syzbot

 sign-in | mailing list | source | docs
🐞 Open [1610]
≡ Subsystems
🐞 Fixed [6290]
🐞 Invalid [16022]
⬇ Missing Backports [190]
≡ Crashes
Kernel Health Bugs/Month Bug Lifetimes Fuzzing
Total Repo Heatmap Subsystems Heatmap
💬 Send us feedback

Applied filters: Label=subsystems:mm (drop)
open (125):
Title Repro Cause bisect Fix bisect Count Last Reported Discussions
possible deadlock in upgrade_mmap_lock_carefully (2) mm ntfs3 C error 5 10d 7d10h 💬 1 [6d06h]
INFO: rcu detected stall in sys_unlinkat (3) mm 30 13d 9d11h
kernel BUG in try_to_unmap_one (2) mm C 7 2h42m 10d PATCH [4d11h]
BUG: soft lockup in sys_sendmsg (2) scsi mm block 6 10d 10d
kernel BUG in sanity_check_pinned_pages mm 1 12d 12d 💬 4 [12d]
KASAN: slab-use-after-free Read in __list_lru_walk_one (2) mm 1 18d 12d
possible deadlock in __vma_start_write mm 1 21d 17d 💬 10 [10d]
BUG: unable to handle kernel paging request in percpu_ref_get_many (2) cgroups mm 15 10d 22d 💬 1 [21d]
INFO: rcu detected stall in vms_gather_munmap_vmas mm 33 6d17h 32d
INFO: rcu detected stall in ext4_end_io_rsv_work (3) mm ext4 C error 2 8d12h 34d
KCSAN: data-race in copy_fs / free_bprm mm fs 1 39d 39d
KCSAN: data-race in copy_page_from_iter_atomic / pagecache_isize_extended ext4 mm 2 36d 40d 💬 4 [33d]
INFO: rcu detected stall in wg_packet_handshake_receive_worker (3) wireguard mm syz error 5 27d 42d
INFO: rcu detected stall in nsim_fib_event_work mm C error 3 21d 45d
BUG: Bad page state in page_cache_ra_order mm C 7 2d09h 45d
INFO: task hung in exit_mmap (2) mm C done error 6 32d 51d
kernel BUG in __filemap_add_folio mm fs C done 14 14d 52d
BUG: soft lockup in sys_bpf mm 13 3d16h 53d
INFO: task hung in page_cache_ra_order fs mm C done 24 5d03h 54d 💬 1 [53d]
INFO: rcu detected stall in rtnl_newlink (5) mm batman syz error 98 6d06h 62d
BUG: sleeping function called from invalid context in emon mm 1 71d 67d
BUG: unable to handle kernel paging request in clear_page_erms (7) mm 1 72d 68d
BUG: soft lockup in cfg80211_wext_siwfreq kasan mm 2 19d 69d
KCSAN: data-race in getrusage / try_to_unmap_one (2) mm 6 44d 73d
KCSAN: data-race in mem_cgroup_track_foreign_dirty_slowpath / mem_cgroup_track_foreign_dirty_slowpath (7) mm fs 4 2d02h 75d
INFO: rcu detected stall in clone (7) mm 43 37d 80d
KASAN: slab-use-after-free Read in __mm_populate mm 1 91d 87d
UBSAN: shift-out-of-bounds in shmem_undo_range mm bcachefs syz 1 95d 91d
general protection fault in xas_create mm bcachefs syz 2 42d 91d
WARNING: bad unlock balance in __mm_populate xfs mm C 52 90d 105d 💬 12 [91d]
KASAN: global-out-of-bounds Read in get_mem_cgroup_from_mm cgroups mm C 2 41d 105d
WARNING in get_dump_page ext4 mm C done error 5 96d 109d
BUG: unable to handle kernel paging request in shmem_undo_range mm syz 3 81d 118d
KASAN: slab-out-of-bounds Read in folio_try_get bcachefs mm C 3 101d 121d 💬 2 [121d]
INFO: task hung in rmap_walk_file mm C error 19 30d 128d
UBSAN: shift-out-of-bounds in xas_reload bcachefs mm C 4 115d 129d 💬 2 [120d]
KASAN: slab-use-after-free Read in list_lru_del mm syz done 13 15d 129d
UBSAN: shift-out-of-bounds in xas_create bcachefs mm C 5 97d 131d 💬 2 [121d]
INFO: rcu detected stall in sys_mkdir (9) mm ext4 syz done 2 3d22h 141d
kernel BUG in alloc_hugetlb_folio_reserve mm C done 95 4d23h 162d PATCH [25d]
INFO: rcu detected stall in task_numa_work (2) bpf mm C error error 17 14d 162d
