./strace-static-x86_64 -e \!wait4,clock_nanosleep,nanosleep -s 100 -x -f ./syz-executor1906213576 <...> Warning: Permanently added '10.128.10.2' (ED25519) to the list of known hosts. execve("./syz-executor1906213576", ["./syz-executor1906213576"], 0x7fff071efac0 /* 10 vars */) = 0 brk(NULL) = 0x55555d817000 brk(0x55555d817d00) = 0x55555d817d00 arch_prctl(ARCH_SET_FS, 0x55555d817380) = 0 set_tid_address(0x55555d817650) = 5015 set_robust_list(0x55555d817660, 24) = 0 rseq(0x55555d817ca0, 0x20, 0, 0x53053053) = 0 prlimit64(0, RLIMIT_STACK, NULL, {rlim_cur=8192*1024, rlim_max=RLIM64_INFINITY}) = 0 readlink("/proc/self/exe", "/root/syz-executor1906213576", 4096) = 28 getrandom("\x24\xcd\x5f\x16\x69\xf4\xd0\xc4", 8, GRND_NONBLOCK) = 8 brk(NULL) = 0x55555d817d00 brk(0x55555d838d00) = 0x55555d838d00 brk(0x55555d839000) = 0x55555d839000 mprotect(0x7f9a1d615000, 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=0x55555d817650) = 5016 ./strace-static-x86_64: Process 5016 attached [pid 5016] set_robust_list(0x55555d817660, 24) = 0 [pid 5016] mount(NULL, "/sys/fs/fuse/connections", "fusectl", 0, NULL) = -1 EBUSY (Device or resource busy) [pid 5016] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5016] setsid() = 1 [pid 5016] prlimit64(0, RLIMIT_AS, {rlim_cur=204800*1024, rlim_max=204800*1024}, NULL) = 0 [pid 5016] prlimit64(0, RLIMIT_MEMLOCK, {rlim_cur=32768*1024, rlim_max=32768*1024}, NULL) = 0 [pid 5016] prlimit64(0, RLIMIT_FSIZE, {rlim_cur=139264*1024, rlim_max=139264*1024}, NULL) = 0 [pid 5016] prlimit64(0, RLIMIT_STACK, {rlim_cur=1024*1024, rlim_max=1024*1024}, NULL) = 0 [pid 5016] prlimit64(0, RLIMIT_CORE, {rlim_cur=131072*1024, rlim_max=131072*1024}, NULL) = 0 [pid 5016] prlimit64(0, RLIMIT_NOFILE, {rlim_cur=256, rlim_max=256}, NULL) = 0 [pid 5016] unshare(CLONE_NEWNS) = 0 [pid 5016] mount(NULL, "/", NULL, MS_REC|MS_PRIVATE, NULL) = 0 [pid 5016] unshare(CLONE_NEWIPC) = 0 [pid 5016] unshare(CLONE_NEWCGROUP) = 0 [pid 5016] unshare(CLONE_NEWUTS) = 0 [pid 5016] unshare(CLONE_SYSVSEM) = 0 [pid 5016] openat(AT_FDCWD, "/proc/sys/kernel/shmmax", O_WRONLY|O_CLOEXEC) = 3 [pid 5016] write(3, "16777216", 8) = 8 [pid 5016] close(3) = 0 [pid 5016] openat(AT_FDCWD, "/proc/sys/kernel/shmall", O_WRONLY|O_CLOEXEC) = 3 [pid 5016] write(3, "536870912", 9) = 9 [pid 5016] close(3) = 0 [pid 5016] openat(AT_FDCWD, "/proc/sys/kernel/shmmni", O_WRONLY|O_CLOEXEC) = 3 [pid 5016] write(3, "1024", 4) = 4 [pid 5016] close(3) = 0 [pid 5016] openat(AT_FDCWD, "/proc/sys/kernel/msgmax", O_WRONLY|O_CLOEXEC) = 3 [pid 5016] write(3, "8192", 4) = 4 [pid 5016] close(3) = 0 [pid 5016] openat(AT_FDCWD, "/proc/sys/kernel/msgmni", O_WRONLY|O_CLOEXEC) = 3 [pid 5016] write(3, "1024", 4) = 4 [pid 5016] close(3) = 0 [pid 5016] openat(AT_FDCWD, "/proc/sys/kernel/msgmnb", O_WRONLY|O_CLOEXEC) = 3 [pid 5016] write(3, "1024", 4) = 4 [pid 5016] close(3) = 0 [pid 