./strace-static-x86_64 -e \!wait4,clock_nanosleep,nanosleep -s 100 -x -f ./syz-executor3993704987 <...> Warning: Permanently added '10.128.0.22' (ED25519) to the list of known hosts. execve("./syz-executor3993704987", ["./syz-executor3993704987"], 0x7ffd1ae97bd0 /* 10 vars */) = 0 brk(NULL) = 0x5555798f0000 brk(0x5555798f0d00) = 0x5555798f0d00 arch_prctl(ARCH_SET_FS, 0x5555798f0380) = 0 set_tid_address(0x5555798f0650) = 5226 set_robust_list(0x5555798f0660, 24) = 0 rseq(0x5555798f0ca0, 0x20, 0, 0x53053053) = 0 prlimit64(0, RLIMIT_STACK, NULL, {rlim_cur=8192*1024, rlim_max=RLIM64_INFINITY}) = 0 readlink("/proc/self/exe", "/root/syz-executor3993704987", 4096) = 28 getrandom("\x1e\xd2\x4c\x82\xbe\xd2\x8a\x4c", 8, GRND_NONBLOCK) = 8 brk(NULL) = 0x5555798f0d00 brk(0x555579911d00) = 0x555579911d00 brk(0x555579912000) = 0x555579912000 mprotect(0x7f2cc0ad5000, 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, child_tidptr=0x5555798f0650) = 5227 ./strace-static-x86_64: Process 5227 attached [pid 5227] set_robust_list(0x5555798f0660, 24) = 0 [pid 5227] mount(NULL, "/sys/fs/fuse/connections", "fusectl", 0, NULL) = -1 EBUSY (Device or resource busy) [pid 5227] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5227] setsid() = 1 [pid 5227] prlimit64(0, RLIMIT_AS, {rlim_cur=204800*1024, rlim_max=204800*1024}, NULL) = 0 [pid 5227] prlimit64(0, RLIMIT_MEMLOCK, {rlim_cur=32768*1024, rlim_max=32768*1024}, NULL) = 0 [pid 5227] prlimit64(0, RLIMIT_FSIZE, {rlim_cur=139264*1024, rlim_max=139264*1024}, NULL) = 0 [pid 5227] prlimit64(0, RLIMIT_STACK, {rlim_cur=1024*1024, rlim_max=1024*1024}, NULL) = 0 [pid 5227] prlimit64(0, RLIMIT_CORE, {rlim_cur=131072*1024, rlim_max=131072*1024}, NULL) = 0 [pid 5227] prlimit64(0, RLIMIT_NOFILE, {rlim_cur=256, rlim_max=256}, NULL) = 0 [pid 5227] unshare(CLONE_NEWNS) = 0 [pid 5227] mount(NULL, "/", NULL, MS_REC|MS_PRIVATE, NULL) = 0 [pid 5227] unshare(CLONE_NEWIPC) = 0 [pid 5227] unshare(CLONE_NEWCGROUP) = 0 [pid 5227] unshare(CLONE_NEWUTS) = 0 [pid 5227] unshare(CLONE_SYSVSEM) = 0 [pid 5227] openat(AT_FDCWD, "/proc/sys/kernel/shmmax", O_WRONLY|O_CLOEXEC) = 3 [pid 5227] write(3, "16777216", 8) = 8 [pid 5227] close(3) = 0 [pid 5227] openat(AT_FDCWD, "/proc/sys/kernel/shmall", O_WRONLY|O_CLOEXEC) = 3 [pid 5227] write(3, "536870912", 9) = 9 [pid 5227] close(3) = 0 [pid 5227] openat(AT_FDCWD, "/proc/sys/kernel/shmmni", O_WRONLY|O_CLOEXEC) = 3 [pid 5227] write(3, "1024", 4) = 4 [pid 5227] close(3) = 0 [pid 5227] openat(AT_FDCWD, "/proc/sys/kernel/msgmax", O_WRONLY|O_CLOEXEC) = 3 [pid 5227] write(3, "8192", 4) = 4 [pid 5227] close(3) = 0 [pid 5227] openat(AT_FDCWD, "/proc/sys/kernel/msgmni", O_WRONLY|O_CLOEXEC) = 3 [pid 5227] write(3, "1024", 4) = 4 [pid 5227] close(3) = 0 [pid 5227] openat(AT_FDCWD, "/proc/sys/kernel/msgmnb", O_WRONLY|O_CLOEXEC) = 3 [pid 5227] write(3, "1024", 4) = 4 [pid 5227] close(3) = 0 [pid 5227] openat(AT_FDCWD, "/proc/sys/kernel/sem", O_WRONLY|O_CLOEXEC) = 3 [pid 5227] write(3, "1024 1048576 500 1024", 21) = 21 [pid 5227] close(3) = 0 [pid 5227] getpid() = 1 [pid 