./strace-static-x86_64 -e \!wait4,clock_nanosleep,nanosleep -s 100 -x -f ./syz-executor3380053072 <...> Warning: Permanently added '10.128.10.29' (ECDSA) to the list of known hosts. execve("./syz-executor3380053072", ["./syz-executor3380053072"], 0x7ffdb6f97f90 /* 10 vars */) = 0 brk(NULL) = 0x555556dc2000 brk(0x555556dc2c40) = 0x555556dc2c40 arch_prctl(ARCH_SET_FS, 0x555556dc2300) = 0 uname({sysname="Linux", nodename="syzkaller", ...}) = 0 readlink("/proc/self/exe", "/root/syz-executor3380053072", 4096) = 28 brk(0x555556de3c40) = 0x555556de3c40 brk(0x555556de4000) = 0x555556de4000 mprotect(0x7f3b44812000, 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 getpid() = 3601 openat(AT_FDCWD, "/sys/kernel/debug/x86/nmi_longest_ns", O_WRONLY|O_CLOEXEC) = 3 write(3, "10000000000", 11) = 11 close(3) = 0 openat(AT_FDCWD, "/proc/sys/kernel/hung_task_check_interval_secs", O_WRONLY|O_CLOEXEC) = 3 write(3, "20", 2) = 2 close(3) = 0 openat(AT_FDCWD, "/proc/sys/net/core/bpf_jit_kallsyms", O_WRONLY|O_CLOEXEC) = 3 write(3, "1", 1) = 1 close(3) = 0 openat(AT_FDCWD, "/proc/sys/net/core/bpf_jit_harden", O_WRONLY|O_CLOEXEC) = 3 write(3, "0", 1) = 1 close(3) = 0 openat(AT_FDCWD, "/proc/sys/kernel/kptr_restrict", O_WRONLY|O_CLOEXEC) = 3 write(3, "0", 1) = 1 close(3) = 0 openat(AT_FDCWD, "/proc/sys/kernel/softlockup_all_cpu_backtrace", O_WRONLY|O_CLOEXEC) = 3 write(3, "1", 1) = 1 close(3) = 0 openat(AT_FDCWD, "/proc/sys/fs/mount-max", O_WRONLY|O_CLOEXEC) = 3 write(3, "100", 3) = 3 close(3) = 0 openat(AT_FDCWD, "/proc/sys/vm/oom_dump_tasks", O_WRONLY|O_CLOEXEC) = 3 write(3, "0", 1) = 1 close(3) = 0 openat(AT_FDCWD, "/proc/sys/debug/exception-trace", O_WRONLY|O_CLOEXEC) = 3 write(3, "0", 1) = 1 close(3) = 0 openat(AT_FDCWD, "/proc/sys/kernel/printk", O_WRONLY|O_CLOEXEC) = 3 write(3, "7 4 1 3", 7) = 7 close(3) = 0 openat(AT_FDCWD, "/proc/sys/kernel/keys/gc_delay", O_WRONLY|O_CLOEXEC) = 3 write(3, "1", 1) = 1 close(3) = 0 openat(AT_FDCWD, "/proc/sys/vm/oom_kill_allocating_task", O_WRONLY|O_CLOEXEC) = 3 write(3, "1", 1) = 1 close(3) = 0 openat(AT_FDCWD, "/proc/sys/kernel/ctrl-alt-del", O_WRONLY|O_CLOEXEC) = 3 write(3, "0", 1) = 1 close(3) = 0 openat(AT_FDCWD, "/proc/sys/kernel/cad_pid", O_WRONLY|O_CLOEXEC) = 3 write(3, "3601", 4) = 4 close(3) = 0 openat(AT_FDCWD, "/sys/kernel/debug/failslab/ignore-gfp-wait", O_WRONLY|O_CLOEXEC) = 3 write(3, "N", 1) = 1 close(3) = 0 openat(AT_FDCWD, "/sys/kernel/debug/fail_futex/ignore-private", O_WRONLY|O_CLOEXEC) = 3 