ci2-android-6-12-rust/strace-static-x86_64 -e \!wait4,clock_nanosleep,nanosleep -s 100 -x -f ci2-android-6-12-rust/syz-executor2765862944 <...> Warning: Permanently added '10.128.1.190' (ED25519) to the list of known hosts. execve("ci2-android-6-12-rust/syz-executor2765862944", ["ci2-android-6-12-rust/syz-executor2765862944"], 0x7ffe6549dea0 /* 10 vars */) = 0 brk(NULL) = 0x55556f057000 brk(0x55556f057d40) = 0x55556f057d40 arch_prctl(ARCH_SET_FS, 0x55556f0573c0) = 0 set_tid_address(0x55556f057690) = 313 set_robust_list(0x55556f0576a0, 24) = 0 rseq({cpu_id_start=0, cpu_id=RSEQ_CPU_ID_UNINITIALIZED, rseq_cs=NULL, flags=0, node_id=0, mm_cid=0, slice_ctrl={request=0, granted=0, __reserved=0}, __reserved=0}, 32, 0, 0x53053053) = -1 ENOSYS (Function not implemented) prlimit64(0, RLIMIT_STACK, NULL, {rlim_cur=8192*1024, rlim_max=RLIM64_INFINITY}) = 0 readlinkat(AT_FDCWD, "/proc/self/exe", "/root/ci2-android-6-12-rust/syz-executor2765862944", 4096) = 50 getrandom("\xf5\x60\x53\x42\xe4\x6d\xc4\xd5", 8, GRND_NONBLOCK) = 8 brk(NULL) = 0x55556f057d40 brk(0x55556f078d40) = 0x55556f078d40 brk(0x55556f079000) = 0x55556f079000 mprotect(0x7f4a643b6000, 20480, PROT_READ) = 0 mmap(0x1ffffffff000, 4096, PROT_NONE, MAP_PRIVATE|MAP_FIXED|MAP_ANONYMOUS, -1, 0) = 0x1ffffffff000 mmap(0x200000000000, 16777216, PROT_READ|PROT_WRITE|PROT_EXEC, MAP_PRIVATE|MAP_FIXED|MAP_ANONYMOUS, -1, 0) = 0x200000000000 mmap(0x200001000000, 4096, PROT_NONE, MAP_PRIVATE|MAP_FIXED|MAP_ANONYMOUS, -1, 0) = 0x200001000000 getrandom("\x2a\x9c\xfc\xec\x59\xbe\xe8\x9e", 8, GRND_NONBLOCK) = 8 mkdir("./syzkaller.Q6NPMc", 0700) = 0 chmod("./syzkaller.Q6NPMc", 0777) = 0 chdir("./syzkaller.Q6NPMc") = 0 unshare(CLONE_NEWPID) = 0 rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55556f057690) = 314 rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 ci2-android-6-12-rust/strace-static-x86_64: Process 314 attached [pid 314] set_robust_list(0x55556f0576a0, 24) = 0 [pid 314] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 314] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 314] getppid() = 0 [pid 314] prlimit64(0, RLIMIT_AS, {rlim_cur=204800*1024, rlim_max=204800*1024}, NULL) = 0 [pid 314] prlimit64(0, RLIMIT_MEMLOCK, {rlim_cur=32768*1024, rlim_max=32768*1024}, NULL) = 0 [pid 314] prlimit64(0, RLIMIT_FSIZE, {rlim_cur=139264*1024, rlim_max=139264*1024}, NULL) = 0 [pid 314] prlimit64(0, RLIMIT_STACK, {rlim_cur=1024*1024, rlim_max=1024*1024}, NULL) = 0 [pid 314] prlimit64(0, RLIMIT_CORE, {rlim_cur=131072*1024, rlim_max=131072*1024}, NULL) = 0 [pid 314] prlimit64(0, RLIMIT_NOFILE, {rlim_cur=256, rlim_max=256}, NULL) = 0 [pid 314] unshare(CLONE_NEWNS) = 0 [pid 314] mount(NULL, "/", NULL, MS_REC|MS_PRIVATE, NULL) = 0 [pid 314] unshare(CLONE_NEWIPC) = -1 EINVAL (Invalid argument) [pid 314] unshare(CLONE_NEWCGROUP) = 0 [pid 314] unshare(CLONE_NEWUTS) = 