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mm subsystem


List(s): linux-mm@kvack.org
Fixed bugs: 292
Parent subsystem(s): kernel (76)
Child subsystems: damon (0)
open (79):
Title Repro Cause bisect Fix bisect Count Last Reported Discussions
KMSAN: uninit-value in swap_writepage mm 1 4d03h 3h14m
WARNING in vms_complete_munmap_vmas mm C 21 1h56m 1d15h
INFO: rcu detected stall in kswapd (3) mm usb C 1 7d15h 3d15h
WARNING in page_counter_cancel (5) mm C 5 3d08h 5d20h 💬 1 [4d18h]
INFO: rcu detected stall in kjournald2 (2) mm C error 14 1d05h 7d04h
KCSAN: data-race in exec_mmap / vms_clear_ptes mm 2 10d 10d 💬 1 [9d18h]
INFO: rcu detected stall in vhci_release mm bluetooth syz done 4 9d06h 12d
kernel panic: stack is corrupted in _raw_spin_unlock_irqrestore mm ntfs3 syz 2 12d 12d
kernel BUG in page_table_check_clear (2) mm C 7 16h06m 14d 💬 1 [13d]
INFO: task hung in bch2_read_iter bcachefs mm 103 8d23h 16d
KCSAN: data-race in mas_wr_store_entry / mtree_range_walk mm 12 5d11h 17d 💬 4 [16d]
INFO: rcu detected stall in shmem_fault (6) mm 37 2d01h 20d PATCH [3d00h]
KASAN: slab-use-after-free Read in shrinker_free mm C 17 1h38m 21d 💬 2 [21d]
BUG: corrupted list in do_compact_page mm syz 13 8h46m 22d 💬 1 [7d00h]
INFO: rcu detected stall in sys_execve (6) mm syz done 12 23h14m 23d
possible deadlock in refill_stock cgroups mm 1 30d 26d
INFO: rcu detected stall in x64_sys_call mm syz 70 5h48m 30d
BUG: corrupted list in add_to_unbuddied mm 22 5d14h 31d
possible deadlock in obj_cgroup_charge mm cgroups 4 27d 32d
INFO: task hung in hugetlb_fault mm C 64 1d18h 33d
kernel BUG in z3fold_page_migrate mm syz 94 15h23m 36d
INFO: task hung in page_cache_ra_unbounded (2) mm fs C done 3027 39m 38d
KMSAN: uninit-value in zswap_store (2) mm 1 43d 39d 💬 1 [36d]
possible deadlock in lock_mm_and_find_vma (2) mm C 3044 1h07m 40d 💬 1 [6d12h]
BUG: unable to handle kernel paging request in mmap_region mm 381 43d 43d 💬 1 [43d]
general protection fault in ksm_do_scan mm 8 9d16h 44d
KASAN: slab-use-after-free Read in isolate_migratepages_block mm 8 4d05h 47d
KASAN: slab-use-after-free Read in __list_lru_walk_one mm 3 64d 47d
INFO: task hung in hugetlb_wp mm C 93 2h13m 55d
INFO: rcu detected stall in kcov_close mm 50 2d15h 58d
kernel panic: System is deadlocked on memory (2) mm 14 23d 59d
INFO: rcu detected stall in vm_mmap_pgoff mm 48 14h30m 60d PATCH [3d00h]
INFO: rcu detected stall in kcov_ioctl (2) mm 54 22h30m 72d 💬 2 [71d]
possible deadlock in try_charge_memcg cgroups mm 1 84d 80d
BUG: Bad page map (8) mm C done 5 3d17h 83d 💬 10 [9d22h]
kernel BUG in resv_map_release (2) mm 1 92d 88d
general protection fault in khugepaged (3) mm 11 5d14h 88d
WARNING in __page_table_check_ptes_set (2) mm C done 109 11d 119d 💬 4 [9d21h]
WARNING: locking bug in __schedule mm 379 8m 123d
BUG: unable to handle kernel paging request in free_unref_page mm syz 2 48d 131d
INFO: rcu detected stall in kcompactd (2) mm C error 4 26d 131d 💬 2 [131d]
INFO: rcu detected stall in ext4_release_file (2) ext4 mm C error done 3 40d 133d
possible deadlock in __mmap_lock_do_trace_acquire_returned (2) mm C error inconclusive 621 73d 136d