5016] openat(AT_FDCWD, "/proc/sys/kernel/sem", O_WRONLY|O_CLOEXEC) = 3 [pid 5016] write(3, "1024 1048576 500 1024", 21) = 21 [pid 5016] close(3) = 0 [pid 5016] getpid() = 1 [pid 5016] capget({version=_LINUX_CAPABILITY_VERSION_3, pid=1}, {effective=1<) = 0 [pid 5016] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5021 attached , child_tidptr=0x55555d817650) = 4 [pid 5021] set_robust_list(0x55555d817660, 24) = 0 [pid 5021] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5021] setpgid(0, 0) = 0 [pid 5021] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5021] write(3, "1000", 4) = 4 [pid 5021] close(3) = 0 [pid 5021] open("./bus", O_RDWR|O_CREAT|O_SYNC|O_DIRECT, 000) = 3 [pid 5021] fallocate(3, 0, 0, 567552650) = -1 EFBIG (File too large) [pid 5021] --- SIGXFSZ {si_signo=SIGXFSZ, si_code=SI_USER, si_pid=4, si_uid=0} --- [ 173.929978][ T28] audit: type=1800 audit(1712562910.297:4): pid=5021 uid=0 auid=4294967295 ses=4294967295 subj=unconfined op=collect_data cause=failed(directio) comm="syz-executor190" name="bus" dev="sda1" ino=1928 res=0 errno=0 [pid 5021] +++ killed by SIGXFSZ (core dumped) +++ [pid 5016] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_DUMPED, si_pid=4, si_uid=0, si_status=SIGXFSZ, si_utime=0, si_stime=22 /* 0.22 s */} --- [pid 5016] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 5016] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5022 attached , child_tidptr=0x55555d817650) = 5 [pid 5022] set_robust_list(0x55555d817660, 24) = 0 [pid 5022] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5022] setpgid(0, 0) = 0 [pid 5022] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5022] write(3, "1000", 4) = 4 [pid 5022] close(3) = 0 [pid 5022] open("./bus", O_RDWR|O_CREAT|O_SYNC|O_DIRECT, 000) = 3 [pid 5022] fallocate(3, 0, 0, 567552650) = -1 EFBIG (File too large) [pid 5022] --- SIGXFSZ {si_signo=SIGXFSZ, si_code=SI_USER, si_pid=5, si_uid=0} --- [ 174.177668][ T28] audit: type=1800 audit(1712562910.557:5): pid=5022 uid=0 auid=4294967295 ses=4294967295 subj=unconfined op=collect_data cause=failed(directio) comm="syz-executor190" name="bus" dev="sda1" ino=1928 res=0 errno=0 [pid 5022] +++ killed by SIGXFSZ (core dumped) +++ [pid 5016] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_DUMPED, si_pid=5, si_uid=0, si_status=SIGXFSZ, si_utime=0, si_stime=22 /* 0.22 s */} --- [pid 5016] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 5016] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5023 attached , child_tidptr=0x55555d817650) = 6 [pid 5023] set_robust_list(0x55555d817660, 24) = 0 [pid 5023] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5023] setpgid(0, 0) = 0 [pid 5023] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5023] write(3, "1000", 4) = 4 [pid 5023] close(3) = 0 [pid 5023] open("./bus", O_RDWR|O_CREAT|O_SYNC|O_DIRECT, 000) = 3 [pid 5023] fallocate(3, 0, 0, 567552650) = -1 EFBIG (File too large) [pid 