0 [pid 314] unshare(CLONE_SYSVSEM) = 0 [pid 314] openat(AT_FDCWD, "/proc/sys/kernel/shmmax", O_WRONLY|O_CLOEXEC) = -1 ENOENT (No such file or directory) [pid 314] openat(AT_FDCWD, "/proc/sys/kernel/shmall", O_WRONLY|O_CLOEXEC) = -1 ENOENT (No such file or directory) [pid 314] openat(AT_FDCWD, "/proc/sys/kernel/shmmni", O_WRONLY|O_CLOEXEC) = -1 ENOENT (No such file or directory) [pid 314] openat(AT_FDCWD, "/proc/sys/kernel/msgmax", O_WRONLY|O_CLOEXEC) = -1 ENOENT (No such file or directory) [pid 314] openat(AT_FDCWD, "/proc/sys/kernel/msgmni", O_WRONLY|O_CLOEXEC) = -1 ENOENT (No such file or directory) [pid 314] openat(AT_FDCWD, "/proc/sys/kernel/msgmnb", O_WRONLY|O_CLOEXEC) = -1 ENOENT (No such file or directory) [pid 314] openat(AT_FDCWD, "/proc/sys/kernel/sem", O_WRONLY|O_CLOEXEC) = -1 ENOENT (No such file or directory) [pid 314] getpid() = 1 [pid 314] capget({version=_LINUX_CAPABILITY_VERSION_3, pid=1}, {effective=1< 0b eb 81 44 89 f1 80 e1 07 80 c1 03 38 c1 0f 8c 59 ff ff ff 4c [ 32.495108][ T314] RSP: 0018:ffffc9000122fb48 EFLAGS: 00010293 [ 32.501196][ T314] RAX: ffffffff81f2578e RBX: ffff8881108816c0 RCX: ffff888106f8a600 [ 32.509215][ T314] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000 [ 32.517244][ T314] RBP: ffffc9000122fb70 R08: 0000000000000003 R09: 0000000000000004 [ 32.525278][ T314] R10: dffffc0000000000 R11: fffff52000245f58 R12: dffffc0000000000 [ 32.533273][ T314] R13: 1ffff110221102e1 R14: ffff888110881708 R15: 0000000000000000 [ 32.541294][ T314] FS: 000055556f0573c0(0000) GS:ffff8881f6e00000(0000) knlGS:0000000000000000 [ 32.550296][ T314] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 32.556944][ T314] CR2: 000055556f0687a8 CR3: 0000000123a78000 CR4: 00000000003526b0 [ 32.564999][ T314] Call Trace: [ 32.568305][ T314] [ 32.571232][ T314] shmem_rmdir+0x5f/0x90 [ 32.575535][ T314] vfs_rmdir+0x3de/0x560 [ 32.579831][ T314] incfs_kill_sb+0x102/0x220 [ 32.584477][ T314] deactivate_locked_super+0xd5/0x270 [ 32.589888][ T314] deactivate_super+0xb8/0xe0 [ 32.594634][ T314] cleanup_mnt+0x438/0x4d0 [ 32.599103][ T314] __cleanup_mnt+0x1d/0x40 [ 32.603575][ T314] task_work_run+0x1e5/0x260 [ 32.608206][ T314] ? __cfi_task_work_run+0x10/0x10 [ 32.613332][ T314] ? path_umount+0x34a/0xf60 [ 32.617987][ T314] ptrace_notify+0x25a/0x290 [ 32.622616][ T314] ? __cfi_ptrace_notify+0x10/0x10 [ 32.632004][ T314] ? putname+0x113/0x150 [ 32.636363][ T314] ? __x64_sys_umount+0x12e/0x180 [ 32.641403][ T314] ? __cfi___x64_sys_umount+0x10/0x10 [ 32.646836][ T314] syscall_exit_work+0x84/0x150 [ 32.651718][ T314] syscall_exit_to_user_mode_prepare+0x21/0x40 [ 32.657962][ T314] syscall_exit_to_user_mode+0x15/0xb0 [ 32.663492][ T314] do_syscall_64+0x63/0xf0 [ 32.667937][ T314] ? clear_bhb_loop+0x50/0xa0 [ 32.672627][ T314] entry_SYSCALL_64_after_hwframe+0x76/0x7e [ 32.678591][ T314] RIP: 