./strace-static-x86_64 -e \!wait4,clock_nanosleep,nanosleep -s 100 -x -f ./syz-executor3500495057

<...>
Warning: Permanently added '10.128.1.190' (ED25519) to the list of known hosts.
execve("./syz-executor3500495057", ["./syz-executor3500495057"], 0x7fff83f58190 /* 10 vars */) = 0
brk(NULL)                               = 0x555560108000
brk(0x555560108d00)                     = 0x555560108d00
arch_prctl(ARCH_SET_FS, 0x555560108380) = 0
set_tid_address(0x555560108650)         = 5052
set_robust_list(0x555560108660, 24)     = 0
rseq(0x555560108ca0, 0x20, 0, 0x53053053) = 0
prlimit64(0, RLIMIT_STACK, NULL, {rlim_cur=8192*1024, rlim_max=RLIM64_INFINITY}) = 0
readlink("/proc/self/exe", "/root/syz-executor3500495057", 4096) = 28
getrandom("\x6d\x45\xfa\xcf\xbf\xfe\x88\x12", 8, GRND_NONBLOCK) = 8
brk(NULL)                               = 0x555560108d00
brk(0x555560129d00)                     = 0x555560129d00
brk(0x55556012a000)                     = 0x55556012a000
mprotect(0x7f8982a2c000, 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=0x555560108650) = 5053
./strace-static-x86_64: Process 5053 attached
[pid  5053] set_robust_list(0x555560108660, 24) = 0
[pid  5053] mount(NULL, "/sys/fs/fuse/connections", "fusectl", 0, NULL) = -1 EBUSY (Device or resource busy)
[pid  5053] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid  5053] setsid()                    = 1
[pid  5053] prlimit64(0, RLIMIT_AS, {rlim_cur=204800*1024, rlim_max=204800*1024}, NULL) = 0
[pid  5053] prlimit64(0, RLIMIT_MEMLOCK, {rlim_cur=32768*1024, rlim_max=32768*1024}, NULL) = 0
[pid  5053] prlimit64(0, RLIMIT_FSIZE, {rlim_cur=139264*1024, rlim_max=139264*1024}, NULL) = 0
[pid  5053] prlimit64(0, RLIMIT_STACK, {rlim_cur=1024*1024, rlim_max=1024*1024}, NULL) = 0
[pid  5053] prlimit64(0, RLIMIT_CORE, {rlim_cur=131072*1024, rlim_max=131072*1024}, NULL) = 0
[pid  5053] prlimit64(0, RLIMIT_NOFILE, {rlim_cur=256, rlim_max=256}, NULL) = 0
[pid  5053] unshare(CLONE_NEWNS)        = 0
[pid  5053] mount(NULL, "/", NULL, MS_REC|MS_PRIVATE, NULL) = 0
[pid  5053] unshare(CLONE_NEWIPC)       = 0
[pid  5053] unshare(CLONE_NEWCGROUP)    = 0
[pid  5053] unshare(CLONE_NEWUTS)       = 0
[pid  5053] unshare(CLONE_SYSVSEM)      = 0
[pid  5053] openat(AT_FDCWD, "/proc/sys/kernel/shmmax", O_WRONLY|O_CLOEXEC) = 3
[pid  5053] write(3, "16777216", 8)     = 8
[pid  5053] close(3)                    = 0
[pid  5053] openat(AT_FDCWD, "/proc/sys/kernel/shmall", O_WRONLY|O_CLOEXEC) = 3
[pid  5053] write(3, "536870912", 9)    = 9
[pid  5053] close(3)                    = 0
[pid  5053] openat(AT_FDCWD, "/proc/sys/kernel/shmmni", O_WRONLY|O_CLOEXEC) = 3
[pid  5053] write(3, "1024", 4)         = 4
[pid  5053] close(3)                    = 0
[pid  5053] openat(AT_FDCWD, "/proc/sys/kernel/msgmax", O_WRONLY|O_CLOEXEC) = 3
[pid  5053] write(3, "8192", 4)         = 4
[pid  5053] close(3)                    = 0
[pid  5053] openat(AT_FDCWD, "/proc/sys/kernel/msgmni", O_WRONLY|O_CLOEXEC) = 3
[pid  5053] write(3, "1024", 4)         = 4
[pid  5053] close(3)                    = 0
