./strace-static-x86_64 -e \!wait4,clock_nanosleep,nanosleep -s 100 -x -f ./syz-executor827882747

<...>
Warning: Permanently added '10.128.1.121' (ED25519) to the list of known hosts.
execve("./syz-executor827882747", ["./syz-executor827882747"], 0x7ffe8282fc20 /* 10 vars */) = 0
brk(NULL)                               = 0x5555572af000
brk(0x5555572afd00)                     = 0x5555572afd00
arch_prctl(ARCH_SET_FS, 0x5555572af380) = 0
set_tid_address(0x5555572af650)         = 5061
set_robust_list(0x5555572af660, 24)     = 0
rseq(0x5555572afca0, 0x20, 0, 0x53053053) = 0
prlimit64(0, RLIMIT_STACK, NULL, {rlim_cur=8192*1024, rlim_max=RLIM64_INFINITY}) = 0
readlink("/proc/self/exe", "/root/syz-executor827882747", 4096) = 27
getrandom("\xc7\xdf\x7a\x9d\x83\x99\x76\xc5", 8, GRND_NONBLOCK) = 8
brk(NULL)                               = 0x5555572afd00
brk(0x5555572d0d00)                     = 0x5555572d0d00
brk(0x5555572d1000)                     = 0x5555572d1000
mprotect(0x7fdc7dd0e000, 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=0x5555572af650) = 5062
./strace-static-x86_64: Process 5062 attached
[pid  5062] set_robust_list(0x5555572af660, 24) = 0
[pid  5062] mount(NULL, "/sys/fs/fuse/connections", "fusectl", 0, NULL) = -1 EBUSY (Device or resource busy)
[pid  5062] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid  5062] setsid()                    = 1
[pid  5062] prlimit64(0, RLIMIT_AS, {rlim_cur=204800*1024, rlim_max=204800*1024}, NULL) = 0
[pid  5062] prlimit64(0, RLIMIT_MEMLOCK, {rlim_cur=32768*1024, rlim_max=32768*1024}, NULL) = 0
[pid  5062] prlimit64(0, RLIMIT_FSIZE, {rlim_cur=139264*1024, rlim_max=139264*1024}, NULL) = 0
[pid  5062] prlimit64(0, RLIMIT_STACK, {rlim_cur=1024*1024, rlim_max=1024*1024}, NULL) = 0
[pid  5062] prlimit64(0, RLIMIT_CORE, {rlim_cur=131072*1024, rlim_max=131072*1024}, NULL) = 0
[pid  5062] prlimit64(0, RLIMIT_NOFILE, {rlim_cur=256, rlim_max=256}, NULL) = 0
[pid  5062] unshare(CLONE_NEWNS)        = 0
[pid  5062] mount(NULL, "/", NULL, MS_REC|MS_PRIVATE, NULL) = 0
[pid  5062] unshare(CLONE_NEWIPC)       = 0
[pid  5062] unshare(CLONE_NEWCGROUP)    = 0
[pid  5062] unshare(CLONE_NEWUTS)       = 0
[pid  5062] unshare(CLONE_SYSVSEM)      = 0
[pid  5062] openat(AT_FDCWD, "/proc/sys/kernel/shmmax", O_WRONLY|O_CLOEXEC) = 3
[pid  5062] write(3, "16777216", 8)     = 8
[pid  5062] close(3)                    = 0
[pid  5062] openat(AT_FDCWD, "/proc/sys/kernel/shmall", O_WRONLY|O_CLOEXEC) = 3
[pid  5062] write(3, "536870912", 9)    = 9
[pid  5062] close(3)                    = 0
[pid  5062] openat(AT_FDCWD, "/proc/sys/kernel/shmmni", O_WRONLY|O_CLOEXEC) = 3
