Extracting prog: 1m33.354206503s Minimizing prog: 47m59.822815391s Simplifying prog options: 0s Extracting C: 1m32.966599336s Simplifying C: 11m4.291997598s extracting reproducer from 37 programs first checking the prog from the crash report 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 LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): socket-socket$inet6_tcp-syz_io_uring_setup-socket$pptp-socket$inet-socket$inet6_sctp-bpf$BPF_PROG_RAW_TRACEPOINT_LOAD-syz_init_net_socket$nl_generic-syz_genetlink_get_family_id$nbd-socketpair$nbd-sendmsg$NBD_CMD_CONNECT detailed listing: executing program 0: socket(0x22, 0x2, 0x4) socket$inet6_tcp(0xa, 0x1, 0x0) syz_io_uring_setup(0xefe, &(0x7f0000000080)={0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0}, 0x0, 0x0) socket$pptp(0x18, 0x1, 0x2) socket$inet(0xa, 0x801, 0x0) socket$inet6_sctp(0xa, 0x5, 0x84) bpf$BPF_PROG_RAW_TRACEPOINT_LOAD(0x5, &(0x7f0000000140)={0x0, 0x4, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, '\x00', 0x0, 0x24, 0xffffffffffffffff, 0x8, 0x0, 0x0, 0x10, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x10, 0x0, @void, @value}, 0x90) r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000380), r0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000200)={0xffffffffffffffff}) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000000c0)=ANY=[@ANYBLOB="90000000", @ANYRES16=r1, @ANYBLOB="01000000000000000000010000000c00060003000000000000000c0002000000000000000000040007800c000800000000000000000008000a00000000004400078008000100", @ANYRES32, @ANYBLOB="38000100", @ANYRES32=r2, @ANYBLOB="64800400", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="080001"], 0x90}}, 0x0) (fail_nth: 39) program crashed: possible deadlock in timer_delete_sync single: successfully extracted reproducer found reproducer with 11 syscalls minimizing guilty program testing program (duration=52.424520738s, {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 LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): socket-socket$inet6_tcp-syz_io_uring_setup-socket$pptp-socket$inet-socket$inet6_sctp-bpf$BPF_PROG_RAW_TRACEPOINT_LOAD-syz_init_net_socket$nl_generic-syz_genetlink_get_family_id$nbd-socketpair$nbd detailed listing: executing program 0: socket(0x22, 0x2, 0x4) socket$inet6_tcp(0xa, 0x1, 0x0) syz_io_uring_setup(0xefe, &(0x7f0000000080)={0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0}, 0x0, 0x0) socket$pptp(0x18, 0x1, 0x2) socket$inet(0xa, 0x801, 0x0) socket$inet6_sctp(0xa, 0x5, 0x84) bpf$BPF_PROG_RAW_TRACEPOINT_LOAD(0x5, &(0x7f0000000140)={0x0, 0x4, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, '\x00', 0x0, 0x24, 0xffffffffffffffff, 0x8, 0x0, 0x0, 0x10, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x10, 0x0, @void, @value}, 0x90) r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000380), r0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000200)) program did not crash testing program (duration=52.424520738s, {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 LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): socket-socket$inet6_tcp-syz_io_uring_setup-socket$pptp-socket$inet-socket$inet6_sctp-bpf$BPF_PROG_RAW_TRACEPOINT_LOAD-syz_init_net_socket$nl_generic-syz_genetlink_get_family_id$nbd-sendmsg$NBD_CMD_CONNECT detailed listing: executing program 0: socket(0x22, 0x2, 0x4) socket$inet6_tcp(0xa, 0x1, 0x0) syz_io_uring_setup(0xefe, &(0x7f0000000080)={0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0}, 0x0, 0x0) socket$pptp(0x18, 0x1, 0x2) socket$inet(0xa, 0x801, 0x0) socket$inet6_sctp(0xa, 0x5, 0x84) bpf$BPF_PROG_RAW_TRACEPOINT_LOAD(0x5, &(0x7f0000000140)={0x0, 0x4, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, '\x00', 0x0, 0x24, 0xffffffffffffffff, 0x8, 0x0, 0x0, 0x10, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x10, 0x0, @void, @value}, 0x90) r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000380), r0) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000000c0)=ANY=[@ANYBLOB="90000000", @ANYRES16=r1, @ANYBLOB="01000000000000000000010000000c00060003000000000000000c0002000000000000000000040007800c000800000000000000000008000a00000000004400078008000100", @ANYRES32, @ANYBLOB="38000100", @ANYRES32, @ANYBLOB="64800400", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="080001"], 0x90}}, 0x0) (fail_nth: 39) program crashed: possible deadlock in timer_delete_sync testing program (duration=52.424520738s, {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 LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): socket-socket$inet6_tcp-syz_io_uring_setup-socket$pptp-socket$inet-socket$inet6_sctp-bpf$BPF_PROG_RAW_TRACEPOINT_LOAD-syz_init_net_socket$nl_generic-sendmsg$NBD_CMD_CONNECT detailed listing: executing program 0: socket(0x22, 0x2, 0x4) socket$inet6_tcp(0xa, 0x1, 0x0) syz_io_uring_setup(0xefe, &(0x7f0000000080)={0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0}, 0x0, 0x0) socket$pptp(0x18, 0x1, 0x2) socket$inet(0xa, 0x801, 0x0) socket$inet6_sctp(0xa, 0x5, 0x84) bpf$BPF_PROG_RAW_TRACEPOINT_LOAD(0x5, &(0x7f0000000140)={0x0, 0x4, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, '\x00', 0x0, 0x24, 0xffffffffffffffff, 0x8, 0x0, 0x0, 0x10, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x10, 0x0, @void, @value}, 0x90) r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000000c0)=ANY=[@ANYBLOB="90000000", @ANYRES16, @ANYBLOB="01000000000000000000010000000c00060003000000000000000c0002000000000000000000040007800c000800000000000000000008000a00000000004400078008000100", @ANYRES32, @ANYBLOB="38000100", @ANYRES32, @ANYBLOB="64800400", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="080001"], 0x90}}, 0x0) (fail_nth: 39) program did not crash testing program (duration=52.424520738s, {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 LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): socket-socket$inet6_tcp-syz_io_uring_setup-socket$pptp-socket$inet-socket$inet6_sctp-bpf$BPF_PROG_RAW_TRACEPOINT_LOAD-syz_genetlink_get_family_id$nbd-sendmsg$NBD_CMD_CONNECT detailed listing: executing program 0: socket(0x22, 0x2, 0x4) socket$inet6_tcp(0xa, 0x1, 0x0) syz_io_uring_setup(0xefe, &(0x7f0000000080)={0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0}, 0x0, 0x0) socket$pptp(0x18, 0x1, 0x2) socket$inet(0xa, 0x801, 0x0) socket$inet6_sctp(0xa, 0x5, 0x84) bpf$BPF_PROG_RAW_TRACEPOINT_LOAD(0x5, &(0x7f0000000140)={0x0, 0x4, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, '\x00', 0x0, 0x24, 0xffffffffffffffff, 0x8, 0x0, 0x0, 0x10, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x10, 0x0, @void, @value}, 0x90) r0 = syz_genetlink_get_family_id$nbd(&(0x7f0000000380), 0xffffffffffffffff) sendmsg$NBD_CMD_CONNECT(0xffffffffffffffff, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000000c0)=ANY=[@ANYBLOB="90000000", @ANYRES16=r0, @ANYBLOB="01000000000000000000010000000c00060003000000000000000c0002000000000000000000040007800c000800000000000000000008000a00000000004400078008000100", @ANYRES32, @ANYBLOB="38000100", @ANYRES32, @ANYBLOB="64800400", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="080001"], 0x90}}, 0x0) (fail_nth: 39) program did not crash testing program (duration=52.424520738s, {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 LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): socket-socket$inet6_tcp-syz_io_uring_setup-socket$pptp-socket$inet-socket$inet6_sctp-syz_init_net_socket$nl_generic-syz_genetlink_get_family_id$nbd-sendmsg$NBD_CMD_CONNECT detailed listing: executing program 0: socket(0x22, 0x2, 0x4) socket$inet6_tcp(0xa, 0x1, 0x0) syz_io_uring_setup(0xefe, &(0x7f0000000080)={0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0}, 0x0, 0x0) socket$pptp(0x18, 0x1, 0x2) socket$inet(0xa, 0x801, 0x0) socket$inet6_sctp(0xa, 0x5, 0x84) r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000380), r0) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000000c0)=ANY=[@ANYBLOB="90000000", @ANYRES16=r1, @ANYBLOB="01000000000000000000010000000c00060003000000000000000c0002000000000000000000040007800c000800000000000000000008000a00000000004400078008000100", @ANYRES32, @ANYBLOB="38000100", @ANYRES32, @ANYBLOB="64800400", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="080001"], 0x90}}, 0x0) (fail_nth: 39) program crashed: possible deadlock in timer_delete_sync testing program (duration=52.424520738s, {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 LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): socket-socket$inet6_tcp-syz_io_uring_setup-socket$pptp-socket$inet-syz_init_net_socket$nl_generic-syz_genetlink_get_family_id$nbd-sendmsg$NBD_CMD_CONNECT detailed listing: executing program 0: socket(0x22, 0x2, 0x4) socket$inet6_tcp(0xa, 0x1, 0x0) syz_io_uring_setup(0xefe, &(0x7f0000000080)={0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0}, 0x0, 0x0) socket$pptp(0x18, 0x1, 0x2) socket$inet(0xa, 0x801, 0x0) r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000380), r0) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000000c0)=ANY=[@ANYBLOB="90000000", @ANYRES16=r1, @ANYBLOB="01000000000000000000010000000c00060003000000000000000c0002000000000000000000040007800c000800000000000000000008000a00000000004400078008000100", @ANYRES32, @ANYBLOB="38000100", @ANYRES32, @ANYBLOB="64800400", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="080001"], 0x90}}, 0x0) (fail_nth: 39) program crashed: possible deadlock in timer_delete_sync testing program (duration=52.424520738s, {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 LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): socket-socket$inet6_tcp-syz_io_uring_setup-socket$pptp-syz_init_net_socket$nl_generic-syz_genetlink_get_family_id$nbd-sendmsg$NBD_CMD_CONNECT detailed listing: executing program 0: socket(0x22, 0x2, 0x4) socket$inet6_tcp(0xa, 0x1, 0x0) syz_io_uring_setup(0xefe, &(0x7f0000000080)={0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0}, 0x0, 0x0) socket$pptp(0x18, 0x1, 0x2) r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000380), r0) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000000c0)=ANY=[@ANYBLOB="90000000", @ANYRES16=r1, @ANYBLOB="01000000000000000000010000000c00060003000000000000000c0002000000000000000000040007800c000800000000000000000008000a00000000004400078008000100", @ANYRES32, @ANYBLOB="38000100", @ANYRES32, @ANYBLOB="64800400", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="080001"], 0x90}}, 0x0) (fail_nth: 39) program crashed: possible deadlock in timer_delete_sync testing program (duration=52.424520738s, {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 LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): socket-socket$inet6_tcp-syz_io_uring_setup-syz_init_net_socket$nl_generic-syz_genetlink_get_family_id$nbd-sendmsg$NBD_CMD_CONNECT detailed listing: executing program 0: socket(0x22, 0x2, 0x4) socket$inet6_tcp(0xa, 0x1, 0x0) syz_io_uring_setup(0xefe, &(0x7f0000000080)={0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0}, 0x0, 0x0) r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000380), r0) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000000c0)=ANY=[@ANYBLOB="90000000", @ANYRES16=r1, @ANYBLOB="01000000000000000000010000000c00060003000000000000000c0002000000000000000000040007800c000800000000000000000008000a00000000004400078008000100", @ANYRES32, @ANYBLOB="38000100", @ANYRES32, @ANYBLOB="64800400", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="080001"], 0x90}}, 0x0) (fail_nth: 39) program crashed: possible deadlock in timer_delete_sync testing program (duration=52.424520738s, {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 LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): socket-socket$inet6_tcp-syz_init_net_socket$nl_generic-syz_genetlink_get_family_id$nbd-sendmsg$NBD_CMD_CONNECT detailed listing: executing