[pid  5053] openat(AT_FDCWD, "/proc/sys/kernel/msgmnb", O_WRONLY|O_CLOEXEC) = 3
[pid  5053] write(3, "1024", 4)         = 4
[pid  5053] close(3)                    = 0
[pid  5053] openat(AT_FDCWD, "/proc/sys/kernel/sem", O_WRONLY|O_CLOEXEC) = 3
[pid  5053] write(3, "1024 1048576 500 1024", 21) = 21
[pid  5053] close(3)                    = 0
[pid  5053] getpid()                    = 1
[pid  5053] 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  5053] 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  5053] unshare(CLONE_NEWNET)       = 0
[pid  5053] openat(AT_FDCWD, "/proc/sys/net/ipv4/ping_group_range", O_WRONLY|O_CLOEXEC) = 3
[pid  5053] write(3, "0 65535", 7)      = 7
[pid  5053] close(3)                    = 0
[pid  5053] mkdir("/dev/binderfs", 0777) = 0
[pid  5053] mount("binder", "/dev/binderfs", "binder", 0, NULL) = 0
[pid  5053] symlink("/dev/binderfs", "./binderfs") = 0
[pid  5053] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555560108650) = 2
./strace-static-x86_64: Process 5056 attached
[pid  5056] set_robust_list(0x555560108660, 24) = 0
[pid  5056] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid  5056] setpgid(0, 0)               = 0
[pid  5056] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid  5056] write(3, "1000", 4)         = 4
[pid  5056] close(3)                    = 0
executing program
[pid  5056] write(1, "executing program\n", 18) = 18
[pid  5056] open("./bus", O_RDWR|O_CREAT|O_SYNC|O_DIRECT, 000) = 3
[pid  5056] fallocate(3, 0, 0, 2147483647) = -1 EFBIG (File too large)
[pid  5056] --- SIGXFSZ {si_signo=SIGXFSZ, si_code=SI_USER, si_pid=2, si_uid=0} ---
[  157.276665][   T29] audit: type=1800 audit(1717301093.964:2): pid=5056 uid=0 auid=4294967295 ses=4294967295 subj=unconfined op=collect_data cause=failed(directio) comm="syz-executor350" name="bus" dev="sda1" ino=1928 res=0 errno=0
[  157.456919][   T98] =====================================================
[  157.464234][   T98] BUG: KMSAN: uninit-value in virtqueue_add+0x1e86/0x65c0
[  157.471534][   T98]  virtqueue_add+0x1e86/0x65c0
[  157.476467][   T98]  virtqueue_add_sgs+0x186/0x1b0
[  157.481570][   T98]  virtscsi_add_cmd+0x838/0xad0
[  157.486578][   T98]  virtscsi_queuecommand+0x898/0xa60
[  157.492025][   T98]  scsi_queue_rq+0x4cc7/0x5a80
[  157.496958][   T98]  blk_mq_dispatch_rq_list+0x79b/0x3440
[  157.502705][   T98]  __blk_mq_sched_dispatch_requests+0x11b7/0x26e0
[  157.509324][   T98]  blk_mq_sched_dispatch_requests+0x12f/0x270
[  157.515583][   T98]  blk_mq_run_work_fn+0xd0/0x280
[  157.520670][   T98]  process_scheduled_works+0xa81/0x1bd0
[  157.526378][   T98]  worker_thread+0xea5/0x1560
[  157.531215][   T98]  kthread+0x3e2/0x540
[  157.535447][   T98]  ret_from_fork+0x6d/0x90
[  157.540010][   T98]  ret_from_fork_asm+0x1a/0x30
[  157.544955][   T98] 
[  157.547350][   T98] Uninit was stored to memory at:
[  157.552688][   T98]  copy_page_from_iter_atomic+0x12b7/0x2ae0
[  157.558777][   T98]  generic_perform_write+0x4c1/0xc60
[  157.564256][   T98]  ext4_buffered_write_iter+0x564/0xaa0
