ci2-android-6-12-rust/strace-static-x86_64 -e \!wait4,clock_nanosleep,nanosleep -s 100 -x -f ci2-android-6-12-rust/syz-executor504576806 <...> Warning: Permanently added '10.128.0.32' (ED25519) to the list of known hosts. execve("ci2-android-6-12-rust/syz-executor504576806", ["ci2-android-6-12-rust/syz-executor504576806"], 0x7ffc0506d730 /* 10 vars */) = 0 brk(NULL) = 0x555572f40000 brk(0x555572f40d40) = 0x555572f40d40 arch_prctl(ARCH_SET_FS, 0x555572f403c0) = 0 set_tid_address(0x555572f40690) = 313 set_robust_list(0x555572f406a0, 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-executor504576806", 4096) = 49 getrandom("\x90\xd9\xfb\x31\x54\x73\xf9\x90", 8, GRND_NONBLOCK) = 8 brk(NULL) = 0x555572f40d40 brk(0x555572f61d40) = 0x555572f61d40 brk(0x555572f62000) = 0x555572f62000 mprotect(0x7f6c7383f000, 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("\xbc\xcf\xc6\xd2\xe0\xba\x31\xcb", 8, GRND_NONBLOCK) = 8 mkdir("./syzkaller.OKXx5K", 0700) = 0 chmod("./syzkaller.OKXx5K", 0777) = 0 chdir("./syzkaller.OKXx5K") = 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=0x555572f40690) = 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(0x555572f406a0, 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 [ 27.047146][ T314] RSP: 0018:ffffc9000124fb48 EFLAGS: 00010293 [ 27.053306][ T314] RAX: ffffffff81f5228e RBX: ffff88812b2b6958 RCX: ffff88812b30a780 [ 27.061335][ T314] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000 [ 27.069341][ T314] RBP: ffffc9000124fb70 R08: 0000000000000003 R09: 0000000000000004 [ 27.077314][ T314] R10: dffffc0000000000 R11: fffff52000249f58 R12: dffffc0000000000 [ 27.085355][ T314] R13: 1ffff11025656d34 R14: ffff88812b2b69a0 R15: 0000000000000000 [ 27.093368][ T314] FS: 0000555572f403c0(0000) GS:ffff8881f6c00000(0000) knlGS:0000000000000000 [ 27.102356][ T314] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 27.108978][ T314] CR2: 0000555572f517a8 CR3: 0000000106f50000 CR4: 00000000003526b0 [ 27.116959][ T314] Call Trace: [ 27.120392][ T314] [ 27.123348][ T314] shmem_rmdir+0x5f/0x90 [ 27.127607][ T314] vfs_rmdir+0x3db/0x560 [ 27.131922][ T314] incfs_kill_sb+0x102/0x220 [ 27.136992][ T314] deactivate_locked_super+0xd5/0x270 [ 27.142424][ T314] deactivate_super+0xb8/0xe0 [ 27.147129][ T314] cleanup_mnt+0x438/0x4d0 [ 27.151613][ T314] __cleanup_mnt+0x1d/0x40 [ 27.156055][ T314] task_work_run+0x1e8/0x260 [ 27.160720][ T314] ? __cfi_task_work_run+0x10/0x10 [ 27.165884][ T314] ? path_umount+0x34a/0xf60 [ 27.170534][ T314] ptrace_notify+0x25a/0x290 [ 27.175158][ T314] ? __cfi_ptrace_notify+0x10/0x10 [ 27.180346][ T314] ? putname+0x113/0x150 [ 27.184623][ T314] ? __x64_sys_umount+0x12e/0x180 [ 27.189721][ T314] ? __cfi___x64_sys_umount+0x10/0x10 [ 27.195227][ T314] syscall_exit_work+0x84/0x150 [ 27.200135][ T314] syscall_exit_to_user_mode_prepare+0x21/0x40 [ 27.206414][ T314] syscall_exit_to_user_mode+0x15/0xb0 [ 27.212015][ T314] do_syscall_64+0x63/0xf0 [ 27.216461][ T314] ? clear_bhb_loop+0x50/0xa0 [ 27.221200][ T314] entry_SYSCALL_64_after_hwframe+0x76/0x7e [ 27.227149][ T314] RIP: 0033:0x7f6c737ac527 [ 27.231653][ 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 [ 27.251407][ T314] RSP: 002b:00007ffd194dc2d8 EFLAGS: 00000206 ORIG_RAX: 00000000000000a6 [ 27.259888][ T314] RAX: 0000000000000000 RBX: 0000000000000000 RCX: 00007f6c737ac527 [ 27.267887][ T314] RDX: 0000000000000000 RSI: 0000000000000009 RDI: 00007ffd194dc390 [ 27.275926][ T314] RBP: 00007ffd194dc390 R08: 00007ffd194dd390 R09: 00000000ffffffff [ 27.283977][ T314] R10: 0000000000000000 R11: 0000000000000206 R12: 00007ffd194dd400 [ 27.292030][ T314] R13: 0000555572f41730 R14: 00007ffd194dd400 R15: 0000000000000001 [ 27.300073][ T314] [ 27.303105][ T314] ---[ end trace 0000000000000000 ]--- [ 27.308792][ T314] ================================================================== [ 27.316896][ T314] BUG: KASAN: null-ptr-deref in ihold+0x24/0x70 [ 27.323156][ T314] Write of size 4 at addr 0000000000000168 by task syz-executor504/314 [ 27.331595][ T314] [ 27.333950][ T314] CPU: 0 UID: 0 PID: 314 Comm: syz-executor504 Tainted: G W syzkaller #0 ff996278633adec6fd25d1632b496761701c4fe9 [ 27.333975][ T314] Tainted: [W]=WARN [ 27.333980][ T314] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/15/2026 [ 27.333991][ T314] Call Trace: [ 27.333998][ T314] [ 27.334005][ T314] __dump_stack+0x21/0x30 [ 27.334023][ T314] dump_stack_lvl+0x140/0x1c0 [ 27.334038][ T314] ? __cfi_dump_stack_lvl+0x10/0x10 [ 27.334054][ T314] print_report+0x3d/0x70 [ 27.334069][ T314] kasan_report+0x162/0x1a0 [ 27.334087][ T314] ? ihold+0x24/0x70 [ 27.334103][ T314] ? ihold+0x24/0x70 [ 27.334119][ T314] kasan_check_range+0x25a/0x2b0 [ 27.334137][ T314] __kasan_check_write+0x18/0x20 [ 27.334160][ T314] ihold+0x24/0x70 [ 27.334175][ T314] vfs_rmdir+0x25c/0x560 [ 27.334195][ T314] incfs_kill_sb+0x102/0x220 [ 27.334210][ T314] deactivate_locked_super+0xd5/0x270 [ 27.334232][ T314] deactivate_super+0xb8/0xe0 [ 27.334251][ T314] cleanup_mnt+0x438/0x4d0 [ 27.334269][ T314] __cleanup_mnt+0x1d/0x40 [ 27.334285][ T314] task_work_run+0x1e8/0x260 [ 27.334309][ T314] ? __cfi_task_work_run+0x10/0x10 [ 27.334332][ T314] ? path_umount+0x34a/0xf60 [ 27.334355][ T314] ptrace_notify+0x25a/0x290 [ 27.334369][ T314] ? __cfi_ptrace_notify+0x10/0x10 [ 27.334383][ T314] ? putname+0x113/0x150 [ 27.334398][ T314] ? __x64_sys_umount+0x12e/0x180 [ 27.334420][ T314] ? __cfi___x64_sys_umount+0x10/0x10 [ 27.334442][ T314] syscall_exit_work+0x84/0x150 [ 27.334463][ T314] syscall_exit_to_user_mode_prepare+0x21/0x40 [ 27.334485][ T314] syscall_exit_to_user_mode+0x15/0xb0 [ 27.334518][ T314] do_syscall_64+0x63/0xf0 [ 27.334534][ T314] ? clear_bhb_loop+0x50/0xa0 [ 27.334556][ T314] entry_SYSCALL_64_after_hwframe+0x76/0x7e [ 27.334578][ T314] RIP: 0033:0x7f6c737ac527 [ 27.334592][ 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 [ 27.334604][ T314] RSP: 002b:00007ffd194dc2d8 EFLAGS: 00000206 ORIG_RAX: 00000000000000a6 [ 27.334621][ T314] RAX: 0000000000000000 RBX: 0000000000000000 RCX: 00007f6c737ac527 [ 27.334631][ T314] RDX: 0000000000000000 RSI: 0000000000000009 RDI: 00007ffd194dc390 [ 27.334641][ T314] RBP: 00007ffd194dc390 R08: 00007ffd194dd390 R09: 00000000ffffffff [ 27.334652][ T314] R10: 0000000000000000 R11: 0000000000000206 R12: 00007ffd194dd400 [ 27.334663][ T314] R13: 0000555572f41730 R14: 00007ffd194dd400 R15: 0000000000000001 [ 27.334676][ T314] [ 27.334681][ T314] ================================================================== [ 27.593576][ T314] Disabling lock debugging due to kernel taint [ 27.599802][ T314] BUG: kernel NULL pointer dereference, address: 0000000000000168 [ 27.607629][ T314] #PF: supervisor write access in kernel mode [ 27.613729][ T314] #PF: error_code(0x0002) - not-present page [ 27.619706][ T314] PGD 0 P4D 0 [ 27.623172][ T314] Oops: Oops: 0002 [#1] PREEMPT SMP KASAN PTI [ 27.629238][ T314] CPU: 0 UID: 0 PID: 314 Comm: syz-executor504 Tainted: G B W syzkaller #0 ff996278633adec6fd25d1632b496761701c4fe9 [ 27.642614][ T314] Tainted: [B]=BAD_PAGE, [W]=WARN [ 27.647627][ T314] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/15/2026 [ 27.657679][ T314] RIP: 0010:ihold+0x2a/0x70 [ 27.662191][ T314] Code: f3 0f 1e fa 55 48 89 e5 41 56 53 48 89 fb e8 2d 3e 94 ff 48 8d bb 68 01 00 00 be 04 00 00 00 e8 fc fd ed 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 3d [ 27.681857][ T314] RSP: 0018:ffffc9000124fb88 EFLAGS: 00010246 [ 27.687935][ T314] RAX: ffff88812b30a700 RBX: 0000000000000000 RCX: ffff88812b30a780 [ 27.695920][ T314] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000 [ 27.703897][ T314] RBP: ffffc9000124fb98 R08: ffffffff893d8967 R09: 1ffffffff127b12c [ 27.711956][ T314] R10: dffffc0000000000 R11: fffffbfff127b12d R12: 0000000000000000 [ 27.719927][ T314] R13: 0000000000000000 R14: 0000000000000001 R15: dffffc0000000000 [ 27.727896][ T314] FS: 0000555572f403c0(0000) GS:ffff8881f6c00000(0000) knlGS:0000000000000000 [ 27.736915][ T314] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 27.743847][ T314] CR2: 0000000000000168 CR3: 0000000106f50000 CR4: 00000000003526b0 [ 27.751885][ T314] Call Trace: [ 27.755179][ T314] [ 27.758121][ T314] vfs_rmdir+0x25c/0x560 [ 27.762378][ T314] incfs_kill_sb+0x102/0x220 [ 27.766983][ T314] deactivate_locked_super+0xd5/0x270 [ 27.772382][ T314] deactivate_super+0xb8/0xe0 [ 27.777081][ T314] cleanup_mnt+0x438/0x4d0 [ 27.781512][ T314] __cleanup_mnt+0x1d/0x40 [ 27.785929][ T314] task_work_run+0x1e8/0x260 [ 27.790529][ T314] ? __cfi_task_work_run+0x10/0x10 [ 27.795649][ T314] ? path_umount+0x34a/0xf60 [ 27.800247][ T314] ptrace_notify+0x25a/0x290 [ 27.804836][ T314] ? __cfi_ptrace_notify+0x10/0x10 [ 27.809973][ T314] ? putname+0x113/0x150 [ 27.814242][ T314] ? __x64_sys_umount+0x12e/0x180 [ 27.819284][ T314] ? __cfi___x64_sys_umount+0x10/0x10 [ 27.824662][ T314] syscall_exit_work+0x84/0x150 [ 27.829515][ T314] syscall_exit_to_user_mode_prepare+0x21/0x40 [ 27.835672][ T314] syscall_exit_to_user_mode+0x15/0xb0 [ 27.841137][ T314] do_syscall_64+0x63/0xf0 [ 27.845574][ T314] ? clear_bhb_loop+0x50/0xa0 [ 27.850254][ T314] entry_SYSCALL_64_after_hwframe+0x76/0x7e [ 27.856151][ T314] RIP: 0033:0x7f6c737ac527 [ 27.860564][ 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 [ 27.880186][ T314] RSP: 002b:00007ffd194dc2d8 EFLAGS: 00000206 ORIG_RAX: 00000000000000a6 [ 27.888603][ T314] RAX: 0000000000000000 RBX: 0000000000000000 RCX: 00007f6c737ac527 [ 27.896576][ T314] RDX: 0000000000000000 RSI: 0000000000000009 RDI: 00007ffd194dc390 [ 27.904545][ T314] RBP: 00007ffd194dc390 R08: 00007ffd194dd390 R09: 00000000ffffffff [ 27.912514][ T314] R10: 0000000000000000 R11: 0000000000000206 R12: 00007ffd194dd400 [ 27.920497][ T314] R13: 0000555572f41730 R14: 00007ffd194dd400 R15: 0000000000000001 [ 27.928470][ T314] [ 27.931491][ T314] Modules linked in: [ 27.935405][ T314] CR2: 0000000000000168 [ 27.939563][ T314] ---[ end trace 0000000000000000 ]--- [ 27.945024][ T314] RIP: 0010:ihold+0x2a/0x70 [ 27.949537][ T314] Code: f3 0f 1e fa 55 48 89 e5 41 56 53 48 89 fb e8 2d 3e 94 ff 48 8d bb 68 01 00 00 be 04 00 00 00 e8 fc fd ed 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 3d [ 27.969149][ T314] RSP: 0018:ffffc9000124fb88 EFLAGS: 00010246 [ 27.975237][ T314] RAX: ffff88812b30a700 RBX: 0000000000000000 RCX: ffff88812b30a780 [ 27.983272][ T314] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000 [ 27.991257][ T314] RBP: ffffc9000124fb98 R08: ffffffff893d8967 R09: 1ffffffff127b12c [ 27.999233][ T314] R10: dffffc0000000000 R11: fffffbfff127b12d R12: 0000000000000000 [ 28.007204][ T314] R13: 0000000000000000 R14: 0000000000000001 R15: dffffc0000000000 [ 28.015194][ T314] FS: 0000555572f403c0(0000) GS:ffff8881f6c00000(0000) knlGS:0000000000000000 [ 28.024123][ T314] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 28.030720][ T314] CR2: 0000000000000168 CR3: 0000000106f50000 CR4: 00000000003526b0 [ 28.038697][ T314] Kernel panic - not syncing: Fatal exception [ 28.046369][ T314] Kernel Offset: disabled [ 28.050708][ T314] Rebooting in 86400 seconds..