./strace-static-x86_64 -e \!wait4,clock_nanosleep,nanosleep -s 100 -x -f ./syz-executor1120901320 <...> [ 102.739838][ T8] cfg80211: failed to load regulatory.db Warning: Permanently added '10.128.1.42' (ED25519) to the list of known hosts. execve("./syz-executor1120901320", ["./syz-executor1120901320"], 0x7ffcae7f0710 /* 10 vars */) = 0 brk(NULL) = 0x555583fa7000 brk(0x555583fa7d00) = 0x555583fa7d00 arch_prctl(ARCH_SET_FS, 0x555583fa7380) = 0 set_tid_address(0x555583fa7650) = 5085 set_robust_list(0x555583fa7660, 24) = 0 rseq(0x555583fa7ca0, 0x20, 0, 0x53053053) = 0 prlimit64(0, RLIMIT_STACK, NULL, {rlim_cur=8192*1024, rlim_max=RLIM64_INFINITY}) = 0 readlink("/proc/self/exe", "/root/syz-executor1120901320", 4096) = 28 getrandom("\x95\x0b\x3f\x25\xbf\x72\x52\x8a", 8, GRND_NONBLOCK) = 8 brk(NULL) = 0x555583fa7d00 brk(0x555583fc8d00) = 0x555583fc8d00 brk(0x555583fc9000) = 0x555583fc9000 mprotect(0x7f2a391a8000, 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 mkdir("./syzkaller.aquwdM", 0700) = 0 chmod("./syzkaller.aquwdM", 0777) = 0 chdir("./syzkaller.aquwdM") = 0 unshare(CLONE_NEWPID) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555583fa7650) = 5086 ./strace-static-x86_64: Process 5086 attached [pid 5086] set_robust_list(0x555583fa7660, 24) = 0 [pid 5086] mount(NULL, "/sys/fs/fuse/connections", "fusectl", 0, NULL) = -1 EBUSY (Device or resource busy) [pid 5086] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5086] setsid() = 1 [pid 5086] prlimit64(0, RLIMIT_AS, {rlim_cur=204800*1024, rlim_max=204800*1024}, NULL) = 0 [pid 5086] prlimit64(0, RLIMIT_MEMLOCK, {rlim_cur=32768*1024, rlim_max=32768*1024}, NULL) = 0 [pid 5086] prlimit64(0, RLIMIT_FSIZE, {rlim_cur=139264*1024, rlim_max=139264*1024}, NULL) = 0 [pid 5086] prlimit64(0, RLIMIT_STACK, {rlim_cur=1024*1024, rlim_max=1024*1024}, NULL) = 0 [pid 5086] prlimit64(0, RLIMIT_CORE, {rlim_cur=131072*1024, rlim_max=131072*1024}, NULL) = 0 [pid 5086] prlimit64(0, RLIMIT_NOFILE, {rlim_cur=256, rlim_max=256}, NULL) = 0 [pid 5086] unshare(CLONE_NEWNS) = 0 [pid 5086] mount(NULL, "/", NULL, MS_REC|MS_PRIVATE, NULL) = 0 [pid 5086] unshare(CLONE_NEWIPC) = 0 [pid 5086] unshare(CLONE_NEWCGROUP) = 0 [pid 5086] unshare(CLONE_NEWUTS) = 0 [pid 5086] unshare(CLONE_SYSVSEM) = 0 [pid 5086] openat(AT_FDCWD, "/proc/sys/kernel/shmmax", O_WRONLY|O_CLOEXEC) = 3 [pid 5086] write(3, "16777216", 8) = 8 [pid 5086] close(3) = 0 [pid 5086] openat(AT_FDCWD, "/proc/sys/kernel/shmall", O_WRONLY|O_CLOEXEC) = 3 [pid 5086] write(3, "536870912", 9) = 9 [pid 5086] close(3) = 0 [pid 5086] openat(AT_FDCWD, "/proc/sys/kernel/shmmni", O_WRONLY|O_CLOEXEC) = 3 [pid 5086] write(3, "1024", 4) = 4 [pid 5086] close(3) = 0 [pid 5086] openat(AT_FDCWD, "/proc/sys/kernel/msgmax", O_WRONLY|O_CLOEXEC) = 3 [pid 5086] write(3, "8192", 4) = 4 [pid 5086] close(3) = 0 [pid 5086] openat(AT_FDCWD, "/proc/sys/kernel/msgmni", O_WRONLY|O_CLOEXEC) = 3 [pid 5086] write(3, "1024", 4) = 4 [pid 5086] close(3) = 0 [pid 5086] openat(AT_FDCWD, "/proc/sys/kernel/msgmnb", O_WRONLY|O_CLOEXEC) = 3 [pid 5086] write(3, "1024", 4) = 4 [pid 5086] close(3) = 0 [pid 