Extracting prog: 1m20.617588395s Minimizing prog: 29m7.927223365s Simplifying prog options: 0s Extracting C: 30.427159388s Simplifying C: 7m21.327114562s extracting reproducer from 1 programs testing a last program of every proc single: executing 1 programs separately with timeout 30s testing program (duration=30s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_init_net_socket$nl_generic-syz_genetlink_get_family_id$nbd-socketpair$nbd-sendmsg$NBD_CMD_RECONFIGURE-socketpair-syz_init_net_socket$nl_generic-syz_genetlink_get_family_id$nbd-socketpair$nbd-sendmsg$NBD_CMD_CONNECT detailed listing: executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f00000000c0), 0xffffffffffffffff) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000100)={0xffffffffffffffff}) sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000240)={&(0x7f0000000180)=ANY=[@ANYBLOB="8c000000", @ANYRES16=r1, @ANYBLOB="010027bd7000ffdbdf25030000000c00040003000000000000000c00080001000000000000000c00020007000000000000000c00050008010000000000000c00060000000000000000000c00020072af000000000000280007800c00018008000100", @ANYRES32=r2, @ANYBLOB="0c00018008000100", @ANYRES32, @ANYBLOB="0c000180fffffeff", @ANYRES32, @ANYBLOB="0800010000000000"], 0x8c}, 0x1, 0x0, 0x0, 0x24060801}, 0x0) socketpair(0x1, 0x1, 0x0, &(0x7f0000000000)={0xffffffffffffffff, 0xffffffffffffffff}) r5 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r6 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), 0xffffffffffffffff) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000100)={0xffffffffffffffff}) sendmsg$NBD_CMD_CONNECT(r5, &(0x7f0000001ac0)={0x0, 0x0, &(0x7f0000001a80)={&(0x7f0000000080)={0x6c, r6, 0x1, 0x70bd2c, 0xffe, {}, [@NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x2}, @NBD_ATTR_SOCKETS={0x40, 0x7, 0x0, 0x1, [{0xc, 0x1, 0x0, 0x1, {0x8, 0x1, r3}}, {0xc, 0x1, 0x0, 0x1, {0x8, 0x1, r3}}, {0xc, 0x1, 0x0, 0x1, {0x8, 0x1, r7}}, {0x24, 0x1, 0x0, 0x1, {0x8, 0x1, r4}}, {0xc, 0x1, 0x0, 0x1, {0x8, 0x1, r4}}]}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x128}]}, 0x6c}}, 0x4) program crashed: possible deadlock in elevator_change single: successfully extracted reproducer found reproducer with 9 syscalls minimizing guilty program testing program (duration=38.733963465s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_init_net_socket$nl_generic-syz_genetlink_get_family_id$nbd-socketpair$nbd-sendmsg$NBD_CMD_RECONFIGURE-socketpair-syz_init_net_socket$nl_generic-syz_genetlink_get_family_id$nbd-socketpair$nbd detailed listing: executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f00000000c0), 0xffffffffffffffff) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000100)={0xffffffffffffffff}) sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000240)={&(0x7f0000000180)=ANY=[@ANYBLOB="8c000000", @ANYRES16=r1, @ANYBLOB="010027bd7000ffdbdf25030000000c00040003000000000000000c00080001000000000000000c00020007000000000000000c00050008010000000000000c00060000000000000000000c00020072af000000000000280007800c00018008000100", @ANYRES32=r2, @ANYBLOB="0c00018008000100", @ANYRES32, @ANYBLOB="0c000180fffffeff", @ANYRES32, @ANYBLOB="0800010000000000"], 0x8c}, 0x1, 0x0, 0x0, 0x24060801}, 0x0) socketpair(0x1, 0x1, 0x0, &(0x7f0000000000)) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000040), 0xffffffffffffffff) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000100)) program did not crash testing program (duration=38.733963465s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_init_net_socket$nl_generic-syz_genetlink_get_family_id$nbd-socketpair$nbd-sendmsg$NBD_CMD_RECONFIGURE-socketpair-syz_init_net_socket$nl_generic-syz_genetlink_get_family_id$nbd-sendmsg$NBD_CMD_CONNECT detailed listing: executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f00000000c0), 0xffffffffffffffff) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000100)={0xffffffffffffffff}) sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000240)={&(0x7f0000000180)=ANY=[@ANYBLOB="8c000000", @ANYRES16=r1, @ANYBLOB="010027bd7000ffdbdf25030000000c00040003000000000000000c00080001000000000000000c00020007000000000000000c00050008010000000000000c00060000000000000000000c00020072af000000000000280007800c00018008000100", @ANYRES32=r2, @ANYBLOB="0c00018008000100", @ANYRES32, @ANYBLOB="0c000180fffffeff", @ANYRES32, @ANYBLOB="0800010000000000"], 0x8c}, 0x1, 0x0, 0x0, 0x24060801}, 0x0) socketpair(0x1, 0x1, 0x0, &(0x7f0000000000)={0xffffffffffffffff, 0xffffffffffffffff}) r5 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r6 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), 0xffffffffffffffff) sendmsg$NBD_CMD_CONNECT(r5, &(0x7f0000001ac0)={0x0, 0x0, &(0x7f0000001a80)={&(0x7f0000000080)={0x6c, r6, 0x1, 0x70bd2c, 0xffe, {}, [@NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x2}, @NBD_ATTR_SOCKETS={0x40, 0x7, 0x0, 0x1, [{0xc, 0x1, 0x0, 0x1, {0x8, 0x1, r3}}, {0xc, 0x1, 0x0, 0x1, {0x8, 0x1, r3}}, {0xc, 0x1, 0x0, 0x1, {0x8}}, {0x24, 0x1, 0x0, 0x1, {0x8, 0x1, r4}}, {0xc, 0x1, 0x0, 0x1, {0x8, 0x1, r4}}]}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x128}]}, 0x6c}}, 0x4) program did not crash testing program (duration=38.733963465s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_init_net_socket$nl_generic-syz_genetlink_get_family_id$nbd-socketpair$nbd-sendmsg$NBD_CMD_RECONFIGURE-socketpair-syz_init_net_socket$nl_generic-socketpair$nbd-sendmsg$NBD_CMD_CONNECT detailed listing: executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f00000000c0), 0xffffffffffffffff) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000100)={0xffffffffffffffff}) sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000240)={&(0x7f0000000180)=ANY=[@ANYBLOB="8c000000", @ANYRES16=r1, @ANYBLOB="010027bd7000ffdbdf25030000000c00040003000000000000000c00080001000000000000000c00020007000000000000000c00050008010000000000000c00060000000000000000000c00020072af000000000000280007800c00018008000100", @ANYRES32=r2, @ANYBLOB="0c00018008000100", @ANYRES32, @ANYBLOB="0c000180fffffeff", @ANYRES32, @ANYBLOB="0800010000000000"], 0x8c}, 0x1, 0x0, 0x0, 0x24060801}, 0x0) socketpair(0x1, 0x1, 0x0, &(0x7f0000000000)={0xffffffffffffffff, 0xffffffffffffffff}) r5 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000100)={0xffffffffffffffff}) sendmsg$NBD_CMD_CONNECT(r5, &(0x7f0000001ac0)={0x0, 0x0, &(0x7f0000001a80)={&(0x7f0000000080)={0x6c, 0x0, 0x1, 0x70bd2c, 0xffe, {}, [@NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x2}, @NBD_ATTR_SOCKETS={0x40, 0x7, 0x0, 0x1, [{0xc, 0x1, 0x0, 0x1, {0x8, 0x1, r3}}, {0xc, 0x1, 0x0, 0x1, {0x8, 0x1, r3}}, {0xc, 0x1, 0x0, 0x1, {0x8, 0x1, r6}}, {0x24, 0x1, 0x0, 0x1, {0x8, 0x1, r4}}, {0xc, 0x1, 0x0, 0x1, {0x8, 0x1, r4}}]}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x128}]}, 0x6c}}, 0x4) program did not crash testing program (duration=38.733963465s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_init_net_socket$nl_generic-syz_genetlink_get_family_id$nbd-socketpair$nbd-sendmsg$NBD_CMD_RECONFIGURE-socketpair-syz_genetlink_get_family_id$nbd-socketpair$nbd-sendmsg$NBD_CMD_CONNECT detailed listing: executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f00000000c0), 0xffffffffffffffff) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000100)={0xffffffffffffffff}) sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000240)={&(0x7f0000000180)=ANY=[@ANYBLOB="8c000000", @ANYRES16=r1, @ANYBLOB="010027bd7000ffdbdf25030000000c00040003000000000000000c00080001000000000000000c00020007000000000000000c00050008010000000000000c00060000000000000000000c00020072af000000000000280007800c00018008000100", @ANYRES32=r2, @ANYBLOB="0c00018008000100", @ANYRES32, @ANYBLOB="0c000180fffffeff", @ANYRES32, @ANYBLOB="0800010000000000"], 0x8c}, 0x1, 0x0, 0x0, 0x24060801}, 0x0) socketpair(0x1, 0x1, 0x0, &(0x7f0000000000)={0xffffffffffffffff, 0xffffffffffffffff}) r5 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), 0xffffffffffffffff) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000100)={0xffffffffffffffff}) sendmsg$NBD_CMD_CONNECT(0xffffffffffffffff, &(0x7f0000001ac0)={0x0, 0x0, &(0x7f0000001a80)={&(0x7f0000000080)={0x6c, r5, 0x1, 0x70bd2c, 0xffe, {}, [@NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x2}, @NBD_ATTR_SOCKETS={0x40, 0x7, 0x0, 0x1, [{0xc, 0x1, 0x0, 0x1, {0x8, 0x1, r3}}, {0xc, 0x1, 0x0, 0x1, {0x8, 0x1, r3}}, {0xc, 0x1, 0x0, 0x1, {0x8, 0x1, r6}}, {0x24, 0x1, 0x0, 0x1, {0x8, 0x1, r4}}, {0xc, 0x1, 0x0, 0x1, {0x8, 0x1, r4}}]}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x128}]}, 0x6c}}, 0x4) program did not crash testing program (duration=38.733963465s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_init_net_socket$nl_generic-syz_genetlink_get_family_id$nbd-socketpair$nbd-sendmsg$NBD_CMD_RECONFIGURE-syz_init_net_socket$nl_generic-syz_genetlink_get_family_id$nbd-socketpair$nbd-sendmsg$NBD_CMD_CONNECT detailed listing: executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f00000000c0), 0xffffffffffffffff) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000100)={0xffffffffffffffff}) sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000240)={&(0x7f0000000180)=ANY=[@ANYBLOB="8c000000", @ANYRES16=r1, @ANYBLOB="010027bd7000ffdbdf25030000000c00040003000000000000000c00080001000000000000000c00020007000000000000000c00050008010000000000000c00060000000000000000000c00020072af000000000000280007800c00018008000100", @ANYRES32=r2, @ANYBLOB="0c00018008000100", @ANYRES32, @ANYBLOB="0c000180fffffeff", @ANYRES32, @ANYBLOB="0800010000000000"], 0x8c}, 0x1, 0x0, 0x0, 0x24060801}, 0x0) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r4 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), 0xffffffffffffffff) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000100)={0xffffffffffffffff}) sendmsg$NBD_CMD_CONNECT(r3, &(0x7f0000001ac0)={0x0, 0x0, &(0x7f0000001a80)={&(0x7f0000000080)={0x6c, r4, 0x1, 0x70bd2c, 0xffe, {}, [@NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x2}, @NBD_ATTR_SOCKETS={0x40, 0x7, 0x0, 0x1, [{0xc, 0x1, 0x0, 0x1, {0x8}}, {0xc, 0x1, 0x0, 0x1, {0x8}}, {0xc, 0x1, 0x0, 0x1, {0x8, 0x1, r5}}, {0x24, 0x1, 0x0, 0x1, {0x8}}, {0xc, 0x1, 0x0, 0x1, {0x8}}]}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x128}]}, 0x6c}}, 0x4) program did not crash testing program (duration=38.733963465s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_init_net_socket$nl_generic-syz_genetlink_get_family_id$nbd-socketpair$nbd-socketpair-syz_init_net_socket$nl_generic-syz_genetlink_get_family_id$nbd-socketpair$nbd-sendmsg$NBD_CMD_CONNECT detailed listing: executing program 0: syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f00000000c0), 0xffffffffffffffff) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000100)) socketpair(0x1, 0x1, 0x0, &(0x7f0000000000)={0xffffffffffffffff, 0xffffffffffffffff}) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r3 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), 0xffffffffffffffff) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000100)={0xffffffffffffffff}) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000001ac0)={0x0, 0x0, &(0x7f0000001a80)={&(0x7f0000000080)={0x6c, r3, 0x1, 0x70bd2c, 0xffe, {}, [@NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x2}, @NBD_ATTR_SOCKETS={0x40, 0x7, 0x0, 0x1, [{0xc, 0x1, 0x0, 0x1, {0x8, 0x1, r0}}, {0xc, 0x1, 0x0, 0x1, {0x8, 0x1, r0}}, {0xc, 0x1, 0x0, 0x1, {0x8, 0x1, r4}}, {0x24, 0x1, 0x0, 0x1, {0x8, 0x1, r1}}, {0xc, 0x1, 0x0, 0x1, {0x8, 0x1, r1}}]}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x128}]}, 0x6c}}, 0x4) program did not crash testing program (duration=38.733963465s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_init_net_socket$nl_generic-syz_genetlink_get_family_id$nbd-sendmsg$NBD_CMD_RECONFIGURE-socketpair-syz_init_net_socket$nl_generic-syz_genetlink_get_family_id$nbd-socketpair$nbd-sendmsg$NBD_CMD_CONNECT detailed listing: executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f00000000c0), 0xffffffffffffffff) sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000240)={&(0x7f0000000180)=ANY=[@ANYBLOB="8c000000", @ANYRES16=r1, @ANYBLOB="010027bd7000ffdbdf25030000000c00040003000000000000000c00080001000000000000000c00020007000000000000000c00050008010000000000000c00060000000000000000000c00020072af000000000000280007800c00018008000100", @ANYRES32, @ANYBLOB="0c00018008000100", @ANYRES32, @ANYBLOB="0c000180fffffeff", @ANYRES32, @ANYBLOB="0800010000000000"], 0x8c}, 0x1, 0x0, 0x0, 0x24060801}, 0x0) socketpair(0x1, 0x1, 0x0, &(0x7f0000000000)={0xffffffffffffffff, 0xffffffffffffffff}) r4 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r5 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), 0xffffffffffffffff) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000100)={0xffffffffffffffff}) sendmsg$NBD_CMD_CONNECT(r4, &(0x7f0000001ac0)={0x0, 0x0, &(0x7f0000001a80)={&(0x7f0000000080)={0x6c, r5, 0x1, 0x70bd2c, 0xffe, {}, [@NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x2}, @NBD_ATTR_SOCKETS={0x40, 0x7, 0x0, 0x1, [{0xc, 0x1, 0x0, 0x1, {0x8, 0x1, r2}}, {0xc, 0x1, 0x0, 0x1, {0x8, 0x1, r2}}, {0xc, 0x1, 0x0, 0x1, {0x8, 0x1, r6}}, {0x24, 0x1, 0x0, 0x1, {0x8, 0x1, r3}}, {0xc, 0x1, 0x0, 0x1, {0x8, 0x1, r3}}]}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x128}]}, 0x6c}}, 0x4) program did not crash testing program (duration=38.733963465s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_init_net_socket$nl_generic-socketpair$nbd-sendmsg$NBD_CMD_RECONFIGURE-socketpair-syz_init_net_socket$nl_generic-syz_genetlink_get_family_id$nbd-socketpair$nbd-sendmsg$NBD_CMD_CONNECT detailed listing: executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000100)={0xffffffffffffffff}) sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000240)={&(0x7f0000000180)=ANY=[@ANYBLOB="8c000000", @ANYRES16, @ANYBLOB="010027bd7000ffdbdf25030000000c00040003000000000000000c00080001000000000000000c00020007000000000000000c00050008010000000000000c00060000000000000000000c00020072af000000000000280007800c00018008000100", @ANYRES32=r1, @ANYBLOB="0c00018008000100", @ANYRES32, @ANYBLOB="0c000180fffffeff", @ANYRES32, @ANYBLOB="0800010000000000"], 0x8c}, 0x1, 0x0, 0x0, 0x24060801}, 0x0) socketpair(0x1, 0x1, 0x0, &(0x7f0000000000)={0xffffffffffffffff, 0xffffffffffffffff}) r4 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r5 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), 0xffffffffffffffff) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000100)={0xffffffffffffffff}) sendmsg$NBD_CMD_CONNECT(r4, &(0x7f0000001ac0)={0x0, 0x0, &(0x7f0000001a80)={&(0x7f0000000080)={0x6c, r5, 0x1, 0x70bd2c, 0xffe, {}, [@NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x2}, @NBD_ATTR_SOCKETS={0x40, 0x7, 0x0, 0x1, [{0xc, 0x1, 0x0, 0x1, {0x8, 0x1, r2}}, {0xc, 0x1, 0x0, 0x1, {0x8, 0x1, r2}}, {0xc, 0x1, 0x0, 0x1, {0x8, 0x1, r6}}, {0x24, 0x1, 0x0, 0x1, {0x8, 0x1, r3}}, {0xc, 0x1, 0x0, 0x1, {0x8, 0x1, r3}}]}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x128}]}, 0x6c}}, 0x4) program did not crash testing program (duration=38.733963465s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_genetlink_get_family_id$nbd-socketpair$nbd-sendmsg$NBD_CMD_RECONFIGURE-socketpair-syz_init_net_socket$nl_generic-syz_genetlink_get_family_id$nbd-socketpair$nbd-sendmsg$NBD_CMD_CONNECT detailed listing: executing program 0: r0 = syz_genetlink_get_family_id$nbd(&(0x7f00000000c0), 0xffffffffffffffff) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000100)={0xffffffffffffffff}) sendmsg$NBD_CMD_RECONFIGURE(0xffffffffffffffff, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000240)={&(0x7f0000000180)=ANY=[@ANYBLOB="8c000000", @ANYRES16=r0, @ANYBLOB="010027bd7000ffdbdf25030000000c00040003000000000000000c00080001000000000000000c00020007000000000000000c00050008010000000000000c00060000000000000000000c00020072af000000000000280007800c00018008000100", @ANYRES32=r1, @ANYBLOB="0c00018008000100", @ANYRES32, @ANYBLOB="0c000180fffffeff", @ANYRES32, @ANYBLOB="0800010000000000"], 0x8c}, 0x1, 0x0, 0x0, 0x24060801}, 0x0) socketpair(0x1, 0x1, 0x0, &(0x7f0000000000)={0xffffffffffffffff, 0xffffffffffffffff}) r4 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r5 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), 0xffffffffffffffff) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000100)={0xffffffffffffffff}) sendmsg$NBD_CMD_CONNECT(r4, &(0x7f0000001ac0)={0x0, 0x0, &(0x7f0000001a80)={&(0x7f0000000080)={0x6c, r5, 0x1, 0x70bd2c, 0xffe, {}, [@NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x2}, @NBD_ATTR_SOCKETS={0x40, 0x7, 0x0, 0x1, [{0xc, 0x1, 0x0, 0x1, {0x8, 0x1, r2}}, {0xc, 0x1, 0x0, 0x1, {0x8, 0x1, r2}}, {0xc, 0x1, 0x0, 0x1, {0x8, 0x1, r6}}, {0x24, 0x1, 0x0, 0x1, {0x8, 0x1, r3}}, {0xc, 0x1, 0x0, 0x1, {0x8, 0x1, r3}}]}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x128}]}, 0x6c}}, 0x4) program did not crash testing program (duration=38.733963465s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_init_net_socket$nl_generic-syz_genetlink_get_family_id$nbd-socketpair$nbd-sendmsg$NBD_CMD_RECONFIGURE-socketpair-syz_init_net_socket$nl_generic-syz_genetlink_get_family_id$nbd-socketpair$nbd-sendmsg$NBD_CMD_CONNECT detailed listing: executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(0x0, 0xffffffffffffffff) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000100)={0xffffffffffffffff}) sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000240)={&(0x7f0000000180)=ANY=[@ANYBLOB="8c000000", @ANYRES16=r1, @ANYBLOB="010027bd7000ffdbdf25030000000c00040003000000000000000c00080001000000000000000c00020007000000000000000c00050008010000000000000c00060000000000000000000c00020072af000000000000280007800c00018008000100", @ANYRES32=r2, @ANYBLOB="0c00018008000100", @ANYRES32, @ANYBLOB="0c000180fffffeff", @ANYRES32, @ANYBLOB="0800010000000000"], 0x8c}, 0x1, 0x0, 0x0, 0x24060801}, 0x0) socketpair(0x1, 0x1, 0x0, &(0x7f0000000000)={0xffffffffffffffff, 0xffffffffffffffff}) r5 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r6 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), 0xffffffffffffffff) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000100)={0xffffffffffffffff}) sendmsg$NBD_CMD_CONNECT(r5, &(0x7f0000001ac0)={0x0, 0x0, &(0x7f0000001a80)={&(0x7f0000000080)={0x6c, r6, 0x1, 0x70bd2c, 0xffe, {}, [@NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x2}, @NBD_ATTR_SOCKETS={0x40, 0x7, 0x0, 0x1, [{0xc, 0x1, 0x0, 0x1, {0x8, 0x1, r3}}, {0xc, 0x1, 0x0, 0x1, {0x8, 0x1, r3}}, {0xc, 0x1, 0x0, 0x1, {0x8, 0x1, r7}}, {0x24, 0x1, 0x0, 0x1, {0x8, 0x1, r4}}, {0xc, 0x1, 0x0, 0x1, {0x8, 0x1, r4}}]}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x128}]}, 0x6c}}, 0x4) program did not crash testing program (duration=38.733963465s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_init_net_socket$nl_generic-syz_genetlink_get_family_id$nbd-socketpair$nbd-sendmsg$NBD_CMD_RECONFIGURE-socketpair-syz_init_net_socket$nl_generic-syz_genetlink_get_family_id$nbd-socketpair$nbd-sendmsg$NBD_CMD_CONNECT detailed listing: executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f00000000c0), 0xffffffffffffffff) socketpair$nbd(0x1, 0x1, 0x0, 0x0) sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000240)={&(0x7f0000000180)=ANY=[@ANYBLOB="8c000000", @ANYRES16=r1, @ANYBLOB="010027bd7000ffdbdf25030000000c00040003000000000000000c00080001000000000000000c00020007000000000000000c00050008010000000000000c00060000000000000000000c00020072af000000000000280007800c00018008000100", @ANYRES32, @ANYBLOB="0c00018008000100", @ANYRES32, @ANYBLOB="0c000180fffffeff", @ANYRES32, @ANYBLOB="0800010000000000"], 0x8c}, 0x1, 0x0, 0x0, 0x24060801}, 0x0) socketpair(0x1, 0x1, 0x0, &(0x7f0000000000)={0xffffffffffffffff, 0xffffffffffffffff}) r4 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r5 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), 0xffffffffffffffff) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000100)={0xffffffffffffffff}) sendmsg$NBD_CMD_CONNECT(r4, &(0x7f0000001ac0)={0x0, 0x0, &(0x7f0000001a80)={&(0x7f0000000080)={0x6c, r5, 0x1, 0x70bd2c, 0xffe, {}, [@NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x2}, @NBD_ATTR_SOCKETS={0x40, 0x7, 0x0, 0x1, [{0xc, 0x1, 0x0, 0x1, {0x8, 0x1, r2}}, {0xc, 0x1, 0x0, 0x1, {0x8, 0x1, r2}}, {0xc, 0x1, 0x0, 0x1, {0x8, 0x1, r6}}, {0x24, 0x1, 0x0, 0x1, {0x8, 0x1, r3}}, {0xc, 0x1, 0x0, 0x1, {0x8, 0x1, r3}}]}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x128}]}, 0x6c}}, 0x4) program did not crash testing program (duration=38.733963465s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_init_net_socket$nl_generic-syz_genetlink_get_family_id$nbd-socketpair$nbd-sendmsg$NBD_CMD_RECONFIGURE-socketpair-syz_init_net_socket$nl_generic-syz_genetlink_get_family_id$nbd-socketpair$nbd-sendmsg$NBD_CMD_CONNECT detailed listing: executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f00000000c0), 0xffffffffffffffff) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000100)) sendmsg$NBD_CMD_RECONFIGURE(r0, 0x0, 0x0) socketpair(0x1, 0x1, 0x0, &(0x7f0000000000)={0xffffffffffffffff, 0xffffffffffffffff}) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r4 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), 