./strace-static-x86_64 -e \!wait4,clock_nanosleep,nanosleep -s 100 -x -f ./syz-executor2902808034 <...> forked to background, child pid 3183 no interfa[ 18.473467][ T3184] 8021q: adding VLAN 0 to HW filter on device bond0 ces have a carrier [ 18.491310][ T3184] eql: remember to turn off Van-Jacobson compression on your slave devices Starting sshd: OK syzkaller Warning: Permanently added '10.128.0.246' (ECDSA) to the list of known hosts. execve("./syz-executor2902808034", ["./syz-executor2902808034"], 0x7ffca8990c50 /* 10 vars */) = 0 brk(NULL) = 0x555556e52000 brk(0x555556e52d00) = 0x555556e52d00 arch_prctl(ARCH_SET_FS, 0x555556e523c0) = 0 uname({sysname="Linux", nodename="syzkaller", ...}) = 0 readlink("/proc/self/exe", "/root/syz-executor2902808034", 4096) = 28 brk(0x555556e73d00) = 0x555556e73d00 brk(0x555556e74000) = 0x555556e74000 mprotect(0x7f6f2d611000, 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 mount(NULL, "/proc/sys/fs/binfmt_misc", "binfmt_misc", 0, NULL) = -1 EBUSY (Device or resource busy) openat(AT_FDCWD, "/proc/sys/fs/binfmt_misc/register", O_WRONLY|O_CLOEXEC) = 3 write(3, "\x3a\x73\x79\x7a\x30\x3a\x4d\x3a\x30\x3a\x01\x3a\x3a\x2e\x2f\x66\x69\x6c\x65\x30\x3a", 21) = 21 close(3) = 0 openat(AT_FDCWD, "/proc/sys/fs/binfmt_misc/register", O_WRONLY|O_CLOEXEC) = 3 write(3, "\x3a\x73\x79\x7a\x31\x3a\x4d\x3a\x31\x3a\x02\x3a\x3a\x2e\x2f\x66\x69\x6c\x65\x30\x3a\x50\x4f\x43", 24) = 24 close(3) = 0 openat(AT_FDCWD, "/sys/kernel/debug/failslab/ignore-gfp-wait", O_WRONLY|O_CLOEXEC) = 3 write(3, "N", 1) = 1 close(3) = 0 openat(AT_FDCWD, "/sys/kernel/debug/fail_futex/ignore-private", O_WRONLY|O_CLOEXEC) = 3 write(3, "N", 1) = 1 close(3) = 0 openat(AT_FDCWD, "/sys/kernel/debug/fail_page_alloc/ignore-gfp-highmem", O_WRONLY|O_CLOEXEC) = 3 write(3, "N", 1) = 1 close(3) = 0 openat(AT_FDCWD, "/sys/kernel/debug/fail_page_alloc/ignore-gfp-wait", O_WRONLY|O_CLOEXEC) = 3 write(3, "N", 1) = 1 close(3) = 0 openat(AT_FDCWD, "/sys/kernel/debug/fail_page_alloc/min-order", O_WRONLY|O_CLOEXEC) = 3 write(3, "0", 1) = 1 close(3) = 0 chmod("/dev/raw-gadget", 0666) = 0 rt_sigaction(SIGRTMIN, {sa_handler=SIG_IGN, sa_mask=[], sa_flags=0}, NULL, 8) = 0 rt_sigaction(SIGRT_1, {sa_handler=SIG_IGN, sa_mask=[], sa_flags=0}, NULL, 8) = 0 rt_sigaction(SIGSEGV, {sa_handler=0x7f6f2d4e3730, sa_mask=[], sa_flags=SA_RESTORER|SA_NODEFER|SA_SIGINFO, sa_restorer=0x7f6f2d4f7ef0}, NULL, 8) = 0 rt_sigaction(SIGBUS, {sa_handler=0x7f6f2d4e3730, sa_mask=[], sa_flags=SA_RESTORER|SA_NODEFER|SA_SIGINFO, sa_restorer=0x7f6f2d4f7ef0}, NULL, 8) = 0 unshare(CLONE_NEWPID) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 3612 attached [pid 3612] mount(NULL, "/sys/fs/fuse/connections", "fusectl", 0, NULL) = -1 EBUSY (Device or resource busy) [pid 3612] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 3612] setsid() = 1 [pid 3612] prlimit64(0, RLIMIT_AS, {rlim_cur=204800*1024, rlim_max=204800*1024}, NULL) = 0 [pid 3612] prlimit64(0, RLIMIT_MEMLOCK, {rlim_cur=32768*1024, rlim_max=32768*1024}, NULL) = 0 [pid 3612] prlimit64(0, RLIMIT_FSIZE, {rlim_cur=139264*1024, rlim_max=139264*1024}, NULL) = 0 [pid 3612] prlimit64(0, RLIMIT_STACK, {rlim_cur=1024*1024, rlim_max=1024*1024}, NULL) = 0 [pid 3612] prlimit64(0, RLIMIT_CORE, {rlim_cur=131072*1024, rlim_max=131072*1024}, NULL) = 