Extracting prog: 42.488277472s
Minimizing prog: 17m11.730963545s
Simplifying prog options: 3m4.467715021s
Extracting C: 59.036972512s
Simplifying C: 0s


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 LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): socket$nl_netfilter-sendmsg$NFT_BATCH-socket-setsockopt$netlink_NETLINK_TX_RING-sendmsg$nl_generic-socket$inet_udp-socket$kcm-sendmsg$kcm-setsockopt$inet_MCAST_JOIN_GROUP-setsockopt$inet_group_source_req-sendmsg$NFT_BATCH
detailed listing:
executing program 0:
r0 = socket$nl_netfilter(0x10, 0x3, 0xc)
sendmsg$NFT_BATCH(r0, &(0x7f000000c2c0)={0x0, 0x0, &(0x7f0000000200)={&(0x7f0000000100)=ANY=[@ANYBLOB="140000001000010000000000000000000000000a28000000000a0101000000005e1affd5020000000900010073797a300000000008000240000000032c000000030a01030000e6ff00000000020100000900010073797a30000000000900030073797a320000000014000000110001"], 0x7c}}, 0x0)
r1 = socket(0x10, 0x3, 0x0)
setsockopt$netlink_NETLINK_TX_RING(r1, 0x10e, 0xc, &(0x7f0000000040)={0x802}, 0x10)
sendmsg$nl_generic(r1, &(0x7f0000000240)={0x0, 0x0, &(0x7f0000000080)={&(0x7f00000002c0)={0x18, 0x52, 0x1, 0x0, 0x0, {0x1c}, [@nested={0x4, 0x6}]}, 0x18}}, 0x0)
r2 = socket$inet_udp(0x2, 0x2, 0x0)
r3 = socket$kcm(0x10, 0x2, 0x0)
sendmsg$kcm(r3, &(0x7f0000000000)={0x0, 0x5, &(0x7f0000000280)=[{&(0x7f0000000300)="d8000000180081054e81f782db4cb904021d080406037c09e8fe55a10a0015400400142603600e122f00160006000500a8000600200006400700027c035c0461c1d67f6f94007134cf6efb8000a007a290457f0189b316277ce06bbace8017cbec4c2ee5a7cef4090000001fb791643a5ee4ce1b14d6d930dfe1d9d322fe7c9f8775730d16a4683f5aeb4edbb57a5025ccca9e00360db798262f3d40fad95667e006dcdf63951f215ce3bb9ad809d5e1cace81ed0bffece0b42a9ecbee5de6ccd40dd6e4edef3d93452a92954b43370e9703920723f9a941", 0xd8}], 0x1, 0x0, 0x0, 0x4a0f0000}, 0x0)
setsockopt$inet_MCAST_JOIN_GROUP(r2, 0x0, 0x2a, &(0x7f0000000180)={0x2, {{0x2, 0x0, @multicast2}}}, 0x88)
setsockopt$inet_group_source_req(r2, 0x0, 0x2e, &(0x7f00000004c0)={0x2, {{0x2, 0x2000, @multicast2}}, {{0x2, 0x0, @empty}}}, 0x104)
sendmsg$NFT_BATCH(r0, &(0x7f0000000300)={0x0, 0x0, &(0x7f00000002c0)={&(0x7f0000000440)={{0x14}, [@NFT_MSG_NEWFLOWTABLE={0x60, 0x16, 0xa, 0x101, 0x0, 0x0, {0x2}, [@NFTA_FLOWTABLE_NAME={0x9, 0x2, 'syz1\x00'}, @NFTA_FLOWTABLE_TABLE={0x9, 0x1, 'syz0\x00'}, @NFTA_FLOWTABLE_HOOK={0x2c, 0x3, 0x0, 0x1, [@NFTA_FLOWTABLE_HOOK_PRIORITY={0x8}, @NFTA_FLOWTABLE_HOOK_NUM={0x8}, @NFTA_FLOWTABLE_HOOK_DEVS={0x18, 0x3, 0x0, 0x1, [{0x14, 0x1, 'wlan0\x00'}]}]}, @NFTA_FLOWTABLE_FLAGS={0x8, 0x7, 0x1, 0x0, 0x1}]}], {0x14}}, 0x88}}, 0x0)

