syzbot

 sign-in | mailing list | source | docs
🐞 Open [1440]
≡ Subsystems
🐞 Fixed [6920]
🐞 Invalid [18016]
⬇ 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 4d16h 15h53m
kernel BUG in __khugepaged_enter mm -1 5 3d13h 21h35m
KMSAN: uninit-value in follow_page_pte mm 7 1 6d01h 2d01h
KASAN: slab-use-after-free Read in mas_walk mm 19 C 1 3d17h 2d18h 💬 6 [1d20h]
memory leak in __kfree_rcu_sheaf mm f2fs exfat 3 syz 1 7d01h 5d19h
KASAN: wild-memory-access Read in lookup_swap_cgroup_id (2) cgroups mm 17 2 12d 9d06h 💬 3 [1d22h]
kernel BUG in page_table_check_set (2) mm -1 10 2h39m 9d15h 💬 1 [7d20h]
INFO: rcu detected stall in schedule_tail (8) mm 1 C error 1 21d 19d
kernel BUG in hpage_collapse_scan_file (2) mm -1 C error 10185 now 21d 💬 3 [20d]
WARNING in unlink_anon_vmas (2) mm -1 C error 8 1d06h 28d PATCH [28d]
WARNING in memcg1_swapout cgroups mm -1 C error 24 32d 29d 💬 8 [24d]
KASAN: slab-use-after-free Read in lookup_object_or_alloc (3) virt mm 19 10 24d 30d PATCH [26d]
KCSAN: data-race in __anon_vma_prepare / __vmf_anon_prepare race:harmful mm 6 5 1d06h 31d 💬 9 [30d]
WARNING in xfs_buf_alloc mm -1 1 41d 37d
INFO: rcu detected stall in __mmap_complete mm 1 syz error error 7 7d02h 41d
possible deadlock in flush_end_io fs mm 4 391 6d05h 48d
KMSAN: uninit-value in __sigqueue_free cgroups mm 7 1 52d 48d PATCH [10d]
KMSAN: uninit-value in swap_writeout mm 7 8 10d 55d PATCH [39d]
INFO: rcu detected stall in sys_io_uring_enter (3) mm 1 41 9h59m 57d
INFO: rcu detected stall in sys_signalfd4 (2) cgroups mm 1 syz 1 61d 59d
INFO: rcu detected stall in finish_dput mm 1 C error 138 26d 62d
WARNING in shrink_lruvec mm -1 1 72d 68d PATCH [58d]
BUG: sleeping function called from invalid context in kvm_mmu_notifier_invalidate_range_start mm 5 3 16d 69d
general protection fault in lru_gen_test_recent (2) mm 2 C 10 37d 70d PATCH [35d]
WARNING in update_rq_clock sound mm ext4 -1 20 15h21m 71d
WARNING in sched_mm_cid_fork fs mm -1 C error 332 12d 74d PATCH [53d]
INFO: rcu detected stall in call_usermodehelper_exec_async (4) mm 1 C error 8 46d 79d
kernel BUG in qlist_free_all (3) mm -1 1 88d 84d
WARNING in __page_table_check_ptes_set (3) mm -1 4 13d 93d
general protection fault in __rt_mutex_slowlock_locked mm 2 5 39d 95d
WARNING in swap_cache_get_folio mm -1 6 95d 95d PATCH [70d]
INFO: rcu detected stall in rescuer_thread (2) net mm 1 syz error inconclusive 4 10d 100d
WARNING in lock_list_lru_of_memcg (2) mm -1 3 73d 101d 💬 2 [101d]
kernel BUG in filemap_fault (3) mm -1 C error 15 13d 108d
INFO: rcu detected stall in sys_symlink (6) mm 1 C error inconclusive 5 34d 110d
INFO: rcu detected stall in shmem_file_write_iter (3) mm 1 C 72 13d 116d
general protection fault in call_timer_fn (2) no-reminders mm 19 10 9d00h 123d
INFO: task hung in migrate_pages_batch (4) mm 1 88 2d23h 124d
possible deadlock in hugetlb_vma_lock_read mm 4 4 63d 128d
WARNING in path_noexec (2) mm fs -1 C error 17382 5h49m 137d PATCH [127d]
WARNING in ext4_mb_load_buddy_gfp ext4 mm -1 C 7 57d 153d PATCH [143d]
KMSAN: uninit-value in __run_timer_base (2) mm 8 9 20d 158d PATCH [155d]
INFO: rcu detected stall in sys_madvise (2) mm 1 43 1d16h 168d
INFO: task hung in writeback_iter (3) fs mm 1 C error 14 18d 171d PATCH [25d]
WARNING in __alloc_skb (4) mm -1 C 7 56d 171d PATCH [147d]
