Extracting prog: 1m48.645283099s
Minimizing prog: 19m3.343430178s
Simplifying prog options: 0s
Extracting C: 30.096047857s
Simplifying C: 7m30.299663241s


extracting reproducer from 30 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 CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): socket$nl_generic-syz_genetlink_get_family_id$ethtool-sendmsg$ETHTOOL_MSG_RINGS_SET-io_uring_setup-mmap-io_uring_register$IORING_REGISTER_ZCRX_IFQ-sendmsg$ETHTOOL_MSG_RINGS_SET
detailed listing:
executing program 0:
r0 = socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$ethtool(&(0x7f00000001c0), 0xffffffffffffffff)
sendmsg$ETHTOOL_MSG_RINGS_SET(r0, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000200)={0x3c, r1, 0x1, 0x0, 0x0, {}, [@ETHTOOL_A_RINGS_HEADER={0x18, 0x1, 0x0, 0x1, [@ETHTOOL_A_HEADER_DEV_NAME={0x14, 0x2, 'netdevsim0\x00'}]}, @ETHTOOL_A_RINGS_RX={0x8, 0x6, 0x10}]}, 0x3c}}, 0x0)
r2 = io_uring_setup(0x10, &(0x7f0000000300)={0x0, 0x0, 0x3800, 0x0, 0x0, 0x0, 0x0})
mmap(&(0x7f0000800000/0x10000)=nil, 0x10000, 0x3, 0x32, 0xffffffffffffffff, 0x0)
io_uring_register$IORING_REGISTER_ZCRX_IFQ(r2, 0x20, &(0x7f0000000400)={0x2, 0x0, 0x10, 0x0, &(0x7f0000001000)={&(0x7f0000800000), 0x10000}, &(0x7f0000001800)={&(0x7f0000800000), 0x10000, 0x1}, {}, 0x0, 0x1000}, 0x1)
sendmsg$ETHTOOL_MSG_RINGS_SET(r0, &(0x7f00000005c0)={0x0, 0x0, &(0x7f0000000580)={&(0x7f0000000500)={0x3c, r1, 0x1, 0x0, 0x0, {}, [@ETHTOOL_A_RINGS_HEADER={0x18, 0x1, 0x0, 0x1, [@ETHTOOL_A_HEADER_DEV_NAME={0x14, 0x2, 'netdevsim0\x00'}]}, @ETHTOOL_A_RINGS_RX={0x8, 0x6, 0x10}]}, 0x3c}}, 0x0)

program crashed: WARNING in netdev_queue_get_dma_dev
single: successfully extracted reproducer
found reproducer with 7 syscalls
minimizing guilty program
testing program (duration=45.421995111s, {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$nl_generic-syz_genetlink_get_family_id$ethtool-sendmsg$ETHTOOL_MSG_RINGS_SET-io_uring_setup-mmap-io_uring_register$IORING_REGISTER_ZCRX_IFQ
detailed listing:
executing program 0:
r0 = socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$ethtool(&(0x7f00000001c0), 0xffffffffffffffff)
sendmsg$ETHTOOL_MSG_RINGS_SET(r0, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000200)={0x3c, r1, 0x1, 0x0, 0x0, {}, [@ETHTOOL_A_RINGS_HEADER={0x18, 0x1, 0x0, 0x1, [@ETHTOOL_A_HEADER_DEV_NAME={0x14, 0x2, 'netdevsim0\x00'}]}, @ETHTOOL_A_RINGS_RX={0x8, 0x6, 0x10}]}, 0x3c}}, 0x0)
r2 = io_uring_setup(0x10, &(0x7f0000000300)={0x0, 0x0, 0x3800, 0x0, 0x0, 0x0, 0x0})
mmap(&(0x7f0000800000/0x10000)=nil, 0x10000, 0x3, 0x32, 0xffffffffffffffff, 0x0)
io_uring_register$IORING_REGISTER_ZCRX_IFQ(r2, 0x20, &(0x7f0000000400)={0x2, 0x0, 0x10, 0x0, &(0x7f0000001000)={&(0x7f0000800000), 0x10000}, &(0x7f0000001800)={&(0x7f0000800000), 0x10000, 0x1}, {}, 0x0, 0x1000}, 0x1)

