./strace-static-x86_64 -e \!wait4,clock_nanosleep,nanosleep -s 100 -x -f ./syz-executor3988625723 <...> DUID 00:04:c2:14:a9:3f:3d:94:29:63:70:45:79:7c:3d:d2:41:a3 forked to background, child pid 3187 [ 26.717511][ T3188] 8021q: adding VLAN 0 to HW filter on device bond0 [ 26.729642][ T3188] eql: remember to turn off Van-Jacobson compression on your slave devices Starting sshd: OK syzkaller Warning: Permanently added '10.128.0.14' (ECDSA) to the list of known hosts. execve("./syz-executor3988625723", ["./syz-executor3988625723"], 0x7ffe7ab55280 /* 10 vars */) = 0 brk(NULL) = 0x5555563e4000 brk(0x5555563e4c40) = 0x5555563e4c40 arch_prctl(ARCH_SET_FS, 0x5555563e4300) = 0 uname({sysname="Linux", nodename="syzkaller", ...}) = 0 readlink("/proc/self/exe", "/root/syz-executor3988625723", 4096) = 28 brk(0x555556405c40) = 0x555556405c40 brk(0x555556406000) = 0x555556406000 mprotect(0x7fdf3ff72000, 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 3609 attached , child_tidptr=0x5555563e45d0) = 3609 [pid 3609] mount(NULL, "/sys/fs/fuse/connections", "fusectl", 0, NULL) = -1 EBUSY (Device or resource busy) [pid 3609] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 3609] setsid() = 1 [pid 3609] prlimit64(0, RLIMIT_AS, {rlim_cur=204800*1024, rlim_max=204800*1024}, NULL) = 0 [pid 3609] prlimit64(0, RLIMIT_MEMLOCK, {rlim_cur=32768*1024, rlim_max=32768*1024}, NULL) = 0 [pid 3609] prlimit64(0, RLIMIT_FSIZE, {rlim_cur=139264*1024, rlim_max=139264*1024}, NULL) = 0 [pid 3609] prlimit64(0, RLIMIT_STACK, {rlim_cur=1024*1024, rlim_max=1024*1024}, NULL) = 0 [pid 3609] prlimit64(0, RLIMIT_CORE, {rlim_cur=131072*1024, rlim_max=131072*1024}, NULL) = 0 [pid 3609] prlimit64(0, RLIMIT_NOFILE, {rlim_cur=256, rlim_max=256}, NULL) = 0 [pid 3609] unshare(CLONE_NEWNS) = 0 [pid 3609] mount(NULL, "/", NULL, MS_REC|MS_PRIVATE, NULL) = 0 [pid 3609] unshare(CLONE_NEWIPC) = 0 [pid 3609] unshare(CLONE_NEWCGROUP) = 0 [pid 3609] unshare(CLONE_NEWUTS) = 0 [pid 3609] unshare(CLONE_SYSVSEM) = 0 [pid 3609] openat(AT_FDCWD, "/proc/sys/kernel/shmmax", O_WRONLY|O_CLOEXEC) = 3 [pid 3609] write(3, "16777216", 8) = 8 [pid 3609] close(3) = 0 [pid 3609] openat(AT_FDCWD, "/proc/sys/kernel/shmall", O_WRONLY|O_CLOEXEC) = 3 [pid 3609] write(3, "536870912", 9) = 9 [pid 3609] close(3) = 0 [pid 3609] openat(AT_FDCWD, "/proc/sys/kernel/shmmni", O_WRONLY|O_CLOEXEC) = 3 [pid 3609] write(3, "1024", 4) = 4 [pid 3609] close(3) = 0 [pid 3609] openat(AT_FDCWD, "/proc/sys/kernel/msgmax", O_WRONLY|O_CLOEXEC) = 3 [pid 3609] write(3, "8192", 4) = 4 [pid 3609] close(3) = 0 [pid 3609] openat(AT_FDCWD, "/proc/sys/kernel/msgmni", O_WRONLY|O_CLOEXEC) = 3 [pid 3609] write(3, "1024", 4) = 4 [pid 3609] close(3) = 0 [pid 3609] openat(AT_FDCWD, "/proc/sys/kernel/msgmnb", O_WRONLY|O_CLOEXEC) = 3 [pid 3609] write(3, "1024", 4) = 4 [pid 3609] close(3) = 0 [pid 3609] openat(AT_FDCWD, "/proc/sys/kernel/sem", O_WRONLY|O_CLOEXEC) = 3 [pid 3609] write(3, "1024 1048576 500 1024", 21) = 21 [pid 3609] close(3) = 0 [pid 3609] getpid() = 1 [pid 3609] capget({version=_LINUX_CAPABILITY_VERSION_3, pid=1}, {effective=1< 3c 