syzbot

 sign-in | mailing list | source | docs
🐞 Open [1442]
≡ Subsystems
🐞 Fixed [6920]
🐞 Invalid [18020]
⬇ Missing Backports [223]
≡ Crashes
Kernel Health Bugs/Month Bug Lifetimes Fuzzing
Total Repo Heatmap Subsystems Heatmap
💬 Send us feedback

Applied filters: Label=subsystems:mm (drop)
open (121) 🔗
Title Rank 🛈 Repro Cause bisect Fix bisect Count Last Reported Discussions
INFO: rcu detected stall in sendfile64 mm block 1 30 5d12h 1d12h
kernel BUG in __khugepaged_enter mm -1 5 4d10h 1d18h
KMSAN: uninit-value in follow_page_pte mm 7 1 6d22h 2d22h
KASAN: slab-use-after-free Read in mas_walk mm 19 C 1 4d13h 3d15h 💬 6 [2d17h]
memory leak in __kfree_rcu_sheaf mm f2fs exfat 3 syz 1 7d22h 6d16h
KASAN: wild-memory-access Read in lookup_swap_cgroup_id (2) cgroups mm 17 2 13d 10d 💬 3 [2d18h]
kernel BUG in page_table_check_set (2) mm -1 32 4h09m 10d 💬 1 [8d17h]
INFO: rcu detected stall in schedule_tail (8) mm 1 C error 1 22d 20d
kernel BUG in hpage_collapse_scan_file (2) mm -1 C error 10515 now 22d 💬 3 [21d]
WARNING in unlink_anon_vmas (2) mm -1 C error 8 2d03h 29d PATCH [28d]
WARNING in memcg1_swapout cgroups mm -1 C error 24 33d 30d 💬 8 [25d]
KASAN: slab-use-after-free Read in lookup_object_or_alloc (3) virt mm 19 10 25d 31d PATCH [27d]
KCSAN: data-race in __anon_vma_prepare / __vmf_anon_prepare race:harmful mm 6 5 2d03h 32d 💬 9 [31d]
WARNING in xfs_buf_alloc mm -1 1 42d 38d
INFO: rcu detected stall in __mmap_complete mm 1 syz error error 7 7d22h 42d
possible deadlock in flush_end_io fs mm 4 391 7d02h 48d
KMSAN: uninit-value in __sigqueue_free cgroups mm 7 1 53d 49d PATCH [11d]
KMSAN: uninit-value in swap_writeout mm 7 8 11d 55d PATCH [40d]
INFO: rcu detected stall in sys_io_uring_enter (3) mm 1 42 7h38m 58d
INFO: rcu detected stall in sys_signalfd4 (2) cgroups mm 1 syz 1 62d 60d
INFO: rcu detected stall in finish_dput mm 1 C error 138 27d 63d
WARNING in shrink_lruvec mm -1 1 72d 68d PATCH [59d]
BUG: sleeping function called from invalid context in kvm_mmu_notifier_invalidate_range_start mm 5 3 17d 70d
general protection fault in lru_gen_test_recent (2) mm 2 C 10 38d 71d PATCH [35d]
WARNING in update_rq_clock sound mm ext4 -1 20 1d12h 72d
WARNING in sched_mm_cid_fork fs mm -1 C error 332 12d 75d PATCH [53d]
INFO: rcu detected stall in call_usermodehelper_exec_async (4) mm 1 C error 8 47d 80d
kernel BUG in qlist_free_all (3) mm -1 1 89d 85d
WARNING in __page_table_check_ptes_set (3) mm -1 5 13h15m 94d
general protection fault in __rt_mutex_slowlock_locked mm 2 6 7h48m 96d
WARNING in swap_cache_get_folio mm -1 6 96d 96d PATCH [71d]
INFO: rcu detected stall in rescuer_thread (2) net mm 1 syz error inconclusive 4 10d 101d
WARNING in lock_list_lru_of_memcg (2) mm -1 3 74d 102d 💬 2 [102d]
