mm subsystem


List(s): linux-mm@kvack.org
Fixed bugs: 422
Parent subsystem(s): kernel (122)
Child subsystems: damon (0)
Title Rank 🛈 Repro Cause bisect Fix bisect Count Last Reported Discussions
inconsistent lock state in fs_reclaim_acquire (4) mm cgroups prio:high 4 syz, C 5 5d14h 5d01h PATCH [4d08h]
WARNING in swap_put_entries_direct mm -1 1 10d 6d23h 💬 1 [6d21h]
WARNING in vma_add_pgoff mm prio:low -1 syz, C 10 2d07h 6d23h 💬 4 [6d14h]
WARNING in setup_conf mm prio:low -1 1 25d 21d 💬 1 [20d]
INFO: rcu detected stall in kvm_vm_release (4) prio:high mm 1 31 9d00h 25d 💬 3 [24d]
BUG: Bad page state in corrupted prio:high mm -1 syz, C 1 21d 33d PATCH [15h49m]
WARNING in mmap_region prio:low mm -1 syz 16 38d 37d 💬 1 [35d]
INFO: rcu detected stall in khugepaged (3) prio:normal mm 1 35 21d 41d 💬 6 [39d]
WARNING in alloc_vmap_area mm -1 2 46d 44d
INFO: rcu detected stall in filemap_read prio:normal mm kasan 1 syz 1 49d 45d
WARNING in mas_nomem prio:low mm -1 syz 14 28d 45d 💬 10 [38d]
possible deadlock in hugetlb_vma_lock_free (2) prio:low mm 4 3 8d16h 52d
INFO: rcu detected stall in sys_epoll_wait (9) prio:high mm input usb 1 syz, C error error 1 79d 77d
INFO: rcu detected stall in dentry_kill prio:high mm 1 syz, C error 84 4h12m 86d PATCH [73d]
KCSAN: data-race in __anon_vma_prepare / __vmf_anon_prepare (2) race:harmful prio:low mm 6 2 52d 86d PATCH [13d]
KCSAN: data-race in __percpu_counter_limited_add / percpu_counter_add_batch (3) race:harmful prio:low mm 6 2 41d 87d
KCSAN: data-race in _copy_to_iter / _copy_to_iter (2) race:harmful prio:low block mm 6 3 38d 108d
INFO: rcu detected stall in clone3 (6) prio:high mm 1 49 11d 109d
WARNING in alloc_frozen_pages_noprof (2) prio:high mm -1 syz, C 5 12d 111d PATCH [109d]
BUG: unable to handle kernel NULL pointer dereference in qlist_free_all (10) prio:low mm ext4 10 syz, C 3 102d 116d
KCSAN: data-race in mas_wr_store_entry / mtree_range_walk (2) prio:low mm 6 116 9d17h 150d 💬 7 [96d]
INFO: rcu detected stall in kcov_ioctl (3) prio:high mm 1 31 86d 159d 💬 1 [159d]
KMSAN: uninit-value in copy_from_kernel_nofault prio:high mm 7 22 30d 182d 💬 3 [182d]
INFO: rcu detected stall in __dentry_kill prio:high mm 1 syz error 132 61d 195d
possible deadlock in lock_mm_and_find_vma (4) prio:low mm 4 2498 22m 200d 💬 2 [145d]
WARNING: refcount bug in call_timer_fn (4) prio:high mm 13 39 10d 205d 💬 4 [29d]
kernel BUG in __page_table_check_zero (3) prio:high mm -1 320 13h59m 208d PATCH [89d]
INFO: rcu detected stall in sendfile64 prio:high mm 1 42 6d07h 212d
memory leak in __kfree_rcu_sheaf prio:high mm f2fs exfat 3 syz 1 218d 217d 💬 28 [133d]
BUG: Bad rss-counter state (6) prio:high mm -1 112 16d 219d
kernel BUG in page_table_check_set (2) prio:low mm -1 940 13h56m 221d 💬 1 [219d]
INFO: rcu detected stall in vma_merge_new_range (3) prio:low bpf mm 1 syz error error 2 146d 230d
INFO: rcu detected stall in schedule_tail (8) prio:low mm 1 syz, C error error 1 232d 230d
INFO: rcu detected stall in __mmap_complete prio:normal mm 1 syz, C error error 12 12d 253d PATCH [11d]
INFO: rcu detected stall in sys_newfstat (4) prio:low mm 1 syz, C error 80 1d02h 266d
INFO: rcu detected stall in sys_io_uring_enter (3) mm prio:low 1 55 31d 269d
INFO: rcu detected stall in finish_dput prio:low mm 1 syz, C error error 138 238d 273d
WARNING in sched_mm_cid_fork prio:low fs mm -1 syz, C error error 332 223d 285d PATCH [264d]