0xffffffffffffffff) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000100)={0xffffffffffffffff}) sendmsg$NBD_CMD_CONNECT(r3, &(0x7f0000001ac0)={0x0, 0x0, &(0x7f0000001a80)={&(0x7f0000000080)={0x6c, r4, 0x1, 0x70bd2c, 0xffe, {}, [@NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x2}, @NBD_ATTR_SOCKETS={0x40, 0x7, 0x0, 0x1, [{0xc, 0x1, 0x0, 0x1, {0x8, 0x1, r1}}, {0xc, 0x1, 0x0, 0x1, {0x8, 0x1, r1}}, {0xc, 0x1, 0x0, 0x1, {0x8, 0x1, r5}}, {0x24, 0x1, 0x0, 0x1, {0x8, 0x1, r2}}, {0xc, 0x1, 0x0, 0x1, {0x8, 0x1, r2}}]}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x128}]}, 0x6c}}, 0x4) program did not crash testing program (duration=38.733963465s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_init_net_socket$nl_generic-syz_genetlink_get_family_id$nbd-socketpair$nbd-sendmsg$NBD_CMD_RECONFIGURE-socketpair-syz_init_net_socket$nl_generic-syz_genetlink_get_family_id$nbd-socketpair$nbd-sendmsg$NBD_CMD_CONNECT detailed listing: executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f00000000c0), 0xffffffffffffffff) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000100)) sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f0000000280)={0x0, 0x0, 0x0, 0x1, 0x0, 0x0, 0x24060801}, 0x0) socketpair(0x1, 0x1, 0x0, &(0x7f0000000000)={0xffffffffffffffff, 0xffffffffffffffff}) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r4 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), 0xffffffffffffffff) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000100)={0xffffffffffffffff}) sendmsg$NBD_CMD_CONNECT(r3, &(0x7f0000001ac0)={0x0, 0x0, &(0x7f0000001a80)={&(0x7f0000000080)={0x6c, r4, 0x1, 0x70bd2c, 0xffe, {}, [@NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x2}, @NBD_ATTR_SOCKETS={0x40, 0x7, 0x0, 0x1, [{0xc, 0x1, 0x0, 0x1, {0x8, 0x1, r1}}, {0xc, 0x1, 0x0, 0x1, {0x8, 0x1, r1}}, {0xc, 0x1, 0x0, 0x1, {0x8, 0x1, r5}}, {0x24, 0x1, 0x0, 0x1, {0x8, 0x1, r2}}, {0xc, 0x1, 0x0, 0x1, {0x8, 0x1, r2}}]}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x128}]}, 0x6c}}, 0x4) program did not crash testing program (duration=38.733963465s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_init_net_socket$nl_generic-syz_genetlink_get_family_id$nbd-socketpair$nbd-sendmsg$NBD_CMD_RECONFIGURE-socketpair-syz_init_net_socket$nl_generic-syz_genetlink_get_family_id$nbd-socketpair$nbd-sendmsg$NBD_CMD_CONNECT detailed listing: executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f00000000c0), 0xffffffffffffffff) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000100)) sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000240)={0x0, 0x8c}, 0x1, 0x0, 0x0, 0x24060801}, 0x0) socketpair(0x1, 0x1, 0x0, &(0x7f0000000000)={0xffffffffffffffff, 0xffffffffffffffff}) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r4 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), 0xffffffffffffffff) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000100)={0xffffffffffffffff}) sendmsg$NBD_CMD_CONNECT(r3, &(0x7f0000001ac0)={0x0, 0x0, &(0x7f0000001a80)={&(0x7f0000000080)={0x6c, r4, 0x1, 0x70bd2c, 0xffe, {}, [@NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x2}, @NBD_ATTR_SOCKETS={0x40, 0x7, 0x0, 0x1, [{0xc, 0x1, 0x0, 0x1, {0x8, 0x1, r1}}, {0xc, 0x1, 0x0, 0x1, {0x8, 0x1, r1}}, {0xc, 0x1, 0x0, 0x1, {0x8, 0x1, r5}}, {0x24, 0x1, 0x0, 0x1, {0x8, 0x1, r2}}, {0xc, 0x1, 0x0, 0x1, {0x8, 0x1, r2}}]}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x128}]}, 0x6c}}, 0x4) program did not crash testing program (duration=38.733963465s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_init_net_socket$nl_generic-syz_genetlink_get_family_id$nbd-socketpair$nbd-sendmsg$NBD_CMD_RECONFIGURE-socketpair-syz_init_net_socket$nl_generic-syz_genetlink_get_family_id$nbd-socketpair$nbd-sendmsg$NBD_CMD_CONNECT detailed listing: executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f00000000c0), 0xffffffffffffffff) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000100)) sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000240)={&(0x7f0000000180)=ANY=[], 0x8c}, 0x1, 0x0, 0x0, 0x24060801}, 0x0) socketpair(0x1, 0x1, 0x0, &(0x7f0000000000)={0xffffffffffffffff, 0xffffffffffffffff}) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r4 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), 0xffffffffffffffff) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000100)={0xffffffffffffffff}) sendmsg$NBD_CMD_CONNECT(r3, &(0x7f0000001ac0)={0x0, 0x0, &(0x7f0000001a80)={&(0x7f0000000080)={0x6c, r4, 0x1, 0x70bd2c, 0xffe, {}, [@NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x2}, @NBD_ATTR_SOCKETS={0x40, 0x7, 0x0, 0x1, [{0xc, 0x1, 0x0, 0x1, {0x8, 0x1, r1}}, {0xc, 0x1, 0x0, 0x1, {0x8, 0x1, r1}}, {0xc, 0x1, 0x0, 0x1, {0x8, 0x1, r5}}, {0x24, 0x1, 0x0, 0x1, {0x8, 0x1, r2}}, {0xc, 0x1, 0x0, 0x1, {0x8, 0x1, r2}}]}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x128}]}, 0x6c}}, 0x4) program did not crash testing program (duration=38.733963465s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_init_net_socket$nl_generic-syz_genetlink_get_family_id$nbd-socketpair$nbd-sendmsg$NBD_CMD_RECONFIGURE-socketpair-syz_init_net_socket$nl_generic-syz_genetlink_get_family_id$nbd-socketpair$nbd-sendmsg$NBD_CMD_CONNECT detailed listing: executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f00000000c0), 0xffffffffffffffff) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000100)={0xffffffffffffffff}) sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000240)={&(0x7f0000000180)=ANY=[@ANYBLOB="8c000000", @ANYRES16=r1, @ANYBLOB="010027bd7000ffdbdf25030000000c00040003000000000000000c00080001000000000000000c00020007000000000000000c00050008010000000000000c00060000000000000000000c00020072af000000000000280007800c00018008000100", @ANYRES32=r2, @ANYBLOB="0c00018008000100", @ANYRES32, @ANYBLOB="0c000180fffffeff", @ANYRES32, @ANYBLOB], 0x8c}, 0x1, 0x0, 0x0, 0x24060801}, 0x0) socketpair(0x1, 0x1, 0x0, &(0x7f0000000000)={0xffffffffffffffff, 0xffffffffffffffff}) r5 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r6 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), 0xffffffffffffffff) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000100)={0xffffffffffffffff}) sendmsg$NBD_CMD_CONNECT(r5, &(0x7f0000001ac0)={0x0, 0x0, &(0x7f0000001a80)={&(0x7f0000000080)={0x6c, r6, 0x1, 0x70bd2c, 0xffe, {}, [@NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x2}, @NBD_ATTR_SOCKETS={0x40, 0x7, 0x0, 0x1, [{0xc, 0x1, 0x0, 0x1, {0x8, 0x1, r3}}, {0xc, 0x1, 0x0, 0x1, {0x8, 0x1, r3}}, {0xc, 0x1, 0x0, 0x1, {0x8, 0x1, r7}}, {0x24, 0x1, 0x0, 0x1, {0x8, 0x1, r4}}, {0xc, 0x1, 0x0, 0x1, {0x8, 0x1, r4}}]}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x128}]}, 0x6c}}, 0x4) program did not crash testing program (duration=38.733963465s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_init_net_socket$nl_generic-syz_genetlink_get_family_id$nbd-socketpair$nbd-sendmsg$NBD_CMD_RECONFIGURE-socketpair-syz_init_net_socket$nl_generic-syz_genetlink_get_family_id$nbd-socketpair$nbd-sendmsg$NBD_CMD_CONNECT detailed listing: executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f00000000c0), 0xffffffffffffffff) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000100)={0xffffffffffffffff}) sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000240)={&(0x7f0000000180)=ANY=[@ANYBLOB="8c000000", @ANYRES16=r1, @ANYBLOB="010027bd7000ffdbdf25030000000c00040003000000000000000c00080001000000000000000c00020007000000000000000c00050008010000000000000c00060000000000000000000c00020072af000000000000280007800c00018008000100", @ANYRES32=r2, @ANYBLOB="0c00018008000100", @ANYRES32, @ANYBLOB, @ANYRES32, @ANYBLOB="0800010000000000"], 0x8c}, 0x1, 0x0, 0x0, 0x24060801}, 0x0) socketpair(0x1, 0x1, 0x0, &(0x7f0000000000)={0xffffffffffffffff, 0xffffffffffffffff}) r5 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r6 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), 0xffffffffffffffff) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000100)={0xffffffffffffffff}) sendmsg$NBD_CMD_CONNECT(r5, &(0x7f0000001ac0)={0x0, 0x0, &(0x7f0000001a80)={&(0x7f0000000080)={0x6c, r6, 0x1, 0x70bd2c, 0xffe, {}, [@NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x2}, @NBD_ATTR_SOCKETS={0x40, 0x7, 0x0, 0x1, [{0xc, 0x1, 0x0, 0x1, {0x8, 0x1, r3}}, {0xc, 0x1, 0x0, 0x1, {0x8, 0x1, r3}}, {0xc, 0x1, 0x0, 0x1, {0x8, 0x1, r7}}, {0x24, 0x1, 0x0, 0x1, {0x8, 0x1, r4}}, {0xc, 0x1, 0x0, 0x1, {0x8, 0x1, r4}}]}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x128}]}, 0x6c}}, 0x4) program did not crash testing program (duration=38.733963465s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_init_net_socket$nl_generic-syz_genetlink_get_family_id$nbd-socketpair$nbd-sendmsg$NBD_CMD_RECONFIGURE-socketpair-syz_init_net_socket$nl_generic-syz_genetlink_get_family_id$nbd-socketpair$nbd-sendmsg$NBD_CMD_CONNECT detailed listing: executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f00000000c0), 0xffffffffffffffff) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000100)={0xffffffffffffffff}) sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000240)={&(0x7f0000000180)=ANY=[@ANYBLOB="8c000000", @ANYRES16=r1, @ANYBLOB="010027bd7000ffdbdf25030000000c00040003000000000000000c00080001000000000000000c00020007000000000000000c00050008010000000000000c00060000000000000000000c00020072af000000000000280007800c00018008000100", @ANYRES32=r2, @ANYBLOB, @ANYRES32, @ANYBLOB="0c000180fffffeff", @ANYRES32, @ANYBLOB="0800010000000000"], 0x8c}, 0x1, 0x0, 0x0, 0x24060801}, 0x0) socketpair(0x1, 0x1, 0x0, &(0x7f0000000000)={0xffffffffffffffff, 0xffffffffffffffff}) r5 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r6 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), 0xffffffffffffffff) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000100)={0xffffffffffffffff}) sendmsg$NBD_CMD_CONNECT(r5, &(0x7f0000001ac0)={0x0, 0x0, &(0x7f0000001a80)={&(0x7f0000000080)={0x6c, r6, 0x1, 0x70bd2c, 0xffe, {}, [@NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x2}, @NBD_ATTR_SOCKETS={0x40, 0x7, 0x0, 0x1, [{0xc, 0x1, 0x0, 0x1, {0x8, 0x1, r3}}, {0xc, 0x1, 0x0, 0x1, {0x8, 0x1, r3}}, {0xc, 0x1, 0x0, 0x1, {0x8, 0x1, r7}}, {0x24, 0x1, 0x0, 0x1, {0x8, 0x1, r4}}, {0xc, 0x1, 0x0, 0x1, {0x8, 0x1, r4}}]}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x128}]}, 0x6c}}, 0x4) program did not crash testing program (duration=38.733963465s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_init_net_socket$nl_generic-syz_genetlink_get_family_id$nbd-socketpair$nbd-sendmsg$NBD_CMD_RECONFIGURE-socketpair-syz_init_net_socket$nl_generic-syz_genetlink_get_family_id$nbd-socketpair$nbd-sendmsg$NBD_CMD_CONNECT