5086] openat(AT_FDCWD, "/proc/sys/kernel/sem", O_WRONLY|O_CLOEXEC) = 3 [pid 5086] write(3, "1024 1048576 500 1024", 21) = 21 [pid 5086] close(3) = 0 [pid 5086] getpid() = 1 [pid 5086] capget({version=_LINUX_CAPABILITY_VERSION_3, pid=1}, {effective=1< [pid 5088] set_robust_list(0x555583fa7660, 24) = 0 [pid 5086] <... clone resumed>, child_tidptr=0x555583fa7650) = 2 [pid 5088] chdir("./0") = 0 [pid 5088] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5088] setpgid(0, 0) = 0 [pid 5088] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5088] write(3, "1000", 4) = 4 [pid 5088] close(3) = 0 [pid 5088] symlink("/dev/binderfs", "./binderfs") = 0 executing program [pid 5088] write(1, "executing program\n", 18) = 18 [pid 5088] memfd_create("syzkaller", 0) = 3 [pid 5088] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f2a30c00000 [pid 5088] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 16777216) = 16777216 [pid 5088] munmap(0x7f2a30c00000, 138412032) = 0 [pid 5088] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 5088] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 5088] close(3) = 0 [pid 5088] close(4) = 0 [pid 5088] mkdir("./bus", 0777) = 0 [ 105.495539][ T5088] loop0: detected capacity change from 0 to 32768 [pid 5088] mount("/dev/loop0", "./bus", "jfs", MS_NOSUID|MS_LAZYTIME, "") = 0 [pid 5088] openat(AT_FDCWD, "./bus", O_RDONLY|O_DIRECTORY) = 3 [pid 5088] chdir("./bus") = 0 [pid 5088] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = -1 EBUSY (Device or resource busy) [pid 5088] mkdir("./control", 000) = 0 [pid 5088] open("./file2", O_RDWR|O_CREAT|O_TRUNC|O_SYNC|O_DIRECT|O_LARGEFILE|O_NOATIME|0x3c, 000) = 4 [ 105.598158][ T5088] find_entry called with index = 0 [ 105.605771][ T5088] find_entry called with index = 0 [pid 5088] mknod("./file1", 000) = 0 [ 105.624819][ T30] audit: type=1800 audit(1718812663.109:2): pid=5088 uid=0 auid=4294967295 ses=4294967295 subj=_ op=collect_data cause=failed(directio) comm="syz-executor112" name="file2" dev="loop0" ino=7 res=0 errno=0 [ 105.670140][ T5088] ======================================================= [ 105.670140][ T5088] WARNING: The mand mount option has been deprecated and [pid 5088] mount("./file1", "./file1", NULL, MS_NOEXEC|MS_MANDLOCK|MS_BIND, NULL) = 0 [pid 5088] close(3) = 0 [pid 5088] close(4) = 0 [pid 5088] close(5) = -1 EBADF (Bad file descriptor) [pid 5088] close(6) = -1 EBADF (Bad file descriptor) [pid 5088] close(7) = -1 EBADF (Bad file descriptor) [pid 5088] close(8) = -1 EBADF (Bad file descriptor) [pid 5088] close(9) = -1 EBADF (Bad file descriptor) [pid 5088] close(10) = -1 EBADF (Bad file descriptor) [pid 5088] close(11) = -1 EBADF (Bad file descriptor) [pid 5088] close(12) = -1 EBADF (Bad file descriptor) [pid 5088] close(13) = -1 EBADF (Bad file descriptor) [pid 5088] close(14) = -1 EBADF (Bad file descriptor) [pid 5088] close(15) = -1 EBADF (Bad file descriptor) [pid 5088] close(16) = -1 EBADF (Bad file descriptor) [pid 5088] close(17) = -1 EBADF (Bad file descriptor) [ 105.670140][ T5088] and is ignored by this kernel. Remove the mand [ 105.670140][ T5088] option from the mount to silence this warning. [ 105.670140][ T5088] ======================================================= [pid 5088] close(18) = -1 EBADF (Bad file descriptor) [pid 5088] close(19) = -1 EBADF (Bad file descriptor) [pid 5088] close(20) = -1 EBADF (Bad file descriptor) [pid 5088] close(21) = -1 EBADF (Bad file descriptor) [pid 5088] close(22) = -1 EBADF (Bad file descriptor) [pid 5088] close(23) = -1 EBADF (Bad file descriptor) [pid 5088] close(24) = -1 EBADF (Bad file descriptor) [pid 5088] close(25) = -1 EBADF (Bad file descriptor) [pid 5088] close(26) = -1 EBADF (Bad file descriptor) [pid 5088] close(27) = -1 EBADF (Bad file descriptor) [pid 5088] close(28) = -1 EBADF (Bad file descriptor) [pid 5088] close(29) = -1 EBADF (Bad file descriptor) [pid 5088] exit_group(0) = ? [pid 5088] +++ exited with 0 +++ [pid 5086] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=2, si_uid=0, si_status=0, si_utime=5 /* 0.05 s */, si_stime=18 /* 0.18 s */} --- [pid 5086] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 5086] umount2("./0", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5086] openat(AT_FDCWD, "./0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5086] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5086] getdents64(3, 0x555583fa86f0 /* 4 entries */, 32768) = 104 [pid 5086] umount2("./0/bus", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EBUSY (Device or resource busy) [pid 5086] newfstatat(AT_FDCWD, "./0/bus", {st_mode=S_IFDIR|0755, st_size=64, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5086] umount2("./0/bus", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EBUSY (Device or resource busy) [pid 5086] openat(AT_FDCWD, "./0/bus", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 5086] newfstatat(4, "", {st_mode=S_IFDIR|0755, st_size=64, ...}, AT_EMPTY_PATH) = 0 [ 105.874165][ T5086] ERROR: (device loop0): jfs_readdir: JFS:Dtree error: ino = 2, bn=0, index = 1 [ 105.874165][ T5086] [ 105.889380][ T5086] ERROR: (device loop0): remounting filesystem as read-only [ 105.899475][ T5086] ERROR: (device loop0): jfs_readdir: JFS:Dtree error: ino = 2, bn=0, index = 4 [ 105.899475][ T5086] [ 105.916149][ T5086] ERROR: (device loop0): jfs_readdir: JFS:Dtree error: ino = 2, bn=0, index = 5 [ 105.916149][ T5086] [ 105.933224][ T5086] ERROR: (device loop0): jfs_readdir: JFS:Dtree error: ino = 2, bn=0, index = 6 [ 105.933224][ T5086] [ 105.956034][ T5086] ERROR: (device loop0): jfs_readdir: JFS:Dtree error: ino = 2, bn=0, index = 7 [pid 5086] getdents64(4, 0x555583fb0730 /* 5 entries */, 32768) = 144 [pid 5086] umount2("./0/bus/file0", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 ENOENT (No such file or directory) [pid 5086] newfstatat(AT_FDCWD, "./0/bus/file0", 0x7fff8dd7c6f0, AT_SYMLINK_NOFOLLOW) = -1 ENOENT (No such file or directory) [pid 5086] exit_group(1) = ? [ 105.956034][ T5086] [ 106.001974][ T5086] ================================================================== [ 106.015063][ T5086] BUG: KASAN: user-memory-access in __destroy_inode+0x479/0x650 [ 106.027539][ T5086] Write