syzbot

 sign-in | mailing list | source | docs
🐞 Open [1465]
≡ Subsystems
🐞 Fixed [6848]
🐞 Invalid [17767]
⬇ Missing Backports [226]
≡ Crashes
Kernel Health Bugs/Month Bug Lifetimes Fuzzing
Total Repo Heatmap Subsystems Heatmap
💬 Send us feedback

Applied filters: Label=subsystems:mm (drop)
open (119):
Title Rank 🛈 Repro Cause bisect Fix bisect Count Last Reported Discussions
INFO: rcu detected stall in purge_vmap_node mm 1 C error 2 4d13h 12h48m PATCH [3h31m]
kernel BUG in swap_cgroup_record (2) mm cgroups -1 C error 205 58m 3d09h PATCH [2h05m]
WARNING in xfs_buf_alloc mm -1 1 7d19h 3d19h
INFO: rcu detected stall in __mmap_complete mm 1 syz error 6 9d10h 7d19h
possible deadlock in flush_end_io fs mm 4 304 54m 14d
KMSAN: uninit-value in __sigqueue_free cgroups mm 7 1 18d 14d
KMSAN: uninit-value in swap_writeout mm 7 3 14d 21d PATCH [5d17h]
INFO: rcu detected stall in sys_newfstat (4) tomoyo mm 1 C error 8 7d19h 21d
INFO: rcu detected stall in sys_io_uring_enter (3) mm 1 36 1d08h 24d
INFO: rcu detected stall in sys_signalfd4 (2) cgroups mm 1 syz 1 27d 26d
INFO: rcu detected stall in finish_dput mm 1 C error 123 19h13m 28d
WARNING in shrink_lruvec mm -1 1 38d 34d PATCH [24d]
BUG: sleeping function called from invalid context in kvm_mmu_notifier_invalidate_range_start mm 5 2 36d 35d
general protection fault in lru_gen_test_recent (2) mm 2 C 10 3d18h 36d PATCH [1d06h]
WARNING in update_rq_clock mm sound -1 14 7d18h 37d
WARNING in sched_mm_cid_fork fs mm -1 C error 278 13h23m 40d PATCH [19d]
kernel BUG in qlist_free_all (3) mm -1 1 55d 51d
WARNING in __page_table_check_ptes_set (3) mm -1 3 41d 60d
general protection fault in __rt_mutex_slowlock_locked mm 2 5 5d22h 61d
WARNING in swap_cache_get_folio mm -1 6 62d 62d PATCH [36d]
possible deadlock in __hugetlb_zap_begin mm 4 1 67d 63d PATCH [63d]
INFO: rcu detected stall in rescuer_thread (2) net mm 1 syz error inconclusive 3 67d 66d
WARNING in lock_list_lru_of_memcg (2) mm -1 3 39d 67d 💬 2 [67d]
kernel BUG in filemap_fault (3) net mm -1 C error 8 18d 75d
INFO: rcu detected stall in sys_symlink (6) tomoyo fs mm 1 C error inconclusive 5 1d02h 76d
INFO: rcu detected stall in shmem_file_write_iter (3) mm 1 65 1d19h 82d
general protection fault in call_timer_fn (2) no-reminders mm 19 8 6d00h 89d
INFO: task hung in migrate_pages_batch (4) mm 1 70 2d19h 90d
INFO: task hung in __rmap_walk_file mm 1 C error 7 4d05h 93d PATCH [3d02h]
possible deadlock in hugetlb_vma_lock_read mm 4 4 29d 95d
WARNING in path_noexec (2) mm fs -1 C error 13203 4h52m 103d PATCH [93d]
WARNING in ext4_mb_load_buddy_gfp ext4 mm -1 C 7 23d 119d PATCH [109d]
KMSAN: uninit-value in __run_timer_base (2) mm 8 8 11d 124d PATCH [121d]
INFO: rcu detected stall in sys_madvise (2) mm 1 38 20d 134d
INFO: task hung in writeback_iter (3) fs mm 1 C error 13 8d21h 137d
WARNING in __alloc_skb (4) mm -1 C 7 22d 137d PATCH [113d]
INFO: rcu detected stall in sys_mount (8) mm 1 C error 24 7d03h 138d 💬 1 [137d]
BUG: soft lockup in dev_ioctl (2) mm 1 6 74d 143d
INFO: rcu detected stall in sys_munmap (2) mm 1 C error 40 8d05h 143d 💬 7 [23d]
WARNING in alloc_frozen_pages_noprof mm -1 C 390 29d 152d 💬 3 [150d]
KASAN: slab-use-after-free Read in lru_add (2) mm 19 C error 7 7d10h 161d
WARNING in trace_suspend_resume mm -1 C 2160 2d06h 165d 💬 1 [37d]
