0x0, 0x0, 0x8}, 0x20000000) 08:01:44 executing program 1: syz_open_dev$ndb(&(0x7f00000002c0), 0x0, 0x0) r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000200), 0xffffffffffffffff) sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f0000000200)={&(0x7f0000000100)={0x10, 0x0, 0x0, 0x200000}, 0xc, &(0x7f00000001c0)={&(0x7f0000000140)={0x48, r1, 0x1, 0x70bd2d, 0x25dfdbfd, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x8}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x25}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}]}, 0x48}, 0x1, 0x0, 0x0, 0x8}, 0x20000000) 08:01:44 executing program 5: r0 = syz_open_dev$ndb(&(0x7f00000002c0), 0x0, 0x0) ioctl$NBD_SET_SOCK(r0, 0x5452, 0xffffffffffffffff) 08:01:44 executing program 0: r0 = syz_open_dev$ndb(&(0x7f00000002c0), 0x0, 0x0) ioctl$NBD_SET_SOCK(r0, 0x5460, 0xffffffffffffffff) 08:01:44 executing program 2: syz_open_dev$ndb(&(0x7f00000002c0), 0x0, 0x0) r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(0x0, r1) sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f0000000200)={&(0x7f0000000100)={0x10, 0x0, 0x0, 0x200000}, 0xc, &(0x7f00000001c0)={&(0x7f0000000140)={0x48, r2, 0x1, 0x70bd2d, 0x25dfdbfd, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x8}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x25}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}]}, 0x48}, 0x1, 0x0, 0x0, 0x8}, 0x20000000) 08:01:44 executing program 4: r0 = socket$nl_generic(0x10, 0x3, 0x10) sendmsg$BATADV_CMD_GET_ORIGINATORS(r0, &(0x7f0000000100)={&(0x7f0000000080), 0xc, &(0x7f00000000c0)={&(0x7f0000000340)=ANY=[@ANYBLOB="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", @ANYRES16, @ANYBLOB="100026bd7000fbdbdf2508000000050030000000000008003100b460000008003a00c40b00000500300001000000"], 0x34}, 0x1, 0x0, 0x0, 0x4040800}, 0x440c0) 08:01:44 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(0x0, r1) sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f0000000200)={&(0x7f0000000100)={0x10, 0x0, 0x0, 0x200000}, 0xc, &(0x7f00000001c0)={&(0x7f0000000140)={0x48, r2, 0x1, 0x70bd2d, 0x25dfdbfd, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x8}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x25}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}]}, 0x48}, 0x1, 0x0, 0x0, 0x8}, 0x20000000) 08:01:44 executing program 5: r0 = syz_open_dev$ndb(&(0x7f00000002c0), 0x0, 0x0) ioctl$NBD_SET_SOCK(r0, 0x5460, 0xffffffffffffffff) 08:01:44 executing program 0: r0 = syz_open_dev$ndb(&(0x7f00000002c0), 0x0, 0x0) ioctl$NBD_SET_SOCK(r0, 0x40049409, 0xffffffffffffffff) 08:01:44 executing program 1: syz_open_dev$ndb(&(0x7f00000002c0), 0x0, 0x0) r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000200), 0xffffffffffffffff) sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f0000000200)={&(0x7f0000000100)={0x10, 0x0, 0x0, 0x200000}, 0xc, &(0x7f00000001c0)={&(0x7f0000000140)={0x48, r1, 0x1, 0x70bd2d, 0x25dfdbfd, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x8}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x25}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}]}, 0x48}, 0x1, 0x0, 0x0, 0x8}, 0x20000000) 08:01:44 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000200), 0xffffffffffffffff) sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f0000000200)={&(0x7f0000000100)={0x10, 0x0, 0x0, 0x200000}, 0xc, &(0x7f00000001c0)={&(0x7f0000000140)={0x48, r1, 0x1, 0x70bd2d, 0x25dfdbfd, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x8}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x25}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}]}, 0x48}, 0x1, 0x0, 0x0, 0x8}, 0x20000000) 08:01:44 executing program 4: r0 = socket$nl_generic(0x10, 0x3, 0x10) sendmsg$BATADV_CMD_GET_ORIGINATORS(r0, &(0x7f0000000100)={&(0x7f0000000080), 0xc, &(0x7f00000000c0)={&(0x7f0000000340)=ANY=[@ANYBLOB="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", @ANYRES16, @ANYBLOB="100026bd7000fbdbdf2508000000050030000000000008003100b460000008003a00c40b00000500300001000000"], 0x34}, 0x1, 0x0, 0x0, 0x4040800}, 0x440c0) 08:01:44 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(0x0, r1) sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f0000000200)={&(0x7f0000000100)={0x10, 0x0, 0x0, 0x200000}, 0xc, &(0x7f00000001c0)={&(0x7f0000000140)={0x48, r2, 0x1, 0x70bd2d, 0x25dfdbfd, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x8}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x25}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}]}, 0x48}, 0x1, 0x0, 0x0, 0x8}, 0x20000000) 08:01:44 executing program 5: r0 = syz_open_dev$ndb(&(0x7f00000002c0), 0x0, 0x0) ioctl$NBD_SET_SOCK(r0, 0x40049409, 0xffffffffffffffff) 08:01:44 executing program 0: r0 = syz_open_dev$ndb(&(0x7f00000002c0), 0x0, 0x0) ioctl$NBD_SET_SOCK(r0, 0x4020940d, 0xffffffffffffffff) 08:01:44 executing program 1: syz_open_dev$ndb(&(0x7f00000002c0), 0x0, 0x0) r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000200), 0xffffffffffffffff) sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f0000000200)={&(0x7f0000000100)={0x10, 0x0, 0x0, 0x200000}, 0xc, &(0x7f00000001c0)={&(0x7f0000000140)={0x48, r1, 0x1, 0x70bd2d, 0x25dfdbfd, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x8}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x25}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}]}, 0x48}, 0x1, 0x0, 0x0, 0x8}, 0x20000000) 08:01:44 executing program 2: syz_open_dev$ndb(0x0, 0x0, 0x4000) r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000200), r1) sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f0000000200)={&(0x7f0000000100)={0x10, 0x0, 0x0, 0x200000}, 0xc, &(0x7f00000001c0)={&(0x7f0000000140)={0x48, r2, 0x1, 0x70bd2d, 0x25dfdbfd, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x8}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x25}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}]}, 0x48}, 0x1, 0x0, 0x0, 0x8}, 0x20000000) 08:01:44 executing program 4: r0 = socket$nl_generic(0x10, 0x3, 0x10) sendmsg$BATADV_CMD_GET_ORIGINATORS(r0, &(0x7f0000000100)={&(0x7f0000000080), 0xc, &(0x7f00000000c0)={&(0x7f0000000340)=ANY=[@ANYBLOB="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", @ANYRES16, @ANYBLOB="100026bd7000fbdbdf2508000000050030000000000008003100b460000008003a00c40b00000500300001000000"], 0x34}, 0x1, 0x0, 0x0, 0x4040800}, 0x440c0) 08:01:44 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(0x0, r1) sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f0000000200)={&(0x7f0000000100)={0x10, 0x0, 0x0, 0x200000}, 0xc, &(0x7f00000001c0)={&(0x7f0000000140)={0x48, r2, 0x1, 0x70bd2d, 0x25dfdbfd, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x8}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x25}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}]}, 0x48}, 0x1, 0x0, 0x0, 0x8}, 0x20000000) 08:01:44 executing program 5: r0 = syz_open_dev$ndb(&(0x7f00000002c0), 0x0, 0x0) ioctl$NBD_SET_SOCK(r0, 0x4020940d, 0xffffffffffffffff) 08:01:44 executing program 0: r0 = syz_open_dev$ndb(&(0x7f00000002c0), 0x0, 0x0) ioctl$NBD_SET_SOCK(r0, 0xc0045878, 0xffffffffffffffff) 08:01:44 executing program 1: syz_open_dev$ndb(&(0x7f00000002c0), 0x0, 0x0) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000200), r0) sendmsg$NBD_CMD_RECONFIGURE(0xffffffffffffffff, &(0x7f0000000200)={&(0x7f0000000100)={0x10, 0x0, 0x0, 0x200000}, 0xc, &(0x7f00000001c0)={&(0x7f0000000140)={0x48, r1, 0x1, 0x70bd2d, 0x25dfdbfd, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x8}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x25}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}]}, 0x48}, 0x1, 0x0, 0x0, 0x8}, 0x20000000) 08:01:44 executing program 5: r0 = syz_open_dev$ndb(&(0x7f00000002c0), 0x0, 0x0) ioctl$NBD_SET_SOCK(r0, 0xc0045878, 0xffffffffffffffff) 08:01:44 executing program 2: r0 = openat$ptmx(0xffffffffffffff9c, &(0x7f0000000040), 0x0, 0x0) ioctl$TIOCGPTPEER(r0, 0x5441, 0xdbb8) (fail_nth: 1) 08:01:44 executing program 4: r0 = socket$nl_generic(0x10, 0x3, 0x10) sendmsg$BATADV_CMD_GET_ORIGINATORS(r0, &(0x7f0000000100)={&(0x7f0000000080), 0xc, &(0x7f00000000c0)={&(0x7f0000000340)=ANY=[@ANYBLOB="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", @ANYRES16, @ANYBLOB="100026bd7000fbdbdf2508000000050030000000000008003100b460000008003a00c40b00000500300001000000"], 0x34}, 0x1, 0x0, 0x0, 0x4040800}, 0x440c0) [ 1267.045869] block nbd2: not configured, cannot reconfigure 08:01:44 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000200), 0xffffffffffffffff) sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f0000000200)={&(0x7f0000000100)={0x10, 0x0, 0x0, 0x200000}, 0xc, &(0x7f00000001c0)={&(0x7f0000000140)={0x48, r1, 0x1, 0x70bd2d, 0x25dfdbfd, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x8}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x25}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}]}, 0x48}, 0x1, 0x0, 0x0, 0x8}, 0x20000000) 08:01:44 executing program 0: r0 = syz_open_dev$ndb(&(0x7f00000002c0), 0x0, 0x0) ioctl$NBD_SET_SOCK(r0, 0xc0045878, 0xffffffffffffffff) 08:01:44 executing program 1: syz_open_dev$ndb(&(0x7f00000002c0), 0x0, 0x0) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000200), r0) sendmsg$NBD_CMD_RECONFIGURE(0xffffffffffffffff, &(0x7f0000000200)={&(0x7f0000000100)={0x10, 0x0, 0x0, 0x200000}, 0xc, &(0x7f00000001c0)={&(0x7f0000000140)={0x48, r1, 0x1, 0x70bd2d, 0x25dfdbfd, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x8}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x25}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}]}, 0x48}, 0x1, 0x0, 0x0, 0x8}, 0x20000000) 08:01:44 executing program 4: r0 = socket$nl_generic(0x10, 0x3, 0x10) sendmsg$BATADV_CMD_GET_ORIGINATORS(r0, &(0x7f0000000100)={&(0x7f0000000080), 0xc, &(0x7f00000000c0)={&(0x7f0000000340)=ANY=[@ANYBLOB="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", @ANYRES16, @ANYBLOB="100026bd7000fbdbdf2508000000050030000000000008003100b460000008003a00c40b00000500300001000000"], 0x34}, 0x1, 0x0, 0x0, 0x4040800}, 0x440c0) 08:01:44 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000200), 0xffffffffffffffff) sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f0000000200)={&(0x7f0000000100)={0x10, 0x0, 0x0, 0x200000}, 0xc, &(0x7f00000001c0)={&(0x7f0000000140)={0x48, r1, 0x1, 0x70bd2d, 0x25dfdbfd, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x8}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x25}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}]}, 0x48}, 0x1, 0x0, 0x0, 0x8}, 0x20000000) 08:01:44 executing program 5: r0 = syz_open_dev$ndb(&(0x7f00000002c0), 0x0, 0x0) ioctl$NBD_SET_SOCK(r0, 0xc0045878, 0xffffffffffffffff) [ 1267.181657] FAULT_INJECTION: forcing a failure. [ 1267.181657] name failslab, interval 1, probability 0, space 0, times 0 08:01:44 executing program 0: r0 = syz_open_dev$ndb(&(0x7f00000002c0), 0x0, 0x0) ioctl$NBD_SET_SOCK(r0, 0xc0189436, 0xffffffffffffffff) [ 1267.244379] CPU: 0 PID: 23356 Comm: syz-executor.2 Not tainted 4.19.211-syzkaller #0 [ 1267.252307] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/16/2023 [ 1267.261661] Call Trace: [ 1267.264255] dump_stack+0x1fc/0x2ef [ 1267.267890] should_fail.cold+0xa/0xf [ 1267.271700] ? setup_fault_attr+0x200/0x200 [ 1267.276028] ? lock_acquire+0x170/0x3c0 [ 1267.280013] __should_failslab+0x115/0x180 [ 1267.284286] should_failslab+0x5/0x10 [ 1267.288090] kmem_cache_alloc+0x277/0x370 [ 1267.292249] __alloc_file+0x21/0x340 [ 1267.295970] alloc_empty_file+0x6d/0x170 [ 1267.300035] dentry_open+0x70/0x1d0 [ 1267.303670] ptm_open_peer+0x1af/0x280 [ 1267.307564] ? pty_write_room+0xe0/0xe0 [ 1267.311547] ? __lock_acquire+0x6de/0x3ff0 [ 1267.315790] tty_ioctl+0x99e/0x1630 [ 1267.319421] ? tty_fasync+0x300/0x300 [ 1267.323231] ? get_pid_task+0xf4/0x190 [ 1267.327124] ? mark_held_locks+0xf0/0xf0 [ 1267.331191] ? proc_fail_nth_write+0x95/0x1d0 [ 1267.335688] ? proc_tgid_io_accounting+0x7f0/0x7f0 [ 1267.340619] ? __fdget_pos+0x26f/0x310 [ 1267.344522] ? ksys_write+0x241/0x2a0 [ 1267.348328] ? tty_fasync+0x300/0x300 [ 1267.352135] do_vfs_ioctl+0xcdb/0x12e0 [ 1267.356031] ? lock_downgrade+0x720/0x720 [ 1267.360189] ? check_preemption_disabled+0x41/0x280 [ 1267.365216] ? ioctl_preallocate+0x200/0x200 [ 1267.369637] ? __fget+0x356/0x510 [ 1267.373098] ? do_dup2+0x450/0x450 [ 1267.376650] ? vfs_write+0x393/0x540 [ 1267.380374] ? fput+0x2b/0x190 [ 1267.383577] ksys_ioctl+0x9b/0xc0 [ 1267.387042] __x64_sys_ioctl+0x6f/0xb0 [ 1267.390943] ? lockdep_hardirqs_on+0x3a8/0x5c0 [ 1267.395529] do_syscall_64+0xf9/0x620 [ 1267.399341] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 1267.404532] RIP: 0033:0x7f472b1030f9 [ 1267.408248] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 f1 19 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48 [ 1267.427149] RSP: 002b:00007f4729675168 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 1267.434862] RAX: ffffffffffffffda RBX: 00007f472b222f80 RCX: 00007f472b1030f9 08:01:45 executing program 0: r0 = syz_open_dev$ndb(&(0x7f00000002c0), 0x0, 0x0) ioctl$NBD_SET_SOCK(r0, 0xc020660b, 0xffffffffffffffff) 08:01:45 executing program 4: r0 = socket$nl_generic(0x10, 0x3, 0x10) sendmsg$BATADV_CMD_GET_ORIGINATORS(r0, &(0x7f0000000100)={&(0x7f0000000080), 0xc, &(0x7f00000000c0)={&(0x7f0000000340)=ANY=[@ANYBLOB="00000000f2422a00c5666b6d2005078a444eca8eb1033a1d9f61c3cf194c6f26a90f0d6525ccfffd9818d917e89a43027122a2ea609a8ade1e80dde667b4fa5f88bf53d88804c8fa9556c0824a98865298beb4d82ce6746124df7a574157fe879b1d4997f471192a921247cd384a9a3e2217e3a6458288c296440bc9ef0059d3ed5597fce631b519e7ba72be23083dcb30a6dd9a431ad78ee3ff3bc99970860928e13e3a83c5dda5fbc70e5e44ad5164811074721d17480ccd0daef2c9946c4a6577fe3cf3f9d960ff86caada736db465a6c34d37fc3a0e50191a991d87502f7a34643554c16276a002eddf92129596e3d02dc2010baaffc946a678ce0ade969369a595a9d63d93b4072949952e8a6b359a51ab4f3edd6e08993deb18fc96d66ad3ebf96ab46323e566adae21ba3285c4705c4c09b59da090f1a7310de33ca2dd2850592fce243c91c39b23a2d795fa426da0a117d6e1f44", @ANYRES16, @ANYBLOB="100026bd7000fbdbdf2508000000050030000000000008003100b460000008003a00c40b00000500300001000000"], 0x34}, 0x1, 0x0, 0x0, 0x4040800}, 0x440c0) 08:01:45 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000200), 0xffffffffffffffff) sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f0000000200)={&(0x7f0000000100)={0x10, 0x0, 0x0, 0x200000}, 0xc, &(0x7f00000001c0)={&(0x7f0000000140)={0x48, r1, 0x1, 0x70bd2d, 0x25dfdbfd, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x8}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x25}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}]}, 0x48}, 0x1, 0x0, 0x0, 0x8}, 0x20000000) [ 1267.442131] RDX: 000000000000dbb8 RSI: 0000000000005441 RDI: 0000000000000003 [ 1267.449401] RBP: 00007f47296751d0 R08: 0000000000000000 R09: 0000000000000000 [ 1267.456674] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001 [ 1267.463947] R13: 00007ffc0aaca0bf R14: 00007f4729675300 R15: 0000000000022000 08:01:45 executing program 2: r0 = openat$ptmx(0xffffffffffffff9c, &(0x7f0000000040), 0x0, 0x0) ioctl$TIOCGPTPEER(r0, 0x5441, 0xdbb8) (fail_nth: 2) 08:01:45 executing program 5: r0 = syz_open_dev$ndb(&(0x7f00000002c0), 0x0, 0x0) ioctl$NBD_SET_SOCK(r0, 0xc0189436, 0xffffffffffffffff) 08:01:45 executing program 1: syz_open_dev$ndb(&(0x7f00000002c0), 0x0, 0x0) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000200), r0) sendmsg$NBD_CMD_RECONFIGURE(0xffffffffffffffff, &(0x7f0000000200)={&(0x7f0000000100)={0x10, 0x0, 0x0, 0x200000}, 0xc, &(0x7f00000001c0)={&(0x7f0000000140)={0x48, r1, 0x1, 0x70bd2d, 0x25dfdbfd, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x8}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x25}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}]}, 0x48}, 0x1, 0x0, 0x0, 0x8}, 0x20000000) 08:01:45 executing program 0: r0 = syz_open_dev$ndb(&(0x7f00000002c0), 0x0, 0x0) r1 = socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$batadv(&(0x7f0000000480), 0xffffffffffffffff) sendmsg$BATADV_CMD_TP_METER_CANCEL(r1, &(0x7f0000000580)={0x0, 0x0, &(0x7f0000000540)={&(0x7f00000004c0)={0x14, r2, 0x1}, 0x14}}, 0x0) ioctl$ifreq_SIOCGIFINDEX_batadv_mesh(0xffffffffffffffff, 0x8933, &(0x7f0000000040)={'batadv0\x00', 0x0}) sendmsg$BATADV_CMD_GET_HARDIF(0xffffffffffffffff, &(0x7f00000001c0)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x82000001}, 0xc, &(0x7f0000000100)={&(0x7f0000000080)={0x50, r2, 0x0, 0x70bd29, 0x25dfdbfe, {}, [@BATADV_ATTR_MULTICAST_FANOUT={0x8, 0x3c, 0x9}, @BATADV_ATTR_NETWORK_CODING_ENABLED={0x5}, @BATADV_ATTR_ORIG_ADDRESS={0xa, 0x9, @local}, @BATADV_ATTR_MESH_IFINDEX={0x8, 0x3, r3}, @BATADV_ATTR_ISOLATION_MASK={0x8}, @BATADV_ATTR_ISOLATION_MASK={0x8, 0x2c, 0x7}, @BATADV_ATTR_BONDING_ENABLED={0x5, 0x2d, 0x1}]}, 0x50}}, 0x10000) r4 = syz_open_dev$vcsn(&(0x7f0000000140), 0x1, 0x0) ioctl$MEDIA_IOC_REQUEST_ALLOC(r4, 0x80047c05, &(0x7f0000000180)) ioctl$MEDIA_REQUEST_IOC_QUEUE(r4, 0x7c80, 0x0) ioctl$NBD_SET_SOCK(r0, 0x5452, 0xffffffffffffffff) 08:01:45 executing program 4: r0 = socket$nl_generic(0x10, 0x3, 0x10) sendmsg$BATADV_CMD_GET_ORIGINATORS(r0, &(0x7f0000000100)={&(0x7f0000000080), 0xc, &(0x7f00000000c0)={&(0x7f0000000340)=ANY=[@ANYBLOB="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", @ANYRES16, @ANYBLOB="100026bd7000fbdbdf2508000000050030000000000008003100b460000008003a00c40b00000500300001000000"], 0x34}, 0x1, 0x0, 0x0, 0x4040800}, 0x440c0) 08:01:45 executing program 3: syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000200), r0) sendmsg$NBD_CMD_RECONFIGURE(0xffffffffffffffff, &(0x7f0000000200)={&(0x7f0000000100)={0x10, 0x0, 0x0, 0x200000}, 0xc, &(0x7f00000001c0)={&(0x7f0000000140)={0x48, r1, 0x1, 0x70bd2d, 0x25dfdbfd, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x8}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x25}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}]}, 0x48}, 0x1, 0x0, 0x0, 0x8}, 0x20000000) 08:01:45 executing program 5: r0 = syz_open_dev$ndb(&(0x7f00000002c0), 0x0, 0x0) ioctl$NBD_SET_SOCK(r0, 0xc020660b, 0xffffffffffffffff) 08:01:45 executing program 4: r0 = socket$nl_generic(0x10, 0x3, 0x10) sendmsg$BATADV_CMD_GET_ORIGINATORS(r0, &(0x7f0000000100)={&(0x7f0000000080), 0xc, &(0x7f00000000c0)={&(0x7f0000000340)=ANY=[@ANYBLOB="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", @ANYRES16, @ANYBLOB="100026bd7000fbdbdf2508000000050030000000000008003100b460000008003a00c40b00000500300001000000"], 0x34}, 0x1, 0x0, 0x0, 0x4040800}, 0x440c0) 08:01:45 executing program 1: syz_open_dev$ndb(&(0x7f00000002c0), 0x0, 0x0) r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000200), r1) sendmsg$NBD_CMD_RECONFIGURE(r0, 0x0, 0x20000000) 08:01:45 executing program 0: r0 = syz_open_dev$ndb(&(0x7f00000002c0), 0x0, 0x0) (async, rerun: 32) r1 = socket$nl_generic(0x10, 0x3, 0x10) (async, rerun: 32) r2 = syz_genetlink_get_family_id$batadv(&(0x7f0000000480), 0xffffffffffffffff) sendmsg$BATADV_CMD_TP_METER_CANCEL(r1, &(0x7f0000000580)={0x0, 0x0, &(0x7f0000000540)={&(0x7f00000004c0)={0x14, r2, 0x1}, 0x14}}, 0x0) (async) ioctl$ifreq_SIOCGIFINDEX_batadv_mesh(0xffffffffffffffff, 0x8933, &(0x7f0000000040)={'batadv0\x00', 0x0}) sendmsg$BATADV_CMD_GET_HARDIF(0xffffffffffffffff, &(0x7f00000001c0)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x82000001}, 0xc, &(0x7f0000000100)={&(0x7f0000000080)={0x50, r2, 0x0, 0x70bd29, 0x25dfdbfe, {}, [@BATADV_ATTR_MULTICAST_FANOUT={0x8, 0x3c, 0x9}, @BATADV_ATTR_NETWORK_CODING_ENABLED={0x5}, @BATADV_ATTR_ORIG_ADDRESS={0xa, 0x9, @local}, @BATADV_ATTR_MESH_IFINDEX={0x8, 0x3, r3}, @BATADV_ATTR_ISOLATION_MASK={0x8}, @BATADV_ATTR_ISOLATION_MASK={0x8, 0x2c, 0x7}, @BATADV_ATTR_BONDING_ENABLED={0x5, 0x2d, 0x1}]}, 0x50}}, 0x10000) (async) r4 = syz_open_dev$vcsn(&(0x7f0000000140), 0x1, 0x0) ioctl$MEDIA_IOC_REQUEST_ALLOC(r4, 0x80047c05, &(0x7f0000000180)) (async) ioctl$MEDIA_REQUEST_IOC_QUEUE(r4, 0x7c80, 0x0) (async, rerun: 32) ioctl$NBD_SET_SOCK(r0, 0x5452, 0xffffffffffffffff) (rerun: 32) 08:01:45 executing program 3: syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000200), r0) sendmsg$NBD_CMD_RECONFIGURE(0xffffffffffffffff, &(0x7f0000000200)={&(0x7f0000000100)={0x10, 0x0, 0x0, 0x200000}, 0xc, &(0x7f00000001c0)={&(0x7f0000000140)={0x48, r1, 0x1, 0x70bd2d, 0x25dfdbfd, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x8}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x25}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}]}, 0x48}, 0x1, 0x0, 0x0, 0x8}, 0x20000000) [ 1267.693443] FAULT_INJECTION: forcing a failure. [ 1267.693443] name failslab, interval 1, probability 0, space 0, times 0 08:01:45 executing program 5: syz_open_dev$media(&(0x7f0000000000), 0x80, 0x1af480) r0 = syz_open_dev$ndb(&(0x7f00000002c0), 0x0, 0x10000) ioctl$NBD_SET_SOCK(r0, 0x5421, 0xffffffffffffffff) [ 1267.767349] CPU: 1 PID: 23401 Comm: syz-executor.2 Not tainted 4.19.211-syzkaller #0 [ 1267.775256] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/16/2023 [ 1267.784614] Call Trace: [ 1267.787213] dump_stack+0x1fc/0x2ef [ 1267.790854] should_fail.cold+0xa/0xf [ 1267.794666] ? setup_fault_attr+0x200/0x200 [ 1267.798996] ? lock_acquire+0x170/0x3c0 [ 1267.802983] __should_failslab+0x115/0x180 [ 1267.807233] should_failslab+0x5/0x10 [ 1267.811043] kmem_cache_alloc_trace+0x284/0x380 [ 1267.815725] apparmor_file_alloc_security+0x394/0xad0 [ 1267.820933] ? apparmor_file_receive+0x160/0x160 [ 1267.825700] ? __alloc_file+0x21/0x340 [ 1267.829596] security_file_alloc+0x40/0x90 [ 1267.833843] __alloc_file+0xd8/0x340 [ 1267.837562] alloc_empty_file+0x6d/0x170 [ 1267.841630] dentry_open+0x70/0x1d0 [ 1267.845266] ptm_open_peer+0x1af/0x280 [ 1267.849161] ? pty_write_room+0xe0/0xe0 [ 1267.853143] ? __lock_acquire+0x6de/0x3ff0 [ 1267.857380] tty_ioctl+0x99e/0x1630 [ 1267.861025] ? tty_fasync+0x300/0x300 [ 1267.864835] ? get_pid_task+0xf4/0x190 [ 1267.868733] ? mark_held_locks+0xf0/0xf0 [ 1267.872803] ? proc_fail_nth_write+0x95/0x1d0 [ 1267.877305] ? proc_tgid_io_accounting+0x7f0/0x7f0 [ 1267.882239] ? __fdget_pos+0x26f/0x310 [ 1267.886146] ? ksys_write+0x241/0x2a0 [ 1267.889951] ? tty_fasync+0x300/0x300 [ 1267.893757] do_vfs_ioctl+0xcdb/0x12e0 [ 1267.897654] ? lock_downgrade+0x720/0x720 [ 1267.901813] ? check_preemption_disabled+0x41/0x280 [ 1267.906856] ? ioctl_preallocate+0x200/0x200 [ 1267.911278] ? __fget+0x356/0x510 [ 1267.914734] ? do_dup2+0x450/0x450 [ 1267.918280] ? vfs_write+0x393/0x540 [ 1267.922031] ? fput+0x2b/0x190 [ 1267.925238] ksys_ioctl+0x9b/0xc0 [ 1267.928699] __x64_sys_ioctl+0x6f/0xb0 [ 1267.932592] ? lockdep_hardirqs_on+0x3a8/0x5c0 [ 1267.937179] do_syscall_64+0xf9/0x620 [ 1267.940990] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 1267.946180] RIP: 0033:0x7f472b1030f9 [ 1267.949918] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 f1 19 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48 [ 1267.968815] RSP: 002b:00007f4729675168 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 1267.976535] RAX: ffffffffffffffda RBX: 00007f472b222f80 RCX: 00007f472b1030f9 [ 1267.983809] RDX: 000000000000dbb8 RSI: 0000000000005441 RDI: 0000000000000003 [ 1267.991076] RBP: 00007f47296751d0 R08: 0000000000000000 R09: 0000000000000000 [ 1267.998347] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001 [ 1268.005616] R13: 00007ffc0aaca0bf R14: 00007f4729675300 R15: 0000000000022000 08:01:45 executing program 2: r0 = openat$ptmx(0xffffffffffffff9c, &(0x7f0000000040), 0x0, 0x0) ioctl$TIOCGPTPEER(r0, 0x5441, 0xdbb8) (fail_nth: 3) 08:01:45 executing program 1: syz_open_dev$ndb(&(0x7f00000002c0), 0x0, 0x0) r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000200), r1) sendmsg$NBD_CMD_RECONFIGURE(r0, 0x0, 0x20000000) 08:01:45 executing program 3: syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000200), r0) sendmsg$NBD_CMD_RECONFIGURE(0xffffffffffffffff, &(0x7f0000000200)={&(0x7f0000000100)={0x10, 0x0, 0x0, 0x200000}, 0xc, &(0x7f00000001c0)={&(0x7f0000000140)={0x48, r1, 0x1, 0x70bd2d, 0x25dfdbfd, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x8}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x25}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}]}, 0x48}, 0x1, 0x0, 0x0, 0x8}, 0x20000000) 08:01:45 executing program 4: r0 = socket$nl_generic(0x10, 0x3, 0x10) sendmsg$BATADV_CMD_GET_ORIGINATORS(r0, &(0x7f0000000100)={&(0x7f0000000080), 0xc, &(0x7f00000000c0)={&(0x7f0000000340)=ANY=[@ANYBLOB="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", @ANYRES16, @ANYBLOB="100026bd7000fbdbdf2508000000050030000000000008003100b460000008003a00c40b00000500300001000000"], 0x34}, 0x1, 0x0, 0x0, 0x4040800}, 0x440c0) 08:01:45 executing program 0: r0 = syz_open_dev$ndb(&(0x7f00000002c0), 0x0, 0x0) r1 = socket$nl_generic(0x10, 0x3, 0x10) (async) r2 = syz_genetlink_get_family_id$batadv(&(0x7f0000000480), 0xffffffffffffffff) sendmsg$BATADV_CMD_TP_METER_CANCEL(r1, &(0x7f0000000580)={0x0, 0x0, &(0x7f0000000540)={&(0x7f00000004c0)={0x14, r2, 0x1}, 0x14}}, 0x0) ioctl$ifreq_SIOCGIFINDEX_batadv_mesh(0xffffffffffffffff, 0x8933, &(0x7f0000000040)={'batadv0\x00', 0x0}) sendmsg$BATADV_CMD_GET_HARDIF(0xffffffffffffffff, &(0x7f00000001c0)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x82000001}, 0xc, &(0x7f0000000100)={&(0x7f0000000080)={0x50, r2, 0x0, 0x70bd29, 0x25dfdbfe, {}, [@BATADV_ATTR_MULTICAST_FANOUT={0x8, 0x3c, 0x9}, @BATADV_ATTR_NETWORK_CODING_ENABLED={0x5}, @BATADV_ATTR_ORIG_ADDRESS={0xa, 0x9, @local}, @BATADV_ATTR_MESH_IFINDEX={0x8, 0x3, r3}, @BATADV_ATTR_ISOLATION_MASK={0x8}, @BATADV_ATTR_ISOLATION_MASK={0x8, 0x2c, 0x7}, @BATADV_ATTR_BONDING_ENABLED={0x5, 0x2d, 0x1}]}, 0x50}}, 0x10000) (async) r4 = syz_open_dev$vcsn(&(0x7f0000000140), 0x1, 0x0) ioctl$MEDIA_IOC_REQUEST_ALLOC(r4, 0x80047c05, &(0x7f0000000180)) ioctl$MEDIA_REQUEST_IOC_QUEUE(r4, 0x7c80, 0x0) (async) ioctl$NBD_SET_SOCK(r0, 0x5452, 0xffffffffffffffff) 08:01:45 executing program 5: syz_open_dev$media(&(0x7f0000000000), 0x80, 0x1af480) r0 = syz_open_dev$ndb(&(0x7f00000002c0), 0x0, 0x10000) ioctl$NBD_SET_SOCK(r0, 0x5421, 0xffffffffffffffff) 08:01:45 executing program 4: r0 = socket$nl_generic(0x10, 0x3, 0x10) sendmsg$BATADV_CMD_GET_ORIGINATORS(r0, &(0x7f0000000100)={&(0x7f0000000080), 0xc, &(0x7f00000000c0)={&(0x7f0000000340)=ANY=[@ANYBLOB="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", @ANYRES16, @ANYBLOB="100026bd7000fbdbdf2508000000050030000000000008003100b460000008003a00c40b00000500300001000000"], 0x34}, 0x1, 0x0, 0x0, 0x4040800}, 0x440c0) 08:01:45 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000200), r1) sendmsg$NBD_CMD_RECONFIGURE(r0, 0x0, 0x20000000) 08:01:45 executing program 5: syz_open_dev$media(&(0x7f0000000000), 0x80, 0x1af480) syz_open_dev$ndb(&(0x7f00000002c0), 0x0, 0x10000) (async) r0 = syz_open_dev$ndb(&(0x7f00000002c0), 0x0, 0x10000) ioctl$NBD_SET_SOCK(r0, 0x5421, 0xffffffffffffffff) 08:01:45 executing program 1: syz_open_dev$ndb(&(0x7f00000002c0), 0x0, 0x0) r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000200), r1) sendmsg$NBD_CMD_RECONFIGURE(r0, 0x0, 0x20000000) 08:01:45 executing program 0: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x6881) ioctl$NBD_SET_SOCK(r0, 0x5452, 0xffffffffffffffff) socket$bt_cmtp(0x1f, 0x3, 0x5) 08:01:45 executing program 2: r0 = openat$ptmx(0xffffffffffffff9c, &(0x7f0000000040), 0x0, 0x0) ioctl$TIOCGPTPEER(r0, 0x5441, 0xdbb8) 08:01:45 executing program 4: r0 = socket$nl_generic(0x10, 0x3, 0x10) sendmsg$BATADV_CMD_GET_ORIGINATORS(r0, &(0x7f0000000100)={&(0x7f0000000080), 0xc, &(0x7f00000000c0)={&(0x7f0000000340)=ANY=[@ANYBLOB="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", @ANYRES16, @ANYBLOB="100026bd7000fbdbdf2508000000050030000000000008003100b460000008003a00c40b00000500300001000000"], 0x34}, 0x1, 0x0, 0x0, 0x4040800}, 0x440c0) 08:01:45 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000200), r1) sendmsg$NBD_CMD_RECONFIGURE(r0, 0x0, 0x20000000) 08:01:45 executing program 1: syz_open_dev$ndb(&(0x7f00000002c0), 0x0, 0x0) r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000200), r1) sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f0000000200)={0x0, 0x0, &(0x7f00000001c0)={&(0x7f0000000140)={0x48, r2, 0x1, 0x70bd2d, 0x25dfdbfd, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x8}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x25}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}]}, 0x48}, 0x1, 0x0, 0x0, 0x8}, 0x20000000) 08:01:45 executing program 0: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x6881) ioctl$NBD_SET_SOCK(r0, 0x5452, 0xffffffffffffffff) socket$bt_cmtp(0x1f, 0x3, 0x5) 08:01:45 executing program 5: r0 = syz_open_dev$ndb(&(0x7f00000002c0), 0x0, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, 0xffffffffffffffff) r1 = syz_open_dev$vcsn(&(0x7f0000000000), 0xd06, 0x301) ioctl$NBD_SET_SOCK(r1, 0x5421, 0xffffffffffffffff) 08:01:45 executing program 2: r0 = openat$ptmx(0xffffffffffffff9c, &(0x7f0000000040), 0x0, 0x0) ioctl$TIOCGPTPEER(r0, 0x2, 0xdbb8) 08:01:45 executing program 4: r0 = socket$nl_generic(0x10, 0x3, 0x10) sendmsg$BATADV_CMD_GET_ORIGINATORS(r0, &(0x7f0000000100)={&(0x7f0000000080), 0xc, &(0x7f00000000c0)={&(0x7f0000000340)=ANY=[@ANYBLOB="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", @ANYRES16, @ANYBLOB="100026bd7000fbdbdf2508000000050030000000000008003100b460000008003a00c40b00000500300001000000"], 0x34}, 0x1, 0x0, 0x0, 0x4040800}, 0x440c0) 08:01:45 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000200), r1) sendmsg$NBD_CMD_RECONFIGURE(r0, 0x0, 0x20000000) 08:01:45 executing program 0: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x6881) ioctl$NBD_SET_SOCK(r0, 0x5452, 0xffffffffffffffff) (async) socket$bt_cmtp(0x1f, 0x3, 0x5) [ 1268.377841] block nbd1: not configured, cannot reconfigure 08:01:45 executing program 1: syz_open_dev$ndb(&(0x7f00000002c0), 0x0, 0x0) r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000200), r1) sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f0000000200)={0x0, 0x0, 0x0, 0x1, 0x0, 0x0, 0x8}, 0x20000000) 08:01:45 executing program 2: r0 = openat$ptmx(0xffffffffffffff9c, &(0x7f0000000040), 0x0, 0x0) ioctl$TIOCGPTPEER(r0, 0x5409, 0xdbb8) 08:01:46 executing program 5: r0 = syz_open_dev$ndb(&(0x7f00000002c0), 0x0, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, 0xffffffffffffffff) syz_open_dev$vcsn(&(0x7f0000000000), 0xd06, 0x301) (async) r1 = syz_open_dev$vcsn(&(0x7f0000000000), 0xd06, 0x301) ioctl$NBD_SET_SOCK(r1, 0x5421, 0xffffffffffffffff) 08:01:46 executing program 4: r0 = socket$nl_generic(0x10, 0x3, 0x10) sendmsg$BATADV_CMD_GET_ORIGINATORS(r0, &(0x7f0000000100)={&(0x7f0000000080), 0xc, &(0x7f00000000c0)={&(0x7f0000000340)=ANY=[@ANYBLOB="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", @ANYRES16, @ANYBLOB="100026bd7000fbdbdf2508000000050030000000000008003100b460000008003a00c40b00000500300001000000"], 0x34}}, 0x440c0) 08:01:46 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000200), r1) sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f0000000200)={0x0, 0x0, &(0x7f00000001c0)={&(0x7f0000000140)={0x48, r2, 0x1, 0x70bd2d, 0x25dfdbfd, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x8}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x25}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}]}, 0x48}, 0x1, 0x0, 0x0, 0x8}, 0x20000000) 08:01:46 executing program 2: r0 = openat$ptmx(0xffffffffffffff9c, &(0x7f0000000040), 0x0, 0x0) ioctl$TIOCGPTPEER(r0, 0x540b, 0xdbb8) 08:01:46 executing program 1: syz_open_dev$ndb(&(0x7f00000002c0), 0x0, 0x0) r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000200), r1) sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f0000000200)={0x0, 0x0, 0x0, 0x1, 0x0, 0x0, 0x8}, 0x20000000) 08:01:46 executing program 0: r0 = syz_open_dev$ndb(&(0x7f00000002c0), 0x0, 0x0) ioctl$NBD_DISCONNECT(r0, 0xab08) ioctl$NBD_SET_SOCK(r0, 0x5452, 0xffffffffffffffff) 08:01:46 executing program 5: r0 = syz_open_dev$ndb(&(0x7f00000002c0), 0x0, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, 0xffffffffffffffff) (async) r1 = syz_open_dev$vcsn(&(0x7f0000000000), 0xd06, 0x301) ioctl$NBD_SET_SOCK(r1, 0x5421, 0xffffffffffffffff) 08:01:46 executing program 4: r0 = socket$nl_generic(0x10, 0x3, 0x10) sendmsg$BATADV_CMD_GET_ORIGINATORS(r0, &(0x7f0000000100)={&(0x7f0000000080), 0xc, &(0x7f00000000c0)={&(0x7f0000000340)=ANY=[@ANYBLOB="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", @ANYRES16, @ANYBLOB="100026bd7000fbdbdf2508000000050030000000000008003100b460000008003a00c40b00000500300001000000"], 0x34}}, 0x440c0) 08:01:46 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000200), r1) sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f0000000200)={0x0, 0x0, 0x0, 0x1, 0x0, 0x0, 0x8}, 0x20000000) [ 1268.594492] block nbd3: not configured, cannot reconfigure 08:01:46 executing program 2: r0 = openat$ptmx(0xffffffffffffff9c, &(0x7f0000000040), 0x0, 0x0) ioctl$TIOCGPTPEER(r0, 0x540c, 0xdbb8) 08:01:46 executing program 1: syz_open_dev$ndb(&(0x7f00000002c0), 0x0, 0x0) r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000200), r1) sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f0000000200)={0x0, 0x0, 0x0, 0x1, 0x0, 0x0, 0x8}, 0x20000000) 08:01:46 executing program 4: r0 = socket$nl_generic(0x10, 0x3, 0x10) sendmsg$BATADV_CMD_GET_ORIGINATORS(r0, &(0x7f0000000100)={&(0x7f0000000080), 0xc, &(0x7f00000000c0)={&(0x7f0000000340)=ANY=[@ANYBLOB="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", @ANYRES16, @ANYBLOB="100026bd7000fbdbdf2508000000050030000000000008003100b460000008003a00c40b00000500300001000000"], 0x34}}, 0x440c0) [ 1268.656178] block nbd0: NBD_DISCONNECT 08:01:46 executing program 5: r0 = syz_open_dev$ndb(&(0x7f00000002c0), 0x0, 0x484e80) r1 = syz_open_dev$vcsn(&(0x7f0000000140), 0x1, 0x0) ioctl$MEDIA_IOC_REQUEST_ALLOC(r1, 0x80047c05, &(0x7f0000000180)) syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x101140) r2 = syz_open_dev$vcsn(&(0x7f0000000140), 0x1, 0x0) ioctl$MEDIA_IOC_REQUEST_ALLOC(r2, 0x80047c05, &(0x7f0000000180)) r3 = syz_open_dev$vcsn(&(0x7f0000000140), 0x1, 0x0) ioctl$MEDIA_IOC_REQUEST_ALLOC(r3, 0x80047c05, &(0x7f0000000180)) ioctl$NBD_SET_SOCK(r0, 0x5421, r2) 08:01:46 executing program 0: r0 = syz_open_dev$ndb(&(0x7f00000002c0), 0x0, 0x0) ioctl$NBD_DISCONNECT(r0, 0xab08) ioctl$NBD_SET_SOCK(r0, 0x5452, 0xffffffffffffffff) syz_open_dev$ndb(&(0x7f00000002c0), 0x0, 0x0) (async) ioctl$NBD_DISCONNECT(r0, 0xab08) (async) ioctl$NBD_SET_SOCK(r0, 0x5452, 0xffffffffffffffff) (async) 08:01:46 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000200), r1) sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f0000000200)={0x0, 0x0, 0x0, 0x1, 0x0, 0x0, 0x8}, 0x20000000) 08:01:46 executing program 1: syz_open_dev$ndb(&(0x7f00000002c0), 0x0, 0x0) r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000200), r1) sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f0000000200)={0x0, 0x0, &(0x7f00000001c0)={0x0}, 0x1, 0x0, 0x0, 0x8}, 0x20000000) 08:01:46 executing program 4: r0 = socket$nl_generic(0x10, 0x3, 0x10) sendmsg$BATADV_CMD_GET_ORIGINATORS(r0, &(0x7f0000000100)={&(0x7f0000000080), 0xc, &(0x7f00000000c0)={&(0x7f0000000340)=ANY=[@ANYBLOB="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", @ANYRES16, @ANYBLOB="100026bd7000fbdbdf2508000000050030000000000008003100b460000008003a00c40b00000500300001000000"], 0x34}, 0x1, 0x0, 0x0, 0x4040800}, 0x0) 08:01:46 executing program 2: r0 = openat$ptmx(0xffffffffffffff9c, &(0x7f0000000040), 0x0, 0x0) ioctl$TIOCGPTPEER(r0, 0x540d, 0xdbb8) 08:01:46 executing program 5: r0 = syz_open_dev$ndb(&(0x7f00000002c0), 0x0, 0x484e80) (async) r1 = syz_open_dev$vcsn(&(0x7f0000000140), 0x1, 0x0) ioctl$MEDIA_IOC_REQUEST_ALLOC(r1, 0x80047c05, &(0x7f0000000180)) (async) syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x101140) (async) r2 = syz_open_dev$vcsn(&(0x7f0000000140), 0x1, 0x0) ioctl$MEDIA_IOC_REQUEST_ALLOC(r2, 0x80047c05, &(0x7f0000000180)) r3 = syz_open_dev$vcsn(&(0x7f0000000140), 0x1, 0x0) ioctl$MEDIA_IOC_REQUEST_ALLOC(r3, 0x80047c05, &(0x7f0000000180)) (async) ioctl$NBD_SET_SOCK(r0, 0x5421, r2) [ 1268.785715] block nbd0: NBD_DISCONNECT 08:01:46 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000200), r1) sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f0000000200)={0x0, 0x0, 0x0, 0x1, 0x0, 0x0, 0x8}, 0x20000000) [ 1268.821562] block nbd0: NBD_DISCONNECT 08:01:46 executing program 0: syz_open_dev$ndb(&(0x7f00000002c0), 0x0, 0x0) (async) r0 = syz_open_dev$ndb(&(0x7f00000002c0), 0x0, 0x0) ioctl$NBD_DISCONNECT(r0, 0xab08) ioctl$NBD_SET_SOCK(r0, 0x5452, 0xffffffffffffffff) 08:01:46 executing program 2: r0 = openat$ptmx(0xffffffffffffff9c, &(0x7f0000000040), 0x0, 0x0) ioctl$TIOCGPTPEER(r0, 0x5412, 0xdbb8) 08:01:46 executing program 1: syz_open_dev$ndb(&(0x7f00000002c0), 0x0, 0x0) r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000200), r1) sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f0000000200)={0x0, 0x0, &(0x7f00000001c0)={0x0}, 0x1, 0x0, 0x0, 0x8}, 0x20000000) 08:01:46 executing program 4: r0 = socket$nl_generic(0x10, 0x3, 0x10) sendmsg$BATADV_CMD_GET_ORIGINATORS(r0, &(0x7f0000000100)={&(0x7f0000000080), 0xc, &(0x7f00000000c0)={&(0x7f0000000340)=ANY=[@ANYBLOB="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", @ANYRES16, @ANYBLOB="100026bd7000fbdbdf2508000000050030000000000008003100b460000008003a00c40b00000500300001000000"], 0x34}, 0x1, 0x0, 0x0, 0x4040800}, 0x0) 08:01:46 executing program 5: r0 = syz_open_dev$ndb(&(0x7f00000002c0), 0x0, 0x484e80) r1 = syz_open_dev$vcsn(&(0x7f0000000140), 0x1, 0x0) ioctl$MEDIA_IOC_REQUEST_ALLOC(r1, 0x80047c05, &(0x7f0000000180)) syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x101140) (async) r2 = syz_open_dev$vcsn(&(0x7f0000000140), 0x1, 0x0) ioctl$MEDIA_IOC_REQUEST_ALLOC(r2, 0x80047c05, &(0x7f0000000180)) (async) r3 = syz_open_dev$vcsn(&(0x7f0000000140), 0x1, 0x0) ioctl$MEDIA_IOC_REQUEST_ALLOC(r3, 0x80047c05, &(0x7f0000000180)) (async, rerun: 64) ioctl$NBD_SET_SOCK(r0, 0x5421, r2) (rerun: 64) 08:01:46 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000200), r1) sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f0000000200)={0x0, 0x0, &(0x7f00000001c0)={0x0}, 0x1, 0x0, 0x0, 0x8}, 0x20000000) [ 1268.947995] block nbd0: NBD_DISCONNECT 08:01:46 executing program 2: r0 = openat$ptmx(0xffffffffffffff9c, &(0x7f0000000040), 0x0, 0x0) ioctl$TIOCGPTPEER(r0, 0x5413, 0xdbb8) 08:01:46 executing program 0: syz_open_dev$ndb(&(0x7f00000002c0), 0x0, 0x0) r0 = syz_open_dev$vcsn(&(0x7f0000000140), 0x1, 0x0) ioctl$MEDIA_IOC_REQUEST_ALLOC(r0, 0x80047c05, &(0x7f0000000180)) r1 = open(&(0x7f0000000300)='./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa\x00', 0x482, 0x14) r2 = syz_open_dev$vcsn(&(0x7f0000000140), 0x1, 0x0) ioctl$MEDIA_IOC_REQUEST_ALLOC(r2, 0x80047c05, &(0x7f0000000180)) ioctl$NBD_SET_SOCK(r1, 0x5452, r2) 08:01:46 executing program 4: r0 = socket$nl_generic(0x10, 0x3, 0x10) sendmsg$BATADV_CMD_GET_ORIGINATORS(r0, &(0x7f0000000100)={&(0x7f0000000080), 0xc, &(0x7f00000000c0)={&(0x7f0000000340)=ANY=[@ANYBLOB="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", @ANYRES16, @ANYBLOB="100026bd7000fbdbdf2508000000050030000000000008003100b460000008003a00c40b00000500300001000000"], 0x34}, 0x1, 0x0, 0x0, 0x4040800}, 0x0) 08:01:46 executing program 1: syz_open_dev$ndb(&(0x7f00000002c0), 0x0, 0x0) r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000200), r1) sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f0000000200)={0x0, 0x0, &(0x7f00000001c0)={0x0}, 0x1, 0x0, 0x0, 0x8}, 0x20000000) 08:01:46 executing program 0: syz_open_dev$ndb(&(0x7f00000002c0), 0x0, 0x0) syz_open_dev$vcsn(&(0x7f0000000140), 0x1, 0x0) (async) r0 = syz_open_dev$vcsn(&(0x7f0000000140), 0x1, 0x0) ioctl$MEDIA_IOC_REQUEST_ALLOC(r0, 0x80047c05, &(0x7f0000000180)) (async) ioctl$MEDIA_IOC_REQUEST_ALLOC(r0, 0x80047c05, &(0x7f0000000180)) r1 = open(&(0x7f0000000300)='./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa\x00', 0x482, 0x14) r2 = syz_open_dev$vcsn(&(0x7f0000000140), 0x1, 0x0) ioctl$MEDIA_IOC_REQUEST_ALLOC(r2, 0x80047c05, &(0x7f0000000180)) ioctl$NBD_SET_SOCK(r1, 0x5452, r2) 08:01:46 executing program 5: syz_open_dev$ndb(&(0x7f00000002c0), 0x0, 0xc0040) read$FUSE(0xffffffffffffffff, &(0x7f0000000300)={0x2020, 0x0, 0x0, 0x0, 0x0}, 0x2020) r2 = syz_open_dev$vcsn(&(0x7f0000000140), 0x1, 0x0) ioctl$MEDIA_IOC_REQUEST_ALLOC(r2, 0x80047c05, &(0x7f0000000180)) ioctl$AUTOFS_DEV_IOCTL_REQUESTER(r2, 0xc018937b, &(0x7f0000000200)=ANY=[@ANYBLOB="010000000100000018000000", @ANYRES32=r2, @ANYRES32=0xee00, @ANYRES32=r1, @ANYBLOB="00bb4a6434c89659642e7f2f39b45ea20d798ff77c0675924d"]) r5 = open(&(0x7f00000001c0)='./file0\x00', 0x105004, 0x80) ioctl$NBD_CLEAR_SOCK(r5, 0xab04) syz_open_dev$vcsn(&(0x7f0000000040), 0x401, 0xc002) r6 = syz_open_dev$vcsn(&(0x7f0000000140), 0x1, 0x40000) ioctl$AUTOFS_DEV_IOCTL_REQUESTER(r5, 0xc018937b, &(0x7f0000000000)={{0x1, 0x1, 0x18, 0xffffffffffffffff, {r0, r1}}, './file0/file0\x00'}) connect$bt_rfcomm(r7, &(0x7f0000000240)={0x1f, @any, 0x8}, 0xa) ioctl$NBD_DISCONNECT(r6, 0xab08) ioctl$MEDIA_IOC_REQUEST_ALLOC(r6, 0x80047c05, &(0x7f0000000180)) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) r9 = syz_open_dev$vcsn(&(0x7f0000000100), 0x900, 0x309a40) ioctl$MEDIA_IOC_REQUEST_ALLOC(r9, 0x80047c05, &(0x7f0000000180)) ioctl$AUTOFS_DEV_IOCTL_REQUESTER(r9, 0xc018937b, &(0x7f00000000c0)={{0x1, 0x1, 0x18, r8, {r3, r4}}, './file0\x00'}) ioctl$NBD_SET_SOCK(r10, 0x5421, r9) 08:01:46 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000200), r1) sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f0000000200)={0x0, 0x0, &(0x7f00000001c0)={0x0}, 0x1, 0x0, 0x0, 0x8}, 0x20000000) 08:01:46 executing program 1: syz_open_dev$ndb(&(0x7f00000002c0), 0x0, 0x0) r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000200), r1) sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f0000000200)={0x0, 0x0, &(0x7f00000001c0)={&(0x7f0000000140)={0x48, 0x0, 0x1, 0x70bd2d, 0x25dfdbfd, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x8}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x25}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}]}, 0x48}, 0x1, 0x0, 0x0, 0x8}, 0x20000000) 08:01:46 executing program 2: r0 = openat$ptmx(0xffffffffffffff9c, &(0x7f0000000040), 0x0, 0x0) ioctl$TIOCGPTPEER(r0, 0x5414, 0xdbb8) 08:01:46 executing program 4: r0 = openat$ptmx(0xffffffffffffff9c, &(0x7f0000000040), 0x0, 0x0) ioctl$TIOCGPTPEER(r0, 0x5413, 0xdbb8) 08:01:46 executing program 5: syz_open_dev$ndb(&(0x7f00000002c0), 0x0, 0xc0040) (async) read$FUSE(0xffffffffffffffff, &(0x7f0000000300)={0x2020, 0x0, 0x0, 0x0, 0x0}, 0x2020) (async) r2 = syz_open_dev$vcsn(&(0x7f0000000140), 0x1, 0x0) ioctl$MEDIA_IOC_REQUEST_ALLOC(r2, 0x80047c05, &(0x7f0000000180)) (async) ioctl$AUTOFS_DEV_IOCTL_REQUESTER(r2, 0xc018937b, &(0x7f0000000200)=ANY=[@ANYBLOB="010000000100000018000000", @ANYRES32=r2, @ANYRES32=0xee00, @ANYRES32=r1, @ANYBLOB="00bb4a6434c89659642e7f2f39b45ea20d798ff77c0675924d"]) (async) r5 = open(&(0x7f00000001c0)='./file0\x00', 0x105004, 0x80) ioctl$NBD_CLEAR_SOCK(r5, 0xab04) (async) syz_open_dev$vcsn(&(0x7f0000000040), 0x401, 0xc002) (async) r6 = syz_open_dev$vcsn(&(0x7f0000000140), 0x1, 0x40000) (async) ioctl$AUTOFS_DEV_IOCTL_REQUESTER(r5, 0xc018937b, &(0x7f0000000000)={{0x1, 0x1, 0x18, 0xffffffffffffffff, {r0, r1}}, './file0/file0\x00'}) connect$bt_rfcomm(r7, &(0x7f0000000240)={0x1f, @any, 0x8}, 0xa) (async) ioctl$NBD_DISCONNECT(r6, 0xab08) ioctl$MEDIA_IOC_REQUEST_ALLOC(r6, 0x80047c05, &(0x7f0000000180)) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) (async) r9 = syz_open_dev$vcsn(&(0x7f0000000100), 0x900, 0x309a40) ioctl$MEDIA_IOC_REQUEST_ALLOC(r9, 0x80047c05, &(0x7f0000000180)) (async) ioctl$AUTOFS_DEV_IOCTL_REQUESTER(r9, 0xc018937b, &(0x7f00000000c0)={{0x1, 0x1, 0x18, r8, {r3, r4}}, './file0\x00'}) ioctl$NBD_SET_SOCK(r10, 0x5421, r9) 08:01:46 executing program 0: syz_open_dev$ndb(&(0x7f00000002c0), 0x0, 0x0) (async) r0 = syz_open_dev$vcsn(&(0x7f0000000140), 0x1, 0x0) ioctl$MEDIA_IOC_REQUEST_ALLOC(r0, 0x80047c05, &(0x7f0000000180)) (async) r1 = open(&(0x7f0000000300)='./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa\x00', 0x482, 0x14) r2 = syz_open_dev$vcsn(&(0x7f0000000140), 0x1, 0x0) ioctl$MEDIA_IOC_REQUEST_ALLOC(r2, 0x80047c05, &(0x7f0000000180)) ioctl$NBD_SET_SOCK(r1, 0x5452, r2) 08:01:46 executing program 1: syz_open_dev$ndb(&(0x7f00000002c0), 0x0, 0x0) r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000200), r1) sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f0000000200)={0x0, 0x0, &(0x7f00000001c0)={&(0x7f0000000140)={0x48, 0x0, 0x1, 0x70bd2d, 0x25dfdbfd, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x8}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x25}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}]}, 0x48}, 0x1, 0x0, 0x0, 0x8}, 0x20000000) 08:01:46 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000200), r1) sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f0000000200)={0x0, 0x0, &(0x7f00000001c0)={0x0}, 0x1, 0x0, 0x0, 0x8}, 0x20000000) 08:01:46 executing program 2: r0 = openat$ptmx(0xffffffffffffff9c, &(0x7f0000000040), 0x0, 0x0) ioctl$TIOCGPTPEER(r0, 0x5415, 0xdbb8) 08:01:46 executing program 5: syz_open_dev$ndb(&(0x7f00000002c0), 0x0, 0xc0040) (async) read$FUSE(0xffffffffffffffff, &(0x7f0000000300)={0x2020, 0x0, 0x0, 0x0, 0x0}, 0x2020) (async, rerun: 64) r2 = syz_open_dev$vcsn(&(0x7f0000000140), 0x1, 0x0) (rerun: 64) ioctl$MEDIA_IOC_REQUEST_ALLOC(r2, 0x80047c05, &(0x7f0000000180)) ioctl$AUTOFS_DEV_IOCTL_REQUESTER(r2, 0xc018937b, &(0x7f0000000200)=ANY=[@ANYBLOB="010000000100000018000000", @ANYRES32=r2, @ANYRES32=0xee00, @ANYRES32=r1, @ANYBLOB="00bb4a6434c89659642e7f2f39b45ea20d798ff77c0675924d"]) r5 = open(&(0x7f00000001c0)='./file0\x00', 0x105004, 0x80) ioctl$NBD_CLEAR_SOCK(r5, 0xab04) (async) syz_open_dev$vcsn(&(0x7f0000000040), 0x401, 0xc002) (async) r6 = syz_open_dev$vcsn(&(0x7f0000000140), 0x1, 0x40000) (async) ioctl$AUTOFS_DEV_IOCTL_REQUESTER(r5, 0xc018937b, &(0x7f0000000000)={{0x1, 0x1, 0x18, 0xffffffffffffffff, {r0, r1}}, './file0/file0\x00'}) connect$bt_rfcomm(r7, &(0x7f0000000240)={0x1f, @any, 0x8}, 0xa) (async) ioctl$NBD_DISCONNECT(r6, 0xab08) (async) ioctl$MEDIA_IOC_REQUEST_ALLOC(r6, 0x80047c05, &(0x7f0000000180)) (async) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) (async, rerun: 32) r9 = syz_open_dev$vcsn(&(0x7f0000000100), 0x900, 0x309a40) (rerun: 32) ioctl$MEDIA_IOC_REQUEST_ALLOC(r9, 0x80047c05, &(0x7f0000000180)) (async, rerun: 32) ioctl$AUTOFS_DEV_IOCTL_REQUESTER(r9, 0xc018937b, &(0x7f00000000c0)={{0x1, 0x1, 0x18, r8, {r3, r4}}, './file0\x00'}) (rerun: 32) ioctl$NBD_SET_SOCK(r10, 0x5421, r9) 08:01:46 executing program 4: r0 = openat$ptmx(0xffffffffffffff9c, &(0x7f0000000040), 0x0, 0x0) ioctl$TIOCGPTPEER(r0, 0x5414, 0xdbb8) 08:01:46 executing program 1: syz_open_dev$ndb(&(0x7f00000002c0), 0x0, 0x0) r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000200), r1) sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f0000000200)={0x0, 0x0, &(0x7f00000001c0)={&(0x7f0000000140)={0x48, 0x0, 0x1, 0x70bd2d, 0x25dfdbfd, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x8}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x25}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}]}, 0x48}, 0x1, 0x0, 0x0, 0x8}, 0x20000000) 08:01:46 executing program 4: syz_open_dev$ndb(&(0x7f00000002c0), 0x0, 0x0) r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000200), r1) sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f0000000200)={0x0, 0x0, &(0x7f00000001c0)={0x0}, 0x1, 0x0, 0x0, 0x8}, 0x20000000) 08:01:46 executing program 1: syz_open_dev$ndb(&(0x7f00000002c0), 0x0, 0x0) r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000200), r1) sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f0000000200)={0x0, 0x0, &(0x7f00000001c0)={&(0x7f0000000140)={0x48, r2, 0x0, 0x70bd2d, 0x25dfdbfd, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x8}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x25}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}]}, 0x48}, 0x1, 0x0, 0x0, 0x8}, 0x20000000) 08:01:46 executing program 2: r0 = openat$ptmx(0xffffffffffffff9c, &(0x7f0000000040), 0x0, 0x0) ioctl$TIOCGPTPEER(r0, 0x5416, 0xdbb8) 08:01:46 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000200), r1) sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f0000000200)={0x0, 0x0, &(0x7f00000001c0)={&(0x7f0000000140)={0x48, 0x0, 0x1, 0x70bd2d, 0x25dfdbfd, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x8}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x25}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}]}, 0x48}, 0x1, 0x0, 0x0, 0x8}, 0x20000000) 08:01:47 executing program 4: r0 = openat$ptmx(0xffffffffffffff9c, &(0x7f0000000040), 0x0, 0x0) ioctl$TIOCGPTPEER(r0, 0x2, 0xdbb8) 08:01:47 executing program 0: r0 = syz_open_dev$ndb(&(0x7f00000002c0), 0x0, 0x0) ioctl$NBD_SET_BLKSIZE(r0, 0xab01, 0x3f) ioctl$NBD_SET_SOCK(r0, 0x5452, 0xffffffffffffffff) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) ioctl$NBD_CLEAR_SOCK(0xffffffffffffffff, 0xab04) r4 = syz_genetlink_get_family_id$nbd(&(0x7f0000000200), r3) r5 = socket$nl_generic(0x10, 0x3, 0x10) ioctl$VT_SETMODE(0xffffffffffffffff, 0x5602, &(0x7f0000000240)={0x1b, 0x9, 0x4, 0x3, 0x7}) r6 = syz_genetlink_get_family_id$batadv(&(0x7f0000000480), 0xffffffffffffffff) sendmsg$BATADV_CMD_TP_METER_CANCEL(r5, &(0x7f0000000580)={0x0, 0x0, &(0x7f0000000540)={&(0x7f00000004c0)={0x14, r6, 0x1}, 0x14}}, 0x0) r7 = socket$nl_generic(0x10, 0x3, 0x10) r8 = syz_genetlink_get_family_id$batadv(&(0x7f0000000480), 0xffffffffffffffff) sendmsg$BATADV_CMD_TP_METER_CANCEL(r7, &(0x7f0000000580)={0x0, 0x0, &(0x7f0000000540)={&(0x7f00000004c0)={0x14, r8, 0x1}, 0x14}}, 0x0) sendmsg$BATADV_CMD_GET_TRANSTABLE_GLOBAL(r5, &(0x7f0000000380)={&(0x7f0000000280)={0x10, 0x0, 0x0, 0x800}, 0xc, &(0x7f0000000340)={&(0x7f0000000300)={0x34, r8, 0x800, 0x70bd2c, 0x25dfdbff, {}, [@BATADV_ATTR_GW_BANDWIDTH_UP={0x8, 0x32, 0xe141}, @BATADV_ATTR_VLANID={0x6, 0x28, 0x1}, @BATADV_ATTR_NETWORK_CODING_ENABLED={0x5, 0x38, 0x1}, @BATADV_ATTR_MESH_IFINDEX={0x8}]}, 0x34}, 0x1, 0x0, 0x0, 0x4000}, 0x4000) sendmsg$BATADV_CMD_TP_METER_CANCEL(0xffffffffffffffff, &(0x7f00000001c0)={&(0x7f0000000100)={0x10, 0x0, 0x0, 0x1000000}, 0xc, &(0x7f0000000180)={&(0x7f0000000140)={0x3c, r6, 0x400, 0x70bd29, 0x25dfdbfd, {}, [@BATADV_ATTR_VLANID={0x6, 0x28, 0x2}, @BATADV_ATTR_ISOLATION_MASK={0x8, 0x2c, 0x4}, @BATADV_ATTR_VLANID={0x6, 0x28, 0x4}, @BATADV_ATTR_GW_BANDWIDTH_DOWN={0x8, 0x31, 0x3}, @BATADV_ATTR_DISTRIBUTED_ARP_TABLE_ENABLED={0x5}]}, 0x3c}, 0x1, 0x0, 0x0, 0x10}, 0x40800) r9 = syz_open_dev$vcsn(&(0x7f0000000140), 0x1, 0x0) ioctl$MEDIA_IOC_REQUEST_ALLOC(r9, 0x80047c05, &(0x7f0000000180)) r10 = syz_genetlink_get_family_id$batadv(&(0x7f00000006c0), r5) sendmsg$BATADV_CMD_GET_DAT_CACHE(r9, &(0x7f00000007c0)={&(0x7f0000000680)={0x10, 0x0, 0x0, 0x100}, 0xc, &(0x7f0000000780)={&(0x7f0000000700)={0x68, r10, 0x100, 0x70bd2c, 0x25dfdbff, {}, [@BATADV_ATTR_AGGREGATED_OGMS_ENABLED={0x5}, @BATADV_ATTR_MESH_IFINDEX={0x8}, @BATADV_ATTR_VLANID={0x6, 0x28, 0x2}, @BATADV_ATTR_DISTRIBUTED_ARP_TABLE_ENABLED={0x5, 0x2f, 0x1}, @BATADV_ATTR_VLANID={0x6, 0x28, 0x4}, @BATADV_ATTR_AP_ISOLATION_ENABLED={0x5, 0x2a, 0x1}, @BATADV_ATTR_ISOLATION_MARK={0x8, 0x2b, 0x1}, @BATADV_ATTR_DISTRIBUTED_ARP_TABLE_ENABLED={0x5, 0x2f, 0x1}, @BATADV_ATTR_MULTICAST_FANOUT={0x8, 0x3c, 0x15}, @BATADV_ATTR_ORIG_ADDRESS={0xa, 0x9, @remote}]}, 0x68}, 0x1, 0x0, 0x0, 0x24000004}, 0x800) sendmsg$BATADV_CMD_GET_TRANSTABLE_LOCAL(r7, &(0x7f0000000640)={&(0x7f0000000440)={0x10, 0x0, 0x0, 0xc61d55ec73b345c7}, 0xc, &(0x7f0000000500)={&(0x7f00000005c0)={0x44, r8, 0x10, 0x70bd2c, 0x25dfdbfd, {}, [@BATADV_ATTR_GW_SEL_CLASS={0x8, 0x34, 0x439f61b7}, @BATADV_ATTR_BRIDGE_LOOP_AVOIDANCE_ENABLED={0x5}, @BATADV_ATTR_BRIDGE_LOOP_AVOIDANCE_ENABLED={0x5, 0x2e, 0x1}, @BATADV_ATTR_ISOLATION_MARK={0x8}, @BATADV_ATTR_AP_ISOLATION_ENABLED={0x5, 0x2a, 0x1}, @BATADV_ATTR_ELP_INTERVAL={0x8, 0x3a, 0x6}]}, 0x44}, 0x1, 0x0, 0x0, 0x20000000}, 0x1) sendmsg$NBD_CMD_DISCONNECT(r2, &(0x7f00000004c0)={&(0x7f00000003c0), 0xc, &(0x7f0000000480)={&(0x7f0000000400)={0x28, r4, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_BLOCK_SIZE_BYTES={0xc}, @NBD_ATTR_BACKEND_IDENTIFIER={0x5, 0xa, '^'}]}, 0x28}}, 0x0) sendmsg$NBD_CMD_RECONFIGURE(r1, &(0x7f00000000c0)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x2000000}, 0xc, &(0x7f0000000080)={&(0x7f0000000040)=ANY=[@ANYBLOB, @ANYRES16=r4, @ANYBLOB="140825bd7000fbdbdf25030000000c00060002000000000000000c0003000900000000000000"], 0x2c}, 0x1, 0x0, 0x0, 0x20000000}, 0x0) 08:01:47 executing program 1: syz_open_dev$ndb(&(0x7f00000002c0), 0x0, 0x0) r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000200), r1) sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f0000000200)={0x0, 0x0, &(0x7f00000001c0)={&(0x7f0000000140)={0x48, r2, 0x0, 0x70bd2d, 0x25dfdbfd, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x8}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x25}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}]}, 0x48}, 0x1, 0x0, 0x0, 0x8}, 0x20000000) 08:01:47 executing program 2: r0 = openat$ptmx(0xffffffffffffff9c, &(0x7f0000000040), 0x0, 0x0) ioctl$TIOCGPTPEER(r0, 0x5418, 0xdbb8) 08:01:47 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000200), r1) sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f0000000200)={0x0, 0x0, &(0x7f00000001c0)={&(0x7f0000000140)={0x48, 0x0, 0x1, 0x70bd2d, 0x25dfdbfd, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x8}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x25}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}]}, 0x48}, 0x1, 0x0, 0x0, 0x8}, 0x20000000) 08:01:47 executing program 5: r0 = syz_open_dev$ndb(&(0x7f00000002c0), 0x0, 0x0) ioctl$VT_SETMODE(0xffffffffffffffff, 0x5602, &(0x7f0000000000)={0x62, 0x3, 0x2, 0xc005, 0x7}) ioctl$NBD_SET_SOCK(r0, 0x5421, 0xffffffffffffffff) r1 = syz_open_dev$vcsn(&(0x7f0000000140), 0x1, 0x0) ioctl$MEDIA_IOC_REQUEST_ALLOC(r1, 0x80047c05, &(0x7f0000000180)) r2 = socket$nl_generic(0x10, 0x3, 0x10) r3 = syz_genetlink_get_family_id$batadv(&(0x7f0000000480), 0xffffffffffffffff) r4 = socket$nl_rdma(0x10, 0x3, 0x14) sendmsg$RDMA_NLDEV_CMD_DELLINK(r4, &(0x7f0000000280)={&(0x7f00000001c0), 0xc, &(0x7f0000000240)={&(0x7f0000000200)={0x18, 0x1404, 0x400, 0x525, 0x25dfdbfc, "", [@RDMA_NLDEV_ATTR_DEV_INDEX={0x8, 0x1, 0x2}]}, 0x18}, 0x1, 0x0, 0x0, 0x80}, 0x48010) sendmsg$BATADV_CMD_TP_METER_CANCEL(r2, &(0x7f0000000580)={0x0, 0x0, &(0x7f0000000540)={&(0x7f00000004c0)={0x14, r3, 0x1}, 0x14}}, 0x0) ioctl$ifreq_SIOCGIFINDEX_batadv_hard(0xffffffffffffffff, 0x8933, &(0x7f0000000080)={'batadv_slave_0\x00', 0x0}) sendmsg$BATADV_CMD_GET_VLAN(r1, &(0x7f0000000140)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x800000}, 0xc, &(0x7f0000000100)={&(0x7f00000000c0)={0x24, r3, 0x200, 0x70bd27, 0x25dfdbfd, {}, [@BATADV_ATTR_GW_SEL_CLASS={0x8, 0x34, 0x7ff}, @BATADV_ATTR_HARD_IFINDEX={0x8, 0x6, r5}]}, 0x24}}, 0x40d0) 08:01:47 executing program 1: syz_open_dev$ndb(&(0x7f00000002c0), 0x0, 0x0) r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000200), r1) sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f0000000200)={0x0, 0x0, &(0x7f00000001c0)={&(0x7f0000000140)={0x48, r2, 0x0, 0x70bd2d, 0x25dfdbfd, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x8}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x25}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}]}, 0x48}, 0x1, 0x0, 0x0, 0x8}, 0x20000000) 08:01:47 executing program 4: syz_open_dev$ndb(&(0x7f00000002c0), 0x0, 0x0) r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000200), r1) sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f0000000200)={0x0, 0x0, &(0x7f00000001c0)={&(0x7f0000000140)={0x48, r2, 0x0, 0x70bd2d, 0x25dfdbfd, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x8}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x25}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}]}, 0x48}, 0x1, 0x0, 0x0, 0x8}, 0x20000000) 08:01:47 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000200), r1) sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f0000000200)={0x0, 0x0, &(0x7f00000001c0)={&(0x7f0000000140)={0x48, 0x0, 0x1, 0x70bd2d, 0x25dfdbfd, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x8}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x25}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}]}, 0x48}, 0x1, 0x0, 0x0, 0x8}, 0x20000000) 08:01:47 executing program 2: r0 = openat$ptmx(0xffffffffffffff9c, &(0x7f0000000040), 0x0, 0x0) ioctl$TIOCGPTPEER(r0, 0x541d, 0xdbb8) [ 1269.584107] nbd: must specify an index to disconnect 08:01:47 executing program 0: r0 = syz_open_dev$ndb(&(0x7f00000002c0), 0x0, 0x0) ioctl$NBD_SET_BLKSIZE(r0, 0xab01, 0x3f) ioctl$NBD_SET_SOCK(r0, 0x5452, 0xffffffffffffffff) (async) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) ioctl$NBD_CLEAR_SOCK(0xffffffffffffffff, 0xab04) (async) r4 = syz_genetlink_get_family_id$nbd(&(0x7f0000000200), r3) (async) r5 = socket$nl_generic(0x10, 0x3, 0x10) ioctl$VT_SETMODE(0xffffffffffffffff, 0x5602, &(0x7f0000000240)={0x1b, 0x9, 0x4, 0x3, 0x7}) (async) r6 = syz_genetlink_get_family_id$batadv(&(0x7f0000000480), 0xffffffffffffffff) sendmsg$BATADV_CMD_TP_METER_CANCEL(r5, &(0x7f0000000580)={0x0, 0x0, &(0x7f0000000540)={&(0x7f00000004c0)={0x14, r6, 0x1}, 0x14}}, 0x0) (async) r7 = socket$nl_generic(0x10, 0x3, 0x10) (async) r8 = syz_genetlink_get_family_id$batadv(&(0x7f0000000480), 0xffffffffffffffff) sendmsg$BATADV_CMD_TP_METER_CANCEL(r7, &(0x7f0000000580)={0x0, 0x0, &(0x7f0000000540)={&(0x7f00000004c0)={0x14, r8, 0x1}, 0x14}}, 0x0) sendmsg$BATADV_CMD_GET_TRANSTABLE_GLOBAL(r5, &(0x7f0000000380)={&(0x7f0000000280)={0x10, 0x0, 0x0, 0x800}, 0xc, &(0x7f0000000340)={&(0x7f0000000300)={0x34, r8, 0x800, 0x70bd2c, 0x25dfdbff, {}, [@BATADV_ATTR_GW_BANDWIDTH_UP={0x8, 0x32, 0xe141}, @BATADV_ATTR_VLANID={0x6, 0x28, 0x1}, @BATADV_ATTR_NETWORK_CODING_ENABLED={0x5, 0x38, 0x1}, @BATADV_ATTR_MESH_IFINDEX={0x8}]}, 0x34}, 0x1, 0x0, 0x0, 0x4000}, 0x4000) sendmsg$BATADV_CMD_TP_METER_CANCEL(0xffffffffffffffff, &(0x7f00000001c0)={&(0x7f0000000100)={0x10, 0x0, 0x0, 0x1000000}, 0xc, &(0x7f0000000180)={&(0x7f0000000140)={0x3c, r6, 0x400, 0x70bd29, 0x25dfdbfd, {}, [@BATADV_ATTR_VLANID={0x6, 0x28, 0x2}, @BATADV_ATTR_ISOLATION_MASK={0x8, 0x2c, 0x4}, @BATADV_ATTR_VLANID={0x6, 0x28, 0x4}, @BATADV_ATTR_GW_BANDWIDTH_DOWN={0x8, 0x31, 0x3}, @BATADV_ATTR_DISTRIBUTED_ARP_TABLE_ENABLED={0x5}]}, 0x3c}, 0x1, 0x0, 0x0, 0x10}, 0x40800) r9 = syz_open_dev$vcsn(&(0x7f0000000140), 0x1, 0x0) ioctl$MEDIA_IOC_REQUEST_ALLOC(r9, 0x80047c05, &(0x7f0000000180)) (async) r10 = syz_genetlink_get_family_id$batadv(&(0x7f00000006c0), r5) sendmsg$BATADV_CMD_GET_DAT_CACHE(r9, &(0x7f00000007c0)={&(0x7f0000000680)={0x10, 0x0, 0x0, 0x100}, 0xc, &(0x7f0000000780)={&(0x7f0000000700)={0x68, r10, 0x100, 0x70bd2c, 0x25dfdbff, {}, [@BATADV_ATTR_AGGREGATED_OGMS_ENABLED={0x5}, @BATADV_ATTR_MESH_IFINDEX={0x8}, @BATADV_ATTR_VLANID={0x6, 0x28, 0x2}, @BATADV_ATTR_DISTRIBUTED_ARP_TABLE_ENABLED={0x5, 0x2f, 0x1}, @BATADV_ATTR_VLANID={0x6, 0x28, 0x4}, @BATADV_ATTR_AP_ISOLATION_ENABLED={0x5, 0x2a, 0x1}, @BATADV_ATTR_ISOLATION_MARK={0x8, 0x2b, 0x1}, @BATADV_ATTR_DISTRIBUTED_ARP_TABLE_ENABLED={0x5, 0x2f, 0x1}, @BATADV_ATTR_MULTICAST_FANOUT={0x8, 0x3c, 0x15}, @BATADV_ATTR_ORIG_ADDRESS={0xa, 0x9, @remote}]}, 0x68}, 0x1, 0x0, 0x0, 0x24000004}, 0x800) sendmsg$BATADV_CMD_GET_TRANSTABLE_LOCAL(r7, &(0x7f0000000640)={&(0x7f0000000440)={0x10, 0x0, 0x0, 0xc61d55ec73b345c7}, 0xc, &(0x7f0000000500)={&(0x7f00000005c0)={0x44, r8, 0x10, 0x70bd2c, 0x25dfdbfd, {}, [@BATADV_ATTR_GW_SEL_CLASS={0x8, 0x34, 0x439f61b7}, @BATADV_ATTR_BRIDGE_LOOP_AVOIDANCE_ENABLED={0x5}, @BATADV_ATTR_BRIDGE_LOOP_AVOIDANCE_ENABLED={0x5, 0x2e, 0x1}, @BATADV_ATTR_ISOLATION_MARK={0x8}, @BATADV_ATTR_AP_ISOLATION_ENABLED={0x5, 0x2a, 0x1}, @BATADV_ATTR_ELP_INTERVAL={0x8, 0x3a, 0x6}]}, 0x44}, 0x1, 0x0, 0x0, 0x20000000}, 0x1) (async) sendmsg$NBD_CMD_DISCONNECT(r2, &(0x7f00000004c0)={&(0x7f00000003c0), 0xc, &(0x7f0000000480)={&(0x7f0000000400)={0x28, r4, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_BLOCK_SIZE_BYTES={0xc}, @NBD_ATTR_BACKEND_IDENTIFIER={0x5, 0xa, '^'}]}, 0x28}}, 0x0) (async) sendmsg$NBD_CMD_RECONFIGURE(r1, &(0x7f00000000c0)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x2000000}, 0xc, &(0x7f0000000080)={&(0x7f0000000040)=ANY=[@ANYBLOB, @ANYRES16=r4, @ANYBLOB="140825bd7000fbdbdf25030000000c00060002000000000000000c0003000900000000000000"], 0x2c}, 0x1, 0x0, 0x0, 0x20000000}, 0x0) 08:01:47 executing program 5: r0 = syz_open_dev$ndb(&(0x7f00000002c0), 0x0, 0x0) ioctl$VT_SETMODE(0xffffffffffffffff, 0x5602, &(0x7f0000000000)={0x62, 0x3, 0x2, 0xc005, 0x7}) (async) ioctl$NBD_SET_SOCK(r0, 0x5421, 0xffffffffffffffff) (async, rerun: 32) r1 = syz_open_dev$vcsn(&(0x7f0000000140), 0x1, 0x0) (rerun: 32) ioctl$MEDIA_IOC_REQUEST_ALLOC(r1, 0x80047c05, &(0x7f0000000180)) r2 = socket$nl_generic(0x10, 0x3, 0x10) (async, rerun: 32) r3 = syz_genetlink_get_family_id$batadv(&(0x7f0000000480), 0xffffffffffffffff) (async, rerun: 32) r4 = socket$nl_rdma(0x10, 0x3, 0x14) sendmsg$RDMA_NLDEV_CMD_DELLINK(r4, &(0x7f0000000280)={&(0x7f00000001c0), 0xc, &(0x7f0000000240)={&(0x7f0000000200)={0x18, 0x1404, 0x400, 0x525, 0x25dfdbfc, "", [@RDMA_NLDEV_ATTR_DEV_INDEX={0x8, 0x1, 0x2}]}, 0x18}, 0x1, 0x0, 0x0, 0x80}, 0x48010) (async) sendmsg$BATADV_CMD_TP_METER_CANCEL(r2, &(0x7f0000000580)={0x0, 0x0, &(0x7f0000000540)={&(0x7f00000004c0)={0x14, r3, 0x1}, 0x14}}, 0x0) (async) ioctl$ifreq_SIOCGIFINDEX_batadv_hard(0xffffffffffffffff, 0x8933, &(0x7f0000000080)={'batadv_slave_0\x00', 0x0}) sendmsg$BATADV_CMD_GET_VLAN(r1, &(0x7f0000000140)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x800000}, 0xc, &(0x7f0000000100)={&(0x7f00000000c0)={0x24, r3, 0x200, 0x70bd27, 0x25dfdbfd, {}, [@BATADV_ATTR_GW_SEL_CLASS={0x8, 0x34, 0x7ff}, @BATADV_ATTR_HARD_IFINDEX={0x8, 0x6, r5}]}, 0x24}}, 0x40d0) 08:01:47 executing program 1: syz_open_dev$ndb(&(0x7f00000002c0), 0x0, 0x0) r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000200), r1) sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f0000000200)={0x0, 0x0, &(0x7f00000001c0)={&(0x7f0000000140)={0x48, r2, 0x1, 0x0, 0x25dfdbfd, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x8}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x25}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}]}, 0x48}, 0x1, 0x0, 0x0, 0x8}, 0x20000000) 08:01:47 executing program 4: syz_open_dev$ndb(&(0x7f00000002c0), 0x0, 0x0) r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000200), r1) sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f0000000200)={0x0, 0x0, &(0x7f00000001c0)={&(0x7f0000000140)={0x48, r2, 0x1, 0x70bd2d, 0x25dfdbfd, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x8}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x25}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}]}, 0x48}, 0x1, 0x0, 0x0, 0x8}, 0x20000000) 08:01:47 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000200), r1) sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f0000000200)={0x0, 0x0, &(0x7f00000001c0)={&(0x7f0000000140)={0x48, r2, 0x0, 0x70bd2d, 0x25dfdbfd, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x8}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x25}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}]}, 0x48}, 0x1, 0x0, 0x0, 0x8}, 0x20000000) 08:01:47 executing program 2: r0 = openat$ptmx(0xffffffffffffff9c, &(0x7f0000000040), 0x0, 0x0) ioctl$TIOCGPTPEER(r0, 0x541e, 0xdbb8) 08:01:47 executing program 1: syz_open_dev$ndb(&(0x7f00000002c0), 0x0, 0x0) r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000200), r1) sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f0000000200)={0x0, 0x0, &(0x7f00000001c0)={&(0x7f0000000140)={0x48, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x8}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x25}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}]}, 0x48}, 0x1, 0x0, 0x0, 0x8}, 0x20000000) [ 1269.737929] block nbd1: not configured, cannot reconfigure [ 1269.767282] nbd: must specify an index to disconnect 08:01:47 executing program 0: r0 = syz_open_dev$ndb(&(0x7f00000002c0), 0x0, 0x0) ioctl$NBD_SET_BLKSIZE(r0, 0xab01, 0x3f) (async) ioctl$NBD_SET_SOCK(r0, 0x5452, 0xffffffffffffffff) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) ioctl$NBD_CLEAR_SOCK(0xffffffffffffffff, 0xab04) r4 = syz_genetlink_get_family_id$nbd(&(0x7f0000000200), r3) r5 = socket$nl_generic(0x10, 0x3, 0x10) (async) ioctl$VT_SETMODE(0xffffffffffffffff, 0x5602, &(0x7f0000000240)={0x1b, 0x9, 0x4, 0x3, 0x7}) (async, rerun: 32) r6 = syz_genetlink_get_family_id$batadv(&(0x7f0000000480), 0xffffffffffffffff) (rerun: 32) sendmsg$BATADV_CMD_TP_METER_CANCEL(r5, &(0x7f0000000580)={0x0, 0x0, &(0x7f0000000540)={&(0x7f00000004c0)={0x14, r6, 0x1}, 0x14}}, 0x0) r7 = socket$nl_generic(0x10, 0x3, 0x10) (async) r8 = syz_genetlink_get_family_id$batadv(&(0x7f0000000480), 0xffffffffffffffff) sendmsg$BATADV_CMD_TP_METER_CANCEL(r7, &(0x7f0000000580)={0x0, 0x0, &(0x7f0000000540)={&(0x7f00000004c0)={0x14, r8, 0x1}, 0x14}}, 0x0) (async) sendmsg$BATADV_CMD_GET_TRANSTABLE_GLOBAL(r5, &(0x7f0000000380)={&(0x7f0000000280)={0x10, 0x0, 0x0, 0x800}, 0xc, &(0x7f0000000340)={&(0x7f0000000300)={0x34, r8, 0x800, 0x70bd2c, 0x25dfdbff, {}, [@BATADV_ATTR_GW_BANDWIDTH_UP={0x8, 0x32, 0xe141}, @BATADV_ATTR_VLANID={0x6, 0x28, 0x1}, @BATADV_ATTR_NETWORK_CODING_ENABLED={0x5, 0x38, 0x1}, @BATADV_ATTR_MESH_IFINDEX={0x8}]}, 0x34}, 0x1, 0x0, 0x0, 0x4000}, 0x4000) (async) sendmsg$BATADV_CMD_TP_METER_CANCEL(0xffffffffffffffff, &(0x7f00000001c0)={&(0x7f0000000100)={0x10, 0x0, 0x0, 0x1000000}, 0xc, &(0x7f0000000180)={&(0x7f0000000140)={0x3c, r6, 0x400, 0x70bd29, 0x25dfdbfd, {}, [@BATADV_ATTR_VLANID={0x6, 0x28, 0x2}, @BATADV_ATTR_ISOLATION_MASK={0x8, 0x2c, 0x4}, @BATADV_ATTR_VLANID={0x6, 0x28, 0x4}, @BATADV_ATTR_GW_BANDWIDTH_DOWN={0x8, 0x31, 0x3}, @BATADV_ATTR_DISTRIBUTED_ARP_TABLE_ENABLED={0x5}]}, 0x3c}, 0x1, 0x0, 0x0, 0x10}, 0x40800) (async) r9 = syz_open_dev$vcsn(&(0x7f0000000140), 0x1, 0x0) ioctl$MEDIA_IOC_REQUEST_ALLOC(r9, 0x80047c05, &(0x7f0000000180)) (async) r10 = syz_genetlink_get_family_id$batadv(&(0x7f00000006c0), r5) sendmsg$BATADV_CMD_GET_DAT_CACHE(r9, &(0x7f00000007c0)={&(0x7f0000000680)={0x10, 0x0, 0x0, 0x100}, 0xc, &(0x7f0000000780)={&(0x7f0000000700)={0x68, r10, 0x100, 0x70bd2c, 0x25dfdbff, {}, [@BATADV_ATTR_AGGREGATED_OGMS_ENABLED={0x5}, @BATADV_ATTR_MESH_IFINDEX={0x8}, @BATADV_ATTR_VLANID={0x6, 0x28, 0x2}, @BATADV_ATTR_DISTRIBUTED_ARP_TABLE_ENABLED={0x5, 0x2f, 0x1}, @BATADV_ATTR_VLANID={0x6, 0x28, 0x4}, @BATADV_ATTR_AP_ISOLATION_ENABLED={0x5, 0x2a, 0x1}, @BATADV_ATTR_ISOLATION_MARK={0x8, 0x2b, 0x1}, @BATADV_ATTR_DISTRIBUTED_ARP_TABLE_ENABLED={0x5, 0x2f, 0x1}, @BATADV_ATTR_MULTICAST_FANOUT={0x8, 0x3c, 0x15}, @BATADV_ATTR_ORIG_ADDRESS={0xa, 0x9, @remote}]}, 0x68}, 0x1, 0x0, 0x0, 0x24000004}, 0x800) (async, rerun: 64) sendmsg$BATADV_CMD_GET_TRANSTABLE_LOCAL(r7, &(0x7f0000000640)={&(0x7f0000000440)={0x10, 0x0, 0x0, 0xc61d55ec73b345c7}, 0xc, &(0x7f0000000500)={&(0x7f00000005c0)={0x44, r8, 0x10, 0x70bd2c, 0x25dfdbfd, {}, [@BATADV_ATTR_GW_SEL_CLASS={0x8, 0x34, 0x439f61b7}, @BATADV_ATTR_BRIDGE_LOOP_AVOIDANCE_ENABLED={0x5}, @BATADV_ATTR_BRIDGE_LOOP_AVOIDANCE_ENABLED={0x5, 0x2e, 0x1}, @BATADV_ATTR_ISOLATION_MARK={0x8}, @BATADV_ATTR_AP_ISOLATION_ENABLED={0x5, 0x2a, 0x1}, @BATADV_ATTR_ELP_INTERVAL={0x8, 0x3a, 0x6}]}, 0x44}, 0x1, 0x0, 0x0, 0x20000000}, 0x1) (rerun: 64) sendmsg$NBD_CMD_DISCONNECT(r2, &(0x7f00000004c0)={&(0x7f00000003c0), 0xc, &(0x7f0000000480)={&(0x7f0000000400)={0x28, r4, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_BLOCK_SIZE_BYTES={0xc}, @NBD_ATTR_BACKEND_IDENTIFIER={0x5, 0xa, '^'}]}, 0x28}}, 0x0) (async, rerun: 32) sendmsg$NBD_CMD_RECONFIGURE(r1, &(0x7f00000000c0)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x2000000}, 0xc, &(0x7f0000000080)={&(0x7f0000000040)=ANY=[@ANYBLOB, @ANYRES16=r4, @ANYBLOB="140825bd7000fbdbdf25030000000c00060002000000000000000c0003000900000000000000"], 0x2c}, 0x1, 0x0, 0x0, 0x20000000}, 0x0) (rerun: 32) 08:01:47 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000200), r1) sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f0000000200)={0x0, 0x0, &(0x7f00000001c0)={&(0x7f0000000140)={0x48, r2, 0x0, 0x70bd2d, 0x25dfdbfd, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x8}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x25}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}]}, 0x48}, 0x1, 0x0, 0x0, 0x8}, 0x20000000) 08:01:47 executing program 4: syz_open_dev$ndb(&(0x7f00000002c0), 0x0, 0x0) r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000200), r1) sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f0000000200)={0x0, 0x0, &(0x7f00000001c0)={&(0x7f0000000140)={0x48, r2, 0x1, 0x70bd2d, 0x25dfdbfd, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x8}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x25}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}]}, 0x48}, 0x1, 0x0, 0x0, 0x8}, 0x20000000) [ 1269.802895] block nbd4: not configured, cannot reconfigure 08:01:47 executing program 2: r0 = openat$ptmx(0xffffffffffffff9c, &(0x7f0000000040), 0x0, 0x0) ioctl$TIOCGPTPEER(r0, 0x5421, 0xdbb8) 08:01:47 executing program 5: r0 = syz_open_dev$ndb(&(0x7f00000002c0), 0x0, 0x0) (async) ioctl$VT_SETMODE(0xffffffffffffffff, 0x5602, &(0x7f0000000000)={0x62, 0x3, 0x2, 0xc005, 0x7}) ioctl$NBD_SET_SOCK(r0, 0x5421, 0xffffffffffffffff) r1 = syz_open_dev$vcsn(&(0x7f0000000140), 0x1, 0x0) ioctl$MEDIA_IOC_REQUEST_ALLOC(r1, 0x80047c05, &(0x7f0000000180)) (async) r2 = socket$nl_generic(0x10, 0x3, 0x10) (async) r3 = syz_genetlink_get_family_id$batadv(&(0x7f0000000480), 0xffffffffffffffff) (async, rerun: 32) r4 = socket$nl_rdma(0x10, 0x3, 0x14) (rerun: 32) sendmsg$RDMA_NLDEV_CMD_DELLINK(r4, &(0x7f0000000280)={&(0x7f00000001c0), 0xc, &(0x7f0000000240)={&(0x7f0000000200)={0x18, 0x1404, 0x400, 0x525, 0x25dfdbfc, "", [@RDMA_NLDEV_ATTR_DEV_INDEX={0x8, 0x1, 0x2}]}, 0x18}, 0x1, 0x0, 0x0, 0x80}, 0x48010) (async) sendmsg$BATADV_CMD_TP_METER_CANCEL(r2, &(0x7f0000000580)={0x0, 0x0, &(0x7f0000000540)={&(0x7f00000004c0)={0x14, r3, 0x1}, 0x14}}, 0x0) (async) ioctl$ifreq_SIOCGIFINDEX_batadv_hard(0xffffffffffffffff, 0x8933, &(0x7f0000000080)={'batadv_slave_0\x00', 0x0}) sendmsg$BATADV_CMD_GET_VLAN(r1, &(0x7f0000000140)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x800000}, 0xc, &(0x7f0000000100)={&(0x7f00000000c0)={0x24, r3, 0x200, 0x70bd27, 0x25dfdbfd, {}, [@BATADV_ATTR_GW_SEL_CLASS={0x8, 0x34, 0x7ff}, @BATADV_ATTR_HARD_IFINDEX={0x8, 0x6, r5}]}, 0x24}}, 0x40d0) [ 1269.896187] block nbd1: not configured, cannot reconfigure 08:01:47 executing program 1: syz_open_dev$ndb(&(0x7f00000002c0), 0x0, 0x0) r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000200), r1) sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f0000000200)={0x0, 0x0, &(0x7f00000001c0)={&(0x7f0000000140)={0x3c, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x8}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x25}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x3c}, 0x1, 0x0, 0x0, 0x8}, 0x20000000) 08:01:47 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000200), r1) sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f0000000200)={0x0, 0x0, &(0x7f00000001c0)={&(0x7f0000000140)={0x48, r2, 0x0, 0x70bd2d, 0x25dfdbfd, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x8}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x25}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}]}, 0x48}, 0x1, 0x0, 0x0, 0x8}, 0x20000000) 08:01:47 executing program 2: r0 = openat$ptmx(0xffffffffffffff9c, &(0x7f0000000040), 0x0, 0x0) ioctl$TIOCGPTPEER(r0, 0x5423, 0xdbb8) [ 1269.936492] block nbd4: not configured, cannot reconfigure 08:01:47 executing program 4: syz_open_dev$ndb(&(0x7f00000002c0), 0x0, 0x0) r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000200), r1) sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f0000000200)={0x0, 0x0, &(0x7f00000001c0)={&(0x7f0000000140)={0x48, r2, 0x1, 0x70bd2d, 0x25dfdbfd, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x8}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x25}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}]}, 0x48}, 0x1, 0x0, 0x0, 0x8}, 0x20000000) [ 1269.988413] nbd: must specify an index to disconnect [ 1269.999494] nbd: must specify an index to disconnect [ 1270.023556] nbd: must specify an index to disconnect 08:01:47 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000200), r1) sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f0000000200)={0x0, 0x0, &(0x7f00000001c0)={&(0x7f0000000140)={0x48, r2, 0x1, 0x0, 0x25dfdbfd, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x8}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x25}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}]}, 0x48}, 0x1, 0x0, 0x0, 0x8}, 0x20000000) [ 1270.034897] block nbd1: not configured, cannot reconfigure [ 1270.053274] nbd: must specify an index to disconnect 08:01:47 executing program 2: r0 = openat$ptmx(0xffffffffffffff9c, &(0x7f0000000040), 0x0, 0x0) ioctl$TIOCGPTPEER(r0, 0x5424, 0xdbb8) 08:01:47 executing program 1: syz_open_dev$ndb(&(0x7f00000002c0), 0x0, 0x0) r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000200), r1) sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f0000000200)={0x0, 0x0, &(0x7f00000001c0)={&(0x7f0000000140)={0x34, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x8}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x25}]}, 0x34}, 0x1, 0x0, 0x0, 0x8}, 0x20000000) [ 1270.092440] nbd: must specify an index to disconnect [ 1270.120575] nbd: must specify an index to disconnect [ 1270.132750] block nbd4: not configured, cannot reconfigure [ 1270.140473] nbd: must specify an index to disconnect [ 1270.156029] nbd: must specify an index to disconnect [ 1270.164174] block nbd3: not configured, cannot reconfigure [ 1270.173794] nbd: must specify an index to disconnect [ 1270.196377] nbd: must specify an index to disconnect [ 1270.204640] nbd: must specify an index to disconnect [ 1270.217195] block nbd1: not configured, cannot reconfigure [ 1270.224811] nbd: must specify an index to disconnect [ 1270.242032] nbd: must specify an index to disconnect [ 1270.249562] nbd: must specify an index to disconnect [ 1270.259837] nbd: must specify an index to disconnect [ 1270.265660] nbd: must specify an index to disconnect [ 1270.272237] nbd: must specify an index to disconnect [ 1270.277513] nbd: must specify an index to disconnect [ 1270.285582] nbd: must specify an index to disconnect [ 1270.292392] nbd: must specify an index to disconnect [ 1270.297672] nbd: must specify an index to disconnect [ 1270.306322] nbd: must specify an index to disconnect [ 1270.316176] nbd: must specify an index to disconnect [ 1270.324848] nbd: must specify an index to disconnect [ 1270.334285] nbd: must specify an index to disconnect 08:01:47 executing program 0: r0 = syz_open_dev$ndb(&(0x7f00000002c0), 0x0, 0x0) ioctl$NBD_SET_SOCK(r0, 0x5452, 0xffffffffffffffff) getsockopt$bt_BT_VOICE(0xffffffffffffffff, 0x112, 0xb, &(0x7f0000000000)=0x1, &(0x7f0000000040)=0x2) 08:01:47 executing program 5: syz_open_dev$ndb(&(0x7f00000002c0), 0x0, 0x0) r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x125201) ioctl$AUTOFS_DEV_IOCTL_PROTOVER(0xffffffffffffffff, 0xc0189372, &(0x7f0000000040)={{0x1, 0x1, 0x18, r0, {0x1}}, './file0\x00'}) ioctl$NBD_SET_BLKSIZE(r1, 0xab01, 0x6) ioctl$NBD_SET_SOCK(r0, 0x5421, 0xffffffffffffffff) ioctl$KDSIGACCEPT(r1, 0x4b4e, 0x18) 08:01:47 executing program 4: syz_open_dev$ndb(&(0x7f00000002c0), 0x0, 0x0) r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f0000000200)={0x0, 0x0, &(0x7f00000001c0)={&(0x7f0000000140)={0x48, 0x0, 0x1, 0x70bd2d, 0x25dfdbfd, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x8}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x25}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}]}, 0x48}, 0x1, 0x0, 0x0, 0x8}, 0x20000000) 08:01:47 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000200), r1) sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f0000000200)={0x0, 0x0, &(0x7f00000001c0)={&(0x7f0000000140)={0x48, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x8}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x25}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}]}, 0x48}, 0x1, 0x0, 0x0, 0x8}, 0x20000000) 08:01:47 executing program 2: r0 = openat$ptmx(0xffffffffffffff9c, &(0x7f0000000040), 0x0, 0x0) ioctl$TIOCGPTPEER(r0, 0x5425, 0xdbb8) 08:01:47 executing program 1: syz_open_dev$ndb(&(0x7f00000002c0), 0x0, 0x0) r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000200), r1) sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f0000000200)={0x0, 0x0, &(0x7f00000001c0)={&(0x7f0000000140)={0x28, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x8}]}, 0x28}, 0x1, 0x0, 0x0, 0x8}, 0x20000000) [ 1270.344024] nbd: must specify an index to disconnect [ 1270.352311] nbd: must specify an index to disconnect [ 1270.357522] nbd: must specify an index to disconnect [ 1270.363536] nbd: must specify an index to disconnect [ 1270.369490] nbd: must specify an index to disconnect [ 1270.374806] nbd: must specify an index to disconnect [ 1270.380791] nbd: must specify an index to disconnect [ 1270.386362] nbd: must specify an index to disconnect 08:01:48 executing program 0: r0 = syz_open_dev$ndb(&(0x7f00000002c0), 0x0, 0x0) ioctl$NBD_SET_SOCK(r0, 0x5452, 0xffffffffffffffff) (async) getsockopt$bt_BT_VOICE(0xffffffffffffffff, 0x112, 0xb, &(0x7f0000000000)=0x1, &(0x7f0000000040)=0x2) 08:01:48 executing program 4: syz_open_dev$ndb(&(0x7f00000002c0), 0x0, 0x0) r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f0000000200)={0x0, 0x0, &(0x7f00000001c0)={&(0x7f0000000140)={0x48, 0x0, 0x1, 0x70bd2d, 0x25dfdbfd, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x8}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x25}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}]}, 0x48}, 0x1, 0x0, 0x0, 0x8}, 0x20000000) 08:01:48 executing program 2: r0 = openat$ptmx(0xffffffffffffff9c, &(0x7f0000000040), 0x0, 0x0) ioctl$TIOCGPTPEER(r0, 0x5427, 0xdbb8) 08:01:48 executing program 5: syz_open_dev$ndb(&(0x7f00000002c0), 0x0, 0x0) (async) r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x125201) ioctl$AUTOFS_DEV_IOCTL_PROTOVER(0xffffffffffffffff, 0xc0189372, &(0x7f0000000040)={{0x1, 0x1, 0x18, r0, {0x1}}, './file0\x00'}) ioctl$NBD_SET_BLKSIZE(r1, 0xab01, 0x6) (async) ioctl$NBD_SET_SOCK(r0, 0x5421, 0xffffffffffffffff) (async) ioctl$KDSIGACCEPT(r1, 0x4b4e, 0x18) [ 1270.493596] block nbd3: not configured, cannot reconfigure 08:01:48 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000200), r1) sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f0000000200)={0x0, 0x0, &(0x7f00000001c0)={&(0x7f0000000140)={0x3c, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x8}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x25}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x3c}, 0x1, 0x0, 0x0, 0x8}, 0x20000000) 08:01:48 executing program 4: syz_open_dev$ndb(&(0x7f00000002c0), 0x0, 0x0) r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f0000000200)={0x0, 0x0, &(0x7f00000001c0)={&(0x7f0000000140)={0x48, 0x0, 0x1, 0x70bd2d, 0x25dfdbfd, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x8}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x25}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}]}, 0x48}, 0x1, 0x0, 0x0, 0x8}, 0x20000000) 08:01:48 executing program 1: syz_open_dev$ndb(&(0x7f00000002c0), 0x0, 0x0) r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000200), r1) sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f0000000200)={0x0, 0x0, &(0x7f00000001c0)={&(0x7f0000000140)={0x1c, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x1c}, 0x1, 0x0, 0x0, 0x8}, 0x20000000) [ 1270.535750] block nbd1: not configured, cannot reconfigure 08:01:48 executing program 0: r0 = syz_open_dev$ndb(&(0x7f00000002c0), 0x0, 0x0) ioctl$NBD_SET_SOCK(r0, 0x5452, 0xffffffffffffffff) getsockopt$bt_BT_VOICE(0xffffffffffffffff, 0x112, 0xb, &(0x7f0000000000)=0x1, &(0x7f0000000040)=0x2) 08:01:48 executing program 2: r0 = openat$ptmx(0xffffffffffffff9c, &(0x7f0000000040), 0x0, 0x0) ioctl$TIOCGPTPEER(r0, 0x5428, 0xdbb8) 08:01:48 executing program 5: syz_open_dev$ndb(&(0x7f00000002c0), 0x0, 0x0) r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x125201) ioctl$AUTOFS_DEV_IOCTL_PROTOVER(0xffffffffffffffff, 0xc0189372, &(0x7f0000000040)={{0x1, 0x1, 0x18, r0, {0x1}}, './file0\x00'}) ioctl$NBD_SET_BLKSIZE(r1, 0xab01, 0x6) ioctl$NBD_SET_SOCK(r0, 0x5421, 0xffffffffffffffff) ioctl$KDSIGACCEPT(r1, 0x4b4e, 0x18) syz_open_dev$ndb(&(0x7f00000002c0), 0x0, 0x0) (async) syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x125201) (async) ioctl$AUTOFS_DEV_IOCTL_PROTOVER(0xffffffffffffffff, 0xc0189372, &(0x7f0000000040)={{0x1, 0x1, 0x18, r0, {0x1}}, './file0\x00'}) (async) ioctl$NBD_SET_BLKSIZE(r1, 0xab01, 0x6) (async) ioctl$NBD_SET_SOCK(r0, 0x5421, 0xffffffffffffffff) (async) ioctl$KDSIGACCEPT(r1, 0x4b4e, 0x18) (async) 08:01:48 executing program 0: r0 = syz_open_dev$ndb(&(0x7f00000002c0), 0x0, 0x0) ioctl$NBD_CLEAR_QUE(r0, 0xab05) ioctl$NBD_SET_SOCK(r0, 0x5452, 0xffffffffffffffff) r1 = open(&(0x7f0000000000)='./file0\x00', 0x420000, 0x80) ioctl$NBD_SET_SOCK(r1, 0xab00, 0xffffffffffffffff) 08:01:48 executing program 4: syz_open_dev$ndb(&(0x7f00000002c0), 0x0, 0x0) r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000200), 0xffffffffffffffff) sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f0000000200)={0x0, 0x0, &(0x7f00000001c0)={&(0x7f0000000140)={0x48, r1, 0x1, 0x70bd2d, 0x25dfdbfd, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x8}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x25}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}]}, 0x48}, 0x1, 0x0, 0x0, 0x8}, 0x20000000) 08:01:48 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000200), r1) sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f0000000200)={0x0, 0x0, &(0x7f00000001c0)={&(0x7f0000000140)={0x34, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x8}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x25}]}, 0x34}, 0x1, 0x0, 0x0, 0x8}, 0x20000000) [ 1270.651360] block nbd3: not configured, cannot reconfigure [ 1270.685007] block nbd1: not configured, cannot reconfigure 08:01:48 executing program 2: r0 = openat$ptmx(0xffffffffffffff9c, &(0x7f0000000040), 0x0, 0x0) ioctl$TIOCGPTPEER(r0, 0x5437, 0xdbb8) 08:01:48 executing program 1: syz_open_dev$ndb(&(0x7f00000002c0), 0x0, 0x0) r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000200), r1) sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f0000000200)={0x0, 0x0, &(0x7f00000001c0)={&(0x7f0000000140)={0x14, r2, 0x1}, 0x14}, 0x1, 0x0, 0x0, 0x8}, 0x20000000) 08:01:48 executing program 4: syz_open_dev$ndb(&(0x7f00000002c0), 0x0, 0x0) r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000200), 0xffffffffffffffff) sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f0000000200)={0x0, 0x0, &(0x7f00000001c0)={&(0x7f0000000140)={0x48, r1, 0x1, 0x70bd2d, 0x25dfdbfd, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x8}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x25}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}]}, 0x48}, 0x1, 0x0, 0x0, 0x8}, 0x20000000) 08:01:48 executing program 0: r0 = syz_open_dev$ndb(&(0x7f00000002c0), 0x0, 0x0) ioctl$NBD_CLEAR_QUE(r0, 0xab05) ioctl$NBD_SET_SOCK(r0, 0x5452, 0xffffffffffffffff) r1 = open(&(0x7f0000000000)='./file0\x00', 0x420000, 0x80) ioctl$NBD_SET_SOCK(r1, 0xab00, 0xffffffffffffffff) (async) ioctl$NBD_SET_SOCK(r1, 0xab00, 0xffffffffffffffff) 08:01:48 executing program 5: sendmsg$BATADV_CMD_GET_GATEWAYS(0xffffffffffffffff, &(0x7f0000000100)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x80000}, 0xc, &(0x7f00000000c0)={&(0x7f0000000040)={0x44, 0x0, 0x400, 0x70bd25, 0x25dfdbfb, {}, [@BATADV_ATTR_MULTICAST_FANOUT={0x8, 0x3c, 0x35}, @BATADV_ATTR_ORIG_INTERVAL={0x8, 0x39, 0x2}, @BATADV_ATTR_BRIDGE_LOOP_AVOIDANCE_ENABLED={0x5, 0x2e, 0x1}, @BATADV_ATTR_AGGREGATED_OGMS_ENABLED={0x5}, @BATADV_ATTR_AP_ISOLATION_ENABLED={0x5}, @BATADV_ATTR_MULTICAST_FANOUT={0x8, 0x3c, 0x5}]}, 0x44}, 0x1, 0x0, 0x0, 0x1}, 0x890) r0 = syz_open_dev$ndb(&(0x7f00000002c0), 0x0, 0x0) ioctl$NBD_SET_SOCK(r0, 0x5421, 0xffffffffffffffff) openat$fuse(0xffffffffffffff9c, &(0x7f0000000140), 0x2, 0x0) 08:01:48 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000200), r1) sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f0000000200)={0x0, 0x0, &(0x7f00000001c0)={&(0x7f0000000140)={0x28, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x8}]}, 0x28}, 0x1, 0x0, 0x0, 0x8}, 0x20000000) 08:01:48 executing program 2: r0 = openat$ptmx(0xffffffffffffff9c, &(0x7f0000000040), 0x0, 0x0) ioctl$TIOCGPTPEER(r0, 0x5450, 0xdbb8) [ 1270.804978] block nbd3: not configured, cannot reconfigure [ 1270.818100] nbd: must specify a device to reconfigure 08:01:48 executing program 1: syz_open_dev$ndb(&(0x7f00000002c0), 0x0, 0x0) r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000200), r1) sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f0000000200)={0x0, 0x0, &(0x7f00000001c0)={&(0x7f0000000140)={0x14, r2, 0x1}, 0x14}, 0x1, 0x0, 0x0, 0x8}, 0x20000000) 08:01:48 executing program 4: syz_open_dev$ndb(&(0x7f00000002c0), 0x0, 0x0) r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000200), 0xffffffffffffffff) sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f0000000200)={0x0, 0x0, &(0x7f00000001c0)={&(0x7f0000000140)={0x48, r1, 0x1, 0x70bd2d, 0x25dfdbfd, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x8}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x25}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}]}, 0x48}, 0x1, 0x0, 0x0, 0x8}, 0x20000000) 08:01:48 executing program 5: sendmsg$BATADV_CMD_GET_GATEWAYS(0xffffffffffffffff, &(0x7f0000000100)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x80000}, 0xc, &(0x7f00000000c0)={&(0x7f0000000040)={0x44, 0x0, 0x400, 0x70bd25, 0x25dfdbfb, {}, [@BATADV_ATTR_MULTICAST_FANOUT={0x8, 0x3c, 0x35}, @BATADV_ATTR_ORIG_INTERVAL={0x8, 0x39, 0x2}, @BATADV_ATTR_BRIDGE_LOOP_AVOIDANCE_ENABLED={0x5, 0x2e, 0x1}, @BATADV_ATTR_AGGREGATED_OGMS_ENABLED={0x5}, @BATADV_ATTR_AP_ISOLATION_ENABLED={0x5}, @BATADV_ATTR_MULTICAST_FANOUT={0x8, 0x3c, 0x5}]}, 0x44}, 0x1, 0x0, 0x0, 0x1}, 0x890) (async) r0 = syz_open_dev$ndb(&(0x7f00000002c0), 0x0, 0x0) ioctl$NBD_SET_SOCK(r0, 0x5421, 0xffffffffffffffff) openat$fuse(0xffffffffffffff9c, &(0x7f0000000140), 0x2, 0x0) 08:01:48 executing program 0: r0 = syz_open_dev$ndb(&(0x7f00000002c0), 0x0, 0x0) ioctl$NBD_CLEAR_QUE(r0, 0xab05) ioctl$NBD_SET_SOCK(r0, 0x5452, 0xffffffffffffffff) r1 = open(&(0x7f0000000000)='./file0\x00', 0x420000, 0x80) ioctl$NBD_SET_SOCK(r1, 0xab00, 0xffffffffffffffff) [ 1270.915782] block nbd3: not configured, cannot reconfigure 08:01:48 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000200), r1) sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f0000000200)={0x0, 0x0, &(0x7f00000001c0)={&(0x7f0000000140)={0x1c, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x1c}, 0x1, 0x0, 0x0, 0x8}, 0x20000000) 08:01:48 executing program 2: r0 = openat$ptmx(0xffffffffffffff9c, &(0x7f0000000040), 0x0, 0x0) ioctl$TIOCGPTPEER(r0, 0x5451, 0xdbb8) 08:01:48 executing program 1: syz_open_dev$ndb(&(0x7f00000002c0), 0x0, 0x0) r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000200), r1) sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f0000000200)={0x0, 0x0, &(0x7f00000001c0)={&(0x7f0000000140)={0x14, r2, 0x1}, 0x14}, 0x1, 0x0, 0x0, 0x8}, 0x20000000) [ 1270.963437] nbd: must specify a device to reconfigure 08:01:48 executing program 5: sendmsg$BATADV_CMD_GET_GATEWAYS(0xffffffffffffffff, &(0x7f0000000100)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x80000}, 0xc, &(0x7f00000000c0)={&(0x7f0000000040)={0x44, 0x0, 0x400, 0x70bd25, 0x25dfdbfb, {}, [@BATADV_ATTR_MULTICAST_FANOUT={0x8, 0x3c, 0x35}, @BATADV_ATTR_ORIG_INTERVAL={0x8, 0x39, 0x2}, @BATADV_ATTR_BRIDGE_LOOP_AVOIDANCE_ENABLED={0x5, 0x2e, 0x1}, @BATADV_ATTR_AGGREGATED_OGMS_ENABLED={0x5}, @BATADV_ATTR_AP_ISOLATION_ENABLED={0x5}, @BATADV_ATTR_MULTICAST_FANOUT={0x8, 0x3c, 0x5}]}, 0x44}, 0x1, 0x0, 0x0, 0x1}, 0x890) (async) r0 = syz_open_dev$ndb(&(0x7f00000002c0), 0x0, 0x0) ioctl$NBD_SET_SOCK(r0, 0x5421, 0xffffffffffffffff) openat$fuse(0xffffffffffffff9c, &(0x7f0000000140), 0x2, 0x0) 08:01:48 executing program 4: syz_open_dev$ndb(&(0x7f00000002c0), 0x0, 0x0) r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000200), r0) sendmsg$NBD_CMD_RECONFIGURE(0xffffffffffffffff, &(0x7f0000000200)={0x0, 0x0, &(0x7f00000001c0)={&(0x7f0000000140)={0x48, r1, 0x1, 0x70bd2d, 0x25dfdbfd, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x8}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x25}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}]}, 0x48}, 0x1, 0x0, 0x0, 0x8}, 0x20000000) 08:01:48 executing program 0: sendmsg$RDMA_NLDEV_CMD_RES_PD_GET(0xffffffffffffffff, &(0x7f00000000c0)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x10000}, 0xc, &(0x7f0000000080)={&(0x7f0000000100)=ANY=[@ANYBLOB="200000000e14020012bd7000fbdbdf250800010002000000080094c4c64e12112d2321153cc4f4e90003"], 0x20}, 0x1, 0x0, 0x0, 0x20000000}, 0x4000) r0 = syz_open_dev$ndb(&(0x7f00000002c0), 0x0, 0x0) ioctl$NBD_SET_SOCK(r0, 0x5452, 0xffffffffffffffff) ioctl$NBD_DISCONNECT(r0, 0xab08) [ 1271.027404] block nbd3: not configured, cannot reconfigure 08:01:48 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000200), r1) sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f0000000200)={0x0, 0x0, &(0x7f00000001c0)={&(0x7f0000000140)={0x14, r2, 0x1}, 0x14}, 0x1, 0x0, 0x0, 0x8}, 0x20000000) [ 1271.069302] nbd: must specify a device to reconfigure 08:01:48 executing program 2: r0 = openat$ptmx(0xffffffffffffff9c, &(0x7f0000000040), 0x0, 0x0) ioctl$TIOCGPTPEER(r0, 0x5452, 0xdbb8) 08:01:48 executing program 1: syz_open_dev$ndb(&(0x7f00000002c0), 0x0, 0x0) r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000200), r1) sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f0000000200)={0x0, 0x0, &(0x7f00000001c0)={&(0x7f0000000140)={0x1c, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x1c}}, 0x20000000) 08:01:48 executing program 5: r0 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0xca520) socket(0x2c, 0x3, 0x0) ioctl$NBD_SET_SOCK(r0, 0x5421, 0xffffffffffffffff) 08:01:48 executing program 4: syz_open_dev$ndb(&(0x7f00000002c0), 0x0, 0x0) r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000200), r0) sendmsg$NBD_CMD_RECONFIGURE(0xffffffffffffffff, &(0x7f0000000200)={0x0, 0x0, &(0x7f00000001c0)={&(0x7f0000000140)={0x48, r1, 0x1, 0x70bd2d, 0x25dfdbfd, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x8}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x25}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}]}, 0x48}, 0x1, 0x0, 0x0, 0x8}, 0x20000000) 08:01:48 executing program 0: sendmsg$RDMA_NLDEV_CMD_RES_PD_GET(0xffffffffffffffff, &(0x7f00000000c0)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x10000}, 0xc, &(0x7f0000000080)={&(0x7f0000000100)=ANY=[@ANYBLOB="200000000e14020012bd7000fbdbdf250800010002000000080094c4c64e12112d2321153cc4f4e90003"], 0x20}, 0x1, 0x0, 0x0, 0x20000000}, 0x4000) r0 = syz_open_dev$ndb(&(0x7f00000002c0), 0x0, 0x0) ioctl$NBD_SET_SOCK(r0, 0x5452, 0xffffffffffffffff) ioctl$NBD_DISCONNECT(r0, 0xab08) [ 1271.152311] block nbd0: NBD_DISCONNECT [ 1271.165057] nbd: must specify a device to reconfigure 08:01:48 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000200), r1) sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f0000000200)={0x0, 0x0, &(0x7f00000001c0)={&(0x7f0000000140)={0x14, r2, 0x1}, 0x14}, 0x1, 0x0, 0x0, 0x8}, 0x20000000) 08:01:48 executing program 2: r0 = openat$ptmx(0xffffffffffffff9c, &(0x7f0000000040), 0x0, 0x0) ioctl$TIOCGPTPEER(r0, 0x545d, 0xdbb8) 08:01:48 executing program 1: syz_open_dev$ndb(&(0x7f00000002c0), 0x0, 0x0) r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000200), r1) sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f0000000200)={0x0, 0x0, &(0x7f00000001c0)={&(0x7f0000000140)={0x1c, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x1c}}, 0x0) [ 1271.214826] block nbd1: not configured, cannot reconfigure [ 1271.244270] block nbd0: NBD_DISCONNECT 08:01:48 executing program 0: sendmsg$RDMA_NLDEV_CMD_RES_PD_GET(0xffffffffffffffff, &(0x7f00000000c0)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x10000}, 0xc, &(0x7f0000000080)={&(0x7f0000000100)=ANY=[@ANYBLOB="200000000e14020012bd7000fbdbdf250800010002000000080094c4c64e12112d2321153cc4f4e90003"], 0x20}, 0x1, 0x0, 0x0, 0x20000000}, 0x4000) (async) sendmsg$RDMA_NLDEV_CMD_RES_PD_GET(0xffffffffffffffff, &(0x7f00000000c0)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x10000}, 0xc, &(0x7f0000000080)={&(0x7f0000000100)=ANY=[@ANYBLOB="200000000e14020012bd7000fbdbdf250800010002000000080094c4c64e12112d2321153cc4f4e90003"], 0x20}, 0x1, 0x0, 0x0, 0x20000000}, 0x4000) r0 = syz_open_dev$ndb(&(0x7f00000002c0), 0x0, 0x0) ioctl$NBD_SET_SOCK(r0, 0x5452, 0xffffffffffffffff) ioctl$NBD_DISCONNECT(r0, 0xab08) 08:01:48 executing program 4: syz_open_dev$ndb(&(0x7f00000002c0), 0x0, 0x0) r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000200), r0) sendmsg$NBD_CMD_RECONFIGURE(0xffffffffffffffff, &(0x7f0000000200)={0x0, 0x0, &(0x7f00000001c0)={&(0x7f0000000140)={0x48, r1, 0x1, 0x70bd2d, 0x25dfdbfd, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x8}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x25}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}]}, 0x48}, 0x1, 0x0, 0x0, 0x8}, 0x20000000) 08:01:48 executing program 5: r0 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0xca520) socket(0x2c, 0x3, 0x0) (async) ioctl$NBD_SET_SOCK(r0, 0x5421, 0xffffffffffffffff) [ 1271.280438] nbd: must specify a device to reconfigure 08:01:48 executing program 2: r0 = openat$ptmx(0xffffffffffffff9c, &(0x7f0000000040), 0x0, 0x0) ioctl$TIOCGPTPEER(r0, 0x5460, 0xdbb8) 08:01:48 executing program 1: syz_open_dev$ndb(&(0x7f00000002c0), 0x0, 0x0) r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000200), r1) sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f0000000200)={0x0, 0x0, &(0x7f00000001c0)={&(0x7f0000000140)={0x1c, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x1c}, 0x1, 0x0, 0x0, 0x8}, 0x20000000) 08:01:48 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000200), r1) sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f0000000200)={0x0, 0x0, &(0x7f00000001c0)={&(0x7f0000000140)={0x14, r2, 0x1}, 0x14}, 0x1, 0x0, 0x0, 0x8}, 0x20000000) [ 1271.312678] block nbd1: not configured, cannot reconfigure 08:01:48 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000200), r1) sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f0000000200)={0x0, 0x0, &(0x7f00000001c0)={&(0x7f0000000140)={0x48, r2, 0x1, 0x70bd2d, 0x25dfdbfd, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x8}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x25}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}]}, 0x48}, 0x1, 0x0, 0x0, 0x8}, 0x20000000) 08:01:48 executing program 5: r0 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0xca520) socket(0x2c, 0x3, 0x0) ioctl$NBD_SET_SOCK(r0, 0x5421, 0xffffffffffffffff) syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0xca520) (async) socket(0x2c, 0x3, 0x0) (async) ioctl$NBD_SET_SOCK(r0, 0x5421, 0xffffffffffffffff) (async) [ 1271.391401] block nbd0: NBD_DISCONNECT 08:01:48 executing program 0: ioctl$SIOCGSKNS(0xffffffffffffffff, 0x894c, &(0x7f0000000000)={'ipvlan1\x00', 0x600}) r0 = syz_open_dev$ndb(&(0x7f00000002c0), 0x0, 0x0) ioctl$NBD_SET_SOCK(r0, 0x5452, 0xffffffffffffffff) 08:01:48 executing program 2: r0 = openat$ptmx(0xffffffffffffff9c, &(0x7f0000000040), 0x0, 0x0) ioctl$TIOCGPTPEER(r0, 0x40049409, 0xdbb8) 08:01:49 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000200), r1) sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f0000000200)={0x0, 0x0, &(0x7f00000001c0)={&(0x7f0000000140)={0x14, r2, 0x1}, 0x14}, 0x1, 0x0, 0x0, 0x8}, 0x20000000) 08:01:49 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000200), r1) sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f0000000200)={0x0, 0x0, &(0x7f00000001c0)={&(0x7f0000000140)={0x1c, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x1c}}, 0x20000000) [ 1271.445146] block nbd1: not configured, cannot reconfigure [ 1271.465408] nbd: must specify a device to reconfigure [ 1271.488125] block nbd4: not configured, cannot reconfigure 08:01:49 executing program 5: r0 = syz_open_dev$ndb(&(0x7f00000002c0), 0x0, 0x0) ioctl$NBD_SET_SOCK(r0, 0x5421, 0xffffffffffffffff) ioctl$NBD_SET_SOCK(r0, 0xab00, 0xffffffffffffffff) 08:01:49 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000200), r1) sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f0000000200)={0x0, 0x0, &(0x7f00000001c0)={&(0x7f0000000140)={0x48, r2, 0x1, 0x70bd2d, 0x25dfdbfd, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x8}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x25}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}]}, 0x48}, 0x1, 0x0, 0x0, 0x8}, 0x20000000) 08:01:49 executing program 0: ioctl$SIOCGSKNS(0xffffffffffffffff, 0x894c, &(0x7f0000000000)={'ipvlan1\x00', 0x600}) (async) r0 = syz_open_dev$ndb(&(0x7f00000002c0), 0x0, 0x0) ioctl$NBD_SET_SOCK(r0, 0x5452, 0xffffffffffffffff) 08:01:49 executing program 2: r0 = openat$ptmx(0xffffffffffffff9c, &(0x7f0000000040), 0x0, 0x0) ioctl$TIOCGPTPEER(r0, 0x4020940d, 0xdbb8) [ 1271.590344] nbd: must specify a device to reconfigure 08:01:49 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000200), r1) sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f0000000200)={0x0, 0x0, &(0x7f00000001c0)={&(0x7f0000000140)={0x3c, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x8}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x25}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x3c}, 0x1, 0x0, 0x0, 0x8}, 0x20000000) 08:01:49 executing program 5: r0 = syz_open_dev$ndb(&(0x7f00000002c0), 0x0, 0x0) ioctl$NBD_SET_SOCK(r0, 0x5421, 0xffffffffffffffff) ioctl$NBD_SET_SOCK(r0, 0xab00, 0xffffffffffffffff) (async) ioctl$NBD_SET_SOCK(r0, 0xab00, 0xffffffffffffffff) 08:01:49 executing program 0: ioctl$SIOCGSKNS(0xffffffffffffffff, 0x894c, &(0x7f0000000000)={'ipvlan1\x00', 0x600}) (async) r0 = syz_open_dev$ndb(&(0x7f00000002c0), 0x0, 0x0) ioctl$NBD_SET_SOCK(r0, 0x5452, 0xffffffffffffffff) 08:01:49 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000200), r1) sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f0000000200)={0x0, 0x0, &(0x7f00000001c0)={&(0x7f0000000140)={0x1c, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x1c}}, 0x0) [ 1271.614756] block nbd3: not configured, cannot reconfigure [ 1271.648526] block nbd4: not configured, cannot reconfigure 08:01:49 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000200), r1) sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f0000000200)={0x0, 0x0, &(0x7f00000001c0)={&(0x7f0000000140)={0x48, r2, 0x1, 0x70bd2d, 0x25dfdbfd, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x8}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x25}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}]}, 0x48}, 0x1, 0x0, 0x0, 0x8}, 0x20000000) 08:01:49 executing program 2: r0 = openat$ptmx(0xffffffffffffff9c, &(0x7f0000000040), 0x0, 0x0) ioctl$TIOCGPTPEER(r0, 0x80045432, 0xdbb8) 08:01:49 executing program 5: r0 = syz_open_dev$ndb(&(0x7f00000002c0), 0x0, 0x0) ioctl$NBD_SET_SOCK(r0, 0x5421, 0xffffffffffffffff) ioctl$NBD_SET_SOCK(r0, 0xab00, 0xffffffffffffffff) syz_open_dev$ndb(&(0x7f00000002c0), 0x0, 0x0) (async) ioctl$NBD_SET_SOCK(r0, 0x5421, 0xffffffffffffffff) (async) ioctl$NBD_SET_SOCK(r0, 0xab00, 0xffffffffffffffff) (async) 08:01:49 executing program 0: syz_open_dev$ndb(&(0x7f00000002c0), 0x0, 0x0) r0 = open(&(0x7f0000000000)='./file0\x00', 0x40200, 0x100) ioctl$NBD_SET_SOCK(r0, 0x5452, r0) 08:01:49 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000200), r1) sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f0000000200)={0x0, 0x0, &(0x7f00000001c0)={&(0x7f0000000140)={0x48, r2, 0x1, 0x70bd2d, 0x25dfdbfd, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x8}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x25}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}]}, 0x48}, 0x1, 0x0, 0x0, 0x8}, 0x20000000) [ 1271.753191] block nbd4: not configured, cannot reconfigure [ 1271.766889] block nbd1: not configured, cannot reconfigure [ 1271.776071] block nbd3: not configured, cannot reconfigure 08:01:49 executing program 5: r0 = syz_open_dev$ndb(&(0x7f00000002c0), 0x0, 0x0) ioctl$NBD_SET_SOCK(r0, 0x5421, 0xffffffffffffffff) ioctl$NBD_DISCONNECT(r0, 0xab08) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), 0xffffffffffffffff) sendmsg$NBD_CMD_RECONFIGURE(0xffffffffffffffff, &(0x7f0000000100)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x20000}, 0xc, &(0x7f00000000c0)={&(0x7f0000000080)={0x38, r1, 0x200, 0x70bd2a, 0x25dfdbfc, {}, [@NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x7}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x9}, @NBD_ATTR_SERVER_FLAGS={0xc}]}, 0x38}, 0x1, 0x0, 0x0, 0x40040}, 0x800) 08:01:49 executing program 3: syz_open_dev$ndb(&(0x7f00000002c0), 0x0, 0x0) r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x125201) ioctl$AUTOFS_DEV_IOCTL_PROTOVER(0xffffffffffffffff, 0xc0189372, &(0x7f0000000040)={{0x1, 0x1, 0x18, r0, {0x1}}, './file0\x00'}) ioctl$NBD_SET_BLKSIZE(r1, 0xab01, 0x6) ioctl$NBD_SET_SOCK(r0, 0x5421, 0xffffffffffffffff) ioctl$KDSIGACCEPT(r1, 0x4b4e, 0x18) 08:01:49 executing program 4: syz_open_dev$ndb(0x0, 0x0, 0x0) r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000200), r1) sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f0000000200)={0x0, 0x0, &(0x7f00000001c0)={&(0x7f0000000140)={0x48, r2, 0x1, 0x70bd2d, 0x25dfdbfd, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x8}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x25}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}]}, 0x48}, 0x1, 0x0, 0x0, 0x8}, 0x20000000) 08:01:49 executing program 2: r0 = openat$ptmx(0xffffffffffffff9c, &(0x7f0000000040), 0x0, 0x0) ioctl$TIOCGPTPEER(r0, 0x80045440, 0xdbb8) 08:01:49 executing program 0: syz_open_dev$ndb(&(0x7f00000002c0), 0x0, 0x0) (async) r0 = open(&(0x7f0000000000)='./file0\x00', 0x40200, 0x100) ioctl$NBD_SET_SOCK(r0, 0x5452, r0) 08:01:49 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000200), r1) sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f0000000200)={0x0, 0x0, &(0x7f00000001c0)={&(0x7f0000000140)={0x48, 0x0, 0x1, 0x70bd2d, 0x25dfdbfd, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x8}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x25}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}]}, 0x48}, 0x1, 0x0, 0x0, 0x8}, 0x20000000) 08:01:49 executing program 4: syz_open_dev$ndb(0x0, 0x0, 0x0) r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000200), r1) sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f0000000200)={0x0, 0x0, &(0x7f00000001c0)={&(0x7f0000000140)={0x48, r2, 0x1, 0x70bd2d, 0x25dfdbfd, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x8}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x25}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}]}, 0x48}, 0x1, 0x0, 0x0, 0x8}, 0x20000000) [ 1271.914017] block nbd4: not configured, cannot reconfigure [ 1271.921544] block nbd5: NBD_DISCONNECT [ 1271.938105] block nbd1: not configured, cannot reconfigure 08:01:49 executing program 2: r0 = openat$ptmx(0xffffffffffffff9c, &(0x7f0000000040), 0x0, 0x0) ioctl$TIOCGPTPEER(r0, 0xc0045878, 0xdbb8) 08:01:49 executing program 1: syz_open_dev$ndb(0x0, 0x0, 0x0) r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000200), r1) sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f0000000200)={0x0, 0x0, &(0x7f00000001c0)={&(0x7f0000000140)={0x48, r2, 0x1, 0x70bd2d, 0x25dfdbfd, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x8}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x25}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}]}, 0x48}, 0x1, 0x0, 0x0, 0x8}, 0x20000000) 08:01:49 executing program 5: syz_open_dev$ndb(&(0x7f00000002c0), 0x0, 0x0) (async) r0 = syz_open_dev$ndb(&(0x7f00000002c0), 0x0, 0x0) ioctl$NBD_SET_SOCK(r0, 0x5421, 0xffffffffffffffff) ioctl$NBD_DISCONNECT(r0, 0xab08) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), 0xffffffffffffffff) sendmsg$NBD_CMD_RECONFIGURE(0xffffffffffffffff, &(0x7f0000000100)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x20000}, 0xc, &(0x7f00000000c0)={&(0x7f0000000080)={0x38, r1, 0x200, 0x70bd2a, 0x25dfdbfc, {}, [@NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x7}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x9}, @NBD_ATTR_SERVER_FLAGS={0xc}]}, 0x38}, 0x1, 0x0, 0x0, 0x40040}, 0x800) 08:01:49 executing program 0: syz_open_dev$ndb(&(0x7f00000002c0), 0x0, 0x0) r0 = open(&(0x7f0000000000)='./file0\x00', 0x40200, 0x100) ioctl$NBD_SET_SOCK(r0, 0x5452, r0) syz_open_dev$ndb(&(0x7f00000002c0), 0x0, 0x0) (async) open(&(0x7f0000000000)='./file0\x00', 0x40200, 0x100) (async) ioctl$NBD_SET_SOCK(r0, 0x5452, r0) (async) 08:01:49 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000200), r1) sendmsg$NBD_CMD_RECONFIGURE(r0, 0x0, 0x20000000) 08:01:49 executing program 4: syz_open_dev$ndb(0x0, 0x0, 0x0) r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000200), r1) sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f0000000200)={0x0, 0x0, &(0x7f00000001c0)={&(0x7f0000000140)={0x48, r2, 0x1, 0x70bd2d, 0x25dfdbfd, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x8}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x25}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}]}, 0x48}, 0x1, 0x0, 0x0, 0x8}, 0x20000000) [ 1272.050195] block nbd4: not configured, cannot reconfigure 08:01:49 executing program 2: r0 = openat$ptmx(0xffffffffffffff9c, &(0x7f0000000040), 0x0, 0x0) ioctl$TIOCGPTPEER(r0, 0xc0045878, 0xdbb8) 08:01:49 executing program 0: r0 = syz_open_dev$ndb(&(0x7f00000002c0), 0x0, 0x100c0) ioctl$NBD_SET_SOCK(r0, 0x5452, 0xffffffffffffffff) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r3 = syz_genetlink_get_family_id$nbd(&(0x7f0000000200), r2) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f00000004c0)={&(0x7f00000003c0), 0xc, &(0x7f0000000480)={&(0x7f0000000240)=ANY=[@ANYBLOB='(\x00\x00\x00', @ANYRES16=r3, @ANYBLOB="01000000000000000000020040002ce10300170000000000000005f9bf62d3a951c8c6c9bdf9c8ec79000a005e000000"], 0x28}}, 0x0) r4 = syz_open_dev$vcsn(&(0x7f00000000c0), 0x6, 0x200) sendmsg$NBD_CMD_STATUS(0xffffffffffffffff, &(0x7f00000001c0)={&(0x7f0000000080)={0x10, 0x0, 0x0, 0x10000000}, 0xc, &(0x7f0000000180)={&(0x7f0000000100)=ANY=[@ANYBLOB='D\x00\x00\x00', @ANYRES16=r3, @ANYBLOB="000126bd7000ffdbdf25050000000c00060001000000000000000c00050008010000000000000c00040009200000000000000c00078008000100", @ANYRES32=r4, @ANYBLOB], 0x44}, 0x1, 0x0, 0x0, 0x1}, 0x40000a0) ioctl$NBD_DISCONNECT(0xffffffffffffffff, 0xab08) getsockopt$bt_BT_VOICE(0xffffffffffffffff, 0x112, 0xb, &(0x7f0000000000)=0x81, &(0x7f0000000040)=0x2) 08:01:49 executing program 5: r0 = syz_open_dev$ndb(&(0x7f00000002c0), 0x0, 0x0) ioctl$NBD_SET_SOCK(r0, 0x5421, 0xffffffffffffffff) ioctl$NBD_DISCONNECT(r0, 0xab08) (async) ioctl$NBD_DISCONNECT(r0, 0xab08) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), 0xffffffffffffffff) sendmsg$NBD_CMD_RECONFIGURE(0xffffffffffffffff, &(0x7f0000000100)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x20000}, 0xc, &(0x7f00000000c0)={&(0x7f0000000080)={0x38, r1, 0x200, 0x70bd2a, 0x25dfdbfc, {}, [@NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x7}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x9}, @NBD_ATTR_SERVER_FLAGS={0xc}]}, 0x38}, 0x1, 0x0, 0x0, 0x40040}, 0x800) 08:01:49 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000200), r1) sendmsg$NBD_CMD_RECONFIGURE(r0, 0x0, 0x20000000) [ 1272.114571] block nbd1: not configured, cannot reconfigure [ 1272.130905] block nbd5: NBD_DISCONNECT 08:01:49 executing program 1: r0 = socket$nl_generic(0x10, 0x3, 0x10) sendmsg$BATADV_CMD_GET_ORIGINATORS(r0, &(0x7f0000000100)={&(0x7f0000000080), 0xc, &(0x7f00000000c0)={&(0x7f0000000340)=ANY=[@ANYBLOB="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", @ANYRES16, @ANYBLOB="100026bd7000fbdbdf2508000000050030000000000008003100b460000008003a00c40b00000500300001000000"], 0x34}, 0x1, 0x0, 0x0, 0x4040800}, 0x440c0) 08:01:49 executing program 2: r0 = openat$ptmx(0xffffffffffffff9c, &(0x7f0000000040), 0x0, 0x0) ioctl$TIOCGPTPEER(r0, 0xc0189436, 0xdbb8) [ 1272.207260] block nbd4: not configured, cannot reconfigure 08:01:49 executing program 4: syz_open_dev$ndb(&(0x7f00000002c0), 0x0, 0x0) r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(0x0, r1) sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f0000000200)={0x0, 0x0, &(0x7f00000001c0)={&(0x7f0000000140)={0x48, r2, 0x1, 0x70bd2d, 0x25dfdbfd, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x8}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x25}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}]}, 0x48}, 0x1, 0x0, 0x0, 0x8}, 0x20000000) 08:01:49 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000200), 0xffffffffffffffff) sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f0000000200)={&(0x7f0000000100)={0x10, 0x0, 0x0, 0x200000}, 0xc, &(0x7f00000001c0)={&(0x7f0000000140)={0x48, r1, 0x1, 0x70bd2d, 0x25dfdbfd, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x8}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x25}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}]}, 0x48}, 0x1, 0x0, 0x0, 0x8}, 0x20000000) 08:01:49 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000200), r1) sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f0000000200)={0x0, 0x0, &(0x7f00000001c0)={&(0x7f0000000140)={0x1c, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x1c}}, 0x0) (fail_nth: 1) 08:01:49 executing program 4: syz_open_dev$ndb(&(0x7f00000002c0), 0x0, 0x0) r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(0x0, r1) sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f0000000200)={0x0, 0x0, &(0x7f00000001c0)={&(0x7f0000000140)={0x48, r2, 0x1, 0x70bd2d, 0x25dfdbfd, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x8}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x25}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}]}, 0x48}, 0x1, 0x0, 0x0, 0x8}, 0x20000000) [ 1272.259983] block nbd5: NBD_DISCONNECT [ 1272.272719] block nbd5: NBD_DISCONNECT [ 1272.285548] netlink: 20 bytes leftover after parsing attributes in process `syz-executor.0'. 