Extracting prog: 2m25.01381098s Minimizing prog: 1h40m58.840986704s Simplifying prog options: 0s Extracting C: 41.347699609s Simplifying C: 1h2m32.740350478s 1 programs, 3 VMs, timeouts [15s 6m0s] extracting reproducer from 1 programs single: executing 1 programs separately with timeout 15s testing program (duration=15s, {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}}): openat$cgroup_ro-ioctl$FS_IOC_GETFSMAP-syz_init_net_socket$bt_hci-socket$kcm-sendmsg$kcm detailed listing: executing program 0: r0 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000040)='cpuacct.usage_sys\x00', 0x275a, 0x0) ioctl$FS_IOC_GETFSMAP(r0, 0x40305839, &(0x7f0000000000)=ANY=[@ANYBLOB="00000000000000000000000000000000000000000002"]) syz_init_net_socket$bt_hci(0x1f, 0x3, 0x1) r1 = socket$kcm(0x10, 0x2, 0x0) sendmsg$kcm(r1, &(0x7f0000000380)={0x0, 0x6c00, &(0x7f0000000340)=[{&(0x7f0000000000)="2e00000010008188e6b62aa73772cc9f1ba1f848480000005e140602000000000e000a0010000000028000001294", 0x2e}], 0x1}, 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: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}}): openat$cgroup_ro-ioctl$FS_IOC_GETFSMAP-syz_init_net_socket$bt_hci-socket$kcm-sendmsg$kcm detailed listing: executing program 0: r0 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000040)='cpuacct.usage_sys\x00', 0x275a, 0x0) ioctl$FS_IOC_GETFSMAP(r0, 0x40305839, &(0x7f0000000000)=ANY=[@ANYBLOB="00000000000000000000000000000000000000000002"]) syz_init_net_socket$bt_hci(0x1f, 0x3, 0x1) r1 = socket$kcm(0x10, 0x2, 0x0) sendmsg$kcm(r1, &(0x7f0000000380)={0x0, 0x6c00, &(0x7f0000000340)=[{&(0x7f0000000000)="2e00000010008188e6b62aa73772cc9f1ba1f848480000005e140602000000000e000a0010000000028000001294", 0x2e}], 0x1}, 0x0) program crashed: possible deadlock in team_del_slave single: successfully extracted reproducer found reproducer with 5 syscalls minimizing guilty program testing program (duration=9m0s, {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}}): openat$cgroup_ro-ioctl$FS_IOC_GETFSMAP-syz_init_net_socket$bt_hci-socket$kcm detailed listing: executing program 0: r0 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000040)='cpuacct.usage_sys\x00', 0x275a, 0x0) ioctl$FS_IOC_GETFSMAP(r0, 0x40305839, &(0x7f0000000000)=ANY=[@ANYBLOB="00000000000000000000000000000000000000000002"]) syz_init_net_socket$bt_hci(0x1f, 0x3, 0x1) socket$kcm(0x10, 0x2, 0x0) program did not crash testing program (duration=9m0s, {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}}): openat$cgroup_ro-ioctl$FS_IOC_GETFSMAP-syz_init_net_socket$bt_hci-sendmsg$kcm detailed listing: executing program 0: r0 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000040)='cpuacct.usage_sys\x00', 0x275a, 0x0) ioctl$FS_IOC_GETFSMAP(r0, 0x40305839, &(0x7f0000000000)=ANY=[@ANYBLOB="00000000000000000000000000000000000000000002"]) syz_init_net_socket$bt_hci(0x1f, 0x3, 0x1) sendmsg$kcm(0xffffffffffffffff, &(0x7f0000000380)={0x0, 0x6c00, &(0x7f0000000340)=[{&(0x7f0000000000)="2e00000010008188e6b62aa73772cc9f1ba1f848480000005e140602000000000e000a0010000000028000001294", 0x2e}], 0x1}, 0x0) program did not crash testing program (duration=9m0s, {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}}): openat$cgroup_ro-ioctl$FS_IOC_GETFSMAP-socket$kcm-sendmsg$kcm detailed listing: executing program 0: r0 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000040)='cpuacct.usage_sys\x00', 0x275a, 0x0) ioctl$FS_IOC_GETFSMAP(r0, 0x40305839, &(0x7f0000000000)=ANY=[@ANYBLOB="00000000000000000000000000000000000000000002"]) r1 = socket$kcm(0x10, 0x2, 0x0) sendmsg$kcm(r1, &(0x7f0000000380)={0x0, 0x6c00, &(0x7f0000000340)=[{&(0x7f0000000000)="2e00000010008188e6b62aa73772cc9f1ba1f848480000005e140602000000000e000a0010000000028000001294", 0x2e}], 0x1}, 0x0) program crashed: possible deadlock in team_del_slave testing program (duration=9m0s, {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}}): openat$cgroup_ro-socket$kcm-sendmsg$kcm detailed listing: executing program 0: openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000040)='cpuacct.usage_sys\x00', 0x275a, 0x0) r0 = socket$kcm(0x10, 0x2, 0x0) sendmsg$kcm(r0, &(0x7f0000000380)={0x0, 