./strace-static-x86_64 -e \!wait4,clock_nanosleep,nanosleep -s 100 -x -f ./syz-executor1921489043
<...>
Warning: Permanently added '10.128.1.7' (ED25519) to the list of known hosts.
execve("./syz-executor1921489043", ["./syz-executor1921489043"], 0x7ffd906092b0 /* 10 vars */) = 0
brk(NULL) = 0x555556efd000
brk(0x555556efdd00) = 0x555556efdd00
arch_prctl(ARCH_SET_FS, 0x555556efd380) = 0
set_tid_address(0x555556efd650) = 290
set_robust_list(0x555556efd660, 24) = 0
rseq(0x555556efdca0, 0x20, 0, 0x53053053) = -1 ENOSYS (Function not implemented)
prlimit64(0, RLIMIT_STACK, NULL, {rlim_cur=8192*1024, rlim_max=RLIM64_INFINITY}) = 0
readlink("/proc/self/exe", "/root/syz-executor1921489043", 4096) = 28
getrandom("\x84\x6a\x10\xfb\x1b\xa7\xcf\xa7", 8, GRND_NONBLOCK) = 8
brk(NULL) = 0x555556efdd00
brk(0x555556f1ed00) = 0x555556f1ed00
brk(0x555556f1f000) = 0x555556f1f000
mprotect(0x7f0ecc9bf000, 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, child_tidptr=0x555556efd650) = 291
./strace-static-x86_64: Process 291 attached
[pid 291] set_robust_list(0x555556efd660, 24) = 0
[pid 291] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 291] getppid() = 0
[pid 291] prlimit64(0, RLIMIT_AS, {rlim_cur=204800*1024, rlim_max=204800*1024}, NULL) = 0
[pid 291] prlimit64(0, RLIMIT_MEMLOCK, {rlim_cur=32768*1024, rlim_max=32768*1024}, NULL) = 0
[pid 291] prlimit64(0, RLIMIT_FSIZE, {rlim_cur=139264*1024, rlim_max=139264*1024}, NULL) = 0
[pid 291] prlimit64(0, RLIMIT_STACK, {rlim_cur=1024*1024, rlim_max=1024*1024}, NULL) = 0
[pid 291] prlimit64(0, RLIMIT_CORE, {rlim_cur=131072*1024, rlim_max=131072*1024}, NULL) = 0
[pid 291] prlimit64(0, RLIMIT_NOFILE, {rlim_cur=256, rlim_max=256}, NULL) = 0
[pid 291] unshare(CLONE_NEWNS) = 0
[pid 291] mount(NULL, "/", NULL, MS_REC|MS_PRIVATE, NULL) = 0
[pid 291] unshare(CLONE_NEWIPC) = -1 EINVAL (Invalid argument)
[pid 291] unshare(CLONE_NEWCGROUP) = 0
[pid 291] unshare(CLONE_NEWUTS) = 0
[pid 291] unshare(CLONE_SYSVSEM) = 0
[pid 291] openat(AT_FDCWD, "/proc/sys/kernel/shmmax", O_WRONLY|O_CLOEXEC) = -1 ENOENT (No such file or directory)
[pid 291] openat(AT_FDCWD, "/proc/sys/kernel/shmall", O_WRONLY|O_CLOEXEC) = -1 ENOENT (No such file or directory)
[pid 291] openat(AT_FDCWD, "/proc/sys/kernel/shmmni", O_WRONLY|O_CLOEXEC) = -1 ENOENT (No such file or directory)
[pid 291] openat(AT_FDCWD, "/proc/sys/kernel/msgmax", O_WRONLY|O_CLOEXEC) = -1 ENOENT (No such file or directory)
[pid 291] openat(AT_FDCWD, "/proc/sys/kernel/msgmni", O_WRONLY|O_CLOEXEC) = -1 ENOENT (No such file or directory)
[pid 291] openat(AT_FDCWD, "/proc/sys/kernel/msgmnb", O_WRONLY|O_CLOEXEC) = -1 ENOENT (No such file or directory)
[pid 291] openat(AT_FDCWD, "/proc/sys/kernel/sem", O_WRONLY|O_CLOEXEC) = -1 ENOENT (No such file or directory)
[pid 291] getpid() = 1
[pid 291] capget({version=_LINUX_CAPABILITY_VERSION_3, pid=1}, {effective=1<<CAP_CHOWN|1<<CAP_DAC_OVERRIDE|1<<CAP_DAC_READ_SEARCH|1<<CAP_FOWNER|1<<CAP_FSETID|1<<CAP_KILL|1<<CAP_SETGID|1<<CAP_SETUID|1<<CAP_SETPCAP|1<<CAP_LINUX_IMMUTABLE|1<<CAP_NET_BIND_SERVICE|1<<CAP_NET_BROADCAST|1<<CAP_NET_ADMIN|1<<CAP_NET_RAW|1<<CAP_IPC_LOCK|1<<CAP_IPC_OWNER|1<<CAP_SYS_MODULE|1<<CAP_SYS_RAWIO|1<<CAP_SYS_CHROOT|1<<CAP_SYS_PTRACE|1<<CAP_SYS_PACCT|1<<CAP_SYS_ADMIN|1<<CAP_SYS_BOOT|1<<CAP_SYS_NICE|1<<CAP_SYS_RESOURCE|1<<CAP_SYS_TIME|1<<CAP_SYS_TTY_CONFIG|1<<CAP_MKNOD|1<<CAP_LEASE|1<<CAP_AUDIT_WRITE|1<<CAP_AUDIT_CONTROL|1<<CAP_SETFCAP|1<<CAP_MAC_OVERRIDE|1