Extracting prog: 2h36m58.189891796s Minimizing prog: 1h22m51.033501909s Simplifying prog options: 0s Extracting C: 9m36.063712392s Simplifying C: 1h4m32.046478018s extracting reproducer from 12 programs testing a last program of every proc single: executing 2 programs separately with timeout 45s testing program (duration=45s, {Threaded:true Repeat:true RepeatTimes:0 Procs:2 Slowdown:10 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:false Wifi:false IEEE802154:false Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): openat$tun-socketpair$unix-ioctl$TUNSETNOCSUM detailed listing: executing program 0: openat$tun(0xffffffffffffff9c, &(0x7f0000000000), 0x0, 0x0) socketpair$unix(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff, 0xffffffffffffffff}) ioctl$TUNSETNOCSUM(r0, 0x8902, 0x20000000) program did not crash testing program (duration=45s, {Threaded:true Repeat:true RepeatTimes:0 Procs:2 Slowdown:10 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:false Wifi:false IEEE802154:false Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): creat-stat-setfsgid detailed listing: executing program 0: creat(&(0x7f0000000200)='./file0\x00', 0x0) stat(&(0x7f0000000100)='./file0\x00', &(0x7f0000000140)={0x0, 0x0, 0x0, 0x0, 0x0, 0x0}) setfsgid(r0) program did not crash single: failed to extract reproducer bisect: bisecting 12 programs with base timeout 45s testing program (duration=48s, {Threaded:true Repeat:true RepeatTimes:0 Procs:2 Slowdown:10 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:false Wifi:false IEEE802154:false Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3] detailed listing: executing program 1: r0 = socket$xdp(0x2c, 0x3, 0x0) r1 = fcntl$dupfd(r0, 0x0, r0) syz_genetlink_get_family_id$mptcp(&(0x7f0000000080), r1) executing program 0: r0 = bpf$BPF_PROG_RAW_TRACEPOINT_LOAD(0x5, &(0x7f0000000000)={0x11, 0x3, &(0x7f00000002c0)=@framed, &(0x7f0000000140)='syzkaller\x00'}, 0x80) bpf$BPF_RAW_TRACEPOINT_OPEN(0x11, &(0x7f0000000100)={&(0x7f0000000080)='sys_exit\x00', r0}, 0x10) prctl$PR_SET_THP_DISABLE(0x35, 0x1) executing program 1: socketpair(0x1, 0x3, 0x0, &(0x7f0000000000)={0xffffffffffffffff, 0xffffffffffffffff}) ioctl$sock_ipv4_tunnel_SIOCADDTUNNEL(r1, 0x89f1, &(0x7f0000000200)={'syztnl0\x00', 0x0}) getsockopt$inet_mreqn(r0, 0x0, 0x23, 0x0, 0x0) executing program 0: r0 = socket$kcm(0x29, 0x2, 0x0) ioctl$sock_kcm_SIOCKCMCLONE(r0, 0x89e2, &(0x7f0000001380)={0xffffffffffffffff}) sendmmsg$unix(r1, 0x0, 0x0, 0x40) executing program 1: socketpair$unix(0x1, 0x5, 0x0, &(0x7f00000001c0)={0xffffffffffffffff, 0xffffffffffffffff}) r2 = fcntl$dupfd(r0, 0x0, r1) sendmsg$NL80211_CMD_SET_CQM(r2, &(0x7f0000000880)={0x0, 0x0, &(0x7f0000000840)={0x0}}, 0x0) executing program 0: capset(&(0x7f0000000000)={0x20080522}, &(0x7f0000000280)={0x0, 0x0, 0x9, 0x81, 0xffffffff}) r0 = socket$inet_mptcp(0x2, 0x1, 0x106) setsockopt$sock_int(r0, 0x1, 0x1, &(0x7f0000000140)=0x7, 0x4) executing program 1: r0 = socket$inet6_tcp(0xa, 0x1, 0x0) recvmmsg(r0, &(0x7f0000000640)=[{{&(0x7f0000000240)=@pppol2tpv3={0x18, 0x1, {0x0, 0xffffffffffffffff, {0x2, 0x0, @multicast2}}}, 0x80, 0x0, 0xffffffffffffffc4}}], 0x0, 0x0, 0x0) ioctl$sock_inet_SIOCSIFFLAGS(r1, 0x5421, &(0x7f0000000040)={'veth0_virt_wifi\x00'}) executing program 0: r0 = openat$dsp(0xffffff9c, &(0x7f0000000100), 0xa00, 0x0) r1 = dup(r0) ioctl$RTC_WIE_ON(r1, 0x700f) executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(0x0, r0) sendmsg$NLBL_UNLABEL_C_ACCEPT(r0, &(0x7f00000012c0)={0x0, 0x0, &(0x7f0000001280)={0x0}, 0x1, 0x0, 0x0, 0x854}, 0x1) executing program 1: r0 = socket$xdp(0x2c, 0x3, 0x0) r1 = fcntl$dupfd(r0, 0x0, r0) sendmsg$RDMA_NLDEV_CMD_SYS_GET(r1, &(0x7f0000000200)={0x0, 0x0, &(0x7f00000001c0)={0x0}}, 0x0) executing program 0: creat(&(0x7f0000000200)='./file0\x00', 0x0) stat(&(0x7f0000000100)='./file0\x00', &(0x7f0000000140)={0x0, 0x0, 0x0, 0x0, 0x0, 0x0}) setfsgid(r0) executing program 1: openat$tun(0xffffffffffffff9c, &(0x7f0000000000), 0x0, 0x0) socketpair$unix(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff, 0xffffffffffffffff}) ioctl$TUNSETNOCSUM(r0, 0x8902, 0x20000000) program did not crash replaying the whole log did not cause a kernel crash single: executing 2 programs separately with timeout 5m0s testing program (duration=5m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:2 Slowdown:10 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:false Wifi:false IEEE802154:false Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): openat$tun-socketpair$unix-ioctl$TUNSETNOCSUM detailed listing: executing program 0: openat$tun(0xffffffffffffff9c, &(0x7f0000000000), 0x0, 0x0) socketpair$unix(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff, 0xffffffffffffffff}) ioctl$TUNSETNOCSUM(r0, 0x8902, 0x20000000) program did not crash testing program (duration=5m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:2 Slowdown:10 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:false Wifi:false IEEE802154:false Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): creat-stat-setfsgid detailed listing: executing program 0: creat(&(0x7f0000000200)='./file0\x00', 0x0) stat(&(0x7f0000000100)='./file0\x00', &(0x7f0000000140)={0x0, 0x0, 0x0, 0x0, 0x0, 0x0}) setfsgid(r0) program did not crash single: failed to extract reproducer bisect: bisecting 12 programs with base timeout 5m0s testing program (duration=5m3s, {Threaded:true Repeat:true RepeatTimes:0 Procs:2 Slowdown:10 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:false Wifi:false IEEE802154:false Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3] detailed listing: executing program 1: r0 = socket$xdp(0x2c, 0x3, 0x0) r1 = fcntl$dupfd(r0, 0x0, r0) syz_genetlink_get_family_id$mptcp(&(0x7f0000000080), r1) executing program 0: r0 = bpf$BPF_PROG_RAW_TRACEPOINT_LOAD(0x5, &(0x7f0000000000)={0x11, 0x3, &(0x7f00000002c0)=@framed, &(0x7f0000000140)='syzkaller\x00'}, 0x80) bpf$BPF_RAW_TRACEPOINT_OPEN(0x11, &(0x7f0000000100)={&(0x7f0000000080)='sys_exit\x00', r0}, 0x10) prctl$PR_SET_THP_DISABLE(0x35, 0x1) executing program 1: socketpair(0x1, 0x3, 0x0, &(0x7f0000000000)={0xffffffffffffffff, 0xffffffffffffffff}) ioctl$sock_ipv4_tunnel_SIOCADDTUNNEL(r1, 0x89f1, &(0x7f0000000200)={'syztnl0\x00', 0x0}) getsockopt$inet_mreqn(r0, 0x0, 0x23, 0x0, 0x0) executing program 0: r0 = socket$kcm(0x29, 0x2, 0x0) ioctl$sock_kcm_SIOCKCMCLONE(r0, 0x89e2, &(0x7f0000001380)={0xffffffffffffffff}) sendmmsg$unix(r1, 0x0, 0x0, 0x40) executing program 1: socketpair$unix(0x1, 0x5, 0x0, &(0x7f00000001c0)={0xffffffffffffffff, 0xffffffffffffffff}) r2 = fcntl$dupfd(r0, 0x0, r1) sendmsg$NL80211_CMD_SET_CQM(r2, &(0x7f0000000880)={0x0, 0x0, &(0x7f0000000840)={0x0}}, 0x0) executing program 0: capset(&(0x7f0000000000)={0x20080522}, &(0x7f0000000280)={0x0, 0x0, 0x9, 0x81, 0xffffffff}) r0 = socket$inet_mptcp(0x2, 0x1, 0x106) setsockopt$sock_int(r0, 0x1, 0x1, &(0x7f0000000140)=0x7, 0x4) executing program 1: r0 = socket$inet6_tcp(0xa, 0x1, 0x0) recvmmsg(r0, &(0x7f0000000640)=[{{&(0x7f0000000240)=@pppol2tpv3={0x18, 0x1, {0x0, 0xffffffffffffffff, {0x2, 0x0, @multicast2}}}, 0x80, 0x0, 0xffffffffffffffc4}}], 0x0, 0x0, 0x0) ioctl$sock_inet_SIOCSIFFLAGS(r1, 0x5421, &(0x7f0000000040)={'veth0_virt_wifi\x00'}) executing program 0: r0 = openat$dsp(0xffffff9c, &(0x7f0000000100), 0xa00, 0x0) r1 = dup(r0) ioctl$RTC_WIE_ON(r1, 0x700f) executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(0x0, r0) sendmsg$NLBL_UNLABEL_C_ACCEPT(r0, &(0x7f00000012c0)={0x0, 0x0, &(0x7f0000001280)={0x0}, 0x1, 0x0, 0x0, 0x854}, 0x1) executing program 1: r0 = socket$xdp(0x2c, 0x3, 0x0) r1 = fcntl$dupfd(r0, 0x0, r0) sendmsg$RDMA_NLDEV_CMD_SYS_GET(r1, &(0x7f0000000200)={0x0, 0x0, &(0x7f00000001c0)={0x0}}, 0x0) executing program 0: creat(&(0x7f0000000200)='./file0\x00', 0x0) stat(&(0x7f0000000100)='./file0\x00', &(0x7f0000000140)={0x0, 0x0, 0x0, 0x0, 0x0, 0x0}) setfsgid(r0) executing program 1: openat$tun(0xffffffffffffff9c, &(0x7f0000000000), 0x0, 0x0) socketpair$unix(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff, 0xffffffffffffffff}) ioctl$TUNSETNOCSUM(r0, 0x8902, 0x20000000) program did not crash replaying the whole log did not cause a kernel crash single: executing 2 programs separately with timeout 16m0s testing program (duration=16m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:2 Slowdown:10 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:false Wifi:false IEEE802154:false Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): openat$tun-socketpair$unix-ioctl$TUNSETNOCSUM detailed listing: executing program 0: openat$tun(0xffffffffffffff9c, &(0x7f0000000000), 0x0, 0x0) socketpair$unix(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff, 0xffffffffffffffff}) ioctl$TUNSETNOCSUM(r0, 0x8902, 0x20000000) program did not crash testing program (duration=16m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:2 Slowdown:10 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:false Wifi:false IEEE802154:false Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): creat-stat-setfsgid detailed listing: executing program 0: creat(&(0x7f0000000200)='./file0\x00', 0x0) stat(&(0x7f0000000100)='./file0\x00', &(0x7f0000000140)={0x0, 0x0, 0x0, 0x0, 0x0, 0x0}) setfsgid(r0) program did not crash single: failed to extract reproducer bisect: bisecting 12 programs with base timeout 16m0s testing program (duration=16m3s, {Threaded:true Repeat:true RepeatTimes:0 Procs:2 Slowdown:10 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:false Wifi:false IEEE802154:false Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3] detailed listing: executing program 1: r0 = socket$xdp(0x2c, 0x3, 0x0) r1 = fcntl$dupfd(r0, 0x0, r0) syz_genetlink_get_family_id$mptcp(&(0x7f0000000080), r1) executing program 0: r0 = bpf$BPF_PROG_RAW_TRACEPOINT_LOAD(0x5, &(0x7f0000000000)={0x11, 0x3, &(0x7f00000002c0)=@framed, &(0x7f0000000140)='syzkaller\x00'}, 0x80) bpf$BPF_RAW_TRACEPOINT_OPEN(0x11, &(0x7f0000000100)={&(0x7f0000000080)='sys_exit\x00', r0}, 0x10) prctl$PR_SET_THP_DISABLE(0x35, 0x1) executing program 1: socketpair(0x1, 0x3, 0x0, &(0x7f0000000000)={0xffffffffffffffff, 0xffffffffffffffff}) ioctl$sock_ipv4_tunnel_SIOCADDTUNNEL(r1, 0x89f1, &(0x7f0000000200)={'syztnl0\x00', 0x0}) getsockopt$inet_mreqn(r0, 0x0, 0x23, 0x0, 0x0) executing program 0: r0 = socket$kcm(0x29, 0x2, 0x0) ioctl$sock_kcm_SIOCKCMCLONE(r0, 0x89e2, &(0x7f0000001380)={0xffffffffffffffff}) sendmmsg$unix(r1, 0x0, 0x0, 0x40) executing program 1: socketpair$unix(0x1, 0x5, 0x0, &(0x7f00000001c0)={0xffffffffffffffff, 0xffffffffffffffff}) r2 = fcntl$dupfd(r0, 0x0, r1) sendmsg$NL80211_CMD_SET_CQM(r2, &(0x7f0000000880)={0x0, 0x0, &(0x7f0000000840)={0x0}}, 0x0) executing program 0: capset(&(0x7f0000000000)={0x20080522}, &(0x7f0000000280)={0x0, 0x0, 0x9, 0x81, 0xffffffff}) r0 = socket$inet_mptcp(0x2, 0x1, 0x106) setsockopt$sock_int(r0, 0x1, 0x1, &(0x7f0000000140)=0x7, 0x4) executing program 1: r0 = socket$inet6_tcp(0xa, 0x1, 0x0) recvmmsg(r0, &(0x7f0000000640)=[{{&(0x7f0000000240)=@pppol2tpv3={0x18, 0x1, {0x0, 0xffffffffffffffff, {0x2, 0x0, @multicast2}}}, 0x80, 0x0, 0xffffffffffffffc4}}], 0x0, 0x0, 0x0) ioctl$sock_inet_SIOCSIFFLAGS(r1, 0x5421, &(0x7f0000000040)={'veth0_virt_wifi\x00'}) executing program 0: r0 = openat$dsp(0xffffff9c, &(0x7f0000000100), 0xa00, 0x0) r1 = dup(r0) ioctl$RTC_WIE_ON(r1, 0x700f) executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(0x0, r0) sendmsg$NLBL_UNLABEL_C_ACCEPT(r0, &(0x7f00000012c0)={0x0, 0x0, &(0x7f0000001280)={0x0}, 0x1, 0x0, 0x0, 0x854}, 0x1) executing program 1: r0 = socket$xdp(0x2c, 0x3, 0x0) r1 = fcntl$dupfd(r0, 0x0, r0) sendmsg$RDMA_NLDEV_CMD_SYS_GET(r1, &(0x7f0000000200)={0x0, 0x0, &(0x7f00000001c0)={0x0}}, 0x0) executing program 0: creat(&(0x7f0000000200)='./file0\x00', 0x0) stat(&(0x7f0000000100)='./file0\x00', &(0x7f0000000140)={0x0, 0x0, 0x0, 0x0, 0x0, 0x0}) setfsgid(r0) executing program 1: openat$tun(0xffffffffffffff9c, &(0x7f0000000000), 0x0, 0x0) socketpair$unix(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff, 0xffffffffffffffff}) ioctl$TUNSETNOCSUM(r0, 0x8902, 0x20000000) program crashed: INFO: task hung in _vm_unmap_aliases bisect: bisecting 12 programs bisect: split chunks (needed=false): <12> bisect: split chunk #0 of len 12 into 3 parts bisect: testing without sub-chunk 1/3 testing program (duration=16m2s, {Threaded:true Repeat:true RepeatTimes:0 Procs:2 Slowdown:10 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:false Wifi:false IEEE802154:false Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): [3, 3, 3, 3, 3, 3, 3, 3] detailed listing: executing program 1: socketpair$unix(0x1, 0x5, 0x0, &(0x7f00000001c0)={0xffffffffffffffff, 0xffffffffffffffff}) r2 = fcntl$dupfd(r0, 0x0, r1) sendmsg$NL80211_CMD_SET_CQM(r2, &(0x7f0000000880)={0x0, 0x0, &(0x7f0000000840)={0x0}}, 0x0) executing program 0: capset(&(0x7f0000000000)={0x20080522}, &(0x7f0000000280)={0x0, 0x0, 0x9, 0x81, 0xffffffff}) r0 = socket$inet_mptcp(0x2, 0x1, 0x106) setsockopt$sock_int(r0, 0x1, 0x1, &(0x7f0000000140)=0x7, 0x4) executing program 1: r0 = socket$inet6_tcp(0xa, 0x1, 0x0) recvmmsg(r0, &(0x7f0000000640)=[{{&(0x7f0000000240)=@pppol2tpv3={0x18, 0x1, {0x0, 0xffffffffffffffff, {0x2, 0x0, @multicast2}}}, 0x80, 0x0, 0xffffffffffffffc4}}], 0x0, 0x0, 0x0) ioctl$sock_inet_SIOCSIFFLAGS(r1, 0x5421, &(0x7f0000000040)={'veth0_virt_wifi\x00'}) executing program 0: r0 = openat$dsp(0xffffff9c, &(0x7f0000000100), 0xa00, 0x0) r1 = dup(r0) ioctl$RTC_WIE_ON(r1, 0x700f) executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(0x0, r0) sendmsg$NLBL_UNLABEL_C_ACCEPT(r0, &(0x7f00000012c0)={0x0, 0x0, &(0x7f0000001280)={0x0}, 0x1, 0x0, 0x0, 0x854}, 0x1) executing program 1: r0 = socket$xdp(0x2c, 0x3, 0x0) r1 = fcntl$dupfd(r0, 0x0, r0) sendmsg$RDMA_NLDEV_CMD_SYS_GET(r1, &(0x7f0000000200)={0x0, 0x0, &(0x7f00000001c0)={0x0}}, 0x0) executing program 0: creat(&(0x7f0000000200)='./file0\x00', 0x0) stat(&(0x7f0000000100)='./file0\x00', &(0x7f0000000140)={0x0, 0x0, 0x0, 0x0, 0x0, 0x0}) setfsgid(r0) executing program 1: openat$tun(0xffffffffffffff9c, &(0x7f0000000000), 0x0, 0x0) socketpair$unix(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff, 0xffffffffffffffff}) ioctl$TUNSETNOCSUM(r0, 0x8902, 0x20000000) program did not crash bisect: testing without sub-chunk 2/3 testing program (duration=16m2s, {Threaded:true Repeat:true RepeatTimes:0 Procs:2 Slowdown:10 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:false Wifi:false IEEE802154:false Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): [3, 3, 3, 3, 3, 3, 3, 3] detailed listing: executing program 1: r0 = socket$xdp(0x2c, 0x3, 0x0) r1 = fcntl$dupfd(r0, 0x0, r0) syz_genetlink_get_family_id$mptcp(&(0x7f0000000080), r1) executing program 0: r0 = bpf$BPF_PROG_RAW_TRACEPOINT_LOAD(0x5, &(0x7f0000000000)={0x11, 0x3, &(0x7f00000002c0)=@framed, &(0x7f0000000140)='syzkaller\x00'}, 0x80) bpf$BPF_RAW_TRACEPOINT_OPEN(0x11, &(0x7f0000000100)={&(0x7f0000000080)='sys_exit\x00', r0}, 0x10) prctl$PR_SET_THP_DISABLE(0x35, 0x1) executing program 1: socketpair(0x1, 0x3, 0x0, &(0x7f0000000000)={0xffffffffffffffff, 0xffffffffffffffff}) ioctl$sock_ipv4_tunnel_SIOCADDTUNNEL(r1, 0x89f1, &(0x7f0000000200)={'syztnl0\x00', 0x0}) getsockopt$inet_mreqn(r0, 0x0, 0x23, 0x0, 0x0) executing program 0: r0 = socket$kcm(0x29, 0x2, 0x0) ioctl$sock_kcm_SIOCKCMCLONE(r0, 0x89e2, &(0x7f0000001380)={0xffffffffffffffff}) sendmmsg$unix(r1, 0x0, 0x0, 0x40) executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(0x0, r0) sendmsg$NLBL_UNLABEL_C_ACCEPT(r0, &(0x7f00000012c0)={0x0, 0x0, &(0x7f0000001280)={0x0}, 0x1, 0x0, 0x0, 0x854}, 0x1) executing program 1: r0 = socket$xdp(0x2c, 0x3, 0x0) r1 = fcntl$dupfd(r0, 0x0, r0) sendmsg$RDMA_NLDEV_CMD_SYS_GET(r1, &(0x7f0000000200)={0x0, 0x0, &(0x7f00000001c0)={0x0}}, 0x0) executing program 0: creat(&(0x7f0000000200)='./file0\x00', 0x0) stat(&(0x7f0000000100)='./file0\x00', &(0x7f0000000140)={0x0, 0x0, 0x0, 0x0, 0x0, 0x0}) setfsgid(r0) executing program 1: openat$tun(0xffffffffffffff9c, &(0x7f0000000000), 0x0, 0x0) socketpair$unix(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff, 0xffffffffffffffff}) ioctl$TUNSETNOCSUM(r0, 0x8902, 0x20000000) program crashed: INFO: task hung in _vm_unmap_aliases bisect: the chunk can be dropped bisect: testing without sub-chunk 3/3 testing program (duration=16m1s, {Threaded:true Repeat:true RepeatTimes:0 Procs:2 Slowdown:10 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:false Wifi:false IEEE802154:false Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): [3, 3, 3, 3] detailed listing: executing program 1: r0 = socket$xdp(0x2c, 0x3, 0x0) r1 = fcntl$dupfd(r0, 0x0, r0) syz_genetlink_get_family_id$mptcp(&(0x7f0000000080), r1) executing program 0: r0 = bpf$BPF_PROG_RAW_TRACEPOINT_LOAD(0x5, &(0x7f0000000000)={0x11, 0x3, &(0x7f00000002c0)=@framed, &(0x7f0000000140)='syzkaller\x00'}, 0x80) bpf$BPF_RAW_TRACEPOINT_OPEN(0x11, &(0x7f0000000100)={&(0x7f0000000080)='sys_exit\x00', r0}, 0x10) prctl$PR_SET_THP_DISABLE(0x35, 0x1) executing program 1: socketpair(0x1, 0x3, 0x0, &(0x7f0000000000)={0xffffffffffffffff, 0xffffffffffffffff}) ioctl$sock_ipv4_tunnel_SIOCADDTUNNEL(r1, 0x89f1, &(0x7f0000000200)={'syztnl0\x00', 0x0}) getsockopt$inet_mreqn(r0, 0x0, 0x23, 0x0, 0x0) executing program 0: r0 = socket$kcm(0x29, 0x2, 0x0) ioctl$sock_kcm_SIOCKCMCLONE(r0, 0x89e2, &(0x7f0000001380)={0xffffffffffffffff}) sendmmsg$unix(r1, 0x0, 0x0, 0x40) program crashed: INFO: task hung in _vm_unmap_aliases bisect: the chunk can be dropped bisect: split chunks (needed=true): <4> bisect: split chunk #0 of len 4 into 2 parts bisect: testing without sub-chunk 1/2 testing program (duration=16m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:2 Slowdown:10 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:false Wifi:false IEEE802154:false Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): [3, 3] detailed listing: executing program 1: socketpair(0x1, 0x3, 0x0, &(0x7f0000000000)={0xffffffffffffffff, 0xffffffffffffffff}) ioctl$sock_ipv4_tunnel_SIOCADDTUNNEL(r1, 0x89f1, &(0x7f0000000200)={'syztnl0\x00', 0x0}) getsockopt$inet_mreqn(r0, 0x0, 0x23, 0x0, 0x0) executing program 0: r0 = socket$kcm(0x29, 0x2, 0x0) ioctl$sock_kcm_SIOCKCMCLONE(r0, 0x89e2, &(0x7f0000001380)={0xffffffffffffffff}) sendmmsg$unix(r1, 0x0, 0x0, 0x40) program did not crash bisect: testing without sub-chunk 2/2 testing program (duration=16m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:2 Slowdown:10 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:false Wifi:false IEEE802154:false Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): [3, 3] detailed listing: executing program 1: r0 = socket$xdp(0x2c, 0x3, 0x0) r1 = fcntl$dupfd(r0, 0x0, r0) syz_genetlink_get_family_id$mptcp(&(0x7f0000000080), r1) executing program 0: r0 = bpf$BPF_PROG_RAW_TRACEPOINT_LOAD(0x5, &(0x7f0000000000)={0x11, 0x3, &(0x7f00000002c0)=@framed, &(0x7f0000000140)='syzkaller\x00'}, 0x80) bpf$BPF_RAW_TRACEPOINT_OPEN(0x11, &(0x7f0000000100)={&(0x7f0000000080)='sys_exit\x00', r0}, 0x10) prctl$PR_SET_THP_DISABLE(0x35, 0x1) program crashed: INFO: task hung in _vm_unmap_aliases bisect: the chunk can be dropped bisect: split chunks (needed=true): <2> bisect: split chunk #0 of len 2 into 2 parts bisect: testing without sub-chunk 1/2 testing program (duration=16m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:2 Slowdown:10 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:false Wifi:false IEEE802154:false Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): bpf$BPF_PROG_RAW_TRACEPOINT_LOAD-bpf$BPF_RAW_TRACEPOINT_OPEN-prctl$PR_SET_THP_DISABLE detailed listing: executing program 0: r0 = bpf$BPF_PROG_RAW_TRACEPOINT_LOAD(0x5, &(0x7f0000000000)={0x11, 0x3, &(0x7f00000002c0)=@framed, &(0x7f0000000140)='syzkaller\x00'}, 0x80) bpf$BPF_RAW_TRACEPOINT_OPEN(0x11, &(0x7f0000000100)={&(0x7f0000000080)='sys_exit\x00', r0}, 0x10) prctl$PR_SET_THP_DISABLE(0x35, 0x1) program crashed: INFO: task hung in _vm_unmap_aliases bisect: the chunk can be dropped bisect: testing without sub-chunk 2/2 bisect: no need to test this chunk, it's definitely needed bisect: split chunks (needed=true): <1> bisect: split chunk #0 of len 1 into 2 parts bisect: no way to further split the chunk bisect: 1 programs left: executing program 0: r0 = bpf$BPF_PROG_RAW_TRACEPOINT_LOAD(0x5, &(0x7f0000000000)={0x11, 0x3, &(0x7f00000002c0)=@framed, &(0x7f0000000140)='syzkaller\x00'}, 0x80) bpf$BPF_RAW_TRACEPOINT_OPEN(0x11, &(0x7f0000000100)={&(0x7f0000000080)='sys_exit\x00', r0}, 0x10) prctl$PR_SET_THP_DISABLE(0x35, 0x1) bisect: trying to concatenate bisect: concatenate 1 entries testing program (duration=24m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:2 Slowdown:10 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:false Wifi:false IEEE802154:false Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): bpf$BPF_PROG_RAW_TRACEPOINT_LOAD-bpf$BPF_RAW_TRACEPOINT_OPEN-prctl$PR_SET_THP_DISABLE detailed listing: executing program 0: r0 = bpf$BPF_PROG_RAW_TRACEPOINT_LOAD(0x5, &(0x7f0000000000)={0x11, 0x3, &(0x7f00000002c0)=@framed, &(0x7f0000000140)='syzkaller\x00'}, 0x80) bpf$BPF_RAW_TRACEPOINT_OPEN(0x11, &(0x7f0000000100)={&(0x7f0000000080)='sys_exit\x00', r0}, 0x10) prctl$PR_SET_THP_DISABLE(0x35, 0x1) program crashed: INFO: task hung in _vm_unmap_aliases bisect: concatenation succeeded found reproducer with 3 syscalls minimizing guilty program testing program (duration=19m33.917732352s, {Threaded:true Repeat:true RepeatTimes:0 Procs:2 Slowdown:10 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:false Wifi:false IEEE802154:false Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): bpf$BPF_PROG_RAW_TRACEPOINT_LOAD-bpf$BPF_RAW_TRACEPOINT_OPEN detailed listing: executing program 0: r0 = bpf$BPF_PROG_RAW_TRACEPOINT_LOAD(0x5, &(0x7f0000000000)={0x11, 0x3, &(0x7f00000002c0)=@framed, &(0x7f0000000140)='syzkaller\x00'}, 0x80) bpf$BPF_RAW_TRACEPOINT_OPEN(0x11, &(0x7f0000000100)={&(0x7f0000000080)='sys_exit\x00', r0}, 0x10) program crashed: INFO: task hung in _vm_unmap_aliases testing program (duration=19m33.917732352s, {Threaded:true Repeat:true RepeatTimes:0 Procs:2 Slowdown:10 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:false Wifi:false IEEE802154:false Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): bpf$BPF_PROG_RAW_TRACEPOINT_LOAD detailed listing: executing program 0: bpf$BPF_PROG_RAW_TRACEPOINT_LOAD(0x5, &(0x7f0000000000)={0x11, 0x3, &(0x7f00000002c0)=@framed, &(0x7f0000000140)='syzkaller\x00'}, 0x80) program crashed: INFO: task hung in _vm_unmap_aliases testing program (duration=19m33.917732352s, {Threaded:true Repeat:true RepeatTimes:0 Procs:2 Slowdown:10 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:false Wifi:false IEEE802154:false Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): bpf$BPF_PROG_RAW_TRACEPOINT_LOAD detailed listing: executing program 0: bpf$BPF_PROG_RAW_TRACEPOINT_LOAD(0x5, 0x0, 0x0) program did not crash testing program (duration=19m33.917732352s, {Threaded:true Repeat:true RepeatTimes:0 Procs:2 Slowdown:10 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:false Wifi:false IEEE802154:false Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): bpf$BPF_PROG_RAW_TRACEPOINT_LOAD detailed listing: executing program 0: bpf$BPF_PROG_RAW_TRACEPOINT_LOAD(0x5, &(0x7f0000000000)={0x11, 0x0, 0x0, &(0x7f0000000140)='syzkaller\x00'}, 0x94) program did not crash testing program (duration=19m33.917732352s, {Threaded:true Repeat:true RepeatTimes:0 Procs:2 Slowdown:10 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:false Wifi:false IEEE802154:false Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): bpf$BPF_PROG_RAW_TRACEPOINT_LOAD detailed listing: executing program 0: bpf$BPF_PROG_RAW_TRACEPOINT_LOAD(0x5, &(0x7f0000000000)={0x11, 0x3, &(0x7f00000002c0)=@framed, 0x0}, 0x94) program did not crash extracting C reproducer testing compiled C program (duration=19m33.917732352s, {Threaded:true Repeat:true RepeatTimes:0 Procs:2 Slowdown:10 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:false Wifi:false IEEE802154:false Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): bpf$BPF_PROG_RAW_TRACEPOINT_LOAD program crashed: INFO: task hung in _vm_unmap_aliases simplifying C reproducer testing compiled C program (duration=19m33.917732352s, {Threaded:false Repeat:true RepeatTimes:0 Procs:2 Slowdown:10 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:false Wifi:false IEEE802154:false Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): bpf$BPF_PROG_RAW_TRACEPOINT_LOAD program crashed: INFO: task hung in _vm_unmap_aliases testing compiled C program (duration=19m33.917732352s, {Threaded:false Repeat:true RepeatTimes:0 Procs:1 Slowdown:10 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:false Wifi:false IEEE802154:false Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): bpf$BPF_PROG_RAW_TRACEPOINT_LOAD program crashed: INFO: task hung in _vm_unmap_aliases testing compiled C program (duration=19m33.917732352s, {Threaded:false Repeat:true RepeatTimes:0 Procs:1 Slowdown:10 Sandbox: SandboxArg:0 Leak:false NetInjection:false NetDevices:false NetReset:false Cgroups:false BinfmtMisc:false CloseFDs:false KCSAN:false DevlinkPCI:false NicVF:false USB:false VhciInjection:false Wifi:false IEEE802154:false Sysctl:true Swap:false UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): bpf$BPF_PROG_RAW_TRACEPOINT_LOAD program crashed: INFO: task hung in _vm_unmap_aliases testing compiled C program (duration=19m33.917732352s, {Threaded:false Repeat:true RepeatTimes:0 Procs:1 Slowdown:10 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}}): bpf$BPF_PROG_RAW_TRACEPOINT_LOAD program crashed: INFO: task hung in _vm_unmap_aliases testing compiled C program (duration=19m33.917732352s, {Threaded:false Repeat:true RepeatTimes:0 Procs:1 Slowdown:10 Sandbox: SandboxArg:0 Leak:false NetInjection:false NetDevices:false NetReset:false Cgroups:false BinfmtMisc:false CloseFDs:false KCSAN:false DevlinkPCI:false NicVF:false USB:false VhciInjection:false Wifi:false IEEE802154:false Sysctl:true Swap:false UseTmpDir:false HandleSegv:false Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): bpf$BPF_PROG_RAW_TRACEPOINT_LOAD program crashed: INFO: task hung in _vm_unmap_aliases testing compiled C program (duration=19m33.917732352s, {Threaded:false Repeat:true RepeatTimes:0 Procs:1 Slowdown:10 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}}): bpf$BPF_PROG_RAW_TRACEPOINT_LOAD program crashed: INFO: task hung in _vm_unmap_aliases testing program (duration=19m33.917732352s, {Threaded:false Repeat:true RepeatTimes:0 Procs:1 Slowdown:10 Sandbox: SandboxArg:0 Leak:false NetInjection:false NetDevices:false NetReset:false Cgroups:false BinfmtMisc:false CloseFDs:false KCSAN:false DevlinkPCI:false NicVF:false USB:false VhciInjection:false Wifi:false IEEE802154:false Sysctl:false Swap:false UseTmpDir:false HandleSegv:false Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): bpf$BPF_PROG_RAW_TRACEPOINT_LOAD detailed listing: executing program 0: bpf$BPF_PROG_RAW_TRACEPOINT_LOAD(0x5, &(0x7f0000000000)={0x11, 0x3, &(0x7f00000002c0)=@framed, &(0x7f0000000140)='syzkaller\x00'}, 0x80) program crashed: INFO: task hung in _vm_unmap_aliases validation run: crashed=true testing program (duration=19m33.917732352s, {Threaded:false Repeat:true RepeatTimes:0 Procs:1 Slowdown:10 Sandbox: SandboxArg:0 Leak:false NetInjection:false NetDevices:false NetReset:false Cgroups:false BinfmtMisc:false CloseFDs:false KCSAN:false DevlinkPCI:false NicVF:false USB:false VhciInjection:false Wifi:false IEEE802154:false Sysctl:false Swap:false UseTmpDir:false HandleSegv:false Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): bpf$BPF_PROG_RAW_TRACEPOINT_LOAD detailed listing: executing program 0: bpf$BPF_PROG_RAW_TRACEPOINT_LOAD(0x5, &(0x7f0000000000)={0x11, 0x3, &(0x7f00000002c0)=@framed, &(0x7f0000000140)='syzkaller\x00'}, 0x80) program crashed: INFO: task hung in _vm_unmap_aliases validation run: crashed=true testing program (duration=19m33.917732352s, {Threaded:false Repeat:true RepeatTimes:0 Procs:1 Slowdown:10 Sandbox: SandboxArg:0 Leak:false NetInjection:false NetDevices:false NetReset:false Cgroups:false BinfmtMisc:false CloseFDs:false KCSAN:false DevlinkPCI:false NicVF:false USB:false VhciInjection:false Wifi:false IEEE802154:false Sysctl:false Swap:false UseTmpDir:false HandleSegv:false Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): bpf$BPF_PROG_RAW_TRACEPOINT_LOAD detailed listing: executing program 0: bpf$BPF_PROG_RAW_TRACEPOINT_LOAD(0x5, &(0x7f0000000000)={0x11, 0x3, &(0x7f00000002c0)=@framed, &(0x7f0000000140)='syzkaller\x00'}, 0x80) program crashed: INFO: task hung in _vm_unmap_aliases validation run: crashed=true reproducing took 6h6m42.349914215s repro crashed as (corrupted=false): INFO: task kworker/1:3:2885 blocked for more than 430 seconds. Not tainted syzkaller #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:kworker/1:3 state:D stack:0 pid:2885 tgid:2885 ppid:2 task_flags:0x4208060 flags:0x00000000 Workqueue: events bpf_prog_free_deferred Call trace: [<81a643fc>] (__schedule) from [<81a65390>] (__schedule_loop kernel/sched/core.c:7011 [inline]) [<81a643fc>] (__schedule) from [<81a65390>] (schedule+0x2c/0x130 kernel/sched/core.c:7026) r10:eb005d84 r9:00000002 r8:60000113 r7:829171a0 r6:eb005d8c r5:83ff8000 r4:83ff8000 [<81a65364>] (schedule) from [<81a65778>] (schedule_preempt_disabled+0x18/0x24 kernel/sched/core.c:7083) r5:83ff8000 r4:8291719c [<81a65760>] (schedule_preempt_disabled) from [<81a68328>] (__mutex_lock_common kernel/locking/mutex.c:676 [inline]) [<81a65760>] (schedule_preempt_disabled) from [<81a68328>] (__mutex_lock.constprop.0+0x350/0xa24 kernel/locking/mutex.c:760) [<81a67fd8>] (__mutex_lock.constprop.0) from [<81a68ad0>] (__mutex_lock_slowpath+0x14/0x18 kernel/locking/mutex.c:1049) r10:8280c960 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:eb005e08 r4:00000000 [<81a68abc>] (__mutex_lock_slowpath) from [<81a68b10>] (mutex_lock+0x3c/0x40 kernel/locking/mutex.c:274) [<81a68ad4>] (mutex_lock) from [<804ea30c>] (_vm_unmap_aliases+0x68/0x240 mm/vmalloc.c:2918) [<804ea2a4>] (_vm_unmap_aliases) from [<804ee0ec>] (vm_reset_perms mm/vmalloc.c:3349 [inline]) [<804ea2a4>] (_vm_unmap_aliases) from [<804ee0ec>] (vfree+0x16c/0x210 mm/vmalloc.c:3428) r10:83016170 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:85608200 r4:00000000 [<804edf80>] (vfree) from [<80559038>] (execmem_free+0x30/0x50 mm/execmem.c:503) r9:83018605 r8:83ff8000 r7:00000000 r6:83018600 r5:00001000 r4:7f063000 [<80559008>] (execmem_free) from [<803c5fa0>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1052) r5:00001000 r4:dfa3f000 [<803c5f90>] (bpf_jit_free_exec) from [<803c6380>] (bpf_jit_binary_free kernel/bpf/core.c:1098 [inline]) [<803c5f90>] (bpf_jit_free_exec) from [<803c6380>] (bpf_jit_free+0x68/0xe4 kernel/bpf/core.c:1221) [<803c6318>] (bpf_jit_free) from [<803c7428>] (bpf_prog_free_deferred+0x140/0x158 kernel/bpf/core.c:2898) r5:8583cf8c r4:8450a180 [<803c72e8>] (bpf_prog_free_deferred) from [<802785a0>] (process_one_work+0x1b4/0x4f4 kernel/workqueue.c:3263) r7:ddde3d80 r6:83018600 r5:8583cf8c r4:8450a180 [<802783ec>] (process_one_work) from [<802791e8>] (process_scheduled_works kernel/workqueue.c:3346 [inline]) [<802783ec>] (process_one_work) from [<802791e8>] (worker_thread+0x1fc/0x3d8 kernel/workqueue.c:3427) r10:61c88647 r9:83ff8000 r8:8450a1ac r7:82804d40 r6:ddde3d80 r5:ddde3da0 r4:8450a180 [<80278fec>] (worker_thread) from [<8028020c>] (kthread+0x12c/0x280 kernel/kthread.c:463) r10:00000000 r9:8450a180 r8:80278fec r7:ea6c9e60 r6:8450a200 r5:83ff8000 r4:00000001 [<802800e0>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137) Exception stack(0xeb005fb0 to 0xeb005ff8) 5fa0: 00000000 00000000 00000000 00000000 5fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 5fe0: 00000000 00000000 00000000 00000000 00000013 00000000 r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802800e0 r4:84507840 INFO: task kworker/1:3:2885 is blocked on a mutex likely owned by task kworker/1:48:4332. task:kworker/1:48 state:R running task stack:0 pid:4332 tgid:4332 ppid:2 task_flags:0x4208060 flags:0x00000000 Workqueue: events bpf_prog_free_deferred Call trace: [<81a643fc>] (__schedule) from [<81a657c4>] (preempt_schedule_irq+0x40/0xa8 kernel/sched/core.c:7256) r10:8280c9b4 r9:841a1800 r8:80200c04 r7:dfaa5d54 r6:ffffffff r5:841a1800 r4:00000000 [<81a65784>] (preempt_schedule_irq) from [<80200c24>] (svc_preempt+0x8/0x18) Exception stack(0xdfaa5d20 to 0xdfaa5d68) 5d20: abef2000 ebc85000 00000001 80239bf8 7f00b000 00000001 82acb1c4 82aca5a0 5d40: 7f00b000 ebc85000 8280c9b4 dfaa5d9c dfaa5da0 dfaa5d70 80230af0 80239c10 5d60: 80000113 ffffffff r5:80000113 r4:80239c10 [<80230a8c>] (flush_tlb_kernel_range) from [<804ea0d0>] (__purge_vmap_area_lazy+0x284/0x458 mm/vmalloc.c:2342) r4:82acb1e4 [<804e9e4c>] (__purge_vmap_area_lazy) from [<804ea488>] (_vm_unmap_aliases+0x1e4/0x240 mm/vmalloc.c:2957) r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:dfaa5dc0 r5:dfaa5e08 r4:dfaa5dc0 [<804ea2a4>] (_vm_unmap_aliases) from [<804ee0ec>] (vm_reset_perms mm/vmalloc.c:3349 [inline]) [<804ea2a4>] (_vm_unmap_aliases) from [<804ee0ec>] (vfree+0x16c/0x210 mm/vmalloc.c:3428) r10:83016170 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:85603140 r4:00000000 [<804edf80>] (vfree) from [<80559038>] (execmem_free+0x30/0x50 mm/execmem.c:503) r9:83018605 r8:841a1800 r7:00000000 r6:83018600 r5:00001000 r4:7f03f000 [<80559008>] (execmem_free) from [<803c5fa0>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1052) r5:00001000 r4:e02bf000 [<803c5f90>] (bpf_jit_free_exec) from [<803c6380>] (bpf_jit_binary_free kernel/bpf/core.c:1098 [inline]) [<803c5f90>] (bpf_jit_free_exec) from [<803c6380>] (bpf_jit_free+0x68/0xe4 kernel/bpf/core.c:1221) [<803c6318>] (bpf_jit_free) from [<803c7428>] (bpf_prog_free_deferred+0x140/0x158 kernel/bpf/core.c:2898) r5:8583d38c r4:84e4ab80 [<803c72e8>] (bpf_prog_free_deferred) from [<802785a0>] (process_one_work+0x1b4/0x4f4 kernel/workqueue.c:3263) r7:ddde3d80 r6:83018600 r5:8583d38c r4:84e4ab80 [<802783ec>] (process_one_work) from [<802791e8>] (process_scheduled_works kernel/workqueue.c:3346 [inline]) [<802783ec>] (process_one_work) from [<802791e8>] (worker_thread+0x1fc/0x3d8 kernel/workqueue.c:3427) r10:61c88647 r9:841a1800 r8:84e4abac r7:82804d40 r6:ddde3d80 r5:ddde3da0 r4:84e4ab80 [<80278fec>] (worker_thread) from [<8028020c>] (kthread+0x12c/0x280 kernel/kthread.c:463) r10:00000000 r9:84e4ab80 r8:80278fec r7:dfae1e60 r6:84e4a080 r5:841a1800 r4:00000001 [<802800e0>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137) Exception stack(0xdfaa5fb0 to 0xdfaa5ff8) 5fa0: 00000000 00000000 00000000 00000000 5fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 5fe0: 00000000 00000000 00000000 00000000 00000013 00000000 r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802800e0 r4:854fcbc0 INFO: task kworker/1:2:3598 blocked for more than 430 seconds. Not tainted syzkaller #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:kworker/1:2 state:D stack:0 pid:3598 tgid:3598 ppid:2 task_flags:0x4208060 flags:0x00000000 Workqueue: events bpf_prog_free_deferred Call trace: [<81a643fc>] (__schedule) from [<81a65390>] (__schedule_loop kernel/sched/core.c:7011 [inline]) [<81a643fc>] (__schedule) from [<81a65390>] (schedule+0x2c/0x130 kernel/sched/core.c:7026) r10:dfc39d84 r9:00000002 r8:600b0113 r7:829171a0 r6:dfc39d8c r5:83981800 r4:83981800 [<81a65364>] (schedule) from [<81a65778>] (schedule_preempt_disabled+0x18/0x24 kernel/sched/core.c:7083) r5:83981800 r4:8291719c [<81a65760>] (schedule_preempt_disabled) from [<81a68328>] (__mutex_lock_common kernel/locking/mutex.c:676 [inline]) [<81a65760>] (schedule_preempt_disabled) from [<81a68328>] (__mutex_lock.constprop.0+0x350/0xa24 kernel/locking/mutex.c:760) [<81a67fd8>] (__mutex_lock.constprop.0) from [<81a68ad0>] (__mutex_lock_slowpath+0x14/0x18 kernel/locking/mutex.c:1049) r10:8280c960 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:dfc39e08 r4:00000000 [<81a68abc>] (__mutex_lock_slowpath) from [<81a68b10>] (mutex_lock+0x3c/0x40 kernel/locking/mutex.c:274) [<81a68ad4>] (mutex_lock) from [<804ea30c>] (_vm_unmap_aliases+0x68/0x240 mm/vmalloc.c:2918) [<804ea2a4>] (_vm_unmap_aliases) from [<804ee0ec>] (vm_reset_perms mm/vmalloc.c:3349 [inline]) [<804ea2a4>] (_vm_unmap_aliases) from [<804ee0ec>] (vfree+0x16c/0x210 mm/vmalloc.c:3428) r10:83016170 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:8559ed00 r4:00000000 [<804edf80>] (vfree) from [<80559038>] (execmem_free+0x30/0x50 mm/execmem.c:503) r9:83018605 r8:83981800 r7:00000000 r6:83018600 r5:00001000 r4:7f06b000 [<80559008>] (execmem_free) from [<803c5fa0>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1052) r5:00001000 r4:eb907000 [<803c5f90>] (bpf_jit_free_exec) from [<803c6380>] (bpf_jit_binary_free kernel/bpf/core.c:1098 [inline]) [<803c5f90>] (bpf_jit_free_exec) from [<803c6380>] (bpf_jit_free+0x68/0xe4 kernel/bpf/core.c:1221) [<803c6318>] (bpf_jit_free) from [<803c7428>] (bpf_prog_free_deferred+0x140/0x158 kernel/bpf/core.c:2898) r5:8587138c r4:85439e80 [<803c72e8>] (bpf_prog_free_deferred) from [<802785a0>] (process_one_work+0x1b4/0x4f4 kernel/workqueue.c:3263) r7:ddde3d80 r6:83018600 r5:8587138c r4:85439e80 [<802783ec>] (process_one_work) from [<802791e8>] (process_scheduled_works kernel/workqueue.c:3346 [inline]) [<802783ec>] (process_one_work) from [<802791e8>] (worker_thread+0x1fc/0x3d8 kernel/workqueue.c:3427) r10:61c88647 r9:83981800 r8:85439eac r7:82804d40 r6:ddde3d80 r5:ddde3da0 r4:85439e80 [<80278fec>] (worker_thread) from [<8028020c>] (kthread+0x12c/0x280 kernel/kthread.c:463) r10:00000000 r9:85439e80 r8:80278fec r7:eb005e60 r6:85439f00 r5:83981800 r4:00000001 [<802800e0>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137) Exception stack(0xdfc39fb0 to 0xdfc39ff8) 9fa0: 00000000 00000000 00000000 00000000 9fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 9fe0: 00000000 00000000 00000000 00000000 00000013 00000000 r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802800e0 r4:8559ea80 INFO: task kworker/1:2:3598 is blocked on a mutex likely owned by task kworker/1:48:4332. task:kworker/1:48 state:R running task stack:0 pid:4332 tgid:4332 ppid:2 task_flags:0x4208060 flags:0x00000000 Workqueue: events bpf_prog_free_deferred Call trace: [<81a643fc>] (__schedule) from [<81a657c4>] (preempt_schedule_irq+0x40/0xa8 kernel/sched/core.c:7256) r10:8280c9b4 r9:841a1800 r8:80200c04 r7:dfaa5d54 r6:ffffffff r5:841a1800 r4:00000000 [<81a65784>] (preempt_schedule_irq) from [<80200c24>] (svc_preempt+0x8/0x18) Exception stack(0xdfaa5d20 to 0xdfaa5d68) 5d20: addb3000 ebc85000 00000001 80239bf8 7f00b000 00000001 82acb1c4 82aca5a0 5d40: 7f00b000 ebc85000 8280c9b4 dfaa5d9c dfaa5da0 dfaa5d70 80230af0 80239c10 5d60: 80000113 ffffffff r5:80000113 r4:80239c10 [<80230a8c>] (flush_tlb_kernel_range) from [<804ea0d0>] (__purge_vmap_area_lazy+0x284/0x458 mm/vmalloc.c:2342) r4:82acb1e4 [<804e9e4c>] (__purge_vmap_area_lazy) from [<804ea488>] (_vm_unmap_aliases+0x1e4/0x240 mm/vmalloc.c:2957) r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:dfaa5dc0 r5:dfaa5e08 r4:dfaa5dc0 [<804ea2a4>] (_vm_unmap_aliases) from [<804ee0ec>] (vm_reset_perms mm/vmalloc.c:3349 [inline]) [<804ea2a4>] (_vm_unmap_aliases) from [<804ee0ec>] (vfree+0x16c/0x210 mm/vmalloc.c:3428) r10:83016170 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:85603140 r4:00000000 [<804edf80>] (vfree) from [<80559038>] (execmem_free+0x30/0x50 mm/execmem.c:503) r9:83018605 r8:841a1800 r7:00000000 r6:83018600 r5:00001000 r4:7f03f000 [<80559008>] (execmem_free) from [<803c5fa0>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1052) r5:00001000 r4:e02bf000 [<803c5f90>] (bpf_jit_free_exec) from [<803c6380>] (bpf_jit_binary_free kernel/bpf/core.c:1098 [inline]) [<803c5f90>] (bpf_jit_free_exec) from [<803c6380>] (bpf_jit_free+0x68/0xe4 kernel/bpf/core.c:1221) [<803c6318>] (bpf_jit_free) from [<803c7428>] (bpf_prog_free_deferred+0x140/0x158 kernel/bpf/core.c:2898) r5:8583d38c r4:84e4ab80 [<803c72e8>] (bpf_prog_free_deferred) from [<802785a0>] (process_one_work+0x1b4/0x4f4 kernel/workqueue.c:3263) r7:ddde3d80 r6:83018600 r5:8583d38c r4:84e4ab80 [<802783ec>] (process_one_work) from [<802791e8>] (process_scheduled_works kernel/workqueue.c:3346 [inline]) [<802783ec>] (process_one_work) from [<802791e8>] (worker_thread+0x1fc/0x3d8 kernel/workqueue.c:3427) r10:61c88647 r9:841a1800 r8:84e4abac r7:82804d40 r6:ddde3d80 r5:ddde3da0 r4:84e4ab80 [<80278fec>] (worker_thread) from [<8028020c>] (kthread+0x12c/0x280 kernel/kthread.c:463) r10:00000000 r9:84e4ab80 r8:80278fec r7:dfae1e60 r6:84e4a080 r5:841a1800 r4:00000001 [<802800e0>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137) Exception stack(0xdfaa5fb0 to 0xdfaa5ff8) 5fa0: 00000000 00000000 00000000 00000000 5fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 5fe0: 00000000 00000000 00000000 00000000 00000013 00000000 r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802800e0 r4:854fcbc0 INFO: task kworker/1:4:4169 blocked for more than 430 seconds. Not tainted syzkaller #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:kworker/1:4 state:D stack:0 pid:4169 tgid:4169 ppid:2 task_flags:0x4208060 flags:0x00000000 Workqueue: events bpf_prog_free_deferred Call trace: [<81a643fc>] (__schedule) from [<81a65390>] (__schedule_loop kernel/sched/core.c:7011 [inline]) [<81a643fc>] (__schedule) from [<81a65390>] (schedule+0x2c/0x130 kernel/sched/core.c:7026) r10:e43edd84 r9:00000002 r8:60000113 r7:829171a0 r6:e43edd8c r5:83304800 r4:83304800 [<81a65364>] (schedule) from [<81a65778>] (schedule_preempt_disabled+0x18/0x24 kernel/sched/core.c:7083) r5:83304800 r4:8291719c [<81a65760>] (schedule_preempt_disabled) from [<81a68328>] (__mutex_lock_common kernel/locking/mutex.c:676 [inline]) [<81a65760>] (schedule_preempt_disabled) from [<81a68328>] (__mutex_lock.constprop.0+0x350/0xa24 kernel/locking/mutex.c:760) [<81a67fd8>] (__mutex_lock.constprop.0) from [<81a68ad0>] (__mutex_lock_slowpath+0x14/0x18 kernel/locking/mutex.c:1049) r10:8280c960 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:e43ede08 r4:00000000 [<81a68abc>] (__mutex_lock_slowpath) from [<81a68b10>] (mutex_lock+0x3c/0x40 kernel/locking/mutex.c:274) [<81a68ad4>] (mutex_lock) from [<804ea30c>] (_vm_unmap_aliases+0x68/0x240 mm/vmalloc.c:2918) [<804ea2a4>] (_vm_unmap_aliases) from [<804ee0ec>] (vm_reset_perms mm/vmalloc.c:3349 [inline]) [<804ea2a4>] (_vm_unmap_aliases) from [<804ee0ec>] (vfree+0x16c/0x210 mm/vmalloc.c:3428) r10:83016170 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:85608780 r4:00000000 [<804edf80>] (vfree) from [<80559038>] (execmem_free+0x30/0x50 mm/execmem.c:503) r9:83018605 r8:83304800 r7:00000000 r6:83018600 r5:00001000 r4:7f073000 [<80559008>] (execmem_free) from [<803c5fa0>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1052) r5:00001000 r4:eb9c1000 [<803c5f90>] (bpf_jit_free_exec) from [<803c6380>] (bpf_jit_binary_free kernel/bpf/core.c:1098 [inline]) [<803c5f90>] (bpf_jit_free_exec) from [<803c6380>] (bpf_jit_free+0x68/0xe4 kernel/bpf/core.c:1221) [<803c6318>] (bpf_jit_free) from [<803c7428>] (bpf_prog_free_deferred+0x140/0x158 kernel/bpf/core.c:2898) r5:8583c78c r4:8540c300 [<803c72e8>] (bpf_prog_free_deferred) from [<802785a0>] (process_one_work+0x1b4/0x4f4 kernel/workqueue.c:3263) r7:ddde3d80 r6:83018600 r5:8583c78c r4:8540c300 [<802783ec>] (process_one_work) from [<802791e8>] (process_scheduled_works kernel/workqueue.c:3346 [inline]) [<802783ec>] (process_one_work) from [<802791e8>] (worker_thread+0x1fc/0x3d8 kernel/workqueue.c:3427) r10:61c88647 r9:83304800 r8:8540c32c r7:82804d40 r6:ddde3d80 r5:ddde3da0 r4:8540c300 [<80278fec>] (worker_thread) from [<8028020c>] (kthread+0x12c/0x280 kernel/kthread.c:463) r10:00000000 r9:8540c300 r8:80278fec r7:eb005e60 r6:854f1080 r5:83304800 r4:00000001 [<802800e0>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137) Exception stack(0xe43edfb0 to 0xe43edff8) dfa0: 00000000 00000000 00000000 00000000 dfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 dfe0: 00000000 00000000 00000000 00000000 00000013 00000000 r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802800e0 r4:856da280 INFO: task kworker/1:4:4169 is blocked on a mutex likely owned by task kworker/1:48:4332. task:kworker/1:48 state:R running task stack:0 pid:4332 tgid:4332 ppid:2 task_flags:0x4208060 flags:0x00000000 Workqueue: events bpf_prog_free_deferred Call trace: [<81a643fc>] (__schedule) from [<81a657c4>] (preempt_schedule_irq+0x40/0xa8 kernel/sched/core.c:7256) r10:8280c9b4 r9:841a1800 r8:80200c04 r7:dfaa5d54 r6:ffffffff r5:841a1800 r4:00000000 [<81a65784>] (preempt_schedule_irq) from [<80200c24>] (svc_preempt+0x8/0x18) Exception stack(0xdfaa5d20 to 0xdfaa5d68) 5d20: addb3000 ebc85000 00000001 80239bf8 7f00b000 00000001 82acb1c4 82aca5a0 5d40: 7f00b000 ebc85000 8280c9b4 dfaa5d9c dfaa5da0 dfaa5d70 80230af0 80239c10 5d60: 80000113 ffffffff r5:80000113 r4:80239c10 [<80230a8c>] (flush_tlb_kernel_range) from [<804ea0d0>] (__purge_vmap_area_lazy+0x284/0x458 mm/vmalloc.c:2342) r4:82acb1e4 [<804e9e4c>] (__purge_vmap_area_lazy) from [<804ea488>] (_vm_unmap_aliases+0x1e4/0x240 mm/vmalloc.c:2957) r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:dfaa5dc0 r5:dfaa5e08 r4:dfaa5dc0 [<804ea2a4>] (_vm_unmap_aliases) from [<804ee0ec>] (vm_reset_perms mm/vmalloc.c:3349 [inline]) [<804ea2a4>] (_vm_unmap_aliases) from [<804ee0ec>] (vfree+0x16c/0x210 mm/vmalloc.c:3428) r10:83016170 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:85603140 r4:00000000 [<804edf80>] (vfree) from [<80559038>] (execmem_free+0x30/0x50 mm/execmem.c:503) r9:83018605 r8:841a1800 r7:00000000 r6:83018600 r5:00001000 r4:7f03f000 [<80559008>] (execmem_free) from [<803c5fa0>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1052) r5:00001000 r4:e02bf000 [<803c5f90>] (bpf_jit_free_exec) from [<803c6380>] (bpf_jit_binary_free kernel/bpf/core.c:1098 [inline]) [<803c5f90>] (bpf_jit_free_exec) from [<803c6380>] (bpf_jit_free+0x68/0xe4 kernel/bpf/core.c:1221) [<803c6318>] (bpf_jit_free) from [<803c7428>] (bpf_prog_free_deferred+0x140/0x158 kernel/bpf/core.c:2898) r5:8583d38c r4:84e4ab80 [<803c72e8>] (bpf_prog_free_deferred) from [<802785a0>] (process_one_work+0x1b4/0x4f4 kernel/workqueue.c:3263) r7:ddde3d80 r6:83018600 r5:8583d38c r4:84e4ab80 [<802783ec>] (process_one_work) from [<802791e8>] (process_scheduled_works kernel/workqueue.c:3346 [inline]) [<802783ec>] (process_one_work) from [<802791e8>] (worker_thread+0x1fc/0x3d8 kernel/workqueue.c:3427) r10:61c88647 r9:841a1800 r8:84e4abac r7:82804d40 r6:ddde3d80 r5:ddde3da0 r4:84e4ab80 [<80278fec>] (worker_thread) from [<8028020c>] (kthread+0x12c/0x280 kernel/kthread.c:463) r10:00000000 r9:84e4ab80 r8:80278fec r7:dfae1e60 r6:84e4a080 r5:841a1800 r4:00000001 [<802800e0>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137) Exception stack(0xdfaa5fb0 to 0xdfaa5ff8) 5fa0: 00000000 00000000 00000000 00000000 5fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 5fe0: 00000000 00000000 00000000 00000000 00000013 00000000 r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802800e0 r4:854fcbc0 INFO: task kworker/1:19:4264 blocked for more than 430 seconds. Not tainted syzkaller #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:kworker/1:19 state:D stack:0 pid:4264 tgid:4264 ppid:2 task_flags:0x4208060 flags:0x00000000 Workqueue: events bpf_prog_free_deferred Call trace: [<81a643fc>] (__schedule) from [<81a65390>] (__schedule_loop kernel/sched/core.c:7011 [inline]) [<81a643fc>] (__schedule) from [<81a65390>] (schedule+0x2c/0x130 kernel/sched/core.c:7026) r10:e0319d84 r9:00000002 r8:60000113 r7:829171a0 r6:e0319d8c r5:84fbd400 r4:84fbd400 [<81a65364>] (schedule) from [<81a65778>] (schedule_preempt_disabled+0x18/0x24 kernel/sched/core.c:7083) r5:84fbd400 r4:8291719c [<81a65760>] (schedule_preempt_disabled) from [<81a68328>] (__mutex_lock_common kernel/locking/mutex.c:676 [inline]) [<81a65760>] (schedule_preempt_disabled) from [<81a68328>] (__mutex_lock.constprop.0+0x350/0xa24 kernel/locking/mutex.c:760) [<81a67fd8>] (__mutex_lock.constprop.0) from [<81a68ad0>] (__mutex_lock_slowpath+0x14/0x18 kernel/locking/mutex.c:1049) r10:8280c960 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:e0319e08 r4:00000000 [<81a68abc>] (__mutex_lock_slowpath) from [<81a68b10>] (mutex_lock+0x3c/0x40 kernel/locking/mutex.c:274) [<81a68ad4>] (mutex_lock) from [<804ea30c>] (_vm_unmap_aliases+0x68/0x240 mm/vmalloc.c:2918) [<804ea2a4>] (_vm_unmap_aliases) from [<804ee0ec>] (vm_reset_perms mm/vmalloc.c:3349 [inline]) [<804ea2a4>] (_vm_unmap_aliases) from [<804ee0ec>] (vfree+0x16c/0x210 mm/vmalloc.c:3428) r10:83016170 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:85608740 r4:00000000 [<804edf80>] (vfree) from [<80559038>] (execmem_free+0x30/0x50 mm/execmem.c:503) r9:83018605 r8:84fbd400 r7:00000000 r6:83018600 r5:00001000 r4:7f065000 [<80559008>] (execmem_free) from [<803c5fa0>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1052) r5:00001000 r4:dfa85000 [<803c5f90>] (bpf_jit_free_exec) from [<803c6380>] (bpf_jit_binary_free kernel/bpf/core.c:1098 [inline]) [<803c5f90>] (bpf_jit_free_exec) from [<803c6380>] (bpf_jit_free+0x68/0xe4 kernel/bpf/core.c:1221) [<803c6318>] (bpf_jit_free) from [<803c7428>] (bpf_prog_free_deferred+0x140/0x158 kernel/bpf/core.c:2898) r5:8583cb8c r4:85587400 [<803c72e8>] (bpf_prog_free_deferred) from [<802785a0>] (process_one_work+0x1b4/0x4f4 kernel/workqueue.c:3263) r7:ddde3d80 r6:83018600 r5:8583cb8c r4:85587400 [<802783ec>] (process_one_work) from [<802791e8>] (process_scheduled_works kernel/workqueue.c:3346 [inline]) [<802783ec>] (process_one_work) from [<802791e8>] (worker_thread+0x1fc/0x3d8 kernel/workqueue.c:3427) r10:61c88647 r9:84fbd400 r8:8558742c r7:82804d40 r6:ddde3d80 r5:ddde3da0 r4:85587400 [<80278fec>] (worker_thread) from [<8028020c>] (kthread+0x12c/0x280 kernel/kthread.c:463) r10:00000000 r9:85587400 r8:80278fec r7:e029de60 r6:8542bf80 r5:84fbd400 r4:00000001 [<802800e0>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137) Exception stack(0xe0319fb0 to 0xe0319ff8) 9fa0: 00000000 00000000 00000000 00000000 9fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 9fe0: 00000000 00000000 00000000 00000000 00000013 00000000 r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802800e0 r4:85603a40 INFO: task kworker/1:19:4264 is blocked on a mutex likely owned by task kworker/1:48:4332. task:kworker/1:48 state:R running task stack:0 pid:4332 tgid:4332 ppid:2 task_flags:0x4208060 flags:0x00000000 Workqueue: events bpf_prog_free_deferred Call trace: [<81a643fc>] (__schedule) from [<81a657c4>] (preempt_schedule_irq+0x40/0xa8 kernel/sched/core.c:7256) r10:8280c9b4 r9:841a1800 r8:80200c04 r7:dfaa5d54 r6:ffffffff r5:841a1800 r4:00000000 [<81a65784>] (preempt_schedule_irq) from [<80200c24>] (svc_preempt+0x8/0x18) Exception stack(0xdfaa5d20 to 0xdfaa5d68) 5d20: addb3000 ebc85000 00000001 80239bf8 7f00b000 00000001 82acb1c4 82aca5a0 5d40: 7f00b000 ebc85000 8280c9b4 dfaa5d9c dfaa5da0 dfaa5d70 80230af0 80239c10 5d60: 80000113 ffffffff r5:80000113 r4:80239c10 [<80230a8c>] (flush_tlb_kernel_range) from [<804ea0d0>] (__purge_vmap_area_lazy+0x284/0x458 mm/vmalloc.c:2342) r4:82acb1e4 [<804e9e4c>] (__purge_vmap_area_lazy) from [<804ea488>] (_vm_unmap_aliases+0x1e4/0x240 mm/vmalloc.c:2957) r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:dfaa5dc0 r5:dfaa5e08 r4:dfaa5dc0 [<804ea2a4>] (_vm_unmap_aliases) from [<804ee0ec>] (vm_reset_perms mm/vmalloc.c:3349 [inline]) [<804ea2a4>] (_vm_unmap_aliases) from [<804ee0ec>] (vfree+0x16c/0x210 mm/vmalloc.c:3428) r10:83016170 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:85603140 r4:00000000 [<804edf80>] (vfree) from [<80559038>] (execmem_free+0x30/0x50 mm/execmem.c:503) r9:83018605 r8:841a1800 r7:00000000 r6:83018600 r5:00001000 r4:7f03f000 [<80559008>] (execmem_free) from [<803c5fa0>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1052) r5:00001000 r4:e02bf000 [<803c5f90>] (bpf_jit_free_exec) from [<803c6380>] (bpf_jit_binary_free kernel/bpf/core.c:1098 [inline]) [<803c5f90>] (bpf_jit_free_exec) from [<803c6380>] (bpf_jit_free+0x68/0xe4 kernel/bpf/core.c:1221) [<803c6318>] (bpf_jit_free) from [<803c7428>] (bpf_prog_free_deferred+0x140/0x158 kernel/bpf/core.c:2898) r5:8583d38c r4:84e4ab80 [<803c72e8>] (bpf_prog_free_deferred) from [<802785a0>] (process_one_work+0x1b4/0x4f4 kernel/workqueue.c:3263) r7:ddde3d80 r6:83018600 r5:8583d38c r4:84e4ab80 [<802783ec>] (process_one_work) from [<802791e8>] (process_scheduled_works kernel/workqueue.c:3346 [inline]) [<802783ec>] (process_one_work) from [<802791e8>] (worker_thread+0x1fc/0x3d8 kernel/workqueue.c:3427) r10:61c88647 r9:841a1800 r8:84e4abac r7:82804d40 r6:ddde3d80 r5:ddde3da0 r4:84e4ab80 [<80278fec>] (worker_thread) from [<8028020c>] (kthread+0x12c/0x280 kernel/kthread.c:463) r10:00000000 r9:84e4ab80 r8:80278fec r7:dfae1e60 r6:84e4a080 r5:841a1800 r4:00000001 [<802800e0>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137) Exception stack(0xdfaa5fb0 to 0xdfaa5ff8) 5fa0: 00000000 00000000 00000000 00000000 5fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 5fe0: 00000000 00000000 00000000 00000000 00000013 00000000 r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802800e0 r4:854fcbc0 INFO: task kworker/1:37:4309 blocked for more than 430 seconds. Not tainted syzkaller #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:kworker/1:37 state:D stack:0 pid:4309 tgid:4309 ppid:2 task_flags:0x4208060 flags:0x00000000 Workqueue: events bpf_prog_free_deferred Call trace: [<81a643fc>] (__schedule) from [<81a65390>] (__schedule_loop kernel/sched/core.c:7011 [inline]) [<81a643fc>] (__schedule) from [<81a65390>] (schedule+0x2c/0x130 kernel/sched/core.c:7026) r10:dfb45d84 r9:00000002 r8:60000113 r7:829171a0 r6:dfb45d8c r5:83316c00 r4:83316c00 [<81a65364>] (schedule) from [<81a65778>] (schedule_preempt_disabled+0x18/0x24 kernel/sched/core.c:7083) r5:83316c00 r4:8291719c [<81a65760>] (schedule_preempt_disabled) from [<81a68328>] (__mutex_lock_common kernel/locking/mutex.c:676 [inline]) [<81a65760>] (schedule_preempt_disabled) from [<81a68328>] (__mutex_lock.constprop.0+0x350/0xa24 kernel/locking/mutex.c:760) [<81a67fd8>] (__mutex_lock.constprop.0) from [<81a68ad0>] (__mutex_lock_slowpath+0x14/0x18 kernel/locking/mutex.c:1049) r10:8280c960 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:dfb45e08 r4:00000000 [<81a68abc>] (__mutex_lock_slowpath) from [<81a68b10>] (mutex_lock+0x3c/0x40 kernel/locking/mutex.c:274) [<81a68ad4>] (mutex_lock) from [<804ea30c>] (_vm_unmap_aliases+0x68/0x240 mm/vmalloc.c:2918) [<804ea2a4>] (_vm_unmap_aliases) from [<804ee0ec>] (vm_reset_perms mm/vmalloc.c:3349 [inline]) [<804ea2a4>] (_vm_unmap_aliases) from [<804ee0ec>] (vfree+0x16c/0x210 mm/vmalloc.c:3428) r10:83016170 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:857a0340 r4:00000000 [<804edf80>] (vfree) from [<80559038>] (execmem_free+0x30/0x50 mm/execmem.c:503) r9:83018605 r8:83316c00 r7:00000000 r6:83018600 r5:00001000 r4:7f05b000 [<80559008>] (execmem_free) from [<803c5fa0>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1052) r5:00001000 r4:ead4f000 [<803c5f90>] (bpf_jit_free_exec) from [<803c6380>] (bpf_jit_binary_free kernel/bpf/core.c:1098 [inline]) [<803c5f90>] (bpf_jit_free_exec) from [<803c6380>] (bpf_jit_free+0x68/0xe4 kernel/bpf/core.c:1221) [<803c6318>] (bpf_jit_free) from [<803c7428>] (bpf_prog_free_deferred+0x140/0x158 kernel/bpf/core.c:2898) r5:8599e78c r4:84c9e580 [<803c72e8>] (bpf_prog_free_deferred) from [<802785a0>] (process_one_work+0x1b4/0x4f4 kernel/workqueue.c:3263) r7:ddde3d80 r6:83018600 r5:8599e78c r4:84c9e580 [<802783ec>] (process_one_work) from [<802791e8>] (process_scheduled_works kernel/workqueue.c:3346 [inline]) [<802783ec>] (process_one_work) from [<802791e8>] (worker_thread+0x1fc/0x3d8 kernel/workqueue.c:3427) r10:61c88647 r9:83316c00 r8:84c9e5ac r7:82804d40 r6:ddde3d80 r5:ddde3da0 r4:84c9e580 [<80278fec>] (worker_thread) from [<8028020c>] (kthread+0x12c/0x280 kernel/kthread.c:463) r10:00000000 r9:84c9e580 r8:80278fec r7:dfb09e60 r6:84c9ed80 r5:83316c00 r4:00000001 [<802800e0>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137) Exception stack(0xdfb45fb0 to 0xdfb45ff8) 5fa0: 00000000 00000000 00000000 00000000 5fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 5fe0: 00000000 00000000 00000000 00000000 00000013 00000000 r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802800e0 r4:856013c0 INFO: task kworker/1:37:4309 is blocked on a mutex likely owned by task kworker/1:48:4332. task:kworker/1:48 state:R running task stack:0 pid:4332 tgid:4332 ppid:2 task_flags:0x4208060 flags:0x00000000 Workqueue: events bpf_prog_free_deferred Call trace: [<81a643fc>] (__schedule) from [<81a657c4>] (preempt_schedule_irq+0x40/0xa8 kernel/sched/core.c:7256) r10:8280c9b4 r9:841a1800 r8:80200c04 r7:dfaa5d54 r6:ffffffff r5:841a1800 r4:00000000 [<81a65784>] (preempt_schedule_irq) from [<80200c24>] (svc_preempt+0x8/0x18) Exception stack(0xdfaa5d20 to 0xdfaa5d68) 5d20: addb3000 ebc85000 00000001 80239bf8 7f00b000 00000001 82acb1c4 82aca5a0 5d40: 7f00b000 ebc85000 8280c9b4 dfaa5d9c dfaa5da0 dfaa5d70 80230af0 80239c10 5d60: 80000113 ffffffff r5:80000113 r4:80239c10 [<80230a8c>] (flush_tlb_kernel_range) from [<804ea0d0>] (__purge_vmap_area_lazy+0x284/0x458 mm/vmalloc.c:2342) r4:82acb1e4 [<804e9e4c>] (__purge_vmap_area_lazy) from [<804ea488>] (_vm_unmap_aliases+0x1e4/0x240 mm/vmalloc.c:2957) r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:dfaa5dc0 r5:dfaa5e08 r4:dfaa5dc0 [<804ea2a4>] (_vm_unmap_aliases) from [<804ee0ec>] (vm_reset_perms mm/vmalloc.c:3349 [inline]) [<804ea2a4>] (_vm_unmap_aliases) from [<804ee0ec>] (vfree+0x16c/0x210 mm/vmalloc.c:3428) r10:83016170 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:85603140 r4:00000000 [<804edf80>] (vfree) from [<80559038>] (execmem_free+0x30/0x50 mm/execmem.c:503) r9:83018605 r8:841a1800 r7:00000000 r6:83018600 r5:00001000 r4:7f03f000 [<80559008>] (execmem_free) from [<803c5fa0>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1052) r5:00001000 r4:e02bf000 [<803c5f90>] (bpf_jit_free_exec) from [<803c6380>] (bpf_jit_binary_free kernel/bpf/core.c:1098 [inline]) [<803c5f90>] (bpf_jit_free_exec) from [<803c6380>] (bpf_jit_free+0x68/0xe4 kernel/bpf/core.c:1221) [<803c6318>] (bpf_jit_free) from [<803c7428>] (bpf_prog_free_deferred+0x140/0x158 kernel/bpf/core.c:2898) r5:8583d38c r4:84e4ab80 [<803c72e8>] (bpf_prog_free_deferred) from [<802785a0>] (process_one_work+0x1b4/0x4f4 kernel/workqueue.c:3263) r7:ddde3d80 r6:83018600 r5:8583d38c r4:84e4ab80 [<802783ec>] (process_one_work) from [<802791e8>] (process_scheduled_works kernel/workqueue.c:3346 [inline]) [<802783ec>] (process_one_work) from [<802791e8>] (worker_thread+0x1fc/0x3d8 kernel/workqueue.c:3427) r10:61c88647 r9:841a1800 r8:84e4abac r7:82804d40 r6:ddde3d80 r5:ddde3da0 r4:84e4ab80 [<80278fec>] (worker_thread) from [<8028020c>] (kthread+0x12c/0x280 kernel/kthread.c:463) r10:00000000 r9:84e4ab80 r8:80278fec r7:dfae1e60 r6:84e4a080 r5:841a1800 r4:00000001 [<802800e0>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137) Exception stack(0xdfaa5fb0 to 0xdfaa5ff8) 5fa0: 00000000 00000000 00000000 00000000 5fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 5fe0: 00000000 00000000 00000000 00000000 00000013 00000000 r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802800e0 r4:854fcbc0 INFO: task kworker/1:43:4322 blocked for more than 430 seconds. Not tainted syzkaller #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:kworker/1:43 state:D stack:0 pid:4322 tgid:4322 ppid:2 task_flags:0x4208060 flags:0x00000000 Workqueue: events bpf_prog_free_deferred Call trace: [<81a643fc>] (__schedule) from [<81a65390>] (__schedule_loop kernel/sched/core.c:7011 [inline]) [<81a643fc>] (__schedule) from [<81a65390>] (schedule+0x2c/0x130 kernel/sched/core.c:7026) r10:dfa39d84 r9:00000002 r8:60000113 r7:829171a0 r6:dfa39d8c r5:841a0c00 r4:841a0c00 [<81a65364>] (schedule) from [<81a65778>] (schedule_preempt_disabled+0x18/0x24 kernel/sched/core.c:7083) r5:841a0c00 r4:8291719c [<81a65760>] (schedule_preempt_disabled) from [<81a68328>] (__mutex_lock_common kernel/locking/mutex.c:676 [inline]) [<81a65760>] (schedule_preempt_disabled) from [<81a68328>] (__mutex_lock.constprop.0+0x350/0xa24 kernel/locking/mutex.c:760) [<81a67fd8>] (__mutex_lock.constprop.0) from [<81a68ad0>] (__mutex_lock_slowpath+0x14/0x18 kernel/locking/mutex.c:1049) r10:8280c960 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:dfa39e08 r4:00000000 [<81a68abc>] (__mutex_lock_slowpath) from [<81a68b10>] (mutex_lock+0x3c/0x40 kernel/locking/mutex.c:274) [<81a68ad4>] (mutex_lock) from [<804ea30c>] (_vm_unmap_aliases+0x68/0x240 mm/vmalloc.c:2918) [<804ea2a4>] (_vm_unmap_aliases) from [<804ee0ec>] (vm_reset_perms mm/vmalloc.c:3349 [inline]) [<804ea2a4>] (_vm_unmap_aliases) from [<804ee0ec>] (vfree+0x16c/0x210 mm/vmalloc.c:3428) r10:83016170 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:85789a00 r4:00000000 [<804edf80>] (vfree) from [<80559038>] (execmem_free+0x30/0x50 mm/execmem.c:503) r9:83018605 r8:841a0c00 r7:00000000 r6:83018600 r5:00001000 r4:7f05d000 [<80559008>] (execmem_free) from [<803c5fa0>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1052) r5:00001000 r4:eae2d000 [<803c5f90>] (bpf_jit_free_exec) from [<803c6380>] (bpf_jit_binary_free kernel/bpf/core.c:1098 [inline]) [<803c5f90>] (bpf_jit_free_exec) from [<803c6380>] (bpf_jit_free+0x68/0xe4 kernel/bpf/core.c:1221) [<803c6318>] (bpf_jit_free) from [<803c7428>] (bpf_prog_free_deferred+0x140/0x158 kernel/bpf/core.c:2898) r5:8599d38c r4:84c9e000 [<803c72e8>] (bpf_prog_free_deferred) from [<802785a0>] (process_one_work+0x1b4/0x4f4 kernel/workqueue.c:3263) r7:ddde3d80 r6:83018600 r5:8599d38c r4:84c9e000 [<802783ec>] (process_one_work) from [<802791e8>] (process_scheduled_works kernel/workqueue.c:3346 [inline]) [<802783ec>] (process_one_work) from [<802791e8>] (worker_thread+0x1fc/0x3d8 kernel/workqueue.c:3427) r10:61c88647 r9:841a0c00 r8:84c9e02c r7:82804d40 r6:ddde3d80 r5:ddde3da0 r4:84c9e000 [<80278fec>] (worker_thread) from [<8028020c>] (kthread+0x12c/0x280 kernel/kthread.c:463) r10:00000000 r9:84c9e000 r8:80278fec r7:dfbd1e60 r6:85407280 r5:841a0c00 r4:00000001 [<802800e0>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137) Exception stack(0xdfa39fb0 to 0xdfa39ff8) 9fa0: 00000000 00000000 00000000 00000000 9fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 9fe0: 00000000 00000000 00000000 00000000 00000013 00000000 r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802800e0 r4:85603180 INFO: task kworker/1:43:4322 is blocked on a mutex likely owned by task kworker/1:48:4332. task:kworker/1:48 state:R running task stack:0 pid:4332 tgid:4332 ppid:2 task_flags:0x4208060 flags:0x00000000 Workqueue: events bpf_prog_free_deferred Call trace: [<81a643fc>] (__schedule) from [<81a657c4>] (preempt_schedule_irq+0x40/0xa8 kernel/sched/core.c:7256) r10:8280c9b4 r9:841a1800 r8:80200c04 r7:dfaa5d54 r6:ffffffff r5:841a1800 r4:00000000 [<81a65784>] (preempt_schedule_irq) from [<80200c24>] (svc_preempt+0x8/0x18) Exception stack(0xdfaa5d20 to 0xdfaa5d68) 5d20: addb3000 ebc85000 00000001 80239bf8 7f00b000 00000001 82acb1c4 82aca5a0 5d40: 7f00b000 ebc85000 8280c9b4 dfaa5d9c dfaa5da0 dfaa5d70 80230af0 80239c10 5d60: 80000113 ffffffff r5:80000113 r4:80239c10 [<80230a8c>] (flush_tlb_kernel_range) from [<804ea0d0>] (__purge_vmap_area_lazy+0x284/0x458 mm/vmalloc.c:2342) r4:82acb1e4 [<804e9e4c>] (__purge_vmap_area_lazy) from [<804ea488>] (_vm_unmap_aliases+0x1e4/0x240 mm/vmalloc.c:2957) r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:dfaa5dc0 r5:dfaa5e08 r4:dfaa5dc0 [<804ea2a4>] (_vm_unmap_aliases) from [<804ee0ec>] (vm_reset_perms mm/vmalloc.c:3349 [inline]) [<804ea2a4>] (_vm_unmap_aliases) from [<804ee0ec>] (vfree+0x16c/0x210 mm/vmalloc.c:3428) r10:83016170 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:85603140 r4:00000000 [<804edf80>] (vfree) from [<80559038>] (execmem_free+0x30/0x50 mm/execmem.c:503) r9:83018605 r8:841a1800 r7:00000000 r6:83018600 r5:00001000 r4:7f03f000 [<80559008>] (execmem_free) from [<803c5fa0>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1052) r5:00001000 r4:e02bf000 [<803c5f90>] (bpf_jit_free_exec) from [<803c6380>] (bpf_jit_binary_free kernel/bpf/core.c:1098 [inline]) [<803c5f90>] (bpf_jit_free_exec) from [<803c6380>] (bpf_jit_free+0x68/0xe4 kernel/bpf/core.c:1221) [<803c6318>] (bpf_jit_free) from [<803c7428>] (bpf_prog_free_deferred+0x140/0x158 kernel/bpf/core.c:2898) r5:8583d38c r4:84e4ab80 [<803c72e8>] (bpf_prog_free_deferred) from [<802785a0>] (process_one_work+0x1b4/0x4f4 kernel/workqueue.c:3263) r7:ddde3d80 r6:83018600 r5:8583d38c r4:84e4ab80 [<802783ec>] (process_one_work) from [<802791e8>] (process_scheduled_works kernel/workqueue.c:3346 [inline]) [<802783ec>] (process_one_work) from [<802791e8>] (worker_thread+0x1fc/0x3d8 kernel/workqueue.c:3427) r10:61c88647 r9:841a1800 r8:84e4abac r7:82804d40 r6:ddde3d80 r5:ddde3da0 r4:84e4ab80 [<80278fec>] (worker_thread) from [<8028020c>] (kthread+0x12c/0x280 kernel/kthread.c:463) r10:00000000 r9:84e4ab80 r8:80278fec r7:dfae1e60 r6:84e4a080 r5:841a1800 r4:00000001 [<802800e0>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137) Exception stack(0xdfaa5fb0 to 0xdfaa5ff8) 5fa0: 00000000 00000000 00000000 00000000 5fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 5fe0: 00000000 00000000 00000000 00000000 00000013 00000000 r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802800e0 r4:854fcbc0 INFO: task kworker/1:54:4343 blocked for more than 430 seconds. Not tainted syzkaller #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:kworker/1:54 state:D stack:0 pid:4343 tgid:4343 ppid:2 task_flags:0x4208060 flags:0x00000000 Workqueue: events bpf_prog_free_deferred Call trace: [<81a643fc>] (__schedule) from [<81a65390>] (__schedule_loop kernel/sched/core.c:7011 [inline]) [<81a643fc>] (__schedule) from [<81a65390>] (schedule+0x2c/0x130 kernel/sched/core.c:7026) r10:dfc41d84 r9:00000002 r8:60000013 r7:829171a0 r6:dfc41d8c r5:8420a400 r4:8420a400 [<81a65364>] (schedule) from [<81a65778>] (schedule_preempt_disabled+0x18/0x24 kernel/sched/core.c:7083) r5:8420a400 r4:8291719c [<81a65760>] (schedule_preempt_disabled) from [<81a68328>] (__mutex_lock_common kernel/locking/mutex.c:676 [inline]) [<81a65760>] (schedule_preempt_disabled) from [<81a68328>] (__mutex_lock.constprop.0+0x350/0xa24 kernel/locking/mutex.c:760) [<81a67fd8>] (__mutex_lock.constprop.0) from [<81a68ad0>] (__mutex_lock_slowpath+0x14/0x18 kernel/locking/mutex.c:1049) r10:8280c960 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:dfc41e08 r4:00000000 [<81a68abc>] (__mutex_lock_slowpath) from [<81a68b10>] (mutex_lock+0x3c/0x40 kernel/locking/mutex.c:274) [<81a68ad4>] (mutex_lock) from [<804ea30c>] (_vm_unmap_aliases+0x68/0x240 mm/vmalloc.c:2918) [<804ea2a4>] (_vm_unmap_aliases) from [<804ee0ec>] (vm_reset_perms mm/vmalloc.c:3349 [inline]) [<804ea2a4>] (_vm_unmap_aliases) from [<804ee0ec>] (vfree+0x16c/0x210 mm/vmalloc.c:3428) r10:83016170 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:856df740 r4:00000000 [<804edf80>] (vfree) from [<80559038>] (execmem_free+0x30/0x50 mm/execmem.c:503) r9:83018605 r8:8420a400 r7:00000000 r6:83018600 r5:00001000 r4:7f049000 [<80559008>] (execmem_free) from [<803c5fa0>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1052) r5:00001000 r4:ea62b000 [<803c5f90>] (bpf_jit_free_exec) from [<803c6380>] (bpf_jit_binary_free kernel/bpf/core.c:1098 [inline]) [<803c5f90>] (bpf_jit_free_exec) from [<803c6380>] (bpf_jit_free+0x68/0xe4 kernel/bpf/core.c:1221) [<803c6318>] (bpf_jit_free) from [<803c7428>] (bpf_prog_free_deferred+0x140/0x158 kernel/bpf/core.c:2898) r5:8599fb8c r4:84171580 [<803c72e8>] (bpf_prog_free_deferred) from [<802785a0>] (process_one_work+0x1b4/0x4f4 kernel/workqueue.c:3263) r7:ddde3d80 r6:83018600 r5:8599fb8c r4:84171580 [<802783ec>] (process_one_work) from [<802791e8>] (process_scheduled_works kernel/workqueue.c:3346 [inline]) [<802783ec>] (process_one_work) from [<802791e8>] (worker_thread+0x1fc/0x3d8 kernel/workqueue.c:3427) r10:61c88647 r9:8420a400 r8:841715ac r7:82804d40 r6:ddde3d80 r5:ddde3da0 r4:84171580 [<80278fec>] (worker_thread) from [<8028020c>] (kthread+0x12c/0x280 kernel/kthread.c:463) r10:00000000 r9:84171580 r8:80278fec r7:dfaa5e60 r6:855b2b00 r5:8420a400 r4:00000001 [<802800e0>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137) Exception stack(0xdfc41fb0 to 0xdfc41ff8) 1fa0: 00000000 00000000 00000000 00000000 1fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 1fe0: 00000000 00000000 00000000 00000000 00000013 00000000 r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802800e0 r4:856012c0 INFO: task kworker/1:54:4343 is blocked on a mutex likely owned by task kworker/1:48:4332. task:kworker/1:48 state:R running task stack:0 pid:4332 tgid:4332 ppid:2 task_flags:0x4208060 flags:0x00000000 Workqueue: events bpf_prog_free_deferred Call trace: [<81a643fc>] (__schedule) from [<81a657c4>] (preempt_schedule_irq+0x40/0xa8 kernel/sched/core.c:7256) r10:8280c9b4 r9:841a1800 r8:80200c04 r7:dfaa5d54 r6:ffffffff r5:841a1800 r4:00000000 [<81a65784>] (preempt_schedule_irq) from [<80200c24>] (svc_preempt+0x8/0x18) Exception stack(0xdfaa5d20 to 0xdfaa5d68) 5d20: addb3000 ebc85000 00000001 80239bf8 7f00b000 00000001 82acb1c4 82aca5a0 5d40: 7f00b000 ebc85000 8280c9b4 dfaa5d9c dfaa5da0 dfaa5d70 80230af0 80239c10 5d60: 80000113 ffffffff r5:80000113 r4:80239c10 [<80230a8c>] (flush_tlb_kernel_range) from [<804ea0d0>] (__purge_vmap_area_lazy+0x284/0x458 mm/vmalloc.c:2342) r4:82acb1e4 [<804e9e4c>] (__purge_vmap_area_lazy) from [<804ea488>] (_vm_unmap_aliases+0x1e4/0x240 mm/vmalloc.c:2957) r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:dfaa5dc0 r5:dfaa5e08 r4:dfaa5dc0 [<804ea2a4>] (_vm_unmap_aliases) from [<804ee0ec>] (vm_reset_perms mm/vmalloc.c:3349 [inline]) [<804ea2a4>] (_vm_unmap_aliases) from [<804ee0ec>] (vfree+0x16c/0x210 mm/vmalloc.c:3428) r10:83016170 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:85603140 r4:00000000 [<804edf80>] (vfree) from [<80559038>] (execmem_free+0x30/0x50 mm/execmem.c:503) r9:83018605 r8:841a1800 r7:00000000 r6:83018600 r5:00001000 r4:7f03f000 [<80559008>] (execmem_free) from [<803c5fa0>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1052) r5:00001000 r4:e02bf000 [<803c5f90>] (bpf_jit_free_exec) from [<803c6380>] (bpf_jit_binary_free kernel/bpf/core.c:1098 [inline]) [<803c5f90>] (bpf_jit_free_exec) from [<803c6380>] (bpf_jit_free+0x68/0xe4 kernel/bpf/core.c:1221) [<803c6318>] (bpf_jit_free) from [<803c7428>] (bpf_prog_free_deferred+0x140/0x158 kernel/bpf/core.c:2898) r5:8583d38c r4:84e4ab80 [<803c72e8>] (bpf_prog_free_deferred) from [<802785a0>] (process_one_work+0x1b4/0x4f4 kernel/workqueue.c:3263) r7:ddde3d80 r6:83018600 r5:8583d38c r4:84e4ab80 [<802783ec>] (process_one_work) from [<802791e8>] (process_scheduled_works kernel/workqueue.c:3346 [inline]) [<802783ec>] (process_one_work) from [<802791e8>] (worker_thread+0x1fc/0x3d8 kernel/workqueue.c:3427) r10:61c88647 r9:841a1800 r8:84e4abac r7:82804d40 r6:ddde3d80 r5:ddde3da0 r4:84e4ab80 [<80278fec>] (worker_thread) from [<8028020c>] (kthread+0x12c/0x280 kernel/kthread.c:463) r10:00000000 r9:84e4ab80 r8:80278fec r7:dfae1e60 r6:84e4a080 r5:841a1800 r4:00000001 [<802800e0>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137) Exception stack(0xdfaa5fb0 to 0xdfaa5ff8) 5fa0: 00000000 00000000 00000000 00000000 5fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 5fe0: 00000000 00000000 00000000 00000000 00000013 00000000 r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802800e0 r4:854fcbc0 INFO: task kworker/1:56:4347 blocked for more than 430 seconds. Not tainted syzkaller #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:kworker/1:56 state:D stack:0 pid:4347 tgid:4347 ppid:2 task_flags:0x4208060 flags:0x00000000 Workqueue: events bpf_prog_free_deferred Call trace: [<81a643fc>] (__schedule) from [<81a65390>] (__schedule_loop kernel/sched/core.c:7011 [inline]) [<81a643fc>] (__schedule) from [<81a65390>] (schedule+0x2c/0x130 kernel/sched/core.c:7026) r10:dfca1d84 r9:00000002 r8:60000113 r7:829171a0 r6:dfca1d8c r5:84208c00 r4:84208c00 [<81a65364>] (schedule) from [<81a65778>] (schedule_preempt_disabled+0x18/0x24 kernel/sched/core.c:7083) r5:84208c00 r4:8291719c [<81a65760>] (schedule_preempt_disabled) from [<81a68328>] (__mutex_lock_common kernel/locking/mutex.c:676 [inline]) [<81a65760>] (schedule_preempt_disabled) from [<81a68328>] (__mutex_lock.constprop.0+0x350/0xa24 kernel/locking/mutex.c:760) [<81a67fd8>] (__mutex_lock.constprop.0) from [<81a68ad0>] (__mutex_lock_slowpath+0x14/0x18 kernel/locking/mutex.c:1049) r10:8280c960 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:dfca1e08 r4:00000000 [<81a68abc>] (__mutex_lock_slowpath) from [<81a68b10>] (mutex_lock+0x3c/0x40 kernel/locking/mutex.c:274) [<81a68ad4>] (mutex_lock) from [<804ea30c>] (_vm_unmap_aliases+0x68/0x240 mm/vmalloc.c:2918) [<804ea2a4>] (_vm_unmap_aliases) from [<804ee0ec>] (vm_reset_perms mm/vmalloc.c:3349 [inline]) [<804ea2a4>] (_vm_unmap_aliases) from [<804ee0ec>] (vfree+0x16c/0x210 mm/vmalloc.c:3428) r10:83016170 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:84e97a00 r4:00000000 [<804edf80>] (vfree) from [<80559038>] (execmem_free+0x30/0x50 mm/execmem.c:503) r9:83018605 r8:84208c00 r7:00000000 r6:83018600 r5:00001000 r4:7f043000 [<80559008>] (execmem_free) from [<803c5fa0>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1052) r5:00001000 r4:e43f5000 [<803c5f90>] (bpf_jit_free_exec) from [<803c6380>] (bpf_jit_binary_free kernel/bpf/core.c:1098 [inline]) [<803c5f90>] (bpf_jit_free_exec) from [<803c6380>] (bpf_jit_free+0x68/0xe4 kernel/bpf/core.c:1221) [<803c6318>] (bpf_jit_free) from [<803c7428>] (bpf_prog_free_deferred+0x140/0x158 kernel/bpf/core.c:2898) r5:8583d78c r4:84954600 [<803c72e8>] (bpf_prog_free_deferred) from [<802785a0>] (process_one_work+0x1b4/0x4f4 kernel/workqueue.c:3263) r7:ddde3d80 r6:83018600 r5:8583d78c r4:84954600 [<802783ec>] (process_one_work) from [<802791e8>] (process_scheduled_works kernel/workqueue.c:3346 [inline]) [<802783ec>] (process_one_work) from [<802791e8>] (worker_thread+0x1fc/0x3d8 kernel/workqueue.c:3427) r10:61c88647 r9:84208c00 r8:8495462c r7:82804d40 r6:ddde3d80 r5:ddde3da0 r4:84954600 [<80278fec>] (worker_thread) from [<8028020c>] (kthread+0x12c/0x280 kernel/kthread.c:463) r10:00000000 r9:84954600 r8:80278fec r7:dfaa5e60 r6:855f9900 r5:84208c00 r4:00000001 [<802800e0>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137) Exception stack(0xdfca1fb0 to 0xdfca1ff8) 1fa0: 00000000 00000000 00000000 00000000 1fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 1fe0: 00000000 00000000 00000000 00000000 00000013 00000000 r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802800e0 r4:85421000 INFO: task kworker/1:56:4347 is blocked on a mutex likely owned by task kworker/1:48:4332. task:kworker/1:48 state:R running task stack:0 pid:4332 tgid:4332 ppid:2 task_flags:0x4208060 flags:0x00000000 Workqueue: events bpf_prog_free_deferred Call trace: [<81a643fc>] (__schedule) from [<81a657c4>] (preempt_schedule_irq+0x40/0xa8 kernel/sched/core.c:7256) r10:8280c9b4 r9:841a1800 r8:80200c04 r7:dfaa5d54 r6:ffffffff r5:841a1800 r4:00000000 [<81a65784>] (preempt_schedule_irq) from [<80200c24>] (svc_preempt+0x8/0x18) Exception stack(0xdfaa5d20 to 0xdfaa5d68) 5d20: addb3000 ebc85000 00000001 80239bf8 7f00b000 00000001 82acb1c4 82aca5a0 5d40: 7f00b000 ebc85000 8280c9b4 dfaa5d9c dfaa5da0 dfaa5d70 80230af0 80239c10 5d60: 80000113 ffffffff r5:80000113 r4:80239c10 [<80230a8c>] (flush_tlb_kernel_range) from [<804ea0d0>] (__purge_vmap_area_lazy+0x284/0x458 mm/vmalloc.c:2342) r4:82acb1e4 [<804e9e4c>] (__purge_vmap_area_lazy) from [<804ea488>] (_vm_unmap_aliases+0x1e4/0x240 mm/vmalloc.c:2957) r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:dfaa5dc0 r5:dfaa5e08 r4:dfaa5dc0 [<804ea2a4>] (_vm_unmap_aliases) from [<804ee0ec>] (vm_reset_perms mm/vmalloc.c:3349 [inline]) [<804ea2a4>] (_vm_unmap_aliases) from [<804ee0ec>] (vfree+0x16c/0x210 mm/vmalloc.c:3428) r10:83016170 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:85603140 r4:00000000 [<804edf80>] (vfree) from [<80559038>] (execmem_free+0x30/0x50 mm/execmem.c:503) r9:83018605 r8:841a1800 r7:00000000 r6:83018600 r5:00001000 r4:7f03f000 [<80559008>] (execmem_free) from [<803c5fa0>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1052) r5:00001000 r4:e02bf000 [<803c5f90>] (bpf_jit_free_exec) from [<803c6380>] (bpf_jit_binary_free kernel/bpf/core.c:1098 [inline]) [<803c5f90>] (bpf_jit_free_exec) from [<803c6380>] (bpf_jit_free+0x68/0xe4 kernel/bpf/core.c:1221) [<803c6318>] (bpf_jit_free) from [<803c7428>] (bpf_prog_free_deferred+0x140/0x158 kernel/bpf/core.c:2898) r5:8583d38c r4:84e4ab80 [<803c72e8>] (bpf_prog_free_deferred) from [<802785a0>] (process_one_work+0x1b4/0x4f4 kernel/workqueue.c:3263) r7:ddde3d80 r6:83018600 r5:8583d38c r4:84e4ab80 [<802783ec>] (process_one_work) from [<802791e8>] (process_scheduled_works kernel/workqueue.c:3346 [inline]) [<802783ec>] (process_one_work) from [<802791e8>] (worker_thread+0x1fc/0x3d8 kernel/workqueue.c:3427) r10:61c88647 r9:841a1800 r8:84e4abac r7:82804d40 r6:ddde3d80 r5:ddde3da0 r4:84e4ab80 [<80278fec>] (worker_thread) from [<8028020c>] (kthread+0x12c/0x280 kernel/kthread.c:463) r10:00000000 r9:84e4ab80 r8:80278fec r7:dfae1e60 r6:84e4a080 r5:841a1800 r4:00000001 [<802800e0>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137) Exception stack(0xdfaa5fb0 to 0xdfaa5ff8) 5fa0: 00000000 00000000 00000000 00000000 5fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 5fe0: 00000000 00000000 00000000 00000000 00000013 00000000 r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802800e0 r4:854fcbc0 INFO: task kworker/1:58:4351 blocked for more than 430 seconds. Not tainted syzkaller #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:kworker/1:58 state:D stack:0 pid:4351 tgid:4351 ppid:2 task_flags:0x4208060 flags:0x00000000 Workqueue: events bpf_prog_free_deferred Call trace: [<81a643fc>] (__schedule) from [<81a65390>] (__schedule_loop kernel/sched/core.c:7011 [inline]) [<81a643fc>] (__schedule) from [<81a65390>] (schedule+0x2c/0x130 kernel/sched/core.c:7026) r10:dfd21d84 r9:00000002 r8:60000113 r7:829171a0 r6:dfd21d8c r5:84c90c00 r4:84c90c00 [<81a65364>] (schedule) from [<81a65778>] (schedule_preempt_disabled+0x18/0x24 kernel/sched/core.c:7083) r5:84c90c00 r4:8291719c [<81a65760>] (schedule_preempt_disabled) from [<81a68328>] (__mutex_lock_common kernel/locking/mutex.c:676 [inline]) [<81a65760>] (schedule_preempt_disabled) from [<81a68328>] (__mutex_lock.constprop.0+0x350/0xa24 kernel/locking/mutex.c:760) [<81a67fd8>] (__mutex_lock.constprop.0) from [<81a68ad0>] (__mutex_lock_slowpath+0x14/0x18 kernel/locking/mutex.c:1049) r10:8280c960 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:dfd21e08 r4:00000000 [<81a68abc>] (__mutex_lock_slowpath) from [<81a68b10>] (mutex_lock+0x3c/0x40 kernel/locking/mutex.c:274) [<81a68ad4>] (mutex_lock) from [<804ea30c>] (_vm_unmap_aliases+0x68/0x240 mm/vmalloc.c:2918) [<804ea2a4>] (_vm_unmap_aliases) from [<804ee0ec>] (vm_reset_perms mm/vmalloc.c:3349 [inline]) [<804ea2a4>] (_vm_unmap_aliases) from [<804ee0ec>] (vfree+0x16c/0x210 mm/vmalloc.c:3428) r10:83016170 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:84e97d40 r4:00000000 [<804edf80>] (vfree) from [<80559038>] (execmem_free+0x30/0x50 mm/execmem.c:503) r9:83018605 r8:84c90c00 r7:00000000 r6:83018600 r5:00001000 r4:7f041000 [<80559008>] (execmem_free) from [<803c5fa0>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1052) r5:00001000 r4:e43a2000 [<803c5f90>] (bpf_jit_free_exec) from [<803c6380>] (bpf_jit_binary_free kernel/bpf/core.c:1098 [inline]) [<803c5f90>] (bpf_jit_free_exec) from [<803c6380>] (bpf_jit_free+0x68/0xe4 kernel/bpf/core.c:1221) [<803c6318>] (bpf_jit_free) from [<803c7428>] (bpf_prog_free_deferred+0x140/0x158 kernel/bpf/core.c:2898) r5:8583ff8c r4:855f9800 [<803c72e8>] (bpf_prog_free_deferred) from [<802785a0>] (process_one_work+0x1b4/0x4f4 kernel/workqueue.c:3263) r7:ddde3d80 r6:83018600 r5:8583ff8c r4:855f9800 [<802783ec>] (process_one_work) from [<802791e8>] (process_scheduled_works kernel/workqueue.c:3346 [inline]) [<802783ec>] (process_one_work) from [<802791e8>] (worker_thread+0x1fc/0x3d8 kernel/workqueue.c:3427) r10:61c88647 r9:84c90c00 r8:855f982c r7:82804d40 r6:ddde3d80 r5:ddde3da0 r4:855f9800 [<80278fec>] (worker_thread) from [<8028020c>] (kthread+0x12c/0x280 kernel/kthread.c:463) r10:00000000 r9:855f9800 r8:80278fec r7:dfcf9e60 r6:855f9200 r5:84c90c00 r4:00000001 [<802800e0>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137) Exception stack(0xdfd21fb0 to 0xdfd21ff8) 1fa0: 00000000 00000000 00000000 00000000 1fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 1fe0: 00000000 00000000 00000000 00000000 00000013 00000000 r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802800e0 r4:85421a40 INFO: task kworker/1:58:4351 is blocked on a mutex likely owned by task kworker/1:48:4332. task:kworker/1:48 state:R running task stack:0 pid:4332 tgid:4332 ppid:2 task_flags:0x4208060 flags:0x00000000 Workqueue: events bpf_prog_free_deferred Call trace: [<81a643fc>] (__schedule) from [<81a657c4>] (preempt_schedule_irq+0x40/0xa8 kernel/sched/core.c:7256) r10:8280c9b4 r9:841a1800 r8:80200c04 r7:dfaa5d54 r6:ffffffff r5:841a1800 r4:00000000 [<81a65784>] (preempt_schedule_irq) from [<80200c24>] (svc_preempt+0x8/0x18) Exception stack(0xdfaa5d20 to 0xdfaa5d68) 5d20: addb3000 ebc85000 00000001 80239bf8 7f00b000 00000001 82acb1c4 82aca5a0 5d40: 7f00b000 ebc85000 8280c9b4 dfaa5d9c dfaa5da0 dfaa5d70 80230af0 80239c10 5d60: 80000113 ffffffff r5:80000113 r4:80239c10 [<80230a8c>] (flush_tlb_kernel_range) from [<804ea0d0>] (__purge_vmap_area_lazy+0x284/0x458 mm/vmalloc.c:2342) r4:82acb1e4 [<804e9e4c>] (__purge_vmap_area_lazy) from [<804ea488>] (_vm_unmap_aliases+0x1e4/0x240 mm/vmalloc.c:2957) r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:dfaa5dc0 r5:dfaa5e08 r4:dfaa5dc0 [<804ea2a4>] (_vm_unmap_aliases) from [<804ee0ec>] (vm_reset_perms mm/vmalloc.c:3349 [inline]) [<804ea2a4>] (_vm_unmap_aliases) from [<804ee0ec>] (vfree+0x16c/0x210 mm/vmalloc.c:3428) r10:83016170 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:85603140 r4:00000000 [<804edf80>] (vfree) from [<80559038>] (execmem_free+0x30/0x50 mm/execmem.c:503) r9:83018605 r8:841a1800 r7:00000000 r6:83018600 r5:00001000 r4:7f03f000 [<80559008>] (execmem_free) from [<803c5fa0>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1052) r5:00001000 r4:e02bf000 [<803c5f90>] (bpf_jit_free_exec) from [<803c6380>] (bpf_jit_binary_free kernel/bpf/core.c:1098 [inline]) [<803c5f90>] (bpf_jit_free_exec) from [<803c6380>] (bpf_jit_free+0x68/0xe4 kernel/bpf/core.c:1221) [<803c6318>] (bpf_jit_free) from [<803c7428>] (bpf_prog_free_deferred+0x140/0x158 kernel/bpf/core.c:2898) r5:8583d38c r4:84e4ab80 [<803c72e8>] (bpf_prog_free_deferred) from [<802785a0>] (process_one_work+0x1b4/0x4f4 kernel/workqueue.c:3263) r7:ddde3d80 r6:83018600 r5:8583d38c r4:84e4ab80 [<802783ec>] (process_one_work) from [<802791e8>] (process_scheduled_works kernel/workqueue.c:3346 [inline]) [<802783ec>] (process_one_work) from [<802791e8>] (worker_thread+0x1fc/0x3d8 kernel/workqueue.c:3427) r10:61c88647 r9:841a1800 r8:84e4abac r7:82804d40 r6:ddde3d80 r5:ddde3da0 r4:84e4ab80 [<80278fec>] (worker_thread) from [<8028020c>] (kthread+0x12c/0x280 kernel/kthread.c:463) r10:00000000 r9:84e4ab80 r8:80278fec r7:dfae1e60 r6:84e4a080 r5:841a1800 r4:00000001 [<802800e0>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137) Exception stack(0xdfaa5fb0 to 0xdfaa5ff8) 5fa0: 00000000 00000000 00000000 00000000 5fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 5fe0: 00000000 00000000 00000000 00000000 00000013 00000000 r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802800e0 r4:854fcbc0 INFO: task kworker/1:59:4354 blocked for more than 430 seconds. Not tainted syzkaller #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:kworker/1:59 state:D stack:0 pid:4354 tgid:4354 ppid:2 task_flags:0x4208060 flags:0x00000000 Workqueue: events bpf_prog_free_deferred Call trace: [<81a643fc>] (__schedule) from [<81a65390>] (__schedule_loop kernel/sched/core.c:7011 [inline]) [<81a643fc>] (__schedule) from [<81a65390>] (schedule+0x2c/0x130 kernel/sched/core.c:7026) r10:df9edd84 r9:00000002 r8:60000013 r7:829171a0 r6:df9edd8c r5:84c92400 r4:84c92400 [<81a65364>] (schedule) from [<81a65778>] (schedule_preempt_disabled+0x18/0x24 kernel/sched/core.c:7083) r5:84c92400 r4:8291719c [<81a65760>] (schedule_preempt_disabled) from [<81a68328>] (__mutex_lock_common kernel/locking/mutex.c:676 [inline]) [<81a65760>] (schedule_preempt_disabled) from [<81a68328>] (__mutex_lock.constprop.0+0x350/0xa24 kernel/locking/mutex.c:760) [<81a67fd8>] (__mutex_lock.constprop.0) from [<81a68ad0>] (__mutex_lock_slowpath+0x14/0x18 kernel/locking/mutex.c:1049) r10:8280c960 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:df9ede08 r4:00000000 [<81a68abc>] (__mutex_lock_slowpath) from [<81a68b10>] (mutex_lock+0x3c/0x40 kernel/locking/mutex.c:274) [<81a68ad4>] (mutex_lock) from [<804ea30c>] (_vm_unmap_aliases+0x68/0x240 mm/vmalloc.c:2918) [<804ea2a4>] (_vm_unmap_aliases) from [<804ee0ec>] (vm_reset_perms mm/vmalloc.c:3349 [inline]) [<804ea2a4>] (_vm_unmap_aliases) from [<804ee0ec>] (vfree+0x16c/0x210 mm/vmalloc.c:3428) r10:83016170 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:856dfec0 r4:00000000 [<804edf80>] (vfree) from [<80559038>] (execmem_free+0x30/0x50 mm/execmem.c:503) r9:83018605 r8:84c92400 r7:00000000 r6:83018600 r5:00001000 r4:7f04d000 [<80559008>] (execmem_free) from [<803c5fa0>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1052) r5:00001000 r4:ea811000 [<803c5f90>] (bpf_jit_free_exec) from [<803c6380>] (bpf_jit_binary_free kernel/bpf/core.c:1098 [inline]) [<803c5f90>] (bpf_jit_free_exec) from [<803c6380>] (bpf_jit_free+0x68/0xe4 kernel/bpf/core.c:1221) [<803c6318>] (bpf_jit_free) from [<803c7428>] (bpf_prog_free_deferred+0x140/0x158 kernel/bpf/core.c:2898) r5:8599c78c r4:855f9700 [<803c72e8>] (bpf_prog_free_deferred) from [<802785a0>] (process_one_work+0x1b4/0x4f4 kernel/workqueue.c:3263) r7:ddde3d80 r6:83018600 r5:8599c78c r4:855f9700 [<802783ec>] (process_one_work) from [<802791e8>] (process_scheduled_works kernel/workqueue.c:3346 [inline]) [<802783ec>] (process_one_work) from [<802791e8>] (worker_thread+0x1fc/0x3d8 kernel/workqueue.c:3427) r10:61c88647 r9:84c92400 r8:855f972c r7:82804d40 r6:ddde3d80 r5:ddde3da0 r4:855f9700 [<80278fec>] (worker_thread) from [<8028020c>] (kthread+0x12c/0x280 kernel/kthread.c:463) r10:00000000 r9:855f9700 r8:80278fec r7:dfd21e60 r6:855f9f00 r5:84c92400 r4:00000001 [<802800e0>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137) Exception stack(0xdf9edfb0 to 0xdf9edff8) dfa0: 00000000 00000000 00000000 00000000 dfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 dfe0: 00000000 00000000 00000000 00000000 00000013 00000000 r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802800e0 r4:85421f40 INFO: task kworker/1:59:4354 is blocked on a mutex likely owned by task kworker/1:48:4332. task:kworker/1:48 state:R running task stack:0 pid:4332 tgid:4332 ppid:2 task_flags:0x4208060 flags:0x00000000 Workqueue: events bpf_prog_free_deferred Call trace: [<81a643fc>] (__schedule) from [<81a657c4>] (preempt_schedule_irq+0x40/0xa8 kernel/sched/core.c:7256) r10:8280c9b4 r9:841a1800 r8:80200c04 r7:dfaa5d54 r6:ffffffff r5:841a1800 r4:00000000 [<81a65784>] (preempt_schedule_irq) from [<80200c24>] (svc_preempt+0x8/0x18) Exception stack(0xdfaa5d20 to 0xdfaa5d68) 5d20: addb3000 ebc85000 00000001 80239bf8 7f00b000 00000001 82acb1c4 82aca5a0 5d40: 7f00b000 ebc85000 8280c9b4 dfaa5d9c dfaa5da0 dfaa5d70 80230af0 80239c10 5d60: 80000113 ffffffff r5:80000113 r4:80239c10 [<80230a8c>] (flush_tlb_kernel_range) from [<804ea0d0>] (__purge_vmap_area_lazy+0x284/0x458 mm/vmalloc.c:2342) r4:82acb1e4 [<804e9e4c>] (__purge_vmap_area_lazy) from [<804ea488>] (_vm_unmap_aliases+0x1e4/0x240 mm/vmalloc.c:2957) r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:dfaa5dc0 r5:dfaa5e08 r4:dfaa5dc0 [<804ea2a4>] (_vm_unmap_aliases) from [<804ee0ec>] (vm_reset_perms mm/vmalloc.c:3349 [inline]) [<804ea2a4>] (_vm_unmap_aliases) from [<804ee0ec>] (vfree+0x16c/0x210 mm/vmalloc.c:3428) r10:83016170 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:85603140 r4:00000000 [<804edf80>] (vfree) from [<80559038>] (execmem_free+0x30/0x50 mm/execmem.c:503) r9:83018605 r8:841a1800 r7:00000000 r6:83018600 r5:00001000 r4:7f03f000 [<80559008>] (execmem_free) from [<803c5fa0>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1052) r5:00001000 r4:e02bf000 [<803c5f90>] (bpf_jit_free_exec) from [<803c6380>] (bpf_jit_binary_free kernel/bpf/core.c:1098 [inline]) [<803c5f90>] (bpf_jit_free_exec) from [<803c6380>] (bpf_jit_free+0x68/0xe4 kernel/bpf/core.c:1221) [<803c6318>] (bpf_jit_free) from [<803c7428>] (bpf_prog_free_deferred+0x140/0x158 kernel/bpf/core.c:2898) r5:8583d38c r4:84e4ab80 [<803c72e8>] (bpf_prog_free_deferred) from [<802785a0>] (process_one_work+0x1b4/0x4f4 kernel/workqueue.c:3263) r7:ddde3d80 r6:83018600 r5:8583d38c r4:84e4ab80 [<802783ec>] (process_one_work) from [<802791e8>] (process_scheduled_works kernel/workqueue.c:3346 [inline]) [<802783ec>] (process_one_work) from [<802791e8>] (worker_thread+0x1fc/0x3d8 kernel/workqueue.c:3427) r10:61c88647 r9:841a1800 r8:84e4abac r7:82804d40 r6:ddde3d80 r5:ddde3da0 r4:84e4ab80 [<80278fec>] (worker_thread) from [<8028020c>] (kthread+0x12c/0x280 kernel/kthread.c:463) r10:00000000 r9:84e4ab80 r8:80278fec r7:dfae1e60 r6:84e4a080 r5:841a1800 r4:00000001 [<802800e0>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137) Exception stack(0xdfaa5fb0 to 0xdfaa5ff8) 5fa0: 00000000 00000000 00000000 00000000 5fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 5fe0: 00000000 00000000 00000000 00000000 00000013 00000000 r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802800e0 r4:854fcbc0 Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings INFO: task kworker/1:60:4356 blocked for more than 430 seconds. Not tainted syzkaller #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:kworker/1:60 state:D stack:0 pid:4356 tgid:4356 ppid:2 task_flags:0x4208060 flags:0x00000000 Workqueue: events bpf_prog_free_deferred Call trace: [<81a643fc>] (__schedule) from [<81a65390>] (__schedule_loop kernel/sched/core.c:7011 [inline]) [<81a643fc>] (__schedule) from [<81a65390>] (schedule+0x2c/0x130 kernel/sched/core.c:7026) r10:dfa01d84 r9:00000002 r8:60000113 r7:829171a0 r6:dfa01d8c r5:84c93000 r4:84c93000 [<81a65364>] (schedule) from [<81a65778>] (schedule_preempt_disabled+0x18/0x24 kernel/sched/core.c:7083) r5:84c93000 r4:8291719c [<81a65760>] (schedule_preempt_disabled) from [<81a68328>] (__mutex_lock_common kernel/locking/mutex.c:676 [inline]) [<81a65760>] (schedule_preempt_disabled) from [<81a68328>] (__mutex_lock.constprop.0+0x350/0xa24 kernel/locking/mutex.c:760) [<81a67fd8>] (__mutex_lock.constprop.0) from [<81a68ad0>] (__mutex_lock_slowpath+0x14/0x18 kernel/locking/mutex.c:1049) r10:8280c960 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:dfa01e08 r4:00000000 [<81a68abc>] (__mutex_lock_slowpath) from [<81a68b10>] (mutex_lock+0x3c/0x40 kernel/locking/mutex.c:274) [<81a68ad4>] (mutex_lock) from [<804ea30c>] (_vm_unmap_aliases+0x68/0x240 mm/vmalloc.c:2918) [<804ea2a4>] (_vm_unmap_aliases) from [<804ee0ec>] (vm_reset_perms mm/vmalloc.c:3349 [inline]) [<804ea2a4>] (_vm_unmap_aliases) from [<804ee0ec>] (vfree+0x16c/0x210 mm/vmalloc.c:3428) r10:83016170 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:857a0e00 r4:00000000 [<804edf80>] (vfree) from [<80559038>] (execmem_free+0x30/0x50 mm/execmem.c:503) r9:83018605 r8:84c93000 r7:00000000 r6:83018600 r5:00001000 r4:7f059000 [<80559008>] (execmem_free) from [<803c5fa0>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1052) r5:00001000 r4:eacfb000 [<803c5f90>] (bpf_jit_free_exec) from [<803c6380>] (bpf_jit_binary_free kernel/bpf/core.c:1098 [inline]) [<803c5f90>] (bpf_jit_free_exec) from [<803c6380>] (bpf_jit_free+0x68/0xe4 kernel/bpf/core.c:1221) [<803c6318>] (bpf_jit_free) from [<803c7428>] (bpf_prog_free_deferred+0x140/0x158 kernel/bpf/core.c:2898) r5:8599eb8c r4:855f9380 [<803c72e8>] (bpf_prog_free_deferred) from [<802785a0>] (process_one_work+0x1b4/0x4f4 kernel/workqueue.c:3263) r7:ddde3d80 r6:83018600 r5:8599eb8c r4:855f9380 [<802783ec>] (process_one_work) from [<802791e8>] (process_scheduled_works kernel/workqueue.c:3346 [inline]) [<802783ec>] (process_one_work) from [<802791e8>] (worker_thread+0x1fc/0x3d8 kernel/workqueue.c:3427) r10:61c88647 r9:84c93000 r8:855f93ac r7:82804d40 r6:ddde3d80 r5:ddde3da0 r4:855f9380 [<80278fec>] (worker_thread) from [<8028020c>] (kthread+0x12c/0x280 kernel/kthread.c:463) r10:00000000 r9:855f9380 r8:80278fec r7:df9ede60 r6:855f9500 r5:84c93000 r4:00000001 [<802800e0>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137) Exception stack(0xdfa01fb0 to 0xdfa01ff8) 1fa0: 00000000 00000000 00000000 00000000 1fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 1fe0: 00000000 00000000 00000000 00000000 00000013 00000000 r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802800e0 r4:85421480 INFO: task kworker/1:60:4356 is blocked on a mutex likely owned by task kworker/1:48:4332. task:kworker/1:48 state:R running task stack:0 pid:4332 tgid:4332 ppid:2 task_flags:0x4208060 flags:0x00000000 Workqueue: events bpf_prog_free_deferred Call trace: [<81a643fc>] (__schedule) from [<81a657c4>] (preempt_schedule_irq+0x40/0xa8 kernel/sched/core.c:7256) r10:8280c9b4 r9:841a1800 r8:80200c04 r7:dfaa5d54 r6:ffffffff r5:841a1800 r4:00000000 [<81a65784>] (preempt_schedule_irq) from [<80200c24>] (svc_preempt+0x8/0x18) Exception stack(0xdfaa5d20 to 0xdfaa5d68) 5d20: addb3000 ebc85000 00000001 80239bf8 7f00b000 00000001 82acb1c4 82aca5a0 5d40: 7f00b000 ebc85000 8280c9b4 dfaa5d9c dfaa5da0 dfaa5d70 80230af0 80239c10 5d60: 80000113 ffffffff r5:80000113 r4:80239c10 [<80230a8c>] (flush_tlb_kernel_range) from [<804ea0d0>] (__purge_vmap_area_lazy+0x284/0x458 mm/vmalloc.c:2342) r4:82acb1e4 [<804e9e4c>] (__purge_vmap_area_lazy) from [<804ea488>] (_vm_unmap_aliases+0x1e4/0x240 mm/vmalloc.c:2957) r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:dfaa5dc0 r5:dfaa5e08 r4:dfaa5dc0 [<804ea2a4>] (_vm_unmap_aliases) from [<804ee0ec>] (vm_reset_perms mm/vmalloc.c:3349 [inline]) [<804ea2a4>] (_vm_unmap_aliases) from [<804ee0ec>] (vfree+0x16c/0x210 mm/vmalloc.c:3428) r10:83016170 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:85603140 r4:00000000 [<804edf80>] (vfree) from [<80559038>] (execmem_free+0x30/0x50 mm/execmem.c:503) r9:83018605 r8:841a1800 r7:00000000 r6:83018600 r5:00001000 r4:7f03f000 [<80559008>] (execmem_free) from [<803c5fa0>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1052) r5:00001000 r4:e02bf000 [<803c5f90>] (bpf_jit_free_exec) from [<803c6380>] (bpf_jit_binary_free kernel/bpf/core.c:1098 [inline]) [<803c5f90>] (bpf_jit_free_exec) from [<803c6380>] (bpf_jit_free+0x68/0xe4 kernel/bpf/core.c:1221) [<803c6318>] (bpf_jit_free) from [<803c7428>] (bpf_prog_free_deferred+0x140/0x158 kernel/bpf/core.c:2898) r5:8583d38c r4:84e4ab80 [<803c72e8>] (bpf_prog_free_deferred) from [<802785a0>] (process_one_work+0x1b4/0x4f4 kernel/workqueue.c:3263) r7:ddde3d80 r6:83018600 r5:8583d38c r4:84e4ab80 [<802783ec>] (process_one_work) from [<802791e8>] (process_scheduled_works kernel/workqueue.c:3346 [inline]) [<802783ec>] (process_one_work) from [<802791e8>] (worker_thread+0x1fc/0x3d8 kernel/workqueue.c:3427) r10:61c88647 r9:841a1800 r8:84e4abac r7:82804d40 r6:ddde3d80 r5:ddde3da0 r4:84e4ab80 [<80278fec>] (worker_thread) from [<8028020c>] (kthread+0x12c/0x280 kernel/kthread.c:463) r10:00000000 r9:84e4ab80 r8:80278fec r7:dfae1e60 r6:84e4a080 r5:841a1800 r4:00000001 [<802800e0>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137) Exception stack(0xdfaa5fb0 to 0xdfaa5ff8) 5fa0: 00000000 00000000 00000000 00000000 5fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 5fe0: 00000000 00000000 00000000 00000000 00000013 00000000 r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802800e0 r4:854fcbc0 Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings INFO: task kworker/1:61:4358 blocked for more than 430 seconds. Not tainted syzkaller #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:kworker/1:61 state:D stack:0 pid:4358 tgid:4358 ppid:2 task_flags:0x4208060 flags:0x00000000 Workqueue: events bpf_prog_free_deferred Call trace: [<81a643fc>] (__schedule) from [<81a65390>] (__schedule_loop kernel/sched/core.c:7011 [inline]) [<81a643fc>] (__schedule) from [<81a65390>] (schedule+0x2c/0x130 kernel/sched/core.c:7026) r10:dfb11d84 r9:00000002 r8:60000013 r7:829171a0 r6:dfb11d8c r5:84c93c00 r4:84c93c00 [<81a65364>] (schedule) from [<81a65778>] (schedule_preempt_disabled+0x18/0x24 kernel/sched/core.c:7083) r5:84c93c00 r4:8291719c [<81a65760>] (schedule_preempt_disabled) from [<81a68328>] (__mutex_lock_common kernel/locking/mutex.c:676 [inline]) [<81a65760>] (schedule_preempt_disabled) from [<81a68328>] (__mutex_lock.constprop.0+0x350/0xa24 kernel/locking/mutex.c:760) [<81a67fd8>] (__mutex_lock.constprop.0) from [<81a68ad0>] (__mutex_lock_slowpath+0x14/0x18 kernel/locking/mutex.c:1049) r10:8280c960 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:dfb11e08 r4:00000000 [<81a68abc>] (__mutex_lock_slowpath) from [<81a68b10>] (mutex_lock+0x3c/0x40 kernel/locking/mutex.c:274) [<81a68ad4>] (mutex_lock) from [<804ea30c>] (_vm_unmap_aliases+0x68/0x240 mm/vmalloc.c:2918) [<804ea2a4>] (_vm_unmap_aliases) from [<804ee0ec>] (vm_reset_perms mm/vmalloc.c:3349 [inline]) [<804ea2a4>] (_vm_unmap_aliases) from [<804ee0ec>] (vfree+0x16c/0x210 mm/vmalloc.c:3428) r10:83016170 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:84e97340 r4:00000000 [<804edf80>] (vfree) from [<80559038>] (execmem_free+0x30/0x50 mm/execmem.c:503) r9:83018605 r8:84c93c00 r7:00000000 r6:83018600 r5:00001000 r4:7f045000 [<80559008>] (execmem_free) from [<803c5fa0>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1052) r5:00001000 r4:ea49b000 [<803c5f90>] (bpf_jit_free_exec) from [<803c6380>] (bpf_jit_binary_free kernel/bpf/core.c:1098 [inline]) [<803c5f90>] (bpf_jit_free_exec) from [<803c6380>] (bpf_jit_free+0x68/0xe4 kernel/bpf/core.c:1221) [<803c6318>] (bpf_jit_free) from [<803c7428>] (bpf_prog_free_deferred+0x140/0x158 kernel/bpf/core.c:2898) r5:8599f38c r4:855f9d00 [<803c72e8>] (bpf_prog_free_deferred) from [<802785a0>] (process_one_work+0x1b4/0x4f4 kernel/workqueue.c:3263) r7:ddde3d80 r6:83018600 r5:8599f38c r4:855f9d00 [<802783ec>] (process_one_work) from [<802791e8>] (process_scheduled_works kernel/workqueue.c:3346 [inline]) [<802783ec>] (process_one_work) from [<802791e8>] (worker_thread+0x1fc/0x3d8 kernel/workqueue.c:3427) r10:61c88647 r9:84c93c00 r8:855f9d2c r7:82804d40 r6:ddde3d80 r5:ddde3da0 r4:855f9d00 [<80278fec>] (worker_thread) from [<8028020c>] (kthread+0x12c/0x280 kernel/kthread.c:463) r10:00000000 r9:855f9d00 r8:80278fec r7:df9ede60 r6:855f9680 r5:84c93c00 r4:00000001 [<802800e0>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137) Exception stack(0xdfb11fb0 to 0xdfb11ff8) 1fa0: 00000000 00000000 00000000 00000000 1fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 1fe0: 00000000 00000000 00000000 00000000 00000013 00000000 r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802800e0 r4:856df500 INFO: task kworker/1:61:4358 is blocked on a mutex likely owned by task kworker/1:48:4332. task:kworker/1:48 state:R running task stack:0 pid:4332 tgid:4332 ppid:2 task_flags:0x4208060 flags:0x00000000 Workqueue: events bpf_prog_free_deferred Call trace: [<81a643fc>] (__schedule) from [<81a657c4>] (preempt_schedule_irq+0x40/0xa8 kernel/sched/core.c:7256) r10:8280c9b4 r9:841a1800 r8:80200c04 r7:dfaa5d54 r6:ffffffff r5:841a1800 r4:00000000 [<81a65784>] (preempt_schedule_irq) from [<80200c24>] (svc_preempt+0x8/0x18) Exception stack(0xdfaa5d20 to 0xdfaa5d68) 5d20: addb3000 ebc85000 00000001 80239bf8 7f00b000 00000001 82acb1c4 82aca5a0 5d40: 7f00b000 ebc85000 8280c9b4 dfaa5d9c dfaa5da0 dfaa5d70 80230af0 80239c10 5d60: 80000113 ffffffff r5:80000113 r4:80239c10 [<80230a8c>] (flush_tlb_kernel_range) from [<804ea0d0>] (__purge_vmap_area_lazy+0x284/0x458 mm/vmalloc.c:2342) r4:82acb1e4 [<804e9e4c>] (__purge_vmap_area_lazy) from [<804ea488>] (_vm_unmap_aliases+0x1e4/0x240 mm/vmalloc.c:2957) r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:dfaa5dc0 r5:dfaa5e08 r4:dfaa5dc0 [<804ea2a4>] (_vm_unmap_aliases) from [<804ee0ec>] (vm_reset_perms mm/vmalloc.c:3349 [inline]) [<804ea2a4>] (_vm_unmap_aliases) from [<804ee0ec>] (vfree+0x16c/0x210 mm/vmalloc.c:3428) r10:83016170 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:85603140 r4:00000000 [<804edf80>] (vfree) from [<80559038>] (execmem_free+0x30/0x50 mm/execmem.c:503) r9:83018605 r8:841a1800 r7:00000000 r6:83018600 r5:00001000 r4:7f03f000 [<80559008>] (execmem_free) from [<803c5fa0>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1052) r5:00001000 r4:e02bf000 [<803c5f90>] (bpf_jit_free_exec) from [<803c6380>] (bpf_jit_binary_free kernel/bpf/core.c:1098 [inline]) [<803c5f90>] (bpf_jit_free_exec) from [<803c6380>] (bpf_jit_free+0x68/0xe4 kernel/bpf/core.c:1221) [<803c6318>] (bpf_jit_free) from [<803c7428>] (bpf_prog_free_deferred+0x140/0x158 kernel/bpf/core.c:2898) r5:8583d38c r4:84e4ab80 [<803c72e8>] (bpf_prog_free_deferred) from [<802785a0>] (process_one_work+0x1b4/0x4f4 kernel/workqueue.c:3263) r7:ddde3d80 r6:83018600 r5:8583d38c r4:84e4ab80 [<802783ec>] (process_one_work) from [<802791e8>] (process_scheduled_works kernel/workqueue.c:3346 [inline]) [<802783ec>] (process_one_work) from [<802791e8>] (worker_thread+0x1fc/0x3d8 kernel/workqueue.c:3427) r10:61c88647 r9:841a1800 r8:84e4abac r7:82804d40 r6:ddde3d80 r5:ddde3da0 r4:84e4ab80 [<80278fec>] (worker_thread) from [<8028020c>] (kthread+0x12c/0x280 kernel/kthread.c:463) r10:00000000 r9:84e4ab80 r8:80278fec r7:dfae1e60 r6:84e4a080 r5:841a1800 r4:00000001 [<802800e0>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137) Exception stack(0xdfaa5fb0 to 0xdfaa5ff8) 5fa0: 00000000 00000000 00000000 00000000 5fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 5fe0: 00000000 00000000 00000000 00000000 00000013 00000000 r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802800e0 r4:854fcbc0 Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings INFO: task kworker/1:62:4359 blocked for more than 430 seconds. Not tainted syzkaller #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:kworker/1:62 state:D stack:0 pid:4359 tgid:4359 ppid:2 task_flags:0x4208060 flags:0x00000000 Workqueue: events bpf_prog_free_deferred Call trace: [<81a643fc>] (__schedule) from [<81a65390>] (__schedule_loop kernel/sched/core.c:7011 [inline]) [<81a643fc>] (__schedule) from [<81a65390>] (schedule+0x2c/0x130 kernel/sched/core.c:7026) r10:dfa51d84 r9:00000002 r8:60000113 r7:829171a0 r6:dfa51d8c r5:84c94800 r4:84c94800 [<81a65364>] (schedule) from [<81a65778>] (schedule_preempt_disabled+0x18/0x24 kernel/sched/core.c:7083) r5:84c94800 r4:8291719c [<81a65760>] (schedule_preempt_disabled) from [<81a68328>] (__mutex_lock_common kernel/locking/mutex.c:676 [inline]) [<81a65760>] (schedule_preempt_disabled) from [<81a68328>] (__mutex_lock.constprop.0+0x350/0xa24 kernel/locking/mutex.c:760) [<81a67fd8>] (__mutex_lock.constprop.0) from [<81a68ad0>] (__mutex_lock_slowpath+0x14/0x18 kernel/locking/mutex.c:1049) r10:8280c960 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:dfa51e08 r4:00000000 [<81a68abc>] (__mutex_lock_slowpath) from [<81a68b10>] (mutex_lock+0x3c/0x40 kernel/locking/mutex.c:274) [<81a68ad4>] (mutex_lock) from [<804ea30c>] (_vm_unmap_aliases+0x68/0x240 mm/vmalloc.c:2918) [<804ea2a4>] (_vm_unmap_aliases) from [<804ee0ec>] (vm_reset_perms mm/vmalloc.c:3349 [inline]) [<804ea2a4>] (_vm_unmap_aliases) from [<804ee0ec>] (vfree+0x16c/0x210 mm/vmalloc.c:3428) r10:83016170 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:84e97940 r4:00000000 [<804edf80>] (vfree) from [<80559038>] (execmem_free+0x30/0x50 mm/execmem.c:503) r9:83018605 r8:84c94800 r7:00000000 r6:83018600 r5:00001000 r4:7f047000 [<80559008>] (execmem_free) from [<803c5fa0>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1052) r5:00001000 r4:ea54b000 [<803c5f90>] (bpf_jit_free_exec) from [<803c6380>] (bpf_jit_binary_free kernel/bpf/core.c:1098 [inline]) [<803c5f90>] (bpf_jit_free_exec) from [<803c6380>] (bpf_jit_free+0x68/0xe4 kernel/bpf/core.c:1221) [<803c6318>] (bpf_jit_free) from [<803c7428>] (bpf_prog_free_deferred+0x140/0x158 kernel/bpf/core.c:2898) r5:8599d78c r4:855b2e00 [<803c72e8>] (bpf_prog_free_deferred) from [<802785a0>] (process_one_work+0x1b4/0x4f4 kernel/workqueue.c:3263) r7:ddde3d80 r6:83018600 r5:8599d78c r4:855b2e00 [<802783ec>] (process_one_work) from [<802791e8>] (process_scheduled_works kernel/workqueue.c:3346 [inline]) [<802783ec>] (process_one_work) from [<802791e8>] (worker_thread+0x1fc/0x3d8 kernel/workqueue.c:3427) r10:61c88647 r9:84c94800 r8:855b2e2c r7:82804d40 r6:ddde3d80 r5:ddde3da0 r4:855b2e00 [<80278fec>] (worker_thread) from [<8028020c>] (kthread+0x12c/0x280 kernel/kthread.c:463) r10:00000000 r9:855b2e00 r8:80278fec r7:df9ede60 r6:84831880 r5:84c94800 r4:00000001 [<802800e0>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137) Exception stack(0xdfa51fb0 to 0xdfa51ff8) 1fa0: 00000000 00000000 00000000 00000000 1fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 1fe0: 00000000 00000000 00000000 00000000 00000013 00000000 r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802800e0 r4:856df100 INFO: task kworker/1:62:4359 is blocked on a mutex likely owned by task kworker/1:48:4332. task:kworker/1:48 state:R running task stack:0 pid:4332 tgid:4332 ppid:2 task_flags:0x4208060 flags:0x00000000 Workqueue: events bpf_prog_free_deferred Call trace: [<81a643fc>] (__schedule) from [<81a657c4>] (preempt_schedule_irq+0x40/0xa8 kernel/sched/core.c:7256) r10:8280c9b4 r9:841a1800 r8:80200c04 r7:dfaa5d54 r6:ffffffff r5:841a1800 r4:00000000 [<81a65784>] (preempt_schedule_irq) from [<80200c24>] (svc_preempt+0x8/0x18) Exception stack(0xdfaa5d20 to 0xdfaa5d68) 5d20: addb3000 ebc85000 00000001 80239bf8 7f00b000 00000001 82acb1c4 82aca5a0 5d40: 7f00b000 ebc85000 8280c9b4 dfaa5d9c dfaa5da0 dfaa5d70 80230af0 80239c10 5d60: 80000113 ffffffff r5:80000113 r4:80239c10 [<80230a8c>] (flush_tlb_kernel_range) from [<804ea0d0>] (__purge_vmap_area_lazy+0x284/0x458 mm/vmalloc.c:2342) r4:82acb1e4 [<804e9e4c>] (__purge_vmap_area_lazy) from [<804ea488>] (_vm_unmap_aliases+0x1e4/0x240 mm/vmalloc.c:2957) r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:dfaa5dc0 r5:dfaa5e08 r4:dfaa5dc0 [<804ea2a4>] (_vm_unmap_aliases) from [<804ee0ec>] (vm_reset_perms mm/vmalloc.c:3349 [inline]) [<804ea2a4>] (_vm_unmap_aliases) from [<804ee0ec>] (vfree+0x16c/0x210 mm/vmalloc.c:3428) r10:83016170 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:85603140 r4:00000000 [<804edf80>] (vfree) from [<80559038>] (execmem_free+0x30/0x50 mm/execmem.c:503) r9:83018605 r8:841a1800 r7:00000000 r6:83018600 r5:00001000 r4:7f03f000 [<80559008>] (execmem_free) from [<803c5fa0>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1052) r5:00001000 r4:e02bf000 [<803c5f90>] (bpf_jit_free_exec) from [<803c6380>] (bpf_jit_binary_free kernel/bpf/core.c:1098 [inline]) [<803c5f90>] (bpf_jit_free_exec) from [<803c6380>] (bpf_jit_free+0x68/0xe4 kernel/bpf/core.c:1221) [<803c6318>] (bpf_jit_free) from [<803c7428>] (bpf_prog_free_deferred+0x140/0x158 kernel/bpf/core.c:2898) r5:8583d38c r4:84e4ab80 [<803c72e8>] (bpf_prog_free_deferred) from [<802785a0>] (process_one_work+0x1b4/0x4f4 kernel/workqueue.c:3263) r7:ddde3d80 r6:83018600 r5:8583d38c r4:84e4ab80 [<802783ec>] (process_one_work) from [<802791e8>] (process_scheduled_works kernel/workqueue.c:3346 [inline]) [<802783ec>] (process_one_work) from [<802791e8>] (worker_thread+0x1fc/0x3d8 kernel/workqueue.c:3427) r10:61c88647 r9:841a1800 r8:84e4abac r7:82804d40 r6:ddde3d80 r5:ddde3da0 r4:84e4ab80 [<80278fec>] (worker_thread) from [<8028020c>] (kthread+0x12c/0x280 kernel/kthread.c:463) r10:00000000 r9:84e4ab80 r8:80278fec r7:dfae1e60 r6:84e4a080 r5:841a1800 r4:00000001 [<802800e0>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137) Exception stack(0xdfaa5fb0 to 0xdfaa5ff8) 5fa0: 00000000 00000000 00000000 00000000 5fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 5fe0: 00000000 00000000 00000000 00000000 00000013 00000000 r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802800e0 r4:854fcbc0 Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings INFO: task kworker/1:63:4362 blocked for more than 430 seconds. Not tainted syzkaller #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:kworker/1:63 state:D stack:0 pid:4362 tgid:4362 ppid:2 task_flags:0x4208060 flags:0x00000000 Workqueue: events bpf_prog_free_deferred Call trace: [<81a643fc>] (__schedule) from [<81a65390>] (__schedule_loop kernel/sched/core.c:7011 [inline]) [<81a643fc>] (__schedule) from [<81a65390>] (schedule+0x2c/0x130 kernel/sched/core.c:7026) r10:dfa91d84 r9:00000002 r8:60000113 r7:829171a0 r6:dfa91d8c r5:84c96c00 r4:84c96c00 [<81a65364>] (schedule) from [<81a65778>] (schedule_preempt_disabled+0x18/0x24 kernel/sched/core.c:7083) r5:84c96c00 r4:8291719c [<81a65760>] (schedule_preempt_disabled) from [<81a68328>] (__mutex_lock_common kernel/locking/mutex.c:676 [inline]) [<81a65760>] (schedule_preempt_disabled) from [<81a68328>] (__mutex_lock.constprop.0+0x350/0xa24 kernel/locking/mutex.c:760) [<81a67fd8>] (__mutex_lock.constprop.0) from [<81a68ad0>] (__mutex_lock_slowpath+0x14/0x18 kernel/locking/mutex.c:1049) r10:8280c960 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:dfa91e08 r4:00000000 [<81a68abc>] (__mutex_lock_slowpath) from [<81a68b10>] (mutex_lock+0x3c/0x40 kernel/locking/mutex.c:274) [<81a68ad4>] (mutex_lock) from [<804ea30c>] (_vm_unmap_aliases+0x68/0x240 mm/vmalloc.c:2918) [<804ea2a4>] (_vm_unmap_aliases) from [<804ee0ec>] (vm_reset_perms mm/vmalloc.c:3349 [inline]) [<804ea2a4>] (_vm_unmap_aliases) from [<804ee0ec>] (vfree+0x16c/0x210 mm/vmalloc.c:3428) r10:83016170 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:857a0f00 r4:00000000 [<804edf80>] (vfree) from [<80559038>] (execmem_free+0x30/0x50 mm/execmem.c:503) r9:83018605 r8:84c96c00 r7:00000000 r6:83018600 r5:00001000 r4:7f057000 [<80559008>] (execmem_free) from [<803c5fa0>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1052) r5:00001000 r4:eac85000 [<803c5f90>] (bpf_jit_free_exec) from [<803c6380>] (bpf_jit_binary_free kernel/bpf/core.c:1098 [inline]) [<803c5f90>] (bpf_jit_free_exec) from [<803c6380>] (bpf_jit_free+0x68/0xe4 kernel/bpf/core.c:1221) [<803c6318>] (bpf_jit_free) from [<803c7428>] (bpf_prog_free_deferred+0x140/0x158 kernel/bpf/core.c:2898) r5:8599df8c r4:85420100 [<803c72e8>] (bpf_prog_free_deferred) from [<802785a0>] (process_one_work+0x1b4/0x4f4 kernel/workqueue.c:3263) r7:ddde3d80 r6:83018600 r5:8599df8c r4:85420100 [<802783ec>] (process_one_work) from [<802791e8>] (process_scheduled_works kernel/workqueue.c:3346 [inline]) [<802783ec>] (process_one_work) from [<802791e8>] (worker_thread+0x1fc/0x3d8 kernel/workqueue.c:3427) r10:61c88647 r9:84c96c00 r8:8542012c r7:82804d40 r6:ddde3d80 r5:ddde3da0 r4:85420100 [<80278fec>] (worker_thread) from [<8028020c>] (kthread+0x12c/0x280 kernel/kthread.c:463) r10:00000000 r9:85420100 r8:80278fec r7:df9ede60 r6:85420280 r5:84c96c00 r4:00000001 [<802800e0>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137) Exception stack(0xdfa91fb0 to 0xdfa91ff8) 1fa0: 00000000 00000000 00000000 00000000 1fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 1fe0: 00000000 00000000 00000000 00000000 00000013 00000000 r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802800e0 r4:856df100 INFO: task kworker/1:63:4362 is blocked on a mutex likely owned by task kworker/1:48:4332. task:kworker/1:48 state:R running task stack:0 pid:4332 tgid:4332 ppid:2 task_flags:0x4208060 flags:0x00000000 Workqueue: events bpf_prog_free_deferred Call trace: [<81a643fc>] (__schedule) from [<81a657c4>] (preempt_schedule_irq+0x40/0xa8 kernel/sched/core.c:7256) r10:8280c9b4 r9:841a1800 r8:80200c04 r7:dfaa5d54 r6:ffffffff r5:841a1800 r4:00000000 [<81a65784>] (preempt_schedule_irq) from [<80200c24>] (svc_preempt+0x8/0x18) Exception stack(0xdfaa5d20 to 0xdfaa5d68) 5d20: addb3000 ebc85000 00000001 80239bf8 7f00b000 00000001 82acb1c4 82aca5a0 5d40: 7f00b000 ebc85000 8280c9b4 dfaa5d9c dfaa5da0 dfaa5d70 80230af0 80239c10 5d60: 80000113 ffffffff r5:80000113 r4:80239c10 [<80230a8c>] (flush_tlb_kernel_range) from [<804ea0d0>] (__purge_vmap_area_lazy+0x284/0x458 mm/vmalloc.c:2342) r4:82acb1e4 [<804e9e4c>] (__purge_vmap_area_lazy) from [<804ea488>] (_vm_unmap_aliases+0x1e4/0x240 mm/vmalloc.c:2957) r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:dfaa5dc0 r5:dfaa5e08 r4:dfaa5dc0 [<804ea2a4>] (_vm_unmap_aliases) from [<804ee0ec>] (vm_reset_perms mm/vmalloc.c:3349 [inline]) [<804ea2a4>] (_vm_unmap_aliases) from [<804ee0ec>] (vfree+0x16c/0x210 mm/vmalloc.c:3428) r10:83016170 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:85603140 r4:00000000 [<804edf80>] (vfree) from [<80559038>] (execmem_free+0x30/0x50 mm/execmem.c:503) r9:83018605 r8:841a1800 r7:00000000 r6:83018600 r5:00001000 r4:7f03f000 [<80559008>] (execmem_free) from [<803c5fa0>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1052) r5:00001000 r4:e02bf000 [<803c5f90>] (bpf_jit_free_exec) from [<803c6380>] (bpf_jit_binary_free kernel/bpf/core.c:1098 [inline]) [<803c5f90>] (bpf_jit_free_exec) from [<803c6380>] (bpf_jit_free+0x68/0xe4 kernel/bpf/core.c:1221) [<803c6318>] (bpf_jit_free) from [<803c7428>] (bpf_prog_free_deferred+0x140/0x158 kernel/bpf/core.c:2898) r5:8583d38c r4:84e4ab80 [<803c72e8>] (bpf_prog_free_deferred) from [<802785a0>] (process_one_work+0x1b4/0x4f4 kernel/workqueue.c:3263) r7:ddde3d80 r6:83018600 r5:8583d38c r4:84e4ab80 [<802783ec>] (process_one_work) from [<802791e8>] (process_scheduled_works kernel/workqueue.c:3346 [inline]) [<802783ec>] (process_one_work) from [<802791e8>] (worker_thread+0x1fc/0x3d8 kernel/workqueue.c:3427) r10:61c88647 r9:841a1800 r8:84e4abac r7:82804d40 r6:ddde3d80 r5:ddde3da0 r4:84e4ab80 [<80278fec>] (worker_thread) from [<8028020c>] (kthread+0x12c/0x280 kernel/kthread.c:463) r10:00000000 r9:84e4ab80 r8:80278fec r7:dfae1e60 r6:84e4a080 r5:841a1800 r4:00000001 [<802800e0>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137) Exception stack(0xdfaa5fb0 to 0xdfaa5ff8) 5fa0: 00000000 00000000 00000000 00000000 5fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 5fe0: 00000000 00000000 00000000 00000000 00000013 00000000 r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802800e0 r4:854fcbc0 Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings INFO: task kworker/1:64:4364 blocked for more than 430 seconds. Not tainted syzkaller #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:kworker/1:64 state:D stack:0 pid:4364 tgid:4364 ppid:2 task_flags:0x4208060 flags:0x00000000 Workqueue: events bpf_prog_free_deferred Call trace: [<81a643fc>] (__schedule) from [<81a65390>] (__schedule_loop kernel/sched/core.c:7011 [inline]) [<81a643fc>] (__schedule) from [<81a65390>] (schedule+0x2c/0x130 kernel/sched/core.c:7026) r10:dfd61d84 r9:00000002 r8:60000113 r7:829171a0 r6:dfd61d8c r5:84c96000 r4:84c96000 [<81a65364>] (schedule) from [<81a65778>] (schedule_preempt_disabled+0x18/0x24 kernel/sched/core.c:7083) r5:84c96000 r4:8291719c [<81a65760>] (schedule_preempt_disabled) from [<81a68328>] (__mutex_lock_common kernel/locking/mutex.c:676 [inline]) [<81a65760>] (schedule_preempt_disabled) from [<81a68328>] (__mutex_lock.constprop.0+0x350/0xa24 kernel/locking/mutex.c:760) [<81a67fd8>] (__mutex_lock.constprop.0) from [<81a68ad0>] (__mutex_lock_slowpath+0x14/0x18 kernel/locking/mutex.c:1049) r10:8280c960 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:dfd61e08 r4:00000000 [<81a68abc>] (__mutex_lock_slowpath) from [<81a68b10>] (mutex_lock+0x3c/0x40 kernel/locking/mutex.c:274) [<81a68ad4>] (mutex_lock) from [<804ea30c>] (_vm_unmap_aliases+0x68/0x240 mm/vmalloc.c:2918) [<804ea2a4>] (_vm_unmap_aliases) from [<804ee0ec>] (vm_reset_perms mm/vmalloc.c:3349 [inline]) [<804ea2a4>] (_vm_unmap_aliases) from [<804ee0ec>] (vfree+0x16c/0x210 mm/vmalloc.c:3428) r10:83016170 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:85789840 r4:00000000 [<804edf80>] (vfree) from [<80559038>] (execmem_free+0x30/0x50 mm/execmem.c:503) r9:83018605 r8:84c96000 r7:00000000 r6:83018600 r5:00001000 r4:7f05f000 [<80559008>] (execmem_free) from [<803c5fa0>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1052) r5:00001000 r4:eaf4f000 [<803c5f90>] (bpf_jit_free_exec) from [<803c6380>] (bpf_jit_binary_free kernel/bpf/core.c:1098 [inline]) [<803c5f90>] (bpf_jit_free_exec) from [<803c6380>] (bpf_jit_free+0x68/0xe4 kernel/bpf/core.c:1221) [<803c6318>] (bpf_jit_free) from [<803c7428>] (bpf_prog_free_deferred+0x140/0x158 kernel/bpf/core.c:2898) r5:8599f78c r4:85420400 [<803c72e8>] (bpf_prog_free_deferred) from [<802785a0>] (process_one_work+0x1b4/0x4f4 kernel/workqueue.c:3263) r7:ddde3d80 r6:83018600 r5:8599f78c r4:85420400 [<802783ec>] (process_one_work) from [<802791e8>] (process_scheduled_works kernel/workqueue.c:3346 [inline]) [<802783ec>] (process_one_work) from [<802791e8>] (worker_thread+0x1fc/0x3d8 kernel/workqueue.c:3427) r10:61c88647 r9:84c96000 r8:8542042c r7:82804d40 r6:ddde3d80 r5:ddde3da0 r4:85420400 [<80278fec>] (worker_thread) from [<8028020c>] (kthread+0x12c/0x280 kernel/kthread.c:463) r10:00000000 r9:85420400 r8:80278fec r7:df9ede60 r6:85420380 r5:84c96000 r4:00000001 [<802800e0>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137) Exception stack(0xdfd61fb0 to 0xdfd61ff8) 1fa0: 00000000 00000000 00000000 00000000 1fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 1fe0: 00000000 00000000 00000000 00000000 00000013 00000000 r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802800e0 r4:855a0e40 INFO: task kworker/1:64:4364 is blocked on a mutex likely owned by task kworker/1:48:4332. task:kworker/1:48 state:R running task stack:0 pid:4332 tgid:4332 ppid:2 task_flags:0x4208060 flags:0x00000000 Workqueue: events bpf_prog_free_deferred Call trace: [<81a643fc>] (__schedule) from [<81a657c4>] (preempt_schedule_irq+0x40/0xa8 kernel/sched/core.c:7256) r10:8280c9b4 r9:841a1800 r8:80200c04 r7:dfaa5d54 r6:ffffffff r5:841a1800 r4:00000000 [<81a65784>] (preempt_schedule_irq) from [<80200c24>] (svc_preempt+0x8/0x18) Exception stack(0xdfaa5d20 to 0xdfaa5d68) 5d20: addb3000 ebc85000 00000001 80239bf8 7f00b000 00000001 82acb1c4 82aca5a0 5d40: 7f00b000 ebc85000 8280c9b4 dfaa5d9c dfaa5da0 dfaa5d70 80230af0 80239c10 5d60: 80000113 ffffffff r5:80000113 r4:80239c10 [<80230a8c>] (flush_tlb_kernel_range) from [<804ea0d0>] (__purge_vmap_area_lazy+0x284/0x458 mm/vmalloc.c:2342) r4:82acb1e4 [<804e9e4c>] (__purge_vmap_area_lazy) from [<804ea488>] (_vm_unmap_aliases+0x1e4/0x240 mm/vmalloc.c:2957) r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:dfaa5dc0 r5:dfaa5e08 r4:dfaa5dc0 [<804ea2a4>] (_vm_unmap_aliases) from [<804ee0ec>] (vm_reset_perms mm/vmalloc.c:3349 [inline]) [<804ea2a4>] (_vm_unmap_aliases) from [<804ee0ec>] (vfree+0x16c/0x210 mm/vmalloc.c:3428) r10:83016170 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:85603140 r4:00000000 [<804edf80>] (vfree) from [<80559038>] (execmem_free+0x30/0x50 mm/execmem.c:503) r9:83018605 r8:841a1800 r7:00000000 r6:83018600 r5:00001000 r4:7f03f000 [<80559008>] (execmem_free) from [<803c5fa0>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1052) r5:00001000 r4:e02bf000 [<803c5f90>] (bpf_jit_free_exec) from [<803c6380>] (bpf_jit_binary_free kernel/bpf/core.c:1098 [inline]) [<803c5f90>] (bpf_jit_free_exec) from [<803c6380>] (bpf_jit_free+0x68/0xe4 kernel/bpf/core.c:1221) [<803c6318>] (bpf_jit_free) from [<803c7428>] (bpf_prog_free_deferred+0x140/0x158 kernel/bpf/core.c:2898) r5:8583d38c r4:84e4ab80 [<803c72e8>] (bpf_prog_free_deferred) from [<802785a0>] (process_one_work+0x1b4/0x4f4 kernel/workqueue.c:3263) r7:ddde3d80 r6:83018600 r5:8583d38c r4:84e4ab80 [<802783ec>] (process_one_work) from [<802791e8>] (process_scheduled_works kernel/workqueue.c:3346 [inline]) [<802783ec>] (process_one_work) from [<802791e8>] (worker_thread+0x1fc/0x3d8 kernel/workqueue.c:3427) r10:61c88647 r9:841a1800 r8:84e4abac r7:82804d40 r6:ddde3d80 r5:ddde3da0 r4:84e4ab80 [<80278fec>] (worker_thread) from [<8028020c>] (kthread+0x12c/0x280 kernel/kthread.c:463) r10:00000000 r9:84e4ab80 r8:80278fec r7:dfae1e60 r6:84e4a080 r5:841a1800 r4:00000001 [<802800e0>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137) Exception stack(0xdfaa5fb0 to 0xdfaa5ff8) 5fa0: 00000000 00000000 00000000 00000000 5fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 5fe0: 00000000 00000000 00000000 00000000 00000013 00000000 r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802800e0 r4:854fcbc0 Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings INFO: task kworker/1:66:4368 blocked for more than 430 seconds. Not tainted syzkaller #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:kworker/1:66 state:D stack:0 pid:4368 tgid:4368 ppid:2 task_flags:0x4208060 flags:0x00000000 Workqueue: events bpf_prog_free_deferred Call trace: [<81a643fc>] (__schedule) from [<81a65390>] (__schedule_loop kernel/sched/core.c:7011 [inline]) [<81a643fc>] (__schedule) from [<81a65390>] (schedule+0x2c/0x130 kernel/sched/core.c:7026) r10:dfb51d84 r9:00000002 r8:60000013 r7:829171a0 r6:dfb51d8c r5:84c91800 r4:84c91800 [<81a65364>] (schedule) from [<81a65778>] (schedule_preempt_disabled+0x18/0x24 kernel/sched/core.c:7083) r5:84c91800 r4:8291719c [<81a65760>] (schedule_preempt_disabled) from [<81a68328>] (__mutex_lock_common kernel/locking/mutex.c:676 [inline]) [<81a65760>] (schedule_preempt_disabled) from [<81a68328>] (__mutex_lock.constprop.0+0x350/0xa24 kernel/locking/mutex.c:760) [<81a67fd8>] (__mutex_lock.constprop.0) from [<81a68ad0>] (__mutex_lock_slowpath+0x14/0x18 kernel/locking/mutex.c:1049) r10:8280c960 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:dfb51e08 r4:00000000 [<81a68abc>] (__mutex_lock_slowpath) from [<81a68b10>] (mutex_lock+0x3c/0x40 kernel/locking/mutex.c:274) [<81a68ad4>] (mutex_lock) from [<804ea30c>] (_vm_unmap_aliases+0x68/0x240 mm/vmalloc.c:2918) [<804ea2a4>] (_vm_unmap_aliases) from [<804ee0ec>] (vm_reset_perms mm/vmalloc.c:3349 [inline]) [<804ea2a4>] (_vm_unmap_aliases) from [<804ee0ec>] (vfree+0x16c/0x210 mm/vmalloc.c:3428) r10:83016170 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:856086c0 r4:00000000 [<804edf80>] (vfree) from [<80559038>] (execmem_free+0x30/0x50 mm/execmem.c:503) r9:83018605 r8:84c91800 r7:00000000 r6:83018600 r5:00001000 r4:7f00b000 [<80559008>] (execmem_free) from [<803c5fa0>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1052) r5:00001000 r4:df989000 [<803c5f90>] (bpf_jit_free_exec) from [<803c6380>] (bpf_jit_binary_free kernel/bpf/core.c:1098 [inline]) [<803c5f90>] (bpf_jit_free_exec) from [<803c6380>] (bpf_jit_free+0x68/0xe4 kernel/bpf/core.c:1221) [<803c6318>] (bpf_jit_free) from [<803c7428>] (bpf_prog_free_deferred+0x140/0x158 kernel/bpf/core.c:2898) r5:8599ff8c r4:85420880 [<803c72e8>] (bpf_prog_free_deferred) from [<802785a0>] (process_one_work+0x1b4/0x4f4 kernel/workqueue.c:3263) r7:ddde3d80 r6:83018600 r5:8599ff8c r4:85420880 [<802783ec>] (process_one_work) from [<802791e8>] (process_scheduled_works kernel/workqueue.c:3346 [inline]) [<802783ec>] (process_one_work) from [<802791e8>] (worker_thread+0x1fc/0x3d8 kernel/workqueue.c:3427) r10:61c88647 r9:84c91800 r8:854208ac r7:82804d40 r6:ddde3d80 r5:ddde3da0 r4:85420880 [<80278fec>] (worker_thread) from [<8028020c>] (kthread+0x12c/0x280 kernel/kthread.c:463) r10:00000000 r9:85420880 r8:80278fec r7:dfd61e60 r6:85420900 r5:84c91800 r4:00000001 [<802800e0>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137) Exception stack(0xdfb51fb0 to 0xdfb51ff8) 1fa0: 00000000 00000000 00000000 00000000 1fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 1fe0: 00000000 00000000 00000000 00000000 00000013 00000000 r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802800e0 r4:85602940 INFO: task kworker/1:66:4368 is blocked on a mutex likely owned by task kworker/1:48:4332. task:kworker/1:48 state:R running task stack:0 pid:4332 tgid:4332 ppid:2 task_flags:0x4208060 flags:0x00000000 Workqueue: events bpf_prog_free_deferred Call trace: [<81a643fc>] (__schedule) from [<81a657c4>] (preempt_schedule_irq+0x40/0xa8 kernel/sched/core.c:7256) r10:8280c9b4 r9:841a1800 r8:80200c04 r7:dfaa5d54 r6:ffffffff r5:841a1800 r4:00000000 [<81a65784>] (preempt_schedule_irq) from [<80200c24>] (svc_preempt+0x8/0x18) Exception stack(0xdfaa5d20 to 0xdfaa5d68) 5d20: addb3000 ebc85000 00000001 80239bf8 7f00b000 00000001 82acb1c4 82aca5a0 5d40: 7f00b000 ebc85000 8280c9b4 dfaa5d9c dfaa5da0 dfaa5d70 80230af0 80239c10 5d60: 80000113 ffffffff r5:80000113 r4:80239c10 [<80230a8c>] (flush_tlb_kernel_range) from [<804ea0d0>] (__purge_vmap_area_lazy+0x284/0x458 mm/vmalloc.c:2342) r4:82acb1e4 [<804e9e4c>] (__purge_vmap_area_lazy) from [<804ea488>] (_vm_unmap_aliases+0x1e4/0x240 mm/vmalloc.c:2957) r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:dfaa5dc0 r5:dfaa5e08 r4:dfaa5dc0 [<804ea2a4>] (_vm_unmap_aliases) from [<804ee0ec>] (vm_reset_perms mm/vmalloc.c:3349 [inline]) [<804ea2a4>] (_vm_unmap_aliases) from [<804ee0ec>] (vfree+0x16c/0x210 mm/vmalloc.c:3428) r10:83016170 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:85603140 r4:00000000 [<804edf80>] (vfree) from [<80559038>] (execmem_free+0x30/0x50 mm/execmem.c:503) r9:83018605 r8:841a1800 r7:00000000 r6:83018600 r5:00001000 r4:7f03f000 [<80559008>] (execmem_free) from [<803c5fa0>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1052) r5:00001000 r4:e02bf000 [<803c5f90>] (bpf_jit_free_exec) from [<803c6380>] (bpf_jit_binary_free kernel/bpf/core.c:1098 [inline]) [<803c5f90>] (bpf_jit_free_exec) from [<803c6380>] (bpf_jit_free+0x68/0xe4 kernel/bpf/core.c:1221) [<803c6318>] (bpf_jit_free) from [<803c7428>] (bpf_prog_free_deferred+0x140/0x158 kernel/bpf/core.c:2898) r5:8583d38c r4:84e4ab80 [<803c72e8>] (bpf_prog_free_deferred) from [<802785a0>] (process_one_work+0x1b4/0x4f4 kernel/workqueue.c:3263) r7:ddde3d80 r6:83018600 r5:8583d38c r4:84e4ab80 [<802783ec>] (process_one_work) from [<802791e8>] (process_scheduled_works kernel/workqueue.c:3346 [inline]) [<802783ec>] (process_one_work) from [<802791e8>] (worker_thread+0x1fc/0x3d8 kernel/workqueue.c:3427) r10:61c88647 r9:841a1800 r8:84e4abac r7:82804d40 r6:ddde3d80 r5:ddde3da0 r4:84e4ab80 [<80278fec>] (worker_thread) from [<8028020c>] (kthread+0x12c/0x280 kernel/kthread.c:463) r10:00000000 r9:84e4ab80 r8:80278fec r7:dfae1e60 r6:84e4a080 r5:841a1800 r4:00000001 [<802800e0>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137) Exception stack(0xdfaa5fb0 to 0xdfaa5ff8) 5fa0: 00000000 00000000 00000000 00000000 5fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 5fe0: 00000000 00000000 00000000 00000000 00000013 00000000 r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802800e0 r4:854fcbc0 Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings INFO: task kworker/1:67:4369 blocked for more than 430 seconds. Not tainted syzkaller #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:kworker/1:67 state:D stack:0 pid:4369 tgid:4369 ppid:2 task_flags:0x4208060 flags:0x00000000 Workqueue: events bpf_prog_free_deferred Call trace: [<81a643fc>] (__schedule) from [<81a65390>] (__schedule_loop kernel/sched/core.c:7011 [inline]) [<81a643fc>] (__schedule) from [<81a65390>] (schedule+0x2c/0x130 kernel/sched/core.c:7026) r10:dfda5d84 r9:00000002 r8:60000113 r7:829171a0 r6:dfda5d8c r5:84990000 r4:84990000 [<81a65364>] (schedule) from [<81a65778>] (schedule_preempt_disabled+0x18/0x24 kernel/sched/core.c:7083) r5:84990000 r4:8291719c [<81a65760>] (schedule_preempt_disabled) from [<81a68328>] (__mutex_lock_common kernel/locking/mutex.c:676 [inline]) [<81a65760>] (schedule_preempt_disabled) from [<81a68328>] (__mutex_lock.constprop.0+0x350/0xa24 kernel/locking/mutex.c:760) [<81a67fd8>] (__mutex_lock.constprop.0) from [<81a68ad0>] (__mutex_lock_slowpath+0x14/0x18 kernel/locking/mutex.c:1049) r10:8280c960 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:dfda5e08 r4:00000000 [<81a68abc>] (__mutex_lock_slowpath) from [<81a68b10>] (mutex_lock+0x3c/0x40 kernel/locking/mutex.c:274) [<81a68ad4>] (mutex_lock) from [<804ea30c>] (_vm_unmap_aliases+0x68/0x240 mm/vmalloc.c:2918) [<804ea2a4>] (_vm_unmap_aliases) from [<804ee0ec>] (vm_reset_perms mm/vmalloc.c:3349 [inline]) [<804ea2a4>] (_vm_unmap_aliases) from [<804ee0ec>] (vfree+0x16c/0x210 mm/vmalloc.c:3428) r10:83016170 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:84e3c6c0 r4:00000000 [<804edf80>] (vfree) from [<80559038>] (execmem_free+0x30/0x50 mm/execmem.c:503) r9:83018605 r8:84990000 r7:00000000 r6:83018600 r5:00001000 r4:7f061000 [<80559008>] (execmem_free) from [<803c5fa0>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1052) r5:00001000 r4:eafdd000 [<803c5f90>] (bpf_jit_free_exec) from [<803c6380>] (bpf_jit_binary_free kernel/bpf/core.c:1098 [inline]) [<803c5f90>] (bpf_jit_free_exec) from [<803c6380>] (bpf_jit_free+0x68/0xe4 kernel/bpf/core.c:1221) [<803c6318>] (bpf_jit_free) from [<803c7428>] (bpf_prog_free_deferred+0x140/0x158 kernel/bpf/core.c:2898) r5:8599ef8c r4:85420780 [<803c72e8>] (bpf_prog_free_deferred) from [<802785a0>] (process_one_work+0x1b4/0x4f4 kernel/workqueue.c:3263) r7:ddde3d80 r6:83018600 r5:8599ef8c r4:85420780 [<802783ec>] (process_one_work) from [<802791e8>] (process_scheduled_works kernel/workqueue.c:3346 [inline]) [<802783ec>] (process_one_work) from [<802791e8>] (worker_thread+0x1fc/0x3d8 kernel/workqueue.c:3427) r10:61c88647 r9:84990000 r8:854207ac r7:82804d40 r6:ddde3d80 r5:ddde3da0 r4:85420780 [<80278fec>] (worker_thread) from [<8028020c>] (kthread+0x12c/0x280 kernel/kthread.c:463) r10:00000000 r9:85420780 r8:80278fec r7:dfd61e60 r6:85420a80 r5:84990000 r4:00000001 [<802800e0>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137) Exception stack(0xdfda5fb0 to 0xdfda5ff8) 5fa0: 00000000 00000000 00000000 00000000 5fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 5fe0: 00000000 00000000 00000000 00000000 00000013 00000000 r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802800e0 r4:85602940 INFO: task kworker/1:67:4369 is blocked on a mutex likely owned by task kworker/1:48:4332. task:kworker/1:48 state:R running task stack:0 pid:4332 tgid:4332 ppid:2 task_flags:0x4208060 flags:0x00000000 Workqueue: events bpf_prog_free_deferred Call trace: [<81a643fc>] (__schedule) from [<81a657c4>] (preempt_schedule_irq+0x40/0xa8 kernel/sched/core.c:7256) r10:8280c9b4 r9:841a1800 r8:80200c04 r7:dfaa5d54 r6:ffffffff r5:841a1800 r4:00000000 [<81a65784>] (preempt_schedule_irq) from [<80200c24>] (svc_preempt+0x8/0x18) Exception stack(0xdfaa5d20 to 0xdfaa5d68) 5d20: ae18d000 ebc85000 00000001 80239bf8 7f00b000 00000001 82acb1c4 82aca5a0 5d40: 7f00b000 ebc85000 8280c9b4 dfaa5d9c dfaa5da0 dfaa5d70 80230af0 80239c10 5d60: 80000113 ffffffff r5:80000113 r4:80239c10 [<80230a8c>] (flush_tlb_kernel_range) from [<804ea0d0>] (__purge_vmap_area_lazy+0x284/0x458 mm/vmalloc.c:2342) r4:82acb1e4 [<804e9e4c>] (__purge_vmap_area_lazy) from [<804ea488>] (_vm_unmap_aliases+0x1e4/0x240 mm/vmalloc.c:2957) r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:dfaa5dc0 r5:dfaa5e08 r4:dfaa5dc0 [<804ea2a4>] (_vm_unmap_aliases) from [<804ee0ec>] (vm_reset_perms mm/vmalloc.c:3349 [inline]) [<804ea2a4>] (_vm_unmap_aliases) from [<804ee0ec>] (vfree+0x16c/0x210 mm/vmalloc.c:3428) r10:83016170 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:85603140 r4:00000000 [<804edf80>] (vfree) from [<80559038>] (execmem_free+0x30/0x50 mm/execmem.c:503) r9:83018605 r8:841a1800 r7:00000000 r6:83018600 r5:00001000 r4:7f03f000 [<80559008>] (execmem_free) from [<803c5fa0>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1052) r5:00001000 r4:e02bf000 [<803c5f90>] (bpf_jit_free_exec) from [<803c6380>] (bpf_jit_binary_free kernel/bpf/core.c:1098 [inline]) [<803c5f90>] (bpf_jit_free_exec) from [<803c6380>] (bpf_jit_free+0x68/0xe4 kernel/bpf/core.c:1221) [<803c6318>] (bpf_jit_free) from [<803c7428>] (bpf_prog_free_deferred+0x140/0x158 kernel/bpf/core.c:2898) r5:8583d38c r4:84e4ab80 [<803c72e8>] (bpf_prog_free_deferred) from [<802785a0>] (process_one_work+0x1b4/0x4f4 kernel/workqueue.c:3263) r7:ddde3d80 r6:83018600 r5:8583d38c r4:84e4ab80 [<802783ec>] (process_one_work) from [<802791e8>] (process_scheduled_works kernel/workqueue.c:3346 [inline]) [<802783ec>] (process_one_work) from [<802791e8>] (worker_thread+0x1fc/0x3d8 kernel/workqueue.c:3427) r10:61c88647 r9:841a1800 r8:84e4abac r7:82804d40 r6:ddde3d80 r5:ddde3da0 r4:84e4ab80 [<80278fec>] (worker_thread) from [<8028020c>] (kthread+0x12c/0x280 kernel/kthread.c:463) r10:00000000 r9:84e4ab80 r8:80278fec r7:dfae1e60 r6:84e4a080 r5:841a1800 r4:00000001 [<802800e0>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137) Exception stack(0xdfaa5fb0 to 0xdfaa5ff8) 5fa0: 00000000 00000000 00000000 00000000 5fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 5fe0: 00000000 00000000 00000000 00000000 00000013 00000000 r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802800e0 r4:854fcbc0 Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings INFO: task kworker/1:68:4380 blocked for more than 430 seconds. Not tainted syzkaller #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:kworker/1:68 state:D stack:0 pid:4380 tgid:4380 ppid:2 task_flags:0x4208060 flags:0x00000000 Workqueue: events bpf_prog_free_deferred Call trace: [<81a643fc>] (__schedule) from [<81a65390>] (__schedule_loop kernel/sched/core.c:7011 [inline]) [<81a643fc>] (__schedule) from [<81a65390>] (schedule+0x2c/0x130 kernel/sched/core.c:7026) r10:dfd01d84 r9:00000002 r8:60000013 r7:829171a0 r6:dfd01d8c r5:84993000 r4:84993000 [<81a65364>] (schedule) from [<81a65778>] (schedule_preempt_disabled+0x18/0x24 kernel/sched/core.c:7083) r5:84993000 r4:8291719c [<81a65760>] (schedule_preempt_disabled) from [<81a68328>] (__mutex_lock_common kernel/locking/mutex.c:676 [inline]) [<81a65760>] (schedule_preempt_disabled) from [<81a68328>] (__mutex_lock.constprop.0+0x350/0xa24 kernel/locking/mutex.c:760) [<81a67fd8>] (__mutex_lock.constprop.0) from [<81a68ad0>] (__mutex_lock_slowpath+0x14/0x18 kernel/locking/mutex.c:1049) r10:8280c960 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:dfd01e08 r4:00000000 [<81a68abc>] (__mutex_lock_slowpath) from [<81a68b10>] (mutex_lock+0x3c/0x40 kernel/locking/mutex.c:274) [<81a68ad4>] (mutex_lock) from [<804ea30c>] (_vm_unmap_aliases+0x68/0x240 mm/vmalloc.c:2918) [<804ea2a4>] (_vm_unmap_aliases) from [<804ee0ec>] (vm_reset_perms mm/vmalloc.c:3349 [inline]) [<804ea2a4>] (_vm_unmap_aliases) from [<804ee0ec>] (vfree+0x16c/0x210 mm/vmalloc.c:3428) r10:83016170 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:8559ef40 r4:00000000 [<804edf80>] (vfree) from [<80559038>] (execmem_free+0x30/0x50 mm/execmem.c:503) r9:83018605 r8:84993000 r7:00000000 r6:83018600 r5:00001000 r4:7f069000 [<80559008>] (execmem_free) from [<803c5fa0>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1052) r5:00001000 r4:eb8cb000 [<803c5f90>] (bpf_jit_free_exec) from [<803c6380>] (bpf_jit_binary_free kernel/bpf/core.c:1098 [inline]) [<803c5f90>] (bpf_jit_free_exec) from [<803c6380>] (bpf_jit_free+0x68/0xe4 kernel/bpf/core.c:1221) [<803c6318>] (bpf_jit_free) from [<803c7428>] (bpf_prog_free_deferred+0x140/0x158 kernel/bpf/core.c:2898) r5:8599cb8c r4:85420e80 [<803c72e8>] (bpf_prog_free_deferred) from [<802785a0>] (process_one_work+0x1b4/0x4f4 kernel/workqueue.c:3263) r7:ddde3d80 r6:83018600 r5:8599cb8c r4:85420e80 [<802783ec>] (process_one_work) from [<802791e8>] (process_scheduled_works kernel/workqueue.c:3346 [inline]) [<802783ec>] (process_one_work) from [<802791e8>] (worker_thread+0x1fc/0x3d8 kernel/workqueue.c:3427) r10:61c88647 r9:84993000 r8:85420eac r7:82804d40 r6:ddde3d80 r5:ddde3da0 r4:85420e80 [<80278fec>] (worker_thread) from [<8028020c>] (kthread+0x12c/0x280 kernel/kthread.c:463) r10:00000000 r9:85420e80 r8:80278fec r7:dfb51e60 r6:85420f00 r5:84993000 r4:00000001 [<802800e0>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137) Exception stack(0xdfd01fb0 to 0xdfd01ff8) 1fa0: 00000000 00000000 00000000 00000000 1fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 1fe0: 00000000 00000000 00000000 00000000 00000013 00000000 r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802800e0 r4:854fc240 INFO: task kworker/1:68:4380 is blocked on a mutex likely owned by task kworker/1:48:4332. task:kworker/1:48 state:R running task stack:0 pid:4332 tgid:4332 ppid:2 task_flags:0x4208060 flags:0x00000000 Workqueue: events bpf_prog_free_deferred Call trace: [<81a643fc>] (__schedule) from [<81a657c4>] (preempt_schedule_irq+0x40/0xa8 kernel/sched/core.c:7256) r10:8280c9b4 r9:841a1800 r8:80200c04 r7:dfaa5d54 r6:ffffffff r5:841a1800 r4:00000000 [<81a65784>] (preempt_schedule_irq) from [<80200c24>] (svc_preempt+0x8/0x18) Exception stack(0xdfaa5d20 to 0xdfaa5d68) 5d20: ae18d000 ebc85000 00000001 80239bf8 7f00b000 00000001 82acb1c4 82aca5a0 5d40: 7f00b000 ebc85000 8280c9b4 dfaa5d9c dfaa5da0 dfaa5d70 80230af0 80239c10 5d60: 80000113 ffffffff r5:80000113 r4:80239c10 [<80230a8c>] (flush_tlb_kernel_range) from [<804ea0d0>] (__purge_vmap_area_lazy+0x284/0x458 mm/vmalloc.c:2342) r4:82acb1e4 [<804e9e4c>] (__purge_vmap_area_lazy) from [<804ea488>] (_vm_unmap_aliases+0x1e4/0x240 mm/vmalloc.c:2957) r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:dfaa5dc0 r5:dfaa5e08 r4:dfaa5dc0 [<804ea2a4>] (_vm_unmap_aliases) from [<804ee0ec>] (vm_reset_perms mm/vmalloc.c:3349 [inline]) [<804ea2a4>] (_vm_unmap_aliases) from [<804ee0ec>] (vfree+0x16c/0x210 mm/vmalloc.c:3428) r10:83016170 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:85603140 r4:00000000 [<804edf80>] (vfree) from [<80559038>] (execmem_free+0x30/0x50 mm/execmem.c:503) r9:83018605 r8:841a1800 r7:00000000 r6:83018600 r5:00001000 r4:7f03f000 [<80559008>] (execmem_free) from [<803c5fa0>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1052) r5:00001000 r4:e02bf000 [<803c5f90>] (bpf_jit_free_exec) from [<803c6380>] (bpf_jit_binary_free kernel/bpf/core.c:1098 [inline]) [<803c5f90>] (bpf_jit_free_exec) from [<803c6380>] (bpf_jit_free+0x68/0xe4 kernel/bpf/core.c:1221) [<803c6318>] (bpf_jit_free) from [<803c7428>] (bpf_prog_free_deferred+0x140/0x158 kernel/bpf/core.c:2898) r5:8583d38c r4:84e4ab80 [<803c72e8>] (bpf_prog_free_deferred) from [<802785a0>] (process_one_work+0x1b4/0x4f4 kernel/workqueue.c:3263) r7:ddde3d80 r6:83018600 r5:8583d38c r4:84e4ab80 [<802783ec>] (process_one_work) from [<802791e8>] (process_scheduled_works kernel/workqueue.c:3346 [inline]) [<802783ec>] (process_one_work) from [<802791e8>] (worker_thread+0x1fc/0x3d8 kernel/workqueue.c:3427) r10:61c88647 r9:841a1800 r8:84e4abac r7:82804d40 r6:ddde3d80 r5:ddde3da0 r4:84e4ab80 [<80278fec>] (worker_thread) from [<8028020c>] (kthread+0x12c/0x280 kernel/kthread.c:463) r10:00000000 r9:84e4ab80 r8:80278fec r7:dfae1e60 r6:84e4a080 r5:841a1800 r4:00000001 [<802800e0>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137) Exception stack(0xdfaa5fb0 to 0xdfaa5ff8) 5fa0: 00000000 00000000 00000000 00000000 5fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 5fe0: 00000000 00000000 00000000 00000000 00000013 00000000 r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802800e0 r4:854fcbc0 Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings INFO: task kworker/1:69:4408 blocked for more than 430 seconds. Not tainted syzkaller #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:kworker/1:69 state:D stack:0 pid:4408 tgid:4408 ppid:2 task_flags:0x4208060 flags:0x00000000 Workqueue: events bpf_prog_free_deferred Call trace: [<81a643fc>] (__schedule) from [<81a65390>] (__schedule_loop kernel/sched/core.c:7011 [inline]) [<81a643fc>] (__schedule) from [<81a65390>] (schedule+0x2c/0x130 kernel/sched/core.c:7026) r10:dfc49d84 r9:00000002 r8:60000113 r7:829171a0 r6:dfc49d8c r5:84fb8c00 r4:84fb8c00 [<81a65364>] (schedule) from [<81a65778>] (schedule_preempt_disabled+0x18/0x24 kernel/sched/core.c:7083) r5:84fb8c00 r4:8291719c [<81a65760>] (schedule_preempt_disabled) from [<81a68328>] (__mutex_lock_common kernel/locking/mutex.c:676 [inline]) [<81a65760>] (schedule_preempt_disabled) from [<81a68328>] (__mutex_lock.constprop.0+0x350/0xa24 kernel/locking/mutex.c:760) [<81a67fd8>] (__mutex_lock.constprop.0) from [<81a68ad0>] (__mutex_lock_slowpath+0x14/0x18 kernel/locking/mutex.c:1049) r10:8280c960 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:dfc49e08 r4:00000000 [<81a68abc>] (__mutex_lock_slowpath) from [<81a68b10>] (mutex_lock+0x3c/0x40 kernel/locking/mutex.c:274) [<81a68ad4>] (mutex_lock) from [<804ea30c>] (_vm_unmap_aliases+0x68/0x240 mm/vmalloc.c:2918) [<804ea2a4>] (_vm_unmap_aliases) from [<804ee0ec>] (vm_reset_perms mm/vmalloc.c:3349 [inline]) [<804ea2a4>] (_vm_unmap_aliases) from [<804ee0ec>] (vfree+0x16c/0x210 mm/vmalloc.c:3428) r10:83016170 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:856087c0 r4:00000000 [<804edf80>] (vfree) from [<80559038>] (execmem_free+0x30/0x50 mm/execmem.c:503) r9:83018605 r8:84fb8c00 r7:00000000 r6:83018600 r5:00001000 r4:7f075000 [<80559008>] (execmem_free) from [<803c5fa0>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1052) r5:00001000 r4:eb9e1000 [<803c5f90>] (bpf_jit_free_exec) from [<803c6380>] (bpf_jit_binary_free kernel/bpf/core.c:1098 [inline]) [<803c5f90>] (bpf_jit_free_exec) from [<803c6380>] (bpf_jit_free+0x68/0xe4 kernel/bpf/core.c:1221) [<803c6318>] (bpf_jit_free) from [<803c7428>] (bpf_prog_free_deferred+0x140/0x158 kernel/bpf/core.c:2898) r5:84e5a38c r4:85423500 [<803c72e8>] (bpf_prog_free_deferred) from [<802785a0>] (process_one_work+0x1b4/0x4f4 kernel/workqueue.c:3263) r7:ddde3d80 r6:83018600 r5:84e5a38c r4:85423500 [<802783ec>] (process_one_work) from [<802791e8>] (process_scheduled_works kernel/workqueue.c:3346 [inline]) [<802783ec>] (process_one_work) from [<802791e8>] (worker_thread+0x1fc/0x3d8 kernel/workqueue.c:3427) r10:61c88647 r9:84fb8c00 r8:8542352c r7:82804d40 r6:ddde3d80 r5:ddde3da0 r4:85423500 [<80278fec>] (worker_thread) from [<8028020c>] (kthread+0x12c/0x280 kernel/kthread.c:463) r10:00000000 r9:85423500 r8:80278fec r7:e43ede60 r6:84b24800 r5:84fb8c00 r4:00000001 [<802800e0>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137) Exception stack(0xdfc49fb0 to 0xdfc49ff8) 9fa0: 00000000 00000000 00000000 00000000 9fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 9fe0: 00000000 00000000 00000000 00000000 00000013 00000000 r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802800e0 r4:84c651c0 INFO: task kworker/1:69:4408 is blocked on a mutex likely owned by task kworker/1:48:4332. task:kworker/1:48 state:R running task stack:0 pid:4332 tgid:4332 ppid:2 task_flags:0x4208060 flags:0x00000000 Workqueue: events bpf_prog_free_deferred Call trace: [<81a643fc>] (__schedule) from [<81a657c4>] (preempt_schedule_irq+0x40/0xa8 kernel/sched/core.c:7256) r10:8280c9b4 r9:841a1800 r8:80200c04 r7:dfaa5d54 r6:ffffffff r5:841a1800 r4:00000000 [<81a65784>] (preempt_schedule_irq) from [<80200c24>] (svc_preempt+0x8/0x18) Exception stack(0xdfaa5d20 to 0xdfaa5d68) 5d20: ae18d000 ebc85000 00000001 80239bf8 7f00b000 00000001 82acb1c4 82aca5a0 5d40: 7f00b000 ebc85000 8280c9b4 dfaa5d9c dfaa5da0 dfaa5d70 80230af0 80239c10 5d60: 80000113 ffffffff r5:80000113 r4:80239c10 [<80230a8c>] (flush_tlb_kernel_range) from [<804ea0d0>] (__purge_vmap_area_lazy+0x284/0x458 mm/vmalloc.c:2342) r4:82acb1e4 [<804e9e4c>] (__purge_vmap_area_lazy) from [<804ea488>] (_vm_unmap_aliases+0x1e4/0x240 mm/vmalloc.c:2957) r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:dfaa5dc0 r5:dfaa5e08 r4:dfaa5dc0 [<804ea2a4>] (_vm_unmap_aliases) from [<804ee0ec>] (vm_reset_perms mm/vmalloc.c:3349 [inline]) [<804ea2a4>] (_vm_unmap_aliases) from [<804ee0ec>] (vfree+0x16c/0x210 mm/vmalloc.c:3428) r10:83016170 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:85603140 r4:00000000 [<804edf80>] (vfree) from [<80559038>] (execmem_free+0x30/0x50 mm/execmem.c:503) r9:83018605 r8:841a1800 r7:00000000 r6:83018600 r5:00001000 r4:7f03f000 [<80559008>] (execmem_free) from [<803c5fa0>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1052) r5:00001000 r4:e02bf000 [<803c5f90>] (bpf_jit_free_exec) from [<803c6380>] (bpf_jit_binary_free kernel/bpf/core.c:1098 [inline]) [<803c5f90>] (bpf_jit_free_exec) from [<803c6380>] (bpf_jit_free+0x68/0xe4 kernel/bpf/core.c:1221) [<803c6318>] (bpf_jit_free) from [<803c7428>] (bpf_prog_free_deferred+0x140/0x158 kernel/bpf/core.c:2898) r5:8583d38c r4:84e4ab80 [<803c72e8>] (bpf_prog_free_deferred) from [<802785a0>] (process_one_work+0x1b4/0x4f4 kernel/workqueue.c:3263) r7:ddde3d80 r6:83018600 r5:8583d38c r4:84e4ab80 [<802783ec>] (process_one_work) from [<802791e8>] (process_scheduled_works kernel/workqueue.c:3346 [inline]) [<802783ec>] (process_one_work) from [<802791e8>] (worker_thread+0x1fc/0x3d8 kernel/workqueue.c:3427) r10:61c88647 r9:841a1800 r8:84e4abac r7:82804d40 r6:ddde3d80 r5:ddde3da0 r4:84e4ab80 [<80278fec>] (worker_thread) from [<8028020c>] (kthread+0x12c/0x280 kernel/kthread.c:463) r10:00000000 r9:84e4ab80 r8:80278fec r7:dfae1e60 r6:84e4a080 r5:841a1800 r4:00000001 [<802800e0>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137) Exception stack(0xdfaa5fb0 to 0xdfaa5ff8) 5fa0: 00000000 00000000 00000000 00000000 5fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 5fe0: 00000000 00000000 00000000 00000000 00000013 00000000 r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802800e0 r4:854fcbc0 Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings INFO: task kworker/1:70:4426 blocked for more than 430 seconds. Not tainted syzkaller #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:kworker/1:70 state:D stack:0 pid:4426 tgid:4426 ppid:2 task_flags:0x4208060 flags:0x00000000 Workqueue: events bpf_prog_free_deferred Call trace: [<81a643fc>] (__schedule) from [<81a65390>] (__schedule_loop kernel/sched/core.c:7011 [inline]) [<81a643fc>] (__schedule) from [<81a65390>] (schedule+0x2c/0x130 kernel/sched/core.c:7026) r10:dfaedd84 r9:00000002 r8:60000013 r7:829171a0 r6:dfaedd8c r5:85652400 r4:85652400 [<81a65364>] (schedule) from [<81a65778>] (schedule_preempt_disabled+0x18/0x24 kernel/sched/core.c:7083) r5:85652400 r4:8291719c [<81a65760>] (schedule_preempt_disabled) from [<81a68328>] (__mutex_lock_common kernel/locking/mutex.c:676 [inline]) [<81a65760>] (schedule_preempt_disabled) from [<81a68328>] (__mutex_lock.constprop.0+0x350/0xa24 kernel/locking/mutex.c:760) [<81a67fd8>] (__mutex_lock.constprop.0) from [<81a68ad0>] (__mutex_lock_slowpath+0x14/0x18 kernel/locking/mutex.c:1049) r10:8280c960 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:dfaede08 r4:00000000 [<81a68abc>] (__mutex_lock_slowpath) from [<81a68b10>] (mutex_lock+0x3c/0x40 kernel/locking/mutex.c:274) [<81a68ad4>] (mutex_lock) from [<804ea30c>] (_vm_unmap_aliases+0x68/0x240 mm/vmalloc.c:2918) [<804ea2a4>] (_vm_unmap_aliases) from [<804ee0ec>] (vm_reset_perms mm/vmalloc.c:3349 [inline]) [<804ea2a4>] (_vm_unmap_aliases) from [<804ee0ec>] (vfree+0x16c/0x210 mm/vmalloc.c:3428) r10:83016170 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:8559e300 r4:00000000 [<804edf80>] (vfree) from [<80559038>] (execmem_free+0x30/0x50 mm/execmem.c:503) r9:83018605 r8:85652400 r7:00000000 r6:83018600 r5:00001000 r4:7f067000 [<80559008>] (execmem_free) from [<803c5fa0>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1052) r5:00001000 r4:eb07d000 [<803c5f90>] (bpf_jit_free_exec) from [<803c6380>] (bpf_jit_binary_free kernel/bpf/core.c:1098 [inline]) [<803c5f90>] (bpf_jit_free_exec) from [<803c6380>] (bpf_jit_free+0x68/0xe4 kernel/bpf/core.c:1221) [<803c6318>] (bpf_jit_free) from [<803c7428>] (bpf_prog_free_deferred+0x140/0x158 kernel/bpf/core.c:2898) r5:8599e38c r4:85423e80 [<803c72e8>] (bpf_prog_free_deferred) from [<802785a0>] (process_one_work+0x1b4/0x4f4 kernel/workqueue.c:3263) r7:ddde3d80 r6:83018600 r5:8599e38c r4:85423e80 [<802783ec>] (process_one_work) from [<802791e8>] (process_scheduled_works kernel/workqueue.c:3346 [inline]) [<802783ec>] (process_one_work) from [<802791e8>] (worker_thread+0x1fc/0x3d8 kernel/workqueue.c:3427) r10:61c88647 r9:85652400 r8:85423eac r7:82804d40 r6:ddde3d80 r5:ddde3da0 r4:85423e80 [<80278fec>] (worker_thread) from [<8028020c>] (kthread+0x12c/0x280 kernel/kthread.c:463) r10:00000000 r9:85423e80 r8:80278fec r7:dfc49e60 r6:84c68300 r5:85652400 r4:00000001 [<802800e0>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137) Exception stack(0xdfaedfb0 to 0xdfaedff8) dfa0: 00000000 00000000 00000000 00000000 dfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 dfe0: 00000000 00000000 00000000 00000000 00000013 00000000 r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802800e0 r4:855a0740 INFO: task kworker/1:70:4426 is blocked on a mutex likely owned by task kworker/1:48:4332. task:kworker/1:48 state:R running task stack:0 pid:4332 tgid:4332 ppid:2 task_flags:0x4208060 flags:0x00000000 Workqueue: events bpf_prog_free_deferred Call trace: [<81a643fc>] (__schedule) from [<81a657c4>] (preempt_schedule_irq+0x40/0xa8 kernel/sched/core.c:7256) r10:8280c9b4 r9:841a1800 r8:80200c04 r7:dfaa5d54 r6:ffffffff r5:841a1800 r4:00000000 [<81a65784>] (preempt_schedule_irq) from [<80200c24>] (svc_preempt+0x8/0x18) Exception stack(0xdfaa5d20 to 0xdfaa5d68) 5d20: ae18d000 ebc85000 00000001 80239bf8 7f00b000 00000001 82acb1c4 82aca5a0 5d40: 7f00b000 ebc85000 8280c9b4 dfaa5d9c dfaa5da0 dfaa5d70 80230af0 80239c10 5d60: 80000113 ffffffff r5:80000113 r4:80239c10 [<80230a8c>] (flush_tlb_kernel_range) from [<804ea0d0>] (__purge_vmap_area_lazy+0x284/0x458 mm/vmalloc.c:2342) r4:82acb1e4 [<804e9e4c>] (__purge_vmap_area_lazy) from [<804ea488>] (_vm_unmap_aliases+0x1e4/0x240 mm/vmalloc.c:2957) r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:dfaa5dc0 r5:dfaa5e08 r4:dfaa5dc0 [<804ea2a4>] (_vm_unmap_aliases) from [<804ee0ec>] (vm_reset_perms mm/vmalloc.c:3349 [inline]) [<804ea2a4>] (_vm_unmap_aliases) from [<804ee0ec>] (vfree+0x16c/0x210 mm/vmalloc.c:3428) r10:83016170 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:85603140 r4:00000000 [<804edf80>] (vfree) from [<80559038>] (execmem_free+0x30/0x50 mm/execmem.c:503) r9:83018605 r8:841a1800 r7:00000000 r6:83018600 r5:00001000 r4:7f03f000 [<80559008>] (execmem_free) from [<803c5fa0>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1052) r5:00001000 r4:e02bf000 [<803c5f90>] (bpf_jit_free_exec) from [<803c6380>] (bpf_jit_binary_free kernel/bpf/core.c:1098 [inline]) [<803c5f90>] (bpf_jit_free_exec) from [<803c6380>] (bpf_jit_free+0x68/0xe4 kernel/bpf/core.c:1221) [<803c6318>] (bpf_jit_free) from [<803c7428>] (bpf_prog_free_deferred+0x140/0x158 kernel/bpf/core.c:2898) r5:8583d38c r4:84e4ab80 [<803c72e8>] (bpf_prog_free_deferred) from [<802785a0>] (process_one_work+0x1b4/0x4f4 kernel/workqueue.c:3263) r7:ddde3d80 r6:83018600 r5:8583d38c r4:84e4ab80 [<802783ec>] (process_one_work) from [<802791e8>] (process_scheduled_works kernel/workqueue.c:3346 [inline]) [<802783ec>] (process_one_work) from [<802791e8>] (worker_thread+0x1fc/0x3d8 kernel/workqueue.c:3427) r10:61c88647 r9:841a1800 r8:84e4abac r7:82804d40 r6:ddde3d80 r5:ddde3da0 r4:84e4ab80 [<80278fec>] (worker_thread) from [<8028020c>] (kthread+0x12c/0x280 kernel/kthread.c:463) r10:00000000 r9:84e4ab80 r8:80278fec r7:dfae1e60 r6:84e4a080 r5:841a1800 r4:00000001 [<802800e0>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137) Exception stack(0xdfaa5fb0 to 0xdfaa5ff8) 5fa0: 00000000 00000000 00000000 00000000 5fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 5fe0: 00000000 00000000 00000000 00000000 00000013 00000000 r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802800e0 r4:854fcbc0 Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings INFO: task kworker/1:71:4427 blocked for more than 430 seconds. Not tainted syzkaller #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:kworker/1:71 state:D stack:0 pid:4427 tgid:4427 ppid:2 task_flags:0x4208060 flags:0x00000000 Workqueue: events bpf_prog_free_deferred Call trace: [<81a643fc>] (__schedule) from [<81a65390>] (__schedule_loop kernel/sched/core.c:7011 [inline]) [<81a643fc>] (__schedule) from [<81a65390>] (schedule+0x2c/0x130 kernel/sched/core.c:7026) r10:dfaf9d84 r9:00000002 r8:60000013 r7:829171a0 r6:dfaf9d8c r5:85653c00 r4:85653c00 [<81a65364>] (schedule) from [<81a65778>] (schedule_preempt_disabled+0x18/0x24 kernel/sched/core.c:7083) r5:85653c00 r4:8291719c [<81a65760>] (schedule_preempt_disabled) from [<81a68328>] (__mutex_lock_common kernel/locking/mutex.c:676 [inline]) [<81a65760>] (schedule_preempt_disabled) from [<81a68328>] (__mutex_lock.constprop.0+0x350/0xa24 kernel/locking/mutex.c:760) [<81a67fd8>] (__mutex_lock.constprop.0) from [<81a68ad0>] (__mutex_lock_slowpath+0x14/0x18 kernel/locking/mutex.c:1049) r10:8280c960 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:dfaf9e08 r4:00000000 [<81a68abc>] (__mutex_lock_slowpath) from [<81a68b10>] (mutex_lock+0x3c/0x40 kernel/locking/mutex.c:274) [<81a68ad4>] (mutex_lock) from [<804ea30c>] (_vm_unmap_aliases+0x68/0x240 mm/vmalloc.c:2918) [<804ea2a4>] (_vm_unmap_aliases) from [<804ee0ec>] (vm_reset_perms mm/vmalloc.c:3349 [inline]) [<804ea2a4>] (_vm_unmap_aliases) from [<804ee0ec>] (vfree+0x16c/0x210 mm/vmalloc.c:3428) r10:83016170 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:8559e4c0 r4:00000000 [<804edf80>] (vfree) from [<80559038>] (execmem_free+0x30/0x50 mm/execmem.c:503) r9:83018605 r8:85653c00 r7:00000000 r6:83018600 r5:00001000 r4:7f06f000 [<80559008>] (execmem_free) from [<803c5fa0>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1052) r5:00001000 r4:eb95f000 [<803c5f90>] (bpf_jit_free_exec) from [<803c6380>] (bpf_jit_binary_free kernel/bpf/core.c:1098 [inline]) [<803c5f90>] (bpf_jit_free_exec) from [<803c6380>] (bpf_jit_free+0x68/0xe4 kernel/bpf/core.c:1221) [<803c6318>] (bpf_jit_free) from [<803c7428>] (bpf_prog_free_deferred+0x140/0x158 kernel/bpf/core.c:2898) r5:85873b8c r4:85423f00 [<803c72e8>] (bpf_prog_free_deferred) from [<802785a0>] (process_one_work+0x1b4/0x4f4 kernel/workqueue.c:3263) r7:ddde3d80 r6:83018600 r5:85873b8c r4:85423f00 [<802783ec>] (process_one_work) from [<802791e8>] (process_scheduled_works kernel/workqueue.c:3346 [inline]) [<802783ec>] (process_one_work) from [<802791e8>] (worker_thread+0x1fc/0x3d8 kernel/workqueue.c:3427) r10:61c88647 r9:85653c00 r8:85423f2c r7:82804d40 r6:ddde3d80 r5:ddde3da0 r4:85423f00 [<80278fec>] (worker_thread) from [<8028020c>] (kthread+0x12c/0x280 kernel/kthread.c:463) r10:00000000 r9:85423f00 r8:80278fec r7:dfc49e60 r6:84c68580 r5:85653c00 r4:00000001 [<802800e0>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137) Exception stack(0xdfaf9fb0 to 0xdfaf9ff8) 9fa0: 00000000 00000000 00000000 00000000 9fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 9fe0: 00000000 00000000 00000000 00000000 00000013 00000000 r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802800e0 r4:856012c0 INFO: task kworker/1:71:4427 is blocked on a mutex likely owned by task kworker/1:48:4332. task:kworker/1:48 state:R running task stack:0 pid:4332 tgid:4332 ppid:2 task_flags:0x4208060 flags:0x00000000 Workqueue: events bpf_prog_free_deferred Call trace: [<81a643fc>] (__schedule) from [<81a657c4>] (preempt_schedule_irq+0x40/0xa8 kernel/sched/core.c:7256) r10:8280c9b4 r9:841a1800 r8:80200c04 r7:dfaa5d54 r6:ffffffff r5:841a1800 r4:00000000 [<81a65784>] (preempt_schedule_irq) from [<80200c24>] (svc_preempt+0x8/0x18) Exception stack(0xdfaa5d20 to 0xdfaa5d68) 5d20: ae18d000 ebc85000 00000001 80239bf8 7f00b000 00000001 82acb1c4 82aca5a0 5d40: 7f00b000 ebc85000 8280c9b4 dfaa5d9c dfaa5da0 dfaa5d70 80230af0 80239c10 5d60: 80000113 ffffffff r5:80000113 r4:80239c10 [<80230a8c>] (flush_tlb_kernel_range) from [<804ea0d0>] (__purge_vmap_area_lazy+0x284/0x458 mm/vmalloc.c:2342) r4:82acb1e4 [<804e9e4c>] (__purge_vmap_area_lazy) from [<804ea488>] (_vm_unmap_aliases+0x1e4/0x240 mm/vmalloc.c:2957) r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:dfaa5dc0 r5:dfaa5e08 r4:dfaa5dc0 [<804ea2a4>] (_vm_unmap_aliases) from [<804ee0ec>] (vm_reset_perms mm/vmalloc.c:3349 [inline]) [<804ea2a4>] (_vm_unmap_aliases) from [<804ee0ec>] (vfree+0x16c/0x210 mm/vmalloc.c:3428) r10:83016170 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:85603140 r4:00000000 [<804edf80>] (vfree) from [<80559038>] (execmem_free+0x30/0x50 mm/execmem.c:503) r9:83018605 r8:841a1800 r7:00000000 r6:83018600 r5:00001000 r4:7f03f000 [<80559008>] (execmem_free) from [<803c5fa0>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1052) r5:00001000 r4:e02bf000 [<803c5f90>] (bpf_jit_free_exec) from [<803c6380>] (bpf_jit_binary_free kernel/bpf/core.c:1098 [inline]) [<803c5f90>] (bpf_jit_free_exec) from [<803c6380>] (bpf_jit_free+0x68/0xe4 kernel/bpf/core.c:1221) [<803c6318>] (bpf_jit_free) from [<803c7428>] (bpf_prog_free_deferred+0x140/0x158 kernel/bpf/core.c:2898) r5:8583d38c r4:84e4ab80 [<803c72e8>] (bpf_prog_free_deferred) from [<802785a0>] (process_one_work+0x1b4/0x4f4 kernel/workqueue.c:3263) r7:ddde3d80 r6:83018600 r5:8583d38c r4:84e4ab80 [<802783ec>] (process_one_work) from [<802791e8>] (process_scheduled_works kernel/workqueue.c:3346 [inline]) [<802783ec>] (process_one_work) from [<802791e8>] (worker_thread+0x1fc/0x3d8 kernel/workqueue.c:3427) r10:61c88647 r9:841a1800 r8:84e4abac r7:82804d40 r6:ddde3d80 r5:ddde3da0 r4:84e4ab80 [<80278fec>] (worker_thread) from [<8028020c>] (kthread+0x12c/0x280 kernel/kthread.c:463) r10:00000000 r9:84e4ab80 r8:80278fec r7:dfae1e60 r6:84e4a080 r5:841a1800 r4:00000001 [<802800e0>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137) Exception stack(0xdfaa5fb0 to 0xdfaa5ff8) 5fa0: 00000000 00000000 00000000 00000000 5fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 5fe0: 00000000 00000000 00000000 00000000 00000013 00000000 r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802800e0 r4:854fcbc0 Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings INFO: task kworker/1:72:4429 blocked for more than 431 seconds. Not tainted syzkaller #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:kworker/1:72 state:D stack:0 pid:4429 tgid:4429 ppid:2 task_flags:0x4208060 flags:0x00000000 Workqueue: events bpf_prog_free_deferred Call trace: [<81a643fc>] (__schedule) from [<81a65390>] (__schedule_loop kernel/sched/core.c:7011 [inline]) [<81a643fc>] (__schedule) from [<81a65390>] (schedule+0x2c/0x130 kernel/sched/core.c:7026) r10:dfb59d84 r9:00000002 r8:60000013 r7:829171a0 r6:dfb59d8c r5:85655400 r4:85655400 [<81a65364>] (schedule) from [<81a65778>] (schedule_preempt_disabled+0x18/0x24 kernel/sched/core.c:7083) r5:85655400 r4:8291719c [<81a65760>] (schedule_preempt_disabled) from [<81a68328>] (__mutex_lock_common kernel/locking/mutex.c:676 [inline]) [<81a65760>] (schedule_preempt_disabled) from [<81a68328>] (__mutex_lock.constprop.0+0x350/0xa24 kernel/locking/mutex.c:760) [<81a67fd8>] (__mutex_lock.constprop.0) from [<81a68ad0>] (__mutex_lock_slowpath+0x14/0x18 kernel/locking/mutex.c:1049) r10:8280c960 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:dfb59e08 r4:00000000 [<81a68abc>] (__mutex_lock_slowpath) from [<81a68b10>] (mutex_lock+0x3c/0x40 kernel/locking/mutex.c:274) [<81a68ad4>] (mutex_lock) from [<804ea30c>] (_vm_unmap_aliases+0x68/0x240 mm/vmalloc.c:2918) [<804ea2a4>] (_vm_unmap_aliases) from [<804ee0ec>] (vm_reset_perms mm/vmalloc.c:3349 [inline]) [<804ea2a4>] (_vm_unmap_aliases) from [<804ee0ec>] (vfree+0x16c/0x210 mm/vmalloc.c:3428) r10:83016170 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:8559edc0 r4:00000000 [<804edf80>] (vfree) from [<80559038>] (execmem_free+0x30/0x50 mm/execmem.c:503) r9:83018605 r8:85655400 r7:00000000 r6:83018600 r5:00001000 r4:7f071000 [<80559008>] (execmem_free) from [<803c5fa0>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1052) r5:00001000 r4:eb987000 [<803c5f90>] (bpf_jit_free_exec) from [<803c6380>] (bpf_jit_binary_free kernel/bpf/core.c:1098 [inline]) [<803c5f90>] (bpf_jit_free_exec) from [<803c6380>] (bpf_jit_free+0x68/0xe4 kernel/bpf/core.c:1221) [<803c6318>] (bpf_jit_free) from [<803c7428>] (bpf_prog_free_deferred+0x140/0x158 kernel/bpf/core.c:2898) r5:8599cf8c r4:85423f80 [<803c72e8>] (bpf_prog_free_deferred) from [<802785a0>] (process_one_work+0x1b4/0x4f4 kernel/workqueue.c:3263) r7:ddde3d80 r6:83018600 r5:8599cf8c r4:85423f80 [<802783ec>] (process_one_work) from [<802791e8>] (process_scheduled_works kernel/workqueue.c:3346 [inline]) [<802783ec>] (process_one_work) from [<802791e8>] (worker_thread+0x1fc/0x3d8 kernel/workqueue.c:3427) r10:61c88647 r9:85655400 r8:85423fac r7:82804d40 r6:ddde3d80 r5:ddde3da0 r4:85423f80 [<80278fec>] (worker_thread) from [<8028020c>] (kthread+0x12c/0x280 kernel/kthread.c:463) r10:00000000 r9:85423f80 r8:80278fec r7:dfc49e60 r6:84c68700 r5:85655400 r4:00000001 [<802800e0>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137) Exception stack(0xdfb59fb0 to 0xdfb59ff8) 9fa0: 00000000 00000000 00000000 00000000 9fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 9fe0: 00000000 00000000 00000000 00000000 00000013 00000000 r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802800e0 r4:85421b40 INFO: task kworker/1:72:4429 is blocked on a mutex likely owned by task kworker/1:48:4332. task:kworker/1:48 state:R running task stack:0 pid:4332 tgid:4332 ppid:2 task_flags:0x4208060 flags:0x00000000 Workqueue: events bpf_prog_free_deferred Call trace: [<81a643fc>] (__schedule) from [<81a657c4>] (preempt_schedule_irq+0x40/0xa8 kernel/sched/core.c:7256) r10:8280c9b4 r9:841a1800 r8:80200c04 r7:dfaa5d54 r6:ffffffff r5:841a1800 r4:00000000 [<81a65784>] (preempt_schedule_irq) from [<80200c24>] (svc_preempt+0x8/0x18) Exception stack(0xdfaa5d20 to 0xdfaa5d68) 5d20: ae18d000 ebc85000 00000001 80239bf8 7f00b000 00000001 82acb1c4 82aca5a0 5d40: 7f00b000 ebc85000 8280c9b4 dfaa5d9c dfaa5da0 dfaa5d70 80230af0 80239c10 5d60: 80000113 ffffffff r5:80000113 r4:80239c10 [<80230a8c>] (flush_tlb_kernel_range) from [<804ea0d0>] (__purge_vmap_area_lazy+0x284/0x458 mm/vmalloc.c:2342) r4:82acb1e4 [<804e9e4c>] (__purge_vmap_area_lazy) from [<804ea488>] (_vm_unmap_aliases+0x1e4/0x240 mm/vmalloc.c:2957) r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:dfaa5dc0 r5:dfaa5e08 r4:dfaa5dc0 [<804ea2a4>] (_vm_unmap_aliases) from [<804ee0ec>] (vm_reset_perms mm/vmalloc.c:3349 [inline]) [<804ea2a4>] (_vm_unmap_aliases) from [<804ee0ec>] (vfree+0x16c/0x210 mm/vmalloc.c:3428) r10:83016170 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:85603140 r4:00000000 [<804edf80>] (vfree) from [<80559038>] (execmem_free+0x30/0x50 mm/execmem.c:503) r9:83018605 r8:841a1800 r7:00000000 r6:83018600 r5:00001000 r4:7f03f000 [<80559008>] (execmem_free) from [<803c5fa0>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1052) r5:00001000 r4:e02bf000 [<803c5f90>] (bpf_jit_free_exec) from [<803c6380>] (bpf_jit_binary_free kernel/bpf/core.c:1098 [inline]) [<803c5f90>] (bpf_jit_free_exec) from [<803c6380>] (bpf_jit_free+0x68/0xe4 kernel/bpf/core.c:1221) [<803c6318>] (bpf_jit_free) from [<803c7428>] (bpf_prog_free_deferred+0x140/0x158 kernel/bpf/core.c:2898) r5:8583d38c r4:84e4ab80 [<803c72e8>] (bpf_prog_free_deferred) from [<802785a0>] (process_one_work+0x1b4/0x4f4 kernel/workqueue.c:3263) r7:ddde3d80 r6:83018600 r5:8583d38c r4:84e4ab80 [<802783ec>] (process_one_work) from [<802791e8>] (process_scheduled_works kernel/workqueue.c:3346 [inline]) [<802783ec>] (process_one_work) from [<802791e8>] (worker_thread+0x1fc/0x3d8 kernel/workqueue.c:3427) r10:61c88647 r9:841a1800 r8:84e4abac r7:82804d40 r6:ddde3d80 r5:ddde3da0 r4:84e4ab80 [<80278fec>] (worker_thread) from [<8028020c>] (kthread+0x12c/0x280 kernel/kthread.c:463) r10:00000000 r9:84e4ab80 r8:80278fec r7:dfae1e60 r6:84e4a080 r5:841a1800 r4:00000001 [<802800e0>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137) Exception stack(0xdfaa5fb0 to 0xdfaa5ff8) 5fa0: 00000000 00000000 00000000 00000000 5fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 5fe0: 00000000 00000000 00000000 00000000 00000013 00000000 r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802800e0 r4:854fcbc0 Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings INFO: task kworker/0:118:4721 blocked for more than 431 seconds. Not tainted syzkaller #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:kworker/0:118 state:D stack:0 pid:4721 tgid:4721 ppid:2 task_flags:0x4208060 flags:0x00000000 Workqueue: events bpf_prog_free_deferred Call trace: [<81a643fc>] (__schedule) from [<81a65390>] (__schedule_loop kernel/sched/core.c:7011 [inline]) [<81a643fc>] (__schedule) from [<81a65390>] (schedule+0x2c/0x130 kernel/sched/core.c:7026) r10:ea56dd84 r9:00000002 r8:60010113 r7:829171a0 r6:ea56dd8c r5:854e2400 r4:854e2400 [<81a65364>] (schedule) from [<81a65778>] (schedule_preempt_disabled+0x18/0x24 kernel/sched/core.c:7083) r5:854e2400 r4:8291719c [<81a65760>] (schedule_preempt_disabled) from [<81a68328>] (__mutex_lock_common kernel/locking/mutex.c:676 [inline]) [<81a65760>] (schedule_preempt_disabled) from [<81a68328>] (__mutex_lock.constprop.0+0x350/0xa24 kernel/locking/mutex.c:760) [<81a67fd8>] (__mutex_lock.constprop.0) from [<81a68ad0>] (__mutex_lock_slowpath+0x14/0x18 kernel/locking/mutex.c:1049) r10:8280c960 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:ea56de08 r4:00000000 [<81a68abc>] (__mutex_lock_slowpath) from [<81a68b10>] (mutex_lock+0x3c/0x40 kernel/locking/mutex.c:274) [<81a68ad4>] (mutex_lock) from [<804ea30c>] (_vm_unmap_aliases+0x68/0x240 mm/vmalloc.c:2918) [<804ea2a4>] (_vm_unmap_aliases) from [<804ee0ec>] (vm_reset_perms mm/vmalloc.c:3349 [inline]) [<804ea2a4>] (_vm_unmap_aliases) from [<804ee0ec>] (vfree+0x16c/0x210 mm/vmalloc.c:3428) r10:83016170 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:854e9800 r4:00000000 [<804edf80>] (vfree) from [<80559038>] (execmem_free+0x30/0x50 mm/execmem.c:503) r9:83018405 r8:854e2400 r7:00000000 r6:83018400 r5:00001000 r4:7f04b000 [<80559008>] (execmem_free) from [<803c5fa0>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1052) r5:00001000 r4:ea6e9000 [<803c5f90>] (bpf_jit_free_exec) from [<803c6380>] (bpf_jit_binary_free kernel/bpf/core.c:1098 [inline]) [<803c5f90>] (bpf_jit_free_exec) from [<803c6380>] (bpf_jit_free+0x68/0xe4 kernel/bpf/core.c:1221) [<803c6318>] (bpf_jit_free) from [<803c7428>] (bpf_prog_free_deferred+0x140/0x158 kernel/bpf/core.c:2898) r5:85863f8c r4:84dd5880 [<803c72e8>] (bpf_prog_free_deferred) from [<802785a0>] (process_one_work+0x1b4/0x4f4 kernel/workqueue.c:3263) r7:dddcfd80 r6:83018400 r5:85863f8c r4:84dd5880 [<802783ec>] (process_one_work) from [<802791e8>] (process_scheduled_works kernel/workqueue.c:3346 [inline]) [<802783ec>] (process_one_work) from [<802791e8>] (worker_thread+0x1fc/0x3d8 kernel/workqueue.c:3427) r10:61c88647 r9:854e2400 r8:84dd58ac r7:82804d40 r6:dddcfd80 r5:dddcfda0 r4:84dd5880 [<80278fec>] (worker_thread) from [<8028020c>] (kthread+0x12c/0x280 kernel/kthread.c:463) r10:00000000 r9:84dd5880 r8:80278fec r7:ea569e60 r6:84dd5800 r5:854e2400 r4:00000001 [<802800e0>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137) Exception stack(0xea56dfb0 to 0xea56dff8) dfa0: 00000000 00000000 00000000 00000000 dfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 dfe0: 00000000 00000000 00000000 00000000 00000013 00000000 r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802800e0 r4:8574dac0 INFO: task kworker/0:118:4721 is blocked on a mutex likely owned by task kworker/1:48:4332. task:kworker/1:48 state:R running task stack:0 pid:4332 tgid:4332 ppid:2 task_flags:0x4208060 flags:0x00000000 Workqueue: events bpf_prog_free_deferred Call trace: [<81a643fc>] (__schedule) from [<81a657c4>] (preempt_schedule_irq+0x40/0xa8 kernel/sched/core.c:7256) r10:8280c9b4 r9:841a1800 r8:80200c04 r7:dfaa5d54 r6:ffffffff r5:841a1800 r4:00000000 [<81a65784>] (preempt_schedule_irq) from [<80200c24>] (svc_preempt+0x8/0x18) Exception stack(0xdfaa5d20 to 0xdfaa5d68) 5d20: ae18d000 ebc85000 00000001 80239bf8 7f00b000 00000001 82acb1c4 82aca5a0 5d40: 7f00b000 ebc85000 8280c9b4 dfaa5d9c dfaa5da0 dfaa5d70 80230af0 80239c10 5d60: 80000113 ffffffff r5:80000113 r4:80239c10 [<80230a8c>] (flush_tlb_kernel_range) from [<804ea0d0>] (__purge_vmap_area_lazy+0x284/0x458 mm/vmalloc.c:2342) r4:82acb1e4 [<804e9e4c>] (__purge_vmap_area_lazy) from [<804ea488>] (_vm_unmap_aliases+0x1e4/0x240 mm/vmalloc.c:2957) r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:dfaa5dc0 r5:dfaa5e08 r4:dfaa5dc0 [<804ea2a4>] (_vm_unmap_aliases) from [<804ee0ec>] (vm_reset_perms mm/vmalloc.c:3349 [inline]) [<804ea2a4>] (_vm_unmap_aliases) from [<804ee0ec>] (vfree+0x16c/0x210 mm/vmalloc.c:3428) r10:83016170 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:85603140 r4:00000000 [<804edf80>] (vfree) from [<80559038>] (execmem_free+0x30/0x50 mm/execmem.c:503) r9:83018605 r8:841a1800 r7:00000000 r6:83018600 r5:00001000 r4:7f03f000 [<80559008>] (execmem_free) from [<803c5fa0>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1052) r5:00001000 r4:e02bf000 [<803c5f90>] (bpf_jit_free_exec) from [<803c6380>] (bpf_jit_binary_free kernel/bpf/core.c:1098 [inline]) [<803c5f90>] (bpf_jit_free_exec) from [<803c6380>] (bpf_jit_free+0x68/0xe4 kernel/bpf/core.c:1221) [<803c6318>] (bpf_jit_free) from [<803c7428>] (bpf_prog_free_deferred+0x140/0x158 kernel/bpf/core.c:2898) r5:8583d38c r4:84e4ab80 [<803c72e8>] (bpf_prog_free_deferred) from [<802785a0>] (process_one_work+0x1b4/0x4f4 kernel/workqueue.c:3263) r7:ddde3d80 r6:83018600 r5:8583d38c r4:84e4ab80 [<802783ec>] (process_one_work) from [<802791e8>] (process_scheduled_works kernel/workqueue.c:3346 [inline]) [<802783ec>] (process_one_work) from [<802791e8>] (worker_thread+0x1fc/0x3d8 kernel/workqueue.c:3427) r10:61c88647 r9:841a1800 r8:84e4abac r7:82804d40 r6:ddde3d80 r5:ddde3da0 r4:84e4ab80 [<80278fec>] (worker_thread) from [<8028020c>] (kthread+0x12c/0x280 kernel/kthread.c:463) r10:00000000 r9:84e4ab80 r8:80278fec r7:dfae1e60 r6:84e4a080 r5:841a1800 r4:00000001 [<802800e0>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137) Exception stack(0xdfaa5fb0 to 0xdfaa5ff8) 5fa0: 00000000 00000000 00000000 00000000 5fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 5fe0: 00000000 00000000 00000000 00000000 00000013 00000000 r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802800e0 r4:854fcbc0 Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings INFO: task kworker/0:120:4800 blocked for more than 431 seconds. Not tainted syzkaller #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:kworker/0:120 state:D stack:0 pid:4800 tgid:4800 ppid:2 task_flags:0x4208060 flags:0x00000000 Workqueue: events bpf_prog_free_deferred Call trace: [<81a643fc>] (__schedule) from [<81a65390>] (__schedule_loop kernel/sched/core.c:7011 [inline]) [<81a643fc>] (__schedule) from [<81a65390>] (schedule+0x2c/0x130 kernel/sched/core.c:7026) r10:ea675d84 r9:00000002 r8:60000113 r7:829171a0 r6:ea675d8c r5:84f4a400 r4:84f4a400 [<81a65364>] (schedule) from [<81a65778>] (schedule_preempt_disabled+0x18/0x24 kernel/sched/core.c:7083) r5:84f4a400 r4:8291719c [<81a65760>] (schedule_preempt_disabled) from [<81a68328>] (__mutex_lock_common kernel/locking/mutex.c:676 [inline]) [<81a65760>] (schedule_preempt_disabled) from [<81a68328>] (__mutex_lock.constprop.0+0x350/0xa24 kernel/locking/mutex.c:760) [<81a67fd8>] (__mutex_lock.constprop.0) from [<81a68ad0>] (__mutex_lock_slowpath+0x14/0x18 kernel/locking/mutex.c:1049) r10:8280c960 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:ea675e08 r4:00000000 [<81a68abc>] (__mutex_lock_slowpath) from [<81a68b10>] (mutex_lock+0x3c/0x40 kernel/locking/mutex.c:274) [<81a68ad4>] (mutex_lock) from [<804ea30c>] (_vm_unmap_aliases+0x68/0x240 mm/vmalloc.c:2918) [<804ea2a4>] (_vm_unmap_aliases) from [<804ee0ec>] (vm_reset_perms mm/vmalloc.c:3349 [inline]) [<804ea2a4>] (_vm_unmap_aliases) from [<804ee0ec>] (vfree+0x16c/0x210 mm/vmalloc.c:3428) r10:83016170 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:84fe54c0 r4:00000000 [<804edf80>] (vfree) from [<80559038>] (execmem_free+0x30/0x50 mm/execmem.c:503) r9:83018405 r8:84f4a400 r7:00000000 r6:83018400 r5:00001000 r4:7f06d000 [<80559008>] (execmem_free) from [<803c5fa0>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1052) r5:00001000 r4:eb933000 [<803c5f90>] (bpf_jit_free_exec) from [<803c6380>] (bpf_jit_binary_free kernel/bpf/core.c:1098 [inline]) [<803c5f90>] (bpf_jit_free_exec) from [<803c6380>] (bpf_jit_free+0x68/0xe4 kernel/bpf/core.c:1221) [<803c6318>] (bpf_jit_free) from [<803c7428>] (bpf_prog_free_deferred+0x140/0x158 kernel/bpf/core.c:2898) r5:8557b78c r4:85610900 [<803c72e8>] (bpf_prog_free_deferred) from [<802785a0>] (process_one_work+0x1b4/0x4f4 kernel/workqueue.c:3263) r7:dddcfd80 r6:83018400 r5:8557b78c r4:85610900 [<802783ec>] (process_one_work) from [<802791e8>] (process_scheduled_works kernel/workqueue.c:3346 [inline]) [<802783ec>] (process_one_work) from [<802791e8>] (worker_thread+0x1fc/0x3d8 kernel/workqueue.c:3427) r10:61c88647 r9:84f4a400 r8:8561092c r7:82804d40 r6:dddcfd80 r5:dddcfda0 r4:85610900 [<80278fec>] (worker_thread) from [<8028020c>] (kthread+0x12c/0x280 kernel/kthread.c:463) r10:00000000 r9:85610900 r8:80278fec r7:ea60de60 r6:85610a80 r5:84f4a400 r4:00000001 [<802800e0>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137) Exception stack(0xea675fb0 to 0xea675ff8) 5fa0: 00000000 00000000 00000000 00000000 5fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 5fe0: 00000000 00000000 00000000 00000000 00000013 00000000 r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802800e0 r4:84fe4600 INFO: task kworker/0:120:4800 is blocked on a mutex likely owned by task kworker/1:48:4332. task:kworker/1:48 state:R running task stack:0 pid:4332 tgid:4332 ppid:2 task_flags:0x4208060 flags:0x00000000 Workqueue: events bpf_prog_free_deferred Call trace: [<81a643fc>] (__schedule) from [<81a657c4>] (preempt_schedule_irq+0x40/0xa8 kernel/sched/core.c:7256) r10:8280c9b4 r9:841a1800 r8:80200c04 r7:dfaa5d54 r6:ffffffff r5:841a1800 r4:00000000 [<81a65784>] (preempt_schedule_irq) from [<80200c24>] (svc_preempt+0x8/0x18) Exception stack(0xdfaa5d20 to 0xdfaa5d68) 5d20: ae18d000 ebc85000 00000001 80239bf8 7f00b000 00000001 82acb1c4 82aca5a0 5d40: 7f00b000 ebc85000 8280c9b4 dfaa5d9c dfaa5da0 dfaa5d70 80230af0 80239c10 5d60: 80000113 ffffffff r5:80000113 r4:80239c10 [<80230a8c>] (flush_tlb_kernel_range) from [<804ea0d0>] (__purge_vmap_area_lazy+0x284/0x458 mm/vmalloc.c:2342) r4:82acb1e4 [<804e9e4c>] (__purge_vmap_area_lazy) from [<804ea488>] (_vm_unmap_aliases+0x1e4/0x240 mm/vmalloc.c:2957) r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:dfaa5dc0 r5:dfaa5e08 r4:dfaa5dc0 [<804ea2a4>] (_vm_unmap_aliases) from [<804ee0ec>] (vm_reset_perms mm/vmalloc.c:3349 [inline]) [<804ea2a4>] (_vm_unmap_aliases) from [<804ee0ec>] (vfree+0x16c/0x210 mm/vmalloc.c:3428) r10:83016170 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:85603140 r4:00000000 [<804edf80>] (vfree) from [<80559038>] (execmem_free+0x30/0x50 mm/execmem.c:503) r9:83018605 r8:841a1800 r7:00000000 r6:83018600 r5:00001000 r4:7f03f000 [<80559008>] (execmem_free) from [<803c5fa0>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1052) r5:00001000 r4:e02bf000 [<803c5f90>] (bpf_jit_free_exec) from [<803c6380>] (bpf_jit_binary_free kernel/bpf/core.c:1098 [inline]) [<803c5f90>] (bpf_jit_free_exec) from [<803c6380>] (bpf_jit_free+0x68/0xe4 kernel/bpf/core.c:1221) [<803c6318>] (bpf_jit_free) from [<803c7428>] (bpf_prog_free_deferred+0x140/0x158 kernel/bpf/core.c:2898) r5:8583d38c r4:84e4ab80 [<803c72e8>] (bpf_prog_free_deferred) from [<802785a0>] (process_one_work+0x1b4/0x4f4 kernel/workqueue.c:3263) r7:ddde3d80 r6:83018600 r5:8583d38c r4:84e4ab80 [<802783ec>] (process_one_work) from [<802791e8>] (process_scheduled_works kernel/workqueue.c:3346 [inline]) [<802783ec>] (process_one_work) from [<802791e8>] (worker_thread+0x1fc/0x3d8 kernel/workqueue.c:3427) r10:61c88647 r9:841a1800 r8:84e4abac r7:82804d40 r6:ddde3d80 r5:ddde3da0 r4:84e4ab80 [<80278fec>] (worker_thread) from [<8028020c>] (kthread+0x12c/0x280 kernel/kthread.c:463) r10:00000000 r9:84e4ab80 r8:80278fec r7:dfae1e60 r6:84e4a080 r5:841a1800 r4:00000001 [<802800e0>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137) Exception stack(0xdfaa5fb0 to 0xdfaa5ff8) 5fa0: 00000000 00000000 00000000 00000000 5fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 5fe0: 00000000 00000000 00000000 00000000 00000013 00000000 r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802800e0 r4:854fcbc0 Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings INFO: task kworker/0:126:4812 blocked for more than 431 seconds. Not tainted syzkaller #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:kworker/0:126 state:D stack:0 pid:4812 tgid:4812 ppid:2 task_flags:0x4208060 flags:0x00000000 Workqueue: events bpf_prog_free_deferred Call trace: [<81a643fc>] (__schedule) from [<81a65390>] (__schedule_loop kernel/sched/core.c:7011 [inline]) [<81a643fc>] (__schedule) from [<81a65390>] (schedule+0x2c/0x130 kernel/sched/core.c:7026) r10:ea6d9d84 r9:00000002 r8:60000113 r7:829171a0 r6:ea6d9d8c r5:85824800 r4:85824800 [<81a65364>] (schedule) from [<81a65778>] (schedule_preempt_disabled+0x18/0x24 kernel/sched/core.c:7083) r5:85824800 r4:8291719c [<81a65760>] (schedule_preempt_disabled) from [<81a68328>] (__mutex_lock_common kernel/locking/mutex.c:676 [inline]) [<81a65760>] (schedule_preempt_disabled) from [<81a68328>] (__mutex_lock.constprop.0+0x350/0xa24 kernel/locking/mutex.c:760) [<81a67fd8>] (__mutex_lock.constprop.0) from [<81a68ad0>] (__mutex_lock_slowpath+0x14/0x18 kernel/locking/mutex.c:1049) r10:8280c960 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:ea6d9e08 r4:00000000 [<81a68abc>] (__mutex_lock_slowpath) from [<81a68b10>] (mutex_lock+0x3c/0x40 kernel/locking/mutex.c:274) [<81a68ad4>] (mutex_lock) from [<804ea30c>] (_vm_unmap_aliases+0x68/0x240 mm/vmalloc.c:2918) [<804ea2a4>] (_vm_unmap_aliases) from [<804ee0ec>] (vm_reset_perms mm/vmalloc.c:3349 [inline]) [<804ea2a4>] (_vm_unmap_aliases) from [<804ee0ec>] (vfree+0x16c/0x210 mm/vmalloc.c:3428) r10:83016170 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:84b21d80 r4:00000000 [<804edf80>] (vfree) from [<80559038>] (execmem_free+0x30/0x50 mm/execmem.c:503) r9:83018405 r8:85824800 r7:00000000 r6:83018400 r5:00001000 r4:7f053000 [<80559008>] (execmem_free) from [<803c5fa0>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1052) r5:00001000 r4:eab3f000 [<803c5f90>] (bpf_jit_free_exec) from [<803c6380>] (bpf_jit_binary_free kernel/bpf/core.c:1098 [inline]) [<803c5f90>] (bpf_jit_free_exec) from [<803c6380>] (bpf_jit_free+0x68/0xe4 kernel/bpf/core.c:1221) [<803c6318>] (bpf_jit_free) from [<803c7428>] (bpf_prog_free_deferred+0x140/0x158 kernel/bpf/core.c:2898) r5:8557878c r4:84fe7100 [<803c72e8>] (bpf_prog_free_deferred) from [<802785a0>] (process_one_work+0x1b4/0x4f4 kernel/workqueue.c:3263) r7:dddcfd80 r6:83018400 r5:8557878c r4:84fe7100 [<802783ec>] (process_one_work) from [<802791e8>] (process_scheduled_works kernel/workqueue.c:3346 [inline]) [<802783ec>] (process_one_work) from [<802791e8>] (worker_thread+0x1fc/0x3d8 kernel/workqueue.c:3427) r10:61c88647 r9:85824800 r8:84fe712c r7:82804d40 r6:dddcfd80 r5:dddcfda0 r4:84fe7100 [<80278fec>] (worker_thread) from [<8028020c>] (kthread+0x12c/0x280 kernel/kthread.c:463) r10:00000000 r9:84fe7100 r8:80278fec r7:ea6a9e60 r6:85433a80 r5:85824800 r4:00000001 [<802800e0>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137) Exception stack(0xea6d9fb0 to 0xea6d9ff8) 9fa0: 00000000 00000000 00000000 00000000 9fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 9fe0: 00000000 00000000 00000000 00000000 00000013 00000000 r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802800e0 r4:8574db80 INFO: task kworker/0:126:4812 is blocked on a mutex likely owned by task kworker/1:48:4332. task:kworker/1:48 state:R running task stack:0 pid:4332 tgid:4332 ppid:2 task_flags:0x4208060 flags:0x00000000 Workqueue: events bpf_prog_free_deferred Call trace: [<81a643fc>] (__schedule) from [<81a657c4>] (preempt_schedule_irq+0x40/0xa8 kernel/sched/core.c:7256) r10:8280c9b4 r9:841a1800 r8:80200c04 r7:dfaa5d54 r6:ffffffff r5:841a1800 r4:00000000 [<81a65784>] (preempt_schedule_irq) from [<80200c24>] (svc_preempt+0x8/0x18) Exception stack(0xdfaa5d20 to 0xdfaa5d68) 5d20: ae18d000 ebc85000 00000001 80239bf8 7f00b000 00000001 82acb1c4 82aca5a0 5d40: 7f00b000 ebc85000 8280c9b4 dfaa5d9c dfaa5da0 dfaa5d70 80230af0 80239c10 5d60: 80000113 ffffffff r5:80000113 r4:80239c10 [<80230a8c>] (flush_tlb_kernel_range) from [<804ea0d0>] (__purge_vmap_area_lazy+0x284/0x458 mm/vmalloc.c:2342) r4:82acb1e4 [<804e9e4c>] (__purge_vmap_area_lazy) from [<804ea488>] (_vm_unmap_aliases+0x1e4/0x240 mm/vmalloc.c:2957) r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:dfaa5dc0 r5:dfaa5e08 r4:dfaa5dc0 [<804ea2a4>] (_vm_unmap_aliases) from [<804ee0ec>] (vm_reset_perms mm/vmalloc.c:3349 [inline]) [<804ea2a4>] (_vm_unmap_aliases) from [<804ee0ec>] (vfree+0x16c/0x210 mm/vmalloc.c:3428) r10:83016170 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:85603140 r4:00000000 [<804edf80>] (vfree) from [<80559038>] (execmem_free+0x30/0x50 mm/execmem.c:503) r9:83018605 r8:841a1800 r7:00000000 r6:83018600 r5:00001000 r4:7f03f000 [<80559008>] (execmem_free) from [<803c5fa0>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1052) r5:00001000 r4:e02bf000 [<803c5f90>] (bpf_jit_free_exec) from [<803c6380>] (bpf_jit_binary_free kernel/bpf/core.c:1098 [inline]) [<803c5f90>] (bpf_jit_free_exec) from [<803c6380>] (bpf_jit_free+0x68/0xe4 kernel/bpf/core.c:1221) [<803c6318>] (bpf_jit_free) from [<803c7428>] (bpf_prog_free_deferred+0x140/0x158 kernel/bpf/core.c:2898) r5:8583d38c r4:84e4ab80 [<803c72e8>] (bpf_prog_free_deferred) from [<802785a0>] (process_one_work+0x1b4/0x4f4 kernel/workqueue.c:3263) r7:ddde3d80 r6:83018600 r5:8583d38c r4:84e4ab80 [<802783ec>] (process_one_work) from [<802791e8>] (process_scheduled_works kernel/workqueue.c:3346 [inline]) [<802783ec>] (process_one_work) from [<802791e8>] (worker_thread+0x1fc/0x3d8 kernel/workqueue.c:3427) r10:61c88647 r9:841a1800 r8:84e4abac r7:82804d40 r6:ddde3d80 r5:ddde3da0 r4:84e4ab80 [<80278fec>] (worker_thread) from [<8028020c>] (kthread+0x12c/0x280 kernel/kthread.c:463) r10:00000000 r9:84e4ab80 r8:80278fec r7:dfae1e60 r6:84e4a080 r5:841a1800 r4:00000001 [<802800e0>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137) Exception stack(0xdfaa5fb0 to 0xdfaa5ff8) 5fa0: 00000000 00000000 00000000 00000000 5fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 5fe0: 00000000 00000000 00000000 00000000 00000013 00000000 r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802800e0 r4:854fcbc0 Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings INFO: task kworker/0:127:4813 blocked for more than 431 seconds. Not tainted syzkaller #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:kworker/0:127 state:D stack:0 pid:4813 tgid:4813 ppid:2 task_flags:0x4208060 flags:0x00000000 Workqueue: events bpf_prog_free_deferred Call trace: [<81a643fc>] (__schedule) from [<81a65390>] (__schedule_loop kernel/sched/core.c:7011 [inline]) [<81a643fc>] (__schedule) from [<81a65390>] (schedule+0x2c/0x130 kernel/sched/core.c:7026) r10:ea6ddd84 r9:00000002 r8:60010113 r7:829171a0 r6:ea6ddd8c r5:85825400 r4:85825400 [<81a65364>] (schedule) from [<81a65778>] (schedule_preempt_disabled+0x18/0x24 kernel/sched/core.c:7083) r5:85825400 r4:8291719c [<81a65760>] (schedule_preempt_disabled) from [<81a68328>] (__mutex_lock_common kernel/locking/mutex.c:676 [inline]) [<81a65760>] (schedule_preempt_disabled) from [<81a68328>] (__mutex_lock.constprop.0+0x350/0xa24 kernel/locking/mutex.c:760) [<81a67fd8>] (__mutex_lock.constprop.0) from [<81a68ad0>] (__mutex_lock_slowpath+0x14/0x18 kernel/locking/mutex.c:1049) r10:8280c960 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:ea6dde08 r4:00000000 [<81a68abc>] (__mutex_lock_slowpath) from [<81a68b10>] (mutex_lock+0x3c/0x40 kernel/locking/mutex.c:274) [<81a68ad4>] (mutex_lock) from [<804ea30c>] (_vm_unmap_aliases+0x68/0x240 mm/vmalloc.c:2918) [<804ea2a4>] (_vm_unmap_aliases) from [<804ee0ec>] (vm_reset_perms mm/vmalloc.c:3349 [inline]) [<804ea2a4>] (_vm_unmap_aliases) from [<804ee0ec>] (vfree+0x16c/0x210 mm/vmalloc.c:3428) r10:83016170 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:85793540 r4:00000000 [<804edf80>] (vfree) from [<80559038>] (execmem_free+0x30/0x50 mm/execmem.c:503) r9:83018405 r8:85825400 r7:00000000 r6:83018400 r5:00001000 r4:7f04f000 [<80559008>] (execmem_free) from [<803c5fa0>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1052) r5:00001000 r4:ea967000 [<803c5f90>] (bpf_jit_free_exec) from [<803c6380>] (bpf_jit_binary_free kernel/bpf/core.c:1098 [inline]) [<803c5f90>] (bpf_jit_free_exec) from [<803c6380>] (bpf_jit_free+0x68/0xe4 kernel/bpf/core.c:1221) [<803c6318>] (bpf_jit_free) from [<803c7428>] (bpf_prog_free_deferred+0x140/0x158 kernel/bpf/core.c:2898) r5:8586238c r4:84fe7180 [<803c72e8>] (bpf_prog_free_deferred) from [<802785a0>] (process_one_work+0x1b4/0x4f4 kernel/workqueue.c:3263) r7:dddcfd80 r6:83018400 r5:8586238c r4:84fe7180 [<802783ec>] (process_one_work) from [<802791e8>] (process_scheduled_works kernel/workqueue.c:3346 [inline]) [<802783ec>] (process_one_work) from [<802791e8>] (worker_thread+0x1fc/0x3d8 kernel/workqueue.c:3427) r10:61c88647 r9:85825400 r8:84fe71ac r7:82804d40 r6:dddcfd80 r5:dddcfda0 r4:84fe7180 [<80278fec>] (worker_thread) from [<8028020c>] (kthread+0x12c/0x280 kernel/kthread.c:463) r10:00000000 r9:84fe7180 r8:80278fec r7:ea6a9e60 r6:85433b80 r5:85825400 r4:00000001 [<802800e0>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137) Exception stack(0xea6ddfb0 to 0xea6ddff8) dfa0: 00000000 00000000 00000000 00000000 dfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 dfe0: 00000000 00000000 00000000 00000000 00000013 00000000 r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802800e0 r4:84fe4480 INFO: task kworker/0:127:4813 is blocked on a mutex likely owned by task kworker/1:48:4332. task:kworker/1:48 state:R running task stack:0 pid:4332 tgid:4332 ppid:2 task_flags:0x4208060 flags:0x00000000 Workqueue: events bpf_prog_free_deferred Call trace: [<81a643fc>] (__schedule) from [<81a657c4>] (preempt_schedule_irq+0x40/0xa8 kernel/sched/core.c:7256) r10:8280c9b4 r9:841a1800 r8:80200c04 r7:dfaa5d54 r6:ffffffff r5:841a1800 r4:00000000 [<81a65784>] (preempt_schedule_irq) from [<80200c24>] (svc_preempt+0x8/0x18) Exception stack(0xdfaa5d20 to 0xdfaa5d68) 5d20: ae18d000 ebc85000 00000001 80239bf8 7f00b000 00000001 82acb1c4 82aca5a0 5d40: 7f00b000 ebc85000 8280c9b4 dfaa5d9c dfaa5da0 dfaa5d70 80230af0 80239c10 5d60: 80000113 ffffffff r5:80000113 r4:80239c10 [<80230a8c>] (flush_tlb_kernel_range) from [<804ea0d0>] (__purge_vmap_area_lazy+0x284/0x458 mm/vmalloc.c:2342) r4:82acb1e4 [<804e9e4c>] (__purge_vmap_area_lazy) from [<804ea488>] (_vm_unmap_aliases+0x1e4/0x240 mm/vmalloc.c:2957) r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:dfaa5dc0 r5:dfaa5e08 r4:dfaa5dc0 [<804ea2a4>] (_vm_unmap_aliases) from [<804ee0ec>] (vm_reset_perms mm/vmalloc.c:3349 [inline]) [<804ea2a4>] (_vm_unmap_aliases) from [<804ee0ec>] (vfree+0x16c/0x210 mm/vmalloc.c:3428) r10:83016170 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:85603140 r4:00000000 [<804edf80>] (vfree) from [<80559038>] (execmem_free+0x30/0x50 mm/execmem.c:503) r9:83018605 r8:841a1800 r7:00000000 r6:83018600 r5:00001000 r4:7f03f000 [<80559008>] (execmem_free) from [<803c5fa0>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1052) r5:00001000 r4:e02bf000 [<803c5f90>] (bpf_jit_free_exec) from [<803c6380>] (bpf_jit_binary_free kernel/bpf/core.c:1098 [inline]) [<803c5f90>] (bpf_jit_free_exec) from [<803c6380>] (bpf_jit_free+0x68/0xe4 kernel/bpf/core.c:1221) [<803c6318>] (bpf_jit_free) from [<803c7428>] (bpf_prog_free_deferred+0x140/0x158 kernel/bpf/core.c:2898) r5:8583d38c r4:84e4ab80 [<803c72e8>] (bpf_prog_free_deferred) from [<802785a0>] (process_one_work+0x1b4/0x4f4 kernel/workqueue.c:3263) r7:ddde3d80 r6:83018600 r5:8583d38c r4:84e4ab80 [<802783ec>] (process_one_work) from [<802791e8>] (process_scheduled_works kernel/workqueue.c:3346 [inline]) [<802783ec>] (process_one_work) from [<802791e8>] (worker_thread+0x1fc/0x3d8 kernel/workqueue.c:3427) r10:61c88647 r9:841a1800 r8:84e4abac r7:82804d40 r6:ddde3d80 r5:ddde3da0 r4:84e4ab80 [<80278fec>] (worker_thread) from [<8028020c>] (kthread+0x12c/0x280 kernel/kthread.c:463) r10:00000000 r9:84e4ab80 r8:80278fec r7:dfae1e60 r6:84e4a080 r5:841a1800 r4:00000001 [<802800e0>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137) Exception stack(0xdfaa5fb0 to 0xdfaa5ff8) 5fa0: 00000000 00000000 00000000 00000000 5fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 5fe0: 00000000 00000000 00000000 00000000 00000013 00000000 r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802800e0 r4:854fcbc0 Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings INFO: task kworker/0:129:4819 blocked for more than 431 seconds. Not tainted syzkaller #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:kworker/0:129 state:D stack:0 pid:4819 tgid:4819 ppid:2 task_flags:0x4208060 flags:0x00000000 Workqueue: events bpf_prog_free_deferred Call trace: [<81a643fc>] (__schedule) from [<81a65390>] (__schedule_loop kernel/sched/core.c:7011 [inline]) [<81a643fc>] (__schedule) from [<81a65390>] (schedule+0x2c/0x130 kernel/sched/core.c:7026) r10:ea6f5d84 r9:00000002 r8:60010113 r7:829171a0 r6:ea6f5d8c r5:85821800 r4:85821800 [<81a65364>] (schedule) from [<81a65778>] (schedule_preempt_disabled+0x18/0x24 kernel/sched/core.c:7083) r5:85821800 r4:8291719c [<81a65760>] (schedule_preempt_disabled) from [<81a68328>] (__mutex_lock_common kernel/locking/mutex.c:676 [inline]) [<81a65760>] (schedule_preempt_disabled) from [<81a68328>] (__mutex_lock.constprop.0+0x350/0xa24 kernel/locking/mutex.c:760) [<81a67fd8>] (__mutex_lock.constprop.0) from [<81a68ad0>] (__mutex_lock_slowpath+0x14/0x18 kernel/locking/mutex.c:1049) r10:8280c960 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:ea6f5e08 r4:00000000 [<81a68abc>] (__mutex_lock_slowpath) from [<81a68b10>] (mutex_lock+0x3c/0x40 kernel/locking/mutex.c:274) [<81a68ad4>] (mutex_lock) from [<804ea30c>] (_vm_unmap_aliases+0x68/0x240 mm/vmalloc.c:2918) [<804ea2a4>] (_vm_unmap_aliases) from [<804ee0ec>] (vm_reset_perms mm/vmalloc.c:3349 [inline]) [<804ea2a4>] (_vm_unmap_aliases) from [<804ee0ec>] (vfree+0x16c/0x210 mm/vmalloc.c:3428) r10:83016170 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:84fe5680 r4:00000000 [<804edf80>] (vfree) from [<80559038>] (execmem_free+0x30/0x50 mm/execmem.c:503) r9:83018405 r8:85821800 r7:00000000 r6:83018400 r5:00001000 r4:7f077000 [<80559008>] (execmem_free) from [<803c5fa0>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1052) r5:00001000 r4:eb9fd000 [<803c5f90>] (bpf_jit_free_exec) from [<803c6380>] (bpf_jit_binary_free kernel/bpf/core.c:1098 [inline]) [<803c5f90>] (bpf_jit_free_exec) from [<803c6380>] (bpf_jit_free+0x68/0xe4 kernel/bpf/core.c:1221) [<803c6318>] (bpf_jit_free) from [<803c7428>] (bpf_prog_free_deferred+0x140/0x158 kernel/bpf/core.c:2898) r5:8557bb8c r4:84fe7280 [<803c72e8>] (bpf_prog_free_deferred) from [<802785a0>] (process_one_work+0x1b4/0x4f4 kernel/workqueue.c:3263) r7:dddcfd80 r6:83018400 r5:8557bb8c r4:84fe7280 [<802783ec>] (process_one_work) from [<802791e8>] (process_scheduled_works kernel/workqueue.c:3346 [inline]) [<802783ec>] (process_one_work) from [<802791e8>] (worker_thread+0x1fc/0x3d8 kernel/workqueue.c:3427) r10:61c88647 r9:85821800 r8:84fe72ac r7:82804d40 r6:dddcfd80 r5:dddcfda0 r4:84fe7280 [<80278fec>] (worker_thread) from [<8028020c>] (kthread+0x12c/0x280 kernel/kthread.c:463) r10:00000000 r9:84fe7280 r8:80278fec r7:ea6d9e60 r6:85433e80 r5:85821800 r4:00000001 [<802800e0>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137) Exception stack(0xea6f5fb0 to 0xea6f5ff8) 5fa0: 00000000 00000000 00000000 00000000 5fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 5fe0: 00000000 00000000 00000000 00000000 00000013 00000000 r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802800e0 r4:8560f0c0 INFO: task kworker/0:129:4819 is blocked on a mutex likely owned by task kworker/1:48:4332. task:kworker/1:48 state:R running task stack:0 pid:4332 tgid:4332 ppid:2 task_flags:0x4208060 flags:0x00000000 Workqueue: events bpf_prog_free_deferred Call trace: [<81a643fc>] (__schedule) from [<81a657c4>] (preempt_schedule_irq+0x40/0xa8 kernel/sched/core.c:7256) r10:8280c9b4 r9:841a1800 r8:80200c04 r7:dfaa5d54 r6:ffffffff r5:841a1800 r4:00000000 [<81a65784>] (preempt_schedule_irq) from [<80200c24>] (svc_preempt+0x8/0x18) Exception stack(0xdfaa5d20 to 0xdfaa5d68) 5d20: ae18d000 ebc85000 00000001 80239bf8 7f00b000 00000001 82acb1c4 82aca5a0 5d40: 7f00b000 ebc85000 8280c9b4 dfaa5d9c dfaa5da0 dfaa5d70 80230af0 80239c10 5d60: 80000113 ffffffff r5:80000113 r4:80239c10 [<80230a8c>] (flush_tlb_kernel_range) from [<804ea0d0>] (__purge_vmap_area_lazy+0x284/0x458 mm/vmalloc.c:2342) r4:82acb1e4 [<804e9e4c>] (__purge_vmap_area_lazy) from [<804ea488>] (_vm_unmap_aliases+0x1e4/0x240 mm/vmalloc.c:2957) r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:dfaa5dc0 r5:dfaa5e08 r4:dfaa5dc0 [<804ea2a4>] (_vm_unmap_aliases) from [<804ee0ec>] (vm_reset_perms mm/vmalloc.c:3349 [inline]) [<804ea2a4>] (_vm_unmap_aliases) from [<804ee0ec>] (vfree+0x16c/0x210 mm/vmalloc.c:3428) r10:83016170 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:85603140 r4:00000000 [<804edf80>] (vfree) from [<80559038>] (execmem_free+0x30/0x50 mm/execmem.c:503) r9:83018605 r8:841a1800 r7:00000000 r6:83018600 r5:00001000 r4:7f03f000 [<80559008>] (execmem_free) from [<803c5fa0>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1052) r5:00001000 r4:e02bf000 [<803c5f90>] (bpf_jit_free_exec) from [<803c6380>] (bpf_jit_binary_free kernel/bpf/core.c:1098 [inline]) [<803c5f90>] (bpf_jit_free_exec) from [<803c6380>] (bpf_jit_free+0x68/0xe4 kernel/bpf/core.c:1221) [<803c6318>] (bpf_jit_free) from [<803c7428>] (bpf_prog_free_deferred+0x140/0x158 kernel/bpf/core.c:2898) r5:8583d38c r4:84e4ab80 [<803c72e8>] (bpf_prog_free_deferred) from [<802785a0>] (process_one_work+0x1b4/0x4f4 kernel/workqueue.c:3263) r7:ddde3d80 r6:83018600 r5:8583d38c r4:84e4ab80 [<802783ec>] (process_one_work) from [<802791e8>] (process_scheduled_works kernel/workqueue.c:3346 [inline]) [<802783ec>] (process_one_work) from [<802791e8>] (worker_thread+0x1fc/0x3d8 kernel/workqueue.c:3427) r10:61c88647 r9:841a1800 r8:84e4abac r7:82804d40 r6:ddde3d80 r5:ddde3da0 r4:84e4ab80 [<80278fec>] (worker_thread) from [<8028020c>] (kthread+0x12c/0x280 kernel/kthread.c:463) r10:00000000 r9:84e4ab80 r8:80278fec r7:dfae1e60 r6:84e4a080 r5:841a1800 r4:00000001 [<802800e0>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137) Exception stack(0xdfaa5fb0 to 0xdfaa5ff8) 5fa0: 00000000 00000000 00000000 00000000 5fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 5fe0: 00000000 00000000 00000000 00000000 00000013 00000000 r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802800e0 r4:854fcbc0 Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings INFO: task kworker/0:131:4824 blocked for more than 431 seconds. Not tainted syzkaller #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:kworker/0:131 state:D stack:0 pid:4824 tgid:4824 ppid:2 task_flags:0x4208060 flags:0x00000000 Workqueue: events bpf_prog_free_deferred Call trace: [<81a643fc>] (__schedule) from [<81a65390>] (__schedule_loop kernel/sched/core.c:7011 [inline]) [<81a643fc>] (__schedule) from [<81a65390>] (schedule+0x2c/0x130 kernel/sched/core.c:7026) r10:ea72dd84 r9:00000002 r8:60000113 r7:829171a0 r6:ea72dd8c r5:85830c00 r4:85830c00 [<81a65364>] (schedule) from [<81a65778>] (schedule_preempt_disabled+0x18/0x24 kernel/sched/core.c:7083) r5:85830c00 r4:8291719c [<81a65760>] (schedule_preempt_disabled) from [<81a68328>] (__mutex_lock_common kernel/locking/mutex.c:676 [inline]) [<81a65760>] (schedule_preempt_disabled) from [<81a68328>] (__mutex_lock.constprop.0+0x350/0xa24 kernel/locking/mutex.c:760) [<81a67fd8>] (__mutex_lock.constprop.0) from [<81a68ad0>] (__mutex_lock_slowpath+0x14/0x18 kernel/locking/mutex.c:1049) r10:8280c960 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:ea72de08 r4:00000000 [<81a68abc>] (__mutex_lock_slowpath) from [<81a68b10>] (mutex_lock+0x3c/0x40 kernel/locking/mutex.c:274) [<81a68ad4>] (mutex_lock) from [<804ea30c>] (_vm_unmap_aliases+0x68/0x240 mm/vmalloc.c:2918) [<804ea2a4>] (_vm_unmap_aliases) from [<804ee0ec>] (vm_reset_perms mm/vmalloc.c:3349 [inline]) [<804ea2a4>] (_vm_unmap_aliases) from [<804ee0ec>] (vfree+0x16c/0x210 mm/vmalloc.c:3428) r10:83016170 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:856def40 r4:00000000 [<804edf80>] (vfree) from [<80559038>] (execmem_free+0x30/0x50 mm/execmem.c:503) r9:83018405 r8:85830c00 r7:00000000 r6:83018400 r5:00001000 r4:7f051000 [<80559008>] (execmem_free) from [<803c5fa0>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1052) r5:00001000 r4:eaa45000 [<803c5f90>] (bpf_jit_free_exec) from [<803c6380>] (bpf_jit_binary_free kernel/bpf/core.c:1098 [inline]) [<803c5f90>] (bpf_jit_free_exec) from [<803c6380>] (bpf_jit_free+0x68/0xe4 