./strace-static-x86_64 -e \!wait4,clock_nanosleep,nanosleep -s 100 -x -f ./syz-executor3573834632 <...> Warning: Permanently added '10.128.0.184' (ECDSA) to the list of known hosts. execve("./syz-executor3573834632", ["./syz-executor3573834632"], 0x7ffe768f3330 /* 10 vars */) = 0 brk(NULL) = 0x555556f80000 brk(0x555556f80c40) = 0x555556f80c40 arch_prctl(ARCH_SET_FS, 0x555556f80300) = 0 uname({sysname="Linux", nodename="syzkaller", ...}) = 0 readlink("/proc/self/exe", "/root/syz-executor3573834632", 4096) = 28 brk(0x555556fa1c40) = 0x555556fa1c40 brk(0x555556fa2000) = 0x555556fa2000 mprotect(0x7f488268b000, 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 3608 attached , child_tidptr=0x555556f805d0) = 3608 [pid 3608] mount(NULL, "/sys/fs/fuse/connections", "fusectl", 0, NULL) = -1 EBUSY (Device or resource busy) [pid 3608] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 3608] setsid() = 1 [pid 3608] prlimit64(0, RLIMIT_AS, {rlim_cur=204800*1024, rlim_max=204800*1024}, NULL) = 0 [pid 3608] prlimit64(0, RLIMIT_MEMLOCK, {rlim_cur=32768*1024, rlim_max=32768*1024}, NULL) = 0 [pid 3608] prlimit64(0, RLIMIT_FSIZE, {rlim_cur=139264*1024, rlim_max=139264*1024}, NULL) = 0 [pid 3608] prlimit64(0, RLIMIT_STACK, {rlim_cur=1024*1024, rlim_max=1024*1024}, NULL) = 0 [pid 3608] prlimit64(0, RLIMIT_CORE, {rlim_cur=0, rlim_max=0}, NULL) = 0 [pid 3608] prlimit64(0, RLIMIT_NOFILE, {rlim_cur=256, rlim_max=256}, NULL) = 0 [pid 3608] unshare(CLONE_NEWNS) = 0 [pid 3608] mount(NULL, "/", NULL, MS_REC|MS_PRIVATE, NULL) = 0 [pid 3608] unshare(CLONE_NEWIPC) = 0 [pid 3608] unshare(CLONE_NEWCGROUP) = 0 [pid 3608] unshare(CLONE_NEWUTS) = 0 [pid 3608] unshare(CLONE_SYSVSEM) = 0 [pid 3608] openat(AT_FDCWD, "/proc/sys/kernel/shmmax", O_WRONLY|O_CLOEXEC) = 3 [pid 3608] write(3, "16777216", 8) = 8 [pid 3608] close(3) = 0 [pid 3608] openat(AT_FDCWD, "/proc/sys/kernel/shmall", O_WRONLY|O_CLOEXEC) = 3 [pid 3608] write(3, "536870912", 9) = 9 [pid 3608] close(3) = 0 [pid 3608] openat(AT_FDCWD, "/proc/sys/kernel/shmmni", O_WRONLY|O_CLOEXEC) = 3 [pid 3608] write(3, "1024", 4) = 4 [pid 3608] close(3) = 0 [pid 3608] openat(AT_FDCWD, "/proc/sys/kernel/msgmax", O_WRONLY|O_CLOEXEC) = 3 [pid 3608] write(3, "8192", 4) = 4 [pid 3608] close(3) = 0 [pid 3608] openat(AT_FDCWD, "/proc/sys/kernel/msgmni", O_WRONLY|O_CLOEXEC) = 3 [pid 3608] write(3, "1024", 4) = 4 [pid 3608] close(3) = 0 [pid 3608] openat(AT_FDCWD, "/proc/sys/kernel/msgmnb", O_WRONLY|O_CLOEXEC) = 3 [pid 3608] write(3, "1024", 4) = 4 [pid 3608] close(3) = 0 [pid 3608] openat(AT_FDCWD, "/proc/sys/kernel/sem", O_WRONLY|O_CLOEXEC) = 3 [pid 3608] write(3, "1024 1048576 500 1024", 