<<CAP_MAC_ADMIN|1<<CAP_SYSLOG|1<<CAP_WAKE_ALARM|1<<CAP_BLOCK_SUSPEND|1<<CAP_AUDIT_READ|1<<CAP_PERFMON|1<<CAP_BPF|1<<CAP_CHECKPOINT_RESTORE, permitted=1<<CAP_CHOWN|1<<CAP_DAC_OVERRIDE|1<<CAP_DAC_READ_SEARCH|1<<CAP_FOWNER|1<<CAP_FSETID|1<<CAP_KILL|1<<CAP_SETGID|1<<CAP_SETUID|1<<CAP_SETPCAP|1<<CAP_LINUX_IMMUTABLE|1<<CAP_NET_BIND_SERVICE|1<<CAP_NET_BROADCAST|1<<CAP_NET_ADMIN|1<<CAP_NET_RAW|1<<CAP_IPC_LOCK|1<<CAP_IPC_OWNER|1<<CAP_SYS_MODULE|1<<CAP_SYS_RAWIO|1<<CAP_SYS_CHROOT|1<<CAP_SYS_PTRACE|1<<CAP_SYS_PACCT|1<<CAP_SYS_ADMIN|1<<CAP_SYS_BOOT|1<<CAP_SYS_NICE|1<<CAP_SYS_RESOURCE|1<<CAP_SYS_TIME|1<<CAP_SYS_TTY_CONFIG|1<<CAP_MKNOD|1<<CAP_LEASE|1<<CAP_AUDIT_WRITE|1<<CAP_AUDIT_CONTROL|1<<CAP_SETFCAP|1<<CAP_MAC_OVERRIDE|1<<CAP_MAC_ADMIN|1<<CAP_SYSLOG|1<<CAP_WAKE_ALARM|1<<CAP_BLOCK_SUSPEND|1<<CAP_AUDIT_READ|1<<CAP_PERFMON|1<<CAP_BPF|1<<CAP_CHECKPOINT_RESTORE, inheritable=0}) = 0
[pid 291] capset({version=_LINUX_CAPABILITY_VERSION_3, pid=1}, {effective=1<<CAP_CHOWN|1<<CAP_DAC_OVERRIDE|1<<CAP_DAC_READ_SEARCH|1<<CAP_FOWNER|1<<CAP_FSETID|1<<CAP_KILL|1<<CAP_SETGID|1<<CAP_SETUID|1<<CAP_SETPCAP|1<<CAP_LINUX_IMMUTABLE|1<<CAP_NET_BIND_SERVICE|1<<CAP_NET_BROADCAST|1<<CAP_NET_ADMIN|1<<CAP_NET_RAW|1<<CAP_IPC_LOCK|1<<CAP_IPC_OWNER|1<<CAP_SYS_MODULE|1<<CAP_SYS_RAWIO|1<<CAP_SYS_CHROOT|1<<CAP_SYS_PACCT|1<<CAP_SYS_ADMIN|1<<CAP_SYS_BOOT|1<<CAP_SYS_RESOURCE|1<<CAP_SYS_TIME|1<<CAP_SYS_TTY_CONFIG|1<<CAP_MKNOD|1<<CAP_LEASE|1<<CAP_AUDIT_WRITE|1<<CAP_AUDIT_CONTROL|1<<CAP_SETFCAP|1<<CAP_MAC_OVERRIDE|1<<CAP_MAC_ADMIN|1<<CAP_SYSLOG|1<<CAP_WAKE_ALARM|1<<CAP_BLOCK_SUSPEND|1<<CAP_AUDIT_READ|1<<CAP_PERFMON|1<<CAP_BPF|1<<CAP_CHECKPOINT_RESTORE, permitted=1<<CAP_CHOWN|1<<CAP_DAC_OVERRIDE|1<<CAP_DAC_READ_SEARCH|1<<CAP_FOWNER|1<<CAP_FSETID|1<<CAP_KILL|1<<CAP_SETGID|1<<CAP_SETUID|1<<CAP_SETPCAP|1<<CAP_LINUX_IMMUTABLE|1<<CAP_NET_BIND_SERVICE|1<<CAP_NET_BROADCAST|1<<CAP_NET_ADMIN|1<<CAP_NET_RAW|1<<CAP_IPC_LOCK|1<<CAP_IPC_OWNER|1<<CAP_SYS_MODULE|1<<CAP_SYS_RAWIO|1<<CAP_SYS_CHROOT|1<<CAP_SYS_PACCT|1<<CAP_SYS_ADMIN|1<<CAP_SYS_BOOT|1<<CAP_SYS_RESOURCE|1<<CAP_SYS_TIME|1<<CAP_SYS_TTY_CONFIG|1<<CAP_MKNOD|1<<CAP_LEASE|1<<CAP_AUDIT_WRITE|1<<CAP_AUDIT_CONTROL|1<<CAP_SETFCAP|1<<CAP_MAC_OVERRIDE|1<<CAP_MAC_ADMIN|1<<CAP_SYSLOG|1<<CAP_WAKE_ALARM|1<<CAP_BLOCK_SUSPEND|1<<CAP_AUDIT_READ|1<<CAP_PERFMON|1<<CAP_BPF|1<<CAP_CHECKPOINT_RESTORE, inheritable=0}) = 0
[pid 291] unshare(CLONE_NEWNET) = 0
[pid 291] openat(AT_FDCWD, "/proc/sys/net/ipv4/ping_group_range", O_WRONLY|O_CLOEXEC) = 3
[pid 291] write(3, "0 65535", 7) = 7
[pid 291] close(3) = 0
[pid 291] openat(AT_FDCWD, "/proc/sys/fs/mount-max", O_WRONLY|O_CLOEXEC) = 3
[pid 291] write(3, "100000", 6) = 6
[pid 291] close(3) = 0
[pid 291] mkdir("./syz-tmp", 0777) = 0
[pid 291] mount("", "./syz-tmp", "tmpfs", 0, NULL) = 0
[pid 291] mkdir("./syz-tmp/newroot", 0777) = 0
[pid 291] mkdir("./syz-tmp/newroot/dev", 0700) = 0
[pid 291] mount("/dev", "./syz-tmp/newroot/dev", NULL, MS_BIND|MS_REC|MS_PRIVATE, NULL) = 0
[pid 291] mkdir("./syz-tmp/newroot/proc", 0700) = 0
[pid 291] mount("syz-proc", "./syz-tmp/newroot/proc", "proc", 0, NULL) = 0
[pid 291] mkdir("./syz-tmp/newroot/selinux", 0700) = 0
[pid 291] mount("/selinux", "./syz-tmp/newroot/selinux", NULL, MS_BIND|MS_REC|MS_PRIVATE, NULL) = -1 ENOENT (No such file or directory)
[pid 291] mount("/sys/fs/selinux", "./syz-tmp/newroot/selinux", NULL, MS_BIND|MS_REC|MS_PRIVATE, NULL) = 0
[pid 291] mkdir("./syz-tmp/newroot/sys", 0700) = 0