[  157.569959][   T98]  ext4_file_write_iter+0x208/0x3450
[  157.575392][   T98]  __kernel_write_iter+0x64d/0xc80
[  157.580686][   T98]  dump_user_range+0x8dc/0xee0
[  157.585658][   T98]  elf_core_dump+0x57c7/0x5ae0
[  157.590599][   T98]  do_coredump+0x32d5/0x4920
[  157.595346][   T98]  get_signal+0x267e/0x2d00
[  157.600004][   T98]  arch_do_signal_or_restart+0x53/0xcb0
[  157.605760][   T98]  syscall_exit_to_user_mode+0x5d/0x160
[  157.611501][   T98]  do_syscall_64+0xdc/0x1e0
[  157.616181][   T98]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  157.622257][   T98] 
[  157.624654][   T98] Uninit was created at:
[  157.629088][   T98]  __alloc_pages+0x9d6/0xe70
[  157.633820][   T98]  alloc_pages_mpol+0x299/0x990
[  157.638832][   T98]  alloc_pages+0x1bf/0x1e0
[  157.643409][   T98]  dump_user_range+0x4a/0xee0
[  157.648275][   T98]  elf_core_dump+0x57c7/0x5ae0
[  157.653245][   T98]  do_coredump+0x32d5/0x4920
[  157.658009][   T98]  get_signal+0x267e/0x2d00
[  157.662675][   T98]  arch_do_signal_or_restart+0x53/0xcb0
[  157.668419][   T98]  syscall_exit_to_user_mode+0x5d/0x160
[  157.674144][   T98]  do_syscall_64+0xdc/0x1e0
[  157.678819][   T98]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  157.684900][   T98] 
[  157.687298][   T98] Bytes 0-4095 of 4096 are uninitialized
[  157.693041][   T98] Memory access of size 4096 starts at ffff888131255000
[  157.700114][   T98] 
[  157.702540][   T98] CPU: 1 PID: 98 Comm: kworker/1:1H Not tainted 6.9.0-syzkaller-02707-g614da38e2f7a #0
[  157.712322][   T98] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/02/2024
[  157.722507][   T98] Workqueue: kblockd blk_mq_run_work_fn
[  157.728226][   T98] =====================================================
[  157.735266][   T98] Disabling lock debugging due to kernel taint
[  157.741517][   T98] Kernel panic - not syncing: kmsan.panic set ...
[  157.748028][   T98] CPU: 1 PID: 98 Comm: kworker/1:1H Tainted: G    B              6.9.0-syzkaller-02707-g614da38e2f7a #0
[  157.759308][   T98] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/02/2024
[  157.769581][   T98] Workqueue: kblockd blk_mq_run_work_fn
[  157.775321][   T98] Call Trace:
[  157.778698][   T98]  <TASK>
[  157.781721][   T98]  dump_stack_lvl+0x216/0x2d0
[  157.786593][   T98]  ? kmsan_get_shadow_origin_ptr+0x4d/0xb0
[  157.792579][   T98]  dump_stack+0x1e/0x30
[  157.796912][   T98]  panic+0x4e2/0xcd0
[  157.800997][   T98]  ? kmsan_get_metadata+0xf1/0x1d0
[  157.806291][   T98]  kmsan_report+0x2d5/0x2e0
[  157.810954][   T98]  ? kmsan_get_metadata+0x146/0x1d0
[  157.816317][   T98]  ? kmsan_internal_check_memory+0x48c/0x560
[  157.822501][   T98]  ? kmsan_handle_dma+0xac/0xc0
[  157.827503][   T98]  ? virtqueue_add+0x1e86/0x65c0
[  157.832619][   T98]  ? virtqueue_add_sgs+0x186/0x1b0
[  157.837926][   T98]  ? virtscsi_add_cmd+0x838/0xad0
[  157.843138][   T98]  ? virtscsi_queuecommand+0x898/0xa60
[  157.848783][   T98]  ? scsi_queue_rq+0x4cc7/0x5a80
