Extracting prog: 27m22.616553065s
Minimizing prog: 1h30m1.06573988s
Simplifying prog options: 0s
Extracting C: 1m58.839661582s
Simplifying C: 14m3.448468651s


extracting reproducer from 42 programs
testing a last program of every proc
single: executing 12 programs separately with timeout 6m0s
testing program (duration=6m0s, {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}}): socket$nl_route-socket$netlink-socket-sendmsg$nl_route_sched-getsockname$packet-sendmsg$nl_route-socket$nl_route-socket-getsockname$packet-sendmsg$nl_route-sendmsg$nl_route
detailed listing:
executing program 0:
r0 = socket$nl_route(0x10, 0x3, 0x0)
r1 = socket$netlink(0x10, 0x3, 0x0)
r2 = socket(0x10, 0x803, 0x0)
sendmsg$nl_route_sched(r2, &(0x7f00000003c0)={0x0, 0x0, &(0x7f0000000380)={0x0, 0x24}}, 0x0)
getsockname$packet(r2, &(0x7f0000000100)={0x11, 0x0, <r3=>0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x2ba)
sendmsg$nl_route(r1, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000140)=ANY=[@ANYBLOB="3c0000001000850619fbb7c75150926b00000000", @ANYRES32=r3, @ANYBLOB="fe000000000000001c0012000c000100626f6e64000000000c00020008"], 0x3c}}, 0x0)
r4 = socket$nl_route(0x10, 0x3, 0x0)
r5 = socket(0x1, 0x803, 0x0)
getsockname$packet(r5, &(0x7f0000000100)={0x11, 0x0, <r6=>0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f00000002c0)=0x14)
sendmsg$nl_route(r4, &(0x7f0000000300)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000480)=ANY=[@ANYBLOB="540000001000010400"/20, @ANYRES32=0x0, @ANYBLOB="00000000000000002c0012800e0001006970366772657461700000001800028014000700fc00000000000000000000000000000008000a00", @ANYRES32=r6], 0x54}}, 0x0)
sendmsg$nl_route(r0, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000000c0)=ANY=[@ANYBLOB="20000000110001002dbd7000f9dbdf2500000000", @ANYRES32=r6], 0x20}, 0x1, 0x0, 0x0, 0x40000}, 0x0)

program did not crash
testing program (duration=6m0s, {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}}): socket$nl_route-socket$netlink-socket-sendmsg$nl_route_sched-getsockname$packet-sendmsg$nl_route-socket$nl_route-socket-getsockname$packet-sendmsg$nl_route-sendmsg$nl_route
detailed listing:
executing program 0:
r0 = socket$nl_route(0x10, 0x3, 0x0)
r1 = socket$netlink(0x10, 0x3, 0x0)
r2 = socket(0x10, 0x803, 0x0)
sendmsg$nl_route_sched(r2, &(0x7f00000003c0)={0x0, 0x0, &(0x7f0000000380)={0x0, 0x24}}, 0x0)
getsockname$packet(r2, &(0x7f0000000100)={0x11, 0x0, <r3=>0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x2ba)
sendmsg$nl_route(r1, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000140)=ANY=[@ANYBLOB="3c0000001000850619fbb7c75150926b00000000", @ANYRES32=r3, @ANYBLOB="fe000000000000001c0012000c000100626f6e64000000000c00020008"], 0x3c}}, 0x0)
r4 = socket$nl_route(0x10, 0x3, 0x0)
r5 = socket(0x1, 0x803, 0x0)
getsockname$packet(r5, &(0x7f0000000100)={0x11, 0x0, <r6=>0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f00000002c0)=0x14)
sendmsg$nl_route(r4, &(0x7f0000000300)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000480)=ANY=[@ANYBLOB="540000001000010400"/20, @ANYRES32=0x0, @ANYBLOB="00000000000000002c0012800e0001006970366772657461700000001800028014000700fc00000000000000000000000000000008000a00", @ANYRES32=r6], 0x54}}, 0x0)
sendmsg$nl_route(r0, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000000c0)=ANY=[@ANYBLOB="20000000110001002dbd7000f9dbdf2500000000", @ANYRES32=r6], 0x20}, 0x1, 0x0, 0x0, 0x40000}, 0x0)

