mm subsystem


List(s): linux-mm@kvack.org
Fixed bugs: 425
Parent subsystem(s): kernel (118)
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 12d 10d 💬 1 [10d]
WARNING in v9fs_fid_get_acl (2) mm prio:high -1 syz, C 4 2d08h 12d PATCH [12d]
inconsistent lock state in fs_reclaim_acquire (4) mm cgroups prio:high 4 syz, C error 15 1d00h 21d PATCH [21d]
WARNING in vma_add_pgoff mm prio:low -1 syz, C 11 16d 23d 💬 4 [23d]
WARNING in setup_conf prio:low mm -1 syz, C 40 16h28m 37d 💬 2 [9d01h]
INFO: rcu detected stall in kvm_vm_release (4) prio:high mm 1 32 3d03h 42d 💬 3 [41d]
BUG: Bad page state in corrupted prio:high mm -1 syz, C 2 13h42m 49d PATCH [13d]
WARNING in mmap_region prio:low mm -1 syz 16 55d 53d 💬 1 [52d]
INFO: rcu detected stall in khugepaged (3) prio:normal mm 1 38 1d21h 57d 💬 6 [56d]
INFO: rcu detected stall in netlink_sendmsg (6) prio:low kernfs net mm 1 syz, C error 48 1d13h 60d
WARNING in alloc_vmap_area mm -1 2 63d 61d
INFO: rcu detected stall in filemap_read prio:normal kasan mm 1 syz error 1 66d 61d
WARNING in mas_nomem prio:low mm -1 syz 14 45d 62d 💬 10 [54d]
possible deadlock in hugetlb_vma_lock_free (2) prio:low mm 4 3 25d 69d
INFO: rcu detected stall in sys_epoll_wait (9) prio:high mm input usb 1 syz, C error error 1 95d 93d
INFO: rcu detected stall in dentry_kill prio:high mm 1 syz, C error 102 14h20m 103d PATCH [90d]
KCSAN: data-race in _copy_to_iter / _copy_to_iter (2) race:harmful prio:low block mm 6 3 55d 124d
INFO: rcu detected stall in clone3 (6) prio:high mm 1 57 51m 126d
WARNING in alloc_frozen_pages_noprof (2) prio:high mm -1 syz, C 5 29d 128d PATCH [126d]
BUG: unable to handle kernel NULL pointer dereference in qlist_free_all (10) prio:low mm ext4 10 syz, C 3 119d 133d
KCSAN: data-race in mas_wr_store_entry / mtree_range_walk (2) prio:low mm 6 C 124 1d08h 167d 💬 7 [1d08h]
INFO: rcu detected stall in kcov_ioctl (3) prio:high mm 1 32 10d 175d 💬 1 [175d]
KMSAN: uninit-value in copy_from_kernel_nofault prio:high mm 7 22 47d 199d 💬 3 [199d]
INFO: rcu detected stall in __dentry_kill prio:high mm 1 syz error error 132 78d 212d
possible deadlock in lock_mm_and_find_vma (4) prio:low mm 4 2571 1h02m 217d 💬 2 [162d]
WARNING: refcount bug in call_timer_fn (4) prio:high mm 13 39 27d 221d 💬 4 [46d]
kernel BUG in __page_table_check_zero (3) prio:high mm -1 343 3d06h 224d PATCH [106d]
INFO: rcu detected stall in sendfile64 prio:high mm 1 42 23d 228d
BUG: Bad rss-counter state (6) prio:high mm -1 112 32d 235d
kernel BUG in page_table_check_set (2) prio:low mm -1 1088 3d05h 237d 💬 1 [236d]
INFO: rcu detected stall in vma_merge_new_range (3) prio:low bpf mm 1 syz error error 2 163d 247d
INFO: rcu detected stall in schedule_tail (8) prio:low mm 1 syz, C error error 1 249d 247d
INFO: rcu detected stall in __mmap_complete prio:normal mm 1 syz, C error error 12 28d 269d PATCH [28d]
INFO: rcu detected stall in sys_newfstat (4) prio:low mm 1 syz, C error 83 8d07h 283d
INFO: rcu detected stall in sys_io_uring_enter (3) mm prio:low 1 56 3d22h 286d
INFO: rcu detected stall in finish_dput prio:low mm 1 syz, C error error 138 255d 290d
WARNING in sched_mm_cid_fork prio:low fs mm -1 syz, C error error 332 240d 302d PATCH [281d]
INFO: rcu detected stall in call_usermodehelper_exec_async (4) prio:low mm 1 syz, C error 18 29d 308d
