mm subsystem


List(s): linux-mm@kvack.org
Fixed bugs: 422
Parent subsystem(s): kernel (121)
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 7d12h 6d23h PATCH [6d06h]
WARNING in swap_put_entries_direct mm -1 1 12d 8d21h 💬 1 [8d19h]
WARNING in vma_add_pgoff mm prio:low -1 syz, C 11 1d11h 8d21h 💬 4 [8d12h]
WARNING in setup_conf mm prio:low -1 1 27d 22d 💬 1 [22d]
INFO: rcu detected stall in kvm_vm_release (4) prio:high mm 1 31 10d 27d 💬 3 [26d]
BUG: Bad page state in corrupted prio:high mm -1 syz, C 1 23d 34d PATCH [2d13h]
WARNING in mmap_region prio:low mm -1 syz 16 40d 39d 💬 1 [37d]
INFO: rcu detected stall in khugepaged (3) prio:normal mm 1 35 23d 42d 💬 6 [41d]
WARNING in alloc_vmap_area mm -1 2 48d 46d
INFO: rcu detected stall in filemap_read prio:normal mm kasan 1 syz 1 51d 46d
WARNING in mas_nomem prio:low mm -1 syz 14 30d 47d 💬 10 [40d]
possible deadlock in hugetlb_vma_lock_free (2) prio:low mm 4 3 10d 54d
INFO: rcu detected stall in sys_epoll_wait (9) prio:high mm input usb 1 syz, C error error 1 81d 79d
INFO: rcu detected stall in dentry_kill prio:high mm 1 syz, C error 85 1d10h 88d PATCH [75d]
KCSAN: data-race in __anon_vma_prepare / __vmf_anon_prepare (2) race:harmful prio:low mm 6 2 54d 88d PATCH [15d]
KCSAN: data-race in __percpu_counter_limited_add / percpu_counter_add_batch (3) race:harmful prio:low mm 6 3 1d18h 88d
KCSAN: data-race in _copy_to_iter / _copy_to_iter (2) race:harmful prio:low block mm 6 3 40d 110d
INFO: rcu detected stall in clone3 (6) prio:high mm 1 49 13d 111d
WARNING in alloc_frozen_pages_noprof (2) prio:high mm -1 syz, C 5 14d 113d PATCH [111d]
BUG: unable to handle kernel NULL pointer dereference in qlist_free_all (10) prio:low mm ext4 10 syz, C 3 104d 118d
KCSAN: data-race in mas_wr_store_entry / mtree_range_walk (2) prio:low mm 6 116 11d 152d 💬 7 [98d]
INFO: rcu detected stall in kcov_ioctl (3) prio:high mm 1 31 88d 160d 💬 1 [160d]
KMSAN: uninit-value in copy_from_kernel_nofault prio:high mm 7 22 32d 184d 💬 3 [184d]
INFO: rcu detected stall in __dentry_kill prio:high mm 1 syz error 132 63d 197d
possible deadlock in lock_mm_and_find_vma (4) prio:low mm 4 2510 46m 202d 💬 2 [147d]
WARNING: refcount bug in call_timer_fn (4) prio:high mm 13 39 12d 207d 💬 4 [31d]
kernel BUG in __page_table_check_zero (3) prio:high mm -1 320 2d11h 210d PATCH [91d]
INFO: rcu detected stall in sendfile64 prio:high mm 1 42 8d05h 214d
memory leak in __kfree_rcu_sheaf prio:high mm f2fs exfat 3 syz 1 220d 219d 💬 28 [135d]
BUG: Bad rss-counter state (6) prio:high mm -1 112 17d 220d
kernel BUG in page_table_check_set (2) prio:low mm -1 940 2d11h 222d 💬 1 [221d]
INFO: rcu detected stall in vma_merge_new_range (3) prio:low bpf mm 1 syz error error 2 148d 232d
INFO: rcu detected stall in schedule_tail (8) prio:low mm 1 syz, C error error 1 234d 232d
INFO: rcu detected stall in __mmap_complete prio:normal mm 1 syz, C error error 12 14d 254d PATCH [13d]
INFO: rcu detected stall in sys_newfstat (4) prio:low mm 1 syz, C error 80 3d00h 268d
INFO: rcu detected stall in sys_io_uring_enter (3) mm prio:low 1 55 33d 271d
INFO: rcu detected stall in finish_dput prio:low mm 1 syz, C error error 138 240d 275d
WARNING in sched_mm_cid_fork prio:low fs mm -1 syz, C error error 332 225d 287d PATCH [266d]
INFO: rcu detected stall in call_usermodehelper_exec_async (4) prio:low mm 1 syz, C error 18 14d 293d