[pid 291] mount("/sys", "./syz-tmp/newroot/sys", NULL, MS_BIND|MS_REC|MS_PRIVATE, NULL) = 0
[pid 291] mount("/sys/kernel/debug", "./syz-tmp/newroot/sys/kernel/debug", NULL, MS_BIND|MS_REC|MS_PRIVATE, NULL) = 0
[pid 291] mount("/sys/fs/smackfs", "./syz-tmp/newroot/sys/fs/smackfs", NULL, MS_BIND|MS_REC|MS_PRIVATE, NULL) = -1 ENOENT (No such file or directory)
[pid 291] mount("/proc/sys/fs/binfmt_misc", "./syz-tmp/newroot/proc/sys/fs/binfmt_misc", NULL, MS_BIND|MS_REC|MS_PRIVATE, NULL) = 0
[pid 291] mkdir("./syz-tmp/pivot", 0777) = 0
[pid 291] pivot_root("./syz-tmp", "./syz-tmp/pivot") = 0
[pid 291] chdir("/") = 0
[pid 291] umount2("./pivot", MNT_DETACH) = 0
[pid 291] chroot("./newroot") = 0
[pid 291] chdir("/") = 0
[pid 291] mkdir("/dev/binderfs", 0777) = 0
[pid 291] mount("binder", "/dev/binderfs", "binder", 0, NULL) = 0
[pid 291] symlink("/dev/binderfs", "./binderfs") = 0
[pid 291] mount(NULL, "/sys/fs/fuse/connections", "fusectl", 0, NULL) = -1 EBUSY (Device or resource busy)
[pid 291] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555556efd650) = 2
[ 23.356532][ T24] audit: type=1400 audit(1731427134.349:66): avc: denied { execmem } for pid=290 comm="syz-executor192" scontext=root:sysadm_r:sysadm_t tcontext=root:sysadm_r:sysadm_t tclass=process permissive=1
[ 23.375780][ T24] audit: type=1400 audit(1731427134.359:67): avc: denied { mounton } for pid=291 comm="syz-executor192" path="/" dev="sda1" ino=2 scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:root_t tclass=dir permissive=1
./strace-static-x86_64: Process 292 attached
[pid 292] set_robust_list(0x555556efd660, 24) = 0
[pid 292] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 292] setpgid(0, 0) = 0
[pid 292] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 292] write(3, "1000", 4) = 4
[pid 292] close(3) = 0
[pid 292] write(1, "executing program\n", 18executing program
) = 18
[pid 292] openat(AT_FDCWD, "./binderfs/binder0", O_RDONLY) = 3
[pid 292] ioctl(3, BINDER_SET_CONTEXT_MGR_EXT, 0x20000300) = 0
[pid 292] openat(AT_FDCWD, "./binderfs/binder0", O_RDONLY) = 4
[pid 292] openat(AT_FDCWD, "./binderfs/binder0", O_RDONLY) = 5
[pid 292] ioctl(5, BINDER_WRITE_READ, 0x20000000) = 0
[pid 292] dup3(5, 4, 0) = 4
[ 23.397326][ T24] audit: type=1400 audit(1731427134.379:68): avc: denied { mounton } for pid=291 comm="syz-executor192" path="/root/syz-tmp" dev="sda1" ino=1927 scontext=root:sysadm_r:sysadm_t tcontext=root:object_r:user_home_t tclass=dir permissive=1
[ 23.415120][ T292] binder: 292:292 unknown command 0
[ 23.420025][ T24] audit: type=1400 audit(1731427134.389:69): avc: denied { mount } for pid=291 comm="syz-executor192" name="/" dev="tmpfs" ino=1 scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:tmpfs_t tclass=filesystem permissive=1
[pid 292] ioctl(4, BINDER_WRITE_READ, 0x20000580) = -1 EINVAL (Invalid argument)
[pid 292] close(3) = 0
[pid 292] close(4) = 0
[ 23.420043][ T24] audit: type=1400 audit(1731427134.389:70): avc: denied { mounton } for pid=291 comm="syz-executor192" path="/root/syz-tmp/newroot/dev" dev="tmpfs" ino=3 scontext=root:sysadm_r:sysadm_t tcontext=root:object_r:user_tmpfs_t tclass=dir permissive=1
[ 23.425272][ T292] binder: 292:292 ioctl c0306201 20000580 returned -22
[ 23.447146][ T24] audit: type=1400 audit(1731427134.389:71): avc: denied { mount } for pid=291 comm="syz-executor192" name="/" dev="proc" ino=1 scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:proc_t tclass=filesystem permissive=1