program did not crash
testing program (duration=6m0s, {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}}): openat$tun-ioctl$TUNSETIFF-socket-socket$unix-ioctl$sock_SIOCGIFINDEX-sendmsg$nl_route_sched-socket-socket$unix-ioctl$sock_SIOCGIFINDEX-sendmsg$nl_route_sched
detailed listing:
executing program 0:
r0 = openat$tun(0xffffffffffffff9c, &(0x7f0000000340), 0x302, 0x0)
ioctl$TUNSETIFF(r0, 0x400454ca, &(0x7f0000000040)={'syzkaller0\x00', 0x7101})
r1 = socket(0x400000000010, 0x3, 0x0)
r2 = socket$unix(0x1, 0x1, 0x0)
ioctl$sock_SIOCGIFINDEX(r2, 0x8933, &(0x7f0000000100)={'syzkaller0\x00', <r3=>0x0})
sendmsg$nl_route_sched(r1, &(0x7f00000012c0)={0x0, 0x0, &(0x7f0000000080)={&(0x7f00000005c0)=@newqdisc={0x38, 0x24, 0x4ee4e6a52ff56541, 0x70bd2d, 0xffffffff, {0x0, 0x0, 0x0, r3, {0x0, 0xfff1}, {0xffff, 0xffff}, {0x1, 0xf}}, [@qdisc_kind_options=@q_multiq={{0xb}, {0x8, 0x2, {0x28}}}]}, 0x38}}, 0x0)
r4 = socket(0x10, 0x803, 0x0)
r5 = socket$unix(0x1, 0x1, 0x0)
ioctl$sock_SIOCGIFINDEX(r5, 0x8933, &(0x7f0000000100)={'syzkaller0\x00', <r6=>0x0})
sendmsg$nl_route_sched(r4, &(0x7f0000006040)={0x0, 0x0, &(0x7f0000000300)={&(0x7f00000001c0)=@newtfilter={0x5c, 0x2c, 0xd27, 0x70bd2a, 0x8000002, {0x0, 0x0, 0x0, r6, {0x0, 0x6}, {}, {0x7, 0xa}}, [@filter_kind_options=@f_basic={{0xa}, {0x2c, 0x2, [@TCA_BASIC_EMATCHES={0x28, 0x2, 0x0, 0x1, [@TCA_EMATCH_TREE_HDR={0x8, 0x1, {0xffff}}, @TCA_EMATCH_TREE_LIST={0x1c, 0x2, 0x0, 0x1, [@TCF_EM_CMP={0x18, 0x1, 0x0, 0x0, {{0xff, 0x1, 0x8001}, {0x8, 0x6a6, 0xffff, 0x5, 0x2, 0x2}}}]}]}]}}]}, 0x5c}, 0x1, 0x0, 0x0, 0x24008004}, 0x0)

program did not crash
testing program (duration=6m0s, {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}}): socket$netlink-socket-sendmsg$NL80211_CMD_CRIT_PROTOCOL_START-getsockname$packet-sendmsg$nl_route-socket$inet6_tcp-socket$inet6_udplite-ioctl$sock_inet6_SIOCSIFADDR-ioctl$sock_inet6_SIOCSIFADDR-sendmsg$nl_route
detailed listing:
executing program 0:
r0 = socket$netlink(0x10, 0x3, 0x0)
r1 = socket(0x10, 0x803, 0x0)
sendmsg$NL80211_CMD_CRIT_PROTOCOL_START(r1, &(0x7f0000000580)={0x0, 0x0, &(0x7f0000000540)={0x0, 0x1c}}, 0x0)
getsockname$packet(r1, &(0x7f0000000600)={0x11, 0x0, <r2=>0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000080)=0x14)
sendmsg$nl_route(r0, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000640)=ANY=[@ANYBLOB="3c0000001000850600000000ff6122314a000800", @ANYRES32=r2, @ANYBLOB="f5ff0f00252155b21c0012000c000100626f6e64000000000c0002000800010001"], 0x3c}}, 0x40000)
r3 = socket$inet6_tcp(0xa, 0x1, 0x0)
r4 = socket$inet6_udplite(0xa, 0x2, 0x88)
ioctl$sock_inet6_SIOCSIFADDR(r4, 0x8916, &(0x7f0000000380)={@dev={0xfe, 0x80, '\x00', 0x1f}, 0x76, r2})
ioctl$sock_inet6_SIOCSIFADDR(r3, 0x8916, &(0x7f0000000100)={@ipv4={'\x00', '\xff\xff', @multicast2}, 0x56, r2})
sendmsg$nl_route(r0, &(0x7f0000000280)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f0000000b80)=ANY=[@ANYBLOB="3c00000010000305000000000007000000000000", @ANYRES32=0x0, @ANYBLOB="0000000006100000140012800b00010062726964676500000400028008000a00", @ANYRES32=r2], 0x3c}, 0x1, 0x0, 0x0, 0x800}, 0x440b0)