0x6c00, &(0x7f0000000340)=[{&(0x7f0000000000)="2e00000010008188e6b62aa73772cc9f1ba1f848480000005e140602000000000e000a0010000000028000001294", 0x2e}], 0x1}, 0x0) program did not crash testing program (duration=9m0s, {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}}): ioctl$FS_IOC_GETFSMAP-socket$kcm-sendmsg$kcm detailed listing: executing program 0: ioctl$FS_IOC_GETFSMAP(0xffffffffffffffff, 0x40305839, &(0x7f0000000000)=ANY=[@ANYBLOB="00000000000000000000000000000000000000000002"]) r0 = socket$kcm(0x10, 0x2, 0x0) sendmsg$kcm(r0, &(0x7f0000000380)={0x0, 0x6c00, &(0x7f0000000340)=[{&(0x7f0000000000)="2e00000010008188e6b62aa73772cc9f1ba1f848480000005e140602000000000e000a0010000000028000001294", 0x2e}], 0x1}, 0x0) program did not crash testing program (duration=9m0s, {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}}): openat$cgroup_ro-ioctl$FS_IOC_GETFSMAP-socket$kcm-sendmsg$kcm detailed listing: executing program 0: r0 = openat$cgroup_ro(0xffffffffffffff9c, 0x0, 0x275a, 0x0) ioctl$FS_IOC_GETFSMAP(r0, 0x40305839, &(0x7f0000000000)=ANY=[@ANYBLOB="00000000000000000000000000000000000000000002"]) r1 = socket$kcm(0x10, 0x2, 0x0) sendmsg$kcm(r1, &(0x7f0000000380)={0x0, 0x6c00, &(0x7f0000000340)=[{&(0x7f0000000000)="2e00000010008188e6b62aa73772cc9f1ba1f848480000005e140602000000000e000a0010000000028000001294", 0x2e}], 0x1}, 0x0) program did not crash testing program (duration=9m0s, {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}}): openat$cgroup_ro-ioctl$FS_IOC_GETFSMAP-socket$kcm-sendmsg$kcm detailed listing: executing program 0: r0 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000040)='cpuacct.usage_sys\x00', 0x275a, 0x0) ioctl$FS_IOC_GETFSMAP(r0, 0x40305839, 0x0) r1 = socket$kcm(0x10, 0x2, 0x0) sendmsg$kcm(r1, &(0x7f0000000380)={0x0, 0x6c00, &(0x7f0000000340)=[{&(0x7f0000000000)="2e00000010008188e6b62aa73772cc9f1ba1f848480000005e140602000000000e000a0010000000028000001294", 0x2e}], 0x1}, 0x0) program did not crash testing program (duration=9m0s, {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}}): openat$cgroup_ro-ioctl$FS_IOC_GETFSMAP-socket$kcm-sendmsg$kcm detailed listing: executing program 0: r0 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000040)='cpuacct.usage_sys\x00', 0x275a, 0x0) ioctl$FS_IOC_GETFSMAP(r0, 0x40305839, &(0x7f0000000000)=ANY=[@ANYBLOB]) r1 = socket$kcm(0x10, 0x2, 0x0) sendmsg$kcm(r1, &(0x7f0000000380)={0x0, 0x6c00, &(0x7f0000000340)=[{&(0x7f0000000000)="2e00000010008188e6b62aa73772cc9f1ba1f848480000005e140602000000000e000a0010000000028000001294", 0x2e}], 0x1}, 0x0) program did not crash testing program (duration=9m0s, {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}}): openat$cgroup_ro-ioctl$FS_IOC_GETFSMAP-socket$kcm-sendmsg$kcm detailed listing: executing program 0: r0 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000040)='cpuacct.usage_sys\x00', 0x275a, 0x0) ioctl$FS_IOC_GETFSMAP(r0, 0x40305839, &(0x7f0000000000)=ANY=[@ANYBLOB="00000000000000000000000000000000000000000002"]) r1 = socket$kcm(0x10, 0x2, 0x0) sendmsg$kcm(r1, 0x0, 0x0) program did not crash testing program (duration=9m0s, {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}}): openat$cgroup_ro-ioctl$FS_IOC_GETFSMAP-socket$kcm-sendmsg$kcm detailed listing: executing program 0: r0 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000040)='cpuacct.usage_sys\x00', 0x275a, 0x0) ioctl$FS_IOC_GETFSMAP(r0, 0x40305839, &(0x7f0000000000)=ANY=[@ANYBLOB="00000000000000000000000000000000000000000002"]) r1 = socket$kcm(0x10, 0x2, 0x0) sendmsg$kcm(r1, &(0x7f0000000380)={0x0, 0x0, 0x0}, 0x0) program did not crash testing program (duration=9m0s, {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}}): openat$cgroup_ro-ioctl$FS_IOC_GETFSMAP-socket$kcm-sendmsg$kcm detailed listing: executing program 0: r0 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000040)='cpuacct.usage_sys\x00', 0x275a, 0x0) ioctl$FS_IOC_GETFSMAP(r0, 0x40305839, &(0x7f0000000000)=ANY=[@ANYBLOB="00000000000000000000000000000000000000000002"]) r1 = socket$kcm(0x10, 0x2, 0x0) sendmsg$kcm(r1, &(0x7f0000000380)={0x0, 0x0, &(0x7f0000000340)=[{0x0}], 0x1}, 0x0) program did not crash testing program (duration=9m0s, {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}}): openat$cgroup_ro-ioctl$FS_IOC_GETFSMAP-socket$kcm-sendmsg$kcm