mm subsystem


List(s): linux-mm@kvack.org
Fixed bugs: 426
Parent subsystem(s): kernel (115)
Child subsystems: damon (0)
Title Rank 🛈 Repro Cause bisect Fix bisect Count Last Reported Discussions
possible deadlock in igrab mm prio:high 4 1 8d03h 4d03h 💬 3 [3d19h]
INFO: rcu detected stall in kswapd (4) prio:high fs mm 1 syz 9 5d21h 11d
KCSAN: data-race in copy_mm / lru_gen_del_mm (3) mm prio:low race:harmful 6 2 4d06h 25d 💬 1 [25d]
WARNING in v9fs_fid_get_acl (2) prio:high mm -1 syz, C 6 9d07h 27d PATCH [27d]
inconsistent lock state in fs_reclaim_acquire (4) prio:high cgroups mm 4 syz, C error 18 8d16h 36d PATCH [36d]
WARNING in vma_add_pgoff prio:low mm -1 syz, C 11 31d 38d 💬 4 [38d]
WARNING in setup_conf prio:low mm -1 syz, C 79 1d12h 52d 💬 2 [24d]
INFO: rcu detected stall in kvm_vm_release (4) prio:high mm 1 32 18d 57d 💬 3 [56d]
BUG: Bad page state in corrupted prio:high mm -1 syz, C 2 1d15h 64d PATCH [28d]
WARNING in mmap_region prio:low mm -1 syz 16 70d 69d 💬 1 [67d]
INFO: rcu detected stall in khugepaged (3) prio:normal mm 1 40 16h42m 72d 💬 6 [71d]
INFO: rcu detected stall in netlink_sendmsg (6) prio:low kernfs net mm 1 syz, C error 58 2d07h 75d
WARNING in alloc_vmap_area mm prio:high -1 2 78d 76d
INFO: rcu detected stall in filemap_read prio:normal kasan mm 1 syz error 1 81d 76d
WARNING in mas_nomem prio:low mm -1 syz 14 60d 77d 💬 10 [70d]
possible deadlock in hugetlb_vma_lock_free (2) prio:low mm 4 6 2d07h 84d
INFO: rcu detected stall in dentry_kill prio:high mm 1 syz, C error 117 1d00h 118d PATCH [105d]
INFO: rcu detected stall in clone3 (6) prio:high mm 1 62 1d22h 141d
WARNING in alloc_frozen_pages_noprof (2) prio:high mm -1 syz, C 5 44d 143d PATCH [141d]
BUG: unable to handle kernel NULL pointer dereference in qlist_free_all (10) prio:low mm ext4 10 syz, C 3 134d 148d
KCSAN: data-race in mas_wr_store_entry / mtree_range_walk (2) prio:low mm 6 C 131 2h46m 182d 💬 7 [16d]
INFO: rcu detected stall in kcov_ioctl (3) prio:high mm 1 32 25d 190d 💬 1 [190d]
KASAN: use-after-free Read in copy_folio_from_iter_atomic (2) prio:high jfs mm 19 syz, C error 44032 45m 200d PATCH [175d]
KMSAN: uninit-value in copy_from_kernel_nofault prio:high mm 7 22 62d 214d 💬 3 [214d]
INFO: rcu detected stall in __dentry_kill prio:high mm 1 syz error error 132 93d 227d
possible deadlock in lock_mm_and_find_vma (4) prio:low mm 4 2625 7h14m 232d 💬 2 [177d]
WARNING: refcount bug in call_timer_fn (4) prio:high mm 13 39 42d 237d 💬 4 [61d]
kernel BUG in __page_table_check_zero (3) prio:high mm -1 350 4d10h 240d PATCH [121d]
INFO: rcu detected stall in sendfile64 prio:high mm 1 42 38d 244d
BUG: Bad rss-counter state (6) prio:high mm -1 syz 113 9d14h 250d
kernel BUG in page_table_check_set (2) prio:low mm -1 1139 12h58m 252d 💬 1 [251d]
INFO: rcu detected stall in vma_merge_new_range (3) prio:low bpf mm 1 syz error error 3 11d 262d
INFO: rcu detected stall in schedule_tail (8) prio:low mm 1 syz, C error error 1 264d 262d
INFO: rcu detected stall in __mmap_complete prio:normal mm 1 syz, C error error 12 44d 284d PATCH [43d]
INFO: rcu detected stall in sys_newfstat (4) prio:low mm 1 syz, C error 92 7h38m 298d
INFO: rcu detected stall in sys_io_uring_enter (3) mm prio:low 1 60 5d02h 301d