program crashed: WARNING in print_bfs_bug
single: successfully extracted reproducer
found reproducer with 10 syscalls
minimizing guilty program
testing program (duration=6m0s, {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}}): socket$netlink-socket-sendmsg$NL80211_CMD_CRIT_PROTOCOL_START-getsockname$packet-sendmsg$nl_route-socket$inet6_tcp-socket$inet6_udplite-ioctl$sock_inet6_SIOCSIFADDR-ioctl$sock_inet6_SIOCSIFADDR
detailed listing:
executing program 0:
r0 = socket$netlink(0x10, 0x3, 0x0)
r1 = socket(0x10, 0x803, 0x0)
sendmsg$NL80211_CMD_CRIT_PROTOCOL_START(r1, &(0x7f0000000580)={0x0, 0x0, &(0x7f0000000540)={0x0, 0x1c}}, 0x0)
getsockname$packet(r1, &(0x7f0000000600)={0x11, 0x0, <r2=>0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000080)=0x14)
sendmsg$nl_route(r0, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000640)=ANY=[@ANYBLOB="3c0000001000850600000000ff6122314a000800", @ANYRES32=r2, @ANYBLOB="f5ff0f00252155b21c0012000c000100626f6e64000000000c0002000800010001"], 0x3c}}, 0x40000)
r3 = socket$inet6_tcp(0xa, 0x1, 0x0)
r4 = socket$inet6_udplite(0xa, 0x2, 0x88)
ioctl$sock_inet6_SIOCSIFADDR(r4, 0x8916, &(0x7f0000000380)={@dev={0xfe, 0x80, '\x00', 0x1f}, 0x76, r2})
ioctl$sock_inet6_SIOCSIFADDR(r3, 0x8916, &(0x7f0000000100)={@ipv4={'\x00', '\xff\xff', @multicast2}, 0x56, r2})

program crashed: WARNING in print_bfs_bug
testing program (duration=6m0s, {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}}): socket$netlink-socket-sendmsg$NL80211_CMD_CRIT_PROTOCOL_START-getsockname$packet-sendmsg$nl_route-socket$inet6_tcp-socket$inet6_udplite-ioctl$sock_inet6_SIOCSIFADDR
detailed listing:
executing program 0:
r0 = socket$netlink(0x10, 0x3, 0x0)
r1 = socket(0x10, 0x803, 0x0)
sendmsg$NL80211_CMD_CRIT_PROTOCOL_START(r1, &(0x7f0000000580)={0x0, 0x0, &(0x7f0000000540)={0x0, 0x1c}}, 0x0)
getsockname$packet(r1, &(0x7f0000000600)={0x11, 0x0, <r2=>0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000080)=0x14)
sendmsg$nl_route(r0, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000640)=ANY=[@ANYBLOB="3c0000001000850600000000ff6122314a000800", @ANYRES32=r2, @ANYBLOB="f5ff0f00252155b21c0012000c000100626f6e64000000000c0002000800010001"], 0x3c}}, 0x40000)
socket$inet6_tcp(0xa, 0x1, 0x0)
r3 = socket$inet6_udplite(0xa, 0x2, 0x88)
ioctl$sock_inet6_SIOCSIFADDR(r3, 0x8916, &(0x7f0000000380)={@dev={0xfe, 0x80, '\x00', 0x1f}, 0x76, r2})

program crashed: WARNING in print_bfs_bug
testing program (duration=6m0s, {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}}): socket$netlink-socket-sendmsg$NL80211_CMD_CRIT_PROTOCOL_START-getsockname$packet-sendmsg$nl_route-socket$inet6_tcp-socket$inet6_udplite
detailed listing:
executing program 0:
r0 = socket$netlink(0x10, 0x3, 0x0)
r1 = socket(0x10, 0x803, 0x0)
sendmsg$NL80211_CMD_CRIT_PROTOCOL_START(r1, &(0x7f0000000580)={0x0, 0x0, &(0x7f0000000540)={0x0, 0x1c}}, 0x0)
getsockname$packet(r1, &(0x7f0000000600)={0x11, 0x0, <r2=>0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000080)=0x14)
sendmsg$nl_route(r0, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000640)=ANY=[@ANYBLOB="3c0000001000850600000000ff6122314a000800", @ANYRES32=r2, @ANYBLOB="f5ff0f00252155b21c0012000c000100626f6e64000000000c0002000800010001"], 0x3c}}, 0x40000)
socket$inet6_tcp(0xa, 0x1, 0x0)
socket$inet6_udplite(0xa, 0x2, 0x88)

program crashed: WARNING in print_bfs_bug
testing program (duration=6m0s, {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}}): socket$netlink-socket-sendmsg$NL80211_CMD_CRIT_PROTOCOL_START-getsockname$packet-sendmsg$nl_route-socket$inet6_tcp
detailed listing:
executing program 0:
r0 = socket$netlink(0x10, 0x3, 0x0)
r1 = socket(0x10, 0x803, 0x0)
sendmsg$NL80211_CMD_CRIT_PROTOCOL_START(r1, &(0x7f0000000580)={0x0, 0x0, &(0x7f0000000540)={0x0, 0x1c}}, 0x0)
getsockname$packet(r1, &(0x7f0000000600)={0x11, 0x0, <r2=>0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000080)=0x14)
sendmsg$nl_route(r0, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000640)=ANY=[@ANYBLOB="3c0000001000850600000000ff6122314a000800", @ANYRES32=r2, @ANYBLOB="f5ff0f00252155b21c0012000c000100626f6e64000000000c0002000800010001"], 0x3c}}, 0x40000)
socket$inet6_tcp(0xa, 0x1, 0x0)

