./strace-static-x86_64 -e \!wait4,clock_nanosleep,nanosleep -s 100 -x -f ./syz-executor2400409233 <...> forked to background, child pid 3180 no interfaces have a carrier [ 23.637824][ T3181] 8021q: adding VLAN 0 to HW filter on device bond0 [ 23.646601][ T3181] eql: remember to turn off Van-Jacobson compression on your slave devices Starting sshd: OK syzkaller Warning: Permanently added '10.128.0.109' (ECDSA) to the list of known hosts. execve("./syz-executor2400409233", ["./syz-executor2400409233"], 0x7ffd46bb0e00 /* 10 vars */) = 0 brk(NULL) = 0x555555798000 brk(0x555555798c40) = 0x555555798c40 arch_prctl(ARCH_SET_FS, 0x555555798300) = 0 uname({sysname="Linux", nodename="syzkaller", ...}) = 0 readlink("/proc/self/exe", "/root/syz-executor2400409233", 4096) = 28 brk(0x5555557b9c40) = 0x5555557b9c40 brk(0x5555557ba000) = 0x5555557ba000 mprotect(0x7fd09db49000, 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 3610 attached , child_tidptr=0x5555557985d0) = 3610 [pid 3610] mount(NULL, "/sys/fs/fuse/connections", "fusectl", 0, NULL) = -1 EBUSY (Device or resource busy) [pid 3610] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 3610] setsid() = 1 [pid 3610] prlimit64(0, RLIMIT_AS, {rlim_cur=204800*1024, rlim_max=204800*1024}, NULL) = 0 [pid 3610] prlimit64(0, RLIMIT_MEMLOCK, {rlim_cur=32768*1024, rlim_max=32768*1024}, NULL) = 0 [pid 3610] prlimit64(0, RLIMIT_FSIZE, {rlim_cur=139264*1024, rlim_max=139264*1024}, NULL) = 0 [pid 3610] prlimit64(0, RLIMIT_STACK, {rlim_cur=1024*1024, rlim_max=1024*1024}, NULL) = 0 [pid 3610] prlimit64(0, RLIMIT_CORE, {rlim_cur=131072*1024, rlim_max=131072*1024}, NULL) = 0 [pid 3610] prlimit64(0, RLIMIT_NOFILE, {rlim_cur=256, rlim_max=256}, NULL) = 0 [pid 3610] unshare(CLONE_NEWNS) = 0 [pid 3610] mount(NULL, "/", NULL, MS_REC|MS_PRIVATE, NULL) = 0 [pid 3610] unshare(CLONE_NEWIPC) = 0 [pid 3610] unshare(CLONE_NEWCGROUP) = 0 [pid 3610] unshare(CLONE_NEWUTS) = 0 [pid 3610] unshare(CLONE_SYSVSEM) = 0 [pid 3610] openat(AT_FDCWD, "/proc/sys/kernel/shmmax", O_WRONLY|O_CLOEXEC) = 3 [pid 3610] write(3, "16777216", 8) = 8 [pid 3610] close(3) = 0 [pid 3610] openat(AT_FDCWD, "/proc/sys/kernel/shmall", O_WRONLY|O_CLOEXEC) = 3 [pid 3610] write(3, "536870912", 9) = 9 [pid 3610] close(3) = 0 [pid 3610] openat(AT_FDCWD, "/proc/sys/kernel/shmmni", O_WRONLY|O_CLOEXEC) = 3 [pid 3610] write(3, "1024", 4) = 4 [pid 3610] close(3) = 0 [pid 3610] openat(AT_FDCWD, "/proc/sys/kernel/msgmax", O_WRONLY|O_CLOEXEC) = 3 [pid 3610] write(3, "8192", 4) = 4 [pid 3610] close(3) = 0 [pid 3610] openat(AT_FDCWD, "/proc/sys/kernel/msgmni", O_WRONLY|O_CLOEXEC) = 3 [pid 3610] write(3, "1024", 4) = 4 [pid 3610] close(3) = 0 [pid 3610] openat(AT_FDCWD, "/proc/sys/kernel/msgmnb", O_WRONLY|O_CLOEXEC) = 3 [pid 3610] write(3, "1024", 4) = 4 [pid 3610] close(3) = 0 [pid 3610] openat(AT_FDCWD, "/proc/sys/kernel/sem", O_WRONLY|O_CLOEXEC) = 3 [pid 3610] write(3, "1024 1048576 500 1024", 21) = 21 [pid 3610] close(3) = 0 [pid 3610] getpid() = 1 [pid 3610] capget({version=_LINUX_CAPABILITY_VERSION_3, pid=1}, {effective=1< 0b 48 c7 c7 c0 ae 2b 8c e8 7a 73 f0 fe e9 55 fc ff ff e8 70 73 [ 44.620849][ T3610] RSP: 0018:ffffc90003d6fb08 EFLAGS: 00010293 [ 44.626904][ T3610] RAX: 0000000000000000 RBX: ffff888073d7bbb0 RCX: 0000000000000000 [ 44.634870][ T3610] RDX: ffff888023fdba80 RSI: ffffffff82d8ae88 RDI: ffff888073d7bba0 [ 44.642837][ T3610] RBP: ffff888073d7b838 R08: 0000000000000005 R09: 0000000000000000 [ 44.650804][ T3610] R10: 0000000000000000 R11: ffffc90003d6fe10 R12: ffff888073d7bc88 [ 44.658770][ T3610] R13: ffff888073d7bbd8 R14: ffffffff8a097a80 R15: ffff888073d7c6b8 [ 44.666735][ T3610] FS: 0000000000000000(0000) GS:ffff8880b9a00000(0000) knlGS:0000000000000000 [ 44.675666][ T3610] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 44.682246][ T3610] CR2: 00007fd09db501d0 CR3: 000000002761e000 CR4: 00000000003506f0 [ 44.690215][ T3610] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 44.698177][ T3610] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 44.706144][ T3610] Call Trace: [ 44.709416][ T3610] [ 44.712340][ T3610] ? jfs_evict_inode+0x0/0x4a0 [ 44.717111][ T3610] evict+0x2ed/0x6b0 [ 44.721006][ T3610] dispose_list+0x117/0x1e0 [ 44.725509][ T3610] evict_inodes+0x352/0x450 [ 44.730014][ T3610] ? evict_inodes+0x0/0x450 [ 44.734514][ T3610] ? shrink_dcache_for_umount+0x165/0x330 [ 44.740235][ T3610] generic_shutdown_super+0xab/0x410 [ 44.745514][ T3610] kill_block_super+0x97/0xf0 [ 44.750190][ T3610] deactivate_locked_super+0x94/0x160 [ 44.755562][ T3610] deactivate_super+0xad/0xd0 [ 44.760234][ T3610] cleanup_mnt+0x2ae/0x3d0 [ 44.764663][ T3610] task_work_run+0x16b/0x270 [ 44.769261][ T3610] ? task_work_run+0x0/0x270 [ 44.773861][ T3610] do_exit+0xb35/0x29a0 [ 44.778013][ T3610] ? lock_release+0x0/0x810 [ 44.782514][ T3610] ? do_raw_spin_lock+0x120/0x2a0 [ 44.787538][ T3610] ? do_exit+0x0/0x29a0 [ 44.791687][ T3610] ? do_raw_spin_lock+0x0/0x2a0 [ 44.796542][ T3610] do_group_exit+0xd0/0x2a0 [ 44.801045][ T3610] __x64_sys_exit_group+0x3a/0x50 [ 44.806068][ T3610] do_syscall_64+0x35/0xb0 [ 44.810489][ T3610] entry_SYSCALL_64_after_hwframe+0x63/0xcd [ 44.816387][ T3610] RIP: 0033:0x7fd09dacd5a9 [ 44.820798][ T3610] Code: Unable to access opcode bytes at 0x7fd09dacd57f. [ 44.827803][ T3610] RSP: 002b:00007fff53c86748 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7 [ 44.836213][ T3610] RAX: ffffffffffffffda RBX: 00007fd09db4f330 RCX: 00007fd09dacd5a9 [ 44.844198][ T3610] RDX: 000000000000003c RSI: 00000000000000e7 RDI: 0000000000000001 [ 44.852162][ T3610] RBP: 0000000000000001 R08: ffffffffffffffc0 R09: 0000000000000000 [ 44.860128][ T3610] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fd09db4f330 [ 44.868097][ T3610] R13: 0000000000000001 R14: 0000000000000000 R15: 0000000000000001 [ 44.876070][ T3610] [ 44.879082][ T3610] Modules linked in: [ 44.883905][ T3610] ---[ end trace 0000000000000000 ]--- [ 44.889410][ T3610] RIP: 0010:jfs_evict_inode+0x3d8/0x4a0 [ 44.895021][ T3610] Code: 7c 24 80 00 74 0d e8 c7 e6 a3 fe 48 89 df e8 3f 57 02 00 e8 ba e6 a3 fe 48 89 df e8 e2 79 1e ff e9 f4 fc ff ff e8 a8 e6 a3 fe <0f> 0b 48 c7 c7 c0 ae 2b 8c e8 7a 73 f0 fe e9 55 fc ff ff e8 70 73 [ 44.914682][ T3610] RSP: 0018:ffffc90003d6fb08 EFLAGS: 00010293 [ 44.920823][ T3610] RAX: 0000000000000000 RBX: ffff888073d7bbb0 RCX: 0000000000000000 [ 44.928875][ T3610] RDX: ffff888023fdba80 RSI: ffffffff82d8ae88 RDI: ffff888073d7bba0 [ 44.936904][ T3610] RBP: ffff888073d7b838 R08: 0000000000000005 R09: 0000000000000000 [ 44.944896][ T3610] R10: 0000000000000000 R11: ffffc90003d6fe10 R12: ffff888073d7bc88 [ 44.952907][ T3610] R13: ffff888073d7bbd8 R14: ffffffff8a097a80 R15: ffff888073d7c6b8 [ 44.960913][ T3610] FS: 0000000000000000(0000) GS:ffff8880b9a00000(0000) knlGS:0000000000000000 [ 44.969970][ T3610] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 44.976610][ T3610] CR2: 00007fd09db501d0 CR3: 000000002761e000 CR4: 00000000003506f0 [ 44.984579][ T3610] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 44.992585][ T3610] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 45.000623][ T3610] Kernel panic - not syncing: Fatal exception [ 45.006835][ T3610] Kernel Offset: disabled [ 45.011149][ T3610] Rebooting in 86400 seconds..