INFO: rcu detected stall in sys_symlink (6) prio:high mm fs 1 syz, C error inconclusive 7 1d00h 324d
INFO: rcu detected stall in shmem_file_write_iter (3) prio:low mm 1 syz, C 96 1d07h 329d
INFO: task hung in migrate_pages_batch (4) prio:high mm 1 305 6d19h 337d
WARNING in path_noexec (2) prio:low fs mm -1 syz, C error done 27195 79d 351d PATCH [340d]
WARNING in ext4_mb_load_buddy_gfp prio:high ext4 mm -1 syz, C 134 4h56m 366d PATCH [356d]
INFO: rcu detected stall in sys_madvise (2) prio:high mm 1 62 19d 381d
INFO: task hung in writeback_iter (3) prio:high fs mm 1 syz, C error error 23 2d03h 384d PATCH [238d]
WARNING in __alloc_skb (4) mm -1 syz, C 8 187d 385d PATCH [361d]
INFO: rcu detected stall in sys_mount (8) prio:low overlayfs mm 1 syz, C error 44 20d 385d 💬 2 [54d]
INFO: rcu detected stall in sys_munmap (2) prio:low mm 1 syz, C error error 50 27d 390d PATCH [13d]
KASAN: slab-use-after-free Read in lru_add (2) prio:high gfs2 mm 19 syz, C error 12 129d 408d PATCH [63d]
WARNING in trace_suspend_resume prio:high mm -1 syz, C 3953 2d14h 412d 💬 1 [22d]
INFO: rcu detected stall in devtmpfsd (3) prio:low mm 1 syz, C error inconclusive 6 51d 423d 💬 2 [422d]
INFO: rcu detected stall in linkwatch_event (5) prio:normal net mm 1 syz error error 3 260d 447d
INFO: rcu detected stall in exit_to_user_mode_loop prio:low mm 1 syz, C error 790 2h47m 452d PATCH [13d]
INFO: rcu detected stall in vm_area_alloc (6) prio:normal mm 1 syz error error 20 8d11h 474d
INFO: rcu detected stall in vms_gather_munmap_vmas prio:normal mm 1 syz error error 70 4d09h 490d
INFO: rcu detected stall in ext4_end_io_rsv_work (3) prio:normal mm ext4 1 syz, C error error 3 255d 492d
INFO: rcu detected stall in wg_packet_handshake_receive_worker (3) prio:normal mm 1 syz error error 20 18h07m 500d
INFO: rcu detected stall in nsim_fib_event_work prio:high mm 1 syz, C error error 9 76d 503d
kernel BUG in __filemap_add_folio prio:low fs mm -1 syz, C done 2249 6h16m 509d PATCH [272d]
BUG: soft lockup in sys_bpf prio:low mm 1 syz, C error 235 1d02h 511d
INFO: task hung in page_cache_ra_order prio:low mm fs 1 syz, C done 130 6d21h 512d 💬 1 [511d]
INFO: rcu detected stall in clone (7) prio:high mm 1 131 5d23h 538d
INFO: rcu detected stall in sys_mkdir (9) prio:high mm 1 syz done error 7 46d 599d
INFO: rcu detected stall in task_numa_work (2) mm bpf 1 syz, C error error 28 55d 620d
INFO: rcu detected stall in mas_preallocate (2) mm 1 syz done error 12 19d 646d 💬 6 [555d]
INFO: rcu detected stall in sys_umount (3) prio:low mm 1 syz, C done error 58 36d 647d 💬 2 [393d]
possible deadlock in balance_pgdat (2) scsi mm 4 syz, C 4 617d 650d 💬 1 [608d]
INFO: rcu detected stall in sys_sendmmsg (7) prio:high mm net 1 147 17d 655d
KASAN: slab-use-after-free Read in folio_evictable (3) prio:high gfs2 mm 19 syz, C 79 29d 659d 💬 7 [22d]
INFO: rcu detected stall in sys_mmap (3) mm 1 syz, C error error 70 23d 660d
INFO: rcu detected stall in sys_setsockopt (4) prio:high mm 1 syz, C done inconclusive 115 1d20h 660d
INFO: rcu detected stall in security_file_ioctl (9) prio:normal mm 1 syz error 198 1d02h 663d
INFO: rcu detected stall in sys_pipe2 (2) prio:low mm 1 syz done done 144 22d 675d
INFO: rcu detected stall in kthreadd (2) mm 1 syz, C unreliable error 143 12h37m 686d