INFO: rcu detected stall in call_usermodehelper_exec_async (4) prio:low mm 1 syz, C error 18 12d 291d
INFO: rcu detected stall in sys_symlink (6) prio:high mm fs 1 syz, C error inconclusive 6 128d 322d
INFO: rcu detected stall in shmem_file_write_iter (3) prio:low mm 1 syz, C 95 14d 327d
INFO: task hung in migrate_pages_batch (4) prio:high mm 1 305 4d21h 335d
WARNING in path_noexec (2) prio:low fs mm -1 syz, C error done 27195 77d 349d PATCH [339d]
WARNING in ext4_mb_load_buddy_gfp prio:high ext4 mm -1 syz, C 112 6h39m 364d PATCH [355d]
INFO: rcu detected stall in sys_madvise (2) prio:high mm 1 62 17d 379d
INFO: task hung in writeback_iter (3) prio:high fs mm 1 syz, C error error 23 5h48m 382d PATCH [236d]
WARNING in __alloc_skb (4) mm -1 syz, C 8 185d 383d PATCH [359d]
INFO: rcu detected stall in sys_mount (8) prio:low overlayfs mm 1 syz, C error 44 18d 383d 💬 2 [52d]
INFO: rcu detected stall in sys_munmap (2) prio:low mm 1 syz, C error error 50 25d 388d PATCH [11d]
KASAN: slab-use-after-free Read in lru_add (2) prio:high gfs2 mm 19 syz, C error 12 127d 406d PATCH [61d]
WARNING in trace_suspend_resume prio:high mm -1 syz, C 3953 16h41m 410d 💬 1 [20d]
INFO: rcu detected stall in devtmpfsd (3) prio:low mm 1 syz, C error inconclusive 6 49d 421d 💬 2 [420d]
INFO: rcu detected stall in linkwatch_event (5) prio:normal net mm 1 syz error error 3 258d 445d
INFO: rcu detected stall in exit_to_user_mode_loop prio:low mm 1 syz, C error 781 9h23m 450d PATCH [11d]
INFO: rcu detected stall in vm_area_alloc (6) prio:normal mm 1 syz error error 20 6d14h 472d
INFO: rcu detected stall in vms_gather_munmap_vmas prio:normal mm 1 syz error error 70 2d11h 488d
INFO: rcu detected stall in ext4_end_io_rsv_work (3) prio:normal mm ext4 1 syz, C error error 3 253d 490d
INFO: rcu detected stall in wg_packet_handshake_receive_worker (3) prio:normal mm 1 syz error error 19 23d 498d
INFO: rcu detected stall in nsim_fib_event_work prio:high mm 1 syz, C error error 9 74d 501d
kernel BUG in __filemap_add_folio prio:low fs mm -1 syz, C done 2244 13h04m 507d PATCH [270d]
BUG: soft lockup in sys_bpf prio:low mm 1 syz, C error 233 1d07h 509d
INFO: task hung in page_cache_ra_order prio:low mm fs 1 syz, C done 130 4d23h 510d 💬 1 [509d]
INFO: rcu detected stall in clone (7) prio:high mm 1 131 4d01h 536d
INFO: rcu detected stall in sys_mkdir (9) prio:high mm 1 syz done error 7 44d 597d
INFO: rcu detected stall in task_numa_work (2) mm bpf 1 syz, C error error 28 54d 618d
INFO: rcu detected stall in mas_preallocate (2) mm 1 syz done error 12 17d 644d 💬 6 [553d]
INFO: rcu detected stall in sys_umount (3) prio:low mm 1 syz, C done error 58 34d 645d 💬 2 [391d]
possible deadlock in balance_pgdat (2) scsi mm 4 syz, C 4 615d 648d 💬 1 [606d]
INFO: rcu detected stall in sys_sendmmsg (7) prio:high mm net 1 147 15d 653d
KASAN: slab-use-after-free Read in folio_evictable (3) prio:high gfs2 mm 19 syz, C 79 27d 657d 💬 7 [20d]
INFO: rcu detected stall in sys_mmap (3) mm 1 syz, C error error 70 21d 658d
INFO: rcu detected stall in sys_setsockopt (4) prio:high mm 1 syz, C done inconclusive 114 2d10h 658d
INFO: rcu detected stall in security_file_ioctl (9) prio:normal mm 1 syz error 197 2d06h 661d
INFO: rcu detected stall in sys_pipe2 (2) prio:low mm 1 syz done done 144 20d 673d
INFO: rcu detected stall in kthreadd (2) mm 1 syz, C unreliable error 142 5d22h 684d
