syzbot

 sign-in | mailing list | source | docs
🐞 Open [1477]
≡ Subsystems
🐞 Fixed [6786]
🐞 Invalid [17519]
⬇ Missing Backports [221]
≡ Crashes
Kernel Health Bugs/Month Bug Lifetimes Fuzzing
Total Repo Heatmap Subsystems Heatmap
💬 Send us feedback

mm subsystem


List(s): linux-mm@kvack.org
Fixed bugs: 388
Parent subsystem(s): kernel (92)
Child subsystems: damon (0)
open (118):
Title Rank 🛈 Repro Cause bisect Fix bisect Count Last Reported Discussions
WARNING in shrink_lruvec mm -1 1 5d19h 1d19h
BUG: sleeping function called from invalid context in kvm_mmu_notifier_invalidate_range_start mm 5 2 3d23h 2d23h
general protection fault in lru_gen_test_recent (2) mm 2 C 3 3d22h 3d22h PATCH [3d01h]
WARNING in sched_mm_cid_fork fs mm -1 syz error 79 6h41m 8d02h
KASAN: slab-use-after-free Read in __list_lru_walk_one (3) mm 19 19 1h47m 10d
kernel BUG in qlist_free_all (3) mm -1 1 22d 18d
WARNING in __page_table_check_ptes_set (3) mm -1 3 9d00h 27d
general protection fault in __rt_mutex_slowlock_locked mm 2 2 33d 29d
WARNING in swap_cache_get_folio mm -1 6 29d 29d PATCH [4d00h]
possible deadlock in __hugetlb_zap_begin mm 4 1 35d 31d PATCH [31d]
INFO: rcu detected stall in rescuer_thread (2) net mm 1 syz error 3 34d 33d
WARNING in lock_list_lru_of_memcg (2) mm -1 3 7d11h 35d 💬 2 [35d]
INFO: rcu detected stall in shmem_file_write_iter (3) mm 1 37 4d12h 50d
general protection fault in call_timer_fn (2) no-reminders mm 19 7 16d 57d
INFO: task hung in migrate_pages_batch (4) mm 1 52 3d23h 57d
INFO: task hung in __rmap_walk_file mm 1 C error 7 21d 61d 💬 3 [58d]
possible deadlock in hugetlb_vma_lock_read mm 4 3 60d 62d
WARNING in path_noexec (2) mm fs -1 C error 10358 1h15m 71d PATCH [61d]
possible deadlock in ksm_do_scan mm 4 1 77d 73d 💬 1 [72d]
possible deadlock in xdp_umem_pin_pages bpf net mm 4 2 77d 77d
WARNING: bad unlock balance in hugetlb_vmdelete_list fs mm 4 C 1 79d 78d PATCH [76d]
WARNING in __bch2_writepage mm -1 1 83d 79d
kernel BUG in __free_one_page (2) mm -1 C 4 75d 86d
WARNING in ext4_mb_load_buddy_gfp ext4 mm -1 C 7 4d23h 86d PATCH [77d]
KMSAN: uninit-value in __run_timer_base (2) batman mm 7 6 2d00h 91d PATCH [88d]
INFO: rcu detected stall in sys_madvise (2) mm 1 37 12d 102d
WARNING in __alloc_skb (4) mm -1 C 7 43d 105d PATCH [81d]
BUG: soft lockup in dev_ioctl (2) mm 1 6 41d 110d
kernel BUG in page_table_check_set mm -1 C 6 98d 111d 💬 5 [109d]
INFO: rcu detected stall in sys_munmap (2) mm 1 syz error 30 9d06h 111d 💬 7 [105d]
INFO: rcu detected stall in hub_event (2) mm 1 C error 64 2h12m 112d
WARNING in alloc_frozen_pages_noprof mm -1 C 367 28m 120d 💬 3 [117d]
KASAN: slab-use-after-free Read in lru_add (2) mm gfs2 19 C error 2 94d 128d
INFO: rcu detected stall in kernfs_fop_open (7) kernfs mm 1 C error 3 25d 135d
INFO: rcu detected stall in devtmpfsd (3) mm 1 C error inconclusive 3 73d 143d 💬 2 [142d]
INFO: rcu detected stall in wb_workfn (4) mm 1 C error 44 12d 152d 💬 1 [12d]
INFO: rcu detected stall in linkwatch_event (5) mm net 1 syz error 2 55d 168d
INFO: rcu detected stall in exit_to_user_mode_loop mm 1 C error 264 1d06h 172d 💬 1 [135d]
INFO: rcu detected stall in vm_area_alloc (6) mm 1 syz error 7 27d 194d
INFO: rcu detected stall in vms_gather_munmap_vmas mm 1 syz error 51 11d 210d
