syzbot

 sign-in | mailing list | source | docs
🐞 Open [1568]
≡ Subsystems
🐞 Fixed [6345]
🐞 Invalid [16171]
⬇ Missing Backports [193]
≡ 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 Repro Cause bisect Fix bisect Count Last Reported Discussions
WARNING in xfs_init_fs_context mm 3 3d09h 2d17h 💬 3 [9h06m]
INFO: rcu detected stall in exit_to_user_mode_loop mm 41 1d05h 11d
WARNING: bad unlock balance in move_pgt_entry mm C done 8 15d 15d 💬 1 [14d]
possible deadlock in upgrade_mmap_lock_carefully (2) mm ntfs3 C error 6 6d09h 24d 💬 1 [22d]
INFO: rcu detected stall in sys_unlinkat (3) mm 31 23h52m 26d
BUG: soft lockup in sys_sendmsg (2) scsi mm block 7 2d02h 27d
KASAN: slab-use-after-free Read in __list_lru_walk_one (2) mm 1 35d 29d
WARNING: bad unlock balance in copy_process mm 3 16d 32d
INFO: rcu detected stall in vm_area_alloc (6) mm syz error 3 9d12h 33d
possible deadlock in __vma_start_write mm 1 38d 34d 💬 10 [27d]
BUG: unable to handle kernel paging request in percpu_ref_get_many (2) cgroups mm 21 1d23h 38d 💬 1 [4d01h]
INFO: rcu detected stall in vms_gather_munmap_vmas mm syz error 35 5d18h 48d
INFO: rcu detected stall in ext4_end_io_rsv_work (3) mm ext4 C error 2 25d 51d
KCSAN: data-race in copy_page_from_iter_atomic / pagecache_isize_extended ext4 mm 2 53d 57d 💬 4 [49d]
INFO: rcu detected stall in wg_packet_handshake_receive_worker (3) wireguard mm syz error 6 13d 58d
INFO: rcu detected stall in nsim_fib_event_work mm C error 3 7d21h 61d
BUG: Bad page state in page_cache_ra_order mm C 14 1d12h 62d
KCSAN: data-race in copy_mm / copy_page_range mm 3 10d 65d
INFO: task hung in exit_mmap (2) mm C done error 8 1d13h 68d
kernel BUG in __filemap_add_folio fs mm C done 75 2h03m 68d
BUG: soft lockup in sys_bpf mm 16 6d11h 70d
INFO: task hung in page_cache_ra_order fs mm C done 29 1d07h 70d 💬 1 [70d]
BUG: sleeping function called from invalid context in emon mm 1 87d 83d
BUG: unable to handle kernel paging request in clear_page_erms (7) mm 1 89d 85d
BUG: soft lockup in cfg80211_wext_siwfreq mm kasan 2 35d 86d
KCSAN: data-race in mem_cgroup_track_foreign_dirty_slowpath / mem_cgroup_track_foreign_dirty_slowpath (7) mm 4 18d 92d
INFO: rcu detected stall in clone (7) mm 45 9h01m 97d
general protection fault in xas_create mm bcachefs syz 2 58d 107d
WARNING: bad unlock balance in __mm_populate xfs mm C 52 106d 121d 💬 12 [108d]
KASAN: global-out-of-bounds Read in get_mem_cgroup_from_mm mm cgroups C 2 58d 122d
WARNING in get_dump_page ext4 mm C done error 5 112d 126d
BUG: unable to handle kernel paging request in shmem_undo_range mm syz 3 97d 135d
KASAN: slab-out-of-bounds Read in folio_try_get bcachefs mm C 3 117d 137d 💬 2 [137d]
INFO: task hung in rmap_walk_file mm C error 19 16d 145d
UBSAN: shift-out-of-bounds in xas_reload bcachefs mm C 4 132d 145d 💬 2 [137d]
KASAN: slab-use-after-free Read in list_lru_del mm syz done 15 4d22h 145d
INFO: rcu detected stall in sys_mkdir (9) ext4 mm syz done 2 20d 158d
INFO: rcu detected stall in task_numa_work (2) bpf mm C error error 17 31d 179d
KASAN: slab-use-after-free Read in filemap_map_pages xfs mm C inconclusive 8 34d 182d 💬 1 [182d]
INFO: task hung in hugetlbfs_zero_partial_page mm fs syz done 3 11d 193d
INFO: rcu detected stall in sys_mkdirat (2) mm 43 57d 197d