0033:0x7f4a64323527 [ 32.683066][ T314] Code: bf 41 4d 56 53 b8 9d 00 00 00 0f 05 83 f8 ea 75 a2 c7 05 64 85 09 00 00 00 00 00 eb 96 e8 b1 05 00 00 90 b8 a6 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 01 c3 48 c7 c2 d8 ff ff ff f7 d8 64 89 02 b8 [ 32.702776][ T314] RSP: 002b:00007ffd3d1bbeb8 EFLAGS: 00000206 ORIG_RAX: 00000000000000a6 [ 32.711273][ T314] RAX: 0000000000000000 RBX: 0000000000000000 RCX: 00007f4a64323527 [ 32.719301][ T314] RDX: 0000000000000000 RSI: 0000000000000009 RDI: 00007ffd3d1bbf70 [ 32.727360][ T314] RBP: 00007ffd3d1bbf70 R08: 00007ffd3d1bcf70 R09: 00000000ffffffff [ 32.735398][ T314] R10: 0000000000000000 R11: 0000000000000206 R12: 00007ffd3d1bcfe0 [ 32.743403][ T314] R13: 000055556f058730 R14: 00007ffd3d1bcfe0 R15: 0000000000000001 [ 32.751503][ T314] [ 32.754578][ T314] ---[ end trace 0000000000000000 ]--- [ 32.760147][ T314] ================================================================== [ 32.768239][ T314] BUG: KASAN: null-ptr-deref in ihold+0x24/0x70 [ 32.774497][ T314] Write of size 4 at addr 0000000000000168 by task syz-executor276/314 [ 32.782739][ T314] [ 32.785069][ T314] CPU: 1 UID: 0 PID: 314 Comm: syz-executor276 Tainted: G W syzkaller #0 60889c1c5e6bdc1f3cb1b6a230ba908545dccc71 [ 32.785095][ T314] Tainted: [W]=WARN [ 32.785101][ T314] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026 [ 32.785111][ T314] Call Trace: [ 32.785118][ T314] [ 32.785125][ T314] __dump_stack+0x21/0x30 [ 32.785154][ T314] dump_stack_lvl+0x140/0x1c0 [ 32.785177][ T314] ? __cfi_dump_stack_lvl+0x10/0x10 [ 32.785202][ T314] print_report+0x3d/0x70 [ 32.785225][ T314] kasan_report+0x162/0x1a0 [ 32.785247][ T314] ? ihold+0x24/0x70 [ 32.785268][ T314] ? ihold+0x24/0x70 [ 32.785287][ T314] kasan_check_range+0x25a/0x2b0 [ 32.785310][ T314] __kasan_check_write+0x18/0x20 [ 32.785326][ T314] ihold+0x24/0x70 [ 32.785346][ T314] vfs_rmdir+0x25c/0x560 [ 32.785370][ T314] incfs_kill_sb+0x102/0x220 [ 32.785388][ T314] deactivate_locked_super+0xd5/0x270 [ 32.785413][ T314] deactivate_super+0xb8/0xe0 [ 32.785436][ T314] cleanup_mnt+0x438/0x4d0 [ 32.785457][ T314] __cleanup_mnt+0x1d/0x40 [ 32.785477][ T314] task_work_run+0x1e5/0x260 [ 32.785499][ T314] ? __cfi_task_work_run+0x10/0x10 [ 32.785520][ T314] ? path_umount+0x34a/0xf60 [ 32.785536][ T314] ptrace_notify+0x25a/0x290 [ 32.785558][ T314] ? __cfi_ptrace_notify+0x10/0x10 [ 32.785580][ T314] ? putname+0x113/0x150 [ 32.785599][ T314] ? __x64_sys_umount+0x12e/0x180 [ 32.785620][ T314] ? __cfi___x64_sys_umount+0x10/0x10 [ 32.785637][ T314] syscall_exit_work+0x84/0x150 [ 32.785653][ T314] syscall_exit_to_user_mode_prepare+0x21/0x40 [ 32.785669][ T314] syscall_exit_to_user_mode+0x15/0xb0 [ 32.785694][ T314] do_syscall_64+0x63/0xf0 [ 32.785710][ T314] ? clear_bhb_loop+0x50/0xa0 [ 32.785733][ T314] entry_SYSCALL_64_after_hwframe+0x76/0x7e [ 