd4, 0x5, 0xfff, 0x0, 0x73e7, 0xfffffffffffffff8, 0x4, 0xfff, 0x7ff, 0x20, 0x3b, 0x5, 0x7ff, 0x5, 0x1, 0xfffffffffffffffd, 0x8, 0x1, 0xfffffffffffffff8, 0x3d78, 0x89d, 0x2, 0x2, 0x9b3e, 0x3, 0x5, 0x5, 0x472e0fff, 0x6, 0x7, 0x1b8, 0x2, 0xfffffffffffffffa, 0x1, 0xe4, 0x40, 0x81, 0x9, 0x9, 0x1, 0x3f, 0x5, 0x7, 0x8, 0x53, 0x7, 0x100, 0x7, 0x7fffffff, 0x7f, 0x7, 0x1, 0x1, 0x8, 0x7f, 0x5, 0x6, 0x4, 0x6, 0xad, 0x4, 0x9, 0x1ef2, 0x10001, 0x90, 0x4, 0x8001, 0xffff, 0x6, 0x98, 0x8, 0x29b, 0x7, 0xfffffffffffffffe, 0x0, 0x401, 0x5, 0xffffffffffffff81, 0x4, 0x5cf9, 0x9, 0x1fc0000000, 0x5c8, 0x5, 0x5]}) r3 = openat$dlm_control(0xffffffffffffff9c, &(0x7f0000000000)='/dev/dlm-control\x00', 0x0, 0x0) ioctl$SNDRV_PCM_IOCTL_XRUN(r3, 0x4148, 0x0) r4 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x48100) ioctl$NBD_SET_SOCK(r4, 0xab00, r1) r5 = syz_open_dev$ndb(&(0x7f0000000140)='/dev/nbd#\x00', 0x0, 0x0) ioctl$NBD_CLEAR_SOCK(r5, 0xab04) ioctl$NBD_SET_SOCK(r0, 0xab03, 0xffffffffffffffff) ioctl$NBD_SET_SIZE_BLOCKS(r5, 0xab07, 0x5) openat$kvm(0xffffffffffffff9c, &(0x7f00000000c0)='/dev/kvm\x00', 0x80002, 0x0) ioctl$NBD_CLEAR_QUE(r0, 0xab05) 22:53:47 executing program 0: r0 = openat$snapshot(0xffffffffffffff9c, &(0x7f0000000000)='/dev/snapshot\x00', 0x0, 0x0) r1 = openat$dlm_control(0xffffffffffffff9c, &(0x7f0000000000)='/dev/dlm-control\x00', 0x0, 0x0) r2 = openat$dlm_control(0xffffffffffffff9c, &(0x7f0000002200)='/dev/dlm-control\x00', 0x4000, 0x0) ioctl$DMA_BUF_IOCTL_SYNC(r2, 0x40086200, &(0x7f0000002240)) ioctl$SNDRV_PCM_IOCTL_XRUN(r1, 0x4148, 0x0) r3 = openat$dlm_control(0xffffffffffffff9c, &(0x7f0000000000)='/dev/dlm-control\x00', 0x0, 0x0) ioctl$SNDRV_PCM_IOCTL_XRUN(r3, 0x4148, 0x0) ioctl$SNDRV_PCM_IOCTL_STATUS64(r3, 0x80984120, &(0x7f0000002280)) ioctl$SNDRV_PCM_IOCTL_INFO(r2, 0x81204101, &(0x7f0000002340)) read$FUSE(r1, &(0x7f0000000040)={0x2020}, 0x2020) r4 = socket$nl_generic(0x10, 0x3, 0x10) sendmsg$MPTCP_PM_CMD_SET_LIMITS(r4, &(0x7f0000002480)={&(0x7f0000000bc0)={0x10, 0x0, 0x0, 0x20400000}, 0xc, &(0x7f0000000c40)={&(0x7f0000000c00)={0x14}, 0x14}}, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f00000020c0)) sendmsg$NBD_CMD_DISCONNECT(r4, &(0x7f00000021c0)={&(0x7f0000002080)={0x10, 0x0, 0x0, 0x1}, 0xc, &(0x7f0000002180)={&(0x7f0000002100)={0x54, 0x0, 0x20, 0x70bd25, 0x25dfdbfd, {}, [@NBD_ATTR_TIMEOUT={0xc, 0x4, 0x7f}, @NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x7}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x6}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x2d}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0xfff}]}, 0x54}, 0x1, 0x0, 0x0, 0x20000800}, 0x0) ioctl$SNAPSHOT_S2RAM(r0, 0x330b) [ 2004.805260] block nbd1: Receive control failed (result -32) [ 2004.811918] block nbd1: shutting down sockets 22:53:47 executing program 2: openat$snapshot(0xffffffffffffff9c, &(0x7f0000000000)='/dev/snapshot\x00', 0x0, 0x0) ioctl$SNDCTL_TMR_METRONOME(0xffffffffffffffff, 0x40045407) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)) r0 = openat$sequencer(0xffffffffffffff9c, &(0x7f0000000140)='/dev/sequencer\x00', 0x2, 0x0) ioctl$SNDCTL_SEQ_PANIC(0xffffffffffffffff, 0x5111) ioctl$SNDCTL_SEQ_RESET(r0, 0x5100) 22:53:47 executing program 0: r0 = syz_open_dev$ndb(&(0x7f0000000000)='/dev/nbd#\x00', 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = syz_open_dev$ndb(&(0x7f0000000140)='/dev/nbd#\x00', 0x0, 0x0) ioctl$NBD_CLEAR_SOCK(r2, 0xab04) ioctl$NBD_SET_SOCK(r0, 0x401870cb, 0xffffffffffffffff) [ 2004.912404] dlm: non-version read from control device 8224 [ 2004.920815] block nbd4: shutting down sockets [ 2004.950007] block nbd5: shutting down sockets 22:53:47 executing program 4: r0 = syz_open_dev$ndb(&(0x7f0000000000)='/dev/nbd#\x00', 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = syz_open_dev$ndb(&(0x7f0000000140)='/dev/nbd#\x00', 0x0, 0x0) ioctl$NBD_CLEAR_SOCK(r2, 0xab04) ioctl$NBD_SET_SOCK(r0, 0x401070ca, 0xffffffffffffffff) 22:53:47 executing program 5: r0 = syz_open_dev$ndb(&(0x7f0000000000)='/dev/nbd#\x00', 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff, 0xffffffffffffffff}) ioctl$BTRFS_IOC_GET_DEV_STATS(r2, 0xc4089434, &(0x7f0000000180)={0x0, 0x0, 0x1, [0x9, 0x7fff, 0x3, 0xb1d, 0x5], [0x6, 0x3fb6, 0x3, 0xffffffffffffffff, 0xfffffffffffffc01, 0x200, 0x7e, 0x6cb, 0x800, 0x1, 0x2, 0x4, 0x7, 0x1, 0x7, 0x1, 0x3, 0x7, 0x100000001, 0x3, 0x6, 0x80, 0x4, 0x9, 0x3, 0x1e55, 0xb8, 0x2, 0x0, 0x4, 0x100000001, 0x1, 0x13e9, 0x10000, 0x3, 0x70f2, 0xcd4, 0x5, 0xfff, 0x0, 0x73e7, 0xfffffffffffffff8, 0x4, 0xfff, 0x7ff, 0x20, 0x3b, 0x5, 0x7ff, 0x5, 0x1, 0xfffffffffffffffd, 0x8, 0x1, 0xfffffffffffffff8, 0x3d78, 0x89d, 0x2, 0x2, 0x9b3e, 0x3, 0x5, 0x5, 0x472e0fff, 0x6, 0x7, 0x1b8, 0x2, 0xfffffffffffffffa, 0x1, 0xe4, 0x40, 0x81, 0x9, 0x9, 0x1, 0x3f, 0x5, 0x7, 0x8, 0x53, 0x7, 0x100, 0x7, 0x7fffffff, 0x7f, 0x7, 0x1, 0x1, 0x8, 0x7f, 0x5, 0x6, 0x4, 0x6, 0xad, 0x4, 0x9, 0x1ef2, 0x10001, 0x90, 0x4, 0x8001, 0xffff, 0x6, 0x98, 0x8, 0x29b, 0x7, 0xfffffffffffffffe, 0x0, 0x401, 0x5, 0xffffffffffffff81, 0x4, 0x5cf9, 0x9, 0x1fc0000000, 0x5c8, 0x5, 0x5]}) r3 = openat$dlm_control(0xffffffffffffff9c, &(0x7f0000000000)='/dev/dlm-control\x00', 0x0, 0x0) ioctl$SNDRV_PCM_IOCTL_XRUN(r3, 0x4148, 0x0) r4 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x48100) ioctl$NBD_SET_SOCK(r4, 0xab00, r1) r5 = syz_open_dev$ndb(&(0x7f0000000140)='/dev/nbd#\x00', 0x0, 0x0) ioctl$NBD_CLEAR_SOCK(r5, 0xab04) ioctl$NBD_SET_SOCK(r0, 0xab03, 0xffffffffffffffff) ioctl$NBD_SET_SIZE_BLOCKS(r5, 0xab07, 0x5) openat$kvm(0xffffffffffffff9c, &(0x7f00000000c0)='/dev/kvm\x00', 0x80002, 0x0) [ 2005.049245] block nbd0: shutting down sockets [ 2005.090953] block nbd4: shutting down sockets [ 2005.122344] block nbd5: shutting down sockets 22:53:48 executing program 3: r0 = syz_open_dev$ndb(&(0x7f0000000000)='/dev/nbd#\x00', 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab03, 0xffffffffffffffff) 22:53:48 executing program 2: openat$snapshot(0xffffffffffffff9c, &(0x7f0000000000)='/dev/snapshot\x00', 0x0, 0x0) ioctl$SNDCTL_TMR_METRONOME(0xffffffffffffffff, 0x40045407) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)) r0 = openat$sequencer(0xffffffffffffff9c, &(0x7f0000000140)='/dev/sequencer\x00', 0x2, 0x0) ioctl$SNDCTL_SEQ_PANIC(r0, 0x5111) ioctl$SNDCTL_SEQ_RESET(0xffffffffffffffff, 0x5100) 22:53:48 executing program 0: r0 = syz_open_dev$ndb(&(0x7f0000000000)='/dev/nbd#\x00', 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = syz_open_dev$ndb(&(0x7f0000000140)='/dev/nbd#\x00', 0x0, 0x8400) ioctl$NBD_CLEAR_SOCK(r2, 0xab04) ioctl$NBD_SET_SOCK(r0, 0x4020940d, 0xffffffffffffffff) [ 2005.579383] block nbd3: Receive control failed (result -32) [ 2005.580809] block nbd3: shutting down sockets [ 2005.644628] block nbd0: shutting down sockets 22:53:48 executing program 1: r0 = syz_open_dev$ndb(&(0x7f0000000000)='/dev/nbd#\x00', 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x13e) ioctl$NBD_SET_SOCK(0xffffffffffffffff, 0xab03, 0xffffffffffffffff) 22:53:48 executing program 4: r0 = openat$snapshot(0xffffffffffffff9c, &(0x7f0000000000)='/dev/snapshot\x00', 0x4243, 0x0) openat$sequencer2(0xffffffffffffff9c, &(0x7f0000000040)='/dev/sequencer2\x00', 0x68002, 0x0) ioctl$SNAPSHOT_S2RAM(r0, 0x330b) sendmsg$NLBL_MGMT_C_LISTDEF(0xffffffffffffffff, &(0x7f0000000140)={&(0x7f0000000080)={0x10, 0x0, 0x0, 0x400000}, 0xc, &(0x7f0000000100)={&(0x7f00000000c0)={0x30, 0x0, 0x2, 0x70bd2d, 0x25dfdbfe, {}, [@NLBL_MGMT_A_CV4DOI={0x8, 0x4, 0xffffffffffffffff}, @NLBL_MGMT_A_IPV6ADDR={0x14, 0x5, @empty}]}, 0x30}, 0x1, 0x0, 0x0, 0xc4}, 0x841) 22:53:48 executing program 5: r0 = syz_open_dev$ndb(&(0x7f0000000000)='/dev/nbd#\x00', 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff, 0xffffffffffffffff}) ioctl$BTRFS_IOC_GET_DEV_STATS(r2, 0xc4089434, &(0x7f0000000180)={0x0, 0x0, 0x1, [0x9, 0x7fff, 0x3, 0xb1d, 0x5], [0x6, 0x3fb6, 0x3, 0xffffffffffffffff, 0xfffffffffffffc01, 0x200, 0x7e, 0x6cb, 0x800, 0x1, 0x2, 0x4, 0x7, 0x1, 0x7, 0x1, 0x3, 0x7, 0x100000001, 0x3, 0x6, 0x80, 0x4, 0x9, 0x3, 0x1e55, 0xb8, 0x2, 0x0, 0x4, 0x100000001, 0x1, 0x13e9, 0x10000, 0x3, 0x70f2, 0xcd4, 0x5, 0xfff, 0x0, 0x73e7, 0xfffffffffffffff8, 0x4, 0xfff, 0x7ff, 0x20, 0x3b, 0x5, 0x7ff, 0x5, 0x1, 0xfffffffffffffffd, 0x8, 0x1, 0xfffffffffffffff8, 0x3d78, 0x89d, 0x2, 0x2, 0x9b3e, 0x3, 0x5, 0x5, 0x472e0fff, 0x6, 0x7, 0x1b8, 0x2, 0xfffffffffffffffa, 0x1, 0xe4, 0x40, 0x81, 0x9, 0x9, 0x1, 0x3f, 0x5, 0x7, 0x8, 0x53, 0x7, 0x100, 0x7, 0x7fffffff, 0x7f, 0x7, 0x1, 0x1, 0x8, 0x7f, 0x5, 0x6, 0x4, 0x6, 0xad, 0x4, 0x9, 0x1ef2, 0x10001, 0x90, 0x4, 0x8001, 0xffff, 0x6, 0x98, 0x8, 0x29b, 0x7, 0xfffffffffffffffe, 0x0, 0x401, 0x5, 0xffffffffffffff81, 0x4, 0x5cf9, 0x9, 0x1fc0000000, 0x5c8, 0x5, 0x5]}) r3 = openat$dlm_control(0xffffffffffffff9c, &(0x7f0000000000)='/dev/dlm-control\x00', 0x0, 0x0) ioctl$SNDRV_PCM_IOCTL_XRUN(r3, 0x4148, 0x0) r4 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x48100) ioctl$NBD_SET_SOCK(r4, 0xab00, r1) r5 = syz_open_dev$ndb(&(0x7f0000000140)='/dev/nbd#\x00', 0x0, 0x0) ioctl$NBD_CLEAR_SOCK(r5, 0xab04) ioctl$NBD_SET_SOCK(r0, 0xab03, 0xffffffffffffffff) ioctl$NBD_SET_SIZE_BLOCKS(r5, 0xab07, 0x5) 22:53:48 executing program 2: openat$snapshot(0xffffffffffffff9c, &(0x7f0000000000)='/dev/snapshot\x00', 0x0, 0x0) ioctl$SNDCTL_TMR_METRONOME(0xffffffffffffffff, 0x40045407) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)) r0 = openat$sequencer(0xffffffffffffff9c, &(0x7f0000000140)='/dev/sequencer\x00', 0x2, 0x0) ioctl$SNDCTL_SEQ_PANIC(r0, 0x5111) ioctl$SNDCTL_SEQ_RESET(0xffffffffffffffff, 0x5100) 22:53:48 executing program 0: r0 = syz_open_dev$ndb(&(0x7f0000000000)='/dev/nbd#\x00', 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff, 0xffffffffffffffff}) ioctl$BTRFS_IOC_GET_DEV_STATS(r2, 0xc4089434, &(0x7f0000000180)={0x0, 0x0, 0x1, [0x9, 0x7fff, 0x3, 0xb1d, 0x5], [0x6, 0x3fb6, 0x3, 0xffffffffffffffff, 0xfffffffffffffc01, 0x200, 0x7e, 0x6cb, 0x800, 0x1, 0x2, 0x4, 0x7, 0x1, 0x7, 0x1, 0x3, 0x7, 0x100000001, 0x3, 0x6, 0x80, 0x4, 0x9, 0x3, 0x1e55, 0xb8, 0x2, 0x0, 0x4, 0x100000001, 0x1, 0x13e9, 0x10000, 0x3, 0x70f2, 0xcd4, 0x5, 0xfff, 0x0, 0x73e7, 0xfffffffffffffff8, 0x4, 0xfff, 0x7ff, 0x20, 0x3b, 0x5, 0x7ff, 0x5, 0x1, 0xfffffffffffffffd, 0x8, 0x1, 0xfffffffffffffff8, 0x3d78, 0x89d, 0x2, 0x2, 0x9b3e, 0x3, 0x5, 0x5, 0x472e0fff, 0x6, 0x7, 0x1b8, 0x2, 0xfffffffffffffffa, 0x1, 0xe4, 0x40, 0x81, 0x9, 0x9, 0x1, 0x3f, 0x5, 0x7, 0x8, 0x53, 0x7, 0x100, 0x7, 0x7fffffff, 0x7f, 0x7, 0x1, 0x1, 0x8, 0x7f, 0x5, 0x6, 0x4, 0x6, 0xad, 0x4, 0x9, 0x1ef2, 0x10001, 0x90, 0x4, 0x8001, 0xffff, 0x6, 0x98, 0x8, 0x29b, 0x7, 0xfffffffffffffffe, 0x0, 0x401, 0x5, 0xffffffffffffff81, 0x4, 0x5cf9, 0x9, 0x1fc0000000, 0x5c8, 0x5, 0x5]}) r3 = openat$dlm_control(0xffffffffffffff9c, &(0x7f0000000000)='/dev/dlm-control\x00', 0x0, 0x0) ioctl$SNDRV_PCM_IOCTL_XRUN(r3, 0x4148, 0x0) r4 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x48100) ioctl$NBD_SET_SOCK(r4, 0xab00, r1) r5 = syz_open_dev$ndb(&(0x7f0000000140)='/dev/nbd#\x00', 0x0, 0x0) ioctl$NBD_CLEAR_SOCK(r5, 0xab04) ioctl$NBD_SET_SOCK(r0, 0xab03, 0xffffffffffffffff) ioctl$NBD_SET_SIZE_BLOCKS(r5, 0xab07, 0x5) openat$kvm(0xffffffffffffff9c, &(0x7f00000000c0)='/dev/kvm\x00', 0x80002, 0x0) [ 2005.754970] block nbd1: Receive control failed (result -32) [ 2005.755280] block nbd1: shutting down sockets [ 2005.834256] block nbd5: shutting down sockets [ 2005.856508] block nbd0: shutting down sockets [ 2005.863932] block nbd1: shutting down sockets 22:53:48 executing program 5: syz_open_dev$ndb(&(0x7f0000000000)='/dev/nbd#\x00', 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff, 0xffffffffffffffff}) ioctl$BTRFS_IOC_GET_DEV_STATS(r1, 0xc4089434, &(0x7f0000000180)={0x0, 0x0, 0x1, [0x9, 0x7fff, 0x3, 0xb1d, 0x5], [0x6, 0x3fb6, 0x3, 0xffffffffffffffff, 0xfffffffffffffc01, 0x200, 0x7e, 0x6cb, 0x800, 0x1, 0x2, 0x4, 0x7, 0x1, 0x7, 0x1, 0x3, 0x7, 0x100000001, 0x3, 0x6, 0x80, 0x4, 0x9, 0x3, 0x1e55, 0xb8, 0x2, 0x0, 0x4, 0x100000001, 0x1, 0x13e9, 0x10000, 0x3, 0x70f2, 0xcd4, 0x5, 0xfff, 0x0, 0x73e7, 0xfffffffffffffff8, 0x4, 0xfff, 0x7ff, 0x20, 0x3b, 0x5, 0x7ff, 0x5, 0x1, 0xfffffffffffffffd, 0x8, 0x1, 0xfffffffffffffff8, 0x3d78, 0x89d, 0x2, 0x2, 0x9b3e, 0x3, 0x5, 0x5, 0x472e0fff, 0x6, 0x7, 0x1b8, 0x2, 0xfffffffffffffffa, 0x1, 0xe4, 0x40, 0x81, 0x9, 0x9, 0x1, 0x3f, 0x5, 0x7, 0x8, 0x53, 0x7, 0x100, 0x7, 0x7fffffff, 0x7f, 0x7, 0x1, 0x1, 0x8, 0x7f, 0x5, 0x6, 0x4, 0x6, 0xad, 0x4, 0x9, 0x1ef2, 0x10001, 0x90, 0x4, 0x8001, 0xffff, 0x6, 0x98, 0x8, 0x29b, 0x7, 0xfffffffffffffffe, 0x0, 0x401, 0x5, 0xffffffffffffff81, 0x4, 0x5cf9, 0x9, 0x1fc0000000, 0x5c8, 0x5, 0x5]}) r2 = openat$dlm_control(0xffffffffffffff9c, &(0x7f0000000000)='/dev/dlm-control\x00', 0x0, 0x0) ioctl$SNDRV_PCM_IOCTL_XRUN(r2, 0x4148, 0x0) r3 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x48100) ioctl$NBD_SET_SOCK(r3, 0xab00, r0) r4 = syz_open_dev$ndb(&(0x7f0000000140)='/dev/nbd#\x00', 0x0, 0x0) ioctl$NBD_CLEAR_SOCK(r4, 0xab04) ioctl$NBD_SET_SIZE_BLOCKS(r4, 0xab07, 0x5) 22:53:48 executing program 2: openat$snapshot(0xffffffffffffff9c, &(0x7f0000000000)='/dev/snapshot\x00', 0x0, 0x0) ioctl$SNDCTL_TMR_METRONOME(0xffffffffffffffff, 0x40045407) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)) r0 = openat$sequencer(0xffffffffffffff9c, &(0x7f0000000140)='/dev/sequencer\x00', 0x2, 0x0) ioctl$SNDCTL_SEQ_PANIC(r0, 0x5111) ioctl$SNDCTL_SEQ_RESET(0xffffffffffffffff, 0x5100) [ 2005.900854] ldm_validate_partition_table(): Disk read failed. 22:53:48 executing program 1: r0 = syz_open_dev$ndb(&(0x7f0000000000)='/dev/nbd#\x00', 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x13e) ioctl$NBD_SET_SOCK(0xffffffffffffffff, 0xab03, 0xffffffffffffffff) [ 2005.959860] Dev nbd0: unable to read RDB block 0 [ 2005.981555] nbd0: unable to read partition table [ 2005.999124] nbd0: partition table beyond EOD, truncated [ 2006.015100] ldm_validate_partition_table(): Disk read failed. [ 2006.025307] Dev nbd0: unable to read RDB block 0 22:53:48 executing program 4: r0 = syz_open_dev$ndb(&(0x7f0000000000)='/dev/nbd#\x00', 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff, 0xffffffffffffffff}) ioctl$BTRFS_IOC_GET_DEV_STATS(r2, 0xc4089434, &(0x7f0000000180)={0x0, 0x0, 0x1, [0x9, 0x7fff, 0x3, 0xb1d, 0x5], [0x6, 0x3fb6, 0x3, 0xffffffffffffffff, 0xfffffffffffffc01, 0x200, 0x7e, 0x6cb, 0x800, 0x1, 0x2, 0x4, 0x7, 0x1, 0x7, 0x1, 0x3, 0x7, 0x100000001, 0x3, 0x6, 0x80, 0x4, 0x9, 0x3, 0x1e55, 0xb8, 0x2, 0x0, 0x4, 0x100000001, 0x1, 0x13e9, 0x10000, 0x3, 0x70f2, 0xcd4, 0x5, 0xfff, 0x0, 0x73e7, 0xfffffffffffffff8, 0x4, 0xfff, 0x7ff, 0x20, 0x3b, 0x5, 0x7ff, 0x5, 0x1, 0xfffffffffffffffd, 0x8, 0x1, 0xfffffffffffffff8, 0x3d78, 0x89d, 0x2, 0x2, 0x9b3e, 0x3, 0x5, 0x5, 0x472e0fff, 0x6, 0x7, 0x1b8, 0x2, 0xfffffffffffffffa, 0x1, 0xe4, 0x40, 0x81, 0x9, 0x9, 0x1, 0x3f, 0x5, 0x7, 0x8, 0x53, 0x7, 0x100, 0x7, 0x7fffffff, 0x7f, 0x7, 0x1, 0x1, 0x8, 0x7f, 0x5, 0x6, 0x4, 0x6, 0xad, 0x4, 0x9, 0x1ef2, 0x10001, 0x90, 0x4, 0x8001, 0xffff, 0x6, 0x98, 0x8, 0x29b, 0x7, 0xfffffffffffffffe, 0x0, 0x401, 0x5, 0xffffffffffffff81, 0x4, 0x5cf9, 0x9, 0x1fc0000000, 0x5c8, 0x5, 0x5]}) r3 = openat$dlm_control(0xffffffffffffff9c, &(0x7f0000000000)='/dev/dlm-control\x00', 0x0, 0x0) ioctl$SNDRV_PCM_IOCTL_XRUN(r3, 0x4148, 0x0) r4 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x48100) ioctl$NBD_SET_SOCK(r4, 0xab00, r1) r5 = syz_open_dev$ndb(&(0x7f0000000140)='/dev/nbd#\x00', 0x0, 0x0) ioctl$NBD_CLEAR_SOCK(r5, 0xab04) ioctl$NBD_SET_SOCK(r0, 0xab03, 0xffffffffffffffff) ioctl$NBD_SET_SIZE_BLOCKS(r5, 0xab07, 0x5) [ 2006.043400] nbd0: unable to read partition table [ 2006.074273] block nbd1: shutting down sockets [ 2006.075048] nbd0: partition table beyond EOD, truncated [ 2006.079166] block nbd5: shutting down sockets [ 2006.182944] block nbd4: shutting down sockets 22:53:49 executing program 3: r0 = syz_open_dev$ndb(&(0x7f0000000000)='/dev/nbd#\x00', 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x13e) ioctl$NBD_SET_SOCK(0xffffffffffffffff, 0xab03, 0xffffffffffffffff) 22:53:49 executing program 0: r0 = openat$snapshot(0xffffffffffffff9c, &(0x7f0000000000)='/dev/snapshot\x00', 0x0, 0x0) openat$dlm_control(0xffffffffffffff9c, &(0x7f0000000040)='/dev/dlm-control\x00', 0x244000, 0x0) openat$snapshot(0xffffffffffffff9c, &(0x7f0000000080)='/dev/snapshot\x00', 0x100, 0x0) openat$snapshot(0xffffffffffffff9c, &(0x7f00000000c0)='/dev/snapshot\x00', 0x2, 0x0) ioctl$SNAPSHOT_S2RAM(r0, 0x40043311) 22:53:49 executing program 1: r0 = syz_open_dev$ndb(&(0x7f0000000000)='/dev/nbd#\x00', 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x13e) ioctl$NBD_SET_SOCK(0xffffffffffffffff, 0xab03, 0xffffffffffffffff) 22:53:49 executing program 2: r0 = openat$snapshot(0xffffffffffffff9c, &(0x7f0000000000)='/dev/snapshot\x00', 0x0, 0x0) ioctl$SNAPSHOT_S2RAM(r0, 0x80083314) 22:53:49 executing program 5: syz_open_dev$ndb(&(0x7f0000000000)='/dev/nbd#\x00', 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff, 0xffffffffffffffff}) ioctl$BTRFS_IOC_GET_DEV_STATS(r1, 0xc4089434, &(0x7f0000000180)={0x0, 0x0, 0x1, [0x9, 0x7fff, 0x3, 0xb1d, 0x5], [0x6, 0x3fb6, 0x3, 0xffffffffffffffff, 0xfffffffffffffc01, 0x200, 0x7e, 0x6cb, 0x800, 0x1, 0x2, 0x4, 0x7, 0x1, 0x7, 0x1, 0x3, 0x7, 0x100000001, 0x3, 0x6, 0x80, 0x4, 0x9, 0x3, 0x1e55, 0xb8, 0x2, 0x0, 0x4, 0x100000001, 0x1, 0x13e9, 0x10000, 0x3, 0x70f2, 0xcd4, 0x5, 0xfff, 0x0, 0x73e7, 0xfffffffffffffff8, 0x4, 0xfff, 0x7ff, 0x20, 0x3b, 0x5, 0x7ff, 0x5, 0x1, 0xfffffffffffffffd, 0x8, 0x1, 0xfffffffffffffff8, 0x3d78, 0x89d, 0x2, 0x2, 0x9b3e, 0x3, 0x5, 0x5, 0x472e0fff, 0x6, 0x7, 0x1b8, 0x2, 0xfffffffffffffffa, 0x1, 0xe4, 0x40, 0x81, 0x9, 0x9, 0x1, 0x3f, 0x5, 0x7, 0x8, 0x53, 0x7, 0x100, 0x7, 0x7fffffff, 0x7f, 0x7, 0x1, 0x1, 0x8, 0x7f, 0x5, 0x6, 0x4, 0x6, 0xad, 0x4, 0x9, 0x1ef2, 0x10001, 0x90, 0x4, 0x8001, 0xffff, 0x6, 0x98, 0x8, 0x29b, 0x7, 0xfffffffffffffffe, 0x0, 0x401, 0x5, 0xffffffffffffff81, 0x4, 0x5cf9, 0x9, 0x1fc0000000, 0x5c8, 0x5, 0x5]}) r2 = openat$dlm_control(0xffffffffffffff9c, &(0x7f0000000000)='/dev/dlm-control\x00', 0x0, 0x0) ioctl$SNDRV_PCM_IOCTL_XRUN(r2, 0x4148, 0x0) r3 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x48100) ioctl$NBD_SET_SOCK(r3, 0xab00, r0) r4 = syz_open_dev$ndb(&(0x7f0000000140)='/dev/nbd#\x00', 0x0, 0x0) ioctl$NBD_CLEAR_SOCK(r4, 0xab04) ioctl$NBD_SET_SIZE_BLOCKS(r4, 0xab07, 0x5) 22:53:49 executing program 4: r0 = syz_open_dev$ndb(&(0x7f0000000000)='/dev/nbd#\x00', 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = syz_open_dev$ndb(&(0x7f0000000140)='/dev/nbd#\x00', 0x0, 0x0) ioctl$NBD_CLEAR_SOCK(r2, 0xab04) ioctl$NBD_SET_SOCK(r0, 0xab07, 0xffffffffffffffff) [ 2006.476430] block nbd3: Receive control failed (result -32) [ 2006.480218] block nbd3: shutting down sockets [ 2006.525415] block nbd1: shutting down sockets 22:53:49 executing program 1: r0 = syz_open_dev$ndb(&(0x7f0000000000)='/dev/nbd#\x00', 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = syz_open_dev$ndb(&(0x7f0000000140)='/dev/nbd#\x00', 0x0, 0x8400) ioctl$NBD_CLEAR_SOCK(r2, 0xab04) ioctl$NBD_SET_SOCK(r0, 0xab0a, 0xffffffffffffffff) 22:53:49 executing program 0: r0 = openat$snapshot(0xffffffffffffff9c, &(0x7f0000000000)='/dev/snapshot\x00', 0x0, 0x0) ioctl$SNAPSHOT_S2RAM(r0, 0x40043314) [ 2006.590898] block nbd5: shutting down sockets [ 2006.599855] block nbd3: shutting down sockets [ 2006.605161] block nbd4: shutting down sockets 22:53:49 executing program 3: r0 = syz_open_dev$ndb(&(0x7f0000000000)='/dev/nbd#\x00', 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x13e) ioctl$NBD_SET_SOCK(0xffffffffffffffff, 0xab03, 0xffffffffffffffff) 22:53:49 executing program 2: r0 = openat$snapshot(0xffffffffffffff9c, &(0x7f0000000000)='/dev/snapshot\x00', 0x0, 0x0) r1 = socket$nl_generic(0x10, 0x3, 0x10) sendmsg$MPTCP_PM_CMD_SET_LIMITS(r1, &(0x7f0000000c80)={&(0x7f0000000bc0)={0x10, 0x0, 0x0, 0x20400000}, 0xc, &(0x7f0000000c40)={&(0x7f0000000c00)={0x14}, 0x14}}, 0x0) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080)='nbd\x00') r3 = openat$dlm_control(0xffffffffffffff9c, &(0x7f0000000000)='/dev/dlm-control\x00', 0x0, 0x0) ioctl$SNDRV_PCM_IOCTL_XRUN(r3, 0x4148, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f00000000c0)={0xffffffffffffffff}) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f00000001c0)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x1000000}, 0xc, &(0x7f0000000180)={&(0x7f0000000100)=ANY=[@ANYBLOB='x\x00\x00\x00', @ANYRES16=r2, @ANYBLOB="000327bd7000fedbdf25020000000c00050005000000000000000c00030006000000000000003400078008000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32=r3, @ANYBLOB="1aa863a8", @ANYRES32, @ANYBLOB="08000100", @ANYRES32=r4, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="0c00020005000000000000000c000300ff03000000000000"], 0x78}, 0x1, 0x0, 0x0, 0x40000}, 0x24000080) ioctl$SNAPSHOT_S2RAM(r0, 0x330b) 22:53:49 executing program 5: syz_open_dev$ndb(&(0x7f0000000000)='/dev/nbd#\x00', 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff, 0xffffffffffffffff}) ioctl$BTRFS_IOC_GET_DEV_STATS(r1, 0xc4089434, &(0x7f0000000180)={0x0, 0x0, 0x1, [0x9, 0x7fff, 0x3, 0xb1d, 0x5], [0x6, 0x3fb6, 0x3, 0xffffffffffffffff, 0xfffffffffffffc01, 0x200, 0x7e, 0x6cb, 0x800, 0x1, 0x2, 0x4, 0x7, 0x1, 0x7, 0x1, 0x3, 0x7, 0x100000001, 0x3, 0x6, 0x80, 0x4, 0x9, 0x3, 0x1e55, 0xb8, 0x2, 0x0, 0x4, 0x100000001, 0x1, 0x13e9, 0x10000, 0x3, 0x70f2, 0xcd4, 0x5, 0xfff, 0x0, 0x73e7, 0xfffffffffffffff8, 0x4, 0xfff, 0x7ff, 0x20, 0x3b, 0x5, 0x7ff, 0x5, 0x1, 0xfffffffffffffffd, 0x8, 0x1, 0xfffffffffffffff8, 0x3d78, 0x89d, 0x2, 0x2, 0x9b3e, 0x3, 0x5, 0x5, 0x472e0fff, 0x6, 0x7, 0x1b8, 0x2, 0xfffffffffffffffa, 0x1, 0xe4, 0x40, 0x81, 0x9, 0x9, 0x1, 0x3f, 0x5, 0x7, 0x8, 0x53, 0x7, 0x100, 0x7, 0x7fffffff, 0x7f, 0x7, 0x1, 0x1, 0x8, 0x7f, 0x5, 0x6, 0x4, 0x6, 0xad, 0x4, 0x9, 0x1ef2, 0x10001, 0x90, 0x4, 0x8001, 0xffff, 0x6, 0x98, 0x8, 0x29b, 0x7, 0xfffffffffffffffe, 0x0, 0x401, 0x5, 0xffffffffffffff81, 0x4, 0x5cf9, 0x9, 0x1fc0000000, 0x5c8, 0x5, 0x5]}) r2 = openat$dlm_control(0xffffffffffffff9c, &(0x7f0000000000)='/dev/dlm-control\x00', 0x0, 0x0) ioctl$SNDRV_PCM_IOCTL_XRUN(r2, 0x4148, 0x0) r3 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x48100) ioctl$NBD_SET_SOCK(r3, 0xab00, r0) r4 = syz_open_dev$ndb(&(0x7f0000000140)='/dev/nbd#\x00', 0x0, 0x0) ioctl$NBD_CLEAR_SOCK(r4, 0xab04) ioctl$NBD_SET_SIZE_BLOCKS(r4, 0xab07, 0x5) 22:53:49 executing program 4: r0 = socket$nl_generic(0x10, 0x3, 0x10) r1 = socket$nl_generic(0x10, 0x3, 0x10) sendmsg$MPTCP_PM_CMD_SET_LIMITS(r0, &(0x7f0000000c80)={&(0x7f0000000bc0)={0x10, 0x0, 0x0, 0x20400000}, 0xc, &(0x7f0000000c40)={&(0x7f0000000c00)={0x14}, 0x14}}, 0x0) r2 = syz_genetlink_get_family_id$netlbl_mgmt(&(0x7f0000000080)='NLBL_MGMT\x00') sendmsg$NLBL_MGMT_C_ADDDEF(r0, &(0x7f0000000140)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x2000000}, 0xc, &(0x7f0000000100)={&(0x7f00000000c0)={0x2c, r2, 0x40c, 0x70bd2d, 0x25dfdbff, {}, [@NLBL_MGMT_A_PROTOCOL={0x8, 0x2, 0x3}, @NLBL_MGMT_A_IPV4MASK={0x8, 0x8, @loopback}, @NLBL_MGMT_A_CV4DOI={0x8}]}, 0x2c}, 0x1, 0x0, 0x0, 0x4008000}, 0x800) r3 = openat$snapshot(0xffffffffffffff9c, &(0x7f0000000000)='/dev/snapshot\x00', 0x0, 0x0) ioctl$SNAPSHOT_S2RAM(r3, 0x330b) sendmsg$MPTCP_PM_CMD_DEL_ADDR(r1, &(0x7f00000004c0)={&(0x7f0000000400)={0x10, 0x0, 0x0, 0x20000000}, 0xc, &(0x7f0000000480)={&(0x7f0000000780)=ANY=[@ANYBLOB="ac016458d28ff8914a7218eac96cfd03460b91d6e22d72546e4c5378876a219ce35ded946f4da7f50ea158eac8a1a658046e230379b25baac2dd97c0a76e4778d1b7f71623de1a3d1735bb607237422b642598f7e443afeb3b41fd2b276841d7f756cdba4e88b24a5af86abe6b8d8d48e3c9299285d17b146be16ec91624099b039e", @ANYRES16=0x0, @ANYBLOB="200027bd7000fbdbdf2502000000080003000700000008000300030000000800030006000000"], 0x2c}, 0x1, 0x0, 0x0, 0x2404c801}, 0x84) sendmsg$MPTCP_PM_CMD_FLUSH_ADDRS(r0, &(0x7f0000000640)={&(0x7f0000000500)={0x10, 0x0, 0x0, 0x200000}, 0xc, &(0x7f0000000600)={&(0x7f0000000540)={0x84, 0x0, 0x10, 0x70bd2d, 0x25dfdbfb, {}, [@MPTCP_PM_ATTR_ADDR={0x4}, @MPTCP_PM_ATTR_ADDR={0xc, 0x1, 0x0, 0x1, [@MPTCP_PM_ADDR_ATTR_FAMILY={0x6, 0x1, 0x2}]}, @MPTCP_PM_ATTR_RCV_ADD_ADDRS={0x8, 0x2, 0x7}, @MPTCP_PM_ATTR_SUBFLOWS={0x8, 0x3, 0x4}, @MPTCP_PM_ATTR_ADDR={0x20, 0x1, 0x0, 0x1, [@MPTCP_PM_ADDR_ATTR_ID={0x5, 0x2, 0x7f}, @MPTCP_PM_ADDR_ATTR_ADDR6={0x14, 0x4, @initdev={0xfe, 0x88, [], 0x0, 0x0}}]}, @MPTCP_PM_ATTR_ADDR={0x28, 0x1, 0x0, 0x1, [@MPTCP_PM_ADDR_ATTR_IF_IDX={0x8}, @MPTCP_PM_ADDR_ATTR_ADDR6={0x14, 0x4, @private2}, @MPTCP_PM_ADDR_ATTR_PORT={0x6, 0x5, 0x4e21}]}, @MPTCP_PM_ATTR_SUBFLOWS={0x8, 0x3, 0x7}]}, 0x84}, 0x1, 0x0, 0x0, 0x40}, 0x40000) sendmsg$ETHTOOL_MSG_EEE_SET(r0, &(0x7f0000000740)={&(0x7f0000000680)={0x10, 0x0, 0x0, 0x400}, 0xc, &(0x7f0000000700)={&(0x7f00000006c0)=ANY=[@ANYBLOB="06000000", @ANYRES16=0x0, @ANYBLOB="10002bbd7000fddbdf25180000000500060001000000"], 0x1c}}, 0x4044004) ioctl$SNDRV_PCM_IOCTL_HW_PARAMS(0xffffffffffffffff, 0xc2604111, &(0x7f0000000180)={0x0, [[0x40, 0x10000, 0x2, 0x3f, 0xffff, 0x9, 0x20, 0x2], [0xfffffff7, 0x0, 0x6, 0x7f, 0x2, 0x401, 0x200, 0x101], [0x0, 0x2, 0x6, 0x8000, 0xfab, 0x9, 0x5c, 0xffffffff]], [], [{0xcaa1, 0x8000, 0x1, 0x0, 0x1}, {0x9, 0x80000001, 0x1, 0x0, 0x1}, {0x4, 0x1322, 0x0, 0x1, 0x1, 0x1}, {0x5, 0x2, 0x1, 0x1, 0x1, 0x1}, {0x7, 0x4bd4, 0x1, 0x0, 0x0, 0x1}, {0x1, 0x1, 0x1, 0x1}, {0x8000, 0x1, 0x1, 0x1}, {0x2, 0x8997, 0x0, 0x0, 0x1, 0x1}, {0x1331c8c, 0x3f, 0x1, 0x0, 0x1, 0x1}, {0x6, 0x5d, 0x1, 0x0, 0x1, 0x1}, {0x0, 0x8, 0x1, 0x1}, {0x401, 0x8}]}) [ 2006.724148] block nbd1: shutting down sockets [ 2006.733340] block nbd3: shutting down sockets 22:53:49 executing program 3: r0 = syz_open_dev$ndb(&(0x7f0000000000)='/dev/nbd#\x00', 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x13e) ioctl$NBD_SET_SOCK(0xffffffffffffffff, 0xab03, 0xffffffffffffffff) 22:53:49 executing program 1: r0 = syz_open_dev$ndb(&(0x7f0000000000)='/dev/nbd#\x00', 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = syz_open_dev$ndb(&(0x7f0000000140)='/dev/nbd#\x00', 0x0, 0x0) ioctl$NBD_CLEAR_SOCK(r2, 0xab04) ioctl$NBD_SET_SOCK(r0, 0x5452, 0xffffffffffffffff) [ 2006.783149] block nbd5: shutting down sockets 22:53:49 executing program 0: r0 = openat$snapshot(0xffffffffffffff9c, &(0x7f0000000000)='/dev/snapshot\x00', 0x0, 0x0) ioctl$SNAPSHOT_S2RAM(r0, 0x40043314) 22:53:49 executing program 4: r0 = syz_open_dev$ndb(&(0x7f0000000000)='/dev/nbd#\x00', 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = syz_open_dev$ndb(&(0x7f0000000140)='/dev/nbd#\x00', 0x0, 0x0) ioctl$NBD_CLEAR_SOCK(r2, 0xab04) ioctl$NBD_SET_SOCK(r0, 0x5452, 0xffffffffffffffff) 22:53:49 executing program 2: r0 = syz_open_dev$ndb(&(0x7f0000000000)='/dev/nbd#\x00', 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = syz_open_dev$ndb(&(0x7f0000000140)='/dev/nbd#\x00', 0x0, 0x8400) ioctl$NBD_CLEAR_SOCK(r2, 0xab04) ioctl$NBD_SET_SOCK(r0, 0xab00, 0xffffffffffffffff) 22:53:49 executing program 5: r0 = syz_open_dev$ndb(&(0x7f0000000000)='/dev/nbd#\x00', 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff, 0xffffffffffffffff}) ioctl$BTRFS_IOC_GET_DEV_STATS(r2, 0xc4089434, &(0x7f0000000180)={0x0, 0x0, 0x1, [0x9, 0x7fff, 0x3, 0xb1d, 0x5], [0x6, 0x3fb6, 0x3, 0xffffffffffffffff, 0xfffffffffffffc01, 0x200, 0x7e, 0x6cb, 0x800, 0x1, 0x2, 0x4, 0x7, 0x1, 0x7, 0x1, 0x3, 0x7, 0x100000001, 0x3, 0x6, 0x80, 0x4, 0x9, 0x3, 0x1e55, 0xb8, 0x2, 0x0, 0x4, 0x100000001, 0x1, 0x13e9, 0x10000, 0x3, 0x70f2, 0xcd4, 0x5, 0xfff, 0x0, 0x73e7, 0xfffffffffffffff8, 0x4, 0xfff, 0x7ff, 0x20, 0x3b, 0x5, 0x7ff, 0x5, 0x1, 0xfffffffffffffffd, 0x8, 0x1, 0xfffffffffffffff8, 0x3d78, 0x89d, 0x2, 0x2, 0x9b3e, 0x3, 0x5, 0x5, 0x472e0fff, 0x6, 0x7, 0x1b8, 0x2, 0xfffffffffffffffa, 0x1, 0xe4, 0x40, 0x81, 0x9, 0x9, 0x1, 0x3f, 0x5, 0x7, 0x8, 0x53, 0x7, 0x100, 0x7, 0x7fffffff, 0x7f, 0x7, 0x1, 0x1, 0x8, 0x7f, 0x5, 0x6, 0x4, 0x6, 0xad, 0x4, 0x9, 0x1ef2, 0x10001, 0x90, 0x4, 0x8001, 0xffff, 0x6, 0x98, 0x8, 0x29b, 0x7, 0xfffffffffffffffe, 0x0, 0x401, 0x5, 0xffffffffffffff81, 0x4, 0x5cf9, 0x9, 0x1fc0000000, 0x5c8, 0x5, 0x5]}) r3 = openat$dlm_control(0xffffffffffffff9c, &(0x7f0000000000)='/dev/dlm-control\x00', 0x0, 0x0) ioctl$SNDRV_PCM_IOCTL_XRUN(r3, 0x4148, 0x0) r4 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x48100) ioctl$NBD_SET_SOCK(r4, 0xab00, r1) r5 = syz_open_dev$ndb(&(0x7f0000000140)='/dev/nbd#\x00', 0x0, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab03, 0xffffffffffffffff) ioctl$NBD_SET_SIZE_BLOCKS(r5, 0xab07, 0x5) [ 2006.936615] block nbd1: shutting down sockets [ 2006.948034] block nbd3: shutting down sockets [ 2006.959941] block nbd2: shutting down sockets 22:53:49 executing program 1: r0 = syz_open_dev$ndb(&(0x7f0000000000)='/dev/nbd#\x00', 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = syz_open_dev$ndb(&(0x7f0000000140)='/dev/nbd#\x00', 0x0, 0x8400) ioctl$NBD_CLEAR_SOCK(r2, 0xab04) ioctl$NBD_SET_SOCK(r0, 0x5460, 0xffffffffffffffff) 22:53:49 executing program 2: r0 = openat$snapshot(0xffffffffffffff9c, &(0x7f0000000000)='/dev/snapshot\x00', 0x0, 0x0) ioctl$SNAPSHOT_S2RAM(r0, 0x3309) [ 2007.012318] block nbd4: shutting down sockets 22:53:49 executing program 3: openat$snapshot(0xffffffffffffff9c, &(0x7f0000000000)='/dev/snapshot\x00', 0x0, 0x0) r0 = syz_mount_image$hpfs(&(0x7f0000000080)='hpfs\x00', &(0x7f00000000c0)='./file0\x00', 0x6, 0x2, &(0x7f0000000180)=[{&(0x7f0000000100)="7697f792b2525c536d7c3f4d9036e5241ccf3a3b8143b829d1fcd678e8f9c899ad6f89e1dce0a5e6dde6b58502df1e9a33f6ec6271fc6c2bd8f16da9", 0x3c}, {&(0x7f0000000140)="b6d0d303c816c53cc8fef45c81f122a107cfdfb612b1fb", 0x17, 0x7b}], 0x4008, &(0x7f00000001c0)={[{'^'}, {'/dev/dlm-control\x00'}, {'/dev/snapshot\x00'}, {'/dev/dlm-control\x00'}, {'/dev/snapshot\x00'}, {'^:\x91$'}, {'&.)}\\{%'}, {'/dev/snapshot\x00'}], [{@permit_directio='permit_directio'}, {@seclabel='seclabel'}, {@fsuuid={'fsuuid', 0x3d, {[0x62, 0x0, 0x39, 0x61, 0x63, 0x64, 0x63, 0x32], 0x2d, [0x31, 0x33, 0x31, 0x31], 0x2d, [0x32, 0x36, 0x39, 0x66], 0x2d, [0x39, 0x32, 0x62, 0x66], 0x2d, [0x63, 0x38, 0x35, 0x63, 0x65, 0x33, 0x66, 0x61]}}}, {@uid_gt={'uid>', 0xee01}}]}) ioctl$BTRFS_IOC_SCRUB(r0, 0xc400941b, &(0x7f0000000280)={0x0, 0x2, 0x1}) r1 = openat$dlm_control(0xffffffffffffff9c, &(0x7f0000000000)='/dev/dlm-control\x00', 0x0, 0x0) r2 = openat$dlm_control(0xffffffffffffff9c, &(0x7f0000000000)='/dev/dlm-control\x00', 0x0, 0x0) ioctl$SNDRV_PCM_IOCTL_XRUN(r2, 0x4148, 0x0) ioctl$SNAPSHOT_S2RAM(r2, 0x330b) ioctl$SNDRV_PCM_IOCTL_XRUN(r1, 0x4148, 0x0) ioctl$SNAPSHOT_S2RAM(r1, 0x330b) r3 = openat$snapshot(0xffffffffffffff9c, &(0x7f0000000040)='/dev/snapshot\x00', 0x1, 0x0) ioctl$SNAPSHOT_UNFREEZE(r3, 0x3302) 22:53:49 executing program 4: r0 = openat$snapshot(0xffffffffffffff9c, &(0x7f0000000000)='/dev/snapshot\x00', 0x0, 0x0) ioctl$SNAPSHOT_S2RAM(r0, 0x3305) 22:53:49 executing program 0: r0 = openat$snapshot(0xffffffffffffff9c, &(0x7f0000000000)='/dev/snapshot\x00', 0x0, 0x0) r1 = syz_open_dev$dri(&(0x7f0000001400)='/dev/dri/card#\x00', 0x0, 0x0) ioctl$DRM_IOCTL_MODE_CREATEPROPBLOB(r1, 0xc01064bd, &(0x7f0000001480)={0x0}) ioctl$DRM_IOCTL_MODE_GETPLANE(r1, 0xc02064b6, &(0x7f0000000080)={0x0, 0x0, 0x0, 0x0, 0x0, 0x7, &(0x7f0000000040)=[0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0]}) ioctl$SNAPSHOT_S2RAM(r0, 0x330b) [ 2007.132769] block nbd1: shutting down sockets 22:53:49 executing program 2: r0 = openat$snapshot(0xffffffffffffff9c, &(0x7f0000000000)='/dev/snapshot\x00', 0x0, 0x0) ioctl$SNAPSHOT_S2RAM(r0, 0x3309) 22:53:49 executing program 1: r0 = openat$snapshot(0xffffffffffffff9c, &(0x7f0000000000)='/dev/snapshot\x00', 0x2001, 0x0) ioctl$SNAPSHOT_S2RAM(r0, 0x330f) [ 2007.176582] hpfs: bad mount options. 22:53:49 executing program 0: r0 = openat$snapshot(0xffffffffffffff9c, &(0x7f0000000000)='/dev/snapshot\x00', 0x0, 0x0) r1 = syz_open_dev$dri(&(0x7f0000001400)='/dev/dri/card#\x00', 0x0, 0x0) ioctl$DRM_IOCTL_MODE_CREATEPROPBLOB(r1, 0xc01064bd, &(0x7f0000001480)={0x0}) ioctl$DRM_IOCTL_MODE_GETPLANE(r1, 0xc02064b6, &(0x7f0000000080)={0x0, 0x0, 0x0, 0x0, 0x0, 0x7, &(0x7f0000000040)=[0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0]}) ioctl$SNAPSHOT_S2RAM(r0, 0x330b) 22:53:49 executing program 4: r0 = openat$snapshot(0xffffffffffffff9c, &(0x7f0000000000)='/dev/snapshot\x00', 0x0, 0x0) ioctl$SNAPSHOT_S2RAM(r0, 0x3305) 22:53:49 executing program 3: r0 = openat$snapshot(0xffffffffffffff9c, &(0x7f0000000000)='/dev/snapshot\x00', 0x1, 0x0) ioctl$SNAPSHOT_PREF_IMAGE_SIZE(r0, 0x3312, 0x8) ioctl$SNAPSHOT_S2RAM(r0, 0x330b) openat$snapshot(0xffffffffffffff9c, &(0x7f00000000c0)='/dev/snapshot\x00', 0x100, 0x0) r1 = openat$snapshot(0xffffffffffffff9c, &(0x7f0000000040)='/dev/snapshot\x00', 0x81, 0x0) r2 = openat$dlm_control(0xffffffffffffff9c, &(0x7f0000000000)='/dev/dlm-control\x00', 0x0, 0x0) ioctl$SNDRV_PCM_IOCTL_XRUN(r2, 0x4148, 0x0) ioctl$SNAPSHOT_GET_IMAGE_SIZE(r2, 0x8008330e, &(0x7f0000000100)) ioctl$SNAPSHOT_ALLOC_SWAP_PAGE(r1, 0x80083314, &(0x7f0000000080)) r3 = openat$dlm_control(0xffffffffffffff9c, &(0x7f0000000000)='/dev/dlm-control\x00', 0x0, 0x0) ioctl$SNDRV_PCM_IOCTL_XRUN(r3, 0x4148, 0x0) ioctl$SNAPSHOT_PREF_IMAGE_SIZE(r3, 0x3312, 0x1ff) 22:53:49 executing program 2: r0 = openat$snapshot(0xffffffffffffff9c, &(0x7f0000000000)='/dev/snapshot\x00', 0x1, 0x0) ioctl$SNAPSHOT_PREF_IMAGE_SIZE(r0, 0x3312, 0x8) ioctl$SNAPSHOT_S2RAM(r0, 0x330b) openat$snapshot(0xffffffffffffff9c, &(0x7f00000000c0)='/dev/snapshot\x00', 0x100, 0x0) r1 = openat$snapshot(0xffffffffffffff9c, &(0x7f0000000040)='/dev/snapshot\x00', 0x81, 0x0) r2 = openat$dlm_control(0xffffffffffffff9c, &(0x7f0000000000)='/dev/dlm-control\x00', 0x0, 0x0) ioctl$SNDRV_PCM_IOCTL_XRUN(r2, 0x4148, 0x0) ioctl$SNAPSHOT_GET_IMAGE_SIZE(r2, 0x8008330e, &(0x7f0000000100)) ioctl$SNAPSHOT_ALLOC_SWAP_PAGE(r1, 0x80083314, &(0x7f0000000080)) r3 = openat$dlm_control(0xffffffffffffff9c, &(0x7f0000000000)='/dev/dlm-control\x00', 0x0, 0x0) ioctl$SNDRV_PCM_IOCTL_XRUN(r3, 0x4148, 0x0) ioctl$SNAPSHOT_PREF_IMAGE_SIZE(r3, 0x3312, 0x1ff) [ 2007.762568] block nbd5: Receive control failed (result -104) [ 2013.148046] block nbd5: Connection timed out [ 2013.152481] block nbd5: shutting down sockets [ 2013.157025] print_req_error: 296 callbacks suppressed [ 2013.157032] print_req_error: I/O error, dev nbd5, sector 0 [ 2013.168046] buffer_io_error: 310 callbacks suppressed [ 2013.168056] Buffer I/O error on dev nbd5, logical block 0, async page read [ 2013.180985] block nbd5: Connection timed out [ 2013.185408] print_req_error: I/O error, dev nbd5, sector 2 [ 2013.191135] Buffer I/O error on dev nbd5, logical block 1, async page read [ 2013.198279] block nbd5: Connection timed out [ 2013.202726] print_req_error: I/O error, dev nbd5, sector 4 [ 2013.208471] Buffer I/O error on dev nbd5, logical block 2, async page read [ 2013.215515] block nbd5: Connection timed out [ 2013.220018] print_req_error: I/O error, dev nbd5, sector 6 [ 2013.225649] Buffer I/O error on dev nbd5, logical block 3, async page read [ 2013.233947] print_req_error: I/O error, dev nbd5, sector 0 [ 2013.239976] Buffer I/O error on dev nbd5, logical block 0, async page read [ 2013.247050] print_req_error: I/O error, dev nbd5, sector 2 [ 2013.252827] Buffer I/O error on dev nbd5, logical block 1, async page read [ 2013.259990] Buffer I/O error on dev nbd5, logical block 2, async page read [ 2013.267112] Buffer I/O error on dev nbd5, logical block 3, async page read [ 2013.274473] print_req_error: I/O error, dev nbd5, sector 0 [ 2013.280345] Buffer I/O error on dev nbd5, logical block 0, async page read [ 2013.287486] print_req_error: I/O error, dev nbd5, sector 2 [ 2013.293363] Buffer I/O error on dev nbd5, logical block 1, async page read [ 2013.300938] print_req_error: I/O error, dev nbd5, sector 0 [ 2013.308038] print_req_error: I/O error, dev nbd5, sector 2 [ 2013.315909] ldm_validate_partition_table(): Disk read failed. [ 2013.323257] Dev nbd5: unable to read RDB block 0 [ 2013.329519] nbd5: unable to read partition table [ 2013.334551] nbd5: partition table beyond EOD, truncated [ 2013.344933] ldm_validate_partition_table(): Disk read failed. [ 2013.352755] Dev nbd5: unable to read RDB block 0 [ 2013.358954] nbd5: unable to read partition table [ 2013.363822] nbd5: partition table beyond EOD, truncated [ 2013.384731] ldm_validate_partition_table(): Disk read failed. [ 2013.394359] Dev nbd5: unable to read RDB block 0 22:53:55 executing program 5: r0 = syz_open_dev$ndb(&(0x7f0000000000)='/dev/nbd#\x00', 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff, 0xffffffffffffffff}) ioctl$BTRFS_IOC_GET_DEV_STATS(r2, 0xc4089434, &(0x7f0000000180)={0x0, 0x0, 0x1, [0x9, 0x7fff, 0x3, 0xb1d, 0x5], [0x6, 0x3fb6, 0x3, 0xffffffffffffffff, 0xfffffffffffffc01, 0x200, 0x7e, 0x6cb, 0x800, 0x1, 0x2, 0x4, 0x7, 0x1, 0x7, 0x1, 0x3, 0x7, 0x100000001, 0x3, 0x6, 0x80, 0x4, 0x9, 0x3, 0x1e55, 0xb8, 0x2, 0x0, 0x4, 0x100000001, 0x1, 0x13e9, 0x10000, 0x3, 0x70f2, 0xcd4, 0x5, 0xfff, 0x0, 0x73e7, 0xfffffffffffffff8, 0x4, 0xfff, 0x7ff, 0x20, 0x3b, 0x5, 0x7ff, 0x5, 0x1, 0xfffffffffffffffd, 0x8, 0x1, 0xfffffffffffffff8, 0x3d78, 0x89d, 0x2, 0x2, 0x9b3e, 0x3, 0x5, 0x5, 0x472e0fff, 0x6, 0x7, 0x1b8, 0x2, 0xfffffffffffffffa, 0x1, 0xe4, 0x40, 0x81, 0x9, 0x9, 0x1, 0x3f, 0x5, 0x7, 0x8, 0x53, 0x7, 0x100, 0x7, 0x7fffffff, 0x7f, 0x7, 0x1, 0x1, 0x8, 0x7f, 0x5, 0x6, 0x4, 0x6, 0xad, 0x4, 0x9, 0x1ef2, 0x10001, 0x90, 0x4, 0x8001, 0xffff, 0x6, 0x98, 0x8, 0x29b, 0x7, 0xfffffffffffffffe, 0x0, 0x401, 0x5, 0xffffffffffffff81, 0x4, 0x5cf9, 0x9, 0x1fc0000000, 0x5c8, 0x5, 0x5]}) r3 = openat$dlm_control(0xffffffffffffff9c, &(0x7f0000000000)='/dev/dlm-control\x00', 0x0, 0x0) ioctl$SNDRV_PCM_IOCTL_XRUN(r3, 0x4148, 0x0) r4 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x48100) ioctl$NBD_SET_SOCK(r4, 0xab00, r1) ioctl$NBD_SET_SOCK(r0, 0xab03, 0xffffffffffffffff) ioctl$NBD_SET_SIZE_BLOCKS(0xffffffffffffffff, 0xab07, 0x5) 22:53:55 executing program 2: r0 = openat$snapshot(0xffffffffffffff9c, &(0x7f0000000000)='/dev/snapshot\x00', 0x1, 0x0) ioctl$SNAPSHOT_PREF_IMAGE_SIZE(r0, 0x3312, 0x8) ioctl$SNAPSHOT_S2RAM(r0, 0x330b) openat$snapshot(0xffffffffffffff9c, &(0x7f00000000c0)='/dev/snapshot\x00', 0x100, 0x0) r1 = openat$snapshot(0xffffffffffffff9c, &(0x7f0000000040)='/dev/snapshot\x00', 0x81, 0x0) r2 = openat$dlm_control(0xffffffffffffff9c, &(0x7f0000000000)='/dev/dlm-control\x00', 0x0, 0x0) ioctl$SNDRV_PCM_IOCTL_XRUN(r2, 0x4148, 0x0) ioctl$SNAPSHOT_GET_IMAGE_SIZE(r2, 0x8008330e, &(0x7f0000000100)) ioctl$SNAPSHOT_ALLOC_SWAP_PAGE(r1, 0x80083314, &(0x7f0000000080)) r3 = openat$dlm_control(0xffffffffffffff9c, &(0x7f0000000000)='/dev/dlm-control\x00', 0x0, 0x0) ioctl$SNDRV_PCM_IOCTL_XRUN(r3, 0x4148, 0x0) ioctl$SNAPSHOT_PREF_IMAGE_SIZE(r3, 0x3312, 0x1ff) 22:53:55 executing program 3: r0 = openat$snapshot(0xffffffffffffff9c, &(0x7f0000000000)='/dev/snapshot\x00', 0x1, 0x0) ioctl$SNAPSHOT_PREF_IMAGE_SIZE(r0, 0x3312, 0x8) ioctl$SNAPSHOT_S2RAM(r0, 0x330b) openat$snapshot(0xffffffffffffff9c, &(0x7f00000000c0)='/dev/snapshot\x00', 0x100, 0x0) r1 = openat$snapshot(0xffffffffffffff9c, &(0x7f0000000040)='/dev/snapshot\x00', 0x81, 0x0) r2 = openat$dlm_control(0xffffffffffffff9c, &(0x7f0000000000)='/dev/dlm-control\x00', 0x0, 0x0) ioctl$SNDRV_PCM_IOCTL_XRUN(r2, 0x4148, 0x0) ioctl$SNAPSHOT_GET_IMAGE_SIZE(r2, 0x8008330e, &(0x7f0000000100)) ioctl$SNAPSHOT_ALLOC_SWAP_PAGE(r1, 0x80083314, &(0x7f0000000080)) r3 = openat$dlm_control(0xffffffffffffff9c, &(0x7f0000000000)='/dev/dlm-control\x00', 0x0, 0x0) ioctl$SNDRV_PCM_IOCTL_XRUN(r3, 0x4148, 0x0) ioctl$SNAPSHOT_PREF_IMAGE_SIZE(r3, 0x3312, 0x1ff) 22:53:55 executing program 4: r0 = openat$snapshot(0xffffffffffffff9c, &(0x7f0000000000)='/dev/snapshot\x00', 0x0, 0x0) ioctl$SNAPSHOT_S2RAM(r0, 0x3305) 22:53:55 executing program 0: r0 = openat$snapshot(0xffffffffffffff9c, &(0x7f0000000000)='/dev/snapshot\x00', 0x0, 0x0) r1 = syz_open_dev$dri(&(0x7f0000001400)='/dev/dri/card#\x00', 0x0, 0x0) ioctl$DRM_IOCTL_MODE_CREATEPROPBLOB(r1, 0xc01064bd, &(0x7f0000001480)={0x0}) ioctl$DRM_IOCTL_MODE_GETPLANE(r1, 0xc02064b6, &(0x7f0000000080)={0x0, 0x0, 0x0, 0x0, 0x0, 0x7, &(0x7f0000000040)=[0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0]}) ioctl$SNAPSHOT_S2RAM(r0, 0x330b) 22:53:55 executing program 1: r0 = openat$snapshot(0xffffffffffffff9c, &(0x7f0000000000)='/dev/snapshot\x00', 0x0, 0x0) r1 = openat$dlm_control(0xffffffffffffff9c, &(0x7f0000000080)='/dev/dlm-control\x00', 0x4, 0x0) r2 = socket$nl_generic(0x10, 0x3, 0x10) sendmsg$MPTCP_PM_CMD_SET_LIMITS(r2, &(0x7f0000000c80)={&(0x7f0000000bc0)={0x10, 0x0, 0x0, 0x20400000}, 0xc, &(0x7f0000000c40)={&(0x7f0000000c00)={0x14}, 0x14}}, 0x0) sendmsg$MPTCP_PM_CMD_ADD_ADDR(r2, &(0x7f0000000100)={&(0x7f0000000180)={0x10, 0x0, 0x0, 0x400}, 0xc, &(0x7f00000000c0)={&(0x7f0000000040)=ANY=[@ANYRESOCT, @ANYRES64, @ANYRESDEC=r1], 0x3c}, 0x1, 0x0, 0x0, 0x4004004}, 0x24000001) ioctl$SNAPSHOT_S2RAM(r0, 0x330f) openat$snapshot(0xffffffffffffff9c, &(0x7f0000000140)='/dev/snapshot\x00', 0x80, 0x0) [ 2013.400683] nbd5: unable to read partition table [ 2013.405565] nbd5: partition table beyond EOD, truncated [ 2013.417041] ldm_validate_partition_table(): Disk read failed. [ 2013.424811] Dev nbd5: unable to read RDB block 0 [ 2013.430841] nbd5: unable to read partition table [ 2013.435741] nbd5: partition table beyond EOD, truncated 22:53:56 executing program 4: r0 = syz_open_dev$ndb(&(0x7f0000000000)='/dev/nbd#\x00', 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = syz_open_dev$ndb(&(0x7f0000000140)='/dev/nbd#\x00', 0x0, 0x0) ioctl$NBD_CLEAR_SOCK(r2, 0xab04) ioctl$NBD_SET_SOCK(r0, 0x127d, 0xffffffffffffffff) 22:53:56 executing program 3: r0 = openat$snapshot(0xffffffffffffff9c, &(0x7f0000000000)='/dev/snapshot\x00', 0x1, 0x0) ioctl$SNAPSHOT_PREF_IMAGE_SIZE(r0, 0x3312, 0x8) ioctl$SNAPSHOT_S2RAM(r0, 0x330b) openat$snapshot(0xffffffffffffff9c, &(0x7f00000000c0)='/dev/snapshot\x00', 0x100, 0x0) r1 = openat$snapshot(0xffffffffffffff9c, &(0x7f0000000040)='/dev/snapshot\x00', 0x81, 0x0) r2 = openat$dlm_control(0xffffffffffffff9c, &(0x7f0000000000)='/dev/dlm-control\x00', 0x0, 0x0) ioctl$SNDRV_PCM_IOCTL_XRUN(r2, 0x4148, 0x0) ioctl$SNAPSHOT_GET_IMAGE_SIZE(r2, 0x8008330e, &(0x7f0000000100)) ioctl$SNAPSHOT_ALLOC_SWAP_PAGE(r1, 0x80083314, &(0x7f0000000080)) r3 = openat$dlm_control(0xffffffffffffff9c, &(0x7f0000000000)='/dev/dlm-control\x00', 0x0, 0x0) ioctl$SNDRV_PCM_IOCTL_XRUN(r3, 0x4148, 0x0) ioctl$SNAPSHOT_PREF_IMAGE_SIZE(r3, 0x3312, 0x1ff) 22:53:56 executing program 2: r0 = openat$snapshot(0xffffffffffffff9c, &(0x7f0000000000)='/dev/snapshot\x00', 0x1, 0x0) ioctl$SNAPSHOT_PREF_IMAGE_SIZE(r0, 0x3312, 0x8) ioctl$SNAPSHOT_S2RAM(r0, 0x330b) openat$snapshot(0xffffffffffffff9c, &(0x7f00000000c0)='/dev/snapshot\x00', 0x100, 0x0) r1 = openat$snapshot(0xffffffffffffff9c, &(0x7f0000000040)='/dev/snapshot\x00', 0x81, 0x0) r2 = openat$dlm_control(0xffffffffffffff9c, &(0x7f0000000000)='/dev/dlm-control\x00', 0x0, 0x0) ioctl$SNDRV_PCM_IOCTL_XRUN(r2, 0x4148, 0x0) ioctl$SNAPSHOT_GET_IMAGE_SIZE(r2, 0x8008330e, &(0x7f0000000100)) ioctl$SNAPSHOT_ALLOC_SWAP_PAGE(r1, 0x80083314, &(0x7f0000000080)) r3 = openat$dlm_control(0xffffffffffffff9c, &(0x7f0000000000)='/dev/dlm-control\x00', 0x0, 0x0) ioctl$SNDRV_PCM_IOCTL_XRUN(r3, 0x4148, 0x0) ioctl$SNAPSHOT_PREF_IMAGE_SIZE(r3, 0x3312, 0x1ff) 22:53:56 executing program 0 (fault-call:4 fault-nth:0): r0 = syz_open_dev$ndb(&(0x7f0000000000)='/dev/nbd#\x00', 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x13e) ioctl$NBD_SET_SOCK(r0, 0xab03, 0xffffffffffffffff) 22:53:56 executing program 1 (fault-call:4 fault-nth:0): r0 = syz_open_dev$ndb(&(0x7f0000000000)='/dev/nbd#\x00', 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x13e) ioctl$NBD_SET_SOCK(r0, 0xab03, 0xffffffffffffffff) [ 2013.659268] block nbd4: shutting down sockets 22:53:56 executing program 4: r0 = syz_open_dev$ndb(&(0x7f0000000000)='/dev/nbd#\x00', 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = syz_open_dev$ndb(&(0x7f0000000140)='/dev/nbd#\x00', 0x0, 0x0) ioctl$NBD_CLEAR_SOCK(r2, 0xab04) ioctl$NBD_SET_SOCK(r0, 0x127d, 0xffffffffffffffff) [ 2013.714636] FAULT_INJECTION: forcing a failure. [ 2013.714636] name failslab, interval 1, probability 0, space 0, times 0 [ 2013.734785] CPU: 1 PID: 10043 Comm: syz-executor.0 Not tainted 4.19.172-syzkaller #0 [ 2013.742824] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 2013.752188] Call Trace: [ 2013.754812] dump_stack+0x1fc/0x2ef [ 2013.758462] should_fail.cold+0xa/0xf [ 2013.762276] ? setup_fault_attr+0x200/0x200 [ 2013.766938] ? lock_acquire+0x170/0x3c0 [ 2013.771733] __should_failslab+0x115/0x180 [ 2013.776010] should_failslab+0x5/0x10 [ 2013.779818] __kmalloc+0x2ab/0x3c0 [ 2013.783457] ? __alloc_workqueue_key+0x789/0xed0 [ 2013.788229] ? lock_acquire+0x170/0x3c0 [ 2013.792216] __alloc_workqueue_key+0x789/0xed0 [ 2013.796816] ? workqueue_sysfs_register+0x3e0/0x3e0 [ 2013.801848] ? __save_stack_trace+0x72/0x190 [ 2013.806296] ? deref_stack_reg+0x134/0x1d0 [ 2013.810548] ? nbd_ioctl+0x151/0xbe0 [ 2013.814276] ? __mutex_add_waiter+0x160/0x160 [ 2013.818783] ? apparmor_sb_mount+0x970/0x970 [ 2013.823236] nbd_start_device+0x183/0xd60 [ 2013.827415] ? security_capable+0x8f/0xc0 [ 2013.831580] nbd_ioctl+0x62c/0xbe0 [ 2013.835133] ? _copy_from_user+0xd2/0x130 [ 2013.839294] ? nbd_disconnect_and_put+0x190/0x190 [ 2013.844157] ? __lock_acquire+0x6de/0x3ff0 [ 2013.848492] ? nbd_disconnect_and_put+0x190/0x190 [ 2013.853357] blkdev_ioctl+0x5cb/0x1a80 [ 2013.857257] ? blkpg_ioctl+0x9d0/0x9d0 [ 2013.861159] ? get_pid_task+0xf4/0x190 [ 2013.865068] ? mark_held_locks+0xf0/0xf0 [ 2013.869139] ? proc_fail_nth_write+0x95/0x1d0 [ 2013.873645] ? proc_tgid_io_accounting+0x7f0/0x7f0 [ 2013.878596] block_ioctl+0xe9/0x130 [ 2013.882737] FAULT_INJECTION: forcing a failure. [ 2013.882737] name failslab, interval 1, probability 0, space 0, times 0 [ 2013.882846] ? blkdev_fallocate+0x3f0/0x3f0 [ 2013.898459] do_vfs_ioctl+0xcdb/0x12e0 [ 2013.902367] ? lock_downgrade+0x720/0x720 [ 2013.906610] ? check_preemption_disabled+0x41/0x280 [ 2013.912419] ? ioctl_preallocate+0x200/0x200 [ 2013.916842] ? __fget+0x356/0x510 [ 2013.921185] ? do_dup2+0x450/0x450 [ 2013.924738] ? vfs_write+0x393/0x540 [ 2013.928466] ? fput+0x2b/0x190 [ 2013.931675] ksys_ioctl+0x9b/0xc0 [ 2013.935135] __x64_sys_ioctl+0x6f/0xb0 [ 2013.939030] ? lockdep_hardirqs_on+0x3a8/0x5c0 [ 2013.943634] do_syscall_64+0xf9/0x620 [ 2013.947445] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 2013.952633] RIP: 0033:0x465b09 [ 2013.955852] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 bc ff ff ff f7 d8 64 89 01 48 [ 2013.974758] RSP: 002b:00007f3b29952188 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 2013.982488] RAX: ffffffffffffffda RBX: 000000000056bf60 RCX: 0000000000465b09 [ 2013.989764] RDX: ffffffffffffffff RSI: 000000000000ab03 RDI: 0000000000000003 [ 2013.997036] RBP: 00007f3b299521d0 R08: 0000000000000000 R09: 0000000000000000 [ 2014.004311] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001 [ 2014.011597] R13: 00007ffd432889ef R14: 00007f3b29952300 R15: 0000000000022000 [ 2014.018907] CPU: 0 PID: 10042 Comm: syz-executor.1 Not tainted 4.19.172-syzkaller #0 [ 2014.026807] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 2014.036867] Call Trace: [ 2014.036893] dump_stack+0x1fc/0x2ef [ 2014.036913] should_fail.cold+0xa/0xf [ 2014.036930] ? setup_fault_attr+0x200/0x200 [ 2014.036950] ? lock_acquire+0x170/0x3c0 [ 2014.055386] __should_failslab+0x115/0x180 [ 2014.059637] should_failslab+0x5/0x10 [ 2014.060548] block nbd0: Could not allocate knbd recv work queue. [ 2014.063443] __kmalloc+0x2ab/0x3c0 [ 2014.063461] ? __alloc_workqueue_key+0x789/0xed0 [ 2014.063476] ? lock_acquire+0x170/0x3c0 [ 2014.063498] __alloc_workqueue_key+0x789/0xed0 [ 2014.080113] block nbd0: shutting down sockets [ 2014.083359] ? workqueue_sysfs_register+0x3e0/0x3e0 [ 2014.097448] ? __save_stack_trace+0x72/0x190 [ 2014.101882] ? deref_stack_reg+0x134/0x1d0 [ 2014.106128] ? nbd_ioctl+0x151/0xbe0 [ 2014.109858] ? __mutex_add_waiter+0x160/0x160 [ 2014.114619] ? apparmor_sb_mount+0x970/0x970 [ 2014.119065] nbd_start_device+0x183/0xd60 [ 2014.123223] ? security_capable+0x8f/0xc0 [ 2014.127384] nbd_ioctl+0x62c/0xbe0 [ 2014.131111] ? _copy_from_user+0xd2/0x130 [ 2014.135269] ? nbd_disconnect_and_put+0x190/0x190 [ 2014.140133] ? __lock_acquire+0x6de/0x3ff0 [ 2014.144384] ? nbd_disconnect_and_put+0x190/0x190 [ 2014.149238] blkdev_ioctl+0x5cb/0x1a80 [ 2014.153138] ? blkpg_ioctl+0x9d0/0x9d0 [ 2014.157063] ? get_pid_task+0xf4/0x190 [ 2014.160964] ? mark_held_locks+0xf0/0xf0 [ 2014.165058] ? proc_fail_nth_write+0x95/0x1d0 [ 2014.169562] ? proc_tgid_io_accounting+0x7f0/0x7f0 [ 2014.174527] block_ioctl+0xe9/0x130 [ 2014.178246] ? blkdev_fallocate+0x3f0/0x3f0 [ 2014.182600] do_vfs_ioctl+0xcdb/0x12e0 [ 2014.186631] ? lock_downgrade+0x720/0x720 [ 2014.190765] ? check_preemption_disabled+0x41/0x280 [ 2014.195815] ? ioctl_preallocate+0x200/0x200 [ 2014.200276] ? __fget+0x356/0x510 [ 2014.203745] ? do_dup2+0x450/0x450 [ 2014.207286] ? vfs_write+0x393/0x540 [ 2014.211089] ? fput+0x2b/0x190 [ 2014.214270] ksys_ioctl+0x9b/0xc0 [ 2014.217722] __x64_sys_ioctl+0x6f/0xb0 [ 2014.221613] ? lockdep_hardirqs_on+0x3a8/0x5c0 [ 2014.226205] do_syscall_64+0xf9/0x620 [ 2014.230066] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 2014.235349] RIP: 0033:0x465b09 [ 2014.238525] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 bc ff ff ff f7 d8 64 89 01 48 [ 2014.257426] RSP: 002b:00007f588ae8e188 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 2014.265118] RAX: ffffffffffffffda RBX: 000000000056bf60 RCX: 0000000000465b09 [ 2014.272372] RDX: ffffffffffffffff RSI: 000000000000ab03 RDI: 0000000000000003 [ 2014.279985] RBP: 00007f588ae8e1d0 R08: 0000000000000000 R09: 0000000000000000 [ 2014.287240] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001 [ 2014.294514] R13: 00007ffc8bbf9eef R14: 00007f588ae8e300 R15: 0000000000022000 22:53:56 executing program 5: r0 = syz_open_dev$ndb(&(0x7f0000000000)='/dev/nbd#\x00', 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff, 0xffffffffffffffff}) ioctl$BTRFS_IOC_GET_DEV_STATS(r2, 0xc4089434, &(0x7f0000000180)={0x0, 0x0, 0x1, [0x9, 0x7fff, 0x3, 0xb1d, 0x5], [0x6, 0x3fb6, 0x3, 0xffffffffffffffff, 0xfffffffffffffc01, 0x200, 0x7e, 0x6cb, 0x800, 0x1, 0x2, 0x4, 0x7, 0x1, 0x7, 0x1, 0x3, 0x7, 0x100000001, 0x3, 0x6, 0x80, 0x4, 0x9, 0x3, 0x1e55, 0xb8, 0x2, 0x0, 0x4, 0x100000001, 0x1, 0x13e9, 0x10000, 0x3, 0x70f2, 0xcd4, 0x5, 0xfff, 0x0, 0x73e7, 0xfffffffffffffff8, 0x4, 0xfff, 0x7ff, 0x20, 0x3b, 0x5, 0x7ff, 0x5, 0x1, 0xfffffffffffffffd, 0x8, 0x1, 0xfffffffffffffff8, 0x3d78, 0x89d, 0x2, 0x2, 0x9b3e, 0x3, 0x5, 0x5, 0x472e0fff, 0x6, 0x7, 0x1b8, 