syzbot

 sign-in | mailing list | source | docs
🐞 Open [1583]
≡ Subsystems
🐞 Fixed [6390]
🐞 Invalid [16268]
⬇ Missing Backports [197]
≡ 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
general protection fault in mas_start mm 2 C error 1 2d00h 18h04m 💬 1 [9h22m]
possible deadlock in lock_next_vma mm 4 C 4 18h36m 3d05h 💬 3 [1h38m]
INFO: rcu detected stall in wb_workfn (4) mm 1 30 7d21h 3d21h
WARNING: lock held when returning to user space in lock_next_vma mm 4 C done 2 2d02h 6d17h 💬 11 [4d05h]
stack segment fault in mtree_range_walk mm 2 C done 6 1d15h 6d17h 💬 1 [6d11h]
WARNING in move_to_new_folio (2) mm -1 C 166 35m 6d17h 💬 1 [6d17h]
WARNING in path_noexec mm fs -1 C done 4824 now 8d00h PATCH [7d03h]
WARNING in xfs_init_fs_context mm -1 5 11h15m 15d 💬 8 [7d01h]
INFO: rcu detected stall in exit_to_user_mode_loop mm 1 syz 60 20h52m 23d
WARNING: bad unlock balance in move_pgt_entry mm 4 C done 8 28d 28d 💬 1 [27d]
possible deadlock in upgrade_mmap_lock_carefully (2) ntfs3 mm 4 C error 6 19d 36d PATCH [5d20h]
INFO: rcu detected stall in sys_unlinkat (3) mm 1 31 13d 38d
BUG: soft lockup in sys_sendmsg (2) scsi mm block 1 8 11d 40d
KASAN: slab-use-after-free Read in __list_lru_walk_one (2) mm 19 1 48d 42d
WARNING: bad unlock balance in copy_process mm 4 3 29d 45d
INFO: rcu detected stall in vm_area_alloc (6) mm 1 syz error 3 22d 46d
possible deadlock in __vma_start_write mm 4 1 50d 46d 💬 10 [40d]
BUG: unable to handle kernel paging request in percpu_ref_get_many (2) cgroups mm 8 23 6d07h 51d 💬 1 [16d]
INFO: rcu detected stall in vms_gather_munmap_vmas mm 1 syz error 36 2d19h 61d
INFO: rcu detected stall in ext4_end_io_rsv_work (3) ext4 mm 1 C error 2 37d 64d
INFO: rcu detected stall in wg_packet_handshake_receive_worker (3) wireguard mm 1 syz error 6 26d 71d
INFO: rcu detected stall in nsim_fib_event_work mm 1 C error 3 20d 74d
BUG: Bad page state in page_cache_ra_order mm -1 C 18 3d21h 74d
KCSAN: data-race in copy_mm / copy_page_range mm 6 3 23d 78d
INFO: task hung in exit_mmap (2) mm 1 C done error 10 1d04h 81d
kernel BUG in __filemap_add_folio fs mm -1 C done 123 1h04m 81d
BUG: soft lockup in sys_bpf mm 1 18 1d19h 83d
INFO: task hung in page_cache_ra_order fs mm 1 C done 33 1d02h 83d 💬 1 [83d]
BUG: soft lockup in cfg80211_wext_siwfreq mm kasan 1 2 48d 98d
KCSAN: data-race in mem_cgroup_track_foreign_dirty_slowpath / mem_cgroup_track_foreign_dirty_slowpath (7) mm 6 4 31d 105d
INFO: rcu detected stall in clone (7) mm 1 47 2d13h 110d
general protection fault in xas_create bcachefs mm 2 syz 2 71d 120d
WARNING: bad unlock balance in __mm_populate xfs mm 4 C 52 119d 134d 💬 12 [121d]
KASAN: global-out-of-bounds Read in get_mem_cgroup_from_mm mm cgroups 17 C 2 71d 134d
