syzbot

 sign-in | mailing list | source | docs
🐞 Open [1457]
≡ Subsystems
🐞 Fixed [6865]
🐞 Invalid [17814]
⬇ 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 (117) 🔗
Title Rank 🛈 Repro Cause bisect Fix bisect Count Last Reported Discussions
WARNING in memcg1_swapout cgroups mm -1 C error 24 3d20h 16h13m 💬 1 [46m]
KASAN: slab-use-after-free Read in lookup_object_or_alloc (3) mm 19 9 8d21h 2d04h PATCH [19h04m]
KCSAN: data-race in __anon_vma_prepare / __vmf_anon_prepare mm race:harmful 6 3 39d 3d09h 💬 9 [2d09h]
WARNING in xfs_buf_alloc mm -1 1 13d 9d02h
INFO: rcu detected stall in __mmap_complete mm 1 syz error 6 14d 13d
possible deadlock in flush_end_io fs mm 4 322 19h38m 19d
KMSAN: uninit-value in __sigqueue_free cgroups mm 7 1 23d 19d
KMSAN: uninit-value in swap_writeout mm 7 4 2d21h 26d PATCH [11d]
INFO: rcu detected stall in sys_io_uring_enter (3) mm 1 37 5d04h 29d
INFO: rcu detected stall in sys_signalfd4 (2) mm cgroups 1 syz 1 32d 31d
INFO: rcu detected stall in finish_dput mm 1 C error 136 14h09m 33d
WARNING in shrink_lruvec mm -1 1 43d 39d PATCH [29d]
BUG: sleeping function called from invalid context in kvm_mmu_notifier_invalidate_range_start mm 5 2 41d 40d
general protection fault in lru_gen_test_recent (2) mm 2 C 10 9d02h 41d PATCH [6d14h]
WARNING in update_rq_clock mm sound -1 16 3h39m 43d
WARNING in sched_mm_cid_fork fs mm -1 C error 312 4h10m 45d PATCH [24d]
kernel BUG in qlist_free_all (3) mm -1 1 60d 56d
WARNING in __page_table_check_ptes_set (3) mm -1 3 46d 65d
general protection fault in __rt_mutex_slowlock_locked mm 2 5 11d 67d
WARNING in swap_cache_get_folio mm -1 6 67d 67d PATCH [41d]
possible deadlock in __hugetlb_zap_begin mm 4 1 73d 69d PATCH [68d]
INFO: rcu detected stall in rescuer_thread (2) net mm 1 syz error inconclusive 3 72d 71d
WARNING in lock_list_lru_of_memcg (2) mm -1 3 45d 73d 💬 2 [72d]
kernel BUG in filemap_fault (3) net mm -1 C error 11 9m 80d
INFO: rcu detected stall in sys_symlink (6) tomoyo fs mm 1 C error inconclusive 5 6d09h 82d
INFO: rcu detected stall in shmem_file_write_iter (3) mm 1 69 6h22m 87d
general protection fault in call_timer_fn (2) no-reminders mm 19 8 11d 94d
INFO: task hung in migrate_pages_batch (4) mm 1 70 8d03h 95d
possible deadlock in hugetlb_vma_lock_read mm 4 4 34d 100d
WARNING in path_noexec (2) mm fs -1 C error 13767 2h35m 109d PATCH [99d]
WARNING in ext4_mb_load_buddy_gfp ext4 mm -1 C 7 28d 124d PATCH [115d]
KMSAN: uninit-value in __run_timer_base (2) mm 8 8 17d 129d PATCH [126d]
INFO: rcu detected stall in sys_madvise (2) mm 1 38 25d 139d
INFO: task hung in writeback_iter (3) fs mm 1 C error 14 4d00h 142d PATCH [1d17h]
WARNING in __alloc_skb (4) mm -1 C 7 27d 143d PATCH [119d]
INFO: rcu detected stall in sys_mount (8) mm 1 C error 26 16h46m 143d 💬 1 [143d]
BUG: soft lockup in dev_ioctl (2) mm 1 6 79d 148d
INFO: rcu detected stall in sys_munmap (2) mm 1 C error 41 4d12h 148d 💬 7 [29d]
WARNING in alloc_frozen_pages_noprof mm -1 C 390 34d 158d 💬 3 [155d]
KASAN: slab-use-after-free Read in lru_add (2) mm 19 C error 10 4d17h 166d
WARNING in trace_suspend_resume mm -1 C 2170 1h24m 170d 💬 1 [42d]
INFO: rcu detected stall in kernfs_fop_open (7) kernfs mm 1 C error 4 21d 173d
INFO: rcu detected stall in devtmpfsd (3) mm 1 C error inconclusive 3 111d 181d 💬 2 [180d]
