./strace-static-x86_64 -e \!wait4,clock_nanosleep,nanosleep -s 100 -x -f ./syz-executor2708094183 <...> Warning: Permanently added '10.128.0.171' (ECDSA) to the list of known hosts. execve("./syz-executor2708094183", ["./syz-executor2708094183"], 0x7ffedcf05aa0 /* 10 vars */) = 0 brk(NULL) = 0x555556d78000 brk(0x555556d78c40) = 0x555556d78c40 arch_prctl(ARCH_SET_FS, 0x555556d78300) = 0 uname({sysname="Linux", nodename="syzkaller", ...}) = 0 readlink("/proc/self/exe", "/root/syz-executor2708094183", 4096) = 28 brk(0x555556d99c40) = 0x555556d99c40 brk(0x555556d9a000) = 0x555556d9a000 mprotect(0x7f5f9ced4000, 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 3621 attached , child_tidptr=0x555556d785d0) = 3621 [pid 3621] mount(NULL, "/sys/fs/fuse/connections", "fusectl", 0, NULL) = -1 EBUSY (Device or resource busy) [pid 3621] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 3621] setsid() = 1 [pid 3621] prlimit64(0, RLIMIT_AS, {rlim_cur=204800*1024, rlim_max=204800*1024}, NULL) = 0 [pid 3621] prlimit64(0, RLIMIT_MEMLOCK, {rlim_cur=32768*1024, rlim_max=32768*1024}, NULL) = 0 [pid 3621] prlimit64(0, RLIMIT_FSIZE, {rlim_cur=139264*1024, rlim_max=139264*1024}, NULL) = 0 [pid 3621] prlimit64(0, RLIMIT_STACK, {rlim_cur=1024*1024, rlim_max=1024*1024}, NULL) = 0 [pid 3621] prlimit64(0, RLIMIT_CORE, {rlim_cur=0, rlim_max=0}, NULL) = 0 [pid 3621] prlimit64(0, RLIMIT_NOFILE, {rlim_cur=256, rlim_max=256}, NULL) = 0 [pid 3621] unshare(CLONE_NEWNS) = 0 [pid 3621] mount(NULL, "/", NULL, MS_REC|MS_PRIVATE, NULL) = 0 [pid 3621] unshare(CLONE_NEWIPC) = 0 [pid 3621] unshare(CLONE_NEWCGROUP) = 0 [pid 3621] unshare(CLONE_NEWUTS) = 0 [pid 3621] unshare(CLONE_SYSVSEM) = 0 [pid 3621] openat(AT_FDCWD, "/proc/sys/kernel/shmmax", O_WRONLY|O_CLOEXEC) = 3 [pid 3621] write(3, "16777216", 8) = 8 [pid 3621] close(3) = 0 [pid 3621] openat(AT_FDCWD, "/proc/sys/kernel/shmall", O_WRONLY|O_CLOEXEC) = 3 [pid 3621] write(3, "536870912", 9) = 9 [pid 3621] close(3) = 0 [pid 3621] openat(AT_FDCWD, "/proc/sys/kernel/shmmni", O_WRONLY|O_CLOEXEC) = 3 [pid 3621] write(3, "1024", 4) = 4 [pid 3621] close(3) = 0 [pid 3621] openat(AT_FDCWD, "/proc/sys/kernel/msgmax", O_WRONLY|O_CLOEXEC) = 3 [pid 3621] write(3, "8192", 4) = 4 [pid 3621] close(3) = 0 [pid 3621] openat(AT_FDCWD, "/proc/sys/kernel/msgmni", O_WRONLY|O_CLOEXEC) = 3 [pid 3621] write(3, "1024", 4) = 4 [pid 3621] close(3) = 0 [pid 3621] openat(AT_FDCWD, "/proc/sys/kernel/msgmnb", O_WRONLY|O_CLOEXEC) = 3 [pid 3621] write(3, "1024", 4) = 4 [pid 3621] close(3) = 0 [pid 3621] openat(AT_FDCWD, "/proc/sys/kernel/sem", O_WRONLY|O_CLOEXEC) = 3 [pid 3621] write(3, "1024 1048576 500 1024", 21) = 21 [pid 3621] close(3) = 0 [pid 3621] getpid() = 1 [pid 3621] capget({version=_LINUX_CAPABILITY_VERSION_3, pid=1}, {effective=1< 2]) = 0 [ 49.414325][ T3621] netdevsim netdevsim0 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0 [ 49.414357][ T3621] netdevsim netdevsim0 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0 [ 49.524082][ T3637] device bond_slave_0 entered promiscuous mode [ 49.524100][ T3637] device bond_slave_1 entered promiscuous mode [ 49.524168][ T3637] device macvlan2 entered promiscuous mode [ 49.524173][ T3637] device bond0 entered promiscuous mode [ 49.524481][ T3637] 8021q: adding VLAN 0 to HW filter on device macvlan2 [ 49.524628][ T3637] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan2: link becomes ready [ 49.524947][ T3637] batman_adv: batadv0: Adding interface: macvlan2 [ 49.524958][ T3637] 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. [ 49.524986][ T3637] batman_adv: batadv0: Interface activated: macvlan2 [ 49.526243][ T3637] batman_adv: batadv0: Forced to purge local tt entries to fit new maximum fragment MTU (-320) [ 49.527393][ T3637] batman_adv: batadv0: Forced to purge local tt entries to fit new maximum fragment MTU (-320) [ 49.528538][ T3637] batman_adv: batadv0: Forced to purge local tt entries to fit new maximum fragment MTU (-320) [ 49.530093][ T3637] batman_adv: batadv0: Forced to purge local tt entries to fit new maximum fragment MTU (-320) [ 49.532078][ T3637] batman_adv: batadv0: Forced to purge local tt entries to fit new maximum fragment MTU (-320) [ 49.534059][ T3637] batman_adv: batadv0: Forced to purge local tt entries to fit new maximum fragment MTU (-320) [ 49.536052][ T3637] batman_adv: batadv0: Forced to purge local tt entries to fit new maximum fragment MTU (-320) [ 49.538042][ T3637] batman_adv: batadv0: Forced to purge local tt entries to fit new maximum fragment MTU (-320) [ 49.540085][ T3637] batman_adv: batadv0: Forced to purge local tt entries to fit new maximum fragment MTU (-320) [ 49.542075][ T3637] batman_adv: batadv0: Forced to purge local tt entries to fit new maximum fragment MTU (-320) [ 54.530248][ T3637] net_ratelimit: 4140 callbacks suppressed [ 54.530262][ T3637] batman_adv: batadv0: Forced to purge local tt entries to fit new maximum fragment MTU (-320) [ 54.531414][ T3637] batman_adv: batadv0: Forced to purge local tt entries to fit new maximum fragment MTU (-320) [ 54.532560][ T3637] batman_adv: batadv0: Forced to purge local tt entries to fit new maximum fragment MTU (-320) [ 54.533708][ T3637] batman_adv: batadv0: Forced to purge local tt entries to fit new maximum fragment MTU (-320) [ 54.534856][ T3637] batman_adv: batadv0: Forced to purge local tt entries to fit new maximum fragment MTU (-320) [ 54.536008][ T3637] batman_adv: batadv0: Forced to purge local tt entries to fit new maximum fragment MTU (-320) [ 54.537160][ T3637] batman_adv: batadv0: Forced to purge local tt entries to fit new maximum fragment MTU (-320) [ 54.538313][ T3637] batman_adv: batadv0: Forced to purge local tt entries to fit new maximum fragment MTU (-320) [ 54.539590][ T3637] batman_adv: batadv0: Forced to purge local tt entries to fit new maximum fragment MTU (-320) [ 54.540840][ T3637] batman_adv: batadv0: Forced to purge local tt entries to fit new maximum fragment MTU (-320) [ 59.539950][ T3637] net_ratelimit: 4263 callbacks suppressed [ 59.539967][ T3637] batman_adv: batadv0: Forced to purge local tt entries to fit new maximum fragment MTU (-320) [ 59.541127][ T3637] batman_adv: batadv0: Forced to purge local tt entries to fit new maximum fragment MTU (-320) [ 59.542294][ T3637] batman_adv: batadv0: Forced to purge local tt entries to fit new maximum fragment MTU (-320) [ 59.543444][ T3637] batman_adv: batadv0: Forced to purge local tt entries to fit new maximum fragment MTU (-320) [ 59.544598][ T3637] batman_adv: batadv0: Forced to purge local tt entries to fit new maximum fragment MTU (-320) [ 59.545747][ T3637] batman_adv: batadv0: Forced to purge local tt entries to fit new maximum fragment MTU (-320) [ 59.546917][ T3637] batman_adv: batadv0: Forced to purge local tt entries to fit new maximum fragment MTU (-320) [ 59.548069][ T3637] batman_adv: batadv0: Forced to purge local tt entries to fit new maximum fragment MTU (-320) [ 59.549223][ T3637] batman_adv: batadv0: Forced to purge local tt entries to fit new maximum fragment MTU (-320) [ 59.550579][ T3637] batman_adv: batadv0: Forced to purge local tt entries to fit new maximum fragment MTU (-320) [ 64.550107][ T3637] net_ratelimit: 4244 callbacks suppressed [ 64.550121][ T3637] batman_adv: batadv0: Forced to purge local tt entries to fit new maximum fragment MTU (-320) [ 64.551282][ T3637] batman_adv: batadv0: Forced to purge local tt entries to fit new maximum fragment MTU (-320) [ 64.552476][ T3637] batman_adv: batadv0: Forced to purge local tt entries to fit new maximum fragment MTU (-320) [ 64.553635][ T3637] batman_adv: batadv0: Forced to purge local tt entries to fit new maximum fragment MTU (-320) [ 64.554796][ T3637] batman_adv: batadv0: Forced to purge local tt entries to fit new maximum fragment MTU (-320) [ 64.555965][ T3637] batman_adv: batadv0: Forced to purge local tt entries to fit new maximum fragment MTU (-320) [ 64.557117][ T3637] batman_adv: batadv0: Forced to purge local tt entries to fit new maximum fragment MTU (-320) [ 64.558268][ T3637] batman_adv: batadv0: Forced to purge local tt entries to fit new maximum fragment MTU (-320) [ 64.559514][ T3637] batman_adv: batadv0: Forced to purge local tt entries to fit new maximum fragment MTU (-320) [ 64.560781][ T3637] batman_adv: batadv0: Forced to purge local tt entries to fit new maximum fragment MTU (-320) [ 69.560439][ T3637] net_ratelimit: 4270 callbacks suppressed [ 69.560453][ T3637] batman_adv: batadv0: Forced to purge local tt entries to fit new maximum fragment MTU (-320) [ 69.561621][ T3637] batman_adv: batadv0: Forced to purge local tt entries to fit new maximum fragment MTU (-320) [ 69.562767][ T3637] batman_adv: batadv0: Forced to purge local tt entries to fit new maximum fragment MTU (-320) [ 69.563918][ T3637] batman_adv: batadv0: Forced to purge local tt entries to fit new maximum fragment MTU (-320) [ 69.565062][ T3637] batman_adv: batadv0: Forced to purge local tt entries to fit new maximum fragment MTU (-320) [ 69.566215][ T3637] batman_adv: batadv0: Forced to purge local tt entries to fit new maximum fragment MTU (-320) [ 69.567366][ T3637] batman_adv: batadv0: Forced to purge local tt entries to fit new maximum fragment MTU (-320) [ 69.568512][ T3637] batman_adv: batadv0: Forced to purge local tt entries to fit new maximum fragment MTU (-320) [ 69.569816][ T3637] batman_adv: batadv0: Forced to purge local tt entries to fit new maximum fragment MTU (-320) [ 69.571014][ T3637] batman_adv: batadv0: Forced to purge local tt entries to fit new maximum fragment MTU (-320) [ 74.570276][ T3637] net_ratelimit: 4262 callbacks suppressed [ 74.570289][ T3637] batman_adv: batadv0: Forced to purge local tt entries to fit new maximum fragment MTU (-320) [ 74.571438][ T3637] batman_adv: batadv0: Forced to purge local tt entries to fit new maximum fragment MTU (-320) [ 74.572584][ T3637] batman_adv: batadv0: Forced to purge local tt entries to fit new maximum fragment MTU (-320) [ 74.573736][ T3637] batman_adv: batadv0: Forced to purge local tt entries to fit new maximum fragment MTU (-320) [ 74.574884][ T3637] batman_adv: batadv0: Forced to purge local tt entries to fit new maximum fragment MTU (-320) [ 74.576030][ T3637] batman_adv: batadv0: Forced to purge local tt entries to fit new maximum fragment MTU (-320) [ 74.577181][ T3637] batman_adv: batadv0: Forced to purge local tt entries to fit new maximum fragment MTU (-320) [ 74.578349][ T3637] batman_adv: batadv0: Forced to purge local tt entries to fit new maximum fragment MTU (-320) [ 74.579601][ T3637] batman_adv: batadv0: Forced to purge local tt entries to fit new maximum fragment MTU (-320) [ 74.580853][ T3637] batman_adv: batadv0: Forced to purge local tt entries to fit new maximum fragment MTU (-320) [ 79.580184][ T3637] net_ratelimit: 4267 callbacks suppressed [ 79.580199][ T3637] batman_adv: batadv0: Forced to purge local tt entries to fit new maximum fragment MTU (-320) [ 79.581359][ T3637] batman_adv: batadv0: Forced to purge local tt entries to fit new maximum fragment MTU (-320) [ 79.582502][ T3637] batman_adv: batadv0: Forced to purge local tt entries to fit new maximum fragment MTU (-320) [ 79.583654][ T3637] batman_adv: batadv0: Forced to purge local tt entries to fit new maximum fragment MTU (-320) [ 79.584803][ T3637] batman_adv: batadv0: Forced to purge local tt entries to fit new maximum fragment MTU (-320) [ 79.585949][ T3637] batman_adv: batadv0: Forced to purge local tt entries to fit new maximum fragment MTU (-320) [ 79.587099][ T3637] batman_adv: batadv0: Forced to purge local tt entries to fit new maximum fragment MTU (-320) [ 79.588248][ T3637] batman_adv: batadv0: Forced to purge local tt entries to fit new maximum fragment MTU (-320) [ 79.589467][ T3637] batman_adv: batadv0: Forced to purge local tt entries to fit new maximum fragment MTU (-320) [ 79.590762][ T3637] batman_adv: batadv0: Forced to purge local tt entries to fit new maximum fragment MTU (-320) [ 84.590393][ T3637] net_ratelimit: 4268 callbacks suppressed [ 84.590406][ T3637] batman_adv: batadv0: Forced to purge local tt entries to fit new maximum fragment MTU (-320) [ 84.591550][ T3637] batman_adv: batadv0: Forced to purge local tt entries to fit new maximum fragment MTU (-320) [ 84.592721][ T3637] batman_adv: batadv0: Forced to purge local tt entries to fit new maximum fragment MTU (-320) [ 84.593867][ T3637] batman_adv: batadv0: Forced to purge local tt entries to fit new maximum fragment MTU (-320) [ 84.595026][ T3637] batman_adv: batadv0: Forced to purge local tt entries to fit new maximum fragment MTU (-320) [ 84.596185][ T3637] batman_adv: batadv0: Forced to purge local tt entries to fit new maximum fragment MTU (-320) [ 84.597344][ T3637] batman_adv: batadv0: Forced to purge local tt entries to fit new maximum fragment MTU (-320) [ 84.598608][ T3637] batman_adv: batadv0: Forced to purge local tt entries to fit new maximum fragment MTU (-320) [ 84.600039][ T3637] batman_adv: batadv0: Forced to purge local tt entries to fit new maximum fragment MTU (-320) [ 84.601239][ T3637] batman_adv: batadv0: Forced to purge local tt entries to fit new maximum fragment MTU (-320) [ 