[ 23.472294][ T25] ==================================================================
[ 23.477341][ T24] audit: type=1400 audit(1731427134.389:72): avc: denied { mounton } for pid=291 comm="syz-executor192" path="/root/syz-tmp/newroot/sys/kernel/debug" dev="debugfs" ino=1 scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:debugfs_t tclass=dir permissive=1
[ 23.498953][ T25] BUG: KASAN: use-after-free in __list_del_entry_valid+0x2f/0x120
[ 23.498963][ T25] Read of size 8 at addr ffff88810bc1c508 by task kworker/1:1/25
[ 23.498964][ T25]
[ 23.498974][ T25] CPU: 1 PID: 25 Comm: kworker/1:1 Not tainted 5.10.226-syzkaller-00001-g6a01908517df #0
[ 23.498979][ T25] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/13/2024
[ 23.498989][ T25] Workqueue: events binder_deferred_func
[ 23.499003][ T25] Call Trace:
[ 23.499014][ T25] dump_stack_lvl+0x1e2/0x24b
[ 23.499029][ T25] ? bfq_pos_tree_add_move+0x43b/0x43b
[ 23.506836][ T24] audit: type=1400 audit(1731427134.389:73): avc: denied { mounton } for pid=291 comm="syz-executor192" path="/root/syz-tmp/newroot/proc/sys/fs/binfmt_misc" dev="proc" ino=1955 scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:sysctl_fs_t tclass=dir permissive=1
[ 23.531825][ T25] ? panic+0x812/0x812
[ 23.531835][ T25] print_address_description+0x81/0x3b0
[ 23.531842][ T25] ? ____kasan_slab_free+0x12c/0x160
[ 23.531856][ T25] kasan_report+0x179/0x1c0
[ 23.539490][ T24] audit: type=1400 audit(1731427134.389:74): avc: denied { unmount } for pid=291 comm="syz-executor192" scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:fs_t tclass=filesystem permissive=1
[ 23.547106][ T25] ? __list_del_entry_valid+0x2f/0x120
[ 23.549288][ T24] audit: type=1400 audit(1731427134.399:75): avc: denied { mounton } for pid=291 comm="syz-executor192" path="/dev/binderfs" dev="devtmpfs" ino=509 scontext=root:sysadm_r:sysadm_t tcontext=root:object_r:device_t tclass=dir permissive=1
[ 23.558907][ T25] ? __list_del_entry_valid+0x2f/0x120
[ 23.558917][ T25] __asan_report_load8_noabort+0x14/0x20
[ 23.558932][ T25] __list_del_entry_valid+0x2f/0x120
[ 23.695437][ T25] binder_release_work+0xcd/0x680
[ 23.700284][ T25] binder_deferred_func+0x1847/0x1bc0
[ 23.705491][ T25] ? read_word_at_a_time+0x12/0x20
[ 23.710440][ T25] process_one_work+0x6dc/0xbd0
[ 23.715132][ T25] worker_thread+0xaea/0x1510
[ 23.719640][ T25] ? _raw_spin_lock+0x1b0/0x1b0
[ 23.724325][ T25] ? __kasan_check_read+0x11/0x20
[ 23.729189][ T25] kthread+0x34b/0x3d0
[ 23.733089][ T25] ? worker_clr_flags+0x180/0x180
[ 23.737950][ T25] ? kthread_blkcg+0xd0/0xd0
[ 23.742376][ T25] ret_from_fork+0x1f/0x30
[ 23.746627][ T25]
[ 23.748798][ T25] Allocated by task 292:
[ 23.752880][ T25] ____kasan_kmalloc+0xdb/0x110
[ 23.757571][ T25] __kasan_kmalloc+0x9/0x10
[ 23.761908][ T25] kmem_cache_alloc_trace+0x18a/0x2e0
[ 23.767113][ T25] binder_thread_write+0x9ce/0x6c70
[ 23.772145][ T25] binder_ioctl_write_read+0x216/0x6a80
[ 23.777527][ T25] binder_ioctl+0x314/0x1e00
[ 23.781959][ T25] __se_sys_ioctl+0x114/0x190
[ 23.786467][ T25] __x64_sys_ioctl+0x7b/0x90
[ 23.790893][ T25] do_syscall_64+0x34/0x70
[ 23.795234][ T25] entry_SYSCALL_64_after_hwframe+0x61/0xcb
[ 23.800954][ T25]
[ 23.803129][ T25] Freed by task 25:
[ 23.806775][ T25] kasan_set_track+0x4b/0x70
[ 23.811203][ T25] kasan_set_free_info+0x23/0x40
[ 23.815977][ T25] ____kasan_slab_free+0x121/0x160
[ 23.820927][ T25] __kasan_slab_free+0x11/0x20
