./strace-static-x86_64 -e \!wait4,clock_nanosleep,nanosleep -s 100 -x -f ./syz-executor3997782811 <...> forked to background, child pid 3182 no interfaces have a carrier [ 18.388470][ T3183] 8021q: adding VLAN 0 to HW filter on device bond0 [ 18.397354][ T3183] eql: remember to turn off Van-Jacobson compression on your slave devices Starting sshd: OK syzkaller Warning: Permanently added '10.128.0.218' (ECDSA) to the list of known hosts. execve("./syz-executor3997782811", ["./syz-executor3997782811"], 0x7ffc4acc53e0 /* 10 vars */) = 0 brk(NULL) = 0x555555c3b000 brk(0x555555c3bc40) = 0x555555c3bc40 arch_prctl(ARCH_SET_FS, 0x555555c3b300) = 0 uname({sysname="Linux", nodename="syzkaller", ...}) = 0 readlink("/proc/self/exe", "/root/syz-executor3997782811", 4096) = 28 brk(0x555555c5cc40) = 0x555555c5cc40 brk(0x555555c5d000) = 0x555555c5d000 mprotect(0x7f4a69b38000, 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 3612 attached , child_tidptr=0x555555c3b5d0) = 3612 [pid 3612] mount(NULL, "/sys/fs/fuse/connections", "fusectl", 0, NULL) = -1 EBUSY (Device or resource busy) [pid 3612] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 3612] setsid() = 1 [pid 3612] prlimit64(0, RLIMIT_AS, {rlim_cur=204800*1024, rlim_max=204800*1024}, NULL) = 0 [pid 3612] prlimit64(0, RLIMIT_MEMLOCK, {rlim_cur=32768*1024, rlim_max=32768*1024}, NULL) = 0 [pid 3612] prlimit64(0, RLIMIT_FSIZE, {rlim_cur=139264*1024, rlim_max=139264*1024}, NULL) = 0 [pid 3612] prlimit64(0, RLIMIT_STACK, {rlim_cur=1024*1024, rlim_max=1024*1024}, NULL) = 0 [pid 3612] prlimit64(0, RLIMIT_CORE, {rlim_cur=131072*1024, rlim_max=131072*1024}, NULL) = 0 [pid 3612] prlimit64(0, RLIMIT_NOFILE, {rlim_cur=256, rlim_max=256}, NULL) = 0 [pid 3612] unshare(CLONE_NEWNS) = 0 [pid 3612] mount(NULL, "/", NULL, MS_REC|MS_PRIVATE, NULL) = 0 [pid 3612] unshare(CLONE_NEWIPC) = 0 [pid 3612] unshare(CLONE_NEWCGROUP) = 0 [pid 3612] unshare(CLONE_NEWUTS) = 0 [pid 3612] unshare(CLONE_SYSVSEM) = 0 [pid 3612] openat(AT_FDCWD, "/proc/sys/kernel/shmmax", O_WRONLY|O_CLOEXEC) = 3 [pid 3612] write(3, "16777216", 8) = 8 [pid 3612] close(3) = 0 [pid 3612] openat(AT_FDCWD, "/proc/sys/kernel/shmall", O_WRONLY|O_CLOEXEC) = 3 [pid 3612] write(3, "536870912", 9) = 9 [pid 3612] close(3) = 0 [pid 3612] openat(AT_FDCWD, "/proc/sys/kernel/shmmni", O_WRONLY|O_CLOEXEC) = 3 [pid 3612] write(3, "1024", 4) = 4 [pid 3612] close(3) = 0 [pid 3612] openat(AT_FDCWD, "/proc/sys/kernel/msgmax", O_WRONLY|O_CLOEXEC) = 3 [pid 3612] write(3, "8192", 4) = 4 [pid 3612] close(3) = 0 [pid 3612] openat(AT_FDCWD, "/proc/sys/kernel/msgmni", O_WRONLY|O_CLOEXEC) = 3 [pid 3612] write(3, "1024", 4) = 4 [pid 3612] close(3) = 0 [pid 3612] openat(AT_FDCWD, "/proc/sys/kernel/msgmnb", O_WRONLY|O_CLOEXEC) = 3 [pid 3612] write(3, "1024", 4) = 4 [pid 3612] close(3) = 0 [pid 3612] openat(AT_FDCWD, "/proc/sys/kernel/sem", O_WRONLY|O_CLOEXEC) = 