BUG: unable to handle kernel NULL pointer dereference in deactivate_slab (2) mm 9 50d 201d
WARNING in __folio_rmap_sanity_checks (2) xfs mm C inconclusive 12 41d 203d 💬 26 [37d]
BUG: unable to handle kernel paging request in memcg_rstat_updated cgroups mm 6 90d 205d
INFO: rcu detected stall in mas_preallocate (2) mm syz done 6 9d23h 205d 💬 6 [114d]
INFO: rcu detected stall in sys_umount (3) mm syz done 39 4d15h 206d
possible deadlock in balance_pgdat (2) scsi mm C 4 175d 209d 💬 1 [167d]
INFO: rcu detected stall in sys_symlinkat (5) mm syz error 61 9h28m 210d
INFO: rcu detected stall in sys_sendmmsg (7) mm tipc 74 22d 213d
KASAN: slab-use-after-free Read in folio_evictable (3) mm C 40 2d02h 218d 💬 7 [148d]
INFO: rcu detected stall in sys_mmap (3) mm C error 22 8d18h 219d
INFO: rcu detected stall in sys_setsockopt (4) mm C done inconclusive 28 3d18h 219d
BUG: corrupted list in list_lru_add mm syz 10 5d05h 222d
INFO: rcu detected stall in security_file_ioctl (9) mm 73 11d 222d
BUG: Bad page state in iomap_write_begin xfs mm C 252 11h35m 224d 💬 4 [7d02h]
kernel BUG in resv_map_release (3) mm C 18 1d15h 232d 💬 1 [232d]
INFO: rcu detected stall in sys_pipe2 (2) mm syz done 95 12d 234d
KCSAN: data-race in folios_put_refs / need_mlock_drain (2) mm 21 1d18h 240d
WARNING: locking bug in __set_page_owner mm C error inconclusive 179425 149d 240d 💬 2 [147d]
INFO: rcu detected stall in brk (2) mm syz 2 181d 244d 💬 8 [243d]
INFO: rcu detected stall in kthreadd (2) mm C unreliable 75 3d10h 245d
WARNING in get_taint (2) mm C 363 218d 249d
INFO: rcu detected stall in sys_readlink (5) mm fs syz done 31 7d19h 257d
INFO: rcu detected stall in seq_read_iter (2) mm C inconclusive error 8 129d 259d 💬 1 [258d]
WARNING: ODEBUG bug in __folio_put (2) usb mm syz 27 79d 260d
INFO: rcu detected stall in vma_link_file mm input usb syz 1 265d 261d 💬 6 [259d]
INFO: rcu detected stall in sys_mprotect (8) mm syz done 74 2d02h 264d
WARNING in vms_complete_munmap_vmas mm C 2396 21d 266d 💬 1 [19d]
WARNING in page_counter_cancel (5) mm C 15 47d 271d 💬 1 [269d]
INFO: rcu detected stall in kjournald2 (2) mm C error error 72 9d21h 272d
INFO: rcu detected stall in vhci_release mm syz done done 12 60d 277d
INFO: rcu detected stall in shmem_fault (6) mm C 120 2d02h 286d PATCH [268d]
INFO: rcu detected stall in sys_execve (6) mm syz done 51 13d 288d
INFO: rcu detected stall in x64_sys_call mm syz error 311 1d07h 295d
BUG: corrupted list in add_to_unbuddied mm syz 43 102d 296d 💬 4 [257d]
KMSAN: uninit-value in sw842_compress mm C 65 10d 297d 💬 3 [230d]
INFO: task hung in hugetlb_fault mm C done 65 14d 298d 💬 2 [263d]
kernel BUG in z3fold_page_migrate mm syz 354 96d 301d
INFO: task hung in page_cache_ra_unbounded (2) mm fs C done 3640 3d12h 303d 💬 1 [19d]
INFO: task hung in hugetlb_wp mm C done inconclusive 94 129d 320d
INFO: rcu detected stall in kcov_close mm 115 15d 324d
kernel panic: System is deadlocked on memory (2) mm 41 4d06h 324d
INFO: rcu detected stall in vm_mmap_pgoff mm 90 4d03h 325d PATCH [268d]
INFO: task hung in filemap_fault (6) mm 192 68d 358d
BUG: unable to handle kernel paging request in free_unref_page mm syz 2 173d 396d
possible deadlock in __mmap_lock_do_trace_acquire_returned (2) mm C error inconclusive 621 338d 401d
WARNING in shmem_evict_inode (3) mm 42 5d02h 403d
INFO: rcu detected stall in sys_sendto (7) mm C error 276 1d10h 406d