kernel BUG in filemap_fault (3) mm -1 C error 15 13d 109d
INFO: rcu detected stall in sys_symlink (6) mm 1 C error inconclusive 5 35d 111d
INFO: rcu detected stall in shmem_file_write_iter (3) mm 1 C 72 14d 117d
general protection fault in call_timer_fn (2) no-reminders mm 19 10 9d21h 124d
INFO: task hung in migrate_pages_batch (4) mm 1 88 3d20h 124d
possible deadlock in hugetlb_vma_lock_read mm 4 4 63d 129d
WARNING in path_noexec (2) mm fs -1 C error 17512 2h01m 138d PATCH [128d]
WARNING in ext4_mb_load_buddy_gfp ext4 mm -1 C 7 58d 154d PATCH [144d]
KMSAN: uninit-value in __run_timer_base (2) mm 8 9 21d 158d PATCH [156d]
INFO: rcu detected stall in sys_madvise (2) mm 1 43 2d13h 169d
INFO: task hung in writeback_iter (3) fs mm 1 C error 14 19d 172d PATCH [26d]
WARNING in __alloc_skb (4) mm -1 C 7 57d 172d PATCH [148d]
INFO: rcu detected stall in sys_mount (8) mm 1 C error 27 6d13h 172d 💬 1 [172d]
INFO: rcu detected stall in sys_munmap (2) mm 1 C error error 41 33d 178d 💬 7 [58d]
WARNING in alloc_frozen_pages_noprof mm -1 C 390 63d 187d 💬 3 [184d]
KASAN: slab-use-after-free Read in lru_add (2) mm 19 C error 10 20d 195d
INFO: rcu detected stall in devtmpfsd (3) mm 1 C error inconclusive 4 27d 210d 💬 2 [210d]
INFO: rcu detected stall in linkwatch_event (5) net mm 1 syz error error 3 47d 235d
INFO: rcu detected stall in exit_to_user_mode_loop mm 1 C error 385 7h21m 239d 💬 1 [202d]
INFO: rcu detected stall in vm_area_alloc (6) mm 1 syz error error 9 7d05h 262d
INFO: rcu detected stall in vms_gather_munmap_vmas mm 1 syz error error 54 33d 277d
INFO: rcu detected stall in ext4_end_io_rsv_work (3) mm ext4 1 C error error 3 43d 280d
INFO: rcu detected stall in wg_packet_handshake_receive_worker (3) mm 1 syz error 14 8d21h 287d
INFO: rcu detected stall in nsim_fib_event_work mm 1 C error error 7 36d 290d
INFO: task hung in exit_mmap (2) mm 1 C done error 59 6d03h 297d
kernel BUG in __filemap_add_folio mm fs -1 C done 1649 8h50m 297d PATCH [60d]
BUG: soft lockup in sys_bpf mm 1 C error 114 1d19h 299d
INFO: task hung in page_cache_ra_order fs mm 1 C done 83 9d18h 299d 💬 1 [299d]
INFO: rcu detected stall in clone (7) mm 1 81 18d 326d
INFO: task hung in rmap_walk_file mm 1 C error error 19 34d 374d
KASAN: slab-use-after-free Read in list_lru_del mm 19 C done done 27 79d 374d 💬 1 [47d]
INFO: rcu detected stall in sys_mkdir (9) mm 1 syz done error 5 39d 387d
INFO: rcu detected stall in task_numa_work (2) bpf mm 1 C error error 22 19d 408d
INFO: task hung in hugetlbfs_zero_partial_page fs mm 1 syz done error 3 32d 421d
INFO: rcu detected stall in mas_preallocate (2) mm 1 syz done error 9 52d 434d 💬 6 [343d]
INFO: rcu detected stall in sys_umount (3) mm 1 C done error 50 36d 435d 💬 2 [181d]