INFO: rcu detected stall in finish_dput prio:low mm 1 syz, C error error 138 270d 305d
WARNING in sched_mm_cid_fork prio:low fs mm -1 syz, C error error 332 255d 317d PATCH [296d]
INFO: rcu detected stall in call_usermodehelper_exec_async (4) prio:low mm 1 syz, C error 19 12d 323d
INFO: rcu detected stall in sys_symlink (6) prio:high fs mm 1 syz, C error inconclusive 8 26d 354d
INFO: rcu detected stall in shmem_file_write_iter (3) prio:low mm 1 syz, C 98 10d 359d
INFO: task hung in migrate_pages_batch (4) prio:high mm 1 309 7d18h 367d 💬 1 [6d14h]
WARNING in ext4_mb_load_buddy_gfp prio:high ext4 mm -1 syz, C 331 7h33m 396d PATCH [386d]
INFO: rcu detected stall in sys_madvise (2) prio:high mm 1 65 5d19h 411d
INFO: task hung in writeback_iter (3) prio:high mm fs 1 syz, C error error 24 4d15h 414d PATCH [268d]
WARNING in __alloc_skb (4) mm -1 syz, C 8 217d 415d PATCH [391d]
INFO: rcu detected stall in sys_mount (8) prio:low mm overlayfs 1 syz, C error 47 9d10h 415d 💬 2 [84d]
INFO: rcu detected stall in sys_munmap (2) prio:low mm 1 syz, C error error 52 1d17h 420d PATCH [43d]
KASAN: slab-use-after-free Read in lru_add (2) prio:high gfs2 mm 19 syz, C error 12 16d 438d PATCH [93d]
WARNING in trace_suspend_resume prio:high mm -1 syz, C 4066 53m 442d 💬 1 [21d]
INFO: rcu detected stall in devtmpfsd (3) prio:low mm 1 syz, C error inconclusive 6 81d 453d 💬 2 [452d]
INFO: rcu detected stall in linkwatch_event (5) prio:normal net mm 1 syz error error 3 290d 477d
INFO: rcu detected stall in exit_to_user_mode_loop prio:low mm 1 syz, C error 949 5h29m 482d PATCH [43d]
INFO: rcu detected stall in vm_area_alloc (6) prio:normal mm 1 syz error error 24 9d04h 504d
INFO: rcu detected stall in vms_gather_munmap_vmas prio:normal mm 1 syz error error 76 14h49m 520d
INFO: rcu detected stall in ext4_end_io_rsv_work (3) prio:normal mm ext4 1 syz, C error error 3 285d 522d
INFO: rcu detected stall in wg_packet_handshake_receive_worker (3) prio:normal wireguard mm 1 syz error error 20 30d 530d
INFO: rcu detected stall in nsim_fib_event_work prio:high mm 1 syz, C error error 9 106d 533d
kernel BUG in __filemap_add_folio prio:low fs mm -1 syz, C done 2300 59m 539d PATCH [302d]
BUG: soft lockup in sys_bpf prio:low mm 1 syz, C error 270 2d11h 541d
INFO: task hung in page_cache_ra_order prio:low fs mm 1 syz, C done 135 6d14h 542d 💬 1 [541d]
INFO: rcu detected stall in clone (7) prio:high mm 1 139 1d07h 568d
INFO: rcu detected stall in sys_mkdir (9) prio:high mm 1 syz done error 8 5d09h 629d
INFO: rcu detected stall in task_numa_work (2) mm bpf 1 syz, C error error 29 6d01h 650d
possible deadlock in btrfs_dirty_inode (2) prio:high mm btrfs 4 79 18h02m 669d
INFO: rcu detected stall in mas_preallocate (2) mm 1 syz done error 14 25d 676d 💬 6 [585d]
INFO: rcu detected stall in sys_umount (3) prio:low mm 1 syz, C done error 59 10d 677d 💬 2 [423d]
possible deadlock in balance_pgdat (2) scsi mm 4 syz, C 4 647d 680d 💬 1 [638d]
INFO: rcu detected stall in sys_symlinkat (5) prio:normal tomoyo mm 1 syz error error 144 2d22h 681d
INFO: rcu detected stall in sys_sendmmsg (7) prio:high mm 1 148 22d 685d
