./strace-static-x86_64 -e \!wait4,clock_nanosleep,nanosleep -s 100 -x -f ./syz-executor1963105501 <...> Warning: Permanently added '10.128.0.178' (ED25519) to the list of known hosts. execve("./syz-executor1963105501", ["./syz-executor1963105501"], 0x7ffc525d37b0 /* 10 vars */) = 0 brk(NULL) = 0x555571293000 brk(0x555571293d00) = 0x555571293d00 arch_prctl(ARCH_SET_FS, 0x555571293380) = 0 set_tid_address(0x555571293650) = 5047 set_robust_list(0x555571293660, 24) = 0 rseq(0x555571293ca0, 0x20, 0, 0x53053053) = 0 prlimit64(0, RLIMIT_STACK, NULL, {rlim_cur=8192*1024, rlim_max=RLIM64_INFINITY}) = 0 readlink("/proc/self/exe", "/root/syz-executor1963105501", 4096) = 28 getrandom("\x47\x5d\xa3\xda\x14\xb6\x1b\x7d", 8, GRND_NONBLOCK) = 8 brk(NULL) = 0x555571293d00 brk(0x5555712b4d00) = 0x5555712b4d00 brk(0x5555712b5000) = 0x5555712b5000 mprotect(0x7f549daa0000, 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=0x555571293650) = 5048 ./strace-static-x86_64: Process 5048 attached [pid 5048] set_robust_list(0x555571293660, 24) = 0 [pid 5048] mount(NULL, "/sys/fs/fuse/connections", "fusectl", 0, NULL) = -1 EBUSY (Device or resource busy) [pid 5048] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5048] setsid() = 1 [pid 5048] prlimit64(0, RLIMIT_AS, {rlim_cur=204800*1024, rlim_max=204800*1024}, NULL) = 0 [pid 5048] prlimit64(0, RLIMIT_MEMLOCK, {rlim_cur=32768*1024, rlim_max=32768*1024}, NULL) = 0 [pid 5048] prlimit64(0, RLIMIT_FSIZE, {rlim_cur=139264*1024, rlim_max=139264*1024}, NULL) = 0 [pid 5048] prlimit64(0, RLIMIT_STACK, {rlim_cur=1024*1024, rlim_max=1024*1024}, NULL) = 0 [pid 5048] prlimit64(0, RLIMIT_CORE, {rlim_cur=131072*1024, rlim_max=131072*1024}, NULL) = 0 [pid 5048] prlimit64(0, RLIMIT_NOFILE, {rlim_cur=256, rlim_max=256}, NULL) = 0 [pid 5048] unshare(CLONE_NEWNS) = 0 [pid 5048] mount(NULL, "/", NULL, MS_REC|MS_PRIVATE, NULL) = 0 [pid 5048] unshare(CLONE_NEWIPC) = 0 [pid 5048] unshare(CLONE_NEWCGROUP) = 0 [pid 5048] unshare(CLONE_NEWUTS) = 0 [pid 5048] unshare(CLONE_SYSVSEM) = 0 [pid 5048] openat(AT_FDCWD, "/proc/sys/kernel/shmmax", O_WRONLY|O_CLOEXEC) = 3 [pid 5048] write(3, "16777216", 8) = 8 [pid 5048] close(3) = 0 [pid 5048] openat(AT_FDCWD, "/proc/sys/kernel/shmall", O_WRONLY|O_CLOEXEC) = 3 [pid 5048] write(3, "536870912", 9) = 9 [pid 5048] close(3) = 0 [pid 5048] openat(AT_FDCWD, "/proc/sys/kernel/shmmni", O_WRONLY|O_CLOEXEC) = 3 [pid 5048] write(3, "1024", 4) = 4 [pid 5048] close(3) = 0 [pid 5048] openat(AT_FDCWD, "/proc/sys/kernel/msgmax", O_WRONLY|O_CLOEXEC) = 3 [pid 5048] write(3, "8192", 4) = 4 [pid 5048] close(3) = 0 [pid 5048] openat(AT_FDCWD, "/proc/sys/kernel/msgmni", O_WRONLY|O_CLOEXEC) = 3 [pid 5048] write(3, "1024", 4) = 4 [pid 5048] close(3) = 0 [pid 5048] openat(AT_FDCWD, "/proc/sys/kernel/msgmnb", O_WRONLY|O_CLOEXEC) = 3 [pid 5048] write(3, "1024", 4) = 4 [pid 5048] close(3) = 0 [pid 5048] openat(AT_FDCWD, "/proc/sys/kernel/sem", O_WRONLY|O_CLOEXEC) = 3 [pid 5048] write(3, "1024 1048576 500 1024", 21) = 21 [pid 5048] close(3) = 0 [pid 5048] getpid() = 1 [pid 5048] capget({version=_LINUX_CAPABILITY_VERSION_3, pid=1}, {effective=1< [ 161.873637][ T26] dump_stack_lvl+0x216/0x2d0 [ 161.878512][ T26] ? kmsan_get_shadow_origin_ptr+0x4d/0xb0 [ 161.884507][ T26] dump_stack+0x1e/0x30 [ 161.888852][ T26] panic+0x4e2/0xcd0 [ 161.892931][ T26] ? kmsan_get_metadata+0xf1/0x1d0 [ 161.898222][ T26] kmsan_report+0x2d5/0x2e0 [ 161.902901][ T26] ? kmsan_get_metadata+0x146/0x1d0 [ 161.908291][ T26] ? kmsan_internal_set_shadow_origin+0x66/0xe0 [ 161.914760][ T26] ? kmsan_internal_check_memory+0x48c/0x560 [ 