./strace-static-x86_64 -e \!wait4,clock_nanosleep,nanosleep -s 100 -x -f ./syz-executor3213546843 <...> forked to background, child pid 3184 no interfaces have a carrier [ 22.645910][ T3185] 8021q: adding VLAN 0 to HW filter on device bond0 [ 22.656454][ T3185] eql: remember to turn off Van-Jacobson compression on your slave devices Starting sshd: OK syzkaller Warning: Permanently added '10.128.0.93' (ECDSA) to the list of known hosts. execve("./syz-executor3213546843", ["./syz-executor3213546843"], 0x7ffd0c7ade50 /* 10 vars */) = 0 brk(NULL) = 0x555556f92000 brk(0x555556f92c40) = 0x555556f92c40 arch_prctl(ARCH_SET_FS, 0x555556f92300) = 0 uname({sysname="Linux", nodename="syzkaller", ...}) = 0 readlink("/proc/self/exe", "/root/syz-executor3213546843", 4096) = 28 brk(0x555556fb3c40) = 0x555556fb3c40 brk(0x555556fb4000) = 0x555556fb4000 mprotect(0x7f554eae6000, 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 3606 attached , child_tidptr=0x555556f925d0) = 3606 [pid 3606] mount(NULL, "/sys/fs/fuse/connections", "fusectl", 0, NULL) = -1 EBUSY (Device or resource busy) [pid 3606] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 3606] setsid() = 1 [pid 3606] prlimit64(0, RLIMIT_AS, {rlim_cur=204800*1024, rlim_max=204800*1024}, NULL) = 0 [pid 3606] prlimit64(0, RLIMIT_MEMLOCK, {rlim_cur=32768*1024, rlim_max=32768*1024}, NULL) = 0 [pid 3606] prlimit64(0, RLIMIT_FSIZE, {rlim_cur=139264*1024, rlim_max=139264*1024}, NULL) = 0 [pid 3606] prlimit64(0, RLIMIT_STACK, {rlim_cur=1024*1024, rlim_max=1024*1024}, NULL) = 0 [pid 3606] prlimit64(0, RLIMIT_CORE, {rlim_cur=0, rlim_max=0}, NULL) = 0 [pid 3606] prlimit64(0, RLIMIT_NOFILE, {rlim_cur=256, rlim_max=256}, NULL) = 0 [pid 3606] unshare(CLONE_NEWNS) = 0 [pid 3606] mount(NULL, "/", NULL, MS_REC|MS_PRIVATE, NULL) = 0 [pid 3606] unshare(CLONE_NEWIPC) = 0 [pid 3606] unshare(CLONE_NEWCGROUP) = 0 [pid 3606] unshare(CLONE_NEWUTS) = 0 [pid 3606] unshare(CLONE_SYSVSEM) = 0 [pid 3606] openat(AT_FDCWD, "/proc/sys/kernel/shmmax", O_WRONLY|O_CLOEXEC) = 3 [pid 3606] write(3, "16777216", 8) = 8 [pid 3606] close(3) = 0 [pid 3606] openat(AT_FDCWD, "/proc/sys/kernel/shmall", O_WRONLY|O_CLOEXEC) = 3 [pid 3606] write(3, "536870912", 9) = 9 [pid 3606] close(3) = 0 [pid 3606] openat(AT_FDCWD, "/proc/sys/kernel/shmmni", O_WRONLY|O_CLOEXEC) = 3 [pid 3606] write(3, "1024", 4) = 4 [pid 3606] close(3) = 0 [pid 3606] openat(AT_FDCWD, "/proc/sys/kernel/msgmax", O_WRONLY|O_CLOEXEC) = 3 [pid 3606] write(3, "8192", 4) = 4 [pid 3606] close(3) = 0 [pid 3606] openat(AT_FDCWD, "/proc/sys/kernel/msgmni", O_WRONLY|O_CLOEXEC) = 3 [pid 3606] write(3, "1024", 4) = 4 [pid 3606] close(3) = 0 [pid 3606] openat(AT_FDCWD, "/proc/sys/kernel/msgmnb", O_WRONLY|O_CLOEXEC) = 3 [pid 3606] write(3, "1024", 4) = 4 [pid 3606] close(3) = 0 [pid 3606] openat(AT_FDCWD, "/proc/sys/kernel/sem", O_WRONLY|O_CLOEXEC) = 3 [pid 3606] write(3, "1024 1048576 500 1024", 21) = 21 [pid 3606] close(3) = 0 [pid 3606] getpid() = 1 [pid 3606] capget({version=_LINUX_CAPABILITY_VERSION_3, pid=1}, {effective=1< 0b 48 c7 c7 40 38 4b 8c e8 ba f9 f1 fe e9 55 fc ff ff e8 b0 f9 [ 45.658965][ T3606] RSP: 0018:ffffc9000392fb70 EFLAGS: 00010293 [ 45.665029][ T3606] RAX: 0000000000000000 RBX: ffff888073f9bbb0 RCX: 0000000000000000 [ 45.672989][ T3606] RDX: ffff888076555880 RSI: ffffffff82d674c8 RDI: ffff888073f9bba0 [ 45.681150][ T3606] RBP: ffff888073f9b838 R08: 0000000000000005 R09: 0000000000000000 [ 45.689129][ T3606] R10: 0000000000000000 R11: 0000000000000000 R12: ffff888073f9bc88 [ 45.697181][ T3606] R13: ffff888073f9bbd8 R14: ffffffff8a293040 R15: ffff888073f9c6b8 [ 45.705233][ T3606] FS: 0000000000000000(0000) GS:ffff8880b9b00000(0000) knlGS:0000000000000000 [ 45.714160][ T3606] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 45.721101][ T3606] CR2: 00007f554eaed1d0 CR3: 000000000bc8e000 CR4: 0000000000350ee0 [ 45.729067][ T3606] Call Trace: [ 45.732340][ T3606] [ 45.735261][ T3606] ? jfs_write_inode+0x230/0x230 [ 45.740220][ T3606] evict+0x2ed/0x6b0 [ 45.744112][ T3606] dispose_list+0x117/0x1e0 [ 45.748615][ T3606] evict_inodes+0x352/0x450 [ 45.753110][ T3606] ? dispose_list+0x1e0/0x1e0 [ 45.757782][ T3606] ? shrink_dcache_for_umount+0x165/0x330 [ 45.763928][ T3606] generic_shutdown_super+0xab/0x400 [ 45.769212][ T3606] kill_block_super+0x97/0xf0 [ 45.773881][ T3606] deactivate_locked_super+0x94/0x160 [ 45.779249][ T3606] deactivate_super+0xad/0xd0 [ 45.783921][ T3606] cleanup_mnt+0x2ae/0x3d0 [ 45.788328][ T3606] task_work_run+0xdd/0x1a0 [ 45.792820][ T3606] do_exit+0xad5/0x29b0 [ 45.796973][ T3606] ? mm_update_next_owner+0x7a0/0x7a0 [ 45.802335][ T3606] ? _raw_spin_unlock_irq+0x1f/0x40 [ 45.807546][ T3606] ? _raw_spin_unlock_irq+0x1f/0x40 [ 45.812737][ T3606] do_group_exit+0xd2/0x2f0 [ 45.817235][ T3606] __x64_sys_exit_group+0x3a/0x50 [ 45.822248][ T3606] do_syscall_64+0x35/0xb0 [ 45.826665][ T3606] entry_SYSCALL_64_after_hwframe+0x63/0xcd [ 45.832644][ T3606] RIP: 0033:0x7f554ea6a5a9 [ 45.837325][ T3606] Code: Unable to access opcode bytes at RIP 0x7f554ea6a57f. [ 45.844714][ T3606] RSP: 002b:00007fff2f05ac98 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7 [ 45.853205][ T3606] RAX: ffffffffffffffda RBX: 00007f554eaec330 RCX: 00007f554ea6a5a9 [ 45.861254][ T3606] RDX: 000000000000003c RSI: 00000000000000e7 RDI: 0000000000000001 [ 45.869598][ T3606] RBP: 0000000000000001 R08: ffffffffffffffc0 R09: 0000000000000000 [ 45.877572][ T3606] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f554eaec330 [ 45.885559][ T3606] R13: 0000000000000001 R14: 0000000000000000 R15: 0000000000000001 [ 45.893718][ T3606] [ 45.896726][ T3606] Modules linked in: [ 45.901697][ T3606] ---[ end trace 0000000000000000 ]--- [ 45.907604][ T3606] RIP: 0010:jfs_evict_inode+0x3d8/0x4a0 [ 45.913328][ T3606] Code: 7c 24 80 00 74 0d e8 77 93 a5 fe 48 89 df e8 3f 56 02 00 e8 6a 93 a5 fe 48 89 df e8 32 34 20 ff e9 f4 fc ff ff e8 58 93 a5 fe <0f> 0b 48 c7 c7 40 38 4b 8c e8 ba f9 f1 fe e9 55 fc ff ff e8 b0 f9 [ 45.933721][ T3606] RSP: 0018:ffffc9000392fb70 EFLAGS: 00010293 [ 45.940051][ T3606] RAX: 0000000000000000 RBX: ffff888073f9bbb0 RCX: 0000000000000000 [ 45.949144][ T3606] RDX: ffff888076555880 RSI: ffffffff82d674c8 RDI: ffff888073f9bba0 [ 45.957194][ T3606] RBP: ffff888073f9b838 R08: 0000000000000005 R09: 0000000000000000 [ 45.965323][ T3606] R10: 0000000000000000 R11: 0000000000000000 R12: ffff888073f9bc88 [ 45.973679][ T3606] R13: ffff888073f9bbd8 R14: ffffffff8a293040 R15: ffff888073f9c6b8 [ 45.981652][ T3606] FS: 0000000000000000(0000) GS:ffff8880b9b00000(0000) knlGS:0000000000000000 [ 45.990607][ T3606] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 45.997219][ T3606] CR2: 00007f554eaed1d0 CR3: 0000000026f3e000 CR4: 0000000000350ee0 [ 46.005226][ T3606] Kernel panic - not syncing: Fatal exception [ 46.011963][ T3606] Kernel Offset: disabled [ 46.016276][ T3606] Rebooting in 86400 seconds..