./strace-static-x86_64 -e \!wait4,clock_nanosleep,nanosleep -s 100 -x -f ./syz-executor2330029566 <...> forked to background, child pid 3185 no interfaces have a carrier [ 24.851433][ T3186] 8021q: adding VLAN 0 to HW filter on device bond0 [ 24.861623][ T3186] eql: remember to turn off Van-Jacobson compression on your slave devices Starting sshd: OK syzkaller Warning: Permanently added '10.128.0.141' (ECDSA) to the list of known hosts. execve("./syz-executor2330029566", ["./syz-executor2330029566"], 0x7ffe928fb380 /* 10 vars */) = 0 brk(NULL) = 0x5555570fa000 brk(0x5555570fac40) = 0x5555570fac40 arch_prctl(ARCH_SET_FS, 0x5555570fa300) = 0 uname({sysname="Linux", nodename="syzkaller", ...}) = 0 readlink("/proc/self/exe", "/root/syz-executor2330029566", 4096) = 28 brk(0x55555711bc40) = 0x55555711bc40 brk(0x55555711c000) = 0x55555711c000 mprotect(0x7fcf9b8ec000, 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 3615 attached , child_tidptr=0x5555570fa5d0) = 3615 [pid 3615] mount(NULL, "/sys/fs/fuse/connections", "fusectl", 0, NULL) = -1 EBUSY (Device or resource busy) [pid 3615] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 3615] setsid() = 1 [pid 3615] prlimit64(0, RLIMIT_AS, {rlim_cur=204800*1024, rlim_max=204800*1024}, NULL) = 0 [pid 3615] prlimit64(0, RLIMIT_MEMLOCK, {rlim_cur=32768*1024, rlim_max=32768*1024}, NULL) = 0 [pid 3615] prlimit64(0, RLIMIT_FSIZE, {rlim_cur=139264*1024, rlim_max=139264*1024}, NULL) = 0 [pid 3615] prlimit64(0, RLIMIT_STACK, {rlim_cur=1024*1024, rlim_max=1024*1024}, NULL) = 0 [pid 3615] prlimit64(0, RLIMIT_CORE, {rlim_cur=0, rlim_max=0}, NULL) = 0 [pid 3615] prlimit64(0, RLIMIT_NOFILE, {rlim_cur=256, rlim_max=256}, NULL) = 0 [pid 3615] unshare(CLONE_NEWNS) = 0 [pid 3615] mount(NULL, "/", NULL, MS_REC|MS_PRIVATE, NULL) = 0 [pid 3615] unshare(CLONE_NEWIPC) = 0 [pid 3615] unshare(CLONE_NEWCGROUP) = 0 [pid 3615] unshare(CLONE_NEWUTS) = 0 [pid 3615] unshare(CLONE_SYSVSEM) = 0 [pid 3615] openat(AT_FDCWD, "/proc/sys/kernel/shmmax", O_WRONLY|O_CLOEXEC) = 3 [pid 3615] write(3, "16777216", 8) = 8 [pid 3615] close(3) = 0 [pid 3615] openat(AT_FDCWD, "/proc/sys/kernel/shmall", O_WRONLY|O_CLOEXEC) = 3 [pid 3615] write(3, "536870912", 9) = 9 [pid 3615] close(3) = 0 [pid 3615] openat(AT_FDCWD, "/proc/sys/kernel/shmmni", O_WRONLY|O_CLOEXEC) = 3 [pid 3615] write(3, "1024", 4) = 4 [pid 3615] close(3) = 0 [pid 3615] openat(AT_FDCWD, "/proc/sys/kernel/msgmax", O_WRONLY|O_CLOEXEC) = 3 [pid 3615] write(3, "8192", 4) = 4 [pid 3615] close(3) = 0 [pid 3615] openat(AT_FDCWD, "/proc/sys/kernel/msgmni", O_WRONLY|O_CLOEXEC) = 3 [pid 3615] write(3, "1024", 4) = 4 [pid 3615] close(3) = 0 [pid 3615] openat(AT_FDCWD, "/proc/sys/kernel/msgmnb", O_WRONLY|O_CLOEXEC) = 3 [pid 3615] write(3, "1024", 4) = 4 [pid 3615] close(3) = 0 [pid 3615] openat(AT_FDCWD, "/proc/sys/kernel/sem", O_WRONLY|O_CLOEXEC) = 3 [pid 3615] write(3, "1024 1048576 500 1024", 21) = 21 [pid 3615] close(3) = 0 [pid 3615] getpid() = 1 [pid 3615] capget({version=_LINUX_CAPABILITY_VERSION_3, pid=1}, {effective=1< 0b 66 2e 0f 1f 84 00 00 00 00 00 90 41 57 41 56 41 54 53 49 89 [ 44.082069][ T3615] RSP: 0018:ffffc90003a0fad0 EFLAGS: 00010293 [ 44.088145][ T3615] RAX: ffffffff82f956b3 RBX: ffff888074bbb838 RCX: ffff8880209bbb00 [ 44.096108][ T3615] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffff888074bbbbb0 [ 44.104079][ T3615] RBP: ffff888074bbb780 R08: ffffffff8209cd81 R09: fffffbfff1fc1024 [ 44.112132][ T3615] R10: fffffbfff1fc1024 R11: 1ffffffff1fc1023 R12: dffffc0000000000 [ 44.120101][ T3615] R13: ffffffff8accf330 R14: dffffc0000000000 R15: ffff888074bbbbb0 [ 44.128066][ T3615] FS: 0000000000000000(0000) GS:ffff8880b9b00000(0000) knlGS:0000000000000000 [ 44.136983][ T3615] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 44.143553][ T3615] CR2: 00007fcf9b8f31d0 CR3: 000000007ff8a000 CR4: 00000000003506e0 [ 44.151627][ T3615] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 44.159763][ T3615] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 44.167719][ T3615] Call Trace: [ 44.170985][ T3615] [ 44.173912][ T3615] ? evict+0x29f/0x620 [ 44.177989][ T3615] ? jfs_write_inode+0x210/0x210 [ 44.182919][ T3615] evict+0x2a4/0x620 [ 44.186806][ T3615] evict_inodes+0x658/0x700 [ 44.191313][ T3615] ? clear_inode+0x150/0x150 [ 44.195897][ T3615] ? dput+0x3ee/0x410 [ 44.199868][ T3615] ? sync_filesystem+0x103/0x220 [ 44.204810][ T3615] generic_shutdown_super+0x94/0x300 [ 44.210082][ T3615] kill_block_super+0x79/0xd0 [ 44.214758][ T3615] deactivate_locked_super+0xa7/0xf0 [ 44.220045][ T3615] cleanup_mnt+0x4ce/0x560 [ 44.224466][ T3615] ? _raw_spin_unlock_irq+0x1f/0x40 [ 44.229673][ T3615] task_work_run+0x146/0x1c0 [ 44.234273][ T3615] do_exit+0x55e/0x20a0 [ 44.238422][ T3615] ? _raw_spin_unlock_irq+0x1f/0x40 [ 44.243608][ T3615] ? lockdep_hardirqs_on+0x8d/0x130 [ 44.248806][ T3615] ? _raw_spin_unlock_irq+0x2a/0x40 [ 44.253988][ T3615] ? ptrace_notify+0x245/0x340 [ 44.258735][ T3615] ? mm_update_next_owner+0x6d0/0x6d0 [ 44.264100][ T3615] ? do_notify_parent+0xe00/0xe00 [ 44.269111][ T3615] do_group_exit+0x23b/0x2f0 [ 44.273701][ T3615] __x64_sys_exit_group+0x3b/0x40 [ 44.278744][ T3615] do_syscall_64+0x3d/0xb0 [ 44.283175][ T3615] entry_SYSCALL_64_after_hwframe+0x63/0xcd [ 44.289066][ T3615] RIP: 0033:0x7fcf9b86e689 [ 44.293490][ T3615] Code: Unable to access opcode bytes at RIP 0x7fcf9b86e65f. [ 44.300938][ T3615] RSP: 002b:00007ffc7c7c8c38 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7 [ 44.309341][ T3615] RAX: ffffffffffffffda RBX: 00007fcf9b8f2330 RCX: 00007fcf9b86e689 [ 44.317311][ T3615] RDX: 000000000000003c RSI: 00000000000000e7 RDI: 0000000000000001 [ 44.325271][ T3615] RBP: 0000000000000001 R08: ffffffffffffffc0 R09: 0000000000000000 [ 44.333236][ T3615] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fcf9b8f2330 [ 44.341199][ T3615] R13: 0000000000000001 R14: 0000000000000000 R15: 0000000000000001 [ 44.349161][ T3615] [ 44.352167][ T3615] Modules linked in: [ 44.358239][ T3615] ---[ end trace 0000000000000000 ]--- [ 44.363711][ T3615] RIP: 0010:jfs_evict_inode+0x433/0x440 [ 44.369470][ T3615] Code: 89 ef e8 20 27 e1 fe e9 14 fe ff ff e8 e6 32 8e fe 48 c7 c7 60 35 ef 8c 4c 89 ee e8 b7 6e 68 01 e9 89 fd ff ff e8 cd 32 8e fe <0f> 0b 66 2e 0f 1f 84 00 00 00 00 00 90 41 57 41 56 41 54 53 49 89 [ 44.389488][ T3615] RSP: 0018:ffffc90003a0fad0 EFLAGS: 00010293 [ 44.395847][ T3615] RAX: ffffffff82f956b3 RBX: ffff888074bbb838 RCX: ffff8880209bbb00 [ 44.403831][ T3615] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffff888074bbbbb0 [ 44.411928][ T3615] RBP: ffff888074bbb780 R08: ffffffff8209cd81 R09: fffffbfff1fc1024 [ 44.419969][ T3615] R10: fffffbfff1fc1024 R11: 1ffffffff1fc1023 R12: dffffc0000000000 [ 44.428001][ T3615] R13: ffffffff8accf330 R14: dffffc0000000000 R15: ffff888074bbbbb0 [ 44.435996][ T3615] FS: 0000000000000000(0000) GS:ffff8880b9a00000(0000) knlGS:0000000000000000 [ 44.445097][ T3615] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 44.451697][ T3615] CR2: 000055a2200c8dd0 CR3: 000000007ff8a000 CR4: 00000000003506f0 [ 44.459937][ T3615] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 44.468094][ T3615] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 44.476136][ T3615] Kernel panic - not syncing: Fatal exception [ 44.482339][ T3615] Kernel Offset: disabled [ 44.486651][ T3615] Rebooting in 86400 seconds..