./strace-static-x86_64 -e \!wait4,clock_nanosleep,nanosleep -s 100 -x -f ./syz-executor3725892460 <...> Warning: Permanently added '10.128.1.134' (ED25519) to the list of known hosts. execve("./syz-executor3725892460", ["./syz-executor3725892460"], 0x7ffc08649890 /* 10 vars */) = 0 brk(NULL) = 0x55556814a000 brk(0x55556814ad00) = 0x55556814ad00 arch_prctl(ARCH_SET_FS, 0x55556814a380) = 0 set_tid_address(0x55556814a650) = 5843 set_robust_list(0x55556814a660, 24) = 0 rseq(0x55556814aca0, 0x20, 0, 0x53053053) = 0 prlimit64(0, RLIMIT_STACK, NULL, {rlim_cur=8192*1024, rlim_max=RLIM64_INFINITY}) = 0 readlink("/proc/self/exe", "/root/syz-executor3725892460", 4096) = 28 getrandom("\x05\xc0\x00\xa2\xf0\x29\x6b\x09", 8, GRND_NONBLOCK) = 8 brk(NULL) = 0x55556814ad00 brk(0x55556816bd00) = 0x55556816bd00 brk(0x55556816c000) = 0x55556816c000 mprotect(0x7f4c1d68f000, 16384, 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 mkdir("./syzkaller.DDqG52", 0700) = 0 chmod("./syzkaller.DDqG52", 0777) = 0 chdir("./syzkaller.DDqG52") = 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 5844 attached [pid 5844] set_robust_list(0x55556814a660, 24) = 0 [pid 5843] <... clone resumed>, child_tidptr=0x55556814a650) = 5844 [pid 5844] chdir("./0") = 0 [pid 5844] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5844] setpgid(0, 0) = 0 [pid 5844] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5844] write(3, "1000", 4) = 4 [pid 5844] close(3) = 0 [pid 5844] symlink("/dev/binderfs", "./binderfs") = 0 executing program [pid 5844] write(1, "executing program\n", 18) = 18 [pid 5844] memfd_create("syzkaller", 0) = 3 [pid 5844] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f4c151ce000 [pid 5844] 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 5844] munmap(0x7f4c151ce000, 138412032) = 0 [pid 5844] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 5844] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 5844] close(3) = 0 [pid 5844] close(4) = 0 [pid 5844] mkdir("./file1", 0777) = 0 [ 101.144539][ T5844] loop0: detected capacity change from 0 to 32768 [pid 5844] mount("/dev/loop0", "./file1", "jfs", MS_MANDLOCK|MS_DIRSYNC|MS_NODIRATIME|MS_POSIXACL|MS_LAZYTIME, "discard,iocharset=cp855,errors=remount-ro,integrity,nodiscard,discard=0x0000000000000008,errors=cont"...) = 0 [pid 5844] openat(AT_FDCWD, "./file1", O_RDONLY|O_DIRECTORY) = 3 [pid 5844] chdir("./file1") = 0 [ 101.200468][ T5844] ======================================================= [ 101.200468][ T5844] WARNING: The mand mount option has been deprecated and [ 101.200468][ T5844] and is ignored by this kernel. Remove the mand [ 101.200468][ T5844] option from the mount to silence this warning. [ 101.200468][ T5844] ======================================================= [pid 5844] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = -1 EBUSY (Device or resource busy) [pid 5844] creat("./file1", 000) = 4 [pid 5844] exit_group(0) = ? [pid 5844] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5844, si_uid=0, si_status=0, si_utime=3 /* 0.03 s */, si_stime=22 /* 0.22 s */} --- umount2("./0", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) openat(AT_FDCWD, "./0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 getdents64(3, 0x55556814b6f0 /* 4 entries */, 32768) = 112 [ 101.416664][ T121] ------------[ cut here ]------------ [ 101.416685][ T121] WARNING: CPU: 1 PID: 121 at fs/jfs/jfs_dmap.c:2875 dbAdjTree+0x454/0x4e0 [ 101.416720][ T121] Modules linked in: [ 101.416746][ T121] CPU: 1 UID: 0 PID: 121 Comm: jfsCommit Tainted: G W 6.16.0-syzkaller-11699-g7e161a991ea7 #0 PREEMPT_{RT,(full)} [ 101.416776][ T121] Tainted: [W]=WARN [ 101.416783][ T121] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025 [ 101.416795][ T121] RIP: 0010:dbAdjTree+0x454/0x4e0 [ 101.416816][ T121] Code: 5a ff ff ff e8 4d ac 8a fe eb 05 e8 46 ac 8a fe 48 83 c4 28 5b 41 5c 41 5d 41 5e 41 5f 5d e9 83 31 c5 07 cc e8 2d ac 8a fe 90 <0f> 0b 90 eb e1 44 89 e1 80 e1 07 80 c1 03 38 c1 0f 8c e1 fb ff ff [ 101.416833][ T121] RSP: 0018:ffffc9000399f988 EFLAGS: 00010293 [ 101.416851][ T121] RAX: ffffffff8333ae63 RBX: ffff888023715010 RCX: ffff88801e779dc0 [ 101.416867][ T121] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000 [ 101.416880][ T121] RBP: 0000000000020056 R08: 0000000000000000 R09: 0000000000000000 [ 101.416892][ T121] R10: dffffc0000000000 R11: fffff9400011b8a9 R12: ffff888023715018 [ 101.416907][ T121] R13: dffffc0000000000 R14: 0000000000000004 R15: 0000000000000155 [ 101.416921][ T121] FS: 0000000000000000(0000) GS:ffff8881269cd000(0000) knlGS:0000000000000000 [ 101.416937][ T121] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 101.416954][ T121] CR2: 000000000045bdd0 CR3: 0000000042556000 CR4: 00000000003526f0 [ 101.416971][ T121] Call Trace: [ 101.416978][ T121] [ 101.416987][ T121] ? __pfx_lock_metapage+0x10/0x10 [ 101.417017][ T121] ? workingset_activation+0x397/0x4a0 [ 101.417044][ T121] dbJoin+0x238/0x300 [ 101.417065][ T121] dbFreeBits+0x4e1/0xdb0 [ 101.417094][ T121] dbFree+0x336/0x650 [ 101.417128][ T121] txFreeMap+0x7ff/0xde0 [ 101.417162][ T121] txUpdateMap+0x308/0x9c0 [ 101.417196][ T121] jfs_lazycommit+0x3f1/0xa10 [ 101.417227][ T121] ? __pfx_jfs_lazycommit+0x10/0x10 [ 101.417256][ T121] ? __pfx_default_wake_function+0x10/0x10 [ 101.417287][ T121] ? __kthread_parkme+0x7b/0x200 [ 101.417310][ T121] ? __kthread_parkme+0x1a1/0x200 [ 101.417340][ T121] kthread+0x711/0x8a0 [ 101.417371][ T121] ? __pfx_jfs_lazycommit+0x10/0x10 [ 101.417400][ T121] ? __pfx_kthread+0x10/0x10 [ 101.417434][ T121] ? __pfx_kthread+0x10/0x10 [ 101.417460][ T121] ret_from_fork+0x3fc/0x770 [ 101.417487][ T121] ? __pfx_ret_from_fork+0x10/0x10 [ 101.417516][ T121] ? __switch_to_asm+0x39/0x70 [ 101.417534][ T121] ? __switch_to_asm+0x33/0x70 [ 101.417548][ T121] ? __pfx_kthread+0x10/0x10 [ 101.417575][ T121] ret_from_fork_asm+0x1a/0x30 [ 101.417607][ T121] [ 101.417615][ T121] Kernel panic - not syncing: kernel: panic_on_warn set ... [ 101.417631][ T121] CPU: 1 UID: 0 PID: 121 Comm: jfsCommit Tainted: G W 6.16.0-syzkaller-11699-g7e161a991ea7 #0 PREEMPT_{RT,(full)} [ 101.417657][ T121] Tainted: [W]=WARN [ 101.417663][ T121] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025 [ 101.417672][ T121] Call Trace: [ 101.417679][ T121] [ 101.417686][ T121] dump_stack_lvl+0x99/0x250 [ 101.417713][ T121] ? __asan_memcpy+0x40/0x70 [ 101.417732][ T121] ? __pfx_dump_stack_lvl+0x10/0x10 [ 101.417759][ T121] ? __pfx__printk+0x10/0x10 [ 101.417790][ T121] vpanic+0x281/0x750 [ 101.417821][ T121] ? __pfx__printk+0x10/0x10 [ 101.417842][ T121] ? __pfx_vpanic+0x10/0x10 [ 101.417872][ T121] ? is_bpf_text_address+0x26/0x2b0 [ 101.417904][ T121] panic+0xb9/0xc0 [ 101.417928][ T121] ? __pfx_panic+0x10/0x10 [ 101.417966][ T121] __warn+0x31b/0x4b0 [ 101.418000][ T121] ? dbAdjTree+0x454/0x4e0 [ 101.418020][ T121] ? dbAdjTree+0x454/0x4e0 [ 101.418037][ T121] report_bug+0x2be/0x4f0 [ 101.418054][ T121] ? dbAdjTree+0x454/0x4e0 [ 101.418072][ T121] ? dbAdjTree+0x454/0x4e0 [ 101.418091][ T121] ? dbAdjTree+0x456/0x4e0 [ 101.418110][ T121] handle_bug+0x84/0x160 [ 101.418137][ T121] exc_invalid_op+0x1a/0x50 [ 101.418159][ T121] asm_exc_invalid_op+0x1a/0x20 [ 101.418178][ T121] RIP: 0010:dbAdjTree+0x454/0x4e0 [ 101.418197][ T121] Code: 5a ff ff ff e8 4d ac 8a fe eb 05 e8 46 ac 8a fe 48 83 c4 28 5b 41 5c 41 5d 41 5e 41 5f 5d e9 83 31 c5 07 cc e8 2d ac 8a fe 90 <0f> 0b 90 eb e1 44 89 e1 80 e1 07 80 c1 03 38 c1 0f 8c e1 fb ff ff [ 101.418213][ T121] RSP: 0018:ffffc9000399f988 EFLAGS: 00010293 [ 101.418228][ T121] RAX: ffffffff8333ae63 RBX: ffff888023715010 RCX: ffff88801e779dc0 [ 101.418243][ T121] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000 [ 101.418256][ T121] RBP: 0000000000020056 R08: 0000000000000000 R09: 0000000000000000 [ 101.418268][ T121] R10: dffffc0000000000 R11: fffff9400011b8a9 R12: ffff888023715018 [ 101.418281][ T121] R13: dffffc0000000000 R14: 0000000000000004 R15: 0000000000000155 [ 101.418300][ T121] ? dbAdjTree+0x453/0x4e0 [ 101.418326][ T121] ? dbAdjTree+0x453/0x4e0 [ 101.418344][ T121] ? __pfx_lock_metapage+0x10/0x10 [ 101.418368][ T121] ? workingset_activation+0x397/0x4a0 [ 101.418398][ T121] dbJoin+0x238/0x300 [ 101.418422][ T121] dbFreeBits+0x4e1/0xdb0 [ 101.418453][ T121] dbFree+0x336/0x650 [ 101.418494][ T121] txFreeMap+0x7ff/0xde0 [ 101.418528][ T121] txUpdateMap+0x308/0x9c0 [ 101.418564][ T121] jfs_lazycommit+0x3f1/0xa10 [ 101.418595][ T121] ? __pfx_jfs_lazycommit+0x10/0x10 [ 101.418623][ T121] ? __pfx_default_wake_function+0x10/0x10 [ 101.418652][ T121] ? __kthread_parkme+0x7b/0x200 [ 101.418674][ T121] ? __kthread_parkme+0x1a1/0x200 [ 101.418704][ T121] kthread+0x711/0x8a0 [ 101.418733][ T121] ? __pfx_jfs_lazycommit+0x10/0x10 [ 101.418758][ T121] ? __pfx_kthread+0x10/0x10 [ 101.418798][ T121] ? __pfx_kthread+0x10/0x10 [ 101.418824][ T121] ret_from_fork+0x3fc/0x770 [ 101.418852][ T121] ? __pfx_ret_from_fork+0x10/0x10 [ 101.418880][ T121] ? __switch_to_asm+0x39/0x70 [ 101.418899][ T121] ? __switch_to_asm+0x33/0x70 [ 101.418917][ T121] ? __pfx_kthread+0x10/0x10 [ 101.418946][ T121] ret_from_fork_asm+0x1a/0x30 [ 101.418978][ T121] [ 101.419500][ T121] Kernel Offset: disabled