0x2, 0xfffffffffffffffa, 0x1, 0xe4, 0x40, 0x81, 0x9, 0x9, 0x1, 0x3f, 0x5, 0x7, 0x8, 0x53, 0x7, 0x100, 0x7, 0x7fffffff, 0x7f, 0x7, 0x1, 0x1, 0x8, 0x7f, 0x5, 0x6, 0x4, 0x6, 0xad, 0x4, 0x9, 0x1ef2, 0x10001, 0x90, 0x4, 0x8001, 0xffff, 0x6, 0x98, 0x8, 0x29b, 0x7, 0xfffffffffffffffe, 0x0, 0x401, 0x5, 0xffffffffffffff81, 0x4, 0x5cf9, 0x9, 0x1fc0000000, 0x5c8, 0x5, 0x5]}) r3 = openat$dlm_control(0xffffffffffffff9c, &(0x7f0000000000)='/dev/dlm-control\x00', 0x0, 0x0) ioctl$SNDRV_PCM_IOCTL_XRUN(r3, 0x4148, 0x0) r4 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x48100) ioctl$NBD_SET_SOCK(r4, 0xab00, r1) ioctl$NBD_SET_SOCK(r0, 0xab03, 0xffffffffffffffff) ioctl$NBD_SET_SIZE_BLOCKS(0xffffffffffffffff, 0xab07, 0x5) 22:53:56 executing program 2: r0 = openat$snapshot(0xffffffffffffff9c, &(0x7f0000000000)='/dev/snapshot\x00', 0x1, 0x0) ioctl$SNAPSHOT_PREF_IMAGE_SIZE(r0, 0x3312, 0x8) ioctl$SNAPSHOT_S2RAM(r0, 0x330b) openat$snapshot(0xffffffffffffff9c, &(0x7f00000000c0)='/dev/snapshot\x00', 0x100, 0x0) r1 = openat$snapshot(0xffffffffffffff9c, &(0x7f0000000040)='/dev/snapshot\x00', 0x81, 0x0) r2 = openat$dlm_control(0xffffffffffffff9c, &(0x7f0000000000)='/dev/dlm-control\x00', 0x0, 0x0) ioctl$SNDRV_PCM_IOCTL_XRUN(r2, 0x4148, 0x0) ioctl$SNAPSHOT_GET_IMAGE_SIZE(r2, 0x8008330e, &(0x7f0000000100)) ioctl$SNAPSHOT_ALLOC_SWAP_PAGE(r1, 0x80083314, &(0x7f0000000080)) r3 = openat$dlm_control(0xffffffffffffff9c, &(0x7f0000000000)='/dev/dlm-control\x00', 0x0, 0x0) ioctl$SNDRV_PCM_IOCTL_XRUN(r3, 0x4148, 0x0) ioctl$SNAPSHOT_PREF_IMAGE_SIZE(r3, 0x3312, 0x1ff) 22:53:56 executing program 4: r0 = syz_open_dev$ndb(&(0x7f0000000000)='/dev/nbd#\x00', 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = syz_open_dev$ndb(&(0x7f0000000140)='/dev/nbd#\x00', 0x0, 0x0) ioctl$NBD_CLEAR_SOCK(r2, 0xab04) ioctl$NBD_SET_SOCK(r0, 0x127d, 0xffffffffffffffff) 22:53:56 executing program 0 (fault-call:4 fault-nth:1): r0 = syz_open_dev$ndb(&(0x7f0000000000)='/dev/nbd#\x00', 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x13e) ioctl$NBD_SET_SOCK(r0, 0xab03, 0xffffffffffffffff) 22:53:56 executing program 3 (fault-call:0 fault-nth:0): openat$snapshot(0xffffffffffffff9c, &(0x7f0000000000)='/dev/snapshot\x00', 0x0, 0x0) ioctl$SNDCTL_TMR_METRONOME(0xffffffffffffffff, 0x40045407) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)) r0 = openat$sequencer(0xffffffffffffff9c, &(0x7f0000000140)='/dev/sequencer\x00', 0x2, 0x0) ioctl$SNDCTL_SEQ_PANIC(r0, 0x5111) ioctl$SNDCTL_SEQ_RESET(r0, 0x5100) 22:53:56 executing program 1 (fault-call:4 fault-nth:1): r0 = syz_open_dev$ndb(&(0x7f0000000000)='/dev/nbd#\x00', 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x13e) ioctl$NBD_SET_SOCK(r0, 0xab03, 0xffffffffffffffff) [ 2014.313820] block nbd1: Could not allocate knbd recv work queue. [ 2014.329655] block nbd1: shutting down sockets [ 2014.351666] block nbd5: Receive control failed (result -32) [ 2014.357104] block nbd5: shutting down sockets [ 2014.438780] FAULT_INJECTION: forcing a failure. [ 2014.438780] name failslab, interval 1, probability 0, space 0, times 0 [ 2014.456656] block nbd4: shutting down sockets [ 2014.457094] FAULT_INJECTION: forcing a failure. [ 2014.457094] name failslab, interval 1, probability 0, space 0, times 0 [ 2014.483758] FAULT_INJECTION: forcing a failure. [ 2014.483758] name failslab, interval 1, probability 0, space 0, times 0 [ 2014.496134] CPU: 0 PID: 10074 Comm: syz-executor.3 Not tainted 4.19.172-syzkaller #0 [ 2014.504034] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 2014.513387] Call Trace: [ 2014.516689] dump_stack+0x1fc/0x2ef [ 2014.520327] should_fail.cold+0xa/0xf [ 2014.524139] ? setup_fault_attr+0x200/0x200 [ 2014.528664] ? lock_acquire+0x170/0x3c0 [ 2014.532652] __should_failslab+0x115/0x180 [ 2014.536917] should_failslab+0x5/0x10 [ 2014.540739] kmem_cache_alloc+0x277/0x370 [ 2014.544895] getname_flags+0xce/0x590 [ 2014.548707] do_sys_open+0x26c/0x520 [ 2014.552436] ? filp_open+0x70/0x70 [ 2014.555998] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 2014.561379] ? trace_hardirqs_off_caller+0x6e/0x210 [ 2014.566408] ? do_syscall_64+0x21/0x620 [ 2014.570412] do_syscall_64+0xf9/0x620 [ 2014.574315] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 2014.579549] RIP: 0033:0x465b09 [ 2014.582764] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 bc ff ff ff f7 d8 64 89 01 48 [ 2014.601670] RSP: 002b:00007f0b7fbfb188 EFLAGS: 00000246 ORIG_RAX: 0000000000000101 [ 2014.609394] RAX: ffffffffffffffda RBX: 000000000056bf60 RCX: 0000000000465b09 [ 2014.616677] RDX: 0000000000000000 RSI: 0000000020000000 RDI: ffffffffffffff9c [ 2014.623948] RBP: 00007f0b7fbfb1d0 R08: 0000000000000000 R09: 0000000000000000 [ 2014.631237] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001 [ 2014.638691] R13: 00007fffe0184abf R14: 00007f0b7fbfb300 R15: 0000000000022000 [ 2014.645994] CPU: 1 PID: 10070 Comm: syz-executor.0 Not tainted 4.19.172-syzkaller #0 [ 2014.653902] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 2014.663261] Call Trace: [ 2014.665860] dump_stack+0x1fc/0x2ef [ 2014.669499] should_fail.cold+0xa/0xf [ 2014.673312] ? setup_fault_attr+0x200/0x200 [ 2014.677657] ? lock_acquire+0x170/0x3c0 [ 2014.682016] __should_failslab+0x115/0x180 [ 2014.686556] should_failslab+0x5/0x10 [ 2014.690368] kmem_cache_alloc_trace+0x284/0x380 [ 2014.695161] __alloc_workqueue_key+0x7de/0xed0 [ 2014.700113] ? workqueue_sysfs_register+0x3e0/0x3e0 [ 2014.705136] ? __save_stack_trace+0x72/0x190 [ 2014.709553] ? deref_stack_reg+0x134/0x1d0 [ 2014.713908] ? nbd_ioctl+0x151/0xbe0 [ 2014.717632] ? __mutex_add_waiter+0x160/0x160 [ 2014.722137] ? apparmor_sb_mount+0x970/0x970 [ 2014.726573] nbd_start_device+0x183/0xd60 [ 2014.730739] ? security_capable+0x8f/0xc0 [ 2014.735107] nbd_ioctl+0x62c/0xbe0 22:53:57 executing program 4: r0 = syz_open_dev$ndb(&(0x7f0000000000)='/dev/nbd#\x00', 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff, 0xffffffffffffffff}) ioctl$BTRFS_IOC_GET_DEV_STATS(r2, 0xc4089434, &(0x7f0000000180)={0x0, 0x0, 0x1, [0x9, 0x7fff, 0x3, 0xb1d, 0x5], [0x6, 0x3fb6, 0x3, 0xffffffffffffffff, 0xfffffffffffffc01, 0x200, 0x7e, 0x6cb, 0x800, 0x1, 0x2, 0x4, 0x7, 0x1, 0x7, 0x1, 0x3, 0x7, 0x100000001, 0x3, 0x6, 0x80, 0x4, 0x9, 0x3, 0x1e55, 0xb8, 0x2, 0x0, 0x4, 0x100000001, 0x1, 0x13e9, 0x10000, 0x3, 0x70f2, 0xcd4, 0x5, 0xfff, 0x0, 0x73e7, 0xfffffffffffffff8, 0x4, 0xfff, 0x7ff, 0x20, 0x3b, 0x5, 0x7ff, 0x5, 0x1, 0xfffffffffffffffd, 0x8, 0x1, 0xfffffffffffffff8, 0x3d78, 0x89d, 0x2, 0x2, 0x9b3e, 0x3, 0x5, 0x5, 0x472e0fff, 0x6, 0x7, 0x1b8, 0x2, 0xfffffffffffffffa, 0x1, 0xe4, 0x40, 0x81, 0x9, 0x9, 0x1, 0x3f, 0x5, 0x7, 0x8, 0x53, 0x7, 0x100, 0x7, 0x7fffffff, 0x7f, 0x7, 0x1, 0x1, 0x8, 0x7f, 0x5, 0x6, 0x4, 0x6, 0xad, 0x4, 0x9, 0x1ef2, 0x10001, 0x90, 0x4, 0x8001, 0xffff, 0x6, 0x98, 0x8, 0x29b, 0x7, 0xfffffffffffffffe, 0x0, 0x401, 0x5, 0xffffffffffffff81, 0x4, 0x5cf9, 0x9, 0x1fc0000000, 0x5c8, 0x5, 0x5]}) r3 = openat$dlm_control(0xffffffffffffff9c, &(0x7f0000000000)='/dev/dlm-control\x00', 0x0, 0x0) ioctl$SNDRV_PCM_IOCTL_XRUN(r3, 0x4148, 0x0) r4 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x48100) ioctl$NBD_SET_SOCK(r4, 0xab00, r1) ioctl$NBD_SET_SOCK(r0, 0xab03, 0xffffffffffffffff) ioctl$NBD_SET_SIZE_BLOCKS(0xffffffffffffffff, 0xab07, 0x5) [ 2014.738665] ? _copy_from_user+0xd2/0x130 [ 2014.742833] ? nbd_disconnect_and_put+0x190/0x190 [ 2014.747724] ? __lock_acquire+0x6de/0x3ff0 [ 2014.752005] ? nbd_disconnect_and_put+0x190/0x190 [ 2014.756879] blkdev_ioctl+0x5cb/0x1a80 [ 2014.760800] ? blkpg_ioctl+0x9d0/0x9d0 [ 2014.764704] ? get_pid_task+0xf4/0x190 [ 2014.768602] ? mark_held_locks+0xf0/0xf0 [ 2014.772694] ? proc_fail_nth_write+0x95/0x1d0 [ 2014.777378] ? proc_tgid_io_accounting+0x7f0/0x7f0 [ 2014.782855] block_ioctl+0xe9/0x130 [ 2014.786824] ? blkdev_fallocate+0x3f0/0x3f0 [ 2014.791155] do_vfs_ioctl+0xcdb/0x12e0 [ 2014.795063] ? lock_downgrade+0x720/0x720 [ 2014.799225] ? check_preemption_disabled+0x41/0x280 [ 2014.804253] ? ioctl_preallocate+0x200/0x200 [ 2014.809150] ? __fget+0x356/0x510 [ 2014.812740] ? do_dup2+0x450/0x450 [ 2014.816298] ? vfs_write+0x393/0x540 [ 2014.820026] ? fput+0x2b/0x190 [ 2014.823246] ksys_ioctl+0x9b/0xc0 [ 2014.827151] __x64_sys_ioctl+0x6f/0xb0 [ 2014.831140] ? lockdep_hardirqs_on+0x3a8/0x5c0 [ 2014.835737] do_syscall_64+0xf9/0x620 [ 2014.839550] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 2014.844786] RIP: 0033:0x465b09 [ 2014.848101] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 bc ff ff ff f7 d8 64 89 01 48 [ 2014.870520] RSP: 002b:00007f3b29952188 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 2014.878854] RAX: ffffffffffffffda RBX: 000000000056bf60 RCX: 0000000000465b09 [ 2014.886857] RDX: ffffffffffffffff RSI: 000000000000ab03 RDI: 0000000000000003 [ 2014.894157] RBP: 00007f3b299521d0 R08: 0000000000000000 R09: 0000000000000000 [ 2014.901549] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001 [ 2014.908852] R13: 00007ffd432889ef R14: 00007f3b29952300 R15: 0000000000022000 [ 2014.916156] CPU: 0 PID: 10073 Comm: syz-executor.1 Not tainted 4.19.172-syzkaller #0 [ 2014.924361] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 2014.933724] Call Trace: [ 2014.936341] dump_stack+0x1fc/0x2ef [ 2014.940548] should_fail.cold+0xa/0xf [ 2014.943042] block nbd0: Could not allocate knbd recv work queue. [ 2014.944762] ? setup_fault_attr+0x200/0x200 [ 2014.944780] ? lock_acquire+0x170/0x3c0 [ 2014.944802] __should_failslab+0x115/0x180 [ 2014.944828] should_failslab+0x5/0x10 [ 2014.966959] block nbd0: shutting down sockets [ 2014.969458] kmem_cache_alloc_trace+0x284/0x380 [ 2014.969480] __alloc_workqueue_key+0x7de/0xed0 [ 2014.969502] ? workqueue_sysfs_register+0x3e0/0x3e0 [ 2014.969520] ? __save_stack_trace+0x72/0x190 [ 2014.996614] ? deref_stack_reg+0x134/0x1d0 [ 2015.000870] ? nbd_ioctl+0x151/0xbe0 [ 2015.004623] ? __mutex_add_waiter+0x160/0x160 [ 2015.009129] ? apparmor_sb_mount+0x970/0x970 [ 2015.013574] nbd_start_device+0x183/0xd60 [ 2015.017843] ? security_capable+0x8f/0xc0 [ 2015.022010] nbd_ioctl+0x62c/0xbe0 [ 2015.025568] ? _copy_from_user+0xd2/0x130 [ 2015.029830] ? nbd_disconnect_and_put+0x190/0x190 [ 2015.034726] ? __lock_acquire+0x6de/0x3ff0 [ 2015.035226] FAULT_INJECTION: forcing a failure. [ 2015.035226] name failslab, interval 1, probability 0, space 0, times 0 [ 2015.039482] ? nbd_disconnect_and_put+0x190/0x190 [ 2015.039504] blkdev_ioctl+0x5cb/0x1a80 [ 2015.039521] ? blkpg_ioctl+0x9d0/0x9d0 [ 2015.039538] ? get_pid_task+0xf4/0x190 [ 2015.039553] ? mark_held_locks+0xf0/0xf0 [ 2015.039566] ? proc_fail_nth_write+0x95/0x1d0 [ 2015.039591] ? proc_tgid_io_accounting+0x7f0/0x7f0 [ 2015.081284] block_ioctl+0xe9/0x130 [ 2015.084920] ? blkdev_fallocate+0x3f0/0x3f0 [ 2015.089249] do_vfs_ioctl+0xcdb/0x12e0 [ 2015.093707] ? lock_downgrade+0x720/0x720 [ 2015.097868] ? check_preemption_disabled+0x41/0x280 [ 2015.102891] ? ioctl_preallocate+0x200/0x200 [ 2015.107324] ? __fget+0x356/0x510 [ 2015.110799] ? do_dup2+0x450/0x450 [ 2015.114492] ? vfs_write+0x393/0x540 [ 2015.118348] ? fput+0x2b/0x190 [ 2015.121761] ksys_ioctl+0x9b/0xc0 [ 2015.125333] __x64_sys_ioctl+0x6f/0xb0 [ 2015.129443] ? lockdep_hardirqs_on+0x3a8/0x5c0 [ 2015.134135] do_syscall_64+0xf9/0x620 [ 2015.138866] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 2015.144870] RIP: 0033:0x465b09 [ 2015.148077] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 bc ff ff ff f7 d8 64 89 01 48 [ 2015.174004] RSP: 002b:00007f588ae8e188 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 2015.182097] RAX: ffffffffffffffda RBX: 000000000056bf60 RCX: 0000000000465b09 22:53:57 executing program 0 (fault-call:4 fault-nth:2): r0 = syz_open_dev$ndb(&(0x7f0000000000)='/dev/nbd#\x00', 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x13e) ioctl$NBD_SET_SOCK(r0, 0xab03, 0xffffffffffffffff) 22:53:57 executing program 3 (fault-call:0 fault-nth:1): openat$snapshot(0xffffffffffffff9c, &(0x7f0000000000)='/dev/snapshot\x00', 0x0, 0x0) ioctl$SNDCTL_TMR_METRONOME(0xffffffffffffffff, 0x40045407) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)) r0 = openat$sequencer(0xffffffffffffff9c, &(0x7f0000000140)='/dev/sequencer\x00', 0x2, 0x0) ioctl$SNDCTL_SEQ_PANIC(r0, 0x5111) ioctl$SNDCTL_SEQ_RESET(r0, 0x5100) [ 2015.191519] RDX: ffffffffffffffff RSI: 000000000000ab03 RDI: 0000000000000003 [ 2015.198829] RBP: 00007f588ae8e1d0 R08: 0000000000000000 R09: 0000000000000000 [ 2015.206599] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001 [ 2015.214624] R13: 00007ffc8bbf9eef R14: 00007f588ae8e300 R15: 0000000000022000 [ 2015.222896] CPU: 1 PID: 10092 Comm: syz-executor.0 Not tainted 4.19.172-syzkaller #0 [ 2015.232069] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 2015.242305] Call Trace: [ 2015.244917] dump_stack+0x1fc/0x2ef [ 2015.248560] should_fail.cold+0xa/0xf [ 2015.252813] ? setup_fault_attr+0x200/0x200 [ 2015.257151] ? lock_acquire+0x170/0x3c0 [ 2015.261140] __should_failslab+0x115/0x180 [ 2015.265397] should_failslab+0x5/0x10 [ 2015.269206] __kmalloc+0x2ab/0x3c0 [ 2015.272755] ? apply_wqattrs_prepare+0xf7/0xa50 [ 2015.277443] apply_wqattrs_prepare+0xf7/0xa50 [ 2015.282043] apply_workqueue_attrs_locked+0xc5/0x120 [ 2015.287251] __alloc_workqueue_key+0x9c4/0xed0 [ 2015.291863] ? workqueue_sysfs_register+0x3e0/0x3e0 [ 2015.296894] ? __save_stack_trace+0x72/0x190 [ 2015.301747] ? nbd_ioctl+0x151/0xbe0 [ 2015.305491] ? __mutex_add_waiter+0x160/0x160 [ 2015.310016] ? apparmor_sb_mount+0x970/0x970 [ 2015.314441] nbd_start_device+0x183/0xd60 [ 2015.318801] ? security_capable+0x8f/0xc0 [ 2015.322963] nbd_ioctl+0x62c/0xbe0 [ 2015.326516] ? _copy_from_user+0xd2/0x130 [ 2015.330675] ? nbd_disconnect_and_put+0x190/0x190 [ 2015.335535] ? __lock_acquire+0x6de/0x3ff0 22:53:57 executing program 2 (fault-call:6 fault-nth:0): r0 = syz_open_dev$ndb(&(0x7f0000000000)='/dev/nbd#\x00', 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x13e) r2 = syz_open_dev$ndb(&(0x7f0000000140)='/dev/nbd#\x00', 0x0, 0x0) ioctl$NBD_CLEAR_SOCK(r2, 0xab04) ioctl$NBD_SET_SOCK(r0, 0xab03, 0xffffffffffffffff) [ 2015.339783] ? nbd_disconnect_and_put+0x190/0x190 [ 2015.344671] blkdev_ioctl+0x5cb/0x1a80 [ 2015.348579] ? blkpg_ioctl+0x9d0/0x9d0 [ 2015.352479] ? get_pid_task+0xf4/0x190 [ 2015.356380] ? mark_held_locks+0xf0/0xf0 [ 2015.360457] ? proc_fail_nth_write+0x95/0x1d0 [ 2015.364959] ? proc_tgid_io_accounting+0x7f0/0x7f0 [ 2015.369911] block_ioctl+0xe9/0x130 [ 2015.373545] ? blkdev_fallocate+0x3f0/0x3f0 [ 2015.378321] do_vfs_ioctl+0xcdb/0x12e0 [ 2015.382221] ? lock_downgrade+0x720/0x720 [ 2015.386381] ? check_preemption_disabled+0x41/0x280 [ 2015.391408] ? ioctl_preallocate+0x200/0x200 [ 2015.396093] ? __fget+0x356/0x510 [ 2015.399565] ? do_dup2+0x450/0x450 [ 2015.403114] ? vfs_write+0x393/0x540 [ 2015.406861] ? fput+0x2b/0x190 [ 2015.410079] ksys_ioctl+0x9b/0xc0 [ 2015.413547] __x64_sys_ioctl+0x6f/0xb0 [ 2015.417446] ? lockdep_hardirqs_on+0x3a8/0x5c0 [ 2015.422058] do_syscall_64+0xf9/0x620 [ 2015.425869] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 2015.432303] RIP: 0033:0x465b09 [ 2015.435502] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 bc ff ff ff f7 d8 64 89 01 48 [ 2015.454777] RSP: 002b:00007f3b29952188 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 2015.462788] RAX: ffffffffffffffda RBX: 000000000056bf60 RCX: 0000000000465b09 [ 2015.470066] RDX: ffffffffffffffff RSI: 000000000000ab03 RDI: 0000000000000003 [ 2015.477429] RBP: 00007f3b299521d0 R08: 0000000000000000 R09: 0000000000000000 [ 2015.484825] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001 [ 2015.492796] R13: 00007ffd432889ef R14: 00007f3b29952300 R15: 0000000000022000 [ 2015.502091] block nbd5: Receive control failed (result -32) [ 2015.506868] FAULT_INJECTION: forcing a failure. [ 2015.506868] name failslab, interval 1, probability 0, space 0, times 0 [ 2015.508556] block nbd5: shutting down sockets [ 2015.529922] block nbd2: shutting down sockets [ 2015.534615] CPU: 1 PID: 10095 Comm: syz-executor.3 Not tainted 4.19.172-syzkaller #0 [ 2015.542503] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 2015.551869] Call Trace: [ 2015.554475] dump_stack+0x1fc/0x2ef [ 2015.558139] should_fail.cold+0xa/0xf [ 2015.561950] ? setup_fault_attr+0x200/0x200 [ 2015.565450] block nbd1: Could not allocate knbd recv work queue. [ 2015.566288] ? lock_acquire+0x170/0x3c0 [ 2015.566312] __should_failslab+0x115/0x180 [ 2015.566331] should_failslab+0x5/0x10 [ 2015.566349] kmem_cache_alloc+0x277/0x370 [ 2015.572656] block nbd1: shutting down sockets [ 2015.576450] __alloc_file+0x21/0x330 [ 2015.576469] alloc_empty_file+0x6d/0x170 [ 2015.576487] path_openat+0xe9/0x2df0 [ 2015.576505] ? __lock_acquire+0x6de/0x3ff0 [ 2015.609043] ? check_preemption_disabled+0x41/0x280 [ 2015.614068] ? path_lookupat+0x8d0/0x8d0 [ 2015.618141] ? mark_held_locks+0xf0/0xf0 [ 2015.621011] block nbd0: Could not allocate knbd recv work queue. [ 2015.622201] ? mark_held_locks+0xf0/0xf0 [ 2015.622219] ? proc_fail_nth_write+0x95/0x1d0 [ 2015.622240] do_filp_open+0x18c/0x3f0 22:53:58 executing program 5: r0 = syz_open_dev$ndb(&(0x7f0000000000)='/dev/nbd#\x00', 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff, 0xffffffffffffffff}) ioctl$BTRFS_IOC_GET_DEV_STATS(r2, 0xc4089434, &(0x7f0000000180)={0x0, 0x0, 0x1, [0x9, 0x7fff, 0x3, 0xb1d, 0x5], [0x6, 0x3fb6, 0x3, 0xffffffffffffffff, 0xfffffffffffffc01, 0x200, 0x7e, 0x6cb, 0x800, 0x1, 0x2, 0x4, 0x7, 0x1, 0x7, 0x1, 0x3, 0x7, 0x100000001, 0x3, 0x6, 0x80, 0x4, 0x9, 0x3, 0x1e55, 0xb8, 0x2, 0x0, 0x4, 0x100000001, 0x1, 0x13e9, 0x10000, 0x3, 0x70f2, 0xcd4, 0x5, 0xfff, 0x0, 0x73e7, 0xfffffffffffffff8, 0x4, 0xfff, 0x7ff, 0x20, 0x3b, 0x5, 0x7ff, 0x5, 0x1, 0xfffffffffffffffd, 0x8, 0x1, 0xfffffffffffffff8, 0x3d78, 0x89d, 0x2, 0x2, 0x9b3e, 0x3, 0x5, 0x5, 0x472e0fff, 0x6, 0x7, 0x1b8, 0x2, 0xfffffffffffffffa, 0x1, 0xe4, 0x40, 0x81, 0x9, 0x9, 0x1, 0x3f, 0x5, 0x7, 0x8, 0x53, 0x7, 0x100, 0x7, 0x7fffffff, 0x7f, 0x7, 0x1, 0x1, 0x8, 0x7f, 0x5, 0x6, 0x4, 0x6, 0xad, 0x4, 0x9, 0x1ef2, 0x10001, 0x90, 0x4, 0x8001, 0xffff, 0x6, 0x98, 0x8, 0x29b, 0x7, 0xfffffffffffffffe, 0x0, 0x401, 0x5, 0xffffffffffffff81, 0x4, 0x5cf9, 0x9, 0x1fc0000000, 0x5c8, 0x5, 0x5]}) r3 = openat$dlm_control(0xffffffffffffff9c, &(0x7f0000000000)='/dev/dlm-control\x00', 0x0, 0x0) ioctl$SNDRV_PCM_IOCTL_XRUN(r3, 0x4148, 0x0) r4 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x48100) ioctl$NBD_SET_SOCK(r4, 0xab00, r1) ioctl$NBD_SET_SOCK(r0, 0xab03, 0xffffffffffffffff) ioctl$NBD_SET_SIZE_BLOCKS(0xffffffffffffffff, 0xab07, 0x5) [ 2015.622255] ? may_open_dev+0xf0/0xf0 [ 2015.644558] ? __alloc_fd+0x28d/0x570 [ 2015.648373] ? lock_downgrade+0x720/0x720 [ 2015.652524] ? lock_acquire+0x170/0x3c0 [ 2015.656506] ? __alloc_fd+0x34/0x570 [ 2015.660322] ? do_raw_spin_unlock+0x171/0x230 [ 2015.664941] ? _raw_spin_unlock+0x29/0x40 [ 2015.669098] ? __alloc_fd+0x28d/0x570 [ 2015.672917] do_sys_open+0x3b3/0x520 [ 2015.676642] ? filp_open+0x70/0x70 [ 2015.680200] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 2015.685665] ? trace_hardirqs_off_caller+0x6e/0x210 [ 2015.690696] ? do_syscall_64+0x21/0x620 [ 2015.694679] do_syscall_64+0xf9/0x620 [ 2015.698491] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 2015.703687] RIP: 0033:0x465b09 [ 2015.706919] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 bc ff ff ff f7 d8 64 89 01 48 [ 2015.714366] FAULT_INJECTION: forcing a failure. [ 2015.714366] name failslab, interval 1, probability 0, space 0, times 0 [ 2015.725963] RSP: 002b:00007f0b7fbfb188 EFLAGS: 00000246 ORIG_RAX: 0000000000000101 [ 2015.725978] RAX: ffffffffffffffda RBX: 000000000056bf60 RCX: 0000000000465b09 [ 2015.725987] RDX: 0000000000000000 RSI: 0000000020000000 RDI: ffffffffffffff9c [ 2015.725996] RBP: 00007f0b7fbfb1d0 R08: 0000000000000000 R09: 0000000000000000 [ 2015.726004] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001 [ 2015.726013] R13: 00007fffe0184abf R14: 00007f0b7fbfb300 R15: 0000000000022000 [ 2015.729358] block nbd0: shutting down sockets [ 2015.753035] CPU: 0 PID: 10103 Comm: syz-executor.2 Not tainted 4.19.172-syzkaller #0 [ 2015.773221] block nbd4: Receive control failed (result -32) [ 2015.774270] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 2015.774276] Call Trace: [ 2015.774300] dump_stack+0x1fc/0x2ef [ 2015.774317] should_fail.cold+0xa/0xf [ 2015.782134] block nbd4: shutting down sockets [ 2015.786077] ? setup_fault_attr+0x200/0x200 [ 2015.786095] ? lock_acquire+0x170/0x3c0 [ 2015.786115] __should_failslab+0x115/0x180 [ 2015.836207] should_failslab+0x5/0x10 [ 2015.840039] __kmalloc+0x2ab/0x3c0 [ 2015.843605] ? __alloc_workqueue_key+0x789/0xed0 [ 2015.848602] ? lock_acquire+0x170/0x3c0 [ 2015.852594] __alloc_workqueue_key+0x789/0xed0 [ 2015.857288] ? workqueue_sysfs_register+0x3e0/0x3e0 [ 2015.862317] ? __save_stack_trace+0x72/0x190 [ 2015.866762] ? deref_stack_reg+0x134/0x1d0 [ 2015.871012] ? nbd_ioctl+0x151/0xbe0 [ 2015.874739] ? __mutex_add_waiter+0x160/0x160 [ 2015.879419] ? apparmor_sb_mount+0x970/0x970 [ 2015.883898] nbd_start_device+0x183/0xd60 [ 2015.888164] ? security_capable+0x8f/0xc0 [ 2015.892342] nbd_ioctl+0x62c/0xbe0 [ 2015.896050] ? _copy_from_user+0xd2/0x130 [ 2015.900211] ? nbd_disconnect_and_put+0x190/0x190 [ 2015.905073] ? __lock_acquire+0x6de/0x3ff0 [ 2015.908173] block nbd5: shutting down sockets [ 2015.909311] ? nbd_disconnect_and_put+0x190/0x190 [ 2015.909336] blkdev_ioctl+0x5cb/0x1a80 [ 2015.909353] ? blkpg_ioctl+0x9d0/0x9d0 [ 2015.926456] ? get_pid_task+0xf4/0x190 [ 2015.930359] ? mark_held_locks+0xf0/0xf0 [ 2015.934431] ? proc_fail_nth_write+0x95/0x1d0 [ 2015.938947] ? proc_tgid_io_accounting+0x7f0/0x7f0 [ 2015.943902] block_ioctl+0xe9/0x130 [ 2015.948022] ? blkdev_fallocate+0x3f0/0x3f0 [ 2015.952369] do_vfs_ioctl+0xcdb/0x12e0 [ 2015.956278] ? lock_downgrade+0x720/0x720 [ 2015.960461] ? check_preemption_disabled+0x41/0x280 [ 2015.965488] ? ioctl_preallocate+0x200/0x200 [ 2015.969908] ? __fget+0x356/0x510 [ 2015.973376] ? do_dup2+0x450/0x450 [ 2015.976932] ? vfs_write+0x393/0x540 [ 2015.978463] FAULT_INJECTION: forcing a failure. [ 2015.978463] name failslab, interval 1, probability 0, space 0, times 0 [ 2015.980658] ? fput+0x2b/0x190 [ 2015.980682] ksys_ioctl+0x9b/0xc0 [ 2015.980699] __x64_sys_ioctl+0x6f/0xb0 [ 2015.980725] ? lockdep_hardirqs_on+0x3a8/0x5c0 [ 2016.007252] do_syscall_64+0xf9/0x620 [ 2016.011065] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 2016.016267] RIP: 0033:0x465b09 [ 2016.019461] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 bc ff ff ff f7 d8 64 89 01 48 [ 2016.038365] RSP: 002b:00007f14dd967188 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 22:53:58 executing program 1: r0 = syz_open_dev$ndb(&(0x7f0000000000)='/dev/nbd#\x00', 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x13e) ioctl$NBD_SET_SOCK(r0, 0xab03, 0xffffffffffffffff) 22:53:58 executing program 0 (fault-call:4 fault-nth:3): r0 = syz_open_dev$ndb(&(0x7f0000000000)='/dev/nbd#\x00', 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x13e) ioctl$NBD_SET_SOCK(r0, 0xab03, 0xffffffffffffffff) [ 2016.046077] RAX: ffffffffffffffda RBX: 000000000056bf60 RCX: 0000000000465b09 [ 2016.053350] RDX: ffffffffffffffff RSI: 000000000000ab03 RDI: 0000000000000003 [ 2016.060627] RBP: 00007f14dd9671d0 R08: 0000000000000000 R09: 0000000000000000 [ 2016.067898] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001 [ 2016.076383] R13: 00007ffd406a830f R14: 00007f14dd967300 R15: 0000000000022000 [ 2016.083696] CPU: 1 PID: 10116 Comm: syz-executor.0 Not tainted 4.19.172-syzkaller #0 22:53:58 executing program 4 (fault-call:0 fault-nth:0): openat$snapshot(0xffffffffffffff9c, &(0x7f0000000040)='/dev/snapshot\x00', 0x40181, 0x0) 22:53:58 executing program 5: r0 = syz_open_dev$ndb(&(0x7f0000000000)='/dev/nbd#\x00', 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff, 0xffffffffffffffff}) ioctl$BTRFS_IOC_GET_DEV_STATS(r1, 0xc4089434, &(0x7f0000000180)={0x0, 0x0, 0x1, [0x9, 0x7fff, 0x3, 0xb1d, 0x5], [0x6, 0x3fb6, 0x3, 0xffffffffffffffff, 0xfffffffffffffc01, 0x200, 0x7e, 0x6cb, 0x800, 0x1, 0x2, 0x4, 0x7, 0x1, 0x7, 0x1, 0x3, 0x7, 0x100000001, 0x3, 0x6, 0x80, 0x4, 0x9, 0x3, 0x1e55, 0xb8, 0x2, 0x0, 0x4, 0x100000001, 0x1, 0x13e9, 0x10000, 0x3, 0x70f2, 0xcd4, 0x5, 0xfff, 0x0, 0x73e7, 0xfffffffffffffff8, 0x4, 0xfff, 0x7ff, 0x20, 0x3b, 0x5, 0x7ff, 0x5, 0x1, 0xfffffffffffffffd, 0x8, 0x1, 0xfffffffffffffff8, 0x3d78, 0x89d, 0x2, 0x2, 0x9b3e, 0x3, 0x5, 0x5, 0x472e0fff, 0x6, 0x7, 0x1b8, 0x2, 0xfffffffffffffffa, 0x1, 0xe4, 0x40, 0x81, 0x9, 0x9, 0x1, 0x3f, 0x5, 0x7, 0x8, 0x53, 0x7, 0x100, 0x7, 0x7fffffff, 0x7f, 0x7, 0x1, 0x1, 0x8, 0x7f, 0x5, 0x6, 0x4, 0x6, 0xad, 0x4, 0x9, 0x1ef2, 0x10001, 0x90, 0x4, 0x8001, 0xffff, 0x6, 0x98, 0x8, 0x29b, 0x7, 0xfffffffffffffffe, 0x0, 0x401, 0x5, 0xffffffffffffff81, 0x4, 0x5cf9, 0x9, 0x1fc0000000, 0x5c8, 0x5, 0x5]}) r2 = openat$dlm_control(0xffffffffffffff9c, &(0x7f0000000000)='/dev/dlm-control\x00', 0x0, 0x0) ioctl$SNDRV_PCM_IOCTL_XRUN(r2, 0x4148, 0x0) syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x48100) r3 = syz_open_dev$ndb(&(0x7f0000000140)='/dev/nbd#\x00', 0x0, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab03, 0xffffffffffffffff) ioctl$NBD_SET_SIZE_BLOCKS(r3, 0xab07, 0x5) [ 2016.091620] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 2016.101000] Call Trace: [ 2016.103603] dump_stack+0x1fc/0x2ef [ 2016.107245] should_fail.cold+0xa/0xf [ 2016.111055] ? setup_fault_attr+0x200/0x200 [ 2016.115382] ? lock_acquire+0x170/0x3c0 [ 2016.119395] __should_failslab+0x115/0x180 [ 2016.123638] should_failslab+0x5/0x10 [ 2016.127880] kmem_cache_alloc_trace+0x284/0x380 [ 2016.132562] apply_wqattrs_prepare+0x137/0xa50 [ 2016.137165] apply_workqueue_attrs_locked+0xc5/0x120 [ 2016.142278] __alloc_workqueue_key+0x9c4/0xed0 [ 2016.146916] ? workqueue_sysfs_register+0x3e0/0x3e0 [ 2016.151943] ? __save_stack_trace+0x72/0x190 [ 2016.156363] ? nbd_ioctl+0x151/0xbe0 [ 2016.160094] ? __mutex_add_waiter+0x160/0x160 [ 2016.160449] FAULT_INJECTION: forcing a failure. [ 2016.160449] name failslab, interval 1, probability 0, space 0, times 0 [ 2016.164596] ? apparmor_sb_mount+0x970/0x970 [ 2016.164619] nbd_start_device+0x183/0xd60 [ 2016.164634] ? security_capable+0x8f/0xc0 [ 2016.164658] nbd_ioctl+0x62c/0xbe0 [ 2016.192061] ? _copy_from_user+0xd2/0x130 22:53:58 executing program 5: r0 = syz_open_dev$ndb(&(0x7f0000000000)='/dev/nbd#\x00', 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff, 0xffffffffffffffff}) ioctl$BTRFS_IOC_GET_DEV_STATS(r1, 0xc4089434, &(0x7f0000000180)={0x0, 0x0, 0x1, [0x9, 0x7fff, 0x3, 0xb1d, 0x5], [0x6, 0x3fb6, 0x3, 0xffffffffffffffff, 0xfffffffffffffc01, 0x200, 0x7e, 0x6cb, 0x800, 0x1, 0x2, 0x4, 0x7, 0x1, 0x7, 0x1, 0x3, 0x7, 0x100000001, 0x3, 0x6, 0x80, 0x4, 0x9, 0x3, 0x1e55, 0xb8, 0x2, 0x0, 0x4, 0x100000001, 0x1, 0x13e9, 0x10000, 0x3, 0x70f2, 0xcd4, 0x5, 0xfff, 0x0, 0x73e7, 0xfffffffffffffff8, 0x4, 0xfff, 0x7ff, 0x20, 0x3b, 0x5, 0x7ff, 0x5, 0x1, 0xfffffffffffffffd, 0x8, 0x1, 0xfffffffffffffff8, 0x3d78, 0x89d, 0x2, 0x2, 0x9b3e, 0x3, 0x5, 0x5, 0x472e0fff, 0x6, 0x7, 0x1b8, 0x2, 0xfffffffffffffffa, 0x1, 0xe4, 0x40, 0x81, 0x9, 0x9, 0x1, 0x3f, 0x5, 0x7, 0x8, 0x53, 0x7, 0x100, 0x7, 0x7fffffff, 0x7f, 0x7, 0x1, 0x1, 0x8, 0x7f, 0x5, 0x6, 0x4, 0x6, 0xad, 0x4, 0x9, 0x1ef2, 0x10001, 0x90, 0x4, 0x8001, 0xffff, 0x6, 0x98, 0x8, 0x29b, 0x7, 0xfffffffffffffffe, 0x0, 0x401, 0x5, 0xffffffffffffff81, 0x4, 0x5cf9, 0x9, 0x1fc0000000, 0x5c8, 0x5, 0x5]}) r2 = openat$dlm_control(0xffffffffffffff9c, &(0x7f0000000000)='/dev/dlm-control\x00', 0x0, 0x0) ioctl$SNDRV_PCM_IOCTL_XRUN(r2, 0x4148, 0x0) syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x48100) r3 = syz_open_dev$ndb(&(0x7f0000000140)='/dev/nbd#\x00', 0x0, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab03, 0xffffffffffffffff) ioctl$NBD_SET_SIZE_BLOCKS(r3, 0xab07, 0x5) [ 2016.196225] ? nbd_disconnect_and_put+0x190/0x190 [ 2016.201090] ? __lock_acquire+0x6de/0x3ff0 [ 2016.205360] ? nbd_disconnect_and_put+0x190/0x190 [ 2016.210237] blkdev_ioctl+0x5cb/0x1a80 [ 2016.214138] ? blkpg_ioctl+0x9d0/0x9d0 [ 2016.218179] ? get_pid_task+0xf4/0x190 [ 2016.222083] ? mark_held_locks+0xf0/0xf0 [ 2016.226151] ? proc_fail_nth_write+0x95/0x1d0 [ 2016.230664] ? proc_tgid_io_accounting+0x7f0/0x7f0 [ 2016.235708] block_ioctl+0xe9/0x130 [ 2016.239343] ? blkdev_fallocate+0x3f0/0x3f0 [ 2016.243684] do_vfs_ioctl+0xcdb/0x12e0 [ 2016.247580] ? lock_downgrade+0x720/0x720 [ 2016.251733] ? check_preemption_disabled+0x41/0x280 [ 2016.256757] ? ioctl_preallocate+0x200/0x200 [ 2016.261177] ? __fget+0x356/0x510 [ 2016.264640] ? do_dup2+0x450/0x450 [ 2016.268555] ? vfs_write+0x393/0x540 [ 2016.272281] ? fput+0x2b/0x190 [ 2016.275495] ksys_ioctl+0x9b/0xc0 [ 2016.278978] __x64_sys_ioctl+0x6f/0xb0 [ 2016.282882] ? lockdep_hardirqs_on+0x3a8/0x5c0 [ 2016.287576] do_syscall_64+0xf9/0x620 [ 2016.291390] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 2016.296589] RIP: 0033:0x465b09 [ 2016.299788] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 bc ff ff ff f7 d8 64 89 01 48 [ 2016.318850] RSP: 002b:00007f3b29952188 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 2016.326571] RAX: ffffffffffffffda RBX: 000000000056bf60 RCX: 0000000000465b09 [ 2016.334114] RDX: ffffffffffffffff RSI: 000000000000ab03 RDI: 0000000000000003 22:53:58 executing program 3 (fault-call:0 fault-nth:2): openat$snapshot(0xffffffffffffff9c, &(0x7f0000000000)='/dev/snapshot\x00', 0x0, 0x0) ioctl$SNDCTL_TMR_METRONOME(0xffffffffffffffff, 0x40045407) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)) r0 = openat$sequencer(0xffffffffffffff9c, &(0x7f0000000140)='/dev/sequencer\x00', 0x2, 0x0) ioctl$SNDCTL_SEQ_PANIC(r0, 0x5111) ioctl$SNDCTL_SEQ_RESET(r0, 0x5100) [ 2016.341418] RBP: 00007f3b299521d0 R08: 0000000000000000 R09: 0000000000000000 [ 2016.348781] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001 [ 2016.356064] R13: 00007ffd432889ef R14: 00007f3b29952300 R15: 0000000000022000 [ 2016.367267] CPU: 0 PID: 10124 Comm: syz-executor.4 Not tainted 4.19.172-syzkaller #0 [ 2016.375192] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 2016.384569] Call Trace: [ 2016.389274] dump_stack+0x1fc/0x2ef [ 2016.392918] should_fail.cold+0xa/0xf [ 2016.396732] ? setup_fault_attr+0x200/0x200 [ 2016.401065] ? lock_acquire+0x170/0x3c0 [ 2016.404100] block nbd2: Could not allocate knbd recv work queue. [ 2016.405094] __should_failslab+0x115/0x180 [ 2016.405115] should_failslab+0x5/0x10 [ 2016.405129] kmem_cache_alloc+0x277/0x370 [ 2016.405153] getname_flags+0xce/0x590 [ 2016.423055] block nbd0: Could not allocate knbd recv work queue. [ 2016.423977] do_sys_open+0x26c/0x520 [ 2016.423995] ? filp_open+0x70/0x70 [ 2016.424013] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 2016.424033] ? trace_hardirqs_off_caller+0x6e/0x210 [ 2016.436378] block nbd0: shutting down sockets [ 2016.437691] ? do_syscall_64+0x21/0x620 [ 2016.461200] do_syscall_64+0xf9/0x620 [ 2016.465561] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 2016.470775] RIP: 0033:0x465b09 [ 2016.473982] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 bc ff ff ff f7 d8 64 89 01 48 22:53:59 executing program 5: r0 = syz_open_dev$ndb(&(0x7f0000000000)='/dev/nbd#\x00', 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff, 0xffffffffffffffff}) ioctl$BTRFS_IOC_GET_DEV_STATS(r1, 0xc4089434, &(0x7f0000000180)={0x0, 0x0, 0x1, [0x9, 0x7fff, 0x3, 0xb1d, 0x5], [0x6, 0x3fb6, 0x3, 0xffffffffffffffff, 0xfffffffffffffc01, 0x200, 0x7e, 0x6cb, 0x800, 0x1, 0x2, 0x4, 0x7, 0x1, 0x7, 0x1, 0x3, 0x7, 0x100000001, 0x3, 0x6, 0x80, 0x4, 0x9, 0x3, 0x1e55, 0xb8, 0x2, 0x0, 0x4, 0x100000001, 0x1, 0x13e9, 0x10000, 0x3, 0x70f2, 0xcd4, 0x5, 0xfff, 0x0, 0x73e7, 0xfffffffffffffff8, 0x4, 0xfff, 0x7ff, 0x20, 0x3b, 0x5, 0x7ff, 0x5, 0x1, 0xfffffffffffffffd, 0x8, 0x1, 0xfffffffffffffff8, 0x3d78, 0x89d, 0x2, 0x2, 0x9b3e, 0x3, 0x5, 0x5, 0x472e0fff, 0x6, 0x7, 0x1b8, 0x2, 0xfffffffffffffffa, 0x1, 0xe4, 0x40, 0x81, 0x9, 0x9, 0x1, 0x3f, 0x5, 0x7, 0x8, 0x53, 0x7, 0x100, 0x7, 0x7fffffff, 0x7f, 0x7, 0x1, 0x1, 0x8, 0x7f, 0x5, 0x6, 0x4, 0x6, 0xad, 0x4, 0x9, 0x1ef2, 0x10001, 0x90, 0x4, 0x8001, 0xffff, 0x6, 0x98, 0x8, 0x29b, 0x7, 0xfffffffffffffffe, 0x0, 0x401, 0x5, 0xffffffffffffff81, 0x4, 0x5cf9, 0x9, 0x1fc0000000, 0x5c8, 0x5, 0x5]}) r2 = openat$dlm_control(0xffffffffffffff9c, &(0x7f0000000000)='/dev/dlm-control\x00', 0x0, 0x0) ioctl$SNDRV_PCM_IOCTL_XRUN(r2, 0x4148, 0x0) syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x48100) r3 = syz_open_dev$ndb(&(0x7f0000000140)='/dev/nbd#\x00', 0x0, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab03, 0xffffffffffffffff) ioctl$NBD_SET_SIZE_BLOCKS(r3, 0xab07, 0x5) 22:53:59 executing program 0 (fault-call:4 fault-nth:4): r0 = syz_open_dev$ndb(&(0x7f0000000000)='/dev/nbd#\x00', 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x13e) ioctl$NBD_SET_SOCK(r0, 0xab03, 0xffffffffffffffff) 22:53:59 executing program 2: r0 = syz_open_dev$ndb(&(0x7f0000000000)='/dev/nbd#\x00', 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x13e) r2 = syz_open_dev$ndb(&(0x7f0000000140)='/dev/nbd#\x00', 0x0, 0x0) ioctl$NBD_CLEAR_SOCK(r2, 0xab04) ioctl$NBD_SET_SOCK(r0, 0xab03, 0xffffffffffffffff) [ 2016.495957] RSP: 002b:00007fdf3d69b188 EFLAGS: 00000246 ORIG_RAX: 0000000000000101 [ 2016.503729] RAX: ffffffffffffffda RBX: 000000000056bf60 RCX: 0000000000465b09 [ 2016.511049] RDX: 0000000000040181 RSI: 0000000020000040 RDI: ffffffffffffff9c [ 2016.518362] RBP: 00007fdf3d69b1d0 R08: 0000000000000000 R09: 0000000000000000 [ 2016.525655] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001 [ 2016.532954] R13: 00007ffde5f966bf R14: 00007fdf3d69b300 R15: 0000000000022000 [ 2016.599091] FAULT_INJECTION: forcing a failure. [ 2016.599091] name failslab, interval 1, probability 0, space 0, times 0 [ 2016.615845] FAULT_INJECTION: forcing a failure. [ 2016.615845] name failslab, interval 1, probability 0, space 0, times 0 [ 2016.636192] block nbd2: shutting down sockets [ 2016.644990] CPU: 0 PID: 10140 Comm: syz-executor.3 Not tainted 4.19.172-syzkaller #0 [ 2016.652898] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 2016.656663] block nbd1: Receive control failed (result -32) [ 2016.662257] Call Trace: [ 2016.662285] dump_stack+0x1fc/0x2ef [ 2016.662307] should_fail.cold+0xa/0xf [ 2016.668472] block nbd1: shutting down sockets [ 2016.670608] ? setup_fault_attr+0x200/0x200 [ 2016.670626] ? lock_acquire+0x170/0x3c0 [ 2016.670648] __should_failslab+0x115/0x180 [ 2016.695595] should_failslab+0x5/0x10 [ 2016.699449] kmem_cache_alloc+0x277/0x370 [ 2016.703641] __alloc_file+0x21/0x330 [ 2016.707394] alloc_empty_file+0x6d/0x170 [ 2016.711473] path_openat+0xe9/0x2df0 [ 2016.715199] ? __lock_acquire+0x6de/0x3ff0 [ 2016.719463] ? check_preemption_disabled+0x41/0x280 [ 2016.724496] ? path_lookupat+0x8d0/0x8d0 [ 2016.728597] ? mark_held_locks+0xf0/0xf0 [ 2016.732703] ? proc_fail_nth_write+0x95/0x1d0 [ 2016.737218] do_filp_open+0x18c/0x3f0 [ 2016.741043] ? may_open_dev+0xf0/0xf0 [ 2016.744902] ? __alloc_fd+0x28d/0x570 [ 2016.748731] ? lock_downgrade+0x720/0x720 [ 2016.753258] ? lock_acquire+0x170/0x3c0 [ 2016.757248] ? __alloc_fd+0x34/0x570 [ 2016.761002] ? do_raw_spin_unlock+0x171/0x230 [ 2016.765596] ? _raw_spin_unlock+0x29/0x40 [ 2016.769751] ? __alloc_fd+0x28d/0x570 [ 2016.773569] do_sys_open+0x3b3/0x520 [ 2016.777583] ? filp_open+0x70/0x70 [ 2016.781134] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 2016.786502] ? trace_hardirqs_off_caller+0x6e/0x210 [ 2016.791530] ? do_syscall_64+0x21/0x620 [ 2016.795507] do_syscall_64+0xf9/0x620 [ 2016.799666] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 2016.804858] RIP: 0033:0x465b09 [ 2016.808058] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 bc ff ff ff f7 d8 64 89 01 48 [ 2016.827446] RSP: 002b:00007f0b7fbfb188 EFLAGS: 00000246 ORIG_RAX: 0000000000000101 [ 2016.835172] RAX: ffffffffffffffda RBX: 000000000056bf60 RCX: 0000000000465b09 [ 2016.842451] RDX: 0000000000000000 RSI: 0000000020000000 RDI: ffffffffffffff9c 22:53:59 executing program 5: r0 = syz_open_dev$ndb(&(0x7f0000000000)='/dev/nbd#\x00', 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff, 0xffffffffffffffff}) ioctl$BTRFS_IOC_GET_DEV_STATS(r2, 0xc4089434, &(0x7f0000000180)={0x0, 0x0, 0x1, [0x9, 0x7fff, 0x3, 0xb1d, 0x5], [0x6, 0x3fb6, 0x3, 0xffffffffffffffff, 0xfffffffffffffc01, 0x200, 0x7e, 0x6cb, 0x800, 0x1, 0x2, 0x4, 0x7, 0x1, 0x7, 0x1, 0x3, 0x7, 0x100000001, 0x3, 0x6, 0x80, 0x4, 0x9, 0x3, 0x1e55, 0xb8, 0x2, 0x0, 0x4, 0x100000001, 0x1, 0x13e9, 0x10000, 0x3, 0x70f2, 0xcd4, 0x5, 0xfff, 0x0, 0x73e7, 0xfffffffffffffff8, 0x4, 0xfff, 0x7ff, 0x20, 0x3b, 0x5, 0x7ff, 0x5, 0x1, 0xfffffffffffffffd, 0x8, 0x1, 0xfffffffffffffff8, 0x3d78, 0x89d, 0x2, 0x2, 0x9b3e, 0x3, 0x5, 0x5, 0x472e0fff, 0x6, 0x7, 0x1b8, 0x2, 0xfffffffffffffffa, 0x1, 0xe4, 0x40, 0x81, 0x9, 0x9, 0x1, 0x3f, 0x5, 0x7, 0x8, 0x53, 0x7, 0x100, 0x7, 0x7fffffff, 0x7f, 0x7, 0x1, 0x1, 0x8, 0x7f, 0x5, 0x6, 0x4, 0x6, 0xad, 0x4, 0x9, 0x1ef2, 0x10001, 0x90, 0x4, 0x8001, 0xffff, 0x6, 0x98, 0x8, 0x29b, 0x7, 0xfffffffffffffffe, 0x0, 0x401, 0x5, 0xffffffffffffff81, 0x4, 0x5cf9, 0x9, 0x1fc0000000, 0x5c8, 0x5, 0x5]}) r3 = openat$dlm_control(0xffffffffffffff9c, &(0x7f0000000000)='/dev/dlm-control\x00', 0x0, 0x0) ioctl$SNDRV_PCM_IOCTL_XRUN(r3, 0x4148, 0x0) ioctl$NBD_SET_SOCK(0xffffffffffffffff, 0xab00, r1) r4 = syz_open_dev$ndb(&(0x7f0000000140)='/dev/nbd#\x00', 0x0, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab03, 0xffffffffffffffff) ioctl$NBD_SET_SIZE_BLOCKS(r4, 0xab07, 0x5) [ 2016.849724] RBP: 00007f0b7fbfb1d0 R08: 0000000000000000 R09: 0000000000000000 [ 2016.857008] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001 [ 2016.864276] R13: 00007fffe0184abf R14: 00007f0b7fbfb300 R15: 0000000000022000 [ 2016.871572] CPU: 1 PID: 10143 Comm: syz-executor.0 Not tainted 4.19.172-syzkaller #0 [ 2016.879472] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 2016.888835] Call Trace: [ 2016.891444] dump_stack+0x1fc/0x2ef [ 2016.895094] should_fail.cold+0xa/0xf 22:53:59 executing program 5: r0 = syz_open_dev$ndb(&(0x7f0000000000)='/dev/nbd#\x00', 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff, 0xffffffffffffffff}) ioctl$BTRFS_IOC_GET_DEV_STATS(r2, 0xc4089434, &(0x7f0000000180)={0x0, 0x0, 0x1, [0x9, 0x7fff, 0x3, 0xb1d, 0x5], [0x6, 0x3fb6, 0x3, 0xffffffffffffffff, 0xfffffffffffffc01, 0x200, 0x7e, 0x6cb, 0x800, 0x1, 0x2, 0x4, 0x7, 0x1, 0x7, 0x1, 0x3, 0x7, 0x100000001, 0x3, 0x6, 0x80, 0x4, 0x9, 0x3, 0x1e55, 0xb8, 0x2, 0x0, 0x4, 0x100000001, 0x1, 0x13e9, 0x10000, 0x3, 0x70f2, 0xcd4, 0x5, 0xfff, 0x0, 0x73e7, 0xfffffffffffffff8, 0x4, 0xfff, 0x7ff, 0x20, 0x3b, 0x5, 0x7ff, 0x5, 0x1, 0xfffffffffffffffd, 0x8, 0x1, 0xfffffffffffffff8, 0x3d78, 0x89d, 0x2, 0x2, 0x9b3e, 0x3, 0x5, 0x5, 0x472e0fff, 0x6, 0x7, 0x1b8, 0x2, 0xfffffffffffffffa, 0x1, 0xe4, 0x40, 0x81, 0x9, 0x9, 0x1, 0x3f, 0x5, 0x7, 0x8, 0x53, 0x7, 0x100, 0x7, 0x7fffffff, 0x7f, 0x7, 0x1, 0x1, 0x8, 0x7f, 0x5, 0x6, 0x4, 0x6, 0xad, 0x4, 0x9, 0x1ef2, 0x10001, 0x90, 0x4, 0x8001, 0xffff, 0x6, 0x98, 0x8, 0x29b, 0x7, 0xfffffffffffffffe, 0x0, 0x401, 0x5, 0xffffffffffffff81, 0x4, 0x5cf9, 0x9, 0x1fc0000000, 0x5c8, 0x5, 0x5]}) r3 = openat$dlm_control(0xffffffffffffff9c, &(0x7f0000000000)='/dev/dlm-control\x00', 0x0, 0x0) ioctl$SNDRV_PCM_IOCTL_XRUN(r3, 0x4148, 0x0) ioctl$NBD_SET_SOCK(0xffffffffffffffff, 0xab00, r1) r4 = syz_open_dev$ndb(&(0x7f0000000140)='/dev/nbd#\x00', 0x0, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab03, 0xffffffffffffffff) ioctl$NBD_SET_SIZE_BLOCKS(r4, 0xab07, 0x5) [ 2016.899001] ? setup_fault_attr+0x200/0x200 [ 2016.903372] ? lock_acquire+0x170/0x3c0 [ 2016.907400] __should_failslab+0x115/0x180 [ 2016.911657] should_failslab+0x5/0x10 [ 2016.915491] kmem_cache_alloc_trace+0x284/0x380 [ 2016.920179] apply_wqattrs_prepare+0x1c4/0xa50 [ 2016.924794] apply_workqueue_attrs_locked+0xc5/0x120 [ 2016.929973] __alloc_workqueue_key+0x9c4/0xed0 [ 2016.934603] ? workqueue_sysfs_register+0x3e0/0x3e0 [ 2016.939635] ? __save_stack_trace+0x72/0x190 [ 2016.944062] ? nbd_ioctl+0x151/0xbe0 22:53:59 executing program 4 (fault-call:0 fault-nth:1): openat$snapshot(0xffffffffffffff9c, &(0x7f0000000040)='/dev/snapshot\x00', 0x40181, 0x0) [ 2016.947791] ? __mutex_add_waiter+0x160/0x160 [ 2016.952302] ? apparmor_sb_mount+0x970/0x970 [ 2016.956725] nbd_start_device+0x183/0xd60 [ 2016.960971] ? security_capable+0x8f/0xc0 [ 2016.965315] nbd_ioctl+0x62c/0xbe0 [ 2016.968871] ? _copy_from_user+0xd2/0x130 [ 2016.973033] ? nbd_disconnect_and_put+0x190/0x190 [ 2016.977919] ? __lock_acquire+0x6de/0x3ff0 [ 2016.982182] ? nbd_disconnect_and_put+0x190/0x190 [ 2016.987042] blkdev_ioctl+0x5cb/0x1a80 [ 2016.990946] ? blkpg_ioctl+0x9d0/0x9d0 [ 2016.994851] ? get_pid_task+0xf4/0x190 [ 2016.998752] ? mark_held_locks+0xf0/0xf0 [ 2017.002825] ? proc_fail_nth_write+0x95/0x1d0 [ 2017.007436] ? proc_tgid_io_accounting+0x7f0/0x7f0 [ 2017.012413] block_ioctl+0xe9/0x130 [ 2017.016051] ? blkdev_fallocate+0x3f0/0x3f0 [ 2017.020393] do_vfs_ioctl+0xcdb/0x12e0 [ 2017.024295] ? lock_downgrade+0x720/0x720 [ 2017.028456] ? check_preemption_disabled+0x41/0x280 [ 2017.033481] ? ioctl_preallocate+0x200/0x200 [ 2017.037909] ? __fget+0x356/0x510 [ 2017.041396] ? do_dup2+0x450/0x450 [ 2017.044945] ? vfs_write+0x393/0x540 [ 2017.048672] ? fput+0x2b/0x190 [ 2017.051884] ksys_ioctl+0x9b/0xc0 [ 2017.055352] __x64_sys_ioctl+0x6f/0xb0 [ 2017.059256] ? lockdep_hardirqs_on+0x3a8/0x5c0 [ 2017.063855] do_syscall_64+0xf9/0x620 [ 2017.067670] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 2017.072865] RIP: 0033:0x465b09 [ 2017.076101] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 bc ff ff ff f7 d8 64 89 01 48 [ 2017.095051] RSP: 002b:00007f3b29952188 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 2017.102794] RAX: ffffffffffffffda RBX: 000000000056bf60 RCX: 0000000000465b09 [ 2017.110166] RDX: ffffffffffffffff RSI: 000000000000ab03 RDI: 0000000000000003 [ 2017.117639] RBP: 00007f3b299521d0 R08: 0000000000000000 R09: 0000000000000000 [ 2017.124918] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001 [ 2017.132199] R13: 00007ffd432889ef R14: 00007f3b29952300 R15: 0000000000022000 [ 2017.146470] FAULT_INJECTION: forcing a failure. [ 2017.146470] name fail_page_alloc, interval 1, probability 0, space 0, times 0 [ 2017.158310] CPU: 1 PID: 10159 Comm: syz-executor.4 Not tainted 4.19.172-syzkaller #0 [ 2017.162649] block nbd0: Could not allocate knbd recv work queue. [ 2017.166195] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 2017.166203] Call Trace: [ 2017.166230] dump_stack+0x1fc/0x2ef [ 2017.166252] should_fail.cold+0xa/0xf [ 2017.166278] ? setup_fault_attr+0x200/0x200 [ 2017.186278] block nbd0: shutting down sockets [ 2017.188855] ? _parse_integer+0x132/0x180 [ 2017.188875] ? mark_held_locks+0xf0/0xf0 [ 2017.188897] __alloc_pages_nodemask+0x239/0x2890 [ 2017.188912] ? __might_fault+0x192/0x1d0 [ 2017.188924] ? _copy_from_user+0xd2/0x130 [ 2017.188942] ? __lock_acquire+0x6de/0x3ff0 [ 2017.188959] ? lock_downgrade+0x720/0x720 [ 2017.188974] ? gfp_pfmemalloc_allowed+0x150/0x150 [ 2017.188987] ? check_preemption_disabled+0x41/0x280 [ 2017.189010] ? proc_fail_nth_write+0x95/0x1d0 [ 2017.189027] ? proc_tgid_io_accounting+0x7f0/0x7f0 [ 2017.252011] cache_grow_begin+0xa4/0x8a0 [ 2017.256086] ? setup_fault_attr+0x200/0x200 [ 2017.260419] ? cache_alloc_pfmemalloc+0x1e/0x140 [ 2017.265189] cache_alloc_refill+0x273/0x340 [ 2017.269614] kmem_cache_alloc+0x346/0x370 [ 2017.273804] getname_flags+0xce/0x590 [ 2017.277893] do_sys_open+0x26c/0x520 [ 2017.281615] ? filp_open+0x70/0x70 [ 2017.285167] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 2017.290545] ? trace_hardirqs_off_caller+0x6e/0x210 [ 2017.295571] ? do_syscall_64+0x21/0x620 [ 2017.299560] do_syscall_64+0xf9/0x620 [ 2017.303643] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 2017.308843] RIP: 0033:0x465b09 [ 2017.312093] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 bc ff ff ff f7 d8 64 89 01 48 [ 2017.331281] RSP: 002b:00007fdf3d69b188 EFLAGS: 00000246 ORIG_RAX: 0000000000000101 [ 2017.339017] RAX: ffffffffffffffda RBX: 000000000056bf60 RCX: 0000000000465b09 22:53:59 executing program 1: r0 = syz_open_dev$ndb(&(0x7f0000000000)='/dev/nbd#\x00', 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x13e) ioctl$NBD_SET_SOCK(r0, 0x2, 0xffffffffffffffff) 22:53:59 executing program 5: r0 = syz_open_dev$ndb(&(0x7f0000000000)='/dev/nbd#\x00', 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff, 0xffffffffffffffff}) ioctl$BTRFS_IOC_GET_DEV_STATS(r2, 0xc4089434, &(0x7f0000000180)={0x0, 0x0, 0x1, [0x9, 0x7fff, 0x3, 0xb1d, 0x5], [0x6, 0x3fb6, 0x3, 0xffffffffffffffff, 0xfffffffffffffc01, 0x200, 0x7e, 0x6cb, 0x800, 0x1, 0x2, 0x4, 0x7, 0x1, 0x7, 0x1, 0x3, 0x7, 0x100000001, 0x3, 0x6, 0x80, 0x4, 0x9, 0x3, 0x1e55, 0xb8, 0x2, 0x0, 0x4, 0x100000001, 0x1, 0x13e9, 0x10000, 0x3, 0x70f2, 0xcd4, 0x5, 0xfff, 0x0, 0x73e7, 0xfffffffffffffff8, 0x4, 0xfff, 0x7ff, 0x20, 0x3b, 0x5, 0x7ff, 0x5, 0x1, 0xfffffffffffffffd, 0x8, 0x1, 0xfffffffffffffff8, 0x3d78, 0x89d, 0x2, 0x2, 0x9b3e, 0x3, 0x5, 0x5, 0x472e0fff, 0x6, 0x7, 0x1b8, 0x2, 0xfffffffffffffffa, 0x1, 0xe4, 0x40, 0x81, 0x9, 0x9, 0x1, 0x3f, 0x5, 0x7, 0x8, 0x53, 0x7, 0x100, 0x7, 0x7fffffff, 0x7f, 0x7, 0x1, 0x1, 0x8, 0x7f, 0x5, 0x6, 0x4, 0x6, 0xad, 0x4, 0x9, 0x1ef2, 0x10001, 0x90, 0x4, 0x8001, 0xffff, 0x6, 0x98, 0x8, 0x29b, 0x7, 0xfffffffffffffffe, 0x0, 0x401, 0x5, 0xffffffffffffff81, 0x4, 0x5cf9, 0x9, 0x1fc0000000, 0x5c8, 0x5, 0x5]}) r3 = openat$dlm_control(0xffffffffffffff9c, &(0x7f0000000000)='/dev/dlm-control\x00', 0x0, 0x0) ioctl$SNDRV_PCM_IOCTL_XRUN(r3, 0x4148, 0x0) ioctl$NBD_SET_SOCK(0xffffffffffffffff, 0xab00, r1) r4 = syz_open_dev$ndb(&(0x7f0000000140)='/dev/nbd#\x00', 0x0, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab03, 0xffffffffffffffff) ioctl$NBD_SET_SIZE_BLOCKS(r4, 0xab07, 0x5) 22:53:59 executing program 3 (fault-call:0 fault-nth:3): openat$snapshot(0xffffffffffffff9c, &(0x7f0000000000)='/dev/snapshot\x00', 0x0, 0x0) ioctl$SNDCTL_TMR_METRONOME(0xffffffffffffffff, 0x40045407) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)) r0 = openat$sequencer(0xffffffffffffff9c, &(0x7f0000000140)='/dev/sequencer\x00', 0x2, 0x0) ioctl$SNDCTL_SEQ_PANIC(r0, 0x5111) ioctl$SNDCTL_SEQ_RESET(r0, 0x5100) 22:53:59 executing program 0 (fault-call:4 fault-nth:5): r0 = syz_open_dev$ndb(&(0x7f0000000000)='/dev/nbd#\x00', 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x13e) ioctl$NBD_SET_SOCK(r0, 0xab03, 0xffffffffffffffff) [ 2017.346329] RDX: 0000000000040181 RSI: 0000000020000040 RDI: ffffffffffffff9c [ 2017.353611] RBP: 00007fdf3d69b1d0 R08: 0000000000000000 R09: 0000000000000000 [ 2017.361073] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001 [ 2017.368613] R13: 00007ffde5f966bf R14: 00007fdf3d69b300 R15: 0000000000022000 22:53:59 executing program 2: r0 = syz_open_dev$ndb(&(0x7f0000000000)='/dev/nbd#\x00', 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x13e) r2 = syz_open_dev$ndb(&(0x7f0000000140)='/dev/nbd#\x00', 0x0, 0x0) ioctl$NBD_CLEAR_SOCK(r2, 0xab04) ioctl$NBD_SET_SOCK(r0, 0x2, 0xffffffffffffffff) [ 2017.474732] FAULT_INJECTION: forcing a failure. [ 2017.474732] name failslab, interval 1, probability 0, space 0, times 0 [ 2017.491806] block nbd1: shutting down sockets [ 2017.523613] block nbd1: shutting down sockets [ 2017.529037] CPU: 0 PID: 10176 Comm: syz-executor.0 Not tainted 4.19.172-syzkaller #0 [ 2017.537842] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 2017.547220] Call Trace: [ 2017.549820] dump_stack+0x1fc/0x2ef [ 2017.553586] block nbd2: shutting down sockets [ 2017.553663] should_fail.cold+0xa/0xf [ 2017.560189] block nbd2: shutting down sockets [ 2017.561993] ? setup_fault_attr+0x200/0x200 [ 2017.562010] ? lock_acquire+0x170/0x3c0 [ 2017.562030] __should_failslab+0x115/0x180 [ 2017.579065] should_failslab+0x5/0x10 [ 2017.582873] kmem_cache_alloc_node+0x245/0x3b0 [ 2017.587471] alloc_unbound_pwq+0x4a4/0xc10 [ 2017.591729] apply_wqattrs_prepare+0x3c0/0xa50 [ 2017.596422] apply_workqueue_attrs_locked+0xc5/0x120 [ 2017.601661] __alloc_workqueue_key+0x9c4/0xed0 [ 2017.606273] ? workqueue_sysfs_register+0x3e0/0x3e0 [ 2017.611305] ? __save_stack_trace+0x72/0x190 [ 2017.615735] ? nbd_ioctl+0x151/0xbe0 [ 2017.619576] ? __mutex_add_waiter+0x160/0x160 [ 2017.624433] ? apparmor_sb_mount+0x970/0x970 [ 2017.628858] nbd_start_device+0x183/0xd60 [ 2017.633045] ? security_capable+0x8f/0xc0 [ 2017.637220] nbd_ioctl+0x62c/0xbe0 [ 2017.640778] ? _copy_from_user+0xd2/0x130 [ 2017.644934] ? nbd_disconnect_and_put+0x190/0x190 [ 2017.649829] ? __lock_acquire+0x6de/0x3ff0 [ 2017.654079] ? nbd_disconnect_and_put+0x190/0x190 [ 2017.659161] blkdev_ioctl+0x5cb/0x1a80 [ 2017.663086] ? blkpg_ioctl+0x9d0/0x9d0 [ 2017.667017] ? get_pid_task+0xf4/0x190 [ 2017.671551] ? mark_held_locks+0xf0/0xf0 [ 2017.675647] ? proc_fail_nth_write+0x95/0x1d0 [ 2017.680155] ? proc_tgid_io_accounting+0x7f0/0x7f0 [ 2017.685110] block_ioctl+0xe9/0x130 [ 2017.689207] ? blkdev_fallocate+0x3f0/0x3f0 [ 2017.693542] do_vfs_ioctl+0xcdb/0x12e0 [ 2017.697458] ? lock_downgrade+0x720/0x720 [ 2017.701700] ? check_preemption_disabled+0x41/0x280 [ 2017.701708] block nbd1: shutting down sockets [ 2017.706848] ? ioctl_preallocate+0x200/0x200 [ 2017.712501] block nbd1: shutting down sockets [ 2017.716096] ? __fget+0x356/0x510 22:54:00 executing program 1: r0 = syz_open_dev$ndb(&(0x7f0000000000)='/dev/nbd#\x00', 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x13e) ioctl$NBD_SET_SOCK(r0, 0x301, 0xffffffffffffffff) 22:54:00 executing program 3: openat$snapshot(0xffffffffffffff9c, &(0x7f0000000000)='/dev/snapshot\x00', 0x0, 0x0) ioctl$SNDCTL_TMR_METRONOME(0xffffffffffffffff, 0x40045407) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)) r0 = openat$sequencer(0xffffffffffffff9c, &(0x7f0000000140)='/dev/sequencer\x00', 0x2, 0x0) ioctl$SNDCTL_SEQ_PANIC(r0, 0x5111) ioctl$SNDCTL_SEQ_RESET(r0, 0x5100) 22:54:00 executing program 1: r0 = syz_open_dev$ndb(&(0x7f0000000000)='/dev/nbd#\x00', 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x13e) ioctl$NBD_SET_SOCK(r0, 0x125d, 0xffffffffffffffff) [ 2017.716115] ? do_dup2+0x450/0x450 [ 2017.716128] ? vfs_write+0x393/0x540 [ 2017.716145] ? fput+0x2b/0x190 [ 2017.735023] ksys_ioctl+0x9b/0xc0 [ 2017.738525] __x64_sys_ioctl+0x6f/0xb0 [ 2017.742428] ? lockdep_hardirqs_on+0x3a8/0x5c0 [ 2017.747048] do_syscall_64+0xf9/0x620 [ 2017.750868] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 2017.756108] RIP: 0033:0x465b09 [ 2017.759311] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 bc ff ff