5023] --- SIGXFSZ {si_signo=SIGXFSZ, si_code=SI_USER, si_pid=6, si_uid=0} --- [ 174.438065][ T28] audit: type=1800 audit(1712562910.817:6): pid=5023 uid=0 auid=4294967295 ses=4294967295 subj=unconfined op=collect_data cause=failed(directio) comm="syz-executor190" name="bus" dev="sda1" ino=1928 res=0 errno=0 [pid 5023] +++ killed by SIGXFSZ (core dumped) +++ [pid 5016] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_DUMPED, si_pid=6, si_uid=0, si_status=SIGXFSZ, si_utime=0, si_stime=22 /* 0.22 s */} --- [pid 5016] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5024 attached , child_tidptr=0x55555d817650) = 7 [pid 5024] set_robust_list(0x55555d817660, 24) = 0 [pid 5024] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5024] setpgid(0, 0) = 0 [pid 5024] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5024] write(3, "1000", 4) = 4 [pid 5024] close(3) = 0 [pid 5024] open("./bus", O_RDWR|O_CREAT|O_SYNC|O_DIRECT, 000) = 3 [pid 5024] fallocate(3, 0, 0, 567552650) = -1 EFBIG (File too large) [pid 5024] --- SIGXFSZ {si_signo=SIGXFSZ, si_code=SI_USER, si_pid=7, si_uid=0} --- [ 174.709566][ T28] audit: type=1800 audit(1712562911.077:7): pid=5024 uid=0 auid=4294967295 ses=4294967295 subj=unconfined op=collect_data cause=failed(directio) comm="syz-executor190" name="bus" dev="sda1" ino=1928 res=0 errno=0 [pid 5024] +++ killed by SIGXFSZ (core dumped) +++ [pid 5016] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_DUMPED, si_pid=7, si_uid=0, si_status=SIGXFSZ, si_utime=0, si_stime=22 /* 0.22 s */} --- [pid 5016] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 5016] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5025 attached , child_tidptr=0x55555d817650) = 8 [pid 5025] set_robust_list(0x55555d817660, 24) = 0 [pid 5025] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5025] setpgid(0, 0) = 0 [pid 5025] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5025] write(3, "1000", 4) = 4 [pid 5025] close(3) = 0 [pid 5025] open("./bus", O_RDWR|O_CREAT|O_SYNC|O_DIRECT, 000) = 3 [pid 5025] fallocate(3, 0, 0, 567552650) = -1 EFBIG (File too large) [pid 5025] --- SIGXFSZ {si_signo=SIGXFSZ, si_code=SI_USER, si_pid=8, si_uid=0} --- [ 174.956004][ T28] audit: type=1800 audit(1712562911.337:8): pid=5025 uid=0 auid=4294967295 ses=4294967295 subj=unconfined op=collect_data cause=failed(directio) comm="syz-executor190" name="bus" dev="sda1" ino=1928 res=0 errno=0 [pid 5025] +++ killed by SIGXFSZ (core dumped) +++ [pid 5016] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_DUMPED, si_pid=8, si_uid=0, si_status=SIGXFSZ, si_utime=0, si_stime=22 /* 0.22 s */} --- [pid 5016] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5026 attached [pid 5026] set_robust_list(0x55555d817660, 24 [pid 5016] <... clone resumed>, child_tidptr=0x55555d817650) = 9 [pid 5026] <... set_robust_list resumed>) = 0 [pid 5026] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5026] setpgid(0, 