32.785754][ T314] RIP: 0033:0x7f4a64323527 [ 32.785768][ T314] Code: bf 41 4d 56 53 b8 9d 00 00 00 0f 05 83 f8 ea 75 a2 c7 05 64 85 09 00 00 00 00 00 eb 96 e8 b1 05 00 00 90 b8 a6 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 01 c3 48 c7 c2 d8 ff ff ff f7 d8 64 89 02 b8 [ 32.785781][ T314] RSP: 002b:00007ffd3d1bbeb8 EFLAGS: 00000206 ORIG_RAX: 00000000000000a6 [ 32.785798][ T314] RAX: 0000000000000000 RBX: 0000000000000000 RCX: 00007f4a64323527 [ 32.785809][ T314] RDX: 0000000000000000 RSI: 0000000000000009 RDI: 00007ffd3d1bbf70 [ 32.785820][ T314] RBP: 00007ffd3d1bbf70 R08: 00007ffd3d1bcf70 R09: 00000000ffffffff [ 32.785831][ T314] R10: 0000000000000000 R11: 0000000000000206 R12: 00007ffd3d1bcfe0 [ 32.785842][ T314] R13: 000055556f058730 R14: 00007ffd3d1bcfe0 R15: 0000000000000001 [ 32.785855][ T314] [ 32.785861][ T314] ================================================================== [ 33.044753][ T314] Disabling lock debugging due to kernel taint [ 33.050962][ T314] BUG: kernel NULL pointer dereference, address: 0000000000000168 [ 33.058787][ T314] #PF: supervisor write access in kernel mode [ 33.064858][ T314] #PF: error_code(0x0002) - not-present page [ 33.070830][ T314] PGD 0 P4D 0 [ 33.074211][ T314] Oops: Oops: 0002 [#1] PREEMPT SMP KASAN PTI [ 33.080278][ T314] CPU: 1 UID: 0 PID: 314 Comm: syz-executor276 Tainted: G B W syzkaller #0 60889c1c5e6bdc1f3cb1b6a230ba908545dccc71 [ 33.093647][ T314] Tainted: [B]=BAD_PAGE, [W]=WARN [ 33.098680][ T314] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026 [ 33.108733][ T314] RIP: 0010:ihold+0x2a/0x70 [ 33.113244][ T314] Code: f3 0f 1e fa 55 48 89 e5 41 56 53 48 89 fb e8 fd 17 95 ff 48 8d bb 68 01 00 00 be 04 00 00 00 e8 bc 02 ee ff 41 be 01 00 00 00 44 0f c1 b3 68 01 00 00 41 ff c6 bf 02 00 00 00 44 89 f6 e8 0d [ 33.133042][ T314] RSP: 0018:ffffc9000122fb88 EFLAGS: 00010246 [ 33.139109][ T314] RAX: ffff888106f8a600 RBX: 0000000000000000 RCX: ffff888106f8a600 [ 33.147075][ T314] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000 [ 33.155060][ T314] RBP: ffffc9000122fb98 R08: ffffffff88bbb947 R09: 1ffffffff1177728 [ 33.164203][ T314] R10: dffffc0000000000 R11: fffffbfff1177729 R12: 0000000000000000 [ 33.172193][ T314] R13: 0000000000000000 R14: 0000000000000001 R15: dffffc0000000000 [ 33.180168][ T314] FS: 000055556f0573c0(0000) GS:ffff8881f6f00000(0000) knlGS:0000000000000000 [ 33.189096][ T314] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 33.195777][ T314] CR2: 0000000000000168 CR3: 0000000123a78000 CR4: 00000000003526b0 [ 33.203771][ T314] Call Trace: [ 33.207059][ T314] [ 33.210000][ T314] vfs_rmdir+0x25c/0x560 [ 33.214262][ T314] incfs_kill_sb+0x102/0x220 [ 33.218858][ T314] deactivate_locked_super+0xd5/0x270 [ 33.224242][ T314] deactivate_super+0xb8/0xe0 [ 33.228946][ T314] cleanup_mnt+0x438/0x4d0 [ 33.233365][ T314] __cleanup_mnt+0x1d/0x40 [ 33.237789][ T314] task_work_run+0x1e5/0x260 [ 33.242386][ T314] ? __cfi_task_work_run+0x10/0x10 [ 33.247507][ T314] ? path_umount+0x34a/0xf60 [ 33.252099][ T314] ptrace_notify+0x25a/0x290 [ 33.256699][ T314] ? __cfi_ptrace_notify+0x10/0x10 [ 33.261819][ T314] ? putname+0x113/0x150 [ 33.266063][ T314] ? __x64_sys_umount+0x12e/0x180 [ 33.271084][ T314] ? __cfi___x64_sys_umount+0x10/0x10 [ 33.276457][ T314] syscall_exit_work+0x84/0x150 [ 33.281306][ T314] syscall_exit_to_user_mode_prepare+0x21/0x40 [ 33.287457][ T314] syscall_exit_to_user_mode+0x15/0xb0 [ 33.292941][ T314] do_syscall_64+0x63/0xf0 [ 33.297378][ T314] ? clear_bhb_loop+0x50/0xa0 [ 33.302070][ T314] entry_SYSCALL_64_after_hwframe+0x76/0x7e [ 33.307967][ T314] RIP: 0033:0x7f4a64323527 [ 33.312384][ T314] Code: bf 41 4d 56 53 b8 9d 00 00 00 0f 05 83 f8 ea 75 a2 c7 05 64 85 09 00 00 00 00 00 eb 96 e8 b1 05 00 00 90 b8 a6 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 01 c3 48 c7 c2 d8 ff ff ff f7 d8 64 89 02 b8 [ 33.331988][ T314] RSP: 002b:00007ffd3d1bbeb8 EFLAGS: 00000206 ORIG_RAX: 00000000000000a6 [ 33.340405][ T314] RAX: 0000000000000000 RBX: 0000000000000000 RCX: 00007f4a64323527 [ 33.348373][ T314] RDX: 0000000000000000 RSI: 0000000000000009 RDI: 00007ffd3d1bbf70 [ 33.356336][ T314] RBP: 00007ffd3d1bbf70 R08: 00007ffd3d1bcf70 R09: 00000000ffffffff [ 33.364314][ T314] R10: 0000000000000000 R11: 0000000000000206 R12: 00007ffd3d1bcfe0 [ 33.372368][ T314] R13: 000055556f058730 R14: 00007ffd3d1bcfe0 R15: 0000000000000001 [ 33.380340][ T314] [ 33.383352][ T314] Modules linked in: [ 33.387256][ T314] CR2: 0000000000000168 [ 33.391403][ T314] ---[ end trace 0000000000000000 ]--- [ 33.396852][ T314] RIP: 0010:ihold+0x2a/0x70 [ 33.401364][ T314] Code: f3 0f 1e fa 55 48 89 e5 41 56 53 48 89 fb e8 fd 17 95 ff 48 8d bb 68 01 00 00 be 04 00 00 00 e8 bc 02 ee ff 41 be 01 00 00 00 44 0f c1 b3 68 01 00 00 41 ff c6 bf 02 00 00 00 44 89 f6 e8 0d [ 33.421058][ T314] RSP: 0018:ffffc9000122fb88 EFLAGS: 00010246 [ 33.427129][ T314] RAX: ffff888106f8a600 RBX: 0000000000000000 RCX: ffff888106f8a600 [ 33.435107][ T314] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000 [ 33.443076][ T314] RBP: ffffc9000122fb98 R08: ffffffff88bbb947 R09: 1ffffffff1177728 [ 33.451047][ T314] R10: dffffc0000000000 R11: fffffbfff1177729 R12: 0000000000000000 [ 33.459016][ T314] R13: 0000000000000000 R14: 0000000000000001 R15: dffffc0000000000 [ 33.466986][ T314] FS: 000055556f0573c0(0000) GS:ffff8881f6f00000(0000) knlGS:0000000000000000 [ 33.475911][ T314] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 33.482508][ T314] CR2: 0000000000000168 CR3: 0000000123a78000 CR4: 00000000003526b0 [ 33.490482][ T314] Kernel panic - not syncing: Fatal exception [ 33.497161][ T314] Kernel Offset: disabled [ 33.501492][ T314] Rebooting in 86400 seconds..