./strace-static-x86_64 -e \!wait4,clock_nanosleep,nanosleep -s 100 -x -f ./syz-executor235309308 <...> Warning: Permanently added '10.128.0.238' (ECDSA) to the list of known hosts. execve("./syz-executor235309308", ["./syz-executor235309308"], 0x7fffd61f4ab0 /* 10 vars */) = 0 brk(NULL) = 0x555555bf3000 brk(0x555555bf3c40) = 0x555555bf3c40 arch_prctl(ARCH_SET_FS, 0x555555bf3300) = 0 uname({sysname="Linux", nodename="syzkaller", ...}) = 0 readlink("/proc/self/exe", "/root/syz-executor235309308", 4096) = 27 brk(0x555555c14c40) = 0x555555c14c40 brk(0x555555c15000) = 0x555555c15000 mprotect(0x7f3e5b432000, 16384, PROT_READ) = 0 mmap(0x1ffff000, 4096, PROT_NONE, MAP_PRIVATE|MAP_FIXED|MAP_ANONYMOUS, -1, 0) = 0x1ffff000 mmap(0x20000000, 16777216, PROT_READ|PROT_WRITE|PROT_EXEC, MAP_PRIVATE|MAP_FIXED|MAP_ANONYMOUS, -1, 0) = 0x20000000 mmap(0x21000000, 4096, PROT_NONE, MAP_PRIVATE|MAP_FIXED|MAP_ANONYMOUS, -1, 0) = 0x21000000 unshare(CLONE_NEWPID) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 3622 attached , child_tidptr=0x555555bf35d0) = 3622 [pid 3622] mount(NULL, "/sys/fs/fuse/connections", "fusectl", 0, NULL) = -1 EBUSY (Device or resource busy) [pid 3622] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 3622] setsid() = 1 [pid 3622] prlimit64(0, RLIMIT_AS, {rlim_cur=204800*1024, rlim_max=204800*1024}, NULL) = 0 [pid 3622] prlimit64(0, RLIMIT_MEMLOCK, {rlim_cur=32768*1024, rlim_max=32768*1024}, NULL) = 0 [pid 3622] prlimit64(0, RLIMIT_FSIZE, {rlim_cur=139264*1024, rlim_max=139264*1024}, NULL) = 0 [pid 3622] prlimit64(0, RLIMIT_STACK, {rlim_cur=1024*1024, rlim_max=1024*1024}, NULL) = 0 [pid 3622] prlimit64(0, RLIMIT_CORE, {rlim_cur=0, rlim_max=0}, NULL) = 0 [pid 3622] prlimit64(0, RLIMIT_NOFILE, {rlim_cur=256, rlim_max=256}, NULL) = 0 [pid 3622] unshare(CLONE_NEWNS) = 0 [pid 3622] mount(NULL, "/", NULL, MS_REC|MS_PRIVATE, NULL) = 0 [pid 3622] unshare(CLONE_NEWIPC) = 0 [pid 3622] unshare(CLONE_NEWCGROUP) = 0 [pid 3622] unshare(CLONE_NEWUTS) = 0 [pid 3622] unshare(CLONE_SYSVSEM) = 0 [pid 3622] openat(AT_FDCWD, "/proc/sys/kernel/shmmax", O_WRONLY|O_CLOEXEC) = 3 [pid 3622] write(3, "16777216", 8) = 8 [pid 3622] close(3) = 0 [pid 3622] openat(AT_FDCWD, "/proc/sys/kernel/shmall", O_WRONLY|O_CLOEXEC) = 3 [pid 3622] write(3, "536870912", 9) = 9 [pid 3622] close(3) = 0 [pid 3622] openat(AT_FDCWD, "/proc/sys/kernel/shmmni", O_WRONLY|O_CLOEXEC) = 3 [pid 3622] write(3, "1024", 4) = 4 [pid 3622] close(3) = 0 [pid 3622] openat(AT_FDCWD, "/proc/sys/kernel/msgmax", O_WRONLY|O_CLOEXEC) = 3 [pid 3622] write(3, "8192", 4) = 4 [pid 3622] close(3) = 0 [pid 3622] openat(AT_FDCWD, "/proc/sys/kernel/msgmni", O_WRONLY|O_CLOEXEC) = 3 [pid 3622] write(3, "1024", 4) = 4 [pid 3622] close(3) = 0 [pid 3622] openat(AT_FDCWD, "/proc/sys/kernel/msgmnb", O_WRONLY|O_CLOEXEC) = 3 [pid 3622] write(3, "1024", 4) = 4 [pid 3622] close(3) = 0 [pid 3622] openat(AT_FDCWD, "/proc/sys/kernel/sem", O_WRONLY|O_CLOEXEC) = 3 [pid 3622] write(3, "1024 1048576 500 1024", 21) = 21 [pid 3622] close(3) = 0 [pid 3622] getpid() = 1 [pid 3622] capget({version=_LINUX_CAPABILITY_VERSION_3, pid=1}, {effective=1< 2]) = 0 [ 52.262970][ T3638] device bond_slave_0 entered promiscuous mode [ 52.269320][ T3638] device bond_slave_1 entered promiscuous mode [ 52.276969][ T3638] device macvlan2 entered promiscuous mode [ 52.282900][ T3638] device bond0 entered promiscuous mode [ 52.289921][ T3638] 8021q: adding VLAN 0 to HW filter on device macvlan2 [ 52.296968][ T3638] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan2: link becomes ready [ 52.305599][ T3638] batman_adv: batadv0: Adding interface: macvlan2 [ 52.312180][ T3638] batman_adv: batadv0: The MTU of interface macvlan2 is too small (0) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1560 would solve the problem. [ 52.338089][ T3638] batman_adv: batadv0: Interface activated: macvlan2 [ 52.346670][ T3638] batman_adv: batadv0: Forced to purge local tt entries to fit new maximum fragment MTU (-320) [ 52.359406][ T3638] batman_adv: batadv0: Forced to purge local tt entries to fit new maximum fragment MTU (-320) [ 52.371134][ T3638] batman_adv: batadv0: Forced to purge local tt entries to fit new maximum fragment MTU (-320) [ 52.383022][ T3638] batman_adv: batadv0: Forced to purge local tt entries to fit new maximum fragment MTU (-320) [ 52.394726][ T3638] batman_adv: batadv0: Forced to purge local tt entries to fit new maximum fragment MTU (-320) [ 52.406612][ T3638] batman_adv: batadv0: Forced to purge local tt entries to fit new maximum fragment MTU (-320) [ 52.418303][ T3638] batman_adv: batadv0: Forced to purge local tt entries to fit new maximum fragment MTU (-320) [ 52.430228][ T3638] batman_adv: batadv0: Forced to purge local tt entries to fit new maximum fragment MTU (-320) [ 52.441925][ T3638] batman_adv: batadv0: Forced to purge local tt entries to fit new maximum fragment MTU (-320) [ 52.453853][ T3638] batman_adv: batadv0: Forced to purge local tt entries to fit new maximum fragment MTU (-320) [ 57.348683][ T3638] net_ratelimit: 4240 callbacks suppressed [ 57.348701][ T3638] batman_adv: batadv0: Forced to purge local tt entries to fit new maximum fragment MTU (-320) [ 57.366182][ T3638] batman_adv: batadv0: Forced to purge local tt entries to fit new maximum fragment MTU (-320) [ 57.377658][ T3638] batman_adv: batadv0: Forced to purge local tt entries to fit new maximum fragment MTU (-320) [ 57.389332][ T3638] batman_adv: batadv0: Forced to purge local tt entries to fit new maximum fragment MTU (-320) [ 57.400778][ T3638] batman_adv: batadv0: Forced to purge local tt entries to fit new maximum fragment MTU (-320) [ 57.412243][ T3638] batman_adv: batadv0: Forced to purge local tt entries to fit new maximum fragment MTU (-320) [ 57.423684][ T3638] batman_adv: batadv0: Forced to purge local tt entries to fit new maximum fragment MTU (-320) [ 57.435122][ T3638] batman_adv: batadv0: Forced to purge local tt entries to fit new maximum fragment MTU (-320) [ 57.446561][ T3638] batman_adv: batadv0: Forced to purge local tt entries to fit new maximum fragment MTU (-320) [ 57.457998][ T3638] batman_adv: batadv0: Forced to purge local tt entries to fit new maximum fragment MTU (-320) [ 62.359069][ T3638] net_ratelimit: 4271 callbacks suppressed [ 62.359087][ T3638] batman_adv: batadv0: Forced to purge local tt entries to fit new maximum fragment MTU (-320) [ 62.376402][ T3638] batman_adv: batadv0: Forced to purge local tt entries to fit new maximum fragment MTU (-320) [ 62.387924][ T3638] batman_adv: batadv0: Forced to purge local