./strace-static-x86_64 -e \!wait4,clock_nanosleep,nanosleep -s 100 -x -f ./syz-executor4156230426 <...> Warning: Permanently added '10.128.0.52' (ED25519) to the list of known hosts. execve("./syz-executor4156230426", ["./syz-executor4156230426"], 0x7ffe6a2668f0 /* 10 vars */) = 0 brk(NULL) = 0x5555595d5000 brk(0x5555595d5d40) = 0x5555595d5d40 arch_prctl(ARCH_SET_FS, 0x5555595d53c0) = 0 set_tid_address(0x5555595d5690) = 5088 set_robust_list(0x5555595d56a0, 24) = 0 rseq(0x5555595d5ce0, 0x20, 0, 0x53053053) = 0 prlimit64(0, RLIMIT_STACK, NULL, {rlim_cur=8192*1024, rlim_max=RLIM64_INFINITY}) = 0 readlink("/proc/self/exe", "/root/syz-executor4156230426", 4096) = 28 getrandom("\x31\x43\x62\xd1\x43\x35\xdf\x01", 8, GRND_NONBLOCK) = 8 brk(NULL) = 0x5555595d5d40 brk(0x5555595f6d40) = 0x5555595f6d40 brk(0x5555595f7000) = 0x5555595f7000 mprotect(0x7fa111d75000, 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.DwiGE9", 0700) = 0 chmod("./syzkaller.DwiGE9", 0777) = 0 chdir("./syzkaller.DwiGE9") = 0 mkdir("./0", 0777) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5089 attached [pid 5089] set_robust_list(0x5555595d56a0, 24) = 0 [pid 5089] chdir("./0" [pid 5088] <... clone resumed>, child_tidptr=0x5555595d5690) = 5089 [pid 5089] <... chdir resumed>) = 0 [pid 5089] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5089] setpgid(0, 0) = 0 [pid 5089] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5089] write(3, "1000", 4) = 4 [pid 5089] close(3) = 0 [pid 5089] symlink("/dev/binderfs", "./binderfs") = 0 [pid 5089] write(1, "executing program\n", 18executing program ) = 18 [pid 5089] futex(0x7fa111d7b70c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5089] rt_sigaction(SIGRT_1, {sa_handler=0x7fa111d13270, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fa111d04420}, NULL, 8) = 0 [pid 5089] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 5089] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fa111c83000 [pid 5089] mprotect(0x7fa111c84000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5089] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 5089] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fa111ca3990, parent_tid=0x7fa111ca3990, exit_signal=0, stack=0x7fa111c83000, stack_size=0x20300, tls=0x7fa111ca36c0}./strace-static-x86_64: Process 5091 attached [pid 5091] rseq(0x7fa111ca3fe0, 0x20, 0, 0x53053053 [pid 5089] <... clone3 resumed> => {parent_tid=[5091]}, 88) = 5091 [pid 5091] <... rseq resumed>) = 0 [pid 5089] rt_sigprocmask(SIG_SETMASK, [], [pid 5091] set_robust_list(0x7fa111ca39a0, 24 [pid 5089] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5091] <... set_robust_list resumed>) = 0 [pid 5089] futex(0x7fa111d7b708, FUTEX_WAKE_PRIVATE, 1000000 [pid 5091] rt_sigprocmask(SIG_SETMASK, [], [pid 5089] <... futex resumed>) = 0 [pid 5091] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5091] memfd_create("syzkaller", 0 [pid 5089] futex(0x7fa111d7b70c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5091] <... memfd_create resumed>) = 3 [pid 5091] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fa109800000 [pid 5091] 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 5091] munmap(0x7fa109800000, 138412032) = 0 [pid 