./strace-static-x86_64 -e \!wait4,clock_nanosleep,nanosleep -s 100 -x -f ./syz-executor1319007071 <...> DUID 00:04:7b:a2:e0:73:6b:5f:a9:8e:d4:f6:53:82:b5:31:a7:5e forked to background, child pid 3183 [ 22.551200][ T3184] 8021q: adding VLAN 0 to HW filter on device bond0 [ 22.562921][ T3184] eql: remember to turn off Van-Jacobson compression on your slave devices Starting sshd: OK syzkaller Warning: Permanently added '10.128.1.1' (ECDSA) to the list of known hosts. execve("./syz-executor1319007071", ["./syz-executor1319007071"], 0x7fff777f7b20 /* 10 vars */) = 0 brk(NULL) = 0x555556c87000 brk(0x555556c87d00) = 0x555556c87d00 arch_prctl(ARCH_SET_FS, 0x555556c873c0) = 0 uname({sysname="Linux", nodename="syzkaller", ...}) = 0 readlink("/proc/self/exe", "/root/syz-executor1319007071", 4096) = 28 brk(0x555556ca8d00) = 0x555556ca8d00 brk(0x555556ca9000) = 0x555556ca9000 mprotect(0x7f43fe67d000, 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 getpid() = 3604 openat(AT_FDCWD, "/sys/kernel/debug/x86/nmi_longest_ns", O_WRONLY|O_CLOEXEC) = 3 write(3, "10000000000", 11) = 11 close(3) = 0 openat(AT_FDCWD, "/proc/sys/kernel/hung_task_check_interval_secs", O_WRONLY|O_CLOEXEC) = 3 write(3, "20", 2) = 2 close(3) = 0 openat(AT_FDCWD, "/proc/sys/net/core/bpf_jit_kallsyms", O_WRONLY|O_CLOEXEC) = 3 write(3, "1", 1) = 1 close(3) = 0 openat(AT_FDCWD, "/proc/sys/net/core/bpf_jit_harden", O_WRONLY|O_CLOEXEC) = 3 write(3, "0", 1) = 1 close(3) = 0 openat(AT_FDCWD, "/proc/sys/kernel/kptr_restrict", O_WRONLY|O_CLOEXEC) = 3 write(3, "0", 1) = 1 close(3) = 0 openat(AT_FDCWD, "/proc/sys/kernel/softlockup_all_cpu_backtrace", O_WRONLY|O_CLOEXEC) = 3 write(3, "1", 1) = 1 close(3) = 0 openat(AT_FDCWD, "/proc/sys/fs/mount-max", O_WRONLY|O_CLOEXEC) = 3 write(3, "100", 3) = 3 close(3) = 0 openat(AT_FDCWD, "/proc/sys/vm/oom_dump_tasks", O_WRONLY|O_CLOEXEC) = 3 write(3, "0", 1) = 1 close(3) = 0 openat(AT_FDCWD, "/proc/sys/debug/exception-trace", O_WRONLY|O_CLOEXEC) = 3 write(3, "0", 1) = 1 close(3) = 0 openat(AT_FDCWD, "/proc/sys/kernel/printk", O_WRONLY|O_CLOEXEC) = 3 write(3, "7 4 1 3", 7) = 7 close(3) = 0 openat(AT_FDCWD, "/proc/sys/kernel/keys/gc_delay", O_WRONLY|O_CLOEXEC) = 3 write(3, "1", 1) = 1 close(3) = 0 openat(AT_FDCWD, "/proc/sys/vm/oom_kill_allocating_task", O_WRONLY|O_CLOEXEC) = 3 write(3, "1", 1) = 1 close(3) = 0 openat(AT_FDCWD, "/proc/sys/kernel/ctrl-alt-del", O_WRONLY|O_CLOEXEC) = 3 write(3, "0", 1) = 1 close(3) = 0 openat(AT_FDCWD, "/proc/sys/kernel/cad_pid", O_WRONLY|O_CLOEXEC) = 3 write(3, "3604", 4) = 4 close(3) = 0 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 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=0x7f43fe553990, sa_mask=[], sa_flags=SA_RESTORER|SA_NODEFER|SA_SIGINFO, sa_restorer=0x7f43fe564ea0}, NULL, 8) = 0 rt_sigaction(SIGBUS, {sa_handler=0x7f43fe553990, sa_mask=[], sa_flags=SA_RESTORER|SA_NODEFER|SA_SIGINFO, sa_restorer=0x7f43fe564ea0}, NULL, 8) = 0 