KASAN: slab-use-after-free Read in filemap_map_pages xfs mm C inconclusive 8 17d 165d 💬 1 [165d]
possible deadlock in move_pages (2) mm C done 508 153d 175d
INFO: task hung in hugetlbfs_zero_partial_page mm fs syz done 3 25d 176d
INFO: rcu detected stall in sys_mkdirat (2) mm 43 41d 181d
BUG: unable to handle kernel NULL pointer dereference in deactivate_slab (2) mm 9 33d 184d
WARNING in __folio_rmap_sanity_checks (2) xfs mm C inconclusive 12 24d 186d 💬 26 [20d]
BUG: unable to handle kernel paging request in memcg_rstat_updated cgroups mm 6 74d 188d
INFO: rcu detected stall in mas_preallocate (2) mm syz done 6 25d 188d 💬 6 [97d]
INFO: rcu detected stall in sys_umount (3) mm syz done 38 1d09h 189d
possible deadlock in balance_pgdat (2) scsi mm C 4 159d 193d 💬 1 [150d]
INFO: rcu detected stall in sys_symlinkat (5) mm tomoyo syz error 58 5d21h 193d
INFO: rcu detected stall in sys_sendmmsg (7) tipc mm 74 6d07h 197d
KASAN: slab-use-after-free Read in folio_evictable (3) mm C 35 10d 201d 💬 7 [131d]
INFO: rcu detected stall in sys_mmap (3) mm C error 22 24d 202d
INFO: rcu detected stall in sys_setsockopt (4) mm C done inconclusive 26 19d 202d
BUG: corrupted list in list_lru_add mm syz 9 1d17h 205d
INFO: rcu detected stall in security_file_ioctl (9) mm 71 10d 206d
BUG: Bad page state in iomap_write_begin xfs mm C 237 4d02h 207d 💬 4 [84d]
kernel BUG in resv_map_release (3) mm C 11 3d13h 215d 💬 1 [215d]
INFO: rcu detected stall in sys_pipe2 (2) mm syz done 94 3d09h 217d
KCSAN: data-race in folios_put_refs / need_mlock_drain (2) mm 19 8d05h 223d
WARNING: locking bug in __set_page_owner mm C error inconclusive 179425 132d 224d 💬 2 [130d]
INFO: rcu detected stall in brk (2) mm syz 2 164d 227d 💬 8 [226d]
INFO: rcu detected stall in kthreadd (2) mm C unreliable 73 9d03h 228d
WARNING in get_taint (2) mm C 363 202d 233d
INFO: rcu detected stall in sys_readlink (5) mm fs syz done 30 23d 240d
INFO: rcu detected stall in seq_read_iter (2) mm C inconclusive error 8 113d 242d 💬 1 [241d]
WARNING: ODEBUG bug in __folio_put (2) usb mm syz 27 62d 243d
INFO: rcu detected stall in vma_link_file mm input usb syz 1 248d 244d 💬 6 [242d]
INFO: rcu detected stall in sys_mprotect (8) mm syz done 72 2d11h 247d
KMSAN: uninit-value in swap_writepage mm syz 25 87d 248d 💬 2 [126d]
WARNING in vms_complete_munmap_vmas mm C 2396 4d16h 250d 💬 1 [2d13h]
WARNING in page_counter_cancel (5) mm C 15 31d 254d 💬 1 [253d]
INFO: rcu detected stall in kjournald2 (2) mm C error error 71 3d03h 255d
INFO: rcu detected stall in vhci_release mm syz done done 12 43d 260d
INFO: rcu detected stall in shmem_fault (6) mm C 115 2h52m 269d PATCH [251d]
BUG: corrupted list in do_compact_page mm syz 46 81d 270d 💬 1 [255d]
INFO: rcu detected stall in sys_execve (6) mm syz done 50 10d 271d
INFO: rcu detected stall in x64_sys_call mm syz error 302 3h22m 279d
BUG: corrupted list in add_to_unbuddied mm syz 43 86d 280d 💬 4 [240d]
KMSAN: uninit-value in sw842_compress mm C 65 53d 280d 💬 3 [213d]
INFO: task hung in hugetlb_fault mm C done 65 28d 281d 💬 2 [246d]
kernel BUG in z3fold_page_migrate mm syz 354 79d 285d
INFO: task hung in page_cache_ra_unbounded (2) fs mm C done 3640 17d 287d 💬 1 [2d13h]
INFO: task hung in hugetlb_wp mm C done inconclusive 94 112d 303d
INFO: rcu detected stall in kcov_close mm 114 14d 307d
kernel panic: System is deadlocked on memory (2) mm 39 5d00h 307d