WARNING in get_dump_page ext4 mm -1 C done error 5 125d 139d
KASAN: slab-out-of-bounds Read in folio_try_get bcachefs mm 17 C 3 130d 150d 💬 2 [150d]
INFO: task hung in rmap_walk_file mm 1 C error 19 28d 158d
UBSAN: shift-out-of-bounds in xas_reload bcachefs mm -1 C 4 144d 158d 💬 2 [149d]
KASAN: slab-use-after-free Read in list_lru_del mm 19 syz done 16 12d 158d
INFO: rcu detected stall in sys_mkdir (9) ext4 mm 1 syz done 2 33d 171d
INFO: rcu detected stall in task_numa_work (2) bpf mm 1 C error error 17 44d 192d
KASAN: slab-use-after-free Read in filemap_map_pages xfs mm 19 C inconclusive 8 47d 195d 💬 1 [195d]
INFO: task hung in hugetlbfs_zero_partial_page mm fs 1 syz done 3 24d 205d
INFO: rcu detected stall in sys_mkdirat (2) mm 1 44 9d14h 210d
BUG: unable to handle kernel NULL pointer dereference in deactivate_slab (2) mm 10 9 63d 214d
WARNING in __folio_rmap_sanity_checks (2) xfs mm -1 C inconclusive 13 11d 216d 💬 26 [50d]
INFO: rcu detected stall in mas_preallocate (2) mm 1 syz done 7 8d14h 218d 💬 6 [127d]
INFO: rcu detected stall in sys_umount (3) mm 1 syz done 39 17d 219d
possible deadlock in balance_pgdat (2) scsi mm 4 C 4 188d 222d 💬 1 [179d]
INFO: rcu detected stall in sys_symlinkat (5) mm 1 syz error 65 17h14m 223d
INFO: rcu detected stall in sys_sendmmsg (7) mm tipc 1 77 1d11h 226d
KASAN: slab-use-after-free Read in folio_evictable (3) gfs2 mm 19 C 44 2d04h 231d 💬 7 [1d03h]
INFO: rcu detected stall in sys_mmap (3) mm 1 C error 23 3d07h 231d
INFO: rcu detected stall in sys_setsockopt (4) mm 1 C done inconclusive 30 2d20h 232d
BUG: corrupted list in list_lru_add mm 19 syz 13 3d16h 234d
INFO: rcu detected stall in security_file_ioctl (9) tomoyo mm 1 75 6d21h 235d
BUG: Bad page state in iomap_write_begin xfs mm -1 C 266 22h18m 237d 💬 4 [19d]
kernel BUG in resv_map_release (3) mm -1 C 18 9h35m 245d 💬 1 [244d]
INFO: rcu detected stall in sys_pipe2 (2) mm 1 syz done 96 5d03h 246d
KCSAN: data-race in folios_put_refs / need_mlock_drain (2) mm 6 22 2d23h 252d
INFO: rcu detected stall in brk (2) mm 1 syz 2 194d 256d 💬 8 [255d]
INFO: rcu detected stall in kthreadd (2) mm 1 C unreliable 75 16d 258d
WARNING in get_taint (2) mm -1 C 363 231d 262d
INFO: rcu detected stall in sys_readlink (5) mm fs 1 syz done 31 20d 269d
INFO: rcu detected stall in seq_read_iter (2) mm 1 C inconclusive error 8 142d 271d 💬 1 [270d]
WARNING: ODEBUG bug in __folio_put (2) usb mm -1 syz 27 92d 272d
INFO: rcu detected stall in vma_link_file mm usb input 1 syz 1 277d 273d 💬 6 [272d]
INFO: rcu detected stall in sys_mprotect (8) mm 1 syz done 76 1d16h 277d
WARNING in vms_complete_munmap_vmas mm -1 C 2396 34d 279d 💬 1 [31d]
WARNING in page_counter_cancel (5) mm -1 C 15 60d 283d 💬 1 [282d]
