./strace-static-x86_64 -e \!wait4,clock_nanosleep,nanosleep -s 100 -x -f ./syz-executor3966721860 <...> Warning: Permanently added '10.128.0.245' (ECDSA) to the list of known hosts. execve("./syz-executor3966721860", ["./syz-executor3966721860"], 0x7ffd17f22d80 /* 10 vars */) = 0 brk(NULL) = 0x55555715c000 brk(0x55555715cc40) = 0x55555715cc40 arch_prctl(ARCH_SET_FS, 0x55555715c300) = 0 uname({sysname="Linux", nodename="syzkaller", ...}) = 0 readlink("/proc/self/exe", "/root/syz-executor3966721860", 4096) = 28 brk(0x55555717dc40) = 0x55555717dc40 brk(0x55555717e000) = 0x55555717e000 mprotect(0x7f620fde0000, 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 5071 attached , child_tidptr=0x55555715c5d0) = 5071 [pid 5071] mount(NULL, "/sys/fs/fuse/connections", "fusectl", 0, NULL) = -1 EBUSY (Device or resource busy) [pid 5071] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5071] setsid() = 1 [pid 5071] prlimit64(0, RLIMIT_AS, {rlim_cur=204800*1024, rlim_max=204800*1024}, NULL) = 0 [pid 5071] prlimit64(0, RLIMIT_MEMLOCK, {rlim_cur=32768*1024, rlim_max=32768*1024}, NULL) = 0 [pid 5071] prlimit64(0, RLIMIT_FSIZE, {rlim_cur=139264*1024, rlim_max=139264*1024}, NULL) = 0 [pid 5071] prlimit64(0, RLIMIT_STACK, {rlim_cur=1024*1024, rlim_max=1024*1024}, NULL) = 0 [pid 5071] prlimit64(0, RLIMIT_CORE, {rlim_cur=131072*1024, rlim_max=131072*1024}, NULL) = 0 [pid 5071] prlimit64(0, RLIMIT_NOFILE, {rlim_cur=256, rlim_max=256}, NULL) = 0 [pid 5071] unshare(CLONE_NEWNS) = 0 [pid 5071] mount(NULL, "/", NULL, MS_REC|MS_PRIVATE, NULL) = 0 [pid 5071] unshare(CLONE_NEWIPC) = 0 [pid 5071] unshare(CLONE_NEWCGROUP) = 0 [pid 5071] unshare(CLONE_NEWUTS) = 0 [pid 5071] unshare(CLONE_SYSVSEM) = 0 [pid 5071] openat(AT_FDCWD, "/proc/sys/kernel/shmmax", O_WRONLY|O_CLOEXEC) = 3 [pid 5071] write(3, "16777216", 8) = 8 [pid 5071] close(3) = 0 [pid 5071] openat(AT_FDCWD, "/proc/sys/kernel/shmall", O_WRONLY|O_CLOEXEC) = 3 [pid 5071] write(3, "536870912", 9) = 9 [pid 5071] close(3) = 0 [pid 5071] openat(AT_FDCWD, "/proc/sys/kernel/shmmni", O_WRONLY|O_CLOEXEC) = 3 [pid 5071] write(3, "1024", 4) = 4 [pid 5071] close(3) = 0 [pid 5071] openat(AT_FDCWD, "/proc/sys/kernel/msgmax", O_WRONLY|O_CLOEXEC) = 3 [pid 5071] write(3, "8192", 4) = 4 [pid 5071] close(3) = 0 [pid 5071] openat(AT_FDCWD, "/proc/sys/kernel/msgmni", O_WRONLY|O_CLOEXEC) = 3 [pid 5071] write(3, "1024", 4) = 4 [pid 5071] close(3) = 0 [pid 5071] openat(AT_FDCWD, "/proc/sys/kernel/msgmnb", O_WRONLY|O_CLOEXEC) = 3 [pid 5071] write(3, "1024", 4) = 4 [pid 5071] close(3) = 0 [pid 5071] openat(AT_FDCWD, "/proc/sys/kernel/sem", O_WRONLY|O_CLOEXEC) = 3 [pid 5071] write(3, "1024 1048576 500 1024", 21) = 21 [pid 5071] close(3) = 0 [pid 5071] getpid() = 1 [pid 5071] capget({version=_LINUX_CAPABILITY_VERSION_3, pid=1}, {effective=1< 3c 02 00 0f 85 14 03 00 00 48 8b 45 40 48 89 da 48 c1 ea 03 48 [ 77.334669][ T5071] RSP: 0018:ffffc90003c0f270 EFLAGS: 00010202 [ 77.340752][ T5071] RAX: dffffc0000000000 RBX: ffff888021b55c00 RCX: 0000000000000000 [ 77.348735][ T5071] RDX: 0000000000000008 RSI: ffffffff880744d0 