./strace-static-x86_64 -e \!wait4,clock_nanosleep,nanosleep -s 100 -x -f ./syz-executor3155666114 <...> Warning: Permanently added '10.128.0.172' (ED25519) to the list of known hosts. execve("./syz-executor3155666114", ["./syz-executor3155666114"], 0x7ffd43e4f600 /* 10 vars */) = 0 brk(NULL) = 0x55555727a000 brk(0x55555727ad00) = 0x55555727ad00 arch_prctl(ARCH_SET_FS, 0x55555727a380) = 0 set_tid_address(0x55555727a650) = 299 set_robust_list(0x55555727a660, 24) = 0 rseq(0x55555727aca0, 0x20, 0, 0x53053053) = -1 ENOSYS (Function not implemented) prlimit64(0, RLIMIT_STACK, NULL, {rlim_cur=8192*1024, rlim_max=RLIM64_INFINITY}) = 0 readlink("/proc/self/exe", "/root/syz-executor3155666114", 4096) = 28 getrandom("\x9a\x4c\x1d\x74\x0a\x9e\x18\x52", 8, GRND_NONBLOCK) = 8 brk(NULL) = 0x55555727ad00 brk(0x55555729bd00) = 0x55555729bd00 brk(0x55555729c000) = 0x55555729c000 mprotect(0x7f51480dc000, 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=0x55555727a650) = 300 ./strace-static-x86_64: Process 300 attached [pid 300] set_robust_list(0x55555727a660, 24) = 0 [pid 300] mount(NULL, "/sys/fs/fuse/connections", "fusectl", 0, NULL) = -1 EBUSY (Device or resource busy) [pid 300] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 300] setsid() = 1 [pid 300] prlimit64(0, RLIMIT_AS, {rlim_cur=204800*1024, rlim_max=204800*1024}, NULL) = 0 [pid 300] prlimit64(0, RLIMIT_MEMLOCK, {rlim_cur=32768*1024, rlim_max=32768*1024}, NULL) = 0 [pid 300] prlimit64(0, RLIMIT_FSIZE, {rlim_cur=139264*1024, rlim_max=139264*1024}, NULL) = 0 [pid 300] prlimit64(0, RLIMIT_STACK, {rlim_cur=1024*1024, rlim_max=1024*1024}, NULL) = 0 [pid 300] prlimit64(0, RLIMIT_CORE, {rlim_cur=131072*1024, rlim_max=131072*1024}, NULL) = 0 [pid 300] prlimit64(0, RLIMIT_NOFILE, {rlim_cur=256, rlim_max=256}, NULL) = 0 [pid 300] unshare(CLONE_NEWNS) = 0 [pid 300] mount(NULL, "/", NULL, MS_REC|MS_PRIVATE, NULL) = 0 [pid 300] unshare(CLONE_NEWIPC) = -1 EINVAL (Invalid argument) [pid 300] unshare(CLONE_NEWCGROUP) = 0 [pid 300] unshare(CLONE_NEWUTS) = 0 [pid 300] unshare(CLONE_SYSVSEM) = 0 [pid 300] openat(AT_FDCWD, "/proc/sys/kernel/shmmax", O_WRONLY|O_CLOEXEC) = -1 ENOENT (No such file or directory) [pid 300] openat(AT_FDCWD, "/proc/sys/kernel/shmall", O_WRONLY|O_CLOEXEC) = -1 ENOENT (No such file or directory) [pid 300] openat(AT_FDCWD, "/proc/sys/kernel/shmmni", O_WRONLY|O_CLOEXEC) = -1 ENOENT (No such file or directory) [pid 300] openat(AT_FDCWD, "/proc/sys/kernel/msgmax", O_WRONLY|O_CLOEXEC) = -1 ENOENT (No such file or directory) [pid 300] openat(AT_FDCWD, "/proc/sys/kernel/msgmni", O_WRONLY|O_CLOEXEC) = -1 ENOENT (No such file or directory) [pid 300] openat(AT_FDCWD, "/proc/sys/kernel/msgmnb", O_WRONLY|O_CLOEXEC) = -1 ENOENT (No such