./strace-static-x86_64 -e \!wait4,clock_nanosleep,nanosleep -s 100 -x -f ./syz-executor2491733978 <...> forked to background, child pid 3209 no interfaces have a carrier [ 50.534696][ T3210] 8021q: adding VLAN 0 to HW filter on device bond0 [ 50.562396][ T3210] eql: remember to turn off Van-Jacobson compression on your slave devices Starting sshd: OK syzkaller syzkaller login: [ 86.595241][ T14] cfg80211: failed to load regulatory.db Warning: Permanently added '10.128.0.30' (ECDSA) to the list of known hosts. execve("./syz-executor2491733978", ["./syz-executor2491733978"], 0x7ffff5f962c0 /* 10 vars */) = 0 brk(NULL) = 0x55555676a000 brk(0x55555676ac40) = 0x55555676ac40 arch_prctl(ARCH_SET_FS, 0x55555676a300) = 0 uname({sysname="Linux", nodename="syzkaller", ...}) = 0 readlink("/proc/self/exe", "/root/syz-executor2491733978", 4096) = 28 brk(0x55555678bc40) = 0x55555678bc40 brk(0x55555678c000) = 0x55555678c000 mprotect(0x7f1c9ae42000, 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 3642 attached , child_tidptr=0x55555676a5d0) = 3642 [pid 3642] mount(NULL, "/sys/fs/fuse/connections", "fusectl", 0, NULL) = -1 EBUSY (Device or resource busy) [pid 3642] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 3642] setsid() = 1 [pid 3642] prlimit64(0, RLIMIT_AS, {rlim_cur=204800*1024, rlim_max=204800*1024}, NULL) = 0 [pid 3642] prlimit64(0, RLIMIT_MEMLOCK, {rlim_cur=32768*1024, rlim_max=32768*1024}, NULL) = 0 [pid 3642] prlimit64(0, RLIMIT_FSIZE, {rlim_cur=139264*1024, rlim_max=139264*1024}, NULL) = 0 [pid 3642] prlimit64(0, RLIMIT_STACK, {rlim_cur=1024*1024, rlim_max=1024*1024}, NULL) = 0 [pid 3642] prlimit64(0, RLIMIT_CORE, {rlim_cur=131072*1024, rlim_max=131072*1024}, NULL) = 0 [pid 3642] prlimit64(0, RLIMIT_NOFILE, {rlim_cur=256, rlim_max=256}, NULL) = 0 [pid 3642] unshare(CLONE_NEWNS) = 0 [pid 3642] mount(NULL, "/", NULL, MS_REC|MS_PRIVATE, NULL) = 0 [pid 3642] unshare(CLONE_NEWIPC) = 0 [pid 3642] unshare(CLONE_NEWCGROUP) = 0 [pid 3642] unshare(CLONE_NEWUTS) = 0 [pid 3642] unshare(CLONE_SYSVSEM) = 0 [pid 3642] openat(AT_FDCWD, "/proc/sys/kernel/shmmax", O_WRONLY|O_CLOEXEC) = 3 [pid 3642] write(3, "16777216", 8) = 8 [pid 3642] close(3) = 0 [pid 3642] openat(AT_FDCWD, "/proc/sys/kernel/shmall", O_WRONLY|O_CLOEXEC) = 3 [pid 3642] write(3, "536870912", 9) = 9 [pid 3642] close(3) = 0 [pid 3642] openat(AT_FDCWD, "/proc/sys/kernel/shmmni", O_WRONLY|O_CLOEXEC) = 3 [pid 3642] write(3, "1024", 4) = 4 [pid 3642] close(3) = 0 [pid 3642] openat(AT_FDCWD, "/proc/sys/kernel/msgmax", O_WRONLY|O_CLOEXEC) = 3 [pid 3642] write(3, "8192", 4) = 4 [pid 3642] close(3) = 0 [pid 3642] openat(AT_FDCWD, "/proc/sys/kernel/msgmni", O_WRONLY|O_CLOEXEC) = 3 [pid 3642] write(3, "1024", 4) = 4 [pid 3642] close(3) = 0 [pid 3642] openat(AT_FDCWD, "/proc/sys/kernel/msgmnb", O_WRONLY|O_CLOEXEC) = 3 [pid 3642] write(3, "1024", 4) = 4 [pid 3642] close(3) = 0 [pid 3642] openat(AT_FDCWD, "/proc/sys/kernel/sem", O_WRONLY|O_CLOEXEC) = 