program crashed: WARNING in dev_setup_tc
single: successfully extracted reproducer
found reproducer with 11 syscalls
minimizing guilty program
testing program (duration=53.758589832s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): socket$nl_netfilter-sendmsg$NFT_BATCH-socket-setsockopt$netlink_NETLINK_TX_RING-sendmsg$nl_generic-socket$inet_udp-socket$kcm-sendmsg$kcm-setsockopt$inet_MCAST_JOIN_GROUP-setsockopt$inet_group_source_req
detailed listing:
executing program 0:
r0 = socket$nl_netfilter(0x10, 0x3, 0xc)
sendmsg$NFT_BATCH(r0, &(0x7f000000c2c0)={0x0, 0x0, &(0x7f0000000200)={&(0x7f0000000100)=ANY=[@ANYBLOB="140000001000010000000000000000000000000a28000000000a0101000000005e1affd5020000000900010073797a300000000008000240000000032c000000030a01030000e6ff00000000020100000900010073797a30000000000900030073797a320000000014000000110001"], 0x7c}}, 0x0)
r1 = socket(0x10, 0x3, 0x0)
setsockopt$netlink_NETLINK_TX_RING(r1, 0x10e, 0xc, &(0x7f0000000040)={0x802}, 0x10)
sendmsg$nl_generic(r1, &(0x7f0000000240)={0x0, 0x0, &(0x7f0000000080)={&(0x7f00000002c0)={0x18, 0x52, 0x1, 0x0, 0x0, {0x1c}, [@nested={0x4, 0x6}]}, 0x18}}, 0x0)
r2 = socket$inet_udp(0x2, 0x2, 0x0)
r3 = socket$kcm(0x10, 0x2, 0x0)
sendmsg$kcm(r3, &(0x7f0000000000)={0x0, 0x5, &(0x7f0000000280)=[{&(0x7f0000000300)="d8000000180081054e81f782db4cb904021d080406037c09e8fe55a10a0015400400142603600e122f00160006000500a8000600200006400700027c035c0461c1d67f6f94007134cf6efb8000a007a290457f0189b316277ce06bbace8017cbec4c2ee5a7cef4090000001fb791643a5ee4ce1b14d6d930dfe1d9d322fe7c9f8775730d16a4683f5aeb4edbb57a5025ccca9e00360db798262f3d40fad95667e006dcdf63951f215ce3bb9ad809d5e1cace81ed0bffece0b42a9ecbee5de6ccd40dd6e4edef3d93452a92954b43370e9703920723f9a941", 0xd8}], 0x1, 0x0, 0x0, 0x4a0f0000}, 0x0)
setsockopt$inet_MCAST_JOIN_GROUP(r2, 0x0, 0x2a, &(0x7f0000000180)={0x2, {{0x2, 0x0, @multicast2}}}, 0x88)
setsockopt$inet_group_source_req(r2, 0x0, 0x2e, &(0x7f00000004c0)={0x2, {{0x2, 0x2000, @multicast2}}, {{0x2, 0x0, @empty}}}, 0x104)

program did not crash
testing program (duration=53.758589832s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): socket$nl_netfilter-sendmsg$NFT_BATCH-socket-setsockopt$netlink_NETLINK_TX_RING-sendmsg$nl_generic-socket$inet_udp-socket$kcm-sendmsg$kcm-setsockopt$inet_MCAST_JOIN_GROUP-sendmsg$NFT_BATCH
detailed listing:
executing program 0:
r0 = socket$nl_netfilter(0x10, 0x3, 0xc)
sendmsg$NFT_BATCH(r0, &(0x7f000000c2c0)={0x0, 0x0, &(0x7f0000000200)={&(0x7f0000000100)=ANY=[@ANYBLOB="140000001000010000000000000000000000000a28000000000a0101000000005e1affd5020000000900010073797a300000000008000240000000032c000000030a01030000e6ff00000000020100000900010073797a30000000000900030073797a320000000014000000110001"], 0x7c}}, 0x0)
r1 = socket(0x10, 0x3, 0x0)
setsockopt$netlink_NETLINK_TX_RING(r1, 0x10e, 0xc, &(0x7f0000000040)={0x802}, 0x10)
sendmsg$nl_generic(r1, &(0x7f0000000240)={0x0, 0x0, &(0x7f0000000080)={&(0x7f00000002c0)={0x18, 0x52, 0x1, 0x0, 0x0, {0x1c}, [@nested={0x4, 0x6}]}, 0x18}}, 0x0)
r2 = socket$inet_udp(0x2, 0x2, 0x0)
r3 = socket$kcm(0x10, 0x2, 0x0)
sendmsg$kcm(r3, &(0x7f0000000000)={0x0, 0x5, &(0x7f0000000280)=[{&(0x7f0000000300)="d8000000180081054e81f782db4cb904021d080406037c09e8fe55a10a0015400400142603600e122f00160006000500a8000600200006400700027c035c0461c1d67f6f94007134cf6efb8000a007a290457f0189b316277ce06bbace8017cbec4c2ee5a7cef4090000001fb791643a5ee4ce1b14d6d930dfe1d9d322fe7c9f8775730d16a4683f5aeb4edbb57a5025ccca9e00360db798262f3d40fad95667e006dcdf63951f215ce3bb9ad809d5e1cace81ed0bffece0b42a9ecbee5de6ccd40dd6e4edef3d93452a92954b43370e9703920723f9a941", 0xd8}], 0x1, 0x0, 0x0, 0x4a0f0000}, 0x0)
setsockopt$inet_MCAST_JOIN_GROUP(r2, 0x0, 0x2a, &(0x7f0000000180)={0x2, {{0x2, 0x0, @multicast2}}}, 0x88)
sendmsg$NFT_BATCH(r0, &(0x7f0000000300)={0x0, 0x0, &(0x7f00000002c0)={&(0x7f0000000440)={{0x14}, [@NFT_MSG_NEWFLOWTABLE={0x60, 0x16, 0xa, 0x101, 0x0, 0x0, {0x2}, [@NFTA_FLOWTABLE_NAME={0x9, 0x2, 'syz1\x00'}, @NFTA_FLOWTABLE_TABLE={0x9, 0x1, 'syz0\x00'}, @NFTA_FLOWTABLE_HOOK={0x2c, 0x3, 0x0, 0x1, [@NFTA_FLOWTABLE_HOOK_PRIORITY={0x8}, @NFTA_FLOWTABLE_HOOK_NUM={0x8}, @NFTA_FLOWTABLE_HOOK_DEVS={0x18, 0x3, 0x0, 0x1, [{0x14, 0x1, 'wlan0\x00'}]}]}, @NFTA_FLOWTABLE_FLAGS={0x8, 0x7, 0x1, 0x0, 0x1}]}], {0x14}}, 0x88}}, 0x0)