INFO: rcu detected stall in kjournald2 (2) mm 1 C error error 73 1h05m 285d
INFO: rcu detected stall in vhci_release mm 1 syz done done 12 72d 289d
INFO: rcu detected stall in shmem_fault (6) mm 1 C 124 2d11h 298d PATCH [280d]
INFO: rcu detected stall in sys_execve (6) mm 1 syz done 52 8d07h 300d
INFO: rcu detected stall in x64_sys_call mm 1 syz error 321 1d01h 308d
BUG: corrupted list in add_to_unbuddied mm 8 syz 43 115d 309d 💬 4 [270d]
KMSAN: uninit-value in sw842_compress mm 7 C 65 23d 310d 💬 3 [242d]
INFO: task hung in hugetlb_fault mm 1 C done 65 27d 311d 💬 2 [276d]
kernel BUG in z3fold_page_migrate mm -1 syz 354 108d 314d
INFO: task hung in page_cache_ra_unbounded (2) mm fs 1 C done 3641 7d23h 316d 💬 1 [1d03h]
INFO: task hung in hugetlb_wp mm 1 C done inconclusive 94 141d 333d
INFO: rcu detected stall in kcov_close mm 1 118 1h35m 336d
kernel panic: System is deadlocked on memory (2) mm 2 46 8d13h 337d
INFO: rcu detected stall in vm_mmap_pgoff mm 1 92 6d19h 338d PATCH [280d]
BUG: unable to handle kernel paging request in free_unref_page mm 8 syz 2 186d 408d
possible deadlock in __mmap_lock_do_trace_acquire_returned (2) mm 4 C error inconclusive 621 350d 414d
WARNING in shmem_evict_inode (3) mm -1 43 10d 416d
INFO: rcu detected stall in sys_sendto (7) mm net 1 C error 278 2d13h 419d
BUG: Bad rss-counter state (5) bcachefs mm -1 C done 2365 2d03h 428d 💬 3 [1d03h]
INFO: rcu detected stall in validate_mm (3) mm 1 C error 35 3d12h 429d 💬 5 [371d]
possible deadlock in gup_fast_fallback ntfs3 mm 4 C done 2559 3h19m 450d 💬 1 [1d03h]
inconsistent lock state in __mmap_lock_do_trace_acquire_returned mm 4 C error inconclusive 498 360d 467d 💬 2 [346d]
INFO: rcu detected stall in sys_clone (8) mm 1 C error 281 1d03h 473d 💬 10 [19d]
INFO: rcu detected stall in asm_exc_page_fault mm 1 syz error error 4 103d 492d 💬 3 [347d]
WARNING in kunmap_local_indexed mm -1 C 2153 14h35m 504d
INFO: rcu detected stall in sys_syslog (2) mm 1 C error 39 29d 510d
BUG: soft lockup in pipe_read fs mm 1 syz 5 160d 537d
INFO: task hung in _vm_unmap_aliases (3) mm 1 C 570 3d18h 552d
INFO: rcu detected stall in dput (8) mm 1 C done 406 15h20m 561d
INFO: rcu detected stall in sys_socket (10) mm 1 C done 127 23h15m 592d 💬 6 [588d]
BUG: spinlock recursion in try_to_wake_up mm crypto 4 C 9 327d 609d
INFO: rcu detected stall in sys_unshare (9) mm 1 C inconclusive done 45 14d 612d 💬 1 [125d]
INFO: rcu detected stall in worker_thread (9) mm netfilter 1 C done 3838 58m 646d PATCH [640d]
BUG: unable to handle kernel NULL pointer dereference in __kmap_local_page_prot mm 10 C 138 369d 649d PATCH [2h54m]
kernel BUG in filemap_unaccount_folio mm -1 C done error 399 6h31m 677d 💬 4 [222d]