3 [pid 3642] write(3, "1024 1048576 500 1024", 21) = 21 [pid 3642] close(3) = 0 [pid 3642] getpid() = 1 [pid 3642] capget({version=_LINUX_CAPABILITY_VERSION_3, pid=1}, {effective=1< b6 14 02 4c 89 f8 83 e0 07 83 c0 01 38 d0 7c 08 84 d2 0f 85 47 [ 111.147381][ T154] RSP: 0018:ffffc90002e4ec40 EFLAGS: 00010202 [ 111.153474][ T154] RAX: dffffc0000000000 RBX: ffff88801f5817c0 RCX: 0000000000000000 [ 111.161603][ T154] RDX: 0000000000000001 RSI: ffffffff87f06d8d RDI: ffff88801f5817c8 [ 111.169608][ T154] RBP: 0000000000000000 R08: 0000000000000004 R09: 0000000000000001 [ 111.177782][ T154] R10: 0000000000000000 R11: 0000000000000001 R12: ffff8880719c9a00 [ 111.186044][ T154] R13: 0000000000000000 R14: 0000000000000000 R15: 000000000000000a [ 111.194334][ T154] FS: 0000000000000000(0000) GS:ffff8880b9b00000(0000) knlGS:0000000000000000 [ 111.203302][ T154] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 111.210799][ T154] CR2: 0000000020000080 CR3: 000000000c28e000 CR4: 00000000003506e0 [ 111.218913][ T154] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 111.226992][ T154] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 111.234993][ T154] Call Trace: [ 111.238283][ T154] [ 111.241245][ T154] __tcf_em_tree_match+0x153/0x560 [ 111.246389][ T154] ? tcf_em_tree_dump+0x870/0x870 [ 111.251459][ T154] ? lockdep_unlock+0x11b/0x290 [ 111.256339][ T154] ? __lock_acquire+0x2567/0x56d0 [ 111.261422][ T154] basic_classify+0x206/0x330 [ 111.266137][ T154] tcf_classify+0x3ec/0xa40 [ 111.270722][ T154] prio_enqueue+0x3ab/0x790 [ 111.275334][ T154] ? prio_reset+0xf0/0xf0 [ 111.279687][ T154] ? do_raw_spin_lock+0x124/0x2b0 [ 111.284734][ T154] dev_qdisc_enqueue+0x46/0x390 [ 111.289636][ T154] __dev_queue_xmit+0x2279/0x3ba0 [ 111.294707][ T154] ? __local_bh_enable_ip+0xa4/0x130 [ 111.300040][ T154] ? netdev_core_pick_tx+0x2e0/0x2e0 [ 111.305361][ T154] ? find_held_lock+0x2d/0x110 [ 111.310332][ T154] ? __ip_finish_output+0x396/0x650 [ 111.315556][ T154] ? mark_held_locks+0x9f/0xe0 [ 111.320354][ T154] ? ip_finish_output2+0x1bd0/0x2180 [ 111.325752][ T154] ip_finish_output2+0x14e3/0x2180 [ 111.330893][ T154] ? ip_fragment.constprop.0+0x240/0x240 [ 111.336549][ T154] ? ip_mc_finish_output+0x5a0/0x5a0 [ 111.341855][ T154] ? get_random_u32+0x4e3/0x7d0 [ 111.346727][ T154] __ip_finish_output+0x396/0x650 [ 111.351780][ T154] ip_finish_output+0x31/0x280 [ 111.356568][ T154] ip_output+0x1a3/0x320 [ 111.360832][ T154] ip_local_out+0xb3/0x1a0 [ 111.365271][ T154] iptunnel_xmit+0x67e/0x9f0 [ 111.369896][ T154] geneve_xmit+0x1318/0x4910 [ 111.374532][ T154] ? geneve_init_net+0x310/0x310 [ 111.379493][ T154] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 111.385424][ T154] ? skb_crc32c_csum_help+0x80/0x80 [ 111.390659][ T154] dev_hard_start_xmit+0x1c2/0x990 [ 111.395803][ T154] __dev_queue_xmit+0x2cdf/0x3ba0 [ 111.400863][ T154] ? netdev_core_pick_tx+0x2e0/0x2e0 [ 