BUG: Bad rss-counter state (5) bcachefs mm C done 2364 10d 415d 💬 3 [19d]
INFO: rcu detected stall in validate_mm (3) mm C error 35 27d 416d 💬 5 [358d]
possible deadlock in gup_fast_fallback ntfs3 mm C done 2441 4h51m 437d 💬 1 [19d]
inconsistent lock state in __mmap_lock_do_trace_acquire_returned mm C error inconclusive 498 347d 454d 💬 2 [334d]
INFO: rcu detected stall in sys_clone (8) mm C error 275 1d04h 460d 💬 10 [7d02h]
INFO: rcu detected stall in asm_exc_page_fault mm syz error error 4 90d 480d 💬 3 [334d]
WARNING in kunmap_local_indexed mm C 2018 19h20m 492d
INFO: rcu detected stall in sys_syslog (2) mm C error 39 16d 497d
BUG: soft lockup in pipe_read fs mm syz 5 147d 524d
INFO: task hung in _vm_unmap_aliases (3) mm C 568 1d17h 539d
INFO: rcu detected stall in dput (8) mm C done 389 16h47m 548d
INFO: rcu detected stall in sys_socket (10) mm C done 124 7d23h 580d 💬 6 [575d]
BUG: spinlock recursion in try_to_wake_up mm crypto C 9 314d 596d
INFO: rcu detected stall in sys_unshare (9) mm C inconclusive done 45 2d01h 599d 💬 1 [113d]
INFO: rcu detected stall in worker_thread (9) mm netfilter C done 3771 3h17m 633d PATCH [627d]
BUG: unable to handle kernel NULL pointer dereference in __kmap_local_page_prot mm C 138 356d 636d
kernel BUG in filemap_unaccount_folio mm C done error 394 13m 664d 💬 4 [210d]
INFO: rcu detected stall in sys_openat (3) mm C error 413 2d21h 668d
INFO: rcu detected stall in sys_unlink (3) mm tomoyo C error 186 17d 688d
KCSAN: data-race in generic_fillattr / shmem_mknod (2) mm syz 760 226d 800d 💬 21 [240d]
KCSAN: data-race in __filemap_remove_folio / folio_mapping (2) mm 590 1d02h 800d 💬 6 [19d]
possible deadlock in filemap_fault mm C done 2851 now 971d 💬 4 [19d]
INFO: rcu detected stall in sys_newfstatat (4) mm C error 427 4d13h 981d 💬 1 [323d]
memory leak in xas_create mm C 15 559d 1089d 💬 9 [595d]
WARNING in ext4_dirty_folio mm C inconclusive done 25824 2d08h 1194d 💬 2 [19d]
INFO: task hung in do_read_cache_folio mm block kasan C error error 179 739d 1241d 💬 3 [727d]
INFO: task can't die in wait_on_page_bit_common mm fs C done 5 1416d 1768d
KASAN: use-after-free Read in corrupted (4) mm C done error 14 133d 1786d 💬 2 [1127d]
INFO: task hung in do_read_cache_page (3) fs mm C done inconclusive 88 1085d 1983d 💬 2 [1877d]
moderation (57):
Title Repro Cause bisect Fix bisect Count Last Reported Discussions
KCSAN: data-race in getrusage / try_to_unmap_one (3) mm 1 3d19h 3d19h
KCSAN: data-race in __filemap_add_folio / invalidate_bdev (9) fs mm 1 7d13h 7d13h
KCSAN: data-race in __wb_update_bandwidth / percpu_counter_add_batch (10) mm fs 1 10d 10d
BUG: unable to handle kernel paging request in handle_softirqs (2) mm 1 15d 11d
WARNING: kernel/workqueue.c:LINE at __queue_work, CPU: syz.NUM.NUM/NUM mm 1 15d 11d
KCSAN: data-race in __mmput / copy_mm mm 1 14d 14d
KCSAN: data-race in copy_mm / dup_mmap mm 1 17d 17d
KCSAN: data-race in _copy_to_iter / copy_folio_from_iter_atomic mm 1 20d 20d
kernel panic: stack is corrupted in shmem_undo_range mm 1 28d 24d
KCSAN: data-race in __xa_clear_mark / file_write_and_wait_range (3) fs mm 1 34d 34d
general protection fault in asm_sysvec_reschedule_ipi mm fs 1 38d 34d
KCSAN: data-race in __writeback_single_inode / xas_clear_mark (7) fs mm 5 7d20h 38d