INFO: rcu detected stall in sys_mount (8) mm 1 C error 27 5d16h 172d 💬 1 [171d]
INFO: rcu detected stall in sys_munmap (2) mm 1 C error error 41 33d 177d 💬 7 [57d]
WARNING in alloc_frozen_pages_noprof mm -1 C 390 63d 186d 💬 3 [184d]
KASAN: slab-use-after-free Read in lru_add (2) mm 19 C error 10 19d 194d
INFO: rcu detected stall in devtmpfsd (3) mm 1 C error inconclusive 4 26d 209d 💬 2 [209d]
INFO: rcu detected stall in linkwatch_event (5) net mm 1 syz error error 3 46d 234d
INFO: rcu detected stall in exit_to_user_mode_loop mm 1 C error 381 1h22m 238d 💬 1 [201d]
INFO: rcu detected stall in vm_area_alloc (6) mm 1 syz error error 9 6d08h 261d
INFO: rcu detected stall in vms_gather_munmap_vmas mm 1 syz error error 54 32d 276d
INFO: rcu detected stall in ext4_end_io_rsv_work (3) mm ext4 1 C error error 3 42d 279d
INFO: rcu detected stall in wg_packet_handshake_receive_worker (3) mm 1 syz error 14 8d01h 286d
INFO: rcu detected stall in nsim_fib_event_work mm 1 C error error 7 36d 289d
INFO: task hung in exit_mmap (2) mm 1 C done error 59 5d06h 296d
kernel BUG in __filemap_add_folio mm fs -1 C done 1646 20h59m 296d PATCH [59d]
BUG: soft lockup in sys_bpf mm 1 C error 114 22h40m 298d
INFO: task hung in page_cache_ra_order fs mm 1 C done 83 8d21h 298d 💬 1 [298d]
INFO: rcu detected stall in clone (7) mm 1 81 17d 325d
INFO: task hung in rmap_walk_file mm 1 C error error 19 33d 373d
KASAN: slab-use-after-free Read in list_lru_del mm 19 C done done 27 78d 373d 💬 1 [46d]
INFO: rcu detected stall in sys_mkdir (9) mm 1 syz done error 5 39d 386d
INFO: rcu detected stall in task_numa_work (2) bpf mm 1 C error error 22 18d 407d
INFO: task hung in hugetlbfs_zero_partial_page fs mm 1 syz done error 3 31d 421d
INFO: rcu detected stall in mas_preallocate (2) mm 1 syz done error 9 51d 433d 💬 6 [342d]
INFO: rcu detected stall in sys_umount (3) mm 1 C done error 50 35d 434d 💬 2 [180d]
possible deadlock in balance_pgdat (2) scsi mm 4 C 4 403d 437d 💬 1 [395d]
INFO: rcu detected stall in sys_symlinkat (5) tomoyo mm 1 syz error 85 9d18h 438d
KASAN: slab-use-after-free Read in folio_evictable (3) gfs2 mm 19 C 75 19d 446d 💬 7 [90d]
INFO: rcu detected stall in sys_mmap (3) mm 1 C error 51 14d 447d
INFO: rcu detected stall in sys_setsockopt (4) mm 1 C done inconclusive 62 1d20h 447d
BUG: corrupted list in list_lru_add gfs2 mm 19 C inconclusive 401 6d01h 450d PATCH [37d]
kernel BUG in resv_map_release (3) mm -1 C inconclusive 31 25d 460d 💬 1 [460d]
INFO: rcu detected stall in sys_pipe2 (2) mm 1 syz done done 111 24d 461d
INFO: rcu detected stall in brk (2) mm 1 syz 2 409d 471d 💬 8 [471d]
INFO: rcu detected stall in kthreadd (2) mm 1 C unreliable 108 1d08h 473d
INFO: rcu detected stall in sys_readlink (5) kernfs mm 1 syz done 44 19d 485d
INFO: rcu detected stall in seq_read_iter (2) mm 1 C inconclusive error 9 82d 486d 💬 1 [486d]
WARNING: ODEBUG bug in __folio_put (2) usb mm -1 syz 28 199d 487d
INFO: rcu detected stall in sys_mprotect (8) mm 1 syz done 99 13h15m 492d
INFO: rcu detected stall in kjournald2 (2) mm 1 C error error 78 30d 500d
INFO: rcu detected stall in vhci_release mm 1 syz done done 12 287d 505d
INFO: rcu detected stall in shmem_fault (6) mm 1 C 202 1d14h 513d PATCH [496d]
INFO: rcu detected stall in sys_execve (6) mm 1 C done 76 1d10h 516d
INFO: rcu detected stall in x64_sys_call mm 1 C error 495 23h45m 523d