INFO: rcu detected stall in ext4_end_io_rsv_work (3) mm ext4 1 C error 3 6d04h 212d
INFO: rcu detected stall in wg_packet_handshake_receive_worker (3) mm 1 syz error 9 25d 220d
INFO: rcu detected stall in nsim_fib_event_work mm 1 C error 6 2d22h 223d
BUG: Bad page state in page_cache_ra_order mm -1 C error 37 68d 223d
INFO: task hung in exit_mmap (2) mm 1 C done error 37 11h53m 230d
kernel BUG in __filemap_add_folio fs mm -1 C done 1125 4h39m 230d 💬 3 [18h56m]
BUG: soft lockup in sys_bpf mm 1 C error 58 1d05h 232d
INFO: task hung in page_cache_ra_order mm fs 1 C done 68 1d06h 232d 💬 1 [232d]
INFO: rcu detected stall in clone (7) mm 1 60 10d 259d
INFO: task hung in rmap_walk_file mm 1 C error 19 27d 307d
KASAN: slab-use-after-free Read in list_lru_del mm 19 C done 27 12d 307d 💬 1 [11d]
INFO: rcu detected stall in sys_mkdir (9) ext4 mm 1 syz done 3 22d 320d
INFO: rcu detected stall in task_numa_work (2) bpf mm 1 C error error 21 35d 341d
KASAN: slab-use-after-free Read in filemap_map_pages mm 19 C inconclusive done 17 70d 344d 💬 1 [34d]
INFO: task hung in hugetlbfs_zero_partial_page fs mm 1 syz done 3 119d 354d
WARNING in __folio_rmap_sanity_checks (2) xfs mm -1 C inconclusive 17 52d 365d 💬 26 [198d]
INFO: rcu detected stall in mas_preallocate (2) mm 1 syz done 9 16d 366d 💬 6 [276d]
INFO: rcu detected stall in sys_umount (3) mm 1 C done 48 4d11h 367d 💬 2 [114d]
possible deadlock in balance_pgdat (2) mm scsi 4 C 4 337d 371d 💬 1 [328d]
possible deadlock in lock_mm_and_find_vma (3) ntfs3 mm 4 11 48d 371d
INFO: rcu detected stall in sys_symlinkat (5) tomoyo mm fs 1 syz error 76 4d15h 372d
INFO: rcu detected stall in sys_sendmmsg (7) tipc mm 1 95 5d03h 375d
KASAN: slab-use-after-free Read in folio_evictable (3) gfs2 mm 19 C 66 28d 380d 💬 7 [23d]
INFO: rcu detected stall in sys_mmap (3) mm 1 C error 39 10h00m 380d
INFO: rcu detected stall in sys_setsockopt (4) mm 1 C done inconclusive 44 8h31m 380d
BUG: corrupted list in list_lru_add mm 19 C inconclusive 131 4h59m 383d
INFO: rcu detected stall in security_file_ioctl (9) mm 1 syz error 104 21h04m 384d
kernel BUG in resv_map_release (3) mm -1 C inconclusive 28 18h47m 394d 💬 1 [393d]
INFO: rcu detected stall in sys_pipe2 (2) mm 1 syz done 110 16d 395d
INFO: rcu detected stall in brk (2) mm 1 syz 2 343d 405d 💬 8 [404d]
INFO: rcu detected stall in kthreadd (2) mm 1 C unreliable 102 7d16h 407d
INFO: rcu detected stall in sys_readlink (5) mm 1 syz done 36 1d03h 418d
INFO: rcu detected stall in seq_read_iter (2) mm 1 C inconclusive error 9 16d 420d 💬 1 [419d]
WARNING: ODEBUG bug in __folio_put (2) usb mm -1 syz 28 133d 421d
INFO: rcu detected stall in sys_mprotect (8) mm 1 syz done 92 3h35m 426d
INFO: rcu detected stall in kjournald2 (2) mm 1 C error error 77 60d 434d
INFO: rcu detected stall in vhci_release mm 1 syz done done 12 221d 438d
INFO: rcu detected stall in shmem_fault (6) mm 1 C 158 1d20h 447d PATCH [429d]
INFO: rcu detected stall in sys_execve (6) mm 1 syz done 65 7d19h 449d
INFO: rcu detected stall in x64_sys_call mm kasan 1 C error 433 18h54m 457d
BUG: corrupted list in add_to_unbuddied mm 8 syz 43 264d 458d 💬 4 [418d]
KMSAN: uninit-value in sw842_compress mm 7 C 76 7h50m 459d 💬 3 [48d]
kernel BUG in z3fold_page_migrate mm -1 syz 354 257d 463d
