Extracting prog: 3m56.90404598s
Minimizing prog: 23m34.450689289s
Simplifying prog options: 5m51.145031657s
Extracting C: 2m53.300866594s
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}}): syz_genetlink_get_family_id$nbd-sendmsg$NBD_CMD_CONNECT-mprotect-socket$nl_generic-sendmsg$ETHTOOL_MSG_LINKMODES_SET
detailed listing:
executing program 0:
r0 = syz_genetlink_get_family_id$nbd(&(0x7f00000000c0), 0xffffffffffffffff)
sendmsg$NBD_CMD_CONNECT(0xffffffffffffffff, &(0x7f0000000240)={0x0, 0x0, &(0x7f0000000000)={&(0x7f00000003c0)=ANY=[@ANYBLOB='h\x00\x00\x00', @ANYRES16=r0, @ANYBLOB="010000000000000000000100000008000100400000000c000200700f0000000000000c00060003000000000000000a000a00272d5d29212b0000140007"], 0x6c}}, 0x0)
mprotect(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x5)
r1 = socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$ETHTOOL_MSG_LINKMODES_SET(r1, &(0x7f0000000240)={0x0, 0x1f, 0x0}, 0x0)

program did not crash
single: failed to extract reproducer
single: executing 1 programs separately with timeout 6m0s
testing program (duration=6m0s, {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}}): syz_genetlink_get_family_id$nbd-sendmsg$NBD_CMD_CONNECT-mprotect-socket$nl_generic-sendmsg$ETHTOOL_MSG_LINKMODES_SET
detailed listing:
executing program 0:
r0 = syz_genetlink_get_family_id$nbd(&(0x7f00000000c0), 0xffffffffffffffff)
sendmsg$NBD_CMD_CONNECT(0xffffffffffffffff, &(0x7f0000000240)={0x0, 0x0, &(0x7f0000000000)={&(0x7f00000003c0)=ANY=[@ANYBLOB='h\x00\x00\x00', @ANYRES16=r0, @ANYBLOB="010000000000000000000100000008000100400000000c000200700f0000000000000c00060003000000000000000a000a00272d5d29212b0000140007"], 0x6c}}, 0x0)
mprotect(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x5)
r1 = socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$ETHTOOL_MSG_LINKMODES_SET(r1, &(0x7f0000000240)={0x0, 0x1f, 0x0}, 0x0)

failed to symbolize report: failed to start scripts/get_maintainer.pl [scripts/get_maintainer.pl --git-min-percent=15 -f fs/jbd2/commit.c]: fork/exec scripts/get_maintainer.pl: no such file or directory
program crashed: general protection fault in __bh_submit
single: successfully extracted reproducer
found reproducer with 5 syscalls
minimizing guilty program
testing program (duration=2m43.512208394s, {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}}): syz_genetlink_get_family_id$nbd-sendmsg$NBD_CMD_CONNECT-mprotect-socket$nl_generic
detailed listing:
executing program 0:
r0 = syz_genetlink_get_family_id$nbd(&(0x7f00000000c0), 0xffffffffffffffff)
sendmsg$NBD_CMD_CONNECT(0xffffffffffffffff, &(0x7f0000000240)={0x0, 0x0, &(0x7f0000000000)={&(0x7f00000003c0)=ANY=[@ANYBLOB='h\x00\x00\x00', @ANYRES16=r0, @ANYBLOB="010000000000000000000100000008000100400000000c000200700f0000000000000c00060003000000000000000a000a00272d5d29212b0000140007"], 0x6c}}, 0x0)
mprotect(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x5)
socket$nl_generic(0x10, 0x3, 0x10)

program did not crash
testing program (duration=2m43.512208394s, {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}}): syz_genetlink_get_family_id$nbd-sendmsg$NBD_CMD_CONNECT-mprotect-sendmsg$ETHTOOL_MSG_LINKMODES_SET
detailed listing:
executing program 0:
r0 = syz_genetlink_get_family_id$nbd(&(0x7f00000000c0), 0xffffffffffffffff)
sendmsg$NBD_CMD_CONNECT(0xffffffffffffffff, &(0x7f0000000240)={0x0, 0x0, &(0x7f0000000000)={&(0x7f00000003c0)=ANY=[@ANYBLOB='h\x00\x00\x00', @ANYRES16=r0, @ANYBLOB="010000000000000000000100000008000100400000000c000200700f0000000000000c00060003000000000000000a000a00272d5d29212b0000140007"], 0x6c}}, 0x0)
mprotect(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x5)
sendmsg$ETHTOOL_MSG_LINKMODES_SET(0xffffffffffffffff, &(0x7f0000000240)={0x0, 0x1f, 0x0}, 0x0)