5227] capget({version=_LINUX_CAPABILITY_VERSION_3, pid=1}, {effective=1< 80 3c 28 00 74 05 e8 9a 66 92 fb 48 8b 83 c0 07 00 00 48 89 44 [ 69.750825][ T5237] RSP: 0018:ffffc9000339f230 EFLAGS: 00010202 [ 69.756882][ T5237] RAX: 00000000000000f8 RBX: 0000000000000000 RCX: ffff888029cabc00 [ 69.764835][ T5237] RDX: 0000000000000000 RSI: ffffc9000339f740 RDI: 00000000000007c0 [ 69.772783][ T5237] RBP: ffffc9000339f470 R08: ffffffff89cb116d R09: 1ffff1100f017815 [ 69.780755][ T5237] R10: dffffc0000000000 R11: ffffffff86686630 R12: ffffc9000339f3f0 [ 69.788706][ T5237] R13: dffffc0000000000 R14: ffffc9000339f740 R15: 0000000000000000 [ 69.796662][ T5237] FS: 00005555798f0380(0000) GS:ffff8880b9200000(0000) knlGS:0000000000000000 [ 69.805579][ T5237] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 69.812236][ T5237] CR2: 0000563b8132f5d8 CR3: 000000002b1be000 CR4: 00000000003506f0 [ 69.820193][ T5237] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 69.828147][ T5237] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 69.836107][ T5237] Call Trace: [ 69.839376][ T5237] [ 69.842297][ T5237] ? __die_body+0x88/0xe0 [ 69.846622][ T5237] ? die_addr+0x108/0x140 [ 69.850941][ T5237] ? exc_general_protection+0x3dd/0x5d0 [ 69.856502][ T5237] ? netdev_get_by_name+0x7c/0xb0 [ 69.861603][ T5237] ? asm_exc_general_protection+0x26/0x30 [ 69.867325][ T5237] ? __pfx_phy_start_cable_test_tdr+0x10/0x10 [ 69.873381][ T5237] ? ethnl_act_cable_test_tdr+0x5ad/0x10d0 [ 69.879177][ T5237] ? phy_start_cable_test_tdr+0x3a/0x5c0 [ 69.884795][ T5237] ? ethnl_ops_begin+0x1ae/0x1f0 [ 69.889716][ T5237] ? __pfx_phy_start_cable_test_tdr+0x10/0x10 [ 69.895774][ T5237] ethnl_act_cable_test_tdr+0x607/0x10d0 [ 69.901406][ T5237] ? __pfx_ethnl_act_cable_test_tdr+0x10/0x10 [ 69.907470][ T5237] ? genl_family_rcv_msg_attrs_parse+0xa3/0x290 [ 69.913702][ T5237] ? __nla_parse+0x40/0x60 [ 69.918109][ T5237] ? genl_family_rcv_msg_attrs_parse+0x1d1/0x290 [ 69.924424][ T5237] genl_rcv_msg+0xb14/0xec0 [ 69.928910][ T5237] ? mark_lock+0x9a/0x350 [ 69.933230][ T5237] ? __pfx_genl_rcv_msg+0x10/0x10 [ 69.938251][ T5237] ? __pfx_lock_acquire+0x10/0x10 [ 69.943261][ T5237] ? __pfx_ethnl_act_cable_test_tdr+0x10/0x10 [ 69.949318][ T5237] ? __pfx___might_resched+0x10/0x10 [ 69.954592][ T5237] netlink_rcv_skb+0x1e3/0x430 [ 69.959353][ T5237] ? __pfx_genl_rcv_msg+0x10/0x10 [ 69.964369][ T5237] ? __pfx_netlink_rcv_skb+0x10/0x10 [ 69.969640][ T5237] ? __netlink_deliver_tap+0x77e/0x7c0 [ 69.975086][ T5237] genl_rcv+0x28/0x40 [ 69.979057][ T5237] netlink_unicast+0x7f6/0x990 [ 69.983812][ T5237] ? __pfx_netlink_unicast+0x10/0x10 [ 69.989089][ T5237] ? __virt_addr_valid+0x183/0x530 [ 69.994192][ T5237] ? __check_object_size+0x49c/0x900 [ 69.999460][ T5237] ? bpf_lsm_netlink_send+0x9/0x10 [ 70.004556][ T5237] netlink_sendmsg+0x8e4/0xcb0 [ 70.009311][ T5237] ? __pfx_netlink_sendmsg+0x10/0x10 [ 70.014580][ T5237] ? __import_iovec+0x536/0x820 [ 70.019414][ T5237] ? aa_sock_msg_perm+0x91/0x160 [ 70.024339][ T5237] ? bpf_lsm_socket_sendmsg+0x9/0x10 [ 70.029614][ T5237] ? security_socket_sendmsg+0x87/0xb0 [ 70.035071][ T5237] ? __pfx_netlink_sendmsg+0x10/0x10 [ 70.040338][ T5237] __sock_sendmsg+0x221/0x270 [ 70.045015][ T5237] ____sys_sendmsg+0x525/0x7d0 [ 70.049776][ T5237] ? __pfx_____sys_sendmsg+0x10/0x10 [ 70.055049][ T5237] ? do_raw_spin_lock+0x14f/0x370 [ 70.060089][ T5237] __sys_sendmsg+0x2b0/0x3a0 [ 70.064665][ T5237] ? __pfx___sys_sendmsg+0x10/0x10 [ 70.069769][ T5237] ? __pfx_lockdep_hardirqs_on_prepare+0x10/0x10 [ 70.076175][ T5237] ? _raw_spin_unlock_irq+0x2e/0x50 [ 70.081449][ T5237] ? ptrace_notify+0x279/0x380 [ 70.086200][ T5237] ? __pfx_lockdep_hardirqs_on_prepare+0x10/0x10 [ 70.092515][ T5237] ? do_syscall_64+0x100/0x230 [ 70.097266][ T5237] do_syscall_64+0xf3/0x230 [ 70.101754][ T5237] ? clear_bhb_loop+0x35/0x90 [ 70.106419][ T5237] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 70.112305][ T5237] RIP: 0033:0x7f2cc0a5cf49 [ 70.116716][ T5237] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 01 1a 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 b8 ff ff ff f7 d8 64 89 01 48 [ 70.136305][ T5237] RSP: 002b:00007fff080cd5b8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 70.144706][ T5237] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f2cc0a5cf49 [ 70.152683][ T5237] RDX: 0000000000000000 RSI: 0000000020000240 RDI: 0000000000000003 [ 70.160640][ T5237] RBP: 00000000000f4240 R08: 0000000000000000 R09: 0000000000000001 [ 70.168592][ T5237] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fff080cd610 [ 70.176546][ T5237] R13: 00007f2cc0aaa406 R14: 0000000000000003 R15: 00007fff080cd5f0 [ 70.184507][ T5237] [ 70.187525][ T5237] Modules linked in: [ 70.194752][ T5237] ---[ end trace 0000000000000000 ]--- [ 70.200430][ T5237] RIP: 0010:phy_start_cable_test_tdr+0x3a/0x5c0 [ 70.206774][ T5237] Code: ec 38 48 89 54 24 18 49 89 f6 48 89 fb 49 bd 00 00 00 00 00 fc ff df e8 e4 24 2b fb 48 8d bb c0 07 00 00 48 89 f8 48 c1 e8 03 <42> 80 3c 28 00 74 05 e8 9a 66 92 fb 48 8b 83 c0 07 00 00 48 89 44 [ 70.227061][ T5237] RSP: 0018:ffffc9000339f230 EFLAGS: 00010202 [ 70.233183][ T5237] RAX: 00000000000000f8 RBX: 0000000000000000 RCX: ffff888029cabc00 [ 70.241175][ T5237] RDX: 0000000000000000 RSI: ffffc9000339f740 RDI: 00000000000007c0 [ 70.249261][ T5237] RBP: ffffc9000339f470 R08: ffffffff89cb116d R09: 1ffff1100f017815 [ 70.257325][ T5237] R10: dffffc0000000000 R11: ffffffff86686630 R12: ffffc9000339f3f0 [ 70.265334][ T5237] R13: dffffc0000000000 R14: ffffc9000339f740 R15: 0000000000000000 [ 70.273518][ T5237] FS: 00005555798f0380(0000) GS:ffff8880b9300000(0000) knlGS:0000000000000000 [ 70.282520][ T5237] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 70.289125][ T5237] CR2: 000000000066ac60 CR3: 000000002b1be000 CR4: 00000000003506f0 [ 70.297503][ T5237] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 70.305747][ T5237] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 70.313840][ T5237] Kernel panic - not syncing: Fatal exception [ 70.320271][ T5237] Kernel Offset: disabled [ 70.324578][ T5237] Rebooting in 86400 seconds..