161.920952][ T26] ? kmsan_handle_dma+0xac/0xc0 [ 161.925957][ T26] ? virtqueue_add+0x1e86/0x65c0 [ 161.931075][ T26] ? virtqueue_add_sgs+0x186/0x1b0 [ 161.936368][ T26] ? virtscsi_add_cmd+0x838/0xad0 [ 161.941582][ T26] ? virtscsi_queuecommand+0x898/0xa60 [ 161.947214][ T26] ? scsi_queue_rq+0x4cc7/0x5a80 [ 161.952317][ T26] ? blk_mq_dispatch_rq_list+0x79b/0x3440 [ 161.958254][ T26] ? __blk_mq_sched_dispatch_requests+0x11b7/0x26e0 [ 161.965051][ T26] ? blk_mq_sched_dispatch_requests+0x12f/0x270 [ 161.971492][ T26] ? blk_mq_run_work_fn+0xd0/0x280 [ 161.976768][ T26] ? process_scheduled_works+0xa81/0x1bd0 [ 161.982656][ T26] ? worker_thread+0xea5/0x1560 [ 161.987674][ T26] ? kthread+0x3e2/0x540 [ 161.992088][ T26] ? ret_from_fork+0x6d/0x90 [ 161.996838][ T26] ? ret_from_fork_asm+0x1a/0x30 [ 162.001959][ T26] ? scsi_queue_rq+0x4335/0x5a80 [ 162.007057][ T26] ? blk_mq_dispatch_rq_list+0x79b/0x3440 [ 162.012973][ T26] ? __blk_mq_sched_dispatch_requests+0x11b7/0x26e0 [ 162.019768][ T26] ? blk_mq_sched_dispatch_requests+0x12f/0x270 [ 162.026213][ T26] ? blk_mq_run_work_fn+0xd0/0x280 [ 162.031487][ T26] ? process_scheduled_works+0xa81/0x1bd0 [ 162.037378][ T26] ? worker_thread+0xea5/0x1560 [ 162.042397][ T26] ? kthread+0x3e2/0x540 [ 162.046813][ T26] ? ret_from_fork+0x6d/0x90 [ 162.051557][ T26] ? ret_from_fork_asm+0x1a/0x30 [ 162.056678][ T26] ? kmsan_get_metadata+0x146/0x1d0 [ 162.062039][ T26] ? kmsan_get_shadow_origin_ptr+0x4d/0xb0 [ 162.068011][ T26] ? kmsan_get_metadata+0x146/0x1d0 [ 162.073369][ T26] ? kmsan_get_shadow_origin_ptr+0x4d/0xb0 [ 162.079353][ T26] ? should_fail_ex+0x4a/0x800 [ 162.084276][ T26] ? kmsan_get_metadata+0x146/0x1d0 [ 162.089634][ T26] ? kmsan_get_shadow_origin_ptr+0x4d/0xb0 [ 162.095616][ T26] ? kmsan_get_metadata+0x146/0x1d0 [ 162.100974][ T26] kmsan_internal_check_memory+0x48c/0x560 [ 162.107005][ T26] kmsan_handle_dma+0xac/0xc0 [ 162.111839][ T26] virtqueue_add+0x1e86/0x65c0 [ 162.116780][ T26] ? kmsan_get_shadow_origin_ptr+0x4d/0xb0 [ 162.122751][ T26] ? kmsan_get_metadata+0x146/0x1d0 [ 162.128116][ T26] ? kmsan_get_metadata+0x146/0x1d0 [ 162.133485][ T26] ? kmsan_get_shadow_origin_ptr+0x4d/0xb0 [ 162.139491][ T26] virtqueue_add_sgs+0x186/0x1b0 [ 162.144631][ T26] virtscsi_add_cmd+0x838/0xad0 [ 162.149699][ T26] virtscsi_queuecommand+0x898/0xa60 [ 162.155174][ T26] ? __pfx_virtscsi_queuecommand+0x10/0x10 [ 162.161156][ T26] scsi_queue_rq+0x4cc7/0x5a80 [ 162.166119][ T26] ? __pfx_scsi_queue_rq+0x10/0x10 [ 162.171397][ T26] blk_mq_dispatch_rq_list+0x79b/0x3440 [ 162.177147][ T26] ? sbitmap_get+0x431/0x670 [ 162.181900][ T26] ? kmsan_get_shadow_origin_ptr+0x4d/0xb0 [ 162.187899][ T26] ? dd_dispatch_request+0x9a1/0xa20 [ 162.193378][ T26] __blk_mq_sched_dispatch_requests+0x11b7/0x26e0 [ 162.200018][ T26] ? finish_task_switch+0x1c8/0x8f0 [ 162.205413][ T26] ? __blk_mq_sched_dispatch_requests+0x1031/0x26e0 [ 162.212229][ T26] blk_mq_sched_dispatch_requests+0x12f/0x270 [ 162.218510][ T26] blk_mq_run_work_fn+0xd0/0x280 [ 162.223621][ T26] ? __pfx_blk_mq_run_work_fn+0x10/0x10 [ 162.229334][ T26] process_scheduled_works+0xa81/0x1bd0 [ 162.235088][ T26] worker_thread+0xea5/0x1560 [ 162.239962][ T26] kthread+0x3e2/0x540 [ 162.244208][ T26] ? __pfx_worker_thread+0x10/0x10 [ 162.249503][ T26] ? __pfx_kthread+0x10/0x10 [ 162.254278][ T26] ret_from_fork+0x6d/0x90 [ 162.258851][ T26] ? __pfx_kthread+0x10/0x10 [ 162.263626][ T26] ret_from_fork_asm+0x1a/0x30 [ 162.268595][ T26] [ 163.674414][ T26] Shutting down cpus with NMI [ 163.679351][ T26] Kernel Offset: disabled [ 163.683734][ T26] Rebooting in 86400 seconds..