syzbot

 sign-in | mailing list | source | docs
🐞 Open [1454]
≡ Subsystems
🐞 Fixed [6739]
🐞 Invalid [17343]
⬇ Missing Backports [220]
≡ Crashes
Kernel Health Bugs/Month Bug Lifetimes Fuzzing
Total Repo Heatmap Subsystems Heatmap
💬 Send us feedback

Applied filters: Label=subsystems:mm (drop)
open (113):
Title Rank 🛈 Repro Cause bisect Fix bisect Count Last Reported Discussions
WARNING in __page_table_check_ptes_set (3) mm -1 1 8d23h 4d23h
general protection fault in __rt_mutex_slowlock_locked mm 2 2 10d 6d19h
WARNING in swap_cache_get_folio mm -1 6 6d23h 7d01h 💬 1 [7d00h]
possible deadlock in __hugetlb_zap_begin mm 4 1 12d 8d15h PATCH [8d11h]
INFO: rcu detected stall in rescuer_thread (2) net mm 1 syz error 3 12d 11d
WARNING in lock_list_lru_of_memcg (2) mm -1 2 6d00h 12d 💬 2 [12d]
WARNING in raw_ioctl mm -1 C 2381 1h10m 24d PATCH [4d23h]
INFO: rcu detected stall in shmem_file_write_iter (3) mm 1 32 19d 27d
general protection fault in call_timer_fn (2) kernfs x86 mm 19 5 34d 34d
INFO: task hung in migrate_pages_batch (4) mm 1 43 17h13m 35d
INFO: task hung in __rmap_walk_file mm 1 C error 7 13d 38d 💬 3 [36d]
possible deadlock in hugetlb_vma_lock_read mm 4 3 38d 39d
WARNING in path_noexec (2) fs mm -1 C error 6879 16m 48d PATCH [38d]
possible deadlock in ksm_do_scan mm 4 1 55d 51d 💬 1 [50d]
KCSAN: data-race in try_to_compact_pages / try_to_compact_pages mm 6 1 55d 53d 💬 1 [53d]
possible deadlock in xdp_umem_pin_pages mm bpf net 4 2 55d 54d
WARNING: bad unlock balance in hugetlb_vmdelete_list fs mm 4 C 1 56d 56d PATCH [54d]
WARNING in __bch2_writepage mm -1 1 60d 56d
kernel BUG in __free_one_page (2) mm -1 C 4 53d 63d
WARNING in ext4_mb_load_buddy_gfp ext4 mm -1 C 7 2d16h 64d PATCH [54d]
KMSAN: uninit-value in __run_timer_base (2) mm batman 7 5 57d 69d PATCH [66d]
INFO: rcu detected stall in sys_madvise (2) mm 1 35 21d 79d
WARNING in __alloc_skb (4) mm -1 C 7 20d 82d PATCH [58d]
WARNING in copy_process mm -1 syz 2 82d 85d 💬 4 [82d]
BUG: soft lockup in dev_ioctl (2) mm 1 6 19d 88d
kernel BUG in page_table_check_set mm -1 C 6 75d 88d 💬 5 [86d]
INFO: rcu detected stall in sys_munmap (2) mm 1 syz error 27 8d05h 88d 💬 7 [82d]
INFO: rcu detected stall in hub_event (2) kernfs mm 1 C error 46 10d 89d
WARNING in alloc_frozen_pages_noprof mm -1 C 233 3h02m 97d 💬 3 [95d]
KASAN: slab-use-after-free Read in lru_add (2) mm gfs2 19 C error 2 71d 105d
INFO: rcu detected stall in kernfs_fop_open (7) kernfs mm 1 C error 3 2d15h 112d
INFO: rcu detected stall in devtmpfsd (3) mm 1 C error inconclusive 3 50d 121d 💬 2 [120d]
INFO: rcu detected stall in wb_workfn (4) block mm 1 C error 40 11d 130d 💬 1 [76d]
INFO: rcu detected stall in linkwatch_event (5) net mm 1 syz error 2 32d 145d
INFO: rcu detected stall in exit_to_user_mode_loop mm 1 C error 217 1d12h 150d 💬 1 [112d]
INFO: rcu detected stall in vm_area_alloc (6) mm bpf 1 syz error 7 4d18h 172d
INFO: rcu detected stall in vms_gather_munmap_vmas mm 1 syz error 50 6d08h 187d
INFO: rcu detected stall in ext4_end_io_rsv_work (3) mm ext4 1 C error 2 16d 190d
INFO: rcu detected stall in wg_packet_handshake_receive_worker (3) mm 1 syz error 9 3d02h 197d
INFO: rcu detected stall in nsim_fib_event_work mm 1 C error 6 15d 200d
BUG: Bad page state in page_cache_ra_order mm -1 C error 37 46d 201d
