./strace-static-x86_64 -e \!wait4,clock_nanosleep,nanosleep -s 100 -x -f ./syz-executor2956829234 <...> forked to background, child pid 3183 no interfaces have a carrier [ 22.506286][ T3184] 8021q: adding VLAN 0 to HW filter on device bond0 [ 22.516417][ T3184] eql: remember to turn off Van-Jacobson compression on your slave devices Starting sshd: OK syzkaller Warning: Permanently added '10.128.1.107' (ECDSA) to the list of known hosts. execve("./syz-executor2956829234", ["./syz-executor2956829234"], 0x7ffe1a5b1760 /* 10 vars */) = 0 brk(NULL) = 0x55555754b000 brk(0x55555754bc40) = 0x55555754bc40 arch_prctl(ARCH_SET_FS, 0x55555754b300) = 0 uname({sysname="Linux", nodename="syzkaller", ...}) = 0 readlink("/proc/self/exe", "/root/syz-executor2956829234", 4096) = 28 brk(0x55555756cc40) = 0x55555756cc40 brk(0x55555756d000) = 0x55555756d000 mprotect(0x7f48163ee000, 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 3605 attached , child_tidptr=0x55555754b5d0) = 3605 [pid 3605] mount(NULL, "/sys/fs/fuse/connections", "fusectl", 0, NULL) = -1 EBUSY (Device or resource busy) [pid 3605] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 3605] setsid() = 1 [pid 3605] prlimit64(0, RLIMIT_AS, {rlim_cur=204800*1024, rlim_max=204800*1024}, NULL) = 0 [pid 3605] prlimit64(0, RLIMIT_MEMLOCK, {rlim_cur=32768*1024, rlim_max=32768*1024}, NULL) = 0 [pid 3605] prlimit64(0, RLIMIT_FSIZE, {rlim_cur=139264*1024, rlim_max=139264*1024}, NULL) = 0 [pid 3605] prlimit64(0, RLIMIT_STACK, {rlim_cur=1024*1024, rlim_max=1024*1024}, NULL) = 0 [pid 3605] prlimit64(0, RLIMIT_CORE, {rlim_cur=0, rlim_max=0}, NULL) = 0 [pid 3605] prlimit64(0, RLIMIT_NOFILE, {rlim_cur=256, rlim_max=256}, NULL) = 0 [pid 3605] unshare(CLONE_NEWNS) = 0 [pid 3605] mount(NULL, "/", NULL, MS_REC|MS_PRIVATE, NULL) = 0 [pid 3605] unshare(CLONE_NEWIPC) = 0 [pid 3605] unshare(CLONE_NEWCGROUP) = 0 [pid 3605] unshare(CLONE_NEWUTS) = 0 [pid 3605] unshare(CLONE_SYSVSEM) = 0 [pid 3605] openat(AT_FDCWD, "/proc/sys/kernel/shmmax", O_WRONLY|O_CLOEXEC) = 3 [pid 3605] write(3, "16777216", 8) = 8 [pid 3605] close(3) = 0 [pid 3605] openat(AT_FDCWD, "/proc/sys/kernel/shmall", O_WRONLY|O_CLOEXEC) = 3 [pid 3605] write(3, "536870912", 9) = 9 [pid 3605] close(3) = 0 [pid 3605] openat(AT_FDCWD, "/proc/sys/kernel/shmmni", O_WRONLY|O_CLOEXEC) = 3 [pid 3605] write(3, "1024", 4) = 4 [pid 3605] close(3) = 0 [pid 3605] openat(AT_FDCWD, "/proc/sys/kernel/msgmax", O_WRONLY|O_CLOEXEC) = 3 [pid 3605] write(3, "8192", 4) = 4 [pid 3605] close(3) = 0 [pid 3605] openat(AT_FDCWD, "/proc/sys/kernel/msgmni", O_WRONLY|O_CLOEXEC) = 3 [pid 3605] write(3, "1024", 4) = 4 [pid 3605] close(3) = 0 [pid 3605] openat(AT_FDCWD, "/proc/sys/kernel/msgmnb", O_WRONLY|O_CLOEXEC) = 3 [pid 3605] write(3, "1024", 4) = 4 [pid 3605] close(3) = 0 [pid 3605] openat(AT_FDCWD, "/proc/sys/kernel/sem", O_WRONLY|O_CLOEXEC) = 3 [pid 