program crashed: WARNING in print_bfs_bug
testing program (duration=6m0s, {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}}): socket$netlink-socket-sendmsg$NL80211_CMD_CRIT_PROTOCOL_START-getsockname$packet-sendmsg$nl_route
detailed listing:
executing program 0:
r0 = socket$netlink(0x10, 0x3, 0x0)
r1 = socket(0x10, 0x803, 0x0)
sendmsg$NL80211_CMD_CRIT_PROTOCOL_START(r1, &(0x7f0000000580)={0x0, 0x0, &(0x7f0000000540)={0x0, 0x1c}}, 0x0)
getsockname$packet(r1, &(0x7f0000000600)={0x11, 0x0, <r2=>0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000080)=0x14)
sendmsg$nl_route(r0, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000640)=ANY=[@ANYBLOB="3c0000001000850600000000ff6122314a000800", @ANYRES32=r2, @ANYBLOB="f5ff0f00252155b21c0012000c000100626f6e64000000000c0002000800010001"], 0x3c}}, 0x40000)

program crashed: WARNING in print_bfs_bug
testing program (duration=6m0s, {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}}): socket$netlink-socket-sendmsg$NL80211_CMD_CRIT_PROTOCOL_START-getsockname$packet
detailed listing:
executing program 0:
socket$netlink(0x10, 0x3, 0x0)
r0 = socket(0x10, 0x803, 0x0)
sendmsg$NL80211_CMD_CRIT_PROTOCOL_START(r0, &(0x7f0000000580)={0x0, 0x0, &(0x7f0000000540)={0x0, 0x1c}}, 0x0)
getsockname$packet(r0, &(0x7f0000000600)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000080)=0x14)

program did not crash
testing program (duration=6m0s, {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}}): socket$netlink-socket-sendmsg$NL80211_CMD_CRIT_PROTOCOL_START-sendmsg$nl_route
detailed listing:
executing program 0:
r0 = socket$netlink(0x10, 0x3, 0x0)
r1 = socket(0x10, 0x803, 0x0)
sendmsg$NL80211_CMD_CRIT_PROTOCOL_START(r1, &(0x7f0000000580)={0x0, 0x0, &(0x7f0000000540)={0x0, 0x1c}}, 0x0)
sendmsg$nl_route(r0, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000640)=ANY=[@ANYBLOB="3c0000001000850600000000ff6122314a000800", @ANYRES32, @ANYBLOB="f5ff0f00252155b21c0012000c000100626f6e64000000000c0002000800010001"], 0x3c}}, 0x40000)

program did not crash
testing program (duration=6m0s, {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}}): socket$netlink-socket-getsockname$packet-sendmsg$nl_route
detailed listing:
executing program 0:
r0 = socket$netlink(0x10, 0x3, 0x0)
r1 = socket(0x10, 0x803, 0x0)
getsockname$packet(r1, &(0x7f0000000600)={0x11, 0x0, <r2=>0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000080)=0x14)
sendmsg$nl_route(r0, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000640)=ANY=[@ANYBLOB="3c0000001000850600000000ff6122314a000800", @ANYRES32=r2, @ANYBLOB="f5ff0f00252155b21c0012000c000100626f6e64000000000c0002000800010001"], 0x3c}}, 0x40000)

program crashed: WARNING in print_bfs_bug
testing program (duration=6m0s, {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}}): socket$netlink-getsockname$packet-sendmsg$nl_route
detailed listing:
executing program 0:
r0 = socket$netlink(0x10, 0x3, 0x0)
getsockname$packet(0xffffffffffffffff, &(0x7f0000000600)={0x11, 0x0, <r1=>0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000080)=0x14)
sendmsg$nl_route(r0, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000640)=ANY=[@ANYBLOB="3c0000001000850600000000ff6122314a000800", @ANYRES32=r1, @ANYBLOB="f5ff0f00252155b21c0012000c000100626f6e64000000000c0002000800010001"], 0x3c}}, 0x40000)