failed to symbolize report: failed to start scripts/get_maintainer.pl [scripts/get_maintainer.pl --git-min-percent=15 -f fs/jbd2/commit.c]: fork/exec scripts/get_maintainer.pl: no such file or directory
program crashed: general protection fault in __bh_submit
testing program (duration=2m43.512208394s, {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}}): syz_genetlink_get_family_id$nbd-sendmsg$NBD_CMD_CONNECT-sendmsg$ETHTOOL_MSG_LINKMODES_SET
detailed listing:
executing program 0:
r0 = syz_genetlink_get_family_id$nbd(&(0x7f00000000c0), 0xffffffffffffffff)
sendmsg$NBD_CMD_CONNECT(0xffffffffffffffff, &(0x7f0000000240)={0x0, 0x0, &(0x7f0000000000)={&(0x7f00000003c0)=ANY=[@ANYBLOB='h\x00\x00\x00', @ANYRES16=r0, @ANYBLOB="010000000000000000000100000008000100400000000c000200700f0000000000000c00060003000000000000000a000a00272d5d29212b0000140007"], 0x6c}}, 0x0)
sendmsg$ETHTOOL_MSG_LINKMODES_SET(0xffffffffffffffff, &(0x7f0000000240)={0x0, 0x1f, 0x0}, 0x0)

program did not crash
testing program (duration=2m43.512208394s, {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}}): syz_genetlink_get_family_id$nbd-mprotect-sendmsg$ETHTOOL_MSG_LINKMODES_SET
detailed listing:
executing program 0:
syz_genetlink_get_family_id$nbd(&(0x7f00000000c0), 0xffffffffffffffff)
mprotect(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x5)
sendmsg$ETHTOOL_MSG_LINKMODES_SET(0xffffffffffffffff, &(0x7f0000000240)={0x0, 0x1f, 0x0}, 0x0)

program did not crash
testing program (duration=2m43.512208394s, {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}}): sendmsg$NBD_CMD_CONNECT-mprotect-sendmsg$ETHTOOL_MSG_LINKMODES_SET
detailed listing:
executing program 0:
sendmsg$NBD_CMD_CONNECT(0xffffffffffffffff, &(0x7f0000000240)={0x0, 0x0, &(0x7f0000000000)={&(0x7f00000003c0)=ANY=[@ANYBLOB='h\x00\x00\x00', @ANYRES16, @ANYBLOB="010000000000000000000100000008000100400000000c000200700f0000000000000c00060003000000000000000a000a00272d5d29212b0000140007"], 0x6c}}, 0x0)
mprotect(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x5)
sendmsg$ETHTOOL_MSG_LINKMODES_SET(0xffffffffffffffff, &(0x7f0000000240)={0x0, 0x1f, 0x0}, 0x0)

failed to symbolize report: failed to start scripts/get_maintainer.pl [scripts/get_maintainer.pl --git-min-percent=15 -f fs/jbd2/commit.c]: fork/exec scripts/get_maintainer.pl: no such file or directory
program crashed: general protection fault in __bh_submit
testing program (duration=2m43.512208394s, {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}}): sendmsg$NBD_CMD_CONNECT-mprotect-sendmsg$ETHTOOL_MSG_LINKMODES_SET
detailed listing:
executing program 0:
sendmsg$NBD_CMD_CONNECT(0xffffffffffffffff, 0x0, 0x0)
mprotect(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x5)
sendmsg$ETHTOOL_MSG_LINKMODES_SET(0xffffffffffffffff, &(0x7f0000000240)={0x0, 0x1f, 0x0}, 0x0)