detailed listing: executing program 0: r0 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000040)='cpuacct.usage_sys\x00', 0x275a, 0x0) ioctl$FS_IOC_GETFSMAP(r0, 0x40305839, &(0x7f0000000000)=ANY=[@ANYBLOB="00000000000000000000000000000000000000000002"]) r1 = socket$kcm(0x10, 0x2, 0x0) sendmsg$kcm(r1, &(0x7f0000000380)={0x0, 0x0, &(0x7f0000000340)=[{}], 0x1}, 0x0) program did not crash extracting C reproducer testing compiled C program (duration=9m0s, {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}}): openat$cgroup_ro-ioctl$FS_IOC_GETFSMAP-socket$kcm-sendmsg$kcm program crashed: possible deadlock in team_del_slave simplifying C reproducer testing compiled C program (duration=9m0s, {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}}): openat$cgroup_ro-ioctl$FS_IOC_GETFSMAP-socket$kcm-sendmsg$kcm program crashed: possible deadlock in team_del_slave testing compiled C program (duration=9m0s, {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 LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): openat$cgroup_ro-ioctl$FS_IOC_GETFSMAP-socket$kcm-sendmsg$kcm program did not crash testing compiled C program (duration=9m0s, {Threaded:false Repeat:true RepeatTimes:0 Procs:5 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 LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): openat$cgroup_ro-ioctl$FS_IOC_GETFSMAP-socket$kcm-sendmsg$kcm program did not crash testing compiled C program (duration=9m0s, {Threaded:false Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:false 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}}): openat$cgroup_ro-ioctl$FS_IOC_GETFSMAP-socket$kcm-sendmsg$kcm program did not crash testing compiled C program (duration=9m0s, {Threaded:false Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:false 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}}): openat$cgroup_ro-ioctl$FS_IOC_GETFSMAP-socket$kcm-sendmsg$kcm program did not crash testing compiled C program (duration=9m0s, {Threaded:false Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:false 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}}): openat$cgroup_ro-ioctl$FS_IOC_GETFSMAP-socket$kcm-sendmsg$kcm program crashed: possible deadlock in team_del_slave testing compiled C program (duration=9m0s, {Threaded:false Repeat:true RepeatTimes:0 Procs:5 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}}): openat$cgroup_ro-ioctl$FS_IOC_GETFSMAP-socket$kcm-sendmsg$kcm program crashed: possible deadlock in team_del_slave testing compiled C program (duration=9m0s, {Threaded:false Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:false Cgroups:false BinfmtMisc:false 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}}): openat$cgroup_ro-ioctl$FS_IOC_GETFSMAP-socket$kcm-sendmsg$kcm program crashed: possible deadlock in team_del_slave testing compiled C program (duration=9m0s, {Threaded:false Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:false Cgroups:false BinfmtMisc:false CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:false 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}}): openat$cgroup_ro-ioctl$FS_IOC_GETFSMAP-socket$kcm-sendmsg$kcm program crashed: possible deadlock in team_del_slave testing compiled C program (duration=9m0s, {Threaded:false Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:false Cgroups:false BinfmtMisc:false CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:false VhciInjection:false Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): openat$cgroup_ro-ioctl$FS_IOC_GETFSMAP-socket$kcm-sendmsg$kcm program crashed: possible deadlock in team_del_slave testing compiled C program (duration=9m0s, {Threaded:false Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:false Cgroups:false BinfmtMisc:false CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:false VhciInjection:false Wifi:false IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): openat$cgroup_ro-ioctl$FS_IOC_GETFSMAP-socket$kcm-sendmsg$kcm program did not crash testing compiled C program (duration=9m0s, {Threaded:false Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:false Cgroups:false BinfmtMisc:false CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:false