write(3, "N", 1) = 1 close(3) = 0 openat(AT_FDCWD, "/sys/kernel/debug/fail_page_alloc/ignore-gfp-highmem", O_WRONLY|O_CLOEXEC) = 3 write(3, "N", 1) = 1 close(3) = 0 openat(AT_FDCWD, "/sys/kernel/debug/fail_page_alloc/ignore-gfp-wait", O_WRONLY|O_CLOEXEC) = 3 write(3, "N", 1) = 1 close(3) = 0 openat(AT_FDCWD, "/sys/kernel/debug/fail_page_alloc/min-order", O_WRONLY|O_CLOEXEC) = 3 write(3, "0", 1) = 1 close(3) = 0 socket(AF_NETLINK, SOCK_RAW, NETLINK_ROUTE) = 3 socket(AF_NETLINK, SOCK_RAW, NETLINK_GENERIC) = 4 sendto(4, [{nlmsg_len=36, nlmsg_type=0x10 /* NLMSG_??? */, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK, nlmsg_seq=0, nlmsg_pid=0}, "\x03\x00\x00\x00\x0d\x00\x02\x00\x6e\x6c\x38\x30\x32\x31\x35\x34\x00\x00\x00\x00"], 36, 0, {sa_family=AF_NETLINK, nl_pid=0, nl_groups=00000000}, 12) = 36 recvfrom(4, [{nlmsg_len=680, nlmsg_type=nlctrl, nlmsg_flags=0, nlmsg_seq=0, nlmsg_pid=3601}, "\x01\x02\x00\x00\x0d\x00\x02\x00\x6e\x6c\x38\x30\x32\x31\x35\x34\x00\x00\x00\x00\x06\x00\x01\x00\x1c\x00\x00\x00\x08\x00\x03\x00\x01\x00\x00\x00\x08\x00\x04\x00\x00\x00\x00\x00\x08\x00\x05\x00\x25\x00\x00\x00\x48\x02\x06\x00\x14\x00\x01\x00\x08\x00\x01\x00\x01\x00\x00\x00\x08\x00\x02\x00\x0e\x00\x00\x00\x14\x00\x02\x00\x08\x00\x01\x00\x05\x00\x00\x00\x08\x00\x02\x00\x0e\x00\x00\x00\x14\x00\x03\x00"...], 4096, 0, NULL, NULL) = 680 recvfrom(4, [{nlmsg_len=36, nlmsg_type=NLMSG_ERROR, nlmsg_flags=NLM_F_CAPPED, nlmsg_seq=0, nlmsg_pid=3601}, {error=0, msg={nlmsg_len=36, nlmsg_type=nlctrl, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK, nlmsg_seq=0, nlmsg_pid=0}}], 4096, 0, NULL, NULL) = 36 access("/proc/net", R_OK) = 0 access("/proc/net/unix", R_OK) = 0 socket(AF_UNIX, SOCK_DGRAM|SOCK_CLOEXEC, 0) = 5 ioctl(5, SIOCGIFINDEX, {ifr_name="wpan0", ifr_ifindex=11}) = 0 close(5) = 0 sendto(4, [{nlmsg_len=36, nlmsg_type=nl802154, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK, nlmsg_seq=0, nlmsg_pid=0}, "\x0b\x00\x00\x00\x08\x00\x03\x00\x0b\x00\x00\x00\x06\x00\x0a\x00\xa0\xaa\x00\x00"], 36, 0, {sa_family=AF_NETLINK, nl_pid=0, nl_groups=00000000}, 12) = 36 recvfrom(4, [{nlmsg_len=36, nlmsg_type=NLMSG_ERROR, nlmsg_flags=NLM_F_CAPPED, nlmsg_seq=0, nlmsg_pid=3601}, {error=0, msg={nlmsg_len=36, nlmsg_type=nl802154, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK, nlmsg_seq=0, nlmsg_pid=0}}], 4096, 0, NULL, NULL) = 36 socket(AF_UNIX, SOCK_DGRAM|SOCK_CLOEXEC, 0) = 5 ioctl(5, SIOCGIFINDEX, {ifr_name="wpan0", ifr_ifindex=11}) = 0 close(5) = 0 