program did not crash
testing program (duration=2m43.512208394s, {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}}): sendmsg$NBD_CMD_CONNECT-mprotect-sendmsg$ETHTOOL_MSG_LINKMODES_SET
detailed listing:
executing program 0:
sendmsg$NBD_CMD_CONNECT(0xffffffffffffffff, &(0x7f0000000240)={0x0, 0x0, 0x0}, 0x0)
mprotect(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x5)
sendmsg$ETHTOOL_MSG_LINKMODES_SET(0xffffffffffffffff, &(0x7f0000000240)={0x0, 0x1f, 0x0}, 0x0)

program did not crash
testing program (duration=2m43.512208394s, {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}}): sendmsg$NBD_CMD_CONNECT-mprotect-sendmsg$ETHTOOL_MSG_LINKMODES_SET
detailed listing:
executing program 0:
sendmsg$NBD_CMD_CONNECT(0xffffffffffffffff, &(0x7f0000000240)={0x0, 0x0, &(0x7f0000000000)={0x0, 0x6c}}, 0x0)
mprotect(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x5)
sendmsg$ETHTOOL_MSG_LINKMODES_SET(0xffffffffffffffff, &(0x7f0000000240)={0x0, 0x1f, 0x0}, 0x0)

failed to symbolize report: failed to start scripts/get_maintainer.pl [scripts/get_maintainer.pl --git-min-percent=15 -f fs/jbd2/commit.c]: fork/exec scripts/get_maintainer.pl: no such file or directory
program crashed: general protection fault in __bh_submit
testing program (duration=2m43.512208394s, {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}}): sendmsg$NBD_CMD_CONNECT-mprotect-sendmsg$ETHTOOL_MSG_LINKMODES_SET
detailed listing:
executing program 0:
sendmsg$NBD_CMD_CONNECT(0xffffffffffffffff, &(0x7f0000000240)={0x0, 0x0, &(0x7f0000000000)={0x0, 0x6c}}, 0x0)
mprotect(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x5)
sendmsg$ETHTOOL_MSG_LINKMODES_SET(0xffffffffffffffff, 0x0, 0x0)

program did not crash
extracting C reproducer
testing compiled C program (duration=2m43.512208394s, {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}}): sendmsg$NBD_CMD_CONNECT-mprotect-sendmsg$ETHTOOL_MSG_LINKMODES_SET
program did not crash
simplifying guilty program options
testing program (duration=2m43.512208394s, {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}}): sendmsg$NBD_CMD_CONNECT-mprotect-sendmsg$ETHTOOL_MSG_LINKMODES_SET
detailed listing:
executing program 0:
sendmsg$NBD_CMD_CONNECT(0xffffffffffffffff, &(0x7f0000000240)={0x0, 0x0, &(0x7f0000000000)={0x0, 0x6c}}, 0x0)
mprotect(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x5)
sendmsg$ETHTOOL_MSG_LINKMODES_SET(0xffffffffffffffff, &(0x7f0000000240)={0x0, 0x1f, 0x0}, 0x0)

program did not crash
testing program (duration=2m43.512208394s, {Threaded:true 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}}): sendmsg$NBD_CMD_CONNECT-mprotect-sendmsg$ETHTOOL_MSG_LINKMODES_SET
detailed listing:
executing program 0:
sendmsg$NBD_CMD_CONNECT(0xffffffffffffffff, &(0x7f0000000240)={0x0, 0x0, &(0x7f0000000000)={0x0, 0x6c}}, 0x0)
mprotect(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x5)
sendmsg$ETHTOOL_MSG_LINKMODES_SET(0xffffffffffffffff, &(0x7f0000000240)={0x0, 0x1f, 0x0}, 0x0)

program did not crash
testing program (duration=2m43.512208394s, {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}}): sendmsg$NBD_CMD_CONNECT-mprotect-sendmsg$ETHTOOL_MSG_LINKMODES_SET
detailed listing:
executing program 0:
sendmsg$NBD_CMD_CONNECT(0xffffffffffffffff, &(0x7f0000000240)={0x0, 0x0, &(0x7f0000000000)={0x0, 0x6c}}, 0x0)
mprotect(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x5)
sendmsg$ETHTOOL_MSG_LINKMODES_SET(0xffffffffffffffff, &(0x7f0000000240)={0x0, 0x1f, 0x0}, 0x0)