detailed listing: executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f00000000c0), 0xffffffffffffffff) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000100)={0xffffffffffffffff}) sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000240)={&(0x7f0000000180)=ANY=[@ANYBLOB="8c000000", @ANYRES16=r1, @ANYBLOB, @ANYRES32=r2, @ANYBLOB="0c00018008000100", @ANYRES32, @ANYBLOB="0c000180fffffeff", @ANYRES32, @ANYBLOB="0800010000000000"], 0x8c}, 0x1, 0x0, 0x0, 0x24060801}, 0x0) socketpair(0x1, 0x1, 0x0, &(0x7f0000000000)={0xffffffffffffffff, 0xffffffffffffffff}) r5 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r6 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), 0xffffffffffffffff) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000100)={0xffffffffffffffff}) sendmsg$NBD_CMD_CONNECT(r5, &(0x7f0000001ac0)={0x0, 0x0, &(0x7f0000001a80)={&(0x7f0000000080)={0x6c, r6, 0x1, 0x70bd2c, 0xffe, {}, [@NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x2}, @NBD_ATTR_SOCKETS={0x40, 0x7, 0x0, 0x1, [{0xc, 0x1, 0x0, 0x1, {0x8, 0x1, r3}}, {0xc, 0x1, 0x0, 0x1, {0x8, 0x1, r3}}, {0xc, 0x1, 0x0, 0x1, {0x8, 0x1, r7}}, {0x24, 0x1, 0x0, 0x1, {0x8, 0x1, r4}}, {0xc, 0x1, 0x0, 0x1, {0x8, 0x1, r4}}]}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x128}]}, 0x6c}}, 0x4) program did not crash testing program (duration=38.733963465s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_init_net_socket$nl_generic-syz_genetlink_get_family_id$nbd-socketpair$nbd-sendmsg$NBD_CMD_RECONFIGURE-socketpair-syz_init_net_socket$nl_generic-syz_genetlink_get_family_id$nbd-socketpair$nbd-sendmsg$NBD_CMD_CONNECT detailed listing: executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f00000000c0), 0xffffffffffffffff) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000100)={0xffffffffffffffff}) sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000240)={&(0x7f0000000180)=ANY=[@ANYBLOB, @ANYRES16=r1, @ANYBLOB="010027bd7000ffdbdf25030000000c00040003000000000000000c00080001000000000000000c00020007000000000000000c00050008010000000000000c00060000000000000000000c00020072af000000000000280007800c00018008000100", @ANYRES32=r2, @ANYBLOB="0c00018008000100", @ANYRES32, @ANYBLOB="0c000180fffffeff", @ANYRES32, @ANYBLOB="0800010000000000"], 0x8c}, 0x1, 0x0, 0x0, 0x24060801}, 0x0) socketpair(0x1, 0x1, 0x0, &(0x7f0000000000)={0xffffffffffffffff, 0xffffffffffffffff}) r5 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r6 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), 0xffffffffffffffff) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000100)={0xffffffffffffffff}) sendmsg$NBD_CMD_CONNECT(r5, &(0x7f0000001ac0)={0x0, 0x0, &(0x7f0000001a80)={&(0x7f0000000080)={0x6c, r6, 0x1, 0x70bd2c, 0xffe, {}, [@NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x2}, @NBD_ATTR_SOCKETS={0x40, 0x7, 0x0, 0x1, [{0xc, 0x1, 0x0, 0x1, {0x8, 0x1, r3}}, {0xc, 0x1, 0x0, 0x1, {0x8, 0x1, r3}}, {0xc, 0x1, 0x0, 0x1, {0x8, 0x1, r7}}, {0x24, 0x1, 0x0, 0x1, {0x8, 0x1, r4}}, {0xc, 0x1, 0x0, 0x1, {0x8, 0x1, r4}}]}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x128}]}, 0x6c}}, 0x4) program did not crash testing program (duration=38.733963465s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_init_net_socket$nl_generic-syz_genetlink_get_family_id$nbd-socketpair$nbd-sendmsg$NBD_CMD_RECONFIGURE-socketpair-syz_init_net_socket$nl_generic-syz_genetlink_get_family_id$nbd-socketpair$nbd-sendmsg$NBD_CMD_CONNECT detailed listing: executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f00000000c0), 0xffffffffffffffff) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000100)={0xffffffffffffffff}) sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000240)={&(0x7f0000000180)=ANY=[@ANYBLOB="8c000000", @ANYRES16=r1, @ANYBLOB="010027bd7000ffdbdf25030000000c00040003000000000000000c00080001000000000000000c00020007000000000000000c00050008010000000000000c00060000000000000000000c00020072af000000000000280007800c00018008000100", @ANYRES32=r2, @ANYBLOB="0c00018008000100", @ANYRES32, @ANYBLOB="0c000180fffffeff", @ANYRES32, @ANYBLOB="0800010000000000"], 0x8c}, 0x1, 0x0, 0x0, 0x24060801}, 0x0) socketpair(0x1, 0x1, 0x0, 0x0) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r4 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), 0xffffffffffffffff) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000100)={0xffffffffffffffff}) sendmsg$NBD_CMD_CONNECT(r3, &(0x7f0000001ac0)={0x0, 0x0, &(0x7f0000001a80)={&(0x7f0000000080)={0x6c, r4, 0x1, 0x70bd2c, 0xffe, {}, [@NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x2}, @NBD_ATTR_SOCKETS={0x40, 0x7, 0x0, 0x1, [{0xc, 0x1, 0x0, 0x1, {0x8}}, {0xc, 0x1, 0x0, 0x1, {0x8}}, {0xc, 0x1, 0x0, 0x1, {0x8, 0x1, r5}}, {0x24, 0x1, 0x0, 0x1, {0x8}}, {0xc, 0x1, 0x0, 0x1, {0x8}}]}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x128}]}, 0x6c}}, 0x4) program did not crash testing program (duration=38.733963465s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_init_net_socket$nl_generic-syz_genetlink_get_family_id$nbd-socketpair$nbd-sendmsg$NBD_CMD_RECONFIGURE-socketpair-syz_init_net_socket$nl_generic-syz_genetlink_get_family_id$nbd-socketpair$nbd-sendmsg$NBD_CMD_CONNECT detailed listing: executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f00000000c0), 0xffffffffffffffff) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000100)={0xffffffffffffffff}) sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000240)={&(0x7f0000000180)=ANY=[@ANYBLOB="8c000000", @ANYRES16=r1, @ANYBLOB="010027bd7000ffdbdf25030000000c00040003000000000000000c00080001000000000000000c00020007000000000000000c00050008010000000000000c00060000000000000000000c00020072af000000000000280007800c00018008000100", @ANYRES32=r2, @ANYBLOB="0c00018008000100", @ANYRES32, @ANYBLOB="0c000180fffffeff", @ANYRES32, @ANYBLOB="0800010000000000"], 0x8c}, 0x1, 0x0, 0x0, 0x24060801}, 0x0) socketpair(0x1, 0x1, 0x0, &(0x7f0000000000)={0xffffffffffffffff, 0xffffffffffffffff}) r5 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r6 = syz_genetlink_get_family_id$nbd(0x0, 0xffffffffffffffff) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000100)={0xffffffffffffffff}) sendmsg$NBD_CMD_CONNECT(r5, &(0x7f0000001ac0)={0x0, 0x0, &(0x7f0000001a80)={&(0x7f0000000080)={0x6c, r6, 0x1, 0x70bd2c, 0xffe, {}, [@NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x2}, @NBD_ATTR_SOCKETS={0x40, 0x7, 0x0, 0x1, [{0xc, 0x1, 0x0, 0x1, {0x8, 0x1, r3}}, {0xc, 0x1, 0x0, 0x1, {0x8, 0x1, r3}}, {0xc, 0x1, 0x0, 0x1, {0x8, 0x1, r7}}, {0x24, 0x1, 0x0, 0x1, {0x8, 0x1, r4}}, {0xc, 0x1, 0x0, 0x1, {0x8, 0x1, r4}}]}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x128}]}, 0x6c}}, 0x4) program did not crash testing program (duration=38.733963465s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_init_net_socket$nl_generic-syz_genetlink_get_family_id$nbd-socketpair$nbd-sendmsg$NBD_CMD_RECONFIGURE-socketpair-syz_init_net_socket$nl_generic-syz_genetlink_get_family_id$nbd-socketpair$nbd-sendmsg$NBD_CMD_CONNECT detailed listing: executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f00000000c0), 0xffffffffffffffff) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000100)={0xffffffffffffffff}) sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000240)={&(0x7f0000000180)=ANY=[@ANYBLOB="8c000000", @ANYRES16=r1, @ANYBLOB="010027bd7000ffdbdf25030000000c00040003000000000000000c00080001000000000000000c00020007000000000000000c00050008010000000000000c00060000000000000000000c00020072af000000000000280007800c00018008000100", @ANYRES32=r2, @ANYBLOB="0c00018008000100", @ANYRES32, @ANYBLOB="0c000180fffffeff", @ANYRES32, @ANYBLOB="0800010000000000"], 0x8c}, 0x1, 0x0, 0x0, 0x24060801}, 0x0) socketpair(0x1, 0x1, 0x0, &(0x7f0000000000)={0xffffffffffffffff, 0xffffffffffffffff}) r5 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r6 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), 0xffffffffffffffff) socketpair$nbd(0x1, 0x1, 0x0, 0x0) sendmsg$NBD_CMD_CONNECT(r5, &(0x7f0000001ac0)={0x0, 0x0, &(0x7f0000001a80)={&(0x7f0000000080)={0x6c, r6, 0x1, 0x70bd2c, 0xffe, {}, [@NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x2}, @NBD_ATTR_SOCKETS={0x40, 0x7, 0x0, 0x1, [{0xc, 0x1, 0x0, 0x1, {0x8, 0x1, r3}}, {0xc, 0x1, 0x0, 0x1, {0x8, 0x1, r3}}, {0xc, 0x1, 0x0, 0x1, {0x8}}, {0x24, 0x1, 0x0, 0x1, {0x8, 0x1, r4}}, {0xc, 0x1, 0x0, 0x1, {0x8, 0x1, r4}}]}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x128}]}, 0x6c}}, 0x4) program did not crash testing program (duration=38.733963465s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_init_net_socket$nl_generic-syz_genetlink_get_family_id$nbd-socketpair$nbd-sendmsg$NBD_CMD_RECONFIGURE-socketpair-syz_init_net_socket$nl_generic-syz_genetlink_get_family_id$nbd-socketpair$nbd-sendmsg$NBD_CMD_CONNECT detailed listing: executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f00000000c0), 0xffffffffffffffff) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000100)={0xffffffffffffffff}) sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000240)={&(0x7f0000000180)=ANY=[@ANYBLOB="8c000000", @ANYRES16=r1, @ANYBLOB="010027bd7000ffdbdf25030000000c00040003000000000000000c00080001000000000000000c00020007000000000000000c00050008010000000000000c00060000000000000000000c00020072af000000000000280007800c00018008000100", @ANYRES32=r2, @ANYBLOB="0c00018008000100", @ANYRES32, @ANYBLOB="0c000180fffffeff", @ANYRES32, @ANYBLOB="0800010000000000"], 0x8c}, 0x1, 0x0, 0x0, 0x24060801}, 0x0) socketpair(0x1, 0x1, 0x0, &(0x7f0000000000)) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000040), 0xffffffffffffffff) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000100)) sendmsg$NBD_CMD_CONNECT(r3, 0x0, 0x4) program did not crash testing program (duration=38.733963465s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_init_net_socket$nl_generic-syz_genetlink_get_family_id$nbd-socketpair$nbd-sendmsg$NBD_CMD_RECONFIGURE-socketpair-syz_init_net_socket$nl_generic-syz_genetlink_get_family_id$nbd-socketpair$nbd-sendmsg$NBD_CMD_CONNECT detailed listing: executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f00000000c0), 0xffffffffffffffff) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000100)={0xffffffffffffffff}) sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000240)={&(0x7f0000000180)=ANY=[@ANYBLOB="8c000000", @ANYRES16=r1, @ANYBLOB="010027bd7000ffdbdf25030000000c00040003000000000000000c00080001000000000000000c00020007000000000000000c00050008010000000000000c00060000000000000000000c00020072af000000000000280007800c00018008000100", @ANYRES32=r2, @ANYBLOB="0c00018008000100", @ANYRES32, @ANYBLOB="0c000180fffffeff", @ANYRES32, @ANYBLOB="0800010000000000"], 