INFO: task hung in page_cache_ra_unbounded (2) mm fs 1 C done 3649 10d 465d 💬 1 [9d18h]
INFO: rcu detected stall in kcov_close mm 1 157 2d01h 485d
kernel panic: System is deadlocked on memory (2) mm 2 80 5d07h 485d
INFO: rcu detected stall in vm_mmap_pgoff mm 1 100 12d 487d PATCH [429d]
WARNING in drm_mode_create_lease_ioctl mm -1 C inconclusive 77 3d13h 532d PATCH [313d]
INFO: rcu detected stall in addrconf_rs_timer (6) x86 mm netfilter 1 syz error error 617 7h54m 557d
BUG: unable to handle kernel paging request in free_unref_page mm 8 syz 2 335d 557d
possible deadlock in __mmap_lock_do_trace_acquire_returned (2) mm 4 C error inconclusive 621 499d 563d
WARNING in shmem_evict_inode (3) mm -1 54 34d 565d
INFO: rcu detected stall in sendmsg (4) net mm 1 C error 60 10d 566d
INFO: rcu detected stall in sys_sendto (7) mm 1 C error 331 5d12h 568d
INFO: rcu detected stall in validate_mm (3) mm 1 C error 38 16d 577d 💬 5 [519d]
inconsistent lock state in __mmap_lock_do_trace_acquire_returned mm 4 C error inconclusive 498 509d 616d 💬 2 [495d]
INFO: rcu detected stall in sys_clone (8) mm 1 C error 336 1d21h 622d 💬 10 [168d]
INFO: rcu detected stall in sys_syslog (2) mm 1 C error error 43 3d12h 659d
BUG: soft lockup in pipe_read mm fs 1 syz 5 308d 686d
INFO: task hung in _vm_unmap_aliases (3) mm 1 C 646 10d 701d
INFO: rcu detected stall in sys_recvmmsg (3) mm 1 212 1d10h 722d
INFO: rcu detected stall in sys_socket (10) mm 1 C done 172 7d13h 741d 💬 6 [737d]
BUG: spinlock recursion in try_to_wake_up mm crypto 4 C 9 476d 758d
INFO: rcu detected stall in worker_thread (9) mm netfilter 1 C done 4657 1d03h 795d PATCH [788d]
BUG: unable to handle kernel NULL pointer dereference in __kmap_local_page_prot mm 10 C 138 517d 798d PATCH [138d]
kernel BUG in filemap_unaccount_folio mm -1 C done error 485 67d 826d 💬 4 [55d]
INFO: rcu detected stall in sys_openat (3) mm 1 C error 487 1d10h 829d
INFO: rcu detected stall in sys_unlink (3) tomoyo mm 1 C error 227 3h45m 850d
KCSAN: data-race in __filemap_remove_folio / folio_mapping (2) mm 6 822 7h00m 961d 💬 6 [87d]
WARNING in v9fs_fid_get_acl mm -1 C error error 5678 62d 1105d PATCH [466d]
possible deadlock in filemap_fault mm 4 C done 2965 1d09h 1133d 💬 4 [55d]
INFO: rcu detected stall in sys_newfstatat (4) mm 1 C error 496 4d00h 1143d 💬 1 [55d]
memory leak in xas_create mm 3 C 20 9d14h 1251d PATCH [16d]
WARNING in ext4_dirty_folio mm -1 C inconclusive done 25849 2d21h 1355d 💬 2 [55d]
INFO: task hung in do_read_cache_folio block kasan mm 1 C error error 179 901d 1403d 💬 3 [888d]
INFO: task can't die in wait_on_page_bit_common fs mm 1 C done 5 1577d 1930d
KASAN: use-after-free Read in corrupted (4) mm 19 C done error 14 294d 1947d 💬 2 [1288d]
INFO: task hung in do_read_cache_page (3) fs mm 1 C done inconclusive 88 1247d 2145d 💬 2 [2038d]
moderation (48):
Title Rank 🛈 Repro Cause bisect Fix bisect Count Last Reported Discussions
KCSAN: data-race in copy_fs / free_bprm (2) mm fs 6 1 2d07h 2d07h
KCSAN: data-race in folios_put_refs / need_mlock_drain (3) mm 6 1 4d05h 4d05h
KCSAN: data-race in filemap_write_and_wait_range / xas_set_mark (3) mm fs 6 1 7d01h 7d01h
KCSAN: data-race in filemap_read_folio / filemap_read_folio (3) mm 6 1 10d 10d
KCSAN: data-race in copy_mm / vm_mmap_pgoff mm 6 1 18d 18d