program 0: socket(0x22, 0x2, 0x4) socket$inet6_tcp(0xa, 0x1, 0x0) r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000380), r0) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000000c0)=ANY=[@ANYBLOB="90000000", @ANYRES16=r1, @ANYBLOB="01000000000000000000010000000c00060003000000000000000c0002000000000000000000040007800c000800000000000000000008000a00000000004400078008000100", @ANYRES32, @ANYBLOB="38000100", @ANYRES32, @ANYBLOB="64800400", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="080001"], 0x90}}, 0x0) (fail_nth: 39) program crashed: possible deadlock in timer_delete_sync testing program (duration=52.424520738s, {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 LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): socket-syz_init_net_socket$nl_generic-syz_genetlink_get_family_id$nbd-sendmsg$NBD_CMD_CONNECT detailed listing: executing program 0: socket(0x22, 0x2, 0x4) r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000380), r0) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000000c0)=ANY=[@ANYBLOB="90000000", @ANYRES16=r1, @ANYBLOB="01000000000000000000010000000c00060003000000000000000c0002000000000000000000040007800c000800000000000000000008000a00000000004400078008000100", @ANYRES32, @ANYBLOB="38000100", @ANYRES32, @ANYBLOB="64800400", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="080001"], 0x90}}, 0x0) (fail_nth: 39) program crashed: possible deadlock in timer_delete_sync testing program (duration=52.424520738s, {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 LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): 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$nbd(&(0x7f0000000380), r0) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000000c0)=ANY=[@ANYBLOB="90000000", @ANYRES16=r1, @ANYBLOB="01000000000000000000010000000c00060003000000000000000c0002000000000000000000040007800c000800000000000000000008000a00000000004400078008000100", @ANYRES32, @ANYBLOB="38000100", @ANYRES32, @ANYBLOB="64800400", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="080001"], 0x90}}, 0x0) (fail_nth: 39) program crashed: possible deadlock in timer_delete_sync testing program (duration=52.424520738s, {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 LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): 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$nbd(&(0x7f0000000380), r0) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000000c0)=ANY=[@ANYBLOB="90000000", @ANYRES16=r1, @ANYBLOB="01000000000000000000010000000c00060003000000000000000c0002000000000000000000040007800c000800000000000000000008000a00000000004400078008000100", @ANYRES32, @ANYBLOB="38000100", @ANYRES32, @ANYBLOB="64800400", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="080001"], 0x90}}, 0x0) program did not crash testing program (duration=52.424520738s, {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 LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): 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$nbd(0x0, r0) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000000c0)=ANY=[@ANYBLOB="90000000", @ANYRES16=r1, @ANYBLOB="01000000000000000000010000000c00060003000000000000000c0002000000000000000000040007800c000800000000000000000008000a00000000004400078008000100", @ANYRES32, @ANYBLOB="38000100", @ANYRES32, @ANYBLOB="64800400", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="080001"], 0x90}}, 0x0) (fail_nth: 39) program did not crash testing program (duration=52.424520738s, {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 LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): 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) syz_genetlink_get_family_id$nbd(&(0x7f0000000380), r0) sendmsg$NBD_CMD_CONNECT(r0, 0x0, 0x0) (fail_nth: 39) program did not crash testing program (duration=52.424520738s, {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 LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): 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) syz_genetlink_get_family_id$nbd(&(0x7f0000000380), r0) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f00000002c0)={0x0, 0x0, 0x0}, 0x0) (fail_nth: 39) program did not crash testing program (duration=52.424520738s, {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 LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): 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) syz_genetlink_get_family_id$nbd(&(0x7f0000000380), r0) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={0x0, 0x90}}, 0x0) (fail_nth: 39) program did not crash testing program (duration=52.424520738s, {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 LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): 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) syz_genetlink_get_family_id$nbd(&(0x7f0000000380), r0) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000000c0)=ANY=[], 0x90}}, 0x0) (fail_nth: 39) program did not crash testing program (duration=52.424520738s, {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 LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): 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$nbd(&(0x7f0000000380), r0) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000000c0)=ANY=[@ANYBLOB="90000000", @ANYRES16=r1, @ANYBLOB="01000000000000000000010000000c00060003000000000000000c0002000000000000000000040007800c000800000000000000000008000a00000000004400078008000100", @ANYRES32, @ANYBLOB="38000100", @ANYRES32, @ANYBLOB="64800400", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB], 0x90}}, 0x0) (fail_nth: 39) program crashed: possible deadlock in timer_delete_sync testing program (duration=52.424520738s, {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 LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): 