possible deadlock in balance_pgdat (2) scsi mm 4 C 4 404d 438d 💬 1 [395d]
INFO: rcu detected stall in sys_symlinkat (5) tomoyo mm 1 syz error 85 10d 439d
KASAN: slab-use-after-free Read in folio_evictable (3) gfs2 mm 19 C 75 20d 447d 💬 7 [91d]
INFO: rcu detected stall in sys_mmap (3) mm 1 C error 51 15d 447d
INFO: rcu detected stall in sys_setsockopt (4) mm 1 C done inconclusive 62 2d17h 448d
BUG: corrupted list in list_lru_add gfs2 mm 19 C inconclusive 401 6d22h 450d PATCH [38d]
kernel BUG in resv_map_release (3) mm -1 C inconclusive 31 26d 461d 💬 1 [460d]
INFO: rcu detected stall in sys_pipe2 (2) mm 1 syz done done 112 18h47m 462d
INFO: rcu detected stall in brk (2) mm 1 syz 2 410d 472d 💬 8 [471d]
INFO: rcu detected stall in kthreadd (2) mm 1 C unreliable 108 2d04h 474d
INFO: rcu detected stall in sys_readlink (5) kernfs mm 1 syz done 44 20d 485d
INFO: rcu detected stall in seq_read_iter (2) mm 1 C inconclusive error 9 83d 487d 💬 1 [486d]
WARNING: ODEBUG bug in __folio_put (2) usb mm -1 syz 28 200d 488d
INFO: rcu detected stall in sys_mprotect (8) mm 1 syz done 99 1d10h 493d
INFO: rcu detected stall in kjournald2 (2) mm 1 C error error 78 31d 501d
INFO: rcu detected stall in vhci_release mm 1 syz done done 12 288d 505d
INFO: rcu detected stall in shmem_fault (6) mm 1 C 202 2d10h 514d PATCH [496d]
INFO: rcu detected stall in sys_execve (6) mm 1 C done 76 2d07h 516d
INFO: rcu detected stall in x64_sys_call mm 1 C error 495 1d20h 524d
BUG: corrupted list in add_to_unbuddied mm 8 syz 43 331d 525d 💬 4 [486d]
KMSAN: uninit-value in sw842_compress mm 7 C 107 7d03h 526d 💬 3 [116d]
kernel BUG in z3fold_page_migrate mm -1 syz 354 324d 530d
INFO: task hung in page_cache_ra_unbounded (2) mm fs 1 C done 3651 24d 532d 💬 1 [28d]
INFO: rcu detected stall in kcov_close mm 1 177 9h25m 552d
kernel panic: System is deadlocked on memory (2) mm 2 99 2d04h 553d
INFO: rcu detected stall in vm_mmap_pgoff mm 1 110 2d09h 554d PATCH [496d]
WARNING in drm_mode_create_lease_ioctl mm -1 C inconclusive error 77 15h05m 599d PATCH [380d]
INFO: rcu detected stall in addrconf_rs_timer (6) netfilter virt mm 1 syz error error 664 1d00h 624d
WARNING in shmem_evict_inode (3) mm -1 66 4d01h 632d
INFO: rcu detected stall in sendmsg (4) mm 1 C error 62 21d 633d
INFO: rcu detected stall in sys_sendto (7) mm 1 C error error 341 23h59m 635d
INFO: rcu detected stall in validate_mm (3) mm 1 C error error 38 52d 645d 💬 5 [587d]
inconsistent lock state in __mmap_lock_do_trace_acquire_returned mm 4 C error inconclusive 498 576d 683d 💬 2 [562d]
INFO: rcu detected stall in sys_clone (8) mm 1 C error 382 20h50m 689d 💬 10 [235d]
INFO: rcu detected stall in sys_syslog (2) mm 1 C error error 43 70d 726d