0 [pid 3612] prlimit64(0, RLIMIT_NOFILE, {rlim_cur=256, rlim_max=256}, NULL) = 0 [pid 3612] unshare(CLONE_NEWNS) = 0 [pid 3611] <... clone resumed>, child_tidptr=0x555556e52690) = 3612 [pid 3612] mount(NULL, "/", NULL, MS_REC|MS_PRIVATE, NULL) = 0 [pid 3612] unshare(CLONE_NEWIPC) = 0 [pid 3612] unshare(CLONE_NEWCGROUP) = 0 [pid 3612] unshare(CLONE_NEWUTS) = 0 [pid 3612] unshare(CLONE_SYSVSEM) = 0 [pid 3612] openat(AT_FDCWD, "/proc/sys/kernel/shmmax", O_WRONLY|O_CLOEXEC) = 3 [pid 3612] write(3, "16777216", 8) = 8 [pid 3612] close(3) = 0 [pid 3612] openat(AT_FDCWD, "/proc/sys/kernel/shmall", O_WRONLY|O_CLOEXEC) = 3 [pid 3612] write(3, "536870912", 9) = 9 [pid 3612] close(3) = 0 [pid 3612] openat(AT_FDCWD, "/proc/sys/kernel/shmmni", O_WRONLY|O_CLOEXEC) = 3 [pid 3612] write(3, "1024", 4) = 4 [pid 3612] close(3) = 0 [pid 3612] openat(AT_FDCWD, "/proc/sys/kernel/msgmax", O_WRONLY|O_CLOEXEC) = 3 [pid 3612] write(3, "8192", 4) = 4 [pid 3612] close(3) = 0 [pid 3612] openat(AT_FDCWD, "/proc/sys/kernel/msgmni", O_WRONLY|O_CLOEXEC) = 3 [pid 3612] write(3, "1024", 4) = 4 [pid 3612] close(3) = 0 [pid 3612] openat(AT_FDCWD, "/proc/sys/kernel/msgmnb", O_WRONLY|O_CLOEXEC) = 3 [pid 3612] write(3, "1024", 4) = 4 [pid 3612] close(3) = 0 [pid 3612] openat(AT_FDCWD, "/proc/sys/kernel/sem", O_WRONLY|O_CLOEXEC) = 3 [pid 3612] write(3, "1024 1048576 500 1024", 21) = 21 [pid 3612] close(3) = 0 [pid 3612] getpid() = 1 [pid 3612] capget({version=_LINUX_CAPABILITY_VERSION_3, pid=1}, {effective=1< b6 14 02 48 89 f8 83 e0 07 83 c0 01 38 d0 7c 08 84 d2 0f 85 0d [ 54.468781][ T3612] RSP: 0018:ffffc90003d3f8e0 EFLAGS: 00010213 [ 54.474834][ T3612] RAX: dffffc0000000000 RBX: 0000000000000000 RCX: 0000000000000000 [ 54.482806][ T3612] RDX: 0000000000000002 RSI: ffffffff82a6a123 RDI: 0000000000000016 [ 54.490780][ T3612] RBP: ffff88807e97a050 R08: 0000000000000005 R09: 0000000000000000 [ 54.498734][ T3612] R10: 0000000000000001 R11: 000000000008c07d R12: ffff8880708d11e8 [ 54.506698][ T3612] R13: ffff88807e97a000 R14: ffffffff8a22fd00 R15: ffff8880708d1110 [ 54.514751][ T3612] FS: 0000555556e523c0(0000) GS:ffff8880b9a00000(0000) knlGS:0000000000000000 [ 54.523678][ T3612] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 54.530249][ T3612] CR2: 000000002007a000 CR3: 0000000026cd0000 CR4: 0000000000350ef0 [ 54.538211][ T3612] Call Trace: [ 54.541476][ T3612] [ 54.544393][ T3612] ? truncate_inode_pages_range+0x5d9/0x1510 [ 54.550371][ T3612] ? vfs_symlink+0x365/0x5b0 [ 54.554962][ T3612] ? do_symlinkat+0x261/0x2e0 [ 54.559629][ T3612] ? __x64_sys_symlinkat+0x93/0xc0 [ 54.564738][ T3612] ? do_syscall_64+0x35/0xb0 [ 54.569347][ T3612] ? truncate_inode_partial_folio+0xdf0/0xdf0 [ 54.575434][ T3612] ? lock_downgrade+0x6e0/0x6e0 [ 54.580276][ T3612] ? percpu_counter_add_batch+0xbd/0x180 [ 54.585900][ T3612] ? rcu_read_lock_sched_held+0xd/0x70 [ 54.591368][ T3612] ? lock_acquire+0x480/0x570 [ 54.596034][ T3612] ? ni_is_dirty+0x180/0x180 [ 54.600619][ T3612] ? rcu_read_lock_sched_held+0xd/0x70 [ 54.606074][ T3612] ? lock_acquire+0x480/0x570 [ 54.610736][ T3612] ? rcu_read_lock_sched_held+0xd/0x70 [ 54.616191][ T3612] ? lock_acquire+0x480/0x570 [ 54.620852][ T3612] ? __inode_wait_for_writeback+0x184/0x1f0 [ 54.626734][ T3612] ? rcu_read_lock_sched_held+0xd/0x70 [ 54.632188][ T3612] ? lock_release+0x560/0x780 [ 54.636851][ T3612] ? evict+0x2b7/0x6b0 [ 54.640904][ T3612] ? lock_downgrade+0x6e0/0x6e0 [ 54.645743][ T3612] ? cpuacct_css_alloc+0x160/0x160 [ 54.650842][ T3612] ? rwlock_bug.part.0+0x90/0x90 [ 54.655769][ T3612] ntfs_evict_inode+0x88/0xa0 [ 54.660437][ T3612] ? ntfs_unlink_inode+0x700/0x700 [ 54.665544][ T3612] evict+0x2ed/0x6b0 [ 54.669434][ T3612] iput.part.0+0x55d/0x810 [ 54.673837][ T3612] iput+0x58/0x70 [ 54.677459][ T3612] ntfs_new_inode+0xa6/0x120 [ 54.682052][ T3612] ntfs_create_inode+0x385/0x3d10 [ 54.687070][ T3612] ? d_splice_alias+0x703/0xd30 [ 54.691918][ T3612] ? userns_owner+0x40/0x40 [ 54.696414][ T3612] ? inode_write_data+0xb70/0xb70 [ 54.701430][ T3612] ? ntfs_lookup+0x135/0x1e0 [ 54.706011][ T3612] ? d_alloc+0x1bc/0x230 [ 54.710246][ T3612] ? generic_permission+0x38a/0x7a0 [ 54.715442][ T3612] ntfs_symlink+0x3f/0x90 [ 54.719765][ T3612] vfs_symlink+0x365/0x5b0 [ 54.724181][ T3612] do_symlinkat+0x261/0x2e0 [ 54.728671][ T3612] ? __ia32_sys_unlink+0x110/0x110 [ 54.733766][ T3612] ? getname_flags.part.0+0x1dd/0x4f0 [ 54.739140][ T3612] __x64_sys_symlinkat+0x93/0xc0 [ 54.744070][ T3612] do_syscall_64+0x35/0xb0 [ 54.748481][ T3612] entry_SYSCALL_64_after_hwframe+0x63/0xcd [ 54.754364][ T3612] RIP: 0033:0x7f6f2d53a699 [ 54.758770][ T3612] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 c0 ff ff ff f7 d8 64 89 01 48 [ 54.778372][ T3612] RSP: 002b:00007ffec8fb9018 EFLAGS: 00000246 ORIG_RAX: 000000000000010a [ 54.786783][ T3612] RAX: ffffffffffffffda RBX: 00007ffec8fb9058 RCX: 00007f6f2d53a699 [ 54.794858][ T3612] RDX: 0000000020001d80 RSI: 0000000000000003 RDI: 0000000020000140 [ 54.803080][ T3612] RBP: 00007ffec8fb9020 R08: 0000000000000002 R09: 0000000000003431 [ 54.811038][ T3612] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002 [ 54.818994][ T3612] R13: 00007ffec8fb9054 R14: 0000000000000003 R15: 0000000000000000 [ 54.826984][ T3612] [ 54.829991][ T3612] Modules linked in: [ 54.839435][ T3612] ---[ end trace 0000000000000000 ]--- [ 54.845058][ T3612] RIP: 0010:ni_write_inode+0x216/0x3280 [ 54.850886][ T3612] Code: 48 c1 ea 03 80 3c 02 00 0f 85 fa 20 00 00 49 8b 9f d0 fd ff ff 48 b8 00 00 00 00 00 fc ff df 48 8d 7b 16 48 89 fa 48 c1 ea 03 <0f> b6 14 02 48 89 f8 83 e0 07 83 c0 01 38 d0 7c 08 84 d2 0f 85 0d [ 54.870671][ T3612] RSP: 0018:ffffc90003d3f8e0 EFLAGS: 00010213 [ 54.876754][ T3612] RAX: dffffc0000000000 RBX: 0000000000000000 RCX: 0000000000000000 [ 54.885210][ T3612] RDX: 0000000000000002 RSI: ffffffff82a6a123 RDI: 0000000000000016 [ 54.893246][ T3612] RBP: ffff88807e97a050 R08: 0000000000000005 R09: 0000000000000000 [ 54.901518][ T3612] R10: 0000000000000001 R11: 000000000008c07d R12: ffff8880708d11e8 [ 54.909574][ T3612] R13: ffff88807e97a000 R14: ffffffff8a22fd00 R15: ffff8880708d1110 [ 54.917618][ T3612] FS: 0000555556e523c0(0000) GS:ffff8880b9a00000(0000) knlGS:0000000000000000 [ 54.927395][ T3612] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 54.934098][ T3612] CR2: 000000002007a000 CR3: 0000000026cd0000 CR4: 0000000000350ef0 [ 54.942359][ T3612] Kernel panic - not syncing: Fatal exception [ 54.949133][ T3612] Kernel Offset: disabled [ 54.953445][ T3612] Rebooting in 86400 seconds..