[pid  5062] write(3, "1024", 4)         = 4
[pid  5062] close(3)                    = 0
[pid  5062] openat(AT_FDCWD, "/proc/sys/kernel/msgmax", O_WRONLY|O_CLOEXEC) = 3
[pid  5062] write(3, "8192", 4)         = 4
[pid  5062] close(3)                    = 0
[pid  5062] openat(AT_FDCWD, "/proc/sys/kernel/msgmni", O_WRONLY|O_CLOEXEC) = 3
[pid  5062] write(3, "1024", 4)         = 4
[pid  5062] close(3)                    = 0
[pid  5062] openat(AT_FDCWD, "/proc/sys/kernel/msgmnb", O_WRONLY|O_CLOEXEC) = 3
[pid  5062] write(3, "1024", 4)         = 4
[pid  5062] close(3)                    = 0
[pid  5062] openat(AT_FDCWD, "/proc/sys/kernel/sem", O_WRONLY|O_CLOEXEC) = 3
[pid  5062] write(3, "1024 1048576 500 1024", 21) = 21
[pid  5062] close(3)                    = 0
[pid  5062] getpid()                    = 1
[pid  5062] capget({version=_LINUX_CAPABILITY_VERSION_3, pid=1}, {effective=1<<CAP_CHOWN|1<<CAP_DAC_OVERRIDE|1<<CAP_DAC_READ_SEARCH|1<<CAP_FOWNER|1<<CAP_FSETID|1<<CAP_KILL|1<<CAP_SETGID|1<<CAP_SETUID|1<<CAP_SETPCAP|1<<CAP_LINUX_IMMUTABLE|1<<CAP_NET_BIND_SERVICE|1<<CAP_NET_BROADCAST|1<<CAP_NET_ADMIN|1<<CAP_NET_RAW|1<<CAP_IPC_LOCK|1<<CAP_IPC_OWNER|1<<CAP_SYS_MODULE|1<<CAP_SYS_RAWIO|1<<CAP_SYS_CHROOT|1<<CAP_SYS_PTRACE|1<<CAP_SYS_PACCT|1<<CAP_SYS_ADMIN|1<<CAP_SYS_BOOT|1<<CAP_SYS_NICE|1<<CAP_SYS_RESOURCE|1<<CAP_SYS_TIME|1<<CAP_SYS_TTY_CONFIG|1<<CAP_MKNOD|1<<CAP_LEASE|1<<CAP_AUDIT_WRITE|1<<CAP_AUDIT_CONTROL|1<<CAP_SETFCAP|1<<CAP_MAC_OVERRIDE|1<<CAP_MAC_ADMIN|1<<CAP_SYSLOG|1<<CAP_WAKE_ALARM|1<<CAP_BLOCK_SUSPEND|1<<CAP_AUDIT_READ|1<<CAP_PERFMON|1<<CAP_BPF|1<<CAP_CHECKPOINT_RESTORE, permitted=1<<CAP_CHOWN|1<<CAP_DAC_OVERRIDE|1<<CAP_DAC_READ_SEARCH|1<<CAP_FOWNER|1<<CAP_FSETID|1<<CAP_KILL|1<<CAP_SETGID|1<<CAP_SETUID|1<<CAP_SETPCAP|1<<CAP_LINUX_IMMUTABLE|1<<CAP_NET_BIND_SERVICE|1<<CAP_NET_BROADCAST|1<<CAP_NET_ADMIN|1<<CAP_NET_RAW|1<<CAP_IPC_LOCK|1<<CAP_IPC_OWNER|1<<CAP_SYS_MODULE|1<<CAP_SYS_RAWIO|1<<CAP_SYS_CHROOT|1<<CAP_SYS_PTRACE|1<<CAP_SYS_PACCT|1<<CAP_SYS_ADMIN|1<<CAP_SYS_BOOT|1<<CAP_SYS_NICE|1<<CAP_SYS_RESOURCE|1<<CAP_SYS_TIME|1<<CAP_SYS_TTY_CONFIG|1<<CAP_MKNOD|1<<CAP_LEASE|1<<CAP_AUDIT_WRITE|1<<CAP_AUDIT_CONTROL|1<<CAP_SETFCAP|1<<CAP_MAC_OVERRIDE|1<<CAP_MAC_ADMIN|1<<CAP_SYSLOG|1<<CAP_WAKE_ALARM|1<<CAP_BLOCK_SUSPEND|1<<CAP_AUDIT_READ|1<<CAP_PERFMON|1<<CAP_BPF|1<<CAP_CHECKPOINT_RESTORE, inheritable=0}) = 0