08:01:49 executing program 5: r0 = syz_open_dev$ndb(&(0x7f00000002c0), 0x0, 0x0) ioctl$NBD_SET_SOCK(r0, 0x5421, 0xffffffffffffffff) [ 1272.319569] nbd: must specify an index to disconnect [ 1272.339578] FAULT_INJECTION: forcing a failure. [ 1272.339578] name failslab, interval 1, probability 0, space 0, times 0 [ 1272.367339] CPU: 1 PID: 23968 Comm: syz-executor.3 Not tainted 4.19.211-syzkaller #0 [ 1272.375238] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/16/2023 [ 1272.384609] Call Trace: [ 1272.387253] dump_stack+0x1fc/0x2ef [ 1272.390901] should_fail.cold+0xa/0xf [ 1272.394725] ? setup_fault_attr+0x200/0x200 [ 1272.399057] ? lock_acquire+0x170/0x3c0 [ 1272.403044] __should_failslab+0x115/0x180 [ 1272.407294] should_failslab+0x5/0x10 [ 1272.411100] kmem_cache_alloc_node+0x245/0x3b0 [ 1272.415694] __alloc_skb+0x71/0x560 [ 1272.419331] netlink_sendmsg+0x9f6/0xc50 [ 1272.423405] ? aa_af_perm+0x230/0x230 [ 1272.427209] ? nlmsg_notify+0x1f0/0x1f0 [ 1272.431195] ? kernel_recvmsg+0x220/0x220 [ 1272.435355] ? nlmsg_notify+0x1f0/0x1f0 [ 1272.439348] sock_sendmsg+0xc3/0x120 [ 1272.443069] ___sys_sendmsg+0x7bb/0x8e0 [ 1272.447056] ? check_preemption_disabled+0x41/0x280 [ 1272.452082] ? copy_msghdr_from_user+0x440/0x440 [ 1272.456847] ? __fget+0x32f/0x510 [ 1272.460314] ? lock_downgrade+0x720/0x720 [ 1272.464477] ? check_preemption_disabled+0x41/0x280 [ 1272.469505] ? check_preemption_disabled+0x41/0x280 [ 1272.474531] ? __fget+0x356/0x510 [ 1272.477996] ? do_dup2+0x450/0x450 [ 1272.481543] ? lock_downgrade+0x720/0x720 [ 1272.485697] ? vfs_write+0x3d7/0x540 [ 1272.489436] ? __fdget+0x1d0/0x230 [ 1272.493009] __x64_sys_sendmsg+0x132/0x220 [ 1272.497250] ? __sys_sendmsg+0x1b0/0x1b0 [ 1272.501313] ? vfs_write+0x393/0x540 [ 1272.505046] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 1272.510415] ? trace_hardirqs_off_caller+0x6e/0x210 [ 1272.515438] ? do_syscall_64+0x21/0x620 [ 1272.519431] do_syscall_64+0xf9/0x620 [ 1272.523242] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 1272.528432] RIP: 0033:0x7fdb07b640f9 [ 1272.532150] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 f1 19 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48 [ 1272.551060] RSP: 002b:00007fdb060d6168 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 1272.558767] RAX: ffffffffffffffda RBX: 00007fdb07c83f80 RCX: 00007fdb07b640f9 08:01:50 executing program 0: r0 = syz_open_dev$ndb(&(0x7f00000002c0), 0x0, 0x100c0) ioctl$NBD_SET_SOCK(r0, 0x5452, 0xffffffffffffffff) (async) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r3 = syz_genetlink_get_family_id$nbd(&(0x7f0000000200), r2) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f00000004c0)={&(0x7f00000003c0), 0xc, &(0x7f0000000480)={&(0x7f0000000240)=ANY=[@ANYBLOB='(\x00\x00\x00', @ANYRES16=r3, @ANYBLOB="01000000000000000000020040002ce10300170000000000000005f9bf62d3a951c8c6c9bdf9c8ec79000a005e000000"], 0x28}}, 0x0) (async) r4 = syz_open_dev$vcsn(&(0x7f00000000c0), 0x6, 0x200) sendmsg$NBD_CMD_STATUS(0xffffffffffffffff, &(0x7f00000001c0)={&(0x7f0000000080)={0x10, 0x0, 0x0, 0x10000000}, 0xc, &(0x7f0000000180)={&(0x7f0000000100)=ANY=[@ANYBLOB='D\x00\x00\x00', @ANYRES16=r3, @ANYBLOB="000126bd7000ffdbdf25050000000c00060001000000000000000c00050008010000000000000c00040009200000000000000c00078008000100", @ANYRES32=r4, @ANYBLOB], 0x44}, 0x1, 0x0, 0x0, 0x1}, 0x40000a0) (async) ioctl$NBD_DISCONNECT(0xffffffffffffffff, 0xab08) (async) getsockopt$bt_BT_VOICE(0xffffffffffffffff, 0x112, 0xb, &(0x7f0000000000)=0x81, &(0x7f0000000040)=0x2) 08:01:50 executing program 4: syz_open_dev$ndb(&(0x7f00000002c0), 0x0, 0x0) r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(0x0, r1) sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f0000000200)={0x0, 0x0, &(0x7f00000001c0)={&(0x7f0000000140)={0x48, r2, 0x1, 0x70bd2d, 0x25dfdbfd, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x8}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x25}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}]}, 0x48}, 0x1, 0x0, 0x0, 0x8}, 0x20000000) 08:01:50 executing program 2: r0 = openat$ptmx(0xffffffffffffff9c, &(0x7f0000000040), 0x0, 0x0) ioctl$TIOCGPTPEER(r0, 0xc020660b, 0xdbb8) 08:01:50 executing program 5: r0 = syz_open_dev$ndb(&(0x7f00000002c0), 0x0, 0x0) ioctl$NBD_SET_SOCK(r0, 0x5421, 0xffffffffffffffff) 08:01:50 executing program 1: syz_open_dev$ndb(&(0x7f00000002c0), 0x0, 0x0) r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000200), r1) sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f0000000200)={0x0, 0x0, &(0x7f00000001c0)={&(0x7f0000000140)={0x1c, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x1c}}, 0x0) (fail_nth: 1) [ 1272.566037] RDX: 0000000000000000 RSI: 0000000020000200 RDI: 0000000000000004 [ 1272.573304] RBP: 00007fdb060d61d0 R08: 0000000000000000 R09: 0000000000000000 [ 1272.580577] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001 [ 1272.587848] R13: 00007ffe31bfaf7f R14: 00007fdb060d6300 R15: 0000000000022000 08:01:50 executing program 0: r0 = syz_open_dev$ndb(&(0x7f00000002c0), 0x0, 0x100c0) ioctl$NBD_SET_SOCK(r0, 0x5452, 0xffffffffffffffff) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r3 = syz_genetlink_get_family_id$nbd(&(0x7f0000000200), r2) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f00000004c0)={&(0x7f00000003c0), 0xc, &(0x7f0000000480)={&(0x7f0000000240)=ANY=[@ANYBLOB='(\x00\x00\x00', @ANYRES16=r3, @ANYBLOB="01000000000000000000020040002ce10300170000000000000005f9bf62d3a951c8c6c9bdf9c8ec79000a005e000000"], 0x28}}, 0x0) r4 = syz_open_dev$vcsn(&(0x7f00000000c0), 0x6, 0x200) sendmsg$NBD_CMD_STATUS(0xffffffffffffffff, &(0x7f00000001c0)={&(0x7f0000000080)={0x10, 0x0, 0x0, 0x10000000}, 0xc, &(0x7f0000000180)={&(0x7f0000000100)=ANY=[@ANYBLOB='D\x00\x00\x00', @ANYRES16=r3, @ANYBLOB="000126bd7000ffdbdf25050000000c00060001000000000000000c00050008010000000000000c00040009200000000000000c00078008000100", @ANYRES32=r4, @ANYBLOB], 0x44}, 0x1, 0x0, 0x0, 0x1}, 0x40000a0) ioctl$NBD_DISCONNECT(0xffffffffffffffff, 0xab08) getsockopt$bt_BT_VOICE(0xffffffffffffffff, 0x112, 0xb, &(0x7f0000000000)=0x81, &(0x7f0000000040)=0x2) syz_open_dev$ndb(&(0x7f00000002c0), 0x0, 0x100c0) (async) ioctl$NBD_SET_SOCK(r0, 0x5452, 0xffffffffffffffff) (async) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) syz_genetlink_get_family_id$nbd(&(0x7f0000000200), r2) (async) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f00000004c0)={&(0x7f00000003c0), 0xc, &(0x7f0000000480)={&(0x7f0000000240)=ANY=[@ANYBLOB='(\x00\x00\x00', @ANYRES16=r3, @ANYBLOB="01000000000000000000020040002ce10300170000000000000005f9bf62d3a951c8c6c9bdf9c8ec79000a005e000000"], 0x28}}, 0x0) (async) syz_open_dev$vcsn(&(0x7f00000000c0), 0x6, 0x200) (async) sendmsg$NBD_CMD_STATUS(0xffffffffffffffff, &(0x7f00000001c0)={&(0x7f0000000080)={0x10, 0x0, 0x0, 0x10000000}, 0xc, &(0x7f0000000180)={&(0x7f0000000100)=ANY=[@ANYBLOB='D\x00\x00\x00', @ANYRES16=r3, @ANYBLOB="000126bd7000ffdbdf25050000000c00060001000000000000000c00050008010000000000000c00040009200000000000000c00078008000100", @ANYRES32=r4, @ANYBLOB], 0x44}, 0x1, 0x0, 0x0, 0x1}, 0x40000a0) (async) ioctl$NBD_DISCONNECT(0xffffffffffffffff, 0xab08) (async) getsockopt$bt_BT_VOICE(0xffffffffffffffff, 0x112, 0xb, &(0x7f0000000000)=0x81, &(0x7f0000000040)=0x2) (async) 08:01:50 executing program 5: r0 = syz_open_dev$ndb(&(0x7f00000002c0), 0x0, 0x0) ioctl$NBD_SET_SOCK(r0, 0x5421, 0xffffffffffffffff) 08:01:50 executing program 4: syz_open_dev$ndb(&(0x7f00000002c0), 0x0, 0x0) r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000200), 0xffffffffffffffff) sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f0000000200)={0x0, 0x0, &(0x7f00000001c0)={&(0x7f0000000140)={0x48, r1, 0x1, 0x70bd2d, 0x25dfdbfd, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x8}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x25}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}]}, 0x48}, 0x1, 0x0, 0x0, 0x8}, 0x20000000) 08:01:50 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000200), r1) sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f0000000200)={0x0, 0x0, &(0x7f00000001c0)={&(0x7f0000000140)={0x1c, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x1c}}, 0x0) (fail_nth: 2) 08:01:50 executing program 4: syz_open_dev$ndb(&(0x7f00000002c0), 0x0, 0x0) r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000200), 0xffffffffffffffff) sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f0000000200)={0x0, 0x0, &(0x7f00000001c0)={&(0x7f0000000140)={0x48, r1, 0x1, 0x70bd2d, 0x25dfdbfd, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x8}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x25}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}]}, 0x48}, 0x1, 0x0, 0x0, 0x8}, 0x20000000) [ 1272.734283] FAULT_INJECTION: forcing a failure. [ 1272.734283] name failslab, interval 1, probability 0, space 0, times 0 [ 1272.767406] FAULT_INJECTION: forcing a failure. [ 1272.767406] name failslab, interval 1, probability 0, space 0, times 0 08:01:50 executing program 5: r0 = syz_open_dev$ndb(&(0x7f00000002c0), 0x0, 0x0) ioctl$NBD_SET_SOCK(r0, 0x5421, 0xffffffffffffffff) r1 = syz_open_dev$vcsn(&(0x7f0000000140), 0x1, 0x0) ioctl$MEDIA_IOC_REQUEST_ALLOC(r1, 0x80047c05, &(0x7f0000000180)) r2 = syz_open_dev$vcsn(&(0x7f0000000140), 0x1, 0x0) ioctl$MEDIA_IOC_REQUEST_ALLOC(r2, 0x80047c05, &(0x7f0000000180)) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) 08:01:50 executing program 2: r0 = openat$ptmx(0xffffffffffffff9c, &(0x7f0000000040), 0x1a9003, 0x0) ioctl$TIOCGPTPEER(r0, 0x5441, 0xdbb8) [ 1272.782170] CPU: 0 PID: 24006 Comm: syz-executor.1 Not tainted 4.19.211-syzkaller #0 [ 1272.790070] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/16/2023 [ 1272.799433] Call Trace: [ 1272.802030] dump_stack+0x1fc/0x2ef [ 1272.805669] should_fail.cold+0xa/0xf [ 1272.809479] ? setup_fault_attr+0x200/0x200 [ 1272.813808] ? lock_acquire+0x170/0x3c0 [ 1272.817802] __should_failslab+0x115/0x180 [ 1272.822047] should_failslab+0x5/0x10 [ 1272.825850] kmem_cache_alloc_node+0x245/0x3b0 [ 1272.830441] __alloc_skb+0x71/0x560 [ 1272.834073] netlink_sendmsg+0x9f6/0xc50 [ 1272.838168] ? aa_af_perm+0x230/0x230 [ 1272.841971] ? nlmsg_notify+0x1f0/0x1f0 [ 1272.845944] ? kernel_recvmsg+0x220/0x220 [ 1272.850107] ? nlmsg_notify+0x1f0/0x1f0 [ 1272.854092] sock_sendmsg+0xc3/0x120 [ 1272.857811] ___sys_sendmsg+0x7bb/0x8e0 [ 1272.861836] ? check_preemption_disabled+0x41/0x280 [ 1272.866855] ? copy_msghdr_from_user+0x440/0x440 [ 1272.871624] ? __fget+0x32f/0x510 [ 1272.875088] ? lock_downgrade+0x720/0x720 [ 1272.879236] ? check_preemption_disabled+0x41/0x280 [ 1272.884273] ? check_preemption_disabled+0x41/0x280 [ 1272.884291] ? __fget+0x356/0x510 [ 1272.892744] ? do_dup2+0x450/0x450 [ 1272.896302] ? lock_downgrade+0x720/0x720 [ 1272.900467] ? vfs_write+0x3d7/0x540 [ 1272.900483] ? __fdget+0x1d0/0x230 [ 1272.900502] __x64_sys_sendmsg+0x132/0x220 [ 1272.900517] ? __sys_sendmsg+0x1b0/0x1b0 [ 1272.900530] ? vfs_write+0x393/0x540 [ 1272.900555] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 1272.900573] ? trace_hardirqs_off_caller+0x6e/0x210 [ 1272.900589] ? do_syscall_64+0x21/0x620 08:01:50 executing program 5: r0 = syz_open_dev$ndb(&(0x7f00000002c0), 0x0, 0x0) ioctl$NBD_SET_SOCK(r0, 0x5421, 0xffffffffffffffff) r1 = syz_open_dev$vcsn(&(0x7f0000000140), 0x1, 0x0) ioctl$MEDIA_IOC_REQUEST_ALLOC(r1, 0x80047c05, &(0x7f0000000180)) r2 = syz_open_dev$vcsn(&(0x7f0000000140), 0x1, 0x0) ioctl$MEDIA_IOC_REQUEST_ALLOC(r2, 0x80047c05, &(0x7f0000000180)) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) syz_open_dev$ndb(&(0x7f00000002c0), 0x0, 0x0) (async) ioctl$NBD_SET_SOCK(r0, 0x5421, 0xffffffffffffffff) (async) syz_open_dev$vcsn(&(0x7f0000000140), 0x1, 0x0) (async) ioctl$MEDIA_IOC_REQUEST_ALLOC(r1, 0x80047c05, &(0x7f0000000180)) (async) syz_open_dev$vcsn(&(0x7f0000000140), 0x1, 0x0) (async) ioctl$MEDIA_IOC_REQUEST_ALLOC(r2, 0x80047c05, &(0x7f0000000180)) (async) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) (async) [ 1272.900606] do_syscall_64+0xf9/0x620 [ 1272.900627] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 1272.943139] RIP: 0033:0x7fac515fd0f9 [ 1272.946865] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 f1 19 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48 [ 1272.965763] RSP: 002b:00007fac4fb6f168 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 1272.973468] RAX: ffffffffffffffda RBX: 00007fac5171cf80 RCX: 00007fac515fd0f9 08:01:50 executing program 2: r0 = openat$ptmx(0xffffffffffffff9c, &(0x7f0000000040), 0x1a9003, 0x0) ioctl$TIOCGPTPEER(r0, 0x5441, 0xdbb8) 08:01:50 executing program 4: syz_open_dev$ndb(&(0x7f00000002c0), 0x0, 0x0) r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000200), 0xffffffffffffffff) sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f0000000200)={0x0, 0x0, &(0x7f00000001c0)={&(0x7f0000000140)={0x48, r1, 0x1, 0x70bd2d, 0x25dfdbfd, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x8}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x25}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}]}, 0x48}, 0x1, 0x0, 0x0, 0x8}, 0x20000000) [ 1272.980730] RDX: 0000000000000000 RSI: 0000000020000200 RDI: 0000000000000005 [ 1272.988008] RBP: 00007fac4fb6f1d0 R08: 0000000000000000 R09: 0000000000000000 [ 1272.995281] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001 [ 1273.002549] R13: 00007fff5b2f766f R14: 00007fac4fb6f300 R15: 0000000000022000 [ 1273.020517] CPU: 1 PID: 24008 Comm: syz-executor.3 Not tainted 4.19.211-syzkaller #0 [ 1273.028409] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/16/2023 [ 1273.037760] Call Trace: [ 1273.040358] dump_stack+0x1fc/0x2ef [ 1273.044005] should_fail.cold+0xa/0xf [ 1273.047823] ? setup_fault_attr+0x200/0x200 [ 1273.052155] ? lock_acquire+0x170/0x3c0 [ 1273.056139] __should_failslab+0x115/0x180 [ 1273.060382] should_failslab+0x5/0x10 [ 1273.064190] kmem_cache_alloc_node_trace+0x244/0x3b0 [ 1273.069301] __kmalloc_node_track_caller+0x38/0x70 [ 1273.074243] __alloc_skb+0xae/0x560 [ 1273.077880] netlink_sendmsg+0x9f6/0xc50 [ 1273.081958] ? aa_af_perm+0x230/0x230 [ 1273.085765] ? nlmsg_notify+0x1f0/0x1f0 [ 1273.089745] ? kernel_recvmsg+0x220/0x220 [ 1273.093929] ? nlmsg_notify+0x1f0/0x1f0 [ 1273.093948] sock_sendmsg+0xc3/0x120 [ 1273.093962] ___sys_sendmsg+0x7bb/0x8e0 [ 1273.093981] ? check_preemption_disabled+0x41/0x280 [ 1273.093995] ? copy_msghdr_from_user+0x440/0x440 [ 1273.094012] ? __fget+0x32f/0x510 [ 1273.094030] ? lock_downgrade+0x720/0x720 [ 1273.094046] ? check_preemption_disabled+0x41/0x280 [ 1273.128032] ? check_preemption_disabled+0x41/0x280 [ 1273.133056] ? __fget+0x356/0x510 [ 1273.136520] ? do_dup2+0x450/0x450 [ 1273.140072] ? lock_downgrade+0x720/0x720 [ 1273.144227] ? vfs_write+0x3d7/0x540 [ 1273.147952] ? __fdget+0x1d0/0x230 [ 1273.151544] __x64_sys_sendmsg+0x132/0x220 [ 1273.155786] ? __sys_sendmsg+0x1b0/0x1b0 [ 1273.159849] ? vfs_write+0x393/0x540 [ 1273.163581] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 1273.168953] ? trace_hardirqs_off_caller+0x6e/0x210 [ 1273.173977] ? do_syscall_64+0x21/0x620 [ 1273.177964] do_syscall_64+0xf9/0x620 08:01:50 executing program 4: syz_open_dev$ndb(&(0x7f00000002c0), 0x0, 0x0) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000200), r0) sendmsg$NBD_CMD_RECONFIGURE(0xffffffffffffffff, &(0x7f0000000200)={0x0, 0x0, &(0x7f00000001c0)={&(0x7f0000000140)={0x48, r1, 0x1, 0x70bd2d, 0x25dfdbfd, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x8}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x25}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}]}, 0x48}, 0x1, 0x0, 0x0, 0x8}, 0x20000000) 08:01:50 executing program 2: r0 = openat$ptmx(0xffffffffffffff9c, &(0x7f0000000040), 0x1a9003, 0x0) ioctl$TIOCGPTPEER(r0, 0x5441, 0xdbb8) 08:01:50 executing program 1: syz_open_dev$ndb(&(0x7f00000002c0), 0x0, 0x0) r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000200), r1) sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f0000000200)={0x0, 0x0, &(0x7f00000001c0)={&(0x7f0000000140)={0x1c, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x1c}}, 0x0) (fail_nth: 2) [ 1273.181799] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 1273.187024] RIP: 0033:0x7fdb07b640f9 [ 1273.190754] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 f1 19 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48 08:01:50 executing program 4: syz_open_dev$ndb(&(0x7f00000002c0), 0x0, 0x0) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000200), r0) sendmsg$NBD_CMD_RECONFIGURE(0xffffffffffffffff, &(0x7f0000000200)={0x0, 0x0, &(0x7f00000001c0)={&(0x7f0000000140)={0x48, r1, 0x1, 0x70bd2d, 0x25dfdbfd, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x8}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x25}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}]}, 0x48}, 0x1, 0x0, 0x0, 0x8}, 0x20000000) 08:01:50 executing program 0: r0 = syz_open_dev$ndb(&(0x7f00000002c0), 0x0, 0x0) ioctl$NBD_SET_SOCK(r0, 0x5452, 0xffffffffffffffff) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_DISCONNECT(r2, &(0x7f00000008c0)={0x0, 0x0, &(0x7f0000000880)={0x0}}, 0x1) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_DISCONNECT(r3, &(0x7f00000008c0)={0x0, 0x0, &(0x7f0000000880)={0x0}}, 0x1) r4 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r5 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r6 = syz_genetlink_get_family_id$nbd(&(0x7f0000000200), r5) sendmsg$NBD_CMD_DISCONNECT(r4, &(0x7f00000004c0)={&(0x7f00000003c0), 0xc, &(0x7f0000000480)={&(0x7f0000000400)={0x28, r6, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_BLOCK_SIZE_BYTES={0xc}, @NBD_ATTR_BACKEND_IDENTIFIER={0x5, 0xa, '^'}]}, 0x28}}, 0x0) r7 = socket(0x0, 0x1, 0x53) sendmsg$NBD_CMD_RECONFIGURE(r3, &(0x7f0000000240)={&(0x7f0000000140)={0x10, 0x0, 0x0, 0x800}, 0xc, &(0x7f0000000200)={&(0x7f0000000180)={0x54, r6, 0x300, 0x6, 0x25dfdbfb, {}, [@NBD_ATTR_BACKEND_IDENTIFIER={0x8, 0xa, 'nbd\x00'}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x10001}, @NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8, 0x1, r7}, {0x8}]}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x3}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x3000000}]}, 0x54}, 0x1, 0x0, 0x0, 0x1}, 0x20008415) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000100)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x20000}, 0xc, &(0x7f00000000c0)={&(0x7f0000000080)={0x20, 0x0, 0x2, 0x70bd2c, 0x25dfdbfb, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x22}]}, 0x20}, 0x1, 0x0, 0x0, 0x4000004}, 0x800) syz_genetlink_get_family_id$nbd(&(0x7f0000000000), r1) [ 1273.190763] RSP: 002b:00007fdb060d6168 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 1273.190776] RAX: ffffffffffffffda RBX: 00007fdb07c83f80 RCX: 00007fdb07b640f9 08:01:50 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000200), r1) sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f0000000200)={0x0, 0x0, &(0x7f00000001c0)={&(0x7f0000000140)={0x1c, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x1c}}, 0x0) (fail_nth: 3) 08:01:50 executing program 1: syz_open_dev$ndb(&(0x7f00000002c0), 0x0, 0x0) r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000200), r1) sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f0000000200)={0x0, 0x0, &(0x7f00000001c0)={&(0x7f0000000140)={0x1c, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x1c}}, 0x0) (fail_nth: 3) 08:01:50 executing program 2: r0 = socket$bt_cmtp(0x1f, 0x3, 0x5) r1 = syz_init_net_socket$nl_rdma(0x10, 0x3, 0x10) sendmsg$BATADV_CMD_TP_METER_CANCEL(r1, &(0x7f0000001900)={&(0x7f0000001800), 0xc, 0x0}, 0x0) ioctl$sock_bt_cmtp_CMTPCONNADD(r0, 0x400443c8, &(0x7f0000000000)={r1}) r2 = openat$ptmx(0xffffffffffffff9c, &(0x7f0000000040), 0x8502, 0x0) ioctl$TIOCNOTTY(r2, 0x5422) ioctl$TIOCGPTPEER(r2, 0x5441, 0xdbb8) 08:01:50 executing program 4: syz_open_dev$ndb(&(0x7f00000002c0), 0x0, 0x0) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000200), r0) sendmsg$NBD_CMD_RECONFIGURE(0xffffffffffffffff, &(0x7f0000000200)={0x0, 0x0, &(0x7f00000001c0)={&(0x7f0000000140)={0x48, r1, 0x1, 0x70bd2d, 0x25dfdbfd, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x8}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x25}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}]}, 0x48}, 0x1, 0x0, 0x0, 0x8}, 0x20000000) [ 1273.190784] RDX: 0000000000000000 RSI: 0000000020000200 RDI: 0000000000000004 [ 1273.190792] RBP: 00007fdb060d61d0 R08: 0000000000000000 R09: 0000000000000000 [ 1273.190799] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001 [ 1273.190807] R13: 00007ffe31bfaf7f R14: 00007fdb060d6300 R15: 0000000000022000 [ 1273.271777] FAULT_INJECTION: forcing a failure. [ 1273.271777] name failslab, interval 1, probability 0, space 0, times 0 [ 1273.271794] CPU: 1 PID: 24050 Comm: syz-executor.1 Not tainted 4.19.211-syzkaller #0 [ 1273.271802] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/16/2023 [ 1273.271807] Call Trace: [ 1273.271825] dump_stack+0x1fc/0x2ef [ 1273.271844] should_fail.cold+0xa/0xf [ 1273.271863] ? setup_fault_attr+0x200/0x200 [ 1273.271878] ? lock_acquire+0x170/0x3c0 [ 1273.271898] __should_failslab+0x115/0x180 [ 1273.271916] should_failslab+0x5/0x10 [ 1273.271930] kmem_cache_alloc_node_trace+0x244/0x3b0 [ 1273.271948] __kmalloc_node_track_caller+0x38/0x70 [ 1273.271963] __alloc_skb+0xae/0x560 [ 1273.271980] netlink_sendmsg+0x9f6/0xc50 [ 1273.271995] ? aa_af_perm+0x230/0x230 [ 1273.272016] ? nlmsg_notify+0x1f0/0x1f0 [ 1273.272027] ? kernel_recvmsg+0x220/0x220 [ 1273.272050] ? nlmsg_notify+0x1f0/0x1f0 [ 1273.272064] sock_sendmsg+0xc3/0x120 [ 1273.272078] ___sys_sendmsg+0x7bb/0x8e0 [ 1273.272093] ? check_preemption_disabled+0x41/0x280 [ 1273.272104] ? copy_msghdr_from_user+0x440/0x440 [ 1273.272117] ? __fget+0x32f/0x510 [ 1273.272133] ? lock_downgrade+0x720/0x720 [ 1273.272145] ? check_preemption_disabled+0x41/0x280 [ 1273.272159] ? check_preemption_disabled+0x41/0x280 [ 1273.272174] ? __fget+0x356/0x510 [ 1273.272188] ? do_dup2+0x450/0x450 [ 1273.272200] ? lock_downgrade+0x720/0x720 [ 1273.272213] ? vfs_write+0x3d7/0x540 [ 1273.272229] ? __fdget+0x1d0/0x230 [ 1273.272244] __x64_sys_sendmsg+0x132/0x220 [ 1273.272255] ? __sys_sendmsg+0x1b0/0x1b0 [ 1273.272265] ? vfs_write+0x393/0x540 [ 1273.272286] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 1273.272299] ? trace_hardirqs_off_caller+0x6e/0x210 [ 1273.272311] ? do_syscall_64+0x21/0x620 [ 1273.272325] do_syscall_64+0xf9/0x620 [ 1273.272339] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 1273.272349] RIP: 0033:0x7fac515fd0f9 [ 1273.272360] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 f1 19 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48 [ 1273.272367] RSP: 002b:00007fac4fb6f168 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 1273.272379] RAX: ffffffffffffffda RBX: 00007fac5171cf80 RCX: 00007fac515fd0f9 [ 1273.272386] RDX: 0000000000000000 RSI: 0000000020000200 RDI: 0000000000000005 [ 1273.272392] RBP: 00007fac4fb6f1d0 R08: 0000000000000000 R09: 0000000000000000 [ 1273.272398] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001 [ 1273.272405] R13: 00007fff5b2f766f R14: 00007fac4fb6f300 R15: 0000000000022000 [ 1273.340862] nbd: must specify an index to disconnect [ 1273.439774] block nbd1: not configured, cannot reconfigure [ 1273.439801] FAULT_INJECTION: forcing a failure. [ 1273.439801] name failslab, interval 1, probability 0, space 0, times 0 [ 1273.439816] CPU: 1 PID: 24072 Comm: syz-executor.1 Not tainted 4.19.211-syzkaller #0 [ 1273.439824] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/16/2023 [ 1273.439829] Call Trace: [ 1273.439847] dump_stack+0x1fc/0x2ef [ 1273.439867] should_fail.cold+0xa/0xf [ 1273.439885] ? setup_fault_attr+0x200/0x200 [ 1273.439900] ? lock_acquire+0x170/0x3c0 [ 1273.439921] __should_failslab+0x115/0x180 [ 1273.439938] should_failslab+0x5/0x10 [ 1273.439952] kmem_cache_alloc_node+0x245/0x3b0 [ 1273.439973] __alloc_skb+0x71/0x560 [ 1273.439991] netlink_ack+0x27d/0xae0 [ 1273.440005] ? __radix_tree_lookup+0x216/0x370 [ 1273.440020] ? netlink_sendmsg+0xc50/0xc50 [ 1273.440042] netlink_rcv_skb+0x353/0x440 [ 1273.440058] ? genl_family_rcv_msg+0xc40/0xc40 [ 1273.440073] ? netlink_ack+0xae0/0xae0 [ 1273.440090] ? genl_rcv+0x15/0x40 [ 1273.440111] genl_rcv+0x24/0x40 [ 1273.440127] netlink_unicast+0x4d5/0x690 [ 1273.440147] ? netlink_sendskb+0x110/0x110 [ 1273.440161] ? _copy_from_iter_full+0x229/0x7c0 [ 1273.440176] ? __phys_addr_symbol+0x2c/0x70 [ 1273.440193] ? __check_object_size+0x17b/0x3e0 [ 1273.440209] netlink_sendmsg+0x6c3/0xc50 [ 1273.440226] ? aa_af_perm+0x230/0x230 [ 1273.440239] ? nlmsg_notify+0x1f0/0x1f0 [ 1273.440250] ? kernel_recvmsg+0x220/0x220 [ 1273.440271] ? nlmsg_notify+0x1f0/0x1f0 [ 1273.440287] sock_sendmsg+0xc3/0x120 [ 1273.440300] ___sys_sendmsg+0x7bb/0x8e0 [ 1273.440318] ? check_preemption_disabled+0x41/0x280 [ 1273.440337] ? copy_msghdr_from_user+0x440/0x440 [ 1273.440353] ? __fget+0x32f/0x510 [ 1273.440374] ? lock_downgrade+0x720/0x720 [ 1273.440389] ? check_preemption_disabled+0x41/0x280 [ 1273.440406] ? check_preemption_disabled+0x41/0x280 [ 1273.440425] ? __fget+0x356/0x510 [ 1273.440442] ? do_dup2+0x450/0x450 [ 1273.440457] ? lock_downgrade+0x720/0x720 [ 1273.440474] ? vfs_write+0x3d7/0x540 [ 1273.440491] ? __fdget+0x1d0/0x230 [ 1273.440510] __x64_sys_sendmsg+0x132/0x220 [ 1273.440523] ? __sys_sendmsg+0x1b0/0x1b0 [ 1273.440535] ? vfs_write+0x393/0x540 [ 1273.440561] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 1273.440577] ? trace_hardirqs_off_caller+0x6e/0x210 [ 1273.440592] ? do_syscall_64+0x21/0x620 [ 1273.440609] do_syscall_64+0xf9/0x620 [ 1273.440627] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 1273.440639] RIP: 0033:0x7fac515fd0f9 [ 1273.440652] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 f1 19 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48 [ 1273.440659] RSP: 002b:00007fac4fb6f168 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 1273.440672] RAX: ffffffffffffffda RBX: 00007fac5171cf80 RCX: 00007fac515fd0f9 [ 1273.440680] RDX: 0000000000000000 RSI: 0000000020000200 RDI: 0000000000000005 [ 1273.440688] RBP: 00007fac4fb6f1d0 R08: 0000000000000000 R09: 0000000000000000 [ 1273.440695] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001 [ 1273.440704] R13: 00007fff5b2f766f R14: 00007fac4fb6f300 R15: 0000000000022000 [ 1273.514080] block nbd3: not configured, cannot reconfigure [ 1273.514101] FAULT_INJECTION: forcing a failure. [ 1273.514101] name failslab, interval 1, probability 0, space 0, times 0 [ 1273.514118] CPU: 1 PID: 24078 Comm: syz-executor.3 Not tainted 4.19.211-syzkaller #0 [ 1273.514126] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/16/2023 [ 1273.514131] Call Trace: [ 1273.514150] dump_stack+0x1fc/0x2ef [ 1273.514170] should_fail.cold+0xa/0xf [ 1273.514189] ? setup_fault_attr+0x200/0x200 [ 1273.514204] ? lock_acquire+0x170/0x3c0 [ 1273.514225] __should_failslab+0x115/0x180 [ 1273.514242] should_failslab+0x5/0x10 [ 1273.514256] kmem_cache_alloc_node+0x245/0x3b0 [ 1273.514276] __alloc_skb+0x71/0x560 [ 1273.514294] netlink_ack+0x27d/0xae0 [ 1273.514309] ? __radix_tree_lookup+0x216/0x370 [ 1273.514324] ? netlink_sendmsg+0xc50/0xc50 [ 1273.514346] netlink_rcv_skb+0x353/0x440 [ 1273.514369] ? genl_family_rcv_msg+0xc40/0xc40 [ 1273.514385] ? netlink_ack+0xae0/0xae0 [ 1273.514403] ? genl_rcv+0x15/0x40 [ 1273.514424] genl_rcv+0x24/0x40 [ 1273.514438] netlink_unicast+0x4d5/0x690 [ 1273.514455] ? netlink_sendskb+0x110/0x110 [ 1273.514469] ? _copy_from_iter_full+0x229/0x7c0 [ 1273.514483] ? __phys_addr_symbol+0x2c/0x70 [ 1273.514499] ? __check_object_size+0x17b/0x3e0 [ 1273.514517] netlink_sendmsg+0x6c3/0xc50 [ 1273.514535] ? aa_af_perm+0x230/0x230 [ 1273.514548] ? nlmsg_notify+0x1f0/0x1f0 [ 1273.514559] ? kernel_recvmsg+0x220/0x220 [ 1273.514580] ? nlmsg_notify+0x1f0/0x1f0 [ 1273.514595] sock_sendmsg+0xc3/0x120 [ 1273.514609] ___sys_sendmsg+0x7bb/0x8e0 [ 1273.514627] ? check_preemption_disabled+0x41/0x280 [ 1273.514640] ? copy_msghdr_from_user+0x440/0x440 [ 1273.514655] ? __fget+0x32f/0x510 [ 1273.514675] ? lock_downgrade+0x720/0x720 [ 1273.514690] ? check_preemption_disabled+0x41/0x280 [ 1273.514707] ? check_preemption_disabled+0x41/0x280 [ 1273.514725] ? __fget+0x356/0x510 [ 1273.514742] ? do_dup2+0x450/0x450 [ 1273.514755] ? lock_downgrade+0x720/0x720 [ 1273.514771] ? vfs_write+0x3d7/0x540 [ 1273.514789] ? __fdget+0x1d0/0x230 [ 1273.514812] __x64_sys_sendmsg+0x132/0x220 [ 1273.514826] ? __sys_sendmsg+0x1b0/0x1b0 [ 1273.514838] ? vfs_write+0x393/0x540 [ 1273.514864] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 1273.514880] ? trace_hardirqs_off_caller+0x6e/0x210 [ 1273.514894] ? do_syscall_64+0x21/0x620 [ 1273.514909] do_syscall_64+0xf9/0x620 [ 1273.514927] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 1273.514939] RIP: 0033:0x7fdb07b640f9 [ 1273.514952] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 f1 19 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48 [ 1273.514960] RSP: 002b:00007fdb060d6168 EFLAGS: 00000246 ORIG_RAX: 000000000000002e 08:01:51 executing program 5: r0 = syz_open_dev$ndb(&(0x7f00000002c0), 0x0, 0x0) ioctl$NBD_SET_SOCK(r0, 0x5421, 0xffffffffffffffff) r1 = syz_open_dev$vcsn(&(0x7f0000000140), 0x1, 0x0) ioctl$MEDIA_IOC_REQUEST_ALLOC(r1, 0x80047c05, &(0x7f0000000180)) r2 = syz_open_dev$vcsn(&(0x7f0000000140), 0x1, 0x0) ioctl$MEDIA_IOC_REQUEST_ALLOC(r2, 0x80047c05, &(0x7f0000000180)) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) syz_open_dev$ndb(&(0x7f00000002c0), 0x0, 0x0) (async) ioctl$NBD_SET_SOCK(r0, 0x5421, 0xffffffffffffffff) (async) syz_open_dev$vcsn(&(0x7f0000000140), 0x1, 0x0) (async) ioctl$MEDIA_IOC_REQUEST_ALLOC(r1, 0x80047c05, &(0x7f0000000180)) (async) syz_open_dev$vcsn(&(0x7f0000000140), 0x1, 0x0) (async) ioctl$MEDIA_IOC_REQUEST_ALLOC(r2, 0x80047c05, &(0x7f0000000180)) (async) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) (async) 08:01:51 executing program 0: r0 = syz_open_dev$ndb(&(0x7f00000002c0), 0x0, 0x0) ioctl$NBD_SET_SOCK(r0, 0x5452, 0xffffffffffffffff) (async) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_DISCONNECT(r2, &(0x7f00000008c0)={0x0, 0x0, &(0x7f0000000880)={0x0}}, 0x1) (async, rerun: 32) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (rerun: 32) sendmsg$NBD_CMD_DISCONNECT(r3, &(0x7f00000008c0)={0x0, 0x0, &(0x7f0000000880)={0x0}}, 0x1) (async) r4 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) r5 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r6 = syz_genetlink_get_family_id$nbd(&(0x7f0000000200), r5) sendmsg$NBD_CMD_DISCONNECT(r4, &(0x7f00000004c0)={&(0x7f00000003c0), 0xc, &(0x7f0000000480)={&(0x7f0000000400)={0x28, r6, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_BLOCK_SIZE_BYTES={0xc}, @NBD_ATTR_BACKEND_IDENTIFIER={0x5, 0xa, '^'}]}, 0x28}}, 0x0) (async) r7 = socket(0x0, 0x1, 0x53) sendmsg$NBD_CMD_RECONFIGURE(r3, &(0x7f0000000240)={&(0x7f0000000140)={0x10, 0x0, 0x0, 0x800}, 0xc, &(0x7f0000000200)={&(0x7f0000000180)={0x54, r6, 0x300, 0x6, 0x25dfdbfb, {}, [@NBD_ATTR_BACKEND_IDENTIFIER={0x8, 0xa, 'nbd\x00'}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x10001}, @NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8, 0x1, r7}, {0x8}]}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x3}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x3000000}]}, 0x54}, 0x1, 0x0, 0x0, 0x1}, 0x20008415) (async) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000100)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x20000}, 0xc, &(0x7f00000000c0)={&(0x7f0000000080)={0x20, 0x0, 0x2, 0x70bd2c, 0x25dfdbfb, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x22}]}, 0x20}, 0x1, 0x0, 0x0, 0x4000004}, 0x800) syz_genetlink_get_family_id$nbd(&(0x7f0000000000), r1) 08:01:51 executing program 1: syz_open_dev$ndb(&(0x7f00000002c0), 0x0, 0x0) r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000200), r1) sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f0000000200)={0x0, 0x0, &(0x7f00000001c0)={&(0x7f0000000140)={0x1c, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x1c}}, 0x0) (fail_nth: 4) 08:01:51 executing program 4: syz_open_dev$ndb(&(0x7f00000002c0), 0x0, 0x0) r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000200), r1) sendmsg$NBD_CMD_RECONFIGURE(r0, 0x0, 0x20000000) 08:01:51 executing program 2: r0 = socket$bt_cmtp(0x1f, 0x3, 0x5) (async) r1 = syz_init_net_socket$nl_rdma(0x10, 0x3, 0x10) sendmsg$BATADV_CMD_TP_METER_CANCEL(r1, &(0x7f0000001900)={&(0x7f0000001800), 0xc, 0x0}, 0x0) (async) ioctl$sock_bt_cmtp_CMTPCONNADD(r0, 0x400443c8, &(0x7f0000000000)={r1}) r2 = openat$ptmx(0xffffffffffffff9c, &(0x7f0000000040), 0x8502, 0x0) ioctl$TIOCNOTTY(r2, 0x5422) (async) ioctl$TIOCGPTPEER(r2, 0x5441, 0xdbb8) 08:01:51 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000200), r1) sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f0000000200)={0x0, 0x0, &(0x7f00000001c0)={&(0x7f0000000140)={0x1c, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x1c}}, 0x0) (fail_nth: 4) [ 1273.514974] RAX: ffffffffffffffda RBX: 00007fdb07c83f80 RCX: 00007fdb07b640f9 [ 1273.514982] RDX: 0000000000000000 RSI: 0000000020000200 RDI: 0000000000000004 [ 1273.514990] RBP: 00007fdb060d61d0 R08: 0000000000000000 R09: 0000000000000000 [ 1273.514998] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001 [ 1273.515006] R13: 00007ffe31bfaf7f R14: 00007fdb060d6300 R15: 0000000000022000 [ 1274.411931] block nbd3: not configured, cannot reconfigure [ 1274.425640] FAULT_INJECTION: forcing a failure. [ 1274.425640] name failslab, interval 1, probability 0, space 0, times 0 [ 1274.439498] block nbd1: not configured, cannot reconfigure [ 1274.452128] FAULT_INJECTION: forcing a failure. [ 1274.452128] name failslab, interval 1, probability 0, space 0, times 0 [ 1274.457494] CPU: 0 PID: 24093 Comm: syz-executor.3 Not tainted 4.19.211-syzkaller #0 [ 1274.471251] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/16/2023 [ 1274.480599] Call Trace: [ 1274.483190] dump_stack+0x1fc/0x2ef [ 1274.486824] should_fail.cold+0xa/0xf [ 1274.490627] ? setup_fault_attr+0x200/0x200 [ 1274.494952] ? lock_acquire+0x170/0x3c0 [ 1274.498956] __should_failslab+0x115/0x180 [ 1274.503191] should_failslab+0x5/0x10 [ 1274.506984] kmem_cache_alloc_node_trace+0x244/0x3b0 [ 1274.512083] __kmalloc_node_track_caller+0x38/0x70 [ 1274.517015] __alloc_skb+0xae/0x560 [ 1274.520638] netlink_ack+0x27d/0xae0 [ 1274.524345] ? __radix_tree_lookup+0x216/0x370 [ 1274.528928] ? netlink_sendmsg+0xc50/0xc50 [ 1274.533174] netlink_rcv_skb+0x353/0x440 [ 1274.537229] ? genl_family_rcv_msg+0xc40/0xc40 [ 1274.541808] ? netlink_ack+0xae0/0xae0 [ 1274.545687] ? genl_rcv+0x15/0x40 [ 1274.549140] genl_rcv+0x24/0x40 [ 1274.552413] netlink_unicast+0x4d5/0x690 [ 1274.556477] ? netlink_sendskb+0x110/0x110 08:01:52 executing program 4: syz_open_dev$ndb(&(0x7f00000002c0), 0x0, 0x0) r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000200), r1) sendmsg$NBD_CMD_RECONFIGURE(r0, 0x0, 0x20000000) 08:01:52 executing program 2: r0 = socket$bt_cmtp(0x1f, 0x3, 0x5) (async) r1 = syz_init_net_socket$nl_rdma(0x10, 0x3, 0x10) sendmsg$BATADV_CMD_TP_METER_CANCEL(r1, &(0x7f0000001900)={&(0x7f0000001800), 0xc, 0x0}, 0x0) ioctl$sock_bt_cmtp_CMTPCONNADD(r0, 0x400443c8, &(0x7f0000000000)={r1}) (async) r2 = openat$ptmx(0xffffffffffffff9c, &(0x7f0000000040), 0x8502, 0x0) ioctl$TIOCNOTTY(r2, 0x5422) (async) ioctl$TIOCGPTPEER(r2, 0x5441, 0xdbb8) [ 1274.560701] ? _copy_from_iter_full+0x229/0x7c0 [ 1274.565372] ? __phys_addr_symbol+0x2c/0x70 [ 1274.569691] ? __check_object_size+0x17b/0x3e0 [ 1274.574270] netlink_sendmsg+0x6c3/0xc50 [ 1274.578327] ? aa_af_perm+0x230/0x230 [ 1274.582447] ? nlmsg_notify+0x1f0/0x1f0 [ 1274.582461] ? kernel_recvmsg+0x220/0x220 [ 1274.590586] ? nlmsg_notify+0x1f0/0x1f0 08:01:52 executing program 0: r0 = syz_open_dev$ndb(&(0x7f00000002c0), 0x0, 0x0) ioctl$NBD_SET_SOCK(r0, 0x5452, 0xffffffffffffffff) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_DISCONNECT(r2, &(0x7f00000008c0)={0x0, 0x0, &(0x7f0000000880)={0x0}}, 0x1) (async) sendmsg$NBD_CMD_DISCONNECT(r2, &(0x7f00000008c0)={0x0, 0x0, &(0x7f0000000880)={0x0}}, 0x1) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_DISCONNECT(r3, &(0x7f00000008c0)={0x0, 0x0, &(0x7f0000000880)={0x0}}, 0x1) r4 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r5 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r6 = syz_genetlink_get_family_id$nbd(&(0x7f0000000200), r5) sendmsg$NBD_CMD_DISCONNECT(r4, &(0x7f00000004c0)={&(0x7f00000003c0), 0xc, &(0x7f0000000480)={&(0x7f0000000400)={0x28, r6, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_BLOCK_SIZE_BYTES={0xc}, @NBD_ATTR_BACKEND_IDENTIFIER={0x5, 0xa, '^'}]}, 0x28}}, 0x0) socket(0x0, 0x1, 0x53) (async) r7 = socket(0x0, 0x1, 0x53) sendmsg$NBD_CMD_RECONFIGURE(r3, &(0x7f0000000240)={&(0x7f0000000140)={0x10, 0x0, 0x0, 0x800}, 0xc, &(0x7f0000000200)={&(0x7f0000000180)={0x54, r6, 0x300, 0x6, 0x25dfdbfb, {}, [@NBD_ATTR_BACKEND_IDENTIFIER={0x8, 0xa, 'nbd\x00'}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x10001}, @NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8, 0x1, r7}, {0x8}]}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x3}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x3000000}]}, 0x54}, 0x1, 0x0, 0x0, 0x1}, 0x20008415) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000100)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x20000}, 0xc, &(0x7f00000000c0)={&(0x7f0000000080)={0x20, 0x0, 0x2, 0x70bd2c, 0x25dfdbfb, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x22}]}, 0x20}, 0x1, 0x0, 0x0, 0x4000004}, 0x800) syz_genetlink_get_family_id$nbd(&(0x7f0000000000), r1) [ 1274.590604] sock_sendmsg+0xc3/0x120 [ 1274.590618] ___sys_sendmsg+0x7bb/0x8e0 08:01:52 executing program 1: syz_open_dev$ndb(&(0x7f00000002c0), 0x0, 0x0) r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000200), r1) sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f0000000200)={0x0, 0x0, &(0x7f00000001c0)={&(0x7f0000000140)={0x1c, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x1c}}, 0x0) (fail_nth: 5) 08:01:52 executing program 2: ioctl$KDGETKEYCODE(0xffffffffffffffff, 0x4b4c, &(0x7f0000000000)={0x5, 0x81}) [ 1274.590636] ? check_preemption_disabled+0x41/0x280 08:01:52 executing program 4: syz_open_dev$ndb(&(0x7f00000002c0), 0x0, 0x0) r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000200), r1) sendmsg$NBD_CMD_RECONFIGURE(r0, 0x0, 0x20000000) [ 1274.590650] ? copy_msghdr_from_user+0x440/0x440 [ 1274.590667] ? __fget+0x32f/0x510 [ 1274.590687] ? lock_downgrade+0x720/0x720 [ 1274.590702] ? check_preemption_disabled+0x41/0x280 [ 1274.590733] ? check_preemption_disabled+0x41/0x280 [ 1274.590751] ? __fget+0x356/0x510 [ 1274.590768] ? do_dup2+0x450/0x450 [ 1274.590782] ? lock_downgrade+0x720/0x720 [ 1274.590797] ? vfs_write+0x3d7/0x540 [ 1274.590816] ? __fdget+0x1d0/0x230 [ 1274.590835] __x64_sys_sendmsg+0x132/0x220 [ 1274.590854] ? __sys_sendmsg+0x1b0/0x1b0 [ 1274.590868] ? vfs_write+0x393/0x540 [ 1274.590895] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 1274.590911] ? trace_hardirqs_off_caller+0x6e/0x210 [ 1274.590926] ? do_syscall_64+0x21/0x620 [ 1274.590943] do_syscall_64+0xf9/0x620 [ 1274.590960] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 1274.590972] RIP: 0033:0x7fdb07b640f9 [ 1274.590986] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 f1 19 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48 [ 1274.590994] RSP: 002b:00007fdb060d6168 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 1274.591007] RAX: ffffffffffffffda RBX: 00007fdb07c83f80 RCX: 00007fdb07b640f9 [ 1274.591016] RDX: 0000000000000000 RSI: 0000000020000200 RDI: 0000000000000004 [ 1274.591024] RBP: 00007fdb060d61d0 R08: 0000000000000000 R09: 0000000000000000 [ 1274.591032] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001 [ 1274.591040] R13: 00007ffe31bfaf7f R14: 00007fdb060d6300 R15: 0000000000022000 [ 1274.600991] nbd: must specify an index to disconnect [ 1274.615144] CPU: 1 PID: 24092 Comm: syz-executor.1 Not tainted 4.19.211-syzkaller #0 [ 1274.615152] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/16/2023 [ 1274.615156] Call Trace: [ 1274.615174] dump_stack+0x1fc/0x2ef [ 1274.615194] should_fail.cold+0xa/0xf [ 1274.615211] ? setup_fault_attr+0x200/0x200 [ 1274.615226] ? lock_acquire+0x170/0x3c0 [ 1274.615248] __should_failslab+0x115/0x180 [ 1274.615265] should_failslab+0x5/0x10 [ 1274.615280] kmem_cache_alloc_node_trace+0x244/0x3b0 [ 1274.615299] __kmalloc_node_track_caller+0x38/0x70 [ 1274.615316] __alloc_skb+0xae/0x560 [ 1274.615334] netlink_ack+0x27d/0xae0 [ 1274.615354] ? __radix_tree_lookup+0x216/0x370 [ 1274.615369] ? netlink_sendmsg+0xc50/0xc50 [ 1274.615392] netlink_rcv_skb+0x353/0x440 [ 1274.615407] ? genl_family_rcv_msg+0xc40/0xc40 [ 1274.615423] ? netlink_ack+0xae0/0xae0 [ 1274.615439] ? genl_rcv+0x15/0x40 [ 1274.615460] genl_rcv+0x24/0x40 [ 1274.615473] netlink_unicast+0x4d5/0x690 [ 1274.615491] ? netlink_sendskb+0x110/0x110 [ 1274.615504] ? _copy_from_iter_full+0x229/0x7c0 [ 1274.615519] ? __phys_addr_symbol+0x2c/0x70 [ 1274.615535] ? __check_object_size+0x17b/0x3e0 [ 1274.615553] netlink_sendmsg+0x6c3/0xc50 [ 1274.615570] ? aa_af_perm+0x230/0x230 [ 1274.615583] ? nlmsg_notify+0x1f0/0x1f0 [ 1274.615594] ? kernel_recvmsg+0x220/0x220 [ 1274.615615] ? nlmsg_notify+0x1f0/0x1f0 [ 1274.615631] sock_sendmsg+0xc3/0x120 [ 1274.615645] ___sys_sendmsg+0x7bb/0x8e0 [ 1274.615662] ? check_preemption_disabled+0x41/0x280 [ 1274.615676] ? copy_msghdr_from_user+0x440/0x440 [ 1274.615691] ? __fget+0x32f/0x510 [ 1274.615711] ? lock_downgrade+0x720/0x720 [ 1274.615726] ? check_preemption_disabled+0x41/0x280 [ 1274.615743] ? check_preemption_disabled+0x41/0x280 [ 1274.615761] ? __fget+0x356/0x510 [ 1274.615777] ? do_dup2+0x450/0x450 [ 1274.615790] ? lock_downgrade+0x720/0x720 [ 1274.615804] ? vfs_write+0x3d7/0x540 [ 1274.615821] ? __fdget+0x1d0/0x230 [ 1274.615840] __x64_sys_sendmsg+0x132/0x220 [ 1274.615853] ? __sys_sendmsg+0x1b0/0x1b0 [ 1274.615863] ? vfs_write+0x393/0x540 [ 1274.615890] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 1274.615905] ? trace_hardirqs_off_caller+0x6e/0x210 [ 1274.615919] ? do_syscall_64+0x21/0x620 [ 1274.615935] do_syscall_64+0xf9/0x620 [ 1274.615954] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 1274.615966] RIP: 0033:0x7fac515fd0f9 [ 1274.615979] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 f1 19 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48 [ 1274.615987] RSP: 002b:00007fac4fb6f168 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 1274.616000] RAX: ffffffffffffffda RBX: 00007fac5171cf80 RCX: 00007fac515fd0f9 [ 1274.616009] RDX: 0000000000000000 RSI: 0000000020000200 RDI: 0000000000000005 [ 1274.616017] RBP: 00007fac4fb6f1d0 R08: 0000000000000000 R09: 0000000000000000 [ 1274.616025] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001 08:01:52 executing program 5: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x20a001) r1 = syz_open_dev$vcsn(&(0x7f0000000140), 0x1, 0x0) ioctl$MEDIA_IOC_REQUEST_ALLOC(r1, 0x80047c05, &(0x7f0000000180)) ioctl$NBD_CLEAR_SOCK(r1, 0xab04) ioctl$KDSKBMETA(0xffffffffffffffff, 0x4b63, &(0x7f0000000040)=0x3) ioctl$NBD_SET_SOCK(r0, 0x5421, 0xffffffffffffffff) 08:01:52 executing program 1: syz_open_dev$ndb(&(0x7f00000002c0), 0x0, 0x0) r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000200), r1) sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f0000000200)={0x0, 0x0, &(0x7f00000001c0)={&(0x7f0000000140)={0x1c, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x1c}}, 0x0) 08:01:52 executing program 2: ioctl$KDGETKEYCODE(0xffffffffffffffff, 0x4b4c, &(0x7f0000000000)={0x5, 0x81}) 08:01:52 executing program 0: r0 = syz_open_dev$ndb(&(0x7f00000002c0), 0x0, 0x0) ioctl$NBD_SET_SOCK(r0, 0x5452, 0xffffffffffffffff) 08:01:52 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000200), r1) sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f0000000200)={0x0, 0x0, &(0x7f00000001c0)={&(0x7f0000000140)={0x1c, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x1c}}, 0x0) (fail_nth: 5) 08:01:52 executing program 4: syz_open_dev$ndb(&(0x7f00000002c0), 0x0, 0x0) r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000200), r1) sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f0000000200)={0x0, 0x0, 0x0, 0x1, 0x0, 0x0, 0x8}, 0x20000000) [ 1274.616033] R13: 00007fff5b2f766f R14: 00007fac4fb6f300 R15: 0000000000022000 [ 1274.693784] nbd: must specify an index to disconnect [ 1274.714966] block nbd1: not configured, cannot reconfigure 08:01:52 executing program 5: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x20a001) (async, rerun: 64) r1 = syz_open_dev$vcsn(&(0x7f0000000140), 0x1, 0x0) (rerun: 64) ioctl$MEDIA_IOC_REQUEST_ALLOC(r1, 0x80047c05, &(0x7f0000000180)) (async, rerun: 32) ioctl$NBD_CLEAR_SOCK(r1, 0xab04) (async, rerun: 32) ioctl$KDSKBMETA(0xffffffffffffffff, 0x4b63, &(0x7f0000000040)=0x3) (async) ioctl$NBD_SET_SOCK(r0, 0x5421, 0xffffffffffffffff) 08:01:52 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000200), r1) sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f0000000200)={0x0, 0x0, &(0x7f00000001c0)={&(0x7f0000000140)={0x1c, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x1c}}, 0x0) 08:01:52 executing program 1: syz_open_dev$ndb(&(0x7f00000002c0), 0x0, 0x0) r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000200), r1) sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f0000000200)={0x0, 0x0, &(0x7f00000001c0)={&(0x7f0000000140)={0x1c, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x1c}}, 0x0) [ 1275.277586] block nbd1: not configured, cannot reconfigure [ 1275.286197] block nbd3: not configured, cannot reconfigure 08:01:52 executing program 2: ioctl$KDGETKEYCODE(0xffffffffffffffff, 0x4b4c, &(0x7f0000000000)={0x5, 0x81}) 08:01:52 executing program 4: syz_open_dev$ndb(&(0x7f00000002c0), 0x0, 0x0) r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000200), r1) sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f0000000200)={0x0, 0x0, 0x0, 0x1, 0x0, 0x0, 0x8}, 0x20000000) 08:01:52 executing program 0: r0 = syz_open_dev$ndb(&(0x7f00000002c0), 0x0, 0x0) ioctl$NBD_SET_SOCK(r0, 0x5452, 0xffffffffffffffff) syz_open_dev$ndb(&(0x7f00000002c0), 0x0, 0x0) (async) ioctl$NBD_SET_SOCK(r0, 0x5452, 0xffffffffffffffff) (async) 08:01:52 executing program 2: r0 = openat$ptmx(0xffffffffffffff9c, &(0x7f0000000040), 0x0, 0x0) r1 = syz_init_net_socket$nl_rdma(0x10, 0x3, 0x10) sendmsg$RDMA_NLDEV_CMD_RES_MR_GET(r1, &(0x7f0000000140)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x8000000}, 0xc, &(0x7f0000000100)={&(0x7f0000000080)={0x58, 0x140d, 0x400, 0x70bd26, 0x25dfdbfb, "", [@RDMA_NLDEV_ATTR_DEV_INDEX={0x8}, @RDMA_NLDEV_ATTR_DEV_INDEX={0x8}, @RDMA_NLDEV_ATTR_RES_MRN={0x8, 0x3e, 0x5}, @RDMA_NLDEV_ATTR_RES_MRN={0x8, 0x3e, 0x5}, @RDMA_NLDEV_ATTR_PORT_INDEX={0x8, 0x3, 0x2}, @RDMA_NLDEV_ATTR_DEV_INDEX={0x8, 0x1, 0x1}, @RDMA_NLDEV_ATTR_RES_MRN={0x8, 0x3e, 0x5}, @RDMA_NLDEV_ATTR_PORT_INDEX={0x8, 0x3, 0x4}, @RDMA_NLDEV_ATTR_PORT_INDEX={0x8, 0x3, 0x3}]}, 0x58}, 0x1, 0x0, 0x0, 0x10}, 0x8c1) ioctl$TIOCGPTPEER(r0, 0x5441, 0x32f) 08:01:52 executing program 4: syz_open_dev$ndb(&(0x7f00000002c0), 0x0, 0x0) r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000200), r1) sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f0000000200)={0x0, 0x0, 0x0, 0x1, 0x0, 0x0, 0x8}, 0x20000000) [ 1275.356189] block nbd3: not configured, cannot reconfigure 08:01:52 executing program 5: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x20a001) r1 = syz_open_dev$vcsn(&(0x7f0000000140), 0x1, 0x0) ioctl$MEDIA_IOC_REQUEST_ALLOC(r1, 0x80047c05, &(0x7f0000000180)) ioctl$NBD_CLEAR_SOCK(r1, 0xab04) ioctl$KDSKBMETA(0xffffffffffffffff, 0x4b63, &(0x7f0000000040)=0x3) ioctl$NBD_SET_SOCK(r0, 0x5421, 0xffffffffffffffff) syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x20a001) (async) syz_open_dev$vcsn(&(0x7f0000000140), 0x1, 0x0) (async) ioctl$MEDIA_IOC_REQUEST_ALLOC(r1, 0x80047c05, &(0x7f0000000180)) (async) ioctl$NBD_CLEAR_SOCK(r1, 0xab04) (async) ioctl$KDSKBMETA(0xffffffffffffffff, 0x4b63, &(0x7f0000000040)=0x3) (async) ioctl$NBD_SET_SOCK(r0, 0x5421, 0xffffffffffffffff) (async) 08:01:52 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000200), r1) sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f0000000200)={0x0, 0x0, &(0x7f00000001c0)={&(0x7f0000000140)={0x1c, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x1c}}, 0x0) 08:01:52 executing program 0: r0 = syz_open_dev$ndb(&(0x7f00000002c0), 0x0, 0x0) ioctl$NBD_SET_SOCK(r0, 0x5452, 0xffffffffffffffff) syz_open_dev$ndb(&(0x7f00000002c0), 0x0, 0x0) (async) ioctl$NBD_SET_SOCK(r0, 0x5452, 0xffffffffffffffff) (async) 08:01:53 executing program 1: syz_open_dev$ndb(&(0x7f00000002c0), 0x0, 0x0) r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000200), r1) sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f0000000200)={0x0, 0x2, &(0x7f00000001c0)={&(0x7f0000000140)={0x1c, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x1c}}, 0x0) [ 1275.426608] block nbd1: not configured, cannot reconfigure 08:01:53 executing program 2: openat$ptmx(0xffffffffffffff9c, &(0x7f0000000040), 0x0, 0x0) (async) r0 = openat$ptmx(0xffffffffffffff9c, &(0x7f0000000040), 0x0, 0x0) r1 = syz_init_net_socket$nl_rdma(0x10, 0x3, 0x10) sendmsg$RDMA_NLDEV_CMD_RES_MR_GET(r1, &(0x7f0000000140)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x8000000}, 0xc, &(0x7f0000000100)={&(0x7f0000000080)={0x58, 0x140d, 0x400, 0x70bd26, 0x25dfdbfb, "", [@RDMA_NLDEV_ATTR_DEV_INDEX={0x8}, @RDMA_NLDEV_ATTR_DEV_INDEX={0x8}, @RDMA_NLDEV_ATTR_RES_MRN={0x8, 0x3e, 0x5}, @RDMA_NLDEV_ATTR_RES_MRN={0x8, 0x3e, 0x5}, @RDMA_NLDEV_ATTR_PORT_INDEX={0x8, 0x3, 0x2}, @RDMA_NLDEV_ATTR_DEV_INDEX={0x8, 0x1, 0x1}, @RDMA_NLDEV_ATTR_RES_MRN={0x8, 0x3e, 0x5}, @RDMA_NLDEV_ATTR_PORT_INDEX={0x8, 0x3, 0x4}, @RDMA_NLDEV_ATTR_PORT_INDEX={0x8, 0x3, 0x3}]}, 0x58}, 0x1, 0x0, 0x0, 0x10}, 0x8c1) ioctl$TIOCGPTPEER(r0, 0x5441, 0x32f) 08:01:53 executing program 4: syz_open_dev$ndb(&(0x7f00000002c0), 0x0, 0x0) r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000200), r1) sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f0000000200)={0x0, 0x0, &(0x7f00000001c0)={0x0}, 0x1, 0x0, 0x0, 0x8}, 0x20000000) 08:01:53 executing program 5: syz_open_dev$ndb(&(0x7f00000002c0), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000000)) r0 = syz_open_dev$vcsn(&(0x7f0000000040), 0x3, 0x18b101) r1 = open(&(0x7f0000000080)='./file0\x00', 0x42000, 0x10) sendmsg$RDMA_NLDEV_CMD_SET(r0, &(0x7f0000000180)={&(0x7f00000000c0)={0x10, 0x0, 0x0, 0x1000000}, 0xc, &(0x7f0000000140)={&(0x7f0000000100)=ANY=[@ANYBLOB="10000800a4c5093c0b19a100000214fc0029bd7000fcdbdf25"], 0x10}, 0x1, 0x0, 0x0, 0x20000091}, 0x4840) ioctl$NBD_SET_SOCK(r0, 0x5421, r1) 08:01:53 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000200), r1) sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f0000000200)={0x0, 0x2, &(0x7f00000001c0)={&(0x7f0000000140)={0x1c, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x1c}}, 0x0) 08:01:53 executing program 0: r0 = syz_open_dev$ndb(&(0x7f00000002c0), 0x0, 0x0) ioctl$AUTOFS_DEV_IOCTL_REQUESTER(0xffffffffffffffff, 0xc018937b, &(0x7f0000000000)={{0x1, 0x1, 0x18, r0, {0xffffffffffffffff}}, './file0\x00'}) ioctl$USBDEVFS_SETINTERFACE(r1, 0x80085504, &(0x7f0000000040)={0x100, 0xfffffff8}) r2 = syz_open_dev$vcsn(&(0x7f0000000140), 0x1, 0x0) ioctl$MEDIA_IOC_REQUEST_ALLOC(r2, 0x80047c05, &(0x7f0000000180)) r3 = syz_genetlink_get_family_id$batadv(&(0x7f0000000100), r1) sendmsg$BATADV_CMD_GET_TRANSTABLE_GLOBAL(r2, &(0x7f0000000200)={&(0x7f0000000080)={0x10, 0x0, 0x0, 0x80000000}, 0xc, &(0x7f00000001c0)={&(0x7f0000000140)={0x54, r3, 0x20, 0x70bd2d, 0x25dfdbff, {}, [@BATADV_ATTR_VLANID={0x6}, @BATADV_ATTR_MULTICAST_FORCEFLOOD_ENABLED={0x5}, @BATADV_ATTR_MULTICAST_FANOUT={0x8, 0x3c, 0x7122}, @BATADV_ATTR_ELP_INTERVAL={0x8, 0x3a, 0x5}, @BATADV_ATTR_ISOLATION_MASK={0x8, 0x2c, 0x5}, @BATADV_ATTR_ELP_INTERVAL={0x8}, @BATADV_ATTR_MULTICAST_FORCEFLOOD_ENABLED={0x5}, @BATADV_ATTR_BONDING_ENABLED={0x5}]}, 0x54}, 0x1, 0x0, 0x0, 0x8c1}, 0x0) ioctl$USBDEVFS_FREE_STREAMS(r1, 0x8008551d, &(0x7f00000000c0)={0x8005999, 0x8, [{0xa, 0x1}, {0x7, 0x1}, {0x8, 0x1}, {0xe}, {0xc}, {0xf, 0x1}, {0xe, 0x1}, {0xf, 0x1}]}) ioctl$NBD_SET_SOCK(r0, 0x5452, 0xffffffffffffffff) 08:01:53 executing program 2: r0 = openat$ptmx(0xffffffffffffff9c, &(0x7f0000000040), 0x0, 0x0) (async) r1 = syz_init_net_socket$nl_rdma(0x10, 0x3, 0x10) sendmsg$RDMA_NLDEV_CMD_RES_MR_GET(r1, &(0x7f0000000140)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x8000000}, 0xc, &(0x7f0000000100)={&(0x7f0000000080)={0x58, 0x140d, 0x400, 0x70bd26, 0x25dfdbfb, "", [@RDMA_NLDEV_ATTR_DEV_INDEX={0x8}, @RDMA_NLDEV_ATTR_DEV_INDEX={0x8}, @RDMA_NLDEV_ATTR_RES_MRN={0x8, 0x3e, 0x5}, @RDMA_NLDEV_ATTR_RES_MRN={0x8, 0x3e, 0x5}, @RDMA_NLDEV_ATTR_PORT_INDEX={0x8, 0x3, 0x2}, @RDMA_NLDEV_ATTR_DEV_INDEX={0x8, 0x1, 0x1}, @RDMA_NLDEV_ATTR_RES_MRN={0x8, 0x3e, 0x5}, @RDMA_NLDEV_ATTR_PORT_INDEX={0x8, 0x3, 0x4}, @RDMA_NLDEV_ATTR_PORT_INDEX={0x8, 0x3, 0x3}]}, 0x58}, 0x1, 0x0, 0x0, 0x10}, 0x8c1) (async) ioctl$TIOCGPTPEER(r0, 0x5441, 0x32f) 08:01:53 executing program 5: syz_open_dev$ndb(&(0x7f00000002c0), 0x0, 0x0) (async) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000000)) r0 = syz_open_dev$vcsn(&(0x7f0000000040), 0x3, 0x18b101) (async) r1 = open(&(0x7f0000000080)='./file0\x00', 0x42000, 0x10) sendmsg$RDMA_NLDEV_CMD_SET(r0, &(0x7f0000000180)={&(0x7f00000000c0)={0x10, 0x0, 0x0, 0x1000000}, 0xc, &(0x7f0000000140)={&(0x7f0000000100)=ANY=[@ANYBLOB="10000800a4c5093c0b19a100000214fc0029bd7000fcdbdf25"], 0x10}, 0x1, 0x0, 0x0, 0x20000091}, 0x4840) (async) ioctl$NBD_SET_SOCK(r0, 0x5421, r1) 08:01:53 executing program 1: syz_open_dev$ndb(&(0x7f00000002c0), 0x0, 0x0) r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000200), r1) sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f0000000200)={0x0, 0x3, &(0x7f00000001c0)={&(0x7f0000000140)={0x1c, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x1c}}, 0x0) [ 1275.509320] block nbd3: not configured, cannot reconfigure [ 1275.530804] block nbd1: not configured, cannot reconfigure 08:01:53 executing program 4: syz_open_dev$ndb(&(0x7f00000002c0), 0x0, 0x0) r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000200), r1) sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f0000000200)={0x0, 0x0, &(0x7f00000001c0)={0x0}, 0x1, 0x0, 0x0, 0x8}, 0x20000000) 08:01:53 executing program 5: syz_open_dev$ndb(&(0x7f00000002c0), 0x0, 0x0) (async) syz_open_dev$ndb(&(0x7f00000002c0), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000000)) r0 = syz_open_dev$vcsn(&(0x7f0000000040), 0x3, 0x18b101) r1 = open(&(0x7f0000000080)='./file0\x00', 0x42000, 0x10) sendmsg$RDMA_NLDEV_CMD_SET(r0, &(0x7f0000000180)={&(0x7f00000000c0)={0x10, 0x0, 0x0, 0x1000000}, 0xc, &(0x7f0000000140)={&(0x7f0000000100)=ANY=[@ANYBLOB="10000800a4c5093c0b19a100000214fc0029bd7000fcdbdf25"], 0x10}, 0x1, 0x0, 0x0, 0x20000091}, 0x4840) ioctl$NBD_SET_SOCK(r0, 0x5421, r1) (async) ioctl$NBD_SET_SOCK(r0, 0x5421, r1) 08:01:53 executing program 2: r0 = syz_open_dev$tty20(0xc, 0x4, 0x1) ioctl$TCSETSF(r0, 0x5404, &(0x7f0000000900)={0x0, 0x0, 0x0, 0x0, 0x0, "9750da5e3b38a0e557884e87596d6020c84d50"}) r1 = ioctl$TIOCGPTPEER(0xffffffffffffffff, 0x5441, 0x9) ioctl$KDGKBSENT(r1, 0x4b48, &(0x7f0000000080)={0x1, "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"}) 08:01:53 executing program 0: r0 = syz_open_dev$ndb(&(0x7f00000002c0), 0x0, 0x0) ioctl$AUTOFS_DEV_IOCTL_REQUESTER(0xffffffffffffffff, 0xc018937b, &(0x7f0000000000)={{0x1, 0x1, 0x18, r0, {0xffffffffffffffff}}, './file0\x00'}) ioctl$USBDEVFS_SETINTERFACE(r1, 0x80085504, &(0x7f0000000040)={0x100, 0xfffffff8}) (async, rerun: 64) r2 = syz_open_dev$vcsn(&(0x7f0000000140), 0x1, 0x0) (rerun: 64) ioctl$MEDIA_IOC_REQUEST_ALLOC(r2, 0x80047c05, &(0x7f0000000180)) (async) r3 = syz_genetlink_get_family_id$batadv(&(0x7f0000000100), r1) sendmsg$BATADV_CMD_GET_TRANSTABLE_GLOBAL(r2, &(0x7f0000000200)={&(0x7f0000000080)={0x10, 0x0, 0x0, 0x80000000}, 0xc, &(0x7f00000001c0)={&(0x7f0000000140)={0x54, r3, 0x20, 0x70bd2d, 0x25dfdbff, {}, [@BATADV_ATTR_VLANID={0x6}, @BATADV_ATTR_MULTICAST_FORCEFLOOD_ENABLED={0x5}, @BATADV_ATTR_MULTICAST_FANOUT={0x8, 0x3c, 0x7122}, @BATADV_ATTR_ELP_INTERVAL={0x8, 0x3a, 0x5}, @BATADV_ATTR_ISOLATION_MASK={0x8, 0x2c, 0x5}, @BATADV_ATTR_ELP_INTERVAL={0x8}, @BATADV_ATTR_MULTICAST_FORCEFLOOD_ENABLED={0x5}, @BATADV_ATTR_BONDING_ENABLED={0x5}]}, 0x54}, 0x1, 0x0, 0x0, 0x8c1}, 0x0) ioctl$USBDEVFS_FREE_STREAMS(r1, 0x8008551d, &(0x7f00000000c0)={0x8005999, 0x8, [{0xa, 0x1}, {0x7, 0x1}, {0x8, 0x1}, {0xe}, {0xc}, {0xf, 0x1}, {0xe, 0x1}, {0xf, 0x1}]}) (async) ioctl$NBD_SET_SOCK(r0, 0x5452, 0xffffffffffffffff) 08:01:53 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000200), r1) sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f0000000200)={0x0, 0x3, &(0x7f00000001c0)={&(0x7f0000000140)={0x1c, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x1c}}, 0x0) [ 1275.611389] block nbd3: not configured, cannot reconfigure [ 1275.642810] block nbd1: not configured, cannot reconfigure 08:01:53 executing program 4: syz_open_dev$ndb(&(0x7f00000002c0), 0x0, 0x0) r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000200), r1) sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f0000000200)={0x0, 0x0, &(0x7f00000001c0)={0x0}, 0x1, 0x0, 0x0, 0x8}, 0x20000000) 08:01:53 executing program 5: ioctl$AUTOFS_DEV_IOCTL_REQUESTER(0xffffffffffffffff, 0xc018937b, &(0x7f0000000000)={{0x1, 0x1, 0x18, 0xffffffffffffffff}, './file0\x00'}) ioctl$KDSKBENT(r0, 0x4b47, &(0x7f0000000040)={0xb3, 0x2d, 0x6}) r1 = syz_open_dev$ndb(&(0x7f00000002c0), 0x0, 0x0) ioctl$NBD_SET_SOCK(r1, 0x5421, 0xffffffffffffffff) r2 = syz_open_dev$tty20(0xc, 0x4, 0x1) ioctl$TCSETSF(r2, 0x5404, &(0x7f0000000900)={0x0, 0x0, 0x0, 0x0, 0x0, "9750da5e3b38a0e557884e87596d6020c84d50"}) ioctl$TIOCGPTPEER(r2, 0x5441, 0xe4) 08:01:53 executing program 1: syz_open_dev$ndb(&(0x7f00000002c0), 0x0, 0x0) r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000200), r1) sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f0000000200)={0x0, 0x4, &(0x7f00000001c0)={&(0x7f0000000140)={0x1c, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x1c}}, 0x0) 08:01:53 executing program 2: r0 = syz_open_dev$tty20(0xc, 0x4, 0x1) ioctl$TCSETSF(r0, 0x5404, &(0x7f0000000900)={0x0, 0x0, 0x0, 0x0, 0x0, "9750da5e3b38a0e557884e87596d6020c84d50"}) (async) r1 = ioctl$TIOCGPTPEER(0xffffffffffffffff, 0x5441, 0x9) ioctl$KDGKBSENT(r1, 0x4b48, &(0x7f0000000080)={0x1, "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"}) 08:01:53 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000200), r1) sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f0000000200)={0x0, 0x4, &(0x7f00000001c0)={&(0x7f0000000140)={0x1c, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x1c}}, 0x0) [ 1275.694372] block nbd3: not configured, cannot reconfigure 08:01:53 executing program 0: r0 = syz_open_dev$ndb(&(0x7f00000002c0), 0x0, 0x0) ioctl$AUTOFS_DEV_IOCTL_REQUESTER(0xffffffffffffffff, 0xc018937b, &(0x7f0000000000)={{0x1, 0x1, 0x18, r0, {0xffffffffffffffff}}, './file0\x00'}) ioctl$USBDEVFS_SETINTERFACE(r1, 0x80085504, &(0x7f0000000040)={0x100, 0xfffffff8}) (async) r2 = syz_open_dev$vcsn(&(0x7f0000000140), 0x1, 0x0) ioctl$MEDIA_IOC_REQUEST_ALLOC(r2, 0x80047c05, &(0x7f0000000180)) (async, rerun: 64) r3 = syz_genetlink_get_family_id$batadv(&(0x7f0000000100), r1) (rerun: 64) sendmsg$BATADV_CMD_GET_TRANSTABLE_GLOBAL(r2, &(0x7f0000000200)={&(0x7f0000000080)={0x10, 0x0, 0x0, 0x80000000}, 0xc, &(0x7f00000001c0)={&(0x7f0000000140)={0x54, r3, 0x20, 0x70bd2d, 0x25dfdbff, {}, [@BATADV_ATTR_VLANID={0x6}, @BATADV_ATTR_MULTICAST_FORCEFLOOD_ENABLED={0x5}, @BATADV_ATTR_MULTICAST_FANOUT={0x8, 0x3c, 0x7122}, @BATADV_ATTR_ELP_INTERVAL={0x8, 0x3a, 0x5}, @BATADV_ATTR_ISOLATION_MASK={0x8, 0x2c, 0x5}, @BATADV_ATTR_ELP_INTERVAL={0x8}, @BATADV_ATTR_MULTICAST_FORCEFLOOD_ENABLED={0x5}, @BATADV_ATTR_BONDING_ENABLED={0x5}]}, 0x54}, 0x1, 0x0, 0x0, 0x8c1}, 0x0) ioctl$USBDEVFS_FREE_STREAMS(r1, 0x8008551d, &(0x7f00000000c0)={0x8005999, 0x8, [{0xa, 0x1}, {0x7, 0x1}, {0x8, 0x1}, {0xe}, {0xc}, {0xf, 0x1}, {0xe, 0x1}, {0xf, 0x1}]}) (async, rerun: 64) ioctl$NBD_SET_SOCK(r0, 0x5452, 0xffffffffffffffff) (rerun: 64) 08:01:53 executing program 4: syz_open_dev$ndb(&(0x7f00000002c0), 0x0, 0x0) r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000200), r1) sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f0000000200)={0x0, 0x0, &(0x7f00000001c0)={&(0x7f0000000140)={0x48, 0x0, 0x1, 0x70bd2d, 0x25dfdbfd, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x8}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x25}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}]}, 0x48}, 0x1, 0x0, 0x0, 0x8}, 0x20000000) 08:01:53 executing program 5: ioctl$AUTOFS_DEV_IOCTL_REQUESTER(0xffffffffffffffff, 0xc018937b, &(0x7f0000000000)={{0x1, 0x1, 0x18}, './file0\x00'}) (async) ioctl$AUTOFS_DEV_IOCTL_REQUESTER(0xffffffffffffffff, 0xc018937b, &(0x7f0000000000)={{0x1, 0x1, 0x18, 0xffffffffffffffff}, './file0\x00'}) ioctl$KDSKBENT(r0, 0x4b47, &(0x7f0000000040)={0xb3, 0x2d, 0x6}) r1 = syz_open_dev$ndb(&(0x7f00000002c0), 0x0, 0x0) ioctl$NBD_SET_SOCK(r1, 0x5421, 0xffffffffffffffff) (async) ioctl$NBD_SET_SOCK(r1, 0x5421, 0xffffffffffffffff) r2 = syz_open_dev$tty20(0xc, 0x4, 0x1) ioctl$TCSETSF(r2, 0x5404, &(0x7f0000000900)={0x0, 0x0, 0x0, 0x0, 0x0, "9750da5e3b38a0e557884e87596d6020c84d50"}) ioctl$TIOCGPTPEER(r2, 0x5441, 0xe4) 08:01:53 executing program 2: r0 = syz_open_dev$tty20(0xc, 0x4, 0x1) ioctl$TCSETSF(r0, 0x5404, &(0x7f0000000900)={0x0, 0x0, 0x0, 0x0, 0x0, "9750da5e3b38a0e557884e87596d6020c84d50"}) r1 = ioctl$TIOCGPTPEER(0xffffffffffffffff, 0x5441, 0x9) ioctl$KDGKBSENT(r1, 0x4b48, &(0x7f0000000080)={0x1, "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"}) syz_open_dev$tty20(0xc, 0x4, 0x1) (async) ioctl$TCSETSF(r0, 0x5404, &(0x7f0000000900)={0x0, 0x0, 0x0, 0x0, 0x0, "9750da5e3b38a0e557884e87596d6020c84d50"}) (async) ioctl$TIOCGPTPEER(0xffffffffffffffff, 0x5441, 0x9) (async) ioctl$KDGKBSENT(r1, 0x4b48, &(0x7f0000000080)={0x1, "7e35858cb2e411617db9dc51abd0882f05b81fea3cdb682bd6949030567e610bbefe87e3cef091a36fec0363e731ad4878541c99c27899dcaab19f7afa8bccd33d8caf2df6b72bc8a861b3fd6b0c674fe215c65fc77b1cb9c87ff4f7b05bd3456764f222a82a2c5d96bab74662c6466cb2dc95a4defa46e39f21e984fffbe2616195dcd9fa0fde313be10105521f1f7b0c2c3cdbe853b151d0f83115a39b83604b22637ebeb101e6184704154a287b25877ef9131ebd7ace1b148a8de92d3d3f2fab4c132fafc12dd9d48eb79d96b121d58defacb57d81f8c150eb0e957ab60d2671c1dbd4946e2afb5adf8ed57ef2fceef805d84a1c66647669dfabfecb54165ddf04c3135ae74b11fb8a38da3bff0688c10c3d75345bc85bbc8d4efa85bc10b8d43165d0a69b49f2f00e0a0e65c6b276d814f97653813d632be396f39f765b73ab66e3d3a9893941cba61e5e5a6ac43ca865bf5e3c8d9e2f2d6ee3c2b5c579ae352d2187155357b12e21e2fd3a1c304dfe4a0385fa5eb2e2bd12acc92ebb3faceb0f9488493b700f83299445391a5fc807c543a3197d73137f576d5826fd768039ddae580618967f8772f3a19f74e01d31771569a62244668d9e3cd60c29de52f3df35d03b909125c700b350a00419c468fd361384f2177aac078168ed7e8043913764b61003ad129ff2a8cfa0d16e8c6359c66a8aba4393f61ae61a428c34"}) (async) 08:01:53 executing program 1: syz_open_dev$ndb(&(0x7f00000002c0), 0x0, 0x0) r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000200), r1) sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f0000000200)={0x0, 0x5, &(0x7f00000001c0)={&(0x7f0000000140)={0x1c, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x1c}}, 0x0) [ 1275.785230] block nbd1: not configured, cannot reconfigure [ 1275.798822] block nbd3: not configured, cannot reconfigure 08:01:53 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000200), r1) sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f0000000200)={0x0, 0x5, &(0x7f00000001c0)={&(0x7f0000000140)={0x1c, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x1c}}, 0x0) 08:01:53 executing program 4: syz_open_dev$ndb(&(0x7f00000002c0), 0x0, 0x0) r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000200), r1) sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f0000000200)={0x0, 0x0, &(0x7f00000001c0)={&(0x7f0000000140)={0x48, 0x0, 0x1, 0x70bd2d, 0x25dfdbfd, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x8}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x25}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}]}, 0x48}, 0x1, 0x0, 0x0, 0x8}, 0x20000000) 08:01:53 executing program 5: ioctl$AUTOFS_DEV_IOCTL_REQUESTER(0xffffffffffffffff, 0xc018937b, &(0x7f0000000000)={{0x1, 0x1, 0x18}, './file0\x00'}) (async) ioctl$AUTOFS_DEV_IOCTL_REQUESTER(0xffffffffffffffff, 0xc018937b, &(0x7f0000000000)={{0x1, 0x1, 0x18, 0xffffffffffffffff}, './file0\x00'}) ioctl$KDSKBENT(r0, 0x4b47, &(0x7f0000000040)={0xb3, 0x2d, 0x6}) r1 = syz_open_dev$ndb(&(0x7f00000002c0), 0x0, 0x0) ioctl$NBD_SET_SOCK(r1, 0x5421, 0xffffffffffffffff) (async) ioctl$NBD_SET_SOCK(r1, 0x5421, 0xffffffffffffffff) r2 = syz_open_dev$tty20(0xc, 0x4, 0x1) ioctl$TCSETSF(r2, 0x5404, &(0x7f0000000900)={0x0, 0x0, 0x0, 0x0, 0x0, "9750da5e3b38a0e557884e87596d6020c84d50"}) ioctl$TIOCGPTPEER(r2, 0x5441, 0xe4) 08:01:53 executing program 2: r0 = openat$ptmx(0xffffffffffffff9c, &(0x7f0000000040), 0x0, 0x0) ioctl$KDSETMODE(r0, 0x4b3a, 0x1) ioctl$TIOCGPTPEER(r0, 0x5441, 0xdbb8) 08:01:53 executing program 4: syz_open_dev$ndb(&(0x7f00000002c0), 0x0, 0x0) r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000200), r1) sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f0000000200)={0x0, 0x0, &(0x7f00000001c0)={&(0x7f0000000140)={0x48, 0x0, 0x1, 0x70bd2d, 0x25dfdbfd, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x8}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x25}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}]}, 0x48}, 0x1, 0x0, 0x0, 0x8}, 0x20000000) 08:01:53 executing program 2: r0 = openat$ptmx(0xffffffffffffff9c, &(0x7f0000000040), 0x0, 0x0) ioctl$KDSETMODE(r0, 0x4b3a, 0x1) ioctl$TIOCGPTPEER(r0, 0x5441, 0xdbb8) openat$ptmx(0xffffffffffffff9c, &(0x7f0000000040), 0x0, 0x0) (async) ioctl$KDSETMODE(r0, 0x4b3a, 0x1) (async) ioctl$TIOCGPTPEER(r0, 0x5441, 0xdbb8) (async) 08:01:53 executing program 1: syz_open_dev$ndb(&(0x7f00000002c0), 0x0, 0x0) r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000200), r1) sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f0000000200)={0x0, 0x6, &(0x7f00000001c0)={&(0x7f0000000140)={0x1c, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x1c}}, 0x0) [ 1275.915544] block nbd1: not configured, cannot reconfigure [ 1275.922853] block nbd3: not configured, cannot reconfigure 08:01:53 executing program 0: r0 = syz_open_dev$vcsn(&(0x7f0000000140), 0x10000001, 0x200400) ioctl$MEDIA_IOC_REQUEST_ALLOC(r0, 0x80047c05, &(0x7f0000000180)) r1 = syz_open_dev$vcsn(&(0x7f0000000140), 0x1, 0x0) ioctl$MEDIA_IOC_REQUEST_ALLOC(r1, 0x80047c05, &(0x7f0000000180)=0xffffffffffffffff) ioctl$VHOST_SET_VRING_ERR(r0, 0x4008af22, &(0x7f0000000000)={0x1, r1}) ioctl$MEDIA_REQUEST_IOC_QUEUE(r2, 0x7c80, 0x0) r3 = syz_open_dev$ndb(&(0x7f00000002c0), 0x0, 0x0) r4 = syz_init_net_socket$nl_rdma(0x10, 0x3, 0x10) sendmsg$BATADV_CMD_TP_METER_CANCEL(r1, &(0x7f00000001c0)={&(0x7f00000000c0)={0x10, 0x0, 0x0, 0x100}, 0xc, 0x0, 0x1, 0x0, 0x0, 0x40}, 0x0) ioctl$PIO_SCRNMAP(r0, 0x4b41, &(0x7f0000000080)="214927e96af262f325e666bb691b465fd6aa9fcf") ioctl$AUTOFS_DEV_IOCTL_PROTOVER(r1, 0xc0189372, &(0x7f0000000040)=ANY=[@ANYBLOB="010000090100800018000001", @ANYRES32=r4, @ANYBLOB="ca0e0000000000002e2f66696c653000"]) ioctl$NBD_SET_SOCK(r3, 0x5452, 0xffffffffffffffff) 08:01:53 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000200), r1) sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f0000000200)={0x0, 0x6, &(0x7f00000001c0)={&(0x7f0000000140)={0x1c, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x1c}}, 0x0) 08:01:53 executing program 5: r0 = syz_open_dev$ndb(&(0x7f00000002c0), 0x0, 0x0) ioctl$NBD_SET_SOCK(r0, 0x5421, 0xffffffffffffffff) r1 = syz_init_net_socket$nl_rdma(0x10, 0x3, 0x10) sendmsg$BATADV_CMD_TP_METER_CANCEL(r1, &(0x7f0000001900)={&(0x7f0000001800), 0xc, 0x0}, 0x0) r2 = syz_open_dev$ttys(0xc, 0x2, 0x1) ioctl$TCSETSW(r2, 0x5403, &(0x7f0000000540)={0x0, 0x0, 0xffffffff, 0x9, 0x0, "baf26a10e07ba77f1de09b779f3357c9c5a583"}) ioctl$KDSKBMETA(r2, 0x4b63, &(0x7f0000000040)=0x4) ioctl$ifreq_SIOCGIFINDEX_batadv_hard(r1, 0x8933, &(0x7f0000000000)={'batadv_slave_0\x00'}) 08:01:53 executing program 4: syz_open_dev$ndb(&(0x7f00000002c0), 0x0, 0x0) r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000200), r1) sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f0000000200)={0x0, 0x0, &(0x7f00000001c0)={&(0x7f0000000140)={0x48, r2, 0x0, 0x70bd2d, 0x25dfdbfd, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x8}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x25}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}]}, 0x48}, 0x1, 0x0, 0x0, 0x8}, 0x20000000) 08:01:53 executing program 2: openat$ptmx(0xffffffffffffff9c, &(0x7f0000000040), 0x0, 0x0) (async) r0 = openat$ptmx(0xffffffffffffff9c, &(0x7f0000000040), 0x0, 0x0) ioctl$KDSETMODE(r0, 0x4b3a, 0x1) ioctl$TIOCGPTPEER(r0, 0x5441, 0xdbb8) 08:01:53 executing program 1: syz_open_dev$ndb(&(0x7f00000002c0), 0x0, 0x0) r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000200), r1) sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f0000000200)={0x0, 0x7, &(0x7f00000001c0)={&(0x7f0000000140)={0x1c, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x1c}}, 0x0) [ 1276.000620] block nbd1: not configured, cannot reconfigure 08:01:53 executing program 4: syz_open_dev$ndb(&(0x7f00000002c0), 0x0, 0x0) r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000200), r1) sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f0000000200)={0x0, 0x0, &(0x7f00000001c0)={&(0x7f0000000140)={0x48, r2, 0x0, 0x70bd2d, 0x25dfdbfd, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x8}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x25}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}]}, 0x48}, 0x1, 0x0, 0x0, 0x8}, 0x20000000) 08:01:53 executing program 2: r0 = openat$ptmx(0xffffffffffffff9c, &(0x7f0000000040), 0x0, 0x0) ioctl$TIOCGPTPEER(r0, 0x5441, 0xdbb8) r1 = ioctl$KVM_CREATE_VCPU(0xffffffffffffffff, 0xae41, 0x0) mmap$KVM_VCPU(&(0x7f0000ffa000/0x3000)=nil, 0x930, 0x2000003, 0x110, r1, 0x0) 08:01:53 executing program 0: r0 = syz_open_dev$vcsn(&(0x7f0000000140), 0x10000001, 0x200400) ioctl$MEDIA_IOC_REQUEST_ALLOC(r0, 0x80047c05, &(0x7f0000000180)) r1 = syz_open_dev$vcsn(&(0x7f0000000140), 0x1, 0x0) ioctl$MEDIA_IOC_REQUEST_ALLOC(r1, 0x80047c05, &(0x7f0000000180)=0xffffffffffffffff) ioctl$VHOST_SET_VRING_ERR(r0, 0x4008af22, &(0x7f0000000000)={0x1, r1}) ioctl$MEDIA_REQUEST_IOC_QUEUE(r2, 0x7c80, 0x0) r3 = syz_open_dev$ndb(&(0x7f00000002c0), 0x0, 0x0) r4 = syz_init_net_socket$nl_rdma(0x10, 0x3, 0x10) sendmsg$BATADV_CMD_TP_METER_CANCEL(r1, &(0x7f00000001c0)={&(0x7f00000000c0)={0x10, 0x0, 0x0, 0x100}, 0xc, 0x0, 0x1, 0x0, 0x0, 0x40}, 0x0) ioctl$PIO_SCRNMAP(r0, 0x4b41, &(0x7f0000000080)="214927e96af262f325e666bb691b465fd6aa9fcf") ioctl$AUTOFS_DEV_IOCTL_PROTOVER(r1, 0xc0189372, &(0x7f0000000040)=ANY=[@ANYBLOB="010000090100800018000001", @ANYRES32=r4, @ANYBLOB="ca0e0000000000002e2f66696c653000"]) ioctl$NBD_SET_SOCK(r3, 0x5452, 0xffffffffffffffff) syz_open_dev$vcsn(&(0x7f0000000140), 0x10000001, 0x200400) (async) ioctl$MEDIA_IOC_REQUEST_ALLOC(r0, 0x80047c05, &(0x7f0000000180)) (async) syz_open_dev$vcsn(&(0x7f0000000140), 0x1, 0x0) (async) ioctl$MEDIA_IOC_REQUEST_ALLOC(r1, 0x80047c05, &(0x7f0000000180)) (async) ioctl$VHOST_SET_VRING_ERR(r0, 0x4008af22, &(0x7f0000000000)={0x1, r1}) (async) ioctl$MEDIA_REQUEST_IOC_QUEUE(r2, 0x7c80, 0x0) (async) syz_open_dev$ndb(&(0x7f00000002c0), 0x0, 0x0) (async) syz_init_net_socket$nl_rdma(0x10, 0x3, 0x10) (async) sendmsg$BATADV_CMD_TP_METER_CANCEL(r1, &(0x7f00000001c0)={&(0x7f00000000c0)={0x10, 0x0, 0x0, 0x100}, 0xc, 0x0, 0x1, 0x0, 0x0, 0x40}, 0x0) (async) ioctl$PIO_SCRNMAP(r0, 0x4b41, &(0x7f0000000080)="214927e96af262f325e666bb691b465fd6aa9fcf") (async) ioctl$AUTOFS_DEV_IOCTL_PROTOVER(r1, 0xc0189372, &(0x7f0000000040)=ANY=[@ANYBLOB="010000090100800018000001", @ANYRES32=r4, @ANYBLOB="ca0e0000000000002e2f66696c653000"]) (async) ioctl$NBD_SET_SOCK(r3, 0x5452, 0xffffffffffffffff) (async) 08:01:53 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000200), r1) sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f0000000200)={0x0, 0x7, &(0x7f00000001c0)={&(0x7f0000000140)={0x1c, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x1c}}, 0x0) [ 1276.069548] block nbd3: not configured, cannot reconfigure [ 1276.102753] block nbd1: not configured, cannot reconfigure 08:01:53 executing program 1: syz_open_dev$ndb(&(0x7f00000002c0), 0x0, 0x0) r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000200), r1) sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f0000000200)={0x0, 0x8, &(0x7f00000001c0)={&(0x7f0000000140)={0x1c, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x1c}}, 0x0) 08:01:53 executing program 4: syz_open_dev$ndb(&(0x7f00000002c0), 0x0, 0x0) r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000200), r1) sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f0000000200)={0x0, 0x0, &(0x7f00000001c0)={&(0x7f0000000140)={0x48, r2, 0x0, 0x70bd2d, 0x25dfdbfd, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x8}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x25}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}]}, 0x48}, 0x1, 0x0, 0x0, 0x8}, 0x20000000) 08:01:53 executing program 2: r0 = openat$ptmx(0xffffffffffffff9c, &(0x7f0000000040), 0x0, 0x0) ioctl$TIOCGPTPEER(r0, 0x5441, 0xdbb8) r1 = ioctl$KVM_CREATE_VCPU(0xffffffffffffffff, 0xae41, 0x0) mmap$KVM_VCPU(&(0x7f0000ffa000/0x3000)=nil, 0x930, 0x2000003, 0x110, r1, 0x0) 08:01:53 executing program 5: r0 = syz_open_dev$ndb(&(0x7f00000002c0), 0x0, 0x0) ioctl$NBD_SET_SOCK(r0, 0x5421, 0xffffffffffffffff) r1 = syz_init_net_socket$nl_rdma(0x10, 0x3, 0x10) sendmsg$BATADV_CMD_TP_METER_CANCEL(r1, &(0x7f0000001900)={&(0x7f0000001800), 0xc, 0x0}, 0x0) r2 = syz_open_dev$ttys(0xc, 0x2, 0x1) ioctl$TCSETSW(r2, 0x5403, &(0x7f0000000540)={0x0, 0x0, 0xffffffff, 0x9, 0x0, "baf26a10e07ba77f1de09b779f3357c9c5a583"}) ioctl$KDSKBMETA(r2, 0x4b63, &(0x7f0000000040)=0x4) ioctl$ifreq_SIOCGIFINDEX_batadv_hard(r1, 0x8933, &(0x7f0000000000)={'batadv_slave_0\x00'}) syz_open_dev$ndb(&(0x7f00000002c0), 0x0, 0x0) (async) ioctl$NBD_SET_SOCK(r0, 0x5421, 0xffffffffffffffff) (async) syz_init_net_socket$nl_rdma(0x10, 0x3, 0x10) (async) sendmsg$BATADV_CMD_TP_METER_CANCEL(r1, &(0x7f0000001900)={&(0x7f0000001800), 0xc, 0x0}, 0x0) (async) syz_open_dev$ttys(0xc, 0x2, 0x1) (async) ioctl$TCSETSW(r2, 0x5403, &(0x7f0000000540)={0x0, 0x0, 0xffffffff, 0x9, 0x0, "baf26a10e07ba77f1de09b779f3357c9c5a583"}) (async) ioctl$KDSKBMETA(r2, 0x4b63, &(0x7f0000000040)=0x4) (async) ioctl$ifreq_SIOCGIFINDEX_batadv_hard(r1, 0x8933, &(0x7f0000000000)={'batadv_slave_0\x00'}) (async) 08:01:53 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000200), r1) sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f0000000200)={0x0, 0x8, &(0x7f00000001c0)={&(0x7f0000000140)={0x1c, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x1c}}, 0x0) 08:01:53 executing program 1: syz_open_dev$ndb(&(0x7f00000002c0), 0x0, 0x0) r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000200), r1) sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f0000000200)={0x0, 0xf, &(0x7f00000001c0)={&(0x7f0000000140)={0x1c, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x1c}}, 0x0) [ 1276.175915] block nbd3: not configured, cannot reconfigure [ 1276.196307] block nbd1: not configured, cannot reconfigure 08:01:53 executing program 0: r0 = syz_open_dev$vcsn(&(0x7f0000000140), 0x10000001, 0x200400) ioctl$MEDIA_IOC_REQUEST_ALLOC(r0, 0x80047c05, &(0x7f0000000180)) r1 = syz_open_dev$vcsn(&(0x7f0000000140), 0x1, 0x0) ioctl$MEDIA_IOC_REQUEST_ALLOC(r1, 0x80047c05, &(0x7f0000000180)=0xffffffffffffffff) ioctl$VHOST_SET_VRING_ERR(r0, 0x4008af22, &(0x7f0000000000)={0x1, r1}) (async) ioctl$MEDIA_REQUEST_IOC_QUEUE(r2, 0x7c80, 0x0) r3 = syz_open_dev$ndb(&(0x7f00000002c0), 0x0, 0x0) r4 = syz_init_net_socket$nl_rdma(0x10, 0x3, 0x10) sendmsg$BATADV_CMD_TP_METER_CANCEL(r1, &(0x7f00000001c0)={&(0x7f00000000c0)={0x10, 0x0, 0x0, 0x100}, 0xc, 0x0, 0x1, 0x0, 0x0, 0x40}, 0x0) (async) ioctl$PIO_SCRNMAP(r0, 0x4b41, &(0x7f0000000080)="214927e96af262f325e666bb691b465fd6aa9fcf") (async) ioctl$AUTOFS_DEV_IOCTL_PROTOVER(r1, 0xc0189372, &(0x7f0000000040)=ANY=[@ANYBLOB="010000090100800018000001", @ANYRES32=r4, @ANYBLOB="ca0e0000000000002e2f66696c653000"]) (async) ioctl$NBD_SET_SOCK(r3, 0x5452, 0xffffffffffffffff) 08:01:53 executing program 4: syz_open_dev$ndb(&(0x7f00000002c0), 0x0, 0x0) r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000200), r1) sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f0000000200)={0x0, 0x0, &(0x7f00000001c0)={&(0x7f0000000140)={0x48, r2, 0x1, 0x0, 0x25dfdbfd, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x8}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x25}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}]}, 0x48}, 0x1, 0x0, 0x0, 0x8}, 0x20000000) 08:01:53 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000200), r1) sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f0000000200)={0x0, 0xf, &(0x7f00000001c0)={&(0x7f0000000140)={0x1c, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x1c}}, 0x0) 08:01:53 executing program 2: r0 = openat$ptmx(0xffffffffffffff9c, &(0x7f0000000040), 0x0, 0x0) ioctl$TIOCGPTPEER(r0, 0x5441, 0xdbb8) r1 = ioctl$KVM_CREATE_VCPU(0xffffffffffffffff, 0xae41, 0x0) mmap$KVM_VCPU(&(0x7f0000ffa000/0x3000)=nil, 0x930, 0x2000003, 0x110, r1, 0x0) openat$ptmx(0xffffffffffffff9c, &(0x7f0000000040), 0x0, 0x0) (async) ioctl$TIOCGPTPEER(r0, 0x5441, 0xdbb8) (async) ioctl$KVM_CREATE_VCPU(0xffffffffffffffff, 0xae41, 0x0) (async) mmap$KVM_VCPU(&(0x7f0000ffa000/0x3000)=nil, 0x930, 0x2000003, 0x110, r1, 0x0) (async) [ 1276.247183] block nbd3: not configured, cannot reconfigure [ 1276.281533] block nbd1: not configured, cannot reconfigure 08:01:53 executing program 5: r0 = syz_open_dev$ndb(&(0x7f00000002c0), 0x0, 0x0) ioctl$NBD_SET_SOCK(r0, 0x5421, 0xffffffffffffffff) r1 = syz_init_net_socket$nl_rdma(0x10, 0x3, 0x10) sendmsg$BATADV_CMD_TP_METER_CANCEL(r1, &(0x7f0000001900)={&(0x7f0000001800), 0xc, 0x0}, 0x0) r2 = syz_open_dev$ttys(0xc, 0x2, 0x1) ioctl$TCSETSW(r2, 0x5403, &(0x7f0000000540)={0x0, 0x0, 0xffffffff, 0x9, 0x0, "baf26a10e07ba77f1de09b779f3357c9c5a583"}) ioctl$KDSKBMETA(r2, 0x4b63, &(0x7f0000000040)=0x4) ioctl$ifreq_SIOCGIFINDEX_batadv_hard(r1, 0x8933, &(0x7f0000000000)={'batadv_slave_0\x00'}) 08:01:53 executing program 2: r0 = openat$ptmx(0xffffffffffffff9c, &(0x7f0000000040), 0x2000, 0x0) ioctl$TIOCGPTPEER(r0, 0x5441, 0xdbb8) [ 1276.324377] block nbd4: not configured, cannot reconfigure 08:01:53 executing program 1: syz_open_dev$ndb(&(0x7f00000002c0), 0x0, 0x0) r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000200), r1) sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f0000000200)={0x0, 0x48, &(0x7f00000001c0)={&(0x7f0000000140)={0x1c, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x1c}}, 0x0) 08:01:53 executing program 0: r0 = syz_open_dev$ndb(&(0x7f00000002c0), 0x0, 0x0) r1 = syz_open_dev$vcsn(&(0x7f0000000140), 0x1, 0x0) ioctl$MEDIA_IOC_REQUEST_ALLOC(r1, 0x80047c05, &(0x7f0000000180)) ioctl$NBD_SET_SOCK(r1, 0xab00, 0xffffffffffffffff) ioctl$NBD_SET_SOCK(r0, 0x5452, 0xffffffffffffffff) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r4 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r5 = syz_genetlink_get_family_id$nbd(&(0x7f0000000200), r4) sendmsg$NBD_CMD_DISCONNECT(r3, &(0x7f00000004c0)={&(0x7f00000003c0), 0xc, &(0x7f0000000480)={&(0x7f0000000400)={0x28, r5, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_BLOCK_SIZE_BYTES={0xc}, @NBD_ATTR_BACKEND_IDENTIFIER={0x5, 0xa, '^'}]}, 0x28}}, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000240)={0xffffffffffffffff}) r7 = syz_open_dev$vcsn(&(0x7f0000000140), 0x1, 0x0) ioctl$MEDIA_IOC_REQUEST_ALLOC(r7, 0x80047c05, &(0x7f0000000180)) r8 = syz_open_dev$vcsn(&(0x7f0000000140), 0x1, 0x0) ioctl$MEDIA_IOC_REQUEST_ALLOC(r8, 0x80047c05, &(0x7f0000000180)) r9 = syz_open_dev$vcsn(&(0x7f0000000140), 0x1, 0x0) ioctl$MEDIA_IOC_REQUEST_ALLOC(r9, 0x80047c05, &(0x7f0000000180)) r10 = syz_open_dev$vcsn(&(0x7f0000000140), 0x1, 0x0) ioctl$MEDIA_IOC_REQUEST_ALLOC(r10, 0x80047c05, &(0x7f0000000180)) r11 = syz_open_dev$vcsn(&(0x7f0000000140), 0x1, 0x0) ioctl$MEDIA_IOC_REQUEST_ALLOC(r11, 0x80047c05, &(0x7f0000000180)) sendmsg$NBD_CMD_DISCONNECT(r2, &(0x7f00000003c0)={&(0x7f0000000200)={0x10, 0x0, 0x0, 0x20000000}, 0xc, &(0x7f0000000280)={&(0x7f0000000300)={0x88, r5, 0x400, 0x70bd2d, 0x25dfdbfb, {}, [@NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x8729}, @NBD_ATTR_SOCKETS={0x34, 0x7, 0x0, 0x1, [{0x8, 0x1, r6}, {0x8, 0x1, r7}, {0x8, 0x1, r1}, {0x8, 0x1, r8}, {0x8, 0x1, r9}, {0x8, 0x1, r1}]}, @NBD_ATTR_SOCKETS={0x1c, 0x7, 0x0, 0x1, [{0x8, 0x1, r1}, {0x8, 0x1, r10}, {0x8, 0x1, r11}]}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x6}]}, 0x88}, 0x1, 0x0, 0x0, 0x24044080}, 0x80000) sendmsg$NBD_CMD_DISCONNECT(r2, &(0x7f00000008c0)={0x0, 0x0, &(0x7f0000000880)={0x0}}, 0x1) r12 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), 0xffffffffffffffff) sendmsg$NBD_CMD_STATUS(r2, &(0x7f00000001c0)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x4}, 0xc, &(0x7f0000000100)={&(0x7f0000000080)={0x48, r12, 0x10, 0x70bd2b, 0x25dfdbfc, {}, [@NBD_ATTR_BACKEND_IDENTIFIER={0x6, 0xa, '\x8e['}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x1}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_BACKEND_IDENTIFIER={0xe, 0xa, '/dev/nbd#\x00'}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x48}, 0x1, 0x0, 0x0, 0x20008800}, 0x80) 08:01:53 executing program 4: syz_open_dev$ndb(&(0x7f00000002c0), 0x0, 0x0) r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000200), r1) sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f0000000200)={0x0, 0x0, &(0x7f00000001c0)={&(0x7f0000000140)={0x48, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x8}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x25}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}]}, 0x48}, 0x1, 0x0, 0x0, 0x8}, 0x20000000) 08:01:53 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000200), r1) sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f0000000200)={0x0, 0x48, &(0x7f00000001c0)={&(0x7f0000000140)={0x1c, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x1c}}, 0x0) [ 1276.365906] block nbd3: not configured, cannot reconfigure 08:01:53 executing program 2: r0 = openat$ptmx(0xffffffffffffff9c, &(0x7f0000000040), 0x2000, 0x0) ioctl$TIOCGPTPEER(r0, 0x5441, 0xdbb8) 08:01:54 executing program 1: syz_open_dev$ndb(&(0x7f00000002c0), 0x0, 0x0) r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000200), r1) sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f0000000200)={0x0, 0x4c, &(0x7f00000001c0)={&(0x7f0000000140)={0x1c, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x1c}}, 0x0) 08:01:54 executing program 5: r0 = syz_open_dev$ndb(&(0x7f00000002c0), 0x0, 0x101000) ioctl$NBD_SET_SOCK(r0, 0x5421, 0xffffffffffffffff) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) sendmsg$NBD_CMD_RECONFIGURE(0xffffffffffffffff, &(0x7f0000000140)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x40000000}, 0x4, &(0x7f0000000100)={&(0x7f0000000080)={0x48, 0x0, 0x10, 0x70bd28, 0x25dfdbfb, {}, [@NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x7}, @NBD_ATTR_SOCKETS={0x1c, 0x7, 0x0, 0x1, [{0x8, 0x1, r1}, {0x8}, {0x8}]}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x400}]}, 0x48}, 0x1, 0x0, 0x0, 0x40000}, 0x0) [ 1276.428883] block nbd1: not configured, cannot reconfigure [ 1276.450607] nbd: must specify an index to disconnect [ 1276.465894] block nbd4: not configured, cannot reconfigure 08:01:54 executing program 0: r0 = syz_open_dev$ndb(&(0x7f00000002c0), 0x0, 0x0) r1 = syz_open_dev$vcsn(&(0x7f0000000140), 0x1, 0x0) ioctl$MEDIA_IOC_REQUEST_ALLOC(r1, 0x80047c05, &(0x7f0000000180)) (async) ioctl$NBD_SET_SOCK(r1, 0xab00, 0xffffffffffffffff) ioctl$NBD_SET_SOCK(r0, 0x5452, 0xffffffffffffffff) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) r4 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r5 = syz_genetlink_get_family_id$nbd(&(0x7f0000000200), r4) sendmsg$NBD_CMD_DISCONNECT(r3, &(0x7f00000004c0)={&(0x7f00000003c0), 0xc, &(0x7f0000000480)={&(0x7f0000000400)={0x28, r5, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_BLOCK_SIZE_BYTES={0xc}, @NBD_ATTR_BACKEND_IDENTIFIER={0x5, 0xa, '^'}]}, 0x28}}, 0x0) (async) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000240)={0xffffffffffffffff}) r7 = syz_open_dev$vcsn(&(0x7f0000000140), 0x1, 0x0) ioctl$MEDIA_IOC_REQUEST_ALLOC(r7, 0x80047c05, &(0x7f0000000180)) r8 = syz_open_dev$vcsn(&(0x7f0000000140), 0x1, 0x0) ioctl$MEDIA_IOC_REQUEST_ALLOC(r8, 0x80047c05, &(0x7f0000000180)) (async) r9 = syz_open_dev$vcsn(&(0x7f0000000140), 0x1, 0x0) ioctl$MEDIA_IOC_REQUEST_ALLOC(r9, 0x80047c05, &(0x7f0000000180)) (async) r10 = syz_open_dev$vcsn(&(0x7f0000000140), 0x1, 0x0) ioctl$MEDIA_IOC_REQUEST_ALLOC(r10, 0x80047c05, &(0x7f0000000180)) (async, rerun: 64) r11 = syz_open_dev$vcsn(&(0x7f0000000140), 0x1, 0x0) (rerun: 64) ioctl$MEDIA_IOC_REQUEST_ALLOC(r11, 0x80047c05, &(0x7f0000000180)) (async, rerun: 32) sendmsg$NBD_CMD_DISCONNECT(r2, &(0x7f00000003c0)={&(0x7f0000000200)={0x10, 0x0, 0x0, 0x20000000}, 0xc, &(0x7f0000000280)={&(0x7f0000000300)={0x88, r5, 0x400, 0x70bd2d, 0x25dfdbfb, {}, [@NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x8729}, @NBD_ATTR_SOCKETS={0x34, 0x7, 0x0, 0x1, [{0x8, 0x1, r6}, {0x8, 0x1, r7}, {0x8, 0x1, r1}, {0x8, 0x1, r8}, {0x8, 0x1, r9}, {0x8, 0x1, r1}]}, @NBD_ATTR_SOCKETS={0x1c, 0x7, 0x0, 0x1, [{0x8, 0x1, r1}, {0x8, 0x1, r10}, {0x8, 0x1, r11}]}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x6}]}, 0x88}, 0x1, 0x0, 0x0, 0x24044080}, 0x80000) (async, rerun: 32) sendmsg$NBD_CMD_DISCONNECT(r2, &(0x7f00000008c0)={0x0, 0x0, &(0x7f0000000880)={0x0}}, 0x1) (async) r12 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), 0xffffffffffffffff) sendmsg$NBD_CMD_STATUS(r2, &(0x7f00000001c0)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x4}, 0xc, &(0x7f0000000100)={&(0x7f0000000080)={0x48, r12, 0x10, 0x70bd2b, 0x25dfdbfc, {}, [@NBD_ATTR_BACKEND_IDENTIFIER={0x6, 0xa, '\x8e['}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x1}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_BACKEND_IDENTIFIER={0xe, 0xa, '/dev/nbd#\x00'}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x48}, 0x1, 0x0, 0x0, 0x20008800}, 0x80) 08:01:54 executing program 4: syz_open_dev$ndb(&(0x7f00000002c0), 0x0, 0x0) r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000200), r1) sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f0000000200)={0x0, 0x0, &(0x7f00000001c0)={&(0x7f0000000140)={0x3c, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x8}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x25}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x3c}, 0x1, 0x0, 0x0, 0x8}, 0x20000000) 08:01:54 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000200), r1) sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f0000000200)={0x0, 0x4c, &(0x7f00000001c0)={&(0x7f0000000140)={0x1c, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x1c}}, 0x0) 08:01:54 executing program 2: r0 = openat$ptmx(0xffffffffffffff9c, &(0x7f0000000040), 0x2000, 0x0) ioctl$TIOCGPTPEER(r0, 0x5441, 0xdbb8) 08:01:54 executing program 1: syz_open_dev$ndb(&(0x7f00000002c0), 0x0, 0x0) r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000200), r1) sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f0000000200)={0x0, 0x60, &(0x7f00000001c0)={&(0x7f0000000140)={0x1c, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x1c}}, 0x0) [ 1276.495609] block nbd3: not configured, cannot reconfigure [ 1276.525775] block nbd1: not configured, cannot reconfigure 08:01:54 executing program 5: r0 = syz_open_dev$ndb(&(0x7f00000002c0), 0x0, 0x101000) ioctl$NBD_SET_SOCK(r0, 0x5421, 0xffffffffffffffff) (async) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) sendmsg$NBD_CMD_RECONFIGURE(0xffffffffffffffff, &(0x7f0000000140)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x40000000}, 0x4, &(0x7f0000000100)={&(0x7f0000000080)={0x48, 0x0, 0x10, 0x70bd28, 0x25dfdbfb, {}, [@NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x7}, @NBD_ATTR_SOCKETS={0x1c, 0x7, 0x0, 0x1, [{0x8, 0x1, r1}, {0x8}, {0x8}]}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x400}]}, 0x48}, 0x1, 0x0, 0x0, 0x40000}, 0x0) 08:01:54 executing program 2: r0 = syz_open_dev$ttys(0xc, 0x2, 0x1) ioctl$TCSETSW(r0, 0x5403, &(0x7f0000000540)={0x0, 0x0, 0xffffffff, 0x9, 0x0, "baf26a10e07ba77f1de09b779f3357c9c5a583"}) ioctl$KDFONTOP_SET(r0, 0x4b72, &(0x7f0000000000)={0x0, 0x1, 0x13, 0x3, 0x9e, &(0x7f0000000080)="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"}) r1 = openat$ptmx(0xffffffffffffff9c, &(0x7f0000000040), 0x0, 0x0) ioctl$PIO_FONTX(r0, 0x4b6c, &(0x7f0000000480)={0x1c1, 0x20, &(0x7f0000000580)="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"}) ioctl$TIOCGPTPEER(r1, 0x5441, 0xdbb8) 08:01:54 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000200), r1) sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f0000000200)={0x0, 0x60, &(0x7f00000001c0)={&(0x7f0000000140)={0x1c, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x1c}}, 0x0) 08:01:54 executing program 4: syz_open_dev$ndb(&(0x7f00000002c0), 0x0, 0x0) r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000200), r1) sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f0000000200)={0x0, 0x0, &(0x7f00000001c0)={&(0x7f0000000140)={0x34, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x8}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x25}]}, 0x34}, 0x1, 0x0, 0x0, 0x8}, 0x20000000) 08:01:54 executing program 5: r0 = syz_open_dev$ndb(&(0x7f00000002c0), 0x0, 0x101000) ioctl$NBD_SET_SOCK(r0, 0x5421, 0xffffffffffffffff) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) sendmsg$NBD_CMD_RECONFIGURE(0xffffffffffffffff, &(0x7f0000000140)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x40000000}, 0x4, &(0x7f0000000100)={&(0x7f0000000080)={0x48, 0x0, 0x10, 0x70bd28, 0x25dfdbfb, {}, [@NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x7}, @NBD_ATTR_SOCKETS={0x1c, 0x7, 0x0, 0x1, [{0x8, 0x1, r1}, {0x8}, {0x8}]}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x400}]}, 0x48}, 0x1, 0x0, 0x0, 0x40000}, 0x0) syz_open_dev$ndb(&(0x7f00000002c0), 0x0, 0x101000) (async) ioctl$NBD_SET_SOCK(r0, 0x5421, 0xffffffffffffffff) (async) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)) (async) sendmsg$NBD_CMD_RECONFIGURE(0xffffffffffffffff, &(0x7f0000000140)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x40000000}, 0x4, &(0x7f0000000100)={&(0x7f0000000080)={0x48, 0x0, 0x10, 0x70bd28, 0x25dfdbfb, {}, [@NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x7}, @NBD_ATTR_SOCKETS={0x1c, 0x7, 0x0, 0x1, [{0x8, 0x1, r1}, {0x8}, {0x8}]}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x400}]}, 0x48}, 0x1, 0x0, 0x0, 0x40000}, 0x0) (async) [ 1276.590881] block nbd4: not configured, cannot reconfigure [ 1276.608882] block nbd3: not configured, cannot reconfigure [ 1276.617672] nbd: must specify an index to disconnect [ 1276.634806] block nbd1: not configured, cannot reconfigure 08:01:54 executing program 1: syz_open_dev$ndb(&(0x7f00000002c0), 0x0, 0x0) r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000200), r1) sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f0000000200)={0x0, 0x68, &(0x7f00000001c0)={&(0x7f0000000140)={0x1c, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x1c}}, 0x0) 08:01:54 executing program 0: r0 = syz_open_dev$ndb(&(0x7f00000002c0), 0x0, 0x0) (async) r1 = syz_open_dev$vcsn(&(0x7f0000000140), 0x1, 0x0) ioctl$MEDIA_IOC_REQUEST_ALLOC(r1, 0x80047c05, &(0x7f0000000180)) ioctl$NBD_SET_SOCK(r1, 0xab00, 0xffffffffffffffff) (async) ioctl$NBD_SET_SOCK(r0, 0x5452, 0xffffffffffffffff) (async) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) r4 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r5 = syz_genetlink_get_family_id$nbd(&(0x7f0000000200), r4) sendmsg$NBD_CMD_DISCONNECT(r3, &(0x7f00000004c0)={&(0x7f00000003c0), 0xc, &(0x7f0000000480)={&(0x7f0000000400)={0x28, r5, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_BLOCK_SIZE_BYTES={0xc}, @NBD_ATTR_BACKEND_IDENTIFIER={0x5, 0xa, '^'}]}, 0x28}}, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000240)={0xffffffffffffffff}) (async) r7 = syz_open_dev$vcsn(&(0x7f0000000140), 0x1, 0x0) ioctl$MEDIA_IOC_REQUEST_ALLOC(r7, 0x80047c05, &(0x7f0000000180)) r8 = syz_open_dev$vcsn(&(0x7f0000000140), 0x1, 0x0) ioctl$MEDIA_IOC_REQUEST_ALLOC(r8, 0x80047c05, &(0x7f0000000180)) (async) r9 = syz_open_dev$vcsn(&(0x7f0000000140), 0x1, 0x0) ioctl$MEDIA_IOC_REQUEST_ALLOC(r9, 0x80047c05, &(0x7f0000000180)) (async) r10 = syz_open_dev$vcsn(&(0x7f0000000140), 0x1, 0x0) ioctl$MEDIA_IOC_REQUEST_ALLOC(r10, 0x80047c05, &(0x7f0000000180)) r11 = syz_open_dev$vcsn(&(0x7f0000000140), 0x1, 0x0) ioctl$MEDIA_IOC_REQUEST_ALLOC(r11, 0x80047c05, &(0x7f0000000180)) sendmsg$NBD_CMD_DISCONNECT(r2, &(0x7f00000003c0)={&(0x7f0000000200)={0x10, 0x0, 0x0, 0x20000000}, 0xc, &(0x7f0000000280)={&(0x7f0000000300)={0x88, r5, 0x400, 0x70bd2d, 0x25dfdbfb, {}, [@NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x8729}, @NBD_ATTR_SOCKETS={0x34, 0x7, 0x0, 0x1, [{0x8, 0x1, r6}, {0x8, 0x1, r7}, {0x8, 0x1, r1}, {0x8, 0x1, r8}, {0x8, 0x1, r9}, {0x8, 0x1, r1}]}, @NBD_ATTR_SOCKETS={0x1c, 0x7, 0x0, 0x1, [{0x8, 0x1, r1}, {0x8, 0x1, r10}, {0x8, 0x1, r11}]}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x6}]}, 0x88}, 0x1, 0x0, 0x0, 0x24044080}, 0x80000) (async) sendmsg$NBD_CMD_DISCONNECT(r2, &(0x7f00000008c0)={0x0, 0x0, &(0x7f0000000880)={0x0}}, 0x1) (async) r12 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), 0xffffffffffffffff) sendmsg$NBD_CMD_STATUS(r2, &(0x7f00000001c0)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x4}, 0xc, &(0x7f0000000100)={&(0x7f0000000080)={0x48, r12, 0x10, 0x70bd2b, 0x25dfdbfc, {}, [@NBD_ATTR_BACKEND_IDENTIFIER={0x6, 0xa, '\x8e['}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x1}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_BACKEND_IDENTIFIER={0xe, 0xa, '/dev/nbd#\x00'}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x48}, 0x1, 0x0, 0x0, 0x20008800}, 0x80) 08:01:54 executing program 2: r0 = syz_open_dev$ttys(0xc, 0x2, 0x1) ioctl$TCSETSW(r0, 0x5403, &(0x7f0000000540)={0x0, 0x0, 0xffffffff, 0x9, 0x0, "baf26a10e07ba77f1de09b779f3357c9c5a583"}) ioctl$KDFONTOP_SET(r0, 0x4b72, &(0x7f0000000000)={0x0, 0x1, 0x13, 0x3, 0x9e, &(0x7f0000000080)="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"}) r1 = openat$ptmx(0xffffffffffffff9c, &(0x7f0000000040), 0x0, 0x0) ioctl$PIO_FONTX(r0, 0x4b6c, &(0x7f0000000480)={0x1c1, 0x20, &(0x7f0000000580)="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"}) (async) ioctl$TIOCGPTPEER(r1, 0x5441, 0xdbb8) 08:01:54 executing program 4: syz_open_dev$ndb(&(0x7f00000002c0), 0x0, 0x0) r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000200), r1) sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f0000000200)={0x0, 0x0, &(0x7f00000001c0)={&(0x7f0000000140)={0x28, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x8}]}, 0x28}, 0x1, 0x0, 0x0, 0x8}, 0x20000000) 08:01:54 executing program 5: r0 = syz_open_dev$ndb(&(0x7f00000002c0), 0x0, 0x18000) r1 = syz_open_dev$vcsn(&(0x7f0000000140), 0x1, 0x0) ioctl$MEDIA_IOC_REQUEST_ALLOC(r1, 0x80047c05, &(0x7f0000000180)) ioctl$NBD_CLEAR_SOCK(r0, 0xab04) ioctl$NBD_SET_SOCK(r0, 0x5421, r1) [ 1276.681934] block nbd4: not configured, cannot reconfigure [ 1276.720726] block nbd3: not configured, cannot reconfigure 08:01:54 executing program 2: r0 = syz_open_dev$ttys(0xc, 0x2, 0x1) ioctl$TCSETSW(r0, 0x5403, &(0x7f0000000540)={0x0, 0x0, 0xffffffff, 0x9, 0x0, "baf26a10e07ba77f1de09b779f3357c9c5a583"}) (async) ioctl$KDFONTOP_SET(r0, 0x4b72, &(0x7f0000000000)={0x0, 0x1, 0x13, 0x3, 0x9e, &(0x7f0000000080)="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"}) r1 = openat$ptmx(0xffffffffffffff9c, &(0x7f0000000040), 0x0, 0x0) (async) ioctl$PIO_FONTX(r0, 0x4b6c, &(0x7f0000000480)={0x1c1, 0x20, &(0x7f0000000580)="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"}) ioctl$TIOCGPTPEER(r1, 0x5441, 0xdbb8) 08:01:54 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000200), r1) sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f0000000200)={0x0, 0x68, &(0x7f00000001c0)={&(0x7f0000000140)={0x1c, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x1c}}, 0x0) 08:01:54 executing program 1: syz_open_dev$ndb(&(0x7f00000002c0), 0x0, 0x0) r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000200), r1) sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f0000000200)={0x0, 0x6c, &(0x7f00000001c0)={&(0x7f0000000140)={0x1c, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x1c}}, 0x0) 08:01:54 executing program 5: r0 = syz_open_dev$ndb(&(0x7f00000002c0), 0x0, 0x18000) r1 = syz_open_dev$vcsn(&(0x7f0000000140), 0x1, 0x0) ioctl$MEDIA_IOC_REQUEST_ALLOC(r1, 0x80047c05, &(0x7f0000000180)) ioctl$NBD_CLEAR_SOCK(r0, 0xab04) ioctl$NBD_SET_SOCK(r0, 0x5421, r1) syz_open_dev$ndb(&(0x7f00000002c0), 0x0, 0x18000) (async) syz_open_dev$vcsn(&(0x7f0000000140), 0x1, 0x0) (async) ioctl$MEDIA_IOC_REQUEST_ALLOC(r1, 0x80047c05, &(0x7f0000000180)) (async) ioctl$NBD_CLEAR_SOCK(r0, 0xab04) (async) ioctl$NBD_SET_SOCK(r0, 0x5421, r1) (async) [ 1276.758014] block nbd1: not configured, cannot reconfigure 08:01:54 executing program 0: ioctl$ifreq_SIOCGIFINDEX_batadv_mesh(0xffffffffffffffff, 0x8933, &(0x7f0000000040)) sendmsg$BATADV_CMD_SET_MESH(0xffffffffffffffff, &(0x7f0000000140)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x8416030}, 0xc, &(0x7f0000000100)={&(0x7f00000000c0)={0x2c, 0x0, 0x4, 0x70bd2d, 0x25dfdbfc, {}, [@BATADV_ATTR_TPMETER_TEST_TIME={0x8}, @BATADV_ATTR_FRAGMENTATION_ENABLED={0x5}, @BATADV_ATTR_TPMETER_TEST_TIME={0x8, 0xb, 0xc0}]}, 0x2c}, 0x1, 0x0, 0x0, 0x800}, 0x4000) ioctl$NBD_SET_SOCK(0xffffffffffffffff, 0x5452, 0xffffffffffffffff) sendmsg$BATADV_CMD_GET_BLA_CLAIM(0xffffffffffffffff, &(0x7f0000000240)={&(0x7f0000000180), 0xc, &(0x7f0000000200)={&(0x7f00000001c0)={0x24, 0x0, 0x800, 0x70bd29, 0x25dfdbfb, {}, [@BATADV_ATTR_ISOLATION_MASK={0x8, 0x2c, 0x3}, @BATADV_ATTR_HARD_IFINDEX={0x8}]}, 0x24}, 0x1, 0x0, 0x0, 0x84}, 0x11) r0 = ioctl$TIOCGPTPEER(0xffffffffffffffff, 0x5441, 0x3) ioctl$VT_OPENQRY(r0, 0x5600, &(0x7f0000000080)) 08:01:54 executing program 2: r0 = openat$ptmx(0xffffffffffffff9c, &(0x7f0000000040), 0x0, 0x0) ioctl$TIOCGPTPEER(r0, 0x5441, 0xdbb8) r1 = syz_open_dev$ttys(0xc, 0x2, 0x1) ioctl$TCSETSW(r1, 0x5403, &(0x7f0000000540)={0x0, 0xfff, 0xffffffff, 0xc, 0x0, "baf26a10e07ba77f1de09b779f3357c9c5a583"}) ioctl$KDDISABIO(r1, 0x4b37) 08:01:54 executing program 0: ioctl$ifreq_SIOCGIFINDEX_batadv_mesh(0xffffffffffffffff, 0x8933, &(0x7f0000000040)) (async) sendmsg$BATADV_CMD_SET_MESH(0xffffffffffffffff, &(0x7f0000000140)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x8416030}, 0xc, &(0x7f0000000100)={&(0x7f00000000c0)={0x2c, 0x0, 0x4, 0x70bd2d, 0x25dfdbfc, {}, [@BATADV_ATTR_TPMETER_TEST_TIME={0x8}, @BATADV_ATTR_FRAGMENTATION_ENABLED={0x5}, @BATADV_ATTR_TPMETER_TEST_TIME={0x8, 0xb, 0xc0}]}, 0x2c}, 0x1, 0x0, 0x0, 0x800}, 0x4000) (async) ioctl$NBD_SET_SOCK(0xffffffffffffffff, 0x5452, 0xffffffffffffffff) (async) sendmsg$BATADV_CMD_GET_BLA_CLAIM(0xffffffffffffffff, &(0x7f0000000240)={&(0x7f0000000180), 0xc, &(0x7f0000000200)={&(0x7f00000001c0)={0x24, 0x0, 0x800, 0x70bd29, 0x25dfdbfb, {}, [@BATADV_ATTR_ISOLATION_MASK={0x8, 0x2c, 0x3}, @BATADV_ATTR_HARD_IFINDEX={0x8}]}, 0x24}, 0x1, 0x0, 0x0, 0x84}, 0x11) (async) r0 = ioctl$TIOCGPTPEER(0xffffffffffffffff, 0x5441, 0x3) ioctl$VT_OPENQRY(r0, 0x5600, &(0x7f0000000080)) 08:01:54 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000200), r1) sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f0000000200)={0x0, 0x6c, &(0x7f00000001c0)={&(0x7f0000000140)={0x1c, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x1c}}, 0x0) [ 1276.805784] block nbd3: not configured, cannot reconfigure [ 1276.832203] block nbd1: not configured, cannot reconfigure 08:01:54 executing program 1: syz_open_dev$ndb(&(0x7f00000002c0), 0x0, 0x0) r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000200), r1) sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f0000000200)={0x0, 0x74, &(0x7f00000001c0)={&(0x7f0000000140)={0x1c, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x1c}}, 0x0) 08:01:54 executing program 4: syz_open_dev$ndb(&(0x7f00000002c0), 0x0, 0x0) r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000200), r1) sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f0000000200)={0x0, 0x0, &(0x7f00000001c0)={&(0x7f0000000140)={0x1c, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x1c}, 0x1, 0x0, 0x0, 0x8}, 0x20000000) [ 1276.870229] block nbd4: not configured, cannot reconfigure 08:01:54 executing program 2: r0 = openat$ptmx(0xffffffffffffff9c, &(0x7f0000000040), 0x0, 0x0) ioctl$TIOCGPTPEER(r0, 0x5441, 0xdbb8) r1 = syz_open_dev$ttys(0xc, 0x2, 0x1) ioctl$TCSETSW(r1, 0x5403, &(0x7f0000000540)={0x0, 0xfff, 0xffffffff, 0xc, 0x0, "baf26a10e07ba77f1de09b779f3357c9c5a583"}) ioctl$KDDISABIO(r1, 0x4b37) openat$ptmx(0xffffffffffffff9c, &(0x7f0000000040), 0x0, 0x0) (async) ioctl$TIOCGPTPEER(r0, 0x5441, 0xdbb8) (async) syz_open_dev$ttys(0xc, 0x2, 0x1) (async) ioctl$TCSETSW(r1, 0x5403, &(0x7f0000000540)={0x0, 0xfff, 0xffffffff, 0xc, 0x0, "baf26a10e07ba77f1de09b779f3357c9c5a583"}) (async) ioctl$KDDISABIO(r1, 0x4b37) (async) 08:01:54 executing program 0: ioctl$ifreq_SIOCGIFINDEX_batadv_mesh(0xffffffffffffffff, 0x8933, &(0x7f0000000040)) (async, rerun: 32) sendmsg$BATADV_CMD_SET_MESH(0xffffffffffffffff, &(0x7f0000000140)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x8416030}, 0xc, &(0x7f0000000100)={&(0x7f00000000c0)={0x2c, 0x0, 0x4, 0x70bd2d, 0x25dfdbfc, {}, [@BATADV_ATTR_TPMETER_TEST_TIME={0x8}, @BATADV_ATTR_FRAGMENTATION_ENABLED={0x5}, @BATADV_ATTR_TPMETER_TEST_TIME={0x8, 0xb, 0xc0}]}, 0x2c}, 0x1, 0x0, 0x0, 0x800}, 0x4000) (rerun: 32) ioctl$NBD_SET_SOCK(0xffffffffffffffff, 0x5452, 0xffffffffffffffff) (async, rerun: 32) sendmsg$BATADV_CMD_GET_BLA_CLAIM(0xffffffffffffffff, &(0x7f0000000240)={&(0x7f0000000180), 0xc, &(0x7f0000000200)={&(0x7f00000001c0)={0x24, 0x0, 0x800, 0x70bd29, 0x25dfdbfb, {}, [@BATADV_ATTR_ISOLATION_MASK={0x8, 0x2c, 0x3}, @BATADV_ATTR_HARD_IFINDEX={0x8}]}, 0x24}, 0x1, 0x0, 0x0, 0x84}, 0x11) (async, rerun: 32) r0 = ioctl$TIOCGPTPEER(0xffffffffffffffff, 0x5441, 0x3) ioctl$VT_OPENQRY(r0, 0x5600, &(0x7f0000000080)) 08:01:54 executing program 5: r0 = syz_open_dev$ndb(&(0x7f00000002c0), 0x0, 0x18000) r1 = syz_open_dev$vcsn(&(0x7f0000000140), 0x1, 0x0) ioctl$MEDIA_IOC_REQUEST_ALLOC(r1, 0x80047c05, &(0x7f0000000180)) ioctl$NBD_CLEAR_SOCK(r0, 0xab04) ioctl$NBD_SET_SOCK(r0, 0x5421, r1) (async) ioctl$NBD_SET_SOCK(r0, 0x5421, r1) 08:01:54 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000200), r1) sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f0000000200)={0x0, 0x74, &(0x7f00000001c0)={&(0x7f0000000140)={0x1c, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x1c}}, 0x0) [ 1276.918644] block nbd3: not configured, cannot reconfigure [ 1276.947117] block nbd1: not configured, cannot reconfigure 08:01:54 executing program 1: syz_open_dev$ndb(&(0x7f00000002c0), 0x0, 0x0) r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000200), r1) sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f0000000200)={0x0, 0x7a, &(0x7f00000001c0)={&(0x7f0000000140)={0x1c, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x1c}}, 0x0) 08:01:54 executing program 2: r0 = openat$ptmx(0xffffffffffffff9c, &(0x7f0000000040), 0x0, 0x0) ioctl$TIOCGPTPEER(r0, 0x5441, 0xdbb8) r1 = syz_open_dev$ttys(0xc, 0x2, 0x1) ioctl$TCSETSW(r1, 0x5403, &(0x7f0000000540)={0x0, 0xfff, 0xffffffff, 0xc, 0x0, "baf26a10e07ba77f1de09b779f3357c9c5a583"}) (async) ioctl$KDDISABIO(r1, 0x4b37) 08:01:54 executing program 5: r0 = syz_open_dev$ndb(&(0x7f00000002c0), 0x0, 0x0) ioctl$NBD_CLEAR_SOCK(0xffffffffffffffff, 0xab04) ioctl$NBD_SET_SOCK(r0, 0x5421, 0xffffffffffffffff) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000200), 0xffffffffffffffff) r2 = syz_open_dev$vcsn(&(0x7f0000000140), 0x1, 0x0) ioctl$MEDIA_IOC_REQUEST_ALLOC(r2, 0x80047c05, &(0x7f0000000180)) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000240)={0xffffffffffffffff, 0xffffffffffffffff}) r5 = socket(0x5, 0x2, 0x1) r6 = open(&(0x7f0000000280)='./file0\x00', 0x282080, 0x1) sendmsg$NBD_CMD_STATUS(0xffffffffffffffff, &(0x7f00000003c0)={&(0x7f00000001c0)={0x10, 0x0, 0x0, 0x4000000}, 0xc, &(0x7f0000000380)={&(0x7f0000000300)={0x74, r1, 0x1, 0x70bd26, 0x25dfdbfd, {}, [@NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x8}, @NBD_ATTR_BACKEND_IDENTIFIER={0xe, 0xa, '/dev/nbd#\x00'}, @NBD_ATTR_SOCKETS={0x44, 0x7, 0x0, 0x1, [{0x8}, {0x8, 0x1, r2}, {0x8, 0x1, r3}, {0x8, 0x1, r5}, {0x8}, {0x8, 0x1, r6}, {0x8}, {0x8}]}]}, 0x74}, 0x1, 0x0, 0x0, 0x4008001}, 0x40000) ioctl$NBD_SET_SOCK(r0, 0xab00, 0xffffffffffffffff) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000400)={0xffffffffffffffff, 0xffffffffffffffff}) r8 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_DISCONNECT(r8, &(0x7f00000008c0)={0x0, 0x0, &(0x7f0000000880)={0x0}}, 0x1) sendmsg$NBD_CMD_DISCONNECT(r8, &(0x7f0000000700)={&(0x7f0000000640)={0x10, 0x0, 0x0, 0x200}, 0xc, &(0x7f00000006c0)={&(0x7f0000000680)={0x24, r1, 0x808, 0x70bd27, 0x25dfdbfe, {}, [@NBD_ATTR_BACKEND_IDENTIFIER={0x10, 0xa, '/dev/media#\x00'}]}, 0x24}, 0x1, 0x0, 0x0, 0x20040094}, 0x20084010) r9 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) ioctl$AUTOFS_DEV_IOCTL_PROTOVER(r6, 0xc0189372, &(0x7f0000000500)={{0x1, 0x1, 0x18, r7, {0xffffffe1}}, './file0\x00'}) sendmsg$NBD_CMD_DISCONNECT(r9, &(0x7f00000008c0)={0x0, 0x0, &(0x7f0000000880)={0x0}}, 0x1) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) sendmsg$NBD_CMD_STATUS(r9, &(0x7f0000000140)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x8}, 0xc, &(0x7f0000000100)={&(0x7f0000000080)={0x64, 0x0, 0x2, 0x70bd26, 0x25dfdbff, {}, [@NBD_ATTR_SOCKETS={0x3c, 0x7, 0x0, 0x1, [{0x8}, {0x8, 0x1, r0}, {0x8, 0x1, r10}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x4}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x64}, 0x1, 0x0, 0x0, 0x14}, 0x4880) syz_open_dev$media(&(0x7f0000000180), 0xffffffffffffffd9, 0x1) getsockopt$sock_cred(r4, 0x1, 0x11, &(0x7f0000000440), &(0x7f0000000480)=0xc) r11 = syz_genetlink_get_family_id$batadv(&(0x7f0000000600), r2) sendmsg$BATADV_CMD_GET_MESH(r2, &(0x7f00000005c0)={&(0x7f00000004c0)={0x10, 0x0, 0x0, 0x100}, 0xc, &(0x7f0000000580)={&(0x7f0000000540)={0x1c, r11, 0x100, 0x70bd29, 0x25dfdbff, {}, [@BATADV_ATTR_BRIDGE_LOOP_AVOIDANCE_ENABLED={0x5}]}, 0x1c}}, 0x4000010) 08:01:54 executing program 0: r0 = syz_open_dev$ndb(&(0x7f00000002c0), 0x0, 0x0) ioctl$TIOCOUTQ(0xffffffffffffffff, 0x5411, &(0x7f0000000000)) ioctl$NBD_SET_SOCK(r0, 0x5452, 0xffffffffffffffff) 08:01:54 executing program 4: syz_open_dev$ndb(&(0x7f00000002c0), 0x0, 