INFO: rcu detected stall in sys_symlink (6) prio:high fs mm 1 syz, C error inconclusive 8 11d 338d
INFO: rcu detected stall in shmem_file_write_iter (3) prio:low mm 1 syz, C 97 1d14h 344d
INFO: task hung in migrate_pages_batch (4) prio:high mm 1 308 7d22h 352d
WARNING in path_noexec (2) prio:low fs mm -1 syz, C error done 27195 94d 365d PATCH [355d]
WARNING in ext4_mb_load_buddy_gfp prio:high ext4 mm -1 syz, C 211 now 381d PATCH [371d]
INFO: rcu detected stall in sys_madvise (2) prio:high mm 1 63 11d 396d
INFO: task hung in writeback_iter (3) prio:high mm fs 1 syz, C error error 24 8d17h 399d PATCH [253d]
WARNING in __alloc_skb (4) mm -1 syz, C 8 202d 399d PATCH [375d]
INFO: rcu detected stall in sys_mount (8) prio:low mm overlayfs 1 syz, C error 45 12d 400d 💬 2 [68d]
INFO: rcu detected stall in sys_munmap (2) prio:low mm 1 syz, C error error 51 12d 405d PATCH [28d]
KASAN: slab-use-after-free Read in lru_add (2) prio:high gfs2 mm 19 syz, C error 12 1d19h 423d PATCH [78d]
WARNING in trace_suspend_resume prio:high mm -1 syz, C 3976 11h04m 427d 💬 1 [6d07h]
INFO: rcu detected stall in devtmpfsd (3) prio:low mm 1 syz, C error inconclusive 6 66d 438d 💬 2 [437d]
INFO: rcu detected stall in linkwatch_event (5) prio:normal net mm 1 syz error error 3 274d 462d
INFO: rcu detected stall in exit_to_user_mode_loop prio:low mm 1 syz, C error 888 7h08m 467d PATCH [28d]
INFO: rcu detected stall in vm_area_alloc (6) prio:normal mm 1 syz error error 22 3d09h 489d
INFO: rcu detected stall in vms_gather_munmap_vmas prio:normal mm 1 syz error error 74 5d04h 504d
INFO: rcu detected stall in ext4_end_io_rsv_work (3) prio:normal mm ext4 1 syz, C error error 3 270d 507d
INFO: rcu detected stall in wg_packet_handshake_receive_worker (3) prio:normal wireguard mm 1 syz error error 20 15d 515d
INFO: rcu detected stall in nsim_fib_event_work prio:high mm 1 syz, C error error 9 91d 518d
kernel BUG in __filemap_add_folio prio:low fs mm -1 syz, C done 2272 2d14h 524d PATCH [287d]
BUG: soft lockup in sys_bpf prio:low mm 1 syz, C error 253 1d11h 526d
INFO: task hung in page_cache_ra_order prio:low fs mm 1 syz, C done 131 14d 527d 💬 1 [526d]
INFO: rcu detected stall in clone (7) prio:high mm 1 134 9h29m 553d
INFO: rcu detected stall in sys_mkdir (9) prio:high mm 1 syz done error 7 61d 614d
INFO: rcu detected stall in task_numa_work (2) mm bpf 1 syz, C error error 28 70d 635d
possible deadlock in btrfs_dirty_inode (2) prio:high mm btrfs 4 77 3d01h 654d
INFO: rcu detected stall in mas_preallocate (2) mm 1 syz done error 14 9d21h 661d 💬 6 [570d]
INFO: rcu detected stall in sys_umount (3) prio:low mm 1 syz, C done error 58 51d 662d 💬 2 [408d]
possible deadlock in balance_pgdat (2) scsi mm 4 syz, C 4 632d 665d 💬 1 [623d]
INFO: rcu detected stall in sys_symlinkat (5) prio:normal tomoyo mm 1 syz error error 134 1d14h 666d
INFO: rcu detected stall in sys_sendmmsg (7) prio:high mm 1 148 7d05h 670d
KASAN: slab-use-after-free Read in folio_evictable (3) prio:high gfs2 mm 19 syz, C 80 3d00h 674d 💬 7 [37d]
INFO: rcu detected stall in sys_mmap (3) mm 1 syz, C error error 70 38d 675d
INFO: rcu detected stall in sys_setsockopt (4) prio:high mm 1 syz, C done inconclusive 116 3d04h 675d
INFO: rcu detected stall in security_file_ioctl (9) prio:normal mm 1 syz error 202 4d20h 678d