program did not crash
testing program (duration=6m0s, {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}}): socket-getsockname$packet-sendmsg$nl_route
detailed listing:
executing program 0:
r0 = socket(0x10, 0x803, 0x0)
getsockname$packet(r0, &(0x7f0000000600)={0x11, 0x0, <r1=>0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000080)=0x14)
sendmsg$nl_route(0xffffffffffffffff, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000640)=ANY=[@ANYBLOB="3c0000001000850600000000ff6122314a000800", @ANYRES32=r1, @ANYBLOB="f5ff0f00252155b21c0012000c000100626f6e64000000000c0002000800010001"], 0x3c}}, 0x40000)

program did not crash
testing program (duration=6m0s, {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}}): socket$netlink-socket-getsockname$packet-sendmsg$nl_route
detailed listing:
executing program 0:
r0 = socket$netlink(0x10, 0x3, 0x0)
r1 = socket(0x10, 0x803, 0x0)
getsockname$packet(r1, 0x0, &(0x7f0000000080))
sendmsg$nl_route(r0, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000640)=ANY=[@ANYBLOB="3c0000001000850600000000ff6122314a000800", @ANYRES32, @ANYBLOB="f5ff0f00252155b21c0012000c000100626f6e64000000000c0002000800010001"], 0x3c}}, 0x40000)

program did not crash
testing program (duration=6m0s, {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}}): socket$netlink-socket-getsockname$packet-sendmsg$nl_route
detailed listing:
executing program 0:
r0 = socket$netlink(0x10, 0x3, 0x0)
r1 = socket(0x10, 0x803, 0x0)
getsockname$packet(r1, &(0x7f0000000600)={0x11, 0x0, <r2=>0x0, 0x1, 0x0, 0x6, @broadcast}, 0x0)
sendmsg$nl_route(r0, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000640)=ANY=[@ANYBLOB="3c0000001000850600000000ff6122314a000800", @ANYRES32=r2, @ANYBLOB="f5ff0f00252155b21c0012000c000100626f6e64000000000c0002000800010001"], 0x3c}}, 0x40000)

program did not crash
testing program (duration=6m0s, {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}}): socket$netlink-socket-getsockname$packet-sendmsg$nl_route
detailed listing:
executing program 0:
r0 = socket$netlink(0x10, 0x3, 0x0)
r1 = socket(0x10, 0x803, 0x0)
getsockname$packet(r1, &(0x7f0000000600)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000080)=0x14)
sendmsg$nl_route(r0, 0x0, 0x40000)

program did not crash
testing program (duration=6m0s, {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}}): socket$netlink-socket-getsockname$packet-sendmsg$nl_route
detailed listing:
executing program 0:
r0 = socket$netlink(0x10, 0x3, 0x0)
r1 = socket(0x10, 0x803, 0x0)
getsockname$packet(r1, &(0x7f0000000600)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000080)=0x14)
sendmsg$nl_route(r0, &(0x7f0000000040)={0x0, 0x0, 0x0}, 0x40000)

program did not crash
testing program (duration=6m0s, {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}}): socket$netlink-socket-getsockname$packet-sendmsg$nl_route
detailed listing:
executing program 0:
r0 = socket$netlink(0x10, 0x3, 0x0)
r1 = socket(0x10, 0x803, 0x0)
getsockname$packet(r1, &(0x7f0000000600)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000080)=0x14)
sendmsg$nl_route(r0, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={0x0, 0x3c}}, 0x40000)

program did not crash
testing program (duration=6m0s, {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}}): socket$netlink-socket-getsockname$packet-sendmsg$nl_route
detailed listing:
executing program 0:
r0 = socket$netlink(0x10, 0x3, 0x0)
r1 = socket(0x10, 0x803, 0x0)
getsockname$packet(r1, &(0x7f0000000600)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000080)=0x14)
sendmsg$nl_route(r0, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000640)=ANY=[], 0x3c}}, 0x40000)

program did not crash
testing program (duration=6m0s, {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}}): socket$netlink-socket-getsockname$packet-sendmsg$nl_route
detailed listing:
executing program 0:
r0 = socket$netlink(0x10, 0x3, 0x0)
r1 = socket(0x10, 0x803, 0x0)
getsockname$packet(r1, &(0x7f0000000600)={0x11, 0x0, <r2=>0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000080)=0x14)
sendmsg$nl_route(r0, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000640)=ANY=[@ANYBLOB="3c0000001000850600000000ff6122314a000800", @ANYRES32=r2, @ANYBLOB], 0x3c}}, 0x40000)

program crashed: lost connection to test machine
suppressed program crash: lost connection to test machine
testing program (duration=6m0s, {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}}): socket$netlink-socket-getsockname$packet-sendmsg$nl_route
detailed listing:
executing program 0:
r0 = socket$netlink(0x10, 0x3, 0x0)
r1 = socket(0x10, 0x803, 0x0)
getsockname$packet(r1, &(0x7f0000000600)={0x11, 0x0, <r2=>0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000080)=0x14)
sendmsg$nl_route(r0, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000640)=ANY=[@ANYBLOB, @ANYRES32=r2, @ANYBLOB="f5ff0f00252155b21c0012000c000100626f6e64000000000c0002000800010001"], 0x3c}}, 0x40000)