tt entries to fit new maximum fragment MTU (-320) [ 62.399608][ T3638] batman_adv: batadv0: Forced to purge local tt entries to fit new maximum fragment MTU (-320) [ 62.411092][ T3638] batman_adv: batadv0: Forced to purge local tt entries to fit new maximum fragment MTU (-320) [ 62.422553][ T3638] batman_adv: batadv0: Forced to purge local tt entries to fit new maximum fragment MTU (-320) [ 62.434001][ T3638] batman_adv: batadv0: Forced to purge local tt entries to fit new maximum fragment MTU (-320) [ 62.445460][ T3638] batman_adv: batadv0: Forced to purge local tt entries to fit new maximum fragment MTU (-320) [ 62.456903][ T3638] batman_adv: batadv0: Forced to purge local tt entries to fit new maximum fragment MTU (-320) [ 62.468345][ T3638] batman_adv: batadv0: Forced to purge local tt entries to fit new maximum fragment MTU (-320) [ 67.369268][ T3638] net_ratelimit: 4268 callbacks suppressed [ 67.369287][ T3638] batman_adv: batadv0: Forced to purge local tt entries to fit new maximum fragment MTU (-320) [ 67.386576][ T3638] batman_adv: batadv0: Forced to purge local tt entries to fit new maximum fragment MTU (-320) [ 67.398023][ T3638] batman_adv: batadv0: Forced to purge local tt entries to fit new maximum fragment MTU (-320) [ 67.409870][ T3638] batman_adv: batadv0: Forced to purge local tt entries to fit new maximum fragment MTU (-320) [ 67.421322][ T3638] batman_adv: batadv0: Forced to purge local tt entries to fit new maximum fragment MTU (-320) [ 67.432795][ T3638] batman_adv: batadv0: Forced to purge local tt entries to fit new maximum fragment MTU (-320) [ 67.444238][ T3638] batman_adv: batadv0: Forced to purge local tt entries to fit new maximum fragment MTU (-320) [ 67.455685][ T3638] batman_adv: batadv0: Forced to purge local tt entries to fit new maximum fragment MTU (-320) [ 67.467145][ T3638] batman_adv: batadv0: Forced to purge local tt entries to fit new maximum fragment MTU (-320) [ 67.478656][ T3638] batman_adv: batadv0: Forced to purge local tt entries to fit new maximum fragment MTU (-320) [ 72.379860][ T3638] net_ratelimit: 4274 callbacks suppressed [ 72.379874][ T3638] batman_adv: batadv0: Forced to purge local tt entries to fit new maximum fragment MTU (-320) [ 72.397396][ T3638] batman_adv: batadv0: Forced to purge local tt entries to fit new maximum fragment MTU (-320) [ 72.409084][ T3638] batman_adv: batadv0: Forced to purge local tt entries to fit new maximum fragment MTU (-320) [ 72.420604][ T3638] batman_adv: batadv0: Forced to purge local tt entries to fit new maximum fragment MTU (-320) [ 72.432080][ T3638] batman_adv: batadv0: Forced to purge local tt entries to fit new maximum fragment MTU (-320) [ 72.443536][ T3638] batman_adv: batadv0: Forced to purge local tt entries to fit new maximum fragment MTU (-320) [ 72.454988][ T3638] batman_adv: batadv0: Forced to purge local tt entries to fit new maximum fragment MTU (-320) [ 72.466435][ T3638] batman_adv: batadv0: Forced to purge local tt entries to fit new maximum fragment MTU (-320) [ 72.477875][ T3638] batman_adv: batadv0: Forced to purge local tt entries to fit new maximum fragment MTU (-320) [ 72.489584][ T3638] batman_adv: batadv0: Forced to purge local tt entries to fit new maximum fragment MTU (-320) [ 77.389446][ T3638] net_ratelimit: 4265 callbacks suppressed [ 77.389460][ T3638] batman_adv: batadv0: Forced to purge local tt entries to fit new maximum fragment MTU (-320) [ 77.406748][ T3638] batman_adv: batadv0: Forced to purge local tt entries to fit new maximum fragment MTU (-320) [ 77.418221][ T3638] batman_adv: batadv0: Forced to purge local tt entries to fit new maximum fragment MTU (-320) [ 77.429894][ T3638] batman_adv: batadv0: Forced to purge local tt entries to fit new maximum fragment MTU (-320) [ 77.441352][ T3638] batman_adv: batadv0: Forced to purge local tt entries to fit new maximum fragment MTU (-320) [ 77.452802][ T3638] batman_adv: batadv0: Forced to purge local tt entries to fit new maximum fragment MTU (-320) [ 77.464338][ T3638] batman_adv: batadv0: Forced to purge local tt entries to fit new maximum fragment MTU (-320) [ 77.475804][ T3638] batman_adv: batadv0: Forced to purge local tt entries to fit new maximum fragment MTU (-320) [ 77.487261][ T3638] batman_adv: batadv0: Forced to purge local tt entries to fit new maximum fragment MTU (-320) [ 77.498827][ T3638] batman_adv: batadv0: Forced to purge local tt entries to fit new maximum fragment MTU (-320) [ 82.399238][ T3638] net_ratelimit: 4274 callbacks suppressed [ 82.399256][ T3638] batman_adv: batadv0: Forced to purge local tt entries to fit new maximum fragment MTU (-320) [ 82.416625][ T3638] batman_adv: batadv0: Forced to purge local tt entries to fit new maximum fragment MTU (-320) [ 82.428122][ T3638] batman_adv: batadv0: Forced to purge local tt entries to fit new maximum fragment MTU (-320) [ 82.439813][ T3638] batman_adv: batadv0: Forced to purge local tt entries to fit new maximum fragment MTU (-320) [ 82.451285][ T3638] batman_adv: batadv0: Forced to purge local tt entries to fit new maximum fragment MTU (-320) [ 82.462748][ T3638] batman_adv: batadv0: Forced to purge local tt entries to fit new maximum fragment MTU (-320) [ 82.474199][ T3638] batman_adv: batadv0: Forced to purge local tt entries to fit new maximum fragment MTU (-320) [ 82.485652][ T3638] batman_adv: batadv0: Forced to purge local tt entries to fit new maximum fragment MTU (-320) [ 82.497092][ T3638] batman_adv: batadv0: Forced to purge local tt entries to fit new maximum fragment MTU (-320) [ 82.508659][ T3638] batman_adv: batadv0: Forced to purge local tt entries to fit new maximum fragment MTU (-320) [ 87.408786][ T3638] net_ratelimit: 4272 callbacks suppressed [ 87.408804][ T3638] batman_adv: batadv0: Forced to purge local tt entries to fit new maximum fragment MTU (-320) [ 87.426088][ T3638] batman_adv: batadv0: Forced to purge local tt entries to fit new maximum fragment MTU (-320) [ 87.437532][ T3638] batman_adv: batadv0: Forced to purge local tt entries to fit new maximum fragment MTU (-320) [ 87.449192][ T3638] batman_adv: batadv0: Forced to purge local tt entries to fit new maximum fragment MTU (-320) [ 87.460651][ T3638] batman_adv: batadv0: Forced to purge local tt entries to fit new maximum fragment MTU (-320) [ 87.472131][ T3638] batman_adv: batadv0: Forced to purge local tt entries to fit new maximum fragment MTU (-320) [ 87.483576][ T3638] batman_adv: batadv0: Forced to purge local tt entries to fit new maximum fragment MTU (-320) [ 87.495014][ T3638] batman_adv: batadv0: Forced to purge local tt entries to fit new maximum fragment MTU (-320) [ 87.506487][ T3638] batman_adv: batadv0: Forced to purge local tt entries to fit new maximum fragment MTU (-320) [ 87.517926][ T3638] batman_adv: batadv0: Forced to purge local tt entries to fit new maximum fragment MTU (-320) [ 92.419100][ T3638] net_ratelimit: 4272 callbacks suppressed [ 92.419118][ T3638] batman_adv: batadv0: Forced to purge local tt entries to fit new maximum fragment MTU (-320) [ 92.436424][ T3638] batman_adv: batadv0: Forced to purge local tt entries to fit new maximum fragment MTU (-320) [ 92.447899][ T3638] batman_adv: batadv0: Forced to purge local tt entries to fit new maximum fragment MTU (-320) [ 92.459579][ T3638] batman_adv: batadv0: Forced to purge local tt entries to fit new maximum fragment MTU (-320) [ 92.471137][ T3638] batman_adv: batadv0: Forced to purge local tt entries to fit new maximum fragment MTU (-320) [ 92.482630][ T3638] batman_adv: batadv0: Forced to purge local tt entries to fit new maximum fragment MTU (-320) [ 92.494087][ T3638] batman_adv: batadv0: Forced to purge local tt entries to fit new maximum fragment MTU (-320) [ 92.505543][ T3638] batman_adv: batadv0: Forced to purge local tt entries to fit new maximum fragment MTU (-320) [ 92.516995][ T3638] batman_adv: batadv0: Forced to purge local tt entries to fit new maximum fragment MTU (-320) [ 92.529272][ T3638] batman_adv: batadv0: Forced to purge local tt entries to fit new maximum fragment MTU (-320) [ 97.429460][ T3638] net_ratelimit: 4256 callbacks suppressed [ 97.429475][ T3638] batman_adv: batadv0: Forced to purge local tt entries to fit new maximum fragment MTU (-320) [ 97.446809][ T3638] batman_adv: batadv0: Forced to purge local tt entries to fit new maximum fragment MTU (-320) [ 97.458310][ T3638] batman_adv: batadv0: Forced to purge local tt entries to fit new maximum fragment MTU (-320) [ 97.469954][ T3638] batman_adv: batadv0: Forced to purge local tt entries to fit new maximum fragment MTU (-320) [ 97.481410][ T3638] batman_adv: batadv0: Forced to purge local tt entries to fit new maximum fragment MTU (-320) [ 97.492904][ T3638] batman_adv: batadv0: Forced to purge local tt entries to fit new maximum fragment MTU (-320) [ 97.504372][ T3638] batman_adv: batadv0: Forced to purge local tt entries to fit new maximum fragment MTU (-320) [ 97.515827][ T3638] batman_adv: batadv0: Forced to purge local tt entries to fit new maximum fragment MTU (-320) [ 97.527299][ T3638] batman_adv: batadv0: Forced to purge local tt entries to fit new maximum fragment MTU (-320) [ 97.538879][ T3638] batman_adv: batadv0: Forced to purge local tt entries to fit new maximum fragment MTU (-320) [ 102.439595][ T3638] net_ratelimit: 4252 callbacks suppressed [ 102.439639][ T3638] batman_adv: batadv0: Forced to purge local tt entries to fit new maximum fragment MTU (-320) [ 102.456957][ T3638] batman_adv: batadv0: Forced to purge local tt entries to fit new maximum fragment MTU (-320) [ 102.468408][ T3638] batman_adv: batadv0: Forced to purge local tt entries to fit new maximum fragment MTU (-320) [ 102.480005][ T3638] batman_adv: batadv0: Forced to purge local tt entries to fit new maximum fragment MTU (-320) [ 102.492348][ T3638] batman_adv: batadv0: Forced to purge local tt entries to fit new maximum fragment MTU (-320) [ 102.503836][ T3638] batman_adv: batadv0: Forced to purge local tt entries to fit new maximum fragment MTU (-320) [ 102.515347][ T3638] batman_adv: batadv0: Forced to purge local tt entries to fit new maximum fragment MTU (-320) [ 102.526841][ T3638] batman_adv: batadv0: Forced to purge local tt entries to fit new maximum fragment MTU (-320) [ 102.538371][ T3638] batman_adv: batadv0: Forced to purge local tt entries to fit new maximum fragment MTU (-320) [ 102.549980][ T3638] batman_adv: batadv0: Forced to purge local tt entries to fit new maximum fragment MTU (-320) [ 107.448747][ T3638] net_ratelimit: 4256 callbacks suppressed [ 107.448765][ T3638] batman_adv: batadv0: Forced to purge local tt entries to fit new maximum fragment MTU (-320) [ 107.466122][ T3638] batman_adv: batadv0: Forced to purge local tt entries to fit new maximum fragment MTU (-320) [ 107.477565][ T3638] batman_adv: batadv0: Forced to purge local tt entries to fit new maximum fragment MTU (-320) [ 107.489219][ T3638] batman_adv: batadv0: Forced to purge local tt entries to fit new maximum fragment MTU (-320) [ 107.500673][ T3638] batman_adv: batadv0: Forced to purge local tt entries to fit new maximum fragment MTU (-320) [ 107.512116][ T3638] batman_adv: batadv0: Forced to purge local tt entries to fit new maximum fragment MTU (-320) [ 107.523587][ T3638] batman_adv: batadv0: Forced to purge local tt entries to fit new maximum fragment MTU (-320) [ 107.535041][ T3638] batman_adv: batadv0: Forced to purge local tt entries to fit new maximum fragment MTU (-320) [ 107.546487][ T3638] batman_adv: batadv0: Forced to purge local tt entries to fit new maximum fragment MTU (-320) [ 107.557929][ T3638] batman_adv: batadv0: Forced to purge local tt entries to fit new maximum fragment MTU (-320) [ 112.459352][ T3638] net_ratelimit: 4252 callbacks suppressed [ 112.459366][ T3638] batman_adv: batadv0: Forced to purge local tt entries to fit new maximum fragment MTU (-320) [ 112.476631][ T3638] batman_adv: batadv0: Forced to purge local tt entries to fit new maximum fragment MTU (-320) [ 112.488090][ T3638] batman_adv: batadv0: Forced to purge local tt entries to fit new maximum fragment MTU (-320) [ 112.499807][ T3638] batman_adv: batadv0: Forced to purge local tt entries to fit new maximum fragment MTU (-320) [ 112.511254][ T3638] batman_adv: batadv0: Forced to purge local tt entries to fit new maximum fragment MTU (-320) [ 112.522695][ T3638] batman_adv: batadv0: Forced to purge local tt entries to fit new maximum fragment MTU (-320) [ 112.534136][ T3638] batman_adv: batadv0: Forced to purge local tt entries to fit new maximum fragment MTU (-320) [ 112.545594][ T3638] batman_adv: batadv0: Forced to purge local tt entries to fit new maximum fragment MTU (-320) [ 112.557035][ T3638] batman_adv: batadv0: Forced to purge local tt entries to fit new maximum fragment MTU (-320) [ 112.568479][ T3638] batman_adv: batadv0: Forced to purge local tt entries to fit new maximum fragment MTU (-320) [ 117.469520][ T3638] net_ratelimit: 4265 callbacks suppressed [ 117.469534][ T3638] batman_adv: batadv0: Forced to purge local tt entries to fit new maximum fragment MTU (-320) [ 117.486816][ T3638] batman_adv: batadv0: Forced to purge local tt entries to fit new maximum fragment MTU (-320) [ 117.498259][ T3638] batman_adv: batadv0: Forced to purge local tt entries to fit new maximum fragment MTU (-320) [ 117.509904][ T3638] batman_adv: batadv0: Forced to purge local tt entries to fit new maximum fragment MTU (-320) [ 117.521350][ T3638] batman_adv: batadv0: Forced to purge local tt entries to fit new maximum fragment MTU (-320) [ 117.532791][ T3638] batman_adv: batadv0: Forced to purge local tt entries to fit new maximum fragment MTU (-320) [ 117.544237][ T3638] batman_adv: batadv0: Forced to purge local tt entries to fit new maximum fragment MTU (-320) [ 117.555678][ T3638] batman_adv: batadv0: Forced to purge local tt entries to fit new maximum fragment MTU (-320) [ 117.567142][ T3638] batman_adv: batadv0: Forced to purge local tt entries to fit new maximum fragment MTU (-320) [ 117.578641][ T3638] batman_adv: batadv0: Forced to purge local tt entries to fit new maximum fragment MTU (-320) [ 122.479659][ T3638] net_ratelimit: 4260 callbacks suppressed [ 122.479673][ T3638] batman_adv: batadv0: Forced to purge local tt entries to fit new maximum fragment MTU (-320) [ 122.496937][ T3638] batman_adv: batadv0: Forced to purge local tt entries to fit new maximum fragment MTU (-320) [ 122.508394][ T3638] batman_adv: batadv0: Forced to purge local tt entries to fit new maximum fragment MTU (-320) [ 122.519985][ T3638] batman_adv: batadv0: Forced to purge local tt entries to fit new maximum fragment MTU (-320) [ 122.531435][ T3638] batman_adv: batadv0: Forced to purge local tt entries to fit new maximum fragment MTU (-320) [ 122.542884][ T3638] batman_adv: batadv0: Forced to purge local tt entries to fit new maximum fragment MTU (-320) [ 122.554335][ T3638] batman_adv: batadv0: Forced to purge local tt entries to fit new maximum fragment MTU (-320) [ 122.565889][ T3638] batman_adv: batadv0: Forced to purge local tt entries to fit new maximum fragment MTU (-320) [ 122.577348][ T3638] batman_adv: batadv0: Forced to purge local tt entries to fit new maximum fragment MTU (-320) [ 122.588928][ T3638] batman_adv: batadv0: Forced to purge local tt entries to fit new maximum fragment MTU (-320) [ 127.489336][ T3638] net_ratelimit: 4261 callbacks suppressed [ 127.489349][ T3638] batman_adv: batadv0: Forced to purge local tt entries to fit new maximum fragment MTU (-320) [ 127.506668][ T3638] batman_adv: batadv0: Forced to purge local tt entries to fit new maximum fragment MTU (-320) [ 127.518123][ T3638] batman_adv: batadv0: Forced to purge local tt entries to fit new maximum fragment MTU (-320) [ 127.529777][ T3638] batman_adv: batadv0: Forced to purge local tt entries to fit new maximum fragment MTU (-320) [ 127.541222][ T3638] batman_adv: batadv0: Forced to purge local tt entries to fit new maximum fragment MTU (-320) [ 127.552660][ T3638] batman_adv: batadv0: Forced to purge local tt entries to fit new maximum fragment MTU (-320) [ 127.564195][ T3638] batman_adv: batadv0: Forced to purge local tt entries to fit new maximum fragment MTU (-320) [ 127.575647][ T3638] batman_adv: batadv0: Forced to purge local tt entries to fit new maximum fragment MTU (-320) [ 127.587087][ T3638] batman_adv: batadv0: Forced to purge local tt entries to fit new maximum fragment MTU (-320) [ 127.598564][ T3638] batman_adv: batadv0: Forced to purge local tt entries to fit new maximum fragment MTU (-320) [ 132.499460][ T3638] net_ratelimit: 4256 callbacks suppressed [ 132.499474][ T3638] batman_adv: batadv0: Forced to purge local tt entries to fit new maximum fragment MTU (-320) [ 132.516755][ T3638] batman_adv: batadv0: Forced to purge local tt entries to fit new maximum fragment MTU (-320) [ 132.528217][ T3638] batman_adv: batadv0: Forced to purge local tt entries to fit new maximum fragment MTU (-320) [ 132.539855][ T3638] batman_adv: batadv0: Forced to purge local tt entries to fit new maximum fragment MTU (-320) [ 132.551298][ T3638] batman_adv: batadv0: Forced to purge local tt entries to fit new maximum fragment MTU (-320) [ 132.562922][ T3638] batman_adv: batadv0: Forced to purge local tt entries to fit new maximum fragment MTU (-320) [ 132.574365][ T3638] batman_adv: batadv0: Forced to purge local tt entries to fit new maximum fragment MTU (-320) [ 132.585805][ T3638] batman_adv: batadv0: Forced to purge local tt entries to fit new maximum fragment MTU (-320) [ 132.597255][ T3638] batman_adv: batadv0: Forced to purge local tt entries to fit new maximum fragment MTU (-320) [ 132.608813][ T3638] batman_adv: batadv0: Forced to purge local tt entries to fit new maximum fragment MTU (-320) [ 137.509590][ T3638] net_ratelimit: 4257 callbacks suppressed [ 137.509604][ T3638] batman_adv: batadv0: Forced to purge local tt entries to fit new maximum fragment MTU (-320) [ 137.526938][ T3638] batman_adv: batadv0: Forced to purge local tt entries to fit new maximum fragment MTU (-320) [ 137.538435][ T3638] batman_adv: batadv0: Forced to purge local tt entries to fit new maximum fragment MTU (-320) [ 137.550052][ T3638] batman_adv: batadv0: Forced to purge local tt entries to fit new maximum fragment MTU (-320) [ 137.561504][ T3638] batman_adv: batadv0: Forced to purge local tt entries to fit new maximum fragment MTU (-320) [ 137.572957][ T3638] batman_adv: batadv0: Forced to purge local tt entries to fit new maximum fragment MTU (-320) [ 137.584399][ T3638] batman_adv: batadv0: Forced to purge local tt entries to fit new maximum fragment MTU (-320) [ 137.595847][ T3638] batman_adv: batadv0: Forced to purge local tt entries to fit new maximum fragment MTU (-320) [ 137.607296][ T3638] batman_adv: batadv0: Forced to purge local tt entries to fit new maximum fragment MTU (-320) [ 137.618857][ T3638] batman_adv: batadv0: Forced to purge local tt entries to fit new maximum fragment MTU (-320) [ 142.519715][ T3638] net_ratelimit: 4261 callbacks suppressed [ 142.519729][ T3638] batman_adv: batadv0: Forced to purge local tt entries to fit new maximum fragment MTU (-320) [ 142.536995][ T3638] batman_adv: batadv0: Forced to purge local tt entries to fit new maximum fragment MTU (-320) [ 142.548451][ T3638] batman_adv: batadv0: Forced to purge local tt entries to fit new maximum fragment MTU (-320) [ 142.560068][ T3638] batman_adv: batadv0: Forced to purge local tt entries to fit new maximum fragment MTU (-320) [ 142.571559][ T3638] batman_adv: batadv0: Forced to purge local tt entries to fit new maximum fragment MTU (-320) [ 142.583034][ T3638] batman_adv: batadv0: Forced to purge