ff f7 d8 64 89 01 48 [ 2017.780648] RSP: 002b:00007f3b29952188 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 2017.788661] RAX: ffffffffffffffda RBX: 000000000056bf60 RCX: 0000000000465b09 [ 2017.796397] RDX: ffffffffffffffff RSI: 000000000000ab03 RDI: 0000000000000003 [ 2017.802580] block nbd1: shutting down sockets [ 2017.803804] RBP: 00007f3b299521d0 R08: 0000000000000000 R09: 0000000000000000 [ 2017.803813] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001 22:54:00 executing program 5: r0 = syz_open_dev$ndb(&(0x7f0000000000)='/dev/nbd#\x00', 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff, 0xffffffffffffffff}) ioctl$BTRFS_IOC_GET_DEV_STATS(r2, 0xc4089434, &(0x7f0000000180)={0x0, 0x0, 0x1, [0x9, 0x7fff, 0x3, 0xb1d, 0x5], [0x6, 0x3fb6, 0x3, 0xffffffffffffffff, 0xfffffffffffffc01, 0x200, 0x7e, 0x6cb, 0x800, 0x1, 0x2, 0x4, 0x7, 0x1, 0x7, 0x1, 0x3, 0x7, 0x100000001, 0x3, 0x6, 0x80, 0x4, 0x9, 0x3, 0x1e55, 0xb8, 0x2, 0x0, 0x4, 0x100000001, 0x1, 0x13e9, 0x10000, 0x3, 0x70f2, 0xcd4, 0x5, 0xfff, 0x0, 0x73e7, 0xfffffffffffffff8, 0x4, 0xfff, 0x7ff, 0x20, 0x3b, 0x5, 0x7ff, 0x5, 0x1, 0xfffffffffffffffd, 0x8, 0x1, 0xfffffffffffffff8, 0x3d78, 0x89d, 0x2, 0x2, 0x9b3e, 0x3, 0x5, 0x5, 0x472e0fff, 0x6, 0x7, 0x1b8, 0x2, 0xfffffffffffffffa, 0x1, 0xe4, 0x40, 0x81, 0x9, 0x9, 0x1, 0x3f, 0x5, 0x7, 0x8, 0x53, 0x7, 0x100, 0x7, 0x7fffffff, 0x7f, 0x7, 0x1, 0x1, 0x8, 0x7f, 0x5, 0x6, 0x4, 0x6, 0xad, 0x4, 0x9, 0x1ef2, 0x10001, 0x90, 0x4, 0x8001, 0xffff, 0x6, 0x98, 0x8, 0x29b, 0x7, 0xfffffffffffffffe, 0x0, 0x401, 0x5, 0xffffffffffffff81, 0x4, 0x5cf9, 0x9, 0x1fc0000000, 0x5c8, 0x5, 0x5]}) openat$dlm_control(0xffffffffffffff9c, &(0x7f0000000000)='/dev/dlm-control\x00', 0x0, 0x0) r3 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x48100) ioctl$NBD_SET_SOCK(r3, 0xab00, r1) r4 = syz_open_dev$ndb(&(0x7f0000000140)='/dev/nbd#\x00', 0x0, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab03, 0xffffffffffffffff) ioctl$NBD_SET_SIZE_BLOCKS(r4, 0xab07, 0x5) 22:54:00 executing program 2: r0 = syz_open_dev$ndb(&(0x7f0000000000)='/dev/nbd#\x00', 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x13e) r2 = syz_open_dev$ndb(&(0x7f0000000140)='/dev/nbd#\x00', 0x0, 0x0) ioctl$NBD_CLEAR_SOCK(r2, 0xab04) ioctl$NBD_SET_SOCK(r0, 0x301, 0xffffffffffffffff) 22:54:00 executing program 4 (fault-call:0 fault-nth:2): openat$snapshot(0xffffffffffffff9c, &(0x7f0000000040)='/dev/snapshot\x00', 0x40181, 0x0) [ 2017.803822] R13: 00007ffd432889ef R14: 00007f3b29952300 R15: 0000000000022000 22:54:00 executing program 3: openat$snapshot(0xffffffffffffff9c, &(0x7f0000000000)='/dev/snapshot\x00', 0x2, 0x0) ioctl$SNDCTL_TMR_METRONOME(0xffffffffffffffff, 0x40045407) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)) r0 = openat$sequencer(0xffffffffffffff9c, &(0x7f0000000140)='/dev/sequencer\x00', 0x2, 0x0) ioctl$SNDCTL_SEQ_PANIC(r0, 0x5111) ioctl$SNDCTL_SEQ_RESET(r0, 0x5100) [ 2017.866621] block nbd2: shutting down sockets 22:54:00 executing program 3: openat$snapshot(0xffffffffffffff9c, &(0x7f0000000000)='/dev/snapshot\x00', 0x3, 0x0) ioctl$SNDCTL_TMR_METRONOME(0xffffffffffffffff, 0x40045407) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)) r0 = openat$sequencer(0xffffffffffffff9c, &(0x7f0000000140)='/dev/sequencer\x00', 0x2, 0x0) ioctl$SNDCTL_SEQ_PANIC(r0, 0x5111) ioctl$SNDCTL_SEQ_RESET(r0, 0x5100) 22:54:00 executing program 2: r0 = syz_open_dev$ndb(&(0x7f0000000000)='/dev/nbd#\x00', 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x13e) r2 = syz_open_dev$ndb(&(0x7f0000000140)='/dev/nbd#\x00', 0x0, 0x0) ioctl$NBD_CLEAR_SOCK(r2, 0xab04) ioctl$NBD_SET_SOCK(r0, 0x125d, 0xffffffffffffffff) [ 2017.895765] block nbd2: shutting down sockets [ 2017.909852] block nbd1: shutting down sockets 22:54:00 executing program 1: r0 = syz_open_dev$ndb(&(0x7f0000000000)='/dev/nbd#\x00', 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x13e) ioctl$NBD_SET_SOCK(r0, 0x125e, 0xffffffffffffffff) [ 2017.964411] block nbd0: Could not allocate knbd recv work queue. [ 2017.973067] FAULT_INJECTION: forcing a failure. [ 2017.973067] name failslab, interval 1, probability 0, space 0, times 0 [ 2017.988939] block nbd0: shutting down sockets 22:54:00 executing program 0 (fault-call:4 fault-nth:6): r0 = syz_open_dev$ndb(&(0x7f0000000000)='/dev/nbd#\x00', 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x13e) ioctl$NBD_SET_SOCK(r0, 0xab03, 0xffffffffffffffff) [ 2018.031149] block nbd2: shutting down sockets [ 2018.045568] CPU: 0 PID: 10213 Comm: syz-executor.4 Not tainted 4.19.172-syzkaller #0 [ 2018.057326] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 2018.065546] block nbd2: shutting down sockets [ 2018.066781] Call Trace: [ 2018.066807] dump_stack+0x1fc/0x2ef [ 2018.066825] should_fail.cold+0xa/0xf [ 2018.066846] ? setup_fault_attr+0x200/0x200 [ 2018.085869] ? lock_acquire+0x170/0x3c0 [ 2018.089889] __should_failslab+0x115/0x180 [ 2018.094140] should_failslab+0x5/0x10 [ 2018.097956] kmem_cache_alloc+0x277/0x370 [ 2018.102165] __alloc_file+0x21/0x330 [ 2018.105927] alloc_empty_file+0x6d/0x170 [ 2018.110032] path_openat+0xe9/0x2df0 [ 2018.113903] ? __lock_acquire+0x6de/0x3ff0 [ 2018.116501] FAULT_INJECTION: forcing a failure. [ 2018.116501] name failslab, interval 1, probability 0, space 0, times 0 22:54:00 executing program 2: r0 = syz_open_dev$ndb(&(0x7f0000000000)='/dev/nbd#\x00', 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x13e) r2 = syz_open_dev$ndb(&(0x7f0000000140)='/dev/nbd#\x00', 0x0, 0x0) ioctl$NBD_CLEAR_SOCK(r2, 0xab04) ioctl$NBD_SET_SOCK(r0, 0x125e, 0xffffffffffffffff) [ 2018.118179] ? check_preemption_disabled+0x41/0x280 [ 2018.118199] ? path_lookupat+0x8d0/0x8d0 [ 2018.118219] ? mark_held_locks+0xf0/0xf0 [ 2018.118234] ? proc_fail_nth_write+0x95/0x1d0 [ 2018.118264] do_filp_open+0x18c/0x3f0 [ 2018.151294] ? may_open_dev+0xf0/0xf0 [ 2018.155115] ? __alloc_fd+0x28d/0x570 [ 2018.158942] ? lock_downgrade+0x720/0x720 [ 2018.163105] ? lock_acquire+0x170/0x3c0 [ 2018.167300] ? __alloc_fd+0x34/0x570 [ 2018.171031] ? do_raw_spin_unlock+0x171/0x230 [ 2018.175545] ? _raw_spin_unlock+0x29/0x40 [ 2018.175727] block nbd2: shutting down sockets [ 2018.179792] ? __alloc_fd+0x28d/0x570 [ 2018.179817] do_sys_open+0x3b3/0x520 [ 2018.179834] ? filp_open+0x70/0x70 [ 2018.179852] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 2018.179867] ? trace_hardirqs_off_caller+0x6e/0x210 [ 2018.179882] ? do_syscall_64+0x21/0x620 [ 2018.179899] do_syscall_64+0xf9/0x620 [ 2018.206076] block nbd2: shutting down sockets [ 2018.207076] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 2018.207090] RIP: 0033:0x465b09 22:54:00 executing program 2: r0 = syz_open_dev$ndb(&(0x7f0000000000)='/dev/nbd#\x00', 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x13e) r2 = syz_open_dev$ndb(&(0x7f0000000140)='/dev/nbd#\x00', 0x0, 0x0) ioctl$NBD_CLEAR_SOCK(r2, 0xab04) ioctl$NBD_SET_SOCK(r0, 0x125f, 0xffffffffffffffff) [ 2018.207105] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 bc ff ff ff f7 d8 64 89 01 48 [ 2018.207113] RSP: 002b:00007fdf3d69b188 EFLAGS: 00000246 ORIG_RAX: 0000000000000101 [ 2018.207127] RAX: ffffffffffffffda RBX: 000000000056bf60 RCX: 0000000000465b09 [ 2018.207141] RDX: 0000000000040181 RSI: 0000000020000040 RDI: ffffffffffffff9c [ 2018.270289] RBP: 00007fdf3d69b1d0 R08: 0000000000000000 R09: 0000000000000000 [ 2018.277576] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001 [ 2018.285236] R13: 00007ffde5f966bf R14: 00007fdf3d69b300 R15: 0000000000022000 [ 2018.294627] CPU: 1 PID: 10225 Comm: syz-executor.0 Not tainted 4.19.172-syzkaller #0 [ 2018.302564] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 2018.311958] Call Trace: [ 2018.314585] dump_stack+0x1fc/0x2ef [ 2018.318231] should_fail.cold+0xa/0xf [ 2018.322144] ? setup_fault_attr+0x200/0x200 [ 2018.326584] ? lock_acquire+0x170/0x3c0 [ 2018.330582] __should_failslab+0x115/0x180 [ 2018.334844] should_failslab+0x5/0x10 [ 2018.339117] kmem_cache_alloc_node_trace+0x244/0x3b0 [ 2018.344298] init_rescuer+0xa1/0x370 [ 2018.348036] __alloc_workqueue_key+0xb56/0xed0 [ 2018.348060] ? workqueue_sysfs_register+0x3e0/0x3e0 [ 2018.348071] ? __save_stack_trace+0x72/0x190 [ 2018.348087] ? nbd_ioctl+0x151/0xbe0 [ 2018.348102] ? __mutex_add_waiter+0x160/0x160 [ 2018.348117] ? apparmor_sb_mount+0x970/0x970 [ 2018.348136] nbd_start_device+0x183/0xd60 [ 2018.348151] ? security_capable+0x8f/0xc0 [ 2018.348169] nbd_ioctl+0x62c/0xbe0 [ 2018.366475] ? _copy_from_user+0xd2/0x130 [ 2018.393418] ? nbd_disconnect_and_put+0x190/0x190 [ 2018.398312] ? __lock_acquire+0x6de/0x3ff0 [ 2018.402562] ? nbd_disconnect_and_put+0x190/0x190 [ 2018.407425] blkdev_ioctl+0x5cb/0x1a80 [ 2018.411415] ? blkpg_ioctl+0x9d0/0x9d0 [ 2018.415378] ? get_pid_task+0xf4/0x190 [ 2018.422235] ? mark_held_locks+0xf0/0xf0 [ 2018.426404] ? proc_fail_nth_write+0x95/0x1d0 [ 2018.430912] ? proc_tgid_io_accounting+0x7f0/0x7f0 [ 2018.435902] block_ioctl+0xe9/0x130 [ 2018.439568] ? blkdev_fallocate+0x3f0/0x3f0 [ 2018.443903] do_vfs_ioctl+0xcdb/0x12e0 [ 2018.447836] ? lock_downgrade+0x720/0x720 [ 2018.451997] ? check_preemption_disabled+0x41/0x280 [ 2018.457875] ? ioctl_preallocate+0x200/0x200 [ 2018.462617] ? __fget+0x356/0x510 [ 2018.466086] ? do_dup2+0x450/0x450 [ 2018.469676] ? vfs_write+0x393/0x540 [ 2018.473512] ? fput+0x2b/0x190 [ 2018.476722] ksys_ioctl+0x9b/0xc0 22:54:01 executing program 3: openat$snapshot(0xffffffffffffff9c, &(0x7f0000000000)='/dev/snapshot\x00', 0x4, 0x0) ioctl$SNDCTL_TMR_METRONOME(0xffffffffffffffff, 0x40045407) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)) r0 = openat$sequencer(0xffffffffffffff9c, &(0x7f0000000140)='/dev/sequencer\x00', 0x2, 0x0) ioctl$SNDCTL_SEQ_PANIC(r0, 0x5111) ioctl$SNDCTL_SEQ_RESET(r0, 0x5100) [ 2018.480295] __x64_sys_ioctl+0x6f/0xb0 [ 2018.482974] block nbd2: shutting down sockets [ 2018.484188] ? lockdep_hardirqs_on+0x3a8/0x5c0 [ 2018.484205] do_syscall_64+0xf9/0x620 [ 2018.484222] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 2018.484239] RIP: 0033:0x465b09 [ 2018.505588] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 bc ff ff ff f7 d8 64 89 01 48 [ 2018.524500] RSP: 002b:00007f3b29952188 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 22:54:01 executing program 1: r0 = syz_open_dev$ndb(&(0x7f0000000000)='/dev/nbd#\x00', 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x13e) ioctl$NBD_SET_SOCK(r0, 0x125f, 0xffffffffffffffff) [ 2018.532571] RAX: ffffffffffffffda RBX: 000000000056bf60 RCX: 0000000000465b09 [ 2018.541414] RDX: ffffffffffffffff RSI: 000000000000ab03 RDI: 0000000000000003 [ 2018.548785] RBP: 00007f3b299521d0 R08: 0000000000000000 R09: 0000000000000000 [ 2018.549853] block nbd2: shutting down sockets [ 2018.556081] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001 [ 2018.556090] R13: 00007ffd432889ef R14: 00007f3b29952300 R15: 0000000000022000 [ 2018.647774] block nbd1: shutting down sockets [ 2018.671309] block nbd1: shutting down sockets [ 2018.688567] block nbd5: Receive control failed (result -104) [ 2018.695132] block nbd0: Could not allocate knbd recv work queue. [ 2018.713197] block nbd0: shutting down sockets [ 2024.348274] block nbd5: Connection timed out [ 2024.352905] block nbd5: shutting down sockets [ 2024.358672] print_req_error: 306 callbacks suppressed [ 2024.358681] print_req_error: I/O error, dev nbd5, sector 0 [ 2024.369586] buffer_io_error: 310 callbacks suppressed [ 2024.369595] Buffer I/O error on dev nbd5, logical block 0, async page read [ 2024.382080] block nbd5: Connection timed out [ 2024.386514] print_req_error: I/O error, dev nbd5, sector 2 [ 2024.392303] Buffer I/O error on dev nbd5, logical block 1, async page read [ 2024.399493] block nbd5: Connection timed out [ 2024.403930] print_req_error: I/O error, dev nbd5, sector 4 [ 2024.409648] Buffer I/O error on dev nbd5, logical block 2, async page read [ 2024.418274] block nbd5: Connection timed out [ 2024.422690] print_req_error: I/O error, dev nbd5, sector 6 [ 2024.428490] Buffer I/O error on dev nbd5, logical block 3, async page read [ 2024.435682] print_req_error: I/O error, dev nbd5, sector 0 [ 2024.441570] Buffer I/O error on dev nbd5, logical block 0, async page read [ 2024.448760] print_req_error: I/O error, dev nbd5, sector 2 [ 2024.454395] Buffer I/O error on dev nbd5, logical block 1, async page read [ 2024.461546] Buffer I/O error on dev nbd5, logical block 2, async page read [ 2024.469368] Buffer I/O error on dev nbd5, logical block 3, async page read [ 2024.476557] print_req_error: I/O error, dev nbd5, sector 0 [ 2024.487128] Buffer I/O error on dev nbd5, logical block 0, async page read [ 2024.494392] print_req_error: I/O error, dev nbd5, sector 2 [ 2024.500289] Buffer I/O error on dev nbd5, logical block 1, async page read [ 2024.507532] print_req_error: I/O error, dev nbd5, sector 0 [ 2024.514136] print_req_error: I/O error, dev nbd5, sector 2 [ 2024.521257] ldm_validate_partition_table(): Disk read failed. [ 2024.529087] Dev nbd5: unable to read RDB block 0 [ 2024.534681] nbd5: unable to read partition table [ 2024.540645] nbd5: partition table beyond EOD, truncated 22:54:07 executing program 5: r0 = syz_open_dev$ndb(&(0x7f0000000000)='/dev/nbd#\x00', 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff, 0xffffffffffffffff}) ioctl$BTRFS_IOC_GET_DEV_STATS(r2, 0xc4089434, &(0x7f0000000180)={0x0, 0x0, 0x1, [0x9, 0x7fff, 0x3, 0xb1d, 0x5], [0x6, 0x3fb6, 0x3, 0xffffffffffffffff, 0xfffffffffffffc01, 0x200, 0x7e, 0x6cb, 0x800, 0x1, 0x2, 0x4, 0x7, 0x1, 0x7, 0x1, 0x3, 0x7, 0x100000001, 0x3, 0x6, 0x80, 0x4, 0x9, 0x3, 0x1e55, 0xb8, 0x2, 0x0, 0x4, 0x100000001, 0x1, 0x13e9, 0x10000, 0x3, 0x70f2, 0xcd4, 0x5, 0xfff, 0x0, 0x73e7, 0xfffffffffffffff8, 0x4, 0xfff, 0x7ff, 0x20, 0x3b, 0x5, 0x7ff, 0x5, 0x1, 0xfffffffffffffffd, 0x8, 0x1, 0xfffffffffffffff8, 0x3d78, 0x89d, 0x2, 0x2, 0x9b3e, 0x3, 0x5, 0x5, 0x472e0fff, 0x6, 0x7, 0x1b8, 0x2, 0xfffffffffffffffa, 0x1, 0xe4, 0x40, 0x81, 0x9, 0x9, 0x1, 0x3f, 0x5, 0x7, 0x8, 0x53, 0x7, 0x100, 0x7, 0x7fffffff, 0x7f, 0x7, 0x1, 0x1, 0x8, 0x7f, 0x5, 0x6, 0x4, 0x6, 0xad, 0x4, 0x9, 0x1ef2, 0x10001, 0x90, 0x4, 0x8001, 0xffff, 0x6, 0x98, 0x8, 0x29b, 0x7, 0xfffffffffffffffe, 0x0, 0x401, 0x5, 0xffffffffffffff81, 0x4, 0x5cf9, 0x9, 0x1fc0000000, 0x5c8, 0x5, 0x5]}) r3 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x48100) ioctl$NBD_SET_SOCK(r3, 0xab00, r1) r4 = syz_open_dev$ndb(&(0x7f0000000140)='/dev/nbd#\x00', 0x0, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab03, 0xffffffffffffffff) ioctl$NBD_SET_SIZE_BLOCKS(r4, 0xab07, 0x5) 22:54:07 executing program 4 (fault-call:0 fault-nth:3): openat$snapshot(0xffffffffffffff9c, &(0x7f0000000040)='/dev/snapshot\x00', 0x40181, 0x0) 22:54:07 executing program 3: openat$snapshot(0xffffffffffffff9c, &(0x7f0000000000)='/dev/snapshot\x00', 0x7, 0x0) ioctl$SNDCTL_TMR_METRONOME(0xffffffffffffffff, 0x40045407) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)) r0 = openat$sequencer(0xffffffffffffff9c, &(0x7f0000000140)='/dev/sequencer\x00', 0x2, 0x0) ioctl$SNDCTL_SEQ_PANIC(r0, 0x5111) ioctl$SNDCTL_SEQ_RESET(r0, 0x5100) 22:54:07 executing program 1: r0 = syz_open_dev$ndb(&(0x7f0000000000)='/dev/nbd#\x00', 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x13e) ioctl$NBD_SET_SOCK(r0, 0x1260, 0xffffffffffffffff) 22:54:07 executing program 2: r0 = syz_open_dev$ndb(&(0x7f0000000000)='/dev/nbd#\x00', 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x13e) r2 = syz_open_dev$ndb(&(0x7f0000000140)='/dev/nbd#\x00', 0x0, 0x0) ioctl$NBD_CLEAR_SOCK(r2, 0xab04) ioctl$NBD_SET_SOCK(r0, 0x1260, 0xffffffffffffffff) 22:54:07 executing program 0 (fault-call:4 fault-nth:7): r0 = syz_open_dev$ndb(&(0x7f0000000000)='/dev/nbd#\x00', 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x13e) ioctl$NBD_SET_SOCK(r0, 0xab03, 0xffffffffffffffff) [ 2024.558973] ldm_validate_partition_table(): Disk read failed. [ 2024.566321] Dev nbd5: unable to read RDB block 0 [ 2024.575586] nbd5: unable to read partition table [ 2024.580685] nbd5: partition table beyond EOD, truncated [ 2024.655012] block nbd2: shutting down sockets [ 2024.669424] FAULT_INJECTION: forcing a failure. [ 2024.669424] name failslab, interval 1, probability 0, space 0, times 0 [ 2024.669562] block nbd1: shutting down sockets [ 2024.709830] FAULT_INJECTION: forcing a failure. [ 2024.709830] name failslab, interval 1, probability 0, space 0, times 0 [ 2024.734620] block nbd1: shutting down sockets [ 2024.752964] CPU: 0 PID: 10271 Comm: syz-executor.0 Not tainted 4.19.172-syzkaller #0 [ 2024.760889] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 2024.770247] Call Trace: [ 2024.772905] dump_stack+0x1fc/0x2ef [ 2024.776548] should_fail.cold+0xa/0xf [ 2024.780363] ? setup_fault_attr+0x200/0x200 [ 2024.784695] ? lock_acquire+0x170/0x3c0 [ 2024.788866] __should_failslab+0x115/0x180 [ 2024.788886] should_failslab+0x5/0x10 [ 2024.788901] kmem_cache_alloc_trace+0x284/0x380 [ 2024.788918] ? cancel_delayed_work+0x2c0/0x2c0 [ 2024.788932] __kthread_create_on_node+0xd2/0x410 [ 2024.788947] ? mark_held_locks+0xf0/0xf0 [ 2024.788963] ? kthread_parkme+0xa0/0xa0 [ 2024.820112] ? pwq_adjust_max_active+0x31f/0x5f0 [ 2024.824897] ? __alloc_workqueue_key+0x9d2/0xed0 [ 2024.829677] ? cancel_delayed_work+0x2c0/0x2c0 [ 2024.834280] kthread_create_on_node+0xbb/0xf0 [ 2024.838802] ? __kthread_create_on_node+0x410/0x410 [ 2024.838816] ? check_preemption_disabled+0x41/0x280 [ 2024.838831] ? init_rescuer+0xa1/0x370 [ 2024.838848] ? rcu_read_lock_sched_held+0x16c/0x1d0 22:54:07 executing program 2: r0 = syz_open_dev$ndb(&(0x7f0000000000)='/dev/nbd#\x00', 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x13e) r2 = syz_open_dev$ndb(&(0x7f0000000140)='/dev/nbd#\x00', 0x0, 0x0) ioctl$NBD_CLEAR_SOCK(r2, 0xab04) ioctl$NBD_SET_SOCK(r0, 0x1261, 0xffffffffffffffff) 22:54:07 executing program 1: r0 = syz_open_dev$ndb(&(0x7f0000000000)='/dev/nbd#\x00', 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x13e) ioctl$NBD_SET_SOCK(r0, 0x1261, 0xffffffffffffffff) [ 2024.838863] ? kmem_cache_alloc_node_trace+0x351/0x3b0 [ 2024.838884] init_rescuer+0x1f7/0x370 [ 2024.867576] __alloc_workqueue_key+0xb56/0xed0 [ 2024.872194] ? workqueue_sysfs_register+0x3e0/0x3e0 [ 2024.877220] ? __save_stack_trace+0x72/0x190 [ 2024.881640] ? nbd_ioctl+0x151/0xbe0 [ 2024.885365] ? __mutex_add_waiter+0x160/0x160 [ 2024.889902] ? apparmor_sb_mount+0x970/0x970 [ 2024.894329] nbd_start_device+0x183/0xd60 [ 2024.898836] ? security_capable+0x8f/0xc0 [ 2024.903004] nbd_ioctl+0x62c/0xbe0 [ 2024.906590] ? _copy_from_user+0xd2/0x130 [ 2024.910766] ? nbd_disconnect_and_put+0x190/0x190 [ 2024.915658] ? __lock_acquire+0x6de/0x3ff0 [ 2024.919915] ? nbd_disconnect_and_put+0x190/0x190 [ 2024.924773] blkdev_ioctl+0x5cb/0x1a80 [ 2024.928700] ? blkpg_ioctl+0x9d0/0x9d0 [ 2024.932599] ? get_pid_task+0xf4/0x190 [ 2024.936503] ? mark_held_locks+0xf0/0xf0 [ 2024.940589] ? proc_fail_nth_write+0x95/0x1d0 [ 2024.945116] ? proc_tgid_io_accounting+0x7f0/0x7f0 [ 2024.950867] block_ioctl+0xe9/0x130 [ 2024.954963] ? blkdev_fallocate+0x3f0/0x3f0 [ 2024.959297] do_vfs_ioctl+0xcdb/0x12e0 [ 2024.963205] ? lock_downgrade+0x720/0x720 [ 2024.967361] ? check_preemption_disabled+0x41/0x280 [ 2024.972385] ? ioctl_preallocate+0x200/0x200 [ 2024.976803] ? __fget+0x356/0x510 [ 2024.980270] ? do_dup2+0x450/0x450 [ 2024.983864] ? vfs_write+0x393/0x540 [ 2024.987588] ? fput+0x2b/0x190 [ 2024.990792] ksys_ioctl+0x9b/0xc0 [ 2024.994354] __x64_sys_ioctl+0x6f/0xb0 [ 2024.998419] ? lockdep_hardirqs_on+0x3a8/0x5c0 [ 2025.003028] do_syscall_64+0xf9/0x620 [ 2025.006844] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 2025.012201] RIP: 0033:0x465b09 [ 2025.015562] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 bc ff ff ff f7 d8 64 89 01 48 [ 2025.034669] RSP: 002b:00007f3b29952188 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 2025.042408] RAX: ffffffffffffffda RBX: 000000000056bf60 RCX: 0000000000465b09 [ 2025.049689] RDX: ffffffffffffffff RSI: 000000000000ab03 RDI: 0000000000000003 [ 2025.056977] RBP: 00007f3b299521d0 R08: 0000000000000000 R09: 0000000000000000 [ 2025.064248] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001 [ 2025.071524] R13: 00007ffd432889ef R14: 00007f3b29952300 R15: 0000000000022000 [ 2025.078912] CPU: 1 PID: 10269 Comm: syz-executor.4 Not tainted 4.19.172-syzkaller #0 [ 2025.083254] block nbd0: Could not allocate knbd recv work queue. [ 2025.086810] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 2025.086816] Call Trace: [ 2025.086840] dump_stack+0x1fc/0x2ef [ 2025.086857] should_fail.cold+0xa/0xf [ 2025.096792] block nbd0: shutting down sockets [ 2025.102369] ? setup_fault_attr+0x200/0x200 [ 2025.102386] ? lock_acquire+0x170/0x3c0 [ 2025.102407] __should_failslab+0x115/0x180 [ 2025.102426] should_failslab+0x5/0x10 [ 2025.133340] kmem_cache_alloc_trace+0x284/0x380 [ 2025.138469] apparmor_file_alloc_security+0x394/0xad0 [ 2025.144129] ? apparmor_file_receive+0x160/0x160 [ 2025.148917] ? __alloc_file+0x21/0x330 [ 2025.152826] security_file_alloc+0x40/0x90 [ 2025.157073] __alloc_file+0xc9/0x330 22:54:07 executing program 3: openat$snapshot(0xffffffffffffff9c, &(0x7f0000000000)='/dev/snapshot\x00', 0x300, 0x0) ioctl$SNDCTL_TMR_METRONOME(0xffffffffffffffff, 0x40045407) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)) r0 = openat$sequencer(0xffffffffffffff9c, &(0x7f0000000140)='/dev/sequencer\x00', 0x2, 0x0) ioctl$SNDCTL_SEQ_PANIC(r0, 0x5111) ioctl$SNDCTL_SEQ_RESET(r0, 0x5100) [ 2025.160835] alloc_empty_file+0x6d/0x170 [ 2025.164939] path_openat+0xe9/0x2df0 [ 2025.168693] ? __lock_acquire+0x6de/0x3ff0 [ 2025.173353] ? check_preemption_disabled+0x41/0x280 [ 2025.179185] ? path_lookupat+0x8d0/0x8d0 [ 2025.183245] ? mark_held_locks+0xf0/0xf0 [ 2025.187424] ? proc_fail_nth_write+0x95/0x1d0 [ 2025.192060] do_filp_open+0x18c/0x3f0 [ 2025.195857] ? may_open_dev+0xf0/0xf0 [ 2025.199651] ? __alloc_fd+0x28d/0x570 [ 2025.203464] ? lock_downgrade+0x720/0x720 [ 2025.207603] ? lock_acquire+0x170/0x3c0 [ 2025.211582] ? __alloc_fd+0x34/0x570 [ 2025.215642] ? do_raw_spin_unlock+0x171/0x230 [ 2025.220736] ? _raw_spin_unlock+0x29/0x40 [ 2025.224886] ? __alloc_fd+0x28d/0x570 [ 2025.228677] do_sys_open+0x3b3/0x520 [ 2025.232398] ? filp_open+0x70/0x70 [ 2025.235927] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 2025.241458] ? trace_hardirqs_off_caller+0x6e/0x210 [ 2025.246911] ? do_syscall_64+0x21/0x620 [ 2025.250983] do_syscall_64+0xf9/0x620 [ 2025.254774] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 2025.259978] RIP: 0033:0x465b09 [ 2025.263166] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 bc ff ff ff f7 d8 64 89 01 48 [ 2025.282171] RSP: 002b:00007fdf3d69b188 EFLAGS: 00000246 ORIG_RAX: 0000000000000101 [ 2025.289985] RAX: ffffffffffffffda RBX: 000000000056bf60 RCX: 0000000000465b09 [ 2025.297452] RDX: 0000000000040181 RSI: 0000000020000040 RDI: ffffffffffffff9c [ 2025.304814] RBP: 00007fdf3d69b1d0 R08: 0000000000000000 R09: 0000000000000000 22:54:07 executing program 0 (fault-call:4 fault-nth:8): r0 = syz_open_dev$ndb(&(0x7f0000000000)='/dev/nbd#\x00', 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x13e) ioctl$NBD_SET_SOCK(r0, 0xab03, 0xffffffffffffffff) [ 2025.312074] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001 [ 2025.319572] R13: 00007ffde5f966bf R14: 00007fdf3d69b300 R15: 0000000000022000 22:54:07 executing program 4 (fault-call:0 fault-nth:4): openat$snapshot(0xffffffffffffff9c, &(0x7f0000000040)='/dev/snapshot\x00', 0x40181, 0x0) [ 2025.416019] block nbd1: shutting down sockets [ 2025.423036] FAULT_INJECTION: forcing a failure. [ 2025.423036] name failslab, interval 1, probability 0, space 0, times 0 [ 2025.439899] block nbd1: shutting down sockets [ 2025.447311] block nbd2: shutting down sockets 22:54:08 executing program 3: openat$snapshot(0xffffffffffffff9c, &(0x7f0000000000)='/dev/snapshot\x00', 0x700, 0x0) ioctl$SNDCTL_TMR_METRONOME(0xffffffffffffffff, 0x40045407) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)) r0 = openat$sequencer(0xffffffffffffff9c, &(0x7f0000000140)='/dev/sequencer\x00', 0x2, 0x0) ioctl$SNDCTL_SEQ_PANIC(r0, 0x5111) ioctl$SNDCTL_SEQ_RESET(r0, 0x5100) [ 2025.466438] CPU: 1 PID: 10292 Comm: syz-executor.0 Not tainted 4.19.172-syzkaller #0 [ 2025.474485] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 2025.475181] block nbd2: shutting down sockets [ 2025.484288] Call Trace: [ 2025.484319] dump_stack+0x1fc/0x2ef [ 2025.484337] should_fail.cold+0xa/0xf [ 2025.484353] ? setup_fault_attr+0x200/0x200 [ 2025.484368] ? lock_acquire+0x170/0x3c0 [ 2025.484390] ? dev_uevent_filter+0xd0/0xd0 [ 2025.484408] __should_failslab+0x115/0x180 [ 2025.516739] should_failslab+0x5/0x10 [ 2025.520550] kmem_cache_alloc_trace+0x284/0x380 [ 2025.525240] ? dev_uevent_filter+0xd0/0xd0 [ 2025.529489] kobject_uevent_env+0x236/0x14a0 [ 2025.533935] set_disk_ro+0x1f4/0x250 [ 2025.537663] ? blk_unregister_region+0x30/0x30 [ 2025.542273] ? workqueue_sysfs_register+0x3e0/0x3e0 [ 2025.547302] ? __save_stack_trace+0x72/0x190 [ 2025.551726] ? apparmor_task_alloc+0x1c1/0x290 [ 2025.556321] nbd_start_device+0x861/0xd60 [ 2025.560482] ? security_capable+0x8f/0xc0 [ 2025.564645] nbd_ioctl+0x62c/0xbe0 [ 2025.568197] ? _copy_from_user+0xd2/0x130 [ 2025.572356] ? nbd_disconnect_and_put+0x190/0x190 [ 2025.577218] ? __lock_acquire+0x6de/0x3ff0 [ 2025.581495] ? nbd_disconnect_and_put+0x190/0x190 [ 2025.586353] blkdev_ioctl+0x5cb/0x1a80 [ 2025.590253] ? blkpg_ioctl+0x9d0/0x9d0 [ 2025.594289] ? get_pid_task+0xf4/0x190 [ 2025.598189] ? mark_held_locks+0xf0/0xf0 [ 2025.601265] FAULT_INJECTION: forcing a failure. [ 2025.601265] name failslab, interval 1, probability 0, space 0, times 0 [ 2025.602256] ? proc_fail_nth_write+0x95/0x1d0 [ 2025.602272] ? proc_tgid_io_accounting+0x7f0/0x7f0 [ 2025.602297] block_ioctl+0xe9/0x130 [ 2025.626517] ? blkdev_fallocate+0x3f0/0x3f0 [ 2025.630855] do_vfs_ioctl+0xcdb/0x12e0 [ 2025.634749] ? lock_downgrade+0x720/0x720 [ 2025.638902] ? check_preemption_disabled+0x41/0x280 [ 2025.643936] ? ioctl_preallocate+0x200/0x200 [ 2025.648348] ? __fget+0x356/0x510 [ 2025.651806] ? do_dup2+0x450/0x450 [ 2025.655347] ? vfs_write+0x393/0x540 [ 2025.659064] ? fput+0x2b/0x190 [ 2025.662293] ksys_ioctl+0x9b/0xc0 [ 2025.665771] __x64_sys_ioctl+0x6f/0xb0 [ 2025.669664] ? lockdep_hardirqs_on+0x3a8/0x5c0 [ 2025.674445] do_syscall_64+0xf9/0x620 [ 2025.678252] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 2025.683438] RIP: 0033:0x465b09 [ 2025.686630] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 bc ff ff ff f7 d8 64 89 01 48 [ 2025.706050] RSP: 002b:00007f3b29952188 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 2025.713759] RAX: ffffffffffffffda RBX: 000000000056bf60 RCX: 0000000000465b09 [ 2025.721979] RDX: ffffffffffffffff RSI: 000000000000ab03 RDI: 0000000000000003 [ 2025.729353] RBP: 00007f3b299521d0 R08: 0000000000000000 R09: 0000000000000000 [ 2025.736622] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001 [ 2025.743892] R13: 00007ffd432889ef R14: 00007f3b29952300 R15: 0000000000022000 [ 2025.751200] CPU: 0 PID: 10306 Comm: syz-executor.4 Not tainted 4.19.172-syzkaller #0 [ 2025.757418] block nbd5: shutting down sockets [ 2025.759184] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 2025.759190] Call Trace: [ 2025.759214] dump_stack+0x1fc/0x2ef [ 2025.759233] should_fail.cold+0xa/0xf [ 2025.759250] ? setup_fault_attr+0x200/0x200 [ 2025.759267] ? lock_acquire+0x170/0x3c0 [ 2025.759287] __should_failslab+0x115/0x180 [ 2025.796294] should_failslab+0x5/0x10 [ 2025.800104] kmem_cache_alloc_trace+0x284/0x380 [ 2025.804787] create_basic_memory_bitmaps+0x99/0x320 [ 2025.812275] snapshot_open+0x3c9/0x4a0 [ 2025.816176] ? snapshot_release+0x1c0/0x1c0 [ 2025.820511] ? lock_downgrade+0x720/0x720 [ 2025.824689] ? chrdev_open+0x7c/0x770 [ 2025.828494] ? snapshot_release+0x1c0/0x1c0 [ 2025.832849] misc_open+0x372/0x4a0 [ 2025.836403] ? misc_devnode+0x120/0x120 [ 2025.840389] chrdev_open+0x266/0x770 [ 2025.844113] ? lockref_get+0x11/0x50 [ 2025.847926] ? __register_chrdev+0x400/0x400 [ 2025.852350] ? check_preemption_disabled+0x41/0x280 [ 2025.857392] do_dentry_open+0x4aa/0x1160 [ 2025.861557] ? __register_chrdev+0x400/0x400 22:54:08 executing program 5: r0 = syz_open_dev$ndb(&(0x7f0000000000)='/dev/nbd#\x00', 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) r2 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x48100) ioctl$NBD_SET_SOCK(r2, 0xab00, r1) r3 = syz_open_dev$ndb(&(0x7f0000000140)='/dev/nbd#\x00', 0x0, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab03, 0xffffffffffffffff) ioctl$NBD_SET_SIZE_BLOCKS(r3, 0xab07, 0x5) 22:54:08 executing program 3: openat$snapshot(0xffffffffffffff9c, &(0x7f0000000000)='/dev/snapshot\x00', 0x1000000, 0x0) ioctl$SNDCTL_TMR_METRONOME(0xffffffffffffffff, 0x40045407) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)) r0 = openat$sequencer(0xffffffffffffff9c, &(0x7f0000000140)='/dev/sequencer\x00', 0x2, 0x0) ioctl$SNDCTL_SEQ_PANIC(r0, 0x5111) ioctl$SNDCTL_SEQ_RESET(r0, 0x5100) 22:54:08 executing program 2: r0 = syz_open_dev$ndb(&(0x7f0000000000)='/dev/nbd#\x00', 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x13e) r2 = syz_open_dev$ndb(&(0x7f0000000140)='/dev/nbd#\x00', 0x0, 0x0) ioctl$NBD_CLEAR_SOCK(r2, 0xab04) ioctl$NBD_SET_SOCK(r0, 0x1262, 0xffffffffffffffff) 22:54:08 executing program 1: r0 = syz_open_dev$ndb(&(0x7f0000000000)='/dev/nbd#\x00', 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x13e) ioctl$NBD_SET_SOCK(r0, 0x1262, 0xffffffffffffffff) [ 2025.865983] ? inode_permission.part.0+0x10c/0x450 [ 2025.870923] ? chown_common+0x550/0x550 [ 2025.874910] ? inode_owner_or_capable+0x17a/0x1e0 [ 2025.879771] path_openat+0x793/0x2df0 [ 2025.883593] ? path_lookupat+0x8d0/0x8d0 [ 2025.887669] ? mark_held_locks+0xf0/0xf0 [ 2025.891782] do_filp_open+0x18c/0x3f0 [ 2025.895605] ? may_open_dev+0xf0/0xf0 [ 2025.899444] ? lock_downgrade+0x720/0x720 [ 2025.903606] ? lock_acquire+0x170/0x3c0 [ 2025.907594] ? __alloc_fd+0x34/0x570 [ 2025.911326] ? do_raw_spin_unlock+0x171/0x230 [ 2025.915932] ? _raw_spin_unlock+0x29/0x40 [ 2025.920093] ? __alloc_fd+0x28d/0x570 [ 2025.923915] do_sys_open+0x3b3/0x520 [ 2025.927644] ? filp_open+0x70/0x70 [ 2025.931709] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 2025.937065] ? trace_hardirqs_off_caller+0x6e/0x210 [ 2025.942123] ? do_syscall_64+0x21/0x620 [ 2025.946116] do_syscall_64+0xf9/0x620 [ 2025.950178] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 2025.955384] RIP: 0033:0x465b09 [ 2025.958577] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 bc ff ff ff f7 d8 64 89 01 48 [ 2025.977486] RSP: 002b:00007fdf3d69b188 EFLAGS: 00000246 ORIG_RAX: 0000000000000101 [ 2025.985210] RAX: ffffffffffffffda RBX: 000000000056bf60 RCX: 0000000000465b09 [ 2025.992470] RDX: 0000000000040181 RSI: 0000000020000040 RDI: ffffffffffffff9c [ 2025.999728] RBP: 00007fdf3d69b1d0 R08: 0000000000000000 R09: 0000000000000000 [ 2026.008029] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001 [ 2026.015300] R13: 00007ffde5f966bf R14: 00007fdf3d69b300 R15: 0000000000022000 22:54:08 executing program 4 (fault-call:0 fault-nth:5): openat$snapshot(0xffffffffffffff9c, &(0x7f0000000040)='/dev/snapshot\x00', 0x40181, 0x0) [ 2026.068789] block nbd1: shutting down sockets [ 2026.080635] block nbd2: shutting down sockets [ 2026.081864] block nbd1: shutting down sockets 22:54:08 executing program 3: openat$snapshot(0xffffffffffffff9c, &(0x7f0000000000)='/dev/snapshot\x00', 0x2000000, 0x0) ioctl$SNDCTL_TMR_METRONOME(0xffffffffffffffff, 0x40045407) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)) r0 = openat$sequencer(0xffffffffffffff9c, &(0x7f0000000140)='/dev/sequencer\x00', 0x2, 0x0) ioctl$SNDCTL_SEQ_PANIC(r0, 0x5111) ioctl$SNDCTL_SEQ_RESET(r0, 0x5100) 22:54:08 executing program 1: r0 = syz_open_dev$ndb(&(0x7f0000000000)='/dev/nbd#\x00', 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x13e) ioctl$NBD_SET_SOCK(r0, 0x1263, 0xffffffffffffffff) [ 2026.112579] block nbd2: shutting down sockets [ 2026.120501] FAULT_INJECTION: forcing a failure. [ 2026.120501] name fail_page_alloc, interval 1, probability 0, space 0, times 0 [ 2026.172872] CPU: 0 PID: 10324 Comm: syz-executor.4 Not tainted 4.19.172-syzkaller #0 [ 2026.180807] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 2026.190408] Call Trace: [ 2026.193018] dump_stack+0x1fc/0x2ef [ 2026.196672] should_fail.cold+0xa/0xf [ 2026.200490] ? lock_acquire+0x170/0x3c0 [ 2026.204502] ? setup_fault_attr+0x200/0x200 [ 2026.208881] __alloc_pages_nodemask+0x239/0x2890 [ 2026.213653] ? kasan_kmalloc+0x139/0x160 [ 2026.217731] ? kmem_cache_alloc_trace+0x12f/0x380 [ 2026.222850] ? memory_bm_create+0x134/0x640 [ 2026.227210] ? create_basic_memory_bitmaps+0xb9/0x320 [ 2026.232449] ? chrdev_open+0x266/0x770 [ 2026.238740] ? do_dentry_open+0x4aa/0x1160 [ 2026.242987] ? path_openat+0x793/0x2df0 [ 2026.247007] ? do_syscall_64+0xf9/0x620 [ 2026.254047] ? mark_held_locks+0xf0/0xf0 [ 2026.255195] block nbd1: shutting down sockets [ 2026.258122] ? gfp_pfmemalloc_allowed+0x150/0x150 [ 2026.258140] ? kmem_cache_alloc_trace+0x12f/0x380 [ 2026.258154] ? create_basic_memory_bitmaps+0x99/0x320 [ 2026.258166] ? snapshot_open+0x3c9/0x4a0 [ 2026.258180] ? misc_open+0x372/0x4a0 [ 2026.258195] ? do_syscall_64+0xf9/0x620 [ 2026.258209] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 2026.258226] ? mark_held_locks+0xf0/0xf0 [ 2026.258239] ? _raw_spin_unlock_irqrestore+0x79/0xe0 [ 2026.258257] ? should_fail+0x142/0x7b0 [ 2026.284285] block nbd1: shutting down sockets [ 2026.285610] ? fs_reclaim_release+0xd0/0x110 [ 2026.285628] ? setup_fault_attr+0x200/0x200 [ 2026.285650] alloc_pages_current+0x193/0x2a0 [ 2026.285667] get_zeroed_page+0x10/0x40 [ 2026.331475] get_image_page+0x18/0x170 [ 2026.335884] chain_alloc+0x8b/0x100 [ 2026.339560] memory_bm_create+0x2f5/0x640 [ 2026.343738] ? create_basic_memory_bitmaps+0x99/0x320 [ 2026.349120] create_basic_memory_bitmaps+0xb9/0x320 [ 2026.354157] snapshot_open+0x3c9/0x4a0 [ 2026.358061] ? snapshot_release+0x1c0/0x1c0 [ 2026.362428] ? lock_downgrade+0x720/0x720 [ 2026.366578] ? chrdev_open+0x7c/0x770 [ 2026.370384] ? snapshot_release+0x1c0/0x1c0 [ 2026.374713] misc_open+0x372/0x4a0 [ 2026.378278] ? misc_devnode+0x120/0x120 [ 2026.382262] chrdev_open+0x266/0x770 [ 2026.386642] ? lockref_get+0x11/0x50 [ 2026.390347] ? __register_chrdev+0x400/0x400 [ 2026.394762] ? check_preemption_disabled+0x41/0x280 [ 2026.399784] do_dentry_open+0x4aa/0x1160 [ 2026.404567] ? __register_chrdev+0x400/0x400 [ 2026.408988] ? inode_permission.part.0+0x10c/0x450 [ 2026.413933] ? chown_common+0x550/0x550 [ 2026.417921] ? inode_owner_or_capable+0x17a/0x1e0 [ 2026.422784] path_openat+0x793/0x2df0 [ 2026.427149] ? path_lookupat+0x8d0/0x8d0 [ 2026.432070] ? mark_held_locks+0xf0/0xf0 [ 2026.436132] ? mark_held_locks+0xf0/0xf0 [ 2026.440214] do_filp_open+0x18c/0x3f0 [ 2026.444046] ? may_open_dev+0xf0/0xf0 [ 2026.447883] ? lock_downgrade+0x720/0x720 [ 2026.452046] ? lock_acquire+0x170/0x3c0 [ 2026.456039] ? __alloc_fd+0x34/0x570 [ 2026.459757] ? do_raw_spin_unlock+0x171/0x230 [ 2026.464686] ? _raw_spin_unlock+0x29/0x40 [ 2026.469539] ? __alloc_fd+0x28d/0x570 [ 2026.473351] do_sys_open+0x3b3/0x520 [ 2026.477062] ? filp_open+0x70/0x70 [ 2026.480622] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 2026.486161] ? trace_hardirqs_off_caller+0x6e/0x210 [ 2026.491544] ? do_syscall_64+0x21/0x620 [ 2026.496230] do_syscall_64+0xf9/0x620 [ 2026.500138] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 2026.505343] RIP: 0033:0x465b09 [ 2026.508529] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 bc ff ff ff f7 d8 64 89 01 48 [ 2026.527790] RSP: 002b:00007fdf3d69b188 EFLAGS: 00000246 ORIG_RAX: 0000000000000101 [ 2026.535971] RAX: ffffffffffffffda RBX: 000000000056bf60 RCX: 0000000000465b09 [ 2026.544048] RDX: 0000000000040181 RSI: 0000000020000040 RDI: ffffffffffffff9c [ 2026.559082] RBP: 00007fdf3d69b1d0 R08: 0000000000000000 R09: 0000000000000000 [ 2026.566355] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001 22:54:09 executing program 1: r0 = syz_open_dev$ndb(&(0x7f0000000000)='/dev/nbd#\x00', 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x13e) ioctl$NBD_SET_SOCK(r0, 0x1264, 0xffffffffffffffff) 22:54:09 executing program 2: r0 = syz_open_dev$ndb(&(0x7f0000000000)='/dev/nbd#\x00', 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x13e) r2 = syz_open_dev$ndb(&(0x7f0000000140)='/dev/nbd#\x00', 0x0, 0x0) ioctl$NBD_CLEAR_SOCK(r2, 0xab04) ioctl$NBD_SET_SOCK(r0, 0x1263, 0xffffffffffffffff) [ 2026.573890] R13: 00007ffde5f966bf R14: 00007fdf3d69b300 R15: 0000000000022000 [ 2026.587611] block nbd0: Receive control failed (result -32) [ 2026.597824] block nbd0: shutting down sockets 22:54:09 executing program 0: r0 = syz_open_dev$ndb(&(0x7f0000000000)='/dev/nbd#\x00', 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x13e) ioctl$NBD_SET_SOCK(r0, 0xab03, 0xffffffffffffffff) 22:54:09 executing program 3: openat$snapshot(0xffffffffffffff9c, &(0x7f0000000000)='/dev/snapshot\x00', 0x3000000, 0x0) ioctl$SNDCTL_TMR_METRONOME(0xffffffffffffffff, 0x40045407) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)) r0 = openat$sequencer(0xffffffffffffff9c, &(0x7f0000000140)='/dev/sequencer\x00', 0x2, 0x0) ioctl$SNDCTL_SEQ_PANIC(r0, 0x5111) ioctl$SNDCTL_SEQ_RESET(r0, 0x5100) 22:54:09 executing program 4 (fault-call:0 fault-nth:6): openat$snapshot(0xffffffffffffff9c, &(0x7f0000000040)='/dev/snapshot\x00', 0x40181, 0x0) [ 2026.672944] block nbd2: shutting down sockets [ 2026.678054] block nbd1: shutting down sockets [ 2026.684014] block nbd2: shutting down sockets [ 2026.695709] block nbd1: shutting down sockets [ 2027.577614] block nbd0: Receive control failed (result -32) [ 2027.577747] block nbd0: shutting down sockets [ 2030.958471] block nbd5: Connection timed out [ 2030.963034] print_req_error: 141 callbacks suppressed [ 2030.963041] print_req_error: I/O error, dev nbd5, sector 0 [ 2030.974002] buffer_io_error: 150 callbacks suppressed [ 2030.974012] Buffer I/O error on dev nbd5, logical block 0, async page read [ 2030.986448] block nbd5: Connection timed out [ 2030.992310] print_req_error: I/O error, dev nbd5, sector 2 [ 2030.997971] Buffer I/O error on dev nbd5, logical block 1, async page read [ 2031.005288] block nbd5: Connection timed out [ 2031.009870] print_req_error: I/O error, dev nbd5, sector 4 [ 2031.015516] Buffer I/O error on dev nbd5, logical block 2, async page read [ 2031.025029] block nbd5: Connection timed out [ 2031.029662] print_req_error: I/O error, dev nbd5, sector 6 [ 2031.035388] Buffer I/O error on dev nbd5, logical block 3, async page read [ 2031.042893] print_req_error: I/O error, dev nbd5, sector 0 [ 2031.048683] Buffer I/O error on dev nbd5, logical block 0, async page read [ 2031.055715] Buffer I/O error on dev nbd5, logical block 1, async page read [ 2031.064696] Buffer I/O error on dev nbd5, logical block 2, async page read [ 2031.071966] Buffer I/O error on dev nbd5, logical block 3, async page read [ 2031.080080] print_req_error: I/O error, dev nbd5, sector 0 [ 2031.085834] Buffer I/O error on dev nbd5, logical block 0, async page read [ 2031.093417] Buffer I/O error on dev nbd5, logical block 1, async page read [ 2031.100804] print_req_error: I/O error, dev nbd5, sector 0 [ 2031.106677] print_req_error: I/O error, dev nbd5, sector 0 [ 2031.112615] print_req_error: I/O error, dev nbd5, sector 2 [ 2031.118729] print_req_error: I/O error, dev nbd5, sector 0 [ 2031.127707] ldm_validate_partition_table(): Disk read failed. [ 2031.135400] Dev nbd5: unable to read RDB block 0 [ 2031.142970] nbd5: unable to read partition table [ 2031.147848] nbd5: partition table beyond EOD, truncated 22:54:13 executing program 1: r0 = syz_open_dev$ndb(&(0x7f0000000000)='/dev/nbd#\x00', 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x13e) ioctl$NBD_SET_SOCK(r0, 0x1265, 0xffffffffffffffff) 22:54:13 executing program 2: r0 = syz_open_dev$ndb(&(0x7f0000000000)='/dev/nbd#\x00', 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x13e) r2 = syz_open_dev$ndb(&(0x7f0000000140)='/dev/nbd#\x00', 0x0, 0x0) ioctl$NBD_CLEAR_SOCK(r2, 0xab04) ioctl$NBD_SET_SOCK(r0, 0x1264, 0xffffffffffffffff) 22:54:13 executing program 4: openat$snapshot(0xffffffffffffff9c, &(0x7f0000000040)='/dev/snapshot\x00', 0x40181, 0x0) 22:54:13 executing program 5: r0 = syz_open_dev$ndb(&(0x7f0000000000)='/dev/nbd#\x00', 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) r2 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x48100) ioctl$NBD_SET_SOCK(r2, 0xab00, r1) r3 = syz_open_dev$ndb(&(0x7f0000000140)='/dev/nbd#\x00', 0x0, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab03, 0xffffffffffffffff) ioctl$NBD_SET_SIZE_BLOCKS(r3, 0xab07, 0x5) 22:54:13 executing program 3: openat$snapshot(0xffffffffffffff9c, &(0x7f0000000000)='/dev/snapshot\x00', 0x4000000, 0x0) ioctl$SNDCTL_TMR_METRONOME(0xffffffffffffffff, 0x40045407) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)) r0 = openat$sequencer(0xffffffffffffff9c, &(0x7f0000000140)='/dev/sequencer\x00', 0x2, 0x0) ioctl$SNDCTL_SEQ_PANIC(r0, 0x5111) ioctl$SNDCTL_SEQ_RESET(r0, 0x5100) 22:54:13 executing program 0: r0 = syz_open_dev$ndb(&(0x7f0000000000)='/dev/nbd#\x00', 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x13e) ioctl$NBD_SET_SOCK(r0, 0x2, 0xffffffffffffffff) [ 2031.156232] ldm_validate_partition_table(): Disk read failed. [ 2031.164401] Dev nbd5: unable to read RDB block 0 [ 2031.170943] nbd5: unable to read partition table [ 2031.175856] nbd5: partition table beyond EOD, truncated [ 2031.184387] ldm_validate_partition_table(): Disk read failed. [ 2031.192529] Dev nbd5: unable to read RDB block 0 [ 2031.198501] nbd5: unable to read partition table [ 2031.204213] nbd5: partition table beyond EOD, truncated [ 2031.266446] block nbd1: shutting down sockets [ 2031.282809] block nbd1: shutting down sockets [ 2031.288898] block nbd0: shutting down sockets [ 2031.297607] block nbd2: shutting down sockets 22:54:13 executing program 1: r0 = syz_open_dev$ndb(&(0x7f0000000000)='/dev/nbd#\x00', 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x13e) ioctl$NBD_SET_SOCK(r0, 0x1267, 0xffffffffffffffff) 22:54:13 executing program 4: openat$snapshot(0xffffffffffffff9c, &(0x7f0000000040)='/dev/snapshot\x00', 0x40181, 0x2) [ 2031.313592] block nbd0: shutting down sockets [ 2031.333552] block nbd2: shutting down sockets 22:54:13 executing program 3: openat$snapshot(0xffffffffffffff9c, &(0x7f0000000000)='/dev/snapshot\x00', 0x7000000, 0x0) ioctl$SNDCTL_TMR_METRONOME(0xffffffffffffffff, 0x40045407) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)) r0 = openat$sequencer(0xffffffffffffff9c, &(0x7f0000000140)='/dev/sequencer\x00', 0x2, 0x0) ioctl$SNDCTL_SEQ_PANIC(r0, 0x5111) ioctl$SNDCTL_SEQ_RESET(r0, 0x5100) 22:54:13 executing program 2: r0 = syz_open_dev$ndb(&(0x7f0000000000)='/dev/nbd#\x00', 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x13e) r2 = syz_open_dev$ndb(&(0x7f0000000140)='/dev/nbd#\x00', 0x0, 0x0) ioctl$NBD_CLEAR_SOCK(r2, 0xab04) ioctl$NBD_SET_SOCK(r0, 0x1265, 0xffffffffffffffff) 22:54:13 executing program 0: r0 = syz_open_dev$ndb(&(0x7f0000000000)='/dev/nbd#\x00', 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x13e) ioctl$NBD_SET_SOCK(r0, 0x301, 0xffffffffffffffff) [ 2031.402663] block nbd1: shutting down sockets [ 2031.427036] block nbd1: shutting down sockets 22:54:14 executing program 0: r0 = syz_open_dev$ndb(&(0x7f0000000000)='/dev/nbd#\x00', 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x13e) ioctl$NBD_SET_SOCK(r0, 0x125d, 0xffffffffffffffff) [ 2031.456023] block nbd0: shutting down sockets [ 2031.463129] block nbd0: shutting down sockets 22:54:14 executing program 1: r0 = syz_open_dev$ndb(&(0x7f0000000000)='/dev/nbd#\x00', 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x13e) ioctl$NBD_SET_SOCK(r0, 0x1268, 0xffffffffffffffff) [ 2031.501025] block nbd2: shutting down sockets [ 2031.515002] block nbd2: shutting down sockets [ 2031.521594] block nbd0: shutting down sockets 22:54:14 executing program 2: r0 = syz_open_dev$ndb(&(0x7f0000000000)='/dev/nbd#\x00', 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x13e) r2 = syz_open_dev$ndb(&(0x7f0000000140)='/dev/nbd#\x00', 0x0, 0x0) ioctl$NBD_CLEAR_SOCK(r2, 0xab04) ioctl$NBD_SET_SOCK(r0, 0x1267, 0xffffffffffffffff) [ 2031.541653] block nbd0: shutting down sockets [ 2031.595902] block nbd1: shutting down sockets [ 2031.613716] block nbd1: shutting down sockets [ 2031.626916] block nbd2: shutting down sockets [ 2031.644610] block nbd2: shutting down sockets 22:54:14 executing program 5: r0 = syz_open_dev$ndb(&(0x7f0000000000)='/dev/nbd#\x00', 0x0, 0x0) r1 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x48100) ioctl$NBD_SET_SOCK(r1, 0xab00, 0xffffffffffffffff) r2 = syz_open_dev$ndb(&(0x7f0000000140)='/dev/nbd#\x00', 0x0, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab03, 0xffffffffffffffff) ioctl$NBD_SET_SIZE_BLOCKS(r2, 0xab07, 0x5) 22:54:14 executing program 0: r0 = syz_open_dev$ndb(&(0x7f0000000000)='/dev/nbd#\x00', 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x13e) ioctl$NBD_SET_SOCK(r0, 0x125e, 0xffffffffffffffff) 22:54:14 executing program 3: openat$snapshot(0xffffffffffffff9c, &(0x7f0000000000)='/dev/snapshot\x00', 0xf6ffffff, 0x0) ioctl$SNDCTL_TMR_METRONOME(0xffffffffffffffff, 0x40045407) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)) r0 = openat$sequencer(0xffffffffffffff9c, &(0x7f0000000140)='/dev/sequencer\x00', 0x2, 0x0) ioctl$SNDCTL_SEQ_PANIC(r0, 0x5111) ioctl$SNDCTL_SEQ_RESET(r0, 0x5100) 22:54:14 executing program 4: openat$snapshot(0xffffffffffffff9c, &(0x7f0000000040)='/dev/snapshot\x00', 0x40181, 0x3) 22:54:14 executing program 1: r0 = syz_open_dev$ndb(&(0x7f0000000000)='/dev/nbd#\x00', 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x13e) ioctl$NBD_SET_SOCK(r0, 0x1269, 0xffffffffffffffff) 22:54:14 executing program 2: r0 = syz_open_dev$ndb(&(0x7f0000000000)='/dev/nbd#\x00', 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x13e) r2 = syz_open_dev$ndb(&(0x7f0000000140)='/dev/nbd#\x00', 0x0, 0x0) ioctl$NBD_CLEAR_SOCK(r2, 0xab04) ioctl$NBD_SET_SOCK(r0, 0x1268, 0xffffffffffffffff) [ 2032.130702] block nbd5: Receive control failed (result -104) [ 2032.131922] block nbd5: shutting down sockets [ 2032.170666] block nbd0: shutting down sockets [ 2032.181404] block nbd0: shutting down sockets 22:54:14 executing program 0: r0 = syz_open_dev$ndb(&(0x7f0000000000)='/dev/nbd#\x00', 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x13e) ioctl$NBD_SET_SOCK(r0, 0x125f, 0xffffffffffffffff) [ 2032.205071] block nbd2: shutting down sockets [ 2032.214990] block nbd1: shutting down sockets [ 2032.224378] block nbd2: shutting down sockets 22:54:14 executing program 2: r0 = syz_open_dev$ndb(&(0x7f0000000000)='/dev/nbd#\x00', 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x13e) r2 = syz_open_dev$ndb(&(0x7f0000000140)='/dev/nbd#\x00', 0x0, 0x0) ioctl$NBD_CLEAR_SOCK(r2, 0xab04) ioctl$NBD_SET_SOCK(r0, 0x1269, 0xffffffffffffffff) [ 2032.253687] block nbd1: shutting down sockets 22:54:14 executing program 3: openat$snapshot(0xffffffffffffff9c, &(0x7f0000000000)='/dev/snapshot\x00', 0xfffffff6, 0x0) ioctl$SNDCTL_TMR_METRONOME(0xffffffffffffffff, 0x40045407) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)) r0 = openat$sequencer(0xffffffffffffff9c, &(0x7f0000000140)='/dev/sequencer\x00', 0x2, 0x0) ioctl$SNDCTL_SEQ_PANIC(r0, 0x5111) ioctl$SNDCTL_SEQ_RESET(r0, 0x5100) 22:54:14 executing program 1: r0 = syz_open_dev$ndb(&(0x7f0000000000)='/dev/nbd#\x00', 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x13e) ioctl$NBD_SET_SOCK(r0, 0x1274, 0xffffffffffffffff) [ 2032.282020] block nbd0: shutting down sockets [ 2032.298170] block nbd0: shutting down sockets [ 2032.325254] block nbd2: shutting down sockets 22:54:14 executing program 0: r0 = syz_open_dev$ndb(&(0x7f0000000000)='/dev/nbd#\x00', 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x13e) ioctl$NBD_SET_SOCK(r0, 0x1260, 0xffffffffffffffff) 22:54:14 executing program 2: r0 = syz_open_dev$ndb(&(0x7f0000000000)='/dev/nbd#\x00', 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x13e) r2 = syz_open_dev$ndb(&(0x7f0000000140)='/dev/nbd#\x00', 0x0, 0x0) ioctl$NBD_CLEAR_SOCK(r2, 0xab04) ioctl$NBD_SET_SOCK(r0, 0x1274, 0xffffffffffffffff) [ 2032.368666] block nbd2: shutting down sockets [ 2032.379723] block nbd1: shutting down sockets [ 2032.395979] block nbd1: shutting down sockets [ 2032.473363] block nbd2: shutting down sockets [ 2032.491521] block nbd0: shutting down sockets [ 2032.501896] block nbd0: shutting down sockets [ 2032.512774] block nbd2: shutting down sockets [ 2037.388584] block nbd5: Connection timed out [ 2037.393136] print_req_error: 193 callbacks suppressed [ 2037.393146] print_req_error: I/O error, dev nbd5, sector 0 [ 2037.404162] buffer_io_error: 210 callbacks suppressed [ 2037.404168] Buffer I/O error on dev nbd5, logical block 0, async page read [ 2037.416949] block nbd5: Connection timed out [ 2037.421499] print_req_error: I/O error, dev nbd5, sector 2 [ 2037.427131] Buffer I/O error on dev nbd5, logical block 1, async page read [ 2037.434397] block nbd5: Connection timed out [ 2037.439058] print_req_error: I/O error, dev nbd5, sector 4 [ 2037.444702] Buffer I/O error on dev nbd5, logical block 2, async page read [ 2037.451956] block nbd5: Connection timed out [ 2037.456381] print_req_error: I/O error, dev nbd5, sector 6 [ 2037.462224] Buffer I/O error on dev nbd5, logical block 3, async page read [ 2037.469866] print_req_error: I/O error, dev nbd5, sector 0 [ 2037.475955] Buffer I/O error on dev nbd5, logical block 0, async page read [ 2037.483766] Buffer I/O error on dev nbd5, logical block 1, async page read [ 2037.491023] Buffer I/O error on dev nbd5, logical block 2, async page read [ 2037.498077] Buffer I/O error on dev nbd5, logical block 3, async page read [ 2037.505676] print_req_error: I/O error, dev nbd5, sector 0 [ 2037.511484] Buffer I/O error on dev nbd5, logical block 0, async page read [ 2037.518678] Buffer I/O error on dev nbd5, logical block 1, async page read [ 2037.526551] print_req_error: I/O error, dev nbd5, sector 0 [ 2037.532865] print_req_error: I/O error, dev nbd5, sector 2 [ 2037.539613] print_req_error: I/O error, dev nbd5, sector 0 [ 2037.545432] print_req_error: I/O error, dev nbd5, sector 0 [ 2037.553957] ldm_validate_partition_table(): Disk read failed. [ 2037.561478] Dev nbd5: unable to read RDB block 0 [ 2037.567029] nbd5: unable to read partition table [ 2037.573128] nbd5: partition table beyond EOD, truncated [ 2037.581772] ldm_validate_partition_table(): Disk read failed. 