mm subsystem


List(s): linux-mm@kvack.org
Fixed bugs: 428
Parent subsystem(s): kernel (112)
Child subsystems: damon (0)
Title Rank 🛈 Repro Cause bisect Fix bisect Count Last Reported Discussions
INFO: rcu detected stall in newfstat (4) prio:normal mm 1 31 1h05m 2d10h
KCSAN: data-race in xas_create / xas_find (10) fs mm race:harmful 6 1 2d19h 2d18h PATCH [1d02h]
KCSAN: data-race in _copy_to_iter / _copy_to_iter (3) mm race:harmful 6 1 3d04h 3d02h
WARNING in shrink_one mm prio:high -1 1 5d20h 5d08h 💬 3 [5d03h]
INFO: rcu detected stall in chrdev_open (7) prio:high mm 1 30 9d21h 5d21h
INFO: rcu detected stall in filemap_fault (4) prio:high mm 1 syz 34 6d15h 7d04h 💬 1 [6d23h]
possible deadlock in igrab mm prio:high 4 1 16d 12d 💬 3 [12d]
INFO: rcu detected stall in kswapd (4) prio:high fs mm 1 syz 9 14d 19d
KCSAN: data-race in copy_mm / lru_gen_del_mm (3) prio:low race:harmful mm 6 2 12d 34d 💬 1 [33d]
WARNING in v9fs_fid_get_acl (2) prio:high mm -1 syz, C 6 3d13h 35d PATCH [35d]
inconsistent lock state in fs_reclaim_acquire (4) prio:high cgroups mm 4 syz, C error 19 2d23h 45d PATCH [44d]
WARNING in vma_add_pgoff prio:low mm -1 syz, C 11 39d 47d 💬 4 [46d]
WARNING in setup_conf prio:low mm -1 syz, C 111 17h19m 61d 💬 2 [32d]
INFO: rcu detected stall in kvm_vm_release (4) prio:high mm 1 33 5d23h 65d 💬 3 [65d]
BUG: Bad page state in corrupted prio:high mm -1 syz, C 2 9d21h 73d PATCH [37d]
WARNING in mmap_region prio:low mm -1 syz 16 78d 77d 💬 1 [75d]
INFO: rcu detected stall in khugepaged (3) prio:normal mm 1 40 8d22h 81d 💬 6 [79d]
INFO: rcu detected stall in netlink_sendmsg (6) prio:low kernfs net mm 1 syz, C error 61 1d01h 84d
WARNING in alloc_vmap_area mm prio:high -1 2 86d 85d
INFO: rcu detected stall in filemap_read prio:normal kasan mm 1 syz error 1 89d 85d
WARNING in mas_nomem prio:low mm -1 syz 14 68d 85d 💬 10 [78d]
possible deadlock in hugetlb_vma_lock_free (2) prio:low fs mm 4 6 10d 92d
INFO: rcu detected stall in dentry_kill prio:high mm 1 syz, C error 124 1d04h 127d PATCH [114d]
INFO: rcu detected stall in handle_softirqs (3) prio:low mm netfilter 1 syz, C error 60 1d03h 148d PATCH [10d]
INFO: rcu detected stall in clone3 (6) prio:high mm 1 67 14m 150d
WARNING in alloc_frozen_pages_noprof (2) prio:high mm -1 syz, C 20 3h45m 152d PATCH [149d]
BUG: unable to handle kernel NULL pointer dereference in qlist_free_all (10) prio:low mm ext4 10 syz, C 3 142d 157d
KCSAN: data-race in mas_wr_store_entry / mtree_range_walk (2) prio:low mm 6 C 134 1d00h 190d 💬 7 [24d]
INFO: rcu detected stall in kcov_ioctl (3) prio:high mm 1 32 34d 199d 💬 1 [199d]
KASAN: use-after-free Read in copy_folio_from_iter_atomic (2) prio:high jfs mm 19 syz, C error 45566 now 208d PATCH [183d]
KMSAN: uninit-value in copy_from_kernel_nofault prio:high mm 7 22 70d 222d 💬 3 [222d]
INFO: rcu detected stall in __dentry_kill prio:high mm 1 syz error error 132 101d 235d
possible deadlock in lock_mm_and_find_vma (4) prio:low mm 4 2656 6h12m 240d 💬 2 [185d]
WARNING: refcount bug in call_timer_fn (4) prio:high mm 13 39 50d 245d 💬 4 [69d]
kernel BUG in __page_table_check_zero (3) prio:high mm -1 358 5d20h 248d PATCH [129d]
INFO: rcu detected stall in sendfile64 prio:high mm 1 42 46d 252d
