./strace-static-x86_64 -e \!wait4,clock_nanosleep,nanosleep -s 100 -x -f ./syz-executor2251413314 <...> Warning: Permanently added '10.128.1.113' (ED25519) to the list of known hosts. execve("./syz-executor2251413314", ["./syz-executor2251413314"], 0x7ffd48bd1080 /* 10 vars */) = 0 brk(NULL) = 0x55556116a000 brk(0x55556116ad00) = 0x55556116ad00 arch_prctl(ARCH_SET_FS, 0x55556116a380) = 0 set_tid_address(0x55556116a650) = 5234 set_robust_list(0x55556116a660, 24) = 0 rseq(0x55556116aca0, 0x20, 0, 0x53053053) = 0 prlimit64(0, RLIMIT_STACK, NULL, {rlim_cur=8192*1024, rlim_max=RLIM64_INFINITY}) = 0 readlink("/proc/self/exe", "/root/syz-executor2251413314", 4096) = 28 getrandom("\x5e\x11\xac\xde\xf9\xf2\xa6\x4c", 8, GRND_NONBLOCK) = 8 brk(NULL) = 0x55556116ad00 brk(0x55556118bd00) = 0x55556118bd00 brk(0x55556118c000) = 0x55556118c000 mprotect(0x7fc6149e8000, 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=0x55556116a650) = 5235 ./strace-static-x86_64: Process 5235 attached [pid 5235] set_robust_list(0x55556116a660, 24) = 0 [pid 5235] mount(NULL, "/sys/fs/fuse/connections", "fusectl", 0, NULL) = -1 EBUSY (Device or resource busy) [pid 5235] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5235] setsid() = 1 [pid 5235] prlimit64(0, RLIMIT_AS, {rlim_cur=204800*1024, rlim_max=204800*1024}, NULL) = 0 [pid 5235] prlimit64(0, RLIMIT_MEMLOCK, {rlim_cur=32768*1024, rlim_max=32768*1024}, NULL) = 0 [pid 5235] prlimit64(0, RLIMIT_FSIZE, {rlim_cur=139264*1024, rlim_max=139264*1024}, NULL) = 0 [pid 5235] prlimit64(0, RLIMIT_STACK, {rlim_cur=1024*1024, rlim_max=1024*1024}, NULL) = 0 [pid 5235] prlimit64(0, RLIMIT_CORE, {rlim_cur=131072*1024, rlim_max=131072*1024}, NULL) = 0 [pid 5235] prlimit64(0, RLIMIT_NOFILE, {rlim_cur=256, rlim_max=256}, NULL) = 0 [pid 5235] unshare(CLONE_NEWNS) = 0 [pid 5235] mount(NULL, "/", NULL, MS_REC|MS_PRIVATE, NULL) = 0 [pid 5235] unshare(CLONE_NEWIPC) = 0 [pid 5235] unshare(CLONE_NEWCGROUP) = 0 [pid 5235] unshare(CLONE_NEWUTS) = 0 [pid 5235] unshare(CLONE_SYSVSEM) = 0 [pid 5235] openat(AT_FDCWD, "/proc/sys/kernel/shmmax", O_WRONLY|O_CLOEXEC) = 3 [pid 5235] write(3, "16777216", 8) = 8 [pid 5235] close(3) = 0 [pid 5235] openat(AT_FDCWD, "/proc/sys/kernel/shmall", O_WRONLY|O_CLOEXEC) = 3 [pid 5235] write(3, "536870912", 9) = 9 [pid 5235] close(3) = 0 [pid 5235] openat(AT_FDCWD, "/proc/sys/kernel/shmmni", O_WRONLY|O_CLOEXEC) = 3 [pid 5235] write(3, "1024", 4) = 4 [pid 5235] close(3) = 0 [pid 5235] openat(AT_FDCWD, "/proc/sys/kernel/msgmax", O_WRONLY|O_CLOEXEC) = 3 [pid 5235] write(3, "8192", 4) = 4 [pid 5235] close(3) = 0 [pid 5235] openat(AT_FDCWD, "/proc/sys/kernel/msgmni", O_WRONLY|O_CLOEXEC) = 3 [pid 5235] write(3, "1024", 4) = 4 [pid 5235] close(3) = 0 [pid 5235] openat(AT_FDCWD, "/proc/sys/kernel/msgmnb", O_WRONLY|O_CLOEXEC) = 3 [pid 5235] write(3, "1024", 4) = 4 [pid 5235] close(3) = 0 [pid 5235] openat(AT_FDCWD, "/proc/sys/kernel/sem", O_WRONLY|O_CLOEXEC) = 3 [pid 5235] write(3, "1024 