22:54:20 executing program 5: r0 = syz_open_dev$ndb(&(0x7f0000000000)='/dev/nbd#\x00', 0x0, 0x0) r1 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x48100) ioctl$NBD_SET_SOCK(r1, 0xab00, 0xffffffffffffffff) r2 = syz_open_dev$ndb(&(0x7f0000000140)='/dev/nbd#\x00', 0x0, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab03, 0xffffffffffffffff) ioctl$NBD_SET_SIZE_BLOCKS(r2, 0xab07, 0x5) 22:54:20 executing program 3: openat$snapshot(0xffffffffffffff9c, &(0x7f0000000000)='/dev/snapshot\x00', 0x1000000000000, 0x0) ioctl$SNDCTL_TMR_METRONOME(0xffffffffffffffff, 0x40045407) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)) r0 = openat$sequencer(0xffffffffffffff9c, &(0x7f0000000140)='/dev/sequencer\x00', 0x2, 0x0) ioctl$SNDCTL_SEQ_PANIC(r0, 0x5111) ioctl$SNDCTL_SEQ_RESET(r0, 0x5100) 22:54:20 executing program 4: openat$snapshot(0xffffffffffffff9c, &(0x7f0000000040)='/dev/snapshot\x00', 0x40181, 0x4) 22:54:20 executing program 1: r0 = syz_open_dev$ndb(&(0x7f0000000000)='/dev/nbd#\x00', 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x13e) ioctl$NBD_SET_SOCK(r0, 0x1276, 0xffffffffffffffff) 22:54:20 executing program 0: r0 = syz_open_dev$ndb(&(0x7f0000000000)='/dev/nbd#\x00', 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x13e) ioctl$NBD_SET_SOCK(r0, 0x1261, 0xffffffffffffffff) 22:54:20 executing program 2: r0 = syz_open_dev$ndb(&(0x7f0000000000)='/dev/nbd#\x00', 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x13e) r2 = syz_open_dev$ndb(&(0x7f0000000140)='/dev/nbd#\x00', 0x0, 0x0) ioctl$NBD_CLEAR_SOCK(r2, 0xab04) ioctl$NBD_SET_SOCK(r0, 0x1276, 0xffffffffffffffff) [ 2037.589148] Dev nbd5: unable to read RDB block 0 [ 2037.594943] nbd5: unable to read partition table [ 2037.599976] nbd5: partition table beyond EOD, truncated [ 2037.608143] ldm_validate_partition_table(): Disk read failed. [ 2037.615906] Dev nbd5: unable to read RDB block 0 [ 2037.621918] nbd5: unable to read partition table [ 2037.626799] nbd5: partition table beyond EOD, truncated [ 2037.714031] block nbd2: shutting down sockets [ 2037.728305] block nbd0: shutting down sockets [ 2037.733480] block nbd1: shutting down sockets [ 2037.750545] block nbd0: shutting down sockets [ 2037.755699] block nbd1: shutting down sockets 22:54:20 executing program 3: openat$snapshot(0xffffffffffffff9c, &(0x7f0000000000)='/dev/snapshot\x00', 0x100000000000000, 0x0) ioctl$SNDCTL_TMR_METRONOME(0xffffffffffffffff, 0x40045407) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)) r0 = openat$sequencer(0xffffffffffffff9c, &(0x7f0000000140)='/dev/sequencer\x00', 0x2, 0x0) ioctl$SNDCTL_SEQ_PANIC(r0, 0x5111) ioctl$SNDCTL_SEQ_RESET(r0, 0x5100) [ 2037.794405] block nbd2: shutting down sockets 22:54:20 executing program 5: r0 = syz_open_dev$ndb(&(0x7f0000000000)='/dev/nbd#\x00', 0x0, 0x0) r1 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x48100) ioctl$NBD_SET_SOCK(r1, 0xab00, 0xffffffffffffffff) r2 = syz_open_dev$ndb(&(0x7f0000000140)='/dev/nbd#\x00', 0x0, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab03, 0xffffffffffffffff) ioctl$NBD_SET_SIZE_BLOCKS(r2, 0xab07, 0x5) 22:54:20 executing program 0: r0 = syz_open_dev$ndb(&(0x7f0000000000)='/dev/nbd#\x00', 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x13e) ioctl$NBD_SET_SOCK(r0, 0x1262, 0xffffffffffffffff) 22:54:20 executing program 1: r0 = syz_open_dev$ndb(&(0x7f0000000000)='/dev/nbd#\x00', 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x13e) ioctl$NBD_SET_SOCK(r0, 0x1277, 0xffffffffffffffff) 22:54:20 executing program 2: r0 = syz_open_dev$ndb(&(0x7f0000000000)='/dev/nbd#\x00', 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x13e) r2 = syz_open_dev$ndb(&(0x7f0000000140)='/dev/nbd#\x00', 0x0, 0x0) ioctl$NBD_CLEAR_SOCK(r2, 0xab04) ioctl$NBD_SET_SOCK(r0, 0x1277, 0xffffffffffffffff) 22:54:20 executing program 4: openat$snapshot(0xffffffffffffff9c, &(0x7f0000000040)='/dev/snapshot\x00', 0x40181, 0x300) 22:54:20 executing program 5: socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) r1 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x48100) ioctl$NBD_SET_SOCK(r1, 0xab00, r0) r2 = syz_open_dev$ndb(&(0x7f0000000140)='/dev/nbd#\x00', 0x0, 0x0) ioctl$NBD_SET_SOCK(0xffffffffffffffff, 0xab03, 0xffffffffffffffff) ioctl$NBD_SET_SIZE_BLOCKS(r2, 0xab07, 0x5) [ 2037.927594] block nbd1: shutting down sockets [ 2037.941615] block nbd0: shutting down sockets [ 2037.947747] block nbd1: shutting down sockets [ 2037.954117] block nbd2: shutting down sockets 22:54:20 executing program 3: openat$snapshot(0xffffffffffffff9c, &(0x7f0000000000)='/dev/snapshot\x00', 0x200000000000000, 0x0) ioctl$SNDCTL_TMR_METRONOME(0xffffffffffffffff, 0x40045407) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)) r0 = openat$sequencer(0xffffffffffffff9c, &(0x7f0000000140)='/dev/sequencer\x00', 0x2, 0x0) ioctl$SNDCTL_SEQ_PANIC(r0, 0x5111) ioctl$SNDCTL_SEQ_RESET(r0, 0x5100) 22:54:20 executing program 1: r0 = syz_open_dev$ndb(&(0x7f0000000000)='/dev/nbd#\x00', 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x13e) ioctl$NBD_SET_SOCK(r0, 0x1278, 0xffffffffffffffff) [ 2037.983289] block nbd0: shutting down sockets [ 2037.992258] block nbd2: shutting down sockets 22:54:20 executing program 0: r0 = syz_open_dev$ndb(&(0x7f0000000000)='/dev/nbd#\x00', 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x13e) ioctl$NBD_SET_SOCK(r0, 0x1263, 0xffffffffffffffff) 22:54:20 executing program 2: r0 = syz_open_dev$ndb(&(0x7f0000000000)='/dev/nbd#\x00', 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x13e) r2 = syz_open_dev$ndb(&(0x7f0000000140)='/dev/nbd#\x00', 0x0, 0x0) ioctl$NBD_CLEAR_SOCK(r2, 0xab04) ioctl$NBD_SET_SOCK(r0, 0x1278, 0xffffffffffffffff) [ 2038.052099] block nbd5: shutting down sockets 22:54:20 executing program 5: socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) r1 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x48100) ioctl$NBD_SET_SOCK(r1, 0xab00, r0) r2 = syz_open_dev$ndb(&(0x7f0000000140)='/dev/nbd#\x00', 0x0, 0x0) ioctl$NBD_SET_SOCK(0xffffffffffffffff, 0xab03, 0xffffffffffffffff) ioctl$NBD_SET_SIZE_BLOCKS(r2, 0xab07, 0x5) [ 2038.123411] block nbd1: shutting down sockets 22:54:20 executing program 3: openat$snapshot(0xffffffffffffff9c, &(0x7f0000000000)='/dev/snapshot\x00', 0x300000000000000, 0x0) ioctl$SNDCTL_TMR_METRONOME(0xffffffffffffffff, 0x40045407) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)) r0 = openat$sequencer(0xffffffffffffff9c, &(0x7f0000000140)='/dev/sequencer\x00', 0x2, 0x0) ioctl$SNDCTL_SEQ_PANIC(r0, 0x5111) ioctl$SNDCTL_SEQ_RESET(r0, 0x5100) 22:54:20 executing program 1: r0 = syz_open_dev$ndb(&(0x7f0000000000)='/dev/nbd#\x00', 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x13e) ioctl$NBD_SET_SOCK(r0, 0x1279, 0xffffffffffffffff) [ 2038.164006] block nbd0: shutting down sockets [ 2038.175271] block nbd2: shutting down sockets [ 2038.198990] block nbd0: shutting down sockets 22:54:20 executing program 4: openat$snapshot(0xffffffffffffff9c, &(0x7f0000000040)='/dev/snapshot\x00', 0x40181, 0x1000000) [ 2038.210363] block nbd2: shutting down sockets [ 2038.233704] block nbd5: shutting down sockets 22:54:20 executing program 0: r0 = syz_open_dev$ndb(&(0x7f0000000000)='/dev/nbd#\x00', 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x13e) ioctl$NBD_SET_SOCK(r0, 0x1264, 0xffffffffffffffff) [ 2038.274338] block nbd1: shutting down sockets 22:54:20 executing program 2: r0 = syz_open_dev$ndb(&(0x7f0000000000)='/dev/nbd#\x00', 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x13e) r2 = syz_open_dev$ndb(&(0x7f0000000140)='/dev/nbd#\x00', 0x0, 0x0) ioctl$NBD_CLEAR_SOCK(r2, 0xab04) ioctl$NBD_SET_SOCK(r0, 0x1279, 0xffffffffffffffff) 22:54:20 executing program 5: socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) r1 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x48100) ioctl$NBD_SET_SOCK(r1, 0xab00, r0) r2 = syz_open_dev$ndb(&(0x7f0000000140)='/dev/nbd#\x00', 0x0, 0x0) ioctl$NBD_SET_SOCK(0xffffffffffffffff, 0xab03, 0xffffffffffffffff) ioctl$NBD_SET_SIZE_BLOCKS(r2, 0xab07, 0x5) [ 2038.295724] block nbd1: shutting down sockets 22:54:20 executing program 4: openat$snapshot(0xffffffffffffff9c, &(0x7f0000000040)='/dev/snapshot\x00', 0x40181, 0x2000000) 22:54:20 executing program 3: openat$snapshot(0xffffffffffffff9c, &(0x7f0000000000)='/dev/snapshot\x00', 0x400000000000000, 0x0) ioctl$SNDCTL_TMR_METRONOME(0xffffffffffffffff, 0x40045407) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)) r0 = openat$sequencer(0xffffffffffffff9c, &(0x7f0000000140)='/dev/sequencer\x00', 0x2, 0x0) ioctl$SNDCTL_SEQ_PANIC(r0, 0x5111) ioctl$SNDCTL_SEQ_RESET(r0, 0x5100) 22:54:20 executing program 1: r0 = syz_open_dev$ndb(&(0x7f0000000000)='/dev/nbd#\x00', 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x13e) ioctl$NBD_SET_SOCK(r0, 0x127a, 0xffffffffffffffff) [ 2038.367664] block nbd0: shutting down sockets [ 2038.384685] block nbd2: shutting down sockets [ 2038.399777] block nbd5: shutting down sockets [ 2038.416869] block nbd0: shutting down sockets [ 2038.437636] block nbd2: shutting down sockets 22:54:21 executing program 5: r0 = syz_open_dev$ndb(0x0, 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) r2 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x48100) ioctl$NBD_SET_SOCK(r2, 0xab00, r1) r3 = syz_open_dev$ndb(&(0x7f0000000140)='/dev/nbd#\x00', 0x0, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab03, 0xffffffffffffffff) ioctl$NBD_SET_SIZE_BLOCKS(r3, 0xab07, 0x5) 22:54:21 executing program 0: r0 = syz_open_dev$ndb(&(0x7f0000000000)='/dev/nbd#\x00', 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x13e) ioctl$NBD_SET_SOCK(r0, 0x1265, 0xffffffffffffffff) 22:54:21 executing program 3: openat$snapshot(0xffffffffffffff9c, &(0x7f0000000000)='/dev/snapshot\x00', 0x700000000000000, 0x0) ioctl$SNDCTL_TMR_METRONOME(0xffffffffffffffff, 0x40045407) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)) r0 = openat$sequencer(0xffffffffffffff9c, &(0x7f0000000140)='/dev/sequencer\x00', 0x2, 0x0) ioctl$SNDCTL_SEQ_PANIC(r0, 0x5111) ioctl$SNDCTL_SEQ_RESET(r0, 0x5100) [ 2038.518799] block nbd1: shutting down sockets 22:54:21 executing program 2: r0 = syz_open_dev$ndb(&(0x7f0000000000)='/dev/nbd#\x00', 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x13e) r2 = syz_open_dev$ndb(&(0x7f0000000140)='/dev/nbd#\x00', 0x0, 0x0) ioctl$NBD_CLEAR_SOCK(r2, 0xab04) ioctl$NBD_SET_SOCK(r0, 0x127a, 0xffffffffffffffff) 22:54:21 executing program 4: openat$snapshot(0xffffffffffffff9c, &(0x7f0000000040)='/dev/snapshot\x00', 0x40181, 0x3000000) [ 2038.544323] block nbd1: shutting down sockets [ 2038.556818] block nbd0: shutting down sockets [ 2038.566280] block nbd0: shutting down sockets [ 2038.581883] block nbd5: shutting down sockets 22:54:21 executing program 1: r0 = syz_open_dev$ndb(&(0x7f0000000000)='/dev/nbd#\x00', 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x13e) ioctl$NBD_SET_SOCK(r0, 0x127b, 0xffffffffffffffff) 22:54:21 executing program 5: r0 = syz_open_dev$ndb(0x0, 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) r2 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x48100) ioctl$NBD_SET_SOCK(r2, 0xab00, r1) r3 = syz_open_dev$ndb(&(0x7f0000000140)='/dev/nbd#\x00', 0x0, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab03, 0xffffffffffffffff) ioctl$NBD_SET_SIZE_BLOCKS(r3, 0xab07, 0x5) 22:54:21 executing program 0: r0 = syz_open_dev$ndb(&(0x7f0000000000)='/dev/nbd#\x00', 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x13e) ioctl$NBD_SET_SOCK(r0, 0x1267, 0xffffffffffffffff) [ 2038.633227] block nbd2: shutting down sockets 22:54:21 executing program 3: openat$snapshot(0xffffffffffffff9c, &(0x7f0000000000)='/dev/snapshot\x00', 0xf6ffffff00000000, 0x0) ioctl$SNDCTL_TMR_METRONOME(0xffffffffffffffff, 0x40045407) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)) r0 = openat$sequencer(0xffffffffffffff9c, &(0x7f0000000140)='/dev/sequencer\x00', 0x2, 0x0) ioctl$SNDCTL_SEQ_PANIC(r0, 0x5111) ioctl$SNDCTL_SEQ_RESET(r0, 0x5100) [ 2038.671216] block nbd2: shutting down sockets 22:54:21 executing program 2: r0 = syz_open_dev$ndb(&(0x7f0000000000)='/dev/nbd#\x00', 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x13e) r2 = syz_open_dev$ndb(&(0x7f0000000140)='/dev/nbd#\x00', 0x0, 0x0) ioctl$NBD_CLEAR_SOCK(r2, 0xab04) ioctl$NBD_SET_SOCK(r0, 0x127b, 0xffffffffffffffff) [ 2038.721649] block nbd1: shutting down sockets [ 2038.733817] block nbd5: shutting down sockets [ 2038.744468] block nbd1: shutting down sockets [ 2038.764346] block nbd0: shutting down sockets 22:54:21 executing program 5: r0 = syz_open_dev$ndb(0x0, 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) r2 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x48100) ioctl$NBD_SET_SOCK(r2, 0xab00, r1) r3 = syz_open_dev$ndb(&(0x7f0000000140)='/dev/nbd#\x00', 0x0, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab03, 0xffffffffffffffff) ioctl$NBD_SET_SIZE_BLOCKS(r3, 0xab07, 0x5) 22:54:21 executing program 1: r0 = syz_open_dev$ndb(&(0x7f0000000000)='/dev/nbd#\x00', 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x13e) ioctl$NBD_SET_SOCK(r0, 0x127c, 0xffffffffffffffff) [ 2038.787857] block nbd0: shutting down sockets [ 2038.794388] block nbd2: shutting down sockets [ 2038.804243] block nbd2: shutting down sockets 22:54:21 executing program 0: r0 = syz_open_dev$ndb(&(0x7f0000000000)='/dev/nbd#\x00', 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x13e) ioctl$NBD_SET_SOCK(r0, 0x1268, 0xffffffffffffffff) 22:54:21 executing program 2: r0 = syz_open_dev$ndb(&(0x7f0000000000)='/dev/nbd#\x00', 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x13e) r2 = syz_open_dev$ndb(&(0x7f0000000140)='/dev/nbd#\x00', 0x0, 0x0) ioctl$NBD_CLEAR_SOCK(r2, 0xab04) ioctl$NBD_SET_SOCK(r0, 0x127c, 0xffffffffffffffff) [ 2038.878681] block nbd5: shutting down sockets 22:54:21 executing program 3: openat$snapshot(0xffffffffffffff9c, &(0x7f0000000000)='/dev/snapshot\x00', 0x0, 0x2) ioctl$SNDCTL_TMR_METRONOME(0xffffffffffffffff, 0x40045407) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)) r0 = openat$sequencer(0xffffffffffffff9c, &(0x7f0000000140)='/dev/sequencer\x00', 0x2, 0x0) ioctl$SNDCTL_SEQ_PANIC(r0, 0x5111) ioctl$SNDCTL_SEQ_RESET(r0, 0x5100) 22:54:21 executing program 4: openat$snapshot(0xffffffffffffff9c, &(0x7f0000000040)='/dev/snapshot\x00', 0x40181, 0x4000000) [ 2038.925786] block nbd1: shutting down sockets 22:54:21 executing program 5: r0 = syz_open_dev$ndb(&(0x7f0000000000)='/dev/nbd#\x00', 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, 0x0) r1 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x48100) ioctl$NBD_SET_SOCK(r1, 0xab00, 0xffffffffffffffff) r2 = syz_open_dev$ndb(&(0x7f0000000140)='/dev/nbd#\x00', 0x0, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab03, 0xffffffffffffffff) ioctl$NBD_SET_SIZE_BLOCKS(r2, 0xab07, 0x5) [ 2038.946798] block nbd0: shutting down sockets [ 2038.956306] block nbd2: shutting down sockets [ 2038.963999] block nbd1: shutting down sockets [ 2038.970625] block nbd0: shutting down sockets [ 2038.997220] block nbd2: shutting down sockets 22:54:21 executing program 1: r0 = syz_open_dev$ndb(&(0x7f0000000000)='/dev/nbd#\x00', 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x13e) ioctl$NBD_SET_SOCK(r0, 0x127d, 0xffffffffffffffff) 22:54:21 executing program 0: r0 = syz_open_dev$ndb(&(0x7f0000000000)='/dev/nbd#\x00', 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x13e) ioctl$NBD_SET_SOCK(r0, 0x1269, 0xffffffffffffffff) 22:54:21 executing program 2: r0 = syz_open_dev$ndb(&(0x7f0000000000)='/dev/nbd#\x00', 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x13e) r2 = syz_open_dev$ndb(&(0x7f0000000140)='/dev/nbd#\x00', 0x0, 0x0) ioctl$NBD_CLEAR_SOCK(r2, 0xab04) ioctl$NBD_SET_SOCK(r0, 0x127d, 0xffffffffffffffff) 22:54:21 executing program 3: openat$snapshot(0xffffffffffffff9c, &(0x7f0000000000)='/dev/snapshot\x00', 0x0, 0x3) ioctl$SNDCTL_TMR_METRONOME(0xffffffffffffffff, 0x40045407) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)) r0 = openat$sequencer(0xffffffffffffff9c, &(0x7f0000000140)='/dev/sequencer\x00', 0x2, 0x0) ioctl$SNDCTL_SEQ_PANIC(r0, 0x5111) ioctl$SNDCTL_SEQ_RESET(r0, 0x5100) 22:54:21 executing program 4: openat$snapshot(0xffffffffffffff9c, &(0x7f0000000040)='/dev/snapshot\x00', 0x40181, 0xf6ffffff) 22:54:21 executing program 5: r0 = syz_open_dev$ndb(&(0x7f0000000000)='/dev/nbd#\x00', 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, 0x0) r1 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x48100) ioctl$NBD_SET_SOCK(r1, 0xab00, 0xffffffffffffffff) r2 = syz_open_dev$ndb(&(0x7f0000000140)='/dev/nbd#\x00', 0x0, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab03, 0xffffffffffffffff) ioctl$NBD_SET_SIZE_BLOCKS(r2, 0xab07, 0x5) [ 2039.114755] block nbd1: shutting down sockets [ 2039.137826] block nbd0: shutting down sockets [ 2039.137983] block nbd1: shutting down sockets [ 2039.151986] block nbd2: shutting down sockets [ 2039.160148] block nbd0: shutting down sockets 22:54:21 executing program 4: openat$snapshot(0xffffffffffffff9c, &(0x7f0000000040)='/dev/snapshot\x00', 0x40181, 0xfffffff6) 22:54:21 executing program 1: r0 = syz_open_dev$ndb(&(0x7f0000000000)='/dev/nbd#\x00', 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x13e) ioctl$NBD_SET_SOCK(r0, 0x127e, 0xffffffffffffffff) 22:54:21 executing program 0: r0 = syz_open_dev$ndb(&(0x7f0000000000)='/dev/nbd#\x00', 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x13e) ioctl$NBD_SET_SOCK(r0, 0x1274, 0xffffffffffffffff) [ 2039.199182] block nbd2: shutting down sockets 22:54:21 executing program 5: r0 = syz_open_dev$ndb(&(0x7f0000000000)='/dev/nbd#\x00', 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, 0x0) r1 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x48100) ioctl$NBD_SET_SOCK(r1, 0xab00, 0xffffffffffffffff) r2 = syz_open_dev$ndb(&(0x7f0000000140)='/dev/nbd#\x00', 0x0, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab03, 0xffffffffffffffff) ioctl$NBD_SET_SIZE_BLOCKS(r2, 0xab07, 0x5) 22:54:21 executing program 3: openat$snapshot(0xffffffffffffff9c, &(0x7f0000000000)='/dev/snapshot\x00', 0x0, 0x4) ioctl$SNDCTL_TMR_METRONOME(0xffffffffffffffff, 0x40045407) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)) r0 = openat$sequencer(0xffffffffffffff9c, &(0x7f0000000140)='/dev/sequencer\x00', 0x2, 0x0) ioctl$SNDCTL_SEQ_PANIC(r0, 0x5111) ioctl$SNDCTL_SEQ_RESET(r0, 0x5100) 22:54:21 executing program 2: r0 = syz_open_dev$ndb(&(0x7f0000000000)='/dev/nbd#\x00', 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x13e) r2 = syz_open_dev$ndb(&(0x7f0000000140)='/dev/nbd#\x00', 0x0, 0x0) ioctl$NBD_CLEAR_SOCK(r2, 0xab04) ioctl$NBD_SET_SOCK(r0, 0x127e, 0xffffffffffffffff) [ 2039.285094] block nbd1: shutting down sockets [ 2039.297034] block nbd1: shutting down sockets [ 2039.343466] block nbd0: shutting down sockets [ 2039.364984] block nbd0: shutting down sockets 22:54:21 executing program 1: r0 = syz_open_dev$ndb(&(0x7f0000000000)='/dev/nbd#\x00', 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x13e) ioctl$NBD_SET_SOCK(r0, 0x127f, 0xffffffffffffffff) [ 2039.386956] block nbd2: shutting down sockets 22:54:21 executing program 0: r0 = syz_open_dev$ndb(&(0x7f0000000000)='/dev/nbd#\x00', 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x13e) ioctl$NBD_SET_SOCK(r0, 0x1276, 0xffffffffffffffff) 22:54:21 executing program 5: r0 = syz_open_dev$ndb(&(0x7f0000000000)='/dev/nbd#\x00', 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) r2 = syz_open_dev$ndb(0x0, 0x0, 0x48100) ioctl$NBD_SET_SOCK(r2, 0xab00, r1) r3 = syz_open_dev$ndb(&(0x7f0000000140)='/dev/nbd#\x00', 0x0, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab03, 0xffffffffffffffff) ioctl$NBD_SET_SIZE_BLOCKS(r3, 0xab07, 0x5) [ 2039.445144] block nbd2: shutting down sockets 22:54:22 executing program 2: r0 = syz_open_dev$ndb(&(0x7f0000000000)='/dev/nbd#\x00', 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x13e) r2 = syz_open_dev$ndb(&(0x7f0000000140)='/dev/nbd#\x00', 0x0, 0x0) ioctl$NBD_CLEAR_SOCK(r2, 0xab04) ioctl$NBD_SET_SOCK(r0, 0x127f, 0xffffffffffffffff) 22:54:22 executing program 3: openat$snapshot(0xffffffffffffff9c, &(0x7f0000000000)='/dev/snapshot\x00', 0x0, 0x7) ioctl$SNDCTL_TMR_METRONOME(0xffffffffffffffff, 0x40045407) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)) r0 = openat$sequencer(0xffffffffffffff9c, &(0x7f0000000140)='/dev/sequencer\x00', 0x2, 0x0) ioctl$SNDCTL_SEQ_PANIC(r0, 0x5111) ioctl$SNDCTL_SEQ_RESET(r0, 0x5100) [ 2039.494393] block nbd1: shutting down sockets 22:54:22 executing program 4: openat$snapshot(0xffffffffffffff9c, &(0x7f0000000040)='/dev/snapshot\x00', 0x40181, 0x1000000000000) 22:54:22 executing program 5: r0 = syz_open_dev$ndb(&(0x7f0000000000)='/dev/nbd#\x00', 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) r2 = syz_open_dev$ndb(0x0, 0x0, 0x48100) ioctl$NBD_SET_SOCK(r2, 0xab00, r1) r3 = syz_open_dev$ndb(&(0x7f0000000140)='/dev/nbd#\x00', 0x0, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab03, 0xffffffffffffffff) ioctl$NBD_SET_SIZE_BLOCKS(r3, 0xab07, 0x5) [ 2039.524943] block nbd0: shutting down sockets [ 2039.529092] block nbd1: shutting down sockets [ 2039.537441] block nbd0: shutting down sockets [ 2039.580319] block nbd2: shutting down sockets 22:54:22 executing program 1: r0 = syz_open_dev$ndb(&(0x7f0000000000)='/dev/nbd#\x00', 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x13e) ioctl$NBD_SET_SOCK(r0, 0x5421, 0xffffffffffffffff) 22:54:22 executing program 0: r0 = syz_open_dev$ndb(&(0x7f0000000000)='/dev/nbd#\x00', 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x13e) ioctl$NBD_SET_SOCK(r0, 0x1277, 0xffffffffffffffff) [ 2039.610856] block nbd2: shutting down sockets 22:54:22 executing program 2: r0 = syz_open_dev$ndb(&(0x7f0000000000)='/dev/nbd#\x00', 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x13e) r2 = syz_open_dev$ndb(&(0x7f0000000140)='/dev/nbd#\x00', 0x0, 0x0) ioctl$NBD_CLEAR_SOCK(r2, 0xab04) ioctl$NBD_SET_SOCK(r0, 0x5421, 0xffffffffffffffff) 22:54:22 executing program 5: r0 = syz_open_dev$ndb(&(0x7f0000000000)='/dev/nbd#\x00', 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) r2 = syz_open_dev$ndb(0x0, 0x0, 0x48100) ioctl$NBD_SET_SOCK(r2, 0xab00, r1) r3 = syz_open_dev$ndb(&(0x7f0000000140)='/dev/nbd#\x00', 0x0, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab03, 0xffffffffffffffff) ioctl$NBD_SET_SIZE_BLOCKS(r3, 0xab07, 0x5) 22:54:22 executing program 3: openat$snapshot(0xffffffffffffff9c, &(0x7f0000000000)='/dev/snapshot\x00', 0x0, 0x300) ioctl$SNDCTL_TMR_METRONOME(0xffffffffffffffff, 0x40045407) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)) r0 = openat$sequencer(0xffffffffffffff9c, &(0x7f0000000140)='/dev/sequencer\x00', 0x2, 0x0) ioctl$SNDCTL_SEQ_PANIC(r0, 0x5111) ioctl$SNDCTL_SEQ_RESET(r0, 0x5100) 22:54:22 executing program 4: openat$snapshot(0xffffffffffffff9c, &(0x7f0000000040)='/dev/snapshot\x00', 0x40181, 0x100000000000000) [ 2039.716083] block nbd1: shutting down sockets [ 2039.724382] block nbd0: shutting down sockets [ 2039.737901] block nbd0: shutting down sockets [ 2039.741974] block nbd2: shutting down sockets [ 2039.751524] block nbd1: shutting down sockets [ 2039.764328] block nbd2: shutting down sockets 22:54:22 executing program 1: r0 = syz_open_dev$ndb(&(0x7f0000000000)='/dev/nbd#\x00', 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x13e) ioctl$NBD_SET_SOCK(r0, 0x5450, 0xffffffffffffffff) 22:54:22 executing program 0: r0 = syz_open_dev$ndb(&(0x7f0000000000)='/dev/nbd#\x00', 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x13e) ioctl$NBD_SET_SOCK(r0, 0x1278, 0xffffffffffffffff) 22:54:22 executing program 5: r0 = syz_open_dev$ndb(&(0x7f0000000000)='/dev/nbd#\x00', 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) r2 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) ioctl$NBD_SET_SOCK(r2, 0xab00, r1) r3 = syz_open_dev$ndb(&(0x7f0000000140)='/dev/nbd#\x00', 0x0, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab03, 0xffffffffffffffff) ioctl$NBD_SET_SIZE_BLOCKS(r3, 0xab07, 0x5) 22:54:22 executing program 2: r0 = syz_open_dev$ndb(&(0x7f0000000000)='/dev/nbd#\x00', 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x13e) r2 = syz_open_dev$ndb(&(0x7f0000000140)='/dev/nbd#\x00', 0x0, 0x0) ioctl$NBD_CLEAR_SOCK(r2, 0xab04) ioctl$NBD_SET_SOCK(r0, 0x5450, 0xffffffffffffffff) 22:54:22 executing program 4: openat$snapshot(0xffffffffffffff9c, &(0x7f0000000040)='/dev/snapshot\x00', 0x40181, 0x200000000000000) 22:54:22 executing program 3: openat$snapshot(0xffffffffffffff9c, &(0x7f0000000000)='/dev/snapshot\x00', 0x0, 0x700) ioctl$SNDCTL_TMR_METRONOME(0xffffffffffffffff, 0x40045407) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)) r0 = openat$sequencer(0xffffffffffffff9c, &(0x7f0000000140)='/dev/sequencer\x00', 0x2, 0x0) ioctl$SNDCTL_SEQ_PANIC(r0, 0x5111) ioctl$SNDCTL_SEQ_RESET(r0, 0x5100) [ 2039.899106] block nbd1: shutting down sockets [ 2039.917113] block nbd2: shutting down sockets [ 2039.919652] block nbd1: shutting down sockets [ 2039.941228] block nbd0: shutting down sockets 22:54:22 executing program 1: r0 = syz_open_dev$ndb(&(0x7f0000000000)='/dev/nbd#\x00', 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x13e) ioctl$NBD_SET_SOCK(r0, 0x5451, 0xffffffffffffffff) [ 2039.948534] block nbd2: shutting down sockets [ 2039.964442] block nbd0: shutting down sockets 22:54:22 executing program 2: r0 = syz_open_dev$ndb(&(0x7f0000000000)='/dev/nbd#\x00', 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x13e) r2 = syz_open_dev$ndb(&(0x7f0000000140)='/dev/nbd#\x00', 0x0, 0x0) ioctl$NBD_CLEAR_SOCK(r2, 0xab04) ioctl$NBD_SET_SOCK(r0, 0x5451, 0xffffffffffffffff) 22:54:22 executing program 0: r0 = syz_open_dev$ndb(&(0x7f0000000000)='/dev/nbd#\x00', 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x13e) ioctl$NBD_SET_SOCK(r0, 0x1279, 0xffffffffffffffff) 22:54:22 executing program 4: openat$snapshot(0xffffffffffffff9c, &(0x7f0000000040)='/dev/snapshot\x00', 0x40181, 0x300000000000000) 22:54:22 executing program 3: openat$snapshot(0xffffffffffffff9c, &(0x7f0000000000)='/dev/snapshot\x00', 0x0, 0x1000000) ioctl$SNDCTL_TMR_METRONOME(0xffffffffffffffff, 0x40045407) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)) r0 = openat$sequencer(0xffffffffffffff9c, &(0x7f0000000140)='/dev/sequencer\x00', 0x2, 0x0) ioctl$SNDCTL_SEQ_PANIC(r0, 0x5111) ioctl$SNDCTL_SEQ_RESET(r0, 0x5100) [ 2040.067397] block nbd1: shutting down sockets [ 2040.092651] block nbd1: shutting down sockets [ 2040.106544] block nbd2: shutting down sockets [ 2040.130170] block nbd0: shutting down sockets 22:54:22 executing program 1: r0 = syz_open_dev$ndb(&(0x7f0000000000)='/dev/nbd#\x00', 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x13e) ioctl$NBD_SET_SOCK(r0, 0x5452, 0xffffffffffffffff) [ 2040.140902] block nbd2: shutting down sockets [ 2040.157120] block nbd0: shutting down sockets 22:54:22 executing program 2: r0 = syz_open_dev$ndb(&(0x7f0000000000)='/dev/nbd#\x00', 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x13e) r2 = syz_open_dev$ndb(&(0x7f0000000140)='/dev/nbd#\x00', 0x0, 0x0) ioctl$NBD_CLEAR_SOCK(r2, 0xab04) ioctl$NBD_SET_SOCK(r0, 0x5452, 0xffffffffffffffff) 22:54:22 executing program 0: r0 = syz_open_dev$ndb(&(0x7f0000000000)='/dev/nbd#\x00', 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x13e) ioctl$NBD_SET_SOCK(r0, 0x127a, 0xffffffffffffffff) [ 2040.267412] block nbd1: shutting down sockets [ 2040.274756] block nbd2: shutting down sockets [ 2040.280953] block nbd0: shutting down sockets [ 2040.297786] block nbd0: shutting down sockets [ 2040.302687] block nbd1: shutting down sockets [ 2040.319395] block nbd2: shutting down sockets [ 2040.699441] block nbd5: Receive control failed (result -104) [ 2046.188822] block nbd5: Connection timed out [ 2046.193270] block nbd5: shutting down sockets [ 2046.197780] print_req_error: 179 callbacks suppressed [ 2046.197785] print_req_error: I/O error, dev nbd5, sector 0 [ 2046.208978] buffer_io_error: 210 callbacks suppressed [ 2046.208995] Buffer I/O error on dev nbd5, logical block 0, async page read [ 2046.222221] block nbd5: Connection timed out [ 2046.226639] print_req_error: I/O error, dev nbd5, sector 2 [ 2046.232660] Buffer I/O error on dev nbd5, logical block 1, async page read [ 2046.240194] block nbd5: Connection timed out [ 2046.244630] print_req_error: I/O error, dev nbd5, sector 4 [ 2046.251154] Buffer I/O error on dev nbd5, logical block 2, async page read [ 2046.258201] block nbd5: Connection timed out [ 2046.263430] print_req_error: I/O error, dev nbd5, sector 6 [ 2046.269186] Buffer I/O error on dev nbd5, logical block 3, async page read [ 2046.276723] print_req_error: I/O error, dev nbd5, sector 0 [ 2046.283527] Buffer I/O error on dev nbd5, logical block 0, async page read [ 2046.290781] print_req_error: I/O error, dev nbd5, sector 2 [ 2046.296487] Buffer I/O error on dev nbd5, logical block 1, async page read [ 2046.303610] Buffer I/O error on dev nbd5, logical block 2, async page read [ 2046.310766] Buffer I/O error on dev nbd5, logical block 3, async page read [ 2046.317953] print_req_error: I/O error, dev nbd5, sector 0 [ 2046.324013] Buffer I/O error on dev nbd5, logical block 0, async page read [ 2046.331393] print_req_error: I/O error, dev nbd5, sector 2 [ 2046.337022] Buffer I/O error on dev nbd5, logical block 1, async page read [ 2046.344870] print_req_error: I/O error, dev nbd5, sector 0 [ 2046.351132] print_req_error: I/O error, dev nbd5, sector 0 [ 2046.357775] ldm_validate_partition_table(): Disk read failed. [ 2046.368447] Dev nbd5: unable to read RDB block 0 [ 2046.374366] nbd5: unable to read partition table [ 2046.380108] nbd5: partition table beyond EOD, truncated 22:54:28 executing program 5: r0 = syz_open_dev$ndb(&(0x7f0000000000)='/dev/nbd#\x00', 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) ioctl$NBD_SET_SOCK(0xffffffffffffffff, 0xab00, r1) r2 = syz_open_dev$ndb(&(0x7f0000000140)='/dev/nbd#\x00', 0x0, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab03, 0xffffffffffffffff) ioctl$NBD_SET_SIZE_BLOCKS(r2, 0xab07, 0x5) 22:54:28 executing program 3: openat$snapshot(0xffffffffffffff9c, &(0x7f0000000000)='/dev/snapshot\x00', 0x0, 0x2000000) ioctl$SNDCTL_TMR_METRONOME(0xffffffffffffffff, 0x40045407) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)) r0 = openat$sequencer(0xffffffffffffff9c, &(0x7f0000000140)='/dev/sequencer\x00', 0x2, 0x0) ioctl$SNDCTL_SEQ_PANIC(r0, 0x5111) ioctl$SNDCTL_SEQ_RESET(r0, 0x5100) 22:54:28 executing program 4: openat$snapshot(0xffffffffffffff9c, &(0x7f0000000040)='/dev/snapshot\x00', 0x40181, 0x400000000000000) 22:54:28 executing program 0: r0 = syz_open_dev$ndb(&(0x7f0000000000)='/dev/nbd#\x00', 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x13e) ioctl$NBD_SET_SOCK(r0, 0x127b, 0xffffffffffffffff) 22:54:28 executing program 1: r0 = syz_open_dev$ndb(&(0x7f0000000000)='/dev/nbd#\x00', 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x13e) ioctl$NBD_SET_SOCK(r0, 0x5460, 0xffffffffffffffff) 22:54:28 executing program 2: r0 = syz_open_dev$ndb(&(0x7f0000000000)='/dev/nbd#\x00', 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x13e) r2 = syz_open_dev$ndb(&(0x7f0000000140)='/dev/nbd#\x00', 0x0, 0x0) ioctl$NBD_CLEAR_SOCK(r2, 0xab04) ioctl$NBD_SET_SOCK(r0, 0x5460, 0xffffffffffffffff) [ 2046.393808] ldm_validate_partition_table(): Disk read failed. [ 2046.401493] Dev nbd5: unable to read RDB block 0 [ 2046.407694] nbd5: unable to read partition table [ 2046.412656] nbd5: partition table beyond EOD, truncated [ 2046.477153] block nbd1: shutting down sockets [ 2046.480259] block nbd2: shutting down sockets [ 2046.497618] block nbd1: shutting down sockets [ 2046.506078] block nbd0: shutting down sockets [ 2046.512391] block nbd2: shutting down sockets 22:54:29 executing program 3: openat$snapshot(0xffffffffffffff9c, &(0x7f0000000000)='/dev/snapshot\x00', 0x0, 0x3000000) ioctl$SNDCTL_TMR_METRONOME(0xffffffffffffffff, 0x40045407) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)) r0 = openat$sequencer(0xffffffffffffff9c, &(0x7f0000000140)='/dev/sequencer\x00', 0x2, 0x0) ioctl$SNDCTL_SEQ_PANIC(r0, 0x5111) ioctl$SNDCTL_SEQ_RESET(r0, 0x5100) [ 2046.537549] block nbd0: shutting down sockets 22:54:29 executing program 1: r0 = syz_open_dev$ndb(&(0x7f0000000000)='/dev/nbd#\x00', 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x13e) ioctl$NBD_SET_SOCK(r0, 0xab00, 0xffffffffffffffff) 22:54:29 executing program 2: r0 = syz_open_dev$ndb(&(0x7f0000000000)='/dev/nbd#\x00', 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x13e) r2 = syz_open_dev$ndb(&(0x7f0000000140)='/dev/nbd#\x00', 0x0, 0x0) ioctl$NBD_CLEAR_SOCK(r2, 0xab04) ioctl$NBD_SET_SOCK(r0, 0xab00, 0xffffffffffffffff) 22:54:29 executing program 5: r0 = syz_open_dev$ndb(&(0x7f0000000000)='/dev/nbd#\x00', 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) ioctl$NBD_SET_SOCK(0xffffffffffffffff, 0xab00, r1) r2 = syz_open_dev$ndb(&(0x7f0000000140)='/dev/nbd#\x00', 0x0, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab03, 0xffffffffffffffff) ioctl$NBD_SET_SIZE_BLOCKS(r2, 0xab07, 0x5) 22:54:29 executing program 0: r0 = syz_open_dev$ndb(&(0x7f0000000000)='/dev/nbd#\x00', 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x13e) ioctl$NBD_SET_SOCK(r0, 0x127c, 0xffffffffffffffff) [ 2046.684634] block nbd1: shutting down sockets [ 2046.692799] block nbd2: shutting down sockets [ 2046.703653] block nbd1: shutting down sockets 22:54:29 executing program 1: r0 = syz_open_dev$ndb(&(0x7f0000000000)='/dev/nbd#\x00', 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x13e) ioctl$NBD_SET_SOCK(r0, 0xab01, 0xffffffffffffffff) 22:54:29 executing program 4: openat$snapshot(0xffffffffffffff9c, &(0x7f0000000040)='/dev/snapshot\x00', 0x40181, 0xf6ffffff00000000) [ 2046.726242] block nbd0: shutting down sockets [ 2046.735329] block nbd2: shutting down sockets [ 2046.758837] block nbd0: shutting down sockets 22:54:29 executing program 0: r0 = syz_open_dev$ndb(&(0x7f0000000000)='/dev/nbd#\x00', 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x13e) ioctl$NBD_SET_SOCK(r0, 0x127d, 0xffffffffffffffff) 22:54:29 executing program 5: r0 = syz_open_dev$ndb(&(0x7f0000000000)='/dev/nbd#\x00', 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) ioctl$NBD_SET_SOCK(0xffffffffffffffff, 0xab00, r1) r2 = syz_open_dev$ndb(&(0x7f0000000140)='/dev/nbd#\x00', 0x0, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab03, 0xffffffffffffffff) ioctl$NBD_SET_SIZE_BLOCKS(r2, 0xab07, 0x5) 22:54:29 executing program 3: openat$snapshot(0xffffffffffffff9c, &(0x7f0000000000)='/dev/snapshot\x00', 0x0, 0x4000000) ioctl$SNDCTL_TMR_METRONOME(0xffffffffffffffff, 0x40045407) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)) r0 = openat$sequencer(0xffffffffffffff9c, &(0x7f0000000140)='/dev/sequencer\x00', 0x2, 0x0) ioctl$SNDCTL_SEQ_PANIC(r0, 0x5111) ioctl$SNDCTL_SEQ_RESET(r0, 0x5100) 22:54:29 executing program 2: r0 = syz_open_dev$ndb(&(0x7f0000000000)='/dev/nbd#\x00', 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x13e) r2 = syz_open_dev$ndb(&(0x7f0000000140)='/dev/nbd#\x00', 0x0, 0x0) ioctl$NBD_CLEAR_SOCK(r2, 0xab04) ioctl$NBD_SET_SOCK(r0, 0xab01, 0xffffffffffffffff) [ 2046.871699] block nbd0: shutting down sockets [ 2046.881022] block nbd1: shutting down sockets [ 2046.887939] block nbd0: shutting down sockets [ 2046.903677] block nbd1: shutting down sockets 22:54:29 executing program 4: openat$snapshot(0xffffffffffffff9c, &(0x7f0000000040)='/dev/snapshot\x00', 0x40181, 0xffffffff00000000) [ 2046.929685] block nbd2: shutting down sockets 22:54:29 executing program 5: r0 = syz_open_dev$ndb(&(0x7f0000000000)='/dev/nbd#\x00', 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)) r1 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) ioctl$NBD_SET_SOCK(r1, 0xab00, 0xffffffffffffffff) r2 = syz_open_dev$ndb(&(0x7f0000000140)='/dev/nbd#\x00', 0x0, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab03, 0xffffffffffffffff) ioctl$NBD_SET_SIZE_BLOCKS(r2, 0xab07, 0x5) 22:54:29 executing program 0: r0 = syz_open_dev$ndb(&(0x7f0000000000)='/dev/nbd#\x00', 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x13e) ioctl$NBD_SET_SOCK(r0, 0x127e, 0xffffffffffffffff) 22:54:29 executing program 1: r0 = syz_open_dev$ndb(&(0x7f0000000000)='/dev/nbd#\x00', 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x13e) ioctl$NBD_SET_SOCK(r0, 0xab02, 0xffffffffffffffff) [ 2046.980128] block nbd2: shutting down sockets 22:54:29 executing program 3: openat$snapshot(0xffffffffffffff9c, &(0x7f0000000000)='/dev/snapshot\x00', 0x0, 0x7000000) ioctl$SNDCTL_TMR_METRONOME(0xffffffffffffffff, 0x40045407) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)) r0 = openat$sequencer(0xffffffffffffff9c, &(0x7f0000000140)='/dev/sequencer\x00', 0x2, 0x0) ioctl$SNDCTL_SEQ_PANIC(r0, 0x5111) ioctl$SNDCTL_SEQ_RESET(r0, 0x5100) 22:54:29 executing program 2: r0 = syz_open_dev$ndb(&(0x7f0000000000)='/dev/nbd#\x00', 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x13e) r2 = syz_open_dev$ndb(&(0x7f0000000140)='/dev/nbd#\x00', 0x0, 0x0) ioctl$NBD_CLEAR_SOCK(r2, 0xab04) ioctl$NBD_SET_SOCK(r0, 0xab02, 0xffffffffffffffff) [ 2047.049136] block nbd0: shutting down sockets [ 2047.055921] block nbd1: shutting down sockets [ 2047.078005] block nbd0: shutting down sockets [ 2047.087061] block nbd1: shutting down sockets 22:54:29 executing program 5: r0 = syz_open_dev$ndb(&(0x7f0000000000)='/dev/nbd#\x00', 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)) r1 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) ioctl$NBD_SET_SOCK(r1, 0xab00, 0xffffffffffffffff) r2 = syz_open_dev$ndb(&(0x7f0000000140)='/dev/nbd#\x00', 0x0, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab03, 0xffffffffffffffff) ioctl$NBD_SET_SIZE_BLOCKS(r2, 0xab07, 0x5) 22:54:29 executing program 0: r0 = syz_open_dev$ndb(&(0x7f0000000000)='/dev/nbd#\x00', 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x13e) ioctl$NBD_SET_SOCK(r0, 0x127f, 0xffffffffffffffff) 22:54:29 executing program 1: r0 = syz_open_dev$ndb(&(0x7f0000000000)='/dev/nbd#\x00', 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x13e) ioctl$NBD_SET_SOCK(r0, 0xab04, 0xffffffffffffffff) [ 2047.155399] block nbd2: shutting down sockets 22:54:29 executing program 3: openat$snapshot(0xffffffffffffff9c, &(0x7f0000000000)='/dev/snapshot\x00', 0x0, 0xf6ffffff) ioctl$SNDCTL_TMR_METRONOME(0xffffffffffffffff, 0x40045407) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)) r0 = openat$sequencer(0xffffffffffffff9c, &(0x7f0000000140)='/dev/sequencer\x00', 0x2, 0x0) ioctl$SNDCTL_SEQ_PANIC(r0, 0x5111) ioctl$SNDCTL_SEQ_RESET(r0, 0x5100) [ 2047.207086] block nbd2: shutting down sockets 22:54:29 executing program 5: r0 = syz_open_dev$ndb(&(0x7f0000000000)='/dev/nbd#\x00', 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)) r1 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) ioctl$NBD_SET_SOCK(r1, 0xab00, 0xffffffffffffffff) r2 = syz_open_dev$ndb(&(0x7f0000000140)='/dev/nbd#\x00', 0x0, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab03, 0xffffffffffffffff) ioctl$NBD_SET_SIZE_BLOCKS(r2, 0xab07, 0x5) 22:54:29 executing program 4: r0 = openat$snapshot(0xffffffffffffff9c, &(0x7f0000000040)='/dev/snapshot\x00', 0x40181, 0x0) ioctl$SNAPSHOT_UNFREEZE(r0, 0x3302) openat$fb0(0xffffffffffffff9c, &(0x7f0000000000)='/dev/fb0\x00', 0x145000, 0x0) 22:54:29 executing program 2: r0 = syz_open_dev$ndb(&(0x7f0000000000)='/dev/nbd#\x00', 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x13e) r2 = syz_open_dev$ndb(&(0x7f0000000140)='/dev/nbd#\x00', 0x0, 0x0) ioctl$NBD_CLEAR_SOCK(r2, 0xab04) ioctl$NBD_SET_SOCK(r0, 0xab04, 0xffffffffffffffff) [ 2047.246466] block nbd0: shutting down sockets [ 2047.255377] block nbd1: shutting down sockets [ 2047.266416] block nbd0: shutting down sockets [ 2047.285002] block nbd1: shutting down sockets 22:54:29 executing program 0: r0 = syz_open_dev$ndb(&(0x7f0000000000)='/dev/nbd#\x00', 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x13e) ioctl$NBD_SET_SOCK(r0, 0x5421, 0xffffffffffffffff) 22:54:29 executing program 3: openat$snapshot(0xffffffffffffff9c, &(0x7f0000000000)='/dev/snapshot\x00', 0x0, 0xfffffff6) ioctl$SNDCTL_TMR_METRONOME(0xffffffffffffffff, 0x40045407) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)) r0 = openat$sequencer(0xffffffffffffff9c, &(0x7f0000000140)='/dev/sequencer\x00', 0x2, 0x0) ioctl$SNDCTL_SEQ_PANIC(r0, 0x5111) ioctl$SNDCTL_SEQ_RESET(r0, 0x5100) 22:54:29 executing program 1: r0 = syz_open_dev$ndb(&(0x7f0000000000)='/dev/nbd#\x00', 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x13e) ioctl$NBD_SET_SOCK(r0, 0xab05, 0xffffffffffffffff) [ 2047.403545] block nbd0: shutting down sockets [ 2047.420799] block nbd0: shutting down sockets [ 2047.428227] block nbd2: shutting down sockets 22:54:29 executing program 5: r0 = syz_open_dev$ndb(&(0x7f0000000000)='/dev/nbd#\x00', 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) r2 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) ioctl$NBD_SET_SOCK(r2, 0xab00, r1) r3 = syz_open_dev$ndb(0x0, 0x0, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab03, 0xffffffffffffffff) ioctl$NBD_SET_SIZE_BLOCKS(r3, 0xab07, 0x5) [ 2047.454691] block nbd2: shutting down sockets 22:54:30 executing program 2: r0 = syz_open_dev$ndb(&(0x7f0000000000)='/dev/nbd#\x00', 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x13e) r2 = syz_open_dev$ndb(&(0x7f0000000140)='/dev/nbd#\x00', 0x0, 0x0) ioctl$NBD_CLEAR_SOCK(r2, 0xab04) ioctl$NBD_SET_SOCK(r0, 0xab05, 0xffffffffffffffff) 22:54:30 executing program 0: r0 = syz_open_dev$ndb(&(0x7f0000000000)='/dev/nbd#\x00', 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x13e) ioctl$NBD_SET_SOCK(r0, 0x5450, 0xffffffffffffffff) [ 2047.522044] block nbd1: shutting down sockets 22:54:30 executing program 3: openat$snapshot(0xffffffffffffff9c, &(0x7f0000000000)='/dev/snapshot\x00', 0x0, 0x1000000000000) ioctl$SNDCTL_TMR_METRONOME(0xffffffffffffffff, 0x40045407) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)) r0 = openat$sequencer(0xffffffffffffff9c, &(0x7f0000000140)='/dev/sequencer\x00', 0x2, 0x0) ioctl$SNDCTL_SEQ_PANIC(r0, 0x5111) ioctl$SNDCTL_SEQ_RESET(r0, 0x5100) 22:54:30 executing program 4: openat$snapshot(0xffffffffffffff9c, &(0x7f0000000000)='/dev/snapshot\x00', 0x40181, 0x0) r0 = openat$dlm_control(0xffffffffffffff9c, &(0x7f0000000040)='/dev/dlm-control\x00', 0x82, 0x0) read$FUSE(r0, &(0x7f00000005c0)={0x2020, 0x0, 0x0, 0x0}, 0x2020) syz_mount_image$hpfs(&(0x7f00000000c0)='hpfs\x00', &(0x7f0000000100)='./file0\x00', 0x0, 0x6, &(0x7f0000000500)=[{&(0x7f0000000140)="968d2738e16541c7a09f5cbb770f8ec32fa7ed99c5872a985e7f997ad8b2669ca96baa7d5074227a6f7099a427e1295b1abb881a2b347081be97e8a8d872303ec6b0a768ccda0095365547d61fc75882c2fefa14759da14137acbbce59c371a780617c40b165b325030887a8efbd724a9171044ad11410a1e1e705976e48ab2e67d020b21c9ac69fd87b93650e14c460928166fe43497e24ff538274cb4117f460ad", 0xa2, 0x7}, {&(0x7f0000000200)="d815e55c7913e204c7925563cb392cefb42d368e1e0518c83690e4180bdccaf517a824ebc02f8166f7f1430094980186cc78f474a6f6ea2c3cca56f6d81b69c527606da4f2c357273123dc5669b2c3553355487b477b256b4cee5ef65b54ef8e20a5bf7e84fe71deee36ccf185ca958535a9d139a6f3469af25f540ef1b822ede61492994d313c150fb28938ac94373233bc6d9de78a9827bed4ef6a018c", 0x9e, 0x6}, {&(0x7f00000002c0)="fa69b5dbf2f44951fea1afd85ffe5912ad20925b4017c2c4459707a309332fa531fb11226ee7af053f8c493d3ca05aa2ba154a2614a2c02a00344b76dd0f81c1bc39da21184cab06b0c28c3fe71e97756346f5aa7d5a8a38f232892d35dbc2155c719290b7982962bd2bf8015c7e003f3a8e6d3697541701377eeff44004f6df56609e8545f2306e97dbc68dc4ab738fe70cea80650cc14314cbb5d0a97cc20bdb591a6fa499fe697f", 0xa9, 0x6}, {&(0x7f0000000380)="c6e221a06a85d80e691881f12bb400b9666b930f0f93f88a781439bb44f1e406fe3ca194f8c6b51a4a7b1c431d4c702ab10808464b4cd5809a44b76f3ed595f873fcd03c6c61cfc631", 0x49, 0x1}, {&(0x7f0000000400)="23801e75fe1a3d964ee30c538110c76b4b90f7dd13d3598a199e410b94d60ee8d5ddc780f5069fec5d", 0x29, 0x7}, {&(0x7f0000000440)="41db67bba0be5bd280aefce3e1638283fed4d0d34040d631acbfcc341eb681b20083e9818ae426ab9ce717d31606e6f0f82545f0bff2f72c7929df45fc8f9f34bdddd20ed169fedd87c13480a94c3b728acb007180696927a31866f58baf4ca20ebd31be37628df60d705759f3d3c037f0798d507fa8554067141f374474bdd9003c064e0fbe2336a41de07cddb630e62bcba9b4f6", 0x95, 0x80000001}], 0x2, &(0x7f0000002600)={[{'/dev/dlm-control\x00'}, {'/dev/dlm-control\x00'}, {'$-\\^'}, {'{7]\''}, {'/dev/snapshot\x00'}, {'#+./[#*#'}], [{@obj_type={'obj_type', 0x3d, '/@'}}, {@obj_type={'obj_type', 0x3d, '.