of size 4 at addr 0000000b00000000 by task syz-executor112/5086 [ 106.038649][ T5086] [ 106.042622][ T5086] CPU: 0 PID: 5086 Comm: syz-executor112 Not tainted 6.10.0-rc3-syzkaller-00044-g2ccbdf43d5e7 #0 [ 106.061933][ T5086] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/07/2024 [ 106.079782][ T5086] Call Trace: [ 106.084986][ T5086] [ 106.090568][ T5086] dump_stack_lvl+0x241/0x360 [ 106.095472][ T5086] ? __pfx_dump_stack_lvl+0x10/0x10 [ 106.103744][ T5086] ? __pfx__printk+0x10/0x10 [ 106.109798][ T5086] ? _printk+0xd5/0x120 [ 106.115102][ T5086] print_report+0xe8/0x550 [ 106.121580][ T5086] ? __virt_addr_valid+0x58/0x520 [ 106.130738][ T5086] ? __destroy_inode+0x479/0x650 [ 106.138395][ T5086] kasan_report+0x143/0x180 [ 106.145924][ T5086] ? __destroy_inode+0x479/0x650 [ 106.152105][ T5086] kasan_check_range+0x282/0x290 [ 106.162812][ T5086] __destroy_inode+0x479/0x650 [ 106.169259][ T5086] evict+0x521/0x630 [ 106.175017][ T5086] evict_inodes+0x5f9/0x690 [ 106.185094][ T5086] ? __pfx_evict_inodes+0x10/0x10 [ 106.193846][ T5086] ? dput+0x37/0x2b0 [ 106.201512][ T5086] generic_shutdown_super+0x9d/0x2d0 [ 106.209097][ T5086] kill_block_super+0x44/0x90 [ 106.220037][ T5086] deactivate_locked_super+0xc4/0x130 [ 106.227854][ T5086] cleanup_mnt+0x41f/0x4b0 [ 106.234860][ T5086] ? lockdep_hardirqs_on+0x99/0x150 [ 106.246192][ T5086] task_work_run+0x24f/0x310 [ 106.251532][ T5086] ? __pfx_task_work_run+0x10/0x10 [ 106.261518][ T5086] ? do_exit+0xa22/0x27e0 [ 106.268608][ T5086] ? kmem_cache_free+0x145/0x350 [ 106.274536][ T5086] do_exit+0xa27/0x27e0 [ 106.280700][ T5086] ? __pfx_do_exit+0x10/0x10 [ 106.287391][ T5086] ? lockdep_hardirqs_on_prepare+0x43d/0x780 [ 106.294815][ T5086] ? __pfx_lockdep_hardirqs_on_prepare+0x10/0x10 [ 106.309397][ T5086] ? _raw_spin_unlock_irq+0x23/0x50 [ 106.316873][ T5086] ? lockdep_hardirqs_on+0x99/0x150 [ 106.326176][ T5086] do_group_exit+0x207/0x2c0 [ 106.333878][ T5086] __x64_sys_exit_group+0x3f/0x40 [ 106.344470][ T5086] do_syscall_64+0xf3/0x230 [ 106.353081][ T5086] ? clear_bhb_loop+0x35/0x90 [ 106.364048][ T5086] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 106.374052][ T5086] RIP: 0033:0x7f2a3912c349 [ 106.383857][ T5086] Code: Unable to access opcode bytes at 0x7f2a3912c31f. [ 106.394369][ T5086] RSP: 002b:00007fff8dd7c668 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7 [ 106.411296][ T5086] RAX: ffffffffffffffda RBX: 0000000000000001 RCX: 00007f2a3912c349 [ 106.429141][ T5086] RDX: 000000000000003c RSI: 00000000000000e7 RDI: 0000000000000001 [ 106.447870][ T5086] RBP: 00007f2a391ae370 R08: ffffffffffffffb8 R09: 0000000000000000 [ 106.465648][ T5086] R10: 0000000000000100 R11: 0000000000000246 R12: 00007f2a391ae370 [ 106.474763][ T5086] R13: 0000000000000000 R14: 00007f2a391af0e0 R15: 00007f2a390fa2f0 [ 106.489747][ T5086] [ 106.493711][ T5086] ================================================================== [ 106.515327][ T5086] Kernel panic - not syncing: KASAN: panic_on_warn set ... [ 106.530564][ T5086] CPU: 0 PID: 5086 Comm: syz-executor112 Not tainted 6.10.0-rc3-syzkaller-00044-g2ccbdf43d5e7 #0 [ 106.547510][ T5086] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/07/2024 [ 106.566578][ T5086] Call Trace: [ 106.570070][ T5086] [ 106.572994][ T5086] dump_stack_lvl+0x241/0x360 [ 106.578217][ T5086] ? __pfx_dump_stack_lvl+0x10/0x10 [ 106.591188][ T5086] ? __pfx__printk+0x10/0x10 [ 106.606884][ T5086] ? preempt_schedule+0xe1/0xf0 [ 106.612990][ T5086] ? vscnprintf+0x5d/0x90 [ 106.625614][ T5086] panic+0x349/0x860 [ 106.632256][ T5086] ? check_panic_on_warn+0x21/0xb0 [ 106.643300][ T5086] ? __pfx_panic+0x10/0x10 [ 106.653303][ T5086] ? _raw_spin_unlock_irqrestore+0x130/0x140 [ 106.668752][ T5086] ? __pfx__raw_spin_unlock_irqrestore+0x10/0x10 [ 106.681239][ T5086] ? print_report+0xe8/0x550 [ 106.688787][ T5086] check_panic_on_warn+0x86/0xb0 [ 106.706419][ T5086] ? __destroy_inode+0x479/0x650 [ 106.713536][ T5086] end_report+0x77/0x160 [ 106.724674][ T5086] kasan_report+0x154/0x180 [ 106.733508][ T5086] ? __destroy_inode+0x479/0x650 [ 106.748685][ T5086] kasan_check_range+0x282/0x290 [ 106.755744][ T5086] __destroy_inode+0x479/0x650 [ 106.772388][ T5086] evict+0x521/0x630 [ 106.776892][ T5086] evict_inodes+0x5f9/0x690 [ 106.786585][ T5086] ? __pfx_evict_inodes+0x10/0x10 [ 106.795032][ T5086] ? dput+0x37/0x2b0 [ 106.804546][ T5086] generic_shutdown_super+0x9d/0x2d0 [ 106.810971][ T5086] kill_block_super+0x44/0x90 [ 106.816024][ T5086] deactivate_locked_super+0xc4/0x130 [ 106.830052][ T5086] cleanup_mnt+0x41f/0x4b0 [ 106.835874][ T5086] ? lockdep_hardirqs_on+0x99/0x150 [ 106.846433][ T5086] task_work_run+0x24f/0x310 [ 106.855175][ T5086] ? __pfx_task_work_run+0x10/0x10 [ 106.864441][ T5086] ? do_exit+0xa22/0x27e0 [ 106.872007][ T5086] ? kmem_cache_free+0x145/0x350 [ 106.877504][ T5086] do_exit+0xa27/0x27e0 [ 106.887339][ T5086] ? __pfx_do_exit+0x10/0x10 [ 106.893828][ T5086] ? lockdep_hardirqs_on_prepare+0x43d/0x780 [ 106.908294][ T5086] ? __pfx_lockdep_hardirqs_on_prepare+0x10/0x10 [ 106.915761][ T5086] ? _raw_spin_unlock_irq+0x23/0x50 [ 106.926720][ T5086] ? lockdep_hardirqs_on+0x99/0x150 [ 106.935098][ T5086] do_group_exit+0x207/0x2c0 [ 106.947875][ T5086] __x64_sys_exit_group+0x3f/0x40 [ 106.953811][ T5086] do_syscall_64+0xf3/0x230 [ 106.965860][ T5086] ? clear_bhb_loop+0x35/0x90 [ 106.975239][ T5086] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 106.987997][ T5086] RIP: 0033:0x7f2a3912c349 [ 106.995013][ T5086] Code: Unable to access opcode bytes at 0x7f2a3912c31f. [ 107.011635][ T5086] RSP: 002b:00007fff8dd7c668 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7 [ 107.027897][ T5086] RAX: ffffffffffffffda RBX: 0000000000000001 RCX: 00007f2a3912c349 [ 107.043117][ T5086] RDX: 000000000000003c RSI: 00000000000000e7 RDI: 0000000000000001 [ 107.056134][ T5086] RBP: 00007f2a391ae370 R08: ffffffffffffffb8 R09: 0000000000000000 [ 107.072637][ T5086] R10: 0000000000000100 R11: 0000000000000246 R12: 00007f2a391ae370 [ 107.084264][ T5086] R13: 0000000000000000 R14: 00007f2a391af0e0 R15: 00007f2a390fa2f0 [ 107.093570][ T5086] [ 107.097679][ T5086] Kernel Offset: disabled [ 107.109965][ T5086] Rebooting in 86400 seconds..