./strace-static-x86_64 -e \!wait4,clock_nanosleep,nanosleep -s 100 -x -f ./syz-executor2933187477 <...> Warning: Permanently added '10.128.0.172' (ED25519) to the list of known hosts. execve("./syz-executor2933187477", ["./syz-executor2933187477"], 0x7ffc573782b0 /* 10 vars */) = 0 brk(NULL) = 0x55555a907000 brk(0x55555a907d00) = 0x55555a907d00 arch_prctl(ARCH_SET_FS, 0x55555a907380) = 0 set_tid_address(0x55555a907650) = 5223 set_robust_list(0x55555a907660, 24) = 0 rseq(0x55555a907ca0, 0x20, 0, 0x53053053) = 0 prlimit64(0, RLIMIT_STACK, NULL, {rlim_cur=8192*1024, rlim_max=RLIM64_INFINITY}) = 0 readlink("/proc/self/exe", "/root/syz-executor2933187477", 4096) = 28 getrandom("\x62\x65\xd8\xf9\xdf\x13\x0b\x99", 8, GRND_NONBLOCK) = 8 brk(NULL) = 0x55555a907d00 brk(0x55555a928d00) = 0x55555a928d00 brk(0x55555a929000) = 0x55555a929000 mprotect(0x7f3311ba7000, 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=0x55555a907650) = 5224 ./strace-static-x86_64: Process 5224 attached [pid 5224] set_robust_list(0x55555a907660, 24) = 0 [pid 5224] mount(NULL, "/sys/fs/fuse/connections", "fusectl", 0, NULL) = -1 EBUSY (Device or resource busy) [pid 5224] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5224] setsid() = 1 [pid 5224] prlimit64(0, RLIMIT_AS, {rlim_cur=204800*1024, rlim_max=204800*1024}, NULL) = 0 [pid 5224] prlimit64(0, RLIMIT_MEMLOCK, {rlim_cur=32768*1024, rlim_max=32768*1024}, NULL) = 0 [pid 5224] prlimit64(0, RLIMIT_FSIZE, {rlim_cur=139264*1024, rlim_max=139264*1024}, NULL) = 0 [pid 5224] prlimit64(0, RLIMIT_STACK, {rlim_cur=1024*1024, rlim_max=1024*1024}, NULL) = 0 [pid 5224] prlimit64(0, RLIMIT_CORE, {rlim_cur=131072*1024, rlim_max=131072*1024}, NULL) = 0 [pid 5224] prlimit64(0, RLIMIT_NOFILE, {rlim_cur=256, rlim_max=256}, NULL) = 0 [pid 5224] unshare(CLONE_NEWNS) = 0 [pid 5224] mount(NULL, "/", NULL, MS_REC|MS_PRIVATE, NULL) = 0 [pid 5224] unshare(CLONE_NEWIPC) = 0 [pid 5224] unshare(CLONE_NEWCGROUP) = 0 [pid 5224] unshare(CLONE_NEWUTS) = 0 [pid 5224] unshare(CLONE_SYSVSEM) = 0 [pid 5224] openat(AT_FDCWD, "/proc/sys/kernel/shmmax", O_WRONLY|O_CLOEXEC) = 3 [pid 5224] write(3, "16777216", 8) = 8 [pid 5224] close(3) = 0 [pid 5224] openat(AT_FDCWD, "/proc/sys/kernel/shmall", O_WRONLY|O_CLOEXEC) = 3 [pid 5224] write(3, "536870912", 9) = 9 [pid 5224] close(3) = 0 [pid 5224] openat(AT_FDCWD, "/proc/sys/kernel/shmmni", O_WRONLY|O_CLOEXEC) = 3 [pid 5224] write(3, "1024", 4) = 4 [pid 5224] close(3) = 0 [pid 5224] openat(AT_FDCWD, "/proc/sys/kernel/msgmax", O_WRONLY|O_CLOEXEC) = 3 [pid 5224] write(3, "8192", 4) = 4 [pid 5224] close(3) = 0 [pid 5224] openat(AT_FDCWD, "/proc/sys/kernel/msgmni", O_WRONLY|O_CLOEXEC) = 3 [pid 5224] write(3, "1024", 4) = 4 [pid 5224] close(3) = 0 [pid 5224] openat(AT_FDCWD, "/proc/sys/kernel/msgmnb", O_WRONLY|O_CLOEXEC) = 3 [pid 5224] write(3, "1024", 4) = 4 [pid 5224] close(3) = 0 [pid 5224] openat(AT_FDCWD, "/proc/sys/kernel/sem", O_WRONLY|O_CLOEXEC) = 3 [pid 