5091] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 5091] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 5091] close(3) = 0 [pid 5091] close(4) = 0 [pid 5091] mkdir("./file2", 0777) = 0 [pid 5091] mount("/dev/loop0", "./file2", "jfs", 0, "uid=0x0000000000000000,iocharset=cp860,errors=remount-ro,integrity,errors=remount-ro,gid=0x000000000"...) = 0 [pid 5091] openat(AT_FDCWD, "./file2", O_RDONLY|O_DIRECTORY) = 3 [pid 5091] chdir("./file2") = 0 [pid 5091] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = -1 EBUSY (Device or resource busy) [pid 5091] futex(0x7fa111d7b70c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5089] <... futex resumed>) = 0 [pid 5089] futex(0x7fa111d7b708, FUTEX_WAKE_PRIVATE, 1000000 [pid 5091] mkdir(".", 0777 [pid 5089] <... futex resumed>) = 0 [pid 5089] futex(0x7fa111d7b71c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5089] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fa111c62000 [pid 5089] mprotect(0x7fa111c63000, 131072, PROT_READ|PROT_WRITE [pid 5091] <... mkdir resumed>) = -1 EEXIST (File exists) [pid 5091] mount(NULL, ".", 0x20000180, MS_RDONLY|MS_NODEV|MS_NOEXEC|MS_REMOUNT|MS_DIRSYNC|MS_NOATIME|MS_PRIVATE|MS_SHARED|MS_RELATIME|MS_I_VERSION|MS_STRICTATIME, "" [pid 5089] <... mprotect resumed>) = 0 [ 61.051140][ T5091] loop0: detected capacity change from 0 to 32768 [pid 5089] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 5089] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fa111c82990, parent_tid=0x7fa111c82990, exit_signal=0, stack=0x7fa111c62000, stack_size=0x20300, tls=0x7fa111c826c0}./strace-static-x86_64: Process 5092 attached [pid 5092] rseq(0x7fa111c82fe0, 0x20, 0, 0x53053053) = 0 [pid 5089] <... clone3 resumed> => {parent_tid=[5092]}, 88) = 5092 [pid 5092] set_robust_list(0x7fa111c829a0, 24 [pid 5089] rt_sigprocmask(SIG_SETMASK, [], [pid 5092] <... set_robust_list resumed>) = 0 [pid 5089] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5092] rt_sigprocmask(SIG_SETMASK, [], [pid 5089] futex(0x7fa111d7b718, FUTEX_WAKE_PRIVATE, 1000000 [pid 5092] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5089] <... futex resumed>) = 0 [pid 5092] openat(AT_FDCWD, "/dev/mISDNtimer", O_RDONLY [pid 5089] futex(0x7fa111d7b71c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5092] <... openat resumed>) = 4 [pid 5092] futex(0x7fa111d7b71c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5091] <... mount resumed>) = 0 [pid 5092] <... futex resumed>) = 1 [pid 5091] openat(AT_FDCWD, ".", O_RDONLY|O_DIRECTORY [pid 5089] <... futex resumed>) = 0 [pid 5092] futex(0x7fa111d7b718, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5091] <... openat resumed>) = 5 [pid 5089] futex(0x7fa111d7b718, FUTEX_WAKE_PRIVATE, 1000000 [pid 5092] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5089] <... futex resumed>) = 0 [pid 5092] ioctl(4, IMADDTIMER, 0x20001b00 [pid 5089] futex(0x7fa111d7b71c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5091] chdir(".") = 0 [pid 5092] <... ioctl resumed>) = 0 [pid 5091] futex(0x7fa111d7b70c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5091] futex(0x7fa111d7b708, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5092] futex(0x7fa111d7b71c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5089] <... futex