./strace-static-x86_64 -e \!wait4,clock_nanosleep,nanosleep -s 100 -x -f ./syz-executor524605101 <...> Warning: Permanently added '10.128.0.60' (ED25519) to the list of known hosts. execve("./syz-executor524605101", ["./syz-executor524605101"], 0x7ffd0082f020 /* 10 vars */) = 0 brk(NULL) = 0x55555af95000 brk(0x55555af95d00) = 0x55555af95d00 arch_prctl(ARCH_SET_FS, 0x55555af95380) = 0 set_tid_address(0x55555af95650) = 5227 set_robust_list(0x55555af95660, 24) = 0 rseq(0x55555af95ca0, 0x20, 0, 0x53053053) = 0 prlimit64(0, RLIMIT_STACK, NULL, {rlim_cur=8192*1024, rlim_max=RLIM64_INFINITY}) = 0 readlink("/proc/self/exe", "/root/syz-executor524605101", 4096) = 27 getrandom("\x12\x52\xa1\x0c\xe3\x1d\xb2\x6e", 8, GRND_NONBLOCK) = 8 brk(NULL) = 0x55555af95d00 brk(0x55555afb6d00) = 0x55555afb6d00 brk(0x55555afb7000) = 0x55555afb7000 mprotect(0x7f5d47b01000, 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 5228 attached [pid 5228] set_robust_list(0x55555af95660, 24 [pid 5227] <... clone resumed>, child_tidptr=0x55555af95650) = 5228 [pid 5228] <... set_robust_list resumed>) = 0 [pid 5228] mount(NULL, "/sys/fs/fuse/connections", "fusectl", 0, NULL) = -1 EBUSY (Device or resource busy) [pid 5228] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5228] setsid() = 1 [pid 5228] prlimit64(0, RLIMIT_AS, {rlim_cur=204800*1024, rlim_max=204800*1024}, NULL) = 0 [pid 5228] prlimit64(0, RLIMIT_MEMLOCK, {rlim_cur=32768*1024, rlim_max=32768*1024}, NULL) = 0 [pid 5228] prlimit64(0, RLIMIT_FSIZE, {rlim_cur=139264*1024, rlim_max=139264*1024}, NULL) = 0 [pid 5228] prlimit64(0, RLIMIT_STACK, {rlim_cur=1024*1024, rlim_max=1024*1024}, NULL) = 0 [pid 5228] prlimit64(0, RLIMIT_CORE, {rlim_cur=131072*1024, rlim_max=131072*1024}, NULL) = 0 [pid 5228] prlimit64(0, RLIMIT_NOFILE, {rlim_cur=256, rlim_max=256}, NULL) = 0 [pid 5228] unshare(CLONE_NEWNS) = 0 [pid 5228] mount(NULL, "/", NULL, MS_REC|MS_PRIVATE, NULL) = 0 [pid 5228] unshare(CLONE_NEWIPC) = 0 [pid 5228] unshare(CLONE_NEWCGROUP) = 0 [pid 5228] unshare(CLONE_NEWUTS) = 0 [pid 5228] unshare(CLONE_SYSVSEM) = 0 [pid 5228] openat(AT_FDCWD, "/proc/sys/kernel/shmmax", O_WRONLY|O_CLOEXEC) = 3 [pid 5228] write(3, "16777216", 8) = 8 [pid 5228] close(3) = 0 [pid 5228] openat(AT_FDCWD, "/proc/sys/kernel/shmall", O_WRONLY|O_CLOEXEC) = 3 [pid 5228] write(3, "536870912", 9) = 9 [pid 5228] close(3) = 0 [pid 5228] openat(AT_FDCWD, "/proc/sys/kernel/shmmni", O_WRONLY|O_CLOEXEC) = 3 [pid 5228] write(3, "1024", 4) = 4 [pid 5228] close(3) = 0 [pid 5228] openat(AT_FDCWD, "/proc/sys/kernel/msgmax", O_WRONLY|O_CLOEXEC) = 3 [pid 5228] write(3, "8192", 4) = 4 [pid 5228] close(3) = 0 [pid 5228] openat(AT_FDCWD, "/proc/sys/kernel/msgmni", O_WRONLY|O_CLOEXEC) = 3 [pid 5228] write(3, "1024", 4) = 4 [pid 5228] close(3) = 0 [pid 5228] openat(AT_FDCWD, "/proc/sys/kernel/msgmnb", O_WRONLY|O_CLOEXEC) = 3 [pid 5228] write(3, "1024", 4) = 4 [pid 5228] close(3) = 0 [pid 5228] openat(AT_FDCWD, "/proc/sys/kernel/sem", O_WRONLY|O_CLOEXEC) = 