INFO: rcu detected stall in kernfs_fop_open (7) kernfs mm 1 C error 4 16d 167d
INFO: rcu detected stall in devtmpfsd (3) mm 1 C error inconclusive 3 105d 176d 💬 2 [175d]
INFO: rcu detected stall in wb_workfn (4) mm 1 C error 52 13h08m 185d 💬 1 [44d]
INFO: rcu detected stall in linkwatch_event (5) net mm 1 syz error 3 12d 200d
INFO: rcu detected stall in exit_to_user_mode_loop mm 1 C error 343 2h40m 205d 💬 1 [167d]
INFO: rcu detected stall in vm_area_alloc (6) mm 1 syz error 8 8d07h 227d
INFO: rcu detected stall in vms_gather_munmap_vmas mm 1 syz error 53 17h44m 242d
INFO: rcu detected stall in ext4_end_io_rsv_work (3) mm ext4 1 C error 3 8d08h 245d
INFO: rcu detected stall in wg_packet_handshake_receive_worker (3) mm 1 syz error 10 25d 252d
INFO: rcu detected stall in nsim_fib_event_work mm 1 C error 7 2d06h 256d
INFO: task hung in exit_mmap (2) mm 1 C done error 57 1d00h 262d
kernel BUG in __filemap_add_folio fs mm -1 C done 1471 6h44m 262d PATCH [25d]
BUG: soft lockup in sys_bpf mm 1 C error 99 1d20h 264d
INFO: task hung in page_cache_ra_order mm fs 1 C done 79 2d01h 264d 💬 1 [264d]
INFO: rcu detected stall in clone (7) mm 1 74 2h02m 291d
INFO: task hung in rmap_walk_file mm 1 C error 19 29d 339d
KASAN: slab-use-after-free Read in list_lru_del mm 19 C done done 27 44d 340d 💬 1 [12d]
INFO: rcu detected stall in sys_mkdir (9) ext4 mm 1 syz done 5 5d05h 352d
INFO: rcu detected stall in task_numa_work (2) bpf mm 1 C error error 21 68d 373d
INFO: task hung in hugetlbfs_zero_partial_page fs mm 1 syz done 3 28d 387d
WARNING in __folio_rmap_sanity_checks (2) xfs mm -1 C inconclusive 17 85d 397d 💬 26 [231d]
INFO: rcu detected stall in mas_preallocate (2) mm 1 syz done 9 17d 399d 💬 6 [308d]
INFO: rcu detected stall in sys_umount (3) mm 1 C done 50 1d22h 400d 💬 2 [146d]
possible deadlock in balance_pgdat (2) mm scsi 4 C 4 369d 403d 💬 1 [361d]
possible deadlock in lock_mm_and_find_vma (3) mm ntfs3 4 11 81d 404d
INFO: rcu detected stall in sys_symlinkat (5) tomoyo mm 1 syz error 81 16h47m 404d
KASAN: slab-use-after-free Read in folio_evictable (3) gfs2 mm 19 C 74 3d19h 412d 💬 7 [56d]
INFO: rcu detected stall in sys_mmap (3) mm 1 C error 48 5d00h 413d
INFO: rcu detected stall in sys_setsockopt (4) mm 1 C done inconclusive 58 3d11h 413d
BUG: corrupted list in list_lru_add gfs2 mm 19 C inconclusive 333 1d22h 416d PATCH [3d09h]
INFO: rcu detected stall in security_file_ioctl (9) tomoyo mm 1 syz error 111 1d03h 416d
kernel BUG in resv_map_release (3) mm -1 C inconclusive 31 5d10h 426d 💬 1 [426d]
INFO: rcu detected stall in sys_pipe2 (2) mm 1 syz done done 110 48d 428d
INFO: rcu detected stall in brk (2) mm 1 syz 2 375d 438d 💬 8 [437d]
INFO: rcu detected stall in kthreadd (2) mm 1 C unreliable 106 3d01h 439d
INFO: rcu detected stall in sys_readlink (5) kernfs mm 1 syz done 42 1d19h 451d
INFO: rcu detected stall in seq_read_iter (2) mm 1 C inconclusive error 9 48d 453d 💬 1 [452d]
WARNING: ODEBUG bug in __folio_put (2) usb mm -1 syz 28 165d 454d
INFO: rcu detected stall in sys_mprotect (8) mm 1 syz done 96 4d23h 458d
INFO: rcu detected stall in kjournald2 (2) mm 1 C error error 77 92d 466d
INFO: rcu detected stall in vhci_release mm 1 syz done done 12 254d 471d
INFO: rcu detected stall in shmem_fault (6) mm 1 C 190 4h51m 480d PATCH [462d]