INFO: rcu detected stall in seq_read_iter (2) mm 1 syz, C inconclusive error 10 118d 698d 💬 1 [697d]
WARNING: ODEBUG bug in __folio_put (2) prio:high usb mm -1 syz 28 411d 699d
INFO: rcu detected stall in sys_mprotect (8) prio:normal mm 1 syz done error 136 12m 703d
INFO: rcu detected stall in kjournald2 (2) mm block prio:normal 1 syz, C error error 94 15d 711d
INFO: rcu detected stall in vhci_release prio:high mm 1 syz done done 16 9d19h 716d
INFO: rcu detected stall in shmem_fault (6) mm prio:low 1 syz, C 266 1d18h 725d PATCH [707d]
INFO: rcu detected stall in sys_execve (6) prio:normal mm 1 syz, C done error 91 12d 727d
INFO: rcu detected stall in x64_sys_call prio:low mm 1 syz, C error 649 4h01m 735d
BUG: corrupted list in add_to_unbuddied mm 8 syz 43 542d 736d 💬 4 [696d]
INFO: task hung in page_cache_ra_unbounded (2) fs mm 1 syz, C done error 3651 235d 743d 💬 1 [238d]
INFO: rcu detected stall in kcov_close prio:normal mm 1 249 16h07m 763d
kernel panic: System is deadlocked on memory (2) prio:high mm 2 syz, C 249 2d14h 763d
INFO: rcu detected stall in vm_mmap_pgoff prio:normal mm 1 syz 123 5d15h 764d PATCH [707d]
WARNING in drm_mode_create_lease_ioctl prio:low mm -1 syz, C inconclusive error 86 42d 810d PATCH [591d]
INFO: rcu detected stall in addrconf_rs_timer (6) prio:normal virt mm netfilter 1 syz error error 706 15d 835d
WARNING in shmem_evict_inode (3) prio:normal mm -1 101 28d 843d
INFO: rcu detected stall in sendmsg (4) prio:high mm 1 syz, C error error 66 28d 843d
INFO: rcu detected stall in sys_sendto (7) prio:low wireless mm 1 syz, C error error 403 27d 846d
INFO: rcu detected stall in validate_mm (3) mm 1 syz, C error error 41 29d 855d 💬 5 [797d]
INFO: rcu detected stall in sys_clone (8) mm 1 syz, C error 501 8d07h 900d 💬 10 [446d]
INFO: rcu detected stall in sys_syslog (2) mm 1 syz, C error error 53 37d 937d
BUG: soft lockup in pipe_read fs mm 1 syz 5 586d 963d
INFO: task hung in _vm_unmap_aliases (3) prio:low mm 1 syz, C 720 2d14h 979d
INFO: rcu detected stall in sys_socket (10) mm 1 syz, C done 324 14h17m 1019d 💬 6 [1014d]
BUG: spinlock recursion in try_to_wake_up mm crypto 4 syz, C 9 753d 1036d
BUG: unable to handle kernel NULL pointer dereference in __kmap_local_page_prot prio:low mm 10 syz, C 138 795d 1076d PATCH [416d]
kernel BUG in filemap_unaccount_folio prio:high mm -1 syz, C done error 528 23h07m 1104d 💬 4 [20d]
WARNING in drm_syncobj_array_find prio:low dri mm -1 syz, C 4656 8h55m 1104d PATCH [261d]
INFO: rcu detected stall in sys_openat (3) prio:low mm 1 syz, C error 735 3h26m 1107d
INFO: rcu detected stall in sys_unlink (3) mm 1 syz, C error 423 11d 1128d
KCSAN: data-race in __filemap_remove_folio / folio_mapping (2) prio:low mm 6 1129 10h42m 1239d PATCH [175d]
possible deadlock in filemap_fault prio:high mm 4 syz, C done 3131 10h02m 1411d PATCH [75d]
INFO: rcu detected stall in sys_newfstatat (4) prio:high mm tomoyo 1 syz, C error 636 3d00h 1420d 💬 1 [20d]
memory leak in xas_create prio:high mm 3 syz, C 60 29d 1528d PATCH [294d]
WARNING in ext4_dirty_folio mm prio:low -1 syz, C inconclusive done 25930 3h45m 1633d 💬 2 [114d]
INFO: task hung in do_read_cache_folio kasan block mm 1 syz, C error error 179 1179d 1680d 💬 3 [1166d]
INFO: task can't die in wait_on_page_bit_common fs mm 1 syz, C done 5 1855d 2208d
INFO: task hung in do_read_cache_page (3) fs mm 1 syz, C done inconclusive 88 1525d 2422d 💬 2 [2316d]