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$nbd(&(0x7f0000000380), r0) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000000c0)=ANY=[@ANYBLOB="90000000", @ANYRES16=r1, @ANYBLOB="01000000000000000000010000000c00060003000000000000000c0002000000000000000000040007800c000800000000000000000008000a00000000004400078008000100", @ANYRES32, @ANYBLOB="38000100", @ANYRES32, @ANYBLOB="64800400", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB, @ANYRES32, @ANYBLOB], 0x90}}, 0x0) (fail_nth: 39) program crashed: possible deadlock in timer_delete_sync testing program (duration=52.424520738s, {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 LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): 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$nbd(&(0x7f0000000380), r0) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000000c0)=ANY=[@ANYBLOB="90000000", @ANYRES16=r1, @ANYBLOB="01000000000000000000010000000c00060003000000000000000c0002000000000000000000040007800c000800000000000000000008000a00000000004400078008000100", @ANYRES32, @ANYBLOB="38000100", @ANYRES32, @ANYBLOB="64800400", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB, @ANYRES32, @ANYBLOB, @ANYRES32, @ANYBLOB], 0x90}}, 0x0) (fail_nth: 39) program crashed: possible deadlock in timer_delete_sync testing program (duration=52.424520738s, {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 LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): 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$nbd(&(0x7f0000000380), r0) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000000c0)=ANY=[@ANYBLOB="90000000", @ANYRES16=r1, @ANYBLOB="01000000000000000000010000000c00060003000000000000000c0002000000000000000000040007800c000800000000000000000008000a00000000004400078008000100", @ANYRES32, @ANYBLOB="38000100", @ANYRES32, @ANYBLOB="64800400", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB, @ANYRES32, @ANYBLOB, @ANYRES32, @ANYBLOB, @ANYRES32, @ANYBLOB], 0x90}}, 0x0) (fail_nth: 39) program crashed: possible deadlock in timer_delete_sync testing program (duration=52.424520738s, {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 LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): 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$nbd(&(0x7f0000000380), r0) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000000c0)=ANY=[@ANYBLOB="90000000", @ANYRES16=r1, @ANYBLOB="01000000000000000000010000000c00060003000000000000000c0002000000000000000000040007800c000800000000000000000008000a00000000004400078008000100", @ANYRES32, @ANYBLOB="38000100", @ANYRES32, @ANYBLOB="64800400", @ANYRES32, @ANYBLOB, @ANYRES32, @ANYBLOB, @ANYRES32, @ANYBLOB, @ANYRES32, @ANYBLOB, @ANYRES32, @ANYBLOB], 0x90}}, 0x0) (fail_nth: 39) program crashed: possible deadlock in timer_delete_sync testing program (duration=52.424520738s, {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 LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): 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$nbd(&(0x7f0000000380), r0) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000000c0)=ANY=[@ANYBLOB="90000000", @ANYRES16=r1, @ANYBLOB="01000000000000000000010000000c00060003000000000000000c0002000000000000000000040007800c000800000000000000000008000a00000000004400078008000100", @ANYRES32, @ANYBLOB="38000100", @ANYRES32, @ANYBLOB, @ANYRES32, @ANYBLOB, @ANYRES32, @ANYBLOB, @ANYRES32, @ANYBLOB, @ANYRES32, @ANYBLOB, @ANYRES32, @ANYBLOB], 0x90}}, 0x0) (fail_nth: 39) program crashed: possible deadlock in timer_delete_sync testing program (duration=52.424520738s, {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 LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): 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$nbd(&(0x7f0000000380), r0) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000000c0)=ANY=[@ANYBLOB="90000000", @ANYRES16=r1, @ANYBLOB="01000000000000000000010000000c00060003000000000000000c0002000000000000000000040007800c000800000000000000000008000a00000000004400078008000100", @ANYRES32, @ANYBLOB, @ANYRES32, @ANYBLOB, @ANYRES32, @ANYBLOB, @ANYRES32, @ANYBLOB, @ANYRES32, @ANYBLOB, @ANYRES32, @ANYBLOB, @ANYRES32, @ANYBLOB], 0x90}}, 0x0) (fail_nth: 39) program crashed: possible deadlock in timer_delete_sync testing program (duration=52.424520738s, {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 LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): 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$nbd(&(0x7f0000000380), r0) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000000c0)=ANY=[@ANYBLOB="90000000", @ANYRES16=r1, @ANYBLOB, @ANYRES32, @ANYBLOB, @ANYRES32, @ANYBLOB, @ANYRES32, @ANYBLOB, @ANYRES32, @ANYBLOB, @ANYRES32, @ANYBLOB, @ANYRES32, @ANYBLOB, @ANYRES32, @ANYBLOB], 0x90}}, 0x0) (fail_nth: 39) program did not crash testing program (duration=52.424520738s, {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 LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): 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$nbd(&(0x7f0000000380), r0) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000000c0)=ANY=[@ANYBLOB, @ANYRES16=r1, @ANYBLOB="01000000000000000000010000000c00060003000000000000000c0002000000000000000000040007800c000800000000000000000008000a00000000004400078008000100", @ANYRES32, @ANYBLOB, @ANYRES32, @ANYBLOB, @ANYRES32, @ANYBLOB, @ANYRES32, @ANYBLOB, @ANYRES32, @ANYBLOB, @ANYRES32, @ANYBLOB, @ANYRES32, @ANYBLOB], 0x90}}, 0x0) (fail_nth: 39) program did not crash testing program (duration=52.424520738s, {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 LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): 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$nbd(&(0x7f0000000380), r0) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000000c0)=ANY=[@ANYBLOB="90000000", @ANYRES16=r1, @ANYBLOB="01000000000000000000010000000c00060003000000000000000c0002000000000000000000040007800c000800000000000000000008000a00000000004400078008000100", @ANYRES32, @ANYBLOB, @ANYRES32, @ANYBLOB, @ANYRES32, @ANYBLOB, @ANYRES32, @ANYBLOB, @ANYRES32, @ANYBLOB, @ANYRES32, @ANYBLOB, @ANYRES32, @ANYBLOB], 