[pid  5062] capset({version=_LINUX_CAPABILITY_VERSION_3, pid=1}, {effective=1<<CAP_CHOWN|1<<CAP_DAC_OVERRIDE|1<<CAP_DAC_READ_SEARCH|1<<CAP_FOWNER|1<<CAP_FSETID|1<<CAP_KILL|1<<CAP_SETGID|1<<CAP_SETUID|1<<CAP_SETPCAP|1<<CAP_LINUX_IMMUTABLE|1<<CAP_NET_BIND_SERVICE|1<<CAP_NET_BROADCAST|1<<CAP_NET_ADMIN|1<<CAP_NET_RAW|1<<CAP_IPC_LOCK|1<<CAP_IPC_OWNER|1<<CAP_SYS_MODULE|1<<CAP_SYS_RAWIO|1<<CAP_SYS_CHROOT|1<<CAP_SYS_PACCT|1<<CAP_SYS_ADMIN|1<<CAP_SYS_BOOT|1<<CAP_SYS_RESOURCE|1<<CAP_SYS_TIME|1<<CAP_SYS_TTY_CONFIG|1<<CAP_MKNOD|1<<CAP_LEASE|1<<CAP_AUDIT_WRITE|1<<CAP_AUDIT_CONTROL|1<<CAP_SETFCAP|1<<CAP_MAC_OVERRIDE|1<<CAP_MAC_ADMIN|1<<CAP_SYSLOG|1<<CAP_WAKE_ALARM|1<<CAP_BLOCK_SUSPEND|1<<CAP_AUDIT_READ|1<<CAP_PERFMON|1<<CAP_BPF|1<<CAP_CHECKPOINT_RESTORE, permitted=1<<CAP_CHOWN|1<<CAP_DAC_OVERRIDE|1<<CAP_DAC_READ_SEARCH|1<<CAP_FOWNER|1<<CAP_FSETID|1<<CAP_KILL|1<<CAP_SETGID|1<<CAP_SETUID|1<<CAP_SETPCAP|1<<CAP_LINUX_IMMUTABLE|1<<CAP_NET_BIND_SERVICE|1<<CAP_NET_BROADCAST|1<<CAP_NET_ADMIN|1<<CAP_NET_RAW|1<<CAP_IPC_LOCK|1<<CAP_IPC_OWNER|1<<CAP_SYS_MODULE|1<<CAP_SYS_RAWIO|1<<CAP_SYS_CHROOT|1<<CAP_SYS_PACCT|1<<CAP_SYS_ADMIN|1<<CAP_SYS_BOOT|1<<CAP_SYS_RESOURCE|1<<CAP_SYS_TIME|1<<CAP_SYS_TTY_CONFIG|1<<CAP_MKNOD|1<<CAP_LEASE|1<<CAP_AUDIT_WRITE|1<<CAP_AUDIT_CONTROL|1<<CAP_SETFCAP|1<<CAP_MAC_OVERRIDE|1<<CAP_MAC_ADMIN|1<<CAP_SYSLOG|1<<CAP_WAKE_ALARM|1<<CAP_BLOCK_SUSPEND|1<<CAP_AUDIT_READ|1<<CAP_PERFMON|1<<CAP_BPF|1<<CAP_CHECKPOINT_RESTORE, inheritable=0}) = 0
[pid  5062] unshare(CLONE_NEWNET)       = 0
[pid  5062] openat(AT_FDCWD, "/proc/sys/net/ipv4/ping_group_range", O_WRONLY|O_CLOEXEC) = 3
[pid  5062] write(3, "0 65535", 7)      = 7
[pid  5062] close(3)                    = 0
[pid  5062] mkdir("/dev/binderfs", 0777) = 0
[pid  5062] mount("binder", "/dev/binderfs", "binder", 0, NULL) = 0
[pid  5062] symlink("/dev/binderfs", "./binderfs") = 0
[pid  5062] socket(AF_NETLINK, SOCK_RAW, NETLINK_ROUTE) = 3
[pid  5062] socket(AF_NETLINK, SOCK_RAW|SOCK_NONBLOCK, NETLINK_ROUTE) = 4
[pid  5062] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=[{iov_base=NULL, iov_len=146}], msg_iovlen=1, msg_controllen=0, msg_flags=0}, 0) = -1 EFAULT (Bad address)
[pid  5062] getsockname(4, {sa_family=AF_NETLINK, nl_pid=1, nl_groups=00000000}, [20 => 12]) = 0
[   92.363990][ T5062] BUG: kernel NULL pointer dereference, address: 0000000000000000
[   92.371894][ T5062] #PF: supervisor instruction fetch in kernel mode
[   92.378395][ T5062] #PF: error_code(0x0010) - not-present page
[   92.384368][ T5062] PGD 2eb0b067 P4D 2eb0b067 PUD 1d9e6067 PMD 0 
[   92.390636][ T5062] Oops: 0010 [#1] PREEMPT SMP KASAN
[   92.395861][ T5062] CPU: 0 PID: 5062 Comm: syz-executor827 Not tainted 6.7.0-rc8-next-20240105-syzkaller #0
[   92.405777][ T5062] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 11/17/2023
[   92.415842][ T5062] RIP: 0010:0x0
[   92.419313][ T5062] Code: Unable to access opcode bytes at 0xffffffffffffffd6.
