Extracting prog: 2m15.901386616s
Minimizing prog: 11m39.431409871s
Simplifying prog options: 4m27.064231637s
Extracting C: 29.16418035s
Simplifying C: 0s


extracting reproducer from 1 programs
testing a last program of every proc
single: executing 1 programs separately with timeout 30s
testing program (duration=30s, {Threaded:true Repeat:true RepeatTimes:0 Procs:4 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$rds-bind$rds-sendmsg$rds-ioctl$XFS_IOC_GETBMAP
detailed listing:
executing program 0:
r0 = socket$rds(0x15, 0x5, 0x0)
bind$rds(r0, &(0x7f0000000040)={0x2, 0x4e21, @local}, 0x10)
sendmsg$rds(r0, &(0x7f0000000140)={&(0x7f00000000c0)={0x2, 0x4e21, @local}, 0x10, 0x0, 0x0, 0x0, 0x0, 0x8800}, 0x40)
ioctl$XFS_IOC_GETBMAP(0xffffffffffffffff, 0xc0205826, 0x0)

program did not crash
single: failed to extract reproducer
single: executing 1 programs separately with timeout 1m40s
testing program (duration=1m40s, {Threaded:true Repeat:true RepeatTimes:0 Procs:4 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$rds-bind$rds-sendmsg$rds-ioctl$XFS_IOC_GETBMAP
detailed listing:
executing program 0:
r0 = socket$rds(0x15, 0x5, 0x0)
bind$rds(r0, &(0x7f0000000040)={0x2, 0x4e21, @local}, 0x10)
sendmsg$rds(r0, &(0x7f0000000140)={&(0x7f00000000c0)={0x2, 0x4e21, @local}, 0x10, 0x0, 0x0, 0x0, 0x0, 0x8800}, 0x40)
ioctl$XFS_IOC_GETBMAP(0xffffffffffffffff, 0xc0205826, 0x0)

program crashed: BUG: MAX_LOCKDEP_KEYS too low!
single: successfully extracted reproducer
found reproducer with 4 syscalls
minimizing guilty program
testing program (duration=1m40s, {Threaded:true Repeat:true RepeatTimes:0 Procs:4 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$rds-bind$rds-sendmsg$rds
detailed listing:
executing program 0:
r0 = socket$rds(0x15, 0x5, 0x0)
bind$rds(r0, &(0x7f0000000040)={0x2, 0x4e21, @local}, 0x10)
sendmsg$rds(r0, &(0x7f0000000140)={&(0x7f00000000c0)={0x2, 0x4e21, @local}, 0x10, 0x0, 0x0, 0x0, 0x0, 0x8800}, 0x40)

program crashed: BUG: MAX_LOCKDEP_KEYS too low!
testing program (duration=1m40s, {Threaded:true Repeat:true RepeatTimes:0 Procs:4 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$rds-bind$rds
detailed listing:
executing program 0:
r0 = socket$rds(0x15, 0x5, 0x0)
bind$rds(r0, &(0x7f0000000040)={0x2, 0x4e21, @local}, 0x10)

program did not crash
testing program (duration=1m40s, {Threaded:true Repeat:true RepeatTimes:0 Procs:4 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$rds-sendmsg$rds
detailed listing:
executing program 0:
r0 = socket$rds(0x15, 0x5, 0x0)
sendmsg$rds(r0, &(0x7f0000000140)={&(0x7f00000000c0)={0x2, 0x4e21, @local}, 0x10, 0x0, 0x0, 0x0, 0x0, 0x8800}, 0x40)

program did not crash
testing program (duration=1m40s, {Threaded:true Repeat:true RepeatTimes:0 Procs:4 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}}): bind$rds-sendmsg$rds
detailed listing:
executing program 0:
bind$rds(0xffffffffffffffff, &(0x7f0000000040)={0x2, 0x4e21, @local}, 0x10)
sendmsg$rds(0xffffffffffffffff, &(0x7f0000000140)={&(0x7f00000000c0)={0x2, 0x4e21, @local}, 0x10, 0x0, 0x0, 0x0, 0x0, 0x8800}, 0x40)

program did not crash
testing program (duration=1m40s, {Threaded:true Repeat:true RepeatTimes:0 Procs:4 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$rds-bind$rds-sendmsg$rds
detailed listing:
executing program 0:
r0 = socket$rds(0x15, 0x5, 0x0)
bind$rds(r0, 0x0, 0x0)
sendmsg$rds(r0, &(0x7f0000000140)={&(0x7f00000000c0)={0x2, 0x4e21, @local}, 0x10, 0x0, 0x0, 0x0, 0x0, 0x8800}, 0x40)