program crashed: WARNING in netdev_queue_get_dma_dev
testing program (duration=45.421995111s, {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$nl_generic-syz_genetlink_get_family_id$ethtool-sendmsg$ETHTOOL_MSG_RINGS_SET-io_uring_setup-mmap
detailed listing:
executing program 0:
r0 = socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$ethtool(&(0x7f00000001c0), 0xffffffffffffffff)
sendmsg$ETHTOOL_MSG_RINGS_SET(r0, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000200)={0x3c, r1, 0x1, 0x0, 0x0, {}, [@ETHTOOL_A_RINGS_HEADER={0x18, 0x1, 0x0, 0x1, [@ETHTOOL_A_HEADER_DEV_NAME={0x14, 0x2, 'netdevsim0\x00'}]}, @ETHTOOL_A_RINGS_RX={0x8, 0x6, 0x10}]}, 0x3c}}, 0x0)
io_uring_setup(0x10, &(0x7f0000000300)={0x0, 0x0, 0x3800, 0x0, 0x0, 0x0, 0x0})
mmap(&(0x7f0000800000/0x10000)=nil, 0x10000, 0x3, 0x32, 0xffffffffffffffff, 0x0)

program did not crash
testing program (duration=45.421995111s, {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$nl_generic-syz_genetlink_get_family_id$ethtool-sendmsg$ETHTOOL_MSG_RINGS_SET-io_uring_setup-io_uring_register$IORING_REGISTER_ZCRX_IFQ
detailed listing:
executing program 0:
r0 = socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$ethtool(&(0x7f00000001c0), 0xffffffffffffffff)
sendmsg$ETHTOOL_MSG_RINGS_SET(r0, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000200)={0x3c, r1, 0x1, 0x0, 0x0, {}, [@ETHTOOL_A_RINGS_HEADER={0x18, 0x1, 0x0, 0x1, [@ETHTOOL_A_HEADER_DEV_NAME={0x14, 0x2, 'netdevsim0\x00'}]}, @ETHTOOL_A_RINGS_RX={0x8, 0x6, 0x10}]}, 0x3c}}, 0x0)
r2 = io_uring_setup(0x10, &(0x7f0000000300)={0x0, 0x0, 0x3800, 0x0, 0x0, 0x0, 0x0})
io_uring_register$IORING_REGISTER_ZCRX_IFQ(r2, 0x20, &(0x7f0000000400)={0x2, 0x0, 0x10, 0x0, &(0x7f0000001000)={&(0x7f0000800000), 0x10000}, &(0x7f0000001800)={&(0x7f0000800000), 0x10000, 0x1}, {}, 0x0, 0x1000}, 0x1)

program crashed: WARNING in netdev_queue_get_dma_dev
testing program (duration=45.421995111s, {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$nl_generic-syz_genetlink_get_family_id$ethtool-sendmsg$ETHTOOL_MSG_RINGS_SET-io_uring_register$IORING_REGISTER_ZCRX_IFQ
detailed listing:
executing program 0:
r0 = socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$ethtool(&(0x7f00000001c0), 0xffffffffffffffff)
sendmsg$ETHTOOL_MSG_RINGS_SET(r0, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000200)={0x3c, r1, 0x1, 0x0, 0x0, {}, [@ETHTOOL_A_RINGS_HEADER={0x18, 0x1, 0x0, 0x1, [@ETHTOOL_A_HEADER_DEV_NAME={0x14, 0x2, 'netdevsim0\x00'}]}, @ETHTOOL_A_RINGS_RX={0x8, 0x6, 0x10}]}, 0x3c}}, 0x0)
io_uring_register$IORING_REGISTER_ZCRX_IFQ(0xffffffffffffffff, 0x20, &(0x7f0000000400)={0x2, 0x0, 0x10, 0x0, &(0x7f0000001000)={&(0x7f0000800000), 0x10000}, &(0x7f0000001800)={&(0x7f0000800000), 0x10000, 0x1}, {}, 0x0, 0x1000}, 0x1)