BUG: soft lockup in pipe_read fs mm 1 syz 5 375d 753d
INFO: task hung in _vm_unmap_aliases (3) mm 1 C 684 3d08h 768d
INFO: rcu detected stall in sys_recvmmsg (3) mm 1 231 5d06h 790d
INFO: rcu detected stall in sys_socket (10) mm 1 C done 195 1h53m 808d 💬 6 [804d]
BUG: spinlock recursion in try_to_wake_up mm crypto 4 C 9 543d 825d
BUG: unable to handle kernel NULL pointer dereference in __kmap_local_page_prot mm 10 C 138 585d 865d PATCH [205d]
kernel BUG in filemap_unaccount_folio mm -1 C done error 491 2d11h 893d 💬 4 [123d]
INFO: rcu detected stall in sys_openat (3) mm 1 C error 531 8d06h 896d
INFO: rcu detected stall in sys_unlink (3) mm 1 C error 350 8m 917d
KCSAN: data-race in __filemap_remove_folio / folio_mapping (2) mm 6 907 2h14m 1029d 💬 6 [28d]
possible deadlock in filemap_fault mm 4 C done 3027 1d22h 1200d 💬 4 [28d]
INFO: rcu detected stall in sys_newfstatat (4) mm 1 C error 510 20h24m 1210d 💬 1 [60d]
memory leak in xas_create mm 3 C 33 11d 1318d PATCH [83d]
WARNING in ext4_dirty_folio mm -1 C inconclusive done 25865 3d15h 1422d 💬 2 [28d]
INFO: task hung in do_read_cache_folio block mm kasan 1 C error error 179 968d 1470d 💬 3 [955d]
INFO: task can't die in wait_on_page_bit_common fs mm 1 C done 5 1644d 1997d
INFO: task hung in do_read_cache_page (3) fs mm 1 C done inconclusive 88 1314d 2212d 💬 2 [2106d]
moderation (51) 🔗
Title Rank 🛈 Repro Cause bisect Fix bisect Count Last Reported Discussions
KCSAN: data-race in filemap_read_folio / filemap_read_folio (4) mm 6 1 2d14h 2d14h
upstream test error: KCSAN: data-race in __percpu_counter_limited_add / __percpu_counter_limited_add (4) mm -1 1 3d04h 3d04h
KCSAN: data-race in generic_fillattr / shmem_symlink (6) mm 6 2 2d18h 4d05h
KCSAN: data-race in copy_mm / vm_mmap_pgoff (2) mm 6 1 8d13h 8d13h
KCSAN: data-race in copy_mm / dup_mmap (3) mm 6 1 14d 14d
KCSAN: data-race in copy_mm / mas_wmb_replace mm race:benign 6 2 6d19h 23d
KCSAN: data-race in __se_sys_mremap / vms_complete_munmap_vmas mm race:benign 6 1 23d 23d
KCSAN: data-race in copy_mm / lru_gen_del_mm mm 6 2 16d 28d
KCSAN: data-race in shmem_fallocate / shmem_writeout mm 6 21 3h03m 29d
KCSAN: data-race in _copy_to_iter / copy_folio_from_iter_atomic (3) mm 6 1 31d 31d
KCSAN: data-race in mem_cgroup_track_foreign_dirty_slowpath / mem_cgroup_track_foreign_dirty_slowpath (9) mm cgroups 6 1 37d 37d
KCSAN: data-race in begin_new_exec / cgroup_task_dead fs mm 6 1 38d 38d
KASAN: use-after-free Read in copy_folio_from_iter_atomic (2) mm 19 3 27d 48d
KCSAN: data-race in fprop_reflect_period_percpu / fprop_reflect_period_percpu (8) fs mm 6 2 47d 49d
KCSAN: data-race in __se_sys_mremap / vma_complete mm 6 2 38d 49d
KCSAN: data-race in copy_mm / vma_complete (3) mm 6 3 29d 52d
BUG: Bad page map (9) mm -1 1 61d 57d