[ 23.825528][ T25] slab_free_freelist_hook+0xc0/0x190
[ 23.830731][ T25] kfree+0xc3/0x270
[ 23.834377][ T25] binder_free_ref+0x128/0x260
[ 23.838984][ T25] binder_deferred_func+0x171c/0x1bc0
[ 23.844190][ T25] process_one_work+0x6dc/0xbd0
[ 23.848870][ T25] worker_thread+0xaea/0x1510
[ 23.853390][ T25] kthread+0x34b/0x3d0
[ 23.857289][ T25] ret_from_fork+0x1f/0x30
[ 23.861541][ T25]
[ 23.863710][ T25] The buggy address belongs to the object at ffff88810bc1c500
[ 23.863710][ T25] which belongs to the cache kmalloc-64 of size 64
[ 23.877437][ T25] The buggy address is located 8 bytes inside of
[ 23.877437][ T25] 64-byte region [ffff88810bc1c500, ffff88810bc1c540)
[ 23.890273][ T25] The buggy address belongs to the page:
[ 23.895751][ T25] page:ffffea00042f0700 refcount:1 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x10bc1c
[ 23.905806][ T25] flags: 0x4000000000000200(slab)
[ 23.910671][ T25] raw: 4000000000000200 ffffea00042e9cc0 0000000300000003 ffff888100043800
[ 23.919087][ T25] raw: 0000000000000000 0000000080200020 00000001ffffffff 0000000000000000
[ 23.927521][ T25] page dumped because: kasan: bad access detected
[ 23.933756][ T25] page_owner tracks the page as allocated
[ 23.939310][ T25] page last allocated via order 0, migratetype Unmovable, gfp_mask 0x12cc0(GFP_KERNEL|__GFP_NOWARN|__GFP_NORETRY), pid 1, ts 2517816005, free_ts 0
[ 23.953978][ T25] prep_new_page+0x166/0x180
[ 23.958401][ T25] get_page_from_freelist+0x2d8c/0x2f30
[ 23.963792][ T25] __alloc_pages_nodemask+0x435/0xaf0
[ 23.969164][ T25] new_slab+0x80/0x400
[ 23.973069][ T25] ___slab_alloc+0x302/0x4b0
[ 23.977495][ T25] __slab_alloc+0x63/0xa0
[ 23.981661][ T25] kmem_cache_alloc_trace+0x1bd/0x2e0
[ 23.986868][ T25] __list_lru_init+0xb0/0x550
[ 23.991387][ T25] binder_alloc_shrinker_init+0x1e/0x80
[ 23.996765][ T25] binder_init+0x1b/0x1de
[ 24.000928][ T25] do_one_initcall+0x189/0x620
[ 24.005534][ T25] do_initcall_level+0x186/0x304
[ 24.010303][ T25] do_initcalls+0x4e/0x8e
[ 24.014468][ T25] do_basic_setup+0x88/0x91
[ 24.018812][ T25] kernel_init_freeable+0x2be/0x3f5
[ 24.023842][ T25] kernel_init+0x11/0x280
[ 24.028004][ T25] page_owner free stack trace missing
[ 24.033233][ T25]
[ 24.035380][ T25] Memory state around the buggy address:
[ 24.040857][ T25] ffff88810bc1c400: 00 00 00 00 00 00 fc fc fc fc fc fc fc fc fc fc
[ 24.048752][ T25] ffff88810bc1c480: 00 00 00 00 00 00 00 00 fc fc fc fc fc fc fc fc
[ 24.056651][ T25] >ffff88810bc1c500: fa fb fb fb fb fb fb fb fc fc fc fc fc fc fc fc
[ 24.064543][ T25] ^
[ 24.068808][ T25] ffff88810bc1c580: 00 00 00 00 00 00 fc fc fc fc fc fc fc fc fc fc
[ 24.076707][ T25] ffff88810bc1c600: 00 00 00 00 00 00 00 00 fc fc fc fc fc fc fc fc
[ 24.084601][ T25] ==================================================================
[ 24.092536][ T25] Disabling lock debugging due to kernel taint
[ 24.098703][ T25] general protection fault, probably for non-canonical address 0xfbf7fc1e80000003: 0000 [#1] PREEMPT SMP KASAN
[ 24.110209][ T25] KASAN: maybe wild-memory-access in range [0xdfc000f400000018-0xdfc000f40000001f]
[ 24.119320][ T25] CPU: 1 PID: 25 Comm: kworker/1:1 Tainted: G B 5.10.226-syzkaller-00001-g6a01908517df #0
[ 24.130339][ T25] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/13/2024
[ 24.140237][ T25] Workqueue: events binder_deferred_func
[ 24.145706][ T25] RIP: 0010:__list_del_entry_valid+0x75/0x120
