./strace-static-x86_64 -e \!wait4,clock_nanosleep,nanosleep -s 100 -x -f ./syz-executor949397249 <...> Warning: Permanently added '10.128.0.41' (ED25519) to the list of known hosts. execve("./syz-executor949397249", ["./syz-executor949397249"], 0x7fffc3f3dac0 /* 10 vars */) = 0 brk(NULL) = 0x55558e1cc000 brk(0x55558e1ccd00) = 0x55558e1ccd00 arch_prctl(ARCH_SET_FS, 0x55558e1cc380) = 0 set_tid_address(0x55558e1cc650) = 5040 set_robust_list(0x55558e1cc660, 24) = 0 rseq(0x55558e1ccca0, 0x20, 0, 0x53053053) = 0 prlimit64(0, RLIMIT_STACK, NULL, {rlim_cur=8192*1024, rlim_max=RLIM64_INFINITY}) = 0 readlink("/proc/self/exe", "/root/syz-executor949397249", 4096) = 27 getrandom("\x4d\x96\xa5\x6b\x5c\x09\xcf\x99", 8, GRND_NONBLOCK) = 8 brk(NULL) = 0x55558e1ccd00 brk(0x55558e1edd00) = 0x55558e1edd00 brk(0x55558e1ee000) = 0x55558e1ee000 mprotect(0x7f7bbfdbb000, 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 mount(NULL, "/proc/sys/fs/binfmt_misc", "binfmt_misc", 0, NULL) = -1 EBUSY (Device or resource busy) unshare(CLONE_NEWPID) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5041 attached , child_tidptr=0x55558e1cc650) = 5041 [pid 5041] set_robust_list(0x55558e1cc660, 24) = 0 [pid 5041] mount(NULL, "/sys/fs/fuse/connections", "fusectl", 0, NULL) = -1 EBUSY (Device or resource busy) [pid 5041] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5041] setsid() = 1 [pid 5041] prlimit64(0, RLIMIT_AS, {rlim_cur=204800*1024, rlim_max=204800*1024}, NULL) = 0 [pid 5041] prlimit64(0, RLIMIT_MEMLOCK, {rlim_cur=32768*1024, rlim_max=32768*1024}, NULL) = 0 [pid 5041] prlimit64(0, RLIMIT_FSIZE, {rlim_cur=139264*1024, rlim_max=139264*1024}, NULL) = 0 [pid 5041] prlimit64(0, RLIMIT_STACK, {rlim_cur=1024*1024, rlim_max=1024*1024}, NULL) = 0 [pid 5041] prlimit64(0, RLIMIT_CORE, {rlim_cur=131072*1024, rlim_max=131072*1024}, NULL) = 0 [pid 5041] prlimit64(0, RLIMIT_NOFILE, {rlim_cur=256, rlim_max=256}, NULL) = 0 [pid 5041] unshare(CLONE_NEWNS) = 0 [pid 5041] mount(NULL, "/", NULL, MS_REC|MS_PRIVATE, NULL) = 0 [pid 5041] unshare(CLONE_NEWIPC) = 0 [pid 5041] unshare(CLONE_NEWCGROUP) = 0 [pid 5041] unshare(CLONE_NEWUTS) = 0 [pid 5041] unshare(CLONE_SYSVSEM) = 0 [pid 5041] openat(AT_FDCWD, "/proc/sys/kernel/shmmax", O_WRONLY|O_CLOEXEC) = 3 [pid 5041] write(3, "16777216", 8) = 8 [pid 5041] close(3) = 0 [pid 5041] openat(AT_FDCWD, "/proc/sys/kernel/shmall", O_WRONLY|O_CLOEXEC) = 3 [pid 5041] write(3, "536870912", 9) = 9 [pid 5041] close(3) = 0 [pid 5041] openat(AT_FDCWD, "/proc/sys/kernel/shmmni", O_WRONLY|O_CLOEXEC) = 