./strace-static-x86_64 -e \!wait4,clock_nanosleep,nanosleep -s 100 -x -f ./syz-executor3740044504 <...> Warning: Permanently added '10.128.0.212' (ECDSA) to the list of known hosts. execve("./syz-executor3740044504", ["./syz-executor3740044504"], 0x7fff338a6150 /* 10 vars */) = 0 brk(NULL) = 0x5555561a7000 brk(0x5555561a7c40) = 0x5555561a7c40 arch_prctl(ARCH_SET_FS, 0x5555561a7300) = 0 uname({sysname="Linux", nodename="syzkaller", ...}) = 0 readlink("/proc/self/exe", "/root/syz-executor3740044504", 4096) = 28 brk(0x5555561c8c40) = 0x5555561c8c40 brk(0x5555561c9000) = 0x5555561c9000 mprotect(0x7f69670a3000, 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./strace-static-x86_64: Process 4998 attached , child_tidptr=0x5555561a75d0) = 4998 [pid 4998] mount(NULL, "/sys/fs/fuse/connections", "fusectl", 0, NULL) = -1 EBUSY (Device or resource busy) [pid 4998] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 4998] setsid() = 1 [pid 4998] prlimit64(0, RLIMIT_AS, {rlim_cur=204800*1024, rlim_max=204800*1024}, NULL) = 0 [pid 4998] prlimit64(0, RLIMIT_MEMLOCK, {rlim_cur=32768*1024, rlim_max=32768*1024}, NULL) = 0 [pid 4998] prlimit64(0, RLIMIT_FSIZE, {rlim_cur=139264*1024, rlim_max=139264*1024}, NULL) = 0 [pid 4998] prlimit64(0, RLIMIT_STACK, {rlim_cur=1024*1024, rlim_max=1024*1024}, NULL) = 0 [pid 4998] prlimit64(0, RLIMIT_CORE, {rlim_cur=131072*1024, rlim_max=131072*1024}, NULL) = 0 [pid 4998] prlimit64(0, RLIMIT_NOFILE, {rlim_cur=256, rlim_max=256}, NULL) = 0 [pid 4998] unshare(CLONE_NEWNS) = 0 [pid 4998] mount(NULL, "/", NULL, MS_REC|MS_PRIVATE, NULL) = 0 [pid 4998] unshare(CLONE_NEWIPC) = 0 [pid 4998] unshare(CLONE_NEWCGROUP) = 0 [pid 4998] unshare(CLONE_NEWUTS) = 0 [pid 4998] unshare(CLONE_SYSVSEM) = 0 [pid 4998] openat(AT_FDCWD, "/proc/sys/kernel/shmmax", O_WRONLY|O_CLOEXEC) = 3 [pid 4998] write(3, "16777216", 8) = 8 [pid 4998] close(3) = 0 [pid 4998] openat(AT_FDCWD, "/proc/sys/kernel/shmall", O_WRONLY|O_CLOEXEC) = 3 [pid 4998] write(3, "536870912", 9) = 9 [pid 4998] close(3) = 0 [pid 4998] openat(AT_FDCWD, "/proc/sys/kernel/shmmni", O_WRONLY|O_CLOEXEC) = 3 [pid 4998] write(3, "1024", 4) = 4 [pid 4998] close(3) = 0 [pid 4998] openat(AT_FDCWD, "/proc/sys/kernel/msgmax", O_WRONLY|O_CLOEXEC) = 3 [pid 4998] write(3, "8192", 4) = 4 [pid 4998] close(3) = 0 [pid 4998] openat(AT_FDCWD, "/proc/sys/kernel/msgmni", O_WRONLY|O_CLOEXEC) = 3 [pid 4998] write(3, "1024", 4) = 4 [pid 4998] close(3) = 0 [pid 4998] openat(AT_FDCWD, "/proc/sys/kernel/msgmnb", O_WRONLY|O_CLOEXEC) = 3 [pid 4998] write(3, "1024", 4) = 4 [pid 4998] close(3) = 0 [pid 4998] openat(AT_FDCWD, "/proc/sys/kernel/sem", O_WRONLY|O_CLOEXEC) = 3 [pid 4998] write(3, "1024 1048576 500 1024", 21) = 21 [pid 4998] close(3) = 0 [pid 4998] getpid() = 1 [pid 4998] capget({version=_LINUX_CAPABILITY_VERSION_3, pid=1}, {effective=1< [ 65.968827][ T4998] dump_stack_lvl+0x1e7/0x2d0 [ 65.973551][ T4998] ? nf_tcp_handle_invalid+0x650/0x650 [ 65.979114][ T4998] ? panic+0x770/0x770 [ 65.983201][ T4998] ? _printk+0xd5/0x120 [ 65.987376][ T4998] print_report+0xe6/0x540 [ 65.991819][ T4998] ? __virt_addr_valid+0x58/0x2e0 [ 65.996860][ T4998] ? __destroy_inode+0x426/0x5e0 [ 66.001802][ T4998] kasan_report+0x176/0x1b0 [ 66.006307][ T4998] ? __destroy_inode+0x426/0x5e0 [ 66.011250][ T4998] kasan_check_range+0x283/0x290 [ 66.016212][ T4998] __destroy_inode+0x426/0x5e0 [ 66.020981][ T4998] evict+0x51b/0x620 [ 66.024884][ T4998] evict_inodes+0x5f8/0x690 [ 66.029501][ T4998] ? clear_inode+0x150/0x150 [ 66.034097][ T4998] ? sync_filesystem+0x107/0x220 [ 66.039034][ T4998] generic_shutdown_super+0x98/0x340 [ 66.044339][ T4998] kill_block_super+0x84/0xf0 [ 66.049016][ T4998] deactivate_locked_super+0xa4/0x110 [ 66.054385][ T4998] cleanup_mnt+0x426/0x4c0 [ 66.058802][ T4998] ? _raw_spin_unlock_irq+0x23/0x50 [ 66.063998][ T4998] task_work_run+0x24a/0x300 [ 66.068611][ T4998] ? kasan_quarantine_put+0xd8/0x230 [ 66.073903][ T4998] ? task_work_cancel+0x2b0/0x2b0 [ 66.078944][ T4998] ? kmem_cache_free+0x297/0x520 [ 66.083877][ T4998] ? do_exit+0x68a/0x2290 [ 66.088221][ T4998] do_exit+0x68f/0x2290 [ 66.092392][ T4998] ? put_task_struct+0x80/0x80 [ 66.097163][ T4998] ? lockdep_hardirqs_on_prepare+0x43c/0x7a0 [ 66.103156][ T4998] ? print_irqtrace_events+0x220/0x220 [ 66.108626][ T4998] ? _raw_spin_unlock_irq+0x23/0x50 [ 66.113822][ T4998] ? lockdep_hardirqs_on+0x98/0x140 [ 66.119028][ T4998] do_group_exit+0x206/0x2c0 [ 66.123672][ T4998] __x64_sys_exit_group+0x3f/0x40 [ 66.128699][ T4998] do_syscall_64+0x41/0xc0 [ 66.133122][ T4998] entry_SYSCALL_64_after_hwframe+0x63/0xcd [ 66.139014][ T4998] RIP: 0033:0x7f696702ea49 [ 66.143425][ T4998] Code: Unable to access opcode bytes at 0x7f696702ea1f. [ 66.150436][ T4998] RSP: 002b:00007ffcc25baa18 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7 [ 66.158847][ T4998] RAX: ffffffffffffffda RBX: 00007f69670a9330 RCX: 00007f696702ea49 [ 66.166831][ T4998] RDX: 000000000000003c RSI: 00000000000000e7 RDI: 0000000000000001 [ 66.174883][ T4998] RBP: 0000000000000001 R08: ffffffffffffffc0 R09: 00007f69670a3e40 [ 66.182851][ T4998] R10: 00007f69670a3e40 R11: 0000000000000246 R12: 00007f69670a9330 [ 66.190925][ T4998] R13: 0000000000000001 R14: 0000000000000000 R15: 0000000000000001 [ 66.198918][ T4998] [ 66.201932][ T4998] ================================================================== [ 66.210662][ T4998] Kernel panic - not syncing: KASAN: panic_on_warn set ... [ 66.217898][ T4998] CPU: 0 PID: 4998 Comm: syz-executor374 Not tainted 6.3.0-syzkaller-12999-gfa31fc82fb77 #0 [ 66.227987][ T4998] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/14/2023 [ 66.238046][ T4998] Call Trace: [ 66.241328][ T4998] [ 66.244264][ T4998] dump_stack_lvl+0x1e7/0x2d0 [ 66.248991][ T4998] ? nf_tcp_handle_invalid+0x650/0x650 [ 66.254465][ T4998] ? panic+0x770/0x770 [ 66.258541][ T4998] ? preempt_schedule_common+0x83/0xc0 [ 66.264014][ T4998] ? vscnprintf+0x5d/0x80 [ 66.268356][ T4998] panic+0x30f/0x770 [ 66.272261][ T4998] ? check_panic_on_warn+0x21/0xa0 [ 66.277408][ T4998] ? __memcpy_flushcache+0x2b0/0x2b0 [ 66.282730][ T4998] ? _raw_spin_unlock_irqrestore+0x12c/0x140 [ 66.288755][ T4998] ? _raw_spin_unlock+0x40/0x40 [ 66.293622][ T4998] ? print_report+0xe6/0x540 [ 66.298228][ T4998] check_panic_on_warn+0x82/0xa0 [ 66.303357][ T4998] ? __destroy_inode+0x426/0x5e0 [ 66.308308][ T4998] end_report+0x63/0x110 [ 66.312562][ T4998] kasan_report+0x183/0x1b0 [ 66.317077][ T4998] ? __destroy_inode+0x426/0x5e0 [ 66.322055][ T4998] kasan_check_range+0x283/0x290 [ 66.327021][ T4998] __destroy_inode+0x426/0x5e0 [ 66.331812][ T4998] evict+0x51b/0x620 [ 66.335742][ T4998] evict_inodes+0x5f8/0x690 [ 66.340267][ T4998] ? clear_inode+0x150/0x150 [ 66.344875][ T4998] ? sync_filesystem+0x107/0x220 [ 66.349862][ T4998] generic_shutdown_super+0x98/0x340 [ 66.355173][ T4998] kill_block_super+0x84/0xf0 [ 66.359863][ T4998] deactivate_locked_super+0xa4/0x110 [ 66.365249][ T4998] cleanup_mnt+0x426/0x4c0 [ 66.369681][ T4998] ? _raw_spin_unlock_irq+0x23/0x50 [ 66.374884][ T4998] task_work_run+0x24a/0x300 [ 66.379480][ T4998] ? kasan_quarantine_put+0xd8/0x230 [ 66.384792][ T4998] ? task_work_cancel+0x2b0/0x2b0 [ 66.389823][ T4998] ? kmem_cache_free+0x297/0x520 [ 66.394768][ T4998] ? do_exit+0x68a/0x2290 [ 66.399198][ T4998] do_exit+0x68f/0x2290 [ 66.403453][ T4998] ? put_task_struct+0x80/0x80 [ 66.408239][ T4998] ? lockdep_hardirqs_on_prepare+0x43c/0x7a0 [ 66.414248][ T4998] ? print_irqtrace_events+0x220/0x220 [ 66.419721][ T4998] ? _raw_spin_unlock_irq+0x23/0x50 [ 66.424945][ T4998] ? lockdep_hardirqs_on+0x98/0x140 [ 66.430169][ T4998] do_group_exit+0x206/0x2c0 [ 66.434774][ T4998] __x64_sys_exit_group+0x3f/0x40 [ 66.439832][ T4998] do_syscall_64+0x41/0xc0 [ 66.444261][ T4998] entry_SYSCALL_64_after_hwframe+0x63/0xcd [ 66.450167][ T4998] RIP: 0033:0x7f696702ea49 [ 66.454599][ T4998] Code: Unable to access opcode bytes at 0x7f696702ea1f. [ 66.461616][ T4998] RSP: 002b:00007ffcc25baa18 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7 [ 66.470057][ T4998] RAX: ffffffffffffffda RBX: 00007f69670a9330 RCX: 00007f696702ea49 [ 66.478033][ T4998] RDX: 000000000000003c RSI: 00000000000000e7 RDI: 0000000000000001 [ 66.486180][ T4998] RBP: 0000000000000001 R08: ffffffffffffffc0 R09: 00007f69670a3e40 [ 66.494154][ T4998] R10: 00007f69670a3e40 R11: 0000000000000246 R12: 00007f69670a9330 [ 66.502129][ T4998] R13: 0000000000000001 R14: 0000000000000000 R15: 0000000000000001 [ 66.510112][ T4998] [ 66.513403][ T4998] Kernel Offset: disabled [ 66.517732][ T4998] Rebooting in 86400 seconds..