./strace-static-x86_64 -e \!wait4,clock_nanosleep,nanosleep -s 100 -x -f ./syz-executor140214857 <...> forked to background, child pid 3206 [ 31.536352][ T3207] 8021q: adding VLAN 0 to HW filter on device bond0 [ 31.547482][ T3207] eql: remember to turn off Van-Jacobson compression on your slave devices Starting sshd: [ 32.012030][ T3299] sshd (3299) used greatest stack depth: 22376 bytes left OK syzkaller Warning: Permanently added '10.128.0.151' (ECDSA) to the list of known hosts. execve("./syz-executor140214857", ["./syz-executor140214857"], 0x7ffc47f586b0 /* 10 vars */) = 0 brk(NULL) = 0x5555566f8000 brk(0x5555566f8c40) = 0x5555566f8c40 arch_prctl(ARCH_SET_FS, 0x5555566f8300) = 0 uname({sysname="Linux", nodename="syzkaller", ...}) = 0 readlink("/proc/self/exe", "/root/syz-executor140214857", 4096) = 27 brk(0x555556719c40) = 0x555556719c40 brk(0x55555671a000) = 0x55555671a000 mprotect(0x7f050a00c000, 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 3636 attached , child_tidptr=0x5555566f85d0) = 3636 [pid 3636] mount(NULL, "/sys/fs/fuse/connections", "fusectl", 0, NULL) = -1 EBUSY (Device or resource busy) [pid 3636] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 3636] setsid() = 1 [pid 3636] prlimit64(0, RLIMIT_AS, {rlim_cur=204800*1024, rlim_max=204800*1024}, NULL) = 0 [pid 3636] prlimit64(0, RLIMIT_MEMLOCK, {rlim_cur=32768*1024, rlim_max=32768*1024}, NULL) = 0 [pid 3636] prlimit64(0, RLIMIT_FSIZE, {rlim_cur=139264*1024, rlim_max=139264*1024}, NULL) = 0 [pid 3636] prlimit64(0, RLIMIT_STACK, {rlim_cur=1024*1024, rlim_max=1024*1024}, NULL) = 0 [pid 3636] prlimit64(0, RLIMIT_CORE, {rlim_cur=131072*1024, rlim_max=131072*1024}, NULL) = 0 [pid 3636] prlimit64(0, RLIMIT_NOFILE, {rlim_cur=256, rlim_max=256}, NULL) = 0 [pid 3636] unshare(CLONE_NEWNS) = 0 [pid 3636] mount(NULL, "/", NULL, MS_REC|MS_PRIVATE, NULL) = 0 [pid 3636] unshare(CLONE_NEWIPC) = 0 [pid 3636] unshare(CLONE_NEWCGROUP) = 0 [pid 3636] unshare(CLONE_NEWUTS) = 0 [pid 3636] unshare(CLONE_SYSVSEM) = 0 [pid 3636] openat(AT_FDCWD, "/proc/sys/kernel/shmmax", O_WRONLY|O_CLOEXEC) = 3 [pid 3636] write(3, "16777216", 8) = 8 [pid 3636] close(3) = 0 [pid 3636] openat(AT_FDCWD, "/proc/sys/kernel/shmall", O_WRONLY|O_CLOEXEC) = 3 [pid 3636] write(3, "536870912", 9) = 9 [pid 3636] close(3) = 0 [pid 3636] openat(AT_FDCWD, "/proc/sys/kernel/shmmni", O_WRONLY|O_CLOEXEC) = 3 [pid 3636] write(3, "1024", 4) = 4 [pid 3636] close(3) = 0 [pid 3636] openat(AT_FDCWD, "/proc/sys/kernel/msgmax", O_WRONLY|O_CLOEXEC) = 3 [pid 3636] write(3, "8192", 4) = 4 [pid 3636] close(3) = 0 [pid 3636] openat(AT_FDCWD, "/proc/sys/kernel/msgmni", O_WRONLY|O_CLOEXEC) = 3 [pid 3636] write(3, "1024", 4) = 4 [pid 3636] close(3) = 0 [pid 3636] openat(AT_FDCWD, "/proc/sys/kernel/msgmnb", O_WRONLY|O_CLOEXEC) = 3 [pid 3636] write(3, "1024", 4) = 4 [pid 