0x0) r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000200), r1) sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f0000000200)={0x0, 0x0, &(0x7f00000001c0)={&(0x7f0000000140)={0x14, r2, 0x1}, 0x14}, 0x1, 0x0, 0x0, 0x8}, 0x20000000) [ 1276.982859] block nbd4: not configured, cannot reconfigure 08:01:54 executing program 2: r0 = openat$ptmx(0xffffffffffffff9c, &(0x7f0000000040), 0x121001, 0x0) ioctl$TIOCGPTPEER(r0, 0x5441, 0xdbb8) r1 = openat$ttyprintk(0xffffffffffffff9c, &(0x7f0000000000), 0x400, 0x0) ioctl$TIOCSISO7816(r1, 0xc0285443, &(0x7f0000000080)={0xf104, 0x2, 0x6, 0x3ff, 0xfb}) 08:01:54 executing program 0: r0 = syz_open_dev$ndb(&(0x7f00000002c0), 0x0, 0x0) ioctl$TIOCOUTQ(0xffffffffffffffff, 0x5411, &(0x7f0000000000)) ioctl$NBD_SET_SOCK(r0, 0x5452, 0xffffffffffffffff) (async) ioctl$NBD_SET_SOCK(r0, 0x5452, 0xffffffffffffffff) 08:01:54 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000200), r1) sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f0000000200)={0x0, 0x7a, &(0x7f00000001c0)={&(0x7f0000000140)={0x1c, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x1c}}, 0x0) 08:01:54 executing program 1: syz_open_dev$ndb(&(0x7f00000002c0), 0x0, 0x0) r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000200), r1) sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f0000000200)={0x0, 0xf0, &(0x7f00000001c0)={&(0x7f0000000140)={0x1c, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x1c}}, 0x0) 08:01:54 executing program 5: r0 = syz_open_dev$ndb(&(0x7f00000002c0), 0x0, 0x0) ioctl$NBD_CLEAR_SOCK(0xffffffffffffffff, 0xab04) (async, rerun: 64) ioctl$NBD_SET_SOCK(r0, 0x5421, 0xffffffffffffffff) (async, rerun: 64) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000200), 0xffffffffffffffff) (async, rerun: 32) r2 = syz_open_dev$vcsn(&(0x7f0000000140), 0x1, 0x0) (rerun: 32) ioctl$MEDIA_IOC_REQUEST_ALLOC(r2, 0x80047c05, &(0x7f0000000180)) (async, rerun: 64) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000240)={0xffffffffffffffff, 0xffffffffffffffff}) (async, rerun: 64) r5 = socket(0x5, 0x2, 0x1) (async) r6 = open(&(0x7f0000000280)='./file0\x00', 0x282080, 0x1) sendmsg$NBD_CMD_STATUS(0xffffffffffffffff, &(0x7f00000003c0)={&(0x7f00000001c0)={0x10, 0x0, 0x0, 0x4000000}, 0xc, &(0x7f0000000380)={&(0x7f0000000300)={0x74, r1, 0x1, 0x70bd26, 0x25dfdbfd, {}, [@NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x8}, @NBD_ATTR_BACKEND_IDENTIFIER={0xe, 0xa, '/dev/nbd#\x00'}, @NBD_ATTR_SOCKETS={0x44, 0x7, 0x0, 0x1, [{0x8}, {0x8, 0x1, r2}, {0x8, 0x1, r3}, {0x8, 0x1, r5}, {0x8}, {0x8, 0x1, r6}, {0x8}, {0x8}]}]}, 0x74}, 0x1, 0x0, 0x0, 0x4008001}, 0x40000) (async) ioctl$NBD_SET_SOCK(r0, 0xab00, 0xffffffffffffffff) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000400)={0xffffffffffffffff, 0xffffffffffffffff}) (async) r8 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_DISCONNECT(r8, &(0x7f00000008c0)={0x0, 0x0, &(0x7f0000000880)={0x0}}, 0x1) sendmsg$NBD_CMD_DISCONNECT(r8, &(0x7f0000000700)={&(0x7f0000000640)={0x10, 0x0, 0x0, 0x200}, 0xc, &(0x7f00000006c0)={&(0x7f0000000680)={0x24, r1, 0x808, 0x70bd27, 0x25dfdbfe, {}, [@NBD_ATTR_BACKEND_IDENTIFIER={0x10, 0xa, '/dev/media#\x00'}]}, 0x24}, 0x1, 0x0, 0x0, 0x20040094}, 0x20084010) (async, rerun: 32) r9 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (rerun: 32) ioctl$AUTOFS_DEV_IOCTL_PROTOVER(r6, 0xc0189372, &(0x7f0000000500)={{0x1, 0x1, 0x18, r7, {0xffffffe1}}, './file0\x00'}) (async) sendmsg$NBD_CMD_DISCONNECT(r9, &(0x7f00000008c0)={0x0, 0x0, &(0x7f0000000880)={0x0}}, 0x1) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) sendmsg$NBD_CMD_STATUS(r9, &(0x7f0000000140)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x8}, 0xc, &(0x7f0000000100)={&(0x7f0000000080)={0x64, 0x0, 0x2, 0x70bd26, 0x25dfdbff, {}, [@NBD_ATTR_SOCKETS={0x3c, 0x7, 0x0, 0x1, [{0x8}, {0x8, 0x1, r0}, {0x8, 0x1, r10}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x4}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x64}, 0x1, 0x0, 0x0, 0x14}, 0x4880) syz_open_dev$media(&(0x7f0000000180), 0xffffffffffffffd9, 0x1) (async) getsockopt$sock_cred(r4, 0x1, 0x11, &(0x7f0000000440), &(0x7f0000000480)=0xc) (async, rerun: 64) r11 = syz_genetlink_get_family_id$batadv(&(0x7f0000000600), r2) (rerun: 64) sendmsg$BATADV_CMD_GET_MESH(r2, &(0x7f00000005c0)={&(0x7f00000004c0)={0x10, 0x0, 0x0, 0x100}, 0xc, &(0x7f0000000580)={&(0x7f0000000540)={0x1c, r11, 0x100, 0x70bd29, 0x25dfdbff, {}, [@BATADV_ATTR_BRIDGE_LOOP_AVOIDANCE_ENABLED={0x5}]}, 0x1c}}, 0x4000010) [ 1277.043961] block nbd1: not configured, cannot reconfigure [ 1277.061865] block nbd3: not configured, cannot reconfigure [ 1277.079628] nbd: must specify a device to reconfigure 08:01:54 executing program 4: syz_open_dev$ndb(&(0x7f00000002c0), 0x0, 0x0) r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000200), r1) sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f0000000200)={0x0, 0x0, &(0x7f00000001c0)={&(0x7f0000000140)={0x14, r2, 0x1}, 0x14}, 0x1, 0x0, 0x0, 0x8}, 0x20000000) 08:01:54 executing program 2: r0 = openat$ptmx(0xffffffffffffff9c, &(0x7f0000000040), 0x121001, 0x0) ioctl$TIOCGPTPEER(r0, 0x5441, 0xdbb8) r1 = openat$ttyprintk(0xffffffffffffff9c, &(0x7f0000000000), 0x400, 0x0) ioctl$TIOCSISO7816(r1, 0xc0285443, &(0x7f0000000080)={0xf104, 0x2, 0x6, 0x3ff, 0xfb}) openat$ptmx(0xffffffffffffff9c, &(0x7f0000000040), 0x121001, 0x0) (async) ioctl$TIOCGPTPEER(r0, 0x5441, 0xdbb8) (async) openat$ttyprintk(0xffffffffffffff9c, &(0x7f0000000000), 0x400, 0x0) (async) ioctl$TIOCSISO7816(r1, 0xc0285443, &(0x7f0000000080)={0xf104, 0x2, 0x6, 0x3ff, 0xfb}) (async) 08:01:54 executing program 0: r0 = syz_open_dev$ndb(&(0x7f00000002c0), 0x0, 0x0) ioctl$TIOCOUTQ(0xffffffffffffffff, 0x5411, &(0x7f0000000000)) ioctl$NBD_SET_SOCK(r0, 0x5452, 0xffffffffffffffff) syz_open_dev$ndb(&(0x7f00000002c0), 0x0, 0x0) (async) ioctl$TIOCOUTQ(0xffffffffffffffff, 0x5411, &(0x7f0000000000)) (async) ioctl$NBD_SET_SOCK(r0, 0x5452, 0xffffffffffffffff) (async) [ 1277.144545] block nbd3: not configured, cannot reconfigure [ 1277.183531] block nbd1: not configured, cannot reconfigure 08:01:54 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000200), r1) sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f0000000200)={0x0, 0xf0, &(0x7f00000001c0)={&(0x7f0000000140)={0x1c, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x1c}}, 0x0) [ 1277.207397] nbd: must specify a device to reconfigure 08:01:54 executing program 1: syz_open_dev$ndb(&(0x7f00000002c0), 0x0, 0x0) r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000200), r1) sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f0000000200)={0x0, 0x300, &(0x7f00000001c0)={&(0x7f0000000140)={0x1c, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x1c}}, 0x0) 08:01:54 executing program 4: syz_open_dev$ndb(&(0x7f00000002c0), 0x0, 0x0) r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000200), r1) sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f0000000200)={0x0, 0x0, &(0x7f00000001c0)={&(0x7f0000000140)={0x14, r2, 0x1}, 0x14}, 0x1, 0x0, 0x0, 0x8}, 0x20000000) 08:01:54 executing program 2: r0 = openat$ptmx(0xffffffffffffff9c, &(0x7f0000000040), 0x121001, 0x0) ioctl$TIOCGPTPEER(r0, 0x5441, 0xdbb8) (async) r1 = openat$ttyprintk(0xffffffffffffff9c, &(0x7f0000000000), 0x400, 0x0) ioctl$TIOCSISO7816(r1, 0xc0285443, &(0x7f0000000080)={0xf104, 0x2, 0x6, 0x3ff, 0xfb}) 08:01:54 executing program 0: r0 = syz_open_dev$ndb(&(0x7f00000002c0), 0x0, 0x8080) ioctl$NBD_SET_SOCK(r0, 0x5452, 0xffffffffffffffff) 08:01:54 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000200), r1) sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f0000000200)={0x0, 0x300, &(0x7f00000001c0)={&(0x7f0000000140)={0x1c, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x1c}}, 0x0) 08:01:54 executing program 5: r0 = syz_open_dev$ndb(&(0x7f00000002c0), 0x0, 0x0) ioctl$NBD_CLEAR_SOCK(0xffffffffffffffff, 0xab04) (async) ioctl$NBD_SET_SOCK(r0, 0x5421, 0xffffffffffffffff) (async) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000200), 0xffffffffffffffff) (async) r2 = syz_open_dev$vcsn(&(0x7f0000000140), 0x1, 0x0) ioctl$MEDIA_IOC_REQUEST_ALLOC(r2, 0x80047c05, &(0x7f0000000180)) (async) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000240)={0xffffffffffffffff, 0xffffffffffffffff}) (async) r5 = socket(0x5, 0x2, 0x1) (async) r6 = open(&(0x7f0000000280)='./file0\x00', 0x282080, 0x1) sendmsg$NBD_CMD_STATUS(0xffffffffffffffff, &(0x7f00000003c0)={&(0x7f00000001c0)={0x10, 0x0, 0x0, 0x4000000}, 0xc, &(0x7f0000000380)={&(0x7f0000000300)={0x74, r1, 0x1, 0x70bd26, 0x25dfdbfd, {}, [@NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x8}, @NBD_ATTR_BACKEND_IDENTIFIER={0xe, 0xa, '/dev/nbd#\x00'}, @NBD_ATTR_SOCKETS={0x44, 0x7, 0x0, 0x1, [{0x8}, {0x8, 0x1, r2}, {0x8, 0x1, r3}, {0x8, 0x1, r5}, {0x8}, {0x8, 0x1, r6}, {0x8}, {0x8}]}]}, 0x74}, 0x1, 0x0, 0x0, 0x4008001}, 0x40000) (async) ioctl$NBD_SET_SOCK(r0, 0xab00, 0xffffffffffffffff) (async) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000400)={0xffffffffffffffff, 0xffffffffffffffff}) (async) r8 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_DISCONNECT(r8, &(0x7f00000008c0)={0x0, 0x0, &(0x7f0000000880)={0x0}}, 0x1) (async) sendmsg$NBD_CMD_DISCONNECT(r8, &(0x7f0000000700)={&(0x7f0000000640)={0x10, 0x0, 0x0, 0x200}, 0xc, &(0x7f00000006c0)={&(0x7f0000000680)={0x24, r1, 0x808, 0x70bd27, 0x25dfdbfe, {}, [@NBD_ATTR_BACKEND_IDENTIFIER={0x10, 0xa, '/dev/media#\x00'}]}, 0x24}, 0x1, 0x0, 0x0, 0x20040094}, 0x20084010) (async) r9 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) ioctl$AUTOFS_DEV_IOCTL_PROTOVER(r6, 0xc0189372, &(0x7f0000000500)={{0x1, 0x1, 0x18, r7, {0xffffffe1}}, './file0\x00'}) sendmsg$NBD_CMD_DISCONNECT(r9, &(0x7f00000008c0)={0x0, 0x0, &(0x7f0000000880)={0x0}}, 0x1) (async) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) sendmsg$NBD_CMD_STATUS(r9, &(0x7f0000000140)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x8}, 0xc, &(0x7f0000000100)={&(0x7f0000000080)={0x64, 0x0, 0x2, 0x70bd26, 0x25dfdbff, {}, [@NBD_ATTR_SOCKETS={0x3c, 0x7, 0x0, 0x1, [{0x8}, {0x8, 0x1, r0}, {0x8, 0x1, r10}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x4}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x64}, 0x1, 0x0, 0x0, 0x14}, 0x4880) (async) syz_open_dev$media(&(0x7f0000000180), 0xffffffffffffffd9, 0x1) getsockopt$sock_cred(r4, 0x1, 0x11, &(0x7f0000000440), &(0x7f0000000480)=0xc) (async) r11 = syz_genetlink_get_family_id$batadv(&(0x7f0000000600), r2) sendmsg$BATADV_CMD_GET_MESH(r2, &(0x7f00000005c0)={&(0x7f00000004c0)={0x10, 0x0, 0x0, 0x100}, 0xc, &(0x7f0000000580)={&(0x7f0000000540)={0x1c, r11, 0x100, 0x70bd29, 0x25dfdbff, {}, [@BATADV_ATTR_BRIDGE_LOOP_AVOIDANCE_ENABLED={0x5}]}, 0x1c}}, 0x4000010) [ 1277.290986] block nbd3: not configured, cannot reconfigure [ 1277.312100] block nbd1: not configured, cannot reconfigure 08:01:54 executing program 4: syz_open_dev$ndb(&(0x7f00000002c0), 0x0, 0x0) r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000200), r1) sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f0000000200)={0x0, 0x0, &(0x7f00000001c0)={&(0x7f0000000140)={0x1c, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x1c}}, 0x20000000) 08:01:54 executing program 1: syz_open_dev$ndb(&(0x7f00000002c0), 0x0, 0x0) r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000200), r1) sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f0000000200)={0x0, 0x500, &(0x7f00000001c0)={&(0x7f0000000140)={0x1c, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x1c}}, 0x0) [ 1277.351349] nbd: must specify a device to reconfigure 08:01:54 executing program 2: openat$ptmx(0xffffffffffffff9c, &(0x7f0000000040), 0x0, 0x0) r0 = openat$ptmx(0xffffffffffffff9c, &(0x7f0000000000), 0x900, 0x0) r1 = syz_open_dev$ttys(0xc, 0x2, 0x1) mmap$KVM_VCPU(&(0x7f0000ffe000/0x2000)=nil, 0x930, 0x8, 0x4010, 0xffffffffffffffff, 0x0) ioctl$TCSETSW(r1, 0x5403, &(0x7f0000000540)={0x0, 0x0, 0xffffffff, 0x9, 0x0, "baf26a10e07ba77f1de09b779f3357c9c5a583"}) ioctl$TUNDETACHFILTER(0xffffffffffffffff, 0x401054d6, 0x0) r2 = syz_open_dev$vcsn(&(0x7f00000000c0), 0x5, 0x40) ioctl$TIOCNOTTY(0xffffffffffffffff, 0x5422) ioctl$PIO_FONTX(r2, 0x4b6c, &(0x7f0000000500)={0x1e6, 0x0, &(0x7f0000000100)="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"}) r3 = syz_open_dev$vcsn(&(0x7f0000000080), 0x7f, 0x101801) openat$khugepaged_scan(0xffffffffffffff9c, &(0x7f0000000580), 0x1, 0x0) ioctl$TIOCGPTPEER(r3, 0x5441, 0x200) ioctl$TIOCNOTTY(r0, 0x5422) r4 = ioctl$TIOCGPTPEER(r1, 0x5441, 0x1000) ioctl$TIOCMIWAIT(r4, 0x545c, 0x0) 08:01:54 executing program 0: r0 = syz_open_dev$ndb(&(0x7f00000002c0), 0x0, 0x8080) ioctl$NBD_SET_SOCK(r0, 0x5452, 0xffffffffffffffff) syz_open_dev$ndb(&(0x7f00000002c0), 0x0, 0x8080) (async) ioctl$NBD_SET_SOCK(r0, 0x5452, 0xffffffffffffffff) (async) [ 1277.400627] block nbd3: not configured, cannot reconfigure [ 1277.434521] block nbd4: not configured, cannot reconfigure 08:01:55 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000200), r1) sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f0000000200)={0x0, 0x500, &(0x7f00000001c0)={&(0x7f0000000140)={0x1c, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x1c}}, 0x0) 08:01:55 executing program 4: syz_open_dev$ndb(&(0x7f00000002c0), 0x0, 0x0) r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000200), r1) sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f0000000200)={0x0, 0x0, &(0x7f00000001c0)={&(0x7f0000000140)={0x1c, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x1c}}, 0x0) 08:01:55 executing program 1: syz_open_dev$ndb(&(0x7f00000002c0), 0x0, 0x0) r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000200), r1) sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f0000000200)={0x0, 0x600, &(0x7f00000001c0)={&(0x7f0000000140)={0x1c, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x1c}}, 0x0) [ 1277.445743] block nbd1: not configured, cannot reconfigure 08:01:55 executing program 0: r0 = syz_open_dev$ndb(&(0x7f00000002c0), 0x0, 0x8080) ioctl$NBD_SET_SOCK(r0, 0x5452, 0xffffffffffffffff) syz_open_dev$ndb(&(0x7f00000002c0), 0x0, 0x8080) (async) ioctl$NBD_SET_SOCK(r0, 0x5452, 0xffffffffffffffff) (async) 08:01:55 executing program 5: r0 = syz_open_dev$ndb(&(0x7f00000002c0), 0x0, 0x0) r1 = syz_open_dev$vcsn(&(0x7f0000000140), 0x1, 0x0) ioctl$MEDIA_IOC_REQUEST_ALLOC(r1, 0x80047c05, &(0x7f0000000180)) ioctl$NBD_SET_SOCK(r0, 0x5421, r1) 08:01:55 executing program 2: openat$ptmx(0xffffffffffffff9c, &(0x7f0000000040), 0x0, 0x0) (async) r0 = openat$ptmx(0xffffffffffffff9c, &(0x7f0000000000), 0x900, 0x0) (async) r1 = syz_open_dev$ttys(0xc, 0x2, 0x1) mmap$KVM_VCPU(&(0x7f0000ffe000/0x2000)=nil, 0x930, 0x8, 0x4010, 0xffffffffffffffff, 0x0) (async) ioctl$TCSETSW(r1, 0x5403, &(0x7f0000000540)={0x0, 0x0, 0xffffffff, 0x9, 0x0, "baf26a10e07ba77f1de09b779f3357c9c5a583"}) ioctl$TUNDETACHFILTER(0xffffffffffffffff, 0x401054d6, 0x0) (async) r2 = syz_open_dev$vcsn(&(0x7f00000000c0), 0x5, 0x40) ioctl$TIOCNOTTY(0xffffffffffffffff, 0x5422) (async) ioctl$PIO_FONTX(r2, 0x4b6c, &(0x7f0000000500)={0x1e6, 0x0, &(0x7f0000000100)="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"}) r3 = syz_open_dev$vcsn(&(0x7f0000000080), 0x7f, 0x101801) openat$khugepaged_scan(0xffffffffffffff9c, &(0x7f0000000580), 0x1, 0x0) (async) ioctl$TIOCGPTPEER(r3, 0x5441, 0x200) (async) ioctl$TIOCNOTTY(r0, 0x5422) (async) r4 = ioctl$TIOCGPTPEER(r1, 0x5441, 0x1000) ioctl$TIOCMIWAIT(r4, 0x545c, 0x0) [ 1277.515595] block nbd3: not configured, cannot reconfigure [ 1277.537715] block nbd4: not configured, cannot reconfigure 08:01:55 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000200), r1) sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f0000000200)={0x0, 0x600, &(0x7f00000001c0)={&(0x7f0000000140)={0x1c, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x1c}}, 0x0) 08:01:55 executing program 5: r0 = syz_open_dev$ndb(&(0x7f00000002c0), 0x0, 0x0) r1 = syz_open_dev$vcsn(&(0x7f0000000140), 0x1, 0x0) ioctl$MEDIA_IOC_REQUEST_ALLOC(r1, 0x80047c05, &(0x7f0000000180)) (async) ioctl$NBD_SET_SOCK(r0, 0x5421, r1) 08:01:55 executing program 4: syz_open_dev$ndb(&(0x7f00000002c0), 0x0, 0x0) r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000200), r1) sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f0000000200)={0x0, 0x0, &(0x7f00000001c0)={&(0x7f0000000140)={0x1c, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x1c}}, 0x0) [ 1277.562840] block nbd1: not configured, cannot reconfigure 08:01:55 executing program 1: syz_open_dev$ndb(&(0x7f00000002c0), 0x0, 0x0) r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000200), r1) sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f0000000200)={0x0, 0x700, &(0x7f00000001c0)={&(0x7f0000000140)={0x1c, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x1c}}, 0x0) 08:01:55 executing program 0: r0 = syz_open_dev$ndb(&(0x7f00000002c0), 0x0, 0x200040) r1 = open(&(0x7f0000000000)='./file0\x00', 0xc0202, 0x30) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) seccomp$SECCOMP_SET_MODE_FILTER(0x1, 0x2, &(0x7f00000000c0)={0x0, &(0x7f0000000040)}) ioctl$NBD_SET_SOCK(r0, 0x5452, r1) 08:01:55 executing program 5: r0 = syz_open_dev$ndb(&(0x7f00000002c0), 0x0, 0x0) (async) r1 = syz_open_dev$vcsn(&(0x7f0000000140), 0x1, 0x0) ioctl$MEDIA_IOC_REQUEST_ALLOC(r1, 0x80047c05, &(0x7f0000000180)) ioctl$NBD_SET_SOCK(r0, 0x5421, r1) 08:01:55 executing program 2: openat$ptmx(0xffffffffffffff9c, &(0x7f0000000040), 0x0, 0x0) (async) openat$ptmx(0xffffffffffffff9c, &(0x7f0000000040), 0x0, 0x0) r0 = openat$ptmx(0xffffffffffffff9c, &(0x7f0000000000), 0x900, 0x0) r1 = syz_open_dev$ttys(0xc, 0x2, 0x1) mmap$KVM_VCPU(&(0x7f0000ffe000/0x2000)=nil, 0x930, 0x8, 0x4010, 0xffffffffffffffff, 0x0) ioctl$TCSETSW(r1, 0x5403, &(0x7f0000000540)={0x0, 0x0, 0xffffffff, 0x9, 0x0, "baf26a10e07ba77f1de09b779f3357c9c5a583"}) ioctl$TUNDETACHFILTER(0xffffffffffffffff, 0x401054d6, 0x0) syz_open_dev$vcsn(&(0x7f00000000c0), 0x5, 0x40) (async) r2 = syz_open_dev$vcsn(&(0x7f00000000c0), 0x5, 0x40) ioctl$TIOCNOTTY(0xffffffffffffffff, 0x5422) ioctl$PIO_FONTX(r2, 0x4b6c, &(0x7f0000000500)={0x1e6, 0x0, &(0x7f0000000100)="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"}) r3 = syz_open_dev$vcsn(&(0x7f0000000080), 0x7f, 0x101801) openat$khugepaged_scan(0xffffffffffffff9c, &(0x7f0000000580), 0x1, 0x0) (async) openat$khugepaged_scan(0xffffffffffffff9c, &(0x7f0000000580), 0x1, 0x0) ioctl$TIOCGPTPEER(r3, 0x5441, 0x200) ioctl$TIOCNOTTY(r0, 0x5422) (async) ioctl$TIOCNOTTY(r0, 0x5422) ioctl$TIOCGPTPEER(r1, 0x5441, 0x1000) (async) r4 = ioctl$TIOCGPTPEER(r1, 0x5441, 0x1000) ioctl$TIOCMIWAIT(r4, 0x545c, 0x0) [ 1277.604267] block nbd3: not configured, cannot reconfigure 08:01:55 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000200), r1) sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f0000000200)={0x0, 0x700, &(0x7f00000001c0)={&(0x7f0000000140)={0x1c, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x1c}}, 0x0) 08:01:55 executing program 0: r0 = syz_open_dev$ndb(&(0x7f00000002c0), 0x0, 0x200040) (async) r1 = open(&(0x7f0000000000)='./file0\x00', 0xc0202, 0x30) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) seccomp$SECCOMP_SET_MODE_FILTER(0x1, 0x2, &(0x7f00000000c0)={0x0, &(0x7f0000000040)}) (async) ioctl$NBD_SET_SOCK(r0, 0x5452, r1) 08:01:55 executing program 5: r0 = syz_open_dev$ndb(&(0x7f00000002c0), 0x0, 0x0) ioctl$NBD_SET_SOCK(r0, 0x5421, 0xffffffffffffffff) r1 = syz_open_dev$tty20(0xc, 0x4, 0x0) ioctl$TIOCL_UNBLANKSCREEN(r1, 0x541c, &(0x7f00000000c0)) r2 = syz_open_dev$tty20(0xc, 0x4, 0x1) ioctl$TIOCL_BLANKSCREEN(r2, 0x541c, &(0x7f0000000180)) r3 = syz_genetlink_get_family_id$batadv(&(0x7f0000000040), 0xffffffffffffffff) sendmsg$BATADV_CMD_GET_TRANSTABLE_GLOBAL(0xffffffffffffffff, &(0x7f0000000100)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x2000000}, 0xc, &(0x7f00000000c0)={&(0x7f0000000140)=ANY=[@ANYBLOB="1c000000", @ANYRES16=r3, @ANYBLOB="200228bd7000fedbdf0100010000000038000100f98c819cffa79e7b7e8f3a0355f73028694159af30e2"], 0x1c}, 0x1, 0x0, 0x0, 0x4000090}, 0x800) 08:01:55 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000200), r1) sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f0000000200)={0x0, 0x600, &(0x7f00000001c0)={&(0x7f0000000140)={0x1c, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x1c}}, 0x0) 08:01:55 executing program 1: syz_open_dev$ndb(&(0x7f00000002c0), 0x0, 0x0) r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000200), r1) sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f0000000200)={0x0, 0xf00, &(0x7f00000001c0)={&(0x7f0000000140)={0x1c, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x1c}}, 0x0) [ 1277.663597] block nbd4: not configured, cannot reconfigure [ 1277.693493] block nbd1: not configured, cannot reconfigure 08:01:55 executing program 2: r0 = openat$ptmx(0xffffffffffffff9c, &(0x7f0000000040), 0x0, 0x0) ioctl$TIOCSISO7816(r0, 0xc0285443, &(0x7f0000000000)={0x6, 0x3, 0x6, 0x6, 0x6}) r1 = syz_open_dev$ttys(0xc, 0x2, 0x1) ioctl$TCSETSW(r1, 0x5403, &(0x7f0000000540)={0x0, 0x0, 0xffffffff, 0x9, 0x0, "baf26a10e07ba77f1de09b779f3357c9c5a583"}) ioctl$TIOCL_BLANKSCREEN(r1, 0x541c, &(0x7f0000000080)) ioctl$TIOCGPTPEER(r0, 0x5441, 0xdbb8) 08:01:55 executing program 0: r0 = syz_open_dev$ndb(&(0x7f00000002c0), 0x0, 0x200040) r1 = open(&(0x7f0000000000)='./file0\x00', 0xc0202, 0x30) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) (async) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) seccomp$SECCOMP_SET_MODE_FILTER(0x1, 0x2, &(0x7f00000000c0)={0x0, &(0x7f0000000040)}) ioctl$NBD_SET_SOCK(r0, 0x5452, r1) [ 1277.734538] block nbd3: not configured, cannot reconfigure 08:01:55 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000200), r1) sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f0000000200)={0x0, 0xf00, &(0x7f00000001c0)={&(0x7f0000000140)={0x1c, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x1c}}, 0x0) 08:01:55 executing program 4: openat$ptmx(0xffffffffffffff9c, &(0x7f0000000040), 0x0, 0x0) r0 = openat$ptmx(0xffffffffffffff9c, &(0x7f0000000000), 0x900, 0x0) r1 = syz_open_dev$ttys(0xc, 0x2, 0x1) mmap$KVM_VCPU(&(0x7f0000ffe000/0x2000)=nil, 0x930, 0x8, 0x4010, 0xffffffffffffffff, 0x0) ioctl$TCSETSW(r1, 0x5403, &(0x7f0000000540)={0x0, 0x0, 0xffffffff, 0x9, 0x0, "baf26a10e07ba77f1de09b779f3357c9c5a583"}) ioctl$TUNDETACHFILTER(0xffffffffffffffff, 0x401054d6, 0x0) r2 = syz_open_dev$vcsn(&(0x7f00000000c0), 0x5, 0x40) ioctl$TIOCNOTTY(0xffffffffffffffff, 0x5422) ioctl$PIO_FONTX(r2, 0x4b6c, &(0x7f0000000500)={0x1e6, 0x0, &(0x7f0000000100)="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"}) r3 = syz_open_dev$vcsn(&(0x7f0000000080), 0x7f, 0x101801) openat$khugepaged_scan(0xffffffffffffff9c, &(0x7f0000000580), 0x1, 0x0) ioctl$TIOCGPTPEER(r3, 0x5441, 0x200) ioctl$TIOCNOTTY(r0, 0x5422) r4 = ioctl$TIOCGPTPEER(r1, 0x5441, 0x1000) ioctl$TIOCMIWAIT(r4, 0x545c, 0x0) [ 1277.777774] block nbd1: not configured, cannot reconfigure 08:01:55 executing program 1: syz_open_dev$ndb(&(0x7f00000002c0), 0x0, 0x0) r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000200), r1) sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f0000000200)={0x0, 0x2000, &(0x7f00000001c0)={&(0x7f0000000140)={0x1c, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x1c}}, 0x0) 08:01:55 executing program 2: r0 = openat$ptmx(0xffffffffffffff9c, &(0x7f0000000040), 0x0, 0x0) ioctl$TIOCSISO7816(r0, 0xc0285443, &(0x7f0000000000)={0x6, 0x3, 0x6, 0x6, 0x6}) r1 = syz_open_dev$ttys(0xc, 0x2, 0x1) ioctl$TCSETSW(r1, 0x5403, &(0x7f0000000540)={0x0, 0x0, 0xffffffff, 0x9, 0x0, "baf26a10e07ba77f1de09b779f3357c9c5a583"}) (async) ioctl$TIOCL_BLANKSCREEN(r1, 0x541c, &(0x7f0000000080)) (async) ioctl$TIOCGPTPEER(r0, 0x5441, 0xdbb8) 08:01:55 executing program 0: r0 = semget$private(0x0, 0x2, 0x0) semctl$GETNCNT(r0, 0x2, 0xe, 0x0) semctl$IPC_STAT(r0, 0x0, 0x2, &(0x7f0000000000)) r1 = syz_open_dev$ndb(&(0x7f00000002c0), 0x0, 0x0) ioctl$NBD_SET_SOCK(r1, 0x5452, 0xffffffffffffffff) 08:01:55 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000200), r1) sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f0000000200)={0x0, 0x2000, &(0x7f00000001c0)={&(0x7f0000000140)={0x1c, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x1c}}, 0x0) [ 1277.811572] block nbd4: not configured, cannot reconfigure [ 1277.847903] block nbd3: not configured, cannot reconfigure 08:01:55 executing program 5: r0 = syz_open_dev$ndb(&(0x7f00000002c0), 0x0, 0x0) ioctl$NBD_SET_SOCK(r0, 0x5421, 0xffffffffffffffff) (async) r1 = syz_open_dev$tty20(0xc, 0x4, 0x0) ioctl$TIOCL_UNBLANKSCREEN(r1, 0x541c, &(0x7f00000000c0)) (async) r2 = syz_open_dev$tty20(0xc, 0x4, 0x1) ioctl$TIOCL_BLANKSCREEN(r2, 0x541c, &(0x7f0000000180)) (async) r3 = syz_genetlink_get_family_id$batadv(&(0x7f0000000040), 0xffffffffffffffff) sendmsg$BATADV_CMD_GET_TRANSTABLE_GLOBAL(0xffffffffffffffff, &(0x7f0000000100)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x2000000}, 0xc, &(0x7f00000000c0)={&(0x7f0000000140)=ANY=[@ANYBLOB="1c000000", @ANYRES16=r3, @ANYBLOB="200228bd7000fedbdf0100010000000038000100f98c819cffa79e7b7e8f3a0355f73028694159af30e2"], 0x1c}, 0x1, 0x0, 0x0, 0x4000090}, 0x800) 08:01:55 executing program 4: r0 = syz_open_dev$ndb(&(0x7f00000002c0), 0x0, 0x0) ioctl$NBD_SET_SOCK(r0, 0x5421, 0xffffffffffffffff) r1 = syz_open_dev$tty20(0xc, 0x4, 0x0) ioctl$TIOCL_UNBLANKSCREEN(r1, 0x541c, &(0x7f00000000c0)) r2 = syz_open_dev$tty20(0xc, 0x4, 0x1) ioctl$TIOCL_BLANKSCREEN(r2, 0x541c, &(0x7f0000000180)) r3 = syz_genetlink_get_family_id$batadv(&(0x7f0000000040), 0xffffffffffffffff) sendmsg$BATADV_CMD_GET_TRANSTABLE_GLOBAL(0xffffffffffffffff, &(0x7f0000000100)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x2000000}, 0xc, &(0x7f00000000c0)={&(0x7f0000000140)=ANY=[@ANYBLOB="1c000000", @ANYRES16=r3, @ANYBLOB="200228bd7000fedbdf0100010000000038000100f98c819cffa79e7b7e8f3a0355f73028694159af30e2"], 0x1c}, 0x1, 0x0, 0x0, 0x4000090}, 0x800) 08:01:55 executing program 1: syz_open_dev$ndb(&(0x7f00000002c0), 0x0, 0x0) r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000200), r1) sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f0000000200)={0x0, 0x4800, &(0x7f00000001c0)={&(0x7f0000000140)={0x1c, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x1c}}, 0x0) 08:01:55 executing program 2: r0 = openat$ptmx(0xffffffffffffff9c, &(0x7f0000000040), 0x0, 0x0) ioctl$TIOCSISO7816(r0, 0xc0285443, &(0x7f0000000000)={0x6, 0x3, 0x6, 0x6, 0x6}) (async) r1 = syz_open_dev$ttys(0xc, 0x2, 0x1) ioctl$TCSETSW(r1, 0x5403, &(0x7f0000000540)={0x0, 0x0, 0xffffffff, 0x9, 0x0, "baf26a10e07ba77f1de09b779f3357c9c5a583"}) (async) ioctl$TIOCL_BLANKSCREEN(r1, 0x541c, &(0x7f0000000080)) ioctl$TIOCGPTPEER(r0, 0x5441, 0xdbb8) 08:01:55 executing program 0: r0 = semget$private(0x0, 0x2, 0x0) semctl$GETNCNT(r0, 0x2, 0xe, 0x0) (async) semctl$IPC_STAT(r0, 0x0, 0x2, &(0x7f0000000000)) (async, rerun: 64) r1 = syz_open_dev$ndb(&(0x7f00000002c0), 0x0, 0x0) (rerun: 64) ioctl$NBD_SET_SOCK(r1, 0x5452, 0xffffffffffffffff) [ 1277.916984] block nbd1: not configured, cannot reconfigure [ 1277.953127] block nbd3: not configured, cannot reconfigure 08:01:55 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000200), r1) sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f0000000200)={0x0, 0x4800, &(0x7f00000001c0)={&(0x7f0000000140)={0x1c, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x1c}}, 0x0) 08:01:55 executing program 1: syz_open_dev$ndb(&(0x7f00000002c0), 0x0, 0x0) r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000200), r1) sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f0000000200)={0x0, 0x4c00, &(0x7f00000001c0)={&(0x7f0000000140)={0x1c, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x1c}}, 0x0) 08:01:55 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000200), r1) sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f0000000200)={0x0, 0x4c00, &(0x7f00000001c0)={&(0x7f0000000140)={0x1c, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x1c}}, 0x0) [ 1278.001649] block nbd1: not configured, cannot reconfigure [ 1278.029876] block nbd3: not configured, cannot reconfigure 08:01:55 executing program 5: r0 = syz_open_dev$ndb(&(0x7f00000002c0), 0x0, 0x0) ioctl$NBD_SET_SOCK(r0, 0x5421, 0xffffffffffffffff) (async) r1 = syz_open_dev$tty20(0xc, 0x4, 0x0) ioctl$TIOCL_UNBLANKSCREEN(r1, 0x541c, &(0x7f00000000c0)) (async) r2 = syz_open_dev$tty20(0xc, 0x4, 0x1) ioctl$TIOCL_BLANKSCREEN(r2, 0x541c, &(0x7f0000000180)) (async) r3 = syz_genetlink_get_family_id$batadv(&(0x7f0000000040), 0xffffffffffffffff) sendmsg$BATADV_CMD_GET_TRANSTABLE_GLOBAL(0xffffffffffffffff, &(0x7f0000000100)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x2000000}, 0xc, &(0x7f00000000c0)={&(0x7f0000000140)=ANY=[@ANYBLOB="1c000000", @ANYRES16=r3, @ANYBLOB="200228bd7000fedbdf0100010000000038000100f98c819cffa79e7b7e8f3a0355f73028694159af30e2"], 0x1c}, 0x1, 0x0, 0x0, 0x4000090}, 0x800) 08:01:55 executing program 0: r0 = semget$private(0x0, 0x2, 0x0) semctl$GETNCNT(r0, 0x2, 0xe, 0x0) (async) semctl$IPC_STAT(r0, 0x0, 0x2, &(0x7f0000000000)) r1 = syz_open_dev$ndb(&(0x7f00000002c0), 0x0, 0x0) ioctl$NBD_SET_SOCK(r1, 0x5452, 0xffffffffffffffff) 08:01:55 executing program 2: openat$vhost_vsock(0xffffffffffffff9c, &(0x7f0000000000), 0x2, 0x0) r0 = openat$tun(0xffffffffffffff9c, &(0x7f0000000080), 0x880, 0x0) r1 = open(&(0x7f0000000100)='./file0\x00', 0x2040, 0x20) ioctl$TUNSETVNETBE(r1, 0x400454de, &(0x7f0000000140)=0x1) ioctl$TUNSETTXFILTER(r0, 0x400454d1, &(0x7f00000000c0)={0x1, 0x2, [@random="203b58da24c7", @link_local={0x1, 0x80, 0xc2, 0x0, 0x0, 0x1}]}) r2 = openat$ptmx(0xffffffffffffff9c, &(0x7f0000000040), 0x0, 0x0) ioctl$TIOCGPTPEER(r2, 0x5441, 0xdbb8) 08:01:55 executing program 4: r0 = openat$ptmx(0xffffffffffffff9c, &(0x7f0000000040), 0x0, 0x0) ioctl$TIOCSISO7816(r0, 0xc0285443, &(0x7f0000000000)={0x6, 0x3, 0x6, 0x6, 0x6}) r1 = syz_open_dev$ttys(0xc, 0x2, 0x1) ioctl$TCSETSW(r1, 0x5403, &(0x7f0000000540)={0x0, 0x0, 0xffffffff, 0x9, 0x0, "baf26a10e07ba77f1de09b779f3357c9c5a583"}) ioctl$TIOCL_BLANKSCREEN(r1, 0x541c, &(0x7f0000000080)) ioctl$TIOCGPTPEER(r0, 0x5441, 0xdbb8) [ 1278.070889] block nbd1: not configured, cannot reconfigure 08:01:55 executing program 1: syz_open_dev$ndb(&(0x7f00000002c0), 0x0, 0x0) r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000200), r1) sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f0000000200)={0x0, 0x6000, &(0x7f00000001c0)={&(0x7f0000000140)={0x1c, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x1c}}, 0x0) 08:01:55 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000200), r1) sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f0000000200)={0x0, 0x6000, &(0x7f00000001c0)={&(0x7f0000000140)={0x1c, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x1c}}, 0x0) 08:01:55 executing program 0: r0 = syz_open_dev$ndb(&(0x7f00000002c0), 0x0, 0x0) ioctl$NBD_SET_SOCK(r0, 0x5452, 0xffffffffffffffff) r1 = syz_open_dev$vcsn(&(0x7f0000000140), 0x1, 0x0) ioctl$MEDIA_IOC_REQUEST_ALLOC(r1, 0x80047c05, &(0x7f0000000180)) ioctl$NBD_SET_BLKSIZE(r1, 0xab01, 0x9) [ 1278.130394] block nbd3: not configured, cannot reconfigure 08:01:55 executing program 4: syz_open_dev$ndb(&(0x7f00000002c0), 0x0, 0x0) r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000200), r1) sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f0000000200)={0x0, 0xf00, &(0x7f00000001c0)={&(0x7f0000000140)={0x1c, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x1c}}, 0x0) 08:01:55 executing program 5: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x510100) r1 = syz_open_dev$vcsn(&(0x7f0000000140), 0x1, 0x0) ioctl$MEDIA_IOC_REQUEST_ALLOC(r1, 0x80047c05, &(0x7f0000000180)) ioctl$NBD_CLEAR_SOCK(r1, 0xab04) ioctl$NBD_SET_SOCK(r0, 0x5421, 0xffffffffffffffff) 08:01:55 executing program 2: openat$vhost_vsock(0xffffffffffffff9c, &(0x7f0000000000), 0x2, 0x0) r0 = openat$tun(0xffffffffffffff9c, &(0x7f0000000080), 0x880, 0x0) (async) r1 = open(&(0x7f0000000100)='./file0\x00', 0x2040, 0x20) ioctl$TUNSETVNETBE(r1, 0x400454de, &(0x7f0000000140)=0x1) (async) ioctl$TUNSETTXFILTER(r0, 0x400454d1, &(0x7f00000000c0)={0x1, 0x2, [@random="203b58da24c7", @link_local={0x1, 0x80, 0xc2, 0x0, 0x0, 0x1}]}) (async) r2 = openat$ptmx(0xffffffffffffff9c, &(0x7f0000000040), 0x0, 0x0) ioctl$TIOCGPTPEER(r2, 0x5441, 0xdbb8) [ 1278.206822] block nbd1: not configured, cannot reconfigure 08:01:55 executing program 1: syz_open_dev$ndb(&(0x7f00000002c0), 0x0, 0x0) r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000200), r1) sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f0000000200)={0x0, 0x6800, &(0x7f00000001c0)={&(0x7f0000000140)={0x1c, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x1c}}, 0x0) 08:01:55 executing program 0: r0 = syz_open_dev$ndb(&(0x7f00000002c0), 0x0, 0x0) ioctl$NBD_SET_SOCK(r0, 0x5452, 0xffffffffffffffff) r1 = syz_open_dev$vcsn(&(0x7f0000000140), 0x1, 0x0) ioctl$MEDIA_IOC_REQUEST_ALLOC(r1, 0x80047c05, &(0x7f0000000180)) ioctl$NBD_SET_BLKSIZE(r1, 0xab01, 0x9) 08:01:55 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000200), r1) sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f0000000200)={0x0, 0x6800, &(0x7f00000001c0)={&(0x7f0000000140)={0x1c, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x1c}}, 0x0) 08:01:55 executing program 2: openat$vhost_vsock(0xffffffffffffff9c, &(0x7f0000000000), 0x2, 0x0) (async) r0 = openat$tun(0xffffffffffffff9c, &(0x7f0000000080), 0x880, 0x0) (async, rerun: 64) r1 = open(&(0x7f0000000100)='./file0\x00', 0x2040, 0x20) (rerun: 64) ioctl$TUNSETVNETBE(r1, 0x400454de, &(0x7f0000000140)=0x1) (async) ioctl$TUNSETTXFILTER(r0, 0x400454d1, &(0x7f00000000c0)={0x1, 0x2, [@random="203b58da24c7", @link_local={0x1, 0x80, 0xc2, 0x0, 0x0, 0x1}]}) (async) r2 = openat$ptmx(0xffffffffffffff9c, &(0x7f0000000040), 0x0, 0x0) ioctl$TIOCGPTPEER(r2, 0x5441, 0xdbb8) [ 1278.254782] block nbd3: not configured, cannot reconfigure [ 1278.287897] block nbd4: not configured, cannot reconfigure 08:01:55 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000200), r1) sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f0000000200)={0x0, 0x6000, &(0x7f00000001c0)={&(0x7f0000000140)={0x1c, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x1c}}, 0x0) 08:01:55 executing program 5: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x510100) r1 = syz_open_dev$vcsn(&(0x7f0000000140), 0x1, 0x0) ioctl$MEDIA_IOC_REQUEST_ALLOC(r1, 0x80047c05, &(0x7f0000000180)) ioctl$NBD_CLEAR_SOCK(r1, 0xab04) (async) ioctl$NBD_SET_SOCK(r0, 0x5421, 0xffffffffffffffff) 08:01:55 executing program 1: syz_open_dev$ndb(&(0x7f00000002c0), 0x0, 0x0) r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000200), r1) sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f0000000200)={0x0, 0x6c00, &(0x7f00000001c0)={&(0x7f0000000140)={0x1c, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x1c}}, 0x0) [ 1278.318499] block nbd1: not configured, cannot reconfigure 08:01:55 executing program 0: r0 = syz_open_dev$ndb(&(0x7f00000002c0), 0x0, 0x0) ioctl$NBD_SET_SOCK(r0, 0x5452, 0xffffffffffffffff) (async) r1 = syz_open_dev$vcsn(&(0x7f0000000140), 0x1, 0x0) ioctl$MEDIA_IOC_REQUEST_ALLOC(r1, 0x80047c05, &(0x7f0000000180)) ioctl$NBD_SET_BLKSIZE(r1, 0xab01, 0x9) 08:01:55 executing program 5: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x510100) r1 = syz_open_dev$vcsn(&(0x7f0000000140), 0x1, 0x0) ioctl$MEDIA_IOC_REQUEST_ALLOC(r1, 0x80047c05, &(0x7f0000000180)) ioctl$NBD_CLEAR_SOCK(r1, 0xab04) ioctl$NBD_SET_SOCK(r0, 0x5421, 0xffffffffffffffff) syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x510100) (async) syz_open_dev$vcsn(&(0x7f0000000140), 0x1, 0x0) (async) ioctl$MEDIA_IOC_REQUEST_ALLOC(r1, 0x80047c05, &(0x7f0000000180)) (async) ioctl$NBD_CLEAR_SOCK(r1, 0xab04) (async) ioctl$NBD_SET_SOCK(r0, 0x5421, 0xffffffffffffffff) (async) 08:01:56 executing program 4: openat$vhost_vsock(0xffffffffffffff9c, &(0x7f0000000000), 0x2, 0x0) r0 = openat$tun(0xffffffffffffff9c, &(0x7f0000000080), 0x880, 0x0) r1 = open(&(0x7f0000000100)='./file0\x00', 0x2040, 0x20) ioctl$TUNSETVNETBE(r1, 0x400454de, &(0x7f0000000140)=0x1) ioctl$TUNSETTXFILTER(r0, 0x400454d1, &(0x7f00000000c0)={0x1, 0x2, [@random="203b58da24c7", @link_local={0x1, 0x80, 0xc2, 0x0, 0x0, 0x1}]}) r2 = openat$ptmx(0xffffffffffffff9c, &(0x7f0000000040), 0x0, 0x0) ioctl$TIOCGPTPEER(r2, 0x5441, 0xdbb8) 08:01:56 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000200), r1) sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f0000000200)={0x0, 0x6c00, &(0x7f00000001c0)={&(0x7f0000000140)={0x1c, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x1c}}, 0x0) [ 1278.385489] block nbd3: not configured, cannot reconfigure [ 1278.413142] block nbd4: not configured, cannot reconfigure [ 1278.427554] block nbd1: not configured, cannot reconfigure 08:01:56 executing program 2: r0 = openat$ptmx(0xffffffffffffff9c, &(0x7f0000000040), 0xd0042, 0x0) ioctl$TIOCGPTPEER(r0, 0x5441, 0xdbb8) r1 = syz_open_dev$ttys(0xc, 0x2, 0x1) ioctl$TCSETSW(r1, 0x5403, &(0x7f0000000540)={0x0, 0x0, 0xffffffff, 0x9, 0x0, "baf26a10e07ba77f1de09b779f3357c9c5a583"}) 08:01:56 executing program 1: syz_open_dev$ndb(&(0x7f00000002c0), 0x0, 0x0) r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000200), r1) sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f0000000200)={0x0, 0x7400, &(0x7f00000001c0)={&(0x7f0000000140)={0x1c, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x1c}}, 0x0) 08:01:56 executing program 0: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) ioctl$NBD_SET_SOCK(r0, 0x5452, 0xffffffffffffffff) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_STATUS(r1, &(0x7f0000000140)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x10}, 0xc, &(0x7f0000000100)={&(0x7f0000000080)={0x74, 0x0, 0x8, 0x70bd2a, 0x25dfdbfc, {}, [@NBD_ATTR_TIMEOUT={0xc, 0x4, 0x4}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0xfffffffffffffffe}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0xfffffffffffffffb}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x5}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x10001}]}, 0x74}, 0x1, 0x0, 0x0, 0xa040080}, 0x20044840) sendmsg$BATADV_CMD_GET_ORIGINATORS(0xffffffffffffffff, &(0x7f0000000240)={&(0x7f0000000180)={0x10, 0x0, 0x0, 0x80000000}, 0xc, &(0x7f0000000200)={&(0x7f00000001c0)={0x34, 0x0, 0x400, 0x70bd26, 0x25dfdbff, {}, [@BATADV_ATTR_MULTICAST_FANOUT={0x8, 0x3c, 0x5}, @BATADV_ATTR_MESH_IFINDEX={0x8}, @BATADV_ATTR_VLANID={0x6, 0x28, 0x2}, @BATADV_ATTR_VLANID={0x6, 0x28, 0x1}]}, 0x34}, 0x1, 0x0, 0x0, 0x80}, 0x4040011) 08:01:56 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000200), r1) sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f0000000200)={0x0, 0x7400, &(0x7f00000001c0)={&(0x7f0000000140)={0x1c, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x1c}}, 0x0) 08:01:56 executing program 5: r0 = syz_open_dev$vcsn(&(0x7f0000000140), 0x1, 0x0) ioctl$MEDIA_IOC_REQUEST_ALLOC(r0, 0x80047c05, &(0x7f0000000180)) r1 = socket(0x8, 0x0, 0x0) ioctl$SECCOMP_IOCTL_NOTIF_ADDFD(r0, 0x40182103, &(0x7f0000000000)={0x0, 0x2, r1, 0x10000}) r2 = syz_open_dev$vcsn(&(0x7f0000000140), 0x1, 0x0) ioctl$MEDIA_IOC_REQUEST_ALLOC(r2, 0x80047c05, &(0x7f0000000180)) ioctl$NBD_SET_BLKSIZE(r2, 0xab01, 0x3000000000000) r3 = syz_open_dev$ndb(&(0x7f00000002c0), 0x0, 0x0) ioctl$NBD_SET_SOCK(r3, 0x5421, 0xffffffffffffffff) [ 1278.512147] block nbd3: not configured, cannot reconfigure 08:01:56 executing program 4: syz_open_dev$ndb(&(0x7f00000002c0), 0x0, 0x0) r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000200), r1) sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f0000000200)={0x0, 0x6c00, &(0x7f00000001c0)={&(0x7f0000000140)={0x1c, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x1c}}, 0x0) 08:01:56 executing program 2: r0 = openat$ptmx(0xffffffffffffff9c, &(0x7f0000000040), 0xd0042, 0x0) ioctl$TIOCGPTPEER(r0, 0x5441, 0xdbb8) (async) r1 = syz_open_dev$ttys(0xc, 0x2, 0x1) ioctl$TCSETSW(r1, 0x5403, &(0x7f0000000540)={0x0, 0x0, 0xffffffff, 0x9, 0x0, "baf26a10e07ba77f1de09b779f3357c9c5a583"}) 08:01:56 executing program 0: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) ioctl$NBD_SET_SOCK(r0, 0x5452, 0xffffffffffffffff) (async) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_STATUS(r1, &(0x7f0000000140)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x10}, 0xc, &(0x7f0000000100)={&(0x7f0000000080)={0x74, 0x0, 0x8, 0x70bd2a, 0x25dfdbfc, {}, [@NBD_ATTR_TIMEOUT={0xc, 0x4, 0x4}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0xfffffffffffffffe}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0xfffffffffffffffb}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x5}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x10001}]}, 0x74}, 0x1, 0x0, 0x0, 0xa040080}, 0x20044840) (async) sendmsg$BATADV_CMD_GET_ORIGINATORS(0xffffffffffffffff, &(0x7f0000000240)={&(0x7f0000000180)={0x10, 0x0, 0x0, 0x80000000}, 0xc, &(0x7f0000000200)={&(0x7f00000001c0)={0x34, 0x0, 0x400, 0x70bd26, 0x25dfdbff, {}, [@BATADV_ATTR_MULTICAST_FANOUT={0x8, 0x3c, 0x5}, @BATADV_ATTR_MESH_IFINDEX={0x8}, @BATADV_ATTR_VLANID={0x6, 0x28, 0x2}, @BATADV_ATTR_VLANID={0x6, 0x28, 0x1}]}, 0x34}, 0x1, 0x0, 0x0, 0x80}, 0x4040011) [ 1278.586633] block nbd1: not configured, cannot reconfigure 08:01:56 executing program 1: syz_open_dev$ndb(&(0x7f00000002c0), 0x0, 0x0) r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000200), r1) sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f0000000200)={0x0, 0x7a00, &(0x7f00000001c0)={&(0x7f0000000140)={0x1c, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x1c}}, 0x0) 08:01:56 executing program 5: r0 = syz_open_dev$vcsn(&(0x7f0000000140), 0x1, 0x0) ioctl$MEDIA_IOC_REQUEST_ALLOC(r0, 0x80047c05, &(0x7f0000000180)) (async) r1 = socket(0x8, 0x0, 0x0) ioctl$SECCOMP_IOCTL_NOTIF_ADDFD(r0, 0x40182103, &(0x7f0000000000)={0x0, 0x2, r1, 0x10000}) (async) r2 = syz_open_dev$vcsn(&(0x7f0000000140), 0x1, 0x0) ioctl$MEDIA_IOC_REQUEST_ALLOC(r2, 0x80047c05, &(0x7f0000000180)) ioctl$NBD_SET_BLKSIZE(r2, 0xab01, 0x3000000000000) (async) r3 = syz_open_dev$ndb(&(0x7f00000002c0), 0x0, 0x0) ioctl$NBD_SET_SOCK(r3, 0x5421, 0xffffffffffffffff) [ 1278.628951] block nbd4: not configured, cannot reconfigure [ 1278.641119] block nbd3: not configured, cannot reconfigure 08:01:56 executing program 2: r0 = openat$ptmx(0xffffffffffffff9c, &(0x7f0000000040), 0xd0042, 0x0) ioctl$TIOCGPTPEER(r0, 0x5441, 0xdbb8) (async, rerun: 64) r1 = syz_open_dev$ttys(0xc, 0x2, 0x1) (rerun: 64) ioctl$TCSETSW(r1, 0x5403, &(0x7f0000000540)={0x0, 0x0, 0xffffffff, 0x9, 0x0, "baf26a10e07ba77f1de09b779f3357c9c5a583"}) 08:01:56 executing program 4: syz_open_dev$ndb(&(0x7f00000002c0), 0x0, 0x0) r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000200), r1) sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f0000000200)={0x0, 0x0, &(0x7f00000001c0)={&(0x7f0000000140)={0x14, r2, 0x1}, 0x14}, 0x1, 0x0, 0x0, 0x8}, 0x20000000) 08:01:56 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000200), r1) sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f0000000200)={0x0, 0x7a00, &(0x7f00000001c0)={&(0x7f0000000140)={0x1c, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x1c}}, 0x0) 08:01:56 executing program 0: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) ioctl$NBD_SET_SOCK(r0, 0x5452, 0xffffffffffffffff) (async) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_STATUS(r1, &(0x7f0000000140)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x10}, 0xc, &(0x7f0000000100)={&(0x7f0000000080)={0x74, 0x0, 0x8, 0x70bd2a, 0x25dfdbfc, {}, [@NBD_ATTR_TIMEOUT={0xc, 0x4, 0x4}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0xfffffffffffffffe}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0xfffffffffffffffb}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x5}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x10001}]}, 0x74}, 0x1, 0x0, 0x0, 0xa040080}, 0x20044840) (async) sendmsg$BATADV_CMD_GET_ORIGINATORS(0xffffffffffffffff, &(0x7f0000000240)={&(0x7f0000000180)={0x10, 0x0, 0x0, 0x80000000}, 0xc, &(0x7f0000000200)={&(0x7f00000001c0)={0x34, 0x0, 0x400, 0x70bd26, 0x25dfdbff, {}, [@BATADV_ATTR_MULTICAST_FANOUT={0x8, 0x3c, 0x5}, @BATADV_ATTR_MESH_IFINDEX={0x8}, @BATADV_ATTR_VLANID={0x6, 0x28, 0x2}, @BATADV_ATTR_VLANID={0x6, 0x28, 0x1}]}, 0x34}, 0x1, 0x0, 0x0, 0x80}, 0x4040011) [ 1278.697013] block nbd1: not configured, cannot reconfigure 08:01:56 executing program 1: syz_open_dev$ndb(&(0x7f00000002c0), 0x0, 0x0) r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000200), r1) sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f0000000200)={0x0, 0xf000, &(0x7f00000001c0)={&(0x7f0000000140)={0x1c, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x1c}}, 0x0) 08:01:56 executing program 5: r0 = syz_open_dev$vcsn(&(0x7f0000000140), 0x1, 0x0) ioctl$MEDIA_IOC_REQUEST_ALLOC(r0, 0x80047c05, &(0x7f0000000180)) socket(0x8, 0x0, 0x0) (async) r1 = socket(0x8, 0x0, 0x0) ioctl$SECCOMP_IOCTL_NOTIF_ADDFD(r0, 0x40182103, &(0x7f0000000000)={0x0, 0x2, r1, 0x10000}) syz_open_dev$vcsn(&(0x7f0000000140), 0x1, 0x0) (async) r2 = syz_open_dev$vcsn(&(0x7f0000000140), 0x1, 0x0) ioctl$MEDIA_IOC_REQUEST_ALLOC(r2, 0x80047c05, &(0x7f0000000180)) (async) ioctl$MEDIA_IOC_REQUEST_ALLOC(r2, 0x80047c05, &(0x7f0000000180)) ioctl$NBD_SET_BLKSIZE(r2, 0xab01, 0x3000000000000) r3 = syz_open_dev$ndb(&(0x7f00000002c0), 0x0, 0x0) ioctl$NBD_SET_SOCK(r3, 0x5421, 0xffffffffffffffff) 08:01:56 executing program 2: r0 = syz_open_dev$vcsn(&(0x7f0000000140), 0x1, 0x0) ioctl$MEDIA_IOC_REQUEST_ALLOC(r0, 0x80047c05, &(0x7f0000000180)) r1 = socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$batadv(&(0x7f0000000480), 0xffffffffffffffff) sendmsg$BATADV_CMD_TP_METER_CANCEL(r1, &(0x7f0000000580)={0x0, 0x0, &(0x7f0000000540)={&(0x7f00000004c0)={0x14, r2, 0x1}, 0x14}}, 0x0) sendmsg$BATADV_CMD_GET_GATEWAYS(r0, &(0x7f0000000100)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x2000000}, 0xc, &(0x7f00000000c0)={&(0x7f0000000080)={0x24, r2, 0x800, 0x70bd2d, 0x25dfdbfb, {}, [@BATADV_ATTR_THROUGHPUT_OVERRIDE={0x8, 0x3b, 0xffff}, @BATADV_ATTR_AGGREGATED_OGMS_ENABLED={0x5}]}, 0x24}, 0x1, 0x0, 0x0, 0x1}, 0x4054) r3 = openat$ptmx(0xffffffffffffff9c, &(0x7f00000001c0), 0x400403, 0x0) ioctl$TIOCGPTPEER(r3, 0x5441, 0xdbb8) ioctl$KDSETMODE(r3, 0x4b3a, 0x1) [ 1278.743768] nbd: must specify a device to reconfigure [ 1278.763351] block nbd3: not configured, cannot reconfigure 08:01:56 executing program 4: r0 = syz_open_dev$ndb(&(0x7f00000002c0), 0x0, 0x18000) r1 = syz_open_dev$vcsn(&(0x7f0000000140), 0x1, 0x0) ioctl$MEDIA_IOC_REQUEST_ALLOC(r1, 0x80047c05, &(0x7f0000000180)) ioctl$NBD_CLEAR_SOCK(r0, 0xab04) ioctl$NBD_SET_SOCK(r0, 0x5421, r1) 08:01:56 executing program 0: r0 = syz_open_dev$ndb(&(0x7f00000002c0), 0x0, 0x100) ioctl$NBD_SET_SOCK(r0, 0x5452, 0xffffffffffffffff) r1 = open(&(0x7f0000000000)='./file0\x00', 0x10000, 0x1) sendmsg$BATADV_CMD_TP_METER_CANCEL(r1, &(0x7f0000000100)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x2000}, 0xc, &(0x7f00000000c0)={&(0x7f0000000080)=ANY=[@ANYBLOB="1c000000", @ANYRES16=0x0, @ANYBLOB="000125bd00198d7a018ff9b89f894b"], 0x1c}, 0x1, 0x0, 0x0, 0x80}, 0xc090) 08:01:56 executing program 5: r0 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) r1 = syz_open_dev$vcsn(&(0x7f0000000000), 0xff, 0x4000c3) ioctl$MEDIA_IOC_REQUEST_ALLOC(r1, 0x80047c05, &(0x7f0000000180)) r2 = syz_open_dev$vcsn(&(0x7f0000000140), 0x1, 0x0) ioctl$MEDIA_IOC_REQUEST_ALLOC(r2, 0x80047c05, &(0x7f0000000180)) ioctl$sock_bt_cmtp_CMTPCONNADD(r2, 0x400443c8, &(0x7f0000000080)={r1, 0x10001}) ioctl$NBD_CLEAR_QUE(r1, 0xab05) ioctl$NBD_SET_SOCK(r0, 0x5421, 0xffffffffffffffff) 08:01:56 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000200), r1) sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f0000000200)={0x0, 0xf000, &(0x7f00000001c0)={&(0x7f0000000140)={0x1c, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x1c}}, 0x0) 08:01:56 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000200), r1) sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f0000000200)={0x0, 0x60, &(0x7f00000001c0)={&(0x7f0000000140)={0x1c, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x1c}}, 0x0) 08:01:56 executing program 1: syz_open_dev$ndb(&(0x7f00000002c0), 0x0, 0x0) r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000200), r1) sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f0000000200)={0x0, 0x30000, &(0x7f00000001c0)={&(0x7f0000000140)={0x1c, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x1c}}, 0x0) [ 1278.868595] block nbd1: not configured, cannot reconfigure 08:01:56 executing program 2: r0 = syz_open_dev$vcsn(&(0x7f0000000140), 0x1, 0x0) ioctl$MEDIA_IOC_REQUEST_ALLOC(r0, 0x80047c05, &(0x7f0000000180)) r1 = socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$batadv(&(0x7f0000000480), 0xffffffffffffffff) sendmsg$BATADV_CMD_TP_METER_CANCEL(r1, &(0x7f0000000580)={0x0, 0x0, &(0x7f0000000540)={&(0x7f00000004c0)={0x14, r2, 0x1}, 0x14}}, 0x0) sendmsg$BATADV_CMD_GET_GATEWAYS(r0, &(0x7f0000000100)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x2000000}, 0xc, &(0x7f00000000c0)={&(0x7f0000000080)={0x24, r2, 0x800, 0x70bd2d, 0x25dfdbfb, {}, [@BATADV_ATTR_THROUGHPUT_OVERRIDE={0x8, 0x3b, 0xffff}, @BATADV_ATTR_AGGREGATED_OGMS_ENABLED={0x5}]}, 0x24}, 0x1, 0x0, 0x0, 0x1}, 0x4054) r3 = openat$ptmx(0xffffffffffffff9c, &(0x7f00000001c0), 0x400403, 0x0) ioctl$TIOCGPTPEER(r3, 0x5441, 0xdbb8) ioctl$KDSETMODE(r3, 0x4b3a, 0x1) syz_open_dev$vcsn(&(0x7f0000000140), 0x1, 0x0) (async) ioctl$MEDIA_IOC_REQUEST_ALLOC(r0, 0x80047c05, &(0x7f0000000180)) (async) socket$nl_generic(0x10, 0x3, 0x10) (async) syz_genetlink_get_family_id$batadv(&(0x7f0000000480), 0xffffffffffffffff) (async) sendmsg$BATADV_CMD_TP_METER_CANCEL(r1, &(0x7f0000000580)={0x0, 0x0, &(0x7f0000000540)={&(0x7f00000004c0)={0x14, r2, 0x1}, 0x14}}, 0x0) (async) sendmsg$BATADV_CMD_GET_GATEWAYS(r0, &(0x7f0000000100)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x2000000}, 0xc, &(0x7f00000000c0)={&(0x7f0000000080)={0x24, r2, 0x800, 0x70bd2d, 0x25dfdbfb, {}, [@BATADV_ATTR_THROUGHPUT_OVERRIDE={0x8, 0x3b, 0xffff}, @BATADV_ATTR_AGGREGATED_OGMS_ENABLED={0x5}]}, 0x24}, 0x1, 0x0, 0x0, 0x1}, 0x4054) (async) openat$ptmx(0xffffffffffffff9c, &(0x7f00000001c0), 0x400403, 0x0) (async) ioctl$TIOCGPTPEER(r3, 0x5441, 0xdbb8) (async) ioctl$KDSETMODE(r3, 0x4b3a, 0x1) (async) 08:01:56 executing program 0: syz_open_dev$ndb(&(0x7f00000002c0), 0x0, 0x100) (async) r0 = syz_open_dev$ndb(&(0x7f00000002c0), 0x0, 0x100) ioctl$NBD_SET_SOCK(r0, 0x5452, 0xffffffffffffffff) r1 = open(&(0x7f0000000000)='./file0\x00', 0x10000, 0x1) sendmsg$BATADV_CMD_TP_METER_CANCEL(r1, &(0x7f0000000100)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x2000}, 0xc, &(0x7f00000000c0)={&(0x7f0000000080)=ANY=[@ANYBLOB="1c000000", @ANYRES16=0x0, @ANYBLOB="000125bd00198d7a018ff9b89f894b"], 0x1c}, 0x1, 0x0, 0x0, 0x80}, 0xc090) 08:01:56 executing program 5: r0 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) r1 = syz_open_dev$vcsn(&(0x7f0000000000), 0xff, 0x4000c3) ioctl$MEDIA_IOC_REQUEST_ALLOC(r1, 0x80047c05, &(0x7f0000000180)) (async) r2 = syz_open_dev$vcsn(&(0x7f0000000140), 0x1, 0x0) ioctl$MEDIA_IOC_REQUEST_ALLOC(r2, 0x80047c05, &(0x7f0000000180)) (async) ioctl$sock_bt_cmtp_CMTPCONNADD(r2, 0x400443c8, &(0x7f0000000080)={r1, 0x10001}) ioctl$NBD_CLEAR_QUE(r1, 0xab05) (async, rerun: 64) ioctl$NBD_SET_SOCK(r0, 0x5421, 0xffffffffffffffff) (rerun: 64) [ 1278.923535] block nbd3: not configured, cannot reconfigure 08:01:56 executing program 4: syz_open_dev$ndb(&(0x7f00000002c0), 0x0, 0x0) r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000200), r1) sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f0000000200)={0x0, 0xf000, &(0x7f00000001c0)={&(0x7f0000000140)={0x1c, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x1c}}, 0x0) 08:01:56 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000200), r1) sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f0000000200)={0x0, 0x30000, &(0x7f00000001c0)={&(0x7f0000000140)={0x1c, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x1c}}, 0x0) 08:01:56 executing program 0: r0 = syz_open_dev$ndb(&(0x7f00000002c0), 0x0, 0x100) ioctl$NBD_SET_SOCK(r0, 0x5452, 0xffffffffffffffff) (async) r1 = open(&(0x7f0000000000)='./file0\x00', 0x10000, 0x1) sendmsg$BATADV_CMD_TP_METER_CANCEL(r1, &(0x7f0000000100)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x2000}, 0xc, &(0x7f00000000c0)={&(0x7f0000000080)=ANY=[@ANYBLOB="1c000000", @ANYRES16=0x0, @ANYBLOB="000125bd00198d7a018ff9b89f894b"], 0x1c}, 0x1, 0x0, 0x0, 0x80}, 0xc090) 08:01:56 executing program 1: syz_open_dev$ndb(&(0x7f00000002c0), 0x0, 0x0) r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000200), r1) sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f0000000200)={0x0, 0x34000, &(0x7f00000001c0)={&(0x7f0000000140)={0x1c, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x1c}}, 0x0) [ 1278.969181] block nbd4: not configured, cannot reconfigure [ 1278.994084] block nbd1: not configured, cannot reconfigure 08:01:56 executing program 5: r0 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) (async) r1 = syz_open_dev$vcsn(&(0x7f0000000000), 0xff, 0x4000c3) ioctl$MEDIA_IOC_REQUEST_ALLOC(r1, 0x80047c05, &(0x7f0000000180)) r2 = syz_open_dev$vcsn(&(0x7f0000000140), 0x1, 0x0) ioctl$MEDIA_IOC_REQUEST_ALLOC(r2, 0x80047c05, &(0x7f0000000180)) (async) ioctl$sock_bt_cmtp_CMTPCONNADD(r2, 0x400443c8, &(0x7f0000000080)={r1, 0x10001}) (async) ioctl$NBD_CLEAR_QUE(r1, 0xab05) ioctl$NBD_SET_SOCK(r0, 0x5421, 0xffffffffffffffff) 08:01:56 executing program 2: r0 = syz_open_dev$vcsn(&(0x7f0000000140), 0x1, 0x0) ioctl$MEDIA_IOC_REQUEST_ALLOC(r0, 0x80047c05, &(0x7f0000000180)) r1 = socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$batadv(&(0x7f0000000480), 0xffffffffffffffff) sendmsg$BATADV_CMD_TP_METER_CANCEL(r1, &(0x7f0000000580)={0x0, 0x0, &(0x7f0000000540)={&(0x7f00000004c0)={0x14, r2, 0x1}, 0x14}}, 0x0) sendmsg$BATADV_CMD_GET_GATEWAYS(r0, &(0x7f0000000100)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x2000000}, 0xc, &(0x7f00000000c0)={&(0x7f0000000080)={0x24, r2, 0x800, 0x70bd2d, 0x25dfdbfb, {}, [@BATADV_ATTR_THROUGHPUT_OVERRIDE={0x8, 0x3b, 0xffff}, @BATADV_ATTR_AGGREGATED_OGMS_ENABLED={0x5}]}, 0x24}, 0x1, 0x0, 0x0, 0x1}, 0x4054) r3 = openat$ptmx(0xffffffffffffff9c, &(0x7f00000001c0), 0x400403, 0x0) ioctl$TIOCGPTPEER(r3, 0x5441, 0xdbb8) ioctl$KDSETMODE(r3, 0x4b3a, 0x1) syz_open_dev$vcsn(&(0x7f0000000140), 0x1, 0x0) (async) ioctl$MEDIA_IOC_REQUEST_ALLOC(r0, 0x80047c05, &(0x7f0000000180)) (async) socket$nl_generic(0x10, 0x3, 0x10) (async) syz_genetlink_get_family_id$batadv(&(0x7f0000000480), 0xffffffffffffffff) (async) sendmsg$BATADV_CMD_TP_METER_CANCEL(r1, &(0x7f0000000580)={0x0, 0x0, &(0x7f0000000540)={&(0x7f00000004c0)={0x14, r2, 0x1}, 0x14}}, 0x0) (async) sendmsg$BATADV_CMD_GET_GATEWAYS(r0, &(0x7f0000000100)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x2000000}, 0xc, &(0x7f00000000c0)={&(0x7f0000000080)={0x24, r2, 0x800, 0x70bd2d, 0x25dfdbfb, {}, [@BATADV_ATTR_THROUGHPUT_OVERRIDE={0x8, 0x3b, 0xffff}, @BATADV_ATTR_AGGREGATED_OGMS_ENABLED={0x5}]}, 0x24}, 0x1, 0x0, 0x0, 0x1}, 0x4054) (async) openat$ptmx(0xffffffffffffff9c, &(0x7f00000001c0), 0x400403, 0x0) (async) ioctl$TIOCGPTPEER(r3, 0x5441, 0xdbb8) (async) ioctl$KDSETMODE(r3, 0x4b3a, 0x1) (async) 08:01:56 executing program 0: r0 = syz_open_dev$ndb(&(0x7f00000002c0), 0x0, 0x0) ioctl$NBD_SET_SOCK(r0, 0x5452, 0xffffffffffffffff) getresgid(&(0x7f0000000000), &(0x7f0000000040), &(0x7f0000000080)) 08:01:56 executing program 1: syz_open_dev$ndb(&(0x7f00000002c0), 0x0, 0x0) r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000200), r1) sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f0000000200)={0x0, 0x400300, &(0x7f00000001c0)={&(0x7f0000000140)={0x1c, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x1c}}, 0x0) [ 1279.064427] block nbd3: not configured, cannot reconfigure [ 1279.086738] block nbd4: not configured, cannot reconfigure [ 1279.107805] block nbd1: not configured, cannot reconfigure 08:01:56 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000200), r1) sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f0000000200)={0x0, 0x34000, &(0x7f00000001c0)={&(0x7f0000000140)={0x1c, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x1c}}, 0x0) 08:01:56 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000200), r1) sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f0000000200)={0x0, 0xf000, &(0x7f00000001c0)={&(0x7f0000000140)={0x1c, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x1c}}, 0x0) 08:01:56 executing program 0: r0 = syz_open_dev$ndb(&(0x7f00000002c0), 0x0, 0x0) ioctl$NBD_SET_SOCK(r0, 0x5452, 0xffffffffffffffff) (async) getresgid(&(0x7f0000000000), &(0x7f0000000040), &(0x7f0000000080)) 08:01:56 executing program 5: r0 = syz_open_dev$ndb(&(0x7f00000002c0), 0x0, 0x0) r1 = syz_open_dev$vcsn(&(0x7f0000000140), 0x1, 0x0) ioctl$MEDIA_IOC_REQUEST_ALLOC(r1, 0x80047c05, &(0x7f0000000180)) write$khugepaged_scan(r1, &(0x7f0000000000), 0x8) ioctl$NBD_SET_SOCK(r0, 0x5421, 0xffffffffffffffff) 08:01:56 executing program 2: ioctl$VHOST_SET_VRING_KICK(0xffffffffffffffff, 0x4008af20, &(0x7f0000000100)={0x2}) r0 = gettid() ioctl$TIOCSPGRP(0xffffffffffffffff, 0x5410, &(0x7f0000000000)=r0) r1 = openat$ptmx(0xffffffffffffff9c, &(0x7f0000000040), 0x0, 0x0) ioctl$KVM_CREATE_VM(0xffffffffffffffff, 0xae01, 0x0) r2 = syz_init_net_socket$nl_rdma(0x10, 0x3, 0x10) sendmsg$BATADV_CMD_TP_METER_CANCEL(r2, &(0x7f0000001900)={&(0x7f0000001800), 0xc, 0x0}, 0x0) fstat(r2, &(0x7f0000000140)) ioctl$TIOCGPTPEER(r1, 0x5441, 0xdbb8) ioctl$NBD_CLEAR_QUE(0xffffffffffffffff, 0xab05) 08:01:56 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000200), r1) sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f0000000200)={0x0, 0x400300, &(0x7f00000001c0)={&(0x7f0000000140)={0x1c, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x1c}}, 0x0) 08:01:56 executing program 4: syz_open_dev$ndb(&(0x7f00000002c0), 0x0, 0x0) r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000200), r1) sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f0000000200)={0x0, 0x4c, &(0x7f00000001c0)={&(0x7f0000000140)={0x1c, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x1c}}, 0x0) 08:01:56 executing program 1: syz_open_dev$ndb(&(0x7f00000002c0), 0x0, 0x0) r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000200), r1) sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f0000000200)={0x0, 0xf0ffff, &(0x7f00000001c0)={&(0x7f0000000140)={0x1c, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x1c}}, 0x0) 08:01:56 executing program 5: r0 = syz_open_dev$ndb(&(0x7f00000002c0), 0x0, 0x0) r1 = syz_open_dev$vcsn(&(0x7f0000000140), 0x1, 0x0) ioctl$MEDIA_IOC_REQUEST_ALLOC(r1, 0x80047c05, &(0x7f0000000180)) (async) write$khugepaged_scan(r1, &(0x7f0000000000), 0x8) (async) ioctl$NBD_SET_SOCK(r0, 0x5421, 0xffffffffffffffff) [ 1279.192585] block nbd3: not configured, cannot reconfigure [ 1279.215595] block nbd4: not configured, cannot reconfigure [ 1279.234602] block nbd1: not configured, cannot reconfigure 08:01:56 executing program 0: r0 = syz_open_dev$ndb(&(0x7f00000002c0), 0x0, 0x0) ioctl$NBD_SET_SOCK(r0, 0x5452, 0xffffffffffffffff) (async) getresgid(&(0x7f0000000000), &(0x7f0000000040), &(0x7f0000000080)) 08:01:56 executing program 2: ioctl$VHOST_SET_VRING_KICK(0xffffffffffffffff, 0x4008af20, &(0x7f0000000100)={0x2}) (async) r0 = gettid() ioctl$TIOCSPGRP(0xffffffffffffffff, 0x5410, &(0x7f0000000000)=r0) (async) r1 = openat$ptmx(0xffffffffffffff9c, &(0x7f0000000040), 0x0, 0x0) (async, rerun: 32) ioctl$KVM_CREATE_VM(0xffffffffffffffff, 0xae01, 0x0) (async, rerun: 32) r2 = syz_init_net_socket$nl_rdma(0x10, 0x3, 0x10) sendmsg$BATADV_CMD_TP_METER_CANCEL(r2, &(0x7f0000001900)={&(0x7f0000001800), 0xc, 0x0}, 0x0) (async) fstat(r2, &(0x7f0000000140)) (async) ioctl$TIOCGPTPEER(r1, 0x5441, 0xdbb8) (async) ioctl$NBD_CLEAR_QUE(0xffffffffffffffff, 0xab05) 08:01:56 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000200), r1) sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f0000000200)={0x0, 0xf0ffff, &(0x7f00000001c0)={&(0x7f0000000140)={0x1c, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x1c}}, 0x0) [ 1279.310959] block nbd3: not configured, cannot reconfigure [ 1279.329855] block nbd4: not configured, cannot reconfigure 08:01:56 executing program 5: r0 = syz_open_dev$ndb(&(0x7f00000002c0), 0x0, 0x0) r1 = syz_open_dev$vcsn(&(0x7f0000000140), 0x1, 0x0) ioctl$MEDIA_IOC_REQUEST_ALLOC(r1, 0x80047c05, &(0x7f0000000180)) write$khugepaged_scan(r1, &(0x7f0000000000), 0x8) ioctl$NBD_SET_SOCK(r0, 0x5421, 0xffffffffffffffff) syz_open_dev$ndb(&(0x7f00000002c0), 0x0, 0x0) (async) syz_open_dev$vcsn(&(0x7f0000000140), 0x1, 0x0) (async) ioctl$MEDIA_IOC_REQUEST_ALLOC(r1, 0x80047c05, &(0x7f0000000180)) (async) write$khugepaged_scan(r1, &(0x7f0000000000), 0x8) (async) ioctl$NBD_SET_SOCK(r0, 0x5421, 0xffffffffffffffff) (async) 08:01:56 executing program 0: r0 = syz_open_dev$ndb(&(0x7f00000002c0), 0x0, 0x0) r1 = socket$bt_cmtp(0x1f, 0x3, 0x5) ioctl$sock_bt_cmtp_CMTPCONNDEL(r1, 0x400443c9, &(0x7f0000000000)={@fixed={'\xaa\xaa\xaa\xaa\xaa', 0x11}, 0xfffffff9}) ioctl$NBD_SET_SOCK(r0, 0x5452, 0xffffffffffffffff) r2 = openat$vnet(0xffffffffffffff9c, &(0x7f0000000040), 0x2, 0x0) fstat(r2, &(0x7f0000000080)) [ 1279.354403] block nbd1: not configured, cannot reconfigure 08:01:56 executing program 4: r0 = syz_open_dev$ndb(&(0x7f00000002c0), 0x0, 0x0) r1 = syz_open_dev$vcsn(&(0x7f0000000140), 0x1, 0x0) ioctl$MEDIA_IOC_REQUEST_ALLOC(r1, 0x80047c05, &(0x7f0000000180)) ioctl$NBD_SET_SOCK(r1, 0xab00, 0xffffffffffffffff) ioctl$NBD_SET_SOCK(r0, 0x5452, 0xffffffffffffffff) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r4 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r5 = syz_genetlink_get_family_id$nbd(&(0x7f0000000200), r4) sendmsg$NBD_CMD_DISCONNECT(r3, &(0x7f00000004c0)={&(0x7f00000003c0), 0xc, &(0x7f0000000480)={&(0x7f0000000400)={0x28, r5, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_BLOCK_SIZE_BYTES={0xc}, @NBD_ATTR_BACKEND_IDENTIFIER={0x5, 0xa, '^'}]}, 0x28}}, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000240)={0xffffffffffffffff}) r7 = syz_open_dev$vcsn(&(0x7f0000000140), 0x1, 0x0) ioctl$MEDIA_IOC_REQUEST_ALLOC(r7, 0x80047c05, &(0x7f0000000180)) r8 = syz_open_dev$vcsn(&(0x7f0000000140), 0x1, 0x0) ioctl$MEDIA_IOC_REQUEST_ALLOC(r8, 0x80047c05, &(0x7f0000000180)) r9 = syz_open_dev$vcsn(&(0x7f0000000140), 0x1, 0x0) ioctl$MEDIA_IOC_REQUEST_ALLOC(r9, 0x80047c05, &(0x7f0000000180)) r10 = syz_open_dev$vcsn(&(0x7f0000000140), 0x1, 0x0) ioctl$MEDIA_IOC_REQUEST_ALLOC(r10, 0x80047c05, &(0x7f0000000180)) r11 = syz_open_dev$vcsn(&(0x7f0000000140), 0x1, 0x0) ioctl$MEDIA_IOC_REQUEST_ALLOC(r11, 0x80047c05, &(0x7f0000000180)) sendmsg$NBD_CMD_DISCONNECT(r2, &(0x7f00000003c0)={&(0x7f0000000200)={0x10, 0x0, 0x0, 0x20000000}, 0xc, &(0x7f0000000280)={&(0x7f0000000300)={0x88, r5, 0x400, 0x70bd2d, 0x25dfdbfb, {}, [@NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x8729}, @NBD_ATTR_SOCKETS={0x34, 0x7, 0x0, 0x1, [{0x8, 0x1, r6}, {0x8, 0x1, r7}, {0x8, 0x1, r1}, {0x8, 0x1, r8}, {0x8, 0x1, r9}, {0x8, 0x1, r1}]}, @NBD_ATTR_SOCKETS={0x1c, 0x7, 0x0, 0x1, [{0x8, 0x1, r1}, {0x8, 0x1, r10}, {0x8, 0x1, r11}]}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x6}]}, 0x88}, 0x1, 0x0, 0x0, 0x24044080}, 0x80000) sendmsg$NBD_CMD_DISCONNECT(r2, &(0x7f00000008c0)={0x0, 0x0, &(0x7f0000000880)={0x0}}, 0x1) r12 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), 0xffffffffffffffff) sendmsg$NBD_CMD_STATUS(r2, &(0x7f00000001c0)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x4}, 0xc, &(0x7f0000000100)={&(0x7f0000000080)={0x48, r12, 0x10, 0x70bd2b, 0x25dfdbfc, {}, [@NBD_ATTR_BACKEND_IDENTIFIER={0x6, 0xa, '\x8e['}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x1}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_BACKEND_IDENTIFIER={0xe, 0xa, '/dev/nbd#\x00'}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x48}, 0x1, 0x0, 0x0, 0x20008800}, 0x80) 08:01:56 executing program 1: syz_open_dev$ndb(&(0x7f00000002c0), 0x0, 0x0) r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000200), r1) sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f0000000200)={0x0, 0x1000000, &(0x7f00000001c0)={&(0x7f0000000140)={0x1c, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x1c}}, 0x0) [ 1279.402519] block nbd3: not configured, cannot reconfigure 08:01:57 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000200), r1) sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f0000000200)={0x0, 0x1000000, &(0x7f00000001c0)={&(0x7f0000000140)={0x1c, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x1c}}, 0x0) 08:01:57 executing program 5: r0 = syz_open_dev$ndb(&(0x7f00000002c0), 0x0, 0x0) ioctl$NBD_SET_SOCK(r0, 0x5421, 0xffffffffffffffff) r1 = syz_open_dev$vcsn(&(0x7f0000000000), 0x8, 0x109000) sendmsg$RDMA_NLDEV_CMD_DELLINK(r1, &(0x7f0000000100)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x4}, 0xc, &(0x7f00000000c0)={&(0x7f0000000080)={0x18, 0x1404, 0x2, 0x70bd2c, 0x25dfdbfe, "", [@RDMA_NLDEV_ATTR_DEV_INDEX={0x8, 0x1, 0x2}]}, 0x18}}, 0x800) 08:01:57 executing program 0: r0 = syz_open_dev$ndb(&(0x7f00000002c0), 0x0, 0x0) (async) r1 = socket$bt_cmtp(0x1f, 0x3, 0x5) ioctl$sock_bt_cmtp_CMTPCONNDEL(r1, 0x400443c9, &(0x7f0000000000)={@fixed={'\xaa\xaa\xaa\xaa\xaa', 0x11}, 0xfffffff9}) (async) ioctl$NBD_SET_SOCK(r0, 0x5452, 0xffffffffffffffff) r2 = openat$vnet(0xffffffffffffff9c, &(0x7f0000000040), 0x2, 0x0) fstat(r2, &(0x7f0000000080)) [ 1279.487413] nbd: must specify an index to disconnect 08:01:57 executing program 5: r0 = syz_open_dev$ndb(&(0x7f00000002c0), 0x0, 0x0) ioctl$NBD_SET_SOCK(r0, 0x5421, 0xffffffffffffffff) r1 = syz_open_dev$vcsn(&(0x7f0000000000), 0x8, 0x109000) sendmsg$RDMA_NLDEV_CMD_DELLINK(r1, &(0x7f0000000100)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x4}, 0xc, &(0x7f00000000c0)={&(0x7f0000000080)={0x18, 0x1404, 0x2, 0x70bd2c, 0x25dfdbfe, "", [@RDMA_NLDEV_ATTR_DEV_INDEX={0x8, 0x1, 0x2}]}, 0x18}}, 0x800) syz_open_dev$ndb(&(0x7f00000002c0), 0x0, 0x0) (async) ioctl$NBD_SET_SOCK(r0, 0x5421, 0xffffffffffffffff) (async) syz_open_dev$vcsn(&(0x7f0000000000), 0x8, 0x109000) (async) sendmsg$RDMA_NLDEV_CMD_DELLINK(r1, &(0x7f0000000100)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x4}, 0xc, &(0x7f00000000c0)={&(0x7f0000000080)={0x18, 0x1404, 0x2, 0x70bd2c, 0x25dfdbfe, "", [@RDMA_NLDEV_ATTR_DEV_INDEX={0x8, 0x1, 0x2}]}, 0x18}}, 0x800) (async) 08:01:57 executing program 1: syz_open_dev$ndb(&(0x7f00000002c0), 0x0, 0x0) r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000200), r1) sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f0000000200)={0x0, 0x2000000, &(0x7f00000001c0)={&(0x7f0000000140)={0x1c, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x1c}}, 0x0) [ 1279.510064] block nbd1: not configured, cannot reconfigure [ 1279.524767] block nbd3: not configured, cannot reconfigure 08:01:57 executing program 4: syz_open_dev$ndb(&(0x7f00000002c0), 0x0, 0x0) r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000200), r1) sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f0000000200)={0x0, 0xf0ffff, &(0x7f00000001c0)={&(0x7f0000000140)={0x1c, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x1c}}, 0x0) 08:01:57 executing program 2: ioctl$VHOST_SET_VRING_KICK(0xffffffffffffffff, 0x4008af20, &(0x7f0000000100)={0x2}) r0 = gettid() ioctl$TIOCSPGRP(0xffffffffffffffff, 0x5410, &(0x7f0000000000)=r0) r1 = openat$ptmx(0xffffffffffffff9c, &(0x7f0000000040), 0x0, 0x0) ioctl$KVM_CREATE_VM(0xffffffffffffffff, 0xae01, 0x0) r2 = syz_init_net_socket$nl_rdma(0x10, 0x3, 0x10) sendmsg$BATADV_CMD_TP_METER_CANCEL(r2, &(0x7f0000001900)={&(0x7f0000001800), 0xc, 0x0}, 0x0) fstat(r2, &(0x7f0000000140)) ioctl$TIOCGPTPEER(r1, 0x5441, 0xdbb8) ioctl$NBD_CLEAR_QUE(0xffffffffffffffff, 0xab05) ioctl$VHOST_SET_VRING_KICK(0xffffffffffffffff, 0x4008af20, &(0x7f0000000100)={0x2}) (async) gettid() (async) ioctl$TIOCSPGRP(0xffffffffffffffff, 0x5410, &(0x7f0000000000)=r0) (async) openat$ptmx(0xffffffffffffff9c, &(0x7f0000000040), 0x0, 0x0) (async) ioctl$KVM_CREATE_VM(0xffffffffffffffff, 0xae01, 0x0) (async) syz_init_net_socket$nl_rdma(0x10, 0x3, 0x10) (async) sendmsg$BATADV_CMD_TP_METER_CANCEL(r2, &(0x7f0000001900)={&(0x7f0000001800), 0xc, 0x0}, 0x0) (async) fstat(r2, &(0x7f0000000140)) (async) ioctl$TIOCGPTPEER(r1, 0x5441, 0xdbb8) (async) ioctl$NBD_CLEAR_QUE(0xffffffffffffffff, 0xab05) (async) 08:01:57 executing program 0: r0 = syz_open_dev$ndb(&(0x7f00000002c0), 0x0, 0x0) (async) r1 = socket$bt_cmtp(0x1f, 0x3, 0x5) ioctl$sock_bt_cmtp_CMTPCONNDEL(r1, 0x400443c9, &(0x7f0000000000)={@fixed={'\xaa\xaa\xaa\xaa\xaa', 0x11}, 0xfffffff9}) (async) ioctl$NBD_SET_SOCK(r0, 0x5452, 0xffffffffffffffff) (async, rerun: 64) r2 = openat$vnet(0xffffffffffffff9c, &(0x7f0000000040), 0x2, 0x0) (rerun: 64) fstat(r2, &(0x7f0000000080)) 08:01:57 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000200), r1) sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f0000000200)={0x0, 0x2000000, &(0x7f00000001c0)={&(0x7f0000000140)={0x1c, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x1c}}, 0x0) 08:01:57 executing program 5: r0 = syz_open_dev$ndb(&(0x7f00000002c0), 0x0, 0x0) ioctl$NBD_SET_SOCK(r0, 0x5421, 0xffffffffffffffff) r1 = syz_open_dev$vcsn(&(0x7f0000000000), 0x8, 0x109000) sendmsg$RDMA_NLDEV_CMD_DELLINK(r1, &(0x7f0000000100)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x4}, 0xc, &(0x7f00000000c0)={&(0x7f0000000080)={0x18, 0x1404, 0x2, 0x70bd2c, 0x25dfdbfe, "", [@RDMA_NLDEV_ATTR_DEV_INDEX={0x8, 0x1, 0x2}]}, 0x18}}, 0x800) syz_open_dev$ndb(&(0x7f00000002c0), 0x0, 0x0) (async) ioctl$NBD_SET_SOCK(r0, 0x5421, 0xffffffffffffffff) (async) syz_open_dev$vcsn(&(0x7f0000000000), 0x8, 0x109000) (async) sendmsg$RDMA_NLDEV_CMD_DELLINK(r1, &(0x7f0000000100)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x4}, 0xc, &(0x7f00000000c0)={&(0x7f0000000080)={0x18, 0x1404, 0x2, 0x70bd2c, 0x25dfdbfe, "", [@RDMA_NLDEV_ATTR_DEV_INDEX={0x8, 0x1, 0x2}]}, 0x18}}, 0x800) (async) 08:01:57 executing program 2: ioctl$VHOST_VDPA_GET_CONFIG_SIZE(0xffffffffffffffff, 0x8004af79, &(0x7f0000000000)) r0 = openat$ptmx(0xffffffffffffff9c, &(0x7f0000000040), 0x0, 0x0) seccomp$SECCOMP_SET_MODE_FILTER(0x1, 0x0, &(0x7f0000000340)={0x1, &(0x7f0000000300)=[{0x6798}]}) ioctl$TIOCGPTPEER(r0, 0x5441, 0xdbb8) 08:01:57 executing program 1: syz_open_dev$ndb(&(0x7f00000002c0), 0x0, 0x0) r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000200), r1) sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f0000000200)={0x0, 0x3000000, &(0x7f00000001c0)={&(0x7f0000000140)={0x1c, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x1c}}, 0x0) [ 1279.641177] block nbd1: not configured, cannot reconfigure [ 1279.676046] block nbd4: not configured, cannot reconfigure 08:01:57 executing program 0: r0 = syz_open_dev$ndb(&(0x7f00000002c0), 0x0, 0x800) ioctl$NBD_SET_SOCK(r0, 0x5452, 0xffffffffffffffff) ioctl$AUTOFS_DEV_IOCTL_PROTOVER(0xffffffffffffffff, 0xc0189372, &(0x7f0000000000)={{0x1, 0x1, 0x18, r0, {0x1}}, './file0\x00'}) ioctl$NBD_SET_SOCK(r1, 0xab00, 0xffffffffffffffff) 08:01:57 executing program 4: r0 = syz_open_dev$ndb(&(0x7f00000002c0), 0x0, 0x0) r1 = syz_open_dev$vcsn(&(0x7f0000000140), 0x1, 0x0) ioctl$MEDIA_IOC_REQUEST_ALLOC(r1, 0x80047c05, &(0x7f0000000180)) ioctl$NBD_SET_SOCK(r1, 0xab00, 0xffffffffffffffff) ioctl$NBD_SET_SOCK(r0, 0x5452, 0xffffffffffffffff) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r4 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r5 = syz_genetlink_get_family_id$nbd(&(0x7f0000000200), r4) sendmsg$NBD_CMD_DISCONNECT(r3, &(0x7f00000004c0)={&(0x7f00000003c0), 0xc, &(0x7f0000000480)={&(0x7f0000000400)={0x28, r5, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_BLOCK_SIZE_BYTES={0xc}, @NBD_ATTR_BACKEND_IDENTIFIER={0x5, 0xa, '^'}]}, 0x28}}, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000240)={0xffffffffffffffff}) r7 = syz_open_dev$vcsn(&(0x7f0000000140), 0x1, 0x0) ioctl$MEDIA_IOC_REQUEST_ALLOC(r7, 0x80047c05, &(0x7f0000000180)) r8 = syz_open_dev$vcsn(&(0x7f0000000140), 0x1, 0x0) ioctl$MEDIA_IOC_REQUEST_ALLOC(r8, 0x80047c05, &(0x7f0000000180)) r9 = syz_open_dev$vcsn(&(0x7f0000000140), 0x1, 0x0) ioctl$MEDIA_IOC_REQUEST_ALLOC(r9, 0x80047c05, &(0x7f0000000180)) r10 = syz_open_dev$vcsn(&(0x7f0000000140), 0x1, 0x0) ioctl$MEDIA_IOC_REQUEST_ALLOC(r10, 0x80047c05, &(0x7f0000000180)) r11 = syz_open_dev$vcsn(&(0x7f0000000140), 0x1, 0x0) ioctl$MEDIA_IOC_REQUEST_ALLOC(r11, 0x80047c05, &(0x7f0000000180)) sendmsg$NBD_CMD_DISCONNECT(r2, &(0x7f00000003c0)={&(0x7f0000000200)={0x10, 0x0, 0x0, 0x20000000}, 0xc, &(0x7f0000000280)={&(0x7f0000000300)={0x88, r5, 0x400, 0x70bd2d, 0x25dfdbfb, {}, [@NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x8729}, @NBD_ATTR_SOCKETS={0x34, 0x7, 0x0, 0x1, [{0x8, 0x1, r6}, {0x8, 0x1, r7}, {0x8, 0x1, r1}, {0x8, 0x1, r8}, {0x8, 0x1, r9}, {0x8, 0x1, r1}]}, @NBD_ATTR_SOCKETS={0x1c, 0x7, 0x0, 0x1, [{0x8, 0x1, r1}, {0x8, 0x1, r10}, {0x8, 0x1, r11}]}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x6}]}, 0x88}, 0x1, 0x0, 0x0, 0x24044080}, 0x80000) sendmsg$NBD_CMD_DISCONNECT(r2, &(0x7f00000008c0)={0x0, 0x0, &(0x7f0000000880)={0x0}}, 0x1) r12 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), 0xffffffffffffffff) sendmsg$NBD_CMD_STATUS(r2, &(0x7f00000001c0)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x4}, 0xc, &(0x7f0000000100)={&(0x7f0000000080)={0x48, r12, 0x10, 0x70bd2b, 0x25dfdbfc, {}, [@NBD_ATTR_BACKEND_IDENTIFIER={0x6, 0xa, '\x8e['}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x1}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_BACKEND_IDENTIFIER={0xe, 0xa, '/dev/nbd#\x00'}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x48}, 0x1, 0x0, 0x0, 0x20008800}, 0x80) 08:01:57 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000200), r1) sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f0000000200)={0x0, 0x3000000, &(0x7f00000001c0)={&(0x7f0000000140)={0x1c, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x1c}}, 0x0) 08:01:57 executing program 5: r0 = syz_open_dev$ndb(&(0x7f00000002c0), 0x0, 0x111000) r1 = syz_open_dev$vcsn(&(0x7f0000000140), 0x1, 0x0) ioctl$MEDIA_IOC_REQUEST_ALLOC(r1, 0x80047c05, &(0x7f0000000180)) ioctl$NBD_CLEAR_QUE(r1, 0xab05) ioctl$NBD_SET_SOCK(r0, 0x5421, 0xffffffffffffffff) [ 1279.702966] block nbd3: not configured, cannot reconfigure [ 1279.732965] block nbd1: not configured, cannot reconfigure 08:01:57 executing program 2: ioctl$VHOST_VDPA_GET_CONFIG_SIZE(0xffffffffffffffff, 0x8004af79, &(0x7f0000000000)) r0 = openat$ptmx(0xffffffffffffff9c, &(0x7f0000000040), 0x0, 0x0) seccomp$SECCOMP_SET_MODE_FILTER(0x1, 0x0, &(0x7f0000000340)={0x1, &(0x7f0000000300)=[{0x6798}]}) (async) seccomp$SECCOMP_SET_MODE_FILTER(0x1, 0x0, &(0x7f0000000340)={0x1, &(0x7f0000000300)=[{0x6798}]}) ioctl$TIOCGPTPEER(r0, 0x5441, 0xdbb8) 08:01:57 executing program 0: r0 = syz_open_dev$ndb(&(0x7f00000002c0), 0x0, 0x800) ioctl$NBD_SET_SOCK(r0, 0x5452, 0xffffffffffffffff) (async) ioctl$AUTOFS_DEV_IOCTL_PROTOVER(0xffffffffffffffff, 0xc0189372, &(0x7f0000000000)={{0x1, 0x1, 0x18, r0, {0x1}}, './file0\x00'}) ioctl$NBD_SET_SOCK(r1, 0xab00, 0xffffffffffffffff) 08:01:57 executing program 1: syz_open_dev$ndb(&(0x7f00000002c0), 0x0, 0x0) r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000200), r1) sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f0000000200)={0x0, 0x4000000, &(0x7f00000001c0)={&(0x7f0000000140)={0x1c, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x1c}}, 0x0) 08:01:57 executing program 5: r0 = syz_open_dev$ndb(&(0x7f00000002c0), 0x0, 0x111000) (async) r1 = syz_open_dev$vcsn(&(0x7f0000000140), 0x1, 0x0) ioctl$MEDIA_IOC_REQUEST_ALLOC(r1, 0x80047c05, &(0x7f0000000180)) ioctl$NBD_CLEAR_QUE(r1, 0xab05) (async) ioctl$NBD_SET_SOCK(r0, 0x5421, 0xffffffffffffffff) [ 1279.810927] block nbd3: not configured, cannot reconfigure [ 1279.827384] nbd: must specify an index to disconnect 08:01:57 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000200), r1) sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f0000000200)={0x0, 0x4000000, &(0x7f00000001c0)={&(0x7f0000000140)={0x1c, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x1c}}, 0x0) 08:01:57 executing program 0: r0 = syz_open_dev$ndb(&(0x7f00000002c0), 0x0, 0x800) ioctl$NBD_SET_SOCK(r0, 0x5452, 0xffffffffffffffff) (async) ioctl$AUTOFS_DEV_IOCTL_PROTOVER(0xffffffffffffffff, 0xc0189372, &(0x7f0000000000)={{0x1, 0x1, 0x18, r0, {0x1}}, './file0\x00'}) ioctl$NBD_SET_SOCK(r1, 0xab00, 0xffffffffffffffff) 08:01:57 executing program 4: syz_open_dev$ndb(&(0x7f00000002c0), 0x0, 0x0) r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000200), r1) sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f0000000200)={0x0, 0x48, &(0x7f00000001c0)={&(0x7f0000000140)={0x1c, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x1c}}, 0x0) 08:01:57 executing program 5: r0 = syz_open_dev$ndb(&(0x7f00000002c0), 0x0, 0x111000) (async) r1 = syz_open_dev$vcsn(&(0x7f0000000140), 0x1, 0x0) ioctl$MEDIA_IOC_REQUEST_ALLOC(r1, 0x80047c05, &(0x7f0000000180)) (async) ioctl$NBD_CLEAR_QUE(r1, 0xab05) ioctl$NBD_SET_SOCK(r0, 0x5421, 0xffffffffffffffff) 08:01:57 executing program 2: ioctl$VHOST_VDPA_GET_CONFIG_SIZE(0xffffffffffffffff, 0x8004af79, &(0x7f0000000000)) (async) r0 = openat$ptmx(0xffffffffffffff9c, &(0x7f0000000040), 0x0, 0x0) (async, rerun: 32) seccomp$SECCOMP_SET_MODE_FILTER(0x1, 0x0, &(0x7f0000000340)={0x1, &(0x7f0000000300)=[{0x6798}]}) (rerun: 32) ioctl$TIOCGPTPEER(r0, 0x5441, 0xdbb8) [ 1279.878936] block nbd1: not configured, cannot reconfigure 08:01:57 executing program 1: syz_open_dev$ndb(&(0x7f00000002c0), 0x0, 0x0) r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000200), r1) sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f0000000200)={0x0, 0x5000000, &(0x7f00000001c0)={&(0x7f0000000140)={0x1c, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x1c}}, 0x0) 08:01:57 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000200), r1) sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f0000000200)={0x0, 0x5000000, &(0x7f00000001c0)={&(0x7f0000000140)={0x1c, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x1c}}, 0x0) [ 1279.937395] block nbd3: not configured, cannot reconfigure [ 1279.963305] block nbd4: not configured, cannot reconfigure 08:01:57 executing program 4: syz_open_dev$ndb(&(0x7f00000002c0), 0x0, 0x0) r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000200), r1) sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f0000000200)={0x0, 0x0, &(0x7f00000001c0)={&(0x7f0000000140)={0x48, r2, 0x1, 0x0, 0x25dfdbfd, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x8}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x25}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}]}, 0x48}, 0x1, 0x0, 0x0, 0x8}, 0x20000000) 08:01:57 executing program 0: r0 = syz_open_dev$ndb(&(0x7f00000002c0), 0x0, 0x0) ioctl$NBD_CLEAR_QUE(r0, 0xab05) ioctl$NBD_SET_SOCK(r0, 0xab00, 0xffffffffffffffff) ioctl$AUTOFS_DEV_IOCTL_PROTOVER(0xffffffffffffffff, 0xc0189372, &(0x7f0000000000)={{0x1, 0x1, 0x18, r0, {0x8001}}, './file0\x00'}) ioctl$NBD_SET_SOCK(0xffffffffffffffff, 0xab00, r1) ioctl$NBD_SET_SOCK(r0, 0x5452, 0xffffffffffffffff) 08:01:57 executing program 5: r0 = syz_open_dev$ttys(0xc, 0x2, 0x1) ioctl$TIOCMBIC(0xffffffffffffffff, 0x5417, &(0x7f0000000040)=0xfffffffe) ioctl$TCSETSW(r0, 0x5403, &(0x7f0000000540)={0x0, 0x0, 0xffffffff, 0x9, 0x0, "baf26a10e07ba77f1de09b779f3357c9c5a583"}) ioctl$KDFONTOP_SET(r0, 0x4b72, &(0x7f0000000000)={0x0, 0x0, 0x1c, 0x1a, 0x66, &(0x7f0000000300)="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"}) r1 = syz_open_dev$ndb(&(0x7f00000002c0), 0x0, 0x0) ioctl$NBD_SET_SOCK(r1, 0x5421, 0xffffffffffffffff) [ 1280.014667] block nbd1: not configured, cannot reconfigure [ 1280.041283] block nbd3: not configured, cannot reconfigure 08:01:57 executing program 1: syz_open_dev$ndb(&(0x7f00000002c0), 0x0, 0x0) r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000200), r1) sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f0000000200)={0x0, 0x6000000, &(0x7f00000001c0)={&(0x7f0000000140)={0x1c, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x1c}}, 0x0) 08:01:57 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000200), r1) sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f0000000200)={0x0, 0x6000000, &(0x7f00000001c0)={&(0x7f0000000140)={0x1c, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x1c}}, 0x0) 08:01:57 executing program 0: r0 = syz_open_dev$ndb(&(0x7f00000002c0), 0x0, 0x0) ioctl$NBD_CLEAR_QUE(r0, 0xab05) (async) ioctl$NBD_SET_SOCK(r0, 0xab00, 0xffffffffffffffff) (async) ioctl$AUTOFS_DEV_IOCTL_PROTOVER(0xffffffffffffffff, 0xc0189372, &(0x7f0000000000)={{0x1, 0x1, 0x18, r0, {0x8001}}, './file0\x00'}) ioctl$NBD_SET_SOCK(0xffffffffffffffff, 0xab00, r1) ioctl$NBD_SET_SOCK(r0, 0x5452, 0xffffffffffffffff) 08:01:57 executing program 5: r0 = syz_open_dev$ttys(0xc, 0x2, 0x1) (async) ioctl$TIOCMBIC(0xffffffffffffffff, 0x5417, &(0x7f0000000040)=0xfffffffe) ioctl$TCSETSW(r0, 0x5403, &(0x7f0000000540)={0x0, 0x0, 0xffffffff, 0x9, 0x0, "baf26a10e07ba77f1de09b779f3357c9c5a583"}) ioctl$KDFONTOP_SET(r0, 0x4b72, &(0x7f0000000000)={0x0, 0x0, 0x1c, 0x1a, 0x66, &(0x7f0000000300)="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"}) (async, rerun: 64) r1 = syz_open_dev$ndb(&(0x7f00000002c0), 0x0, 0x0) (rerun: 64) ioctl$NBD_SET_SOCK(r1, 0x5421, 0xffffffffffffffff) [ 1280.068660] block nbd4: not configured, cannot reconfigure 08:01:57 executing program 4: syz_open_dev$ndb(&(0x7f00000002c0), 0x0, 0x0) r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000200), r1) sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f0000000200)={0x0, 0xf, &(0x7f00000001c0)={&(0x7f0000000140)={0x1c, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x1c}}, 0x0) 08:01:57 executing program 1: syz_open_dev$ndb(&(0x7f00000002c0), 0x0, 0x0) r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000200), r1) sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f0000000200)={0x0, 0x7000000, &(0x7f00000001c0)={&(0x7f0000000140)={0x1c, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x1c}}, 0x0) [ 1280.144181] block nbd1: not configured, cannot reconfigure [ 1280.169181] block nbd3: not configured, cannot reconfigure 08:01:57 executing program 2: r0 = openat$ptmx(0xffffffffffffff9c, &(0x7f0000000040), 0x101003, 0x0) ioctl$VT_SETMODE(r0, 0x5602, &(0x7f0000000000)={0x40, 0x9, 0x2, 0x7, 0x9}) ioctl$TIOCGPTPEER(r0, 0x5441, 0xdbb8) 08:01:57 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000200), r1) sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f0000000200)={0x0, 0x7000000, &(0x7f00000001c0)={&(0x7f0000000140)={0x1c, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x1c}}, 0x0) 08:01:57 executing program 0: r0 = syz_open_dev$ndb(&(0x7f00000002c0), 0x0, 0x0) ioctl$NBD_CLEAR_QUE(r0, 0xab05) ioctl$NBD_SET_SOCK(r0, 0xab00, 0xffffffffffffffff) ioctl$AUTOFS_DEV_IOCTL_PROTOVER(0xffffffffffffffff, 0xc0189372, &(0x7f0000000000)={{0x1, 0x1, 0x18, r0, {0x8001}}, './file0\x00'}) ioctl$NBD_SET_SOCK(0xffffffffffffffff, 0xab00, r1) ioctl$NBD_SET_SOCK(r0, 0x5452, 0xffffffffffffffff) syz_open_dev$ndb(&(0x7f00000002c0), 0x0, 0x0) (async) ioctl$NBD_CLEAR_QUE(r0, 0xab05) (async) ioctl$NBD_SET_SOCK(r0, 0xab00, 0xffffffffffffffff) (async) ioctl$AUTOFS_DEV_IOCTL_PROTOVER(0xffffffffffffffff, 0xc0189372, &(0x7f0000000000)={{0x1, 0x1, 0x18, r0, {0x8001}}, './file0\x00'}) (async) ioctl$NBD_SET_SOCK(0xffffffffffffffff, 0xab00, r1) (async) ioctl$NBD_SET_SOCK(r0, 0x5452, 0xffffffffffffffff) (async) 08:01:57 executing program 5: r0 = syz_open_dev$ttys(0xc, 0x2, 0x1) ioctl$TIOCMBIC(0xffffffffffffffff, 0x5417, &(0x7f0000000040)=0xfffffffe) ioctl$TCSETSW(r0, 0x5403, &(0x7f0000000540)={0x0, 0x0, 0xffffffff, 0x9, 0x0, "baf26a10e07ba77f1de09b779f3357c9c5a583"}) ioctl$KDFONTOP_SET(r0, 0x4b72, &(0x7f0000000000)={0x0, 0x0, 0x1c, 0x1a, 0x66, &(0x7f0000000300)="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"}) r1 = syz_open_dev$ndb(&(0x7f00000002c0), 0x0, 0x0) ioctl$NBD_SET_SOCK(r1, 0x5421, 0xffffffffffffffff) syz_open_dev$ttys(0xc, 0x2, 0x1) (async) ioctl$TIOCMBIC(0xffffffffffffffff, 0x5417, &(0x7f0000000040)=0xfffffffe) (async) ioctl$TCSETSW(r0, 0x5403, &(0x7f0000000540)={0x0, 0x0, 0xffffffff, 0x9, 0x0, "baf26a10e07ba77f1de09b779f3357c9c5a583"}) (async) ioctl$KDFONTOP_SET(r0, 0x4b72, &(0x7f0000000000)={0x0, 0x0, 0x1c, 0x1a, 0x66, &(0x7f0000000300)="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"}) (async) syz_open_dev$ndb(&(0x7f00000002c0), 0x0, 0x0) (async) ioctl$NBD_SET_SOCK(r1, 0x5421, 0xffffffffffffffff) (async) [ 1280.216910] block nbd4: not configured, cannot reconfigure [ 1280.226035] block nbd1: not configured, cannot reconfigure 08:01:57 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000200), r1) sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f0000000200)={0x0, 0x8, &(0x7f00000001c0)={&(0x7f0000000140)={0x1c, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x1c}}, 0x0) 08:01:57 executing program 1: syz_open_dev$ndb(&(0x7f00000002c0), 0x0, 0x0) r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000200), r1) sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f0000000200)={0x0, 0x8000000, &(0x7f00000001c0)={&(0x7f0000000140)={0x1c, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x1c}}, 0x0) [ 1280.284333] block nbd3: not configured, cannot reconfigure 08:01:57 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000200), r1) sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f0000000200)={0x0, 0x8000000, &(0x7f00000001c0)={&(0x7f0000000140)={0x1c, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x1c}}, 0x0) 08:01:57 executing program 2: r0 = openat$ptmx(0xffffffffffffff9c, &(0x7f0000000040), 0x101003, 0x0) ioctl$VT_SETMODE(r0, 0x5602, &(0x7f0000000000)={0x40, 0x9, 0x2, 0x7, 0x9}) (async) ioctl$TIOCGPTPEER(r0, 0x5441, 0xdbb8) 08:01:57 executing program 0: r0 = syz_open_dev$ndb(&(0x7f00000002c0), 0x0, 0x0) ioctl$NBD_SET_SOCK(r0, 0x5452, 0xffffffffffffffff) ioctl$AUTOFS_DEV_IOCTL_REQUESTER(0xffffffffffffffff, 0xc018937b, &(0x7f0000000000)={{0x1, 0x1, 0x18, r0, {0xee00, 0xffffffffffffffff}}, './file0\x00'}) ioctl$MEDIA_IOC_REQUEST_ALLOC(r1, 0x80047c05, &(0x7f0000000040)) [ 1280.344625] block nbd4: not configured, cannot reconfigure [ 1280.361893] block nbd1: not configured, cannot reconfigure 08:01:57 executing program 5: sendmsg$NBD_CMD_STATUS(0xffffffffffffffff, &(0x7f00000000c0)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x10}, 0xc, &(0x7f0000000080)={&(0x7f0000000100)=ANY=[@ANYBLOB="01004702e6e8bf017b9cdc6f254eeed03f198809d04316c242f690da23c9fbdcc6ac71a24db0a051f546a45b173bca16a13f7091a50f2fd40b4710a14fe465ae9126c65e811afc3aa7e528af3b725ced1a8c7bc449947a8d5bc282cc611fe4ee47473ea35aa01ef01c235bd4dedba2c76c639f25", @ANYRES16=0x0, @ANYBLOB="00042cbd7000fcdbdf25050000000c0005002801000000000000"], 0x20}, 0x1, 0x0, 0x0, 0x4011}, 0x40001) r0 = syz_open_dev$ndb(&(0x7f00000002c0), 0x0, 0x0) ioctl$NBD_SET_SOCK(r0, 0x5421, 0xffffffffffffffff) r1 = socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$batadv(&(0x7f0000000480), 0xffffffffffffffff) sendmsg$BATADV_CMD_TP_METER_CANCEL(r1, &(0x7f0000000580)={0x0, 0x0, &(0x7f0000000540)={&(0x7f00000004c0)={0x14, r2, 0x1}, 0x14}}, 0x0) sendmsg$BATADV_CMD_GET_DAT_CACHE(0xffffffffffffffff, &(0x7f0000000240)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x400}, 0xc, &(0x7f0000000200)={&(0x7f00000001c0)={0x34, r2, 0x0, 0x70bd2d, 0x25dfdbfd, {}, [@BATADV_ATTR_AGGREGATED_OGMS_ENABLED={0x5}, @BATADV_ATTR_ELP_INTERVAL={0x8, 0x3a, 0x200}, @BATADV_ATTR_NETWORK_CODING_ENABLED={0x5}, @BATADV_ATTR_MULTICAST_FANOUT={0x8, 0x3c, 0x8}]}, 0x34}, 0x1, 0x0, 0x0, 0x44}, 0x20000000) 08:01:57 executing program 1: syz_open_dev$ndb(&(0x7f00000002c0), 0x0, 0x0) r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000200), r1) sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f0000000200)={0x0, 0xf000000, &(0x7f00000001c0)={&(0x7f0000000140)={0x1c, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x1c}}, 0x0) 08:01:57 executing program 4: r0 = openat$ptmx(0xffffffffffffff9c, &(0x7f0000000040), 0x101003, 0x0) ioctl$VT_SETMODE(r0, 0x5602, &(0x7f0000000000)={0x40, 0x9, 0x2, 0x7, 0x9}) ioctl$TIOCGPTPEER(r0, 0x5441, 0xdbb8) [ 1280.408088] block nbd3: not configured, cannot reconfigure 08:01:58 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000200), r1) sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f0000000200)={0x0, 0xf000000, &(0x7f00000001c0)={&(0x7f0000000140)={0x1c, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x1c}}, 0x0) 08:01:58 executing program 2: r0 = openat$ptmx(0xffffffffffffff9c, &(0x7f0000000040), 0x101003, 0x0) ioctl$VT_SETMODE(r0, 0x5602, &(0x7f0000000000)={0x40, 0x9, 0x2, 0x7, 0x9}) (async) ioctl$TIOCGPTPEER(r0, 0x5441, 0xdbb8) 08:01:58 executing program 0: r0 = syz_open_dev$ndb(&(0x7f00000002c0), 0x0, 0x0) ioctl$NBD_SET_SOCK(r0, 0x5452, 0xffffffffffffffff) ioctl$AUTOFS_DEV_IOCTL_REQUESTER(0xffffffffffffffff, 0xc018937b, &(0x7f0000000000)={{0x1, 0x1, 0x18, r0, {0xee00, 0xffffffffffffffff}}, './file0\x00'}) (async) ioctl$AUTOFS_DEV_IOCTL_REQUESTER(0xffffffffffffffff, 0xc018937b, &(0x7f0000000000)={{0x1, 0x1, 0x18, r0, {0xee00, 0xffffffffffffffff}}, './file0\x00'}) ioctl$MEDIA_IOC_REQUEST_ALLOC(r1, 0x80047c05, &(0x7f0000000040)) 08:01:58 executing program 4: syz_open_dev$ndb(&(0x7f00000002c0), 0x0, 0x0) r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000200), r1) sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f0000000200)={0x0, 0x0, &(0x7f00000001c0)={&(0x7f0000000140)={0x48, r2, 0x0, 0x70bd2d, 0x25dfdbfd, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x8}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x25}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}]}, 0x48}, 0x1, 0x0, 0x0, 0x8}, 0x20000000) 08:01:58 executing program 5: sendmsg$NBD_CMD_STATUS(0xffffffffffffffff, &(0x7f00000000c0)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x10}, 0xc, &(0x7f0000000080)={&(0x7f0000000100)=ANY=[@ANYBLOB="01004702e6e8bf017b9cdc6f254eeed03f198809d04316c242f690da23c9fbdcc6ac71a24db0a051f546a45b173bca16a13f7091a50f2fd40b4710a14fe465ae9126c65e811afc3aa7e528af3b725ced1a8c7bc449947a8d5bc282cc611fe4ee47473ea35aa01ef01c235bd4dedba2c76c639f25", @ANYRES16=0x0, @ANYBLOB="00042cbd7000fcdbdf25050000000c0005002801000000000000"], 0x20}, 0x1, 0x0, 0x0, 0x4011}, 0x40001) (async, rerun: 32) r0 = syz_open_dev$ndb(&(0x7f00000002c0), 0x0, 0x0) (rerun: 32) ioctl$NBD_SET_SOCK(r0, 0x5421, 0xffffffffffffffff) (async) r1 = socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$batadv(&(0x7f0000000480), 0xffffffffffffffff) sendmsg$BATADV_CMD_TP_METER_CANCEL(r1, &(0x7f0000000580)={0x0, 0x0, &(0x7f0000000540)={&(0x7f00000004c0)={0x14, r2, 0x1}, 0x14}}, 0x0) (async, rerun: 32) sendmsg$BATADV_CMD_GET_DAT_CACHE(0xffffffffffffffff, &(0x7f0000000240)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x400}, 0xc, &(0x7f0000000200)={&(0x7f00000001c0)={0x34, r2, 0x0, 0x70bd2d, 0x25dfdbfd, {}, [@BATADV_ATTR_AGGREGATED_OGMS_ENABLED={0x5}, @BATADV_ATTR_ELP_INTERVAL={0x8, 0x3a, 0x200}, @BATADV_ATTR_NETWORK_CODING_ENABLED={0x5}, @BATADV_ATTR_MULTICAST_FANOUT={0x8, 0x3c, 0x8}]}, 0x34}, 0x1, 0x0, 0x0, 0x44}, 0x20000000) (rerun: 32) 08:01:58 executing program 1: syz_open_dev$ndb(&(0x7f00000002c0), 0x0, 0x0) r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000200), r1) sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f0000000200)={0x0, 0x20000000, &(0x7f00000001c0)={&(0x7f0000000140)={0x1c, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x1c}}, 0x0) 08:01:58 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000200), r1) sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f0000000200)={0x0, 0x20000000, &(0x7f00000001c0)={&(0x7f0000000140)={0x1c, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x1c}}, 0x0) [ 1280.504872] block nbd1: not configured, cannot reconfigure [ 1280.535481] block nbd3: not configured, cannot reconfigure 08:01:58 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000200), r1) sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f0000000200)={0x0, 0x2, &(0x7f00000001c0)={&(0x7f0000000140)={0x1c, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x1c}}, 0x0) 08:01:58 executing program 2: r0 = openat$ptmx(0xffffffffffffff9c, &(0x7f0000000000), 0x401, 0x0) ioctl$TIOCGPTPEER(r0, 0x5441, 0xdbb8) 08:01:58 executing program 0: r0 = syz_open_dev$ndb(&(0x7f00000002c0), 0x0, 0x0) ioctl$NBD_SET_SOCK(r0, 0x5452, 0xffffffffffffffff) (async) ioctl$AUTOFS_DEV_IOCTL_REQUESTER(0xffffffffffffffff, 0xc018937b, &(0x7f0000000000)={{0x1, 0x1, 0x18, r0, {0xee00, 0xffffffffffffffff}}, './file0\x00'}) ioctl$MEDIA_IOC_REQUEST_ALLOC(r1, 0x80047c05, &(0x7f0000000040)) 08:01:58 executing program 5: sendmsg$NBD_CMD_STATUS(0xffffffffffffffff, &(0x7f00000000c0)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x10}, 0xc, &(0x7f0000000080)={&(0x7f0000000100)=ANY=[@ANYBLOB="01004702e6e8bf017b9cdc6f254eeed03f198809d04316c242f690da23c9fbdcc6ac71a24db0a051f546a45b173bca16a13f7091a50f2fd40b4710a14fe465ae9126c65e811afc3aa7e528af3b725ced1a8c7bc449947a8d5bc282cc611fe4ee47473ea35aa01ef01c235bd4dedba2c76c639f25", @ANYRES16=0x0, @ANYBLOB="00042cbd7000fcdbdf25050000000c0005002801000000000000"], 0x20}, 0x1, 0x0, 0x0, 0x4011}, 0x40001) r0 = syz_open_dev$ndb(&(0x7f00000002c0), 0x0, 0x0) ioctl$NBD_SET_SOCK(r0, 0x5421, 0xffffffffffffffff) socket$nl_generic(0x10, 0x3, 0x10) (async) r1 = socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$batadv(&(0x7f0000000480), 0xffffffffffffffff) sendmsg$BATADV_CMD_TP_METER_CANCEL(r1, &(0x7f0000000580)={0x0, 0x0, &(0x7f0000000540)={&(0x7f00000004c0)={0x14, r2, 0x1}, 0x14}}, 0x0) (async) sendmsg$BATADV_CMD_TP_METER_CANCEL(r1, &(0x7f0000000580)={0x0, 0x0, &(0x7f0000000540)={&(0x7f00000004c0)={0x14, r2, 0x1}, 0x14}}, 0x0) sendmsg$BATADV_CMD_GET_DAT_CACHE(0xffffffffffffffff, &(0x7f0000000240)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x400}, 0xc, &(0x7f0000000200)={&(0x7f00000001c0)={0x34, r2, 0x0, 0x70bd2d, 0x25dfdbfd, {}, [@BATADV_ATTR_AGGREGATED_OGMS_ENABLED={0x5}, @BATADV_ATTR_ELP_INTERVAL={0x8, 0x3a, 0x200}, @BATADV_ATTR_NETWORK_CODING_ENABLED={0x5}, @BATADV_ATTR_MULTICAST_FANOUT={0x8, 0x3c, 0x8}]}, 0x34}, 0x1, 0x0, 0x0, 0x44}, 0x20000000) [ 1280.628023] block nbd3: not configured, cannot reconfigure [ 1280.655867] block nbd1: not configured, cannot reconfigure 08:01:58 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000200), r1) sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f0000000200)={0x0, 0x48000000, &(0x7f00000001c0)={&(0x7f0000000140)={0x1c, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x1c}}, 0x0) 08:01:58 executing program 1: syz_open_dev$ndb(&(0x7f00000002c0), 0x0, 0x0) r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000200), r1) sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f0000000200)={0x0, 0x48000000, &(0x7f00000001c0)={&(0x7f0000000140)={0x1c, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x1c}}, 0x0) 08:01:58 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000200), r1) sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f0000000200)={0x0, 0x2, &(0x7f00000001c0)={&(0x7f0000000140)={0x1c, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x1c}}, 0x0) 08:01:58 executing program 2: r0 = openat$ptmx(0xffffffffffffff9c, &(0x7f0000000000), 0x401, 0x0) ioctl$TIOCGPTPEER(r0, 0x5441, 0xdbb8) 08:01:58 executing program 5: r0 = syz_open_dev$ndb(&(0x7f00000002c0), 0x0, 0x0) ioctl$NBD_SET_SOCK(r0, 0x5421, 0xffffffffffffffff) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), 0xffffffffffffffff) ioctl$AUTOFS_DEV_IOCTL_PROTOVER(0xffffffffffffffff, 0xc0189372, &(0x7f0000000080)={{0x1, 0x1, 0x18, r0, {0x7}}, './file0\x00'}) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f00000000c0)={0xffffffffffffffff}) r5 = syz_open_dev$vcsn(&(0x7f0000000140), 0x6, 0x0) ioctl$MEDIA_IOC_REQUEST_ALLOC(r5, 0x80047c05, &(0x7f0000000180)) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000001c0)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x8000000}, 0xc, &(0x7f0000000180)={&(0x7f0000000100)={0x78, r2, 0x100, 0x70bd2b, 0x25dfdbfb, {}, [@NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0xcf0}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0xc}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x880}, @NBD_ATTR_SERVER_FLAGS={0xc}, @NBD_ATTR_SOCKETS={0x34, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8, 0x1, r3}, {0x8, 0x1, r4}, {0x8, 0x1, r5}]}]}, 0x78}, 0x1, 0x0, 0x0, 0x91}, 0x0) [ 1280.681354] block nbd4: not configured, cannot reconfigure 08:01:58 executing program 0: r0 = socket(0x34, 0x6, 0x7) r1 = syz_genetlink_get_family_id$batadv(&(0x7f0000000080), 0xffffffffffffffff) sendmsg$BATADV_CMD_GET_BLA_CLAIM(r0, &(0x7f0000000180)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x8000000}, 0xc, &(0x7f0000000140)={&(0x7f00000000c0)={0x44, r1, 0xb01, 0x70bd29, 0x25dfdbff, {}, [@BATADV_ATTR_HOP_PENALTY={0x5}, @BATADV_ATTR_ORIG_INTERVAL={0x8, 0x39, 0xc4}, @BATADV_ATTR_BONDING_ENABLED={0x5, 0x2d, 0x1}, @BATADV_ATTR_GW_SEL_CLASS={0x8, 0x34, 0xc0}, @BATADV_ATTR_BRIDGE_LOOP_AVOIDANCE_ENABLED={0x5}, @BATADV_ATTR_GW_MODE={0x5}]}, 0x44}, 0x1, 0x0, 0x0, 0x40000d1}, 0x64004801) ioctl$VHOST_VDPA_GET_IOVA_RANGE(0xffffffffffffffff, 0x8010af78, &(0x7f0000000000)) r2 = syz_open_dev$ndb(&(0x7f00000002c0), 0x0, 0x0) ioctl$NBD_SET_SOCK(r2, 0x5452, 0xffffffffffffffff) 08:01:58 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000200), r1) sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f0000000200)={0x0, 0x4c000000, &(0x7f00000001c0)={&(0x7f0000000140)={0x1c, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x1c}}, 0x0) [ 1280.746357] block nbd3: not configured, cannot reconfigure 08:01:58 executing program 5: r0 = syz_open_dev$ndb(&(0x7f00000002c0), 0x0, 0x0) ioctl$NBD_SET_SOCK(r0, 0x5421, 0xffffffffffffffff) (async) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), 0xffffffffffffffff) (async, rerun: 32) ioctl$AUTOFS_DEV_IOCTL_PROTOVER(0xffffffffffffffff, 0xc0189372, &(0x7f0000000080)={{0x1, 0x1, 0x18, r0, {0x7}}, './file0\x00'}) (async, rerun: 32) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f00000000c0)={0xffffffffffffffff}) r5 = syz_open_dev$vcsn(&(0x7f0000000140), 0x6, 0x0) ioctl$MEDIA_IOC_REQUEST_ALLOC(r5, 0x80047c05, &(0x7f0000000180)) (async) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000001c0)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x8000000}, 0xc, &(0x7f0000000180)={&(0x7f0000000100)={0x78, r2, 0x100, 0x70bd2b, 0x25dfdbfb, {}, [@NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0xcf0}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0xc}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x880}, @NBD_ATTR_SERVER_FLAGS={0xc}, @NBD_ATTR_SOCKETS={0x34, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8, 0x1, r3}, {0x8, 0x1, r4}, {0x8, 0x1, r5}]}]}, 0x78}, 0x1, 0x0, 0x0, 0x91}, 0x0) 08:01:58 executing program 0: r0 = socket(0x34, 0x6, 0x7) (async) r1 = syz_genetlink_get_family_id$batadv(&(0x7f0000000080), 0xffffffffffffffff) sendmsg$BATADV_CMD_GET_BLA_CLAIM(r0, &(0x7f0000000180)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x8000000}, 0xc, &(0x7f0000000140)={&(0x7f00000000c0)={0x44, r1, 0xb01, 0x70bd29, 0x25dfdbff, {}, [@BATADV_ATTR_HOP_PENALTY={0x5}, @BATADV_ATTR_ORIG_INTERVAL={0x8, 0x39, 0xc4}, @BATADV_ATTR_BONDING_ENABLED={0x5, 0x2d, 0x1}, @BATADV_ATTR_GW_SEL_CLASS={0x8, 0x34, 0xc0}, @BATADV_ATTR_BRIDGE_LOOP_AVOIDANCE_ENABLED={0x5}, @BATADV_ATTR_GW_MODE={0x5}]}, 0x44}, 0x1, 0x0, 0x0, 0x40000d1}, 0x64004801) (async) ioctl$VHOST_VDPA_GET_IOVA_RANGE(0xffffffffffffffff, 0x8010af78, &(0x7f0000000000)) (async) r2 = syz_open_dev$ndb(&(0x7f00000002c0), 0x0, 0x0) ioctl$NBD_SET_SOCK(r2, 0x5452, 0xffffffffffffffff) 08:01:58 executing program 2: r0 = openat$ptmx(0xffffffffffffff9c, &(0x7f0000000000), 0x401, 0x0) ioctl$TIOCGPTPEER(r0, 0x5441, 0xdbb8) 08:01:58 executing program 1: syz_open_dev$ndb(&(0x7f00000002c0), 0x0, 0x0) r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000200), r1) sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f0000000200)={0x0, 0x4c000000, &(0x7f00000001c0)={&(0x7f0000000140)={0x1c, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x1c}}, 0x0) [ 1280.808974] block nbd1: not configured, cannot reconfigure [ 1280.842940] block nbd4: not configured, cannot reconfigure 08:01:58 executing program 4: r0 = socket(0x34, 0x6, 0x7) r1 = syz_genetlink_get_family_id$batadv(&(0x7f0000000080), 0xffffffffffffffff) sendmsg$BATADV_CMD_GET_BLA_CLAIM(r0, &(0x7f0000000180)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x8000000}, 0xc, &(0x7f0000000140)={&(0x7f00000000c0)={0x44, r1, 0xb01, 0x70bd29, 0x25dfdbff, {}, [@BATADV_ATTR_HOP_PENALTY={0x5}, @BATADV_ATTR_ORIG_INTERVAL={0x8, 0x39, 0xc4}, @BATADV_ATTR_BONDING_ENABLED={0x5, 0x2d, 0x1}, @BATADV_ATTR_GW_SEL_CLASS={0x8, 0x34, 0xc0}, @BATADV_ATTR_BRIDGE_LOOP_AVOIDANCE_ENABLED={0x5}, @BATADV_ATTR_GW_MODE={0x5}]}, 0x44}, 0x1, 0x0, 0x0, 0x40000d1}, 0x64004801) ioctl$VHOST_VDPA_GET_IOVA_RANGE(0xffffffffffffffff, 0x8010af78, &(0x7f0000000000)) r2 = syz_open_dev$ndb(&(0x7f00000002c0), 0x0, 0x0) ioctl$NBD_SET_SOCK(r2, 0x5452, 0xffffffffffffffff) 08:01:58 executing program 0: r0 = socket(0x34, 0x6, 0x7) (async, rerun: 32) r1 = syz_genetlink_get_family_id$batadv(&(0x7f0000000080), 0xffffffffffffffff) (rerun: 32) sendmsg$BATADV_CMD_GET_BLA_CLAIM(r0, &(0x7f0000000180)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x8000000}, 0xc, &(0x7f0000000140)={&(0x7f00000000c0)={0x44, r1, 0xb01, 0x70bd29, 0x25dfdbff, {}, [@BATADV_ATTR_HOP_PENALTY={0x5}, @BATADV_ATTR_ORIG_INTERVAL={0x8, 0x39, 0xc4}, @BATADV_ATTR_BONDING_ENABLED={0x5, 0x2d, 0x1}, @BATADV_ATTR_GW_SEL_CLASS={0x8, 0x34, 0xc0}, @BATADV_ATTR_BRIDGE_LOOP_AVOIDANCE_ENABLED={0x5}, @BATADV_ATTR_GW_MODE={0x5}]}, 0x44}, 0x1, 0x0, 0x0, 0x40000d1}, 0x64004801) (async) ioctl$VHOST_VDPA_GET_IOVA_RANGE(0xffffffffffffffff, 0x8010af78, &(0x7f0000000000)) (async) r2 = syz_open_dev$ndb(&(0x7f00000002c0), 0x0, 0x0) ioctl$NBD_SET_SOCK(r2, 0x5452, 0xffffffffffffffff) 08:01:58 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000200), r1) sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f0000000200)={0x0, 0x60000000, &(0x7f00000001c0)={&(0x7f0000000140)={0x1c, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x1c}}, 0x0) [ 1280.872759] block nbd3: not configured, cannot reconfigure 08:01:58 executing program 2: r0 = openat$ptmx(0xffffffffffffff9c, &(0x7f0000000040), 0x0, 0x0) ioctl$TIOCSPGRP(r0, 0x5410, &(0x7f0000000000)=0xffffffffffffffff) ioctl$TIOCGPTPEER(r0, 0x5441, 0xdbb8) 08:01:58 executing program 4: syz_open_dev$ndb(&(0x7f00000002c0), 0x0, 0x0) r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000200), r1) sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f0000000200)={0x0, 0x0, &(0x7f00000001c0)={&(0x7f0000000140)={0x1c, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x1c}}, 0x0) 08:01:58 executing program 5: r0 = syz_open_dev$ndb(&(0x7f00000002c0), 0x0, 0x0) ioctl$NBD_SET_SOCK(r0, 0x5421, 0xffffffffffffffff) (async) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), 0xffffffffffffffff) (async) ioctl$AUTOFS_DEV_IOCTL_PROTOVER(0xffffffffffffffff, 0xc0189372, &(0x7f0000000080)={{0x1, 0x1, 0x18, r0, {0x7}}, './file0\x00'}) (async) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f00000000c0)={0xffffffffffffffff}) (async) r5 = syz_open_dev$vcsn(&(0x7f0000000140), 0x6, 0x0) ioctl$MEDIA_IOC_REQUEST_ALLOC(r5, 0x80047c05, &(0x7f0000000180)) (async) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000001c0)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x8000000}, 0xc, &(0x7f0000000180)={&(0x7f0000000100)={0x78, r2, 0x100, 0x70bd2b, 0x25dfdbfb, {}, [@NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0xcf0}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0xc}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x880}, @NBD_ATTR_SERVER_FLAGS={0xc}, @NBD_ATTR_SOCKETS={0x34, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8, 0x1, r3}, {0x8, 0x1, r4}, {0x8, 0x1, r5}]}]}, 0x78}, 0x1, 0x0, 0x0, 0x91}, 0x0) 08:01:58 executing program 2: r0 = openat$ptmx(0xffffffffffffff9c, &(0x7f0000000040), 0x0, 0x0) ioctl$TIOCSPGRP(r0, 0x5410, &(0x7f0000000000)=0xffffffffffffffff) ioctl$TIOCGPTPEER(r0, 0x5441, 0xdbb8) 08:01:58 executing program 1: syz_open_dev$ndb(&(0x7f00000002c0), 0x0, 0x0) r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000200), r1) sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f0000000200)={0x0, 0x60000000, &(0x7f00000001c0)={&(0x7f0000000140)={0x1c, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x1c}}, 0x0) [ 1280.941881] block nbd1: not configured, cannot reconfigure [ 1280.981484] block nbd3: not configured, cannot reconfigure 08:01:58 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000200), r1) sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f0000000200)={0x0, 0x68000000, &(0x7f00000001c0)={&(0x7f0000000140)={0x1c, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x1c}}, 0x0) 08:01:58 executing program 5: r0 = syz_open_dev$ndb(&(0x7f00000002c0), 0x0, 0x270003) r1 = ioctl$TIOCGPTPEER(0xffffffffffffffff, 0x5441, 0x5) ioctl$TIOCSERGETLSR(r1, 0x5459, &(0x7f0000000000)) ioctl$NBD_SET_SOCK(r0, 0x5421, 0xffffffffffffffff) 08:01:58 executing program 4: syz_open_dev$ndb(&(0x7f00000002c0), 0x0, 0x0) r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000200), r1) sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f0000000200)={0x0, 0x0, 0x0, 0x1, 0x0, 0x0, 0x8}, 0x20000000) [ 1281.033799] block nbd4: not configured, cannot reconfigure 08:01:58 executing program 2: r0 = openat$ptmx(0xffffffffffffff9c, &(0x7f0000000040), 0x0, 0x0) ioctl$TIOCSPGRP(r0, 0x5410, &(0x7f0000000000)=0xffffffffffffffff) ioctl$TIOCGPTPEER(r0, 0x5441, 0xdbb8) openat$ptmx(0xffffffffffffff9c, &(0x7f0000000040), 0x0, 0x0) (async) ioctl$TIOCSPGRP(r0, 0x5410, &(0x7f0000000000)=0xffffffffffffffff) (async) ioctl$TIOCGPTPEER(r0, 0x5441, 0xdbb8) (async) 08:01:58 executing program 1: syz_open_dev$ndb(&(0x7f00000002c0), 0x0, 0x0) r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000200), r1) sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f0000000200)={0x0, 0x65770bc2, &(0x7f00000001c0)={&(0x7f0000000140)={0x1c, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x1c}}, 0x0) 08:01:58 executing program 0: ioctl$TIOCMIWAIT(0xffffffffffffffff, 0x545c, 0x0) r0 = syz_open_dev$ndb(&(0x7f00000002c0), 0x0, 0x0) ioctl$NBD_CLEAR_SOCK(0xffffffffffffffff, 0xab04) ioctl$NBD_DISCONNECT(r0, 0xab08) ioctl$NBD_SET_SOCK(r0, 0x5452, 0xffffffffffffffff) 08:01:58 executing program 5: r0 = syz_open_dev$ndb(&(0x7f00000002c0), 0x0, 0x270003) (async) r1 = ioctl$TIOCGPTPEER(0xffffffffffffffff, 0x5441, 0x5) ioctl$TIOCSERGETLSR(r1, 0x5459, &(0x7f0000000000)) (async) ioctl$NBD_SET_SOCK(r0, 0x5421, 0xffffffffffffffff) [ 1281.090345] block nbd1: not configured, cannot reconfigure [ 1281.122588] block nbd3: not configured, cannot reconfigure 08:01:58 executing program 4: syz_open_dev$ndb(&(0x7f00000002c0), 0x0, 0x0) r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000200), r1) sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f0000000200)={0x0, 0x60000000, &(0x7f00000001c0)={&(0x7f0000000140)={0x1c, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x1c}}, 0x0) 08:01:58 executing program 2: r0 = openat$ptmx(0xffffffffffffff9c, &(0x7f0000000040), 0x783300, 0x0) ioctl$TIOCGPTPEER(r0, 0x5441, 0xdbb8) 08:01:58 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000200), r1) sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f0000000200)={0x0, 0x6c000000, &(0x7f00000001c0)={&(0x7f0000000140)={0x1c, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x1c}}, 0x0) 08:01:58 executing program 5: r0 = syz_open_dev$ndb(&(0x7f00000002c0), 0x0, 0x270003) (async) r1 = ioctl$TIOCGPTPEER(0xffffffffffffffff, 0x5441, 0x5) ioctl$TIOCSERGETLSR(r1, 0x5459, &(0x7f0000000000)) ioctl$NBD_SET_SOCK(r0, 0x5421, 0xffffffffffffffff) 08:01:58 executing program 1: syz_open_dev$ndb(&(0x7f00000002c0), 0x0, 0x0) r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000200), r1) sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f0000000200)={0x0, 0x68000000, &(0x7f00000001c0)={&(0x7f0000000140)={0x1c, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x1c}}, 0x0) [ 1281.192749] block nbd1: not configured, cannot reconfigure [ 1281.227075] block nbd0: NBD_DISCONNECT [ 1281.231400] block nbd4: not configured, cannot reconfigure 08:01:58 executing program 0: ioctl$TIOCMIWAIT(0xffffffffffffffff, 0x545c, 0x0) r0 = syz_open_dev$ndb(&(0x7f00000002c0), 0x0, 0x0) ioctl$NBD_CLEAR_SOCK(0xffffffffffffffff, 0xab04) (async) ioctl$NBD_CLEAR_SOCK(0xffffffffffffffff, 0xab04) ioctl$NBD_DISCONNECT(r0, 0xab08) ioctl$NBD_SET_SOCK(r0, 0x5452, 0xffffffffffffffff) 08:01:58 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000200), r1) sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f0000000200)={0x0, 0x74000000, &(0x7f00000001c0)={&(0x7f0000000140)={0x1c, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x1c}}, 0x0) 08:01:58 executing program 2: r0 = openat$ptmx(0xffffffffffffff9c, &(0x7f0000000040), 0x783300, 0x0) ioctl$TIOCGPTPEER(r0, 0x5441, 0xdbb8) (async) ioctl$TIOCGPTPEER(r0, 0x5441, 0xdbb8) 08:01:58 executing program 4: syz_open_dev$ndb(&(0x7f00000002c0), 0x0, 0x0) r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000200), r1) sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f0000000200)={0x0, 0x65770bc2, &(0x7f00000001c0)={&(0x7f0000000140)={0x1c, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x1c}}, 0x0) [ 1281.267960] block nbd3: not configured, cannot reconfigure [ 1281.300926] block nbd1: not configured, cannot reconfigure 08:01:58 executing program 5: ioctl$AUTOFS_DEV_IOCTL_REQUESTER(0xffffffffffffffff, 0xc018937b, &(0x7f0000000000)={{0x1, 0x1, 0x18, 0xffffffffffffffff, {0x0, 0xee01}}, './file0\x00'}) write$apparmor_current(r0, &(0x7f0000000040)=@hat={'changehat ', 0x2, 0x5e, ['/dev/nbd#\x00', ':/}$,%&#.