program did not crash
testing program (duration=1m40s, {Threaded:true Repeat:true RepeatTimes:0 Procs:4 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$rds-bind$rds-sendmsg$rds
detailed listing:
executing program 0:
r0 = socket$rds(0x15, 0x5, 0x0)
bind$rds(r0, &(0x7f0000000040)={0x2, 0x4e21, @local}, 0x10)
sendmsg$rds(r0, 0x0, 0x40)

program did not crash
testing program (duration=1m40s, {Threaded:true Repeat:true RepeatTimes:0 Procs:4 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$rds-bind$rds-sendmsg$rds
detailed listing:
executing program 0:
r0 = socket$rds(0x15, 0x5, 0x0)
bind$rds(r0, &(0x7f0000000040)={0x2, 0x4e21, @local}, 0x10)
sendmsg$rds(r0, &(0x7f0000000140)={0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x8800}, 0x40)

program did not crash
extracting C reproducer
testing compiled C program (duration=1m40s, {Threaded:true Repeat:true RepeatTimes:0 Procs:4 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$rds-bind$rds-sendmsg$rds
program did not crash
simplifying guilty program options
testing program (duration=1m40s, {Threaded:false Repeat:true RepeatTimes:0 Procs:4 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): socket$rds-bind$rds-sendmsg$rds
detailed listing:
executing program 0:
r0 = socket$rds(0x15, 0x5, 0x0)
bind$rds(r0, &(0x7f0000000040)={0x2, 0x4e21, @local}, 0x10)
sendmsg$rds(r0, &(0x7f0000000140)={&(0x7f00000000c0)={0x2, 0x4e21, @local}, 0x10, 0x0, 0x0, 0x0, 0x0, 0x8800}, 0x40)

program crashed: BUG: MAX_LOCKDEP_KEYS too low!
extracting C reproducer
testing compiled C program (duration=1m40s, {Threaded:false Repeat:true RepeatTimes:0 Procs:4 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$rds-bind$rds-sendmsg$rds
program did not crash
testing program (duration=1m40s, {Threaded:false Repeat:true RepeatTimes:0 Procs:1 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): socket$rds-bind$rds-sendmsg$rds
detailed listing:
executing program 0:
r0 = socket$rds(0x15, 0x5, 0x0)
bind$rds(r0, &(0x7f0000000040)={0x2, 0x4e21, @local}, 0x10)
sendmsg$rds(r0, &(0x7f0000000140)={&(0x7f00000000c0)={0x2, 0x4e21, @local}, 0x10, 0x0, 0x0, 0x0, 0x0, 0x8800}, 0x40)

program did not crash
testing program (duration=1m40s, {Threaded:false Repeat:true RepeatTimes:0 Procs:4 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$rds-bind$rds-sendmsg$rds
detailed listing:
executing program 0:
r0 = socket$rds(0x15, 0x5, 0x0)
bind$rds(r0, &(0x7f0000000040)={0x2, 0x4e21, @local}, 0x10)
sendmsg$rds(r0, &(0x7f0000000140)={&(0x7f00000000c0)={0x2, 0x4e21, @local}, 0x10, 0x0, 0x0, 0x0, 0x0, 0x8800}, 0x40)

program crashed: BUG: MAX_LOCKDEP_KEYS too low!
validation run: crashed=true
testing program (duration=1m40s, {Threaded:false Repeat:true RepeatTimes:0 Procs:4 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$rds-bind$rds-sendmsg$rds
detailed listing:
executing program 0:
r0 = socket$rds(0x15, 0x5, 0x0)
bind$rds(r0, &(0x7f0000000040)={0x2, 0x4e21, @local}, 0x10)
sendmsg$rds(r0, &(0x7f0000000140)={&(0x7f00000000c0)={0x2, 0x4e21, @local}, 0x10, 0x0, 0x0, 0x0, 0x0, 0x8800}, 0x40)

program crashed: BUG: MAX_LOCKDEP_KEYS too low!
validation run: crashed=true
testing program (duration=1m40s, {Threaded:false Repeat:true RepeatTimes:0 Procs:4 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$rds-bind$rds-sendmsg$rds
detailed listing:
executing program 0:
r0 = socket$rds(0x15, 0x5, 0x0)
bind$rds(r0, &(0x7f0000000040)={0x2, 0x4e21, @local}, 0x10)
sendmsg$rds(r0, &(0x7f0000000140)={&(0x7f00000000c0)={0x2, 0x4e21, @local}, 0x10, 0x0, 0x0, 0x0, 0x0, 0x8800}, 0x40)