3636] close(3) = 0 [pid 3636] openat(AT_FDCWD, "/proc/sys/kernel/sem", O_WRONLY|O_CLOEXEC) = 3 [pid 3636] write(3, "1024 1048576 500 1024", 21) = 21 [pid 3636] close(3) = 0 [pid 3636] getpid() = 1 [pid 3636] 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 [ 53.343458][ T150] RSP: 0018:ffffc90002dfec40 EFLAGS: 00010202 [ 53.349507][ T150] RAX: dffffc0000000000 RBX: ffff88801cbee380 RCX: 0000000000000000 [ 53.357462][ T150] RDX: 0000000000000001 RSI: ffffffff87f208ad RDI: ffff88801cbee388 [ 53.365415][ T150] RBP: 0000000000000000 R08: 0000000000000004 R09: 0000000000000001 [ 53.373368][ T150] R10: 0000000000000000 R11: 0000000000000001 R12: ffff88801ee02280 [ 53.381321][ T150] R13: 0000000000000000 R14: 0000000000000000 R15: 000000000000000a [ 53.389279][ T150] FS: 0000000000000000(0000) GS:ffff8880b9a00000(0000) knlGS:0000000000000000 [ 53.398197][ T150] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 53.404769][ T150] CR2: 00007f0509fe11a8 CR3: 000000000c28e000 CR4: 00000000003506f0 [ 53.412725][ T150] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 53.420678][ T150] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 53.428632][ T150] Call Trace: [ 53.431894][ T150] [ 53.434807][ T150] ? ret_from_fork+0x1f/0x30 [ 53.439392][ T150] __tcf_em_tree_match+0x153/0x560 [ 53.444494][ T150] ? tcf_em_tree_dump+0x870/0x870 [ 53.449506][ T150] ? lockdep_unlock+0x11b/0x290 [ 53.454356][ T150] ? __lock_acquire+0x2567/0x56d0 [ 53.459393][ T150] basic_classify+0x206/0x330 [ 53.464058][ T150] tcf_classify+0x3cd/0xa10 [ 53.468560][ T150] prio_enqueue+0x3ab/0x790 [ 53.473054][ T150] ? prio_reset+0xf0/0xf0 [ 53.477374][ T150] ? do_raw_spin_lock+0x124/0x2b0 [ 53.482383][ T150] dev_qdisc_enqueue+0x46/0x390 [ 53.487224][ T150] __dev_queue_xmit+0x2279/0x3ba0 [ 53.492245][ T150] ? __local_bh_enable_ip+0xa4/0x130 [ 53.497514][ T150] ? netdev_core_pick_tx+0x2e0/0x2e0 [ 53.502818][ T150] ? find_held_lock+0x2d/0x110 [ 53.507571][ T150] ? __ip_finish_output+0x396/0x650 [ 53.512781][ T150] ? mark_held_locks+0x9f/0xe0 [ 53.517536][ T150] ? ip_finish_output2+0x1bd0/0x2180 [ 53.522811][ T150] ip_finish_output2+0x14e3/0x2180 [ 53.527922][ T150] ? ip_fragment.constprop.0+0x240/0x240 [ 53.533548][ T150] ? ip_mc_finish_output+0x5a0/0x5a0 [ 53.538827][ T150] ? ttyport_set_flow_control+0x153/0x220 [ 53.544539][ T150] __ip_finish_output+0x396/0x650 [ 53.549563][ T150] ip_finish_output+0x31/0x280 [ 53.554318][ T150] ip_output+0x1a3/0x320 [ 53.558549][ T150] ip_local_out+0xb3/0x1a0 [ 53.562973][ T150] iptunnel_xmit+0x67e/0x9f0 [ 53.567555][ T150] geneve_xmit+0x1318/0x4910 [ 53.572138][ T150] ? geneve_init_net+0x310/0x310 [ 53.577062][ T150] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 53.582947][ T150] ? skb_crc32c_csum_help+0x80/0x80 [ 53.588175][ T150] dev_hard_start_xmit+0x1c2/0x990 [ 53.593282][ T150] __dev_queue_xmit+0x2cdf/0x3ba0 [ 53.598301][ T150] ? netdev_core_pick_tx+0x2e0/0x2e0 [ 53.603575][ T150] ? find_held_lock+0x2d/0x110 [ 53.608328][ T150] ? ip6_finish_output2+0x56c/0x1530 [ 53.613599][ T150] ? mark_held_locks+0x9f/0xe0 [ 53.618352][ T150] ? memcpy+0x3d/0x60 [ 53.622321][ T150] neigh_resolve_output+0x51b/0x840 [ 53.627532][ T150] ip6_finish_output2+0x56c/0x1530 [ 53.632636][ T150] ip6_finish_output+0x694/0x1170 [ 53.637651][ T150] ip6_output+0x1f1/0x540 [ 53.641978][ T150] ndisc_send_skb+0xa63/0x1740 [ 53.646755][ T150] ? ndisc_ifinfo_sysctl_change+0x600/0x600 [ 53.652637][ T150] ? __copy_msghdr+0x383/0x4b0 [ 53.657408][ T150] ? ndisc_net_init+0x220/0x220 [ 53.662246][ T150] ? memcpy+0x3d/0x60 [ 53.666215][ T150] ? find_held_lock+0x2d/0x110 [ 53.670967][ T150] ndisc_send_ns+0xaa/0x130 [ 53.675462][ T150] ? pndisc_redo+0x30/0x30 [ 53.679870][ T150] ? __local_bh_enable_ip+0xa4/0x130 [ 53.685145][ T150] addrconf_dad_work+0xbf4/0x12d0 [ 53.690175][ T150] ? addrconf_dad_completed+0xd80/0xd80 [ 53.695712][ T150] process_one_work+0x9bf/0x1710 [ 53.700638][ T150] ? pwq_dec_nr_in_flight+0x2a0/0x2a0 [ 53.705993][ T150] ? rwlock_bug.part.0+0x90/0x90 [ 53.710955][ T150] ? _raw_spin_lock_irq+0x45/0x50 [ 53.715990][ T150] worker_thread+0x669/0x1090 [ 53.720657][ T150] ? __kthread_parkme+0x163/0x220 [ 53.725672][ T150] ? process_one_work+0x1710/0x1710 [ 53.730862][ T150] kthread+0x2e8/0x3a0 [ 53.734914][ T150] ? kthread_complete_and_exit+0x40/0x40 [ 53.740534][ T150] ret_from_fork+0x1f/0x30 [ 53.744944][ T150] [ 53.747954][ T150] Modules linked in: [ 53.751890][ T150] ---[ end trace 0000000000000000 ]--- [ 53.757355][ T150] RIP: 0010:em_cmp_match+0x55/0x670 [ 53.762604][ T150] 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 [ 53.782261][ T150] RSP: 0018:ffffc90002dfec40 EFLAGS: 00010202 [ 53.788330][ T150] RAX: dffffc0000000000 RBX: ffff88801cbee380 RCX: 0000000000000000 [ 53.796462][ T150] RDX: 0000000000000001 RSI: ffffffff87f208ad RDI: ffff88801cbee388 [ 53.804462][ T150] RBP: 0000000000000000 R08: 0000000000000004 R09: 0000000000000001 [ 53.812454][ T150] R10: 0000000000000000 R11: 0000000000000001 R12: ffff88801ee02280 [ 53.820428][ T150] R13: 0000000000000000 R14: 0000000000000000 R15: 000000000000000a [ 53.828421][ T150] FS: 0000000000000000(0000) GS:ffff8880b9a00000(0000) knlGS:0000000000000000 [ 53.837395][ T150] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 53.844006][ T150] CR2: 00007f0509fe11a8 CR3: 000000000c28e000 CR4: 00000000003506f0 [ 53.851998][ T150] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 53.859981][ T150] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 53.867976][ T150] Kernel panic - not syncing: Fatal exception in interrupt [ 53.875338][ T150] Kernel Offset: disabled [ 53.879656][ T150] Rebooting in 86400 seconds..