5224] write(3, "1024 1048576 500 1024", 21) = 21 [pid 5224] close(3) = 0 [pid 5224] getpid() = 1 [pid 5224] 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 [ 63.545511][ T5234] RSP: 0018:ffffc90003c7f230 EFLAGS: 00010202 [ 63.551564][ T5234] RAX: 00000000000000f8 RBX: 0000000000000000 RCX: ffff888029b23c00 [ 63.559515][ T5234] RDX: 0000000000000000 RSI: ffffc90003c7f740 RDI: 00000000000007c0 [ 63.567462][ T5234] RBP: ffffc90003c7f470 R08: ffffffff89cb116d R09: 1ffff1100452bc15 [ 63.575442][ T5234] R10: dffffc0000000000 R11: ffffffff86686630 R12: ffffc90003c7f3f0 [ 63.583437][ T5234] R13: dffffc0000000000 R14: ffffc90003c7f740 R15: 0000000000000000 [ 63.591497][ T5234] FS: 000055555a907380(0000) GS:ffff8880b9200000(0000) knlGS:0000000000000000 [ 63.600405][ T5234] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 63.606964][ T5234] CR2: 000055fce9c1f000 CR3: 000000001a7d2000 CR4: 00000000003506f0 [ 63.614935][ T5234] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 63.622886][ T5234] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 63.630854][ T5234] Call Trace: [ 63.634217][ T5234] [ 63.637142][ T5234] ? __die_body+0x88/0xe0 [ 63.641474][ T5234] ? die_addr+0x108/0x140 [ 63.645797][ T5234] ? exc_general_protection+0x3dd/0x5d0 [ 63.651364][ T5234] ? netdev_get_by_name+0x7c/0xb0 [ 63.656395][ T5234] ? asm_exc_general_protection+0x26/0x30 [ 63.662119][ T5234] ? __pfx_phy_start_cable_test_tdr+0x10/0x10 [ 63.668180][ T5234] ? ethnl_act_cable_test_tdr+0x5ad/0x10d0 [ 63.673995][ T5234] ? phy_start_cable_test_tdr+0x3a/0x5c0 [ 63.679800][ T5234] ? ethnl_ops_begin+0x1ae/0x1f0 [ 63.684721][ T5234] ? __pfx_phy_start_cable_test_tdr+0x10/0x10 [ 63.690778][ T5234] ethnl_act_cable_test_tdr+0x607/0x10d0 [ 63.696413][ T5234] ? __pfx_ethnl_act_cable_test_tdr+0x10/0x10 [ 63.702503][ T5234] ? genl_family_rcv_msg_attrs_parse+0xa3/0x290 [ 63.708737][ T5234] ? __nla_parse+0x40/0x60 [ 63.713147][ T5234] ? genl_family_rcv_msg_attrs_parse+0x1d1/0x290 [ 63.719476][ T5234] genl_rcv_msg+0xb14/0xec0 [ 63.723973][ T5234] ? mark_lock+0x9a/0x350 [ 63.728305][ T5234] ? __pfx_genl_rcv_msg+0x10/0x10 [ 63.733325][ T5234] ? __pfx_lock_acquire+0x10/0x10 [ 63.738342][ T5234] ? __pfx_ethnl_act_cable_test_tdr+0x10/0x10 [ 63.744397][ T5234] ? __pfx___might_resched+0x10/0x10 [ 63.749674][ T5234] netlink_rcv_skb+0x1e3/0x430 [ 63.754425][ T5234] ? __pfx_genl_rcv_msg+0x10/0x10 [ 63.759470][ T5234] ? __pfx_netlink_rcv_skb+0x10/0x10 [ 63.764768][ T5234] ? __netlink_deliver_tap+0x77e/0x7c0 [ 63.770232][ T5234] genl_rcv+0x28/0x40 [ 63.774212][ T5234] netlink_unicast+0x7f6/0x990 [ 63.778978][ T5234] ? __pfx_netlink_unicast+0x10/0x10 [ 63.784253][ T5234] ? __virt_addr_valid+0x183/0x530 [ 63.789350][ T5234] ? __check_object_size+0x49c/0x900 [ 63.794703][ T5234] ? bpf_lsm_netlink_send+0x9/0x10 [ 63.799888][ T5234] netlink_sendmsg+0x8e4/0xcb0 [ 63.804643][ T5234] ? __pfx_netlink_sendmsg+0x10/0x10 [ 63.809912][ T5234] ? __import_iovec+0x536/0x820 [ 63.814748][ T5234] ? aa_sock_msg_perm+0x91/0x160 [ 63.819671][ T5234] ? bpf_lsm_socket_sendmsg+0x9/0x10 [ 63.824943][ T5234] ? security_socket_sendmsg+0x87/0xb0 [ 63.830391][ T5234] ? __pfx_netlink_sendmsg+0x10/0x10 [ 63.835662][ T5234] __sock_sendmsg+0x221/0x270 [ 63.840323][ T5234] ____sys_sendmsg+0x525/0x7d0 [ 63.845077][ T5234] ? __pfx_____sys_sendmsg+0x10/0x10 [ 63.850352][ T5234] ? do_raw_spin_lock+0x14f/0x370 [ 63.855366][ T5234] __sys_sendmsg+0x2b0/0x3a0 [ 63.859944][ T5234] ? __pfx___sys_sendmsg+0x10/0x10 [ 63.865043][ T5234] ? __pfx_lockdep_hardirqs_on_prepare+0x10/0x10 [ 63.871385][ T5234] ? _raw_spin_unlock_irq+0x2e/0x50 [ 63.876578][ T5234] ? ptrace_notify+0x279/0x380 [ 63.881334][ T5234] ? __pfx_lockdep_hardirqs_on_prepare+0x10/0x10 [ 63.887649][ T5234] ? do_syscall_64+0x100/0x230 [ 63.892409][ T5234] do_syscall_64+0xf3/0x230 [ 63.896900][ T5234] ? clear_bhb_loop+0x35/0x90 [ 63.901564][ T5234] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 63.907449][ T5234] RIP: 0033:0x7f3311b2ef49 [ 63.911857][ T5234] 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 [ 63.931444][ T5234] RSP: 002b:00007ffe6e4b3118 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 63.939929][ T5234] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f3311b2ef49 [ 63.947886][ T5234] RDX: 0000000000000000 RSI: 0000000020000240 RDI: 0000000000000003 [ 63.955844][ T5234] RBP: 00000000000f4240 R08: 0000000000000000 R09: 0000000000000001 [ 63.963798][ T5234] R10: 0000000000000000 R11: 0000000000000246 R12: 00007ffe6e4b3170 [ 63.971751][ T5234] R13: 00007f3311b7c406 R14: 0000000000000003 R15: 00007ffe6e4b3150 [ 63.979712][ T5234] [ 63.982714][ T5234] Modules linked in: [ 63.989892][ T5234] ---[ end trace 0000000000000000 ]--- [ 63.995844][ T5234] RIP: 0010:phy_start_cable_test_tdr+0x3a/0x5c0 [ 64.002153][ T5234] 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 [ 64.022729][ T5234] RSP: 0018:ffffc90003c7f230 EFLAGS: 00010202 [ 64.028903][ T5234] RAX: 00000000000000f8 RBX: 0000000000000000 RCX: ffff888029b23c00 [ 64.037140][ T5234] RDX: 0000000000000000 RSI: ffffc90003c7f740 RDI: 00000000000007c0 [ 64.045242][ T5234] RBP: ffffc90003c7f470 R08: ffffffff89cb116d R09: 1ffff1100452bc15 [ 64.053222][ T5234] R10: dffffc0000000000 R11: ffffffff86686630 R12: ffffc90003c7f3f0 [ 64.061289][ T5234] R13: dffffc0000000000 R14: ffffc90003c7f740 R15: 0000000000000000 [ 64.069279][ T5234] FS: 000055555a907380(0000) GS:ffff8880b9300000(0000) knlGS:0000000000000000 [ 64.078288][ T5234] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 64.084903][ T5234] CR2: 00007f3311b15a00 CR3: 000000001a7d2000 CR4: 00000000003506f0 [ 64.092872][ T5234] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 64.101203][ T5234] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 64.109436][ T5234] Kernel panic - not syncing: Fatal exception [ 64.115709][ T5234] Kernel Offset: disabled [ 64.120015][ T5234] Rebooting in 86400 seconds..