./strace-static-x86_64 -e \!wait4,clock_nanosleep,nanosleep -s 100 -x -f ./syz-executor676825372 <...> forked to background, child pid 3182 no interfa[ 18.801961][ T3183] 8021q: adding VLAN 0 to HW filter on device bond0 ces have a carrier [ 18.813834][ T3183] eql: remember to turn off Van-Jacobson compression on your slave devices Starting sshd: OK syzkaller Warning: Permanently added '10.128.0.37' (ECDSA) to the list of known hosts. execve("./syz-executor676825372", ["./syz-executor676825372"], 0x7ffdb29d1910 /* 10 vars */) = 0 brk(NULL) = 0x555556791000 brk(0x555556791c40) = 0x555556791c40 arch_prctl(ARCH_SET_FS, 0x555556791300) = 0 uname({sysname="Linux", nodename="syzkaller", ...}) = 0 readlink("/proc/self/exe", "/root/syz-executor676825372", 4096) = 27 brk(0x5555567b2c40) = 0x5555567b2c40 brk(0x5555567b3000) = 0x5555567b3000 mprotect(0x7f50b238b000, 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 3604 attached , child_tidptr=0x5555567915d0) = 3604 [pid 3604] mount(NULL, "/sys/fs/fuse/connections", "fusectl", 0, NULL) = -1 EBUSY (Device or resource busy) [pid 3604] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 3604] setsid() = 1 [pid 3604] prlimit64(0, RLIMIT_AS, {rlim_cur=204800*1024, rlim_max=204800*1024}, NULL) = 0 [pid 3604] prlimit64(0, RLIMIT_MEMLOCK, {rlim_cur=32768*1024, rlim_max=32768*1024}, NULL) = 0 [pid 3604] prlimit64(0, RLIMIT_FSIZE, {rlim_cur=139264*1024, rlim_max=139264*1024}, NULL) = 0 [pid 3604] prlimit64(0, RLIMIT_STACK, {rlim_cur=1024*1024, rlim_max=1024*1024}, NULL) = 0 [pid 3604] prlimit64(0, RLIMIT_CORE, {rlim_cur=131072*1024, rlim_max=131072*1024}, NULL) = 0 [pid 3604] prlimit64(0, RLIMIT_NOFILE, {rlim_cur=256, rlim_max=256}, NULL) = 0 [pid 3604] unshare(CLONE_NEWNS) = 0 [pid 3604] mount(NULL, "/", NULL, MS_REC|MS_PRIVATE, NULL) = 0 [pid 3604] unshare(CLONE_NEWIPC) = 0 [pid 3604] unshare(CLONE_NEWCGROUP) = 0 [pid 3604] unshare(CLONE_NEWUTS) = 0 [pid 3604] unshare(CLONE_SYSVSEM) = 0 [pid 3604] openat(AT_FDCWD, "/proc/sys/kernel/shmmax", O_WRONLY|O_CLOEXEC) = 3 [pid 3604] write(3, "16777216", 8) = 8 [pid 3604] close(3) = 0 [pid 3604] openat(AT_FDCWD, "/proc/sys/kernel/shmall", O_WRONLY|O_CLOEXEC) = 3 [pid 3604] write(3, "536870912", 9) = 9 [pid 3604] close(3) = 0 [pid 3604] openat(AT_FDCWD, "/proc/sys/kernel/shmmni", O_WRONLY|O_CLOEXEC) = 3 [pid 3604] write(3, "1024", 4) = 4 [pid 3604] close(3) = 0 [pid 3604] openat(AT_FDCWD, "/proc/sys/kernel/msgmax", O_WRONLY|O_CLOEXEC) = 3 [pid 3604] write(3, "8192", 4) = 4 [pid 3604] close(3) = 0 [pid 3604] openat(AT_FDCWD, "/proc/sys/kernel/msgmni", O_WRONLY|O_CLOEXEC) = 3 [pid 3604] write(3, "1024", 4) = 4 [pid 3604] close(3) = 0 [pid 3604] openat(AT_FDCWD, "/proc/sys/kernel/msgmnb", O_WRONLY|O_CLOEXEC) = 3 [pid 3604] write(3, "1024", 4) = 4 [pid 3604] close(3) = 0 [pid 3604] openat(AT_FDCWD, "/proc/sys/kernel/sem", O_WRONLY|O_CLOEXEC) = 