[  157.853894][   T98]  ? blk_mq_dispatch_rq_list+0x79b/0x3440
[  157.859893][   T98]  ? __blk_mq_sched_dispatch_requests+0x11b7/0x26e0
[  157.866714][   T98]  ? blk_mq_sched_dispatch_requests+0x12f/0x270
[  157.873180][   T98]  ? blk_mq_run_work_fn+0xd0/0x280
[  157.878475][   T98]  ? process_scheduled_works+0xa81/0x1bd0
[  157.884397][   T98]  ? worker_thread+0xea5/0x1560
[  157.889435][   T98]  ? kthread+0x3e2/0x540
[  157.893861][   T98]  ? ret_from_fork+0x6d/0x90
[  157.898610][   T98]  ? ret_from_fork_asm+0x1a/0x30
[  157.903775][   T98]  ? kmsan_get_shadow_origin_ptr+0x4d/0xb0
[  157.909795][   T98]  ? kmsan_get_metadata+0x146/0x1d0
[  157.915171][   T98]  ? kmsan_get_metadata+0x146/0x1d0
[  157.920550][   T98]  ? kmsan_get_shadow_origin_ptr+0x4d/0xb0
[  157.926539][   T98]  ? kmsan_get_metadata+0x146/0x1d0
[  157.931909][   T98]  ? kmsan_get_shadow_origin_ptr+0x4d/0xb0
[  157.937905][   T98]  ? kmsan_get_metadata+0x146/0x1d0
[  157.943266][   T98]  ? kmsan_get_shadow_origin_ptr+0x4d/0xb0
[  157.949259][   T98]  ? iowrite16+0x38/0x1e0
[  157.953818][   T98]  kmsan_internal_check_memory+0x48c/0x560
[  157.959962][   T98]  kmsan_handle_dma+0xac/0xc0
[  157.964806][   T98]  virtqueue_add+0x1e86/0x65c0
[  157.969750][   T98]  ? kmsan_get_shadow_origin_ptr+0x4d/0xb0
[  157.975737][   T98]  ? kmsan_get_metadata+0x146/0x1d0
[  157.981105][   T98]  ? kmsan_get_metadata+0x146/0x1d0
[  157.986471][   T98]  ? kmsan_get_shadow_origin_ptr+0x4d/0xb0
[  157.992475][   T98]  virtqueue_add_sgs+0x186/0x1b0
[  157.997602][   T98]  virtscsi_add_cmd+0x838/0xad0
[  158.002670][   T98]  virtscsi_queuecommand+0x898/0xa60
[  158.008154][   T98]  ? __pfx_virtscsi_queuecommand+0x10/0x10
[  158.014138][   T98]  scsi_queue_rq+0x4cc7/0x5a80
[  158.019102][   T98]  ? __pfx_scsi_queue_rq+0x10/0x10
[  158.024384][   T98]  blk_mq_dispatch_rq_list+0x79b/0x3440
[  158.030136][   T98]  ? sbitmap_get+0x431/0x670
[  158.034888][   T98]  ? kmsan_get_shadow_origin_ptr+0x4d/0xb0
[  158.040888][   T98]  ? dd_dispatch_request+0x9a1/0xa20
[  158.046368][   T98]  __blk_mq_sched_dispatch_requests+0x11b7/0x26e0
[  158.053011][   T98]  ? finish_task_switch+0x1c8/0x8f0
[  158.058411][   T98]  ? __blk_mq_sched_dispatch_requests+0x1031/0x26e0
[  158.065220][   T98]  blk_mq_sched_dispatch_requests+0x12f/0x270
[  158.071502][   T98]  blk_mq_run_work_fn+0xd0/0x280
[  158.076606][   T98]  ? __pfx_blk_mq_run_work_fn+0x10/0x10
[  158.082319][   T98]  process_scheduled_works+0xa81/0x1bd0
[  158.088075][   T98]  worker_thread+0xea5/0x1560
[  158.092925][   T98]  ? kmsan_get_shadow_origin_ptr+0x4d/0xb0
[  158.098916][   T98]  kthread+0x3e2/0x540
[  158.103161][   T98]  ? __pfx_worker_thread+0x10/0x10
[  158.108451][   T98]  ? __pfx_kthread+0x10/0x10
[  158.113216][   T98]  ret_from_fork+0x6d/0x90
[  158.117794][   T98]  ? __pfx_kthread+0x10/0x10
[  158.122567][   T98]  ret_from_fork_asm+0x1a/0x30
[  158.127530][   T98]  </TASK>
[  159.533887][   T98] Shutting down cpus with NMI
[  159.538816][   T98] Kernel Offset: disabled
[  159.543194][   T98] Rebooting in 86400 seconds..