INFO: rcu detected stall in seq_read_iter (2) mm 1 syz, C inconclusive error 10 120d 700d 💬 1 [699d]
WARNING: ODEBUG bug in __folio_put (2) prio:high usb mm -1 syz 28 413d 701d
INFO: rcu detected stall in sys_mprotect (8) prio:normal mm 1 syz done error 137 1d06h 705d
INFO: rcu detected stall in kjournald2 (2) mm block prio:normal 1 syz, C error error 94 17d 713d
INFO: rcu detected stall in vhci_release prio:high mm 1 syz done done 16 11d 718d
INFO: rcu detected stall in shmem_fault (6) mm prio:low 1 syz, C 268 27m 727d PATCH [709d]
INFO: rcu detected stall in sys_execve (6) prio:normal mm 1 syz, C done error 91 14d 729d
INFO: rcu detected stall in x64_sys_call prio:low mm 1 syz, C error 649 2d01h 737d
BUG: corrupted list in add_to_unbuddied mm 8 syz 43 543d 738d 💬 4 [698d]
INFO: task hung in page_cache_ra_unbounded (2) fs mm 1 syz, C done error 3651 237d 744d 💬 1 [240d]
INFO: rcu detected stall in kcov_close prio:normal mm 1 249 2d14h 765d
kernel panic: System is deadlocked on memory (2) prio:high mm 2 syz, C 251 14h03m 765d
INFO: rcu detected stall in vm_mmap_pgoff prio:normal mm 1 syz 123 7d13h 766d PATCH [709d]
WARNING in drm_mode_create_lease_ioctl prio:low mm -1 syz, C inconclusive error 86 44d 812d PATCH [593d]
INFO: rcu detected stall in addrconf_rs_timer (6) prio:normal virt mm netfilter 1 syz error error 706 17d 837d
WARNING in shmem_evict_inode (3) prio:normal mm -1 101 30d 844d
INFO: rcu detected stall in sendmsg (4) prio:high mm 1 syz, C error error 66 30d 845d
INFO: rcu detected stall in sys_sendto (7) prio:low wireless mm 1 syz, C error error 403 29d 848d
INFO: rcu detected stall in validate_mm (3) mm 1 syz, C error error 41 31d 857d 💬 5 [799d]
INFO: rcu detected stall in sys_clone (8) mm 1 syz, C error 501 10d 901d 💬 10 [448d]
INFO: rcu detected stall in sys_syslog (2) mm 1 syz, C error error 53 39d 939d
BUG: soft lockup in pipe_read fs mm 1 syz 5 588d 965d
INFO: task hung in _vm_unmap_aliases (3) prio:low mm 1 syz, C 720 4d12h 981d
INFO: rcu detected stall in sys_socket (10) mm 1 syz, C done 330 9h46m 1021d 💬 6 [1016d]
BUG: spinlock recursion in try_to_wake_up mm crypto 4 syz, C 9 755d 1038d
BUG: unable to handle kernel NULL pointer dereference in __kmap_local_page_prot prio:low mm 10 syz, C 138 797d 1078d PATCH [418d]
kernel BUG in filemap_unaccount_folio prio:high mm -1 syz, C done error 528 2d21h 1106d 💬 4 [22d]
WARNING in drm_syncobj_array_find prio:low dri mm -1 syz, C 4664 1h37m 1106d PATCH [263d]
INFO: rcu detected stall in sys_openat (3) prio:low mm 1 syz, C error 738 2h47m 1109d
INFO: rcu detected stall in sys_unlink (3) mm 1 syz, C error 424 1d04h 1129d
KCSAN: data-race in __filemap_remove_folio / folio_mapping (2) prio:low mm 6 1133 9h39m 1241d PATCH [177d]
possible deadlock in filemap_fault prio:high mm 4 syz, C done 3131 2d07h 1413d PATCH [77d]
INFO: rcu detected stall in sys_newfstatat (4) prio:high mm tomoyo 1 syz, C error 636 4d22h 1422d 💬 1 [22d]
memory leak in xas_create prio:high mm 3 syz, C 60 31d 1530d PATCH [296d]
WARNING in ext4_dirty_folio mm prio:low -1 syz, C inconclusive done 25930 2d01h 1635d 💬 2 [116d]
INFO: task hung in do_read_cache_folio kasan block mm 1 syz, C error error 179 1181d 1682d 💬 3 [1168d]
INFO: task can't die in wait_on_page_bit_common fs mm 1 syz, C done 5 1857d 2210d