INFO: task hung in exit_mmap (2) mm 1 C done error 29 5d23h 207d
kernel BUG in __filemap_add_folio fs mm -1 C done 891 20h37m 207d 💬 1 [12d]
BUG: soft lockup in sys_bpf mm 1 C error 45 14d 209d
INFO: task hung in page_cache_ra_order fs mm 1 C done 64 6d08h 209d 💬 1 [209d]
INFO: rcu detected stall in clone (7) mm 1 57 3d07h 236d
INFO: task hung in rmap_walk_file mm 1 C error 19 4d13h 284d
KASAN: slab-use-after-free Read in list_lru_del mm 19 syz done 25 6d12h 284d
INFO: rcu detected stall in sys_mkdir (9) ext4 mm 1 syz done 3 90d 297d
INFO: rcu detected stall in task_numa_work (2) mm bpf 1 C error error 21 12d 318d
KASAN: slab-use-after-free Read in filemap_map_pages mm 19 C inconclusive done 17 48d 321d 💬 1 [12d]
INFO: task hung in hugetlbfs_zero_partial_page fs mm 1 syz done 3 96d 332d
WARNING in __folio_rmap_sanity_checks (2) mm -1 C inconclusive 17 30d 342d 💬 26 [176d]
INFO: rcu detected stall in mas_preallocate (2) mm 1 syz done 8 15d 344d 💬 6 [253d]
INFO: rcu detected stall in sys_umount (3) mm 1 C done 46 15d 345d 💬 2 [91d]
possible deadlock in balance_pgdat (2) scsi mm 4 C 4 314d 348d 💬 1 [306d]
INFO: rcu detected stall in sys_symlinkat (5) mm tomoyo fs 1 syz error 74 14d 349d
INFO: rcu detected stall in sys_sendmmsg (7) mm tipc 1 91 31d 352d
KASAN: slab-use-after-free Read in folio_evictable (3) gfs2 mm 19 C 66 6d04h 357d 💬 7 [1d08h]
INFO: rcu detected stall in sys_mmap (3) mm 1 C error 31 14h31m 358d
INFO: rcu detected stall in sys_setsockopt (4) mm 1 C done inconclusive 39 2d09h 358d
BUG: corrupted list in list_lru_add mm 19 C inconclusive 33 9d03h 361d
INFO: rcu detected stall in security_file_ioctl (9) mm 1 syz error 98 20h09m 361d
kernel BUG in resv_map_release (3) mm -1 C inconclusive 24 13d 371d 💬 1 [371d]
INFO: rcu detected stall in sys_pipe2 (2) mm 1 syz done 108 11d 373d
KCSAN: data-race in folios_put_refs / need_mlock_drain (2) mm 6 24 43d 379d
INFO: rcu detected stall in brk (2) mm 1 syz 2 320d 383d 💬 8 [382d]
INFO: rcu detected stall in kthreadd (2) mm 1 C unreliable 100 9d11h 384d
INFO: rcu detected stall in sys_readlink (5) mm 1 syz done 34 25d 396d
INFO: rcu detected stall in seq_read_iter (2) mm 1 C inconclusive error 8 268d 398d 💬 1 [397d]
WARNING: ODEBUG bug in __folio_put (2) usb mm -1 syz 28 110d 399d
INFO: rcu detected stall in sys_mprotect (8) mm 1 syz done 90 16h04m 403d
INFO: rcu detected stall in kjournald2 (2) mm 1 C error error 77 37d 411d
INFO: rcu detected stall in vhci_release mm 1 syz done done 12 199d 416d
INFO: rcu detected stall in shmem_fault (6) mm 1 C 146 2h23m 425d PATCH [407d]
INFO: rcu detected stall in sys_execve (6) mm 1 syz done 63 9d11h 427d
INFO: rcu detected stall in x64_sys_call mm kasan 1 C error 411 2h22m 434d
BUG: corrupted list in add_to_unbuddied mm 8 syz 43 241d 435d 💬 4 [396d]
KMSAN: uninit-value in sw842_compress mm 7 C 69 19d 436d 💬 3 [26d]
kernel BUG in z3fold_page_migrate mm -1 syz 354 235d 440d
INFO: task hung in page_cache_ra_unbounded (2) fs mm 1 C done 3648 5d03h 442d 💬 1 [18d]
INFO: rcu detected stall in kcov_close mm 1 149 17d 463d
kernel panic: System is deadlocked on memory (2) mm 2 71 2d09h 463d
INFO: rcu detected stall in vm_mmap_pgoff mm 1 98 32d 464d PATCH [407d]
INFO: rcu detected stall in addrconf_rs_timer (6) x86 mm netfilter 1 syz error error 605 9h39m 535d