BUG: corrupted list in add_to_unbuddied mm 8 syz 43 330d 524d 💬 4 [485d]
KMSAN: uninit-value in sw842_compress mm 7 C 107 6d07h 525d 💬 3 [115d]
kernel BUG in z3fold_page_migrate mm -1 syz 354 324d 529d
INFO: task hung in page_cache_ra_unbounded (2) mm fs 1 C done 3651 23d 531d 💬 1 [27d]
INFO: rcu detected stall in kcov_close mm 1 176 21h55m 552d
kernel panic: System is deadlocked on memory (2) mm 2 99 1d07h 552d
INFO: rcu detected stall in vm_mmap_pgoff mm 1 110 1d12h 553d PATCH [496d]
WARNING in drm_mode_create_lease_ioctl mm -1 C inconclusive error 77 14d 598d PATCH [380d]
INFO: rcu detected stall in addrconf_rs_timer (6) netfilter virt mm 1 syz error error 664 3h37m 624d
WARNING in shmem_evict_inode (3) mm -1 66 3d04h 631d
INFO: rcu detected stall in sendmsg (4) mm 1 C error 62 20d 632d
INFO: rcu detected stall in sys_sendto (7) mm 1 C error error 341 3h11m 634d
INFO: rcu detected stall in validate_mm (3) mm 1 C error error 38 52d 644d 💬 5 [586d]
inconsistent lock state in __mmap_lock_do_trace_acquire_returned mm 4 C error inconclusive 498 575d 682d 💬 2 [561d]
INFO: rcu detected stall in sys_clone (8) mm 1 C error 382 now 688d 💬 10 [235d]
INFO: rcu detected stall in sys_syslog (2) mm 1 C error error 43 69d 725d
BUG: soft lockup in pipe_read fs mm 1 syz 5 375d 752d
INFO: task hung in _vm_unmap_aliases (3) mm 1 C 684 2d12h 767d
INFO: rcu detected stall in sys_recvmmsg (3) mm 1 231 4d09h 789d
INFO: rcu detected stall in sys_socket (10) mm 1 C done 194 6d20h 807d 💬 6 [803d]
BUG: spinlock recursion in try_to_wake_up mm crypto 4 C 9 542d 824d
BUG: unable to handle kernel NULL pointer dereference in __kmap_local_page_prot mm 10 C 138 584d 864d PATCH [205d]
kernel BUG in filemap_unaccount_folio mm -1 C done error 491 1d14h 892d 💬 4 [122d]
INFO: rcu detected stall in sys_openat (3) mm 1 C error 531 7d10h 896d
INFO: rcu detected stall in sys_unlink (3) mm 1 C error 349 22h28m 916d
KCSAN: data-race in __filemap_remove_folio / folio_mapping (2) mm 6 905 17h26m 1028d 💬 6 [27d]
possible deadlock in filemap_fault mm 4 C done 3027 1d01h 1199d 💬 4 [27d]
INFO: rcu detected stall in sys_newfstatat (4) mm 1 C error 509 18d 1209d 💬 1 [59d]
memory leak in xas_create mm 3 C 33 11d 1317d PATCH [82d]
WARNING in ext4_dirty_folio mm -1 C inconclusive done 25865 2d18h 1421d 💬 2 [27d]
INFO: task hung in do_read_cache_folio block mm kasan 1 C error error 179 967d 1469d 💬 3 [954d]
INFO: task can't die in wait_on_page_bit_common fs mm 1 C done 5 1643d 1996d
INFO: task hung in do_read_cache_page (3) fs mm 1 C done inconclusive 88 1313d 2211d 💬 2 [2105d]
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 1d17h 1d17h
upstream test error: KCSAN: data-race in __percpu_counter_limited_add / __percpu_counter_limited_add (4) mm -1 1 2d07h 2d07h
KCSAN: data-race in generic_fillattr / shmem_symlink (6) mm 6 2 1d21h 3d08h
KCSAN: data-race in copy_mm / vm_mmap_pgoff (2) mm 6 1 7d16h 7d16h
KCSAN: data-race in copy_mm / dup_mmap (3) mm 6 1 13d 13d
KCSAN: data-race in copy_mm / mas_wmb_replace mm race:benign 6 2 5d22h 22d
KCSAN: data-race in __se_sys_mremap / vms_complete_munmap_vmas mm race:benign 6 1 22d 22d
KCSAN: data-race in copy_mm / lru_gen_del_mm mm 6 2 16d 27d
KCSAN: data-race in shmem_fallocate / shmem_writeout mm 6 19 8h07m 28d