KCSAN: data-race in filemap_write_and_wait_range / xas_clear_mark (2) fs mm 3 18d 41d
KCSAN: data-race in getrusage / try_to_migrate_one (2) mm 1 42d 42d
KCSAN: data-race in __percpu_counter_init_many / copy_mm ext4 mm 4 11d 43d
KCSAN: data-race in try_to_unmap_one / try_to_unmap_one (3) mm 2 13d 52d
KCSAN: data-race in copy_mm / try_to_unmap_one mm 1 52d 52d
KMSAN: uninit-value in __folio_cancel_dirty fs mm 1 59d 55d
KCSAN: data-race in mlock_folio / need_mlock_drain (7) mm 3 16d 59d
BUG: soft lockup in dev_ioctl (2) mm 4 22h31m 61d
upstream test error: KCSAN: data-race in __xa_clear_mark / xas_find_marked (3) fs mm 3 4d05h 63d
KCSAN: data-race in mas_replace_node / mas_state_walk (2) mm 16 3d02h 64d
general protection fault in lru_gen_test_recent mm 2 52d 64d
KCSAN: data-race in do_sync_mmap_readahead / do_sync_mmap_readahead (8) mm ext4 2 20d 65d
KCSAN: data-race in mas_state_walk / mas_wr_store_entry mm 32 23h19m 66d
KCSAN: data-race in mas_state_walk / mas_wmb_replace (3) mm 67 8h13m 67d
KCSAN: data-race in call_rcu / mas_state_walk (2) mm 71 1d18h 68d
possible deadlock in page_cache_ra_unbounded (2) mm fs 3 13h43m 76d
kernel BUG in folio_clear_dirty_for_io fs mm 2 82d 78d
KCSAN: data-race in __anon_vma_prepare / handle_mm_fault (5) mm 3 39d 78d
KCSAN: data-race in exec_mmap / vms_clear_ptes (3) mm 3 32d 79d
general protection fault in workingset_refault (2) mm 1 89d 85d
KCSAN: data-race in __xa_set_mark / filemap_write_and_wait_range mm fs 3 42d 91d
KCSAN: data-race in _copy_from_iter / _copy_from_iter (5) mm 19 14h44m 93d
KCSAN: data-race in file_write_and_wait_range / xas_clear_mark (2) fs mm 2 54d 100d
KCSAN: data-race in xas_find_marked / xas_init_marks (5) mm 6 12d 104d
KCSAN: data-race in filemap_write_and_wait_range / xas_set_mark (2) fs mm 91 12d 147d
KCSAN: data-race in fill_mg_cmtime / shmem_symlink mm 63 6d03h 222d
KCSAN: data-race in fill_mg_cmtime / shmem_mknod mm 258 3h39m 224d
KCSAN: data-race in fill_mg_cmtime / shmem_unlink mm 67 5d13h 224d
KCSAN: data-race in file_write_and_wait_range / xas_set_mark (2) fs mm 472 3d03h 225d
KCSAN: data-race in shmem_fallocate / shmem_fault (9) mm 51 6d19h 258d
KCSAN: data-race in __delete_from_swap_cache / folio_mapping (5) mm 43 1d01h 261d
KCSAN: data-race in getrusage / vms_clear_ptes mm 158 2d05h 282d 💬 1 [109d]
KCSAN: data-race in shmem_add_to_page_cache / shmem_getattr (5) mm 110 22h42m 362d
KCSAN: data-race in shmem_getattr / shmem_recalc_inode mm 101 1d18h 362d
KCSAN: data-race in __filemap_remove_folio / nr_blockdev_pages (5) mm 83 5h15m 364d
KCSAN: data-race in __writeback_single_inode / xas_set_mark (6) fs mm 505 4d23h 421d
KCSAN: data-race in mlock_new_folio / need_mlock_drain (3) mm 65 49d 447d
KCSAN: data-race in __lru_add_drain_all / folios_put_refs mm 132 4d16h 450d
KCSAN: data-race in shmem_file_splice_read / shmem_file_splice_read mm 1563 9h59m 571d
KCSAN: data-race in __lru_add_drain_all / folio_add_lru mm 1382 11h07m 1295d
KCSAN: data-race in __xa_clear_mark / xas_find_marked (2) mm fs 4683 12h13m 1466d
KCSAN: data-race in __xa_set_mark / xas_find_marked fs mm 1526 4d18h 1741d
KCSAN: data-race in xas_clear_mark / xas_find_marked (2) fs mm 4081 3d05h 2030d
KCSAN: data-race in xas_find_marked / xas_set_mark mm fs 2045 14h33m 2036d
corrupted report (2) mm 937707 now 2639d