INFO: rcu detected stall in wb_workfn (4) mm 1 C error 52 5d20h 190d 💬 1 [50d]
INFO: rcu detected stall in linkwatch_event (5) net mm 1 syz error 3 18d 206d
INFO: rcu detected stall in exit_to_user_mode_loop mm 1 C error 352 1d02h 210d 💬 1 [172d]
INFO: rcu detected stall in vm_area_alloc (6) mm 1 syz error 8 13d 232d
INFO: rcu detected stall in vms_gather_munmap_vmas mm 1 syz error 54 4d01h 248d
INFO: rcu detected stall in ext4_end_io_rsv_work (3) mm ext4 1 C error 3 13d 250d
INFO: rcu detected stall in wg_packet_handshake_receive_worker (3) mm 1 syz error 12 1d20h 258d
INFO: rcu detected stall in nsim_fib_event_work mm 1 C error 7 7d13h 261d
INFO: task hung in exit_mmap (2) mm 1 C done error 59 4d21h 267d
kernel BUG in __filemap_add_folio fs mm -1 C done 1513 1h10m 268d PATCH [30d]
BUG: soft lockup in sys_bpf mm 1 C error 108 10h00m 269d
INFO: task hung in page_cache_ra_order mm fs 1 C done 81 12h19m 270d 💬 1 [269d]
INFO: rcu detected stall in clone (7) mm 1 78 3d02h 296d
INFO: task hung in rmap_walk_file mm 1 C error 19 4d14h 344d
KASAN: slab-use-after-free Read in list_lru_del mm 19 C done done 27 50d 345d 💬 1 [18d]
INFO: rcu detected stall in sys_mkdir (9) ext4 mm 1 syz done 5 10d 357d
INFO: rcu detected stall in task_numa_work (2) bpf mm 1 C error error 21 73d 378d
INFO: task hung in hugetlbfs_zero_partial_page fs mm 1 syz done 3 2d17h 392d
WARNING in __folio_rmap_sanity_checks (2) xfs mm -1 C inconclusive 17 90d 402d 💬 26 [236d]
INFO: rcu detected stall in mas_preallocate (2) mm 1 syz done 9 22d 404d 💬 6 [313d]
INFO: rcu detected stall in sys_umount (3) mm 1 C done 50 7d05h 405d 💬 2 [151d]
possible deadlock in balance_pgdat (2) mm scsi 4 C 4 375d 409d 💬 1 [366d]
possible deadlock in lock_mm_and_find_vma (3) mm ntfs3 4 11 86d 409d
INFO: rcu detected stall in sys_symlinkat (5) tomoyo mm 1 syz error 82 2h28m 409d
KASAN: slab-use-after-free Read in folio_evictable (3) gfs2 mm 19 C 75 4d17h 417d 💬 7 [61d]
INFO: rcu detected stall in sys_mmap (3) mm 1 C error 50 1d00h 418d
INFO: rcu detected stall in sys_setsockopt (4) mm 1 C done inconclusive 59 4d02h 418d
BUG: corrupted list in list_lru_add gfs2 mm 19 C inconclusive 350 4h23m 421d PATCH [8d16h]
kernel BUG in resv_map_release (3) mm -1 C inconclusive 31 10d 431d 💬 1 [431d]
INFO: rcu detected stall in sys_pipe2 (2) mm 1 syz done done 110 54d 433d
INFO: rcu detected stall in brk (2) mm 1 syz 2 380d 443d 💬 8 [442d]
INFO: rcu detected stall in kthreadd (2) mm 1 C unreliable 106 8d08h 444d
INFO: rcu detected stall in sys_readlink (5) kernfs mm 1 syz done 43 2d09h 456d
INFO: rcu detected stall in seq_read_iter (2) mm 1 C inconclusive error 9 53d 458d 💬 1 [457d]
WARNING: ODEBUG bug in __folio_put (2) usb mm -1 syz 28 171d 459d
INFO: rcu detected stall in sys_mprotect (8) mm 1 syz done 96 10d 463d
INFO: rcu detected stall in kjournald2 (2) mm 1 C error error 78 1d15h 471d
INFO: rcu detected stall in vhci_release mm 1 syz done done 12 259d 476d
INFO: rcu detected stall in shmem_fault (6) mm 1 C 197 8h13m 485d PATCH [467d]
INFO: rcu detected stall in sys_execve (6) mm 1 C done 74 2h26m 487d
INFO: rcu detected stall in x64_sys_call mm 1 C error 488 2d03h 495d
BUG: corrupted list in add_to_unbuddied mm 8 syz 43 302d 496d 💬 4 [456d]