KASAN: slab-use-after-free Read in folio_evictable (3) prio:high gfs2 mm 19 syz, C 80 4d02h 689d 💬 7 [52d]
INFO: rcu detected stall in sys_mmap (3) mm 1 syz, C error error 70 53d 690d
INFO: rcu detected stall in sys_setsockopt (4) prio:high mm 1 syz, C done inconclusive 121 21h59m 690d
INFO: rcu detected stall in security_file_ioctl (9) prio:normal mm 1 syz error 217 8h52m 693d
INFO: rcu detected stall in sys_pipe2 (2) prio:low mm 1 syz done done 150 6h52m 705d
INFO: rcu detected stall in kthreadd (2) mm 1 syz, C unreliable error 151 5d04h 716d
INFO: rcu detected stall in seq_read_iter (2) mm 1 syz, C inconclusive error 10 150d 730d 💬 1 [729d]
WARNING: ODEBUG bug in __folio_put (2) prio:high usb mm -1 syz 28 443d 731d
INFO: rcu detected stall in sys_mprotect (8) prio:normal mm 1 syz done error 151 3h46m 735d
INFO: rcu detected stall in kjournald2 (2) prio:normal block mm 1 syz, C error error 95 26d 743d
INFO: rcu detected stall in vhci_release prio:high mm 1 syz done done 16 41d 748d
INFO: rcu detected stall in shmem_fault (6) mm prio:low 1 syz, C 282 2d00h 757d PATCH [739d]
INFO: rcu detected stall in sys_execve (6) prio:normal mm 1 syz, C done error 94 7d06h 759d
INFO: rcu detected stall in x64_sys_call prio:low mm 1 syz, C error 677 9h54m 767d
BUG: corrupted list in add_to_unbuddied mm 8 syz 43 573d 768d 💬 4 [728d]
INFO: task hung in page_cache_ra_unbounded (2) fs mm 1 syz, C done error 3651 267d 774d 💬 1 [270d]
possible deadlock in attr_data_get_block (2) prio:high mm 4 syz, C error 3807 3d09h 792d PATCH [7h37m]
INFO: rcu detected stall in kcov_close prio:normal mm 1 256 23h51m 795d
kernel panic: System is deadlocked on memory (2) prio:high mm 2 syz, C 302 9h18m 795d PATCH [25d]
INFO: rcu detected stall in vm_mmap_pgoff prio:normal mm 1 syz 126 3d06h 796d PATCH [739d]
WARNING in shmem_evict_inode (3) prio:normal mm -1 101 60d 874d
INFO: rcu detected stall in sendmsg (4) prio:high mm 1 syz, C error error 66 60d 875d
INFO: rcu detected stall in sys_sendto (7) prio:low wireless mm 1 syz, C error error 403 59d 878d
INFO: rcu detected stall in validate_mm (3) mm 1 syz, C error error 41 61d 887d 💬 5 [829d]
INFO: rcu detected stall in sys_clone (8) mm 1 syz, C error 521 5h22m 931d 💬 10 [478d]
INFO: rcu detected stall in sys_syslog (2) mm 1 syz, C error error 55 4d00h 969d
BUG: soft lockup in pipe_read fs mm 1 syz 5 618d 995d
INFO: task hung in _vm_unmap_aliases (3) prio:low mm 1 syz, C 731 3h05m 1011d
INFO: rcu detected stall in sys_socket (10) mm 1 syz, C done 368 4h25m 1051d 💬 6 [1046d]
INFO: rcu detected stall in sys_unshare (9) prio:high kernfs mm 1 syz, C inconclusive done 188 16h44m 1070d 💬 1 [21d]
BUG: unable to handle kernel NULL pointer dereference in __kmap_local_page_prot prio:low mm 10 syz, C 138 827d 1108d PATCH [448d]
kernel BUG in filemap_unaccount_folio prio:high mm -1 syz, C done error 535 6d21h 1136d 💬 4 [21d]
WARNING in drm_syncobj_array_find prio:low mm dri -1 syz, C 4770 7h29m 1136d PATCH [293d]
INFO: rcu detected stall in sys_openat (3) prio:low mm 1 syz, C error 794 1d05h 1139d
INFO: rcu detected stall in sys_unlink (3) mm 1 syz, C error 448 23h57m 1159d
KCSAN: data-race in __filemap_remove_folio / folio_mapping (2) prio:low mm 6 1174 1d01h 1271d PATCH [207d]