[ 24.151605][ T25] Code: 1e 48 85 db 74 68 4d 85 ff 74 74 48 ba 00 01 00 00 00 00 ad de 48 39 d3 74 76 48 83 c2 22 49 39 d7 74 7e 4c 89 f8 48 c1 e8 03 <42> 80 3c 20 00 74 08 4c 89 ff e8 9c 9a 51 ff 49 8b 17 4c 39 f2 75
[ 24.171047][ T25] RSP: 0018:ffffc900001afc20 EFLAGS: 00010a06
[ 24.176947][ T25] RAX: 1bf8001e80000003 RBX: ffff88810be96700 RCX: ffffffff8256ad19
[ 24.184760][ T25] RDX: dead000000000122 RSI: 0000000000000286 RDI: ffff88810bc1c500
[ 24.192587][ T25] RBP: ffffc900001afc40 R08: ffffffff813e2a7b R09: 0000000000000003
[ 24.200406][ T25] R10: fffffbfff0e10e48 R11: dffffc0000000001 R12: dffffc0000000000
[ 24.208284][ T25] R13: ffff88810bc1c500 R14: ffff88810bc1c500 R15: dfc000f400000019
[ 24.216090][ T25] FS: 0000000000000000(0000) GS:ffff8881f7100000(0000) knlGS:0000000000000000
[ 24.224856][ T25] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 24.231276][ T25] CR2: 00007f0ecc9c30d0 CR3: 000000010bcb0000 CR4: 00000000003506a0
[ 24.239088][ T25] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[ 24.246899][ T25] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[ 24.254706][ T25] Call Trace:
[ 24.257846][ T25] ? __die_body+0x62/0xb0
[ 24.262003][ T25] ? die_addr+0x9f/0xd0
[ 24.265996][ T25] ? exc_general_protection+0x3ff/0x490
[ 24.271383][ T25] ? check_panic_on_warn+0x65/0xb0
[ 24.276325][ T25] ? asm_exc_general_protection+0x1e/0x30
[ 24.281880][ T25] ? check_panic_on_warn+0x5b/0xb0
[ 24.286828][ T25] ? __list_del_entry_valid+0x49/0x120
[ 24.292119][ T25] ? __list_del_entry_valid+0x75/0x120
[ 24.297415][ T25] binder_release_work+0xcd/0x680
[ 24.302276][ T25] binder_deferred_func+0x1847/0x1bc0
[ 24.307494][ T25] ? read_word_at_a_time+0x12/0x20
[ 24.312431][ T25] process_one_work+0x6dc/0xbd0
[ 24.317116][ T25] worker_thread+0xaea/0x1510
[ 24.321631][ T25] ? _raw_spin_lock+0x1b0/0x1b0
[ 24.326319][ T25] ? __kasan_check_read+0x11/0x20
[ 24.331177][ T25] kthread+0x34b/0x3d0
[ 24.335082][ T25] ? worker_clr_flags+0x180/0x180
[ 24.339943][ T25] ? kthread_blkcg+0xd0/0xd0
[ 24.344551][ T25] ret_from_fork+0x1f/0x30
[ 24.348820][ T25] Modules linked in:
[ 24.352720][ T25] ---[ end trace b637c835e9438273 ]---
[pid 292] close(5) = 0
[pid 292] close(6) = -1 EBADF (Bad file descriptor)
[pid 292] close(7) = -1 EBADF (Bad file descriptor)
[pid 292] close(8) = -1 EBADF (Bad file descriptor)
[pid 292] close(9) = -1 EBADF (Bad file descriptor)
[pid 292] close(10) = -1 EBADF (Bad file descriptor)
[pid 292] close(11) = -1 EBADF (Bad file descriptor)
[pid 292] close(12) = -1 EBADF (Bad file descriptor)
[pid 292] close(13) = -1 EBADF (Bad file descriptor)
[pid 292] close(14) = -1 EBADF (Bad file descriptor)
[pid 292] close(15) = -1 EBADF (Bad file descriptor)
[pid 292] close(16) = -1 EBADF (Bad file descriptor)
[pid 292] close(17) = -1 EBADF (Bad file descriptor)
[pid 292] close(18) = -1 EBADF (Bad file descriptor)
[pid 292] close(19) = -1 EBADF (Bad file descriptor)
[pid 292] close(20) = -1 EBADF (Bad file descriptor)
[pid 292] close(21) = -1 EBADF (Bad file descriptor)
[pid 292] close(22) = -1 EBADF (Bad file descriptor)
[pid 292] close(23) = -1 EBADF (Bad file descriptor)
[pid 292] close(24) = -1 EBADF (Bad file descriptor)
[pid 292] close(25) = -1 EBADF (Bad file descriptor)
[pid 292] close(26) = -1 EBADF (Bad file descriptor)
[pid 292] close(27) = -1 EBADF (Bad file descriptor)
[pid 292] close(28) = -1 EBADF (Bad file descriptor)
[pid 292] close(29) = -1 EBADF (Bad file descriptor)
[pid 292] exit_group(0) = ?