[\x9e!:{'}}, {@obj_type={'obj_type'}}, {@rootcontext={'rootcontext', 0x3d, 'user_u'}}, {@hash='hash'}, {@fowner_eq={'fowner', 0x3d, r1}}]}) ioctl$mixer_OSS_GETVERSION(r0, 0x80044d76, &(0x7f0000000080)) [ 2047.549081] block nbd1: shutting down sockets [ 2047.594661] block nbd2: shutting down sockets 22:54:30 executing program 1: r0 = syz_open_dev$ndb(&(0x7f0000000000)='/dev/nbd#\x00', 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x13e) ioctl$NBD_SET_SOCK(r0, 0xab06, 0xffffffffffffffff) [ 2047.617089] block nbd2: shutting down sockets [ 2047.625305] block nbd0: shutting down sockets [ 2047.641898] block nbd0: shutting down sockets 22:54:30 executing program 2: r0 = syz_open_dev$ndb(&(0x7f0000000000)='/dev/nbd#\x00', 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x13e) r2 = syz_open_dev$ndb(&(0x7f0000000140)='/dev/nbd#\x00', 0x0, 0x0) ioctl$NBD_CLEAR_SOCK(r2, 0xab04) ioctl$NBD_SET_SOCK(r0, 0xab06, 0xffffffffffffffff) 22:54:30 executing program 3: openat$snapshot(0xffffffffffffff9c, &(0x7f0000000000)='/dev/snapshot\x00', 0x0, 0x100000000000000) ioctl$SNDCTL_TMR_METRONOME(0xffffffffffffffff, 0x40045407) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)) r0 = openat$sequencer(0xffffffffffffff9c, &(0x7f0000000140)='/dev/sequencer\x00', 0x2, 0x0) ioctl$SNDCTL_SEQ_PANIC(r0, 0x5111) ioctl$SNDCTL_SEQ_RESET(r0, 0x5100) 22:54:30 executing program 0: r0 = syz_open_dev$ndb(&(0x7f0000000000)='/dev/nbd#\x00', 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x13e) ioctl$NBD_SET_SOCK(r0, 0x5451, 0xffffffffffffffff) [ 2047.729826] block nbd1: shutting down sockets [ 2047.742655] block nbd1: shutting down sockets [ 2047.764171] block nbd2: shutting down sockets 22:54:30 executing program 1: r0 = syz_open_dev$ndb(&(0x7f0000000000)='/dev/nbd#\x00', 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x13e) ioctl$NBD_SET_SOCK(r0, 0xab07, 0xffffffffffffffff) [ 2047.783266] hpfs: bad mount options. [ 2047.786157] block nbd0: shutting down sockets [ 2047.797097] block nbd2: shutting down sockets [ 2047.801399] block nbd0: shutting down sockets 22:54:30 executing program 3: openat$snapshot(0xffffffffffffff9c, &(0x7f0000000000)='/dev/snapshot\x00', 0x0, 0x200000000000000) ioctl$SNDCTL_TMR_METRONOME(0xffffffffffffffff, 0x40045407) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)) r0 = openat$sequencer(0xffffffffffffff9c, &(0x7f0000000140)='/dev/sequencer\x00', 0x2, 0x0) ioctl$SNDCTL_SEQ_PANIC(r0, 0x5111) ioctl$SNDCTL_SEQ_RESET(r0, 0x5100) 22:54:30 executing program 0: r0 = syz_open_dev$ndb(&(0x7f0000000000)='/dev/nbd#\x00', 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x13e) ioctl$NBD_SET_SOCK(r0, 0x5452, 0xffffffffffffffff) [ 2047.902735] block nbd1: shutting down sockets [ 2047.914205] block nbd1: shutting down sockets [ 2048.006685] block nbd0: shutting down sockets [ 2048.013495] block nbd0: shutting down sockets 22:54:30 executing program 5: r0 = syz_open_dev$ndb(&(0x7f0000000000)='/dev/nbd#\x00', 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) r2 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) ioctl$NBD_SET_SOCK(r2, 0xab00, r1) r3 = syz_open_dev$ndb(0x0, 0x0, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab03, 0xffffffffffffffff) ioctl$NBD_SET_SIZE_BLOCKS(r3, 0xab07, 0x5) 22:54:30 executing program 2: r0 = syz_open_dev$ndb(&(0x7f0000000000)='/dev/nbd#\x00', 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x13e) r2 = syz_open_dev$ndb(&(0x7f0000000140)='/dev/nbd#\x00', 0x0, 0x0) ioctl$NBD_CLEAR_SOCK(r2, 0xab04) ioctl$NBD_SET_SOCK(r0, 0xab07, 0xffffffffffffffff) 22:54:30 executing program 4: openat$snapshot(0xffffffffffffff9c, &(0x7f0000000040)='/dev/snapshot\x00', 0x40181, 0x0) r0 = syz_open_dev$dri(&(0x7f0000000000)='/dev/dri/card#\x00', 0x60f2, 0x10000) ioctl$BTRFS_IOC_BALANCE_V2(r0, 0xc4009420, &(0x7f0000000080)={0x1f, 0x3, {0x6, @struct={0x831f, 0x5}, 0x0, 0x100000001, 0x7fff, 0xffff, 0x0, 0x9, 0x88, @struct={0xfbed, 0x8}, 0x6, 0xdd, [0x0, 0x9, 0x7, 0x6, 0xffff, 0x1]}, {0x3, @usage=0x7fff, 0x0, 0x6, 0xaf0b, 0xe5d, 0x2, 0x3, 0x481, @usage=0x7f, 0x4e09e2a9, 0xe23, [0x8, 0x9, 0x9, 0xa8, 0x4, 0x8]}, {0x20, @struct={0x52a, 0xd94d}, 0x0, 0x1000, 0x6, 0x7, 0x7, 0xe00, 0x40, @usage=0x760, 0xffffffff, 0x1, [0x1, 0x8, 0x8, 0x3ff, 0xfffffffffffffffd, 0x472a]}, {0x2, 0x8000, 0xf3}}) 22:54:30 executing program 3: openat$snapshot(0xffffffffffffff9c, &(0x7f0000000000)='/dev/snapshot\x00', 0x0, 0x300000000000000) ioctl$SNDCTL_TMR_METRONOME(0xffffffffffffffff, 0x40045407) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)) r0 = openat$sequencer(0xffffffffffffff9c, &(0x7f0000000140)='/dev/sequencer\x00', 0x2, 0x0) ioctl$SNDCTL_SEQ_PANIC(r0, 0x5111) ioctl$SNDCTL_SEQ_RESET(r0, 0x5100) 22:54:30 executing program 1: r0 = syz_open_dev$ndb(&(0x7f0000000000)='/dev/nbd#\x00', 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x13e) ioctl$NBD_SET_SOCK(r0, 0xab08, 0xffffffffffffffff) 22:54:30 executing program 0: r0 = syz_open_dev$ndb(&(0x7f0000000000)='/dev/nbd#\x00', 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x13e) ioctl$NBD_SET_SOCK(r0, 0x5460, 0xffffffffffffffff) [ 2048.360276] block nbd5: Receive control failed (result -32) [ 2048.366404] block nbd5: shutting down sockets [ 2048.399423] block nbd2: shutting down sockets [ 2048.417508] block nbd2: shutting down sockets 22:54:31 executing program 2: r0 = syz_open_dev$ndb(&(0x7f0000000000)='/dev/nbd#\x00', 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x13e) r2 = syz_open_dev$ndb(&(0x7f0000000140)='/dev/nbd#\x00', 0x0, 0x0) ioctl$NBD_CLEAR_SOCK(r2, 0xab04) ioctl$NBD_SET_SOCK(r0, 0xab08, 0xffffffffffffffff) [ 2048.440203] block nbd1: NBD_DISCONNECT [ 2048.459447] block nbd1: Disconnected due to user request. [ 2048.465113] block nbd1: shutting down sockets [ 2048.483675] block nbd0: shutting down sockets 22:54:31 executing program 3: openat$snapshot(0xffffffffffffff9c, &(0x7f0000000000)='/dev/snapshot\x00', 0x0, 0x400000000000000) ioctl$SNDCTL_TMR_METRONOME(0xffffffffffffffff, 0x40045407) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)) r0 = openat$sequencer(0xffffffffffffff9c, &(0x7f0000000140)='/dev/sequencer\x00', 0x2, 0x0) ioctl$SNDCTL_SEQ_PANIC(r0, 0x5111) ioctl$SNDCTL_SEQ_RESET(r0, 0x5100) [ 2048.494564] block nbd1: NBD_DISCONNECT [ 2048.503179] block nbd1: Disconnected due to user request. [ 2048.516886] block nbd0: shutting down sockets [ 2048.529460] block nbd1: shutting down sockets [ 2048.564585] block nbd2: shutting down sockets 22:54:31 executing program 0: r0 = syz_open_dev$ndb(&(0x7f0000000000)='/dev/nbd#\x00', 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x13e) ioctl$NBD_SET_SOCK(r0, 0xab00, 0xffffffffffffffff) 22:54:31 executing program 1: r0 = syz_open_dev$ndb(&(0x7f0000000000)='/dev/nbd#\x00', 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x13e) ioctl$NBD_SET_SOCK(r0, 0xab09, 0xffffffffffffffff) [ 2048.587389] block nbd2: NBD_DISCONNECT [ 2048.619357] block nbd2: Send disconnect failed -32 22:54:31 executing program 4: openat$snapshot(0xffffffffffffff9c, &(0x7f0000000000)='/dev/snapshot\x00', 0x40a00, 0x0) 22:54:31 executing program 3: openat$snapshot(0xffffffffffffff9c, &(0x7f0000000000)='/dev/snapshot\x00', 0x0, 0x700000000000000) ioctl$SNDCTL_TMR_METRONOME(0xffffffffffffffff, 0x40045407) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)) r0 = openat$sequencer(0xffffffffffffff9c, &(0x7f0000000140)='/dev/sequencer\x00', 0x2, 0x0) ioctl$SNDCTL_SEQ_PANIC(r0, 0x5111) ioctl$SNDCTL_SEQ_RESET(r0, 0x5100) [ 2048.651758] block nbd2: shutting down sockets [ 2048.657528] block nbd2: NBD_DISCONNECT [ 2048.672482] block nbd0: shutting down sockets [ 2048.690428] block nbd2: Send disconnect failed -32 [ 2048.692819] block nbd0: shutting down sockets [ 2048.738445] block nbd1: shutting down sockets [ 2048.752599] block nbd1: shutting down sockets 22:54:31 executing program 5: r0 = syz_open_dev$ndb(&(0x7f0000000000)='/dev/nbd#\x00', 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) r2 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) ioctl$NBD_SET_SOCK(r2, 0xab00, r1) r3 = syz_open_dev$ndb(0x0, 0x0, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab03, 0xffffffffffffffff) ioctl$NBD_SET_SIZE_BLOCKS(r3, 0xab07, 0x5) 22:54:31 executing program 0: r0 = syz_open_dev$ndb(&(0x7f0000000000)='/dev/nbd#\x00', 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x13e) ioctl$NBD_SET_SOCK(r0, 0xab01, 0xffffffffffffffff) 22:54:31 executing program 2: r0 = syz_open_dev$ndb(&(0x7f0000000000)='/dev/nbd#\x00', 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x13e) r2 = syz_open_dev$ndb(&(0x7f0000000140)='/dev/nbd#\x00', 0x0, 0x0) ioctl$NBD_CLEAR_SOCK(r2, 0xab04) ioctl$NBD_SET_SOCK(r0, 0xab09, 0xffffffffffffffff) 22:54:31 executing program 3: openat$snapshot(0xffffffffffffff9c, &(0x7f0000000000)='/dev/snapshot\x00', 0x0, 0xf6ffffff00000000) ioctl$SNDCTL_TMR_METRONOME(0xffffffffffffffff, 0x40045407) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)) r0 = openat$sequencer(0xffffffffffffff9c, &(0x7f0000000140)='/dev/sequencer\x00', 0x2, 0x0) ioctl$SNDCTL_SEQ_PANIC(r0, 0x5111) ioctl$SNDCTL_SEQ_RESET(r0, 0x5100) 22:54:31 executing program 1: r0 = syz_open_dev$ndb(&(0x7f0000000000)='/dev/nbd#\x00', 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x13e) ioctl$NBD_SET_SOCK(r0, 0xab0a, 0xffffffffffffffff) 22:54:31 executing program 4: r0 = openat$sequencer2(0xffffffffffffff9c, &(0x7f0000000000)='/dev/sequencer2\x00', 0x0, 0x0) openat$sequencer(0xffffffffffffff9c, &(0x7f0000000240)='/dev/sequencer\x00', 0x20200, 0x0) r1 = openat$sequencer2(0xffffffffffffff9c, &(0x7f0000000280)='/dev/sequencer2\x00', 0x111002, 0x0) ioctl$SNDCTL_SEQ_GETINCOUNT(r1, 0x80045105, &(0x7f00000002c0)) ioctl$SNDCTL_TMR_TEMPO(r0, 0xc0045405, &(0x7f0000000080)=0x4f) r2 = openat$dlm_control(0xffffffffffffff9c, &(0x7f00000000c0)='/dev/dlm-control\x00', 0x0, 0x0) ioctl$SNDCTL_SEQ_RESETSAMPLES(r2, 0x40045109, &(0x7f0000000100)=0x2a1b36fd) ioctl$KVM_HAS_DEVICE_ATTR(r2, 0x4018aee3, &(0x7f0000000180)={0x0, 0x6, 0x2, &(0x7f0000000140)=0xfc0}) r3 = openat$sequencer(0xffffffffffffff9c, &(0x7f0000000200)='/dev/sequencer\x00', 0x20, 0x0) ioctl$SNDCTL_SEQ_SYNC(r3, 0x5101) r4 = openat$dlm_control(0xffffffffffffff9c, &(0x7f0000000000)='/dev/dlm-control\x00', 0x0, 0x0) ioctl$SNDRV_PCM_IOCTL_XRUN(r4, 0x4148, 0x0) bind$vsock_dgram(r4, &(0x7f00000001c0)={0x28, 0x0, 0x2710, @host}, 0x10) [ 2049.315278] block nbd5: Receive control failed (result -32) [ 2049.315457] block nbd5: shutting down sockets [ 2049.377229] block nbd2: shutting down sockets [ 2049.390686] block nbd1: shutting down sockets [ 2049.402497] block nbd1: shutting down sockets [ 2049.414126] block nbd2: shutting down sockets 22:54:31 executing program 3: openat$snapshot(0xffffffffffffff9c, &(0x7f0000000000)='/dev/snapshot\x00', 0x0, 0x0) ioctl$SNDCTL_TMR_METRONOME(0xffffffffffffffff, 0x40045407) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)) r0 = openat$sequencer(0xffffffffffffff9c, &(0x7f0000000140)='/dev/sequencer\x00', 0x2, 0x0) ioctl$SNDCTL_SEQ_PANIC(r0, 0x5111) ioctl$SNDCTL_SEQ_RESET(r0, 0x5100) r1 = syz_open_dev$sndpcmp(&(0x7f0000000080)='/dev/snd/pcmC#D#p\x00', 0x9, 0x1) ioctl$SNDRV_PCM_IOCTL_WRITEI_FRAMES(r1, 0x40184150, &(0x7f0000000100)={0x0, &(0x7f00000000c0)="9cc654802a8b67687b0e1290bf20", 0xe}) 22:54:32 executing program 1: r0 = syz_open_dev$ndb(&(0x7f0000000000)='/dev/nbd#\x00', 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x13e) ioctl$NBD_SET_SOCK(r0, 0x40049409, 0xffffffffffffffff) [ 2049.424392] block nbd0: shutting down sockets [ 2049.441753] block nbd0: shutting down sockets 22:54:32 executing program 2: r0 = syz_open_dev$ndb(&(0x7f0000000000)='/dev/nbd#\x00', 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x13e) r2 = syz_open_dev$ndb(&(0x7f0000000140)='/dev/nbd#\x00', 0x0, 0x0) ioctl$NBD_CLEAR_SOCK(r2, 0xab04) ioctl$NBD_SET_SOCK(r0, 0xab0a, 0xffffffffffffffff) 22:54:32 executing program 0: r0 = syz_open_dev$ndb(&(0x7f0000000000)='/dev/nbd#\x00', 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x13e) ioctl$NBD_SET_SOCK(r0, 0xab02, 0xffffffffffffffff) 22:54:32 executing program 4: openat$snapshot(0xffffffffffffff9c, &(0x7f0000000040)='/dev/snapshot\x00', 0x10000, 0x0) r0 = openat$dlm_control(0xffffffffffffff9c, &(0x7f0000000000)='/dev/dlm-control\x00', 0x0, 0x0) ioctl$SNDRV_PCM_IOCTL_XRUN(r0, 0x4148, 0x0) ioctl$SNAPSHOT_UNFREEZE(r0, 0x3302) r1 = openat$snapshot(0xffffffffffffff9c, &(0x7f0000000000)='/dev/snapshot\x00', 0x402000, 0x0) r2 = openat$dlm_control(0xffffffffffffff9c, &(0x7f0000000000)='/dev/dlm-control\x00', 0x0, 0x0) ioctl$SNDRV_PCM_IOCTL_XRUN(r2, 0x4148, 0x0) ioctl$BTRFS_IOC_BALANCE_V2(r1, 0xc4009420, &(0x7f0000000100)={0x1, 0x1, {0x8, @struct={0x1004, 0x7e}, 0x0, 0x2d0, 0x80000001, 0x4, 0x401, 0x43, 0x2, @struct={0x4, 0x7ff}, 0x6, 0x6, [0x100, 0x6, 0x8000, 0x1, 0x2, 0x2]}, {0xfffffffffffffffe, @struct={0x3, 0x80000001}, 0x0, 0x9, 0xf1d, 0xfffffffffffffff7, 0x7, 0x1ac3, 0x29, @usage=0x400, 0x2, 0x47, [0x7, 0x6, 0x7f, 0x2181, 0xe69, 0x5]}, {0x0, @struct={0x7ff, 0x1000}, 0x0, 0x2, 0x400, 0x3, 0x9, 0x70b, 0xd4, @usage=0x7, 0xff, 0x4, [0x8, 0x3ff, 0x8da, 0x0, 0xfffffffffffffffd, 0x8]}, {0x0, 0x4, 0x7fffffff}}) ioctl$mixer_OSS_GETVERSION(r2, 0x80044d76, &(0x7f00000009c0)) ioctl$SNDCTL_SEQ_NRSYNTHS(r2, 0x8004510a, &(0x7f0000000900)) ioctl$BTRFS_IOC_SCRUB_PROGRESS(r1, 0xc400941d, &(0x7f0000000500)={r3, 0x800, 0x81}) r4 = openat$sequencer(0xffffffffffffff9c, &(0x7f0000000980)='/dev/sequencer\x00', 0x0, 0x0) ioctl$SNDCTL_SEQ_PANIC(r4, 0x5111) r5 = openat$snapshot(0xffffffffffffff9c, &(0x7f0000000940)='/dev/snapshot\x00', 0x20000, 0x0) ioctl$SNAPSHOT_S2RAM(r5, 0x330b) ioctl$SNDCTL_TMR_METRONOME(r4, 0x40045407) ioctl$SNAPSHOT_AVAIL_SWAP_SIZE(r2, 0x80083313, &(0x7f00000000c0)) ioctl$SNAPSHOT_AVAIL_SWAP_SIZE(r1, 0x80083313, &(0x7f0000000080)) 22:54:32 executing program 3: openat$snapshot(0xffffffffffffff9c, &(0x7f0000000000)='/dev/snapshot\x00', 0x0, 0x0) ioctl$SNDCTL_TMR_METRONOME(0xffffffffffffffff, 0x40045407) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)) r0 = openat$sequencer(0xffffffffffffff9c, &(0x7f0000000080)='/dev/sequencer\x00', 0x400000, 0x0) ioctl$SNDCTL_SEQ_PANIC(r0, 0x5111) ioctl$SNDCTL_SEQ_RESET(r0, 0x5100) [ 2049.567095] block nbd1: shutting down sockets [ 2049.579172] block nbd0: shutting down sockets [ 2049.587846] block nbd1: shutting down sockets [ 2049.595198] block nbd2: shutting down sockets [ 2049.612486] block nbd0: shutting down sockets [ 2049.642441] block nbd2: shutting down sockets 22:54:32 executing program 5: syz_open_dev$ndb(&(0x7f0000000000)='/dev/nbd#\x00', 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) r1 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) ioctl$NBD_SET_SOCK(r1, 0xab00, r0) r2 = syz_open_dev$ndb(&(0x7f0000000140)='/dev/nbd#\x00', 0x0, 0x0) ioctl$NBD_SET_SOCK(0xffffffffffffffff, 0xab03, 0xffffffffffffffff) ioctl$NBD_SET_SIZE_BLOCKS(r2, 0xab07, 0x5) 22:54:32 executing program 1: r0 = syz_open_dev$ndb(&(0x7f0000000000)='/dev/nbd#\x00', 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x13e) ioctl$NBD_SET_SOCK(r0, 0x40081271, 0xffffffffffffffff) 22:54:32 executing program 4: ioctl$NBD_SET_TIMEOUT(0xffffffffffffffff, 0xab09, 0x1f) openat$snapshot(0xffffffffffffff9c, &(0x7f0000000040)='/dev/snapshot\x00', 0x600, 0x0) r0 = openat$dlm_control(0xffffffffffffff9c, &(0x7f0000000000)='/dev/dlm-control\x00', 0x0, 0x0) ioctl$SNDRV_PCM_IOCTL_XRUN(r0, 0x4148, 0x0) ioctl$NBD_CLEAR_SOCK(r0, 0xab04) 22:54:32 executing program 0: r0 = syz_open_dev$ndb(&(0x7f0000000000)='/dev/nbd#\x00', 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x13e) ioctl$NBD_SET_SOCK(r0, 0xab04, 0xffffffffffffffff) 22:54:32 executing program 2: r0 = syz_open_dev$ndb(&(0x7f0000000000)='/dev/nbd#\x00', 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x13e) r2 = syz_open_dev$ndb(&(0x7f0000000140)='/dev/nbd#\x00', 0x0, 0x0) ioctl$NBD_CLEAR_SOCK(r2, 0xab04) ioctl$NBD_SET_SOCK(r0, 0x40049409, 0xffffffffffffffff) 22:54:32 executing program 3: openat$snapshot(0xffffffffffffff9c, &(0x7f0000000080)='/dev/snapshot\x00', 0x0, 0x0) r0 = openat$sequencer(0xffffffffffffff9c, &(0x7f0000000140)='/dev/sequencer\x00', 0x2, 0x0) ioctl$SNDCTL_SEQ_PANIC(r0, 0x5111) ioctl$SNDCTL_FM_LOAD_INSTR(r0, 0x40285107) ioctl$SNDCTL_TMR_METRONOME(0xffffffffffffffff, 0x40045407) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)) r1 = openat$sequencer(0xffffffffffffff9c, &(0x7f0000000140)='/dev/sequencer\x00', 0x2, 0x0) ioctl$SNDCTL_SEQ_PANIC(r1, 0x5111) ioctl$SNDCTL_SEQ_RESET(r1, 0x5100) [ 2050.275770] block nbd5: Receive control failed (result -32) [ 2050.275966] block nbd5: shutting down sockets [ 2050.359398] block nbd2: shutting down sockets [ 2050.370678] block nbd0: shutting down sockets [ 2050.375471] block nbd1: shutting down sockets [ 2050.386527] block nbd5: shutting down sockets [ 2050.402302] block nbd1: shutting down sockets 22:54:32 executing program 4: ioctl$SNDRV_PCM_IOCTL_UNLINK(0xffffffffffffffff, 0x4161, 0x0) openat$snapshot(0xffffffffffffff9c, &(0x7f0000000040)='/dev/snapshot\x00', 0x40181, 0x0) [ 2050.416019] block nbd2: shutting down sockets [ 2050.424321] block nbd0: shutting down sockets 22:54:33 executing program 2: r0 = syz_open_dev$ndb(&(0x7f0000000000)='/dev/nbd#\x00', 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x13e) r2 = syz_open_dev$ndb(&(0x7f0000000140)='/dev/nbd#\x00', 0x0, 0x0) ioctl$NBD_CLEAR_SOCK(r2, 0xab04) ioctl$NBD_SET_SOCK(r0, 0x40081271, 0xffffffffffffffff) 22:54:33 executing program 3: openat$snapshot(0xffffffffffffff9c, &(0x7f0000000000)='/dev/snapshot\x00', 0x0, 0x0) ioctl$SNDCTL_TMR_METRONOME(0xffffffffffffffff, 0x40045407) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)) r0 = openat$sequencer(0xffffffffffffff9c, &(0x7f0000000140)='/dev/sequencer\x00', 0x42, 0x0) ioctl$SNDCTL_SEQ_PANIC(r0, 0x5111) ioctl$SNDCTL_SEQ_RESET(r0, 0x5100) 22:54:33 executing program 5: syz_open_dev$ndb(&(0x7f0000000000)='/dev/nbd#\x00', 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) r1 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) ioctl$NBD_SET_SOCK(r1, 0xab00, r0) r2 = syz_open_dev$ndb(&(0x7f0000000140)='/dev/nbd#\x00', 0x0, 0x0) ioctl$NBD_SET_SOCK(0xffffffffffffffff, 0xab03, 0xffffffffffffffff) ioctl$NBD_SET_SIZE_BLOCKS(r2, 0xab07, 0x5) 22:54:33 executing program 1: r0 = syz_open_dev$ndb(&(0x7f0000000000)='/dev/nbd#\x00', 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x13e) ioctl$NBD_SET_SOCK(r0, 0x40101283, 0xffffffffffffffff) 22:54:33 executing program 0: r0 = syz_open_dev$ndb(&(0x7f0000000000)='/dev/nbd#\x00', 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x13e) ioctl$NBD_SET_SOCK(r0, 0xab05, 0xffffffffffffffff) [ 2050.573892] block nbd2: shutting down sockets [ 2050.579085] block nbd0: shutting down sockets [ 2050.589051] block nbd1: shutting down sockets [ 2050.598153] block nbd1: shutting down sockets [ 2050.604981] block nbd0: shutting down sockets [ 2050.613897] block nbd2: shutting down sockets [ 2050.619807] block nbd5: shutting down sockets 22:54:33 executing program 4: openat$snapshot(0xffffffffffffff9c, &(0x7f0000000040)='/dev/snapshot\x00', 0x40181, 0x0) r0 = openat$dlm_control(0xffffffffffffff9c, &(0x7f0000000000)='/dev/dlm-control\x00', 0x0, 0x0) ioctl$SNDRV_PCM_IOCTL_XRUN(r0, 0x4148, 0x0) ioctl$SNAPSHOT_ALLOC_SWAP_PAGE(r0, 0x80083314, &(0x7f0000000000)) 22:54:33 executing program 3: ioctl$SNDCTL_TMR_METRONOME(0xffffffffffffffff, 0x40045407) openat$snapshot(0xffffffffffffff9c, &(0x7f0000000000)='/dev/snapshot\x00', 0x0, 0x0) ioctl$SNDCTL_TMR_METRONOME(0xffffffffffffffff, 0x40045407) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)) r0 = openat$sequencer(0xffffffffffffff9c, &(0x7f0000000140)='/dev/sequencer\x00', 0x2, 0x0) ioctl$SNDCTL_SEQ_PANIC(r0, 0x5111) ioctl$SNDCTL_SEQ_RESET(r0, 0x5100) 22:54:33 executing program 5: syz_open_dev$ndb(&(0x7f0000000000)='/dev/nbd#\x00', 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) r1 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) ioctl$NBD_SET_SOCK(r1, 0xab00, r0) r2 = syz_open_dev$ndb(&(0x7f0000000140)='/dev/nbd#\x00', 0x0, 0x0) ioctl$NBD_SET_SOCK(0xffffffffffffffff, 0xab03, 0xffffffffffffffff) ioctl$NBD_SET_SIZE_BLOCKS(r2, 0xab07, 0x5) 22:54:33 executing program 0: r0 = syz_open_dev$ndb(&(0x7f0000000000)='/dev/nbd#\x00', 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x13e) ioctl$NBD_SET_SOCK(r0, 0xab06, 0xffffffffffffffff) 22:54:33 executing program 1: r0 = syz_open_dev$ndb(&(0x7f0000000000)='/dev/nbd#\x00', 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x13e) ioctl$NBD_SET_SOCK(r0, 0x401070c9, 0xffffffffffffffff) 22:54:33 executing program 2: r0 = syz_open_dev$ndb(&(0x7f0000000000)='/dev/nbd#\x00', 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x13e) r2 = syz_open_dev$ndb(&(0x7f0000000140)='/dev/nbd#\x00', 0x0, 0x0) ioctl$NBD_CLEAR_SOCK(r2, 0xab04) ioctl$NBD_SET_SOCK(r0, 0x40101283, 0xffffffffffffffff) [ 2050.764761] block nbd0: shutting down sockets [ 2050.767244] block nbd2: shutting down sockets [ 2050.776071] block nbd5: shutting down sockets [ 2050.792157] block nbd0: shutting down sockets [ 2050.801723] block nbd1: shutting down sockets 22:54:33 executing program 5: r0 = syz_open_dev$ndb(&(0x7f0000000000)='/dev/nbd#\x00', 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) r2 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) ioctl$NBD_SET_SOCK(r2, 0xab00, r1) syz_open_dev$ndb(&(0x7f0000000140)='/dev/nbd#\x00', 0x0, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab03, 0xffffffffffffffff) ioctl$NBD_SET_SIZE_BLOCKS(0xffffffffffffffff, 0xab07, 0x5) 22:54:33 executing program 4: futex(&(0x7f0000000000)=0x2, 0x3, 0x1, &(0x7f0000000080), &(0x7f00000000c0)=0xf8, 0x1) clock_gettime(0x4, &(0x7f0000000180)) openat$snapshot(0xffffffffffffff9c, &(0x7f0000000040)='/dev/snapshot\x00', 0x40181, 0x0) r0 = openat$sequencer(0xffffffffffffff9c, &(0x7f0000000100)='/dev/sequencer\x00', 0x1a0401, 0x0) ioctl$SNDCTL_FM_4OP_ENABLE(r0, 0x4004510f, &(0x7f0000000140)=0xd8c0) r1 = openat$sequencer(0xffffffffffffff9c, &(0x7f0000000140)='/dev/sequencer\x00', 0x2, 0x0) ioctl$SNDCTL_SEQ_PANIC(r1, 0x5111) ioctl$SNDCTL_SEQ_PANIC(r1, 0x5111) [ 2050.816709] block nbd2: shutting down sockets [ 2050.829813] block nbd1: shutting down sockets 22:54:33 executing program 3: openat$snapshot(0xffffffffffffff9c, &(0x7f0000000000)='/dev/snapshot\x00', 0x0, 0x0) r0 = openat$dlm_control(0xffffffffffffff9c, &(0x7f0000000000)='/dev/dlm-control\x00', 0x0, 0x0) ioctl$SNDRV_PCM_IOCTL_XRUN(r0, 0x4148, 0x0) openat$cgroup_devices(r0, &(0x7f0000000080)='devices.allow\x00', 0x2, 0x0) ioctl$SNDCTL_TMR_METRONOME(0xffffffffffffffff, 0x40045407) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)) r1 = openat$sequencer(0xffffffffffffff9c, &(0x7f0000000140)='/dev/sequencer\x00', 0x2, 0x0) ioctl$SNDCTL_SEQ_PANIC(r1, 0x5111) ioctl$SNDCTL_SEQ_RESET(r1, 0x5100) 22:54:33 executing program 0: r0 = syz_open_dev$ndb(&(0x7f0000000000)='/dev/nbd#\x00', 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x13e) ioctl$NBD_SET_SOCK(r0, 0xab07, 0xffffffffffffffff) 22:54:33 executing program 1: r0 = syz_open_dev$ndb(&(0x7f0000000000)='/dev/nbd#\x00', 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x13e) ioctl$NBD_SET_SOCK(r0, 0x401070ca, 0xffffffffffffffff) 22:54:33 executing program 2: r0 = syz_open_dev$ndb(&(0x7f0000000000)='/dev/nbd#\x00', 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x13e) r2 = syz_open_dev$ndb(&(0x7f0000000140)='/dev/nbd#\x00', 0x0, 0x0) ioctl$NBD_CLEAR_SOCK(r2, 0xab04) ioctl$NBD_SET_SOCK(r0, 0x401070c9, 0xffffffffffffffff) [ 2050.934607] block nbd0: shutting down sockets [ 2050.952943] block nbd0: shutting down sockets 22:54:33 executing program 0: r0 = syz_open_dev$ndb(&(0x7f0000000000)='/dev/nbd#\x00', 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x13e) ioctl$NBD_SET_SOCK(r0, 0xab08, 0xffffffffffffffff) [ 2051.002475] block nbd1: shutting down sockets [ 2051.018389] block nbd1: shutting down sockets [ 2051.023381] block nbd2: shutting down sockets 22:54:33 executing program 3: openat$snapshot(0xffffffffffffff9c, &(0x7f0000000000)='/dev/snapshot\x00', 0x0, 0x0) ioctl$SNDCTL_TMR_METRONOME(0xffffffffffffffff, 0x40045407) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)) r0 = openat$sequencer(0xffffffffffffff9c, &(0x7f0000000140)='/dev/sequencer\x00', 0x2, 0x0) r1 = openat$dlm_control(0xffffffffffffff9c, &(0x7f0000000080)='/dev/dlm-control\x00', 0x28040, 0x0) ioctl$SOUND_MIXER_READ_RECMASK(r1, 0x80044dfd, &(0x7f00000000c0)) ioctl$SNDCTL_SEQ_PANIC(r0, 0x5111) ioctl$SNDCTL_SEQ_RESET(r0, 0x5100) 22:54:33 executing program 1: r0 = syz_open_dev$ndb(&(0x7f0000000000)='/dev/nbd#\x00', 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x13e) ioctl$NBD_SET_SOCK(r0, 0x401070cd, 0xffffffffffffffff) [ 2051.056830] block nbd2: shutting down sockets 22:54:33 executing program 2: r0 = syz_open_dev$ndb(&(0x7f0000000000)='/dev/nbd#\x00', 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x13e) r2 = syz_open_dev$ndb(&(0x7f0000000140)='/dev/nbd#\x00', 0x0, 0x0) ioctl$NBD_CLEAR_SOCK(r2, 0xab04) ioctl$NBD_SET_SOCK(r0, 0x401070ca, 0xffffffffffffffff) [ 2051.111042] block nbd0: NBD_DISCONNECT [ 2051.116171] block nbd0: Disconnected due to user request. [ 2051.125302] block nbd0: shutting down sockets [ 2051.138510] block nbd0: NBD_DISCONNECT [ 2051.144242] block nbd0: Disconnected due to user request. 22:54:33 executing program 4: openat$mixer(0xffffffffffffff9c, &(0x7f0000000000)='/dev/mixer\x00', 0x200, 0x0) r0 = openat$snapshot(0xffffffffffffff9c, &(0x7f0000000040)='/dev/snapshot\x00', 0x40181, 0x0) ioctl$SNAPSHOT_PREF_IMAGE_SIZE(r0, 0x3312, 0x2) [ 2051.162891] block nbd0: shutting down sockets [ 2051.177261] block nbd2: shutting down sockets [ 2051.183938] block nbd1: shutting down sockets [ 2051.199525] block nbd1: shutting down sockets 22:54:33 executing program 0: r0 = syz_open_dev$ndb(&(0x7f0000000000)='/dev/nbd#\x00', 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x13e) ioctl$NBD_SET_SOCK(r0, 0xab09, 0xffffffffffffffff) [ 2051.214626] block nbd2: shutting down sockets [ 2051.315502] block nbd0: shutting down sockets [ 2051.334571] block nbd0: shutting down sockets 22:54:34 executing program 5: r0 = syz_open_dev$ndb(&(0x7f0000000000)='/dev/nbd#\x00', 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) r2 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) ioctl$NBD_SET_SOCK(r2, 0xab00, r1) syz_open_dev$ndb(&(0x7f0000000140)='/dev/nbd#\x00', 0x0, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab03, 0xffffffffffffffff) ioctl$NBD_SET_SIZE_BLOCKS(0xffffffffffffffff, 0xab07, 0x5) 22:54:34 executing program 2: r0 = syz_open_dev$ndb(&(0x7f0000000000)='/dev/nbd#\x00', 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x13e) r2 = syz_open_dev$ndb(&(0x7f0000000140)='/dev/nbd#\x00', 0x0, 0x0) ioctl$NBD_CLEAR_SOCK(r2, 0xab04) ioctl$NBD_SET_SOCK(r0, 0x401070cd, 0xffffffffffffffff) 22:54:34 executing program 1: r0 = syz_open_dev$ndb(&(0x7f0000000000)='/dev/nbd#\x00', 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x13e) ioctl$NBD_SET_SOCK(r0, 0x401870c8, 0xffffffffffffffff) 22:54:34 executing program 3: r0 = openat$cuse(0xffffffffffffff9c, &(0x7f0000000240)='/dev/cuse\x00', 0x2, 0x0) openat$snapshot(0xffffffffffffff9c, &(0x7f0000000000)='/dev/snapshot\x00', 0x0, 0x0) ioctl$SNDCTL_TMR_METRONOME(0xffffffffffffffff, 0x40045407) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)) r1 = openat$sequencer(0xffffffffffffff9c, &(0x7f0000000140)='/dev/sequencer\x00', 0x2, 0x0) r2 = socket$nl_generic(0x10, 0x3, 0x10) sendmsg$MPTCP_PM_CMD_SET_LIMITS(r2, &(0x7f0000000c80)={&(0x7f0000000bc0)={0x10, 0x0, 0x0, 0x20400000}, 0xc, &(0x7f0000000c40)={&(0x7f0000000c00)=ANY=[@ANYBLOB="14000000", @ANYRES16=0x0, @ANYBLOB="010100000000000000000555c03f"], 0x14}}, 0x0) sendmsg$NLBL_MGMT_C_ADD(r2, &(0x7f0000000bc0)={&(0x7f0000000b00)={0x10, 0x0, 0x0, 0x200}, 0xc, &(0x7f0000000b80)={&(0x7f0000000b40)={0x1c, 0x0, 0x2, 0x70bd27, 0x25dfdbfd, {}, [@NLBL_MGMT_A_IPV4MASK={0x8, 0x8, @initdev={0xac, 0x1e, 0x1, 0x0}}]}, 0x1c}, 0x1, 0x0, 0x0, 0x10}, 0x90) r3 = openat$dlm_control(0xffffffffffffff9c, &(0x7f0000000080)='/dev/dlm-control\x00', 0x4000, 0x0) bpf$BPF_GET_BTF_INFO(0xf, &(0x7f0000000100)={r3, 0x10, &(0x7f00000000c0)={&(0x7f0000000180)=""/165, 0xa5}}, 0x10) ioctl$SNDCTL_SEQ_PANIC(r1, 0x5111) ioctl$BTRFS_IOC_GET_DEV_STATS(0xffffffffffffffff, 0xc4089434, &(0x7f0000000280)={0x0, 0x5, 0x1, [0xa00000000000000, 0x10000, 0x9, 0x2, 0x7], [0x1, 0x2, 0x4, 0x5, 0x5, 0x2, 0x1ff, 0x4, 0x4, 0x4, 0x9c, 0x692, 0x6db6, 0xfff, 0x1, 0x80000000, 0x240, 0xff, 0xfffffffffffff000, 0x3, 0x7fbe, 0x8, 0x7fffffff, 0x3, 0x0, 0x2725b67b, 0xfffffffffffffffc, 0x6, 0x4, 0x1000, 0x5, 0x1, 0x6, 0x2, 0x7, 0x3f, 0x4, 0x4, 0x2, 0xa1b, 0x3a, 0x1, 0x80000000, 0x40, 0x40b7, 0x8000, 0xfffffffffffffdc6, 0x2, 0x2d4a5368, 0xd0, 0x1, 0x3, 0x9, 0x9, 0x80000001, 0x8000, 0x8, 0x1ff, 0x3, 0x14000, 0xe7, 0x6, 0x7, 0x4, 0xffffffffffffffff, 0x8, 0x0, 0xe3bd, 0x8000, 0x5, 0x7, 0xfff, 0x10000, 0x9, 0x8d8, 0x7, 0x4, 0x993e, 0x5, 0x19588e93, 0xffffffffffffff41, 0x7, 0xc67b, 0x401, 0x2, 0x8, 0x5, 0x1, 0x53e, 0x8, 0x3, 0x6, 0x264, 0x0, 0x5, 0x4, 0x8001, 0x80000000, 0x801c, 0x9, 0x101, 0x2, 0x9, 0x7fffffff, 0x7, 0x10001, 0x800, 0x8, 0x401, 0xb4cb, 0xfc, 0x478, 0x0, 0xfffffffffffffffe, 0xd5e9, 0x2, 0x9, 0x7f, 0xff, 0x81, 0x9]}) write$FUSE_NOTIFY_POLL(r0, &(0x7f0000000ac0)={0x18, 0x1, 0x0, {0x5}}, 0x18) ioctl$BTRFS_IOC_SCRUB_PROGRESS(r3, 0xc400941d, &(0x7f00000006c0)={r4, 0xfffffffffffffffb, 0x6fad, 0x1}) ioctl$SNDCTL_SEQ_RESET(r1, 0x5100) 22:54:34 executing program 4: r0 = syz_open_dev$sndpcmp(&(0x7f0000000040)='/dev/snd/pcmC#D#p\x00', 0x0, 0x0) ioctl$SNDRV_PCM_IOCTL_FORWARD(r0, 0x40084149, &(0x7f0000000000)) openat$snapshot(0xffffffffffffff9c, &(0x7f0000000040)='/dev/snapshot\x00', 0x40181, 0x0) 22:54:34 executing program 0: r0 = syz_open_dev$ndb(&(0x7f0000000000)='/dev/nbd#\x00', 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x13e) ioctl$NBD_SET_SOCK(r0, 0xab0a, 0xffffffffffffffff) [ 2051.731068] block nbd5: Receive control failed (result -32) [ 2051.737158] block nbd5: shutting down sockets [ 2051.796185] block nbd0: shutting down sockets [ 2051.815479] block nbd0: shutting down sockets [ 2051.820528] block nbd2: shutting down sockets [ 2051.835481] block nbd1: shutting down sockets 22:54:34 executing program 2: r0 = syz_open_dev$ndb(&(0x7f0000000000)='/dev/nbd#\x00', 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x13e) r2 = syz_open_dev$ndb(&(0x7f0000000140)='/dev/nbd#\x00', 0x0, 0x0) ioctl$NBD_CLEAR_SOCK(r2, 0xab04) ioctl$NBD_SET_SOCK(r0, 0x401870c8, 0xffffffffffffffff) [ 2051.844365] block nbd2: shutting down sockets [ 2051.851702] block nbd1: shutting down sockets 22:54:34 executing program 0: r0 = syz_open_dev$ndb(&(0x7f0000000000)='/dev/nbd#\x00', 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x13e) ioctl$NBD_SET_SOCK(r0, 0x40049409, 0xffffffffffffffff) 22:54:34 executing program 1: r0 = syz_open_dev$ndb(&(0x7f0000000000)='/dev/nbd#\x00', 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x13e) ioctl$NBD_SET_SOCK(r0, 0x401870cb, 0xffffffffffffffff) 22:54:34 executing program 3: openat$snapshot(0xffffffffffffff9c, &(0x7f0000000000)='/dev/snapshot\x00', 0x0, 0x0) ioctl$SNDCTL_TMR_METRONOME(0xffffffffffffffff, 0x40045407) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)) ioctl$SNDCTL_SEQ_OUTOFBAND(0xffffffffffffffff, 0x40085112, &(0x7f0000000080)=@s={0x5, @SEQ_MIDIPUTC=0xc2, 0x1e, 0xff}) write$sequencer(0xffffffffffffffff, &(0x7f0000000100)=ANY=[@ANYBLOB="930e8002ff2bd378d7de09a2ce0a04000000050500fcfb0500000000000000"], 0x24) r0 = openat$sequencer(0xffffffffffffff9c, &(0x7f0000000140)='/dev/sequencer\x00', 0x2, 0x0) ioctl$SNDCTL_TMR_TEMPO(r0, 0xc0045405, &(0x7f00000000c0)=0x9c) ioctl$SNDCTL_SEQ_PANIC(r0, 0x5111) ioctl$SNDCTL_SEQ_RESET(r0, 0x5100) [ 2051.943131] block nbd2: shutting down sockets [ 2051.980622] block nbd2: shutting down sockets [ 2051.987755] block nbd0: shutting down sockets [ 2052.006793] block nbd1: shutting down sockets [ 2052.014396] block nbd0: shutting down sockets 22:54:34 executing program 2: r0 = syz_open_dev$ndb(&(0x7f0000000000)='/dev/nbd#\x00', 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x13e) r2 = syz_open_dev$ndb(&(0x7f0000000140)='/dev/nbd#\x00', 0x0, 0x0) ioctl$NBD_CLEAR_SOCK(r2, 0xab04) ioctl$NBD_SET_SOCK(r0, 0x401870cb, 0xffffffffffffffff) 22:54:34 executing program 4: r0 = openat$snapshot(0xffffffffffffff9c, &(0x7f0000000040)='/dev/snapshot\x00', 0x40181, 0x0) ioctl$BTRFS_IOC_BALANCE_PROGRESS(r0, 0x84009422, &(0x7f0000000300)={0x0, 0x0, {0x0, @usage, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @struct}, {}, {0x0, @struct, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @struct}}) r1 = openat$dlm_control(0xffffffffffffff9c, &(0x7f0000000000)='/dev/dlm-control\x00', 0x0, 0x0) ioctl$SNDRV_PCM_IOCTL_XRUN(r1, 0x4148, 0x0) ioctl$SNDRV_PCM_IOCTL_HW_PARAMS(r1, 0xc2604111, &(0x7f0000000080)={0xfffffffa, [[0x0, 0xfffffffc, 0x8, 0x6, 0x81, 0x0, 0xf65a, 0x8], [0x7514, 0x1, 0x1, 0x4c, 0x8, 0xfff, 0x9, 0x401], [0x9, 0x7, 0x1f, 0x2, 0x1, 0x80000000, 0x6, 0xd9]], [], [{0x6, 0x8f, 0x0, 0x0, 0x0, 0x1}, {0x10001, 0x8000, 0x1, 0x0, 0x1}, {0x2, 0x1b}, {0x8084, 0x7f, 0x1, 0x1}, {0x5, 0x1e7a2c0, 0x1, 0x0, 0x1}, {0x0, 0xaf5, 0x0, 0x0, 0x1, 0x1}, {0x5, 0x6, 0x1, 0x0, 0x1, 0x1}, {0x0, 0x2, 0x0, 0x1, 0x1}, {0x6, 0x3, 0x1, 0x0, 0x0, 0x1}, {0x3, 0x3, 0x0, 0x1}, {0x7ff, 0x401, 0x1, 0x1}, {0x9, 0x3, 0x1, 0x0, 0x1}], [], 0x9}) [ 2052.039916] block nbd1: shutting down sockets [ 2052.135660] block nbd2: shutting down sockets [ 2052.145129] block nbd2: shutting down sockets 22:54:35 executing program 5: r0 = syz_open_dev$ndb(&(0x7f0000000000)='/dev/nbd#\x00', 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) r2 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) ioctl$NBD_SET_SOCK(r2, 0xab00, r1) syz_open_dev$ndb(&(0x7f0000000140)='/dev/nbd#\x00', 0x0, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab03, 0xffffffffffffffff) ioctl$NBD_SET_SIZE_BLOCKS(0xffffffffffffffff, 0xab07, 0x5) 22:54:35 executing program 1: r0 = syz_open_dev$ndb(&(0x7f0000000000)='/dev/nbd#\x00', 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x13e) ioctl$NBD_SET_SOCK(r0, 0x401870cc, 0xffffffffffffffff) 22:54:35 executing program 0: r0 = syz_open_dev$ndb(&(0x7f0000000000)='/dev/nbd#\x00', 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x13e) ioctl$NBD_SET_SOCK(r0, 0x40081271, 0xffffffffffffffff) 22:54:35 executing program 3: openat$snapshot(0xffffffffffffff9c, &(0x7f0000000000)='/dev/snapshot\x00', 0x0, 0x0) r0 = openat$cgroup_subtree(0xffffffffffffffff, &(0x7f00000000c0)='cgroup.subtree_control\x00', 0x2, 0x0) r1 = openat$fb0(0xffffffffffffff9c, &(0x7f00000001c0)='/dev/fb0\x00', 0x80, 0x0) ioctl$BTRFS_IOC_RESIZE(r1, 0x50009403, 0x0) ioctl$BTRFS_IOC_RESIZE(r0, 0x50009403, &(0x7f0000000180)=ANY=[@ANYRES32=r1, @ANYBLOB='\x00\x00\x00\x00', @ANYRESDEC=0x0, @ANYBLOB="3a6de8b524722958990a1de973"]) r2 = openat$sequencer(0xffffffffffffff9c, &(0x7f0000000080)='/dev/sequencer\x00', 0x100, 0x0) ioctl$SNDCTL_TMR_METRONOME(r2, 0x40045407) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)) r3 = openat$sequencer(0xffffffffffffff9c, &(0x7f0000000140)='/dev/sequencer\x00', 0x2, 0x0) ioctl$SNDCTL_SEQ_PANIC(r3, 0x5111) ioctl$SNDCTL_SEQ_RESET(r3, 0x5100) 22:54:35 executing program 2: r0 = syz_open_dev$ndb(&(0x7f0000000000)='/dev/nbd#\x00', 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x13e) r2 = syz_open_dev$ndb(&(0x7f0000000140)='/dev/nbd#\x00', 0x0, 0x0) ioctl$NBD_CLEAR_SOCK(r2, 0xab04) ioctl$NBD_SET_SOCK(r0, 0x401870cc, 0xffffffffffffffff) 22:54:35 executing program 4: r0 = socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$ethtool(&(0x7f0000000080)='ethtool\x00') sendmsg$ETHTOOL_MSG_EEE_SET(r0, &(0x7f00000001c0)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x80000000}, 0xc, &(0x7f0000000180)={&(0x7f00000000c0)={0x98, r1, 0x200, 0x70bd25, 0x25dfdbff, {}, [@ETHTOOL_A_EEE_ENABLED={0x5, 0x5, 0x1}, @ETHTOOL_A_EEE_HEADER={0x24, 0x1, 0x0, 0x1, [@ETHTOOL_A_HEADER_FLAGS={0x8, 0x3, 0x1}, @ETHTOOL_A_HEADER_FLAGS={0x8, 0x3, 0x1}, @ETHTOOL_A_HEADER_DEV_INDEX={0x8}, @ETHTOOL_A_HEADER_FLAGS={0x8, 0x3, 0x3}]}, @ETHTOOL_A_EEE_ENABLED={0x5, 0x5, 0x1}, @ETHTOOL_A_EEE_HEADER={0x40, 0x1, 0x0, 0x1, [@ETHTOOL_A_HEADER_DEV_INDEX={0x8}, @ETHTOOL_A_HEADER_DEV_INDEX={0x8}, @ETHTOOL_A_HEADER_DEV_INDEX={0x8}, @ETHTOOL_A_HEADER_FLAGS={0x8, 0x3, 0x2}, @ETHTOOL_A_HEADER_DEV_INDEX={0x8}, @ETHTOOL_A_HEADER_DEV_NAME={0x14, 0x2, 'bond_slave_1\x00'}]}, @ETHTOOL_A_EEE_TX_LPI_TIMER={0x8, 0x7, 0x1}, @ETHTOOL_A_EEE_ENABLED={0x5, 0x5, 0x1}]}, 0x98}, 0x1, 0x0, 0x0, 0x1}, 0x91) openat$snapshot(0xffffffffffffff9c, &(0x7f0000000040)='/dev/snapshot\x00', 0x40181, 0x0) [ 2052.678591] block nbd5: Receive control failed (result -32) [ 2052.678815] block nbd5: shutting down sockets [ 2052.756654] block nbd0: shutting down sockets [ 2052.766005] block nbd0: shutting down sockets [ 2052.774000] block nbd1: shutting down sockets [ 2052.783960] block nbd1: shutting down sockets [ 2052.791951] block nbd2: shutting down sockets 22:54:35 executing program 0: r0 = syz_open_dev$ndb(&(0x7f0000000000)='/dev/nbd#\x00', 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x13e) ioctl$NBD_SET_SOCK(r0, 0x40101283, 0xffffffffffffffff) 22:54:35 executing program 1: r0 = syz_open_dev$ndb(&(0x7f0000000000)='/dev/nbd#\x00', 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x13e) ioctl$NBD_SET_SOCK(r0, 0x4020940d, 0xffffffffffffffff) [ 2052.837403] block nbd2: shutting down sockets 22:54:35 executing program 3: openat$snapshot(0xffffffffffffff9c, &(0x7f0000000000)='/dev/snapshot\x00', 0x0, 0x0) ioctl$SNDCTL_TMR_METRONOME(0xffffffffffffffff, 0x40045407) r0 = openat$dlm_control(0xffffffffffffff9c, &(0x7f0000000080)='/dev/dlm-control\x00', 0x90440, 0x0) ioctl$SNAPSHOT_UNFREEZE(r0, 0x3302) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)) r1 = openat$sequencer(0xffffffffffffff9c, &(0x7f0000000140)='/dev/sequencer\x00', 0xea2c1, 0x0) ioctl$SNDCTL_SEQ_PANIC(r1, 0x5111) ioctl$SNDCTL_SEQ_RESET(r1, 0x5100) 22:54:35 executing program 4: openat$snapshot(0xffffffffffffff9c, &(0x7f0000000040)='/dev/snapshot\x00', 0x161103, 0x0) 22:54:35 executing program 2: r0 = syz_open_dev$ndb(&(0x7f0000000000)='/dev/nbd#\x00', 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x13e) r2 = syz_open_dev$ndb(&(0x7f0000000140)='/dev/nbd#\x00', 0x0, 0x0) ioctl$NBD_CLEAR_SOCK(r2, 0xab04) ioctl$NBD_SET_SOCK(r0, 0x4020940d, 0xffffffffffffffff) [ 2052.922054] block nbd0: shutting down sockets [ 2052.935216] block nbd0: shutting down sockets 22:54:35 executing program 0: r0 = syz_open_dev$ndb(&(0x7f0000000000)='/dev/nbd#\x00', 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x13e) ioctl$NBD_SET_SOCK(r0, 0x401070c9, 0xffffffffffffffff) [ 2052.964194] block nbd1: shutting down sockets [ 2052.979399] block nbd1: shutting down sockets [ 2053.025586] block nbd2: shutting down sockets [ 2053.057044] block nbd2: shutting down sockets [ 2053.082247] block nbd0: shutting down sockets [ 2053.101427] block nbd0: shutting down sockets 22:54:36 executing program 5: r0 = syz_open_dev$ndb(&(0x7f0000000000)='/dev/nbd#\x00', 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) r2 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) ioctl$NBD_SET_SOCK(r2, 0xab00, r1) r3 = syz_open_dev$ndb(&(0x7f0000000140)='/dev/nbd#\x00', 0x0, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab03, 0xffffffffffffffff) ioctl$NBD_SET_SIZE_BLOCKS(r3, 0xab07, 0x0) 22:54:36 executing program 4: openat$snapshot(0xffffffffffffff9c, &(0x7f0000000000)='/dev/snapshot\x00', 0x0, 0x0) r0 = openat$dlm_control(0xffffffffffffff9c, &(0x7f0000000000)='/dev/dlm-control\x00', 0x0, 0x0) ioctl$SNDRV_PCM_IOCTL_XRUN(r0, 0x4148, 0x0) ioctl$SOUND_MIXER_WRITE_VOLUME(r0, 0xc0044d02, &(0x7f0000000040)=0x6) 22:54:36 executing program 1: r0 = syz_open_dev$ndb(&(0x7f0000000000)='/dev/nbd#\x00', 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x13e) ioctl$NBD_SET_SOCK(r0, 0x80081270, 0xffffffffffffffff) 22:54:36 executing program 3: r0 = openat$snapshot(0xffffffffffffff9c, &(0x7f0000000000)='/dev/snapshot\x00', 0x0, 0x0) ioctl$SNDCTL_TMR_METRONOME(0xffffffffffffffff, 0x40045407) r1 = openat$dlm_control(0xffffffffffffff9c, &(0x7f0000000180)='/dev/dlm-control\x00', 0x129080, 0x0) ioctl$NBD_SET_SOCK(r1, 0xab00, 0xffffffffffffffff) ioctl$SNAPSHOT_ALLOC_SWAP_PAGE(r0, 0x80083314, &(0x7f0000000080)) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)) r2 = openat$sequencer(0xffffffffffffff9c, &(0x7f0000000140)='/dev/sequencer\x00', 0x2, 0x0) ioctl$SNDCTL_SEQ_PANIC(r2, 0x5111) ioctl$SNDCTL_SEQ_RESET(r2, 0x5100) r3 = openat$dlm_control(0xffffffffffffff9c, &(0x7f00000001c0)='/dev/dlm-control\x00', 0x10040, 0x0) getsockname$packet(r1, &(0x7f0000000240)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @link_local}, &(0x7f0000000280)=0x14) sendmsg$MPTCP_PM_CMD_DEL_ADDR(r3, &(0x7f0000000400)={&(0x7f0000000200)={0x10, 0x0, 0x0, 0x1000}, 0xc, &(0x7f00000003c0)={&(0x7f00000002c0)={0x100, 0x0, 0x100, 0x70bd29, 0x25dfdbfc, {}, [@MPTCP_PM_ATTR_ADDR={0x54, 0x1, 0x0, 0x1, [@MPTCP_PM_ADDR_ATTR_ID={0x5}, @MPTCP_PM_ADDR_ATTR_ADDR6={0x14, 0x4, @ipv4={[], [], @local}}, @MPTCP_PM_ADDR_ATTR_ADDR6={0x14, 0x4, @rand_addr=' \x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x01'}, @MPTCP_PM_ADDR_ATTR_ADDR4={0x8, 0x3, @private=0xa010101}, @MPTCP_PM_ADDR_ATTR_ID={0x5, 0x2, 0x7}, @MPTCP_PM_ADDR_ATTR_IF_IDX={0x8}, @MPTCP_PM_ADDR_ATTR_PORT={0x6, 0x5, 0x4e22}]}, @MPTCP_PM_ATTR_RCV_ADD_ADDRS={0x8, 0x2, 0x8}, @MPTCP_PM_ATTR_ADDR={0x3c, 0x1, 0x0, 0x1, [@MPTCP_PM_ADDR_ATTR_ADDR6={0x14, 0x4, @empty}, @MPTCP_PM_ADDR_ATTR_FLAGS={0x8, 0x6, 0x2}, @MPTCP_PM_ADDR_ATTR_ADDR6={0x14, 0x4, @initdev={0xfe, 0x88, [], 0x0, 0x0}}, @MPTCP_PM_ADDR_ATTR_IF_IDX={0x8, 0x7, r4}]}, @MPTCP_PM_ATTR_RCV_ADD_ADDRS={0x8, 0x2, 0x6}, @MPTCP_PM_ATTR_ADDR={0x34, 0x1, 0x0, 0x1, [@MPTCP_PM_ADDR_ATTR_ID={0x5, 0x2, 0x16}, @MPTCP_PM_ADDR_ATTR_ID={0x5, 0x2, 0xa9}, @MPTCP_PM_ADDR_ATTR_FLAGS={0x8, 0x6, 0x5}, @MPTCP_PM_ADDR_ATTR_PORT={0x6, 0x5, 0x4e22}, @MPTCP_PM_ADDR_ATTR_PORT={0x6, 0x5, 0x4e21}, @MPTCP_PM_ADDR_ATTR_FAMILY={0x6, 0x1, 0xa}]}, @MPTCP_PM_ATTR_RCV_ADD_ADDRS={0x8, 0x2, 0x8}, @MPTCP_PM_ATTR_RCV_ADD_ADDRS={0x8, 0x2, 0x5}, @MPTCP_PM_ATTR_SUBFLOWS={0x8, 0x3, 0x4}]}, 0x100}, 0x1, 0x0, 0x0, 0x40}, 0x84) r5 = openat$mixer(0xffffffffffffff9c, &(0x7f00000000c0)='/dev/mixer\x00', 0x18040, 0x0) ioctl$SOUND_MIXER_READ_CAPS(r5, 0x80044dfc, &(0x7f0000000100)) 22:54:36 executing program 2: r0 = syz_open_dev$ndb(&(0x7f0000000000)='/dev/nbd#\x00', 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x13e) r2 = syz_open_dev$ndb(&(0x7f0000000140)='/dev/nbd#\x00', 0x0, 0x0) ioctl$NBD_CLEAR_SOCK(r2, 0xab04) ioctl$NBD_SET_SOCK(r0, 0x80081270, 0xffffffffffffffff) 22:54:36 executing program 0: r0 = syz_open_dev$ndb(&(0x7f0000000000)='/dev/nbd#\x00', 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x13e) ioctl$NBD_SET_SOCK(r0, 0x401070ca, 0xffffffffffffffff) [ 2053.583820] block nbd5: Receive control failed (result -32) [ 2053.584051] block nbd5: shutting down sockets [ 2053.669035] block nbd1: shutting down sockets [ 2053.670407] block nbd2: shutting down sockets [ 2053.688515] block nbd0: shutting down sockets [ 2053.696271] block nbd1: shutting down sockets [ 2053.698605] block nbd0: shutting down sockets 22:54:36 executing program 4: r0 = openat$snapshot(0xffffffffffffff9c, &(0x7f0000000040)='/dev/snapshot\x00', 0x40181, 0x0) ioctl$BTRFS_IOC_BALANCE_PROGRESS(r0, 0x84009422, &(0x7f0000000080)={0x0, 0x0, {}, {}, {0x0, @struct, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @struct}}) syz_open_dev$ndb(&(0x7f0000000000)='/dev/nbd#\x00', 0x0, 0x0) ioctl$SNDCTL_FM_LOAD_INSTR(0xffffffffffffffff, 0x40285107) [ 2053.729277] block nbd2: shutting down sockets 22:54:36 executing program 3: openat$snapshot(0xffffffffffffff9c, &(0x7f0000000000)='/dev/snapshot\x00', 0x0, 0x0) ioctl$SNDCTL_TMR_METRONOME(0xffffffffffffffff, 0x40045407) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)) r0 = openat$sequencer(0xffffffffffffff9c, &(0x7f00000000c0)='/dev/sequencer\x00', 0x2, 0x0) ioctl$SNDCTL_SEQ_PANIC(r0, 0x5111) ioctl$SNDCTL_SEQ_GETTIME(r0, 0x80045113, &(0x7f0000000080)) ioctl$SNDCTL_SEQ_RESET(r0, 0x5100) 22:54:36 executing program 1: r0 = syz_open_dev$ndb(&(0x7f0000000000)='/dev/nbd#\x00', 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x13e) ioctl$NBD_SET_SOCK(r0, 0x80081272, 0xffffffffffffffff) 22:54:36 executing program 0: r0 = syz_open_dev$ndb(&(0x7f0000000000)='/dev/nbd#\x00', 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x13e) ioctl$NBD_SET_SOCK(r0, 0x401070cd, 0xffffffffffffffff) 22:54:36 executing program 2: r0 = syz_open_dev$ndb(&(0x7f0000000000)='/dev/nbd#\x00', 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x13e) r2 = syz_open_dev$ndb(&(0x7f0000000140)='/dev/nbd#\x00', 0x0, 0x0) ioctl$NBD_CLEAR_SOCK(r2, 0xab04) ioctl$NBD_SET_SOCK(r0, 0x80081272, 0xffffffffffffffff) [ 2053.852752] block nbd1: shutting down sockets [ 2053.861462] block nbd0: shutting down sockets [ 2053.872875] block nbd1: shutting down sockets [ 2053.877813] block nbd0: shutting down sockets 22:54:36 executing program 4: r0 = socket$nl_generic(0x10, 0x3, 0x10) sendmsg$ETHTOOL_MSG_LINKINFO_SET(r0, &(0x7f0000000100)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x10000}, 0xc, &(0x7f00000000c0)={&(0x7f0000000080)={0x14, 0x0, 0x2, 0x70bd26, 0x25dfdbff}, 0x14}, 0x1, 0x0, 0x0, 0x48001}, 0x20000000) openat$snapshot(0xffffffffffffff9c, &(0x7f0000000040)='/dev/snapshot\x00', 0x40181, 0x0) [ 2053.911678] block nbd2: shutting down sockets [ 2053.949633] block nbd2: shutting down sockets 22:54:37 executing program 4: openat$snapshot(0xffffffffffffff9c, &(0x7f0000000040)='/dev/snapshot\x00', 0x401c1, 0x0) r0 = openat$snapshot(0xffffffffffffff9c, &(0x7f0000000000)='/dev/snapshot\x00', 0x191000, 0x0) ioctl$SNAPSHOT_AVAIL_SWAP_SIZE(r0, 0x80083313, &(0x7f0000000080)) 22:54:37 executing program 0: r0 = syz_open_dev$ndb(&(0x7f0000000000)='/dev/nbd#\x00', 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x13e) ioctl$NBD_SET_SOCK(r0, 0x401870c8, 0xffffffffffffffff) 22:54:37 executing program 1: r0 = syz_open_dev$ndb(&(0x7f0000000000)='/dev/nbd#\x00', 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x13e) ioctl$NBD_SET_SOCK(r0, 0xc0045878, 0xffffffffffffffff) 22:54:37 executing program 3: openat$snapshot(0xffffffffffffff9c, &(0x7f0000000000)='/dev/snapshot\x00', 0x0, 0x0) ioctl$SNDCTL_TMR_METRONOME(0xffffffffffffffff, 0x40045407) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)) r0 = openat$sequencer(0xffffffffffffff9c, &(0x7f0000000140)='/dev/sequencer\x00', 0x2, 0x0) ioctl$SNDCTL_SEQ_PANIC(r0, 0x5111) ioctl$SNDCTL_SEQ_RESET(r0, 0x5100) write$FUSE_NOTIFY_POLL(0xffffffffffffffff, &(0x7f0000000080)={0x18, 0x1, 0x0, {0xfffffffffffffff7}}, 0x18) prctl$PR_SET_CHILD_SUBREAPER(0x24, 0x1) 22:54:37 executing program 2: r0 = syz_open_dev$ndb(&(0x7f0000000000)='/dev/nbd#\x00', 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x13e) r2 = syz_open_dev$ndb(&(0x7f0000000140)='/dev/nbd#\x00', 0x0, 0x0) ioctl$NBD_CLEAR_SOCK(r2, 0xab04) ioctl$NBD_SET_SOCK(r0, 0xc0045878, 0xffffffffffffffff) 22:54:37 executing program 5: r0 = socket$nl_generic(0x10, 0x3, 0x10) sendmsg$ETHTOOL_MSG_LINKINFO_SET(r0, &(0x7f0000000100)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x10000}, 0xc, &(0x7f00000000c0)={&(0x7f0000000080)={0x14, 0x0, 0x2, 0x70bd26, 0x25dfdbff}, 0x14}, 0x1, 0x0, 0x0, 0x48001}, 0x20000000) openat$snapshot(0xffffffffffffff9c, &(0x7f0000000040)='/dev/snapshot\x00', 0x40181, 0x0) [ 2054.521485] block nbd5: Receive control failed (result -32) [ 2054.521930] block nbd5: shutting down sockets [ 2054.593390] block nbd1: shutting down sockets [ 2054.608032] block nbd1: shutting down sockets [ 2054.612632] block nbd2: shutting down sockets [ 2054.622014] block nbd0: shutting down sockets 22:54:37 executing program 1: r0 = syz_open_dev$ndb(&(0x7f0000000000)='/dev/nbd#\x00', 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x13e) ioctl$NBD_SET_SOCK(r0, 0xc0045878, 0xffffffffffffffff) [ 2054.644775] block nbd2: shutting down sockets [ 2054.649639] block nbd0: shutting down sockets 22:54:37 executing program 3: r0 = openat$sequencer(0xffffffffffffff9c, &(0x7f0000000140)='/dev/sequencer\x00', 0x2, 0x0) ioctl$SNDCTL_SEQ_PANIC(r0, 0x5111) ioctl$SNDCTL_SYNTH_INFO(r0, 0xc08c5102, &(0x7f0000000080)={"843a4bb2458104fca2a8c20b9b442505ed87ff1b702944379fd2034415e5", 0x7f, 0x1, 0x1, 0xbe41, 0x10d, 0x3, 0x6a7, 0x7, [0xff, 0x2, 0x5, 0x8000, 0x8b, 0x2, 0xb686, 0x8, 0x10001, 0x1, 0x4, 0x1, 0x6, 0x6, 0x1, 0xf4, 0x67, 0x7, 0x800]}) ioctl$SNDCTL_SEQ_TESTMIDI(r0, 0x40045108, &(0x7f0000000180)=0x20) openat$snapshot(0xffffffffffffff9c, &(0x7f0000000000)='/dev/snapshot\x00', 0x400000, 0x0) r1 = socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$ethtool(&(0x7f0000000200)='ethtool\x00') sendmsg$ETHTOOL_MSG_LINKINFO_SET(r1, &(0x7f00000002c0)={&(0x7f00000001c0)={0x10, 0x0, 0x0, 0x100}, 0xc, &(0x7f0000000280)={&(0x7f0000000240)={0x24, r2, 0x400, 0x70bd2d, 0x25dfdbfb, {}, [@ETHTOOL_A_LINKINFO_PORT={0x5, 0x2, 0xc8}, @ETHTOOL_A_LINKINFO_PORT={0x5, 0x2, 0xfe}]}, 0x24}, 0x1, 0x0, 0x0, 0x20008000}, 0x44044955) ioctl$SNDCTL_TMR_METRONOME(0xffffffffffffffff, 0x40045407) ioctl$BTRFS_IOC_RESIZE(0xffffffffffffffff, 0x50009403, &(0x7f0000000300)={{r0}, {@void, @actul_num={@void, 0xffff, 0x45}}}) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)) r3 = openat$sequencer(0xffffffffffffff9c, &(0x7f0000000140)='/dev/sequencer\x00', 0x2, 0x0) ioctl$SNDCTL_SEQ_PANIC(r3, 0x5111) r4 = openat$dlm_control(0xffffffffffffff9c, &(0x7f0000000000)='/dev/dlm-control\x00', 0x0, 0x0) ioctl$SNDRV_PCM_IOCTL_XRUN(r4, 0x4148, 0x0) ioctl$SNAPSHOT_PREF_IMAGE_SIZE(r4, 0x3312, 0x62a705bc) ioctl$SNDCTL_SEQ_RESET(r3, 0x5100) 22:54:37 executing program 4: openat$snapshot(0xffffffffffffff9c, &(0x7f0000000040)='/dev/snapshot\x00', 0x40181, 0x0) r0 = openat$sequencer(0xffffffffffffff9c, &(0x7f0000000140)='/dev/sequencer\x00', 0x2, 0x0) r1 = openat$dlm_control(0xffffffffffffff9c, &(0x7f0000000080)='/dev/dlm-control\x00', 0x400000, 0x0) ioctl$SNDCTL_MIDI_INFO(r1, 0xc074510c, &(0x7f0000000180)={"2ffa7721f64ca32700128586339e498097444b0722d7bc7eaad2297d8696", 0x474, 0x3, 0xc9af, [0xa57, 0x12, 0xd89, 0x0, 0xdc, 0x10000, 0x2, 0x712, 0x10000, 0x2, 0xff, 0x6, 0x9, 0x7, 0x5, 0x8000, 0x9, 0x8001]}) ioctl$SNAPSHOT_AVAIL_SWAP_SIZE(r1, 0x80083313, &(0x7f00000000c0)) ioctl$SNDCTL_SEQ_PANIC(r0, 0x5111) ioctl$SNDCTL_SEQ_GETTIME(r0, 0x80045113, &(0x7f0000000000)) 22:54:37 executing program 2: r0 = syz_open_dev$ndb(&(0x7f0000000000)='/dev/nbd#\x00', 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x13e) r2 = syz_open_dev$ndb(&(0x7f0000000140)='/dev/nbd#\x00', 0x0, 0x0) ioctl$NBD_CLEAR_SOCK(r2, 0xab04) ioctl$NBD_SET_SOCK(r0, 0xc0045878, 0xffffffffffffffff) 22:54:37 executing program 0: r0 = syz_open_dev$ndb(&(0x7f0000000000)='/dev/nbd#\x00', 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x13e) ioctl$NBD_SET_SOCK(r0, 0x401870cb, 0xffffffffffffffff) 22:54:37 executing program 4: clock_gettime(0x0, &(0x7f0000000000)={0x0, 0x0}) timerfd_settime(0xffffffffffffffff, 0x0, &(0x7f0000000080)={{0x0, 0x989680}, {r0, r1+10000000}}, &(0x7f00000000c0)) openat$snapshot(0xffffffffffffff9c, &(0x7f0000000040)='/dev/snapshot\x00', 0x40181, 0x0) [ 2054.798746] block nbd1: shutting down sockets [ 2054.804627] block nbd1: shutting down sockets 22:54:37 executing program 5: openat$snapshot(0xffffffffffffff9c, &(0x7f0000000000)='/dev/snapshot\x00', 0x0, 0x0) ioctl$SNDCTL_TMR_METRONOME(0xffffffffffffffff, 0x40045407) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)) r0 = openat$sequencer(0xffffffffffffff9c, &(0x7f00000000c0)='/dev/sequencer\x00', 0x2, 0x0) ioctl$SNDCTL_SEQ_PANIC(r0, 0x5111) ioctl$SNDCTL_SEQ_GETTIME(r0, 0x80045113, &(0x7f0000000080)) ioctl$SNDCTL_SEQ_RESET(r0, 0x5100) [ 2054.848679] block nbd0: shutting down sockets [ 2054.859573] block nbd2: shutting down sockets [ 2054.862067] block nbd0: shutting down sockets 22:54:37 executing program 1: r0 = syz_open_dev$ndb(&(0x7f0000000000)='/dev/nbd#\x00', 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x13e) ioctl$NBD_SET_SOCK(r0, 0xc0101282, 0xffffffffffffffff) 22:54:37 executing program 3: openat$snapshot(0xffffffffffffff9c, &(0x7f0000000000)='/dev/snapshot\x00', 0x111004, 0x0) ioctl$SNDCTL_TMR_METRONOME(0xffffffffffffffff, 0x40045407) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)) r0 = openat$sequencer(0xffffffffffffff9c, &(0x7f0000000140)='/dev/sequencer\x00', 0x2, 0x0) ioctl$SNDCTL_SEQ_PANIC(r0, 0x5111) ioctl$SNDCTL_SEQ_RESET(r0, 0x5100) 22:54:37 executing program 0: r0 = syz_open_dev$ndb(&(0x7f0000000000)='/dev/nbd#\x00', 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x13e) ioctl$NBD_SET_SOCK(r0, 0x401870cc, 0xffffffffffffffff) [ 2054.915858] block nbd2: shutting down sockets 22:54:37 executing program 2: r0 = syz_open_dev$ndb(&(0x7f0000000000)='/dev/nbd#\x00', 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x13e) r2 = syz_open_dev$ndb(&(0x7f0000000140)='/dev/nbd#\x00', 0x0, 0x0) ioctl$NBD_CLEAR_SOCK(r2, 0xab04) ioctl$NBD_SET_SOCK(r0, 0xc0101282, 0xffffffffffffffff) 22:54:37 executing program 3: openat$snapshot(0xffffffffffffff9c, &(0x7f0000000000)='/dev/snapshot\x00', 0x0, 0x0) ioctl$SNDCTL_TMR_METRONOME(0xffffffffffffffff, 0x40045407) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)) r0 = openat$sequencer(0xffffffffffffff9c, &(0x7f0000000140)='/dev/sequencer\x00', 0x2, 0x0) ioctl$SNDCTL_SEQ_PANIC(r0, 0x5111) ioctl$SNDCTL_SEQ_RESET(r0, 0x5100) r1 = openat$sequencer(0xffffffffffffff9c, &(0x7f0000000140)='/dev/sequencer\x00', 0x2, 0x0) ioctl$SNDCTL_SEQ_PANIC(r1, 0x5111) ioctl$SNDCTL_FM_4OP_ENABLE(r1, 0x4004510f, &(0x7f0000000080)=0x107b) 22:54:37 executing program 1: r0 = syz_open_dev$ndb(&(0x7f0000000000)='/dev/nbd#\x00', 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x13e) ioctl$NBD_SET_SOCK(r0, 0xc0189436, 0xffffffffffffffff) [ 2055.018140] block nbd0: shutting down sockets [ 2055.022716] block nbd1: shutting down sockets [ 2055.031560] block nbd1: shutting down sockets [ 2055.054938] block nbd0: shutting down sockets 22:54:37 executing program 5: openat$snapshot(0xffffffffffffff9c, &(0x7f0000000000)='/dev/snapshot\x00', 0x0, 0x0) ioctl$SNDCTL_TMR_METRONOME(0xffffffffffffffff, 0x40045407) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)) r0 = openat$sequencer(0xffffffffffffff9c, &(0x7f00000000c0)='/dev/sequencer\x00', 0x2, 0x0) ioctl$SNDCTL_SEQ_PANIC(r0, 0x5111) ioctl$SNDCTL_SEQ_GETTIME(r0, 0x80045113, &(0x7f0000000080)) ioctl$SNDCTL_SEQ_RESET(r0, 0x5100) 22:54:37 executing program 0: r0 = syz_open_dev$ndb(&(0x7f0000000000)='/dev/nbd#\x00', 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x13e) ioctl$NBD_SET_SOCK(r0, 0x4020940d, 0xffffffffffffffff) [ 2055.134546] block nbd2: shutting down sockets [ 2055.196614] block nbd2: shutting down sockets 22:54:37 executing program 5: r0 = syz_open_dev$ndb(&(0x7f0000000000)='/dev/nbd#\x00', 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x13e) ioctl$NBD_SET_SOCK(r0, 0xab08, 0xffffffffffffffff) [ 2055.241189] block nbd1: shutting down sockets 22:54:37 executing program 4: r0 = openat$snapshot(0xffffffffffffff9c, &(0x7f0000000040)='/dev/snapshot\x00', 0x40181, 0x0) r1 = openat$fb0(0xffffffffffffff9c, &(0x7f0000000380)='/dev/fb0\x00', 0x0, 0x0) ioctl$BTRFS_IOC_RESIZE(r1, 0x50009403, 0x0) ioctl$BTRFS_IOC_SCRUB_PROGRESS(r0, 0xc400941d, &(0x7f0000000080)={0x0, 0x51, 0x2}) ioctl$BTRFS_IOC_BALANCE_V2(r1, 0xc4009420, &(0x7f0000000480)={0x0, 0x0, {0x100000000, @struct={0xf2, 0x401}, 0x0, 0x2, 0x3, 0x3, 0x20, 0x6d, 0x1, @usage=0x2, 0xffff, 0xd5d, [0x5, 0x8bb6, 0x0, 0x3, 0x3, 0x9]}, {0x23, @struct={0x401, 0x3b4}, r2, 0x80000006, 0xc90, 0x3, 0x9, 0x8, 0x21, @struct={0x2, 0x1f}, 0x200, 0x1, [0x4, 0xf8b7, 0xfffffffffffffffa, 0x2b, 0x7, 0x1]}, {0xc4c2, @usage=0x7, 0x0, 0x2, 0x1, 0x81, 0x0, 0x4, 0x4, @struct={0x7fffffff, 0xffff0000}, 0xffff, 0x8001, [0x8001, 0x9, 0x5, 0x100000000]}, {0x81, 0x860, 0xfbdf}}) 22:54:37 executing program 2: r0 = syz_open_dev$ndb(&(0x7f0000000000)='/dev/nbd#\x00', 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x13e) r2 = syz_open_dev$ndb(&(0x7f0000000140)='/dev/nbd#\x00', 0x0, 0x0) ioctl$NBD_CLEAR_SOCK(r2, 0xab04) ioctl$NBD_SET_SOCK(r0, 0xc0189436, 0xffffffffffffffff) 22:54:37 