KCSAN: data-race in _copy_to_iter / copy_folio_from_iter_atomic (3) mm 6 1 30d 30d
KCSAN: data-race in mem_cgroup_track_foreign_dirty_slowpath / mem_cgroup_track_foreign_dirty_slowpath (9) mm cgroups 6 1 36d 36d
KCSAN: data-race in begin_new_exec / cgroup_task_dead fs mm 6 1 37d 37d
KASAN: use-after-free Read in copy_folio_from_iter_atomic (2) mm 19 3 26d 47d
KCSAN: data-race in fprop_reflect_period_percpu / fprop_reflect_period_percpu (8) fs mm 6 2 47d 48d
KCSAN: data-race in __se_sys_mremap / vma_complete mm 6 2 37d 48d
KCSAN: data-race in copy_mm / vma_complete (3) mm 6 3 28d 51d
BUG: Bad page map (9) mm -1 1 60d 56d
KCSAN: data-race in do_sync_mmap_readahead / do_sync_mmap_readahead (10) mm 6 3 21d 63d
KCSAN: data-race in copy_process / memcpy_and_pad (2) mm 6 3 21d 66d
KCSAN: data-race in folios_put_refs / need_mlock_drain (3) mm 6 4 35d 70d
KCSAN: data-race in mlock_folio / need_mlock_drain (9) mm 6 4 20d 96d
KCSAN: data-race in copy_mm / copy_page_range (3) mm 6 6 29d 100d
KCSAN: data-race in __writeback_single_inode / xas_clear_mark (8) fs mm 6 8 4d17h 141d
KCSAN: data-race in _copy_to_iter / _copy_to_iter mm 6 7 40d 147d
KCSAN: data-race in __percpu_counter_init_many / copy_mm (2) mm 6 17 10d 154d
KCSAN: data-race in __set_task_comm / strlen mm fs 6 8 20d 158d
KCSAN: data-race in xas_find_marked / xas_init_marks (6) mm ext4 6 15 3d01h 163d
KCSAN: data-race in _prb_read_valid / prb_reserve_in_last (2) mm 6 20 11d 206d
KCSAN: data-race in __wb_update_bandwidth / percpu_counter_add_batch (10) mm fs 6 12 32d 237d
KCSAN: data-race in copy_folio_from_iter_atomic / copy_folio_from_iter_atomic mm ext4 6 107 3d11h 255d
KCSAN: data-race in mas_state_walk / mas_wr_store_entry mm 6 115 9h16m 294d
KCSAN: data-race in mas_state_walk / mas_wmb_replace (3) mm 6 333 9m 295d
KCSAN: data-race in __anon_vma_prepare / handle_mm_fault (5) mm 6 15 4d15h 306d
KCSAN: data-race in _copy_from_iter / _copy_from_iter (5) mm 6 132 2d16h 321d
KCSAN: data-race in fill_mg_cmtime / shmem_symlink mm 6 128 3d08h 450d
KCSAN: data-race in fill_mg_cmtime / shmem_mknod mm 6 446 4h57m 452d
KCSAN: data-race in file_write_and_wait_range / xas_set_mark (2) fs mm 6 866 2h28m 453d
KCSAN: data-race in shmem_fallocate / shmem_fault (9) mm 6 109 1d10h 486d
KCSAN: data-race in shmem_add_to_page_cache / shmem_getattr (5) mm 6 173 1h43m 590d
KCSAN: data-race in shmem_getattr / shmem_recalc_inode mm 6 179 21h20m 590d
KCSAN: data-race in __filemap_remove_folio / nr_blockdev_pages (5) mm 6 125 2d18h 592d
KCSAN: data-race in __writeback_single_inode / xas_set_mark (6) fs mm 6 827 1h20m 649d
KCSAN: data-race in mlock_new_folio / need_mlock_drain (3) mm 6 87 1d11h 675d
KCSAN: data-race in __lru_add_drain_all / folios_put_refs mm 6 191 3d08h 678d
KCSAN: data-race in shmem_file_splice_read / shmem_file_splice_read race:benign mm 6 2417 4h06m 799d
KCSAN: data-race in __filemap_add_folio / filemap_write_and_wait_range mm 6 949 8d16h 1500d
KCSAN: data-race in __lru_add_drain_all / folio_add_lru mm 6 1734 16h39m 1523d
KCSAN: data-race in __xa_clear_mark / xas_find_marked (2) fs mm 6 5097 4h34m 1694d
KCSAN: data-race in __xa_set_mark / xas_find_marked fs mm 6 1633 1d04h 1969d
KCSAN: data-race in xas_clear_mark / xas_find_marked (2) fs mm 6 4118 5d09h 2258d
KCSAN: data-race in xas_find_marked / xas_set_mark fs mm 6 2491 1h25m 2264d