BUG: Bad rss-counter state (6) prio:high mm -1 syz 114 8d05h 259d
kernel BUG in page_table_check_set (2) prio:low mm -1 1153 19h15m 261d 💬 1 [259d]
INFO: rcu detected stall in vma_merge_new_range (3) prio:low mm 1 syz error error 4 6d18h 271d
INFO: rcu detected stall in schedule_tail (8) prio:low mm 1 syz, C error error 1 272d 271d
INFO: rcu detected stall in __mmap_complete prio:normal mm 1 syz, C error error 12 52d 293d PATCH [52d]
INFO: rcu detected stall in sys_newfstat (4) prio:low mm 1 syz, C error 94 7d05h 307d
INFO: rcu detected stall in sys_io_uring_enter (3) mm prio:low 1 60 13d 309d
INFO: rcu detected stall in finish_dput prio:low mm 1 syz, C error error 138 278d 314d
WARNING in sched_mm_cid_fork prio:low fs mm -1 syz, C error error 332 263d 325d PATCH [304d]
INFO: rcu detected stall in call_usermodehelper_exec_async (4) prio:low mm 1 syz, C error 19 20d 331d
INFO: rcu detected stall in sys_symlink (6) prio:high mm 1 syz, C error inconclusive 8 35d 362d
INFO: rcu detected stall in shmem_file_write_iter (3) prio:low mm 1 syz, C 99 7d03h 368d
INFO: task hung in migrate_pages_batch (4) prio:high mm 1 309 16d 375d 💬 1 [14d]
WARNING in ext4_mb_load_buddy_gfp prio:high ext4 mm -1 syz, C 434 4h24m 404d PATCH [395d]
INFO: rcu detected stall in sys_madvise (2) prio:high mm 1 66 3d14h 420d
INFO: task hung in writeback_iter (3) prio:high fs mm 1 syz, C error error 24 12d 422d PATCH [277d]
WARNING in __alloc_skb (4) mm -1 syz, C 8 225d 423d PATCH [399d]
INFO: rcu detected stall in sys_mount (8) prio:low overlayfs mm 1 syz, C error 49 3d19h 423d 💬 2 [92d]
INFO: rcu detected stall in sys_munmap (2) prio:low mm 1 syz, C error error 52 9d23h 429d PATCH [52d]
KASAN: slab-use-after-free Read in lru_add (2) prio:high gfs2 mm 19 syz, C error 12 25d 446d PATCH [101d]
WARNING in trace_suspend_resume prio:high mm -1 syz, C 4117 3h43m 450d 💬 1 [29d]
INFO: rcu detected stall in devtmpfsd (3) prio:low mm 1 syz, C error inconclusive 6 89d 461d 💬 2 [460d]
INFO: rcu detected stall in linkwatch_event (5) prio:normal net mm 1 syz error error 3 298d 486d
INFO: rcu detected stall in exit_to_user_mode_loop prio:low mm 1 syz, C error 975 30m 490d PATCH [52d]
INFO: rcu detected stall in vm_area_alloc (6) prio:normal mm 1 syz error error 25 4d18h 512d
INFO: rcu detected stall in vms_gather_munmap_vmas prio:normal mm 1 syz error error 79 2d19h 528d
INFO: rcu detected stall in ext4_end_io_rsv_work (3) prio:normal mm ext4 1 syz, C error error 3 293d 530d
INFO: rcu detected stall in wg_packet_handshake_receive_worker (3) prio:normal wireguard mm 1 syz error error 20 39d 538d
INFO: rcu detected stall in nsim_fib_event_work prio:high mm 1 syz, C error error 9 114d 541d
kernel BUG in __filemap_add_folio prio:low mm fs -1 syz, C done 2342 2h44m 548d PATCH [311d]
BUG: soft lockup in sys_bpf prio:low mm 1 syz, C error 276 1d02h 549d
INFO: task hung in page_cache_ra_order prio:low fs mm 1 syz, C done 135 14d 550d 💬 1 [549d]
INFO: rcu detected stall in clone (7) prio:high mm 1 140 6d22h 577d
INFO: rcu detected stall in sys_mkdir (9) prio:high mm 1 syz done error 8 13d 638d
INFO: rcu detected stall in task_numa_work (2) mm bpf 1 syz, C error error 30 6d19h 658d