unshare(CLONE_NEWPID) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555556c87690) = 3605 ./strace-static-x86_64: Process 3605 attached [pid 3605] mount(NULL, "/sys/fs/fuse/connections", "fusectl", 0, NULL) = -1 EBUSY (Device or resource busy) [pid 3605] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 3605] setsid() = 1 [pid 3605] prlimit64(0, RLIMIT_AS, {rlim_cur=204800*1024, rlim_max=204800*1024}, NULL) = 0 [pid 3605] prlimit64(0, RLIMIT_MEMLOCK, {rlim_cur=32768*1024, rlim_max=32768*1024}, NULL) = 0 [pid 3605] prlimit64(0, RLIMIT_FSIZE, {rlim_cur=139264*1024, rlim_max=139264*1024}, NULL) = 0 [pid 3605] prlimit64(0, RLIMIT_STACK, {rlim_cur=1024*1024, rlim_max=1024*1024}, NULL) = 0 [pid 3605] prlimit64(0, RLIMIT_CORE, {rlim_cur=131072*1024, rlim_max=131072*1024}, NULL) = 0 [pid 3605] prlimit64(0, RLIMIT_NOFILE, {rlim_cur=256, rlim_max=256}, NULL) = 0 [pid 3605] unshare(CLONE_NEWNS) = 0 [pid 3605] mount(NULL, "/", NULL, MS_REC|MS_PRIVATE, NULL) = 0 [pid 3605] unshare(CLONE_NEWIPC) = 0 [pid 3605] unshare(CLONE_NEWCGROUP) = 0 [pid 3605] unshare(CLONE_NEWUTS) = 0 [pid 3605] unshare(CLONE_SYSVSEM) = 0 [pid 3605] openat(AT_FDCWD, "/proc/sys/kernel/shmmax", O_WRONLY|O_CLOEXEC) = 3 [pid 3605] write(3, "16777216", 8) = 8 [pid 3605] close(3) = 0 [pid 3605] openat(AT_FDCWD, "/proc/sys/kernel/shmall", O_WRONLY|O_CLOEXEC) = 3 [pid 3605] write(3, "536870912", 9) = 9 [pid 3605] close(3) = 0 [pid 3605] openat(AT_FDCWD, "/proc/sys/kernel/shmmni", O_WRONLY|O_CLOEXEC) = 3 [pid 3605] write(3, "1024", 4) = 4 [pid 3605] close(3) = 0 [pid 3605] openat(AT_FDCWD, "/proc/sys/kernel/msgmax", O_WRONLY|O_CLOEXEC) = 3 [pid 3605] write(3, "8192", 4) = 4 [pid 3605] close(3) = 0 [pid 3605] openat(AT_FDCWD, "/proc/sys/kernel/msgmni", O_WRONLY|O_CLOEXEC) = 3 [pid 3605] write(3, "1024", 4) = 4 [pid 3605] close(3) = 0 [pid 3605] openat(AT_FDCWD, "/proc/sys/kernel/msgmnb", O_WRONLY|O_CLOEXEC) = 3 [pid 3605] write(3, "1024", 4) = 4 [pid 3605] close(3) = 0 [pid 3605] openat(AT_FDCWD, "/proc/sys/kernel/sem", O_WRONLY|O_CLOEXEC) = 3 [pid 3605] write(3, "1024 1048576 500 1024", 21) = 21 [pid 3605] close(3) = 0 [pid 3605] getpid() = 1 [pid 3605] capget({version=_LINUX_CAPABILITY_VERSION_3, pid=1}, {effective=1< [ 60.585947][ T3605] dump_stack_lvl+0x1b1/0x28e [ 60.590610][ T3605] ? nf_tcp_handle_invalid+0x62e/0x62e [ 60.596047][ T3605] ? __wake_up_klogd+0xcd/0x100 [ 60.600878][ T3605] ? panic+0x710/0x710 [ 60.604933][ T3605] ? _printk+0xc0/0x100 [ 60.609069][ T3605] print_address_description+0x74/0x340 [ 60.614595][ T3605] print_report+0x107/0x1f0 [ 60.619085][ T3605] ? __virt_addr_valid+0x21b/0x2d0 [ 60.624173][ T3605] ? __phys_addr+0xb5/0x160 [ 60.628653][ T3605] ? mi_enum_attr+0x583/0x6a0 [ 60.633306][ T3605] kasan_report+0xcd/0x100 [ 60.637715][ T3605] ? mi_enum_attr+0x583/0x6a0 [ 60.642385][ T3605] mi_enum_attr+0x583/0x6a0 [ 60.646882][ T3605] ni_enum_attr_ex+0x2f6/0x6d0 [ 60.651645][ T3605] ? run_unpack+0xd00/0xd00 [ 60.656135][ T3605] ? ni_find_attr+0x8c0/0x8c0 [ 60.660792][ T3605] ntfs_iget5+0x1d3e/0x36f0 [ 60.665282][ T3605] ? check_index_root+0x680/0x680 [ 60.670291][ T3605] ? __destroy_inode+0x453/0x5e0 [ 60.675211][ T3605] ? evict+0x5d5/0x620 [ 60.679261][ T3605] ntfs_fill_super+0x3b55/0x42a0 [ 60.684181][ T3605] ? put_ntfs+0x2a0/0x2a0 [ 60.688578][ T3605] ? set_blocksize+0x1d5/0x360 [ 60.693326][ T3605] get_tree_bdev+0x400/0x620 [ 60.697896][ T3605] ? put_ntfs+0x2a0/0x2a0 [ 60.702202][ T3605] vfs_get_tree+0x88/0x270 [ 60.706597][ T3605] do_new_mount+0x289/0xad0 [ 60.711082][ T3605] ? do_move_mount_old+0x150/0x150 [ 60.716189][ T3605] ? user_path_at_empty+0x149/0x1a0 [ 60.721375][ T3605] __se_sys_mount+0x2d3/0x3c0 [ 60.726040][ T3605] ? __x64_sys_mount+0xc0/0xc0 [ 60.730792][ T3605] ? __x64_sys_mount+0x1c/0xc0 [ 60.735551][ T3605] do_syscall_64+0x3d/0xb0 [ 60.739958][ T3605] entry_SYSCALL_64_after_hwframe+0x63/0xcd [ 60.745834][ T3605] RIP: 0033:0x7f43fe5afaca [ 60.750229][ T3605] Code: 48 c7 c2 c0 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff eb d2 e8 f8 03 00 00 0f 1f 84 00 00 00 00 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 c0 ff ff ff f7 d8 64 89 01 48 [ 60.769814][ T3605] RSP: 002b:00007ffd57724258 EFLAGS: 00000286 ORIG_RAX: 00000000000000a5 [ 60.778220][ T3605] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f43fe5afaca [ 60.786173][ T3605] RDX: 0000000020000000 RSI: 0000000020000100 RDI: 00007ffd57724270 [ 60.794122][ T3605] RBP: 00007ffd57724270 R08: 00007ffd577242b0 R09: 00007ffd577242e0 [ 60.802334][ T3605] R10: 0000000000000000 R11: 0000000000000286 R12: 0000000000000004 [ 60.810281][ T3605] R13: 00007ffd577242b0 R14: 0000000000000109 R15: 0000000020001ad8 [ 60.818234][ T3605] [ 60.821234][ T3605] [ 60.823533][ T3605] The buggy address belongs to the physical page: [ 60.829941][ T3605] page:ffffea0005df7980 refcount:0 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x177de6 [ 60.840173][ T3605] flags: 0x57ff00000000000(node=1|zone=2|lastcpupid=0x7ff) [ 60.847374][ T3605] raw: 057ff00000000000 ffffea0005df7988 ffffea0005df7988 0000000000000000 [ 60.855938][ T3605] raw: 0000000000000000 0000000000000000 00000000ffffffff 0000000000000000 [ 60.864499][ T3605] page dumped because: kasan: bad access detected [ 60.870899][ T3605] page_owner info is not present (never set?) [ 60.876952][ T3605] [ 60.879261][ T3605] Memory state around the buggy address: [ 60.884962][ T3605] ffff888177de6880: ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff [ 60.893089][ T3605] ffff888177de6900: ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff [ 60.901136][ T3605] >ffff888177de6980: ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff [ 60.909263][ T3605] ^ [ 60.913827][ T3605] ffff888177de6a00: ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff [ 60.921862][ T3605] ffff888177de6a80: ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff [ 60.929896][ T3605] ================================================================== [ 