3 [pid 3612] write(3, "1024 1048576 500 1024", 21) = 21 [pid 3612] close(3) = 0 [pid 3612] getpid() = 1 [pid 3612] capget({version=_LINUX_CAPABILITY_VERSION_3, pid=1}, {effective=1< [ 37.877178][ T120] dump_stack_lvl+0xcd/0x134 [ 37.881756][ T120] ubsan_epilogue+0xb/0x50 [ 37.886165][ T120] __ubsan_handle_shift_out_of_bounds.cold+0xb1/0x187 [ 37.892939][ T120] ? _raw_spin_unlock_irq+0x2a/0x40 [ 37.898125][ T120] ? __mark_inode_dirty+0x61f/0xfb0 [ 37.903314][ T120] dbUpdatePMap.cold+0x6b/0x70 [ 37.908074][ T120] ? release_metapage+0x507/0xf00 [ 37.913094][ T120] txAllocPMap.isra.0+0x550/0x690 [ 37.918110][ T120] txUpdateMap+0xaa8/0xc50 [ 37.922518][ T120] ? txFreeMap+0xd70/0xd70 [ 37.926923][ T120] ? _raw_spin_lock_irqsave+0x41/0x50 [ 37.932291][ T120] jfs_lazycommit+0x610/0xb70 [ 37.937048][ T120] ? txCommit+0x43a0/0x43a0 [ 37.941543][ T120] ? _raw_spin_unlock_irqrestore+0x50/0x70 [ 37.947338][ T120] ? wake_up_q+0xf0/0xf0 [ 37.951570][ T120] ? __kthread_parkme+0x15f/0x220 [ 37.956583][ T120] ? txCommit+0x43a0/0x43a0 [ 37.961076][ T120] kthread+0x2e4/0x3a0 [ 37.965133][ T120] ? kthread_complete_and_exit+0x40/0x40 [ 37.970754][ T120] ret_from_fork+0x1f/0x30 [ 37.975169][ T120] [ 37.978480][ T120] ================================================================================ [ 37.988113][ T120] Kernel panic - not syncing: panic_on_warn set ... [ 37.994696][ T120] CPU: 0 PID: 120 Comm: jfsCommit Not tainted 6.0.0-syzkaller-09039-ga6afa4199d3d #0 [ 38.004138][ T120] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/22/2022 [ 38.014179][ T120] Call Trace: [ 38.017446][ T120] [ 38.020364][ T120] dump_stack_lvl+0xcd/0x134 [ 38.024950][ T120] panic+0x2c8/0x622 [ 38.028840][ T120] ? panic_print_sys_info.part.0+0x10b/0x10b [ 38.034820][ T120] ? ubsan_epilogue+0x3e/0x50 [ 38.039486][ T120] ubsan_epilogue+0x4a/0x50 [ 38.043975][ T120] __ubsan_handle_shift_out_of_bounds.cold+0xb1/0x187 [ 38.050729][ T120] ? _raw_spin_unlock_irq+0x2a/0x40 [ 38.055918][ T120] ? __mark_inode_dirty+0x61f/0xfb0 [ 38.061110][ T120] dbUpdatePMap.cold+0x6b/0x70 [ 38.065875][ T120] ? release_metapage+0x507/0xf00 [ 38.070896][ T120] txAllocPMap.isra.0+0x550/0x690 [ 38.075918][ T120] txUpdateMap+0xaa8/0xc50 [ 38.080354][ T120] ? txFreeMap+0xd70/0xd70 [ 38.084764][ T120] ? _raw_spin_lock_irqsave+0x41/0x50 [ 38.090124][ T120] jfs_lazycommit+0x610/0xb70 [ 38.094883][ T120] ? txCommit+0x43a0/0x43a0 [ 38.099379][ T120] ? _raw_spin_unlock_irqrestore+0x50/0x70 [ 38.105175][ T120] ? wake_up_q+0xf0/0xf0 [ 38.109408][ T120] ? __kthread_parkme+0x15f/0x220 [ 38.114421][ T120] ? txCommit+0x43a0/0x43a0 [ 38.118914][ T120] kthread+0x2e4/0x3a0 [ 38.122977][ T120] ? kthread_complete_and_exit+0x40/0x40 [ 38.128598][ T120] ret_from_fork+0x1f/0x30 [ 38.133016][ T120] [ 38.136911][ T120] Kernel Offset: disabled [ 38.141223][ T120] Rebooting in 86400 seconds..