INFO: rcu detected stall in sys_openat (3) mm 1 C error 418 4h17m 681d
INFO: rcu detected stall in sys_unlink (3) mm tomoyo 1 C error 187 11d 701d
KCSAN: data-race in generic_fillattr / shmem_mknod (2) mm 6 syz 760 238d 813d 💬 21 [252d]
KCSAN: data-race in __filemap_remove_folio / folio_mapping (2) mm 6 608 40m 813d 💬 6 [1d03h]
possible deadlock in filemap_fault mm 4 C done 2884 1h23m 984d 💬 4 [1d03h]
INFO: rcu detected stall in sys_newfstatat (4) mm 1 C error 430 8d06h 994d 💬 1 [335d]
memory leak in xas_create mm 3 C 15 572d 1102d 💬 9 [608d]
WARNING in ext4_dirty_folio mm -1 C inconclusive done 25826 4d22h 1206d 💬 2 [1d03h]
INFO: task hung in do_read_cache_folio mm block kasan 1 C error error 179 752d 1254d 💬 3 [739d]
INFO: task can't die in wait_on_page_bit_common mm fs 1 C done 5 1428d 1781d
KASAN: use-after-free Read in corrupted (4) mm 19 C done error 14 146d 1798d 💬 2 [1139d]
INFO: task hung in do_read_cache_page (3) fs mm 1 C done inconclusive 88 1098d 1996d 💬 2 [1890d]
moderation (57):
Title Rank 🛈 Repro Cause bisect Fix bisect Count Last Reported Discussions
KCSAN: data-race in munlock_folio / need_mlock_drain (7) mm 6 1 2d21h 2d21h
KCSAN: data-race in copy_mm / vms_complete_munmap_vmas mm 6 1 4d05h 4d05h
KCSAN: data-race in copy_mm / vma_complete mm 6 1 5d03h 5d03h
KCSAN: data-race in getrusage / try_to_unmap_one (3) mm 6 1 16d 16d
KCSAN: data-race in __filemap_add_folio / invalidate_bdev (9) fs mm 6 1 20d 20d
KCSAN: data-race in __wb_update_bandwidth / percpu_counter_add_batch (10) mm fs 6 2 1d12h 22d
BUG: unable to handle kernel paging request in handle_softirqs (2) mm 8 2 8d05h 24d
WARNING: kernel/workqueue.c:LINE at __queue_work, CPU: syz.NUM.NUM/NUM mm -1 1 28d 24d
KCSAN: data-race in __mmput / copy_mm mm 6 1 27d 27d
KCSAN: data-race in copy_mm / dup_mmap mm 6 1 30d 30d
KCSAN: data-race in copy_process / memcpy_and_pad mm 6 1 33d 33d
KCSAN: data-race in _copy_to_iter / copy_folio_from_iter_atomic mm 6 1 33d 33d
kernel panic: stack is corrupted in shmem_undo_range mm 2 1 41d 37d
KCSAN: data-race in __xa_clear_mark / file_write_and_wait_range (3) fs mm 6 1 47d 47d
general protection fault in asm_sysvec_reschedule_ipi mm fs 2 1 51d 47d
KCSAN: data-race in __writeback_single_inode / xas_clear_mark (7) fs mm 6 5 20d 51d
KCSAN: data-race in filemap_write_and_wait_range / xas_clear_mark (2) fs mm 6 3 31d 54d
KCSAN: data-race in getrusage / try_to_migrate_one (2) mm 6 1 55d 55d
KCSAN: data-race in __percpu_counter_init_many / copy_mm ext4 mm 6 4 23d 56d
KCSAN: data-race in try_to_unmap_one / try_to_unmap_one (3) mm 6 2 25d 64d
KMSAN: uninit-value in __folio_cancel_dirty mm fs 7 1 72d 68d
KCSAN: data-race in mlock_folio / need_mlock_drain (7) mm 6 3 29d 72d