0x8c}, 0x1, 0x0, 0x0, 0x24060801}, 0x0) socketpair(0x1, 0x1, 0x0, &(0x7f0000000000)) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000040), 0xffffffffffffffff) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000100)) sendmsg$NBD_CMD_CONNECT(r3, &(0x7f0000001ac0)={0x0, 0x0, 0x0}, 0x4) program did not crash testing program (duration=38.733963465s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_init_net_socket$nl_generic-syz_genetlink_get_family_id$nbd-socketpair$nbd-sendmsg$NBD_CMD_RECONFIGURE-socketpair-syz_init_net_socket$nl_generic-syz_genetlink_get_family_id$nbd-socketpair$nbd-sendmsg$NBD_CMD_CONNECT detailed listing: executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f00000000c0), 0xffffffffffffffff) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000100)={0xffffffffffffffff}) sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000240)={&(0x7f0000000180)=ANY=[@ANYBLOB="8c000000", @ANYRES16=r1, @ANYBLOB="010027bd7000ffdbdf25030000000c00040003000000000000000c00080001000000000000000c00020007000000000000000c00050008010000000000000c00060000000000000000000c00020072af000000000000280007800c00018008000100", @ANYRES32=r2, @ANYBLOB="0c00018008000100", @ANYRES32, @ANYBLOB="0c000180fffffeff", @ANYRES32, @ANYBLOB="0800010000000000"], 0x8c}, 0x1, 0x0, 0x0, 0x24060801}, 0x0) socketpair(0x1, 0x1, 0x0, &(0x7f0000000000)) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000040), 0xffffffffffffffff) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000100)) sendmsg$NBD_CMD_CONNECT(r3, &(0x7f0000001ac0)={0x0, 0x0, &(0x7f0000001a80)={0x0}}, 0x4) program did not crash testing program (duration=38.733963465s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_init_net_socket$nl_generic-syz_genetlink_get_family_id$nbd-socketpair$nbd-sendmsg$NBD_CMD_RECONFIGURE-socketpair-syz_init_net_socket$nl_generic-syz_genetlink_get_family_id$nbd-socketpair$nbd-sendmsg$NBD_CMD_CONNECT detailed listing: executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f00000000c0), 0xffffffffffffffff) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000100)={0xffffffffffffffff}) sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000240)={&(0x7f0000000180)=ANY=[@ANYBLOB="8c000000", @ANYRES16=r1, @ANYBLOB="010027bd7000ffdbdf25030000000c00040003000000000000000c00080001000000000000000c00020007000000000000000c00050008010000000000000c00060000000000000000000c00020072af000000000000280007800c00018008000100", @ANYRES32=r2, @ANYBLOB="0c00018008000100", @ANYRES32, @ANYBLOB="0c000180fffffeff", @ANYRES32, @ANYBLOB="0800010000000000"], 0x8c}, 0x1, 0x0, 0x0, 0x24060801}, 0x0) socketpair(0x1, 0x1, 0x0, &(0x7f0000000000)) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r4 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), 0xffffffffffffffff) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000100)) sendmsg$NBD_CMD_CONNECT(r3, &(0x7f0000001ac0)={0x0, 0x0, &(0x7f0000001a80)={&(0x7f0000000080)={0x14, r4, 0x1, 0x70bd2c, 0xffe}, 0x14}}, 0x4) program did not crash testing program (duration=38.733963465s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_init_net_socket$nl_generic-syz_genetlink_get_family_id$nbd-socketpair$nbd-sendmsg$NBD_CMD_RECONFIGURE-socketpair-syz_init_net_socket$nl_generic-syz_genetlink_get_family_id$nbd-socketpair$nbd-sendmsg$NBD_CMD_CONNECT detailed listing: executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f00000000c0), 0xffffffffffffffff) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000100)={0xffffffffffffffff}) sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000240)={&(0x7f0000000180)=ANY=[@ANYBLOB="8c000000", @ANYRES16=r1, @ANYBLOB="010027bd7000ffdbdf25030000000c00040003000000000000000c00080001000000000000000c00020007000000000000000c00050008010000000000000c00060000000000000000000c00020072af000000000000280007800c00018008000100", @ANYRES32=r2, @ANYBLOB="0c00018008000100", @ANYRES32, @ANYBLOB="0c000180fffffeff", @ANYRES32, @ANYBLOB="0800010000000000"], 0x8c}, 0x1, 0x0, 0x0, 0x24060801}, 0x0) socketpair(0x1, 0x1, 0x0, &(0x7f0000000000)) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r4 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), 0xffffffffffffffff) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000100)) sendmsg$NBD_CMD_CONNECT(r3, &(0x7f0000001ac0)={0x0, 0x0, &(0x7f0000001a80)={&(0x7f0000000080)={0x30, r4, 0x1, 0x70bd2c, 0xffe, {}, [@NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x2}, @NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x128}]}, 0x30}}, 0x4) program did not crash extracting C reproducer testing compiled C program (duration=38.733963465s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_init_net_socket$nl_generic-syz_genetlink_get_family_id$nbd-socketpair$nbd-sendmsg$NBD_CMD_RECONFIGURE-socketpair-syz_init_net_socket$nl_generic-syz_genetlink_get_family_id$nbd-socketpair$nbd-sendmsg$NBD_CMD_CONNECT program crashed: possible deadlock in elevator_change simplifying C reproducer testing compiled C program (duration=38.733963465s, {Threaded:false Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_init_net_socket$nl_generic-syz_genetlink_get_family_id$nbd-socketpair$nbd-sendmsg$NBD_CMD_RECONFIGURE-socketpair-syz_init_net_socket$nl_generic-syz_genetlink_get_family_id$nbd-socketpair$nbd-sendmsg$NBD_CMD_CONNECT program crashed: possible deadlock in elevator_change testing compiled C program (duration=38.733963465s, {Threaded:false Repeat:false RepeatTimes:0 Procs:1 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:false Cgroups:false BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_init_net_socket$nl_generic-syz_genetlink_get_family_id$nbd-socketpair$nbd-sendmsg$NBD_CMD_RECONFIGURE-socketpair-syz_init_net_socket$nl_generic-syz_genetlink_get_family_id$nbd-socketpair$nbd-sendmsg$NBD_CMD_CONNECT program did not crash testing compiled C program (duration=38.733963465s, {Threaded:false Repeat:true RepeatTimes:0 Procs:1 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_init_net_socket$nl_generic-syz_genetlink_get_family_id$nbd-socketpair$nbd-sendmsg$NBD_CMD_RECONFIGURE-socketpair-syz_init_net_socket$nl_generic-syz_genetlink_get_family_id$nbd-socketpair$nbd-sendmsg$NBD_CMD_CONNECT program crashed: possible deadlock in elevator_change testing compiled C program (duration=38.733963465s, {Threaded:false Repeat:true RepeatTimes:0 Procs:1 Slowdown:1 Sandbox: SandboxArg:0 Leak:false NetInjection:false NetDevices:false NetReset:false Cgroups:false BinfmtMisc:false CloseFDs:false KCSAN:false DevlinkPCI:false NicVF:false USB:false VhciInjection:false Wifi:false IEEE802154:true Sysctl:true Swap:false UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_init_net_socket$nl_generic-syz_genetlink_get_family_id$nbd-socketpair$nbd-sendmsg$NBD_CMD_RECONFIGURE-socketpair-syz_init_net_socket$nl_generic-syz_genetlink_get_family_id$nbd-socketpair$nbd-sendmsg$NBD_CMD_CONNECT program crashed: possible deadlock in elevator_change testing compiled C program (duration=38.733963465s, {Threaded:false Repeat:true RepeatTimes:0 Procs:1 Slowdown:1 Sandbox: SandboxArg:0 Leak:false NetInjection:false NetDevices:false NetReset:false Cgroups:false BinfmtMisc:false CloseFDs:false KCSAN:false DevlinkPCI:false NicVF:false USB:false VhciInjection:false Wifi:false IEEE802154:false Sysctl:true Swap:false UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_init_net_socket$nl_generic-syz_genetlink_get_family_id$nbd-socketpair$nbd-sendmsg$NBD_CMD_RECONFIGURE-socketpair-syz_init_net_socket$nl_generic-syz_genetlink_get_family_id$nbd-socketpair$nbd-sendmsg$NBD_CMD_CONNECT program crashed: possible deadlock in elevator_change testing compiled C program (duration=38.733963465s, {Threaded:false Repeat:true RepeatTimes:0 Procs:1 Slowdown:1 Sandbox: SandboxArg:0 Leak:false NetInjection:false NetDevices:false NetReset:false Cgroups:false BinfmtMisc:false CloseFDs:false KCSAN:false DevlinkPCI:false NicVF:false USB:false VhciInjection:false Wifi:false IEEE802154:false Sysctl:true Swap:false UseTmpDir:false HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_init_net_socket$nl_generic-syz_genetlink_get_family_id$nbd-socketpair$nbd-sendmsg$NBD_CMD_RECONFIGURE-socketpair-syz_init_net_socket$nl_generic-syz_genetlink_get_family_id$nbd-socketpair$nbd-sendmsg$NBD_CMD_CONNECT program crashed: possible deadlock in elevator_change testing compiled C program (duration=38.733963465s, {Threaded:false Repeat:true RepeatTimes:0 Procs:1 Slowdown:1 Sandbox: SandboxArg:0 Leak:false NetInjection:false NetDevices:false NetReset:false Cgroups:false BinfmtMisc:false CloseFDs:false KCSAN:false DevlinkPCI:false NicVF:false USB:false VhciInjection:false Wifi:false IEEE802154:false Sysctl:true Swap:false UseTmpDir:false HandleSegv:false Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_init_net_socket$nl_generic-syz_genetlink_get_family_id$nbd-socketpair$nbd-sendmsg$NBD_CMD_RECONFIGURE-socketpair-syz_init_net_socket$nl_generic-syz_genetlink_get_family_id$nbd-socketpair$nbd-sendmsg$NBD_CMD_CONNECT program crashed: possible deadlock in elevator_change testing compiled C program (duration=38.733963465s, {Threaded:false Repeat:true RepeatTimes:0 Procs:1 Slowdown:1 Sandbox: SandboxArg:0 Leak:false NetInjection:false NetDevices:false NetReset:false Cgroups:false BinfmtMisc:false CloseFDs:false KCSAN:false DevlinkPCI:false NicVF:false USB:false VhciInjection:false Wifi:false IEEE802154:false Sysctl:false Swap:false UseTmpDir:false HandleSegv:false Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_init_net_socket$nl_generic-syz_genetlink_get_family_id$nbd-socketpair$nbd-sendmsg$NBD_CMD_RECONFIGURE-socketpair-syz_init_net_socket$nl_generic-syz_genetlink_get_family_id$nbd-socketpair$nbd-sendmsg$NBD_CMD_CONNECT program crashed: possible deadlock in elevator_change testing program (duration=38.733963465s, {Threaded:false Repeat:true RepeatTimes:0 Procs:1 Slowdown:1 Sandbox: SandboxArg:0 Leak:false NetInjection:false NetDevices:false NetReset:false Cgroups:false BinfmtMisc:false CloseFDs:false KCSAN:false DevlinkPCI:false NicVF:false USB:false VhciInjection:false Wifi:false IEEE802154:false Sysctl:false Swap:false UseTmpDir:false HandleSegv:false Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_init_net_socket$nl_generic-syz_genetlink_get_family_id$nbd-socketpair$nbd-sendmsg$NBD_CMD_RECONFIGURE-socketpair-syz_init_net_socket$nl_generic-syz_genetlink_get_family_id$nbd-socketpair$nbd-sendmsg$NBD_CMD_CONNECT