\x00']}, 0x31) r1 = syz_open_dev$ndb(&(0x7f00000002c0), 0x0, 0x0) ioctl$NBD_SET_SOCK(r1, 0x5421, 0xffffffffffffffff) ioctl$TIOCMIWAIT(r0, 0x545c, 0x0) 08:01:58 executing program 1: syz_open_dev$ndb(&(0x7f00000002c0), 0x0, 0x0) r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000200), r1) sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f0000000200)={0x0, 0x6c000000, &(0x7f00000001c0)={&(0x7f0000000140)={0x1c, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x1c}}, 0x0) [ 1281.338144] block nbd3: not configured, cannot reconfigure [ 1281.367135] block nbd0: NBD_DISCONNECT 08:01:58 executing program 0: ioctl$TIOCMIWAIT(0xffffffffffffffff, 0x545c, 0x0) (async) r0 = syz_open_dev$ndb(&(0x7f00000002c0), 0x0, 0x0) ioctl$NBD_CLEAR_SOCK(0xffffffffffffffff, 0xab04) (async) ioctl$NBD_DISCONNECT(r0, 0xab08) ioctl$NBD_SET_SOCK(r0, 0x5452, 0xffffffffffffffff) 08:01:58 executing program 2: r0 = openat$ptmx(0xffffffffffffff9c, &(0x7f0000000040), 0x783300, 0x0) ioctl$TIOCGPTPEER(r0, 0x5441, 0xdbb8) 08:01:58 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000200), r1) sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f0000000200)={0x0, 0x7a000000, &(0x7f00000001c0)={&(0x7f0000000140)={0x1c, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x1c}}, 0x0) [ 1281.383717] block nbd4: not configured, cannot reconfigure 08:01:58 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000200), r1) sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f0000000200)={0x0, 0x74000000, &(0x7f00000001c0)={&(0x7f0000000140)={0x1c, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x1c}}, 0x0) 08:01:59 executing program 1: syz_open_dev$ndb(&(0x7f00000002c0), 0x0, 0x0) r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000200), r1) sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f0000000200)={0x0, 0x74000000, &(0x7f00000001c0)={&(0x7f0000000140)={0x1c, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x1c}}, 0x0) 08:01:59 executing program 5: ioctl$AUTOFS_DEV_IOCTL_REQUESTER(0xffffffffffffffff, 0xc018937b, &(0x7f0000000000)={{0x1, 0x1, 0x18, 0xffffffffffffffff, {0x0, 0xee01}}, './file0\x00'}) write$apparmor_current(r0, &(0x7f0000000040)=@hat={'changehat ', 0x2, 0x5e, ['/dev/nbd#\x00', ':/}$,%&#.\x00']}, 0x31) r1 = syz_open_dev$ndb(&(0x7f00000002c0), 0x0, 0x0) ioctl$NBD_SET_SOCK(r1, 0x5421, 0xffffffffffffffff) ioctl$TIOCMIWAIT(r0, 0x545c, 0x0) ioctl$AUTOFS_DEV_IOCTL_REQUESTER(0xffffffffffffffff, 0xc018937b, &(0x7f0000000000)={{0x1, 0x1, 0x18, 0xffffffffffffffff, {0x0, 0xee01}}, './file0\x00'}) (async) write$apparmor_current(r0, &(0x7f0000000040)=@hat={'changehat ', 0x2, 0x5e, ['/dev/nbd#\x00', ':/}$,%&#.\x00']}, 0x31) (async) syz_open_dev$ndb(&(0x7f00000002c0), 0x0, 0x0) (async) ioctl$NBD_SET_SOCK(r1, 0x5421, 0xffffffffffffffff) (async) ioctl$TIOCMIWAIT(r0, 0x545c, 0x0) (async) [ 1281.426371] block nbd1: not configured, cannot reconfigure [ 1281.453835] block nbd0: NBD_DISCONNECT 08:01:59 executing program 0: r0 = syz_open_dev$ndb(&(0x7f00000002c0), 0x0, 0x0) r1 = open(&(0x7f0000000000)='./file0\x00', 0x40080, 0x0) ioctl$sock_SIOCETHTOOL(r1, 0x8946, &(0x7f00000000c0)={'wlan0\x00', &(0x7f0000000080)=@ethtool_cmd={0x37, 0x2, 0x2, 0x7, 0x20, 0x0, 0x81, 0xc7, 0x0, 0x7b, 0x1, 0x6, 0x1, 0x8, 0x2, 0x1, [0xc9]}}) ioctl$NBD_CLEAR_QUE(r1, 0xab05) ioctl$NBD_SET_SOCK(r0, 0x5452, 0xffffffffffffffff) ioctl$VHOST_VDPA_SET_CONFIG_CALL(r1, 0x4004af77, &(0x7f0000000040)=0x2) 08:01:59 executing program 2: r0 = openat$ptmx(0xffffffffffffff9c, &(0x7f0000000040), 0x0, 0x0) r1 = syz_open_dev$tty20(0xc, 0x4, 0x1) ioctl$TCSETSF(r1, 0x5404, &(0x7f0000000900)={0x3, 0xfffffffc, 0x0, 0x0, 0x5, "9750da793b38a0e557884e87596d6020c84d50"}) r2 = syz_open_dev$vcsn(&(0x7f0000000000), 0x10000, 0x68400) ioctl$GIO_UNIMAP(r2, 0x4b66, &(0x7f00000001c0)={0x9, &(0x7f0000000180)=[{}, {}, {}, {}, {}, {}, {}, {}, {}]}) r3 = syz_init_net_socket$nl_rdma(0x10, 0x3, 0x10) sendmsg$BATADV_CMD_TP_METER_CANCEL(r3, &(0x7f0000001900)={&(0x7f0000001800), 0xc, 0x0}, 0x0) ioctl$AUTOFS_DEV_IOCTL_REQUESTER(0xffffffffffffffff, 0xc018937b, &(0x7f0000000300)=ANY=[@ANYBLOB="010000000100000018000000", @ANYRES32=r0, @ANYRES64=r3, @ANYRESOCT=r0, @ANYBLOB="17f54a94e74c95a65625234a6308d6221484df6fd5dbd4282c57ee0320c138d8f4a07991f8e5629397b218a15df5853dd9a34d906d6ddb6439afd35c97183bf7f1c005648abd07d1647d53282e0b647d75cd5d4b030b660f0aceabbbbb90ab88d65301a60f66ac5ee83e9024b9a38988f84af2cb2cf2650e6240d43a3bd90df6370a61649869174c2d10b44d40509ab237c9e3b9b21566ecc39cb25b06824eeda560d8c0521176afcbfb1c1446678905f5b3ad625078db3c824c1e552dd8c02739485673f5427ad78283f381350d1d84fa22dd589b6f71e76b637a17d4d9bf83d25d01f31b"]) ioctl$TIOCGPTPEER(r1, 0x5441, 0x2) ioctl$GIO_UNISCRNMAP(r0, 0x4b69, &(0x7f0000000940)=""/4096) 08:01:59 executing program 2: r0 = openat$ptmx(0xffffffffffffff9c, &(0x7f0000000040), 0x0, 0x0) r1 = syz_open_dev$tty20(0xc, 0x4, 0x1) ioctl$TCSETSF(r1, 0x5404, &(0x7f0000000900)={0x3, 0xfffffffc, 0x0, 0x0, 0x5, "9750da793b38a0e557884e87596d6020c84d50"}) r2 = syz_open_dev$vcsn(&(0x7f0000000000), 0x10000, 0x68400) ioctl$GIO_UNIMAP(r2, 0x4b66, &(0x7f00000001c0)={0x9, &(0x7f0000000180)=[{}, {}, {}, {}, {}, {}, {}, {}, {}]}) r3 = syz_init_net_socket$nl_rdma(0x10, 0x3, 0x10) sendmsg$BATADV_CMD_TP_METER_CANCEL(r3, &(0x7f0000001900)={&(0x7f0000001800), 0xc, 0x0}, 0x0) ioctl$AUTOFS_DEV_IOCTL_REQUESTER(0xffffffffffffffff, 0xc018937b, &(0x7f0000000300)=ANY=[@ANYBLOB="010000000100000018000000", @ANYRES32=r0, @ANYRES64=r3, @ANYRESOCT=r0, @ANYBLOB="17f54a94e74c95a65625234a6308d6221484df6fd5dbd4282c57ee0320c138d8f4a07991f8e5629397b218a15df5853dd9a34d906d6ddb6439afd35c97183bf7f1c005648abd07d1647d53282e0b647d75cd5d4b030b660f0aceabbbbb90ab88d65301a60f66ac5ee83e9024b9a38988f84af2cb2cf2650e6240d43a3bd90df6370a61649869174c2d10b44d40509ab237c9e3b9b21566ecc39cb25b06824eeda560d8c0521176afcbfb1c1446678905f5b3ad625078db3c824c1e552dd8c02739485673f5427ad78283f381350d1d84fa22dd589b6f71e76b637a17d4d9bf83d25d01f31b"]) ioctl$TIOCGPTPEER(r1, 0x5441, 0x2) ioctl$GIO_UNISCRNMAP(r0, 0x4b69, &(0x7f0000000940)=""/4096) openat$ptmx(0xffffffffffffff9c, &(0x7f0000000040), 0x0, 0x0) (async) syz_open_dev$tty20(0xc, 0x4, 0x1) (async) ioctl$TCSETSF(r1, 0x5404, &(0x7f0000000900)={0x3, 0xfffffffc, 0x0, 0x0, 0x5, "9750da793b38a0e557884e87596d6020c84d50"}) (async) syz_open_dev$vcsn(&(0x7f0000000000), 0x10000, 0x68400) (async) ioctl$GIO_UNIMAP(r2, 0x4b66, &(0x7f00000001c0)={0x9, &(0x7f0000000180)=[{}, {}, {}, {}, {}, {}, {}, {}, {}]}) (async) syz_init_net_socket$nl_rdma(0x10, 0x3, 0x10) (async) sendmsg$BATADV_CMD_TP_METER_CANCEL(r3, &(0x7f0000001900)={&(0x7f0000001800), 0xc, 0x0}, 0x0) (async) ioctl$AUTOFS_DEV_IOCTL_REQUESTER(0xffffffffffffffff, 0xc018937b, &(0x7f0000000300)=ANY=[@ANYBLOB="010000000100000018000000", @ANYRES32=r0, @ANYRES64=r3, @ANYRESOCT=r0, @ANYBLOB="17f54a94e74c95a65625234a6308d6221484df6fd5dbd4282c57ee0320c138d8f4a07991f8e5629397b218a15df5853dd9a34d906d6ddb6439afd35c97183bf7f1c005648abd07d1647d53282e0b647d75cd5d4b030b660f0aceabbbbb90ab88d65301a60f66ac5ee83e9024b9a38988f84af2cb2cf2650e6240d43a3bd90df6370a61649869174c2d10b44d40509ab237c9e3b9b21566ecc39cb25b06824eeda560d8c0521176afcbfb1c1446678905f5b3ad625078db3c824c1e552dd8c02739485673f5427ad78283f381350d1d84fa22dd589b6f71e76b637a17d4d9bf83d25d01f31b"]) (async) ioctl$TIOCGPTPEER(r1, 0x5441, 0x2) (async) ioctl$GIO_UNISCRNMAP(r0, 0x4b69, &(0x7f0000000940)=""/4096) (async) [ 1281.485940] block nbd3: not configured, cannot reconfigure [ 1281.511821] block nbd4: not configured, cannot reconfigure 08:01:59 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000200), r1) sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f0000000200)={0x0, 0x9effffff, &(0x7f00000001c0)={&(0x7f0000000140)={0x1c, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x1c}}, 0x0) 08:01:59 executing program 5: ioctl$AUTOFS_DEV_IOCTL_REQUESTER(0xffffffffffffffff, 0xc018937b, &(0x7f0000000000)={{0x1, 0x1, 0x18, 0xffffffffffffffff, {0x0, 0xee01}}, './file0\x00'}) write$apparmor_current(r0, &(0x7f0000000040)=@hat={'changehat ', 0x2, 0x5e, ['/dev/nbd#\x00', ':/}$,%&#.\x00']}, 0x31) (async) r1 = syz_open_dev$ndb(&(0x7f00000002c0), 0x0, 0x0) ioctl$NBD_SET_SOCK(r1, 0x5421, 0xffffffffffffffff) (async) ioctl$TIOCMIWAIT(r0, 0x545c, 0x0) 08:01:59 executing program 0: r0 = syz_open_dev$ndb(&(0x7f00000002c0), 0x0, 0x0) r1 = open(&(0x7f0000000000)='./file0\x00', 0x40080, 0x0) ioctl$sock_SIOCETHTOOL(r1, 0x8946, &(0x7f00000000c0)={'wlan0\x00', &(0x7f0000000080)=@ethtool_cmd={0x37, 0x2, 0x2, 0x7, 0x20, 0x0, 0x81, 0xc7, 0x0, 0x7b, 0x1, 0x6, 0x1, 0x8, 0x2, 0x1, [0xc9]}}) ioctl$NBD_CLEAR_QUE(r1, 0xab05) ioctl$NBD_SET_SOCK(r0, 0x5452, 0xffffffffffffffff) ioctl$VHOST_VDPA_SET_CONFIG_CALL(r1, 0x4004af77, &(0x7f0000000040)=0x2) syz_open_dev$ndb(&(0x7f00000002c0), 0x0, 0x0) (async) open(&(0x7f0000000000)='./file0\x00', 0x40080, 0x0) (async) ioctl$sock_SIOCETHTOOL(r1, 0x8946, &(0x7f00000000c0)={'wlan0\x00', &(0x7f0000000080)=@ethtool_cmd={0x37, 0x2, 0x2, 0x7, 0x20, 0x0, 0x81, 0xc7, 0x0, 0x7b, 0x1, 0x6, 0x1, 0x8, 0x2, 0x1, [0xc9]}}) (async) ioctl$NBD_CLEAR_QUE(r1, 0xab05) (async) ioctl$NBD_SET_SOCK(r0, 0x5452, 0xffffffffffffffff) (async) ioctl$VHOST_VDPA_SET_CONFIG_CALL(r1, 0x4004af77, &(0x7f0000000040)=0x2) (async) 08:01:59 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000200), r1) sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f0000000200)={0x0, 0x68000000, &(0x7f00000001c0)={&(0x7f0000000140)={0x1c, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x1c}}, 0x0) 08:01:59 executing program 1: syz_open_dev$ndb(&(0x7f00000002c0), 0x0, 0x0) r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000200), r1) sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f0000000200)={0x0, 0x7a000000, &(0x7f00000001c0)={&(0x7f0000000140)={0x1c, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x1c}}, 0x0) [ 1281.549079] block nbd1: not configured, cannot reconfigure 08:01:59 executing program 5: inotify_init1(0x180800) semctl$SETALL(0x0, 0x0, 0x11, &(0x7f0000000000)=[0x6, 0x6, 0x680a]) r0 = syz_open_dev$ndb(&(0x7f00000002c0), 0x0, 0x288042) ioctl$NBD_SET_SOCK(r0, 0x5421, 0xffffffffffffffff) 08:01:59 executing program 2: r0 = openat$ptmx(0xffffffffffffff9c, &(0x7f0000000040), 0x0, 0x0) syz_open_dev$tty20(0xc, 0x4, 0x1) (async) r1 = syz_open_dev$tty20(0xc, 0x4, 0x1) ioctl$TCSETSF(r1, 0x5404, &(0x7f0000000900)={0x3, 0xfffffffc, 0x0, 0x0, 0x5, "9750da793b38a0e557884e87596d6020c84d50"}) (async) ioctl$TCSETSF(r1, 0x5404, &(0x7f0000000900)={0x3, 0xfffffffc, 0x0, 0x0, 0x5, "9750da793b38a0e557884e87596d6020c84d50"}) r2 = syz_open_dev$vcsn(&(0x7f0000000000), 0x10000, 0x68400) ioctl$GIO_UNIMAP(r2, 0x4b66, &(0x7f00000001c0)={0x9, &(0x7f0000000180)=[{}, {}, {}, {}, {}, {}, {}, {}, {}]}) r3 = syz_init_net_socket$nl_rdma(0x10, 0x3, 0x10) sendmsg$BATADV_CMD_TP_METER_CANCEL(r3, &(0x7f0000001900)={&(0x7f0000001800), 0xc, 0x0}, 0x0) (async) sendmsg$BATADV_CMD_TP_METER_CANCEL(r3, &(0x7f0000001900)={&(0x7f0000001800), 0xc, 0x0}, 0x0) ioctl$AUTOFS_DEV_IOCTL_REQUESTER(0xffffffffffffffff, 0xc018937b, &(0x7f0000000300)=ANY=[@ANYBLOB="010000000100000018000000", @ANYRES32=r0, @ANYRES64=r3, @ANYRESOCT=r0, @ANYBLOB="17f54a94e74c95a65625234a6308d6221484df6fd5dbd4282c57ee0320c138d8f4a07991f8e5629397b218a15df5853dd9a34d906d6ddb6439afd35c97183bf7f1c005648abd07d1647d53282e0b647d75cd5d4b030b660f0aceabbbbb90ab88d65301a60f66ac5ee83e9024b9a38988f84af2cb2cf2650e6240d43a3bd90df6370a61649869174c2d10b44d40509ab237c9e3b9b21566ecc39cb25b06824eeda560d8c0521176afcbfb1c1446678905f5b3ad625078db3c824c1e552dd8c02739485673f5427ad78283f381350d1d84fa22dd589b6f71e76b637a17d4d9bf83d25d01f31b"]) ioctl$TIOCGPTPEER(r1, 0x5441, 0x2) ioctl$GIO_UNISCRNMAP(r0, 0x4b69, &(0x7f0000000940)=""/4096) 08:01:59 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000200), r1) sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f0000000200)={0x0, 0xd237d1d4, &(0x7f00000001c0)={&(0x7f0000000140)={0x1c, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x1c}}, 0x0) [ 1281.635184] block nbd3: not configured, cannot reconfigure [ 1281.662112] block nbd4: not configured, cannot reconfigure 08:01:59 executing program 0: r0 = syz_open_dev$ndb(&(0x7f00000002c0), 0x0, 0x0) (async) r1 = open(&(0x7f0000000000)='./file0\x00', 0x40080, 0x0) ioctl$sock_SIOCETHTOOL(r1, 0x8946, &(0x7f00000000c0)={'wlan0\x00', &(0x7f0000000080)=@ethtool_cmd={0x37, 0x2, 0x2, 0x7, 0x20, 0x0, 0x81, 0xc7, 0x0, 0x7b, 0x1, 0x6, 0x1, 0x8, 0x2, 0x1, [0xc9]}}) (async) ioctl$NBD_CLEAR_QUE(r1, 0xab05) (async) ioctl$NBD_SET_SOCK(r0, 0x5452, 0xffffffffffffffff) ioctl$VHOST_VDPA_SET_CONFIG_CALL(r1, 0x4004af77, &(0x7f0000000040)=0x2) 08:01:59 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000200), r1) sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f0000000200)={0x0, 0x9effffff, &(0x7f00000001c0)={&(0x7f0000000140)={0x1c, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x1c}}, 0x0) 08:01:59 executing program 5: inotify_init1(0x180800) (async) semctl$SETALL(0x0, 0x0, 0x11, &(0x7f0000000000)=[0x6, 0x6, 0x680a]) (async) r0 = syz_open_dev$ndb(&(0x7f00000002c0), 0x0, 0x288042) ioctl$NBD_SET_SOCK(r0, 0x5421, 0xffffffffffffffff) 08:01:59 executing program 1: syz_open_dev$ndb(&(0x7f00000002c0), 0x0, 0x0) r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000200), r1) sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f0000000200)={0x0, 0x9effffff, &(0x7f00000001c0)={&(0x7f0000000140)={0x1c, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x1c}}, 0x0) 08:01:59 executing program 2: r0 = syz_open_dev$vcsn(&(0x7f0000000140), 0x7fffffff, 0x0) ioctl$MEDIA_IOC_REQUEST_ALLOC(r0, 0x80047c05, &(0x7f0000000180)) ioctl$SECCOMP_IOCTL_NOTIF_SEND(r0, 0xc0182101, &(0x7f0000000000)={0x0, 0x1, 0x8c0}) r1 = syz_open_dev$ttys(0xc, 0x2, 0x1) ioctl$TCSETSW(r1, 0x5403, &(0x7f0000000540)={0x0, 0x0, 0xffffffff, 0x9, 0x0, "baf26a10e07ba77f1de09b779f3357c9c5a583"}) ioctl$TCSETAF(r1, 0x5408, &(0x7f0000000080)={0x3, 0x17, 0x7fff, 0x4d86, 0x1, "76030ffd1430641d"}) r2 = openat$ptmx(0xffffffffffffff9c, &(0x7f0000000040), 0x0, 0x0) ioctl$SECCOMP_IOCTL_NOTIF_RECV(r0, 0xc0502100, &(0x7f00000000c0)) ioctl$TIOCGPTPEER(r2, 0x5441, 0xdbb8) [ 1281.698572] block nbd1: not configured, cannot reconfigure [ 1281.732985] block nbd3: not configured, cannot reconfigure 08:01:59 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000200), r1) sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f0000000200)={0x0, 0xd4d137d2, &(0x7f00000001c0)={&(0x7f0000000140)={0x1c, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x1c}}, 0x0) 08:01:59 executing program 0: r0 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x240000) r1 = syz_open_dev$vcsn(&(0x7f0000000140), 0x1, 0x0) ioctl$MEDIA_IOC_REQUEST_ALLOC(r1, 0x80047c05, &(0x7f0000000180)) sendmsg$BATADV_CMD_GET_VLAN(r1, &(0x7f0000000140)={&(0x7f0000000080), 0xc, &(0x7f0000000100)={&(0x7f00000000c0)=ANY=[@ANYBLOB='$\x00\x00\x00', @ANYRES16=0x0, @ANYBLOB="10002bbd7000fedbdf251100000008003100030000000a00090040de02721fa40000"], 0x28}, 0x1, 0x0, 0x0, 0x4080c}, 0x2000000) ioctl$NBD_SET_SOCK(r0, 0x5452, 0xffffffffffffffff) openat$apparmor_thread_current(0xffffffffffffff9c, &(0x7f00000001c0), 0x2, 0x0) ioctl$TIOCL_UNBLANKSCREEN(0xffffffffffffffff, 0x541c, &(0x7f0000000000)) 08:01:59 executing program 4: syz_open_dev$ndb(&(0x7f00000002c0), 0x0, 0x0) r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000200), r1) sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f0000000200)={0x0, 0x74000000, &(0x7f00000001c0)={&(0x7f0000000140)={0x1c, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x1c}}, 0x0) 08:01:59 executing program 5: inotify_init1(0x180800) (async) semctl$SETALL(0x0, 0x0, 0x11, &(0x7f0000000000)=[0x6, 0x6, 0x680a]) (async) r0 = syz_open_dev$ndb(&(0x7f00000002c0), 0x0, 0x288042) ioctl$NBD_SET_SOCK(r0, 0x5421, 0xffffffffffffffff) [ 1281.778368] block nbd4: not configured, cannot reconfigure [ 1281.794655] block nbd1: not configured, cannot reconfigure 08:01:59 executing program 1: syz_open_dev$ndb(&(0x7f00000002c0), 0x0, 0x0) r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000200), r1) sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f0000000200)={0x0, 0xc20b7765, &(0x7f00000001c0)={&(0x7f0000000140)={0x1c, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x1c}}, 0x0) 08:01:59 executing program 2: r0 = syz_open_dev$vcsn(&(0x7f0000000140), 0x7fffffff, 0x0) ioctl$MEDIA_IOC_REQUEST_ALLOC(r0, 0x80047c05, &(0x7f0000000180)) ioctl$SECCOMP_IOCTL_NOTIF_SEND(r0, 0xc0182101, &(0x7f0000000000)={0x0, 0x1, 0x8c0}) r1 = syz_open_dev$ttys(0xc, 0x2, 0x1) ioctl$TCSETSW(r1, 0x5403, &(0x7f0000000540)={0x0, 0x0, 0xffffffff, 0x9, 0x0, "baf26a10e07ba77f1de09b779f3357c9c5a583"}) ioctl$TCSETAF(r1, 0x5408, &(0x7f0000000080)={0x3, 0x17, 0x7fff, 0x4d86, 0x1, "76030ffd1430641d"}) r2 = openat$ptmx(0xffffffffffffff9c, &(0x7f0000000040), 0x0, 0x0) ioctl$SECCOMP_IOCTL_NOTIF_RECV(r0, 0xc0502100, &(0x7f00000000c0)) ioctl$TIOCGPTPEER(r2, 0x5441, 0xdbb8) syz_open_dev$vcsn(&(0x7f0000000140), 0x7fffffff, 0x0) (async) ioctl$MEDIA_IOC_REQUEST_ALLOC(r0, 0x80047c05, &(0x7f0000000180)) (async) ioctl$SECCOMP_IOCTL_NOTIF_SEND(r0, 0xc0182101, &(0x7f0000000000)={0x0, 0x1, 0x8c0}) (async) syz_open_dev$ttys(0xc, 0x2, 0x1) (async) ioctl$TCSETSW(r1, 0x5403, &(0x7f0000000540)={0x0, 0x0, 0xffffffff, 0x9, 0x0, "baf26a10e07ba77f1de09b779f3357c9c5a583"}) (async) ioctl$TCSETAF(r1, 0x5408, &(0x7f0000000080)={0x3, 0x17, 0x7fff, 0x4d86, 0x1, "76030ffd1430641d"}) (async) openat$ptmx(0xffffffffffffff9c, &(0x7f0000000040), 0x0, 0x0) (async) ioctl$SECCOMP_IOCTL_NOTIF_RECV(r0, 0xc0502100, &(0x7f00000000c0)) (async) ioctl$TIOCGPTPEER(r2, 0x5441, 0xdbb8) (async) 08:01:59 executing program 0: r0 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x240000) (async) r1 = syz_open_dev$vcsn(&(0x7f0000000140), 0x1, 0x0) ioctl$MEDIA_IOC_REQUEST_ALLOC(r1, 0x80047c05, &(0x7f0000000180)) (async) sendmsg$BATADV_CMD_GET_VLAN(r1, &(0x7f0000000140)={&(0x7f0000000080), 0xc, &(0x7f0000000100)={&(0x7f00000000c0)=ANY=[@ANYBLOB='$\x00\x00\x00', @ANYRES16=0x0, @ANYBLOB="10002bbd7000fedbdf251100000008003100030000000a00090040de02721fa40000"], 0x28}, 0x1, 0x0, 0x0, 0x4080c}, 0x2000000) (async) ioctl$NBD_SET_SOCK(r0, 0x5452, 0xffffffffffffffff) openat$apparmor_thread_current(0xffffffffffffff9c, &(0x7f00000001c0), 0x2, 0x0) (async, rerun: 64) ioctl$TIOCL_UNBLANKSCREEN(0xffffffffffffffff, 0x541c, &(0x7f0000000000)) (rerun: 64) [ 1281.874968] block nbd4: not configured, cannot reconfigure [ 1281.893834] block nbd3: not configured, cannot reconfigure 08:01:59 executing program 5: r0 = syz_open_dev$ttys(0xc, 0x2, 0x1) ioctl$TCSETSW(r0, 0x5403, &(0x7f0000000540)={0x0, 0x0, 0xffffffff, 0x9, 0x0, "baf26a10e07ba77f1de09b779f3357c9c5a583"}) ioctl$TIOCMIWAIT(r0, 0x545c, 0x0) r1 = syz_open_dev$ndb(&(0x7f00000002c0), 0x0, 0x0) ioctl$NBD_SET_SOCK(r1, 0x5421, 0xffffffffffffffff) 08:01:59 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000200), r1) sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f0000000200)={0x0, 0x68000000, &(0x7f00000001c0)={&(0x7f0000000140)={0x1c, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x1c}}, 0x0) 08:01:59 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000200), r1) sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f0000000200)={0x0, 0xf0ffffff, &(0x7f00000001c0)={&(0x7f0000000140)={0x1c, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x1c}}, 0x0) [ 1281.915985] block nbd1: not configured, cannot reconfigure 08:01:59 executing program 1: syz_open_dev$ndb(&(0x7f00000002c0), 0x0, 0x0) r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000200), r1) sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f0000000200)={0x0, 0xf0ffffff, &(0x7f00000001c0)={&(0x7f0000000140)={0x1c, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x1c}}, 0x0) 08:01:59 executing program 2: r0 = syz_open_dev$vcsn(&(0x7f0000000140), 0x7fffffff, 0x0) ioctl$MEDIA_IOC_REQUEST_ALLOC(r0, 0x80047c05, &(0x7f0000000180)) (async) ioctl$MEDIA_IOC_REQUEST_ALLOC(r0, 0x80047c05, &(0x7f0000000180)) ioctl$SECCOMP_IOCTL_NOTIF_SEND(r0, 0xc0182101, &(0x7f0000000000)={0x0, 0x1, 0x8c0}) (async) ioctl$SECCOMP_IOCTL_NOTIF_SEND(r0, 0xc0182101, &(0x7f0000000000)={0x0, 0x1, 0x8c0}) syz_open_dev$ttys(0xc, 0x2, 0x1) (async) r1 = syz_open_dev$ttys(0xc, 0x2, 0x1) ioctl$TCSETSW(r1, 0x5403, &(0x7f0000000540)={0x0, 0x0, 0xffffffff, 0x9, 0x0, "baf26a10e07ba77f1de09b779f3357c9c5a583"}) ioctl$TCSETAF(r1, 0x5408, &(0x7f0000000080)={0x3, 0x17, 0x7fff, 0x4d86, 0x1, "76030ffd1430641d"}) r2 = openat$ptmx(0xffffffffffffff9c, &(0x7f0000000040), 0x0, 0x0) ioctl$SECCOMP_IOCTL_NOTIF_RECV(r0, 0xc0502100, &(0x7f00000000c0)) ioctl$TIOCGPTPEER(r2, 0x5441, 0xdbb8) 08:01:59 executing program 5: r0 = syz_open_dev$ttys(0xc, 0x2, 0x1) ioctl$TCSETSW(r0, 0x5403, &(0x7f0000000540)={0x0, 0x0, 0xffffffff, 0x9, 0x0, "baf26a10e07ba77f1de09b779f3357c9c5a583"}) ioctl$TIOCMIWAIT(r0, 0x545c, 0x0) syz_open_dev$ndb(&(0x7f00000002c0), 0x0, 0x0) (async) r1 = syz_open_dev$ndb(&(0x7f00000002c0), 0x0, 0x0) ioctl$NBD_SET_SOCK(r1, 0x5421, 0xffffffffffffffff) 08:01:59 executing program 0: r0 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x240000) syz_open_dev$vcsn(&(0x7f0000000140), 0x1, 0x0) (async) r1 = syz_open_dev$vcsn(&(0x7f0000000140), 0x1, 0x0) ioctl$MEDIA_IOC_REQUEST_ALLOC(r1, 0x80047c05, &(0x7f0000000180)) sendmsg$BATADV_CMD_GET_VLAN(r1, &(0x7f0000000140)={&(0x7f0000000080), 0xc, &(0x7f0000000100)={&(0x7f00000000c0)=ANY=[@ANYBLOB='$\x00\x00\x00', @ANYRES16=0x0, @ANYBLOB="10002bbd7000fedbdf251100000008003100030000000a00090040de02721fa40000"], 0x28}, 0x1, 0x0, 0x0, 0x4080c}, 0x2000000) (async) sendmsg$BATADV_CMD_GET_VLAN(r1, &(0x7f0000000140)={&(0x7f0000000080), 0xc, &(0x7f0000000100)={&(0x7f00000000c0)=ANY=[@ANYBLOB='$\x00\x00\x00', @ANYRES16=0x0, @ANYBLOB="10002bbd7000fedbdf251100000008003100030000000a00090040de02721fa40000"], 0x28}, 0x1, 0x0, 0x0, 0x4080c}, 0x2000000) ioctl$NBD_SET_SOCK(r0, 0x5452, 0xffffffffffffffff) openat$apparmor_thread_current(0xffffffffffffff9c, &(0x7f00000001c0), 0x2, 0x0) ioctl$TIOCL_UNBLANKSCREEN(0xffffffffffffffff, 0x541c, &(0x7f0000000000)) 08:01:59 executing program 4: syz_open_dev$ndb(&(0x7f00000002c0), 0x0, 0x0) r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000200), r1) sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f0000000200)={0x0, 0xc20b7765, &(0x7f00000001c0)={&(0x7f0000000140)={0x1c, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x1c}}, 0x0) [ 1281.986582] block nbd4: not configured, cannot reconfigure [ 1282.026322] block nbd3: not configured, cannot reconfigure 08:01:59 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000200), r1) sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f0000000200)={0x0, 0xfffff000, &(0x7f00000001c0)={&(0x7f0000000140)={0x1c, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x1c}}, 0x0) 08:01:59 executing program 5: r0 = syz_open_dev$ttys(0xc, 0x2, 0x1) ioctl$TCSETSW(r0, 0x5403, &(0x7f0000000540)={0x0, 0x0, 0xffffffff, 0x9, 0x0, "baf26a10e07ba77f1de09b779f3357c9c5a583"}) ioctl$TIOCMIWAIT(r0, 0x545c, 0x0) (async) r1 = syz_open_dev$ndb(&(0x7f00000002c0), 0x0, 0x0) ioctl$NBD_SET_SOCK(r1, 0x5421, 0xffffffffffffffff) 08:01:59 executing program 1: syz_open_dev$ndb(&(0x7f00000002c0), 0x0, 0x0) r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000200), r1) sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f0000000200)={0x0, 0xfffff000, &(0x7f00000001c0)={&(0x7f0000000140)={0x1c, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x1c}}, 0x0) [ 1282.066430] block nbd1: not configured, cannot reconfigure 08:01:59 executing program 2: r0 = openat$ptmx(0xffffffffffffff9c, &(0x7f0000000040), 0x0, 0x0) ioctl$KDSETMODE(r0, 0x4b3a, 0x1) r1 = syz_open_dev$ttys(0xc, 0x2, 0x1) ioctl$TCSETSW(r1, 0x5403, &(0x7f0000000540)={0x0, 0x0, 0xffffffff, 0x9, 0x0, "baf26a10e07ba77f1de09b779f3357c9c5a583"}) ioctl$TIOCL_UNBLANKSCREEN(r1, 0x541c, &(0x7f0000000000)) ioctl$TIOCGPTPEER(r0, 0x5441, 0xdbb8) 08:01:59 executing program 0: sendmsg$RDMA_NLDEV_CMD_DELLINK(0xffffffffffffffff, &(0x7f0000000180)={&(0x7f0000000080)={0x10, 0x0, 0x0, 0x8000000}, 0xc, &(0x7f0000000140)={&(0x7f00000000c0)={0x50, 0x1404, 0x8, 0x70bd2b, 0x25dfdbfb, "", [@RDMA_NLDEV_ATTR_DEV_INDEX={0x8}, @RDMA_NLDEV_ATTR_DEV_INDEX={0x8, 0x1, 0x1}, @RDMA_NLDEV_ATTR_DEV_INDEX={0x8, 0x1, 0x1}, @RDMA_NLDEV_ATTR_DEV_INDEX={0x8, 0x1, 0x2}, @RDMA_NLDEV_ATTR_DEV_INDEX={0x8}, @RDMA_NLDEV_ATTR_DEV_INDEX={0x8, 0x1, 0x2}, @RDMA_NLDEV_ATTR_DEV_INDEX={0x8, 0x1, 0x2}, @RDMA_NLDEV_ATTR_DEV_INDEX={0x8, 0x1, 0x5}]}, 0x50}, 0x1, 0x0, 0x0, 0x4c804}, 0x0) r0 = syz_init_net_socket$nl_rdma(0x10, 0x3, 0x10) sendmsg$BATADV_CMD_TP_METER_CANCEL(r0, &(0x7f0000001900)={&(0x7f0000001800), 0xc, 0x0}, 0x0) sendmsg$RDMA_NLDEV_CMD_DELLINK(r0, &(0x7f0000000280)={&(0x7f00000001c0)={0x10, 0x0, 0x0, 0x4}, 0xc, &(0x7f0000000240)={&(0x7f0000000200)={0x30, 0x1404, 0x24, 0x70bd26, 0x25dfdbfe, "", [@RDMA_NLDEV_ATTR_DEV_INDEX={0x8}, @RDMA_NLDEV_ATTR_DEV_INDEX={0x8, 0x1, 0x1}, @RDMA_NLDEV_ATTR_DEV_INDEX={0x8}, @RDMA_NLDEV_ATTR_DEV_INDEX={0x8, 0x1, 0x2}]}, 0x30}, 0x1, 0x0, 0x0, 0x4040000}, 0x4004000) r1 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) ioctl$AUTOFS_DEV_IOCTL_PROTOVER(0xffffffffffffffff, 0xc0189372, &(0x7f0000000040)={{0x1, 0x1, 0x18, r1, {0x1}}, './file0\x00'}) r3 = syz_init_net_socket$nl_rdma(0x10, 0x3, 0x10) sendmsg$BATADV_CMD_TP_METER_CANCEL(r3, &(0x7f0000001900)={&(0x7f0000001800), 0xc, 0x0}, 0x0) sendmsg$RDMA_NLDEV_CMD_STAT_GET(r3, &(0x7f0000000380)={&(0x7f00000002c0)={0x10, 0x0, 0x0, 0x4020400}, 0xc, &(0x7f0000000340)={&(0x7f0000000300)={0x30, 0x1411, 0x209, 0x70bd2c, 0x25dfdbff, "", [@RDMA_NLDEV_ATTR_STAT_RES={0x8, 0x4b, 0x13}, @RDMA_NLDEV_ATTR_STAT_MODE={0x8, 0x4a, 0x2}, @RDMA_NLDEV_ATTR_PORT_INDEX={0x8, 0x3, 0x1}, @RDMA_NLDEV_ATTR_RES_MRN={0x8}]}, 0x30}, 0x1, 0x0, 0x0, 0x4000041}, 0x4040000) ioctl$NBD_CLEAR_SOCK(r2, 0xab04) ioctl$NBD_SET_SOCK(r1, 0x5452, 0xffffffffffffffff) 08:01:59 executing program 5: r0 = socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$batadv(&(0x7f0000000480), 0xffffffffffffffff) sendmsg$BATADV_CMD_TP_METER_CANCEL(r0, &(0x7f0000000580)={0x0, 0x0, &(0x7f0000000540)={&(0x7f00000004c0)={0x14, r1, 0x1}, 0x14}}, 0x0) ioctl$ifreq_SIOCGIFINDEX_batadv_hard(0xffffffffffffffff, 0x8933, &(0x7f0000000040)={'batadv_slave_1\x00', 0x0}) sendmsg$BATADV_CMD_GET_VLAN(0xffffffffffffffff, &(0x7f0000000140)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x8000000}, 0xc, &(0x7f0000000100)={&(0x7f0000000080)={0x64, r1, 0x200, 0x70bd2c, 0x25dfdbfb, {}, [@BATADV_ATTR_GW_BANDWIDTH_UP={0x8}, @BATADV_ATTR_HARD_IFINDEX={0x8, 0x6, r2}, @BATADV_ATTR_MULTICAST_FORCEFLOOD_ENABLED={0x5, 0x37, 0x1}, @BATADV_ATTR_VLANID={0x6, 0x28, 0x3}, @BATADV_ATTR_ISOLATION_MASK={0x8, 0x2c, 0xcc6}, @BATADV_ATTR_DISTRIBUTED_ARP_TABLE_ENABLED={0x5}, @BATADV_ATTR_TPMETER_TEST_TIME={0x8, 0xb, 0x2}, @BATADV_ATTR_GW_MODE={0x5, 0x33, 0x2}, @BATADV_ATTR_ISOLATION_MARK={0x8, 0x2b, 0x9}, @BATADV_ATTR_DISTRIBUTED_ARP_TABLE_ENABLED={0x5}]}, 0x64}, 0x1, 0x0, 0x0, 0x44011}, 0x8800) r3 = syz_open_dev$ndb(&(0x7f00000002c0), 0x0, 0x0) sendmsg$BATADV_CMD_GET_ORIGINATORS(0xffffffffffffffff, &(0x7f0000000280)={&(0x7f0000000180)={0x10, 0x0, 0x0, 0x2}, 0xc, &(0x7f0000000240)={&(0x7f00000001c0)={0x54, r1, 0x2, 0x70bd2a, 0x25dfdbfe, {}, [@BATADV_ATTR_MULTICAST_FORCEFLOOD_ENABLED={0x5, 0x37, 0x1}, @BATADV_ATTR_ISOLATION_MASK={0x8, 0x2c, 0x5}, @BATADV_ATTR_GW_MODE={0x5}, @BATADV_ATTR_AGGREGATED_OGMS_ENABLED={0x5}, @BATADV_ATTR_BRIDGE_LOOP_AVOIDANCE_ENABLED={0x5, 0x2e, 0x1}, @BATADV_ATTR_BRIDGE_LOOP_AVOIDANCE_ENABLED={0x5}, @BATADV_ATTR_FRAGMENTATION_ENABLED={0x5, 0x30, 0x1}, @BATADV_ATTR_HARD_IFINDEX={0x8, 0x6, r2}]}, 0x54}, 0x1, 0x0, 0x0, 0x4000000}, 0x801) ioctl$NBD_SET_SOCK(r3, 0x5421, 0xffffffffffffffff) [ 1282.151912] block nbd3: not configured, cannot reconfigure [ 1282.186949] block nbd4: not configured, cannot reconfigure 08:01:59 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000200), r1) sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f0000000200)={0x0, 0xffffff7f, &(0x7f00000001c0)={&(0x7f0000000140)={0x1c, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x1c}}, 0x0) 08:01:59 executing program 4: syz_open_dev$ndb(&(0x7f00000002c0), 0x0, 0x0) r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000200), r1) sendmsg$NBD_CMD_RECONFIGURE(r0, 0x0, 0x20000000) [ 1282.212638] block nbd1: not configured, cannot reconfigure 08:01:59 executing program 1: syz_open_dev$ndb(&(0x7f00000002c0), 0x0, 0x0) r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000200), r1) sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f0000000200)={0x0, 0xffffff7f, &(0x7f00000001c0)={&(0x7f0000000140)={0x1c, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x1c}}, 0x0) 08:01:59 executing program 5: r0 = socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$batadv(&(0x7f0000000480), 0xffffffffffffffff) sendmsg$BATADV_CMD_TP_METER_CANCEL(r0, &(0x7f0000000580)={0x0, 0x0, &(0x7f0000000540)={&(0x7f00000004c0)={0x14, r1, 0x1}, 0x14}}, 0x0) (async) ioctl$ifreq_SIOCGIFINDEX_batadv_hard(0xffffffffffffffff, 0x8933, &(0x7f0000000040)={'batadv_slave_1\x00', 0x0}) sendmsg$BATADV_CMD_GET_VLAN(0xffffffffffffffff, &(0x7f0000000140)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x8000000}, 0xc, &(0x7f0000000100)={&(0x7f0000000080)={0x64, r1, 0x200, 0x70bd2c, 0x25dfdbfb, {}, [@BATADV_ATTR_GW_BANDWIDTH_UP={0x8}, @BATADV_ATTR_HARD_IFINDEX={0x8, 0x6, r2}, @BATADV_ATTR_MULTICAST_FORCEFLOOD_ENABLED={0x5, 0x37, 0x1}, @BATADV_ATTR_VLANID={0x6, 0x28, 0x3}, @BATADV_ATTR_ISOLATION_MASK={0x8, 0x2c, 0xcc6}, @BATADV_ATTR_DISTRIBUTED_ARP_TABLE_ENABLED={0x5}, @BATADV_ATTR_TPMETER_TEST_TIME={0x8, 0xb, 0x2}, @BATADV_ATTR_GW_MODE={0x5, 0x33, 0x2}, @BATADV_ATTR_ISOLATION_MARK={0x8, 0x2b, 0x9}, @BATADV_ATTR_DISTRIBUTED_ARP_TABLE_ENABLED={0x5}]}, 0x64}, 0x1, 0x0, 0x0, 0x44011}, 0x8800) (async) r3 = syz_open_dev$ndb(&(0x7f00000002c0), 0x0, 0x0) sendmsg$BATADV_CMD_GET_ORIGINATORS(0xffffffffffffffff, &(0x7f0000000280)={&(0x7f0000000180)={0x10, 0x0, 0x0, 0x2}, 0xc, &(0x7f0000000240)={&(0x7f00000001c0)={0x54, r1, 0x2, 0x70bd2a, 0x25dfdbfe, {}, [@BATADV_ATTR_MULTICAST_FORCEFLOOD_ENABLED={0x5, 0x37, 0x1}, @BATADV_ATTR_ISOLATION_MASK={0x8, 0x2c, 0x5}, @BATADV_ATTR_GW_MODE={0x5}, @BATADV_ATTR_AGGREGATED_OGMS_ENABLED={0x5}, @BATADV_ATTR_BRIDGE_LOOP_AVOIDANCE_ENABLED={0x5, 0x2e, 0x1}, @BATADV_ATTR_BRIDGE_LOOP_AVOIDANCE_ENABLED={0x5}, @BATADV_ATTR_FRAGMENTATION_ENABLED={0x5, 0x30, 0x1}, @BATADV_ATTR_HARD_IFINDEX={0x8, 0x6, r2}]}, 0x54}, 0x1, 0x0, 0x0, 0x4000000}, 0x801) ioctl$NBD_SET_SOCK(r3, 0x5421, 0xffffffffffffffff) [ 1282.384163] block nbd3: not configured, cannot reconfigure 08:01:59 executing program 2: r0 = openat$ptmx(0xffffffffffffff9c, &(0x7f0000000040), 0x0, 0x0) ioctl$KDSETMODE(r0, 0x4b3a, 0x1) (async) r1 = syz_open_dev$ttys(0xc, 0x2, 0x1) ioctl$TCSETSW(r1, 0x5403, &(0x7f0000000540)={0x0, 0x0, 0xffffffff, 0x9, 0x0, "baf26a10e07ba77f1de09b779f3357c9c5a583"}) ioctl$TIOCL_UNBLANKSCREEN(r1, 0x541c, &(0x7f0000000000)) (async, rerun: 32) ioctl$TIOCGPTPEER(r0, 0x5441, 0xdbb8) (rerun: 32) 08:01:59 executing program 4: syz_open_dev$ndb(&(0x7f00000002c0), 0x0, 0x0) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000200), r0) sendmsg$NBD_CMD_RECONFIGURE(0xffffffffffffffff, &(0x7f0000000200)={0x0, 0x0, &(0x7f00000001c0)={&(0x7f0000000140)={0x48, r1, 0x1, 0x70bd2d, 0x25dfdbfd, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x8}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x25}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}]}, 0x48}, 0x1, 0x0, 0x0, 0x8}, 0x20000000) 08:01:59 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000200), r1) sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f0000000200)={0x0, 0xffffff9e, &(0x7f00000001c0)={&(0x7f0000000140)={0x1c, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x1c}}, 0x0) 08:02:00 executing program 1: syz_open_dev$ndb(&(0x7f00000002c0), 0x0, 0x0) r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000200), r1) sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f0000000200)={0x0, 0xffffff9e, &(0x7f00000001c0)={&(0x7f0000000140)={0x1c, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x1c}}, 0x0) 08:02:00 executing program 4: r0 = syz_open_dev$ndb(&(0x7f00000002c0), 0x0, 0x0) ioctl$NBD_SET_SOCK(r0, 0x5452, 0xffffffffffffffff) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_DISCONNECT(r2, &(0x7f00000008c0)={0x0, 0x0, &(0x7f0000000880)={0x0}}, 0x1) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_DISCONNECT(r3, &(0x7f00000008c0)={0x0, 0x0, &(0x7f0000000880)={0x0}}, 0x1) r4 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r5 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r6 = syz_genetlink_get_family_id$nbd(&(0x7f0000000200), r5) sendmsg$NBD_CMD_DISCONNECT(r4, &(0x7f00000004c0)={&(0x7f00000003c0), 0xc, &(0x7f0000000480)={&(0x7f0000000400)={0x28, r6, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_BLOCK_SIZE_BYTES={0xc}, @NBD_ATTR_BACKEND_IDENTIFIER={0x5, 0xa, '^'}]}, 0x28}}, 0x0) r7 = socket(0x0, 0x1, 0x53) sendmsg$NBD_CMD_RECONFIGURE(r3, &(0x7f0000000240)={&(0x7f0000000140)={0x10, 0x0, 0x0, 0x800}, 0xc, &(0x7f0000000200)={&(0x7f0000000180)={0x54, r6, 0x300, 0x6, 0x25dfdbfb, {}, [@NBD_ATTR_BACKEND_IDENTIFIER={0x8, 0xa, 'nbd\x00'}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x10001}, @NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8, 0x1, r7}, {0x8}]}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x3}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x3000000}]}, 0x54}, 0x1, 0x0, 0x0, 0x1}, 0x20008415) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000100)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x20000}, 0xc, &(0x7f00000000c0)={&(0x7f0000000080)={0x20, 0x0, 0x2, 0x70bd2c, 0x25dfdbfb, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x22}]}, 0x20}, 0x1, 0x0, 0x0, 0x4000004}, 0x800) syz_genetlink_get_family_id$nbd(&(0x7f0000000000), r1) 08:02:00 executing program 0: sendmsg$RDMA_NLDEV_CMD_DELLINK(0xffffffffffffffff, &(0x7f0000000180)={&(0x7f0000000080)={0x10, 0x0, 0x0, 0x8000000}, 0xc, &(0x7f0000000140)={&(0x7f00000000c0)={0x50, 0x1404, 0x8, 0x70bd2b, 0x25dfdbfb, "", [@RDMA_NLDEV_ATTR_DEV_INDEX={0x8}, @RDMA_NLDEV_ATTR_DEV_INDEX={0x8, 0x1, 0x1}, @RDMA_NLDEV_ATTR_DEV_INDEX={0x8, 0x1, 0x1}, @RDMA_NLDEV_ATTR_DEV_INDEX={0x8, 0x1, 0x2}, @RDMA_NLDEV_ATTR_DEV_INDEX={0x8}, @RDMA_NLDEV_ATTR_DEV_INDEX={0x8, 0x1, 0x2}, @RDMA_NLDEV_ATTR_DEV_INDEX={0x8, 0x1, 0x2}, @RDMA_NLDEV_ATTR_DEV_INDEX={0x8, 0x1, 0x5}]}, 0x50}, 0x1, 0x0, 0x0, 0x4c804}, 0x0) (async) r0 = syz_init_net_socket$nl_rdma(0x10, 0x3, 0x10) sendmsg$BATADV_CMD_TP_METER_CANCEL(r0, &(0x7f0000001900)={&(0x7f0000001800), 0xc, 0x0}, 0x0) sendmsg$RDMA_NLDEV_CMD_DELLINK(r0, &(0x7f0000000280)={&(0x7f00000001c0)={0x10, 0x0, 0x0, 0x4}, 0xc, &(0x7f0000000240)={&(0x7f0000000200)={0x30, 0x1404, 0x24, 0x70bd26, 0x25dfdbfe, "", [@RDMA_NLDEV_ATTR_DEV_INDEX={0x8}, @RDMA_NLDEV_ATTR_DEV_INDEX={0x8, 0x1, 0x1}, @RDMA_NLDEV_ATTR_DEV_INDEX={0x8}, @RDMA_NLDEV_ATTR_DEV_INDEX={0x8, 0x1, 0x2}]}, 0x30}, 0x1, 0x0, 0x0, 0x4040000}, 0x4004000) r1 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) ioctl$AUTOFS_DEV_IOCTL_PROTOVER(0xffffffffffffffff, 0xc0189372, &(0x7f0000000040)={{0x1, 0x1, 0x18, r1, {0x1}}, './file0\x00'}) (async) r3 = syz_init_net_socket$nl_rdma(0x10, 0x3, 0x10) sendmsg$BATADV_CMD_TP_METER_CANCEL(r3, &(0x7f0000001900)={&(0x7f0000001800), 0xc, 0x0}, 0x0) sendmsg$RDMA_NLDEV_CMD_STAT_GET(r3, &(0x7f0000000380)={&(0x7f00000002c0)={0x10, 0x0, 0x0, 0x4020400}, 0xc, &(0x7f0000000340)={&(0x7f0000000300)={0x30, 0x1411, 0x209, 0x70bd2c, 0x25dfdbff, "", [@RDMA_NLDEV_ATTR_STAT_RES={0x8, 0x4b, 0x13}, @RDMA_NLDEV_ATTR_STAT_MODE={0x8, 0x4a, 0x2}, @RDMA_NLDEV_ATTR_PORT_INDEX={0x8, 0x3, 0x1}, @RDMA_NLDEV_ATTR_RES_MRN={0x8}]}, 0x30}, 0x1, 0x0, 0x0, 0x4000041}, 0x4040000) (async) ioctl$NBD_CLEAR_SOCK(r2, 0xab04) ioctl$NBD_SET_SOCK(r1, 0x5452, 0xffffffffffffffff) [ 1282.431530] block nbd1: not configured, cannot reconfigure [ 1282.468021] block nbd3: not configured, cannot reconfigure 08:02:00 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000200), r1) sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f0000000200)={0x0, 0xfffffff0, &(0x7f00000001c0)={&(0x7f0000000140)={0x1c, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x1c}}, 0x0) 08:02:00 executing program 2: r0 = openat$ptmx(0xffffffffffffff9c, &(0x7f0000000040), 0x0, 0x0) ioctl$KDSETMODE(r0, 0x4b3a, 0x1) r1 = syz_open_dev$ttys(0xc, 0x2, 0x1) ioctl$TCSETSW(r1, 0x5403, &(0x7f0000000540)={0x0, 0x0, 0xffffffff, 0x9, 0x0, "baf26a10e07ba77f1de09b779f3357c9c5a583"}) ioctl$TIOCL_UNBLANKSCREEN(r1, 0x541c, &(0x7f0000000000)) ioctl$TIOCGPTPEER(r0, 0x5441, 0xdbb8) openat$ptmx(0xffffffffffffff9c, &(0x7f0000000040), 0x0, 0x0) (async) ioctl$KDSETMODE(r0, 0x4b3a, 0x1) (async) syz_open_dev$ttys(0xc, 0x2, 0x1) (async) ioctl$TCSETSW(r1, 0x5403, &(0x7f0000000540)={0x0, 0x0, 0xffffffff, 0x9, 0x0, "baf26a10e07ba77f1de09b779f3357c9c5a583"}) (async) ioctl$TIOCL_UNBLANKSCREEN(r1, 0x541c, &(0x7f0000000000)) (async) ioctl$TIOCGPTPEER(r0, 0x5441, 0xdbb8) (async) 08:02:00 executing program 1: syz_open_dev$ndb(&(0x7f00000002c0), 0x0, 0x0) r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000200), r1) sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f0000000200)={0x0, 0xfffffff0, &(0x7f00000001c0)={&(0x7f0000000140)={0x1c, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x1c}}, 0x0) 08:02:00 executing program 5: r0 = socket$nl_generic(0x10, 0x3, 0x10) (async) r1 = syz_genetlink_get_family_id$batadv(&(0x7f0000000480), 0xffffffffffffffff) sendmsg$BATADV_CMD_TP_METER_CANCEL(r0, &(0x7f0000000580)={0x0, 0x0, &(0x7f0000000540)={&(0x7f00000004c0)={0x14, r1, 0x1}, 0x14}}, 0x0) ioctl$ifreq_SIOCGIFINDEX_batadv_hard(0xffffffffffffffff, 0x8933, &(0x7f0000000040)={'batadv_slave_1\x00', 0x0}) sendmsg$BATADV_CMD_GET_VLAN(0xffffffffffffffff, &(0x7f0000000140)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x8000000}, 0xc, &(0x7f0000000100)={&(0x7f0000000080)={0x64, r1, 0x200, 0x70bd2c, 0x25dfdbfb, {}, [@BATADV_ATTR_GW_BANDWIDTH_UP={0x8}, @BATADV_ATTR_HARD_IFINDEX={0x8, 0x6, r2}, @BATADV_ATTR_MULTICAST_FORCEFLOOD_ENABLED={0x5, 0x37, 0x1}, @BATADV_ATTR_VLANID={0x6, 0x28, 0x3}, @BATADV_ATTR_ISOLATION_MASK={0x8, 0x2c, 0xcc6}, @BATADV_ATTR_DISTRIBUTED_ARP_TABLE_ENABLED={0x5}, @BATADV_ATTR_TPMETER_TEST_TIME={0x8, 0xb, 0x2}, @BATADV_ATTR_GW_MODE={0x5, 0x33, 0x2}, @BATADV_ATTR_ISOLATION_MARK={0x8, 0x2b, 0x9}, @BATADV_ATTR_DISTRIBUTED_ARP_TABLE_ENABLED={0x5}]}, 0x64}, 0x1, 0x0, 0x0, 0x44011}, 0x8800) r3 = syz_open_dev$ndb(&(0x7f00000002c0), 0x0, 0x0) sendmsg$BATADV_CMD_GET_ORIGINATORS(0xffffffffffffffff, &(0x7f0000000280)={&(0x7f0000000180)={0x10, 0x0, 0x0, 0x2}, 0xc, &(0x7f0000000240)={&(0x7f00000001c0)={0x54, r1, 0x2, 0x70bd2a, 0x25dfdbfe, {}, [@BATADV_ATTR_MULTICAST_FORCEFLOOD_ENABLED={0x5, 0x37, 0x1}, @BATADV_ATTR_ISOLATION_MASK={0x8, 0x2c, 0x5}, @BATADV_ATTR_GW_MODE={0x5}, @BATADV_ATTR_AGGREGATED_OGMS_ENABLED={0x5}, @BATADV_ATTR_BRIDGE_LOOP_AVOIDANCE_ENABLED={0x5, 0x2e, 0x1}, @BATADV_ATTR_BRIDGE_LOOP_AVOIDANCE_ENABLED={0x5}, @BATADV_ATTR_FRAGMENTATION_ENABLED={0x5, 0x30, 0x1}, @BATADV_ATTR_HARD_IFINDEX={0x8, 0x6, r2}]}, 0x54}, 0x1, 0x0, 0x0, 0x4000000}, 0x801) (async) ioctl$NBD_SET_SOCK(r3, 0x5421, 0xffffffffffffffff) 08:02:00 executing program 0: sendmsg$RDMA_NLDEV_CMD_DELLINK(0xffffffffffffffff, &(0x7f0000000180)={&(0x7f0000000080)={0x10, 0x0, 0x0, 0x8000000}, 0xc, &(0x7f0000000140)={&(0x7f00000000c0)={0x50, 0x1404, 0x8, 0x70bd2b, 0x25dfdbfb, "", [@RDMA_NLDEV_ATTR_DEV_INDEX={0x8}, @RDMA_NLDEV_ATTR_DEV_INDEX={0x8, 0x1, 0x1}, @RDMA_NLDEV_ATTR_DEV_INDEX={0x8, 0x1, 0x1}, @RDMA_NLDEV_ATTR_DEV_INDEX={0x8, 0x1, 0x2}, @RDMA_NLDEV_ATTR_DEV_INDEX={0x8}, @RDMA_NLDEV_ATTR_DEV_INDEX={0x8, 0x1, 0x2}, @RDMA_NLDEV_ATTR_DEV_INDEX={0x8, 0x1, 0x2}, @RDMA_NLDEV_ATTR_DEV_INDEX={0x8, 0x1, 0x5}]}, 0x50}, 0x1, 0x0, 0x0, 0x4c804}, 0x0) (async) r0 = syz_init_net_socket$nl_rdma(0x10, 0x3, 0x10) sendmsg$BATADV_CMD_TP_METER_CANCEL(r0, &(0x7f0000001900)={&(0x7f0000001800), 0xc, 0x0}, 0x0) sendmsg$RDMA_NLDEV_CMD_DELLINK(r0, &(0x7f0000000280)={&(0x7f00000001c0)={0x10, 0x0, 0x0, 0x4}, 0xc, &(0x7f0000000240)={&(0x7f0000000200)={0x30, 0x1404, 0x24, 0x70bd26, 0x25dfdbfe, "", [@RDMA_NLDEV_ATTR_DEV_INDEX={0x8}, @RDMA_NLDEV_ATTR_DEV_INDEX={0x8, 0x1, 0x1}, @RDMA_NLDEV_ATTR_DEV_INDEX={0x8}, @RDMA_NLDEV_ATTR_DEV_INDEX={0x8, 0x1, 0x2}]}, 0x30}, 0x1, 0x0, 0x0, 0x4040000}, 0x4004000) (async, rerun: 32) r1 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) (rerun: 32) ioctl$AUTOFS_DEV_IOCTL_PROTOVER(0xffffffffffffffff, 0xc0189372, &(0x7f0000000040)={{0x1, 0x1, 0x18, r1, {0x1}}, './file0\x00'}) (async) r3 = syz_init_net_socket$nl_rdma(0x10, 0x3, 0x10) sendmsg$BATADV_CMD_TP_METER_CANCEL(r3, &(0x7f0000001900)={&(0x7f0000001800), 0xc, 0x0}, 0x0) sendmsg$RDMA_NLDEV_CMD_STAT_GET(r3, &(0x7f0000000380)={&(0x7f00000002c0)={0x10, 0x0, 0x0, 0x4020400}, 0xc, &(0x7f0000000340)={&(0x7f0000000300)={0x30, 0x1411, 0x209, 0x70bd2c, 0x25dfdbff, "", [@RDMA_NLDEV_ATTR_STAT_RES={0x8, 0x4b, 0x13}, @RDMA_NLDEV_ATTR_STAT_MODE={0x8, 0x4a, 0x2}, @RDMA_NLDEV_ATTR_PORT_INDEX={0x8, 0x3, 0x1}, @RDMA_NLDEV_ATTR_RES_MRN={0x8}]}, 0x30}, 0x1, 0x0, 0x0, 0x4000041}, 0x4040000) (async) ioctl$NBD_CLEAR_SOCK(r2, 0xab04) (async) ioctl$NBD_SET_SOCK(r1, 0x5452, 0xffffffffffffffff) [ 1282.507215] block nbd1: not configured, cannot reconfigure [ 1282.543194] nbd: must specify an index to disconnect 08:02:00 executing program 4: r0 = syz_open_dev$ndb(&(0x7f00000002c0), 0x0, 0x0) ioctl$NBD_SET_SOCK(r0, 0x5421, 0xffffffffffffffff) r1 = syz_open_dev$vcsn(&(0x7f0000000140), 0x1, 0x0) ioctl$MEDIA_IOC_REQUEST_ALLOC(r1, 0x80047c05, &(0x7f0000000180)) r2 = syz_open_dev$vcsn(&(0x7f0000000140), 0x1, 0x0) ioctl$MEDIA_IOC_REQUEST_ALLOC(r2, 0x80047c05, &(0x7f0000000180)) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) 08:02:00 executing program 2: r0 = openat$ptmx(0xffffffffffffff9c, &(0x7f0000000040), 0x0, 0x0) ioctl$TIOCGPTPEER(r0, 0x5441, 0xdbb9) ioctl$TIOCSERGETLSR(r0, 0x5459, &(0x7f0000000000)) 08:02:00 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000200), r1) sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f0000000200)={0x0, 0xffffffff, &(0x7f00000001c0)={&(0x7f0000000140)={0x1c, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x1c}}, 0x0) 08:02:00 executing program 5: r0 = syz_open_dev$ndb(&(0x7f00000002c0), 0x0, 0x0) ioctl$NBD_SET_SOCK(r0, 0x5421, 0xffffffffffffffff) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_STATUS(r1, &(0x7f0000000700)={&(0x7f00000001c0)={0x10, 0x0, 0x0, 0x4000}, 0xc, &(0x7f0000000280)={&(0x7f0000000200)={0x44, 0x0, 0x0, 0x70bd2a, 0x25dfdbfe, {}, [@NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x5}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_BACKEND_IDENTIFIER={0xe, 0xa, '/dev/nbd#\x00'}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x44}, 0x1, 0x0, 0x0, 0x40000}, 0x4801) connect$unix(0xffffffffffffffff, &(0x7f0000000100)=@abs={0x1, 0x0, 0x4e21}, 0x6e) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f00000008c0)={0x0, 0x0, &(0x7f0000000880)={0x0}}, 0x1) sendmsg$NL80211_CMD_GET_SCAN(0xffffffffffffffff, &(0x7f0000000800)={&(0x7f0000000740)={0x10, 0x0, 0x0, 0x40000}, 0xc, &(0x7f00000007c0)={&(0x7f0000000780)={0x1c, 0x0, 0x1, 0x70bd27, 0x25dfdbfb, {{}, {@val={0x8}, @void}}, ["", "", ""]}, 0x1c}, 0x1, 0x0, 0x0, 0x40}, 0x4000001) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f00000000c0)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x400000}, 0xc, &(0x7f0000000080)={&(0x7f0000000040)={0x40, 0x0, 0x400, 0x70bd25, 0x25dfdbff, {}, [@NBD_ATTR_TIMEOUT={0xc}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x7}, @NBD_ATTR_BACKEND_IDENTIFIER={0x5, 0xa, '%'}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x3}]}, 0x40}, 0x1, 0x0, 0x0, 0x8000}, 0x20000001) open(&(0x7f0000000840)='./file0\x00', 0x12000, 0x2) ioctl$PIO_FONTX(0xffffffffffffffff, 0x4b6c, &(0x7f0000000180)={0x176, 0x16, &(0x7f0000000300)="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"}) [ 1282.588973] block nbd3: not configured, cannot reconfigure [ 1282.627272] block nbd1: not configured, cannot reconfigure 08:02:00 executing program 1: syz_open_dev$ndb(&(0x7f00000002c0), 0x0, 0x0) r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000200), r1) sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f0000000200)={0x0, 0xffffffff, &(0x7f00000001c0)={&(0x7f0000000140)={0x1c, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x1c}}, 0x0) 08:02:00 executing program 4: syz_open_dev$ndb(&(0x7f00000002c0), 0x0, 0x0) r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000200), r1) sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f0000000200)={0x0, 0x0, &(0x7f00000001c0)={&(0x7f0000000140)={0x1c, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x1c}}, 0x0) (fail_nth: 1) 08:02:00 executing program 0: r0 = syz_open_dev$ndb(&(0x7f00000002c0), 0x0, 0x0) ioctl$AUTOFS_DEV_IOCTL_REQUESTER(0xffffffffffffffff, 0xc018937b, &(0x7f0000000000)={{0x1, 0x1, 0x18, r0, {0xee00, 0xee01}}, './file0\x00'}) ioctl$KDGETKEYCODE(r1, 0x4b4c, &(0x7f0000000040)={0x31019d63, 0x1}) ioctl$NBD_SET_SOCK(r0, 0x5452, 0xffffffffffffffff) 08:02:00 executing program 2: r0 = openat$ptmx(0xffffffffffffff9c, &(0x7f0000000040), 0x0, 0x0) ioctl$TIOCGPTPEER(r0, 0x5441, 0xdbb9) ioctl$TIOCSERGETLSR(r0, 0x5459, &(0x7f0000000000)) openat$ptmx(0xffffffffffffff9c, &(0x7f0000000040), 0x0, 0x0) (async) ioctl$TIOCGPTPEER(r0, 0x5441, 0xdbb9) (async) ioctl$TIOCSERGETLSR(r0, 0x5459, &(0x7f0000000000)) (async) 08:02:00 executing program 5: r0 = syz_open_dev$ndb(&(0x7f00000002c0), 0x0, 0x0) ioctl$NBD_SET_SOCK(r0, 0x5421, 0xffffffffffffffff) (async) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_STATUS(r1, &(0x7f0000000700)={&(0x7f00000001c0)={0x10, 0x0, 0x0, 0x4000}, 0xc, &(0x7f0000000280)={&(0x7f0000000200)={0x44, 0x0, 0x0, 0x70bd2a, 0x25dfdbfe, {}, [@NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x5}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_BACKEND_IDENTIFIER={0xe, 0xa, '/dev/nbd#\x00'}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x44}, 0x1, 0x0, 0x0, 0x40000}, 0x4801) (async) connect$unix(0xffffffffffffffff, &(0x7f0000000100)=@abs={0x1, 0x0, 0x4e21}, 0x6e) (async) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f00000008c0)={0x0, 0x0, &(0x7f0000000880)={0x0}}, 0x1) sendmsg$NL80211_CMD_GET_SCAN(0xffffffffffffffff, &(0x7f0000000800)={&(0x7f0000000740)={0x10, 0x0, 0x0, 0x40000}, 0xc, &(0x7f00000007c0)={&(0x7f0000000780)={0x1c, 0x0, 0x1, 0x70bd27, 0x25dfdbfb, {{}, {@val={0x8}, @void}}, ["", "", ""]}, 0x1c}, 0x1, 0x0, 0x0, 0x40}, 0x4000001) (async) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f00000000c0)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x400000}, 0xc, &(0x7f0000000080)={&(0x7f0000000040)={0x40, 0x0, 0x400, 0x70bd25, 0x25dfdbff, {}, [@NBD_ATTR_TIMEOUT={0xc}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x7}, @NBD_ATTR_BACKEND_IDENTIFIER={0x5, 0xa, '%'}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x3}]}, 0x40}, 0x1, 0x0, 0x0, 0x8000}, 0x20000001) open(&(0x7f0000000840)='./file0\x00', 0x12000, 0x2) (async) ioctl$PIO_FONTX(0xffffffffffffffff, 0x4b6c, &(0x7f0000000180)={0x176, 0x16, &(0x7f0000000300)="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"}) 08:02:00 executing program 1: syz_open_dev$ndb(&(0x7f00000002c0), 0x0, 0x0) r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000200), r1) sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f0000000200)={0x0, 0x0, &(0x7f00000001c0)={&(0x7f0000000140)={0xf, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x1c}}, 0x0) 08:02:00 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000200), r1) sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f0000000200)={0x0, 0x0, &(0x7f00000001c0)={&(0x7f0000000140)={0xf, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x1c}}, 0x0) [ 1282.713210] block nbd3: not configured, cannot reconfigure [ 1282.740770] block nbd1: not configured, cannot reconfigure [ 1282.749715] FAULT_INJECTION: forcing a failure. [ 1282.749715] name failslab, interval 1, probability 0, space 0, times 0 08:02:00 executing program 2: r0 = openat$ptmx(0xffffffffffffff9c, &(0x7f0000000040), 0x0, 0x0) ioctl$TIOCGPTPEER(r0, 0x5441, 0xdbb9) (async) ioctl$TIOCSERGETLSR(r0, 0x5459, &(0x7f0000000000)) [ 1282.814840] CPU: 0 PID: 25379 Comm: syz-executor.4 Not tainted 4.19.211-syzkaller #0 [ 1282.822741] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/16/2023 [ 1282.832105] Call Trace: [ 1282.834704] dump_stack+0x1fc/0x2ef [ 1282.838344] should_fail.cold+0xa/0xf [ 1282.842171] ? setup_fault_attr+0x200/0x200 [ 1282.846503] ? lock_acquire+0x170/0x3c0 [ 1282.850493] __should_failslab+0x115/0x180 [ 1282.854734] should_failslab+0x5/0x10 [ 1282.858545] kmem_cache_alloc_node+0x245/0x3b0 [ 1282.863134] __alloc_skb+0x71/0x560 [ 1282.866773] netlink_sendmsg+0x9f6/0xc50 [ 1282.870846] ? aa_af_perm+0x230/0x230 [ 1282.874652] ? nlmsg_notify+0x1f0/0x1f0 [ 1282.878630] ? kernel_recvmsg+0x220/0x220 [ 1282.882788] ? nlmsg_notify+0x1f0/0x1f0 [ 1282.886771] sock_sendmsg+0xc3/0x120 [ 1282.890492] ___sys_sendmsg+0x7bb/0x8e0 [ 1282.894478] ? check_preemption_disabled+0x41/0x280 [ 1282.899538] ? copy_msghdr_from_user+0x440/0x440 [ 1282.904303] ? __fget+0x32f/0x510 [ 1282.907770] ? lock_downgrade+0x720/0x720 [ 1282.911923] ? check_preemption_disabled+0x41/0x280 [ 1282.916946] ? check_preemption_disabled+0x41/0x280 [ 1282.921972] ? __fget+0x356/0x510 [ 1282.925489] ? do_dup2+0x450/0x450 [ 1282.929035] ? lock_downgrade+0x720/0x720 [ 1282.933189] ? vfs_write+0x3d7/0x540 [ 1282.936918] ? __fdget+0x1d0/0x230 [ 1282.940471] __x64_sys_sendmsg+0x132/0x220 [ 1282.944709] ? __sys_sendmsg+0x1b0/0x1b0 [ 1282.948774] ? vfs_write+0x393/0x540 [ 1282.952505] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 1282.957876] ? trace_hardirqs_off_caller+0x6e/0x210 08:02:00 executing program 5: r0 = syz_open_dev$ndb(&(0x7f00000002c0), 0x0, 0x0) ioctl$NBD_SET_SOCK(r0, 0x5421, 0xffffffffffffffff) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_STATUS(r1, &(0x7f0000000700)={&(0x7f00000001c0)={0x10, 0x0, 0x0, 0x4000}, 0xc, &(0x7f0000000280)={&(0x7f0000000200)={0x44, 0x0, 0x0, 0x70bd2a, 0x25dfdbfe, {}, [@NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x5}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_BACKEND_IDENTIFIER={0xe, 0xa, '/dev/nbd#\x00'}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x44}, 0x1, 0x0, 0x0, 0x40000}, 0x4801) connect$unix(0xffffffffffffffff, &(0x7f0000000100)=@abs={0x1, 0x0, 0x4e21}, 0x6e) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f00000008c0)={0x0, 0x0, &(0x7f0000000880)={0x0}}, 0x1) sendmsg$NL80211_CMD_GET_SCAN(0xffffffffffffffff, &(0x7f0000000800)={&(0x7f0000000740)={0x10, 0x0, 0x0, 0x40000}, 0xc, &(0x7f00000007c0)={&(0x7f0000000780)={0x1c, 0x0, 0x1, 0x70bd27, 0x25dfdbfb, {{}, {@val={0x8}, @void}}, ["", "", ""]}, 0x1c}, 0x1, 0x0, 0x0, 0x40}, 0x4000001) (async) sendmsg$NL80211_CMD_GET_SCAN(0xffffffffffffffff, &(0x7f0000000800)={&(0x7f0000000740)={0x10, 0x0, 0x0, 0x40000}, 0xc, &(0x7f00000007c0)={&(0x7f0000000780)={0x1c, 0x0, 0x1, 0x70bd27, 0x25dfdbfb, {{}, {@val={0x8}, @void}}, ["", "", ""]}, 0x1c}, 0x1, 0x0, 0x0, 0x40}, 0x4000001) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f00000000c0)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x400000}, 0xc, &(0x7f0000000080)={&(0x7f0000000040)={0x40, 0x0, 0x400, 0x70bd25, 0x25dfdbff, {}, [@NBD_ATTR_TIMEOUT={0xc}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x7}, @NBD_ATTR_BACKEND_IDENTIFIER={0x5, 0xa, '%'}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x3}]}, 0x40}, 0x1, 0x0, 0x0, 0x8000}, 0x20000001) (async) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f00000000c0)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x400000}, 0xc, &(0x7f0000000080)={&(0x7f0000000040)={0x40, 0x0, 0x400, 0x70bd25, 0x25dfdbff, {}, [@NBD_ATTR_TIMEOUT={0xc}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x7}, @NBD_ATTR_BACKEND_IDENTIFIER={0x5, 0xa, '%'}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x3}]}, 0x40}, 0x1, 0x0, 0x0, 0x8000}, 0x20000001) open(&(0x7f0000000840)='./file0\x00', 0x12000, 0x2) ioctl$PIO_FONTX(0xffffffffffffffff, 0x4b6c, &(0x7f0000000180)={0x176, 0x16, &(0x7f0000000300)="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"}) 08:02:00 executing program 0: r0 = syz_open_dev$ndb(&(0x7f00000002c0), 0x0, 0x0) ioctl$AUTOFS_DEV_IOCTL_REQUESTER(0xffffffffffffffff, 0xc018937b, &(0x7f0000000000)={{0x1, 0x1, 0x18, r0, {0xee00, 0xee01}}, './file0\x00'}) ioctl$KDGETKEYCODE(r1, 0x4b4c, &(0x7f0000000040)={0x31019d63, 0x1}) ioctl$NBD_SET_SOCK(r0, 0x5452, 0xffffffffffffffff) [ 1282.962899] ? do_syscall_64+0x21/0x620 [ 1282.966881] do_syscall_64+0xf9/0x620 [ 1282.970688] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 1282.975876] RIP: 0033:0x7f37ed20d0f9 [ 1282.979606] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 f1 19 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48 [ 1282.998506] RSP: 002b:00007f37eb77f168 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 1283.006217] RAX: ffffffffffffffda RBX: 00007f37ed32cf80 RCX: 00007f37ed20d0f9 08:02:00 executing program 5: ioctl$AUTOFS_DEV_IOCTL_PROTOVER(0xffffffffffffffff, 0xc0189372, &(0x7f0000000080)=ANY=[@ANYBLOB="010000000100000018000000", @ANYRES32=0xffffffffffffffff, @ANYBLOB="0881d780f0b38472079100108400c47fb858351c76000000f81f2e2f66696c6530069fdbfc014bff07919fc07446ce"]) ioctl$NBD_SET_BLKSIZE(r0, 0xab01, 0x1000) r1 = syz_open_dev$ndb(&(0x7f00000002c0), 0x0, 0x0) ioctl$NBD_SET_SOCK(r1, 0x5421, 0xffffffffffffffff) write$apparmor_current(0xffffffffffffffff, &(0x7f0000000000)=@profile={'changeprofile ', '/@!\x00'}, 0x12) r2 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x145000) ioctl$NBD_CLEAR_SOCK(r2, 0xab04) 08:02:00 executing program 1: syz_open_dev$ndb(&(0x7f00000002c0), 0x0, 0x0) r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000200), r1) sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f0000000200)={0x0, 0x0, &(0x7f00000001c0)={&(0x7f0000000140)={0x14, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x1c}}, 0x0) 08:02:00 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000200), r1) sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f0000000200)={0x0, 0x0, &(0x7f00000001c0)={&(0x7f0000000140)={0x14, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x1c}}, 0x0) [ 1283.013485] RDX: 0000000000000000 RSI: 0000000020000200 RDI: 0000000000000005 [ 1283.020758] RBP: 00007f37eb77f1d0 R08: 0000000000000000 R09: 0000000000000000 [ 1283.028030] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001 [ 1283.035301] R13: 00007ffd31b8241f R14: 00007f37eb77f300 R15: 0000000000022000 [ 1283.086961] nbd: must specify a device to reconfigure 08:02:00 executing program 4: syz_open_dev$ndb(&(0x7f00000002c0), 0x0, 0x0) r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000200), r1) sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f0000000200)={0x0, 0x0, &(0x7f00000001c0)={&(0x7f0000000140)={0x1c, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x1c}}, 0x0) (fail_nth: 2) 08:02:00 executing program 2: r0 = openat$ptmx(0xffffffffffffff9c, &(0x7f0000000040), 0x0, 0x0) ioctl$TIOCGPTPEER(r0, 0x5441, 0xdbb8) r1 = seccomp$SECCOMP_SET_MODE_FILTER_LISTENER(0x1, 0x8, &(0x7f0000000080)={0x8, &(0x7f0000000000)=[{0x6fad, 0x80, 0x1, 0x4}, {0x5, 0x81, 0x1f, 0x6}, {0x7fff, 0x2, 0x3, 0x4}, {0x3ff, 0x20, 0x4, 0x9}, {0x1, 0x0, 0x2, 0x1000}, {0x0, 0x7, 0x1f, 0x8}, {0xd313, 0x20, 0x4, 0x3}, {0xb01, 0x5, 0x8, 0x3}]}) ioctl$SECCOMP_IOCTL_NOTIF_SEND(r1, 0xc0182101, &(0x7f00000000c0)={0x0, 0x238ba36e, 0xfff}) 08:02:00 executing program 0: syz_open_dev$ndb(&(0x7f00000002c0), 0x0, 0x0) (async) r0 = syz_open_dev$ndb(&(0x7f00000002c0), 0x0, 0x0) ioctl$AUTOFS_DEV_IOCTL_REQUESTER(0xffffffffffffffff, 0xc018937b, &(0x7f0000000000)={{0x1, 0x1, 0x18, r0, {0xee00, 0xee01}}, './file0\x00'}) ioctl$KDGETKEYCODE(r1, 0x4b4c, &(0x7f0000000040)={0x31019d63, 0x1}) ioctl$NBD_SET_SOCK(r0, 0x5452, 0xffffffffffffffff) 08:02:00 executing program 5: ioctl$AUTOFS_DEV_IOCTL_PROTOVER(0xffffffffffffffff, 0xc0189372, &(0x7f0000000080)=ANY=[@ANYBLOB="010000000100000018000000", @ANYRES32=0xffffffffffffffff, @ANYBLOB="0881d780f0b38472079100108400c47fb858351c76000000f81f2e2f66696c6530069fdbfc014bff07919fc07446ce"]) ioctl$NBD_SET_BLKSIZE(r0, 0xab01, 0x1000) r1 = syz_open_dev$ndb(&(0x7f00000002c0), 0x0, 0x0) ioctl$NBD_SET_SOCK(r1, 0x5421, 0xffffffffffffffff) write$apparmor_current(0xffffffffffffffff, &(0x7f0000000000)=@profile={'changeprofile ', '/@!\x00'}, 0x12) r2 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x145000) ioctl$NBD_CLEAR_SOCK(r2, 0xab04) ioctl$AUTOFS_DEV_IOCTL_PROTOVER(0xffffffffffffffff, 0xc0189372, &(0x7f0000000080)=ANY=[@ANYBLOB="010000000100000018000000", @ANYRES32, @ANYBLOB="0881d780f0b38472079100108400c47fb858351c76000000f81f2e2f66696c6530069fdbfc014bff07919fc07446ce"]) (async) ioctl$NBD_SET_BLKSIZE(r0, 0xab01, 0x1000) (async) syz_open_dev$ndb(&(0x7f00000002c0), 0x0, 0x0) (async) ioctl$NBD_SET_SOCK(r1, 0x5421, 0xffffffffffffffff) (async) write$apparmor_current(0xffffffffffffffff, &(0x7f0000000000)=@profile={'changeprofile ', '/@!\x00'}, 0x12) (async) syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x145000) (async) ioctl$NBD_CLEAR_SOCK(r2, 0xab04) (async) 08:02:00 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000200), r1) sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f0000000200)={0x0, 0x0, &(0x7f00000001c0)={&(0x7f0000000140)={0x3e, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x1c}}, 0x0) 08:02:00 executing program 2: r0 = openat$ptmx(0xffffffffffffff9c, &(0x7f0000000040), 0x0, 0x0) ioctl$TIOCGPTPEER(r0, 0x5441, 0xdbb8) r1 = seccomp$SECCOMP_SET_MODE_FILTER_LISTENER(0x1, 0x8, &(0x7f0000000080)={0x8, &(0x7f0000000000)=[{0x6fad, 0x80, 0x1, 0x4}, {0x5, 0x81, 0x1f, 0x6}, {0x7fff, 0x2, 0x3, 0x4}, {0x3ff, 0x20, 0x4, 0x9}, {0x1, 0x0, 0x2, 0x1000}, {0x0, 0x7, 0x1f, 0x8}, {0xd313, 0x20, 0x4, 0x3}, {0xb01, 0x5, 0x8, 0x3}]}) ioctl$SECCOMP_IOCTL_NOTIF_SEND(r1, 0xc0182101, &(0x7f00000000c0)={0x0, 0x238ba36e, 0xfff}) [ 1283.164209] nbd: must specify a device to reconfigure 08:02:00 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000200), r1) sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f0000000200)={0x0, 0x0, &(0x7f00000001c0)={&(0x7f0000000140)={0xc0, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x1c}}, 0x0) 08:02:00 executing program 1: syz_open_dev$ndb(&(0x7f00000002c0), 0x0, 0x0) r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000200), r1) sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f0000000200)={0x0, 0x0, &(0x7f00000001c0)={&(0x7f0000000140)={0x3e, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x1c}}, 0x0) 08:02:00 executing program 0: r0 = syz_open_dev$ndb(&(0x7f00000002c0), 0x0, 0x2a0500) ioctl$NBD_SET_SOCK(r0, 0x5452, 0xffffffffffffffff) 08:02:00 executing program 5: ioctl$AUTOFS_DEV_IOCTL_PROTOVER(0xffffffffffffffff, 0xc0189372, &(0x7f0000000080)=ANY=[@ANYBLOB="010000000100000018000000", @ANYRES32=0xffffffffffffffff, @ANYBLOB="0881d780f0b38472079100108400c47fb858351c76000000f81f2e2f66696c6530069fdbfc014bff07919fc07446ce"]) (async) ioctl$NBD_SET_BLKSIZE(r0, 0xab01, 0x1000) (async) r1 = syz_open_dev$ndb(&(0x7f00000002c0), 0x0, 0x0) ioctl$NBD_SET_SOCK(r1, 0x5421, 0xffffffffffffffff) (async) write$apparmor_current(0xffffffffffffffff, &(0x7f0000000000)=@profile={'changeprofile ', '/@!\x00'}, 0x12) (async) r2 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x145000) ioctl$NBD_CLEAR_SOCK(r2, 0xab04) 08:02:00 executing program 2: r0 = openat$ptmx(0xffffffffffffff9c, &(0x7f0000000040), 0x0, 0x0) ioctl$TIOCGPTPEER(r0, 0x5441, 0xdbb8) (async) r1 = seccomp$SECCOMP_SET_MODE_FILTER_LISTENER(0x1, 0x8, &(0x7f0000000080)={0x8, &(0x7f0000000000)=[{0x6fad, 0x80, 0x1, 0x4}, {0x5, 0x81, 0x1f, 0x6}, {0x7fff, 0x2, 0x3, 0x4}, {0x3ff, 0x20, 0x4, 0x9}, {0x1, 0x0, 0x2, 0x1000}, {0x0, 0x7, 0x1f, 0x8}, {0xd313, 0x20, 0x4, 0x3}, {0xb01, 0x5, 0x8, 0x3}]}) ioctl$SECCOMP_IOCTL_NOTIF_SEND(r1, 0xc0182101, &(0x7f00000000c0)={0x0, 0x238ba36e, 0xfff}) 08:02:00 executing program 1: syz_open_dev$ndb(&(0x7f00000002c0), 0x0, 0x0) r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000200), r1) sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f0000000200)={0x0, 0x0, &(0x7f00000001c0)={&(0x7f0000000140)={0xc0, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x1c}}, 0x0) [ 1283.243172] FAULT_INJECTION: forcing a failure. [ 1283.243172] name failslab, interval 1, probability 0, space 0, times 0 [ 1283.314567] CPU: 0 PID: 25440 Comm: syz-executor.4 Not tainted 4.19.211-syzkaller #0 [ 1283.322473] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/16/2023 [ 1283.331972] Call Trace: [ 1283.334568] dump_stack+0x1fc/0x2ef [ 1283.338205] should_fail.cold+0xa/0xf [ 1283.342017] ? setup_fault_attr+0x200/0x200 [ 1283.346339] ? lock_acquire+0x170/0x3c0 [ 1283.350327] __should_failslab+0x115/0x180 [ 1283.354568] should_failslab+0x5/0x10 [ 1283.358376] kmem_cache_alloc_node_trace+0x244/0x3b0 [ 1283.363491] __kmalloc_node_track_caller+0x38/0x70 [ 1283.368428] __alloc_skb+0xae/0x560 [ 1283.372066] netlink_sendmsg+0x9f6/0xc50 [ 1283.376137] ? aa_af_perm+0x230/0x230 [ 1283.379945] ? nlmsg_notify+0x1f0/0x1f0 [ 1283.383928] ? kernel_recvmsg+0x220/0x220 [ 1283.388126] ? nlmsg_notify+0x1f0/0x1f0 [ 1283.392108] sock_sendmsg+0xc3/0x120 [ 1283.395825] ___sys_sendmsg+0x7bb/0x8e0 [ 1283.399809] ? check_preemption_disabled+0x41/0x280 [ 1283.404830] ? copy_msghdr_from_user+0x440/0x440 [ 1283.409593] ? __fget+0x32f/0x510 [ 1283.413057] ? lock_downgrade+0x720/0x720 [ 1283.417215] ? check_preemption_disabled+0x41/0x280 [ 1283.422236] ? check_preemption_disabled+0x41/0x280 [ 1283.427259] ? __fget+0x356/0x510 [ 1283.430721] ? do_dup2+0x450/0x450 [ 1283.434266] ? lock_downgrade+0x720/0x720 [ 1283.438420] ? vfs_write+0x3d7/0x540 [ 1283.442147] ? __fdget+0x1d0/0x230 [ 1283.445699] __x64_sys_sendmsg+0x132/0x220 [ 1283.449945] ? __sys_sendmsg+0x1b0/0x1b0 [ 1283.454010] ? vfs_write+0x393/0x540 [ 1283.457743] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 1283.463113] ? trace_hardirqs_off_caller+0x6e/0x210 [ 1283.468142] ? do_syscall_64+0x21/0x620 [ 1283.472111] do_syscall_64+0xf9/0x620 [ 1283.475901] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 1283.481070] RIP: 0033:0x7f37ed20d0f9 [ 1283.484765] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 f1 19 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48 [ 1283.503686] RSP: 002b:00007f37eb77f168 EFLAGS: 00000246 ORIG_RAX: 000000000000002e 08:02:01 executing program 4: syz_open_dev$ndb(&(0x7f00000002c0), 0x0, 0x0) r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000200), r1) sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f0000000200)={0x0, 0x0, &(0x7f00000001c0)={&(0x7f0000000140)={0x1c, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x1c}}, 0x0) (fail_nth: 3) 08:02:01 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000200), r1) sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f0000000200)={0x0, 0x0, &(0x7f00000001c0)={&(0x7f0000000140)={0xec0, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x1c}}, 0x0) 08:02:01 executing program 5: r0 = syz_open_dev$ndb(&(0x7f00000002c0), 0x0, 0x0) ioctl$NBD_SET_SOCK(r0, 0x5421, 0xffffffffffffffff) r1 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x244a60) ioctl$NBD_CLEAR_QUE(r1, 0xab05) 08:02:01 executing program 0: r0 = syz_open_dev$ndb(&(0x7f00000002c0), 0x0, 0x2a0500) ioctl$NBD_SET_SOCK(r0, 0x5452, 0xffffffffffffffff) 08:02:01 executing program 1: syz_open_dev$ndb(&(0x7f00000002c0), 0x0, 0x0) r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000200), r1) sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f0000000200)={0x0, 0x0, &(0x7f00000001c0)={&(0x7f0000000140)={0xec0, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x1c}}, 0x0) 08:02:01 executing program 2: r0 = openat$ptmx(0xffffffffffffff9c, &(0x7f0000000040), 0x0, 0x0) r1 = ioctl$TIOCGPTPEER(r0, 0x5441, 0xdbb8) ioctl$TIOCMBIC(0xffffffffffffffff, 0x5417, &(0x7f0000000000)=0x3) ioctl$KDGKBSENT(r1, 0x4b48, &(0x7f0000000080)={0x20, "98b1c658a11fec8879bb93ef402411c4afd4a5a557a0b20ab8272dd3ac682ce60a8a2c3195f6ab704a790c13c70727359d6ac56253011fd06c415f8ef085879664f94a724c3c44f62c2a41092a8a89700930b9a07e0f3098656a07887b931074ed87d2bc46ef62fe95792340ff33262b94b82c39ddcadbc0ebb6818ff0ef810f47a7f061e2eb062ddfe788918f2dc97d48145fe533d4198d609525b4807a7f93c63c599a7c43fb636a27d9230a24ca1819a738861921826f61c409c7544d04e6aa155e00216dd6c891e448939bbf8601c41ce586810f7b533f4cbfae52ec58eb5da02a156cce536ae0bdf5a12b7e75b81fa0b641397afad53cceb3e78bb8f8c0a5160c23bf4423314bad33708dd60c3d1761b347679f7bf2b2e76c9ab68ace18e67e04102e7f44e216d40720c0a778817357dcb54f34b7dc40a1e2ebed9cd416826c82371c6666e20a82df07c4fb706d9f162aaaff850f81c9b115ca752890a7277c91f1d34f52989ea935c95cf88e1a10b593dc96eb7dfe75829d005522f217bba9259d8146eb825bca452fd1faf5edac274dd9a3c652958b9be638d041db7edda1a0d5241fd7c2d2b8f490081b2a3ac0ef584beb7c82fc83a10e082532f357ee5742f1a0717bd5c3845bf9c3b215431c79bb463a5762f6b03ba97170c466796f1e46ff1bc849fe51e28f5098594e2bd02eb32141f7e5b354413c17853a34d1"}) [ 1283.511413] RAX: ffffffffffffffda RBX: 00007f37ed32cf80 RCX: 00007f37ed20d0f9 [ 1283.518685] RDX: 0000000000000000 RSI: 0000000020000200 RDI: 0000000000000005 [ 1283.525944] RBP: 00007f37eb77f1d0 R08: 0000000000000000 R09: 0000000000000000 [ 1283.533207] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001 [ 1283.540473] R13: 00007ffd31b8241f R14: 00007f37eb77f300 R15: 0000000000022000 08:02:01 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000200), r1) sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f0000000200)={0x0, 0x0, &(0x7f00000001c0)={&(0x7f0000000140)={0x33fe0, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x1c}}, 0x0) 08:02:01 executing program 5: r0 = syz_open_dev$ndb(&(0x7f00000002c0), 0x0, 0x0) ioctl$NBD_SET_SOCK(r0, 0x5421, 0xffffffffffffffff) (async) r1 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x244a60) ioctl$NBD_CLEAR_QUE(r1, 0xab05) 08:02:01 executing program 0: r0 = syz_open_dev$ndb(&(0x7f00000002c0), 0x0, 0x2a0500) ioctl$NBD_SET_SOCK(r0, 0x5452, 0xffffffffffffffff) 08:02:01 executing program 2: r0 = openat$ptmx(0xffffffffffffff9c, &(0x7f0000000040), 0x0, 0x0) r1 = ioctl$TIOCGPTPEER(r0, 0x5441, 0xdbb8) ioctl$TIOCMBIC(0xffffffffffffffff, 0x5417, &(0x7f0000000000)=0x3) (async, rerun: 32) ioctl$KDGKBSENT(r1, 0x4b48, &(0x7f0000000080)={0x20, "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"}) (rerun: 32) [ 1283.618392] block nbd4: not configured, cannot reconfigure [ 1283.647932] FAULT_INJECTION: forcing a failure. [ 1283.647932] name failslab, interval 1, probability 0, space 0, times 0 08:02:01 executing program 1: syz_open_dev$ndb(&(0x7f00000002c0), 0x0, 0x0) r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000200), r1) sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f0000000200)={0x0, 0x0, &(0x7f00000001c0)={&(0x7f0000000140)={0x33fe0, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x1c}}, 0x0) [ 1283.713449] CPU: 1 PID: 25478 Comm: syz-executor.4 Not tainted 4.19.211-syzkaller #0 [ 1283.721351] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/16/2023 [ 1283.730704] Call Trace: [ 1283.733299] dump_stack+0x1fc/0x2ef [ 1283.736947] should_fail.cold+0xa/0xf [ 1283.740757] ? setup_fault_attr+0x200/0x200 [ 1283.745085] ? lock_acquire+0x170/0x3c0 [ 1283.749073] __should_failslab+0x115/0x180 [ 1283.753317] should_failslab+0x5/0x10 [ 1283.757120] kmem_cache_alloc_node+0x245/0x3b0 08:02:01 executing program 2: r0 = openat$ptmx(0xffffffffffffff9c, &(0x7f0000000040), 0x0, 0x0) r1 = ioctl$TIOCGPTPEER(r0, 0x5441, 0xdbb8) ioctl$TIOCMBIC(0xffffffffffffffff, 0x5417, &(0x7f0000000000)=0x3) ioctl$KDGKBSENT(r1, 0x4b48, &(0x7f0000000080)={0x20, "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"}) openat$ptmx(0xffffffffffffff9c, &(0x7f0000000040), 0x0, 0x0) (async) ioctl$TIOCGPTPEER(r0, 0x5441, 0xdbb8) (async) ioctl$TIOCMBIC(0xffffffffffffffff, 0x5417, &(0x7f0000000000)=0x3) (async) ioctl$KDGKBSENT(r1, 0x4b48, &(0x7f0000000080)={0x20, "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"}) (async) [ 1283.761711] __alloc_skb+0x71/0x560 [ 1283.765357] netlink_ack+0x27d/0xae0 [ 1283.769080] ? __radix_tree_lookup+0x216/0x370 [ 1283.773672] ? netlink_sendmsg+0xc50/0xc50 [ 1283.777922] netlink_rcv_skb+0x353/0x440 [ 1283.781989] ? genl_family_rcv_msg+0xc40/0xc40 [ 1283.786627] ? netlink_ack+0xae0/0xae0 [ 1283.790523] ? genl_rcv+0x15/0x40 [ 1283.793984] genl_rcv+0x24/0x40 [ 1283.797307] netlink_unicast+0x4d5/0x690 [ 1283.801375] ? netlink_sendskb+0x110/0x110 [ 1283.805613] ? _copy_from_iter_full+0x229/0x7c0 [ 1283.810289] ? __phys_addr_symbol+0x2c/0x70 [ 1283.814617] ? __check_object_size+0x17b/0x3e0 [ 1283.819246] netlink_sendmsg+0x6c3/0xc50 [ 1283.823333] ? aa_af_perm+0x230/0x230 [ 1283.827145] ? nlmsg_notify+0x1f0/0x1f0 [ 1283.831137] ? kernel_recvmsg+0x220/0x220 [ 1283.835312] ? nlmsg_notify+0x1f0/0x1f0 [ 1283.839299] sock_sendmsg+0xc3/0x120 [ 1283.843060] ___sys_sendmsg+0x7bb/0x8e0 [ 1283.847041] ? check_preemption_disabled+0x41/0x280 [ 1283.852065] ? copy_msghdr_from_user+0x440/0x440 [ 1283.856827] ? __fget+0x32f/0x510 [ 1283.860293] ? lock_downgrade+0x720/0x720 [ 1283.864444] ? check_preemption_disabled+0x41/0x280 [ 1283.869470] ? check_preemption_disabled+0x41/0x280 [ 1283.874497] ? __fget+0x356/0x510 [ 1283.877968] ? do_dup2+0x450/0x450 [ 1283.881512] ? lock_downgrade+0x720/0x720 [ 1283.885675] ? vfs_write+0x3d7/0x540 [ 1283.889405] ? __fdget+0x1d0/0x230 [ 1283.892955] __x64_sys_sendmsg+0x132/0x220 [ 1283.897196] ? __sys_sendmsg+0x1b0/0x1b0 [ 1283.901259] ? vfs_write+0x393/0x540 [ 1283.905000] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 1283.910375] ? trace_hardirqs_off_caller+0x6e/0x210 [ 1283.915398] ? do_syscall_64+0x21/0x620 [ 1283.919391] do_syscall_64+0xf9/0x620 [ 1283.923204] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 1283.928396] RIP: 0033:0x7f37ed20d0f9 [ 1283.932109] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 f1 19 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48 [ 1283.951008] RSP: 002b:00007f37eb77f168 EFLAGS: 00000246 ORIG_RAX: 000000000000002e 08:02:01 executing program 4: syz_open_dev$ndb(&(0x7f00000002c0), 0x0, 0x0) r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000200), r1) sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f0000000200)={0x0, 0x0, &(0x7f00000001c0)={&(0x7f0000000140)={0x1c, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x1c}}, 0x0) (fail_nth: 4) 08:02:01 executing program 1: syz_open_dev$ndb(&(0x7f00000002c0), 0x0, 0x0) r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000200), r1) sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f0000000200)={0x0, 0x0, &(0x7f00000001c0)={&(0x7f0000000140)={0x2000015c, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x1c}}, 0x0) 08:02:01 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000200), r1) sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f0000000200)={0x0, 0x0, &(0x7f00000001c0)={&(0x7f0000000140)={0x2000015c, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x1c}}, 0x0) 08:02:01 executing program 2: openat$ptmx(0xffffffffffffff9c, &(0x7f0000000040), 0x1c0, 0x0) ioctl$VHOST_SET_VRING_ERR(0xffffffffffffffff, 0x4008af22, &(0x7f0000000000)={0x3}) r0 = syz_open_dev$tty20(0xc, 0x4, 0x0) ioctl$TIOCGPTPEER(r0, 0x5441, 0x200000000) 08:02:01 executing program 5: r0 = syz_open_dev$ndb(&(0x7f00000002c0), 0x0, 0x0) ioctl$NBD_SET_SOCK(r0, 0x5421, 0xffffffffffffffff) r1 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x244a60) ioctl$NBD_CLEAR_QUE(r1, 0xab05) syz_open_dev$ndb(&(0x7f00000002c0), 0x0, 0x0) (async) ioctl$NBD_SET_SOCK(r0, 0x5421, 0xffffffffffffffff) (async) syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x244a60) (async) ioctl$NBD_CLEAR_QUE(r1, 0xab05) (async) 08:02:01 executing program 0: r0 = syz_open_dev$ndb(&(0x7f00000002c0), 0x0, 0x0) ioctl$NBD_SET_SOCK(r0, 0x5452, 0xffffffffffffffff) socketpair$unix(0x1, 0x1, 0x0, &(0x7f0000000300)={0xffffffffffffffff}) ioctl$sock_bt_cmtp_CMTPCONNADD(0xffffffffffffffff, 0x400443c8, &(0x7f0000000340)={r1, 0xb9c}) r2 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x401) ioctl$NBD_DISCONNECT(r2, 0xab08) sendmsg$NBD_CMD_DISCONNECT(0xffffffffffffffff, &(0x7f0000000140)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x2}, 0xc, &(0x7f0000000100)={&(0x7f0000000080)=ANY=[@ANYBLOB='D\x00\x00\x00', @ANYRES16=0x0, @ANYBLOB="00042dbd9bb8908bd7dfef7000fbdbdf25020500000c00040009000000000000000c000600030000000000ee2a1ce6050009010000000000000c000356b4"], 0x44}, 0x1, 0x0, 0x0, 0x40}, 0x900) r3 = syz_open_dev$vcsn(&(0x7f0000000140), 0x1, 0x0) ioctl$MEDIA_IOC_REQUEST_ALLOC(r3, 0x80047c05, &(0x7f0000000180)) ioctl$sock_bt_cmtp_CMTPGETCONNINFO(r3, 0x800443d3, &(0x7f0000000380)={@none, 0x1610, 0x5}) r4 = open(&(0x7f0000000180)='./file0\x00', 0x260000, 0x114) sendmsg$BATADV_CMD_SET_MESH(r4, &(0x7f0000000280)={&(0x7f00000001c0)={0x10, 0x0, 0x0, 0x2000}, 0xc, &(0x7f0000000240)={&(0x7f0000000200)={0x20, 0x0, 0x20, 0x70bd2a, 0x25dfdbfd, {}, [@BATADV_ATTR_ORIG_ADDRESS={0xa, 0x9, @remote}]}, 0x20}, 0x1, 0x0, 0x0, 0x2810}, 0x20000004) [ 1283.958715] RAX: ffffffffffffffda RBX: 00007f37ed32cf80 RCX: 00007f37ed20d0f9 [ 1283.965986] RDX: 0000000000000000 RSI: 0000000020000200 RDI: 0000000000000005 [ 1283.973262] RBP: 00007f37eb77f1d0 R08: 0000000000000000 R09: 0000000000000000 [ 1283.980531] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001 [ 1283.987804] R13: 00007ffd31b8241f R14: 00007f37eb77f300 R15: 0000000000022000 08:02:01 executing program 2: openat$ptmx(0xffffffffffffff9c, &(0x7f0000000040), 0x1c0, 0x0) ioctl$VHOST_SET_VRING_ERR(0xffffffffffffffff, 0x4008af22, &(0x7f0000000000)={0x3}) r0 = syz_open_dev$tty20(0xc, 0x4, 0x0) ioctl$TIOCGPTPEER(r0, 0x5441, 0x200000000) openat$ptmx(0xffffffffffffff9c, &(0x7f0000000040), 0x1c0, 0x0) (async) ioctl$VHOST_SET_VRING_ERR(0xffffffffffffffff, 0x4008af22, &(0x7f0000000000)={0x3}) (async) syz_open_dev$tty20(0xc, 0x4, 0x0) (async) ioctl$TIOCGPTPEER(r0, 0x5441, 0x200000000) (async) 08:02:01 executing program 1: syz_open_dev$ndb(&(0x7f00000002c0), 0x0, 0x0) r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000200), r1) sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f0000000200)={0x0, 0x0, &(0x7f00000001c0)={&(0x7f0000000140)={0x7ffff000, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x1c}}, 0x0) 08:02:01 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000200), r1) sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f0000000200)={0x0, 0x0, &(0x7f00000001c0)={&(0x7f0000000140)={0x7ffff000, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x1c}}, 0x0) 08:02:01 executing program 5: r0 = syz_open_dev$ndb(&(0x7f00000002c0), 0x0, 0x430400) sendmsg$RDMA_NLDEV_CMD_RES_MR_GET(0xffffffffffffffff, &(0x7f00000000c0)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x10000000}, 0xc, &(0x7f0000000080)={&(0x7f0000000040)={0x28, 0x140d, 0x300, 0x70bd2a, 0x25dfdbff, "", [@RDMA_NLDEV_ATTR_PORT_INDEX={0x8, 0x3, 0x2}, @RDMA_NLDEV_ATTR_DEV_INDEX={0x8}, @RDMA_NLDEV_ATTR_RES_MRN={0x8, 0x3e, 0x3}]}, 0x28}, 0x1, 0x0, 0x0, 0x4000080}, 0x10) r1 = openat$autofs(0xffffffffffffff9c, &(0x7f0000000100), 0x1, 0x0) ioctl$SECCOMP_IOCTL_NOTIF_ADDFD(0xffffffffffffffff, 0x40182103, &(0x7f0000000140)={0x0, 0x2, r1, 0x5}) ioctl$NBD_SET_SOCK(r0, 0x5421, 0xffffffffffffffff) sendmsg$RDMA_NLDEV_CMD_STAT_SET(0xffffffffffffffff, &(0x7f0000000240)={&(0x7f0000000180)={0x10, 0x0, 0x0, 0x800000}, 0xc, &(0x7f0000000200)={&(0x7f00000001c0)={0x20, 0x1410, 0x400, 0x70bd2d, 0x25dfdbfe, "", [@RDMA_NLDEV_ATTR_RES_LQPN={0x8, 0x15, 0x3}, @RDMA_NLDEV_ATTR_STAT_COUNTER_ID={0x8, 0x4f, 0x2}]}, 0x20}, 0x1, 0x0, 0x0, 0x20004811}, 0xc090) 08:02:01 executing program 0: r0 = syz_open_dev$ndb(&(0x7f00000002c0), 0x0, 0x0) ioctl$NBD_SET_SOCK(r0, 0x5452, 0xffffffffffffffff) (async) socketpair$unix(0x1, 0x1, 0x0, &(0x7f0000000300)={0xffffffffffffffff}) ioctl$sock_bt_cmtp_CMTPCONNADD(0xffffffffffffffff, 0x400443c8, &(0x7f0000000340)={r1, 0xb9c}) r2 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x401) ioctl$NBD_DISCONNECT(r2, 0xab08) (async) sendmsg$NBD_CMD_DISCONNECT(0xffffffffffffffff, &(0x7f0000000140)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x2}, 0xc, &(0x7f0000000100)={&(0x7f0000000080)=ANY=[@ANYBLOB='D\x00\x00\x00', @ANYRES16=0x0, @ANYBLOB="00042dbd9bb8908bd7dfef7000fbdbdf25020500000c00040009000000000000000c000600030000000000ee2a1ce6050009010000000000000c000356b4"], 0x44}, 0x1, 0x0, 0x0, 0x40}, 0x900) r3 = syz_open_dev$vcsn(&(0x7f0000000140), 0x1, 0x0) ioctl$MEDIA_IOC_REQUEST_ALLOC(r3, 0x80047c05, &(0x7f0000000180)) (async) ioctl$sock_bt_cmtp_CMTPGETCONNINFO(r3, 0x800443d3, &(0x7f0000000380)={@none, 0x1610, 0x5}) r4 = open(&(0x7f0000000180)='./file0\x00', 0x260000, 0x114) sendmsg$BATADV_CMD_SET_MESH(r4, &(0x7f0000000280)={&(0x7f00000001c0)={0x10, 0x0, 0x0, 0x2000}, 0xc, &(0x7f0000000240)={&(0x7f0000000200)={0x20, 0x0, 0x20, 0x70bd2a, 0x25dfdbfd, {}, [@BATADV_ATTR_ORIG_ADDRESS={0xa, 0x9, @remote}]}, 0x20}, 0x1, 0x0, 0x0, 0x2810}, 0x20000004) [ 1284.133134] block nbd0: NBD_DISCONNECT [ 1284.140950] block nbd4: not configured, cannot reconfigure [ 1284.163829] FAULT_INJECTION: forcing a failure. [ 1284.163829] name failslab, interval 1, probability 0, space 0, times 0 08:02:01 executing program 2: openat$ptmx(0xffffffffffffff9c, &(0x7f0000000040), 0x1c0, 0x0) ioctl$VHOST_SET_VRING_ERR(0xffffffffffffffff, 0x4008af22, &(0x7f0000000000)={0x3}) r0 = syz_open_dev$tty20(0xc, 0x4, 0x0) ioctl$TIOCGPTPEER(r0, 0x5441, 0x200000000) openat$ptmx(0xffffffffffffff9c, &(0x7f0000000040), 0x1c0, 0x0) (async) ioctl$VHOST_SET_VRING_ERR(0xffffffffffffffff, 0x4008af22, &(0x7f0000000000)={0x3}) (async) syz_open_dev$tty20(0xc, 0x4, 0x0) (async) ioctl$TIOCGPTPEER(r0, 0x5441, 0x200000000) (async) [ 1284.226195] CPU: 0 PID: 25534 Comm: syz-executor.4 Not tainted 4.19.211-syzkaller #0 [ 1284.234095] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/16/2023 [ 1284.243479] Call Trace: [ 1284.243502] dump_stack+0x1fc/0x2ef [ 1284.249697] should_fail.cold+0xa/0xf [ 1284.253511] ? setup_fault_attr+0x200/0x200 [ 1284.257857] ? lock_acquire+0x170/0x3c0 [ 1284.261846] __should_failslab+0x115/0x180 [ 1284.266093] should_failslab+0x5/0x10 [ 1284.269903] kmem_cache_alloc_node_trace+0x244/0x3b0 [ 1284.275019] __kmalloc_node_track_caller+0x38/0x70 [ 1284.279957] __alloc_skb+0xae/0x560 [ 1284.283594] netlink_ack+0x27d/0xae0 [ 1284.287310] ? __radix_tree_lookup+0x216/0x370 [ 1284.291898] ? netlink_sendmsg+0xc50/0xc50 [ 1284.296160] netlink_rcv_skb+0x353/0x440 [ 1284.300231] ? genl_family_rcv_msg+0xc40/0xc40 [ 1284.304819] ? netlink_ack+0xae0/0xae0 [ 1284.308718] ? genl_rcv+0x15/0x40 [ 1284.312186] genl_rcv+0x24/0x40 [ 1284.315472] netlink_unicast+0x4d5/0x690 [ 1284.319545] ? netlink_sendskb+0x110/0x110 [ 1284.323783] ? _copy_from_iter_full+0x229/0x7c0 [ 1284.328459] ? __phys_addr_symbol+0x2c/0x70 [ 1284.332787] ? __check_object_size+0x17b/0x3e0 [ 1284.337371] netlink_sendmsg+0x6c3/0xc50 [ 1284.341444] ? aa_af_perm+0x230/0x230 [ 1284.345246] ? nlmsg_notify+0x1f0/0x1f0 [ 1284.345921] block nbd0: NBD_DISCONNECT [ 1284.349214] ? kernel_recvmsg+0x220/0x220 [ 1284.349238] ? nlmsg_notify+0x1f0/0x1f0 [ 1284.349255] sock_sendmsg+0xc3/0x120 [ 1284.349270] ___sys_sendmsg+0x7bb/0x8e0 [ 1284.368911] ? check_preemption_disabled+0x41/0x280 [ 1284.368925] ? copy_msghdr_from_user+0x440/0x440 [ 1284.378701] ? __fget+0x32f/0x510 [ 1284.382174] ? lock_downgrade+0x720/0x720 [ 1284.386334] ? check_preemption_disabled+0x41/0x280 [ 1284.391362] ? check_preemption_disabled+0x41/0x280 [ 1284.396389] ? __fget+0x356/0x510 [ 1284.399852] ? do_dup2+0x450/0x450 [ 1284.403400] ? lock_downgrade+0x720/0x720 [ 1284.407554] ? vfs_write+0x3d7/0x540 [ 1284.411282] ? __fdget+0x1d0/0x230 [ 1284.414845] __x64_sys_sendmsg+0x132/0x220 [ 1284.419085] ? __sys_sendmsg+0x1b0/0x1b0 [ 1284.423166] ? vfs_write+0x393/0x540 [ 1284.426934] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 1284.432315] ? trace_hardirqs_off_caller+0x6e/0x210 [ 1284.432332] ? do_syscall_64+0x21/0x620 [ 1284.432350] do_syscall_64+0xf9/0x620 [ 1284.432367] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 1284.432381] RIP: 0033:0x7f37ed20d0f9 [ 1284.454000] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 f1 19 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48 08:02:02 executing program 4: syz_open_dev$ndb(&(0x7f00000002c0), 0x0, 0x0) r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000200), r1) sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f0000000200)={0x0, 0x0, &(0x7f00000001c0)={&(0x7f0000000140)={0x1c, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x1c}}, 0x0) (fail_nth: 5) 08:02:02 executing program 1: syz_open_dev$ndb(&(0x7f00000002c0), 0x0, 0x0) r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000200), r1) sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f0000000200)={0x0, 0x0, &(0x7f00000001c0)={&(0x7f0000000140)={0xfffffdef, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x1c}}, 0x0) 08:02:02 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000200), r1) sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f0000000200)={0x0, 0x0, &(0x7f00000001c0)={&(0x7f0000000140)={0xfffffdef, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x1c}}, 0x0) 08:02:02 executing program 5: syz_open_dev$ndb(&(0x7f00000002c0), 0x0, 0x430400) (async) r0 = syz_open_dev$ndb(&(0x7f00000002c0), 0x0, 0x430400) sendmsg$RDMA_NLDEV_CMD_RES_MR_GET(0xffffffffffffffff, &(0x7f00000000c0)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x10000000}, 0xc, &(0x7f0000000080)={&(0x7f0000000040)={0x28, 0x140d, 0x300, 0x70bd2a, 0x25dfdbff, "", [@RDMA_NLDEV_ATTR_PORT_INDEX={0x8, 0x3, 0x2}, @RDMA_NLDEV_ATTR_DEV_INDEX={0x8}, @RDMA_NLDEV_ATTR_RES_MRN={0x8, 0x3e, 0x3}]}, 0x28}, 0x1, 0x0, 0x0, 0x4000080}, 0x10) r1 = openat$autofs(0xffffffffffffff9c, &(0x7f0000000100), 0x1, 0x0) ioctl$SECCOMP_IOCTL_NOTIF_ADDFD(0xffffffffffffffff, 0x40182103, &(0x7f0000000140)={0x0, 0x2, r1, 0x5}) ioctl$NBD_SET_SOCK(r0, 0x5421, 0xffffffffffffffff) sendmsg$RDMA_NLDEV_CMD_STAT_SET(0xffffffffffffffff, &(0x7f0000000240)={&(0x7f0000000180)={0x10, 0x0, 0x0, 0x800000}, 0xc, &(0x7f0000000200)={&(0x7f00000001c0)={0x20, 0x1410, 0x400, 0x70bd2d, 0x25dfdbfe, "", [@RDMA_NLDEV_ATTR_RES_LQPN={0x8, 0x15, 0x3}, @RDMA_NLDEV_ATTR_STAT_COUNTER_ID={0x8, 0x4f, 0x2}]}, 0x20}, 0x1, 0x0, 0x0, 0x20004811}, 0xc090) (async) sendmsg$RDMA_NLDEV_CMD_STAT_SET(0xffffffffffffffff, &(0x7f0000000240)={&(0x7f0000000180)={0x10, 0x0, 0x0, 0x800000}, 0xc, &(0x7f0000000200)={&(0x7f00000001c0)={0x20, 0x1410, 0x400, 0x70bd2d, 0x25dfdbfe, "", [@RDMA_NLDEV_ATTR_RES_LQPN={0x8, 0x15, 0x3}, @RDMA_NLDEV_ATTR_STAT_COUNTER_ID={0x8, 0x4f, 0x2}]}, 0x20}, 0x1, 0x0, 0x0, 0x20004811}, 0xc090) 08:02:02 executing program 0: r0 = syz_open_dev$ndb(&(0x7f00000002c0), 0x0, 0x0) ioctl$NBD_SET_SOCK(r0, 0x5452, 0xffffffffffffffff) socketpair$unix(0x1, 0x1, 0x0, &(0x7f0000000300)={0xffffffffffffffff}) ioctl$sock_bt_cmtp_CMTPCONNADD(0xffffffffffffffff, 0x400443c8, &(0x7f0000000340)={r1, 0xb9c}) (async) r2 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x401) ioctl$NBD_DISCONNECT(r2, 0xab08) (async) sendmsg$NBD_CMD_DISCONNECT(0xffffffffffffffff, &(0x7f0000000140)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x2}, 0xc, &(0x7f0000000100)={&(0x7f0000000080)=ANY=[@ANYBLOB='D\x00\x00\x00', @ANYRES16=0x0, @ANYBLOB="00042dbd9bb8908bd7dfef7000fbdbdf25020500000c00040009000000000000000c000600030000000000ee2a1ce6050009010000000000000c000356b4"], 0x44}, 0x1, 0x0, 0x0, 0x40}, 0x900) (async) r3 = syz_open_dev$vcsn(&(0x7f0000000140), 0x1, 0x0) ioctl$MEDIA_IOC_REQUEST_ALLOC(r3, 0x80047c05, &(0x7f0000000180)) (async) ioctl$sock_bt_cmtp_CMTPGETCONNINFO(r3, 0x800443d3, &(0x7f0000000380)={@none, 0x1610, 0x5}) r4 = open(&(0x7f0000000180)='./file0\x00', 0x260000, 0x114) sendmsg$BATADV_CMD_SET_MESH(r4, &(0x7f0000000280)={&(0x7f00000001c0)={0x10, 0x0, 0x0, 0x2000}, 0xc, &(0x7f0000000240)={&(0x7f0000000200)={0x20, 0x0, 0x20, 0x70bd2a, 0x25dfdbfd, {}, [@BATADV_ATTR_ORIG_ADDRESS={0xa, 0x9, @remote}]}, 0x20}, 0x1, 0x0, 0x0, 0x2810}, 0x20000004) 08:02:02 executing program 2: r0 = openat$ptmx(0xffffffffffffff9c, &(0x7f0000000040), 0x0, 0x0) r1 = syz_init_net_socket$nl_rdma(0x10, 0x3, 0x10) sendmsg$BATADV_CMD_TP_METER_CANCEL(r1, &(0x7f0000001900)={&(0x7f0000001800), 0xc, 0x0}, 0x0) sendmsg$BATADV_CMD_GET_GATEWAYS(0xffffffffffffffff, &(0x7f0000000240)={&(0x7f0000000140)={0x10, 0x0, 0x0, 0x4000}, 0xc, &(0x7f0000000200)={&(0x7f0000000740)=ANY=[@ANYBLOB="5c00000006dc8c2ace3561d1bae1f50114b2bd5bfb9e7c3d44da4b13505dfa1cbae64e83d5dc5bdb3c8e62505ed324ad8dfc2746a767b5d447a925a98ddf5100c89aa15a14fb6f0e4eb21c42e9c876fe6ca236ab9e5a5850de8b6af2a9a813d1eb4895539169fdd118238aeaeee5df3f1e103f2edb56c1e3a609a47e5866632a6e66df0e37b7870568e485ff1e9065c0a57f35a68ed73d8b1edaf65b832bc85f6adec2384e7e9374cf1cbb30bae091e1d84caae13d7ba60ad755c589aab2dfc636d62e54ac484902a05fd9e9331b43962fdc48c0", @ANYRES16=r1, @ANYBLOB="080029bd7000fedbdf250a00000005002e00010000000800390007000000bdfe290000000000050037000000000008003a000300000008003a0078060000080039000400000008000b00010000000500330000000000"], 0x5c}, 0x1, 0x0, 0x0, 0x40044000}, 0x40000c0) ioctl$KDSETLED(r0, 0x4b32, 0x3b1) ioctl$AUTOFS_DEV_IOCTL_REQUESTER(0xffffffffffffffff, 0xc018937b, &(0x7f0000000100)={{0x1, 0x1, 0x18, 0xffffffffffffffff, {0xffffffffffffffff, 0xffffffffffffffff}}, './file0\x00'}) r3 = ioctl$TIOCGPTPEER(r0, 0x5441, 0xdbb8) ioctl$TIOCSTI(r3, 0x5412, &(0x7f0000000180)=0x4d) ioctl$PIO_FONTX(r2, 0x4b6c, &(0x7f00000001c0)={0x1db, 0x5, &(0x7f0000000300)="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"}) ioctl$KDGETLED(r3, 0x4b31, &(0x7f0000000000)) r4 = ioctl$TIOCGPTPEER(r0, 0x5441, 0x1f) ioctl$KDSKBMETA(r4, 0x4b63, &(0x7f0000000700)=0x4) ioctl$TIOCMBIC(r0, 0x5417, &(0x7f00000000c0)=0x9) ioctl$TCSETAF(r3, 0x5408, &(0x7f0000000080)={0x5, 0x6bc2, 0xffff, 0x4, 0x7, "cca410c35a31e4ae"}) [ 1284.472915] RSP: 002b:00007f37eb77f168 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 1284.480605] RAX: ffffffffffffffda RBX: 00007f37ed32cf80 RCX: 00007f37ed20d0f9 [ 1284.487853] RDX: 0000000000000000 RSI: 0000000020000200 RDI: 0000000000000005 [ 1284.495106] RBP: 00007f37eb77f1d0 R08: 0000000000000000 R09: 0000000000000000 [ 1284.502354] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001 [ 1284.509604] R13: 00007ffd31b8241f R14: 00007f37eb77f300 R15: 0000000000022000 08:02:02 executing program 1: syz_open_dev$ndb(&(0x7f00000002c0), 0x0, 0x0) r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000200), r1) sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f0000000200)={0x0, 0x0, &(0x7f00000001c0)={&(0x7f0000000140)={0x1c, r2, 0x2, 0x0, 0x0, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x1c}}, 0x0) 08:02:02 executing program 0: sendmsg$BATADV_CMD_GET_GATEWAYS(0xffffffffffffffff, &(0x7f0000000100)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x10000}, 0xc, &(0x7f00000000c0)={&(0x7f0000000040)={0x48, 0x0, 0x100, 0x70bd2c, 0x25dfdbfd, {}, [@BATADV_ATTR_GW_BANDWIDTH_DOWN={0x8, 0x31, 0x8fa600}, @BATADV_ATTR_AGGREGATED_OGMS_ENABLED={0x5, 0x29, 0x1}, @BATADV_ATTR_ORIG_ADDRESS={0xa, 0x9, @link_local={0x1, 0x80, 0xc2, 0x0, 0x0, 0x3}}, @BATADV_ATTR_NETWORK_CODING_ENABLED={0x5, 0x38, 0x1}, @BATADV_ATTR_ISOLATION_MARK={0x8, 0x2b, 0x80000001}, @BATADV_ATTR_NETWORK_CODING_ENABLED={0x5, 0x38, 0x1}]}, 0x48}, 0x1, 0x0, 0x0, 0x4004084}, 0x4004810) r0 = syz_open_dev$ndb(&(0x7f00000002c0), 0x0, 0x0) ioctl$MEDIA_IOC_REQUEST_ALLOC(0xffffffffffffffff, 0x80047c05, &(0x7f0000000180)) ioctl$NBD_CLEAR_QUE(0xffffffffffffffff, 0xab05) ioctl$NBD_SET_SOCK(r0, 0x5452, 0xffffffffffffffff) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000140)) 08:02:02 executing program 4: syz_open_dev$ndb(&(0x7f00000002c0), 0x0, 0x0) r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000200), r1) sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f0000000200)={0x0, 0x0, &(0x7f00000001c0)={&(0x7f0000000140)={0x1c, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x1c}}, 0x0) 08:02:02 executing program 5: r0 = syz_open_dev$ndb(&(0x7f00000002c0), 0x0, 0x430400) sendmsg$RDMA_NLDEV_CMD_RES_MR_GET(0xffffffffffffffff, &(0x7f00000000c0)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x10000000}, 0xc, &(0x7f0000000080)={&(0x7f0000000040)={0x28, 0x140d, 0x300, 0x70bd2a, 0x25dfdbff, "", [@RDMA_NLDEV_ATTR_PORT_INDEX={0x8, 0x3, 0x2}, @RDMA_NLDEV_ATTR_DEV_INDEX={0x8}, @RDMA_NLDEV_ATTR_RES_MRN={0x8, 0x3e, 0x3}]}, 0x28}, 0x1, 0x0, 0x0, 0x4000080}, 0x10) (async) r1 = openat$autofs(0xffffffffffffff9c, &(0x7f0000000100), 0x1, 0x0) ioctl$SECCOMP_IOCTL_NOTIF_ADDFD(0xffffffffffffffff, 0x40182103, &(0x7f0000000140)={0x0, 0x2, r1, 0x5}) (async) ioctl$NBD_SET_SOCK(r0, 0x5421, 0xffffffffffffffff) (async) sendmsg$RDMA_NLDEV_CMD_STAT_SET(0xffffffffffffffff, &(0x7f0000000240)={&(0x7f0000000180)={0x10, 0x0, 0x0, 0x800000}, 0xc, &(0x7f0000000200)={&(0x7f00000001c0)={0x20, 0x1410, 0x400, 0x70bd2d, 0x25dfdbfe, "", [@RDMA_NLDEV_ATTR_RES_LQPN={0x8, 0x15, 0x3}, @RDMA_NLDEV_ATTR_STAT_COUNTER_ID={0x8, 0x4f, 0x2}]}, 0x20}, 0x1, 0x0, 0x0, 0x20004811}, 0xc090) 08:02:02 executing program 2: r0 = openat$ptmx(0xffffffffffffff9c, &(0x7f0000000040), 0x0, 0x0) (async) r1 = syz_init_net_socket$nl_rdma(0x10, 0x3, 0x10) sendmsg$BATADV_CMD_TP_METER_CANCEL(r1, &(0x7f0000001900)={&(0x7f0000001800), 0xc, 0x0}, 0x0) sendmsg$BATADV_CMD_GET_GATEWAYS(0xffffffffffffffff, &(0x7f0000000240)={&(0x7f0000000140)={0x10, 0x0, 0x0, 0x4000}, 0xc, &(0x7f0000000200)={&(0x7f0000000740)=ANY=[@ANYBLOB="5c00000006dc8c2ace3561d1bae1f50114b2bd5bfb9e7c3d44da4b13505dfa1cbae64e83d5dc5bdb3c8e62505ed324ad8dfc2746a767b5d447a925a98ddf5100c89aa15a14fb6f0e4eb21c42e9c876fe6ca236ab9e5a5850de8b6af2a9a813d1eb4895539169fdd118238aeaeee5df3f1e103f2edb56c1e3a609a47e5866632a6e66df0e37b7870568e485ff1e9065c0a57f35a68ed73d8b1edaf65b832bc85f6adec2384e7e9374cf1cbb30bae091e1d84caae13d7ba60ad755c589aab2dfc636d62e54ac484902a05fd9e9331b43962fdc48c0", @ANYRES16=r1, @ANYBLOB="080029bd7000fedbdf250a00000005002e00010000000800390007000000bdfe290000000000050037000000000008003a000300000008003a0078060000080039000400000008000b00010000000500330000000000"], 0x5c}, 0x1, 0x0, 0x0, 0x40044000}, 0x40000c0) (async) ioctl$KDSETLED(r0, 0x4b32, 0x3b1) (async) ioctl$AUTOFS_DEV_IOCTL_REQUESTER(0xffffffffffffffff, 0xc018937b, &(0x7f0000000100)={{0x1, 0x1, 0x18, 0xffffffffffffffff, {0xffffffffffffffff, 0xffffffffffffffff}}, './file0\x00'}) r3 = ioctl$TIOCGPTPEER(r0, 0x5441, 0xdbb8) ioctl$TIOCSTI(r3, 0x5412, &(0x7f0000000180)=0x4d) (async) ioctl$PIO_FONTX(r2, 0x4b6c, &(0x7f00000001c0)={0x1db, 0x5, &(0x7f0000000300)="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"}) (async) ioctl$KDGETLED(r3, 0x4b31, &(0x7f0000000000)) (async) r4 = ioctl$TIOCGPTPEER(r0, 0x5441, 0x1f) ioctl$KDSKBMETA(r4, 0x4b63, &(0x7f0000000700)=0x4) (async) ioctl$TIOCMBIC(r0, 0x5417, &(0x7f00000000c0)=0x9) (async) ioctl$TCSETAF(r3, 0x5408, &(0x7f0000000080)={0x5, 0x6bc2, 0xffff, 0x4, 0x7, "cca410c35a31e4ae"}) [ 1284.616566] block nbd0: NBD_DISCONNECT [ 1284.635479] block nbd4: not configured, cannot reconfigure 08:02:02 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000200), r1) sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f0000000200)={0x0, 0x0, &(0x7f00000001c0)={&(0x7f0000000140)={0x1c, r2, 0x2, 0x0, 0x0, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x1c}}, 0x0) 08:02:02 executing program 5: r0 = syz_open_dev$ndb(&(0x7f00000002c0), 0x0, 0x0) r1 = syz_open_dev$ttys(0xc, 0x2, 0x0) ioctl$sock_SIOCETHTOOL(0xffffffffffffffff, 0x8946, &(0x7f0000000100)={'bond_slave_0\x00', &(0x7f0000000040)=@ethtool_gfeatures={0x3a, 0x8, [{}, {}, {}, {}, {}, {}, {}, {}]}}) ioctl$TIOCOUTQ(r1, 0x5411, &(0x7f0000000000)) ioctl$NBD_SET_SOCK(r0, 0x5421, 0xffffffffffffffff) [ 1284.714556] block nbd4: not configured, cannot reconfigure 08:02:02 executing program 4: syz_open_dev$ndb(&(0x7f00000002c0), 0x0, 0x0) r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000200), r1) sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f0000000200)={0x0, 0x0, &(0x7f00000001c0)={&(0x7f0000000140)={0x1c, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x1c}}, 0x0) 08:02:02 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000200), r1) sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f0000000200)={0x0, 0x0, &(0x7f00000001c0)={&(0x7f0000000140)={0x1c, r2, 0x3, 0x0, 0x0, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x1c}}, 0x0) 08:02:02 executing program 0: sendmsg$BATADV_CMD_GET_GATEWAYS(0xffffffffffffffff, &(0x7f0000000100)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x10000}, 0xc, &(0x7f00000000c0)={&(0x7f0000000040)={0x48, 0x0, 0x100, 0x70bd2c, 0x25dfdbfd, {}, [@BATADV_ATTR_GW_BANDWIDTH_DOWN={0x8, 0x31, 0x8fa600}, @BATADV_ATTR_AGGREGATED_OGMS_ENABLED={0x5, 0x29, 0x1}, @BATADV_ATTR_ORIG_ADDRESS={0xa, 0x9, @link_local={0x1, 0x80, 0xc2, 0x0, 0x0, 0x3}}, @BATADV_ATTR_NETWORK_CODING_ENABLED={0x5, 0x38, 0x1}, @BATADV_ATTR_ISOLATION_MARK={0x8, 0x2b, 0x80000001}, @BATADV_ATTR_NETWORK_CODING_ENABLED={0x5, 0x38, 0x1}]}, 0x48}, 0x1, 0x0, 0x0, 0x4004084}, 0x4004810) (async) r0 = syz_open_dev$ndb(&(0x7f00000002c0), 0x0, 0x0) ioctl$MEDIA_IOC_REQUEST_ALLOC(0xffffffffffffffff, 0x80047c05, &(0x7f0000000180)) (async) ioctl$NBD_CLEAR_QUE(0xffffffffffffffff, 0xab05) (async) ioctl$NBD_SET_SOCK(r0, 0x5452, 0xffffffffffffffff) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000140)) 08:02:02 executing program 1: syz_open_dev$ndb(&(0x7f00000002c0), 0x0, 0x0) r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000200), r1) sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f0000000200)={0x0, 0x0, &(0x7f00000001c0)={&(0x7f0000000140)={0x1c, r2, 0x3, 0x0, 0x0, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x1c}}, 0x0) 08:02:02 executing program 2: r0 = openat$ptmx(0xffffffffffffff9c, &(0x7f0000000040), 0x0, 0x0) r1 = syz_init_net_socket$nl_rdma(0x10, 0x3, 0x10) sendmsg$BATADV_CMD_TP_METER_CANCEL(r1, &(0x7f0000001900)={&(0x7f0000001800), 0xc, 0x0}, 0x0) sendmsg$BATADV_CMD_GET_GATEWAYS(0xffffffffffffffff, &(0x7f0000000240)={&(0x7f0000000140)={0x10, 0x0, 0x0, 0x4000}, 0xc, &(0x7f0000000200)={&(0x7f0000000740)=ANY=[@ANYBLOB="5c00000006dc8c2ace3561d1bae1f50114b2bd5bfb9e7c3d44da4b13505dfa1cbae64e83d5dc5bdb3c8e62505ed324ad8dfc2746a767b5d447a925a98ddf5100c89aa15a14fb6f0e4eb21c42e9c876fe6ca236ab9e5a5850de8b6af2a9a813d1eb4895539169fdd118238aeaeee5df3f1e103f2edb56c1e3a609a47e5866632a6e66df0e37b7870568e485ff1e9065c0a57f35a68ed73d8b1edaf65b832bc85f6adec2384e7e9374cf1cbb30bae091e1d84caae13d7ba60ad755c589aab2dfc636d62e54ac484902a05fd9e9331b43962fdc48c0", @ANYRES16=r1, @ANYBLOB="080029bd7000fedbdf250a00000005002e00010000000800390007000000bdfe290000000000050037000000000008003a000300000008003a0078060000080039000400000008000b00010000000500330000000000"], 0x5c}, 0x1, 0x0, 0x0, 0x40044000}, 0x40000c0) ioctl$KDSETLED(r0, 0x4b32, 0x3b1) ioctl$AUTOFS_DEV_IOCTL_REQUESTER(0xffffffffffffffff, 0xc018937b, &(0x7f0000000100)={{0x1, 0x1, 0x18, 0xffffffffffffffff, {0xffffffffffffffff, 0xffffffffffffffff}}, './file0\x00'}) r3 = ioctl$TIOCGPTPEER(r0, 0x5441, 0xdbb8) ioctl$TIOCSTI(r3, 0x5412, &(0x7f0000000180)=0x4d) ioctl$PIO_FONTX(r2, 0x4b6c, &(0x7f00000001c0)={0x1db, 0x5, &(0x7f0000000300)="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"}) ioctl$KDGETLED(r3, 0x4b31, &(0x7f0000000000)) r4 = ioctl$TIOCGPTPEER(r0, 0x5441, 0x1f) ioctl$KDSKBMETA(r4, 0x4b63, &(0x7f0000000700)=0x4) ioctl$TIOCMBIC(r0, 0x5417, &(0x7f00000000c0)=0x9) ioctl$TCSETAF(r3, 0x5408, &(0x7f0000000080)={0x5, 0x6bc2, 0xffff, 0x4, 0x7, "cca410c35a31e4ae"}) openat$ptmx(0xffffffffffffff9c, &(0x7f0000000040), 0x0, 0x0) (async) syz_init_net_socket$nl_rdma(0x10, 0x3, 0x10) (async) sendmsg$BATADV_CMD_TP_METER_CANCEL(r1, &(0x7f0000001900)={&(0x7f0000001800), 0xc, 0x0}, 0x0) (async) sendmsg$BATADV_CMD_GET_GATEWAYS(0xffffffffffffffff, &(0x7f0000000240)={&(0x7f0000000140)={0x10, 0x0, 0x0, 0x4000}, 0xc, &(0x7f0000000200)={&(0x7f0000000740)=ANY=[@ANYBLOB="5c00000006dc8c2ace3561d1bae1f50114b2bd5bfb9e7c3d44da4b13505dfa1cbae64e83d5dc5bdb3c8e62505ed324ad8dfc2746a767b5d447a925a98ddf5100c89aa15a14fb6f0e4eb21c42e9c876fe6ca236ab9e5a5850de8b6af2a9a813d1eb4895539169fdd118238aeaeee5df3f1e103f2edb56c1e3a609a47e5866632a6e66df0e37b7870568e485ff1e9065c0a57f35a68ed73d8b1edaf65b832bc85f6adec2384e7e9374cf1cbb30bae091e1d84caae13d7ba60ad755c589aab2dfc636d62e54ac484902a05fd9e9331b43962fdc48c0", @ANYRES16=r1, @ANYBLOB="080029bd7000fedbdf250a00000005002e00010000000800390007000000bdfe290000000000050037000000000008003a000300000008003a0078060000080039000400000008000b00010000000500330000000000"], 0x5c}, 0x1, 0x0, 0x0, 0x40044000}, 0x40000c0) (async) ioctl$KDSETLED(r0, 0x4b32, 0x3b1) (async) ioctl$AUTOFS_DEV_IOCTL_REQUESTER(0xffffffffffffffff, 0xc018937b, &(0x7f0000000100)={{0x1, 0x1, 0x18, 0xffffffffffffffff, {0xffffffffffffffff, 0xffffffffffffffff}}, './file0\x00'}) (async) ioctl$TIOCGPTPEER(r0, 0x5441, 0xdbb8) (async) ioctl$TIOCSTI(r3, 0x5412, &(0x7f0000000180)=0x4d) (async) ioctl$PIO_FONTX(r2, 0x4b6c, &(0x7f00000001c0)={0x1db, 0x5, &(0x7f0000000300)="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"}) (async) ioctl$KDGETLED(r3, 0x4b31, &(0x7f0000000000)) (async) ioctl$TIOCGPTPEER(r0, 0x5441, 0x1f) (async) ioctl$KDSKBMETA(r4, 0x4b63, &(0x7f0000000700)=0x4) (async) ioctl$TIOCMBIC(r0, 0x5417, &(0x7f00000000c0)=0x9) (async) ioctl$TCSETAF(r3, 0x5408, &(0x7f0000000080)={0x5, 0x6bc2, 0xffff, 0x4, 0x7, "cca410c35a31e4ae"}) (async) 08:02:02 executing program 5: r0 = syz_open_dev$ndb(&(0x7f00000002c0), 0x0, 0x0) (async) r1 = syz_open_dev$ttys(0xc, 0x2, 0x0) ioctl$sock_SIOCETHTOOL(0xffffffffffffffff, 0x8946, &(0x7f0000000100)={'bond_slave_0\x00', &(0x7f0000000040)=@ethtool_gfeatures={0x3a, 0x8, [{}, {}, {}, {}, {}, {}, {}, {}]}}) (async) ioctl$TIOCOUTQ(r1, 0x5411, &(0x7f0000000000)) (async) ioctl$NBD_SET_SOCK(r0, 0x5421, 0xffffffffffffffff) 08:02:02 executing program 0: sendmsg$BATADV_CMD_GET_GATEWAYS(0xffffffffffffffff, &(0x7f0000000100)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x10000}, 0xc, &(0x7f00000000c0)={&(0x7f0000000040)={0x48, 0x0, 0x100, 0x70bd2c, 0x25dfdbfd, {}, [@BATADV_ATTR_GW_BANDWIDTH_DOWN={0x8, 0x31, 0x8fa600}, @BATADV_ATTR_AGGREGATED_OGMS_ENABLED={0x5, 0x29, 0x1}, @BATADV_ATTR_ORIG_ADDRESS={0xa, 0x9, @link_local={0x1, 0x80, 0xc2, 0x0, 0x0, 0x3}}, @BATADV_ATTR_NETWORK_CODING_ENABLED={0x5, 0x38, 0x1}, @BATADV_ATTR_ISOLATION_MARK={0x8, 0x2b, 0x80000001}, @BATADV_ATTR_NETWORK_CODING_ENABLED={0x5, 0x38, 0x1}]}, 0x48}, 0x1, 0x0, 0x0, 0x4004084}, 0x4004810) r0 = syz_open_dev$ndb(&(0x7f00000002c0), 0x0, 0x0) ioctl$MEDIA_IOC_REQUEST_ALLOC(0xffffffffffffffff, 0x80047c05, &(0x7f0000000180)) ioctl$NBD_CLEAR_QUE(0xffffffffffffffff, 0xab05) ioctl$NBD_SET_SOCK(r0, 0x5452, 0xffffffffffffffff) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000140)) sendmsg$BATADV_CMD_GET_GATEWAYS(0xffffffffffffffff, &(0x7f0000000100)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x10000}, 0xc, &(0x7f00000000c0)={&(0x7f0000000040)={0x48, 0x0, 0x100, 0x70bd2c, 0x25dfdbfd, {}, [@BATADV_ATTR_GW_BANDWIDTH_DOWN={0x8, 0x31, 0x8fa600}, @BATADV_ATTR_AGGREGATED_OGMS_ENABLED={0x5, 0x29, 0x1}, @BATADV_ATTR_ORIG_ADDRESS={0xa, 0x9, @link_local={0x1, 0x80, 0xc2, 0x0, 0x0, 0x3}}, @BATADV_ATTR_NETWORK_CODING_ENABLED={0x5, 0x38, 0x1}, @BATADV_ATTR_ISOLATION_MARK={0x8, 0x2b, 0x80000001}, @BATADV_ATTR_NETWORK_CODING_ENABLED={0x5, 0x38, 0x1}]}, 0x48}, 0x1, 0x0, 0x0, 0x4004084}, 0x4004810) (async) syz_open_dev$ndb(&(0x7f00000002c0), 0x0, 0x0) (async) ioctl$MEDIA_IOC_REQUEST_ALLOC(0xffffffffffffffff, 0x80047c05, &(0x7f0000000180)) (async) ioctl$NBD_CLEAR_QUE(0xffffffffffffffff, 0xab05) (async) ioctl$NBD_SET_SOCK(r0, 0x5452, 0xffffffffffffffff) (async) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000140)) (async) 08:02:02 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000200), r1) sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f0000000200)={0x0, 0x0, &(0x7f00000001c0)={&(0x7f0000000140)={0x1c, r2, 0x4, 0x0, 0x0, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x1c}}, 0x0) [ 1284.876665] block nbd3: not configured, cannot reconfigure [ 1284.906729] block nbd4: not configured, cannot reconfigure 08:02:02 executing program 4: syz_open_dev$ndb(&(0x7f00000002c0), 0x0, 0x0) r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000200), r1) sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f0000000200)={0x0, 0x2, &(0x7f00000001c0)={&(0x7f0000000140)={0x1c, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x1c}}, 0x0) 08:02:02 executing program 2: r0 = openat$ptmx(0xffffffffffffff9c, &(0x7f0000000040), 0x0, 0x0) r1 = syz_open_dev$tty20(0xc, 0x4, 0x1) ioctl$TCSETSF(r1, 0x5404, &(0x7f0000000900)={0x0, 0x0, 0x0, 0x0, 0x0, "9750da5e3b38a0e557884e87596d6020c84d50"}) ioctl$TIOCSTI(r1, 0x5412, &(0x7f0000000000)=0x40) ioctl$TIOCGPTPEER(r0, 0x5441, 0xdbb8) 08:02:02 executing program 1: syz_open_dev$ndb(&(0x7f00000002c0), 0x0, 0x0) r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000200), r1) sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f0000000200)={0x0, 0x0, &(0x7f00000001c0)={&(0x7f0000000140)={0x1c, r2, 0x4, 0x0, 0x0, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x1c}}, 0x0) [ 1284.941951] block nbd1: not configured, cannot reconfigure 08:02:02 executing program 5: r0 = syz_open_dev$ndb(&(0x7f00000002c0), 0x0, 0x0) r1 = syz_open_dev$ttys(0xc, 0x2, 0x0) ioctl$sock_SIOCETHTOOL(0xffffffffffffffff, 0x8946, &(0x7f0000000100)={'bond_slave_0\x00', &(0x7f0000000040)=@ethtool_gfeatures={0x3a, 0x8, [{}, {}, {}, {}, {}, {}, {}, {}]}}) (async) ioctl$sock_SIOCETHTOOL(0xffffffffffffffff, 0x8946, &(0x7f0000000100)={'bond_slave_0\x00', &(0x7f0000000040)=@ethtool_gfeatures={0x3a, 0x8, [{}, {}, {}, {}, {}, {}, {}, {}]}}) ioctl$TIOCOUTQ(r1, 0x5411, &(0x7f0000000000)) ioctl$NBD_SET_SOCK(r0, 0x5421, 0xffffffffffffffff) 08:02:02 executing program 0: r0 = syz_open_dev$ndb(&(0x7f00000002c0), 0x0, 0x40) ioctl$NBD_SET_SOCK(r0, 0x5452, 0xffffffffffffffff) 08:02:02 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000200), r1) sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f0000000200)={0x0, 0x0, &(0x7f00000001c0)={&(0x7f0000000140)={0x1c, r2, 0x7, 0x0, 0x0, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x1c}}, 0x0) 08:02:02 executing program 2: r0 = openat$ptmx(0xffffffffffffff9c, &(0x7f0000000040), 0x0, 0x0) r1 = syz_open_dev$tty20(0xc, 0x4, 0x1) ioctl$TCSETSF(r1, 0x5404, &(0x7f0000000900)={0x0, 0x0, 0x0, 0x0, 0x0, "9750da5e3b38a0e557884e87596d6020c84d50"}) ioctl$TIOCSTI(r1, 0x5412, &(0x7f0000000000)=0x40) ioctl$TIOCGPTPEER(r0, 0x5441, 0xdbb8) openat$ptmx(0xffffffffffffff9c, &(0x7f0000000040), 0x0, 0x0) (async) syz_open_dev$tty20(0xc, 0x4, 0x1) (async) ioctl$TCSETSF(r1, 0x5404, &(0x7f0000000900)={0x0, 0x0, 0x0, 0x0, 0x0, "9750da5e3b38a0e557884e87596d6020c84d50"}) (async) ioctl$TIOCSTI(r1, 0x5412, &(0x7f0000000000)=0x40) (async) ioctl$TIOCGPTPEER(r0, 0x5441, 0xdbb8) (async) 08:02:02 executing program 1: syz_open_dev$ndb(&(0x7f00000002c0), 0x0, 0x0) r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000200), r1) sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f0000000200)={0x0, 0x0, &(0x7f00000001c0)={&(0x7f0000000140)={0x1c, r2, 0x7, 0x0, 0x0, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x1c}}, 0x0) [ 1285.061008] block nbd4: not configured, cannot reconfigure 08:02:02 executing program 4: syz_open_dev$ndb(&(0x7f00000002c0), 0x0, 0x0) r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000200), r1) sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f0000000200)={0x0, 0x3, &(0x7f00000001c0)={&(0x7f0000000140)={0x1c, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x1c}}, 0x0) 08:02:02 executing program 0: r0 = syz_open_dev$ndb(&(0x7f00000002c0), 0x0, 0x40) ioctl$NBD_SET_SOCK(r0, 0x5452, 0xffffffffffffffff) 08:02:02 executing program 5: r0 = syz_open_dev$ndb(&(0x7f00000002c0), 0x0, 0x0) ioctl$NBD_SET_SOCK(r0, 0x5421, 0xffffffffffffffff) syz_open_dev$ttys(0xc, 0x2, 0x1) [ 1285.164540] block nbd3: not configured, cannot reconfigure 08:02:02 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000200), r1) sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f0000000200)={0x0, 0x0, &(0x7f00000001c0)={&(0x7f0000000140)={0x1c, r2, 0x8, 0x0, 0x0, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x1c}}, 0x0) 08:02:02 executing program 2: r0 = openat$ptmx(0xffffffffffffff9c, &(0x7f0000000040), 0x0, 0x0) r1 = syz_open_dev$tty20(0xc, 0x4, 0x1) ioctl$TCSETSF(r1, 0x5404, &(0x7f0000000900)={0x0, 0x0, 0x0, 0x0, 0x0, "9750da5e3b38a0e557884e87596d6020c84d50"}) (async) ioctl$TIOCSTI(r1, 0x5412, &(0x7f0000000000)=0x40) (async) ioctl$TIOCGPTPEER(r0, 0x5441, 0xdbb8) 08:02:02 executing program 1: syz_open_dev$ndb(&(0x7f00000002c0), 0x0, 0x0) r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000200), r1) sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f0000000200)={0x0, 0x0, &(0x7f00000001c0)={&(0x7f0000000140)={0x1c, r2, 0x8, 0x0, 0x0, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x1c}}, 0x0) 08:02:02 executing program 5: r0 = syz_open_dev$ndb(&(0x7f00000002c0), 0x0, 0x0) ioctl$NBD_SET_SOCK(r0, 0x5421, 0xffffffffffffffff) (async) syz_open_dev$ttys(0xc, 0x2, 0x1) 08:02:02 executing program 4: syz_open_dev$ndb(&(0x7f00000002c0), 0x0, 0x0) r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000200), r1) sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f0000000200)={0x0, 0x4, &(0x7f00000001c0)={&(0x7f0000000140)={0x1c, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x1c}}, 0x0) [ 1285.206506] block nbd1: not configured, cannot reconfigure [ 1285.232813] block nbd4: not configured, cannot reconfigure 08:02:02 executing program 0: r0 = syz_open_dev$ndb(&(0x7f00000002c0), 0x0, 0x40) ioctl$NBD_SET_SOCK(r0, 0x5452, 0xffffffffffffffff) 08:02:02 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000200), r1) sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f0000000200)={0x0, 0x0, &(0x7f00000001c0)={&(0x7f0000000140)={0x1c, r2, 0x9, 0x0, 0x0, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x1c}}, 0x0) 08:02:02 executing program 2: r0 = openat$ptmx(0xffffffffffffff9c, &(0x7f0000000040), 0x0, 0x0) openat$ptmx(0xffffffffffffff9c, &(0x7f0000000000), 0x84102, 0x0) ioctl$TIOCGPTPEER(r0, 0x5441, 0x80) 08:02:02 executing program 1: syz_open_dev$ndb(&(0x7f00000002c0), 0x0, 0x0) r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000200), r1) sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f0000000200)={0x0, 0x0, &(0x7f00000001c0)={&(0x7f0000000140)={0x1c, r2, 0x9, 0x0, 0x0, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x1c}}, 0x0) 08:02:02 executing program 5: r0 = syz_open_dev$ndb(&(0x7f00000002c0), 0x0, 0x0) ioctl$NBD_SET_SOCK(r0, 0x5421, 0xffffffffffffffff) syz_open_dev$ttys(0xc, 0x2, 0x1) syz_open_dev$ndb(&(0x7f00000002c0), 0x0, 0x0) (async) ioctl$NBD_SET_SOCK(r0, 0x5421, 0xffffffffffffffff) (async) syz_open_dev$ttys(0xc, 0x2, 0x1) (async) 08:02:02 executing program 4: syz_open_dev$ndb(&(0x7f00000002c0), 0x0, 0x0) r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000200), r1) sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f0000000200)={0x0, 0x5, &(0x7f00000001c0)={&(0x7f0000000140)={0x1c, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x1c}}, 0x0) [ 1285.361643] block nbd4: not configured, cannot reconfigure 08:02:02 executing program 0: r0 = syz_open_dev$ndb(&(0x7f00000002c0), 0x0, 0x0) ioctl$NBD_SET_SOCK(r0, 0x5452, 0xffffffffffffffff) 08:02:03 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000200), r1) sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f0000000200)={0x0, 0x0, &(0x7f00000001c0)={&(0x7f0000000140)={0x1c, r2, 0x3e, 0x0, 0x0, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x1c}}, 0x0) 08:02:03 executing program 2: r0 = openat$ptmx(0xffffffffffffff9c, &(0x7f0000000040), 