failed to symbolize report: failed to start scripts/get_maintainer.pl [scripts/get_maintainer.pl --git-min-percent=15 -f fs/jbd2/commit.c]: fork/exec scripts/get_maintainer.pl: no such file or directory
program crashed: general protection fault in __bh_submit
validation run: crashed=true
testing program (duration=2m43.512208394s, {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}}): sendmsg$NBD_CMD_CONNECT-mprotect-sendmsg$ETHTOOL_MSG_LINKMODES_SET
detailed listing:
executing program 0:
sendmsg$NBD_CMD_CONNECT(0xffffffffffffffff, &(0x7f0000000240)={0x0, 0x0, &(0x7f0000000000)={0x0, 0x6c}}, 0x0)
mprotect(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x5)
sendmsg$ETHTOOL_MSG_LINKMODES_SET(0xffffffffffffffff, &(0x7f0000000240)={0x0, 0x1f, 0x0}, 0x0)

failed to symbolize report: failed to start scripts/get_maintainer.pl [scripts/get_maintainer.pl --git-min-percent=15 -f fs/jbd2/commit.c]: fork/exec scripts/get_maintainer.pl: no such file or directory
program crashed: general protection fault in __bh_submit
validation run: crashed=true
testing program (duration=2m43.512208394s, {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}}): sendmsg$NBD_CMD_CONNECT-mprotect-sendmsg$ETHTOOL_MSG_LINKMODES_SET
detailed listing:
executing program 0:
sendmsg$NBD_CMD_CONNECT(0xffffffffffffffff, &(0x7f0000000240)={0x0, 0x0, &(0x7f0000000000)={0x0, 0x6c}}, 0x0)
mprotect(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x5)
sendmsg$ETHTOOL_MSG_LINKMODES_SET(0xffffffffffffffff, &(0x7f0000000240)={0x0, 0x1f, 0x0}, 0x0)

program did not crash
validation run: crashed=false
testing program (duration=2m43.512208394s, {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}}): sendmsg$NBD_CMD_CONNECT-mprotect-sendmsg$ETHTOOL_MSG_LINKMODES_SET
detailed listing:
executing program 0:
sendmsg$NBD_CMD_CONNECT(0xffffffffffffffff, &(0x7f0000000240)={0x0, 0x0, &(0x7f0000000000)={0x0, 0x6c}}, 0x0)
mprotect(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x5)
sendmsg$ETHTOOL_MSG_LINKMODES_SET(0xffffffffffffffff, &(0x7f0000000240)={0x0, 0x1f, 0x0}, 0x0)