89.599912][ T3637] net_ratelimit: 4268 callbacks suppressed [ 89.599930][ T3637] batman_adv: batadv0: Forced to purge local tt entries to fit new maximum fragment MTU (-320) [ 89.601105][ T3637] batman_adv: batadv0: Forced to purge local tt entries to fit new maximum fragment MTU (-320) [ 89.602262][ T3637] batman_adv: batadv0: Forced to purge local tt entries to fit new maximum fragment MTU (-320) [ 89.603414][ T3637] batman_adv: batadv0: Forced to purge local tt entries to fit new maximum fragment MTU (-320) [ 89.604556][ T3637] batman_adv: batadv0: Forced to purge local tt entries to fit new maximum fragment MTU (-320) [ 89.605698][ T3637] batman_adv: batadv0: Forced to purge local tt entries to fit new maximum fragment MTU (-320) [ 89.606845][ T3637] batman_adv: batadv0: Forced to purge local tt entries to fit new maximum fragment MTU (-320) [ 89.607991][ T3637] batman_adv: batadv0: Forced to purge local tt entries to fit new maximum fragment MTU (-320) [ 89.609138][ T3637] batman_adv: batadv0: Forced to purge local tt entries to fit new maximum fragment MTU (-320) [ 89.610499][ T3637] batman_adv: batadv0: Forced to purge local tt entries to fit new maximum fragment MTU (-320) [ 94.610444][ T3637] net_ratelimit: 4267 callbacks suppressed [ 94.610458][ T3637] batman_adv: batadv0: Forced to purge local tt entries to fit new maximum fragment MTU (-320) [ 94.611634][ T3637] batman_adv: batadv0: Forced to purge local tt entries to fit new maximum fragment MTU (-320) [ 94.612787][ T3637] batman_adv: batadv0: Forced to purge local tt entries to fit new maximum fragment MTU (-320) [ 94.613930][ T3637] batman_adv: batadv0: Forced to purge local tt entries to fit new maximum fragment MTU (-320) [ 94.615073][ T3637] batman_adv: batadv0: Forced to purge local tt entries to fit new maximum fragment MTU (-320) [ 94.616227][ T3637] batman_adv: batadv0: Forced to purge local tt entries to fit new maximum fragment MTU (-320) [ 94.617396][ T3637] batman_adv: batadv0: Forced to purge local tt entries to fit new maximum fragment MTU (-320) [ 94.618555][ T3637] batman_adv: batadv0: Forced to purge local tt entries to fit new maximum fragment MTU (-320) [ 94.619896][ T3637] batman_adv: batadv0: Forced to purge local tt entries to fit new maximum fragment MTU (-320) [ 94.621136][ T3637] batman_adv: batadv0: Forced to purge local tt entries to fit new maximum fragment MTU (-320) [ 99.619967][ T3637] net_ratelimit: 4245 callbacks suppressed [ 99.619984][ T3637] batman_adv: batadv0: Forced to purge local tt entries to fit new maximum fragment MTU (-320) [ 99.621146][ T3637] batman_adv: batadv0: Forced to purge local tt entries to fit new maximum fragment MTU (-320) [ 99.622292][ T3637] batman_adv: batadv0: Forced to purge local tt entries to fit new maximum fragment MTU (-320) [ 99.623440][ T3637] batman_adv: batadv0: Forced to purge local tt entries to fit new maximum fragment MTU (-320) [ 99.624588][ T3637] batman_adv: batadv0: Forced to purge local tt entries to fit new maximum fragment MTU (-320) [ 99.625738][ T3637] batman_adv: batadv0: Forced to purge local tt entries to fit new maximum fragment MTU (-320) [ 99.626896][ T3637] batman_adv: batadv0: Forced to purge local tt entries to fit new maximum fragment MTU (-320) [ 99.628045][ T3637] batman_adv: batadv0: Forced to purge local tt entries to fit new maximum fragment MTU (-320) [ 99.629193][ T3637] batman_adv: batadv0: Forced to purge local tt entries to fit new maximum fragment MTU (-320) [ 99.630548][ T3637] batman_adv: batadv0: Forced to purge local tt entries to fit new maximum fragment MTU (-320) [ 104.630135][ T3637] net_ratelimit: 4264 callbacks suppressed [ 104.630149][ T3637] batman_adv: batadv0: Forced to purge local tt entries to fit new maximum fragment MTU (-320) [ 104.631376][ T3637] batman_adv: batadv0: Forced to purge local tt entries to fit new maximum fragment MTU (-320) [ 104.632592][ T3637] batman_adv: batadv0: Forced to purge local tt entries to fit new maximum fragment MTU (-320) [ 104.633776][ T3637] batman_adv: batadv0: Forced to purge local tt entries to fit new maximum fragment MTU (-320) [ 104.634954][ T3637] batman_adv: batadv0: Forced to purge local tt entries to fit new maximum fragment MTU (-320) [ 104.636155][ T3637] batman_adv: batadv0: Forced to purge local tt entries to fit new maximum fragment MTU (-320) [ 104.637312][ T3637] batman_adv: batadv0: Forced to purge local tt entries to fit new maximum fragment MTU (-320) [ 104.638543][ T3637] batman_adv: batadv0: Forced to purge local tt entries to fit new maximum fragment MTU (-320) [ 104.639937][ T3637] batman_adv: batadv0: Forced to purge local tt entries to fit new maximum fragment MTU (-320) [ 104.641142][ T3637] batman_adv: batadv0: Forced to purge local tt entries to fit new maximum fragment MTU (-320) [ 109.639438][ T3637] net_ratelimit: 4273 callbacks suppressed [ 109.639454][ T3637] batman_adv: batadv0: Forced to purge local tt entries to fit new maximum fragment MTU (-320) [ 109.640742][ T3637] batman_adv: batadv0: Forced to purge local tt entries to fit new maximum fragment MTU (-320) [ 109.641897][ T3637] batman_adv: batadv0: Forced to purge local tt entries to fit new maximum fragment MTU (-320) [ 109.643046][ T3637] batman_adv: batadv0: Forced to purge local tt entries to fit new maximum fragment MTU (-320) [ 109.644195][ T3637] batman_adv: batadv0: Forced to purge local tt entries to fit new maximum fragment MTU (-320) [ 109.645350][ T3637] batman_adv: batadv0: Forced to purge local tt entries to fit new maximum fragment MTU (-320) [ 109.646494][ T3637] batman_adv: batadv0: Forced to purge local tt entries to fit new maximum fragment MTU (-320) [ 109.647650][ T3637] batman_adv: batadv0: Forced to purge local tt entries to fit new maximum fragment MTU (-320) [ 109.648802][ T3637] batman_adv: batadv0: Forced to purge local tt entries to fit new maximum fragment MTU (-320) [ 109.650156][ T3637] batman_adv: batadv0: Forced to purge local tt entries to fit new maximum fragment MTU (-320) [ 114.649571][ T3637] net_ratelimit: 4266 callbacks suppressed [ 114.649587][ T3637] batman_adv: batadv0: Forced to purge local tt entries to fit new maximum fragment MTU (-320) [ 114.650875][ T3637] batman_adv: batadv0: Forced to purge local tt entries to fit new maximum fragment MTU (-320) [ 114.652028][ T3637] batman_adv: batadv0: Forced to purge local tt entries to fit new maximum fragment MTU (-320) [ 114.653195][ T3637] batman_adv: batadv0: Forced to purge local tt entries to fit new maximum fragment MTU (-320) [ 114.654353][ T3637] batman_adv: batadv0: Forced to purge local tt entries to fit new maximum fragment MTU (-320) [ 114.655510][ T3637] batman_adv: batadv0: Forced to purge local tt entries to fit new maximum fragment MTU (-320) [ 114.656660][ T3637] batman_adv: batadv0: Forced to purge local tt entries to fit new maximum fragment MTU (-320) [ 114.657823][ T3637] batman_adv: batadv0: Forced to purge local tt entries to fit new maximum fragment MTU (-320) [ 114.658985][ T3637] batman_adv: batadv0: Forced to purge local tt entries to fit new maximum fragment MTU (-320) [ 114.660370][ T3637] batman_adv: batadv0: Forced to purge local tt entries to fit new maximum fragment MTU (-320) [ 119.660272][ T3637] net_ratelimit: 4265 callbacks suppressed [ 119.660286][ T3637] batman_adv: batadv0: Forced to purge local tt entries to fit new maximum fragment MTU (-320) [ 119.661446][ T3637] batman_adv: batadv0: Forced to purge local tt entries to fit new maximum fragment MTU (-320) [ 119.662604][ T3637] batman_adv: batadv0: Forced to purge local tt entries to fit new maximum fragment MTU (-320) [ 119.663760][ T3637] batman_adv: batadv0: Forced to purge local tt entries to fit new maximum fragment MTU (-320) [ 119.664918][ T3637] batman_adv: batadv0: Forced to purge local tt entries to fit new maximum fragment MTU (-320) [ 119.666070][ T3637] batman_adv: batadv0: Forced to purge local tt entries to fit new maximum fragment MTU (-320) [ 119.667222][ T3637] batman_adv: batadv0: Forced to purge local tt entries to fit new maximum fragment MTU (-320) [ 119.668395][ T3637] batman_adv: batadv0: Forced to purge local tt entries to fit new maximum fragment MTU (-320) [ 119.669685][ T3637] batman_adv: batadv0: Forced to purge local tt entries to fit new maximum fragment MTU (-320) [ 119.670921][ T3637] batman_adv: batadv0: Forced to purge local tt entries to fit new maximum fragment MTU (-320) [ 124.669831][ T3637] net_ratelimit: 4258 callbacks suppressed [ 124.669849][ T3637] batman_adv: batadv0: Forced to purge local tt entries to fit new maximum fragment MTU (-320) [ 124.671054][ T3637] batman_adv: batadv0: Forced to purge local tt entries to fit new maximum fragment MTU (-320) [ 124.672206][ T3637] batman_adv: batadv0: Forced to purge local tt entries to fit new maximum fragment MTU (-320) [ 124.673371][ T3637] batman_adv: batadv0: Forced to purge local tt entries to fit new maximum fragment MTU (-320) [ 124.674525][ T3637] batman_adv: batadv0: Forced to purge local tt entries to fit new maximum fragment MTU (-320) [ 124.675675][ T3637] batman_adv: batadv0: Forced to purge local tt entries to fit new maximum fragment MTU (-320) [ 124.676842][ T3637] batman_adv: batadv0: Forced to purge local tt entries to fit new maximum fragment MTU (-320) [ 124.678004][ T3637] batman_adv: batadv0: Forced to purge local tt entries to fit new maximum fragment MTU (-320) [ 124.679164][ T3637] batman_adv: batadv0: Forced to purge local tt entries to fit new maximum fragment MTU (-320) [ 124.680525][ T3637] batman_adv: batadv0: Forced to purge local tt entries to fit new maximum fragment MTU (-320) [ 129.680215][ T3637] net_ratelimit: 4263 callbacks suppressed [ 129.680228][ T3637] batman_adv: batadv0: Forced to purge local tt entries to fit new maximum fragment MTU (-320) [ 129.681386][ T3637] batman_adv: batadv0: Forced to purge local tt entries to fit new maximum fragment MTU (-320) [ 129.682535][ T3637] batman_adv: batadv0: Forced to purge local tt entries to fit new maximum fragment MTU (-320) [ 129.683698][ T3637] batman_adv: batadv0: Forced to purge local tt entries to fit new maximum fragment MTU (-320) [ 129.684854][ T3637] batman_adv: batadv0: Forced to purge local tt entries to fit new maximum fragment MTU (-320) [ 129.686006][ T3637] batman_adv: batadv0: Forced to purge local tt entries to fit new maximum fragment MTU (-320) [ 129.687155][ T3637] batman_adv: batadv0: Forced to purge local tt entries to fit new maximum fragment MTU (-320) [ 129.688300][ T3637] batman_adv: batadv0: Forced to purge local tt entries to fit new maximum fragment MTU (-320) [ 129.689531][ T3637] batman_adv: batadv0: Forced to purge local tt entries to fit new maximum fragment MTU (-320) [ 129.690789][ T3637] batman_adv: batadv0: Forced to purge local tt entries to fit new maximum fragment MTU (-320) [ 134.689970][ T3637] net_ratelimit: 4258 callbacks suppressed [ 134.689987][ T3637] batman_adv: batadv0: Forced to purge local tt entries to fit new maximum fragment MTU (-320) [ 134.691134][ T3637] batman_adv: batadv0: Forced to purge local tt entries to fit new maximum fragment MTU (-320) [ 134.692283][ T3637] batman_adv: batadv0: Forced to purge local tt entries to fit new maximum fragment MTU (-320) [ 134.693426][ T3637] batman_adv: batadv0: Forced to purge local tt entries to fit new maximum fragment MTU (-320) [ 134.694573][ T3637] batman_adv: batadv0: Forced to purge local tt entries to fit new maximum fragment MTU (-320) [ 134.695727][ T3637] batman_adv: batadv0: Forced to purge local tt entries to fit new maximum fragment MTU (-320) [ 134.696874][ T3637] batman_adv: batadv0: Forced to purge local tt entries to fit new maximum fragment MTU (-320) [ 134.698030][ T3637] batman_adv: batadv0: Forced to purge local tt entries to fit new maximum fragment MTU (-320) [ 134.699181][ T3637] batman_adv: batadv0: Forced to purge local tt entries to fit new maximum fragment MTU (-320) [ 134.700527][ T3637] batman_adv: batadv0: Forced to purge local tt entries to fit new maximum fragment MTU (-320) [ 139.699796][ T3637] net_ratelimit: 4268 callbacks suppressed [ 139.699813][ T3637] batman_adv: batadv0: Forced to purge local tt entries to fit new maximum fragment MTU (-320) [ 139.701023][ T3637] batman_adv: batadv0: Forced to purge local tt entries to fit new maximum fragment MTU (-320) [ 139.702181][ T3637] batman_adv: batadv0: Forced to purge local tt entries to fit new maximum fragment MTU (-320) [ 139.703342][ T3637] batman_adv: batadv0: Forced to purge local tt entries to fit new maximum fragment MTU (-320) [ 139.704495][ T3637] batman_adv: batadv0: Forced to purge local tt entries to fit new maximum fragment MTU (-320) [ 139.705639][ T3637] batman_adv: batadv0: Forced to purge local tt entries to fit new maximum fragment MTU (-320) [ 139.706789][ T3637] batman_adv: batadv0: Forced to purge local tt entries to fit new maximum fragment MTU (-320) [ 139.707942][ T3637] batman_adv: batadv0: Forced to purge local tt entries to fit new maximum fragment MTU (-320) [ 139.709105][ T3637] batman_adv: batadv0: Forced to purge local tt entries to fit new maximum fragment MTU (-320) [ 139.710625][ T3637] batman_adv: batadv0: Forced to purge local tt entries to fit new maximum fragment MTU (-320) [ 144.710077][ T3637] net_ratelimit: 4267 callbacks suppressed [ 144.710092][ T3637] batman_adv: batadv0: Forced to purge local tt entries to fit new maximum fragment MTU (-320) [ 144.711240][ T3637] batman_adv: batadv0: Forced to purge local tt entries to fit new maximum fragment MTU (-320) [ 144.712389][ T3637] batman_adv: batadv0: Forced to purge local tt entries to fit new maximum fragment MTU (-320) [ 144.713542][ T3637] batman_adv: batadv0: Forced to purge local tt entries to fit new maximum fragment MTU (-320) [ 144.714710][ T3637] batman_adv: batadv0: Forced to purge local tt entries to fit new maximum fragment MTU (-320) [ 144.715858][ T3637] batman_adv: batadv0: Forced to purge local tt entries to fit new maximum fragment MTU (-320) [ 144.717016][ T3637] batman_adv: batadv0: Forced to purge local tt entries to fit new maximum fragment MTU (-320) [ 144.718168][ T3637] batman_adv: batadv0: Forced to purge local tt entries to fit new maximum fragment MTU (-320) [ 144.719363][ T3637] batman_adv: batadv0: Forced to purge local tt entries to fit new maximum fragment MTU (-320) [ 144.720673][ T3637] batman_adv: batadv0: Forced to purge local tt entries to fit new maximum fragment MTU (-320) [ 149.719900][ T3637] net_ratelimit: 4269 callbacks suppressed [ 149.719917][ T3637] batman_adv: batadv0: Forced to purge local tt entries to fit new maximum fragment MTU (-320) [ 149.721086][ T3637] batman_adv: batadv0: Forced to purge local tt entries to fit new maximum fragment MTU (-320) [ 149.722234][ T3637] batman_adv: batadv0: Forced to purge local tt entries to fit new maximum fragment MTU (-320) [ 149.723383][ T3637] batman_adv: batadv0: Forced to purge local tt entries to fit new maximum fragment MTU (-320) [ 149.724531][ T3637] batman_adv: batadv0: Forced to purge local tt entries to fit new maximum fragment MTU (-320) [ 149.725675][ T3637] batman_adv: batadv0: Forced to purge local tt entries to fit new maximum fragment MTU (-320) [ 149.726824][ T3637] batman_adv: batadv0: Forced to purge local tt entries to fit new maximum fragment MTU (-320) [ 149.727966][ T3637] batman_adv: batadv0: Forced to purge local tt entries to fit new maximum fragment MTU (-320) [ 149.729115][ T3637] batman_adv: batadv0: Forced to purge local tt entries to fit new maximum fragment MTU (-320) [ 149.730485][ T3637] batman_adv: batadv0: Forced to purge local tt entries to fit new maximum fragment MTU (-320) [ 154.519303][ C0] rcu: INFO: rcu_preempt self-detected stall on CPU [ 156.704335][ C0] rcu: 0-...!: (10500 ticks this GP) idle=959/1/0x4000000000000000 softirq=5453/5453 fqs=0 [ 156.714846][ C0] (t=10715 jiffies g=4645 q=41 ncpus=2) [ 156.720464][ C0] rcu: rcu_preempt kthread timer wakeup didn't happen for 10719 jiffies! g4645 f0x0 RCU_GP_WAIT_FQS(5) ->state=0x402 [ 156.732700][ C0] rcu: Possible timer handling issue on cpu=0 timer-softirq=2552 [ 156.740497][ C0] rcu: rcu_preempt kthread starved for 10720 jiffies! g4645 f0x0 RCU_GP_WAIT_FQS(5) ->state=0x402 ->cpu=0 [ 156.751788][ C0] rcu: Unless rcu_preempt kthread gets sufficient CPU time, OOM is now expected behavior. [ 156.761747][ C0] rcu: RCU grace-period kthread stack dump: [ 156.767682][ C0] task:rcu_preempt state:I stack:28656 pid: 17 ppid: 2 flags:0x00004000 [ 156.776908][ C0] Call Trace: [ 156.780189][ C0] [ 156.783124][ C0] __schedule+0xa00/0x4b50 [ 156.787571][ C0] ? lockdep_hardirqs_on+0x79/0x100 [ 156.792783][ C0] ? io_schedule_timeout+0x140/0x140 [ 156.798062][ C0] ? debug_object_free+0x350/0x350 [ 156.803183][ C0] schedule+0xd2/0x1f0 [ 156.807270][ C0] schedule_timeout+0x14a/0x2a0 [ 156.812121][ C0] ? usleep_range_state+0x1b0/0x1b0 [ 156.817314][ C0] ? destroy_timer_on_stack+0x20/0x20 [ 156.822750][ C0] ? mac802154_wpan_open+0x2a90/0x2af0 [ 156.828243][ C0] ? _raw_spin_unlock_irqrestore+0x3d/0x70 [ 156.834051][ C0] ? prepare_to_swait_event+0xee/0x470 [ 156.839504][ C0] rcu_gp_fqs_loop+0x186/0x810 [ 156.844288][ C0] ? force_qs_rnp+0x800/0x800 [ 156.848964][ C0] ? _raw_spin_unlock_irqrestore+0x50/0x70 [ 156.854772][ C0] ? _raw_spin_unlock_irqrestore+0x50/0x70 [ 156.860575][ C0] rcu_gp_kthread+0x1de/0x320 [ 156.865260][ C0] ? rcu_gp_init+0x1420/0x1420 [ 156.870034][ C0] ? __kthread_parkme+0x15f/0x220 [ 156.875078][ C0] ? rcu_gp_init+0x1420/0x1420 [ 156.879854][ C0] kthread+0x2e9/0x3a0 [ 156.883924][ C0] ? kthread_complete_and_exit+0x40/0x40 [ 156.889552][ C0] ret_from_fork+0x1f/0x30 [ 156.893983][ C0] [ 156.896993][ C0] rcu: Stack dump where RCU GP kthread last ran: [ 156.903328][ C0] NMI backtrace for cpu 0 [ 156.907636][ C0] CPU: 0 PID: 3637 Comm: syz-executor270 Not tainted 5.19.0-rc3-syzkaller-00145-gab84db251c04 #0 [ 156.918122][ C0] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 156.928160][ C0] Call Trace: [ 156.931426][ C0] [ 156.934258][ C0] dump_stack_lvl+0xcd/0x134 [ 156.938853][ C0] nmi_cpu_backtrace.cold+0x47/0x144 [ 156.944128][ C0] ? lapic_can_unplug_cpu+0x80/0x80 [ 156.949329][ C0] nmi_trigger_cpumask_backtrace+0x1e6/0x230 [ 156.955321][ C0] rcu_check_gp_kthread_starvation.cold+0x1fb/0x200 [ 156.961916][ C0] rcu_sched_clock_irq.cold+0xfa/0x901 [ 156.967369][ C0] ? do_raw_spin_unlock+0x171/0x230 [ 156.972741][ C0] ? _raw_spin_unlock_irqrestore+0x3d/0x70 [ 156.978548][ C0] ? rcutree_dead_cpu+0x30/0x30 [ 156.983411][ C0] ? tick_sched_do_timer+0x470/0x470 [ 156.988720][ C0] update_process_times+0x11a/0x1a0 [ 156.993932][ C0] tick_sched_handle+0x9b/0x180 [ 156.998778][ C0] tick_sched_timer+0xee/0x120 [ 157.003536][ C0] __hrtimer_run_queues+0x1c0/0xe50 [ 157.008735][ C0] ? hrtimer_sleeper_start_expires+0x80/0x80 [ 157.014704][ C0] ? ktime_get_update_offsets_now+0x3eb/0x5c0 [ 157.020768][ C0] hrtimer_interrupt+0x31c/0x790 [ 157.025701][ C0] __sysvec_apic_timer_interrupt+0x146/0x530 [ 157.031679][ C0] sysvec_apic_timer_interrupt+0x8e/0xc0 [ 157.037312][ C0] [ 157.040245][ C0] [ 157.043177][ C0] asm_sysvec_apic_timer_interrupt+0x1b/0x20 [ 157.049253][ C0] RIP: 0010:rcu_is_watching+0x39/0xb0 [ 157.054650][ C0] Code: c7 c3 d0 ae 03 00 83 f8 07 89 c5 77 77 48 8d 3c ed e0 b8 7f 8b 48 b8 00 00 00 00 00 fc ff df 48 89 fa 48 c1 ea 03 80 3c 02 00 <75> 51 48 03 1c ed e0 b8 7f 8b 48 b8 00 00 00 00 00 fc ff df 48 89 [ 157.074268][ C0] RSP: 0018:ffffc900030cf250 EFLAGS: 00000246 [ 157.080327][ C0] RAX: dffffc0000000000 RBX: 000000000003aed0 RCX: ffffffff815e5b78 [ 157.088343][ C0] RDX: 1ffffffff16ff71c RSI: 0000000000000404 RDI: ffffffff8b7fb8e0 [ 157.096388][ C0] RBP: 0000000000000000 R08: 0000000000000000 