possible deadlock in filemap_fault prio:high mm 4 syz, C done 3138 15d 1443d PATCH [7h37m]
INFO: rcu detected stall in sys_newfstatat (4) prio:high mm tomoyo 1 syz, C error 646 7d20h 1452d 💬 1 [21d]
memory leak in xas_create prio:high mm 3 syz, C 60 61d 1560d PATCH [326d]
WARNING in ext4_dirty_folio mm prio:low -1 syz, C error 7527 (+18414) 1d00h 1665d 💬 2 [146d]
INFO: task hung in do_read_cache_folio mm kasan block 1 syz, C error error 179 1211d 1712d 💬 3 [1198d]
INFO: task can't die in wait_on_page_bit_common fs mm 1 syz, C done 5 1887d 2239d
INFO: task hung in do_read_cache_page (3) mm fs 1 syz, C done inconclusive 88 1557d 2454d 💬 2 [2348d]
Title Rank 🛈 Repro Cause bisect Fix bisect Count Last Reported Discussions
KCSAN: data-race in do_sync_mmap_readahead / do_sync_mmap_readahead (11) mm race:benign prio:high 6 1 8d10h 8d10h
KCSAN: data-race in isolate_migratepages_block / isolate_migratepages_block (10) race:benign prio:low mm 6 C 2 6d09h 9d02h
KCSAN: data-race in __folio_end_writeback / writeout_period (3) race:benign prio:high fs mm 6 1 31d 31d
KASAN: stack-out-of-bounds Read in sched_show_task (2) mm 17 1 40d 36d
KCSAN: data-race in __writeback_single_inode / xas_clear_mark (10) race:benign prio:low fs mm 6 1 42d 42d
KCSAN: data-race in copy_process / show_stat (6) race:benign prio:low mm 6 1 48d 48d
KCSAN: data-race in copy_mm / rwsem_down_write_slowpath race:benign prio:high mm 6 1 48d 48d
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 53d 53d
KCSAN: data-race in compaction_alloc / compaction_alloc (2) race:benign prio:high mm 6 1 55d 55d
KCSAN: data-race in __set_task_comm / strlen (2) race:benign prio:low fs mm 6 C 114 9h01m 73d
KCSAN: data-race in __filemap_add_folio / invalidate_bdev (12) race:benign prio:high fs mm 6 C 4 13d 82d PATCH [4d06h]
upstream test error: KCSAN: data-race in __xa_clear_mark / xas_find_marked (6) prio:high mm fs -1 8 19d 124d
BUG: soft lockup in pid_child_should_wake prio:low mm 1 3 41d 137d
KCSAN: data-race in mas_walk / mas_wmb_replace (2) prio:low mm 6 43 3d20h 182d
KCSAN: data-race in mas_wmb_replace / mtree_range_walk (2) prio:low mm 6 C 91 19h11m 183d
KCSAN: data-race in shmem_fallocate / shmem_writeout prio:low mm 6 C 179 10h27m 272d
KCSAN: data-race in __percpu_counter_init_many / copy_mm (2) prio:low mm 6 35 43d 397d
KCSAN: data-race in copy_folio_from_iter_atomic / copy_folio_from_iter_atomic prio:low mm fs 6 C 236 8d00h 499d
KCSAN: data-race in _copy_from_iter / _copy_from_iter (5) prio:low mm 6 C 157 6d17h 564d
KCSAN: data-race in file_write_and_wait_range / xas_set_mark (2) prio:low mm fs 6 986 7d19h 696d
KCSAN: data-race in __writeback_single_inode / xas_set_mark (6) prio:low fs mm 6 888 23h43m 892d
KCSAN: data-race in shmem_file_splice_read / shmem_file_splice_read race:benign prio:low mm 6 3233 10h10m 1042d
KCSAN: data-race in __xa_clear_mark / xas_find_marked (2) prio:high fs mm 6 5614 8h57m 1938d
KCSAN: data-race in __xa_set_mark / xas_find_marked prio:low fs mm 6 1692 1d04h 2212d
KCSAN: data-race in xas_clear_mark / xas_find_marked (2) prio:low fs mm 6 C 4177 14h19m 2502d
KCSAN: data-race in xas_find_marked / xas_set_mark prio:low fs mm 6 2630 13h25m 2507d