executing program 3: openat$snapshot(0xffffffffffffff9c, &(0x7f0000000000)='/dev/snapshot\x00', 0x0, 0x0) ioctl$SNDCTL_TMR_METRONOME(0xffffffffffffffff, 0x40045407) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)) r0 = openat$sequencer(0xffffffffffffff9c, &(0x7f0000000140)='/dev/sequencer\x00', 0x2, 0x0) ioctl$SNDCTL_TMR_START(r0, 0x5402) ioctl$SNDCTL_SEQ_PANIC(r0, 0x5111) ioctl$SNDCTL_SEQ_RESET(r0, 0x5100) [ 2055.275878] block nbd0: shutting down sockets [ 2055.286096] block nbd1: shutting down sockets [ 2055.304844] block nbd0: shutting down sockets [ 2055.342884] block nbd5: NBD_DISCONNECT [ 2055.357029] block nbd5: Disconnected due to user request. [ 2055.370220] block nbd5: shutting down sockets [ 2055.375017] block nbd2: shutting down sockets 22:54:37 executing program 1: r0 = syz_open_dev$ndb(&(0x7f0000000000)='/dev/nbd#\x00', 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x13e) ioctl$NBD_SET_SOCK(r0, 0xc020660b, 0xffffffffffffffff) 22:54:37 executing program 0: r0 = syz_open_dev$ndb(&(0x7f0000000000)='/dev/nbd#\x00', 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x13e) ioctl$NBD_SET_SOCK(r0, 0x80081270, 0xffffffffffffffff) [ 2055.391310] block nbd2: shutting down sockets 22:54:37 executing program 5: futex(&(0x7f0000000000)=0x2, 0x3, 0x1, &(0x7f0000000080), &(0x7f00000000c0)=0xf8, 0x1) clock_gettime(0x4, &(0x7f0000000180)) openat$snapshot(0xffffffffffffff9c, &(0x7f0000000040)='/dev/snapshot\x00', 0x40181, 0x0) r0 = openat$sequencer(0xffffffffffffff9c, &(0x7f0000000100)='/dev/sequencer\x00', 0x1a0401, 0x0) ioctl$SNDCTL_FM_4OP_ENABLE(r0, 0x4004510f, &(0x7f0000000140)=0xd8c0) r1 = openat$sequencer(0xffffffffffffff9c, &(0x7f0000000140)='/dev/sequencer\x00', 0x2, 0x0) ioctl$SNDCTL_SEQ_PANIC(r1, 0x5111) ioctl$SNDCTL_SEQ_PANIC(r1, 0x5111) 22:54:38 executing program 2: r0 = syz_open_dev$ndb(&(0x7f0000000000)='/dev/nbd#\x00', 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x13e) r2 = syz_open_dev$ndb(&(0x7f0000000140)='/dev/nbd#\x00', 0x0, 0x0) ioctl$NBD_CLEAR_SOCK(r2, 0xab04) ioctl$NBD_SET_SOCK(r0, 0xc020660b, 0xffffffffffffffff) 22:54:38 executing program 3: openat$snapshot(0xffffffffffffff9c, &(0x7f0000000000)='/dev/snapshot\x00', 0x0, 0x0) ioctl$SNDCTL_TMR_METRONOME(0xffffffffffffffff, 0x40045407) r0 = openat$sequencer(0xffffffffffffff9c, &(0x7f0000000080)='/dev/sequencer\x00', 0x400402, 0x0) ioctl$SNDCTL_TMR_TEMPO(r0, 0xc0045405, &(0x7f00000000c0)=0xa3) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)) r1 = openat$sequencer(0xffffffffffffff9c, &(0x7f0000000100)='/dev/sequencer\x00', 0x101003, 0x0) ioctl$SNDCTL_SEQ_PANIC(r1, 0x5111) ioctl$SNDCTL_SEQ_RESET(r1, 0x5100) [ 2055.501878] block nbd1: shutting down sockets [ 2055.525528] block nbd1: shutting down sockets [ 2055.532056] block nbd0: shutting down sockets [ 2055.552804] block nbd0: shutting down sockets 22:54:38 executing program 1: r0 = syz_open_dev$ndb(&(0x7f0000000000)='/dev/nbd#\x00', 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x13e) ioctl$NBD_SET_SOCK(r0, 0xc0481273, 0xffffffffffffffff) 22:54:38 executing program 5: futex(&(0x7f0000000000)=0x2, 0x3, 0x1, &(0x7f0000000080), &(0x7f00000000c0)=0xf8, 0x1) clock_gettime(0x4, &(0x7f0000000180)) openat$snapshot(0xffffffffffffff9c, &(0x7f0000000040)='/dev/snapshot\x00', 0x40181, 0x0) r0 = openat$sequencer(0xffffffffffffff9c, &(0x7f0000000100)='/dev/sequencer\x00', 0x1a0401, 0x0) ioctl$SNDCTL_FM_4OP_ENABLE(r0, 0x4004510f, &(0x7f0000000140)=0xd8c0) r1 = openat$sequencer(0xffffffffffffff9c, &(0x7f0000000140)='/dev/sequencer\x00', 0x2, 0x0) ioctl$SNDCTL_SEQ_PANIC(r1, 0x5111) ioctl$SNDCTL_SEQ_PANIC(r1, 0x5111) 22:54:38 executing program 4: openat$snapshot(0xffffffffffffff9c, &(0x7f0000000000)='/dev/snapshot\x00', 0x40181, 0x0) 22:54:38 executing program 0: r0 = syz_open_dev$ndb(&(0x7f0000000000)='/dev/nbd#\x00', 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x13e) ioctl$NBD_SET_SOCK(r0, 0x80081272, 0xffffffffffffffff) [ 2055.591422] block nbd2: shutting down sockets [ 2055.628562] block nbd2: shutting down sockets 22:54:38 executing program 2: r0 = syz_open_dev$ndb(&(0x7f0000000000)='/dev/nbd#\x00', 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x13e) r2 = syz_open_dev$ndb(&(0x7f0000000140)='/dev/nbd#\x00', 0x0, 0x0) ioctl$NBD_CLEAR_SOCK(r2, 0xab04) ioctl$NBD_SET_SOCK(r0, 0xc0481273, 0xffffffffffffffff) 22:54:38 executing program 3: r0 = openat$snapshot(0xffffffffffffff9c, &(0x7f00000000c0)='/dev/snapshot\x00', 0x0, 0x0) ioctl$SNDCTL_TMR_METRONOME(0xffffffffffffffff, 0x40045407) ioctl$SNAPSHOT_UNFREEZE(r0, 0x3302) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)) r1 = openat$sequencer(0xffffffffffffff9c, &(0x7f0000000080)='/dev/sequencer\x00', 0x2, 0x0) ioctl$SNDCTL_SEQ_PANIC(r1, 0x5111) ioctl$SNDCTL_SEQ_RESET(r1, 0x5100) [ 2055.684608] block nbd0: shutting down sockets [ 2055.690732] block nbd1: shutting down sockets [ 2055.697979] block nbd1: shutting down sockets [ 2055.711971] block nbd0: shutting down sockets [ 2055.756093] block nbd2: shutting down sockets 22:54:38 executing program 1: r0 = syz_open_dev$ndb(&(0x7f0000000000)='/dev/nbd#\x00', 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x13e) r2 = socket$nl_generic(0x10, 0x3, 0x10) sendmsg$MPTCP_PM_CMD_SET_LIMITS(r2, &(0x7f0000000c80)={&(0x7f0000000bc0)={0x10, 0x0, 0x0, 0x20400000}, 0xc, &(0x7f0000000c40)={&(0x7f0000000c00)={0x14}, 0x14}}, 0x0) r3 = syz_genetlink_get_family_id$ethtool(&(0x7f0000000100)='ethtool\x00') sendmsg$ETHTOOL_MSG_EEE_SET(r2, &(0x7f00000004c0)={&(0x7f00000000c0)={0x10, 0x0, 0x0, 0x200000}, 0xc, &(0x7f0000000480)={&(0x7f0000000500)={0x264, r3, 0x200, 0x70bd28, 0x25dfdbfb, {}, [@ETHTOOL_A_EEE_TX_LPI_TIMER={0x8, 0x7, 0x1}, @ETHTOOL_A_EEE_TX_LPI_TIMER={0x8, 0x7, 0x7}, @ETHTOOL_A_EEE_ENABLED={0x0, 0x5, 0x1}, @ETHTOOL_A_EEE_MODES_OURS={0x1ac, 0x2, 0x0, 0x1, [@ETHTOOL_A_BITSET_VALUE={0x4d, 0x4, "9cc124e86541e4f27616b26a8d91b39834d14026a9ef840609d16c5567d4a249b241bfd2ed2c5cf9b0e95ab201670fb7a74251fdc1beda65a30d673059bf70f6f45aa180ac581dd951"}, @ETHTOOL_A_BITSET_SIZE={0x8, 0x2, 0x10bde}, @ETHTOOL_A_BITSET_MASK={0x6b, 0x5, "77e5b41f458eb443dfc61e0ae65d32a60627aef37fef161a702a4e39910ee2f7c8ab13f6a61be2fc84601aaca95ee597d145a5d57a8ac49694c2de2089a98b7a534be6eed8ca932e7963a8c1f11737dbd7c5ba0dc9dd4ac48f2a90458af53aff6c27ffa219423e"}, @ETHTOOL_A_BITSET_VALUE={0x0, 0x4, "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"}, @ETHTOOL_A_BITSET_MASK={0x91, 0x5, "43b9feb3837afbc520943274110440cf2507e7754d2d56b941b71427510295b0663d964ce6065447bcbfa7effbfd873a5f592def2b2d68d51e2ad2563ea5cdf192e2809b0642c8b7a50b252d5de67e20b4041c41a4c81c3ffbaa3736b77b545547298eff7b8e35acea975a70670d2503d3ec31856a2ae8fe774531082655ffdaab7c582ba9ab209a6c45f45986"}, @ETHTOOL_A_BITSET_NOMASK={0x4}, @ETHTOOL_A_BITSET_BITS={0x40, 0x3, 0x0, 0x1, [{0x3c, 0x1, 0x0, 0x1, [@ETHTOOL_A_BITSET_BIT_VALUE={0x4}, @ETHTOOL_A_BITSET_BIT_NAME={0xe, 0x2, '/dev/nbd#\x00'}, @ETHTOOL_A_BITSET_BIT_VALUE={0x4}, @ETHTOOL_A_BITSET_BIT_NAME={0xe, 0x2, '/dev/nbd#\x00'}, @ETHTOOL_A_BITSET_BIT_NAME={0xe, 0x2, '/dev/nbd#\x00'}]}]}, @ETHTOOL_A_BITSET_MASK={0x0, 0x5, "a89b5c54b9285599bc5a2f281e99b02f369605964a725c0d5989339ab698bafd6cdd900845782e155731a3c3f003a33ecb077b557c874193bda953f72969f39b23e54b956da2d1f1955b4bef79287b8a8f8cb88a3e03082ea0b4993ec3240800ba7caa4a7cb7a1"}]}, @ETHTOOL_A_EEE_TX_LPI_ENABLED={0x5}, @ETHTOOL_A_EEE_ENABLED={0x5, 0x5, 0x1}, @ETHTOOL_A_EEE_TX_LPI_TIMER={0x8, 0x7, 0x3}, @ETHTOOL_A_EEE_ENABLED={0x5}, @ETHTOOL_A_EEE_HEADER={0x5c, 0x1, 0x0, 0x1, [@ETHTOOL_A_HEADER_DEV_INDEX={0x8}, @ETHTOOL_A_HEADER_FLAGS={0x8, 0x3, 0x1}, @ETHTOOL_A_HEADER_FLAGS={0x8, 0x3, 0x2}, @ETHTOOL_A_HEADER_FLAGS={0x8, 0x3, 0x1}, @ETHTOOL_A_HEADER_DEV_NAME={0x14, 0x2, 'wlan0\x00'}, @ETHTOOL_A_HEADER_FLAGS={0x8, 0x3, 0x3}, @ETHTOOL_A_HEADER_FLAGS={0x8, 0x3, 0x2}, @ETHTOOL_A_HEADER_DEV_NAME={0x14, 0x2, 'lo\x00'}, @ETHTOOL_A_HEADER_DEV_INDEX]}]}, 0x264}, 0x1, 0x0, 0x0, 0x4008016}, 0x8044) ioctl$SNDCTL_SEQ_RESETSAMPLES(0xffffffffffffffff, 0x40045109, &(0x7f0000000080)=0x8e1f) ioctl$NBD_SET_SOCK(r0, 0xab03, 0xffffffffffffffff) 22:54:38 executing program 0: r0 = syz_open_dev$ndb(&(0x7f0000000000)='/dev/nbd#\x00', 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x13e) ioctl$NBD_SET_SOCK(r0, 0xc0045878, 0xffffffffffffffff) 22:54:38 executing program 4: openat$snapshot(0xffffffffffffff9c, &(0x7f0000000040)='/dev/snapshot\x00', 0x450781, 0x0) [ 2055.802829] block nbd2: shutting down sockets 22:54:38 executing program 2: r0 = syz_open_dev$ndb(&(0x7f0000000000)='/dev/nbd#\x00', 0x0, 0x0) r1 = openat$dlm_control(0xffffffffffffff9c, &(0x7f0000000000)='/dev/dlm-control\x00', 0x0, 0x0) ioctl$SNDRV_PCM_IOCTL_XRUN(r1, 0x4148, 0x0) openat$dlm_control(0xffffffffffffff9c, &(0x7f00000000c0)='/dev/dlm-control\x00', 0x8a000, 0x0) r2 = openat$dlm_control(0xffffffffffffff9c, &(0x7f0000000000)='/dev/dlm-control\x00', 0x0, 0x0) ioctl$SNDRV_PCM_IOCTL_XRUN(r2, 0x4148, 0x0) syz_open_dev$ndb(&(0x7f0000000100)='/dev/nbd#\x00', 0x0, 0xc0) openat$dlm_control(0xffffffffffffff9c, &(0x7f0000000180)='/dev/dlm-control\x00', 0x0, 0x0) ioctl$NBD_SET_SIZE(r1, 0xab02, 0x200000000003) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r0, 0xab00, r4) ioctl$NBD_SET_SOCK(r0, 0xab00, r3) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x13e) r5 = syz_open_dev$ndb(&(0x7f0000000140)='/dev/nbd#\x00', 0x0, 0x0) ioctl$NBD_CLEAR_SOCK(r5, 0xab04) ioctl$NBD_SET_SOCK(r0, 0xab03, 0xffffffffffffffff) ioctl$NBD_CLEAR_QUE(r0, 0xab05) 22:54:38 executing program 3: openat$snapshot(0xffffffffffffff9c, &(0x7f0000000000)='/dev/snapshot\x00', 0x551a02, 0x0) ioctl$SNDCTL_TMR_METRONOME(0xffffffffffffffff, 0x40045407) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)) r0 = openat$sequencer(0xffffffffffffff9c, &(0x7f0000000140)='/dev/sequencer\x00', 0x2, 0x0) ioctl$SNDCTL_SEQ_PANIC(r0, 0x5111) ioctl$SNDCTL_SEQ_RESET(r0, 0x5100) r1 = openat$fb0(0xffffffffffffff9c, &(0x7f0000000380)='/dev/fb0\x00', 0x0, 0x0) ioctl$BTRFS_IOC_RESIZE(r1, 0x50009403, 0x0) ioctl$BTRFS_IOC_GET_DEV_STATS(r1, 0xc4089434, &(0x7f0000000180)={0x0, 0x40, 0x1, [0x4, 0xfffffffffffffffc, 0x6, 0xfffffffffffffff8, 0x9], [0x101, 0xfffffffffffffffe, 0x20, 0x5, 0x0, 0x6, 0x0, 0x3, 0x40, 0x9, 0x1, 0x6, 0x80000000, 0x7, 0x4, 0x8001, 0x9, 0x1, 0x100000001, 0x3, 0x800, 0x5, 0x9, 0x1, 0x1, 0x1, 0x6, 0x8, 0x0, 0x9, 0x10001, 0x4, 0x5, 0x6, 0x38000000000000, 0x8000, 0x51, 0xff, 0x6, 0x430, 0x7, 0x0, 0x3, 0x80, 0x7fff, 0x2, 0x6, 0x0, 0x2, 0x3, 0x3, 0x5c2, 0x1, 0x9, 0x100000001, 0x2, 0x9, 0x6, 0xf98, 0x1, 0xd16, 0x4, 0x7, 0x2, 0x1f, 0x61e, 0x8, 0x4, 0x5, 0x7, 0xfffffffffffffffa, 0x6, 0xfffffffffffffffc, 0xbc, 0x8, 0xfffffffffffff000, 0x800, 0x0, 0x7fffffff, 0xff, 0x6, 0x18, 0x80000001, 0xfff, 0x80000001, 0x0, 0x8, 0x8, 0x80, 0x5, 0xef18, 0xfffffffffffffb74, 0xe2b, 0x8, 0x8000, 0x1f, 0x6, 0x18, 0x5, 0x4, 0xfffffffffffffffc, 0x0, 0xffffffff, 0x5f0, 0x4, 0xbb9, 0x200, 0x6d206cf8, 0x80000000, 0x7, 0x6, 0x5, 0x200, 0x9, 0x8001, 0x5, 0x4, 0xffffffffffffffa3, 0x8916, 0x9, 0x10000]}) 22:54:38 executing program 4: r0 = openat$dlm_control(0xffffffffffffff9c, &(0x7f0000000000)='/dev/dlm-control\x00', 0x200, 0x0) ioctl$DMA_BUF_IOCTL_SYNC(r0, 0x40086200, &(0x7f0000000080)=0x2) r1 = socket$vsock_dgram(0x28, 0x2, 0x0) ioctl$BTRFS_IOC_BALANCE_PROGRESS(r1, 0x84009422, &(0x7f0000000100)={0x0, 0x0, {0x0, @struct, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @struct}, {}, {0x0, @struct}}) openat$snapshot(0xffffffffffffff9c, &(0x7f00000000c0)='/dev/snapshot\x00', 0x4c4f00, 0x0) ioctl$NBD_SET_BLKSIZE(r0, 0xab01, 0x5) r2 = socket$nl_generic(0x10, 0x3, 0x10) sendmsg$MPTCP_PM_CMD_SET_LIMITS(r2, &(0x7f0000000c80)={&(0x7f0000000bc0)={0x10, 0x0, 0x0, 0x20400000}, 0xc, &(0x7f0000000c40)={&(0x7f0000000c00)={0x14}, 0x14}}, 0x0) r3 = syz_genetlink_get_family_id$nbd(&(0x7f0000000500)='nbd\x00') sendmsg$NBD_CMD_RECONFIGURE(r2, &(0x7f00000005c0)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x20000000}, 0xc, &(0x7f0000000580)={&(0x7f0000000540)={0x28, r3, 0x300, 0x70bd2c, 0x25dfdbfe, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x8000}]}, 0x28}, 0x1, 0x0, 0x0, 0x20004880}, 0x200408c1) ioctl$NBD_CLEAR_QUE(r0, 0xab05) 22:54:38 executing program 5: futex(&(0x7f0000000000)=0x2, 0x3, 0x1, &(0x7f0000000080), &(0x7f00000000c0)=0xf8, 0x1) clock_gettime(0x4, &(0x7f0000000180)) openat$snapshot(0xffffffffffffff9c, &(0x7f0000000040)='/dev/snapshot\x00', 0x40181, 0x0) r0 = openat$sequencer(0xffffffffffffff9c, &(0x7f0000000100)='/dev/sequencer\x00', 0x1a0401, 0x0) ioctl$SNDCTL_FM_4OP_ENABLE(r0, 0x4004510f, &(0x7f0000000140)=0xd8c0) r1 = openat$sequencer(0xffffffffffffff9c, &(0x7f0000000140)='/dev/sequencer\x00', 0x2, 0x0) ioctl$SNDCTL_SEQ_PANIC(r1, 0x5111) ioctl$SNDCTL_SEQ_PANIC(r1, 0x5111) [ 2055.926906] block nbd0: shutting down sockets [ 2055.973136] block nbd0: shutting down sockets [ 2055.996413] block nbd2: shutting down sockets 22:54:38 executing program 0: r0 = syz_open_dev$ndb(&(0x7f0000000000)='/dev/nbd#\x00', 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x13e) ioctl$NBD_SET_SOCK(r0, 0xc0045878, 0xffffffffffffffff) 22:54:38 executing program 3: openat$snapshot(0xffffffffffffff9c, &(0x7f0000000000)='/dev/snapshot\x00', 0x0, 0x0) ioctl$SNDCTL_TMR_METRONOME(0xffffffffffffffff, 0x40045407) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)) r0 = openat$sequencer(0xffffffffffffff9c, &(0x7f0000000140)='/dev/sequencer\x00', 0x2, 0x0) r1 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x20000) r2 = openat$fb0(0xffffffffffffff9c, &(0x7f0000000380)='/dev/fb0\x00', 0x0, 0x0) ioctl$BTRFS_IOC_RESIZE(r2, 0x50009403, 0x0) r3 = openat$sequencer2(0xffffffffffffff9c, &(0x7f00000000c0)='/dev/sequencer2\x00', 0x20000, 0x0) openat$fb0(0xffffffffffffff9c, &(0x7f0000000180)='/dev/fb0\x00', 0x4400, 0x0) ioctl$SNDCTL_SEQ_SYNC(r3, 0x5101) ioctl$BTRFS_IOC_RESIZE(r1, 0x50009403, &(0x7f0000000100)=ANY=[@ANYRES32=r2, @ANYBLOB='\x00\x00\x00\x00', @ANYRESDEC=0x0, @ANYBLOB=':000000000000671098$9t']) ioctl$SNDCTL_SEQ_PANIC(r0, 0x5111) ioctl$SNDCTL_SEQ_RESET(r0, 0x5100) 22:54:38 executing program 4: ioctl$SNDCTL_TMR_TEMPO(0xffffffffffffffff, 0xc0045405, &(0x7f0000000000)=0x129) ioctl$SNDCTL_SEQ_NRSYNTHS(0xffffffffffffffff, 0x8004510a, &(0x7f00000000c0)) ioctl$DRM_IOCTL_PRIME_FD_TO_HANDLE(0xffffffffffffffff, 0xc00c642e, &(0x7f0000000080)={0x0}) ioctl$DRM_IOCTL_GEM_OPEN(0xffffffffffffffff, 0xc010640b, &(0x7f0000000100)) r1 = syz_open_dev$dri(&(0x7f0000001400)='/dev/dri/card#\x00', 0x0, 0x0) ioctl$DRM_IOCTL_MODE_CREATEPROPBLOB(r1, 0xc01064bd, &(0x7f0000001480)={0x0}) ioctl$DRM_IOCTL_GEM_FLINK(r1, 0xc008640a, &(0x7f0000000180)={r0}) openat$snapshot(0xffffffffffffff9c, &(0x7f0000000040)='/dev/snapshot\x00', 0x40181, 0x0) r2 = syz_open_dev$dri(&(0x7f0000001400)='/dev/dri/card#\x00', 0xffffffffffffffff, 0x0) ioctl$DRM_IOCTL_MODE_CREATEPROPBLOB(r2, 0xc01064bd, &(0x7f0000001480)={0x0}) ioctl$DRM_IOCTL_MODE_GETPLANE(r2, 0xc02064b6, &(0x7f0000000200)={0x0, 0x0, 0x0, 0x0, 0x0, 0x8, &(0x7f00000001c0)=[0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0]}) ioctl$DRM_IOCTL_GEM_FLINK(0xffffffffffffffff, 0xc008640a, &(0x7f0000000140)={r0}) [ 2056.104030] block nbd2: Device being setup by another task [ 2056.118999] block nbd2: shutting down sockets [ 2056.135792] block nbd0: shutting down sockets 22:54:38 executing program 5: r0 = syz_open_dev$ndb(&(0x7f0000000000)='/dev/nbd#\x00', 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x13e) r2 = syz_open_dev$ndb(&(0x7f0000000140)='/dev/nbd#\x00', 0x0, 0x0) ioctl$NBD_CLEAR_SOCK(r2, 0xab04) ioctl$NBD_SET_SOCK(r0, 0x401070c9, 0xffffffffffffffff) [ 2056.178387] block nbd0: shutting down sockets 22:54:38 executing program 2: r0 = syz_open_dev$ndb(&(0x7f0000000000)='/dev/nbd#\x00', 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x13e) r2 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x40000) ioctl$NBD_CLEAR_SOCK(r2, 0xab04) ioctl$NBD_SET_SOCK(r0, 0xab03, 0xffffffffffffffff) [ 2056.271551] block nbd5: shutting down sockets [ 2056.310590] block nbd2: shutting down sockets [ 2056.347450] block nbd2: shutting down sockets 22:54:39 executing program 1: r0 = syz_open_dev$ndb(&(0x7f0000000000)='/dev/nbd#\x00', 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) read$fb(0xffffffffffffffff, &(0x7f0000000080)=""/11, 0xb) r2 = openat$dlm_control(0xffffffffffffff9c, &(0x7f0000000000)='/dev/dlm-control\x00', 0x0, 0x0) ioctl$SNDRV_PCM_IOCTL_XRUN(r2, 0x4148, 0x0) r3 = openat$dlm_control(0xffffffffffffff9c, &(0x7f0000000000)='/dev/dlm-control\x00', 0x0, 0x0) ioctl$SNDRV_PCM_IOCTL_XRUN(r3, 0x4148, 0x0) ioctl$NBD_SET_SOCK(r2, 0xab00, r3) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x13e) ioctl$NBD_SET_SOCK(r0, 0xab03, 0xffffffffffffffff) 22:54:39 executing program 0: r0 = syz_open_dev$ndb(&(0x7f0000000000)='/dev/nbd#\x00', 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x13e) ioctl$NBD_SET_SOCK(r0, 0xc0101282, 0xffffffffffffffff) 22:54:39 executing program 5: r0 = syz_open_dev$ndb(&(0x7f0000000000)='/dev/nbd#\x00', 0x0, 0x0) r1 = openat$dlm_control(0xffffffffffffff9c, &(0x7f0000000000)='/dev/dlm-control\x00', 0x0, 0x0) ioctl$SNDRV_PCM_IOCTL_XRUN(r1, 0x4148, 0x0) openat$dlm_control(0xffffffffffffff9c, &(0x7f00000000c0)='/dev/dlm-control\x00', 0x8a000, 0x0) r2 = openat$dlm_control(0xffffffffffffff9c, &(0x7f0000000000)='/dev/dlm-control\x00', 0x0, 0x0) ioctl$SNDRV_PCM_IOCTL_XRUN(r2, 0x4148, 0x0) syz_open_dev$ndb(&(0x7f0000000100)='/dev/nbd#\x00', 0x0, 0xc0) openat$dlm_control(0xffffffffffffff9c, &(0x7f0000000180)='/dev/dlm-control\x00', 0x0, 0x0) ioctl$NBD_SET_SIZE(r1, 0xab02, 0x200000000003) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r0, 0xab00, r4) ioctl$NBD_SET_SOCK(r0, 0xab00, r3) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x13e) r5 = syz_open_dev$ndb(&(0x7f0000000140)='/dev/nbd#\x00', 0x0, 0x0) ioctl$NBD_CLEAR_SOCK(r5, 0xab04) ioctl$NBD_SET_SOCK(r0, 0xab03, 0xffffffffffffffff) ioctl$NBD_CLEAR_QUE(r0, 0xab05) 22:54:39 executing program 3: openat$snapshot(0xffffffffffffff9c, &(0x7f0000000080)='/dev/snapshot\x00', 0x33d2c2, 0x0) ioctl$SNDCTL_TMR_METRONOME(0xffffffffffffffff, 0x40045407) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)) r0 = openat$sequencer(0xffffffffffffff9c, &(0x7f0000000140)='/dev/sequencer\x00', 0x2, 0x0) ioctl$SNDCTL_SEQ_PANIC(r0, 0x5111) ioctl$SNDCTL_SEQ_RESET(r0, 0x5100) 22:54:39 executing program 4: write$cgroup_subtree(0xffffffffffffffff, &(0x7f0000000000)={[{0x2d, 'io'}]}, 0x4) openat$snapshot(0xffffffffffffff9c, &(0x7f0000000040)='/dev/snapshot\x00', 0x40181, 0x0) 22:54:39 executing program 2: r0 = syz_open_dev$ndb(&(0x7f0000000000)='/dev/nbd#\x00', 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x4d3) r2 = syz_open_dev$ndb(&(0x7f0000000140)='/dev/nbd#\x00', 0x0, 0x0) ioctl$NBD_CLEAR_SOCK(r2, 0xab04) ioctl$NBD_SET_SOCK(r0, 0xab03, 0xffffffffffffffff) getsockname$packet(0xffffffffffffffff, &(0x7f00000000c0)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000100)=0x14) getsockname$packet(0xffffffffffffffff, &(0x7f0000000180)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @remote}, &(0x7f00000001c0)=0x14) sendmsg$ETHTOOL_MSG_LINKINFO_SET(0xffffffffffffffff, &(0x7f0000000340)={&(0x7f0000000080)={0x10, 0x0, 0x0, 0x8000}, 0xc, &(0x7f0000000300)={&(0x7f0000000200)={0xcc, 0x0, 0x10, 0x70bd26, 0x25dfdbfd, {}, [@ETHTOOL_A_LINKINFO_HEADER={0x54, 0x1, 0x0, 0x1, [@ETHTOOL_A_HEADER_DEV_NAME={0x14, 0x2, 'batadv_slave_0\x00'}, @ETHTOOL_A_HEADER_DEV_INDEX={0x8}, @ETHTOOL_A_HEADER_FLAGS={0x8, 0x3, 0x1}, @ETHTOOL_A_HEADER_FLAGS={0x8, 0x3, 0x2}, @ETHTOOL_A_HEADER_DEV_NAME={0x14, 0x2, 'veth0_to_bond\x00'}, @ETHTOOL_A_HEADER_DEV_INDEX={0x8, 0x1, r3}, @ETHTOOL_A_HEADER_DEV_INDEX={0x8}]}, @ETHTOOL_A_LINKINFO_PORT={0x5, 0x2, 0x7d}, @ETHTOOL_A_LINKINFO_PORT={0x5, 0x2, 0xa1}, @ETHTOOL_A_LINKINFO_HEADER={0x4c, 0x1, 0x0, 0x1, [@ETHTOOL_A_HEADER_FLAGS={0x8}, @ETHTOOL_A_HEADER_DEV_NAME={0x14, 0x2, 'nr0\x00'}, @ETHTOOL_A_HEADER_FLAGS={0x8, 0x3, 0x2}, @ETHTOOL_A_HEADER_DEV_INDEX={0x8}, @ETHTOOL_A_HEADER_DEV_NAME={0x14, 0x2, 'ip6gretap0\x00'}, @ETHTOOL_A_HEADER_DEV_INDEX={0x8, 0x1, r4}]}, @ETHTOOL_A_LINKINFO_PORT={0x5, 0x2, 0x2c}]}, 0xcc}, 0x1, 0x0, 0x0, 0x4000080}, 0x44000) [ 2056.667190] block nbd1: Receive control failed (result -32) [ 2056.668667] block nbd1: Device being setup by another task [ 2056.687992] block nbd1: shutting down sockets [ 2056.741329] block nbd5: shutting down sockets [ 2056.748403] block nbd0: shutting down sockets [ 2056.762694] block nbd2: shutting down sockets [ 2056.767772] block nbd0: shutting down sockets [ 2056.794867] block nbd2: shutting down sockets 22:54:39 executing program 3: openat$snapshot(0xffffffffffffff9c, &(0x7f0000000000)='/dev/snapshot\x00', 0x0, 0x0) ioctl$SNDCTL_TMR_METRONOME(0xffffffffffffffff, 0x40045407) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)) r0 = openat$sequencer(0xffffffffffffff9c, &(0x7f0000000140)='/dev/sequencer\x00', 0x2, 0x0) openat$sequencer(0xffffffffffffff9c, &(0x7f0000000080)='/dev/sequencer\x00', 0x6c8001, 0x0) r1 = openat$sequencer(0xffffffffffffff9c, &(0x7f0000000140)='/dev/sequencer\x00', 0x2, 0x0) ioctl$SNDCTL_SEQ_PANIC(r1, 0x5111) r2 = openat$dlm_control(0xffffffffffffff9c, &(0x7f0000000000)='/dev/dlm-control\x00', 0x0, 0x0) ioctl$SNDRV_PCM_IOCTL_XRUN(r2, 0x4148, 0x0) ioctl$NBD_SET_SIZE_BLOCKS(r2, 0xab07, 0x1) ioctl$SNDCTL_SEQ_PANIC(r0, 0x5111) ioctl$SNDCTL_SEQ_RESET(r0, 0x5100) r3 = openat$dlm_control(0xffffffffffffff9c, &(0x7f0000000000)='/dev/dlm-control\x00', 0x0, 0x0) ioctl$SNDRV_PCM_IOCTL_XRUN(r3, 0x4148, 0x0) ioctl$SNDRV_PCM_IOCTL_PAUSE(r3, 0x40044145, &(0x7f00000000c0)=0x9) 22:54:39 executing program 2: r0 = getpid() capset(&(0x7f0000000000)={0x19980330, r0}, 0x0) capset(&(0x7f0000000280)={0x20080522, r0}, &(0x7f00000002c0)={0x0, 0x43, 0x401, 0x96, 0x8, 0x5}) r1 = syz_open_dev$ndb(&(0x7f0000000000)='/dev/nbd#\x00', 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) prlimit64(r0, 0x4, &(0x7f0000000300)={0x7, 0xda3e}, &(0x7f0000000340)) ioctl$NBD_SET_FLAGS(r1, 0xab0a, 0x13e) r3 = syz_open_dev$ndb(&(0x7f0000000140)='/dev/nbd#\x00', 0x0, 0x0) ioctl$NBD_CLEAR_SOCK(r1, 0xab04) sendmsg$MPTCP_PM_CMD_GET_ADDR(0xffffffffffffffff, &(0x7f0000000100)={&(0x7f0000000080)={0x10, 0x0, 0x0, 0x800000}, 0xc, &(0x7f00000000c0)={&(0x7f0000000180)={0xc8, 0x0, 0x4, 0x70bd25, 0x25dfdbfd, {}, [@MPTCP_PM_ATTR_SUBFLOWS={0x8, 0x3, 0x2}, @MPTCP_PM_ATTR_ADDR={0x4c, 0x1, 0x0, 0x1, [@MPTCP_PM_ADDR_ATTR_FAMILY={0x6, 0x1, 0xa}, @MPTCP_PM_ADDR_ATTR_ADDR6={0x14, 0x4, @initdev={0xfe, 0x88, [], 0x0, 0x0}}, @MPTCP_PM_ADDR_ATTR_ADDR6={0x14, 0x4, @private0}, @MPTCP_PM_ADDR_ATTR_ID={0x5, 0x2, 0x7}, @MPTCP_PM_ADDR_ATTR_ID={0x5, 0x2, 0x8}, @MPTCP_PM_ADDR_ATTR_PORT={0x6, 0x5, 0x4e23}]}, @MPTCP_PM_ATTR_ADDR={0x1c, 0x1, 0x0, 0x1, [@MPTCP_PM_ADDR_ATTR_FAMILY={0x6, 0x1, 0x2}, @MPTCP_PM_ADDR_ATTR_ADDR4={0x8, 0x3, @multicast2}, @MPTCP_PM_ADDR_ATTR_IF_IDX={0x8}]}, @MPTCP_PM_ATTR_ADDR={0x4}, @MPTCP_PM_ATTR_ADDR={0x24, 0x1, 0x0, 0x1, [@MPTCP_PM_ADDR_ATTR_ADDR4={0x8, 0x3, @empty}, @MPTCP_PM_ADDR_ATTR_ID={0x5, 0x2, 0x6}, @MPTCP_PM_ADDR_ATTR_ADDR4={0x8, 0x3, @multicast1}, @MPTCP_PM_ADDR_ATTR_FLAGS={0x8}]}, @MPTCP_PM_ATTR_SUBFLOWS={0x8, 0x3, 0x8}, @MPTCP_PM_ATTR_ADDR={0x14, 0x1, 0x0, 0x1, [@MPTCP_PM_ADDR_ATTR_ID={0x5, 0x2, 0xc4}, @MPTCP_PM_ADDR_ATTR_FLAGS={0x8, 0x6, 0x4}]}]}, 0xc8}, 0x1, 0x0, 0x0, 0x10}, 0x20008800) ioctl$NBD_CLEAR_SOCK(r3, 0xab04) ioctl$NBD_SET_SOCK(r1, 0xab03, 0xffffffffffffffff) 22:54:39 executing program 0: r0 = syz_open_dev$ndb(&(0x7f0000000000)='/dev/nbd#\x00', 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x13e) ioctl$NBD_SET_SOCK(r0, 0xc0189436, 0xffffffffffffffff) 22:54:39 executing program 5: r0 = syz_open_dev$ndb(&(0x7f0000000000)='/dev/nbd#\x00', 0x0, 0x0) r1 = openat$dlm_control(0xffffffffffffff9c, &(0x7f0000000000)='/dev/dlm-control\x00', 0x0, 0x0) ioctl$SNDRV_PCM_IOCTL_XRUN(r1, 0x4148, 0x0) openat$dlm_control(0xffffffffffffff9c, &(0x7f00000000c0)='/dev/dlm-control\x00', 0x8a000, 0x0) r2 = openat$dlm_control(0xffffffffffffff9c, &(0x7f0000000000)='/dev/dlm-control\x00', 0x0, 0x0) ioctl$SNDRV_PCM_IOCTL_XRUN(r2, 0x4148, 0x0) syz_open_dev$ndb(&(0x7f0000000100)='/dev/nbd#\x00', 0x0, 0xc0) openat$dlm_control(0xffffffffffffff9c, &(0x7f0000000180)='/dev/dlm-control\x00', 0x0, 0x0) ioctl$NBD_SET_SIZE(r1, 0xab02, 0x200000000003) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r0, 0xab00, r4) ioctl$NBD_SET_SOCK(r0, 0xab00, r3) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x13e) r5 = syz_open_dev$ndb(&(0x7f0000000140)='/dev/nbd#\x00', 0x0, 0x0) ioctl$NBD_CLEAR_SOCK(r5, 0xab04) ioctl$NBD_SET_SOCK(r0, 0xab03, 0xffffffffffffffff) ioctl$NBD_CLEAR_QUE(r0, 0xab05) 22:54:39 executing program 4: r0 = openat$snapshot(0xffffffffffffff9c, &(0x7f0000000040)='/dev/snapshot\x00', 0x1c9581, 0x0) r1 = openat$dlm_control(0xffffffffffffff9c, &(0x7f0000000000)='/dev/dlm-control\x00', 0x0, 0x0) ioctl$SNDRV_PCM_IOCTL_XRUN(r1, 0x4148, 0x0) ioctl$SNAPSHOT_GET_IMAGE_SIZE(r1, 0x8008330e, &(0x7f0000000000)) ioctl$SNAPSHOT_S2RAM(r0, 0x330b) [ 2056.914206] block nbd0: shutting down sockets [ 2056.919591] block nbd2: shutting down sockets [ 2056.934885] block nbd0: shutting down sockets [ 2056.966027] block nbd2: shutting down sockets 22:54:39 executing program 3: r0 = openat$cuse(0xffffffffffffff9c, &(0x7f0000000240)='/dev/cuse\x00', 0x2, 0x0) write$FUSE_NOTIFY_RETRIEVE(r0, &(0x7f0000000280)={0x30, 0x5, 0x0, {0x0, 0x2, 0x5, 0x5}}, 0x30) ioctl$SNDCTL_SEQ_PANIC(0xffffffffffffffff, 0x5111) ioctl$SNDCTL_SYNTH_INFO(0xffffffffffffffff, 0xc08c5102, &(0x7f0000000180)={"a5c564c7c0c3c31f402261d40a3f276947855c9fefe3207a0f0c9a87b8d1", 0xffffffe7, 0x1, 0x401, 0x6, 0x9, 0xff, 0x5, 0x0, [0x3, 0x8, 0x3, 0x60000, 0x200, 0xa597, 0x1, 0x5, 0x0, 0x81, 0xffffffff, 0x4, 0x1, 0x5, 0xfffffffd, 0x95, 0xfffffbff, 0x0, 0x7fff]}) openat$snapshot(0xffffffffffffff9c, &(0x7f0000000080)='/dev/snapshot\x00', 0x440, 0x0) ioctl$SNDCTL_TMR_METRONOME(0xffffffffffffffff, 0x40045407) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)) r1 = openat$sequencer(0xffffffffffffff9c, &(0x7f0000000140)='/dev/sequencer\x00', 0x2, 0x0) ioctl$SNDCTL_SEQ_PANIC(r1, 0x5111) ioctl$SNDCTL_FM_4OP_ENABLE(r1, 0x4004510f, &(0x7f0000000000)) ioctl$SNAPSHOT_AVAIL_SWAP_SIZE(r1, 0x80083313, &(0x7f00000002c0)) ioctl$SNDCTL_SEQ_RESET(r1, 0x5100) openat$rdma_cm(0xffffffffffffff9c, &(0x7f0000000300)='/dev/infiniband/rdma_cm\x00', 0x2, 0x0) r2 = openat$dlm_control(0xffffffffffffff9c, &(0x7f00000000c0)='/dev/dlm-control\x00', 0x4000, 0x0) ioctl$SNDCTL_TMR_SELECT(r2, 0x40045408) r3 = openat$sequencer(0xffffffffffffff9c, &(0x7f0000000140)='/dev/sequencer\x00', 0x2, 0x0) socket$inet_sctp(0x2, 0x5, 0x84) ioctl$SNDCTL_SEQ_PANIC(r3, 0x5111) write$sequencer(r3, &(0x7f0000000100)=[@e={0xff, 0x1, 0x3, 0x6, @SEQ_CONTROLLER=0xff, 0x0, 0x4, 0x80}, @x={0x94, 0x5, "f5085003758b"}], 0x10) [ 2056.992943] block nbd5: shutting down sockets 22:54:40 executing program 2: r0 = getpid() getpid() r1 = openat$dlm_control(0xffffffffffffff9c, &(0x7f0000000000)='/dev/dlm-control\x00', 0x0, 0x0) ioctl$SNDRV_PCM_IOCTL_XRUN(r1, 0x4148, 0x0) ioctl$NBD_SET_FLAGS(r1, 0xab0a, 0x7) wait4(r0, &(0x7f0000000080), 0x4000000d, &(0x7f0000000180)) r2 = syz_open_dev$ndb(&(0x7f0000000000)='/dev/nbd#\x00', 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff, 0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r2, 0xab00, r3) ioctl$NBD_SET_FLAGS(r2, 0xab0a, 0x13e) r5 = syz_open_dev$ndb(&(0x7f0000000140)='/dev/nbd#\x00', 0x0, 0x0) ioctl$NBD_CLEAR_SOCK(r5, 0xab04) ioctl$BTRFS_IOC_RESIZE(r4, 0x50009403, &(0x7f00000000c0)={{r4}, {@void, @actul_num={@val, 0x7, 0x47}}}) ioctl$NBD_SET_SOCK(r2, 0xab03, 0xffffffffffffffff) 22:54:40 executing program 0: r0 = syz_open_dev$ndb(&(0x7f0000000000)='/dev/nbd#\x00', 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x13e) ioctl$NBD_SET_SOCK(r0, 0xc020660b, 0xffffffffffffffff) 22:54:40 executing program 5: r0 = syz_open_dev$ndb(&(0x7f0000000000)='/dev/nbd#\x00', 0x0, 0x0) r1 = openat$dlm_control(0xffffffffffffff9c, &(0x7f0000000000)='/dev/dlm-control\x00', 0x0, 0x0) ioctl$SNDRV_PCM_IOCTL_XRUN(r1, 0x4148, 0x0) openat$dlm_control(0xffffffffffffff9c, &(0x7f00000000c0)='/dev/dlm-control\x00', 0x8a000, 0x0) r2 = openat$dlm_control(0xffffffffffffff9c, &(0x7f0000000000)='/dev/dlm-control\x00', 0x0, 0x0) ioctl$SNDRV_PCM_IOCTL_XRUN(r2, 0x4148, 0x0) syz_open_dev$ndb(&(0x7f0000000100)='/dev/nbd#\x00', 0x0, 0xc0) openat$dlm_control(0xffffffffffffff9c, &(0x7f0000000180)='/dev/dlm-control\x00', 0x0, 0x0) ioctl$NBD_SET_SIZE(r1, 0xab02, 0x200000000003) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r0, 0xab00, r4) ioctl$NBD_SET_SOCK(r0, 0xab00, r3) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x13e) r5 = syz_open_dev$ndb(&(0x7f0000000140)='/dev/nbd#\x00', 0x0, 0x0) ioctl$NBD_CLEAR_SOCK(r5, 0xab04) ioctl$NBD_SET_SOCK(r0, 0xab03, 0xffffffffffffffff) ioctl$NBD_CLEAR_QUE(r0, 0xab05) 22:54:40 executing program 4: openat$snapshot(0xffffffffffffff9c, &(0x7f0000000040)='/dev/snapshot\x00', 0x40181, 0x0) r0 = socket$inet_sctp(0x2, 0x5, 0x84) ioctl$BTRFS_IOC_SCRUB(r0, 0xc400941b, &(0x7f0000000080)={0x0, 0x101, 0x0, 0x1}) 22:54:40 executing program 3: openat$snapshot(0xffffffffffffff9c, &(0x7f0000000000)='/dev/snapshot\x00', 0x0, 0x0) ioctl$SNDCTL_TMR_METRONOME(0xffffffffffffffff, 0x40045407) ioctl$NBD_SET_SIZE(0xffffffffffffffff, 0xab02, 0xff) bpf$BPF_BTF_LOAD(0x12, &(0x7f0000000140)={&(0x7f0000000000)={{0xeb9f, 0x1, 0x0, 0x18, 0x0, 0xc, 0xc, 0x2, [@func_proto]}}, &(0x7f0000000080)=""/174, 0x26, 0xae, 0x1}, 0x20) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) r1 = openat$sequencer(0xffffffffffffff9c, &(0x7f0000000140)='/dev/sequencer\x00', 0x2, 0x0) ioctl$SNDCTL_SEQ_PANIC(r1, 0x5111) ioctl$SNDCTL_SEQ_RESET(r1, 0x5100) r2 = openat$sequencer(0xffffffffffffff9c, &(0x7f0000000140)='/dev/sequencer\x00', 0x2, 0x0) ioctl$SNDCTL_SEQ_PANIC(r2, 0x5111) ioctl$SNDCTL_TMR_SOURCE(r2, 0xc0045406) r3 = openat$sequencer(0xffffffffffffff9c, &(0x7f0000000140)='/dev/sequencer\x00', 0x2, 0x0) r4 = openat$dlm_control(0xffffffffffffff9c, &(0x7f0000000180)='/dev/dlm-control\x00', 0x200000, 0x0) ioctl$DRM_IOCTL_MODE_GETPROPBLOB(r4, 0xc01064ac, &(0x7f0000000280)={0x1, 0x9a, &(0x7f00000001c0)=""/154}) ioctl$SNDCTL_SEQ_PANIC(r3, 0x5111) ioctl$SOUND_MIXER_WRITE_VOLUME(0xffffffffffffffff, 0xc0044d0d, &(0x7f0000000100)=0x40) ioctl$SOUND_MIXER_READ_VOLUME(r0, 0x80044d08, &(0x7f00000000c0)) ioctl$SNDCTL_SEQ_NRSYNTHS(r3, 0x8004510a, &(0x7f0000000080)) [ 2057.592220] block nbd1: Receive control failed (result -32) [ 2057.593134] block nbd1: Device being setup by another task [ 2057.608025] block nbd1: shutting down sockets 22:54:40 executing program 1: r0 = openat$fb0(0xffffffffffffff9c, &(0x7f0000000380)='/dev/fb0\x00', 0x0, 0x0) ioctl$BTRFS_IOC_RESIZE(r0, 0x50009403, 0x0) r1 = openat$fb0(0xffffffffffffff9c, &(0x7f0000000380)='/dev/fb0\x00', 0x0, 0x0) ioctl$BTRFS_IOC_RESIZE(r1, 0x50009403, 0x0) ioctl$BTRFS_IOC_SCRUB(0xffffffffffffffff, 0xc400941b, &(0x7f0000000100)={0x0, 0xa04f, 0x10001, 0x1}) r3 = accept$nfc_llcp(0xffffffffffffffff, 0x0, &(0x7f0000000540)) ioctl$BTRFS_IOC_RESIZE(r0, 0x50009403, &(0x7f0000000580)=ANY=[@ANYRES32=r1, @ANYBLOB="00000000d5b00fa883e1d6fa94154ac08f9c67d3c41c25b8b3aeb3341241caf2d3deb0d0220692", @ANYRESDEC=r2, @ANYBLOB=':00000000000000001025P']) syz_open_dev$sndpcmp(&(0x7f0000000ac0)='/dev/snd/pcmC#D#p\x00', 0x3f, 0x191400) r4 = syz_open_dev$ndb(&(0x7f0000000000)='/dev/nbd#\x00', 0x0, 0x100000) ioctl$KVM_SET_DEVICE_ATTR(0xffffffffffffffff, 0x4018aee1, &(0x7f00000000c0)={0x0, 0x4, 0x1, &(0x7f0000000080)=0x40}) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) r6 = socket$nl_generic(0x10, 0x3, 0x10) ioctl$BTRFS_IOC_BALANCE_V2(0xffffffffffffffff, 0xc4009420, &(0x7f0000001300)={0xa, 0x6, {0x7, @usage=0xc4f, r2, 0x3, 0x3, 0x7fff, 0x9, 0x1, 0x5, @usage=0x9, 0x3, 0x9, [0x400, 0x4019, 0x5, 0x87e8, 0x7, 0x7]}, {0x2, @struct={0x7, 0xffff0000}, r2, 0x100000000, 0xfffffffffffffffd, 0x7, 0xf0a, 0x4, 0x1, @usage=0x2, 0x20, 0x80000000, [0x91, 0xf3b, 0x2, 0x6, 0x4, 0x7]}, {0x801d, @usage, 0x0, 0x8, 0x8, 0x80000000, 0x9, 0x6, 0x4, @struct={0x1000, 0x3}, 0x7, 0x6, [0x6, 0x7f, 0x21, 0x3, 0x2, 0x4]}, {0xb4e, 0xfffffffffffffff7, 0x9}}) sendmsg$MPTCP_PM_CMD_SET_LIMITS(r6, &(0x7f0000000c80)={&(0x7f0000000bc0)={0x10, 0x0, 0x0, 0x20400000}, 0xc, &(0x7f0000000c40)={&(0x7f0000000d80)=ANY=[@ANYBLOB="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", @ANYRES16=0x0, @ANYBLOB="0000000000000000000005000000"], 0x14}}, 0x0) sendmsg$NLBL_MGMT_C_ADDDEF(r6, &(0x7f0000000a80)={&(0x7f0000000500)={0x10, 0x0, 0x0, 0x80000000}, 0xc, &(0x7f0000000a40)={&(0x7f0000000a00)={0x3c, 0x0, 0x100, 0x70bd2b, 0x25dfdbfb, {}, [@NLBL_MGMT_A_PROTOCOL={0x8, 0x2, 0x7}, @NLBL_MGMT_A_FAMILY={0x6, 0xb, 0x2a}, @NLBL_MGMT_A_CLPDOI={0x8, 0xc, 0x3}, @NLBL_MGMT_A_CV4DOI={0x8, 0x4, 0x3}, @NLBL_MGMT_A_IPV4ADDR={0x8, 0x7, @private=0xa010102}]}, 0x3c}, 0x1, 0x0, 0x0, 0x51}, 0x4000) ioctl$NBD_SET_SOCK(r4, 0xab00, r5) ioctl$NBD_SET_FLAGS(r4, 0xab0a, 0x13e) ioctl$NBD_SET_SIZE_BLOCKS(r4, 0xab07, 0x0) ioctl$NBD_SET_SOCK(r4, 0xab03, 0xffffffffffffffff) ioctl$BTRFS_IOC_BALANCE_PROGRESS(r3, 0x84009422, &(0x7f0000000f00)={0x0, 0x0, {0x0, @usage, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @struct}, {0x0, @struct, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @struct}}) [ 2057.685551] block nbd0: shutting down sockets [ 2057.697025] block nbd0: shutting down sockets 22:54:40 executing program 0: r0 = syz_open_dev$ndb(&(0x7f0000000000)='/dev/nbd#\x00', 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x13e) ioctl$NBD_SET_SOCK(r0, 0xc0481273, 0xffffffffffffffff) [ 2057.730546] block nbd2: shutting down sockets [ 2057.741321] block nbd5: shutting down sockets 22:54:40 executing program 5: r0 = syz_open_dev$ndb(&(0x7f0000000000)='/dev/nbd#\x00', 0x0, 0x0) r1 = openat$dlm_control(0xffffffffffffff9c, &(0x7f0000000000)='/dev/dlm-control\x00', 0x0, 0x0) ioctl$SNDRV_PCM_IOCTL_XRUN(r1, 0x4148, 0x0) openat$dlm_control(0xffffffffffffff9c, &(0x7f00000000c0)='/dev/dlm-control\x00', 0x8a000, 0x0) r2 = openat$dlm_control(0xffffffffffffff9c, &(0x7f0000000000)='/dev/dlm-control\x00', 0x0, 0x0) ioctl$SNDRV_PCM_IOCTL_XRUN(r2, 0x4148, 0x0) syz_open_dev$ndb(&(0x7f0000000100)='/dev/nbd#\x00', 0x0, 0xc0) openat$dlm_control(0xffffffffffffff9c, &(0x7f0000000180)='/dev/dlm-control\x00', 0x0, 0x0) ioctl$NBD_SET_SIZE(r1, 0xab02, 0x200000000003) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r0, 0xab00, r4) ioctl$NBD_SET_SOCK(r0, 0xab00, r3) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x13e) r5 = syz_open_dev$ndb(&(0x7f0000000140)='/dev/nbd#\x00', 0x0, 0x0) ioctl$NBD_CLEAR_SOCK(r5, 0xab04) ioctl$NBD_SET_SOCK(r0, 0xab03, 0xffffffffffffffff) 22:54:40 executing program 4: ioctl$SNDRV_PCM_IOCTL_LINK(0xffffffffffffffff, 0x40044160, &(0x7f00000000c0)=0x400) clock_settime(0x3, &(0x7f0000000000)={0x77359400}) openat$snapshot(0xffffffffffffff9c, &(0x7f0000000040)='/dev/snapshot\x00', 0x40181, 0x0) ioctl$SOUND_MIXER_READ_STEREODEVS(0xffffffffffffffff, 0x80044dfb, &(0x7f0000000080)) 22:54:40 executing program 3: r0 = openat$sequencer2(0xffffffffffffff9c, &(0x7f0000000080)='/dev/sequencer2\x00', 0x10000, 0x0) ioctl$BTRFS_IOC_BALANCE_PROGRESS(r0, 0x84009422, &(0x7f0000000180)={0x0, 0x0, {0x0, @struct, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @struct}, {}, {0x0, @struct, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @struct}}) openat$snapshot(0xffffffffffffff9c, &(0x7f0000000000)='/dev/snapshot\x00', 0x0, 0x0) ioctl$SNDCTL_TMR_METRONOME(0xffffffffffffffff, 0x40045407) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)) r1 = openat$sequencer(0xffffffffffffff9c, &(0x7f0000000140)='/dev/sequencer\x00', 0x8002, 0x0) ioctl$SNDCTL_SEQ_PANIC(r1, 0x5111) ioctl$SNDCTL_SEQ_RESET(r1, 0x5100) [ 2057.833784] block nbd0: shutting down sockets [ 2057.856523] block nbd0: shutting down sockets 22:54:40 executing program 0: r0 = syz_open_dev$ndb(&(0x7f0000000000)='/dev/nbd#\x00', 0x0, 0x0) r1 = openat$dlm_control(0xffffffffffffff9c, &(0x7f0000000280)='/dev/dlm-control\x00', 0x183080, 0x0) sendmsg$ETHTOOL_MSG_EEE_SET(r1, &(0x7f0000000400)={&(0x7f00000002c0)={0x10, 0x0, 0x0, 0x8}, 0xc, &(0x7f00000003c0)={&(0x7f0000000300)={0x88, 0x0, 0x400, 0x70bd28, 0x25dfdbfc, {}, [@ETHTOOL_A_EEE_HEADER={0x5c, 0x1, 0x0, 0x1, [@ETHTOOL_A_HEADER_DEV_NAME={0x14, 0x2, 'veth1_to_hsr\x00'}, @ETHTOOL_A_HEADER_DEV_NAME={0x14, 0x2, 'bond0\x00'}, @ETHTOOL_A_HEADER_FLAGS={0x8, 0x3, 0x3}, @ETHTOOL_A_HEADER_DEV_NAME={0x14, 0x2, 'gre0\x00'}, @ETHTOOL_A_HEADER_DEV_NAME={0x14, 0x2, 'netpci0\x00'}]}, @ETHTOOL_A_EEE_TX_LPI_ENABLED={0x5}, @ETHTOOL_A_EEE_TX_LPI_ENABLED={0x5, 0x6, 0x1}, @ETHTOOL_A_EEE_ENABLED={0x5, 0x5, 0xfd}]}, 0x88}, 0x1, 0x0, 0x0, 0x4000000}, 0x8810) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r0, 0xab00, r2) sendmsg$NBD_CMD_STATUS(0xffffffffffffffff, &(0x7f0000000240)={&(0x7f0000000180)={0x10, 0x0, 0x0, 0x1000000}, 0xc, &(0x7f0000000200)={&(0x7f00000001c0)={0x2c, 0x0, 0x2, 0x70bd26, 0x25dfdbff, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x3}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x3}]}, 0x2c}, 0x1, 0x0, 0x0, 0x4000000}, 0x9bae147daedbe783) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x13e) ioctl$NBD_SET_SOCK(r0, 0xab03, 0xffffffffffffffff) r3 = openat$dlm_control(0xffffffffffffff9c, &(0x7f0000000000)='/dev/dlm-control\x00', 0x0, 0x0) ioctl$SNDRV_PCM_IOCTL_XRUN(r3, 0x4148, 0x0) r4 = syz_open_dev$sndpcmp(&(0x7f0000000480)='/dev/snd/pcmC#D#p\x00', 0xffffffff, 0x48000) ioctl$SNDRV_PCM_IOCTL_READI_FRAMES(r4, 0x80184151, &(0x7f0000000500)={0x0, &(0x7f00000004c0)="d952508c418dcbb45c5d34d489e51c44762005fd8dc78bc10297110e3445f7f1a01b8206e59cf57a5adea4", 0x2b}) ioctl$NBD_SET_SIZE_BLOCKS(r3, 0xab07, 0xfec) r5 = openat$dlm_control(0xffffffffffffff9c, &(0x7f0000000000)='/dev/dlm-control\x00', 0x0, 0x0) ioctl$SNDRV_PCM_IOCTL_XRUN(r5, 0x4148, 0x0) fanotify_mark(r5, 0xa8, 0x8000011, 0xffffffffffffffff, &(0x7f0000000440)='./file0\x00') r6 = openat$dlm_control(0xffffffffffffff9c, &(0x7f0000000080)='/dev/dlm-control\x00', 0x48001, 0x0) ioctl$NBD_CLEAR_SOCK(r6, 0xab04) ioctl$SNDRV_PCM_IOCTL_SYNC_PTR(r6, 0xc0884123, &(0x7f00000000c0)={0x1, "af0882946406ed271fd68982d733dd05fe8da5a87ec8c9115e653637d3919a4b124f53d5fd362198ecccad498fb208b6814654d7731a40287ee2c48ea375bef4", {0x400, 0xb89b}}) [ 2057.965553] block nbd5: shutting down sockets 22:54:40 executing program 3: openat$snapshot(0xffffffffffffff9c, &(0x7f0000000000)='/dev/snapshot\x00', 0x0, 0x0) ioctl$SNDCTL_TMR_METRONOME(0xffffffffffffffff, 0x40045407) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)) r0 = openat$sequencer(0xffffffffffffff9c, &(0x7f0000000140)='/dev/sequencer\x00', 0x2, 0x0) ioctl$SNDCTL_SEQ_PANIC(r0, 0x5111) ioctl$SNDCTL_SEQ_RESET(r0, 0x5100) 22:54:40 executing program 5: r0 = syz_open_dev$ndb(&(0x7f0000000000)='/dev/nbd#\x00', 0x0, 0x0) r1 = openat$dlm_control(0xffffffffffffff9c, &(0x7f0000000000)='/dev/dlm-control\x00', 0x0, 0x0) ioctl$SNDRV_PCM_IOCTL_XRUN(r1, 0x4148, 0x0) openat$dlm_control(0xffffffffffffff9c, &(0x7f00000000c0)='/dev/dlm-control\x00', 0x8a000, 0x0) r2 = openat$dlm_control(0xffffffffffffff9c, &(0x7f0000000000)='/dev/dlm-control\x00', 0x0, 0x0) ioctl$SNDRV_PCM_IOCTL_XRUN(r2, 0x4148, 0x0) syz_open_dev$ndb(&(0x7f0000000100)='/dev/nbd#\x00', 0x0, 0xc0) openat$dlm_control(0xffffffffffffff9c, &(0x7f0000000180)='/dev/dlm-control\x00', 0x0, 0x0) ioctl$NBD_SET_SIZE(r1, 0xab02, 0x200000000003) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r0, 0xab00, r4) ioctl$NBD_SET_SOCK(r0, 0xab00, r3) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x13e) syz_open_dev$ndb(&(0x7f0000000140)='/dev/nbd#\x00', 0x0, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab03, 0xffffffffffffffff) 22:54:40 executing program 2: r0 = syz_open_dev$ndb(&(0x7f0000000000)='/dev/nbd#\x00', 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x13e) r2 = syz_open_dev$ndb(&(0x7f0000000140)='/dev/nbd#\x00', 0x0, 0x0) ioctl$NBD_CLEAR_SOCK(r2, 0xab04) ioctl$NBD_SET_SOCK(r0, 0xab03, 0xffffffffffffffff) r3 = socket$nl_generic(0x10, 0x3, 0x10) sendmsg$MPTCP_PM_CMD_SET_LIMITS(r3, &(0x7f0000000c80)={&(0x7f0000000bc0)={0x10, 0x0, 0x0, 0x20400000}, 0xc, &(0x7f0000000c40)={&(0x7f0000000c00)={0x14}, 0x14}}, 0x0) r4 = syz_genetlink_get_family_id$ethtool(&(0x7f00000000c0)='ethtool\x00') getsockname$packet(0xffffffffffffffff, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000180)=0x14) sendmsg$ETHTOOL_MSG_PRIVFLAGS_GET(r3, &(0x7f0000000400)={&(0x7f0000000080)={0x10, 0x0, 0x0, 0x10000}, 0xc, &(0x7f00000003c0)={&(0x7f00000001c0)={0x1e8, r4, 0x8, 0x70bd29, 0x25dfdbfe, {}, [@HEADER={0x20, 0x1, 0x0, 0x1, [@ETHTOOL_A_HEADER_DEV_INDEX={0x8}, @ETHTOOL_A_HEADER_DEV_NAME={0x14, 0x2, 'syzkaller1\x00'}]}, @HEADER={0x18, 0x1, 0x0, 0x1, [@ETHTOOL_A_HEADER_DEV_NAME={0x14, 0x2, 'syzkaller0\x00'}]}, @HEADER={0x70, 0x1, 0x0, 0x1, [@ETHTOOL_A_HEADER_DEV_NAME={0x14, 0x2, 'xfrm0\x00'}, @ETHTOOL_A_HEADER_DEV_INDEX={0x8}, @ETHTOOL_A_HEADER_FLAGS={0x8}, @ETHTOOL_A_HEADER_FLAGS={0x8, 0x3, 0x2}, @ETHTOOL_A_HEADER_DEV_INDEX={0x8}, @ETHTOOL_A_HEADER_DEV_INDEX={0x8}, @ETHTOOL_A_HEADER_DEV_NAME={0x14, 0x2, 'veth1_to_hsr\x00'}, @ETHTOOL_A_HEADER_DEV_NAME={0x14, 0x2, 'vlan0\x00'}, @ETHTOOL_A_HEADER_FLAGS={0x8, 0x3, 0x1}]}, @HEADER={0x44, 0x1, 0x0, 0x1, [@ETHTOOL_A_HEADER_DEV_INDEX={0x8}, @ETHTOOL_A_HEADER_DEV_NAME={0x14, 0x2, 'vlan0\x00'}, @ETHTOOL_A_HEADER_DEV_NAME={0x14, 0x2, 'ip6erspan0\x00'}, @ETHTOOL_A_HEADER_FLAGS={0x8, 0x3, 0x1}, @ETHTOOL_A_HEADER_DEV_INDEX={0x8}]}, @HEADER={0x7c, 0x1, 0x0, 0x1, [@ETHTOOL_A_HEADER_DEV_INDEX={0x8}, @ETHTOOL_A_HEADER_FLAGS={0x8, 0x3, 0x2}, @ETHTOOL_A_HEADER_FLAGS={0x8, 0x3, 0x2}, @ETHTOOL_A_HEADER_FLAGS={0x8, 0x3, 0x3}, @ETHTOOL_A_HEADER_DEV_NAME={0x14, 0x2, 'nr0\x00'}, @ETHTOOL_A_HEADER_DEV_NAME={0x14, 0x2, 'vcan0\x00'}, @ETHTOOL_A_HEADER_DEV_NAME={0x14, 0x2, 'wg2\x00'}, @ETHTOOL_A_HEADER_DEV_NAME={0x14, 0x2, 'ip6tnl0\x00'}, @ETHTOOL_A_HEADER_FLAGS={0x8}]}, @HEADER={0x24, 0x1, 0x0, 0x1, [@ETHTOOL_A_HEADER_FLAGS={0x8, 0x3, 0x3}, @ETHTOOL_A_HEADER_FLAGS={0x8, 0x3, 0x2}, @ETHTOOL_A_HEADER_DEV_INDEX={0x8, 0x1, r5}, @ETHTOOL_A_HEADER_FLAGS={0x8, 0x3, 0x1}]}, @HEADER={0x34, 0x1, 0x0, 0x1, [@ETHTOOL_A_HEADER_FLAGS={0x8}, @ETHTOOL_A_HEADER_DEV_NAME={0x14, 0x2, 'ip6tnl0\x00'}, @ETHTOOL_A_HEADER_DEV_NAME={0x14, 0x2, 'team_slave_1\x00'}]}, @HEADER={0x14, 0x1, 0x0, 0x1, [@ETHTOOL_A_HEADER_DEV_INDEX={0x8}, @ETHTOOL_A_HEADER_DEV_INDEX={0x8}]}]}, 0x1e8}}, 0x10) 22:54:40 executing program 4: openat$snapshot(0xffffffffffffff9c, &(0x7f0000000000)='/dev/snapshot\x00', 0x40181, 0x0) [ 2058.144552] block nbd2: shutting down sockets 22:54:40 executing program 3: openat$snapshot(0xffffffffffffff9c, &(0x7f0000000000)='/dev/snapshot\x00', 0x0, 0x0) ioctl$SNDCTL_TMR_METRONOME(0xffffffffffffffff, 0x40045407) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)) ioctl$SNDCTL_SEQ_PANIC(0xffffffffffffffff, 0x5111) ioctl$SNDCTL_SEQ_RESET(0xffffffffffffffff, 0x5100) [ 2058.237298] block nbd2: shutting down sockets 22:54:40 executing program 2: r0 = syz_open_dev$ndb(&(0x7f0000000000)='/dev/nbd#\x00', 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff, 0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x13e) r3 = syz_genetlink_get_family_id$nbd(&(0x7f00000000c0)='nbd\x00') r4 = openat$dlm_control(0xffffffffffffff9c, &(0x7f0000000000)='/dev/dlm-control\x00', 0x0, 0x0) ioctl$SNDRV_PCM_IOCTL_XRUN(r4, 0x4148, 0x0) sendmsg$NBD_CMD_DISCONNECT(0xffffffffffffffff, &(0x7f0000000240)={&(0x7f0000000080), 0xc, &(0x7f0000000100)={&(0x7f0000000180)={0x98, r3, 0x1, 0x70bd2d, 0x25dfdbfe, {}, [@NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8, 0x1, r1}, {0x8, 0x1, r1}]}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8, 0x1, r1}, {0x8, 0x1, r1}]}, @NBD_ATTR_SOCKETS={0x1c, 0x7, 0x0, 0x1, [{0x8, 0x1, r1}, {0x8, 0x1, r2}, {0x8, 0x1, r4}]}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x83c575678795966b}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x3}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x100}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}]}, 0x98}, 0x1, 0x0, 0x0, 0x20048891}, 0x4040010) r5 = syz_open_dev$ndb(&(0x7f0000000140)='/dev/nbd#\x00', 0x0, 0x0) ioctl$NBD_CLEAR_SOCK(r5, 0xab04) ioctl$NBD_SET_SOCK(r0, 0xab03, 0xffffffffffffffff) [ 2058.356212] block nbd2: shutting down sockets [ 2058.375586] block nbd2: shutting down sockets [ 2058.561291] block nbd1: Receive control failed (result -32) [ 2058.567562] block nbd1: shutting down sockets 22:54:41 executing program 1: r0 = syz_open_dev$ndb(&(0x7f0000000000)='/dev/nbd#\x00', 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x13e) ioctl$NBD_SET_SOCK(r0, 0xab03, 0xffffffffffffffff) ioctl$NBD_CLEAR_SOCK(r0, 0xab04) 22:54:41 executing program 4: openat$snapshot(0xffffffffffffff9c, &(0x7f0000000040)='/dev/snapshot\x00', 0x40181, 0x0) r0 = openat$dlm_control(0xffffffffffffff9c, &(0x7f0000000000)='/dev/dlm-control\x00', 0x0, 0x0) ioctl$SNDRV_PCM_IOCTL_XRUN(r0, 0x4148, 0x0) ioctl$KVM_GET_DEVICE_ATTR(r0, 0x4018aee2, &(0x7f0000000080)={0x0, 0xce, 0x8, &(0x7f0000000000)=0x78}) 22:54:41 executing program 3: r0 = openat$snapshot(0xffffffffffffff9c, &(0x7f0000000000)='/dev/snapshot\x00', 0x0, 0x0) ioctl$SNDCTL_TMR_METRONOME(0xffffffffffffffff, 0x40045407) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)) ioctl$BTRFS_IOC_BALANCE_PROGRESS(r0, 0x84009422, &(0x7f0000000180)={0x0, 0x0, {0x0, @struct}, {0x0, @struct, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @struct}}) r1 = openat$sequencer(0xffffffffffffff9c, &(0x7f0000000140)='/dev/sequencer\x00', 0x2, 0x0) ioctl$SNDCTL_SEQ_PANIC(r1, 0x5111) ioctl$SNDCTL_SEQ_RESET(r1, 0x5100) 22:54:41 executing program 2: r0 = syz_open_dev$ndb(&(0x7f0000000000)='/dev/nbd#\x00', 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x81) r2 = syz_open_dev$ndb(&(0x7f0000000140)='/dev/nbd#\x00', 0x0, 0x0) ioctl$NBD_CLEAR_SOCK(r2, 0xab04) ioctl$NBD_SET_SOCK(r0, 0xab03, 0xffffffffffffffff) [ 2058.627239] block nbd1: Receive control failed (result -32) [ 2058.628020] block nbd1: shutting down sockets 22:54:41 executing program 4: futex(&(0x7f0000000040), 0x0, 0x2, 0x0, 0x0, 0x0) openat$snapshot(0xffffffffffffff9c, &(0x7f0000000040)='/dev/snapshot\x00', 0x40181, 0x0) [ 2058.693186] block nbd2: shutting down sockets [ 2058.739415] block nbd2: shutting down sockets [ 2058.790499] block nbd1: shutting down sockets [ 2058.797338] block nbd1: Device being setup by another task [ 2058.876170] block nbd0: Receive control failed (result -32) [ 2058.886358] block nbd0: Device being setup by another task [ 2058.894446] block nbd0: shutting down sockets [ 2058.911948] block nbd5: Receive control failed (result -32) [ 2058.917969] block nbd5: Receive control failed (result -32) 22:54:41 executing program 0: r0 = syz_open_dev$ndb(&(0x7f0000000000)='/dev/nbd#\x00', 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x13e) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000100)='nbd\x00') sendmsg$NBD_CMD_RECONFIGURE(0xffffffffffffffff, &(0x7f00000001c0)={&(0x7f00000000c0)={0x10, 0x0, 0x0, 0x40000}, 0xc, &(0x7f0000000180)={&(0x7f0000000140)={0x28, r2, 0x200, 0x70bd2c, 0x25dfdbff, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_CLIENT_FLAGS={0xc}]}, 0x28}, 0x1, 0x0, 0x0, 0x801}, 0x0) ioctl$SNDCTL_TMR_TIMEBASE(0xffffffffffffffff, 0xc0045401, &(0x7f0000000080)=0xd2) ioctl$NBD_SET_SOCK(r0, 0xab03, 0xffffffffffffffff) 22:54:41 executing program 3: ioctl$SNDCTL_TMR_METRONOME(0xffffffffffffffff, 0x40045407) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)) r0 = openat$sequencer(0xffffffffffffff9c, &(0x7f0000000140)='/dev/sequencer\x00', 0x2, 0x0) ioctl$SNAPSHOT_AVAIL_SWAP_SIZE(0xffffffffffffffff, 0x80083313, &(0x7f0000000080)) ioctl$SNDCTL_SEQ_PANIC(r0, 0x5111) ioctl$SNDCTL_SEQ_RESET(r0, 0x5100) r1 = openat$sequencer(0xffffffffffffff9c, &(0x7f0000000100)='/dev/sequencer\x00', 0x1c001, 0x0) ioctl$SNDCTL_TMR_SOURCE(r1, 0xc0045406) r2 = openat$dlm_control(0xffffffffffffff9c, &(0x7f0000000000)='/dev/dlm-control\x00', 0x0, 0x0) ioctl$SNDRV_PCM_IOCTL_XRUN(r2, 0x4148, 0x0) write$tcp_congestion(r2, &(0x7f00000000c0)='reno\x00', 0x5) [ 2058.924310] block nbd5: shutting down sockets 22:54:41 executing program 5: r0 = syz_open_dev$ndb(&(0x7f0000000000)='/dev/nbd#\x00', 0x0, 0x0) r1 = openat$dlm_control(0xffffffffffffff9c, &(0x7f0000000000)='/dev/dlm-control\x00', 0x0, 0x0) ioctl$SNDRV_PCM_IOCTL_XRUN(r1, 0x4148, 0x0) openat$dlm_control(0xffffffffffffff9c, &(0x7f00000000c0)='/dev/dlm-control\x00', 0x8a000, 0x0) r2 = openat$dlm_control(0xffffffffffffff9c, &(0x7f0000000000)='/dev/dlm-control\x00', 0x0, 0x0) ioctl$SNDRV_PCM_IOCTL_XRUN(r2, 0x4148, 0x0) syz_open_dev$ndb(&(0x7f0000000100)='/dev/nbd#\x00', 0x0, 0xc0) openat$dlm_control(0xffffffffffffff9c, &(0x7f0000000180)='/dev/dlm-control\x00', 0x0, 0x0) ioctl$NBD_SET_SIZE(r1, 0xab02, 0x200000000003) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r0, 0xab00, r4) ioctl$NBD_SET_SOCK(r0, 0xab00, r3) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x13e) syz_open_dev$ndb(&(0x7f0000000140)='/dev/nbd#\x00', 0x0, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab03, 0xffffffffffffffff) 22:54:41 executing program 2: r0 = syz_open_dev$ndb(&(0x7f0000000000)='/dev/nbd#\x00', 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x13e) syz_open_dev$ndb(&(0x7f0000000140)='/dev/nbd#\x00', 0x0, 0x0) syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x800) r2 = openat$dlm_control(0xffffffffffffff9c, &(0x7f0000000000)='/dev/dlm-control\x00', 0x0, 0x0) ioctl$SNDRV_PCM_IOCTL_XRUN(r2, 0x4148, 0x0) ioctl$NBD_CLEAR_SOCK(0xffffffffffffffff, 0xab04) ioctl$NBD_SET_SOCK(r0, 0xab03, 0xffffffffffffffff) 22:54:41 executing program 1: r0 = syz_open_dev$ndb(&(0x7f0000000000)='/dev/nbd#\x00', 0x0, 0x0) ioctl$BTRFS_IOC_BALANCE_V2(r0, 0xc4009420, &(0x7f0000000080)={0x0, 0x7, {0x5, @usage=0x5ed, 0x0, 0x1, 0xffff, 0x6, 0x200, 0x3f, 0x406, @struct={0x51bb28cc}, 0x0, 0x2, [0x3ff, 0x800, 0x7186, 0x9, 0x20, 0x5]}, {0x5, @struct={0x101, 0x1}, 0x0, 0x3, 0x6, 0x10001, 0x80000000, 0x40, 0xbb, @usage=0x8, 0x8, 0x1, [0x1, 0x4, 0x0, 0x1, 0x80000000, 0x8]}, {0xa7d4, @struct={0x800, 0x3b5a}, 0x0, 0x3, 0x6, 0x80, 0x40, 0x80000000, 0x9, @struct={0x0, 0x7}, 0x9, 0x0, [0x1, 0x8, 0x0, 0x0, 0x5, 0xa28]}, {0x5, 0x10001, 0x4}}) ioctl$BTRFS_IOC_BALANCE_V2(0xffffffffffffffff, 0xc4009420, &(0x7f0000000480)={0x10, 0x0, {0x6, @struct={0x1f, 0x3}, 0x0, 0xffffffff, 0x5e06, 0x6, 0x9, 0x6, 0x90, @struct={0x200, 0xff}, 0x4, 0xb50, [0x4, 0xa66a, 0x2, 0x6, 0xfffffffffffffffd, 0x4]}, {0x3, @struct={0xfffffffc, 0x200}, 0x0, 0x0, 0x3, 0x6, 0x0, 0x5, 0x24, @struct={0x9f134d7, 0x3}, 0x6d3b, 0xe5d, [0x42, 0x8e97, 0xffffffffffff0001, 