./strace-static-x86_64 -e \!wait4,clock_nanosleep,nanosleep -s 100 -x -f ./syz-executor2507201696 <...> Warning: Permanently added '10.128.0.15' (ECDSA) to the list of known hosts. execve("./syz-executor2507201696", ["./syz-executor2507201696"], 0x7fff15b9fda0 /* 10 vars */) = 0 brk(NULL) = 0x555555a2b000 brk(0x555555a2bc40) = 0x555555a2bc40 arch_prctl(ARCH_SET_FS, 0x555555a2b300) = 0 uname({sysname="Linux", nodename="syzkaller", ...}) = 0 readlink("/proc/self/exe", "/root/syz-executor2507201696", 4096) = 28 brk(0x555555a4cc40) = 0x555555a4cc40 brk(0x555555a4d000) = 0x555555a4d000 mprotect(0x7fb7ec21a000, 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 3613 attached , child_tidptr=0x555555a2b5d0) = 3613 [pid 3613] mount(NULL, "/sys/fs/fuse/connections", "fusectl", 0, NULL) = -1 EBUSY (Device or resource busy) [pid 3613] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 3613] setsid() = 1 [pid 3613] prlimit64(0, RLIMIT_AS, {rlim_cur=204800*1024, rlim_max=204800*1024}, NULL) = 0 [pid 3613] prlimit64(0, RLIMIT_MEMLOCK, {rlim_cur=32768*1024, rlim_max=32768*1024}, NULL) = 0 [pid 3613] prlimit64(0, RLIMIT_FSIZE, {rlim_cur=139264*1024, rlim_max=139264*1024}, NULL) = 0 [pid 3613] prlimit64(0, RLIMIT_STACK, {rlim_cur=1024*1024, rlim_max=1024*1024}, NULL) = 0 [pid 3613] prlimit64(0, RLIMIT_CORE, {rlim_cur=0, rlim_max=0}, NULL) = 0 [pid 3613] prlimit64(0, RLIMIT_NOFILE, {rlim_cur=256, rlim_max=256}, NULL) = 0 [pid 3613] unshare(CLONE_NEWNS) = 0 [pid 3613] mount(NULL, "/", NULL, MS_REC|MS_PRIVATE, NULL) = 0 [pid 3613] unshare(CLONE_NEWIPC) = 0 [pid 3613] unshare(CLONE_NEWCGROUP) = 0 [pid 3613] unshare(CLONE_NEWUTS) = 0 [pid 3613] unshare(CLONE_SYSVSEM) = 0 [pid 3613] openat(AT_FDCWD, "/proc/sys/kernel/shmmax", O_WRONLY|O_CLOEXEC) = 3 [pid 3613] write(3, "16777216", 8) = 8 [pid 3613] close(3) = 0 [pid 3613] openat(AT_FDCWD, "/proc/sys/kernel/shmall", O_WRONLY|O_CLOEXEC) = 3 [pid 3613] write(3, "536870912", 9) = 9 [pid 3613] close(3) = 0 [pid 3613] openat(AT_FDCWD, "/proc/sys/kernel/shmmni", O_WRONLY|O_CLOEXEC) = 3 [pid 3613] write(3, "1024", 4) = 4 [pid 3613] close(3) = 0 [pid 3613] openat(AT_FDCWD, "/proc/sys/kernel/msgmax", O_WRONLY|O_CLOEXEC) = 3 [pid 3613] write(3, "8192", 4) = 4 [pid 3613] close(3) = 0 [pid 3613] openat(AT_FDCWD, "/proc/sys/kernel/msgmni", O_WRONLY|O_CLOEXEC) = 3 [pid 3613] write(3, "1024", 4) = 4 [pid 3613] close(3) = 0 [pid 3613] openat(AT_FDCWD, "/proc/sys/kernel/msgmnb", O_WRONLY|O_CLOEXEC) = 3 [pid 3613] write(3, "1024", 4) = 4 [pid 3613] close(3) = 0 [pid 3613] openat(AT_FDCWD, "/proc/sys/kernel/sem", O_WRONLY|O_CLOEXEC) = 3 [pid 3613] write(3, "1024 1048576 500 1024", 21) = 21 [pid 3613] close(3) = 0 [pid 3613] getpid() = 1 [pid 3613] capget({version=_LINUX_CAPABILITY_VERSION_3, pid=1}, {effective=1< 0b 48 89 df e8 e7 20 68 fa e9 7f fd ff ff e8 fd 20 68 fa e9 48 [ 50.551283][ T3613] RSP: 0018:ffffc9000304f4b8 EFLAGS: 00010293 [ 50.557356][ T3613] RAX: 0000000000000000 RBX: 0000000000000012 RCX: 0000000000000000 [ 50.565332][ T3613] RDX: ffff888023403b00 RSI: ffffffff875dd94f RDI: 0000000000000003 [ 50.573397][ T3613] RBP: 0000000000005dbc R08: 0000000000000fe0 R09: 0000000000005dbc [ 50.581381][ T3613] R10: ffffffff875dd5ec R11: 0000000000000000 R12: 0000000000000fe0 [ 50.589362][ T3613] R13: ffff88801e5a3dc0 R14: 1ffff92000609e9b R15: 0000000000000012 [ 50.597340][ T3613] FS: 0000555555a2b300(0000) GS:ffff8880b9d00000(0000) knlGS:0000000000000000 [ 50.606286][ T3613] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 50.612907][ T3613] CR2: 00000000200015c0 CR3: 0000000077ca2000 CR4: 00000000003506e0 [ 50.620898][ T3613] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 50.628891][ T3613] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 50.636876][ T3613] Call Trace: [ 50.640162][ T3613] [ 50.643105][ T3613] ? skb_eth_gso_segment+0x250/0x250 [ 50.648419][ T3613] __skb_gso_segment+0x327/0x6e0 [ 50.653375][ T3613] validate_xmit_skb+0x6bc/0xf10 [ 50.658327][ T3613] validate_xmit_skb_list+0xbc/0x120 [ 50.663639][ T3613] sch_direct_xmit+0x3d1/0xbe0 [ 50.668426][ T3613] ? lock_release+0x780/0x780 [ 50.673123][ T3613] ? lock_release+0x780/0x780 [ 50.677823][ T3613] ? dev_watchdog+0x8f0/0x8f0 [ 50.682514][ T3613] ? do_raw_spin_trylock+0xb0/0x180 [ 50.687731][ T3613] ? do_raw_spin_lock+0x280/0x2a0 [ 50.692771][ T3613] __dev_queue_xmit+0x14a1/0x38f0 [ 50.697818][ T3613] ? netdev_core_pick_tx+0x2e0/0x2e0 [ 50.703210][ T3613] ? skb_partial_csum_set+0x21b/0x2b0 [ 50.708612][ T3613] ? __sanitizer_cov_trace_const_cmp1+0x22/0x80 [ 50.714881][ T3613] ? __sanitizer_cov_trace_cmp4+0x1c/0x70 [ 50.720615][ T3613] ? virtio_net_hdr_to_skb.constprop.0+0xf3/0x1150 [ 50.727143][ T3613] ? tpacket_destruct_skb+0x7c0/0x7c0 [ 50.732622][ T3613] packet_sendmsg+0x21cb/0x5550 [ 50.737502][ T3613] ? aa_sk_perm+0x30f/0xaa0 [ 50.742016][ T3613] ? _copy_from_user+0xf9/0x170 [ 50.746890][ T3613] ? packet_lookup_frame.isra.0+0x1c0/0x1c0 [ 50.752798][ T3613] ? aa_af_perm+0x230/0x230 [ 50.757305][ T3613] ? __sanitizer_cov_trace_const_cmp4+0x1c/0x70 [ 50.763556][ T3613] ? __sanitizer_cov_trace_const_cmp4+0x1c/0x70 [ 50.769813][ T3613] ? packet_lookup_frame.isra.0+0x1c0/0x1c0 [ 50.775808][ T3613] sock_sendmsg+0xcf/0x120 [ 50.780231][ T3613] ____sys_sendmsg+0x6eb/0x810 [ 50.785007][ T3613] ? kernel_sendmsg+0x50/0x50 [ 50.789687][ T3613] ? do_recvmmsg+0x6d0/0x6d0 [ 50.794287][ T3613] ? lockdep_hardirqs_on_prepare+0x400/0x400 [ 50.800276][ T3613] ? lockdep_hardirqs_on+0x79/0x100 [ 50.805495][ T3613] ? lockdep_hardirqs_on_prepare+0x400/0x400 [ 50.811486][ T3613] ___sys_sendmsg+0xf3/0x170 [ 50.816116][ T3613] ? sendmsg_copy_msghdr+0x160/0x160 [ 50.821410][ T3613] ? lock_release+0x780/0x780 [ 50.826102][ T3613] ? ptrace_stop+0x590/0xb30 [ 50.830704][ T3613] ? do_raw_spin_lock+0x120/0x2a0 [ 50.835740][ T3613] ? rwlock_bug.part.0+0x90/0x90 [ 50.840699][ T3613] ? _raw_spin_lock_irq+0x41/0x50 [ 50.845732][ T3613] ? __sanitizer_cov_trace_const_cmp1+0x22/0x80 [ 50.851981][ T3613] ? __sanitizer_cov_trace_const_cmp4+0x1c/0x70 [ 50.858240][ T3613] ? __fget_light+0x20f/0x270 [ 50.862923][ T3613] ? __sanitizer_cov_trace_const_cmp8+0x1d/0x70 [ 50.869180][ T3613] __x64_sys_sendmsg+0x132/0x220 [ 50.874125][ T3613] ? __sys_sendmsg+0x1b0/0x1b0 [ 50.878901][ T3613] ? _raw_spin_unlock_irq+0x2a/0x40 [ 50.884107][ T3613] ? ptrace_notify+0xfa/0x140 [ 50.888794][ T3613] do_syscall_64+0x35/0xb0 [ 50.893217][ T3613] entry_SYSCALL_64_after_hwframe+0x46/0xb0 [ 50.899122][ T3613] RIP: 0033:0x7fb7ec1a46c9 [ 50.903543][ T3613] 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 [ 50.923161][ T3613] RSP: 002b:00007fff53742528 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 50.931581][ T3613] RAX: ffffffffffffffda RBX: 00007fff53742550 RCX: 00007fb7ec1a46c9 [ 50.939730][ T3613] RDX: 0000000000000000 RSI: 0000000020000140 RDI: 0000000000000003 [ 50.947704][ T3613] RBP: 0000000000000003 R08: bb1414ac53742557 R09: bb1414ac53742557 [ 50.955765][ T3613] R10: 0000000000000004 R11: 0000000000000246 R12: 0000000000000000 [ 50.963740][ T3613] R13: 00007fff53742540 R14: 00007fff53742538 R15: 00007fff53742534 [ 50.971719][ T3613] [ 50.974735][ T3613] Modules linked in: [ 50.978761][ T3613] ---[ end trace 0000000000000000 ]--- [ 50.978771][ T3613] RIP: 0010:skb_mac_gso_segment+0x48f/0x530 [ 50.978805][ T3613] Code: 00 48 c7 c7 00 21 d4 8a c6 05 56 3d 48 06 01 e8 50 c0 d0 01 e9 2f fd ff ff 49 c7 c4 ea ff ff ff e9 f1 fe ff ff e8 11 db 1b fa <0f> 0b 48 89 df e8 e7 20 68 fa e9 7f fd ff ff e8 fd 20 68 fa e9 48 [ 50.978838][ T3613] RSP: 0018:ffffc9000304f4b8 EFLAGS: 00010293 [ 50.978855][ T3613] RAX: 0000000000000000 RBX: 0000000000000012 RCX: 0000000000000000 [ 50.978867][ T3613] RDX: ffff888023403b00 RSI: ffffffff875dd94f RDI: 0000000000000003 [ 50.978882][ T3613] RBP: 0000000000005dbc R08: 0000000000000fe0 R09: 0000000000005dbc [ 50.978895][ T3613] R10: ffffffff875dd5ec R11: 0000000000000000 R12: 0000000000000fe0 [ 50.978911][ T3613] R13: ffff88801e5a3dc0 R14: 1ffff92000609e9b R15: 0000000000000012 [ 50.978927][ T3613] FS: 0000555555a2b300(0000) GS:ffff8880b9d00000(0000) knlGS:0000000000000000 [ 50.978952][ T3613] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 50.978969][ T3613] CR2: 00000000200015c0 CR3: 0000000077ca2000 CR4: 00000000003506e0 [ 50.978984][ T3613] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 50.978999][ T3613] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 50.979020][ T3613] Kernel panic - not syncing: Fatal exception in interrupt [ 51.102458][ T3613] Kernel Offset: disabled [ 51.106779][ T3613] Rebooting in 86400 seconds..