./strace-static-x86_64 -e \!wait4,clock_nanosleep,nanosleep -s 100 -x -f ./syz-executor993237928 <...> Warning: Permanently added '10.128.1.157' (ED25519) to the list of known hosts. execve("./syz-executor993237928", ["./syz-executor993237928"], 0x7ffd9d8c5850 /* 10 vars */) = 0 brk(NULL) = 0x555556e7e000 brk(0x555556e7ed00) = 0x555556e7ed00 arch_prctl(ARCH_SET_FS, 0x555556e7e380) = 0 set_tid_address(0x555556e7e650) = 5066 set_robust_list(0x555556e7e660, 24) = 0 rseq(0x555556e7eca0, 0x20, 0, 0x53053053) = 0 prlimit64(0, RLIMIT_STACK, NULL, {rlim_cur=8192*1024, rlim_max=RLIM64_INFINITY}) = 0 readlink("/proc/self/exe", "/root/syz-executor993237928", 4096) = 27 getrandom("\xd7\xa0\x1e\x95\xf6\x68\xc0\xc2", 8, GRND_NONBLOCK) = 8 brk(NULL) = 0x555556e7ed00 brk(0x555556e9fd00) = 0x555556e9fd00 brk(0x555556ea0000) = 0x555556ea0000 mprotect(0x7f86920ab000, 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=0x555556e7e650) = 5067 ./strace-static-x86_64: Process 5067 attached [pid 5067] set_robust_list(0x555556e7e660, 24) = 0 [pid 5067] mount(NULL, "/sys/fs/fuse/connections", "fusectl", 0, NULL) = -1 EBUSY (Device or resource busy) [pid 5067] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5067] setsid() = 1 [pid 5067] prlimit64(0, RLIMIT_AS, {rlim_cur=204800*1024, rlim_max=204800*1024}, NULL) = 0 [pid 5067] prlimit64(0, RLIMIT_MEMLOCK, {rlim_cur=32768*1024, rlim_max=32768*1024}, NULL) = 0 [pid 5067] prlimit64(0, RLIMIT_FSIZE, {rlim_cur=139264*1024, rlim_max=139264*1024}, NULL) = 0 [pid 5067] prlimit64(0, RLIMIT_STACK, {rlim_cur=1024*1024, rlim_max=1024*1024}, NULL) = 0 [pid 5067] prlimit64(0, RLIMIT_CORE, {rlim_cur=131072*1024, rlim_max=131072*1024}, NULL) = 0 [pid 5067] prlimit64(0, RLIMIT_NOFILE, {rlim_cur=256, rlim_max=256}, NULL) = 0 [pid 5067] unshare(CLONE_NEWNS) = 0 [pid 5067] mount(NULL, "/", NULL, MS_REC|MS_PRIVATE, NULL) = 0 [pid 5067] unshare(CLONE_NEWIPC) = 0 [pid 5067] unshare(CLONE_NEWCGROUP) = 0 [pid 5067] unshare(CLONE_NEWUTS) = 0 [pid 5067] unshare(CLONE_SYSVSEM) = 0 [pid 5067] openat(AT_FDCWD, "/proc/sys/kernel/shmmax", O_WRONLY|O_CLOEXEC) = 3 [pid 5067] write(3, "16777216", 8) = 8 [pid 5067] close(3) = 0 [pid 5067] openat(AT_FDCWD, "/proc/sys/kernel/shmall", O_WRONLY|O_CLOEXEC) = 3 [pid 5067] write(3, "536870912", 9) = 9 [pid 5067] close(3) = 0 [pid 5067] openat(AT_FDCWD, "/proc/sys/kernel/shmmni", O_WRONLY|O_CLOEXEC) = 3 [pid 5067] write(3, "1024", 4) = 4 [pid 5067] close(3) = 0 [pid 5067] openat(AT_FDCWD, "/proc/sys/kernel/msgmax", O_WRONLY|O_CLOEXEC) = 3 [pid 5067] write(3, "8192", 4) = 4 [pid 5067] close(3) = 0 [pid 5067] openat(AT_FDCWD, "/proc/sys/kernel/msgmni", O_WRONLY|O_CLOEXEC) = 3 [pid 5067] write(3, "1024", 4) = 4 [pid 5067] close(3) = 0 [pid 5067] openat(AT_FDCWD, "/proc/sys/kernel/msgmnb", O_WRONLY|O_CLOEXEC) = 3 [pid 5067] write(3, "1024", 4) = 4 [pid 5067] close(3) = 0 [pid 5067] openat(AT_FDCWD, "/proc/sys/kernel/sem", O_WRONLY|O_CLOEXEC) = 3 [pid 5067] write(3, "1024 1048576 500 1024", 21) = 21 [pid 5067] close(3) = 0 [pid 5067] getpid() = 1 [pid 