0x90}}, 0x0) program did not crash extracting C reproducer testing compiled C program (duration=52.424520738s, {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 LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_init_net_socket$nl_generic-syz_genetlink_get_family_id$nbd-sendmsg$NBD_CMD_CONNECT program crashed: possible deadlock in timer_delete_sync simplifying C reproducer testing compiled C program (duration=52.424520738s, {Threaded:false Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_init_net_socket$nl_generic-syz_genetlink_get_family_id$nbd-sendmsg$NBD_CMD_CONNECT program crashed: possible deadlock in timer_delete_sync testing compiled C program (duration=52.424520738s, {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 LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_init_net_socket$nl_generic-syz_genetlink_get_family_id$nbd-sendmsg$NBD_CMD_CONNECT program did not crash testing compiled C program (duration=52.424520738s, {Threaded:false Repeat:true RepeatTimes:0 Procs:1 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_init_net_socket$nl_generic-syz_genetlink_get_family_id$nbd-sendmsg$NBD_CMD_CONNECT program crashed: possible deadlock in timer_delete_sync testing compiled C program (duration=52.424520738s, {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 LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_init_net_socket$nl_generic-syz_genetlink_get_family_id$nbd-sendmsg$NBD_CMD_CONNECT program crashed: possible deadlock in timer_delete_sync testing compiled C program (duration=52.424520738s, {Threaded:false Repeat:true RepeatTimes:0 Procs:1 Slowdown:1 Sandbox: SandboxArg:0 Leak:false NetInjection:false NetDevices:false NetReset:false Cgroups:false BinfmtMisc:false CloseFDs:false KCSAN:false DevlinkPCI:false NicVF:false USB:false VhciInjection:false Wifi:false IEEE802154:false Sysctl:true Swap:false UseTmpDir:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_init_net_socket$nl_generic-syz_genetlink_get_family_id$nbd-sendmsg$NBD_CMD_CONNECT program crashed: possible deadlock in timer_delete_sync testing compiled C program (duration=52.424520738s, {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 LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_init_net_socket$nl_generic-syz_genetlink_get_family_id$nbd-sendmsg$NBD_CMD_CONNECT program crashed: possible deadlock in timer_delete_sync testing compiled C program (duration=52.424520738s, {Threaded:false Repeat:true RepeatTimes:0 Procs:1 Slowdown:1 Sandbox: SandboxArg:0 Leak:false NetInjection:false NetDevices:false NetReset:false Cgroups:false BinfmtMisc:false CloseFDs:false KCSAN:false DevlinkPCI:false NicVF:false USB:false VhciInjection:false Wifi:false IEEE802154:false Sysctl:true Swap:false UseTmpDir:false HandleSegv:false Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_init_net_socket$nl_generic-syz_genetlink_get_family_id$nbd-sendmsg$NBD_CMD_CONNECT program crashed: possible deadlock in timer_delete_sync testing compiled C program (duration=52.424520738s, {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 LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_init_net_socket$nl_generic-syz_genetlink_get_family_id$nbd-sendmsg$NBD_CMD_CONNECT program crashed: possible deadlock in timer_delete_sync reproducing took 1h2m10.435672138s repro crashed as (corrupted=false): do_el0_svc+0x58/0x13c arch/arm64/kernel/syscall.c:204 el0_svc+0x58/0x168 arch/arm64/kernel/entry-common.c:637 el0t_64_sync_handler+0x84/0xf0 arch/arm64/kernel/entry-common.c:655 el0t_64_sync+0x18c/0x190 arch/arm64/kernel/entry.S:585 ====================================================== WARNING: possible circular locking dependency detected 6.1.123-syzkaller #0 Not tainted ------------------------------------------------------ syz-executor505/4327 is trying to acquire lock: ffff0000da90e0a8 ((&sq->pending_timer)){+.-.}-{0:0}, at: timer_delete_sync+0x74/0x210 kernel/time/timer.c:1448 but task is already holding lock: ffff80001ce537b0 (&blkcg->lock){....}-{2:2}, at: spin_lock include/linux/spinlock.h:351 [inline] ffff80001ce537b0 (&blkcg->lock){....}-{2:2}, at: blkcg_deactivate_policy+0x1ac/0x4a8 block/blk-cgroup.c:1493 which lock already depends on the new lock. the existing dependency chain (in reverse order) is: -> #2 (&blkcg->lock){....}-{2:2}: __raw_spin_lock include/linux/spinlock_api_smp.h:133 [inline] _raw_spin_lock+0x54/0x6c kernel/locking/spinlock.c:154 spin_lock include/linux/spinlock.h:351 [inline] blkg_create+0x9f4/0x1158 block/blk-cgroup.c:320 blkcg_init_disk+0xd0/0x318 block/blk-cgroup.c:1259 __alloc_disk_node+0x26c/0x484 block/genhd.c:1412 __blk_alloc_disk+0x40/0xbc block/genhd.c:1451 brd_alloc+0x324/0x610 drivers/block/brd.c:424 brd_init+0x134/0x1a8 drivers/block/brd.c:529 do_one_initcall+0x260/0xacc init/main.c:1298 do_initcall_level+0x154/0x214 init/main.c:1371 do_initcalls+0x58/0xac init/main.c:1387 do_basic_setup+0x8c/0xa0 init/main.c:1406 kernel_init_freeable+0x3a4/0x528 init/main.c:1626 kernel_init+0x24/0x29c init/main.c:1514 ret_from_fork+0x10/0x20 arch/arm64/kernel/entry.S:864 -> #1 (&q->queue_lock){..-.