mm subsystem


List(s): linux-mm@kvack.org
Fixed bugs: 425
Parent subsystem(s): kernel (120)
Child subsystems: damon (0)
Title Rank 🛈 Repro Cause bisect Fix bisect Count Last Reported Discussions
KCSAN: data-race in copy_mm / lru_gen_del_mm (3) mm prio:low race:harmful 6 1 11d 9d03h 💬 1 [8d23h]
WARNING in v9fs_fid_get_acl (2) mm prio:high -1 syz, C 4 17h01m 10d PATCH [10d]
inconsistent lock state in fs_reclaim_acquire (4) mm cgroups prio:high 4 syz, C error 8 21h26m 20d PATCH [19d]
WARNING in vma_add_pgoff mm prio:low -1 syz, C 11 14d 22d 💬 4 [21d]
WARNING in setup_conf prio:low mm -1 syz, C 37 57m 36d 💬 2 [7d10h]
INFO: rcu detected stall in kvm_vm_release (4) prio:high mm 1 32 1d12h 40d 💬 3 [40d]
BUG: Bad page state in corrupted prio:high mm -1 syz, C 1 36d 48d PATCH [12d]
WARNING in mmap_region prio:low mm -1 syz 16 53d 52d 💬 1 [50d]
INFO: rcu detected stall in khugepaged (3) prio:normal mm 1 38 6h06m 56d 💬 6 [54d]
INFO: rcu detected stall in netlink_sendmsg (6) prio:low kernfs net mm 1 syz, C error 47 22h23m 59d
WARNING in alloc_vmap_area mm -1 2 61d 60d
INFO: rcu detected stall in filemap_read prio:normal kasan mm 1 syz error 1 64d 60d
WARNING in mas_nomem prio:low mm -1 syz 14 43d 60d 💬 10 [53d]
possible deadlock in hugetlb_vma_lock_free (2) prio:low mm 4 3 23d 67d
INFO: rcu detected stall in sys_epoll_wait (9) prio:high mm input usb 1 syz, C error error 1 94d 92d
INFO: rcu detected stall in dentry_kill prio:high mm 1 syz, C error 100 12h57m 102d PATCH [89d]
KCSAN: data-race in _copy_to_iter / _copy_to_iter (2) race:harmful prio:low block mm 6 3 54d 123d
INFO: rcu detected stall in clone3 (6) prio:high mm 1 54 3d01h 125d
WARNING in alloc_frozen_pages_noprof (2) prio:high mm -1 syz, C 5 27d 127d PATCH [124d]
BUG: unable to handle kernel NULL pointer dereference in qlist_free_all (10) prio:low mm ext4 10 syz, C 3 118d 132d
KCSAN: data-race in mas_wr_store_entry / mtree_range_walk (2) prio:low mm 6 123 15h48m 165d 💬 7 [111d]
INFO: rcu detected stall in kcov_ioctl (3) prio:high mm 1 32 9d01h 174d 💬 1 [174d]
KMSAN: uninit-value in copy_from_kernel_nofault prio:high mm 7 22 45d 197d 💬 3 [197d]
INFO: rcu detected stall in __dentry_kill prio:high mm 1 syz error error 132 76d 210d
possible deadlock in lock_mm_and_find_vma (4) prio:low mm 4 2565 2h44m 215d 💬 2 [160d]
WARNING: refcount bug in call_timer_fn (4) prio:high mm 13 39 25d 220d 💬 4 [44d]
kernel BUG in __page_table_check_zero (3) prio:high mm -1 343 1d15h 223d PATCH [104d]
INFO: rcu detected stall in sendfile64 prio:high mm 1 42 21d 227d
BUG: Bad rss-counter state (6) prio:high mm -1 112 31d 234d
kernel BUG in page_table_check_set (2) prio:low mm -1 1088 1d14h 236d 💬 1 [234d]
INFO: rcu detected stall in vma_merge_new_range (3) prio:low bpf mm 1 syz error error 2 162d 246d
INFO: rcu detected stall in schedule_tail (8) prio:low mm 1 syz, C error error 1 247d 246d
INFO: rcu detected stall in __mmap_complete prio:normal mm 1 syz, C error error 12 27d 268d PATCH [27d]
INFO: rcu detected stall in sys_newfstat (4) prio:low mm 1 syz, C error 83 6d16h 282d
INFO: rcu detected stall in sys_io_uring_enter (3) mm prio:low 1 56 2d07h 284d
INFO: rcu detected stall in finish_dput prio:low mm 1 syz, C error error 138 253d 289d
WARNING in sched_mm_cid_fork prio:low fs mm -1 syz, C error error 332 238d 300d PATCH [279d]
INFO: rcu detected stall in call_usermodehelper_exec_async (4) prio:low mm 1 syz, C error 18 28d 306d