INFO: rcu detected stall in vm_mmap_pgoff mm 88 41d 308d PATCH [251d]
INFO: task hung in filemap_fault (6) mm 192 52d 341d
BUG: unable to handle kernel paging request in free_unref_page mm syz 2 157d 379d
possible deadlock in __mmap_lock_do_trace_acquire_returned (2) mm C error inconclusive 621 321d 384d
WARNING in shmem_evict_inode (3) mm 40 3d00h 387d
INFO: rcu detected stall in sys_sendto (7) mm C error 269 6d02h 390d
INFO: task hung in __lru_add_drain_all (2) mm syz error 272 56d 394d
BUG: Bad rss-counter state (5) bcachefs mm C done 2362 5d18h 398d 💬 3 [2d13h]
INFO: rcu detected stall in validate_mm (3) mm C error 35 11d 399d 💬 5 [341d]
possible deadlock in gup_fast_fallback ntfs3 mm C done 2301 1h38m 420d 💬 1 [2d13h]
inconsistent lock state in __mmap_lock_do_trace_acquire_returned mm C error inconclusive 498 331d 438d 💬 2 [317d]
INFO: rcu detected stall in sys_clone (8) mm bpf C error 265 1d12h 444d 💬 10 [52d]
INFO: rcu detected stall in asm_exc_page_fault mm syz error error 4 73d 463d 💬 3 [317d]
WARNING in kunmap_local_indexed mm C 1817 8m 475d
INFO: rcu detected stall in sys_syslog (2) mm C error 39 30d 481d
BUG: soft lockup in pipe_read fs mm syz 5 130d 507d
INFO: task hung in _vm_unmap_aliases (3) mm C 561 9h34m 523d
INFO: rcu detected stall in dput (8) mm C done 377 4h12m 532d
INFO: rcu detected stall in sys_socket (10) mm C done 123 1d01h 563d 💬 6 [558d]
BUG: spinlock recursion in try_to_wake_up mm crypto C 9 297d 580d
INFO: rcu detected stall in sys_unshare (9) mm C inconclusive done 43 3d19h 583d 💬 1 [96d]
INFO: rcu detected stall in worker_thread (9) netfilter mm C done 3688 16h55m 617d PATCH [610d]
BUG: unable to handle kernel NULL pointer dereference in __kmap_local_page_prot mm C 138 339d 620d
KASAN: slab-out-of-bounds Read in generic_perform_write hfs mm C inconclusive done 10473 73d 630d PATCH [346d]
kernel BUG in filemap_unaccount_folio mm C done error 381 4d17h 648d 💬 4 [193d]
INFO: rcu detected stall in sys_openat (3) mm C error 410 7d09h 651d
INFO: rcu detected stall in sys_unlink (3) mm C error 186 23h17m 672d
KCSAN: data-race in generic_fillattr / shmem_mknod (2) mm syz 760 209d 783d 💬 21 [223d]
KCSAN: data-race in __filemap_remove_folio / folio_mapping (2) mm 569 16h50m 783d 💬 6 [2d13h]
possible deadlock in filemap_fault mm C done 2823 3d22h 955d 💬 4 [2d13h]
INFO: rcu detected stall in sys_newfstatat (4) mm C error 424 2d03h 965d 💬 1 [306d]
memory leak in xas_create mm C 15 543d 1072d 💬 9 [578d]
WARNING in ext4_dirty_folio mm C inconclusive done 25819 2d19h 1177d 💬 2 [2d13h]
INFO: task hung in do_read_cache_folio block mm kasan C error error 179 723d 1224d 💬 3 [710d]
INFO: task can't die in wait_on_page_bit_common mm fs C done 5 1399d 1752d
KASAN: use-after-free Read in corrupted (4) mm C done error 14 116d 1769d 💬 2 [1110d]
INFO: task hung in do_read_cache_page (3) fs mm C done inconclusive 88 1069d 1966d 💬 2 [1860d]
moderation (51):
Title Repro Cause bisect Fix bisect Count Last Reported Discussions
KCSAN: data-race in copy_mm / dup_mmap mm 1 16h57m 16h56m
KCSAN: data-race in _copy_to_iter / copy_folio_from_iter_atomic mm 1 4d08h 4d08h
kernel panic: stack is corrupted in shmem_undo_range mm 1 11d 7d21h
KCSAN: data-race in __xa_clear_mark / file_write_and_wait_range (3) mm fs 1 17d 17d
general protection fault in asm_sysvec_reschedule_ipi fs mm 1 21d 17d
KCSAN: data-race in __writeback_single_inode / xas_clear_mark (7) fs mm 3 9d18h 22d
