./strace-static-x86_64 -e \!wait4,clock_nanosleep,nanosleep -s 100 -x -f ./syz-executor603424579 <...> DUID 00:04:7b:a2:e0:73:6b:5f:a9:8e:d4:f6:53:82:b5:31:a7:5e forked to background, child pid 3210 [ 29.056305][ T3211] 8021q: adding VLAN 0 to HW filter on device bond0 [ 29.067159][ T3211] eql: remember to turn off Van-Jacobson compression on your slave devices Starting sshd: OK syzkaller Warning: Permanently added '10.128.15.208' (ECDSA) to the list of known hosts. execve("./syz-executor603424579", ["./syz-executor603424579"], 0x7ffda00c93a0 /* 10 vars */) = 0 brk(NULL) = 0x5555573e0000 brk(0x5555573e0c40) = 0x5555573e0c40 arch_prctl(ARCH_SET_FS, 0x5555573e0300) = 0 uname({sysname="Linux", nodename="syzkaller", ...}) = 0 readlink("/proc/self/exe", "/root/syz-executor603424579", 4096) = 27 brk(0x555557401c40) = 0x555557401c40 brk(0x555557402000) = 0x555557402000 mprotect(0x7f745e1ff000, 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 3632 attached , child_tidptr=0x5555573e05d0) = 3632 [pid 3632] mount(NULL, "/sys/fs/fuse/connections", "fusectl", 0, NULL) = -1 EBUSY (Device or resource busy) [pid 3632] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 3632] setsid() = 1 [pid 3632] prlimit64(0, RLIMIT_AS, {rlim_cur=204800*1024, rlim_max=204800*1024}, NULL) = 0 [pid 3632] prlimit64(0, RLIMIT_MEMLOCK, {rlim_cur=32768*1024, rlim_max=32768*1024}, NULL) = 0 [pid 3632] prlimit64(0, RLIMIT_FSIZE, {rlim_cur=139264*1024, rlim_max=139264*1024}, NULL) = 0 [pid 3632] prlimit64(0, RLIMIT_STACK, {rlim_cur=1024*1024, rlim_max=1024*1024}, NULL) = 0 [pid 3632] prlimit64(0, RLIMIT_CORE, {rlim_cur=131072*1024, rlim_max=131072*1024}, NULL) = 0 [pid 3632] prlimit64(0, RLIMIT_NOFILE, {rlim_cur=256, rlim_max=256}, NULL) = 0 [pid 3632] unshare(CLONE_NEWNS) = 0 [pid 3632] mount(NULL, "/", NULL, MS_REC|MS_PRIVATE, NULL) = 0 [pid 3632] unshare(CLONE_NEWIPC) = 0 [pid 3632] unshare(CLONE_NEWCGROUP) = 0 [pid 3632] unshare(CLONE_NEWUTS) = 0 [pid 3632] unshare(CLONE_SYSVSEM) = 0 [pid 3632] openat(AT_FDCWD, "/proc/sys/kernel/shmmax", O_WRONLY|O_CLOEXEC) = 3 [pid 3632] write(3, "16777216", 8) = 8 [pid 3632] close(3) = 0 [pid 3632] openat(AT_FDCWD, "/proc/sys/kernel/shmall", O_WRONLY|O_CLOEXEC) = 3 [pid 3632] write(3, "536870912", 9) = 9 [pid 3632] close(3) = 0 [pid 3632] openat(AT_FDCWD, "/proc/sys/kernel/shmmni", O_WRONLY|O_CLOEXEC) = 3 [pid 3632] write(3, "1024", 4) = 4 [pid 3632] close(3) = 0 [pid 3632] openat(AT_FDCWD, "/proc/sys/kernel/msgmax", O_WRONLY|O_CLOEXEC) = 3 [pid 3632] write(3, "8192", 4) = 4 [pid 3632] close(3) = 0 [pid 3632] openat(AT_FDCWD, "/proc/sys/kernel/msgmni", O_WRONLY|O_CLOEXEC) = 3 [pid 3632] write(3, "1024", 4) = 4 [pid 3632] close(3) = 0 [pid 3632] openat(AT_FDCWD, "/proc/sys/kernel/msgmnb", O_WRONLY|O_CLOEXEC) = 3 [pid 3632] write(3, "1024", 4) = 4 [pid 3632] close(3) = 0 [pid 3632] openat(AT_FDCWD, "/proc/sys/kernel/sem", O_WRONLY|O_CLOEXEC) = 3 [pid 3632] write(3, "1024 1048576 500 1024", 21) = 21 [pid 