0x0, 0x0) openat$ptmx(0xffffffffffffff9c, &(0x7f0000000000), 0x84102, 0x0) ioctl$TIOCGPTPEER(r0, 0x5441, 0x80) [ 1285.441781] block nbd3: not configured, cannot reconfigure [ 1285.466272] block nbd1: not configured, cannot reconfigure 08:02:03 executing program 5: r0 = syz_open_dev$ndb(&(0x7f00000002c0), 0x0, 0x0) ioctl$NBD_SET_SOCK(r0, 0x5421, 0xffffffffffffffff) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f00000008c0)={0x0, 0x0, &(0x7f0000000880)={0x0}}, 0x1) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r4 = syz_genetlink_get_family_id$nbd(&(0x7f0000000200), r3) sendmsg$NBD_CMD_DISCONNECT(r2, &(0x7f00000004c0)={&(0x7f00000003c0), 0xc, &(0x7f0000000480)={&(0x7f0000000400)={0x28, r4, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_BLOCK_SIZE_BYTES={0xc}, @NBD_ATTR_BACKEND_IDENTIFIER={0x5, 0xa, '^'}]}, 0x28}}, 0x0) r5 = syz_open_dev$vcsn(&(0x7f0000000140), 0x1, 0x0) ioctl$MEDIA_IOC_REQUEST_ALLOC(r5, 0x80047c05, &(0x7f0000000180)) r6 = socket(0x1, 0x80000, 0xffffff61) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f00000000c0)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x8000003}, 0xc, &(0x7f0000000080)={&(0x7f00000005c0)=ANY=[@ANYBLOB='D\x00\x00\x00', @ANYRES16=r4, @ANYBLOB="08002abd7000fcdbdf25020000000e000a002f6465762f6e6264230000000c0005002f000000000000001400078008000100", @ANYRES32=r5, @ANYBLOB="08000100", @ANYRES32=r6, @ANYBLOB="0addea2979331821f6b9fc00a7658b2bf5e4574af4aa6430f19d02e8c852c1e8784af95497b3fe80892a6bc8777bff5f528e545cbd8dbaafbd661c16a86f4b55b1b691d3418b9660292d7d74b4"], 0x44}, 0x1, 0x0, 0x0, 0x20000001}, 0xc0) r7 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_DISCONNECT(r7, &(0x7f0000000440)={&(0x7f0000000100)={0x10, 0x0, 0x0, 0x80000000}, 0xc, &(0x7f0000000280)={&(0x7f0000000240)={0x3c, r4, 0x100, 0x4, 0x25dfdbff, {}, [@NBD_ATTR_TIMEOUT={0xc, 0x4, 0x7d}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x4}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x3c}, 0x1, 0x0, 0x0, 0x40004}, 0x4000) r8 = syz_genetlink_get_family_id$nbd(&(0x7f00000001c0), r2) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000340)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x40}, 0xc, &(0x7f0000000300)={&(0x7f0000000500)={0x90, r8, 0x18ec63bff069aef, 0x70bd27, 0x25dfdbfc, {}, [@NBD_ATTR_BACKEND_IDENTIFIER={0xe, 0xa, '/dev/nbd#\x00'}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_BACKEND_IDENTIFIER={0xe, 0xa, '/dev/vcs#\x00'}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x3}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x1}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x1f}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x9}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x1f}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0xfaa7}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x7}]}, 0x90}, 0x1, 0x0, 0x0, 0x4000}, 0x24040090) 08:02:03 executing program 1: syz_open_dev$ndb(&(0x7f00000002c0), 0x0, 0x0) r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000200), r1) sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f0000000200)={0x0, 0x0, &(0x7f00000001c0)={&(0x7f0000000140)={0x1c, r2, 0x3e, 0x0, 0x0, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x1c}}, 0x0) 08:02:03 executing program 0: r0 = syz_open_dev$ndb(&(0x7f00000002c0), 0x0, 0x0) ioctl$NBD_SET_SOCK(r0, 0x5452, 0xffffffffffffffff) 08:02:03 executing program 4: syz_open_dev$ndb(&(0x7f00000002c0), 0x0, 0x0) r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000200), r1) sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f0000000200)={0x0, 0x6, &(0x7f00000001c0)={&(0x7f0000000140)={0x1c, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x1c}}, 0x0) [ 1285.509419] block nbd4: not configured, cannot reconfigure 08:02:03 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000200), r1) sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f0000000200)={0x0, 0x0, &(0x7f00000001c0)={&(0x7f0000000140)={0x1c, r2, 0x66, 0x0, 0x0, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x1c}}, 0x0) 08:02:03 executing program 2: r0 = openat$ptmx(0xffffffffffffff9c, &(0x7f0000000040), 0x0, 0x0) openat$ptmx(0xffffffffffffff9c, &(0x7f0000000000), 0x84102, 0x0) (async) ioctl$TIOCGPTPEER(r0, 0x5441, 0x80) 08:02:03 executing program 1: syz_open_dev$ndb(&(0x7f00000002c0), 0x0, 0x0) r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000200), r1) sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f0000000200)={0x0, 0x0, &(0x7f00000001c0)={&(0x7f0000000140)={0x1c, r2, 0x66, 0x0, 0x0, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x1c}}, 0x0) [ 1285.612151] nbd: must specify an index to disconnect 08:02:03 executing program 5: r0 = syz_open_dev$ndb(&(0x7f00000002c0), 0x0, 0x0) ioctl$NBD_SET_SOCK(r0, 0x5421, 0xffffffffffffffff) (async) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f00000008c0)={0x0, 0x0, &(0x7f0000000880)={0x0}}, 0x1) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r4 = syz_genetlink_get_family_id$nbd(&(0x7f0000000200), r3) sendmsg$NBD_CMD_DISCONNECT(r2, &(0x7f00000004c0)={&(0x7f00000003c0), 0xc, &(0x7f0000000480)={&(0x7f0000000400)={0x28, r4, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_BLOCK_SIZE_BYTES={0xc}, @NBD_ATTR_BACKEND_IDENTIFIER={0x5, 0xa, '^'}]}, 0x28}}, 0x0) r5 = syz_open_dev$vcsn(&(0x7f0000000140), 0x1, 0x0) ioctl$MEDIA_IOC_REQUEST_ALLOC(r5, 0x80047c05, &(0x7f0000000180)) r6 = socket(0x1, 0x80000, 0xffffff61) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f00000000c0)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x8000003}, 0xc, &(0x7f0000000080)={&(0x7f00000005c0)=ANY=[@ANYBLOB='D\x00\x00\x00', @ANYRES16=r4, @ANYBLOB="08002abd7000fcdbdf25020000000e000a002f6465762f6e6264230000000c0005002f000000000000001400078008000100", @ANYRES32=r5, @ANYBLOB="08000100", @ANYRES32=r6, @ANYBLOB="0addea2979331821f6b9fc00a7658b2bf5e4574af4aa6430f19d02e8c852c1e8784af95497b3fe80892a6bc8777bff5f528e545cbd8dbaafbd661c16a86f4b55b1b691d3418b9660292d7d74b4"], 0x44}, 0x1, 0x0, 0x0, 0x20000001}, 0xc0) (async) r7 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_DISCONNECT(r7, &(0x7f0000000440)={&(0x7f0000000100)={0x10, 0x0, 0x0, 0x80000000}, 0xc, &(0x7f0000000280)={&(0x7f0000000240)={0x3c, r4, 0x100, 0x4, 0x25dfdbff, {}, [@NBD_ATTR_TIMEOUT={0xc, 0x4, 0x7d}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x4}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x3c}, 0x1, 0x0, 0x0, 0x40004}, 0x4000) (async) r8 = syz_genetlink_get_family_id$nbd(&(0x7f00000001c0), r2) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000340)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x40}, 0xc, &(0x7f0000000300)={&(0x7f0000000500)={0x90, r8, 0x18ec63bff069aef, 0x70bd27, 0x25dfdbfc, {}, [@NBD_ATTR_BACKEND_IDENTIFIER={0xe, 0xa, '/dev/nbd#\x00'}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_BACKEND_IDENTIFIER={0xe, 0xa, '/dev/vcs#\x00'}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x3}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x1}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x1f}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x9}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x1f}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0xfaa7}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x7}]}, 0x90}, 0x1, 0x0, 0x0, 0x4000}, 0x24040090) 08:02:03 executing program 0: r0 = syz_open_dev$ndb(&(0x7f00000002c0), 0x0, 0x0) ioctl$NBD_SET_SOCK(r0, 0x5452, 0xffffffffffffffff) 08:02:03 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000200), r1) sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f0000000200)={0x0, 0x0, &(0x7f00000001c0)={&(0x7f0000000140)={0x1c, r2, 0x3db, 0x0, 0x0, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x1c}}, 0x0) [ 1285.653470] block nbd4: not configured, cannot reconfigure 08:02:03 executing program 4: syz_open_dev$ndb(&(0x7f00000002c0), 0x0, 0x0) r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000200), r1) sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f0000000200)={0x0, 0x7, &(0x7f00000001c0)={&(0x7f0000000140)={0x1c, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x1c}}, 0x0) 08:02:03 executing program 1: syz_open_dev$ndb(&(0x7f00000002c0), 0x0, 0x0) r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000200), r1) sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f0000000200)={0x0, 0x0, &(0x7f00000001c0)={&(0x7f0000000140)={0x1c, r2, 0x3db, 0x0, 0x0, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x1c}}, 0x0) 08:02:03 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000200), r1) sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f0000000200)={0x0, 0x0, &(0x7f00000001c0)={&(0x7f0000000140)={0x1c, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x1c}}, 0x0) 08:02:03 executing program 4: syz_open_dev$ndb(&(0x7f00000002c0), 0x0, 0x0) r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000200), r1) sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f0000000200)={0x0, 0xf, &(0x7f00000001c0)={&(0x7f0000000140)={0x1c, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x1c}}, 0x0) 08:02:03 executing program 5: r0 = syz_open_dev$ndb(&(0x7f00000002c0), 0x0, 0x0) ioctl$NBD_SET_SOCK(r0, 0x5421, 0xffffffffffffffff) (async, rerun: 32) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (rerun: 32) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f00000008c0)={0x0, 0x0, &(0x7f0000000880)={0x0}}, 0x1) (async) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r4 = syz_genetlink_get_family_id$nbd(&(0x7f0000000200), r3) sendmsg$NBD_CMD_DISCONNECT(r2, &(0x7f00000004c0)={&(0x7f00000003c0), 0xc, &(0x7f0000000480)={&(0x7f0000000400)={0x28, r4, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_BLOCK_SIZE_BYTES={0xc}, @NBD_ATTR_BACKEND_IDENTIFIER={0x5, 0xa, '^'}]}, 0x28}}, 0x0) (async) r5 = syz_open_dev$vcsn(&(0x7f0000000140), 0x1, 0x0) ioctl$MEDIA_IOC_REQUEST_ALLOC(r5, 0x80047c05, &(0x7f0000000180)) (async, rerun: 64) r6 = socket(0x1, 0x80000, 0xffffff61) (rerun: 64) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f00000000c0)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x8000003}, 0xc, &(0x7f0000000080)={&(0x7f00000005c0)=ANY=[@ANYBLOB='D\x00\x00\x00', @ANYRES16=r4, @ANYBLOB="08002abd7000fcdbdf25020000000e000a002f6465762f6e6264230000000c0005002f000000000000001400078008000100", @ANYRES32=r5, @ANYBLOB="08000100", @ANYRES32=r6, @ANYBLOB="0addea2979331821f6b9fc00a7658b2bf5e4574af4aa6430f19d02e8c852c1e8784af95497b3fe80892a6bc8777bff5f528e545cbd8dbaafbd661c16a86f4b55b1b691d3418b9660292d7d74b4"], 0x44}, 0x1, 0x0, 0x0, 0x20000001}, 0xc0) (async) r7 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_DISCONNECT(r7, &(0x7f0000000440)={&(0x7f0000000100)={0x10, 0x0, 0x0, 0x80000000}, 0xc, &(0x7f0000000280)={&(0x7f0000000240)={0x3c, r4, 0x100, 0x4, 0x25dfdbff, {}, [@NBD_ATTR_TIMEOUT={0xc, 0x4, 0x7d}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x4}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x3c}, 0x1, 0x0, 0x0, 0x40004}, 0x4000) (async) r8 = syz_genetlink_get_family_id$nbd(&(0x7f00000001c0), r2) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000340)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x40}, 0xc, &(0x7f0000000300)={&(0x7f0000000500)={0x90, r8, 0x18ec63bff069aef, 0x70bd27, 0x25dfdbfc, {}, [@NBD_ATTR_BACKEND_IDENTIFIER={0xe, 0xa, '/dev/nbd#\x00'}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_BACKEND_IDENTIFIER={0xe, 0xa, '/dev/vcs#\x00'}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x3}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x1}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x1f}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x9}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x1f}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0xfaa7}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x7}]}, 0x90}, 0x1, 0x0, 0x0, 0x4000}, 0x24040090) [ 1285.776849] block nbd4: not configured, cannot reconfigure [ 1285.786166] nbd: must specify an index to disconnect 08:02:03 executing program 0: r0 = syz_open_dev$tty20(0xc, 0x4, 0x1) ioctl$TCSETSF(r0, 0x5404, &(0x7f0000000900)={0x0, 0x0, 0x0, 0x0, 0x0, "9750da5e3b38a0e557884e87596d6020c84d50"}) ioctl$TIOCL_BLANKSCREEN(r0, 0x541c, &(0x7f0000000000)) r1 = syz_open_dev$ndb(&(0x7f00000002c0), 0x0, 0x0) ioctl$NBD_SET_SOCK(r1, 0x5452, 0xffffffffffffffff) 08:02:03 executing program 2: r0 = openat$ptmx(0xffffffffffffff9c, &(0x7f0000000040), 0x0, 0x0) ioctl$KDSIGACCEPT(r0, 0x4b4e, 0x36) ioctl$TIOCGPTPEER(r0, 0x5441, 0xdbb8) r1 = socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$batadv(&(0x7f0000000480), 0xffffffffffffffff) sendmsg$BATADV_CMD_TP_METER_CANCEL(r1, &(0x7f0000000580)={0x0, 0x0, &(0x7f0000000540)={&(0x7f00000004c0)={0x14, r2, 0x1}, 0x14}}, 0x0) sendmsg$BATADV_CMD_GET_GATEWAYS(0xffffffffffffffff, &(0x7f0000000100)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x8}, 0xc, &(0x7f00000000c0)={&(0x7f0000000080)=ANY=[@ANYBLOB="28000080", @ANYRES16=r2, @ANYBLOB="000128bd7000fddbdf250a0000000a000900ffffffffffff00000500380000000000"], 0x28}, 0x1, 0x0, 0x0, 0x40}, 0x40850) 08:02:03 executing program 0: r0 = syz_open_dev$tty20(0xc, 0x4, 0x1) ioctl$TCSETSF(r0, 0x5404, &(0x7f0000000900)={0x0, 0x0, 0x0, 0x0, 0x0, "9750da5e3b38a0e557884e87596d6020c84d50"}) ioctl$TIOCL_BLANKSCREEN(r0, 0x541c, &(0x7f0000000000)) syz_open_dev$ndb(&(0x7f00000002c0), 0x0, 0x0) (async) r1 = syz_open_dev$ndb(&(0x7f00000002c0), 0x0, 0x0) ioctl$NBD_SET_SOCK(r1, 0x5452, 0xffffffffffffffff) 08:02:03 executing program 1: syz_open_dev$ndb(&(0x7f00000002c0), 0x0, 0x0) r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000200), r1) sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f0000000200)={0x0, 0x0, &(0x7f00000001c0)={&(0x7f0000000140)={0x1c, r2, 0x500, 0x0, 0x0, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x1c}}, 0x0) 08:02:03 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000200), r1) sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f0000000200)={0x0, 0x0, &(0x7f00000001c0)={&(0x7f0000000140)={0x1c, r2, 0x1, 0x2, 0x0, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x1c}}, 0x0) 08:02:03 executing program 4: syz_open_dev$ndb(&(0x7f00000002c0), 0x0, 0x0) r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000200), r1) sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f0000000200)={0x0, 0x48, &(0x7f00000001c0)={&(0x7f0000000140)={0x1c, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x1c}}, 0x0) 08:02:03 executing program 2: r0 = openat$ptmx(0xffffffffffffff9c, &(0x7f0000000040), 0x0, 0x0) ioctl$KDSIGACCEPT(r0, 0x4b4e, 0x36) ioctl$TIOCGPTPEER(r0, 0x5441, 0xdbb8) r1 = socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$batadv(&(0x7f0000000480), 0xffffffffffffffff) sendmsg$BATADV_CMD_TP_METER_CANCEL(r1, &(0x7f0000000580)={0x0, 0x0, &(0x7f0000000540)={&(0x7f00000004c0)={0x14, r2, 0x1}, 0x14}}, 0x0) sendmsg$BATADV_CMD_GET_GATEWAYS(0xffffffffffffffff, &(0x7f0000000100)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x8}, 0xc, &(0x7f00000000c0)={&(0x7f0000000080)=ANY=[@ANYBLOB="28000080", @ANYRES16=r2, @ANYBLOB="000128bd7000fddbdf250a0000000a000900ffffffffffff00000500380000000000"], 0x28}, 0x1, 0x0, 0x0, 0x40}, 0x40850) openat$ptmx(0xffffffffffffff9c, &(0x7f0000000040), 0x0, 0x0) (async) ioctl$KDSIGACCEPT(r0, 0x4b4e, 0x36) (async) ioctl$TIOCGPTPEER(r0, 0x5441, 0xdbb8) (async) socket$nl_generic(0x10, 0x3, 0x10) (async) syz_genetlink_get_family_id$batadv(&(0x7f0000000480), 0xffffffffffffffff) (async) sendmsg$BATADV_CMD_TP_METER_CANCEL(r1, &(0x7f0000000580)={0x0, 0x0, &(0x7f0000000540)={&(0x7f00000004c0)={0x14, r2, 0x1}, 0x14}}, 0x0) (async) sendmsg$BATADV_CMD_GET_GATEWAYS(0xffffffffffffffff, &(0x7f0000000100)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x8}, 0xc, &(0x7f00000000c0)={&(0x7f0000000080)=ANY=[@ANYBLOB="28000080", @ANYRES16=r2, @ANYBLOB="000128bd7000fddbdf250a0000000a000900ffffffffffff00000500380000000000"], 0x28}, 0x1, 0x0, 0x0, 0x40}, 0x40850) (async) [ 1285.902842] block nbd3: not configured, cannot reconfigure [ 1285.924070] block nbd4: not configured, cannot reconfigure [ 1285.981516] nbd: must specify an index to disconnect 08:02:03 executing program 5: r0 = syz_open_dev$ndb(&(0x7f00000002c0), 0x0, 0x0) ioctl$NBD_SET_SOCK(r0, 0x5421, 0xffffffffffffffff) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), 0xffffffffffffffff) r3 = syz_open_dev$vcsn(&(0x7f0000000140), 0x1, 0x0) ioctl$MEDIA_IOC_REQUEST_ALLOC(r3, 0x80047c05, &(0x7f0000000180)) r4 = syz_open_dev$vcsn(&(0x7f0000000080), 0x2, 0x14000) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f00000000c0)={0xffffffffffffffff}) r6 = syz_open_dev$vcsn(&(0x7f0000000140), 0x1, 0x0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f00000004c0)={&(0x7f0000000280)={0x10, 0x0, 0x0, 0x20000}, 0xc, &(0x7f0000000480)={&(0x7f0000000400)={0x7c, r2, 0x800, 0x70bd25, 0x25dfdbfd, {}, [@NBD_ATTR_TIMEOUT={0xc, 0x4, 0x5}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_CLIENT_FLAGS={0xc}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x9}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x4}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x9}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x7fff}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0xff}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x4}]}, 0x7c}, 0x1, 0x0, 0x0, 0x4}, 0x0) ioctl$MEDIA_IOC_REQUEST_ALLOC(r6, 0x80047c05, &(0x7f0000000180)) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000100)={0xffffffffffffffff}) r8 = syz_open_dev$vcsn(&(0x7f0000000140), 0x1, 0x0) ioctl$MEDIA_IOC_REQUEST_ALLOC(r8, 0x80047c05, &(0x7f0000000180)) r9 = syz_open_dev$vcsn(&(0x7f0000000140), 0x0, 0x1) r10 = syz_open_dev$vcsn(&(0x7f0000000140), 0x1, 0x0) ioctl$MEDIA_IOC_REQUEST_ALLOC(r10, 0x80047c05, &(0x7f0000000180)) r11 = syz_open_dev$vcsn(&(0x7f0000000140), 0x1, 0x0) ioctl$MEDIA_IOC_REQUEST_ALLOC(r11, 0x80047c05, &(0x7f0000000180)) r12 = syz_open_dev$vcsn(&(0x7f0000000180), 0xffffffffffffffff, 0x200000) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f00000001c0)={0xffffffffffffffff}) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f0000000240)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x2000000}, 0xc, &(0x7f0000000200)={&(0x7f0000000640)=ANY=[@ANYBLOB="e8000000", @ANYRES16=r2, @ANYBLOB="00022cbd7000ffdbdf25020000000c000300fbffffffffffffff0c00080004000000000000003c00078008000100", @ANYRES32=r3, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="a40f150889e38354b4a7bc1eb3d5f591294c536f4ed571ccb3fa454997f4cf68364a632bb12dc5", @ANYRES32=r4, @ANYBLOB="08000100", @ANYRES32=r4, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32=r5, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="4400078008000100", @ANYRES32=r6, @ANYBLOB="08000100", @ANYRES32=r7, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="0a0001004da0dd423b057459b387b79095cf338dabb0ebdb75c8baf14e0acacb8ab6c4d15b373a337d30c9d4a04464b693fe8a79e87584a4adb893a110b8c25ffdc4bd5509395c6690", @ANYRES32=r8, @ANYBLOB="08000100", @ANYRES32=r9, @ANYBLOB="08000100", @ANYRES32=r10, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32=r11, @ANYBLOB="08000100000000003400078008000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32=r12, @ANYBLOB="08000100", @ANYRES32=r13, @ANYBLOB="08000100", @ANYRES32=r0, @ANYBLOB], 0xe8}, 0x1, 0x0, 0x0, 0x4001}, 0x800) 08:02:03 executing program 1: syz_open_dev$ndb(&(0x7f00000002c0), 0x0, 0x0) r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000200), r1) sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f0000000200)={0x0, 0x0, &(0x7f00000001c0)={&(0x7f0000000140)={0x1c, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x1c}}, 0x0) 08:02:03 executing program 0: r0 = syz_open_dev$tty20(0xc, 0x4, 0x1) ioctl$TCSETSF(r0, 0x5404, &(0x7f0000000900)={0x0, 0x0, 0x0, 0x0, 0x0, "9750da5e3b38a0e557884e87596d6020c84d50"}) (async) ioctl$TCSETSF(r0, 0x5404, &(0x7f0000000900)={0x0, 0x0, 0x0, 0x0, 0x0, "9750da5e3b38a0e557884e87596d6020c84d50"}) ioctl$TIOCL_BLANKSCREEN(r0, 0x541c, &(0x7f0000000000)) r1 = syz_open_dev$ndb(&(0x7f00000002c0), 0x0, 0x0) ioctl$NBD_SET_SOCK(r1, 0x5452, 0xffffffffffffffff) 08:02:03 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000200), r1) sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f0000000200)={0x0, 0x0, &(0x7f00000001c0)={&(0x7f0000000140)={0x1c, r2, 0x1, 0x3, 0x0, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x1c}}, 0x0) 08:02:03 executing program 4: syz_open_dev$ndb(&(0x7f00000002c0), 0x0, 0x0) r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000200), r1) sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f0000000200)={0x0, 0x4c, &(0x7f00000001c0)={&(0x7f0000000140)={0x1c, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x1c}}, 0x0) [ 1286.072192] block nbd3: not configured, cannot reconfigure [ 1286.103486] block nbd4: not configured, cannot reconfigure [ 1286.115436] block nbd1: not configured, cannot reconfigure 08:02:03 executing program 2: r0 = openat$ptmx(0xffffffffffffff9c, &(0x7f0000000040), 0x0, 0x0) ioctl$KDSIGACCEPT(r0, 0x4b4e, 0x36) (async) ioctl$TIOCGPTPEER(r0, 0x5441, 0xdbb8) r1 = socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$batadv(&(0x7f0000000480), 0xffffffffffffffff) sendmsg$BATADV_CMD_TP_METER_CANCEL(r1, &(0x7f0000000580)={0x0, 0x0, &(0x7f0000000540)={&(0x7f00000004c0)={0x14, r2, 0x1}, 0x14}}, 0x0) (async) sendmsg$BATADV_CMD_GET_GATEWAYS(0xffffffffffffffff, &(0x7f0000000100)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x8}, 0xc, &(0x7f00000000c0)={&(0x7f0000000080)=ANY=[@ANYBLOB="28000080", @ANYRES16=r2, @ANYBLOB="000128bd7000fddbdf250a0000000a000900ffffffffffff00000500380000000000"], 0x28}, 0x1, 0x0, 0x0, 0x40}, 0x40850) 08:02:03 executing program 1: syz_open_dev$ndb(&(0x7f00000002c0), 0x0, 0x0) r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000200), r1) sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f0000000200)={0x0, 0x0, &(0x7f00000001c0)={&(0x7f0000000140)={0x1c, r2, 0x1, 0x2, 0x0, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x1c}}, 0x0) 08:02:03 executing program 5: r0 = syz_open_dev$ndb(&(0x7f00000002c0), 0x0, 0x0) ioctl$NBD_SET_SOCK(r0, 0x5421, 0xffffffffffffffff) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), 0xffffffffffffffff) r3 = syz_open_dev$vcsn(&(0x7f0000000140), 0x1, 0x0) ioctl$MEDIA_IOC_REQUEST_ALLOC(r3, 0x80047c05, &(0x7f0000000180)) (async) r4 = syz_open_dev$vcsn(&(0x7f0000000080), 0x2, 0x14000) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f00000000c0)={0xffffffffffffffff}) r6 = syz_open_dev$vcsn(&(0x7f0000000140), 0x1, 0x0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f00000004c0)={&(0x7f0000000280)={0x10, 0x0, 0x0, 0x20000}, 0xc, &(0x7f0000000480)={&(0x7f0000000400)={0x7c, r2, 0x800, 0x70bd25, 0x25dfdbfd, {}, [@NBD_ATTR_TIMEOUT={0xc, 0x4, 0x5}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_CLIENT_FLAGS={0xc}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x9}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x4}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x9}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x7fff}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0xff}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x4}]}, 0x7c}, 0x1, 0x0, 0x0, 0x4}, 0x0) (async) ioctl$MEDIA_IOC_REQUEST_ALLOC(r6, 0x80047c05, &(0x7f0000000180)) (async) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000100)={0xffffffffffffffff}) r8 = syz_open_dev$vcsn(&(0x7f0000000140), 0x1, 0x0) ioctl$MEDIA_IOC_REQUEST_ALLOC(r8, 0x80047c05, &(0x7f0000000180)) (async) r9 = syz_open_dev$vcsn(&(0x7f0000000140), 0x0, 0x1) (async) r10 = syz_open_dev$vcsn(&(0x7f0000000140), 0x1, 0x0) ioctl$MEDIA_IOC_REQUEST_ALLOC(r10, 0x80047c05, &(0x7f0000000180)) r11 = syz_open_dev$vcsn(&(0x7f0000000140), 0x1, 0x0) ioctl$MEDIA_IOC_REQUEST_ALLOC(r11, 0x80047c05, &(0x7f0000000180)) (async) r12 = syz_open_dev$vcsn(&(0x7f0000000180), 0xffffffffffffffff, 0x200000) (async) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f00000001c0)={0xffffffffffffffff}) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f0000000240)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x2000000}, 0xc, &(0x7f0000000200)={&(0x7f0000000640)=ANY=[@ANYBLOB="e8000000", @ANYRES16=r2, @ANYBLOB="00022cbd7000ffdbdf25020000000c000300fbffffffffffffff0c00080004000000000000003c00078008000100", @ANYRES32=r3, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="a40f150889e38354b4a7bc1eb3d5f591294c536f4ed571ccb3fa454997f4cf68364a632bb12dc5", @ANYRES32=r4, @ANYBLOB="08000100", @ANYRES32=r4, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32=r5, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="4400078008000100", @ANYRES32=r6, @ANYBLOB="08000100", @ANYRES32=r7, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="0a0001004da0dd423b057459b387b79095cf338dabb0ebdb75c8baf14e0acacb8ab6c4d15b373a337d30c9d4a04464b693fe8a79e87584a4adb893a110b8c25ffdc4bd5509395c6690", @ANYRES32=r8, @ANYBLOB="08000100", @ANYRES32=r9, @ANYBLOB="08000100", @ANYRES32=r10, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32=r11, @ANYBLOB="08000100000000003400078008000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32=r12, @ANYBLOB="08000100", @ANYRES32=r13, @ANYBLOB="08000100", @ANYRES32=r0, @ANYBLOB], 0xe8}, 0x1, 0x0, 0x0, 0x4001}, 0x800) 08:02:03 executing program 0: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x400000) ioctl$NBD_SET_SOCK(r0, 0x5452, 0xffffffffffffffff) ioctl$NBD_SET_BLKSIZE(r0, 0xab01, 0xd5) [ 1286.222008] block nbd3: not configured, cannot reconfigure [ 1286.260130] block nbd4: not configured, cannot reconfigure 08:02:03 executing program 2: r0 = openat$ptmx(0xffffffffffffff9c, &(0x7f0000000040), 0x0, 0x0) ioctl$TIOCGPTPEER(r0, 0x5441, 0xdbb8) syz_open_dev$tty20(0xc, 0x4, 0x1) 08:02:03 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000200), r1) sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f0000000200)={0x0, 0x0, &(0x7f00000001c0)={&(0x7f0000000140)={0x1c, r2, 0x1, 0x4, 0x0, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x1c}}, 0x0) 08:02:03 executing program 4: syz_open_dev$ndb(&(0x7f00000002c0), 0x0, 0x0) r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000200), r1) sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f0000000200)={0x0, 0x60, &(0x7f00000001c0)={&(0x7f0000000140)={0x1c, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x1c}}, 0x0) 08:02:03 executing program 5: r0 = syz_open_dev$ndb(&(0x7f00000002c0), 0x0, 0x0) ioctl$NBD_SET_SOCK(r0, 0x5421, 0xffffffffffffffff) (async) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), 0xffffffffffffffff) (async) r3 = syz_open_dev$vcsn(&(0x7f0000000140), 0x1, 0x0) ioctl$MEDIA_IOC_REQUEST_ALLOC(r3, 0x80047c05, &(0x7f0000000180)) (async) r4 = syz_open_dev$vcsn(&(0x7f0000000080), 0x2, 0x14000) (async) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f00000000c0)={0xffffffffffffffff}) r6 = syz_open_dev$vcsn(&(0x7f0000000140), 0x1, 0x0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f00000004c0)={&(0x7f0000000280)={0x10, 0x0, 0x0, 0x20000}, 0xc, &(0x7f0000000480)={&(0x7f0000000400)={0x7c, r2, 0x800, 0x70bd25, 0x25dfdbfd, {}, [@NBD_ATTR_TIMEOUT={0xc, 0x4, 0x5}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_CLIENT_FLAGS={0xc}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x9}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x4}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x9}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x7fff}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0xff}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x4}]}, 0x7c}, 0x1, 0x0, 0x0, 0x4}, 0x0) (async) ioctl$MEDIA_IOC_REQUEST_ALLOC(r6, 0x80047c05, &(0x7f0000000180)) (async) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000100)={0xffffffffffffffff}) (async) r8 = syz_open_dev$vcsn(&(0x7f0000000140), 0x1, 0x0) ioctl$MEDIA_IOC_REQUEST_ALLOC(r8, 0x80047c05, &(0x7f0000000180)) r9 = syz_open_dev$vcsn(&(0x7f0000000140), 0x0, 0x1) (async) r10 = syz_open_dev$vcsn(&(0x7f0000000140), 0x1, 0x0) ioctl$MEDIA_IOC_REQUEST_ALLOC(r10, 0x80047c05, &(0x7f0000000180)) (async) r11 = syz_open_dev$vcsn(&(0x7f0000000140), 0x1, 0x0) ioctl$MEDIA_IOC_REQUEST_ALLOC(r11, 0x80047c05, &(0x7f0000000180)) (async) r12 = syz_open_dev$vcsn(&(0x7f0000000180), 0xffffffffffffffff, 0x200000) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f00000001c0)={0xffffffffffffffff}) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f0000000240)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x2000000}, 0xc, &(0x7f0000000200)={&(0x7f0000000640)=ANY=[@ANYBLOB="e8000000", @ANYRES16=r2, @ANYBLOB="00022cbd7000ffdbdf25020000000c000300fbffffffffffffff0c00080004000000000000003c00078008000100", @ANYRES32=r3, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="a40f150889e38354b4a7bc1eb3d5f591294c536f4ed571ccb3fa454997f4cf68364a632bb12dc5", @ANYRES32=r4, @ANYBLOB="08000100", @ANYRES32=r4, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32=r5, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="4400078008000100", @ANYRES32=r6, @ANYBLOB="08000100", @ANYRES32=r7, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="0a0001004da0dd423b057459b387b79095cf338dabb0ebdb75c8baf14e0acacb8ab6c4d15b373a337d30c9d4a04464b693fe8a79e87584a4adb893a110b8c25ffdc4bd5509395c6690", @ANYRES32=r8, @ANYBLOB="08000100", @ANYRES32=r9, @ANYBLOB="08000100", @ANYRES32=r10, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32=r11, @ANYBLOB="08000100000000003400078008000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32=r12, @ANYBLOB="08000100", @ANYRES32=r13, @ANYBLOB="08000100", @ANYRES32=r0, @ANYBLOB], 0xe8}, 0x1, 0x0, 0x0, 0x4001}, 0x800) [ 1286.276327] block nbd1: not configured, cannot reconfigure 08:02:03 executing program 0: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x400000) ioctl$NBD_SET_SOCK(r0, 0x5452, 0xffffffffffffffff) ioctl$NBD_SET_BLKSIZE(r0, 0xab01, 0xd5) syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x400000) (async) ioctl$NBD_SET_SOCK(r0, 0x5452, 0xffffffffffffffff) (async) ioctl$NBD_SET_BLKSIZE(r0, 0xab01, 0xd5) (async) 08:02:03 executing program 1: syz_open_dev$ndb(&(0x7f00000002c0), 0x0, 0x0) r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000200), r1) sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f0000000200)={0x0, 0x0, &(0x7f00000001c0)={&(0x7f0000000140)={0x1c, r2, 0x1, 0x3, 0x0, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x1c}}, 0x0) 08:02:03 executing program 2: r0 = openat$ptmx(0xffffffffffffff9c, &(0x7f0000000040), 0x0, 0x0) ioctl$TIOCGPTPEER(r0, 0x5441, 0xdbb8) syz_open_dev$tty20(0xc, 0x4, 0x1) 08:02:03 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000200), r1) sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f0000000200)={0x0, 0x0, &(0x7f00000001c0)={&(0x7f0000000140)={0x1c, r2, 0x1, 0x5, 0x0, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x1c}}, 0x0) [ 1286.358529] block nbd3: not configured, cannot reconfigure [ 1286.393267] block nbd4: not configured, cannot reconfigure 08:02:03 executing program 4: syz_open_dev$ndb(&(0x7f00000002c0), 0x0, 0x0) r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000200), r1) sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f0000000200)={0x0, 0x68, &(0x7f00000001c0)={&(0x7f0000000140)={0x1c, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x1c}}, 0x0) 08:02:04 executing program 1: syz_open_dev$ndb(&(0x7f00000002c0), 0x0, 0x0) r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000200), r1) sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f0000000200)={0x0, 0x0, &(0x7f00000001c0)={&(0x7f0000000140)={0x1c, r2, 0x1, 0x4, 0x0, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x1c}}, 0x0) 08:02:04 executing program 5: r0 = syz_open_dev$ndb(&(0x7f00000002c0), 0x0, 0x0) ioctl$TUNGETVNETLE(0xffffffffffffffff, 0x800454dd, &(0x7f0000000000)) ioctl$NBD_SET_SOCK(r0, 0x5421, 0xffffffffffffffff) 08:02:04 executing program 0: syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x400000) (async) r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x400000) ioctl$NBD_SET_SOCK(r0, 0x5452, 0xffffffffffffffff) ioctl$NBD_SET_BLKSIZE(r0, 0xab01, 0xd5) [ 1286.436358] block nbd1: not configured, cannot reconfigure 08:02:04 executing program 2: r0 = openat$ptmx(0xffffffffffffff9c, &(0x7f0000000040), 0x0, 0x0) ioctl$TIOCGPTPEER(r0, 0x5441, 0xdbb8) syz_open_dev$tty20(0xc, 0x4, 0x1) openat$ptmx(0xffffffffffffff9c, &(0x7f0000000040), 0x0, 0x0) (async) ioctl$TIOCGPTPEER(r0, 0x5441, 0xdbb8) (async) syz_open_dev$tty20(0xc, 0x4, 0x1) (async) [ 1286.497459] block nbd3: not configured, cannot reconfigure 08:02:04 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000200), r1) sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f0000000200)={0x0, 0x0, &(0x7f00000001c0)={&(0x7f0000000140)={0x1c, r2, 0x1, 0x6, 0x0, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x1c}}, 0x0) 08:02:04 executing program 5: r0 = syz_open_dev$ndb(&(0x7f00000002c0), 0x0, 0x0) ioctl$TUNGETVNETLE(0xffffffffffffffff, 0x800454dd, &(0x7f0000000000)) (async) ioctl$NBD_SET_SOCK(r0, 0x5421, 0xffffffffffffffff) 08:02:04 executing program 2: r0 = openat$ptmx(0xffffffffffffff9c, &(0x7f0000000040), 0x0, 0x0) ioctl$VHOST_VDPA_GET_AS_NUM(0xffffffffffffffff, 0x8004af7a, &(0x7f0000000000)) ioctl$TIOCGPTPEER(r0, 0x5441, 0xdbb8) [ 1286.540354] block nbd4: not configured, cannot reconfigure [ 1286.576174] block nbd1: not configured, cannot reconfigure 08:02:04 executing program 4: syz_open_dev$ndb(&(0x7f00000002c0), 0x0, 0x0) r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000200), r1) sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f0000000200)={0x0, 0x6c, &(0x7f00000001c0)={&(0x7f0000000140)={0x1c, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x1c}}, 0x0) 08:02:04 executing program 0: r0 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x400000) r1 = inotify_add_watch(0xffffffffffffffff, &(0x7f0000000000)='./file0\x00', 0x0) inotify_rm_watch(0xffffffffffffffff, r1) ioctl$NBD_SET_SOCK(r0, 0x5452, 0xffffffffffffffff) 08:02:04 executing program 1: syz_open_dev$ndb(&(0x7f00000002c0), 0x0, 0x0) r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000200), r1) sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f0000000200)={0x0, 0x0, &(0x7f00000001c0)={&(0x7f0000000140)={0x1c, r2, 0x1, 0x5, 0x0, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x1c}}, 0x0) [ 1286.636059] block nbd3: not configured, cannot reconfigure 08:02:04 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000200), r1) sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f0000000200)={0x0, 0x0, &(0x7f00000001c0)={&(0x7f0000000140)={0x1c, r2, 0x1, 0x7, 0x0, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x1c}}, 0x0) 08:02:04 executing program 4: syz_open_dev$ndb(&(0x7f00000002c0), 0x0, 0x0) r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000200), r1) sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f0000000200)={0x0, 0x74, &(0x7f00000001c0)={&(0x7f0000000140)={0x1c, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x1c}}, 0x0) 08:02:04 executing program 0: r0 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x400000) (async) r1 = inotify_add_watch(0xffffffffffffffff, &(0x7f0000000000)='./file0\x00', 0x0) inotify_rm_watch(0xffffffffffffffff, r1) ioctl$NBD_SET_SOCK(r0, 0x5452, 0xffffffffffffffff) 08:02:04 executing program 2: r0 = openat$ptmx(0xffffffffffffff9c, &(0x7f0000000040), 0x0, 0x0) (async) ioctl$VHOST_VDPA_GET_AS_NUM(0xffffffffffffffff, 0x8004af7a, &(0x7f0000000000)) ioctl$TIOCGPTPEER(r0, 0x5441, 0xdbb8) [ 1286.693769] block nbd4: not configured, cannot reconfigure 08:02:04 executing program 5: r0 = syz_open_dev$ndb(&(0x7f00000002c0), 0x0, 0x0) (async) ioctl$TUNGETVNETLE(0xffffffffffffffff, 0x800454dd, &(0x7f0000000000)) ioctl$NBD_SET_SOCK(r0, 0x5421, 0xffffffffffffffff) 08:02:04 executing program 1: syz_open_dev$ndb(&(0x7f00000002c0), 0x0, 0x0) r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000200), r1) sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f0000000200)={0x0, 0x0, &(0x7f00000001c0)={&(0x7f0000000140)={0x1c, r2, 0x1, 0x6, 0x0, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x1c}}, 0x0) [ 1286.751737] block nbd1: not configured, cannot reconfigure 08:02:04 executing program 2: r0 = openat$ptmx(0xffffffffffffff9c, &(0x7f0000000040), 0x0, 0x0) ioctl$VHOST_VDPA_GET_AS_NUM(0xffffffffffffffff, 0x8004af7a, &(0x7f0000000000)) (async) ioctl$TIOCGPTPEER(r0, 0x5441, 0xdbb8) 08:02:04 executing program 0: r0 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x400000) r1 = inotify_add_watch(0xffffffffffffffff, &(0x7f0000000000)='./file0\x00', 0x0) inotify_rm_watch(0xffffffffffffffff, r1) ioctl$NBD_SET_SOCK(r0, 0x5452, 0xffffffffffffffff) 08:02:04 executing program 5: r0 = syz_open_dev$ndb(&(0x7f00000002c0), 0x0, 0x0) ioctl$NBD_SET_BLKSIZE(r0, 0xab01, 0x7fff) ioctl$NBD_SET_SOCK(r0, 0x5421, 0xffffffffffffffff) [ 1286.813320] block nbd3: not configured, cannot reconfigure [ 1286.843730] block nbd4: not configured, cannot reconfigure 08:02:04 executing program 4: syz_open_dev$ndb(&(0x7f00000002c0), 0x0, 0x0) r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000200), r1) sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f0000000200)={0x0, 0x7a, &(0x7f00000001c0)={&(0x7f0000000140)={0x1c, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x1c}}, 0x0) 08:02:04 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000200), r1) sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f0000000200)={0x0, 0x0, &(0x7f00000001c0)={&(0x7f0000000140)={0x1c, r2, 0x1, 0x8, 0x0, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x1c}}, 0x0) 08:02:04 executing program 1: syz_open_dev$ndb(&(0x7f00000002c0), 0x0, 0x0) r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000200), r1) sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f0000000200)={0x0, 0x0, &(0x7f00000001c0)={&(0x7f0000000140)={0x1c, r2, 0x1, 0x7, 0x0, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x1c}}, 0x0) [ 1286.870017] block nbd1: not configured, cannot reconfigure 08:02:04 executing program 0: r0 = syz_open_dev$ndb(&(0x7f00000002c0), 0x0, 0x0) ioctl$NBD_SET_SOCK(r0, 0x5452, 0xffffffffffffffff) socketpair$unix(0x1, 0x0, 0x0, &(0x7f0000000000)={0xffffffffffffffff}) ioctl$ifreq_SIOCGIFINDEX_batadv_hard(r1, 0x8933, &(0x7f0000000040)={'batadv_slave_1\x00'}) 08:02:04 executing program 2: r0 = openat$ptmx(0xffffffffffffff9c, &(0x7f0000000040), 0x0, 0x0) r1 = ioctl$TIOCGPTPEER(r0, 0x5441, 0xdbb8) ioctl$AUTOFS_DEV_IOCTL_REQUESTER(0xffffffffffffffff, 0xc018937b, &(0x7f0000000000)={{0x1, 0x1, 0x18, r1, {0xee01, 0xffffffffffffffff}}, './file0\x00'}) ioctl$PIO_FONTX(r2, 0x4b6c, &(0x7f0000000480)={0x20, 0x1c, &(0x7f0000000080)="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"}) 08:02:04 executing program 5: r0 = syz_open_dev$ndb(&(0x7f00000002c0), 0x0, 0x0) ioctl$NBD_SET_BLKSIZE(r0, 0xab01, 0x7fff) (async) ioctl$NBD_SET_SOCK(r0, 0x5421, 0xffffffffffffffff) 08:02:04 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000200), r1) sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f0000000200)={0x0, 0x0, &(0x7f00000001c0)={&(0x7f0000000140)={0x1c, r2, 0x1, 0xf, 0x0, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x1c}}, 0x0) [ 1286.962706] block nbd3: not configured, cannot reconfigure [ 1286.983192] block nbd1: not configured, cannot reconfigure 08:02:04 executing program 1: syz_open_dev$ndb(&(0x7f00000002c0), 0x0, 0x0) r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000200), r1) sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f0000000200)={0x0, 0x0, &(0x7f00000001c0)={&(0x7f0000000140)={0x1c, r2, 0x1, 0x8, 0x0, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x1c}}, 0x0) 08:02:04 executing program 4: syz_open_dev$ndb(&(0x7f00000002c0), 0x0, 0x0) r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000200), r1) sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f0000000200)={0x0, 0xf0, &(0x7f00000001c0)={&(0x7f0000000140)={0x1c, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x1c}}, 0x0) [ 1287.011997] block nbd4: not configured, cannot reconfigure 08:02:04 executing program 2: r0 = openat$ptmx(0xffffffffffffff9c, &(0x7f0000000040), 0x0, 0x0) r1 = ioctl$TIOCGPTPEER(r0, 0x5441, 0xdbb8) ioctl$AUTOFS_DEV_IOCTL_REQUESTER(0xffffffffffffffff, 0xc018937b, &(0x7f0000000000)={{0x1, 0x1, 0x18, r1, {0xee01, 0xffffffffffffffff}}, './file0\x00'}) ioctl$PIO_FONTX(r2, 0x4b6c, &(0x7f0000000480)={0x20, 0x1c, &(0x7f0000000080)="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"}) 08:02:04 executing program 0: r0 = syz_open_dev$ndb(&(0x7f00000002c0), 0x0, 0x0) ioctl$NBD_SET_SOCK(r0, 0x5452, 0xffffffffffffffff) (async) socketpair$unix(0x1, 0x0, 0x0, &(0x7f0000000000)={0xffffffffffffffff}) ioctl$ifreq_SIOCGIFINDEX_batadv_hard(r1, 0x8933, &(0x7f0000000040)={'batadv_slave_1\x00'}) 08:02:04 executing program 5: r0 = syz_open_dev$ndb(&(0x7f00000002c0), 0x0, 0x0) ioctl$NBD_SET_BLKSIZE(r0, 0xab01, 0x7fff) (async) ioctl$NBD_SET_SOCK(r0, 0x5421, 0xffffffffffffffff) 08:02:04 executing program 1: syz_open_dev$ndb(&(0x7f00000002c0), 0x0, 0x0) r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000200), r1) sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f0000000200)={0x0, 0x0, &(0x7f00000001c0)={&(0x7f0000000140)={0x1c, r2, 0x1, 0xf, 0x0, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x1c}}, 0x0) 08:02:04 executing program 2: r0 = openat$ptmx(0xffffffffffffff9c, &(0x7f0000000040), 0x0, 0x0) r1 = ioctl$TIOCGPTPEER(r0, 0x5441, 0xdbb8) ioctl$AUTOFS_DEV_IOCTL_REQUESTER(0xffffffffffffffff, 0xc018937b, &(0x7f0000000000)={{0x1, 0x1, 0x18, r1, {0xee01, 0xffffffffffffffff}}, './file0\x00'}) ioctl$PIO_FONTX(r2, 0x4b6c, &(0x7f0000000480)={0x20, 0x1c, &(0x7f0000000080)="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"}) 08:02:04 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000200), r1) sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f0000000200)={0x0, 0x0, &(0x7f00000001c0)={&(0x7f0000000140)={0x1c, r2, 0x1, 0x48, 0x0, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x1c}}, 0x0) [ 1287.079757] block nbd1: not configured, cannot reconfigure [ 1287.110101] block nbd3: not configured, cannot reconfigure 08:02:04 executing program 5: r0 = syz_open_dev$ndb(&(0x7f00000002c0), 0x0, 0x0) syz_open_dev$vcsn(&(0x7f0000000000), 0x7fffffffffffffff, 0x304cf236120d155) ioctl$NBD_SET_SOCK(r0, 0x5421, 0xffffffffffffffff) [ 1287.151500] block nbd4: not configured, cannot reconfigure 08:02:04 executing program 4: syz_open_dev$ndb(&(0x7f00000002c0), 0x0, 0x0) r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000200), r1) sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f0000000200)={0x0, 0x300, &(0x7f00000001c0)={&(0x7f0000000140)={0x1c, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x1c}}, 0x0) 08:02:04 executing program 0: r0 = syz_open_dev$ndb(&(0x7f00000002c0), 0x0, 0x0) ioctl$NBD_SET_SOCK(r0, 0x5452, 0xffffffffffffffff) socketpair$unix(0x1, 0x0, 0x0, &(0x7f0000000000)={0xffffffffffffffff}) ioctl$ifreq_SIOCGIFINDEX_batadv_hard(r1, 0x8933, &(0x7f0000000040)={'batadv_slave_1\x00'}) syz_open_dev$ndb(&(0x7f00000002c0), 0x0, 0x0) (async) ioctl$NBD_SET_SOCK(r0, 0x5452, 0xffffffffffffffff) (async) socketpair$unix(0x1, 0x0, 0x0, &(0x7f0000000000)) (async) ioctl$ifreq_SIOCGIFINDEX_batadv_hard(r1, 0x8933, &(0x7f0000000040)={'batadv_slave_1\x00'}) (async) 08:02:04 executing program 2: r0 = openat$ptmx(0xffffffffffffff9c, &(0x7f0000000040), 0x0, 0x0) ioctl$TUNSETVNETHDRSZ(0xffffffffffffffff, 0x400454d8, &(0x7f0000000000)=0x100) ioctl$TIOCGPTPEER(r0, 0x5441, 0xfffefffffffffc00) [ 1287.217054] block nbd1: not configured, cannot reconfigure [ 1287.253345] block nbd3: not configured, cannot reconfigure 08:02:04 executing program 1: syz_open_dev$ndb(&(0x7f00000002c0), 0x0, 0x0) r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000200), r1) sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f0000000200)={0x0, 0x0, &(0x7f00000001c0)={&(0x7f0000000140)={0x1c, r2, 0x1, 0x48, 0x0, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x1c}}, 0x0) 08:02:04 executing program 5: r0 = syz_open_dev$ndb(&(0x7f00000002c0), 0x0, 0x0) syz_open_dev$vcsn(&(0x7f0000000000), 0x7fffffffffffffff, 0x304cf236120d155) ioctl$NBD_SET_SOCK(r0, 0x5421, 0xffffffffffffffff) syz_open_dev$ndb(&(0x7f00000002c0), 0x0, 0x0) (async) syz_open_dev$vcsn(&(0x7f0000000000), 0x7fffffffffffffff, 0x304cf236120d155) (async) ioctl$NBD_SET_SOCK(r0, 0x5421, 0xffffffffffffffff) (async) 08:02:04 executing program 4: syz_open_dev$ndb(&(0x7f00000002c0), 0x0, 0x0) r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000200), r1) sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f0000000200)={0x0, 0x500, &(0x7f00000001c0)={&(0x7f0000000140)={0x1c, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x1c}}, 0x0) 08:02:04 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000200), r1) sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f0000000200)={0x0, 0x0, &(0x7f00000001c0)={&(0x7f0000000140)={0x1c, r2, 0x1, 0x4c, 0x0, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x1c}}, 0x0) [ 1287.285333] block nbd4: not configured, cannot reconfigure 08:02:04 executing program 2: r0 = openat$ptmx(0xffffffffffffff9c, &(0x7f0000000040), 0x0, 0x0) ioctl$TUNSETVNETHDRSZ(0xffffffffffffffff, 0x400454d8, &(0x7f0000000000)=0x100) (async) ioctl$TUNSETVNETHDRSZ(0xffffffffffffffff, 0x400454d8, &(0x7f0000000000)=0x100) ioctl$TIOCGPTPEER(r0, 0x5441, 0xfffefffffffffc00) 08:02:04 executing program 0: r0 = syz_open_dev$ndb(&(0x7f00000002c0), 0x0, 0x0) ioctl$NBD_SET_BLKSIZE(r0, 0xab01, 0x831) r1 = syz_open_dev$vcsn(&(0x7f0000000140), 0x1, 0x0) ioctl$MEDIA_IOC_REQUEST_ALLOC(r1, 0x80047c05, &(0x7f0000000180)) ioctl$NBD_CLEAR_QUE(r1, 0xab05) ioctl$NBD_SET_SOCK(r0, 0x5452, 0xffffffffffffffff) [ 1287.358072] block nbd1: not configured, cannot reconfigure 08:02:04 executing program 1: syz_open_dev$ndb(&(0x7f00000002c0), 0x0, 0x0) r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000200), r1) sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f0000000200)={0x0, 0x0, &(0x7f00000001c0)={&(0x7f0000000140)={0x1c, r2, 0x1, 0x4c, 0x0, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x1c}}, 0x0) 08:02:04 executing program 4: syz_open_dev$ndb(&(0x7f00000002c0), 0x0, 0x0) r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000200), r1) sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f0000000200)={0x0, 0x600, &(0x7f00000001c0)={&(0x7f0000000140)={0x1c, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x1c}}, 0x0) 08:02:04 executing program 5: r0 = syz_open_dev$ndb(&(0x7f00000002c0), 0x0, 0x0) syz_open_dev$vcsn(&(0x7f0000000000), 0x7fffffffffffffff, 0x304cf236120d155) (async) ioctl$NBD_SET_SOCK(r0, 0x5421, 0xffffffffffffffff) 08:02:05 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000200), r1) sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f0000000200)={0x0, 0x0, &(0x7f00000001c0)={&(0x7f0000000140)={0x1c, r2, 0x1, 0x60, 0x0, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x1c}}, 0x0) [ 1287.401641] block nbd4: not configured, cannot reconfigure [ 1287.413367] block nbd3: not configured, cannot reconfigure 08:02:05 executing program 2: r0 = openat$ptmx(0xffffffffffffff9c, &(0x7f0000000040), 0x0, 0x0) (async) ioctl$TUNSETVNETHDRSZ(0xffffffffffffffff, 0x400454d8, &(0x7f0000000000)=0x100) ioctl$TIOCGPTPEER(r0, 0x5441, 0xfffefffffffffc00) 08:02:05 executing program 0: r0 = syz_open_dev$ndb(&(0x7f00000002c0), 0x0, 0x0) ioctl$NBD_SET_BLKSIZE(r0, 0xab01, 0x831) r1 = syz_open_dev$vcsn(&(0x7f0000000140), 0x1, 0x0) ioctl$MEDIA_IOC_REQUEST_ALLOC(r1, 0x80047c05, &(0x7f0000000180)) ioctl$NBD_CLEAR_QUE(r1, 0xab05) ioctl$NBD_SET_SOCK(r0, 0x5452, 0xffffffffffffffff) syz_open_dev$ndb(&(0x7f00000002c0), 0x0, 0x0) (async) ioctl$NBD_SET_BLKSIZE(r0, 0xab01, 0x831) (async) syz_open_dev$vcsn(&(0x7f0000000140), 0x1, 0x0) (async) ioctl$MEDIA_IOC_REQUEST_ALLOC(r1, 0x80047c05, &(0x7f0000000180)) (async) ioctl$NBD_CLEAR_QUE(r1, 0xab05) (async) ioctl$NBD_SET_SOCK(r0, 0x5452, 0xffffffffffffffff) (async) 08:02:05 executing program 5: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x531000) ioctl$NBD_SET_SOCK(r0, 0x5421, 0xffffffffffffffff) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_STATUS(r1, &(0x7f0000000100)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x800000}, 0xc, &(0x7f00000000c0)={&(0x7f0000000080)={0x20, 0x0, 0x200, 0x70bd2c, 0x25dfdbfb, {}, [@NBD_ATTR_SERVER_FLAGS={0xc}]}, 0x20}, 0x1, 0x0, 0x0, 0x20004800}, 0x20000001) 08:02:05 executing program 4: syz_open_dev$ndb(&(0x7f00000002c0), 0x0, 0x0) r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000200), r1) sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f0000000200)={0x0, 0x700, &(0x7f00000001c0)={&(0x7f0000000140)={0x1c, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x1c}}, 0x0) 08:02:05 executing program 1: syz_open_dev$ndb(&(0x7f00000002c0), 0x0, 0x0) r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000200), r1) sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f0000000200)={0x0, 0x0, &(0x7f00000001c0)={&(0x7f0000000140)={0x1c, r2, 0x1, 0x60, 0x0, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x1c}}, 0x0) [ 1287.502829] block nbd4: not configured, cannot reconfigure [ 1287.524722] block nbd1: not configured, cannot reconfigure [ 1287.536443] block nbd3: not configured, cannot reconfigure 08:02:05 executing program 2: r0 = openat$ptmx(0xffffffffffffff9c, &(0x7f0000000040), 0x767103, 0x0) ioctl$TIOCGPTPEER(r0, 0x5441, 0xdbb8) 08:02:05 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000200), r1) sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f0000000200)={0x0, 0x0, &(0x7f00000001c0)={&(0x7f0000000140)={0x1c, r2, 0x1, 0x68, 0x0, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x1c}}, 0x0) 08:02:05 executing program 4: syz_open_dev$ndb(&(0x7f00000002c0), 0x0, 0x0) r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000200), r1) sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f0000000200)={0x0, 0xf00, &(0x7f00000001c0)={&(0x7f0000000140)={0x1c, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x1c}}, 0x0) [ 1287.592602] block nbd4: not configured, cannot reconfigure 08:02:05 executing program 0: r0 = syz_open_dev$ndb(&(0x7f00000002c0), 0x0, 0x0) ioctl$NBD_SET_BLKSIZE(r0, 0xab01, 0x831) (async) r1 = syz_open_dev$vcsn(&(0x7f0000000140), 0x1, 0x0) ioctl$MEDIA_IOC_REQUEST_ALLOC(r1, 0x80047c05, &(0x7f0000000180)) (async) ioctl$NBD_CLEAR_QUE(r1, 0xab05) (async) ioctl$NBD_SET_SOCK(r0, 0x5452, 0xffffffffffffffff) 08:02:05 executing program 5: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x531000) ioctl$NBD_SET_SOCK(r0, 0x5421, 0xffffffffffffffff) (async) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_STATUS(r1, &(0x7f0000000100)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x800000}, 0xc, &(0x7f00000000c0)={&(0x7f0000000080)={0x20, 0x0, 0x200, 0x70bd2c, 0x25dfdbfb, {}, [@NBD_ATTR_SERVER_FLAGS={0xc}]}, 0x20}, 0x1, 0x0, 0x0, 0x20004800}, 0x20000001) 08:02:05 executing program 2: r0 = openat$ptmx(0xffffffffffffff9c, &(0x7f0000000040), 0x767103, 0x0) ioctl$TIOCGPTPEER(r0, 0x5441, 0xdbb8) openat$ptmx(0xffffffffffffff9c, &(0x7f0000000040), 0x767103, 0x0) (async) ioctl$TIOCGPTPEER(r0, 0x5441, 0xdbb8) (async) 08:02:05 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000200), r1) sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f0000000200)={0x0, 0x0, &(0x7f00000001c0)={&(0x7f0000000140)={0x1c, r2, 0x1, 0x6c, 0x0, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x1c}}, 0x0) 08:02:05 executing program 1: syz_open_dev$ndb(&(0x7f00000002c0), 0x0, 0x0) r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000200), r1) sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f0000000200)={0x0, 0x0, &(0x7f00000001c0)={&(0x7f0000000140)={0x1c, r2, 0x1, 0x68, 0x0, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x1c}}, 0x0) [ 1287.659620] block nbd3: not configured, cannot reconfigure [ 1287.678579] block nbd1: not configured, cannot reconfigure 08:02:05 executing program 0: r0 = syz_open_dev$ndb(&(0x7f00000002c0), 0x0, 0x18000) r1 = syz_open_dev$vcsn(&(0x7f0000000000), 0x974, 0x4000) ioctl$MEDIA_IOC_REQUEST_ALLOC(r1, 0x80047c05, &(0x7f0000000040)) ioctl$NBD_SET_SOCK(r0, 0x5452, 0xffffffffffffffff) 08:02:05 executing program 2: r0 = openat$ptmx(0xffffffffffffff9c, &(0x7f0000000040), 0x767103, 0x0) ioctl$TIOCGPTPEER(r0, 0x5441, 0xdbb8) [ 1287.754571] block nbd4: not configured, cannot reconfigure 08:02:05 executing program 5: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x531000) ioctl$NBD_SET_SOCK(r0, 0x5421, 0xffffffffffffffff) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_STATUS(r1, &(0x7f0000000100)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x800000}, 0xc, &(0x7f00000000c0)={&(0x7f0000000080)={0x20, 0x0, 0x200, 0x70bd2c, 0x25dfdbfb, {}, [@NBD_ATTR_SERVER_FLAGS={0xc}]}, 0x20}, 0x1, 0x0, 0x0, 0x20004800}, 0x20000001) syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x531000) (async) ioctl$NBD_SET_SOCK(r0, 0x5421, 0xffffffffffffffff) (async) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) sendmsg$NBD_CMD_STATUS(r1, &(0x7f0000000100)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x800000}, 0xc, &(0x7f00000000c0)={&(0x7f0000000080)={0x20, 0x0, 0x200, 0x70bd2c, 0x25dfdbfb, {}, [@NBD_ATTR_SERVER_FLAGS={0xc}]}, 0x20}, 0x1, 0x0, 0x0, 0x20004800}, 0x20000001) (async) 08:02:05 executing program 4: syz_open_dev$ndb(&(0x7f00000002c0), 0x0, 0x0) r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000200), r1) sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f0000000200)={0x0, 0x2000, &(0x7f00000001c0)={&(0x7f0000000140)={0x1c, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x1c}}, 0x0) 08:02:05 executing program 2: r0 = openat$ptmx(0xffffffffffffff9c, &(0x7f0000000040), 0x28202, 0x0) ioctl$TIOCGPTPEER(r0, 0x5441, 0xdbb8) r1 = syz_open_dev$tty20(0xc, 0x4, 0x1) ioctl$TCSETSF(r1, 0x5404, &(0x7f0000000900)={0x0, 0x0, 0x0, 0x0, 0x0, "9750da5e3b38a0e557884e87596d6020c84d50"}) ioctl$TIOCSTI(r1, 0x5412, &(0x7f00000001c0)=0x7) r2 = syz_open_dev$vcsn(&(0x7f0000000000), 0x1, 0xe83354ed9592d5a2) r3 = syz_open_dev$vcsn(&(0x7f0000000140), 0x1, 0x0) ioctl$MEDIA_IOC_REQUEST_ALLOC(r3, 0x80047c05, &(0x7f0000000180)) sendmsg$BATADV_CMD_GET_BLA_CLAIM(r3, &(0x7f0000000180)={&(0x7f00000000c0)={0x10, 0x0, 0x0, 0x2000}, 0xc, &(0x7f0000000140)={&(0x7f0000000200)=ANY=[@ANYBLOB="1c000000", @ANYRES16=0x0, @ANYBLOB="20002cbd7000fcdbdf250b00000008000b00000200003a77760284df6f5321372e3b1f30d8b042b058ab0fcab4b19d4134771e92c7f135dbf23fef70a1de5ca491d6815c27e3126304cbcb82c8f54725fc9d16dbda7c36ddb29f8d6420ceaa9fd6e5d20875484528fc72a0c31172a6fbc0b3817789cbebb0e6a30ff1f1ee8f3ae568e6fa31faf73e3e09f2fee40236b71d18d92beae46d83d5742f08bec4660ac4a961e39559942b3ad6fd8c9866b594acb0737537029eb14388274a0c422df550af192f1e18368f10871ccdf6768dbaed05b18cf93d0f280242be4a8adfbd0d65"], 0x1c}, 0x1, 0x0, 0x0, 0x4}, 0x40000) ioctl$VT_SETMODE(r2, 0x5602, &(0x7f0000000080)={0x2, 0x4, 0x400, 0x5, 0x1}) 08:02:05 executing program 1: syz_open_dev$ndb(&(0x7f00000002c0), 0x0, 0x0) r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000200), r1) sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f0000000200)={0x0, 0x0, &(0x7f00000001c0)={&(0x7f0000000140)={0x1c, r2, 0x1, 0x6c, 0x0, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x1c}}, 0x0) [ 1287.794957] block nbd1: not configured, cannot reconfigure [ 1287.830599] block nbd3: not configured, cannot reconfigure 08:02:05 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000200), r1) sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f0000000200)={0x0, 0x0, &(0x7f00000001c0)={&(0x7f0000000140)={0x1c, r2, 0x1, 0x74, 0x0, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x1c}}, 0x0) 08:02:05 executing program 0: r0 = syz_open_dev$ndb(&(0x7f00000002c0), 0x0, 0x18000) (async, rerun: 64) r1 = syz_open_dev$vcsn(&(0x7f0000000000), 0x974, 0x4000) (rerun: 64) ioctl$MEDIA_IOC_REQUEST_ALLOC(r1, 0x80047c05, &(0x7f0000000040)) (async) ioctl$NBD_SET_SOCK(r0, 0x5452, 0xffffffffffffffff) 08:02:05 executing program 5: r0 = syz_open_dev$ndb(&(0x7f00000002c0), 0x0, 0x40000) ioctl$NBD_SET_SOCK(r0, 0x5421, 0xffffffffffffffff) r1 = syz_open_dev$vcsn(&(0x7f0000000140), 0x1, 0x0) ioctl$MEDIA_IOC_REQUEST_ALLOC(r1, 0x80047c05, &(0x7f0000000180)) r2 = syz_open_dev$vcsn(&(0x7f0000000140), 0x1, 0x0) ioctl$MEDIA_IOC_REQUEST_ALLOC(r2, 0x80047c05, &(0x7f0000000180)) ioctl$NBD_CLEAR_QUE(r2, 0xab05) r3 = syz_init_net_socket$nl_rdma(0x10, 0x3, 0x10) sendmsg$BATADV_CMD_TP_METER_CANCEL(r3, &(0x7f0000001900)={&(0x7f0000001800), 0xc, 0x0}, 0x0) ioctl$sock_bt_cmtp_CMTPCONNADD(r1, 0x400443c8, &(0x7f0000000000)={r3, 0x9}) ioctl$NBD_CLEAR_QUE(r0, 0xab05) r4 = syz_open_dev$vcsn(&(0x7f0000000140), 0x1, 0x0) ioctl$MEDIA_IOC_REQUEST_ALLOC(r4, 0x80047c05, &(0x7f0000000180)) ioctl$NBD_SET_SOCK(r4, 0xab00, r2) [ 1287.901609] block nbd4: not configured, cannot reconfigure 08:02:05 executing program 4: syz_open_dev$ndb(&(0x7f00000002c0), 0x0, 0x0) r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000200), r1) sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f0000000200)={0x0, 0x4800, &(0x7f00000001c0)={&(0x7f0000000140)={0x1c, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x1c}}, 0x0) 08:02:05 executing program 2: r0 = openat$ptmx(0xffffffffffffff9c, &(0x7f0000000040), 0x28202, 0x0) ioctl$TIOCGPTPEER(r0, 0x5441, 0xdbb8) r1 = syz_open_dev$tty20(0xc, 0x4, 0x1) ioctl$TCSETSF(r1, 0x5404, &(0x7f0000000900)={0x0, 0x0, 0x0, 0x0, 0x0, "9750da5e3b38a0e557884e87596d6020c84d50"}) ioctl$TIOCSTI(r1, 0x5412, &(0x7f00000001c0)=0x7) r2 = syz_open_dev$vcsn(&(0x7f0000000000), 0x1, 0xe83354ed9592d5a2) r3 = syz_open_dev$vcsn(&(0x7f0000000140), 0x1, 0x0) ioctl$MEDIA_IOC_REQUEST_ALLOC(r3, 0x80047c05, &(0x7f0000000180)) sendmsg$BATADV_CMD_GET_BLA_CLAIM(r3, &(0x7f0000000180)={&(0x7f00000000c0)={0x10, 0x0, 0x0, 0x2000}, 0xc, &(0x7f0000000140)={&(0x7f0000000200)=ANY=[@ANYBLOB="1c000000", @ANYRES16=0x0, @ANYBLOB="20002cbd7000fcdbdf250b00000008000b00000200003a77760284df6f5321372e3b1f30d8b042b058ab0fcab4b19d4134771e92c7f135dbf23fef70a1de5ca491d6815c27e3126304cbcb82c8f54725fc9d16dbda7c36ddb29f8d6420ceaa9fd6e5d20875484528fc72a0c31172a6fbc0b3817789cbebb0e6a30ff1f1ee8f3ae568e6fa31faf73e3e09f2fee40236b71d18d92beae46d83d5742f08bec4660ac4a961e39559942b3ad6fd8c9866b594acb0737537029eb14388274a0c422df550af192f1e18368f10871ccdf6768dbaed05b18cf93d0f280242be4a8adfbd0d65"], 0x1c}, 0x1, 0x0, 0x0, 0x4}, 0x40000) ioctl$VT_SETMODE(r2, 0x5602, &(0x7f0000000080)={0x2, 0x4, 0x400, 0x5, 0x1}) openat$ptmx(0xffffffffffffff9c, &(0x7f0000000040), 0x28202, 0x0) (async) ioctl$TIOCGPTPEER(r0, 0x5441, 0xdbb8) (async) syz_open_dev$tty20(0xc, 0x4, 0x1) (async) ioctl$TCSETSF(r1, 0x5404, &(0x7f0000000900)={0x0, 0x0, 0x0, 0x0, 0x0, "9750da5e3b38a0e557884e87596d6020c84d50"}) (async) ioctl$TIOCSTI(r1, 0x5412, &(0x7f00000001c0)=0x7) (async) syz_open_dev$vcsn(&(0x7f0000000000), 0x1, 0xe83354ed9592d5a2) (async) syz_open_dev$vcsn(&(0x7f0000000140), 0x1, 0x0) (async) ioctl$MEDIA_IOC_REQUEST_ALLOC(r3, 0x80047c05, &(0x7f0000000180)) (async) sendmsg$BATADV_CMD_GET_BLA_CLAIM(r3, &(0x7f0000000180)={&(0x7f00000000c0)={0x10, 0x0, 0x0, 0x2000}, 0xc, &(0x7f0000000140)={&(0x7f0000000200)=ANY=[@ANYBLOB="1c000000", @ANYRES16=0x0, @ANYBLOB="20002cbd7000fcdbdf250b00000008000b00000200003a77760284df6f5321372e3b1f30d8b042b058ab0fcab4b19d4134771e92c7f135dbf23fef70a1de5ca491d6815c27e3126304cbcb82c8f54725fc9d16dbda7c36ddb29f8d6420ceaa9fd6e5d20875484528fc72a0c31172a6fbc0b3817789cbebb0e6a30ff1f1ee8f3ae568e6fa31faf73e3e09f2fee40236b71d18d92beae46d83d5742f08bec4660ac4a961e39559942b3ad6fd8c9866b594acb0737537029eb14388274a0c422df550af192f1e18368f10871ccdf6768dbaed05b18cf93d0f280242be4a8adfbd0d65"], 0x1c}, 0x1, 0x0, 0x0, 0x4}, 0x40000) (async) ioctl$VT_SETMODE(r2, 0x5602, &(0x7f0000000080)={0x2, 0x4, 0x400, 0x5, 0x1}) (async) 08:02:05 executing program 1: syz_open_dev$ndb(&(0x7f00000002c0), 0x0, 0x0) r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000200), r1) sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f0000000200)={0x0, 0x0, &(0x7f00000001c0)={&(0x7f0000000140)={0x1c, r2, 0x1, 0x74, 0x0, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x1c}}, 0x0) 08:02:05 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000200), r1) sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f0000000200)={0x0, 0x0, &(0x7f00000001c0)={&(0x7f0000000140)={0x1c, r2, 0x1, 0x7a, 0x0, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x1c}}, 0x0) 08:02:05 executing program 5: r0 = syz_open_dev$ndb(&(0x7f00000002c0), 0x0, 0x40000) ioctl$NBD_SET_SOCK(r0, 0x5421, 0xffffffffffffffff) (async) r1 = syz_open_dev$vcsn(&(0x7f0000000140), 0x1, 0x0) ioctl$MEDIA_IOC_REQUEST_ALLOC(r1, 0x80047c05, &(0x7f0000000180)) (async) r2 = syz_open_dev$vcsn(&(0x7f0000000140), 0x1, 0x0) ioctl$MEDIA_IOC_REQUEST_ALLOC(r2, 0x80047c05, &(0x7f0000000180)) (async) ioctl$NBD_CLEAR_QUE(r2, 0xab05) (async) r3 = syz_init_net_socket$nl_rdma(0x10, 0x3, 0x10) sendmsg$BATADV_CMD_TP_METER_CANCEL(r3, &(0x7f0000001900)={&(0x7f0000001800), 0xc, 0x0}, 0x0) (async) ioctl$sock_bt_cmtp_CMTPCONNADD(r1, 0x400443c8, &(0x7f0000000000)={r3, 0x9}) (async) ioctl$NBD_CLEAR_QUE(r0, 0xab05) (async) r4 = syz_open_dev$vcsn(&(0x7f0000000140), 0x1, 0x0) ioctl$MEDIA_IOC_REQUEST_ALLOC(r4, 0x80047c05, &(0x7f0000000180)) (async) ioctl$NBD_SET_SOCK(r4, 0xab00, r2) [ 1287.967366] block nbd3: not configured, cannot reconfigure [ 1287.975398] block nbd1: not configured, cannot reconfigure 08:02:05 executing program 0: r0 = syz_open_dev$ndb(&(0x7f00000002c0), 0x0, 0x18000) r1 = syz_open_dev$vcsn(&(0x7f0000000000), 0x974, 0x4000) ioctl$MEDIA_IOC_REQUEST_ALLOC(r1, 0x80047c05, &(0x7f0000000040)) ioctl$NBD_SET_SOCK(r0, 0x5452, 0xffffffffffffffff) 08:02:05 executing program 4: syz_open_dev$ndb(&(0x7f00000002c0), 0x0, 0x0) r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000200), r1) sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f0000000200)={0x0, 0x4c00, &(0x7f00000001c0)={&(0x7f0000000140)={0x1c, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x1c}}, 0x0) 08:02:05 executing program 2: r0 = openat$ptmx(0xffffffffffffff9c, &(0x7f0000000040), 0x28202, 0x0) ioctl$TIOCGPTPEER(r0, 0x5441, 0xdbb8) r1 = syz_open_dev$tty20(0xc, 0x4, 0x1) ioctl$TCSETSF(r1, 0x5404, &(0x7f0000000900)={0x0, 0x0, 0x0, 0x0, 0x0, "9750da5e3b38a0e557884e87596d6020c84d50"}) ioctl$TIOCSTI(r1, 0x5412, &(0x7f00000001c0)=0x7) r2 = syz_open_dev$vcsn(&(0x7f0000000000), 0x1, 0xe83354ed9592d5a2) r3 = syz_open_dev$vcsn(&(0x7f0000000140), 0x1, 0x0) ioctl$MEDIA_IOC_REQUEST_ALLOC(r3, 0x80047c05, &(0x7f0000000180)) sendmsg$BATADV_CMD_GET_BLA_CLAIM(r3, &(0x7f0000000180)={&(0x7f00000000c0)={0x10, 0x0, 0x0, 0x2000}, 0xc, &(0x7f0000000140)={&(0x7f0000000200)=ANY=[@ANYBLOB="1c000000", @ANYRES16=0x0, @ANYBLOB="20002cbd7000fcdbdf250b00000008000b00000200003a77760284df6f5321372e3b1f30d8b042b058ab0fcab4b19d4134771e92c7f135dbf23fef70a1de5ca491d6815c27e3126304cbcb82c8f54725fc9d16dbda7c36ddb29f8d6420ceaa9fd6e5d20875484528fc72a0c31172a6fbc0b3817789cbebb0e6a30ff1f1ee8f3ae568e6fa31faf73e3e09f2fee40236b71d18d92beae46d83d5742f08bec4660ac4a961e39559942b3ad6fd8c9866b594acb0737537029eb14388274a0c422df550af192f1e18368f10871ccdf6768dbaed05b18cf93d0f280242be4a8adfbd0d65"], 0x1c}, 0x1, 0x0, 0x0, 0x4}, 0x40000) ioctl$VT_SETMODE(r2, 0x5602, &(0x7f0000000080)={0x2, 0x4, 0x400, 0x5, 0x1}) openat$ptmx(0xffffffffffffff9c, &(0x7f0000000040), 0x28202, 0x0) (async) ioctl$TIOCGPTPEER(r0, 0x5441, 0xdbb8) (async) syz_open_dev$tty20(0xc, 0x4, 0x1) (async) ioctl$TCSETSF(r1, 0x5404, &(0x7f0000000900)={0x0, 0x0, 0x0, 0x0, 0x0, "9750da5e3b38a0e557884e87596d6020c84d50"}) (async) ioctl$TIOCSTI(r1, 0x5412, &(0x7f00000001c0)=0x7) (async) syz_open_dev$vcsn(&(0x7f0000000000), 0x1, 0xe83354ed9592d5a2) (async) syz_open_dev$vcsn(&(0x7f0000000140), 0x1, 0x0) (async) ioctl$MEDIA_IOC_REQUEST_ALLOC(r3, 0x80047c05, &(0x7f0000000180)) (async) sendmsg$BATADV_CMD_GET_BLA_CLAIM(r3, &(0x7f0000000180)={&(0x7f00000000c0)={0x10, 0x0, 0x0, 0x2000}, 0xc, &(0x7f0000000140)={&(0x7f0000000200)=ANY=[@ANYBLOB="1c000000", @ANYRES16=0x0, @ANYBLOB="20002cbd7000fcdbdf250b00000008000b00000200003a77760284df6f5321372e3b1f30d8b042b058ab0fcab4b19d4134771e92c7f135dbf23fef70a1de5ca491d6815c27e3126304cbcb82c8f54725fc9d16dbda7c36ddb29f8d6420ceaa9fd6e5d20875484528fc72a0c31172a6fbc0b3817789cbebb0e6a30ff1f1ee8f3ae568e6fa31faf73e3e09f2fee40236b71d18d92beae46d83d5742f08bec4660ac4a961e39559942b3ad6fd8c9866b594acb0737537029eb14388274a0c422df550af192f1e18368f10871ccdf6768dbaed05b18cf93d0f280242be4a8adfbd0d65"], 0x1c}, 0x1, 0x0, 0x0, 0x4}, 0x40000) (async) ioctl$VT_SETMODE(r2, 0x5602, &(0x7f0000000080)={0x2, 0x4, 0x400, 0x5, 0x1}) (async) 08:02:05 executing program 0: syz_open_dev$ndb(&(0x7f00000002c0), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000000)) r0 = syz_open_dev$vcsn(&(0x7f0000000140), 0x1, 0x0) ioctl$MEDIA_IOC_REQUEST_ALLOC(r0, 0x80047c05, &(0x7f0000000180)=0xffffffffffffffff) ioctl$AUTOFS_DEV_IOCTL_REQUESTER(r0, 0xc018937b, &(0x7f0000000040)={{0x1, 0x1, 0x18, r1, {0xffffffffffffffff}}, './file0\x00'}) getsockopt$bt_BT_VOICE(r2, 0x112, 0xb, &(0x7f0000000080)=0xfff7, &(0x7f00000000c0)=0x2) ioctl$NBD_SET_SOCK(r0, 0x5452, r2) [ 1288.081632] block nbd4: not configured, cannot reconfigure [ 1288.109933] block nbd3: not configured, cannot reconfigure [ 1288.120908] block nbd1: not configured, cannot reconfigure 08:02:05 executing program 5: r0 = syz_open_dev$ndb(&(0x7f00000002c0), 0x0, 0x40000) ioctl$NBD_SET_SOCK(r0, 0x5421, 0xffffffffffffffff) r1 = syz_open_dev$vcsn(&(0x7f0000000140), 0x1, 0x0) ioctl$MEDIA_IOC_REQUEST_ALLOC(r1, 0x80047c05, &(0x7f0000000180)) r2 = syz_open_dev$vcsn(&(0x7f0000000140), 0x1, 0x0) ioctl$MEDIA_IOC_REQUEST_ALLOC(r2, 0x80047c05, &(0x7f0000000180)) (async) ioctl$NBD_CLEAR_QUE(r2, 0xab05) (async) r3 = syz_init_net_socket$nl_rdma(0x10, 0x3, 0x10) sendmsg$BATADV_CMD_TP_METER_CANCEL(r3, &(0x7f0000001900)={&(0x7f0000001800), 0xc, 0x0}, 0x0) (async) ioctl$sock_bt_cmtp_CMTPCONNADD(r1, 0x400443c8, &(0x7f0000000000)={r3, 0x9}) (async) ioctl$NBD_CLEAR_QUE(r0, 0xab05) (async) r4 = syz_open_dev$vcsn(&(0x7f0000000140), 0x1, 0x0) ioctl$MEDIA_IOC_REQUEST_ALLOC(r4, 0x80047c05, &(0x7f0000000180)) ioctl$NBD_SET_SOCK(r4, 0xab00, r2) 08:02:05 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000200), r1) sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f0000000200)={0x0, 0x0, &(0x7f00000001c0)={&(0x7f0000000140)={0x1c, r2, 0x1, 0xf0, 0x0, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x1c}}, 0x0) 08:02:05 executing program 1: syz_open_dev$ndb(&(0x7f00000002c0), 0x0, 0x0) r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000200), r1) sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f0000000200)={0x0, 0x0, &(0x7f00000001c0)={&(0x7f0000000140)={0x1c, r2, 0x1, 0x7a, 0x0, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x1c}}, 0x0) 08:02:05 executing program 0: syz_open_dev$ndb(&(0x7f00000002c0), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000000)) r0 = syz_open_dev$vcsn(&(0x7f0000000140), 0x1, 0x0) ioctl$MEDIA_IOC_REQUEST_ALLOC(r0, 0x80047c05, &(0x7f0000000180)=0xffffffffffffffff) ioctl$AUTOFS_DEV_IOCTL_REQUESTER(r0, 0xc018937b, &(0x7f0000000040)={{0x1, 0x1, 0x18, r1, {0xffffffffffffffff}}, './file0\x00'}) getsockopt$bt_BT_VOICE(r2, 0x112, 0xb, &(0x7f0000000080)=0xfff7, &(0x7f00000000c0)=0x2) ioctl$NBD_SET_SOCK(r0, 0x5452, r2) syz_open_dev$ndb(&(0x7f00000002c0), 0x0, 0x0) (async) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000000)) (async) syz_open_dev$vcsn(&(0x7f0000000140), 0x1, 0x0) (async) ioctl$MEDIA_IOC_REQUEST_ALLOC(r0, 0x80047c05, &(0x7f0000000180)) (async) ioctl$AUTOFS_DEV_IOCTL_REQUESTER(r0, 0xc018937b, &(0x7f0000000040)={{0x1, 0x1, 0x18, r1, {0xffffffffffffffff}}, './file0\x00'}) (async) getsockopt$bt_BT_VOICE(r2, 0x112, 0xb, &(0x7f0000000080)=0xfff7, &(0x7f00000000c0)=0x2) (async) ioctl$NBD_SET_SOCK(r0, 0x5452, r2) (async) 08:02:05 executing program 2: r0 = openat$ptmx(0xffffffffffffff9c, &(0x7f0000000040), 0x40, 0x0) ioctl$TIOCGPTPEER(r0, 0x5441, 0xfff) 08:02:05 executing program 4: syz_open_dev$ndb(&(0x7f00000002c0), 0x0, 0x0) r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000200), r1) sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f0000000200)={0x0, 0x6000, &(0x7f00000001c0)={&(0x7f0000000140)={0x1c, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x1c}}, 0x0) [ 1288.239808] block nbd4: not configured, cannot reconfigure [ 1288.273097] block nbd3: not configured, cannot reconfigure 08:02:05 executing program 5: r0 = syz_open_dev$ndb(&(0x7f00000002c0), 0x0, 0x78201) ioctl$NBD_SET_SOCK(r0, 0x5421, 0xffffffffffffffff) 08:02:05 executing program 1: syz_open_dev$ndb(&(0x7f00000002c0), 0x0, 0x0) r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000200), r1) sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f0000000200)={0x0, 0x0, &(0x7f00000001c0)={&(0x7f0000000140)={0x1c, r2, 0x1, 0xf0, 0x0, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x1c}}, 0x0) 08:02:05 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000200), r1) sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f0000000200)={0x0, 0x0, &(0x7f00000001c0)={&(0x7f0000000140)={0x1c, r2, 0x1, 0x300, 0x0, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x1c}}, 0x0) [ 1288.302569] block nbd1: not configured, cannot reconfigure 08:02:05 executing program 0: syz_open_dev$ndb(&(0x7f00000002c0), 0x0, 0x0) (async) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000000)) (async) r0 = syz_open_dev$vcsn(&(0x7f0000000140), 0x1, 0x0) ioctl$MEDIA_IOC_REQUEST_ALLOC(r0, 0x80047c05, &(0x7f0000000180)=0xffffffffffffffff) ioctl$AUTOFS_DEV_IOCTL_REQUESTER(r0, 0xc018937b, &(0x7f0000000040)={{0x1, 0x1, 0x18, r1, {0xffffffffffffffff}}, './file0\x00'}) getsockopt$bt_BT_VOICE(r2, 0x112, 0xb, &(0x7f0000000080)=0xfff7, &(0x7f00000000c0)=0x2) (async) ioctl$NBD_SET_SOCK(r0, 0x5452, r2) 08:02:05 executing program 2: r0 = openat$ptmx(0xffffffffffffff9c, &(0x7f0000000040), 0x40, 0x0) ioctl$TIOCGPTPEER(r0, 0x5441, 0xfff) openat$ptmx(0xffffffffffffff9c, &(0x7f0000000040), 0x40, 0x0) (async) ioctl$TIOCGPTPEER(r0, 0x5441, 0xfff) (async) 08:02:05 executing program 5: r0 = syz_open_dev$ndb(&(0x7f00000002c0), 0x0, 0x78201) ioctl$NBD_SET_SOCK(r0, 0x5421, 0xffffffffffffffff) (async) ioctl$NBD_SET_SOCK(r0, 0x5421, 0xffffffffffffffff) 08:02:06 executing program 4: syz_open_dev$ndb(&(0x7f00000002c0), 0x0, 0x0) r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000200), r1) sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f0000000200)={0x0, 0x65d8, &(0x7f00000001c0)={&(0x7f0000000140)={0x1c, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x1c}}, 0x0) [ 1288.401165] block nbd4: not configured, cannot reconfigure [ 1288.422877] block nbd1: not configured, cannot reconfigure [ 1288.442835] block nbd3: not configured, cannot reconfigure 08:02:06 executing program 1: syz_open_dev$ndb(&(0x7f00000002c0), 0x0, 0x0) r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000200), r1) sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f0000000200)={0x0, 0x0, &(0x7f00000001c0)={&(0x7f0000000140)={0x1c, r2, 0x1, 0x300, 0x0, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x1c}}, 0x0) 08:02:06 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000200), r1) sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f0000000200)={0x0, 0x0, &(0x7f00000001c0)={&(0x7f0000000140)={0x1c, r2, 0x1, 0x500, 0x0, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x1c}}, 0x0) 08:02:06 executing program 0: r0 = syz_open_dev$ndb(&(0x7f00000002c0), 0x0, 0x0) ioctl$NBD_SET_SOCK(r0, 0x5452, 0xffffffffffffffff) r1 = syz_open_dev$vcsn(&(0x7f0000000140), 0x1, 0x0) r2 = syz_open_dev$media(&(0x7f0000000040), 0xbdf, 0x80000) ioctl$MEDIA_IOC_REQUEST_ALLOC(r2, 0x80047c05, &(0x7f0000000000)) ioctl$NBD_CLEAR_SOCK(r1, 0xab04) r3 = syz_open_dev$vcsn(&(0x7f0000000140), 0x1, 0x0) ioctl$MEDIA_IOC_REQUEST_ALLOC(r3, 0x80047c05, &(0x7f0000000180)) ioctl$VHOST_VDPA_GET_CONFIG_SIZE(r3, 0x8004af79, &(0x7f0000000080)) 08:02:06 executing program 2: r0 = openat$ptmx(0xffffffffffffff9c, &(0x7f0000000040), 0x40, 0x0) ioctl$TIOCGPTPEER(r0, 0x5441, 0xfff) 08:02:06 executing program 5: r0 = syz_open_dev$ndb(&(0x7f00000002c0), 0x0, 0x78201) ioctl$NBD_SET_SOCK(r0, 0x5421, 0xffffffffffffffff) 08:02:06 executing program 2: r0 = openat$ptmx(0xffffffffffffff9c, &(0x7f0000000040), 0x0, 0x0) r1 = openat$ttyprintk(0xffffffffffffff9c, &(0x7f0000000000), 0x40000, 0x0) ioctl$VT_SETMODE(r1, 0x5602, &(0x7f0000000080)={0x5, 0x4, 0x7, 0xa9c4, 0x2}) ioctl$TIOCGPTPEER(r0, 0x5441, 0xdbb8) r2 = syz_open_dev$tty20(0xc, 0x4, 0x1) ioctl$TCSETSF(r2, 0x5404, &(0x7f0000000900)={0x0, 0x0, 0x0, 0x0, 0x0, "9750da5e3b38a0e557884e87596d6020c84d50"}) ioctl$KDSETMODE(r2, 0x4b3a, 0x1) 08:02:06 executing program 1: syz_open_dev$ndb(&(0x7f00000002c0), 0x0, 0x0) r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000200), r1) sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f0000000200)={0x0, 0x0, &(0x7f00000001c0)={&(0x7f0000000140)={0x1c, r2, 0x1, 0x500, 0x0, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x1c}}, 0x0) 08:02:06 executing program 4: syz_open_dev$ndb(&(0x7f00000002c0), 0x0, 0x0) r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000200), r1) sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f0000000200)={0x0, 0x6800, &(0x7f00000001c0)={&(0x7f0000000140)={0x1c, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x1c}}, 0x0) [ 1288.554207] block nbd1: not configured, cannot reconfigure [ 1288.577392] block nbd3: not configured, cannot reconfigure [ 1288.588007] block nbd4: not configured, cannot reconfigure 08:02:06 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000200), r1) sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f0000000200)={0x0, 0x0, &(0x7f00000001c0)={&(0x7f0000000140)={0x1c, r2, 0x1, 0x600, 0x0, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x1c}}, 0x0) 08:02:06 executing program 0: r0 = syz_open_dev$ndb(&(0x7f00000002c0), 0x0, 0x0) ioctl$NBD_SET_SOCK(r0, 0x5452, 0xffffffffffffffff) (async) r1 = syz_open_dev$vcsn(&(0x7f0000000140), 0x1, 0x0) (async) r2 = syz_open_dev$media(&(0x7f0000000040), 0xbdf, 0x80000) ioctl$MEDIA_IOC_REQUEST_ALLOC(r2, 0x80047c05, &(0x7f0000000000)) ioctl$NBD_CLEAR_SOCK(r1, 0xab04) (async) r3 = syz_open_dev$vcsn(&(0x7f0000000140), 0x1, 0x0) ioctl$MEDIA_IOC_REQUEST_ALLOC(r3, 0x80047c05, &(0x7f0000000180)) (async) ioctl$VHOST_VDPA_GET_CONFIG_SIZE(r3, 0x8004af79, &(0x7f0000000080)) 08:02:06 executing program 5: r0 = syz_open_dev$ndb(&(0x7f00000002c0), 0x0, 0x0) ioctl$TUNSETVNETHDRSZ(0xffffffffffffffff, 0x400454d8, &(0x7f0000000000)=0x2) ioctl$NBD_SET_SOCK(r0, 0x5421, 0xffffffffffffffff) ioctl$KDDISABIO(0xffffffffffffffff, 0x4b37) 08:02:06 executing program 2: r0 = openat$ptmx(0xffffffffffffff9c, &(0x7f0000000040), 0x0, 0x0) (async) r1 = openat$ttyprintk(0xffffffffffffff9c, &(0x7f0000000000), 0x40000, 0x0) ioctl$VT_SETMODE(r1, 0x5602, &(0x7f0000000080)={0x5, 0x4, 0x7, 0xa9c4, 0x2}) (async) ioctl$TIOCGPTPEER(r0, 0x5441, 0xdbb8) (async) r2 = syz_open_dev$tty20(0xc, 0x4, 0x1) ioctl$TCSETSF(r2, 0x5404, &(0x7f0000000900)={0x0, 0x0, 0x0, 0x0, 0x0, "9750da5e3b38a0e557884e87596d6020c84d50"}) ioctl$KDSETMODE(r2, 0x4b3a, 0x1) 08:02:06 executing program 1: syz_open_dev$ndb(&(0x7f00000002c0), 0x0, 0x0) r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000200), r1) sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f0000000200)={0x0, 0x0, &(0x7f00000001c0)={&(0x7f0000000140)={0x1c, r2, 0x1, 0x600, 0x0, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x1c}}, 0x0) [ 1288.716264] block nbd1: not configured, cannot reconfigure [ 1288.735407] block nbd3: not configured, cannot reconfigure 08:02:06 executing program 0: r0 = syz_open_dev$ndb(&(0x7f00000002c0), 0x0, 0x0) ioctl$NBD_SET_SOCK(r0, 0x5452, 0xffffffffffffffff) r1 = syz_open_dev$vcsn(&(0x7f0000000140), 0x1, 0x0) r2 = syz_open_dev$media(&(0x7f0000000040), 0xbdf, 0x80000) ioctl$MEDIA_IOC_REQUEST_ALLOC(r2, 0x80047c05, &(0x7f0000000000)) (async) ioctl$NBD_CLEAR_SOCK(r1, 0xab04) (async) r3 = syz_open_dev$vcsn(&(0x7f0000000140), 0x1, 0x0) ioctl$MEDIA_IOC_REQUEST_ALLOC(r3, 0x80047c05, &(0x7f0000000180)) (async) ioctl$VHOST_VDPA_GET_CONFIG_SIZE(r3, 0x8004af79, &(0x7f0000000080)) 08:02:06 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000200), r1) sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f0000000200)={0x0, 0x0, &(0x7f00000001c0)={&(0x7f0000000140)={0x1c, r2, 0x1, 0x700, 0x0, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x1c}}, 0x0) 08:02:06 executing program 2: r0 = openat$ptmx(0xffffffffffffff9c, &(0x7f0000000040), 0x0, 0x0) (async) r1 = openat$ttyprintk(0xffffffffffffff9c, &(0x7f0000000000), 0x40000, 0x0) ioctl$VT_SETMODE(r1, 0x5602, &(0x7f0000000080)={0x5, 0x4, 0x7, 0xa9c4, 0x2}) ioctl$TIOCGPTPEER(r0, 0x5441, 0xdbb8) (async) r2 = syz_open_dev$tty20(0xc, 0x4, 0x1) ioctl$TCSETSF(r2, 0x5404, &(0x7f0000000900)={0x0, 0x0, 0x0, 0x0, 0x0, "9750da5e3b38a0e557884e87596d6020c84d50"}) ioctl$KDSETMODE(r2, 0x4b3a, 0x1) 08:02:06 executing program 4: syz_open_dev$ndb(&(0x7f00000002c0), 0x0, 0x0) r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000200), r1) sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f0000000200)={0x0, 0x6c00, &(0x7f00000001c0)={&(0x7f0000000140)={0x1c, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x1c}}, 0x0) 08:02:06 executing program 5: r0 = syz_open_dev$ndb(&(0x7f00000002c0), 0x0, 0x0) ioctl$TUNSETVNETHDRSZ(0xffffffffffffffff, 0x400454d8, &(0x7f0000000000)=0x2) (async) ioctl$NBD_SET_SOCK(r0, 0x5421, 0xffffffffffffffff) (async) ioctl$KDDISABIO(0xffffffffffffffff, 0x4b37) [ 1288.762710] block nbd4: not configured, cannot reconfigure 08:02:06 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000200), r1) sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f0000000200)={0x0, 0x0, &(0x7f00000001c0)={&(0x7f0000000140)={0x1c, r2, 0x1, 0xf00, 0x0, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x1c}}, 0x0) 08:02:06 executing program 1: syz_open_dev$ndb(&(0x7f00000002c0), 0x0, 0x0) r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000200), r1) sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f0000000200)={0x0, 0x0, &(0x7f00000001c0)={&(0x7f0000000140)={0x1c, r2, 0x1, 0x700, 0x0, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x1c}}, 0x0) 08:02:06 executing program 2: r0 = openat$ptmx(0xffffffffffffff9c, &(0x7f0000000040), 0x0, 0x0) ioctl$TIOCGPTPEER(r0, 0x5441, 0xdbb8) r1 = syz_open_dev$tty20(0xc, 0x4, 0x1) ioctl$TCSETSF(r1, 0x5404, &(0x7f0000000900)={0x0, 0x0, 0x0, 0x0, 0x0, "9750da5e3b38a0e557884e87596d6020c84d50"}) ioctl$KDGKBSENT(r0, 0x4b48, &(0x7f0000000080)={0x7f, "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"}) ioctl$KDSETKEYCODE(r1, 0x4b4d, &(0x7f0000000000)={0xff, 0x800}) [ 1288.845486] block nbd3: not configured, cannot reconfigure [ 1288.865132] block nbd1: not configured, cannot reconfigure [ 1288.887986] block nbd4: not configured, cannot reconfigure 08:02:06 executing program 5: r0 = syz_open_dev$ndb(&(0x7f00000002c0), 0x0, 0x0) ioctl$TUNSETVNETHDRSZ(0xffffffffffffffff, 0x400454d8, &(0x7f0000000000)=0x2) (async) ioctl$TUNSETVNETHDRSZ(0xffffffffffffffff, 0x400454d8, &(0x7f0000000000)=0x2) ioctl$NBD_SET_SOCK(r0, 0x5421, 0xffffffffffffffff) ioctl$KDDISABIO(0xffffffffffffffff, 0x4b37) 08:02:06 executing program 0: r0 = syz_open_dev$ndb(&(0x7f00000002c0), 0x0, 0x109b01) syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x420401) r1 = syz_open_dev$vcsn(&(0x7f0000000140), 0x1, 0x0) ioctl$MEDIA_IOC_REQUEST_ALLOC(r1, 0x80047c05, &(0x7f0000000180)) r2 = syz_open_dev$vcsn(&(0x7f0000000140), 0x1, 0x0) ioctl$MEDIA_IOC_REQUEST_ALLOC(r2, 0x80047c05, &(0x7f0000000180)) ioctl$NBD_DISCONNECT(r2, 0xab08) ioctl$NBD_SET_SOCK(r0, 0x5452, 0xffffffffffffffff) 08:02:06 executing program 4: syz_open_dev$ndb(&(0x7f00000002c0), 0x0, 0x0) r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000200), r1) sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f0000000200)={0x0, 0x7400, &(0x7f00000001c0)={&(0x7f0000000140)={0x1c, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x1c}}, 0x0) 08:02:06 executing program 5: r0 = syz_open_dev$ndb(&(0x7f00000002c0), 0x0, 0x0) ioctl$NBD_SET_SOCK(r0, 0x5421, 0xffffffffffffffff) r1 = syz_open_dev$vcsn(&(0x7f0000000140), 0x1, 0x0) ioctl$MEDIA_IOC_REQUEST_ALLOC(r1, 0x80047c05, &(0x7f0000000180)) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) 08:02:06 executing program 2: r0 = openat$ptmx(0xffffffffffffff9c, &(0x7f0000000040), 0x0, 0x0) ioctl$TIOCGPTPEER(r0, 0x5441, 0xdbb8) r1 = syz_open_dev$tty20(0xc, 0x4, 0x1) ioctl$TCSETSF(r1, 0x5404, &(0x7f0000000900)={0x0, 0x0, 0x0, 0x0, 0x0, "9750da5e3b38a0e557884e87596d6020c84d50"}) ioctl$KDGKBSENT(r0, 0x4b48, &(0x7f0000000080)={0x7f, "bfb702c6e7cf380561c960482164d6d253e9aaa89d95431dad6a62e6e322e42a3cad567730000c3104327f2ce704554bfc644568fea580bc005a780540c3cd72b2b3b4be04850ed76ca4dc9c4a71c807b5fea0f2bfd2f0c76e624a25401ab823959d14fe52ca2e0572069c439d704afb85fa04cb8466ccb6721cc9215b73f15b6f3e3f69a17de63ea3029b425af9961f4ce096d6151b50e2d7b37bcb26068a3c08e6b4f69bf0c5e2c52d3a26bea1ef762252f630c85f0fe96d7357ffe00dae021fb1ff27bac72fab482c5e47c67dff899ce446ac3556bce7a6cd805aafc32b452237986093806a315dd2eb8bf0007dd62b5259a8b686b517651f0bd1dd92d1063a4d37623039d04c7ef56e9bc1d61ed53c1e52aee111e146af295c6eb8cbc9353fd6164639a8cb555ad56c09b7aff0677722dea1b9137dded6b639d5a1c9b6099fc8dba55d0359fc34cdc04c16929ac85b7ef0fcd4dc6abdec0938d1ee9aac453632bfbadc3655af41855217262686997ff11bfc81a9610bf6e97eef186e8f29a506054edfebdedd3fac14d769d99bbd89a6de479c0d0d7abf79c41306b196b9e480a59cf19a3a436ec1d7d5fd70bdbf5f2461ad0a7073cc920941a2d7bf2f157e9ac98091024ca74455cc77052d1ed1d14077724159cc8ea46be00cf872bf33e3f673f9544b1823b3fabab7458c3177f422300fe5e1a1d06717ee39922c5de3"}) ioctl$KDSETKEYCODE(r1, 0x4b4d, &(0x7f0000000000)={0xff, 0x800}) openat$ptmx(0xffffffffffffff9c, &(0x7f0000000040), 0x0, 0x0) (async) ioctl$TIOCGPTPEER(r0, 0x5441, 0xdbb8) (async) syz_open_dev$tty20(0xc, 0x4, 0x1) (async) ioctl$TCSETSF(r1, 0x5404, &(0x7f0000000900)={0x0, 0x0, 0x0, 0x0, 0x0, "9750da5e3b38a0e557884e87596d6020c84d50"}) (async) ioctl$KDGKBSENT(r0, 0x4b48, &(0x7f0000000080)={0x7f, "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"}) (async) ioctl$KDSETKEYCODE(r1, 0x4b4d, &(0x7f0000000000)={0xff, 0x800}) (async) 08:02:06 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000200), r1) sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f0000000200)={0x0, 0x0, &(0x7f00000001c0)={&(0x7f0000000140)={0x1c, r2, 0x1, 0x2000, 0x0, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x1c}}, 0x0) 08:02:06 executing program 0: r0 = syz_open_dev$ndb(&(0x7f00000002c0), 0x0, 0x109b01) syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x420401) (async) r1 = syz_open_dev$vcsn(&(0x7f0000000140), 0x1, 0x0) ioctl$MEDIA_IOC_REQUEST_ALLOC(r1, 0x80047c05, &(0x7f0000000180)) (async) r2 = syz_open_dev$vcsn(&(0x7f0000000140), 0x1, 0x0) ioctl$MEDIA_IOC_REQUEST_ALLOC(r2, 0x80047c05, &(0x7f0000000180)) ioctl$NBD_DISCONNECT(r2, 0xab08) (async, rerun: 64) ioctl$NBD_SET_SOCK(r0, 0x5452, 0xffffffffffffffff) (rerun: 64) [ 1288.981164] block nbd3: not configured, cannot reconfigure [ 1289.002876] block nbd1: not configured, cannot reconfigure 08:02:06 executing program 1: syz_open_dev$ndb(&(0x7f00000002c0), 0x0, 0x0) r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000200), r1) sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f0000000200)={0x0, 0x0, &(0x7f00000001c0)={&(0x7f0000000140)={0x1c, r2, 0x1, 0xf00, 0x0, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x1c}}, 0x0) 08:02:06 executing program 4: syz_open_dev$ndb(&(0x7f00000002c0), 0x0, 0x0) r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000200), r1) sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f0000000200)={0x0, 0x7a00, &(0x7f00000001c0)={&(0x7f0000000140)={0x1c, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x1c}}, 0x0) [ 1289.064635] block nbd4: not configured, cannot reconfigure 08:02:06 executing program 5: r0 = syz_open_dev$ndb(&(0x7f00000002c0), 0x0, 0x0) ioctl$NBD_SET_SOCK(r0, 0x5421, 0xffffffffffffffff) r1 = syz_open_dev$vcsn(&(0x7f0000000140), 0x1, 0x0) ioctl$MEDIA_IOC_REQUEST_ALLOC(r1, 0x80047c05, &(0x7f0000000180)) (async) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) 08:02:06 executing program 2: r0 = openat$ptmx(0xffffffffffffff9c, &(0x7f0000000040), 0x0, 0x0) ioctl$TIOCGPTPEER(r0, 0x5441, 0xdbb8) (async) ioctl$TIOCGPTPEER(r0, 0x5441, 0xdbb8) r1 = syz_open_dev$tty20(0xc, 0x4, 0x1) ioctl$TCSETSF(r1, 0x5404, &(0x7f0000000900)={0x0, 0x0, 0x0, 0x0, 0x0, "9750da5e3b38a0e557884e87596d6020c84d50"}) ioctl$KDGKBSENT(r0, 0x4b48, &(0x7f0000000080)={0x7f, "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"}) ioctl$KDSETKEYCODE(r1, 0x4b4d, &(0x7f0000000000)={0xff, 0x800}) (async) ioctl$KDSETKEYCODE(r1, 0x4b4d, &(0x7f0000000000)={0xff, 0x800}) 08:02:06 executing program 0: r0 = syz_open_dev$ndb(&(0x7f00000002c0), 0x0, 0x109b01) (async) syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x420401) (async) r1 = syz_open_dev$vcsn(&(0x7f0000000140), 0x1, 0x0) ioctl$MEDIA_IOC_REQUEST_ALLOC(r1, 0x80047c05, &(0x7f0000000180)) (async) r2 = syz_open_dev$vcsn(&(0x7f0000000140), 0x1, 0x0) ioctl$MEDIA_IOC_REQUEST_ALLOC(r2, 0x80047c05, &(0x7f0000000180)) (async) ioctl$NBD_DISCONNECT(r2, 0xab08) ioctl$NBD_SET_SOCK(r0, 0x5452, 0xffffffffffffffff) 08:02:06 executing program 1: syz_open_dev$ndb(&(0x7f00000002c0), 0x0, 0x0) r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000200), r1) sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f0000000200)={0x0, 0x0, &(0x7f00000001c0)={&(0x7f0000000140)={0x1c, r2, 0x1, 0x2000, 0x0, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x1c}}, 0x0) [ 1289.148643] block nbd1: not configured, cannot reconfigure [ 1289.170102] block nbd3: not configured, cannot reconfigure 08:02:06 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000200), r1) sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f0000000200)={0x0, 0x0, &(0x7f00000001c0)={&(0x7f0000000140)={0x1c, r2, 0x1, 0x4800, 0x0, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x1c}}, 0x0) 08:02:06 executing program 4: syz_open_dev$ndb(&(0x7f00000002c0), 0x0, 0x0) r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000200), r1) sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f0000000200)={0x0, 0xd865, &(0x7f00000001c0)={&(0x7f0000000140)={0x1c, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x1c}}, 0x0) [ 1289.203782] block nbd4: not configured, cannot reconfigure 08:02:06 executing program 5: r0 = syz_open_dev$ndb(&(0x7f00000002c0), 0x0, 0x0) ioctl$NBD_SET_SOCK(r0, 0x5421, 0xffffffffffffffff) (async) r1 = syz_open_dev$vcsn(&(0x7f0000000140), 0x1, 0x0) ioctl$MEDIA_IOC_REQUEST_ALLOC(r1, 0x80047c05, &(0x7f0000000180)) (async) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) 08:02:06 executing program 0: r0 = syz_open_dev$ndb(&(0x7f00000002c0), 0x0, 0x0) ioctl$NBD_SET_SOCK(r0, 0x5452, 0xffffffffffffffff) r1 = syz_open_dev$vcsn(&(0x7f0000000140), 0x1, 0x0) ioctl$MEDIA_IOC_REQUEST_ALLOC(r1, 0x80047c05, &(0x7f0000000180)) ioctl$ifreq_SIOCGIFINDEX_batadv_mesh(0xffffffffffffffff, 0x8933, &(0x7f0000000040)={'batadv0\x00', 0x0}) sendmsg$BATADV_CMD_GET_ROUTING_ALGOS(r1, &(0x7f0000000140)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x20220400}, 0xc, &(0x7f0000000100)={&(0x7f0000000080)={0x54, 0x0, 0x100, 0x70bd2b, 0x25dfdbfc, {}, [@BATADV_ATTR_BONDING_ENABLED={0x5, 0x2d, 0x1}, @BATADV_ATTR_AP_ISOLATION_ENABLED={0x5, 0x2a, 0x1}, @BATADV_ATTR_MESH_IFINDEX={0x8, 0x3, r2}, @BATADV_ATTR_FRAGMENTATION_ENABLED={0x5, 0x30, 0x1}, @BATADV_ATTR_GW_MODE={0x5, 0x33, 0x2}, @BATADV_ATTR_NETWORK_CODING_ENABLED={0x5}, @BATADV_ATTR_ELP_INTERVAL={0x8, 0x3a, 0xfffffffa}, @BATADV_ATTR_FRAGMENTATION_ENABLED={0x5}]}, 0x54}, 0x1, 0x0, 0x0, 0x4840}, 0x20008005) 08:02:06 executing program 2: keyctl$restrict_keyring(0xe, 0x0, 0x0, 0x0) r0 = openat$ptmx(0xffffffffffffff9c, &(0x7f0000000040), 0x0, 0x0) ioctl$TIOCGPTPEER(r0, 0x5441, 0x10000000000dbb8) 08:02:06 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000200), r1) sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f0000000200)={0x0, 0x0, &(0x7f00000001c0)={&(0x7f0000000140)={0x1c, r2, 0x1, 0x4c00, 0x0, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x1c}}, 0x0) [ 1289.284436] block nbd3: not configured, cannot reconfigure [ 1289.315433] block nbd1: not configured, cannot reconfigure 08:02:06 executing program 1: syz_open_dev$ndb(&(0x7f00000002c0), 0x0, 0x0) r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000200), r1) sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f0000000200)={0x0, 0x0, &(0x7f00000001c0)={&(0x7f0000000140)={0x1c, r2, 0x1, 0x4800, 0x0, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x1c}}, 0x0) 08:02:06 executing program 5: r0 = syz_open_dev$ndb(&(0x7f00000002c0), 0x0, 0x20040) ioctl$NBD_SET_SOCK(r0, 0x5421, 0xffffffffffffffff) 08:02:06 executing program 0: r0 = syz_open_dev$ndb(&(0x7f00000002c0), 0x0, 0x0) ioctl$NBD_SET_SOCK(r0, 0x5452, 0xffffffffffffffff) r1 = syz_open_dev$vcsn(&(0x7f0000000140), 0x1, 0x0) ioctl$MEDIA_IOC_REQUEST_ALLOC(r1, 0x80047c05, &(0x7f0000000180)) ioctl$ifreq_SIOCGIFINDEX_batadv_mesh(0xffffffffffffffff, 0x8933, &(0x7f0000000040)={'batadv0\x00', 0x0}) sendmsg$BATADV_CMD_GET_ROUTING_ALGOS(r1, &(0x7f0000000140)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x20220400}, 0xc, &(0x7f0000000100)={&(0x7f0000000080)={0x54, 0x0, 0x100, 0x70bd2b, 0x25dfdbfc, {}, [@BATADV_ATTR_BONDING_ENABLED={0x5, 0x2d, 0x1}, @BATADV_ATTR_AP_ISOLATION_ENABLED={0x5, 0x2a, 0x1}, @BATADV_ATTR_MESH_IFINDEX={0x8, 0x3, r2}, @BATADV_ATTR_FRAGMENTATION_ENABLED={0x5, 0x30, 0x1}, @BATADV_ATTR_GW_MODE={0x5, 0x33, 0x2}, @BATADV_ATTR_NETWORK_CODING_ENABLED={0x5}, @BATADV_ATTR_ELP_INTERVAL={0x8, 0x3a, 0xfffffffa}, @BATADV_ATTR_FRAGMENTATION_ENABLED={0x5}]}, 0x54}, 0x1, 0x0, 0x0, 0x4840}, 0x20008005) syz_open_dev$ndb(&(0x7f00000002c0), 0x0, 0x0) (async) ioctl$NBD_SET_SOCK(r0, 0x5452, 0xffffffffffffffff) (async) syz_open_dev$vcsn(&(0x7f0000000140), 0x1, 0x0) (async) ioctl$MEDIA_IOC_REQUEST_ALLOC(r1, 0x80047c05, &(0x7f0000000180)) (async) ioctl$ifreq_SIOCGIFINDEX_batadv_mesh(0xffffffffffffffff, 0x8933, &(0x7f0000000040)) (async) sendmsg$BATADV_CMD_GET_ROUTING_ALGOS(r1, &(0x7f0000000140)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x20220400}, 0xc, &(0x7f0000000100)={&(0x7f0000000080)={0x54, 0x0, 0x100, 0x70bd2b, 0x25dfdbfc, {}, [@BATADV_ATTR_BONDING_ENABLED={0x5, 0x2d, 0x1}, @BATADV_ATTR_AP_ISOLATION_ENABLED={0x5, 0x2a, 0x1}, @BATADV_ATTR_MESH_IFINDEX={0x8, 0x3, r2}, @BATADV_ATTR_FRAGMENTATION_ENABLED={0x5, 0x30, 0x1}, @BATADV_ATTR_GW_MODE={0x5, 0x33, 0x2}, @BATADV_ATTR_NETWORK_CODING_ENABLED={0x5}, @BATADV_ATTR_ELP_INTERVAL={0x8, 0x3a, 0xfffffffa}, @BATADV_ATTR_FRAGMENTATION_ENABLED={0x5}]}, 0x54}, 0x1, 0x0, 0x0, 0x4840}, 0x20008005) (async) [ 1289.372836] block nbd4: not configured, cannot reconfigure 08:02:06 executing program 4: syz_open_dev$ndb(&(0x7f00000002c0), 0x0, 0x0) r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000200), r1) sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f0000000200)={0x0, 0xf000, &(0x7f00000001c0)={&(0x7f0000000140)={0x1c, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x1c}}, 0x0) 08:02:06 executing program 2: keyctl$restrict_keyring(0xe, 0x0, 0x0, 0x0) openat$ptmx(0xffffffffffffff9c, &(0x7f0000000040), 0x0, 0x0) (async) r0 = openat$ptmx(0xffffffffffffff9c, &(0x7f0000000040), 0x0, 0x0) ioctl$TIOCGPTPEER(r0, 0x5441, 0x10000000000dbb8) [ 1289.416151] block nbd3: not configured, cannot reconfigure 08:02:07 executing program 5: r0 = syz_open_dev$ndb(&(0x7f00000002c0), 0x0, 0x20040) ioctl$NBD_SET_SOCK(r0, 0x5421, 0xffffffffffffffff) 08:02:07 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000200), r1) sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f0000000200)={0x0, 0x0, &(0x7f00000001c0)={&(0x7f0000000140)={0x1c, r2, 0x1, 0x6000, 0x0, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x1c}}, 0x0) 08:02:07 executing program 1: syz_open_dev$ndb(&(0x7f00000002c0), 0x0, 0x0) r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000200), r1) sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f0000000200)={0x0, 0x0, &(0x7f00000001c0)={&(0x7f0000000140)={0x1c, r2, 0x1, 0x4c00, 0x0, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x1c}}, 0x0) [ 1289.461391] block nbd1: not configured, cannot reconfigure 08:02:07 executing program 0: r0 = syz_open_dev$ndb(&(0x7f00000002c0), 0x0, 0x0) ioctl$NBD_SET_SOCK(r0, 0x5452, 0xffffffffffffffff) (async) r1 = syz_open_dev$vcsn(&(0x7f0000000140), 0x1, 0x0) ioctl$MEDIA_IOC_REQUEST_ALLOC(r1, 0x80047c05, &(0x7f0000000180)) ioctl$ifreq_SIOCGIFINDEX_batadv_mesh(0xffffffffffffffff, 0x8933, &(0x7f0000000040)={'batadv0\x00', 0x0}) sendmsg$BATADV_CMD_GET_ROUTING_ALGOS(r1, &(0x7f0000000140)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x20220400}, 0xc, &(0x7f0000000100)={&(0x7f0000000080)={0x54, 0x0, 0x100, 0x70bd2b, 0x25dfdbfc, {}, [@BATADV_ATTR_BONDING_ENABLED={0x5, 0x2d, 0x1}, @BATADV_ATTR_AP_ISOLATION_ENABLED={0x5, 0x2a, 0x1}, @BATADV_ATTR_MESH_IFINDEX={0x8, 0x3, r2}, @BATADV_ATTR_FRAGMENTATION_ENABLED={0x5, 0x30, 0x1}, @BATADV_ATTR_GW_MODE={0x5, 0x33, 0x2}, @BATADV_ATTR_NETWORK_CODING_ENABLED={0x5}, @BATADV_ATTR_ELP_INTERVAL={0x8, 0x3a, 0xfffffffa}, @BATADV_ATTR_FRAGMENTATION_ENABLED={0x5}]}, 0x54}, 0x1, 0x0, 0x0, 0x4840}, 0x20008005) 08:02:07 executing program 2: keyctl$restrict_keyring(0xe, 0x0, 0x0, 0x0) (async) r0 = openat$ptmx(0xffffffffffffff9c, &(0x7f0000000040), 0x0, 0x0) ioctl$TIOCGPTPEER(r0, 0x5441, 0x10000000000dbb8) 08:02:07 executing program 5: syz_open_dev$ndb(&(0x7f00000002c0), 0x0, 0x20040) (async) r0 = syz_open_dev$ndb(&(0x7f00000002c0), 0x0, 0x20040) ioctl$NBD_SET_SOCK(r0, 0x5421, 0xffffffffffffffff) 08:02:07 executing program 4: syz_open_dev$ndb(&(0x7f00000002c0), 0x0, 0x0) r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000200), r1) sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f0000000200)={0x0, 0x30000, &(0x7f00000001c0)={&(0x7f0000000140)={0x1c, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x1c}}, 0x0) [ 1289.534431] block nbd4: not configured, cannot reconfigure [ 1289.557598] block nbd3: not configured, cannot reconfigure 08:02:07 executing program 0: r0 = syz_open_dev$ndb(&(0x7f0000000240), 0x0, 0x2400) open(&(0x7f0000000040)='./file0\x00', 0x1, 0x2) ioctl$AUTOFS_DEV_IOCTL_PROTOVER(0xffffffffffffffff, 0xc0189372, &(0x7f0000000140)=ANY=[@ANYBLOB="010000000100000018000000", @ANYRES32=r0, @ANYBLOB='\x00\x00\x00\x00\x00\x00\a\x00./file0\x00']) r1 = syz_open_dev$vcsn(&(0x7f0000000140), 0x1, 0x0) ioctl$MEDIA_IOC_REQUEST_ALLOC(r1, 0x80047c05, &(0x7f0000000180)=0xffffffffffffffff) ioctl$AUTOFS_DEV_IOCTL_REQUESTER(r1, 0xc018937b, &(0x7f00000001c0)={{0x1, 0x1, 0x18, r2}, './file0\x00'}) ioctl$NBD_SET_BLKSIZE(r3, 0xab01, 0x1) ioctl$NBD_SET_SOCK(r0, 0x5452, 0xffffffffffffffff) syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x880) r4 = open(&(0x7f00000000c0)='./file0\x00', 0x408200, 0x4) statx(r4, &(0x7f0000000100)='./file0\x00', 0x0, 0x20, &(0x7f0000000300)) r5 = openat$kvm(0xffffffffffffff9c, &(0x7f0000000080), 0x101003, 0x0) fstat(r5, &(0x7f0000000280)) 08:02:07 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000200), r1) sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f0000000200)={0x0, 0x0, &(0x7f00000001c0)={&(0x7f0000000140)={0x1c, r2, 0x1, 0x6800, 0x0, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x1c}}, 0x0) 08:02:07 executing program 1: syz_open_dev$ndb(&(0x7f00000002c0), 0x0, 0x0) r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000200), r1) sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f0000000200)={0x0, 0x0, &(0x7f00000001c0)={&(0x7f0000000140)={0x1c, r2, 0x1, 0x6000, 0x0, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x1c}}, 0x0) 08:02:07 executing program 2: r0 = socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NL80211_CMD_CRIT_PROTOCOL_START(r0, &(0x7f0000000140)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x40000000}, 0xc, &(0x7f0000000100)={&(0x7f0000000080)={0x5c, 0x0, 0x10, 0x70bd2a, 0x25dfdbfc, {{}, {@val={0x8}, @void}}, [@NL80211_ATTR_MAX_CRIT_PROT_DURATION={0x6, 0xb4, 0x134b}, @NL80211_ATTR_MAX_CRIT_PROT_DURATION={0x6, 0xb4, 0x106f}, @NL80211_ATTR_CRIT_PROT_ID={0x6, 0xb3, 0x3}, @NL80211_ATTR_CRIT_PROT_ID={0x6, 0xb3, 0x3}, @NL80211_ATTR_CRIT_PROT_ID={0x6, 0xb3, 0x2}, @NL80211_ATTR_CRIT_PROT_ID={0x6, 0xb3, 0x3}, @NL80211_ATTR_CRIT_PROT_ID={0x6, 0xb3, 0x2}, @NL80211_ATTR_CRIT_PROT_ID={0x6, 0xb3, 0x3}]}, 0x5c}, 0x1, 0x0, 0x0, 0x20000085}, 0x4000052) r1 = openat$ptmx(0xffffffffffffff9c, &(0x7f0000000040), 0x0, 0x0) r2 = syz_genetlink_get_family_id$batadv(&(0x7f00000001c0), r0) sendmsg$BATADV_CMD_GET_BLA_CLAIM(r0, &(0x7f00000002c0)={&(0x7f0000000180)={0x10, 0x0, 0x0, 0x8000}, 0xc, &(0x7f0000000280)={&(0x7f0000000200)={0x44, r2, 0x400, 0x70bd28, 0x25dfdbfd, {}, [@BATADV_ATTR_GW_SEL_CLASS={0x8, 0x34, 0xfffffffb}, @BATADV_ATTR_AGGREGATED_OGMS_ENABLED={0x5, 0x29, 0x1}, @BATADV_ATTR_ISOLATION_MARK={0x8, 0x2b, 0xdc}, @BATADV_ATTR_GW_SEL_CLASS={0x8, 0x34, 0x101}, @BATADV_ATTR_FRAGMENTATION_ENABLED={0x5, 0x30, 0x1}, @BATADV_ATTR_GW_SEL_CLASS={0x8, 0x34, 0x7fff}]}, 0x44}}, 0x200080d0) ioctl$TIOCGPTPEER(r1, 0x5441, 0xdbb8) [ 1289.606335] block nbd1: not configured, cannot reconfigure 08:02:07 executing program 4: syz_open_dev$ndb(&(0x7f00000002c0), 0x0, 0x0) r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000200), r1) sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f0000000200)={0x0, 0x34000, &(0x7f00000001c0)={&(0x7f0000000140)={0x1c, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x1c}}, 0x0) 08:02:07 executing program 5: r0 = syz_open_dev$ttys(0xc, 0x2, 0x1) ioctl$TCSETSW(r0, 0x5403, &(0x7f0000000540)={0x0, 0x0, 0xffffffff, 0x9, 0x0, "baf26a10e07ba77f1de09b779f3357c9c5a583"}) ioctl$TIOCSPGRP(r0, 0x5410, &(0x7f0000000000)=0xffffffffffffffff) r1 = syz_open_dev$ndb(&(0x7f00000002c0), 0x0, 0x0) ioctl$NBD_SET_SOCK(r1, 0x5421, 0xffffffffffffffff) [ 1289.664658] block nbd4: not configured, cannot reconfigure 08:02:07 executing program 0: r0 = syz_open_dev$ndb(&(0x7f0000000240), 0x0, 0x2400) open(&(0x7f0000000040)='./file0\x00', 0x1, 0x2) (async) ioctl$AUTOFS_DEV_IOCTL_PROTOVER(0xffffffffffffffff, 0xc0189372, &(0x7f0000000140)=ANY=[@ANYBLOB="010000000100000018000000", @ANYRES32=r0, @ANYBLOB='\x00\x00\x00\x00\x00\x00\a\x00./file0\x00']) (async) r1 = syz_open_dev$vcsn(&(0x7f0000000140), 0x1, 0x0) ioctl$MEDIA_IOC_REQUEST_ALLOC(r1, 0x80047c05, &(0x7f0000000180)=0xffffffffffffffff) ioctl$AUTOFS_DEV_IOCTL_REQUESTER(r1, 0xc018937b, &(0x7f00000001c0)={{0x1, 0x1, 0x18, r2}, './file0\x00'}) ioctl$NBD_SET_BLKSIZE(r3, 0xab01, 0x1) (async) ioctl$NBD_SET_SOCK(r0, 0x5452, 0xffffffffffffffff) (async, rerun: 32) syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x880) (async, rerun: 32) r4 = open(&(0x7f00000000c0)='./file0\x00', 0x408200, 0x4) statx(r4, &(0x7f0000000100)='./file0\x00', 0x0, 0x20, &(0x7f0000000300)) (async) r5 = openat$kvm(0xffffffffffffff9c, &(0x7f0000000080), 0x101003, 0x0) fstat(r5, &(0x7f0000000280)) 08:02:07 executing program 2: r0 = socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NL80211_CMD_CRIT_PROTOCOL_START(r0, &(0x7f0000000140)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x40000000}, 0xc, &(0x7f0000000100)={&(0x7f0000000080)={0x5c, 0x0, 0x10, 0x70bd2a, 0x25dfdbfc, {{}, {@val={0x8}, @void}}, [@NL80211_ATTR_MAX_CRIT_PROT_DURATION={0x6, 0xb4, 0x134b}, @NL80211_ATTR_MAX_CRIT_PROT_DURATION={0x6, 0xb4, 0x106f}, @NL80211_ATTR_CRIT_PROT_ID={0x6, 0xb3, 0x3}, @NL80211_ATTR_CRIT_PROT_ID={0x6, 0xb3, 0x3}, @NL80211_ATTR_CRIT_PROT_ID={0x6, 0xb3, 0x2}, @NL80211_ATTR_CRIT_PROT_ID={0x6, 0xb3, 0x3}, @NL80211_ATTR_CRIT_PROT_ID={0x6, 0xb3, 0x2}, @NL80211_ATTR_CRIT_PROT_ID={0x6, 0xb3, 0x3}]}, 0x5c}, 0x1, 0x0, 0x0, 0x20000085}, 0x4000052) (async, rerun: 32) r1 = openat$ptmx(0xffffffffffffff9c, &(0x7f0000000040), 0x0, 0x0) (async, rerun: 32) r2 = syz_genetlink_get_family_id$batadv(&(0x7f00000001c0), r0) sendmsg$BATADV_CMD_GET_BLA_CLAIM(r0, &(0x7f00000002c0)={&(0x7f0000000180)={0x10, 0x0, 0x0, 0x8000}, 0xc, &(0x7f0000000280)={&(0x7f0000000200)={0x44, r2, 0x400, 0x70bd28, 0x25dfdbfd, {}, [@BATADV_ATTR_GW_SEL_CLASS={0x8, 0x34, 0xfffffffb}, @BATADV_ATTR_AGGREGATED_OGMS_ENABLED={0x5, 0x29, 0x1}, @BATADV_ATTR_ISOLATION_MARK={0x8, 0x2b, 0xdc}, @BATADV_ATTR_GW_SEL_CLASS={0x8, 0x34, 0x101}, @BATADV_ATTR_FRAGMENTATION_ENABLED={0x5, 0x30, 0x1}, @BATADV_ATTR_GW_SEL_CLASS={0x8, 0x34, 0x7fff}]}, 0x44}}, 0x200080d0) (async, rerun: 32) ioctl$TIOCGPTPEER(r1, 0x5441, 0xdbb8) (rerun: 32) 08:02:07 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000200), r1) sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f0000000200)={0x0, 0x0, &(0x7f00000001c0)={&(0x7f0000000140)={0x1c, r2, 0x1, 0x6c00, 0x0, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x1c}}, 0x0) [ 1289.720999] block nbd3: not configured, cannot reconfigure [ 1289.744136] block nbd1: not configured, cannot reconfigure 08:02:07 executing program 1: syz_open_dev$ndb(&(0x7f00000002c0), 0x0, 0x0) r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000200), r1) sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f0000000200)={0x0, 0x0, &(0x7f00000001c0)={&(0x7f0000000140)={0x1c, r2, 0x1, 0x6800, 0x0, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x1c}}, 0x0) 08:02:07 executing program 5: r0 = syz_open_dev$ttys(0xc, 0x2, 0x1) ioctl$TCSETSW(r0, 0x5403, &(0x7f0000000540)={0x0, 0x0, 0xffffffff, 0x9, 0x0, "baf26a10e07ba77f1de09b779f3357c9c5a583"}) ioctl$TIOCSPGRP(r0, 0x5410, &(0x7f0000000000)=0xffffffffffffffff) r1 = syz_open_dev$ndb(&(0x7f00000002c0), 0x0, 0x0) ioctl$NBD_SET_SOCK(r1, 0x5421, 0xffffffffffffffff) syz_open_dev$ttys(0xc, 0x2, 0x1) (async) ioctl$TCSETSW(r0, 0x5403, &(0x7f0000000540)={0x0, 0x0, 0xffffffff, 0x9, 0x0, "baf26a10e07ba77f1de09b779f3357c9c5a583"}) (async) ioctl$TIOCSPGRP(r0, 0x5410, &(0x7f0000000000)=0xffffffffffffffff) (async) syz_open_dev$ndb(&(0x7f00000002c0), 0x0, 0x0) (async) ioctl$NBD_SET_SOCK(r1, 0x5421, 0xffffffffffffffff) (async) [ 1289.814407] block nbd4: not configured, cannot reconfigure 08:02:07 executing program 4: syz_open_dev$ndb(&(0x7f00000002c0), 0x0, 0x0) r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000200), r1) sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f0000000200)={0x0, 0x400300, &(0x7f00000001c0)={&(0x7f0000000140)={0x1c, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x1c}}, 0x0) 08:02:07 executing program 0: r0 = syz_open_dev$ndb(&(0x7f0000000240), 0x0, 0x2400) open(&(0x7f0000000040)='./file0\x00', 0x1, 0x2) ioctl$AUTOFS_DEV_IOCTL_PROTOVER(0xffffffffffffffff, 0xc0189372, &(0x7f0000000140)=ANY=[@ANYBLOB="010000000100000018000000", @ANYRES32=r0, @ANYBLOB='\x00\x00\x00\x00\x00\x00\a\x00./file0\x00']) r1 = syz_open_dev$vcsn(&(0x7f0000000140), 0x1, 0x0) ioctl$MEDIA_IOC_REQUEST_ALLOC(r1, 0x80047c05, &(0x7f0000000180)=0xffffffffffffffff) ioctl$AUTOFS_DEV_IOCTL_REQUESTER(r1, 0xc018937b, &(0x7f00000001c0)={{0x1, 0x1, 0x18, r2}, './file0\x00'}) ioctl$NBD_SET_BLKSIZE(r3, 0xab01, 0x1) ioctl$NBD_SET_SOCK(r0, 0x5452, 0xffffffffffffffff) syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x880) r4 = open(&(0x7f00000000c0)='./file0\x00', 0x408200, 0x4) statx(r4, &(0x7f0000000100)='./file0\x00', 0x0, 0x20, &(0x7f0000000300)) r5 = openat$kvm(0xffffffffffffff9c, &(0x7f0000000080), 0x101003, 0x0) fstat(r5, &(0x7f0000000280)) syz_open_dev$ndb(&(0x7f0000000240), 0x0, 0x2400) (async) open(&(0x7f0000000040)='./file0\x00', 0x1, 0x2) (async) ioctl$AUTOFS_DEV_IOCTL_PROTOVER(0xffffffffffffffff, 0xc0189372, &(0x7f0000000140)=ANY=[@ANYBLOB="010000000100000018000000", @ANYRES32=r0, @ANYBLOB='\x00\x00\x00\x00\x00\x00\a\x00./file0\x00']) (async) syz_open_dev$vcsn(&(0x7f0000000140), 0x1, 0x0) (async) ioctl$MEDIA_IOC_REQUEST_ALLOC(r1, 0x80047c05, &(0x7f0000000180)) (async) ioctl$AUTOFS_DEV_IOCTL_REQUESTER(r1, 0xc018937b, &(0x7f00000001c0)={{0x1, 0x1, 0x18, r2}, './file0\x00'}) (async) ioctl$NBD_SET_BLKSIZE(r3, 0xab01, 0x1) (async) ioctl$NBD_SET_SOCK(r0, 0x5452, 0xffffffffffffffff) (async) syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x880) (async) open(&(0x7f00000000c0)='./file0\x00', 0x408200, 0x4) (async) statx(r4, &(0x7f0000000100)='./file0\x00', 0x0, 0x20, &(0x7f0000000300)) (async) openat$kvm(0xffffffffffffff9c, &(0x7f0000000080), 0x101003, 0x0) (async) fstat(r5, &(0x7f0000000280)) (async) [ 1289.890815] block nbd3: not configured, cannot reconfigure 08:02:07 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000200), r1) sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f0000000200)={0x0, 0x0, &(0x7f00000001c0)={&(0x7f0000000140)={0x1c, r2, 0x1, 0x7400, 0x0, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x1c}}, 0x0) 08:02:07 executing program 5: r0 = syz_open_dev$ttys(0xc, 0x2, 0x1) ioctl$TCSETSW(r0, 0x5403, &(0x7f0000000540)={0x0, 0x0, 0xffffffff, 0x9, 0x0, "baf26a10e07ba77f1de09b779f3357c9c5a583"}) (async, rerun: 64) ioctl$TIOCSPGRP(r0, 0x5410, &(0x7f0000000000)=0xffffffffffffffff) (rerun: 64) r1 = syz_open_dev$ndb(&(0x7f00000002c0), 0x0, 0x0) ioctl$NBD_SET_SOCK(r1, 0x5421, 0xffffffffffffffff) 08:02:07 executing program 1: syz_open_dev$ndb(&(0x7f00000002c0), 0x0, 0x0) r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000200), r1) sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f0000000200)={0x0, 0x0, &(0x7f00000001c0)={&(0x7f0000000140)={0x1c, r2, 0x1, 0x6c00, 0x0, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x1c}}, 0x0) 08:02:07 executing program 4: syz_open_dev$ndb(&(0x7f00000002c0), 0x0, 0x0) r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000200), r1) sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f0000000200)={0x0, 0xf0ffff, &(0x7f00000001c0)={&(0x7f0000000140)={0x1c, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x1c}}, 0x0) [ 1289.931586] block nbd1: not configured, cannot reconfigure [ 1289.965727] block nbd4: not configured, cannot reconfigure 08:02:07 executing program 0: r0 = syz_open_dev$ndb(&(0x7f00000002c0), 0x0, 0x0) ioctl$AUTOFS_DEV_IOCTL_PROTOVER(0xffffffffffffffff, 0xc0189372, &(0x7f0000000000)={{0x1, 0x1, 0x18, r0, {0x82}}, './file0\x00'}) ioctl$NBD_SET_SOCK(r1, 0x5452, r1) 08:02:07 executing program 2: r0 = socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NL80211_CMD_CRIT_PROTOCOL_START(r0, &(0x7f0000000140)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x40000000}, 0xc, &(0x7f0000000100)={&(0x7f0000000080)={0x5c, 0x0, 0x10, 0x70bd2a, 0x25dfdbfc, {{}, {@val={0x8}, @void}}, [@NL80211_ATTR_MAX_CRIT_PROT_DURATION={0x6, 0xb4, 0x134b}, @NL80211_ATTR_MAX_CRIT_PROT_DURATION={0x6, 0xb4, 0x106f}, @NL80211_ATTR_CRIT_PROT_ID={0x6, 0xb3, 0x3}, @NL80211_ATTR_CRIT_PROT_ID={0x6, 0xb3, 0x3}, @NL80211_ATTR_CRIT_PROT_ID={0x6, 0xb3, 0x2}, @NL80211_ATTR_CRIT_PROT_ID={0x6, 0xb3, 0x3}, @NL80211_ATTR_CRIT_PROT_ID={0x6, 0xb3, 0x2}, @NL80211_ATTR_CRIT_PROT_ID={0x6, 0xb3, 0x3}]}, 0x5c}, 0x1, 0x0, 0x0, 0x20000085}, 0x4000052) r1 = openat$ptmx(0xffffffffffffff9c, &(0x7f0000000040), 0x0, 0x0) (async, rerun: 64) r2 = syz_genetlink_get_family_id$batadv(&(0x7f00000001c0), r0) (rerun: 64) sendmsg$BATADV_CMD_GET_BLA_CLAIM(r0, &(0x7f00000002c0)={&(0x7f0000000180)={0x10, 0x0, 0x0, 0x8000}, 0xc, &(0x7f0000000280)={&(0x7f0000000200)={0x44, r2, 0x400, 0x70bd28, 0x25dfdbfd, {}, [@BATADV_ATTR_GW_SEL_CLASS={0x8, 0x34, 0xfffffffb}, @BATADV_ATTR_AGGREGATED_OGMS_ENABLED={0x5, 0x29, 0x1}, @BATADV_ATTR_ISOLATION_MARK={0x8, 0x2b, 0xdc}, @BATADV_ATTR_GW_SEL_CLASS={0x8, 0x34, 0x101}, @BATADV_ATTR_FRAGMENTATION_ENABLED={0x5, 0x30, 0x1}, @BATADV_ATTR_GW_SEL_CLASS={0x8, 0x34, 0x7fff}]}, 0x44}}, 0x200080d0) (async) ioctl$TIOCGPTPEER(r1, 0x5441, 0xdbb8) 08:02:07 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000200), r1) sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f0000000200)={0x0, 0x0, &(0x7f00000001c0)={&(0x7f0000000140)={0x1c, r2, 0x1, 0x7a00, 0x0, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x1c}}, 0x0) [ 1290.050450] block nbd3: not configured, cannot reconfigure 08:02:07 executing program 5: r0 = syz_open_dev$ndb(&(0x7f00000002c0), 0x0, 0x400201) ioctl$NBD_CLEAR_QUE(r0, 0xab05) ioctl$NBD_SET_SOCK(r0, 0x5421, 0xffffffffffffffff) r1 = syz_open_dev$vcsn(&(0x7f0000000140), 0x1, 0x0) ioctl$MEDIA_IOC_REQUEST_ALLOC(r1, 0x80047c05, &(0x7f0000000180)) r2 = openat$ttyprintk(0xffffffffffffff9c, &(0x7f00000001c0), 0x6142, 0x0) sendmsg$RDMA_NLDEV_CMD_RES_PD_GET(r1, &(0x7f0000000780)={&(0x7f0000000240)={0x10, 0x0, 0x0, 0x200}, 0xc, &(0x7f0000000280)={&(0x7f00000007c0)=ANY=[@ANYBLOB="180000000e14008350bd7000fcdbdf2508003c000200000008003c0003000000c9813c00000000000800010000d1cdfcbdd987e20eb45417879fb9000000080003000300000008003c0002000000080001000200000008000100010000000800010000000000"], 0x58}, 0x1, 0x0, 0x0, 0x40054844}, 0x495) ioctl$KDFONTOP_SET(r2, 0x4b72, &(0x7f0000000200)={0x0, 0x1, 0x10, 0x14, 