program did not crash
testing program (duration=45.421995111s, {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$nl_generic-syz_genetlink_get_family_id$ethtool-io_uring_setup-io_uring_register$IORING_REGISTER_ZCRX_IFQ
detailed listing:
executing program 0:
socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$ethtool(&(0x7f00000001c0), 0xffffffffffffffff)
r0 = io_uring_setup(0x10, &(0x7f0000000300)={0x0, 0x0, 0x3800, 0x0, 0x0, 0x0, 0x0})
io_uring_register$IORING_REGISTER_ZCRX_IFQ(r0, 0x20, &(0x7f0000000400)={0x2, 0x0, 0x10, 0x0, &(0x7f0000001000)={&(0x7f0000800000), 0x10000}, &(0x7f0000001800)={&(0x7f0000800000), 0x10000, 0x1}, {}, 0x0, 0x1000}, 0x1)

program crashed: WARNING in netdev_queue_get_dma_dev
testing program (duration=45.421995111s, {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$nl_generic-io_uring_setup-io_uring_register$IORING_REGISTER_ZCRX_IFQ
detailed listing:
executing program 0:
socket$nl_generic(0x10, 0x3, 0x10)
r0 = io_uring_setup(0x10, &(0x7f0000000300)={0x0, 0x0, 0x3800, 0x0, 0x0, 0x0, 0x0})
io_uring_register$IORING_REGISTER_ZCRX_IFQ(r0, 0x20, &(0x7f0000000400)={0x2, 0x0, 0x10, 0x0, &(0x7f0000001000)={&(0x7f0000800000), 0x10000}, &(0x7f0000001800)={&(0x7f0000800000), 0x10000, 0x1}, {}, 0x0, 0x1000}, 0x1)

program crashed: WARNING in netdev_queue_get_dma_dev
testing program (duration=45.421995111s, {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}}): io_uring_setup-io_uring_register$IORING_REGISTER_ZCRX_IFQ
detailed listing:
executing program 0:
r0 = io_uring_setup(0x10, &(0x7f0000000300)={0x0, 0x0, 0x3800, 0x0, 0x0, 0x0, 0x0})
io_uring_register$IORING_REGISTER_ZCRX_IFQ(r0, 0x20, &(0x7f0000000400)={0x2, 0x0, 0x10, 0x0, &(0x7f0000001000)={&(0x7f0000800000), 0x10000}, &(0x7f0000001800)={&(0x7f0000800000), 0x10000, 0x1}, {}, 0x0, 0x1000}, 0x1)

program crashed: WARNING in netdev_queue_get_dma_dev
testing program (duration=45.421995111s, {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}}): io_uring_setup-io_uring_register$IORING_REGISTER_ZCRX_IFQ
detailed listing:
executing program 0:
r0 = io_uring_setup(0x10, 0x0)
io_uring_register$IORING_REGISTER_ZCRX_IFQ(r0, 0x20, &(0x7f0000000400)={0x2, 0x0, 0x10, 0x0, &(0x7f0000001000)={&(0x7f0000800000), 0x10000}, &(0x7f0000001800)={&(0x7f0000800000), 0x10000, 0x1}, {}, 0x0, 0x1000}, 0x1)

program did not crash
testing program (duration=45.421995111s, {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}}): io_uring_setup-io_uring_register$IORING_REGISTER_ZCRX_IFQ
detailed listing:
executing program 0:
r0 = io_uring_setup(0x10, &(0x7f0000000300)={0x0, 0x0, 0x3800, 0x0, 0x0, 0x0, 0x0})
io_uring_register$IORING_REGISTER_ZCRX_IFQ(r0, 0x20, 0x0, 0x1)

program did not crash
testing program (duration=45.421995111s, {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}}): io_uring_setup-io_uring_register$IORING_REGISTER_ZCRX_IFQ
detailed listing:
executing program 0:
r0 = io_uring_setup(0x10, &(0x7f0000000300)={0x0, 0x0, 0x3800, 0x0, 0x0, 0x0, 0x0})
io_uring_register$IORING_REGISTER_ZCRX_IFQ(r0, 0x20, &(0x7f0000000400)={0x2, 0x0, 0x10, 0x0, 0x0, &(0x7f0000001800)={&(0x7f0000800000), 0x0, 0x1}, {}, 0x0, 0x1000}, 0x1)