failed to symbolize report: failed to start scripts/get_maintainer.pl [scripts/get_maintainer.pl --git-min-percent=15 -f fs/jbd2/commit.c]: fork/exec scripts/get_maintainer.pl: no such file or directory
program crashed: general protection fault in __bh_submit
validation run: crashed=true
reproducing took 47m48.4752242s
repro crashed as (corrupted=false):
Oops: general protection fault, probably for non-canonical address 0xdffffc0000000001: 0000 [#1] SMP KASAN PTI
KASAN: null-ptr-deref in range [0x0000000000000008-0x000000000000000f]
CPU: 0 UID: 0 PID: 4946 Comm: jbd2/sda1-8 Not tainted syzkaller #0 PREEMPT(full) 
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026
RIP: 0010:const_folio_flags include/linux/page-flags.h:345 [inline]
RIP: 0010:folio_test_dropbehind include/linux/page-flags.h:600 [inline]
RIP: 0010:__bh_submit+0x22d/0x8d0 fs/buffer.c:1109
Code: c1 e8 03 48 89 44 24 18 42 80 3c 20 00 74 08 48 89 df e8 f6 e7 d7 ff 48 89 5c 24 28 48 8b 1b 4c 8d 7b 08 4c 89 f8 48 c1 e8 03 <42> 80 3c 20 00 74 08 4c 89 ff e8 d4 e7 d7 ff 4d 8b 3f 4c 89 fe 48
RSP: 0018:ffffc9000727f868 EFLAGS: 00010202
RAX: 0000000000000001 RBX: 0000000000000000 RCX: ffffffff84b9d9a9
RDX: 0000000000000001 RSI: 0000000000000004 RDI: ffff888075333a20
RBP: 0000000000009801 R08: ffff888075333a7f R09: 1ffff1100ea6674f
R10: dffffc0000000000 R11: ffffed100ea66750 R12: dffffc0000000000
R13: ffff888075333a00 R14: ffff88806f8bd000 R15: 0000000000000008
FS:  0000000000000000(0000) GS:ffff88812485b000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007fb3d0027dac CR3: 0000000071468000 CR4: 00000000003526f0
Call Trace:
 <TASK>
 jbd2_journal_commit_transaction+0x2285/0x5c80 fs/jbd2/commit.c:751
 kjournald2+0x3bc/0x740 fs/jbd2/journal.c:200
 kthread+0x38b/0x480 kernel/kthread.c:436
 ret_from_fork+0x514/0xb70 arch/x86/kernel/process.c:158
 ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:245
 </TASK>
Modules linked in:
---[ end trace 0000000000000000 ]---
RIP: 0010:const_folio_flags include/linux/page-flags.h:345 [inline]
RIP: 0010:folio_test_dropbehind include/linux/page-flags.h:600 [inline]
RIP: 0010:__bh_submit+0x22d/0x8d0 fs/buffer.c:1109
Code: c1 e8 03 48 89 44 24 18 42 80 3c 20 00 74 08 48 89 df e8 f6 e7 d7 ff 48 89 5c 24 28 48 8b 1b 4c 8d 7b 08 4c 89 f8 48 c1 e8 03 <42> 80 3c 20 00 74 08 4c 89 ff e8 d4 e7 d7 ff 4d 8b 3f 4c 89 fe 48
RSP: 0018:ffffc9000727f868 EFLAGS: 00010202
RAX: 0000000000000001 RBX: 0000000000000000 RCX: ffffffff84b9d9a9
RDX: 0000000000000001 RSI: 0000000000000004 RDI: ffff888075333a20
RBP: 0000000000009801 R08: ffff888075333a7f R09: 1ffff1100ea6674f
R10: dffffc0000000000 R11: ffffed100ea66750 R12: dffffc0000000000
R13: ffff888075333a00 R14: ffff88806f8bd000 R15: 0000000000000008
FS:  0000000000000000(0000) GS:ffff88812485b000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f04fdfed158 CR3: 0000000073ae4000 CR4: 00000000003526f0
----------------
Code disassembly (best guess):
   0:	c1 e8 03             	shr    $0x3,%eax
   3:	48 89 44 24 18       	mov    %rax,0x18(%rsp)
   8:	42 80 3c 20 00       	cmpb   $0x0,(%rax,%r12,1)
   d:	74 08                	je     0x17
   f:	48 89 df             	mov    %rbx,%rdi
  12:	e8 f6 e7 d7 ff       	call   0xffd7e80d
  17:	48 89 5c 24 28       	mov    %rbx,0x28(%rsp)
  1c:	48 8b 1b             	mov    (%rbx),%rbx
  1f:	4c 8d 7b 08          	lea    0x8(%rbx),%r15
  23:	4c 89 f8             	mov    %r15,%rax
  26:	48 c1 e8 03          	shr    $0x3,%rax
* 2a:	42 80 3c 20 00       	cmpb   $0x0,(%rax,%r12,1) <-- trapping instruction
  2f:	74 08                	je     0x39
  31:	4c 89 ff             	mov    %r15,%rdi
  34:	e8 d4 e7 d7 ff       	call   0xffd7e80d
  39:	4d 8b 3f             	mov    (%r15),%r15
  3c:	4c 89 fe             	mov    %r15,%rsi
  3f:	48                   	rex.W