VhciInjection:false Wifi:true IEEE802154:false Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): openat$cgroup_ro-ioctl$FS_IOC_GETFSMAP-socket$kcm-sendmsg$kcm program crashed: possible deadlock in team_del_slave testing compiled C program (duration=9m0s, {Threaded:false Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:false Cgroups:false BinfmtMisc:false CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:false VhciInjection:false Wifi:true IEEE802154:false Sysctl:true Swap:true UseTmpDir:false HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): openat$cgroup_ro-ioctl$FS_IOC_GETFSMAP-socket$kcm-sendmsg$kcm program did not crash testing compiled C program (duration=9m0s, {Threaded:false Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:false Cgroups:false BinfmtMisc:false CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:false VhciInjection:false Wifi:true IEEE802154:false Sysctl:true Swap:true UseTmpDir:true HandleSegv:false Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): openat$cgroup_ro-ioctl$FS_IOC_GETFSMAP-socket$kcm-sendmsg$kcm program crashed: possible deadlock in team_del_slave testing compiled C program (duration=9m0s, {Threaded:false Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:false Cgroups:false BinfmtMisc:false CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:false VhciInjection:false Wifi:true IEEE802154:false Sysctl:false Swap:true UseTmpDir:true HandleSegv:false Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): openat$cgroup_ro-ioctl$FS_IOC_GETFSMAP-socket$kcm-sendmsg$kcm program crashed: possible deadlock in team_del_slave testing compiled C program (duration=9m0s, {Threaded:false Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:false Cgroups:false BinfmtMisc:false CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:false VhciInjection:false Wifi:true IEEE802154:false Sysctl:false Swap:false UseTmpDir:true HandleSegv:false Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): openat$cgroup_ro-ioctl$FS_IOC_GETFSMAP-socket$kcm-sendmsg$kcm program crashed: possible deadlock in team_del_slave reproducing took 2h46m37.942870607s repro crashed as (corrupted=false): ====================================================== WARNING: possible circular locking dependency detected 6.10.0-rc2-syzkaller-g8867bbd4a056 #0 Tainted: G W ------------------------------------------------------ kworker/u8:4/204 is trying to acquire lock: ffff0000df6d8d20 (team->team_lock_key){+.+.}-{3:3}, at: team_del_slave+0x38/0x1a4 drivers/net/team/team_core.c:1990 but task is already holding lock: ffff0000c9038768 (&rdev->wiphy.mtx){+.+.}-{3:3}, at: wiphy_lock include/net/cfg80211.h:5966 [inline] ffff0000c9038768 (&rdev->wiphy.mtx){+.+.}-{3:3}, at: ieee80211_remove_interfaces+0x12c/0x5dc net/mac80211/iface.c:2282 which lock already depends on the new lock. the existing dependency chain (in reverse order) is: -> #1 (&rdev->wiphy.mtx){+.+.}-{3:3}: __mutex_lock_common+0x190/0x21a0 kernel/locking/mutex.c:608 __mutex_lock kernel/locking/mutex.c:752 [inline] mutex_lock_nested+0x2c/0x38 kernel/locking/mutex.c:804 wiphy_lock include/net/cfg80211.h:5966 [inline] ieee80211_open+0xe4/0x1e4 net/mac80211/iface.c:449 __dev_open+0x32c/0x500 net/core/dev.c:1472 dev_open+0xa8/0x248 net/core/dev.c:1508 team_port_add drivers/net/team/team_core.c:1216 [inline] team_add_slave+0x7b0/0x236c drivers/net/team/team_core.c:1976 do_set_master net/core/rtnetlink.c:2701 [inline] do_setlink+0xc30/0x3778 net/core/rtnetlink.c:2907 __rtnl_newlink net/core/rtnetlink.c:3696 [inline] rtnl_newlink+0x14c0/0x1bcc net/core/rtnetlink.c:3743 rtnetlink_rcv_msg+0x724/0xdbc net/core/rtnetlink.c:6595 netlink_rcv_skb+0x214/0x3c4 net/netlink/af_netlink.c:2564 rtnetlink_rcv+0x28/0x38 net/core/rtnetlink.c:6613 netlink_unicast_kernel net/netlink/af_netlink.c:1335 [inline] netlink_unicast+0x65c/0x898 net/netlink/af_netlink.c:1361 netlink_sendmsg+0x7a0/0xa84 net/netlink/af_netlink.c:1905 sock_sendmsg_nosec net/socket.c:730 [inline] __sock_sendmsg net/socket.c:745 [inline] ____sys_sendmsg+0x56c/0x840 net/socket.c:2585 ___sys_sendmsg net/socket.c:2639 [inline] __sys_sendmsg+0x26c/0x33c net/socket.c:2668 __do_sys_sendmsg net/socket.c:2677 [inline] __se_sys_sendmsg net/socket.c:2675 [inline] __arm64_sys_sendmsg+0x80/0x94 net/socket.c:2675 __invoke_syscall arch/arm64/kernel/syscall.c:34 [inline] invoke_syscall+0x98/0x2b8 arch/arm64/kernel/syscall.c:48 el0_svc_common+0x130/0x23c arch/arm64/kernel/syscall.c:133 do_el0_svc+0x48/0x58 arch/arm64/kernel/syscall.c:152 el0_svc+0x54/0x168 arch/arm64/kernel/entry-common.c:712 el0t_64_sync_handler+0x84/0xfc arch/arm64/kernel/entry-common.c:730 el0t_64_sync+0x190/0x194 arch/arm64/kernel/entry.S:598 -> #0 (team->team_lock_key){+.