RDI: 0000000000000040 [ 77.356827][ T5071] RBP: 0000000000000000 R08: 0000000000000000 R09: ffffffff8e7326d7 [ 77.364829][ T5071] R10: fffffbfff1ce64da R11: 0000000000000000 R12: ffff8880218e7d00 [ 77.372896][ T5071] R13: 0000000000000000 R14: ffff88807de6c598 R15: ffffffff880744b0 [ 77.380882][ T5071] FS: 000055555715c300(0000) GS:ffff8880b9800000(0000) knlGS:0000000000000000 [ 77.389852][ T5071] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 77.396462][ T5071] CR2: 00000000006691e0 CR3: 000000007b781000 CR4: 00000000003506f0 [ 77.404458][ T5071] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 77.412449][ T5071] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 77.420435][ T5071] Call Trace: [ 77.423724][ T5071] [ 77.426664][ T5071] ? memset+0x24/0x50 [ 77.430677][ T5071] ? pause_reply_size+0x70/0x70 [ 77.435553][ T5071] ethnl_default_dumpit+0x4a8/0xe80 [ 77.440808][ T5071] netlink_dump+0x570/0xc50 [ 77.445340][ T5071] ? genl_rcv+0x28/0x40 [ 77.449522][ T5071] ? netlink_deliver_tap+0xc50/0xc50 [ 77.454837][ T5071] ? ____sys_sendmsg+0x71c/0x900 [ 77.459828][ T5071] ? ethnl_default_start+0x127/0x570 [ 77.465142][ T5071] ? genl_start+0x43d/0x660 [ 77.469676][ T5071] __netlink_dump_start+0x64b/0x910 [ 77.474907][ T5071] ? genl_family_rcv_msg_attrs_parse.constprop.0+0x290/0x290 [ 77.482298][ T5071] genl_family_rcv_msg_dumpit+0x2be/0x310 [ 77.488058][ T5071] ? genl_rcv+0x40/0x40 [ 77.492251][ T5071] ? genl_cmd_full_to_split+0x650/0x650 [ 77.497852][ T5071] ? genl_family_rcv_msg_attrs_parse.constprop.0+0x290/0x290 [ 77.505238][ T5071] ? ethnl_init_reply_data.isra.0+0x50/0x50 [ 77.511150][ T5071] ? genl_lock_dumpit+0x90/0x90 [ 77.516029][ T5071] ? __lock_acquire+0x166e/0x56d0 [ 77.521069][ T5071] ? __radix_tree_lookup+0x215/0x2a0 [ 77.526386][ T5071] genl_rcv_msg+0x419/0x7e0 [ 77.530906][ T5071] ? genl_family_rcv_msg_doit.isra.0+0x2d0/0x2d0 [ 77.537260][ T5071] ? __dev_queue_xmit+0xb54/0x3ba0 [ 77.542394][ T5071] ? ethnl_default_parse+0x130/0x130 [ 77.547698][ T5071] ? ethnl_init_reply_data.isra.0+0x50/0x50 [ 77.553611][ T5071] ? ethtool_get_phc_vclocks+0x110/0x110 [ 77.559272][ T5071] netlink_rcv_skb+0x165/0x440 [ 77.564077][ T5071] ? genl_family_rcv_msg_doit.isra.0+0x2d0/0x2d0 [ 77.570416][ T5071] ? netlink_ack+0x1370/0x1370 [ 77.575212][ T5071] ? rwsem_down_read_slowpath+0xb20/0xb20 [ 77.580960][ T5071] ? netlink_deliver_tap+0x1b1/0xc50 [ 77.586272][ T5071] genl_rcv+0x28/0x40 [ 77.590302][ T5071] netlink_unicast+0x547/0x7f0 [ 77.595132][ T5071] ? netlink_attachskb+0x890/0x890 [ 77.600283][ T5071] ? __virt_addr_valid+0x61/0x2e0 [ 77.605346][ T5071] ? __phys_addr_symbol+0x30/0x70 [ 77.610396][ T5071] ? __check_object_size+0x2e2/0x5a0 [ 77.615710][ T5071] netlink_sendmsg+0x91b/0xe10 [ 77.620531][ T5071] ? netlink_unicast+0x7f0/0x7f0 [ 77.625503][ T5071] ? bpf_lsm_socket_sendmsg+0x9/0x10 [ 77.630815][ T5071] ? netlink_unicast+0x7f0/0x7f0 [ 77.635779][ T5071] sock_sendmsg+0xde/0x190 [ 77.640252][ T5071] ____sys_sendmsg+0x71c/0x900 [ 77.645044][ T5071] ? copy_msghdr_from_user+0xfc/0x150 [ 77.650428][ T5071] ? kernel_sendmsg+0x50/0x50 [ 77.655130][ T5071] ? lockdep_hardirqs_on_prepare+0x410/0x410 [ 77.661139][ T5071] ___sys_sendmsg+0x110/0x1b0 [ 77.665831][ T5071] ? do_recvmmsg+0x6e0/0x6e0 [ 77.670437][ T5071] ? lock_release+0x810/0x810 [ 77.675124][ T5071] ? ptrace_stop.part.0+0x4a3/0x8e0 [ 77.680341][ T5071] ? do_raw_spin_lock+0x124/0x2b0 [ 77.685386][ T5071] ? rwlock_bug.part.0+0x90/0x90 [ 77.690333][ T5071] ? _raw_spin_lock_irq+0x45/0x50 [ 77.695380][ T5071] ? __fget_light+0x20a/0x270 [ 77.700073][ T5071] __sys_sendmsg+0xf7/0x1c0 [ 77.704591][ T5071] ? __sys_sendmsg_sock+0x40/0x40 [ 77.709628][ T5071] ? lock_downgrade+0x6e0/0x6e0 [ 77.714518][ T5071] ? lockdep_hardirqs_on+0x7d/0x100 [ 77.719753][ T5071] ? _raw_spin_unlock_irq+0x2e/0x50 [ 77.724985][ T5071] ? ptrace_notify+0xfe/0x140 [ 77.729685][ T5071] do_syscall_64+0x39/0xb0 [ 77.734115][ T5071] entry_SYSCALL_64_after_hwframe+0x63/0xcd [ 77.740029][ T5071] RIP: 0033:0x7f620fd6c589 [ 77.744488][ T5071] Code: 28 c3 e8 4a 15 00 00 66 2e 0f 1f 84 00 00 00 00 00 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 [ 77.764114][ T5071] RSP: 002b:00007ffdab95a158 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 77.772543][ T5071] RAX: ffffffffffffffda RBX: 00007ffdab95a168 RCX: 00007f620fd6c589 [ 77.780523][ T5071] RDX: 0000000000000000 RSI: 0000000020000540 RDI: 0000000000000003 [ 77.788506][ T5071] RBP: 0000000000000003 R08: 0000000000000000 R09: 0000000000000000 [ 77.796497][ T5071] R10: 0000000000000000 R11: 0000000000000246 R12: 00007ffdab95a170 [ 77.804477][ T5071] R13: 00007ffdab95a190 R14: 0000000000000000 R15: 0000000000000000 [ 77.812467][ T5071] [ 77.815507][ T5071] Modules linked in: [ 77.825289][ T5071] ---[ end trace 0000000000000000 ]--- [ 77.830855][ T5071] RIP: 0010:pause_prepare_data+0x60/0x400 [ 77.836718][ T5071] Code: 0f b6 04 02 84 c0 74 08 3c 03 0f 8e 02 03 00 00 48 8d 7d 40 45 8b 6c 24 18 48 b8 00 00 00 00 00 fc ff df 48 89 fa 48 c1 ea 03 <80> 3c 02 00 0f 85 14 03 00 00 48 8b 45 40 48 89 da 48 c1 ea 03 48 [ 77.857550][ T5071] RSP: 0018:ffffc90003c0f270 EFLAGS: 00010202 [ 77.863625][ T5071] RAX: dffffc0000000000 RBX: ffff888021b55c00 RCX: 0000000000000000 [ 77.871661][ T5071] RDX: 0000000000000008 RSI: ffffffff880744d0 RDI: 0000000000000040 [ 77.879688][ T5071] RBP: 0000000000000000 R08: 0000000000000000 R09: ffffffff8e7326d7 [ 77.887724][ T5071] R10: fffffbfff1ce64da R11: 0000000000000000 R12: ffff8880218e7d00 [ 77.895732][ T5071] R13: 0000000000000000 R14: ffff88807de6c598 R15: ffffffff880744b0 [ 77.903729][ T5071] FS: 000055555715c300(0000) GS:ffff8880b9900000(0000) knlGS:0000000000000000 [ 77.912701][ T5071] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 77.919341][ T5071] CR2: 000055e77403a658 CR3: 000000007b781000 CR4: 00000000003506e0 [ 77.927350][ T5071] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 77.935373][ T5071] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 77.943386][ T5071] Kernel panic - not syncing: Fatal exception [ 77.949668][ T5071] Kernel Offset: disabled [ 77.953995][ T5071] Rebooting in 86400 seconds..