Title Rank 🛈 Repro Cause bisect Fix bisect Count Last Reported Discussions
KASAN: stack-out-of-bounds Read in sched_show_task (2) mm 17 1 8d15h 4d15h
KCSAN: data-race in __writeback_single_inode / xas_clear_mark (10) fs mm race:benign prio:low 6 1 11d 11d
KCSAN: data-race in copy_process / show_stat (6) mm race:benign prio:low 6 1 16d 16d
KCSAN: data-race in copy_mm / rwsem_down_write_slowpath mm race:benign prio:high 6 1 16d 16d
KCSAN: data-race in mem_cgroup_track_foreign_dirty_slowpath / mem_cgroup_track_foreign_dirty_slowpath (10) cgroups mm race:benign prio:low 6 1 21d 21d
KCSAN: data-race in compaction_alloc / compaction_alloc (2) mm race:benign prio:high 6 1 24d 24d
KCSAN: data-race in compact_zone / compact_zone (10) mm race:benign prio:high 6 1 28d 28d
KCSAN: data-race in __set_task_comm / strlen (2) race:benign prio:low fs mm 6 62 7h12m 41d
KCSAN: data-race in copy_mm / vma_complete (4) race:benign prio:low mm 6 1 43d 43d
KCSAN: data-race in __anon_vma_prepare / handle_mm_fault (7) race:benign prio:low mm 6 1 47d 47d
KCSAN: data-race in __filemap_add_folio / invalidate_bdev (12) race:benign prio:high mm fs 6 3 10d 50d
general protection fault in __refill_obj_stock prio:high cgroups mm 2 1 77d 73d
KCSAN: data-race in _copy_to_iter / copy_folio_from_iter_atomic (4) race:benign prio:low iomap mm 6 3 48d 87d
upstream test error: KCSAN: data-race in __xa_clear_mark / xas_find_marked (6) prio:high fs mm -1 6 10d 92d
BUG: soft lockup in pid_child_should_wake prio:low mm 1 3 10d 105d
KCSAN: data-race in mlock_folio / need_mlock_drain (10) prio:low mm 6 4 36d 137d
KCSAN: data-race in mas_walk / mas_wmb_replace (2) prio:low mm 6 39 8d08h 150d
KCSAN: data-race in mas_wmb_replace / mtree_range_walk (2) prio:low mm 6 81 1d07h 151d
KCSAN: data-race in shmem_fallocate / shmem_writeout prio:low mm 6 154 1d20h 240d
KCSAN: data-race in __percpu_counter_init_many / copy_mm (2) prio:low mm 6 35 11d 365d
KCSAN: data-race in _copy_from_iter / _copy_from_iter (5) prio:low mm 6 155 5d14h 532d
KCSAN: data-race in fill_mg_cmtime / shmem_symlink prio:low mm 6 166 31d 661d
KCSAN: data-race in fill_mg_cmtime / shmem_mknod prio:low mm 6 672 29d 663d
KCSAN: data-race in file_write_and_wait_range / xas_set_mark (2) prio:low fs mm 6 979 5d22h 664d
KCSAN: data-race in shmem_add_to_page_cache / shmem_getattr (5) prio:low mm 6 234 25d 801d
KCSAN: data-race in __filemap_remove_folio / nr_blockdev_pages (5) prio:low mm 6 164 24d 803d
KCSAN: data-race in __writeback_single_inode / xas_set_mark (6) prio:low fs mm 6 884 9d23h 860d
KCSAN: data-race in __lru_add_drain_all / folios_put_refs prio:low mm 6 221 32d 890d
KCSAN: data-race in __filemap_add_folio / nr_blockdev_pages (3) prio:low mm 6 180 29d 1010d
KCSAN: data-race in shmem_file_splice_read / shmem_file_splice_read race:benign prio:low mm 6 3132 9h41m 1011d
KCSAN: data-race in __filemap_add_folio / filemap_write_and_wait_range prio:low mm 6 969 23d 1712d
KCSAN: data-race in __lru_add_drain_all / folio_add_lru prio:low mm 6 2037 25d 1735d
KCSAN: data-race in __xa_clear_mark / xas_find_marked (2) prio:high fs mm 6 5550 8h15m 1906d
KCSAN: data-race in __xa_set_mark / xas_find_marked prio:low fs mm 6 1690 3d16h 2180d
KCSAN: data-race in xas_clear_mark / xas_find_marked (2) prio:low fs mm 6 4166 8h46m 2470d
KCSAN: data-race in xas_find_marked / xas_set_mark prio:low fs mm 6 2616 5d05h 2475d