+.}-{3:3}: check_prev_add kernel/locking/lockdep.c:3134 [inline] check_prevs_add kernel/locking/lockdep.c:3253 [inline] validate_chain kernel/locking/lockdep.c:3869 [inline] __lock_acquire+0x3384/0x763c kernel/locking/lockdep.c:5137 lock_acquire+0x248/0x73c kernel/locking/lockdep.c:5754 __mutex_lock_common+0x190/0x21a0 kernel/locking/mutex.c:608 __mutex_lock kernel/locking/mutex.c:752 [inline] mutex_lock_nested+0x2c/0x38 kernel/locking/mutex.c:804 team_del_slave+0x38/0x1a4 drivers/net/team/team_core.c:1990 team_device_event+0x25c/0x4d4 drivers/net/team/team_core.c:2984 notifier_call_chain+0x1bc/0x540 kernel/notifier.c:93 raw_notifier_call_chain+0x3c/0x50 kernel/notifier.c:461 call_netdevice_notifiers_info net/core/dev.c:1992 [inline] call_netdevice_notifiers_extack net/core/dev.c:2030 [inline] call_netdevice_notifiers net/core/dev.c:2044 [inline] unregister_netdevice_many_notify+0xd24/0x1770 net/core/dev.c:11218 unregister_netdevice_many net/core/dev.c:11276 [inline] unregister_netdevice_queue+0x2d8/0x324 net/core/dev.c:11155 unregister_netdevice include/linux/netdevice.h:3119 [inline] _cfg80211_unregister_wdev+0x164/0x6c4 net/wireless/core.c:1206 cfg80211_unregister_wdev+0x24/0x34 net/wireless/core.c:1261 ieee80211_remove_interfaces+0x418/0x5dc net/mac80211/iface.c:2307 ieee80211_unregister_hw+0x60/0x29c net/mac80211/main.c:1652 mac80211_hwsim_del_radio+0x21c/0x3e0 drivers/net/wireless/virtual/mac80211_hwsim.c:5576 hwsim_exit_net+0x51c/0x5e4 drivers/net/wireless/virtual/mac80211_hwsim.c:6453 ops_exit_list net/core/net_namespace.c:173 [inline] cleanup_net+0x640/0x9b4 net/core/net_namespace.c:640 process_one_work+0x7b0/0x15e8 kernel/workqueue.c:3231 process_scheduled_works kernel/workqueue.c:3312 [inline] worker_thread+0x938/0xef4 kernel/workqueue.c:3393 kthread+0x288/0x310 kernel/kthread.c:389 ret_from_fork+0x10/0x20 arch/arm64/kernel/entry.S:860 other info that might help us debug this: Possible unsafe locking scenario: CPU0 CPU1 ---- ---- lock(&rdev->wiphy.mtx); lock(team->team_lock_key); lock(&rdev->wiphy.mtx); lock(team->team_lock_key); *** DEADLOCK *** 5 locks held by kworker/u8:4/204: #0: ffff0000c1819948 ((wq_completion)netns){+.+.}-{0:0}, at: process_one_work+0x62c/0x15e8 kernel/workqueue.c:3205 #1: ffff800098087c20 (net_cleanup_work){+.+.}-{0:0}, at: process_one_work+0x6a8/0x15e8 kernel/workqueue.c:3205 #2: ffff800091d99450 (pernet_ops_rwsem){++++}-{3:3}, at: cleanup_net+0x13c/0x9b4 net/core/net_namespace.c:594 #3: ffff800091da56a8 (rtnl_mutex){+.+.}-{3:3}, at: rtnl_lock+0x20/0x2c net/core/rtnetlink.c:79 #4: ffff0000c9038768 (&rdev->wiphy.mtx){+.+.}-{3:3}, at: wiphy_lock include/net/cfg80211.h:5966 [inline] #4: ffff0000c9038768 (&rdev->wiphy.mtx){+.+.}-{3:3}, at: ieee80211_remove_interfaces+0x12c/0x5dc net/mac80211/iface.c:2282 stack backtrace: CPU: 1 PID: 204 Comm: kworker/u8:4 Tainted: G W 6.10.0-rc2-syzkaller-g8867bbd4a056 #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/02/2024 Workqueue: netns cleanup_net Call trace: dump_backtrace+0x1b8/0x1e4 arch/arm64/kernel/stacktrace.c:317 show_stack+0x2c/0x3c arch/arm64/kernel/stacktrace.c:324 __dump_stack lib/dump_stack.c:88 [inline] dump_stack_lvl+0xe4/0x150 lib/dump_stack.c:114 dump_stack+0x1c/0x28 lib/dump_stack.c:123 print_circular_bug+0x150/0x1b8 kernel/locking/lockdep.c:2060 check_noncircular+0x310/0x404 kernel/locking/lockdep.c:2187 check_prev_add kernel/locking/lockdep.c:3134 [inline] check_prevs_add kernel/locking/lockdep.c:3253 [inline] validate_chain kernel/locking/lockdep.c:3869 [inline] __lock_acquire+0x3384/0x763c kernel/locking/lockdep.c:5137 lock_acquire+0x248/0x73c kernel/locking/lockdep.c:5754 __mutex_lock_common+0x190/0x21a0 