}-{2:2}: __raw_spin_lock_irq include/linux/spinlock_api_smp.h:119 [inline] _raw_spin_lock_irq+0x70/0x9c kernel/locking/spinlock.c:170 spin_lock_irq include/linux/spinlock.h:376 [inline] throtl_pending_timer_fn+0x104/0xdcc block/blk-throttle.c:1200 call_timer_fn+0x1c0/0xa1c kernel/time/timer.c:1504 expire_timers kernel/time/timer.c:1549 [inline] __run_timers+0x554/0x718 kernel/time/timer.c:1820 run_timer_softirq+0x7c/0x114 kernel/time/timer.c:1833 handle_softirqs+0x318/0xd58 kernel/softirq.c:571 __do_softirq+0x14/0x20 kernel/softirq.c:605 ____do_softirq+0x14/0x20 arch/arm64/kernel/irq.c:80 call_on_irq_stack+0x24/0x4c arch/arm64/kernel/entry.S:893 do_softirq_own_stack+0x20/0x2c arch/arm64/kernel/irq.c:85 invoke_softirq kernel/softirq.c:452 [inline] __irq_exit_rcu+0x264/0x4d4 kernel/softirq.c:654 irq_exit_rcu+0x14/0x84 kernel/softirq.c:666 __el1_irq arch/arm64/kernel/entry-common.c:472 [inline] el1_interrupt+0x38/0x68 arch/arm64/kernel/entry-common.c:486 el1h_64_irq_handler+0x18/0x24 arch/arm64/kernel/entry-common.c:491 el1h_64_irq+0x64/0x68 arch/arm64/kernel/entry.S:581 __list_del_entry_valid+0xa0/0x158 lib/list_debug.c:62 __list_del_entry include/linux/list.h:134 [inline] list_del include/linux/list.h:148 [inline] __rmqueue_pcplist+0x1f8c/0x21ac mm/page_alloc.c:3795 rmqueue_pcplist mm/page_alloc.c:3827 [inline] rmqueue mm/page_alloc.c:3870 [inline] get_page_from_freelist+0x728/0x3abc mm/page_alloc.c:4325 __alloc_pages+0x220/0x730 mm/page_alloc.c:5605 alloc_pages+0x494/0x760 __pte_alloc_one include/asm-generic/pgalloc.h:63 [inline] pte_alloc_one+0x2c/0x258 include/asm-generic/pgalloc.h:85 __pte_alloc mm/memory.c:468 [inline] copy_pte_range mm/memory.c:1042 [inline] copy_pmd_range mm/memory.c:1177 [inline] copy_pud_range mm/memory.c:1214 [inline] copy_p4d_range mm/memory.c:1238 [inline] copy_page_range+0x2ac0/0x3564 mm/memory.c:1336 dup_mmap kernel/fork.c:697 [inline] dup_mm kernel/fork.c:1541 [inline] copy_mm+0xea8/0x1438 kernel/fork.c:1590 copy_process+0x1798/0x38d0 kernel/fork.c:2266 kernel_clone+0x1d8/0x98c kernel/fork.c:2681 __do_sys_clone kernel/fork.c:2822 [inline] __se_sys_clone kernel/fork.c:2790 [inline] __arm64_sys_clone+0x1e0/0x234 kernel/fork.c:2790 __invoke_syscall arch/arm64/kernel/syscall.c:38 [inline] invoke_syscall+0x98/0x2bc arch/arm64/kernel/syscall.c:52 el0_svc_common+0x138/0x258 arch/arm64/kernel/syscall.c:140 do_el0_svc+0x58/0x13c arch/arm64/kernel/syscall.c:204 el0_svc+0x58/0x168 arch/arm64/kernel/entry-common.c:637 el0t_64_sync_handler+0x84/0xf0 arch/arm64/kernel/entry-common.c:655 el0t_64_sync+0x18c/0x190 arch/arm64/kernel/entry.S:585 -> #0 ((&sq->pending_timer)){+.-.}-{0:0}: check_prev_add kernel/locking/lockdep.c:3090 [inline] check_prevs_add kernel/locking/lockdep.c:3209 [inline] validate_chain kernel/locking/lockdep.c:3825 [inline] __lock_acquire+0x3338/0x7680 kernel/locking/lockdep.c:5049 lock_acquire+0x26c/0x7cc kernel/locking/lockdep.c:5662 timer_delete_sync+0x9c/0x210 kernel/time/timer.c:1448 del_timer_sync include/linux/timer.h:198 [inline] throtl_pd_free+0x20/0x48 block/blk-throttle.c:493 blkcg_deactivate_policy+0x2cc/0x4a8 block/blk-cgroup.c:1497 blk_throtl_exit+0x9c/0x13c block/blk-throttle.c:2415 blkcg_init_disk+0x2a4/0x318 block/blk-cgroup.c:1283 __alloc_disk_node+0x26c/0x484 block/genhd.c:1412 __blk_mq_alloc_disk+0x114/0x1e4 block/blk-mq.c:4146 nbd_dev_add+0x314/0x938 drivers/block/nbd.c:1812 nbd_genl_connect+0x8fc/0x17f4 drivers/block/nbd.c:1995 genl_family_rcv_msg_doit net/netlink/genetlink.c:756 [inline] genl_family_rcv_msg net/netlink/genetlink.c:833 [inline] genl_rcv_msg+0x948/0xc2c net/netlink/genetlink.c:850 netlink_rcv_skb+0x20c/0x3b8 net/netlink/af_netlink.c:2493 genl_rcv+0x38/0x50 net/netlink/genetlink.c:861 netlink_unicast_kernel net/netlink/af_netlink.c:1311 [inline] netlink_unicast+0x65c/0x898 net/netlink/af_netlink.c:1337 netlink_sendmsg+0x834/0xb18 net/netlink/af_netlink.c:1859 sock_sendmsg_nosec net/socket.c:718 [inline] __sock_sendmsg net/socket.c:730 [inline] ____sys_sendmsg+0x55c/0x848 net/socket.c:2519 ___sys_sendmsg net/socket.c:2573 [inline] __sys_sendmsg+0x26c/0x33c net/socket.c:2602 __do_sys_sendmsg net/socket.c:2611 [inline] __se_sys_sendmsg net/socket.c:2609 [inline] __arm64_sys_sendmsg+0x80/0x94 net/socket.c:2609 __invoke_syscall arch/arm64/kernel/syscall.c:38 [inline] invoke_syscall+0x98/0x2bc arch/arm64/kernel/syscall.c:52 el0_svc_common+0x138/0x258 arch/arm64/kernel/syscall.c:140 do_el0_svc+0x58/0x13c arch/arm64/kernel/syscall.c:204 el0_svc+0x58/0x168 arch/arm64/kernel/entry-common.c:637 el0t_64_sync_handler+0x84/0xf0 arch/arm64/kernel/entry-common.c:655 el0t_64_sync+0x18c/0x190 arch/arm64/kernel/entry.S:585 other info that might help us debug this: Chain exists of: (&sq->pending_timer) --> &q->queue_lock --> &blkcg->lock Possible unsafe locking scenario: CPU0 CPU1 ---- ---- lock(&blkcg->lock); lock(&q->queue_lock); lock(&blkcg->lock); lock((&sq->pending_timer)); *** DEADLOCK *** 4 locks held by syz-executor505/4327: #0: ffff80001811f250 (cb_lock){++++}-{3:3}, at: genl_rcv+0x28/0x50 net/netlink/genetlink.c:860 #1: ffff80001811f108 (genl_mutex){+.+.}-{3:3}, at: genl_lock net/netlink/genetlink.c:33 [inline] #1: ffff80001811f108 (genl_mutex){+.+.}-{3:3}, at: genl_rcv_msg+0x114/0xc2c net/netlink/genetlink.c:848 #2: ffff0000ce9c39d8 (&q->queue_lock){..-.}-{2:2}, at: spin_lock_irq include/linux/spinlock.h:376 [inline] #2: ffff0000ce9c39d8 (&q->queue_lock){..-.}-{2:2}, at: blkcg_deactivate_policy+0xf4/0x4a8 block/blk-cgroup.c:1486 #3: ffff80001ce537b0 (&blkcg->lock){....}-{2:2}, at: spin_lock include/linux/spinlock.h:351 [inline] #3: ffff80001ce537b0 (&blkcg->lock){....}-{2:2}, at: blkcg_deactivate_policy+0x1ac/0x4a8 block/blk-cgroup.c:1493 stack backtrace: CPU: 1 PID: 4327 Comm: syz-executor505 Not tainted 6.1.123-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/13/2024 Call trace: dump_backtrace+0x1c8/0x1f4 arch/arm64/kernel/stacktrace.c:158 show_stack+0x2c/0x3c arch/arm64/kernel/stacktrace.c:165 __dump_stack lib/dump_stack.c:88 [inline] dump_stack_lvl+0x108/0x170 lib/dump_stack.c:106 dump_stack+0x1c/0x58 lib/dump_stack.c:113 print_circular_bug+0x150/0x1b8 kernel/locking/lockdep.c:2048 check_noncircular+0x2cc/0x378 kernel/locking/lockdep.c:2170 check_prev_add kernel/locking/lockdep.c:3090 [inline] check_prevs_add kernel/locking/lockdep.c:3209 [inline] validate_chain kernel/locking/lockdep.c:3825 [inline] __lock_acquire+0x3338/0x7680 kernel/locking/lockdep.c:5049 lock_acquire+0x26c/0x7cc kernel/locking/lockdep.c:5662 timer_delete_sync+0x9c/0x210 kernel/time/timer.c:1448 del_timer_sync