5067] capget({version=_LINUX_CAPABILITY_VERSION_3, pid=1}, {effective=1< b6 04 02 84 c0 74 08 3c 03 0f 8e 8a 21 00 00 48 8b 84 24 f8 00 [ 83.500768][ T5079] RSP: 0018:ffffc900043473d0 EFLAGS: 00010202 [ 83.506839][ T5079] RAX: dffffc0000000000 RBX: 0000000000010046 RCX: ffffffff886b1597 [ 83.514823][ T5079] RDX: 000000000000000e RSI: ffffffff886b2520 RDI: 0000000000000070 [ 83.522800][ T5079] RBP: ffffc90004347578 R08: 0000000000000005 R09: 000000000000ffff [ 83.530773][ T5079] R10: 000000000000ffff R11: 0000000000000002 R12: ffff888063202ac0 [ 83.538736][ T5079] R13: 0000000000010000 R14: 000000000000ffff R15: 0000000000000046 [ 83.546697][ T5079] FS: 0000555556e7e380(0000) GS:ffff8880b9900000(0000) knlGS:0000000000000000 [ 83.555625][ T5079] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 83.562217][ T5079] CR2: 0000000020010000 CR3: 0000000027ee2000 CR4: 00000000003506f0 [ 83.570178][ T5079] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 83.578138][ T5079] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 83.586105][ T5079] Call Trace: [ 83.589387][ T5079] [ 83.592309][ T5079] ? show_regs+0x8f/0xa0 [ 83.596553][ T5079] ? die_addr+0x4f/0xd0 [ 83.600704][ T5079] ? exc_general_protection+0x155/0x230 [ 83.606263][ T5079] ? asm_exc_general_protection+0x26/0x30 [ 83.611992][ T5079] ? skb_segment+0x877/0x3f30 [ 83.616731][ T5079] ? skb_segment+0x1800/0x3f30 [ 83.621484][ T5079] ? skb_segment+0x181d/0x3f30 [ 83.626235][ T5079] ? get_random_u32+0x584/0x7e0 [ 83.631088][ T5079] ? skb_zerocopy_iter_stream+0x6a0/0x6a0 [ 83.636800][ T5079] ? ip6_find_1stfragopt+0x163/0x2c0 [ 83.642077][ T5079] udp6_ufo_fragment+0xa0e/0xd00 [ 83.647019][ T5079] ? udp6_gro_receive+0xfc0/0xfc0 [ 83.652053][ T5079] ? ipv6_gso_pull_exthdrs+0x224/0x510 [ 83.657506][ T5079] ipv6_gso_segment+0x534/0x17e0 [ 83.662471][ T5079] ? sit_ip6ip6_gro_receive+0x110/0x110 [ 83.668016][ T5079] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 83.673905][ T5079] skb_mac_gso_segment+0x290/0x610 [ 83.679011][ T5079] ? sit_ip6ip6_gro_receive+0x110/0x110 [ 83.684547][ T5079] ? netdev_nl_dev_get_dumpit+0x1d0/0x1d0 [ 83.690258][ T5079] ? lock_acquire+0x1ae/0x520 [ 83.694932][ T5079] __skb_gso_segment+0x339/0x710 [ 83.699865][ T5079] validate_xmit_skb+0x36c/0xeb0 [ 83.704802][ T5079] ? preempt_count_sub+0x160/0x160 [ 83.709998][ T5079] __dev_queue_xmit+0x6f3/0x3d60 [ 83.714935][ T5079] ? _copy_from_iter+0x2c1/0x10f0 [ 83.719957][ T5079] ? netdev_core_pick_tx+0x3a0/0x3a0 [ 83.725237][ T5079] ? skb_partial_csum_set+0x202/0x390 [ 83.730602][ T5079] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 83.736489][ T5079] ? virtio_net_hdr_to_skb.constprop.0+0x4e4/0x1380 [ 83.743074][ T5079] ? packet_create+0x8e0/0x8e0 [ 83.748010][ T5079] packet_xmit+0x257/0x380 [ 83.752421][ T5079] packet_sendmsg+0x24c6/0x5220 [ 83.757280][ T5079] ? preempt_count_sub+0x160/0x160 [ 83.762402][ T5079] ? find_held_lock+0x2d/0x110 [ 83.767162][ T5079] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 83.773076][ T5079] ? aa_sk_perm+0x2f8/0xb40 [ 