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🐞 Open [866] ≡ Subsystems 🐞 Fixed [4879] 🐞 Invalid [11674] ⬇ Missing Backports [71] 📈 Kernel Health 📈 Bug Lifetimes 📈 Fuzzing 📈 Crashes 💬 Send us feedback

ext4 subsystem


List(s): linux-ext4@vger.kernel.org
Maintainer(s): adilger.kernel@dilger.ca, tytso@mit.edu
Fixed bugs: 119
Parent subsystem(s): fs (48)
open (36):
Title Repro Cause bisect Fix bisect Count Last Reported Discussions
kernel BUG in ext4_mb_release_inode_pa ext4 syz unreliable 1 15d 11d 💬 0 [11d]
general protection fault in hrtimer_nanosleep ext4 syz error 1 39d 35d 💬 6 [26d]
general protection fault in locks_remove_posix ext4 C error 1 44d 40d 💬 1 [40d]
KASAN: wild-memory-access Read in read_block_bitmap ext4 C 8 11d 55d 💬 0 [55d]
possible deadlock in console_flush_all (2) ext4 C error 51610 2d09h 59d 💬 4 [27d]
possible deadlock in ext4_xattr_set_handle (4) ext4 2 23d 75d 💬 0 [75d]
general protection fault in utf8nlookup ext4 C done 2 6d07h 77d PATCH [76d]
WARNING in ext4_discard_allocated_blocks ext4 C inconclusive 2 11d 86d 💬 0 [19d]
general protection fault in inode_permission (2) ext4 C error 1 17d 97d 💬 0 [97d]
memory leak in __es_insert_extent ext4 syz 1 95d 111d 💬 0 [111d]
possible deadlock in __ext4_mark_inode_dirty (2) ext4 4 35d 114d 💬 0 [114d]
INFO: rcu detected stall in sys_unlink (3) ext4 syz error 14 25d 114d 💬 0 [114d]
general protection fault in ep_poll_callback ext4 C done 1 5d23h 139d 💬 1 [138d]
general protection fault in common_perm_cond apparmor ext4 C error 1 5d09h 139d 💬 0 [139d]
INFO: task hung in sync_inodes_sb (5) ext4 C error 114 4d06h 141d 💬 0 [27d]
kernel BUG in __phys_addr (2) ext4 reiserfs C error 1 147d 143d 💬 0 [143d]
KASAN: out-of-bounds Read in ext4_ext_remove_space ext4 C error 6 2d01h 145d 💬 10 [58d]
INFO: task hung in find_inode_fast (2) ext4 C unreliable 10 6d09h 146d 💬 0 [58d]
possible deadlock in ext4_da_get_block_prep ext4 8 27d 150d 💬 0 [150d]
kernel BUG in ext4_enable_quotas ext4 C error 13 8h03m 153d 💬 0 [58d]
possible deadlock in ext4_xattr_inode_iget (2) ext4 C done 16 3d21h 153d 💬 0 [58d]
KASAN: use-after-free Read in ext4_find_extent (3) prio:low ext4 C error 27 5d10h 162d 💬 1 [160d]
KASAN: slab-use-after-free Read in check_igot_inode ext4 47 11d 174d 💬 0 [58d]
kernel BUG in ext4_split_extent_at (2) ext4 C error 3 6d14h 176d 💬 1 [149d]
WARNING: locking bug in ext4_ioctl ext4 C done 245 21m 184d 💬 0 [27d]
WARNING: locking bug in __ext4_ioctl ext4 C done 538 1d16h 184d 💬 0 [27d]
WARNING: locking bug in ext4_move_extents ext4 C done 6680 2h23m 184d 💬 0 [27d]
KASAN: use-after-free Read in ext4_search_dir prio:low ext4 C error 17 59m 209d 💬 1 [198d]
KASAN: slab-use-after-free Read in ext4_convert_inline_data_nolock ext4 C error 7 7d20h 254d 💬 1 [90d]
kernel BUG in ext4_write_inline_data_end ext4 C error 32 1d07h 279d 💬 0 [27d]
possible deadlock in start_this_handle (4) fscrypt ext4 81 13d 280d 💬 1 [27d]
possible deadlock in evict (3) ext4 152 2d03h 281d 💬 3 [27d]
kernel BUG in __ext4_journal_stop ext4 C error 17 17d 373d 💬 6 [63d]
WARNING in ext4_write_inode (2) ext4 55 23d 662d 💬 5 [186d]
memory leak in __lookup_slow usb ext4 C 2 463d 784d 💬 0 [784d]
kernel BUG in mpage_prepare_extent_to_map ext4 C done error 145 358d 919d 💬 0 [906d]
moderation (6):
Title Repro Cause bisect Fix bisect Count Last Reported Discussions
KCSAN: data-race in __d_lookup_rcu / __d_rehash (6) ext4 1 16d 15d 💬 0 [never]
KASAN: slab-use-after-free Read in ext4_ext_insert_extent ext4 1 25d 21d 💬 0 [never]
KCSAN: data-race in data_push_tail / string net ext4 268 4d02h 866d 💬 0 [never]
KCSAN: data-race in xas_find_marked / xas_init_marks (2) ext4 719 3d09h 918d 💬 0 [never]
KCSAN: data-race in __mark_inode_dirty / __writeback_single_inode (2) ext4 587 1d08h 1148d 💬 0 [never]
KCSAN: data-race in __find_get_block / has_bh_in_lru ext4 syz 1921 1h51m 1402d 💬 0 [never]