3 [pid 5228] write(3, "1024 1048576 500 1024", 21) = 21 [pid 5228] close(3) = 0 [pid 5228] getpid() = 1 [pid 5228] 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 [ 64.579084][ T5238] RSP: 0018:ffffc9000349f230 EFLAGS: 00010202 [ 64.585245][ T5238] RAX: 00000000000000f8 RBX: 0000000000000000 RCX: ffff88802aa75a00 [ 64.593201][ T5238] RDX: 0000000000000000 RSI: ffffc9000349f740 RDI: 00000000000007c0 [ 64.601165][ T5238] RBP: ffffc9000349f470 R08: ffffffff89cb116d R09: 1ffff1100d9f0c15 [ 64.609132][ T5238] R10: dffffc0000000000 R11: ffffffff86686630 R12: ffffc9000349f3f0 [ 64.617091][ T5238] R13: dffffc0000000000 R14: ffffc9000349f740 R15: 0000000000000000 [ 64.625061][ T5238] FS: 000055555af95380(0000) GS:ffff8880b9200000(0000) knlGS:0000000000000000 [ 64.633981][ T5238] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 64.640554][ T5238] CR2: 00000000200004c0 CR3: 000000002cb72000 CR4: 00000000003506f0 [ 64.648529][ T5238] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 64.656596][ T5238] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 64.664566][ T5238] Call Trace: [ 64.667838][ T5238] [ 64.670756][ T5238] ? __die_body+0x88/0xe0 [ 64.675083][ T5238] ? die_addr+0x108/0x140 [ 64.679404][ T5238] ? exc_general_protection+0x3dd/0x5d0 [ 64.684959][ T5238] ? asm_exc_general_protection+0x26/0x30 [ 64.690670][ T5238] ? __pfx_phy_start_cable_test_tdr+0x10/0x10 [ 64.696726][ T5238] ? ethnl_act_cable_test_tdr+0x5ad/0x10d0 [ 64.702524][ T5238] ? phy_start_cable_test_tdr+0x3a/0x5c0 [ 64.708146][ T5238] ? ethnl_ops_begin+0x1ae/0x1f0 [ 64.713071][ T5238] ? __pfx_phy_start_cable_test_tdr+0x10/0x10 [ 64.719130][ T5238] ethnl_act_cable_test_tdr+0x607/0x10d0 [ 64.724757][ T5238] ? __pfx_ethnl_act_cable_test_tdr+0x10/0x10 [ 64.730815][ T5238] ? genl_family_rcv_msg_attrs_parse+0xa3/0x290 [ 64.737044][ T5238] ? __nla_parse+0x40/0x60 [ 64.741560][ T5238] ? genl_family_rcv_msg_attrs_parse+0x1d1/0x290 [ 64.747879][ T5238] genl_rcv_msg+0xb14/0xec0 [ 64.752370][ T5238] ? mark_lock+0x9a/0x350 [ 64.756693][ T5238] ? __pfx_genl_rcv_msg+0x10/0x10 [ 64.761711][ T5238] ? __pfx_lock_acquire+0x10/0x10 [ 64.766807][ T5238] ? __pfx_ethnl_act_cable_test_tdr+0x10/0x10 [ 64.773036][ T5238] ? __pfx___might_resched+0x10/0x10 [ 64.778317][ T5238] netlink_rcv_skb+0x1e3/0x430 [ 64.783069][ T5238] ? __pfx_genl_rcv_msg+0x10/0x10 [ 64.788084][ T5238] ? __pfx_netlink_rcv_skb+0x10/0x10 [ 64.793361][ T5238] ? __netlink_deliver_tap+0x77e/0x7c0 [ 64.798813][ T5238] genl_rcv+0x28/0x40 [ 64.802784][ T5238] netlink_unicast+0x7f6/0x990 [ 64.807551][ T5238] ? __pfx_netlink_unicast+0x10/0x10 [ 64.812826][ T5238] ? __virt_addr_valid+0x183/0x530 [ 64.817920][ T5238] ? __check_object_size+0x49c/0x900 [ 64.823293][ T5238] ? bpf_lsm_netlink_send+0x9/0x10 [ 64.828389][ T5238] netlink_sendmsg+0x8e4/0xcb0 [ 64.833140][ T5238] ? __pfx_netlink_sendmsg+0x10/0x10 [ 64.838416][ T5238] ? __import_iovec+0x536/0x820 [ 64.843252][ T5238] ? aa_sock_msg_perm+0x91/0x160 [ 64.848191][ T5238] ? bpf_lsm_socket_sendmsg+0x9/0x10 [ 64.853547][ T5238] ? security_socket_sendmsg+0x87/0xb0 [ 64.858993][ T5238] ? __pfx_netlink_sendmsg+0x10/0x10 [ 64.864265][ T5238] __sock_sendmsg+0x221/0x270 [ 64.868929][ T5238] ____sys_sendmsg+0x525/0x7d0 [ 64.873681][ T5238] ? __pfx_____sys_sendmsg+0x10/0x10 [ 64.878952][ T5238] ? do_raw_spin_lock+0x14f/0x370 [ 64.883964][ T5238] __sys_sendmsg+0x2b0/0x3a0 [ 64.888540][ T5238] ? __pfx___sys_sendmsg+0x10/0x10 [ 64.893642][ T5238] ? __pfx_lockdep_hardirqs_on_prepare+0x10/0x10 [ 64.899958][ T5238] ? _raw_spin_unlock_irq+0x2e/0x50 [ 64.905144][ T5238] ? ptrace_notify+0x279/0x380 [ 64.909899][ T5238] ? __pfx_lockdep_hardirqs_on_prepare+0x10/0x10 [ 64.916215][ T5238] ? do_syscall_64+0x100/0x230 [ 64.920964][ T5238] do_syscall_64+0xf3/0x230 [ 64.925454][ T5238] ? clear_bhb_loop+0x35/0x90 [ 64.930120][ T5238] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 64.936001][ T5238] RIP: 0033:0x7f5d47a88fc9 [ 64.940407][ T5238] 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 [ 64.959998][ T5238] RSP: 002b:00007ffca934c1d8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 64.968412][ T5238] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f5d47a88fc9 [ 64.976377][ T5238] RDX: 0000000000000000 RSI: 0000000020000240 RDI: 0000000000000004 [ 64.984338][ T5238] RBP: 00000000000f4240 R08: 0000000000000001 R09: 0000000000000001 [ 64.992482][ T5238] R10: 0000000000000000 R11: 0000000000000246 R12: 00007ffca934c230 [ 65.000444][ T5238] R13: 00007f5d47ad6406 R14: 0000000000000003 R15: 00007ffca934c210 [ 65.008408][ T5238] [ 65.011415][ T5238] Modules linked in: [ 65.016173][ T5238] ---[ end trace 0000000000000000 ]--- [ 65.021655][ T5238] RIP: 0010:phy_start_cable_test_tdr+0x3a/0x5c0 [ 65.028285][ T5238] 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 [ 65.048570][ T5238] RSP: 0018:ffffc9000349f230 EFLAGS: 00010202 [ 65.054715][ T5238] RAX: 00000000000000f8 RBX: 0000000000000000 RCX: ffff88802aa75a00 [ 65.063060][ T5238] RDX: 0000000000000000 RSI: ffffc9000349f740 RDI: 00000000000007c0 [ 65.071249][ T5238] RBP: ffffc9000349f470 R08: ffffffff89cb116d R09: 1ffff1100d9f0c15 [ 65.079412][ T5238] R10: dffffc0000000000 R11: ffffffff86686630 R12: ffffc9000349f3f0 [ 65.087491][ T5238] R13: dffffc0000000000 R14: ffffc9000349f740 R15: 0000000000000000 [ 65.095692][ T5238] FS: 000055555af95380(0000) GS:ffff8880b9300000(0000) knlGS:0000000000000000 [ 65.104608][ T5238] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 65.111209][ T5238] CR2: 00007f5d47a86f63 CR3: 000000002cb72000 CR4: 00000000003506f0 [ 65.119291][ T5238] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 65.127310][ T5238] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 65.135336][ T5238] Kernel panic - not syncing: Fatal exception [ 65.141600][ T5238] Kernel Offset: disabled [ 65.145910][ T5238] Rebooting in 86400 seconds..