BUG: unable to handle kernel paging request in free_unref_page mm 8 syz 2 312d 535d
possible deadlock in __mmap_lock_do_trace_acquire_returned (2) mm 4 C error inconclusive 621 477d 540d
WARNING in shmem_evict_inode (3) mm -1 54 12d 542d
INFO: rcu detected stall in sendmsg (4) mm net 1 C error 60 20d 543d
INFO: rcu detected stall in sys_sendto (7) mm 1 C error 323 16h04m 545d
INFO: rcu detected stall in validate_mm (3) mm 1 C error 38 26d 555d 💬 5 [497d]
inconsistent lock state in __mmap_lock_do_trace_acquire_returned mm 4 C error inconclusive 498 486d 593d 💬 2 [473d]
INFO: rcu detected stall in sys_clone (8) mm 1 C error 320 1d07h 599d 💬 10 [146d]
INFO: rcu detected stall in sys_syslog (2) mm 1 C error error 42 8d09h 636d
BUG: soft lockup in pipe_read fs mm 1 syz 5 286d 663d
INFO: rcu detected stall in sys_recvmmsg (3) mm net 1 199 5d10h 700d
INFO: rcu detected stall in sys_socket (10) mm 1 C done 169 6d03h 719d 💬 6 [714d]
BUG: spinlock recursion in try_to_wake_up mm crypto 4 C 9 453d 735d
INFO: rcu detected stall in sys_unshare (9) mm 1 C inconclusive done 75 1d20h 738d 💬 1 [56d]
BUG: unable to handle kernel NULL pointer dereference in __kmap_local_page_prot mm 10 C 138 495d 775d PATCH [116d]
kernel BUG in filemap_unaccount_folio mm -1 C done error 485 44d 803d 💬 4 [33d]
INFO: rcu detected stall in sys_openat (3) mm 1 C error 470 4d11h 807d
INFO: rcu detected stall in sys_unlink (3) mm 1 C error 213 3d21h 827d
KCSAN: data-race in __filemap_remove_folio / folio_mapping (2) mm 6 795 1h59m 939d 💬 6 [64d]
WARNING in v9fs_fid_get_acl mm v9fs -1 C error error 5678 39d 1083d PATCH [443d]
possible deadlock in filemap_fault mm 4 C done 2949 9d15h 1110d 💬 4 [33d]
INFO: rcu detected stall in sys_newfstatat (4) mm 1 C error 484 16h34m 1120d 💬 1 [33d]
memory leak in xas_create mm 3 C 17 9d17h 1228d 💬 9 [734d]
WARNING in ext4_dirty_folio mm -1 C inconclusive done 25846 3d06h 1333d 💬 2 [33d]
INFO: task hung in do_read_cache_folio mm block kasan 1 C error error 179 878d 1380d 💬 3 [866d]
INFO: task can't die in wait_on_page_bit_common fs mm 1 C done 5 1555d 1907d
KASAN: use-after-free Read in corrupted (4) mm 19 C done error 14 272d 1925d 💬 2 [1266d]
INFO: task hung in do_read_cache_page (3) mm fs 1 C done inconclusive 88 1224d 2122d 💬 2 [2016d]
moderation (54):
Title Rank 🛈 Repro Cause bisect Fix bisect Count Last Reported Discussions
KCSAN: data-race in __filemap_remove_folio / evict_folios mm 6 1 2d04h 2d04h
KCSAN: data-race in file_update_time / shmem_fallocate mm 6 1 5d00h 5d00h
KCSAN: data-race in mlock_folio / need_mlock_drain (9) mm 6 1 7d15h 7d15h
KCSAN: data-race in copy_mm / copy_page_range (3) mm 6 2 6h50m 11d
KCSAN: data-race in copy_mm / vm_stat_account mm 6 1 16d 16d
possible deadlock in flush_end_io fs mm 4 77 16h28m 23d
KCSAN: data-race in _copy_to_iter / copy_folio_from_iter_atomic (2) mm 6 5 11d 30d
KCSAN: data-race in copy_mm / vma_complete (2) mm 6 2 19d 34d
general protection fault in lru_gen_test_recent (2) mm 2 2 16d 34d
KCSAN: data-race in generic_fillattr / shmem_symlink (5) mm 6 2 7d20h 35d
upstream test error: KCSAN: data-race in __xa_clear_mark / xas_find_marked (4) mm fs -1 1 37d 37d
KCSAN: data-race in __lru_add_drain_all / deactivate_file_folio (4) mm 6 1 41d 41d
