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🐞 Open [1286] ≡ Subsystems 🐞 Fixed [5450] 🐞 Invalid [12907] ⬇ Missing Backports [110] 📈 Kernel Health 📈 Bugs/Month 📈 Bug Lifetimes 📈 Fuzzing 📈 Crashes 📈 Coverage 💬 Send us feedback

Applied filters: Label=subsystems:mm (drop)
open (62):
Title Repro Cause bisect Fix bisect Count Last Reported Discussions
possible deadlock in __mmap_lock_do_trace_released mm C done 2 5d04h 1d17h 💬 2 [1d14h]
KCSAN: data-race in __anon_vma_prepare / handle_mm_fault (3) mm 2 10d 10d
KCSAN: data-race in mtree_range_walk / rcu_segcblist_enqueue (2) mm 1 13d 12d 💬 3 [10d]
WARNING in __page_table_check_ptes_set (2) mm 15 14d 21d 💬 4 [21d]
KMSAN: uninit-value in zswap_store mm 1 29d 25d PATCH [20d]
BUG: unable to handle kernel NULL pointer dereference in __swap_duplicate mm C 1 34d 30d
kernel panic: corrupted stack end in userfaultfd_ioctl mm C 1 34d 30d 💬 3 [29d]
BUG: unable to handle kernel paging request in free_unref_page mm syz 2 20d 33d
UBSAN: shift-out-of-bounds in do_shrink_slab mm 4 36d 33d 💬 3 [30d]
INFO: rcu detected stall in kcompactd (2) mm C error 3 36d 33d 💬 2 [33d]
possible deadlock in try_to_wake_up (5) mm 5 3d03h 34d
INFO: rcu detected stall in ext4_release_file (2) ext4 mm C error 3 8d22h 35d
possible deadlock in __mmap_lock_do_trace_acquire_returned (2) mm C error 235 1d04h 38d
INFO: rcu detected stall in shmem_file_write_iter (2) mm 89 14h18m 38d
WARNING in shmem_evict_inode (3) mm 12 1d06h 40d
INFO: rcu detected stall in sys_sendto (7) sctp mm C error 18 6d06h 43d
INFO: task hung in __lru_add_drain_all (2) mm 168 2h21m 47d
BUG: Bad rss-counter state (5) mm C done 784 2d02h 52d 💬 3 [3d02h]
INFO: rcu detected stall in validate_mm (3) mm C error 12 6d04h 53d 💬 2 [1d04h]
INFO: rcu detected stall in sock_write_iter (3) mm netfilter C done 12 5d20h 58d 💬 1 [57d]
general protection fault in __pte_offset_map_lock mm C done 64 6d20h 59d
WARNING in hpage_collapse_scan_pmd (2) mm syz 3 57d 61d 💬 1 [58d]
KMSAN: uninit-value in zswap_rb_insert mm 1 69d 65d 💬 1 [65d]
possible deadlock in __mmap_lock_do_trace_start_locking mm C done 11 5d18h 69d 💬 1 [17d]
possible deadlock in gup_fast_fallback mm 31 13h24m 74d
KASAN: slab-use-after-free Read in hugetlb_fault mm C done done 6 53d 77d 💬 2 [23d]
INFO: rcu detected stall in __run_timer_base kasan mm media C done 10 13d 81d PATCH [61d]
KMSAN: kernel-infoleak in bpf_probe_write_user mm C 3 68d 82d 💬 6 [77d]
INFO: rcu detected stall in sys_wait4 (4) mm C done 2 50d 83d
inconsistent lock state in __mmap_lock_do_trace_acquire_returned mm C error 477 7d16h 91d 💬 2 [3d02h]
WARNING: bad unlock balance in madvise_cold_or_pageout_pte_range mm C error 8 90d 92d 💬 4 [90d]
INFO: rcu detected stall in sys_clone (8) bpf mm C error 35 3d12h 97d 💬 10 [1d05h]
WARNING in validate_chain mm C error error 19 69d 98d
kernel BUG in const_folio_flags mm 4 85d 105d 💬 4 [104d]
INFO: rcu detected stall in asm_exc_page_fault mm input usb syz 1 120d 116d 💬 3 [115d]
WARNING in try_to_migrate_one (2) mm C error 6 57d 117d 💬 2 [79d]
WARNING in try_to_unmap_one mm 2 84d 121d