program did not crash
testing program (duration=45.421995111s, {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}}): io_uring_setup-io_uring_register$IORING_REGISTER_ZCRX_IFQ
detailed listing:
executing program 0:
r0 = io_uring_setup(0x10, &(0x7f0000000300)={0x0, 0x0, 0x3800, 0x0, 0x0, 0x0, 0x0})
io_uring_register$IORING_REGISTER_ZCRX_IFQ(r0, 0x20, &(0x7f0000000400)={0x2, 0x0, 0x10, 0x0, &(0x7f0000001000)={0x0}, &(0x7f0000001800)={&(0x7f0000800000), 0x0, 0x1}, {}, 0x0, 0x1000}, 0x1)

program did not crash
testing program (duration=45.421995111s, {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}}): io_uring_setup-io_uring_register$IORING_REGISTER_ZCRX_IFQ
detailed listing:
executing program 0:
r0 = io_uring_setup(0x10, &(0x7f0000000300)={0x0, 0x0, 0x3800, 0x0, 0x0, 0x0, 0x0})
io_uring_register$IORING_REGISTER_ZCRX_IFQ(r0, 0x20, &(0x7f0000000400)={0x2, 0x0, 0x10, 0x0, &(0x7f0000001000)={&(0x7f0000800000)}, 0x0, {}, 0x0, 0x1000}, 0x1)

program did not crash
testing program (duration=45.421995111s, {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}}): io_uring_setup-io_uring_register$IORING_REGISTER_ZCRX_IFQ
detailed listing:
executing program 0:
r0 = io_uring_setup(0x10, &(0x7f0000000300)={0x0, 0x0, 0x3800, 0x0, 0x0, 0x0, 0x0})
io_uring_register$IORING_REGISTER_ZCRX_IFQ(r0, 0x20, &(0x7f0000000400)={0x2, 0x0, 0x10, 0x0, &(0x7f0000001000)={&(0x7f0000800000)}, &(0x7f0000001800)={0x0, 0x0, 0x1}, {}, 0x0, 0x1000}, 0x1)

program did not crash
extracting C reproducer
testing compiled C program (duration=45.421995111s, {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}}): io_uring_setup-io_uring_register$IORING_REGISTER_ZCRX_IFQ
program crashed: WARNING in netdev_queue_get_dma_dev
simplifying C reproducer
testing compiled C program (duration=45.421995111s, {Threaded:false Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): io_uring_setup-io_uring_register$IORING_REGISTER_ZCRX_IFQ
program crashed: WARNING in netdev_queue_get_dma_dev
testing compiled C program (duration=45.421995111s, {Threaded:false Repeat:false RepeatTimes:0 Procs:1 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:false Cgroups:false BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): io_uring_setup-io_uring_register$IORING_REGISTER_ZCRX_IFQ
program crashed: WARNING in netdev_queue_get_dma_dev
testing compiled C program (duration=45.421995111s, {Threaded:false Repeat:false RepeatTimes:0 Procs:1 Slowdown:1 Sandbox: SandboxArg:0 Leak:false NetInjection:false NetDevices:false NetReset:false Cgroups:false BinfmtMisc:false CloseFDs:false KCSAN:false DevlinkPCI:false NicVF:false USB:false VhciInjection:false Wifi:false IEEE802154:true Sysctl:true Swap:false UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): io_uring_setup-io_uring_register$IORING_REGISTER_ZCRX_IFQ
program crashed: WARNING in netdev_queue_get_dma_dev
testing compiled C program (duration=45.421995111s, {Threaded:false Repeat:false 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}}): io_uring_setup-io_uring_register$IORING_REGISTER_ZCRX_IFQ
program crashed: WARNING in netdev_queue_get_dma_dev
testing compiled C program (duration=45.421995111s, {Threaded:false Repeat:false RepeatTimes:0 Procs:1 Slowdown:1 Sandbox: SandboxArg:0 Leak:false NetInjection:false NetDevices:false NetReset:false Cgroups:false BinfmtMisc:false CloseFDs:false KCSAN:false DevlinkPCI:false NicVF:false USB:false VhciInjection:false Wifi:false IEEE802154:false Sysctl:true Swap:false UseTmpDir:false HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): io_uring_setup-io_uring_register$IORING_REGISTER_ZCRX_IFQ
program crashed: WARNING in netdev_queue_get_dma_dev
testing compiled C program (duration=45.421995111s, {Threaded:false Repeat:false 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}}): io_uring_setup-io_uring_register$IORING_REGISTER_ZCRX_IFQ
program crashed: WARNING in netdev_queue_get_dma_dev
testing compiled C program (duration=45.421995111s, {Threaded:false Repeat:false RepeatTimes:0 Procs:1 Slowdown:1 Sandbox: SandboxArg:0 Leak:false NetInjection:false NetDevices:false NetReset:false Cgroups:false BinfmtMisc:false CloseFDs:false KCSAN:false DevlinkPCI:false NicVF:false USB:false VhciInjection:false Wifi:false IEEE802154:false Sysctl:false Swap:false UseTmpDir:false HandleSegv:false Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): io_uring_setup-io_uring_register$IORING_REGISTER_ZCRX_IFQ
program crashed: WARNING in netdev_queue_get_dma_dev
testing program (duration=45.421995111s, {Threaded:false Repeat:false 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}}): io_uring_setup-io_uring_register$IORING_REGISTER_ZCRX_IFQ
detailed listing:
executing program 0:
r0 = io_uring_setup(0x10, &(0x7f0000000300)={0x0, 0x0, 0x3800, 0x0, 0x0, 0x0, 0x0})
io_uring_register$IORING_REGISTER_ZCRX_IFQ(r0, 0x20, &(0x7f0000000400)={0x2, 0x0, 0x10, 0x0, &(0x7f0000001000)={&(0x7f0000800000), 0x10000}, &(0x7f0000001800)={&(0x7f0000800000), 0x10000, 0x1}, {}, 0x0, 0x1000}, 0x1)