resumed>) = 0 [pid 5092] futex(0x7fa111d7b718, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5089] futex(0x7fa111d7b708, FUTEX_WAKE_PRIVATE, 1000000 [pid 5091] <... futex resumed>) = 0 [pid 5089] <... futex resumed>) = 1 [pid 5091] mkdir(".", 0777) = -1 EEXIST (File exists) [pid 5089] futex(0x7fa111d7b718, FUTEX_WAKE_PRIVATE, 1000000 [pid 5092] <... futex resumed>) = 0 [pid 5091] mount(NULL, ".", 0x20000180, MS_NODEV|MS_NOEXEC|MS_SYNCHRONOUS|MS_REMOUNT|MS_NOATIME|MS_MOVE|MS_PRIVATE|MS_RELATIME|MS_I_VERSION|MS_STRICTATIME, "" [pid 5089] <... futex resumed>) = 1 [pid 5092] statfs("./file2", [pid 5089] futex(0x7fa111d7b71c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5091] <... mount resumed>) = 0 [pid 5091] openat(AT_FDCWD, ".", O_RDONLY|O_DIRECTORY) = 6 [pid 5091] futex(0x7fa111d7b70c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5091] futex(0x7fa111d7b708, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5089] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [ 61.154904][ T5092] ================================================================== [ 61.163003][ T5092] BUG: KASAN: user-memory-access in jfs_statfs+0x20e/0x510 [ 61.170214][ T5092] Read of size 4 at addr 00000000000050c0 by task syz-executor415/5092 [ 61.178438][ T5092] [ 61.181241][ T5092] CPU: 1 UID: 0 PID: 5092 Comm: syz-executor415 Not tainted 6.10.0-syzkaller-12084-g28bbe4ea686a #0 [ 61.192004][ T5092] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/27/2024 [ 61.202859][ T5092] Call Trace: [ 61.206140][ T5092] [ 61.209058][ T5092] dump_stack_lvl+0x241/0x360 [ 61.213816][ T5092] ? __pfx_dump_stack_lvl+0x10/0x10 [ 61.219109][ T5092] ? __pfx__printk+0x10/0x10 [ 61.223698][ T5092] ? _printk+0xd5/0x120 [ 61.227848][ T5092] print_report+0xe8/0x550 [ 61.232260][ T5092] ? __virt_addr_valid+0x58/0x530 [ 61.237273][ T5092] ? jfs_statfs+0x20e/0x510 [ 61.241782][ T5092] kasan_report+0x143/0x180 [ 61.246285][ T5092] ? jfs_statfs+0x20e/0x510 [ 61.250783][ T5092] kasan_check_range+0x282/0x290 [ 61.255902][ T5092] jfs_statfs+0x20e/0x510 [ 61.260254][ T5092] user_statfs+0x213/0x460 [ 61.265090][ T5092] ? __pfx_user_statfs+0x10/0x10 [ 61.270023][ T5092] __x64_sys_statfs+0xe8/0x1a0 [ 61.274882][ T5092] ? __pfx_lockdep_hardirqs_on_prepare+0x10/0x10 [ 61.281221][ T5092] ? __pfx___x64_sys_statfs+0x10/0x10 [ 61.286608][ T5092] ? _raw_spin_unlock_irq+0x23/0x50 [ 61.291801][ T5092] ? lockdep_hardirqs_on+0x99/0x150 [ 61.296988][ T5092] ? _raw_spin_unlock_irq+0x2e/0x50 [ 61.302209][ T5092] ? ptrace_notify+0x279/0x380 [ 61.306963][ T5092] ? do_syscall_64+0x100/0x230 [ 61.311717][ T5092] do_syscall_64+0xf3/0x230 [ 61.316300][ T5092] ? clear_bhb_loop+0x35/0x90 [ 61.321050][ T5092] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 61.326973][ T5092] RIP: 0033:0x7fa111cece59 [ 61.331815][ T5092] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 b1 18 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b0 ff ff ff f7 d8 64 89 01 48 [ 61.351432][ T5092] RSP: 002b:00007fa111c82218 EFLAGS: 00000246 ORIG_RAX: 0000000000000089 [ 61.360271][ T5092] RAX: ffffffffffffffda RBX: 00007fa111d7b718 RCX: 00007fa111cece59 [ 61.368321][ T5092] RDX: 00007fa111cece59 RSI: 0000000000000000 RDI: 00000000200003c0 [ 61.376276][ T5092] RBP: 00007fa111d7b710 R08: 0000000000000000 R09: 0000000000000000 [ 61.384406][ T5092] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fa111d4829c [ 61.392364][ T5092] R13: 0032656c69662f2e R14: a92483129444e42d R15: 00007ffecd531438 [ 61.400330][ T5092] [ 61.403330][ T5092] ================================================================== [ 61.411656][ T5092] Kernel panic - not syncing: KASAN: panic_on_warn set ... [ 61.418944][ T5092] CPU: 1 UID: 0 PID: 5092 Comm: syz-executor415 Not tainted 6.10.0-syzkaller-12084-g28bbe4ea686a #0 [ 61.429694][ T5092] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/27/2024 [ 61.440432][ T5092] Call Trace: [ 61.443701][ T5092] [ 61.446619][ T5092] dump_stack_lvl+0x241/0x360 [ 61.451292][ T5092] ? __pfx_dump_stack_lvl+0x10/0x10 [ 61.456481][ T5092] ? __pfx__printk+0x10/0x10 [ 61.461062][ T5092] ? lockdep_hardirqs_on_prepare+0x43d/0x780 [ 61.467039][ T5092] ? vscnprintf+0x5d/0x90 [ 61.471363][ T5092] panic+0x349/0x860 [ 61.475250][ T5092] ? check_panic_on_warn+0x21/0xb0 [ 61.480349][ T5092] ? __pfx_panic+0x10/0x10 [ 61.484760][ T5092] ? _raw_spin_unlock_irqrestore+0x130/0x140 [ 61.490737][ T5092] ? __pfx__raw_spin_unlock_irqrestore+0x10/0x10 [ 61.497059][ T5092] ? print_report+0xe8/0x550 [ 61.501645][ T5092] check_panic_on_warn+0x86/0xb0 [ 61.506572][ T5092] ? jfs_statfs+0x20e/0x510 [ 61.511064][ T5092] end_report+0x77/0x160 [ 61.515311][ T5092] kasan_report+0x154/0x180 [ 61.519805][ T5092] ? jfs_statfs+0x20e/0x510 [ 61.524299][ T5092] kasan_check_range+0x282/0x290 [ 61.529232][ T5092] jfs_statfs+0x20e/0x510 [ 61.533549][ T5092] user_statfs+0x213/0x460 [ 61.537961][ T5092] ? __pfx_user_statfs+0x10/0x10 [ 61.542891][ T5092] __x64_sys_statfs+0xe8/0x1a0 [ 61.547646][ T5092] ? __pfx_lockdep_hardirqs_on_prepare+0x10/0x10 [ 61.553961][ T5092] ? __pfx___x64_sys_statfs+0x10/0x10 [ 61.559329][ T5092] ? _raw_spin_unlock_irq+0x23/0x50 [ 61.564545][ T5092] ? lockdep_hardirqs_on+0x99/0x150 [ 61.569735][ T5092] ? _raw_spin_unlock_irq+0x2e/0x50 [ 61.574925][ T5092] ? ptrace_notify+0x279/0x380 [ 61.579683][ T5092] ? do_syscall_64+0x100/0x230 [ 61.584441][ T5092] do_syscall_64+0xf3/0x230 [ 61.588936][ T5092] ? clear_bhb_loop+0x35/0x90 [ 61.593604][ T5092] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 61.599492][ T5092] RIP: 0033:0x7fa111cece59 [ 61.603908][ T5092] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 b1 18 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b0 ff ff ff f7 d8 64 89 01 48 [ 61.623594][ T5092] RSP: 002b:00007fa111c82218 EFLAGS: 00000246 ORIG_RAX: 0000000000000089 [ 61.632004][ T5092] RAX: ffffffffffffffda RBX: 00007fa111d7b718 RCX: 00007fa111cece59 [ 61.639966][ T5092] RDX: 00007fa111cece59 RSI: 0000000000000000 RDI: 00000000200003c0 [ 61.647943][ T5092] RBP: 00007fa111d7b710 R08: 0000000000000000 R09: 0000000000000000 [ 61.655934][ T5092] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fa111d4829c [ 61.663897][ T5092] R13: 0032656c69662f2e R14: a92483129444e42d R15: 00007ffecd531438 [ 61.671866][ T5092] [ 61.674980][ T5092] Kernel Offset: disabled [ 61.679287][ T5092] Rebooting in 86400 seconds..