3605] write(3, "1024 1048576 500 1024", 21) = 21 [pid 3605] close(3) = 0 [pid 3605] getpid() = 1 [pid 3605] capget({version=_LINUX_CAPABILITY_VERSION_3, pid=1}, {effective=1< [ 45.258334][ T120] dump_stack_lvl+0xcd/0x134 [ 45.262939][ T120] ubsan_epilogue+0xb/0x50 [ 45.267350][ T120] __ubsan_handle_shift_out_of_bounds.cold+0xb1/0x187 [ 45.274106][ T120] ? _raw_spin_unlock_irq+0x2a/0x40 [ 45.279293][ T120] ? inode_sleep_on_writeback+0x114/0x180 [ 45.285005][ T120] dbUpdatePMap.cold+0x6b/0x70 [ 45.289759][ T120] ? release_metapage+0x507/0xf00 [ 45.294776][ T120] txAllocPMap.isra.0+0x550/0x690 [ 45.299791][ T120] txUpdateMap+0xaa8/0xc50 [ 45.304194][ T120] ? txFreeMap+0xd70/0xd70 [ 45.308611][ T120] ? _raw_spin_unlock_irqrestore+0x50/0x70 [ 45.314430][ T120] jfs_lazycommit+0x610/0xb70 [ 45.319106][ T120] ? txCommit+0x43a0/0x43a0 [ 45.323590][ T120] ? _raw_spin_unlock_irqrestore+0x50/0x70 [ 45.329381][ T120] ? wake_up_q+0xf0/0xf0 [ 45.333611][ T120] ? __kthread_parkme+0x15f/0x220 [ 45.338616][ T120] ? txCommit+0x43a0/0x43a0 [ 45.343113][ T120] kthread+0x2e4/0x3a0 [ 45.347174][ T120] ? kthread_complete_and_exit+0x40/0x40 [ 45.352805][ T120] ret_from_fork+0x1f/0x30 [ 45.357229][ T120] [ 45.364439][ T120] ================================================================================ [ 45.373826][ T120] Kernel panic - not syncing: panic_on_warn set ... [ 45.380432][ T120] CPU: 0 PID: 120 Comm: jfsCommit Not tainted 6.0.0-rc7-syzkaller-00220-gffb4d94b4314 #0 [ 45.390261][ T120] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/22/2022 [ 45.400333][ T120] Call Trace: [ 45.403606][ T120] [ 45.406531][ T120] dump_stack_lvl+0xcd/0x134 [ 45.411128][ T120] panic+0x2c8/0x627 [ 45.415018][ T120] ? panic_print_sys_info.part.0+0x10b/0x10b [ 45.421018][ T120] ? ubsan_epilogue+0x3e/0x50 [ 45.425696][ T120] ubsan_epilogue+0x4a/0x50 [ 45.430195][ T120] __ubsan_handle_shift_out_of_bounds.cold+0xb1/0x187 [ 45.436956][ T120] ? _raw_spin_unlock_irq+0x2a/0x40 [ 45.442147][ T120] ? inode_sleep_on_writeback+0x114/0x180 [ 45.447875][ T120] dbUpdatePMap.cold+0x6b/0x70 [ 45.452646][ T120] ? release_metapage+0x507/0xf00 [ 45.457677][ T120] txAllocPMap.isra.0+0x550/0x690 [ 45.462703][ T120] txUpdateMap+0xaa8/0xc50 [ 45.467120][ T120] ? txFreeMap+0xd70/0xd70 [ 45.471531][ T120] ? _raw_spin_unlock_irqrestore+0x50/0x70 [ 45.477331][ T120] jfs_lazycommit+0x610/0xb70 [ 45.482009][ T120] ? txCommit+0x43a0/0x43a0 [ 45.486508][ T120] ? _raw_spin_unlock_irqrestore+0x50/0x70 [ 45.492307][ T120] ? wake_up_q+0xf0/0xf0 [ 45.496545][ T120] ? __kthread_parkme+0x15f/0x220 [ 45.501578][ T120] ? txCommit+0x43a0/0x43a0 [ 45.506079][ T120] kthread+0x2e4/0x3a0 [ 45.510141][ T120] ? kthread_complete_and_exit+0x40/0x40 [ 45.515775][ T120] ret_from_fork+0x1f/0x30 [ 45.520200][ T120] [ 45.523922][ T120] Kernel Offset: disabled [ 45.528296][ T120] Rebooting in 86400 seconds..