program did not crash
extracting C reproducer
testing compiled C program (duration=6m0s, {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}}): socket$netlink-socket-getsockname$packet-sendmsg$nl_route
program crashed: WARNING in print_bfs_bug
simplifying C reproducer
testing compiled C program (duration=6m0s, {Threaded:false Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): socket$netlink-socket-getsockname$packet-sendmsg$nl_route
program crashed: WARNING in print_bfs_bug
testing compiled C program (duration=6m0s, {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}}): socket$netlink-socket-getsockname$packet-sendmsg$nl_route
program crashed: WARNING in print_bfs_bug
testing compiled C program (duration=6m0s, {Threaded:false Repeat:true RepeatTimes:0 Procs:1 Slowdown:1 Sandbox: SandboxArg:0 Leak:false NetInjection:false NetDevices:false NetReset:false Cgroups:false BinfmtMisc:false CloseFDs:false KCSAN:false DevlinkPCI:false NicVF:false USB:false VhciInjection:false Wifi:false IEEE802154:true Sysctl:true Swap:false UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): socket$netlink-socket-getsockname$packet-sendmsg$nl_route
program crashed: WARNING in print_bfs_bug
testing compiled C program (duration=6m0s, {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}}): socket$netlink-socket-getsockname$packet-sendmsg$nl_route
program crashed: WARNING in print_bfs_bug
testing compiled C program (duration=6m0s, {Threaded:false Repeat:true RepeatTimes:0 Procs:1 Slowdown:1 Sandbox: SandboxArg:0 Leak:false NetInjection:false NetDevices:false NetReset:false Cgroups:false BinfmtMisc:false CloseFDs:false KCSAN:false DevlinkPCI:false NicVF:false USB:false VhciInjection:false Wifi:false IEEE802154:false Sysctl:true Swap:false UseTmpDir:false HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): socket$netlink-socket-getsockname$packet-sendmsg$nl_route
program crashed: WARNING in print_bfs_bug
testing compiled C program (duration=6m0s, {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}}): socket$netlink-socket-getsockname$packet-sendmsg$nl_route
program crashed: WARNING in print_bfs_bug
testing compiled C program (duration=6m0s, {Threaded:false Repeat:true RepeatTimes:0 Procs:1 Slowdown:1 Sandbox: SandboxArg:0 Leak:false NetInjection:false NetDevices:false NetReset:false Cgroups:false BinfmtMisc:false CloseFDs:false KCSAN:false DevlinkPCI:false NicVF:false USB:false VhciInjection:false Wifi:false IEEE802154:false Sysctl:false Swap:false UseTmpDir:false HandleSegv:false Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): socket$netlink-socket-getsockname$packet-sendmsg$nl_route
program crashed: WARNING in print_bfs_bug
testing program (duration=6m0s, {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}}): socket$netlink-socket-getsockname$packet-sendmsg$nl_route
detailed listing:
executing program 0:
r0 = socket$netlink(0x10, 0x3, 0x0)
r1 = socket(0x10, 0x803, 0x0)
getsockname$packet(r1, &(0x7f0000000600)={0x11, 0x0, <r2=>0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000080)=0x14)
sendmsg$nl_route(r0, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000640)=ANY=[@ANYBLOB="3c0000001000850600000000ff6122314a000800", @ANYRES32=r2, @ANYBLOB="f5ff0f00252155b21c0012000c000100626f6e64000000000c0002000800010001"], 0x3c}}, 0x40000)

program crashed: WARNING in print_bfs_bug
validation run: crashed=true
testing program (duration=6m0s, {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}}): socket$netlink-socket-getsockname$packet-sendmsg$nl_route
detailed listing:
executing program 0:
r0 = socket$netlink(0x10, 0x3, 0x0)
r1 = socket(0x10, 0x803, 0x0)
getsockname$packet(r1, &(0x7f0000000600)={0x11, 0x0, <r2=>0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000080)=0x14)
sendmsg$nl_route(r0, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000640)=ANY=[@ANYBLOB="3c0000001000850600000000ff6122314a000800", @ANYRES32=r2, @ANYBLOB="f5ff0f00252155b21c0012000c000100626f6e64000000000c0002000800010001"], 0x3c}}, 0x40000)