sendto(3, [{nlmsg_len=44, nlmsg_type=0x10 /* NLMSG_??? */, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK, nlmsg_seq=0, nlmsg_pid=0}, "\x00\x00\x00\x00\x0b\x00\x00\x00\x01\x00\x00\x00\x01\x00\x00\x00\x0c\x00\x01\x00\x02\x00\xaa\xaa\xaa\xaa\xaa\xaa"], 44, 0, {sa_family=AF_NETLINK, nl_pid=0, nl_groups=00000000}, 12) = 44 recvfrom(3, [{nlmsg_len=36, nlmsg_type=NLMSG_ERROR, nlmsg_flags=NLM_F_CAPPED, nlmsg_seq=0, nlmsg_pid=3601}, {error=0, msg={nlmsg_len=44, nlmsg_type=RTM_NEWLINK, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK, nlmsg_seq=0, nlmsg_pid=0}}], 4096, 0, NULL, NULL) = 36 sendto(3, [{nlmsg_len=68, nlmsg_type=RTM_NEWLINK, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK|NLM_F_EXCL|NLM_F_CREATE, nlmsg_seq=0, nlmsg_pid=0}, {ifi_family=AF_UNSPEC, ifi_type=ARPHRD_NETROM, ifi_index=0, ifi_flags=0, ifi_change=0}, [[{nla_len=11, nla_type=IFLA_IFNAME}, "lowpan0"...], [{nla_len=16, nla_type=IFLA_LINKINFO}, [{nla_len=10, nla_type=IFLA_INFO_KIND}, "lowpan"...]], [{nla_len=8, nla_type=IFLA_LINK}, 11]]], 68, 0, {sa_family=AF_NETLINK, nl_pid=0, nl_groups=00000000}, 12) = 68 recvfrom(3, [{nlmsg_len=36, nlmsg_type=NLMSG_ERROR, nlmsg_flags=NLM_F_CAPPED, nlmsg_seq=0, nlmsg_pid=3601}, {error=0, msg={nlmsg_len=68, nlmsg_type=RTM_NEWLINK, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK|NLM_F_EXCL|NLM_F_CREATE, nlmsg_seq=0, nlmsg_pid=0}}], 4096, 0, NULL, NULL) = 36 socket(AF_UNIX, SOCK_DGRAM|SOCK_CLOEXEC, 0) = 5 ioctl(5, SIOCGIFINDEX, {ifr_name="wpan1", ifr_ifindex=12}) = 0 close(5) = 0 sendto(4, [{nlmsg_len=36, nlmsg_type=nl802154, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK, nlmsg_seq=0, nlmsg_pid=0}, "\x0b\x00\x00\x00\x08\x00\x03\x00\x0c\x00\x00\x00\x06\x00\x0a\x00\xa1\xaa\x00\x00"], 36, 0, {sa_family=AF_NETLINK, nl_pid=0, nl_groups=00000000}, 12) = 36 recvfrom(4, [{nlmsg_len=36, nlmsg_type=NLMSG_ERROR, nlmsg_flags=NLM_F_CAPPED, nlmsg_seq=0, nlmsg_pid=3601}, {error=0, msg={nlmsg_len=36, nlmsg_type=nl802154, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK, nlmsg_seq=0, nlmsg_pid=0}}], 4096, 0, NULL, NULL) = 36 socket(AF_UNIX, SOCK_DGRAM|SOCK_CLOEXEC, 0) = 5 ioctl(5, SIOCGIFINDEX, {ifr_name="wpan1", ifr_ifindex=12}) = 0 close(5) = 0 sendto(3, [{nlmsg_len=44, nlmsg_type=RTM_NEWLINK, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK, nlmsg_seq=0, nlmsg_pid=0}, {ifi_family=AF_UNSPEC, ifi_type=ARPHRD_NETROM, ifi_index=if_nametoindex("wpan1"), ifi_flags=IFF_UP, ifi_change=0x1}, [{nla_len=12, nla_type=IFLA_ADDRESS}, 