[pid 292] +++ exited with 0 +++
[pid 291] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=2, si_uid=0, si_status=0, si_utime=0, si_stime=2} ---
[pid 291] restart_syscall(<... resuming interrupted clone ...>) = 0
[pid 291] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555556efd650) = 3
./strace-static-x86_64: Process 294 attached
[pid 294] set_robust_list(0x555556efd660, 24) = 0
[pid 294] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 294] setpgid(0, 0) = 0
[pid 294] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 294] write(3, "1000", 4) = 4
[pid 294] close(3executing program
) = 0
[pid 294] write(1, "executing program\n", 18) = 18
[pid 294] openat(AT_FDCWD, "./binderfs/binder0", O_RDONLY) = 3
[pid 294] ioctl(3, BINDER_SET_CONTEXT_MGR_EXT, 0x20000300) = 0
[pid 294] openat(AT_FDCWD, "./binderfs/binder0", O_RDONLY) = 4
[pid 294] openat(AT_FDCWD, "./binderfs/binder0", O_RDONLY) = 5
[pid 294] ioctl(5, BINDER_WRITE_READ, 0x20000000) = 0
[pid 294] dup3(5, 4, 0) = 4
[ 24.358132][ T25] RIP: 0010:__list_del_entry_valid+0x75/0x120
[ 24.363989][ T25] Code: 1e 48 85 db 74 68 4d 85 ff 74 74 48 ba 00 01 00 00 00 00 ad de 48 39 d3 74 76 48 83 c2 22 49 39 d7 74 7e 4c 89 f8 48 c1 e8 03 <42> 80 3c 20 00 74 08 4c 89 ff e8 9c 9a 51 ff 49 8b 17 4c 39 f2 75
[ 24.383584][ T25] RSP: 0018:ffffc900001afc20 EFLAGS: 00010a06
[ 24.389718][ T25] RAX: 1bf8001e80000003 RBX: ffff88810be96700 RCX: ffffffff8256ad19
[ 24.393203][ T294] binder: 294:294 unknown command 0
[ 24.397874][ T25] RDX: dead000000000122 RSI: 0000000000000286 RDI: ffff88810bc1c500
[pid 294] ioctl(4, BINDER_WRITE_READ, 0x20000580) = -1 EINVAL (Invalid argument)
[pid 294] close(3) = 0
[pid 294] close(4) = 0
[pid 294] close(5) = 0
[pid 294] close(6) = -1 EBADF (Bad file descriptor)
[pid 294] close(7) = -1 EBADF (Bad file descriptor)
[pid 294] close(8) = -1 EBADF (Bad file descriptor)
[pid 294] close(9) = -1 EBADF (Bad file descriptor)
[pid 294] close(10) = -1 EBADF (Bad file descriptor)
[pid 294] close(11) = -1 EBADF (Bad file descriptor)
[pid 294] close(12) = -1 EBADF (Bad file descriptor)
[pid 294] close(13) = -1 EBADF (Bad file descriptor)
[pid 294] close(14) = -1 EBADF (Bad file descriptor)
[pid 294] close(15) = -1 EBADF (Bad file descriptor)
[pid 294] close(16) = -1 EBADF (Bad file descriptor)
[pid 294] close(17) = -1 EBADF (Bad file descriptor)
[pid 294] close(18) = -1 EBADF (Bad file descriptor)
[pid 294] close(19) = -1 EBADF (Bad file descriptor)
[pid 294] close(20) = -1 EBADF (Bad file descriptor)
[pid 294] close(21) = -1 EBADF (Bad file descriptor)
[pid 294] close(22) = -1 EBADF (Bad file descriptor)
[pid 294] close(23) = -1 EBADF (Bad file descriptor)
[pid 294] close(24) = -1 EBADF (Bad file descriptor)
[pid 294] close(25) = -1 EBADF (Bad file descriptor)
[pid 294] close(26) = -1 EBADF (Bad file descriptor)
[pid 294] close(27) = -1 EBADF (Bad file descriptor)
[pid 294] close(28) = -1 EBADF (Bad file descriptor)
[pid 294] close(29) = -1 EBADF (Bad file descriptor)
[pid 294] exit_group(0) = ?