kernel/bpf/core.c:1221) [<803c6318>] (bpf_jit_free) from [<803c7428>] (bpf_prog_free_deferred+0x140/0x158 kernel/bpf/core.c:2898) r5:858d8b8c r4:84fe7380 [<803c72e8>] (bpf_prog_free_deferred) from [<802785a0>] (process_one_work+0x1b4/0x4f4 kernel/workqueue.c:3263) r7:dddcfd80 r6:83018400 r5:858d8b8c r4:84fe7380 [<802783ec>] (process_one_work) from [<802791e8>] (process_scheduled_works kernel/workqueue.c:3346 [inline]) [<802783ec>] (process_one_work) from [<802791e8>] (worker_thread+0x1fc/0x3d8 kernel/workqueue.c:3427) r10:61c88647 r9:85830c00 r8:84fe73ac r7:82804d40 r6:dddcfd80 r5:dddcfda0 r4:84fe7380 [<80278fec>] (worker_thread) from [<8028020c>] (kthread+0x12c/0x280 kernel/kthread.c:463) r10:00000000 r9:84fe7380 r8:80278fec r7:ea721e60 r6:85583180 r5:85830c00 r4:00000001 [<802800e0>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137) Exception stack(0xea72dfb0 to 0xea72dff8) dfa0: 00000000 00000000 00000000 00000000 dfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 dfe0: 00000000 00000000 00000000 00000000 00000013 00000000 r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802800e0 r4:856130c0 INFO: task kworker/0:131:4824 is blocked on a mutex likely owned by task kworker/1:48:4332. task:kworker/1:48 state:R running task stack:0 pid:4332 tgid:4332 ppid:2 task_flags:0x4208060 flags:0x00000000 Workqueue: events bpf_prog_free_deferred Call trace: [<81a643fc>] (__schedule) from [<81a657c4>] (preempt_schedule_irq+0x40/0xa8 kernel/sched/core.c:7256) r10:8280c9b4 r9:841a1800 r8:80200c04 r7:dfaa5d54 r6:ffffffff r5:841a1800 r4:00000000 [<81a65784>] (preempt_schedule_irq) from [<80200c24>] (svc_preempt+0x8/0x18) Exception stack(0xdfaa5d20 to 0xdfaa5d68) 5d20: ae18d000 ebc85000 00000001 80239bf8 7f00b000 00000001 82acb1c4 82aca5a0 5d40: 7f00b000 ebc85000 8280c9b4 dfaa5d9c dfaa5da0 dfaa5d70 80230af0 80239c10 5d60: 80000113 ffffffff r5:80000113 r4:80239c10 [<80230a8c>] (flush_tlb_kernel_range) from [<804ea0d0>] (__purge_vmap_area_lazy+0x284/0x458 mm/vmalloc.c:2342) r4:82acb1e4 [<804e9e4c>] (__purge_vmap_area_lazy) from [<804ea488>] (_vm_unmap_aliases+0x1e4/0x240 mm/vmalloc.c:2957) r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:dfaa5dc0 r5:dfaa5e08 r4:dfaa5dc0 [<804ea2a4>] (_vm_unmap_aliases) from [<804ee0ec>] (vm_reset_perms mm/vmalloc.c:3349 [inline]) [<804ea2a4>] (_vm_unmap_aliases) from [<804ee0ec>] (vfree+0x16c/0x210 mm/vmalloc.c:3428) r10:83016170 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:85603140 r4:00000000 [<804edf80>] (vfree) from [<80559038>] (execmem_free+0x30/0x50 mm/execmem.c:503) r9:83018605 r8:841a1800 r7:00000000 r6:83018600 r5:00001000 r4:7f03f000 [<80559008>] (execmem_free) from [<803c5fa0>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1052) r5:00001000 r4:e02bf000 [<803c5f90>] (bpf_jit_free_exec) from [<803c6380>] (bpf_jit_binary_free kernel/bpf/core.c:1098 [inline]) [<803c5f90>] (bpf_jit_free_exec) from [<803c6380>] (bpf_jit_free+0x68/0xe4 kernel/bpf/core.c:1221) [<803c6318>] (bpf_jit_free) from [<803c7428>] (bpf_prog_free_deferred+0x140/0x158 kernel/bpf/core.c:2898) r5:8583d38c r4:84e4ab80 [<803c72e8>] (bpf_prog_free_deferred) from [<802785a0>] (process_one_work+0x1b4/0x4f4 kernel/workqueue.c:3263) r7:ddde3d80 r6:83018600 r5:8583d38c r4:84e4ab80 [<802783ec>] (process_one_work) from [<802791e8>] (process_scheduled_works kernel/workqueue.c:3346 [inline]) [<802783ec>] (process_one_work) from [<802791e8>] (worker_thread+0x1fc/0x3d8 kernel/workqueue.c:3427) r10:61c88647 r9:841a1800 r8:84e4abac r7:82804d40 r6:ddde3d80 r5:ddde3da0 r4:84e4ab80 [<80278fec>] (worker_thread) from [<8028020c>] (kthread+0x12c/0x280 kernel/kthread.c:463) r10:00000000 r9:84e4ab80 r8:80278fec r7:dfae1e60 r6:84e4a080 r5:841a1800 r4:00000001 [<802800e0>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137) Exception stack(0xdfaa5fb0 to 0xdfaa5ff8) 5fa0: 00000000 00000000 00000000 00000000 5fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 5fe0: 00000000 00000000 00000000 00000000 00000013 00000000 r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802800e0 r4:854fcbc0 Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings INFO: task kworker/0:133:4830 blocked for more than 431 seconds. Not tainted syzkaller #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:kworker/0:133 state:D stack:0 pid:4830 tgid:4830 ppid:2 task_flags:0x4208060 flags:0x00000000 Workqueue: events bpf_prog_free_deferred Call trace: [<81a643fc>] (__schedule) from [<81a65390>] (__schedule_loop kernel/sched/core.c:7011 [inline]) [<81a643fc>] (__schedule) from [<81a65390>] (schedule+0x2c/0x130 kernel/sched/core.c:7026) r10:ea799d84 r9:00000002 r8:60000113 r7:829171a0 r6:ea799d8c r5:84f4ec00 r4:84f4ec00 [<81a65364>] (schedule) from [<81a65778>] (schedule_preempt_disabled+0x18/0x24 kernel/sched/core.c:7083) r5:84f4ec00 r4:8291719c [<81a65760>] (schedule_preempt_disabled) from [<81a68328>] (__mutex_lock_common kernel/locking/mutex.c:676 [inline]) [<81a65760>] (schedule_preempt_disabled) from [<81a68328>] (__mutex_lock.constprop.0+0x350/0xa24 kernel/locking/mutex.c:760) [<81a67fd8>] (__mutex_lock.constprop.0) from [<81a68ad0>] (__mutex_lock_slowpath+0x14/0x18 kernel/locking/mutex.c:1049) r10:8280c960 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:ea799e08 r4:00000000 [<81a68abc>] (__mutex_lock_slowpath) from [<81a68b10>] (mutex_lock+0x3c/0x40 kernel/locking/mutex.c:274) [<81a68ad4>] (mutex_lock) from [<804ea30c>] (_vm_unmap_aliases+0x68/0x240 mm/vmalloc.c:2918) [<804ea2a4>] (_vm_unmap_aliases) from [<804ee0ec>] (vm_reset_perms mm/vmalloc.c:3349 [inline]) [<804ea2a4>] (_vm_unmap_aliases) from [<804ee0ec>] (vfree+0x16c/0x210 mm/vmalloc.c:3428) r10:83016170 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:84fe57c0 r4:00000000 [<804edf80>] (vfree) from [<80559038>] (execmem_free+0x30/0x50 mm/execmem.c:503) r9:83018405 r8:84f4ec00 r7:00000000 r6:83018400 r5:00001000 r4:7f055000 [<80559008>] (execmem_free) from [<803c5fa0>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1052) r5:00001000 r4:eabe9000 [<803c5f90>] (bpf_jit_free_exec) from [<803c6380>] (bpf_jit_binary_free kernel/bpf/core.c:1098 [inline]) [<803c5f90>] (bpf_jit_free_exec) from [<803c6380>] (bpf_jit_free+0x68/0xe4 kernel/bpf/core.c:1221) [<803c6318>] (bpf_jit_free) from [<803c7428>] (bpf_prog_free_deferred+0x140/0x158 kernel/bpf/core.c:2898) r5:85579f8c r4:84fe7600 [<803c72e8>] (bpf_prog_free_deferred) from [<802785a0>] (process_one_work+0x1b4/0x4f4 kernel/workqueue.c:3263) r7:dddcfd80 r6:83018400 r5:85579f8c r4:84fe7600 [<802783ec>] (process_one_work) from [<802791e8>] (process_scheduled_works kernel/workqueue.c:3346 [inline]) [<802783ec>] (process_one_work) from [<802791e8>] (worker_thread+0x1fc/0x3d8 kernel/workqueue.c:3427) r10:61c88647 r9:84f4ec00 r8:84fe762c r7:82804d40 r6:dddcfd80 r5:dddcfda0 r4:84fe7600 [<80278fec>] (worker_thread) from [<8028020c>] (kthread+0x12c/0x280 kernel/kthread.c:463) r10:00000000 r9:84fe7600 r8:80278fec r7:ea6f5e60 r6:84fe7680 r5:84f4ec00 r4:00000001 [<802800e0>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137) Exception stack(0xea799fb0 to 0xea799ff8) 9fa0: 00000000 00000000 00000000 00000000 9fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 9fe0: 00000000 00000000 00000000 00000000 00000013 00000000 r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802800e0 r4:85613d00 INFO: task kworker/0:133:4830 is blocked on a mutex likely owned by task kworker/1:48:4332. task:kworker/1:48 state:R running task stack:0 pid:4332 tgid:4332 ppid:2 task_flags:0x4208060 flags:0x00000000 Workqueue: events bpf_prog_free_deferred Call trace: [<81a643fc>] (__schedule) from [<81a657c4>] (preempt_schedule_irq+0x40/0xa8 kernel/sched/core.c:7256) r10:8280c9b4 r9:841a1800 r8:80200c04 r7:dfaa5d54 r6:ffffffff r5:841a1800 r4:00000000 [<81a65784>] (preempt_schedule_irq) from [<80200c24>] (svc_preempt+0x8/0x18) Exception stack(0xdfaa5d20 to 0xdfaa5d68) 5d20: ae18d000 ebc85000 00000001 80239bf8 7f00b000 00000001 82acb1c4 82aca5a0 5d40: 7f00b000 ebc85000 8280c9b4 dfaa5d9c dfaa5da0 dfaa5d70 80230af0 80239c10 5d60: 80000113 ffffffff r5:80000113 r4:80239c10 [<80230a8c>] (flush_tlb_kernel_range) from [<804ea0d0>] (__purge_vmap_area_lazy+0x284/0x458 mm/vmalloc.c:2342) r4:82acb1e4 [<804e9e4c>] (__purge_vmap_area_lazy) from [<804ea488>] (_vm_unmap_aliases+0x1e4/0x240 mm/vmalloc.c:2957) r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:dfaa5dc0 r5:dfaa5e08 r4:dfaa5dc0 [<804ea2a4>] (_vm_unmap_aliases) from [<804ee0ec>] (vm_reset_perms mm/vmalloc.c:3349 [inline]) [<804ea2a4>] (_vm_unmap_aliases) from [<804ee0ec>] (vfree+0x16c/0x210 mm/vmalloc.c:3428) r10:83016170 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:85603140 r4:00000000 [<804edf80>] (vfree) from [<80559038>] (execmem_free+0x30/0x50 mm/execmem.c:503) r9:83018605 r8:841a1800 r7:00000000 r6:83018600 r5:00001000 r4:7f03f000 [<80559008>] (execmem_free) from [<803c5fa0>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1052) r5:00001000 r4:e02bf000 [<803c5f90>] (bpf_jit_free_exec) from [<803c6380>] (bpf_jit_binary_free kernel/bpf/core.c:1098 [inline]) [<803c5f90>] (bpf_jit_free_exec) from [<803c6380>] (bpf_jit_free+0x68/0xe4 kernel/bpf/core.c:1221) [<803c6318>] (bpf_jit_free) from [<803c7428>] (bpf_prog_free_deferred+0x140/0x158 kernel/bpf/core.c:2898) r5:8583d38c r4:84e4ab80 [<803c72e8>] (bpf_prog_free_deferred) from [<802785a0>] (process_one_work+0x1b4/0x4f4 kernel/workqueue.c:3263) r7:ddde3d80 r6:83018600 r5:8583d38c r4:84e4ab80 [<802783ec>] (process_one_work) from [<802791e8>] (process_scheduled_works kernel/workqueue.c:3346 [inline]) [<802783ec>] (process_one_work) from [<802791e8>] (worker_thread+0x1fc/0x3d8 kernel/workqueue.c:3427) r10:61c88647 r9:841a1800 r8:84e4abac r7:82804d40 r6:ddde3d80 r5:ddde3da0 r4:84e4ab80 [<80278fec>] (worker_thread) from [<8028020c>] (kthread+0x12c/0x280 kernel/kthread.c:463) r10:00000000 r9:84e4ab80 r8:80278fec r7:dfae1e60 r6:84e4a080 r5:841a1800 r4:00000001 [<802800e0>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137) Exception stack(0xdfaa5fb0 to 0xdfaa5ff8) 5fa0: 00000000 00000000 00000000 00000000 5fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 5fe0: 00000000 00000000 00000000 00000000 00000013 00000000 r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802800e0 r4:854fcbc0 Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings NMI backtrace for cpu 0 CPU: 0 UID: 0 PID: 30 Comm: khungtaskd Not tainted syzkaller #0 PREEMPT Hardware name: ARM-Versatile Express Call trace: [<80201a24>] (dump_backtrace) from [<80201b20>] (show_stack+0x18/0x1c arch/arm/kernel/traps.c:257) r7:00000000 r6:00000013 r5:60000093 r4:82252738 [<80201b08>] (show_stack) from [<8021f8f8>] (__dump_stack lib/dump_stack.c:94 [inline]) [<80201b08>] (show_stack) from [<8021f8f8>] (dump_stack_lvl+0x70/0x7c lib/dump_stack.c:120) [<8021f888>] (dump_stack_lvl) from [<8021f91c>] (dump_stack+0x18/0x1c lib/dump_stack.c:129) r5:00000000 r4:00000001 [<8021f904>] (dump_stack) from [<81a4e014>] (nmi_cpu_backtrace+0x160/0x17c lib/nmi_backtrace.c:113) [<81a4deb4>] (nmi_cpu_backtrace) from [<81a4e160>] (nmi_trigger_cpumask_backtrace+0x130/0x1d8 lib/nmi_backtrace.c:62) r7:00000000 r6:8280c690 r5:8281ae34 r4:ffffffff [<81a4e030>] (nmi_trigger_cpumask_backtrace) from [<802304fc>] (arch_trigger_cpumask_backtrace+0x18/0x1c arch/arm/kernel/smp.c:852) r9:8281ba28 r8:8280c810 r7:0002ee2a r6:00007b94 r5:82abf7d4 r4:85d5ff0c [<802304e4>] (arch_trigger_cpumask_backtrace) from [<8037faf8>] (trigger_all_cpu_backtrace include/linux/nmi.h:160 [inline]) [<802304e4>] (arch_trigger_cpumask_backtrace) from [<8037faf8>] (check_hung_uninterruptible_tasks kernel/hung_task.c:332 [inline]) [<802304e4>] (arch_trigger_cpumask_backtrace) from [<8037faf8>] (watchdog+0x5d0/0x850 kernel/hung_task.c:495) [<8037f528>] (watchdog) from [<8028020c>] (kthread+0x12c/0x280 kernel/kthread.c:463) r10:00000000 r9:00000000 r8:8037f528 r7:830d6a80 r6:830d6a80 r5:8321c800 r4:00000001 [<802800e0>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137) Exception stack(0xdf8d9fb0 to 0xdf8d9ff8) 9fa0: 00000000 00000000 00000000 00000000 9fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 9fe0: 00000000 00000000 00000000 00000000 00000013 00000000 r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802800e0 r4:833cd6c0 Sending NMI from CPU 0 to CPUs 1: NMI backtrace for cpu 1 CPU: 1 UID: 0 PID: 2819 Comm: pr/ttyAMA-1 Not tainted syzkaller #0 PREEMPT Hardware name: ARM-Versatile Express PC is at __raw_spin_unlock_irqrestore include/linux/spinlock_api_smp.h:152 [inline] PC is at _raw_spin_unlock_irqrestore+0x28/0x54 kernel/locking/spinlock.c:194 LR is at spin_unlock_irqrestore include/linux/spinlock.h:406 [inline] LR is at __uart_port_unlock_irqrestore include/linux/serial_core.h:616 [inline] LR is at pl011_console_device_unlock+0x20/0x24 drivers/tty/serial/amba-pl011.c:2603 pc : [<81a6e264>] lr : [<80a8f568>] psr: 60000113 sp : eb001eb0 ip : eb001ec0 fp : eb001ebc r10: 82959594 r9 : 00000001 r8 : 00000000 r7 : 00000117 r6 : 829594f8 r5 : 00000000 r4 : 00000001 r3 : 00000c37 r2 : 00000000 r1 : 60000113 r0 : 84073440 Flags: nZCv IRQs on FIQs on Mode SVC_32 ISA ARM Segment none Control: 30c5387d Table: 84daa440 DAC: 00000000 Call trace: [<81a6e23c>] (_raw_spin_unlock_irqrestore) from [<80a8f568>] (spin_unlock_irqrestore include/linux/spinlock.h:406 [inline]) [<81a6e23c>] (_raw_spin_unlock_irqrestore) from [<80a8f568>] (__uart_port_unlock_irqrestore include/linux/serial_core.h:616 [inline]) [<81a6e23c>] (_raw_spin_unlock_irqrestore) from [<80a8f568>] (pl011_console_device_unlock+0x20/0x24 drivers/tty/serial/amba-pl011.c:2603) [<80a8f548>] (pl011_console_device_unlock) from [<802e3750>] (nbcon_emit_one+0x88/0x100 kernel/printk/nbcon.c:1142) [<802e36c8>] (nbcon_emit_one) from [<802e3970>] (nbcon_kthread_func+0x1a8/0x2a4 kernel/printk/nbcon.c:1229) r6:8280c690 r5:83b14800 r4:829594f8 [<802e37c8>] (nbcon_kthread_func) from [<8028020c>] (kthread+0x12c/0x280 kernel/kthread.c:463) r10:00000000 r9:829594f8 r8:802e37c8 r7:844e1b80 r6:844e1b80 r5:83b14800 r4:00000001 [<802800e0>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137) Exception stack(0xeb001fb0 to 0xeb001ff8) 1fa0: 00000000 00000000 00000000 00000000 1fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 1fe0: 00000000 00000000 00000000 00000000 00000013 00000000 r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802800e0 r4:848b2dc0 final repro crashed as (corrupted=false): INFO: task kworker/1:3:2885 blocked for more than 430 seconds. Not tainted syzkaller #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:kworker/1:3 state:D stack:0 pid:2885 tgid:2885 ppid:2 task_flags:0x4208060 flags:0x00000000 Workqueue: events bpf_prog_free_deferred Call trace: [<81a643fc>] (__schedule) from [<81a65390>] (__schedule_loop kernel/sched/core.c:7011 [inline]) [<81a643fc>] (__schedule) from [<81a65390>] (schedule+0x2c/0x130 kernel/sched/core.c:7026) r10:eb005d84 r9:00000002 r8:60000113 r7:829171a0 r6:eb005d8c r5:83ff8000 r4:83ff8000 [<81a65364>] (schedule) from [<81a65778>] (schedule_preempt_disabled+0x18/0x24 kernel/sched/core.c:7083) r5:83ff8000 r4:8291719c [<81a65760>] (schedule_preempt_disabled) from [<81a68328>] (__mutex_lock_common kernel/locking/mutex.c:676 [inline]) [<81a65760>] (schedule_preempt_disabled) from [<81a68328>] (__mutex_lock.constprop.0+0x350/0xa24 kernel/locking/mutex.c:760) [<81a67fd8>] (__mutex_lock.constprop.0) from [<81a68ad0>] (__mutex_lock_slowpath+0x14/0x18 kernel/locking/mutex.c:1049) r10:8280c960 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:eb005e08 r4:00000000 [<81a68abc>] (__mutex_lock_slowpath) from [<81a68b10>] (mutex_lock+0x3c/0x40 kernel/locking/mutex.c:274) [<81a68ad4>] (mutex_lock) from [<804ea30c>] (_vm_unmap_aliases+0x68/0x240 mm/vmalloc.c:2918) [<804ea2a4>] (_vm_unmap_aliases) from [<804ee0ec>] (vm_reset_perms mm/vmalloc.c:3349 [inline]) [<804ea2a4>] (_vm_unmap_aliases) from [<804ee0ec>] (vfree+0x16c/0x210 mm/vmalloc.c:3428) r10:83016170 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:85608200 r4:00000000 [<804edf80>] (vfree) from [<80559038>] (execmem_free+0x30/0x50 mm/execmem.c:503) r9:83018605 r8:83ff8000 r7:00000000 r6:83018600 r5:00001000 r4:7f063000 [<80559008>] (execmem_free) from [<803c5fa0>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1052) r5:00001000 r4:dfa3f000 [<803c5f90>] (bpf_jit_free_exec) from [<803c6380>] (bpf_jit_binary_free kernel/bpf/core.c:1098 [inline]) [<803c5f90>] (bpf_jit_free_exec) from [<803c6380>] (bpf_jit_free+0x68/0xe4 kernel/bpf/core.c:1221) [<803c6318>] (bpf_jit_free) from [<803c7428>] (bpf_prog_free_deferred+0x140/0x158 kernel/bpf/core.c:2898) r5:8583cf8c r4:8450a180 [<803c72e8>] (bpf_prog_free_deferred) from [<802785a0>] (process_one_work+0x1b4/0x4f4 kernel/workqueue.c:3263) r7:ddde3d80 r6:83018600 r5:8583cf8c r4:8450a180 [<802783ec>] (process_one_work) from [<802791e8>] (process_scheduled_works kernel/workqueue.c:3346 [inline]) [<802783ec>] (process_one_work) from [<802791e8>] (worker_thread+0x1fc/0x3d8 kernel/workqueue.c:3427) r10:61c88647 r9:83ff8000 r8:8450a1ac r7:82804d40 r6:ddde3d80 r5:ddde3da0 r4:8450a180 [<80278fec>] (worker_thread) from [<8028020c>] (kthread+0x12c/0x280 kernel/kthread.c:463) r10:00000000 r9:8450a180 r8:80278fec r7:ea6c9e60 r6:8450a200 r5:83ff8000 r4:00000001 [<802800e0>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137) Exception stack(0xeb005fb0 to 0xeb005ff8) 5fa0: 00000000 00000000 00000000 00000000 5fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 5fe0: 00000000 00000000 00000000 00000000 00000013 00000000 r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802800e0 r4:84507840 INFO: task kworker/1:3:2885 is blocked on a mutex likely owned by task kworker/1:48:4332. task:kworker/1:48 state:R running task stack:0 pid:4332 tgid:4332 ppid:2 task_flags:0x4208060 flags:0x00000000 Workqueue: events bpf_prog_free_deferred Call trace: [<81a643fc>] (__schedule) from [<81a657c4>] (preempt_schedule_irq+0x40/0xa8 kernel/sched/core.c:7256) r10:8280c9b4 r9:841a1800 r8:80200c04 r7:dfaa5d54 r6:ffffffff r5:841a1800 r4:00000000 [<81a65784>] (preempt_schedule_irq) from [<80200c24>] (svc_preempt+0x8/0x18) Exception stack(0xdfaa5d20 to 0xdfaa5d68) 5d20: abef2000 ebc85000 00000001 80239bf8 7f00b000 00000001 82acb1c4 82aca5a0 5d40: 7f00b000 ebc85000 8280c9b4 dfaa5d9c dfaa5da0 dfaa5d70 80230af0 80239c10 5d60: 80000113 ffffffff r5:80000113 r4:80239c10 [<80230a8c>] (flush_tlb_kernel_range) from [<804ea0d0>] (__purge_vmap_area_lazy+0x284/0x458 mm/vmalloc.c:2342) r4:82acb1e4 [<804e9e4c>] (__purge_vmap_area_lazy) from [<804ea488>] (_vm_unmap_aliases+0x1e4/0x240 mm/vmalloc.c:2957) r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:dfaa5dc0 r5:dfaa5e08 r4:dfaa5dc0 [<804ea2a4>] (_vm_unmap_aliases) from [<804ee0ec>] (vm_reset_perms mm/vmalloc.c:3349 [inline]) [<804ea2a4>] (_vm_unmap_aliases) from [<804ee0ec>] (vfree+0x16c/0x210 mm/vmalloc.c:3428) r10:83016170 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:85603140 r4:00000000 [<804edf80>] (vfree) from [<80559038>] (execmem_free+0x30/0x50 mm/execmem.c:503) r9:83018605 r8:841a1800 r7:00000000 r6:83018600 r5:00001000 r4:7f03f000 [<80559008>] (execmem_free) from [<803c5fa0>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1052) r5:00001000 r4:e02bf000 [<803c5f90>] (bpf_jit_free_exec) from [<803c6380>] (bpf_jit_binary_free kernel/bpf/core.c:1098 [inline]) [<803c5f90>] (bpf_jit_free_exec) from [<803c6380>] (bpf_jit_free+0x68/0xe4 kernel/bpf/core.c:1221) [<803c6318>] (bpf_jit_free) from [<803c7428>] (bpf_prog_free_deferred+0x140/0x158 kernel/bpf/core.c:2898) r5:8583d38c r4:84e4ab80 [<803c72e8>] (bpf_prog_free_deferred) from [<802785a0>] (process_one_work+0x1b4/0x4f4 kernel/workqueue.c:3263) r7:ddde3d80 r6:83018600 r5:8583d38c r4:84e4ab80 [<802783ec>] (process_one_work) from [<802791e8>] (process_scheduled_works kernel/workqueue.c:3346 [inline]) [<802783ec>] (process_one_work) from [<802791e8>] (worker_thread+0x1fc/0x3d8 kernel/workqueue.c:3427) r10:61c88647 r9:841a1800 r8:84e4abac r7:82804d40 r6:ddde3d80 r5:ddde3da0 r4:84e4ab80 [<80278fec>] (worker_thread) from [<8028020c>] (kthread+0x12c/0x280 kernel/kthread.c:463) r10:00000000 r9:84e4ab80 r8:80278fec r7:dfae1e60 r6:84e4a080 r5:841a1800 r4:00000001 [<802800e0>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137) Exception stack(0xdfaa5fb0 to 0xdfaa5ff8) 5fa0: 00000000 00000000 00000000 00000000 5fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 5fe0: 00000000 00000000 00000000 00000000 00000013 00000000 r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802800e0 r4:854fcbc0 INFO: task kworker/1:2:3598 blocked for more than 430 seconds. Not tainted syzkaller #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:kworker/1:2 state:D stack:0 pid:3598 tgid:3598 ppid:2 task_flags:0x4208060 flags:0x00000000 Workqueue: events bpf_prog_free_deferred Call trace: [<81a643fc>] (__schedule) from [<81a65390>] (__schedule_loop kernel/sched/core.c:7011 [inline]) [<81a643fc>] (__schedule) from [<81a65390>] (schedule+0x2c/0x130 kernel/sched/core.c:7026) r10:dfc39d84 r9:00000002 r8:600b0113 r7:829171a0 r6:dfc39d8c r5:83981800 r4:83981800 [<81a65364>] (schedule) from [<81a65778>] (schedule_preempt_disabled+0x18/0x24 kernel/sched/core.c:7083) r5:83981800 r4:8291719c [<81a65760>] (schedule_preempt_disabled) from [<81a68328>] (__mutex_lock_common kernel/locking/mutex.c:676 [inline]) [<81a65760>] (schedule_preempt_disabled) from [<81a68328>] (__mutex_lock.constprop.0+0x350/0xa24 kernel/locking/mutex.c:760) [<81a67fd8>] (__mutex_lock.constprop.0) from [<81a68ad0>] (__mutex_lock_slowpath+0x14/0x18 kernel/locking/mutex.c:1049) r10:8280c960 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:dfc39e08 r4:00000000 [<81a68abc>] (__mutex_lock_slowpath) from [<81a68b10>] (mutex_lock+0x3c/0x40 kernel/locking/mutex.c:274) [<81a68ad4>] (mutex_lock) from [<804ea30c>] (_vm_unmap_aliases+0x68/0x240 mm/vmalloc.c:2918) [<804ea2a4>] (_vm_unmap_aliases) from [<804ee0ec>] (vm_reset_perms mm/vmalloc.c:3349 [inline]) [<804ea2a4>] (_vm_unmap_aliases) from [<804ee0ec>] (vfree+0x16c/0x210 mm/vmalloc.c:3428) r10:83016170 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:8559ed00 r4:00000000 [<804edf80>] (vfree) from [<80559038>] (execmem_free+0x30/0x50 mm/execmem.c:503) r9:83018605 r8:83981800 r7:00000000 r6:83018600 r5:00001000 r4:7f06b000 [<80559008>] (execmem_free) from [<803c5fa0>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1052) r5:00001000 r4:eb907000 [<803c5f90>] (bpf_jit_free_exec) from [<803c6380>] (bpf_jit_binary_free kernel/bpf/core.c:1098 [inline]) [<803c5f90>] (bpf_jit_free_exec) from [<803c6380>] (bpf_jit_free+0x68/0xe4 kernel/bpf/core.c:1221) [<803c6318>] (bpf_jit_free) from [<803c7428>] (bpf_prog_free_deferred+0x140/0x158 kernel/bpf/core.c:2898) r5:8587138c r4:85439e80 [<803c72e8>] (bpf_prog_free_deferred) from [<802785a0>] (process_one_work+0x1b4/0x4f4 kernel/workqueue.c:3263) r7:ddde3d80 r6:83018600 r5:8587138c r4:85439e80 [<802783ec>] (process_one_work) from [<802791e8>] (process_scheduled_works kernel/workqueue.c:3346 [inline]) [<802783ec>] (process_one_work) from [<802791e8>] (worker_thread+0x1fc/0x3d8 kernel/workqueue.c:3427) r10:61c88647 r9:83981800 r8:85439eac r7:82804d40 r6:ddde3d80 r5:ddde3da0 r4:85439e80 [<80278fec>] (worker_thread) from [<8028020c>] (kthread+0x12c/0x280 kernel/kthread.c:463) r10:00000000 r9:85439e80 r8:80278fec r7:eb005e60 r6:85439f00 r5:83981800 r4:00000001 [<802800e0>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137) Exception stack(0xdfc39fb0 to 0xdfc39ff8) 9fa0: 00000000 00000000 00000000 00000000 9fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 9fe0: 00000000 00000000 00000000 00000000 00000013 00000000 r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802800e0 r4:8559ea80 INFO: task kworker/1:2:3598 is blocked on a mutex likely owned by task kworker/1:48:4332. task:kworker/1:48 state:R running task stack:0 pid:4332 tgid:4332 ppid:2 task_flags:0x4208060 flags:0x00000000 Workqueue: events bpf_prog_free_deferred Call trace: [<81a643fc>] (__schedule) from [<81a657c4>] (preempt_schedule_irq+0x40/0xa8 kernel/sched/core.c:7256) r10:8280c9b4 r9:841a1800 r8:80200c04 r7:dfaa5d54 r6:ffffffff r5:841a1800 r4:00000000 [<81a65784>] (preempt_schedule_irq) from [<80200c24>] (svc_preempt+0x8/0x18) Exception stack(0xdfaa5d20 to 0xdfaa5d68) 5d20: addb3000 ebc85000 00000001 80239bf8 7f00b000 00000001 82acb1c4 82aca5a0 5d40: 7f00b000 ebc85000 8280c9b4 dfaa5d9c dfaa5da0 dfaa5d70 80230af0 80239c10 5d60: 80000113 ffffffff r5:80000113 r4:80239c10 [<80230a8c>] (flush_tlb_kernel_range) from [<804ea0d0>] (__purge_vmap_area_lazy+0x284/0x458 mm/vmalloc.c:2342) r4:82acb1e4 [<804e9e4c>] (__purge_vmap_area_lazy) from [<804ea488>] (_vm_unmap_aliases+0x1e4/0x240 mm/vmalloc.c:2957) r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:dfaa5dc0 r5:dfaa5e08 r4:dfaa5dc0 [<804ea2a4>] (_vm_unmap_aliases) from [<804ee0ec>] (vm_reset_perms mm/vmalloc.c:3349 [inline]) [<804ea2a4>] (_vm_unmap_aliases) from [<804ee0ec>] (vfree+0x16c/0x210 mm/vmalloc.c:3428) r10:83016170 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:85603140 r4:00000000 [<804edf80>] (vfree) from [<80559038>] (execmem_free+0x30/0x50 mm/execmem.c:503) r9:83018605 r8:841a1800 r7:00000000 r6:83018600 r5:00001000 r4:7f03f000 [<80559008>] (execmem_free) from [<803c5fa0>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1052) r5:00001000 r4:e02bf000 [<803c5f90>] (bpf_jit_free_exec) from [<803c6380>] (bpf_jit_binary_free kernel/bpf/core.c:1098 [inline]) [<803c5f90>] (bpf_jit_free_exec) from [<803c6380>] (bpf_jit_free+0x68/0xe4 kernel/bpf/core.c:1221) [<803c6318>] (bpf_jit_free) from [<803c7428>] (bpf_prog_free_deferred+0x140/0x158 kernel/bpf/core.c:2898) r5:8583d38c r4:84e4ab80 [<803c72e8>] (bpf_prog_free_deferred) from [<802785a0>] (process_one_work+0x1b4/0x4f4 kernel/workqueue.c:3263) r7:ddde3d80 r6:83018600 r5:8583d38c r4:84e4ab80 [<802783ec>] (process_one_work) from [<802791e8>] (process_scheduled_works kernel/workqueue.c:3346 [inline]) [<802783ec>] (process_one_work) from [<802791e8>] (worker_thread+0x1fc/0x3d8 kernel/workqueue.c:3427) r10:61c88647 r9:841a1800 r8:84e4abac r7:82804d40 r6:ddde3d80 r5:ddde3da0 r4:84e4ab80 [<80278fec>] (worker_thread) from [<8028020c>] (kthread+0x12c/0x280 kernel/kthread.c:463) r10:00000000 r9:84e4ab80 r8:80278fec r7:dfae1e60 r6:84e4a080 r5:841a1800 r4:00000001 [<802800e0>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137) Exception stack(0xdfaa5fb0 to 0xdfaa5ff8) 5fa0: 00000000 00000000 00000000 00000000 5fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 5fe0: 00000000 00000000 00000000 00000000 00000013 00000000 r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802800e0 r4:854fcbc0 INFO: task kworker/1:4:4169 blocked for more than 430 seconds. Not tainted syzkaller #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:kworker/1:4 state:D stack:0 pid:4169 tgid:4169 ppid:2 task_flags:0x4208060 flags:0x00000000 Workqueue: events bpf_prog_free_deferred Call trace: [<81a643fc>] (__schedule) from [<81a65390>] (__schedule_loop kernel/sched/core.c:7011 [inline]) [<81a643fc>] (__schedule) from [<81a65390>] (schedule+0x2c/0x130 kernel/sched/core.c:7026) r10:e43edd84 r9:00000002 r8:60000113 r7:829171a0 r6:e43edd8c r5:83304800 r4:83304800 [<81a65364>] (schedule) from [<81a65778>] (schedule_preempt_disabled+0x18/0x24 kernel/sched/core.c:7083) r5:83304800 r4:8291719c [<81a65760>] (schedule_preempt_disabled) from [<81a68328>] (__mutex_lock_common kernel/locking/mutex.c:676 [inline]) [<81a65760>] (schedule_preempt_disabled) from [<81a68328>] (__mutex_lock.constprop.0+0x350/0xa24 kernel/locking/mutex.c:760) [<81a67fd8>] (__mutex_lock.constprop.0) from [<81a68ad0>] (__mutex_lock_slowpath+0x14/0x18 kernel/locking/mutex.c:1049) r10:8280c960 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:e43ede08 r4:00000000 [<81a68abc>] (__mutex_lock_slowpath) from [<81a68b10>] (mutex_lock+0x3c/0x40 kernel/locking/mutex.c:274) [<81a68ad4>] (mutex_lock) from [<804ea30c>] (_vm_unmap_aliases+0x68/0x240 mm/vmalloc.c:2918) [<804ea2a4>] (_vm_unmap_aliases) from [<804ee0ec>] (vm_reset_perms mm/vmalloc.c:3349 [inline]) [<804ea2a4>] (_vm_unmap_aliases) from [<804ee0ec>] (vfree+0x16c/0x210 mm/vmalloc.c:3428) r10:83016170 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:85608780 r4:00000000 [<804edf80>] (vfree) from [<80559038>] (execmem_free+0x30/0x50 mm/execmem.c:503) r9:83018605 r8:83304800 r7:00000000 r6:83018600 r5:00001000 r4:7f073000 [<80559008>] (execmem_free) from [<803c5fa0>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1052) r5:00001000 r4:eb9c1000 [<803c5f90>] (bpf_jit_free_exec) from [<803c6380>] (bpf_jit_binary_free kernel/bpf/core.c:1098 [inline]) [<803c5f90>] (bpf_jit_free_exec) from [<803c6380>] (bpf_jit_free+0x68/0xe4 kernel/bpf/core.c:1221) [<803c6318>] (bpf_jit_free) from [<803c7428>] (bpf_prog_free_deferred+0x140/0x158 kernel/bpf/core.c:2898) r5:8583c78c r4:8540c300 [<803c72e8>] (bpf_prog_free_deferred) from [<802785a0>] (process_one_work+0x1b4/0x4f4 kernel/workqueue.c:3263) r7:ddde3d80 r6:83018600 r5:8583c78c r4:8540c300 [<802783ec>] (process_one_work) from [<802791e8>] (process_scheduled_works kernel/workqueue.c:3346 [inline]) [<802783ec>] (process_one_work) from [<802791e8>] (worker_thread+0x1fc/0x3d8 kernel/workqueue.c:3427) r10:61c88647 r9:83304800 r8:8540c32c r7:82804d40 r6:ddde3d80 r5:ddde3da0 r4:8540c300 [<80278fec>] (worker_thread) from [<8028020c>] (kthread+0x12c/0x280 kernel/kthread.c:463) r10:00000000 r9:8540c300 r8:80278fec r7:eb005e60 r6:854f1080 r5:83304800 r4:00000001 [<802800e0>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137) Exception stack(0xe43edfb0 to 0xe43edff8) dfa0: 00000000 00000000 00000000 00000000 dfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 dfe0: 00000000 00000000 00000000 00000000 00000013 00000000 r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802800e0 r4:856da280 INFO: task kworker/1:4:4169 is blocked on a mutex likely owned by task kworker/1:48:4332. task:kworker/1:48 state:R running task stack:0 pid:4332 tgid:4332 ppid:2 task_flags:0x4208060 flags:0x00000000 Workqueue: events bpf_prog_free_deferred Call trace: [<81a643fc>] (__schedule) from [<81a657c4>] (preempt_schedule_irq+0x40/0xa8 kernel/sched/core.c:7256) r10:8280c9b4 r9:841a1800 r8:80200c04 r7:dfaa5d54 r6:ffffffff r5:841a1800 r4:00000000 [<81a65784>] (preempt_schedule_irq) from [<80200c24>] (svc_preempt+0x8/0x18) Exception stack(0xdfaa5d20 to 0xdfaa5d68) 5d20: addb3000 ebc85000 00000001 80239bf8 7f00b000 00000001 82acb1c4 82aca5a0 5d40: 7f00b000 ebc85000 8280c9b4 dfaa5d9c dfaa5da0 dfaa5d70 80230af0 80239c10 5d60: 80000113 ffffffff r5:80000113 r4:80239c10 [<80230a8c>] (flush_tlb_kernel_range) from [<804ea0d0>] (__purge_vmap_area_lazy+0x284/0x458 mm/vmalloc.c:2342) r4:82acb1e4 [<804e9e4c>] (__purge_vmap_area_lazy) from [<804ea488>] (_vm_unmap_aliases+0x1e4/0x240 mm/vmalloc.c:2957) r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:dfaa5dc0 r5:dfaa5e08 r4:dfaa5dc0 [<804ea2a4>] (_vm_unmap_aliases) from [<804ee0ec>] (vm_reset_perms mm/vmalloc.c:3349 [inline]) [<804ea2a4>] (_vm_unmap_aliases) from [<804ee0ec>] (vfree+0x16c/0x210 mm/vmalloc.c:3428) r10:83016170 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:85603140 r4:00000000 [<804edf80>] (vfree) from [<80559038>] (execmem_free+0x30/0x50 mm/execmem.c:503) r9:83018605 r8:841a1800 r7:00000000 r6:83018600 r5:00001000 r4:7f03f000 [<80559008>] (execmem_free) from [<803c5fa0>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1052) r5:00001000 r4:e02bf000 [<803c5f90>] (bpf_jit_free_exec) from [<803c6380>] (bpf_jit_binary_free kernel/bpf/core.c:1098 [inline]) [<803c5f90>] (bpf_jit_free_exec) from [<803c6380>] (bpf_jit_free+0x68/0xe4 kernel/bpf/core.c:1221) [<803c6318>] (bpf_jit_free) from [<803c7428>] (bpf_prog_free_deferred+0x140/0x158 kernel/bpf/core.c:2898) r5:8583d38c r4:84e4ab80 [<803c72e8>] (bpf_prog_free_deferred) from [<802785a0>] (process_one_work+0x1b4/0x4f4 kernel/workqueue.c:3263) r7:ddde3d80 r6:83018600 r5:8583d38c r4:84e4ab80 [<802783ec>] (process_one_work) from [<802791e8>] (process_scheduled_works kernel/workqueue.c:3346 [inline]) [<802783ec>] (process_one_work) from [<802791e8>] (worker_thread+0x1fc/0x3d8 kernel/workqueue.c:3427) r10:61c88647 r9:841a1800 r8:84e4abac r7:82804d40 r6:ddde3d80 r5:ddde3da0 r4:84e4ab80 [<80278fec>] (worker_thread) from [<8028020c>] (kthread+0x12c/0x280 kernel/kthread.c:463) r10:00000000 r9:84e4ab80 r8:80278fec r7:dfae1e60 r6:84e4a080 r5:841a1800 r4:00000001 [<802800e0>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137) Exception stack(0xdfaa5fb0 to 0xdfaa5ff8) 5fa0: 00000000 00000000 00000000 00000000 5fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 5fe0: 00000000 00000000 00000000 00000000 00000013 00000000 r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802800e0 r4:854fcbc0 INFO: task kworker/1:19:4264 blocked for more than 430 seconds. Not tainted syzkaller #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:kworker/1:19 state:D stack:0 pid:4264 tgid:4264 ppid:2 task_flags:0x4208060 flags:0x00000000 Workqueue: events bpf_prog_free_deferred Call trace: [<81a643fc>] (__schedule) from [<81a65390>] (__schedule_loop kernel/sched/core.c:7011 [inline]) [<81a643fc>] (__schedule) from [<81a65390>] (schedule+0x2c/0x130 kernel/sched/core.c:7026) r10:e0319d84 r9:00000002 r8:60000113 r7:829171a0 r6:e0319d8c r5:84fbd400 r4:84fbd400 [<81a65364>] (schedule) from [<81a65778>] (schedule_preempt_disabled+0x18/0x24 kernel/sched/core.c:7083) r5:84fbd400 r4:8291719c [<81a65760>] (schedule_preempt_disabled) from [<81a68328>] (__mutex_lock_common kernel/locking/mutex.c:676 [inline]) [<81a65760>] (schedule_preempt_disabled) from [<81a68328>] (__mutex_lock.constprop.0+0x350/0xa24 kernel/locking/mutex.c:760) [<81a67fd8>] (__mutex_lock.constprop.0) from [<81a68ad0>] (__mutex_lock_slowpath+0x14/0x18 kernel/locking/mutex.c:1049) r10:8280c960 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:e0319e08 r4:00000000 [<81a68abc>] (__mutex_lock_slowpath) from [<81a68b10>] (mutex_lock+0x3c/0x40 kernel/locking/mutex.c:274) [<81a68ad4>] (mutex_lock) from [<804ea30c>] (_vm_unmap_aliases+0x68/0x240 mm/vmalloc.c:2918) [<804ea2a4>] (_vm_unmap_aliases) from [<804ee0ec>] (vm_reset_perms mm/vmalloc.c:3349 [inline]) [<804ea2a4>] (_vm_unmap_aliases) from [<804ee0ec>] (vfree+0x16c/0x210 mm/vmalloc.c:3428) r10:83016170 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:85608740 r4:00000000 [<804edf80>] (vfree) from [<80559038>] (execmem_free+0x30/0x50 mm/execmem.c:503) r9:83018605 r8:84fbd400 r7:00000000 r6:83018600 r5:00001000 r4:7f065000 [<80559008>] (execmem_free) from [<803c5fa0>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1052) r5:00001000 r4:dfa85000 [<803c5f90>] (bpf_jit_free_exec) from [<803c6380>] (bpf_jit_binary_free kernel/bpf/core.c:1098 [inline]) [<803c5f90>] (bpf_jit_free_exec) from [<803c6380>] (bpf_jit_free+0x68/0xe4 kernel/bpf/core.c:1221) [<803c6318>] (bpf_jit_free) from [<803c7428>] (bpf_prog_free_deferred+0x140/0x158 kernel/bpf/core.c:2898) r5:8583cb8c r4:85587400 [<803c72e8>] (bpf_prog_free_deferred) from [<802785a0>] (process_one_work+0x1b4/0x4f4 kernel/workqueue.c:3263) r7:ddde3d80 r6:83018600 r5:8583cb8c r4:85587400 [<802783ec>] (process_one_work) from [<802791e8>] (process_scheduled_works kernel/workqueue.c:3346 [inline]) [<802783ec>] (process_one_work) from [<802791e8>] (worker_thread+0x1fc/0x3d8 kernel/workqueue.c:3427) r10:61c88647 r9:84fbd400 r8:8558742c r7:82804d40 r6:ddde3d80 r5:ddde3da0 r4:85587400 [<80278fec>] (worker_thread) from [<8028020c>] (kthread+0x12c/0x280 kernel/kthread.c:463) r10:00000000 r9:85587400 r8:80278fec r7:e029de60 r6:8542bf80 r5:84fbd400 r4:00000001 [<802800e0>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137) Exception stack(0xe0319fb0 to 0xe0319ff8) 9fa0: 00000000 00000000 00000000 00000000 9fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 9fe0: 00000000 00000000 00000000 00000000 00000013 00000000 r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802800e0 r4:85603a40 INFO: task kworker/1:19:4264 is blocked on a mutex likely owned by task kworker/1:48:4332. task:kworker/1:48 state:R running task stack:0 pid:4332 tgid:4332 ppid:2 task_flags:0x4208060 flags:0x00000000 Workqueue: events bpf_prog_free_deferred Call trace: [<81a643fc>] (__schedule) from [<81a657c4>] (preempt_schedule_irq+0x40/0xa8 kernel/sched/core.c:7256) r10:8280c9b4 r9:841a1800 r8:80200c04 r7:dfaa5d54 r6:ffffffff r5:841a1800 r4:00000000 [<81a65784>] (preempt_schedule_irq) from [<80200c24>] (svc_preempt+0x8/0x18) Exception stack(0xdfaa5d20 to 0xdfaa5d68) 5d20: addb3000 ebc85000 00000001 80239bf8 7f00b000 00000001 82acb1c4 82aca5a0 5d40: 7f00b000 ebc85000 8280c9b4 dfaa5d9c dfaa5da0 dfaa5d70 80230af0 80239c10 5d60: 80000113 ffffffff r5:80000113 r4:80239c10 [<80230a8c>] (flush_tlb_kernel_range) from [<804ea0d0>] (__purge_vmap_area_lazy+0x284/0x458 mm/vmalloc.c:2342) r4:82acb1e4 [<804e9e4c>] (__purge_vmap_area_lazy) from [<804ea488>] (_vm_unmap_aliases+0x1e4/0x240 mm/vmalloc.c:2957) r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:dfaa5dc0 r5:dfaa5e08 r4:dfaa5dc0 [<804ea2a4>] (_vm_unmap_aliases) from [<804ee0ec>] (vm_reset_perms mm/vmalloc.c:3349 [inline]) [<804ea2a4>] (_vm_unmap_aliases) from [<804ee0ec>] (vfree+0x16c/0x210 mm/vmalloc.c:3428) r10:83016170 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:85603140 r4:00000000 [<804edf80>] (vfree) from [<80559038>] (execmem_free+0x30/0x50 mm/execmem.c:503) r9:83018605 r8:841a1800 r7:00000000 r6:83018600 r5:00001000 r4:7f03f000 [<80559008>] (execmem_free) from [<803c5fa0>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1052) r5:00001000 r4:e02bf000 [<803c5f90>] (bpf_jit_free_exec) from [<803c6380>] (bpf_jit_binary_free kernel/bpf/core.c:1098 [inline]) [<803c5f90>] (bpf_jit_free_exec) from [<803c6380>] (bpf_jit_free+0x68/0xe4 kernel/bpf/core.c:1221) [<803c6318>] (bpf_jit_free) from [<803c7428>] (bpf_prog_free_deferred+0x140/0x158 kernel/bpf/core.c:2898) r5:8583d38c r4:84e4ab80 [<803c72e8>] (bpf_prog_free_deferred) from [<802785a0>] (process_one_work+0x1b4/0x4f4 kernel/workqueue.c:3263) r7:ddde3d80 r6:83018600 r5:8583d38c r4:84e4ab80 [<802783ec>] (process_one_work) from [<802791e8>] (process_scheduled_works kernel/workqueue.c:3346 [inline]) [<802783ec>] (process_one_work) from [<802791e8>] (worker_thread+0x1fc/0x3d8 kernel/workqueue.c:3427) r10:61c88647 r9:841a1800 r8:84e4abac r7:82804d40 r6:ddde3d80 r5:ddde3da0 r4:84e4ab80 [<80278fec>] (worker_thread) from [<8028020c>] (kthread+0x12c/0x280 kernel/kthread.c:463) r10:00000000 r9:84e4ab80 r8:80278fec r7:dfae1e60 r6:84e4a080 r5:841a1800 r4:00000001 [<802800e0>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137) Exception stack(0xdfaa5fb0 to 0xdfaa5ff8) 5fa0: 00000000 00000000 00000000 00000000 5fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 5fe0: 00000000 00000000 00000000 00000000 00000013 00000000 r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802800e0 r4:854fcbc0 INFO: task kworker/1:37:4309 blocked for more than 430 seconds. Not tainted syzkaller #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:kworker/1:37 state:D stack:0 pid:4309 tgid:4309 ppid:2 task_flags:0x4208060 flags:0x00000000 Workqueue: events bpf_prog_free_deferred Call trace: [<81a643fc>] (__schedule) from [<81a65390>] (__schedule_loop kernel/sched/core.c:7011 [inline]) [<81a643fc>] (__schedule) from [<81a65390>] (schedule+0x2c/0x130 kernel/sched/core.c:7026) r10:dfb45d84 r9:00000002 r8:60000113 r7:829171a0 r6:dfb45d8c r5:83316c00 r4:83316c00 [<81a65364>] (schedule) from [<81a65778>] (schedule_preempt_disabled+0x18/0x24 kernel/sched/core.c:7083) r5:83316c00 r4:8291719c [<81a65760>] (schedule_preempt_disabled) from [<81a68328>] (__mutex_lock_common kernel/locking/mutex.c:676 [inline]) [<81a65760>] (schedule_preempt_disabled) from [<81a68328>] (__mutex_lock.constprop.0+0x350/0xa24 kernel/locking/mutex.c:760) [<81a67fd8>] (__mutex_lock.constprop.0) from [<81a68ad0>] (__mutex_lock_slowpath+0x14/0x18 kernel/locking/mutex.c:1049) r10:8280c960 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:dfb45e08 r4:00000000 [<81a68abc>] (__mutex_lock_slowpath) from [<81a68b10>] (mutex_lock+0x3c/0x40 kernel/locking/mutex.c:274) [<81a68ad4>] (mutex_lock) from [<804ea30c>] (_vm_unmap_aliases+0x68/0x240 mm/vmalloc.c:2918) [<804ea2a4>] (_vm_unmap_aliases) from [<804ee0ec>] (vm_reset_perms mm/vmalloc.c:3349 [inline]) [<804ea2a4>] (_vm_unmap_aliases) from [<804ee0ec>] (vfree+0x16c/0x210 mm/vmalloc.c:3428) r10:83016170 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:857a0340 r4:00000000 [<804edf80>] (vfree) from [<80559038>] (execmem_free+0x30/0x50 mm/execmem.c:503) r9:83018605 r8:83316c00 r7:00000000 r6:83018600 r5:00001000 r4:7f05b000 [<80559008>] (execmem_free) from [<803c5fa0>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1052) r5:00001000 r4:ead4f000 [<803c5f90>] (bpf_jit_free_exec) from [<803c6380>] (bpf_jit_binary_free kernel/bpf/core.c:1098 [inline]) [<803c5f90>] (bpf_jit_free_exec) from [<803c6380>] (bpf_jit_free+0x68/0xe4 kernel/bpf/core.c:1221) [<803c6318>] (bpf_jit_free) from [<803c7428>] (bpf_prog_free_deferred+0x140/0x158 kernel/bpf/core.c:2898) r5:8599e78c r4:84c9e580 [<803c72e8>] (bpf_prog_free_deferred) from [<802785a0>] (process_one_work+0x1b4/0x4f4 kernel/workqueue.c:3263) r7:ddde3d80 r6:83018600 r5:8599e78c r4:84c9e580 [<802783ec>] (process_one_work) from [<802791e8>] (process_scheduled_works kernel/workqueue.c:3346 [inline]) [<802783ec>] (process_one_work) from [<802791e8>] (worker_thread+0x1fc/0x3d8 kernel/workqueue.c:3427) r10:61c88647 r9:83316c00 r8:84c9e5ac r7:82804d40 r6:ddde3d80 r5:ddde3da0 r4:84c9e580 [<80278fec>] (worker_thread) from [<8028020c>] (kthread+0x12c/0x280 kernel/kthread.c:463) r10:00000000 r9:84c9e580 r8:80278fec r7:dfb09e60 r6:84c9ed80 r5:83316c00 r4:00000001 [<802800e0>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137) Exception stack(0xdfb45fb0 to 0xdfb45ff8) 5fa0: 00000000 00000000 00000000 00000000 5fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 5fe0: 00000000 00000000 00000000 00000000 00000013 00000000 r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802800e0 r4:856013c0 INFO: task kworker/1:37:4309 is blocked on a mutex likely owned by task kworker/1:48:4332. task:kworker/1:48 state:R running task stack:0 pid:4332 tgid:4332 ppid:2 task_flags:0x4208060 flags:0x00000000 Workqueue: events bpf_prog_free_deferred Call trace: [<81a643fc>] (__schedule) from [<81a657c4>] (preempt_schedule_irq+0x40/0xa8 kernel/sched/core.c:7256) r10:8280c9b4 r9:841a1800 r8:80200c04 r7:dfaa5d54 r6:ffffffff r5:841a1800 r4:00000000 [<81a65784>] (preempt_schedule_irq) from [<80200c24>] (svc_preempt+0x8/0x18) Exception stack(0xdfaa5d20 to 0xdfaa5d68) 5d20: addb3000 ebc85000 00000001 80239bf8 7f00b000 00000001 82acb1c4 82aca5a0 5d40: 7f00b000 ebc85000 8280c9b4 dfaa5d9c dfaa5da0 dfaa5d70 80230af0 80239c10 5d60: 80000113 ffffffff r5:80000113 r4:80239c10 [<80230a8c>] (flush_tlb_kernel_range) from [<804ea0d0>] (__purge_vmap_area_lazy+0x284/0x458 mm/vmalloc.c:2342) r4:82acb1e4 [<804e9e4c>] (__purge_vmap_area_lazy) from [<804ea488>] (_vm_unmap_aliases+0x1e4/0x240 mm/vmalloc.c:2957) r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:dfaa5dc0 r5:dfaa5e08 r4:dfaa5dc0 [<804ea2a4>] (_vm_unmap_aliases) from [<804ee0ec>] (vm_reset_perms mm/vmalloc.c:3349 [inline]) [<804ea2a4>] (_vm_unmap_aliases) from [<804ee0ec>] (vfree+0x16c/0x210 mm/vmalloc.c:3428) r10:83016170 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:85603140 r4:00000000 [<804edf80>] (vfree) from [<80559038>] (execmem_free+0x30/0x50 mm/execmem.c:503) r9:83018605 r8:841a1800 r7:00000000 r6:83018600 r5:00001000 r4:7f03f000 [<80559008>] (execmem_free) from [<803c5fa0>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1052) r5:00001000 r4:e02bf000 [<803c5f90>] (bpf_jit_free_exec) from [<803c6380>] (bpf_jit_binary_free kernel/bpf/core.c:1098 [inline]) [<803c5f90>] (bpf_jit_free_exec) from [<803c6380>] (bpf_jit_free+0x68/0xe4 kernel/bpf/core.c:1221) [<803c6318>] (bpf_jit_free) from [<803c7428>] (bpf_prog_free_deferred+0x140/0x158 kernel/bpf/core.c:2898) r5:8583d38c r4:84e4ab80 [<803c72e8>] (bpf_prog_free_deferred) from [<802785a0>] (process_one_work+0x1b4/0x4f4 kernel/workqueue.c:3263) r7:ddde3d80 r6:83018600 r5:8583d38c r4:84e4ab80 [<802783ec>] (process_one_work) from [<802791e8>] (process_scheduled_works kernel/workqueue.c:3346 [inline]) [<802783ec>] (process_one_work) from [<802791e8>] (worker_thread+0x1fc/0x3d8 kernel/workqueue.c:3427) r10:61c88647 r9:841a1800 r8:84e4abac r7:82804d40 r6:ddde3d80 r5:ddde3da0 r4:84e4ab80 [<80278fec>] (worker_thread) from [<8028020c>] (kthread+0x12c/0x280 kernel/kthread.c:463) r10:00000000 r9:84e4ab80 r8:80278fec r7:dfae1e60 r6:84e4a080 r5:841a1800 r4:00000001 [<802800e0>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137) Exception stack(0xdfaa5fb0 to 0xdfaa5ff8) 5fa0: 00000000 00000000 00000000 00000000 5fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 5fe0: 00000000 00000000 00000000 00000000 00000013 00000000 r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802800e0 r4:854fcbc0 INFO: task kworker/1:43:4322 blocked for more than 430 seconds. Not tainted syzkaller #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:kworker/1:43 state:D stack:0 pid:4322 tgid:4322 ppid:2 task_flags:0x4208060 flags:0x00000000 Workqueue: events bpf_prog_free_deferred Call trace: [<81a643fc>] (__schedule) from [<81a65390>] (__schedule_loop kernel/sched/core.c:7011 [inline]) [<81a643fc>] (__schedule) from [<81a65390>] (schedule+0x2c/0x130 kernel/sched/core.c:7026) r10:dfa39d84 r9:00000002 r8:60000113 r7:829171a0 r6:dfa39d8c r5:841a0c00 r4:841a0c00 [<81a65364>] (schedule) from [<81a65778>] (schedule_preempt_disabled+0x18/0x24 kernel/sched/core.c:7083) r5:841a0c00 r4:8291719c [<81a65760>] (schedule_preempt_disabled) from [<81a68328>] (__mutex_lock_common kernel/locking/mutex.c:676 [inline]) [<81a65760>] (schedule_preempt_disabled) from [<81a68328>] (__mutex_lock.constprop.0+0x350/0xa24 kernel/locking/mutex.c:760) [<81a67fd8>] (__mutex_lock.constprop.0) from [<81a68ad0>] (__mutex_lock_slowpath+0x14/0x18 kernel/locking/mutex.c:1049) r10:8280c960 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:dfa39e08 r4:00000000 [<81a68abc>] (__mutex_lock_slowpath) from [<81a68b10>] (mutex_lock+0x3c/0x40 kernel/locking/mutex.c:274) [<81a68ad4>] (mutex_lock) from [<804ea30c>] (_vm_unmap_aliases+0x68/0x240 mm/vmalloc.c:2918) [<804ea2a4>] (_vm_unmap_aliases) from [<804ee0ec>] (vm_reset_perms mm/vmalloc.c:3349 [inline]) [<804ea2a4>] (_vm_unmap_aliases) from [<804ee0ec>] (vfree+0x16c/0x210 mm/vmalloc.c:3428) r10:83016170 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:85789a00 r4:00000000 [<804edf80>] (vfree) from [<80559038>] (execmem_free+0x30/0x50 mm/execmem.c:503) r9:83018605 r8:841a0c00 r7:00000000 r6:83018600 r5:00001000 r4:7f05d000 [<80559008>] (execmem_free) from [<803c5fa0>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1052) r5:00001000 r4:eae2d000 [<803c5f90>] (bpf_jit_free_exec) from [<803c6380>] (bpf_jit_binary_free kernel/bpf/core.c:1098 [inline]) [<803c5f90>] (bpf_jit_free_exec) from [<803c6380>] (bpf_jit_free+0x68/0xe4 kernel/bpf/core.c:1221) [<803c6318>] (bpf_jit_free) from [<803c7428>] (bpf_prog_free_deferred+0x140/0x158 kernel/bpf/core.c:2898) r5:8599d38c r4:84c9e000 [<803c72e8>] (bpf_prog_free_deferred) from [<802785a0>] (process_one_work+0x1b4/0x4f4 kernel/workqueue.c:3263) r7:ddde3d80 r6:83018600 r5:8599d38c r4:84c9e000 [<802783ec>] (process_one_work) from [<802791e8>] (process_scheduled_works kernel/workqueue.c:3346 [inline]) [<802783ec>] (process_one_work) from [<802791e8>] (worker_thread+0x1fc/0x3d8 kernel/workqueue.c:3427) r10:61c88647 r9:841a0c00 r8:84c9e02c r7:82804d40 r6:ddde3d80 r5:ddde3da0 r4:84c9e000 [<80278fec>] (worker_thread) from [<8028020c>] (kthread+0x12c/0x280 kernel/kthread.c:463) r10:00000000 r9:84c9e000 r8:80278fec r7:dfbd1e60 r6:85407280 r5:841a0c00 r4:00000001 [<802800e0>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137) Exception stack(0xdfa39fb0 to 0xdfa39ff8) 9fa0: 00000000 00000000 00000000 00000000 9fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 9fe0: 00000000 00000000 00000000 00000000 00000013 00000000 r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802800e0 r4:85603180 INFO: task kworker/1:43:4322 is blocked on a mutex likely owned by task kworker/1:48:4332. task:kworker/1:48 state:R running task stack:0 pid:4332 tgid:4332 ppid:2 task_flags:0x4208060 flags:0x00000000 Workqueue: events bpf_prog_free_deferred Call trace: [<81a643fc>] (__schedule) from [<81a657c4>] (preempt_schedule_irq+0x40/0xa8 kernel/sched/core.c:7256) r10:8280c9b4 r9:841a1800 r8:80200c04 r7:dfaa5d54 r6:ffffffff r5:841a1800 r4:00000000 [<81a65784>] (preempt_schedule_irq) from [<80200c24>] (svc_preempt+0x8/0x18) Exception stack(0xdfaa5d20 to 0xdfaa5d68) 5d20: addb3000 ebc85000 00000001 80239bf8 7f00b000 00000001 82acb1c4 82aca5a0 5d40: 7f00b000 ebc85000 8280c9b4 dfaa5d9c dfaa5da0 dfaa5d70 80230af0 80239c10 5d60: 80000113 ffffffff r5:80000113 r4:80239c10 [<80230a8c>] (flush_tlb_kernel_range) from [<804ea0d0>] (__purge_vmap_area_lazy+0x284/0x458 mm/vmalloc.c:2342) r4:82acb1e4 [<804e9e4c>] (__purge_vmap_area_lazy) from [<804ea488>] (_vm_unmap_aliases+0x1e4/0x240 mm/vmalloc.c:2957) r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:dfaa5dc0 r5:dfaa5e08 r4:dfaa5dc0 [<804ea2a4>] (_vm_unmap_aliases) from [<804ee0ec>] (vm_reset_perms mm/vmalloc.c:3349 [inline]) [<804ea2a4>] (_vm_unmap_aliases) from [<804ee0ec>] (vfree+0x16c/0x210 mm/vmalloc.c:3428) r10:83016170 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:85603140 r4:00000000 [<804edf80>] (vfree) from [<80559038>] (execmem_free+0x30/0x50 mm/execmem.c:503) r9:83018605 r8:841a1800 r7:00000000 r6:83018600 r5:00001000 r4:7f03f000 [<80559008>] (execmem_free) from [<803c5fa0>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1052) r5:00001000 r4:e02bf000 [<803c5f90>] (bpf_jit_free_exec) from [<803c6380>] (bpf_jit_binary_free kernel/bpf/core.c:1098 [inline]) [<803c5f90>] (bpf_jit_free_exec) from [<803c6380>] (bpf_jit_free+0x68/0xe4 kernel/bpf/core.c:1221) [<803c6318>] (bpf_jit_free) from [<803c7428>] (bpf_prog_free_deferred+0x140/0x158 kernel/bpf/core.c:2898) r5:8583d38c r4:84e4ab80 [<803c72e8>] (bpf_prog_free_deferred) from [<802785a0>] (process_one_work+0x1b4/0x4f4 kernel/workqueue.c:3263) r7:ddde3d80 r6:83018600 r5:8583d38c r4:84e4ab80 [<802783ec>] (process_one_work) from [<802791e8>] (process_scheduled_works kernel/workqueue.c:3346 [inline]) [<802783ec>] (process_one_work) from [<802791e8>] (worker_thread+0x1fc/0x3d8 kernel/workqueue.c:3427) r10:61c88647 r9:841a1800 r8:84e4abac r7:82804d40 r6:ddde3d80 r5:ddde3da0 r4:84e4ab80 [<80278fec>] (worker_thread) from [<8028020c>] (kthread+0x12c/0x280 kernel/kthread.c:463) r10:00000000 r9:84e4ab80 r8:80278fec r7:dfae1e60 r6:84e4a080 r5:841a1800 r4:00000001 [<802800e0>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137) Exception stack(0xdfaa5fb0 to 0xdfaa5ff8) 5fa0: 00000000 00000000 00000000 00000000 5fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 5fe0: 00000000 00000000 00000000 00000000 00000013 00000000 r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802800e0 r4:854fcbc0 INFO: task kworker/1:54:4343 blocked for more than 430 seconds. Not tainted syzkaller #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:kworker/1:54 state:D stack:0 pid:4343 tgid:4343 ppid:2 task_flags:0x4208060 flags:0x00000000 Workqueue: events bpf_prog_free_deferred Call trace: [<81a643fc>] (__schedule) from [<81a65390>] (__schedule_loop kernel/sched/core.c:7011 [inline]) [<81a643fc>] (__schedule) from [<81a65390>] (schedule+0x2c/0x130 kernel/sched/core.c:7026) r10:dfc41d84 r9:00000002 r8:60000013 r7:829171a0 r6:dfc41d8c r5:8420a400 r4:8420a400 [<81a65364>] (schedule) from [<81a65778>] (schedule_preempt_disabled+0x18/0x24 kernel/sched/core.c:7083) r5:8420a400 r4:8291719c [<81a65760>] (schedule_preempt_disabled) from [<81a68328>] (__mutex_lock_common kernel/locking/mutex.c:676 [inline]) [<81a65760>] (schedule_preempt_disabled) from [<81a68328>] (__mutex_lock.constprop.0+0x350/0xa24 kernel/locking/mutex.c:760) [<81a67fd8>] (__mutex_lock.constprop.0) from [<81a68ad0>] (__mutex_lock_slowpath+0x14/0x18 kernel/locking/mutex.c:1049) r10:8280c960 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:dfc41e08 r4:00000000 [<81a68abc>] (__mutex_lock_slowpath) from [<81a68b10>] (mutex_lock+0x3c/0x40 kernel/locking/mutex.c:274) [<81a68ad4>] (mutex_lock) from [<804ea30c>] (_vm_unmap_aliases+0x68/0x240 mm/vmalloc.c:2918) [<804ea2a4>] (_vm_unmap_aliases) from [<804ee0ec>] (vm_reset_perms mm/vmalloc.c:3349 [inline]) [<804ea2a4>] (_vm_unmap_aliases) from [<804ee0ec>] (vfree+0x16c/0x210 mm/vmalloc.c:3428) r10:83016170 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:856df740 r4:00000000 [<804edf80>] (vfree) from [<80559038>] (execmem_free+0x30/0x50 mm/execmem.c:503) r9:83018605 r8:8420a400 r7:00000000 r6:83018600 r5:00001000 r4:7f049000 [<80559008>] (execmem_free) from [<803c5fa0>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1052) r5:00001000 r4:ea62b000 [<803c5f90>] (bpf_jit_free_exec) from [<803c6380>] (bpf_jit_binary_free kernel/bpf/core.c:1098 [inline]) [<803c5f90>] (bpf_jit_free_exec) from [<803c6380>] (bpf_jit_free+0x68/0xe4 kernel/bpf/core.c:1221) [<803c6318>] (bpf_jit_free) from [<803c7428>] (bpf_prog_free_deferred+0x140/0x158 kernel/bpf/core.c:2898) r5:8599fb8c r4:84171580 [<803c72e8>] (bpf_prog_free_deferred) from [<802785a0>] (process_one_work+0x1b4/0x4f4 kernel/workqueue.c:3263) r7:ddde3d80 r6:83018600 r5:8599fb8c r4:84171580 [<802783ec>] (process_one_work) from [<802791e8>] (process_scheduled_works kernel/workqueue.c:3346 [inline]) [<802783ec>] (process_one_work) from [<802791e8>] (worker_thread+0x1fc/0x3d8 kernel/workqueue.c:3427) r10:61c88647 r9:8420a400 r8:841715ac r7:82804d40 r6:ddde3d80 r5:ddde3da0 r4:84171580 [<80278fec>] (worker_thread) from [<8028020c>] (kthread+0x12c/0x280 kernel/kthread.c:463) r10:00000000 r9:84171580 r8:80278fec r7:dfaa5e60 r6:855b2b00 r5:8420a400 r4:00000001 [<802800e0>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137) Exception stack(0xdfc41fb0 to 0xdfc41ff8) 1fa0: 00000000 00000000 00000000 00000000 1fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 1fe0: 00000000 00000000 00000000 00000000 00000013 00000000 r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802800e0 r4:856012c0 INFO: task kworker/1:54:4343 is blocked on a mutex likely owned by task kworker/1:48:4332. task:kworker/1:48 state:R running task stack:0 pid:4332 tgid:4332 ppid:2 task_flags:0x4208060 flags:0x00000000 Workqueue: events bpf_prog_free_deferred Call trace: [<81a643fc>] (__schedule) from [<81a657c4>] (preempt_schedule_irq+0x40/0xa8 kernel/sched/core.c:7256) r10:8280c9b4 r9:841a1800 r8:80200c04 r7:dfaa5d54 r6:ffffffff r5:841a1800 r4:00000000 [<81a65784>] (preempt_schedule_irq) from [<80200c24>] (svc_preempt+0x8/0x18) Exception stack(0xdfaa5d20 to 0xdfaa5d68) 5d20: addb3000 ebc85000 00000001 80239bf8 7f00b000 00000001 82acb1c4 82aca5a0 5d40: 7f00b000 ebc85000 8280c9b4 dfaa5d9c dfaa5da0 dfaa5d70 80230af0 80239c10 5d60: 80000113 ffffffff r5:80000113 r4:80239c10 [<80230a8c>] (flush_tlb_kernel_range) from [<804ea0d0>] (__purge_vmap_area_lazy+0x284/0x458 mm/vmalloc.c:2342) r4:82acb1e4 [<804e9e4c>] (__purge_vmap_area_lazy) from [<804ea488>] (_vm_unmap_aliases+0x1e4/0x240 mm/vmalloc.c:2957) r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:dfaa5dc0 r5:dfaa5e08 r4:dfaa5dc0 [<804ea2a4>] (_vm_unmap_aliases) from [<804ee0ec>] (vm_reset_perms mm/vmalloc.c:3349 [inline]) [<804ea2a4>] (_vm_unmap_aliases) from [<804ee0ec>] (vfree+0x16c/0x210 mm/vmalloc.c:3428) r10:83016170 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:85603140 r4:00000000 [<804edf80>] (vfree) from [<80559038>] (execmem_free+0x30/0x50 mm/execmem.c:503) r9:83018605 r8:841a1800 r7:00000000 r6:83018600 r5:00001000 r4:7f03f000 [<80559008>] (execmem_free) from [<803c5fa0>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1052) r5:00001000 r4:e02bf000 [<803c5f90>] (bpf_jit_free_exec) from [<803c6380>] (bpf_jit_binary_free kernel/bpf/core.c:1098 [inline]) [<803c5f90>] (bpf_jit_free_exec) from [<803c6380>] (bpf_jit_free+0x68/0xe4 kernel/bpf/core.c:1221) [<803c6318>] (bpf_jit_free) from [<803c7428>] (bpf_prog_free_deferred+0x140/0x158 kernel/bpf/core.c:2898) r5:8583d38c r4:84e4ab80 [<803c72e8>] (bpf_prog_free_deferred) from [<802785a0>] (process_one_work+0x1b4/0x4f4 kernel/workqueue.c:3263) r7:ddde3d80 r6:83018600 r5:8583d38c r4:84e4ab80 [<802783ec>] (process_one_work) from [<802791e8>] (process_scheduled_works kernel/workqueue.c:3346 [inline]) [<802783ec>] (process_one_work) from [<802791e8>] (worker_thread+0x1fc/0x3d8 kernel/workqueue.c:3427) r10:61c88647 r9:841a1800 r8:84e4abac r7:82804d40 r6:ddde3d80 r5:ddde3da0 r4:84e4ab80 [<80278fec>] (worker_thread) from [<8028020c>] (kthread+0x12c/0x280 kernel/kthread.c:463) r10:00000000 r9:84e4ab80 r8:80278fec r7:dfae1e60 r6:84e4a080 r5:841a1800 r4:00000001 [<802800e0>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137) Exception stack(0xdfaa5fb0 to 0xdfaa5ff8) 5fa0: 00000000 00000000 00000000 00000000 5fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 5fe0: 00000000 00000000 00000000 00000000 00000013 00000000 r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802800e0 r4:854fcbc0 INFO: task kworker/1:56:4347 blocked for more than 430 seconds. Not tainted syzkaller #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:kworker/1:56 state:D stack:0 pid:4347 tgid:4347 ppid:2 task_flags:0x4208060 flags:0x00000000 Workqueue: events bpf_prog_free_deferred Call trace: [<81a643fc>] (__schedule) from [<81a65390>] (__schedule_loop kernel/sched/core.c:7011 [inline]) [<81a643fc>] (__schedule) from [<81a65390>] (schedule+0x2c/0x130 kernel/sched/core.c:7026) r10:dfca1d84 r9:00000002 r8:60000113 r7:829171a0 r6:dfca1d8c r5:84208c00 r4:84208c00 [<81a65364>] (schedule) from [<81a65778>] (schedule_preempt_disabled+0x18/0x24 kernel/sched/core.c:7083) r5:84208c00 r4:8291719c [<81a65760>] (schedule_preempt_disabled) from [<81a68328>] (__mutex_lock_common kernel/locking/mutex.c:676 [inline]) [<81a65760>] (schedule_preempt_disabled) from [<81a68328>] (__mutex_lock.constprop.0+0x350/0xa24 kernel/locking/mutex.c:760) [<81a67fd8>] (__mutex_lock.constprop.0) from [<81a68ad0>] (__mutex_lock_slowpath+0x14/0x18 kernel/locking/mutex.c:1049) r10:8280c960 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:dfca1e08 r4:00000000 [<81a68abc>] (__mutex_lock_slowpath) from [<81a68b10>] (mutex_lock+0x3c/0x40 kernel/locking/mutex.c:274) [<81a68ad4>] (mutex_lock) from [<804ea30c>] (_vm_unmap_aliases+0x68/0x240 mm/vmalloc.c:2918) [<804ea2a4>] (_vm_unmap_aliases) from [<804ee0ec>] (vm_reset_perms mm/vmalloc.c:3349 [inline]) [<804ea2a4>] (_vm_unmap_aliases) from [<804ee0ec>] (vfree+0x16c/0x210 mm/vmalloc.c:3428) r10:83016170 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:84e97a00 r4:00000000 [<804edf80>] (vfree) from [<80559038>] (execmem_free+0x30/0x50 mm/execmem.c:503) r9:83018605 r8:84208c00 r7:00000000 r6:83018600 r5:00001000 r4:7f043000 [<80559008>] (execmem_free) from [<803c5fa0>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1052) r5:00001000 r4:e43f5000 [<803c5f90>] (bpf_jit_free_exec) from [<803c6380>] (bpf_jit_binary_free kernel/bpf/core.c:1098 [inline]) [<803c5f90>] (bpf_jit_free_exec) from [<803c6380>] (bpf_jit_free+0x68/0xe4 kernel/bpf/core.c:1221) [<803c6318>] (bpf_jit_free) from [<803c7428>] (bpf_prog_free_deferred+0x140/0x158 kernel/bpf/core.c:2898) r5:8583d78c r4:84954600 [<803c72e8>] (bpf_prog_free_deferred) from [<802785a0>] (process_one_work+0x1b4/0x4f4 kernel/workqueue.c:3263) r7:ddde3d80 r6:83018600 r5:8583d78c r4:84954600 [<802783ec>] (process_one_work) from [<802791e8>] (process_scheduled_works kernel/workqueue.c:3346 [inline]) [<802783ec>] (process_one_work) from [<802791e8>] (worker_thread+0x1fc/0x3d8 kernel/workqueue.c:3427) r10:61c88647 r9:84208c00 r8:8495462c r7:82804d40 r6:ddde3d80 r5:ddde3da0 r4:84954600 [<80278fec>] (worker_thread) from [<8028020c>] (kthread+0x12c/0x280 kernel/kthread.c:463) r10:00000000 r9:84954600 r8:80278fec r7:dfaa5e60 r6:855f9900 r5:84208c00 r4:00000001 [<802800e0>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137) Exception stack(0xdfca1fb0 to 0xdfca1ff8) 1fa0: 00000000 00000000 00000000 00000000 1fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 1fe0: 00000000 00000000 00000000 00000000 00000013 00000000 r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802800e0 r4:85421000 INFO: task kworker/1:56:4347 is blocked on a mutex likely owned by task kworker/1:48:4332. task:kworker/1:48 state:R running task stack:0 pid:4332 tgid:4332 ppid:2 task_flags:0x4208060 flags:0x00000000 Workqueue: events bpf_prog_free_deferred Call trace: [<81a643fc>] (__schedule) from [<81a657c4>] (preempt_schedule_irq+0x40/0xa8 kernel/sched/core.c:7256) r10:8280c9b4 r9:841a1800 r8:80200c04 r7:dfaa5d54 r6:ffffffff r5:841a1800 r4:00000000 [<81a65784>] (preempt_schedule_irq) from [<80200c24>] (svc_preempt+0x8/0x18) Exception stack(0xdfaa5d20 to 0xdfaa5d68) 5d20: addb3000 ebc85000 00000001 80239bf8 7f00b000 00000001 82acb1c4 82aca5a0 5d40: 7f00b000 ebc85000 8280c9b4 dfaa5d9c dfaa5da0 dfaa5d70 80230af0 80239c10 5d60: 80000113 ffffffff r5:80000113 r4:80239c10 [<80230a8c>] (flush_tlb_kernel_range) from [<804ea0d0>] (__purge_vmap_area_lazy+0x284/0x458 mm/vmalloc.c:2342) r4:82acb1e4 [<804e9e4c>] (__purge_vmap_area_lazy) from [<804ea488>] (_vm_unmap_aliases+0x1e4/0x240 mm/vmalloc.c:2957) r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:dfaa5dc0 r5:dfaa5e08 r4:dfaa5dc0 [<804ea2a4>] (_vm_unmap_aliases) from [<804ee0ec>] (vm_reset_perms mm/vmalloc.c:3349 [inline]) [<804ea2a4>] (_vm_unmap_aliases) from [<804ee0ec>] (vfree+0x16c/0x210 mm/vmalloc.c:3428) r10:83016170 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:85603140 r4:00000000 [<804edf80>] (vfree) from [<80559038>] (execmem_free+0x30/0x50 mm/execmem.c:503) r9:83018605 r8:841a1800 r7:00000000 r6:83018600 r5:00001000 r4:7f03f000 [<80559008>] (execmem_free) from [<803c5fa0>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1052) r5:00001000 r4:e02bf000 [<803c5f90>] (bpf_jit_free_exec) from [<803c6380>] (bpf_jit_binary_free kernel/bpf/core.c:1098 [inline]) [<803c5f90>] (bpf_jit_free_exec) from [<803c6380>] (bpf_jit_free+0x68/0xe4 kernel/bpf/core.c:1221) [<803c6318>] (bpf_jit_free) from [<803c7428>] (bpf_prog_free_deferred+0x140/0x158 kernel/bpf/core.c:2898) r5:8583d38c r4:84e4ab80 [<803c72e8>] (bpf_prog_free_deferred) from [<802785a0>] (process_one_work+0x1b4/0x4f4 kernel/workqueue.c:3263) r7:ddde3d80 r6:83018600 r5:8583d38c r4:84e4ab80 [<802783ec>] (process_one_work) from [<802791e8>] (process_scheduled_works kernel/workqueue.c:3346 [inline]) [<802783ec>] (process_one_work) from [<802791e8>] (worker_thread+0x1fc/0x3d8 kernel/workqueue.c:3427) r10:61c88647 r9:841a1800 r8:84e4abac r7:82804d40 r6:ddde3d80 r5:ddde3da0 r4:84e4ab80 [<80278fec>] (worker_thread) from [<8028020c>] (kthread+0x12c/0x280 kernel/kthread.c:463) r10:00000000 r9:84e4ab80 r8:80278fec r7:dfae1e60 r6:84e4a080 r5:841a1800 r4:00000001 [<802800e0>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137) Exception stack(0xdfaa5fb0 to 0xdfaa5ff8) 5fa0: 00000000 00000000 00000000 00000000 5fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 5fe0: 00000000 00000000 00000000 00000000 00000013 00000000 r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802800e0 r4:854fcbc0 INFO: task kworker/1:58:4351 blocked for more than 430 seconds. Not tainted syzkaller #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:kworker/1:58 state:D stack:0 pid:4351 tgid:4351 ppid:2 task_flags:0x4208060 flags:0x00000000 Workqueue: events bpf_prog_free_deferred Call trace: [<81a643fc>] (__schedule) from [<81a65390>] (__schedule_loop kernel/sched/core.c:7011 [inline]) [<81a643fc>] (__schedule) from [<81a65390>] (schedule+0x2c/0x130 kernel/sched/core.c:7026) r10:dfd21d84 r9:00000002 r8:60000113 r7:829171a0 r6:dfd21d8c r5:84c90c00 r4:84c90c00 [<81a65364>] (schedule) from [<81a65778>] (schedule_preempt_disabled+0x18/0x24 kernel/sched/core.c:7083) r5:84c90c00 r4:8291719c [<81a65760>] (schedule_preempt_disabled) from [<81a68328>] (__mutex_lock_common kernel/locking/mutex.c:676 [inline]) [<81a65760>] (schedule_preempt_disabled) from [<81a68328>] (__mutex_lock.constprop.0+0x350/0xa24 kernel/locking/mutex.c:760) [<81a67fd8>] (__mutex_lock.constprop.0) from [<81a68ad0>] (__mutex_lock_slowpath+0x14/0x18 kernel/locking/mutex.c:1049) r10:8280c960 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:dfd21e08 r4:00000000 [<81a68abc>] (__mutex_lock_slowpath) from [<81a68b10>] (mutex_lock+0x3c/0x40 kernel/locking/mutex.c:274) [<81a68ad4>] (mutex_lock) from [<804ea30c>] (_vm_unmap_aliases+0x68/0x240 mm/vmalloc.c:2918) [<804ea2a4>] (_vm_unmap_aliases) from [<804ee0ec>] (vm_reset_perms mm/vmalloc.c:3349 [inline]) [<804ea2a4>] (_vm_unmap_aliases) from [<804ee0ec>] (vfree+0x16c/0x210 mm/vmalloc.c:3428) r10:83016170 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:84e97d40 r4:00000000 [<804edf80>] (vfree) from [<80559038>] (execmem_free+0x30/0x50 mm/execmem.c:503) r9:83018605 r8:84c90c00 r7:00000000 r6:83018600 r5:00001000 r4:7f041000 [<80559008>] (execmem_free) from [<803c5fa0>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1052) r5:00001000 r4:e43a2000 [<803c5f90>] (bpf_jit_free_exec) from [<803c6380>] (bpf_jit_binary_free kernel/bpf/core.c:1098 [inline]) [<803c5f90>] (bpf_jit_free_exec) from [<803c6380>] (bpf_jit_free+0x68/0xe4 kernel/bpf/core.c:1221) [<803c6318>] (bpf_jit_free) from [<803c7428>] (bpf_prog_free_deferred+0x140/0x158 kernel/bpf/core.c:2898) r5:8583ff8c r4:855f9800 [<803c72e8>] (bpf_prog_free_deferred) from [<802785a0>] (process_one_work+0x1b4/0x4f4 kernel/workqueue.c:3263) r7:ddde3d80 r6:83018600 r5:8583ff8c r4:855f9800 [<802783ec>] (process_one_work) from [<802791e8>] (process_scheduled_works kernel/workqueue.c:3346 [inline]) [<802783ec>] (process_one_work) from [<802791e8>] (worker_thread+0x1fc/0x3d8 kernel/workqueue.c:3427) r10:61c88647 r9:84c90c00 r8:855f982c r7:82804d40 r6:ddde3d80 r5:ddde3da0 r4:855f9800 [<80278fec>] (worker_thread) from [<8028020c>] (kthread+0x12c/0x280 kernel/kthread.c:463) r10:00000000 r9:855f9800 r8:80278fec r7:dfcf9e60 r6:855f9200 r5:84c90c00 r4:00000001 [<802800e0>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137) Exception stack(0xdfd21fb0 to 0xdfd21ff8) 1fa0: 00000000 00000000 00000000 00000000 1fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 1fe0: 00000000 00000000 00000000 00000000 00000013 00000000 r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802800e0 r4:85421a40 INFO: task kworker/1:58:4351 is blocked on a mutex likely owned by task kworker/1:48:4332. task:kworker/1:48 state:R running task stack:0 pid:4332 tgid:4332 ppid:2 task_flags:0x4208060 flags:0x00000000 Workqueue: events bpf_prog_free_deferred Call trace: [<81a643fc>] (__schedule) from [<81a657c4>] (preempt_schedule_irq+0x40/0xa8 kernel/sched/core.c:7256) r10:8280c9b4 r9:841a1800 r8:80200c04 r7:dfaa5d54 r6:ffffffff r5:841a1800 r4:00000000 [<81a65784>] (preempt_schedule_irq) from [<80200c24>] (svc_preempt+0x8/0x18) Exception stack(0xdfaa5d20 to 0xdfaa5d68) 5d20: addb3000 ebc85000 00000001 80239bf8 7f00b000 00000001 82acb1c4 82aca5a0 5d40: 7f00b000 ebc85000 8280c9b4 dfaa5d9c dfaa5da0 dfaa5d70 80230af0 80239c10 5d60: 80000113 ffffffff r5:80000113 r4:80239c10 [<80230a8c>] (flush_tlb_kernel_range) from [<804ea0d0>] (__purge_vmap_area_lazy+0x284/0x458 mm/vmalloc.c:2342) r4:82acb1e4 [<804e9e4c>] (__purge_vmap_area_lazy) from [<804ea488>] (_vm_unmap_aliases+0x1e4/0x240 mm/vmalloc.c:2957) r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:dfaa5dc0 r5:dfaa5e08 r4:dfaa5dc0 [<804ea2a4>] (_vm_unmap_aliases) from [<804ee0ec>] (vm_reset_perms mm/vmalloc.c:3349 [inline]) [<804ea2a4>] (_vm_unmap_aliases) from [<804ee0ec>] (vfree+0x16c/0x210 mm/vmalloc.c:3428) r10:83016170 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:85603140 r4:00000000 [<804edf80>] (vfree) from [<80559038>] (execmem_free+0x30/0x50 mm/execmem.c:503) r9:83018605 r8:841a1800 r7:00000000 r6:83018600 r5:00001000 r4:7f03f000 [<80559008>] (execmem_free) from [<803c5fa0>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1052) r5:00001000 r4:e02bf000 [<803c5f90>] (bpf_jit_free_exec) from [<803c6380>] (bpf_jit_binary_free kernel/bpf/core.c:1098 [inline]) [<803c5f90>] (bpf_jit_free_exec) from [<803c6380>] (bpf_jit_free+0x68/0xe4 kernel/bpf/core.c:1221) [<803c6318>] (bpf_jit_free) from [<803c7428>] (bpf_prog_free_deferred+0x140/0x158 kernel/bpf/core.c:2898) r5:8583d38c r4:84e4ab80 [<803c72e8>] (bpf_prog_free_deferred) from [<802785a0>] (process_one_work+0x1b4/0x4f4 kernel/workqueue.c:3263) r7:ddde3d80 r6:83018600 r5:8583d38c r4:84e4ab80 [<802783ec>] (process_one_work) from [<802791e8>] (process_scheduled_works kernel/workqueue.c:3346 [inline]) [<802783ec>] (process_one_work) from [<802791e8>] (worker_thread+0x1fc/0x3d8 kernel/workqueue.c:3427) r10:61c88647 r9:841a1800 r8:84e4abac r7:82804d40 r6:ddde3d80 r5:ddde3da0 r4:84e4ab80 [<80278fec>] (worker_thread) from [<8028020c>] (kthread+0x12c/0x280 kernel/kthread.c:463) r10:00000000 r9:84e4ab80 r8:80278fec r7:dfae1e60 r6:84e4a080 r5:841a1800 r4:00000001 [<802800e0>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137) Exception stack(0xdfaa5fb0 to 0xdfaa5ff8) 5fa0: 00000000 00000000 00000000 00000000 5fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 5fe0: 00000000 00000000 00000000 00000000 00000013 00000000 r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802800e0 r4:854fcbc0 INFO: task kworker/1:59:4354 blocked for more than 430 seconds. Not tainted syzkaller #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:kworker/1:59 state:D stack:0 pid:4354 tgid:4354 ppid:2 task_flags:0x4208060 flags:0x00000000 Workqueue: events bpf_prog_free_deferred Call trace: [<81a643fc>] (__schedule) from [<81a65390>] (__schedule_loop kernel/sched/core.c:7011 [inline]) [<81a643fc>] (__schedule) from [<81a65390>] (schedule+0x2c/0x130 kernel/sched/core.c:7026) r10:df9edd84 r9:00000002 r8:60000013 r7:829171a0 r6:df9edd8c r5:84c92400 r4:84c92400 [<81a65364>] (schedule) from [<81a65778>] (schedule_preempt_disabled+0x18/0x24 kernel/sched/core.c:7083) r5:84c92400 r4:8291719c [<81a65760>] (schedule_preempt_disabled) from [<81a68328>] (__mutex_lock_common kernel/locking/mutex.c:676 [inline]) [<81a65760>] (schedule_preempt_disabled) from [<81a68328>] (__mutex_lock.constprop.0+0x350/0xa24 kernel/locking/mutex.c:760) [<81a67fd8>] (__mutex_lock.constprop.0) from [<81a68ad0>] (__mutex_lock_slowpath+0x14/0x18 kernel/locking/mutex.c:1049) r10:8280c960 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:df9ede08 r4:00000000 [<81a68abc>] (__mutex_lock_slowpath) from [<81a68b10>] (mutex_lock+0x3c/0x40 kernel/locking/mutex.c:274) [<81a68ad4>] (mutex_lock) from [<804ea30c>] (_vm_unmap_aliases+0x68/0x240 mm/vmalloc.c:2918) [<804ea2a4>] (_vm_unmap_aliases) from [<804ee0ec>] (vm_reset_perms mm/vmalloc.c:3349 [inline]) [<804ea2a4>] (_vm_unmap_aliases) from [<804ee0ec>] (vfree+0x16c/0x210 mm/vmalloc.c:3428) r10:83016170 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:856dfec0 r4:00000000 [<804edf80>] (vfree) from [<80559038>] (execmem_free+0x30/0x50 mm/execmem.c:503) r9:83018605 r8:84c92400 r7:00000000 r6:83018600 r5:00001000 r4:7f04d000 [<80559008>] (execmem_free) from [<803c5fa0>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1052) r5:00001000 r4:ea811000 [<803c5f90>] (bpf_jit_free_exec) from [<803c6380>] (bpf_jit_binary_free kernel/bpf/core.c:1098 [inline]) [<803c5f90>] (bpf_jit_free_exec) from [<803c6380>] (bpf_jit_free+0x68/0xe4 kernel/bpf/core.c:1221) [<803c6318>] (bpf_jit_free) from [<803c7428>] (bpf_prog_free_deferred+0x140/0x158 kernel/bpf/core.c:2898) r5:8599c78c r4:855f9700 [<803c72e8>] (bpf_prog_free_deferred) from [<802785a0>] (process_one_work+0x1b4/0x4f4 kernel/workqueue.c:3263) r7:ddde3d80 r6:83018600 r5:8599c78c r4:855f9700 [<802783ec>] (process_one_work) from [<802791e8>] (process_scheduled_works kernel/workqueue.c:3346 [inline]) [<802783ec>] (process_one_work) from [<802791e8>] (worker_thread+0x1fc/0x3d8 kernel/workqueue.c:3427) r10:61c88647 r9:84c92400 r8:855f972c r7:82804d40 r6:ddde3d80 r5:ddde3da0 r4:855f9700 [<80278fec>] (worker_thread) from [<8028020c>] (kthread+0x12c/0x280 kernel/kthread.c:463) r10:00000000 r9:855f9700 r8:80278fec r7:dfd21e60 r6:855f9f00 r5:84c92400 r4:00000001 [<802800e0>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137) Exception stack(0xdf9edfb0 to 0xdf9edff8) dfa0: 00000000 00000000 00000000 00000000 dfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 dfe0: 00000000 00000000 00000000 00000000 00000013 00000000 r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802800e0 r4:85421f40 INFO: task kworker/1:59:4354 is blocked on a mutex likely owned by task kworker/1:48:4332. task:kworker/1:48 state:R running task stack:0 pid:4332 tgid:4332 ppid:2 task_flags:0x4208060 flags:0x00000000 Workqueue: events bpf_prog_free_deferred Call trace: [<81a643fc>] (__schedule) from [<81a657c4>] (preempt_schedule_irq+0x40/0xa8 kernel/sched/core.c:7256) r10:8280c9b4 r9:841a1800 r8:80200c04 r7:dfaa5d54 r6:ffffffff r5:841a1800 r4:00000000 [<81a65784>] (preempt_schedule_irq) from [<80200c24>] (svc_preempt+0x8/0x18) Exception stack(0xdfaa5d20 to 0xdfaa5d68) 5d20: addb3000 ebc85000 00000001 80239bf8 7f00b000 00000001 82acb1c4 82aca5a0 5d40: 7f00b000 ebc85000 8280c9b4 dfaa5d9c dfaa5da0 dfaa5d70 80230af0 80239c10 5d60: 80000113 ffffffff r5:80000113 r4:80239c10 [<80230a8c>] (flush_tlb_kernel_range) from [<804ea0d0>] (__purge_vmap_area_lazy+0x284/0x458 mm/vmalloc.c:2342) r4:82acb1e4 [<804e9e4c>] (__purge_vmap_area_lazy) from [<804ea488>] (_vm_unmap_aliases+0x1e4/0x240 mm/vmalloc.c:2957) r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:dfaa5dc0 r5:dfaa5e08 r4:dfaa5dc0 [<804ea2a4>] (_vm_unmap_aliases) from [<804ee0ec>] (vm_reset_perms mm/vmalloc.c:3349 [inline]) [<804ea2a4>] (_vm_unmap_aliases) from [<804ee0ec>] (vfree+0x16c/0x210 mm/vmalloc.c:3428) r10:83016170 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:85603140 r4:00000000 [<804edf80>] (vfree) from [<80559038>] (execmem_free+0x30/0x50 mm/execmem.c:503) r9:83018605 r8:841a1800 r7:00000000 r6:83018600 r5:00001000 r4:7f03f000 [<80559008>] (execmem_free) from [<803c5fa0>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1052) r5:00001000 r4:e02bf000 [<803c5f90>] (bpf_jit_free_exec) from [<803c6380>] (bpf_jit_binary_free kernel/bpf/core.c:1098 [inline]) [<803c5f90>] (bpf_jit_free_exec) from [<803c6380>] (bpf_jit_free+0x68/0xe4 kernel/bpf/core.c:1221) [<803c6318>] (bpf_jit_free) from [<803c7428>] (bpf_prog_free_deferred+0x140/0x158 kernel/bpf/core.c:2898) r5:8583d38c r4:84e4ab80 [<803c72e8>] (bpf_prog_free_deferred) from [<802785a0>] (process_one_work+0x1b4/0x4f4 kernel/workqueue.c:3263) r7:ddde3d80 r6:83018600 r5:8583d38c r4:84e4ab80 [<802783ec>] (process_one_work) from [<802791e8>] (process_scheduled_works kernel/workqueue.c:3346 [inline]) [<802783ec>] (process_one_work) from [<802791e8>] (worker_thread+0x1fc/0x3d8 kernel/workqueue.c:3427) r10:61c88647 r9:841a1800 r8:84e4abac r7:82804d40 r6:ddde3d80 r5:ddde3da0 r4:84e4ab80 [<80278fec>] (worker_thread) from [<8028020c>] (kthread+0x12c/0x280 kernel/kthread.c:463) r10:00000000 r9:84e4ab80 r8:80278fec r7:dfae1e60 r6:84e4a080 r5:841a1800 r4:00000001 [<802800e0>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137) Exception stack(0xdfaa5fb0 to 0xdfaa5ff8) 5fa0: 00000000 00000000 00000000 00000000 5fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 5fe0: 00000000 00000000 00000000 00000000 00000013 00000000 r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802800e0 r4:854fcbc0 Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings INFO: task kworker/1:60:4356 blocked for more than 430 seconds. Not tainted syzkaller #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:kworker/1:60 state:D stack:0 pid:4356 tgid:4356 ppid:2 task_flags:0x4208060 flags:0x00000000 Workqueue: events bpf_prog_free_deferred Call trace: [<81a643fc>] (__schedule) from [<81a65390>] (__schedule_loop kernel/sched/core.c:7011 [inline]) [<81a643fc>] (__schedule) from [<81a65390>] (schedule+0x2c/0x130 kernel/sched/core.c:7026) r10:dfa01d84 r9:00000002 r8:60000113 r7:829171a0 r6:dfa01d8c r5:84c93000 r4:84c93000 [<81a65364>] (schedule) from [<81a65778>] (schedule_preempt_disabled+0x18/0x24 kernel/sched/core.c:7083) r5:84c93000 r4:8291719c [<81a65760>] (schedule_preempt_disabled) from [<81a68328>] (__mutex_lock_common kernel/locking/mutex.c:676 [inline]) [<81a65760>] (schedule_preempt_disabled) from [<81a68328>] (__mutex_lock.constprop.0+0x350/0xa24 kernel/locking/mutex.c:760) [<81a67fd8>] (__mutex_lock.constprop.0) from [<81a68ad0>] (__mutex_lock_slowpath+0x14/0x18 kernel/locking/mutex.c:1049) r10:8280c960 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:dfa01e08 r4:00000000 [<81a68abc>] (__mutex_lock_slowpath) from [<81a68b10>] (mutex_lock+0x3c/0x40 kernel/locking/mutex.c:274) [<81a68ad4>] (mutex_lock) from [<804ea30c>] (_vm_unmap_aliases+0x68/0x240 mm/vmalloc.c:2918) [<804ea2a4>] (_vm_unmap_aliases) from [<804ee0ec>] (vm_reset_perms mm/vmalloc.c:3349 [inline]) [<804ea2a4>] (_vm_unmap_aliases) from [<804ee0ec>] (vfree+0x16c/0x210 mm/vmalloc.c:3428) r10:83016170 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:857a0e00 r4:00000000 [<804edf80>] (vfree) from [<80559038>] (execmem_free+0x30/0x50 mm/execmem.c:503) r9:83018605 r8:84c93000 r7:00000000 r6:83018600 r5:00001000 r4:7f059000 [<80559008>] (execmem_free) from [<803c5fa0>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1052) r5:00001000 r4:eacfb000 [<803c5f90>] (bpf_jit_free_exec) from [<803c6380>] (bpf_jit_binary_free kernel/bpf/core.c:1098 [inline]) [<803c5f90>] (bpf_jit_free_exec) from [<803c6380>] (bpf_jit_free+0x68/0xe4 kernel/bpf/core.c:1221) [<803c6318>] (bpf_jit_free) from [<803c7428>] (bpf_prog_free_deferred+0x140/0x158 kernel/bpf/core.c:2898) r5:8599eb8c r4:855f9380 [<803c72e8>] (bpf_prog_free_deferred) from [<802785a0>] (process_one_work+0x1b4/0x4f4 kernel/workqueue.c:3263) r7:ddde3d80 r6:83018600 r5:8599eb8c r4:855f9380 [<802783ec>] (process_one_work) from [<802791e8>] (process_scheduled_works kernel/workqueue.c:3346 [inline]) [<802783ec>] (process_one_work) from [<802791e8>] (worker_thread+0x1fc/0x3d8 kernel/workqueue.c:3427) r10:61c88647 r9:84c93000 r8:855f93ac r7:82804d40 r6:ddde3d80 r5:ddde3da0 r4:855f9380 [<80278fec>] (worker_thread) from [<8028020c>] (kthread+0x12c/0x280 kernel/kthread.c:463) r10:00000000 r9:855f9380 r8:80278fec r7:df9ede60 r6:855f9500 r5:84c93000 r4:00000001 [<802800e0>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137) Exception stack(0xdfa01fb0 to 0xdfa01ff8) 1fa0: 00000000 00000000 00000000 00000000 1fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 1fe0: 00000000 00000000 00000000 00000000 00000013 00000000 r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802800e0 r4:85421480 INFO: task kworker/1:60:4356 is blocked on a mutex likely owned by task kworker/1:48:4332. task:kworker/1:48 state:R running task stack:0 pid:4332 tgid:4332 ppid:2 task_flags:0x4208060 flags:0x00000000 Workqueue: events bpf_prog_free_deferred Call trace: [<81a643fc>] (__schedule) from [<81a657c4>] (preempt_schedule_irq+0x40/0xa8 kernel/sched/core.c:7256) r10:8280c9b4 r9:841a1800 r8:80200c04 r7:dfaa5d54 r6:ffffffff r5:841a1800 r4:00000000 [<81a65784>] (preempt_schedule_irq) from [<80200c24>] (svc_preempt+0x8/0x18) Exception stack(0xdfaa5d20 to 0xdfaa5d68) 5d20: addb3000 ebc85000 00000001 80239bf8 7f00b000 00000001 82acb1c4 82aca5a0 5d40: 7f00b000 ebc85000 8280c9b4 dfaa5d9c dfaa5da0 dfaa5d70 80230af0 80239c10 5d60: 80000113 ffffffff r5:80000113 r4:80239c10 [<80230a8c>] (flush_tlb_kernel_range) from [<804ea0d0>] (__purge_vmap_area_lazy+0x284/0x458 mm/vmalloc.c:2342) r4:82acb1e4 [<804e9e4c>] (__purge_vmap_area_lazy) from [<804ea488>] (_vm_unmap_aliases+0x1e4/0x240 mm/vmalloc.c:2957) r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:dfaa5dc0 r5:dfaa5e08 r4:dfaa5dc0 [<804ea2a4>] (_vm_unmap_aliases) from [<804ee0ec>] (vm_reset_perms mm/vmalloc.c:3349 [inline]) [<804ea2a4>] (_vm_unmap_aliases) from [<804ee0ec>] (vfree+0x16c/0x210 mm/vmalloc.c:3428) r10:83016170 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:85603140 r4:00000000 [<804edf80>] (vfree) from [<80559038>] (execmem_free+0x30/0x50 mm/execmem.c:503) r9:83018605 r8:841a1800 r7:00000000 r6:83018600 r5:00001000 r4:7f03f000 [<80559008>] (execmem_free) from [<803c5fa0>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1052) r5:00001000 r4:e02bf000 [<803c5f90>] (bpf_jit_free_exec) from [<803c6380>] (bpf_jit_binary_free kernel/bpf/core.c:1098 [inline]) [<803c5f90>] (bpf_jit_free_exec) from [<803c6380>] (bpf_jit_free+0x68/0xe4 kernel/bpf/core.c:1221) [<803c6318>] (bpf_jit_free) from [<803c7428>] (bpf_prog_free_deferred+0x140/0x158 kernel/bpf/core.c:2898) r5:8583d38c r4:84e4ab80 [<803c72e8>] (bpf_prog_free_deferred) from [<802785a0>] (process_one_work+0x1b4/0x4f4 kernel/workqueue.c:3263) r7:ddde3d80 r6:83018600 r5:8583d38c r4:84e4ab80 [<802783ec>] (process_one_work) from [<802791e8>] (process_scheduled_works kernel/workqueue.c:3346 [inline]) [<802783ec>] (process_one_work) from [<802791e8>] (worker_thread+0x1fc/0x3d8 kernel/workqueue.c:3427) r10:61c88647 r9:841a1800 r8:84e4abac r7:82804d40 r6:ddde3d80 r5:ddde3da0 r4:84e4ab80 [<80278fec>] (worker_thread) from [<8028020c>] (kthread+0x12c/0x280 kernel/kthread.c:463) r10:00000000 r9:84e4ab80 r8:80278fec r7:dfae1e60 r6:84e4a080 r5:841a1800 r4:00000001 [<802800e0>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137) Exception stack(0xdfaa5fb0 to 0xdfaa5ff8) 5fa0: 00000000 00000000 00000000 00000000 5fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 5fe0: 00000000 00000000 00000000 00000000 00000013 00000000 r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802800e0 r4:854fcbc0 Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings INFO: task kworker/1:61:4358 blocked for more than 430 seconds. Not tainted syzkaller #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:kworker/1:61 state:D stack:0 pid:4358 tgid:4358 ppid:2 task_flags:0x4208060 flags:0x00000000 Workqueue: events bpf_prog_free_deferred Call trace: [<81a643fc>] (__schedule) from [<81a65390>] (__schedule_loop kernel/sched/core.c:7011 [inline]) [<81a643fc>] (__schedule) from [<81a65390>] (schedule+0x2c/0x130 kernel/sched/core.c:7026) r10:dfb11d84 r9:00000002 r8:60000013 r7:829171a0 r6:dfb11d8c r5:84c93c00 r4:84c93c00 [<81a65364>] (schedule) from [<81a65778>] (schedule_preempt_disabled+0x18/0x24 kernel/sched/core.c:7083) r5:84c93c00 r4:8291719c [<81a65760>] (schedule_preempt_disabled) from [<81a68328>] (__mutex_lock_common kernel/locking/mutex.c:676 [inline]) [<81a65760>] (schedule_preempt_disabled) from [<81a68328>] (__mutex_lock.constprop.0+0x350/0xa24 kernel/locking/mutex.c:760) [<81a67fd8>] (__mutex_lock.constprop.0) from [<81a68ad0>] (__mutex_lock_slowpath+0x14/0x18 kernel/locking/mutex.c:1049) r10:8280c960 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:dfb11e08 r4:00000000 [<81a68abc>] (__mutex_lock_slowpath) from [<81a68b10>] (mutex_lock+0x3c/0x40 kernel/locking/mutex.c:274) [<81a68ad4>] (mutex_lock) from [<804ea30c>] (_vm_unmap_aliases+0x68/0x240 mm/vmalloc.c:2918) [<804ea2a4>] (_vm_unmap_aliases) from [<804ee0ec>] (vm_reset_perms mm/vmalloc.c:3349 [inline]) [<804ea2a4>] (_vm_unmap_aliases) from [<804ee0ec>] (vfree+0x16c/0x210 mm/vmalloc.c:3428) r10:83016170 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:84e97340 r4:00000000 [<804edf80>] (vfree) from [<80559038>] (execmem_free+0x30/0x50 mm/execmem.c:503) r9:83018605 r8:84c93c00 r7:00000000 r6:83018600 r5:00001000 r4:7f045000 [<80559008>] (execmem_free) from [<803c5fa0>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1052) r5:00001000 r4:ea49b000 [<803c5f90>] (bpf_jit_free_exec) from [<803c6380>] (bpf_jit_binary_free kernel/bpf/core.c:1098 [inline]) [<803c5f90>] (bpf_jit_free_exec) from [<803c6380>] (bpf_jit_free+0x68/0xe4 kernel/bpf/core.c:1221) [<803c6318>] (bpf_jit_free) from [<803c7428>] (bpf_prog_free_deferred+0x140/0x158 kernel/bpf/core.c:2898) r5:8599f38c r4:855f9d00 [<803c72e8>] (bpf_prog_free_deferred) from [<802785a0>] (process_one_work+0x1b4/0x4f4 kernel/workqueue.c:3263) r7:ddde3d80 r6:83018600 r5:8599f38c r4:855f9d00 [<802783ec>] (process_one_work) from [<802791e8>] (process_scheduled_works kernel/workqueue.c:3346 [inline]) [<802783ec>] (process_one_work) from [<802791e8>] (worker_thread+0x1fc/0x3d8 kernel/workqueue.c:3427) r10:61c88647 r9:84c93c00 r8:855f9d2c r7:82804d40 r6:ddde3d80 r5:ddde3da0 r4:855f9d00 [<80278fec>] (worker_thread) from [<8028020c>] (kthread+0x12c/0x280 kernel/kthread.c:463) r10:00000000 r9:855f9d00 r8:80278fec r7:df9ede60 r6:855f9680 r5:84c93c00 r4:00000001 [<802800e0>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137) Exception stack(0xdfb11fb0 to 0xdfb11ff8) 1fa0: 00000000 00000000 00000000 00000000 1fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 1fe0: 00000000 00000000 00000000 00000000 00000013 00000000 r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802800e0 r4:856df500 INFO: task kworker/1:61:4358 is blocked on a mutex likely owned by task kworker/1:48:4332. task:kworker/1:48 state:R running task stack:0 pid:4332 tgid:4332 ppid:2 task_flags:0x4208060 flags:0x00000000 Workqueue: events bpf_prog_free_deferred Call trace: [<81a643fc>] (__schedule) from [<81a657c4>] (preempt_schedule_irq+0x40/0xa8 kernel/sched/core.c:7256) r10:8280c9b4 r9:841a1800 r8:80200c04 r7:dfaa5d54 r6:ffffffff r5:841a1800 r4:00000000 [<81a65784>] (preempt_schedule_irq) from [<80200c24>] (svc_preempt+0x8/0x18) Exception stack(0xdfaa5d20 to 0xdfaa5d68) 5d20: addb3000 ebc85000 00000001 80239bf8 7f00b000 00000001 82acb1c4 82aca5a0 5d40: 7f00b000 ebc85000 8280c9b4 dfaa5d9c dfaa5da0 dfaa5d70 80230af0 80239c10 5d60: 80000113 ffffffff r5:80000113 r4:80239c10 [<80230a8c>] (flush_tlb_kernel_range) from [<804ea0d0>] (__purge_vmap_area_lazy+0x284/0x458 mm/vmalloc.c:2342) r4:82acb1e4 [<804e9e4c>] (__purge_vmap_area_lazy) from [<804ea488>] (_vm_unmap_aliases+0x1e4/0x240 mm/vmalloc.c:2957) r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:dfaa5dc0 r5:dfaa5e08 r4:dfaa5dc0 [<804ea2a4>] (_vm_unmap_aliases) from [<804ee0ec>] (vm_reset_perms mm/vmalloc.c:3349 [inline]) [<804ea2a4>] (_vm_unmap_aliases) from [<804ee0ec>] (vfree+0x16c/0x210 mm/vmalloc.c:3428) r10:83016170 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:85603140 r4:00000000 [<804edf80>] (vfree) from [<80559038>] (execmem_free+0x30/0x50 mm/execmem.c:503) r9:83018605 r8:841a1800 r7:00000000 r6:83018600 r5:00001000 r4:7f03f000 [<80559008>] (execmem_free) from [<803c5fa0>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1052) r5:00001000 r4:e02bf000 [<803c5f90>] (bpf_jit_free_exec) from [<803c6380>] (bpf_jit_binary_free kernel/bpf/core.c:1098 [inline]) [<803c5f90>] (bpf_jit_free_exec) from [<803c6380>] (bpf_jit_free+0x68/0xe4 kernel/bpf/core.c:1221) [<803c6318>] (bpf_jit_free) from [<803c7428>] (bpf_prog_free_deferred+0x140/0x158 kernel/bpf/core.c:2898) r5:8583d38c r4:84e4ab80 [<803c72e8>] (bpf_prog_free_deferred) from [<802785a0>] (process_one_work+0x1b4/0x4f4 kernel/workqueue.c:3263) r7:ddde3d80 r6:83018600 r5:8583d38c r4:84e4ab80 [<802783ec>] (process_one_work) from [<802791e8>] (process_scheduled_works kernel/workqueue.c:3346 [inline]) [<802783ec>] (process_one_work) from [<802791e8>] (worker_thread+0x1fc/0x3d8 kernel/workqueue.c:3427) r10:61c88647 r9:841a1800 r8:84e4abac r7:82804d40 r6:ddde3d80 r5:ddde3da0 r4:84e4ab80 [<80278fec>] (worker_thread) from [<8028020c>] (kthread+0x12c/0x280 kernel/kthread.c:463) r10:00000000 r9:84e4ab80 r8:80278fec r7:dfae1e60 r6:84e4a080 r5:841a1800 r4:00000001 [<802800e0>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137) Exception stack(0xdfaa5fb0 to 0xdfaa5ff8) 5fa0: 00000000 00000000 00000000 00000000 5fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 5fe0: 00000000 00000000 00000000 00000000 00000013 00000000 r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802800e0 r4:854fcbc0 Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings INFO: task kworker/1:62:4359 blocked for more than 430 seconds. Not tainted syzkaller #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:kworker/1:62 state:D stack:0 pid:4359 tgid:4359 ppid:2 task_flags:0x4208060 flags:0x00000000 Workqueue: events bpf_prog_free_deferred Call trace: [<81a643fc>] (__schedule) from [<81a65390>] (__schedule_loop kernel/sched/core.c:7011 [inline]) [<81a643fc>] (__schedule) from [<81a65390>] (schedule+0x2c/0x130 kernel/sched/core.c:7026) r10:dfa51d84 r9:00000002 r8:60000113 r7:829171a0 r6:dfa51d8c r5:84c94800 r4:84c94800 [<81a65364>] (schedule) from [<81a65778>] (schedule_preempt_disabled+0x18/0x24 kernel/sched/core.c:7083) r5:84c94800 r4:8291719c [<81a65760>] (schedule_preempt_disabled) from [<81a68328>] (__mutex_lock_common kernel/locking/mutex.c:676 [inline]) [<81a65760>] (schedule_preempt_disabled) from [<81a68328>] (__mutex_lock.constprop.0+0x350/0xa24 kernel/locking/mutex.c:760) [<81a67fd8>] (__mutex_lock.constprop.0) from [<81a68ad0>] (__mutex_lock_slowpath+0x14/0x18 kernel/locking/mutex.c:1049) r10:8280c960 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:dfa51e08 r4:00000000 [<81a68abc>] (__mutex_lock_slowpath) from [<81a68b10>] (mutex_lock+0x3c/0x40 kernel/locking/mutex.c:274) [<81a68ad4>] (mutex_lock) from [<804ea30c>] (_vm_unmap_aliases+0x68/0x240 mm/vmalloc.c:2918) [<804ea2a4>] (_vm_unmap_aliases) from [<804ee0ec>] (vm_reset_perms mm/vmalloc.c:3349 [inline]) [<804ea2a4>] (_vm_unmap_aliases) from [<804ee0ec>] (vfree+0x16c/0x210 mm/vmalloc.c:3428) r10:83016170 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:84e97940 r4:00000000 [<804edf80>] (vfree) from [<80559038>] (execmem_free+0x30/0x50 mm/execmem.c:503) r9:83018605 r8:84c94800 r7:00000000 r6:83018600 r5:00001000 r4:7f047000 [<80559008>] (execmem_free) from [<803c5fa0>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1052) r5:00001000 r4:ea54b000 [<803c5f90>] (bpf_jit_free_exec) from [<803c6380>] (bpf_jit_binary_free kernel/bpf/core.c:1098 [inline]) [<803c5f90>] (bpf_jit_free_exec) from [<803c6380>] (bpf_jit_free+0x68/0xe4 kernel/bpf/core.c:1221) [<803c6318>] (bpf_jit_free) from [<803c7428>] (bpf_prog_free_deferred+0x140/0x158 kernel/bpf/core.c:2898) r5:8599d78c r4:855b2e00 [<803c72e8>] (bpf_prog_free_deferred) from [<802785a0>] (process_one_work+0x1b4/0x4f4 kernel/workqueue.c:3263) r7:ddde3d80 r6:83018600 r5:8599d78c r4:855b2e00 [<802783ec>] (process_one_work) from [<802791e8>] (process_scheduled_works kernel/workqueue.c:3346 [inline]) [<802783ec>] (process_one_work) from [<802791e8>] (worker_thread+0x1fc/0x3d8 kernel/workqueue.c:3427) r10:61c88647 r9:84c94800 r8:855b2e2c r7:82804d40 r6:ddde3d80 r5:ddde3da0 r4:855b2e00 [<80278fec>] (worker_thread) from [<8028020c>] (kthread+0x12c/0x280 kernel/kthread.c:463) r10:00000000 r9:855b2e00 r8:80278fec r7:df9ede60 r6:84831880 r5:84c94800 r4:00000001 [<802800e0>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137) Exception stack(0xdfa51fb0 to 0xdfa51ff8) 1fa0: 00000000 00000000 00000000 00000000 1fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 1fe0: 00000000 00000000 00000000 00000000 00000013 00000000 r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802800e0 r4:856df100 INFO: task kworker/1:62:4359 is blocked on a mutex likely owned by task kworker/1:48:4332. task:kworker/1:48 state:R running task stack:0 pid:4332 tgid:4332 ppid:2 task_flags:0x4208060 flags:0x00000000 Workqueue: events bpf_prog_free_deferred Call trace: [<81a643fc>] (__schedule) from [<81a657c4>] (preempt_schedule_irq+0x40/0xa8 kernel/sched/core.c:7256) r10:8280c9b4 r9:841a1800 r8:80200c04 r7:dfaa5d54 r6:ffffffff r5:841a1800 r4:00000000 [<81a65784>] (preempt_schedule_irq) from [<80200c24>] (svc_preempt+0x8/0x18) Exception stack(0xdfaa5d20 to 0xdfaa5d68) 5d20: addb3000 ebc85000 00000001 80239bf8 7f00b000 00000001 82acb1c4 82aca5a0 5d40: 7f00b000 ebc85000 8280c9b4 dfaa5d9c dfaa5da0 dfaa5d70 80230af0 80239c10 5d60: 80000113 ffffffff r5:80000113 r4:80239c10 [<80230a8c>] (flush_tlb_kernel_range) from [<804ea0d0>] (__purge_vmap_area_lazy+0x284/0x458 mm/vmalloc.c:2342) r4:82acb1e4 [<804e9e4c>] (__purge_vmap_area_lazy) from [<804ea488>] (_vm_unmap_aliases+0x1e4/0x240 mm/vmalloc.c:2957) r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:dfaa5dc0 r5:dfaa5e08 r4:dfaa5dc0 [<804ea2a4>] (_vm_unmap_aliases) from [<804ee0ec>] (vm_reset_perms mm/vmalloc.c:3349 [inline]) [<804ea2a4>] (_vm_unmap_aliases) from [<804ee0ec>] (vfree+0x16c/0x210 mm/vmalloc.c:3428) r10:83016170 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:85603140 r4:00000000 [<804edf80>] (vfree) from [<80559038>] (execmem_free+0x30/0x50 mm/execmem.c:503) r9:83018605 r8:841a1800 r7:00000000 r6:83018600 r5:00001000 r4:7f03f000 [<80559008>] (execmem_free) from [<803c5fa0>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1052) r5:00001000 r4:e02bf000 [<803c5f90>] (bpf_jit_free_exec) from [<803c6380>] (bpf_jit_binary_free kernel/bpf/core.c:1098 [inline]) [<803c5f90>] (bpf_jit_free_exec) from [<803c6380>] (bpf_jit_free+0x68/0xe4 kernel/bpf/core.c:1221) [<803c6318>] (bpf_jit_free) from [<803c7428>] (bpf_prog_free_deferred+0x140/0x158 kernel/bpf/core.c:2898) r5:8583d38c r4:84e4ab80 [<803c72e8>] (bpf_prog_free_deferred) from [<802785a0>] (process_one_work+0x1b4/0x4f4 kernel/workqueue.c:3263) r7:ddde3d80 r6:83018600 r5:8583d38c r4:84e4ab80 [<802783ec>] (process_one_work) from [<802791e8>] (process_scheduled_works kernel/workqueue.c:3346 [inline]) [<802783ec>] (process_one_work) from [<802791e8>] (worker_thread+0x1fc/0x3d8 kernel/workqueue.c:3427) r10:61c88647 r9:841a1800 r8:84e4abac r7:82804d40 r6:ddde3d80 r5:ddde3da0 r4:84e4ab80 [<80278fec>] (worker_thread) from [<8028020c>] (kthread+0x12c/0x280 kernel/kthread.c:463) r10:00000000 r9:84e4ab80 r8:80278fec r7:dfae1e60 r6:84e4a080 r5:841a1800 r4:00000001 [<802800e0>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137) Exception stack(0xdfaa5fb0 to 0xdfaa5ff8) 5fa0: 00000000 00000000 00000000 00000000 5fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 5fe0: 00000000 00000000 00000000 00000000 00000013 00000000 r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802800e0 r4:854fcbc0 Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings INFO: task kworker/1:63:4362 blocked for more than 430 seconds. Not tainted syzkaller #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:kworker/1:63 state:D stack:0 pid:4362 tgid:4362 ppid:2 task_flags:0x4208060 flags:0x00000000 Workqueue: events bpf_prog_free_deferred Call trace: [<81a643fc>] (__schedule) from [<81a65390>] (__schedule_loop kernel/sched/core.c:7011 [inline]) [<81a643fc>] (__schedule) from [<81a65390>] (schedule+0x2c/0x130 kernel/sched/core.c:7026) r10:dfa91d84 r9:00000002 r8:60000113 r7:829171a0 r6:dfa91d8c r5:84c96c00 r4:84c96c00 [<81a65364>] (schedule) from [<81a65778>] (schedule_preempt_disabled+0x18/0x24 kernel/sched/core.c:7083) r5:84c96c00 r4:8291719c [<81a65760>] (schedule_preempt_disabled) from [<81a68328>] (__mutex_lock_common kernel/locking/mutex.c:676 [inline]) [<81a65760>] (schedule_preempt_disabled) from [<81a68328>] (__mutex_lock.constprop.0+0x350/0xa24 kernel/locking/mutex.c:760) [<81a67fd8>] (__mutex_lock.constprop.0) from [<81a68ad0>] (__mutex_lock_slowpath+0x14/0x18 kernel/locking/mutex.c:1049) r10:8280c960 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:dfa91e08 r4:00000000 [<81a68abc>] (__mutex_lock_slowpath) from [<81a68b10>] (mutex_lock+0x3c/0x40 kernel/locking/mutex.c:274) [<81a68ad4>] (mutex_lock) from [<804ea30c>] (_vm_unmap_aliases+0x68/0x240 mm/vmalloc.c:2918) [<804ea2a4>] (_vm_unmap_aliases) from [<804ee0ec>] (vm_reset_perms mm/vmalloc.c:3349 [inline]) [<804ea2a4>] (_vm_unmap_aliases) from [<804ee0ec>] (vfree+0x16c/0x210 mm/vmalloc.c:3428) r10:83016170 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:857a0f00 r4:00000000 [<804edf80>] (vfree) from [<80559038>] (execmem_free+0x30/0x50 mm/execmem.c:503) r9:83018605 r8:84c96c00 r7:00000000 r6:83018600 r5:00001000 r4:7f057000 [<80559008>] (execmem_free) from [<803c5fa0>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1052) r5:00001000 r4:eac85000 [<803c5f90>] (bpf_jit_free_exec) from [<803c6380>] (bpf_jit_binary_free kernel/bpf/core.c:1098 [inline]) [<803c5f90>] (bpf_jit_free_exec) from [<803c6380>] (bpf_jit_free+0x68/0xe4 kernel/bpf/core.c:1221) [<803c6318>] (bpf_jit_free) from [<803c7428>] (bpf_prog_free_deferred+0x140/0x158 kernel/bpf/core.c:2898) r5:8599df8c r4:85420100 [<803c72e8>] (bpf_prog_free_deferred) from [<802785a0>] (process_one_work+0x1b4/0x4f4 kernel/workqueue.c:3263) r7:ddde3d80 r6:83018600 r5:8599df8c r4:85420100 [<802783ec>] (process_one_work) from [<802791e8>] (process_scheduled_works kernel/workqueue.c:3346 [inline]) [<802783ec>] (process_one_work) from [<802791e8>] (worker_thread+0x1fc/0x3d8 kernel/workqueue.c:3427) r10:61c88647 r9:84c96c00 r8:8542012c r7:82804d40 r6:ddde3d80 r5:ddde3da0 r4:85420100 [<80278fec>] (worker_thread) from [<8028020c>] (kthread+0x12c/0x280 kernel/kthread.c:463) r10:00000000 r9:85420100 r8:80278fec r7:df9ede60 r6:85420280 r5:84c96c00 r4:00000001 [<802800e0>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137) Exception stack(0xdfa91fb0 to 0xdfa91ff8) 1fa0: 00000000 00000000 00000000 00000000 1fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 1fe0: 00000000 00000000 00000000 00000000 00000013 00000000 r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802800e0 r4:856df100 INFO: task kworker/1:63:4362 is blocked on a mutex likely owned by task kworker/1:48:4332. task:kworker/1:48 state:R running task stack:0 pid:4332 tgid:4332 ppid:2 task_flags:0x4208060 flags:0x00000000 Workqueue: events bpf_prog_free_deferred Call trace: [<81a643fc>] (__schedule) from [<81a657c4>] (preempt_schedule_irq+0x40/0xa8 kernel/sched/core.c:7256) r10:8280c9b4 r9:841a1800 r8:80200c04 r7:dfaa5d54 r6:ffffffff r5:841a1800 r4:00000000 [<81a65784>] (preempt_schedule_irq) from [<80200c24>] (svc_preempt+0x8/0x18) Exception stack(0xdfaa5d20 to 0xdfaa5d68) 5d20: addb3000 ebc85000 00000001 80239bf8 7f00b000 00000001 82acb1c4 82aca5a0 5d40: 7f00b000 ebc85000 8280c9b4 dfaa5d9c dfaa5da0 dfaa5d70 80230af0 80239c10 5d60: 80000113 ffffffff r5:80000113 r4:80239c10 [<80230a8c>] (flush_tlb_kernel_range) from [<804ea0d0>] (__purge_vmap_area_lazy+0x284/0x458 mm/vmalloc.c:2342) r4:82acb1e4 [<804e9e4c>] (__purge_vmap_area_lazy) from [<804ea488>] (_vm_unmap_aliases+0x1e4/0x240 mm/vmalloc.c:2957) r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:dfaa5dc0 r5:dfaa5e08 r4:dfaa5dc0 [<804ea2a4>] (_vm_unmap_aliases) from [<804ee0ec>] (vm_reset_perms mm/vmalloc.c:3349 [inline]) [<804ea2a4>] (_vm_unmap_aliases) from [<804ee0ec>] (vfree+0x16c/0x210 mm/vmalloc.c:3428) r10:83016170 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:85603140 r4:00000000 [<804edf80>] (vfree) from [<80559038>] (execmem_free+0x30/0x50 mm/execmem.c:503) r9:83018605 r8:841a1800 r7:00000000 r6:83018600 r5:00001000 r4:7f03f000 [<80559008>] (execmem_free) from [<803c5fa0>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1052) r5:00001000 r4:e02bf000 [<803c5f90>] (bpf_jit_free_exec) from [<803c6380>] (bpf_jit_binary_free kernel/bpf/core.c:1098 [inline]) [<803c5f90>] (bpf_jit_free_exec) from [<803c6380>] (bpf_jit_free+0x68/0xe4 kernel/bpf/core.c:1221) [<803c6318>] (bpf_jit_free) from [<803c7428>] (bpf_prog_free_deferred+0x140/0x158 kernel/bpf/core.c:2898) r5:8583d38c r4:84e4ab80 [<803c72e8>] (bpf_prog_free_deferred) from [<802785a0>] (process_one_work+0x1b4/0x4f4 kernel/workqueue.c:3263) r7:ddde3d80 r6:83018600 r5:8583d38c r4:84e4ab80 [<802783ec>] (process_one_work) from [<802791e8>] (process_scheduled_works kernel/workqueue.c:3346 [inline]) [<802783ec>] (process_one_work) from [<802791e8>] (worker_thread+0x1fc/0x3d8 kernel/workqueue.c:3427) r10:61c88647 r9:841a1800 r8:84e4abac r7:82804d40 r6:ddde3d80 r5:ddde3da0 r4:84e4ab80 [<80278fec>] (worker_thread) from [<8028020c>] (kthread+0x12c/0x280 kernel/kthread.c:463) r10:00000000 r9:84e4ab80 r8:80278fec r7:dfae1e60 r6:84e4a080 r5:841a1800 r4:00000001 [<802800e0>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137) Exception stack(0xdfaa5fb0 to 0xdfaa5ff8) 5fa0: 00000000 00000000 00000000 00000000 5fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 5fe0: 00000000 00000000 00000000 00000000 00000013 00000000 r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802800e0 r4:854fcbc0 Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings INFO: task kworker/1:64:4364 blocked for more than 430 seconds. Not tainted syzkaller #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:kworker/1:64 state:D stack:0 pid:4364 tgid:4364 ppid:2 task_flags:0x4208060 flags:0x00000000 Workqueue: events bpf_prog_free_deferred Call trace: [<81a643fc>] (__schedule) from [<81a65390>] (__schedule_loop kernel/sched/core.c:7011 [inline]) [<81a643fc>] (__schedule) from [<81a65390>] (schedule+0x2c/0x130 kernel/sched/core.c:7026) r10:dfd61d84 r9:00000002 r8:60000113 r7:829171a0 r6:dfd61d8c r5:84c96000 r4:84c96000 [<81a65364>] (schedule) from [<81a65778>] (schedule_preempt_disabled+0x18/0x24 kernel/sched/core.c:7083) r5:84c96000 r4:8291719c [<81a65760>] (schedule_preempt_disabled) from [<81a68328>] (__mutex_lock_common kernel/locking/mutex.c:676 [inline]) [<81a65760>] (schedule_preempt_disabled) from [<81a68328>] (__mutex_lock.constprop.0+0x350/0xa24 kernel/locking/mutex.c:760) [<81a67fd8>] (__mutex_lock.constprop.0) from [<81a68ad0>] (__mutex_lock_slowpath+0x14/0x18 kernel/locking/mutex.c:1049) r10:8280c960 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:dfd61e08 r4:00000000 [<81a68abc>] (__mutex_lock_slowpath) from [<81a68b10>] (mutex_lock+0x3c/0x40 kernel/locking/mutex.c:274) [<81a68ad4>] (mutex_lock) from [<804ea30c>] (_vm_unmap_aliases+0x68/0x240 mm/vmalloc.c:2918) [<804ea2a4>] (_vm_unmap_aliases) from [<804ee0ec>] (vm_reset_perms mm/vmalloc.c:3349 [inline]) [<804ea2a4>] (_vm_unmap_aliases) from [<804ee0ec>] (vfree+0x16c/0x210 mm/vmalloc.c:3428) r10:83016170 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:85789840 r4:00000000 [<804edf80>] (vfree) from [<80559038>] (execmem_free+0x30/0x50 mm/execmem.c:503) r9:83018605 r8:84c96000 r7:00000000 r6:83018600 r5:00001000 r4:7f05f000 [<80559008>] (execmem_free) from [<803c5fa0>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1052) r5:00001000 r4:eaf4f000 [<803c5f90>] (bpf_jit_free_exec) from [<803c6380>] (bpf_jit_binary_free kernel/bpf/core.c:1098 [inline]) [<803c5f90>] (bpf_jit_free_exec) from [<803c6380>] (bpf_jit_free+0x68/0xe4 kernel/bpf/core.c:1221) [<803c6318>] (bpf_jit_free) from [<803c7428>] (bpf_prog_free_deferred+0x140/0x158 kernel/bpf/core.c:2898) r5:8599f78c r4:85420400 [<803c72e8>] (bpf_prog_free_deferred) from [<802785a0>] (process_one_work+0x1b4/0x4f4 kernel/workqueue.c:3263) r7:ddde3d80 r6:83018600 r5:8599f78c r4:85420400 [<802783ec>] (process_one_work) from [<802791e8>] (process_scheduled_works kernel/workqueue.c:3346 [inline]) [<802783ec>] (process_one_work) from [<802791e8>] (worker_thread+0x1fc/0x3d8 kernel/workqueue.c:3427) r10:61c88647 r9:84c96000 r8:8542042c r7:82804d40 r6:ddde3d80 r5:ddde3da0 r4:85420400 [<80278fec>] (worker_thread) from [<8028020c>] (kthread+0x12c/0x280 kernel/kthread.c:463) r10:00000000 r9:85420400 r8:80278fec r7:df9ede60 r6:85420380 r5:84c96000 r4:00000001 [<802800e0>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137) Exception stack(0xdfd61fb0 to 0xdfd61ff8) 1fa0: 00000000 00000000 00000000 00000000 1fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 1fe0: 00000000 00000000 00000000 00000000 00000013 00000000 r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802800e0 r4:855a0e40 INFO: task kworker/1:64:4364 is blocked on a mutex likely owned by task kworker/1:48:4332. task:kworker/1:48 state:R running task stack:0 pid:4332 tgid:4332 ppid:2 task_flags:0x4208060 flags:0x00000000 Workqueue: events bpf_prog_free_deferred Call trace: [<81a643fc>] (__schedule) from [<81a657c4>] (preempt_schedule_irq+0x40/0xa8 kernel/sched/core.c:7256) r10:8280c9b4 r9:841a1800 r8:80200c04 r7:dfaa5d54 r6:ffffffff r5:841a1800 r4:00000000 [<81a65784>] (preempt_schedule_irq) from [<80200c24>] (svc_preempt+0x8/0x18) Exception stack(0xdfaa5d20 to 0xdfaa5d68) 5d20: addb3000 ebc85000 00000001 80239bf8 7f00b000 00000001 82acb1c4 82aca5a0 5d40: 7f00b000 ebc85000 8280c9b4 dfaa5d9c dfaa5da0 dfaa5d70 80230af0 80239c10 5d60: 80000113 ffffffff r5:80000113 r4:80239c10 [<80230a8c>] (flush_tlb_kernel_range) from [<804ea0d0>] (__purge_vmap_area_lazy+0x284/0x458 mm/vmalloc.c:2342) r4:82acb1e4 [<804e9e4c>] (__purge_vmap_area_lazy) from [<804ea488>] (_vm_unmap_aliases+0x1e4/0x240 mm/vmalloc.c:2957) r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:dfaa5dc0 r5:dfaa5e08 r4:dfaa5dc0 [<804ea2a4>] (_vm_unmap_aliases) from [<804ee0ec>] (vm_reset_perms mm/vmalloc.c:3349 [inline]) [<804ea2a4>] (_vm_unmap_aliases) from [<804ee0ec>] (vfree+0x16c/0x210 mm/vmalloc.c:3428) r10:83016170 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:85603140 r4:00000000 [<804edf80>] (vfree) from [<80559038>] (execmem_free+0x30/0x50 mm/execmem.c:503) r9:83018605 r8:841a1800 r7:00000000 r6:83018600 r5:00001000 r4:7f03f000 [<80559008>] (execmem_free) from [<803c5fa0>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1052) r5:00001000 r4:e02bf000 [<803c5f90>] (bpf_jit_free_exec) from [<803c6380>] (bpf_jit_binary_free kernel/bpf/core.c:1098 [inline]) [<803c5f90>] (bpf_jit_free_exec) from [<803c6380>] (bpf_jit_free+0x68/0xe4 kernel/bpf/core.c:1221) [<803c6318>] (bpf_jit_free) from [<803c7428>] (bpf_prog_free_deferred+0x140/0x158 kernel/bpf/core.c:2898) r5:8583d38c r4:84e4ab80 [<803c72e8>] (bpf_prog_free_deferred) from [<802785a0>] (process_one_work+0x1b4/0x4f4 kernel/workqueue.c:3263) r7:ddde3d80 r6:83018600 r5:8583d38c r4:84e4ab80 [<802783ec>] (process_one_work) from [<802791e8>] (process_scheduled_works kernel/workqueue.c:3346 [inline]) [<802783ec>] (process_one_work) from [<802791e8>] (worker_thread+0x1fc/0x3d8 kernel/workqueue.c:3427) r10:61c88647 r9:841a1800 r8:84e4abac r7:82804d40 r6:ddde3d80 r5:ddde3da0 r4:84e4ab80 [<80278fec>] (worker_thread) from [<8028020c>] (kthread+0x12c/0x280 kernel/kthread.c:463) r10:00000000 r9:84e4ab80 r8:80278fec r7:dfae1e60 r6:84e4a080 r5:841a1800 r4:00000001 [<802800e0>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137) Exception stack(0xdfaa5fb0 to 0xdfaa5ff8) 5fa0: 00000000 00000000 00000000 00000000 5fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 5fe0: 00000000 00000000 00000000 00000000 00000013 00000000 r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802800e0 r4:854fcbc0 Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings INFO: task kworker/1:66:4368 blocked for more than 430 seconds. Not tainted syzkaller #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:kworker/1:66 state:D stack:0 pid:4368 tgid:4368 ppid:2 task_flags:0x4208060 flags:0x00000000 Workqueue: events bpf_prog_free_deferred Call trace: [<81a643fc>] (__schedule) from [<81a65390>] (__schedule_loop kernel/sched/core.c:7011 [inline]) [<81a643fc>] (__schedule) from [<81a65390>] (schedule+0x2c/0x130 kernel/sched/core.c:7026) r10:dfb51d84 r9:00000002 r8:60000013 r7:829171a0 r6:dfb51d8c r5:84c91800 r4:84c91800 [<81a65364>] (schedule) from [<81a65778>] (schedule_preempt_disabled+0x18/0x24 kernel/sched/core.c:7083) r5:84c91800 r4:8291719c [<81a65760>] (schedule_preempt_disabled) from [<81a68328>] (__mutex_lock_common kernel/locking/mutex.c:676 [inline]) [<81a65760>] (schedule_preempt_disabled) from [<81a68328>] (__mutex_lock.constprop.0+0x350/0xa24 kernel/locking/mutex.c:760) [<81a67fd8>] (__mutex_lock.constprop.0) from [<81a68ad0>] (__mutex_lock_slowpath+0x14/0x18 kernel/locking/mutex.c:1049) r10:8280c960 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:dfb51e08 r4:00000000 [<81a68abc>] (__mutex_lock_slowpath) from [<81a68b10>] (mutex_lock+0x3c/0x40 kernel/locking/mutex.c:274) [<81a68ad4>] (mutex_lock) from [<804ea30c>] (_vm_unmap_aliases+0x68/0x240 mm/vmalloc.c:2918) [<804ea2a4>] (_vm_unmap_aliases) from [<804ee0ec>] (vm_reset_perms mm/vmalloc.c:3349 [inline]) [<804ea2a4>] (_vm_unmap_aliases) from [<804ee0ec>] (vfree+0x16c/0x210 mm/vmalloc.c:3428) r10:83016170 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:856086c0 r4:00000000 [<804edf80>] (vfree) from [<80559038>] (execmem_free+0x30/0x50 mm/execmem.c:503) r9:83018605 r8:84c91800 r7:00000000 r6:83018600 r5:00001000 r4:7f00b000 [<80559008>] (execmem_free) from [<803c5fa0>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1052) r5:00001000 r4:df989000 [<803c5f90>] (bpf_jit_free_exec) from [<803c6380>] (bpf_jit_binary_free kernel/bpf/core.c:1098 [inline]) [<803c5f90>] (bpf_jit_free_exec) from [<803c6380>] (bpf_jit_free+0x68/0xe4 kernel/bpf/core.c:1221) [<803c6318>] (bpf_jit_free) from [<803c7428>] (bpf_prog_free_deferred+0x140/0x158 kernel/bpf/core.c:2898) r5:8599ff8c r4:85420880 [<803c72e8>] (bpf_prog_free_deferred) from [<802785a0>] (process_one_work+0x1b4/0x4f4 kernel/workqueue.c:3263) r7:ddde3d80 r6:83018600 r5:8599ff8c r4:85420880 [<802783ec>] (process_one_work) from [<802791e8>] (process_scheduled_works kernel/workqueue.c:3346 [inline]) [<802783ec>] (process_one_work) from [<802791e8>] (worker_thread+0x1fc/0x3d8 kernel/workqueue.c:3427) r10:61c88647 r9:84c91800 r8:854208ac r7:82804d40 r6:ddde3d80 r5:ddde3da0 r4:85420880 [<80278fec>] (worker_thread) from [<8028020c>] (kthread+0x12c/0x280 kernel/kthread.c:463) r10:00000000 r9:85420880 r8:80278fec r7:dfd61e60 r6:85420900 r5:84c91800 r4:00000001 [<802800e0>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137) Exception stack(0xdfb51fb0 to 0xdfb51ff8) 1fa0: 00000000 00000000 00000000 00000000 1fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 1fe0: 00000000 00000000 00000000 00000000 00000013 00000000 r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802800e0 r4:85602940 INFO: task kworker/1:66:4368 is blocked on a mutex likely owned by task kworker/1:48:4332. task:kworker/1:48 state:R running task stack:0 pid:4332 tgid:4332 ppid:2 task_flags:0x4208060 flags:0x00000000 Workqueue: events bpf_prog_free_deferred Call trace: [<81a643fc>] (__schedule) from [<81a657c4>] (preempt_schedule_irq+0x40/0xa8 kernel/sched/core.c:7256) r10:8280c9b4 r9:841a1800 r8:80200c04 r7:dfaa5d54 r6:ffffffff r5:841a1800 r4:00000000 [<81a65784>] (preempt_schedule_irq) from [<80200c24>] (svc_preempt+0x8/0x18) Exception stack(0xdfaa5d20 to 0xdfaa5d68) 5d20: addb3000 ebc85000 00000001 80239bf8 7f00b000 00000001 82acb1c4 82aca5a0 5d40: 7f00b000 ebc85000 8280c9b4 dfaa5d9c dfaa5da0 dfaa5d70 80230af0 80239c10 5d60: 80000113 ffffffff r5:80000113 r4:80239c10 [<80230a8c>] (flush_tlb_kernel_range) from [<804ea0d0>] (__purge_vmap_area_lazy+0x284/0x458 mm/vmalloc.c:2342) r4:82acb1e4 [<804e9e4c>] (__purge_vmap_area_lazy) from [<804ea488>] (_vm_unmap_aliases+0x1e4/0x240 mm/vmalloc.c:2957) r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:dfaa5dc0 r5:dfaa5e08 r4:dfaa5dc0 [<804ea2a4>] (_vm_unmap_aliases) from [<804ee0ec>] (vm_reset_perms mm/vmalloc.c:3349 [inline]) [<804ea2a4>] (_vm_unmap_aliases) from [<804ee0ec>] (vfree+0x16c/0x210 mm/vmalloc.c:3428) r10:83016170 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:85603140 r4:00000000 [<804edf80>] (vfree) from [<80559038>] (execmem_free+0x30/0x50 mm/execmem.c:503) r9:83018605 r8:841a1800 r7:00000000 r6:83018600 r5:00001000 r4:7f03f000 [<80559008>] (execmem_free) from [<803c5fa0>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1052) r5:00001000 r4:e02bf000 [<803c5f90>] (bpf_jit_free_exec) from [<803c6380>] (bpf_jit_binary_free kernel/bpf/core.c:1098 [inline]) [<803c5f90>] (bpf_jit_free_exec) from [<803c6380>] (bpf_jit_free+0x68/0xe4 kernel/bpf/core.c:1221) [<803c6318>] (bpf_jit_free) from [<803c7428>] (bpf_prog_free_deferred+0x140/0x158 kernel/bpf/core.c:2898) r5:8583d38c r4:84e4ab80 [<803c72e8>] (bpf_prog_free_deferred) from [<802785a0>] (process_one_work+0x1b4/0x4f4 kernel/workqueue.c:3263) r7:ddde3d80 r6:83018600 r5:8583d38c r4:84e4ab80 [<802783ec>] (process_one_work) from [<802791e8>] (process_scheduled_works kernel/workqueue.c:3346 [inline]) [<802783ec>] (process_one_work) from [<802791e8>] (worker_thread+0x1fc/0x3d8 kernel/workqueue.c:3427) r10:61c88647 r9:841a1800 r8:84e4abac r7:82804d40 r6:ddde3d80 r5:ddde3da0 r4:84e4ab80 [<80278fec>] (worker_thread) from [<8028020c>] (kthread+0x12c/0x280 kernel/kthread.c:463) r10:00000000 r9:84e4ab80 r8:80278fec r7:dfae1e60 r6:84e4a080 r5:841a1800 r4:00000001 [<802800e0>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137) Exception stack(0xdfaa5fb0 to 0xdfaa5ff8) 5fa0: 00000000 00000000 00000000 00000000 5fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 5fe0: 00000000 00000000 00000000 00000000 00000013 00000000 r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802800e0 r4:854fcbc0 Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings INFO: task kworker/1:67:4369 blocked for more than 430 seconds. Not tainted syzkaller #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:kworker/1:67 state:D stack:0 pid:4369 tgid:4369 ppid:2 task_flags:0x4208060 flags:0x00000000 Workqueue: events bpf_prog_free_deferred Call trace: [<81a643fc>] (__schedule) from [<81a65390>] (__schedule_loop kernel/sched/core.c:7011 [inline]) [<81a643fc>] (__schedule) from [<81a65390>] (schedule+0x2c/0x130 kernel/sched/core.c:7026) r10:dfda5d84 r9:00000002 r8:60000113 r7:829171a0 r6:dfda5d8c r5:84990000 r4:84990000 [<81a65364>] (schedule) from [<81a65778>] (schedule_preempt_disabled+0x18/0x24 kernel/sched/core.c:7083) r5:84990000 r4:8291719c [<81a65760>] (schedule_preempt_disabled) from [<81a68328>] (__mutex_lock_common kernel/locking/mutex.c:676 [inline]) [<81a65760>] (schedule_preempt_disabled) from [<81a68328>] (__mutex_lock.constprop.0+0x350/0xa24 kernel/locking/mutex.c:760) [<81a67fd8>] (__mutex_lock.constprop.0) from [<81a68ad0>] (__mutex_lock_slowpath+0x14/0x18 kernel/locking/mutex.c:1049) r10:8280c960 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:dfda5e08 r4:00000000 [<81a68abc>] (__mutex_lock_slowpath) from [<81a68b10>] (mutex_lock+0x3c/0x40 kernel/locking/mutex.c:274) [<81a68ad4>] (mutex_lock) from [<804ea30c>] (_vm_unmap_aliases+0x68/0x240 mm/vmalloc.c:2918) [<804ea2a4>] (_vm_unmap_aliases) from [<804ee0ec>] (vm_reset_perms mm/vmalloc.c:3349 [inline]) [<804ea2a4>] (_vm_unmap_aliases) from [<804ee0ec>] (vfree+0x16c/0x210 mm/vmalloc.c:3428) r10:83016170 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:84e3c6c0 r4:00000000 [<804edf80>] (vfree) from [<80559038>] (execmem_free+0x30/0x50 mm/execmem.c:503) r9:83018605 r8:84990000 r7:00000000 r6:83018600 r5:00001000 r4:7f061000 [<80559008>] (execmem_free) from [<803c5fa0>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1052) r5:00001000 r4:eafdd000 [<803c5f90>] (bpf_jit_free_exec) from [<803c6380>] (bpf_jit_binary_free kernel/bpf/core.c:1098 [inline]) [<803c5f90>] (bpf_jit_free_exec) from [<803c6380>] (bpf_jit_free+0x68/0xe4 kernel/bpf/core.c:1221) [<803c6318>] (bpf_jit_free) from [<803c7428>] (bpf_prog_free_deferred+0x140/0x158 kernel/bpf/core.c:2898) r5:8599ef8c r4:85420780 [<803c72e8>] (bpf_prog_free_deferred) from [<802785a0>] (process_one_work+0x1b4/0x4f4 kernel/workqueue.c:3263) r7:ddde3d80 r6:83018600 r5:8599ef8c r4:85420780 [<802783ec>] (process_one_work) from [<802791e8>] (process_scheduled_works kernel/workqueue.c:3346 [inline]) [<802783ec>] (process_one_work) from [<802791e8>] (worker_thread+0x1fc/0x3d8 kernel/workqueue.c:3427) r10:61c88647 r9:84990000 r8:854207ac r7:82804d40 r6:ddde3d80 r5:ddde3da0 r4:85420780 [<80278fec>] (worker_thread) from [<8028020c>] (kthread+0x12c/0x280 kernel/kthread.c:463) r10:00000000 r9:85420780 r8:80278fec r7:dfd61e60 r6:85420a80 r5:84990000 r4:00000001 [<802800e0>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137) Exception stack(0xdfda5fb0 to 0xdfda5ff8) 5fa0: 00000000 00000000 00000000 00000000 5fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 5fe0: 00000000 00000000 00000000 00000000 00000013 00000000 r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802800e0 r4:85602940 INFO: task kworker/1:67:4369 is blocked on a mutex likely owned by task kworker/1:48:4332. task:kworker/1:48 state:R running task stack:0 pid:4332 tgid:4332 ppid:2 task_flags:0x4208060 flags:0x00000000 Workqueue: events bpf_prog_free_deferred Call trace: [<81a643fc>] (__schedule) from [<81a657c4>] (preempt_schedule_irq+0x40/0xa8 kernel/sched/core.c:7256) r10:8280c9b4 r9:841a1800 r8:80200c04 r7:dfaa5d54 r6:ffffffff r5:841a1800 r4:00000000 [<81a65784>] (preempt_schedule_irq) from [<80200c24>] (svc_preempt+0x8/0x18) Exception stack(0xdfaa5d20 to 0xdfaa5d68) 5d20: ae18d000 ebc85000 00000001 80239bf8 7f00b000 00000001 82acb1c4 82aca5a0 5d40: 7f00b000 ebc85000 8280c9b4 dfaa5d9c dfaa5da0 dfaa5d70 80230af0 80239c10 5d60: 80000113 ffffffff r5:80000113 r4:80239c10 [<80230a8c>] (flush_tlb_kernel_range) from [<804ea0d0>] (__purge_vmap_area_lazy+0x284/0x458 mm/vmalloc.c:2342) r4:82acb1e4 [<804e9e4c>] (__purge_vmap_area_lazy) from [<804ea488>] (_vm_unmap_aliases+0x1e4/0x240 mm/vmalloc.c:2957) r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:dfaa5dc0 r5:dfaa5e08 r4:dfaa5dc0 [<804ea2a4>] (_vm_unmap_aliases) from [<804ee0ec>] (vm_reset_perms mm/vmalloc.c:3349 [inline]) [<804ea2a4>] (_vm_unmap_aliases) from [<804ee0ec>] (vfree+0x16c/0x210 mm/vmalloc.c:3428) r10:83016170 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:85603140 r4:00000000 [<804edf80>] (vfree) from [<80559038>] (execmem_free+0x30/0x50 mm/execmem.c:503) r9:83018605 r8:841a1800 r7:00000000 r6:83018600 r5:00001000 r4:7f03f000 [<80559008>] (execmem_free) from [<803c5fa0>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1052) r5:00001000 r4:e02bf000 [<803c5f90>] (bpf_jit_free_exec) from [<803c6380>] (bpf_jit_binary_free kernel/bpf/core.c:1098 [inline]) [<803c5f90>] (bpf_jit_free_exec) from [<803c6380>] (bpf_jit_free+0x68/0xe4 kernel/bpf/core.c:1221) [<803c6318>] (bpf_jit_free) from [<803c7428>] (bpf_prog_free_deferred+0x140/0x158 kernel/bpf/core.c:2898) r5:8583d38c r4:84e4ab80 [<803c72e8>] (bpf_prog_free_deferred) from [<802785a0>] (process_one_work+0x1b4/0x4f4 kernel/workqueue.c:3263) r7:ddde3d80 r6:83018600 r5:8583d38c r4:84e4ab80 [<802783ec>] (process_one_work) from [<802791e8>] (process_scheduled_works kernel/workqueue.c:3346 [inline]) [<802783ec>] (process_one_work) from [<802791e8>] (worker_thread+0x1fc/0x3d8 kernel/workqueue.c:3427) r10:61c88647 r9:841a1800 r8:84e4abac r7:82804d40 r6:ddde3d80 r5:ddde3da0 r4:84e4ab80 [<80278fec>] (worker_thread) from [<8028020c>] (kthread+0x12c/0x280 kernel/kthread.c:463) r10:00000000 r9:84e4ab80 r8:80278fec r7:dfae1e60 r6:84e4a080 r5:841a1800 r4:00000001 [<802800e0>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137) Exception stack(0xdfaa5fb0 to 0xdfaa5ff8) 5fa0: 00000000 00000000 00000000 00000000 5fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 5fe0: 00000000 00000000 00000000 00000000 00000013 00000000 r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802800e0 r4:854fcbc0 Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings INFO: task kworker/1:68:4380 blocked for more than 430 seconds. Not tainted syzkaller #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:kworker/1:68 state:D stack:0 pid:4380 tgid:4380 ppid:2 task_flags:0x4208060 flags:0x00000000 Workqueue: events bpf_prog_free_deferred Call trace: [<81a643fc>] (__schedule) from [<81a65390>] (__schedule_loop kernel/sched/core.c:7011 [inline]) [<81a643fc>] (__schedule) from [<81a65390>] (schedule+0x2c/0x130 kernel/sched/core.c:7026) r10:dfd01d84 r9:00000002 r8:60000013 r7:829171a0 r6:dfd01d8c r5:84993000 r4:84993000 [<81a65364>] (schedule) from [<81a65778>] (schedule_preempt_disabled+0x18/0x24 kernel/sched/core.c:7083) r5:84993000 r4:8291719c [<81a65760>] (schedule_preempt_disabled) from [<81a68328>] (__mutex_lock_common kernel/locking/mutex.c:676 [inline]) [<81a65760>] (schedule_preempt_disabled) from [<81a68328>] (__mutex_lock.constprop.0+0x350/0xa24 kernel/locking/mutex.c:760) [<81a67fd8>] (__mutex_lock.constprop.0) from [<81a68ad0>] (__mutex_lock_slowpath+0x14/0x18 kernel/locking/mutex.c:1049) r10:8280c960 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:dfd01e08 r4:00000000 [<81a68abc>] (__mutex_lock_slowpath) from [<81a68b10>] (mutex_lock+0x3c/0x40 kernel/locking/mutex.c:274) [<81a68ad4>] (mutex_lock) from [<804ea30c>] (_vm_unmap_aliases+0x68/0x240 mm/vmalloc.c:2918) [<804ea2a4>] (_vm_unmap_aliases) from [<804ee0ec>] (vm_reset_perms mm/vmalloc.c:3349 [inline]) [<804ea2a4>] (_vm_unmap_aliases) from [<804ee0ec>] (vfree+0x16c/0x210 mm/vmalloc.c:3428) r10:83016170 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:8559ef40 r4:00000000 [<804edf80>] (vfree) from [<80559038>] (execmem_free+0x30/0x50 mm/execmem.c:503) r9:83018605 r8:84993000 r7:00000000 r6:83018600 r5:00001000 r4:7f069000 [<80559008>] (execmem_free) from [<803c5fa0>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1052) r5:00001000 r4:eb8cb000 [<803c5f90>] (bpf_jit_free_exec) from [<803c6380>] (bpf_jit_binary_free kernel/bpf/core.c:1098 [inline]) [<803c5f90>] (bpf_jit_free_exec) from [<803c6380>] (bpf_jit_free+0x68/0xe4 kernel/bpf/core.c:1221) [<803c6318>] (bpf_jit_free) from [<803c7428>] (bpf_prog_free_deferred+0x140/0x158 kernel/bpf/core.c:2898) r5:8599cb8c r4:85420e80 [<803c72e8>] (bpf_prog_free_deferred) from [<802785a0>] (process_one_work+0x1b4/0x4f4 kernel/workqueue.c:3263) r7:ddde3d80 r6:83018600 r5:8599cb8c r4:85420e80 [<802783ec>] (process_one_work) from [<802791e8>] (process_scheduled_works kernel/workqueue.c:3346 [inline]) [<802783ec>] (process_one_work) from [<802791e8>] (worker_thread+0x1fc/0x3d8 kernel/workqueue.c:3427) r10:61c88647 r9:84993000 r8:85420eac r7:82804d40 r6:ddde3d80 r5:ddde3da0 r4:85420e80 [<80278fec>] (worker_thread) from [<8028020c>] (kthread+0x12c/0x280 kernel/kthread.c:463) r10:00000000 r9:85420e80 r8:80278fec r7:dfb51e60 r6:85420f00 r5:84993000 r4:00000001 [<802800e0>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137) Exception stack(0xdfd01fb0 to 0xdfd01ff8) 1fa0: 00000000 00000000 00000000 00000000 1fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 1fe0: 00000000 00000000 00000000 00000000 00000013 00000000 r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802800e0 r4:854fc240 INFO: task kworker/1:68:4380 is blocked on a mutex likely owned by task kworker/1:48:4332. task:kworker/1:48 state:R running task stack:0 pid:4332 tgid:4332 ppid:2 task_flags:0x4208060 flags:0x00000000 Workqueue: events bpf_prog_free_deferred Call trace: [<81a643fc>] (__schedule) from [<81a657c4>] (preempt_schedule_irq+0x40/0xa8 kernel/sched/core.c:7256) r10:8280c9b4 r9:841a1800 r8:80200c04 r7:dfaa5d54 r6:ffffffff r5:841a1800 r4:00000000 [<81a65784>] (preempt_schedule_irq) from [<80200c24>] (svc_preempt+0x8/0x18) Exception stack(0xdfaa5d20 to 0xdfaa5d68) 5d20: ae18d000 ebc85000 00000001 80239bf8 7f00b000 00000001 82acb1c4 82aca5a0 5d40: 7f00b000 ebc85000 8280c9b4 dfaa5d9c dfaa5da0 dfaa5d70 80230af0 80239c10 5d60: 80000113 ffffffff r5:80000113 r4:80239c10 [<80230a8c>] (flush_tlb_kernel_range) from [<804ea0d0>] (__purge_vmap_area_lazy+0x284/0x458 mm/vmalloc.c:2342) r4:82acb1e4 [<804e9e4c>] (__purge_vmap_area_lazy) from [<804ea488>] (_vm_unmap_aliases+0x1e4/0x240 mm/vmalloc.c:2957) r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:dfaa5dc0 r5:dfaa5e08 r4:dfaa5dc0 [<804ea2a4>] (_vm_unmap_aliases) from [<804ee0ec>] (vm_reset_perms mm/vmalloc.c:3349 [inline]) [<804ea2a4>] (_vm_unmap_aliases) from [<804ee0ec>] (vfree+0x16c/0x210 mm/vmalloc.c:3428) r10:83016170 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:85603140 r4:00000000 [<804edf80>] (vfree) from [<80559038>] (execmem_free+0x30/0x50 mm/execmem.c:503) r9:83018605 r8:841a1800 r7:00000000 r6:83018600 r5:00001000 r4:7f03f000 [<80559008>] (execmem_free) from [<803c5fa0>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1052) r5:00001000 r4:e02bf000 [<803c5f90>] (bpf_jit_free_exec) from [<803c6380>] (bpf_jit_binary_free kernel/bpf/core.c:1098 [inline]) [<803c5f90>] (bpf_jit_free_exec) from [<803c6380>] (bpf_jit_free+0x68/0xe4 kernel/bpf/core.c:1221) [<803c6318>] (bpf_jit_free) from [<803c7428>] (bpf_prog_free_deferred+0x140/0x158 kernel/bpf/core.c:2898) r5:8583d38c r4:84e4ab80 [<803c72e8>] (bpf_prog_free_deferred) from [<802785a0>] (process_one_work+0x1b4/0x4f4 kernel/workqueue.c:3263) r7:ddde3d80 r6:83018600 r5:8583d38c r4:84e4ab80 [<802783ec>] (process_one_work) from [<802791e8>] (process_scheduled_works kernel/workqueue.c:3346 [inline]) [<802783ec>] (process_one_work) from [<802791e8>] (worker_thread+0x1fc/0x3d8 kernel/workqueue.c:3427) r10:61c88647 r9:841a1800 r8:84e4abac r7:82804d40 r6:ddde3d80 r5:ddde3da0 r4:84e4ab80 [<80278fec>] (worker_thread) from [<8028020c>] (kthread+0x12c/0x280 kernel/kthread.c:463) r10:00000000 r9:84e4ab80 r8:80278fec r7:dfae1e60 r6:84e4a080 r5:841a1800 r4:00000001 [<802800e0>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137) Exception stack(0xdfaa5fb0 to 0xdfaa5ff8) 5fa0: 00000000 00000000 00000000 00000000 5fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 5fe0: 00000000 00000000 00000000 00000000 00000013 00000000 r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802800e0 r4:854fcbc0 Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings INFO: task kworker/1:69:4408 blocked for more than 430 seconds. Not tainted syzkaller #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:kworker/1:69 state:D stack:0 pid:4408 tgid:4408 ppid:2 task_flags:0x4208060 flags:0x00000000 Workqueue: events bpf_prog_free_deferred Call trace: [<81a643fc>] (__schedule) from [<81a65390>] (__schedule_loop kernel/sched/core.c:7011 [inline]) [<81a643fc>] (__schedule) from [<81a65390>] (schedule+0x2c/0x130 kernel/sched/core.c:7026) r10:dfc49d84 r9:00000002 r8:60000113 r7:829171a0 r6:dfc49d8c r5:84fb8c00 r4:84fb8c00 [<81a65364>] (schedule) from [<81a65778>] (schedule_preempt_disabled+0x18/0x24 kernel/sched/core.c:7083) r5:84fb8c00 r4:8291719c [<81a65760>] (schedule_preempt_disabled) from [<81a68328>] (__mutex_lock_common kernel/locking/mutex.c:676 [inline]) [<81a65760>] (schedule_preempt_disabled) from [<81a68328>] (__mutex_lock.constprop.0+0x350/0xa24 kernel/locking/mutex.c:760) [<81a67fd8>] (__mutex_lock.constprop.0) from [<81a68ad0>] (__mutex_lock_slowpath+0x14/0x18 kernel/locking/mutex.c:1049) r10:8280c960 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:dfc49e08 r4:00000000 [<81a68abc>] (__mutex_lock_slowpath) from [<81a68b10>] (mutex_lock+0x3c/0x40 kernel/locking/mutex.c:274) [<81a68ad4>] (mutex_lock) from [<804ea30c>] (_vm_unmap_aliases+0x68/0x240 mm/vmalloc.c:2918) [<804ea2a4>] (_vm_unmap_aliases) from [<804ee0ec>] (vm_reset_perms mm/vmalloc.c:3349 [inline]) [<804ea2a4>] (_vm_unmap_aliases) from [<804ee0ec>] (vfree+0x16c/0x210 mm/vmalloc.c:3428) r10:83016170 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:856087c0 r4:00000000 [<804edf80>] (vfree) from [<80559038>] (execmem_free+0x30/0x50 mm/execmem.c:503) r9:83018605 r8:84fb8c00 r7:00000000 r6:83018600 r5:00001000 r4:7f075000 [<80559008>] (execmem_free) from [<803c5fa0>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1052) r5:00001000 r4:eb9e1000 [<803c5f90>] (bpf_jit_free_exec) from [<803c6380>] (bpf_jit_binary_free kernel/bpf/core.c:1098 [inline]) [<803c5f90>] (bpf_jit_free_exec) from [<803c6380>] (bpf_jit_free+0x68/0xe4 kernel/bpf/core.c:1221) [<803c6318>] (bpf_jit_free) from [<803c7428>] (bpf_prog_free_deferred+0x140/0x158 kernel/bpf/core.c:2898) r5:84e5a38c r4:85423500 [<803c72e8>] (bpf_prog_free_deferred) from [<802785a0>] (process_one_work+0x1b4/0x4f4 kernel/workqueue.c:3263) r7:ddde3d80 r6:83018600 r5:84e5a38c r4:85423500 [<802783ec>] (process_one_work) from [<802791e8>] (process_scheduled_works kernel/workqueue.c:3346 [inline]) [<802783ec>] (process_one_work) from [<802791e8>] (worker_thread+0x1fc/0x3d8 kernel/workqueue.c:3427) r10:61c88647 r9:84fb8c00 r8:8542352c r7:82804d40 r6:ddde3d80 r5:ddde3da0 r4:85423500 [<80278fec>] (worker_thread) from [<8028020c>] (kthread+0x12c/0x280 kernel/kthread.c:463) r10:00000000 r9:85423500 r8:80278fec r7:e43ede60 r6:84b24800 r5:84fb8c00 r4:00000001 [<802800e0>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137) Exception stack(0xdfc49fb0 to 0xdfc49ff8) 9fa0: 00000000 00000000 00000000 00000000 9fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 9fe0: 00000000 00000000 00000000 00000000 00000013 00000000 r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802800e0 r4:84c651c0 INFO: task kworker/1:69:4408 is blocked on a mutex likely owned by task kworker/1:48:4332. task:kworker/1:48 state:R running task stack:0 pid:4332 tgid:4332 ppid:2 task_flags:0x4208060 flags:0x00000000 Workqueue: events bpf_prog_free_deferred Call trace: [<81a643fc>] (__schedule) from [<81a657c4>] (preempt_schedule_irq+0x40/0xa8 kernel/sched/core.c:7256) r10:8280c9b4 r9:841a1800 r8:80200c04 r7:dfaa5d54 r6:ffffffff r5:841a1800 r4:00000000 [<81a65784>] (preempt_schedule_irq) from [<80200c24>] (svc_preempt+0x8/0x18) Exception stack(0xdfaa5d20 to 0xdfaa5d68) 5d20: ae18d000 ebc85000 00000001 80239bf8 7f00b000 00000001 82acb1c4 82aca5a0 5d40: 7f00b000 ebc85000 8280c9b4 dfaa5d9c dfaa5da0 dfaa5d70 80230af0 80239c10 5d60: 80000113 ffffffff r5:80000113 r4:80239c10 [<80230a8c>] (flush_tlb_kernel_range) from [<804ea0d0>] (__purge_vmap_area_lazy+0x284/0x458 mm/vmalloc.c:2342) r4:82acb1e4 [<804e9e4c>] (__purge_vmap_area_lazy) from [<804ea488>] (_vm_unmap_aliases+0x1e4/0x240 mm/vmalloc.c:2957) r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:dfaa5dc0 r5:dfaa5e08 r4:dfaa5dc0 [<804ea2a4>] (_vm_unmap_aliases) from [<804ee0ec>] (vm_reset_perms mm/vmalloc.c:3349 [inline]) [<804ea2a4>] (_vm_unmap_aliases) from [<804ee0ec>] (vfree+0x16c/0x210 mm/vmalloc.c:3428) r10:83016170 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:85603140 r4:00000000 [<804edf80>] (vfree) from [<80559038>] (execmem_free+0x30/0x50 mm/execmem.c:503) r9:83018605 r8:841a1800 r7:00000000 r6:83018600 r5:00001000 r4:7f03f000 [<80559008>] (execmem_free) from [<803c5fa0>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1052) r5:00001000 r4:e02bf000 [<803c5f90>] (bpf_jit_free_exec) from [<803c6380>] (bpf_jit_binary_free kernel/bpf/core.c:1098 [inline]) [<803c5f90>] (bpf_jit_free_exec) from [<803c6380>] (bpf_jit_free+0x68/0xe4 kernel/bpf/core.c:1221) [<803c6318>] (bpf_jit_free) from [<803c7428>] (bpf_prog_free_deferred+0x140/0x158 kernel/bpf/core.c:2898) r5:8583d38c r4:84e4ab80 [<803c72e8>] (bpf_prog_free_deferred) from [<802785a0>] (process_one_work+0x1b4/0x4f4 kernel/workqueue.c:3263) r7:ddde3d80 r6:83018600 r5:8583d38c r4:84e4ab80 [<802783ec>] (process_one_work) from [<802791e8>] (process_scheduled_works kernel/workqueue.c:3346 [inline]) [<802783ec>] (process_one_work) from [<802791e8>] (worker_thread+0x1fc/0x3d8 kernel/workqueue.c:3427) r10:61c88647 r9:841a1800 r8:84e4abac r7:82804d40 r6:ddde3d80 r5:ddde3da0 r4:84e4ab80 [<80278fec>] (worker_thread) from [<8028020c>] (kthread+0x12c/0x280 kernel/kthread.c:463) r10:00000000 r9:84e4ab80 r8:80278fec r7:dfae1e60 r6:84e4a080 r5:841a1800 r4:00000001 [<802800e0>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137) Exception stack(0xdfaa5fb0 to 0xdfaa5ff8) 5fa0: 00000000 00000000 00000000 00000000 5fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 5fe0: 00000000 00000000 00000000 00000000 00000013 00000000 r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802800e0 r4:854fcbc0 Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings INFO: task kworker/1:70:4426 blocked for more than 430 seconds. Not tainted syzkaller #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:kworker/1:70 state:D stack:0 pid:4426 tgid:4426 ppid:2 task_flags:0x4208060 flags:0x00000000 Workqueue: events bpf_prog_free_deferred Call trace: [<81a643fc>] (__schedule) from [<81a65390>] (__schedule_loop kernel/sched/core.c:7011 [inline]) [<81a643fc>] (__schedule) from [<81a65390>] (schedule+0x2c/0x130 kernel/sched/core.c:7026) r10:dfaedd84 r9:00000002 r8:60000013 r7:829171a0 r6:dfaedd8c r5:85652400 r4:85652400 [<81a65364>] (schedule) from [<81a65778>] (schedule_preempt_disabled+0x18/0x24 kernel/sched/core.c:7083) r5:85652400 r4:8291719c [<81a65760>] (schedule_preempt_disabled) from [<81a68328>] (__mutex_lock_common kernel/locking/mutex.c:676 [inline]) [<81a65760>] (schedule_preempt_disabled) from [<81a68328>] (__mutex_lock.constprop.0+0x350/0xa24 kernel/locking/mutex.c:760) [<81a67fd8>] (__mutex_lock.constprop.0) from [<81a68ad0>] (__mutex_lock_slowpath+0x14/0x18 kernel/locking/mutex.c:1049) r10:8280c960 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:dfaede08 r4:00000000 [<81a68abc>] (__mutex_lock_slowpath) from [<81a68b10>] (mutex_lock+0x3c/0x40 kernel/locking/mutex.c:274) [<81a68ad4>] (mutex_lock) from [<804ea30c>] (_vm_unmap_aliases+0x68/0x240 mm/vmalloc.c:2918) [<804ea2a4>] (_vm_unmap_aliases) from [<804ee0ec>] (vm_reset_perms mm/vmalloc.c:3349 [inline]) [<804ea2a4>] (_vm_unmap_aliases) from [<804ee0ec>] (vfree+0x16c/0x210 mm/vmalloc.c:3428) r10:83016170 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:8559e300 r4:00000000 [<804edf80>] (vfree) from [<80559038>] (execmem_free+0x30/0x50 mm/execmem.c:503) r9:83018605 r8:85652400 r7:00000000 r6:83018600 r5:00001000 r4:7f067000 [<80559008>] (execmem_free) from [<803c5fa0>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1052) r5:00001000 r4:eb07d000 [<803c5f90>] (bpf_jit_free_exec) from [<803c6380>] (bpf_jit_binary_free kernel/bpf/core.c:1098 [inline]) [<803c5f90>] (bpf_jit_free_exec) from [<803c6380>] (bpf_jit_free+0x68/0xe4 kernel/bpf/core.c:1221) [<803c6318>] (bpf_jit_free) from [<803c7428>] (bpf_prog_free_deferred+0x140/0x158 kernel/bpf/core.c:2898) r5:8599e38c r4:85423e80 [<803c72e8>] (bpf_prog_free_deferred) from [<802785a0>] (process_one_work+0x1b4/0x4f4 kernel/workqueue.c:3263) r7:ddde3d80 r6:83018600 r5:8599e38c r4:85423e80 [<802783ec>] (process_one_work) from [<802791e8>] (process_scheduled_works kernel/workqueue.c:3346 [inline]) [<802783ec>] (process_one_work) from [<802791e8>] (worker_thread+0x1fc/0x3d8 kernel/workqueue.c:3427) r10:61c88647 r9:85652400 r8:85423eac r7:82804d40 r6:ddde3d80 r5:ddde3da0 r4:85423e80 [<80278fec>] (worker_thread) from [<8028020c>] (kthread+0x12c/0x280 kernel/kthread.c:463) r10:00000000 r9:85423e80 r8:80278fec r7:dfc49e60 r6:84c68300 r5:85652400 r4:00000001 [<802800e0>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137) Exception stack(0xdfaedfb0 to 0xdfaedff8) dfa0: 00000000 00000000 00000000 00000000 dfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 dfe0: 00000000 00000000 00000000 00000000 00000013 00000000 r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802800e0 r4:855a0740 INFO: task kworker/1:70:4426 is blocked on a mutex likely owned by task kworker/1:48:4332. task:kworker/1:48 state:R running task stack:0 pid:4332 tgid:4332 ppid:2 task_flags:0x4208060 flags:0x00000000 Workqueue: events bpf_prog_free_deferred Call trace: [<81a643fc>] (__schedule) from [<81a657c4>] (preempt_schedule_irq+0x40/0xa8 kernel/sched/core.c:7256) r10:8280c9b4 r9:841a1800 r8:80200c04 r7:dfaa5d54 r6:ffffffff r5:841a1800 r4:00000000 [<81a65784>] (preempt_schedule_irq) from [<80200c24>] (svc_preempt+0x8/0x18) Exception stack(0xdfaa5d20 to 0xdfaa5d68) 5d20: ae18d000 ebc85000 00000001 80239bf8 7f00b000 00000001 82acb1c4 82aca5a0 5d40: 7f00b000 ebc85000 8280c9b4 dfaa5d9c dfaa5da0 dfaa5d70 80230af0 80239c10 5d60: 80000113 ffffffff r5:80000113 r4:80239c10 [<80230a8c>] (flush_tlb_kernel_range) from [<804ea0d0>] (__purge_vmap_area_lazy+0x284/0x458 mm/vmalloc.c:2342) r4:82acb1e4 [<804e9e4c>] (__purge_vmap_area_lazy) from [<804ea488>] (_vm_unmap_aliases+0x1e4/0x240 mm/vmalloc.c:2957) r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:dfaa5dc0 r5:dfaa5e08 r4:dfaa5dc0 [<804ea2a4>] (_vm_unmap_aliases) from [<804ee0ec>] (vm_reset_perms mm/vmalloc.c:3349 [inline]) [<804ea2a4>] (_vm_unmap_aliases) from [<804ee0ec>] (vfree+0x16c/0x210 mm/vmalloc.c:3428) r10:83016170 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:85603140 r4:00000000 [<804edf80>] (vfree) from [<80559038>] (execmem_free+0x30/0x50 mm/execmem.c:503) r9:83018605 r8:841a1800 r7:00000000 r6:83018600 r5:00001000 r4:7f03f000 [<80559008>] (execmem_free) from [<803c5fa0>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1052) r5:00001000 r4:e02bf000 [<803c5f90>] (bpf_jit_free_exec) from [<803c6380>] (bpf_jit_binary_free kernel/bpf/core.c:1098 [inline]) [<803c5f90>] (bpf_jit_free_exec) from [<803c6380>] (bpf_jit_free+0x68/0xe4 kernel/bpf/core.c:1221) [<803c6318>] (bpf_jit_free) from [<803c7428>] (bpf_prog_free_deferred+0x140/0x158 kernel/bpf/core.c:2898) r5:8583d38c r4:84e4ab80 [<803c72e8>] (bpf_prog_free_deferred) from [<802785a0>] (process_one_work+0x1b4/0x4f4 kernel/workqueue.c:3263) r7:ddde3d80 r6:83018600 r5:8583d38c r4:84e4ab80 [<802783ec>] (process_one_work) from [<802791e8>] (process_scheduled_works kernel/workqueue.c:3346 [inline]) [<802783ec>] (process_one_work) from [<802791e8>] (worker_thread+0x1fc/0x3d8 kernel/workqueue.c:3427) r10:61c88647 r9:841a1800 r8:84e4abac r7:82804d40 r6:ddde3d80 r5:ddde3da0 r4:84e4ab80 [<80278fec>] (worker_thread) from [<8028020c>] (kthread+0x12c/0x280 kernel/kthread.c:463) r10:00000000 r9:84e4ab80 r8:80278fec r7:dfae1e60 r6:84e4a080 r5:841a1800 r4:00000001 [<802800e0>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137) Exception stack(0xdfaa5fb0 to 0xdfaa5ff8) 5fa0: 00000000 00000000 00000000 00000000 5fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 5fe0: 00000000 00000000 00000000 00000000 00000013 00000000 r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802800e0 r4:854fcbc0 Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings INFO: task kworker/1:71:4427 blocked for more than 430 seconds. Not tainted syzkaller #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:kworker/1:71 state:D stack:0 pid:4427 tgid:4427 ppid:2 task_flags:0x4208060 flags:0x00000000 Workqueue: events bpf_prog_free_deferred Call trace: [<81a643fc>] (__schedule) from [<81a65390>] (__schedule_loop kernel/sched/core.c:7011 [inline]) [<81a643fc>] (__schedule) from [<81a65390>] (schedule+0x2c/0x130 kernel/sched/core.c:7026) r10:dfaf9d84 r9:00000002 r8:60000013 r7:829171a0 r6:dfaf9d8c r5:85653c00 r4:85653c00 [<81a65364>] (schedule) from [<81a65778>] (schedule_preempt_disabled+0x18/0x24 kernel/sched/core.c:7083) r5:85653c00 r4:8291719c [<81a65760>] (schedule_preempt_disabled) from [<81a68328>] (__mutex_lock_common kernel/locking/mutex.c:676 [inline]) [<81a65760>] (schedule_preempt_disabled) from [<81a68328>] (__mutex_lock.constprop.0+0x350/0xa24 kernel/locking/mutex.c:760) [<81a67fd8>] (__mutex_lock.constprop.0) from [<81a68ad0>] (__mutex_lock_slowpath+0x14/0x18 kernel/locking/mutex.c:1049) r10:8280c960 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:dfaf9e08 r4:00000000 [<81a68abc>] (__mutex_lock_slowpath) from [<81a68b10>] (mutex_lock+0x3c/0x40 kernel/locking/mutex.c:274) [<81a68ad4>] (mutex_lock) from [<804ea30c>] (_vm_unmap_aliases+0x68/0x240 mm/vmalloc.c:2918) [<804ea2a4>] (_vm_unmap_aliases) from [<804ee0ec>] (vm_reset_perms mm/vmalloc.c:3349 [inline]) [<804ea2a4>] (_vm_unmap_aliases) from [<804ee0ec>] (vfree+0x16c/0x210 mm/vmalloc.c:3428) r10:83016170 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:8559e4c0 r4:00000000 [<804edf80>] (vfree) from [<80559038>] (execmem_free+0x30/0x50 mm/execmem.c:503) r9:83018605 r8:85653c00 r7:00000000 r6:83018600 r5:00001000 r4:7f06f000 [<80559008>] (execmem_free) from [<803c5fa0>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1052) r5:00001000 r4:eb95f000 [<803c5f90>] (bpf_jit_free_exec) from [<803c6380>] (bpf_jit_binary_free kernel/bpf/core.c:1098 [inline]) [<803c5f90>] (bpf_jit_free_exec) from [<803c6380>] (bpf_jit_free+0x68/0xe4 kernel/bpf/core.c:1221) [<803c6318>] (bpf_jit_free) from [<803c7428>] (bpf_prog_free_deferred+0x140/0x158 kernel/bpf/core.c:2898) r5:85873b8c r4:85423f00 [<803c72e8>] (bpf_prog_free_deferred) from [<802785a0>] (process_one_work+0x1b4/0x4f4 kernel/workqueue.c:3263) r7:ddde3d80 r6:83018600 r5:85873b8c r4:85423f00 [<802783ec>] (process_one_work) from [<802791e8>] (process_scheduled_works kernel/workqueue.c:3346 [inline]) [<802783ec>] (process_one_work) from [<802791e8>] (worker_thread+0x1fc/0x3d8 kernel/workqueue.c:3427) r10:61c88647 r9:85653c00 r8:85423f2c r7:82804d40 r6:ddde3d80 r5:ddde3da0 r4:85423f00 [<80278fec>] (worker_thread) from [<8028020c>] (kthread+0x12c/0x280 kernel/kthread.c:463) r10:00000000 r9:85423f00 r8:80278fec r7:dfc49e60 r6:84c68580 r5:85653c00 r4:00000001 [<802800e0>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137) Exception stack(0xdfaf9fb0 to 0xdfaf9ff8) 9fa0: 00000000 00000000 00000000 00000000 9fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 9fe0: 00000000 00000000 00000000 00000000 00000013 00000000 r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802800e0 r4:856012c0 INFO: task kworker/1:71:4427 is blocked on a mutex likely owned by task kworker/1:48:4332. task:kworker/1:48 state:R running task stack:0 pid:4332 tgid:4332 ppid:2 task_flags:0x4208060 flags:0x00000000 Workqueue: events bpf_prog_free_deferred Call trace: [<81a643fc>] (__schedule) from [<81a657c4>] (preempt_schedule_irq+0x40/0xa8 kernel/sched/core.c:7256) r10:8280c9b4 r9:841a1800 r8:80200c04 r7:dfaa5d54 r6:ffffffff r5:841a1800 r4:00000000 [<81a65784>] (preempt_schedule_irq) from [<80200c24>] (svc_preempt+0x8/0x18) Exception stack(0xdfaa5d20 to 0xdfaa5d68) 5d20: ae18d000 ebc85000 00000001 80239bf8 7f00b000 00000001 82acb1c4 82aca5a0 5d40: 7f00b000 ebc85000 8280c9b4 dfaa5d9c dfaa5da0 dfaa5d70 80230af0 80239c10 5d60: 80000113 ffffffff r5:80000113 r4:80239c10 [<80230a8c>] (flush_tlb_kernel_range) from [<804ea0d0>] (__purge_vmap_area_lazy+0x284/0x458 mm/vmalloc.c:2342) r4:82acb1e4 [<804e9e4c>] (__purge_vmap_area_lazy) from [<804ea488>] (_vm_unmap_aliases+0x1e4/0x240 mm/vmalloc.c:2957) r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:dfaa5dc0 r5:dfaa5e08 r4:dfaa5dc0 [<804ea2a4>] (_vm_unmap_aliases) from [<804ee0ec>] (vm_reset_perms mm/vmalloc.c:3349 [inline]) [<804ea2a4>] (_vm_unmap_aliases) from [<804ee0ec>] (vfree+0x16c/0x210 mm/vmalloc.c:3428) r10:83016170 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:85603140 r4:00000000 [<804edf80>] (vfree) from [<80559038>] (execmem_free+0x30/0x50 mm/execmem.c:503) r9:83018605 r8:841a1800 r7:00000000 r6:83018600 r5:00001000 r4:7f03f000 [<80559008>] (execmem_free) from [<803c5fa0>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1052) r5:00001000 r4:e02bf000 [<803c5f90>] (bpf_jit_free_exec) from [<803c6380>] (bpf_jit_binary_free kernel/bpf/core.c:1098 [inline]) [<803c5f90>] (bpf_jit_free_exec) from [<803c6380>] (bpf_jit_free+0x68/0xe4 kernel/bpf/core.c:1221) [<803c6318>] (bpf_jit_free) from [<803c7428>] (bpf_prog_free_deferred+0x140/0x158 kernel/bpf/core.c:2898) r5:8583d38c r4:84e4ab80 [<803c72e8>] (bpf_prog_free_deferred) from [<802785a0>] (process_one_work+0x1b4/0x4f4 kernel/workqueue.c:3263) r7:ddde3d80 r6:83018600 r5:8583d38c r4:84e4ab80 [<802783ec>] (process_one_work) from [<802791e8>] (process_scheduled_works kernel/workqueue.c:3346 [inline]) [<802783ec>] (process_one_work) from [<802791e8>] (worker_thread+0x1fc/0x3d8 kernel/workqueue.c:3427) r10:61c88647 r9:841a1800 r8:84e4abac r7:82804d40 r6:ddde3d80 r5:ddde3da0 r4:84e4ab80 [<80278fec>] (worker_thread) from [<8028020c>] (kthread+0x12c/0x280 kernel/kthread.c:463) r10:00000000 r9:84e4ab80 r8:80278fec r7:dfae1e60 r6:84e4a080 r5:841a1800 r4:00000001 [<802800e0>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137) Exception stack(0xdfaa5fb0 to 0xdfaa5ff8) 5fa0: 00000000 00000000 00000000 00000000 5fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 5fe0: 00000000 00000000 00000000 00000000 00000013 00000000 r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802800e0 r4:854fcbc0 Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings INFO: task kworker/1:72:4429 blocked for more than 431 seconds. Not tainted syzkaller #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:kworker/1:72 state:D stack:0 pid:4429 tgid:4429 ppid:2 task_flags:0x4208060 flags:0x00000000 Workqueue: events bpf_prog_free_deferred Call trace: [<81a643fc>] (__schedule) from [<81a65390>] (__schedule_loop kernel/sched/core.c:7011 [inline]) [<81a643fc>] (__schedule) from [<81a65390>] (schedule+0x2c/0x130 kernel/sched/core.c:7026) r10:dfb59d84 r9:00000002 r8:60000013 r7:829171a0 r6:dfb59d8c r5:85655400 r4:85655400 [<81a65364>] (schedule) from [<81a65778>] (schedule_preempt_disabled+0x18/0x24 kernel/sched/core.c:7083) r5:85655400 r4:8291719c [<81a65760>] (schedule_preempt_disabled) from [<81a68328>] (__mutex_lock_common kernel/locking/mutex.c:676 [inline]) [<81a65760>] (schedule_preempt_disabled) from [<81a68328>] (__mutex_lock.constprop.0+0x350/0xa24 kernel/locking/mutex.c:760) [<81a67fd8>] (__mutex_lock.constprop.0) from [<81a68ad0>] (__mutex_lock_slowpath+0x14/0x18 kernel/locking/mutex.c:1049) r10:8280c960 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:dfb59e08 r4:00000000 [<81a68abc>] (__mutex_lock_slowpath) from [<81a68b10>] (mutex_lock+0x3c/0x40 kernel/locking/mutex.c:274) [<81a68ad4>] (mutex_lock) from [<804ea30c>] (_vm_unmap_aliases+0x68/0x240 mm/vmalloc.c:2918) [<804ea2a4>] (_vm_unmap_aliases) from [<804ee0ec>] (vm_reset_perms mm/vmalloc.c:3349 [inline]) [<804ea2a4>] (_vm_unmap_aliases) from [<804ee0ec>] (vfree+0x16c/0x210 mm/vmalloc.c:3428) r10:83016170 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:8559edc0 r4:00000000 [<804edf80>] (vfree) from [<80559038>] (execmem_free+0x30/0x50 mm/execmem.c:503) r9:83018605 r8:85655400 r7:00000000 r6:83018600 r5:00001000 r4:7f071000 [<80559008>] (execmem_free) from [<803c5fa0>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1052) r5:00001000 r4:eb987000 [<803c5f90>] (bpf_jit_free_exec) from [<803c6380>] (bpf_jit_binary_free kernel/bpf/core.c:1098 [inline]) [<803c5f90>] (bpf_jit_free_exec) from [<803c6380>] (bpf_jit_free+0x68/0xe4 kernel/bpf/core.c:1221) [<803c6318>] (bpf_jit_free) from [<803c7428>] (bpf_prog_free_deferred+0x140/0x158 kernel/bpf/core.c:2898) r5:8599cf8c r4:85423f80 [<803c72e8>] (bpf_prog_free_deferred) from [<802785a0>] (process_one_work+0x1b4/0x4f4 kernel/workqueue.c:3263) r7:ddde3d80 r6:83018600 r5:8599cf8c r4:85423f80 [<802783ec>] (process_one_work) from [<802791e8>] (process_scheduled_works kernel/workqueue.c:3346 [inline]) [<802783ec>] (process_one_work) from [<802791e8>] (worker_thread+0x1fc/0x3d8 kernel/workqueue.c:3427) r10:61c88647 r9:85655400 r8:85423fac r7:82804d40 r6:ddde3d80 r5:ddde3da0 r4:85423f80 [<80278fec>] (worker_thread) from [<8028020c>] (kthread+0x12c/0x280 kernel/kthread.c:463) r10:00000000 r9:85423f80 r8:80278fec r7:dfc49e60 r6:84c68700 r5:85655400 r4:00000001 [<802800e0>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137) Exception stack(0xdfb59fb0 to 0xdfb59ff8) 9fa0: 00000000 00000000 00000000 00000000 9fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 9fe0: 00000000 00000000 00000000 00000000 00000013 00000000 r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802800e0 r4:85421b40 INFO: task kworker/1:72:4429 is blocked on a mutex likely owned by task kworker/1:48:4332. task:kworker/1:48 state:R running task stack:0 pid:4332 tgid:4332 ppid:2 task_flags:0x4208060 flags:0x00000000 Workqueue: events bpf_prog_free_deferred Call trace: [<81a643fc>] (__schedule) from [<81a657c4>] (preempt_schedule_irq+0x40/0xa8 kernel/sched/core.c:7256) r10:8280c9b4 r9:841a1800 r8:80200c04 r7:dfaa5d54 r6:ffffffff r5:841a1800 r4:00000000 [<81a65784>] (preempt_schedule_irq) from [<80200c24>] (svc_preempt+0x8/0x18) Exception stack(0xdfaa5d20 to 0xdfaa5d68) 5d20: ae18d000 ebc85000 00000001 80239bf8 7f00b000 00000001 82acb1c4 82aca5a0 5d40: 7f00b000 ebc85000 8280c9b4 dfaa5d9c dfaa5da0 dfaa5d70 80230af0 80239c10 5d60: 80000113 ffffffff r5:80000113 r4:80239c10 [<80230a8c>] (flush_tlb_kernel_range) from [<804ea0d0>] (__purge_vmap_area_lazy+0x284/0x458 mm/vmalloc.c:2342) r4:82acb1e4 [<804e9e4c>] (__purge_vmap_area_lazy) from [<804ea488>] (_vm_unmap_aliases+0x1e4/0x240 mm/vmalloc.c:2957) r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:dfaa5dc0 