KCSAN: data-race in filemap_write_and_wait_range / xas_clear_mark (2) fs mm 3 1d19h 24d
KCSAN: data-race in getrusage / try_to_migrate_one (2) mm 1 25d 25d
KCSAN: data-race in try_to_unmap_one / try_to_unmap_one (3) mm 1 35d 35d
KCSAN: data-race in copy_mm / try_to_unmap_one mm 1 36d 36d
KMSAN: uninit-value in __folio_cancel_dirty fs mm 1 42d 38d
KCSAN: data-race in mlock_folio / need_mlock_drain (7) mm 3 7h29m 42d
BUG: soft lockup in dev_ioctl (2) bpf trace mm 3 19h12m 44d
upstream test error: KCSAN: data-race in __xa_clear_mark / xas_find_marked (3) fs mm 2 42d 46d
KCSAN: data-race in mas_replace_node / mas_state_walk (2) mm 11 2d17h 47d
general protection fault in lru_gen_test_recent mm 2 36d 47d
KCSAN: data-race in mas_state_walk / mas_wr_store_entry mm 24 1d00h 49d
KCSAN: data-race in mas_state_walk / mas_wmb_replace (3) mm 51 8h32m 51d
KCSAN: data-race in call_rcu / mas_state_walk (2) mm 59 14h19m 51d
possible deadlock in page_cache_ra_unbounded (2) mm fs 2 24d 59d
kernel BUG in folio_clear_dirty_for_io fs mm 2 65d 61d
KCSAN: data-race in __anon_vma_prepare / handle_mm_fault (5) mm 3 22d 62d
KCSAN: data-race in exec_mmap / vms_clear_ptes (3) mm 3 15d 63d
general protection fault in workingset_refault (2) mm 1 72d 68d
KCSAN: data-race in __xa_set_mark / filemap_write_and_wait_range mm fs 3 25d 75d
KCSAN: data-race in _copy_from_iter / _copy_from_iter (5) mm 15 10h04m 76d
KCSAN: data-race in __filemap_remove_folio / filemap_write_and_wait_range (4) mm iomap 23 1d08h 79d
KCSAN: data-race in file_write_and_wait_range / xas_clear_mark (2) fs mm 2 38d 83d
KCSAN: data-race in xas_find_marked / xas_init_marks (5) mm 5 18d 87d
KCSAN: data-race in filemap_write_and_wait_range / xas_set_mark (2) fs mm 84 5h02m 130d
KCSAN: data-race in munlock_folio / need_mlock_drain (6) mm 7 42d 140d
KCSAN: data-race in fill_mg_cmtime / shmem_symlink mm 61 1d06h 205d
KCSAN: data-race in fill_mg_cmtime / shmem_mknod mm 241 3d23h 207d
KCSAN: data-race in fill_mg_cmtime / shmem_unlink mm 62 5h08m 208d
KCSAN: data-race in file_write_and_wait_range / xas_set_mark (2) fs mm 459 4h09m 209d
KCSAN: data-race in shmem_fallocate / shmem_fault (9) mm 48 3d22h 241d
KCSAN: data-race in __delete_from_swap_cache / folio_mapping (5) mm 39 3d20h 245d
KCSAN: data-race in getrusage / vms_clear_ptes mm 148 13h37m 265d 💬 1 [92d]
KCSAN: data-race in shmem_add_to_page_cache / shmem_getattr (5) mm 108 5d16h 345d
KCSAN: data-race in shmem_getattr / shmem_recalc_inode mm 97 1d05h 346d
KCSAN: data-race in __filemap_remove_folio / nr_blockdev_pages (5) mm 79 8d18h 347d
KCSAN: data-race in __writeback_single_inode / xas_set_mark (6) fs mm 495 1d07h 404d
KCSAN: data-race in mlock_new_folio / need_mlock_drain (3) mm 65 32d 430d
KCSAN: data-race in __lru_add_drain_all / folios_put_refs mm 126 8d08h 434d
KCSAN: data-race in __filemap_add_folio / nr_blockdev_pages (3) mm 114 2d21h 554d
KCSAN: data-race in shmem_file_splice_read / shmem_file_splice_read mm 1502 5h03m 555d
KCSAN: data-race in __lru_add_drain_all / folio_add_lru mm 1357 5h30m 1279d
KCSAN: data-race in __xa_clear_mark / xas_find_marked (2) fs mm 4651 5h32m 1450d
KCSAN: data-race in __xa_set_mark / xas_find_marked mm fs 1523 6d16h 1724d
KCSAN: data-race in xas_clear_mark / xas_find_marked (2) mm fs 4071 21d 2014d
KCSAN: data-race in xas_find_marked / xas_set_mark mm fs 2028 4h10m 2019d