KMSAN: uninit-value in sw842_compress mm 7 C 100 6d07h 496d 💬 3 [86d]
kernel BUG in z3fold_page_migrate mm -1 syz 354 295d 501d
INFO: task hung in page_cache_ra_unbounded (2) mm fs 1 C done 3650 2d13h 503d 💬 1 [30d]
INFO: rcu detected stall in kcov_close mm 1 168 10d 523d
kernel panic: System is deadlocked on memory (2) mm 2 89 10h21m 523d
INFO: rcu detected stall in vm_mmap_pgoff mm 1 109 14h07m 524d PATCH [467d]
WARNING in drm_mode_create_lease_ioctl mm -1 C inconclusive 77 22d 570d PATCH [351d]
INFO: rcu detected stall in addrconf_rs_timer (6) x86 mm netfilter 1 syz error error 640 20h25m 595d
WARNING in shmem_evict_inode (3) mm -1 62 2d13h 603d
INFO: rcu detected stall in sendmsg (4) mm 1 C error 61 30d 603d
INFO: rcu detected stall in sys_sendto (7) mm 1 C error 340 1d15h 606d
INFO: rcu detected stall in validate_mm (3) mm 1 C error 38 23d 615d 💬 5 [557d]
inconsistent lock state in __mmap_lock_do_trace_acquire_returned mm 4 C error inconclusive 498 547d 654d 💬 2 [533d]
INFO: rcu detected stall in sys_clone (8) mm 1 C error 369 3d16h 660d 💬 10 [206d]
INFO: rcu detected stall in sys_syslog (2) mm 1 C error error 43 41d 697d
BUG: soft lockup in pipe_read fs mm 1 syz 5 346d 723d
INFO: task hung in _vm_unmap_aliases (3) mm 1 C 673 2d07h 739d
INFO: rcu detected stall in sys_socket (10) mm 1 C done 187 2h18m 779d 💬 6 [774d]
BUG: spinlock recursion in try_to_wake_up mm crypto 4 C 9 513d 796d
BUG: unable to handle kernel NULL pointer dereference in __kmap_local_page_prot mm 10 C 138 555d 836d PATCH [176d]
kernel BUG in filemap_unaccount_folio mm -1 C done error 486 8d09h 864d 💬 4 [93d]
INFO: rcu detected stall in sys_openat (3) mm 1 C error 526 1d10h 867d
INFO: rcu detected stall in sys_unlink (3) mm 1 C error 339 11h46m 888d
KCSAN: data-race in __filemap_remove_folio / folio_mapping (2) mm 6 862 23h10m 999d 💬 6 [30d]
possible deadlock in filemap_fault mm 4 C done 3011 8h27m 1171d 💬 4 [30d]
INFO: rcu detected stall in sys_newfstatat (4) mm 1 C error 509 3d13h 1181d 💬 1 [30d]
memory leak in xas_create mm 3 C 31 1d04h 1288d PATCH [54d]
WARNING in ext4_dirty_folio mm -1 C inconclusive done 25860 12m 1393d 💬 2 [30d]
INFO: task hung in do_read_cache_folio kasan mm block 1 C error error 179 939d 1440d 💬 3 [926d]
INFO: task can't die in wait_on_page_bit_common fs mm 1 C done 5 1615d 1968d
KASAN: use-after-free Read in corrupted (4) mm 19 C done error 14 332d 1985d 💬 2 [1326d]
INFO: task hung in do_read_cache_page (3) fs mm 1 C done inconclusive 88 1285d 2182d 💬 2 [2076d]
moderation (49) 🔗
Title Rank 🛈 Repro Cause bisect Fix bisect Count Last Reported Discussions
KCSAN: data-race in shmem_fallocate / shmem_writeout mm 6 1 9h09m 9h08m
KCSAN: data-race in _copy_to_iter / copy_folio_from_iter_atomic (3) mm 6 1 2d00h 2d00h
KCSAN: data-race in mem_cgroup_track_foreign_dirty_slowpath / mem_cgroup_track_foreign_dirty_slowpath (9) cgroups mm 6 1 7d22h 7d22h
KCSAN: data-race in begin_new_exec / cgroup_task_dead fs mm 6 1 9d00h 9d00h
KASAN: use-after-free Read in copy_folio_from_iter_atomic (2) mm 19 2 16d 19d
KCSAN: data-race in fprop_reflect_period_percpu / fprop_reflect_period_percpu (8) mm fs 6 2 18d 19d
KCSAN: data-race in __se_sys_mremap / vma_complete mm 6 2 9d09h 19d