program crashed: WARNING in netdev_queue_get_dma_dev
validation run: crashed=true
testing program (duration=45.421995111s, {Threaded:false Repeat:false 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}}): io_uring_setup-io_uring_register$IORING_REGISTER_ZCRX_IFQ
detailed listing:
executing program 0:
r0 = io_uring_setup(0x10, &(0x7f0000000300)={0x0, 0x0, 0x3800, 0x0, 0x0, 0x0, 0x0})
io_uring_register$IORING_REGISTER_ZCRX_IFQ(r0, 0x20, &(0x7f0000000400)={0x2, 0x0, 0x10, 0x0, &(0x7f0000001000)={&(0x7f0000800000), 0x10000}, &(0x7f0000001800)={&(0x7f0000800000), 0x10000, 0x1}, {}, 0x0, 0x1000}, 0x1)

program did not crash
validation run: crashed=false
testing program (duration=45.421995111s, {Threaded:false Repeat:false 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}}): io_uring_setup-io_uring_register$IORING_REGISTER_ZCRX_IFQ
detailed listing:
executing program 0:
r0 = io_uring_setup(0x10, &(0x7f0000000300)={0x0, 0x0, 0x3800, 0x0, 0x0, 0x0, 0x0})
io_uring_register$IORING_REGISTER_ZCRX_IFQ(r0, 0x20, &(0x7f0000000400)={0x2, 0x0, 0x10, 0x0, &(0x7f0000001000)={&(0x7f0000800000), 0x10000}, &(0x7f0000001800)={&(0x7f0000800000), 0x10000, 0x1}, {}, 0x0, 0x1000}, 0x1)

program crashed: WARNING in netdev_queue_get_dma_dev
validation run: crashed=true
testing program (duration=45.421995111s, {Threaded:false Repeat:false 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}}): io_uring_setup-io_uring_register$IORING_REGISTER_ZCRX_IFQ
detailed listing:
executing program 0:
r0 = io_uring_setup(0x10, &(0x7f0000000300)={0x0, 0x0, 0x3800, 0x0, 0x0, 0x0, 0x0})
io_uring_register$IORING_REGISTER_ZCRX_IFQ(r0, 0x20, &(0x7f0000000400)={0x2, 0x0, 0x10, 0x0, &(0x7f0000001000)={&(0x7f0000800000), 0x10000}, &(0x7f0000001800)={&(0x7f0000800000), 0x10000, 0x1}, {}, 0x0, 0x1000}, 0x1)