kernel/locking/mutex.c:608 __mutex_lock kernel/locking/mutex.c:752 [inline] mutex_lock_nested+0x2c/0x38 kernel/locking/mutex.c:804 team_del_slave+0x38/0x1a4 drivers/net/team/team_core.c:1990 team_device_event+0x25c/0x4d4 drivers/net/team/team_core.c:2984 notifier_call_chain+0x1bc/0x540 kernel/notifier.c:93 raw_notifier_call_chain+0x3c/0x50 kernel/notifier.c:461 call_netdevice_notifiers_info net/core/dev.c:1992 [inline] call_netdevice_notifiers_extack net/core/dev.c:2030 [inline] call_netdevice_notifiers net/core/dev.c:2044 [inline] unregister_netdevice_many_notify+0xd24/0x1770 net/core/dev.c:11218 unregister_netdevice_many net/core/dev.c:11276 [inline] unregister_netdevice_queue+0x2d8/0x324 net/core/dev.c:11155 unregister_netdevice include/linux/netdevice.h:3119 [inline] _cfg80211_unregister_wdev+0x164/0x6c4 net/wireless/core.c:1206 cfg80211_unregister_wdev+0x24/0x34 net/wireless/core.c:1261 ieee80211_remove_interfaces+0x418/0x5dc net/mac80211/iface.c:2307 ieee80211_unregister_hw+0x60/0x29c net/mac80211/main.c:1652 mac80211_hwsim_del_radio+0x21c/0x3e0 drivers/net/wireless/virtual/mac80211_hwsim.c:5576 hwsim_exit_net+0x51c/0x5e4 drivers/net/wireless/virtual/mac80211_hwsim.c:6453 ops_exit_list net/core/net_namespace.c:173 [inline] cleanup_net+0x640/0x9b4 net/core/net_namespace.c:640 process_one_work+0x7b0/0x15e8 kernel/workqueue.c:3231 process_scheduled_works kernel/workqueue.c:3312 [inline] worker_thread+0x938/0xef4 kernel/workqueue.c:3393 kthread+0x288/0x310 kernel/kthread.c:389 ret_from_fork+0x10/0x20 arch/arm64/kernel/entry.S:860 team0: Port device wlan1 removed team0: Port device wlan1 removed hsr_slave_0: left promiscuous mode hsr_slave_1: left promiscuous mode batman_adv: batadv0: Interface deactivated: batadv_slave_0 batman_adv: batadv0: Removing interface: batadv_slave_0 batman_adv: batadv0: Interface deactivated: batadv_slave_1 batman_adv: batadv0: Removing interface: batadv_slave_1 hsr_slave_0: left promiscuous mode hsr_slave_1: left promiscuous mode batman_adv: batadv0: Interface deactivated: batadv_slave_0 batman_adv: batadv0: Removing interface: batadv_slave_0 batman_adv: batadv0: Interface deactivated: batadv_slave_1 batman_adv: batadv0: Removing interface: batadv_slave_1 hsr_slave_0: left promiscuous mode hsr_slave_1: left promiscuous mode batman_adv: batadv0: Interface deactivated: batadv_slave_0 batman_adv: batadv0: Removing interface: batadv_slave_0 batman_adv: batadv0: Interface deactivated: batadv_slave_1 batman_adv: batadv0: Removing interface: batadv_slave_1 veth1_macvtap: left promiscuous mode veth0_macvtap: left promiscuous mode veth1_vlan: left promiscuous mode veth0_vlan: left promiscuous mode veth1_macvtap: left promiscuous mode veth0_macvtap: left promiscuous mode veth1_vlan: left promiscuous mode veth0_vlan: left promiscuous mode veth1_macvtap: left promiscuous mode veth0_macvtap: left promiscuous mode veth1_vlan: left promiscuous mode veth0_vlan: left promiscuous mode team0 (unregistering): Port device team_slave_1 removed team0 (unregistering): Port device team_slave_0 removed team0 (unregistering): Port device team_slave_1 removed team0 (unregistering): Port device team_slave_0 removed final repro crashed as (corrupted=false): ====================================================== WARNING: possible circular locking dependency detected 6.10.0-rc2-syzkaller-g8867bbd4a056 #0 Tainted: G W ------------------------------------------------------ kworker/u8:4/204 is trying to acquire lock: ffff0000df6d8d20 (team->team_lock_key){+.+.}-{3:3}, at: team_del_slave+0x38/0x1a4 drivers/net/team/team_core.c:1990 but task is already holding lock: ffff0000c9038768 (&rdev->wiphy.mtx){+.+.}-{3:3}, at: wiphy_lock include/net/cfg80211.h:5966 [inline] ffff0000c9038768 (&rdev->wiphy.mtx){+.+.}-{3:3}, at: ieee80211_remove_interfaces+0x12c/0x5dc net/mac80211/iface.c:2282 which lock already depends on the new lock. the existing dependency chain (in reverse order) is: -> #1 (&rdev->wiphy.mtx){+.+.