INFO: rcu detected stall in sys_execve (6) mm 1 syz done 71 8d05h 482d
INFO: rcu detected stall in x64_sys_call mm 1 C error 485 7h37m 489d
BUG: corrupted list in add_to_unbuddied mm 8 syz 43 296d 490d 💬 4 [451d]
KMSAN: uninit-value in sw842_compress mm 7 C 100 1d00h 491d 💬 3 [81d]
kernel BUG in z3fold_page_migrate mm -1 syz 354 290d 495d
INFO: task hung in page_cache_ra_unbounded (2) mm fs 1 C done 3650 28d 497d 💬 1 [25d]
INFO: rcu detected stall in kcov_close mm 1 168 5d09h 518d
kernel panic: System is deadlocked on memory (2) mm 2 88 5d07h 518d
INFO: rcu detected stall in vm_mmap_pgoff mm 1 107 4d19h 519d PATCH [462d]
WARNING in drm_mode_create_lease_ioctl mm -1 C inconclusive 77 17d 564d PATCH [346d]
INFO: rcu detected stall in addrconf_rs_timer (6) x86 mm netfilter 1 syz error error 639 2d09h 590d
WARNING in shmem_evict_inode (3) mm -1 61 16h16m 597d
INFO: rcu detected stall in sendmsg (4) mm 1 C error 61 24d 598d
INFO: rcu detected stall in sys_sendto (7) mm 1 C error 337 1d02h 600d
INFO: rcu detected stall in validate_mm (3) mm 1 C error 38 18d 610d 💬 5 [552d]
inconsistent lock state in __mmap_lock_do_trace_acquire_returned mm 4 C error inconclusive 498 542d 648d 💬 2 [528d]
INFO: rcu detected stall in sys_clone (8) mm 1 C error 365 13h52m 654d 💬 10 [201d]
INFO: rcu detected stall in sys_syslog (2) mm 1 C error error 43 36d 692d
BUG: soft lockup in pipe_read fs mm 1 syz 5 341d 718d
INFO: task hung in _vm_unmap_aliases (3) mm 1 C 672 9d09h 734d
INFO: rcu detected stall in sys_socket (10) mm 1 C done 186 10d 774d 💬 6 [769d]
BUG: spinlock recursion in try_to_wake_up mm crypto 4 C 9 508d 790d
BUG: unable to handle kernel NULL pointer dereference in __kmap_local_page_prot mm 10 C 138 550d 831d PATCH [171d]
kernel BUG in filemap_unaccount_folio mm -1 C done error 486 3d02h 858d 💬 4 [88d]
INFO: rcu detected stall in sys_openat (3) mm 1 C error 522 21h58m 862d
INFO: rcu detected stall in sys_unlink (3) mm 1 C error 328 3h13m 882d
KCSAN: data-race in __filemap_remove_folio / folio_mapping (2) mm 6 854 58m 994d 💬 6 [25d]
possible deadlock in filemap_fault mm 4 C done 3001 5h34m 1165d 💬 4 [25d]
INFO: rcu detected stall in sys_newfstatat (4) mm 1 C error 506 3d15h 1175d 💬 1 [25d]
memory leak in xas_create mm 3 C 29 5h18m 1283d PATCH [49d]
WARNING in ext4_dirty_folio mm -1 C inconclusive done 25857 3h54m 1388d 💬 2 [25d]
INFO: task hung in do_read_cache_folio kasan mm block 1 C error error 179 933d 1435d 💬 3 [921d]
INFO: task can't die in wait_on_page_bit_common fs mm 1 C done 5 1610d 1962d
KASAN: use-after-free Read in corrupted (4) mm 19 C done error 14 327d 1980d 💬 2 [1321d]
INFO: task hung in do_read_cache_page (3) fs mm 1 C done inconclusive 88 1279d 2177d 💬 2 [2071d]
moderation (49):
Title Rank 🛈 Repro Cause bisect Fix bisect Count Last Reported Discussions
KCSAN: data-race in mem_cgroup_track_foreign_dirty_slowpath / mem_cgroup_track_foreign_dirty_slowpath (9) cgroups mm 6 1 2d14h 2d14h
KCSAN: data-race in begin_new_exec / cgroup_task_dead fs mm 6 1 3d16h 3d16h
KASAN: use-after-free Read in copy_folio_from_iter_atomic (2) mm 19 2 10d 13d
KCSAN: data-race in fprop_reflect_period_percpu / fprop_reflect_period_percpu (8) mm fs 6 2 13d 14d
KCSAN: data-race in __se_sys_mremap / vma_complete mm 6 2 4d02h 14d
KCSAN: data-race in copy_mm / vma_complete (3) mm 6 2 3d01h 17d