02 00 0f 85 36 01 00 00 49 8d bd 98 0b 00 00 4c 8b 65 40 48 [ 53.146202][ T3609] RSP: 0018:ffffc90003c5f398 EFLAGS: 00010202 [ 53.152259][ T3609] RAX: dffffc0000000000 RBX: ffff88814528ef20 RCX: 0000000000000000 [ 53.160239][ T3609] RDX: 0000000000000008 RSI: ffffffff879a1c51 RDI: 0000000000000040 [ 53.168190][ T3609] RBP: 0000000000000000 R08: 0000000000000005 R09: 0000000000000000 [ 53.176153][ T3609] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 53.184115][ T3609] R13: ffff8880209fc000 R14: ffff88807f4a8598 R15: ffffffff879a1c00 [ 53.192073][ T3609] FS: 00005555563e4300(0000) GS:ffff8880b9b00000(0000) knlGS:0000000000000000 [ 53.200988][ T3609] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 53.207561][ T3609] CR2: 0000000000642730 CR3: 00000000252c0000 CR4: 00000000003506e0 [ 53.215517][ T3609] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 53.223817][ T3609] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 53.231774][ T3609] Call Trace: [ 53.235039][ T3609] [ 53.237957][ T3609] ethnl_default_dumpit+0x4a4/0xe80 [ 53.243149][ T3609] netlink_dump+0x541/0xc20 [ 53.247638][ T3609] ? ethnl_default_parse+0xe5/0x130 [ 53.252820][ T3609] ? netlink_deliver_tap+0xc40/0xc40 [ 53.258093][ T3609] ? ethnl_default_parse+0x130/0x130 [ 53.263360][ T3609] ? genl_start+0x44a/0x670 [ 53.267852][ T3609] __netlink_dump_start+0x647/0x900 [ 53.273035][ T3609] ? genl_family_rcv_msg_doit+0x320/0x320 [ 53.278743][ T3609] ? ethnl_init_reply_data.isra.0+0x50/0x50 [ 53.284688][ T3609] genl_family_rcv_msg_dumpit+0x1c9/0x310 [ 53.290457][ T3609] ? genl_rcv+0x40/0x40 [ 53.294613][ T3609] ? genl_family_rcv_msg_doit+0x320/0x320 [ 53.300331][ T3609] ? ethnl_init_reply_data.isra.0+0x50/0x50 [ 53.306214][ T3609] ? genl_family_rcv_msg_dumpit+0x310/0x310 [ 53.312103][ T3609] ? __radix_tree_lookup+0x211/0x2a0 [ 53.317380][ T3609] ? genl_get_cmd+0x3cf/0x480 [ 53.322046][ T3609] genl_rcv_msg+0x55d/0x780 [ 53.326542][ T3609] ? genl_get_cmd+0x480/0x480 [ 53.331207][ T3609] ? ethnl_reply_init+0x200/0x200 [ 53.336224][ T3609] ? ethnl_default_parse+0x130/0x130 [ 53.341495][ T3609] ? ethnl_init_reply_data.isra.0+0x50/0x50 [ 53.347376][ T3609] ? ethtool_get_phc_vclocks+0x110/0x110 [ 53.353001][ T3609] ? lock_release+0x780/0x780 [ 53.357690][ T3609] ? ref_tracker_dir_exit+0x3e0/0x3e0 [ 53.363059][ T3609] netlink_rcv_skb+0x153/0x420 [ 53.367828][ T3609] ? genl_get_cmd+0x480/0x480 [ 53.372501][ T3609] ? netlink_ack+0xd50/0xd50 [ 53.377087][ T3609] ? netlink_deliver_tap+0x1b1/0xc40 [ 53.382369][ T3609] genl_rcv+0x24/0x40 [ 53.386377][ T3609] netlink_unicast+0x543/0x7f0 [ 53.391140][ T3609] ? netlink_attachskb+0x880/0x880 [ 53.396249][ T3609] ? __phys_addr+0xc4/0x140 [ 53.400753][ T3609] ? __phys_addr_symbol+0x2c/0x70 [ 53.405779][ T3609] ? __check_object_size+0x2de/0x700 [ 53.411070][ T3609] netlink_sendmsg+0x917/0xe10 [ 53.415831][ T3609] ? netlink_unicast+0x7f0/0x7f0 [ 53.420765][ T3609] ? bpf_lsm_socket_sendmsg+0x5/0x10 [ 53.426059][ T3609] ? netlink_unicast+0x7f0/0x7f0 [ 53.431085][ T3609] sock_sendmsg+0xcf/0x120 [ 53.435499][ T3609] ____sys_sendmsg+0x712/0x8c0 [ 53.440263][ T3609] ? copy_msghdr_from_user+0xfc/0x150 [ 53.445631][ T3609] ? kernel_sendmsg+0x50/0x50 [ 53.450312][ T3609] ? lockdep_hardirqs_on_prepare+0x400/0x400 [ 53.456292][ T3609] ___sys_sendmsg+0x110/0x1b0 [ 53.460965][ T3609] ? do_recvmmsg+0x6e0/0x6e0 [ 53.465553][ T3609] ? lock_release+0x780/0x780 [ 53.470231][ T3609] ? ptrace_stop.part.0+0x5ec/0xa80 [ 53.475425][ T3609] ? do_raw_spin_lock+0x120/0x2a0 [ 53.480440][ T3609] ? rwlock_bug.part.0+0x90/0x90 [ 53.485368][ T3609] ? _raw_spin_lock_irq+0x41/0x50 [ 53.490386][ T3609] ? __fget_light+0x20a/0x270 [ 53.495054][ T3609] __sys_sendmsg+0xf3/0x1c0 [ 53.499545][ T3609] ? __sys_sendmsg_sock+0x30/0x30 [ 53.504556][ T3609] ? lock_downgrade+0x6e0/0x6e0 [ 53.509405][ T3609] ? lockdep_hardirqs_on+0x79/0x100 [ 53.514589][ T3609] ? _raw_spin_unlock_irq+0x2a/0x40 [ 53.519777][ T3609] ? ptrace_notify+0xfa/0x140 [ 53.524442][ T3609] do_syscall_64+0x35/0xb0 [ 53.528853][ T3609] entry_SYSCALL_64_after_hwframe+0x63/0xcd [ 53.534738][ T3609] RIP: 0033:0x7fdf3fefe599 [ 53.539142][ T3609] 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 [ 53.558994][ T3609] RSP: 002b:00007ffc272a4028 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 53.567413][ T3609] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007fdf3fefe599 [ 53.575370][ T3609] RDX: 0000000000000000 RSI: 0000000020000240 RDI: 0000000000000003 [ 53.583340][ T3609] RBP: 0000000000000003 R08: 0000000000000000 R09: 0000000000000000 [ 53.591316][ T3609] R10: 0000000000000000 R11: 0000000000000246 R12: 00007ffc272a4040 [ 53.599275][ T3609] R13: 00007ffc272a4060 R14: 0000000000000000 R15: 0000000000000000 [ 53.607248][ T3609] [ 53.610257][ T3609] Modules linked in: [ 53.614518][ T3609] ---[ end trace 0000000000000000 ]--- [ 53.620697][ T3609] RIP: 0010:pse_prepare_data+0x66/0x1e0 [ 53.629119][ T3609] Code: 89 c6 e8 ed f5 e0 f9 45 85 e4 0f 88 b3 00 00 00 e8 1f f9 e0 f9 48 8d 7d 40 48 b8 00 00 00 00 00 fc ff df 48 89 fa 48 c1 ea 03 <80> 3c 02 00 0f 85 36 01 00 00 49 8d bd 98 0b 00 00 4c 8b 65 40 48 [ 53.649271][ T3609] RSP: 0018:ffffc90003c5f398 EFLAGS: 00010202 [ 53.655419][ T3609] RAX: dffffc0000000000 RBX: ffff88814528ef20 RCX: 0000000000000000 [ 53.663449][ T3609] RDX: 0000000000000008 RSI: ffffffff879a1c51 RDI: 0000000000000040 [ 53.671431][ T3609] RBP: 0000000000000000 R08: 0000000000000005 R09: 0000000000000000 [ 53.679871][ T3609] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 53.687923][ T3609] R13: ffff8880209fc000 R14: ffff88807f4a8598 R15: ffffffff879a1c00 [ 53.696258][ T3609] FS: 00005555563e4300(0000) GS:ffff8880b9a00000(0000) knlGS:0000000000000000 [ 53.705216][ T3609] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 53.711810][ T3609] CR2: 0000000020000080 CR3: 00000000252c0000 CR4: 00000000003506f0 [ 53.719995][ T3609] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 53.728156][ T3609] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 53.736247][ T3609] Kernel panic - not syncing: Fatal exception [ 53.742485][ T3609] Kernel Offset: disabled [ 53.746894][ T3609] Rebooting in 86400 seconds..