program crashed: WARNING in netdev_queue_get_dma_dev
validation run: crashed=true
reproducing took 33m42.079292899s
repro crashed as (corrupted=false):
------------[ cut here ]------------
RTNL: assertion failed at ./include/net/netdev_lock.h (72)
WARNING: ./include/net/netdev_lock.h:72 at netdev_assert_locked_ops_compat include/net/netdev_lock.h:72 [inline], CPU#0: syz.0.17/5833
WARNING: ./include/net/netdev_lock.h:72 at netdev_queue_get_dma_dev+0x52e/0x660 net/core/netdev_queues.c:43, CPU#0: syz.0.17/5833
Modules linked in:
CPU: 0 UID: 0 PID: 5833 Comm: syz.0.17 Not tainted syzkaller #0 PREEMPT(full) 
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/16/2026
RIP: 0010:netdev_assert_locked_ops_compat include/net/netdev_lock.h:72 [inline]
RIP: 0010:netdev_queue_get_dma_dev+0x53a/0x660 net/core/netdev_queues.c:43
Code: 89 c5 89 c6 e8 27 f7 68 f8 45 85 ed 0f 85 be fb ff ff e8 a9 fc 68 f8 48 8d 3d 12 0e 90 07 ba 48 00 00 00 48 c7 c6 a0 88 18 8d <67> 48 0f b9 3a e9 9c fb ff ff e8 87 fc 68 f8 48 8d bd 00 08 00 00
RSP: 0018:ffffc9000376fa80 EFLAGS: 00010293
RAX: 0000000000000000 RBX: ffff88802bdfe000 RCX: ffffffff89a16569
RDX: 0000000000000048 RSI: ffffffff8d1888a0 RDI: ffffffff91317390
RBP: 0000000000000000 R08: 0000000000000005 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000001 R12: 0000000000000000
R13: 0000000000000000 R14: ffff88807d9e0568 R15: ffffc9000376fbe0
FS:  000055556c813500(0000) GS:ffff888123dd8000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000200000001000 CR3: 0000000076911000 CR4: 00000000003526f0
Call Trace:
 <TASK>
 zcrx_register_netdev io_uring/zcrx.c:831 [inline]
 io_register_zcrx+0xe94/0x1d30 io_uring/zcrx.c:983
 __io_uring_register io_uring/register.c:942 [inline]
 __do_sys_io_uring_register+0x1193/0x1bc0 io_uring/register.c:1040
 do_syscall_x64 arch/x86/entry/syscall_64.c:63 [inline]
 do_syscall_64+0x115/0x870 arch/x86/entry/syscall_64.c:94
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7f7aea99e019
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:00007fff707fadb8 EFLAGS: 00000246 ORIG_RAX: 00000000000001ab
RAX: ffffffffffffffda RBX: 00007f7aeac25fa0 RCX: 00007f7aea99e019
RDX: 0000200000000400 RSI: 0000000000000020 RDI: 0000000000000003
RBP: 00007f7aeaa3500c R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000001 R11: 0000000000000246 R12: 0000000000000000
R13: 00007f7aeac25fac R14: 00007f7aeac25fa0 R15: 00007f7aeac25fa0
 </TASK>
----------------
Code disassembly (best guess):
   0:	89 c5                	mov    %eax,%ebp
   2:	89 c6                	mov    %eax,%esi
   4:	e8 27 f7 68 f8       	call   0xf868f730
   9:	45 85 ed             	test   %r13d,%r13d
   c:	0f 85 be fb ff ff    	jne    0xfffffbd0
  12:	e8 a9 fc 68 f8       	call   0xf868fcc0
  17:	48 8d 3d 12 0e 90 07 	lea    0x7900e12(%rip),%rdi        # 0x7900e30
  1e:	ba 48 00 00 00       	mov    $0x48,%edx
  23:	48 c7 c6 a0 88 18 8d 	mov    $0xffffffff8d1888a0,%rsi
* 2a:	67 48 0f b9 3a       	ud1    (%edx),%rdi <-- trapping instruction
  2f:	e9 9c fb ff ff       	jmp    0xfffffbd0
  34:	e8 87 fc 68 f8       	call   0xf868fcc0
  39:	48 8d bd 00 08 00 00 	lea    0x800(%rbp),%rdi