program crashed: WARNING in print_bfs_bug
validation run: crashed=true
testing program (duration=6m0s, {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}}): socket$netlink-socket-getsockname$packet-sendmsg$nl_route
detailed listing:
executing program 0:
r0 = socket$netlink(0x10, 0x3, 0x0)
r1 = socket(0x10, 0x803, 0x0)
getsockname$packet(r1, &(0x7f0000000600)={0x11, 0x0, <r2=>0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000080)=0x14)
sendmsg$nl_route(r0, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000640)=ANY=[@ANYBLOB="3c0000001000850600000000ff6122314a000800", @ANYRES32=r2, @ANYBLOB="f5ff0f00252155b21c0012000c000100626f6e64000000000c0002000800010001"], 0x3c}}, 0x40000)

program crashed: WARNING in print_bfs_bug
validation run: crashed=true
reproducing took 2h18m58.21839197s
repro crashed as (corrupted=false):
Increase LOCKDEP_CIRCULAR_QUEUE_BITS to avoid this warning:
------------[ cut here ]------------
lockdep bfs error:-1
WARNING: CPU: 1 PID: 29 at kernel/locking/lockdep.c:2059 print_bfs_bug+0x29/0x50 kernel/locking/lockdep.c:2059
Modules linked in:
CPU: 1 UID: 0 PID: 29 Comm: ktimers/1 Not tainted syzkaller #0 PREEMPT_{RT,(full)} 
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/02/2025
RIP: 0010:print_bfs_bug+0x29/0x50 kernel/locking/lockdep.c:2059
Code: 90 55 53 89 fb e8 d7 cc d9 02 89 c5 e8 00 a6 ff ff 85 ed 74 19 83 fb ff 74 1c 90 48 c7 c7 b1 f9 d9 8c 89 de e8 28 da e6 ff 90 <0f> 0b 90 90 5b 5d e9 4c c4 27 09 cc 48 c7 c7 05 3a eb 8c e8 3f 11
RSP: 0018:ffffc90000a3f188 EFLAGS: 00010046
RAX: 462620c15cd93600 RBX: 00000000ffffffff RCX: ffff88801be99e00
RDX: 0000000000000100 RSI: 0000000000000000 RDI: 0000000000000100
RBP: 0000000000000001 R08: 0000000000000000 R09: 0000000000000100
R10: dffffc0000000000 R11: ffffed101712487b R12: ffffffff9554c2b8
R13: ffffffff9554c328 R14: ffff88801be9aaa0 R15: 000000000000001c
FS:  0000000000000000(0000) GS:ffff888126efc000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000200000000080 CR3: 0000000035ffa000 CR4: 00000000003526f0
Call Trace:
 <TASK>
 check_irq_usage kernel/locking/lockdep.c:-1 [inline]
 check_prev_add kernel/locking/lockdep.c:3169 [inline]
 check_prevs_add kernel/locking/lockdep.c:3284 [inline]
 validate_chain+0x1a4b/0x2140 kernel/locking/lockdep.c:3908
 __lock_acquire+0xab9/0xd20 kernel/locking/lockdep.c:5237
 lock_acquire+0x120/0x360 kernel/locking/lockdep.c:5868
 _raw_spin_lock_nested+0x32/0x50 kernel/locking/spinlock.c:378
 raw_spin_rq_lock_nested+0x2a/0x140 kernel/sched/core.c:638
 raw_spin_rq_lock kernel/sched/sched.h:1546 [inline]
 __task_rq_lock+0xc1/0x470 kernel/sched/core.c:714
 rt_mutex_setprio+0xc8/0xc70 kernel/sched/core.c:7344
 rt_mutex_adjust_prio kernel/locking/rtmutex.c:539 [inline]
 task_blocks_on_rt_mutex kernel/locking/rtmutex.c:1270 [inline]
 rtlock_slowlock_locked+0xe19/0x4010 kernel/locking/rtmutex.c:1851
 rtlock_slowlock kernel/locking/rtmutex.c:1895 [inline]
 rtlock_lock kernel/locking/spinlock_rt.c:43 [inline]
 __rt_spin_lock kernel/locking/spinlock_rt.c:49 [inline]
 rt_spin_lock+0x158/0x3e0 kernel/locking/spinlock_rt.c:57
 spin_lock include/linux/spinlock_rt.h:44 [inline]
 br_forward_delay_timer_expired+0x4f/0x430 net/bridge/br_stp_timer.c:88
 call_timer_fn+0x17e/0x5f0 kernel/time/timer.c:1747
 expire_timers kernel/time/timer.c:1798 [inline]
 __run_timers kernel/time/timer.c:2372 [inline]
 __run_timer_base+0x648/0x970 kernel/time/timer.c:2384
 run_timer_base kernel/time/timer.c:2393 [inline]
 run_timer_softirq+0xb7/0x180 kernel/time/timer.c:2403
 handle_softirqs+0x22f/0x710 kernel/softirq.c:622
 __do_softirq kernel/softirq.c:656 [inline]
 run_ktimerd+0xcf/0x190 kernel/softirq.c:1138
 smpboot_thread_fn+0x542/0xa60 kernel/smpboot.c:160
 kthread+0x711/0x8a0 kernel/kthread.c:463
 ret_from_fork+0x4bc/0x870 arch/x86/kernel/process.c:158
 ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:245
 </TASK>