0) = 0 [pid 5026] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5026] write(3, "1000", 4) = 4 [pid 5026] close(3) = 0 [pid 5026] open("./bus", O_RDWR|O_CREAT|O_SYNC|O_DIRECT, 000) = 3 [pid 5026] fallocate(3, 0, 0, 567552650) = -1 EFBIG (File too large) [pid 5026] --- SIGXFSZ {si_signo=SIGXFSZ, si_code=SI_USER, si_pid=9, si_uid=0} --- [ 175.218395][ T28] audit: type=1800 audit(1712562911.597:9): pid=5026 uid=0 auid=4294967295 ses=4294967295 subj=unconfined op=collect_data cause=failed(directio) comm="syz-executor190" name="bus" dev="sda1" ino=1928 res=0 errno=0 [pid 5026] +++ killed by SIGXFSZ (core dumped) +++ [pid 5016] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_DUMPED, si_pid=9, si_uid=0, si_status=SIGXFSZ, si_utime=0, si_stime=22 /* 0.22 s */} --- [pid 5016] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 5016] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5027 attached , child_tidptr=0x55555d817650) = 10 [pid 5027] set_robust_list(0x55555d817660, 24) = 0 [pid 5027] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5027] setpgid(0, 0) = 0 [pid 5027] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5027] write(3, "1000", 4) = 4 [pid 5027] close(3) = 0 [pid 5027] open("./bus", O_RDWR|O_CREAT|O_SYNC|O_DIRECT, 000) = 3 [pid 5027] fallocate(3, 0, 0, 567552650) = -1 EFBIG (File too large) [pid 5027] --- SIGXFSZ {si_signo=SIGXFSZ, si_code=SI_USER, si_pid=10, si_uid=0} --- [ 175.484961][ T28] audit: type=1800 audit(1712562911.857:10): pid=5027 uid=0 auid=4294967295 ses=4294967295 subj=unconfined op=collect_data cause=failed(directio) comm="syz-executor190" name="bus" dev="sda1" ino=1928 res=0 errno=0 [pid 5027] +++ killed by SIGXFSZ (core dumped) +++ [pid 5016] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_DUMPED, si_pid=10, si_uid=0, si_status=SIGXFSZ, si_utime=0, si_stime=21 /* 0.21 s */} --- [pid 5016] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 5016] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55555d817650) = 11 ./strace-static-x86_64: Process 5028 attached [pid 5028] set_robust_list(0x55555d817660, 24) = 0 [pid 5028] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5028] setpgid(0, 0) = 0 [pid 5028] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5028] write(3, "1000", 4) = 4 [pid 5028] close(3) = 0 [pid 5028] open("./bus", O_RDWR|O_CREAT|O_SYNC|O_DIRECT, 000) = 3 [pid 5028] fallocate(3, 0, 0, 567552650) = -1 EFBIG (File too large) [pid 5028] --- SIGXFSZ {si_signo=SIGXFSZ, si_code=SI_USER, si_pid=11, si_uid=0} --- [ 175.732975][ T28] audit: type=1800 audit(1712562912.107:11): pid=5028 uid=0 auid=4294967295 ses=4294967295 subj=unconfined op=collect_data cause=failed(directio) comm="syz-executor190" name="bus" dev="sda1" ino=1928 res=0 errno=0 [pid 5028] +++ killed by SIGXFSZ (core dumped) +++ [pid 