KCSAN: data-race in __wb_writeout_add / __wb_writeout_add fs mm 6 1 45d 45d
KASAN: slab-use-after-free Read in __list_lru_walk_one (3) mm 19 3 12d 45d
KCSAN: data-race in __writeback_single_inode / xas_clear_mark (8) fs mm 6 3 13d 52d
KCSAN: data-race in compact_zone / compact_zone (8) mm 6 2 4d19h 55d
KCSAN: data-race in _copy_to_iter / _copy_to_iter mm 6 5 1d00h 58d
KCSAN: data-race in __percpu_counter_init_many / copy_mm (2) mm 6 7 7d19h 65d
KCSAN: data-race in __set_task_comm / strlen fs mm 6 4 22d 69d
KCSAN: data-race in getrusage / try_to_migrate_one (3) mm 6 3 55d 71d
KCSAN: data-race in __filemap_add_folio / invalidate_bdev (10) mm fs 6 3 31d 79d
KCSAN: data-race in __anon_vma_prepare / __vmf_anon_prepare mm 6 2 27d 81d
WARNING in __folio_mark_dirty (3) mm fs -1 10 6d16h 99d
KCSAN: data-race in page_cache_sync_ra / page_cache_sync_ra (3) ext4 mm 6 16 46d 100d
KCSAN: data-race in munlock_folio / need_mlock_drain (7) mm 6 4 13d 129d
KCSAN: data-race in __wb_update_bandwidth / percpu_counter_add_batch (10) fs mm 6 9 25d 149d
KCSAN: data-race in mas_state_walk / mas_wr_store_entry mm 6 83 5d02h 205d
KCSAN: data-race in mas_state_walk / mas_wmb_replace (3) mm 6 223 10h42m 206d
KCSAN: data-race in call_rcu / mas_state_walk (2) mm 6 169 47d 207d
KCSAN: data-race in __anon_vma_prepare / handle_mm_fault (5) mm 6 10 46d 217d
KCSAN: data-race in __xa_set_mark / filemap_write_and_wait_range fs mm 6 25 46d 230d
KCSAN: data-race in _copy_from_iter / _copy_from_iter (5) mm 6 70 9d21h 232d
KCSAN: data-race in filemap_write_and_wait_range / xas_set_mark (2) fs mm 6 230 45d 286d
KCSAN: data-race in fill_mg_cmtime / shmem_symlink mm 6 104 16h52m 361d
KCSAN: data-race in fill_mg_cmtime / shmem_mknod mm 6 367 3d08h 363d
KCSAN: data-race in fill_mg_cmtime / shmem_unlink mm 6 108 2d00h 363d
KCSAN: data-race in file_write_and_wait_range / xas_set_mark (2) mm fs 6 706 20h20m 364d
KCSAN: data-race in shmem_fallocate / shmem_fault (9) mm 6 88 1d13h 397d
KCSAN: data-race in __delete_from_swap_cache / folio_mapping (5) mm 6 55 47d 400d
KCSAN: data-race in getrusage / vms_clear_ptes mm 6 189 46d 421d 💬 1 [248d]
KCSAN: data-race in shmem_add_to_page_cache / shmem_getattr (5) mm 6 153 1d21h 501d
KCSAN: data-race in shmem_getattr / shmem_recalc_inode mm 6 148 2d14h 501d
KCSAN: data-race in __filemap_remove_folio / nr_blockdev_pages (5) mm 6 106 1d00h 503d
KCSAN: data-race in __writeback_single_inode / xas_set_mark (6) mm fs 6 672 20h16m 560d
KCSAN: data-race in mlock_new_folio / need_mlock_drain (3) mm 6 78 8d11h 586d
KCSAN: data-race in __lru_add_drain_all / folios_put_refs mm 6 181 3d01h 589d
KCSAN: data-race in shmem_file_splice_read / shmem_file_splice_read mm 6 2090 20h27m 710d
KCSAN: data-race in __filemap_add_folio / filemap_write_and_wait_range ext4 mm 6 936 9d16h 1411d
KCSAN: data-race in __lru_add_drain_all / folio_add_lru mm 6 1591 12h36m 1434d
KCSAN: data-race in __xa_clear_mark / xas_find_marked (2) fs mm 6 4939 20h40m 1605d
KCSAN: data-race in __xa_set_mark / xas_find_marked fs mm 6 1594 3d07h 1880d
KCSAN: data-race in xas_clear_mark / xas_find_marked (2) fs mm 6 4110 4d07h 2169d
KCSAN: data-race in xas_find_marked / xas_set_mark fs mm 6 2311 17h31m 2175d
corrupted report (2) mm -1 1013474 now 2778d