111.406706][ T154] ? find_held_lock+0x2d/0x110 [ 111.411503][ T154] ? ip6_finish_output2+0x56c/0x1530 [ 111.416824][ T154] ? mark_held_locks+0x9f/0xe0 [ 111.421632][ T154] ? memcpy+0x3d/0x60 [ 111.425652][ T154] neigh_resolve_output+0x51b/0x840 [ 111.430883][ T154] ip6_finish_output2+0x56c/0x1530 [ 111.436028][ T154] ip6_finish_output+0x694/0x1170 [ 111.441097][ T154] ip6_output+0x1f1/0x540 [ 111.445469][ T154] ndisc_send_skb+0xa63/0x1740 [ 111.450263][ T154] ? ndisc_ifinfo_sysctl_change+0x600/0x600 [ 111.456182][ T154] ? sock_lock_init+0x23/0x650 [ 111.460977][ T154] ? ndisc_net_init+0x220/0x220 [ 111.465868][ T154] ? memcpy+0x3d/0x60 [ 111.469890][ T154] ? find_held_lock+0x2d/0x110 [ 111.475037][ T154] ndisc_send_ns+0xaa/0x130 [ 111.479572][ T154] ? pndisc_redo+0x30/0x30 [ 111.484023][ T154] ? __local_bh_enable_ip+0xa4/0x130 [ 111.489329][ T154] addrconf_dad_work+0xbf4/0x12d0 [ 111.494389][ T154] ? addrconf_dad_completed+0xd80/0xd80 [ 111.499963][ T154] process_one_work+0x9bf/0x1710 [ 111.505383][ T154] ? pwq_dec_nr_in_flight+0x2a0/0x2a0 [ 111.510791][ T154] ? rwlock_bug.part.0+0x90/0x90 [ 111.515750][ T154] ? _raw_spin_lock_irq+0x45/0x50 [ 111.520805][ T154] worker_thread+0x669/0x1090 [ 111.525512][ T154] ? __kthread_parkme+0x163/0x220 [ 111.530658][ T154] ? process_one_work+0x1710/0x1710 [ 111.535971][ T154] kthread+0x2e8/0x3a0 [ 111.540055][ T154] ? kthread_complete_and_exit+0x40/0x40 [ 111.545718][ T154] ret_from_fork+0x1f/0x30 [ 111.550185][ T154] [ 111.553218][ T154] Modules linked in: [ 111.557209][ T154] ---[ end trace 0000000000000000 ]--- [ 111.562721][ T154] RIP: 0010:em_cmp_match+0x55/0x670 [ 111.568096][ T154] Code: 48 89 fa 48 c1 ea 03 80 3c 02 00 0f 85 b0 05 00 00 48 b8 00 00 00 00 00 fc ff df 48 8b 6b 08 4c 8d 7d 0a 4c 89 fa 48 c1 ea 03 <0f> b6 14 02 4c 89 f8 83 e0 07 83 c0 01 38 d0 7c 08 84 d2 0f 85 47 [ 111.587753][ T154] RSP: 0018:ffffc90002e4ec40 EFLAGS: 00010202 [ 111.593863][ T154] RAX: dffffc0000000000 RBX: ffff88801f5817c0 RCX: 0000000000000000 [ 111.601861][ T154] RDX: 0000000000000001 RSI: ffffffff87f06d8d RDI: ffff88801f5817c8 [ 111.609903][ T154] RBP: 0000000000000000 R08: 0000000000000004 R09: 0000000000000001 [ 111.617942][ T154] R10: 0000000000000000 R11: 0000000000000001 R12: ffff8880719c9a00 [ 111.626003][ T154] R13: 0000000000000000 R14: 0000000000000000 R15: 000000000000000a [ 111.634126][ T154] FS: 0000000000000000(0000) GS:ffff8880b9b00000(0000) knlGS:0000000000000000 [ 111.643263][ T154] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 111.649899][ T154] CR2: 0000000020000080 CR3: 000000000c28e000 CR4: 00000000003506e0 [ 111.657926][ T154] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 111.665940][ T154] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 111.673969][ T154] Kernel panic - not syncing: Fatal exception in interrupt [ 111.681403][ T154] Kernel Offset: disabled [ 111.685734][ T154] Rebooting in 86400 seconds..