INFO: rcu detected stall in sys_pipe2 (2) prio:low mm 1 syz done done 148 4d11h 690d
INFO: rcu detected stall in kthreadd (2) mm 1 syz, C unreliable error 147 1d22h 701d
INFO: rcu detected stall in seq_read_iter (2) mm 1 syz, C inconclusive error 10 135d 715d 💬 1 [714d]
WARNING: ODEBUG bug in __folio_put (2) prio:high usb mm -1 syz 28 427d 716d
INFO: rcu detected stall in sys_mprotect (8) prio:normal mm 1 syz done error 145 9h07m 720d
INFO: rcu detected stall in kjournald2 (2) prio:normal block mm 1 syz, C error error 95 11d 728d
INFO: rcu detected stall in vhci_release prio:high mm 1 syz done done 16 26d 733d
INFO: rcu detected stall in shmem_fault (6) mm prio:low 1 syz, C 273 3d17h 742d PATCH [724d]
INFO: rcu detected stall in sys_execve (6) prio:normal mm 1 syz, C done error 93 4d19h 744d
INFO: rcu detected stall in x64_sys_call prio:low mm 1 syz, C error 660 14h18m 751d
BUG: corrupted list in add_to_unbuddied mm 8 syz 43 558d 752d 💬 4 [713d]
INFO: task hung in page_cache_ra_unbounded (2) fs mm 1 syz, C done error 3651 251d 759d 💬 1 [255d]
possible deadlock in attr_data_get_block (2) prio:high mm 4 syz, C error 3806 4d20h 777d PATCH [92d]
INFO: rcu detected stall in kcov_close prio:normal mm 1 253 2d19h 780d
kernel panic: System is deadlocked on memory (2) prio:high mm 2 syz, C 271 10h07m 780d PATCH [10d]
INFO: rcu detected stall in vm_mmap_pgoff prio:normal mm 1 syz 124 6d04h 781d PATCH [724d]
WARNING in shmem_evict_inode (3) prio:normal mm -1 101 45d 859d
INFO: rcu detected stall in sendmsg (4) prio:high mm 1 syz, C error error 66 45d 860d
INFO: rcu detected stall in sys_sendto (7) prio:low wireless mm 1 syz, C error error 403 44d 863d
INFO: rcu detected stall in validate_mm (3) mm 1 syz, C error error 41 46d 872d 💬 5 [814d]
INFO: rcu detected stall in sys_clone (8) mm 1 syz, C error 510 20h19m 916d 💬 10 [463d]
INFO: rcu detected stall in sys_syslog (2) mm 1 syz, C error error 54 13d 954d
BUG: soft lockup in pipe_read fs mm 1 syz 5 603d 980d
INFO: task hung in _vm_unmap_aliases (3) prio:low mm 1 syz, C 722 1d04h 996d
INFO: rcu detected stall in sys_socket (10) mm 1 syz, C done 345 9h12m 1036d 💬 6 [1031d]
BUG: spinlock recursion in try_to_wake_up crypto mm 4 syz, C 9 770d 1052d
INFO: rcu detected stall in sys_unshare (9) prio:high kernfs mm 1 syz, C inconclusive done 185 8d16h 1055d 💬 1 [6d07h]
BUG: unable to handle kernel NULL pointer dereference in __kmap_local_page_prot prio:low mm 10 syz, C 138 812d 1093d PATCH [433d]
kernel BUG in filemap_unaccount_folio prio:high mm -1 syz, C done error 529 4d09h 1121d 💬 4 [6d07h]
WARNING in drm_syncobj_array_find prio:low mm dri -1 syz, C 4730 16h27m 1121d PATCH [278d]
INFO: rcu detected stall in sys_openat (3) prio:low mm 1 syz, C error 765 2h18m 1124d
INFO: rcu detected stall in sys_unlink (3) mm 1 syz, C error 432 3h03m 1144d
KCSAN: data-race in __filemap_remove_folio / folio_mapping (2) prio:low mm 6 1152 1h23m 1256d PATCH [192d]
possible deadlock in filemap_fault prio:high mm 4 syz, C done 3138 10h25m 1427d PATCH [92d]
INFO: rcu detected stall in sys_newfstatat (4) prio:high mm tomoyo 1 syz, C error 643 2h34m 1437d 💬 1 [6d07h]
memory leak in xas_create prio:high mm 3 syz, C 60 46d 1545d PATCH [311d]
WARNING in ext4_dirty_folio mm prio:low -1 syz, C inconclusive done 25934 4d17h 1650d 💬 2 [131d]