program crashed: WARNING in dev_setup_tc
testing program (duration=53.758589832s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): socket$nl_netfilter-sendmsg$NFT_BATCH-socket-setsockopt$netlink_NETLINK_TX_RING-sendmsg$nl_generic-socket$inet_udp-socket$kcm-sendmsg$kcm-sendmsg$NFT_BATCH
detailed listing:
executing program 0:
r0 = socket$nl_netfilter(0x10, 0x3, 0xc)
sendmsg$NFT_BATCH(r0, &(0x7f000000c2c0)={0x0, 0x0, &(0x7f0000000200)={&(0x7f0000000100)=ANY=[@ANYBLOB="140000001000010000000000000000000000000a28000000000a0101000000005e1affd5020000000900010073797a300000000008000240000000032c000000030a01030000e6ff00000000020100000900010073797a30000000000900030073797a320000000014000000110001"], 0x7c}}, 0x0)
r1 = socket(0x10, 0x3, 0x0)
setsockopt$netlink_NETLINK_TX_RING(r1, 0x10e, 0xc, &(0x7f0000000040)={0x802}, 0x10)
sendmsg$nl_generic(r1, &(0x7f0000000240)={0x0, 0x0, &(0x7f0000000080)={&(0x7f00000002c0)={0x18, 0x52, 0x1, 0x0, 0x0, {0x1c}, [@nested={0x4, 0x6}]}, 0x18}}, 0x0)
socket$inet_udp(0x2, 0x2, 0x0)
r2 = socket$kcm(0x10, 0x2, 0x0)
sendmsg$kcm(r2, &(0x7f0000000000)={0x0, 0x5, &(0x7f0000000280)=[{&(0x7f0000000300)="d8000000180081054e81f782db4cb904021d080406037c09e8fe55a10a0015400400142603600e122f00160006000500a8000600200006400700027c035c0461c1d67f6f94007134cf6efb8000a007a290457f0189b316277ce06bbace8017cbec4c2ee5a7cef4090000001fb791643a5ee4ce1b14d6d930dfe1d9d322fe7c9f8775730d16a4683f5aeb4edbb57a5025ccca9e00360db798262f3d40fad95667e006dcdf63951f215ce3bb9ad809d5e1cace81ed0bffece0b42a9ecbee5de6ccd40dd6e4edef3d93452a92954b43370e9703920723f9a941", 0xd8}], 0x1, 0x0, 0x0, 0x4a0f0000}, 0x0)
sendmsg$NFT_BATCH(r0, &(0x7f0000000300)={0x0, 0x0, &(0x7f00000002c0)={&(0x7f0000000440)={{0x14}, [@NFT_MSG_NEWFLOWTABLE={0x60, 0x16, 0xa, 0x101, 0x0, 0x0, {0x2}, [@NFTA_FLOWTABLE_NAME={0x9, 0x2, 'syz1\x00'}, @NFTA_FLOWTABLE_TABLE={0x9, 0x1, 'syz0\x00'}, @NFTA_FLOWTABLE_HOOK={0x2c, 0x3, 0x0, 0x1, [@NFTA_FLOWTABLE_HOOK_PRIORITY={0x8}, @NFTA_FLOWTABLE_HOOK_NUM={0x8}, @NFTA_FLOWTABLE_HOOK_DEVS={0x18, 0x3, 0x0, 0x1, [{0x14, 0x1, 'wlan0\x00'}]}]}, @NFTA_FLOWTABLE_FLAGS={0x8, 0x7, 0x1, 0x0, 0x1}]}], {0x14}}, 0x88}}, 0x0)

program crashed: WARNING in dev_setup_tc
testing program (duration=53.758589832s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): socket$nl_netfilter-sendmsg$NFT_BATCH-socket-setsockopt$netlink_NETLINK_TX_RING-sendmsg$nl_generic-socket$inet_udp-socket$kcm-sendmsg$NFT_BATCH
detailed listing:
executing program 0:
r0 = socket$nl_netfilter(0x10, 0x3, 0xc)
sendmsg$NFT_BATCH(r0, &(0x7f000000c2c0)={0x0, 0x0, &(0x7f0000000200)={&(0x7f0000000100)=ANY=[@ANYBLOB="140000001000010000000000000000000000000a28000000000a0101000000005e1affd5020000000900010073797a300000000008000240000000032c000000030a01030000e6ff00000000020100000900010073797a30000000000900030073797a320000000014000000110001"], 0x7c}}, 0x0)
r1 = socket(0x10, 0x3, 0x0)
setsockopt$netlink_NETLINK_TX_RING(r1, 0x10e, 0xc, &(0x7f0000000040)={0x802}, 0x10)
sendmsg$nl_generic(r1, &(0x7f0000000240)={0x0, 0x0, &(0x7f0000000080)={&(0x7f00000002c0)={0x18, 0x52, 0x1, 0x0, 0x0, {0x1c}, [@nested={0x4, 0x6}]}, 0x18}}, 0x0)
socket$inet_udp(0x2, 0x2, 0x0)
socket$kcm(0x10, 0x2, 0x0)
sendmsg$NFT_BATCH(r0, &(0x7f0000000300)={0x0, 0x0, &(0x7f00000002c0)={&(0x7f0000000440)={{0x14}, [@NFT_MSG_NEWFLOWTABLE={0x60, 0x16, 0xa, 0x101, 0x0, 0x0, {0x2}, [@NFTA_FLOWTABLE_NAME={0x9, 0x2, 'syz1\x00'}, @NFTA_FLOWTABLE_TABLE={0x9, 0x1, 'syz0\x00'}, @NFTA_FLOWTABLE_HOOK={0x2c, 0x3, 0x0, 0x1, [@NFTA_FLOWTABLE_HOOK_PRIORITY={0x8}, @NFTA_FLOWTABLE_HOOK_NUM={0x8}, @NFTA_FLOWTABLE_HOOK_DEVS={0x18, 0x3, 0x0, 0x1, [{0x14, 0x1, 'wlan0\x00'}]}]}, @NFTA_FLOWTABLE_FLAGS={0x8, 0x7, 0x1, 0x0, 0x1}]}], {0x14}}, 0x88}}, 0x0)