possible deadlock in btrfs_dirty_inode (2) prio:high mm 4 79 9d00h 678d
INFO: rcu detected stall in mas_preallocate (2) mm 1 syz done error 14 33d 684d 💬 6 [594d]
INFO: rcu detected stall in sys_umount (3) prio:low mm 1 syz, C done error 60 15h41m 685d 💬 2 [432d]
possible deadlock in balance_pgdat (2) scsi mm 4 syz, C 4 655d 689d 💬 1 [646d]
INFO: rcu detected stall in sys_symlinkat (5) prio:normal tomoyo mm 1 syz error error 150 1h22m 690d
INFO: rcu detected stall in sys_sendmmsg (7) prio:high mm 1 150 1h44m 693d
KASAN: slab-use-after-free Read in folio_evictable (3) prio:high gfs2 mm 19 syz, C 80 12d 698d 💬 7 [60d]
INFO: rcu detected stall in sys_mmap (3) mm 1 syz, C error error 70 62d 698d
INFO: rcu detected stall in sys_setsockopt (4) prio:high mm 1 syz, C done inconclusive 124 1d21h 698d
INFO: rcu detected stall in security_file_ioctl (9) prio:normal tomoyo mm 1 syz error 226 3h55m 702d
INFO: rcu detected stall in sys_pipe2 (2) prio:low mm 1 syz done done 152 5d13h 713d
INFO: rcu detected stall in kthreadd (2) mm 1 syz, C unreliable error 152 7d05h 725d
INFO: rcu detected stall in seq_read_iter (2) mm 1 syz, C inconclusive error 10 159d 738d 💬 1 [737d]
WARNING: ODEBUG bug in __folio_put (2) prio:high usb mm -1 syz 28 451d 739d
INFO: rcu detected stall in sys_mprotect (8) prio:normal mm 1 syz done error 155 2d06h 743d
INFO: rcu detected stall in kjournald2 (2) prio:normal block mm 1 syz, C error error 95 35d 751d
INFO: rcu detected stall in vhci_release prio:high mm 1 syz done done 16 49d 756d
INFO: rcu detected stall in shmem_fault (6) mm prio:low 1 syz, C 286 15h19m 765d PATCH [747d]
INFO: rcu detected stall in sys_execve (6) prio:normal mm 1 syz, C done error 96 12h43m 767d
INFO: rcu detected stall in x64_sys_call prio:low mm 1 syz, C error 681 4d11h 775d
BUG: corrupted list in add_to_unbuddied mm 8 syz 43 582d 776d 💬 4 [736d]
INFO: task hung in page_cache_ra_unbounded (2) fs mm 1 syz, C done error 3651 275d 783d 💬 1 [278d]
INFO: rcu detected stall in kcov_close prio:normal mm 1 258 15h33m 803d
kernel panic: System is deadlocked on memory (2) prio:high mm 2 syz, C 318 14h31m 803d PATCH [33d]
INFO: rcu detected stall in vm_mmap_pgoff prio:normal mm 1 syz 128 2d06h 804d PATCH [747d]
WARNING in shmem_evict_inode (3) prio:normal mm -1 101 68d 883d
INFO: rcu detected stall in sendmsg (4) prio:high mm 1 syz, C error error 66 68d 883d
INFO: rcu detected stall in validate_mm (3) mm 1 syz, C error error 41 69d 895d 💬 5 [837d]
INFO: rcu detected stall in sys_clone (8) mm 1 syz, C error 529 45m 940d 💬 10 [486d]
INFO: rcu detected stall in sys_syslog (2) mm 1 syz, C error error 56 5d15h 977d
BUG: soft lockup in pipe_read fs mm 1 syz 5 626d 1004d
INFO: task hung in _vm_unmap_aliases (3) prio:low mm 1 syz, C 740 18h04m 1019d
INFO: rcu detected stall in sys_recvmmsg (3) prio:low net mm 1 298 7d22h 1040d
INFO: rcu detected stall in sys_socket (10) mm 1 syz, C done 375 9h40m 1059d 💬 6 [1055d]
INFO: rcu detected stall in sys_unshare (9) prio:high kernfs mm 1 syz, C inconclusive done 189 7d13h 1079d 💬 1 [29d]
BUG: unable to handle kernel NULL pointer dereference in __kmap_local_page_prot prio:low mm 10 syz, C 138 835d 1116d PATCH [456d]