0x1e8, &(0x7f0000000300)="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"}) r3 = socket$nl_generic(0x10, 0x3, 0x10) ioctl$sock_bt_cmtp_CMTPCONNADD(r1, 0x400443c8, &(0x7f00000008c0)={r3, 0x5}) r4 = syz_genetlink_get_family_id$batadv(&(0x7f0000000040), 0xffffffffffffffff) sendmsg$BATADV_CMD_GET_VLAN(r1, &(0x7f0000000100)={&(0x7f0000000000), 0xc, &(0x7f00000000c0)={&(0x7f0000000080)={0x20, r4, 0x400, 0x70bd29, 0x25dfdbfc, {}, [@BATADV_ATTR_ORIG_ADDRESS={0xa, 0x9, @local}]}, 0x20}}, 0x20008001) r5 = syz_open_dev$vcsn(&(0x7f0000000140), 0x1, 0x0) ioctl$MEDIA_IOC_REQUEST_ALLOC(r5, 0x80047c05, &(0x7f0000000180)) sendmsg$BATADV_CMD_GET_TRANSTABLE_LOCAL(r5, &(0x7f0000000880)={&(0x7f0000000700)={0x10, 0x0, 0x0, 0x800}, 0xc, &(0x7f0000000840)={&(0x7f0000000740)={0x1c, r4, 0x100, 0x70bd25, 0x25dfdbfc, {}, [@BATADV_ATTR_MULTICAST_FORCEFLOOD_ENABLED={0x5, 0x37, 0x1}]}, 0x1c}, 0x1, 0x0, 0x0, 0x20040050}, 0x48044) ioctl$NBD_SET_SOCK(r0, 0xab00, 0xffffffffffffffff) 08:02:07 executing program 4: syz_open_dev$ndb(&(0x7f00000002c0), 0x0, 0x0) r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000200), r1) sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f0000000200)={0x0, 0x1000000, &(0x7f00000001c0)={&(0x7f0000000140)={0x1c, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x1c}}, 0x0) 08:02:07 executing program 1: syz_open_dev$ndb(&(0x7f00000002c0), 0x0, 0x0) r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000200), r1) sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f0000000200)={0x0, 0x0, &(0x7f00000001c0)={&(0x7f0000000140)={0x1c, r2, 0x1, 0x7400, 0x0, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x1c}}, 0x0) [ 1290.112451] block nbd4: not configured, cannot reconfigure [ 1290.139599] block nbd1: not configured, cannot reconfigure 08:02:07 executing program 0: r0 = syz_open_dev$ndb(&(0x7f00000002c0), 0x0, 0x0) ioctl$AUTOFS_DEV_IOCTL_PROTOVER(0xffffffffffffffff, 0xc0189372, &(0x7f0000000000)={{0x1, 0x1, 0x18, r0, {0x82}}, './file0\x00'}) ioctl$NBD_SET_SOCK(r1, 0x5452, r1) (async) ioctl$NBD_SET_SOCK(r1, 0x5452, r1) [ 1290.179577] block nbd3: not configured, cannot reconfigure 08:02:07 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000200), r1) sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f0000000200)={0x0, 0x0, &(0x7f00000001c0)={&(0x7f0000000140)={0x1c, r2, 0x1, 0xf000, 0x0, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x1c}}, 0x0) 08:02:07 executing program 5: r0 = syz_open_dev$ndb(&(0x7f00000002c0), 0x0, 0x400201) ioctl$NBD_CLEAR_QUE(r0, 0xab05) (async) ioctl$NBD_SET_SOCK(r0, 0x5421, 0xffffffffffffffff) (async) r1 = syz_open_dev$vcsn(&(0x7f0000000140), 0x1, 0x0) ioctl$MEDIA_IOC_REQUEST_ALLOC(r1, 0x80047c05, &(0x7f0000000180)) r2 = openat$ttyprintk(0xffffffffffffff9c, &(0x7f00000001c0), 0x6142, 0x0) sendmsg$RDMA_NLDEV_CMD_RES_PD_GET(r1, &(0x7f0000000780)={&(0x7f0000000240)={0x10, 0x0, 0x0, 0x200}, 0xc, &(0x7f0000000280)={&(0x7f00000007c0)=ANY=[@ANYBLOB="180000000e14008350bd7000fcdbdf2508003c000200000008003c0003000000c9813c00000000000800010000d1cdfcbdd987e20eb45417879fb9000000080003000300000008003c0002000000080001000200000008000100010000000800010000000000"], 0x58}, 0x1, 0x0, 0x0, 0x40054844}, 0x495) (async) ioctl$KDFONTOP_SET(r2, 0x4b72, &(0x7f0000000200)={0x0, 0x1, 0x10, 0x14, 0x1e8, &(0x7f0000000300)="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"}) (async, rerun: 32) r3 = socket$nl_generic(0x10, 0x3, 0x10) (rerun: 32) ioctl$sock_bt_cmtp_CMTPCONNADD(r1, 0x400443c8, &(0x7f00000008c0)={r3, 0x5}) (async) r4 = syz_genetlink_get_family_id$batadv(&(0x7f0000000040), 0xffffffffffffffff) sendmsg$BATADV_CMD_GET_VLAN(r1, &(0x7f0000000100)={&(0x7f0000000000), 0xc, &(0x7f00000000c0)={&(0x7f0000000080)={0x20, r4, 0x400, 0x70bd29, 0x25dfdbfc, {}, [@BATADV_ATTR_ORIG_ADDRESS={0xa, 0x9, @local}]}, 0x20}}, 0x20008001) r5 = syz_open_dev$vcsn(&(0x7f0000000140), 0x1, 0x0) ioctl$MEDIA_IOC_REQUEST_ALLOC(r5, 0x80047c05, &(0x7f0000000180)) (async, rerun: 32) sendmsg$BATADV_CMD_GET_TRANSTABLE_LOCAL(r5, &(0x7f0000000880)={&(0x7f0000000700)={0x10, 0x0, 0x0, 0x800}, 0xc, &(0x7f0000000840)={&(0x7f0000000740)={0x1c, r4, 0x100, 0x70bd25, 0x25dfdbfc, {}, [@BATADV_ATTR_MULTICAST_FORCEFLOOD_ENABLED={0x5, 0x37, 0x1}]}, 0x1c}, 0x1, 0x0, 0x0, 0x20040050}, 0x48044) (async, rerun: 32) ioctl$NBD_SET_SOCK(r0, 0xab00, 0xffffffffffffffff) 08:02:07 executing program 4: syz_open_dev$ndb(&(0x7f00000002c0), 0x0, 0x0) r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000200), r1) sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f0000000200)={0x0, 0x2000000, &(0x7f00000001c0)={&(0x7f0000000140)={0x1c, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x1c}}, 0x0) 08:02:07 executing program 0: r0 = syz_open_dev$ndb(&(0x7f00000002c0), 0x0, 0x0) ioctl$AUTOFS_DEV_IOCTL_PROTOVER(0xffffffffffffffff, 0xc0189372, &(0x7f0000000000)={{0x1, 0x1, 0x18, r0, {0x82}}, './file0\x00'}) ioctl$NBD_SET_SOCK(r1, 0x5452, r1) 08:02:07 executing program 1: syz_open_dev$ndb(&(0x7f00000002c0), 0x0, 0x0) r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000200), r1) sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f0000000200)={0x0, 0x0, &(0x7f00000001c0)={&(0x7f0000000140)={0x1c, r2, 0x1, 0x7a00, 0x0, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x1c}}, 0x0) [ 1290.252142] block nbd4: not configured, cannot reconfigure [ 1290.282144] block nbd1: not configured, cannot reconfigure 08:02:07 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000200), r1) sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f0000000200)={0x0, 0x0, &(0x7f00000001c0)={&(0x7f0000000140)={0x1c, r2, 0x1, 0x30000, 0x0, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x1c}}, 0x0) [ 1290.338262] block nbd3: not configured, cannot reconfigure [ 1290.413206] block nbd4: not configured, cannot reconfigure [ 1290.434412] block nbd1: not configured, cannot reconfigure [ 1290.464654] block nbd3: not configured, cannot reconfigure 08:02:08 executing program 2: r0 = openat$ptmx(0xffffffffffffff9c, &(0x7f0000000040), 0x0, 0x0) r1 = ioctl$TIOCGPTPEER(r0, 0x5441, 0xdbb8) r2 = syz_open_dev$ttys(0xc, 0x2, 0x0) ioctl$VT_OPENQRY(r2, 0x5600, &(0x7f0000000080)) r3 = syz_open_dev$ttys(0xc, 0x2, 0x1) ioctl$TCSETSW(r3, 0x5403, &(0x7f0000000540)={0x0, 0x0, 0xffffffff, 0x9, 0x0, "baf26a10e07ba77f1de09b779f3357c9c5a583"}) ioctl$KDFONTOP_SET(r3, 0x4b72, &(0x7f0000000500)={0x0, 0x1, 0x1b, 0x1b, 0xd, &(0x7f0000000100)="5d1e476c2c77e3552f0b283bf0ad22092c6f99ca0b3739648c9d64452ed75c64f497410b25b10489ed8ebe48571f567bf18809eb164d001d5dff16688fcbfa80d11a4d25c31f36557e80b1dd48bff16492198b5f8435d5654fc792e4ffd40664aad6fcc0f04d953933212bce42eacc7531e394141ec336bb3bafabe185001e0c8affbd84bdb756488b4ab01d4bceaba0d6ff02f1accf28e62cd3a625417591a98d844e8e0e32e34dba1fccda0c931d4b4759a2917ec6c1a78fc28d4d2fc8d0d28c15cda45269f18c6e68e23726458139e28a57bac36ec129d46fc073e50a8ab947be30702b403200eaf4afb86520b27a4a70c5369d13f2d842197d6a0421f43a967e602ad7a8b1b873a440af219290225748b0477ab6df38fa00f6c7911bbec69fa7714f54038b5eadc77d69baa370bd151e6705ba490739f43a8c4ce930385c7f234561bc7ce8fa40fc6ca74d58d4a0883557c776573c0ca42f07b8c5ed4eb5e0eb18d92c6cf947f6b503a72867ad3998c44ef99e93e1d4626f413772d7e257444c257259699ea02accd505fadc4a4d69cac59661f622c75072883796fd67a5b9c08f4c507cceab91a36b691675906c7dca86cc723c55c97b1ffa1c1e523ec61addade18cad7e2c69b8d788f852d4f49def6087dbb2eeda11f9754fc051839393cff4da737833ee048b13cfb84c109890f764ee282501e3f27ba85deee5d16adbfb8dbd26dd498bdb9f6da5baf3bc9adcd57342aa2bd79b25edf7085a02e962608825604f6acdaa09c2b0193e1f2ef5bac00fa7b2ec402c54d2564f55d8a8e2888648eeeb21cb3c0882f7e8f63264b65ad4544833bdc7fe2dae5ad43c041432bfcfa1833f5aad6c17cd6bf866e7f67b2579b6241065d085e45afa327f85cca2d1d9cf74aba21dcf6220b89857c852d3df4e383cbf5a87fba0403465d0f55d1b68b7ef88b6974ba1480150d1f78862fabe441f148126e21d7323876b3e1cd93b427a8a761a087589eaa6ee3d06ebc770a9aef1cca5c269b9dc159a5d89175f5ff35b731e3f31fa7a25c216c01d6cf2599395c0a1aa9b5e5fc1abb155444af69d1ddf8673210b73bb03bf55b4f00b3119c47d8c0b83e884d84d69ed9c6d8ac548afaa79c5ab9bb8460407251e4edb3cccecb842e8ce1193a119ca369524c9d976b4ea303be7e4ed2b21048abb700752f2534ebde501ddf90d5685edfc09eb6cfa35bafe2bf1e5753ba36e5e7c67cd266c7a6f171b391e92a76c0d94fd1424ae952296c90b279cc37e4d62c3b4d5f042e1c038de89bdb2db1109ef6da2c99025d2f725aff5b8a855c8f80de881bea495e551bf7f65e0f2a4f0d14fba15be453e42e6d61e4c807b6dd8d277cbafd3ec5672ff9173280afcdcd8f82bde6014e8420cbdce214b3643639385b11a953ad465c829b9f2d41462f94becadf9adbe8511ab"}) ioctl$TIOCNOTTY(r1, 0x5422) ioctl$TIOCMBIC(r0, 0x5417, &(0x7f0000000000)=0x7f) r4 = syz_open_dev$tty20(0xc, 0x4, 0x1) ioctl$TCSETSF(r4, 0x5404, &(0x7f0000000900)={0x0, 0x0, 0x0, 0x0, 0x0, "9750da5e3b38a0e557884e87596d6020c84d50"}) ioctl$TIOCL_UNBLANKSCREEN(r4, 0x541c, &(0x7f00000000c0)) 08:02:08 executing program 5: r0 = syz_open_dev$ndb(&(0x7f00000002c0), 0x0, 0x400201) ioctl$NBD_CLEAR_QUE(r0, 0xab05) (async) ioctl$NBD_SET_SOCK(r0, 0x5421, 0xffffffffffffffff) r1 = syz_open_dev$vcsn(&(0x7f0000000140), 0x1, 0x0) ioctl$MEDIA_IOC_REQUEST_ALLOC(r1, 0x80047c05, &(0x7f0000000180)) (async) r2 = openat$ttyprintk(0xffffffffffffff9c, &(0x7f00000001c0), 0x6142, 0x0) sendmsg$RDMA_NLDEV_CMD_RES_PD_GET(r1, &(0x7f0000000780)={&(0x7f0000000240)={0x10, 0x0, 0x0, 0x200}, 0xc, &(0x7f0000000280)={&(0x7f00000007c0)=ANY=[@ANYBLOB="180000000e14008350bd7000fcdbdf2508003c000200000008003c0003000000c9813c00000000000800010000d1cdfcbdd987e20eb45417879fb9000000080003000300000008003c0002000000080001000200000008000100010000000800010000000000"], 0x58}, 0x1, 0x0, 0x0, 0x40054844}, 0x495) (async) ioctl$KDFONTOP_SET(r2, 0x4b72, &(0x7f0000000200)={0x0, 0x1, 0x10, 0x14, 0x1e8, &(0x7f0000000300)="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"}) (async) r3 = socket$nl_generic(0x10, 0x3, 0x10) ioctl$sock_bt_cmtp_CMTPCONNADD(r1, 0x400443c8, &(0x7f00000008c0)={r3, 0x5}) r4 = syz_genetlink_get_family_id$batadv(&(0x7f0000000040), 0xffffffffffffffff) sendmsg$BATADV_CMD_GET_VLAN(r1, &(0x7f0000000100)={&(0x7f0000000000), 0xc, &(0x7f00000000c0)={&(0x7f0000000080)={0x20, r4, 0x400, 0x70bd29, 0x25dfdbfc, {}, [@BATADV_ATTR_ORIG_ADDRESS={0xa, 0x9, @local}]}, 0x20}}, 0x20008001) (async) r5 = syz_open_dev$vcsn(&(0x7f0000000140), 0x1, 0x0) ioctl$MEDIA_IOC_REQUEST_ALLOC(r5, 0x80047c05, &(0x7f0000000180)) (async) sendmsg$BATADV_CMD_GET_TRANSTABLE_LOCAL(r5, &(0x7f0000000880)={&(0x7f0000000700)={0x10, 0x0, 0x0, 0x800}, 0xc, &(0x7f0000000840)={&(0x7f0000000740)={0x1c, r4, 0x100, 0x70bd25, 0x25dfdbfc, {}, [@BATADV_ATTR_MULTICAST_FORCEFLOOD_ENABLED={0x5, 0x37, 0x1}]}, 0x1c}, 0x1, 0x0, 0x0, 0x20040050}, 0x48044) (async) ioctl$NBD_SET_SOCK(r0, 0xab00, 0xffffffffffffffff) 08:02:08 executing program 0: r0 = syz_open_dev$tty20(0xc, 0x4, 0x1) ioctl$KDSKBENT(r0, 0x4b47, &(0x7f0000000000)={0x7, 0x1, 0x1000}) syz_open_dev$ndb(&(0x7f00000002c0), 0x0, 0x0) r1 = syz_open_dev$vcsn(&(0x7f0000000040), 0xdeab, 0x50000) ioctl$sock_SIOCGIFINDEX_80211(0xffffffffffffffff, 0x8933, &(0x7f00000000c0)={'wlan1\x00', 0x0}) sendmsg$NL80211_CMD_NEW_STATION(r1, &(0x7f0000000340)={&(0x7f0000000080)={0x10, 0x0, 0x0, 0x40000000}, 0xc, &(0x7f0000000300)={&(0x7f0000000100)={0x1ac, 0x0, 0x200, 0x70bd2a, 0x25dfdbfc, {{}, {@val={0x8, 0x3, r2}, @val={0xc, 0x99, {0xffffffff, 0x4b}}}}, [@NL80211_ATTR_STA_EXT_CAPABILITY={0x88, 0xac, "b1b5436352ad8f4782f9c5b4cc512c63c5e9c4a13a38ebbff1e17d725ec3a4bbd989acb26879273555627d98c08e888c79e8f39111cfb4aa4c4a2ad5c6d3d0ea492468e7c2acb54acd7408c313bf45ad690830982e07ee9e594d78b1c60ed6b6e8974f1b7c66f2d375784f680645d73df0565652e4f3f7d292e50e505278c261e41aa7da"}, @NL80211_ATTR_STA_TX_POWER_SETTING={0x5, 0x113, 0x1}, @NL80211_ATTR_STA_PLINK_ACTION={0x5, 0x19, 0x1}, @NL80211_ATTR_STA_WME={0x34, 0x81, [@NL80211_STA_WME_MAX_SP={0x5, 0x2, 0xfc}, @NL80211_STA_WME_UAPSD_QUEUES={0x5, 0x1, 0x5e}, @NL80211_STA_WME_MAX_SP={0x5}, @NL80211_STA_WME_MAX_SP={0x5, 0x2, 0x3f}, @NL80211_STA_WME_MAX_SP={0x5, 0x2, 0x9a}, @NL80211_STA_WME_MAX_SP={0x5, 0x2, 0xff}]}, @NL80211_ATTR_STA_TX_POWER={0x6, 0x114, 0x40}, @NL80211_ATTR_AIRTIME_WEIGHT={0x6, 0x112, 0x8}, @NL80211_ATTR_STA_SUPPORTED_OPER_CLASSES={0x95, 0xbe, "bd6282ef67758a4c6a4e14207e3827c6143cb21c037d0657934b140d621d608129135a1f8e0d0ec0859d809dcb0a4b0fdeac0078d13ac77ed91aca9e0cd4a70f314df6c889f8af432e9b0b0da12d81e8ad8a2c99a0d1d12b3bc579681bb1f821e31f2851417ddf51ea690f5ecd1de504b4984cc7948ef0c1b9d2ba8a995d5a74b00b661a4660507ebd9ad927172b585a2e"}, @NL80211_ATTR_MGMT_SUBTYPE={0x5, 0x29, 0xa}, @NL80211_ATTR_STA_AID={0x6, 0x10, 0x47}]}, 0x1ac}, 0x1, 0x0, 0x0, 0x20000001}, 0x800) 08:02:08 executing program 4: syz_open_dev$ndb(&(0x7f00000002c0), 0x0, 0x0) r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000200), r1) sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f0000000200)={0x0, 0x3000000, &(0x7f00000001c0)={&(0x7f0000000140)={0x1c, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x1c}}, 0x0) 08:02:08 executing program 1: syz_open_dev$ndb(&(0x7f00000002c0), 0x0, 0x0) r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000200), r1) sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f0000000200)={0x0, 0x0, &(0x7f00000001c0)={&(0x7f0000000140)={0x1c, r2, 0x1, 0xf000, 0x0, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x1c}}, 0x0) 08:02:08 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000200), r1) sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f0000000200)={0x0, 0x0, &(0x7f00000001c0)={&(0x7f0000000140)={0x1c, r2, 0x1, 0x34000, 0x0, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x1c}}, 0x0) 08:02:08 executing program 5: syz_open_dev$ndb(&(0x7f00000002c0), 0x0, 0x0) r0 = syz_open_dev$vcsn(&(0x7f0000000140), 0x1, 0x0) ioctl$MEDIA_IOC_REQUEST_ALLOC(r0, 0x80047c05, &(0x7f0000000180)=0xffffffffffffffff) ioctl$NBD_CLEAR_SOCK(r0, 0xab04) ioctl$AUTOFS_DEV_IOCTL_PROTOVER(r0, 0xc0189372, &(0x7f00000000c0)=ANY=[@ANYBLOB="0100000001df73188ceb0ba41c83d9d642a8e817000000", @ANYRES32=r1, @ANYBLOB="00040000000000002e2f66696c653000"]) ioctl$AUTOFS_DEV_IOCTL_REQUESTER(r2, 0xc018937b, &(0x7f0000000080)={{0x1, 0x1, 0x18, r2, {0xffffffffffffffff, 0xee01}}, './file0\x00'}) r3 = socket(0x2b, 0x80000, 0x101) ioctl$NBD_SET_SOCK(r2, 0x5421, r3) r4 = syz_open_dev$vcsn(&(0x7f0000000000), 0x4, 0x40) ioctl$NBD_CLEAR_SOCK(r4, 0xab04) 08:02:08 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000200), r1) sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f0000000200)={0x0, 0x0, &(0x7f00000001c0)={&(0x7f0000000140)={0x1c, r2, 0x1, 0x400300, 0x0, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x1c}}, 0x0) 08:02:08 executing program 0: r0 = syz_open_dev$tty20(0xc, 0x4, 0x1) ioctl$KDSKBENT(r0, 0x4b47, &(0x7f0000000000)={0x7, 0x1, 0x1000}) (async) syz_open_dev$ndb(&(0x7f00000002c0), 0x0, 0x0) r1 = syz_open_dev$vcsn(&(0x7f0000000040), 0xdeab, 0x50000) ioctl$sock_SIOCGIFINDEX_80211(0xffffffffffffffff, 0x8933, &(0x7f00000000c0)={'wlan1\x00', 0x0}) sendmsg$NL80211_CMD_NEW_STATION(r1, &(0x7f0000000340)={&(0x7f0000000080)={0x10, 0x0, 0x0, 0x40000000}, 0xc, &(0x7f0000000300)={&(0x7f0000000100)={0x1ac, 0x0, 0x200, 0x70bd2a, 0x25dfdbfc, {{}, {@val={0x8, 0x3, r2}, @val={0xc, 0x99, {0xffffffff, 0x4b}}}}, [@NL80211_ATTR_STA_EXT_CAPABILITY={0x88, 0xac, "b1b5436352ad8f4782f9c5b4cc512c63c5e9c4a13a38ebbff1e17d725ec3a4bbd989acb26879273555627d98c08e888c79e8f39111cfb4aa4c4a2ad5c6d3d0ea492468e7c2acb54acd7408c313bf45ad690830982e07ee9e594d78b1c60ed6b6e8974f1b7c66f2d375784f680645d73df0565652e4f3f7d292e50e505278c261e41aa7da"}, @NL80211_ATTR_STA_TX_POWER_SETTING={0x5, 0x113, 0x1}, @NL80211_ATTR_STA_PLINK_ACTION={0x5, 0x19, 0x1}, @NL80211_ATTR_STA_WME={0x34, 0x81, [@NL80211_STA_WME_MAX_SP={0x5, 0x2, 0xfc}, @NL80211_STA_WME_UAPSD_QUEUES={0x5, 0x1, 0x5e}, @NL80211_STA_WME_MAX_SP={0x5}, @NL80211_STA_WME_MAX_SP={0x5, 0x2, 0x3f}, @NL80211_STA_WME_MAX_SP={0x5, 0x2, 0x9a}, @NL80211_STA_WME_MAX_SP={0x5, 0x2, 0xff}]}, @NL80211_ATTR_STA_TX_POWER={0x6, 0x114, 0x40}, @NL80211_ATTR_AIRTIME_WEIGHT={0x6, 0x112, 0x8}, @NL80211_ATTR_STA_SUPPORTED_OPER_CLASSES={0x95, 0xbe, "bd6282ef67758a4c6a4e14207e3827c6143cb21c037d0657934b140d621d608129135a1f8e0d0ec0859d809dcb0a4b0fdeac0078d13ac77ed91aca9e0cd4a70f314df6c889f8af432e9b0b0da12d81e8ad8a2c99a0d1d12b3bc579681bb1f821e31f2851417ddf51ea690f5ecd1de504b4984cc7948ef0c1b9d2ba8a995d5a74b00b661a4660507ebd9ad927172b585a2e"}, @NL80211_ATTR_MGMT_SUBTYPE={0x5, 0x29, 0xa}, @NL80211_ATTR_STA_AID={0x6, 0x10, 0x47}]}, 0x1ac}, 0x1, 0x0, 0x0, 0x20000001}, 0x800) [ 1290.615984] block nbd3: not configured, cannot reconfigure [ 1290.643376] block nbd4: not configured, cannot reconfigure 08:02:08 executing program 1: syz_open_dev$ndb(&(0x7f00000002c0), 0x0, 0x0) r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000200), r1) sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f0000000200)={0x0, 0x0, &(0x7f00000001c0)={&(0x7f0000000140)={0x1c, r2, 0x1, 0x30000, 0x0, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x1c}}, 0x0) 08:02:08 executing program 4: syz_open_dev$ndb(&(0x7f00000002c0), 0x0, 0x0) r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000200), r1) sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f0000000200)={0x0, 0x4000000, &(0x7f00000001c0)={&(0x7f0000000140)={0x1c, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x1c}}, 0x0) [ 1290.684684] block nbd1: not configured, cannot reconfigure 08:02:08 executing program 2: r0 = openat$ptmx(0xffffffffffffff9c, &(0x7f0000000040), 0x0, 0x0) r1 = ioctl$TIOCGPTPEER(r0, 0x5441, 0xdbb8) (async) r2 = syz_open_dev$ttys(0xc, 0x2, 0x0) ioctl$VT_OPENQRY(r2, 0x5600, &(0x7f0000000080)) (async) r3 = syz_open_dev$ttys(0xc, 0x2, 0x1) ioctl$TCSETSW(r3, 0x5403, &(0x7f0000000540)={0x0, 0x0, 0xffffffff, 0x9, 0x0, "baf26a10e07ba77f1de09b779f3357c9c5a583"}) (async) ioctl$KDFONTOP_SET(r3, 0x4b72, &(0x7f0000000500)={0x0, 0x1, 0x1b, 0x1b, 0xd, &(0x7f0000000100)="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"}) (async) ioctl$TIOCNOTTY(r1, 0x5422) (async) ioctl$TIOCMBIC(r0, 0x5417, &(0x7f0000000000)=0x7f) (async) r4 = syz_open_dev$tty20(0xc, 0x4, 0x1) ioctl$TCSETSF(r4, 0x5404, &(0x7f0000000900)={0x0, 0x0, 0x0, 0x0, 0x0, "9750da5e3b38a0e557884e87596d6020c84d50"}) ioctl$TIOCL_UNBLANKSCREEN(r4, 0x541c, &(0x7f00000000c0)) 08:02:08 executing program 5: syz_open_dev$ndb(&(0x7f00000002c0), 0x0, 0x0) r0 = syz_open_dev$vcsn(&(0x7f0000000140), 0x1, 0x0) ioctl$MEDIA_IOC_REQUEST_ALLOC(r0, 0x80047c05, &(0x7f0000000180)=0xffffffffffffffff) ioctl$NBD_CLEAR_SOCK(r0, 0xab04) ioctl$AUTOFS_DEV_IOCTL_PROTOVER(r0, 0xc0189372, &(0x7f00000000c0)=ANY=[@ANYBLOB="0100000001df73188ceb0ba41c83d9d642a8e817000000", @ANYRES32=r1, @ANYBLOB="00040000000000002e2f66696c653000"]) ioctl$AUTOFS_DEV_IOCTL_REQUESTER(r2, 0xc018937b, &(0x7f0000000080)={{0x1, 0x1, 0x18, r2, {0xffffffffffffffff, 0xee01}}, './file0\x00'}) r3 = socket(0x2b, 0x80000, 0x101) ioctl$NBD_SET_SOCK(r2, 0x5421, r3) r4 = syz_open_dev$vcsn(&(0x7f0000000000), 0x4, 0x40) ioctl$NBD_CLEAR_SOCK(r4, 0xab04) syz_open_dev$ndb(&(0x7f00000002c0), 0x0, 0x0) (async) syz_open_dev$vcsn(&(0x7f0000000140), 0x1, 0x0) (async) ioctl$MEDIA_IOC_REQUEST_ALLOC(r0, 0x80047c05, &(0x7f0000000180)) (async) ioctl$NBD_CLEAR_SOCK(r0, 0xab04) (async) ioctl$AUTOFS_DEV_IOCTL_PROTOVER(r0, 0xc0189372, &(0x7f00000000c0)=ANY=[@ANYBLOB="0100000001df73188ceb0ba41c83d9d642a8e817000000", @ANYRES32=r1, @ANYBLOB="00040000000000002e2f66696c653000"]) (async) ioctl$AUTOFS_DEV_IOCTL_REQUESTER(r2, 0xc018937b, &(0x7f0000000080)={{0x1, 0x1, 0x18, r2, {0xffffffffffffffff, 0xee01}}, './file0\x00'}) (async) socket(0x2b, 0x80000, 0x101) (async) ioctl$NBD_SET_SOCK(r2, 0x5421, r3) (async) syz_open_dev$vcsn(&(0x7f0000000000), 0x4, 0x40) (async) ioctl$NBD_CLEAR_SOCK(r4, 0xab04) (async) 08:02:08 executing program 0: r0 = syz_open_dev$tty20(0xc, 0x4, 0x1) ioctl$KDSKBENT(r0, 0x4b47, &(0x7f0000000000)={0x7, 0x1, 0x1000}) (async) syz_open_dev$ndb(&(0x7f00000002c0), 0x0, 0x0) r1 = syz_open_dev$vcsn(&(0x7f0000000040), 0xdeab, 0x50000) (async) ioctl$sock_SIOCGIFINDEX_80211(0xffffffffffffffff, 0x8933, &(0x7f00000000c0)={'wlan1\x00', 0x0}) sendmsg$NL80211_CMD_NEW_STATION(r1, &(0x7f0000000340)={&(0x7f0000000080)={0x10, 0x0, 0x0, 0x40000000}, 0xc, &(0x7f0000000300)={&(0x7f0000000100)={0x1ac, 0x0, 0x200, 0x70bd2a, 0x25dfdbfc, {{}, {@val={0x8, 0x3, r2}, @val={0xc, 0x99, {0xffffffff, 0x4b}}}}, [@NL80211_ATTR_STA_EXT_CAPABILITY={0x88, 0xac, "b1b5436352ad8f4782f9c5b4cc512c63c5e9c4a13a38ebbff1e17d725ec3a4bbd989acb26879273555627d98c08e888c79e8f39111cfb4aa4c4a2ad5c6d3d0ea492468e7c2acb54acd7408c313bf45ad690830982e07ee9e594d78b1c60ed6b6e8974f1b7c66f2d375784f680645d73df0565652e4f3f7d292e50e505278c261e41aa7da"}, @NL80211_ATTR_STA_TX_POWER_SETTING={0x5, 0x113, 0x1}, @NL80211_ATTR_STA_PLINK_ACTION={0x5, 0x19, 0x1}, @NL80211_ATTR_STA_WME={0x34, 0x81, [@NL80211_STA_WME_MAX_SP={0x5, 0x2, 0xfc}, @NL80211_STA_WME_UAPSD_QUEUES={0x5, 0x1, 0x5e}, @NL80211_STA_WME_MAX_SP={0x5}, @NL80211_STA_WME_MAX_SP={0x5, 0x2, 0x3f}, @NL80211_STA_WME_MAX_SP={0x5, 0x2, 0x9a}, @NL80211_STA_WME_MAX_SP={0x5, 0x2, 0xff}]}, @NL80211_ATTR_STA_TX_POWER={0x6, 0x114, 0x40}, @NL80211_ATTR_AIRTIME_WEIGHT={0x6, 0x112, 0x8}, @NL80211_ATTR_STA_SUPPORTED_OPER_CLASSES={0x95, 0xbe, "bd6282ef67758a4c6a4e14207e3827c6143cb21c037d0657934b140d621d608129135a1f8e0d0ec0859d809dcb0a4b0fdeac0078d13ac77ed91aca9e0cd4a70f314df6c889f8af432e9b0b0da12d81e8ad8a2c99a0d1d12b3bc579681bb1f821e31f2851417ddf51ea690f5ecd1de504b4984cc7948ef0c1b9d2ba8a995d5a74b00b661a4660507ebd9ad927172b585a2e"}, @NL80211_ATTR_MGMT_SUBTYPE={0x5, 0x29, 0xa}, @NL80211_ATTR_STA_AID={0x6, 0x10, 0x47}]}, 0x1ac}, 0x1, 0x0, 0x0, 0x20000001}, 0x800) [ 1290.739493] block nbd3: not configured, cannot reconfigure 08:02:08 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000200), r1) sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f0000000200)={0x0, 0x0, &(0x7f00000001c0)={&(0x7f0000000140)={0x1c, r2, 0x1, 0xf0ffff, 0x0, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x1c}}, 0x0) 08:02:08 executing program 5: syz_open_dev$ndb(&(0x7f00000002c0), 0x0, 0x0) (async) r0 = syz_open_dev$vcsn(&(0x7f0000000140), 0x1, 0x0) ioctl$MEDIA_IOC_REQUEST_ALLOC(r0, 0x80047c05, &(0x7f0000000180)=0xffffffffffffffff) ioctl$NBD_CLEAR_SOCK(r0, 0xab04) (async) ioctl$AUTOFS_DEV_IOCTL_PROTOVER(r0, 0xc0189372, &(0x7f00000000c0)=ANY=[@ANYBLOB="0100000001df73188ceb0ba41c83d9d642a8e817000000", @ANYRES32=r1, @ANYBLOB="00040000000000002e2f66696c653000"]) (async) ioctl$AUTOFS_DEV_IOCTL_REQUESTER(r2, 0xc018937b, &(0x7f0000000080)={{0x1, 0x1, 0x18, r2, {0xffffffffffffffff, 0xee01}}, './file0\x00'}) (async) r3 = socket(0x2b, 0x80000, 0x101) ioctl$NBD_SET_SOCK(r2, 0x5421, r3) (async) r4 = syz_open_dev$vcsn(&(0x7f0000000000), 0x4, 0x40) ioctl$NBD_CLEAR_SOCK(r4, 0xab04) 08:02:08 executing program 1: syz_open_dev$ndb(&(0x7f00000002c0), 0x0, 0x0) r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000200), r1) sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f0000000200)={0x0, 0x0, &(0x7f00000001c0)={&(0x7f0000000140)={0x1c, r2, 0x1, 0x34000, 0x0, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x1c}}, 0x0) 08:02:08 executing program 4: syz_open_dev$ndb(&(0x7f00000002c0), 0x0, 0x0) r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000200), r1) sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f0000000200)={0x0, 0x5000000, &(0x7f00000001c0)={&(0x7f0000000140)={0x1c, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x1c}}, 0x0) 08:02:08 executing program 2: r0 = openat$ptmx(0xffffffffffffff9c, &(0x7f0000000040), 0x0, 0x0) r1 = ioctl$TIOCGPTPEER(r0, 0x5441, 0xdbb8) (async) r2 = syz_open_dev$ttys(0xc, 0x2, 0x0) ioctl$VT_OPENQRY(r2, 0x5600, &(0x7f0000000080)) r3 = syz_open_dev$ttys(0xc, 0x2, 0x1) ioctl$TCSETSW(r3, 0x5403, &(0x7f0000000540)={0x0, 0x0, 0xffffffff, 0x9, 0x0, "baf26a10e07ba77f1de09b779f3357c9c5a583"}) ioctl$KDFONTOP_SET(r3, 0x4b72, &(0x7f0000000500)={0x0, 0x1, 0x1b, 0x1b, 0xd, &(0x7f0000000100)="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"}) (async, rerun: 64) ioctl$TIOCNOTTY(r1, 0x5422) (async, rerun: 64) ioctl$TIOCMBIC(r0, 0x5417, &(0x7f0000000000)=0x7f) (async) r4 = syz_open_dev$tty20(0xc, 0x4, 0x1) ioctl$TCSETSF(r4, 0x5404, &(0x7f0000000900)={0x0, 0x0, 0x0, 0x0, 0x0, "9750da5e3b38a0e557884e87596d6020c84d50"}) ioctl$TIOCL_UNBLANKSCREEN(r4, 0x541c, &(0x7f00000000c0)) [ 1290.813229] block nbd1: not configured, cannot reconfigure [ 1290.833107] block nbd4: not configured, cannot reconfigure 08:02:08 executing program 0: r0 = syz_open_dev$ndb(&(0x7f00000002c0), 0x0, 0x0) ioctl$NBD_SET_SOCK(r0, 0x5452, 0xffffffffffffffff) ioctl$MEDIA_REQUEST_IOC_REINIT(0xffffffffffffffff, 0x7c81, 0x0) ioctl$NBD_CLEAR_QUE(r0, 0xab05) [ 1290.897705] block nbd3: not configured, cannot reconfigure 08:02:08 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000200), r1) sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f0000000200)={0x0, 0x0, &(0x7f00000001c0)={&(0x7f0000000140)={0x1c, r2, 0x1, 0x1000000, 0x0, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x1c}}, 0x0) 08:02:08 executing program 5: seccomp$SECCOMP_SET_MODE_FILTER_LISTENER(0x1, 0x8, &(0x7f0000000080)={0x9, &(0x7f0000000000)=[{0x7, 0x0, 0x72, 0x1}, {0x7, 0x83, 0x2a, 0x8001}, {0x6, 0x7, 0x1f, 0xb69}, {0x81, 0x4, 0x5, 0x1ff}, {0x400, 0x2, 0x8, 0x8}, {0x3, 0x71, 0x7f, 0x7}, {0x9, 0x6, 0x7, 0x4}, {0x7, 0x9, 0x3, 0x7f}, {0x4, 0x85, 0x0, 0x48c5}]}) syz_open_dev$ndb(&(0x7f00000002c0), 0x0, 0x0) r0 = syz_open_dev$vcsn(&(0x7f0000000140), 0x1, 0x0) ioctl$NBD_SET_SOCK(r0, 0x5421, 0xffffffffffffffff) 08:02:08 executing program 4: syz_open_dev$ndb(&(0x7f00000002c0), 0x0, 0x0) r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000200), r1) sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f0000000200)={0x0, 0x6000000, &(0x7f00000001c0)={&(0x7f0000000140)={0x1c, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x1c}}, 0x0) 08:02:08 executing program 0: syz_open_dev$ndb(&(0x7f00000002c0), 0x0, 0x0) (async) r0 = syz_open_dev$ndb(&(0x7f00000002c0), 0x0, 0x0) ioctl$NBD_SET_SOCK(r0, 0x5452, 0xffffffffffffffff) ioctl$MEDIA_REQUEST_IOC_REINIT(0xffffffffffffffff, 0x7c81, 0x0) ioctl$NBD_CLEAR_QUE(r0, 0xab05) [ 1290.942199] block nbd4: not configured, cannot reconfigure [ 1290.980833] block nbd1: not configured, cannot reconfigure 08:02:08 executing program 2: keyctl$restrict_keyring(0x1d, 0xfffffffffffffff8, &(0x7f0000000080)='ceph\x00', &(0x7f00000000c0)='#\x00') r0 = add_key$keyring(&(0x7f0000000080), &(0x7f00000000c0)={'syz', 0x0}, 0x0, 0x0, 0xffffffffffffffff) keyctl$restrict_keyring(0x1d, r0, &(0x7f0000000000)='.dead\x00', &(0x7f0000000040)='&-Q') keyctl$link(0x8, r0, r0) keyctl$unlink(0x9, 0x0, r0) r1 = openat$ptmx(0xffffffffffffff9c, &(0x7f0000000000), 0x8b00, 0x0) semget(0x0, 0x2, 0x200) r2 = ioctl$TIOCGPTPEER(r1, 0x5441, 0xdbb3) ioctl$KDGETLED(r2, 0x4b31, &(0x7f0000000040)) 08:02:08 executing program 1: syz_open_dev$ndb(&(0x7f00000002c0), 0x0, 0x0) r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000200), r1) sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f0000000200)={0x0, 0x0, &(0x7f00000001c0)={&(0x7f0000000140)={0x1c, r2, 0x1, 0x400300, 0x0, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x1c}}, 0x0) 08:02:08 executing program 5: seccomp$SECCOMP_SET_MODE_FILTER_LISTENER(0x1, 0x8, &(0x7f0000000080)={0x9, &(0x7f0000000000)=[{0x7, 0x0, 0x72, 0x1}, {0x7, 0x83, 0x2a, 0x8001}, {0x6, 0x7, 0x1f, 0xb69}, {0x81, 0x4, 0x5, 0x1ff}, {0x400, 0x2, 0x8, 0x8}, {0x3, 0x71, 0x7f, 0x7}, {0x9, 0x6, 0x7, 0x4}, {0x7, 0x9, 0x3, 0x7f}, {0x4, 0x85, 0x0, 0x48c5}]}) syz_open_dev$ndb(&(0x7f00000002c0), 0x0, 0x0) r0 = syz_open_dev$vcsn(&(0x7f0000000140), 0x1, 0x0) ioctl$NBD_SET_SOCK(r0, 0x5421, 0xffffffffffffffff) seccomp$SECCOMP_SET_MODE_FILTER_LISTENER(0x1, 0x8, &(0x7f0000000080)={0x9, &(0x7f0000000000)=[{0x7, 0x0, 0x72, 0x1}, {0x7, 0x83, 0x2a, 0x8001}, {0x6, 0x7, 0x1f, 0xb69}, {0x81, 0x4, 0x5, 0x1ff}, {0x400, 0x2, 0x8, 0x8}, {0x3, 0x71, 0x7f, 0x7}, {0x9, 0x6, 0x7, 0x4}, {0x7, 0x9, 0x3, 0x7f}, {0x4, 0x85, 0x0, 0x48c5}]}) (async) syz_open_dev$ndb(&(0x7f00000002c0), 0x0, 0x0) (async) syz_open_dev$vcsn(&(0x7f0000000140), 0x1, 0x0) (async) ioctl$NBD_SET_SOCK(r0, 0x5421, 0xffffffffffffffff) (async) 08:02:08 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000200), r1) sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f0000000200)={0x0, 0x0, &(0x7f00000001c0)={&(0x7f0000000140)={0x1c, r2, 0x1, 0x2000000, 0x0, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x1c}}, 0x0) [ 1291.051454] block nbd3: not configured, cannot reconfigure [ 1291.086671] block nbd4: not configured, cannot reconfigure 08:02:08 executing program 4: syz_open_dev$ndb(&(0x7f00000002c0), 0x0, 0x0) r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000200), r1) sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f0000000200)={0x0, 0x7000000, &(0x7f00000001c0)={&(0x7f0000000140)={0x1c, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x1c}}, 0x0) 08:02:08 executing program 0: r0 = syz_open_dev$ndb(&(0x7f00000002c0), 0x0, 0x0) ioctl$NBD_SET_SOCK(r0, 0x5452, 0xffffffffffffffff) ioctl$MEDIA_REQUEST_IOC_REINIT(0xffffffffffffffff, 0x7c81, 0x0) ioctl$NBD_CLEAR_QUE(r0, 0xab05) 08:02:08 executing program 2: keyctl$restrict_keyring(0x1d, 0xfffffffffffffff8, &(0x7f0000000080)='ceph\x00', &(0x7f00000000c0)='#\x00') (async, rerun: 64) r0 = add_key$keyring(&(0x7f0000000080), &(0x7f00000000c0)={'syz', 0x0}, 0x0, 0x0, 0xffffffffffffffff) (rerun: 64) keyctl$restrict_keyring(0x1d, r0, &(0x7f0000000000)='.dead\x00', &(0x7f0000000040)='&-Q') (async) keyctl$link(0x8, r0, r0) (async) keyctl$unlink(0x9, 0x0, r0) (async) r1 = openat$ptmx(0xffffffffffffff9c, &(0x7f0000000000), 0x8b00, 0x0) semget(0x0, 0x2, 0x200) (async) r2 = ioctl$TIOCGPTPEER(r1, 0x5441, 0xdbb3) ioctl$KDGETLED(r2, 0x4b31, &(0x7f0000000040)) [ 1291.124713] block nbd1: not configured, cannot reconfigure 08:02:08 executing program 1: syz_open_dev$ndb(&(0x7f00000002c0), 0x0, 0x0) r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000200), r1) sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f0000000200)={0x0, 0x0, &(0x7f00000001c0)={&(0x7f0000000140)={0x1c, r2, 0x1, 0xf0ffff, 0x0, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x1c}}, 0x0) 08:02:08 executing program 5: seccomp$SECCOMP_SET_MODE_FILTER_LISTENER(0x1, 0x8, &(0x7f0000000080)={0x9, &(0x7f0000000000)=[{0x7, 0x0, 0x72, 0x1}, {0x7, 0x83, 0x2a, 0x8001}, {0x6, 0x7, 0x1f, 0xb69}, {0x81, 0x4, 0x5, 0x1ff}, {0x400, 0x2, 0x8, 0x8}, {0x3, 0x71, 0x7f, 0x7}, {0x9, 0x6, 0x7, 0x4}, {0x7, 0x9, 0x3, 0x7f}, {0x4, 0x85, 0x0, 0x48c5}]}) (async) syz_open_dev$ndb(&(0x7f00000002c0), 0x0, 0x0) r0 = syz_open_dev$vcsn(&(0x7f0000000140), 0x1, 0x0) ioctl$NBD_SET_SOCK(r0, 0x5421, 0xffffffffffffffff) [ 1291.180324] block nbd3: not configured, cannot reconfigure 08:02:08 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000200), r1) sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f0000000200)={0x0, 0x0, &(0x7f00000001c0)={&(0x7f0000000140)={0x1c, r2, 0x1, 0x3000000, 0x0, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x1c}}, 0x0) 08:02:08 executing program 0: r0 = syz_open_dev$ndb(&(0x7f00000002c0), 0x0, 0x0) ioctl$NBD_CLEAR_SOCK(r0, 0xab04) ioctl$NBD_SET_SOCK(r0, 0x5452, 0xffffffffffffffff) [ 1291.243943] block nbd4: not configured, cannot reconfigure 08:02:08 executing program 2: keyctl$restrict_keyring(0x1d, 0xfffffffffffffff8, &(0x7f0000000080)='ceph\x00', &(0x7f00000000c0)='#\x00') add_key$keyring(&(0x7f0000000080), &(0x7f00000000c0)={'syz', 0x0}, 0x0, 0x0, 0xffffffffffffffff) (async) r0 = add_key$keyring(&(0x7f0000000080), &(0x7f00000000c0)={'syz', 0x0}, 0x0, 0x0, 0xffffffffffffffff) keyctl$restrict_keyring(0x1d, r0, &(0x7f0000000000)='.dead\x00', &(0x7f0000000040)='&-Q') (async) keyctl$restrict_keyring(0x1d, r0, &(0x7f0000000000)='.dead\x00', &(0x7f0000000040)='&-Q') keyctl$link(0x8, r0, r0) keyctl$unlink(0x9, 0x0, r0) r1 = openat$ptmx(0xffffffffffffff9c, &(0x7f0000000000), 0x8b00, 0x0) semget(0x0, 0x2, 0x200) (async) semget(0x0, 0x2, 0x200) r2 = ioctl$TIOCGPTPEER(r1, 0x5441, 0xdbb3) ioctl$KDGETLED(r2, 0x4b31, &(0x7f0000000040)) 08:02:08 executing program 4: syz_open_dev$ndb(&(0x7f00000002c0), 0x0, 0x0) r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000200), r1) sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f0000000200)={0x0, 0xf000000, &(0x7f00000001c0)={&(0x7f0000000140)={0x1c, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x1c}}, 0x0) 08:02:08 executing program 5: r0 = syz_open_dev$ndb(&(0x7f00000002c0), 0x0, 0x0) ioctl$NBD_CLEAR_SOCK(r0, 0xab04) r1 = syz_open_dev$vcsn(&(0x7f0000000000), 0x0, 0x80680) r2 = open(&(0x7f0000000080)='./file0\x00', 0xe00, 0x110) setxattr$trusted_overlay_upper(&(0x7f0000000280)='./file0\x00', &(0x7f0000000300), &(0x7f0000000340)={0x0, 0xfb, 0x98, 0x2, 0x3f, "f6a845b16e8e79839736267f8e8b63ad", "815e1b07997f60efd8e6074773784d9c079f70f2d26e32b27bc1effdd21fa76a802a84e7bf2c7e05436c1bba1df817d285d45101cf0a2935e935e703650fe541909ea3f20bfaa26775f2bb89905ca2d4f197b58c1fa91d39f7af9145cfc493e8d3829227ba80c56a9b9e1bc1bf5e9b3b6d17b0fd1b283924dbd3ced76429965908dc0b"}, 0x98, 0x0) sendmsg$NL80211_CMD_SET_WIPHY_NETNS(r1, &(0x7f00000001c0)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x1000}, 0xc, &(0x7f0000000140)={&(0x7f00000000c0)=ANY=[@ANYBLOB='\x00\x00\x00\x00', @ANYRES16=0x0, @ANYBLOB="00082cbd7000fddbdf2531000000080001000000000008000300", @ANYRES32=0x0, @ANYBLOB="0c009900010000003800000008000100330000000800db00", @ANYRES32=r2, @ANYBLOB="080001001500000008000300", @ANYRES32=0x0, @ANYBLOB="0800010034000000080001007e0000000c009900040000007a0000000c0099000500000011000000"], 0x78}, 0x1, 0x0, 0x0, 0x800}, 0x4) sendmsg$RDMA_NLDEV_CMD_RES_MR_GET(r2, &(0x7f00000004c0)={&(0x7f0000000400)={0x10, 0x0, 0x0, 0x40000000}, 0xc, &(0x7f0000000480)={&(0x7f0000000440)={0x30, 0x140d, 0x8, 0x70bd2a, 0x25dfdbff, "", [@RDMA_NLDEV_ATTR_RES_MRN={0x8, 0x3e, 0x2}, @RDMA_NLDEV_ATTR_DEV_INDEX={0x8, 0x1, 0x2}, @RDMA_NLDEV_ATTR_PORT_INDEX={0x8, 0x3, 0x1}, @RDMA_NLDEV_ATTR_RES_MRN={0x8, 0x3e, 0x2}]}, 0x30}, 0x1, 0x0, 0x0, 0x20008004}, 0x8001) r3 = syz_open_dev$tty20(0xc, 0x4, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000240)={0xffffffffffffffff}) ioctl$AUTOFS_DEV_IOCTL_REQUESTER(r2, 0xc018937b, &(0x7f0000000500)={{0x1, 0x1, 0x18, r3, {0x0, 0xee01}}, './file1\x00'}) ioctl$TUNGETVNETLE(r5, 0x800454dd, &(0x7f0000000540)) ioctl$NBD_SET_SOCK(r0, 0xab00, r4) ioctl$TIOCL_BLANKSCREEN(r3, 0x541c, &(0x7f0000000180)) openat$ptmx(0xffffffffffffff9c, &(0x7f0000000200), 0x4301, 0x0) ioctl$NBD_SET_SOCK(r0, 0x5421, 0xffffffffffffffff) 08:02:08 executing program 1: syz_open_dev$ndb(&(0x7f00000002c0), 0x0, 0x0) r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000200), r1) sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f0000000200)={0x0, 0x0, &(0x7f00000001c0)={&(0x7f0000000140)={0x1c, r2, 0x1, 0x1000000, 0x0, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x1c}}, 0x0) [ 1291.291540] block nbd1: not configured, cannot reconfigure 08:02:08 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000200), r1) sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f0000000200)={0x0, 0x0, &(0x7f00000001c0)={&(0x7f0000000140)={0x1c, r2, 0x1, 0x4000000, 0x0, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x1c}}, 0x0) [ 1291.350020] block nbd3: not configured, cannot reconfigure 08:02:08 executing program 0: r0 = syz_open_dev$ndb(&(0x7f00000002c0), 0x0, 0x0) ioctl$NBD_CLEAR_SOCK(r0, 0xab04) (async, rerun: 32) ioctl$NBD_SET_SOCK(r0, 0x5452, 0xffffffffffffffff) (rerun: 32) 08:02:08 executing program 2: r0 = socket$nl_rdma(0x10, 0x3, 0x14) ioctl$AUTOFS_DEV_IOCTL_PROTOVER(0xffffffffffffffff, 0xc0189372, &(0x7f0000000000)={{0x1, 0x1, 0x18, r0, {0x7f}}, './file0\x00'}) socket$nl_rdma(0x10, 0x3, 0x14) r1 = openat$ptmx(0xffffffffffffff9c, &(0x7f0000000040), 0x0, 0x0) ioctl$TIOCGPTPEER(r1, 0x5441, 0xdbb8) 08:02:09 executing program 4: syz_open_dev$ndb(&(0x7f00000002c0), 0x0, 0x0) r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000200), r1) sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f0000000200)={0x0, 0x20000000, &(0x7f00000001c0)={&(0x7f0000000140)={0x1c, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x1c}}, 0x0) [ 1291.403508] block nbd4: not configured, cannot reconfigure [ 1291.422343] block nbd1: not configured, cannot reconfigure 08:02:09 executing program 1: syz_open_dev$ndb(&(0x7f00000002c0), 0x0, 0x0) r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000200), r1) sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f0000000200)={0x0, 0x0, &(0x7f00000001c0)={&(0x7f0000000140)={0x1c, r2, 0x1, 0x2000000, 0x0, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x1c}}, 0x0) 08:02:09 executing program 5: r0 = syz_open_dev$ndb(&(0x7f00000002c0), 0x0, 0x0) ioctl$NBD_CLEAR_SOCK(r0, 0xab04) r1 = syz_open_dev$vcsn(&(0x7f0000000000), 0x0, 0x80680) r2 = open(&(0x7f0000000080)='./file0\x00', 0xe00, 0x110) setxattr$trusted_overlay_upper(&(0x7f0000000280)='./file0\x00', &(0x7f0000000300), &(0x7f0000000340)={0x0, 0xfb, 0x98, 0x2, 0x3f, "f6a845b16e8e79839736267f8e8b63ad", "815e1b07997f60efd8e6074773784d9c079f70f2d26e32b27bc1effdd21fa76a802a84e7bf2c7e05436c1bba1df817d285d45101cf0a2935e935e703650fe541909ea3f20bfaa26775f2bb89905ca2d4f197b58c1fa91d39f7af9145cfc493e8d3829227ba80c56a9b9e1bc1bf5e9b3b6d17b0fd1b283924dbd3ced76429965908dc0b"}, 0x98, 0x0) sendmsg$NL80211_CMD_SET_WIPHY_NETNS(r1, &(0x7f00000001c0)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x1000}, 0xc, &(0x7f0000000140)={&(0x7f00000000c0)=ANY=[@ANYBLOB='\x00\x00\x00\x00', @ANYRES16=0x0, @ANYBLOB="00082cbd7000fddbdf2531000000080001000000000008000300", @ANYRES32=0x0, @ANYBLOB="0c009900010000003800000008000100330000000800db00", @ANYRES32=r2, @ANYBLOB="080001001500000008000300", @ANYRES32=0x0, @ANYBLOB="0800010034000000080001007e0000000c009900040000007a0000000c0099000500000011000000"], 0x78}, 0x1, 0x0, 0x0, 0x800}, 0x4) sendmsg$RDMA_NLDEV_CMD_RES_MR_GET(r2, &(0x7f00000004c0)={&(0x7f0000000400)={0x10, 0x0, 0x0, 0x40000000}, 0xc, &(0x7f0000000480)={&(0x7f0000000440)={0x30, 0x140d, 0x8, 0x70bd2a, 0x25dfdbff, "", [@RDMA_NLDEV_ATTR_RES_MRN={0x8, 0x3e, 0x2}, @RDMA_NLDEV_ATTR_DEV_INDEX={0x8, 0x1, 0x2}, @RDMA_NLDEV_ATTR_PORT_INDEX={0x8, 0x3, 0x1}, @RDMA_NLDEV_ATTR_RES_MRN={0x8, 0x3e, 0x2}]}, 0x30}, 0x1, 0x0, 0x0, 0x20008004}, 0x8001) (async) sendmsg$RDMA_NLDEV_CMD_RES_MR_GET(r2, &(0x7f00000004c0)={&(0x7f0000000400)={0x10, 0x0, 0x0, 0x40000000}, 0xc, &(0x7f0000000480)={&(0x7f0000000440)={0x30, 0x140d, 0x8, 0x70bd2a, 0x25dfdbff, "", [@RDMA_NLDEV_ATTR_RES_MRN={0x8, 0x3e, 0x2}, @RDMA_NLDEV_ATTR_DEV_INDEX={0x8, 0x1, 0x2}, @RDMA_NLDEV_ATTR_PORT_INDEX={0x8, 0x3, 0x1}, @RDMA_NLDEV_ATTR_RES_MRN={0x8, 0x3e, 0x2}]}, 0x30}, 0x1, 0x0, 0x0, 0x20008004}, 0x8001) syz_open_dev$tty20(0xc, 0x4, 0x0) (async) r3 = syz_open_dev$tty20(0xc, 0x4, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000240)={0xffffffffffffffff}) ioctl$AUTOFS_DEV_IOCTL_REQUESTER(r2, 0xc018937b, &(0x7f0000000500)={{0x1, 0x1, 0x18, r3, {0x0, 0xee01}}, './file1\x00'}) (async) ioctl$AUTOFS_DEV_IOCTL_REQUESTER(r2, 0xc018937b, &(0x7f0000000500)={{0x1, 0x1, 0x18, r3, {0x0, 0xee01}}, './file1\x00'}) ioctl$TUNGETVNETLE(r5, 0x800454dd, &(0x7f0000000540)) (async) ioctl$TUNGETVNETLE(r5, 0x800454dd, &(0x7f0000000540)) ioctl$NBD_SET_SOCK(r0, 0xab00, r4) ioctl$TIOCL_BLANKSCREEN(r3, 0x541c, &(0x7f0000000180)) openat$ptmx(0xffffffffffffff9c, &(0x7f0000000200), 0x4301, 0x0) ioctl$NBD_SET_SOCK(r0, 0x5421, 0xffffffffffffffff) (async) ioctl$NBD_SET_SOCK(r0, 0x5421, 0xffffffffffffffff) 08:02:09 executing program 0: r0 = syz_open_dev$ndb(&(0x7f00000002c0), 0x0, 0x0) ioctl$NBD_CLEAR_SOCK(r0, 0xab04) (async) ioctl$NBD_SET_SOCK(r0, 0x5452, 0xffffffffffffffff) [ 1291.468555] block nbd5: shutting down sockets [ 1291.472745] block nbd3: not configured, cannot reconfigure 08:02:09 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000200), r1) sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f0000000200)={0x0, 0x0, &(0x7f00000001c0)={&(0x7f0000000140)={0x1c, r2, 0x1, 0x5000000, 0x0, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x1c}}, 0x0) 08:02:09 executing program 2: r0 = socket$nl_rdma(0x10, 0x3, 0x14) ioctl$AUTOFS_DEV_IOCTL_PROTOVER(0xffffffffffffffff, 0xc0189372, &(0x7f0000000000)={{0x1, 0x1, 0x18, r0, {0x7f}}, './file0\x00'}) socket$nl_rdma(0x10, 0x3, 0x14) r1 = openat$ptmx(0xffffffffffffff9c, &(0x7f0000000040), 0x0, 0x0) ioctl$TIOCGPTPEER(r1, 0x5441, 0xdbb8) socket$nl_rdma(0x10, 0x3, 0x14) (async) ioctl$AUTOFS_DEV_IOCTL_PROTOVER(0xffffffffffffffff, 0xc0189372, &(0x7f0000000000)={{0x1, 0x1, 0x18, r0, {0x7f}}, './file0\x00'}) (async) socket$nl_rdma(0x10, 0x3, 0x14) (async) openat$ptmx(0xffffffffffffff9c, &(0x7f0000000040), 0x0, 0x0) (async) ioctl$TIOCGPTPEER(r1, 0x5441, 0xdbb8) (async) 08:02:09 executing program 4: syz_open_dev$ndb(&(0x7f00000002c0), 0x0, 0x0) r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000200), r1) sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f0000000200)={0x0, 0x48000000, &(0x7f00000001c0)={&(0x7f0000000140)={0x1c, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x1c}}, 0x0) [ 1291.552762] block nbd4: not configured, cannot reconfigure [ 1291.574559] block nbd1: not configured, cannot reconfigure 08:02:09 executing program 0: r0 = syz_open_dev$ndb(&(0x7f00000002c0), 0x0, 0x0) ioctl$NBD_SET_SOCK(r0, 0x5452, 0xffffffffffffffff) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r4 = syz_genetlink_get_family_id$nbd(&(0x7f0000000200), r3) sendmsg$NBD_CMD_DISCONNECT(r2, &(0x7f00000004c0)={&(0x7f00000003c0), 0xc, &(0x7f0000000480)={&(0x7f0000000400)={0x28, r4, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_BLOCK_SIZE_BYTES={0xc}, @NBD_ATTR_BACKEND_IDENTIFIER={0x5, 0xa, '^'}]}, 0x28}}, 0x0) r5 = syz_open_dev$vcsn(&(0x7f0000000040), 0x1, 0x100) sendmsg$NBD_CMD_STATUS(r1, &(0x7f0000000140)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x4000000}, 0xc, &(0x7f0000000100)={&(0x7f0000000080)={0x68, r4, 0x10, 0x70bd2b, 0x25dfdbfe, {}, [@NBD_ATTR_BACKEND_IDENTIFIER={0xe, 0xa, '/dev/nbd#\x00'}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x56}, @NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8, 0x1, r5}, {0x8}]}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0xfffffffffffffffb}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x3}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}]}, 0x68}, 0x1, 0x0, 0x0, 0x44000}, 0x24044004) 08:02:09 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000200), r1) sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f0000000200)={0x0, 0x0, &(0x7f00000001c0)={&(0x7f0000000140)={0x1c, r2, 0x1, 0x6000000, 0x0, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x1c}}, 0x0) 08:02:09 executing program 1: syz_open_dev$ndb(&(0x7f00000002c0), 0x0, 0x0) r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000200), r1) sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f0000000200)={0x0, 0x0, &(0x7f00000001c0)={&(0x7f0000000140)={0x1c, r2, 0x1, 0x3000000, 0x0, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x1c}}, 0x0) [ 1291.622743] block nbd3: not configured, cannot reconfigure [ 1291.639132] block nbd5: shutting down sockets 08:02:09 executing program 5: r0 = syz_open_dev$ndb(&(0x7f00000002c0), 0x0, 0x0) ioctl$NBD_CLEAR_SOCK(r0, 0xab04) r1 = syz_open_dev$vcsn(&(0x7f0000000000), 0x0, 0x80680) open(&(0x7f0000000080)='./file0\x00', 0xe00, 0x110) (async) r2 = open(&(0x7f0000000080)='./file0\x00', 0xe00, 0x110) setxattr$trusted_overlay_upper(&(0x7f0000000280)='./file0\x00', &(0x7f0000000300), &(0x7f0000000340)={0x0, 0xfb, 0x98, 0x2, 0x3f, "f6a845b16e8e79839736267f8e8b63ad", "815e1b07997f60efd8e6074773784d9c079f70f2d26e32b27bc1effdd21fa76a802a84e7bf2c7e05436c1bba1df817d285d45101cf0a2935e935e703650fe541909ea3f20bfaa26775f2bb89905ca2d4f197b58c1fa91d39f7af9145cfc493e8d3829227ba80c56a9b9e1bc1bf5e9b3b6d17b0fd1b283924dbd3ced76429965908dc0b"}, 0x98, 0x0) sendmsg$NL80211_CMD_SET_WIPHY_NETNS(r1, &(0x7f00000001c0)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x1000}, 0xc, &(0x7f0000000140)={&(0x7f00000000c0)=ANY=[@ANYBLOB='\x00\x00\x00\x00', @ANYRES16=0x0, @ANYBLOB="00082cbd7000fddbdf2531000000080001000000000008000300", @ANYRES32=0x0, @ANYBLOB="0c009900010000003800000008000100330000000800db00", @ANYRES32=r2, @ANYBLOB="080001001500000008000300", @ANYRES32=0x0, @ANYBLOB="0800010034000000080001007e0000000c009900040000007a0000000c0099000500000011000000"], 0x78}, 0x1, 0x0, 0x0, 0x800}, 0x4) sendmsg$RDMA_NLDEV_CMD_RES_MR_GET(r2, &(0x7f00000004c0)={&(0x7f0000000400)={0x10, 0x0, 0x0, 0x40000000}, 0xc, &(0x7f0000000480)={&(0x7f0000000440)={0x30, 0x140d, 0x8, 0x70bd2a, 0x25dfdbff, "", [@RDMA_NLDEV_ATTR_RES_MRN={0x8, 0x3e, 0x2}, @RDMA_NLDEV_ATTR_DEV_INDEX={0x8, 0x1, 0x2}, @RDMA_NLDEV_ATTR_PORT_INDEX={0x8, 0x3, 0x1}, @RDMA_NLDEV_ATTR_RES_MRN={0x8, 0x3e, 0x2}]}, 0x30}, 0x1, 0x0, 0x0, 0x20008004}, 0x8001) r3 = syz_open_dev$tty20(0xc, 0x4, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000240)={0xffffffffffffffff}) ioctl$AUTOFS_DEV_IOCTL_REQUESTER(r2, 0xc018937b, &(0x7f0000000500)={{0x1, 0x1, 0x18, r3, {0x0, 0xee01}}, './file1\x00'}) (async) ioctl$AUTOFS_DEV_IOCTL_REQUESTER(r2, 0xc018937b, &(0x7f0000000500)={{0x1, 0x1, 0x18, r3, {0x0, 0xee01}}, './file1\x00'}) ioctl$TUNGETVNETLE(r5, 0x800454dd, &(0x7f0000000540)) (async) ioctl$TUNGETVNETLE(r5, 0x800454dd, &(0x7f0000000540)) ioctl$NBD_SET_SOCK(r0, 0xab00, r4) (async) ioctl$NBD_SET_SOCK(r0, 0xab00, r4) ioctl$TIOCL_BLANKSCREEN(r3, 0x541c, &(0x7f0000000180)) openat$ptmx(0xffffffffffffff9c, &(0x7f0000000200), 0x4301, 0x0) ioctl$NBD_SET_SOCK(r0, 0x5421, 0xffffffffffffffff) (async) ioctl$NBD_SET_SOCK(r0, 0x5421, 0xffffffffffffffff) 08:02:09 executing program 2: r0 = socket$nl_rdma(0x10, 0x3, 0x14) ioctl$AUTOFS_DEV_IOCTL_PROTOVER(0xffffffffffffffff, 0xc0189372, &(0x7f0000000000)={{0x1, 0x1, 0x18, r0, {0x7f}}, './file0\x00'}) (async) socket$nl_rdma(0x10, 0x3, 0x14) r1 = openat$ptmx(0xffffffffffffff9c, &(0x7f0000000040), 0x0, 0x0) ioctl$TIOCGPTPEER(r1, 0x5441, 0xdbb8) 08:02:09 executing program 4: syz_open_dev$ndb(&(0x7f00000002c0), 0x0, 0x0) r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000200), r1) sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f0000000200)={0x0, 0x4c000000, &(0x7f00000001c0)={&(0x7f0000000140)={0x1c, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x1c}}, 0x0) [ 1291.673484] block nbd4: not configured, cannot reconfigure [ 1291.713659] nbd: must specify an index to disconnect 08:02:09 executing program 0: r0 = syz_open_dev$ndb(&(0x7f00000002c0), 0x0, 0x0) ioctl$NBD_SET_SOCK(r0, 0x5452, 0xffffffffffffffff) (async) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r4 = syz_genetlink_get_family_id$nbd(&(0x7f0000000200), r3) sendmsg$NBD_CMD_DISCONNECT(r2, &(0x7f00000004c0)={&(0x7f00000003c0), 0xc, &(0x7f0000000480)={&(0x7f0000000400)={0x28, r4, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_BLOCK_SIZE_BYTES={0xc}, @NBD_ATTR_BACKEND_IDENTIFIER={0x5, 0xa, '^'}]}, 0x28}}, 0x0) r5 = syz_open_dev$vcsn(&(0x7f0000000040), 0x1, 0x100) sendmsg$NBD_CMD_STATUS(r1, &(0x7f0000000140)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x4000000}, 0xc, &(0x7f0000000100)={&(0x7f0000000080)={0x68, r4, 0x10, 0x70bd2b, 0x25dfdbfe, {}, [@NBD_ATTR_BACKEND_IDENTIFIER={0xe, 0xa, '/dev/nbd#\x00'}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x56}, @NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8, 0x1, r5}, {0x8}]}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0xfffffffffffffffb}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x3}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}]}, 0x68}, 0x1, 0x0, 0x0, 0x44000}, 0x24044004) 08:02:09 executing program 2: r0 = openat$ptmx(0xffffffffffffff9c, &(0x7f0000000040), 0xc0740, 0x0) ioctl$TIOCGPTPEER(r0, 0x5441, 0xdbb8) 08:02:09 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000200), r1) sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f0000000200)={0x0, 0x0, &(0x7f00000001c0)={&(0x7f0000000140)={0x1c, r2, 0x1, 0x7000000, 0x0, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x1c}}, 0x0) [ 1291.748814] block nbd3: not configured, cannot reconfigure [ 1291.770614] block nbd1: not configured, cannot reconfigure 08:02:09 executing program 1: syz_open_dev$ndb(&(0x7f00000002c0), 0x0, 0x0) r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000200), r1) sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f0000000200)={0x0, 0x0, &(0x7f00000001c0)={&(0x7f0000000140)={0x1c, r2, 0x1, 0x4000000, 0x0, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x1c}}, 0x0) 08:02:09 executing program 4: syz_open_dev$ndb(&(0x7f00000002c0), 0x0, 0x0) r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000200), r1) sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f0000000200)={0x0, 0x60000000, &(0x7f00000001c0)={&(0x7f0000000140)={0x1c, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x1c}}, 0x0) 08:02:09 executing program 5: r0 = syz_open_dev$ndb(&(0x7f0000000080), 0x0, 0x309203) ioctl$AUTOFS_DEV_IOCTL_REQUESTER(0xffffffffffffffff, 0xc018937b, &(0x7f0000000000)={{0x1, 0x1, 0x18, r0, {0x0, 0xffffffffffffffff}}, './file0\x00'}) ioctl$TUNDETACHFILTER(r1, 0x401054d6, 0x0) [ 1291.824558] block nbd4: not configured, cannot reconfigure [ 1291.846846] block nbd5: Device being setup by another task [ 1291.855906] block nbd5: shutting down sockets [ 1291.866595] nbd: must specify an index to disconnect 08:02:09 executing program 0: r0 = syz_open_dev$ndb(&(0x7f00000002c0), 0x0, 0x0) ioctl$NBD_SET_SOCK(r0, 0x5452, 0xffffffffffffffff) (async) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r4 = syz_genetlink_get_family_id$nbd(&(0x7f0000000200), r3) sendmsg$NBD_CMD_DISCONNECT(r2, &(0x7f00000004c0)={&(0x7f00000003c0), 0xc, &(0x7f0000000480)={&(0x7f0000000400)={0x28, r4, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_BLOCK_SIZE_BYTES={0xc}, @NBD_ATTR_BACKEND_IDENTIFIER={0x5, 0xa, '^'}]}, 0x28}}, 0x0) (async) r5 = syz_open_dev$vcsn(&(0x7f0000000040), 0x1, 0x100) sendmsg$NBD_CMD_STATUS(r1, &(0x7f0000000140)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x4000000}, 0xc, &(0x7f0000000100)={&(0x7f0000000080)={0x68, r4, 0x10, 0x70bd2b, 0x25dfdbfe, {}, [@NBD_ATTR_BACKEND_IDENTIFIER={0xe, 0xa, '/dev/nbd#\x00'}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x56}, @NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8, 0x1, r5}, {0x8}]}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0xfffffffffffffffb}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x3}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}]}, 0x68}, 0x1, 0x0, 0x0, 0x44000}, 0x24044004) 08:02:09 executing program 2: r0 = openat$ptmx(0xffffffffffffff9c, &(0x7f0000000040), 0xc0740, 0x0) ioctl$TIOCGPTPEER(r0, 0x5441, 0xdbb8) openat$ptmx(0xffffffffffffff9c, &(0x7f0000000040), 0xc0740, 0x0) (async) ioctl$TIOCGPTPEER(r0, 0x5441, 0xdbb8) (async) [ 1291.918975] block nbd3: not configured, cannot reconfigure [ 1291.935439] block nbd1: not configured, cannot reconfigure 08:02:09 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000200), r1) sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f0000000200)={0x0, 0x0, &(0x7f00000001c0)={&(0x7f0000000140)={0x1c, r2, 0x1, 0x8000000, 0x0, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x1c}}, 0x0) 08:02:09 executing program 1: syz_open_dev$ndb(&(0x7f00000002c0), 0x0, 0x0) r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000200), r1) sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f0000000200)={0x0, 0x0, &(0x7f00000001c0)={&(0x7f0000000140)={0x1c, r2, 0x1, 0x5000000, 0x0, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x1c}}, 0x0) 08:02:09 executing program 5: r0 = syz_open_dev$ndb(&(0x7f0000000080), 0x0, 0x309203) ioctl$AUTOFS_DEV_IOCTL_REQUESTER(0xffffffffffffffff, 0xc018937b, &(0x7f0000000000)={{0x1, 0x1, 0x18, r0, {0x0, 0xffffffffffffffff}}, './file0\x00'}) ioctl$TUNDETACHFILTER(r1, 0x401054d6, 0x0) 08:02:09 executing program 4: syz_open_dev$ndb(&(0x7f00000002c0), 0x0, 0x0) r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000200), r1) sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f0000000200)={0x0, 0x68000000, &(0x7f00000001c0)={&(0x7f0000000140)={0x1c, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x1c}}, 0x0) [ 1291.960661] block nbd4: not configured, cannot reconfigure [ 1291.995408] nbd: must specify an index to disconnect 08:02:09 executing program 0: r0 = syz_open_dev$ndb(&(0x7f00000002c0), 0x0, 0x0) ioctl$NBD_SET_SOCK(r0, 0x5452, 0xffffffffffffffff) r1 = syz_init_net_socket$nl_rdma(0x10, 0x3, 0x10) sendmsg$BATADV_CMD_TP_METER_CANCEL(r1, &(0x7f0000001900)={&(0x7f0000001800), 0xc, 0x0}, 0x0) ioctl$ifreq_SIOCGIFINDEX_batadv_hard(r1, 0x8933, &(0x7f0000000000)={'batadv_slave_1\x00'}) r2 = syz_open_dev$vcsn(&(0x7f0000000140), 0x1, 0x0) ioctl$MEDIA_IOC_REQUEST_ALLOC(r2, 0x80047c05, &(0x7f0000000180)) sendmsg$NL80211_CMD_CRIT_PROTOCOL_START(r2, &(0x7f0000000140)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x8000}, 0xc, &(0x7f0000000100)={&(0x7f0000000080)={0x5c, 0x0, 0x883ae3f7efde4e9b, 0x70bd27, 0x25dfdbff, {{}, {@void, @void}}, [@NL80211_ATTR_CRIT_PROT_ID={0x6}, @NL80211_ATTR_CRIT_PROT_ID={0x6}, @NL80211_ATTR_CRIT_PROT_ID={0x6}, @NL80211_ATTR_CRIT_PROT_ID={0x6, 0xb3, 0x2}, @NL80211_ATTR_CRIT_PROT_ID={0x6}, @NL80211_ATTR_MAX_CRIT_PROT_DURATION={0x6, 0xb4, 0x131b}, @NL80211_ATTR_CRIT_PROT_ID={0x6, 0xb3, 0x2}, @NL80211_ATTR_MAX_CRIT_PROT_DURATION={0x6, 0xb4, 0xd63}, @NL80211_ATTR_CRIT_PROT_ID={0x6}]}, 0x5c}, 0x1, 0x0, 0x0, 0x4}, 0x20000091) 08:02:09 executing program 2: openat$ptmx(0xffffffffffffff9c, &(0x7f0000000040), 0xc0740, 0x0) (async) r0 = openat$ptmx(0xffffffffffffff9c, &(0x7f0000000040), 0xc0740, 0x0) ioctl$TIOCGPTPEER(r0, 0x5441, 0xdbb8) 08:02:09 executing program 1: syz_open_dev$ndb(&(0x7f00000002c0), 0x0, 0x0) r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000200), r1) sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f0000000200)={0x0, 0x0, &(0x7f00000001c0)={&(0x7f0000000140)={0x1c, r2, 0x1, 0x6000000, 0x0, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x1c}}, 0x0) [ 1292.080881] block nbd1: not configured, cannot reconfigure [ 1292.101669] block nbd3: not configured, cannot reconfigure 08:02:09 executing program 5: r0 = syz_open_dev$ndb(&(0x7f0000000080), 0x0, 0x309203) ioctl$AUTOFS_DEV_IOCTL_REQUESTER(0xffffffffffffffff, 0xc018937b, &(0x7f0000000000)={{0x1, 0x1, 0x18, r0, {0x0, 0xffffffffffffffff}}, './file0\x00'}) ioctl$TUNDETACHFILTER(r1, 0x401054d6, 0x0) 08:02:09 executing program 0: r0 = syz_open_dev$ndb(&(0x7f00000002c0), 0x0, 0x0) ioctl$NBD_SET_SOCK(r0, 0x5452, 0xffffffffffffffff) r1 = syz_init_net_socket$nl_rdma(0x10, 0x3, 0x10) sendmsg$BATADV_CMD_TP_METER_CANCEL(r1, &(0x7f0000001900)={&(0x7f0000001800), 0xc, 0x0}, 0x0) (async) sendmsg$BATADV_CMD_TP_METER_CANCEL(r1, &(0x7f0000001900)={&(0x7f0000001800), 0xc, 0x0}, 0x0) ioctl$ifreq_SIOCGIFINDEX_batadv_hard(r1, 0x8933, &(0x7f0000000000)={'batadv_slave_1\x00'}) syz_open_dev$vcsn(&(0x7f0000000140), 0x1, 0x0) (async) r2 = syz_open_dev$vcsn(&(0x7f0000000140), 0x1, 0x0) ioctl$MEDIA_IOC_REQUEST_ALLOC(r2, 0x80047c05, &(0x7f0000000180)) sendmsg$NL80211_CMD_CRIT_PROTOCOL_START(r2, &(0x7f0000000140)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x8000}, 0xc, &(0x7f0000000100)={&(0x7f0000000080)={0x5c, 0x0, 0x883ae3f7efde4e9b, 0x70bd27, 0x25dfdbff, {{}, {@void, @void}}, [@NL80211_ATTR_CRIT_PROT_ID={0x6}, @NL80211_ATTR_CRIT_PROT_ID={0x6}, @NL80211_ATTR_CRIT_PROT_ID={0x6}, @NL80211_ATTR_CRIT_PROT_ID={0x6, 0xb3, 0x2}, @NL80211_ATTR_CRIT_PROT_ID={0x6}, @NL80211_ATTR_MAX_CRIT_PROT_DURATION={0x6, 0xb4, 0x131b}, @NL80211_ATTR_CRIT_PROT_ID={0x6, 0xb3, 0x2}, @NL80211_ATTR_MAX_CRIT_PROT_DURATION={0x6, 0xb4, 0xd63}, @NL80211_ATTR_CRIT_PROT_ID={0x6}]}, 0x5c}, 0x1, 0x0, 0x0, 0x4}, 0x20000091) 08:02:09 executing program 4: syz_open_dev$ndb(&(0x7f00000002c0), 0x0, 0x0) r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000200), r1) sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f0000000200)={0x0, 0x6c000000, &(0x7f00000001c0)={&(0x7f0000000140)={0x1c, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x1c}}, 0x0) [ 1292.130056] block nbd4: not configured, cannot reconfigure 08:02:09 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000200), r1) sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f0000000200)={0x0, 0x0, &(0x7f00000001c0)={&(0x7f0000000140)={0x1c, r2, 0x1, 0xf000000, 0x0, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x1c}}, 0x0) 08:02:09 executing program 2: r0 = openat$ptmx(0xffffffffffffff9c, &(0x7f0000000040), 0x0, 0x0) ioctl$TIOCGPTPEER(r0, 0x5441, 0x7) r1 = syz_open_dev$tty20(0xc, 0x4, 0x1) ioctl$TCSETSF(r1, 0x5404, &(0x7f0000000900)={0x0, 0x0, 0x0, 0x0, 0x0, "9750da5e3b38a0e557884e87596d6020c84d50"}) ioctl$TIOCOUTQ(r1, 0x5411, &(0x7f0000000000)) ioctl$TIOCMBIC(r1, 0x5417, &(0x7f00000000c0)=0xfffffff7) ioctl$KDDISABIO(0xffffffffffffffff, 0x4b37) openat$ptmx(0xffffffffffffff9c, &(0x7f0000000080), 0x0, 0x0) 08:02:09 executing program 5: r0 = syz_open_dev$ndb(&(0x7f00000002c0), 0x0, 0x0) r1 = syz_open_dev$vcsn(&(0x7f0000000140), 0x1, 0x0) ioctl$MEDIA_IOC_REQUEST_ALLOC(r1, 0x80047c05, &(0x7f0000000180)) ioctl$MEDIA_REQUEST_IOC_QUEUE(0xffffffffffffffff, 0x7c80, 0x0) ioctl$NBD_CLEAR_QUE(r1, 0xab05) ioctl$NBD_SET_SOCK(r0, 0x5421, 0xffffffffffffffff) ioctl$NBD_SET_BLKSIZE(r0, 0xab01, 0x3) [ 1292.204554] block nbd1: not configured, cannot reconfigure 08:02:09 executing program 1: syz_open_dev$ndb(&(0x7f00000002c0), 0x0, 0x0) r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000200), r1) sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f0000000200)={0x0, 0x0, &(0x7f00000001c0)={&(0x7f0000000140)={0x1c, r2, 0x1, 0x7000000, 0x0, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x1c}}, 0x0) 08:02:09 executing program 0: r0 = syz_open_dev$ndb(&(0x7f00000002c0), 0x0, 0x0) ioctl$NBD_SET_SOCK(r0, 0x5452, 0xffffffffffffffff) syz_init_net_socket$nl_rdma(0x10, 0x3, 0x10) (async) r1 = syz_init_net_socket$nl_rdma(0x10, 0x3, 0x10) sendmsg$BATADV_CMD_TP_METER_CANCEL(r1, &(0x7f0000001900)={&(0x7f0000001800), 0xc, 0x0}, 0x0) (async) sendmsg$BATADV_CMD_TP_METER_CANCEL(r1, &(0x7f0000001900)={&(0x7f0000001800), 0xc, 0x0}, 0x0) ioctl$ifreq_SIOCGIFINDEX_batadv_hard(r1, 0x8933, &(0x7f0000000000)={'batadv_slave_1\x00'}) r2 = syz_open_dev$vcsn(&(0x7f0000000140), 0x1, 0x0) ioctl$MEDIA_IOC_REQUEST_ALLOC(r2, 0x80047c05, &(0x7f0000000180)) sendmsg$NL80211_CMD_CRIT_PROTOCOL_START(r2, &(0x7f0000000140)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x8000}, 0xc, &(0x7f0000000100)={&(0x7f0000000080)={0x5c, 0x0, 0x883ae3f7efde4e9b, 0x70bd27, 0x25dfdbff, {{}, {@void, @void}}, [@NL80211_ATTR_CRIT_PROT_ID={0x6}, @NL80211_ATTR_CRIT_PROT_ID={0x6}, @NL80211_ATTR_CRIT_PROT_ID={0x6}, @NL80211_ATTR_CRIT_PROT_ID={0x6, 0xb3, 0x2}, @NL80211_ATTR_CRIT_PROT_ID={0x6}, @NL80211_ATTR_MAX_CRIT_PROT_DURATION={0x6, 0xb4, 0x131b}, @NL80211_ATTR_CRIT_PROT_ID={0x6, 0xb3, 0x2}, @NL80211_ATTR_MAX_CRIT_PROT_DURATION={0x6, 0xb4, 0xd63}, @NL80211_ATTR_CRIT_PROT_ID={0x6}]}, 0x5c}, 0x1, 0x0, 0x0, 0x4}, 0x20000091) 08:02:09 executing program 2: r0 = openat$ptmx(0xffffffffffffff9c, &(0x7f0000000040), 0x0, 0x0) ioctl$TIOCGPTPEER(r0, 0x5441, 0x7) (async) r1 = syz_open_dev$tty20(0xc, 0x4, 0x1) ioctl$TCSETSF(r1, 0x5404, &(0x7f0000000900)={0x0, 0x0, 0x0, 0x0, 0x0, "9750da5e3b38a0e557884e87596d6020c84d50"}) (async) ioctl$TIOCOUTQ(r1, 0x5411, &(0x7f0000000000)) ioctl$TIOCMBIC(r1, 0x5417, &(0x7f00000000c0)=0xfffffff7) (async) ioctl$KDDISABIO(0xffffffffffffffff, 0x4b37) (async) openat$ptmx(0xffffffffffffff9c, &(0x7f0000000080), 0x0, 0x0) [ 1292.254746] block nbd3: not configured, cannot reconfigure 08:02:09 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000200), r1) sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f0000000200)={0x0, 0x0, &(0x7f00000001c0)={&(0x7f0000000140)={0x1c, r2, 0x1, 0x20000000, 0x0, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x1c}}, 0x0) 08:02:09 executing program 4: syz_open_dev$ndb(&(0x7f00000002c0), 0x0, 0x0) r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000200), r1) sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f0000000200)={0x0, 0x74000000, &(0x7f00000001c0)={&(0x7f0000000140)={0x1c, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x1c}}, 0x0) 08:02:09 executing program 5: r0 = syz_open_dev$ndb(&(0x7f00000002c0), 0x0, 0x0) (async) r1 = syz_open_dev$vcsn(&(0x7f0000000140), 0x1, 0x0) ioctl$MEDIA_IOC_REQUEST_ALLOC(r1, 0x80047c05, &(0x7f0000000180)) (async) ioctl$MEDIA_REQUEST_IOC_QUEUE(0xffffffffffffffff, 0x7c80, 0x0) (async) ioctl$NBD_CLEAR_QUE(r1, 0xab05) ioctl$NBD_SET_SOCK(r0, 0x5421, 0xffffffffffffffff) (async, rerun: 64) ioctl$NBD_SET_BLKSIZE(r0, 0xab01, 0x3) (rerun: 64) [ 1292.314361] block nbd4: not configured, cannot reconfigure [ 1292.343902] block nbd1: not configured, cannot reconfigure 08:02:09 executing program 1: syz_open_dev$ndb(&(0x7f00000002c0), 0x0, 0x0) r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000200), r1) sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f0000000200)={0x0, 0x0, &(0x7f00000001c0)={&(0x7f0000000140)={0x1c, r2, 0x1, 0x8000000, 0x0, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x1c}}, 0x0) 08:02:09 executing program 2: r0 = openat$ptmx(0xffffffffffffff9c, &(0x7f0000000040), 0x0, 0x0) ioctl$TIOCGPTPEER(r0, 0x5441, 0x7) r1 = syz_open_dev$tty20(0xc, 0x4, 0x1) ioctl$TCSETSF(r1, 0x5404, &(0x7f0000000900)={0x0, 0x0, 0x0, 0x0, 0x0, "9750da5e3b38a0e557884e87596d6020c84d50"}) (async) ioctl$TCSETSF(r1, 0x5404, &(0x7f0000000900)={0x0, 0x0, 0x0, 0x0, 0x0, "9750da5e3b38a0e557884e87596d6020c84d50"}) ioctl$TIOCOUTQ(r1, 0x5411, &(0x7f0000000000)) ioctl$TIOCMBIC(r1, 0x5417, &(0x7f00000000c0)=0xfffffff7) ioctl$KDDISABIO(0xffffffffffffffff, 0x4b37) openat$ptmx(0xffffffffffffff9c, &(0x7f0000000080), 0x0, 0x0) (async) openat$ptmx(0xffffffffffffff9c, &(0x7f0000000080), 0x0, 0x0) 08:02:09 executing program 0: r0 = syz_open_dev$ndb(&(0x7f00000002c0), 0x0, 0x0) ioctl$NBD_SET_SOCK(r0, 0x5452, 0xffffffffffffffff) ioctl$NBD_CLEAR_SOCK(r0, 0xab04) [ 1292.412433] block nbd3: not configured, cannot reconfigure 08:02:10 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000200), r1) sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f0000000200)={0x0, 0x0, &(0x7f00000001c0)={&(0x7f0000000140)={0x1c, r2, 0x1, 0x48000000, 0x0, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x1c}}, 0x0) [ 1292.464881] block nbd4: not configured, cannot reconfigure [ 1292.501783] block nbd1: not configured, cannot reconfigure 08:02:10 executing program 5: r0 = syz_open_dev$ndb(&(0x7f00000002c0), 0x0, 0x0) r1 = syz_open_dev$vcsn(&(0x7f0000000140), 0x1, 0x0) ioctl$MEDIA_IOC_REQUEST_ALLOC(r1, 0x80047c05, &(0x7f0000000180)) ioctl$MEDIA_REQUEST_IOC_QUEUE(0xffffffffffffffff, 0x7c80, 0x0) ioctl$NBD_CLEAR_QUE(r1, 0xab05) ioctl$NBD_SET_SOCK(r0, 0x5421, 0xffffffffffffffff) ioctl$NBD_SET_BLKSIZE(r0, 0xab01, 0x3) syz_open_dev$ndb(&(0x7f00000002c0), 0x0, 0x0) (async) syz_open_dev$vcsn(&(0x7f0000000140), 0x1, 0x0) (async) ioctl$MEDIA_IOC_REQUEST_ALLOC(r1, 0x80047c05, &(0x7f0000000180)) (async) ioctl$MEDIA_REQUEST_IOC_QUEUE(0xffffffffffffffff, 0x7c80, 0x0) (async) ioctl$NBD_CLEAR_QUE(r1, 0xab05) (async) ioctl$NBD_SET_SOCK(r0, 0x5421, 0xffffffffffffffff) (async) ioctl$NBD_SET_BLKSIZE(r0, 0xab01, 0x3) (async) 08:02:10 executing program 0: r0 = syz_open_dev$ndb(&(0x7f00000002c0), 0x0, 0x0) ioctl$NBD_SET_SOCK(r0, 0x5452, 0xffffffffffffffff) (async) ioctl$NBD_CLEAR_SOCK(r0, 0xab04) 08:02:10 executing program 2: r0 = openat$ptmx(0xffffffffffffff9c, &(0x7f0000000040), 0x0, 0x0) r1 = openat$ptmx(0xffffffffffffff9c, &(0x7f0000000000), 0x210881, 0x0) ioctl$VT_OPENQRY(r1, 0x5600, &(0x7f0000000080)) ioctl$TIOCGPTPEER(r0, 0x5441, 0xdbb8) 08:02:10 executing program 4: syz_open_dev$ndb(&(0x7f00000002c0), 0x0, 0x0) r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000200), r1) sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f0000000200)={0x0, 0x7a000000, &(0x7f00000001c0)={&(0x7f0000000140)={0x1c, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x1c}}, 0x0) [ 1292.515063] block nbd3: not configured, cannot reconfigure 08:02:10 executing program 0: r0 = syz_open_dev$ndb(&(0x7f00000002c0), 0x0, 0x0) ioctl$NBD_SET_SOCK(r0, 0x5452, 0xffffffffffffffff) (async) ioctl$NBD_CLEAR_SOCK(r0, 0xab04) 08:02:10 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000200), r1) sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f0000000200)={0x0, 0x0, &(0x7f00000001c0)={&(0x7f0000000140)={0x1c, r2, 0x1, 0x4c000000, 0x0, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x1c}}, 0x0) 08:02:10 executing program 5: openat$fuse(0xffffffffffffff9c, &(0x7f0000000000), 0x2, 0x0) r0 = syz_open_dev$vcsn(&(0x7f0000000040), 0x4, 0x4040) ioctl$MEDIA_IOC_REQUEST_ALLOC(r0, 0x80047c05, &(0x7f0000000080)) r1 = syz_open_dev$ndb(&(0x7f00000002c0), 0x0, 0x0) ioctl$NBD_SET_SOCK(r1, 0x5421, 0xffffffffffffffff) 08:02:10 executing program 1: syz_open_dev$ndb(&(0x7f00000002c0), 0x0, 0x0) r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000200), r1) sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f0000000200)={0x0, 0x0, &(0x7f00000001c0)={&(0x7f0000000140)={0x1c, r2, 0x1, 0xf000000, 0x0, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x1c}}, 0x0) 08:02:10 executing program 2: openat$ptmx(0xffffffffffffff9c, &(0x7f0000000040), 0x0, 0x0) (async) r0 = openat$ptmx(0xffffffffffffff9c, &(0x7f0000000040), 0x0, 0x0) r1 = openat$ptmx(0xffffffffffffff9c, &(0x7f0000000000), 0x210881, 0x0) ioctl$VT_OPENQRY(r1, 0x5600, &(0x7f0000000080)) ioctl$TIOCGPTPEER(r0, 0x5441, 0xdbb8) 08:02:10 executing program 5: openat$fuse(0xffffffffffffff9c, &(0x7f0000000000), 0x2, 0x0) (async) r0 = syz_open_dev$vcsn(&(0x7f0000000040), 0x4, 0x4040) ioctl$MEDIA_IOC_REQUEST_ALLOC(r0, 0x80047c05, &(0x7f0000000080)) r1 = syz_open_dev$ndb(&(0x7f00000002c0), 0x0, 0x0) ioctl$NBD_SET_SOCK(r1, 0x5421, 0xffffffffffffffff) 08:02:10 executing program 4: syz_open_dev$ndb(&(0x7f00000002c0), 0x0, 0x0) r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000200), r1) sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f0000000200)={0x0, 0x9effffff, &(0x7f00000001c0)={&(0x7f0000000140)={0x1c, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x1c}}, 0x0) [ 1292.687289] block nbd4: not configured, cannot reconfigure [ 1292.711348] block nbd1: not configured, cannot reconfigure 08:02:10 executing program 1: syz_open_dev$ndb(&(0x7f00000002c0), 0x0, 0x0) r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000200), r1) sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f0000000200)={0x0, 0x0, &(0x7f00000001c0)={&(0x7f0000000140)={0x1c, r2, 0x1, 0x20000000, 0x0, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x1c}}, 0x0) 08:02:10 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000200), r1) sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f0000000200)={0x0, 0x0, &(0x7f00000001c0)={&(0x7f0000000140)={0x1c, r2, 0x1, 0x60000000, 0x0, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x1c}}, 0x0) [ 1292.738049] block nbd3: not configured, cannot reconfigure 08:02:10 executing program 0: r0 = syz_open_dev$ndb(&(0x7f00000002c0), 0x0, 0x40840) r1 = syz_init_net_socket$nl_rdma(0x10, 0x3, 0x10) openat$ttyprintk(0xffffffffffffff9c, &(0x7f0000000080), 0x80000, 0x0) r2 = syz_open_dev$ttys(0xc, 0x2, 0x1) ioctl$TCSETSW(r2, 0x5403, &(0x7f0000000540)={0x0, 0x0, 0xffffffff, 0x9, 0x0, "baf26a10e07ba77f1de09b779f3357c9c5a583"}) r3 = syz_open_dev$tty20(0xc, 0x4, 0x0) ioctl$VT_OPENQRY(r3, 0x5600, &(0x7f0000000100)) socketpair$unix(0x1, 0x2, 0x0, &(0x7f0000000040)) sendmsg$BATADV_CMD_TP_METER_CANCEL(r1, &(0x7f0000001900)={&(0x7f0000001800), 0xc, 0x0}, 0x0) ioctl$AUTOFS_DEV_IOCTL_PROTOVER(0xffffffffffffffff, 0xc0189372, &(0x7f0000000000)={{0x1, 0x1, 0x18, r1, {0x6}}, './file0\x00'}) ioctl$NBD_SET_SOCK(r0, 0x5452, 0xffffffffffffffff) 08:02:10 executing program 2: r0 = openat$ptmx(0xffffffffffffff9c, &(0x7f0000000040), 0x0, 0x0) r1 = openat$ptmx(0xffffffffffffff9c, &(0x7f0000000000), 0x210881, 0x0) ioctl$VT_OPENQRY(r1, 0x5600, &(0x7f0000000080)) ioctl$TIOCGPTPEER(r0, 0x5441, 0xdbb8) (async) ioctl$TIOCGPTPEER(r0, 0x5441, 0xdbb8) 08:02:10 executing program 5: openat$fuse(0xffffffffffffff9c, &(0x7f0000000000), 0x2, 0x0) r0 = syz_open_dev$vcsn(&(0x7f0000000040), 0x4, 0x4040) ioctl$MEDIA_IOC_REQUEST_ALLOC(r0, 0x80047c05, &(0x7f0000000080)) syz_open_dev$ndb(&(0x7f00000002c0), 0x0, 0x0) (async) r1 = syz_open_dev$ndb(&(0x7f00000002c0), 0x0, 0x0) ioctl$NBD_SET_SOCK(r1, 0x5421, 0xffffffffffffffff) 08:02:10 executing program 4: syz_open_dev$ndb(&(0x7f00000002c0), 0x0, 0x0) r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000200), r1) sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f0000000200)={0x0, 0xd8650000, &(0x7f00000001c0)={&(0x7f0000000140)={0x1c, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x1c}}, 0x0) 08:02:10 executing program 1: syz_open_dev$ndb(&(0x7f00000002c0), 0x0, 0x0) r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000200), r1) sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f0000000200)={0x0, 0x0, &(0x7f00000001c0)={&(0x7f0000000140)={0x1c, r2, 0x1, 0x48000000, 0x0, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x1c}}, 0x0) 08:02:10 executing program 2: r0 = openat$ptmx(0xffffffffffffff9c, &(0x7f0000000040), 0x0, 0x0) r1 = syz_open_dev$ttys(0xc, 0x2, 0x1) ioctl$TCSETSW(r1, 0x5403, &(0x7f0000000540)={0x0, 0x0, 0xffffffff, 0x9, 0x0, "baf26a10e07ba77f1de09b779f3357c9c5a583"}) ioctl$AUTOFS_DEV_IOCTL_PROTOVER(0xffffffffffffffff, 0xc0189372, &(0x7f0000000000)={{0x1, 0x1, 0x18, r1}, './file0\x00'}) ioctl$KDGETKEYCODE(r0, 0x4b4c, &(0x7f0000000080)={0x2, 0xe5e}) ioctl$TIOCGPTPEER(r2, 0x5441, 0xdbb5) [ 1292.853792] block nbd4: not configured, cannot reconfigure [ 1292.875532] block nbd1: not configured, cannot reconfigure [ 1292.897738] block nbd3: not configured, cannot reconfigure 08:02:10 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000200), r1) sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f0000000200)={0x0, 0x0, &(0x7f00000001c0)={&(0x7f0000000140)={0x1c, r2, 0x1, 0x68000000, 0x0, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x1c}}, 0x0) 08:02:10 executing program 0: r0 = syz_open_dev$ndb(&(0x7f00000002c0), 0x0, 0x40840) (async) r1 = syz_init_net_socket$nl_rdma(0x10, 0x3, 0x10) openat$ttyprintk(0xffffffffffffff9c, &(0x7f0000000080), 0x80000, 0x0) (async) r2 = syz_open_dev$ttys(0xc, 0x2, 0x1) ioctl$TCSETSW(r2, 0x5403, &(0x7f0000000540)={0x0, 0x0, 0xffffffff, 0x9, 0x0, "baf26a10e07ba77f1de09b779f3357c9c5a583"}) (async) r3 = syz_open_dev$tty20(0xc, 0x4, 0x0) ioctl$VT_OPENQRY(r3, 0x5600, &(0x7f0000000100)) (async, rerun: 64) socketpair$unix(0x1, 0x2, 0x0, &(0x7f0000000040)) (async, rerun: 64) sendmsg$BATADV_CMD_TP_METER_CANCEL(r1, &(0x7f0000001900)={&(0x7f0000001800), 0xc, 0x0}, 0x0) (async) ioctl$AUTOFS_DEV_IOCTL_PROTOVER(0xffffffffffffffff, 0xc0189372, &(0x7f0000000000)={{0x1, 0x1, 0x18, r1, {0x6}}, './file0\x00'}) (async) ioctl$NBD_SET_SOCK(r0, 0x5452, 0xffffffffffffffff) 08:02:10 executing program 5: syz_open_dev$ndb(&(0x7f00000002c0), 0x0, 0x0) r0 = syz_open_dev$vcsn(&(0x7f0000000000), 0x4000, 0x464040) r1 = syz_open_dev$vcsn(&(0x7f0000000140), 0x1, 0x0) ioctl$MEDIA_IOC_REQUEST_ALLOC(r1, 0x80047c05, &(0x7f0000000180)) ioctl$NBD_SET_SOCK(r1, 0x5421, r0) 08:02:10 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000200), r1) sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f0000000200)={0x0, 0x0, &(0x7f00000001c0)={&(0x7f0000000140)={0x1c, r2, 0x1, 0x6c000000, 0x0, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x1c}}, 0x0) [ 1293.002245] block nbd1: not configured, cannot reconfigure [ 1293.034731] block nbd4: not configured, cannot reconfigure [ 1293.044839] block nbd3: not configured, cannot reconfigure 08:02:10 executing program 1: syz_open_dev$ndb(&(0x7f00000002c0), 0x0, 0x0) r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000200), r1) sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f0000000200)={0x0, 0x0, &(0x7f00000001c0)={&(0x7f0000000140)={0x1c, r2, 0x1, 0x4c000000, 0x0, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x1c}}, 0x0) 08:02:10 executing program 2: openat$ptmx(0xffffffffffffff9c, &(0x7f0000000040), 0x0, 0x0) (async) r0 = openat$ptmx(0xffffffffffffff9c, &(0x7f0000000040), 0x0, 0x0) r1 = syz_open_dev$ttys(0xc, 0x2, 0x1) ioctl$TCSETSW(r1, 0x5403, &(0x7f0000000540)={0x0, 0x0, 0xffffffff, 0x9, 0x0, "baf26a10e07ba77f1de09b779f3357c9c5a583"}) (async) ioctl$TCSETSW(r1, 0x5403, &(0x7f0000000540)={0x0, 0x0, 0xffffffff, 0x9, 0x0, "baf26a10e07ba77f1de09b779f3357c9c5a583"}) ioctl$AUTOFS_DEV_IOCTL_PROTOVER(0xffffffffffffffff, 0xc0189372, &(0x7f0000000000)={{0x1, 0x1, 0x18, r1}, './file0\x00'}) ioctl$KDGETKEYCODE(r0, 0x4b4c, &(0x7f0000000080)={0x2, 0xe5e}) ioctl$TIOCGPTPEER(r2, 0x5441, 0xdbb5) 08:02:10 executing program 4: syz_open_dev$ndb(&(0x7f00000002c0), 0x0, 0x0) r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000200), r1) sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f0000000200)={0x0, 0xf0ffffff, &(0x7f00000001c0)={&(0x7f0000000140)={0x1c, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x1c}}, 0x0) 08:02:10 executing program 5: syz_open_dev$ndb(&(0x7f00000002c0), 0x0, 0x0) r0 = syz_open_dev$vcsn(&(0x7f0000000000), 0x4000, 0x464040) (async) r1 = syz_open_dev$vcsn(&(0x7f0000000140), 0x1, 0x0) ioctl$MEDIA_IOC_REQUEST_ALLOC(r1, 0x80047c05, &(0x7f0000000180)) ioctl$NBD_SET_SOCK(r1, 0x5421, r0) [ 1293.163571] block nbd3: not configured, cannot reconfigure [ 1293.188314] block nbd1: not configured, cannot reconfigure 08:02:10 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000200), r1) sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f0000000200)={0x0, 0x0, &(0x7f00000001c0)={&(0x7f0000000140)={0x1c, r2, 0x1, 0x74000000, 0x0, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x1c}}, 0x0) 08:02:10 executing program 0: r0 = syz_open_dev$ndb(&(0x7f00000002c0), 0x0, 0x40840) r1 = syz_init_net_socket$nl_rdma(0x10, 0x3, 0x10) openat$ttyprintk(0xffffffffffffff9c, &(0x7f0000000080), 0x80000, 0x0) r2 = syz_open_dev$ttys(0xc, 0x2, 0x1) ioctl$TCSETSW(r2, 0x5403, &(0x7f0000000540)={0x0, 0x0, 0xffffffff, 0x9, 0x0, "baf26a10e07ba77f1de09b779f3357c9c5a583"}) r3 = syz_open_dev$tty20(0xc, 0x4, 0x0) ioctl$VT_OPENQRY(r3, 0x5600, &(0x7f0000000100)) socketpair$unix(0x1, 0x2, 0x0, &(0x7f0000000040)) sendmsg$BATADV_CMD_TP_METER_CANCEL(r1, &(0x7f0000001900)={&(0x7f0000001800), 0xc, 0x0}, 0x0) ioctl$AUTOFS_DEV_IOCTL_PROTOVER(0xffffffffffffffff, 0xc0189372, &(0x7f0000000000)={{0x1, 0x1, 0x18, r1, {0x6}}, './file0\x00'}) ioctl$NBD_SET_SOCK(r0, 0x5452, 0xffffffffffffffff) syz_open_dev$ndb(&(0x7f00000002c0), 0x0, 0x40840) (async) syz_init_net_socket$nl_rdma(0x10, 0x3, 0x10) (async) openat$ttyprintk(0xffffffffffffff9c, &(0x7f0000000080), 0x80000, 0x0) (async) syz_open_dev$ttys(0xc, 0x2, 0x1) (async) ioctl$TCSETSW(r2, 0x5403, &(0x7f0000000540)={0x0, 0x0, 0xffffffff, 0x9, 0x0, "baf26a10e07ba77f1de09b779f3357c9c5a583"}) (async) syz_open_dev$tty20(0xc, 0x4, 0x0) (async) ioctl$VT_OPENQRY(r3, 0x5600, &(0x7f0000000100)) (async) socketpair$unix(0x1, 0x2, 0x0, &(0x7f0000000040)) (async) sendmsg$BATADV_CMD_TP_METER_CANCEL(r1, &(0x7f0000001900)={&(0x7f0000001800), 0xc, 0x0}, 0x0) (async) ioctl$AUTOFS_DEV_IOCTL_PROTOVER(0xffffffffffffffff, 0xc0189372, &(0x7f0000000000)={{0x1, 0x1, 0x18, r1, {0x6}}, './file0\x00'}) (async) ioctl$NBD_SET_SOCK(r0, 0x5452, 0xffffffffffffffff) (async) 08:02:10 executing program 2: r0 = openat$ptmx(0xffffffffffffff9c, &(0x7f0000000040), 0x0, 0x0) syz_open_dev$ttys(0xc, 0x2, 0x1) (async) r1 = syz_open_dev$ttys(0xc, 0x2, 0x1) ioctl$TCSETSW(r1, 0x5403, &(0x7f0000000540)={0x0, 0x0, 0xffffffff, 0x9, 0x0, "baf26a10e07ba77f1de09b779f3357c9c5a583"}) ioctl$AUTOFS_DEV_IOCTL_PROTOVER(0xffffffffffffffff, 0xc0189372, &(0x7f0000000000)={{0x1, 0x1, 0x18, r1}, './file0\x00'}) ioctl$KDGETKEYCODE(r0, 0x4b4c, &(0x7f0000000080)={0x2, 0xe5e}) (async) ioctl$KDGETKEYCODE(r0, 0x4b4c, &(0x7f0000000080)={0x2, 0xe5e}) ioctl$TIOCGPTPEER(r2, 0x5441, 0xdbb5) 08:02:10 executing program 5: syz_open_dev$ndb(&(0x7f00000002c0), 0x0, 0x0) (async, rerun: 32) r0 = syz_open_dev$vcsn(&(0x7f0000000000), 0x4000, 0x464040) (async, rerun: 32) r1 = syz_open_dev$vcsn(&(0x7f0000000140), 0x1, 0x0) ioctl$MEDIA_IOC_REQUEST_ALLOC(r1, 0x80047c05, &(0x7f0000000180)) (async) ioctl$NBD_SET_SOCK(r1, 0x5421, r0) 08:02:10 executing program 1: syz_open_dev$ndb(&(0x7f00000002c0), 0x0, 0x0) r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000200), r1) sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f0000000200)={0x0, 0x0, &(0x7f00000001c0)={&(0x7f0000000140)={0x1c, r2, 0x1, 0x60000000, 0x0, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x1c}}, 0x0) [ 1293.214570] block nbd4: not configured, cannot reconfigure 08:02:10 executing program 4: syz_open_dev$ndb(&(0x7f00000002c0), 0x0, 0x0) r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000200), r1) sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f0000000200)={0x0, 0xf63639fe, &(0x7f00000001c0)={&(0x7f0000000140)={0x1c, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x1c}}, 0x0) 08:02:10 executing program 2: r0 = openat$ptmx(0xffffffffffffff9c, &(0x7f0000000040), 0x0, 0x0) r1 = add_key$fscrypt_v1(&(0x7f0000000000), &(0x7f0000000080)={'fscrypt:', @desc2}, &(0x7f00000000c0)={0x0, "1a4a70f87570e09771c845710446cfee9da3712a0a56393a1de89b2e5b05f71727ff4e890c46895ff6c61e0dee02c61ad205b4c50b2d1c9eb6d0ddfd421af0a4", 0x12}, 0x48, 0x0) keyctl$negate(0xd, r1, 0x51, 0xffffffffffffffff) ioctl$TIOCGPTPEER(r0, 0x5441, 0xdbb8) r2 = add_key$keyring(&(0x7f0000000080), &(0x7f00000000c0)={'syz', 0x0}, 0x0, 0x0, 0xffffffffffffffff) keyctl$restrict_keyring(0x1d, r2, &(0x7f0000000000)='.dead\x00', &(0x7f0000000040)='&-Q') [ 1293.303687] block nbd3: not configured, cannot reconfigure [ 1293.325960] block nbd1: not configured, cannot reconfigure 08:02:10 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000200), r1) sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f0000000200)={0x0, 0x0, &(0x7f00000001c0)={&(0x7f0000000140)={0x1c, r2, 0x1, 0x7a000000, 0x0, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x1c}}, 0x0) 08:02:10 executing program 5: r0 = syz_open_dev$ndb(&(0x7f00000002c0), 0x0, 0x0) semget(0x0, 0x1, 0x15897e0b31a2c793) ioctl$NBD_SET_SOCK(r0, 0x5421, 0xffffffffffffffff) 08:02:10 executing program 1: syz_open_dev$ndb(&(0x7f00000002c0), 0x0, 0x0) r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000200), r1) sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f0000000200)={0x0, 0x0, &(0x7f00000001c0)={&(0x7f0000000140)={0x1c, r2, 0x1, 0x65770bc2, 0x0, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x1c}}, 0x0) [ 1293.352814] block nbd4: not configured, cannot reconfigure 08:02:10 executing program 4: syz_open_dev$ndb(&(0x7f00000002c0), 0x0, 0x0) r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000200), r1) sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f0000000200)={0x0, 0xfe3936f6, &(0x7f00000001c0)={&(0x7f0000000140)={0x1c, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x1c}}, 0x0) 08:02:10 executing program 2: r0 = openat$ptmx(0xffffffffffffff9c, &(0x7f0000000040), 0x0, 0x0) (async) r1 = add_key$fscrypt_v1(&(0x7f0000000000), &(0x7f0000000080)={'fscrypt:', @desc2}, &(0x7f00000000c0)={0x0, "1a4a70f87570e09771c845710446cfee9da3712a0a56393a1de89b2e5b05f71727ff4e890c46895ff6c61e0dee02c61ad205b4c50b2d1c9eb6d0ddfd421af0a4", 0x12}, 0x48, 0x0) keyctl$negate(0xd, r1, 0x51, 0xffffffffffffffff) (async) ioctl$TIOCGPTPEER(r0, 0x5441, 0xdbb8) (async) r2 = add_key$keyring(&(0x7f0000000080), &(0x7f00000000c0)={'syz', 0x0}, 0x0, 0x0, 0xffffffffffffffff) keyctl$restrict_keyring(0x1d, r2, &(0x7f0000000000)='.dead\x00', &(0x7f0000000040)='&-Q') 08:02:11 executing program 0: r0 = syz_open_dev$ndb(&(0x7f00000002c0), 0x0, 0x0) ioctl$NBD_SET_SOCK(r0, 0x5452, 0xffffffffffffffff) r1 = syz_genetlink_get_family_id$nl80211(&(0x7f0000000040), 0xffffffffffffffff) sendmsg$NL80211_CMD_NEW_STATION(0xffffffffffffffff, &(0x7f0000000140)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x3946660a82ffe762}, 0xc, &(0x7f0000000100)={&(0x7f0000000180)=ANY=[@ANYBLOB='X\x00\x00\x00', @ANYRES16=r1, @ANYBLOB="000826bd7000fd0400000000030000000000000000", @ANYRES32=0x0, @ANYBLOB="0c009900040000001e000000050029000c000000060012014d3400000600b50020030000060012000000000006001200000000000600120000040000"], 0x58}}, 0x80) 08:02:11 executing program 5: r0 = syz_open_dev$ndb(&(0x7f00000002c0), 0x0, 0x0) semget(0x0, 0x1, 0x15897e0b31a2c793) ioctl$NBD_SET_SOCK(r0, 0x5421, 0xffffffffffffffff) syz_open_dev$ndb(&(0x7f00000002c0), 0x0, 0x0) (async) semget(0x0, 0x1, 0x15897e0b31a2c793) (async) ioctl$NBD_SET_SOCK(r0, 0x5421, 0xffffffffffffffff) (async) 08:02:11 executing program 0: r0 = syz_open_dev$ndb(&(0x7f00000002c0), 0x0, 0x0) ioctl$NBD_SET_SOCK(r0, 0x5452, 0xffffffffffffffff) r1 = syz_genetlink_get_family_id$nl80211(&(0x7f0000000040), 0xffffffffffffffff) sendmsg$NL80211_CMD_NEW_STATION(0xffffffffffffffff, &(0x7f0000000140)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x3946660a82ffe762}, 0xc, &(0x7f0000000100)={&(0x7f0000000180)=ANY=[@ANYBLOB='X\x00\x00\x00', @ANYRES16=r1, @ANYBLOB="000826bd7000fd0400000000030000000000000000", @ANYRES32=0x0, @ANYBLOB="0c009900040000001e000000050029000c000000060012014d3400000600b50020030000060012000000000006001200000000000600120000040000"], 0x58}}, 0x80) syz_open_dev$ndb(&(0x7f00000002c0), 0x0, 0x0) (async) ioctl$NBD_SET_SOCK(r0, 0x5452, 0xffffffffffffffff) (async) syz_genetlink_get_family_id$nl80211(&(0x7f0000000040), 0xffffffffffffffff) (async) sendmsg$NL80211_CMD_NEW_STATION(0xffffffffffffffff, &(0x7f0000000140)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x3946660a82ffe762}, 0xc, &(0x7f0000000100)={&(0x7f0000000180)=ANY=[@ANYBLOB='X\x00\x00\x00', @ANYRES16=r1, @ANYBLOB="000826bd7000fd0400000000030000000000000000", @ANYRES32=0x0, @ANYBLOB="0c009900040000001e000000050029000c000000060012014d3400000600b50020030000060012000000000006001200000000000600120000040000"], 0x58}}, 0x80) (async) 08:02:11 executing program 2: r0 = openat$ptmx(0xffffffffffffff9c, &(0x7f0000000040), 0x0, 0x0) (async) r1 = add_key$fscrypt_v1(&(0x7f0000000000), &(0x7f0000000080)={'fscrypt:', @desc2}, &(0x7f00000000c0)={0x0, "1a4a70f87570e09771c845710446cfee9da3712a0a56393a1de89b2e5b05f71727ff4e890c46895ff6c61e0dee02c61ad205b4c50b2d1c9eb6d0ddfd421af0a4", 0x12}, 0x48, 0x0) keyctl$negate(0xd, r1, 0x51, 0xffffffffffffffff) (async) ioctl$TIOCGPTPEER(r0, 0x5441, 0xdbb8) r2 = add_key$keyring(&(0x7f0000000080), &(0x7f00000000c0)={'syz', 0x0}, 0x0, 0x0, 0xffffffffffffffff) keyctl$restrict_keyring(0x1d, r2, &(0x7f0000000000)='.dead\x00', &(0x7f0000000040)='&-Q') [ 1293.491659] block nbd3: not configured, cannot reconfigure [ 1293.512038] block nbd4: not configured, cannot reconfigure [ 1293.533837] block nbd1: not configured, cannot reconfigure 08:02:11 executing program 4: syz_open_dev$ndb(&(0x7f00000002c0), 0x0, 0x0) r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000200), r1) sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f0000000200)={0x0, 0xfffff000, &(0x7f00000001c0)={&(0x7f0000000140)={0x1c, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x1c}}, 0x0) 08:02:11 executing program 1: syz_open_dev$ndb(&(0x7f00000002c0), 0x0, 0x0) r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000200), r1) sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f0000000200)={0x0, 0x0, &(0x7f00000001c0)={&(0x7f0000000140)={0x1c, r2, 0x1, 0x68000000, 0x0, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x1c}}, 0x0) 08:02:11 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000200), r1) sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f0000000200)={0x0, 0x0, &(0x7f00000001c0)={&(0x7f0000000140)={0x1c, r2, 0x1, 0x9effffff, 0x0, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x1c}}, 0x0) 08:02:11 executing program 2: r0 = openat$ptmx(0xffffffffffffff9c, &(0x7f0000000040), 0x0, 0x0) r1 = syz_open_dev$tty20(0xc, 0x4, 0x1) ioctl$TCSETSF(r1, 0x5404, &(0x7f0000000900)={0x0, 0x0, 0x0, 0x0, 0x0, "9750da5e3b38a0e557884e87596d6020c84d50"}) ioctl$KDGETLED(r1, 0x4b31, &(0x7f0000000000)) ioctl$TIOCGPTPEER(r0, 0x5441, 0x5) r2 = syz_open_dev$tty20(0xc, 0x4, 0x1) ioctl$TCSETSF(r2, 0x5404, &(0x7f0000000900)={0x0, 0x0, 0x0, 0x0, 0x0, "9750da5e3b38a0e557884e87596d6020c84d50"}) ioctl$KDSETLED(r2, 0x4b32, 0x6) 08:02:11 executing program 5: r0 = syz_open_dev$ndb(&(0x7f00000002c0), 0x0, 0x0) semget(0x0, 0x1, 0x15897e0b31a2c793) (async, rerun: 64) ioctl$NBD_SET_SOCK(r0, 0x5421, 0xffffffffffffffff) (rerun: 64) 08:02:11 executing program 0: r0 = syz_open_dev$ndb(&(0x7f00000002c0), 0x0, 0x0) ioctl$NBD_SET_SOCK(r0, 0x5452, 0xffffffffffffffff) (async) r1 = syz_genetlink_get_family_id$nl80211(&(0x7f0000000040), 0xffffffffffffffff) sendmsg$NL80211_CMD_NEW_STATION(0xffffffffffffffff, &(0x7f0000000140)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x3946660a82ffe762}, 0xc, &(0x7f0000000100)={&(0x7f0000000180)=ANY=[@ANYBLOB='X\x00\x00\x00', @ANYRES16=r1, @ANYBLOB="000826bd7000fd0400000000030000000000000000", @ANYRES32=0x0, @ANYBLOB="0c009900040000001e000000050029000c000000060012014d3400000600b50020030000060012000000000006001200000000000600120000040000"], 0x58}}, 0x80) 08:02:11 executing program 2: r0 = openat$ptmx(0xffffffffffffff9c, &(0x7f0000000040), 0x0, 0x0) syz_open_dev$tty20(0xc, 0x4, 0x1) (async) r1 = syz_open_dev$tty20(0xc, 0x4, 0x1) ioctl$TCSETSF(r1, 0x5404, &(0x7f0000000900)={0x0, 0x0, 0x0, 0x0, 0x0, "9750da5e3b38a0e557884e87596d6020c84d50"}) ioctl$KDGETLED(r1, 0x4b31, &(0x7f0000000000)) ioctl$TIOCGPTPEER(r0, 0x5441, 0x5) r2 = syz_open_dev$tty20(0xc, 0x4, 0x1) ioctl$TCSETSF(r2, 0x5404, &(0x7f0000000900)={0x0, 0x0, 0x0, 0x0, 0x0, "9750da5e3b38a0e557884e87596d6020c84d50"}) (async) ioctl$TCSETSF(r2, 0x5404, &(0x7f0000000900)={0x0, 0x0, 0x0, 0x0, 0x0, "9750da5e3b38a0e557884e87596d6020c84d50"}) ioctl$KDSETLED(r2, 0x4b32, 0x6) 08:02:11 executing program 1: syz_open_dev$ndb(&(0x7f00000002c0), 0x0, 0x0) r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000200), r1) sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f0000000200)={0x0, 0x0, &(0x7f00000001c0)={&(0x7f0000000140)={0x1c, r2, 0x1, 0x6c000000, 0x0, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x1c}}, 0x0) 08:02:11 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000200), r1) sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f0000000200)={0x0, 0x0, &(0x7f00000001c0)={&(0x7f0000000140)={0x1c, r2, 0x1, 0xd237d1d4, 0x0, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x1c}}, 0x0) [ 1293.693859] block nbd3: not configured, cannot reconfigure [ 1293.720455] block nbd1: not configured, cannot reconfigure [ 1293.732577] block nbd4: not configured, cannot reconfigure 08:02:11 executing program 4: syz_open_dev$ndb(&(0x7f00000002c0), 0x0, 0x0) r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000200), r1) sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f0000000200)={0x0, 0xffffff7f, &(0x7f00000001c0)={&(0x7f0000000140)={0x1c, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x1c}}, 0x0) 08:02:11 executing program 5: r0 = syz_open_dev$ndb(&(0x7f00000002c0), 0x0, 0x0) ioctl$NBD_SET_SOCK(r0, 0x5421, 0xffffffffffffffff) ioctl$AUTOFS_DEV_IOCTL_PROTOVER(0xffffffffffffffff, 0xc0189372, &(0x7f0000000040)=ANY=[@ANYBLOB="010000001400000899ba0e1395c8fef033cc586bdd3ced8bab60fada65bbaeeaa468d47f5792bc78f1f51316712a7aa8626c2a3b6ff2958ec58ac899aa26237026b4f47c3e079f83e4eb9068e06660b1aa8d90b38be2b5f98d4a0e05de25261bfe6c8422e0affaee835d51928bbe66530fe4deac8ae1", @ANYRES32=r0, @ANYBLOB="00001000000000002e2f66696c653000"]) ioctl$NBD_CLEAR_SOCK(0xffffffffffffffff, 0xab04) r1 = ioctl$TIOCGPTPEER(0xffffffffffffffff, 0x5441, 0xfffffffffffffff7) ioctl$KDSETKEYCODE(r1, 0x4b4d, &(0x7f0000000000)={0xfff, 0x100}) 08:02:11 executing program 0: r0 = syz_open_dev$ndb(&(0x7f00000002c0), 0x0, 0x20803) ioctl$NBD_SET_SOCK(r0, 0x5452, 0xffffffffffffffff) 08:02:11 executing program 2: r0 = openat$ptmx(0xffffffffffffff9c, &(0x7f0000000040), 0x0, 0x0) (async) r1 = syz_open_dev$tty20(0xc, 0x4, 0x1) ioctl$TCSETSF(r1, 0x5404, &(0x7f0000000900)={0x0, 0x0, 0x0, 0x0, 0x0, "9750da5e3b38a0e557884e87596d6020c84d50"}) (async) ioctl$KDGETLED(r1, 0x4b31, &(0x7f0000000000)) ioctl$TIOCGPTPEER(r0, 0x5441, 0x5) (async) r2 = syz_open_dev$tty20(0xc, 0x4, 0x1) ioctl$TCSETSF(r2, 0x5404, &(0x7f0000000900)={0x0, 0x0, 0x0, 0x0, 0x0, "9750da5e3b38a0e557884e87596d6020c84d50"}) (async) ioctl$KDSETLED(r2, 0x4b32, 0x6) 08:02:11 executing program 1: syz_open_dev$ndb(&(0x7f00000002c0), 0x0, 0x0) r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000200), r1) sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f0000000200)={0x0, 0x0, &(0x7f00000001c0)={&(0x7f0000000140)={0x1c, r2, 0x1, 0x74000000, 0x0, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x1c}}, 0x0) [ 1293.815004] block nbd1: not configured, cannot reconfigure [ 1293.853640] block nbd4: not configured, cannot reconfigure 08:02:11 executing program 5: r0 = syz_open_dev$ndb(&(0x7f00000002c0), 0x0, 0x0) ioctl$NBD_SET_SOCK(r0, 0x5421, 0xffffffffffffffff) (async) ioctl$AUTOFS_DEV_IOCTL_PROTOVER(0xffffffffffffffff, 0xc0189372, &(0x7f0000000040)=ANY=[@ANYBLOB="010000001400000899ba0e1395c8fef033cc586bdd3ced8bab60fada65bbaeeaa468d47f5792bc78f1f51316712a7aa8626c2a3b6ff2958ec58ac899aa26237026b4f47c3e079f83e4eb9068e06660b1aa8d90b38be2b5f98d4a0e05de25261bfe6c8422e0affaee835d51928bbe66530fe4deac8ae1", @ANYRES32=r0, @ANYBLOB="00001000000000002e2f66696c653000"]) (async) ioctl$NBD_CLEAR_SOCK(0xffffffffffffffff, 0xab04) r1 = ioctl$TIOCGPTPEER(0xffffffffffffffff, 0x5441, 0xfffffffffffffff7) ioctl$KDSETKEYCODE(r1, 0x4b4d, &(0x7f0000000000)={0xfff, 0x100}) 08:02:11 executing program 0: r0 = syz_open_dev$ndb(&(0x7f00000002c0), 0x0, 0x20803) ioctl$NBD_SET_SOCK(r0, 0x5452, 0xffffffffffffffff) 08:02:11 executing program 4: syz_open_dev$ndb(&(0x7f00000002c0), 0x0, 0x0) r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000200), r1) sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f0000000200)={0x0, 0xffffff9e, &(0x7f00000001c0)={&(0x7f0000000140)={0x1c, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x1c}}, 0x0) 08:02:11 executing program 2: r0 = openat$ptmx(0xffffffffffffff9c, &(0x7f0000000040), 0x0, 0x0) r1 = syz_open_dev$ttys(0xc, 0x2, 0x0) ioctl$TCSETSW(r1, 0x5403, &(0x7f0000000540)={0x0, 0x0, 0xffffffff, 0x9, 0x0, "baf26a10e07ba77f1de09b779f3357c9c5a583"}) ioctl$KDSKBENT(r0, 0x4b47, &(0x7f0000000000)={0x5, 0x20, 0x101}) ioctl$TIOCGPTPEER(r0, 0x5441, 0x3) 08:02:11 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000200), r1) sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f0000000200)={0x0, 0x0, &(0x7f00000001c0)={&(0x7f0000000140)={0x1c, r2, 0x1, 0xd4d137d2, 0x0, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x1c}}, 0x0) [ 1293.894022] block nbd3: not configured, cannot reconfigure 08:02:11 executing program 5: r0 = syz_open_dev$ndb(&(0x7f00000002c0), 0x0, 0x0) ioctl$NBD_SET_SOCK(r0, 0x5421, 0xffffffffffffffff) ioctl$AUTOFS_DEV_IOCTL_PROTOVER(0xffffffffffffffff, 0xc0189372, &(0x7f0000000040)=ANY=[@ANYBLOB="010000001400000899ba0e1395c8fef033cc586bdd3ced8bab60fada65bbaeeaa468d47f5792bc78f1f51316712a7aa8626c2a3b6ff2958ec58ac899aa26237026b4f47c3e079f83e4eb9068e06660b1aa8d90b38be2b5f98d4a0e05de25261bfe6c8422e0affaee835d51928bbe66530fe4deac8ae1", @ANYRES32=r0, @ANYBLOB="00001000000000002e2f66696c653000"]) (async) ioctl$NBD_CLEAR_SOCK(0xffffffffffffffff, 0xab04) (async, rerun: 64) r1 = ioctl$TIOCGPTPEER(0xffffffffffffffff, 0x5441, 0xfffffffffffffff7) (rerun: 64) ioctl$KDSETKEYCODE(r1, 0x4b4d, &(0x7f0000000000)={0xfff, 0x100}) 08:02:11 executing program 0: r0 = syz_open_dev$ndb(&(0x7f00000002c0), 0x0, 0x20803) ioctl$NBD_SET_SOCK(r0, 0x5452, 0xffffffffffffffff) [ 1294.000137] block nbd1: not configured, cannot reconfigure 08:02:11 executing program 1: syz_open_dev$ndb(&(0x7f00000002c0), 0x0, 0x0) r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000200), r1) sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f0000000200)={0x0, 0x0, &(0x7f00000001c0)={&(0x7f0000000140)={0x1c, r2, 0x1, 0x7a000000, 0x0, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x1c}}, 0x0) 08:02:11 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000200), r1) sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f0000000200)={0x0, 0x0, &(0x7f00000001c0)={&(0x7f0000000140)={0x1c, r2, 0x1, 0xf0ffffff, 0x0, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x1c}}, 0x0) 08:02:11 executing program 4: syz_open_dev$ndb(&(0x7f00000002c0), 0x0, 0x0) r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000200), r1) sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f0000000200)={0x0, 0xfffffff0, &(0x7f00000001c0)={&(0x7f0000000140)={0x1c, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x1c}}, 0x0) [ 1294.045208] block nbd4: not configured, cannot reconfigure [ 1294.052478] block nbd3: not configured, cannot reconfigure 08:02:11 executing program 2: r0 = openat$ptmx(0xffffffffffffff9c, &(0x7f0000000040), 0x0, 0x0) (async, rerun: 32) r1 = syz_open_dev$ttys(0xc, 0x2, 0x0) (rerun: 32) ioctl$TCSETSW(r1, 0x5403, &(0x7f0000000540)={0x0, 0x0, 0xffffffff, 0x9, 0x0, "baf26a10e07ba77f1de09b779f3357c9c5a583"}) ioctl$KDSKBENT(r0, 0x4b47, &(0x7f0000000000)={0x5, 0x20, 0x101}) ioctl$TIOCGPTPEER(r0, 0x5441, 0x3) 08:02:11 executing program 0: r0 = syz_open_dev$ndb(&(0x7f00000002c0), 0x0, 0x0) r1 = syz_open_dev$vcsn(&(0x7f0000000000), 0x1008, 0x10000) ioctl$NBD_CLEAR_QUE(r1, 0xab05) ioctl$NBD_SET_SOCK(r0, 0x5452, 0xffffffffffffffff) r2 = syz_open_dev$vcsn(&(0x7f0000000140), 0x1, 0x0) ioctl$MEDIA_IOC_REQUEST_ALLOC(r2, 0x80047c05, &(0x7f0000000180)) ioctl$NBD_SET_SOCK(r2, 0xab00, r1) r3 = syz_init_net_socket$nl_rdma(0x10, 0x3, 0x10) sendmsg$BATADV_CMD_TP_METER_CANCEL(r3, &(0x7f0000001900)={&(0x7f0000001800), 0xc, 0x0}, 0x0) sendmsg$RDMA_NLDEV_CMD_RES_PD_GET(r3, &(0x7f0000000140)={&(0x7f0000000080), 0xc, &(0x7f0000000100)={&(0x7f00000000c0)={0x18, 0x140e, 0x0, 0x70bd27, 0x25dfdbfe, "", [@RDMA_NLDEV_ATTR_PORT_INDEX={0x8, 0x3, 0x2}]}, 0x18}, 0x1, 0x0, 0x0, 0x20040000}, 0x40) seccomp$SECCOMP_GET_ACTION_AVAIL(0x2, 0x0, &(0x7f0000000040)=0x8) 08:02:11 executing program 5: mmap$KVM_VCPU(&(0x7f0000fff000/0x1000)=nil, 0x930, 0x2000000, 0x4010, 0xffffffffffffffff, 0x0) r0 = syz_open_dev$ndb(&(0x7f00000002c0), 0x0, 0x0) ioctl$NBD_SET_SOCK(r0, 0x5421, 0xffffffffffffffff) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r4 = syz_genetlink_get_family_id$nbd(&(0x7f0000000200), r3) sendmsg$NBD_CMD_DISCONNECT(r2, &(0x7f00000004c0)={&(0x7f00000003c0), 0xc, &(0x7f0000000480)={&(0x7f0000000400)={0x28, r4, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_BLOCK_SIZE_BYTES={0xc}, @NBD_ATTR_BACKEND_IDENTIFIER={0x5, 0xa, '^'}]}, 0x28}}, 0x0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f00000001c0)={&(0x7f0000000080)={0x10, 0x0, 0x0, 0x100000}, 0xc, &(0x7f0000000180)={&(0x7f00000000c0)={0x90, r4, 0x2, 0x70bd2c, 0x25dfdbfe, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x3}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x101}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0xffff}, @NBD_ATTR_BACKEND_IDENTIFIER={0xc, 0xa, 'keyring\x00'}, @NBD_ATTR_SOCKETS={0x1c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}]}]}, 0x90}, 0x1, 0x0, 0x0, 0x20008041}, 0x20004000) keyctl$link(0x8, 0x0, 0xfffffffffffffff8) r5 = add_key$keyring(&(0x7f0000000000), &(0x7f0000000040)={'syz', 0x0}, 0x0, 0x0, 0xfffffffffffffff9) keyctl$link(0x8, 0x0, r5) 08:02:11 executing program 1: syz_open_dev$ndb(&(0x7f00000002c0), 0x0, 0x0) r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000200), r1) sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f0000000200)={0x0, 0x0, &(0x7f00000001c0)={&(0x7f0000000140)={0x1c, r2, 0x1, 0x9effffff, 0x0, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x1c}}, 0x0) [ 1294.148254] block nbd1: not configured, cannot reconfigure [ 1294.182269] block nbd4: not configured, cannot reconfigure 08:02:11 executing program 0: r0 = syz_open_dev$ndb(&(0x7f00000002c0), 0x0, 0x0) r1 = syz_open_dev$vcsn(&(0x7f0000000000), 0x1008, 0x10000) ioctl$NBD_CLEAR_QUE(r1, 0xab05) (async) ioctl$NBD_SET_SOCK(r0, 0x5452, 0xffffffffffffffff) r2 = syz_open_dev$vcsn(&(0x7f0000000140), 0x1, 0x0) ioctl$MEDIA_IOC_REQUEST_ALLOC(r2, 0x80047c05, &(0x7f0000000180)) ioctl$NBD_SET_SOCK(r2, 0xab00, r1) (async) r3 = syz_init_net_socket$nl_rdma(0x10, 0x3, 0x10) sendmsg$BATADV_CMD_TP_METER_CANCEL(r3, &(0x7f0000001900)={&(0x7f0000001800), 0xc, 0x0}, 0x0) (async) sendmsg$RDMA_NLDEV_CMD_RES_PD_GET(r3, &(0x7f0000000140)={&(0x7f0000000080), 0xc, &(0x7f0000000100)={&(0x7f00000000c0)={0x18, 0x140e, 0x0, 0x70bd27, 0x25dfdbfe, "", [@RDMA_NLDEV_ATTR_PORT_INDEX={0x8, 0x3, 0x2}]}, 0x18}, 0x1, 0x0, 0x0, 0x20040000}, 0x40) seccomp$SECCOMP_GET_ACTION_AVAIL(0x2, 0x0, &(0x7f0000000040)=0x8) [ 1294.213369] block nbd3: not configured, cannot reconfigure 08:02:11 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000200), r1) sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f0000000200)={0x0, 0x0, &(0x7f00000001c0)={&(0x7f0000000140)={0x1c, r2, 0x1, 0xfffff000, 0x0, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x1c}}, 0x0) 08:02:11 executing program 4: syz_open_dev$ndb(&(0x7f00000002c0), 0x0, 0x0) r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000200), r1) sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f0000000200)={0x0, 0xffffffff, &(0x7f00000001c0)={&(0x7f0000000140)={0x1c, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x1c}}, 0x0) [ 1294.262984] nbd: must specify an index to disconnect 08:02:11 executing program 5: mmap$KVM_VCPU(&(0x7f0000fff000/0x1000)=nil, 0x930, 0x2000000, 0x4010, 0xffffffffffffffff, 0x0) (async) r0 = syz_open_dev$ndb(&(0x7f00000002c0), 0x0, 0x0) ioctl$NBD_SET_SOCK(r0, 0x5421, 0xffffffffffffffff) (async) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r4 = syz_genetlink_get_family_id$nbd(&(0x7f0000000200), r3) sendmsg$NBD_CMD_DISCONNECT(r2, &(0x7f00000004c0)={&(0x7f00000003c0), 0xc, &(0x7f0000000480)={&(0x7f0000000400)={0x28, r4, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_BLOCK_SIZE_BYTES={0xc}, @NBD_ATTR_BACKEND_IDENTIFIER={0x5, 0xa, '^'}]}, 0x28}}, 0x0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f00000001c0)={&(0x7f0000000080)={0x10, 0x0, 0x0, 0x100000}, 0xc, &(0x7f0000000180)={&(0x7f00000000c0)={0x90, r4, 0x2, 0x70bd2c, 0x25dfdbfe, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x3}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x101}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0xffff}, @NBD_ATTR_BACKEND_IDENTIFIER={0xc, 0xa, 'keyring\x00'}, @NBD_ATTR_SOCKETS={0x1c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}]}]}, 0x90}, 0x1, 0x0, 0x0, 0x20008041}, 0x20004000) (async) keyctl$link(0x8, 0x0, 0xfffffffffffffff8) (async) r5 = add_key$keyring(&(0x7f0000000000), &(0x7f0000000040)={'syz', 0x0}, 0x0, 0x0, 0xfffffffffffffff9) keyctl$link(0x8, 0x0, r5) 08:02:11 executing program 1: syz_open_dev$ndb(&(0x7f00000002c0), 0x0, 0x0) r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000200), r1) sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f0000000200)={0x0, 0x0, &(0x7f00000001c0)={&(0x7f0000000140)={0x1c, r2, 0x1, 0xc20b7765, 0x0, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x1c}}, 0x0) [ 1294.300996] block nbd1: not configured, cannot reconfigure 08:02:11 executing program 0: r0 = syz_open_dev$ndb(&(0x7f00000002c0), 0x0, 0x0) (async, rerun: 64) r1 = syz_open_dev$vcsn(&(0x7f0000000000), 0x1008, 0x10000) (rerun: 64) ioctl$NBD_CLEAR_QUE(r1, 0xab05) ioctl$NBD_SET_SOCK(r0, 0x5452, 0xffffffffffffffff) r2 = syz_open_dev$vcsn(&(0x7f0000000140), 0x1, 0x0) ioctl$MEDIA_IOC_REQUEST_ALLOC(r2, 0x80047c05, &(0x7f0000000180)) (async, rerun: 32) ioctl$NBD_SET_SOCK(r2, 0xab00, r1) (async, rerun: 32) r3 = syz_init_net_socket$nl_rdma(0x10, 0x3, 0x10) sendmsg$BATADV_CMD_TP_METER_CANCEL(r3, &(0x7f0000001900)={&(0x7f0000001800), 0xc, 0x0}, 0x0) (async) sendmsg$RDMA_NLDEV_CMD_RES_PD_GET(r3, &(0x7f0000000140)={&(0x7f0000000080), 0xc, &(0x7f0000000100)={&(0x7f00000000c0)={0x18, 0x140e, 0x0, 0x70bd27, 0x25dfdbfe, "", [@RDMA_NLDEV_ATTR_PORT_INDEX={0x8, 0x3, 0x2}]}, 0x18}, 0x1, 0x0, 0x0, 0x20040000}, 0x40) (async) seccomp$SECCOMP_GET_ACTION_AVAIL(0x2, 0x0, &(0x7f0000000040)=0x8) 08:02:11 executing program 4: syz_open_dev$ndb(&(0x7f00000002c0), 0x0, 0x0) r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000200), r1) sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f0000000200)={0x0, 0x0, &(0x7f00000001c0)={&(0x7f0000000140)={0xf, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x1c}}, 0x0) 08:02:11 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000200), r1) sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f0000000200)={0x0, 0x0, &(0x7f00000001c0)={&(0x7f0000000140)={0x1c, r2, 0x1, 0xffffff7f, 0x0, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x1c}}, 0x0) 08:02:11 executing program 2: r0 = openat$ptmx(0xffffffffffffff9c, &(0x7f0000000040), 0x0, 0x0) (async) r1 = syz_open_dev$ttys(0xc, 0x2, 0x0) ioctl$TCSETSW(r1, 0x5403, &(0x7f0000000540)={0x0, 0x0, 0xffffffff, 0x9, 0x0, "baf26a10e07ba77f1de09b779f3357c9c5a583"}) ioctl$KDSKBENT(r0, 0x4b47, &(0x7f0000000000)={0x5, 0x20, 0x101}) (async) ioctl$TIOCGPTPEER(r0, 0x5441, 0x3) [ 1294.356233] block nbd3: not configured, cannot reconfigure [ 1294.388965] block nbd4: not configured, cannot reconfigure 08:02:12 executing program 5: mmap$KVM_VCPU(&(0x7f0000fff000/0x1000)=nil, 0x930, 0x2000000, 0x4010, 0xffffffffffffffff, 0x0) (async) r0 = syz_open_dev$ndb(&(0x7f00000002c0), 0x0, 0x0) ioctl$NBD_SET_SOCK(r0, 0x5421, 0xffffffffffffffff) (async) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r4 = syz_genetlink_get_family_id$nbd(&(0x7f0000000200), r3) sendmsg$NBD_CMD_DISCONNECT(r2, &(0x7f00000004c0)={&(0x7f00000003c0), 0xc, &(0x7f0000000480)={&(0x7f0000000400)={0x28, r4, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_BLOCK_SIZE_BYTES={0xc}, @NBD_ATTR_BACKEND_IDENTIFIER={0x5, 0xa, '^'}]}, 0x28}}, 0x0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f00000001c0)={&(0x7f0000000080)={0x10, 0x0, 0x0, 0x100000}, 0xc, &(0x7f0000000180)={&(0x7f00000000c0)={0x90, r4, 0x2, 0x70bd2c, 0x25dfdbfe, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x3}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x101}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0xffff}, @NBD_ATTR_BACKEND_IDENTIFIER={0xc, 0xa, 'keyring\x00'}, @NBD_ATTR_SOCKETS={0x1c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}]}]}, 0x90}, 0x1, 0x0, 0x0, 0x20008041}, 0x20004000) (async) keyctl$link(0x8, 0x0, 0xfffffffffffffff8) r5 = add_key$keyring(&(0x7f0000000000), &(0x7f0000000040)={'syz', 0x0}, 0x0, 0x0, 0xfffffffffffffff9) keyctl$link(0x8, 0x0, r5) [ 1294.442876] block nbd1: not configured, cannot reconfigure 08:02:12 executing program 1: syz_open_dev$ndb(&(0x7f00000002c0), 0x0, 0x0) r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000200), r1) sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f0000000200)={0x0, 0x0, &(0x7f00000001c0)={&(0x7f0000000140)={0x1c, r2, 0x1, 0xf0ffffff, 0x0, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x1c}}, 0x0) 08:02:12 executing program 4: syz_open_dev$ndb(&(0x7f00000002c0), 0x0, 0x0) r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000200), r1) sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f0000000200)={0x0, 0x0, &(0x7f00000001c0)={&(0x7f0000000140)={0x14, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x1c}}, 0x0) 08:02:12 executing program 2: r0 = openat$ptmx(0xffffffffffffff9c, &(0x7f0000000040), 0x0, 0x0) ioctl$TIOCGPTPEER(r0, 0x5441, 0xdbb8) r1 = syz_open_dev$ttys(0xc, 0x2, 0x1) ioctl$TCSETSW(r1, 0x5403, &(0x7f0000000540)={0x0, 0x0, 0xffffffff, 0x9, 0x0, "baf26a10e07ba77f1de09b779f3357c9c5a583"}) ioctl$KDSKBMETA(r1, 0x4b63, &(0x7f0000000000)=0x4) [ 1294.491624] block nbd3: not configured, cannot reconfigure 08:02:12 executing program 0: r0 = syz_open_dev$ndb(&(0x7f00000002c0), 0x0, 0x0) ioctl$NBD_SET_SOCK(r0, 0x5452, 0xffffffffffffffff) r1 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x2040) ioctl$NBD_SET_SOCK(r1, 0xab00, 0xffffffffffffffff) 08:02:12 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000200), r1) sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f0000000200)={0x0, 0x0, &(0x7f00000001c0)={&(0x7f0000000140)={0x1c, r2, 0x1, 0xffffff9e, 0x0, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x1c}}, 0x0) 08:02:12 executing program 1: syz_open_dev$ndb(&(0x7f00000002c0), 0x0, 0x0) r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000200), r1) sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f0000000200)={0x0, 0x0, &(0x7f00000001c0)={&(0x7f0000000140)={0x1c, r2, 0x1, 0xfffff000, 0x0, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x1c}}, 0x0) 08:02:12 executing program 2: r0 = openat$ptmx(0xffffffffffffff9c, &(0x7f0000000040), 0x0, 0x0) ioctl$TIOCGPTPEER(r0, 0x5441, 0xdbb8) r1 = syz_open_dev$ttys(0xc, 0x2, 0x1) ioctl$TCSETSW(r1, 0x5403, &(0x7f0000000540)={0x0, 0x0, 0xffffffff, 0x9, 0x0, "baf26a10e07ba77f1de09b779f3357c9c5a583"}) ioctl$KDSKBMETA(r1, 0x4b63, &(0x7f0000000000)=0x4) [ 1294.584313] block nbd1: not configured, cannot reconfigure [ 1294.610775] nbd: must specify an index to disconnect [ 1294.626412] nbd: must specify a device to reconfigure 08:02:12 executing program 0: r0 = syz_open_dev$ndb(&(0x7f00000002c0), 0x0, 0x0) ioctl$NBD_SET_SOCK(r0, 0x5452, 0xffffffffffffffff) (async) r1 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x2040) ioctl$NBD_SET_SOCK(r1, 0xab00, 0xffffffffffffffff) 08:02:12 executing program 5: r0 = syz_open_dev$ndb(&(0x7f00000002c0), 0x0, 0x0) ioctl$KDSKBMETA(0xffffffffffffffff, 0x4b63, &(0x7f0000000000)=0x3) r1 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x420100) r2 = open(&(0x7f0000000080)='./file0\x00', 0x428041, 0x4) ioctl$PIO_FONTX(r2, 0x4b6c, &(0x7f00000000c0)={0x84, 0x6, &(0x7f0000000300)="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"}) ioctl$NBD_CLEAR_QUE(r1, 0xab05) ioctl$NBD_SET_SOCK(r0, 0x5421, 0xffffffffffffffff) 08:02:12 executing program 4: syz_open_dev$ndb(&(0x7f00000002c0), 0x0, 0x0) r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000200), r1) sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f0000000200)={0x0, 0x0, &(0x7f00000001c0)={&(0x7f0000000140)={0x3e, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x1c}}, 0x0) [ 1294.655112] block nbd3: not configured, cannot reconfigure 08:02:12 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000200), r1) sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f0000000200)={0x0, 0x0, &(0x7f00000001c0)={&(0x7f0000000140)={0x1c, r2, 0x1, 0xfffffff0, 0x0, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x1c}}, 0x0) 08:02:12 executing program 2: r0 = openat$ptmx(0xffffffffffffff9c, &(0x7f0000000040), 0x0, 0x0) ioctl$TIOCGPTPEER(r0, 0x5441, 0xdbb8) r1 = syz_open_dev$ttys(0xc, 0x2, 0x1) ioctl$TCSETSW(r1, 0x5403, &(0x7f0000000540)={0x0, 0x0, 0xffffffff, 0x9, 0x0, "baf26a10e07ba77f1de09b779f3357c9c5a583"}) (async) ioctl$KDSKBMETA(r1, 0x4b63, &(0x7f0000000000)=0x4) [ 1294.695578] block nbd1: not configured, cannot reconfigure 08:02:12 executing program 1: syz_open_dev$ndb(&(0x7f00000002c0), 0x0, 0x0) r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000200), r1) sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f0000000200)={0x0, 0x0, &(0x7f00000001c0)={&(0x7f0000000140)={0x1c, r2, 0x1, 0xffffff7f, 0x0, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x1c}}, 0x0) 08:02:12 executing program 5: r0 = syz_open_dev$ndb(&(0x7f00000002c0), 0x0, 0x0) ioctl$KDSKBMETA(0xffffffffffffffff, 0x4b63, &(0x7f0000000000)=0x3) (async) ioctl$KDSKBMETA(0xffffffffffffffff, 0x4b63, &(0x7f0000000000)=0x3) r1 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x420100) open(&(0x7f0000000080)='./file0\x00', 0x428041, 0x4) (async) r2 = open(&(0x7f0000000080)='./file0\x00', 0x428041, 0x4) ioctl$PIO_FONTX(r2, 0x4b6c, &(0x7f00000000c0)={0x84, 0x6, &(0x7f0000000300)="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"}) ioctl$NBD_CLEAR_QUE(r1, 0xab05) ioctl$NBD_SET_SOCK(r0, 0x5421, 0xffffffffffffffff) 08:02:12 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000200), r1) sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f0000000200)={0x0, 0x0, &(0x7f00000001c0)={&(0x7f0000000140)={0x1c, r2, 0x1, 0xffffffff, 0x0, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x1c}}, 0x0) 08:02:12 executing program 0: r0 = syz_open_dev$ndb(&(0x7f00000002c0), 0x0, 0x0) ioctl$NBD_SET_SOCK(r0, 0x5452, 0xffffffffffffffff) r1 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x2040) ioctl$NBD_SET_SOCK(r1, 0xab00, 0xffffffffffffffff) 08:02:12 executing program 4: syz_open_dev$ndb(&(0x7f00000002c0), 0x0, 0x0) r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000200), r1) sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f0000000200)={0x0, 0x0, &(0x7f00000001c0)={&(0x7f0000000140)={0xc0, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x1c}}, 0x0) [ 1294.786566] block nbd3: not configured, cannot reconfigure 08:02:12 executing program 2: r0 = openat$ptmx(0xffffffffffffff9c, &(0x7f0000000040), 