program crashed: WARNING in dev_setup_tc
testing program (duration=53.758589832s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): socket$nl_netfilter-sendmsg$NFT_BATCH-socket-setsockopt$netlink_NETLINK_TX_RING-sendmsg$nl_generic-socket$inet_udp-sendmsg$NFT_BATCH
detailed listing:
executing program 0:
r0 = socket$nl_netfilter(0x10, 0x3, 0xc)
sendmsg$NFT_BATCH(r0, &(0x7f000000c2c0)={0x0, 0x0, &(0x7f0000000200)={&(0x7f0000000100)=ANY=[@ANYBLOB="140000001000010000000000000000000000000a28000000000a0101000000005e1affd5020000000900010073797a300000000008000240000000032c000000030a01030000e6ff00000000020100000900010073797a30000000000900030073797a320000000014000000110001"], 0x7c}}, 0x0)
r1 = socket(0x10, 0x3, 0x0)
setsockopt$netlink_NETLINK_TX_RING(r1, 0x10e, 0xc, &(0x7f0000000040)={0x802}, 0x10)
sendmsg$nl_generic(r1, &(0x7f0000000240)={0x0, 0x0, &(0x7f0000000080)={&(0x7f00000002c0)={0x18, 0x52, 0x1, 0x0, 0x0, {0x1c}, [@nested={0x4, 0x6}]}, 0x18}}, 0x0)
socket$inet_udp(0x2, 0x2, 0x0)
sendmsg$NFT_BATCH(r0, &(0x7f0000000300)={0x0, 0x0, &(0x7f00000002c0)={&(0x7f0000000440)={{0x14}, [@NFT_MSG_NEWFLOWTABLE={0x60, 0x16, 0xa, 0x101, 0x0, 0x0, {0x2}, [@NFTA_FLOWTABLE_NAME={0x9, 0x2, 'syz1\x00'}, @NFTA_FLOWTABLE_TABLE={0x9, 0x1, 'syz0\x00'}, @NFTA_FLOWTABLE_HOOK={0x2c, 0x3, 0x0, 0x1, [@NFTA_FLOWTABLE_HOOK_PRIORITY={0x8}, @NFTA_FLOWTABLE_HOOK_NUM={0x8}, @NFTA_FLOWTABLE_HOOK_DEVS={0x18, 0x3, 0x0, 0x1, [{0x14, 0x1, 'wlan0\x00'}]}]}, @NFTA_FLOWTABLE_FLAGS={0x8, 0x7, 0x1, 0x0, 0x1}]}], {0x14}}, 0x88}}, 0x0)

program crashed: WARNING in dev_setup_tc
testing program (duration=53.758589832s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): socket$nl_netfilter-sendmsg$NFT_BATCH-socket-setsockopt$netlink_NETLINK_TX_RING-sendmsg$nl_generic-sendmsg$NFT_BATCH
detailed listing:
executing program 0:
r0 = socket$nl_netfilter(0x10, 0x3, 0xc)
sendmsg$NFT_BATCH(r0, &(0x7f000000c2c0)={0x0, 0x0, &(0x7f0000000200)={&(0x7f0000000100)=ANY=[@ANYBLOB="140000001000010000000000000000000000000a28000000000a0101000000005e1affd5020000000900010073797a300000000008000240000000032c000000030a01030000e6ff00000000020100000900010073797a30000000000900030073797a320000000014000000110001"], 0x7c}}, 0x0)
r1 = socket(0x10, 0x3, 0x0)
setsockopt$netlink_NETLINK_TX_RING(r1, 0x10e, 0xc, &(0x7f0000000040)={0x802}, 0x10)
sendmsg$nl_generic(r1, &(0x7f0000000240)={0x0, 0x0, &(0x7f0000000080)={&(0x7f00000002c0)={0x18, 0x52, 0x1, 0x0, 0x0, {0x1c}, [@nested={0x4, 0x6}]}, 0x18}}, 0x0)
sendmsg$NFT_BATCH(r0, &(0x7f0000000300)={0x0, 0x0, &(0x7f00000002c0)={&(0x7f0000000440)={{0x14}, [@NFT_MSG_NEWFLOWTABLE={0x60, 0x16, 0xa, 0x101, 0x0, 0x0, {0x2}, [@NFTA_FLOWTABLE_NAME={0x9, 0x2, 'syz1\x00'}, @NFTA_FLOWTABLE_TABLE={0x9, 0x1, 'syz0\x00'}, @NFTA_FLOWTABLE_HOOK={0x2c, 0x3, 0x0, 0x1, [@NFTA_FLOWTABLE_HOOK_PRIORITY={0x8}, @NFTA_FLOWTABLE_HOOK_NUM={0x8}, @NFTA_FLOWTABLE_HOOK_DEVS={0x18, 0x3, 0x0, 0x1, [{0x14, 0x1, 'wlan0\x00'}]}]}, @NFTA_FLOWTABLE_FLAGS={0x8, 0x7, 0x1, 0x0, 0x1}]}], {0x14}}, 0x88}}, 0x0)