INFO: rcu detected stall in sys_symlink (6) prio:high fs mm 1 syz, C error inconclusive 8 10d 337d
INFO: rcu detected stall in shmem_file_write_iter (3) prio:low mm 1 syz, C 96 14d 343d
INFO: task hung in migrate_pages_batch (4) prio:high mm 1 308 6d07h 350d
WARNING in path_noexec (2) prio:low fs mm -1 syz, C error done 27195 92d 364d PATCH [354d]
WARNING in ext4_mb_load_buddy_gfp prio:high ext4 mm -1 syz, C 183 2h57m 379d PATCH [370d]
INFO: rcu detected stall in sys_madvise (2) prio:high mm 1 63 9d14h 395d
INFO: task hung in writeback_iter (3) prio:high mm fs 1 syz, C error error 24 7d02h 397d PATCH [252d]
WARNING in __alloc_skb (4) mm -1 syz, C 8 200d 398d PATCH [374d]
INFO: rcu detected stall in sys_mount (8) prio:low mm overlayfs 1 syz, C error 45 10d 398d 💬 2 [67d]
INFO: rcu detected stall in sys_munmap (2) prio:low mm 1 syz, C error error 51 11d 404d PATCH [27d]
KASAN: slab-use-after-free Read in lru_add (2) prio:high gfs2 mm 19 syz, C error 12 4h54m 421d PATCH [76d]
WARNING in trace_suspend_resume prio:high mm -1 syz, C 3965 44m 425d 💬 1 [4d16h]
INFO: rcu detected stall in devtmpfsd (3) prio:low mm 1 syz, C error inconclusive 6 64d 436d 💬 2 [435d]
INFO: rcu detected stall in linkwatch_event (5) prio:normal net mm 1 syz error error 3 273d 461d
INFO: rcu detected stall in exit_to_user_mode_loop prio:low mm 1 syz, C error 872 31m 465d PATCH [27d]
INFO: rcu detected stall in vm_area_alloc (6) prio:normal mm 1 syz error error 22 1d18h 487d
INFO: rcu detected stall in vms_gather_munmap_vmas prio:normal mm 1 syz error error 74 3d13h 503d
INFO: rcu detected stall in ext4_end_io_rsv_work (3) prio:normal mm ext4 1 syz, C error error 3 268d 505d
INFO: rcu detected stall in wg_packet_handshake_receive_worker (3) prio:normal wireguard mm 1 syz error error 20 14d 513d
INFO: rcu detected stall in nsim_fib_event_work prio:high mm 1 syz, C error error 9 89d 516d
kernel BUG in __filemap_add_folio prio:low fs mm -1 syz, C done 2272 23h50m 523d PATCH [286d]
BUG: soft lockup in sys_bpf prio:low mm 1 syz, C error 252 7h21m 524d
INFO: task hung in page_cache_ra_order prio:low fs mm 1 syz, C done 131 13d 525d 💬 1 [524d]
INFO: rcu detected stall in clone (7) prio:high mm 1 133 2d22h 552d
INFO: rcu detected stall in sys_mkdir (9) prio:high mm 1 syz done error 7 60d 613d
INFO: rcu detected stall in task_numa_work (2) mm bpf 1 syz, C error error 28 69d 634d
possible deadlock in btrfs_dirty_inode (2) prio:high mm btrfs 4 77 1d10h 653d
INFO: rcu detected stall in mas_preallocate (2) mm 1 syz done error 14 8d06h 659d 💬 6 [569d]
INFO: rcu detected stall in sys_umount (3) prio:low mm 1 syz, C done error 58 49d 660d 💬 2 [407d]
possible deadlock in balance_pgdat (2) scsi mm 4 syz, C 4 630d 664d 💬 1 [621d]
INFO: rcu detected stall in sys_symlinkat (5) prio:normal tomoyo mm 1 syz error error 133 15h22m 665d
INFO: rcu detected stall in sys_sendmmsg (7) prio:high mm 1 148 5d14h 668d
KASAN: slab-use-after-free Read in folio_evictable (3) prio:high gfs2 mm 19 syz, C 80 1d09h 673d 💬 7 [35d]
INFO: rcu detected stall in sys_mmap (3) mm 1 syz, C error error 70 37d 673d
INFO: rcu detected stall in sys_setsockopt (4) prio:high mm 1 syz, C done inconclusive 116 1d13h 673d
INFO: rcu detected stall in security_file_ioctl (9) prio:normal mm 1 syz error 202 3d05h 677d
INFO: rcu detected stall in sys_pipe2 (2) prio:low mm 1 syz done done 148 2d20h 688d