1048576 500 1024", 21) = 21 [pid 5235] close(3) = 0 [pid 5235] getpid() = 1 [pid 5235] 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 [ 84.441867][ T5244] RSP: 0018:ffffc900034bf230 EFLAGS: 00010202 [ 84.447949][ T5244] RAX: 00000000000000f8 RBX: 0000000000000000 RCX: ffff888025443c00 [ 84.455920][ T5244] RDX: 0000000000000000 RSI: ffffc900034bf740 RDI: 00000000000007c0 [ 84.463893][ T5244] RBP: ffffc900034bf470 R08: ffffffff89cb116d R09: 1ffff1100f583c15 [ 84.471879][ T5244] R10: dffffc0000000000 R11: ffffffff86686630 R12: ffffc900034bf3f0 [ 84.479865][ T5244] R13: dffffc0000000000 R14: ffffc900034bf740 R15: 0000000000000000 [ 84.487845][ T5244] FS: 000055556116a380(0000) GS:ffff8880b9200000(0000) knlGS:0000000000000000 [ 84.496781][ T5244] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 84.503363][ T5244] CR2: 00007ffd772a4dd8 CR3: 000000007cb40000 CR4: 00000000003506f0 [ 84.511337][ T5244] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 84.519319][ T5244] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 84.527309][ T5244] Call Trace: [ 84.530600][ T5244] [ 84.533557][ T5244] ? __die_body+0x88/0xe0 [ 84.537899][ T5244] ? die_addr+0x108/0x140 [ 84.542239][ T5244] ? exc_general_protection+0x3dd/0x5d0 [ 84.547805][ T5244] ? netdev_get_by_name+0x7c/0xb0 [ 84.552844][ T5244] ? asm_exc_general_protection+0x26/0x30 [ 84.558568][ T5244] ? __pfx_phy_start_cable_test_tdr+0x10/0x10 [ 84.564639][ T5244] ? ethnl_act_cable_test_tdr+0x5ad/0x10d0 [ 84.570455][ T5244] ? phy_start_cable_test_tdr+0x3a/0x5c0 [ 84.576102][ T5244] ? ethnl_ops_begin+0x1ae/0x1f0 [ 84.581063][ T5244] ? __pfx_phy_start_cable_test_tdr+0x10/0x10 [ 84.587138][ T5244] ethnl_act_cable_test_tdr+0x607/0x10d0 [ 84.592791][ T5244] ? __pfx_ethnl_act_cable_test_tdr+0x10/0x10 [ 84.598884][ T5244] ? genl_family_rcv_msg_attrs_parse+0xa3/0x290 [ 84.605137][ T5244] ? __nla_parse+0x40/0x60 [ 84.609558][ T5244] ? genl_family_rcv_msg_attrs_parse+0x1d1/0x290 [ 84.615894][ T5244] genl_rcv_msg+0xb14/0xec0 [ 84.620398][ T5244] ? mark_lock+0x9a/0x350 [ 84.624733][ T5244] ? __pfx_genl_rcv_msg+0x10/0x10 [ 84.629774][ T5244] ? __pfx_lock_acquire+0x10/0x10 [ 84.634809][ T5244] ? __pfx_ethnl_act_cable_test_tdr+0x10/0x10 [ 84.640900][ T5244] ? __pfx___might_resched+0x10/0x10 [ 84.646221][ T5244] netlink_rcv_skb+0x1e3/0x430 [ 84.650994][ T5244] ? __pfx_genl_rcv_msg+0x10/0x10 [ 84.656031][ T5244] ? __pfx_netlink_rcv_skb+0x10/0x10 [ 84.661320][ T5244] ? __netlink_deliver_tap+0x77e/0x7c0 [ 84.666786][ T5244] genl_rcv+0x28/0x40 [ 84.670783][ T5244] netlink_unicast+0x7f6/0x990 [ 84.675578][ T5244] ? __pfx_netlink_unicast+0x10/0x10 [ 84.680874][ T5244] ? __virt_addr_valid+0x183/0x530 [ 84.686005][ T5244] ? __check_object_size+0x49c/0x900 [ 84.691298][ T5244] ? bpf_lsm_netlink_send+0x9/0x10 [ 84.696413][ T5244] netlink_sendmsg+0x8e4/0xcb0 [ 84.701197][ T5244] ? __pfx_netlink_sendmsg+0x10/0x10 [ 84.706501][ T5244] ? __import_iovec+0x536/0x820 [ 