./strace-static-x86_64 -e \!wait4,clock_nanosleep,nanosleep -s 100 -x -f ./syz-executor2249196619 <...> forked to background, child pid 3186 no interfaces have a carrier [ 22.944289][ T3187] 8021q: adding VLAN 0 to HW filter on device bond0 [ 22.955005][ T3187] eql: remember to turn off Van-Jacobson compression on your slave devices Starting sshd: OK syzkaller Warning: Permanently added '10.128.0.139' (ECDSA) to the list of known hosts. execve("./syz-executor2249196619", ["./syz-executor2249196619"], 0x7ffd388c7c70 /* 10 vars */) = 0 brk(NULL) = 0x555555676000 brk(0x555555676c40) = 0x555555676c40 arch_prctl(ARCH_SET_FS, 0x555555676300) = 0 uname({sysname="Linux", nodename="syzkaller", ...}) = 0 readlink("/proc/self/exe", "/root/syz-executor2249196619", 4096) = 28 brk(0x555555697c40) = 0x555555697c40 brk(0x555555698000) = 0x555555698000 mprotect(0x7f2337a36000, 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=0x5555556765d0) = 3609 ./strace-static-x86_64: Process 3609 attached [pid 3609] mount(NULL, "/sys/fs/fuse/connections", "fusectl", 0, NULL) = -1 EBUSY (Device or resource busy) [pid 3609] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 3609] setsid() = 1 [pid 3609] prlimit64(0, RLIMIT_AS, {rlim_cur=204800*1024, rlim_max=204800*1024}, NULL) = 0 [pid 3609] prlimit64(0, RLIMIT_MEMLOCK, {rlim_cur=32768*1024, rlim_max=32768*1024}, NULL) = 0 [pid 3609] prlimit64(0, RLIMIT_FSIZE, {rlim_cur=139264*1024, rlim_max=139264*1024}, NULL) = 0 [pid 3609] prlimit64(0, RLIMIT_STACK, {rlim_cur=1024*1024, rlim_max=1024*1024}, NULL) = 0 [pid 3609] prlimit64(0, RLIMIT_CORE, {rlim_cur=0, rlim_max=0}, NULL) = 0 [pid 3609] prlimit64(0, RLIMIT_NOFILE, {rlim_cur=256, rlim_max=256}, NULL) = 0 [pid 3609] unshare(CLONE_NEWNS) = 0 [pid 3609] mount(NULL, "/", NULL, MS_REC|MS_PRIVATE, NULL) = 0 [pid 3609] unshare(CLONE_NEWIPC) = 0 [pid 3609] unshare(CLONE_NEWCGROUP) = 0 [pid 3609] unshare(CLONE_NEWUTS) = 0 [pid 3609] unshare(CLONE_SYSVSEM) = 0 [pid 3609] openat(AT_FDCWD, "/proc/sys/kernel/shmmax", O_WRONLY|O_CLOEXEC) = 3 [pid 3609] write(3, "16777216", 8) = 8 [pid 3609] close(3) = 0 [pid 3609] openat(AT_FDCWD, "/proc/sys/kernel/shmall", O_WRONLY|O_CLOEXEC) = 3 [pid 3609] write(3, "536870912", 9) = 9 [pid 3609] close(3) = 0 [pid 3609] openat(AT_FDCWD, "/proc/sys/kernel/shmmni", O_WRONLY|O_CLOEXEC) = 3 [pid 3609] write(3, "1024", 4) = 4 [pid 3609] close(3) = 0 [pid 3609] openat(AT_FDCWD, "/proc/sys/kernel/msgmax", O_WRONLY|O_CLOEXEC) = 3 [pid 3609] write(3, "8192", 4) = 4 [pid 3609] close(3) = 0 [pid 3609] openat(AT_FDCWD, "/proc/sys/kernel/msgmni", O_WRONLY|O_CLOEXEC) = 3 [pid 3609] write(3, "1024", 4) = 4 [pid 3609] close(3) = 0 [pid 3609] openat(AT_FDCWD, "/proc/sys/kernel/msgmnb", O_WRONLY|O_CLOEXEC) = 3 [pid 3609] write(3, "1024", 4) = 4 [pid 3609] close(3) = 0 [pid 