r5:dfaa5e08 r4:dfaa5dc0 [<804ea2a4>] (_vm_unmap_aliases) from [<804ee0ec>] (vm_reset_perms mm/vmalloc.c:3349 [inline]) [<804ea2a4>] (_vm_unmap_aliases) from [<804ee0ec>] (vfree+0x16c/0x210 mm/vmalloc.c:3428) r10:83016170 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:85603140 r4:00000000 [<804edf80>] (vfree) from [<80559038>] (execmem_free+0x30/0x50 mm/execmem.c:503) r9:83018605 r8:841a1800 r7:00000000 r6:83018600 r5:00001000 r4:7f03f000 [<80559008>] (execmem_free) from [<803c5fa0>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1052) r5:00001000 r4:e02bf000 [<803c5f90>] (bpf_jit_free_exec) from [<803c6380>] (bpf_jit_binary_free kernel/bpf/core.c:1098 [inline]) [<803c5f90>] (bpf_jit_free_exec) from [<803c6380>] (bpf_jit_free+0x68/0xe4 kernel/bpf/core.c:1221) [<803c6318>] (bpf_jit_free) from [<803c7428>] (bpf_prog_free_deferred+0x140/0x158 kernel/bpf/core.c:2898) r5:8583d38c r4:84e4ab80 [<803c72e8>] (bpf_prog_free_deferred) from [<802785a0>] (process_one_work+0x1b4/0x4f4 kernel/workqueue.c:3263) r7:ddde3d80 r6:83018600 r5:8583d38c r4:84e4ab80 [<802783ec>] (process_one_work) from [<802791e8>] (process_scheduled_works kernel/workqueue.c:3346 [inline]) [<802783ec>] (process_one_work) from [<802791e8>] (worker_thread+0x1fc/0x3d8 kernel/workqueue.c:3427) r10:61c88647 r9:841a1800 r8:84e4abac r7:82804d40 r6:ddde3d80 r5:ddde3da0 r4:84e4ab80 [<80278fec>] (worker_thread) from [<8028020c>] (kthread+0x12c/0x280 kernel/kthread.c:463) r10:00000000 r9:84e4ab80 r8:80278fec r7:dfae1e60 r6:84e4a080 r5:841a1800 r4:00000001 [<802800e0>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137) Exception stack(0xdfaa5fb0 to 0xdfaa5ff8) 5fa0: 00000000 00000000 00000000 00000000 5fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 5fe0: 00000000 00000000 00000000 00000000 00000013 00000000 r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802800e0 r4:854fcbc0 Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings INFO: task kworker/0:118:4721 blocked for more than 431 seconds. Not tainted syzkaller #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:kworker/0:118 state:D stack:0 pid:4721 tgid:4721 ppid:2 task_flags:0x4208060 flags:0x00000000 Workqueue: events bpf_prog_free_deferred Call trace: [<81a643fc>] (__schedule) from [<81a65390>] (__schedule_loop kernel/sched/core.c:7011 [inline]) [<81a643fc>] (__schedule) from [<81a65390>] (schedule+0x2c/0x130 kernel/sched/core.c:7026) r10:ea56dd84 r9:00000002 r8:60010113 r7:829171a0 r6:ea56dd8c r5:854e2400 r4:854e2400 [<81a65364>] (schedule) from [<81a65778>] (schedule_preempt_disabled+0x18/0x24 kernel/sched/core.c:7083) r5:854e2400 r4:8291719c [<81a65760>] (schedule_preempt_disabled) from [<81a68328>] (__mutex_lock_common kernel/locking/mutex.c:676 [inline]) [<81a65760>] (schedule_preempt_disabled) from [<81a68328>] (__mutex_lock.constprop.0+0x350/0xa24 kernel/locking/mutex.c:760) [<81a67fd8>] (__mutex_lock.constprop.0) from [<81a68ad0>] (__mutex_lock_slowpath+0x14/0x18 kernel/locking/mutex.c:1049) r10:8280c960 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:ea56de08 r4:00000000 [<81a68abc>] (__mutex_lock_slowpath) from [<81a68b10>] (mutex_lock+0x3c/0x40 kernel/locking/mutex.c:274) [<81a68ad4>] (mutex_lock) from [<804ea30c>] (_vm_unmap_aliases+0x68/0x240 mm/vmalloc.c:2918) [<804ea2a4>] (_vm_unmap_aliases) from [<804ee0ec>] (vm_reset_perms mm/vmalloc.c:3349 [inline]) [<804ea2a4>] (_vm_unmap_aliases) from [<804ee0ec>] (vfree+0x16c/0x210 mm/vmalloc.c:3428) r10:83016170 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:854e9800 r4:00000000 [<804edf80>] (vfree) from [<80559038>] (execmem_free+0x30/0x50 mm/execmem.c:503) r9:83018405 r8:854e2400 r7:00000000 r6:83018400 r5:00001000 r4:7f04b000 [<80559008>] (execmem_free) from [<803c5fa0>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1052) r5:00001000 r4:ea6e9000 [<803c5f90>] (bpf_jit_free_exec) from [<803c6380>] (bpf_jit_binary_free kernel/bpf/core.c:1098 [inline]) [<803c5f90>] (bpf_jit_free_exec) from [<803c6380>] (bpf_jit_free+0x68/0xe4 kernel/bpf/core.c:1221) [<803c6318>] (bpf_jit_free) from [<803c7428>] (bpf_prog_free_deferred+0x140/0x158 kernel/bpf/core.c:2898) r5:85863f8c r4:84dd5880 [<803c72e8>] (bpf_prog_free_deferred) from [<802785a0>] (process_one_work+0x1b4/0x4f4 kernel/workqueue.c:3263) r7:dddcfd80 r6:83018400 r5:85863f8c r4:84dd5880 [<802783ec>] (process_one_work) from [<802791e8>] (process_scheduled_works kernel/workqueue.c:3346 [inline]) [<802783ec>] (process_one_work) from [<802791e8>] (worker_thread+0x1fc/0x3d8 kernel/workqueue.c:3427) r10:61c88647 r9:854e2400 r8:84dd58ac r7:82804d40 r6:dddcfd80 r5:dddcfda0 r4:84dd5880 [<80278fec>] (worker_thread) from [<8028020c>] (kthread+0x12c/0x280 kernel/kthread.c:463) r10:00000000 r9:84dd5880 r8:80278fec r7:ea569e60 r6:84dd5800 r5:854e2400 r4:00000001 [<802800e0>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137) Exception stack(0xea56dfb0 to 0xea56dff8) dfa0: 00000000 00000000 00000000 00000000 dfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 dfe0: 00000000 00000000 00000000 00000000 00000013 00000000 r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802800e0 r4:8574dac0 INFO: task kworker/0:118:4721 is blocked on a mutex likely owned by task kworker/1:48:4332. task:kworker/1:48 state:R running task stack:0 pid:4332 tgid:4332 ppid:2 task_flags:0x4208060 flags:0x00000000 Workqueue: events bpf_prog_free_deferred Call trace: [<81a643fc>] (__schedule) from [<81a657c4>] (preempt_schedule_irq+0x40/0xa8 kernel/sched/core.c:7256) r10:8280c9b4 r9:841a1800 r8:80200c04 r7:dfaa5d54 r6:ffffffff r5:841a1800 r4:00000000 [<81a65784>] (preempt_schedule_irq) from [<80200c24>] (svc_preempt+0x8/0x18) Exception stack(0xdfaa5d20 to 0xdfaa5d68) 5d20: ae18d000 ebc85000 00000001 80239bf8 7f00b000 00000001 82acb1c4 82aca5a0 5d40: 7f00b000 ebc85000 8280c9b4 dfaa5d9c dfaa5da0 dfaa5d70 80230af0 80239c10 5d60: 80000113 ffffffff r5:80000113 r4:80239c10 [<80230a8c>] (flush_tlb_kernel_range) from [<804ea0d0>] (__purge_vmap_area_lazy+0x284/0x458 mm/vmalloc.c:2342) r4:82acb1e4 [<804e9e4c>] (__purge_vmap_area_lazy) from [<804ea488>] (_vm_unmap_aliases+0x1e4/0x240 mm/vmalloc.c:2957) r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:dfaa5dc0 r5:dfaa5e08 r4:dfaa5dc0 [<804ea2a4>] (_vm_unmap_aliases) from [<804ee0ec>] (vm_reset_perms mm/vmalloc.c:3349 [inline]) [<804ea2a4>] (_vm_unmap_aliases) from [<804ee0ec>] (vfree+0x16c/0x210 mm/vmalloc.c:3428) r10:83016170 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:85603140 r4:00000000 [<804edf80>] (vfree) from [<80559038>] (execmem_free+0x30/0x50 mm/execmem.c:503) r9:83018605 r8:841a1800 r7:00000000 r6:83018600 r5:00001000 r4:7f03f000 [<80559008>] (execmem_free) from [<803c5fa0>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1052) r5:00001000 r4:e02bf000 [<803c5f90>] (bpf_jit_free_exec) from [<803c6380>] (bpf_jit_binary_free kernel/bpf/core.c:1098 [inline]) [<803c5f90>] (bpf_jit_free_exec) from [<803c6380>] (bpf_jit_free+0x68/0xe4 kernel/bpf/core.c:1221) [<803c6318>] (bpf_jit_free) from [<803c7428>] (bpf_prog_free_deferred+0x140/0x158 kernel/bpf/core.c:2898) r5:8583d38c r4:84e4ab80 [<803c72e8>] (bpf_prog_free_deferred) from [<802785a0>] (process_one_work+0x1b4/0x4f4 kernel/workqueue.c:3263) r7:ddde3d80 r6:83018600 r5:8583d38c r4:84e4ab80 [<802783ec>] (process_one_work) from [<802791e8>] (process_scheduled_works kernel/workqueue.c:3346 [inline]) [<802783ec>] (process_one_work) from [<802791e8>] (worker_thread+0x1fc/0x3d8 kernel/workqueue.c:3427) r10:61c88647 r9:841a1800 r8:84e4abac r7:82804d40 r6:ddde3d80 r5:ddde3da0 r4:84e4ab80 [<80278fec>] (worker_thread) from [<8028020c>] (kthread+0x12c/0x280 kernel/kthread.c:463) r10:00000000 r9:84e4ab80 r8:80278fec r7:dfae1e60 r6:84e4a080 r5:841a1800 r4:00000001 [<802800e0>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137) Exception stack(0xdfaa5fb0 to 0xdfaa5ff8) 5fa0: 00000000 00000000 00000000 00000000 5fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 5fe0: 00000000 00000000 00000000 00000000 00000013 00000000 r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802800e0 r4:854fcbc0 Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings INFO: task kworker/0:120:4800 blocked for more than 431 seconds. Not tainted syzkaller #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:kworker/0:120 state:D stack:0 pid:4800 tgid:4800 ppid:2 task_flags:0x4208060 flags:0x00000000 Workqueue: events bpf_prog_free_deferred Call trace: [<81a643fc>] (__schedule) from [<81a65390>] (__schedule_loop kernel/sched/core.c:7011 [inline]) [<81a643fc>] (__schedule) from [<81a65390>] (schedule+0x2c/0x130 kernel/sched/core.c:7026) r10:ea675d84 r9:00000002 r8:60000113 r7:829171a0 r6:ea675d8c r5:84f4a400 r4:84f4a400 [<81a65364>] (schedule) from [<81a65778>] (schedule_preempt_disabled+0x18/0x24 kernel/sched/core.c:7083) r5:84f4a400 r4:8291719c [<81a65760>] (schedule_preempt_disabled) from [<81a68328>] (__mutex_lock_common kernel/locking/mutex.c:676 [inline]) [<81a65760>] (schedule_preempt_disabled) from [<81a68328>] (__mutex_lock.constprop.0+0x350/0xa24 kernel/locking/mutex.c:760) [<81a67fd8>] (__mutex_lock.constprop.0) from [<81a68ad0>] (__mutex_lock_slowpath+0x14/0x18 kernel/locking/mutex.c:1049) r10:8280c960 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:ea675e08 r4:00000000 [<81a68abc>] (__mutex_lock_slowpath) from [<81a68b10>] (mutex_lock+0x3c/0x40 kernel/locking/mutex.c:274) [<81a68ad4>] (mutex_lock) from [<804ea30c>] (_vm_unmap_aliases+0x68/0x240 mm/vmalloc.c:2918) [<804ea2a4>] (_vm_unmap_aliases) from [<804ee0ec>] (vm_reset_perms mm/vmalloc.c:3349 [inline]) [<804ea2a4>] (_vm_unmap_aliases) from [<804ee0ec>] (vfree+0x16c/0x210 mm/vmalloc.c:3428) r10:83016170 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:84fe54c0 r4:00000000 [<804edf80>] (vfree) from [<80559038>] (execmem_free+0x30/0x50 mm/execmem.c:503) r9:83018405 r8:84f4a400 r7:00000000 r6:83018400 r5:00001000 r4:7f06d000 [<80559008>] (execmem_free) from [<803c5fa0>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1052) r5:00001000 r4:eb933000 [<803c5f90>] (bpf_jit_free_exec) from [<803c6380>] (bpf_jit_binary_free kernel/bpf/core.c:1098 [inline]) [<803c5f90>] (bpf_jit_free_exec) from [<803c6380>] (bpf_jit_free+0x68/0xe4 kernel/bpf/core.c:1221) [<803c6318>] (bpf_jit_free) from [<803c7428>] (bpf_prog_free_deferred+0x140/0x158 kernel/bpf/core.c:2898) r5:8557b78c r4:85610900 [<803c72e8>] (bpf_prog_free_deferred) from [<802785a0>] (process_one_work+0x1b4/0x4f4 kernel/workqueue.c:3263) r7:dddcfd80 r6:83018400 r5:8557b78c r4:85610900 [<802783ec>] (process_one_work) from [<802791e8>] (process_scheduled_works kernel/workqueue.c:3346 [inline]) [<802783ec>] (process_one_work) from [<802791e8>] (worker_thread+0x1fc/0x3d8 kernel/workqueue.c:3427) r10:61c88647 r9:84f4a400 r8:8561092c r7:82804d40 r6:dddcfd80 r5:dddcfda0 r4:85610900 [<80278fec>] (worker_thread) from [<8028020c>] (kthread+0x12c/0x280 kernel/kthread.c:463) r10:00000000 r9:85610900 r8:80278fec r7:ea60de60 r6:85610a80 r5:84f4a400 r4:00000001 [<802800e0>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137) Exception stack(0xea675fb0 to 0xea675ff8) 5fa0: 00000000 00000000 00000000 00000000 5fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 5fe0: 00000000 00000000 00000000 00000000 00000013 00000000 r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802800e0 r4:84fe4600 INFO: task kworker/0:120:4800 is blocked on a mutex likely owned by task kworker/1:48:4332. task:kworker/1:48 state:R running task stack:0 pid:4332 tgid:4332 ppid:2 task_flags:0x4208060 flags:0x00000000 Workqueue: events bpf_prog_free_deferred Call trace: [<81a643fc>] (__schedule) from [<81a657c4>] (preempt_schedule_irq+0x40/0xa8 kernel/sched/core.c:7256) r10:8280c9b4 r9:841a1800 r8:80200c04 r7:dfaa5d54 r6:ffffffff r5:841a1800 r4:00000000 [<81a65784>] (preempt_schedule_irq) from [<80200c24>] (svc_preempt+0x8/0x18) Exception stack(0xdfaa5d20 to 0xdfaa5d68) 5d20: ae18d000 ebc85000 00000001 80239bf8 7f00b000 00000001 82acb1c4 82aca5a0 5d40: 7f00b000 ebc85000 8280c9b4 dfaa5d9c dfaa5da0 dfaa5d70 80230af0 80239c10 5d60: 80000113 ffffffff r5:80000113 r4:80239c10 [<80230a8c>] (flush_tlb_kernel_range) from [<804ea0d0>] (__purge_vmap_area_lazy+0x284/0x458 mm/vmalloc.c:2342) r4:82acb1e4 [<804e9e4c>] (__purge_vmap_area_lazy) from [<804ea488>] (_vm_unmap_aliases+0x1e4/0x240 mm/vmalloc.c:2957) r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:dfaa5dc0 r5:dfaa5e08 r4:dfaa5dc0 [<804ea2a4>] (_vm_unmap_aliases) from [<804ee0ec>] (vm_reset_perms mm/vmalloc.c:3349 [inline]) [<804ea2a4>] (_vm_unmap_aliases) from [<804ee0ec>] (vfree+0x16c/0x210 mm/vmalloc.c:3428) r10:83016170 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:85603140 r4:00000000 [<804edf80>] (vfree) from [<80559038>] (execmem_free+0x30/0x50 mm/execmem.c:503) r9:83018605 r8:841a1800 r7:00000000 r6:83018600 r5:00001000 r4:7f03f000 [<80559008>] (execmem_free) from [<803c5fa0>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1052) r5:00001000 r4:e02bf000 [<803c5f90>] (bpf_jit_free_exec) from [<803c6380>] (bpf_jit_binary_free kernel/bpf/core.c:1098 [inline]) [<803c5f90>] (bpf_jit_free_exec) from [<803c6380>] (bpf_jit_free+0x68/0xe4 kernel/bpf/core.c:1221) [<803c6318>] (bpf_jit_free) from [<803c7428>] (bpf_prog_free_deferred+0x140/0x158 kernel/bpf/core.c:2898) r5:8583d38c r4:84e4ab80 [<803c72e8>] (bpf_prog_free_deferred) from [<802785a0>] (process_one_work+0x1b4/0x4f4 kernel/workqueue.c:3263) r7:ddde3d80 r6:83018600 r5:8583d38c r4:84e4ab80 [<802783ec>] (process_one_work) from [<802791e8>] (process_scheduled_works kernel/workqueue.c:3346 [inline]) [<802783ec>] (process_one_work) from [<802791e8>] (worker_thread+0x1fc/0x3d8 kernel/workqueue.c:3427) r10:61c88647 r9:841a1800 r8:84e4abac r7:82804d40 r6:ddde3d80 r5:ddde3da0 r4:84e4ab80 [<80278fec>] (worker_thread) from [<8028020c>] (kthread+0x12c/0x280 kernel/kthread.c:463) r10:00000000 r9:84e4ab80 r8:80278fec r7:dfae1e60 r6:84e4a080 r5:841a1800 r4:00000001 [<802800e0>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137) Exception stack(0xdfaa5fb0 to 0xdfaa5ff8) 5fa0: 00000000 00000000 00000000 00000000 5fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 5fe0: 00000000 00000000 00000000 00000000 00000013 00000000 r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802800e0 r4:854fcbc0 Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings INFO: task kworker/0:126:4812 blocked for more than 431 seconds. Not tainted syzkaller #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:kworker/0:126 state:D stack:0 pid:4812 tgid:4812 ppid:2 task_flags:0x4208060 flags:0x00000000 Workqueue: events bpf_prog_free_deferred Call trace: [<81a643fc>] (__schedule) from [<81a65390>] (__schedule_loop kernel/sched/core.c:7011 [inline]) [<81a643fc>] (__schedule) from [<81a65390>] (schedule+0x2c/0x130 kernel/sched/core.c:7026) r10:ea6d9d84 r9:00000002 r8:60000113 r7:829171a0 r6:ea6d9d8c r5:85824800 r4:85824800 [<81a65364>] (schedule) from [<81a65778>] (schedule_preempt_disabled+0x18/0x24 kernel/sched/core.c:7083) r5:85824800 r4:8291719c [<81a65760>] (schedule_preempt_disabled) from [<81a68328>] (__mutex_lock_common kernel/locking/mutex.c:676 [inline]) [<81a65760>] (schedule_preempt_disabled) from [<81a68328>] (__mutex_lock.constprop.0+0x350/0xa24 kernel/locking/mutex.c:760) [<81a67fd8>] (__mutex_lock.constprop.0) from [<81a68ad0>] (__mutex_lock_slowpath+0x14/0x18 kernel/locking/mutex.c:1049) r10:8280c960 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:ea6d9e08 r4:00000000 [<81a68abc>] (__mutex_lock_slowpath) from [<81a68b10>] (mutex_lock+0x3c/0x40 kernel/locking/mutex.c:274) [<81a68ad4>] (mutex_lock) from [<804ea30c>] (_vm_unmap_aliases+0x68/0x240 mm/vmalloc.c:2918) [<804ea2a4>] (_vm_unmap_aliases) from [<804ee0ec>] (vm_reset_perms mm/vmalloc.c:3349 [inline]) [<804ea2a4>] (_vm_unmap_aliases) from [<804ee0ec>] (vfree+0x16c/0x210 mm/vmalloc.c:3428) r10:83016170 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:84b21d80 r4:00000000 [<804edf80>] (vfree) from [<80559038>] (execmem_free+0x30/0x50 mm/execmem.c:503) r9:83018405 r8:85824800 r7:00000000 r6:83018400 r5:00001000 r4:7f053000 [<80559008>] (execmem_free) from [<803c5fa0>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1052) r5:00001000 r4:eab3f000 [<803c5f90>] (bpf_jit_free_exec) from [<803c6380>] (bpf_jit_binary_free kernel/bpf/core.c:1098 [inline]) [<803c5f90>] (bpf_jit_free_exec) from [<803c6380>] (bpf_jit_free+0x68/0xe4 kernel/bpf/core.c:1221) [<803c6318>] (bpf_jit_free) from [<803c7428>] (bpf_prog_free_deferred+0x140/0x158 kernel/bpf/core.c:2898) r5:8557878c r4:84fe7100 [<803c72e8>] (bpf_prog_free_deferred) from [<802785a0>] (process_one_work+0x1b4/0x4f4 kernel/workqueue.c:3263) r7:dddcfd80 r6:83018400 r5:8557878c r4:84fe7100 [<802783ec>] (process_one_work) from [<802791e8>] (process_scheduled_works kernel/workqueue.c:3346 [inline]) [<802783ec>] (process_one_work) from [<802791e8>] (worker_thread+0x1fc/0x3d8 kernel/workqueue.c:3427) r10:61c88647 r9:85824800 r8:84fe712c r7:82804d40 r6:dddcfd80 r5:dddcfda0 r4:84fe7100 [<80278fec>] (worker_thread) from [<8028020c>] (kthread+0x12c/0x280 kernel/kthread.c:463) r10:00000000 r9:84fe7100 r8:80278fec r7:ea6a9e60 r6:85433a80 r5:85824800 r4:00000001 [<802800e0>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137) Exception stack(0xea6d9fb0 to 0xea6d9ff8) 9fa0: 00000000 00000000 00000000 00000000 9fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 9fe0: 00000000 00000000 00000000 00000000 00000013 00000000 r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802800e0 r4:8574db80 INFO: task kworker/0:126:4812 is blocked on a mutex likely owned by task kworker/1:48:4332. task:kworker/1:48 state:R running task stack:0 pid:4332 tgid:4332 ppid:2 task_flags:0x4208060 flags:0x00000000 Workqueue: events bpf_prog_free_deferred Call trace: [<81a643fc>] (__schedule) from [<81a657c4>] (preempt_schedule_irq+0x40/0xa8 kernel/sched/core.c:7256) r10:8280c9b4 r9:841a1800 r8:80200c04 r7:dfaa5d54 r6:ffffffff r5:841a1800 r4:00000000 [<81a65784>] (preempt_schedule_irq) from [<80200c24>] (svc_preempt+0x8/0x18) Exception stack(0xdfaa5d20 to 0xdfaa5d68) 5d20: ae18d000 ebc85000 00000001 80239bf8 7f00b000 00000001 82acb1c4 82aca5a0 5d40: 7f00b000 ebc85000 8280c9b4 dfaa5d9c dfaa5da0 dfaa5d70 80230af0 80239c10 5d60: 80000113 ffffffff r5:80000113 r4:80239c10 [<80230a8c>] (flush_tlb_kernel_range) from [<804ea0d0>] (__purge_vmap_area_lazy+0x284/0x458 mm/vmalloc.c:2342) r4:82acb1e4 [<804e9e4c>] (__purge_vmap_area_lazy) from [<804ea488>] (_vm_unmap_aliases+0x1e4/0x240 mm/vmalloc.c:2957) r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:dfaa5dc0 r5:dfaa5e08 r4:dfaa5dc0 [<804ea2a4>] (_vm_unmap_aliases) from [<804ee0ec>] (vm_reset_perms mm/vmalloc.c:3349 [inline]) [<804ea2a4>] (_vm_unmap_aliases) from [<804ee0ec>] (vfree+0x16c/0x210 mm/vmalloc.c:3428) r10:83016170 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:85603140 r4:00000000 [<804edf80>] (vfree) from [<80559038>] (execmem_free+0x30/0x50 mm/execmem.c:503) r9:83018605 r8:841a1800 r7:00000000 r6:83018600 r5:00001000 r4:7f03f000 [<80559008>] (execmem_free) from [<803c5fa0>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1052) r5:00001000 r4:e02bf000 [<803c5f90>] (bpf_jit_free_exec) from [<803c6380>] (bpf_jit_binary_free kernel/bpf/core.c:1098 [inline]) [<803c5f90>] (bpf_jit_free_exec) from [<803c6380>] (bpf_jit_free+0x68/0xe4 kernel/bpf/core.c:1221) [<803c6318>] (bpf_jit_free) from [<803c7428>] (bpf_prog_free_deferred+0x140/0x158 kernel/bpf/core.c:2898) r5:8583d38c r4:84e4ab80 [<803c72e8>] (bpf_prog_free_deferred) from [<802785a0>] (process_one_work+0x1b4/0x4f4 kernel/workqueue.c:3263) r7:ddde3d80 r6:83018600 r5:8583d38c r4:84e4ab80 [<802783ec>] (process_one_work) from [<802791e8>] (process_scheduled_works kernel/workqueue.c:3346 [inline]) [<802783ec>] (process_one_work) from [<802791e8>] (worker_thread+0x1fc/0x3d8 kernel/workqueue.c:3427) r10:61c88647 r9:841a1800 r8:84e4abac r7:82804d40 r6:ddde3d80 r5:ddde3da0 r4:84e4ab80 [<80278fec>] (worker_thread) from [<8028020c>] (kthread+0x12c/0x280 kernel/kthread.c:463) r10:00000000 r9:84e4ab80 r8:80278fec r7:dfae1e60 r6:84e4a080 r5:841a1800 r4:00000001 [<802800e0>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137) Exception stack(0xdfaa5fb0 to 0xdfaa5ff8) 5fa0: 00000000 00000000 00000000 00000000 5fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 5fe0: 00000000 00000000 00000000 00000000 00000013 00000000 r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802800e0 r4:854fcbc0 Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings INFO: task kworker/0:127:4813 blocked for more than 431 seconds. Not tainted syzkaller #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:kworker/0:127 state:D stack:0 pid:4813 tgid:4813 ppid:2 task_flags:0x4208060 flags:0x00000000 Workqueue: events bpf_prog_free_deferred Call trace: [<81a643fc>] (__schedule) from [<81a65390>] (__schedule_loop kernel/sched/core.c:7011 [inline]) [<81a643fc>] (__schedule) from [<81a65390>] (schedule+0x2c/0x130 kernel/sched/core.c:7026) r10:ea6ddd84 r9:00000002 r8:60010113 r7:829171a0 r6:ea6ddd8c r5:85825400 r4:85825400 [<81a65364>] (schedule) from [<81a65778>] (schedule_preempt_disabled+0x18/0x24 kernel/sched/core.c:7083) r5:85825400 r4:8291719c [<81a65760>] (schedule_preempt_disabled) from [<81a68328>] (__mutex_lock_common kernel/locking/mutex.c:676 [inline]) [<81a65760>] (schedule_preempt_disabled) from [<81a68328>] (__mutex_lock.constprop.0+0x350/0xa24 kernel/locking/mutex.c:760) [<81a67fd8>] (__mutex_lock.constprop.0) from [<81a68ad0>] (__mutex_lock_slowpath+0x14/0x18 kernel/locking/mutex.c:1049) r10:8280c960 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:ea6dde08 r4:00000000 [<81a68abc>] (__mutex_lock_slowpath) from [<81a68b10>] (mutex_lock+0x3c/0x40 kernel/locking/mutex.c:274) [<81a68ad4>] (mutex_lock) from [<804ea30c>] (_vm_unmap_aliases+0x68/0x240 mm/vmalloc.c:2918) [<804ea2a4>] (_vm_unmap_aliases) from [<804ee0ec>] (vm_reset_perms mm/vmalloc.c:3349 [inline]) [<804ea2a4>] (_vm_unmap_aliases) from [<804ee0ec>] (vfree+0x16c/0x210 mm/vmalloc.c:3428) r10:83016170 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:85793540 r4:00000000 [<804edf80>] (vfree) from [<80559038>] (execmem_free+0x30/0x50 mm/execmem.c:503) r9:83018405 r8:85825400 r7:00000000 r6:83018400 r5:00001000 r4:7f04f000 [<80559008>] (execmem_free) from [<803c5fa0>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1052) r5:00001000 r4:ea967000 [<803c5f90>] (bpf_jit_free_exec) from [<803c6380>] (bpf_jit_binary_free kernel/bpf/core.c:1098 [inline]) [<803c5f90>] (bpf_jit_free_exec) from [<803c6380>] (bpf_jit_free+0x68/0xe4 kernel/bpf/core.c:1221) [<803c6318>] (bpf_jit_free) from [<803c7428>] (bpf_prog_free_deferred+0x140/0x158 kernel/bpf/core.c:2898) r5:8586238c r4:84fe7180 [<803c72e8>] (bpf_prog_free_deferred) from [<802785a0>] (process_one_work+0x1b4/0x4f4 kernel/workqueue.c:3263) r7:dddcfd80 r6:83018400 r5:8586238c r4:84fe7180 [<802783ec>] (process_one_work) from [<802791e8>] (process_scheduled_works kernel/workqueue.c:3346 [inline]) [<802783ec>] (process_one_work) from [<802791e8>] (worker_thread+0x1fc/0x3d8 kernel/workqueue.c:3427) r10:61c88647 r9:85825400 r8:84fe71ac r7:82804d40 r6:dddcfd80 r5:dddcfda0 r4:84fe7180 [<80278fec>] (worker_thread) from [<8028020c>] (kthread+0x12c/0x280 kernel/kthread.c:463) r10:00000000 r9:84fe7180 r8:80278fec r7:ea6a9e60 r6:85433b80 r5:85825400 r4:00000001 [<802800e0>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137) Exception stack(0xea6ddfb0 to 0xea6ddff8) dfa0: 00000000 00000000 00000000 00000000 dfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 dfe0: 00000000 00000000 00000000 00000000 00000013 00000000 r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802800e0 r4:84fe4480 INFO: task kworker/0:127:4813 is blocked on a mutex likely owned by task kworker/1:48:4332. task:kworker/1:48 state:R running task stack:0 pid:4332 tgid:4332 ppid:2 task_flags:0x4208060 flags:0x00000000 Workqueue: events bpf_prog_free_deferred Call trace: [<81a643fc>] (__schedule) from [<81a657c4>] (preempt_schedule_irq+0x40/0xa8 kernel/sched/core.c:7256) r10:8280c9b4 r9:841a1800 r8:80200c04 r7:dfaa5d54 r6:ffffffff r5:841a1800 r4:00000000 [<81a65784>] (preempt_schedule_irq) from [<80200c24>] (svc_preempt+0x8/0x18) Exception stack(0xdfaa5d20 to 0xdfaa5d68) 5d20: ae18d000 ebc85000 00000001 80239bf8 7f00b000 00000001 82acb1c4 82aca5a0 5d40: 7f00b000 ebc85000 8280c9b4 dfaa5d9c dfaa5da0 dfaa5d70 80230af0 80239c10 5d60: 80000113 ffffffff r5:80000113 r4:80239c10 [<80230a8c>] (flush_tlb_kernel_range) from [<804ea0d0>] (__purge_vmap_area_lazy+0x284/0x458 mm/vmalloc.c:2342) r4:82acb1e4 [<804e9e4c>] (__purge_vmap_area_lazy) from [<804ea488>] (_vm_unmap_aliases+0x1e4/0x240 mm/vmalloc.c:2957) r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:dfaa5dc0 r5:dfaa5e08 r4:dfaa5dc0 [<804ea2a4>] (_vm_unmap_aliases) from [<804ee0ec>] (vm_reset_perms mm/vmalloc.c:3349 [inline]) [<804ea2a4>] (_vm_unmap_aliases) from [<804ee0ec>] (vfree+0x16c/0x210 mm/vmalloc.c:3428) r10:83016170 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:85603140 r4:00000000 [<804edf80>] (vfree) from [<80559038>] (execmem_free+0x30/0x50 mm/execmem.c:503) r9:83018605 r8:841a1800 r7:00000000 r6:83018600 r5:00001000 r4:7f03f000 [<80559008>] (execmem_free) from [<803c5fa0>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1052) r5:00001000 r4:e02bf000 [<803c5f90>] (bpf_jit_free_exec) from [<803c6380>] (bpf_jit_binary_free kernel/bpf/core.c:1098 [inline]) [<803c5f90>] (bpf_jit_free_exec) from [<803c6380>] (bpf_jit_free+0x68/0xe4 kernel/bpf/core.c:1221) [<803c6318>] (bpf_jit_free) from [<803c7428>] (bpf_prog_free_deferred+0x140/0x158 kernel/bpf/core.c:2898) r5:8583d38c r4:84e4ab80 [<803c72e8>] (bpf_prog_free_deferred) from [<802785a0>] (process_one_work+0x1b4/0x4f4 kernel/workqueue.c:3263) r7:ddde3d80 r6:83018600 r5:8583d38c r4:84e4ab80 [<802783ec>] (process_one_work) from [<802791e8>] (process_scheduled_works kernel/workqueue.c:3346 [inline]) [<802783ec>] (process_one_work) from [<802791e8>] (worker_thread+0x1fc/0x3d8 kernel/workqueue.c:3427) r10:61c88647 r9:841a1800 r8:84e4abac r7:82804d40 r6:ddde3d80 r5:ddde3da0 r4:84e4ab80 [<80278fec>] (worker_thread) from [<8028020c>] (kthread+0x12c/0x280 kernel/kthread.c:463) r10:00000000 r9:84e4ab80 r8:80278fec r7:dfae1e60 r6:84e4a080 r5:841a1800 r4:00000001 [<802800e0>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137) Exception stack(0xdfaa5fb0 to 0xdfaa5ff8) 5fa0: 00000000 00000000 00000000 00000000 5fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 5fe0: 00000000 00000000 00000000 00000000 00000013 00000000 r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802800e0 r4:854fcbc0 Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings INFO: task kworker/0:129:4819 blocked for more than 431 seconds. Not tainted syzkaller #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:kworker/0:129 state:D stack:0 pid:4819 tgid:4819 ppid:2 task_flags:0x4208060 flags:0x00000000 Workqueue: events bpf_prog_free_deferred Call trace: [<81a643fc>] (__schedule) from [<81a65390>] (__schedule_loop kernel/sched/core.c:7011 [inline]) [<81a643fc>] (__schedule) from [<81a65390>] (schedule+0x2c/0x130 kernel/sched/core.c:7026) r10:ea6f5d84 r9:00000002 r8:60010113 r7:829171a0 r6:ea6f5d8c r5:85821800 r4:85821800 [<81a65364>] (schedule) from [<81a65778>] (schedule_preempt_disabled+0x18/0x24 kernel/sched/core.c:7083) r5:85821800 r4:8291719c [<81a65760>] (schedule_preempt_disabled) from [<81a68328>] (__mutex_lock_common kernel/locking/mutex.c:676 [inline]) [<81a65760>] (schedule_preempt_disabled) from [<81a68328>] (__mutex_lock.constprop.0+0x350/0xa24 kernel/locking/mutex.c:760) [<81a67fd8>] (__mutex_lock.constprop.0) from [<81a68ad0>] (__mutex_lock_slowpath+0x14/0x18 kernel/locking/mutex.c:1049) r10:8280c960 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:ea6f5e08 r4:00000000 [<81a68abc>] (__mutex_lock_slowpath) from [<81a68b10>] (mutex_lock+0x3c/0x40 kernel/locking/mutex.c:274) [<81a68ad4>] (mutex_lock) from [<804ea30c>] (_vm_unmap_aliases+0x68/0x240 mm/vmalloc.c:2918) [<804ea2a4>] (_vm_unmap_aliases) from [<804ee0ec>] (vm_reset_perms mm/vmalloc.c:3349 [inline]) [<804ea2a4>] (_vm_unmap_aliases) from [<804ee0ec>] (vfree+0x16c/0x210 mm/vmalloc.c:3428) r10:83016170 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:84fe5680 r4:00000000 [<804edf80>] (vfree) from [<80559038>] (execmem_free+0x30/0x50 mm/execmem.c:503) r9:83018405 r8:85821800 r7:00000000 r6:83018400 r5:00001000 r4:7f077000 [<80559008>] (execmem_free) from [<803c5fa0>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1052) r5:00001000 r4:eb9fd000 [<803c5f90>] (bpf_jit_free_exec) from [<803c6380>] (bpf_jit_binary_free kernel/bpf/core.c:1098 [inline]) [<803c5f90>] (bpf_jit_free_exec) from [<803c6380>] (bpf_jit_free+0x68/0xe4 kernel/bpf/core.c:1221) [<803c6318>] (bpf_jit_free) from [<803c7428>] (bpf_prog_free_deferred+0x140/0x158 kernel/bpf/core.c:2898) r5:8557bb8c r4:84fe7280 [<803c72e8>] (bpf_prog_free_deferred) from [<802785a0>] (process_one_work+0x1b4/0x4f4 kernel/workqueue.c:3263) r7:dddcfd80 r6:83018400 r5:8557bb8c r4:84fe7280 [<802783ec>] (process_one_work) from [<802791e8>] (process_scheduled_works kernel/workqueue.c:3346 [inline]) [<802783ec>] (process_one_work) from [<802791e8>] (worker_thread+0x1fc/0x3d8 kernel/workqueue.c:3427) r10:61c88647 r9:85821800 r8:84fe72ac r7:82804d40 r6:dddcfd80 r5:dddcfda0 r4:84fe7280 [<80278fec>] (worker_thread) from [<8028020c>] (kthread+0x12c/0x280 kernel/kthread.c:463) r10:00000000 r9:84fe7280 r8:80278fec r7:ea6d9e60 r6:85433e80 r5:85821800 r4:00000001 [<802800e0>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137) Exception stack(0xea6f5fb0 to 0xea6f5ff8) 5fa0: 00000000 00000000 00000000 00000000 5fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 5fe0: 00000000 00000000 00000000 00000000 00000013 00000000 r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802800e0 r4:8560f0c0 INFO: task kworker/0:129:4819 is blocked on a mutex likely owned by task kworker/1:48:4332. task:kworker/1:48 state:R running task stack:0 pid:4332 tgid:4332 ppid:2 task_flags:0x4208060 flags:0x00000000 Workqueue: events bpf_prog_free_deferred Call trace: [<81a643fc>] (__schedule) from [<81a657c4>] (preempt_schedule_irq+0x40/0xa8 kernel/sched/core.c:7256) r10:8280c9b4 r9:841a1800 r8:80200c04 r7:dfaa5d54 r6:ffffffff r5:841a1800 r4:00000000 [<81a65784>] (preempt_schedule_irq) from [<80200c24>] (svc_preempt+0x8/0x18) Exception stack(0xdfaa5d20 to 0xdfaa5d68) 5d20: ae18d000 ebc85000 00000001 80239bf8 7f00b000 00000001 82acb1c4 82aca5a0 5d40: 7f00b000 ebc85000 8280c9b4 dfaa5d9c dfaa5da0 dfaa5d70 80230af0 80239c10 5d60: 80000113 ffffffff r5:80000113 r4:80239c10 [<80230a8c>] (flush_tlb_kernel_range) from [<804ea0d0>] (__purge_vmap_area_lazy+0x284/0x458 mm/vmalloc.c:2342) r4:82acb1e4 [<804e9e4c>] (__purge_vmap_area_lazy) from [<804ea488>] (_vm_unmap_aliases+0x1e4/0x240 mm/vmalloc.c:2957) r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:dfaa5dc0 r5:dfaa5e08 r4:dfaa5dc0 [<804ea2a4>] (_vm_unmap_aliases) from [<804ee0ec>] (vm_reset_perms mm/vmalloc.c:3349 [inline]) [<804ea2a4>] (_vm_unmap_aliases) from [<804ee0ec>] (vfree+0x16c/0x210 mm/vmalloc.c:3428) r10:83016170 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:85603140 r4:00000000 [<804edf80>] (vfree) from [<80559038>] (execmem_free+0x30/0x50 mm/execmem.c:503) r9:83018605 r8:841a1800 r7:00000000 r6:83018600 r5:00001000 r4:7f03f000 [<80559008>] (execmem_free) from [<803c5fa0>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1052) r5:00001000 r4:e02bf000 [<803c5f90>] (bpf_jit_free_exec) from [<803c6380>] (bpf_jit_binary_free kernel/bpf/core.c:1098 [inline]) [<803c5f90>] (bpf_jit_free_exec) from [<803c6380>] (bpf_jit_free+0x68/0xe4 kernel/bpf/core.c:1221) [<803c6318>] (bpf_jit_free) from [<803c7428>] (bpf_prog_free_deferred+0x140/0x158 kernel/bpf/core.c:2898) r5:8583d38c r4:84e4ab80 [<803c72e8>] (bpf_prog_free_deferred) from [<802785a0>] (process_one_work+0x1b4/0x4f4 kernel/workqueue.c:3263) r7:ddde3d80 r6:83018600 r5:8583d38c r4:84e4ab80 [<802783ec>] (process_one_work) from [<802791e8>] (process_scheduled_works kernel/workqueue.c:3346 [inline]) [<802783ec>] (process_one_work) from [<802791e8>] (worker_thread+0x1fc/0x3d8 kernel/workqueue.c:3427) r10:61c88647 r9:841a1800 r8:84e4abac r7:82804d40 r6:ddde3d80 r5:ddde3da0 r4:84e4ab80 [<80278fec>] (worker_thread) from [<8028020c>] (kthread+0x12c/0x280 kernel/kthread.c:463) r10:00000000 r9:84e4ab80 r8:80278fec r7:dfae1e60 r6:84e4a080 r5:841a1800 r4:00000001 [<802800e0>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137) Exception stack(0xdfaa5fb0 to 0xdfaa5ff8) 5fa0: 00000000 00000000 00000000 00000000 5fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 5fe0: 00000000 00000000 00000000 00000000 00000013 00000000 r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802800e0 r4:854fcbc0 Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings INFO: task kworker/0:131:4824 blocked for more than 431 seconds. Not tainted syzkaller #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:kworker/0:131 state:D stack:0 pid:4824 tgid:4824 ppid:2 task_flags:0x4208060 flags:0x00000000 Workqueue: events bpf_prog_free_deferred Call trace: [<81a643fc>] (__schedule) from [<81a65390>] (__schedule_loop kernel/sched/core.c:7011 [inline]) [<81a643fc>] (__schedule) from [<81a65390>] (schedule+0x2c/0x130 kernel/sched/core.c:7026) r10:ea72dd84 r9:00000002 r8:60000113 r7:829171a0 r6:ea72dd8c r5:85830c00 r4:85830c00 [<81a65364>] (schedule) from [<81a65778>] (schedule_preempt_disabled+0x18/0x24 kernel/sched/core.c:7083) r5:85830c00 r4:8291719c [<81a65760>] (schedule_preempt_disabled) from [<81a68328>] (__mutex_lock_common kernel/locking/mutex.c:676 [inline]) [<81a65760>] (schedule_preempt_disabled) from [<81a68328>] (__mutex_lock.constprop.0+0x350/0xa24 kernel/locking/mutex.c:760) [<81a67fd8>] (__mutex_lock.constprop.0) from [<81a68ad0>] (__mutex_lock_slowpath+0x14/0x18 kernel/locking/mutex.c:1049) r10:8280c960 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:ea72de08 r4:00000000 [<81a68abc>] (__mutex_lock_slowpath) from [<81a68b10>] (mutex_lock+0x3c/0x40 kernel/locking/mutex.c:274) [<81a68ad4>] (mutex_lock) from [<804ea30c>] (_vm_unmap_aliases+0x68/0x240 mm/vmalloc.c:2918) [<804ea2a4>] (_vm_unmap_aliases) from [<804ee0ec>] (vm_reset_perms mm/vmalloc.c:3349 [inline]) [<804ea2a4>] (_vm_unmap_aliases) from [<804ee0ec>] (vfree+0x16c/0x210 mm/vmalloc.c:3428) r10:83016170 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:856def40 r4:00000000 [<804edf80>] (vfree) from [<80559038>] (execmem_free+0x30/0x50 mm/execmem.c:503) r9:83018405 r8:85830c00 r7:00000000 r6:83018400 r5:00001000 r4:7f051000 [<80559008>] (execmem_free) from [<803c5fa0>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1052) r5:00001000 r4:eaa45000 [<803c5f90>] (bpf_jit_free_exec) from [<803c6380>] (bpf_jit_binary_free kernel/bpf/core.c:1098 [inline]) [<803c5f90>] (bpf_jit_free_exec) from [<803c6380>] (bpf_jit_free+0x68/0xe4 kernel/bpf/core.c:1221) [<803c6318>] (bpf_jit_free) from [<803c7428>] (bpf_prog_free_deferred+0x140/0x158 kernel/bpf/core.c:2898) r5:858d8b8c r4:84fe7380 [<803c72e8>] (bpf_prog_free_deferred) from [<802785a0>] (process_one_work+0x1b4/0x4f4 kernel/workqueue.c:3263) r7:dddcfd80 r6:83018400 r5:858d8b8c r4:84fe7380 [<802783ec>] (process_one_work) from [<802791e8>] (process_scheduled_works kernel/workqueue.c:3346 [inline]) [<802783ec>] (process_one_work) from [<802791e8>] (worker_thread+0x1fc/0x3d8 kernel/workqueue.c:3427) r10:61c88647 r9:85830c00 r8:84fe73ac r7:82804d40 r6:dddcfd80 r5:dddcfda0 r4:84fe7380 [<80278fec>] (worker_thread) from [<8028020c>] (kthread+0x12c/0x280 kernel/kthread.c:463) r10:00000000 r9:84fe7380 r8:80278fec r7:ea721e60 r6:85583180 r5:85830c00 r4:00000001 [<802800e0>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137) Exception stack(0xea72dfb0 to 0xea72dff8) dfa0: 00000000 00000000 00000000 00000000 dfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 dfe0: 00000000 00000000 00000000 00000000 00000013 00000000 r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802800e0 r4:856130c0 INFO: task kworker/0:131:4824 is blocked on a mutex likely owned by task kworker/1:48:4332. task:kworker/1:48 state:R running task stack:0 pid:4332 tgid:4332 ppid:2 task_flags:0x4208060 flags:0x00000000 Workqueue: events bpf_prog_free_deferred Call trace: [<81a643fc>] (__schedule) from [<81a657c4>] (preempt_schedule_irq+0x40/0xa8 kernel/sched/core.c:7256) r10:8280c9b4 r9:841a1800 r8:80200c04 r7:dfaa5d54 r6:ffffffff r5:841a1800 r4:00000000 [<81a65784>] (preempt_schedule_irq) from [<80200c24>] (svc_preempt+0x8/0x18) Exception stack(0xdfaa5d20 to 0xdfaa5d68) 5d20: ae18d000 ebc85000 00000001 80239bf8 7f00b000 00000001 82acb1c4 82aca5a0 5d40: 7f00b000 ebc85000 8280c9b4 dfaa5d9c dfaa5da0 dfaa5d70 80230af0 80239c10 5d60: 80000113 ffffffff r5:80000113 r4:80239c10 [<80230a8c>] (flush_tlb_kernel_range) from [<804ea0d0>] (__purge_vmap_area_lazy+0x284/0x458 mm/vmalloc.c:2342) r4:82acb1e4 [<804e9e4c>] (__purge_vmap_area_lazy) from [<804ea488>] (_vm_unmap_aliases+0x1e4/0x240 mm/vmalloc.c:2957) r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:dfaa5dc0 r5:dfaa5e08 r4:dfaa5dc0 [<804ea2a4>] (_vm_unmap_aliases) from [<804ee0ec>] (vm_reset_perms mm/vmalloc.c:3349 [inline]) [<804ea2a4>] (_vm_unmap_aliases) from [<804ee0ec>] (vfree+0x16c/0x210 mm/vmalloc.c:3428) r10:83016170 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:85603140 r4:00000000 [<804edf80>] (vfree) from [<80559038>] (execmem_free+0x30/0x50 mm/execmem.c:503) r9:83018605 r8:841a1800 r7:00000000 r6:83018600 r5:00001000 r4:7f03f000 [<80559008>] (execmem_free) from [<803c5fa0>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1052) r5:00001000 r4:e02bf000 [<803c5f90>] (bpf_jit_free_exec) from [<803c6380>] (bpf_jit_binary_free kernel/bpf/core.c:1098 [inline]) [<803c5f90>] (bpf_jit_free_exec) from [<803c6380>] (bpf_jit_free+0x68/0xe4 kernel/bpf/core.c:1221) [<803c6318>] (bpf_jit_free) from [<803c7428>] (bpf_prog_free_deferred+0x140/0x158 kernel/bpf/core.c:2898) r5:8583d38c r4:84e4ab80 [<803c72e8>] (bpf_prog_free_deferred) from [<802785a0>] (process_one_work+0x1b4/0x4f4 kernel/workqueue.c:3263) r7:ddde3d80 r6:83018600 r5:8583d38c r4:84e4ab80 [<802783ec>] (process_one_work) from [<802791e8>] (process_scheduled_works kernel/workqueue.c:3346 [inline]) [<802783ec>] (process_one_work) from [<802791e8>] (worker_thread+0x1fc/0x3d8 kernel/workqueue.c:3427) r10:61c88647 r9:841a1800 r8:84e4abac r7:82804d40 r6:ddde3d80 r5:ddde3da0 r4:84e4ab80 [<80278fec>] (worker_thread) from [<8028020c>] (kthread+0x12c/0x280 kernel/kthread.c:463) r10:00000000 r9:84e4ab80 r8:80278fec r7:dfae1e60 r6:84e4a080 r5:841a1800 r4:00000001 [<802800e0>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137) Exception stack(0xdfaa5fb0 to 0xdfaa5ff8) 5fa0: 00000000 00000000 00000000 00000000 5fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 5fe0: 00000000 00000000 00000000 00000000 00000013 00000000 r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802800e0 r4:854fcbc0 Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings INFO: task kworker/0:133:4830 blocked for more than 431 seconds. Not tainted syzkaller #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:kworker/0:133 state:D stack:0 pid:4830 tgid:4830 ppid:2 task_flags:0x4208060 flags:0x00000000 Workqueue: events bpf_prog_free_deferred Call trace: [<81a643fc>] (__schedule) from [<81a65390>] (__schedule_loop kernel/sched/core.c:7011 [inline]) [<81a643fc>] (__schedule) from [<81a65390>] (schedule+0x2c/0x130 kernel/sched/core.c:7026) r10:ea799d84 r9:00000002 r8:60000113 r7:829171a0 r6:ea799d8c r5:84f4ec00 r4:84f4ec00 [<81a65364>] (schedule) from [<81a65778>] (schedule_preempt_disabled+0x18/0x24 kernel/sched/core.c:7083) r5:84f4ec00 r4:8291719c [<81a65760>] (schedule_preempt_disabled) from [<81a68328>] (__mutex_lock_common kernel/locking/mutex.c:676 [inline]) [<81a65760>] (schedule_preempt_disabled) from [<81a68328>] (__mutex_lock.constprop.0+0x350/0xa24 kernel/locking/mutex.c:760) [<81a67fd8>] (__mutex_lock.constprop.0) from [<81a68ad0>] (__mutex_lock_slowpath+0x14/0x18 kernel/locking/mutex.c:1049) r10:8280c960 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:ea799e08 r4:00000000 [<81a68abc>] (__mutex_lock_slowpath) from [<81a68b10>] (mutex_lock+0x3c/0x40 kernel/locking/mutex.c:274) [<81a68ad4>] (mutex_lock) from [<804ea30c>] (_vm_unmap_aliases+0x68/0x240 mm/vmalloc.c:2918) [<804ea2a4>] (_vm_unmap_aliases) from [<804ee0ec>] (vm_reset_perms mm/vmalloc.c:3349 [inline]) [<804ea2a4>] (_vm_unmap_aliases) from [<804ee0ec>] (vfree+0x16c/0x210 mm/vmalloc.c:3428) r10:83016170 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:84fe57c0 r4:00000000 [<804edf80>] (vfree) from [<80559038>] (execmem_free+0x30/0x50 mm/execmem.c:503) r9:83018405 r8:84f4ec00 r7:00000000 r6:83018400 r5:00001000 r4:7f055000 [<80559008>] (execmem_free) from [<803c5fa0>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1052) r5:00001000 r4:eabe9000 [<803c5f90>] (bpf_jit_free_exec) from [<803c6380>] (bpf_jit_binary_free kernel/bpf/core.c:1098 [inline]) [<803c5f90>] (bpf_jit_free_exec) from [<803c6380>] (bpf_jit_free+0x68/0xe4 kernel/bpf/core.c:1221) [<803c6318>] (bpf_jit_free) from [<803c7428>] (bpf_prog_free_deferred+0x140/0x158 kernel/bpf/core.c:2898) r5:85579f8c r4:84fe7600 [<803c72e8>] (bpf_prog_free_deferred) from [<802785a0>] (process_one_work+0x1b4/0x4f4 kernel/workqueue.c:3263) r7:dddcfd80 r6:83018400 r5:85579f8c r4:84fe7600 [<802783ec>] (process_one_work) from [<802791e8>] (process_scheduled_works kernel/workqueue.c:3346 [inline]) [<802783ec>] (process_one_work) from [<802791e8>] (worker_thread+0x1fc/0x3d8 kernel/workqueue.c:3427) r10:61c88647 r9:84f4ec00 r8:84fe762c r7:82804d40 r6:dddcfd80 r5:dddcfda0 r4:84fe7600 [<80278fec>] (worker_thread) from [<8028020c>] (kthread+0x12c/0x280 kernel/kthread.c:463) r10:00000000 r9:84fe7600 r8:80278fec r7:ea6f5e60 r6:84fe7680 r5:84f4ec00 r4:00000001 [<802800e0>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137) Exception stack(0xea799fb0 to 0xea799ff8) 9fa0: 00000000 00000000 00000000 00000000 9fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 9fe0: 00000000 00000000 00000000 00000000 00000013 00000000 r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802800e0 r4:85613d00 INFO: task kworker/0:133:4830 is blocked on a mutex likely owned by task kworker/1:48:4332. task:kworker/1:48 state:R running task stack:0 pid:4332 tgid:4332 ppid:2 task_flags:0x4208060 flags:0x00000000 Workqueue: events bpf_prog_free_deferred Call trace: [<81a643fc>] (__schedule) from [<81a657c4>] (preempt_schedule_irq+0x40/0xa8 kernel/sched/core.c:7256) r10:8280c9b4 r9:841a1800 r8:80200c04 r7:dfaa5d54 r6:ffffffff r5:841a1800 r4:00000000 [<81a65784>] (preempt_schedule_irq) from [<80200c24>] (svc_preempt+0x8/0x18) Exception stack(0xdfaa5d20 to 0xdfaa5d68) 5d20: ae18d000 ebc85000 00000001 80239bf8 7f00b000 00000001 82acb1c4 82aca5a0 5d40: 7f00b000 ebc85000 8280c9b4 dfaa5d9c dfaa5da0 dfaa5d70 80230af0 80239c10 5d60: 80000113 ffffffff r5:80000113 r4:80239c10 [<80230a8c>] (flush_tlb_kernel_range) from [<804ea0d0>] (__purge_vmap_area_lazy+0x284/0x458 mm/vmalloc.c:2342) r4:82acb1e4 [<804e9e4c>] (__purge_vmap_area_lazy) from [<804ea488>] (_vm_unmap_aliases+0x1e4/0x240 mm/vmalloc.c:2957) r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:dfaa5dc0 r5:dfaa5e08 r4:dfaa5dc0 [<804ea2a4>] (_vm_unmap_aliases) from [<804ee0ec>] (vm_reset_perms mm/vmalloc.c:3349 [inline]) [<804ea2a4>] (_vm_unmap_aliases) from [<804ee0ec>] (vfree+0x16c/0x210 mm/vmalloc.c:3428) r10:83016170 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:85603140 r4:00000000 [<804edf80>] (vfree) from [<80559038>] (execmem_free+0x30/0x50 mm/execmem.c:503) r9:83018605 r8:841a1800 r7:00000000 r6:83018600 r5:00001000 r4:7f03f000 [<80559008>] (execmem_free) from [<803c5fa0>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1052) r5:00001000 r4:e02bf000 [<803c5f90>] (bpf_jit_free_exec) from [<803c6380>] (bpf_jit_binary_free kernel/bpf/core.c:1098 [inline]) [<803c5f90>] (bpf_jit_free_exec) from [<803c6380>] (bpf_jit_free+0x68/0xe4 kernel/bpf/core.c:1221) [<803c6318>] (bpf_jit_free) from [<803c7428>] (bpf_prog_free_deferred+0x140/0x158 kernel/bpf/core.c:2898) r5:8583d38c r4:84e4ab80 [<803c72e8>] (bpf_prog_free_deferred) from [<802785a0>] (process_one_work+0x1b4/0x4f4 kernel/workqueue.c:3263) r7:ddde3d80 r6:83018600 r5:8583d38c r4:84e4ab80 [<802783ec>] (process_one_work) from [<802791e8>] (process_scheduled_works kernel/workqueue.c:3346 [inline]) [<802783ec>] (process_one_work) from [<802791e8>] (worker_thread+0x1fc/0x3d8 kernel/workqueue.c:3427) r10:61c88647 r9:841a1800 r8:84e4abac r7:82804d40 r6:ddde3d80 r5:ddde3da0 r4:84e4ab80 [<80278fec>] (worker_thread) from [<8028020c>] (kthread+0x12c/0x280 kernel/kthread.c:463) r10:00000000 r9:84e4ab80 r8:80278fec r7:dfae1e60 r6:84e4a080 r5:841a1800 r4:00000001 [<802800e0>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137) Exception stack(0xdfaa5fb0 to 0xdfaa5ff8) 5fa0: 00000000 00000000 00000000 00000000 5fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 5fe0: 00000000 00000000 00000000 00000000 00000013 00000000 r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802800e0 r4:854fcbc0 Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings NMI backtrace for cpu 0 CPU: 0 UID: 0 PID: 30 Comm: khungtaskd Not tainted syzkaller #0 PREEMPT Hardware name: ARM-Versatile Express Call trace: [<80201a24>] (dump_backtrace) from [<80201b20>] (show_stack+0x18/0x1c arch/arm/kernel/traps.c:257) r7:00000000 r6:00000013 r5:60000093 r4:82252738 [<80201b08>] (show_stack) from [<8021f8f8>] (__dump_stack lib/dump_stack.c:94 [inline]) [<80201b08>] (show_stack) from [<8021f8f8>] (dump_stack_lvl+0x70/0x7c lib/dump_stack.c:120) [<8021f888>] (dump_stack_lvl) from [<8021f91c>] (dump_stack+0x18/0x1c lib/dump_stack.c:129) r5:00000000 r4:00000001 [<8021f904>] (dump_stack) from [<81a4e014>] (nmi_cpu_backtrace+0x160/0x17c lib/nmi_backtrace.c:113) [<81a4deb4>] (nmi_cpu_backtrace) from [<81a4e160>] (nmi_trigger_cpumask_backtrace+0x130/0x1d8 lib/nmi_backtrace.c:62) r7:00000000 r6:8280c690 r5:8281ae34 r4:ffffffff [<81a4e030>] (nmi_trigger_cpumask_backtrace) from [<802304fc>] (arch_trigger_cpumask_backtrace+0x18/0x1c arch/arm/kernel/smp.c:852) r9:8281ba28 r8:8280c810 r7:0002ee2a r6:00007b94 r5:82abf7d4 r4:85d5ff0c [<802304e4>] (arch_trigger_cpumask_backtrace) from [<8037faf8>] (trigger_all_cpu_backtrace include/linux/nmi.h:160 [inline]) [<802304e4>] (arch_trigger_cpumask_backtrace) from [<8037faf8>] (check_hung_uninterruptible_tasks kernel/hung_task.c:332 [inline]) [<802304e4>] (arch_trigger_cpumask_backtrace) from [<8037faf8>] (watchdog+0x5d0/0x850 kernel/hung_task.c:495) [<8037f528>] (watchdog) from [<8028020c>] (kthread+0x12c/0x280 kernel/kthread.c:463) r10:00000000 r9:00000000 r8:8037f528 r7:830d6a80 r6:830d6a80 r5:8321c800 r4:00000001 [<802800e0>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137) Exception stack(0xdf8d9fb0 to 0xdf8d9ff8) 9fa0: 00000000 00000000 00000000 00000000 9fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 9fe0: 00000000 00000000 00000000 00000000 00000013 00000000 r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802800e0 r4:833cd6c0 Sending NMI from CPU 0 to CPUs 1: NMI backtrace for cpu 1 CPU: 1 UID: 0 PID: 2819 Comm: pr/ttyAMA-1 Not tainted syzkaller #0 PREEMPT Hardware name: ARM-Versatile Express PC is at __raw_spin_unlock_irqrestore include/linux/spinlock_api_smp.h:152 [inline] PC is at _raw_spin_unlock_irqrestore+0x28/0x54 kernel/locking/spinlock.c:194 LR is at spin_unlock_irqrestore include/linux/spinlock.h:406 [inline] LR is at __uart_port_unlock_irqrestore include/linux/serial_core.h:616 [inline] LR is at pl011_console_device_unlock+0x20/0x24 drivers/tty/serial/amba-pl011.c:2603 pc : [<81a6e264>] lr : [<80a8f568>] psr: 60000113 sp : eb001eb0 ip : eb001ec0 fp : eb001ebc r10: 82959594 r9 : 00000001 r8 : 00000000 r7 : 00000117 r6 : 829594f8 r5 : 00000000 r4 : 00000001 r3 : 00000c37 r2 : 00000000 r1 : 60000113 r0 : 84073440 Flags: nZCv IRQs on FIQs on Mode SVC_32 ISA ARM Segment none Control: 30c5387d Table: 84daa440 DAC: 00000000 Call trace: [<81a6e23c>] (_raw_spin_unlock_irqrestore) from [<80a8f568>] (spin_unlock_irqrestore include/linux/spinlock.h:406 [inline]) [<81a6e23c>] (_raw_spin_unlock_irqrestore) from [<80a8f568>] (__uart_port_unlock_irqrestore include/linux/serial_core.h:616 [inline]) [<81a6e23c>] (_raw_spin_unlock_irqrestore) from [<80a8f568>] (pl011_console_device_unlock+0x20/0x24 drivers/tty/serial/amba-pl011.c:2603) [<80a8f548>] (pl011_console_device_unlock) from [<802e3750>] (nbcon_emit_one+0x88/0x100 kernel/printk/nbcon.c:1142) [<802e36c8>] (nbcon_emit_one) from [<802e3970>] (nbcon_kthread_func+0x1a8/0x2a4 kernel/printk/nbcon.c:1229) r6:8280c690 r5:83b14800 r4:829594f8 [<802e37c8>] (nbcon_kthread_func) from [<8028020c>] (kthread+0x12c/0x280 kernel/kthread.c:463) r10:00000000 r9:829594f8 r8:802e37c8 r7:844e1b80 r6:844e1b80 r5:83b14800 r4:00000001 [<802800e0>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137) Exception stack(0xeb001fb0 to 0xeb001ff8) 1fa0: 00000000 00000000 00000000 00000000 1fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 1fe0: 00000000 00000000 00000000 00000000 00000013 00000000 r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802800e0 r4:848b2dc0