program crashed: possible deadlock in lapbeth_device_event
testing program (duration=53.758589832s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): socket$nl_netfilter-sendmsg$NFT_BATCH-socket-setsockopt$netlink_NETLINK_TX_RING-sendmsg$NFT_BATCH
detailed listing:
executing program 0:
r0 = socket$nl_netfilter(0x10, 0x3, 0xc)
sendmsg$NFT_BATCH(r0, &(0x7f000000c2c0)={0x0, 0x0, &(0x7f0000000200)={&(0x7f0000000100)=ANY=[@ANYBLOB="140000001000010000000000000000000000000a28000000000a0101000000005e1affd5020000000900010073797a300000000008000240000000032c000000030a01030000e6ff00000000020100000900010073797a30000000000900030073797a320000000014000000110001"], 0x7c}}, 0x0)
r1 = socket(0x10, 0x3, 0x0)
setsockopt$netlink_NETLINK_TX_RING(r1, 0x10e, 0xc, &(0x7f0000000040)={0x802}, 0x10)
sendmsg$NFT_BATCH(r0, &(0x7f0000000300)={0x0, 0x0, &(0x7f00000002c0)={&(0x7f0000000440)={{0x14}, [@NFT_MSG_NEWFLOWTABLE={0x60, 0x16, 0xa, 0x101, 0x0, 0x0, {0x2}, [@NFTA_FLOWTABLE_NAME={0x9, 0x2, 'syz1\x00'}, @NFTA_FLOWTABLE_TABLE={0x9, 0x1, 'syz0\x00'}, @NFTA_FLOWTABLE_HOOK={0x2c, 0x3, 0x0, 0x1, [@NFTA_FLOWTABLE_HOOK_PRIORITY={0x8}, @NFTA_FLOWTABLE_HOOK_NUM={0x8}, @NFTA_FLOWTABLE_HOOK_DEVS={0x18, 0x3, 0x0, 0x1, [{0x14, 0x1, 'wlan0\x00'}]}]}, @NFTA_FLOWTABLE_FLAGS={0x8, 0x7, 0x1, 0x0, 0x1}]}], {0x14}}, 0x88}}, 0x0)

program crashed: possible deadlock in lapbeth_device_event
testing program (duration=53.758589832s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): socket$nl_netfilter-sendmsg$NFT_BATCH-socket-sendmsg$NFT_BATCH
detailed listing:
executing program 0:
r0 = socket$nl_netfilter(0x10, 0x3, 0xc)
sendmsg$NFT_BATCH(r0, &(0x7f000000c2c0)={0x0, 0x0, &(0x7f0000000200)={&(0x7f0000000100)=ANY=[@ANYBLOB="140000001000010000000000000000000000000a28000000000a0101000000005e1affd5020000000900010073797a300000000008000240000000032c000000030a01030000e6ff00000000020100000900010073797a30000000000900030073797a320000000014000000110001"], 0x7c}}, 0x0)
socket(0x10, 0x3, 0x0)
sendmsg$NFT_BATCH(r0, &(0x7f0000000300)={0x0, 0x0, &(0x7f00000002c0)={&(0x7f0000000440)={{0x14}, [@NFT_MSG_NEWFLOWTABLE={0x60, 0x16, 0xa, 0x101, 0x0, 0x0, {0x2}, [@NFTA_FLOWTABLE_NAME={0x9, 0x2, 'syz1\x00'}, @NFTA_FLOWTABLE_TABLE={0x9, 0x1, 'syz0\x00'}, @NFTA_FLOWTABLE_HOOK={0x2c, 0x3, 0x0, 0x1, [@NFTA_FLOWTABLE_HOOK_PRIORITY={0x8}, @NFTA_FLOWTABLE_HOOK_NUM={0x8}, @NFTA_FLOWTABLE_HOOK_DEVS={0x18, 0x3, 0x0, 0x1, [{0x14, 0x1, 'wlan0\x00'}]}]}, @NFTA_FLOWTABLE_FLAGS={0x8, 0x7, 0x1, 0x0, 0x1}]}], {0x14}}, 0x88}}, 0x0)

program crashed: WARNING in dev_setup_tc
testing program (duration=53.758589832s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): socket$nl_netfilter-sendmsg$NFT_BATCH-sendmsg$NFT_BATCH
detailed listing:
executing program 0:
r0 = socket$nl_netfilter(0x10, 0x3, 0xc)
sendmsg$NFT_BATCH(r0, &(0x7f000000c2c0)={0x0, 0x0, &(0x7f0000000200)={&(0x7f0000000100)=ANY=[@ANYBLOB="140000001000010000000000000000000000000a28000000000a0101000000005e1affd5020000000900010073797a300000000008000240000000032c000000030a01030000e6ff00000000020100000900010073797a30000000000900030073797a320000000014000000110001"], 0x7c}}, 0x0)
sendmsg$NFT_BATCH(r0, &(0x7f0000000300)={0x0, 0x0, &(0x7f00000002c0)={&(0x7f0000000440)={{0x14}, [@NFT_MSG_NEWFLOWTABLE={0x60, 0x16, 0xa, 0x101, 0x0, 0x0, {0x2}, [@NFTA_FLOWTABLE_NAME={0x9, 0x2, 'syz1\x00'}, @NFTA_FLOWTABLE_TABLE={0x9, 0x1, 'syz0\x00'}, @NFTA_FLOWTABLE_HOOK={0x2c, 0x3, 0x0, 0x1, [@NFTA_FLOWTABLE_HOOK_PRIORITY={0x8}, @NFTA_FLOWTABLE_HOOK_NUM={0x8}, @NFTA_FLOWTABLE_HOOK_DEVS={0x18, 0x3, 0x0, 0x1, [{0x14, 0x1, 'wlan0\x00'}]}]}, @NFTA_FLOWTABLE_FLAGS={0x8, 0x7, 0x1, 0x0, 0x1}]}], {0x14}}, 0x88}}, 0x0)

