Got a crash: Starting program: e2fsprogs-1.46.5/misc/tune2fs -O ^has_journal -ff /dev/sdh2 tune2fs 1.46.5 (30-Dec-2021) Recovering journal. tune2fs: Unknown code ____ 251 while recovering journal. Please run e2fsck -fy /dev/sdh2. Program received signal SIGSEGV, Segmentation fault. 0x00007ffff7f8565a in ext2fs_mmp_stop (fs=0x0) at ../mmp.c:405 405 if (!ext2fs_has_feature_mmp(fs->super) || (gdb) bt #0 0x00007ffff7f8565a in ext2fs_mmp_stop (fs=0x0) at ../mmp.c:405 #1 0x000055555555acd8 in main (argc=<optimized out>, argv=<optimized out>) at /home/lkundrak/fedora/e2fsprogs/e2fsprogs-1.46.5/misc/tune2fs.c:3441 (gdb) Turns out, ext2fs_run_ext3_journal() can close fs and then fail. If that happened, we shall not jump to closefs:, quit right away instead. Signed-off-by: Lubomir Rintel <lkundrak@xxxxx> --- misc/tune2fs.c | 5 ++++- 1 file changed, 4 insertions(+), 1 deletion(-) diff --git a/misc/tune2fs.c b/misc/tune2fs.c index 088f87e5..96cfd001 100644 --- a/misc/tune2fs.c +++ b/misc/tune2fs.c @@ -3345,7 +3345,10 @@ _("Warning: The journal is dirty. You may wish to replay the journal like:\n\n" "while recovering journal.\n"); printf(_("Please run e2fsck -fy %s.\n"), argv[1]); rc = 1; - goto closefs; + if (fs) + goto closefs; + else + return 1; } sb = fs->super; } -- 2.37.3