WARNING in kunmap_local_indexed mm C 1205 4h55m 128d
BUG: unable to handle kernel paging request in bpf_probe_read_kernel_str mm C done error 4 131d 148d
kernel BUG in validate_mm (3) mm C error 3 157d 157d 💬 2 [156d]
BUG: soft lockup in pipe_read fs mm syz 4 21d 161d
INFO: rcu detected stall in dput (8) mm C done 90 10h58m 185d
kernel BUG in add_to_swap mm 7 37d 197d 💬 1 [197d]
KASAN: slab-out-of-bounds Write in shmem_file_read_iter hfs mm C error 3 10d 202d
BUG: spinlock recursion in try_to_wake_up mm C 2 82d 233d
WARNING in __gup_longterm_locked (2) mm 17 39d 246d
INFO: rcu detected stall in worker_thread (9) mm netfilter batman C done 1077 7h10m 270d PATCH [264d]
BUG: unable to handle kernel NULL pointer dereference in __kmap_local_page_prot mm C 124 6h22m 273d
KASAN: slab-out-of-bounds Read in generic_perform_write hfs mm C inconclusive 10260 9d01h 284d PATCH [282d]
kernel BUG in filemap_unaccount_folio mm C done 37 1d04h 301d 💬 3 [106d]
BUG: unable to handle kernel paging request in list_lru_add mm syz 49 35d 303d
INFO: rcu detected stall in sys_openat (3) mm C error 61 13h29m 305d
kernel BUG in do_page_mkwrite mm C done 16 61d 322d
KCSAN: data-race in generic_fillattr / shmem_mknod (2) mm syz 722 7d05h 437d 💬 5 [3d02h]
possible deadlock in filemap_fault mm C done 1197 6h32m 608d 💬 3 [3d02h]
memory leak in xas_create mm C 15 196d 726d 💬 9 [232d]
WARNING in ext4_dirty_folio mm C inconclusive done 25792 2d00h 830d 💬 1 [3d02h]
INFO: task hung in do_read_cache_folio mm block kasan C error error 179 376d 878d 💬 3 [363d]
INFO: task can't die in shrink_inactive_list (2) mm C error 2 1325d 1321d 💬 10 [1244d]
INFO: rcu detected stall in addrconf_dad_work (5) kasan mm wireless C done inconclusive 12 13d 1395d
INFO: task can't die in wait_on_page_bit_common fs mm C done 5 1052d 1405d
INFO: task hung in do_read_cache_page (3) mm fs C done inconclusive 88 722d 1620d 💬 2 [1514d]
moderation (54):
Title Repro Cause bisect Fix bisect Count Last Reported Discussions
KCSAN: data-race in bprm_execve / copy_fs (3) fs mm 1 21h03m 21h03m
KCSAN: data-race in __filemap_remove_folio / nr_blockdev_pages (5) mm 1 1d03h 1d03h
KCSAN: data-race in do_try_to_free_pages / shrink_node (6) mm 1 3d19h 3d19h
KCSAN: data-race in fprop_new_period / fprop_reflect_period_percpu (11) mm fs 1 4d09h 4d09h
BUG: corrupted list in __page_cache_release mm 4 9d04h 5d03h
KCSAN: data-race in mem_cgroup_track_foreign_dirty_slowpath / mem_cgroup_track_foreign_dirty_slowpath (5) fs mm 1 6d10h 6d10h
KCSAN: data-race in generic_fillattr / shmem_symlink (3) mm 1 7d03h 7d03h
general protection fault in __mod_memcg_state cgroups mm 1 12d 8d02h
KCSAN: data-race in fprop_reflect_period_percpu / fprop_reflect_period_percpu (6) fs mm 1 10d 10d
KCSAN: data-race in generic_fillattr / shmem_unlink (4) mm 1 10d 10d
KCSAN: data-race in __filemap_add_folio / kiocb_invalidate_post_direct_write (4) fs mm 1 10d 10d
upstream test error: KCSAN: data-race in __xa_clear_mark / xas_find_marked fs mm 1 11d 11d
KCSAN: data-race in list_lru_add / list_lru_count_node (11) mm 1 12d 12d