INFO: task hung in do_read_cache_page (3) fs mm 1 syz, C done inconclusive 88 1527d 2424d 💬 2 [2318d]
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 6 1 1d09h 1d09h
KASAN: stack-out-of-bounds Read in sched_show_task (2) mm 17 1 10d 6d13h
KCSAN: data-race in __writeback_single_inode / xas_clear_mark (10) fs mm race:benign prio:low 6 1 12d 12d
KCSAN: data-race in copy_process / show_stat (6) mm race:benign prio:low 6 1 18d 18d
KCSAN: data-race in copy_mm / rwsem_down_write_slowpath mm race:benign prio:high 6 1 18d 18d
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 23d 23d
KCSAN: data-race in compaction_alloc / compaction_alloc (2) mm race:benign prio:high 6 1 25d 25d
KCSAN: data-race in compact_zone / compact_zone (10) race:benign prio:high mm 6 1 30d 30d
KCSAN: data-race in __set_task_comm / strlen (2) race:benign prio:low fs mm 6 66 25m 43d
KCSAN: data-race in copy_mm / vma_complete (4) race:benign prio:low mm 6 1 45d 45d
KCSAN: data-race in __anon_vma_prepare / handle_mm_fault (7) race:benign prio:low mm 6 1 49d 49d
KCSAN: data-race in __filemap_add_folio / invalidate_bdev (12) race:benign prio:high mm fs 6 3 12d 52d
general protection fault in __refill_obj_stock prio:high cgroups mm 2 1 79d 75d
KCSAN: data-race in _copy_to_iter / copy_folio_from_iter_atomic (4) race:benign prio:low iomap mm 6 3 50d 89d
upstream test error: KCSAN: data-race in __xa_clear_mark / xas_find_marked (6) prio:high fs mm -1 6 11d 94d
BUG: soft lockup in pid_child_should_wake prio:low mm 1 3 11d 107d
KCSAN: data-race in mlock_folio / need_mlock_drain (10) prio:low mm 6 4 38d 139d
KCSAN: data-race in mas_walk / mas_wmb_replace (2) prio:low mm 6 39 10d 152d
KCSAN: data-race in mas_wmb_replace / mtree_range_walk (2) prio:low mm 6 81 3d05h 153d
KCSAN: data-race in shmem_fallocate / shmem_writeout prio:low mm 6 156 3h00m 242d
KCSAN: data-race in __percpu_counter_init_many / copy_mm (2) prio:low mm 6 35 13d 367d
KCSAN: data-race in _copy_from_iter / _copy_from_iter (5) prio:low mm 6 155 7d12h 534d
KCSAN: data-race in fill_mg_cmtime / shmem_symlink prio:low mm 6 166 33d 663d
KCSAN: data-race in fill_mg_cmtime / shmem_mknod prio:low mm 6 672 31d 665d
KCSAN: data-race in file_write_and_wait_range / xas_set_mark (2) prio:low fs mm 6 979 7d20h 666d
KCSAN: data-race in shmem_add_to_page_cache / shmem_getattr (5) prio:low mm 6 234 26d 803d
KCSAN: data-race in __filemap_remove_folio / nr_blockdev_pages (5) prio:low mm 6 164 26d 805d
KCSAN: data-race in __writeback_single_inode / xas_set_mark (6) prio:low fs mm 6 884 11d 862d
KCSAN: data-race in __lru_add_drain_all / folios_put_refs prio:low mm 6 221 34d 891d
KCSAN: data-race in __filemap_add_folio / nr_blockdev_pages (3) prio:low mm 6 180 31d 1011d
KCSAN: data-race in shmem_file_splice_read / shmem_file_splice_read race:benign prio:low mm 6 3146 38m 1012d
KCSAN: data-race in __filemap_add_folio / filemap_write_and_wait_range prio:low mm 6 969 25d 1714d
KCSAN: data-race in __lru_add_drain_all / folio_add_lru prio:low mm 6 2037 27d 1737d
KCSAN: data-race in __xa_clear_mark / xas_find_marked (2) prio:high fs mm 6 5556 43m 1908d
KCSAN: data-race in __xa_set_mark / xas_find_marked prio:low fs mm 6 1690 5d14h 2182d
KCSAN: data-race in xas_clear_mark / xas_find_marked (2) prio:low fs mm 6 4168 1d01h 2472d
KCSAN: data-race in xas_find_marked / xas_set_mark prio:low fs mm 6 2616 7d03h 2477d