0x0, 0x0) ioctl$TIOCGPTPEER(r0, 0x5441, 0xdbb8) r1 = syz_open_dev$tty20(0xc, 0x4, 0x1) ioctl$TCSETSF(r1, 0x5404, &(0x7f0000000900)={0x0, 0x0, 0x0, 0x0, 0x0, "9750da5e3b38a0e557884e87596d6020c84d50"}) ioctl$KDSIGACCEPT(r1, 0x4b4e, 0x3d) 08:02:12 executing program 1: syz_open_dev$ndb(&(0x7f00000002c0), 0x0, 0x0) r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000200), r1) sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f0000000200)={0x0, 0x0, &(0x7f00000001c0)={&(0x7f0000000140)={0x1c, r2, 0x1, 0xffffff9e, 0x0, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x1c}}, 0x0) [ 1294.851348] block nbd1: not configured, cannot reconfigure 08:02:12 executing program 5: r0 = syz_open_dev$ndb(&(0x7f00000002c0), 0x0, 0x0) ioctl$KDSKBMETA(0xffffffffffffffff, 0x4b63, &(0x7f0000000000)=0x3) r1 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x420100) r2 = open(&(0x7f0000000080)='./file0\x00', 0x428041, 0x4) ioctl$PIO_FONTX(r2, 0x4b6c, &(0x7f00000000c0)={0x84, 0x6, &(0x7f0000000300)="4d83ee987d950d21e1eafd6ae67b9765b2e4811de8c08ea148f0a377e5f9426efe628da1a8f0a222ccea351de5d7ebbb14ff7ed2461da5f604df891ada4251514613dabf7c93abe4f55a51583bd47f2d184f3525f4f9d04a1cc5a06d655c6d0926bdbfff00b256bdb0c82631126fd363b97a885b64c86b98d145cbc53ad2fd6bd5b95467fe23065b1be773cf0936f05657d069b2a7eb15524688f1ea21f61309a083be811c1e33d50f6f29d54b70248447239bd906e234fe056d353e54a832deb46d45cd4c0b166ddd589f76cca565348241f036273859e7af82ee9267bc308f43449fc6dc741eb2921aba601a4699af7a94f6ed19048a6b623f296b465a9d918683dd5658cb174d2ac33728a4ac026bcf7e93280db735b3b586b95876e632cff17487d620b8ef554d9361f4dedc1c9b8ee5d779864712a887b39a28e6158214b49f4681cbf43a47ea90ada4c2cdc74a8036abe2bc56e024fb2829bae6e3fad55641e4b65d96e70498a900018a647f4f432d84f73eee9f6f9f595e04037ffcec3729a33a2b7087b4623c5d393289e1b78c3445ba9e0f948ffc9078bde359a5c8a1821dfc5d76a7ba3621a38b0053aebc3bf9261065b92a9e194ed0bf6e97dec59e9d4754dd503f8a6673c1b92bff7f48a97b2430b69ea6ad652840cb38f019aba7276af7e8e2535396f9be7c01c1fd7179d76578488d8754d1f020b93a034eccd45a67a7ec4566f39308bccd66f1129434b6c225545671bfcd8a728d34af32d44deeac911ecdf89873dd3672290d4cca20264f820cfe93bc1a42bc60218940f343cd72058fe407739c8574084c3a630ea7b1d80e21de592532d4cafda614f815ce6ece2977c977c20ff89310367d49acb9d85ecc77ec3830f53c21e6fbcdd27eb2d0cf2ce8e1106b5ad57644dbee3a11ecb6fce958d1668b93ec56377b83db27cb66f3c24e49f489ea4de9b3926287be18d6a711f52dc1c380d78f08e86d5cd479faf926c2bc76db674080e32f41fa973f27f9ab1d49e910cf3238fc8b286a5402fde22353bdf9c194d8f74a012847717b10da12e2fe359adc87e3e07314cb9df5375982967b6296c4fac66c2a5f8795ef70336d8a20446c61c846117699d0c70279840f306bc34f186c003e3299e4b5163e24d3ca78b5a71b62709d2e5a9d900ec0ed2cf62ab025d7d5a2d7a7bb38ba8739bb8c09194f69b2c6f1bb62eaccea92850830d9382c83e96afc6ea9a97fc8946196dce0ad7d2d48c8500af6684d3b2041af7e85664285c3563000c31769616389495674fb8a981ff4fe5c595e03efb03337c8de9318511b4090190543ce5b5d7749b0182f6eefb21308cf978c37defffc8d05a7dd315a6d80d8196d67bd9f01fdf23814622c1634c54484622b2e32c1e262241ba4fd4b4c2d6c6b866de0f78847b88133e74cf5520d96dba4a7f1e8"}) ioctl$NBD_CLEAR_QUE(r1, 0xab05) ioctl$NBD_SET_SOCK(r0, 0x5421, 0xffffffffffffffff) syz_open_dev$ndb(&(0x7f00000002c0), 0x0, 0x0) (async) ioctl$KDSKBMETA(0xffffffffffffffff, 0x4b63, &(0x7f0000000000)=0x3) (async) syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x420100) (async) open(&(0x7f0000000080)='./file0\x00', 0x428041, 0x4) (async) ioctl$PIO_FONTX(r2, 0x4b6c, &(0x7f00000000c0)={0x84, 0x6, &(0x7f0000000300)="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"}) (async) ioctl$NBD_CLEAR_QUE(r1, 0xab05) (async) ioctl$NBD_SET_SOCK(r0, 0x5421, 0xffffffffffffffff) (async) 08:02:12 executing program 4: syz_open_dev$ndb(&(0x7f00000002c0), 0x0, 0x0) r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000200), r1) sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f0000000200)={0x0, 0x0, &(0x7f00000001c0)={&(0x7f0000000140)={0xec0, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x1c}}, 0x0) [ 1294.910590] block nbd3: not configured, cannot reconfigure 08:02:12 executing program 0: r0 = syz_open_dev$ndb(&(0x7f00000002c0), 0x0, 0x0) ioctl$NBD_SET_SOCK(r0, 0x5452, 0xffffffffffffffff) r1 = socket$nl_rdma(0x10, 0x3, 0x14) ioctl$ifreq_SIOCGIFINDEX_batadv_hard(r1, 0x8933, &(0x7f0000000000)={'batadv_slave_1\x00'}) 08:02:12 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000200), r1) sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f0000000200)={0x0, 0x0, &(0x7f00000001c0)={&(0x7f0000000140)={0x1c, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x1c}}, 0x0) 08:02:12 executing program 2: r0 = openat$ptmx(0xffffffffffffff9c, &(0x7f0000000040), 0x0, 0x0) ioctl$TIOCGPTPEER(r0, 0x5441, 0xdbb8) r1 = syz_open_dev$tty20(0xc, 0x4, 0x1) ioctl$TCSETSF(r1, 0x5404, &(0x7f0000000900)={0x0, 0x0, 0x0, 0x0, 0x0, "9750da5e3b38a0e557884e87596d6020c84d50"}) ioctl$KDSIGACCEPT(r1, 0x4b4e, 0x3d) openat$ptmx(0xffffffffffffff9c, &(0x7f0000000040), 0x0, 0x0) (async) ioctl$TIOCGPTPEER(r0, 0x5441, 0xdbb8) (async) syz_open_dev$tty20(0xc, 0x4, 0x1) (async) ioctl$TCSETSF(r1, 0x5404, &(0x7f0000000900)={0x0, 0x0, 0x0, 0x0, 0x0, "9750da5e3b38a0e557884e87596d6020c84d50"}) (async) ioctl$KDSIGACCEPT(r1, 0x4b4e, 0x3d) (async) [ 1294.959715] block nbd1: not configured, cannot reconfigure 08:02:12 executing program 1: syz_open_dev$ndb(&(0x7f00000002c0), 0x0, 0x0) r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000200), r1) sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f0000000200)={0x0, 0x0, &(0x7f00000001c0)={&(0x7f0000000140)={0x1c, r2, 0x1, 0xfffffff0, 0x0, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x1c}}, 0x0) 08:02:12 executing program 4: syz_open_dev$ndb(&(0x7f00000002c0), 0x0, 0x0) r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000200), r1) sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f0000000200)={0x0, 0x0, &(0x7f00000001c0)={&(0x7f0000000140)={0x33fe0, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x1c}}, 0x0) 08:02:12 executing program 5: r0 = syz_open_dev$ndb(&(0x7f00000002c0), 0x0, 0x0) ioctl$NBD_SET_SOCK(r0, 0x5421, 0xffffffffffffffff) ioctl$USBDEVFS_FREE_STREAMS(0xffffffffffffffff, 0x8008551d, &(0x7f0000000040)=ANY=[@ANYBLOB="321c00000b000000060928e63e372dfe599cc938f1b65ec904f1df0d27968f67d3e740e57070d12ada1925ce86ebab091f729c3d1be9beccbaf582309037a364e8ee6194ac5e7c0906ca287036433bc0293d2b6509bf9baa02654a4e39424b88fb5190f54a0190410b7bb29c80bc6678e976fea0634d2ce2e15aa6d979de19200d9a7b"]) 08:02:12 executing program 0: r0 = syz_open_dev$ndb(&(0x7f00000002c0), 0x0, 0x0) ioctl$NBD_SET_SOCK(r0, 0x5452, 0xffffffffffffffff) (async) r1 = socket$nl_rdma(0x10, 0x3, 0x14) ioctl$ifreq_SIOCGIFINDEX_batadv_hard(r1, 0x8933, &(0x7f0000000000)={'batadv_slave_1\x00'}) [ 1295.047340] block nbd3: not configured, cannot reconfigure 08:02:12 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000200), r1) sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f0000000200)={0x0, 0x0, &(0x7f00000001c0)={&(0x7f0000000140)={0x1c, r2, 0x1, 0x0, 0x2, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x1c}}, 0x0) 08:02:12 executing program 2: r0 = openat$ptmx(0xffffffffffffff9c, &(0x7f0000000040), 0x0, 0x0) ioctl$TIOCGPTPEER(r0, 0x5441, 0xdbb8) (async) r1 = syz_open_dev$tty20(0xc, 0x4, 0x1) ioctl$TCSETSF(r1, 0x5404, &(0x7f0000000900)={0x0, 0x0, 0x0, 0x0, 0x0, "9750da5e3b38a0e557884e87596d6020c84d50"}) (async) ioctl$KDSIGACCEPT(r1, 0x4b4e, 0x3d) 08:02:12 executing program 1: syz_open_dev$ndb(&(0x7f00000002c0), 0x0, 0x0) r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000200), r1) sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f0000000200)={0x0, 0x0, &(0x7f00000001c0)={&(0x7f0000000140)={0x1c, r2, 0x1, 0xffffffff, 0x0, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x1c}}, 0x0) [ 1295.099873] block nbd1: not configured, cannot reconfigure 08:02:12 executing program 4: syz_open_dev$ndb(&(0x7f00000002c0), 0x0, 0x0) r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000200), r1) sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f0000000200)={0x0, 0x0, &(0x7f00000001c0)={&(0x7f0000000140)={0x2000015c, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x1c}}, 0x0) 08:02:12 executing program 5: r0 = syz_open_dev$ndb(&(0x7f00000002c0), 0x0, 0x0) ioctl$NBD_SET_SOCK(r0, 0x5421, 0xffffffffffffffff) (async, rerun: 64) ioctl$USBDEVFS_FREE_STREAMS(0xffffffffffffffff, 0x8008551d, &(0x7f0000000040)=ANY=[@ANYBLOB="321c00000b000000060928e63e372dfe599cc938f1b65ec904f1df0d27968f67d3e740e57070d12ada1925ce86ebab091f729c3d1be9beccbaf582309037a364e8ee6194ac5e7c0906ca287036433bc0293d2b6509bf9baa02654a4e39424b88fb5190f54a0190410b7bb29c80bc6678e976fea0634d2ce2e15aa6d979de19200d9a7b"]) (rerun: 64) 08:02:12 executing program 0: r0 = syz_open_dev$ndb(&(0x7f00000002c0), 0x0, 0x0) ioctl$NBD_SET_SOCK(r0, 0x5452, 0xffffffffffffffff) r1 = socket$nl_rdma(0x10, 0x3, 0x14) ioctl$ifreq_SIOCGIFINDEX_batadv_hard(r1, 0x8933, &(0x7f0000000000)={'batadv_slave_1\x00'}) [ 1295.180066] block nbd3: not configured, cannot reconfigure 08:02:12 executing program 2: r0 = openat$ptmx(0xffffffffffffff9c, &(0x7f0000000040), 0x0, 0x0) r1 = ioctl$TIOCGPTPEER(r0, 0x5441, 0xdbb8) r2 = syz_open_dev$tty20(0xc, 0x4, 0x1) r3 = ioctl$TIOCGPTPEER(r1, 0x5441, 0x1000) ioctl$KDSKBENT(r3, 0x4b47, &(0x7f00000001c0)={0x88, 0x7e}) ioctl$PIO_SCRNMAP(r2, 0x4b41, &(0x7f00000000c0)="e7af1f34e8724b16e77d5105c9e3df5767c60f4658e375d5268f1c1b17b927f235392a08ead2fe3d1a56912675c4b490a22a90ad8c7e255be29e986f7765ceb019bdb4515409c15cec2407098c92bf04a18042cfd9678577cc01cbd24889c6446d85737a26945392a363cab45a9aa05bf02ddda644015d25eab83529f8a4b031ed2d5d4f37dfdb47f78f6ccb2151c9d1f0b30da14d2173140d22e5504dfe632a85e15a323cbfc41debda5dc6a33946efbd00c8e97516a4cc967db3a0b8030f5ca4624e67f99ebafa4aa3d4f556ebc249bbcaf61f") ioctl$FIONREAD(r1, 0x541b, &(0x7f0000000080)) ioctl$TCSETSF(r2, 0x5404, &(0x7f0000000900)={0x0, 0x0, 0x0, 0x0, 0x0, "9750da5e3b38a0e557884e87596d6020c84d50"}) ioctl$TCSETSW(r2, 0x5403, &(0x7f0000000000)={0x10001, 0x5, 0x3ff, 0xa0, 0x5, "e8e2e1a53c21e9ffaacd0278f0acae012faafc"}) 08:02:12 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000200), r1) sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f0000000200)={0x0, 0x0, &(0x7f00000001c0)={&(0x7f0000000140)={0x1c, r2, 0x1, 0x0, 0x3, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x1c}}, 0x0) 08:02:12 executing program 1: syz_open_dev$ndb(&(0x7f00000002c0), 0x0, 0x0) r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000200), r1) sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f0000000200)={0x0, 0x0, &(0x7f00000001c0)={&(0x7f0000000140)={0x1c, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x1c}}, 0x0) [ 1295.227406] block nbd1: not configured, cannot reconfigure 08:02:12 executing program 4: syz_open_dev$ndb(&(0x7f00000002c0), 0x0, 0x0) r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000200), r1) sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f0000000200)={0x0, 0x0, &(0x7f00000001c0)={&(0x7f0000000140)={0x7ffff000, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x1c}}, 0x0) 08:02:12 executing program 5: r0 = syz_open_dev$ndb(&(0x7f00000002c0), 0x0, 0x0) ioctl$NBD_SET_SOCK(r0, 0x5421, 0xffffffffffffffff) (async) ioctl$USBDEVFS_FREE_STREAMS(0xffffffffffffffff, 0x8008551d, &(0x7f0000000040)=ANY=[@ANYBLOB="321c00000b000000060928e63e372dfe599cc938f1b65ec904f1df0d27968f67d3e740e57070d12ada1925ce86ebab091f729c3d1be9beccbaf582309037a364e8ee6194ac5e7c0906ca287036433bc0293d2b6509bf9baa02654a4e39424b88fb5190f54a0190410b7bb29c80bc6678e976fea0634d2ce2e15aa6d979de19200d9a7b"]) 08:02:12 executing program 0: ioctl$NBD_SET_SOCK(0xffffffffffffffff, 0x5452, 0xffffffffffffffff) r0 = socket(0x11, 0x6, 0x1b53) sendmsg$BATADV_CMD_SET_HARDIF(r0, &(0x7f00000000c0)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x800000}, 0xc, &(0x7f0000000080)={&(0x7f0000000040)={0x34, 0x0, 0x10, 0x70bd26, 0x25dfdbfb, {}, [@BATADV_ATTR_GW_BANDWIDTH_UP={0x8, 0x32, 0x4}, @BATADV_ATTR_ELP_INTERVAL={0x8}, @BATADV_ATTR_DISTRIBUTED_ARP_TABLE_ENABLED={0x5, 0x2f, 0x1}, @BATADV_ATTR_NETWORK_CODING_ENABLED={0x5, 0x38, 0x1}]}, 0x34}, 0x1, 0x0, 0x0, 0x20008050}, 0x40001) 08:02:12 executing program 4: syz_open_dev$ndb(&(0x7f00000002c0), 0x0, 0x0) r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000200), r1) sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f0000000200)={0x0, 0x0, &(0x7f00000001c0)={&(0x7f0000000140)={0xfffffdef, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x1c}}, 0x0) 08:02:12 executing program 2: r0 = openat$ptmx(0xffffffffffffff9c, &(0x7f0000000040), 0x0, 0x0) r1 = ioctl$TIOCGPTPEER(r0, 0x5441, 0xdbb8) r2 = syz_open_dev$tty20(0xc, 0x4, 0x1) r3 = ioctl$TIOCGPTPEER(r1, 0x5441, 0x1000) ioctl$KDSKBENT(r3, 0x4b47, &(0x7f00000001c0)={0x88, 0x7e}) ioctl$PIO_SCRNMAP(r2, 0x4b41, &(0x7f00000000c0)="e7af1f34e8724b16e77d5105c9e3df5767c60f4658e375d5268f1c1b17b927f235392a08ead2fe3d1a56912675c4b490a22a90ad8c7e255be29e986f7765ceb019bdb4515409c15cec2407098c92bf04a18042cfd9678577cc01cbd24889c6446d85737a26945392a363cab45a9aa05bf02ddda644015d25eab83529f8a4b031ed2d5d4f37dfdb47f78f6ccb2151c9d1f0b30da14d2173140d22e5504dfe632a85e15a323cbfc41debda5dc6a33946efbd00c8e97516a4cc967db3a0b8030f5ca4624e67f99ebafa4aa3d4f556ebc249bbcaf61f") ioctl$FIONREAD(r1, 0x541b, &(0x7f0000000080)) ioctl$TCSETSF(r2, 0x5404, &(0x7f0000000900)={0x0, 0x0, 0x0, 0x0, 0x0, "9750da5e3b38a0e557884e87596d6020c84d50"}) ioctl$TCSETSW(r2, 0x5403, &(0x7f0000000000)={0x10001, 0x5, 0x3ff, 0xa0, 0x5, "e8e2e1a53c21e9ffaacd0278f0acae012faafc"}) openat$ptmx(0xffffffffffffff9c, &(0x7f0000000040), 0x0, 0x0) (async) ioctl$TIOCGPTPEER(r0, 0x5441, 0xdbb8) (async) syz_open_dev$tty20(0xc, 0x4, 0x1) (async) ioctl$TIOCGPTPEER(r1, 0x5441, 0x1000) (async) ioctl$KDSKBENT(r3, 0x4b47, &(0x7f00000001c0)={0x88, 0x7e}) (async) ioctl$PIO_SCRNMAP(r2, 0x4b41, &(0x7f00000000c0)="e7af1f34e8724b16e77d5105c9e3df5767c60f4658e375d5268f1c1b17b927f235392a08ead2fe3d1a56912675c4b490a22a90ad8c7e255be29e986f7765ceb019bdb4515409c15cec2407098c92bf04a18042cfd9678577cc01cbd24889c6446d85737a26945392a363cab45a9aa05bf02ddda644015d25eab83529f8a4b031ed2d5d4f37dfdb47f78f6ccb2151c9d1f0b30da14d2173140d22e5504dfe632a85e15a323cbfc41debda5dc6a33946efbd00c8e97516a4cc967db3a0b8030f5ca4624e67f99ebafa4aa3d4f556ebc249bbcaf61f") (async) ioctl$FIONREAD(r1, 0x541b, &(0x7f0000000080)) (async) ioctl$TCSETSF(r2, 0x5404, &(0x7f0000000900)={0x0, 0x0, 0x0, 0x0, 0x0, "9750da5e3b38a0e557884e87596d6020c84d50"}) (async) ioctl$TCSETSW(r2, 0x5403, &(0x7f0000000000)={0x10001, 0x5, 0x3ff, 0xa0, 0x5, "e8e2e1a53c21e9ffaacd0278f0acae012faafc"}) (async) 08:02:12 executing program 0: ioctl$NBD_SET_SOCK(0xffffffffffffffff, 0x5452, 0xffffffffffffffff) r0 = socket(0x11, 0x6, 0x1b53) sendmsg$BATADV_CMD_SET_HARDIF(r0, &(0x7f00000000c0)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x800000}, 0xc, &(0x7f0000000080)={&(0x7f0000000040)={0x34, 0x0, 0x10, 0x70bd26, 0x25dfdbfb, {}, [@BATADV_ATTR_GW_BANDWIDTH_UP={0x8, 0x32, 0x4}, @BATADV_ATTR_ELP_INTERVAL={0x8}, @BATADV_ATTR_DISTRIBUTED_ARP_TABLE_ENABLED={0x5, 0x2f, 0x1}, @BATADV_ATTR_NETWORK_CODING_ENABLED={0x5, 0x38, 0x1}]}, 0x34}, 0x1, 0x0, 0x0, 0x20008050}, 0x40001) 08:02:12 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000200), r1) sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f0000000200)={0x0, 0x0, &(0x7f00000001c0)={&(0x7f0000000140)={0x1c, r2, 0x1, 0x0, 0x4, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x1c}}, 0x0) [ 1295.344814] block nbd3: not configured, cannot reconfigure [ 1295.384088] block nbd1: not configured, cannot reconfigure 08:02:12 executing program 1: syz_open_dev$ndb(&(0x7f00000002c0), 0x0, 0x0) r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000200), r1) sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f0000000200)={0x0, 0x0, &(0x7f00000001c0)={&(0x7f0000000140)={0x1c, r2, 0x1, 0x0, 0x2, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x1c}}, 0x0) 08:02:12 executing program 5: r0 = syz_open_dev$ndb(&(0x7f00000002c0), 0x0, 0x0) syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x604000) ioctl$NBD_SET_SOCK(r0, 0x5421, 0xffffffffffffffff) 08:02:13 executing program 0: ioctl$NBD_SET_SOCK(0xffffffffffffffff, 0x5452, 0xffffffffffffffff) (async) r0 = socket(0x11, 0x6, 0x1b53) sendmsg$BATADV_CMD_SET_HARDIF(r0, &(0x7f00000000c0)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x800000}, 0xc, &(0x7f0000000080)={&(0x7f0000000040)={0x34, 0x0, 0x10, 0x70bd26, 0x25dfdbfb, {}, [@BATADV_ATTR_GW_BANDWIDTH_UP={0x8, 0x32, 0x4}, @BATADV_ATTR_ELP_INTERVAL={0x8}, @BATADV_ATTR_DISTRIBUTED_ARP_TABLE_ENABLED={0x5, 0x2f, 0x1}, @BATADV_ATTR_NETWORK_CODING_ENABLED={0x5, 0x38, 0x1}]}, 0x34}, 0x1, 0x0, 0x0, 0x20008050}, 0x40001) 08:02:13 executing program 4: syz_open_dev$ndb(&(0x7f00000002c0), 0x0, 0x0) r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000200), r1) sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f0000000200)={0x0, 0x0, &(0x7f00000001c0)={&(0x7f0000000140)={0x1c, r2, 0x2, 0x0, 0x0, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x1c}}, 0x0) 08:02:13 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000200), r1) sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f0000000200)={0x0, 0x0, &(0x7f00000001c0)={&(0x7f0000000140)={0x1c, r2, 0x1, 0x0, 0x5, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x1c}}, 0x0) [ 1295.491232] block nbd3: not configured, cannot reconfigure 08:02:13 executing program 5: r0 = syz_open_dev$ndb(&(0x7f00000002c0), 0x0, 0x0) syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x604000) ioctl$NBD_SET_SOCK(r0, 0x5421, 0xffffffffffffffff) 08:02:13 executing program 2: r0 = openat$ptmx(0xffffffffffffff9c, &(0x7f0000000040), 0x0, 0x0) r1 = ioctl$TIOCGPTPEER(r0, 0x5441, 0xdbb8) r2 = syz_open_dev$tty20(0xc, 0x4, 0x1) r3 = ioctl$TIOCGPTPEER(r1, 0x5441, 0x1000) ioctl$KDSKBENT(r3, 0x4b47, &(0x7f00000001c0)={0x88, 0x7e}) ioctl$PIO_SCRNMAP(r2, 0x4b41, &(0x7f00000000c0)="e7af1f34e8724b16e77d5105c9e3df5767c60f4658e375d5268f1c1b17b927f235392a08ead2fe3d1a56912675c4b490a22a90ad8c7e255be29e986f7765ceb019bdb4515409c15cec2407098c92bf04a18042cfd9678577cc01cbd24889c6446d85737a26945392a363cab45a9aa05bf02ddda644015d25eab83529f8a4b031ed2d5d4f37dfdb47f78f6ccb2151c9d1f0b30da14d2173140d22e5504dfe632a85e15a323cbfc41debda5dc6a33946efbd00c8e97516a4cc967db3a0b8030f5ca4624e67f99ebafa4aa3d4f556ebc249bbcaf61f") ioctl$FIONREAD(r1, 0x541b, &(0x7f0000000080)) ioctl$TCSETSF(r2, 0x5404, &(0x7f0000000900)={0x0, 0x0, 0x0, 0x0, 0x0, "9750da5e3b38a0e557884e87596d6020c84d50"}) ioctl$TCSETSW(r2, 0x5403, &(0x7f0000000000)={0x10001, 0x5, 0x3ff, 0xa0, 0x5, "e8e2e1a53c21e9ffaacd0278f0acae012faafc"}) openat$ptmx(0xffffffffffffff9c, &(0x7f0000000040), 0x0, 0x0) (async) ioctl$TIOCGPTPEER(r0, 0x5441, 0xdbb8) (async) syz_open_dev$tty20(0xc, 0x4, 0x1) (async) ioctl$TIOCGPTPEER(r1, 0x5441, 0x1000) (async) ioctl$KDSKBENT(r3, 0x4b47, &(0x7f00000001c0)={0x88, 0x7e}) (async) ioctl$PIO_SCRNMAP(r2, 0x4b41, &(0x7f00000000c0)="e7af1f34e8724b16e77d5105c9e3df5767c60f4658e375d5268f1c1b17b927f235392a08ead2fe3d1a56912675c4b490a22a90ad8c7e255be29e986f7765ceb019bdb4515409c15cec2407098c92bf04a18042cfd9678577cc01cbd24889c6446d85737a26945392a363cab45a9aa05bf02ddda644015d25eab83529f8a4b031ed2d5d4f37dfdb47f78f6ccb2151c9d1f0b30da14d2173140d22e5504dfe632a85e15a323cbfc41debda5dc6a33946efbd00c8e97516a4cc967db3a0b8030f5ca4624e67f99ebafa4aa3d4f556ebc249bbcaf61f") (async) ioctl$FIONREAD(r1, 0x541b, &(0x7f0000000080)) (async) ioctl$TCSETSF(r2, 0x5404, &(0x7f0000000900)={0x0, 0x0, 0x0, 0x0, 0x0, "9750da5e3b38a0e557884e87596d6020c84d50"}) (async) ioctl$TCSETSW(r2, 0x5403, &(0x7f0000000000)={0x10001, 0x5, 0x3ff, 0xa0, 0x5, "e8e2e1a53c21e9ffaacd0278f0acae012faafc"}) (async) [ 1295.541645] block nbd1: not configured, cannot reconfigure 08:02:13 executing program 1: syz_open_dev$ndb(&(0x7f00000002c0), 0x0, 0x0) r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000200), r1) sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f0000000200)={0x0, 0x0, &(0x7f00000001c0)={&(0x7f0000000140)={0x1c, r2, 0x1, 0x0, 0x3, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x1c}}, 0x0) 08:02:13 executing program 4: syz_open_dev$ndb(&(0x7f00000002c0), 0x0, 0x0) r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000200), r1) sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f0000000200)={0x0, 0x0, &(0x7f00000001c0)={&(0x7f0000000140)={0x1c, r2, 0x3, 0x0, 0x0, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x1c}}, 0x0) 08:02:13 executing program 0: r0 = syz_open_dev$ndb(&(0x7f00000002c0), 0x0, 0x0) ioctl$NBD_SET_SOCK(r0, 0x5452, 0xffffffffffffffff) ioctl$NBD_DISCONNECT(r0, 0xab08) 08:02:13 executing program 5: r0 = syz_open_dev$ndb(&(0x7f00000002c0), 0x0, 0x0) syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x604000) (async) ioctl$NBD_SET_SOCK(r0, 0x5421, 0xffffffffffffffff) [ 1295.659907] block nbd3: not configured, cannot reconfigure [ 1295.690890] block nbd1: not configured, cannot reconfigure 08:02:13 executing program 2: r0 = openat$ptmx(0xffffffffffffff9c, &(0x7f0000000040), 0x0, 0x0) ioctl$TIOCGPTPEER(r0, 0x5441, 0xdbb8) openat$ptmx(0xffffffffffffff9c, &(0x7f0000000000), 0x402081, 0x0) 08:02:13 executing program 1: syz_open_dev$ndb(&(0x7f00000002c0), 0x0, 0x0) r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000200), r1) sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f0000000200)={0x0, 0x0, &(0x7f00000001c0)={&(0x7f0000000140)={0x1c, r2, 0x1, 0x0, 0x4, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x1c}}, 0x0) 08:02:13 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000200), r1) sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f0000000200)={0x0, 0x0, &(0x7f00000001c0)={&(0x7f0000000140)={0x1c, r2, 0x1, 0x0, 0x6, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x1c}}, 0x0) 08:02:13 executing program 0: r0 = syz_open_dev$ndb(&(0x7f00000002c0), 0x0, 0x0) ioctl$NBD_SET_SOCK(r0, 0x5452, 0xffffffffffffffff) ioctl$NBD_DISCONNECT(r0, 0xab08) 08:02:13 executing program 5: syz_open_dev$ndb(&(0x7f00000002c0), 0x0, 0x919481) r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x40) ioctl$NBD_SET_SOCK(r0, 0x5421, 0xffffffffffffffff) [ 1295.715514] block nbd4: not configured, cannot reconfigure [ 1295.738318] block nbd0: NBD_DISCONNECT 08:02:13 executing program 4: syz_open_dev$ndb(&(0x7f00000002c0), 0x0, 0x0) r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000200), r1) sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f0000000200)={0x0, 0x0, &(0x7f00000001c0)={&(0x7f0000000140)={0x1c, r2, 0x4, 0x0, 0x0, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x1c}}, 0x0) 08:02:13 executing program 2: r0 = openat$ptmx(0xffffffffffffff9c, &(0x7f0000000040), 0x0, 0x0) ioctl$TIOCGPTPEER(r0, 0x5441, 0xdbb8) openat$ptmx(0xffffffffffffff9c, &(0x7f0000000000), 0x402081, 0x0) 08:02:13 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000200), r1) sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f0000000200)={0x0, 0x0, &(0x7f00000001c0)={&(0x7f0000000140)={0x1c, r2, 0x1, 0x0, 0x7, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x1c}}, 0x0) [ 1295.812259] block nbd3: not configured, cannot reconfigure [ 1295.834687] block nbd0: NBD_DISCONNECT [ 1295.844602] block nbd1: not configured, cannot reconfigure 08:02:13 executing program 0: r0 = syz_open_dev$ndb(&(0x7f00000002c0), 0x0, 0x0) ioctl$NBD_SET_SOCK(r0, 0x5452, 0xffffffffffffffff) ioctl$NBD_DISCONNECT(r0, 0xab08) syz_open_dev$ndb(&(0x7f00000002c0), 0x0, 0x0) (async) ioctl$NBD_SET_SOCK(r0, 0x5452, 0xffffffffffffffff) (async) ioctl$NBD_DISCONNECT(r0, 0xab08) (async) 08:02:13 executing program 5: syz_open_dev$ndb(&(0x7f00000002c0), 0x0, 0x919481) (async) r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x40) ioctl$NBD_SET_SOCK(r0, 0x5421, 0xffffffffffffffff) 08:02:13 executing program 4: syz_open_dev$ndb(&(0x7f00000002c0), 0x0, 0x0) r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000200), r1) sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f0000000200)={0x0, 0x0, &(0x7f00000001c0)={&(0x7f0000000140)={0x1c, r2, 0x8, 0x0, 0x0, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x1c}}, 0x0) 08:02:13 executing program 1: syz_open_dev$ndb(&(0x7f00000002c0), 0x0, 0x0) r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000200), r1) sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f0000000200)={0x0, 0x0, &(0x7f00000001c0)={&(0x7f0000000140)={0x1c, r2, 0x1, 0x0, 0x5, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x1c}}, 0x0) 08:02:13 executing program 2: r0 = openat$ptmx(0xffffffffffffff9c, &(0x7f0000000040), 0x0, 0x0) ioctl$TIOCGPTPEER(r0, 0x5441, 0xdbb8) (async) openat$ptmx(0xffffffffffffff9c, &(0x7f0000000000), 0x402081, 0x0) [ 1295.929085] block nbd3: not configured, cannot reconfigure 08:02:13 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000200), r1) sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f0000000200)={0x0, 0x0, &(0x7f00000001c0)={&(0x7f0000000140)={0x1c, r2, 0x1, 0x0, 0x8, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x1c}}, 0x0) 08:02:13 executing program 5: syz_open_dev$ndb(&(0x7f00000002c0), 0x0, 0x919481) r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x40) ioctl$NBD_SET_SOCK(r0, 0x5421, 0xffffffffffffffff) syz_open_dev$ndb(&(0x7f00000002c0), 0x0, 0x919481) (async) syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x40) (async) ioctl$NBD_SET_SOCK(r0, 0x5421, 0xffffffffffffffff) (async) 08:02:13 executing program 1: syz_open_dev$ndb(&(0x7f00000002c0), 0x0, 0x0) r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000200), r1) sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f0000000200)={0x0, 0x0, &(0x7f00000001c0)={&(0x7f0000000140)={0x1c, r2, 0x1, 0x0, 0x6, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x1c}}, 0x0) [ 1295.975678] block nbd0: NBD_DISCONNECT [ 1295.987352] block nbd1: not configured, cannot reconfigure [ 1295.996837] block nbd0: NBD_DISCONNECT 08:02:13 executing program 0: r0 = syz_open_dev$ndb(&(0x7f00000002c0), 0x0, 0x0) syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x81) ioctl$NBD_SET_SOCK(r0, 0x5452, 0xffffffffffffffff) 08:02:13 executing program 4: syz_open_dev$ndb(&(0x7f00000002c0), 0x0, 0x0) r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000200), r1) sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f0000000200)={0x0, 0x0, &(0x7f00000001c0)={&(0x7f0000000140)={0x1c, r2, 0x9, 0x0, 0x0, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x1c}}, 0x0) 08:02:13 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000200), r1) sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f0000000200)={0x0, 0x0, &(0x7f00000001c0)={&(0x7f0000000140)={0x1c, r2, 0x1, 0x0, 0xf, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x1c}}, 0x0) [ 1296.039607] block nbd3: not configured, cannot reconfigure 08:02:13 executing program 2: ioctl$TIOCGPTPEER(0xffffffffffffffff, 0x5441, 0xdbb8) 08:02:13 executing program 5: r0 = syz_open_dev$ndb(&(0x7f00000002c0), 0x0, 0x0) ioctl$NBD_SET_SOCK(r0, 0x5421, 0xffffffffffffffff) r1 = socket$bt_rfcomm(0x1f, 0x3, 0x3) ioctl$sock_SIOCETHTOOL(r1, 0x8946, &(0x7f0000000100)={'pim6reg1\x00', &(0x7f0000000000)=@ethtool_perm_addr={0x20, 0x99, "1b593266dd4e6b3465d17dc68f2aeb50a149f9b9279ed5a4bded7be907637d768bed4e2086aa4d0dd44cd1c8bc6a2bbdbdf223a72c22363818224a4c0b58b5750965054da052df97a4bbba1b65f6630e2ff747f3c9566da8c8d14600eada14a5316246b050fd8657f226a64a84a67a7a72d22b30a67ee5459cebbb984a47e15360b259a8f01ca3c5577529e767ed74573061db967f328fcb99"}}) 08:02:13 executing program 0: r0 = syz_open_dev$ndb(&(0x7f00000002c0), 0x0, 0x0) syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x81) (async) ioctl$NBD_SET_SOCK(r0, 0x5452, 0xffffffffffffffff) 08:02:13 executing program 1: syz_open_dev$ndb(&(0x7f00000002c0), 0x0, 0x0) r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000200), r1) sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f0000000200)={0x0, 0x0, &(0x7f00000001c0)={&(0x7f0000000140)={0x1c, r2, 0x1, 0x0, 0x7, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x1c}}, 0x0) [ 1296.113250] block nbd1: not configured, cannot reconfigure [ 1296.151273] block nbd3: not configured, cannot reconfigure 08:02:13 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000200), r1) sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f0000000200)={0x0, 0x0, &(0x7f00000001c0)={&(0x7f0000000140)={0x1c, r2, 0x1, 0x0, 0x48, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x1c}}, 0x0) 08:02:13 executing program 2: ioctl$TIOCGPTPEER(0xffffffffffffffff, 0x5441, 0xdbb8) 08:02:13 executing program 4: syz_open_dev$ndb(&(0x7f00000002c0), 0x0, 0x0) r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000200), r1) sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f0000000200)={0x0, 0x0, &(0x7f00000001c0)={&(0x7f0000000140)={0x1c, r2, 0x3e, 0x0, 0x0, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x1c}}, 0x0) 08:02:13 executing program 5: r0 = syz_open_dev$ndb(&(0x7f00000002c0), 0x0, 0x0) ioctl$NBD_SET_SOCK(r0, 0x5421, 0xffffffffffffffff) (async) r1 = socket$bt_rfcomm(0x1f, 0x3, 0x3) ioctl$sock_SIOCETHTOOL(r1, 0x8946, &(0x7f0000000100)={'pim6reg1\x00', &(0x7f0000000000)=@ethtool_perm_addr={0x20, 0x99, "1b593266dd4e6b3465d17dc68f2aeb50a149f9b9279ed5a4bded7be907637d768bed4e2086aa4d0dd44cd1c8bc6a2bbdbdf223a72c22363818224a4c0b58b5750965054da052df97a4bbba1b65f6630e2ff747f3c9566da8c8d14600eada14a5316246b050fd8657f226a64a84a67a7a72d22b30a67ee5459cebbb984a47e15360b259a8f01ca3c5577529e767ed74573061db967f328fcb99"}}) [ 1296.182133] block nbd4: not configured, cannot reconfigure 08:02:13 executing program 0: r0 = syz_open_dev$ndb(&(0x7f00000002c0), 0x0, 0x0) syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x81) (async, rerun: 32) ioctl$NBD_SET_SOCK(r0, 0x5452, 0xffffffffffffffff) (rerun: 32) 08:02:13 executing program 4: syz_open_dev$ndb(&(0x7f00000002c0), 0x0, 0x0) r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000200), r1) sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f0000000200)={0x0, 0x0, &(0x7f00000001c0)={&(0x7f0000000140)={0x1c, r2, 0x63, 0x0, 0x0, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x1c}}, 0x0) 08:02:13 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000200), r1) sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f0000000200)={0x0, 0x0, &(0x7f00000001c0)={&(0x7f0000000140)={0x1c, r2, 0x1, 0x0, 0x4c, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x1c}}, 0x0) 08:02:13 executing program 2: ioctl$TIOCGPTPEER(0xffffffffffffffff, 0x5441, 0xdbb8) 08:02:13 executing program 1: syz_open_dev$ndb(&(0x7f00000002c0), 0x0, 0x0) r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000200), r1) sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f0000000200)={0x0, 0x0, &(0x7f00000001c0)={&(0x7f0000000140)={0x1c, r2, 0x1, 0x0, 0x8, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x1c}}, 0x0) [ 1296.262398] block nbd3: not configured, cannot reconfigure [ 1296.292820] block nbd1: not configured, cannot reconfigure 08:02:13 executing program 5: r0 = syz_open_dev$ndb(&(0x7f00000002c0), 0x0, 0x0) ioctl$NBD_SET_SOCK(r0, 0x5421, 0xffffffffffffffff) (async) r1 = socket$bt_rfcomm(0x1f, 0x3, 0x3) ioctl$sock_SIOCETHTOOL(r1, 0x8946, &(0x7f0000000100)={'pim6reg1\x00', &(0x7f0000000000)=@ethtool_perm_addr={0x20, 0x99, "1b593266dd4e6b3465d17dc68f2aeb50a149f9b9279ed5a4bded7be907637d768bed4e2086aa4d0dd44cd1c8bc6a2bbdbdf223a72c22363818224a4c0b58b5750965054da052df97a4bbba1b65f6630e2ff747f3c9566da8c8d14600eada14a5316246b050fd8657f226a64a84a67a7a72d22b30a67ee5459cebbb984a47e15360b259a8f01ca3c5577529e767ed74573061db967f328fcb99"}}) 08:02:13 executing program 0: r0 = syz_open_dev$ndb(&(0x7f00000002c0), 0x0, 0x0) ioctl$VHOST_VSOCK_SET_GUEST_CID(0xffffffffffffffff, 0x4008af60, &(0x7f0000000000)) r1 = syz_open_dev$vcsn(&(0x7f0000000040), 0xffff, 0x40) getsockopt$sock_cred(0xffffffffffffffff, 0x1, 0x11, &(0x7f0000000080)={0x0, 0x0, 0x0}, &(0x7f00000000c0)=0xc) ioctl$AUTOFS_DEV_IOCTL_REQUESTER(r1, 0xc018937b, &(0x7f0000000100)={{0x1, 0x1, 0x18, 0xffffffffffffffff, {0xee00, r2}}, './file0\x00'}) ioctl$NBD_SET_SOCK(r0, 0x5452, 0xffffffffffffffff) 08:02:13 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000200), r1) sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f0000000200)={0x0, 0x0, &(0x7f00000001c0)={&(0x7f0000000140)={0x1c, r2, 0x1, 0x0, 0x60, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x1c}}, 0x0) 08:02:13 executing program 5: syz_open_dev$ndb(&(0x7f00000002c0), 0x0, 0x0) r0 = syz_open_dev$vcsn(&(0x7f0000000140), 0x1, 0x0) ioctl$MEDIA_IOC_REQUEST_ALLOC(r0, 0x80047c05, &(0x7f0000000000)) ioctl$NBD_DISCONNECT(r0, 0xab08) ioctl$MEDIA_REQUEST_IOC_REINIT(r0, 0x7c81, 0x0) syz_open_dev$vcsn(&(0x7f0000000040), 0x1c, 0x200000) r1 = syz_open_dev$vcsn(&(0x7f0000000140), 0x1, 0x0) ioctl$MEDIA_IOC_REQUEST_ALLOC(r1, 0x80047c05, &(0x7f0000000180)) r2 = syz_open_dev$vcsn(&(0x7f0000000140), 0x1, 0x0) ioctl$MEDIA_IOC_REQUEST_ALLOC(r2, 0x80047c05, &(0x7f0000000180)) ioctl$AUTOFS_DEV_IOCTL_PROTOVER(r1, 0xc0189372, &(0x7f0000000080)={{0x1, 0x1, 0x18, r0, {0x3c7}}, './file0\x00'}) r4 = syz_open_dev$vcsn(&(0x7f0000000140), 0x1, 0x0) ioctl$MEDIA_IOC_REQUEST_ALLOC(r4, 0x80047c05, &(0x7f0000000180)) ioctl$TUNSETCARRIER(r4, 0x400454e2, &(0x7f00000000c0)) ioctl$NBD_SET_SOCK(r3, 0x5421, r2) [ 1296.380627] block nbd3: not configured, cannot reconfigure 08:02:14 executing program 0: r0 = syz_open_dev$ndb(&(0x7f00000002c0), 0x0, 0x0) (async) ioctl$VHOST_VSOCK_SET_GUEST_CID(0xffffffffffffffff, 0x4008af60, &(0x7f0000000000)) (async) r1 = syz_open_dev$vcsn(&(0x7f0000000040), 0xffff, 0x40) getsockopt$sock_cred(0xffffffffffffffff, 0x1, 0x11, &(0x7f0000000080)={0x0, 0x0, 0x0}, &(0x7f00000000c0)=0xc) ioctl$AUTOFS_DEV_IOCTL_REQUESTER(r1, 0xc018937b, &(0x7f0000000100)={{0x1, 0x1, 0x18, 0xffffffffffffffff, {0xee00, r2}}, './file0\x00'}) (async) ioctl$NBD_SET_SOCK(r0, 0x5452, 0xffffffffffffffff) 08:02:14 executing program 2: openat$ptmx(0xffffffffffffff9c, &(0x7f0000000040), 0x0, 0x0) r0 = syz_open_dev$tty20(0xc, 0x4, 0x1) ioctl$TCSETSF(r0, 0x5404, &(0x7f0000000900)={0x0, 0x0, 0x0, 0x0, 0x0, "9750da5e3b38a0e557884e87596d6020c84d50"}) ioctl$TIOCGPTPEER(r0, 0x5441, 0xdbb8) 08:02:14 executing program 1: syz_open_dev$ndb(&(0x7f00000002c0), 0x0, 0x0) r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000200), r1) sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f0000000200)={0x0, 0x0, &(0x7f00000001c0)={&(0x7f0000000140)={0x1c, r2, 0x1, 0x0, 0xf, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x1c}}, 0x0) [ 1296.433304] block nbd1: not configured, cannot reconfigure [ 1296.454497] block nbd4: not configured, cannot reconfigure 08:02:14 executing program 4: syz_open_dev$ndb(&(0x7f00000002c0), 0x0, 0x0) r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000200), r1) sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f0000000200)={0x0, 0x0, &(0x7f00000001c0)={&(0x7f0000000140)={0x1c, r2, 0x66, 0x0, 0x0, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x1c}}, 0x0) 08:02:14 executing program 5: syz_open_dev$ndb(&(0x7f00000002c0), 0x0, 0x0) (async) r0 = syz_open_dev$vcsn(&(0x7f0000000140), 0x1, 0x0) ioctl$MEDIA_IOC_REQUEST_ALLOC(r0, 0x80047c05, &(0x7f0000000000)) (async) ioctl$NBD_DISCONNECT(r0, 0xab08) (async) ioctl$MEDIA_REQUEST_IOC_REINIT(r0, 0x7c81, 0x0) syz_open_dev$vcsn(&(0x7f0000000040), 0x1c, 0x200000) (async) r1 = syz_open_dev$vcsn(&(0x7f0000000140), 0x1, 0x0) ioctl$MEDIA_IOC_REQUEST_ALLOC(r1, 0x80047c05, &(0x7f0000000180)) r2 = syz_open_dev$vcsn(&(0x7f0000000140), 0x1, 0x0) ioctl$MEDIA_IOC_REQUEST_ALLOC(r2, 0x80047c05, &(0x7f0000000180)) ioctl$AUTOFS_DEV_IOCTL_PROTOVER(r1, 0xc0189372, &(0x7f0000000080)={{0x1, 0x1, 0x18, r0, {0x3c7}}, './file0\x00'}) (async, rerun: 64) r4 = syz_open_dev$vcsn(&(0x7f0000000140), 0x1, 0x0) (rerun: 64) ioctl$MEDIA_IOC_REQUEST_ALLOC(r4, 0x80047c05, &(0x7f0000000180)) (async) ioctl$TUNSETCARRIER(r4, 0x400454e2, &(0x7f00000000c0)) (async) ioctl$NBD_SET_SOCK(r3, 0x5421, r2) 08:02:14 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000200), r1) sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f0000000200)={0x0, 0x0, &(0x7f00000001c0)={&(0x7f0000000140)={0x1c, r2, 0x1, 0x0, 0x68, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x1c}}, 0x0) [ 1296.499386] block nbd3: not configured, cannot reconfigure 08:02:14 executing program 0: r0 = syz_open_dev$ndb(&(0x7f00000002c0), 0x0, 0x0) (async) ioctl$VHOST_VSOCK_SET_GUEST_CID(0xffffffffffffffff, 0x4008af60, &(0x7f0000000000)) (async) r1 = syz_open_dev$vcsn(&(0x7f0000000040), 0xffff, 0x40) (async) getsockopt$sock_cred(0xffffffffffffffff, 0x1, 0x11, &(0x7f0000000080)={0x0, 0x0, 0x0}, &(0x7f00000000c0)=0xc) ioctl$AUTOFS_DEV_IOCTL_REQUESTER(r1, 0xc018937b, &(0x7f0000000100)={{0x1, 0x1, 0x18, 0xffffffffffffffff, {0xee00, r2}}, './file0\x00'}) ioctl$NBD_SET_SOCK(r0, 0x5452, 0xffffffffffffffff) 08:02:14 executing program 2: openat$ptmx(0xffffffffffffff9c, &(0x7f0000000040), 0x0, 0x0) r0 = syz_open_dev$tty20(0xc, 0x4, 0x1) ioctl$TCSETSF(r0, 0x5404, &(0x7f0000000900)={0x0, 0x0, 0x0, 0x0, 0x0, "9750da5e3b38a0e557884e87596d6020c84d50"}) (async) ioctl$TCSETSF(r0, 0x5404, &(0x7f0000000900)={0x0, 0x0, 0x0, 0x0, 0x0, "9750da5e3b38a0e557884e87596d6020c84d50"}) ioctl$TIOCGPTPEER(r0, 0x5441, 0xdbb8) 08:02:14 executing program 4: syz_open_dev$ndb(&(0x7f00000002c0), 0x0, 0x0) r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000200), r1) sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f0000000200)={0x0, 0x0, &(0x7f00000001c0)={&(0x7f0000000140)={0x1c, r2, 0x3db, 0x0, 0x0, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x1c}}, 0x0) [ 1296.569210] block nbd1: not configured, cannot reconfigure 08:02:14 executing program 1: syz_open_dev$ndb(&(0x7f00000002c0), 0x0, 0x0) r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000200), r1) sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f0000000200)={0x0, 0x0, &(0x7f00000001c0)={&(0x7f0000000140)={0x1c, r2, 0x1, 0x0, 0x48, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x1c}}, 0x0) 08:02:14 executing program 5: syz_open_dev$ndb(&(0x7f00000002c0), 0x0, 0x0) r0 = syz_open_dev$vcsn(&(0x7f0000000140), 0x1, 0x0) ioctl$MEDIA_IOC_REQUEST_ALLOC(r0, 0x80047c05, &(0x7f0000000000)) ioctl$NBD_DISCONNECT(r0, 0xab08) ioctl$MEDIA_REQUEST_IOC_REINIT(r0, 0x7c81, 0x0) syz_open_dev$vcsn(&(0x7f0000000040), 0x1c, 0x200000) r1 = syz_open_dev$vcsn(&(0x7f0000000140), 0x1, 0x0) ioctl$MEDIA_IOC_REQUEST_ALLOC(r1, 0x80047c05, &(0x7f0000000180)) r2 = syz_open_dev$vcsn(&(0x7f0000000140), 0x1, 0x0) ioctl$MEDIA_IOC_REQUEST_ALLOC(r2, 0x80047c05, &(0x7f0000000180)) ioctl$AUTOFS_DEV_IOCTL_PROTOVER(r1, 0xc0189372, &(0x7f0000000080)={{0x1, 0x1, 0x18, r0, {0x3c7}}, './file0\x00'}) r4 = syz_open_dev$vcsn(&(0x7f0000000140), 0x1, 0x0) ioctl$MEDIA_IOC_REQUEST_ALLOC(r4, 0x80047c05, &(0x7f0000000180)) ioctl$TUNSETCARRIER(r4, 0x400454e2, &(0x7f00000000c0)) ioctl$NBD_SET_SOCK(r3, 0x5421, r2) syz_open_dev$ndb(&(0x7f00000002c0), 0x0, 0x0) (async) syz_open_dev$vcsn(&(0x7f0000000140), 0x1, 0x0) (async) ioctl$MEDIA_IOC_REQUEST_ALLOC(r0, 0x80047c05, &(0x7f0000000000)) (async) ioctl$NBD_DISCONNECT(r0, 0xab08) (async) ioctl$MEDIA_REQUEST_IOC_REINIT(r0, 0x7c81, 0x0) (async) syz_open_dev$vcsn(&(0x7f0000000040), 0x1c, 0x200000) (async) syz_open_dev$vcsn(&(0x7f0000000140), 0x1, 0x0) (async) ioctl$MEDIA_IOC_REQUEST_ALLOC(r1, 0x80047c05, &(0x7f0000000180)) (async) syz_open_dev$vcsn(&(0x7f0000000140), 0x1, 0x0) (async) ioctl$MEDIA_IOC_REQUEST_ALLOC(r2, 0x80047c05, &(0x7f0000000180)) (async) ioctl$AUTOFS_DEV_IOCTL_PROTOVER(r1, 0xc0189372, &(0x7f0000000080)={{0x1, 0x1, 0x18, r0, {0x3c7}}, './file0\x00'}) (async) syz_open_dev$vcsn(&(0x7f0000000140), 0x1, 0x0) (async) ioctl$MEDIA_IOC_REQUEST_ALLOC(r4, 0x80047c05, &(0x7f0000000180)) (async) ioctl$TUNSETCARRIER(r4, 0x400454e2, &(0x7f00000000c0)) (async) ioctl$NBD_SET_SOCK(r3, 0x5421, r2) (async) [ 1296.644546] block nbd3: not configured, cannot reconfigure 08:02:14 executing program 0: syz_genetlink_get_family_id$nbd(&(0x7f0000000000), 0xffffffffffffffff) r0 = syz_open_dev$ndb(&(0x7f00000002c0), 0x0, 0x242140) syz_genetlink_get_family_id$nl80211(&(0x7f0000000040), 0xffffffffffffffff) ioctl$NBD_SET_SOCK(r0, 0x5452, 0xffffffffffffffff) 08:02:14 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000200), r1) sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f0000000200)={0x0, 0x0, &(0x7f00000001c0)={&(0x7f0000000140)={0x1c, r2, 0x1, 0x0, 0x6c, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x1c}}, 0x0) 08:02:14 executing program 2: openat$ptmx(0xffffffffffffff9c, &(0x7f0000000040), 0x0, 0x0) (async) r0 = syz_open_dev$tty20(0xc, 0x4, 0x1) ioctl$TCSETSF(r0, 0x5404, &(0x7f0000000900)={0x0, 0x0, 0x0, 0x0, 0x0, "9750da5e3b38a0e557884e87596d6020c84d50"}) ioctl$TIOCGPTPEER(r0, 0x5441, 0xdbb8) 08:02:14 executing program 1: syz_open_dev$ndb(&(0x7f00000002c0), 0x0, 0x0) r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000200), r1) sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f0000000200)={0x0, 0x0, &(0x7f00000001c0)={&(0x7f0000000140)={0x1c, r2, 0x1, 0x0, 0x4c, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x1c}}, 0x0) [ 1296.695657] block nbd1: not configured, cannot reconfigure 08:02:14 executing program 4: syz_open_dev$ndb(&(0x7f00000002c0), 0x0, 0x0) r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000200), r1) sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f0000000200)={0x0, 0x0, &(0x7f00000001c0)={&(0x7f0000000140)={0x1c, r2, 0x500, 0x0, 0x0, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x1c}}, 0x0) 08:02:14 executing program 0: syz_genetlink_get_family_id$nbd(&(0x7f0000000000), 0xffffffffffffffff) r0 = syz_open_dev$ndb(&(0x7f00000002c0), 0x0, 0x242140) syz_genetlink_get_family_id$nl80211(&(0x7f0000000040), 0xffffffffffffffff) (async) syz_genetlink_get_family_id$nl80211(&(0x7f0000000040), 0xffffffffffffffff) ioctl$NBD_SET_SOCK(r0, 0x5452, 0xffffffffffffffff) 08:02:14 executing program 5: r0 = syz_open_dev$ndb(&(0x7f00000002c0), 0x0, 0x0) ioctl$NBD_SET_SOCK(r0, 0x5421, 0xffffffffffffffff) r1 = socket(0x90d961c51a44543e, 0x2, 0x6) r2 = syz_genetlink_get_family_id$nl80211(&(0x7f0000000180), 0xffffffffffffffff) sendmsg$NL80211_CMD_CRIT_PROTOCOL_START(r1, &(0x7f0000000240)={&(0x7f0000000140)={0x10, 0x0, 0x0, 0x800000}, 0xc, &(0x7f0000000200)={&(0x7f0000000300)=ANY=[@ANYBLOB="3c00000011a587a337b20d968a9ac24857036640b7725e781675faf187c81e7b5a697daa30ff1dc17035a84a3c120a9d41a601cae39d3a5f8acf021c06c7c9cea04557dc6f455fc829e3bd6927d27a9abd6d6a58def278e0e6b9065013ef3ba73ebd92f235dea50a5910f997217625b3c71d04ac6c8b6779b8e3c2966bdb0c378fbe9844441f9069b0d9d68d05d25fd0107daa85e13fddf7141571cd1011c53b2d9ea9ec3e6aa4103b9799602fbe006b74af22c29ddd937fd5eb0f242bbf6253863aae9fb19fe5a0107beedc0fea98ef6473594535e6432fbbe8ebda78fb2f60351718cdcf3788", @ANYRES16=r2, @ANYBLOB="000226bd7000ffdbdf25620000000600b300020000000600b300030000000600b400960800000600b400bc0900000600b30002000000"], 0x3c}, 0x1, 0x0, 0x0, 0x20000000}, 0x40004) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r4 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), 0xffffffffffffffff) sendmsg$NBD_CMD_DISCONNECT(r3, &(0x7f0000000100)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x80000000}, 0xc, &(0x7f00000000c0)={&(0x7f0000000080)={0x14, r4, 0x2, 0x70bd27, 0x25dfdbfb}, 0x14}, 0x1, 0x0, 0x0, 0x4000000}, 0x20040001) r5 = syz_open_dev$tty20(0xc, 0x4, 0x1) ioctl$TCSETSF(r5, 0x5404, &(0x7f0000000900)={0x0, 0x0, 0x2, 0x0, 0x0, "9750da5e3b38a0e557884e87596d6020c84d50"}) ioctl$KDSKBMETA(r5, 0x4b63, &(0x7f0000000280)=0x4) [ 1296.774384] block nbd3: not configured, cannot reconfigure 08:02:14 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000200), r1) sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f0000000200)={0x0, 0x0, &(0x7f00000001c0)={&(0x7f0000000140)={0x1c, r2, 0x1, 0x0, 0x74, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x1c}}, 0x0) 08:02:14 executing program 2: r0 = openat$ptmx(0xffffffffffffff9c, &(0x7f0000000040), 0x0, 0x0) r1 = syz_open_dev$vcsn(&(0x7f0000000140), 0x1, 0x0) ioctl$KDGKBSENT(r1, 0x4b48, &(0x7f00000001c0)={0x97, "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"}) ioctl$MEDIA_IOC_REQUEST_ALLOC(r1, 0x80047c05, &(0x7f0000000180)) sendmsg$RDMA_NLDEV_CMD_STAT_SET(r1, &(0x7f0000000500)={&(0x7f0000000400)={0x10, 0x0, 0x0, 0x20000000}, 0xc, &(0x7f00000004c0)={&(0x7f0000000440)=ANY=[@ANYBLOB="600000001014020028bd7000fcdbdf2508004c0001000000080003000400000008004f0002000000080001000200000008004f000100000008000100010000243ae90f0c16718c000800010001000000080003000100000008004a0000000000"], 0x60}, 0x1, 0x0, 0x0, 0x40040}, 0x1) r2 = syz_open_dev$tty20(0xc, 0x4, 0x1) ioctl$TCSETSF(r2, 0x5404, &(0x7f0000000900)={0x0, 0x0, 0x0, 0x0, 0x0, "9750da5e3b38a0e557884e87596d6020c84d50"}) ioctl$TIOCNOTTY(r2, 0x5422) sendmsg$BATADV_CMD_GET_ORIGINATORS(r1, &(0x7f0000000100)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x10}, 0xc, &(0x7f00000000c0)={&(0x7f0000000080)={0x2c, 0x0, 0x120, 0x70bd29, 0x25dfdbfb, {}, [@BATADV_ATTR_DISTRIBUTED_ARP_TABLE_ENABLED={0x5, 0x2f, 0x1}, @BATADV_ATTR_NETWORK_CODING_ENABLED={0x5, 0x38, 0xfc}, @BATADV_ATTR_AGGREGATED_OGMS_ENABLED={0x5}]}, 0x2c}, 0x1, 0x0, 0x0, 0x2000c094}, 0x4) ioctl$TIOCGPTPEER(r0, 0x5441, 0xdbb8) 08:02:14 executing program 1: syz_open_dev$ndb(&(0x7f00000002c0), 0x0, 0x0) r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000200), r1) sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f0000000200)={0x0, 0x0, &(0x7f00000001c0)={&(0x7f0000000140)={0x1c, r2, 0x1, 0x0, 0x60, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x1c}}, 0x0) [ 1296.829180] block nbd1: not configured, cannot reconfigure 08:02:14 executing program 4: syz_open_dev$ndb(&(0x7f00000002c0), 0x0, 0x0) r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000200), r1) sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f0000000200)={0x0, 0x0, &(0x7f00000001c0)={&(0x7f0000000140)={0x1c, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x1c}}, 0x0) 08:02:14 executing program 5: r0 = syz_open_dev$ndb(&(0x7f00000002c0), 0x0, 0x0) ioctl$NBD_SET_SOCK(r0, 0x5421, 0xffffffffffffffff) r1 = socket(0x90d961c51a44543e, 0x2, 0x6) r2 = syz_genetlink_get_family_id$nl80211(&(0x7f0000000180), 0xffffffffffffffff) sendmsg$NL80211_CMD_CRIT_PROTOCOL_START(r1, &(0x7f0000000240)={&(0x7f0000000140)={0x10, 0x0, 0x0, 0x800000}, 0xc, &(0x7f0000000200)={&(0x7f0000000300)=ANY=[@ANYBLOB="3c00000011a587a337b20d968a9ac24857036640b7725e781675faf187c81e7b5a697daa30ff1dc17035a84a3c120a9d41a601cae39d3a5f8acf021c06c7c9cea04557dc6f455fc829e3bd6927d27a9abd6d6a58def278e0e6b9065013ef3ba73ebd92f235dea50a5910f997217625b3c71d04ac6c8b6779b8e3c2966bdb0c378fbe9844441f9069b0d9d68d05d25fd0107daa85e13fddf7141571cd1011c53b2d9ea9ec3e6aa4103b9799602fbe006b74af22c29ddd937fd5eb0f242bbf6253863aae9fb19fe5a0107beedc0fea98ef6473594535e6432fbbe8ebda78fb2f60351718cdcf3788", @ANYRES16=r2, @ANYBLOB="000226bd7000ffdbdf25620000000600b300020000000600b300030000000600b400960800000600b400bc0900000600b30002000000"], 0x3c}, 0x1, 0x0, 0x0, 0x20000000}, 0x40004) (async) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) r4 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), 0xffffffffffffffff) sendmsg$NBD_CMD_DISCONNECT(r3, &(0x7f0000000100)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x80000000}, 0xc, &(0x7f00000000c0)={&(0x7f0000000080)={0x14, r4, 0x2, 0x70bd27, 0x25dfdbfb}, 0x14}, 0x1, 0x0, 0x0, 0x4000000}, 0x20040001) (async) r5 = syz_open_dev$tty20(0xc, 0x4, 0x1) ioctl$TCSETSF(r5, 0x5404, &(0x7f0000000900)={0x0, 0x0, 0x2, 0x0, 0x0, "9750da5e3b38a0e557884e87596d6020c84d50"}) ioctl$KDSKBMETA(r5, 0x4b63, &(0x7f0000000280)=0x4) 08:02:14 executing program 0: syz_genetlink_get_family_id$nbd(&(0x7f0000000000), 0xffffffffffffffff) (async) r0 = syz_open_dev$ndb(&(0x7f00000002c0), 0x0, 0x242140) syz_genetlink_get_family_id$nl80211(&(0x7f0000000040), 0xffffffffffffffff) (async) ioctl$NBD_SET_SOCK(r0, 0x5452, 0xffffffffffffffff) 08:02:14 executing program 2: r0 = openat$ptmx(0xffffffffffffff9c, &(0x7f0000000040), 0x0, 0x0) (async) r1 = syz_open_dev$vcsn(&(0x7f0000000140), 0x1, 0x0) ioctl$KDGKBSENT(r1, 0x4b48, &(0x7f00000001c0)={0x97, "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"}) ioctl$MEDIA_IOC_REQUEST_ALLOC(r1, 0x80047c05, &(0x7f0000000180)) (async) sendmsg$RDMA_NLDEV_CMD_STAT_SET(r1, &(0x7f0000000500)={&(0x7f0000000400)={0x10, 0x0, 0x0, 0x20000000}, 0xc, &(0x7f00000004c0)={&(0x7f0000000440)=ANY=[@ANYBLOB="600000001014020028bd7000fcdbdf2508004c0001000000080003000400000008004f0002000000080001000200000008004f000100000008000100010000243ae90f0c16718c000800010001000000080003000100000008004a0000000000"], 0x60}, 0x1, 0x0, 0x0, 0x40040}, 0x1) (async) r2 = syz_open_dev$tty20(0xc, 0x4, 0x1) ioctl$TCSETSF(r2, 0x5404, &(0x7f0000000900)={0x0, 0x0, 0x0, 0x0, 0x0, "9750da5e3b38a0e557884e87596d6020c84d50"}) (async) ioctl$TIOCNOTTY(r2, 0x5422) sendmsg$BATADV_CMD_GET_ORIGINATORS(r1, &(0x7f0000000100)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x10}, 0xc, &(0x7f00000000c0)={&(0x7f0000000080)={0x2c, 0x0, 0x120, 0x70bd29, 0x25dfdbfb, {}, [@BATADV_ATTR_DISTRIBUTED_ARP_TABLE_ENABLED={0x5, 0x2f, 0x1}, @BATADV_ATTR_NETWORK_CODING_ENABLED={0x5, 0x38, 0xfc}, @BATADV_ATTR_AGGREGATED_OGMS_ENABLED={0x5}]}, 0x2c}, 0x1, 0x0, 0x0, 0x2000c094}, 0x4) ioctl$TIOCGPTPEER(r0, 0x5441, 0xdbb8) [ 1296.929022] block nbd3: not configured, cannot reconfigure 08:02:14 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000200), r1) sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f0000000200)={0x0, 0x0, &(0x7f00000001c0)={&(0x7f0000000140)={0x1c, r2, 0x1, 0x0, 0x7a, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x1c}}, 0x0) 08:02:14 executing program 4: syz_open_dev$ndb(&(0x7f00000002c0), 0x0, 0x0) r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000200), r1) sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f0000000200)={0x0, 0x0, &(0x7f00000001c0)={&(0x7f0000000140)={0x1c, r2, 0x1, 0x2, 0x0, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x1c}}, 0x0) 08:02:14 executing program 0: openat$fuse(0xffffffffffffff9c, &(0x7f0000000000), 0x2, 0x0) r0 = syz_open_dev$ndb(&(0x7f00000002c0), 0x0, 0x0) ioctl$USBDEVFS_GETDRIVER(0xffffffffffffffff, 0x41045508, &(0x7f0000000040)={0x10000, "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"}) ioctl$NBD_SET_SOCK(r0, 0x5452, 0xffffffffffffffff) r1 = syz_open_dev$vcsn(&(0x7f0000000140), 0x1, 0x0) ioctl$MEDIA_IOC_REQUEST_ALLOC(r1, 0x80047c05, &(0x7f0000000180)) ioctl$NBD_SET_BLKSIZE(r1, 0xab01, 0x1) 08:02:14 executing program 1: syz_open_dev$ndb(&(0x7f00000002c0), 0x0, 0x0) r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000200), r1) sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f0000000200)={0x0, 0x0, &(0x7f00000001c0)={&(0x7f0000000140)={0x1c, r2, 0x1, 0x0, 0x68, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x1c}}, 0x0) [ 1296.979074] block nbd4: not configured, cannot reconfigure [ 1297.004556] block nbd1: not configured, cannot reconfigure 08:02:14 executing program 2: r0 = openat$ptmx(0xffffffffffffff9c, &(0x7f0000000040), 0x0, 0x0) (async) r1 = syz_open_dev$vcsn(&(0x7f0000000140), 0x1, 0x0) ioctl$KDGKBSENT(r1, 0x4b48, &(0x7f00000001c0)={0x97, "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"}) (async) ioctl$MEDIA_IOC_REQUEST_ALLOC(r1, 0x80047c05, &(0x7f0000000180)) (async) sendmsg$RDMA_NLDEV_CMD_STAT_SET(r1, &(0x7f0000000500)={&(0x7f0000000400)={0x10, 0x0, 0x0, 0x20000000}, 0xc, &(0x7f00000004c0)={&(0x7f0000000440)=ANY=[@ANYBLOB="600000001014020028bd7000fcdbdf2508004c0001000000080003000400000008004f0002000000080001000200000008004f000100000008000100010000243ae90f0c16718c000800010001000000080003000100000008004a0000000000"], 0x60}, 0x1, 0x0, 0x0, 0x40040}, 0x1) (async) r2 = syz_open_dev$tty20(0xc, 0x4, 0x1) ioctl$TCSETSF(r2, 0x5404, &(0x7f0000000900)={0x0, 0x0, 0x0, 0x0, 0x0, "9750da5e3b38a0e557884e87596d6020c84d50"}) (async) ioctl$TIOCNOTTY(r2, 0x5422) sendmsg$BATADV_CMD_GET_ORIGINATORS(r1, &(0x7f0000000100)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x10}, 0xc, &(0x7f00000000c0)={&(0x7f0000000080)={0x2c, 0x0, 0x120, 0x70bd29, 0x25dfdbfb, {}, [@BATADV_ATTR_DISTRIBUTED_ARP_TABLE_ENABLED={0x5, 0x2f, 0x1}, @BATADV_ATTR_NETWORK_CODING_ENABLED={0x5, 0x38, 0xfc}, @BATADV_ATTR_AGGREGATED_OGMS_ENABLED={0x5}]}, 0x2c}, 0x1, 0x0, 0x0, 0x2000c094}, 0x4) (async) ioctl$TIOCGPTPEER(r0, 0x5441, 0xdbb8) 08:02:14 executing program 5: r0 = syz_open_dev$ndb(&(0x7f00000002c0), 0x0, 0x0) ioctl$NBD_SET_SOCK(r0, 0x5421, 0xffffffffffffffff) r1 = socket(0x90d961c51a44543e, 0x2, 0x6) (async) r2 = syz_genetlink_get_family_id$nl80211(&(0x7f0000000180), 0xffffffffffffffff) sendmsg$NL80211_CMD_CRIT_PROTOCOL_START(r1, &(0x7f0000000240)={&(0x7f0000000140)={0x10, 0x0, 0x0, 0x800000}, 0xc, &(0x7f0000000200)={&(0x7f0000000300)=ANY=[@ANYBLOB="3c00000011a587a337b20d968a9ac24857036640b7725e781675faf187c81e7b5a697daa30ff1dc17035a84a3c120a9d41a601cae39d3a5f8acf021c06c7c9cea04557dc6f455fc829e3bd6927d27a9abd6d6a58def278e0e6b9065013ef3ba73ebd92f235dea50a5910f997217625b3c71d04ac6c8b6779b8e3c2966bdb0c378fbe9844441f9069b0d9d68d05d25fd0107daa85e13fddf7141571cd1011c53b2d9ea9ec3e6aa4103b9799602fbe006b74af22c29ddd937fd5eb0f242bbf6253863aae9fb19fe5a0107beedc0fea98ef6473594535e6432fbbe8ebda78fb2f60351718cdcf3788", @ANYRES16=r2, @ANYBLOB="000226bd7000ffdbdf25620000000600b300020000000600b300030000000600b400960800000600b400bc0900000600b30002000000"], 0x3c}, 0x1, 0x0, 0x0, 0x20000000}, 0x40004) (async, rerun: 64) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (rerun: 64) r4 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), 0xffffffffffffffff) sendmsg$NBD_CMD_DISCONNECT(r3, &(0x7f0000000100)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x80000000}, 0xc, &(0x7f00000000c0)={&(0x7f0000000080)={0x14, r4, 0x2, 0x70bd27, 0x25dfdbfb}, 0x14}, 0x1, 0x0, 0x0, 0x4000000}, 0x20040001) (async) r5 = syz_open_dev$tty20(0xc, 0x4, 0x1) ioctl$TCSETSF(r5, 0x5404, &(0x7f0000000900)={0x0, 0x0, 0x2, 0x0, 0x0, "9750da5e3b38a0e557884e87596d6020c84d50"}) (async) ioctl$KDSKBMETA(r5, 0x4b63, &(0x7f0000000280)=0x4) 08:02:14 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000200), r1) sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f0000000200)={0x0, 0x0, &(0x7f00000001c0)={&(0x7f0000000140)={0x1c, r2, 0x1, 0x0, 0xf0, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x1c}}, 0x0) [ 1297.063799] block nbd3: not configured, cannot reconfigure 08:02:14 executing program 0: openat$fuse(0xffffffffffffff9c, &(0x7f0000000000), 0x2, 0x0) r0 = syz_open_dev$ndb(&(0x7f00000002c0), 0x0, 0x0) ioctl$USBDEVFS_GETDRIVER(0xffffffffffffffff, 0x41045508, &(0x7f0000000040)={0x10000, "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"}) ioctl$NBD_SET_SOCK(r0, 0x5452, 0xffffffffffffffff) r1 = syz_open_dev$vcsn(&(0x7f0000000140), 0x1, 0x0) ioctl$MEDIA_IOC_REQUEST_ALLOC(r1, 0x80047c05, &(0x7f0000000180)) ioctl$NBD_SET_BLKSIZE(r1, 0xab01, 0x1) openat$fuse(0xffffffffffffff9c, &(0x7f0000000000), 0x2, 0x0) (async) syz_open_dev$ndb(&(0x7f00000002c0), 0x0, 0x0) (async) ioctl$USBDEVFS_GETDRIVER(0xffffffffffffffff, 0x41045508, &(0x7f0000000040)={0x10000, "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"}) (async) ioctl$NBD_SET_SOCK(r0, 0x5452, 0xffffffffffffffff) (async) syz_open_dev$vcsn(&(0x7f0000000140), 0x1, 0x0) (async) ioctl$MEDIA_IOC_REQUEST_ALLOC(r1, 0x80047c05, &(0x7f0000000180)) (async) ioctl$NBD_SET_BLKSIZE(r1, 0xab01, 0x1) (async) 08:02:14 executing program 1: syz_open_dev$ndb(&(0x7f00000002c0), 0x0, 0x0) r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000200), r1) sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f0000000200)={0x0, 0x0, &(0x7f00000001c0)={&(0x7f0000000140)={0x1c, r2, 0x1, 0x0, 0x6c, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x1c}}, 0x0) [ 1297.119416] block nbd1: not configured, cannot reconfigure [ 1297.155715] block nbd4: not configured, cannot reconfigure 08:02:14 executing program 2: r0 = openat$ptmx(0xffffffffffffff9c, &(0x7f0000000040), 0x0, 0x0) ioctl$TIOCGPTPEER(r0, 0x5441, 0xdbb8) ioctl$TIOCSTI(r0, 0x5412, &(0x7f0000000000)=0x40) ioctl$TIOCGPTPEER(r0, 0x5441, 0x4) ioctl$KDSETMODE(r0, 0x4b3a, 0x1) 08:02:14 executing program 4: syz_open_dev$ndb(&(0x7f00000002c0), 0x0, 0x0) r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000200), r1) sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f0000000200)={0x0, 0x0, &(0x7f00000001c0)={&(0x7f0000000140)={0x1c, r2, 0x1, 0x3, 0x0, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x1c}}, 0x0) 08:02:14 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000200), r1) sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f0000000200)={0x0, 0x0, &(0x7f00000001c0)={&(0x7f0000000140)={0x1c, r2, 0x1, 0x0, 0x300, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x1c}}, 0x0) [ 1297.195540] block nbd3: not configured, cannot reconfigure 08:02:14 executing program 1: syz_open_dev$ndb(&(0x7f00000002c0), 0x0, 0x0) r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000200), r1) sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f0000000200)={0x0, 0x0, &(0x7f00000001c0)={&(0x7f0000000140)={0x1c, r2, 0x1, 0x0, 0x74, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x1c}}, 0x0) [ 1297.242906] block nbd1: not configured, cannot reconfigure 08:02:14 executing program 0: openat$fuse(0xffffffffffffff9c, &(0x7f0000000000), 0x2, 0x0) r0 = syz_open_dev$ndb(&(0x7f00000002c0), 0x0, 0x0) ioctl$USBDEVFS_GETDRIVER(0xffffffffffffffff, 0x41045508, &(0x7f0000000040)={0x10000, "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"}) ioctl$NBD_SET_SOCK(r0, 0x5452, 0xffffffffffffffff) r1 = syz_open_dev$vcsn(&(0x7f0000000140), 0x1, 0x0) ioctl$MEDIA_IOC_REQUEST_ALLOC(r1, 0x80047c05, &(0x7f0000000180)) ioctl$NBD_SET_BLKSIZE(r1, 0xab01, 0x1) openat$fuse(0xffffffffffffff9c, &(0x7f0000000000), 0x2, 0x0) (async) syz_open_dev$ndb(&(0x7f00000002c0), 0x0, 0x0) (async) ioctl$USBDEVFS_GETDRIVER(0xffffffffffffffff, 0x41045508, &(0x7f0000000040)={0x10000, "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"}) (async) ioctl$NBD_SET_SOCK(r0, 0x5452, 0xffffffffffffffff) (async) syz_open_dev$vcsn(&(0x7f0000000140), 0x1, 0x0) (async) ioctl$MEDIA_IOC_REQUEST_ALLOC(r1, 0x80047c05, &(0x7f0000000180)) (async) ioctl$NBD_SET_BLKSIZE(r1, 0xab01, 0x1) (async) 08:02:14 executing program 2: r0 = openat$ptmx(0xffffffffffffff9c, &(0x7f0000000040), 0x0, 0x0) ioctl$TIOCGPTPEER(r0, 0x5441, 0xdbb8) (async) ioctl$TIOCSTI(r0, 0x5412, &(0x7f0000000000)=0x40) (async, rerun: 64) ioctl$TIOCGPTPEER(r0, 0x5441, 0x4) (async, rerun: 64) ioctl$KDSETMODE(r0, 0x4b3a, 0x1) [ 1297.315423] block nbd4: not configured, cannot reconfigure 08:02:14 executing program 5: r0 = syz_open_dev$ndb(&(0x7f00000002c0), 0x0, 0x0) r1 = open(&(0x7f0000000000)='./file0\x00', 0x410000, 0x0) ioctl$NBD_SET_SOCK(r0, 0x5421, r1) ioctl$AUTOFS_DEV_IOCTL_PROTOVER(0xffffffffffffffff, 0xc0189372, &(0x7f0000000040)=ANY=[@ANYBLOB='\x00'/12, @ANYRES32=r1, @ANYBLOB="d6f5ffff000000002e2f66696c653000"]) ioctl$SECCOMP_IOCTL_NOTIF_RECV(0xffffffffffffffff, 0xc0502100, &(0x7f0000000080)={0x0}) r4 = openat$tun(0xffffffffffffff9c, &(0x7f0000000100), 0x100, 0x0) ioctl$SECCOMP_IOCTL_NOTIF_ADDFD(r2, 0x40182103, &(0x7f0000000140)={r3, 0x0, r4, 0x8001}) 08:02:14 executing program 4: syz_open_dev$ndb(&(0x7f00000002c0), 0x0, 0x0) r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000200), r1) sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f0000000200)={0x0, 0x0, &(0x7f00000001c0)={&(0x7f0000000140)={0x1c, r2, 0x1, 0x4, 0x0, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x1c}}, 0x0) 08:02:15 executing program 2: r0 = openat$ptmx(0xffffffffffffff9c, &(0x7f0000000040), 0x0, 0x0) ioctl$TIOCGPTPEER(r0, 0x5441, 0xdbb8) ioctl$TIOCSTI(r0, 0x5412, &(0x7f0000000000)=0x40) ioctl$TIOCGPTPEER(r0, 0x5441, 0x4) ioctl$KDSETMODE(r0, 0x4b3a, 0x1) openat$ptmx(0xffffffffffffff9c, &(0x7f0000000040), 0x0, 0x0) (async) ioctl$TIOCGPTPEER(r0, 0x5441, 0xdbb8) (async) ioctl$TIOCSTI(r0, 0x5412, &(0x7f0000000000)=0x40) (async) ioctl$TIOCGPTPEER(r0, 0x5441, 0x4) (async) ioctl$KDSETMODE(r0, 0x4b3a, 0x1) (async) 08:02:15 executing program 4: syz_open_dev$ndb(&(0x7f00000002c0), 0x0, 0x0) r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000200), r1) sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f0000000200)={0x0, 0x0, &(0x7f00000001c0)={&(0x7f0000000140)={0x1c, r2, 0x1, 0x5, 0x0, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x1c}}, 0x0) [ 1297.511060] block nbd4: not configured, cannot reconfigure 08:02:15 executing program 0: r0 = syz_open_dev$ndb(&(0x7f00000002c0), 0x0, 0x0) r1 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x2) ioctl$NBD_CLEAR_SOCK(r1, 0xab04) ioctl$NBD_SET_SOCK(r0, 0x5452, 0xffffffffffffffff) 08:02:15 executing program 5: r0 = syz_open_dev$ndb(&(0x7f00000002c0), 0x0, 0x0) r1 = open(&(0x7f0000000000)='./file0\x00', 0x410000, 0x0) ioctl$NBD_SET_SOCK(r0, 0x5421, r1) (async) ioctl$AUTOFS_DEV_IOCTL_PROTOVER(0xffffffffffffffff, 0xc0189372, &(0x7f0000000040)=ANY=[@ANYBLOB='\x00'/12, @ANYRES32=r1, @ANYBLOB="d6f5ffff000000002e2f66696c653000"]) (async) ioctl$SECCOMP_IOCTL_NOTIF_RECV(0xffffffffffffffff, 0xc0502100, &(0x7f0000000080)={0x0}) (async) r4 = openat$tun(0xffffffffffffff9c, &(0x7f0000000100), 0x100, 0x0) ioctl$SECCOMP_IOCTL_NOTIF_ADDFD(r2, 0x40182103, &(0x7f0000000140)={r3, 0x0, r4, 0x8001}) 08:02:15 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000200), r1) sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f0000000200)={0x0, 0x0, &(0x7f00000001c0)={&(0x7f0000000140)={0x1c, r2, 0x1, 0x0, 0x500, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x1c}}, 0x0) 08:02:15 executing program 1: syz_open_dev$ndb(&(0x7f00000002c0), 0x0, 0x0) r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000200), r1) sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f0000000200)={0x0, 0x0, &(0x7f00000001c0)={&(0x7f0000000140)={0x1c, r2, 0x1, 0x0, 0x7a, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x1c}}, 0x0) [ 1297.573131] block nbd3: not configured, cannot reconfigure [ 1297.597995] block nbd1: not configured, cannot reconfigure 08:02:15 executing program 2: r0 = openat$ptmx(0xffffffffffffff9c, &(0x7f0000000040), 0x0, 0x0) r1 = syz_open_dev$tty20(0xc, 0x4, 0x1) ioctl$TCSETSF(r1, 0x5404, &(0x7f0000000900)={0x0, 0x0, 0x0, 0x0, 0x0, "9750da5e3b38a0e557884e87596d6020c84d50"}) r2 = ioctl$TIOCGPTPEER(r0, 0x5441, 0xffffffff) ioctl$TIOCSTI(r2, 0x5412, &(0x7f0000000000)=0x9) ioctl$TIOCGPTPEER(r0, 0x5441, 0x2000000dbb4) r3 = openat$ptmx(0xffffffffffffff9c, &(0x7f0000000080), 0x191000, 0x0) ioctl$TIOCMIWAIT(r3, 0x545c, 0x0) 08:02:15 executing program 4: syz_open_dev$ndb(&(0x7f00000002c0), 0x0, 0x0) r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000200), r1) sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f0000000200)={0x0, 0x0, &(0x7f00000001c0)={&(0x7f0000000140)={0x1c, r2, 0x1, 0x6, 0x0, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x1c}}, 0x0) [ 1297.654994] block nbd4: not configured, cannot reconfigure 08:02:15 executing program 0: r0 = syz_open_dev$ndb(&(0x7f00000002c0), 0x0, 0x0) (async) r1 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x2) ioctl$NBD_CLEAR_SOCK(r1, 0xab04) ioctl$NBD_SET_SOCK(r0, 0x5452, 0xffffffffffffffff) 08:02:15 executing program 5: r0 = syz_open_dev$ndb(&(0x7f00000002c0), 0x0, 0x0) (async) r1 = open(&(0x7f0000000000)='./file0\x00', 0x410000, 0x0) ioctl$NBD_SET_SOCK(r0, 0x5421, r1) (async) ioctl$AUTOFS_DEV_IOCTL_PROTOVER(0xffffffffffffffff, 0xc0189372, &(0x7f0000000040)=ANY=[@ANYBLOB='\x00'/12, @ANYRES32=r1, @ANYBLOB="d6f5ffff000000002e2f66696c653000"]) (async) ioctl$SECCOMP_IOCTL_NOTIF_RECV(0xffffffffffffffff, 0xc0502100, &(0x7f0000000080)={0x0}) r4 = openat$tun(0xffffffffffffff9c, &(0x7f0000000100), 0x100, 0x0) ioctl$SECCOMP_IOCTL_NOTIF_ADDFD(r2, 0x40182103, &(0x7f0000000140)={r3, 0x0, r4, 0x8001}) 08:02:15 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000200), r1) sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f0000000200)={0x0, 0x0, &(0x7f00000001c0)={&(0x7f0000000140)={0x1c, r2, 0x1, 0x0, 0x600, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x1c}}, 0x0) 08:02:15 executing program 1: syz_open_dev$ndb(&(0x7f00000002c0), 0x0, 0x0) r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000200), r1) sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f0000000200)={0x0, 0x0, &(0x7f00000001c0)={&(0x7f0000000140)={0x1c, r2, 0x1, 0x0, 0xf0, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x1c}}, 0x0) 08:02:15 executing program 2: openat$ptmx(0xffffffffffffff9c, &(0x7f0000000040), 0x0, 0x0) (async) r0 = openat$ptmx(0xffffffffffffff9c, &(0x7f0000000040), 0x0, 0x0) r1 = syz_open_dev$tty20(0xc, 0x4, 0x1) ioctl$TCSETSF(r1, 0x5404, &(0x7f0000000900)={0x0, 0x0, 0x0, 0x0, 0x0, "9750da5e3b38a0e557884e87596d6020c84d50"}) (async) ioctl$TCSETSF(r1, 0x5404, &(0x7f0000000900)={0x0, 0x0, 0x0, 0x0, 0x0, "9750da5e3b38a0e557884e87596d6020c84d50"}) r2 = ioctl$TIOCGPTPEER(r0, 0x5441, 0xffffffff) ioctl$TIOCSTI(r2, 0x5412, &(0x7f0000000000)=0x9) ioctl$TIOCGPTPEER(r0, 0x5441, 0x2000000dbb4) r3 = openat$ptmx(0xffffffffffffff9c, &(0x7f0000000080), 0x191000, 0x0) ioctl$TIOCMIWAIT(r3, 0x545c, 0x0) [ 1297.723627] block nbd3: not configured, cannot reconfigure [ 1297.743562] block nbd1: not configured, cannot reconfigure 08:02:15 executing program 0: r0 = syz_open_dev$ndb(&(0x7f00000002c0), 0x0, 0x0) r1 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x2) ioctl$NBD_CLEAR_SOCK(r1, 0xab04) (async) ioctl$NBD_SET_SOCK(r0, 0x5452, 0xffffffffffffffff) 08:02:15 executing program 4: syz_open_dev$ndb(&(0x7f00000002c0), 0x0, 0x0) r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000200), r1) sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f0000000200)={0x0, 0x0, &(0x7f00000001c0)={&(0x7f0000000140)={0x1c, r2, 0x1, 0x7, 0x0, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x1c}}, 0x0) 08:02:15 executing program 5: r0 = syz_open_dev$ndb(&(0x7f00000002c0), 0x0, 0x0) ioctl$NBD_SET_SOCK(r0, 0x5421, 0xffffffffffffffff) r1 = syz_open_dev$vcsn(&(0x7f0000000140), 0x1, 0x0) ioctl$MEDIA_IOC_REQUEST_ALLOC(r1, 0x80047c05, &(0x7f0000000180)) r2 = openat$ptmx(0xffffffffffffff9c, &(0x7f0000000000), 0x80000, 0x0) ioctl$TCSETAF(r2, 0x5408, &(0x7f0000000040)={0x70e, 0x9, 0xe30, 0xc3, 0x0, "e20dcb05cbe71c4e"}) ioctl$NBD_CLEAR_SOCK(r1, 0xab04) 08:02:15 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000200), r1) sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f0000000200)={0x0, 0x0, &(0x7f00000001c0)={&(0x7f0000000140)={0x1c, r2, 0x1, 0x0, 0x700, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x1c}}, 0x0) [ 1297.815393] block nbd4: not configured, cannot reconfigure [ 1297.855425] block nbd3: not configured, cannot reconfigure 08:02:15 executing program 1: syz_open_dev$ndb(&(0x7f00000002c0), 0x0, 0x0) r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000200), r1) sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f0000000200)={0x0, 0x0, &(0x7f00000001c0)={&(0x7f0000000140)={0x1c, r2, 0x1, 0x0, 0x300, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x1c}}, 0x0) 08:02:15 executing program 2: r0 = openat$ptmx(0xffffffffffffff9c, &(0x7f0000000040), 0x0, 0x0) (async, rerun: 64) r1 = syz_open_dev$tty20(0xc, 0x4, 0x1) (rerun: 64) ioctl$TCSETSF(r1, 0x5404, &(0x7f0000000900)={0x0, 0x0, 0x0, 0x0, 0x0, "9750da5e3b38a0e557884e87596d6020c84d50"}) r2 = ioctl$TIOCGPTPEER(r0, 0x5441, 0xffffffff) ioctl$TIOCSTI(r2, 0x5412, &(0x7f0000000000)=0x9) (async) ioctl$TIOCGPTPEER(r0, 0x5441, 0x2000000dbb4) (async) r3 = openat$ptmx(0xffffffffffffff9c, &(0x7f0000000080), 0x191000, 0x0) ioctl$TIOCMIWAIT(r3, 0x545c, 0x0) [ 1297.896000] block nbd1: not configured, cannot reconfigure 08:02:15 executing program 0: r0 = syz_open_dev$ndb(&(0x7f00000002c0), 0x0, 0x0) ioctl$NBD_SET_SOCK(r0, 0x5452, 0xffffffffffffffff) syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x290080) 08:02:15 executing program 5: r0 = syz_open_dev$ndb(&(0x7f00000002c0), 0x0, 0x0) ioctl$NBD_SET_SOCK(r0, 0x5421, 0xffffffffffffffff) r1 = syz_open_dev$vcsn(&(0x7f0000000140), 0x1, 0x0) ioctl$MEDIA_IOC_REQUEST_ALLOC(r1, 0x80047c05, &(0x7f0000000180)) openat$ptmx(0xffffffffffffff9c, &(0x7f0000000000), 0x80000, 0x0) (async) r2 = openat$ptmx(0xffffffffffffff9c, &(0x7f0000000000), 0x80000, 0x0) ioctl$TCSETAF(r2, 0x5408, &(0x7f0000000040)={0x70e, 0x9, 0xe30, 0xc3, 0x0, "e20dcb05cbe71c4e"}) ioctl$NBD_CLEAR_SOCK(r1, 0xab04) (async) ioctl$NBD_CLEAR_SOCK(r1, 0xab04) 08:02:15 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000200), r1) sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f0000000200)={0x0, 0x0, &(0x7f00000001c0)={&(0x7f0000000140)={0x1c, r2, 0x1, 0x0, 0xf00, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x1c}}, 0x0) [ 1297.980215] block nbd3: not configured, cannot reconfigure [ 1297.995732] block nbd4: not configured, cannot reconfigure 08:02:15 executing program 4: syz_open_dev$ndb(&(0x7f00000002c0), 0x0, 0x0) r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000200), r1) sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f0000000200)={0x0, 0x0, &(0x7f00000001c0)={&(0x7f0000000140)={0x1c, r2, 0x1, 0xf, 0x0, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x1c}}, 0x0) 08:02:15 executing program 0: r0 = syz_open_dev$ndb(&(0x7f00000002c0), 0x0, 0x0) ioctl$NBD_SET_SOCK(r0, 0x5452, 0xffffffffffffffff) syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x290080) (async) syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x290080) [ 1298.041320] block nbd1: not configured, cannot reconfigure 08:02:15 executing program 1: syz_open_dev$ndb(&(0x7f00000002c0), 0x0, 0x0) r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000200), r1) sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f0000000200)={0x0, 0x0, &(0x7f00000001c0)={&(0x7f0000000140)={0x1c, r2, 0x1, 0x0, 0x500, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x1c}}, 0x0) 08:02:15 executing program 5: r0 = syz_open_dev$ndb(&(0x7f00000002c0), 0x0, 0x0) ioctl$NBD_SET_SOCK(r0, 0x5421, 0xffffffffffffffff) r1 = syz_open_dev$vcsn(&(0x7f0000000140), 0x1, 0x0) ioctl$MEDIA_IOC_REQUEST_ALLOC(r1, 0x80047c05, &(0x7f0000000180)) r2 = openat$ptmx(0xffffffffffffff9c, &(0x7f0000000000), 0x80000, 0x0) ioctl$TCSETAF(r2, 0x5408, &(0x7f0000000040)={0x70e, 0x9, 0xe30, 0xc3, 0x0, "e20dcb05cbe71c4e"}) ioctl$NBD_CLEAR_SOCK(r1, 0xab04) [ 1298.120695] block nbd3: not configured, cannot reconfigure 08:02:15 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000200), r1) sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f0000000200)={0x0, 0x0, &(0x7f00000001c0)={&(0x7f0000000140)={0x1c, r2, 0x1, 0x0, 0x2000, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x1c}}, 0x0) 08:02:15 executing program 0: r0 = syz_open_dev$ndb(&(0x7f00000002c0), 0x0, 0x0) ioctl$NBD_SET_SOCK(r0, 0x5452, 0xffffffffffffffff) syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x290080) (async) syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x290080) 08:02:15 executing program 4: syz_open_dev$ndb(&(0x7f00000002c0), 0x0, 0x0) r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000200), r1) sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f0000000200)={0x0, 0x0, &(0x7f00000001c0)={&(0x7f0000000140)={0x1c, r2, 0x1, 0x48, 0x0, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x1c}}, 0x0) [ 1298.170996] block nbd4: not configured, cannot reconfigure [ 1298.198597] block nbd1: not configured, cannot reconfigure 08:02:15 executing program 1: syz_open_dev$ndb(&(0x7f00000002c0), 0x0, 0x0) r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000200), r1) sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f0000000200)={0x0, 0x0, &(0x7f00000001c0)={&(0x7f0000000140)={0x1c, r2, 0x1, 0x0, 0x600, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x1c}}, 0x0) [ 1298.283027] block nbd3: not configured, cannot reconfigure [ 1298.333428] block nbd1: not configured, cannot reconfigure [ 1298.359217] block nbd4: not configured, cannot reconfigure 08:02:15 executing program 2: r0 = openat$ptmx(0xffffffffffffff9c, &(0x7f0000000040), 0x0, 0x0) ioctl$TIOCGPTPEER(r0, 0x5441, 0xdbb8) r1 = syz_open_dev$vcsn(&(0x7f0000000140), 0x1, 0x0) ioctl$MEDIA_IOC_REQUEST_ALLOC(r1, 0x80047c05, &(0x7f0000000180)) ioctl$SECCOMP_IOCTL_NOTIF_ADDFD(r1, 0x40182103, &(0x7f0000000000)={0x0, 0x2, r0, 0x9, 0x80000}) 08:02:15 executing program 5: ioctl$PIO_FONTX(0xffffffffffffffff, 0x4b6c, &(0x7f0000000000)={0x132, 0x3, &(0x7f0000000300)="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"}) r0 = syz_open_dev$ndb(&(0x7f00000002c0), 0x0, 0x0) ioctl$NBD_SET_SOCK(r0, 0x5421, 0xffffffffffffffff) 08:02:15 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000200), r1) sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f0000000200)={0x0, 0x0, &(0x7f00000001c0)={&(0x7f0000000140)={0x1c, r2, 0x1, 0x0, 0x4800, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x1c}}, 0x0) 08:02:15 executing program 0: r0 = syz_open_dev$ndb(&(0x7f00000002c0), 0x0, 0x0) ioctl$NBD_SET_SOCK(r0, 0x5452, 0xffffffffffffffff) bpf$ENABLE_STATS(0x20, &(0x7f0000000000), 0x4) 08:02:15 executing program 1: syz_open_dev$ndb(&(0x7f00000002c0), 0x0, 0x0) r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000200), r1) sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f0000000200)={0x0, 0x0, &(0x7f00000001c0)={&(0x7f0000000140)={0x1c, r2, 0x1, 0x0, 0x700, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x1c}}, 0x0) 08:02:15 executing program 4: syz_open_dev$ndb(&(0x7f00000002c0), 0x0, 0x0) r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000200), r1) sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f0000000200)={0x0, 0x0, &(0x7f00000001c0)={&(0x7f0000000140)={0x1c, r2, 0x1, 0x4c, 0x0, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x1c}}, 0x0) 08:02:16 executing program 5: ioctl$PIO_FONTX(0xffffffffffffffff, 0x4b6c, &(0x7f0000000000)={0x132, 0x3, &(0x7f0000000300)="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"}) r0 = syz_open_dev$ndb(&(0x7f00000002c0), 0x0, 0x0) ioctl$NBD_SET_SOCK(r0, 0x5421, 0xffffffffffffffff) ioctl$PIO_FONTX(0xffffffffffffffff, 0x4b6c, &(0x7f0000000000)={0x132, 0x3, &(0x7f0000000300)="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"}) (async) syz_open_dev$ndb(&(0x7f00000002c0), 0x0, 0x0) (async) ioctl$NBD_SET_SOCK(r0, 0x5421, 0xffffffffffffffff) (async) 08:02:16 executing program 0: syz_open_dev$ndb(&(0x7f00000002c0), 0x0, 0x0) (async) r0 = syz_open_dev$ndb(&(0x7f00000002c0), 0x0, 0x0) ioctl$NBD_SET_SOCK(r0, 0x5452, 0xffffffffffffffff) bpf$ENABLE_STATS(0x20, &(0x7f0000000000), 0x4) 08:02:16 executing program 2: r0 = openat$ptmx(0xffffffffffffff9c, &(0x7f0000000040), 0x0, 0x0) ioctl$TIOCGPTPEER(r0, 0x5441, 0xdbb8) r1 = syz_open_dev$vcsn(&(0x7f0000000140), 0x1, 0x0) ioctl$MEDIA_IOC_REQUEST_ALLOC(r1, 0x80047c05, &(0x7f0000000180)) ioctl$SECCOMP_IOCTL_NOTIF_ADDFD(r1, 0x40182103, &(0x7f0000000000)={0x0, 0x2, r0, 0x9, 0x80000}) openat$ptmx(0xffffffffffffff9c, &(0x7f0000000040), 0x0, 0x0) (async) ioctl$TIOCGPTPEER(r0, 0x5441, 0xdbb8) (async) syz_open_dev$vcsn(&(0x7f0000000140), 0x1, 0x0) (async) ioctl$MEDIA_IOC_REQUEST_ALLOC(r1, 0x80047c05, &(0x7f0000000180)) (async) ioctl$SECCOMP_IOCTL_NOTIF_ADDFD(r1, 0x40182103, &(0x7f0000000000)={0x0, 0x2, r0, 0x9, 0x80000}) (async) 08:02:16 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000200), r1) sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f0000000200)={0x0, 0x0, &(0x7f00000001c0)={&(0x7f0000000140)={0x1c, r2, 0x1, 0x0, 0x4c00, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x1c}}, 0x0) 08:02:16 executing program 1: syz_open_dev$ndb(&(0x7f00000002c0), 0x0, 0x0) r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000200), r1) sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f0000000200)={0x0, 0x0, &(0x7f00000001c0)={&(0x7f0000000140)={0x1c, r2, 0x1, 0x0, 0xf00, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x1c}}, 0x0) [ 1298.526976] block nbd3: not configured, cannot reconfigure [ 1298.543403] block nbd1: not configured, cannot reconfigure [ 1298.553615] block nbd4: not configured, cannot reconfigure 08:02:16 executing program 4: syz_open_dev$ndb(&(0x7f00000002c0), 0x0, 0x0) r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000200), r1) sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f0000000200)={0x0, 0x0, &(0x7f00000001c0)={&(0x7f0000000140)={0x1c, r2, 0x1, 0x60, 0x0, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x1c}}, 0x0) 08:02:16 executing program 0: r0 = syz_open_dev$ndb(&(0x7f00000002c0), 0x0, 0x0) ioctl$NBD_SET_SOCK(r0, 0x5452, 0xffffffffffffffff) bpf$ENABLE_STATS(0x20, &(0x7f0000000000), 0x4) (async) bpf$ENABLE_STATS(0x20, &(0x7f0000000000), 0x4) 08:02:16 executing program 5: ioctl$PIO_FONTX(0xffffffffffffffff, 0x4b6c, &(0x7f0000000000)={0x132, 0x3, &(0x7f0000000300)="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"}) syz_open_dev$ndb(&(0x7f00000002c0), 0x0, 0x0) (async) r0 = syz_open_dev$ndb(&(0x7f00000002c0), 0x0, 0x0) ioctl$NBD_SET_SOCK(r0, 0x5421, 0xffffffffffffffff) 08:02:16 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000200), r1) sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f0000000200)={0x0, 0x0, &(0x7f00000001c0)={&(0x7f0000000140)={0x1c, r2, 0x1, 0x0, 0x6000, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x1c}}, 0x0) [ 1298.684545] block nbd3: not configured, cannot reconfigure [ 1298.704418] block nbd1: not configured, cannot reconfigure 08:02:16 executing program 2: r0 = openat$ptmx(0xffffffffffffff9c, &(0x7f0000000040), 0x0, 0x0) ioctl$TIOCGPTPEER(r0, 0x5441, 0xdbb8) (async) r1 = syz_open_dev$vcsn(&(0x7f0000000140), 0x1, 0x0) ioctl$MEDIA_IOC_REQUEST_ALLOC(r1, 0x80047c05, &(0x7f0000000180)) ioctl$SECCOMP_IOCTL_NOTIF_ADDFD(r1, 0x40182103, &(0x7f0000000000)={0x0, 0x2, r0, 0x9, 0x80000}) 08:02:16 executing program 0: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x30501) r1 = socket(0x10, 0x2, 0x3) getsockopt$bt_BT_VOICE(r1, 0x112, 0xb, &(0x7f0000000080)=0x4, &(0x7f00000000c0)=0x2) ioctl$NBD_DISCONNECT(r0, 0xab08) ioctl$AUTOFS_DEV_IOCTL_PROTOVER(0xffffffffffffffff, 0xc0189372, &(0x7f0000000040)={{0x1, 0x1, 0x18, r0, {0xe62}}, './file0\x00'}) 08:02:16 executing program 4: syz_open_dev$ndb(&(0x7f00000002c0), 0x0, 0x0) r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000200), r1) sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f0000000200)={0x0, 0x0, &(0x7f00000001c0)={&(0x7f0000000140)={0x1c, r2, 0x1, 0x68, 0x0, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x1c}}, 0x0) [ 1298.732398] block nbd4: not configured, cannot reconfigure 08:02:16 executing program 1: syz_open_dev$ndb(&(0x7f00000002c0), 0x0, 0x0) r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000200), r1) sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f0000000200)={0x0, 0x0, &(0x7f00000001c0)={&(0x7f0000000140)={0x1c, r2, 0x1, 0x0, 0x2000, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x1c}}, 0x0) 08:02:16 executing program 5: r0 = syz_open_dev$ndb(&(0x7f00000002c0), 0x0, 0x0) r1 = syz_open_dev$vcsn(&(0x7f0000000140), 0x1, 0x0) ioctl$MEDIA_IOC_REQUEST_ALLOC(r1, 0x80047c05, &(0x7f0000000180)) ioctl$NBD_DISCONNECT(r1, 0xab08) ioctl$NBD_SET_SOCK(r0, 0x5421, 0xffffffffffffffff) 08:02:16 executing program 2: seccomp$SECCOMP_SET_MODE_FILTER_LISTENER(0x1, 0xc, &(0x7f0000000080)={0x2, &(0x7f0000000000)=[{0x9, 0x7b, 0xb6, 0xeb0}, {0x3f, 0xfb, 0x9, 0x4}]}) r0 = openat$ptmx(0xffffffffffffff9c, &(0x7f0000000040), 0x101000, 0x0) ioctl$TIOCGPTPEER(r0, 0x5441, 0xdbb8) r1 = syz_open_pts(r0, 0xe8400) ioctl$KDGETLED(r1, 0x4b31, &(0x7f00000000c0)) 08:02:16 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000200), r1) sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f0000000200)={0x0, 0x0, &(0x7f00000001c0)={&(0x7f0000000140)={0x1c, r2, 0x1, 0x0, 0x6800, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x1c}}, 0x0) 08:02:16 executing program 0: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x30501) r1 = socket(0x10, 0x2, 0x3) getsockopt$bt_BT_VOICE(r1, 0x112, 0xb, &(0x7f0000000080)=0x4, &(0x7f00000000c0)=0x2) ioctl$NBD_DISCONNECT(r0, 0xab08) ioctl$AUTOFS_DEV_IOCTL_PROTOVER(0xffffffffffffffff, 0xc0189372, &(0x7f0000000040)={{0x1, 0x1, 0x18, r0, {0xe62}}, './file0\x00'}) syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x30501) (async) socket(0x10, 0x2, 0x3) (async) getsockopt$bt_BT_VOICE(r1, 0x112, 0xb, &(0x7f0000000080)=0x4, &(0x7f00000000c0)=0x2) (async) ioctl$NBD_DISCONNECT(r0, 0xab08) (async) ioctl$AUTOFS_DEV_IOCTL_PROTOVER(0xffffffffffffffff, 0xc0189372, &(0x7f0000000040)={{0x1, 0x1, 0x18, r0, {0xe62}}, './file0\x00'}) (async) [ 1298.821595] block nbd3: not configured, cannot reconfigure [ 1298.860807] block nbd4: not configured, cannot reconfigure 08:02:16 executing program 4: syz_open_dev$ndb(&(0x7f00000002c0), 0x0, 0x0) r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000200), r1) sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f0000000200)={0x0, 0x0, &(0x7f00000001c0)={&(0x7f0000000140)={0x1c, r2, 0x1, 0x6c, 0x0, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x1c}}, 0x0) 08:02:16 executing program 1: syz_open_dev$ndb(&(0x7f00000002c0), 0x0, 0x0) r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000200), r1) sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f0000000200)={0x0, 0x0, &(0x7f00000001c0)={&(0x7f0000000140)={0x1c, r2, 0x1, 0x0, 0x4800, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x1c}}, 0x0) [ 1298.889994] block nbd1: not configured, cannot reconfigure 08:02:16 executing program 5: r0 = syz_open_dev$ndb(&(0x7f00000002c0), 0x0, 0x0) (async, rerun: 64) r1 = syz_open_dev$vcsn(&(0x7f0000000140), 0x1, 0x0) (rerun: 64) ioctl$MEDIA_IOC_REQUEST_ALLOC(r1, 0x80047c05, &(0x7f0000000180)) (async, rerun: 32) ioctl$NBD_DISCONNECT(r1, 0xab08) (async, rerun: 32) ioctl$NBD_SET_SOCK(r0, 0x5421, 0xffffffffffffffff) 08:02:16 executing program 2: seccomp$SECCOMP_SET_MODE_FILTER_LISTENER(0x1, 0xc, &(0x7f0000000080)={0x2, &(0x7f0000000000)=[{0x9, 0x7b, 0xb6, 0xeb0}, {0x3f, 0xfb, 0x9, 0x4}]}) r0 = openat$ptmx(0xffffffffffffff9c, &(0x7f0000000040), 0x101000, 0x0) ioctl$TIOCGPTPEER(r0, 0x5441, 0xdbb8) r1 = syz_open_pts(r0, 0xe8400) ioctl$KDGETLED(r1, 0x4b31, &(0x7f00000000c0)) 08:02:16 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000200), r1) sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f0000000200)={0x0, 0x0, &(0x7f00000001c0)={&(0x7f0000000140)={0x1c, r2, 0x1, 0x0, 0x6c00, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x1c}}, 0x0) 08:02:16 executing program 4: syz_open_dev$ndb(&(0x7f00000002c0), 0x0, 0x0) r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000200), r1) sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f0000000200)={0x0, 0x0, &(0x7f00000001c0)={&(0x7f0000000140)={0x1c, r2, 0x1, 0x74, 0x0, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x1c}}, 0x0) [ 1298.971054] block nbd3: not configured, cannot reconfigure [ 1299.002113] block nbd4: not configured, cannot reconfigure 08:02:16 executing program 2: seccomp$SECCOMP_SET_MODE_FILTER_LISTENER(0x1, 0xc, &(0x7f0000000080)={0x2, &(0x7f0000000000)=[{0x9, 0x7b, 0xb6, 0xeb0}, {0x3f, 0xfb, 0x9, 0x4}]}) (async, rerun: 32) r0 = openat$ptmx(0xffffffffffffff9c, &(0x7f0000000040), 0x101000, 0x0) (rerun: 32) ioctl$TIOCGPTPEER(r0, 0x5441, 0xdbb8) r1 = syz_open_pts(r0, 0xe8400) ioctl$KDGETLED(r1, 0x4b31, &(0x7f00000000c0)) 08:02:16 executing program 0: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x30501) (async) r1 = socket(0x10, 0x2, 0x3) getsockopt$bt_BT_VOICE(r1, 0x112, 0xb, &(0x7f0000000080)=0x4, &(0x7f00000000c0)=0x2) ioctl$NBD_DISCONNECT(r0, 0xab08) (async) ioctl$AUTOFS_DEV_IOCTL_PROTOVER(0xffffffffffffffff, 0xc0189372, &(0x7f0000000040)={{0x1, 0x1, 0x18, r0, {0xe62}}, './file0\x00'}) 08:02:16 executing program 5: r0 = syz_open_dev$ndb(&(0x7f00000002c0), 0x0, 0x0) (async) r1 = syz_open_dev$vcsn(&(0x7f0000000140), 0x1, 0x0) ioctl$MEDIA_IOC_REQUEST_ALLOC(r1, 0x80047c05, &(0x7f0000000180)) (async) ioctl$NBD_DISCONNECT(r1, 0xab08) (async) ioctl$NBD_SET_SOCK(r0, 0x5421, 0xffffffffffffffff) [ 1299.065824] block nbd1: not configured, cannot reconfigure 08:02:16 executing program 1: syz_open_dev$ndb(&(0x7f00000002c0), 0x0, 0x0) r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000200), r1) sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f0000000200)={0x0, 0x0, &(0x7f00000001c0)={&(0x7f0000000140)={0x1c, r2, 0x1, 0x0, 0x4c00, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x1c}}, 0x0) 08:02:16 executing program 4: syz_open_dev$ndb(&(0x7f00000002c0), 0x0, 0x0) r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000200), r1) sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f0000000200)={0x0, 0x0, &(0x7f00000001c0)={&(0x7f0000000140)={0x1c, r2, 0x1, 0x7a, 0x0, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x1c}}, 0x0) 08:02:16 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000200), r1) sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f0000000200)={0x0, 0x0, &(0x7f00000001c0)={&(0x7f0000000140)={0x1c, r2, 0x1, 0x0, 0x7400, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x1c}}, 0x0) [ 1299.142848] block nbd4: not configured, cannot reconfigure [ 1299.158231] block nbd3: not configured, cannot reconfigure 08:02:16 executing program 0: r0 = syz_open_dev$ndb(&(0x7f00000002c0), 0x0, 0x0) ioctl$NBD_SET_SOCK(r0, 0x5452, 0xffffffffffffffff) r1 = syz_open_dev$vcsn(&(0x7f0000000140), 0x1, 0x0) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), 0xffffffffffffffff) sendmsg$NBD_CMD_DISCONNECT(0xffffffffffffffff, &(0x7f00000001c0)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x1000008}, 0xc, &(0x7f0000000100)={&(0x7f00000000c0)={0x2c, r2, 0x200, 0x70bd27, 0x25dfdbfe, {}, [@NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x9}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x4}]}, 0x2c}, 0x1, 0x0, 0x0, 0x4000}, 0x40) ioctl$MEDIA_IOC_REQUEST_ALLOC(r1, 0x80047c05, &(0x7f0000000180)) ioctl$MEDIA_IOC_REQUEST_ALLOC(0xffffffffffffffff, 0x80047c05, &(0x7f0000000000)) ioctl$TUNSETOWNER(r1, 0x400454cc, 0xffffffffffffffff) [ 1299.237137] block nbd1: not configured, cannot reconfigure 08:02:16 executing program 1: syz_open_dev$ndb(&(0x7f00000002c0), 0x0, 0x0) r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000200), r1) sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f0000000200)={0x0, 0x0, &(0x7f00000001c0)={&(0x7f0000000140)={0x1c, r2, 0x1, 0x0, 0x6000, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x1c}}, 0x0) 08:02:16 executing program 5: r0 = syz_open_dev$ndb(&(0x7f00000002c0), 0x0, 0x1034c0) r1 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x1) ioctl$NBD_CLEAR_QUE(r1, 0xab05) ioctl$NBD_SET_SOCK(r0, 0x5421, 0xffffffffffffffff) r2 = syz_open_dev$vcsn(&(0x7f0000000140), 0x1, 0x0) ioctl$MEDIA_IOC_REQUEST_ALLOC(r2, 0x80047c05, &(0x7f0000000180)) r3 = socket$nl_generic(0x10, 0x3, 0x10) r4 = syz_genetlink_get_family_id$batadv(&(0x7f0000000480), 0xffffffffffffffff) read$FUSE(r2, &(0x7f00000005c0)={0x2020, 0x0, 0x0, 0x0, 0x0, 0x0}, 0x2020) getpgid(r5) sendmsg$BATADV_CMD_TP_METER_CANCEL(r3, &(0x7f0000000580)={0x0, 0x0, &(0x7f0000000540)={&(0x7f00000004c0)={0x14, r4, 0x1}, 0x14}}, 0x0) sendmsg$BATADV_CMD_SET_HARDIF(r2, &(0x7f0000000100)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x10000}, 0xc, &(0x7f00000000c0)={&(0x7f0000000080)={0x24, r4, 0x800, 0x70bd29, 0x25dfdbfc, {}, [@BATADV_ATTR_NETWORK_CODING_ENABLED={0x5, 0x38, 0x1}, @BATADV_ATTR_GW_SEL_CLASS={0x8, 0x34, 0x80000000}]}, 0x24}, 0x1, 0x0, 0x0, 0x119ad74280563d29}, 0x4008000) 08:02:16 executing program 4: syz_open_dev$ndb(&(0x7f00000002c0), 0x0, 0x0) r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000200), r1) sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f0000000200)={0x0, 0x0, &(0x7f00000001c0)={&(0x7f0000000140)={0x1c, r2, 0x1, 0xf0, 0x0, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x1c}}, 0x0) [ 1299.302801] block nbd4: not configured, cannot reconfigure [ 1299.337817] block nbd3: not configured, cannot reconfigure 08:02:16 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000200), r1) sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f0000000200)={0x0, 0x0, &(0x7f00000001c0)={&(0x7f0000000140)={0x1c, r2, 0x1, 0x0, 0x7a00, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x1c}}, 0x0) 08:02:16 executing program 0: r0 = syz_open_dev$ndb(&(0x7f00000002c0), 0x0, 0x0) ioctl$NBD_SET_SOCK(r0, 0x5452, 0xffffffffffffffff) (async) r1 = syz_open_dev$vcsn(&(0x7f0000000140), 0x1, 0x0) (async) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), 0xffffffffffffffff) sendmsg$NBD_CMD_DISCONNECT(0xffffffffffffffff, &(0x7f00000001c0)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x1000008}, 0xc, &(0x7f0000000100)={&(0x7f00000000c0)={0x2c, r2, 0x200, 0x70bd27, 0x25dfdbfe, {}, [@NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x9}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x4}]}, 0x2c}, 0x1, 0x0, 0x0, 0x4000}, 0x40) (async) ioctl$MEDIA_IOC_REQUEST_ALLOC(r1, 0x80047c05, &(0x7f0000000180)) ioctl$MEDIA_IOC_REQUEST_ALLOC(0xffffffffffffffff, 0x80047c05, &(0x7f0000000000)) ioctl$TUNSETOWNER(r1, 0x400454cc, 0xffffffffffffffff) [ 1299.431753] block nbd1: not configured, cannot reconfigure [ 1299.470965] block nbd3: not configured, cannot reconfigure 08:02:17 executing program 2: r0 = openat$ptmx(0xffffffffffffff9c, &(0x7f0000000040), 0x0, 0x0) ioctl$TIOCGPTPEER(r0, 0x5441, 0xdbb8) r1 = open(&(0x7f0000000080)='./file0\x00', 0x400000, 0x138) ioctl$TIOCSTI(r1, 0x5412, &(0x7f00000000c0)=0x10) ioctl$TIOCOUTQ(r0, 0x5411, &(0x7f0000000000)) 08:02:17 executing program 5: r0 = syz_open_dev$ndb(&(0x7f00000002c0), 0x0, 0x1034c0) r1 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x1) ioctl$NBD_CLEAR_QUE(r1, 0xab05) (async, rerun: 64) ioctl$NBD_SET_SOCK(r0, 0x5421, 0xffffffffffffffff) (rerun: 64) r2 = syz_open_dev$vcsn(&(0x7f0000000140), 0x1, 0x0) ioctl$MEDIA_IOC_REQUEST_ALLOC(r2, 0x80047c05, &(0x7f0000000180)) r3 = socket$nl_generic(0x10, 0x3, 0x10) (async) r4 = syz_genetlink_get_family_id$batadv(&(0x7f0000000480), 0xffffffffffffffff) read$FUSE(r2, &(0x7f00000005c0)={0x2020, 0x0, 0x0, 0x0, 0x0, 0x0}, 0x2020) getpgid(r5) sendmsg$BATADV_CMD_TP_METER_CANCEL(r3, &(0x7f0000000580)={0x0, 0x0, &(0x7f0000000540)={&(0x7f00000004c0)={0x14, r4, 0x1}, 0x14}}, 0x0) sendmsg$BATADV_CMD_SET_HARDIF(r2, &(0x7f0000000100)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x10000}, 0xc, &(0x7f00000000c0)={&(0x7f0000000080)={0x24, r4, 0x800, 0x70bd29, 0x25dfdbfc, {}, [@BATADV_ATTR_NETWORK_CODING_ENABLED={0x5, 0x38, 0x1}, @BATADV_ATTR_GW_SEL_CLASS={0x8, 0x34, 0x80000000}]}, 0x24}, 0x1, 0x0, 0x0, 0x119ad74280563d29}, 0x4008000) 08:02:17 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000200), r1) sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f0000000200)={0x0, 0x0, &(0x7f00000001c0)={&(0x7f0000000140)={0x1c, r2, 0x1, 0x0, 0xf000, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x1c}}, 0x0) 08:02:17 executing program 1: syz_open_dev$ndb(&(0x7f00000002c0), 0x0, 0x0) r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000200), r1) sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f0000000200)={0x0, 0x0, &(0x7f00000001c0)={&(0x7f0000000140)={0x1c, r2, 0x1, 0x0, 0x6800, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x1c}}, 0x0) 08:02:17 executing program 0: r0 = syz_open_dev$ndb(&(0x7f00000002c0), 0x0, 0x0) ioctl$NBD_SET_SOCK(r0, 0x5452, 0xffffffffffffffff) r1 = syz_open_dev$vcsn(&(0x7f0000000140), 0x1, 0x0) syz_genetlink_get_family_id$nbd(&(0x7f0000000080), 0xffffffffffffffff) (async) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), 0xffffffffffffffff) sendmsg$NBD_CMD_DISCONNECT(0xffffffffffffffff, &(0x7f00000001c0)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x1000008}, 0xc, &(0x7f0000000100)={&(0x7f00000000c0)={0x2c, r2, 0x200, 0x70bd27, 0x25dfdbfe, {}, [@NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x9}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x4}]}, 0x2c}, 0x1, 0x0, 0x0, 0x4000}, 0x40) ioctl$MEDIA_IOC_REQUEST_ALLOC(r1, 0x80047c05, &(0x7f0000000180)) ioctl$MEDIA_IOC_REQUEST_ALLOC(0xffffffffffffffff, 0x80047c05, &(0x7f0000000000)) (async) ioctl$MEDIA_IOC_REQUEST_ALLOC(0xffffffffffffffff, 0x80047c05, &(0x7f0000000000)) ioctl$TUNSETOWNER(r1, 0x400454cc, 0xffffffffffffffff) [ 1299.487938] block nbd4: not configured, cannot reconfigure 08:02:17 executing program 4: syz_open_dev$ndb(&(0x7f00000002c0), 0x0, 0x0) r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000200), r1) sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f0000000200)={0x0, 0x0, &(0x7f00000001c0)={&(0x7f0000000140)={0x1c, r2, 0x1, 0x300, 0x0, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x1c}}, 0x0) 08:02:17 executing program 1: syz_open_dev$ndb(&(0x7f00000002c0), 0x0, 0x0) r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000200), r1) sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f0000000200)={0x0, 0x0, &(0x7f00000001c0)={&(0x7f0000000140)={0x1c, r2, 0x1, 0x0, 0x6c00, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x1c}}, 0x0) 08:02:17 executing program 2: r0 = openat$ptmx(0xffffffffffffff9c, &(0x7f0000000040), 0x0, 0x0) ioctl$TIOCGPTPEER(r0, 0x5441, 0xdbb8) r1 = open(&(0x7f0000000080)='./file0\x00', 0x400000, 0x138) ioctl$TIOCSTI(r1, 0x5412, &(0x7f00000000c0)=0x10) ioctl$TIOCOUTQ(r0, 0x5411, &(0x7f0000000000)) openat$ptmx(0xffffffffffffff9c, &(0x7f0000000040), 0x0, 0x0) (async) ioctl$TIOCGPTPEER(r0, 0x5441, 0xdbb8) (async) open(&(0x7f0000000080)='./file0\x00', 0x400000, 0x138) (async) ioctl$TIOCSTI(r1, 0x5412, &(0x7f00000000c0)=0x10) (async) ioctl$TIOCOUTQ(r0, 0x5411, &(0x7f0000000000)) (async) [ 1299.584016] block nbd1: not configured, cannot reconfigure [ 1299.601415] block nbd3: not configured, cannot reconfigure 08:02:17 executing program 5: syz_open_dev$ndb(&(0x7f00000002c0), 0x0, 0x1034c0) (async) r0 = syz_open_dev$ndb(&(0x7f00000002c0), 0x0, 0x1034c0) r1 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x1) ioctl$NBD_CLEAR_QUE(r1, 0xab05) (async) ioctl$NBD_CLEAR_QUE(r1, 0xab05) ioctl$NBD_SET_SOCK(r0, 0x5421, 0xffffffffffffffff) (async) ioctl$NBD_SET_SOCK(r0, 0x5421, 0xffffffffffffffff) r2 = syz_open_dev$vcsn(&(0x7f0000000140), 0x1, 0x0) ioctl$MEDIA_IOC_REQUEST_ALLOC(r2, 0x80047c05, &(0x7f0000000180)) r3 = socket$nl_generic(0x10, 0x3, 0x10) r4 = syz_genetlink_get_family_id$batadv(&(0x7f0000000480), 0xffffffffffffffff) read$FUSE(r2, &(0x7f00000005c0)={0x2020}, 0x2020) (async) read$FUSE(r2, &(0x7f00000005c0)={0x2020, 0x0, 0x0, 0x0, 0x0, 0x0}, 0x2020) getpgid(r5) sendmsg$BATADV_CMD_TP_METER_CANCEL(r3, &(0x7f0000000580)={0x0, 0x0, &(0x7f0000000540)={&(0x7f00000004c0)={0x14, r4, 0x1}, 0x14}}, 0x0) sendmsg$BATADV_CMD_SET_HARDIF(r2, &(0x7f0000000100)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x10000}, 0xc, &(0x7f00000000c0)={&(0x7f0000000080)={0x24, r4, 0x800, 0x70bd29, 0x25dfdbfc, {}, [@BATADV_ATTR_NETWORK_CODING_ENABLED={0x5, 0x38, 0x1}, @BATADV_ATTR_GW_SEL_CLASS={0x8, 0x34, 0x80000000}]}, 0x24}, 0x1, 0x0, 0x0, 0x119ad74280563d29}, 0x4008000) 08:02:17 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000200), r1) sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f0000000200)={0x0, 0x0, &(0x7f00000001c0)={&(0x7f0000000140)={0x1c, r2, 0x1, 0x0, 0x30000, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x1c}}, 0x0) 08:02:17 executing program 0: r0 = syz_open_dev$ndb(&(0x7f00000002c0), 0x0, 0x0) ioctl$NBD_SET_SOCK(r0, 0x5452, 0xffffffffffffffff) r1 = syz_open_dev$vcsn(&(0x7f0000000140), 0x1, 0x0) ioctl$MEDIA_IOC_REQUEST_ALLOC(r1, 0x80047c05, &(0x7f0000000180)) ioctl$USBDEVFS_SETINTERFACE(r1, 0x80085504, &(0x7f0000000000)={0x7f, 0x50000000}) [ 1299.631690] block nbd4: not configured, cannot reconfigure 08:02:17 executing program 4: syz_open_dev$ndb(&(0x7f00000002c0), 0x0, 0x0) r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000200), r1) sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f0000000200)={0x0, 0x0, &(0x7f00000001c0)={&(0x7f0000000140)={0x1c, r2, 0x1, 0x500, 0x0, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x1c}}, 0x0) 08:02:17 executing program 2: openat$ptmx(0xffffffffffffff9c, &(0x7f0000000040), 0x0, 0x0) (async) r0 = openat$ptmx(0xffffffffffffff9c, &(0x7f0000000040), 0x0, 0x0) ioctl$TIOCGPTPEER(r0, 0x5441, 0xdbb8) r1 = open(&(0x7f0000000080)='./file0\x00', 0x400000, 0x138) ioctl$TIOCSTI(r1, 0x5412, &(0x7f00000000c0)=0x10) ioctl$TIOCOUTQ(r0, 0x5411, &(0x7f0000000000)) 08:02:17 executing program 5: ioctl$NBD_SET_SOCK(0xffffffffffffffff, 0x5421, 0xffffffffffffffff) socketpair$unix(0x1, 0x5, 0x0, &(0x7f0000000000)={0xffffffffffffffff}) ioctl$SECCOMP_IOCTL_NOTIF_ID_VALID(0xffffffffffffffff, 0x40082102, &(0x7f00000000c0)) syz_open_dev$ndb(&(0x7f0000000080), 0x0, 0x20000) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000140), 0xffffffffffffffff) ioctl$AUTOFS_DEV_IOCTL_REQUESTER(0xffffffffffffffff, 0xc018937b, &(0x7f0000000180)=ANY=[@ANYBLOB="b8b19b49065bff4862f2ad2a", @ANYRES32=0xffffffffffffffff, @ANYRES32=0x0, @ANYRES32, @ANYBLOB='./file0\x00']) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000300)={&(0x7f00000001c0)={0x10, 0x0, 0x0, 0x2000000}, 0xc, &(0x7f0000000280)={&(0x7f0000000340)={0x90, r2, 0x8, 0x70bd26, 0x25dfdc01, {}, [@NBD_ATTR_BACKEND_IDENTIFIER={0x4}, @NBD_ATTR_TIMEOUT={0xc}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x4}, @NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8}, {0x8, 0x1, r3}]}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x1}, @NBD_ATTR_BACKEND_IDENTIFIER={0xe, 0xa, '/dev/nbd#\x00'}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x6}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x7}, @NBD_ATTR_CLIENT_FLAGS={0xc}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x5}]}, 0x90}, 0x1, 0x0, 0x0, 0x2000c000}, 0x40000001) r4 = syz_open_pts(0xffffffffffffffff, 0x1) ioctl$KDDISABIO(r4, 0x4b37) ioctl$ifreq_SIOCGIFINDEX_batadv_mesh(r0, 0x8933, &(0x7f0000000040)) ioctl$KVM_CREATE_VM(0xffffffffffffffff, 0xae01, 0x0) [ 1299.722647] block nbd1: not configured, cannot reconfigure [ 1299.756355] block nbd3: not configured, cannot reconfigure 08:02:17 executing program 1: syz_open_dev$ndb(&(0x7f00000002c0), 0x0, 0x0) r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000200), r1) sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f0000000200)={0x0, 0x0, &(0x7f00000001c0)={&(0x7f0000000140)={0x1c, r2, 0x1, 0x0, 0x7400, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x1c}}, 0x0) 08:02:17 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000200), r1) sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f0000000200)={0x0, 0x0, &(0x7f00000001c0)={&(0x7f0000000140)={0x1c, r2, 0x1, 0x0, 0x34000, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x1c}}, 0x0) 08:02:17 executing program 0: r0 = syz_open_dev$ndb(&(0x7f00000002c0), 0x0, 0x0) ioctl$NBD_SET_SOCK(r0, 0x5452, 0xffffffffffffffff) (async) r1 = syz_open_dev$vcsn(&(0x7f0000000140), 0x1, 0x0) ioctl$MEDIA_IOC_REQUEST_ALLOC(r1, 0x80047c05, &(0x7f0000000180)) ioctl$USBDEVFS_SETINTERFACE(r1, 0x80085504, &(0x7f0000000000)={0x7f, 0x50000000}) 08:02:17 executing program 4: syz_open_dev$ndb(&(0x7f00000002c0), 0x0, 0x0) r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000200), r1) sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f0000000200)={0x0, 0x0, &(0x7f00000001c0)={&(0x7f0000000140)={0x1c, r2, 0x1, 0x600, 0x0, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x1c}}, 0x0) [ 1299.784265] block nbd4: not configured, cannot reconfigure 08:02:17 executing program 2: r0 = openat$ptmx(0xffffffffffffff9c, &(0x7f0000000040), 0x0, 0x0) r1 = syz_open_dev$ttys(0xc, 0x2, 0x1) r2 = syz_open_dev$ttys(0xc, 0x2, 0x0) ioctl$FIONREAD(0xffffffffffffffff, 0x541b, &(0x7f0000000080)) ioctl$TCSETSW(r2, 0x5403, &(0x7f0000000540)={0xfffffffc, 0x0, 0xf7ffffff, 0x9, 0x0, "baf26a10e07ba77f1de09b779f3357c9c5a583"}) ioctl$KDGETLED(r1, 0x4b31, &(0x7f0000000000)) ioctl$TIOCGPTPEER(r0, 0x5441, 0x0) 08:02:17 executing program 5: ioctl$NBD_SET_SOCK(0xffffffffffffffff, 0x5421, 0xffffffffffffffff) (async) socketpair$unix(0x1, 0x5, 0x0, &(0x7f0000000000)={0xffffffffffffffff}) (async) ioctl$SECCOMP_IOCTL_NOTIF_ID_VALID(0xffffffffffffffff, 0x40082102, &(0x7f00000000c0)) (async) syz_open_dev$ndb(&(0x7f0000000080), 0x0, 0x20000) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000140), 0xffffffffffffffff) ioctl$AUTOFS_DEV_IOCTL_REQUESTER(0xffffffffffffffff, 0xc018937b, &(0x7f0000000180)=ANY=[@ANYBLOB="b8b19b49065bff4862f2ad2a", @ANYRES32=0xffffffffffffffff, @ANYRES32=0x0, @ANYRES32, @ANYBLOB='./file0\x00']) (async) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000300)={&(0x7f00000001c0)={0x10, 0x0, 0x0, 0x2000000}, 0xc, &(0x7f0000000280)={&(0x7f0000000340)={0x90, r2, 0x8, 0x70bd26, 0x25dfdc01, {}, [@NBD_ATTR_BACKEND_IDENTIFIER={0x4}, @NBD_ATTR_TIMEOUT={0xc}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x4}, @NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8}, {0x8, 0x1, r3}]}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x1}, @NBD_ATTR_BACKEND_IDENTIFIER={0xe, 0xa, '/dev/nbd#\x00'}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x6}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x7}, @NBD_ATTR_CLIENT_FLAGS={0xc}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x5}]}, 0x90}, 0x1, 0x0, 0x0, 0x2000c000}, 0x40000001) r4 = syz_open_pts(0xffffffffffffffff, 0x1) ioctl$KDDISABIO(r4, 0x4b37) (async) ioctl$ifreq_SIOCGIFINDEX_batadv_mesh(r0, 0x8933, &(0x7f0000000040)) (async) ioctl$KVM_CREATE_VM(0xffffffffffffffff, 0xae01, 0x0) 08:02:17 executing program 0: r0 = syz_open_dev$ndb(&(0x7f00000002c0), 0x0, 0x0) ioctl$NBD_SET_SOCK(r0, 0x5452, 0xffffffffffffffff) r1 = syz_open_dev$vcsn(&(0x7f0000000140), 0x1, 0x0) ioctl$MEDIA_IOC_REQUEST_ALLOC(r1, 0x80047c05, &(0x7f0000000180)) (async) ioctl$USBDEVFS_SETINTERFACE(r1, 0x80085504, &(0x7f0000000000)={0x7f, 0x50000000}) 08:02:17 executing program 1: syz_open_dev$ndb(&(0x7f00000002c0), 0x0, 0x0) r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000200), r1) sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f0000000200)={0x0, 0x0, &(0x7f00000001c0)={&(0x7f0000000140)={0x1c, r2, 0x1, 0x0, 0x7a00, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x1c}}, 0x0) 08:02:17 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000200), r1) sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f0000000200)={0x0, 0x0, &(0x7f00000001c0)={&(0x7f0000000140)={0x1c, r2, 0x1, 0x0, 0x400300, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x1c}}, 0x0) [ 1299.900384] block nbd1: not configured, cannot reconfigure [ 1299.909665] block nbd3: not configured, cannot reconfigure [ 1299.926768] block nbd4: not configured, cannot reconfigure 08:02:17 executing program 4: syz_open_dev$ndb(&(0x7f00000002c0), 0x0, 0x0) r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000200), r1) sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f0000000200)={0x0, 0x0, &(0x7f00000001c0)={&(0x7f0000000140)={0x1c, r2, 0x1, 0x700, 0x0, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x1c}}, 0x0) 08:02:17 executing program 2: r0 = openat$ptmx(0xffffffffffffff9c, &(0x7f0000000040), 0x0, 0x0) (async) r1 = syz_open_dev$ttys(0xc, 0x2, 0x1) (async) r2 = syz_open_dev$ttys(0xc, 0x2, 0x0) ioctl$FIONREAD(0xffffffffffffffff, 0x541b, &(0x7f0000000080)) (async) ioctl$TCSETSW(r2, 0x5403, &(0x7f0000000540)={0xfffffffc, 0x0, 0xf7ffffff, 0x9, 0x0, "baf26a10e07ba77f1de09b779f3357c9c5a583"}) ioctl$KDGETLED(r1, 0x4b31, &(0x7f0000000000)) (async, rerun: 32) ioctl$TIOCGPTPEER(r0, 0x5441, 0x0) (rerun: 32) 08:02:17 executing program 2: r0 = openat$ptmx(0xffffffffffffff9c, &(0x7f0000000040), 0x0, 0x0) r1 = syz_open_dev$ttys(0xc, 0x2, 0x1) r2 = syz_open_dev$ttys(0xc, 0x2, 0x0) ioctl$FIONREAD(0xffffffffffffffff, 0x541b, &(0x7f0000000080)) ioctl$TCSETSW(r2, 0x5403, &(0x7f0000000540)={0xfffffffc, 0x0, 0xf7ffffff, 0x9, 0x0, "baf26a10e07ba77f1de09b779f3357c9c5a583"}) ioctl$KDGETLED(r1, 0x4b31, &(0x7f0000000000)) ioctl$TIOCGPTPEER(r0, 0x5441, 0x0) openat$ptmx(0xffffffffffffff9c, &(0x7f0000000040), 0x0, 0x0) (async) syz_open_dev$ttys(0xc, 0x2, 0x1) (async) syz_open_dev$ttys(0xc, 0x2, 0x0) (async) ioctl$FIONREAD(0xffffffffffffffff, 0x541b, &(0x7f0000000080)) (async) ioctl$TCSETSW(r2, 0x5403, &(0x7f0000000540)={0xfffffffc, 0x0, 0xf7ffffff, 0x9, 0x0, "baf26a10e07ba77f1de09b779f3357c9c5a583"}) (async) ioctl$KDGETLED(r1, 0x4b31, &(0x7f0000000000)) (async) ioctl$TIOCGPTPEER(r0, 0x5441, 0x0) (async) 08:02:17 executing program 5: ioctl$NBD_SET_SOCK(0xffffffffffffffff, 0x5421, 0xffffffffffffffff) socketpair$unix(0x1, 0x5, 0x0, &(0x7f0000000000)={0xffffffffffffffff}) ioctl$SECCOMP_IOCTL_NOTIF_ID_VALID(0xffffffffffffffff, 0x40082102, &(0x7f00000000c0)) syz_open_dev$ndb(&(0x7f0000000080), 0x0, 0x20000) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000140), 0xffffffffffffffff) ioctl$AUTOFS_DEV_IOCTL_REQUESTER(0xffffffffffffffff, 0xc018937b, &(0x7f0000000180)=ANY=[@ANYBLOB="b8b19b49065bff4862f2ad2a", @ANYRES32=0xffffffffffffffff, @ANYRES32=0x0, @ANYRES32, @ANYBLOB='./file0\x00']) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000300)={&(0x7f00000001c0)={0x10, 0x0, 0x0, 0x2000000}, 0xc, &(0x7f0000000280)={&(0x7f0000000340)={0x90, r2, 0x8, 0x70bd26, 0x25dfdc01, {}, [@NBD_ATTR_BACKEND_IDENTIFIER={0x4}, @NBD_ATTR_TIMEOUT={0xc}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x4}, @NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8}, {0x8, 0x1, r3}]}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x1}, @NBD_ATTR_BACKEND_IDENTIFIER={0xe, 0xa, '/dev/nbd#\x00'}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x6}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x7}, @NBD_ATTR_CLIENT_FLAGS={0xc}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x5}]}, 0x90}, 0x1, 0x0, 0x0, 0x2000c000}, 0x40000001) r4 = syz_open_pts(0xffffffffffffffff, 0x1) ioctl$KDDISABIO(r4, 0x4b37) ioctl$ifreq_SIOCGIFINDEX_batadv_mesh(r0, 0x8933, &(0x7f0000000040)) ioctl$KVM_CREATE_VM(0xffffffffffffffff, 0xae01, 0x0) ioctl$NBD_SET_SOCK(0xffffffffffffffff, 0x5421, 0xffffffffffffffff) (async) socketpair$unix(0x1, 0x5, 0x0, &(0x7f0000000000)) (async) ioctl$SECCOMP_IOCTL_NOTIF_ID_VALID(0xffffffffffffffff, 0x40082102, &(0x7f00000000c0)) (async) syz_open_dev$ndb(&(0x7f0000000080), 0x0, 0x20000) (async) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) syz_genetlink_get_family_id$nbd(&(0x7f0000000140), 0xffffffffffffffff) (async) ioctl$AUTOFS_DEV_IOCTL_REQUESTER(0xffffffffffffffff, 0xc018937b, &(0x7f0000000180)=ANY=[@ANYBLOB="b8b19b49065bff4862f2ad2a", @ANYRES32, @ANYRES32=0x0, @ANYRES32, @ANYBLOB='./file0\x00']) (async) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000300)={&(0x7f00000001c0)={0x10, 0x0, 0x0, 0x2000000}, 0xc, &(0x7f0000000280)={&(0x7f0000000340)={0x90, r2, 0x8, 0x70bd26, 0x25dfdc01, {}, [@NBD_ATTR_BACKEND_IDENTIFIER={0x4}, @NBD_ATTR_TIMEOUT={0xc}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x4}, @NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8}, {0x8, 0x1, r3}]}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x1}, @NBD_ATTR_BACKEND_IDENTIFIER={0xe, 0xa, '/dev/nbd#\x00'}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x6}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x7}, @NBD_ATTR_CLIENT_FLAGS={0xc}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x5}]}, 0x90}, 0x1, 0x0, 0x0, 0x2000c000}, 0x40000001) (async) syz_open_pts(0xffffffffffffffff, 0x1) (async) ioctl$KDDISABIO(r4, 0x4b37) (async) ioctl$ifreq_SIOCGIFINDEX_batadv_mesh(r0, 0x8933, &(0x7f0000000040)) (async) ioctl$KVM_CREATE_VM(0xffffffffffffffff, 0xae01, 0x0) (async) 08:02:17 executing program 0: getuid() ioctl$NBD_SET_SOCK(0xffffffffffffffff, 0x5452, 0xffffffffffffffff) [ 1300.055739] block nbd3: not configured, cannot reconfigure [ 1300.085494] block nbd1: not configured, cannot reconfigure 08:02:17 executing program 1: syz_open_dev$ndb(&(0x7f00000002c0), 0x0, 0x0) r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000200), r1) sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f0000000200)={0x0, 0x0, &(0x7f00000001c0)={&(0x7f0000000140)={0x1c, r2, 0x1, 0x0, 0xf000, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x1c}}, 0x0) 08:02:17 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000200), r1) sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f0000000200)={0x0, 0x0, &(0x7f00000001c0)={&(0x7f0000000140)={0x1c, r2, 0x1, 0x0, 0xf0ffff, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x1c}}, 0x0) [ 1300.105749] block nbd4: not configured, cannot reconfigure 08:02:17 executing program 4: syz_open_dev$ndb(&(0x7f00000002c0), 0x0, 0x0) r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000200), r1) sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f0000000200)={0x0, 0x0, &(0x7f00000001c0)={&(0x7f0000000140)={0x1c, r2, 0x1, 0xf00, 0x0, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x1c}}, 0x0) 08:02:17 executing program 2: r0 = openat$ptmx(0xffffffffffffff9c, &(0x7f0000000040), 0x123002, 0x0) ioctl$TIOCGPTPEER(r0, 0x5441, 0xdbb8) semctl$GETNCNT(0x0, 0x2, 0xe, &(0x7f0000000080)=""/172) 08:02:17 executing