R09: ffffffff8dbb8517 [ 157.104347][ C0] R10: fffffbfff1b770a2 R11: 0000000000000000 R12: 0000000000000001 [ 157.112304][ C0] R13: 0000000000000000 R14: ffff888070873ed8 R15: 0000000000000000 [ 157.120279][ C0] ? lock_acquire+0xb8/0x570 [ 157.124875][ C0] rcu_read_lock_sched_held+0x1c/0x70 [ 157.130237][ C0] lock_acquire+0x480/0x570 [ 157.134732][ C0] ? lock_release+0x780/0x780 [ 157.139400][ C0] ? batadv_tt_local_purge+0x285/0x370 [ 157.144861][ C0] ? mark_held_locks+0x9f/0xe0 [ 157.149619][ C0] ? __local_bh_enable_ip+0xa0/0x120 [ 157.154900][ C0] _raw_spin_lock_bh+0x2f/0x40 [ 157.159651][ C0] ? batadv_tt_local_purge+0x114/0x370 [ 157.165106][ C0] batadv_tt_local_purge+0x114/0x370 [ 157.170385][ C0] batadv_tt_local_resize_to_mtu+0x8e/0x130 [ 157.176269][ C0] batadv_hardif_activate_interface.part.0.cold+0x14c/0x1ba [ 157.183562][ C0] batadv_hardif_enable_interface+0xaba/0xac0 [ 157.189632][ C0] batadv_softif_slave_add+0x64/0x130 [ 157.194997][ C0] ? batadv_softif_slave_del+0x130/0x130 [ 157.200624][ C0] do_set_master+0x1c8/0x220 [ 157.205216][ C0] __rtnl_newlink+0x13ac/0x17e0 [ 157.210064][ C0] ? rtnl_link_unregister+0x250/0x250 [ 157.215433][ C0] ? find_held_lock+0x2d/0x110 [ 157.220281][ C0] ? rcu_read_lock_sched_held+0x3a/0x70 [ 157.225813][ C0] ? trace_kmalloc+0x32/0xf0 [ 157.230467][ C0] rtnl_newlink+0x64/0xa0 [ 157.234809][ C0] ? __rtnl_newlink+0x17e0/0x17e0 [ 157.239844][ C0] rtnetlink_rcv_msg+0x43a/0xc90 [ 157.244788][ C0] ? rtnl_fdb_dump+0x9a0/0x9a0 [ 157.249542][ C0] ? netdev_core_pick_tx+0x2e0/0x2e0 [ 157.254827][ C0] ? ref_tracker_free+0x370/0x6b0 [ 157.259842][ C0] ? ref_tracker_dir_exit+0x3e0/0x3e0 [ 157.265227][ C0] netlink_rcv_skb+0x153/0x420 [ 157.269994][ C0] ? rtnl_fdb_dump+0x9a0/0x9a0 [ 157.274765][ C0] ? netlink_ack+0xa80/0xa80 [ 157.279368][ C0] ? netlink_deliver_tap+0x1a2/0xc40 [ 157.284666][ C0] ? netlink_deliver_tap+0x1b1/0xc40 [ 157.289946][ C0] netlink_unicast+0x543/0x7f0 [ 157.294710][ C0] ? netlink_attachskb+0x880/0x880 [ 157.299809][ C0] ? __virt_addr_valid+0x5d/0x2d0 [ 157.304830][ C0] ? __phys_addr_symbol+0x2c/0x70 [ 157.309842][ C0] ? __check_object_size+0x2de/0x700 [ 157.315122][ C0] netlink_sendmsg+0x917/0xe10 [ 157.319881][ C0] ? netlink_unicast+0x7f0/0x7f0 [ 157.324813][ C0] ? bpf_lsm_socket_sendmsg+0x5/0x10 [ 157.330088][ C0] ? netlink_unicast+0x7f0/0x7f0 [ 157.335011][ C0] sock_sendmsg+0xcf/0x120 [ 157.339416][ C0] ____sys_sendmsg+0x6eb/0x810 [ 157.344171][ C0] ? kernel_sendmsg+0x50/0x50 [ 157.348835][ C0] ? do_recvmmsg+0x6d0/0x6d0 [ 157.353418][ C0] ? lockdep_hardirqs_on_prepare+0x400/0x400 [ 157.359390][ C0] ? lockdep_hardirqs_on+0x79/0x100 [ 157.364600][ C0] ___sys_sendmsg+0xf3/0x170 [ 157.369194][ C0] ? sendmsg_copy_msghdr+0x160/0x160 [ 157.374490][ C0] ? lock_release+0x780/0x780 [ 157.379153][ C0] ? ptrace_stop.part.0+0x5ec/0xa80 [ 157.384337][ C0] ? do_raw_spin_lock+0x120/0x2a0 [ 157.389366][ C0] ? rwlock_bug.part.0+0x90/0x90 [ 157.394294][ C0] ? _raw_spin_lock_irq+0x41/0x50 [ 157.399411][ C0] ? __fget_light+0x20a/0x270 [ 157.404092][ C0] __x64_sys_sendmsg+0x132/0x220 [ 157.409016][ C0] ? __sys_sendmsg+0x1b0/0x1b0 [ 157.413782][ C0] ? _raw_spin_unlock_irq+0x2a/0x40 [ 157.418964][ C0] ? ptrace_notify+0xfa/0x140 [ 157.423647][ C0] do_syscall_64+0x35/0xb0 [ 157.428064][ C0] entry_SYSCALL_64_after_hwframe+0x46/0xb0 [ 157.433943][ C0] RIP: 0033:0x7f5f9ce60d39 [ 157.438365][ C0] [ 157.440669][ C0] ================================ [ 157.445754][ C0] WARNING: inconsistent lock state [ 157.450836][ C0] 5.19.0-rc3-syzkaller-00145-gab84db251c04 #0 Not tainted [ 157.457920][ C0] -------------------------------- [ 157.463002][ C0] inconsistent {HARDIRQ-ON-W} -> {IN-HARDIRQ-W} usage. [ 157.469824][ C0] syz-executor270/3637 [HC1[1]:SC0[4]:HE0:SE0] takes: [ 157.476572][ C0] ffffffff8beb8818 (vmap_area_lock){?.+.}-{2:2}, at: find_vmap_area+0x1c/0x130 [ 157.485544][ C0] {HARDIRQ-ON-W} state was registered at: [ 157.491411][ C0] lock_acquire+0x1ab/0x570 [ 157.496000][ C0] _raw_spin_lock+0x2a/0x40 [ 157.500568][ C0] alloc_vmap_area+0xa49/0x1f00 [ 157.505488][ C0] __get_vm_area_node+0x142/0x3f0 [ 157.510580][ C0] get_vm_area_caller+0x43/0x50 [ 157.515499][ C0] __ioremap_caller.constprop.0+0x292/0x600 [ 157.521638][ C0] acpi_os_map_iomem+0x463/0x550 [ 157.526645][ C0] acpi_tb_acquire_table+0xd8/0x209 [ 157.531924][ C0] acpi_tb_validate_table+0x50/0x8c [ 157.537190][ C0] acpi_tb_verify_temp_table+0x84/0x674 [ 157.542804][ C0] acpi_reallocate_root_table+0x374/0x3e0 [ 157.548591][ C0] acpi_early_init+0x13a/0x438 [ 157.553421][ C0] start_kernel+0x3cf/0x48f [ 157.557995][ C0] secondary_startup_64_no_verify+0xce/0xdb [ 157.563956][ C0] irq event stamp: 366557083 [ 157.568521][ C0] hardirqs last enabled at (366557082): [] __local_bh_enable_ip+0xa0/0x120 [ 157.578737][ C0] hardirqs last disabled at (366557083): [] sysvec_apic_timer_interrupt+0xb/0xc0 [ 157.589397][ C0] softirqs last enabled at (1812): [] clusterip_netdev_event+0x419/0x650 [ 157.599451][ C0] softirqs last disabled at (1824): [] batadv_tt_local_resize_to_mtu+0x7d/0x130 [ 157.610072][ C0] [ 157.610072][ C0] other info that might help us debug this: [ 157.618106][ C0] Possible unsafe locking scenario: [ 157.618106][ C0] [ 157.625533][ C0] CPU0 [ 157.628790][ C0] ---- [ 157.632062][ C0] lock(vmap_area_lock); [ 157.636373][ C0] [ 157.639805][ C0] lock(vmap_area_lock); [ 157.644290][ C0] [ 157.644290][ C0] *** DEADLOCK *** [ 157.644290][ C0] [ 157.652410][ C0] 2 locks held by syz-executor270/3637: [ 157.657928][ C0] #0: ffffffff8d58e828 (rtnl_mutex){+.+.}-{3:3}, at: rtnetlink_rcv_msg+0x3e5/0xc90 [ 157.667302][ C0] #1: ffff888022009340 (&bat_priv->tt.commit_lock){+...