file or directory) [pid 300] openat(AT_FDCWD, "/proc/sys/kernel/sem", O_WRONLY|O_CLOEXEC) = -1 ENOENT (No such file or directory) [pid 300] getpid() = 1 [pid 300] capget({version=_LINUX_CAPABILITY_VERSION_3, pid=1}, {effective=1< 0f b6 44 3d 00 84 c0 0f 85 00 01 00 00 41 8b 1c 24 89 de 83 e6 [ 34.340114][ T309] RSP: 0018:ffffc9000079e338 EFLAGS: 00010202 [ 34.346003][ T309] RAX: 0000000000000000 RBX: ffff88811f797148 RCX: 1ffff11023ef2e2a [ 34.353816][ T309] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffff88811f797118 [ 34.361646][ T309] RBP: ffffc9000079e390 R08: ffffffff83e4c97a R09: ffffed1023ef2e03 [ 34.369452][ T309] R10: 0000000000000000 R11: dffffc0000000001 R12: 0000000000000010 [ 34.377248][ T309] R13: 0000000000000002 R14: ffff88811f797118 R15: dffffc0000000000 [ 34.385069][ T309] FS: 000055555727a380(0000) GS:ffff8881f7000000(0000) knlGS:0000000000000000 [ 34.393925][ T309] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 34.400365][ T309] CR2: 0000000020000288 CR3: 00000001202f6000 CR4: 00000000003506b0 [ 34.408350][ T309] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 34.416166][ T309] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 34.424054][ T309] Call Trace: [ 34.427183][ T309] [ 34.429968][ T309] ? __die_body+0x62/0xb0 [ 34.434142][ T309] ? die_addr+0x9f/0xd0 [ 34.438148][ T309] ? exc_general_protection+0x311/0x4b0 [ 34.443630][ T309] ? _raw_spin_lock+0x1b0/0x1b0 [ 34.448293][ T309] ? asm_exc_general_protection+0x27/0x30 [ 34.453854][ T309] ? napi_disable+0xea/0x190 [ 34.458288][ T309] ? hrtimer_try_to_cancel+0x7d/0x320 [ 34.463665][ T309] ? hrtimer_try_to_cancel+0x23/0x320 [ 34.468889][ T309] hrtimer_cancel+0x17/0x50 [ 34.473218][ T309] napi_disable+0x143/0x190 [ 34.477546][ T309] veth_set_features+0x1c8/0x300 [ 34.482334][ T309] __netdev_update_features+0x83c/0x1c10 [ 34.487807][ T309] ? __kasan_check_write+0x14/0x20 [ 34.492747][ T309] ? _raw_write_lock_bh+0xa4/0x170 [ 34.497692][ T309] ? dev_xdp_attach+0xdc0/0xdc0 [ 34.502370][ T309] ? del_timer+0x107/0x140 [ 34.506627][ T309] ? lock_timer_base+0x270/0x270 [ 34.511404][ T309] ? __local_bh_enable_ip+0x58/0x80 [ 34.516440][ T309] ? _raw_spin_unlock_bh+0x51/0x60 [ 34.521567][ T309] ? fib6_run_gc+0x44a/0x590 [ 34.526073][ T309] ? fib6_clean_all_skip_notify+0x2f0/0x2f0 [ 34.531907][ T309] netdev_update_features+0x6d/0x1c0 [ 34.537005][ T309] ? dev_disable_lro+0x1d0/0x1d0 [ 34.542155][ T309] veth_xdp+0x468/0x5f0 [ 34.546120][ T309] dev_xdp_install+0x151/0x380 [ 34.551153][ T309] ? veth_set_rx_headroom+0x160/0x160 [ 34.556360][ T309] ? bpf_xdp_link_fill_link_info+0xc0/0xc0 [ 34.562018][ T309] ? veth_set_rx_headroom+0x160/0x160 [ 34.567209][ T309] dev_xdp_attach+0xb52/0xdc0 [ 34.571734][ T309] dev_change_xdp_fd+0x1db/0x260 [ 34.576616][ T309] do_setlink+0x3587/0x3ae0 [ 34.580976][ T309] ? vprintk+0x74/0x80 [ 34.584874][ T309] ? _printk+0xd1/0x111 [ 34.588867][ T309] ? nlmsg_parse_deprecated_strict+0x110/0x110 [ 34.594933][ T309] ? panic+0x751/0x751 [ 34.598925][ T309] ? ____kasan_kmalloc+0xed/0x110 [ 34.603781][ T309] ? __kasan_kmalloc+0x9/0x10 [ 34.608306][ T309] ? kmem_cache_alloc_trace+0x115/0x210 [ 34.613791][ T309] ? rtnl_newlink+0x10a/0x2050 [ 34.618399][ T309] ? __nla_validate_parse+0x1e6b/0x27f0 [ 34.623871][ T309] ? __nla_validate+0x50/0x50 [ 34.628401][ T309] rtnl_newlink+0x1088/0x2050 [ 34.632895][ T309] ? kvm_sched_clock_read+0x18/0x40 [ 34.637937][ T309] ? rtnl_setlink+0x540/0x540 [ 34.642452][ T309] ? __kasan_check_write+0x14/0x20 [ 34.647578][ T309] ? _raw_spin_lock+0xa4/0x1b0 [ 34.652172][ T309] ? _raw_spin_trylock_bh+0x190/0x190 [ 34.657438][ T309] ? __mutex_lock_slowpath+0xe/0x10 [ 34.662411][ T309] ? mutex_lock+0x135/0x1e0 [ 34.666756][ T309] ? security_capable+0x87/0xb0 [ 34.671446][ T309] ? wait_for_completion_killable_timeout+0x10/0x10 [ 34.677876][ T309] ? ns_capable+0x89/0xe0 [ 34.682034][ T309] ? netlink_net_capable+0x125/0x160 [ 34.687149][ T309] ? rtnl_setlink+0x540/0x540 [ 34.691670][ T309] rtnetlink_rcv_msg+0x951/0xc40 [ 34.696452][ T309] ? rtnetlink_bind+0x80/0x80 [ 34.700966][ T309] ? stack_trace_save+0x1c0/0x1c0 [ 34.705828][ T309] ? __kernel_text_address+0x9b/0x110 [ 34.711025][ T309] ? unwind_get_return_address+0x4d/0x90 [ 34.716666][ T309] ? avc_has_perm_noaudit+0x348/0x430 [ 34.721871][ T309] ? memcpy+0x56/0x70 [ 34.725689][ T309] ? avc_has_perm_noaudit+0x2dd/0x430 [ 34.730907][ T309] ? avc_denied+0x1b0/0x1b0 [ 34.735252][ T309] ? avc_has_perm+0x16f/0x260 [ 34.739755][ T309] ? ____kasan_kmalloc+0xed/0x110 [ 34.744620][ T309] ? avc_has_perm_noaudit+0x430/0x430 [ 34.749822][ T309] ? do_syscall_64+0x3d/0xb0 [ 34.754255][ T309] netlink_rcv_skb+0x1cf/0x410 [ 34.758859][ T309] ? rtnetlink_bind+0x80/0x80 [ 34.763980][ T309] ? netlink_ack+0xb10/0xb10 [ 34.768416][ T309] ? __netlink_lookup+0x37b/0x3a0 [ 34.773259][ T309] rtnetlink_rcv+0x1c/0x20 [ 34.777511][ T309] netlink_unicast+0x8df/0xac0 [ 34.782116][ T309] ? netlink_detachskb+0x90/0x90 [ 34.786890][ T309] ? security_netlink_send+0x7b/0xa0 [ 34.792011][ T309] netlink_sendmsg+0xa0a/0xd20 [ 34.796615][ T309] ? netlink_getsockopt+0x560/0x560 [ 34.801642][ T309] ? security_socket_sendmsg+0x82/0xb0 [ 34.806933][ T309] ? netlink_getsockopt+0x560/0x560 [ 34.812057][ T309] ____sys_sendmsg+0x59e/0x8f0 [ 34.816665][ T309] ? __sys_sendmsg_sock+0x40/0x40 [ 34.821532][ T309] ? import_iovec+0xe5/0x120 [ 34.826035][ T309] ___sys_sendmsg+0x252/0x2e0 [ 34.830917][ T309] ? __sys_sendmsg+0x260/0x260 [ 34.835493][ T309] ? finish_task_switch+0x167/0x7b0 [ 34.840533][ T309] ? __schedule+0xcc6/0x1580 [ 34.844966][ T309] ? __kasan_check_write+0x14/0x20 [ 34.849918][ T309] ? _raw_spin_lock_irq+0xa5/0x1b0 [ 34.855047][ T309] ? __kasan_check_read+0x11/0x20 [ 34.859909][ T309] ? __fdget+0x179/0x240 [ 34.863983][ T309] __se_sys_sendmsg+0x19a/0x260 [ 34.868678][ T309] ? _raw_spin_unlock_irq+0x4e/0x70 [ 34.873797][ T309] ? __x64_sys_sendmsg+0x90/0x90 [ 34.878579][ T309] __x64_sys_sendmsg+0x7b/0x90 [ 34.883166][ T309] do_syscall_64+0x3d/0xb0 [ 34.887416][ T309] entry_SYSCALL_64_after_hwframe+0x61/0xcb [ 34.893147][ T309] RIP: 0033:0x7f5148063f69 [ 34.897398][ T309] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 d1 19 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 [ 34.916844][ T309] RSP: 002b:00007ffe42639cc8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 34.925102][ T309] RAX: ffffffffffffffda RBX: 00007f51480b1530 RCX: 00007f5148063f69 [ 34.932899][ T309] RDX: 0000000000000000 RSI: 0000000020000000 RDI: 0000000000000005 [ 34.940711][ T309] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000100000000 [ 34.948519][ T309] R10: 0000000100000000 R11: 0000000000000246 R12: 0000000000000000 [ 34.956341][ T309] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000 [ 34.964161][ T309] [ 34.967010][ T309] Modules linked in: [ 34.972022][ T309] ---[ end trace 8b095c5e57b68eb7 ]--- [ 34.977623][ T309] RIP: 0010:hrtimer_try_to_cancel+0x7d/0x320 [ 34.984506][ T309] Code: 00 48 8b 5d c8 48 8b 45 d0 42 80 3c 38 00 74 08 48 89 df e8 35 84 51 00 48 8b 03 48 89 45 b0 4c 8d 60 10 4d 89 e5 49 c1 ed 03 <43> 0f b6 44 3d 00 84 c0 0f 85 00 01 00 00 41 8b 1c 24 89 de 83 e6 [ 35.004781][ T309] RSP: 0018:ffffc9000079e338 EFLAGS: 00010202 [ 35.011021][ T309] RAX: 0000000000000000 RBX: ffff88811f797148 RCX: 1ffff11023ef2e2a [ 35.018940][ T309] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffff88811f797118 [ 35.026802][ T309] RBP: ffffc9000079e390 R08: ffffffff83e4c97a R09: ffffed1023ef2e03 [ 35.034648][ T309] R10: 0000000000000000 R11: dffffc0000000001 R12: 0000000000000010 [ 35.042800][ T309] R13: 0000000000000002 R14: ffff88811f797118 R15: dffffc0000000000 [ 35.050838][ T309] FS: 000055555727a380(0000) GS:ffff8881f7100000(0000) knlGS:0000000000000000 [ 35.059583][ T309] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 35.066044][ T309] CR2: 0000000020003900 CR3: 00000001202f6000 CR4: 00000000003506a0 [ 35.073868][ T309] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 35.081691][ T309] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 35.089446][ T309] Kernel panic - not syncing: Fatal exception [ 35.095529][ T309] Kernel Offset: disabled [ 35.099776][ T309] Rebooting in 86400 seconds..