60.939613][ T3605] Kernel panic - not syncing: panic_on_warn set ... [ 60.946218][ T3605] CPU: 0 PID: 3605 Comm: syz-executor131 Not tainted 6.1.0-rc1-syzkaller-00158-g440b7895c990 #0 [ 60.956604][ T3605] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/11/2022 [ 60.966653][ T3605] Call Trace: [ 60.969936][ T3605] [ 60.972866][ T3605] dump_stack_lvl+0x1b1/0x28e [ 60.977537][ T3605] ? nf_tcp_handle_invalid+0x62e/0x62e [ 60.982986][ T3605] ? panic+0x710/0x710 [ 60.987043][ T3605] ? preempt_schedule_common+0xb7/0xe0 [ 60.992487][ T3605] ? vscnprintf+0x59/0x80 [ 60.996809][ T3605] panic+0x2d6/0x710 [ 61.000690][ T3605] ? memcpy_page_flushcache+0xfc/0xfc [ 61.006078][ T3605] ? _raw_spin_unlock_irqrestore+0x110/0x120 [ 61.012039][ T3605] ? print_report+0x1b4/0x1f0 [ 61.016699][ T3605] ? mi_enum_attr+0x583/0x6a0 [ 61.021399][ T3605] end_report+0x91/0xa0 [ 61.025593][ T3605] kasan_report+0xda/0x100 [ 61.030026][ T3605] ? mi_enum_attr+0x583/0x6a0 [ 61.034694][ T3605] mi_enum_attr+0x583/0x6a0 [ 61.039178][ T3605] ni_enum_attr_ex+0x2f6/0x6d0 [ 61.043927][ T3605] ? run_unpack+0xd00/0xd00 [ 61.048410][ T3605] ? ni_find_attr+0x8c0/0x8c0 [ 61.053067][ T3605] ntfs_iget5+0x1d3e/0x36f0 [ 61.057563][ T3605] ? check_index_root+0x680/0x680 [ 61.062584][ T3605] ? __destroy_inode+0x453/0x5e0 [ 61.067504][ T3605] ? evict+0x5d5/0x620 [ 61.071554][ T3605] ntfs_fill_super+0x3b55/0x42a0 [ 61.076479][ T3605] ? put_ntfs+0x2a0/0x2a0 [ 61.080784][ T3605] ? set_blocksize+0x1d5/0x360 [ 61.085530][ T3605] get_tree_bdev+0x400/0x620 [ 61.090100][ T3605] ? put_ntfs+0x2a0/0x2a0 [ 61.094406][ T3605] vfs_get_tree+0x88/0x270 [ 61.098806][ T3605] do_new_mount+0x289/0xad0 [ 61.103291][ T3605] ? do_move_mount_old+0x150/0x150 [ 61.108469][ T3605] ? user_path_at_empty+0x149/0x1a0 [ 61.113647][ T3605] __se_sys_mount+0x2d3/0x3c0 [ 61.118305][ T3605] ? __x64_sys_mount+0xc0/0xc0 [ 61.123049][ T3605] ? __x64_sys_mount+0x1c/0xc0 [ 61.127792][ T3605] do_syscall_64+0x3d/0xb0 [ 61.132188][ T3605] entry_SYSCALL_64_after_hwframe+0x63/0xcd [ 61.138062][ T3605] RIP: 0033:0x7f43fe5afaca [ 61.142476][ T3605] Code: 48 c7 c2 c0 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff eb d2 e8 f8 03 00 00 0f 1f 84 00 00 00 00 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 c0 ff ff ff f7 d8 64 89 01 48 [ 61.162150][ T3605] RSP: 002b:00007ffd57724258 EFLAGS: 00000286 ORIG_RAX: 00000000000000a5 [ 61.170550][ T3605] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f43fe5afaca [ 61.178527][ T3605] RDX: 0000000020000000 RSI: 0000000020000100 RDI: 00007ffd57724270 [ 61.186479][ T3605] RBP: 00007ffd57724270 R08: 00007ffd577242b0 R09: 00007ffd577242e0 [ 61.194428][ T3605] R10: 0000000000000000 R11: 0000000000000286 R12: 0000000000000004 [ 61.202380][ T3605] R13: 00007ffd577242b0 R14: 0000000000000109 R15: 0000000020001ad8 [ 61.210337][ T3605] [ 61.213537][ T3605] Kernel Offset: disabled [ 61.217856][ T3605] Rebooting in 86400 seconds..