INFO: task hung in do_read_cache_folio mm kasan block 1 syz, C error error 179 1196d 1697d 💬 3 [1183d]
INFO: task can't die in wait_on_page_bit_common fs mm 1 syz, C done 5 1872d 2224d
INFO: task hung in do_read_cache_page (3) mm fs 1 syz, C done inconclusive 88 1542d 2439d 💬 2 [2333d]
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 16d 16d
KASAN: stack-out-of-bounds Read in sched_show_task (2) mm 17 1 25d 21d
KCSAN: data-race in __writeback_single_inode / xas_clear_mark (10) fs mm race:benign prio:low 6 1 27d 27d
KCSAN: data-race in copy_process / show_stat (6) race:benign prio:low mm 6 1 32d 32d
KCSAN: data-race in copy_mm / rwsem_down_write_slowpath race:benign prio:high mm 6 1 33d 33d
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 38d 38d
KCSAN: data-race in compaction_alloc / compaction_alloc (2) race:benign prio:high mm 6 1 40d 40d
KCSAN: data-race in compact_zone / compact_zone (10) race:benign prio:high mm 6 1 45d 45d
KCSAN: data-race in __set_task_comm / strlen (2) race:benign prio:low fs mm 6 90 5h51m 58d
KCSAN: data-race in __filemap_add_folio / invalidate_bdev (12) race:benign prio:high fs mm 6 3 26d 67d
upstream test error: KCSAN: data-race in __xa_clear_mark / xas_find_marked (6) prio:high fs mm -1 8 4d12h 109d
BUG: soft lockup in pid_child_should_wake prio:low mm 1 3 26d 122d
KCSAN: data-race in mlock_folio / need_mlock_drain (10) prio:low mm 6 4 53d 154d
KCSAN: data-race in mas_walk / mas_wmb_replace (2) prio:low mm 6 40 7d10h 167d
KCSAN: data-race in mas_wmb_replace / mtree_range_walk (2) prio:low mm 6 85 4d07h 168d
KCSAN: data-race in shmem_fallocate / shmem_writeout prio:low mm 6 167 1d00h 257d
KCSAN: data-race in __percpu_counter_init_many / copy_mm (2) prio:low mm 6 35 28d 382d
KCSAN: data-race in copy_folio_from_iter_atomic / copy_folio_from_iter_atomic prio:low ext4 mm 6 230 2d08h 484d
KCSAN: data-race in _copy_from_iter / _copy_from_iter (5) prio:low mm 6 C 156 5d01h 549d
KCSAN: data-race in fill_mg_cmtime / shmem_symlink prio:low mm 6 166 48d 678d
KCSAN: data-race in fill_mg_cmtime / shmem_mknod prio:low mm 6 672 46d 680d
KCSAN: data-race in file_write_and_wait_range / xas_set_mark (2) prio:low mm fs 6 982 6d09h 681d
KCSAN: data-race in shmem_add_to_page_cache / shmem_getattr (5) prio:low mm 6 234 41d 818d
KCSAN: data-race in __filemap_remove_folio / nr_blockdev_pages (5) prio:low mm 6 164 41d 820d
KCSAN: data-race in __writeback_single_inode / xas_set_mark (6) prio:low fs mm 6 885 3d03h 877d
KCSAN: data-race in __lru_add_drain_all / folios_put_refs prio:low mm 6 221 49d 906d
KCSAN: data-race in __filemap_add_folio / nr_blockdev_pages (3) prio:low mm 6 180 46d 1026d
KCSAN: data-race in shmem_file_splice_read / shmem_file_splice_read race:benign prio:low mm 6 3185 1h48m 1027d
KCSAN: data-race in __filemap_add_folio / filemap_write_and_wait_range prio:low mm 6 969 40d 1728d
KCSAN: data-race in __lru_add_drain_all / folio_add_lru prio:low mm 6 2037 42d 1752d
KCSAN: data-race in __xa_clear_mark / xas_find_marked (2) prio:high fs mm 6 5585 6h43m 1923d
KCSAN: data-race in __xa_set_mark / xas_find_marked prio:low fs mm 6 1691 20h49m 2197d
KCSAN: data-race in xas_clear_mark / xas_find_marked (2) prio:low fs mm 6 C 4174 4h17m 2486d
KCSAN: data-race in xas_find_marked / xas_set_mark prio:low fs mm 6 2622 20h49m 2492d