program crashed: possible deadlock in lapbeth_device_event
testing program (duration=53.758589832s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): socket$nl_netfilter-sendmsg$NFT_BATCH
detailed listing:
executing program 0:
r0 = socket$nl_netfilter(0x10, 0x3, 0xc)
sendmsg$NFT_BATCH(r0, &(0x7f0000000300)={0x0, 0x0, &(0x7f00000002c0)={&(0x7f0000000440)={{0x14}, [@NFT_MSG_NEWFLOWTABLE={0x60, 0x16, 0xa, 0x101, 0x0, 0x0, {0x2}, [@NFTA_FLOWTABLE_NAME={0x9, 0x2, 'syz1\x00'}, @NFTA_FLOWTABLE_TABLE={0x9, 0x1, 'syz0\x00'}, @NFTA_FLOWTABLE_HOOK={0x2c, 0x3, 0x0, 0x1, [@NFTA_FLOWTABLE_HOOK_PRIORITY={0x8}, @NFTA_FLOWTABLE_HOOK_NUM={0x8}, @NFTA_FLOWTABLE_HOOK_DEVS={0x18, 0x3, 0x0, 0x1, [{0x14, 0x1, 'wlan0\x00'}]}]}, @NFTA_FLOWTABLE_FLAGS={0x8, 0x7, 0x1, 0x0, 0x1}]}], {0x14}}, 0x88}}, 0x0)

program crashed: possible deadlock in lapbeth_device_event
testing program (duration=53.758589832s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): sendmsg$NFT_BATCH
detailed listing:
executing program 0:
sendmsg$NFT_BATCH(0xffffffffffffffff, &(0x7f0000000300)={0x0, 0x0, &(0x7f00000002c0)={&(0x7f0000000440)={{0x14}, [@NFT_MSG_NEWFLOWTABLE={0x60, 0x16, 0xa, 0x101, 0x0, 0x0, {0x2}, [@NFTA_FLOWTABLE_NAME={0x9, 0x2, 'syz1\x00'}, @NFTA_FLOWTABLE_TABLE={0x9, 0x1, 'syz0\x00'}, @NFTA_FLOWTABLE_HOOK={0x2c, 0x3, 0x0, 0x1, [@NFTA_FLOWTABLE_HOOK_PRIORITY={0x8}, @NFTA_FLOWTABLE_HOOK_NUM={0x8}, @NFTA_FLOWTABLE_HOOK_DEVS={0x18, 0x3, 0x0, 0x1, [{0x14, 0x1, 'wlan0\x00'}]}]}, @NFTA_FLOWTABLE_FLAGS={0x8, 0x7, 0x1, 0x0, 0x1}]}], {0x14}}, 0x88}}, 0x0)

program crashed: possible deadlock in lapbeth_device_event
testing program (duration=53.758589832s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): sendmsg$NFT_BATCH
detailed listing:
executing program 0:
sendmsg$NFT_BATCH(0xffffffffffffffff, 0x0, 0x0)

program did not crash
testing program (duration=53.758589832s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): sendmsg$NFT_BATCH
detailed listing:
executing program 0:
sendmsg$NFT_BATCH(0xffffffffffffffff, &(0x7f0000000300)={0x0, 0x0, 0x0}, 0x0)

program crashed: possible deadlock in lapbeth_device_event
extracting C reproducer
testing compiled C program (duration=53.758589832s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): sendmsg$NFT_BATCH
program did not crash
simplifying guilty program options
testing program (duration=53.758589832s, {Threaded:false Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): sendmsg$NFT_BATCH
detailed listing:
executing program 0:
sendmsg$NFT_BATCH(0xffffffffffffffff, &(0x7f0000000300)={0x0, 0x0, 0x0}, 0x0)

program did not crash
testing program (duration=53.758589832s, {Threaded:true Repeat:false RepeatTimes:0 Procs:1 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:false Cgroups:false BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): sendmsg$NFT_BATCH
detailed listing:
executing program 0:
sendmsg$NFT_BATCH(0xffffffffffffffff, &(0x7f0000000300)={0x0, 0x0, 0x0}, 0x0)

program crashed: possible deadlock in lapbeth_device_event
extracting C reproducer
testing compiled C program (duration=53.758589832s, {Threaded:true Repeat:false RepeatTimes:0 Procs:1 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:false Cgroups:false BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): sendmsg$NFT_BATCH
program did not crash
reproducing took 23m12.933924739s
repro crashed as (corrupted=false):
============================================
WARNING: possible recursive locking detected
6.14.0-rc5-syzkaller-01152-g48c57a49c50a #0 Not tainted
--------------------------------------------
dhcpcd/5503 is trying to acquire lock:
ffff88802a4d4d28 (&dev->lock){+.+.}-{4:4}, at: netdev_lock include/linux/netdevice.h:2731 [inline]
ffff88802a4d4d28 (&dev->lock){+.+.}-{4:4}, at: netif_napi_add_weight include/linux/netdevice.h:2763 [inline]
ffff88802a4d4d28 (&dev->lock){+.+.}-{4:4}, at: lapbeth_new_device drivers/net/wan/lapbether.c:415 [inline]
ffff88802a4d4d28 (&dev->lock){+.+.}-{4:4}, at: lapbeth_device_event+0x766/0xa20 drivers/net/wan/lapbether.c:460