detailed listing: executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f00000000c0), 0xffffffffffffffff) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000100)={0xffffffffffffffff}) sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000240)={&(0x7f0000000180)=ANY=[@ANYBLOB="8c000000", @ANYRES16=r1, @ANYBLOB="010027bd7000ffdbdf25030000000c00040003000000000000000c00080001000000000000000c00020007000000000000000c00050008010000000000000c00060000000000000000000c00020072af000000000000280007800c00018008000100", @ANYRES32=r2, @ANYBLOB="0c00018008000100", @ANYRES32, @ANYBLOB="0c000180fffffeff", @ANYRES32, @ANYBLOB="0800010000000000"], 0x8c}, 0x1, 0x0, 0x0, 0x24060801}, 0x0) socketpair(0x1, 0x1, 0x0, &(0x7f0000000000)={0xffffffffffffffff, 0xffffffffffffffff}) r5 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r6 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), 0xffffffffffffffff) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000100)={0xffffffffffffffff}) sendmsg$NBD_CMD_CONNECT(r5, &(0x7f0000001ac0)={0x0, 0x0, &(0x7f0000001a80)={&(0x7f0000000080)={0x6c, r6, 0x1, 0x70bd2c, 0xffe, {}, [@NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x2}, @NBD_ATTR_SOCKETS={0x40, 0x7, 0x0, 0x1, [{0xc, 0x1, 0x0, 0x1, {0x8, 0x1, r3}}, {0xc, 0x1, 0x0, 0x1, {0x8, 0x1, r3}}, {0xc, 0x1, 0x0, 0x1, {0x8, 0x1, r7}}, {0x24, 0x1, 0x0, 0x1, {0x8, 0x1, r4}}, {0xc, 0x1, 0x0, 0x1, {0x8, 0x1, r4}}]}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x128}]}, 0x6c}}, 0x4) program crashed: possible deadlock in elevator_change validation run: crashed=true testing program (duration=38.733963465s, {Threaded:false Repeat:true RepeatTimes:0 Procs:1 Slowdown:1 Sandbox: SandboxArg:0 Leak:false NetInjection:false NetDevices:false NetReset:false Cgroups:false BinfmtMisc:false CloseFDs:false KCSAN:false DevlinkPCI:false NicVF:false USB:false VhciInjection:false Wifi:false IEEE802154:false Sysctl:false Swap:false UseTmpDir:false HandleSegv:false Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_init_net_socket$nl_generic-syz_genetlink_get_family_id$nbd-socketpair$nbd-sendmsg$NBD_CMD_RECONFIGURE-socketpair-syz_init_net_socket$nl_generic-syz_genetlink_get_family_id$nbd-socketpair$nbd-sendmsg$NBD_CMD_CONNECT detailed listing: executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f00000000c0), 0xffffffffffffffff) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000100)={0xffffffffffffffff}) sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000240)={&(0x7f0000000180)=ANY=[@ANYBLOB="8c000000", @ANYRES16=r1, @ANYBLOB="010027bd7000ffdbdf25030000000c00040003000000000000000c00080001000000000000000c00020007000000000000000c00050008010000000000000c00060000000000000000000c00020072af000000000000280007800c00018008000100", @ANYRES32=r2, @ANYBLOB="0c00018008000100", @ANYRES32, @ANYBLOB="0c000180fffffeff", @ANYRES32, @ANYBLOB="0800010000000000"], 0x8c}, 0x1, 0x0, 0x0, 0x24060801}, 0x0) socketpair(0x1, 0x1, 0x0, &(0x7f0000000000)={0xffffffffffffffff, 0xffffffffffffffff}) r5 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r6 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), 0xffffffffffffffff) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000100)={0xffffffffffffffff}) sendmsg$NBD_CMD_CONNECT(r5, &(0x7f0000001ac0)={0x0, 0x0, &(0x7f0000001a80)={&(0x7f0000000080)={0x6c, r6, 0x1, 0x70bd2c, 0xffe, {}, [@NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x2}, @NBD_ATTR_SOCKETS={0x40, 0x7, 0x0, 0x1, [{0xc, 0x1, 0x0, 0x1, {0x8, 0x1, r3}}, {0xc, 0x1, 0x0, 0x1, {0x8, 0x1, r3}}, {0xc, 0x1, 0x0, 0x1, {0x8, 0x1, r7}}, {0x24, 0x1, 0x0, 0x1, {0x8, 0x1, r4}}, {0xc, 0x1, 0x0, 0x1, {0x8, 0x1, r4}}]}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x128}]}, 0x6c}}, 0x4) program crashed: possible deadlock in elevator_change validation run: crashed=true testing program (duration=38.733963465s, {Threaded:false Repeat:true RepeatTimes:0 Procs:1 Slowdown:1 Sandbox: SandboxArg:0 Leak:false NetInjection:false NetDevices:false NetReset:false Cgroups:false BinfmtMisc:false CloseFDs:false KCSAN:false DevlinkPCI:false NicVF:false USB:false VhciInjection:false Wifi:false IEEE802154:false Sysctl:false Swap:false UseTmpDir:false HandleSegv:false Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_init_net_socket$nl_generic-syz_genetlink_get_family_id$nbd-socketpair$nbd-sendmsg$NBD_CMD_RECONFIGURE-socketpair-syz_init_net_socket$nl_generic-syz_genetlink_get_family_id$nbd-socketpair$nbd-sendmsg$NBD_CMD_CONNECT detailed listing: executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f00000000c0), 0xffffffffffffffff) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000100)={0xffffffffffffffff}) sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000240)={&(0x7f0000000180)=ANY=[@ANYBLOB="8c000000", @ANYRES16=r1, @ANYBLOB="010027bd7000ffdbdf25030000000c00040003000000000000000c00080001000000000000000c00020007000000000000000c00050008010000000000000c00060000000000000000000c00020072af000000000000280007800c00018008000100", @ANYRES32=r2, @ANYBLOB="0c00018008000100", @ANYRES32, @ANYBLOB="0c000180fffffeff", @ANYRES32, @ANYBLOB="0800010000000000"], 0x8c}, 0x1, 0x0, 0x0, 0x24060801}, 0x0) socketpair(0x1, 0x1, 0x0, &(0x7f0000000000)={0xffffffffffffffff, 0xffffffffffffffff}) r5 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r6 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), 0xffffffffffffffff) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000100)={0xffffffffffffffff}) sendmsg$NBD_CMD_CONNECT(r5, &(0x7f0000001ac0)={0x0, 0x0, &(0x7f0000001a80)={&(0x7f0000000080)={0x6c, r6, 0x1, 0x70bd2c, 0xffe, {}, [@NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x2}, @NBD_ATTR_SOCKETS={0x40, 0x7, 0x0, 0x1, [{0xc, 0x1, 0x0, 0x1, {0x8, 0x1, r3}}, {0xc, 0x1, 0x0, 0x1, {0x8, 0x1, r3}}, {0xc, 0x1, 0x0, 0x1, {0x8, 0x1, r7}}, {0x24, 0x1, 0x0, 0x1, {0x8, 0x1, r4}}, {0xc, 0x1, 0x0, 0x1, {0x8, 0x1, r4}}]}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x128}]}, 0x6c}}, 0x4) program crashed: possible deadlock in elevator_change validation run: crashed=true reproducing took 41m48.673698888s repro crashed as (corrupted=false): nbd0: detected capacity change from 0 to 87 block nbd0: reconnected socket ====================================================== WARNING: possible circular locking dependency detected syzkaller #0 Not tainted ------------------------------------------------------ syz.0.18/4919 is trying to acquire lock: ffff0000c5e5cfc0 (&q->elevator_lock){+.+.}-{4:4}, at: elevator_change+0x188/0x35c block/elevator.c:679 but task is already holding lock: ffff0000c5e5caa0 (&q->q_usage_counter(io)#34){++++}-{0:0}, at: blk_mq_freeze_queue_nomemsave+0x20/0x38 block/blk-mq.c:206 which lock already depends on the new lock. the existing dependency chain (in reverse order) is: -> #6 (&q->q_usage_counter(io)#34){++++}-{0:0}: blk_alloc_queue+0x488/0x590 block/blk-core.c:504 blk_mq_alloc_queue+0x148/0x284 block/blk-mq.c:4420 __blk_mq_alloc_disk+0x38/0x10c block/blk-mq.c:4467 nbd_dev_add+0x3d0/0x880 drivers/block/nbd.c:1991 nbd_init+0x15c/0x174 drivers/block/nbd.c:2729 do_one_initcall+0x274/0xc38 init/main.c:1347 do_initcall_level+0x12c/0x1c4 init/main.c:1409 do_initcalls+0x70/0xd0 init/main.c:1425 do_basic_setup+0x7c/0x90 init/main.c:1445 kernel_init_freeable+0x268/0x3a8 init/main.c:1658 kernel_init+0x24/0x1dc init/main.c:1548 ret_from_fork+0x10/0x20 arch/arm64/kernel/entry.S:842 -> #5 (fs_reclaim){+.+.}-{0:0}: __fs_reclaim_acquire mm/page_alloc.c:4329 [inline] fs_reclaim_acquire+0x90/0x110 mm/page_alloc.c:4343 might_alloc include/linux/sched/mm.h:317 [inline] slab_pre_alloc_hook mm/slub.c:4565 [inline] slab_alloc_node mm/slub.c:4925 [inline] __kmalloc_cache_node_noprof+0x64/0x60c mm/slub.c:5530 _kmalloc_node_noprof include/linux/slab.h:1174 [inline] alloc_worker+0x5c/0x15c kernel/workqueue.c:2706 create_worker+0xc4/0x52c kernel/workqueue.c:2849 workqueue_prepare_cpu+0xe8/0x178 kernel/workqueue.c:6841 cpuhp_invoke_callback+0x388/0x6cc kernel/cpu.c:194 __cpuhp_invoke_callback_range+0x13c/0x238 kernel/cpu.c:972 cpuhp_invoke_callback_range kernel/cpu.c:996 [inline] cpuhp_up_callbacks kernel/cpu.c:1027 [inline] _cpu_up+0x348/0x5ec kernel/cpu.c:1674 cpu_up+0x278/0x30c kernel/cpu.c:1706 cpuhp_bringup_mask+0x88/0xe4 kernel/cpu.c:1772 bringup_nonboot_cpus+0x20/0x24 kernel/cpu.c:1880 smp_init+0x38/0xf8 kernel/smp.c:1014 kernel_init_freeable+0x250/0x3a8 init/main.c:1650 kernel_init+0x24/0x1dc init/main.c:1548 ret_from_fork+0x10/0x20 arch/arm64/kernel/entry.S:842 -> #4 (cpu_hotplug_lock){++++}-{0:0}: percpu_down_read_internal include/linux/percpu-rwsem.h:53 [inline] percpu_down_read include/linux/percpu-rwsem.h:77 [inline] cpus_read_lock+0x58/0x25c kernel/cpu.c:490 static_key_slow_inc+0x1c/0x40 kernel/jump_label.c:190 sk_set_memalloc+0x6c/0xa0 net/core/sock.c:306 nbd_reconnect_socket drivers/block/nbd.c:1379 [inline] nbd_genl_reconfigure+0xb50/0x1430 drivers/block/nbd.c:2468 genl_family_rcv_msg_doit+0x1e4/0x2d4 net/netlink/genetlink.c:1114 genl_family_rcv_msg net/netlink/genetlink.c:1194 [inline] genl_rcv_msg+0x43c/0x620 net/netlink/genetlink.c:1209 netlink_rcv_skb+0x238/0x414 net/netlink/af_netlink.c:2556 genl_rcv+0x38/0x50 net/netlink/genetlink.c:1218 netlink_unicast_kernel net/netlink/af_netlink.c:1319 [inline] netlink_unicast+0x600/0x7f8 net/netlink/af_netlink.c:1345 netlink_sendmsg+0x648/0x948 net/netlink/af_netlink.c:1900 sock_sendmsg_nosec net/socket.c:775 [inline] __sock_sendmsg+0xc8/0x17c net/socket.c:790 ____sys_sendmsg+0x3d0/0x6c8 net/socket.c:2684 ___sys_sendmsg+0x198/0x224 net/socket.c:2738 __sys_sendmsg+0x158/0x204 net/socket.c:2770 __do_sys_sendmsg net/socket.c:2775 [inline] __se_sys_sendmsg net/socket.c:2773 [inline] __arm64_sys_sendmsg+0x80/0x94 net/socket.c:2773 __invoke_syscall arch/arm64/kernel/syscall.c:35 [inline] invoke_syscall+0x98/0x244 arch/arm64/kernel/syscall.c:49 el0_svc_common+0xec/0x23c arch/arm64/kernel/syscall.c:121 do_el0_svc+0x4c/0x5c arch/arm64/kernel/syscall.c:140 el0_svc+0x64/0x260 arch/arm64/kernel/entry-common.c:736 el0t_64_sync_handler+0x48/0x148 arch/arm64/kernel/entry-common.c:755 el0t_64_sync+0x198/0x19c arch/arm64/kernel/entry.S:594 -> #3 (&nsock->tx_lock){+.+.