local tt entries to fit new maximum fragment MTU (-320) [ 142.594485][ T3638] batman_adv: batadv0: Forced to purge local tt entries to fit new maximum fragment MTU (-320) [ 142.605927][ T3638] batman_adv: batadv0: Forced to purge local tt entries to fit new maximum fragment MTU (-320) [ 142.617371][ T3638] batman_adv: batadv0: Forced to purge local tt entries to fit new maximum fragment MTU (-320) [ 142.628976][ T3638] batman_adv: batadv0: Forced to purge local tt entries to fit new maximum fragment MTU (-320) [ 147.529780][ T3638] net_ratelimit: 4249 callbacks suppressed [ 147.529794][ T3638] batman_adv: batadv0: Forced to purge local tt entries to fit new maximum fragment MTU (-320) [ 147.547111][ T3638] batman_adv: batadv0: Forced to purge local tt entries to fit new maximum fragment MTU (-320) [ 147.558670][ T3638] batman_adv: batadv0: Forced to purge local tt entries to fit new maximum fragment MTU (-320) [ 147.570247][ T3638] batman_adv: batadv0: Forced to purge local tt entries to fit new maximum fragment MTU (-320) [ 147.582160][ T3638] batman_adv: batadv0: Forced to purge local tt entries to fit new maximum fragment MTU (-320) [ 147.593625][ T3638] batman_adv: batadv0: Forced to purge local tt entries to fit new maximum fragment MTU (-320) [ 147.605105][ T3638] batman_adv: batadv0: Forced to purge local tt entries to fit new maximum fragment MTU (-320) [ 147.616597][ T3638] batman_adv: batadv0: Forced to purge local tt entries to fit new maximum fragment MTU (-320) [ 147.628093][ T3638] batman_adv: batadv0: Forced to purge local tt entries to fit new maximum fragment MTU (-320) [ 147.639770][ T3638] batman_adv: batadv0: Forced to purge local tt entries to fit new maximum fragment MTU (-320) [ 152.539316][ T3638] net_ratelimit: 4258 callbacks suppressed [ 152.539330][ T3638] batman_adv: batadv0: Forced to purge local tt entries to fit new maximum fragment MTU (-320) [ 152.556618][ T3638] batman_adv: batadv0: Forced to purge local tt entries to fit new maximum fragment MTU (-320) [ 152.568064][ T3638] batman_adv: batadv0: Forced to purge local tt entries to fit new maximum fragment MTU (-320) [ 152.579746][ T3638] batman_adv: batadv0: Forced to purge local tt entries to fit new maximum fragment MTU (-320) [ 152.591193][ T3638] batman_adv: batadv0: Forced to purge local tt entries to fit new maximum fragment MTU (-320) [ 152.602634][ T3638] batman_adv: batadv0: Forced to purge local tt entries to fit new maximum fragment MTU (-320) [ 152.614164][ T3638] batman_adv: batadv0: Forced to purge local tt entries to fit new maximum fragment MTU (-320) [ 152.625604][ T3638] batman_adv: batadv0: Forced to purge local tt entries to fit new maximum fragment MTU (-320) [ 152.637042][ T3638] batman_adv: batadv0: Forced to purge local tt entries to fit new maximum fragment MTU (-320) [ 152.648493][ T3638] batman_adv: batadv0: Forced to purge local tt entries to fit new maximum fragment MTU (-320) [ 157.358526][ C1] rcu: INFO: rcu_preempt self-detected stall on CPU [ 157.365223][ C1] rcu: 1-...!: (10491 ticks this GP) idle=edf/1/0x4000000000000000 softirq=5354/5356 fqs=12 [ 157.375831][ C1] (t=10502 jiffies g=4489 q=2 ncpus=2) [ 157.381363][ C1] rcu: rcu_preempt kthread timer wakeup didn't happen for 10478 jiffies! g4489 f0x0 RCU_GP_WAIT_FQS(5) ->state=0x402 [ 157.393600][ C1] rcu: Possible timer handling issue on cpu=0 timer-softirq=2592 [ 157.401397][ C1] rcu: rcu_preempt kthread starved for 10481 jiffies! g4489 f0x0 RCU_GP_WAIT_FQS(5) ->state=0x402 ->cpu=0 [ 157.412664][ C1] rcu: Unless rcu_preempt kthread gets sufficient CPU time, OOM is now expected behavior. [ 157.422617][ C1] rcu: RCU grace-period kthread stack dump: [ 157.428487][ C1] task:rcu_preempt state:I stack:29376 pid: 16 ppid: 2 flags:0x00004000 [ 157.437689][ C1] Call Trace: [ 157.440955][ C1] [ 157.443878][ C1] __schedule+0xa00/0x4b50 [ 157.448300][ C1] ? lockdep_hardirqs_on+0x79/0x100 [ 157.453491][ C1] ? enqueue_timer+0x5c0/0x5c0 [ 157.458245][ C1] ? io_schedule_timeout+0x140/0x140 [ 157.465780][ C1] ? debug_object_free+0x350/0x350 [ 157.470883][ C1] schedule+0xd2/0x1f0 [ 157.474942][ C1] schedule_timeout+0x14a/0x2a0 [ 157.479789][ C1] ? usleep_range_state+0x1b0/0x1b0 [ 157.484990][ C1] ? destroy_timer_on_stack+0x20/0x20 [ 157.490350][ C1] ? mac802154_slave_close+0x1b0/0x1b0 [ 157.495799][ C1] ? _raw_spin_unlock_irqrestore+0x3d/0x70 [ 157.501593][ C1] ? prepare_to_swait_event+0xee/0x470 [ 157.507041][ C1] rcu_gp_fqs_loop+0x186/0x810 [ 157.511797][ C1] ? force_qs_rnp+0x800/0x800 [ 157.516460][ C1] ? _raw_spin_unlock_irqrestore+0x50/0x70 [ 157.522341][ C1] ? _raw_spin_unlock_irqrestore+0x50/0x70 [ 157.528240][ C1] rcu_gp_kthread+0x1de/0x320 [ 157.532919][ C1] ? rcu_gp_init+0x1420/0x1420 [ 157.537698][ C1] ? __kthread_parkme+0x15f/0x220 [ 157.542805][ C1] ? rcu_gp_init+0x1420/0x1420 [ 157.547558][ C1] kthread+0x2e9/0x3a0 [ 157.551614][ C1] ? kthread_complete_and_exit+0x40/0x40 [ 157.557233][ C1] ret_from_fork+0x1f/0x30 [ 157.561649][ C1] [ 157.564659][ C1] rcu: Stack dump where RCU GP kthread last ran: [ 157.570998][ C1] Sending NMI from CPU 1 to CPUs 0: [ 157.576203][ C0] NMI backtrace for cpu 0 [ 157.576212][ C0] CPU: 0 PID: 11 Comm: kworker/u4:1 Not tainted 5.19.0-rc4-syzkaller-00014-g941e3e791269 #0 [ 157.576233][ C0] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 157.576273][ C0] Workqueue: bat_events batadv_iv_send_outstanding_bat_ogm_packet [ 157.576298][ C0] RIP: 0010:kvm_wait+0x98/0x100 [ 157.576317][ C0] Code: fa 83 e2 07 38 d0 7f 04 84 c0 75 63 0f b6 07 40 38 c6 74 35 48 83 c4 10 c3 c3 e8 23 c4 4b 00 66 90 0f 00 2d fa ac 94 08 fb f4 <48> 83 c4 10 c3 89 74 24 0c 48 89 3c 24 e8 f6 c2 4b 00 8b 74 24 0c [ 157.576335][ C0] RSP: 0018:ffffc900001079f0 EFLAGS: 00000256 [ 157.576349][ C0] RAX: 0000000000064e00 RBX: 0000000000000000 RCX: 1ffffffff20da6be [ 157.576361][ C0] RDX: 0000000000000000 RSI: 0000000000000201 RDI: 0000000000000000 [ 157.576372][ C0] RBP: ffff888074735328 R08: 0000000000000001 R09: ffffffff9067f9df [ 157.576384][ C0] R10: 0000000000000001 R11: 1ffffffff1fba2e6 R12: 0000000000000000 [ 157.576395][ C0] R13: ffffed100e8e6a65 R14: 0000000000000001 R15: ffff8880b9a3ad00 [ 157.576408][ C0] FS: 0000000000000000(0000) GS:ffff8880b9a00000(0000) knlGS:0000000000000000 [ 157.576426][ C0] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 157.576438][ C0] CR2: 0000561898e7f088 CR3: 0000000071728000 CR4: 00000000003506f0 [ 157.576451][ C0] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 157.576462][ C0] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 