INFO: rcu detected stall in shmem_file_write_iter (2) mm 109 2d06h 136d
WARNING in shmem_evict_inode (3) mm 20 1d03h 138d
INFO: rcu detected stall in sys_sendto (7) mm C error 58 6h24m 141d
INFO: task hung in __lru_add_drain_all (2) mm 264 23h07m 145d
INFO: rcu detected stall in validate_mm (3) mm C error 29 12h37m 151d 💬 5 [93d]
general protection fault in __pte_offset_map_lock mm C done 68 1d19h 157d
possible deadlock in gup_fast_fallback mm C done 737 1h14m 172d
KMSAN: kernel-infoleak in bpf_probe_write_user mm C 3 166d 180d 💬 6 [175d]
inconsistent lock state in __mmap_lock_do_trace_acquire_returned mm C error inconclusive 498 82d 189d 💬 2 [68d]
INFO: rcu detected stall in sys_clone (8) mm C error 76 1d01h 195d 💬 10 [25d]
INFO: rcu detected stall in asm_exc_page_fault mm syz error 3 5d07h 214d 💬 3 [69d]
WARNING in kunmap_local_indexed mm C 1380 80d 226d
INFO: rcu detected stall in sys_syslog (2) mm bpf syz error 18 1d17h 232d
BUG: soft lockup in pipe_read fs mm syz 4 119d 259d
INFO: task hung in _vm_unmap_aliases (3) mm C 473 4h51m 274d
INFO: rcu detected stall in dput (8) mm C done 167 10h29m 283d
KASAN: slab-out-of-bounds Write in shmem_file_read_iter hfs mm C error 3 5d22h 300d
INFO: rcu detected stall in sys_socket (10) mm C done 38 2d15h 314d 💬 6 [310d]
BUG: spinlock recursion in try_to_wake_up mm crypto C 9 49d 331d
INFO: rcu detected stall in worker_thread (9) mm C done 2269 1h05m 368d PATCH [362d]
BUG: unable to handle kernel NULL pointer dereference in __kmap_local_page_prot mm C 138 91d 371d
KASAN: slab-out-of-bounds Read in generic_perform_write hfs mm C inconclusive 10301 1d00h 382d PATCH [97d]
kernel BUG in filemap_unaccount_folio mm C done done 39 89d 399d 💬 3 [57d]
INFO: rcu detected stall in sys_openat (3) mm kernfs C error 127 1h44m 403d
INFO: rcu detected stall in sys_unlink (3) mm fs C error 68 1d14h 423d
KCSAN: data-race in generic_fillattr / shmem_mknod (2) mm syz 750 1d08h 535d 💬 20 [19d]
KCSAN: data-race in __filemap_remove_folio / folio_mapping (2) mm 290 1d21h 535d 💬 6 [7d02h]
possible deadlock in page_cache_ra_unbounded mm reiserfs C error 67 11d 659d
possible deadlock in filemap_fault mm C done 1639 2h10m 706d 💬 3 [7d02h]
INFO: rcu detected stall in sys_newfstatat (4) mm C error 85 5m 716d 💬 1 [57d]
memory leak in xas_create mm C 15 294d 824d 💬 9 [330d]
WARNING in ext4_dirty_folio mm C inconclusive done 25797 9d19h 928d 💬 1 [7d02h]
INFO: task hung in do_read_cache_folio mm block kasan C error error 179 474d 976d 💬 3 [461d]
INFO: rcu detected stall in corrupted (4) mm C done inconclusive 577 1h10m 1496d 💬 7 [7d02h]
INFO: task can't die in wait_on_page_bit_common fs mm C done 5 1150d 1503d
INFO: task hung in do_read_cache_page (3) mm fs C done inconclusive 88 820d 1718d 💬 2 [1612d]
moderation (45):
Title Repro Cause bisect Fix bisect Count Last Reported Discussions
BUG: stack guard page was hit in compat_sys_open mm 1 4d20h 20h31m
KCSAN: data-race in __wb_writeout_add / writeout_period (5) fs mm 1 5d12h 5d12h
KCSAN: data-race in xas_create / xas_find (8) fs mm 1 5d12h 5d12h
INFO: task hung in bchfs_fallocate fs mm 91 11d 9d16h