BUG: Bad page map (9) mm -1 1 26d 22d
KCSAN: data-race in copy_process / memcpy_and_pad (2) mm 6 1 32d 32d
KCSAN: data-race in copy_fs / free_bprm (2) mm fs 6 1 34d 34d
KCSAN: data-race in folios_put_refs / need_mlock_drain (3) mm 6 4 1d20h 36d
KCSAN: data-race in filemap_write_and_wait_range / xas_set_mark (3) fs mm 6 4 28d 39d
KCSAN: data-race in filemap_read_folio / filemap_read_folio (3) mm 6 1 42d 42d
KCSAN: data-race in copy_mm / vm_mmap_pgoff mm 6 1 51d 51d
KCSAN: data-race in mlock_folio / need_mlock_drain (9) mm 6 2 35d 62d
KCSAN: data-race in copy_mm / copy_page_range (3) mm 6 5 43d 66d
upstream test error: KCSAN: data-race in __xa_clear_mark / xas_find_marked (4) mm fs -1 2 44d 92d
KCSAN: data-race in __writeback_single_inode / xas_clear_mark (8) mm fs 6 5 24d 107d
KCSAN: data-race in _copy_to_iter / _copy_to_iter mm 6 7 6d09h 113d
KCSAN: data-race in __percpu_counter_init_many / copy_mm (2) mm 6 13 8d21h 120d
KCSAN: data-race in __set_task_comm / strlen fs mm 6 6 39d 124d
KCSAN: data-race in xas_find_marked / xas_init_marks (6) mm ext4 6 14 14d 129d
KCSAN: data-race in __filemap_add_folio / invalidate_bdev (10) fs mm 6 4 48d 134d
KCSAN: data-race in __anon_vma_prepare / __vmf_anon_prepare mm 6 3 34d 136d
KCSAN: data-race in _prb_read_valid / prb_reserve_in_last (2) block mm 6 15 7d12h 172d
KCSAN: data-race in munlock_folio / need_mlock_drain (7) mm 6 5 34d 184d
KCSAN: data-race in __wb_update_bandwidth / percpu_counter_add_batch (10) fs mm 6 11 5d02h 204d
KCSAN: data-race in mas_state_walk / mas_wr_store_entry mm 6 105 7d15h 260d
KCSAN: data-race in mas_state_walk / mas_wmb_replace (3) mm 6 275 8h39m 261d
KCSAN: data-race in __anon_vma_prepare / handle_mm_fault (5) mm 6 14 25d 272d
KCSAN: data-race in _copy_from_iter / _copy_from_iter (5) mm 6 96 2d00h 287d
KCSAN: data-race in fill_mg_cmtime / shmem_symlink mm 6 118 2d20h 416d
KCSAN: data-race in fill_mg_cmtime / shmem_mknod mm 6 404 6d00h 418d
KCSAN: data-race in fill_mg_cmtime / shmem_unlink mm 6 114 43d 419d
KCSAN: data-race in file_write_and_wait_range / xas_set_mark (2) mm fs 6 804 3h30m 419d
KCSAN: data-race in shmem_fallocate / shmem_fault (9) mm 6 98 8d18h 452d
KCSAN: data-race in shmem_add_to_page_cache / shmem_getattr (5) mm 6 164 3d02h 556d
KCSAN: data-race in shmem_getattr / shmem_recalc_inode mm 6 165 1d03h 556d
KCSAN: data-race in __filemap_remove_folio / nr_blockdev_pages (5) mm 6 122 22h43m 558d
KCSAN: data-race in __writeback_single_inode / xas_set_mark (6) fs mm 6 766 3h32m 615d
KCSAN: data-race in mlock_new_folio / need_mlock_drain (3) mm 6 83 4d17h 641d
KCSAN: data-race in __lru_add_drain_all / folios_put_refs mm 6 186 2d09h 644d
KCSAN: data-race in shmem_file_splice_read / shmem_file_splice_read mm 6 2289 3h35m 765d
KCSAN: data-race in __filemap_add_folio / filemap_write_and_wait_range mm 6 941 26d 1466d
KCSAN: data-race in __lru_add_drain_all / folio_add_lru mm 6 1672 2h24m 1490d
KCSAN: data-race in __xa_clear_mark / xas_find_marked (2) fs mm 6 5021 2h24m 1660d
KCSAN: data-race in __xa_set_mark / xas_find_marked fs mm 6 1619 13m 1935d
KCSAN: data-race in xas_clear_mark / xas_find_marked (2) fs mm 6 4114 9d03h 2224d
KCSAN: data-race in xas_find_marked / xas_set_mark mm fs 6 2413 17h04m 2230d
corrupted report (2) mm hfs -1 1052133 now 2833d