[pid 294] +++ exited with 0 +++
[pid 291] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3, si_uid=0, si_status=0, si_utime=0, si_stime=1} ---
[pid 291] restart_syscall(<... resuming interrupted clone ...>) = 0
[pid 291] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555556efd650) = 4
./strace-static-x86_64: Process 295 attached
executing program
[pid 295] set_robust_list(0x555556efd660, 24) = 0
[pid 295] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 295] setpgid(0, 0) = 0
[pid 295] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 295] write(3, "1000", 4) = 4
[pid 295] close(3) = 0
[pid 295] write(1, "executing program\n", 18) = 18
[pid 295] openat(AT_FDCWD, "./binderfs/binder0", O_RDONLY) = 3
[pid 295] ioctl(3, BINDER_SET_CONTEXT_MGR_EXT, 0x20000300) = -1 EBUSY (Device or resource busy)
[pid 295] openat(AT_FDCWD, "./binderfs/binder0", O_RDONLY) = 4
[pid 295] openat(AT_FDCWD, "./binderfs/binder0", O_RDONLY) = 5
[pid 295] ioctl(5, BINDER_WRITE_READ, 0x20000000) = 0
[pid 295] dup3(5, 4, 0) = 4
[ 24.402936][ T294] binder: 294:294 ioctl c0306201 20000580 returned -22
[ 24.410455][ T25] RBP: ffffc900001afc40 R08: ffffffff813e2a7b R09: 0000000000000003
[ 24.424872][ T25] R10: fffffbfff0e10e48 R11: dffffc0000000001 R12: dffffc0000000000
[ 24.430396][ T295] binder: BINDER_SET_CONTEXT_MGR already set
[ 24.433525][ T25] R13: ffff88810bc1c500 R14: ffff88810bc1c500 R15: dfc000f400000019
[ 24.438888][ T295] binder: 295:295 ioctl 4018620d 20000300 returned -16
[ 24.446281][ T25] FS: 0000000000000000(0000) GS:ffff8881f7100000(0000) knlGS:0000000000000000
[pid 295] ioctl(4, BINDER_WRITE_READ, 0x20000580) = -1 EINVAL (Invalid argument)
[pid 295] close(3) = 0
[pid 295] close(4) = 0
[pid 295] close(5) = 0
[pid 295] close(6) = -1 EBADF (Bad file descriptor)
[pid 295] close(7) = -1 EBADF (Bad file descriptor)
[pid 295] close(8) = -1 EBADF (Bad file descriptor)
[pid 295] close(9) = -1 EBADF (Bad file descriptor)
[pid 295] close(10) = -1 EBADF (Bad file descriptor)
[pid 295] close(11) = -1 EBADF (Bad file descriptor)
[pid 295] close(12) = -1 EBADF (Bad file descriptor)
[pid 295] close(13) = -1 EBADF (Bad file descriptor)
[pid 295] close(14) = -1 EBADF (Bad file descriptor)
[pid 295] close(15) = -1 EBADF (Bad file descriptor)
[pid 295] close(16) = -1 EBADF (Bad file descriptor)
[pid 295] close(17) = -1 EBADF (Bad file descriptor)
[pid 295] close(18) = -1 EBADF (Bad file descriptor)
[pid 295] close(19) = -1 EBADF (Bad file descriptor)
[pid 295] close(20) = -1 EBADF (Bad file descriptor)
[pid 295] close(21) = -1 EBADF (Bad file descriptor)
[pid 295] close(22) = -1 EBADF (Bad file descriptor)
[pid 295] close(23) = -1 EBADF (Bad file descriptor)
[pid 295] close(24) = -1 EBADF (Bad file descriptor)
[pid 295] close(25) = -1 EBADF (Bad file descriptor)
[pid 295] close(26) = -1 EBADF (Bad file descriptor)
[pid 295] close(27) = -1 EBADF (Bad file descriptor)
[pid 295] close(28) = -1 EBADF (Bad file descriptor)
[pid 295] close(29) = -1 EBADF (Bad file descriptor)
[pid 295] exit_group(0) = ?
[pid 295] +++ exited with 0 +++
[pid 291] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=4, si_uid=0, si_status=0, si_utime=0, si_stime=4} ---
[pid 291] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555556efd650) = 5
./strace-static-x86_64: Process 296 attached
[pid 296] set_robust_list(0x555556efd660, 24) = 0
[pid 296] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 296] setpgid(0, 0) = 0
[pid 296] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 296] write(3, "1000", 4) = 4
[pid 296] close(3) = 0
executing program
[pid 296] write(1, "executing program\n", 18) = 18
[pid 296] openat(AT_FDCWD, "./binderfs/binder0", O_RDONLY) = 3
[ 24.454670][ T295] binder: 295:295 unknown command 0
[ 24.461997][ T25] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 24.467158][ T295] binder: 295:295 ioctl c0306201 20000580 returned -22
[ 24.473203][ T25] CR2: 00007f0ecc9c30d0 CR3: 000000000660f000 CR4: 00000000003506a0
[ 24.473216][ T25] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[ 24.489526][ T296] binder: BINDER_SET_CONTEXT_MGR already set
[ 24.496127][ T25] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[pid 296] ioctl(3, BINDER_SET_CONTEXT_MGR_EXT, 0x20000300) = -1 EBUSY (Device or resource busy)
[pid 296] openat(AT_FDCWD, "./binderfs/binder0", O_RDONLY) = 4
[pid 296] openat(AT_FDCWD, "./binderfs/binder0", O_RDONLY) = 5
[pid 296] ioctl(5, BINDER_WRITE_READ, 0x20000000) = 0
[pid 296] dup3(5, 4, 0) = 4
[ 24.502135][ T296] binder: 296:296 ioctl 4018620d 20000300 returned -16
[ 24.509597][ T25] Kernel panic - not syncing: Fatal exception
[ 24.518013][ T296] binder: 296:296 unknown command 0
[ 24.522371][ T25] Kernel Offset: disabled
[ 24.531528][ T25] Rebooting in 86400 seconds..