INFO: rcu detected stall in kthreadd (2) mm 1 syz, C unreliable error 147 7h58m 700d
INFO: rcu detected stall in seq_read_iter (2) mm 1 syz, C inconclusive error 10 134d 713d 💬 1 [712d]
WARNING: ODEBUG bug in __folio_put (2) prio:high usb mm -1 syz 28 426d 714d
INFO: rcu detected stall in sys_mprotect (8) prio:normal mm 1 syz done error 142 5h42m 718d
INFO: rcu detected stall in kjournald2 (2) prio:normal block mm 1 syz, C error error 95 10d 726d
INFO: rcu detected stall in vhci_release prio:high mm 1 syz done done 16 24d 731d
INFO: rcu detected stall in shmem_fault (6) mm prio:low 1 syz, C 273 2d02h 740d PATCH [722d]
INFO: rcu detected stall in sys_execve (6) prio:normal mm 1 syz, C done error 93 3d04h 742d
INFO: rcu detected stall in x64_sys_call prio:low mm 1 syz, C error 658 20h32m 750d
BUG: corrupted list in add_to_unbuddied mm 8 syz 43 557d 751d 💬 4 [711d]
INFO: task hung in page_cache_ra_unbounded (2) fs mm 1 syz, C done error 3651 250d 758d 💬 1 [253d]
possible deadlock in attr_data_get_block (2) prio:high mm 4 syz, C error 3806 3d05h 775d PATCH [91d]
INFO: rcu detected stall in kcov_close prio:normal mm 1 253 1d04h 778d
kernel panic: System is deadlocked on memory (2) prio:high mm 2 syz, C 266 4d16h 778d PATCH [8d18h]
INFO: rcu detected stall in vm_mmap_pgoff prio:normal mm 1 syz 124 4d13h 779d PATCH [722d]
WARNING in shmem_evict_inode (3) prio:normal mm -1 101 43d 858d
INFO: rcu detected stall in sendmsg (4) prio:high mm 1 syz, C error error 66 43d 858d
INFO: rcu detected stall in sys_sendto (7) prio:low wireless mm 1 syz, C error error 403 42d 861d
INFO: rcu detected stall in validate_mm (3) mm 1 syz, C error error 41 44d 870d 💬 5 [812d]
INFO: rcu detected stall in sys_clone (8) mm 1 syz, C error 508 1d11h 915d 💬 10 [461d]
INFO: rcu detected stall in sys_syslog (2) mm 1 syz, C error error 54 11d 952d
BUG: soft lockup in pipe_read fs mm 1 syz 5 601d 979d
INFO: task hung in _vm_unmap_aliases (3) prio:low mm 1 syz, C 721 16h05m 994d
INFO: rcu detected stall in sys_socket (10) mm 1 syz, C done 342 2d04h 1034d 💬 6 [1030d]
BUG: spinlock recursion in try_to_wake_up crypto mm 4 syz, C 9 769d 1051d
INFO: rcu detected stall in sys_unshare (9) prio:high kernfs mm 1 syz, C inconclusive done 185 7d01h 1054d 💬 1 [4d16h]
BUG: unable to handle kernel NULL pointer dereference in __kmap_local_page_prot prio:low mm 10 syz, C 138 810d 1091d PATCH [431d]
kernel BUG in filemap_unaccount_folio prio:high mm -1 syz, C done error 529 2d18h 1119d 💬 4 [4d16h]
WARNING in drm_syncobj_array_find prio:low mm dri -1 syz, C 4724 2h08m 1119d PATCH [276d]
INFO: rcu detected stall in sys_openat (3) prio:low mm 1 syz, C error 761 2h42m 1122d
INFO: rcu detected stall in sys_unlink (3) mm 1 syz, C error 430 52m 1143d
KCSAN: data-race in __filemap_remove_folio / folio_mapping (2) prio:low mm 6 1149 1d19h 1254d PATCH [190d]
possible deadlock in filemap_fault prio:high mm 4 syz, C done 3137 2d14h 1426d PATCH [91d]
INFO: rcu detected stall in sys_newfstatat (4) prio:high mm tomoyo 1 syz, C error 641 2d11h 1436d 💬 1 [4d16h]
memory leak in xas_create prio:high mm 3 syz, C 60 44d 1543d PATCH [309d]
WARNING in ext4_dirty_folio mm prio:low -1 syz, C inconclusive done 25934 3d02h 1648d 💬 2 [129d]
INFO: task hung in do_read_cache_folio mm kasan block 1 syz, C error error 179 1194d 1695d 💬 3 [1181d]