kernel BUG in filemap_unaccount_folio prio:high mm -1 syz, C done error 536 2d00h 1144d 💬 4 [29d]
WARNING in drm_syncobj_array_find prio:low mm dri -1 syz, C 4797 1h24m 1144d PATCH [301d]
INFO: rcu detected stall in sys_openat (3) prio:low mm 1 syz, C error 802 22h02m 1147d
KCSAN: data-race in __filemap_remove_folio / folio_mapping (2) prio:low mm 6 1181 15h35m 1279d PATCH [215d]
INFO: rcu detected stall in sys_newfstatat (4) prio:high mm tomoyo 1 syz, C error 647 4d03h 1461d 💬 1 [29d]
memory leak in xas_create prio:high mm 3 syz, C 60 69d 1568d PATCH [334d]
WARNING in ext4_dirty_folio mm prio:low -1 syz, C error 7535 (+18414) 1d17h 1673d 💬 2 [154d]
INFO: task hung in do_read_cache_folio mm kasan block 1 syz, C error error 179 1219d 1720d 💬 3 [1206d]
INFO: task can't die in wait_on_page_bit_common mm fs 1 syz, C done 5 1895d 2248d
INFO: task hung in do_read_cache_page (3) fs mm 1 syz, C done inconclusive 88 1565d 2462d 💬 2 [2356d]
Title Rank 🛈 Repro Cause bisect Fix bisect Count Last Reported Discussions
WARNING: refcount bug in remove_inode_hugepages mm fs prio:high 13 1 9d05h 5d05h
KCSAN: data-race in do_sync_mmap_readahead / do_sync_mmap_readahead (11) mm race:benign prio:high 6 1 16d 16d
KCSAN: data-race in isolate_migratepages_block / isolate_migratepages_block (10) race:benign prio:low mm 6 C 2 14d 17d
KCSAN: data-race in __folio_end_writeback / writeout_period (3) race:benign prio:high fs mm 6 1 39d 39d
KASAN: stack-out-of-bounds Read in sched_show_task (2) mm 17 1 48d 44d
KCSAN: data-race in __writeback_single_inode / xas_clear_mark (10) race:benign prio:low fs mm 6 1 51d 51d
KCSAN: data-race in __set_task_comm / strlen (2) race:benign prio:low fs mm 6 C 125 9h59m 81d
KCSAN: data-race in __filemap_add_folio / invalidate_bdev (12) race:benign prio:high fs mm 6 C 4 21d 90d PATCH [12d]
upstream test error: KCSAN: data-race in __xa_clear_mark / xas_find_marked (6) prio:high mm fs -1 8 27d 132d
BUG: soft lockup in pid_child_should_wake prio:low mm 1 3 50d 145d
KCSAN: data-race in mas_walk / mas_wmb_replace (2) prio:low mm 6 45 4d11h 190d
KCSAN: data-race in mas_wmb_replace / mtree_range_walk (2) prio:low mm 6 C 94 1d03h 191d
KCSAN: data-race in shmem_fallocate / shmem_writeout prio:low mm 6 C 180 1d14h 280d
KCSAN: data-race in __percpu_counter_init_many / copy_mm (2) prio:low mm 6 36 1d18h 405d
KCSAN: data-race in copy_folio_from_iter_atomic / copy_folio_from_iter_atomic prio:low mm fs 6 C 238 3d01h 507d
KCSAN: data-race in _copy_from_iter / _copy_from_iter (5) prio:low mm 6 C 157 15d 572d
KCSAN: data-race in file_write_and_wait_range / xas_set_mark (2) prio:low mm fs 6 990 4d03h 705d
KCSAN: data-race in __writeback_single_inode / xas_set_mark (6) prio:low fs mm 6 891 3d03h 900d
KCSAN: data-race in shmem_file_splice_read / shmem_file_splice_read race:benign prio:low mm 6 3260 2h22m 1051d
KCSAN: data-race in __xa_clear_mark / xas_find_marked (2) prio:high fs mm 6 5626 17h05m 1946d
KCSAN: data-race in __xa_set_mark / xas_find_marked prio:low mm fs 6 1695 2d10h 2220d
KCSAN: data-race in xas_clear_mark / xas_find_marked (2) prio:low fs mm 6 C 4177 8d20h 2510d
KCSAN: data-race in xas_find_marked / xas_set_mark prio:low fs mm 6 2634 3d11h 2515d
corrupted report (2) prio:low mm -1 1165263 18m 3118d