3609] openat(AT_FDCWD, "/proc/sys/kernel/sem", O_WRONLY|O_CLOEXEC) = 3 [pid 3609] write(3, "1024 1048576 500 1024", 21) = 21 [pid 3609] close(3) = 0 [pid 3609] getpid() = 1 [pid 3609] capget({version=_LINUX_CAPABILITY_VERSION_3, pid=1}, {effective=1< [ 42.891979][ T119] dump_stack_lvl+0xcd/0x134 [ 42.896593][ T119] ubsan_epilogue+0xb/0x50 [ 42.901017][ T119] __ubsan_handle_shift_out_of_bounds.cold+0xb1/0x187 [ 42.907786][ T119] ? wb_queue_work+0x3d4/0x4b0 [ 42.912554][ T119] dbUpdatePMap.cold+0x6b/0x70 [ 42.917348][ T119] ? release_metapage+0x507/0xf00 [ 42.922387][ T119] txAllocPMap.isra.0+0x550/0x690 [ 42.927427][ T119] txUpdateMap+0xaa8/0xc50 [ 42.931847][ T119] ? txFreeMap+0xd70/0xd70 [ 42.936270][ T119] ? _raw_spin_unlock_irqrestore+0x50/0x70 [ 42.942103][ T119] jfs_lazycommit+0x610/0xb70 [ 42.946805][ T119] ? txCommit+0x43a0/0x43a0 [ 42.951660][ T119] ? _raw_spin_unlock_irqrestore+0x50/0x70 [ 42.957495][ T119] ? wake_up_q+0xf0/0xf0 [ 42.961749][ T119] ? __kthread_parkme+0x15f/0x220 [ 42.966787][ T119] ? txCommit+0x43a0/0x43a0 [ 42.971316][ T119] kthread+0x2e4/0x3a0 [ 42.975397][ T119] ? kthread_complete_and_exit+0x40/0x40 [ 42.981087][ T119] ret_from_fork+0x1f/0x30 [ 42.985560][ T119] [ 42.993745][ T119] ================================================================================ [ 43.003162][ T119] Kernel panic - not syncing: panic_on_warn set ... [ 43.009783][ T119] CPU: 1 PID: 119 Comm: jfsCommit Not tainted 6.0.0-syzkaller-06205-gffb39098bf87 #0 [ 43.019236][ T119] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/22/2022 [ 43.029302][ T119] Call Trace: [ 43.032575][ T119] [ 43.035489][ T119] dump_stack_lvl+0xcd/0x134 [ 43.040100][ T119] panic+0x2c8/0x627 [ 43.044075][ T119] ? panic_print_sys_info.part.0+0x10b/0x10b [ 43.050049][ T119] ? ubsan_epilogue+0x3e/0x50 [ 43.054738][ T119] ubsan_epilogue+0x4a/0x50 [ 43.059239][ T119] __ubsan_handle_shift_out_of_bounds.cold+0xb1/0x187 [ 43.066007][ T119] ? wb_queue_work+0x3d4/0x4b0 [ 43.070765][ T119] dbUpdatePMap.cold+0x6b/0x70 [ 43.075530][ T119] ? release_metapage+0x507/0xf00 [ 43.080557][ T119] txAllocPMap.isra.0+0x550/0x690 [ 43.085600][ T119] txUpdateMap+0xaa8/0xc50 [ 43.090046][ T119] ? txFreeMap+0xd70/0xd70 [ 43.094464][ T119] ? _raw_spin_unlock_irqrestore+0x50/0x70 [ 43.100294][ T119] jfs_lazycommit+0x610/0xb70 [ 43.104982][ T119] ? txCommit+0x43a0/0x43a0 [ 43.109476][ T119] ? _raw_spin_unlock_irqrestore+0x50/0x70 [ 43.115313][ T119] ? wake_up_q+0xf0/0xf0 [ 43.119552][ T119] ? __kthread_parkme+0x15f/0x220 [ 43.124577][ T119] ? txCommit+0x43a0/0x43a0 [ 43.129084][ T119] kthread+0x2e4/0x3a0 [ 43.133156][ T119] ? kthread_complete_and_exit+0x40/0x40 [ 43.138783][ T119] ret_from_fork+0x1f/0x30 [ 43.143206][ T119] [ 43.146791][ T119] Kernel Offset: disabled [ 43.151362][ T119] Rebooting in 86400 seconds..