program 0: getuid() ioctl$NBD_SET_SOCK(0xffffffffffffffff, 0x5452, 0xffffffffffffffff) 08:02:17 executing program 5: r0 = syz_open_dev$ndb(&(0x7f00000002c0), 0x0, 0x400800) ioctl$NBD_SET_SOCK(r0, 0x5421, 0xffffffffffffffff) r1 = syz_open_dev$vcsn(&(0x7f0000000140), 0x1, 0x0) ioctl$MEDIA_IOC_REQUEST_ALLOC(r1, 0x80047c05, &(0x7f0000000180)) ioctl$NBD_SET_BLKSIZE(r1, 0xab01, 0x211b) 08:02:17 executing program 1: syz_open_dev$ndb(&(0x7f00000002c0), 0x0, 0x0) r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000200), r1) sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f0000000200)={0x0, 0x0, &(0x7f00000001c0)={&(0x7f0000000140)={0x1c, r2, 0x1, 0x0, 0x30000, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x1c}}, 0x0) 08:02:17 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000200), r1) sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f0000000200)={0x0, 0x0, &(0x7f00000001c0)={&(0x7f0000000140)={0x1c, r2, 0x1, 0x0, 0x1000000, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x1c}}, 0x0) [ 1300.219859] block nbd3: not configured, cannot reconfigure [ 1300.245657] block nbd1: not configured, cannot reconfigure 08:02:17 executing program 2: r0 = openat$ptmx(0xffffffffffffff9c, &(0x7f0000000040), 0x123002, 0x0) ioctl$TIOCGPTPEER(r0, 0x5441, 0xdbb8) (async) semctl$GETNCNT(0x0, 0x2, 0xe, &(0x7f0000000080)=""/172) 08:02:17 executing program 4: syz_open_dev$ndb(&(0x7f00000002c0), 0x0, 0x0) r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000200), r1) sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f0000000200)={0x0, 0x0, &(0x7f00000001c0)={&(0x7f0000000140)={0x1c, r2, 0x1, 0x2000, 0x0, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x1c}}, 0x0) 08:02:17 executing program 5: r0 = syz_open_dev$ndb(&(0x7f00000002c0), 0x0, 0x400800) ioctl$NBD_SET_SOCK(r0, 0x5421, 0xffffffffffffffff) (async, rerun: 32) r1 = syz_open_dev$vcsn(&(0x7f0000000140), 0x1, 0x0) (rerun: 32) ioctl$MEDIA_IOC_REQUEST_ALLOC(r1, 0x80047c05, &(0x7f0000000180)) ioctl$NBD_SET_BLKSIZE(r1, 0xab01, 0x211b) 08:02:17 executing program 0: getuid() ioctl$NBD_SET_SOCK(0xffffffffffffffff, 0x5452, 0xffffffffffffffff) getuid() (async) ioctl$NBD_SET_SOCK(0xffffffffffffffff, 0x5452, 0xffffffffffffffff) (async) [ 1300.301782] block nbd4: not configured, cannot reconfigure 08:02:17 executing program 1: syz_open_dev$ndb(&(0x7f00000002c0), 0x0, 0x0) r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000200), r1) sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f0000000200)={0x0, 0x0, &(0x7f00000001c0)={&(0x7f0000000140)={0x1c, r2, 0x1, 0x0, 0x34000, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x1c}}, 0x0) 08:02:17 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000200), r1) sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f0000000200)={0x0, 0x0, &(0x7f00000001c0)={&(0x7f0000000140)={0x1c, r2, 0x1, 0x0, 0x2000000, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x1c}}, 0x0) [ 1300.361451] block nbd1: not configured, cannot reconfigure [ 1300.373328] block nbd3: not configured, cannot reconfigure 08:02:17 executing program 0: r0 = syz_open_dev$ndb(&(0x7f00000002c0), 0x0, 0x0) ioctl$AUTOFS_DEV_IOCTL_REQUESTER(0xffffffffffffffff, 0xc018937b, &(0x7f0000000000)={{0x1, 0x1, 0x18, r0, {0xee01, 0xffffffffffffffff}}, './file0\x00'}) ioctl$NBD_SET_SOCK(r0, 0x5452, r1) 08:02:18 executing program 2: r0 = openat$ptmx(0xffffffffffffff9c, &(0x7f0000000040), 0x123002, 0x0) ioctl$TIOCGPTPEER(r0, 0x5441, 0xdbb8) semctl$GETNCNT(0x0, 0x2, 0xe, &(0x7f0000000080)=""/172) openat$ptmx(0xffffffffffffff9c, &(0x7f0000000040), 0x123002, 0x0) (async) ioctl$TIOCGPTPEER(r0, 0x5441, 0xdbb8) (async) semctl$GETNCNT(0x0, 0x2, 0xe, &(0x7f0000000080)=""/172) (async) 08:02:18 executing program 5: r0 = syz_open_dev$ndb(&(0x7f00000002c0), 0x0, 0x400800) ioctl$NBD_SET_SOCK(r0, 0x5421, 0xffffffffffffffff) r1 = syz_open_dev$vcsn(&(0x7f0000000140), 0x1, 0x0) ioctl$MEDIA_IOC_REQUEST_ALLOC(r1, 0x80047c05, &(0x7f0000000180)) (async) ioctl$MEDIA_IOC_REQUEST_ALLOC(r1, 0x80047c05, &(0x7f0000000180)) ioctl$NBD_SET_BLKSIZE(r1, 0xab01, 0x211b) [ 1300.464785] block nbd4: not configured, cannot reconfigure [ 1300.492796] block nbd3: not configured, cannot reconfigure 08:02:18 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000200), r1) sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f0000000200)={0x0, 0x0, &(0x7f00000001c0)={&(0x7f0000000140)={0x1c, r2, 0x1, 0x0, 0x3000000, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x1c}}, 0x0) 08:02:18 executing program 4: syz_open_dev$ndb(&(0x7f00000002c0), 0x0, 0x0) r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000200), r1) sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f0000000200)={0x0, 0x0, &(0x7f00000001c0)={&(0x7f0000000140)={0x1c, r2, 0x1, 0x4800, 0x0, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x1c}}, 0x0) 08:02:18 executing program 1: syz_open_dev$ndb(&(0x7f00000002c0), 0x0, 0x0) r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000200), r1) sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f0000000200)={0x0, 0x0, &(0x7f00000001c0)={&(0x7f0000000140)={0x1c, r2, 0x1, 0x0, 0x400300, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x1c}}, 0x0) 08:02:18 executing program 0: r0 = syz_open_dev$ndb(&(0x7f00000002c0), 0x0, 0x0) ioctl$AUTOFS_DEV_IOCTL_REQUESTER(0xffffffffffffffff, 0xc018937b, &(0x7f0000000000)={{0x1, 0x1, 0x18, r0, {0xee01, 0xffffffffffffffff}}, './file0\x00'}) ioctl$NBD_SET_SOCK(r0, 0x5452, r1) syz_open_dev$ndb(&(0x7f00000002c0), 0x0, 0x0) (async) ioctl$AUTOFS_DEV_IOCTL_REQUESTER(0xffffffffffffffff, 0xc018937b, &(0x7f0000000000)={{0x1, 0x1, 0x18, r0, {0xee01, 0xffffffffffffffff}}, './file0\x00'}) (async) ioctl$NBD_SET_SOCK(r0, 0x5452, r1) (async) [ 1300.511660] block nbd1: not configured, cannot reconfigure 08:02:18 executing program 2: ioctl$sock_bt_cmtp_CMTPGETCONNINFO(0xffffffffffffffff, 0x800443d3, &(0x7f0000000000)={@any, 0x1000, 0x3, 0x4}) r0 = openat$ptmx(0xffffffffffffff9c, &(0x7f0000000040), 0x0, 0x0) ioctl$TIOCGPTPEER(r0, 0x5441, 0xdbb8) 08:02:18 executing program 5: r0 = syz_open_dev$ndb(&(0x7f00000002c0), 0x0, 0x0) r1 = syz_open_dev$vcsn(&(0x7f0000000140), 0x1, 0x0) ioctl$MEDIA_IOC_REQUEST_ALLOC(r1, 0x80047c05, &(0x7f0000000180)) r2 = socket$nl_generic(0x10, 0x3, 0x10) r3 = syz_genetlink_get_family_id$batadv(&(0x7f0000000480), 0xffffffffffffffff) sendmsg$BATADV_CMD_TP_METER_CANCEL(r2, &(0x7f0000000580)={0x0, 0x0, &(0x7f0000000540)={&(0x7f00000004c0)={0x14, r3, 0x1}, 0x14}}, 0x0) sendmsg$BATADV_CMD_GET_ROUTING_ALGOS(r1, &(0x7f00000000c0)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x40000}, 0xc, &(0x7f0000000080)={&(0x7f00000001c0)=ANY=[@ANYBLOB="04837f0abeb134c713f1d1428d8fbc3257f15aa8863ea5b3038db1c76dcdcf3ae4a1d96160adc7769dc51eabb1ada9b6997c4a3265b67306ef37a542", @ANYRES16=r3, @ANYBLOB="10002cbd7000fedbdf2504000000050037000000000005003000010000000500290000000000"], 0x2c}, 0x1, 0x0, 0x0, 0x4004010}, 0x40000000) ioctl$NBD_SET_SOCK(r0, 0x5421, 0xffffffffffffffff) 08:02:18 executing program 0: r0 = syz_open_dev$ndb(&(0x7f00000002c0), 0x0, 0x0) ioctl$AUTOFS_DEV_IOCTL_REQUESTER(0xffffffffffffffff, 0xc018937b, &(0x7f0000000000)={{0x1, 0x1, 0x18, r0, {0xee01, 0xffffffffffffffff}}, './file0\x00'}) ioctl$NBD_SET_SOCK(r0, 0x5452, r1) 08:02:18 executing program 4: syz_open_dev$ndb(&(0x7f00000002c0), 0x0, 0x0) r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000200), r1) sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f0000000200)={0x0, 0x0, &(0x7f00000001c0)={&(0x7f0000000140)={0x1c, r2, 0x1, 0x4c00, 0x0, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x1c}}, 0x0) 08:02:18 executing program 1: syz_open_dev$ndb(&(0x7f00000002c0), 0x0, 0x0) r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000200), r1) sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f0000000200)={0x0, 0x0, &(0x7f00000001c0)={&(0x7f0000000140)={0x1c, r2, 0x1, 0x0, 0xf0ffff, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x1c}}, 0x0) [ 1300.628422] block nbd4: not configured, cannot reconfigure [ 1300.637799] block nbd1: not configured, cannot reconfigure [ 1300.666972] block nbd3: not configured, cannot reconfigure 08:02:18 executing program 2: ioctl$sock_bt_cmtp_CMTPGETCONNINFO(0xffffffffffffffff, 0x800443d3, &(0x7f0000000000)={@any, 0x1000, 0x3, 0x4}) (async) r0 = openat$ptmx(0xffffffffffffff9c, &(0x7f0000000040), 0x0, 0x0) ioctl$TIOCGPTPEER(r0, 0x5441, 0xdbb8) 08:02:18 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000200), r1) sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f0000000200)={0x0, 0x0, &(0x7f00000001c0)={&(0x7f0000000140)={0x1c, r2, 0x1, 0x0, 0x4000000, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x1c}}, 0x0) 08:02:18 executing program 5: r0 = syz_open_dev$ndb(&(0x7f00000002c0), 0x0, 0x0) r1 = syz_open_dev$vcsn(&(0x7f0000000140), 0x1, 0x0) ioctl$MEDIA_IOC_REQUEST_ALLOC(r1, 0x80047c05, &(0x7f0000000180)) (async) r2 = socket$nl_generic(0x10, 0x3, 0x10) (async) r3 = syz_genetlink_get_family_id$batadv(&(0x7f0000000480), 0xffffffffffffffff) sendmsg$BATADV_CMD_TP_METER_CANCEL(r2, &(0x7f0000000580)={0x0, 0x0, &(0x7f0000000540)={&(0x7f00000004c0)={0x14, r3, 0x1}, 0x14}}, 0x0) sendmsg$BATADV_CMD_GET_ROUTING_ALGOS(r1, &(0x7f00000000c0)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x40000}, 0xc, &(0x7f0000000080)={&(0x7f00000001c0)=ANY=[@ANYBLOB="04837f0abeb134c713f1d1428d8fbc3257f15aa8863ea5b3038db1c76dcdcf3ae4a1d96160adc7769dc51eabb1ada9b6997c4a3265b67306ef37a542", @ANYRES16=r3, @ANYBLOB="10002cbd7000fedbdf2504000000050037000000000005003000010000000500290000000000"], 0x2c}, 0x1, 0x0, 0x0, 0x4004010}, 0x40000000) (async) ioctl$NBD_SET_SOCK(r0, 0x5421, 0xffffffffffffffff) 08:02:18 executing program 0: r0 = syz_open_dev$ndb(&(0x7f00000002c0), 0x0, 0x0) r1 = syz_open_dev$vcsn(&(0x7f0000000140), 0x1, 0x0) ioctl$MEDIA_IOC_REQUEST_ALLOC(r1, 0x80047c05, &(0x7f0000000180)) mmap$KVM_VCPU(&(0x7f0000ffb000/0x3000)=nil, 0x930, 0x2, 0x2010, r1, 0x0) syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x400) ioctl$NBD_SET_SOCK(r0, 0x5452, 0xffffffffffffffff) 08:02:18 executing program 2: ioctl$sock_bt_cmtp_CMTPGETCONNINFO(0xffffffffffffffff, 0x800443d3, &(0x7f0000000000)={@any, 0x1000, 0x3, 0x4}) r0 = openat$ptmx(0xffffffffffffff9c, &(0x7f0000000040), 0x0, 0x0) ioctl$TIOCGPTPEER(r0, 0x5441, 0xdbb8) ioctl$sock_bt_cmtp_CMTPGETCONNINFO(0xffffffffffffffff, 0x800443d3, &(0x7f0000000000)={@any, 0x1000, 0x3, 0x4}) (async) openat$ptmx(0xffffffffffffff9c, &(0x7f0000000040), 0x0, 0x0) (async) ioctl$TIOCGPTPEER(r0, 0x5441, 0xdbb8) (async) 08:02:18 executing program 4: syz_open_dev$ndb(&(0x7f00000002c0), 0x0, 0x0) r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000200), r1) sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f0000000200)={0x0, 0x0, &(0x7f00000001c0)={&(0x7f0000000140)={0x1c, r2, 0x1, 0x6000, 0x0, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x1c}}, 0x0) [ 1300.777672] block nbd4: not configured, cannot reconfigure [ 1300.807544] block nbd1: not configured, cannot reconfigure 08:02:18 executing program 1: syz_open_dev$ndb(&(0x7f00000002c0), 0x0, 0x0) r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000200), r1) sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f0000000200)={0x0, 0x0, &(0x7f00000001c0)={&(0x7f0000000140)={0x1c, r2, 0x1, 0x0, 0x1000000, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x1c}}, 0x0) [ 1300.833009] block nbd3: not configured, cannot reconfigure 08:02:18 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000200), r1) sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f0000000200)={0x0, 0x0, &(0x7f00000001c0)={&(0x7f0000000140)={0x1c, r2, 0x1, 0x0, 0x5000000, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x1c}}, 0x0) 08:02:18 executing program 5: r0 = syz_open_dev$ndb(&(0x7f00000002c0), 0x0, 0x0) (async) r1 = syz_open_dev$vcsn(&(0x7f0000000140), 0x1, 0x0) ioctl$MEDIA_IOC_REQUEST_ALLOC(r1, 0x80047c05, &(0x7f0000000180)) r2 = socket$nl_generic(0x10, 0x3, 0x10) (async) r3 = syz_genetlink_get_family_id$batadv(&(0x7f0000000480), 0xffffffffffffffff) sendmsg$BATADV_CMD_TP_METER_CANCEL(r2, &(0x7f0000000580)={0x0, 0x0, &(0x7f0000000540)={&(0x7f00000004c0)={0x14, r3, 0x1}, 0x14}}, 0x0) sendmsg$BATADV_CMD_GET_ROUTING_ALGOS(r1, &(0x7f00000000c0)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x40000}, 0xc, &(0x7f0000000080)={&(0x7f00000001c0)=ANY=[@ANYBLOB="04837f0abeb134c713f1d1428d8fbc3257f15aa8863ea5b3038db1c76dcdcf3ae4a1d96160adc7769dc51eabb1ada9b6997c4a3265b67306ef37a542", @ANYRES16=r3, @ANYBLOB="10002cbd7000fedbdf2504000000050037000000000005003000010000000500290000000000"], 0x2c}, 0x1, 0x0, 0x0, 0x4004010}, 0x40000000) (async) ioctl$NBD_SET_SOCK(r0, 0x5421, 0xffffffffffffffff) 08:02:18 executing program 2: r0 = openat$ptmx(0xffffffffffffff9c, &(0x7f0000000040), 0x0, 0x0) ioctl$TIOCGPTPEER(r0, 0x5441, 0xdbb8) r1 = openat$ptmx(0xffffffffffffff9c, &(0x7f0000000000), 0x0, 0x0) ioctl$TIOCL_UNBLANKSCREEN(r1, 0x541c, &(0x7f00000002c0)) ioctl$KDGKBSENT(r0, 0x4b48, &(0x7f0000000080)={0x1, "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"}) 08:02:18 executing program 0: r0 = syz_open_dev$ndb(&(0x7f00000002c0), 0x0, 0x0) (async, rerun: 64) r1 = syz_open_dev$vcsn(&(0x7f0000000140), 0x1, 0x0) (rerun: 64) ioctl$MEDIA_IOC_REQUEST_ALLOC(r1, 0x80047c05, &(0x7f0000000180)) (async) mmap$KVM_VCPU(&(0x7f0000ffb000/0x3000)=nil, 0x930, 0x2, 0x2010, r1, 0x0) (async) syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x400) (async) ioctl$NBD_SET_SOCK(r0, 0x5452, 0xffffffffffffffff) 08:02:18 executing program 4: syz_open_dev$ndb(&(0x7f00000002c0), 0x0, 0x0) r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000200), r1) sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f0000000200)={0x0, 0x0, &(0x7f00000001c0)={&(0x7f0000000140)={0x1c, r2, 0x1, 0x65d8, 0x0, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x1c}}, 0x0) [ 1300.934086] block nbd4: not configured, cannot reconfigure [ 1300.949440] block nbd1: not configured, cannot reconfigure 08:02:18 executing program 1: syz_open_dev$ndb(&(0x7f00000002c0), 0x0, 0x0) r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000200), r1) sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f0000000200)={0x0, 0x0, &(0x7f00000001c0)={&(0x7f0000000140)={0x1c, r2, 0x1, 0x0, 0x2000000, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x1c}}, 0x0) 08:02:18 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000200), r1) sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f0000000200)={0x0, 0x0, &(0x7f00000001c0)={&(0x7f0000000140)={0x1c, r2, 0x1, 0x0, 0x6000000, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x1c}}, 0x0) 08:02:18 executing program 5: r0 = syz_open_dev$vcsn(&(0x7f0000000140), 0x1, 0x0) ioctl$MEDIA_IOC_REQUEST_ALLOC(r0, 0x80047c05, &(0x7f0000000180)) ioctl$TUNSETTXFILTER(r0, 0x400454d1, &(0x7f0000000000)={0x0, 0x1, [@link_local]}) r1 = syz_open_dev$ndb(&(0x7f00000002c0), 0x0, 0x0) ioctl$NBD_SET_SOCK(r1, 0x5421, 0xffffffffffffffff) [ 1300.986704] block nbd3: not configured, cannot reconfigure 08:02:18 executing program 2: r0 = openat$ptmx(0xffffffffffffff9c, &(0x7f0000000040), 0x0, 0x0) ioctl$TIOCGPTPEER(r0, 0x5441, 0xdbb8) (async) r1 = openat$ptmx(0xffffffffffffff9c, &(0x7f0000000000), 0x0, 0x0) ioctl$TIOCL_UNBLANKSCREEN(r1, 0x541c, &(0x7f00000002c0)) (async) ioctl$KDGKBSENT(r0, 0x4b48, &(0x7f0000000080)={0x1, "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"}) 08:02:18 executing program 0: r0 = syz_open_dev$ndb(&(0x7f00000002c0), 0x0, 0x0) r1 = syz_open_dev$vcsn(&(0x7f0000000140), 0x1, 0x0) ioctl$MEDIA_IOC_REQUEST_ALLOC(r1, 0x80047c05, &(0x7f0000000180)) (async) ioctl$MEDIA_IOC_REQUEST_ALLOC(r1, 0x80047c05, &(0x7f0000000180)) mmap$KVM_VCPU(&(0x7f0000ffb000/0x3000)=nil, 0x930, 0x2, 0x2010, r1, 0x0) syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x400) ioctl$NBD_SET_SOCK(r0, 0x5452, 0xffffffffffffffff) (async) ioctl$NBD_SET_SOCK(r0, 0x5452, 0xffffffffffffffff) 08:02:18 executing program 5: r0 = syz_open_dev$vcsn(&(0x7f0000000140), 0x1, 0x0) ioctl$MEDIA_IOC_REQUEST_ALLOC(r0, 0x80047c05, &(0x7f0000000180)) (async) ioctl$TUNSETTXFILTER(r0, 0x400454d1, &(0x7f0000000000)={0x0, 0x1, [@link_local]}) (async, rerun: 64) r1 = syz_open_dev$ndb(&(0x7f00000002c0), 0x0, 0x0) (rerun: 64) ioctl$NBD_SET_SOCK(r1, 0x5421, 0xffffffffffffffff) [ 1301.094034] block nbd4: not configured, cannot reconfigure [ 1301.127773] block nbd1: not configured, cannot reconfigure 08:02:18 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000200), r1) sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f0000000200)={0x0, 0x0, &(0x7f00000001c0)={&(0x7f0000000140)={0x1c, r2, 0x1, 0x0, 0x7000000, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x1c}}, 0x0) 08:02:18 executing program 4: syz_open_dev$ndb(&(0x7f00000002c0), 0x0, 0x0) r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000200), r1) sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f0000000200)={0x0, 0x0, &(0x7f00000001c0)={&(0x7f0000000140)={0x1c, r2, 0x1, 0x6800, 0x0, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x1c}}, 0x0) 08:02:18 executing program 1: syz_open_dev$ndb(&(0x7f00000002c0), 0x0, 0x0) r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000200), r1) sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f0000000200)={0x0, 0x0, &(0x7f00000001c0)={&(0x7f0000000140)={0x1c, r2, 0x1, 0x0, 0x3000000, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x1c}}, 0x0) [ 1301.154250] block nbd3: not configured, cannot reconfigure 08:02:18 executing program 2: r0 = openat$ptmx(0xffffffffffffff9c, &(0x7f0000000040), 0x0, 0x0) ioctl$TIOCGPTPEER(r0, 0x5441, 0xdbb8) r1 = openat$ptmx(0xffffffffffffff9c, &(0x7f0000000000), 0x0, 0x0) ioctl$TIOCL_UNBLANKSCREEN(r1, 0x541c, &(0x7f00000002c0)) (async) ioctl$TIOCL_UNBLANKSCREEN(r1, 0x541c, &(0x7f00000002c0)) ioctl$KDGKBSENT(r0, 0x4b48, &(0x7f0000000080)={0x1, "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"}) [ 1301.238318] ieee802154 phy0 wpan0: encryption failed: -22 [ 1301.243968] ieee802154 phy1 wpan1: encryption failed: -22 08:02:18 executing program 5: r0 = syz_open_dev$vcsn(&(0x7f0000000140), 0x1, 0x0) ioctl$MEDIA_IOC_REQUEST_ALLOC(r0, 0x80047c05, &(0x7f0000000180)) (async) ioctl$TUNSETTXFILTER(r0, 0x400454d1, &(0x7f0000000000)={0x0, 0x1, [@link_local]}) (async) r1 = syz_open_dev$ndb(&(0x7f00000002c0), 0x0, 0x0) ioctl$NBD_SET_SOCK(r1, 0x5421, 0xffffffffffffffff) 08:02:18 executing program 0: r0 = syz_open_dev$ndb(&(0x7f00000002c0), 0x0, 0x602040) r1 = ioctl$TIOCGPTPEER(0xffffffffffffffff, 0x5441, 0x8001) ioctl$TCSETSF(r1, 0x5404, &(0x7f0000000000)={0xd9, 0x7, 0x40, 0x6, 0x6, "29b8c8f416a833d5f02d5f71e93e8b0beb8bba"}) ioctl$NBD_SET_SOCK(r0, 0x5452, 0xffffffffffffffff) r2 = syz_open_dev$tty20(0xc, 0x4, 0x1) ioctl$TCSETSF(r2, 0x5404, &(0x7f0000000900)={0x0, 0x0, 0x0, 0x0, 0x0, "9750da5e3b38a0e557884e87596d6020c84d50"}) r3 = syz_open_dev$tty20(0xc, 0x4, 0x1) ioctl$TCSETSF(r3, 0x5404, &(0x7f0000000900)={0x0, 0x0, 0x0, 0x0, 0x0, "9750da5e3b38a0e557884e87596d6020c84d50"}) ioctl$KDGKBSENT(r3, 0x4b48, &(0x7f0000000080)={0x4, "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"}) ioctl$TIOCL_UNBLANKSCREEN(r2, 0x541c, &(0x7f0000000040)) [ 1301.279280] block nbd3: not configured, cannot reconfigure 08:02:18 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000200), r1) sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f0000000200)={0x0, 0x0, &(0x7f00000001c0)={&(0x7f0000000140)={0x1c, r2, 0x1, 0x0, 0x8000000, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x1c}}, 0x0) 08:02:18 executing program 4: syz_open_dev$ndb(&(0x7f00000002c0), 0x0, 0x0) r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000200), r1) sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f0000000200)={0x0, 0x0, &(0x7f00000001c0)={&(0x7f0000000140)={0x1c, r2, 0x1, 0x6c00, 0x0, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x1c}}, 0x0) [ 1301.320524] block nbd4: not configured, cannot reconfigure [ 1301.334769] block nbd1: not configured, cannot reconfigure 08:02:18 executing program 2: r0 = openat$ptmx(0xffffffffffffff9c, &(0x7f0000000040), 0x0, 0x0) syz_open_dev$ttys(0xc, 0x2, 0x1) r1 = open(&(0x7f0000000100)='./file0\x00', 0x400, 0xb2) ioctl$TCSETSW(r1, 0x5403, &(0x7f0000000540)={0x8001, 0x7ff, 0x5, 0x20, 0x7e, "baf26a10e07ba77f1de09b00000000c9c5a583"}) r2 = syz_open_dev$tty20(0xc, 0x4, 0x0) r3 = syz_open_dev$vcsn(&(0x7f0000000140), 0x1, 0x0) r4 = syz_open_dev$tty20(0xc, 0x4, 0x1) ioctl$TCSETSF(r4, 0x5404, &(0x7f0000000900)={0x0, 0x0, 0x0, 0x0, 0x0, "9750da5e3b38a0e557884e87596d6020c84d50"}) ioctl$TIOCMIWAIT(r4, 0x545c, 0x0) ioctl$MEDIA_IOC_REQUEST_ALLOC(r3, 0x80047c05, &(0x7f0000000180)) ioctl$AUTOFS_DEV_IOCTL_PROTOVER(r3, 0xc0189372, &(0x7f0000000080)={{0x1, 0x1, 0x18, r2}, './file0\x00'}) r5 = openat$ptmx(0xffffffffffffff9c, &(0x7f00000000c0), 0x2000, 0x0) ioctl$TIOCGPTPEER(r5, 0x5441, 0x1c) ioctl$TIOCL_BLANKSCREEN(r0, 0x541c, &(0x7f0000000000)) ioctl$KDDISABIO(r0, 0x4b37) 08:02:18 executing program 1: syz_open_dev$ndb(&(0x7f00000002c0), 0x0, 0x0) r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000200), r1) sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f0000000200)={0x0, 0x0, &(0x7f00000001c0)={&(0x7f0000000140)={0x1c, r2, 0x1, 0x0, 0x4000000, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x1c}}, 0x0) 08:02:19 executing program 0: r0 = syz_open_dev$ndb(&(0x7f00000002c0), 0x0, 0x602040) (async) r1 = ioctl$TIOCGPTPEER(0xffffffffffffffff, 0x5441, 0x8001) ioctl$TCSETSF(r1, 0x5404, &(0x7f0000000000)={0xd9, 0x7, 0x40, 0x6, 0x6, "29b8c8f416a833d5f02d5f71e93e8b0beb8bba"}) (async) ioctl$NBD_SET_SOCK(r0, 0x5452, 0xffffffffffffffff) r2 = syz_open_dev$tty20(0xc, 0x4, 0x1) ioctl$TCSETSF(r2, 0x5404, &(0x7f0000000900)={0x0, 0x0, 0x0, 0x0, 0x0, "9750da5e3b38a0e557884e87596d6020c84d50"}) r3 = syz_open_dev$tty20(0xc, 0x4, 0x1) ioctl$TCSETSF(r3, 0x5404, &(0x7f0000000900)={0x0, 0x0, 0x0, 0x0, 0x0, "9750da5e3b38a0e557884e87596d6020c84d50"}) (async) ioctl$KDGKBSENT(r3, 0x4b48, &(0x7f0000000080)={0x4, "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"}) (async) ioctl$TIOCL_UNBLANKSCREEN(r2, 0x541c, &(0x7f0000000040)) 08:02:19 executing program 5: r0 = syz_open_dev$ndb(&(0x7f00000002c0), 0x0, 0x40481) ioctl$NBD_SET_SOCK(r0, 0x5421, 0xffffffffffffffff) r1 = syz_open_dev$ttys(0xc, 0x2, 0x1) ioctl$TCSETSW(r1, 0x5403, &(0x7f0000000540)={0x0, 0x0, 0xffffffff, 0x9, 0x2, "baf26a10e07ba77f1de09b779f3357c9c5a583"}) ioctl$KDGETKEYCODE(r1, 0x4b4c, &(0x7f0000000000)={0x803}) [ 1301.439860] block nbd3: not configured, cannot reconfigure [ 1301.478667] block nbd4: not configured, cannot reconfigure 08:02:19 executing program 4: syz_open_dev$ndb(&(0x7f00000002c0), 0x0, 0x0) r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000200), r1) sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f0000000200)={0x0, 0x0, &(0x7f00000001c0)={&(0x7f0000000140)={0x1c, r2, 0x1, 0x7400, 0x0, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x1c}}, 0x0) 08:02:19 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000200), r1) sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f0000000200)={0x0, 0x0, &(0x7f00000001c0)={&(0x7f0000000140)={0x1c, r2, 0x1, 0x0, 0xf000000, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x1c}}, 0x0) 08:02:19 executing program 2: r0 = openat$ptmx(0xffffffffffffff9c, &(0x7f0000000040), 0x0, 0x0) (async, rerun: 32) syz_open_dev$ttys(0xc, 0x2, 0x1) (async, rerun: 32) r1 = open(&(0x7f0000000100)='./file0\x00', 0x400, 0xb2) ioctl$TCSETSW(r1, 0x5403, &(0x7f0000000540)={0x8001, 0x7ff, 0x5, 0x20, 0x7e, "baf26a10e07ba77f1de09b00000000c9c5a583"}) r2 = syz_open_dev$tty20(0xc, 0x4, 0x0) r3 = syz_open_dev$vcsn(&(0x7f0000000140), 0x1, 0x0) (async) r4 = syz_open_dev$tty20(0xc, 0x4, 0x1) ioctl$TCSETSF(r4, 0x5404, &(0x7f0000000900)={0x0, 0x0, 0x0, 0x0, 0x0, "9750da5e3b38a0e557884e87596d6020c84d50"}) (async) ioctl$TIOCMIWAIT(r4, 0x545c, 0x0) ioctl$MEDIA_IOC_REQUEST_ALLOC(r3, 0x80047c05, &(0x7f0000000180)) (async, rerun: 64) ioctl$AUTOFS_DEV_IOCTL_PROTOVER(r3, 0xc0189372, &(0x7f0000000080)={{0x1, 0x1, 0x18, r2}, './file0\x00'}) (async, rerun: 64) r5 = openat$ptmx(0xffffffffffffff9c, &(0x7f00000000c0), 0x2000, 0x0) ioctl$TIOCGPTPEER(r5, 0x5441, 0x1c) ioctl$TIOCL_BLANKSCREEN(r0, 0x541c, &(0x7f0000000000)) (async) ioctl$KDDISABIO(r0, 0x4b37) 08:02:19 executing program 1: syz_open_dev$ndb(&(0x7f00000002c0), 0x0, 0x0) r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000200), r1) sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f0000000200)={0x0, 0x0, &(0x7f00000001c0)={&(0x7f0000000140)={0x1c, r2, 0x1, 0x0, 0x5000000, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x1c}}, 0x0) [ 1301.497300] block nbd1: not configured, cannot reconfigure 08:02:19 executing program 5: r0 = syz_open_dev$ndb(&(0x7f00000002c0), 0x0, 0x40481) ioctl$NBD_SET_SOCK(r0, 0x5421, 0xffffffffffffffff) r1 = syz_open_dev$ttys(0xc, 0x2, 0x1) ioctl$TCSETSW(r1, 0x5403, &(0x7f0000000540)={0x0, 0x0, 0xffffffff, 0x9, 0x2, "baf26a10e07ba77f1de09b779f3357c9c5a583"}) ioctl$KDGETKEYCODE(r1, 0x4b4c, &(0x7f0000000000)={0x803}) syz_open_dev$ndb(&(0x7f00000002c0), 0x0, 0x40481) (async) ioctl$NBD_SET_SOCK(r0, 0x5421, 0xffffffffffffffff) (async) syz_open_dev$ttys(0xc, 0x2, 0x1) (async) ioctl$TCSETSW(r1, 0x5403, &(0x7f0000000540)={0x0, 0x0, 0xffffffff, 0x9, 0x2, "baf26a10e07ba77f1de09b779f3357c9c5a583"}) (async) ioctl$KDGETKEYCODE(r1, 0x4b4c, &(0x7f0000000000)={0x803}) (async) 08:02:19 executing program 0: r0 = syz_open_dev$ndb(&(0x7f00000002c0), 0x0, 0x602040) (async) r1 = ioctl$TIOCGPTPEER(0xffffffffffffffff, 0x5441, 0x8001) ioctl$TCSETSF(r1, 0x5404, &(0x7f0000000000)={0xd9, 0x7, 0x40, 0x6, 0x6, "29b8c8f416a833d5f02d5f71e93e8b0beb8bba"}) (async) ioctl$NBD_SET_SOCK(r0, 0x5452, 0xffffffffffffffff) r2 = syz_open_dev$tty20(0xc, 0x4, 0x1) ioctl$TCSETSF(r2, 0x5404, &(0x7f0000000900)={0x0, 0x0, 0x0, 0x0, 0x0, "9750da5e3b38a0e557884e87596d6020c84d50"}) (async) r3 = syz_open_dev$tty20(0xc, 0x4, 0x1) ioctl$TCSETSF(r3, 0x5404, &(0x7f0000000900)={0x0, 0x0, 0x0, 0x0, 0x0, "9750da5e3b38a0e557884e87596d6020c84d50"}) (async) ioctl$KDGKBSENT(r3, 0x4b48, &(0x7f0000000080)={0x4, "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"}) ioctl$TIOCL_UNBLANKSCREEN(r2, 0x541c, &(0x7f0000000040)) [ 1301.607968] block nbd4: not configured, cannot reconfigure [ 1301.635303] block nbd3: not configured, cannot reconfigure 08:02:19 executing program 4: syz_open_dev$ndb(&(0x7f00000002c0), 0x0, 0x0) r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000200), r1) sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f0000000200)={0x0, 0x0, &(0x7f00000001c0)={&(0x7f0000000140)={0x1c, r2, 0x1, 0x7a00, 0x0, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x1c}}, 0x0) 08:02:19 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000200), r1) sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f0000000200)={0x0, 0x0, &(0x7f00000001c0)={&(0x7f0000000140)={0x1c, r2, 0x1, 0x0, 0x20000000, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x1c}}, 0x0) 08:02:19 executing program 1: syz_open_dev$ndb(&(0x7f00000002c0), 0x0, 0x0) r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000200), r1) sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f0000000200)={0x0, 0x0, &(0x7f00000001c0)={&(0x7f0000000140)={0x1c, r2, 0x1, 0x0, 0x6000000, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x1c}}, 0x0) 08:02:19 executing program 0: r0 = syz_open_dev$ndb(&(0x7f00000002c0), 0x0, 0x0) r1 = syz_open_dev$vcsn(&(0x7f0000000140), 0x1, 0x0) ioctl$MEDIA_IOC_REQUEST_ALLOC(r1, 0x80047c05, &(0x7f0000000180)) ioctl$NBD_SET_SOCK(r0, 0x5452, 0xffffffffffffffff) [ 1301.653804] block nbd1: not configured, cannot reconfigure 08:02:19 executing program 5: r0 = syz_open_dev$ndb(&(0x7f00000002c0), 0x0, 0x40481) ioctl$NBD_SET_SOCK(r0, 0x5421, 0xffffffffffffffff) (async) r1 = syz_open_dev$ttys(0xc, 0x2, 0x1) ioctl$TCSETSW(r1, 0x5403, &(0x7f0000000540)={0x0, 0x0, 0xffffffff, 0x9, 0x2, "baf26a10e07ba77f1de09b779f3357c9c5a583"}) (async) ioctl$KDGETKEYCODE(r1, 0x4b4c, &(0x7f0000000000)={0x803}) 08:02:19 executing program 0: r0 = syz_open_dev$ndb(&(0x7f00000002c0), 0x0, 0x0) r1 = syz_open_dev$vcsn(&(0x7f0000000140), 0x1, 0x0) ioctl$MEDIA_IOC_REQUEST_ALLOC(r1, 0x80047c05, &(0x7f0000000180)) ioctl$NBD_SET_SOCK(r0, 0x5452, 0xffffffffffffffff) 08:02:19 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000200), r1) sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f0000000200)={0x0, 0x0, &(0x7f00000001c0)={&(0x7f0000000140)={0x1c, r2, 0x1, 0x0, 0x48000000, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x1c}}, 0x0) [ 1301.760044] block nbd1: not configured, cannot reconfigure [ 1301.783461] block nbd4: not configured, cannot reconfigure [ 1301.793385] block nbd3: not configured, cannot reconfigure 08:02:19 executing program 1: syz_open_dev$ndb(&(0x7f00000002c0), 0x0, 0x0) r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000200), r1) sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f0000000200)={0x0, 0x0, &(0x7f00000001c0)={&(0x7f0000000140)={0x1c, r2, 0x1, 0x0, 0x7000000, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x1c}}, 0x0) 08:02:19 executing program 2: r0 = openat$ptmx(0xffffffffffffff9c, &(0x7f0000000040), 0x0, 0x0) syz_open_dev$ttys(0xc, 0x2, 0x1) r1 = open(&(0x7f0000000100)='./file0\x00', 0x400, 0xb2) ioctl$TCSETSW(r1, 0x5403, &(0x7f0000000540)={0x8001, 0x7ff, 0x5, 0x20, 0x7e, "baf26a10e07ba77f1de09b00000000c9c5a583"}) r2 = syz_open_dev$tty20(0xc, 0x4, 0x0) r3 = syz_open_dev$vcsn(&(0x7f0000000140), 0x1, 0x0) r4 = syz_open_dev$tty20(0xc, 0x4, 0x1) ioctl$TCSETSF(r4, 0x5404, &(0x7f0000000900)={0x0, 0x0, 0x0, 0x0, 0x0, "9750da5e3b38a0e557884e87596d6020c84d50"}) ioctl$TIOCMIWAIT(r4, 0x545c, 0x0) ioctl$MEDIA_IOC_REQUEST_ALLOC(r3, 0x80047c05, &(0x7f0000000180)) ioctl$AUTOFS_DEV_IOCTL_PROTOVER(r3, 0xc0189372, &(0x7f0000000080)={{0x1, 0x1, 0x18, r2}, './file0\x00'}) r5 = openat$ptmx(0xffffffffffffff9c, &(0x7f00000000c0), 0x2000, 0x0) ioctl$TIOCGPTPEER(r5, 0x5441, 0x1c) ioctl$TIOCL_BLANKSCREEN(r0, 0x541c, &(0x7f0000000000)) ioctl$KDDISABIO(r0, 0x4b37) openat$ptmx(0xffffffffffffff9c, &(0x7f0000000040), 0x0, 0x0) (async) syz_open_dev$ttys(0xc, 0x2, 0x1) (async) open(&(0x7f0000000100)='./file0\x00', 0x400, 0xb2) (async) ioctl$TCSETSW(r1, 0x5403, &(0x7f0000000540)={0x8001, 0x7ff, 0x5, 0x20, 0x7e, "baf26a10e07ba77f1de09b00000000c9c5a583"}) (async) syz_open_dev$tty20(0xc, 0x4, 0x0) (async) syz_open_dev$vcsn(&(0x7f0000000140), 0x1, 0x0) (async) syz_open_dev$tty20(0xc, 0x4, 0x1) (async) ioctl$TCSETSF(r4, 0x5404, &(0x7f0000000900)={0x0, 0x0, 0x0, 0x0, 0x0, "9750da5e3b38a0e557884e87596d6020c84d50"}) (async) ioctl$TIOCMIWAIT(r4, 0x545c, 0x0) (async) ioctl$MEDIA_IOC_REQUEST_ALLOC(r3, 0x80047c05, &(0x7f0000000180)) (async) ioctl$AUTOFS_DEV_IOCTL_PROTOVER(r3, 0xc0189372, &(0x7f0000000080)={{0x1, 0x1, 0x18, r2}, './file0\x00'}) (async) openat$ptmx(0xffffffffffffff9c, &(0x7f00000000c0), 0x2000, 0x0) (async) ioctl$TIOCGPTPEER(r5, 0x5441, 0x1c) (async) ioctl$TIOCL_BLANKSCREEN(r0, 0x541c, &(0x7f0000000000)) (async) ioctl$KDDISABIO(r0, 0x4b37) (async) 08:02:19 executing program 4: syz_open_dev$ndb(&(0x7f00000002c0), 0x0, 0x0) r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000200), r1) sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f0000000200)={0x0, 0x0, &(0x7f00000001c0)={&(0x7f0000000140)={0x1c, r2, 0x1, 0xd865, 0x0, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x1c}}, 0x0) 08:02:19 executing program 5: syz_open_dev$ndb(&(0x7f00000002c0), 0x0, 0x8280) 08:02:19 executing program 0: r0 = syz_open_dev$ndb(&(0x7f00000002c0), 0x0, 0x0) (async) r1 = syz_open_dev$vcsn(&(0x7f0000000140), 0x1, 0x0) ioctl$MEDIA_IOC_REQUEST_ALLOC(r1, 0x80047c05, &(0x7f0000000180)) (async) ioctl$NBD_SET_SOCK(r0, 0x5452, 0xffffffffffffffff) 08:02:19 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000200), r1) sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f0000000200)={0x0, 0x0, &(0x7f00000001c0)={&(0x7f0000000140)={0x1c, r2, 0x1, 0x0, 0x4c000000, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x1c}}, 0x0) [ 1301.903754] block nbd3: not configured, cannot reconfigure [ 1301.941127] block nbd1: not configured, cannot reconfigure 08:02:19 executing program 1: syz_open_dev$ndb(&(0x7f00000002c0), 0x0, 0x0) r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000200), r1) sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f0000000200)={0x0, 0x0, &(0x7f00000001c0)={&(0x7f0000000140)={0x1c, r2, 0x1, 0x0, 0x8000000, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x1c}}, 0x0) 08:02:19 executing program 5: syz_open_dev$ndb(&(0x7f00000002c0), 0x0, 0x8280) 08:02:19 executing program 0: r0 = syz_open_dev$ndb(&(0x7f00000002c0), 0x0, 0x0) r1 = socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$batadv(&(0x7f0000000480), 0xffffffffffffffff) sendmsg$BATADV_CMD_TP_METER_CANCEL(r1, &(0x7f0000000580)={0x0, 0x0, &(0x7f0000000540)={&(0x7f0000000300)=ANY=[@ANYBLOB="140000006c944ebd7e2f9a90d1c51874ea492c4594670e45762a2cc8ffb754c4e41b9ffe6d8d5725e184f540271be3b905f93a9458a5b96ccbe2fbba3781c18639c06f2dcb05a504fadddaaab78c334b93185bd7c7c9796b0c3e60f6cde5207cc8b63d02d36d6e9c81278296bde307e04cb2df12e0f7d9c0918394e9f4bfa893f07bed7e4203cad886da015db1d1200e99256f340a38c98892fbd6dad38c01e0a803f66bd170dcd743", @ANYRES16=r2, @ANYBLOB="0100000000000000000003000000"], 0x14}}, 0x4) sendmsg$BATADV_CMD_GET_MCAST_FLAGS(0xffffffffffffffff, &(0x7f00000000c0)={&(0x7f0000000000), 0xc, &(0x7f0000000080)={&(0x7f0000000040)={0x24, r2, 0x4, 0x70bd2d, 0x25dfdbfd, {}, [@BATADV_ATTR_FRAGMENTATION_ENABLED={0x5}, @BATADV_ATTR_AGGREGATED_OGMS_ENABLED={0x5, 0x29, 0x1}]}, 0x24}, 0x1, 0x0, 0x0, 0x4040051}, 0x80) ioctl$NBD_SET_SOCK(r0, 0x5452, 0xffffffffffffffff) getsockopt$sock_cred(r1, 0x1, 0x11, &(0x7f0000000100), &(0x7f0000000140)=0xc) sendmsg$BATADV_CMD_GET_MCAST_FLAGS(r1, &(0x7f0000000240)={&(0x7f0000000180)={0x10, 0x0, 0x0, 0x8000}, 0xc, &(0x7f0000000200)={&(0x7f00000001c0)={0x24, r2, 0x10, 0x70bd25, 0x25dfdbff, {}, [@BATADV_ATTR_DISTRIBUTED_ARP_TABLE_ENABLED={0x5}, @BATADV_ATTR_MESH_IFINDEX={0x8}]}, 0x24}, 0x1, 0x0, 0x0, 0x4040091}, 0x4000080) 08:02:19 executing program 4: syz_open_dev$ndb(&(0x7f00000002c0), 0x0, 0x0) r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000200), r1) sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f0000000200)={0x0, 0x0, &(0x7f00000001c0)={&(0x7f0000000140)={0x1c, r2, 0x1, 0xf000, 0x0, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x1c}}, 0x0) 08:02:19 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000200), r1) sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f0000000200)={0x0, 0x0, &(0x7f00000001c0)={&(0x7f0000000140)={0x1c, r2, 0x1, 0x0, 0x60000000, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x1c}}, 0x0) [ 1302.009802] block nbd4: not configured, cannot reconfigure [ 1302.031447] block nbd3: not configured, cannot reconfigure 08:02:19 executing program 2: keyctl$clear(0x7, 0xfffffffffffffffc) r0 = add_key$keyring(&(0x7f0000000000), &(0x7f0000000080)={'syz', 0x0}, 0x0, 0x0, 0xfffffffffffffffa) keyctl$negate(0xd, r0, 0x9, 0xffffffffffffffff) r1 = openat$ptmx(0xffffffffffffff9c, &(0x7f0000000040), 0x0, 0x0) ioctl$TIOCGPTPEER(r1, 0x5441, 0xdbb8) 08:02:19 executing program 5: syz_open_dev$ndb(&(0x7f00000002c0), 0x0, 0x8280) [ 1302.104914] block nbd1: not configured, cannot reconfigure 08:02:19 executing program 1: syz_open_dev$ndb(&(0x7f00000002c0), 0x0, 0x0) r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000200), r1) sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f0000000200)={0x0, 0x0, &(0x7f00000001c0)={&(0x7f0000000140)={0x1c, r2, 0x1, 0x0, 0xf000000, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x1c}}, 0x0) 08:02:19 executing program 0: r0 = syz_open_dev$ndb(&(0x7f00000002c0), 0x0, 0x0) r1 = socket$nl_generic(0x10, 0x3, 0x10) (async) r2 = syz_genetlink_get_family_id$batadv(&(0x7f0000000480), 0xffffffffffffffff) sendmsg$BATADV_CMD_TP_METER_CANCEL(r1, &(0x7f0000000580)={0x0, 0x0, &(0x7f0000000540)={&(0x7f0000000300)=ANY=[@ANYBLOB="140000006c944ebd7e2f9a90d1c51874ea492c4594670e45762a2cc8ffb754c4e41b9ffe6d8d5725e184f540271be3b905f93a9458a5b96ccbe2fbba3781c18639c06f2dcb05a504fadddaaab78c334b93185bd7c7c9796b0c3e60f6cde5207cc8b63d02d36d6e9c81278296bde307e04cb2df12e0f7d9c0918394e9f4bfa893f07bed7e4203cad886da015db1d1200e99256f340a38c98892fbd6dad38c01e0a803f66bd170dcd743", @ANYRES16=r2, @ANYBLOB="0100000000000000000003000000"], 0x14}}, 0x4) (async) sendmsg$BATADV_CMD_GET_MCAST_FLAGS(0xffffffffffffffff, &(0x7f00000000c0)={&(0x7f0000000000), 0xc, &(0x7f0000000080)={&(0x7f0000000040)={0x24, r2, 0x4, 0x70bd2d, 0x25dfdbfd, {}, [@BATADV_ATTR_FRAGMENTATION_ENABLED={0x5}, @BATADV_ATTR_AGGREGATED_OGMS_ENABLED={0x5, 0x29, 0x1}]}, 0x24}, 0x1, 0x0, 0x0, 0x4040051}, 0x80) (async) ioctl$NBD_SET_SOCK(r0, 0x5452, 0xffffffffffffffff) (async) getsockopt$sock_cred(r1, 0x1, 0x11, &(0x7f0000000100), &(0x7f0000000140)=0xc) sendmsg$BATADV_CMD_GET_MCAST_FLAGS(r1, &(0x7f0000000240)={&(0x7f0000000180)={0x10, 0x0, 0x0, 0x8000}, 0xc, &(0x7f0000000200)={&(0x7f00000001c0)={0x24, r2, 0x10, 0x70bd25, 0x25dfdbff, {}, [@BATADV_ATTR_DISTRIBUTED_ARP_TABLE_ENABLED={0x5}, @BATADV_ATTR_MESH_IFINDEX={0x8}]}, 0x24}, 0x1, 0x0, 0x0, 0x4040091}, 0x4000080) 08:02:19 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000200), r1) sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f0000000200)={0x0, 0x0, &(0x7f00000001c0)={&(0x7f0000000140)={0x1c, r2, 0x1, 0x0, 0x68000000, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x1c}}, 0x0) [ 1302.150812] block nbd3: not configured, cannot reconfigure [ 1302.181336] block nbd4: not configured, cannot reconfigure 08:02:19 executing program 4: syz_open_dev$ndb(&(0x7f00000002c0), 0x0, 0x0) r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000200), r1) sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f0000000200)={0x0, 0x0, &(0x7f00000001c0)={&(0x7f0000000140)={0x1c, r2, 0x1, 0x30000, 0x0, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x1c}}, 0x0) 08:02:19 executing program 2: keyctl$clear(0x7, 0xfffffffffffffffc) r0 = add_key$keyring(&(0x7f0000000000), &(0x7f0000000080)={'syz', 0x0}, 0x0, 0x0, 0xfffffffffffffffa) keyctl$negate(0xd, r0, 0x9, 0xffffffffffffffff) (async) r1 = openat$ptmx(0xffffffffffffff9c, &(0x7f0000000040), 0x0, 0x0) ioctl$TIOCGPTPEER(r1, 0x5441, 0xdbb8) 08:02:19 executing program 5: r0 = syz_open_dev$ndb(&(0x7f00000002c0), 0x0, 0x10000) ioctl$NBD_SET_SOCK(r0, 0x5421, 0xffffffffffffffff) 08:02:19 executing program 1: syz_open_dev$ndb(&(0x7f00000002c0), 0x0, 0x0) r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000200), r1) sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f0000000200)={0x0, 0x0, &(0x7f00000001c0)={&(0x7f0000000140)={0x1c, r2, 0x1, 0x0, 0x20000000, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x1c}}, 0x0) 08:02:19 executing program 0: r0 = syz_open_dev$ndb(&(0x7f00000002c0), 0x0, 0x0) r1 = socket$nl_generic(0x10, 0x3, 0x10) (async) r2 = syz_genetlink_get_family_id$batadv(&(0x7f0000000480), 0xffffffffffffffff) sendmsg$BATADV_CMD_TP_METER_CANCEL(r1, &(0x7f0000000580)={0x0, 0x0, &(0x7f0000000540)={&(0x7f0000000300)=ANY=[@ANYBLOB="140000006c944ebd7e2f9a90d1c51874ea492c4594670e45762a2cc8ffb754c4e41b9ffe6d8d5725e184f540271be3b905f93a9458a5b96ccbe2fbba3781c18639c06f2dcb05a504fadddaaab78c334b93185bd7c7c9796b0c3e60f6cde5207cc8b63d02d36d6e9c81278296bde307e04cb2df12e0f7d9c0918394e9f4bfa893f07bed7e4203cad886da015db1d1200e99256f340a38c98892fbd6dad38c01e0a803f66bd170dcd743", @ANYRES16=r2, @ANYBLOB="0100000000000000000003000000"], 0x14}}, 0x4) sendmsg$BATADV_CMD_GET_MCAST_FLAGS(0xffffffffffffffff, &(0x7f00000000c0)={&(0x7f0000000000), 0xc, &(0x7f0000000080)={&(0x7f0000000040)={0x24, r2, 0x4, 0x70bd2d, 0x25dfdbfd, {}, [@BATADV_ATTR_FRAGMENTATION_ENABLED={0x5}, @BATADV_ATTR_AGGREGATED_OGMS_ENABLED={0x5, 0x29, 0x1}]}, 0x24}, 0x1, 0x0, 0x0, 0x4040051}, 0x80) ioctl$NBD_SET_SOCK(r0, 0x5452, 0xffffffffffffffff) (async) getsockopt$sock_cred(r1, 0x1, 0x11, &(0x7f0000000100), &(0x7f0000000140)=0xc) (async) sendmsg$BATADV_CMD_GET_MCAST_FLAGS(r1, &(0x7f0000000240)={&(0x7f0000000180)={0x10, 0x0, 0x0, 0x8000}, 0xc, &(0x7f0000000200)={&(0x7f00000001c0)={0x24, r2, 0x10, 0x70bd25, 0x25dfdbff, {}, [@BATADV_ATTR_DISTRIBUTED_ARP_TABLE_ENABLED={0x5}, @BATADV_ATTR_MESH_IFINDEX={0x8}]}, 0x24}, 0x1, 0x0, 0x0, 0x4040091}, 0x4000080) [ 1302.271701] block nbd1: not configured, cannot reconfigure [ 1302.302782] block nbd3: not configured, cannot reconfigure 08:02:19 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000200), r1) sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f0000000200)={0x0, 0x0, &(0x7f00000001c0)={&(0x7f0000000140)={0x1c, r2, 0x1, 0x0, 0x6c000000, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x1c}}, 0x0) 08:02:19 executing program 2: keyctl$clear(0x7, 0xfffffffffffffffc) r0 = add_key$keyring(&(0x7f0000000000), &(0x7f0000000080)={'syz', 0x0}, 0x0, 0x0, 0xfffffffffffffffa) keyctl$negate(0xd, r0, 0x9, 0xffffffffffffffff) r1 = openat$ptmx(0xffffffffffffff9c, &(0x7f0000000040), 0x0, 0x0) ioctl$TIOCGPTPEER(r1, 0x5441, 0xdbb8) 08:02:19 executing program 5: r0 = syz_open_dev$ndb(&(0x7f00000002c0), 0x0, 0x10000) ioctl$NBD_SET_SOCK(r0, 0x5421, 0xffffffffffffffff) [ 1302.341572] block nbd4: not configured, cannot reconfigure 08:02:19 executing program 4: syz_open_dev$ndb(&(0x7f00000002c0), 0x0, 0x0) r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000200), r1) sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f0000000200)={0x0, 0x0, &(0x7f00000001c0)={&(0x7f0000000140)={0x1c, r2, 0x1, 0x34000, 0x0, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x1c}}, 0x0) 08:02:20 executing program 1: syz_open_dev$ndb(&(0x7f00000002c0), 0x0, 0x0) r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000200), r1) sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f0000000200)={0x0, 0x0, &(0x7f00000001c0)={&(0x7f0000000140)={0x1c, r2, 0x1, 0x0, 0x48000000, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x1c}}, 0x0) 08:02:20 executing program 2: r0 = openat$ptmx(0xffffffffffffff9c, &(0x7f0000000040), 0x0, 0x0) ioctl$TIOCGPTPEER(r0, 0x5441, 0xdbb8) ioctl$TIOCL_BLANKSCREEN(r0, 0x541c, &(0x7f0000000000)) [ 1302.432645] block nbd1: not configured, cannot reconfigure [ 1302.462387] block nbd3: not configured, cannot reconfigure 08:02:20 executing program 0: r0 = syz_open_dev$ndb(&(0x7f00000002c0), 0x0, 0x20900) r1 = syz_open_dev$vcsn(&(0x7f0000000140), 0x1, 0x0) ioctl$MEDIA_IOC_REQUEST_ALLOC(r1, 0x80047c05, &(0x7f0000000180)) r2 = syz_open_dev$vcsn(&(0x7f0000000000), 0x7fff, 0x40800) ioctl$NBD_SET_SOCK(r2, 0x5452, r2) socket$bt_rfcomm(0x1f, 0x2, 0x3) ioctl$TUNSETQUEUE(r2, 0x400454d9, &(0x7f0000000040)={'wlan1\x00', 0x200}) ioctl$NBD_CLEAR_QUE(r0, 0xab05) 08:02:20 executing program 5: r0 = syz_open_dev$ndb(&(0x7f00000002c0), 0x0, 0x10000) ioctl$NBD_SET_SOCK(r0, 0x5421, 0xffffffffffffffff) 08:02:20 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000200), r1) sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f0000000200)={0x0, 0x0, &(0x7f00000001c0)={&(0x7f0000000140)={0x1c, r2, 0x1, 0x0, 0x74000000, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x1c}}, 0x0) 08:02:20 executing program 4: syz_open_dev$ndb(&(0x7f00000002c0), 0x0, 0x0) r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000200), r1) sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f0000000200)={0x0, 0x0, &(0x7f00000001c0)={&(0x7f0000000140)={0x1c, r2, 0x1, 0x400300, 0x0, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x1c}}, 0x0) [ 1302.490930] block nbd4: not configured, cannot reconfigure 08:02:20 executing program 2: r0 = openat$ptmx(0xffffffffffffff9c, &(0x7f0000000040), 0x0, 0x0) ioctl$TIOCGPTPEER(r0, 0x5441, 0xdbb8) (async) ioctl$TIOCL_BLANKSCREEN(r0, 0x541c, &(0x7f0000000000)) 08:02:20 executing program 0: r0 = syz_open_dev$ndb(&(0x7f00000002c0), 0x0, 0x20900) r1 = syz_open_dev$vcsn(&(0x7f0000000140), 0x1, 0x0) ioctl$MEDIA_IOC_REQUEST_ALLOC(r1, 0x80047c05, &(0x7f0000000180)) (async) r2 = syz_open_dev$vcsn(&(0x7f0000000000), 0x7fff, 0x40800) ioctl$NBD_SET_SOCK(r2, 0x5452, r2) (async) socket$bt_rfcomm(0x1f, 0x2, 0x3) (async) ioctl$TUNSETQUEUE(r2, 0x400454d9, &(0x7f0000000040)={'wlan1\x00', 0x200}) (async) ioctl$NBD_CLEAR_QUE(r0, 0xab05) 08:02:20 executing program 5: r0 = syz_open_dev$ndb(&(0x7f00000002c0), 0x0, 0x0) write$apparmor_current(0xffffffffffffffff, 0x0, 0x0) ioctl$NBD_SET_SOCK(r0, 0x5421, 0xffffffffffffffff) 08:02:20 executing program 1: syz_open_dev$ndb(&(0x7f00000002c0), 0x0, 0x0) r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000200), r1) sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f0000000200)={0x0, 0x0, &(0x7f00000001c0)={&(0x7f0000000140)={0x1c, r2, 0x1, 0x0, 0x4c000000, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x1c}}, 0x0) 08:02:20 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000200), r1) sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f0000000200)={0x0, 0x0, &(0x7f00000001c0)={&(0x7f0000000140)={0x1c, r2, 0x1, 0x0, 0x7a000000, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x1c}}, 0x0) [ 1302.600632] block nbd3: not configured, cannot reconfigure [ 1302.621604] block nbd1: not configured, cannot reconfigure [ 1302.633220] block nbd4: not configured, cannot reconfigure 08:02:20 executing program 4: syz_open_dev$ndb(&(0x7f00000002c0), 0x0, 0x0) r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000200), r1) sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f0000000200)={0x0, 0x0, &(0x7f00000001c0)={&(0x7f0000000140)={0x1c, r2, 0x1, 0xf0ffff, 0x0, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x1c}}, 0x0) 08:02:20 executing program 2: r0 = openat$ptmx(0xffffffffffffff9c, &(0x7f0000000040), 0x0, 0x0) ioctl$TIOCGPTPEER(r0, 0x5441, 0xdbb8) (async) ioctl$TIOCL_BLANKSCREEN(r0, 0x541c, &(0x7f0000000000)) 08:02:20 executing program 5: r0 = syz_open_dev$ndb(&(0x7f00000002c0), 0x0, 0x0) write$apparmor_current(0xffffffffffffffff, 0x0, 0x0) (async) ioctl$NBD_SET_SOCK(r0, 0x5421, 0xffffffffffffffff) 08:02:20 executing program 0: r0 = syz_open_dev$ndb(&(0x7f00000002c0), 0x0, 0x20900) r1 = syz_open_dev$vcsn(&(0x7f0000000140), 0x1, 0x0) ioctl$MEDIA_IOC_REQUEST_ALLOC(r1, 0x80047c05, &(0x7f0000000180)) syz_open_dev$vcsn(&(0x7f0000000000), 0x7fff, 0x40800) (async) r2 = syz_open_dev$vcsn(&(0x7f0000000000), 0x7fff, 0x40800) ioctl$NBD_SET_SOCK(r2, 0x5452, r2) socket$bt_rfcomm(0x1f, 0x2, 0x3) (async) socket$bt_rfcomm(0x1f, 0x2, 0x3) ioctl$TUNSETQUEUE(r2, 0x400454d9, &(0x7f0000000040)={'wlan1\x00', 0x200}) ioctl$NBD_CLEAR_QUE(r0, 0xab05) 08:02:20 executing program 1: syz_open_dev$ndb(&(0x7f00000002c0), 0x0, 0x0) r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000200), r1) sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f0000000200)={0x0, 0x0, &(0x7f00000001c0)={&(0x7f0000000140)={0x1c, r2, 0x1, 0x0, 0x60000000, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x1c}}, 0x0) 08:02:20 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000200), r1) sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f0000000200)={0x0, 0x0, &(0x7f00000001c0)={&(0x7f0000000140)={0x1c, r2, 0x1, 0x0, 0x9effffff, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x1c}}, 0x0) [ 1302.753418] block nbd1: not configured, cannot reconfigure [ 1302.776659] block nbd4: not configured, cannot reconfigure [ 1302.795950] block nbd3: not configured, cannot reconfigure 08:02:20 executing program 4: syz_open_dev$ndb(&(0x7f00000002c0), 0x0, 0x0) r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000200), r1) sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f0000000200)={0x0, 0x0, &(0x7f00000001c0)={&(0x7f0000000140)={0x1c, r2, 0x1, 0x1000000, 0x0, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x1c}}, 0x0) 08:02:20 executing program 2: r0 = openat$ptmx(0xffffffffffffff9c, &(0x7f0000000040), 0xd0000, 0x0) ioctl$TIOCSERGETLSR(r0, 0x5459, &(0x7f0000000000)) r1 = syz_open_dev$ttys(0xc, 0x2, 0x1) r2 = syz_open_pts(r1, 0x1) ioctl$KDGKBSENT(r2, 0x4b48, &(0x7f0000000100)={0x6, "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"}) ioctl$TCSETSW(r1, 0x5403, &(0x7f0000000540)={0x0, 0x0, 0xffffffff, 0x9, 0x0, "baf26a10e07ba77f1de09b779f3357c9c5a583"}) ioctl$TCSETSW(r1, 0x5403, &(0x7f00000000c0)={0x2, 0x8, 0x5, 0xfff, 0x1, "ba0226266647ac2e0d2b9c05a2f3db0d7ae3ed"}) r3 = openat$ptmx(0xffffffffffffff9c, &(0x7f0000000080), 0x101000, 0x0) syz_open_pts(r3, 0x30080) r4 = syz_genetlink_get_family_id$nbd(&(0x7f0000000380), 0xffffffffffffffff) ioctl$AUTOFS_DEV_IOCTL_PROTOVER(0xffffffffffffffff, 0xc0189372, &(0x7f00000003c0)={{0x1, 0x1, 0x18, r0, {0x5}}, './file0\x00'}) ioctl$AUTOFS_DEV_IOCTL_REQUESTER(0xffffffffffffffff, 0xc018937b, &(0x7f0000000400)={{0x1, 0x1, 0x18, 0xffffffffffffffff, {0x0, 0xee01}}, './file0\x00'}) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000440)={0xffffffffffffffff}) r8 = syz_open_dev$vcsn(&(0x7f0000000140), 0x1, 0x0) ioctl$MEDIA_IOC_REQUEST_ALLOC(r8, 0x80047c05, &(0x7f0000000180)) sendmsg$NBD_CMD_DISCONNECT(0xffffffffffffffff, &(0x7f0000000580)={&(0x7f0000000340)={0x10, 0x0, 0x0, 0x100}, 0xc, &(0x7f0000000500)={&(0x7f0000000480)={0x6c, r4, 0x100, 0x70bd2b, 0x25dfdbff, {}, [@NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x1ff}, @NBD_ATTR_SOCKETS={0x4c, 0x7, 0x0, 0x1, [{0x8}, {0x8, 0x1, r5}, {0x8, 0x1, r6}, {0x8, 0x1, r7}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8, 0x1, r8}]}]}, 0x6c}, 0x1, 0x0, 0x0, 0x4004}, 0x60) ioctl$TIOCGPTPEER(r0, 0x5441, 0xdbb8) 08:02:20 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_open_dev$ndb(&(0x7f00000002c0), 0x0, 0x0) ioctl$NBD_SET_SOCK(r1, 0x5452, 0xffffffffffffffff) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r4 = syz_genetlink_get_family_id$nbd(&(0x7f0000000200), r3) sendmsg$NBD_CMD_DISCONNECT(r2, &(0x7f00000004c0)={&(0x7f00000003c0), 0xc, &(0x7f0000000480)={&(0x7f0000000400)={0x28, r4, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_BLOCK_SIZE_BYTES={0xc}, @NBD_ATTR_BACKEND_IDENTIFIER={0x5, 0xa, '^'}]}, 0x28}}, 0x0) sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f0000000100)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x100}, 0xc, &(0x7f00000000c0)={&(0x7f0000000040)={0x80, r4, 0x400, 0x70bd27, 0x25dfdbff, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0xc}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x120}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_BACKEND_IDENTIFIER={0x6, 0xa, '\x99&'}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x1}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x9}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x2}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x80}, 0x1, 0x0, 0x0, 0x48070}, 0x40440c0) r5 = syz_open_dev$vcsn(&(0x7f0000000140), 0x1, 0x0) ioctl$MEDIA_IOC_REQUEST_ALLOC(r5, 0x80047c05, &(0x7f0000000180)) ioctl$NBD_CLEAR_SOCK(r5, 0xab04) 08:02:20 executing program 5: r0 = syz_open_dev$ndb(&(0x7f00000002c0), 0x0, 0x0) write$apparmor_current(0xffffffffffffffff, 0x0, 0x0) ioctl$NBD_SET_SOCK(r0, 0x5421, 0xffffffffffffffff) (async) ioctl$NBD_SET_SOCK(r0, 0x5421, 0xffffffffffffffff) 08:02:20 executing program 4: syz_open_dev$ndb(&(0x7f00000002c0), 0x0, 0x0) r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000200), r1) sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f0000000200)={0x0, 0x0, &(0x7f00000001c0)={&(0x7f0000000140)={0x1c, r2, 0x1, 0x2000000, 0x0, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x1c}}, 0x0) [ 1302.893069] block nbd4: not configured, cannot reconfigure [ 1302.924491] block nbd1: not configured, cannot reconfigure 08:02:20 executing program 1: syz_open_dev$ndb(&(0x7f00000002c0), 0x0, 0x0) r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000200), r1) sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f0000000200)={0x0, 0x0, &(0x7f00000001c0)={&(0x7f0000000140)={0x1c, r2, 0x1, 0x0, 0x65770bc2, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x1c}}, 0x0) 08:02:20 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000200), r1) sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f0000000200)={0x0, 0x0, &(0x7f00000001c0)={&(0x7f0000000140)={0x1c, r2, 0x1, 0x0, 0xd237d1d4, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x1c}}, 0x0) 08:02:20 executing program 2: r0 = openat$ptmx(0xffffffffffffff9c, &(0x7f0000000040), 0xd0000, 0x0) ioctl$TIOCSERGETLSR(r0, 0x5459, &(0x7f0000000000)) (async) r1 = syz_open_dev$ttys(0xc, 0x2, 0x1) r2 = syz_open_pts(r1, 0x1) ioctl$KDGKBSENT(r2, 0x4b48, &(0x7f0000000100)={0x6, "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"}) (async) ioctl$TCSETSW(r1, 0x5403, &(0x7f0000000540)={0x0, 0x0, 0xffffffff, 0x9, 0x0, "baf26a10e07ba77f1de09b779f3357c9c5a583"}) (async) ioctl$TCSETSW(r1, 0x5403, &(0x7f00000000c0)={0x2, 0x8, 0x5, 0xfff, 0x1, "ba0226266647ac2e0d2b9c05a2f3db0d7ae3ed"}) (async, rerun: 32) r3 = openat$ptmx(0xffffffffffffff9c, &(0x7f0000000080), 0x101000, 0x0) (rerun: 32) syz_open_pts(r3, 0x30080) (async) r4 = syz_genetlink_get_family_id$nbd(&(0x7f0000000380), 0xffffffffffffffff) (async) ioctl$AUTOFS_DEV_IOCTL_PROTOVER(0xffffffffffffffff, 0xc0189372, &(0x7f00000003c0)={{0x1, 0x1, 0x18, r0, {0x5}}, './file0\x00'}) ioctl$AUTOFS_DEV_IOCTL_REQUESTER(0xffffffffffffffff, 0xc018937b, &(0x7f0000000400)={{0x1, 0x1, 0x18, 0xffffffffffffffff, {0x0, 0xee01}}, './file0\x00'}) (async) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000440)={0xffffffffffffffff}) (async) r8 = syz_open_dev$vcsn(&(0x7f0000000140), 0x1, 0x0) ioctl$MEDIA_IOC_REQUEST_ALLOC(r8, 0x80047c05, &(0x7f0000000180)) sendmsg$NBD_CMD_DISCONNECT(0xffffffffffffffff, &(0x7f0000000580)={&(0x7f0000000340)={0x10, 0x0, 0x0, 0x100}, 0xc, &(0x7f0000000500)={&(0x7f0000000480)={0x6c, r4, 0x100, 0x70bd2b, 0x25dfdbff, {}, [@NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x1ff}, @NBD_ATTR_SOCKETS={0x4c, 0x7, 0x0, 0x1, [{0x8}, {0x8, 0x1, r5}, {0x8, 0x1, r6}, {0x8, 0x1, r7}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8, 0x1, r8}]}]}, 0x6c}, 0x1, 0x0, 0x0, 0x4004}, 0x60) (async) ioctl$TIOCGPTPEER(r0, 0x5441, 0xdbb8) [ 1302.954845] block nbd3: not configured, cannot reconfigure [ 1302.971948] nbd: must specify an index to disconnect 08:02:20 executing program 5: r0 = syz_open_dev$ndb(&(0x7f00000002c0), 0x0, 0x20202) ioctl$NBD_SET_SOCK(r0, 0x5421, 0xffffffffffffffff) r1 = openat$tun(0xffffffffffffff9c, &(0x7f0000000140), 0x20240, 0x0) ioctl$TUNSETTXFILTER(r1, 0x400454d1, &(0x7f0000000180)={0x0, 0x8, [@empty, @empty, @local, @dev={'\xaa\xaa\xaa\xaa\xaa', 0x80}, @dev={'\xaa\xaa\xaa\xaa\xaa', 0x31}, @link_local={0x1, 0x80, 0xc2, 0x0, 0x0, 0xe}, @random="289b9ff18bf0", @empty]}) semctl$GETNCNT(0x0, 0x4, 0xe, &(0x7f0000000000)=""/214) ioctl$NBD_CLEAR_SOCK(0xffffffffffffffff, 0xab04) ioctl$VHOST_VDPA_SET_CONFIG_CALL(0xffffffffffffffff, 0x4004af77, &(0x7f0000000100)=0x4) r2 = semget$private(0x0, 0x2, 0x0) semctl$GETNCNT(r2, 0x2, 0xe, 0x0) semctl$SETALL(r2, 0x0, 0x11, &(0x7f00000001c0)=[0x8]) 08:02:20 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_open_dev$ndb(&(0x7f00000002c0), 0x0, 0x0) ioctl$NBD_SET_SOCK(r1, 0x5452, 0xffffffffffffffff) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r4 = syz_genetlink_get_family_id$nbd(&(0x7f0000000200), r3) sendmsg$NBD_CMD_DISCONNECT(r2, &(0x7f00000004c0)={&(0x7f00000003c0), 0xc, &(0x7f0000000480)={&(0x7f0000000400)={0x28, r4, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_BLOCK_SIZE_BYTES={0xc}, @NBD_ATTR_BACKEND_IDENTIFIER={0x5, 0xa, '^'}]}, 0x28}}, 0x0) sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f0000000100)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x100}, 0xc, &(0x7f00000000c0)={&(0x7f0000000040)={0x80, r4, 0x400, 0x70bd27, 0x25dfdbff, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0xc}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x120}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_BACKEND_IDENTIFIER={0x6, 0xa, '\x99&'}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x1}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x9}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x2}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x80}, 0x1, 0x0, 0x0, 0x48070}, 0x40440c0) r5 = syz_open_dev$vcsn(&(0x7f0000000140), 0x1, 0x0) ioctl$MEDIA_IOC_REQUEST_ALLOC(r5, 0x80047c05, &(0x7f0000000180)) ioctl$NBD_CLEAR_SOCK(r5, 0xab04) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) syz_open_dev$ndb(&(0x7f00000002c0), 0x0, 0x0) (async) ioctl$NBD_SET_SOCK(r1, 0x5452, 0xffffffffffffffff) (async) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) syz_genetlink_get_family_id$nbd(&(0x7f0000000200), r3) (async) sendmsg$NBD_CMD_DISCONNECT(r2, &(0x7f00000004c0)={&(0x7f00000003c0), 0xc, &(0x7f0000000480)={&(0x7f0000000400)={0x28, r4, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_BLOCK_SIZE_BYTES={0xc}, @NBD_ATTR_BACKEND_IDENTIFIER={0x5, 0xa, '^'}]}, 0x28}}, 0x0) (async) sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f0000000100)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x100}, 0xc, &(0x7f00000000c0)={&(0x7f0000000040)={0x80, r4, 0x400, 0x70bd27, 0x25dfdbff, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0xc}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x120}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_BACKEND_IDENTIFIER={0x6, 0xa, '\x99&'}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x1}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x9}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x2}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x80}, 0x1, 0x0, 0x0, 0x48070}, 0x40440c0) (async) syz_open_dev$vcsn(&(0x7f0000000140), 0x1, 0x0) (async) ioctl$MEDIA_IOC_REQUEST_ALLOC(r5, 0x80047c05, &(0x7f0000000180)) (async) ioctl$NBD_CLEAR_SOCK(r5, 0xab04) (async) 08:02:20 executing program 4: syz_open_dev$ndb(&(0x7f00000002c0), 0x0, 0x0) r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000200), r1) sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f0000000200)={0x0, 0x0, &(0x7f00000001c0)={&(0x7f0000000140)={0x1c, r2, 0x1, 0x3000000, 0x0, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x1c}}, 0x0) [ 1303.061314] block nbd4: not configured, cannot reconfigure [ 1303.089014] block nbd1: not configured, cannot reconfigure 08:02:20 executing program 1: syz_open_dev$ndb(&(0x7f00000002c0), 0x0, 0x0) r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000200), r1) sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f0000000200)={0x0, 0x0, &(0x7f00000001c0)={&(0x7f0000000140)={0x1c, r2, 0x1, 0x0, 0x68000000, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x1c}}, 0x0) 08:02:20 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000200), r1) sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f0000000200)={0x0, 0x0, &(0x7f00000001c0)={&(0x7f0000000140)={0x1c, r2, 0x1, 0x0, 0xd4d137d2, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x1c}}, 0x0) 08:02:20 executing program 5: r0 = syz_open_dev$ndb(&(0x7f00000002c0), 0x0, 0x20202) ioctl$NBD_SET_SOCK(r0, 0x5421, 0xffffffffffffffff) (async) r1 = openat$tun(0xffffffffffffff9c, &(0x7f0000000140), 0x20240, 0x0) ioctl$TUNSETTXFILTER(r1, 0x400454d1, &(0x7f0000000180)={0x0, 0x8, [@empty, @empty, @local, @dev={'\xaa\xaa\xaa\xaa\xaa', 0x80}, @dev={'\xaa\xaa\xaa\xaa\xaa', 0x31}, @link_local={0x1, 0x80, 0xc2, 0x0, 0x0, 0xe}, @random="289b9ff18bf0", @empty]}) semctl$GETNCNT(0x0, 0x4, 0xe, &(0x7f0000000000)=""/214) (async) ioctl$NBD_CLEAR_SOCK(0xffffffffffffffff, 0xab04) ioctl$VHOST_VDPA_SET_CONFIG_CALL(0xffffffffffffffff, 0x4004af77, &(0x7f0000000100)=0x4) (async) r2 = semget$private(0x0, 0x2, 0x0) semctl$GETNCNT(r2, 0x2, 0xe, 0x0) semctl$SETALL(r2, 0x0, 0x11, &(0x7f00000001c0)=[0x8]) [ 1303.115185] block nbd3: not configured, cannot reconfigure [ 1303.127201] nbd: must specify an index to disconnect 08:02:20 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_open_dev$ndb(&(0x7f00000002c0), 0x0, 0x0) ioctl$NBD_SET_SOCK(r1, 0x5452, 0xffffffffffffffff) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r4 = syz_genetlink_get_family_id$nbd(&(0x7f0000000200), r3) sendmsg$NBD_CMD_DISCONNECT(r2, &(0x7f00000004c0)={&(0x7f00000003c0), 0xc, &(0x7f0000000480)={&(0x7f0000000400)={0x28, r4, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_BLOCK_SIZE_BYTES={0xc}, @NBD_ATTR_BACKEND_IDENTIFIER={0x5, 0xa, '^'}]}, 0x28}}, 0x0) sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f0000000100)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x100}, 0xc, &(0x7f00000000c0)={&(0x7f0000000040)={0x80, r4, 0x400, 0x70bd27, 0x25dfdbff, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0xc}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x120}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_BACKEND_IDENTIFIER={0x6, 0xa, '\x99&'}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x1}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x9}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x2}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x80}, 0x1, 0x0, 0x0, 0x48070}, 0x40440c0) syz_open_dev$vcsn(&(0x7f0000000140), 0x1, 0x0) (async) r5 = syz_open_dev$vcsn(&(0x7f0000000140), 0x1, 0x0) ioctl$MEDIA_IOC_REQUEST_ALLOC(r5, 0x80047c05, &(0x7f0000000180)) (async) ioctl$MEDIA_IOC_REQUEST_ALLOC(r5, 0x80047c05, &(0x7f0000000180)) ioctl$NBD_CLEAR_SOCK(r5, 0xab04) 08:02:20 executing program 4: syz_open_dev$ndb(&(0x7f00000002c0), 0x0, 0x0) r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000200), r1) sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f0000000200)={0x0, 0x0, &(0x7f00000001c0)={&(0x7f0000000140)={0x1c, r2, 0x1, 0x4000000, 0x0, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x1c}}, 0x0) [ 1303.171324] block nbd4: not configured, cannot reconfigure 08:02:20 executing program 5: r0 = syz_open_dev$ndb(&(0x7f00000002c0), 0x0, 0x20202) ioctl$NBD_SET_SOCK(r0, 0x5421, 0xffffffffffffffff) r1 = openat$tun(0xffffffffffffff9c, &(0x7f0000000140), 0x20240, 0x0) ioctl$TUNSETTXFILTER(r1, 0x400454d1, &(0x7f0000000180)={0x0, 0x8, [@empty, @empty, @local, @dev={'\xaa\xaa\xaa\xaa\xaa', 0x80}, @dev={'\xaa\xaa\xaa\xaa\xaa', 0x31}, @link_local={0x1, 0x80, 0xc2, 0x0, 0x0, 0xe}, @random="289b9ff18bf0", @empty]}) semctl$GETNCNT(0x0, 0x4, 0xe, &(0x7f0000000000)=""/214) ioctl$NBD_CLEAR_SOCK(0xffffffffffffffff, 0xab04) ioctl$VHOST_VDPA_SET_CONFIG_CALL(0xffffffffffffffff, 0x4004af77, &(0x7f0000000100)=0x4) r2 = semget$private(0x0, 0x2, 0x0) semctl$GETNCNT(r2, 0x2, 0xe, 0x0) semctl$SETALL(r2, 0x0, 0x11, &(0x7f00000001c0)=[0x8]) syz_open_dev$ndb(&(0x7f00000002c0), 0x0, 0x20202) (async) ioctl$NBD_SET_SOCK(r0, 0x5421, 0xffffffffffffffff) (async) openat$tun(0xffffffffffffff9c, &(0x7f0000000140), 0x20240, 0x0) (async) ioctl$TUNSETTXFILTER(r1, 0x400454d1, &(0x7f0000000180)={0x0, 0x8, [@empty, @empty, @local, @dev={'\xaa\xaa\xaa\xaa\xaa', 0x80}, @dev={'\xaa\xaa\xaa\xaa\xaa', 0x31}, @link_local={0x1, 0x80, 0xc2, 0x0, 0x0, 0xe}, @random="289b9ff18bf0", @empty]}) (async) semctl$GETNCNT(0x0, 0x4, 0xe, &(0x7f0000000000)=""/214) (async) ioctl$NBD_CLEAR_SOCK(0xffffffffffffffff, 0xab04) (async) ioctl$VHOST_VDPA_SET_CONFIG_CALL(0xffffffffffffffff, 0x4004af77, &(0x7f0000000100)=0x4) (async) semget$private(0x0, 0x2, 0x0) (async) semctl$GETNCNT(r2, 0x2, 0xe, 0x0) (async) semctl$SETALL(r2, 0x0, 0x11, &(0x7f00000001c0)=[0x8]) (async) 08:02:20 executing program 1: syz_open_dev$ndb(&(0x7f00000002c0), 0x0, 0x0) r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000200), r1) sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f0000000200)={0x0, 0x0, &(0x7f00000001c0)={&(0x7f0000000140)={0x1c, r2, 0x1, 0x0, 0x6c000000, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x1c}}, 0x0) [ 1303.246907] block nbd1: not configured, cannot reconfigure [ 1303.274979] block nbd3: not configured, cannot reconfigure 08:02:20 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000200), r1) sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f0000000200)={0x0, 0x0, &(0x7f00000001c0)={&(0x7f0000000140)={0x1c, r2, 0x1, 0x0, 0xf0ffffff, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x1c}}, 0x0) [ 1303.304992] nbd: must specify an index to disconnect 08:02:20 executing program 2: r0 = openat$ptmx(0xffffffffffffff9c, &(0x7f0000000040), 0xd0000, 0x0) ioctl$TIOCSERGETLSR(r0, 0x5459, &(0x7f0000000000)) r1 = syz_open_dev$ttys(0xc, 0x2, 0x1) r2 = syz_open_pts(r1, 0x1) ioctl$KDGKBSENT(r2, 0x4b48, &(0x7f0000000100)={0x6, "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"}) (async) ioctl$KDGKBSENT(r2, 0x4b48, &(0x7f0000000100)={0x6, "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"}) ioctl$TCSETSW(r1, 0x5403, &(0x7f0000000540)={0x0, 0x0, 0xffffffff, 0x9, 0x0, "baf26a10e07ba77f1de09b779f3357c9c5a583"}) ioctl$TCSETSW(r1, 0x5403, &(0x7f00000000c0)={0x2, 0x8, 0x5, 0xfff, 0x1, "ba0226266647ac2e0d2b9c05a2f3db0d7ae3ed"}) r3 = openat$ptmx(0xffffffffffffff9c, &(0x7f0000000080), 0x101000, 0x0) syz_open_pts(r3, 0x30080) syz_genetlink_get_family_id$nbd(&(0x7f0000000380), 0xffffffffffffffff) (async) r4 = syz_genetlink_get_family_id$nbd(&(0x7f0000000380), 0xffffffffffffffff) ioctl$AUTOFS_DEV_IOCTL_PROTOVER(0xffffffffffffffff, 0xc0189372, &(0x7f00000003c0)={{0x1, 0x1, 0x18, r0, {0x5}}, './file0\x00'}) ioctl$AUTOFS_DEV_IOCTL_REQUESTER(0xffffffffffffffff, 0xc018937b, &(0x7f0000000400)={{0x1, 0x1, 0x18, 0xffffffffffffffff, {0x0, 0xee01}}, './file0\x00'}) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000440)) (async) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000440)={0xffffffffffffffff}) syz_open_dev$vcsn(&(0x7f0000000140), 0x1, 0x0) (async) r8 = syz_open_dev$vcsn(&(0x7f0000000140), 0x1, 0x0) ioctl$MEDIA_IOC_REQUEST_ALLOC(r8, 0x80047c05, &(0x7f0000000180)) sendmsg$NBD_CMD_DISCONNECT(0xffffffffffffffff, &(0x7f0000000580)={&(0x7f0000000340)={0x10, 0x0, 0x0, 0x100}, 0xc, &(0x7f0000000500)={&(0x7f0000000480)={0x6c, r4, 0x100, 0x70bd2b, 0x25dfdbff, {}, [@NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x1ff}, @NBD_ATTR_SOCKETS={0x4c, 0x7, 0x0, 0x1, [{0x8}, {0x8, 0x1, r5}, {0x8, 0x1, r6}, {0x8, 0x1, r7}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8, 0x1, r8}]}]}, 0x6c}, 0x1, 0x0, 0x0, 0x4004}, 0x60) ioctl$TIOCGPTPEER(r0, 0x5441, 0xdbb8) (async) ioctl$TIOCGPTPEER(r0, 0x5441, 0xdbb8) 08:02:20 executing program 4: syz_open_dev$ndb(&(0x7f00000002c0), 0x0, 0x0) r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000200), r1) sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f0000000200)={0x0, 0x0, &(0x7f00000001c0)={&(0x7f0000000140)={0x1c, r2, 0x1, 0x5000000, 0x0, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x1c}}, 0x0) 08:02:20 executing program 0: r0 = syz_open_dev$ndb(&(0x7f00000002c0), 0x0, 0x182) ioctl$NBD_SET_SOCK(r0, 0x5452, 0xffffffffffffffff) [ 1303.333128] block nbd4: not configured, cannot reconfigure 08:02:20 executing program 5: r0 = ioctl$TIOCGPTPEER(0xffffffffffffffff, 0x5441, 0x6) ioctl$TIOCSPGRP(r0, 0x5410, &(0x7f0000000000)) r1 = syz_open_dev$ndb(&(0x7f00000002c0), 0x0, 0x5a1c2) ioctl$NBD_SET_SOCK(r1, 0x5421, 0xffffffffffffffff) ioctl$AUTOFS_DEV_IOCTL_REQUESTER(0xffffffffffffffff, 0xc018937b, &(0x7f0000000040)={{0x1, 0x1, 0x18, r0, {0xee00, 0xffffffffffffffff}}, './file0\x00'}) ioctl$TUNGETVNETHDRSZ(r2, 0x800454d7, &(0x7f0000000080)) 08:02:21 executing program 1: syz_open_dev$ndb(&(0x7f00000002c0), 0x0, 0x0) r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000200), r1) sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f0000000200)={0x0, 0x0, &(0x7f00000001c0)={&(0x7f0000000140)={0x1c, r2, 0x1, 0x0, 0x74000000, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x1c}}, 0x0) 08:02:21 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000200), r1) sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f0000000200)={0x0, 0x0, &(0x7f00000001c0)={&(0x7f0000000140)={0x1c, r2, 0x1, 0x0, 0xfffff000, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x1c}}, 0x0) [ 1303.404143] block nbd1: not configured, cannot reconfigure [ 1303.433423] block nbd3: not configured, cannot reconfigure 08:02:21 executing program 0: r0 = syz_open_dev$ndb(&(0x7f00000002c0), 0x0, 0x182) ioctl$NBD_SET_SOCK(r0, 0x5452, 0xffffffffffffffff) 08:02:21 executing program 4: syz_open_dev$ndb(&(0x7f00000002c0), 0x0, 0x0) r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000200), r1) sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f0000000200)={0x0, 0x0, &(0x7f00000001c0)={&(0x7f0000000140)={0x1c, r2, 0x1, 0x6000000, 0x0, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x1c}}, 0x0) [ 1303.485631] block nbd4: not configured, cannot reconfigure 08:02:21 executing program 2: r0 = openat$ptmx(0xffffffffffffff9c, &(0x7f0000000040), 0x0, 0x0) ioctl$TCSETAF(r0, 0x5408, &(0x7f0000000000)={0x3f, 0x3ff, 0x4, 0xb, 0x12, "20c22315c2897053"}) ioctl$TIOCGPTPEER(r0, 0x5441, 0xdbb8) 08:02:21 executing program 5: r0 = ioctl$TIOCGPTPEER(0xffffffffffffffff, 0x5441, 0x6) ioctl$TIOCSPGRP(r0, 0x5410, &(0x7f0000000000)) (async) r1 = syz_open_dev$ndb(&(0x7f00000002c0), 0x0, 0x5a1c2) ioctl$NBD_SET_SOCK(r1, 0x5421, 0xffffffffffffffff) (async) ioctl$AUTOFS_DEV_IOCTL_REQUESTER(0xffffffffffffffff, 0xc018937b, &(0x7f0000000040)={{0x1, 0x1, 0x18, r0, {0xee00, 0xffffffffffffffff}}, './file0\x00'}) ioctl$TUNGETVNETHDRSZ(r2, 0x800454d7, &(0x7f0000000080)) 08:02:21 executing program 1: syz_open_dev$ndb(&(0x7f00000002c0), 0x0, 0x0) r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000200), r1) sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f0000000200)={0x0, 0x0, &(0x7f00000001c0)={&(0x7f0000000140)={0x1c, r2, 0x1, 0x0, 0x7a000000, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x1c}}, 0x0) 08:02:21 executing program 0: r0 = syz_open_dev$ndb(&(0x7f00000002c0), 0x0, 0x182) ioctl$NBD_SET_SOCK(r0, 0x5452, 0xffffffffffffffff) [ 1303.544789] block nbd1: not configured, cannot reconfigure [ 1303.575160] block nbd3: not configured, cannot reconfigure 08:02:21 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000200), r1) sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f0000000200)={0x0, 0x0, &(0x7f00000001c0)={&(0x7f0000000140)={0x1c, r2, 0x1, 0x0, 0xffffff7f, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x1c}}, 0x0) 08:02:21 executing program 2: r0 = openat$ptmx(0xffffffffffffff9c, &(0x7f0000000040), 0x0, 0x0) ioctl$TCSETAF(r0, 0x5408, &(0x7f0000000000)={0x3f, 0x3ff, 0x4, 0xb, 0x12, "20c22315c2897053"}) (async) ioctl$TIOCGPTPEER(r0, 0x5441, 0xdbb8) 08:02:21 executing program 5: r0 = ioctl$TIOCGPTPEER(0xffffffffffffffff, 0x5441, 0x6) ioctl$TIOCSPGRP(r0, 0x5410, &(0x7f0000000000)) r1 = syz_open_dev$ndb(&(0x7f00000002c0), 0x0, 0x5a1c2) ioctl$NBD_SET_SOCK(r1, 0x5421, 0xffffffffffffffff) ioctl$AUTOFS_DEV_IOCTL_REQUESTER(0xffffffffffffffff, 0xc018937b, &(0x7f0000000040)={{0x1, 0x1, 0x18, r0, {0xee00, 0xffffffffffffffff}}, './file0\x00'}) ioctl$TUNGETVNETHDRSZ(r2, 0x800454d7, &(0x7f0000000080)) ioctl$TIOCGPTPEER(0xffffffffffffffff, 0x5441, 0x6) (async) ioctl$TIOCSPGRP(r0, 0x5410, &(0x7f0000000000)) (async) syz_open_dev$ndb(&(0x7f00000002c0), 0x0, 0x5a1c2) (async) ioctl$NBD_SET_SOCK(r1, 0x5421, 0xffffffffffffffff) (async) ioctl$AUTOFS_DEV_IOCTL_REQUESTER(0xffffffffffffffff, 0xc018937b, &(0x7f0000000040)={{0x1, 0x1, 0x18, r0, {0xee00, 0xffffffffffffffff}}, './file0\x00'}) (async) ioctl$TUNGETVNETHDRSZ(r2, 0x800454d7, &(0x7f0000000080)) (async) [ 1303.639221] block nbd4: not configured, cannot reconfigure 08:02:21 executing program 4: syz_open_dev$ndb(&(0x7f00000002c0), 0x0, 0x0) r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000200), r1) sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f0000000200)={0x0, 0x0, &(0x7f00000001c0)={&(0x7f0000000140)={0x1c, r2, 0x1, 0x7000000, 0x0, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x1c}}, 0x0) 08:02:21 executing program 0: ioctl$TIOCMBIC(0xffffffffffffffff, 0x5417, &(0x7f0000000000)=0x6) r0 = syz_open_dev$ndb(&(0x7f00000002c0), 0x0, 0x0) ioctl$NBD_SET_SOCK(r0, 0x5452, 0xffffffffffffffff) 08:02:21 executing program 1: syz_open_dev$ndb(&(0x7f00000002c0), 0x0, 0x0) r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000200), r1) sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f0000000200)={0x0, 0x0, &(0x7f00000001c0)={&(0x7f0000000140)={0x1c, r2, 0x1, 0x0, 0x9effffff, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x1c}}, 0x0) 08:02:21 executing program 0: ioctl$TIOCMBIC(0xffffffffffffffff, 0x5417, &(0x7f0000000000)=0x6) r0 = syz_open_dev$ndb(&(0x7f00000002c0), 0x0, 0x0) ioctl$NBD_SET_SOCK(r0, 0x5452, 0xffffffffffffffff) 08:02:21 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000200), r1) sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f0000000200)={0x0, 0x0, &(0x7f00000001c0)={&(0x7f0000000140)={0x1c, r2, 0x1, 0x0, 0xffffff9e, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x1c}}, 0x0) [ 1303.714417] block nbd1: not configured, cannot reconfigure [ 1303.746358] block nbd3: not configured, cannot reconfigure 08:02:21 executing program 2: r0 = openat$ptmx(0xffffffffffffff9c, &(0x7f0000000040), 0x0, 0x0) ioctl$TCSETAF(r0, 0x5408, &(0x7f0000000000)={0x3f, 0x3ff, 0x4, 0xb, 0x12, "20c22315c2897053"}) (async) ioctl$TIOCGPTPEER(r0, 0x5441, 0xdbb8) 08:02:21 executing program 0: ioctl$TIOCMBIC(0xffffffffffffffff, 0x5417, &(0x7f0000000000)=0x6) r0 = syz_open_dev$ndb(&(0x7f00000002c0), 0x0, 0x0) ioctl$NBD_SET_SOCK(r0, 0x5452, 0xffffffffffffffff) 08:02:21 executing program 1: syz_open_dev$ndb(&(0x7f00000002c0), 0x0, 0x0) r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000200), r1) sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f0000000200)={0x0, 0x0, &(0x7f00000001c0)={&(0x7f0000000140)={0x1c, r2, 0x1, 0x0, 0xc20b7765, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x1c}}, 0x0) 08:02:21 executing program 2: r0 = openat$ptmx(0xffffffffffffff9c, &(0x7f0000000040), 0x0, 0x0) ioctl$TIOCGPTPEER(r0, 0x5441, 0xdbb8) r1 = syz_open_dev$ttys(0xc, 0x2, 0x1) r2 = syz_open_dev$vcsn(&(0x7f0000000140), 0x1, 0x0) ioctl$MEDIA_IOC_REQUEST_ALLOC(r2, 0x80047c05, &(0x7f0000000180)) write$khugepaged_scan(r2, &(0x7f00000001c0), 0x8) ioctl$TCSETSW(r1, 0x5403, &(0x7f0000000540)={0x0, 0x0, 0xffffffff, 0x9, 0x0, "baf26a10e07ba77f1de09b779f3357c9c5a583"}) r3 = syz_open_dev$ttys(0xc, 0x2, 0x1) ioctl$TCSETSW(r3, 0x5403, &(0x7f0000000540)={0x0, 0x0, 0xffffffff, 0x9, 0x0, "baf26a10e07ba77f1de09b779f3357c9c5a583"}) ioctl$TIOCSERGETLSR(r1, 0x5459, &(0x7f0000000180)) ioctl$KDGETLED(r3, 0x4b31, &(0x7f0000000080)) r4 = openat$ptmx(0xffffffffffffff9c, &(0x7f00000000c0), 0x240000, 0x0) syz_genetlink_get_family_id$nl80211(&(0x7f0000000140), 0xffffffffffffffff) ioctl$FIONREAD(r4, 0x541b, &(0x7f0000000100)) ioctl$TCSETAF(r1, 0x5408, &(0x7f0000000000)={0x8, 0x8e8, 0x3, 0x7f, 0xf, "5e45c1e41a84e593"}) [ 1303.791147] block nbd1: not configured, cannot reconfigure [ 1303.820645] block nbd4: not configured, cannot reconfigure 08:02:21 executing program 5: r0 = syz_open_dev$ndb(&(0x7f00000002c0), 0x0, 0x95b36a42413703d7) ioctl$NBD_SET_SOCK(r0, 0x5421, 0xffffffffffffffff) 08:02:21 executing program 4: syz_open_dev$ndb(&(0x7f00000002c0), 0x0, 0x0) r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000200), r1) sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f0000000200)={0x0, 0x0, &(0x7f00000001c0)={&(0x7f0000000140)={0x1c, r2, 0x1, 0xf000000, 0x0, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x1c}}, 0x0) 08:02:21 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000200), r1) sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f0000000200)={0x0, 0x0, &(0x7f00000001c0)={&(0x7f0000000140)={0x1c, r2, 0x1, 0x0, 0xfffffff0, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x1c}}, 0x0) 08:02:21 executing program 1: syz_open_dev$ndb(&(0x7f00000002c0), 0x0, 0x0) r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000200), r1) sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f0000000200)={0x0, 0x0, &(0x7f00000001c0)={&(0x7f0000000140)={0x1c, r2, 0x1, 0x0, 0xf0ffffff, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x1c}}, 0x0) 08:02:21 executing program 2: r0 = openat$ptmx(0xffffffffffffff9c, &(0x7f0000000040), 0x0, 0x0) ioctl$TIOCGPTPEER(r0, 0x5441, 0xdbb8) (async) r1 = syz_open_dev$ttys(0xc, 0x2, 0x1) r2 = syz_open_dev$vcsn(&(0x7f0000000140), 0x1, 0x0) ioctl$MEDIA_IOC_REQUEST_ALLOC(r2, 0x80047c05, &(0x7f0000000180)) (async, rerun: 32) write$khugepaged_scan(r2, &(0x7f00000001c0), 0x8) (async, rerun: 32) ioctl$TCSETSW(r1, 0x5403, &(0x7f0000000540)={0x0, 0x0, 0xffffffff, 0x9, 0x0, "baf26a10e07ba77f1de09b779f3357c9c5a583"}) (async) r3 = syz_open_dev$ttys(0xc, 0x2, 0x1) ioctl$TCSETSW(r3, 0x5403, &(0x7f0000000540)={0x0, 0x0, 0xffffffff, 0x9, 0x0, "baf26a10e07ba77f1de09b779f3357c9c5a583"}) (async, rerun: 64) ioctl$TIOCSERGETLSR(r1, 0x5459, &(0x7f0000000180)) (rerun: 64) ioctl$KDGETLED(r3, 0x4b31, &(0x7f0000000080)) (async, rerun: 32) r4 = openat$ptmx(0xffffffffffffff9c, &(0x7f00000000c0), 0x240000, 0x0) (rerun: 32) syz_genetlink_get_family_id$nl80211(&(0x7f0000000140), 0xffffffffffffffff) (async) ioctl$FIONREAD(r4, 0x541b, &(0x7f0000000100)) ioctl$TCSETAF(r1, 0x5408, &(0x7f0000000000)={0x8, 0x8e8, 0x3, 0x7f, 0xf, "5e45c1e41a84e593"}) [ 1303.850542] block nbd3: not configured, cannot reconfigure [ 1303.866414] block nbd1: not configured, cannot reconfigure 08:02:21 executing program 5: r0 = syz_open_dev$ndb(&(0x7f00000002c0), 0x0, 0x95b36a42413703d7) ioctl$NBD_SET_SOCK(r0, 0x5421, 0xffffffffffffffff) 08:02:21 executing program 0: r0 = syz_open_dev$ndb(&(0x7f00000002c0), 0x0, 0x0) ioctl$NBD_SET_SOCK(r0, 0x5452, 0xffffffffffffffff) ioctl$AUTOFS_DEV_IOCTL_REQUESTER(0xffffffffffffffff, 0xc018937b, &(0x7f0000000000)={{0x1, 0x1, 0x18, r0, {0xee01, 0xffffffffffffffff}}, './file0\x00'}) ioctl$NBD_DISCONNECT(r1, 0xab08) 08:02:21 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000200), r1) sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f0000000200)={0x0, 0x0, &(0x7f00000001c0)={&(0x7f0000000140)={0x1c, r2, 0x1, 0x0, 0xffffffff, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x1c}}, 0x0) 08:02:21 executing program 0: r0 = syz_open_dev$ndb(&(0x7f00000002c0), 0x0, 0x0) ioctl$NBD_SET_SOCK(r0, 0x5452, 0xffffffffffffffff) (async) ioctl$AUTOFS_DEV_IOCTL_REQUESTER(0xffffffffffffffff, 0xc018937b, &(0x7f0000000000)={{0x1, 0x1, 0x18, r0, {0xee01, 0xffffffffffffffff}}, './file0\x00'}) ioctl$NBD_DISCONNECT(r1, 0xab08) 08:02:21 executing program 4: syz_open_dev$ndb(&(0x7f00000002c0), 0x0, 0x0) r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000200), r1) sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f0000000200)={0x0, 0x0, &(0x7f00000001c0)={&(0x7f0000000140)={0x1c, r2, 0x1, 0x20000000, 0x0, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x1c}}, 0x0) 08:02:21 executing program 1: syz_open_dev$ndb(&(0x7f00000002c0), 0x0, 0x0) r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000200), r1) sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f0000000200)={0x0, 0x0, &(0x7f00000001c0)={&(0x7f0000000140)={0x1c, r2, 0x1, 0x0, 0xfffff000, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x1c}}, 0x0) [ 1303.931197] block nbd3: not configured, cannot reconfigure [ 1303.953426] block nbd4: not configured, cannot reconfigure [ 1303.963150] block nbd1: not configured, cannot reconfigure 08:02:21 executing program 0: r0 = syz_open_dev$ndb(&(0x7f00000002c0), 0x0, 0x0) ioctl$NBD_SET_SOCK(r0, 0x5452, 0xffffffffffffffff) ioctl$AUTOFS_DEV_IOCTL_REQUESTER(0xffffffffffffffff, 0xc018937b, &(0x7f0000000000)={{0x1, 0x1, 0x18, r0, {0xee01, 0xffffffffffffffff}}, './file0\x00'}) ioctl$NBD_DISCONNECT(r1, 0xab08) 08:02:21 executing program 5: r0 = syz_open_dev$ndb(&(0x7f00000002c0), 0x0, 0x95b36a42413703d7) ioctl$NBD_SET_SOCK(r0, 0x5421, 0xffffffffffffffff) 08:02:21 executing program 2: r0 = openat$ptmx(0xffffffffffffff9c, &(0x7f0000000040), 0x0, 0x0) ioctl$TIOCGPTPEER(r0, 0x5441, 0xdbb8) r1 = syz_open_dev$ttys(0xc, 0x2, 0x1) r2 = syz_open_dev$vcsn(&(0x7f0000000140), 0x1, 0x0) ioctl$MEDIA_IOC_REQUEST_ALLOC(r2, 0x80047c05, &(0x7f0000000180)) write$khugepaged_scan(r2, &(0x7f00000001c0), 0x8) ioctl$TCSETSW(r1, 0x5403, &(0x7f0000000540)={0x0, 0x0, 0xffffffff, 0x9, 0x0, "baf26a10e07ba77f1de09b779f3357c9c5a583"}) r3 = syz_open_dev$ttys(0xc, 0x2, 0x1) ioctl$TCSETSW(r3, 0x5403, &(0x7f0000000540)={0x0, 0x0, 0xffffffff, 0x9, 0x0, "baf26a10e07ba77f1de09b779f3357c9c5a583"}) ioctl$TIOCSERGETLSR(r1, 0x5459, &(0x7f0000000180)) ioctl$KDGETLED(r3, 0x4b31, &(0x7f0000000080)) r4 = openat$ptmx(0xffffffffffffff9c, &(0x7f00000000c0), 0x240000, 0x0) syz_genetlink_get_family_id$nl80211(&(0x7f0000000140), 0xffffffffffffffff) ioctl$FIONREAD(r4, 0x541b, &(0x7f0000000100)) ioctl$TCSETAF(r1, 0x5408, &(0x7f0000000000)={0x8, 0x8e8, 0x3, 0x7f, 0xf, "5e45c1e41a84e593"}) openat$ptmx(0xffffffffffffff9c, &(0x7f0000000040), 0x0, 0x0) (async) ioctl$TIOCGPTPEER(r0, 0x5441, 0xdbb8) (async) syz_open_dev$ttys(0xc, 0x2, 0x1) (async) syz_open_dev$vcsn(&(0x7f0000000140), 0x1, 0x0) (async) ioctl$MEDIA_IOC_REQUEST_ALLOC(r2, 0x80047c05, &(0x7f0000000180)) (async) write$khugepaged_scan(r2, &(0x7f00000001c0), 0x8) (async) ioctl$TCSETSW(r1, 0x5403, &(0x7f0000000540)={0x0, 0x0, 0xffffffff, 0x9, 0x0, "baf26a10e07ba77f1de09b779f3357c9c5a583"}) (async) syz_open_dev$ttys(0xc, 0x2, 0x1) (async) ioctl$TCSETSW(r3, 0x5403, &(0x7f0000000540)={0x0, 0x0, 0xffffffff, 0x9, 0x0, "baf26a10e07ba77f1de09b779f3357c9c5a583"}) (async) ioctl$TIOCSERGETLSR(r1, 0x5459, &(0x7f0000000180)) (async) ioctl$KDGETLED(r3, 0x4b31, &(0x7f0000000080)) (async) openat$ptmx(0xffffffffffffff9c, &(0x7f00000000c0), 0x240000, 0x0) (async) syz_genetlink_get_family_id$nl80211(&(0x7f0000000140), 0xffffffffffffffff) (async) ioctl$FIONREAD(r4, 0x541b, &(0x7f0000000100)) (async) ioctl$TCSETAF(r1, 0x5408, &(0x7f0000000000)={0x8, 0x8e8, 0x3, 0x7f, 0xf, "5e45c1e41a84e593"}) (async) 08:02:21 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000200), r1) sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f0000000200)={0x0, 0x0, &(0x7f00000001c0)={&(0x7f0000000140)={0x1c, r2, 0x1, 0x0, 0x0, {0x2}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x1c}}, 0x0) 08:02:21 executing program 5: r0 = syz_open_dev$ndb(&(0x7f00000002c0), 0x0, 0x30e180) ioctl$KDSKBMETA(0xffffffffffffffff, 0x4b63, &(0x7f0000000000)=0x3) ioctl$NBD_CLEAR_QUE(r0, 0xab05) ioctl$NBD_SET_SOCK(r0, 0x5421, 0xffffffffffffffff) [ 1304.023299] block nbd3: not configured, cannot reconfigure [ 1304.052004] block nbd4: not configured, cannot reconfigure [ 1304.064552] block nbd1: not configured, cannot reconfigure 08:02:21 executing program 4: syz_open_dev$ndb(&(0x7f00000002c0), 0x0, 0x0) r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000200), r1) sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f0000000200)={0x0, 0x0, &(0x7f00000001c0)={&(0x7f0000000140)={0x1c, r2, 0x1, 0x48000000, 0x0, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x1c}}, 0x0) 08:02:21 executing program 0: r0 = syz_open_dev$ndb(&(0x7f00000002c0), 0x0, 0x0) ioctl$NBD_SET_SOCK(r0, 0x5452, 0xffffffffffffffff) r1 = syz_init_net_socket$nl_rdma(0x10, 0x3, 0x10) sendmsg$BATADV_CMD_TP_METER_CANCEL(r1, &(0x7f0000001900)={&(0x7f0000001800), 0xc, 0x0}, 0x0) sendmsg$RDMA_NLDEV_CMD_STAT_SET(r1, &(0x7f0000000100)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x200000}, 0xc, &(0x7f00000000c0)={&(0x7f0000000040)={0x60, 0x1410, 0x200, 0x70bd27, 0x25dfdbfc, "", [@RDMA_NLDEV_ATTR_STAT_COUNTER_ID={0x8, 0x4f, 0x5}, @RDMA_NLDEV_ATTR_STAT_AUTO_MODE_MASK={0x8}, @RDMA_NLDEV_ATTR_RES_LQPN={0x8, 0x15, 0x1ff}, @RDMA_NLDEV_ATTR_RES_LQPN={0x8, 0x15, 0x5}, @RDMA_NLDEV_ATTR_STAT_RES={0x8}, @RDMA_NLDEV_ATTR_STAT_COUNTER_ID={0x8, 0x4f, 0x5}, @RDMA_NLDEV_ATTR_STAT_RES={0x8}, @RDMA_NLDEV_ATTR_RES_LQPN={0x8, 0x15, 0x2}, @RDMA_NLDEV_ATTR_STAT_AUTO_MODE_MASK={0x8}, @RDMA_NLDEV_ATTR_RES_LQPN={0x8, 0x15, 0x1}]}, 0x60}, 0x1, 0x0, 0x0, 0x200440c0}, 0x24000005) 08:02:21 executing program 1: syz_open_dev$ndb(&(0x7f00000002c0), 0x0, 0x0) r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000200), r1) sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f0000000200)={0x0, 0x0, &(0x7f00000001c0)={&(0x7f0000000140)={0x1c, r2, 0x1, 0x0, 0xffffff7f, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x1c}}, 0x0) 08:02:21 executing program 2: r0 = openat$ptmx(0xffffffffffffff9c, &(0x7f0000000040), 0x0, 0x0) ioctl$TIOCGPTPEER(r0, 0x5441, 0xdbb8) ioctl$sock_SIOCETHTOOL(0xffffffffffffffff, 0x8946, &(0x7f0000000000)={'ipvlan1\x00', &(0x7f0000000080)=@ethtool_test={0x1a, 0x40, 0x9, 0x9, [0x4, 0x6, 0xff, 0x4, 0x4, 0x3f, 0x5, 0x8001, 0x3]}}) 08:02:21 executing program 5: r0 = syz_open_dev$ndb(&(0x7f00000002c0), 0x0, 0x30e180) ioctl$KDSKBMETA(0xffffffffffffffff, 0x4b63, &(0x7f0000000000)=0x3) (async) ioctl$KDSKBMETA(0xffffffffffffffff, 0x4b63, &(0x7f0000000000)=0x3) ioctl$NBD_CLEAR_QUE(r0, 0xab05) ioctl$NBD_SET_SOCK(r0, 0x5421, 0xffffffffffffffff) 08:02:21 executing program 0: r0 = syz_open_dev$ndb(&(0x7f00000002c0), 0x0, 0x0) ioctl$NBD_SET_SOCK(r0, 0x5452, 0xffffffffffffffff) (async) r1 = syz_init_net_socket$nl_rdma(0x10, 0x3, 0x10) sendmsg$BATADV_CMD_TP_METER_CANCEL(r1, &(0x7f0000001900)={&(0x7f0000001800), 0xc, 0x0}, 0x0) (async) sendmsg$RDMA_NLDEV_CMD_STAT_SET(r1, &(0x7f0000000100)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x200000}, 0xc, &(0x7f00000000c0)={&(0x7f0000000040)={0x60, 0x1410, 0x200, 0x70bd27, 0x25dfdbfc, "", [@RDMA_NLDEV_ATTR_STAT_COUNTER_ID={0x8, 0x4f, 0x5}, @RDMA_NLDEV_ATTR_STAT_AUTO_MODE_MASK={0x8}, @RDMA_NLDEV_ATTR_RES_LQPN={0x8, 0x15, 0x1ff}, @RDMA_NLDEV_ATTR_RES_LQPN={0x8, 0x15, 0x5}, @RDMA_NLDEV_ATTR_STAT_RES={0x8}, @RDMA_NLDEV_ATTR_STAT_COUNTER_ID={0x8, 0x4f, 0x5}, @RDMA_NLDEV_ATTR_STAT_RES={0x8}, @RDMA_NLDEV_ATTR_RES_LQPN={0x8, 0x15, 0x2}, @RDMA_NLDEV_ATTR_STAT_AUTO_MODE_MASK={0x8}, @RDMA_NLDEV_ATTR_RES_LQPN={0x8, 0x15, 0x1}]}, 0x60}, 0x1, 0x0, 0x0, 0x200440c0}, 0x24000005) 08:02:21 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000200), r1) sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f0000000200)={0x0, 0x0, &(0x7f00000001c0)={&(0x7f0000000140)={0x1c, r2, 0x1, 0x0, 0x0, {0x4}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x1c}}, 0x0) 08:02:21 executing program 4: syz_open_dev$ndb(&(0x7f00000002c0), 0x0, 0x0) r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000200), r1) sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f0000000200)={0x0, 0x0, &(0x7f00000001c0)={&(0x7f0000000140)={0x1c, r2, 0x1, 0x4c000000, 0x0, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x1c}}, 0x0) 08:02:21 executing program 1: syz_open_dev$ndb(&(0x7f00000002c0), 0x0, 0x0) r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000200), r1) sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f0000000200)={0x0, 0x0, &(0x7f00000001c0)={&(0x7f0000000140)={0x1c, r2, 0x1, 0x0, 0xffffff9e, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x1c}}, 0x0) 08:02:21 executing program 5: syz_open_dev$ndb(&(0x7f00000002c0), 0x0, 0x30e180) (async) r0 = syz_open_dev$ndb(&(0x7f00000002c0), 0x0, 0x30e180) ioctl$KDSKBMETA(0xffffffffffffffff, 0x4b63, &(0x7f0000000000)=0x3) ioctl$NBD_CLEAR_QUE(r0, 0xab05) ioctl$NBD_SET_SOCK(r0, 0x5421, 0xffffffffffffffff) 08:02:21 executing program 2: openat$ptmx(0xffffffffffffff9c, &(0x7f0000000040), 0x0, 0x0) (async) r0 = openat$ptmx(0xffffffffffffff9c, &(0x7f0000000040), 0x0, 0x0) ioctl$TIOCGPTPEER(r0, 0x5441, 0xdbb8) ioctl$sock_SIOCETHTOOL(0xffffffffffffffff, 0x8946, &(0x7f0000000000)={'ipvlan1\x00', &(0x7f0000000080)=@ethtool_test={0x1a, 0x40, 0x9, 0x9, [0x4, 0x6, 0xff, 0x4, 0x4, 0x3f, 0x5, 0x8001, 0x3]}}) [ 1304.162607] block nbd4: not configured, cannot reconfigure [ 1304.189941] block nbd1: not configured, cannot reconfigure 08:02:21 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000200), r1) sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f0000000200)={0x0, 0x0, &(0x7f00000001c0)={&(0x7f0000000140)={0x1c, r2, 0x1, 0x0, 0x0, {0x5}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x1c}}, 0x0) 08:02:21 executing program 0: r0 = syz_open_dev$ndb(&(0x7f00000002c0), 0x0, 0x0) ioctl$NBD_SET_SOCK(r0, 0x5452, 0xffffffffffffffff) (async) r1 = syz_init_net_socket$nl_rdma(0x10, 0x3, 0x10) sendmsg$BATADV_CMD_TP_METER_CANCEL(r1, &(0x7f0000001900)={&(0x7f0000001800), 0xc, 0x0}, 0x0) (async) sendmsg$RDMA_NLDEV_CMD_STAT_SET(r1, &(0x7f0000000100)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x200000}, 0xc, &(0x7f00000000c0)={&(0x7f0000000040)={0x60, 0x1410, 0x200, 0x70bd27, 0x25dfdbfc, "", [@RDMA_NLDEV_ATTR_STAT_COUNTER_ID={0x8, 0x4f, 0x5}, @RDMA_NLDEV_ATTR_STAT_AUTO_MODE_MASK={0x8}, @RDMA_NLDEV_ATTR_RES_LQPN={0x8, 0x15, 0x1ff}, @RDMA_NLDEV_ATTR_RES_LQPN={0x8, 0x15, 0x5}, @RDMA_NLDEV_ATTR_STAT_RES={0x8}, @RDMA_NLDEV_ATTR_STAT_COUNTER_ID={0x8, 0x4f, 0x5}, @RDMA_NLDEV_ATTR_STAT_RES={0x8}, @RDMA_NLDEV_ATTR_RES_LQPN={0x8, 0x15, 0x2}, @RDMA_NLDEV_ATTR_STAT_AUTO_MODE_MASK={0x8}, @RDMA_NLDEV_ATTR_RES_LQPN={0x8, 0x15, 0x1}]}, 0x60}, 0x1, 0x0, 0x0, 0x200440c0}, 0x24000005) 08:02:21 executing program 5: r0 = socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$batadv(&(0x7f0000000480), 0xffffffffffffffff) sendmsg$BATADV_CMD_TP_METER_CANCEL(r0, &(0x7f0000000580)={0x0, 0x0, &(0x7f0000000540)={&(0x7f00000004c0)={0x14, r1, 0x1}, 0x14}}, 0x0) sendmsg$BATADV_CMD_GET_ROUTING_ALGOS(0xffffffffffffffff, &(0x7f0000000100)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x400}, 0xc, &(0x7f00000000c0)={&(0x7f0000000080)={0x24, r1, 0x213, 0x70bd29, 0x25dfdbfe, {}, [@BATADV_ATTR_GW_MODE={0x5, 0x33, 0x2}, @BATADV_ATTR_GW_MODE={0x5, 0x33, 0x2}]}, 0x24}, 0x1, 0x0, 0x0, 0x40000}, 0x20014000) syz_open_pts(0xffffffffffffffff, 0x3218c1) r2 = syz_open_dev$ndb(&(0x7f00000002c0), 0x0, 0x0) ioctl$NBD_SET_SOCK(r2, 0x5421, 0xffffffffffffffff) ioctl$TCSETSF(0xffffffffffffffff, 0x5404, &(0x7f0000000000)={0x9, 0x5, 0xdde, 0x3f, 0x16, "a71ebe120e2ba7ee1c623eccc4b1140f3b9bff"}) 08:02:21 executing program 2: r0 = openat$ptmx(0xffffffffffffff9c, &(0x7f0000000040), 0x0, 0x0) ioctl$TIOCGPTPEER(r0, 0x5441, 0xdbb8) (async) ioctl$sock_SIOCETHTOOL(0xffffffffffffffff, 0x8946, &(0x7f0000000000)={'ipvlan1\x00', &(0x7f0000000080)=@ethtool_test={0x1a, 0x40, 0x9, 0x9, [0x4, 0x6, 0xff, 0x4, 0x4, 0x3f, 0x5, 0x8001, 0x3]}}) 08:02:21 executing program 4: syz_open_dev$ndb(&(0x7f00000002c0), 0x0, 0x0) r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000200), r1) sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f0000000200)={0x0, 0x0, &(0x7f00000001c0)={&(0x7f0000000140)={0x1c, r2, 0x1, 0x60000000, 0x0, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x1c}}, 0x0) 08:02:21 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000200), r1) sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f0000000200)={0x0, 0x0, &(0x7f00000001c0)={&(0x7f0000000140)={0x1c, r2, 0x1, 0x0, 0x0, {0x6}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x1c}}, 0x0) [ 1304.272599] block nbd4: not configured, cannot reconfigure [ 1304.304512] block nbd1: not configured, cannot reconfigure 08:02:21 executing program 0: syz_open_dev$ndb(&(0x7f00000002c0), 0x0, 0x0) r0 = syz_open_dev$vcsn(&(0x7f0000000140), 0x1, 0x0) ioctl$MEDIA_IOC_REQUEST_ALLOC(r0, 0x80047c05, &(0x7f0000000180)) r1 = syz_open_dev$vcsn(&(0x7f0000000140), 0x1, 0x0) r2 = syz_open_dev$ttys(0xc, 0x2, 0x1) ioctl$TCSETSW(r2, 0x5403, &(0x7f0000000540)={0x7, 0x0, 0x7ffd, 0x9, 0x0, "baf26a10e07ba77f1de09b779f3357c9c5a583"}) ioctl$GIO_UNISCRNMAP(r2, 0x4b69, &(0x7f0000000080)) ioctl$MEDIA_IOC_REQUEST_ALLOC(r1, 0x80047c05, &(0x7f0000000180)) ioctl$KDFONTOP_SET(r1, 0x4b72, &(0x7f0000000040)={0x0, 0x0, 0x6, 0x2, 0x71, &(0x7f0000000300)="a06b8d01b88bf25fb15820b2982af7f0ef276aeed7a326727d4bf66e729679cb935b28eca58d9390fcab10a95f121d4785afbcac4704a8dcec725b5be1ae9c3bcd4b4486b897731f5b2d879bf3a4e59a622551516d2c2ac59f3491f2dfcdeda660faae40ec72b3d738cdb523cea3615f29f738c0efe509a140b9ce93e9cb589234732e629da16103c199189782f20136feb4ff9caaa8af90ec8d8d25817dbdb8f8b3f1556a63fbb6c529f8bdd034f6a8140048e0ff032d21f10909f13e51ea9adf8f32dfc4997c445933cfc407bd695102de06b4ab6034daf75dfd313c505117cc29666c08a60e215d57de5897ec0ad1c69a53a3be4596d6a791c14da7c3f6669302d459be249e2dd598b9bb9bbf9dc876f6a8638c8a77bf8b43183d92b717ed3651c78d226e0377606dfe2014e76a5f4164b47b7af6036aad17eb5c9b36318b7ccfbe9798f9a8d45a96b580d3e22e20c04dcd1b80e84b4d247c8b50193a3cb878f5c8ab811f3c977c24cc6cae5d8bc6fb2140d44f9dbba0f249e1ba748b997432236d35eab575fb9b699d324c7460323ac387d8a8e389928d1a58ab5d4ea43f120d2c4b2fd222883a160b078746891a331eb9da57483bbb8ca3ab85b99187901a2eda9a557c8f0cc041ffdb21fd9fb6aec2fcb4805b280c3a56532869bce547f3333826aa31ba462caee88da93869f69d36b7bc4437a80b86959cf6a027caf3a2acf52633f71c053ab7eba60cc1b4caa1231443e8cd1bd6192bceb79d865f08d03dd0615b4d0237144392c38849835c139aaf93397f3f8c567d5a8d817803ad34abfa019f8a290038e104d7aca4ce4c38d73fc369a6f2093186055ee3d89cce8c4d4e86a67248fca6442e247a112b2cdfe2e4a04fa792bae272933f0228291f21240ee562e22db74b03f341cd92d21e23efd0b4399291616df7c47fe1e8af2d7d7e4a406f1c02e5c014b64c4f42e80764645f99775a97c2bdcc09ead574ede914e25fa64c0b1f738841c679281af1b18752efc9805e1ed0c58fd4e8a67a90d329dc249956e15feaa552edd61b6af2e4fbf3cfe3cf5ac2a7d3bad36a0a66f161aa8f8c221f40ee6d357e536c2a96cfdff4ea8df42a60190d0f44a929f8f65b945ad402d8dc6412740ae9f0d57506d862e6d6f17bc19027f9951174ce14da604f857a06b73948a19de435d6f27a8c49ca47884fb8473560d091f92eab9ba30a614e0d31fee808d3c7a1ea41a01d81a112c534b1db101e31d340bf82c1db92fe617da76f060e521ff328e193a7266d876a83d59f88db654ddbcf365f8e77fe1e4fede18769aee167ebf82377976110096f7b4b9aca28bb6a26614b65d0878cfa60fc2d0fe0b9b4f114e68a38b848603be90b54b7ae4408ab12bd6afc3b04c18f23d5f587d97ff659ba3963c2215d06adca97b0b4cd7cdf73ec05fefe4a24c0a905"}) r3 = syz_open_dev$vcsn(&(0x7f0000000140), 0x1, 0x0) ioctl$MEDIA_IOC_REQUEST_ALLOC(r3, 0x80047c05, &(0x7f0000000180)) r4 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x2000) ioctl$NBD_SET_SOCK(r4, 0x5452, r0) 08:02:21 executing program 1: syz_open_dev$ndb(&(0x7f00000002c0), 0x0, 0x0) r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000200), r1) sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f0000000200)={0x0, 0x0, &(0x7f00000001c0)={&(0x7f0000000140)={0x1c, r2, 0x1, 0x0, 0xfffffff0, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x1c}}, 0x0) 08:02:21 executing program 5: socket$nl_generic(0x10, 0x3, 0x10) (async) r0 = socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$batadv(&(0x7f0000000480), 0xffffffffffffffff) sendmsg$BATADV_CMD_TP_METER_CANCEL(r0, &(0x7f0000000580)={0x0, 0x0, &(0x7f0000000540)={&(0x7f00000004c0)={0x14, r1, 0x1}, 0x14}}, 0x0) sendmsg$BATADV_CMD_GET_ROUTING_ALGOS(0xffffffffffffffff, &(0x7f0000000100)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x400}, 0xc, &(0x7f00000000c0)={&(0x7f0000000080)={0x24, r1, 0x213, 0x70bd29, 0x25dfdbfe, {}, [@BATADV_ATTR_GW_MODE={0x5, 0x33, 0x2}, @BATADV_ATTR_GW_MODE={0x5, 0x33, 0x2}]}, 0x24}, 0x1, 0x0, 0x0, 0x40000}, 0x20014000) (async) sendmsg$BATADV_CMD_GET_ROUTING_ALGOS(0xffffffffffffffff, &(0x7f0000000100)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x400}, 0xc, &(0x7f00000000c0)={&(0x7f0000000080)={0x24, r1, 0x213, 0x70bd29, 0x25dfdbfe, {}, [@BATADV_ATTR_GW_MODE={0x5, 0x33, 0x2}, @BATADV_ATTR_GW_MODE={0x5, 0x33, 0x2}]}, 0x24}, 0x1, 0x0, 0x0, 0x40000}, 0x20014000) syz_open_pts(0xffffffffffffffff, 0x3218c1) r2 = syz_open_dev$ndb(&(0x7f00000002c0), 0x0, 0x0) ioctl$NBD_SET_SOCK(r2, 0x5421, 0xffffffffffffffff) ioctl$TCSETSF(0xffffffffffffffff, 0x5404, &(0x7f0000000000)={0x9, 0x5, 0xdde, 0x3f, 0x16, "a71ebe120e2ba7ee1c623eccc4b1140f3b9bff"}) 08:02:21 executing program 2: r0 = openat$ptmx(0xffffffffffffff9c, &(0x7f0000000040), 0x0, 0x0) ioctl$TIOCGPTPEER(r0, 0x5441, 0x0) 08:02:21 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000200), r1) sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f0000000200)={0x0, 0x0, &(0x7f00000001c0)={&(0x7f0000000140)={0x1c, r2, 0x1, 0x0, 0x0, {0x7}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x1c}}, 0x0) 08:02:21 executing program 4: syz_open_dev$ndb(&(0x7f00000002c0), 0x0, 0x0) r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000200), r1) sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f0000000200)={0x0, 0x0, &(0x7f00000001c0)={&(0x7f0000000140)={0x1c, r2, 0x1, 0x68000000, 0x0, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x1c}}, 0x0) 08:02:21 executing program 2: openat$ptmx(0xffffffffffffff9c, &(0x7f0000000040), 0x0, 0x0) (async) r0 = openat$ptmx(0xffffffffffffff9c, &(0x7f0000000040), 0x0, 0x0) ioctl$TIOCGPTPEER(r0, 0x5441, 0x0) [ 1304.370956] block nbd4: not configured, cannot reconfigure [ 1304.407963] block nbd1: not configured, cannot reconfigure 08:02:22 executing program 0: syz_open_dev$ndb(&(0x7f00000002c0), 0x0, 0x0) r0 = syz_open_dev$vcsn(&(0x7f0000000140), 0x1, 0x0) ioctl$MEDIA_IOC_REQUEST_ALLOC(r0, 0x80047c05, &(0x7f0000000180)) r1 = syz_open_dev$vcsn(&(0x7f0000000140), 0x1, 0x0) r2 = syz_open_dev$ttys(0xc, 0x2, 0x1) ioctl$TCSETSW(r2, 0x5403, &(0x7f0000000540)={0x7, 0x0, 0x7ffd, 0x9, 0x0, "baf26a10e07ba77f1de09b779f3357c9c5a583"}) ioctl$GIO_UNISCRNMAP(r2, 0x4b69, &(0x7f0000000080)) ioctl$MEDIA_IOC_REQUEST_ALLOC(r1, 0x80047c05, &(0x7f0000000180)) ioctl$KDFONTOP_SET(r1, 0x4b72, &(0x7f0000000040)={0x0, 0x0, 0x6, 0x2, 0x71, &(0x7f0000000300)="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"}) r3 = syz_open_dev$vcsn(&(0x7f0000000140), 0x1, 0x0) ioctl$MEDIA_IOC_REQUEST_ALLOC(r3, 0x80047c05, &(0x7f0000000180)) r4 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x2000) ioctl$NBD_SET_SOCK(r4, 0x5452, r0) syz_open_dev$ndb(&(0x7f00000002c0), 0x0, 0x0) (async) syz_open_dev$vcsn(&(0x7f0000000140), 0x1, 0x0) (async) ioctl$MEDIA_IOC_REQUEST_ALLOC(r0, 0x80047c05, &(0x7f0000000180)) (async) syz_open_dev$vcsn(&(0x7f0000000140), 0x1, 0x0) (async) syz_open_dev$ttys(0xc, 0x2, 0x1) (async) ioctl$TCSETSW(r2, 0x5403, &(0x7f0000000540)={0x7, 0x0, 0x7ffd, 0x9, 0x0, "baf26a10e07ba77f1de09b779f3357c9c5a583"}) (async) ioctl$GIO_UNISCRNMAP(r2, 0x4b69, &(0x7f0000000080)) (async) ioctl$MEDIA_IOC_REQUEST_ALLOC(r1, 0x80047c05, &(0x7f0000000180)) (async) ioctl$KDFONTOP_SET(r1, 0x4b72, &(0x7f0000000040)={0x0, 0x0, 0x6, 0x2, 0x71, &(0x7f0000000300)="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"}) (async) syz_open_dev$vcsn(&(0x7f0000000140), 0x1, 0x0) (async) ioctl$MEDIA_IOC_REQUEST_ALLOC(r3, 0x80047c05, &(0x7f0000000180)) (async) syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x2000) (async) ioctl$NBD_SET_SOCK(r4, 0x5452, r0) (async) 08:02:22 executing program 1: syz_open_dev$ndb(&(0x7f00000002c0), 0x0, 0x0) r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000200), r1) sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f0000000200)={0x0, 0x0, &(0x7f00000001c0)={&(0x7f0000000140)={0x1c, r2, 0x1, 0x0, 0xffffffff, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x1c}}, 0x0) 08:02:22 executing program 5: r0 = socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$batadv(&(0x7f0000000480), 0xffffffffffffffff) (async) r1 = syz_genetlink_get_family_id$batadv(&(0x7f0000000480), 0xffffffffffffffff) sendmsg$BATADV_CMD_TP_METER_CANCEL(r0, &(0x7f0000000580)={0x0, 0x0, &(0x7f0000000540)={&(0x7f00000004c0)={0x14, r1, 0x1}, 0x14}}, 0x0) sendmsg$BATADV_CMD_GET_ROUTING_ALGOS(0xffffffffffffffff, &(0x7f0000000100)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x400}, 0xc, &(0x7f00000000c0)={&(0x7f0000000080)={0x24, r1, 0x213, 0x70bd29, 0x25dfdbfe, {}, [@BATADV_ATTR_GW_MODE={0x5, 0x33, 0x2}, @BATADV_ATTR_GW_MODE={0x5, 0x33, 0x2}]}, 0x24}, 0x1, 0x0, 0x0, 0x40000}, 0x20014000) (async) sendmsg$BATADV_CMD_GET_ROUTING_ALGOS(0xffffffffffffffff, &(0x7f0000000100)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x400}, 0xc, &(0x7f00000000c0)={&(0x7f0000000080)={0x24, r1, 0x213, 0x70bd29, 0x25dfdbfe, {}, [@BATADV_ATTR_GW_MODE={0x5, 0x33, 0x2}, @BATADV_ATTR_GW_MODE={0x5, 0x33, 0x2}]}, 0x24}, 0x1, 0x0, 0x0, 0x40000}, 0x20014000) syz_open_pts(0xffffffffffffffff, 0x3218c1) r2 = syz_open_dev$ndb(&(0x7f00000002c0), 0x0, 0x0) ioctl$NBD_SET_SOCK(r2, 0x5421, 0xffffffffffffffff) ioctl$TCSETSF(0xffffffffffffffff, 0x5404, &(0x7f0000000000)={0x9, 0x5, 0xdde, 0x3f, 0x16, "a71ebe120e2ba7ee1c623eccc4b1140f3b9bff"}) 08:02:22 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000200), r1) sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f0000000200)={0x0, 0x0, &(0x7f00000001c0)={&(0x7f0000000140)={0x1c, r2, 0x1, 0x0, 0x0, {0x8}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x1c}}, 0x0) 08:02:22 executing program 4: syz_open_dev$ndb(&(0x7f00000002c0), 0x0, 0x0) r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000200), r1) sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f0000000200)={0x0, 0x0, &(0x7f00000001c0)={&(0x7f0000000140)={0x1c, r2, 0x1, 0x6c000000, 0x0, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x1c}}, 0x0) [ 1304.462306] block nbd4: not configured, cannot reconfigure 08:02:22 executing program 0: syz_open_dev$ndb(&(0x7f00000002c0), 0x0, 0x0) (async) r0 = syz_open_dev$vcsn(&(0x7f0000000140), 0x1, 0x0) ioctl$MEDIA_IOC_REQUEST_ALLOC(r0, 0x80047c05, &(0x7f0000000180)) (async, rerun: 64) r1 = syz_open_dev$vcsn(&(0x7f0000000140), 0x1, 0x0) (rerun: 64) r2 = syz_open_dev$ttys(0xc, 0x2, 0x1) ioctl$TCSETSW(r2, 0x5403, &(0x7f0000000540)={0x7, 0x0, 0x7ffd, 0x9, 0x0, "baf26a10e07ba77f1de09b779f3357c9c5a583"}) (async) ioctl$GIO_UNISCRNMAP(r2, 0x4b69, &(0x7f0000000080)) ioctl$MEDIA_IOC_REQUEST_ALLOC(r1, 0x80047c05, &(0x7f0000000180)) (async) ioctl$KDFONTOP_SET(r1, 0x4b72, &(0x7f0000000040)={0x0, 0x0, 0x6, 0x2, 0x71, &(0x7f0000000300)="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"}) (async) r3 = syz_open_dev$vcsn(&(0x7f0000000140), 0x1, 0x0) ioctl$MEDIA_IOC_REQUEST_ALLOC(r3, 0x80047c05, &(0x7f0000000180)) (async) r4 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x2000) ioctl$NBD_SET_SOCK(r4, 0x5452, r0) 08:02:22 executing program 2: r0 = openat$ptmx(0xffffffffffffff9c, &(0x7f0000000040), 0x0, 0x0) ioctl$TIOCGPTPEER(r0, 0x5441, 0x0) 08:02:22 executing program 1: syz_open_dev$ndb(&(0x7f00000002c0), 0x0, 0x0) r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000200), r1) sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f0000000200)={0x0, 0x0, &(0x7f00000001c0)={&(0x7f0000000140)={0x1c, r2, 0x1, 0x0, 0x0, {0x2}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x1c}}, 0x0) [ 1304.502971] block nbd1: not configured, cannot reconfigure 08:02:22 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000200), r1) sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f0000000200)={0x0, 0x0, &(0x7f00000001c0)={&(0x7f0000000140)={0x1c, r2, 0x1, 0x0, 0x0, {0x9}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x1c}}, 0x0) 08:02:22 executing program 5: r0 = syz_open_dev$ndb(&(0x7f00000002c0), 0x0, 0x0) ioctl$NBD_SET_SOCK(r0, 0x5421, 0xffffffffffffffff) sendmsg$RDMA_NLDEV_CMD_STAT_GET(0xffffffffffffffff, &(0x7f00000000c0)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x8000}, 0xc, &(0x7f0000000080)={&(0x7f0000000300)=ANY=[@ANYBLOB="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", @ANYRESHEX=r0], 0x38}, 0x1, 0x0, 0x0, 0x24000010}, 0x8000) [ 1304.556213] block nbd4: not configured, cannot reconfigure [ 1304.589091] block nbd1: NBD_DISCONNECT [ 1304.593610] kasan: CONFIG_KASAN_INLINE enabled [ 1304.598188] kasan: GPF could be caused by NULL-ptr deref or user memory access [ 1304.605550] general protection fault: 0000 [#1] PREEMPT SMP KASAN [ 1304.611781] CPU: 0 PID: 28280 Comm: syz-executor.1 Not tainted 4.19.211-syzkaller #0 [ 1304.619653] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/16/2023 [ 1304.629018] RIP: 0010:__lock_acquire+0x1eb/0x3ff0 [ 1304.633862] Code: 2b 29 00 00 48 81 c4 98 01 00 00 44 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 48 b8 00 00 00 00 00 fc ff df 4c 89 f2 48 c1 ea 03 <80> 3c 02 00 0f 85 b3 2a 00 00 49 81 3e 20 f2 66 8c 0f 84 65 ff ff [ 1304.652784] RSP: 0018:ffff88809f93f270 EFLAGS: 00010006 [ 1304.658143] RAX: dffffc0000000000 RBX: 0000000000000000 RCX: 0000000000000000 [ 1304.665409] RDX: 0000000000000022 RSI: 0000000000000000 RDI: 0000000000000001 [ 1304.672674] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000001 [ 1304.679948] R10: 0000000000000001 R11: 0000000000000000 R12: 0000000000000000 [ 1304.687216] R13: ffff88809cb505c0 R14: 0000000000000110 R15: 0000000000000001 [ 1304.694485] FS: 00007fac4fb6f700(0000) GS:ffff8880ba000000(0000) knlGS:0000000000000000 [ 1304.702707] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 1304.708616] CR2: 0000001b2e223000 CR3: 000000009e886000 CR4: 00000000003406f0 [ 1304.715919] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 1304.723189] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 1304.730449] Call Trace: [ 1304.733043] ? __lock_acquire+0x6de/0x3ff0 [ 1304.737281] ? mark_held_locks+0xf0/0xf0 [ 1304.741348] ? __lock_acquire+0x6de/0x3ff0 [ 1304.745586] ? mark_held_locks+0xf0/0xf0 [ 1304.749647] ? __free_object+0xdd/0x1e0 [ 1304.753622] ? mark_held_locks+0xf0/0xf0 [ 1304.757687] ? mark_held_locks+0xa6/0xf0 [ 1304.761754] lock_acquire+0x170/0x3c0 [ 1304.765556] ? flush_workqueue+0xe8/0x13e0 [ 1304.769845] flush_workqueue+0x117/0x13e0 [ 1304.773994] ? flush_workqueue+0xe8/0x13e0 [ 1304.778242] ? lock_downgrade+0x720/0x720 [ 1304.782388] ? hctx_unlock+0x83/0x140 [ 1304.786192] ? check_flush_dependency+0x400/0x400 [ 1304.791048] nbd_disconnect_and_put+0x100/0x190 [ 1304.795721] nbd_genl_disconnect+0x34f/0x4f0 [ 1304.800132] ? nbd_release+0x170/0x170 [ 1304.804025] ? nla_parse+0x1b2/0x290 [ 1304.807739] genl_family_rcv_msg+0x642/0xc40 [ 1304.812148] ? genl_rcv+0x40/0x40 [ 1304.815600] ? genl_rcv_msg+0x12f/0x160 [ 1304.819574] ? mutex_trylock+0x1a0/0x1a0 [ 1304.823636] ? __radix_tree_lookup+0x216/0x370 [ 1304.828221] genl_rcv_msg+0xbf/0x160 [ 1304.831938] netlink_rcv_skb+0x160/0x440 [ 1304.836000] ? genl_family_rcv_msg+0xc40/0xc40 [ 1304.840579] ? netlink_ack+0xae0/0xae0 [ 1304.844465] ? genl_rcv+0x15/0x40 [ 1304.847920] genl_rcv+0x24/0x40 [ 1304.851228] netlink_unicast+0x4d5/0x690 [ 1304.855284] ? netlink_sendskb+0x110/0x110 [ 1304.859514] ? _copy_from_iter_full+0x229/0x7c0 [ 1304.864177] ? __phys_addr_symbol+0x2c/0x70 [ 1304.868496] ? __check_object_size+0x17b/0x3e0 [ 1304.873073] netlink_sendmsg+0x6c3/0xc50 [ 1304.877136] ? aa_af_perm+0x230/0x230 [ 1304.880933] ? nlmsg_notify+0x1f0/0x1f0 [ 1304.884900] ? kernel_recvmsg+0x220/0x220 [ 1304.889040] ? nlmsg_notify+0x1f0/0x1f0 [ 1304.893019] sock_sendmsg+0xc3/0x120 [ 1304.893032] ___sys_sendmsg+0x7bb/0x8e0 [ 1304.893044] ? copy_msghdr_from_user+0x440/0x440 [ 1304.893056] ? __fget+0x32f/0x510 [ 1304.893071] ? lock_downgrade+0x720/0x720 [ 1304.893087] ? check_preemption_disabled+0x41/0x280 [ 1304.893103] ? check_preemption_disabled+0x41/0x280 [ 1304.893115] ? __fget+0x356/0x510 [ 1304.893127] ? do_dup2+0x450/0x450 [ 1304.893139] ? debug_object_active_state+0x254/0x330 [ 1304.893153] ? __fdget+0x1d0/0x230 [ 1304.893167] __x64_sys_sendmsg+0x132/0x220 [ 1304.893178] ? __sys_sendmsg+0x1b0/0x1b0 [ 1304.893192] ? __se_sys_futex+0x298/0x3b0 [ 1304.893209] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 1304.893224] ? trace_hardirqs_off_caller+0x6e/0x210 [ 1304.893237] ? do_syscall_64+0x21/0x620 [ 1304.893250] do_syscall_64+0xf9/0x620 [ 1304.893264] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 1304.893274] RIP: 0033:0x7fac515fd0f9 [ 1304.893286] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 f1 19 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48 [ 1304.893293] RSP: 002b:00007fac4fb6f168 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 1304.893303] RAX: ffffffffffffffda RBX: 00007fac5171cf80 RCX: 00007fac515fd0f9 [ 1304.893310] RDX: 0000000000000000 RSI: 0000000020000200 RDI: 0000000000000005 [ 1304.893317] RBP: 00007fac51658ae9 R08: 0000000000000000 R09: 0000000000000000 [ 1304.893323] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 1304.893331] R13: 00007fff5b2f766f R14: 00007fac4fb6f300 R15: 0000000000022000 [ 1304.893340] Modules linked in: [ 1304.893355] ---[ end trace cd8076511a848de6 ]--- [ 1304.893369] RIP: 0010:__lock_acquire+0x1eb/0x3ff0 [ 1304.893380] Code: 2b 29 00 00 48 81 c4 98 01 00 00 44 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 48 b8 00 00 00 00 00 fc ff df 4c 89 f2 48 c1 ea 03 <80> 3c 02 00 0f 85 b3 2a 00 00 49 81 3e 20 f2 66 8c 0f 84 65 ff ff [ 1304.893386] RSP: 0018:ffff88809f93f270 EFLAGS: 00010006 [ 1304.893395] RAX: dffffc0000000000 RBX: 0000000000000000 RCX: 0000000000000000 [ 1304.893401] RDX: 0000000000000022 RSI: 0000000000000000 RDI: 0000000000000001 [ 1304.893408] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000001 [ 1304.893414] R10: 0000000000000001 R11: 0000000000000000 R12: 0000000000000000 [ 1304.893421] R13: ffff88809cb505c0 R14: 0000000000000110 R15: 0000000000000001 [ 1304.893431] FS: 00007fac4fb6f700(0000) GS:ffff8880ba000000(0000) knlGS:0000000000000000 [ 1304.893439] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 1304.893446] CR2: 0000001b2e223000 CR3: 000000009e886000 CR4: 00000000003406f0 [ 1304.893457] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 1304.893464] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 1304.893469] Kernel panic - not syncing: Fatal exception [ 1304.893621] Kernel Offset: disabled [ 1305.158803] Rebooting in 86400 seconds..