final repro crashed as (corrupted=false):
Increase LOCKDEP_CIRCULAR_QUEUE_BITS to avoid this warning:
------------[ cut here ]------------
lockdep bfs error:-1
WARNING: CPU: 1 PID: 29 at kernel/locking/lockdep.c:2059 print_bfs_bug+0x29/0x50 kernel/locking/lockdep.c:2059
Modules linked in:
CPU: 1 UID: 0 PID: 29 Comm: ktimers/1 Not tainted syzkaller #0 PREEMPT_{RT,(full)} 
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/02/2025
RIP: 0010:print_bfs_bug+0x29/0x50 kernel/locking/lockdep.c:2059
Code: 90 55 53 89 fb e8 d7 cc d9 02 89 c5 e8 00 a6 ff ff 85 ed 74 19 83 fb ff 74 1c 90 48 c7 c7 b1 f9 d9 8c 89 de e8 28 da e6 ff 90 <0f> 0b 90 90 5b 5d e9 4c c4 27 09 cc 48 c7 c7 05 3a eb 8c e8 3f 11
RSP: 0018:ffffc90000a3f188 EFLAGS: 00010046
RAX: 462620c15cd93600 RBX: 00000000ffffffff RCX: ffff88801be99e00
RDX: 0000000000000100 RSI: 0000000000000000 RDI: 0000000000000100
RBP: 0000000000000001 R08: 0000000000000000 R09: 0000000000000100
R10: dffffc0000000000 R11: ffffed101712487b R12: ffffffff9554c2b8
R13: ffffffff9554c328 R14: ffff88801be9aaa0 R15: 000000000000001c
FS:  0000000000000000(0000) GS:ffff888126efc000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000200000000080 CR3: 0000000035ffa000 CR4: 00000000003526f0
Call Trace:
 <TASK>
 check_irq_usage kernel/locking/lockdep.c:-1 [inline]
 check_prev_add kernel/locking/lockdep.c:3169 [inline]
 check_prevs_add kernel/locking/lockdep.c:3284 [inline]
 validate_chain+0x1a4b/0x2140 kernel/locking/lockdep.c:3908
 __lock_acquire+0xab9/0xd20 kernel/locking/lockdep.c:5237
 lock_acquire+0x120/0x360 kernel/locking/lockdep.c:5868
 _raw_spin_lock_nested+0x32/0x50 kernel/locking/spinlock.c:378
 raw_spin_rq_lock_nested+0x2a/0x140 kernel/sched/core.c:638
 raw_spin_rq_lock kernel/sched/sched.h:1546 [inline]
 __task_rq_lock+0xc1/0x470 kernel/sched/core.c:714
 rt_mutex_setprio+0xc8/0xc70 kernel/sched/core.c:7344
 rt_mutex_adjust_prio kernel/locking/rtmutex.c:539 [inline]
 task_blocks_on_rt_mutex kernel/locking/rtmutex.c:1270 [inline]
 rtlock_slowlock_locked+0xe19/0x4010 kernel/locking/rtmutex.c:1851
 rtlock_slowlock kernel/locking/rtmutex.c:1895 [inline]
 rtlock_lock kernel/locking/spinlock_rt.c:43 [inline]
 __rt_spin_lock kernel/locking/spinlock_rt.c:49 [inline]
 rt_spin_lock+0x158/0x3e0 kernel/locking/spinlock_rt.c:57
 spin_lock include/linux/spinlock_rt.h:44 [inline]
 br_forward_delay_timer_expired+0x4f/0x430 net/bridge/br_stp_timer.c:88
 call_timer_fn+0x17e/0x5f0 kernel/time/timer.c:1747
 expire_timers kernel/time/timer.c:1798 [inline]
 __run_timers kernel/time/timer.c:2372 [inline]
 __run_timer_base+0x648/0x970 kernel/time/timer.c:2384
 run_timer_base kernel/time/timer.c:2393 [inline]
 run_timer_softirq+0xb7/0x180 kernel/time/timer.c:2403
 handle_softirqs+0x22f/0x710 kernel/softirq.c:622
 __do_softirq kernel/softirq.c:656 [inline]
 run_ktimerd+0xcf/0x190 kernel/softirq.c:1138
 smpboot_thread_fn+0x542/0xa60 kernel/smpboot.c:160
 kthread+0x711/0x8a0 kernel/kthread.c:463
 ret_from_fork+0x4bc/0x870 arch/x86/kernel/process.c:158
 ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:245
 </TASK>