[   92.426687][ T5062] RSP: 0018:ffffc90003a6f408 EFLAGS: 00010246
[   92.432769][ T5062] RAX: dffffc0000000000 RBX: ffff8880238b7000 RCX: ffffffff889a5187
[   92.440767][ T5062] RDX: 0000000000000000 RSI: 000000000000fff2 RDI: ffff8880238b7000
[   92.448763][ T5062] RBP: ffffffff8f3b9260 R08: 0000000000000001 R09: 0000000000000000
[   92.456758][ T5062] R10: 0000000000000001 R11: ffffffff8aa00087 R12: ffff88802e436000
[   92.464745][ T5062] R13: ffffffff8beef640 R14: 0000000000000001 R15: ffffffff8f3b9260
[   92.472731][ T5062] FS:  00005555572af380(0000) GS:ffff8880b9800000(0000) knlGS:0000000000000000
[   92.481685][ T5062] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   92.488331][ T5062] CR2: ffffffffffffffd6 CR3: 0000000079854000 CR4: 00000000003506f0
[   92.496322][ T5062] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[   92.504336][ T5062] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[   92.512414][ T5062] Call Trace:
[   92.515708][ T5062]  <TASK>
[   92.518652][ T5062]  ? show_regs+0x8e/0xa0
[   92.522948][ T5062]  ? __die+0x2c/0x80
[   92.526874][ T5062]  ? page_fault_oops+0x397/0xab0
[   92.531841][ T5062]  ? dump_pagetable+0x530/0x530
[   92.536735][ T5062]  ? netem_change+0x1505/0x2520
[   92.541620][ T5062]  ? netem_dump+0x1260/0x1260
[   92.546315][ T5062]  ? do_user_addr_fault+0x562/0x1020
[   92.551809][ T5062]  ? rcu_is_watching+0x12/0xb0
[   92.556870][ T5062]  ? exc_page_fault+0x5c/0xc0
[   92.561572][ T5062]  ? asm_exc_page_fault+0x26/0x30
[   92.566625][ T5062]  ? entry_SYSCALL_64_after_hwframe+0x62/0x6a
[   92.572751][ T5062]  ? qdisc_create+0xca7/0x1440
[   92.577546][ T5062]  qdisc_create+0x6c0/0x1440
[   92.582200][ T5062]  ? tc_get_qdisc+0xdf0/0xdf0
[   92.586920][ T5062]  ? __nla_parse+0x40/0x50
[   92.591374][ T5062]  tc_modify_qdisc+0x4d5/0x1c30
[   92.596267][ T5062]  ? qdisc_create+0x1440/0x1440
[   92.601168][ T5062]  ? trace_irq_enable.constprop.0+0xe0/0x110
[   92.607197][ T5062]  ? bpf_lsm_capable+0x9/0x10
[   92.611894][ T5062]  ? security_capable+0x92/0xc0
[   92.616775][ T5062]  ? qdisc_create+0x1440/0x1440
[   92.621652][ T5062]  rtnetlink_rcv_msg+0x3c7/0xe00
[   92.626620][ T5062]  ? rtnl_fill_vf+0x490/0x490
[   92.631322][ T5062]  netlink_rcv_skb+0x16b/0x440
[   92.636106][ T5062]  ? rtnl_fill_vf+0x490/0x490
[   92.640800][ T5062]  ? netlink_ack+0x1380/0x1380
[   92.645588][ T5062]  ? lock_sync+0x190/0x190
[   92.650018][ T5062]  ? __rhashtable_lookup.constprop.0+0x397/0x710
[   92.656382][ T5062]  ? netlink_deliver_tap+0x1a0/0xd00
[   92.661688][ T5062]  ? _copy_from_iter+0x2c1/0x10f0
[   92.666734][ T5062]  netlink_unicast+0x53b/0x810
[   92.671525][ T5062]  ? netlink_attachskb+0x870/0x870
[   92.676673][ T5062]  ? __phys_addr_symbol+0x30/0x70
[   92.681724][ T5062]  ? __check_object_size+0x322/0x730
[   92.687042][ T5062]  netlink_sendmsg+0x8b4/0xd70
[   92.691832][ T5062]  ? netlink_unicast+0x810/0x810
[   92.696801][ T5062]  ? bpf_lsm_socket_sendmsg+0x9/0x10
[   92.702246][ T5062]  ? netlink_unicast+0x810/0x810
[   92.707206][ T5062]  __sock_sendmsg+0xd5/0x180