KCSAN: data-race in do_sync_mmap_readahead / do_sync_mmap_readahead (10) mm 6 3 22d 64d
KCSAN: data-race in copy_process / memcpy_and_pad (2) mm 6 3 22d 67d
KCSAN: data-race in folios_put_refs / need_mlock_drain (3) mm 6 4 36d 71d
KCSAN: data-race in mlock_folio / need_mlock_drain (9) mm 6 4 21d 97d
KCSAN: data-race in copy_mm / copy_page_range (3) mm 6 6 30d 101d
KCSAN: data-race in __writeback_single_inode / xas_clear_mark (8) fs mm 6 8 5d14h 142d
KCSAN: data-race in _copy_to_iter / _copy_to_iter mm 6 7 41d 148d
KCSAN: data-race in __percpu_counter_init_many / copy_mm (2) mm 6 17 11d 154d
KCSAN: data-race in __set_task_comm / strlen mm fs 6 8 21d 159d
KCSAN: data-race in xas_find_marked / xas_init_marks (6) mm ext4 6 15 3d22h 164d
KCSAN: data-race in _prb_read_valid / prb_reserve_in_last (2) mm 6 20 12d 207d
KCSAN: data-race in __wb_update_bandwidth / percpu_counter_add_batch (10) mm fs 6 12 32d 238d
KCSAN: data-race in copy_folio_from_iter_atomic / copy_folio_from_iter_atomic mm ext4 6 108 11h45m 256d
KCSAN: data-race in mas_state_walk / mas_wr_store_entry mm 6 115 1d06h 295d
KCSAN: data-race in mas_state_walk / mas_wmb_replace (3) mm 6 334 5h50m 296d
KCSAN: data-race in __anon_vma_prepare / handle_mm_fault (5) mm 6 15 5d12h 307d
KCSAN: data-race in _copy_from_iter / _copy_from_iter (5) mm 6 132 3d13h 321d
KCSAN: data-race in fill_mg_cmtime / shmem_symlink mm 6 129 12h29m 451d
KCSAN: data-race in fill_mg_cmtime / shmem_mknod mm 6 446 1d01h 453d
KCSAN: data-race in file_write_and_wait_range / xas_set_mark (2) fs mm 6 867 2h16m 454d
KCSAN: data-race in shmem_fallocate / shmem_fault (9) mm 6 109 2d07h 487d
KCSAN: data-race in shmem_add_to_page_cache / shmem_getattr (5) mm 6 173 22h31m 590d
KCSAN: data-race in shmem_getattr / shmem_recalc_inode mm 6 180 9h20m 591d
KCSAN: data-race in __filemap_remove_folio / nr_blockdev_pages (5) mm 6 125 3d14h 593d
KCSAN: data-race in __writeback_single_inode / xas_set_mark (6) fs mm 6 827 22h08m 650d
KCSAN: data-race in mlock_new_folio / need_mlock_drain (3) mm 6 87 2d08h 676d
KCSAN: data-race in __lru_add_drain_all / folios_put_refs mm 6 191 4d05h 679d
KCSAN: data-race in shmem_file_splice_read / shmem_file_splice_read race:benign mm 6 2419 11h47m 800d
KCSAN: data-race in __filemap_add_folio / filemap_write_and_wait_range mm 6 950 6h21m 1501d
KCSAN: data-race in __lru_add_drain_all / folio_add_lru mm 6 1735 9h42m 1524d
KCSAN: data-race in __xa_clear_mark / xas_find_marked (2) fs mm 6 5098 12h07m 1695d
KCSAN: data-race in __xa_set_mark / xas_find_marked fs mm 6 1633 2d01h 1970d
KCSAN: data-race in xas_clear_mark / xas_find_marked (2) fs mm 6 4118 6d06h 2259d
KCSAN: data-race in xas_find_marked / xas_set_mark fs mm 6 2492 6h33m 2265d