but task is already holding lock:
ffff888011e3cd28 (&dev->lock){+.+.}-{4:4}, at: netdev_lock include/linux/netdevice.h:2731 [inline]
ffff888011e3cd28 (&dev->lock){+.+.}-{4:4}, at: netdev_lock_ops include/net/netdev_lock.h:40 [inline]
ffff888011e3cd28 (&dev->lock){+.+.}-{4:4}, at: dev_change_flags+0x120/0x270 net/core/dev_api.c:67

other info that might help us debug this:
 Possible unsafe locking scenario:

       CPU0
       ----
  lock(&dev->lock);
  lock(&dev->lock);

 *** DEADLOCK ***

 May be due to missing lock nesting notation

2 locks held by dhcpcd/5503:
 #0: ffffffff8fed6908 (rtnl_mutex){+.+.}-{4:4}, at: rtnl_net_lock include/linux/rtnetlink.h:130 [inline]
 #0: ffffffff8fed6908 (rtnl_mutex){+.+.}-{4:4}, at: devinet_ioctl+0x34c/0x1d80 net/ipv4/devinet.c:1121
 #1: ffff888011e3cd28 (&dev->lock){+.+.}-{4:4}, at: netdev_lock include/linux/netdevice.h:2731 [inline]
 #1: ffff888011e3cd28 (&dev->lock){+.+.}-{4:4}, at: netdev_lock_ops include/net/netdev_lock.h:40 [inline]
 #1: ffff888011e3cd28 (&dev->lock){+.+.}-{4:4}, at: dev_change_flags+0x120/0x270 net/core/dev_api.c:67

stack backtrace:
CPU: 1 UID: 0 PID: 5503 Comm: dhcpcd Not tainted 6.14.0-rc5-syzkaller-01152-g48c57a49c50a #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2025
Call Trace:
 <TASK>
 __dump_stack lib/dump_stack.c:94 [inline]
 dump_stack_lvl+0x241/0x360 lib/dump_stack.c:120
 print_deadlock_bug+0x483/0x620 kernel/locking/lockdep.c:3039
 check_deadlock kernel/locking/lockdep.c:3091 [inline]
 validate_chain+0x15e2/0x5920 kernel/locking/lockdep.c:3893
 __lock_acquire+0x1397/0x2100 kernel/locking/lockdep.c:5228
 lock_acquire+0x1ed/0x550 kernel/locking/lockdep.c:5851
 __mutex_lock_common kernel/locking/mutex.c:585 [inline]
 __mutex_lock+0x19c/0x1010 kernel/locking/mutex.c:730
 netdev_lock include/linux/netdevice.h:2731 [inline]
 netif_napi_add_weight include/linux/netdevice.h:2763 [inline]
 lapbeth_new_device drivers/net/wan/lapbether.c:415 [inline]
 lapbeth_device_event+0x766/0xa20 drivers/net/wan/lapbether.c:460
 notifier_call_chain+0x1a5/0x3f0 kernel/notifier.c:85
 __dev_notify_flags+0x207/0x400
 netif_change_flags+0xf0/0x1a0 net/core/dev.c:9443
 dev_change_flags+0x146/0x270 net/core/dev_api.c:68
 devinet_ioctl+0xea2/0x1d80 net/ipv4/devinet.c:1200
 inet_ioctl+0x3d7/0x4f0 net/ipv4/af_inet.c:1001
 sock_do_ioctl+0x158/0x460 net/socket.c:1190
 sock_ioctl+0x626/0x8e0 net/socket.c:1309
 vfs_ioctl fs/ioctl.c:51 [inline]
 __do_sys_ioctl fs/ioctl.c:906 [inline]
 __se_sys_ioctl+0xf5/0x170 fs/ioctl.c:892
 do_syscall_x64 arch/x86/entry/common.c:52 [inline]
 do_syscall_64+0xf3/0x230 arch/x86/entry/common.c:83
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7f04d151ed49
Code: 5c c3 48 8d 44 24 08 48 89 54 24 e0 48 89 44 24 c0 48 8d 44 24 d0 48 89 44 24 c8 b8 10 00 00 00 c7 44 24 b8 10 00 00 00 0f 05 <41> 89 c0 3d 00 f0 ff ff 76 10 48 8b 15 ae 60 0d 00 f7 d8 41 83 c8
RSP: 002b:00007fffb5dc4518 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
RAX: ffffffffffffffda RBX: 00007f04d14506c0 RCX: 00007f04d151ed49
RDX: 00007fffb5dd4708 RSI: 0000000000008914 RDI: 0000000000000005
RBP: 00007fffb5de48c8 R08: 00007fffb5dd46c8 R09: 00007fffb5dd4678
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007fffb5dd4708 R14: 0000000000000028 R15: 0000000000008914
 </TASK>