[   92.711827][ T5062]  ____sys_sendmsg+0x6ac/0x940
[   92.716624][ T5062]  ? copy_msghdr_from_user+0x10b/0x160
[   92.722119][ T5062]  ? kernel_sendmsg+0x50/0x50
[   92.726828][ T5062]  ? finish_task_switch.isra.0+0x217/0xcb0
[   92.732660][ T5062]  ? __switch_to+0x749/0x1370
[   92.737370][ T5062]  ___sys_sendmsg+0x135/0x1d0
[   92.742066][ T5062]  ? do_recvmmsg+0x740/0x740
[   92.746671][ T5062]  ? trace_irq_enable.constprop.0+0xe0/0x110
[   92.752700][ T5062]  ? lock_sync+0x190/0x190
[   92.757121][ T5062]  ? ptrace_stop.part.0+0x44a/0x930
[   92.762344][ T5062]  ? __fget_light+0x172/0x200
[   92.767046][ T5062]  __sys_sendmsg+0x117/0x1e0
[   92.771658][ T5062]  ? __sys_sendmsg_sock+0x30/0x30
[   92.776700][ T5062]  ? ptrace_notify+0xf1/0x130
[   92.781431][ T5062]  ? _raw_spin_unlock_irq+0x2e/0x50
[   92.786652][ T5062]  ? ptrace_notify+0xf1/0x130
[   92.791365][ T5062]  do_syscall_64+0xd0/0x250
[   92.795900][ T5062]  entry_SYSCALL_64_after_hwframe+0x62/0x6a
[   92.801821][ T5062] RIP: 0033:0x7fdc7dc9a8b9
[   92.806240][ T5062] Code: 48 83 c4 28 c3 e8 27 18 00 00 0f 1f 80 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 b8 ff ff ff f7 d8 64 89 01 48
[   92.825869][ T5062] RSP: 002b:00007fff2f3ae508 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[   92.834297][ T5062] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007fdc7dc9a8b9
[   92.842277][ T5062] RDX: 0000000000000000 RSI: 00000000200001c0 RDI: 0000000000000003
[   92.850259][ T5062] RBP: 0000000000000000 R08: 0000000000000000 R09: 00007fff2f3ae580
[   92.858254][ T5062] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
[   92.866230][ T5062] R13: 00007fff2f3ae708 R14: 0000000000000001 R15: 0000000000000001
[   92.874217][ T5062]  </TASK>
[   92.877241][ T5062] Modules linked in:
[   92.881135][ T5062] CR2: 0000000000000000
[   92.885291][ T5062] ---[ end trace 0000000000000000 ]---
[   92.890747][ T5062] RIP: 0010:0x0
[   92.894219][ T5062] Code: Unable to access opcode bytes at 0xffffffffffffffd6.
[   92.901585][ T5062] RSP: 0018:ffffc90003a6f408 EFLAGS: 00010246
[   92.907667][ T5062] RAX: dffffc0000000000 RBX: ffff8880238b7000 RCX: ffffffff889a5187
[   92.915649][ T5062] RDX: 0000000000000000 RSI: 000000000000fff2 RDI: ffff8880238b7000
[   92.923634][ T5062] RBP: ffffffff8f3b9260 R08: 0000000000000001 R09: 0000000000000000
[   92.931617][ T5062] R10: 0000000000000001 R11: ffffffff8aa00087 R12: ffff88802e436000
[   92.939603][ T5062] R13: ffffffff8beef640 R14: 0000000000000001 R15: ffffffff8f3b9260
[   92.947593][ T5062] FS:  00005555572af380(0000) GS:ffff8880b9800000(0000) knlGS:0000000000000000
[   92.956558][ T5062] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   92.963153][ T5062] CR2: ffffffffffffffd6 CR3: 0000000079854000 CR4: 00000000003506f0
[   92.971139][ T5062] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[   92.979116][ T5062] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[   92.987099][ T5062] Kernel panic - not syncing: Fatal exception
[   92.993460][ T5062] Kernel Offset: disabled
[   92.997782][ T5062] Rebooting in 86400 seconds..