BUG: unable to handle kernel NULL pointer dereference in folio_mark_dirty (2) fs mm 5 14d 15d
KCSAN: data-race in folios_put_refs / need_mlock_drain mm 3 11d 16d
KCSAN: data-race in filemap_fdatawrite_wbc / xas_clear_mark (4) fs mm 1 19d 19d
KCSAN: data-race in try_to_unmap_one / try_to_unmap_one (2) mm 2 11d 22d
kernel panic: corrupted stack end in vma_iter_store mm 1 29d 25d
KCSAN: data-race in mlock_folio / need_mlock_drain (5) mm 1 28d 28d
KCSAN: data-race in __filemap_remove_folio / migrate_pages_batch (2) mm 1 28d 28d
KCSAN: data-race in __delete_from_swap_cache / folio_mapping (4) mm 4 7d04h 29d
KCSAN: data-race in __filemap_remove_folio / file_write_and_wait_range (6) mm iomap 2 12d 30d
kernel panic: corrupted stack end in handle_page_fault mm 1 35d 31d
KCSAN: data-race in munlock_folio / need_mlock_drain (5) mm 5 7h51m 31d
kernel panic: corrupted stack end in mntput fs mm 2 21d 32d
BUG: unable to handle kernel paging request in ntfs_fill_super (2) mm 3 26d 56d
KCSAN: data-race in __writeback_single_inode / xas_set_mark (6) fs mm 9 6d22h 58d
KCSAN: data-race in _copy_from_iter / _copy_from_iter (3) mm 4 2d05h 66d
KCSAN: data-race in ondemand_readahead / ondemand_readahead (11) fs mm 98 1d14h 79d
KCSAN: data-race in mlock_new_folio / need_mlock_drain (3) mm 15 6h27m 84d
KCSAN: data-race in getrusage / unmap_region mm 31 2d12h 86d
KCSAN: data-race in __lru_add_drain_all / folios_put_refs mm 30 3h43m 87d
WARNING: refcount bug in __set_page_owner mm 2 84d 88d
KCSAN: data-race in __filemap_add_folio / file_write_and_wait_range (5) mm 12 17d 134d
general protection fault in khugepaged (3) mm 4 2d07h 148d
INFO: task hung in page_cache_ra_unbounded (2) fs mm 488 30m 156d
KCSAN: data-race in mas_walk / mas_wmb_replace mm 102 13h45m 174d
KCSAN: data-race in mas_wmb_replace / mtree_range_walk mm 251 13h00m 176d
KCSAN: data-race in mas_wr_modify / mtree_range_walk mm 222 15h56m 176d
KCSAN: data-race in call_rcu / mtree_range_walk mm 377 1h37m 176d
KCSAN: data-race in mas_replace_node / mtree_range_walk mm 298 12h45m 176d
KCSAN: data-race in __filemap_remove_folio / filemap_write_and_wait_range (3) mm 75 24d 208d
KCSAN: data-race in shmem_file_splice_read / shmem_file_splice_read mm 255 15h08m 208d
KCSAN: data-race in __wb_writeout_add / writeout_period (4) fs mm 146 9d14h 209d
KCSAN: data-race in __lru_add_drain_all / folio_add_lru_vma mm 303 18h31m 209d
KCSAN: data-race in __wb_update_bandwidth / percpu_counter_add_batch (7) fs mm 295 2d17h 210d
KCSAN: data-race in filemap_fdatawrite_wbc / xas_set_mark fs mm 700 6h40m 786d
KCSAN: data-race in __filemap_add_folio / filemap_write_and_wait_range mm fs 750 58m 909d
KCSAN: data-race in __lru_add_drain_all / folio_add_lru mm 818 1d06h 932d
KCSAN: data-race in __xa_clear_mark / xas_find_marked (2) fs mm 4006 4h43m 1103d
KCSAN: data-race in __xa_set_mark / xas_find_marked fs mm 1417 1d19h 1378d
KCSAN: data-race in xas_clear_mark / xas_find_marked (2) mm fs 3790 4h15m 1667d
KCSAN: data-race in xas_find_marked / xas_set_mark fs mm 1335 5d21h 1673d
corrupted report (2) fs mm 530784 now 2276d