}-{3:3}: __mutex_lock_common+0x190/0x21a0 kernel/locking/mutex.c:608 __mutex_lock kernel/locking/mutex.c:752 [inline] mutex_lock_nested+0x2c/0x38 kernel/locking/mutex.c:804 wiphy_lock include/net/cfg80211.h:5966 [inline] ieee80211_open+0xe4/0x1e4 net/mac80211/iface.c:449 __dev_open+0x32c/0x500 net/core/dev.c:1472 dev_open+0xa8/0x248 net/core/dev.c:1508 team_port_add drivers/net/team/team_core.c:1216 [inline] team_add_slave+0x7b0/0x236c drivers/net/team/team_core.c:1976 do_set_master net/core/rtnetlink.c:2701 [inline] do_setlink+0xc30/0x3778 net/core/rtnetlink.c:2907 __rtnl_newlink net/core/rtnetlink.c:3696 [inline] rtnl_newlink+0x14c0/0x1bcc net/core/rtnetlink.c:3743 rtnetlink_rcv_msg+0x724/0xdbc net/core/rtnetlink.c:6595 netlink_rcv_skb+0x214/0x3c4 net/netlink/af_netlink.c:2564 rtnetlink_rcv+0x28/0x38 net/core/rtnetlink.c:6613 netlink_unicast_kernel net/netlink/af_netlink.c:1335 [inline] netlink_unicast+0x65c/0x898 net/netlink/af_netlink.c:1361 netlink_sendmsg+0x7a0/0xa84 net/netlink/af_netlink.c:1905 sock_sendmsg_nosec net/socket.c:730 [inline] __sock_sendmsg net/socket.c:745 [inline] ____sys_sendmsg+0x56c/0x840 net/socket.c:2585 ___sys_sendmsg net/socket.c:2639 [inline] __sys_sendmsg+0x26c/0x33c net/socket.c:2668 __do_sys_sendmsg net/socket.c:2677 [inline] __se_sys_sendmsg net/socket.c:2675 [inline] __arm64_sys_sendmsg+0x80/0x94 net/socket.c:2675 __invoke_syscall arch/arm64/kernel/syscall.c:34 [inline] invoke_syscall+0x98/0x2b8 arch/arm64/kernel/syscall.c:48 el0_svc_common+0x130/0x23c arch/arm64/kernel/syscall.c:133 do_el0_svc+0x48/0x58 arch/arm64/kernel/syscall.c:152 el0_svc+0x54/0x168 arch/arm64/kernel/entry-common.c:712 el0t_64_sync_handler+0x84/0xfc arch/arm64/kernel/entry-common.c:730 el0t_64_sync+0x190/0x194 arch/arm64/kernel/entry.S:598 -> #0 (team->team_lock_key){+.+.}-{3:3}: check_prev_add kernel/locking/lockdep.c:3134 [inline] check_prevs_add kernel/locking/lockdep.c:3253 [inline] validate_chain kernel/locking/lockdep.c:3869 [inline] __lock_acquire+0x3384/0x763c kernel/locking/lockdep.c:5137 lock_acquire+0x248/0x73c kernel/locking/lockdep.c:5754 __mutex_lock_common+0x190/0x21a0 kernel/locking/mutex.c:608 __mutex_lock kernel/locking/mutex.c:752 [inline] mutex_lock_nested+0x2c/0x38 kernel/locking/mutex.c:804 team_del_slave+0x38/0x1a4 drivers/net/team/team_core.c:1990 team_device_event+0x25c/0x4d4 drivers/net/team/team_core.c:2984 notifier_call_chain+0x1bc/0x540 kernel/notifier.c:93 raw_notifier_call_chain+0x3c/0x50 kernel/notifier.c:461 call_netdevice_notifiers_info net/core/dev.c:1992 [inline] call_netdevice_notifiers_extack net/core/dev.c:2030 [inline] call_netdevice_notifiers net/core/dev.c:2044 [inline] unregister_netdevice_many_notify+0xd24/0x1770 net/core/dev.c:11218 unregister_netdevice_many net/core/dev.c:11276 [inline] unregister_netdevice_queue+0x2d8/0x324 net/core/dev.c:11155 unregister_netdevice include/linux/netdevice.h:3119 [inline] _cfg80211_unregister_wdev+0x164/0x6c4 net/wireless/core.c:1206 cfg80211_unregister_wdev+0x24/0x34 net/wireless/core.c:1261 ieee80211_remove_interfaces+0x418/0x5dc net/mac80211/iface.c:2307 ieee80211_unregister_hw+0x60/0x29c net/mac80211/main.c:1652 mac80211_hwsim_del_radio+0x21c/0x3e0 drivers/net/wireless/virtual/mac80211_hwsim.c:5576 hwsim_exit_net+0x51c/0x5e4 drivers/net/wireless/virtual/mac80211_hwsim.c:6453 ops_exit_list net/core/net_namespace.c:173 [inline] cleanup_net+0x640/0x9b4 net/core/net_namespace.c:640 process_one_work+0x7b0/0x15e8 kernel/workqueue.c:3231 process_scheduled_works kernel/workqueue.c:3312 [inline] worker_thread+0x938/0xef4 kernel/workqueue.c:3393 kthread+0x288/0x310 kernel/kthread.c:389 ret_from_fork+0x10/0x20 arch/arm64/kernel/entry.S:860 other info that might help us debug this: Possible unsafe locking scenario: CPU0 CPU1 ---- ---- lock(&rdev->wiphy.mtx); lock(team->team_lock_key); lock(&rdev->wiphy.mtx); lock(team->team_lock_key); *** DEADLOCK *** 5 locks held by kworker/u8:4/204: #0: ffff0000c1819948 ((wq_completion)netns){+.+.}-{0:0}, at: process_one_work+0x62c/0x15e8 kernel/workqueue.c:3205 #1: ffff800098087c20 (net_cleanup_work){+.+.}-{0:0}, at: process_one_work+0x6a8/0x15e8 kernel/workqueue.c:3205 #2: ffff800091d99450 (pernet_ops_rwsem){++++}-{3:3}, at: cleanup_net+0x13c/0x9b4 net/core/net_namespace.c:594 #3: ffff800091da56a8 (rtnl_mutex){+.+.}-{3:3}, at: rtnl_lock+0x20/0x2c net/core/rtnetlink.c:79 #4: ffff0000c9038768 (&rdev->wiphy.mtx){+.+.