157.576474][ C0] Call Trace: [ 157.576479][ C0] [ 157.576486][ C0] __pv_queued_spin_lock_slowpath+0x8c7/0xb50 [ 157.576510][ C0] ? trace_contention_end.constprop.0+0x1b0/0x1b0 [ 157.576532][ C0] ? lock_release+0x780/0x780 [ 157.576557][ C0] do_raw_spin_lock+0x200/0x2a0 [ 157.576576][ C0] ? rwlock_bug.part.0+0x90/0x90 [ 157.576598][ C0] batadv_tt_local_commit_changes+0x1a/0x30 [ 157.576622][ C0] batadv_iv_ogm_schedule_buff+0x10d8/0x1430 [ 157.576643][ C0] ? mutex_lock_io_nested+0x1190/0x1190 [ 157.576665][ C0] ? batadv_iv_gw_get_best_gw_node+0x960/0x960 [ 157.576690][ C0] batadv_iv_send_outstanding_bat_ogm_packet+0x740/0x910 [ 157.576717][ C0] process_one_work+0x996/0x1610 [ 157.576742][ C0] ? pwq_dec_nr_in_flight+0x2a0/0x2a0 [ 157.576765][ C0] ? rwlock_bug.part.0+0x90/0x90 [ 157.576782][ C0] ? _raw_spin_lock_irq+0x41/0x50 [ 157.576805][ C0] worker_thread+0x665/0x1080 [ 157.576830][ C0] ? process_one_work+0x1610/0x1610 [ 157.576851][ C0] kthread+0x2e9/0x3a0 [ 157.576867][ C0] ? kthread_complete_and_exit+0x40/0x40 [ 157.576887][ C0] ret_from_fork+0x1f/0x30 [ 157.576915][ C0] [ 157.577213][ C1] NMI backtrace for cpu 1 [ 157.834066][ C1] CPU: 1 PID: 3638 Comm: syz-executor235 Not tainted 5.19.0-rc4-syzkaller-00014-g941e3e791269 #0 [ 157.844546][ C1] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 157.854584][ C1] Call Trace: [ 157.857852][ C1] [ 157.860684][ C1] dump_stack_lvl+0xcd/0x134 [ 157.865266][ C1] nmi_cpu_backtrace.cold+0x47/0x144 [ 157.870538][ C1] ? lapic_can_unplug_cpu+0x80/0x80 [ 157.875721][ C1] nmi_trigger_cpumask_backtrace+0x1e6/0x230 [ 157.881690][ C1] rcu_dump_cpu_stacks+0x262/0x3f0 [ 157.887053][ C1] rcu_sched_clock_irq.cold+0x144/0x8fc [ 157.892682][ C1] ? find_held_lock+0x2d/0x110 [ 157.897524][ C1] ? rcutree_dead_cpu+0x30/0x30 [ 157.902360][ C1] ? tick_sched_timer+0x27/0x120 [ 157.907287][ C1] ? lock_downgrade+0x6e0/0x6e0 [ 157.912121][ C1] ? find_held_lock+0x2d/0x110 [ 157.916881][ C1] ? tick_sched_do_timer+0x470/0x470 [ 157.922152][ C1] update_process_times+0x11a/0x1a0 [ 157.927335][ C1] tick_sched_handle+0x9b/0x180 [ 157.932175][ C1] tick_sched_timer+0xee/0x120 [ 157.936926][ C1] __hrtimer_run_queues+0x1c0/0xe50 [ 157.942115][ C1] ? hrtimer_sleeper_start_expires+0x80/0x80 [ 157.948090][ C1] ? ktime_get_update_offsets_now+0x3eb/0x5c0 [ 157.954150][ C1] hrtimer_interrupt+0x31c/0x790 [ 157.959089][ C1] __sysvec_apic_timer_interrupt+0x146/0x530 [ 157.965148][ C1] sysvec_apic_timer_interrupt+0x8e/0xc0 [ 157.970769][ C1] [ 157.973686][ C1] [ 157.976605][ C1] asm_sysvec_apic_timer_interrupt+0x1b/0x20 [ 157.982576][ C1] RIP: 0010:lock_is_held_type+0xff/0x140 [ 157.988209][ C1] Code: 00 00 b8 ff ff ff ff 65 0f c1 05 c4 51 8b 76 83 f8 01 75 29 9c 58 f6 c4 02 75 3d 48 f7 04 24 00 02 00 00 74 01 fb 48 83 c4 08 <44> 89 e8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 45 31 ed eb b9 0f 0b 48 [ 158.007884][ C1] RSP: 0018:ffffc900030ef248 EFLAGS: 00000286 [ 158.013934][ C1] RAX: 0000000000000046 RBX: 0000000000000002 RCX: 0000000000000001 [ 158.021887][ C1] RDX: 0000000000000000 RSI: 0000000000000403 RDI: 0000000000000000 [ 158.029841][ C1] RBP: ffffffff8bd865a0 R08: 0000000000000000 R09: ffffffff8dbb8d57 [ 158.037813][ C1] R10: fffffbfff1b771aa R11: 0000000000000000 R12: ffff88801f851d80 [ 158.045769][ C1] R13: 0000000000000000 R14: 00000000ffffffff R15: ffff88801f852808 [ 158.053736][ C1] rcu_read_lock_sched_held+0x3a/0x70 [ 158.059101][ C1] lock_acquire+0x480/0x570 [ 158.063603][ C1] ? lock_release+0x780/0x780 [ 158.068268][ C1] ? batadv_tt_local_purge_pending_clients+0x38f/0x4d0 [ 158.075106][ C1] ? mark_held_locks+0x9f/0xe0 [ 158.079857][ C1] ? __local_bh_enable_ip+0xa0/0x120 [ 158.085129][ C1] _raw_spin_lock_bh+0x2f/0x40 [ 158.089881][ C1] ? batadv_tt_local_purge_pending_clients+0x112/0x4d0 [ 158.096714][ C1] batadv_tt_local_purge_pending_clients+0x112/0x4d0 [ 158.103381][ C1] batadv_tt_local_resize_to_mtu+0x96/0x130 [ 158.109350][ C1] batadv_hardif_activate_interface.part.0.cold+0x14c/0x1ba [ 158.116628][ C1] batadv_hardif_enable_interface+0xaba/0xac0 [ 158.122686][ C1] batadv_softif_slave_add+0x64/0x130 [ 158.128044][ C1] ? batadv_softif_slave_del+0x130/0x130 [ 158.133681][ C1] do_set_master+0x1c8/0x220 [ 158.138261][ C1] __rtnl_newlink+0x13ac/0x17e0 [ 158.143104][ C1] ? rtnl_link_unregister+0x250/0x250 [ 158.148462][ C1] ? rtnl_newlink+0x46/0xa0 [ 158.152975][ C1] ? rcu_read_lock_sched_held+0x3a/0x70 [ 158.158518][ C1] ? trace_kmalloc+0x32/0xf0 [ 158.163114][ C1] rtnl_newlink+0x64/0xa0 [ 158.167438][ C1] ? __rtnl_newlink+0x17e0/0x17e0 [ 158.172454][ C1] rtnetlink_rcv_msg+0x43a/0xc90 [ 158.177390][ C1] ? rtnl_fdb_dump+0x9a0/0x9a0 [ 158.182146][ C1] ? netdev_core_pick_tx+0x2e0/0x2e0 [ 158.187425][ C1] ? ref_tracker_free+0x370/0x6b0 [ 158.192442][ C1] ? ref_tracker_dir_exit+0x3e0/0x3e0 [ 158.197803][ C1] netlink_rcv_skb+0x153/0x420 [ 158.202644][ C1] ? rtnl_fdb_dump+0x9a0/0x9a0 [ 158.207401][ C1] ? netlink_ack+0xa80/0xa80 [ 158.211977][ C1] ? netlink_deliver_tap+0x1a2/0xc40 [ 158.217251][ C1] ? netlink_deliver_tap+0x1b1/0xc40 [ 158.222525][ C1] netlink_unicast+0x543/0x7f0 [ 158.227286][ C1] ? netlink_attachskb+0x880/0x880 [ 158.232380][ C1] ? __virt_addr_valid+0x5d/0x2d0 [ 158.237390][ C1] ? __phys_addr_symbol+0x2c/0x70 [ 158.242401][ C1] ? __check_object_size+0x2de/0x700 [ 158.247672][ C1] netlink_sendmsg+0x917/0xe10 [ 158.252424][ C1] ? netlink_unicast+0x7f0/0x7f0 [ 158.257351][ C1] ? bpf_lsm_socket_sendmsg+0x5/0x10 [ 158.262624][ C1] ? netlink_unicast+0x7f0/0x7f0 [ 158.267559][ C1] sock_sendmsg+0xcf/0x120 [ 158.271966][ C1] ____sys_sendmsg+0x6eb/0x810 [ 158.276716][ C1] ? kernel_sendmsg+0x50/0x50 [ 158.281377][ C1] ? do_recvmmsg+0x6d0/0x6d0 [ 158.285965][ C1] ? lockdep_hardirqs_on_prepare+0x400/0x400 [ 158.291933][ C1] ? lockdep_hardirqs_on+0x79/0x100 [ 158.297126][ C1] ___sys_sendmsg+0xf3/0x170 [ 158.301712][ C1] ? sendmsg_copy_msghdr+0x160/0x160 [ 158.306988][ C1] ? lock_release+0x780/0x780 [ 158.311654][ C1] ? ptrace_stop.part.0+0x5ec/0xa80 [ 158.316838][ C1] ? do_raw_spin_lock+0x120/0x2a0 [ 158.321847][ C1] ? rwlock_bug.part.0+0x90/0x90 [ 158.326769][ C1] ? _raw_spin_lock_irq+0x41/0x50 [ 158.331783][ C1] ? __fget_light+0x20a/0x270 [ 158.336451][ C1] __x64_sys_sendmsg+0x132/0x220 [ 158.341474][ C1] ? __sys_sendmsg+0x1b0/0x1b0 [ 158.346238][ C1] ? _raw_spin_unlock_irq+0x2a/0x40 [ 158.351430][ C1] ? ptrace_notify+0xfa/0x140 [ 158.356103][ C1] do_syscall_64+0x35/0xb0 [ 158.360513][ C1] entry_SYSCALL_64_after_hwframe+0x46/0xb0 [ 158.366397][ C1] RIP: 0033:0x7f3e5b3bed39 [ 158.370827][ C1] [ 158.373140][ C1] ================================ [ 158.378225][ C1] WARNING: inconsistent lock state [ 158.383305][ C1] 5.19.0-rc4-syzkaller-00014-g941e3e791269 #0 Not tainted [ 158.390386][ C1] -------------------------------- [ 158.395468][ C1] inconsistent {HARDIRQ-ON-W} -> {IN-HARDIRQ-W} usage. [ 158.402464][ C1] syz-executor235/3638 [HC1[1]:SC0[4]:HE0:SE0] takes: [ 158.409207][ C1] ffffffff8beb8358 (vmap_area_lock){?.