0x401, 0x5, 0x1]}, {0x2, @usage=0x5, 0x0, 0x3f, 0xffff, 0x3, 0x80000000, 0x0, 0x400, @struct={0xffff, 0x5}, 0x0, 0x3, [0x6, 0x1f, 0x9, 0xaff, 0x4, 0x1]}, {0x2, 0x6, 0xfffffffffffff63f}}) ioctl$BTRFS_IOC_BALANCE_V2(r0, 0xc4009420, &(0x7f0000000880)={0x8, 0x2, {0x4, @struct={0x3}, r1, 0x1, 0x8, 0x4, 0x40, 0xc6, 0x20, @struct={0x6, 0x8}, 0x6f73, 0x3f, [0xed, 0xea, 0xfffffffffffffffe, 0x3, 0x9b55, 0x2]}, {0x73a3, @struct={0x80000001, 0x10000}, 0x0, 0x2, 0x1, 0x4, 0x5, 0x0, 0x44f, @usage=0x5a2, 0xf1, 0x4, [0x4, 0x5, 0x100000001, 0x7, 0x200, 0xffffffffffff9a21]}, {0x7, @usage=0x4700, r2, 0x6, 0x200, 0x11ca, 0x9083, 0x2, 0x14, @struct={0x3, 0x7ff}, 0x9, 0x8, [0x8, 0x0, 0x0, 0x5, 0xccc3, 0x80000001]}, {0x2, 0x4, 0x4}}) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r0, 0xab00, r3) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x13e) ioctl$NBD_SET_SOCK(r0, 0xab03, 0xffffffffffffffff) 22:54:41 executing program 4: openat$sequencer2(0xffffffffffffff9c, &(0x7f0000000000)='/dev/sequencer2\x00', 0x0, 0x0) openat$snapshot(0xffffffffffffff9c, &(0x7f0000000040)='/dev/snapshot\x00', 0x40181, 0x0) 22:54:41 executing program 3: openat$snapshot(0xffffffffffffff9c, &(0x7f0000000000)='/dev/snapshot\x00', 0x0, 0x0) ioctl$SNDCTL_TMR_METRONOME(0xffffffffffffffff, 0x40045407) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)) openat$snapshot(0xffffffffffffff9c, &(0x7f00000000c0)='/dev/snapshot\x00', 0x0, 0x0) ioctl$SNDRV_PCM_IOCTL_LINK(0xffffffffffffffff, 0x40044160, &(0x7f0000000100)=0x9) r0 = openat$sequencer(0xffffffffffffff9c, &(0x7f0000000140)='/dev/sequencer\x00', 0x2, 0x0) r1 = openat$dlm_control(0xffffffffffffff9c, &(0x7f0000000000)='/dev/dlm-control\x00', 0x0, 0x0) ioctl$SNDRV_PCM_IOCTL_XRUN(r1, 0x4148, 0x0) write$FUSE_NOTIFY_INVAL_INODE(r1, &(0x7f0000000080)={0x28, 0x2, 0x0, {0x3, 0x8001}}, 0x28) ioctl$SNDCTL_SEQ_PANIC(r0, 0x5111) ioctl$SNDCTL_SEQ_RESET(r0, 0x5100) 22:54:41 executing program 4: mmap$snddsp_control(&(0x7f0000000000/0x3000)=nil, 0x1000, 0x1000008, 0x4000010, 0xffffffffffffffff, 0x83000000) openat$snapshot(0xffffffffffffff9c, &(0x7f0000000040)='/dev/snapshot\x00', 0x6aefc3, 0x0) 22:54:41 executing program 4: r0 = openat$dlm_control(0xffffffffffffff9c, &(0x7f0000000000)='/dev/dlm-control\x00', 0x10000, 0x0) r1 = syz_genetlink_get_family_id$netlbl_unlabel(&(0x7f00000000c0)='NLBL_UNLBL\x00') sendmsg$NLBL_UNLABEL_C_STATICLISTDEF(r0, &(0x7f00000001c0)={&(0x7f0000000080)={0x10, 0x0, 0x0, 0x400}, 0xc, &(0x7f0000000180)={&(0x7f0000000100)={0x80, r1, 0x20, 0x70bd25, 0x25dfdbfc, {}, [@NLBL_UNLABEL_A_IFACE={0x14, 0x6, 'caif0\x00'}, @NLBL_UNLABEL_A_IPV6ADDR={0x14, 0x2, @mcast1}, @NLBL_UNLABEL_A_IFACE={0x14, 0x6, 'syz_tun\x00'}, @NLBL_UNLABEL_A_IFACE={0x14, 0x6, 'veth1_to_bond\x00'}, @NLBL_UNLABEL_A_IPV6MASK={0x14, 0x3, @private2}, @NLBL_UNLABEL_A_IPV4ADDR={0x8, 0x4, @loopback}]}, 0x80}}, 0x4040000) openat$snapshot(0xffffffffffffff9c, &(0x7f0000000040)='/dev/snapshot\x00', 0x40181, 0x0) 22:54:41 executing program 3: sendmsg$NLBL_MGMT_C_ADDDEF(0xffffffffffffffff, &(0x7f0000000200)={&(0x7f00000000c0), 0xc, &(0x7f0000000100)={&(0x7f0000000180)={0x50, 0x0, 0x300, 0x70bd2a, 0x25dfdbfd, {}, [@NLBL_MGMT_A_PROTOCOL={0x8, 0x2, 0x7}, @NLBL_MGMT_A_IPV4MASK={0x8, 0x8, @initdev={0xac, 0x1e, 0x0, 0x0}}, @NLBL_MGMT_A_PROTOCOL={0x8, 0x2, 0x7}, @NLBL_MGMT_A_FAMILY={0x6, 0xb, 0x10}, @NLBL_MGMT_A_CV4DOI={0x8, 0x4, 0x3}, @NLBL_MGMT_A_IPV6MASK={0x14, 0x6, @local}]}, 0x50}}, 0x81) openat$snapshot(0xffffffffffffff9c, &(0x7f0000000000)='/dev/snapshot\x00', 0x0, 0x0) r0 = socket$nl_generic(0x10, 0x3, 0x10) sendmsg$MPTCP_PM_CMD_ADD_ADDR(r0, &(0x7f0000000400)={&(0x7f0000000340)={0x10, 0x0, 0x0, 0x40000}, 0xc, &(0x7f00000003c0)={&(0x7f0000000380)={0x1c, 0x0, 0x100, 0x70bd2a, 0x25dfdbfd, {}, [@MPTCP_PM_ATTR_SUBFLOWS={0x8, 0x3, 0x1}]}, 0x1c}, 0x1, 0x0, 0x0, 0x20004010}, 0x10) ioctl$SNDCTL_TMR_METRONOME(0xffffffffffffffff, 0x40045407) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)) r1 = openat$sequencer(0xffffffffffffff9c, &(0x7f0000000140)='/dev/sequencer\x00', 0x2, 0x0) ioctl$SNDCTL_SEQ_PANIC(r1, 0x5111) ioctl$SNDCTL_SEQ_RESET(r1, 0x5100) ioctl$SNDCTL_SEQ_GETOUTCOUNT(r1, 0x80045104, &(0x7f0000000080)) write$RDMA_USER_CM_CMD_INIT_QP_ATTR(0xffffffffffffffff, &(0x7f0000000300)={0xb, 0x10, 0xfa00, {&(0x7f0000000240), 0xffffffffffffffff, 0x5}}, 0x18) 22:54:41 executing program 3: openat$snapshot(0xffffffffffffff9c, &(0x7f0000000000)='/dev/snapshot\x00', 0x0, 0x0) ioctl$SNDCTL_TMR_METRONOME(0xffffffffffffffff, 0x40045407) openat$sequencer2(0xffffffffffffff9c, &(0x7f0000000080)='/dev/sequencer2\x00', 0x400000, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)) r0 = openat$sequencer(0xffffffffffffff9c, &(0x7f0000000140)='/dev/sequencer\x00', 0x2, 0x0) ioctl$SNDCTL_SEQ_PANIC(r0, 0x5111) ioctl$SNDCTL_SEQ_RESET(r0, 0x5100) 22:54:41 executing program 4: openat$snapshot(0xffffffffffffff9c, &(0x7f0000000180)='/dev/snapshot\x00', 0x50d581, 0x0) openat$dlm_control(0xffffffffffffff9c, &(0x7f0000000000)='/dev/dlm-control\x00', 0x40, 0x0) openat$dlm_control(0xffffffffffffff9c, &(0x7f0000000080)='/dev/dlm-control\x00', 0x113000, 0x0) r0 = openat$snapshot(0xffffffffffffff9c, &(0x7f0000000100)='/dev/snapshot\x00', 0x640200, 0x0) ioctl$SNAPSHOT_S2RAM(r0, 0x330b) r1 = openat$dlm_control(0xffffffffffffff9c, &(0x7f0000000000)='/dev/dlm-control\x00', 0x0, 0x0) ioctl$SNDRV_PCM_IOCTL_XRUN(r1, 0x4148, 0x0) r2 = openat$dlm_control(0xffffffffffffff9c, &(0x7f0000000140)='/dev/dlm-control\x00', 0x0, 0x0) ioctl$SNDRV_PCM_IOCTL_XRUN(r2, 0x4148, 0x0) r3 = openat$dlm_control(0xffffffffffffff9c, &(0x7f0000000000)='/dev/dlm-control\x00', 0x0, 0x0) ioctl$SNDRV_PCM_IOCTL_XRUN(r3, 0x4148, 0x0) r4 = openat$dlm_control(0xffffffffffffff9c, &(0x7f0000000000)='/dev/dlm-control\x00', 0x0, 0x0) ioctl$SNDRV_PCM_IOCTL_XRUN(r4, 0x4148, 0x0) ioctl$SNAPSHOT_GET_IMAGE_SIZE(r4, 0x8008330e, &(0x7f00000000c0)) [ 2059.795638] block nbd0: Receive control failed (result -32) [ 2059.799954] block nbd0: Device being setup by another task [ 2059.808221] block nbd0: shutting down sockets [ 2059.823442] block nbd2: Receive control failed (result -32) [ 2059.829692] block nbd2: Device being setup by another task [ 2059.835688] block nbd1: Receive control failed (result -32) 22:54:42 executing program 0: r0 = syz_open_dev$ndb(&(0x7f0000000000)='/dev/nbd#\x00', 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff, 0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x13e) r3 = socket$nl_generic(0x10, 0x3, 0x10) ioctl$BTRFS_IOC_DEV_REPLACE(r2, 0xca289435, &(0x7f0000000cc0)={0x0, 0x7fffffff, @status={[0x2, 0x7, 0x800000000004, 0x2, 0x1, 0xfff]}, [0x9, 0xfffffffffffffff8, 0x40, 0x4, 0x9, 0xfffffffffffffffb, 0x3, 0x7, 0x4, 0x4, 0xe669, 0xa32c, 0x7, 0x8, 0x8001, 0x100, 0x6, 0x5, 0x5, 0xffffffff, 0x0, 0x2, 0x8, 0x9, 0x8, 0x1000, 0xc000000000000000, 0x6, 0xd5, 0x4, 0x10001, 0x54ad, 0x80000001, 0x80000001, 0x9, 0x0, 0x9, 0x100000001, 0x4, 0x4, 0x20, 0x3, 0xffffffffffffffff, 0x1000, 0x4, 0x9, 0xffff, 0x7ff, 0x4, 0x7, 0x100000000, 0x400, 0xfa9, 0x0, 0x6, 0x3, 0x7, 0xfffffffffffff6f0, 0xfffffffffffffffc, 0x3f, 0x1800, 0x7, 0x100000001, 0xfffffffffffff001]}) sendmsg$MPTCP_PM_CMD_SET_LIMITS(r3, &(0x7f0000000c80)={&(0x7f0000000bc0)={0x10, 0x0, 0x0, 0x20400000}, 0xc, &(0x7f0000000c40)={&(0x7f0000000c00)={0x14}, 0x14}}, 0x0) sendmsg$MPTCP_PM_CMD_SET_LIMITS(r3, &(0x7f0000000180)={&(0x7f0000000080), 0xc, &(0x7f0000000140)={&(0x7f00000001c0)={0x58, 0x0, 0x400, 0x70bd2b, 0x25dfdbfb, {}, [@MPTCP_PM_ATTR_ADDR={0x18, 0x1, 0x0, 0x1, [@MPTCP_PM_ADDR_ATTR_ADDR6={0x14, 0x4, @dev={0xfe, 0x80, [], 0x40}}]}, @MPTCP_PM_ATTR_RCV_ADD_ADDRS={0x8, 0x2, 0x1}, @MPTCP_PM_ATTR_RCV_ADD_ADDRS={0x8, 0x2, 0x8}, @MPTCP_PM_ATTR_SUBFLOWS={0x8, 0x3, 0x4}, @MPTCP_PM_ATTR_ADDR={0x4}, @MPTCP_PM_ATTR_SUBFLOWS={0x8, 0x3, 0x1}, @MPTCP_PM_ATTR_RCV_ADD_ADDRS={0x8, 0x2, 0x1}]}, 0x58}, 0x1, 0x0, 0x0, 0x5}, 0x4000004) ioctl$NBD_SET_SOCK(r0, 0xab03, 0xffffffffffffffff) r4 = socket$nl_generic(0x10, 0x3, 0x10) r5 = syz_genetlink_get_family_id$netlbl_unlabel(&(0x7f0000000240)='NLBL_UNLBL\x00') r6 = socket$nl_generic(0x10, 0x3, 0x10) sendmsg$MPTCP_PM_CMD_SET_LIMITS(r6, &(0x7f0000000c80)={&(0x7f0000000bc0)={0x10, 0x0, 0x0, 0x20400000}, 0xc, &(0x7f0000000c40)={&(0x7f0000000c00)={0x14}, 0x14}}, 0x0) r7 = syz_genetlink_get_family_id$ethtool(&(0x7f0000000400)='ethtool\x00') sendmsg$ETHTOOL_MSG_LINKINFO_SET(r6, &(0x7f00000004c0)={&(0x7f00000003c0), 0xc, &(0x7f0000000480)={&(0x7f0000000440)={0x1c, r7, 0x308, 0x70bd2c, 0x25dfdbfd, {}, [@ETHTOOL_A_LINKINFO_PHYADDR={0x5, 0x3, 0x81}]}, 0x1c}, 0x1, 0x0, 0x0, 0x2000c811}, 0x80) sendmsg$NLBL_UNLABEL_C_STATICLISTDEF(r4, &(0x7f0000000380)={&(0x7f0000000100)={0x10, 0x0, 0x0, 0x8000000}, 0xc, &(0x7f0000000340)={&(0x7f0000000280)={0xc0, r5, 0x400, 0x70bd2d, 0x25dfdbfe, {}, [@NLBL_UNLABEL_A_ACPTFLG={0x5, 0x1, 0x1}, @NLBL_UNLABEL_A_SECCTX={0x29, 0x7, 'system_u:object_r:dhcpd_var_run_t:s0\x00'}, @NLBL_UNLABEL_A_SECCTX={0x32, 0x7, 'system_u:object_r:systemd_systemctl_exec_t:s0\x00'}, @NLBL_UNLABEL_A_SECCTX={0x27, 0x7, 'system_u:object_r:passwd_exec_t:s0\x00'}, @NLBL_UNLABEL_A_IPV6MASK={0x14, 0x3, @private1={0xfc, 0x1, [], 0x1}}, @NLBL_UNLABEL_A_IPV4MASK={0x8, 0x5, @remote}]}, 0xc0}, 0x1, 0x0, 0x0, 0x40}, 0x1) r8 = openat$dlm_control(0xffffffffffffff9c, &(0x7f00000000c0)='/dev/dlm-control\x00', 0x18802, 0x0) ioctl$NBD_SET_BLKSIZE(r8, 0xab01, 0x4) 22:54:42 executing program 4: r0 = openat$snapshot(0xffffffffffffff9c, &(0x7f0000000040)='/dev/snapshot\x00', 0x40181, 0x0) ioctl$SNAPSHOT_S2RAM(r0, 0x330b) [ 2059.842065] block nbd1: shutting down sockets [ 2059.844714] block nbd5: Receive control failed (result -32) [ 2059.847646] block nbd2: shutting down sockets [ 2059.859180] block nbd5: Receive control failed (result -32) [ 2059.859466] block nbd5: shutting down sockets 22:54:42 executing program 5: r0 = syz_open_dev$ndb(&(0x7f0000000000)='/dev/nbd#\x00', 0x0, 0x0) r1 = openat$dlm_control(0xffffffffffffff9c, &(0x7f0000000000)='/dev/dlm-control\x00', 0x0, 0x0) ioctl$SNDRV_PCM_IOCTL_XRUN(r1, 0x4148, 0x0) openat$dlm_control(0xffffffffffffff9c, &(0x7f00000000c0)='/dev/dlm-control\x00', 0x8a000, 0x0) r2 = openat$dlm_control(0xffffffffffffff9c, &(0x7f0000000000)='/dev/dlm-control\x00', 0x0, 0x0) ioctl$SNDRV_PCM_IOCTL_XRUN(r2, 0x4148, 0x0) syz_open_dev$ndb(&(0x7f0000000100)='/dev/nbd#\x00', 0x0, 0xc0) openat$dlm_control(0xffffffffffffff9c, &(0x7f0000000180)='/dev/dlm-control\x00', 0x0, 0x0) ioctl$NBD_SET_SIZE(r1, 0xab02, 0x200000000003) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r0, 0xab00, r4) ioctl$NBD_SET_SOCK(r0, 0xab00, r3) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x13e) syz_open_dev$ndb(&(0x7f0000000140)='/dev/nbd#\x00', 0x0, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab03, 0xffffffffffffffff) 22:54:42 executing program 3: openat$snapshot(0xffffffffffffff9c, &(0x7f0000000000)='/dev/snapshot\x00', 0x0, 0x0) ioctl$SNDCTL_TMR_METRONOME(0xffffffffffffffff, 0x40045407) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)) r0 = openat$sequencer(0xffffffffffffff9c, &(0x7f0000000140)='/dev/sequencer\x00', 0x2, 0x0) r1 = openat$sequencer(0xffffffffffffff9c, &(0x7f0000000140)='/dev/sequencer\x00', 0x2, 0x0) r2 = openat$sequencer(0xffffffffffffff9c, &(0x7f0000000140)='/dev/sequencer\x00', 0x2, 0x0) ioctl$SNDCTL_SEQ_PANIC(r2, 0x5111) ioctl$SNDCTL_SYNTH_MEMAVL(r2, 0xc004510e, &(0x7f0000000200)=0x401) ioctl$SNDCTL_SEQ_PANIC(r1, 0x5111) ioctl$SNDCTL_SEQ_NRMIDIS(r0, 0x8004510b, &(0x7f0000000180)) ioctl$SNDCTL_SEQ_PANIC(r0, 0x5111) ioctl$SNDCTL_SEQ_RESET(r0, 0x5100) ioctl$SNDCTL_SYNTH_INFO(r0, 0xc08c5102, &(0x7f0000000080)={"07a983d67e06582dce942b0e5841413b9066050834e7acf6866e62b9cd77", 0xfffffffe, 0x1, 0x0, 0xffffffff, 0x7, 0x0, 0x7f, 0x6, [0x1, 0x4082e, 0x8, 0x0, 0x319, 0x4, 0xffffffff, 0x6, 0x8c, 0xfffffff9, 0xff, 0x5, 0x101, 0x92a9, 0x5, 0x54, 0xff, 0x378, 0x1438]}) r3 = openat$sequencer(0xffffffffffffff9c, &(0x7f0000000140)='/dev/sequencer\x00', 0x2, 0x0) ioctl$SNDCTL_SEQ_PANIC(r3, 0x5111) r4 = openat$sequencer2(0xffffffffffffff9c, &(0x7f0000000240)='/dev/sequencer2\x00', 0x0, 0x0) ioctl$SNDCTL_FM_4OP_ENABLE(r4, 0x4004510f, &(0x7f0000000280)=0xe693) ioctl$SNDCTL_FM_4OP_ENABLE(r3, 0x4004510f, &(0x7f00000001c0)=0x401) 22:54:42 executing program 2: r0 = syz_open_dev$ndb(&(0x7f0000000000)='/dev/nbd#\x00', 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) ioctl$SNAPSHOT_ALLOC_SWAP_PAGE(0xffffffffffffffff, 0x80083314, &(0x7f0000000080)) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x13e) r2 = syz_open_dev$ndb(&(0x7f0000000140)='/dev/nbd#\x00', 0x0, 0x0) ioctl$NBD_CLEAR_SOCK(r2, 0xab04) ioctl$NBD_SET_SOCK(r0, 0xab03, 0xffffffffffffffff) 22:54:42 executing program 1: r0 = syz_open_dev$ndb(&(0x7f0000000000)='/dev/nbd#\x00', 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x13e) ioctl$NBD_SET_SOCK(r0, 0xab03, 0xffffffffffffffff) ioctl$SOUND_MIXER_READ_CAPS(0xffffffffffffffff, 0x80044dfc, &(0x7f0000000080)) r2 = openat$dlm_control(0xffffffffffffff9c, &(0x7f0000000000)='/dev/dlm-control\x00', 0x0, 0x0) ioctl$SNDRV_PCM_IOCTL_XRUN(r2, 0x4148, 0x0) openat$mixer(0xffffffffffffff9c, &(0x7f00000000c0)='/dev/mixer\x00', 0x200200, 0x0) r3 = openat$dlm_control(0xffffffffffffff9c, &(0x7f0000000000)='/dev/dlm-control\x00', 0x0, 0x0) ioctl$SNDRV_PCM_IOCTL_XRUN(r3, 0x4148, 0x0) ioctl$SOUND_MIXER_WRITE_VOLUME(r3, 0xc0044d12, &(0x7f0000000200)=0x64) r4 = openat$dlm_control(0xffffffffffffff9c, &(0x7f0000000000)='/dev/dlm-control\x00', 0x0, 0x0) ioctl$SNDRV_PCM_IOCTL_XRUN(r4, 0x4148, 0x0) fanotify_init(0x0, 0x2) ioctl$NBD_SET_SOCK(r0, 0xab00, r4) r5 = socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_DISCONNECT(r5, &(0x7f00000001c0)={&(0x7f0000000100)={0x10, 0x0, 0x0, 0x2}, 0xc, &(0x7f0000000180)={&(0x7f0000000140)={0x3c, 0x0, 0x8, 0x70bd26, 0x25dfdbff, {}, [@NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x5}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x6}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x3c}, 0x1, 0x0, 0x0, 0x404c091}, 0x4400) ioctl$NBD_DO_IT(r2, 0xab03) 22:54:42 executing program 4: openat$snapshot(0xffffffffffffff9c, &(0x7f0000000000)='/dev/snapshot\x00', 0x501d80, 0x0) r0 = openat$sequencer(0xffffffffffffff9c, &(0x7f0000000040)='/dev/sequencer\x00', 0x208140, 0x0) ioctl$SNDCTL_FM_LOAD_INSTR(r0, 0x40285107) [ 2060.031290] block nbd2: shutting down sockets 22:54:42 executing program 3: openat$snapshot(0xffffffffffffff9c, &(0x7f0000000080)='/dev/snapshot\x00', 0x200, 0x0) bpf$BPF_BTF_GET_NEXT_ID(0x17, &(0x7f0000000000)={0x200, 0x0}, 0x8) bpf$BPF_BTF_GET_FD_BY_ID(0x13, &(0x7f00000000c0)=r0, 0x4) ioctl$SNDCTL_TMR_METRONOME(0xffffffffffffffff, 0x40045407) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)) r1 = openat$sequencer(0xffffffffffffff9c, &(0x7f0000000140)='/dev/sequencer\x00', 0x2, 0x0) ioctl$SNDCTL_SEQ_PANIC(r1, 0x5111) r2 = openat$sequencer(0xffffffffffffff9c, &(0x7f0000000140)='/dev/sequencer\x00', 0x2, 0x0) ioctl$SNDCTL_SEQ_PANIC(r2, 0x5111) r3 = openat$sequencer(0xffffffffffffff9c, &(0x7f0000000140)='/dev/sequencer\x00', 0x2, 0x0) ioctl$SNDCTL_SEQ_PANIC(r3, 0x5111) ioctl$SNDCTL_SEQ_RESET(r3, 0x5100) [ 2060.074766] block nbd2: shutting down sockets 22:54:42 executing program 2: r0 = syz_open_dev$ndb(&(0x7f0000000000)='/dev/nbd#\x00', 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x13e) r2 = syz_open_dev$ndb(&(0x7f0000000140)='/dev/nbd#\x00', 0x0, 0x0) ioctl$NBD_CLEAR_SOCK(r2, 0xab04) write$FUSE_NOTIFY_INVAL_INODE(0xffffffffffffffff, &(0x7f0000000080)={0x28, 0x2, 0x0, {0x1, 0x100, 0x4}}, 0x28) ioctl$NBD_SET_SOCK(r0, 0xab03, 0xffffffffffffffff) 22:54:42 executing program 4: openat$snapshot(0xffffffffffffff9c, &(0x7f0000000040)='/dev/snapshot\x00', 0x440ac3, 0x0) r0 = openat$dlm_control(0xffffffffffffff9c, &(0x7f0000000000)='/dev/dlm-control\x00', 0x0, 0x0) ioctl$SNDRV_PCM_IOCTL_XRUN(r0, 0x4148, 0x0) r1 = openat$dlm_control(0xffffffffffffff9c, &(0x7f0000000000)='/dev/dlm-control\x00', 0x0, 0x0) ioctl$SNDRV_PCM_IOCTL_XRUN(r1, 0x4148, 0x0) ioctl$SNAPSHOT_ALLOC_SWAP_PAGE(r1, 0x80083314, &(0x7f0000000000)) [ 2060.181715] block nbd2: shutting down sockets [ 2060.200723] block nbd2: shutting down sockets 22:54:42 executing program 2: r0 = syz_open_dev$ndb(&(0x7f0000000000)='/dev/nbd#\x00', 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x13e) r2 = syz_open_dev$ndb(&(0x7f0000000140)='/dev/nbd#\x00', 0x0, 0x0) r3 = openat$dlm_control(0xffffffffffffff9c, &(0x7f0000000000)='/dev/dlm-control\x00', 0x0, 0x0) ioctl$SNDRV_PCM_IOCTL_XRUN(r3, 0x4148, 0x0) ioctl$NBD_CLEAR_SOCK(r3, 0xab04) ioctl$NBD_CLEAR_SOCK(r2, 0xab04) ioctl$NBD_SET_SOCK(r0, 0xab03, 0xffffffffffffffff) 22:54:42 executing program 3: openat$snapshot(0xffffffffffffff9c, &(0x7f0000000000)='/dev/snapshot\x00', 0x0, 0x0) ioctl$SNDCTL_TMR_METRONOME(0xffffffffffffffff, 0x40045407) r0 = openat$sequencer(0xffffffffffffff9c, &(0x7f00000000c0)='/dev/sequencer\x00', 0x0, 0x0) ioctl$SNDCTL_SEQ_GETOUTCOUNT(0xffffffffffffffff, 0x80045104, &(0x7f0000000080)) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)) r1 = openat$sequencer(0xffffffffffffff9c, &(0x7f0000000140)='/dev/sequencer\x00', 0x2, 0x0) ioctl$SNDCTL_SEQ_PANIC(r1, 0x5111) ioctl$SNDCTL_SEQ_RESET(r1, 0x5100) ioctl$SNDCTL_TMR_STOP(r1, 0x5403) syz_open_dev$ndb(&(0x7f0000000180)='/dev/nbd#\x00', 0x0, 0x0) ioctl$SNDCTL_SEQ_OUTOFBAND(r0, 0x40085112, &(0x7f0000000100)=@x={0x94, 0xc, "e9baecb5fd69"}) [ 2060.287358] block nbd2: shutting down sockets [ 2060.318827] block nbd2: shutting down sockets [ 2060.336694] block nbd2: Could not allocate knbd recv work queue. [ 2060.820237] block nbd0: Receive control failed (result -32) [ 2060.823705] block nbd0: Device being setup by another task [ 2060.834287] block nbd5: Receive control failed (result -32) [ 2060.834856] block nbd5: shutting down sockets [ 2060.848671] block nbd0: shutting down sockets [ 2060.853193] block nbd1: Receive control failed (result -32) [ 2060.853662] block nbd1: shutting down sockets 22:54:43 executing program 0: r0 = syz_open_dev$ndb(&(0x7f0000000000)='/dev/nbd#\x00', 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = openat$dlm_control(0xffffffffffffff9c, &(0x7f0000000080)='/dev/dlm-control\x00', 0x0, 0x0) r3 = syz_genetlink_get_family_id$nbd(&(0x7f0000000100)='nbd\x00') r4 = openat$dlm_control(0xffffffffffffff9c, &(0x7f0000000000)='/dev/dlm-control\x00', 0x0, 0x0) r5 = openat$sequencer(0xffffffffffffff9c, &(0x7f0000000140)='/dev/sequencer\x00', 0x2, 0x0) ioctl$SNDCTL_SEQ_PANIC(r5, 0x5111) ioctl$SNDCTL_TMR_SELECT(r5, 0x40045408) ioctl$SNDRV_PCM_IOCTL_XRUN(r4, 0x4148, 0x0) sendmsg$NBD_CMD_RECONFIGURE(r2, &(0x7f00000001c0)={&(0x7f00000000c0), 0xc, &(0x7f0000000180)={&(0x7f0000000140)=ANY=[@ANYBLOB='(\x00\x00\x00', @ANYRES16=r3, @ANYBLOB="00012dbd7000ffdbdf2503000000140007000100", @ANYRES32=r1, @ANYBLOB="08000100", @ANYRES32=r4, @ANYBLOB], 0x28}, 0x1, 0x0, 0x0, 0x4008004}, 0x880) ioctl$NBD_SET_FLAGS(r4, 0xab0a, 0xffffffffffffffff) ioctl$NBD_SET_SOCK(r0, 0xab03, 0xffffffffffffffff) 22:54:43 executing program 4: openat$snapshot(0xffffffffffffff9c, &(0x7f0000000040)='/dev/snapshot\x00', 0x40181, 0x0) 22:54:43 executing program 3: openat$snapshot(0xffffffffffffff9c, &(0x7f0000000000)='/dev/snapshot\x00', 0x0, 0x0) ioctl$SNDCTL_TMR_METRONOME(0xffffffffffffffff, 0x40045407) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)) r0 = openat$sequencer(0xffffffffffffff9c, &(0x7f0000000140)='/dev/sequencer\x00', 0x2, 0x0) r1 = syz_open_dev$dri(&(0x7f0000001400)='/dev/dri/card#\x00', 0x0, 0x0) write$sequencer(r0, &(0x7f0000000100)=[@x={0x94, 0x3, "18c928dc12d3"}, @e={0xff, 0xc, 0xa, 0xf7, @SEQ_NOTEON=@special, 0x8, 0x4, 0x6}, @echo=0x5], 0x14) ioctl$DRM_IOCTL_MODE_CREATEPROPBLOB(r1, 0xc01064bd, &(0x7f0000001480)={0x0}) ioctl$DRM_IOCTL_GEM_FLINK(0xffffffffffffffff, 0xc008640a, &(0x7f0000000080)={0x0, 0x0}) ioctl$DRM_IOCTL_GEM_OPEN(r1, 0xc010640b, &(0x7f00000000c0)={r2}) ioctl$SNDCTL_SEQ_PANIC(r0, 0x5111) ioctl$SNDCTL_SEQ_RESET(r0, 0x5100) 22:54:43 executing program 2: r0 = syz_open_dev$ndb(&(0x7f0000000000)='/dev/nbd#\x00', 0x0, 0x0) r1 = socket$nl_generic(0x10, 0x3, 0x10) sendmsg$ETHTOOL_MSG_EEE_SET(r1, &(0x7f0000000100)={&(0x7f0000000080)={0x10, 0x0, 0x0, 0x100000}, 0xc, &(0x7f00000000c0)={&(0x7f0000000180)={0x240, 0x0, 0x200, 0x70bd29, 0x25dfdbfc, {}, [@ETHTOOL_A_EEE_TX_LPI_ENABLED={0x5}, @ETHTOOL_A_EEE_TX_LPI_TIMER={0x8, 0x7, 0x2}, @ETHTOOL_A_EEE_ENABLED={0x5, 0x5, 0x1}, @ETHTOOL_A_EEE_ENABLED={0x5}, @ETHTOOL_A_EEE_MODES_OURS={0x20c, 0x2, 0x0, 0x1, [@ETHTOOL_A_BITSET_NOMASK={0x4}, @ETHTOOL_A_BITSET_VALUE={0xc9, 0x4, "9455df5a6fca9c87ff85f851389cc228d42624acabbcbe16c9d50b016988661a1b921d7e3dacfcc642da0d057c9e16d1847261096cc66f8b926e3133e3f9ba52ac892a741f56f0906e4cf5606049c7535de2d52568613435d5eecc1bc1de18aa5f8e5357cc6f7056e704757b3977efecf20465395536b573b2ef62af3393ba9dbf45dce1f8ed025a61f5b79faca5aac2bc0dc098524f9fb531bb8f83364fd66ffaa668811b5dba4a90961132ef3c05228b87c4162dcc2d110b3152c2ee29b14dc6d0bc8403"}, @ETHTOOL_A_BITSET_VALUE={0x7, 0x4, "32779c"}, @ETHTOOL_A_BITSET_BITS={0x30, 0x3, 0x0, 0x1, [{0x2c, 0x1, 0x0, 0x1, [@ETHTOOL_A_BITSET_BIT_INDEX={0x8, 0x1, 0x2}, @ETHTOOL_A_BITSET_BIT_VALUE={0x4}, @ETHTOOL_A_BITSET_BIT_INDEX={0x8, 0x1, 0x1000}, @ETHTOOL_A_BITSET_BIT_VALUE={0x4}, @ETHTOOL_A_BITSET_BIT_NAME={0xe, 0x2, '/dev/nbd#\x00'}]}]}, @ETHTOOL_A_BITSET_SIZE={0x8, 0x2, 0x8}, @ETHTOOL_A_BITSET_MASK={0xed, 0x5, "33d2929fb987b8d74c1b4a7572f670649e1923d0ffe6b8ca857a890d658d930c8a587c3a38c50e9e4d70153ee159399955d5cb1e30f6a71b50d6586db9fc9dda7e4c2c4336ceb34130968c7e99ba9fd26750b178aa99decfd5f076f516a4a72e3ddbe069eae169f8c16d68b104d0aa95444888f181054010fc9455f85cc93e4c75b645e85d13e11913173e50a4eb87f0f92e882a37b994e84fc7bea24743ac959bb41f210d3165ee1df416d2ae788345d644a1668d5641797d42c261aac288de7f9938c376387880a7e135cc0218e965478ae05d5385bef01fbc0f7653fe45fb998f15f37d093ee14d"}, @ETHTOOL_A_BITSET_NOMASK={0x4}, @ETHTOOL_A_BITSET_NOMASK={0x4}]}]}, 0x240}, 0x1, 0x0, 0x0, 0x4044090}, 0x11) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r0, 0xab00, r2) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x13e) r3 = syz_open_dev$ndb(&(0x7f0000000140)='/dev/nbd#\x00', 0x0, 0x0) ioctl$NBD_CLEAR_SOCK(r3, 0xab04) ioctl$NBD_SET_SOCK(r0, 0xab03, 0xffffffffffffffff) 22:54:43 executing program 5: r0 = syz_open_dev$ndb(&(0x7f0000000000)='/dev/nbd#\x00', 0x0, 0x0) r1 = openat$dlm_control(0xffffffffffffff9c, &(0x7f0000000000)='/dev/dlm-control\x00', 0x0, 0x0) ioctl$SNDRV_PCM_IOCTL_XRUN(r1, 0x4148, 0x0) openat$dlm_control(0xffffffffffffff9c, &(0x7f00000000c0)='/dev/dlm-control\x00', 0x8a000, 0x0) r2 = openat$dlm_control(0xffffffffffffff9c, &(0x7f0000000000)='/dev/dlm-control\x00', 0x0, 0x0) ioctl$SNDRV_PCM_IOCTL_XRUN(r2, 0x4148, 0x0) syz_open_dev$ndb(&(0x7f0000000100)='/dev/nbd#\x00', 0x0, 0xc0) openat$dlm_control(0xffffffffffffff9c, &(0x7f0000000180)='/dev/dlm-control\x00', 0x0, 0x0) ioctl$NBD_SET_SIZE(r1, 0xab02, 0x200000000003) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r0, 0xab00, r4) ioctl$NBD_SET_SOCK(r0, 0xab00, r3) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x13e) ioctl$NBD_CLEAR_SOCK(0xffffffffffffffff, 0xab04) ioctl$NBD_SET_SOCK(r0, 0xab03, 0xffffffffffffffff) [ 2060.930532] block nbd1: Receive control failed (result -32) [ 2060.937362] block nbd1: shutting down sockets 22:54:43 executing program 1: r0 = syz_open_dev$ndb(&(0x7f0000000000)='/dev/nbd#\x00', 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)) r2 = openat$dlm_control(0xffffffffffffff9c, &(0x7f0000000000)='/dev/dlm-control\x00', 0x0, 0x0) ioctl$SNDRV_PCM_IOCTL_XRUN(r2, 0x4148, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, r2) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x13e) ioctl$NBD_SET_SOCK(r0, 0xab03, 0xffffffffffffffff) [ 2060.980560] block nbd2: shutting down sockets [ 2061.013004] block nbd2: shutting down sockets 22:54:43 executing program 2: r0 = syz_open_dev$ndb(&(0x7f0000000000)='/dev/nbd#\x00', 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) ioctl$SNDRV_PCM_IOCTL_UNLINK(0xffffffffffffffff, 0x4161, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x13e) r2 = syz_open_dev$ndb(&(0x7f0000000140)='/dev/nbd#\x00', 0x0, 0x0) ioctl$NBD_CLEAR_SOCK(r2, 0xab04) ioctl$NBD_SET_SOCK(r0, 0xab03, 0xffffffffffffffff) 22:54:43 executing program 4: openat$snapshot(0xffffffffffffff9c, &(0x7f0000000040)='/dev/snapshot\x00', 0x40181, 0x0) openat$snapshot(0xffffffffffffff9c, &(0x7f0000000000)='/dev/snapshot\x00', 0xf224cabfe4009aa8, 0x0) 22:54:43 executing program 3: openat$snapshot(0xffffffffffffff9c, &(0x7f0000000000)='/dev/snapshot\x00', 0x0, 0x0) ioctl$SNDCTL_TMR_METRONOME(0xffffffffffffffff, 0x40045407) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)) r0 = openat$sequencer(0xffffffffffffff9c, &(0x7f0000000140)='/dev/sequencer\x00', 0x2, 0x0) ioctl$SNDCTL_SEQ_PANIC(r0, 0x5111) ioctl$SNDCTL_SEQ_RESET(r0, 0x5100) r1 = openat$sequencer(0xffffffffffffff9c, &(0x7f0000000080)='/dev/sequencer\x00', 0x420840, 0x0) ioctl$SNDCTL_SYNTH_MEMAVL(r1, 0xc004510e, &(0x7f00000000c0)=0x7) [ 2061.144218] block nbd2: shutting down sockets [ 2061.175790] block nbd2: shutting down sockets 22:54:43 executing program 2: r0 = syz_open_dev$ndb(&(0x7f0000000000)='/dev/nbd#\x00', 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x13e) r2 = syz_open_dev$ndb(&(0x7f0000000140)='/dev/nbd#\x00', 0x0, 0x0) ioctl$NBD_CLEAR_SOCK(r2, 0xab04) ioctl$NBD_SET_SOCK(r0, 0xab03, 0xffffffffffffffff) 22:54:43 executing program 4: openat$snapshot(0xffffffffffffff9c, &(0x7f0000000040)='/dev/snapshot\x00', 0x40181, 0x0) r0 = openat$snapshot(0xffffffffffffff9c, &(0x7f0000000000)='/dev/snapshot\x00', 0x0, 0x0) ioctl$SNAPSHOT_S2RAM(r0, 0x330b) [ 2061.293925] block nbd2: shutting down sockets 22:54:43 executing program 3: openat$snapshot(0xffffffffffffff9c, &(0x7f0000000000)='/dev/snapshot\x00', 0x0, 0x0) ioctl$SNDCTL_TMR_METRONOME(0xffffffffffffffff, 0x40045407) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)) r0 = openat$sequencer(0xffffffffffffff9c, &(0x7f0000000140)='/dev/sequencer\x00', 0x2, 0x0) ioctl$SNDCTL_SEQ_PANIC(r0, 0x5111) ioctl$SNDCTL_SEQ_RESET(r0, 0x5100) r1 = openat$sequencer(0xffffffffffffff9c, &(0x7f0000000140)='/dev/sequencer\x00', 0x2, 0x0) ioctl$SNDCTL_SEQ_PANIC(r1, 0x5111) ioctl$SNDCTL_FM_4OP_ENABLE(r1, 0x4004510f, &(0x7f00000001c0)=0x5) r2 = accept$nfc_llcp(0xffffffffffffffff, 0x0, &(0x7f0000000080)) accept$nfc_llcp(r2, &(0x7f00000000c0), &(0x7f0000000180)=0x60) r3 = syz_open_dev$sndpcmp(&(0x7f0000000200)='/dev/snd/pcmC#D#p\x00', 0x1a, 0x30080) ioctl$SNDRV_PCM_IOCTL_DRAIN(r3, 0x4144, 0x0) [ 2061.346194] block nbd2: shutting down sockets 22:54:44 executing program 0: r0 = syz_open_dev$ndb(&(0x7f0000000000)='/dev/nbd#\x00', 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) ioctl$NBD_SET_FLAGS(0xffffffffffffffff, 0xab0a, 0x13e) ioctl$NBD_SET_SIZE(r0, 0xab02, 0x7) ioctl$NBD_SET_SOCK(r0, 0xab03, 0xffffffffffffffff) 22:54:44 executing program 2: r0 = syz_open_dev$ndb(&(0x7f0000000000)='/dev/nbd#\x00', 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x13e) r2 = syz_open_dev$ndb(&(0x7f0000000140)='/dev/nbd#\x00', 0x0, 0x0) ioctl$NBD_CLEAR_SOCK(r2, 0xab04) ioctl$NBD_SET_SOCK(r0, 0xab03, 0xffffffffffffffff) 22:54:44 executing program 3: openat$snapshot(0xffffffffffffff9c, &(0x7f0000000000)='/dev/snapshot\x00', 0x0, 0x0) ioctl$SNAPSHOT_GET_IMAGE_SIZE(0xffffffffffffffff, 0x8008330e, &(0x7f0000000080)) ioctl$SNDCTL_TMR_METRONOME(0xffffffffffffffff, 0x40045407) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)) r0 = openat$sequencer(0xffffffffffffff9c, &(0x7f0000000140)='/dev/sequencer\x00', 0x82102, 0x0) ioctl$SNDCTL_TMR_SELECT(r0, 0x40045408) openat$sequencer2(0xffffffffffffff9c, &(0x7f0000000000)='/dev/sequencer2\x00', 0x18680, 0x0) ioctl$SNDCTL_SEQ_PANIC(r0, 0x5111) ioctl$SNDCTL_SEQ_RESET(r0, 0x5100) 22:54:44 executing program 4: openat$snapshot(0xffffffffffffff9c, &(0x7f0000000000)='/dev/snapshot\x00', 0xa00, 0x0) r0 = openat$snapshot(0xffffffffffffff9c, &(0x7f0000000100)='/dev/snapshot\x00', 0x4001, 0x0) ioctl$SNAPSHOT_AVAIL_SWAP_SIZE(r0, 0x80083313, &(0x7f0000000140)) r1 = openat$dlm_control(0xffffffffffffff9c, &(0x7f0000000040)='/dev/dlm-control\x00', 0x200000, 0x0) r2 = openat$dlm_control(0xffffffffffffff9c, &(0x7f0000000000)='/dev/dlm-control\x00', 0x0, 0x0) ioctl$SNDRV_PCM_IOCTL_XRUN(r2, 0x4148, 0x0) openat$cgroup_devices(r2, &(0x7f00000000c0)='devices.allow\x00', 0x2, 0x0) ioctl$SNDRV_PCM_IOCTL_STATUS_EXT32(0xffffffffffffffff, 0xc06c4124, &(0x7f0000000180)={0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1}) ioctl$SNDCTL_FM_LOAD_INSTR(r1, 0x40285107) ioctl$SNAPSHOT_ALLOC_SWAP_PAGE(r1, 0x80083314, &(0x7f0000000080)) 22:54:44 executing program 5: r0 = syz_open_dev$ndb(&(0x7f0000000000)='/dev/nbd#\x00', 0x0, 0x0) r1 = openat$dlm_control(0xffffffffffffff9c, &(0x7f0000000000)='/dev/dlm-control\x00', 0x0, 0x0) ioctl$SNDRV_PCM_IOCTL_XRUN(r1, 0x4148, 0x0) openat$dlm_control(0xffffffffffffff9c, &(0x7f00000000c0)='/dev/dlm-control\x00', 0x8a000, 0x0) r2 = openat$dlm_control(0xffffffffffffff9c, &(0x7f0000000000)='/dev/dlm-control\x00', 0x0, 0x0) ioctl$SNDRV_PCM_IOCTL_XRUN(r2, 0x4148, 0x0) syz_open_dev$ndb(&(0x7f0000000100)='/dev/nbd#\x00', 0x0, 0xc0) openat$dlm_control(0xffffffffffffff9c, &(0x7f0000000180)='/dev/dlm-control\x00', 0x0, 0x0) ioctl$NBD_SET_SIZE(r1, 0xab02, 0x200000000003) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r0, 0xab00, r4) ioctl$NBD_SET_SOCK(r0, 0xab00, r3) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x13e) ioctl$NBD_CLEAR_SOCK(0xffffffffffffffff, 0xab04) ioctl$NBD_SET_SOCK(r0, 0xab03, 0xffffffffffffffff) [ 2061.816482] block nbd0: Receive control failed (result -32) [ 2061.819202] block nbd0: Device being setup by another task [ 2061.834088] block nbd0: shutting down sockets [ 2061.838106] block nbd5: Receive control failed (result -32) [ 2061.839104] block nbd5: Receive control failed (result -32) [ 2061.846767] block nbd5: shutting down sockets [ 2061.893650] block nbd1: Receive control failed (result -32) [ 2061.900191] block nbd1: shutting down sockets [ 2061.956095] block nbd2: shutting down sockets [ 2061.965316] block nbd1: Receive control failed (result -32) [ 2061.971856] block nbd1: shutting down sockets [ 2061.982822] block nbd2: shutting down sockets 22:54:44 executing program 1: r0 = syz_open_dev$ndb(&(0x7f0000000000)='/dev/nbd#\x00', 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x13e) r2 = openat$sequencer(0xffffffffffffff9c, &(0x7f0000000140)='/dev/sequencer\x00', 0x2, 0x0) ioctl$SNDCTL_SEQ_PANIC(r2, 0x5111) ioctl$SNDCTL_SEQ_TESTMIDI(r2, 0x40045108, &(0x7f0000000080)=0x7) ioctl$NBD_SET_SOCK(r0, 0xab03, 0xffffffffffffffff) 22:54:44 executing program 2: r0 = syz_open_dev$ndb(&(0x7f0000000000)='/dev/nbd#\x00', 0x0, 0x0) ioctl$NBD_SET_BLKSIZE(r0, 0xab01, 0x100) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x13e) r2 = syz_open_dev$ndb(&(0x7f0000000140)='/dev/nbd#\x00', 0x0, 0x0) ioctl$NBD_CLEAR_SOCK(r2, 0xab04) ioctl$NBD_SET_SOCK(r0, 0xab03, 0xffffffffffffffff) ioctl$SNAPSHOT_S2RAM(0xffffffffffffffff, 0x330b) 22:54:44 executing program 4: r0 = openat$snapshot(0xffffffffffffff9c, &(0x7f0000000040)='/dev/snapshot\x00', 0x40181, 0x0) ioctl$SNAPSHOT_AVAIL_SWAP_SIZE(r0, 0x80083313, &(0x7f0000000080)) 22:54:44 executing program 3: openat$snapshot(0xffffffffffffff9c, &(0x7f0000000000)='/dev/snapshot\x00', 0x0, 0x0) ioctl$SNDCTL_TMR_METRONOME(0xffffffffffffffff, 0x40045407) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) r1 = openat$sequencer(0xffffffffffffff9c, &(0x7f0000000140)='/dev/sequencer\x00', 0x40102, 0x0) r2 = syz_genetlink_get_family_id$nbd(&(0x7f00000000c0)='nbd\x00') socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000100)={0xffffffffffffffff}) r4 = openat$dlm_control(0xffffffffffffff9c, &(0x7f0000000000)='/dev/dlm-control\x00', 0x0, 0x0) ioctl$SNDRV_PCM_IOCTL_XRUN(r4, 0x4148, 0x0) r5 = openat$dlm_control(0xffffffffffffff9c, &(0x7f0000000180)='/dev/dlm-control\x00', 0x100000, 0x0) r6 = openat$dlm_control(0xffffffffffffff9c, &(0x7f0000000000)='/dev/dlm-control\x00', 0x0, 0x0) ioctl$SNDRV_PCM_IOCTL_XRUN(r6, 0x4148, 0x0) r7 = openat$dlm_control(0xffffffffffffff9c, &(0x7f0000000000)='/dev/dlm-control\x00', 0x0, 0x0) ioctl$SNDRV_PCM_IOCTL_XRUN(r7, 0x4148, 0x0) r8 = openat$dlm_control(0xffffffffffffff9c, &(0x7f0000000000)='/dev/dlm-control\x00', 0x0, 0x0) ioctl$SNDRV_PCM_IOCTL_XRUN(r8, 0x4148, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f00000001c0)={0xffffffffffffffff}) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000200)={0xffffffffffffffff}) sendmsg$NBD_CMD_DISCONNECT(0xffffffffffffffff, &(0x7f0000000340)={&(0x7f0000000080)={0x10, 0x0, 0x0, 0x200}, 0xc, &(0x7f0000000300)={&(0x7f0000000380)=ANY=[@ANYBLOB="8c000000", @ANYRES16=r2, @ANYBLOB="010028bd7000fddbdf250200000008000100000000000c00060003000000000000004c00078008000100", @ANYRES32=r3, @ANYBLOB="07000000c8e9530fc5896b2abefe65d603f0ef8561f4b4b3e72f9bec", @ANYRES32=r4, @ANYBLOB="08000100", @ANYRES32=r5, @ANYBLOB="08000100", @ANYRES32=r6, @ANYBLOB="08000100", @ANYRES32=r7, @ANYBLOB="08000100", @ANYRES32=r8, @ANYBLOB="08000100", @ANYRES32=r9, @ANYBLOB="08000100", @ANYRES32=r10, @ANYBLOB="08000100", @ANYRES32=r0, @ANYBLOB="0c00060001000000000000000c0004000100000000000000"], 0x8c}, 0x1, 0x0, 0x0, 0x4c000}, 0x4000004) ioctl$SNDCTL_SEQ_PANIC(r1, 0x5111) ioctl$SNDCTL_SEQ_RESET(r1, 0x5100) [ 2062.106585] block nbd2: shutting down sockets [ 2062.130306] block nbd2: shutting down sockets [ 2062.143486] block nbd2: Could not allocate knbd recv work queue. 22:54:44 executing program 2: r0 = syz_open_dev$ndb(&(0x7f0000000000)='/dev/nbd#\x00', 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x13e) r2 = openat$mixer(0xffffffffffffff9c, &(0x7f0000000080)='/dev/mixer\x00', 0x440000, 0x0) r3 = syz_mount_image$hpfs(&(0x7f00000000c0)='hpfs\x00', &(0x7f0000000100)='./file0\x00', 0xfffffffffffffff9, 0x4, &(0x7f0000000440)=[{&(0x7f0000000180)="fa71306f709794e63d55386907cfbef1e1e85142f5dc88198eba51b0fbf4773610c8577accca819c84bcbb8d646dbab3eefe7f4e348e5992bc7bceb3f73613992438121253d583bc145a7894e3902ef8d08912ed35a219614557426e5bc5a80e8ec832e86684ed2472c0fdaa4c5c1c992e3656b6f0c01094c6885082e57127647ef579fc49dd08a7e4d5e02d8347e5dec27f97405664180a0c418ce49acd56dcccacf19a5294778546fecf0b6dd6afdf0fd022dc5f5ff5c86b3a65a93df041486caaf40d617dac9cce6807", 0xcb, 0xfffffffffffffffb}, {&(0x7f0000000280)="1b2806798f63fb29fb6fa50aee82510a2dd411c0049c430604a0141a51f8390015ff79c0941a4c594cac4b882c783386dc0190511e0fb720d530bddd27a578be5cb3a76648276decc4e7a0895dc3493802baa07567", 0x55, 0x8}, {&(0x7f0000000300)="1f644da338e4b6abea94452a243e693d644832460840b59499a2b90f24ab54ff52e59aee57fab0e964d52771b7e5887cb6e8c9b79a186c5cae49941e0110a30854a42a7c520a73b553138fb4137dfad59fde057bf81d7d16520e43ca13e49034b043fd8eb1bfc01681288cb616fa855fcf43090a789ea9e9d7fa2bfd9c5bedcb9bd8663c078dd09eb5669390e19770f3b34788babf616c60", 0x98, 0x3b}, {&(0x7f00000003c0)="d33f43844f39a5fd79e9a493ce907c59acc3c23f6b4119a694bb104b5cfcd879aa2200902a37e7e2b09295bf629f62bec90d563dad696433b05f48663681671c6705a4ba47ca58e2e465c6221883f377aa2f020b4d8a321556d96820d866bf3d4ece4d4bdc077133f264f7585464fe47c7fd12", 0x73, 0x1}], 0x2, &(0x7f00000004c0)={[{'.%)'}, {'+,+'}, {'/dev/nbd#\x00'}, {'%'}, {'.%\\'}, {'/dev/nbd#\x00'}, {'/dev/nbd#\x00'}, {'/dev/nbd#\x00'}], [{@fsuuid={'fsuuid', 0x3d, {[0x66, 0x31, 0x64, 0x36, 0x64, 0x39, 0x38, 0x37], 0x2d, [0x31, 0x0, 0x36, 0x37], 0x2d, [0x61, 0x63, 0x66, 0x35], 0x2d, [0x63, 0x32, 0x61, 0x37], 0x2d, [0x37, 0x39, 0x32, 0x32, 0x61, 0xc, 0x63, 0x63]}}}, {@fowner_lt={'fowner<', 0xee00}}, {@hash='hash'}, {@audit='audit'}, {@mask={'mask', 0x3d, '^MAY_WRITE'}}, {@rootcontext={'rootcontext', 0x3d, 'staff_u'}}, {@fowner_lt={'fowner<', 0xffffffffffffffff}}, {@obj_type={'obj_type', 0x3d, '/dev/nbd#\x00'}}, {@subj_role={'subj_role', 0x3d, '/},\xff'}}, {@smackfstransmute={'smackfstransmute', 0x3d, '/dev/nbd#\x00'}}]}) ioctl$BTRFS_IOC_SCRUB_PROGRESS(0xffffffffffffffff, 0xc400941d, &(0x7f0000000600)={0x0, 0xff, 0x4}) ioctl$BTRFS_IOC_RESIZE(r2, 0x50009403, &(0x7f0000000a00)={{r3}, {@val={r4}, @max='max'}}) r5 = syz_open_dev$ndb(&(0x7f0000000140)='/dev/nbd#\x00', 0x0, 0x0) ioctl$NBD_CLEAR_SOCK(r5, 0xab04) ioctl$NBD_SET_SOCK(r0, 0xab03, 0xffffffffffffffff) 22:54:44 executing program 4: r0 = openat$sequencer2(0xffffffffffffff9c, &(0x7f00000000c0)='/dev/sequencer2\x00', 0x10001, 0x0) ioctl$SNDCTL_SEQ_PANIC(r0, 0x5111) r1 = openat$dlm_control(0xffffffffffffff9c, &(0x7f0000000000)='/dev/dlm-control\x00', 0x100, 0x0) ioctl$SOUND_MIXER_WRITE_RECSRC(r1, 0xc0044dff, &(0x7f0000000080)=0x2) r2 = openat$snapshot(0xffffffffffffff9c, &(0x7f0000000040)='/dev/snapshot\x00', 0x10b800, 0x0) ioctl$SNAPSHOT_PREF_IMAGE_SIZE(r2, 0x3312, 0x200) 22:54:44 executing program 3: openat$snapshot(0xffffffffffffff9c, &(0x7f0000000000)='/dev/snapshot\x00', 0x0, 0x0) ioctl$SNDCTL_TMR_METRONOME(0xffffffffffffffff, 0x40045407) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)) r0 = syz_genetlink_get_family_id$netlbl_unlabel(&(0x7f0000000540)='NLBL_UNLBL\x00') sendmsg$NLBL_UNLABEL_C_STATICLISTDEF(0xffffffffffffffff, &(0x7f00000006c0)={&(0x7f0000000500)={0x10, 0x0, 0x0, 0x2}, 0xc, &(0x7f0000000680)={&(0x7f0000000580)={0xdc, r0, 0x400, 0x70bd2a, 0x25dfdbfe, {}, [@NLBL_UNLABEL_A_SECCTX={0x27, 0x7, 'system_u:object_r:dhcpc_state_t:s0\x00'}, @NLBL_UNLABEL_A_SECCTX={0x2f, 0x7, 'system_u:object_r:setrans_initrc_exec_t:s0\x00'}, @NLBL_UNLABEL_A_ACPTFLG={0x5, 0x1, 0x1}, @NLBL_UNLABEL_A_IPV4MASK={0x8, 0x5, @multicast2}, @NLBL_UNLABEL_A_IPV6MASK={0x14, 0x3, @loopback}, @NLBL_UNLABEL_A_IPV4ADDR={0x8, 0x4, @rand_addr=0x64010100}, @NLBL_UNLABEL_A_IPV6ADDR={0x14, 0x2, @rand_addr=' \x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x01'}, @NLBL_UNLABEL_A_IPV4ADDR={0x8, 0x4, @loopback}, @NLBL_UNLABEL_A_IFACE={0x14, 0x6, 'wg2\x00'}, @NLBL_UNLABEL_A_IFACE={0x14, 0x6, 'veth1\x00'}]}, 0xdc}, 0x1, 0x0, 0x0, 0x48854}, 0x80c0) r1 = openat$sequencer(0xffffffffffffff9c, &(0x7f00000000c0)='/dev/sequencer\x00', 0x0, 0x0) ioctl$SNDCTL_SEQ_PANIC(r1, 0x5111) r2 = openat$rdma_cm(0xffffffffffffff9c, &(0x7f0000000080)='/dev/infiniband/rdma_cm\x00', 0x2, 0x0) ioctl$BTRFS_IOC_SCRUB_PROGRESS(r2, 0xc400941d, &(0x7f0000000100)={0x0, 0x5, 0x9}) ioctl$SNDCTL_SEQ_RESET(r1, 0x5100) [ 2062.272281] hpfs: bad mount options. [ 2062.321178] block nbd2: shutting down sockets [ 2062.352593] block nbd2: shutting down sockets [ 2062.367483] hpfs: bad mount options. [ 2062.778852] block nbd5: Receive control failed (result -32) [ 2062.778924] block nbd5: Receive control failed (result -32) [ 2062.788127] block nbd5: shutting down sockets [ 2062.797856] block nbd0: Receive control failed (result -32) [ 2062.799362] block nbd0: Device being setup by another task [ 2062.818217] block nbd0: shutting down sockets 22:54:45 executing program 0: r0 = syz_open_dev$ndb(&(0x7f0000000000)='/dev/nbd#\x00', 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x210200) ioctl$NBD_CLEAR_SOCK(r2, 0xab04) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x13e) ioctl$NBD_SET_SOCK(r0, 0xab03, 0xffffffffffffffff) 22:54:45 executing program 4: openat$snapshot(0xffffffffffffff9c, &(0x7f0000000040)='/dev/snapshot\x00', 0x40181, 0x0) write$FUSE_INTERRUPT(0xffffffffffffffff, &(0x7f0000000000)={0x10}, 0x10) r0 = openat$dlm_control(0xffffffffffffff9c, &(0x7f0000000000)='/dev/dlm-control\x00', 0x0, 0x0) r1 = openat$dlm_control(0xffffffffffffff9c, &(0x7f0000000000)='/dev/dlm-control\x00', 0x0, 0x0) ioctl$SNDRV_PCM_IOCTL_XRUN(r1, 0x4148, 0x0) ioctl$SNAPSHOT_GET_IMAGE_SIZE(r1, 0x8008330e, &(0x7f0000002240)) ioctl$SNDRV_PCM_IOCTL_XRUN(r0, 0x4148, 0x0) r2 = syz_open_dev$sndpcmc(&(0x7f0000002140)='/dev/snd/pcmC#D#c\x00', 0x4, 0x101100) ioctl$SNDRV_PCM_IOCTL_STATUS_EXT32(r2, 0xc06c4124, &(0x7f0000002180)={0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x4}) read$FUSE(r0, &(0x7f0000000080)={0x2020}, 0x2020) r3 = openat$dlm_control(0xffffffffffffff9c, &(0x7f00000022c0)='/dev/dlm-control\x00', 0x1a382, 0x0) ioctl$SNDRV_PCM_IOCTL_XRUN(r3, 0x4148, 0x0) ioctl$SNAPSHOT_AVAIL_SWAP_SIZE(r3, 0x80083313, &(0x7f0000002200)) r4 = openat$sequencer(0xffffffffffffff9c, &(0x7f0000000140)='/dev/sequencer\x00', 0x2, 0x0) ioctl$SNDCTL_SEQ_PANIC(r4, 0x5111) ioctl$SNDCTL_SEQ_THRESHOLD(r4, 0x4004510d, &(0x7f0000002100)=0x4) ioctl$SNAPSHOT_GET_IMAGE_SIZE(r0, 0x8008330e, &(0x7f00000020c0)) 22:54:45 executing program 3: openat$snapshot(0xffffffffffffff9c, &(0x7f0000000000)='/dev/snapshot\x00', 0x0, 0x0) ioctl$SNDCTL_TMR_METRONOME(0xffffffffffffffff, 0x40045407) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) r1 = openat$sequencer(0xffffffffffffff9c, &(0x7f0000000140)='/dev/sequencer\x00', 0x102, 0x0) r2 = openat$dlm_control(0xffffffffffffff9c, &(0x7f0000000000)='/dev/dlm-control\x00', 0x0, 0x0) ioctl$SNDRV_PCM_IOCTL_XRUN(r2, 0x4148, 0x0) ioctl$SNDRV_PCM_IOCTL_UNLINK(r2, 0x4161, 0x0) ioctl$BTRFS_IOC_GET_DEV_STATS(r0, 0xc4089434, &(0x7f0000000180)={0x0, 0x2, 0x0, [0x8001, 0x9, 0x1fa7, 0x688f, 0x401], [0xa5, 0x1, 0x9, 0x4, 0x4, 0x4, 0x4, 0x9, 0x6b, 0xfffffffffffffffb, 0x5, 0x250bd87a, 0x7, 0xffffffffc88237d2, 0x100000001, 0x100000001, 0xffffffffffffff2c, 0x1, 0x9, 0xe8, 0x401, 0x5, 0x800, 0x10000, 0xffff, 0x9, 0x3, 0x4, 0x8, 0x3, 0xffffffffffffffc1, 0x1, 0x80000000, 0x69, 0x2, 0x0, 0xf8d, 0x2, 0xf3, 0x7, 0x80000001, 0x6071, 0x100000000, 0x5, 0xf3a7, 0x3ff, 0x1000, 0x0, 0x2, 0x6, 0x2ba, 0xffffffff7fffffff, 0x3, 0x8000, 0xc4, 0x5, 0x0, 0x2, 0xff, 0x8a, 0x2, 0x40, 0xecd9, 0x4, 0x4, 0x3, 0x8, 0x3, 0x4, 0xd7, 0x8000, 0xffffffff, 0x8, 0x4, 0x4, 0xee51, 0x7fff, 0x80000001, 0x400, 0x9, 0x3, 0x1, 0x400, 0x3, 0x401, 0x5, 0xfffffffffffffff8, 0x100000001, 0x39, 0x5, 0x10001, 0xe4f1, 0x2, 0x3, 0x1c00000000000000, 0x5, 0x4, 0x0, 0x1, 0x8, 0x4, 0x4, 0x9, 0xff, 0x40, 0x7, 0x2fe, 0x7, 0x3, 0x670, 0x8, 0x1, 0x1c1d, 0x1e00000000000000, 0x3, 0x0, 0x8, 0x100000001, 0xfffffffffa6d17c7, 0x2c8, 0x1]}) ioctl$BTRFS_IOC_GET_DEV_STATS(r2, 0xc4089434, &(0x7f00000005c0)={r3, 0x10000, 0x1, [0xe0b, 0x9, 0x9, 0x48, 0x6], [0x1, 0x2, 0xb88d, 0x9, 0x10001, 0x80, 0x40, 0x1, 0x9, 0x100000001, 0x8, 0x80000000, 0x2, 0x5, 0x478, 0x9000000000000000, 0x3, 0xfffffffffffffff8, 0x56a, 0x0, 0x80, 0x1, 0x98, 0xa28, 0xc9e0, 0x3, 0x2, 0x16d9, 0x1000, 0x1000, 0x6, 0xff, 0xda, 0x4, 0x100000001, 0x0, 0x470, 0x100000001, 0x8, 0x6, 0x2, 0x3f, 0xfffffffffffff0e9, 0x8000, 0x787, 0x7fffffff, 0x3, 0x3, 0x7b, 0xdb, 0x1, 0x7e5, 0x6, 0xe0000000000000, 0x1, 0xac4, 0x2, 0x3, 0xfffffffffffffffc, 0x4, 0x200, 0xd46e, 0x0, 0xa2, 0x9, 0x5, 0x4, 0x100000001, 0x44e3, 0x40, 0x2, 0x10001000, 0x20, 0x401, 0x400, 0x5, 0x4000000000, 0x5, 0x1, 0x4, 0x5, 0x7, 0x7, 0x9628, 0x100000000, 0xfffffffffffffff7, 0x1, 0x4, 0x3, 0x7, 0x4, 0x3, 0x2400000000000, 0xfffffffffffffff9, 0x6, 0xfffffffffffffff7, 0x8000, 0x1, 0xffffffff00000000, 0x1, 0x1ff, 0x1, 0x1, 0x260, 0x6, 0x5, 0x2, 0x15a, 0x6, 0x5, 0x19, 0x0, 0x7fffffff, 0x2cf4, 0x81, 0x5616b38a, 0xfffffffffffffffa, 0x1, 0x1a782a5, 0xffffffff, 0x5]}) ioctl$SNDCTL_SEQ_PANIC(r1, 0x5111) ioctl$SNDCTL_SEQ_RESET(r1, 0x5100) 22:54:45 executing program 2: r0 = syz_open_dev$ndb(&(0x7f0000000000)='/dev/nbd#\x00', 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) sendmsg$NLBL_MGMT_C_ADDDEF(0xffffffffffffffff, &(0x7f00000001c0)={&(0x7f0000000080)={0x10, 0x0, 0x0, 0x10000000}, 0xc, &(0x7f0000000180)={&(0x7f00000000c0)={0x68, 0x0, 0x300, 0x70bd29, 0x25dfdbff, {}, [@NLBL_MGMT_A_CV4DOI={0x8, 0x4, 0x2}, @NLBL_MGMT_A_DOMAIN={0x5, 0x1, '\x00'}, @NLBL_MGMT_A_DOMAIN={0xe, 0x1, '/dev/nbd#\x00'}, @NLBL_MGMT_A_IPV4MASK={0x8, 0x8, @broadcast}, @NLBL_MGMT_A_FAMILY={0x6, 0xb, 0x28}, @NLBL_MGMT_A_DOMAIN={0xe, 0x1, '/dev/nbd#\x00'}, @NLBL_MGMT_A_IPV6ADDR={0x14, 0x5, @local}]}, 0x68}}, 0x880) r2 = socket$nl_generic(0x10, 0x3, 0x10) sendmsg$ETHTOOL_MSG_LINKINFO_SET(r2, &(0x7f0000000300)={&(0x7f0000000200)={0x10, 0x0, 0x0, 0x100}, 0xc, &(0x7f00000002c0)={&(0x7f0000000240)={0x60, 0x0, 0x0, 0x70bd28, 0x25dfdbfb, {}, [@ETHTOOL_A_LINKINFO_HEADER={0x14, 0x1, 0x0, 0x1, [@ETHTOOL_A_HEADER_FLAGS={0x8}, @ETHTOOL_A_HEADER_FLAGS={0x8, 0x3, 0x1}]}, @ETHTOOL_A_LINKINFO_TP_MDIX_CTRL={0x5, 0x5, 0x8}, @ETHTOOL_A_LINKINFO_PORT={0x5, 0x2, 0x6}, @ETHTOOL_A_LINKINFO_PHYADDR={0x5, 0x3, 0x11}, @ETHTOOL_A_LINKINFO_HEADER={0x18, 0x1, 0x0, 0x1, [@ETHTOOL_A_HEADER_DEV_NAME={0x14, 0x2, 'bridge_slave_1\x00'}]}, @ETHTOOL_A_LINKINFO_TP_MDIX_CTRL={0x5, 0x5, 0xff}]}, 0x60}, 0x1, 0x0, 0x0, 0x40000}, 0x0) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x13e) r3 = syz_open_dev$ndb(&(0x7f0000000140)='/dev/nbd#\x00', 0x0, 0x0) ioctl$NBD_CLEAR_SOCK(r3, 0xab04) ioctl$NBD_SET_SOCK(r0, 0xab03, 0xffffffffffffffff) 22:54:45 executing program 5: r0 = syz_open_dev$ndb(&(0x7f0000000000)='/dev/nbd#\x00', 0x0, 0x0) r1 = openat$dlm_control(0xffffffffffffff9c, &(0x7f0000000000)='/dev/dlm-control\x00', 0x0, 0x0) ioctl$SNDRV_PCM_IOCTL_XRUN(r1, 0x4148, 0x0) openat$dlm_control(0xffffffffffffff9c, &(0x7f00000000c0)='/dev/dlm-control\x00', 0x8a000, 0x0) r2 = openat$dlm_control(0xffffffffffffff9c, &(0x7f0000000000)='/dev/dlm-control\x00', 0x0, 0x0) ioctl$SNDRV_PCM_IOCTL_XRUN(r2, 0x4148, 0x0) syz_open_dev$ndb(&(0x7f0000000100)='/dev/nbd#\x00', 0x0, 0xc0) openat$dlm_control(0xffffffffffffff9c, &(0x7f0000000180)='/dev/dlm-control\x00', 0x0, 0x0) ioctl$NBD_SET_SIZE(r1, 0xab02, 0x200000000003) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r0, 0xab00, r4) ioctl$NBD_SET_SOCK(r0, 0xab00, r3) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x13e) ioctl$NBD_CLEAR_SOCK(0xffffffffffffffff, 0xab04) ioctl$NBD_SET_SOCK(r0, 0xab03, 0xffffffffffffffff) [ 2062.915314] block nbd2: shutting down sockets [ 2062.926431] block nbd1: Receive control failed (result -32) [ 2062.932812] block nbd1: shutting down sockets [ 2062.948525] block nbd2: shutting down sockets 22:54:45 executing program 1: r0 = syz_open_dev$ndb(&(0x7f0000000000)='/dev/nbd#\x00', 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x13e) ioctl$NBD_SET_SOCK(r0, 0xab03, 0xffffffffffffffff) 22:54:45 executing program 2: r0 = syz_open_dev$ndb(&(0x7f0000000000)='/dev/nbd#\x00', 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x20013e) r2 = syz_open_dev$ndb(&(0x7f0000000140)='/dev/nbd#\x00', 0x0, 0x0) ioctl$NBD_CLEAR_SOCK(r2, 0xab04) ioctl$NBD_SET_SOCK(r0, 0xab03, 0xffffffffffffffff) 22:54:45 executing program 3: openat$snapshot(0xffffffffffffff9c, &(0x7f0000000000)='/dev/snapshot\x00', 0x0, 0x0) ioctl$SNDCTL_TMR_METRONOME(0xffffffffffffffff, 0x40045407) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)) r0 = openat$sequencer(0xffffffffffffff9c, &(0x7f0000000140)='/dev/sequencer\x00', 0x2, 0x0) ioctl$SNDCTL_SEQ_PANIC(r0, 0x5111) ioctl$SNDCTL_SEQ_RESET(r0, 0x5100) write$FUSE_NOTIFY_RETRIEVE(0xffffffffffffffff, &(0x7f0000000080)={0x30, 0x5, 0x0, {0x0, 0x5, 0x1, 0x6}}, 0x30) [ 2062.982354] dlm: non-version read from control device 8224 22:54:45 executing program 4: openat$snapshot(0xffffffffffffff9c, &(0x7f0000000040)='/dev/snapshot\x00', 0x40181, 0x0) r0 = openat$dlm_control(0xffffffffffffff9c, &(0x7f0000000000)='/dev/dlm-control\x00', 0x0, 0x0) ioctl$SNAPSHOT_ALLOC_SWAP_PAGE(r0, 0x80083314, &(0x7f0000000080)) syz_init_net_socket$nfc_llcp(0x27, 0x1, 0x1) [ 2063.100830] block nbd2: shutting down sockets [ 2063.106157] dlm: non-version read from control device 8224 [ 2063.133779] block nbd2: shutting down sockets 22:54:45 executing program 3: openat$snapshot(0xffffffffffffff9c, &(0x7f0000000000)='/dev/snapshot\x00', 0x0, 0x0) ioctl$SNDCTL_TMR_METRONOME(0xffffffffffffffff, 0x40045407) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) r1 = openat$sequencer(0xffffffffffffff9c, &(0x7f0000000140)='/dev/sequencer\x00', 0x2, 0x0) r2 = openat$dlm_control(0xffffffffffffff9c, &(0x7f0000000000)='/dev/dlm-control\x00', 0x0, 0x0) write$RDMA_USER_CM_CMD_INIT_QP_ATTR(r0, &(0x7f0000000180)={0xb, 0x10, 0xfa00, {&(0x7f0000000080), 0xffffffffffffffff, 0xfff}}, 0x18) ioctl$SNDRV_PCM_IOCTL_XRUN(r2, 0x4148, 0x0) ioctl$SNAPSHOT_S2RAM(r2, 0x330b) ioctl$SNDCTL_SEQ_RESET(r1, 0x5100) 22:54:45 executing program 2: r0 = syz_open_dev$ndb(&(0x7f0000000000)='/dev/nbd#\x00', 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x13e) r2 = syz_open_dev$ndb(&(0x7f0000000140)='/dev/nbd#\x00', 0x0, 0x323901) ioctl$NBD_CLEAR_SOCK(r2, 0xab04) clock_gettime(0x6, &(0x7f0000000080)) ioctl$NBD_SET_SOCK(r0, 0xab03, 0xffffffffffffffff) openat$tcp_congestion(0xffffffffffffff9c, &(0x7f00000000c0)='/proc/sys/net/ipv4/tcp_congestion_control\x00', 0x1, 0x0) 22:54:45 executing program 4: openat$snapshot(0xffffffffffffff9c, &(0x7f0000000040)='/dev/snapshot\x00', 0x40181, 0x0) r0 = openat$dlm_control(0xffffffffffffff9c, &(0x7f0000000000)='/dev/dlm-control\x00', 0x0, 0x0) ioctl$SNDRV_PCM_IOCTL_XRUN(r0, 0x4148, 0x0) ioctl$SNAPSHOT_S2RAM(r0, 0x330b) 22:54:46 executing program 0: r0 = syz_open_dev$ndb(&(0x7f0000000000)='/dev/nbd#\x00', 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) ioctl$SOUND_MIXER_WRITE_VOLUME(0xffffffffffffffff, 0xc0044d0b, &(0x7f00000001c0)=0x3) ioctl$SNDRV_PCM_IOCTL_INFO(0xffffffffffffffff, 0x81204101, &(0x7f0000000080)) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x142) ioctl$NBD_SET_SOCK(r0, 0xab03, 0xffffffffffffffff) 22:54:46 executing program 3: r0 = openat$snapshot(0xffffffffffffff9c, &(0x7f0000000000)='/dev/snapshot\x00', 0x0, 0x0) ioctl$BTRFS_IOC_GET_DEV_STATS(r0, 0xc4089434, &(0x7f0000000180)={0x0, 0x7, 0x0, [0x2, 0x3, 0xb4, 0x7, 0x80000001], [0x3, 0x7, 0x800, 0x17, 0xffffffffffff95e0, 0x0, 0x0, 0x8, 0x1f, 0x8c0, 0x3, 0x9, 0x8, 0x50000, 0xffffffffffffff80, 0x20, 0x7, 0x6, 0xb61, 0x4, 0x6, 0xfffffffffffff801, 0xfffffffffffffff9, 0x10000, 0x1ff, 0xa8, 0x8, 0x35, 0x31bc, 0x8, 0x1, 0x9, 0x7, 0xea9, 0x5, 0x80, 0x6, 0x9, 0x5, 0x80000000, 0x4, 0x6, 0x7, 0x3ff, 0x2, 0x3ff, 0x6, 0x10000, 0x100000000, 0x7fff, 0x8001, 0x3, 0x6, 0x5, 0x14a, 0x5, 0x8001, 0xd2, 0xe7e3, 0x9, 0x9, 0x7, 0x400, 0xc94, 0x3, 0xffff, 0x11d, 0x9, 0x7fff, 0x7c, 0x9, 0x7fff, 0xedf, 0x3ff, 0x3, 0x1, 0x1, 0x3, 0x101, 0x5, 0x3, 0x20, 0x6, 0x4, 0x9, 0x1000, 0x7f, 0x10000, 0x1d, 0x7, 0x7d, 0x96, 0x5, 0x5, 0x4, 0x9, 0x9, 0x2, 0x5, 0xda, 0x100000000, 0x7fffffff, 0x0, 0x100, 0x7, 0x10001, 0x1f, 0xb958, 0x11, 0x9, 0x2, 0x1, 0xe, 0x0, 0x18a, 0x6, 0x9, 0x3f, 0x80000001, 0x4, 0x4]}) ioctl$BTRFS_IOC_GET_DEV_STATS(r0, 0xc4089434, &(0x7f00000005c0)={0x0, 0x3, 0x0, [0x6, 0x3, 0x9, 0xffff, 0x40], [0x5, 0x3, 0x7, 0x30cb6c6b, 0x80000001, 0x100000001, 0x80000000, 0x5a7d, 0x0, 0x6, 0x7, 0x4, 0x8, 0x1, 0x3, 0xfffffffffffeffff, 0x8, 0x10000, 0x7d8, 0x0, 0x800, 0x5bfa1bd5, 0x400, 0x101, 0x3, 0x101, 0x1, 0x4, 0x9, 0x4, 0x10000000000, 0x0, 0x100000001, 0x6, 0x0, 0x3829, 0x0, 0x2, 0x0, 0xfffffffffffffffc, 0x6, 0x4, 0x2, 0x2, 0x3, 0xff, 0x4, 0x2, 0x3, 0xf2d, 0x1f, 0x7, 0x7, 0xd5a5, 0x0, 0x3, 0x3, 0x45ee, 0x5, 0xc000000000, 0xffffffffffffffff, 0x40000000, 0x80000001, 0x20, 0x1f, 0x3ff, 0x3f, 0x3, 0x5, 0x44066e2e, 0x4, 0x4, 0x200, 0x0, 0xce5, 0x5, 0x80000001, 0xff, 0x3ff, 0x3, 0x1000, 0x400, 0x1, 0x0, 0x101, 0xe5b, 0x0, 0x80000001, 0x0, 0x8, 0x1f63, 0x2, 0x8, 0x9, 0x3, 0x51, 0x80000001, 0x6, 0xffffffff, 0x1, 0x5, 0x2, 0x4, 0xaa7, 0x6, 0xfffffffffffffffd, 0x1ff, 0x1, 0x8, 0x20, 0x7, 0xd55, 0x40, 0x40, 0x3ff, 0x4, 0x8001, 0x81, 0x7fff, 0x0, 0x80000001]}) ioctl$BTRFS_IOC_BALANCE_V2(r0, 0xc4009420, &(0x7f0000000a00)={0x13, 0x1, {0x0, @usage=0x3, 0x0, 0x4, 0x1, 0x8, 0x0, 0x80000001, 0x402, @usage=0x33, 0x9, 0x7fff, [0x3ff, 0x8001, 0x5, 0x0, 0x3]}, {0x4, @usage=0x4, r1, 0x3, 0x7f, 0x9, 0x4, 0x28, 0x8, @usage=0x1000, 0x1, 0x800e, [0x8, 0x8, 0x79, 0x2, 0x81, 0x59029901]}, {0x3, @usage=0xffff, r2, 0x5, 0x4, 0xfffffffffffffff8, 0x6d, 0x540, 0x4, @usage=0x6, 0x8000000, 0x800, [0x6, 0x1, 0x3, 0x1ff, 0x0, 0x4]}, {0x7, 0x9, 0x7}}) ioctl$SNDCTL_TMR_METRONOME(0xffffffffffffffff, 0x40045407) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)) r3 = openat$sequencer(0xffffffffffffff9c, &(0x7f0000000140)='/dev/sequencer\x00', 0x2, 0x0) ioctl$SNDCTL_SEQ_PANIC(r3, 0x5111) ioctl$SNDCTL_SEQ_RESET(r3, 0x5100) 22:54:46 executing program 4: r0 = openat$snapshot(0xffffffffffffff9c, &(0x7f0000000000)='/dev/snapshot\x00', 0x1, 0x0) ioctl$SNAPSHOT_UNFREEZE(r0, 0x3302) r1 = openat$sequencer(0xffffffffffffff9c, &(0x7f0000000140)='/dev/sequencer\x00', 0x2, 0x0) ioctl$SNDCTL_SEQ_PANIC(r1, 0x5111) ioctl$SNDCTL_TMR_SOURCE(r1, 0xc0045406) ioctl$SNDCTL_TMR_METRONOME(0xffffffffffffffff, 0x40045407) 22:54:46 executing program 5: r0 = syz_open_dev$ndb(&(0x7f0000000000)='/dev/nbd#\x00', 0x0, 0x0) r1 = openat$dlm_control(0xffffffffffffff9c, &(0x7f0000000000)='/dev/dlm-control\x00', 0x0, 0x0) ioctl$SNDRV_PCM_IOCTL_XRUN(r1, 0x4148, 0x0) openat$dlm_control(0xffffffffffffff9c, &(0x7f00000000c0)='/dev/dlm-control\x00', 0x8a000, 0x0) r2 = openat$dlm_control(0xffffffffffffff9c, &(0x7f0000000000)='/dev/dlm-control\x00', 0x0, 0x0) ioctl$SNDRV_PCM_IOCTL_XRUN(r2, 0x4148, 0x0) syz_open_dev$ndb(&(0x7f0000000100)='/dev/nbd#\x00', 0x0, 0xc0) openat$dlm_control(0xffffffffffffff9c, &(0x7f0000000180)='/dev/dlm-control\x00', 0x0, 0x0) ioctl$NBD_SET_SIZE(r1, 0xab02, 0x200000000003) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r0, 0xab00, r4) ioctl$NBD_SET_SOCK(r0, 0xab00, r3) r5 = syz_open_dev$ndb(&(0x7f0000000140)='/dev/nbd#\x00', 0x0, 0x0) ioctl$NBD_CLEAR_SOCK(r5, 0xab04) ioctl$NBD_SET_SOCK(r0, 0xab03, 0xffffffffffffffff) [ 2063.730954] block nbd5: Receive control failed (result -32) [ 2063.731003] block nbd5: Receive control failed (result -32) [ 2063.737431] block nbd5: shutting down sockets [ 2063.749654] block nbd0: Receive control failed (result -32) [ 2063.763296] block nbd0: Device being setup by another task [ 2063.769649] block nbd0: shutting down sockets [ 2063.882113] block nbd5: shutting down sockets [ 2063.887277] block nbd5: server does not support multiple connections per device. 