3 [pid 3604] write(3, "1024 1048576 500 1024", 21) = 21 [pid 3604] close(3) = 0 [pid 3604] getpid() = 1 [pid 3604] capget({version=_LINUX_CAPABILITY_VERSION_3, pid=1}, {effective=1< [ 36.442733][ T118] dump_stack_lvl+0xcd/0x134 [ 36.447311][ T118] ubsan_epilogue+0xb/0x50 [ 36.451793][ T118] __ubsan_handle_shift_out_of_bounds.cold+0xb1/0x187 [ 36.458539][ T118] ? _raw_spin_unlock_irq+0x2a/0x40 [ 36.463731][ T118] ? __mark_inode_dirty+0x61f/0xfb0 [ 36.468915][ T118] dbUpdatePMap.cold+0x6b/0x70 [ 36.473670][ T118] ? release_metapage+0x507/0xf00 [ 36.478682][ T118] txAllocPMap.isra.0+0x550/0x690 [ 36.483705][ T118] txUpdateMap+0xaa8/0xc50 [ 36.488121][ T118] ? txFreeMap+0xd70/0xd70 [ 36.492522][ T118] ? _raw_spin_lock_irqsave+0x41/0x50 [ 36.497970][ T118] jfs_lazycommit+0x610/0xb70 [ 36.502630][ T118] ? txCommit+0x43a0/0x43a0 [ 36.507110][ T118] ? _raw_spin_unlock_irqrestore+0x50/0x70 [ 36.512898][ T118] ? wake_up_q+0xf0/0xf0 [ 36.517121][ T118] ? __kthread_parkme+0x15f/0x220 [ 36.522129][ T118] ? txCommit+0x43a0/0x43a0 [ 36.526622][ T118] kthread+0x2e4/0x3a0 [ 36.530678][ T118] ? kthread_complete_and_exit+0x40/0x40 [ 36.536299][ T118] ret_from_fork+0x1f/0x30 [ 36.540719][ T118] [ 36.543977][ T118] ================================================================================ [ 36.553956][ T118] Kernel panic - not syncing: panic_on_warn set ... [ 36.560539][ T118] CPU: 0 PID: 118 Comm: jfsCommit Not tainted 6.0.0-syzkaller-09039-ga6afa4199d3d #0 [ 36.570059][ T118] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/22/2022 [ 36.580090][ T118] Call Trace: [ 36.583347][ T118] [ 36.586262][ T118] dump_stack_lvl+0xcd/0x134 [ 36.590838][ T118] panic+0x2c8/0x622 [ 36.594716][ T118] ? panic_print_sys_info.part.0+0x10b/0x10b [ 36.600685][ T118] ? ubsan_epilogue+0x3e/0x50 [ 36.605343][ T118] ubsan_epilogue+0x4a/0x50 [ 36.609826][ T118] __ubsan_handle_shift_out_of_bounds.cold+0xb1/0x187 [ 36.616570][ T118] ? _raw_spin_unlock_irq+0x2a/0x40 [ 36.621747][ T118] ? __mark_inode_dirty+0x61f/0xfb0 [ 36.626928][ T118] dbUpdatePMap.cold+0x6b/0x70 [ 36.631679][ T118] ? release_metapage+0x507/0xf00 [ 36.636688][ T118] txAllocPMap.isra.0+0x550/0x690 [ 36.641694][ T118] txUpdateMap+0xaa8/0xc50 [ 36.646192][ T118] ? txFreeMap+0xd70/0xd70 [ 36.650599][ T118] ? _raw_spin_lock_irqsave+0x41/0x50 [ 36.656139][ T118] jfs_lazycommit+0x610/0xb70 [ 36.661079][ T118] ? txCommit+0x43a0/0x43a0 [ 36.665694][ T118] ? _raw_spin_unlock_irqrestore+0x50/0x70 [ 36.671510][ T118] ? wake_up_q+0xf0/0xf0 [ 36.675751][ T118] ? __kthread_parkme+0x15f/0x220 [ 36.680764][ T118] ? txCommit+0x43a0/0x43a0 [ 36.685281][ T118] kthread+0x2e4/0x3a0 [ 36.689339][ T118] ? kthread_complete_and_exit+0x40/0x40 [ 36.694966][ T118] ret_from_fork+0x1f/0x30 [ 36.699383][ T118] [ 36.702959][ T118] Kernel Offset: disabled [ 36.707266][ T118] Rebooting in 86400 seconds..