3632] close(3) = 0 [pid 3632] getpid() = 1 [pid 3632] capget({version=_LINUX_CAPABILITY_VERSION_3, pid=1}, {effective=1< [ 53.547678][ T3632] dump_stack_lvl+0x1b1/0x28e [ 53.552360][ T3632] ? nf_tcp_handle_invalid+0x62e/0x62e [ 53.557806][ T3632] ? panic+0x710/0x710 [ 53.561867][ T3632] ? _printk+0xc0/0x100 [ 53.566011][ T3632] ? _raw_spin_lock_irqsave+0x8e/0x100 [ 53.571469][ T3632] print_report+0xed/0x1f0 [ 53.575872][ T3632] ? __virt_addr_valid+0x54/0x2d0 [ 53.580888][ T3632] ? do_journal_end+0x155f/0x4a30 [ 53.585899][ T3632] kasan_report+0xcd/0x100 [ 53.590307][ T3632] ? do_journal_end+0x155f/0x4a30 [ 53.595320][ T3632] kasan_check_range+0x2a7/0x2e0 [ 53.600260][ T3632] do_journal_end+0x155f/0x4a30 [ 53.605125][ T3632] ? journal_join_abort+0xe0/0xe0 [ 53.610139][ T3632] ? journal_mark_dirty+0xe00/0xe00 [ 53.615348][ T3632] ? dqput+0x810/0x810 [ 53.619414][ T3632] ? journal_end_sync+0x10c/0x1e0 [ 53.624427][ T3632] reiserfs_sync_fs+0xbb/0x130 [ 53.629182][ T3632] ? handle_attrs+0x1f0/0x1f0 [ 53.633851][ T3632] sync_filesystem+0xe8/0x220 [ 53.638523][ T3632] generic_shutdown_super+0x6b/0x310 [ 53.643801][ T3632] kill_block_super+0x79/0xd0 [ 53.648477][ T3632] deactivate_locked_super+0xa7/0xf0 [ 53.653784][ T3632] cleanup_mnt+0x494/0x520 [ 53.658202][ T3632] ? lockdep_hardirqs_on+0x8d/0x130 [ 53.663398][ T3632] task_work_run+0x243/0x300 [ 53.668002][ T3632] ? task_work_cancel+0x290/0x290 [ 53.673030][ T3632] ? do_exit+0x65f/0x2070 [ 53.677356][ T3632] do_exit+0x664/0x2070 [ 53.681507][ T3632] ? lockdep_hardirqs_on_prepare+0x428/0x790 [ 53.687475][ T3632] ? mm_update_next_owner+0x6d0/0x6d0 [ 53.692837][ T3632] ? print_irqtrace_events+0x220/0x220 [ 53.698289][ T3632] ? _raw_spin_unlock_irq+0x1f/0x40 [ 53.703483][ T3632] ? lockdep_hardirqs_on+0x8d/0x130 [ 53.708673][ T3632] do_group_exit+0x1fd/0x2b0 [ 53.713257][ T3632] __x64_sys_exit_group+0x3b/0x40 [ 53.718275][ T3632] do_syscall_64+0x3d/0xb0 [ 53.722688][ T3632] entry_SYSCALL_64_after_hwframe+0x63/0xcd [ 53.728572][ T3632] RIP: 0033:0x7f745e18eac9 [ 53.732973][ T3632] Code: Unable to access opcode bytes at 0x7f745e18ea9f. [ 53.739975][ T3632] RSP: 002b:00007ffd72d53218 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7 [ 53.748375][ T3632] RAX: ffffffffffffffda RBX: 00007f745e205350 RCX: 00007f745e18eac9 [ 53.756332][ T3632] RDX: 000000000000003c RSI: 00000000000000e7 RDI: 0000000000000001 [ 53.764290][ T3632] RBP: 0000000000000001 R08: ffffffffffffffc0 R09: 00007f745e1ffe40 [ 53.772246][ T3632] R10: 000080001d00c0d0 R11: 0000000000000246 R12: 00007f745e205350 [ 53.780203][ T3632] R13: 0000000000000001 R14: 0000000000000000 R15: 0000000000000001 [ 53.788166][ T3632] [ 53.791864][ T3632] ================================================================== [ 53.805947][ T3632] Kernel panic - not syncing: panic_on_warn set ... [ 53.812533][ T3632] CPU: 0 PID: 3632 Comm: syz-executor603 Not tainted 6.1.0-rc7-syzkaller-00101-g01f856ae6d0c #0 [ 53.822926][ T3632] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/26/2022 [ 53.832960][ T3632] Call Trace: [ 53.836227][ T3632] [ 53.839137][ T3632] dump_stack_lvl+0x1b1/0x28e [ 53.843800][ T3632] ? nf_tcp_handle_invalid+0x62e/0x62e [ 53.849238][ T3632] ? panic+0x710/0x710 [ 53.853286][ T3632] ? preempt_schedule_common+0xb7/0xe0 [ 53.858729][ T3632] ? vscnprintf+0x59/0x80 [ 53.863037][ T3632] panic+0x2d6/0x710 [ 53.866913][ T3632] ? memcpy_page_flushcache+0xfc/0xfc [ 53.872267][ T3632] ? _raw_spin_unlock_irqrestore+0x110/0x120 [ 53.878232][ T3632] ? print_report+0xed/0x1f0 [ 53.882800][ T3632] ? __virt_addr_valid+0x54/0x2d0 [ 53.887806][ T3632] ? do_journal_end+0x155f/0x4a30 [ 53.892807][ T3632] end_report+0x91/0xa0 [ 53.896941][ T3632] kasan_report+0xda/0x100 [ 53.901336][ T3632] ? do_journal_end+0x155f/0x4a30 [ 53.906343][ T3632] kasan_check_range+0x2a7/0x2e0 [ 53.911270][ T3632] do_journal_end+0x155f/0x4a30 [ 53.916121][ T3632] ? journal_join_abort+0xe0/0xe0 [ 53.921130][ T3632] ? journal_mark_dirty+0xe00/0xe00 [ 53.926316][ T3632] ? dqput+0x810/0x810 [ 53.930375][ T3632] ? journal_end_sync+0x10c/0x1e0 [ 53.935385][ T3632] reiserfs_sync_fs+0xbb/0x130 [ 53.940139][ T3632] ? handle_attrs+0x1f0/0x1f0 [ 53.944811][ T3632] sync_filesystem+0xe8/0x220 [ 53.949481][ T3632] generic_shutdown_super+0x6b/0x310 [ 53.954754][ T3632] kill_block_super+0x79/0xd0 [ 53.959416][ T3632] deactivate_locked_super+0xa7/0xf0 [ 53.964690][ T3632] cleanup_mnt+0x494/0x520 [ 53.969097][ T3632] ? lockdep_hardirqs_on+0x8d/0x130 [ 53.974288][ T3632] task_work_run+0x243/0x300 [ 53.978876][ T3632] ? task_work_cancel+0x290/0x290 [ 53.983890][ T3632] ? do_exit+0x65f/0x2070 [ 53.988215][ T3632] do_exit+0x664/0x2070 [ 53.992367][ T3632] ? lockdep_hardirqs_on_prepare+0x428/0x790 [ 53.998336][ T3632] ? mm_update_next_owner+0x6d0/0x6d0 [ 54.003705][ T3632] ? print_irqtrace_events+0x220/0x220 [ 54.009154][ T3632] ? _raw_spin_unlock_irq+0x1f/0x40 [ 54.014344][ T3632] ? lockdep_hardirqs_on+0x8d/0x130 [ 54.019531][ T3632] do_group_exit+0x1fd/0x2b0 [ 54.024128][ T3632] __x64_sys_exit_group+0x3b/0x40 [ 54.029141][ T3632] do_syscall_64+0x3d/0xb0 [ 54.033547][ T3632] entry_SYSCALL_64_after_hwframe+0x63/0xcd [ 54.039426][ T3632] RIP: 0033:0x7f745e18eac9 [ 54.043825][ T3632] Code: Unable to access opcode bytes at 0x7f745e18ea9f. [ 54.050826][ T3632] RSP: 002b:00007ffd72d53218 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7 [ 54.059230][ T3632] RAX: ffffffffffffffda RBX: 00007f745e205350 RCX: 00007f745e18eac9 [ 54.067191][ T3632] RDX: 000000000000003c RSI: 00000000000000e7 RDI: 0000000000000001 [ 54.075147][ T3632] RBP: 0000000000000001 R08: ffffffffffffffc0 R09: 00007f745e1ffe40 [ 54.083105][ T3632] R10: 000080001d00c0d0 R11: 0000000000000246 R12: 00007f745e205350 [ 54.091063][ T3632] R13: 0000000000000001 R14: 0000000000000000 R15: 0000000000000001 [ 54.099028][ T3632] [ 54.102179][ T3632] Kernel Offset: disabled [ 54.106493][ T3632] Rebooting in 86400 seconds..