+.}-{2:2}, at: find_vmap_area+0x1c/0x130 [ 158.418159][ C1] {HARDIRQ-ON-W} state was registered at: [ 158.423853][ C1] lock_acquire+0x1ab/0x570 [ 158.428428][ C1] _raw_spin_lock+0x2a/0x40 [ 158.432999][ C1] alloc_vmap_area+0xa49/0x1f00 [ 158.437916][ C1] __get_vm_area_node+0x142/0x3f0 [ 158.443021][ C1] get_vm_area_caller+0x43/0x50 [ 158.447939][ C1] __ioremap_caller.constprop.0+0x292/0x600 [ 158.453904][ C1] acpi_os_map_iomem+0x463/0x550 [ 158.458911][ C1] acpi_tb_acquire_table+0xd8/0x209 [ 158.464196][ C1] acpi_tb_validate_table+0x50/0x8c [ 158.469474][ C1] acpi_tb_verify_temp_table+0x84/0x674 [ 158.475096][ C1] acpi_reallocate_root_table+0x374/0x3e0 [ 158.480902][ C1] acpi_early_init+0x13a/0x438 [ 158.485739][ C1] start_kernel+0x3cf/0x48f [ 158.490322][ C1] secondary_startup_64_no_verify+0xce/0xdb [ 158.496296][ C1] irq event stamp: 366918881 [ 158.500866][ C1] hardirqs last enabled at (366918880): [] __local_bh_enable_ip+0xa0/0x120 [ 158.511095][ C1] hardirqs last disabled at (366918881): [] sysvec_apic_timer_interrupt+0xb/0xc0 [ 158.521766][ C1] softirqs last enabled at (3188): [] __irq_exit_rcu+0x123/0x180 [ 158.531129][ C1] softirqs last disabled at (3194): [] batadv_tt_local_resize_to_mtu+0x7d/0x130 [ 158.541732][ C1] [ 158.541732][ C1] other info that might help us debug this: [ 158.549947][ C1] Possible unsafe locking scenario: [ 158.549947][ C1] [ 158.557377][ C1] CPU0 [ 158.560640][ C1] ---- [ 158.563913][ C1] lock(vmap_area_lock); [ 158.568230][ C1] [ 158.571668][ C1] lock(vmap_area_lock); [ 158.576151][ C1] [ 158.576151][ C1] *** DEADLOCK *** [ 158.576151][ C1] [ 158.584270][ C1] 3 locks held by syz-executor235/3638: [ 158.589838][ C1] #0: ffffffff8d58f068 (rtnl_mutex){+.+.}-{3:3}, at: rtnetlink_rcv_msg+0x3e5/0xc90 [ 158.599219][ C1] #1: ffff888074735340 (&bat_priv->tt.commit_lock){+...}-{2:2}, at: batadv_tt_local_resize_to_mtu+0x7d/0x130 [ 158.610865][ C1] #2: ffffffff8bd90298 (rcu_node_0){-.-.}-{2:2}, at: rcu_dump_cpu_stacks+0xd4/0x3f0 [ 158.620327][ C1] [ 158.620327][ C1] stack backtrace: [ 158.626190][ C1] CPU: 1 PID: 3638 Comm: syz-executor235 Not tainted 5.19.0-rc4-syzkaller-00014-g941e3e791269 #0 [ 158.636661][ C1] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 158.646696][ C1] Call Trace: [ 158.649958][ C1] [ 158.652788][ C1] dump_stack_lvl+0xcd/0x134 [ 158.657360][ C1] mark_lock.part.0.cold+0x18/0xd8 [ 158.662460][ C1] ? lock_chain_count+0x20/0x20 [ 158.667296][ C1] ? desc_read_finalized_seq+0x12a/0x1c0 [ 158.672908][ C1] ? memcpy+0x39/0x60 [ 158.676883][ C1] ? desc_read+0x2d6/0x380 [ 158.681292][ C1] ? _prb_read_valid+0x5f6/0x710 [ 158.686212][ C1] __lock_acquire+0x14ad/0x5660 [ 158.691060][ C1] ? __up_console_sem+0x47/0xc0 [ 158.695896][ C1] ? lockdep_hardirqs_on_prepare+0x400/0x400 [ 158.701871][ C1] lock_acquire+0x1ab/0x570 [ 158.706356][ C1] ? find_vmap_area+0x1c/0x130 [ 158.711106][ C1] ? lock_release+0x780/0x780 [ 158.715765][ C1] ? console_emit_next_record.constprop.0+0x840/0x840 [ 158.722539][ C1] ? vprintk+0x80/0x90 [ 158.726586][ C1] ? __wake_up_klogd.part.0+0x99/0xf0 [ 158.731953][ C1] _raw_spin_lock+0x2a/0x40 [ 158.736436][ C1] ? find_vmap_area+0x1c/0x130 [ 158.741183][ C1] find_vmap_area+0x1c/0x130 [ 158.745754][ C1] __check_object_size+0x1f8/0x700 [ 158.750845][ C1] ? record_print_text.cold+0x16/0x16 [ 158.756196][ C1] copy_from_user_nmi+0xcb/0x130 [ 158.761130][ C1] show_opcodes+0x59/0xb0 [ 158.765440][ C1] show_iret_regs+0xd/0x33 [ 158.769838][ C1] __show_regs+0x1e/0x60 [ 158.774082][ C1] ? entry_SYSCALL_64_after_hwframe+0x46/0xb0 [ 158.780132][ C1] show_trace_log_lvl+0x25b/0x2ba [ 158.785134][ C1] ? entry_SYSCALL_64_after_hwframe+0x46/0xb0 [ 158.791193][ C1] ? irq_force_complete_move+0x101/0x160 [ 158.796807][ C1] dump_stack_lvl+0xcd/0x134 [ 158.801377][ C1] nmi_cpu_backtrace.cold+0x47/0x144 [ 158.806644][ C1] ? lapic_can_unplug_cpu+0x80/0x80 [ 158.811825][ C1] nmi_trigger_cpumask_backtrace+0x1e6/0x230 [ 158.817801][ C1] rcu_dump_cpu_stacks+0x262/0x3f0 [ 158.822897][ C1] rcu_sched_clock_irq.cold+0x144/0x8fc [ 158.828430][ C1] ? find_held_lock+0x2d/0x110 [ 158.833179][ C1] ? rcutree_dead_cpu+0x30/0x30 [ 158.838015][ C1] ? tick_sched_timer+0x27/0x120 [ 158.842949][ C1] ? lock_downgrade+0x6e0/0x6e0 [ 158.847783][ C1] ? find_held_lock+0x2d/0x110 [ 158.852619][ C1] ? tick_sched_do_timer+0x470/0x470 [ 158.857887][ C1] update_process_times+0x11a/0x1a0 [ 158.863065][ C1] tick_sched_handle+0x9b/0x180 [ 158.867983][ C1] tick_sched_timer+0xee/0x120 [ 158.872731][ C1] __hrtimer_run_queues+0x1c0/0xe50 [ 158.877910][ C1] ? hrtimer_sleeper_start_expires+0x80/0x80 [ 158.883872][ C1] ? ktime_get_update_offsets_now+0x3eb/0x5c0 [ 158.889922][ C1] hrtimer_interrupt+0x31c/0x790 [ 158.894842][ C1] __sysvec_apic_timer_interrupt+0x146/0x530 [ 158.900801][ C1] sysvec_apic_timer_interrupt+0x8e/0xc0 [ 158.906415][ C1] [ 158.909330][ C1] [ 158.912245][ C1] asm_sysvec_apic_timer_interrupt+0x1b/0x20 [ 158.918209][ C1] RIP: 0010:lock_is_held_type+0xff/0x140 [ 158.923832][ C1] Code: 00 00 b8 ff ff ff ff 65 0f c1 05 c4 51 8b 76 83 f8 01 75 29 9c 58 f6 c4 02 75 3d 48 f7 04 24 00 02 00 00 74 01 fb 48 83 c4 08 <44> 89 e8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 45 31 ed eb b9 0f 0b 48 [ 158.943418][ C1] RSP: 0018:ffffc900030ef248 EFLAGS: 00000286 [ 158.949487][ C1] RAX: 0000000000000046 RBX: 0000000000000002 RCX: 0000000000000001 [ 158.957439][ C1] RDX: 0000000000000000 RSI: 0000000000000403 RDI: 0000000000000000 [ 158.965671][ C1] RBP: ffffffff8bd865a0 R08: 0000000000000000 R09: ffffffff8dbb8d57 [ 158.973631][ C1] R10: fffffbfff1b771aa R11: 0000000000000000 R12: ffff88801f851d80 [ 158.981602][ C1] R13: 0000000000000000 R14: 00000000ffffffff R15: ffff88801f852808 [ 158.989570][ C1] rcu_read_lock_sched_held+0x3a/0x70 [ 158.994931][ C1] lock_acquire+0x480/0x570 [ 158.999433][ C1] ? lock_release+0x780/0x780 [ 159.004095][ C1] ? batadv_tt_local_purge_pending_clients+0x38f/0x4d0 [ 159.011360][ C1] ? mark_held_locks+0x9f/0xe0 [ 159.016115][ C1] ? __local_bh_enable_ip+0xa0/0x120 [ 159.021384][ C1] _raw_spin_lock_bh+0x2f/0x40 [ 159.026129][ C1] ? batadv_tt_local_purge_pending_clients+0x112/0x4d0 [ 159.032966][ C1] batadv_tt_local_purge_pending_clients+0x112/0x4d0 [ 159.039626][ C1] batadv_tt_local_resize_to_mtu+0x96/0x130 [ 159.045503][ C1] batadv_hardif_activate_interface.part.0.cold+0x14c/0x1ba [ 159.052786][ C1] batadv_hardif_enable_interface+0xaba/0xac0 [ 159.058845][ C1] batadv_softif_slave_add+0x64/0x130 [ 159.064208][ C1] ? batadv_softif_slave_del+0x130/0x130 [ 159.069819][ C1] do_set_master+0x1c8/0x220 [ 159.074397][ C1] __rtnl_newlink+0x13ac/0x17e0 [ 159.079236][ C1] ? rtnl_link_unregister+0x250/0x250 [ 159.084595][ C1] ? rtnl_newlink+0x46/0xa0 [ 159.089086][ C1] ? rcu_read_lock_sched_held+0x3a/0x70 [ 159.094624][ C1] ? trace_kmalloc+0x32/0xf0 [ 159.099200][ C1] rtnl_newlink+0x64/0xa0 [ 159.103523][ C1] ? __rtnl_newlink+0x17e0/0x17e0 [ 159.108529][ C1] rtnetlink_rcv_msg+0x43a/0xc90 [ 159.113467][ C1] ? rtnl_fdb_dump+0x9a0/0x9a0 [ 159.118225][ C1] ? netdev_core_pick_tx+0x2e0/0x2e0 [ 159.123493][ C1] ? ref_tracker_free+0x370/0x6b0 [ 159.128503][ C1] ? ref_tracker_dir_exit+0x3e0/0x3e0 [ 159.133874][ C1] netlink_rcv_skb+0x153/0x420 [ 159.138623][ C1] ? rtnl_fdb_dump+0x9a0/0x9a0 [ 159.143375][ C1] ? netlink_ack+0xa80/0xa80 [ 159.148043][ C1] ? netlink_deliver_tap+0x1a2/0xc40 [ 159.153306][ C1] ? netlink_deliver_tap+0x1b1/0xc40 [ 159.158576][ C1] netlink_unicast+0x543/0x7f0 [ 159.163328][ C1] ? netlink_attachskb+0x880/0x880 [ 159.168422][ C1] ? __virt_addr_valid+0x5d/0x2d0 [ 159.173448][ C1] ? __phys_addr_symbol+0x2c/0x70 [ 159.178474][ C1] ? __check_object_size+0x2de/0x700 [ 159.183761][ C1] netlink_sendmsg+0x917/0xe10 [ 159.188516][ C1] ? netlink_unicast+0x7f0/0x7f0 [ 159.193459][ C1] ? bpf_lsm_socket_sendmsg+0x5/0x10 [ 159.198734][ C1] ? netlink_unicast+0x7f0/0x7f0 [ 159.203680][ C1] sock_sendmsg+0xcf/0x120 [ 159.208079][ C1] ____sys_sendmsg+0x6eb/0x810 [ 159.212826][ C1] ? kernel_sendmsg+0x50/0x50 [ 159.217485][ C1] ? do_recvmmsg+0x6d0/0x6d0 [ 159.222057][ C1] ? lockdep_hardirqs_on_prepare+0x400/0x400 [ 159.228022][ C1] ? lockdep_hardirqs_on+0x79/0x100 [ 159.233206][ C1] ___sys_sendmsg+0xf3/0x170 [ 159.237788][ C1] ? sendmsg_copy_msghdr+0x160/0x160 [ 159.243159][ C1] ? lock_release+0x780/0x780 [ 159.247823][ C1] ? ptrace_stop.part.0+0x5ec/0xa80 [ 159.253031][ C1] ? do_raw_spin_lock+0x120/0x2a0 [ 159.258038][ C1] ? rwlock_bug.part.0+0x90/0x90 [ 159.262959][ C1] ? _raw_spin_lock_irq+0x41/0x50 [ 159.267970][ C1] ? __fget_light+0x20a/0x270 [ 159.272640][ C1] __x64_sys_sendmsg+0x132/0x220 [ 159.277556][ C1] ? __sys_sendmsg+0x1b0/0x1b0 [ 159.282307][ C1] ? _raw_spin_unlock_irq+0x2a/0x40 [ 159.287485][ C1] ? ptrace_notify+0xfa/0x140 [ 159.292140][ C1] do_syscall_64+0x35/0xb0 [ 159.296570][ C1] entry_SYSCALL_64_after_hwframe+0x46/0xb0 [ 159.302466][ C1] RIP: 0033:0x7f3e5b3bed39 [ 159.306909][ C1] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 41 15 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 c0 ff ff ff f7 d8 64 89 01 48 [ 159.331289][ C1] RSP: 002b:00007ffc544c24c8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 159.339685][ C1] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f3e5b3bed39 [ 159.347637][ C1] RDX: 0000000000000000 RSI: 0000000020000080 RDI: 0000000000000005 [ 159.355587][ C1] RBP: 0000000000000000 R08: 000000000000000d R09: 000000000000000d [ 159.363538][ C1] R10: 000000000000000d R11: 0000000000000246 R12: 00007ffc544c24e0 [ 159.371492][ C1] R13: 00000000000f4240 R14: 0000000000000000 R15: 0000000000000000 [ 159.379452][ C1] [ 159.382458][ C1] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 41 15 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 c0 ff ff ff f7 d8 64 89 01 48 [ 159.402048][ C1] RSP: 002b:00007ffc544c24c8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 159.410438][ C1] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f3e5b3bed39 [ 159.418393][ C1] RDX: 0000000000000000 RSI: 0000000020000080 RDI: 0000000000000005 [ 159.426354][ C1] RBP: 0000000000000000 R08: 000000000000000d R09: 000000000000000d [ 159.434324][ C1] R10: 000000000000000d R11: 0000000000000246 R12: 00007ffc544c24e0 [ 159.442292][ C1] R13: 00000000000f4240 R14: 0000000000000000 R15: 0000000000000000 [ 159.450348][ C1] [ 159.453491][ T3638] net_ratelimit: 4100 callbacks suppressed [ 159.453501][ T3638] batman_adv: batadv0: Forced to purge local tt entries to fit new maximum fragment MTU (-320) [ 159.469914][ T3638] batman_adv: batadv0: Forced to purge local tt entries to fit new maximum fragment MTU (-320) [ 159.480513][ T3638] batman_adv: batadv0: Forced to purge local tt entries to fit new maximum fragment MTU (-320) [ 159.491108][ T3638] batman_adv: batadv0: Forced to purge local tt entries to fit new maximum fragment MTU (-320) [ 159.501779][ T3638] batman_adv: batadv0: Forced to purge local tt entries to fit new maximum fragment MTU (-320) [ 159.512367][ T3638] batman_adv: batadv0: Forced to purge local tt entries to fit new maximum fragment MTU (-320) [ 159.522948][ T3638] batman_adv: batadv0: Forced to purge local tt entries to fit new maximum fragment MTU (-320) [ 159.533534][ T3638] batman_adv: batadv0: Forced to purge local tt entries to fit new maximum fragment MTU (-320) [ 159.544129][ T3638] batman_adv: batadv0: Forced to purge local tt entries to fit new maximum fragment MTU (-320) [ 159.554730][ T3638] batman_adv: batadv0: Forced to purge local tt entries to fit new maximum fragment MTU (-320) [ 164.458568][ T3638] net_ratelimit: 16980 callbacks suppressed [ 164.458618][ T3638] batman_adv: batadv0: Forced to purge local tt entries to fit new maximum fragment MTU (-320) [ 164.475156][ T3638] batman_adv: batadv0: Forced to purge local tt entries to fit new maximum fragment MTU (-320) [ 164.485746][ T3638] batman_adv: batadv0: Forced to purge local tt entries to fit new maximum fragment MTU (-320) [ 164.496455][ T3638] batman_adv: batadv0: Forced to purge local tt entries to fit new maximum fragment MTU (-320) [ 164.507111][ T3638] batman_adv: batadv0: Forced to purge local tt entries to fit new maximum fragment MTU (-320) [ 164.517734][ T3638] batman_adv: batadv0: Forced to purge local tt entries to fit new maximum fragment MTU (-320) [ 164.528354][ T3638] batman_adv: batadv0: Forced to purge local tt entries to fit new maximum fragment MTU (-320) [ 164.539076][ T3638] batman_adv: batadv0: Forced to purge local tt entries to fit new maximum fragment MTU (-320) [ 164.549686][ T3638] batman_adv: batadv0: Forced to purge local tt entries to fit new maximum fragment MTU (-320) [ 164.560295][ T3638] batman_adv: batadv0: Forced to purge local tt entries to fit new maximum fragment MTU (-320)