}-{4:4}: __mutex_lock_common kernel/locking/mutex.c:646 [inline] __mutex_lock+0x164/0xf14 kernel/locking/mutex.c:821 mutex_lock_nested+0x24/0x30 kernel/locking/mutex.c:874 nbd_handle_cmd drivers/block/nbd.c:1143 [inline] nbd_queue_rq+0x1f4/0xbd8 drivers/block/nbd.c:1207 blk_mq_dispatch_rq_list+0x3d4/0x13a8 block/blk-mq.c:2117 __blk_mq_do_dispatch_sched block/blk-mq-sched.c:168 [inline] blk_mq_do_dispatch_sched block/blk-mq-sched.c:182 [inline] __blk_mq_sched_dispatch_requests+0xa48/0x10e8 block/blk-mq-sched.c:307 blk_mq_sched_dispatch_requests+0xa8/0x158 block/blk-mq-sched.c:329 blk_mq_run_work_fn+0x154/0x2e4 block/blk-mq.c:2532 process_one_work kernel/workqueue.c:3322 [inline] process_scheduled_works+0x788/0x10b8 kernel/workqueue.c:3405 worker_thread+0x798/0xbd0 kernel/workqueue.c:3486 kthread+0x304/0x3d4 kernel/kthread.c:436 ret_from_fork+0x10/0x20 arch/arm64/kernel/entry.S:842 -> #2 (&cmd->lock){+.+.}-{4:4}: __mutex_lock_common kernel/locking/mutex.c:646 [inline] __mutex_lock+0x164/0xf14 kernel/locking/mutex.c:821 mutex_lock_nested+0x24/0x30 kernel/locking/mutex.c:874 nbd_queue_rq+0xb0/0xbd8 drivers/block/nbd.c:1199 blk_mq_dispatch_rq_list+0x3d4/0x13a8 block/blk-mq.c:2117 __blk_mq_do_dispatch_sched block/blk-mq-sched.c:168 [inline] blk_mq_do_dispatch_sched block/blk-mq-sched.c:182 [inline] __blk_mq_sched_dispatch_requests+0xa48/0x10e8 block/blk-mq-sched.c:307 blk_mq_sched_dispatch_requests+0xa8/0x158 block/blk-mq-sched.c:329 blk_mq_run_work_fn+0x154/0x2e4 block/blk-mq.c:2532 process_one_work kernel/workqueue.c:3322 [inline] process_scheduled_works+0x788/0x10b8 kernel/workqueue.c:3405 worker_thread+0x798/0xbd0 kernel/workqueue.c:3486 kthread+0x304/0x3d4 kernel/kthread.c:436 ret_from_fork+0x10/0x20 arch/arm64/kernel/entry.S:842 -> #1 (set->srcu){.+.+}-{0:0}: srcu_lock_sync include/linux/srcu.h:199 [inline] __synchronize_srcu+0xc8/0x268 kernel/rcu/srcutree.c:1481 synchronize_srcu+0x41c/0x5d4 kernel/rcu/srcutree.c:-1 blk_mq_wait_quiesce_done+0x88/0xac block/blk-mq.c:284 blk_mq_quiesce_queue+0x70/0x8c block/blk-mq.c:304 elevator_switch+0x128/0x38c block/elevator.c:576 elevator_change+0x204/0x35c block/elevator.c:681 elevator_set_default+0x190/0x2b0 block/elevator.c:754 blk_register_queue+0x2fc/0x3d4 block/blk-sysfs.c:992 __add_disk+0x558/0xb44 block/genhd.c:524 add_disk_fwnode+0xd4/0x340 block/genhd.c:593 device_add_disk+0x38/0x4c block/genhd.c:623 add_disk include/linux/blkdev.h:800 [inline] nbd_dev_add+0x598/0x880 drivers/block/nbd.c:2021 nbd_init+0x15c/0x174 drivers/block/nbd.c:2729 do_one_initcall+0x274/0xc38 init/main.c:1347 do_initcall_level+0x12c/0x1c4 init/main.c:1409 do_initcalls+0x70/0xd0 init/main.c:1425 do_basic_setup+0x7c/0x90 init/main.c:1445 kernel_init_freeable+0x268/0x3a8 init/main.c:1658 kernel_init+0x24/0x1dc init/main.c:1548 ret_from_fork+0x10/0x20 arch/arm64/kernel/entry.S:842 -> #0 (&q->elevator_lock){+.+.}-{4:4}: check_prev_add kernel/locking/lockdep.c:3165 [inline] check_prevs_add kernel/locking/lockdep.c:3284 [inline] validate_chain kernel/locking/lockdep.c:3908 [inline] __lock_acquire+0x17c0/0x2ebc kernel/locking/lockdep.c:5237 lock_acquire+0x140/0x364 kernel/locking/lockdep.c:5868 __mutex_lock_common kernel/locking/mutex.c:646 [inline] __mutex_lock+0x164/0xf14 kernel/locking/mutex.c:821 mutex_lock_nested+0x24/0x30 kernel/locking/mutex.c:874 elevator_change+0x188/0x35c block/elevator.c:679 elevator_set_none+0xa8/0x13c block/elevator.c:769 blk_mq_elv_switch_none block/blk-mq.c:5101 [inline] __blk_mq_update_nr_hw_queues block/blk-mq.c:5146 [inline] blk_mq_update_nr_hw_queues+0x4c4/0x11e0 block/blk-mq.c:5211 nbd_start_device+0x15c/0xa44 drivers/block/nbd.c:1526 nbd_genl_connect+0xffc/0x15d4 drivers/block/nbd.c:2276 genl_family_rcv_msg_doit+0x1e4/0x2d4 net/netlink/genetlink.c:1114 genl_family_rcv_msg net/netlink/genetlink.c:1194 [inline] genl_rcv_msg+0x43c/0x620 net/netlink/genetlink.c:1209 netlink_rcv_skb+0x238/0x414 net/netlink/af_netlink.c:2556 genl_rcv+0x38/0x50 net/netlink/genetlink.c:1218 netlink_unicast_kernel net/netlink/af_netlink.c:1319 [inline] netlink_unicast+0x600/0x7f8 net/netlink/af_netlink.c:1345 netlink_sendmsg+0x648/0x948 net/netlink/af_netlink.c:1900 sock_sendmsg_nosec net/socket.c:775 [inline] __sock_sendmsg+0xc8/0x17c net/socket.c:790 ____sys_sendmsg+0x3d0/0x6c8 net/socket.c:2684 ___sys_sendmsg+0x198/0x224 net/socket.c:2738 __sys_sendmsg+0x158/0x204 net/socket.c:2770 __do_sys_sendmsg net/socket.c:2775 [inline] __se_sys_sendmsg net/socket.c:2773 [inline] __arm64_sys_sendmsg+0x80/0x94 net/socket.c:2773 __invoke_syscall arch/arm64/kernel/syscall.c:35 [inline] invoke_syscall+0x98/0x244 arch/arm64/kernel/syscall.c:49 el0_svc_common+0xec/0x23c arch/arm64/kernel/syscall.c:121 do_el0_svc+0x4c/0x5c arch/arm64/kernel/syscall.c:140 el0_svc+0x64/0x260 arch/arm64/kernel/entry-common.c:736 el0t_64_sync_handler+0x48/0x148 arch/arm64/kernel/entry-common.c:755 el0t_64_sync+0x198/0x19c arch/arm64/kernel/entry.S:594 other info that might help us debug this: Chain exists of: &q->elevator_lock --> fs_reclaim --> &q->q_usage_counter(io)#34 Possible unsafe locking scenario: CPU0 CPU1 ---- ---- lock(&q->q_usage_counter(io)#34); lock(fs_reclaim); lock(&q->q_usage_counter(io)#34); lock(&q->elevator_lock); *** DEADLOCK *** 6 locks held by syz.0.18/4919: #0: ffff800089e0a788 (cb_lock){++++}-{4:4}, at: genl_rcv+0x28/0x50 net/netlink/genetlink.c:1217 #1: ffff800089e0a5c0 (genl_mutex){+.+.}-{4:4}, at: genl_lock net/netlink/genetlink.c:35 [inline] #1: ffff800089e0a5c0 (genl_mutex){+.+.}-{4:4}, at: genl_op_lock net/netlink/genetlink.c:60 [inline] #1: ffff800089e0a5c0 (genl_mutex){+.+.}-{4:4}, at: genl_rcv_msg+0xec/0x620 net/netlink/genetlink.c:1208 #2: ffff0000c4e0b9c0 (&set->update_nr_hwq_lock){++++}-{4:4}, at: blk_mq_update_nr_hw_queues+0x98/0x11e0 block/blk-mq.c:5209 #3: ffff0000c4e0b8d0 (&set->tag_list_lock){+.+.}-{4:4}, at: blk_mq_update_nr_hw_queues+0xa4/0x11e0 block/blk-mq.c:5210 #4: ffff0000c5e5caa0 (&q->q_usage_counter(io)#34){++++}-{0:0}, at: blk_mq_freeze_queue_nomemsave+0x20/0x38 block/blk-mq.c:206 #5: ffff0000c5e5cad8 (&q->q_usage_counter(queue)#18){+.+.}-{0:0}, at: blk_mq_freeze_queue_nomemsave+0x20/0x38 block/blk-mq.c:206 stack backtrace: CPU: 0 UID: 0 PID: 4919 Comm: syz.0.18 Not tainted syzkaller #0 PREEMPT Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/02/2026 Call trace: show_stack+0x2c/0x3c arch/arm64/kernel/stacktrace.c:499 (C) __dump_stack+0x30/0x40 lib/dump_stack.c:94 dump_stack_lvl+0xd8/0x12c lib/dump_stack.c:120 dump_stack+0x1c/0x28 lib/dump_stack.c:129 print_circular_bug+0x328/0x330 kernel/locking/lockdep.c:2043 check_noncircular+0x158/0x174 kernel/locking/lockdep.c:2175 check_prev_add kernel/locking/lockdep.c:3165 [inline] check_prevs_add kernel/locking/lockdep.c:3284 [inline] validate_chain kernel/locking/lockdep.c:3908 [inline] __lock_acquire+0x17c0/0x2ebc kernel/locking/lockdep.c:5237 lock_acquire+0x140/0x364 kernel/locking/lockdep.c:5868 __mutex_lock_common kernel/locking/mutex.c:646 [inline] __mutex_lock+0x164/0xf14 kernel/locking/mutex.c:821 mutex_lock_nested+0x24/0x30 kernel/locking/mutex.c:874 elevator_change+0x188/0x35c block/elevator.c:679 elevator_set_none+0xa8/0x13c block/elevator.c:769 blk_mq_elv_switch_none block/blk-mq.c:5101 [inline] __blk_mq_update_nr_hw_queues block/blk-mq.c:5146 [inline] blk_mq_update_nr_hw_queues+0x4c4/0x11e0 block/blk-mq.c:5211 nbd_start_device+0x15c/0xa44 drivers/block/nbd.c:1526 nbd_genl_connect+0xffc/0x15d4 drivers/block/nbd.c:2276 genl_family_rcv_msg_doit+0x1e4/0x2d4 net/netlink/genetlink.c:1114 genl_family_rcv_msg net/netlink/genetlink.c:1194 [inline] genl_rcv_msg+0x43c/0x620 net/netlink/genetlink.c:1209 netlink_rcv_skb+0x238/0x414 net/netlink/af_netlink.c:2556 genl_rcv+0x38/0x50 net/netlink/genetlink.c:1218 netlink_unicast_kernel net/netlink/af_netlink.c:1319 [inline] netlink_unicast+0x600/0x7f8 net/netlink/af_netlink.c:1345 netlink_sendmsg+0x648/0x948 net/netlink/af_netlink.c:1900 sock_sendmsg_nosec net/socket.c:775 [inline] __sock_sendmsg+0xc8/0x17c net/socket.c:790 ____sys_sendmsg+0x3d0/0x6c8 net/socket.c:2684 ___sys_sendmsg+0x198/0x224 net/socket.c:2738 __sys_sendmsg+0x158/0x204 net/socket.c:2770 __do_sys_sendmsg net/socket.c:2775 [inline] __se_sys_sendmsg net/socket.c:2773 [inline] __arm64_sys_sendmsg+0x80/0x94 net/socket.c:2773 __invoke_syscall arch/arm64/kernel/syscall.c:35 [inline] invoke_syscall+0x98/0x244 arch/arm64/kernel/syscall.c:49 el0_svc_common+0xec/0x23c arch/arm64/kernel/syscall.c:121 do_el0_svc+0x4c/0x5c arch/arm64/kernel/syscall.c:140 el0_svc+0x64/0x260 arch/arm64/kernel/entry-common.c:736 el0t_64_sync_handler+0x48/0x148 arch/arm64/kernel/entry-common.c:755 el0t_64_sync+0x198/0x19c arch/arm64/kernel/entry.S:594 final repro crashed as (corrupted=false): nbd0: detected capacity change from 0 to 87 block nbd0: reconnected socket ====================================================== WARNING: possible circular locking dependency detected syzkaller #0 Not tainted ------------------------------------------------------ syz.0.18/4919 is trying to acquire lock: ffff0000c5e5cfc0 (&q->elevator_lock){+.+.}-{4:4}, at: elevator_change+0x188/0x35c block/elevator.c:679 but task is already holding lock: ffff0000c5e5caa0 (&q->q_usage_counter(io)#34){++++}-{0:0}, at: blk_mq_freeze_queue_nomemsave+0x20/0x38 block/blk-mq.c:206 which lock already depends on the new lock. the existing dependency chain (in reverse order) is: -> #6 (&q->q_usage_counter(io)#34){++++}-{0:0}: blk_alloc_queue+0x488/0x590 block/blk-core.c:504 blk_mq_alloc_queue+0x148/0x284 block/blk-mq.c:4420 __blk_mq_alloc_disk+0x38/0x10c block/blk-mq.c:4467 nbd_dev_add+0x3d0/0x880 drivers/block/nbd.c:1991 nbd_init+0x15c/0x174 drivers/block/nbd.c:2729 do_one_initcall+0x274/0xc38 init/main.c:1347 do_initcall_level+0x12c/0x1c4 init/main.c:1409 do_initcalls+0x70/0xd0 init/main.c:1425 do_basic_setup+0x7c/0x90 init/main.c:1445 kernel_init_freeable+0x268/0x3a8 init/main.c:1658 kernel_init+0x24/0x1dc init/main.c:1548 ret_from_fork+0x10/0x20 arch/arm64/kernel/entry.S:842 -> #5 (fs_reclaim){+.+.