83.777575][ T5079] ? packet_notifier+0x8c0/0x8c0 [ 83.782506][ T5079] ? aa_af_perm+0x250/0x250 [ 83.786999][ T5079] ? __might_fault+0xe6/0x1a0 [ 83.791672][ T5079] ? bpf_lsm_socket_sendmsg+0x9/0x10 [ 83.796953][ T5079] ? packet_notifier+0x8c0/0x8c0 [ 83.801885][ T5079] __sock_sendmsg+0xd5/0x180 [ 83.806497][ T5079] __sys_sendto+0x255/0x340 [ 83.810996][ T5079] ? __ia32_sys_getpeername+0xb0/0xb0 [ 83.816368][ T5079] ? spin_bug+0x1d0/0x1d0 [ 83.820706][ T5079] ? cgroup_update_frozen+0x144/0x6b0 [ 83.826092][ T5079] ? ptrace_notify+0xf4/0x130 [ 83.830779][ T5079] ? _raw_spin_unlock_irq+0x23/0x50 [ 83.835967][ T5079] ? lockdep_hardirqs_on+0x7d/0x110 [ 83.841162][ T5079] ? _raw_spin_unlock_irq+0x2e/0x50 [ 83.846356][ T5079] __x64_sys_sendto+0xe0/0x1b0 [ 83.851119][ T5079] ? syscall_enter_from_user_mode+0x107/0x120 [ 83.857216][ T5079] do_syscall_64+0x40/0x110 [ 83.861715][ T5079] entry_SYSCALL_64_after_hwframe+0x63/0x6b [ 83.867608][ T5079] RIP: 0033:0x7f8692032aa9 [ 83.872007][ T5079] 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 [ 83.891608][ T5079] RSP: 002b:00007fff8d685418 EFLAGS: 00000246 ORIG_RAX: 000000000000002c [ 83.900019][ T5079] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f8692032aa9 [ 83.907979][ T5079] RDX: 0000000000010048 RSI: 00000000200000c0 RDI: 0000000000000003 [ 83.915935][ T5079] RBP: 00000000000f4240 R08: 0000000020000540 R09: 0000000000000014 [ 83.923894][ T5079] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fff8d685480 [ 83.931853][ T5079] R13: 0000000000000001 R14: 00007fff8d685480 R15: 0000000000000003 [ 83.939823][ T5079] [ 83.942830][ T5079] Modules linked in: [ 83.946832][ T5079] ---[ end trace 0000000000000000 ]--- [ 83.952302][ T5079] RIP: 0010:skb_segment+0x181d/0x3f30 [ 83.957715][ T5079] Code: 83 e3 02 e9 fb ed ff ff e8 90 68 1c f9 48 8b 84 24 f8 00 00 00 48 8d 78 70 48 b8 00 00 00 00 00 fc ff df 48 89 fa 48 c1 ea 03 <0f> b6 04 02 84 c0 74 08 3c 03 0f 8e 8a 21 00 00 48 8b 84 24 f8 00 [ 83.977375][ T5079] RSP: 0018:ffffc900043473d0 EFLAGS: 00010202 [ 83.983459][ T5079] RAX: dffffc0000000000 RBX: 0000000000010046 RCX: ffffffff886b1597 [ 83.991462][ T5079] RDX: 000000000000000e RSI: ffffffff886b2520 RDI: 0000000000000070 [ 83.999469][ T5079] RBP: ffffc90004347578 R08: 0000000000000005 R09: 000000000000ffff [ 84.007460][ T5079] R10: 000000000000ffff R11: 0000000000000002 R12: ffff888063202ac0 [ 84.015455][ T5079] R13: 0000000000010000 R14: 000000000000ffff R15: 0000000000000046 [ 84.023451][ T5079] FS: 0000555556e7e380(0000) GS:ffff8880b9900000(0000) knlGS:0000000000000000 [ 84.032423][ T5079] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 84.039038][ T5079] CR2: 0000000020010000 CR3: 0000000027ee2000 CR4: 00000000003506f0 [ 84.047065][ T5079] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 84.055034][ T5079] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 84.063047][ T5079] Kernel panic - not syncing: Fatal exception in interrupt [ 84.070458][ T5079] Kernel Offset: disabled [ 84.074847][ T5079] Rebooting in 86400 seconds..