}-{3:3}, at: wiphy_lock include/net/cfg80211.h:5966 [inline] #4: ffff0000c9038768 (&rdev->wiphy.mtx){+.+.}-{3:3}, at: ieee80211_remove_interfaces+0x12c/0x5dc net/mac80211/iface.c:2282 stack backtrace: CPU: 1 PID: 204 Comm: kworker/u8:4 Tainted: G W 6.10.0-rc2-syzkaller-g8867bbd4a056 #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/02/2024 Workqueue: netns cleanup_net Call trace: dump_backtrace+0x1b8/0x1e4 arch/arm64/kernel/stacktrace.c:317 show_stack+0x2c/0x3c arch/arm64/kernel/stacktrace.c:324 __dump_stack lib/dump_stack.c:88 [inline] dump_stack_lvl+0xe4/0x150 lib/dump_stack.c:114 dump_stack+0x1c/0x28 lib/dump_stack.c:123 print_circular_bug+0x150/0x1b8 kernel/locking/lockdep.c:2060 check_noncircular+0x310/0x404 kernel/locking/lockdep.c:2187 check_prev_add kernel/locking/lockdep.c:3134 [inline] check_prevs_add kernel/locking/lockdep.c:3253 [inline] validate_chain kernel/locking/lockdep.c:3869 [inline] __lock_acquire+0x3384/0x763c kernel/locking/lockdep.c:5137 lock_acquire+0x248/0x73c kernel/locking/lockdep.c:5754 __mutex_lock_common+0x190/0x21a0 kernel/locking/mutex.c:608 __mutex_lock kernel/locking/mutex.c:752 [inline] mutex_lock_nested+0x2c/0x38 kernel/locking/mutex.c:804 team_del_slave+0x38/0x1a4 drivers/net/team/team_core.c:1990 team_device_event+0x25c/0x4d4 drivers/net/team/team_core.c:2984 notifier_call_chain+0x1bc/0x540 kernel/notifier.c:93 raw_notifier_call_chain+0x3c/0x50 kernel/notifier.c:461 call_netdevice_notifiers_info net/core/dev.c:1992 [inline] call_netdevice_notifiers_extack net/core/dev.c:2030 [inline] call_netdevice_notifiers net/core/dev.c:2044 [inline] unregister_netdevice_many_notify+0xd24/0x1770 net/core/dev.c:11218 unregister_netdevice_many net/core/dev.c:11276 [inline] unregister_netdevice_queue+0x2d8/0x324 net/core/dev.c:11155 unregister_netdevice include/linux/netdevice.h:3119 [inline] _cfg80211_unregister_wdev+0x164/0x6c4 net/wireless/core.c:1206 cfg80211_unregister_wdev+0x24/0x34 net/wireless/core.c:1261 ieee80211_remove_interfaces+0x418/0x5dc net/mac80211/iface.c:2307 ieee80211_unregister_hw+0x60/0x29c net/mac80211/main.c:1652 mac80211_hwsim_del_radio+0x21c/0x3e0 drivers/net/wireless/virtual/mac80211_hwsim.c:5576 hwsim_exit_net+0x51c/0x5e4 drivers/net/wireless/virtual/mac80211_hwsim.c:6453 ops_exit_list net/core/net_namespace.c:173 [inline] cleanup_net+0x640/0x9b4 net/core/net_namespace.c:640 process_one_work+0x7b0/0x15e8 kernel/workqueue.c:3231 process_scheduled_works kernel/workqueue.c:3312 [inline] worker_thread+0x938/0xef4 kernel/workqueue.c:3393 kthread+0x288/0x310 kernel/kthread.c:389 ret_from_fork+0x10/0x20 arch/arm64/kernel/entry.S:860 team0: Port device wlan1 removed team0: Port device wlan1 removed hsr_slave_0: left promiscuous mode hsr_slave_1: left promiscuous mode batman_adv: batadv0: Interface deactivated: batadv_slave_0 batman_adv: batadv0: Removing interface: batadv_slave_0 batman_adv: batadv0: Interface deactivated: batadv_slave_1 batman_adv: batadv0: Removing interface: batadv_slave_1 hsr_slave_0: left promiscuous mode hsr_slave_1: left promiscuous mode batman_adv: batadv0: Interface deactivated: batadv_slave_0 batman_adv: batadv0: Removing interface: batadv_slave_0 batman_adv: batadv0: Interface deactivated: batadv_slave_1 batman_adv: batadv0: Removing interface: batadv_slave_1 hsr_slave_0: left promiscuous mode hsr_slave_1: left promiscuous mode batman_adv: batadv0: Interface deactivated: batadv_slave_0 batman_adv: batadv0: Removing interface: batadv_slave_0 batman_adv: batadv0: Interface deactivated: batadv_slave_1 batman_adv: batadv0: Removing interface: batadv_slave_1 veth1_macvtap: left promiscuous mode veth0_macvtap: left promiscuous mode veth1_vlan: left promiscuous mode veth0_vlan: left promiscuous mode veth1_macvtap: left promiscuous mode veth0_macvtap: left promiscuous mode veth1_vlan: left promiscuous mode veth0_vlan: left promiscuous mode veth1_macvtap: left promiscuous mode veth0_macvtap: left promiscuous mode veth1_vlan: left promiscuous mode veth0_vlan: left promiscuous mode team0 (unregistering): Port device team_slave_1 removed team0 (unregistering): Port device team_slave_0 removed team0 (unregistering): Port device team_slave_1 removed team0 (unregistering): Port device team_slave_0 removed