final repro crashed as (corrupted=false):
Oops: general protection fault, probably for non-canonical address 0xdffffc0000000001: 0000 [#1] SMP KASAN PTI
KASAN: null-ptr-deref in range [0x0000000000000008-0x000000000000000f]
CPU: 0 UID: 0 PID: 4946 Comm: jbd2/sda1-8 Not tainted syzkaller #0 PREEMPT(full) 
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026
RIP: 0010:const_folio_flags include/linux/page-flags.h:345 [inline]
RIP: 0010:folio_test_dropbehind include/linux/page-flags.h:600 [inline]
RIP: 0010:__bh_submit+0x22d/0x8d0 fs/buffer.c:1109
Code: c1 e8 03 48 89 44 24 18 42 80 3c 20 00 74 08 48 89 df e8 f6 e7 d7 ff 48 89 5c 24 28 48 8b 1b 4c 8d 7b 08 4c 89 f8 48 c1 e8 03 <42> 80 3c 20 00 74 08 4c 89 ff e8 d4 e7 d7 ff 4d 8b 3f 4c 89 fe 48
RSP: 0018:ffffc9000727f868 EFLAGS: 00010202
RAX: 0000000000000001 RBX: 0000000000000000 RCX: ffffffff84b9d9a9
RDX: 0000000000000001 RSI: 0000000000000004 RDI: ffff888075333a20
RBP: 0000000000009801 R08: ffff888075333a7f R09: 1ffff1100ea6674f
R10: dffffc0000000000 R11: ffffed100ea66750 R12: dffffc0000000000
R13: ffff888075333a00 R14: ffff88806f8bd000 R15: 0000000000000008
FS:  0000000000000000(0000) GS:ffff88812485b000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007fb3d0027dac CR3: 0000000071468000 CR4: 00000000003526f0
Call Trace:
 <TASK>
 jbd2_journal_commit_transaction+0x2285/0x5c80 fs/jbd2/commit.c:751
 kjournald2+0x3bc/0x740 fs/jbd2/journal.c:200
 kthread+0x38b/0x480 kernel/kthread.c:436
 ret_from_fork+0x514/0xb70 arch/x86/kernel/process.c:158
 ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:245
 </TASK>
Modules linked in:
---[ end trace 0000000000000000 ]---
RIP: 0010:const_folio_flags include/linux/page-flags.h:345 [inline]
RIP: 0010:folio_test_dropbehind include/linux/page-flags.h:600 [inline]
RIP: 0010:__bh_submit+0x22d/0x8d0 fs/buffer.c:1109
Code: c1 e8 03 48 89 44 24 18 42 80 3c 20 00 74 08 48 89 df e8 f6 e7 d7 ff 48 89 5c 24 28 48 8b 1b 4c 8d 7b 08 4c 89 f8 48 c1 e8 03 <42> 80 3c 20 00 74 08 4c 89 ff e8 d4 e7 d7 ff 4d 8b 3f 4c 89 fe 48
RSP: 0018:ffffc9000727f868 EFLAGS: 00010202
RAX: 0000000000000001 RBX: 0000000000000000 RCX: ffffffff84b9d9a9
RDX: 0000000000000001 RSI: 0000000000000004 RDI: ffff888075333a20
RBP: 0000000000009801 R08: ffff888075333a7f R09: 1ffff1100ea6674f
R10: dffffc0000000000 R11: ffffed100ea66750 R12: dffffc0000000000
R13: ffff888075333a00 R14: ffff88806f8bd000 R15: 0000000000000008
FS:  0000000000000000(0000) GS:ffff88812485b000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f04fdfed158 CR3: 0000000073ae4000 CR4: 00000000003526f0
----------------
Code disassembly (best guess):
   0:	c1 e8 03             	shr    $0x3,%eax
   3:	48 89 44 24 18       	mov    %rax,0x18(%rsp)
   8:	42 80 3c 20 00       	cmpb   $0x0,(%rax,%r12,1)
   d:	74 08                	je     0x17
   f:	48 89 df             	mov    %rbx,%rdi
  12:	e8 f6 e7 d7 ff       	call   0xffd7e80d
  17:	48 89 5c 24 28       	mov    %rbx,0x28(%rsp)
  1c:	48 8b 1b             	mov    (%rbx),%rbx
  1f:	4c 8d 7b 08          	lea    0x8(%rbx),%r15
  23:	4c 89 f8             	mov    %r15,%rax
  26:	48 c1 e8 03          	shr    $0x3,%rax
* 2a:	42 80 3c 20 00       	cmpb   $0x0,(%rax,%r12,1) <-- trapping instruction
  2f:	74 08                	je     0x39
  31:	4c 89 ff             	mov    %r15,%rdi
  34:	e8 d4 e7 d7 ff       	call   0xffd7e80d
  39:	4d 8b 3f             	mov    (%r15),%r15
  3c:	4c 89 fe             	mov    %r15,%rsi
  3f:	48                   	rex.W