BUG: stack guard page was hit in compat_sys_sendfile mm 1 11d 9d22h
INFO: task hung in writeback_iter fs mm 118 8d14h 10d
general protection fault in validate_mm mm 1 16d 12d
KCSAN: data-race in __xa_set_mark / filemap_fdatawrite_wbc fs mm 1 13d 13d
KCSAN: data-race in __filemap_add_folio / file_write_and_wait_range (6) fs mm 1 16d 16d
KCSAN: data-race in getrusage / vms_clear_ptes mm 3 13h41m 17d
KCSAN: data-race in __filemap_remove_folio / migrate_pages_batch (3) mm 1 18d 18d
KCSAN: data-race in exec_mmap / unmap_region (7) mm 1 22d 22d
KCSAN: data-race in mem_cgroup_track_foreign_dirty_slowpath / mem_cgroup_track_foreign_dirty_slowpath (6) fs mm 1 22d 22d
KCSAN: data-race in read_pages / read_pages (3) fs mm 1 30d 30d
KASAN: slab-use-after-free Read in folio_evictable (3) mm 3 1d22h 42d
KASAN: slab-use-after-free Read in move_to_new_folio (3) mm 2 46d 43d
KCSAN: data-race in __filemap_add_folio / kiocb_invalidate_post_direct_write (5) fs mm 4 33d 51d
KCSAN: data-race in __wb_update_bandwidth / percpu_counter_add_batch (8) mm fs 4 21d 63d
KCSAN: data-race in shmem_fallocate / shmem_fault (8) mm 7 32d 70d
KCSAN: data-race in mlock_folio / need_mlock_drain (6) mm 7 13d 87d
KCSAN: data-race in shmem_add_to_page_cache / shmem_getattr (5) mm 17 2d14h 96d
KCSAN: data-race in shmem_getattr / shmem_recalc_inode mm 18 2d09h 97d
KCSAN: data-race in __filemap_remove_folio / nr_blockdev_pages (5) mm 16 1d04h 99d
KCSAN: data-race in generic_fillattr / shmem_symlink (3) mm 15 7d09h 105d
KCSAN: data-race in generic_fillattr / shmem_unlink (4) mm 13 4d00h 108d
BUG: unable to handle kernel NULL pointer dereference in folio_mark_dirty (2) mm fs 7 87d 113d
KCSAN: data-race in folios_put_refs / need_mlock_drain mm 20 24d 113d
KCSAN: data-race in munlock_folio / need_mlock_drain (5) mm 14 10d 129d
KCSAN: data-race in __writeback_single_inode / xas_set_mark (6) fs mm 88 8h11m 156d
KCSAN: data-race in mlock_new_folio / need_mlock_drain (3) mm 37 3d17h 182d
KCSAN: data-race in getrusage / unmap_region mm 45 19d 184d
KCSAN: data-race in __lru_add_drain_all / folios_put_refs mm 59 1d16h 185d
KCSAN: data-race in mas_walk / mas_wmb_replace mm 159 now 271d
KCSAN: data-race in mas_wmb_replace / mtree_range_walk mm 369 2d10h 274d
KCSAN: data-race in mas_wr_modify / mtree_range_walk mm 321 22d 274d
KCSAN: data-race in call_rcu / mtree_range_walk mm 564 3h52m 274d
KCSAN: data-race in mas_replace_node / mtree_range_walk mm 425 2d12h 274d
KCSAN: data-race in shmem_file_splice_read / shmem_file_splice_read mm 533 8h09m 306d
KCSAN: data-race in filemap_fdatawrite_wbc / xas_set_mark fs mm 847 2h49m 884d
KCSAN: data-race in __filemap_add_folio / filemap_write_and_wait_range mm 797 2d02h 1007d
KCSAN: data-race in __lru_add_drain_all / folio_add_lru mm 965 6h40m 1030d
KCSAN: data-race in __xa_clear_mark / xas_find_marked (2) fs mm 4219 8h32m 1201d
KCSAN: data-race in __xa_set_mark / xas_find_marked fs mm 1443 3d23h 1476d
KCSAN: data-race in xas_clear_mark / xas_find_marked (2) fs mm 3933 7h20m 1765d
KCSAN: data-race in xas_find_marked / xas_set_mark mm fs 1484 20h26m 1771d