final repro crashed as (corrupted=false):
============================================
WARNING: possible recursive locking detected
6.14.0-rc5-syzkaller-01152-g48c57a49c50a #0 Not tainted
--------------------------------------------
dhcpcd/5503 is trying to acquire lock:
ffff88802a4d4d28 (&dev->lock){+.+.}-{4:4}, at: netdev_lock include/linux/netdevice.h:2731 [inline]
ffff88802a4d4d28 (&dev->lock){+.+.}-{4:4}, at: netif_napi_add_weight include/linux/netdevice.h:2763 [inline]
ffff88802a4d4d28 (&dev->lock){+.+.}-{4:4}, at: lapbeth_new_device drivers/net/wan/lapbether.c:415 [inline]
ffff88802a4d4d28 (&dev->lock){+.+.}-{4:4}, at: lapbeth_device_event+0x766/0xa20 drivers/net/wan/lapbether.c:460

but task is already holding lock:
ffff888011e3cd28 (&dev->lock){+.+.}-{4:4}, at: netdev_lock include/linux/netdevice.h:2731 [inline]
ffff888011e3cd28 (&dev->lock){+.+.}-{4:4}, at: netdev_lock_ops include/net/netdev_lock.h:40 [inline]
ffff888011e3cd28 (&dev->lock){+.+.}-{4:4}, at: dev_change_flags+0x120/0x270 net/core/dev_api.c:67

other info that might help us debug this:
 Possible unsafe locking scenario:

       CPU0
       ----
  lock(&dev->lock);
  lock(&dev->lock);

 *** DEADLOCK ***

 May be due to missing lock nesting notation

2 locks held by dhcpcd/5503:
 #0: ffffffff8fed6908 (rtnl_mutex){+.+.}-{4:4}, at: rtnl_net_lock include/linux/rtnetlink.h:130 [inline]
 #0: ffffffff8fed6908 (rtnl_mutex){+.+.}-{4:4}, at: devinet_ioctl+0x34c/0x1d80 net/ipv4/devinet.c:1121
 #1: ffff888011e3cd28 (&dev->lock){+.+.}-{4:4}, at: netdev_lock include/linux/netdevice.h:2731 [inline]
 #1: ffff888011e3cd28 (&dev->lock){+.+.}-{4:4}, at: netdev_lock_ops include/net/netdev_lock.h:40 [inline]
 #1: ffff888011e3cd28 (&dev->lock){+.+.}-{4:4}, at: dev_change_flags+0x120/0x270 net/core/dev_api.c:67

stack backtrace:
CPU: 1 UID: 0 PID: 5503 Comm: dhcpcd Not tainted 6.14.0-rc5-syzkaller-01152-g48c57a49c50a #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2025
Call Trace:
 <TASK>
 __dump_stack lib/dump_stack.c:94 [inline]
 dump_stack_lvl+0x241/0x360 lib/dump_stack.c:120
 print_deadlock_bug+0x483/0x620 kernel/locking/lockdep.c:3039
 check_deadlock kernel/locking/lockdep.c:3091 [inline]
 validate_chain+0x15e2/0x5920 kernel/locking/lockdep.c:3893
 __lock_acquire+0x1397/0x2100 kernel/locking/lockdep.c:5228
 lock_acquire+0x1ed/0x550 kernel/locking/lockdep.c:5851
 __mutex_lock_common kernel/locking/mutex.c:585 [inline]
 __mutex_lock+0x19c/0x1010 kernel/locking/mutex.c:730
 netdev_lock include/linux/netdevice.h:2731 [inline]
 netif_napi_add_weight include/linux/netdevice.h:2763 [inline]
 lapbeth_new_device drivers/net/wan/lapbether.c:415 [inline]
 lapbeth_device_event+0x766/0xa20 drivers/net/wan/lapbether.c:460
 notifier_call_chain+0x1a5/0x3f0 kernel/notifier.c:85
 __dev_notify_flags+0x207/0x400
 netif_change_flags+0xf0/0x1a0 net/core/dev.c:9443
 dev_change_flags+0x146/0x270 net/core/dev_api.c:68
 devinet_ioctl+0xea2/0x1d80 net/ipv4/devinet.c:1200
 inet_ioctl+0x3d7/0x4f0 net/ipv4/af_inet.c:1001
 sock_do_ioctl+0x158/0x460 net/socket.c:1190
 sock_ioctl+0x626/0x8e0 net/socket.c:1309
 vfs_ioctl fs/ioctl.c:51 [inline]
 __do_sys_ioctl fs/ioctl.c:906 [inline]
 __se_sys_ioctl+0xf5/0x170 fs/ioctl.c:892
 do_syscall_x64 arch/x86/entry/common.c:52 [inline]
 do_syscall_64+0xf3/0x230 arch/x86/entry/common.c:83
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7f04d151ed49
Code: 5c c3 48 8d 44 24 08 48 89 54 24 e0 48 89 44 24 c0 48 8d 44 24 d0 48 89 44 24 c8 b8 10 00 00 00 c7 44 24 b8 10 00 00 00 0f 05 <41> 89 c0 3d 00 f0 ff ff 76 10 48 8b 15 ae 60 0d 00 f7 d8 41 83 c8
RSP: 002b:00007fffb5dc4518 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
RAX: ffffffffffffffda RBX: 00007f04d14506c0 RCX: 00007f04d151ed49
RDX: 00007fffb5dd4708 RSI: 0000000000008914 RDI: 0000000000000005
RBP: 00007fffb5de48c8 R08: 00007fffb5dd46c8 R09: 00007fffb5dd4678
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007fffb5dd4708 R14: 0000000000000028 R15: 0000000000008914
 </TASK>