}-{2:2}, at: batadv_tt_local_resize_to_mtu+0x7d/0x130 [ 157.678931][ C0] [ 157.678931][ C0] stack backtrace: [ 157.684824][ C0] CPU: 0 PID: 3637 Comm: syz-executor270 Not tainted 5.19.0-rc3-syzkaller-00145-gab84db251c04 #0 [ 157.695297][ C0] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 157.705343][ C0] Call Trace: [ 157.708606][ C0] [ 157.711465][ C0] dump_stack_lvl+0xcd/0x134 [ 157.716073][ C0] mark_lock.part.0.cold+0x18/0xd8 [ 157.721193][ C0] ? lock_chain_count+0x20/0x20 [ 157.726033][ C0] ? desc_read_finalized_seq+0x12a/0x1c0 [ 157.731652][ C0] ? memcpy+0x39/0x60 [ 157.735617][ C0] ? desc_read+0x2d6/0x380 [ 157.740053][ C0] ? _prb_read_valid+0x5f6/0x710 [ 157.744972][ C0] __lock_acquire+0x14ad/0x5660 [ 157.749844][ C0] ? __up_console_sem+0x47/0xc0 [ 157.754695][ C0] ? lockdep_hardirqs_on_prepare+0x400/0x400 [ 157.760680][ C0] lock_acquire+0x1ab/0x570 [ 157.765188][ C0] ? find_vmap_area+0x1c/0x130 [ 157.769960][ C0] ? lock_release+0x780/0x780 [ 157.774651][ C0] ? __console_emit_next_record+0xa60/0xa60 [ 157.780531][ C0] ? vprintk_emit+0x127/0x680 [ 157.785208][ C0] ? __down_trylock_console_sem+0xd0/0x120 [ 157.791006][ C0] ? __down_trylock_console_sem+0xd6/0x120 [ 157.796800][ C0] ? __wake_up_klogd.part.0+0x99/0xf0 [ 157.802168][ C0] _raw_spin_lock+0x2a/0x40 [ 157.806657][ C0] ? find_vmap_area+0x1c/0x130 [ 157.811401][ C0] find_vmap_area+0x1c/0x130 [ 157.815977][ C0] __check_object_size+0x1f8/0x700 [ 157.821068][ C0] ? record_print_text.cold+0x16/0x16 [ 157.826422][ C0] copy_from_user_nmi+0xcb/0x130 [ 157.831342][ C0] show_opcodes+0x59/0xb0 [ 157.835666][ C0] show_iret_regs+0xd/0x33 [ 157.840074][ C0] __show_regs+0x1e/0x60 [ 157.844303][ C0] ? entry_SYSCALL_64_after_hwframe+0x46/0xb0 [ 157.850355][ C0] show_trace_log_lvl+0x25b/0x2ba [ 157.855360][ C0] ? entry_SYSCALL_64_after_hwframe+0x46/0xb0 [ 157.861550][ C0] ? irq_force_complete_move+0xf1/0x160 [ 157.867080][ C0] dump_stack_lvl+0xcd/0x134 [ 157.871654][ C0] nmi_cpu_backtrace.cold+0x47/0x144 [ 157.876940][ C0] ? lapic_can_unplug_cpu+0x80/0x80 [ 157.882126][ C0] nmi_trigger_cpumask_backtrace+0x1e6/0x230 [ 157.888091][ C0] rcu_check_gp_kthread_starvation.cold+0x1fb/0x200 [ 157.894662][ C0] rcu_sched_clock_irq.cold+0xfa/0x901 [ 157.900117][ C0] ? do_raw_spin_unlock+0x171/0x230 [ 157.905332][ C0] ? _raw_spin_unlock_irqrestore+0x3d/0x70 [ 157.911132][ C0] ? rcutree_dead_cpu+0x30/0x30 [ 157.915987][ C0] ? tick_sched_do_timer+0x470/0x470 [ 157.921263][ C0] update_process_times+0x11a/0x1a0 [ 157.926455][ C0] tick_sched_handle+0x9b/0x180 [ 157.931298][ C0] tick_sched_timer+0xee/0x120 [ 157.936048][ C0] __hrtimer_run_queues+0x1c0/0xe50 [ 157.941251][ C0] ? hrtimer_sleeper_start_expires+0x80/0x80 [ 157.947213][ C0] ? ktime_get_update_offsets_now+0x3eb/0x5c0 [ 157.953277][ C0] hrtimer_interrupt+0x31c/0x790 [ 157.958212][ C0] __sysvec_apic_timer_interrupt+0x146/0x530 [ 157.964189][ C0] sysvec_apic_timer_interrupt+0x8e/0xc0 [ 157.969819][ C0] [ 157.972740][ C0] [ 157.975656][ C0] asm_sysvec_apic_timer_interrupt+0x1b/0x20 [ 157.981628][ C0] RIP: 0010:rcu_is_watching+0x39/0xb0 [ 157.986996][ C0] Code: c7 c3 d0 ae 03 00 83 f8 07 89 c5 77 77 48 8d 3c ed e0 b8 7f 8b 48 b8 00 00 00 00 00 fc ff df 48 89 fa 48 c1 ea 03 80 3c 02 00 <75> 51 48 03 1c ed e0 b8 7f 8b 48 b8 00 00 00 00 00 fc ff df 48 89 [ 158.006596][ C0] RSP: 0018:ffffc900030cf250 EFLAGS: 00000246 [ 158.012649][ C0] RAX: dffffc0000000000 RBX: 000000000003aed0 RCX: ffffffff815e5b78 [ 158.020601][ C0] RDX: 1ffffffff16ff71c RSI: 0000000000000404 RDI: ffffffff8b7fb8e0 [ 158.028562][ C0] RBP: 0000000000000000 R08: 0000000000000000 R09: ffffffff8dbb8517 [ 158.036534][ C0] R10: fffffbfff1b770a2 R11: 0000000000000000 R12: 0000000000000001 [ 158.044510][ C0] R13: 0000000000000000 R14: ffff888070873ed8 R15: 0000000000000000 [ 158.052474][ C0] ? lock_acquire+0xb8/0x570 [ 158.057070][ C0] rcu_read_lock_sched_held+0x1c/0x70 [ 158.062438][ C0] lock_acquire+0x480/0x570 [ 158.066939][ C0] ? lock_release+0x780/0x780 [ 158.071673][ C0] ? batadv_tt_local_purge+0x285/0x370 [ 158.077132][ C0] ? mark_held_locks+0x9f/0xe0 [ 158.081892][ C0] ? __local_bh_enable_ip+0xa0/0x120 [ 158.087170][ C0] _raw_spin_lock_bh+0x2f/0x40 [ 158.091923][ C0] ? batadv_tt_local_purge+0x114/0x370 [ 158.097374][ C0] batadv_tt_local_purge+0x114/0x370 [ 158.102650][ C0] batadv_tt_local_resize_to_mtu+0x8e/0x130 [ 158.108529][ C0] batadv_hardif_activate_interface.part.0.cold+0x14c/0x1ba [ 158.115803][ C0] batadv_hardif_enable_interface+0xaba/0xac0 [ 158.121860][ C0] batadv_softif_slave_add+0x64/0x130 [ 158.127213][ C0] ? batadv_softif_slave_del+0x130/0x130 [ 158.132825][ C0] do_set_master+0x1c8/0x220 [ 158.137402][ C0] __rtnl_newlink+0x13ac/0x17e0 [ 158.142251][ C0] ? rtnl_link_unregister+0x250/0x250 [ 158.147604][ C0] ? find_held_lock+0x2d/0x110 [ 158.152372][ C0] ? rcu_read_lock_sched_held+0x3a/0x70 [ 158.157902][ C0] ? trace_kmalloc+0x32/0xf0 [ 158.162477][ C0] rtnl_newlink+0x64/0xa0 [ 158.166789][ C0] ? __rtnl_newlink+0x17e0/0x17e0 [ 158.171792][ C0] rtnetlink_rcv_msg+0x43a/0xc90 [ 158.176713][ C0] ? rtnl_fdb_dump+0x9a0/0x9a0 [ 158.181459][ C0] ? netdev_core_pick_tx+0x2e0/0x2e0 [ 158.186726][ C0] ? ref_tracker_free+0x370/0x6b0 [ 158.191736][ C0] ? ref_tracker_dir_exit+0x3e0/0x3e0 [ 158.197089][ C0] netlink_rcv_skb+0x153/0x420 [ 158.201834][ C0] ? rtnl_fdb_dump+0x9a0/0x9a0 [ 158.206582][ C0] ? netlink_ack+0xa80/0xa80 [ 158.211149][ C0] ? netlink_deliver_tap+0x1a2/0xc40 [ 158.216414][ C0] ? netlink_deliver_tap+0x1b1/0xc40 [ 158.221723][ C0] netlink_unicast+0x543/0x7f0 [ 158.226470][ C0] ? netlink_attachskb+0x880/0x880 [ 158.231572][ C0] ? __virt_addr_valid+0x5d/0x2d0 [ 158.236581][ C0] ? __phys_addr_symbol+0x2c/0x70 [ 158.241586][ C0] ? __check_object_size+0x2de/0x700 [ 158.246854][ C0] netlink_sendmsg+0x917/0xe10 [ 158.251615][ C0] ? netlink_unicast+0x7f0/0x7f0 [ 158.256533][ C0] ? bpf_lsm_socket_sendmsg+0x5/0x10 [ 158.261798][ C0] ? netlink_unicast+0x7f0/0x7f0 [ 158.266717][ C0] sock_sendmsg+0xcf/0x120 [ 158.271116][ C0] ____sys_sendmsg+0x6eb/0x810 [ 158.275865][ C0] ? kernel_sendmsg+0x50/0x50 [ 158.280544][ C0] ? do_recvmmsg+0x6d0/0x6d0 [ 158.285146][ C0] ? lockdep_hardirqs_on_prepare+0x400/0x400 [ 158.291126][ C0] ? lockdep_hardirqs_on+0x79/0x100 [ 158.296343][ C0] ___sys_sendmsg+0xf3/0x170 [ 158.300934][ C0] ? sendmsg_copy_msghdr+0x160/0x160 [ 158.306219][ C0] ? lock_release+0x780/0x780 [ 158.310907][ C0] ? ptrace_stop.part.0+0x5ec/0xa80 [ 158.316108][ C0] ? do_raw_spin_lock+0x120/0x2a0 [ 158.321113][ C0] ? rwlock_bug.part.0+0x90/0x90 [ 158.326031][ C0] ? _raw_spin_lock_irq+0x41/0x50 [ 158.331064][ C0] ? __fget_light+0x20a/0x270 [ 158.335744][ C0] __x64_sys_sendmsg+0x132/0x220 [ 158.340671][ C0] ? __sys_sendmsg+0x1b0/0x1b0 [ 158.345444][ C0] ? _raw_spin_unlock_irq+0x2a/0x40 [ 158.350637][ C0] ? ptrace_notify+0xfa/0x140 [ 158.355318][ C0] do_syscall_64+0x35/0xb0 [ 158.359734][ C0] entry_SYSCALL_64_after_hwframe+0x46/0xb0 [ 158.365627][ C0] RIP: 0033:0x7f5f9ce60d39 [ 158.370063][ C0] 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 [ 158.389688][ C0] RSP: 002b:00007ffc93da6178 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 158.398111][ C0] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f5f9ce60d39 [ 158.406079][ C0] RDX: 0000000000000000 RSI: 0000000020000080 RDI: 0000000000000005 [ 158.414043][ C0] RBP: 0000000000000000 R08: 000000000000000d R09: 000000000000000d [ 158.422008][ C0] R10: 000000000000000d R11: 0000000000000246 R12: 00007ffc93da6190 [ 158.429988][ C0] R13: 00000000000f4240 R14: 0000000000000000 