KCSAN: data-race in __filemap_remove_folio / evict_folios mm 6 1 24d 24d
KCSAN: data-race in file_update_time / shmem_fallocate mm 6 1 27d 27d
KCSAN: data-race in mlock_folio / need_mlock_drain (9) mm 6 2 3d00h 30d
KCSAN: data-race in copy_mm / copy_page_range (3) mm 6 5 10d 34d
KCSAN: data-race in copy_mm / vm_stat_account mm 6 1 39d 39d
possible deadlock in flush_end_io mm fs 4 184 2h17m 45d
KCSAN: data-race in _copy_to_iter / copy_folio_from_iter_atomic (2) mm 6 5 33d 53d
KCSAN: data-race in copy_mm / vma_complete (2) mm 6 2 41d 57d
KCSAN: data-race in generic_fillattr / shmem_symlink (5) mm 6 2 30d 58d
upstream test error: KCSAN: data-race in __xa_clear_mark / xas_find_marked (4) fs mm -1 2 12d 60d
KCSAN: data-race in __writeback_single_inode / xas_clear_mark (8) fs mm 6 4 8d15h 75d
KCSAN: data-race in compact_zone / compact_zone (8) mm 6 2 27d 78d
KCSAN: data-race in _copy_to_iter / _copy_to_iter mm 6 6 11d 81d
KCSAN: data-race in __percpu_counter_init_many / copy_mm (2) mm 6 10 1d10h 87d
KCSAN: data-race in __set_task_comm / strlen fs mm 6 6 6d22h 92d
KCSAN: data-race in xas_find_marked / xas_init_marks (6) ext4 mm 6 12 29d 96d
KCSAN: data-race in __filemap_add_folio / invalidate_bdev (10) fs mm 6 4 16d 102d
KCSAN: data-race in __anon_vma_prepare / __vmf_anon_prepare mm 6 3 1d14h 104d
KCSAN: data-race in munlock_folio / need_mlock_drain (7) mm 6 5 2d00h 151d
KCSAN: data-race in __wb_update_bandwidth / percpu_counter_add_batch (10) fs mm 6 9 47d 171d
KCSAN: data-race in copy_folio_from_iter_atomic / copy_folio_from_iter_atomic ext4 mm 6 70 9h33m 189d
KCSAN: data-race in mas_state_walk / mas_wr_store_entry mm 6 98 2d04h 228d
KCSAN: data-race in mas_state_walk / mas_wmb_replace (3) mm 6 244 4h57m 229d
KCSAN: data-race in __anon_vma_prepare / handle_mm_fault (5) mm 6 12 6h19m 240d
KCSAN: data-race in _copy_from_iter / _copy_from_iter (5) mm 6 76 4d00h 254d
KCSAN: data-race in fill_mg_cmtime / shmem_symlink mm 6 111 1d12h 384d
KCSAN: data-race in fill_mg_cmtime / shmem_mknod mm 6 387 6h58m 385d
KCSAN: data-race in fill_mg_cmtime / shmem_unlink mm 6 114 11d 386d
KCSAN: data-race in file_write_and_wait_range / xas_set_mark (2) fs mm 6 756 9h34m 387d
KCSAN: data-race in shmem_fallocate / shmem_fault (9) mm 6 94 3d15h 420d
KCSAN: data-race in shmem_add_to_page_cache / shmem_getattr (5) mm 6 158 4d13h 523d
KCSAN: data-race in shmem_getattr / shmem_recalc_inode mm 6 151 6d07h 524d
KCSAN: data-race in __filemap_remove_folio / nr_blockdev_pages (5) mm 6 111 3d13h 525d
KCSAN: data-race in __writeback_single_inode / xas_set_mark (6) fs mm 6 720 9h30m 582d
KCSAN: data-race in mlock_new_folio / need_mlock_drain (3) mm 6 80 18d 609d
KCSAN: data-race in __lru_add_drain_all / folios_put_refs mm 6 182 16d 612d
KCSAN: data-race in shmem_file_splice_read / shmem_file_splice_read mm 6 2198 9h34m 733d
KCSAN: data-race in __lru_add_drain_all / folio_add_lru mm 6 1631 7h05m 1457d
KCSAN: data-race in __xa_clear_mark / xas_find_marked (2) fs mm 6 4982 10h16m 1628d
KCSAN: data-race in __xa_set_mark / xas_find_marked fs mm 6 1605 4d19h 1902d
KCSAN: data-race in xas_clear_mark / xas_find_marked (2) fs mm 6 4111 17d 2192d
KCSAN: data-race in xas_find_marked / xas_set_mark mm fs 6 2369 9h37m 2198d
corrupted report (2) mm -1 1028947 now 2800d