84.711366][ T5244] ? aa_sock_msg_perm+0x91/0x160 [ 84.716320][ T5244] ? bpf_lsm_socket_sendmsg+0x9/0x10 [ 84.721619][ T5244] ? security_socket_sendmsg+0x87/0xb0 [ 84.727107][ T5244] ? __pfx_netlink_sendmsg+0x10/0x10 [ 84.732393][ T5244] __sock_sendmsg+0x221/0x270 [ 84.737072][ T5244] ____sys_sendmsg+0x525/0x7d0 [ 84.741840][ T5244] ? __pfx_____sys_sendmsg+0x10/0x10 [ 84.747130][ T5244] ? do_raw_spin_lock+0x14f/0x370 [ 84.752165][ T5244] __sys_sendmsg+0x2b0/0x3a0 [ 84.756785][ T5244] ? __pfx___sys_sendmsg+0x10/0x10 [ 84.761997][ T5244] ? __pfx_lockdep_hardirqs_on_prepare+0x10/0x10 [ 84.768337][ T5244] ? _raw_spin_unlock_irq+0x2e/0x50 [ 84.773571][ T5244] ? ptrace_notify+0x279/0x380 [ 84.778344][ T5244] ? __pfx_lockdep_hardirqs_on_prepare+0x10/0x10 [ 84.784681][ T5244] ? do_syscall_64+0x100/0x230 [ 84.789456][ T5244] do_syscall_64+0xf3/0x230 [ 84.793963][ T5244] ? clear_bhb_loop+0x35/0x90 [ 84.798650][ T5244] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 84.804558][ T5244] RIP: 0033:0x7fc61496ff49 [ 84.808986][ T5244] 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 [ 84.828594][ T5244] RSP: 002b:00007ffd772a5e48 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 84.837038][ T5244] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007fc61496ff49 [ 84.845012][ T5244] RDX: 0000000000000000 RSI: 0000000020000240 RDI: 0000000000000003 [ 84.852982][ T5244] RBP: 00000000000f4240 R08: 0000000000000000 R09: 0000000000000001 [ 84.860954][ T5244] R10: 0000000000000000 R11: 0000000000000246 R12: 00007ffd772a5ea0 [ 84.868928][ T5244] R13: 00007fc6149bd406 R14: 0000000000000003 R15: 00007ffd772a5e80 [ 84.876911][ T5244] [ 84.879942][ T5244] Modules linked in: [ 84.886195][ T5244] ---[ end trace 0000000000000000 ]--- [ 84.891938][ T5244] RIP: 0010:phy_start_cable_test_tdr+0x3a/0x5c0 [ 84.898510][ T5244] 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 [ 84.918880][ T5244] RSP: 0018:ffffc900034bf230 EFLAGS: 00010202 [ 84.925038][ T5244] RAX: 00000000000000f8 RBX: 0000000000000000 RCX: ffff888025443c00 [ 84.933473][ T5244] RDX: 0000000000000000 RSI: ffffc900034bf740 RDI: 00000000000007c0 [ 84.941563][ T5244] RBP: ffffc900034bf470 R08: ffffffff89cb116d R09: 1ffff1100f583c15 [ 84.949680][ T5244] R10: dffffc0000000000 R11: ffffffff86686630 R12: ffffc900034bf3f0 [ 84.957730][ T5244] R13: dffffc0000000000 R14: ffffc900034bf740 R15: 0000000000000000 [ 84.965725][ T5244] FS: 000055556116a380(0000) GS:ffff8880b9200000(0000) knlGS:0000000000000000 [ 84.974787][ T5244] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 84.981725][ T5244] CR2: 00007ffd772a4dd8 CR3: 000000007cb40000 CR4: 00000000003506f0 [ 84.989910][ T5244] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 84.998004][ T5244] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 85.006139][ T5244] Kernel panic - not syncing: Fatal exception [ 85.012360][ T5244] Kernel Offset: disabled [ 85.016701][ T5244] Rebooting in 86400 seconds..