R15: 0000000000000000 [ 158.437962][ C0] [ 158.440974][ C0] 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 [ 158.460576][ C0] RSP: 002b:00007ffc93da6178 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 158.468979][ C0] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f5f9ce60d39 [ 158.476946][ C0] RDX: 0000000000000000 RSI: 0000000020000080 RDI: 0000000000000005 [ 158.484908][ C0] RBP: 0000000000000000 R08: 000000000000000d R09: 000000000000000d [ 158.492868][ C0] R10: 000000000000000d R11: 0000000000000246 R12: 00007ffc93da6190 [ 158.500840][ C0] R13: 00000000000f4240 R14: 0000000000000000 R15: 0000000000000000 [ 158.508803][ C0] [ 158.511823][ C0] NMI backtrace for cpu 0 [ 158.516129][ C0] CPU: 0 PID: 3637 Comm: syz-executor270 Not tainted 5.19.0-rc3-syzkaller-00145-gab84db251c04 #0 [ 158.526614][ C0] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 158.536654][ C0] Call Trace: [ 158.539921][ C0] [ 158.542757][ C0] dump_stack_lvl+0xcd/0x134 [ 158.547334][ C0] nmi_cpu_backtrace.cold+0x47/0x144 [ 158.552607][ C0] ? lapic_can_unplug_cpu+0x80/0x80 [ 158.557809][ C0] nmi_trigger_cpumask_backtrace+0x1e6/0x230 [ 158.563774][ C0] rcu_dump_cpu_stacks+0x262/0x3f0 [ 158.568873][ C0] rcu_sched_clock_irq.cold+0x144/0x901 [ 158.574406][ C0] ? do_raw_spin_unlock+0x171/0x230 [ 158.579592][ C0] ? _raw_spin_unlock_irqrestore+0x3d/0x70 [ 158.585390][ C0] ? rcutree_dead_cpu+0x30/0x30 [ 158.590252][ C0] ? tick_sched_do_timer+0x470/0x470 [ 158.595521][ C0] update_process_times+0x11a/0x1a0 [ 158.600702][ C0] tick_sched_handle+0x9b/0x180 [ 158.605544][ C0] tick_sched_timer+0xee/0x120 [ 158.610305][ C0] __hrtimer_run_queues+0x1c0/0xe50 [ 158.615506][ C0] ? hrtimer_sleeper_start_expires+0x80/0x80 [ 158.621478][ C0] ? ktime_get_update_offsets_now+0x3eb/0x5c0 [ 158.627545][ C0] hrtimer_interrupt+0x31c/0x790 [ 158.632487][ C0] __sysvec_apic_timer_interrupt+0x146/0x530 [ 158.638471][ C0] sysvec_apic_timer_interrupt+0x8e/0xc0 [ 158.644100][ C0] [ 158.647017][ C0] [ 158.649946][ C0] asm_sysvec_apic_timer_interrupt+0x1b/0x20 [ 158.655920][ C0] RIP: 0010:rcu_is_watching+0x39/0xb0 [ 158.661278][ C0] Code: c7 c3 d0 ae 03 00 83 f8 07 89 c5 77 77 48 8d 3c ed e0 b8 7f 8b 48 b8 00 00 00 00 00 fc ff df 48 89 fa 48 c1 ea 03 80 3c 02 00 <75> 51 48 03 1c ed e0 b8 7f 8b 48 b8 00 00 00 00 00 fc ff df 48 89 [ 158.680955][ C0] RSP: 0018:ffffc900030cf250 EFLAGS: 00000246 [ 158.687016][ C0] RAX: dffffc0000000000 RBX: 000000000003aed0 RCX: ffffffff815e5b78 [ 158.694976][ C0] RDX: 1ffffffff16ff71c RSI: 0000000000000404 RDI: ffffffff8b7fb8e0 [ 158.702938][ C0] RBP: 0000000000000000 R08: 0000000000000000 R09: ffffffff8dbb8517 [ 158.710900][ C0] R10: fffffbfff1b770a2 R11: 0000000000000000 R12: 0000000000000001 [ 158.718861][ C0] R13: 0000000000000000 R14: ffff888070873ed8 R15: 0000000000000000 [ 158.726823][ C0] ? lock_acquire+0xb8/0x570 [ 158.731424][ C0] rcu_read_lock_sched_held+0x1c/0x70 [ 158.736782][ C0] lock_acquire+0x480/0x570 [ 158.741270][ C0] ? lock_release+0x780/0x780 [ 158.745931][ C0] ? batadv_tt_local_purge+0x285/0x370 [ 158.751376][ C0] ? mark_held_locks+0x9f/0xe0 [ 158.756151][ C0] ? __local_bh_enable_ip+0xa0/0x120 [ 158.761421][ C0] _raw_spin_lock_bh+0x2f/0x40 [ 158.766169][ C0] ? batadv_tt_local_purge+0x114/0x370 [ 158.771612][ C0] batadv_tt_local_purge+0x114/0x370 [ 158.776886][ C0] batadv_tt_local_resize_to_mtu+0x8e/0x130 [ 158.782783][ C0] batadv_hardif_activate_interface.part.0.cold+0x14c/0x1ba [ 158.790057][ C0] batadv_hardif_enable_interface+0xaba/0xac0 [ 158.796127][ C0] batadv_softif_slave_add+0x64/0x130 [ 158.801482][ C0] ? batadv_softif_slave_del+0x130/0x130 [ 158.807107][ C0] do_set_master+0x1c8/0x220 [ 158.811683][ C0] __rtnl_newlink+0x13ac/0x17e0 [ 158.816520][ C0] ? rtnl_link_unregister+0x250/0x250 [ 158.821873][ C0] ? find_held_lock+0x2d/0x110 [ 158.826630][ C0] ? rcu_read_lock_sched_held+0x3a/0x70 [ 158.832179][ C0] ? trace_kmalloc+0x32/0xf0 [ 158.836755][ C0] rtnl_newlink+0x64/0xa0 [ 158.841065][ C0] ? __rtnl_newlink+0x17e0/0x17e0 [ 158.846069][ C0] rtnetlink_rcv_msg+0x43a/0xc90 [ 158.850989][ C0] ? rtnl_fdb_dump+0x9a0/0x9a0 [ 158.855734][ C0] ? netdev_core_pick_tx+0x2e0/0x2e0 [ 158.861018][ C0] ? ref_tracker_free+0x370/0x6b0 [ 158.866052][ C0] ? ref_tracker_dir_exit+0x3e0/0x3e0 [ 158.871421][ C0] netlink_rcv_skb+0x153/0x420 [ 158.876175][ C0] ? rtnl_fdb_dump+0x9a0/0x9a0 [ 158.880926][ C0] ? netlink_ack+0xa80/0xa80 [ 158.885495][ C0] ? netlink_deliver_tap+0x1a2/0xc40 [ 158.890776][ C0] ? netlink_deliver_tap+0x1b1/0xc40 [ 158.896059][ C0] netlink_unicast+0x543/0x7f0 [ 158.900816][ C0] ? netlink_attachskb+0x880/0x880 [ 158.905917][ C0] ? __virt_addr_valid+0x5d/0x2d0 [ 158.910947][ C0] ? __phys_addr_symbol+0x2c/0x70 [ 158.915977][ C0] ? __check_object_size+0x2de/0x700 [ 158.921251][ C0] netlink_sendmsg+0x917/0xe10 [ 158.926015][ C0] ? netlink_unicast+0x7f0/0x7f0 [ 158.930969][ C0] ? bpf_lsm_socket_sendmsg+0x5/0x10 [ 158.936288][ C0] ? netlink_unicast+0x7f0/0x7f0 [ 158.941219][ C0] sock_sendmsg+0xcf/0x120 [ 158.945636][ C0] ____sys_sendmsg+0x6eb/0x810 [ 158.950389][ C0] ? kernel_sendmsg+0x50/0x50 [ 158.955049][ C0] ? do_recvmmsg+0x6d0/0x6d0 [ 158.959634][ C0] ? lockdep_hardirqs_on_prepare+0x400/0x400 [ 158.965613][ C0] ? lockdep_hardirqs_on+0x79/0x100 [ 158.970796][ C0] ___sys_sendmsg+0xf3/0x170 [ 158.975368][ C0] ? sendmsg_copy_msghdr+0x160/0x160 [ 158.980637][ C0] ? lock_release+0x780/0x780 [ 158.985302][ C0] ? ptrace_stop.part.0+0x5ec/0xa80 [ 158.990501][ C0] ? do_raw_spin_lock+0x120/0x2a0 [ 158.995510][ C0] ? rwlock_bug.part.0+0x90/0x90 [ 159.000427][ C0] ? _raw_spin_lock_irq+0x41/0x50 [ 159.005447][ C0] ? __fget_light+0x20a/0x270 [ 159.010112][ C0] __x64_sys_sendmsg+0x132/0x220 [ 159.015034][ C0] ? __sys_sendmsg+0x1b0/0x1b0 [ 159.019793][ C0] ? _raw_spin_unlock_irq+0x2a/0x40 [ 159.024982][ C0] ? ptrace_notify+0xfa/0x140 [ 159.029645][ C0] do_syscall_64+0x35/0xb0 [ 159.034054][ C0] entry_SYSCALL_64_after_hwframe+0x46/0xb0 [ 159.039949][ C0] RIP: 0033:0x7f5f9ce60d39 [ 159.044373][ C0] 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 [ 159.063969][ C0] RSP: 002b:00007ffc93da6178 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 159.072365][ C0] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f5f9ce60d39 [ 159.080317][ C0] RDX: 0000000000000000 RSI: 0000000020000080 RDI: 0000000000000005 [ 159.088287][ C0] RBP: 0000000000000000 R08: 000000000000000d R09: 000000000000000d [ 159.096241][ C0] R10: 000000000000000d R11: 0000000000000246 R12: 00007ffc93da6190 [ 159.104368][ C0] R13: 00000000000f4240 R14: 0000000000000000 R15: 0000000000000000 [ 159.112342][ C0]