BUG: soft lockup in dev_ioctl (2) mm 1 4 13d 73d
upstream test error: KCSAN: data-race in __xa_clear_mark / xas_find_marked (3) fs mm -1 3 16d 76d
KCSAN: data-race in mas_replace_node / mas_state_walk (2) mm 6 20 2d02h 76d
general protection fault in lru_gen_test_recent mm 2 2 65d 77d
KCSAN: data-race in do_sync_mmap_readahead / do_sync_mmap_readahead (8) mm ext4 6 3 9d17h 78d
KCSAN: data-race in mas_state_walk / mas_wr_store_entry mm 6 38 2d01h 79d
KCSAN: data-race in mas_state_walk / mas_wmb_replace (3) mm 6 78 1h50m 80d
KCSAN: data-race in call_rcu / mas_state_walk (2) mm 6 84 2d11h 80d
possible deadlock in page_cache_ra_unbounded (2) fs mm 4 3 13d 88d
KCSAN: data-race in __anon_vma_prepare / handle_mm_fault (5) mm 6 4 1d14h 91d
KCSAN: data-race in exec_mmap / vms_clear_ptes (3) mm 6 3 45d 92d
KCSAN: data-race in __xa_set_mark / filemap_write_and_wait_range mm fs 6 3 55d 104d
KCSAN: data-race in _copy_from_iter / _copy_from_iter (5) mm 6 24 3d17h 105d
KCSAN: data-race in xas_find_marked / xas_init_marks (5) mm 6 7 10d 117d
KCSAN: data-race in filemap_write_and_wait_range / xas_set_mark (2) fs mm 6 93 9h19m 160d
KCSAN: data-race in fill_mg_cmtime / shmem_symlink mm 6 67 2d09h 235d
KCSAN: data-race in fill_mg_cmtime / shmem_mknod mm 6 265 2h21m 237d
KCSAN: data-race in fill_mg_cmtime / shmem_unlink mm 6 68 11h56m 237d
KCSAN: data-race in file_write_and_wait_range / xas_set_mark (2) fs mm 6 484 1d13h 238d
KCSAN: data-race in shmem_fallocate / shmem_fault (9) mm 6 54 1d05h 271d
KCSAN: data-race in __delete_from_swap_cache / folio_mapping (5) mm 6 45 2d01h 274d
KCSAN: data-race in getrusage / vms_clear_ptes mm 6 164 3d14h 295d 💬 1 [121d]
KCSAN: data-race in shmem_add_to_page_cache / shmem_getattr (5) mm 6 116 8h43m 374d
KCSAN: data-race in shmem_getattr / shmem_recalc_inode mm 6 106 1d09h 375d
KCSAN: data-race in __filemap_remove_folio / nr_blockdev_pages (5) mm 6 85 21h27m 377d
KCSAN: data-race in __writeback_single_inode / xas_set_mark (6) fs mm 6 513 1d08h 434d
KCSAN: data-race in mlock_new_folio / need_mlock_drain (3) mm 6 66 7d01h 460d
KCSAN: data-race in __lru_add_drain_all / folios_put_refs mm 6 137 1d02h 463d
KCSAN: data-race in shmem_file_splice_read / shmem_file_splice_read mm 6 1611 6h25m 584d
KCSAN: data-race in __lru_add_drain_all / folio_add_lru mm 6 1400 5h51m 1308d
KCSAN: data-race in __xa_clear_mark / xas_find_marked (2) mm fs 6 4710 5h45m 1479d
KCSAN: data-race in __xa_set_mark / xas_find_marked fs mm 6 1526 17d 1754d
KCSAN: data-race in xas_clear_mark / xas_find_marked (2) fs mm 6 4085 5d19h 2043d
KCSAN: data-race in xas_find_marked / xas_set_mark mm fs 6 2060 9h18m 2049d
corrupted report (2) mm -1 946335 5m 2652d