INFO: task can't die in wait_on_page_bit_common fs mm 1 syz, C done 5 1870d 2223d
INFO: task hung in do_read_cache_page (3) mm fs 1 syz, C done inconclusive 88 1540d 2437d 💬 2 [2331d]
Title Rank 🛈 Repro Cause bisect Fix bisect Count Last Reported Discussions
KCSAN: data-race in __folio_end_writeback / writeout_period (3) fs mm race:benign prio:high 6 1 14d 14d
KASAN: stack-out-of-bounds Read in sched_show_task (2) mm 17 1 23d 19d
KCSAN: data-race in __writeback_single_inode / xas_clear_mark (10) fs mm race:benign prio:low 6 1 26d 26d
KCSAN: data-race in copy_process / show_stat (6) race:benign prio:low mm 6 1 31d 31d
KCSAN: data-race in copy_mm / rwsem_down_write_slowpath race:benign prio:high mm 6 1 31d 31d
KCSAN: data-race in mem_cgroup_track_foreign_dirty_slowpath / mem_cgroup_track_foreign_dirty_slowpath (10) race:benign prio:low cgroups mm 6 1 36d 36d
KCSAN: data-race in compaction_alloc / compaction_alloc (2) race:benign prio:high mm 6 1 39d 39d
KCSAN: data-race in compact_zone / compact_zone (10) race:benign prio:high mm 6 1 43d 43d
KCSAN: data-race in __set_task_comm / strlen (2) race:benign prio:low fs mm 6 88 8h47m 56d
KCSAN: data-race in __filemap_add_folio / invalidate_bdev (12) race:benign prio:high fs mm 6 3 25d 65d
upstream test error: KCSAN: data-race in __xa_clear_mark / xas_find_marked (6) prio:high fs mm -1 8 2d21h 107d
BUG: soft lockup in pid_child_should_wake prio:low mm 1 3 25d 120d
KCSAN: data-race in mlock_folio / need_mlock_drain (10) prio:low mm 6 4 51d 152d
KCSAN: data-race in mas_walk / mas_wmb_replace (2) prio:low mm 6 40 5d19h 165d
KCSAN: data-race in mas_wmb_replace / mtree_range_walk (2) prio:low mm 6 85 2d16h 166d
KCSAN: data-race in shmem_fallocate / shmem_writeout prio:low mm 6 166 1d08h 255d
KCSAN: data-race in __percpu_counter_init_many / copy_mm (2) prio:low mm 6 35 27d 380d
KCSAN: data-race in copy_folio_from_iter_atomic / copy_folio_from_iter_atomic prio:low ext4 mm 6 230 17h02m 482d
KCSAN: data-race in _copy_from_iter / _copy_from_iter (5) prio:low mm 6 C 156 3d10h 547d
KCSAN: data-race in fill_mg_cmtime / shmem_symlink prio:low mm 6 166 46d 677d
KCSAN: data-race in fill_mg_cmtime / shmem_mknod prio:low mm 6 672 44d 678d
KCSAN: data-race in file_write_and_wait_range / xas_set_mark (2) prio:low mm fs 6 982 4d18h 680d
KCSAN: data-race in shmem_add_to_page_cache / shmem_getattr (5) prio:low mm 6 234 40d 816d
KCSAN: data-race in __filemap_remove_folio / nr_blockdev_pages (5) prio:low mm 6 164 39d 818d
KCSAN: data-race in __writeback_single_inode / xas_set_mark (6) prio:low fs mm 6 885 1d12h 875d
KCSAN: data-race in __lru_add_drain_all / folios_put_refs prio:low mm 6 221 47d 905d
KCSAN: data-race in __filemap_add_folio / nr_blockdev_pages (3) prio:low mm 6 180 44d 1025d
KCSAN: data-race in shmem_file_splice_read / shmem_file_splice_read race:benign prio:low mm 6 3181 7h48m 1026d
KCSAN: data-race in __filemap_add_folio / filemap_write_and_wait_range prio:low mm 6 969 38d 1727d
KCSAN: data-race in __lru_add_drain_all / folio_add_lru prio:low mm 6 2037 40d 1750d
KCSAN: data-race in __xa_clear_mark / xas_find_marked (2) prio:high fs mm 6 5582 10h33m 1921d
KCSAN: data-race in __xa_set_mark / xas_find_marked prio:low fs mm 6 1690 18d 2195d
KCSAN: data-race in xas_clear_mark / xas_find_marked (2) prio:low fs mm 6 C 4172 22h51m 2485d
KCSAN: data-race in xas_find_marked / xas_set_mark prio:low fs mm 6 2621 4d08h 2491d