21) = 21 [pid 3608] close(3) = 0 [pid 3608] getpid() = 1 [pid 3608] capget({version=_LINUX_CAPABILITY_VERSION_3, pid=1}, {effective=1< 0b e9 4f f2 ff ff e8 28 18 26 fa e8 a3 17 10 fa 31 ff 89 c3 89 [ 51.319451][ T3608] RSP: 0018:ffffc900031af748 EFLAGS: 00010286 [ 51.325823][ T3608] RAX: 0000000000000000 RBX: 0000000000000000 RCX: 0000000000000000 [ 51.334035][ T3608] RDX: ffff88801b9bbb00 RSI: ffffffff8160d618 RDI: fffff52000635edb [ 51.342182][ T3608] RBP: ffff888020059aba R08: 0000000000000005 R09: 0000000000000000 [ 51.350178][ T3608] R10: 0000000080000000 R11: 0000000000000001 R12: ffff888020059a00 [ 51.358463][ T3608] R13: 0000000000000000 R14: ffff888020059a10 R15: ffff888020059a00 [ 51.368009][ T3608] FS: 0000555556f80300(0000) GS:ffff8880b9a00000(0000) knlGS:0000000000000000 [ 51.377219][ T3608] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 51.383871][ T3608] CR2: 0000561be8192048 CR3: 0000000020721000 CR4: 00000000003506f0 [ 51.392186][ T3608] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 51.400193][ T3608] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 51.408433][ T3608] Call Trace: [ 51.412512][ T3608] [ 51.415446][ T3608] ? skb_set_owner_w+0x269/0x420 [ 51.420403][ T3608] ? netdev_core_pick_tx+0x2e0/0x2e0 [ 51.426226][ T3608] ? sock_alloc_send_pskb+0x6c7/0x920 [ 51.431948][ T3608] ? packet_parse_headers+0x43c/0x980 [ 51.437374][ T3608] ? packet_parse_headers+0x200/0x980 [ 51.446643][ T3608] ? sock_wmalloc+0x120/0x120 [ 51.451628][ T3608] ? lockdep_hardirqs_on_prepare+0x400/0x400 [ 51.457642][ T3608] ? tpacket_destruct_skb+0x7c0/0x7c0 [ 51.463927][ T3608] ? skb_copy_datagram_from_iter+0x474/0x6c0 [ 51.469927][ T3608] packet_sendmsg+0x21f4/0x55d0 [ 51.475641][ T3608] ? aa_sk_perm+0x30f/0xaa0 [ 51.480252][ T3608] ? _copy_from_user+0xf9/0x170 [ 51.485367][ T3608] ? packet_lookup_frame.isra.0+0x1c0/0x1c0 [ 51.492144][ T3608] ? aa_af_perm+0x230/0x230 [ 51.496668][ T3608] ? bpf_lsm_socket_sendmsg+0x5/0x10 [ 51.502374][ T3608] ? packet_lookup_frame.isra.0+0x1c0/0x1c0 [ 51.509173][ T3608] sock_sendmsg+0xcf/0x120 [ 51.513776][ T3608] ____sys_sendmsg+0x6eb/0x810 [ 51.518570][ T3608] ? kernel_sendmsg+0x50/0x50 [ 51.523538][ T3608] ? do_recvmmsg+0x6d0/0x6d0 [ 51.528167][ T3608] ? lockdep_hardirqs_on_prepare+0x400/0x400 [ 51.534927][ T3608] ? lockdep_hardirqs_on+0x79/0x100 [ 51.540172][ T3608] ___sys_sendmsg+0xf3/0x170 [ 51.545043][ T3608] ? sendmsg_copy_msghdr+0x160/0x160 [ 51.550356][ T3608] ? lock_release+0x780/0x780 [ 51.555479][ T3608] ? ptrace_stop.part.0+0x5ec/0xa80 [ 51.560905][ T3608] ? do_raw_spin_lock+0x120/0x2a0 [ 51.566028][ T3608] ? __fget_light+0x20a/0x270 [ 51.571436][ T3608] __x64_sys_sendmsg+0x132/0x220 [ 51.576403][ T3608] ? __sys_sendmsg+0x1b0/0x1b0 [ 51.581857][ T3608] ? _raw_spin_unlock_irq+0x2a/0x40 [ 51.587063][ T3608] ? ptrace_notify+0xfa/0x140 [ 51.591965][ T3608] do_syscall_64+0x35/0xb0 [ 51.596407][ T3608] entry_SYSCALL_64_after_hwframe+0x46/0xb0 [ 51.602638][ T3608] RIP: 0033:0x7f4882617369 [ 51.607077][ T3608] 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 [ 51.628992][ T3608] RSP: 002b:00007fff94d23dd8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 51.637565][ T3608] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f4882617369 [ 51.645893][ T3608] RDX: 0000000000000000 RSI: 0000000020000100 RDI: 0000000000000003 [ 51.654771][ T3608] RBP: 0000000000000003 R08: 0000000000000000 R09: 0000000000000000 [ 51.663110][ T3608] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fff94d23df0 [ 51.671508][ T3608] R13: 00007fff94d23e10 R14: 0000000000000000 R15: 0000000000000000 [ 51.679544][ T3608] [ 51.682857][ T3608] Kernel panic - not syncing: panic_on_warn set ... [ 51.689725][ T3608] CPU: 1 PID: 3608 Comm: syz-executor357 Not tainted 5.19.0-rc5-syzkaller-01146-gb77ffb30cfc5 #0 [ 51.700234][ T3608] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/29/2022 [ 51.710299][ T3608] Call Trace: [ 51.713578][ T3608] [ 51.716500][ T3608] dump_stack_lvl+0xcd/0x134 [ 51.721173][ T3608] panic+0x2d7/0x636 [ 51.725065][ T3608] ? panic_print_sys_info.part.0+0x10b/0x10b [ 51.731057][ T3608] ? __warn.cold+0x1d1/0x2c5 [ 51.735670][ T3608] ? __dev_queue_xmit+0x313c/0x3ad0 [ 51.740865][ T3608] __warn.cold+0x1e2/0x2c5 [ 51.745272][ T3608] ? __dev_queue_xmit+0x313c/0x3ad0 [ 51.750548][ T3608] report_bug+0x1bc/0x210 [ 51.754871][ T3608] handle_bug+0x3c/0x60 [ 51.759018][ T3608] exc_invalid_op+0x14/0x40 [ 51.763521][ T3608] asm_exc_invalid_op+0x1b/0x20 [ 51.768377][ T3608] RIP: 0010:__dev_queue_xmit+0x313c/0x3ad0 [ 51.774188][ T3608] Code: 10 e8 18 6c 73 fa e9 b4 f2 ff ff e8 4e 18 26 fa 48 c7 c6 a0 81 d3 8a 48 c7 c7 a0 55 d3 8a c6 05 89 33 52 06 01 e8 45 75 de 01 <0f> 0b e9 4f f2 ff ff e8 28 18 26 fa e8 a3 17 10 fa 31 ff 89 c3 89 [ 51.793817][ T3608] RSP: 0018:ffffc900031af748 EFLAGS: 00010286 [ 51.799874][ T3608] RAX: 0000000000000000 RBX: 0000000000000000 RCX: 0000000000000000 [ 51.807833][ T3608] RDX: ffff88801b9bbb00 RSI: ffffffff8160d618 RDI: fffff52000635edb [ 51.815793][ T3608] RBP: ffff888020059aba R08: 0000000000000005 R09: 0000000000000000 [ 51.823751][ T3608] R10: 0000000080000000 R11: 0000000000000001 R12: ffff888020059a00 [ 51.831714][ T3608] R13: 0000000000000000 R14: ffff888020059a10 R15: ffff888020059a00 [ 51.839768][ T3608] ? vprintk+0x88/0x90 [ 51.843959][ T3608] ? __dev_queue_xmit+0x313c/0x3ad0 [ 51.849198][ T3608] ? skb_set_owner_w+0x269/0x420 [ 51.854138][ T3608] ? netdev_core_pick_tx+0x2e0/0x2e0 [ 51.859424][ T3608] ? sock_alloc_send_pskb+0x6c7/0x920 [ 51.864798][ T3608] ? packet_parse_headers+0x43c/0x980 [ 51.870161][ T3608] ? packet_parse_headers+0x200/0x980 [ 51.875522][ T3608] ? sock_wmalloc+0x120/0x120 [ 51.880187][ T3608] ? lockdep_hardirqs_on_prepare+0x400/0x400 [ 51.886171][ T3608] ? tpacket_destruct_skb+0x7c0/0x7c0 [ 51.891542][ T3608] ? skb_copy_datagram_from_iter+0x474/0x6c0 [ 51.897608][ T3608] packet_sendmsg+0x21f4/0x55d0 [ 51.902469][ T3608] ? aa_sk_perm+0x30f/0xaa0 [ 51.906965][ T3608] ? _copy_from_user+0xf9/0x170 [ 51.911814][ T3608] ? packet_lookup_frame.isra.0+0x1c0/0x1c0 [ 51.917703][ T3608] ? aa_af_perm+0x230/0x230 [ 51.922204][ T3608] ? bpf_lsm_socket_sendmsg+0x5/0x10 [ 51.927480][ T3608] ? packet_lookup_frame.isra.0+0x1c0/0x1c0 [ 51.933388][ T3608] sock_sendmsg+0xcf/0x120 [ 51.937852][ T3608] ____sys_sendmsg+0x6eb/0x810 [ 51.942635][ T3608] ? kernel_sendmsg+0x50/0x50 [ 51.947376][ T3608] ? do_recvmmsg+0x6d0/0x6d0 [ 51.951968][ T3608] ? lockdep_hardirqs_on_prepare+0x400/0x400 [ 51.957972][ T3608] ? lockdep_hardirqs_on+0x79/0x100 [ 51.963176][ T3608] ___sys_sendmsg+0xf3/0x170 [ 51.967772][ T3608] ? sendmsg_copy_msghdr+0x160/0x160 [ 51.973058][ T3608] ? lock_release+0x780/0x780 [ 51.977722][ T3608] ? ptrace_stop.part.0+0x5ec/0xa80 [ 51.982919][ T3608] ? do_raw_spin_lock+0x120/0x2a0 [ 51.987942][ T3608] ? __fget_light+0x20a/0x270 [ 51.992623][ T3608] __x64_sys_sendmsg+0x132/0x220 [ 51.997900][ T3608] ? __sys_sendmsg+0x1b0/0x1b0 [ 52.002659][ T3608] ? _raw_spin_unlock_irq+0x2a/0x40 [ 52.008024][ T3608] ? ptrace_notify+0xfa/0x140 [ 52.012706][ T3608] do_syscall_64+0x35/0xb0 [ 52.017117][ T3608] entry_SYSCALL_64_after_hwframe+0x46/0xb0 [ 52.023005][ T3608] RIP: 0033:0x7f4882617369 [ 52.027407][ T3608] 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 [ 52.047014][ T3608] RSP: 002b:00007fff94d23dd8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 52.055417][ T3608] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f4882617369 [ 52.063376][ T3608] RDX: 0000000000000000 RSI: 0000000020000100 RDI: 0000000000000003 [ 52.071334][ T3608] RBP: 0000000000000003 R08: 0000000000000000 R09: 0000000000000000 [ 52.079291][ T3608] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fff94d23df0 [ 52.087259][ T3608] R13: 00007fff94d23e10 R14: 0000000000000000 R15: 0000000000000000 [ 52.095232][ T3608] [ 52.098537][ T3608] Kernel Offset: disabled [ 52.102934][ T3608] Rebooting in 86400 seconds..