KCSAN: data-race in copy_mm / vma_complete (3) mm 6 2 8d09h 23d
BUG: Bad page map (9) mm -1 1 32d 28d
KCSAN: data-race in do_sync_mmap_readahead / do_sync_mmap_readahead (10) mm 6 2 12d 34d
KCSAN: data-race in copy_process / memcpy_and_pad (2) mm 6 1 37d 37d
KCSAN: data-race in copy_fs / free_bprm (2) mm fs 6 1 40d 40d
KCSAN: data-race in folios_put_refs / need_mlock_drain (3) mm 6 4 7d04h 41d
KCSAN: data-race in filemap_write_and_wait_range / xas_set_mark (3) fs mm 6 4 33d 44d
KCSAN: data-race in filemap_read_folio / filemap_read_folio (3) mm 6 1 47d 47d
KCSAN: data-race in mlock_folio / need_mlock_drain (9) mm 6 2 40d 68d
KCSAN: data-race in copy_mm / copy_page_range (3) mm 6 6 20h16m 71d
upstream test error: KCSAN: data-race in __xa_clear_mark / xas_find_marked (4) mm fs -1 2 49d 98d
KCSAN: data-race in __writeback_single_inode / xas_clear_mark (8) mm fs 6 6 1d22h 112d
KCSAN: data-race in _copy_to_iter / _copy_to_iter mm 6 7 11d 118d
KCSAN: data-race in __percpu_counter_init_many / copy_mm (2) mm 6 13 14d 125d
KCSAN: data-race in __set_task_comm / strlen fs mm 6 6 44d 130d
KCSAN: data-race in xas_find_marked / xas_init_marks (6) mm ext4 6 14 20d 134d
KCSAN: data-race in __filemap_add_folio / invalidate_bdev (10) fs mm 6 4 53d 140d
KCSAN: data-race in _prb_read_valid / prb_reserve_in_last (2) block mm 6 15 12d 178d
KCSAN: data-race in munlock_folio / need_mlock_drain (7) mm 6 5 39d 189d
KCSAN: data-race in __wb_update_bandwidth / percpu_counter_add_batch (10) fs mm 6 12 3d12h 209d
KCSAN: data-race in mas_state_walk / mas_wr_store_entry mm 6 106 2d20h 265d
KCSAN: data-race in mas_state_walk / mas_wmb_replace (3) mm 6 284 11h51m 267d
KCSAN: data-race in __anon_vma_prepare / handle_mm_fault (5) mm 6 14 30d 278d
KCSAN: data-race in _copy_from_iter / _copy_from_iter (5) mm 6 100 24m 292d
KCSAN: data-race in fill_mg_cmtime / shmem_symlink mm 6 119 3d00h 421d
KCSAN: data-race in fill_mg_cmtime / shmem_mknod mm 6 409 12h41m 423d
KCSAN: data-race in file_write_and_wait_range / xas_set_mark (2) mm fs 6 815 9h26m 425d
KCSAN: data-race in shmem_fallocate / shmem_fault (9) mm 6 99 4d20h 457d
KCSAN: data-race in shmem_add_to_page_cache / shmem_getattr (5) mm 6 166 1d10h 561d
KCSAN: data-race in shmem_getattr / shmem_recalc_inode mm 6 167 1d23h 562d
KCSAN: data-race in __filemap_remove_folio / nr_blockdev_pages (5) mm 6 122 6d06h 563d
KCSAN: data-race in __writeback_single_inode / xas_set_mark (6) fs mm 6 775 12h06m 620d
KCSAN: data-race in mlock_new_folio / need_mlock_drain (3) mm 6 83 10d 646d
KCSAN: data-race in __lru_add_drain_all / folios_put_refs mm 6 187 12h27m 650d
KCSAN: data-race in shmem_file_splice_read / shmem_file_splice_read mm race:benign 6 2305 12h07m 771d
KCSAN: data-race in __filemap_add_folio / filemap_write_and_wait_range mm 6 942 10h05m 1472d
KCSAN: data-race in __lru_add_drain_all / folio_add_lru mm 6 1680 23h55m 1495d
KCSAN: data-race in __xa_clear_mark / xas_find_marked (2) fs mm 6 5028 11h46m 1666d
KCSAN: data-race in __xa_set_mark / xas_find_marked fs mm 6 1620 1d01h 1940d
KCSAN: data-race in xas_clear_mark / xas_find_marked (2) fs mm 6 4114 14d 2230d
KCSAN: data-race in xas_find_marked / xas_set_mark mm fs 6 2426 12h06m 2235d
corrupted report (2) mm hfs -1 1055535 now 2838d