final repro crashed as (corrupted=false):
------------[ cut here ]------------
RTNL: assertion failed at ./include/net/netdev_lock.h (72)
WARNING: ./include/net/netdev_lock.h:72 at netdev_assert_locked_ops_compat include/net/netdev_lock.h:72 [inline], CPU#0: syz.0.17/5833
WARNING: ./include/net/netdev_lock.h:72 at netdev_queue_get_dma_dev+0x52e/0x660 net/core/netdev_queues.c:43, CPU#0: syz.0.17/5833
Modules linked in:
CPU: 0 UID: 0 PID: 5833 Comm: syz.0.17 Not tainted syzkaller #0 PREEMPT(full) 
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/16/2026
RIP: 0010:netdev_assert_locked_ops_compat include/net/netdev_lock.h:72 [inline]
RIP: 0010:netdev_queue_get_dma_dev+0x53a/0x660 net/core/netdev_queues.c:43
Code: 89 c5 89 c6 e8 27 f7 68 f8 45 85 ed 0f 85 be fb ff ff e8 a9 fc 68 f8 48 8d 3d 12 0e 90 07 ba 48 00 00 00 48 c7 c6 a0 88 18 8d <67> 48 0f b9 3a e9 9c fb ff ff e8 87 fc 68 f8 48 8d bd 00 08 00 00
RSP: 0018:ffffc9000376fa80 EFLAGS: 00010293
RAX: 0000000000000000 RBX: ffff88802bdfe000 RCX: ffffffff89a16569
RDX: 0000000000000048 RSI: ffffffff8d1888a0 RDI: ffffffff91317390
RBP: 0000000000000000 R08: 0000000000000005 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000001 R12: 0000000000000000
R13: 0000000000000000 R14: ffff88807d9e0568 R15: ffffc9000376fbe0
FS:  000055556c813500(0000) GS:ffff888123dd8000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000200000001000 CR3: 0000000076911000 CR4: 00000000003526f0
Call Trace:
 <TASK>
 zcrx_register_netdev io_uring/zcrx.c:831 [inline]
 io_register_zcrx+0xe94/0x1d30 io_uring/zcrx.c:983
 __io_uring_register io_uring/register.c:942 [inline]
 __do_sys_io_uring_register+0x1193/0x1bc0 io_uring/register.c:1040
 do_syscall_x64 arch/x86/entry/syscall_64.c:63 [inline]
 do_syscall_64+0x115/0x870 arch/x86/entry/syscall_64.c:94
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7f7aea99e019
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:00007fff707fadb8 EFLAGS: 00000246 ORIG_RAX: 00000000000001ab
RAX: ffffffffffffffda RBX: 00007f7aeac25fa0 RCX: 00007f7aea99e019
RDX: 0000200000000400 RSI: 0000000000000020 RDI: 0000000000000003
RBP: 00007f7aeaa3500c R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000001 R11: 0000000000000246 R12: 0000000000000000
R13: 00007f7aeac25fac R14: 00007f7aeac25fa0 R15: 00007f7aeac25fa0
 </TASK>
----------------
Code disassembly (best guess):
   0:	89 c5                	mov    %eax,%ebp
   2:	89 c6                	mov    %eax,%esi
   4:	e8 27 f7 68 f8       	call   0xf868f730
   9:	45 85 ed             	test   %r13d,%r13d
   c:	0f 85 be fb ff ff    	jne    0xfffffbd0
  12:	e8 a9 fc 68 f8       	call   0xf868fcc0
  17:	48 8d 3d 12 0e 90 07 	lea    0x7900e12(%rip),%rdi        # 0x7900e30
  1e:	ba 48 00 00 00       	mov    $0x48,%edx
  23:	48 c7 c6 a0 88 18 8d 	mov    $0xffffffff8d1888a0,%rsi
* 2a:	67 48 0f b9 3a       	ud1    (%edx),%rdi <-- trapping instruction
  2f:	e9 9c fb ff ff       	jmp    0xfffffbd0
  34:	e8 87 fc 68 f8       	call   0xf868fcc0
  39:	48 8d bd 00 08 00 00 	lea    0x800(%rbp),%rdi