include/linux/timer.h:198 [inline] throtl_pd_free+0x20/0x48 block/blk-throttle.c:493 blkcg_deactivate_policy+0x2cc/0x4a8 block/blk-cgroup.c:1497 blk_throtl_exit+0x9c/0x13c block/blk-throttle.c:2415 blkcg_init_disk+0x2a4/0x318 block/blk-cgroup.c:1283 __alloc_disk_node+0x26c/0x484 block/genhd.c:1412 __blk_mq_alloc_disk+0x114/0x1e4 block/blk-mq.c:4146 nbd_dev_add+0x314/0x938 drivers/block/nbd.c:1812 nbd_genl_connect+0x8fc/0x17f4 drivers/block/nbd.c:1995 genl_family_rcv_msg_doit net/netlink/genetlink.c:756 [inline] genl_family_rcv_msg net/netlink/genetlink.c:833 [inline] genl_rcv_msg+0x948/0xc2c net/netlink/genetlink.c:850 netlink_rcv_skb+0x20c/0x3b8 net/netlink/af_netlink.c:2493 genl_rcv+0x38/0x50 net/netlink/genetlink.c:861 netlink_unicast_kernel net/netlink/af_netlink.c:1311 [inline] netlink_unicast+0x65c/0x898 net/netlink/af_netlink.c:1337 netlink_sendmsg+0x834/0xb18 net/netlink/af_netlink.c:1859 sock_sendmsg_nosec net/socket.c:718 [inline] __sock_sendmsg net/socket.c:730 [inline] ____sys_sendmsg+0x55c/0x848 net/socket.c:2519 ___sys_sendmsg net/socket.c:2573 [inline] __sys_sendmsg+0x26c/0x33c net/socket.c:2602 __do_sys_sendmsg net/socket.c:2611 [inline] __se_sys_sendmsg net/socket.c:2609 [inline] __arm64_sys_sendmsg+0x80/0x94 net/socket.c:2609 __invoke_syscall arch/arm64/kernel/syscall.c:38 [inline] invoke_syscall+0x98/0x2bc arch/arm64/kernel/syscall.c:52 el0_svc_common+0x138/0x258 arch/arm64/kernel/syscall.c:140 do_el0_svc+0x58/0x13c arch/arm64/kernel/syscall.c:204 el0_svc+0x58/0x168 arch/arm64/kernel/entry-common.c:637 el0t_64_sync_handler+0x84/0xf0 arch/arm64/kernel/entry-common.c:655 el0t_64_sync+0x18c/0x190 arch/arm64/kernel/entry.S:585 nbd: failed to add new device final repro crashed as (corrupted=false): do_el0_svc+0x58/0x13c arch/arm64/kernel/syscall.c:204 el0_svc+0x58/0x168 arch/arm64/kernel/entry-common.c:637 el0t_64_sync_handler+0x84/0xf0 arch/arm64/kernel/entry-common.c:655 el0t_64_sync+0x18c/0x190 arch/arm64/kernel/entry.S:585 ====================================================== WARNING: possible circular locking dependency detected 6.1.123-syzkaller #0 Not tainted ------------------------------------------------------ syz-executor505/4327 is trying to acquire lock: ffff0000da90e0a8 ((&sq->pending_timer)){+.-.}-{0:0}, at: timer_delete_sync+0x74/0x210 kernel/time/timer.c:1448 but task is already holding lock: ffff80001ce537b0 (&blkcg->lock){....}-{2:2}, at: spin_lock include/linux/spinlock.h:351 [inline] ffff80001ce537b0 (&blkcg->lock){....}-{2:2}, at: blkcg_deactivate_policy+0x1ac/0x4a8 block/blk-cgroup.c:1493 which lock already depends on the new lock. the existing dependency chain (in reverse order) is: -> #2 (&blkcg->lock){....}-{2:2}: __raw_spin_lock include/linux/spinlock_api_smp.h:133 [inline] _raw_spin_lock+0x54/0x6c kernel/locking/spinlock.c:154 spin_lock include/linux/spinlock.h:351 [inline] blkg_create+0x9f4/0x1158 block/blk-cgroup.c:320 blkcg_init_disk+0xd0/0x318 block/blk-cgroup.c:1259 __alloc_disk_node+0x26c/0x484 block/genhd.c:1412 __blk_alloc_disk+0x40/0xbc block/genhd.c:1451 brd_alloc+0x324/0x610 drivers/block/brd.c:424 brd_init+0x134/0x1a8 drivers/block/brd.c:529 do_one_initcall+0x260/0xacc init/main.c:1298 do_initcall_level+0x154/0x214 init/main.c:1371 do_initcalls+0x58/0xac init/main.c:1387 do_basic_setup+0x8c/0xa0 init/main.c:1406 kernel_init_freeable+0x3a4/0x528 init/main.c:1626 kernel_init+0x24/0x29c init/main.c:1514 ret_from_fork+0x10/0x20 arch/arm64/kernel/entry.S:864 -> #1 (&q->queue_lock){..-.}-{2:2}: __raw_spin_lock_irq include/linux/spinlock_api_smp.h:119 [inline] _raw_spin_lock_irq+0x70/0x9c kernel/locking/spinlock.c:170 spin_lock_irq include/linux/spinlock.h:376 [inline] throtl_pending_timer_fn+0x104/0xdcc block/blk-throttle.c:1200 call_timer_fn+0x1c0/0xa1c kernel/time/timer.c:1504 expire_timers kernel/time/timer.c:1549 [inline] __run_timers+0x554/0x718 kernel/time/timer.c:1820 run_timer_softirq+0x7c/0x114 kernel/time/timer.c:1833 handle_softirqs+0x318/0xd58 kernel/softirq.c:571 __do_softirq+0x14/0x20 kernel/softirq.c:605 ____do_softirq+0x14/0x20 arch/arm64/kernel/irq.c:80 call_on_irq_stack+0x24/0x4c arch/arm64/kernel/entry.S:893 do_softirq_own_stack+0x20/0x2c arch/arm64/kernel/irq.c:85 invoke_softirq kernel/softirq.c:452 [inline] __irq_exit_rcu+0x264/0x4d4 kernel/softirq.c:654 irq_exit_rcu+0x14/0x84 kernel/softirq.c:666 __el1_irq arch/arm64/kernel/entry-common.c:472 [inline] el1_interrupt+0x38/0x68 arch/arm64/kernel/entry-common.c:486 el1h_64_irq_handler+0x18/0x24 arch/arm64/kernel/entry-common.c:491 el1h_64_irq+0x64/0x68 arch/arm64/kernel/entry.S:581 __list_del_entry_valid+0xa0/0x158 lib/list_debug.c:62 __list_del_entry include/linux/list.h:134 [inline] list_del include/linux/list.h:148 [inline] __rmqueue_pcplist+0x1f8c/0x21ac mm/page_alloc.c:3795 rmqueue_pcplist mm/page_alloc.c:3827 [inline] rmqueue mm/page_alloc.c:3870 [inline] get_page_from_freelist+0x728/0x3abc mm/page_alloc.c:4325 __alloc_pages+0x220/0x730 mm/page_alloc.c:5605 alloc_pages+0x494/0x760 __pte_alloc_one include/asm-generic/pgalloc.h:63 [inline] pte_alloc_one+0x2c/0x258 include/asm-generic/pgalloc.h:85 __pte_alloc mm/memory.c:468 [inline] copy_pte_range mm/memory.c:1042 [inline] copy_pmd_range mm/memory.c:1177 [inline] copy_pud_range mm/memory.c:1214 [inline] copy_p4d_range mm/memory.c:1238 [inline] copy_page_range+0x2ac0/0x3564 mm/memory.c:1336 dup_mmap kernel/fork.c:697 [inline] dup_mm kernel/fork.c:1541 [inline] copy_mm+0xea8/0x1438 kernel/fork.c:1590 copy_process+0x1798/0x38d0 kernel/fork.c:2266 kernel_clone+0x1d8/0x98c kernel/fork.c:2681 __do_sys_clone kernel/fork.c:2822 [inline] __se_sys_clone kernel/fork.c:2790 [inline] __arm64_sys_clone+0x1e0/0x234 kernel/fork.c:2790 __invoke_syscall arch/arm64/kernel/syscall.c:38 [inline] invoke_syscall+0x98/0x2bc arch/arm64/kernel/syscall.c:52 el0_svc_common+0x138/0x258 arch/arm64/kernel/syscall.c:140 do_el0_svc+0x58/0x13c arch/arm64/kernel/syscall.c:204 el0_svc+0x58/0x168 arch/arm64/kernel/entry-common.c:637 el0t_64_sync_handler+0x84/0xf0 arch/arm64/kernel/entry-common.c:655 el0t_64_sync+0x18c/0x190 arch/arm64/kernel/entry.S:585 -> #0 ((&sq->pending_timer)){+.