22:54:46 executing program 3: openat$snapshot(0xffffffffffffff9c, &(0x7f0000000000)='/dev/snapshot\x00', 0x0, 0x0) ioctl$SNDCTL_TMR_METRONOME(0xffffffffffffffff, 0x40045407) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)) r0 = openat$sequencer(0xffffffffffffff9c, &(0x7f0000000140)='/dev/sequencer\x00', 0x2, 0x0) r1 = syz_open_dev$sndpcmc(&(0x7f0000000080)='/dev/snd/pcmC#D#c\x00', 0xc8, 0x400200) ioctl$SNDRV_PCM_IOCTL_RESUME(r1, 0x4147, 0x0) ioctl$SNDCTL_SEQ_PANIC(r0, 0x5111) r2 = openat$sequencer(0xffffffffffffff9c, &(0x7f0000000100)='/dev/sequencer\x00', 0x0, 0x0) ioctl$SNDCTL_TMR_SOURCE(r2, 0xc0045406) ioctl$SNDCTL_SEQ_RESET(r0, 0x5100) [ 2063.930863] block nbd1: Receive control failed (result -32) [ 2063.937086] block nbd1: shutting down sockets [ 2064.008416] block nbd1: Receive control failed (result -32) [ 2064.014733] block nbd1: shutting down sockets 22:54:46 executing program 1: r0 = syz_open_dev$ndb(&(0x7f0000000000)='/dev/nbd#\x00', 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = openat$dlm_control(0xffffffffffffff9c, &(0x7f0000000000)='/dev/dlm-control\x00', 0x0, 0x0) ioctl$SNDRV_PCM_IOCTL_XRUN(r2, 0x4148, 0x0) r3 = openat$dlm_control(0xffffffffffffff9c, &(0x7f0000000000)='/dev/dlm-control\x00', 0x0, 0x0) ioctl$SNDRV_PCM_IOCTL_XRUN(r3, 0x4148, 0x0) r4 = openat$dlm_control(0xffffffffffffff9c, &(0x7f0000000080)='/dev/dlm-control\x00', 0x0, 0x0) ioctl$NBD_SET_FLAGS(r4, 0xab0a, 0x1ff) ioctl$NBD_SET_SOCK(r0, 0xab03, 0xffffffffffffffff) getuid() ioctl$SNDCTL_SEQ_SYNC(0xffffffffffffffff, 0x5101) 22:54:46 executing program 5: r0 = syz_open_dev$ndb(&(0x7f0000000000)='/dev/nbd#\x00', 0x0, 0x0) r1 = openat$dlm_control(0xffffffffffffff9c, &(0x7f0000000000)='/dev/dlm-control\x00', 0x0, 0x0) ioctl$SNDRV_PCM_IOCTL_XRUN(r1, 0x4148, 0x0) openat$dlm_control(0xffffffffffffff9c, &(0x7f00000000c0)='/dev/dlm-control\x00', 0x8a000, 0x0) r2 = openat$dlm_control(0xffffffffffffff9c, &(0x7f0000000000)='/dev/dlm-control\x00', 0x0, 0x0) ioctl$SNDRV_PCM_IOCTL_XRUN(r2, 0x4148, 0x0) syz_open_dev$ndb(&(0x7f0000000100)='/dev/nbd#\x00', 0x0, 0xc0) openat$dlm_control(0xffffffffffffff9c, &(0x7f0000000180)='/dev/dlm-control\x00', 0x0, 0x0) ioctl$NBD_SET_SIZE(r1, 0xab02, 0x200000000003) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r0, 0xab00, r4) ioctl$NBD_SET_SOCK(r0, 0xab00, r3) r5 = syz_open_dev$ndb(&(0x7f0000000140)='/dev/nbd#\x00', 0x0, 0x0) ioctl$NBD_CLEAR_SOCK(r5, 0xab04) ioctl$NBD_SET_SOCK(r0, 0xab03, 0xffffffffffffffff) 22:54:46 executing program 4: openat$snapshot(0xffffffffffffff9c, &(0x7f0000000000)='/dev/snapshot\x00', 0x835fda4a0b72134a, 0x0) r0 = openat$dlm_control(0xffffffffffffff9c, &(0x7f0000000000)='/dev/dlm-control\x00', 0x0, 0x0) ioctl$SNDRV_PCM_IOCTL_XRUN(r0, 0x4148, 0x0) ioctl$SNAPSHOT_PREF_IMAGE_SIZE(r0, 0x3312, 0x8) 22:54:46 executing program 3: openat$snapshot(0xffffffffffffff9c, &(0x7f0000000000)='/dev/snapshot\x00', 0x0, 0x0) r0 = openat$sequencer(0xffffffffffffff9c, &(0x7f0000000140)='/dev/sequencer\x00', 0x2, 0x0) ioctl$SNDCTL_SEQ_PANIC(r0, 0x5111) ioctl$SNDCTL_TMR_METRONOME(r0, 0x40045407) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)) r1 = openat$sequencer(0xffffffffffffff9c, &(0x7f0000000100)='/dev/sequencer\x00', 0x10003, 0x0) ioctl$SNDCTL_SEQ_PANIC(r1, 0x5111) ioctl$SNDCTL_SEQ_NRSYNTHS(r0, 0x8004510a, &(0x7f00000000c0)) r2 = openat$dlm_control(0xffffffffffffff9c, &(0x7f0000000080)='/dev/dlm-control\x00', 0x940, 0x0) ioctl$SNDCTL_SEQ_PANIC(r2, 0x5111) ioctl$SNDCTL_SEQ_RESET(r1, 0x5100) [ 2064.068594] block nbd2: Receive control failed (result -32) [ 2064.088038] block nbd2: shutting down sockets [ 2064.108811] block nbd2: Could not allocate knbd recv work queue. [ 2064.130626] block nbd2: shutting down sockets 22:54:46 executing program 2: r0 = syz_open_dev$ndb(&(0x7f0000000000)='/dev/nbd#\x00', 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) r2 = openat$rdma_cm(0xffffffffffffff9c, &(0x7f0000000080)='/dev/infiniband/rdma_cm\x00', 0x2, 0x0) r3 = openat$cgroup_root(0xffffffffffffff9c, &(0x7f00000000c0)='./cgroup.cpu/syz0\x00', 0x200002, 0x0) openat$cgroup_subtree(r3, &(0x7f0000000100)='cgroup.subtree_control\x00', 0x2, 0x0) ioctl$BTRFS_IOC_BALANCE_PROGRESS(r2, 0x84009422, &(0x7f0000000180)={0x0, 0x0, {}, {0x0, @struct}}) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x13e) r4 = syz_open_dev$ndb(&(0x7f0000000140)='/dev/nbd#\x00', 0x0, 0x0) ioctl$NBD_CLEAR_SOCK(r4, 0xab04) ioctl$NBD_SET_SOCK(r0, 0xab03, 0xffffffffffffffff) 22:54:46 executing program 3: openat$snapshot(0xffffffffffffff9c, &(0x7f0000000000)='/dev/snapshot\x00', 0x0, 0x0) ioctl$SNDCTL_TMR_METRONOME(0xffffffffffffffff, 0x40045407) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)) r0 = openat$sequencer(0xffffffffffffff9c, &(0x7f0000000140)='/dev/sequencer\x00', 0x2, 0x0) ioctl$SNDCTL_SEQ_PANIC(r0, 0x5111) ioctl$SNDCTL_SEQ_RESET(r0, 0x5100) ioctl$SNDCTL_SYNTH_ID(r0, 0xc08c5114, &(0x7f0000000080)={"6c592f4c02f04532431a0070d1394b616a7504bf6c419ad1a0faf614de1a", 0x6, 0x1, 0x401, 0x0, 0x5, 0x7, 0xfff, 0x2, [0x7fff, 0x8, 0x2, 0x7fffffff, 0xffffffe0, 0x5, 0x100, 0x3ff, 0x1400, 0x8001, 0x4, 0xffffff00, 0x7, 0x7186, 0x800, 0x1, 0x8194, 0x3, 0x5]}) [ 2064.183903] block nbd5: shutting down sockets [ 2064.196085] block nbd5: server does not support multiple connections per device. 22:54:46 executing program 4: openat$snapshot(0xffffffffffffff9c, &(0x7f0000000040)='/dev/snapshot\x00', 0x40181, 0x0) syz_genetlink_get_family_id$ethtool(&(0x7f0000000000)='ethtool\x00') [ 2064.264555] block nbd2: shutting down sockets [ 2064.295933] block nbd2: shutting down sockets 22:54:47 executing program 0: r0 = syz_open_dev$ndb(&(0x7f0000000000)='/dev/nbd#\x00', 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x13e) r2 = socket$nl_generic(0x10, 0x3, 0x10) r3 = syz_genetlink_get_family_id$nbd(&(0x7f00000000c0)='nbd\x00') r4 = openat$dlm_control(0xffffffffffffff9c, &(0x7f0000000000)='/dev/dlm-control\x00', 0x0, 0x0) ioctl$SNDRV_PCM_IOCTL_XRUN(r4, 0x4148, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000100)={0xffffffffffffffff}) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000140)={0xffffffffffffffff}) r7 = openat$dlm_control(0xffffffffffffff9c, &(0x7f0000000000)='/dev/dlm-control\x00', 0x0, 0x0) ioctl$SNDRV_PCM_IOCTL_XRUN(r7, 0x4148, 0x0) sendmsg$NBD_CMD_DISCONNECT(r2, &(0x7f0000000280)={&(0x7f0000000080)={0x10, 0x0, 0x0, 0x800}, 0xc, &(0x7f0000000240)={&(0x7f0000000300)={0x98, r3, 0x10, 0x70bd26, 0x25dfdbfe, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x3}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x3}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x3}, @NBD_ATTR_TIMEOUT={0xc}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x100}, @NBD_ATTR_SOCKETS={0x24, 0x7, 0x0, 0x1, [{0x8, 0x1, r4}, {0x8, 0x1, r5}, {0x8, 0x1, r1}, {0x8, 0x1, r6}]}, @NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8, 0x1, r7}]}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x3ff}]}, 0x98}, 0x1, 0x0, 0x0, 0x40000}, 0x44081) ioctl$NBD_SET_SOCK(r0, 0xab03, 0xffffffffffffffff) r8 = openat$snapshot(0xffffffffffffff9c, &(0x7f00000002c0)='/dev/snapshot\x00', 0x40000, 0x0) ioctl$SNAPSHOT_UNFREEZE(r8, 0x3302) 22:54:47 executing program 5: r0 = syz_open_dev$ndb(&(0x7f0000000000)='/dev/nbd#\x00', 0x0, 0x0) r1 = openat$dlm_control(0xffffffffffffff9c, &(0x7f0000000000)='/dev/dlm-control\x00', 0x0, 0x0) ioctl$SNDRV_PCM_IOCTL_XRUN(r1, 0x4148, 0x0) openat$dlm_control(0xffffffffffffff9c, &(0x7f00000000c0)='/dev/dlm-control\x00', 0x8a000, 0x0) r2 = openat$dlm_control(0xffffffffffffff9c, &(0x7f0000000000)='/dev/dlm-control\x00', 0x0, 0x0) ioctl$SNDRV_PCM_IOCTL_XRUN(r2, 0x4148, 0x0) syz_open_dev$ndb(&(0x7f0000000100)='/dev/nbd#\x00', 0x0, 0xc0) openat$dlm_control(0xffffffffffffff9c, &(0x7f0000000180)='/dev/dlm-control\x00', 0x0, 0x0) ioctl$NBD_SET_SIZE(r1, 0xab02, 0x200000000003) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r0, 0xab00, r4) ioctl$NBD_SET_SOCK(r0, 0xab00, r3) r5 = syz_open_dev$ndb(&(0x7f0000000140)='/dev/nbd#\x00', 0x0, 0x0) ioctl$NBD_CLEAR_SOCK(r5, 0xab04) ioctl$NBD_SET_SOCK(r0, 0xab03, 0xffffffffffffffff) 22:54:47 executing program 2: r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x14900) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) r2 = syz_open_dev$ndb(&(0x7f0000000000)='/dev/nbd#\x00', 0x0, 0x210082) ioctl$NBD_SET_BLKSIZE(r2, 0xab01, 0x2) r3 = openat$dlm_control(0xffffffffffffff9c, &(0x7f0000000140)='/dev/dlm-control\x00', 0x40000, 0x0) ioctl$NBD_CLEAR_QUE(r3, 0xab05) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r4 = openat$dlm_control(0xffffffffffffff9c, &(0x7f0000000000)='/dev/dlm-control\x00', 0x0, 0x0) ioctl$SNDRV_PCM_IOCTL_XRUN(r4, 0x4148, 0x0) r5 = syz_open_dev$ndb(&(0x7f0000000100)='/dev/nbd#\x00', 0x0, 0x800) ioctl$NBD_SET_FLAGS(r5, 0xab0a, 0x100000000001) r6 = syz_open_dev$ndb(&(0x7f00000000c0)='/dev/nbd#\x00', 0x0, 0x0) ioctl$NBD_CLEAR_SOCK(r6, 0xab04) ioctl$NBD_SET_SOCK(r0, 0xab03, 0xffffffffffffffff) 22:54:47 executing program 3: openat$snapshot(0xffffffffffffff9c, &(0x7f0000000000)='/dev/snapshot\x00', 0xa0080, 0x0) ioctl$SNDCTL_TMR_METRONOME(0xffffffffffffffff, 0x40045407) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)) r0 = openat$sequencer(0xffffffffffffff9c, &(0x7f0000000140)='/dev/sequencer\x00', 0x2, 0x0) ioctl$SNDCTL_SEQ_PANIC(r0, 0x5111) ioctl$SNDCTL_SEQ_RESET(r0, 0x5100) 22:54:47 executing program 4: openat$snapshot(0xffffffffffffff9c, &(0x7f0000000000)='/dev/snapshot\x00', 0x36000, 0x0) r0 = openat$fb0(0xffffffffffffff9c, &(0x7f0000000380)='/dev/fb0\x00', 0x0, 0x0) ioctl$BTRFS_IOC_RESIZE(r0, 0x50009403, 0x0) ioctl$BTRFS_IOC_RESIZE(0xffffffffffffffff, 0x50009403, &(0x7f0000000040)={{r0}, {@void, @max='max'}}) connect$vsock_dgram(0xffffffffffffffff, &(0x7f0000000080)={0x28, 0x0, 0x2711, @my=0x1}, 0x10) [ 2064.678763] block nbd0: Receive control failed (result -32) [ 2064.681486] block nbd0: Device being setup by another task [ 2064.694036] block nbd0: shutting down sockets [ 2064.767069] block nbd5: shutting down sockets [ 2064.778926] block nbd5: server does not support multiple connections per device. 22:54:47 executing program 1: r0 = syz_open_dev$ndb(&(0x7f0000000000)='/dev/nbd#\x00', 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) write$FUSE_NOTIFY_INVAL_INODE(0xffffffffffffffff, &(0x7f0000000080)={0x28, 0x2, 0x0, {0x2, 0xfffffffffffffff9, 0x5}}, 0x28) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x13e) ioctl$NBD_SET_SOCK(r0, 0xab03, 0xffffffffffffffff) r2 = openat$cuse(0xffffffffffffff9c, &(0x7f00000000c0)='/dev/cuse\x00', 0x2, 0x0) write$FUSE_INTERRUPT(r2, &(0x7f0000000100)={0x10}, 0x10) 22:54:47 executing program 4: r0 = openat$snapshot(0xffffffffffffff9c, &(0x7f0000000000)='/dev/snapshot\x00', 0x111480, 0x0) ioctl$SNAPSHOT_GET_IMAGE_SIZE(r0, 0x8008330e, &(0x7f0000000080)) openat$snapshot(0xffffffffffffff9c, &(0x7f0000000040)='/dev/snapshot\x00', 0x40181, 0x0) 22:54:47 executing program 3: openat$snapshot(0xffffffffffffff9c, &(0x7f0000000000)='/dev/snapshot\x00', 0x0, 0x0) ioctl$SNDCTL_TMR_METRONOME(0xffffffffffffffff, 0x40045407) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)) r0 = openat$dlm_control(0xffffffffffffff9c, &(0x7f0000000000)='/dev/dlm-control\x00', 0x0, 0x0) ioctl$SNDRV_PCM_IOCTL_XRUN(r0, 0x4148, 0x0) ioctl$SNAPSHOT_PREF_IMAGE_SIZE(r0, 0x3312, 0xffffffff) r1 = openat$sequencer(0xffffffffffffff9c, &(0x7f0000000140)='/dev/sequencer\x00', 0x2, 0x0) ioctl$SNDCTL_SEQ_PANIC(r1, 0x5111) ioctl$SNDCTL_SEQ_RESET(r1, 0x5100) 22:54:47 executing program 5: r0 = syz_open_dev$ndb(&(0x7f0000000000)='/dev/nbd#\x00', 0x0, 0x0) r1 = openat$dlm_control(0xffffffffffffff9c, &(0x7f0000000000)='/dev/dlm-control\x00', 0x0, 0x0) ioctl$SNDRV_PCM_IOCTL_XRUN(r1, 0x4148, 0x0) openat$dlm_control(0xffffffffffffff9c, &(0x7f00000000c0)='/dev/dlm-control\x00', 0x8a000, 0x0) r2 = openat$dlm_control(0xffffffffffffff9c, &(0x7f0000000000)='/dev/dlm-control\x00', 0x0, 0x0) ioctl$SNDRV_PCM_IOCTL_XRUN(r2, 0x4148, 0x0) syz_open_dev$ndb(&(0x7f0000000100)='/dev/nbd#\x00', 0x0, 0xc0) openat$dlm_control(0xffffffffffffff9c, &(0x7f0000000180)='/dev/dlm-control\x00', 0x0, 0x0) ioctl$NBD_SET_SIZE(r1, 0xab02, 0x200000000003) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r0, 0xab00, r3) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x13e) r4 = syz_open_dev$ndb(&(0x7f0000000140)='/dev/nbd#\x00', 0x0, 0x0) ioctl$NBD_CLEAR_SOCK(r4, 0xab04) ioctl$NBD_SET_SOCK(r0, 0xab03, 0xffffffffffffffff) 22:54:47 executing program 2: r0 = syz_open_dev$ndb(&(0x7f0000000000)='/dev/nbd#\x00', 0x0, 0x2000) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x13e) r2 = syz_open_dev$ndb(&(0x7f0000000140)='/dev/nbd#\x00', 0x0, 0x0) ioctl$NBD_CLEAR_SOCK(r2, 0xab04) ioctl$NBD_SET_SOCK(r0, 0xab03, 0xffffffffffffffff) r3 = openat$dlm_control(0xffffffffffffff9c, &(0x7f0000000000)='/dev/dlm-control\x00', 0x0, 0x0) r4 = openat$dlm_control(0xffffffffffffff9c, &(0x7f0000000000)='/dev/dlm-control\x00', 0x0, 0x0) ioctl$SNDCTL_SYNTH_ID(r4, 0xc08c5114, &(0x7f0000000180)={"1450da4d27c8d6be4cd29f330f04ca1b70923a44e9f89dce1e43ed498639", 0x2, 0x0, 0x401, 0x0, 0x8000, 0xffffffc1, 0x11be, 0x6, [0x3, 0x8, 0x2, 0x40, 0x8, 0x10001, 0x9, 0x3, 0x9, 0x0, 0x7, 0x6, 0x2, 0x9, 0x7fff, 0x3, 0x5, 0x5, 0x2]}) syz_open_dev$sndpcmp(&(0x7f00000000c0)='/dev/snd/pcmC#D#p\x00', 0xe6, 0x200000) syz_open_dev$sndpcmp(&(0x7f0000000100)='/dev/snd/pcmC#D#p\x00', 0x3, 0x18001) openat$dlm_control(0xffffffffffffff9c, &(0x7f0000000280)='/dev/dlm-control\x00', 0x80800, 0x0) ioctl$SNDRV_PCM_IOCTL_XRUN(0xffffffffffffffff, 0x4148, 0x0) ioctl$SNDRV_PCM_IOCTL_XRUN(0xffffffffffffffff, 0x4148, 0x0) ioctl$NBD_SET_TIMEOUT(r4, 0xab09, 0x7) ioctl$SNDRV_PCM_IOCTL_XRUN(r3, 0x4148, 0x0) ioctl$NBD_DO_IT(r3, 0xab03) prctl$PR_SET_MM_MAP_SIZE(0x23, 0xf, &(0x7f0000000080)) [ 2064.973052] block nbd1: Receive control failed (result -32) [ 2064.974048] block nbd1: Device being setup by another task [ 2064.985648] block nbd1: shutting down sockets [ 2065.057027] block nbd5: shutting down sockets 22:54:47 executing program 4: openat$snapshot(0xffffffffffffff9c, &(0x7f0000000000)='/dev/snapshot\x00', 0x422541, 0x0) openat$snapshot(0xffffffffffffff9c, &(0x7f0000000040)='/dev/snapshot\x00', 0x101000, 0x0) r0 = openat$dlm_control(0xffffffffffffff9c, &(0x7f0000000000)='/dev/dlm-control\x00', 0x0, 0x0) ioctl$SNDRV_PCM_IOCTL_XRUN(r0, 0x4148, 0x0) ioctl$SNAPSHOT_AVAIL_SWAP_SIZE(r0, 0x80083313, &(0x7f0000000080)) 22:54:47 executing program 3: openat$snapshot(0xffffffffffffff9c, &(0x7f0000000000)='/dev/snapshot\x00', 0x0, 0x0) ioctl$SNDCTL_TMR_METRONOME(0xffffffffffffffff, 0x40045407) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)) r0 = openat$sequencer(0xffffffffffffff9c, &(0x7f0000000140)='/dev/sequencer\x00', 0x2, 0x0) setsockopt$nfc_llcp_NFC_LLCP_RW(0xffffffffffffffff, 0x118, 0x0, &(0x7f0000000080)=0x3f, 0x4) ioctl$SNDCTL_SEQ_PANIC(r0, 0x5111) ioctl$SNDCTL_SEQ_RESET(r0, 0x5100) [ 2065.078029] block nbd2: shutting down sockets [ 2065.138202] block nbd2: shutting down sockets 22:54:48 executing program 0: r0 = syz_open_dev$ndb(&(0x7f0000000000)='/dev/nbd#\x00', 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x13e) ioctl$NBD_SET_SOCK(r0, 0xab03, 0xffffffffffffffff) r2 = openat$sequencer(0xffffffffffffff9c, &(0x7f0000000080)='/dev/sequencer\x00', 0x500, 0x0) write$sequencer(r2, &(0x7f00000000c0)=[@generic={0x8a}, @l={0x92, 0xb, 0xc0, 0x1b, 0x7, 0x2}, @l={0x92, 0x2, 0xb0, 0x12, 0x80, 0x1f, 0x6}, @s={0x5, @generic=0x3f, 0xf, 0xa}, @n={0x0, 0x8, @SEQ_NOTEON=@note=0x72}, @v={0x93, 0x4, 0xa0, 0x14, @MIDI_NOTEON=@note=0x1c, 0x8, 0x2}, @raw={0xc, 0x0, "2cb0cd289984"}], 0x29) 22:54:48 executing program 5: r0 = syz_open_dev$ndb(&(0x7f0000000000)='/dev/nbd#\x00', 0x0, 0x0) r1 = openat$dlm_control(0xffffffffffffff9c, &(0x7f0000000000)='/dev/dlm-control\x00', 0x0, 0x0) ioctl$SNDRV_PCM_IOCTL_XRUN(r1, 0x4148, 0x0) openat$dlm_control(0xffffffffffffff9c, &(0x7f00000000c0)='/dev/dlm-control\x00', 0x8a000, 0x0) r2 = openat$dlm_control(0xffffffffffffff9c, &(0x7f0000000000)='/dev/dlm-control\x00', 0x0, 0x0) ioctl$SNDRV_PCM_IOCTL_XRUN(r2, 0x4148, 0x0) syz_open_dev$ndb(&(0x7f0000000100)='/dev/nbd#\x00', 0x0, 0xc0) openat$dlm_control(0xffffffffffffff9c, &(0x7f0000000180)='/dev/dlm-control\x00', 0x0, 0x0) ioctl$NBD_SET_SIZE(r1, 0xab02, 0x200000000003) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r0, 0xab00, r3) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x13e) r4 = syz_open_dev$ndb(&(0x7f0000000140)='/dev/nbd#\x00', 0x0, 0x0) ioctl$NBD_CLEAR_SOCK(r4, 0xab04) ioctl$NBD_SET_SOCK(r0, 0xab03, 0xffffffffffffffff) 22:54:48 executing program 2: r0 = syz_open_dev$ndb(&(0x7f0000000000)='/dev/nbd#\x00', 0x0, 0x0) ioctl$BTRFS_IOC_BALANCE_V2(r0, 0xc4009420, &(0x7f0000000180)={0x10, 0x4, {0x1, @usage=0x7, 0x0, 0x9, 0x7fff, 0x9, 0x9, 0x6, 0x11, @usage=0x3, 0x0, 0x4, [0x5, 0x3dbd, 0x3, 0x80000001, 0x8, 0x81]}, {0x5, @usage=0x1, 0x0, 0x57c, 0xfff, 0x4, 0x5, 0xffffffffffffffe0, 0x4, @struct={0x6}, 0x1, 0xf7, [0xffffffffffff16df, 0x4, 0x4, 0x8, 0x1, 0x60b5]}, {0x9, @struct={0x100, 0x1}, 0x0, 0x9, 0x1, 0x6, 0x3, 0x4, 0x4, @struct={0x0, 0x7}, 0x9, 0x10001, [0x6eb3cc7d, 0xfe8, 0xc949, 0x200, 0x967d, 0x70000000000000]}, {0x7f, 0xf464, 0x42}}) ioctl$BTRFS_IOC_SCRUB_PROGRESS(r0, 0xc400941d, &(0x7f0000000580)={r1, 0x4}) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r0, 0xab00, r2) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x13e) r3 = syz_open_dev$ndb(&(0x7f0000000140)='/dev/nbd#\x00', 0x0, 0x0) ioctl$NBD_CLEAR_SOCK(r3, 0xab04) ioctl$NBD_SET_SOCK(r0, 0xab03, 0xffffffffffffffff) 22:54:48 executing program 4: openat$snapshot(0xffffffffffffff9c, &(0x7f0000000040)='/dev/snapshot\x00', 0x40181, 0x0) openat$snapshot(0xffffffffffffff9c, &(0x7f0000000000)='/dev/snapshot\x00', 0x0, 0x0) 22:54:48 executing program 3: openat$snapshot(0xffffffffffffff9c, &(0x7f0000000000)='/dev/snapshot\x00', 0x0, 0x0) ioctl$SNDCTL_TMR_METRONOME(0xffffffffffffffff, 0x40045407) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)) r0 = openat$sequencer(0xffffffffffffff9c, &(0x7f0000000140)='/dev/sequencer\x00', 0x2, 0x0) r1 = openat$dlm_control(0xffffffffffffff9c, &(0x7f0000000080)='/dev/dlm-control\x00', 0x218102, 0x0) write$cgroup_devices(r1, &(0x7f00000000c0)={'b', ' *:* ', 'rw\x00'}, 0x9) ioctl$SNDCTL_SEQ_PANIC(r0, 0x5111) ioctl$SNDCTL_SEQ_RESET(r0, 0x5100) [ 2065.597936] block nbd0: Receive control failed (result -32) [ 2065.598955] block nbd0: Device being setup by another task [ 2065.617483] block nbd0: shutting down sockets [ 2065.680259] block nbd5: shutting down sockets [ 2065.691086] block nbd2: shutting down sockets [ 2065.719566] block nbd2: shutting down sockets 22:54:48 executing program 1: r0 = syz_open_dev$ndb(&(0x7f0000000000)='/dev/nbd#\x00', 0x0, 0x40000) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x13e) ioctl$NBD_SET_SOCK(r0, 0xab03, 0xffffffffffffffff) 22:54:48 executing program 2: r0 = syz_open_dev$ndb(&(0x7f0000000000)='/dev/nbd#\x00', 0x0, 0x0) ioctl$NBD_DO_IT(r0, 0xab03) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x13e) r2 = syz_open_dev$ndb(&(0x7f0000000140)='/dev/nbd#\x00', 0x0, 0x0) ioctl$NBD_CLEAR_SOCK(r2, 0xab04) ioctl$NBD_SET_SOCK(r0, 0xab03, 0xffffffffffffffff) 22:54:48 executing program 5: r0 = syz_open_dev$ndb(&(0x7f0000000000)='/dev/nbd#\x00', 0x0, 0x0) r1 = openat$dlm_control(0xffffffffffffff9c, &(0x7f0000000000)='/dev/dlm-control\x00', 0x0, 0x0) ioctl$SNDRV_PCM_IOCTL_XRUN(r1, 0x4148, 0x0) openat$dlm_control(0xffffffffffffff9c, &(0x7f00000000c0)='/dev/dlm-control\x00', 0x8a000, 0x0) r2 = openat$dlm_control(0xffffffffffffff9c, &(0x7f0000000000)='/dev/dlm-control\x00', 0x0, 0x0) ioctl$SNDRV_PCM_IOCTL_XRUN(r2, 0x4148, 0x0) syz_open_dev$ndb(&(0x7f0000000100)='/dev/nbd#\x00', 0x0, 0xc0) openat$dlm_control(0xffffffffffffff9c, &(0x7f0000000180)='/dev/dlm-control\x00', 0x0, 0x0) ioctl$NBD_SET_SIZE(r1, 0xab02, 0x200000000003) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r0, 0xab00, r3) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x13e) r4 = syz_open_dev$ndb(&(0x7f0000000140)='/dev/nbd#\x00', 0x0, 0x0) ioctl$NBD_CLEAR_SOCK(r4, 0xab04) ioctl$NBD_SET_SOCK(r0, 0xab03, 0xffffffffffffffff) 22:54:48 executing program 4: ioctl$BTRFS_IOC_GET_DEV_STATS(0xffffffffffffffff, 0xc4089434, &(0x7f00000004c0)={0x0, 0x1, 0x1, [0x6, 0x4, 0x10000000, 0x21, 0x7], [0x7fff, 0x7, 0x0, 0x8db, 0x2, 0x2, 0x3, 0x100000000, 0x3, 0x80, 0x5, 0x5, 0x10000, 0x10000, 0x4, 0x8a9, 0x5af, 0x1000, 0x20, 0x80, 0x800, 0xfffffffffffffffe, 0x0, 0x3, 0x1, 0x6, 0x5, 0x9, 0x4, 0x5, 0x2, 0x1, 0x80, 0x100000001, 0x0, 0x6, 0x800, 0xea1, 0x7ff, 0x0, 0x1, 0x2, 0x3d68, 0x6, 0x40b8, 0xfffffffffffff2b5, 0x100, 0x1, 0x1ff, 0x6, 0x6, 0x6, 0x2, 0x73, 0x7, 0x60ac000000, 0xb3, 0x1, 0x100, 0x3, 0x40, 0xcbe, 0x101, 0x3, 0x0, 0x2, 0x4, 0xaa2, 0xffffffffffff86fc, 0x8, 0x4, 0x7, 0x1c46d98d, 0xe0, 0x3f, 0x8, 0x6, 0x2, 0x8, 0x2596, 0x6, 0x3, 0xffff, 0xa19c, 0x3, 0x78, 0x9e, 0x9, 0xffffffff, 0x5f, 0x4, 0xea8f, 0x8, 0x100000000, 0x9, 0x9, 0x3ff, 0x5, 0xf0e, 0xffffffffffffff81, 0x80, 0x9, 0x8, 0x0, 0x7fffffff, 0x4, 0x6, 0x3, 0x4, 0x1, 0x100, 0x5, 0xcf76, 0x465a, 0xff, 0x10001, 0x8, 0x6, 0x7, 0x10001, 0x3]}) openat$snapshot(0xffffffffffffff9c, &(0x7f0000000040)='/dev/snapshot\x00', 0x601c1, 0x0) 22:54:48 executing program 3: openat$snapshot(0xffffffffffffff9c, &(0x7f0000000000)='/dev/snapshot\x00', 0x0, 0x0) ioctl$SNDCTL_TMR_METRONOME(0xffffffffffffffff, 0x40045407) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)) r0 = openat$sequencer(0xffffffffffffff9c, &(0x7f0000000140)='/dev/sequencer\x00', 0x2, 0x0) ioctl$SNDCTL_SEQ_PANIC(r0, 0x5111) ioctl$SNDCTL_SEQ_RESET(r0, 0x5100) syz_open_dev$ndb(&(0x7f0000000200)='/dev/nbd#\x00', 0x0, 0x240002) r1 = socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NLBL_MGMT_C_ADDDEF(r1, &(0x7f00000001c0)={&(0x7f0000000080)={0x10, 0x0, 0x0, 0x100}, 0xc, &(0x7f0000000180)={&(0x7f00000000c0)={0x58, 0x0, 0x820, 0x70bd2b, 0x25dfdbfe, {}, [@NLBL_MGMT_A_IPV6MASK={0x14, 0x6, @empty}, @NLBL_MGMT_A_IPV4ADDR={0x8, 0x7, @multicast2}, @NLBL_MGMT_A_IPV4ADDR={0x8, 0x7, @broadcast}, @NLBL_MGMT_A_IPV4MASK={0x8, 0x8, @dev={0xac, 0x14, 0x14, 0x39}}, @NLBL_MGMT_A_IPV4ADDR={0x8, 0x7, @remote}, @NLBL_MGMT_A_PROTOCOL={0x8, 0x2, 0x3}, @NLBL_MGMT_A_PROTOCOL={0x8, 0x2, 0x3}]}, 0x58}, 0x1, 0x0, 0x0, 0x24008880}, 0x0) ioctl$SNDCTL_FM_LOAD_INSTR(r0, 0x40285107) [ 2065.897663] block nbd1: Receive control failed (result -32) [ 2065.898761] block nbd1: Device being setup by another task [ 2065.913286] block nbd1: shutting down sockets [ 2065.986039] block nbd2: shutting down sockets 22:54:48 executing program 4: openat$snapshot(0xffffffffffffff9c, &(0x7f0000000040)='/dev/snapshot\x00', 0x40181, 0x0) r0 = openat$dlm_control(0xffffffffffffff9c, &(0x7f0000000000)='/dev/dlm-control\x00', 0x0, 0x0) ioctl$SNDRV_PCM_IOCTL_XRUN(r0, 0x4148, 0x0) ioctl$SNAPSHOT_S2RAM(r0, 0x330b) r1 = openat$snapshot(0xffffffffffffff9c, &(0x7f00000001c0)='/dev/snapshot\x00', 0x690082, 0x0) openat$cgroup_subtree(r0, &(0x7f0000000140)='cgroup.subtree_control\x00', 0x2, 0x0) ioctl$SNAPSHOT_GET_IMAGE_SIZE(r1, 0x8008330e, &(0x7f0000000080)) r2 = openat$dlm_control(0xffffffffffffff9c, &(0x7f00000000c0)='/dev/dlm-control\x00', 0x201, 0x0) ioctl$SNAPSHOT_ALLOC_SWAP_PAGE(r2, 0x80083314, &(0x7f0000000100)) openat$cgroup_devices(r2, &(0x7f0000000180)='devices.allow\x00', 0x2, 0x0) [ 2066.023985] block nbd5: shutting down sockets 22:54:48 executing program 3: openat$snapshot(0xffffffffffffff9c, &(0x7f0000000000)='/dev/snapshot\x00', 0x0, 0x0) ioctl$SNDCTL_TMR_METRONOME(0xffffffffffffffff, 0x40045407) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)) r0 = openat$sequencer(0xffffffffffffff9c, &(0x7f0000000140)='/dev/sequencer\x00', 0x2, 0x0) ioctl$SNDCTL_SEQ_TESTMIDI(r0, 0x40045108, &(0x7f0000000080)=0x6) ioctl$SNDCTL_SEQ_PANIC(r0, 0x5111) ioctl$SNDCTL_SEQ_RESET(r0, 0x5100) [ 2066.055474] block nbd2: shutting down sockets 22:54:49 executing program 0: r0 = syz_open_dev$ndb(&(0x7f0000000000)='/dev/nbd#\x00', 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) ioctl$NBD_SET_SIZE_BLOCKS(r0, 0xab07, 0x10001) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x13e) ioctl$NBD_SET_SOCK(r0, 0xab03, 0xffffffffffffffff) 22:54:49 executing program 2: r0 = syz_open_dev$ndb(&(0x7f0000000000)='/dev/nbd#\x00', 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x13e) r2 = syz_open_dev$ndb(&(0x7f0000000140)='/dev/nbd#\x00', 0x0, 0x0) ioctl$NBD_CLEAR_SOCK(r2, 0xab04) ioctl$NBD_SET_SIZE(r2, 0xab02, 0x1cbe) r3 = openat$dlm_control(0xffffffffffffff9c, &(0x7f0000000000)='/dev/dlm-control\x00', 0x0, 0x0) ioctl$SNDRV_PCM_IOCTL_XRUN(r3, 0x4148, 0x0) ioctl$NBD_CLEAR_SOCK(r3, 0xab04) ioctl$NBD_SET_SOCK(r0, 0xab03, 0xffffffffffffffff) r4 = openat$dlm_control(0xffffffffffffff9c, &(0x7f0000000080)='/dev/dlm-control\x00', 0x103040, 0x0) setsockopt$nfc_llcp_NFC_LLCP_RW(r4, 0x118, 0x0, &(0x7f00000000c0)=0x200, 0x4) 22:54:49 executing program 5: r0 = syz_open_dev$ndb(&(0x7f0000000000)='/dev/nbd#\x00', 0x0, 0x0) r1 = openat$dlm_control(0xffffffffffffff9c, &(0x7f0000000000)='/dev/dlm-control\x00', 0x0, 0x0) ioctl$SNDRV_PCM_IOCTL_XRUN(r1, 0x4148, 0x0) openat$dlm_control(0xffffffffffffff9c, &(0x7f00000000c0)='/dev/dlm-control\x00', 0x8a000, 0x0) r2 = openat$dlm_control(0xffffffffffffff9c, &(0x7f0000000000)='/dev/dlm-control\x00', 0x0, 0x0) ioctl$SNDRV_PCM_IOCTL_XRUN(r2, 0x4148, 0x0) syz_open_dev$ndb(&(0x7f0000000100)='/dev/nbd#\x00', 0x0, 0xc0) openat$dlm_control(0xffffffffffffff9c, &(0x7f0000000180)='/dev/dlm-control\x00', 0x0, 0x0) ioctl$NBD_SET_SIZE(r1, 0xab02, 0x200000000003) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)) ioctl$NBD_SET_SOCK(r0, 0xab00, r3) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x13e) r4 = syz_open_dev$ndb(&(0x7f0000000140)='/dev/nbd#\x00', 0x0, 0x0) ioctl$NBD_CLEAR_SOCK(r4, 0xab04) ioctl$NBD_SET_SOCK(r0, 0xab03, 0xffffffffffffffff) 22:54:49 executing program 3: openat$snapshot(0xffffffffffffff9c, &(0x7f0000000000)='/dev/snapshot\x00', 0x0, 0x0) ioctl$SNDCTL_TMR_METRONOME(0xffffffffffffffff, 0x40045407) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f00000000c0)) r0 = openat$sequencer(0xffffffffffffff9c, &(0x7f0000000140)='/dev/sequencer\x00', 0x2, 0x0) r1 = openat$sequencer2(0xffffffffffffff9c, &(0x7f0000000080)='/dev/sequencer2\x00', 0x8000, 0x0) ioctl$SNDCTL_SEQ_PANIC(r1, 0x5111) ioctl$SNDCTL_SEQ_GETTIME(0xffffffffffffffff, 0x80045113, &(0x7f0000000040)) ioctl$SNDCTL_SEQ_RESET(r0, 0x5100) 22:54:49 executing program 4: openat$snapshot(0xffffffffffffff9c, &(0x7f0000000040)='/dev/snapshot\x00', 0x40181, 0x0) r0 = openat$fb0(0xffffffffffffff9c, &(0x7f0000000380)='/dev/fb0\x00', 0x0, 0x0) ioctl$BTRFS_IOC_RESIZE(r0, 0x50009403, 0x0) ioctl$BTRFS_IOC_GET_DEV_STATS(r0, 0xc4089434, &(0x7f0000000080)={0x0, 0x97, 0x1, [0x5, 0x2, 0xffffffffd1207f2b, 0x7, 0x10001], [0x7cad, 0x3, 0x2, 0x0, 0x8, 0xfffffffffffffffd, 0x3, 0x80000001, 0x7ff, 0x100000000, 0x200, 0x0, 0x3, 0x7, 0xffffffffffffffa2, 0x80000000, 0x1, 0x1000000, 0x90, 0x4, 0x9, 0x5, 0x7, 0x5aa, 0x7, 0x7, 0x80000001, 0x9, 0x3, 0x7, 0xfffffffffffffffb, 0x6, 0x4, 0x5, 0x7, 0x5, 0xf3, 0x0, 0x8, 0x0, 0x2, 0x7, 0x1, 0x7, 0x8000, 0x1, 0x2, 0xd53, 0x40, 0x80000001, 0x3, 0x28d7, 0xe34, 0x5, 0x2, 0x8, 0x4, 0xfffffffffffffe01, 0x4, 0x5, 0x0, 0x8, 0x9, 0x1, 0x4, 0x8001, 0x7, 0x401, 0x400, 0x1, 0x7, 0xfffffffffffffff7, 0x0, 0x6, 0x8000, 0x60, 0x2, 0x101, 0x7f, 0x800, 0x6, 0x5, 0x6b2, 0x2, 0x5, 0x9, 0x5, 0x0, 0x9, 0x100000000, 0x80000000, 0xffffffff00000001, 0xf6d, 0x0, 0x400, 0x5, 0x1000, 0x0, 0x2, 0x6, 0x401, 0x7, 0x7, 0x7, 0x7fff, 0x3, 0x1, 0x0, 0xda7, 0x5, 0x7, 0x800, 0x9, 0xa000000000000000, 0x7, 0x8, 0x0, 0x18000, 0x5, 0xbb3, 0x7]}) [ 2066.529562] block nbd0: Receive control failed (result -32) [ 2066.530654] block nbd0: Device being setup by another task [ 2066.544688] block nbd0: shutting down sockets [ 2066.621635] block nbd2: shutting down sockets [ 2066.650970] block nbd5: shutting down sockets [ 2066.661423] print_req_error: 140 callbacks suppressed [ 2066.661432] print_req_error: I/O error, dev nbd2, sector 0 [ 2066.673360] buffer_io_error: 150 callbacks suppressed [ 2066.673369] Buffer I/O error on dev nbd2, logical block 0, async page read [ 2066.687370] print_req_error: I/O error, dev nbd2, sector 2 [ 2066.693299] Buffer I/O error on dev nbd2, logical block 1, async page read [ 2066.706036] print_req_error: I/O error, dev nbd2, sector 4 [ 2066.712758] Buffer I/O error on dev nbd2, logical block 2, async page read [ 2066.721380] print_req_error: I/O error, dev nbd2, sector 6 [ 2066.727071] Buffer I/O error on dev nbd2, logical block 3, async page read [ 2066.734713] print_req_error: I/O error, dev nbd2, sector 0 [ 2066.741328] Buffer I/O error on dev nbd2, logical block 0, async page read [ 2066.748957] print_req_error: I/O error, dev nbd2, sector 2 [ 2066.754709] Buffer I/O error on dev nbd2, logical block 1, async page read [ 2066.763236] Buffer I/O error on dev nbd2, logical block 2, async page read [ 2066.770465] Buffer I/O error on dev nbd2, logical block 3, async page read [ 2066.778486] print_req_error: I/O error, dev nbd2, sector 0 [ 2066.784281] Buffer I/O error on dev nbd2, logical block 0, async page read [ 2066.791793] Buffer I/O error on dev nbd2, logical block 1, async page read [ 2066.799934] print_req_error: I/O error, dev nbd2, sector 0 [ 2066.805959] print_req_error: I/O error, dev nbd2, sector 0 [ 2066.812414] print_req_error: I/O error, dev nbd2, sector 0 [ 2066.818957] ldm_validate_partition_table(): Disk read failed. [ 2066.824678] block nbd1: Receive control failed (result -32) [ 2066.828099] Dev nbd2: unable to read RDB block 0 [ 2066.835920] block nbd1: shutting down sockets [ 2066.843470] nbd2: unable to read partition table [ 2066.851072] nbd2: partition table beyond EOD, truncated [ 2066.876043] ldm_validate_partition_table(): Disk read failed. [ 2066.885566] Dev nbd2: unable to read RDB block 0 [ 2066.892109] nbd2: unable to read partition table [ 2066.897207] nbd2: partition table beyond EOD, truncated [ 2066.901913] block nbd1: shutting down sockets 22:54:49 executing program 1: r0 = syz_open_dev$ndb(&(0x7f0000000000)='/dev/nbd#\x00', 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) ioctl$NBD_SET_SOCK(r0, 0xab03, 0xffffffffffffffff) 22:54:49 executing program 5: r0 = syz_open_dev$ndb(&(0x7f0000000000)='/dev/nbd#\x00', 0x0, 0x0) r1 = openat$dlm_control(0xffffffffffffff9c, &(0x7f0000000000)='/dev/dlm-control\x00', 0x0, 0x0) ioctl$SNDRV_PCM_IOCTL_XRUN(r1, 0x4148, 0x0) openat$dlm_control(0xffffffffffffff9c, &(0x7f00000000c0)='/dev/dlm-control\x00', 0x8a000, 0x0) r2 = openat$dlm_control(0xffffffffffffff9c, &(0x7f0000000000)='/dev/dlm-control\x00', 0x0, 0x0) ioctl$SNDRV_PCM_IOCTL_XRUN(r2, 0x4148, 0x0) syz_open_dev$ndb(&(0x7f0000000100)='/dev/nbd#\x00', 0x0, 0xc0) openat$dlm_control(0xffffffffffffff9c, &(0x7f0000000180)='/dev/dlm-control\x00', 0x0, 0x0) ioctl$NBD_SET_SIZE(r1, 0xab02, 0x200000000003) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)) ioctl$NBD_SET_SOCK(r0, 0xab00, r3) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x13e) r4 = syz_open_dev$ndb(&(0x7f0000000140)='/dev/nbd#\x00', 0x0, 0x0) ioctl$NBD_CLEAR_SOCK(r4, 0xab04) ioctl$NBD_SET_SOCK(r0, 0xab03, 0xffffffffffffffff) 22:54:49 executing program 3: openat$snapshot(0xffffffffffffff9c, &(0x7f0000000080)='/dev/snapshot\x00', 0x0, 0x0) ioctl$SNDCTL_TMR_METRONOME(0xffffffffffffffff, 0x40045407) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)) r0 = openat$sequencer(0xffffffffffffff9c, &(0x7f0000000140)='/dev/sequencer\x00', 0x2, 0x0) ioctl$SNDCTL_SEQ_PANIC(r0, 0x5111) ioctl$SNDCTL_SEQ_RESET(r0, 0x5100) 22:54:49 executing program 4: r0 = openat$dlm_control(0xffffffffffffff9c, &(0x7f0000000000)='/dev/dlm-control\x00', 0x0, 0x0) ioctl$SNDRV_PCM_IOCTL_XRUN(r0, 0x4148, 0x0) ioctl$SOUND_MIXER_READ_STEREODEVS(r0, 0x80044dfb, &(0x7f0000000000)) openat$snapshot(0xffffffffffffff9c, &(0x7f0000000040)='/dev/snapshot\x00', 0x141f01, 0x0) [ 2066.911111] ldm_validate_partition_table(): Disk read failed. [ 2066.918708] Dev nbd2: unable to read RDB block 0 [ 2066.926216] nbd2: unable to read partition table [ 2066.932049] nbd2: partition table beyond EOD, truncated [ 2066.942163] ldm_validate_partition_table(): Disk read failed. [ 2066.963054] Dev nbd2: unable to read RDB block 0 22:54:49 executing program 2: r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x13e) r2 = syz_open_dev$ndb(&(0x7f0000000140)='/dev/nbd#\x00', 0x0, 0x0) ioctl$NBD_CLEAR_SOCK(r2, 0xab04) ioctl$NBD_SET_SOCK(r0, 0xab03, 0xffffffffffffffff) [ 2066.985121] nbd2: unable to read partition table [ 2067.000925] nbd2: partition table beyond EOD, truncated [ 2067.011341] block nbd5: shutting down sockets 22:54:49 executing program 4: openat$snapshot(0xffffffffffffff9c, &(0x7f0000000000)='/dev/snapshot\x00', 0x140901, 0x0) 22:54:49 executing program 3: openat$snapshot(0xffffffffffffff9c, &(0x7f0000000000)='/dev/snapshot\x00', 0x0, 0x0) ioctl$SNDCTL_TMR_METRONOME(0xffffffffffffffff, 0x40045407) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)) r0 = openat$sequencer(0xffffffffffffff9c, &(0x7f0000000140)='/dev/sequencer\x00', 0x2, 0x0) mkdirat$cgroup_root(0xffffffffffffff9c, &(0x7f0000000080)='./cgroup.cpu/syz1\x00', 0x1ff) ioctl$SNDCTL_SEQ_PANIC(r0, 0x5111) ioctl$SNDCTL_SEQ_RESET(r0, 0x5100) [ 2067.113298] block nbd2: shutting down sockets [ 2067.156794] block nbd2: shutting down sockets [ 2067.460652] block nbd0: Receive control failed (result -104) [ 2067.838382] block nbd1: Receive control failed (result -32) [ 2067.839807] block nbd1: Device being setup by another task [ 2067.850910] block nbd1: shutting down sockets [ 2212.751213] INFO: task syz-executor.0:12266 blocked for more than 140 seconds. [ 2212.758598] Not tainted 4.19.172-syzkaller #0 [ 2212.766212] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 2212.775222] syz-executor.0 D28560 12266 8096 0x00000004 [ 2212.780872] Call Trace: [ 2212.784334] __schedule+0x887/0x2040 [ 2212.789091] ? io_schedule_timeout+0x140/0x140 [ 2212.794839] ? lock_downgrade+0x720/0x720 [ 2212.799206] ? __mutex_lock+0x458/0x1260 [ 2212.804047] schedule+0x8d/0x1b0 [ 2212.807428] schedule_preempt_disabled+0xf/0x20 [ 2212.813134] __mutex_lock+0x647/0x1260 [ 2212.817057] ? blkdev_put+0x30/0x520 [ 2212.820775] ? __mutex_add_waiter+0x160/0x160 [ 2212.826312] ? lock_downgrade+0x720/0x720 [ 2212.830665] ? locks_remove_file+0x286/0x450 [ 2212.836117] ? locks_check_ctx_file_list+0x1d/0x110 [ 2212.841712] ? _raw_spin_unlock+0x29/0x40 [ 2212.846042] ? locks_remove_file+0x2cd/0x450 [ 2212.850636] ? blkdev_put+0x520/0x520 [ 2212.855721] blkdev_put+0x30/0x520 [ 2212.859264] ? blkdev_put+0x520/0x520 [ 2212.863853] blkdev_close+0x86/0xb0 [ 2212.867519] __fput+0x2ce/0x890 [ 2212.870801] task_work_run+0x148/0x1c0 [ 2212.876146] exit_to_usermode_loop+0x251/0x2a0 [ 2212.880833] do_syscall_64+0x538/0x620 [ 2212.885509] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 2212.892608] RIP: 0033:0x465b09 [ 2212.895851] Code: Bad RIP value. [ 2212.899207] RSP: 002b:00007f3b29952188 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 2212.908430] RAX: 0000000000000000 RBX: 000000000056bf60 RCX: 0000000000465b09 [ 2212.916434] RDX: ffffffffffffffff RSI: 000000000000ab03 RDI: 0000000000000003 [ 2212.925040] RBP: 00000000004b069f R08: 0000000000000000 R09: 0000000000000000 [ 2212.933794] R10: 0000000000000000 R11: 0000000000000246 R12: 000000000056bf60 [ 2212.941816] R13: 00007ffd432889ef R14: 00007f3b29952300 R15: 0000000000022000 [ 2212.949332] INFO: task syz-executor.0:12323 blocked for more than 140 seconds. [ 2212.958128] Not tainted 4.19.172-syzkaller #0 [ 2212.964290] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 2212.974083] syz-executor.0 D28640 12323 8096 0x00000004 [ 2212.980576] Call Trace: [ 2212.984029] __schedule+0x887/0x2040 [ 2212.987767] ? io_schedule_timeout+0x140/0x140 [ 2212.993981] ? lock_downgrade+0x720/0x720 [ 2212.998261] ? __mutex_lock+0x458/0x1260 [ 2213.002985] schedule+0x8d/0x1b0 [ 2213.006667] schedule_preempt_disabled+0xf/0x20 [ 2213.011724] __mutex_lock+0x647/0x1260 [ 2213.015626] ? unwind_get_return_address+0x51/0x90 [ 2213.020560] ? __blkdev_get+0x1d0/0x1480 [ 2213.024725] ? __mutex_add_waiter+0x160/0x160 [ 2213.029258] ? lock_downgrade+0x720/0x720 [ 2213.034248] ? lock_acquire+0x170/0x3c0 [ 2213.038282] ? get_gendisk+0x83/0x380 [ 2213.042258] ? disk_block_events+0x1d/0x130 [ 2213.046655] __blkdev_get+0x1d0/0x1480 [ 2213.050568] ? bdev_disk_changed+0x1b0/0x1b0 [ 2213.055121] ? mark_held_locks+0xf0/0xf0 [ 2213.059203] ? mark_held_locks+0xf0/0xf0 [ 2213.063374] blkdev_get+0xb0/0x940 [ 2213.066942] ? bd_acquire+0x245/0x440 [ 2213.070745] ? __blkdev_get+0x1480/0x1480 [ 2213.075675] ? lock_downgrade+0x720/0x720 [ 2213.079905] ? lock_acquire+0x170/0x3c0 [ 2213.084194] ? bd_acquire+0x21/0x440 [ 2213.087939] ? do_raw_spin_unlock+0x171/0x230 [ 2213.093979] blkdev_open+0x202/0x290 [ 2213.097725] do_dentry_open+0x4aa/0x1160 [ 2213.101867] ? blkdev_get_by_dev+0x70/0x70 [ 2213.106185] ? chown_common+0x550/0x550 [ 2213.110235] ? inode_permission+0x3d/0x140 [ 2213.114719] path_openat+0x793/0x2df0 [ 2213.118554] ? path_lookupat+0x8d0/0x8d0 [ 2213.122700] ? do_anonymous_page+0x704/0x1be0 [ 2213.127207] ? mark_held_locks+0xf0/0xf0 [ 2213.131572] do_filp_open+0x18c/0x3f0 [ 2213.135378] ? may_open_dev+0xf0/0xf0 [ 2213.139175] ? lock_downgrade+0x720/0x720 [ 2213.145071] ? lock_acquire+0x170/0x3c0 [ 2213.149072] ? __alloc_fd+0x34/0x570 [ 2213.153087] ? do_raw_spin_unlock+0x171/0x230 [ 2213.157941] ? _raw_spin_unlock+0x29/0x40 [ 2213.162847] ? __alloc_fd+0x28d/0x570 [ 2213.166700] do_sys_open+0x3b3/0x520 [ 2213.170437] ? filp_open+0x70/0x70 [ 2213.174101] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 2213.179479] ? trace_hardirqs_off_caller+0x6e/0x210 [ 2213.184623] ? do_syscall_64+0x21/0x620 [ 2213.188610] do_syscall_64+0xf9/0x620 [ 2213.192543] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 2213.198677] RIP: 0033:0x4190f4 [ 2213.201991] Code: 1c c2 48 8d 5b 38 48 8d 34 c2 48 8d 76 20 83 3d 31 99 35 01 00 90 0f 85 86 00 00 00 4c 8b 44 24 38 4c 89 44 c2 18 4c 8b 44 24 <40> 4c 89 44 c2 28 83 3d 0f 99 35 01 00 75 40 48 8b 4c 24 48 48 89 [ 2213.221049] RSP: 002b:00007f3b29930cc0 EFLAGS: 00000293 ORIG_RAX: 0000000000000101 [ 2213.229000] RAX: ffffffffffffffda RBX: 6666666666666667 RCX: 00000000004190f4 [ 2213.236657] RDX: 0000000000000000 RSI: 00007f3b29930d60 RDI: 00000000ffffff9c [ 2213.244442] RBP: 00007f3b29930d60 R08: 0000000000000000 R09: 002364626e2f7665 [ 2213.251875] R10: 0000000000000000 R11: 0000000000000293 R12: 0000000000000000 [ 2213.259157] R13: 00007ffd432889ef R14: 00007f3b29931300 R15: 0000000000022000 [ 2213.266585] INFO: task systemd-udevd:12269 blocked for more than 140 seconds. [ 2213.274028] Not tainted 4.19.172-syzkaller #0 [ 2213.279295] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 2213.287369] systemd-udevd D26624 12269 4695 0x00000100 [ 2213.293488] Call Trace: [ 2213.296093] __schedule+0x887/0x2040 [ 2213.300717] ? io_schedule_timeout+0x140/0x140 [ 2213.305441] schedule+0x8d/0x1b0 [ 2213.308815] io_schedule+0xb5/0x120 [ 2213.312583] wait_on_page_bit+0x2c5/0x3f0 [ 2213.316756] ? wake_page_function+0x1b0/0x1b0 [ 2213.321491] ? __bread_gfp+0x300/0x300 [ 2213.325412] ? add_to_page_cache_lru+0x680/0x680 [ 2213.330186] do_read_cache_page+0x8ed/0x1170 [ 2213.334688] ? blkdev_writepages+0x20/0x20 [ 2213.338956] read_dev_sector+0xbf/0x500 [ 2213.343647] ? adfspart_check_ADFS+0x8e0/0x8e0 [ 2213.348776] adfspart_check_ICS+0x114/0xe70 [ 2213.353450] ? adfspart_check_ADFS+0x8e0/0x8e0 [ 2213.358052] ? snprintf+0xbb/0xf0 [ 2213.361594] ? vsprintf+0x30/0x30 [ 2213.365052] ? _raw_spin_unlock+0x29/0x40 [ 2213.369274] ? __get_vm_area_node+0x2e2/0x3a0 [ 2213.373974] ? adfspart_check_ADFS+0x8e0/0x8e0 [ 2213.378582] check_partition+0x390/0x690 [ 2213.382756] rescan_partitions+0x1b5/0x970 [ 2213.387025] ? nbd_open+0x4cc/0x6f0 [ 2213.390656] ? nbd_add_socket+0x6f0/0x6f0 [ 2213.394879] bdev_disk_changed+0x179/0x1b0 [ 2213.400047] __blkdev_get+0x1282/0x1480 [ 2213.404198] ? bdev_disk_changed+0x1b0/0x1b0 [ 2213.408715] ? mark_held_locks+0xf0/0xf0 [ 2213.412880] ? mark_held_locks+0xf0/0xf0 [ 2213.416988] blkdev_get+0xb0/0x940 [ 2213.420520] ? bd_acquire+0x245/0x440 [ 2213.425138] ? __blkdev_get+0x1480/0x1480 [ 2213.429407] ? lock_downgrade+0x720/0x720 [ 2213.433669] ? lock_acquire+0x170/0x3c0 [ 2213.437697] ? bd_acquire+0x21/0x440 [ 2213.441537] ? do_raw_spin_unlock+0x171/0x230 [ 2213.446055] blkdev_open+0x202/0x290 [ 2213.449769] do_dentry_open+0x4aa/0x1160 [ 2213.453938] ? blkdev_get_by_dev+0x70/0x70 [ 2213.458302] ? chown_common+0x550/0x550 [ 2213.462369] ? inode_permission+0x3d/0x140 [ 2213.466624] path_openat+0x793/0x2df0 [ 2213.470568] ? path_lookupat+0x8d0/0x8d0 [ 2213.474772] ? __put_seccomp_filter+0xa0/0xa0 [ 2213.479284] ? mark_held_locks+0xf0/0xf0 [ 2213.483582] do_filp_open+0x18c/0x3f0 [ 2213.487403] ? may_open_dev+0xf0/0xf0 [ 2213.491293] ? lock_downgrade+0x720/0x720 [ 2213.495930] ? lock_acquire+0x170/0x3c0 [ 2213.500085] ? __alloc_fd+0x34/0x570 [ 2213.505393] ? do_raw_spin_unlock+0x171/0x230 [ 2213.509910] ? _raw_spin_unlock+0x29/0x40 [ 2213.514172] ? __alloc_fd+0x28d/0x570 [ 2213.517999] do_sys_open+0x3b3/0x520 [ 2213.521809] ? filp_open+0x70/0x70 [ 2213.525540] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 2213.531257] ? trace_hardirqs_off_caller+0x6e/0x210 [ 2213.536732] ? do_syscall_64+0x21/0x620 [ 2213.540709] do_syscall_64+0xf9/0x620 [ 2213.544723] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 2213.549921] RIP: 0033:0x7fb846af7840 [ 2213.554413] Code: Bad RIP value. [ 2213.557823] RSP: 002b:00007ffde02dee08 EFLAGS: 00000246 ORIG_RAX: 0000000000000002 [ 2213.565621] RAX: ffffffffffffffda RBX: 000055f08b83b3f0 RCX: 00007fb846af7840 [ 2213.573014] RDX: 000055f08b321fe3 RSI: 00000000000a0800 RDI: 000055f08b836590 [ 2213.580334] RBP: 00007ffde02def80 R08: 000055f08b321670 R09: 0000000000000010 [ 2213.587702] R10: 000055f08b321d0c R11: 0000000000000246 R12: 00007ffde02deed0 [ 2213.595046] R13: 000055f08b83c8c0 R14: 0000000000000003 R15: 000000000000000e [ 2213.603201] [ 2213.603201] Showing all locks held in the system: [ 2213.610455] 3 locks held by kworker/u4:2/34: [ 2213.615588] #0: 00000000955b18ea (&rq->lock){-.-.}, at: __schedule+0x1f9/0x2040 [ 2213.623264] #1: 000000009a64a9a4 (rcu_read_lock){....}, at: update_curr+0x2c3/0x870 [ 2213.631243] #2: 0000000061f268fd (&base->lock){-.-.}, at: lock_timer_base+0x55/0x1b0 [ 2213.639254] 1 lock held by khungtaskd/1564: [ 2213.643650] #0: 000000009a64a9a4 (rcu_read_lock){....}, at: debug_show_all_locks+0x53/0x265 [ 2213.652351] 1 lock held by in:imklog/7793: [ 2213.656570] #0: 000000006e1d1202 (&f->f_pos_lock){+.+.}, at: __fdget_pos+0x26f/0x310 [ 2213.664680] 3 locks held by kworker/u4:7/9518: [ 2213.669283] #0: 00000000955b18ea (&rq->lock){-.-.}, at: pick_next_task_fair+0x556/0x1570 [ 2213.677702] #1: 000000009a64a9a4 (rcu_read_lock){....}, at: __update_idle_core+0x39/0x3e0 [ 2213.686607] #2: 0000000061f268fd (&base->lock){-.-.}, at: lock_timer_base+0x55/0x1b0 [ 2213.694677] 1 lock held by syz-executor.0/12266: [ 2213.699531] #0: 0000000080606795 (&bdev->bd_mutex){+.+.}, at: blkdev_put+0x30/0x520 [ 2213.708803] 1 lock held by syz-executor.0/12323: [ 2213.713645] #0: 0000000080606795 (&bdev->bd_mutex){+.+.}, at: __blkdev_get+0x1d0/0x1480 [ 2213.722115] 1 lock held by systemd-udevd/12269: [ 2213.726779] #0: 0000000080606795 (&bdev->bd_mutex){+.+.}, at: __blkdev_get+0x1d0/0x1480 [ 2213.735090] [ 2213.736726] ============================================= [ 2213.736726] [ 2213.744080] NMI backtrace for cpu 0 [ 2213.747709] CPU: 0 PID: 1564 Comm: khungtaskd Not tainted 4.19.172-syzkaller #0 [ 2213.755141] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 2213.765183] Call Trace: [ 2213.767765] dump_stack+0x1fc/0x2ef [ 2213.771387] nmi_cpu_backtrace.cold+0x63/0xa2 [ 2213.776119] ? lapic_can_unplug_cpu+0x80/0x80 [ 2213.780659] nmi_trigger_cpumask_backtrace+0x1a6/0x1f0 [ 2213.785968] watchdog+0x991/0xe60 [ 2213.789417] ? reset_hung_task_detector+0x30/0x30 [ 2213.794258] kthread+0x33f/0x460 [ 2213.797620] ? kthread_park+0x180/0x180 [ 2213.802536] ret_from_fork+0x24/0x30 [ 2213.806626] Sending NMI from CPU 0 to CPUs 1: [ 2213.812645] NMI backtrace for cpu 1 [ 2213.812652] CPU: 1 PID: 4684 Comm: systemd-journal Not tainted 4.19.172-syzkaller #0 [ 2213.812658] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 2213.812663] RIP: 0010:__sanitizer_cov_trace_pc+0x4/0x50 [ 2213.812674] Code: e8 a1 b7 35 00 e9 ab fe ff ff 4c 89 ef e8 94 b7 35 00 e9 23 fe ff ff 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 48 8b 34 24 <65> 48 8b 04 25 80 df 01 00 65 8b 15 3c 85 9f 7e 81 e2 00 01 1f 00 [ 2213.812679] RSP: 0018:ffff8880a0d27e50 EFLAGS: 00000286 [ 2213.812688] RAX: 0000000000000001 RBX: 0000000000000000 RCX: 0000000000000000 [ 2213.812693] RDX: dffffc0000000000 RSI: ffffffff81a1b41a RDI: 0000000000000286 [ 2213.812699] RBP: 00000000fffffffe R08: 0000000000000000 R09: 0000000000000000 [ 2213.812704] R10: 0000000000000005 R11: 0000000000000000 R12: fffffffffffffffe [ 2213.812710] R13: fffffffffffffffe R14: 0000000000000000 R15: 0000000000000040 [ 2213.812716] FS: 00007f6d866a28c0(0000) GS:ffff8880ba100000(0000) knlGS:0000000000000000 [ 2213.812720] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 2213.812726] CR2: 00007f6d83463000 CR3: 00000000a0c2b000 CR4: 00000000001406e0 [ 2213.812731] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 2213.812737] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 2213.812740] Call Trace: [ 2213.812744] do_sys_open+0x2ba/0x520 [ 2213.812748] ? filp_open+0x70/0x70 [ 2213.812752] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 2213.812756] ? trace_hardirqs_off_caller+0x6e/0x210 [ 2213.812760] ? do_syscall_64+0x21/0x620 [ 2213.812764] do_syscall_64+0xf9/0x620 [ 2213.812769] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 2213.812772] RIP: 0033:0x7f6d85c3285d [ 2213.812783] Code: bb 20 00 00 75 10 b8 02 00 00 00 0f 05 48 3d 01 f0 ff ff 73 31 c3 48 83 ec 08 e8 1e f6 ff ff 48 89 04 24 b8 02 00 00 00 0f 05 <48> 8b 3c 24 48 89 c2 e8 67 f6 ff ff 48 89 d0 48 83 c4 08 48 3d 01 [ 2213.812788] RSP: 002b:00007ffc7d0b8170 EFLAGS: 00000293 ORIG_RAX: 0000000000000002 [ 2213.812797] RAX: ffffffffffffffda RBX: 00007ffc7d0b8480 RCX: 00007f6d85c3285d [ 2213.812802] RDX: 00000000000001a0 RSI: 0000000000080042 RDI: 00005616888c65f0 [ 2213.812808] RBP: 000000000000000d R08: 000000000000ffc0 R09: 00000000ffffffff [ 2213.812813] R10: 0000000000000069 R11: 0000000000000293 R12: 00000000ffffffff [ 2213.812819] R13: 00005616888b8040 R14: 00007ffc7d0b8440 R15: 00005616888c6740 [ 2213.814343] Kernel panic - not syncing: hung_task: blocked tasks [ 2214.049938] CPU: 0 PID: 1564 Comm: khungtaskd Not tainted 4.19.172-syzkaller #0 [ 2214.057556] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 2214.067532] Call Trace: [ 2214.070129] dump_stack+0x1fc/0x2ef [ 2214.074671] panic+0x26a/0x50e [ 2214.077936] ? __warn_printk+0xf3/0xf3 [ 2214.081821] ? lapic_can_unplug_cpu+0x80/0x80 [ 2214.086315] ? ___preempt_schedule+0x16/0x18 [ 2214.090710] ? watchdog+0x991/0xe60 [ 2214.094342] ? nmi_trigger_cpumask_backtrace+0x15e/0x1f0 [ 2214.099791] watchdog+0x9a2/0xe60 [ 2214.103236] ? reset_hung_task_detector+0x30/0x30 [ 2214.108064] kthread+0x33f/0x460 [ 2214.111416] ? kthread_park+0x180/0x180 [ 2214.115392] ret_from_fork+0x24/0x30 [ 2214.119924] Kernel Offset: disabled [ 2214.123557] Rebooting in 86400 seconds..