}-{0:0}: __fs_reclaim_acquire mm/page_alloc.c:4329 [inline] fs_reclaim_acquire+0x90/0x110 mm/page_alloc.c:4343 might_alloc include/linux/sched/mm.h:317 [inline] slab_pre_alloc_hook mm/slub.c:4565 [inline] slab_alloc_node mm/slub.c:4925 [inline] __kmalloc_cache_node_noprof+0x64/0x60c mm/slub.c:5530 _kmalloc_node_noprof include/linux/slab.h:1174 [inline] alloc_worker+0x5c/0x15c kernel/workqueue.c:2706 create_worker+0xc4/0x52c kernel/workqueue.c:2849 workqueue_prepare_cpu+0xe8/0x178 kernel/workqueue.c:6841 cpuhp_invoke_callback+0x388/0x6cc kernel/cpu.c:194 __cpuhp_invoke_callback_range+0x13c/0x238 kernel/cpu.c:972 cpuhp_invoke_callback_range kernel/cpu.c:996 [inline] cpuhp_up_callbacks kernel/cpu.c:1027 [inline] _cpu_up+0x348/0x5ec kernel/cpu.c:1674 cpu_up+0x278/0x30c kernel/cpu.c:1706 cpuhp_bringup_mask+0x88/0xe4 kernel/cpu.c:1772 bringup_nonboot_cpus+0x20/0x24 kernel/cpu.c:1880 smp_init+0x38/0xf8 kernel/smp.c:1014 kernel_init_freeable+0x250/0x3a8 init/main.c:1650 kernel_init+0x24/0x1dc init/main.c:1548 ret_from_fork+0x10/0x20 arch/arm64/kernel/entry.S:842 -> #4 (cpu_hotplug_lock){++++}-{0:0}: percpu_down_read_internal include/linux/percpu-rwsem.h:53 [inline] percpu_down_read include/linux/percpu-rwsem.h:77 [inline] cpus_read_lock+0x58/0x25c kernel/cpu.c:490 static_key_slow_inc+0x1c/0x40 kernel/jump_label.c:190 sk_set_memalloc+0x6c/0xa0 net/core/sock.c:306 nbd_reconnect_socket drivers/block/nbd.c:1379 [inline] nbd_genl_reconfigure+0xb50/0x1430 drivers/block/nbd.c:2468 genl_family_rcv_msg_doit+0x1e4/0x2d4 net/netlink/genetlink.c:1114 genl_family_rcv_msg net/netlink/genetlink.c:1194 [inline] genl_rcv_msg+0x43c/0x620 net/netlink/genetlink.c:1209 netlink_rcv_skb+0x238/0x414 net/netlink/af_netlink.c:2556 genl_rcv+0x38/0x50 net/netlink/genetlink.c:1218 netlink_unicast_kernel net/netlink/af_netlink.c:1319 [inline] netlink_unicast+0x600/0x7f8 net/netlink/af_netlink.c:1345 netlink_sendmsg+0x648/0x948 net/netlink/af_netlink.c:1900 sock_sendmsg_nosec net/socket.c:775 [inline] __sock_sendmsg+0xc8/0x17c net/socket.c:790 ____sys_sendmsg+0x3d0/0x6c8 net/socket.c:2684 ___sys_sendmsg+0x198/0x224 net/socket.c:2738 __sys_sendmsg+0x158/0x204 net/socket.c:2770 __do_sys_sendmsg net/socket.c:2775 [inline] __se_sys_sendmsg net/socket.c:2773 [inline] __arm64_sys_sendmsg+0x80/0x94 net/socket.c:2773 __invoke_syscall arch/arm64/kernel/syscall.c:35 [inline] invoke_syscall+0x98/0x244 arch/arm64/kernel/syscall.c:49 el0_svc_common+0xec/0x23c arch/arm64/kernel/syscall.c:121 do_el0_svc+0x4c/0x5c arch/arm64/kernel/syscall.c:140 el0_svc+0x64/0x260 arch/arm64/kernel/entry-common.c:736 el0t_64_sync_handler+0x48/0x148 arch/arm64/kernel/entry-common.c:755 el0t_64_sync+0x198/0x19c arch/arm64/kernel/entry.S:594 -> #3 (&nsock->tx_lock){+.+.}-{4:4}: __mutex_lock_common kernel/locking/mutex.c:646 [inline] __mutex_lock+0x164/0xf14 kernel/locking/mutex.c:821 mutex_lock_nested+0x24/0x30 kernel/locking/mutex.c:874 nbd_handle_cmd drivers/block/nbd.c:1143 [inline] nbd_queue_rq+0x1f4/0xbd8 drivers/block/nbd.c:1207 blk_mq_dispatch_rq_list+0x3d4/0x13a8 block/blk-mq.c:2117 __blk_mq_do_dispatch_sched block/blk-mq-sched.c:168 [inline] blk_mq_do_dispatch_sched block/blk-mq-sched.c:182 [inline] __blk_mq_sched_dispatch_requests+0xa48/0x10e8 block/blk-mq-sched.c:307 blk_mq_sched_dispatch_requests+0xa8/0x158 block/blk-mq-sched.c:329 blk_mq_run_work_fn+0x154/0x2e4 block/blk-mq.c:2532 process_one_work kernel/workqueue.c:3322 [inline] process_scheduled_works+0x788/0x10b8 kernel/workqueue.c:3405 worker_thread+0x798/0xbd0 kernel/workqueue.c:3486 kthread+0x304/0x3d4 kernel/kthread.c:436 ret_from_fork+0x10/0x20 arch/arm64/kernel/entry.S:842 -> #2 (&cmd->lock){+.+.}-{4:4}: __mutex_lock_common kernel/locking/mutex.c:646 [inline] __mutex_lock+0x164/0xf14 kernel/locking/mutex.c:821 mutex_lock_nested+0x24/0x30 kernel/locking/mutex.c:874 nbd_queue_rq+0xb0/0xbd8 drivers/block/nbd.c:1199 blk_mq_dispatch_rq_list+0x3d4/0x13a8 block/blk-mq.c:2117 __blk_mq_do_dispatch_sched block/blk-mq-sched.c:168 [inline] blk_mq_do_dispatch_sched block/blk-mq-sched.c:182 [inline] __blk_mq_sched_dispatch_requests+0xa48/0x10e8 block/blk-mq-sched.c:307 blk_mq_sched_dispatch_requests+0xa8/0x158 block/blk-mq-sched.c:329 blk_mq_run_work_fn+0x154/0x2e4 block/blk-mq.c:2532 process_one_work kernel/workqueue.c:3322 [inline] process_scheduled_works+0x788/0x10b8 kernel/workqueue.c:3405 worker_thread+0x798/0xbd0 kernel/workqueue.c:3486 kthread+0x304/0x3d4 kernel/kthread.c:436 ret_from_fork+0x10/0x20 arch/arm64/kernel/entry.S:842 -> #1 (set->srcu){.+.+}-{0:0}: srcu_lock_sync include/linux/srcu.h:199 [inline] __synchronize_srcu+0xc8/0x268 kernel/rcu/srcutree.c:1481 synchronize_srcu+0x41c/0x5d4 kernel/rcu/srcutree.c:-1 blk_mq_wait_quiesce_done+0x88/0xac block/blk-mq.c:284 blk_mq_quiesce_queue+0x70/0x8c block/blk-mq.c:304 elevator_switch+0x128/0x38c block/elevator.c:576 elevator_change+0x204/0x35c block/elevator.c:681 elevator_set_default+0x190/0x2b0 block/elevator.c:754 blk_register_queue+0x2fc/0x3d4 block/blk-sysfs.c:992 __add_disk+0x558/0xb44 block/genhd.c:524 add_disk_fwnode+0xd4/0x340 block/genhd.c:593 device_add_disk+0x38/0x4c block/genhd.c:623 add_disk include/linux/blkdev.h:800 [inline] nbd_dev_add+0x598/0x880 drivers/block/nbd.c:2021 nbd_init+0x15c/0x174 drivers/block/nbd.c:2729 do_one_initcall+0x274/0xc38 init/main.c:1347 do_initcall_level+0x12c/0x1c4 init/main.c:1409 do_initcalls+0x70/0xd0 init/main.c:1425 do_basic_setup+0x7c/0x90 init/main.c:1445 kernel_init_freeable+0x268/0x3a8 init/main.c:1658 kernel_init+0x24/0x1dc init/main.c:1548 ret_from_fork+0x10/0x20 arch/arm64/kernel/entry.S:842 -> #0 (&q->elevator_lock){+.+.}-{4:4}: check_prev_add kernel/locking/lockdep.c:3165 [inline] check_prevs_add kernel/locking/lockdep.c:3284 [inline] validate_chain kernel/locking/lockdep.c:3908 [inline] __lock_acquire+0x17c0/0x2ebc kernel/locking/lockdep.c:5237 lock_acquire+0x140/0x364 kernel/locking/lockdep.c:5868 __mutex_lock_common kernel/locking/mutex.c:646 [inline] __mutex_lock+0x164/0xf14 kernel/locking/mutex.c:821 mutex_lock_nested+0x24/0x30 kernel/locking/mutex.c:874 elevator_change+0x188/0x35c block/elevator.c:679 elevator_set_none+0xa8/0x13c block/elevator.c:769 blk_mq_elv_switch_none block/blk-mq.c:5101 [inline] __blk_mq_update_nr_hw_queues block/blk-mq.c:5146 [inline] blk_mq_update_nr_hw_queues+0x4c4/0x11e0 block/blk-mq.c:5211 nbd_start_device+0x15c/0xa44 drivers/block/nbd.c:1526 nbd_genl_connect+0xffc/0x15d4 drivers/block/nbd.c:2276 genl_family_rcv_msg_doit+0x1e4/0x2d4 net/netlink/genetlink.c:1114 genl_family_rcv_msg net/netlink/genetlink.c:1194 [inline] genl_rcv_msg+0x43c/0x620 net/netlink/genetlink.c:1209 netlink_rcv_skb+0x238/0x414 net/netlink/af_netlink.c:2556 genl_rcv+0x38/0x50 net/netlink/genetlink.c:1218 netlink_unicast_kernel net/netlink/af_netlink.c:1319 [inline] netlink_unicast+0x600/0x7f8 net/netlink/af_netlink.c:1345 netlink_sendmsg+0x648/0x948 net/netlink/af_netlink.c:1900 sock_sendmsg_nosec net/socket.c:775 [inline] __sock_sendmsg+0xc8/0x17c net/socket.c:790 ____sys_sendmsg+0x3d0/0x6c8 net/socket.c:2684 ___sys_sendmsg+0x198/0x224 net/socket.c:2738 __sys_sendmsg+0x158/0x204 net/socket.c:2770 __do_sys_sendmsg net/socket.c:2775 [inline] __se_sys_sendmsg net/socket.c:2773 [inline] __arm64_sys_sendmsg+0x80/0x94 net/socket.c:2773 __invoke_syscall arch/arm64/kernel/syscall.c:35 [inline] invoke_syscall+0x98/0x244 arch/arm64/kernel/syscall.c:49 el0_svc_common+0xec/0x23c arch/arm64/kernel/syscall.c:121 do_el0_svc+0x4c/0x5c arch/arm64/kernel/syscall.c:140 el0_svc+0x64/0x260 arch/arm64/kernel/entry-common.c:736 el0t_64_sync_handler+0x48/0x148 arch/arm64/kernel/entry-common.c:755 el0t_64_sync+0x198/0x19c arch/arm64/kernel/entry.S:594 other info that might help us debug this: Chain exists of: &q->elevator_lock --> fs_reclaim --> &q->q_usage_counter(io)#34 Possible unsafe locking scenario: CPU0 CPU1 ---- ---- lock(&q->q_usage_counter(io)#34); lock(fs_reclaim); lock(&q->q_usage_counter(io)#34); lock(&q->elevator_lock); *** DEADLOCK *** 6 locks held by syz.0.18/4919: #0: ffff800089e0a788 (cb_lock){++++}-{4:4}, at: genl_rcv+0x28/0x50 net/netlink/genetlink.c:1217 #1: ffff800089e0a5c0 (genl_mutex){+.+.}-{4:4}, at: genl_lock net/netlink/genetlink.c:35 [inline] #1: ffff800089e0a5c0 (genl_mutex){+.+.}-{4:4}, at: genl_op_lock net/netlink/genetlink.c:60 [inline] #1: ffff800089e0a5c0 (genl_mutex){+.+.}-{4:4}, at: genl_rcv_msg+0xec/0x620 net/netlink/genetlink.c:1208 #2: ffff0000c4e0b9c0 (&set->update_nr_hwq_lock){++++}-{4:4}, at: blk_mq_update_nr_hw_queues+0x98/0x11e0 block/blk-mq.c:5209 #3: ffff0000c4e0b8d0 (&set->tag_list_lock){+.+.}-{4:4}, at: blk_mq_update_nr_hw_queues+0xa4/0x11e0 block/blk-mq.c:5210 #4: ffff0000c5e5caa0 (&q->q_usage_counter(io)#34){++++}-{0:0}, at: blk_mq_freeze_queue_nomemsave+0x20/0x38 block/blk-mq.c:206 #5: ffff0000c5e5cad8 (&q->q_usage_counter(queue)#18){+.+.}-{0:0}, at: blk_mq_freeze_queue_nomemsave+0x20/0x38 block/blk-mq.c:206 stack backtrace: CPU: 0 UID: 0 PID: 4919 Comm: syz.0.18 Not tainted syzkaller #0 PREEMPT Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/02/2026 Call trace: show_stack+0x2c/0x3c arch/arm64/kernel/stacktrace.c:499 (C) __dump_stack+0x30/0x40 lib/dump_stack.c:94 dump_stack_lvl+0xd8/0x12c lib/dump_stack.c:120 dump_stack+0x1c/0x28 lib/dump_stack.c:129 print_circular_bug+0x328/0x330 kernel/locking/lockdep.c:2043 check_noncircular+0x158/0x174 kernel/locking/lockdep.c:2175 check_prev_add kernel/locking/lockdep.c:3165 [inline] check_prevs_add kernel/locking/lockdep.c:3284 [inline] validate_chain kernel/locking/lockdep.c:3908 [inline] __lock_acquire+0x17c0/0x2ebc kernel/locking/lockdep.c:5237 lock_acquire+0x140/0x364 kernel/locking/lockdep.c:5868 __mutex_lock_common kernel/locking/mutex.c:646 [inline] __mutex_lock+0x164/0xf14 kernel/locking/mutex.c:821 mutex_lock_nested+0x24/0x30 kernel/locking/mutex.c:874 elevator_change+0x188/0x35c block/elevator.c:679 elevator_set_none+0xa8/0x13c block/elevator.c:769 blk_mq_elv_switch_none block/blk-mq.c:5101 [inline] __blk_mq_update_nr_hw_queues block/blk-mq.c:5146 [inline] blk_mq_update_nr_hw_queues+0x4c4/0x11e0 block/blk-mq.c:5211 nbd_start_device+0x15c/0xa44 drivers/block/nbd.c:1526 nbd_genl_connect+0xffc/0x15d4 drivers/block/nbd.c:2276 genl_family_rcv_msg_doit+0x1e4/0x2d4 net/netlink/genetlink.c:1114 genl_family_rcv_msg net/netlink/genetlink.c:1194 [inline] genl_rcv_msg+0x43c/0x620 net/netlink/genetlink.c:1209 netlink_rcv_skb+0x238/0x414 net/netlink/af_netlink.c:2556 genl_rcv+0x38/0x50 net/netlink/genetlink.c:1218 netlink_unicast_kernel net/netlink/af_netlink.c:1319 [inline] netlink_unicast+0x600/0x7f8 net/netlink/af_netlink.c:1345 netlink_sendmsg+0x648/0x948 net/netlink/af_netlink.c:1900 sock_sendmsg_nosec net/socket.c:775 [inline] __sock_sendmsg+0xc8/0x17c net/socket.c:790 ____sys_sendmsg+0x3d0/0x6c8 net/socket.c:2684 ___sys_sendmsg+0x198/0x224 net/socket.c:2738 __sys_sendmsg+0x158/0x204 net/socket.c:2770 __do_sys_sendmsg net/socket.c:2775 [inline] __se_sys_sendmsg net/socket.c:2773 [inline] __arm64_sys_sendmsg+0x80/0x94 net/socket.c:2773 __invoke_syscall arch/arm64/kernel/syscall.c:35 [inline] invoke_syscall+0x98/0x244 arch/arm64/kernel/syscall.c:49 el0_svc_common+0xec/0x23c arch/arm64/kernel/syscall.c:121 do_el0_svc+0x4c/0x5c arch/arm64/kernel/syscall.c:140 el0_svc+0x64/0x260 arch/arm64/kernel/entry-common.c:736 el0t_64_sync_handler+0x48/0x148 arch/arm64/kernel/entry-common.c:755 el0t_64_sync+0x198/0x19c arch/arm64/kernel/entry.S:594