-.}-{0:0}: check_prev_add kernel/locking/lockdep.c:3090 [inline] check_prevs_add kernel/locking/lockdep.c:3209 [inline] validate_chain kernel/locking/lockdep.c:3825 [inline] __lock_acquire+0x3338/0x7680 kernel/locking/lockdep.c:5049 lock_acquire+0x26c/0x7cc kernel/locking/lockdep.c:5662 timer_delete_sync+0x9c/0x210 kernel/time/timer.c:1448 del_timer_sync include/linux/timer.h:198 [inline] throtl_pd_free+0x20/0x48 block/blk-throttle.c:493 blkcg_deactivate_policy+0x2cc/0x4a8 block/blk-cgroup.c:1497 blk_throtl_exit+0x9c/0x13c block/blk-throttle.c:2415 blkcg_init_disk+0x2a4/0x318 block/blk-cgroup.c:1283 __alloc_disk_node+0x26c/0x484 block/genhd.c:1412 __blk_mq_alloc_disk+0x114/0x1e4 block/blk-mq.c:4146 nbd_dev_add+0x314/0x938 drivers/block/nbd.c:1812 nbd_genl_connect+0x8fc/0x17f4 drivers/block/nbd.c:1995 genl_family_rcv_msg_doit net/netlink/genetlink.c:756 [inline] genl_family_rcv_msg net/netlink/genetlink.c:833 [inline] genl_rcv_msg+0x948/0xc2c net/netlink/genetlink.c:850 netlink_rcv_skb+0x20c/0x3b8 net/netlink/af_netlink.c:2493 genl_rcv+0x38/0x50 net/netlink/genetlink.c:861 netlink_unicast_kernel net/netlink/af_netlink.c:1311 [inline] netlink_unicast+0x65c/0x898 net/netlink/af_netlink.c:1337 netlink_sendmsg+0x834/0xb18 net/netlink/af_netlink.c:1859 sock_sendmsg_nosec net/socket.c:718 [inline] __sock_sendmsg net/socket.c:730 [inline] ____sys_sendmsg+0x55c/0x848 net/socket.c:2519 ___sys_sendmsg net/socket.c:2573 [inline] __sys_sendmsg+0x26c/0x33c net/socket.c:2602 __do_sys_sendmsg net/socket.c:2611 [inline] __se_sys_sendmsg net/socket.c:2609 [inline] __arm64_sys_sendmsg+0x80/0x94 net/socket.c:2609 __invoke_syscall arch/arm64/kernel/syscall.c:38 [inline] invoke_syscall+0x98/0x2bc arch/arm64/kernel/syscall.c:52 el0_svc_common+0x138/0x258 arch/arm64/kernel/syscall.c:140 do_el0_svc+0x58/0x13c arch/arm64/kernel/syscall.c:204 el0_svc+0x58/0x168 arch/arm64/kernel/entry-common.c:637 el0t_64_sync_handler+0x84/0xf0 arch/arm64/kernel/entry-common.c:655 el0t_64_sync+0x18c/0x190 arch/arm64/kernel/entry.S:585 other info that might help us debug this: Chain exists of: (&sq->pending_timer) --> &q->queue_lock --> &blkcg->lock Possible unsafe locking scenario: CPU0 CPU1 ---- ---- lock(&blkcg->lock); lock(&q->queue_lock); lock(&blkcg->lock); lock((&sq->pending_timer)); *** DEADLOCK *** 4 locks held by syz-executor505/4327: #0: ffff80001811f250 (cb_lock){++++}-{3:3}, at: genl_rcv+0x28/0x50 net/netlink/genetlink.c:860 #1: ffff80001811f108 (genl_mutex){+.+.}-{3:3}, at: genl_lock net/netlink/genetlink.c:33 [inline] #1: ffff80001811f108 (genl_mutex){+.+.}-{3:3}, at: genl_rcv_msg+0x114/0xc2c net/netlink/genetlink.c:848 #2: ffff0000ce9c39d8 (&q->queue_lock){..-.}-{2:2}, at: spin_lock_irq include/linux/spinlock.h:376 [inline] #2: ffff0000ce9c39d8 (&q->queue_lock){..-.}-{2:2}, at: blkcg_deactivate_policy+0xf4/0x4a8 block/blk-cgroup.c:1486 #3: ffff80001ce537b0 (&blkcg->lock){....}-{2:2}, at: spin_lock include/linux/spinlock.h:351 [inline] #3: ffff80001ce537b0 (&blkcg->lock){....}-{2:2}, at: blkcg_deactivate_policy+0x1ac/0x4a8 block/blk-cgroup.c:1493 stack backtrace: CPU: 1 PID: 4327 Comm: syz-executor505 Not tainted 6.1.123-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/13/2024 Call trace: dump_backtrace+0x1c8/0x1f4 arch/arm64/kernel/stacktrace.c:158 show_stack+0x2c/0x3c arch/arm64/kernel/stacktrace.c:165 __dump_stack lib/dump_stack.c:88 [inline] dump_stack_lvl+0x108/0x170 lib/dump_stack.c:106 dump_stack+0x1c/0x58 lib/dump_stack.c:113 print_circular_bug+0x150/0x1b8 kernel/locking/lockdep.c:2048 check_noncircular+0x2cc/0x378 kernel/locking/lockdep.c:2170 check_prev_add kernel/locking/lockdep.c:3090 [inline] check_prevs_add kernel/locking/lockdep.c:3209 [inline] validate_chain kernel/locking/lockdep.c:3825 [inline] __lock_acquire+0x3338/0x7680 kernel/locking/lockdep.c:5049 lock_acquire+0x26c/0x7cc kernel/locking/lockdep.c:5662 timer_delete_sync+0x9c/0x210 kernel/time/timer.c:1448 del_timer_sync include/linux/timer.h:198 [inline] throtl_pd_free+0x20/0x48 block/blk-throttle.c:493 blkcg_deactivate_policy+0x2cc/0x4a8 block/blk-cgroup.c:1497 blk_throtl_exit+0x9c/0x13c block/blk-throttle.c:2415 blkcg_init_disk+0x2a4/0x318 block/blk-cgroup.c:1283 __alloc_disk_node+0x26c/0x484 block/genhd.c:1412 __blk_mq_alloc_disk+0x114/0x1e4 block/blk-mq.c:4146 nbd_dev_add+0x314/0x938 drivers/block/nbd.c:1812 nbd_genl_connect+0x8fc/0x17f4 drivers/block/nbd.c:1995 genl_family_rcv_msg_doit net/netlink/genetlink.c:756 [inline] genl_family_rcv_msg net/netlink/genetlink.c:833 [inline] genl_rcv_msg+0x948/0xc2c net/netlink/genetlink.c:850 netlink_rcv_skb+0x20c/0x3b8 net/netlink/af_netlink.c:2493 genl_rcv+0x38/0x50 net/netlink/genetlink.c:861 netlink_unicast_kernel net/netlink/af_netlink.c:1311 [inline] netlink_unicast+0x65c/0x898 net/netlink/af_netlink.c:1337 netlink_sendmsg+0x834/0xb18 net/netlink/af_netlink.c:1859 sock_sendmsg_nosec net/socket.c:718 [inline] __sock_sendmsg net/socket.c:730 [inline] ____sys_sendmsg+0x55c/0x848 net/socket.c:2519 ___sys_sendmsg net/socket.c:2573 [inline] __sys_sendmsg+0x26c/0x33c net/socket.c:2602 __do_sys_sendmsg net/socket.c:2611 [inline] __se_sys_sendmsg net/socket.c:2609 [inline] __arm64_sys_sendmsg+0x80/0x94 net/socket.c:2609 __invoke_syscall arch/arm64/kernel/syscall.c:38 [inline] invoke_syscall+0x98/0x2bc arch/arm64/kernel/syscall.c:52 el0_svc_common+0x138/0x258 arch/arm64/kernel/syscall.c:140 do_el0_svc+0x58/0x13c arch/arm64/kernel/syscall.c:204 el0_svc+0x58/0x168 arch/arm64/kernel/entry-common.c:637 el0t_64_sync_handler+0x84/0xf0 arch/arm64/kernel/entry-common.c:655 el0t_64_sync+0x18c/0x190 arch/arm64/kernel/entry.S:585 nbd: failed to add new device