02:01:aa:aa:aa:aa:aa]], 44, 0, {sa_family=AF_NETLINK, nl_pid=0, nl_groups=00000000}, 12) = 44 recvfrom(3, [{nlmsg_len=36, nlmsg_type=NLMSG_ERROR, nlmsg_flags=NLM_F_CAPPED, nlmsg_seq=0, nlmsg_pid=3601}, {error=0, msg={nlmsg_len=44, nlmsg_type=RTM_NEWLINK, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK, nlmsg_seq=0, nlmsg_pid=0}}], 4096, 0, NULL, NULL) = 36 close(3) = 0 close(4) = 0 unshare(CLONE_NEWPID) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555556dc25d0) = 3603 ./strace-static-x86_64: Process 3603 attached [pid 3603] mount(NULL, "/sys/fs/fuse/connections", "fusectl", 0, NULL) = -1 EBUSY (Device or resource busy) [pid 3603] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 3603] setsid() = 1 [pid 3603] prlimit64(0, RLIMIT_AS, {rlim_cur=204800*1024, rlim_max=204800*1024}, NULL) = 0 [pid 3603] prlimit64(0, RLIMIT_MEMLOCK, {rlim_cur=32768*1024, rlim_max=32768*1024}, NULL) = 0 [pid 3603] prlimit64(0, RLIMIT_FSIZE, {rlim_cur=139264*1024, rlim_max=139264*1024}, NULL) = 0 [pid 3603] prlimit64(0, RLIMIT_STACK, {rlim_cur=1024*1024, rlim_max=1024*1024}, NULL) = 0 [pid 3603] prlimit64(0, RLIMIT_CORE, {rlim_cur=131072*1024, rlim_max=131072*1024}, NULL) = 0 [pid 3603] prlimit64(0, RLIMIT_NOFILE, {rlim_cur=256, rlim_max=256}, NULL) = 0 [pid 3603] unshare(CLONE_NEWNS) = 0 [pid 3603] mount(NULL, "/", NULL, MS_REC|MS_PRIVATE, NULL) = 0 [pid 3603] unshare(CLONE_NEWIPC) = 0 [pid 3603] unshare(CLONE_NEWCGROUP) = 0 [pid 3603] unshare(CLONE_NEWUTS) = 0 [pid 3603] unshare(CLONE_SYSVSEM) = 0 [pid 3603] openat(AT_FDCWD, "/proc/sys/kernel/shmmax", O_WRONLY|O_CLOEXEC) = 3 [pid 3603] write(3, "16777216", 8) = 8 [pid 3603] close(3) = 0 [pid 3603] openat(AT_FDCWD, "/proc/sys/kernel/shmall", O_WRONLY|O_CLOEXEC) = 3 [pid 3603] write(3, "536870912", 9) = 9 [pid 3603] close(3) = 0 [pid 3603] openat(AT_FDCWD, "/proc/sys/kernel/shmmni", O_WRONLY|O_CLOEXEC) = 3 [pid 3603] write(3, "1024", 4) = 4 [pid 3603] close(3) = 0 [pid 3603] openat(AT_FDCWD, "/proc/sys/kernel/msgmax", O_WRONLY|O_CLOEXEC) = 3 [pid 3603] write(3, "8192", 4) = 4 [pid 3603] close(3) = 0 [pid 3603] openat(AT_FDCWD, "/proc/sys/kernel/msgmni", O_WRONLY|O_CLOEXEC) = 3 [pid 3603] write(3, "1024", 4) = 4 [pid 3603] close(3) = 0 [pid 3603] openat(AT_FDCWD, "/proc/sys/kernel/msgmnb", O_WRONLY|O_CLOEXEC) = 3 [pid 3603] write(3, "1024", 4) = 4 [pid 3603] close(3) = 0 [pid 3603] openat(AT_FDCWD, "/proc/sys/kernel/sem", O_WRONLY|O_CLOEXEC) = 3 [pid 3603] write(3, "1024 1048576 500 1024", 21) = 21 [pid 3603] close(3) = 0 [pid 3603] getpid() = 1 [pid 3603] capget({version=_LINUX_CAPABILITY_VERSION_3, pid=1}, {effective=1< [ 35.401612][ T3603] dump_stack_lvl+0xcd/0x134 [ 35.406210][ T3603] ? kthread_stop+0xc3/0x830 [ 35.410791][ T3603] kasan_report+0xbb/0x1f0 [ 35.415200][ T3603] ? kthread_stop+0xc3/0x830 [ 35.419778][ T3603] kasan_check_range+0x13d/0x180 [ 35.424730][ T3603] kthread_stop+0xc3/0x830 [ 35.429139][ T3603] f2fs_stop_discard_thread+0x91/0xb0 [ 35.434616][ T3603] kill_f2fs_super+0xda/0x3c0 [ 35.439301][ T3603] ? trace_event_raw_event_f2fs__rw_start+0x4e0/0x4e0 [ 35.446080][ T3603] ? up_write+0x1ac/0x520 [ 35.450579][ T3603] ? rcu_read_lock_sched_held+0xd/0x70 [ 35.456022][ T3603] ? kfree+0x122/0x1a0 [ 35.460102][ T3603] ? unregister_shrinker+0x1f5/0x2f0 [ 35.465392][ T3603] deactivate_locked_super+0x94/0x160 [ 35.470753][ T3603] deactivate_super+0xad/0xd0 [ 35.475440][ T3603] cleanup_mnt+0x2ae/0x3d0 [ 35.480040][ T3603] task_work_run+0x16b/0x270 [ 35.484620][ T3603] ? task_work_cancel+0x30/0x30 [ 35.489568][ T3603] do_exit+0xb35/0x2a20 [ 35.493892][ T3603] ? lock_downgrade+0x6e0/0x6e0 [ 35.498727][ T3603] ? do_raw_spin_lock+0x120/0x2a0 [ 35.503991][ T3603] ? mm_update_next_owner+0x7b0/0x7b0 [ 35.509344][ T3603] ? rwlock_bug.part.0+0x90/0x90 [ 35.514284][ T3603] do_group_exit+0xd0/0x2a0 [ 35.518772][ T3603] __x64_sys_exit_group+0x3a/0x50 [ 35.523779][ T3603] do_syscall_64+0x35/0xb0 [ 35.528270][ T3603] entry_SYSCALL_64_after_hwframe+0x63/0xcd [ 35.534148][ T3603] RIP: 0033:0x7f3b447a7529 [ 35.538715][ T3603] Code: Unable to access opcode bytes at 0x7f3b447a74ff. [ 35.545711][ T3603] RSP: 002b:00007fff5270afd8 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7 [ 35.554122][ T3603] RAX: ffffffffffffffda RBX: 00007f3b448183d0 RCX: 00007f3b447a7529 [ 35.562103][ T3603] RDX: 000000000000003c RSI: 00000000000000e7 RDI: 0000000000000001 [ 35.570162][ T3603] RBP: 0000000000000001 R08: ffffffffffffffc0 R09: 001c000000000008 [ 35.578134][ T3603] R10: 0000000000180020 R11: 0000000000000246 R12: 00007f3b448183d0 [ 35.586096][ T3603] R13: 0000000000000001 R14: 0000000000000000 R15: 0000000000000001 [ 35.594064][ T3603] [ 35.597068][ T3603] ================================================================== [ 35.605671][ T3603] Kernel panic - not syncing: panic_on_warn set ... [ 35.612276][ T3603] CPU: 0 PID: 3603 Comm: syz-executor338 Not tainted 6.1.0-rc2-syzkaller #0 [ 35.620946][ T3603] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/11/2022 [ 35.631079][ T3603] Call Trace: [ 35.634349][ T3603] [ 35.637270][ T3603] dump_stack_lvl+0xcd/0x134 [ 35.641872][ T3603] panic+0x2c8/0x622 [ 35.645774][ T3603] ? panic_print_sys_info.part.0+0x110/0x110 [ 35.651766][ T3603] ? preempt_schedule_common+0x59/0xc0 [ 35.657247][ T3603] ? preempt_schedule_thunk+0x16/0x18 [ 35.662713][ T3603] end_report.part.0+0x3f/0x7c [ 35.667473][ T3603] ? kthread_stop+0xc3/0x830 [ 35.672053][ T3603] kasan_report.cold+0xa/0xf [ 35.676637][ T3603] ? kthread_stop+0xc3/0x830 [ 35.681245][ T3603] kasan_check_range+0x13d/0x180 [ 35.686211][ T3603] kthread_stop+0xc3/0x830 [ 35.690620][ T3603] f2fs_stop_discard_thread+0x91/0xb0 [ 35.695993][ T3603] kill_f2fs_super+0xda/0x3c0 [ 35.700666][ T3603] ? trace_event_raw_event_f2fs__rw_start+0x4e0/0x4e0 [ 35.707427][ T3603] ? up_write+0x1ac/0x520 [ 35.711760][ T3603] ? rcu_read_lock_sched_held+0xd/0x70 [ 35.717393][ T3603] ? kfree+0x122/0x1a0 [ 35.721482][ T3603] ? unregister_shrinker+0x1f5/0x2f0 [ 35.726767][ T3603] deactivate_locked_super+0x94/0x160 [ 35.732139][ T3603] deactivate_super+0xad/0xd0 [ 35.736811][ T3603] cleanup_mnt+0x2ae/0x3d0 [ 35.741241][ T3603] task_work_run+0x16b/0x270 [ 35.745833][ T3603] ? task_work_cancel+0x30/0x30 [ 35.750688][ T3603] do_exit+0xb35/0x2a20 [ 35.754834][ T3603] ? lock_downgrade+0x6e0/0x6e0 [ 35.759681][ T3603] ? do_raw_spin_lock+0x120/0x2a0 [ 35.764701][ T3603] ? mm_update_next_owner+0x7b0/0x7b0 [ 35.770155][ T3603] ? rwlock_bug.part.0+0x90/0x90 [ 35.775091][ T3603] do_group_exit+0xd0/0x2a0 [ 35.779586][ T3603] __x64_sys_exit_group+0x3a/0x50 [ 35.784599][ T3603] do_syscall_64+0x35/0xb0 [ 35.789013][ T3603] entry_SYSCALL_64_after_hwframe+0x63/0xcd [ 35.794908][ T3603] RIP: 0033:0x7f3b447a7529 [ 35.799320][ T3603] Code: Unable to access opcode bytes at 0x7f3b447a74ff. [ 35.806330][ T3603] RSP: 002b:00007fff5270afd8 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7 [ 35.814837][ T3603] RAX: ffffffffffffffda RBX: 00007f3b448183d0 RCX: 00007f3b447a7529 [ 35.822811][ T3603] RDX: 000000000000003c RSI: 00000000000000e7 RDI: 0000000000000001 [ 35.830771][ T3603] RBP: 0000000000000001 R08: ffffffffffffffc0 R09: 001c000000000008 [ 35.838742][ T3603] R10: 0000000000180020 R11: 0000000000000246 R12: 00007f3b448183d0 [ 35.846709][ T3603] R13: 0000000000000001 R14: 0000000000000000 R15: 0000000000000001 [ 35.854679][ T3603] [ 35.858332][ T3603] Kernel Offset: disabled [ 35.862646][ T3603] Rebooting in 86400 seconds..