5016] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_DUMPED, si_pid=11, si_uid=0, si_status=SIGXFSZ, si_utime=0, si_stime=22 /* 0.22 s */} --- [pid 5016] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5029 attached , child_tidptr=0x55555d817650) = 12 [pid 5029] set_robust_list(0x55555d817660, 24) = 0 [pid 5029] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5029] setpgid(0, 0) = 0 [pid 5029] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5029] write(3, "1000", 4) = 4 [pid 5029] close(3) = 0 [pid 5029] open("./bus", O_RDWR|O_CREAT|O_SYNC|O_DIRECT, 000) = 3 [pid 5029] fallocate(3, 0, 0, 567552650) = -1 EFBIG (File too large) [pid 5029] --- SIGXFSZ {si_signo=SIGXFSZ, si_code=SI_USER, si_pid=12, si_uid=0} --- [pid 5029] +++ killed by SIGXFSZ (core dumped) +++ [pid 5016] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_DUMPED, si_pid=12, si_uid=0, si_status=SIGXFSZ, si_utime=0, si_stime=21 /* 0.21 s */} --- [pid 5016] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 5016] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5030 attached , child_tidptr=0x55555d817650) = 13 [pid 5030] set_robust_list(0x55555d817660, 24) = 0 [pid 5030] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5030] setpgid(0, 0) = 0 [pid 5030] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5030] write(3, "1000", 4) = 4 [pid 5030] close(3) = 0 [pid 5030] open("./bus", O_RDWR|O_CREAT|O_SYNC|O_DIRECT, 000) = 3 [pid 5030] fallocate(3, 0, 0, 567552650) = -1 EFBIG (File too large) [pid 5030] --- SIGXFSZ {si_signo=SIGXFSZ, si_code=SI_USER, si_pid=13, si_uid=0} --- [ 176.432950][ T8] ===================================================== [ 176.440312][ T8] BUG: KMSAN: uninit-value in virtqueue_add+0x1e86/0x65c0 [ 176.447647][ T8] virtqueue_add+0x1e86/0x65c0 [ 176.452628][ T8] virtqueue_add_sgs+0x186/0x1b0 [ 176.457776][ T8] virtscsi_add_cmd+0x838/0xad0 [ 176.462864][ T8] virtscsi_queuecommand+0x898/0xa60 [ 176.468355][ T8] scsi_queue_rq+0x4cd0/0x5a80 [ 176.473349][ T8] blk_mq_dispatch_rq_list+0x148e/0x3ae0 [ 176.479165][ T8] __blk_mq_sched_dispatch_requests+0x11b7/0x26e0 [ 176.485766][ T8] blk_mq_sched_dispatch_requests+0x12f/0x270 [ 176.492021][ T8] blk_mq_run_work_fn+0xd0/0x280 [ 176.497144][ T8] process_scheduled_works+0xa81/0x1bd0 [ 176.502872][ T8] worker_thread+0xea5/0x1560 [ 176.507733][ T8] kthread+0x3e2/0x540 [ 176.511997][ T8] ret_from_fork+0x6d/0x90 [ 176.516595][ T8] ret_from_fork_asm+0x1a/0x30 [ 176.521610][ T8] [ 176.524026][ T8] Uninit was stored to memory at: [ 176.529370][ T8] copy_page_from_iter_atomic+0x12b7/0x2b60 [ 176.535450][ T8] generic_perform_write+0x4c1/0xc60 [ 176.540939][ T8] ext4_buffered_write_iter+0x564/0xaa0 [ 176.546715][ T8] ext4_file_write_iter+0x208/0x3450 [ 176.552197][ T8] __kernel_write_iter+0x68b/0xc40 [ 176.557495][ T8] dump_user_range+0x8dc/0xee0 [ 176.562428][ T8] elf_core_dump+0x520f/0x59c0 [ 176.567376][ T8] do_coredump+0x32d5/0x4920 [ 176.572126][ T8] get_signal+0x267e/0x2d00 [ 176.576904][ T8] arch_do_signal_or_restart+0x53/0xcb0 [ 176.582677][ T8] syscall_exit_to_user_mode+0x5d/0x160 [ 176.588475][ T8] do_syscall_64+0xe4/0x1f0 [ 176.593192][ T8] entry_SYSCALL_64_after_hwframe+0x72/0x7a [ 176.599303][ T8] [ 176.601710][ T8] Uninit was created at: [ 176.606178][ T8] __alloc_pages+0x9d6/0xe70 [ 176.610990][ T8] alloc_pages_mpol+0x299/0x990 [ 176.616058][ T8] alloc_pages+0x1bf/0x1e0 [ 176.620648][ T8] dump_user_range+0x4a/0xee0 [ 176.625505][ T8] elf_core_dump+0x520f/0x59c0 [ 176.630464][ T8] do_coredump+0x32d5/0x4920 [ 176.635255][ T8] get_signal+0x267e/0x2d00 [ 176.639930][ T8] arch_do_signal_or_restart+0x53/0xcb0 [ 176.645704][ T8] syscall_exit_to_user_mode+0x5d/0x160 [ 176.651470][ T8] do_syscall_64+0xe4/0x1f0 [ 176.656186][ T8] entry_SYSCALL_64_after_hwframe+0x72/0x7a [ 176.662290][ T8] [ 176.664698][ T8] Bytes 0-4095 of 4096 are uninitialized [ 176.670453][ T8] Memory access of size 4096 starts at ffff88812ea79000 [ 176.677522][ T8] [ 176.679935][ T8] CPU: 0 PID: 8 Comm: kworker/0:0H Not tainted 6.9.0-rc2-syzkaller-00435-g9fe30842a90b #0 [ 176.690003][ T8] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/27/2024 [ 176.700220][ T8] Workqueue: kblockd blk_mq_run_work_fn [ 176.705976][ T8] ===================================================== [ 176.713010][ T8] Disabling lock debugging due to kernel taint [ 176.719259][ T8] Kernel panic - not syncing: kmsan.panic set ... [ 176.725786][ T8] CPU: 0 PID: 8 Comm: kworker/0:0H Tainted: G B 6.9.0-rc2-syzkaller-00435-g9fe30842a90b #0 [ 176.737364][ T8] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/27/2024 [ 176.747585][ T8] Workqueue: kblockd blk_mq_run_work_fn [ 176.753360][ T8] Call Trace: [ 176.756742][ T8] [ 176.759793][ T8] dump_stack_lvl+0x216/0x2d0 [ 176.764696][ T8] ? kmsan_get_shadow_origin_ptr+0x4d/0xb0 [ 176.770698][ T8] dump_stack+0x1e/0x30 [ 176.775071][ T8] panic+0x4e2/0xcd0 [ 176.779220][ T8] ? kmsan_get_metadata+0x51/0x1d0 [ 176.784543][ T8] kmsan_report+0x2d5/0x2e0 [ 176.789245][ T8] ? kmsan_get_metadata+0x146/0x1d0 [ 176.794651][ T8] ? kmsan_internal_set_shadow_origin+0x66/0xe0 [ 176.801144][ T8] ? kmsan_internal_check_memory+0x48c/0x560 [ 176.807380][ T8] ? kmsan_handle_dma+0xac/0xc0 [ 176.812465][ T8] ? virtqueue_add+0x1e86/0x65c0 [ 176.817622][ T8] ? virtqueue_add_sgs+0x186/0x1b0 [ 176.822951][ T8] ? virtscsi_add_cmd+0x838/0xad0 [ 176.828197][ T8] ? virtscsi_queuecommand+0x898/0xa60 [ 176.833883][ T8] ? scsi_queue_rq+0x4cd0/0x5a80 [ 176.839034][ T8] ? blk_mq_dispatch_rq_list+0x148e/0x3ae0 [ 176.845048][ T8] ? __blk_mq_sched_dispatch_requests+0x11b7/0x26e0 [ 176.851834][ T8] ? blk_mq_sched_dispatch_requests+0x12f/0x270 [ 176.858280][ T8] ? blk_mq_run_work_fn+0xd0/0x280 [ 176.863643][ T8] ? process_scheduled_works+0xa81/0x1bd0 [ 176.869577][ T8] ? worker_thread+0xea5/0x1560 [ 176.874649][ T8] ? kthread+0x3e2/0x540 [ 176.879139][ T8] ? ret_from_fork+0x6d/0x90 [ 176.883913][ T8] ? ret_from_fork_asm+0x1a/0x30 [ 176.889071][ T8] ? scsi_queue_rq+0x4342/0x5a80 [ 176.894216][ T8] ? blk_mq_dispatch_rq_list+0x148e/0x3ae0 [ 176.900211][ T8] ? __blk_mq_sched_dispatch_requests+0x11b7/0x26e0 [ 176.906995][ T8] ? blk_mq_sched_dispatch_requests+0x12f/0x270 [ 176.913424][ T8] ? blk_mq_run_work_fn+0xd0/0x280 [ 176.918750][ T8] ? process_scheduled_works+0xa81/0x1bd0 [ 176.924664][ T8] ? worker_thread+0xea5/0x1560 [ 176.929713][ T8] ? kthread+0x3e2/0x540 [ 176.934165][ T8] ? ret_from_fork+0x6d/0x90 [ 176.938949][ T8] ? ret_from_fork_asm+0x1a/0x30 [ 176.944101][ T8] ? kmsan_get_metadata+0x146/0x1d0 [ 176.949490][ T8] ? kmsan_get_shadow_origin_ptr+0x4d/0xb0 [ 176.955489][ T8] ? kmsan_get_metadata+0x146/0x1d0 [ 176.960874][ T8] ? kmsan_get_shadow_origin_ptr+0x4d/0xb0 [ 176.966863][ T8] ? should_fail_ex+0x4a/0x800 [ 176.971846][ T8] ? kmsan_get_metadata+0x146/0x1d0 [ 176.977264][ T8] ? kmsan_get_shadow_origin_ptr+0x4d/0xb0 [ 176.983252][ T8] ? kmsan_get_metadata+0x146/0x1d0 [ 176.988628][ T8] kmsan_internal_check_memory+0x48c/0x560 [ 176.994683][ T8] kmsan_handle_dma+0xac/0xc0 [ 176.999583][ T8] virtqueue_add+0x1e86/0x65c0 [ 177.004568][ T8] ? kmsan_get_shadow_origin_ptr+0x4d/0xb0 [ 177.010584][ T8] ? kmsan_get_metadata+0x146/0x1d0 [ 177.015966][ T8] ? kmsan_get_metadata+0x146/0x1d0 [ 177.021346][ T8] ? kmsan_get_shadow_origin_ptr+0x4d/0xb0 [ 177.027376][ T8] virtqueue_add_sgs+0x186/0x1b0 [ 177.032555][ T8] virtscsi_add_cmd+0x838/0xad0 [ 177.037674][ T8] virtscsi_queuecommand+0x898/0xa60 [ 177.043202][ T8] ? __pfx_virtscsi_queuecommand+0x10/0x10 [ 177.049237][ T8] scsi_queue_rq+0x4cd0/0x5a80 [ 177.054255][ T8] ? __pfx_scsi_queue_rq+0x10/0x10 [ 177.059584][ T8] blk_mq_dispatch_rq_list+0x148e/0x3ae0 [ 177.065419][ T8] ? sbitmap_get+0x4d5/0x670 [ 177.070227][ T8] ? kmsan_get_shadow_origin_ptr+0x4d/0xb0 [ 177.076229][ T8] ? kmsan_get_metadata+0x146/0x1d0 [ 177.081623][ T8] ? dd_dispatch_request+0xa01/0xa20 [ 177.087091][ T8] __blk_mq_sched_dispatch_requests+0x11b7/0x26e0 [ 177.093726][ T8] ? finish_task_switch+0x1c8/0x8f0 [ 177.099148][ T8] ? __blk_mq_sched_dispatch_requests+0x1041/0x26e0 [ 177.105955][ T8] blk_mq_sched_dispatch_requests+0x12f/0x270 [ 177.112232][ T8] blk_mq_run_work_fn+0xd0/0x280 [ 177.117387][ T8] ? __pfx_blk_mq_run_work_fn+0x10/0x10 [ 177.123149][ T8] process_scheduled_works+0xa81/0x1bd0 [ 177.128931][ T8] worker_thread+0xea5/0x1560 [ 177.133829][ T8] kthread+0x3e2/0x540 [ 177.138099][ T8] ? __pfx_worker_thread+0x10/0x10 [ 177.143416][ T8] ? __pfx_kthread+0x10/0x10 [ 177.148218][ T8] ret_from_fork+0x6d/0x90 [ 177.152815][ T8] ? __pfx_kthread+0x10/0x10 [ 177.158744][ T8] ret_from_fork_asm+0x1a/0x30 [ 177.163741][ T8] [ 178.674404][ T8] Shutting down cpus with NMI [ 178.679595][ T8] Kernel Offset: disabled [ 178.683996][ T8] Rebooting in 86400 seconds..