program crashed: BUG: MAX_LOCKDEP_KEYS too low!
validation run: crashed=true
reproducing took 22m32.683873726s
repro crashed as (corrupted=false):
BUG: MAX_LOCKDEP_KEYS too low!
turning off the locking correctness validator.
CPU: 3 UID: 0 PID: 9117 Comm: syz.0.2977 Not tainted syzkaller #0 PREEMPT(full) 
Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2 04/01/2014
Call Trace:
 <TASK>
 __dump_stack lib/dump_stack.c:94 [inline]
 dump_stack_lvl+0x100/0x190 lib/dump_stack.c:120
 register_lock_class+0x5e6/0x7b0 kernel/locking/lockdep.c:1348
 __lock_acquire+0x3e7/0x1ec0 kernel/locking/lockdep.c:5128
 lock_acquire kernel/locking/lockdep.c:5886 [inline]
 lock_acquire+0x1b9/0x370 kernel/locking/lockdep.c:5843
 touch_wq_lockdep_map+0xad/0x1c0 kernel/workqueue.c:4102
 __flush_workqueue+0x131/0x1200 kernel/workqueue.c:4144
 drain_workqueue+0x175/0x3b0 kernel/workqueue.c:4308
 destroy_workqueue+0xc3/0xa30 kernel/workqueue.c:6146
 __rds_conn_create+0x1671/0x25a0 net/rds/connection.c:354
 rds_conn_create_outgoing+0x44/0x60 net/rds/connection.c:377
 rds_sendmsg+0x10da/0x34d0 net/rds/send.c:1340
 sock_sendmsg_nosec net/socket.c:800 [inline]
 __sock_sendmsg net/socket.c:815 [inline]
 ____sys_sendmsg+0xa4d/0xbe0 net/socket.c:2713
 ___sys_sendmsg+0x190/0x1e0 net/socket.c:2767
 __sys_sendmsg+0x160/0x210 net/socket.c:2799
 do_syscall_x64 arch/x86/entry/syscall_64.c:61 [inline]
 do_syscall_64+0x123/0x790 arch/x86/entry/syscall_64.c:84
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7fb0d219e0d9
Code: ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48
RSP: 002b:00007fff37a50eb8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
RAX: ffffffffffffffda RBX: 00007fb0d2425fa0 RCX: 00007fb0d219e0d9
RDX: 0000000000000040 RSI: 0000200000000140 RDI: 0000000000000003
RBP: 00007fb0d2235024 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007fb0d2425fac R14: 00007fb0d2425fa0 R15: 00007fb0d2425fa0
 </TASK>

final repro crashed as (corrupted=false):
BUG: MAX_LOCKDEP_KEYS too low!
turning off the locking correctness validator.
CPU: 3 UID: 0 PID: 9117 Comm: syz.0.2977 Not tainted syzkaller #0 PREEMPT(full) 
Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2 04/01/2014
Call Trace:
 <TASK>
 __dump_stack lib/dump_stack.c:94 [inline]
 dump_stack_lvl+0x100/0x190 lib/dump_stack.c:120
 register_lock_class+0x5e6/0x7b0 kernel/locking/lockdep.c:1348
 __lock_acquire+0x3e7/0x1ec0 kernel/locking/lockdep.c:5128
 lock_acquire kernel/locking/lockdep.c:5886 [inline]
 lock_acquire+0x1b9/0x370 kernel/locking/lockdep.c:5843
 touch_wq_lockdep_map+0xad/0x1c0 kernel/workqueue.c:4102
 __flush_workqueue+0x131/0x1200 kernel/workqueue.c:4144
 drain_workqueue+0x175/0x3b0 kernel/workqueue.c:4308
 destroy_workqueue+0xc3/0xa30 kernel/workqueue.c:6146
 __rds_conn_create+0x1671/0x25a0 net/rds/connection.c:354
 rds_conn_create_outgoing+0x44/0x60 net/rds/connection.c:377
 rds_sendmsg+0x10da/0x34d0 net/rds/send.c:1340
 sock_sendmsg_nosec net/socket.c:800 [inline]
 __sock_sendmsg net/socket.c:815 [inline]
 ____sys_sendmsg+0xa4d/0xbe0 net/socket.c:2713
 ___sys_sendmsg+0x190/0x1e0 net/socket.c:2767
 __sys_sendmsg+0x160/0x210 net/socket.c:2799
 do_syscall_x64 arch/x86/entry/syscall_64.c:61 [inline]
 do_syscall_64+0x123/0x790 arch/x86/entry/syscall_64.c:84
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7fb0d219e0d9
Code: ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48
RSP: 002b:00007fff37a50eb8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
RAX: ffffffffffffffda RBX: 00007fb0d2425fa0 RCX: 00007fb0d219e0d9
RDX: 0000000000000040 RSI: 0000200000000140 RDI: 0000000000000003
RBP: 00007fb0d2235024 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007fb0d2425fac R14: 00007fb0d2425fa0 R15: 00007fb0d2425fa0
 </TASK>