3 [pid 5041] write(3, "1024", 4) = 4 [pid 5041] close(3) = 0 [pid 5041] openat(AT_FDCWD, "/proc/sys/kernel/msgmax", O_WRONLY|O_CLOEXEC) = 3 [pid 5041] write(3, "8192", 4) = 4 [pid 5041] close(3) = 0 [pid 5041] openat(AT_FDCWD, "/proc/sys/kernel/msgmni", O_WRONLY|O_CLOEXEC) = 3 [pid 5041] write(3, "1024", 4) = 4 [pid 5041] close(3) = 0 [pid 5041] openat(AT_FDCWD, "/proc/sys/kernel/msgmnb", O_WRONLY|O_CLOEXEC) = 3 [pid 5041] write(3, "1024", 4) = 4 [pid 5041] close(3) = 0 [pid 5041] openat(AT_FDCWD, "/proc/sys/kernel/sem", O_WRONLY|O_CLOEXEC) = 3 [pid 5041] write(3, "1024 1048576 500 1024", 21) = 21 [pid 5041] close(3) = 0 [pid 5041] getpid() = 1 [pid 5041] capget({version=_LINUX_CAPABILITY_VERSION_3, pid=1}, {effective=1< [ 182.823566][ T1009] dump_stack_lvl+0x216/0x2d0 [ 182.828584][ T1009] ? kmsan_get_shadow_origin_ptr+0x4d/0xb0 [ 182.834614][ T1009] dump_stack+0x1e/0x30 [ 182.839084][ T1009] panic+0x4e2/0xcd0 [ 182.843196][ T1009] ? kmsan_get_metadata+0xf1/0x1d0 [ 182.848522][ T1009] kmsan_report+0x2d5/0x2e0 [ 182.853227][ T1009] ? kmsan_get_metadata+0x146/0x1d0 [ 182.858648][ T1009] ? kmsan_internal_set_shadow_origin+0x66/0xe0 [ 182.865243][ T1009] ? kmsan_internal_check_memory+0x48c/0x560 [ 182.871465][ T1009] ? kmsan_handle_dma+0xac/0xc0 [ 182.876526][ T1009] ? virtqueue_add+0x1e86/0x65c0 [ 182.881722][ T1009] ? virtqueue_add_sgs+0x186/0x1b0 [ 182.887064][ T1009] ? virtscsi_add_cmd+0x838/0xad0 [ 182.892403][ T1009] ? virtscsi_queuecommand+0x898/0xa60 [ 182.898186][ T1009] ? scsi_queue_rq+0x4cc7/0x5a80 [ 182.903410][ T1009] ? blk_mq_dispatch_rq_list+0x79b/0x3440 [ 182.909376][ T1009] ? __blk_mq_sched_dispatch_requests+0x11b7/0x26e0 [ 182.916218][ T1009] ? blk_mq_sched_dispatch_requests+0x12f/0x270 [ 182.922696][ T1009] ? blk_mq_run_work_fn+0xd0/0x280 [ 182.928089][ T1009] ? process_scheduled_works+0xa81/0x1bd0 [ 182.934013][ T1009] ? worker_thread+0xea5/0x1560 [ 182.939067][ T1009] ? kthread+0x3e2/0x540 [ 182.943518][ T1009] ? ret_from_fork+0x6d/0x90 [ 182.948390][ T1009] ? ret_from_fork_asm+0x1a/0x30 [ 182.953701][ T1009] ? scsi_queue_rq+0x4335/0x5a80 [ 182.958940][ T1009] ? blk_mq_dispatch_rq_list+0x79b/0x3440 [ 182.964900][ T1009] ? __blk_mq_sched_dispatch_requests+0x11b7/0x26e0 [ 182.971743][ T1009] ? blk_mq_sched_dispatch_requests+0x12f/0x270 [ 182.978220][ T1009] ? blk_mq_run_work_fn+0xd0/0x280 [ 182.983545][ T1009] ? process_scheduled_works+0xa81/0x1bd0 [ 182.989625][ T1009] ? worker_thread+0xea5/0x1560 [ 182.994695][ T1009] ? kthread+0x3e2/0x540 [ 182.999153][ T1009] ? ret_from_fork+0x6d/0x90 [ 183.003933][ T1009] ? ret_from_fork_asm+0x1a/0x30 [ 183.009193][ T1009] ? kmsan_get_metadata+0x146/0x1d0 [ 183.014613][ T1009] ? kmsan_get_shadow_origin_ptr+0x4d/0xb0 [ 183.020624][ T1009] ? kmsan_get_metadata+0x146/0x1d0 [ 183.026115][ T1009] ? kmsan_get_shadow_origin_ptr+0x4d/0xb0 [ 183.032145][ T1009] ? should_fail_ex+0x4a/0x800 [ 183.037110][ T1009] ? kmsan_get_metadata+0x146/0x1d0 [ 183.042515][ T1009] ? kmsan_get_shadow_origin_ptr+0x4d/0xb0 [ 183.048544][ T1009] ? kmsan_get_metadata+0x146/0x1d0 [ 183.053944][ T1009] kmsan_internal_check_memory+0x48c/0x560 [ 183.060104][ T1009] kmsan_handle_dma+0xac/0xc0 [ 183.064970][ T1009] virtqueue_add+0x1e86/0x65c0 [ 183.069964][ T1009] ? kmsan_get_shadow_origin_ptr+0x4d/0xb0 [ 183.076023][ T1009] ? kmsan_get_metadata+0x146/0x1d0 [ 183.081423][ T1009] ? kmsan_get_metadata+0x146/0x1d0 [ 183.086862][ T1009] ? kmsan_get_shadow_origin_ptr+0x4d/0xb0 [ 183.093084][ T1009] virtqueue_add_sgs+0x186/0x1b0 [ 183.098334][ T1009] virtscsi_add_cmd+0x838/0xad0 [ 183.103442][ T1009] virtscsi_queuecommand+0x898/0xa60 [ 183.108990][ T1009] ? __pfx_virtscsi_queuecommand+0x10/0x10 [ 183.115069][ T1009] scsi_queue_rq+0x4cc7/0x5a80 [ 183.120120][ T1009] ? __pfx_scsi_queue_rq+0x10/0x10 [ 183.125569][ T1009] blk_mq_dispatch_rq_list+0x79b/0x3440 [ 183.131369][ T1009] ? sbitmap_get+0x431/0x670 [ 183.136160][ T1009] ? kmsan_get_shadow_origin_ptr+0x4d/0xb0 [ 183.142210][ T1009] ? dd_dispatch_request+0x9a1/0xa20 [ 183.147731][ T1009] __blk_mq_sched_dispatch_requests+0x11b7/0x26e0 [ 183.154589][ T1009] ? finish_task_switch+0x1c8/0x8f0 [ 183.160139][ T1009] ? __blk_mq_sched_dispatch_requests+0x1031/0x26e0 [ 183.167224][ T1009] blk_mq_sched_dispatch_requests+0x12f/0x270 [ 183.173542][ T1009] blk_mq_run_work_fn+0xd0/0x280 [ 183.178679][ T1009] ? __pfx_blk_mq_run_work_fn+0x10/0x10 [ 183.184512][ T1009] process_scheduled_works+0xa81/0x1bd0 [ 183.190397][ T1009] worker_thread+0xea5/0x1560 [ 183.195546][ T1009] ? kmsan_get_shadow_origin_ptr+0x4d/0xb0 [ 183.202598][ T1009] kthread+0x3e2/0x540 [ 183.207032][ T1009] ? __pfx_worker_thread+0x10/0x10 [ 183.212741][ T1009] ? __pfx_kthread+0x10/0x10 [ 183.217831][ T1009] ret_from_fork+0x6d/0x90 [ 183.222811][ T1009] ? __pfx_kthread+0x10/0x10 [ 183.227743][ T1009] ret_from_fork_asm+0x1a/0x30 [ 183.232889][ T1009] [ 184.772177][ T1009] Shutting down cpus with NMI [ 184.777383][ T1009] Kernel Offset: disabled [ 184.781814][ T1009] Rebooting in 86400 seconds..