syzbot

 sign-in | mailing list | source | docs
🐞 Open [1032] ≡ Subsystems 🐞 Fixed [5263] 🐞 Invalid [12583] ⬇ Missing Backports [85] 📈 Kernel Health 📈 Bug Lifetimes 📈 Fuzzing 📈 Crashes 💬 Send us feedback

Applied filters: Label=subsystems:mm (drop)
open (50):
Title Repro Cause bisect Fix bisect Count Last Reported Discussions
kernel BUG in __vma_reservation_common mm 3 1d16h 20h02m
general protection fault in __pte_offset_map_lock mm C 12 3h43m 1d10h
WARNING in hpage_collapse_scan_pmd (2) mm io-uring syz 2 7d14h 3d15h 💬 1 [13h06m]
KMSAN: uninit-value in zswap_rb_insert mm 1 10d 6d23h 💬 1 [6d20h]
possible deadlock in __mmap_lock_do_trace_start_locking mm 1 15d 11d
possible deadlock in gup_fast_fallback mm 3 20d 16d
KASAN: slab-use-after-free Read in hugetlb_fault mm C done 5 8d19h 19d 💬 2 [18d]
INFO: rcu detected stall in __run_timer_base kasan mm C done 1 27d 23d PATCH [3d07h]
KMSAN: kernel-infoleak in bpf_probe_write_user mm C 3 10d 24d 💬 6 [18d]
general protection fault in hpage_collapse_scan_file mm C 22 28d 27d 💬 4 [19d]
BUG: bad usercopy in do_handle_open hardening mm C 446 32d 31d 💬 2 [31d]
inconsistent lock state in __mmap_lock_do_trace_acquire_returned mm C 460 7h11m 33d 💬 2 [7d16h]
WARNING: bad unlock balance in madvise_cold_or_pageout_pte_range mm C 8 32d 34d 💬 4 [32d]
WARNING in __mod_memcg_lruvec_state mm cgroups C 261 20m 34d PATCH [8h27m]
general protection fault in shmem_get_next_id mm C error 19 27d 34d 💬 5 [24d]
INFO: rcu detected stall in sys_clone (8) mm C 21 11h41m 39d
WARNING in validate_chain mm C error 19 11d 40d
kernel BUG in const_folio_flags mm 4 26d 47d 💬 4 [46d]
INFO: rcu detected stall in asm_exc_page_fault mm input usb syz 1 62d 58d 💬 3 [56d]
WARNING in try_to_migrate_one (2) mm C 5 11d 58d 💬 2 [21d]
WARNING in try_to_unmap_one mm 2 26d 63d
WARNING in kunmap_local_indexed mm C 162 53m 70d
possible deadlock in lock_vma mm C done 18 83d 80d
WARNING in move_pages mm C done 8 83d 80d
BUG: unable to handle kernel paging request in bpf_probe_read_kernel_str mm C done 4 73d 89d
kernel BUG in validate_mm (3) mm C error 3 98d 98d 💬 2 [97d]
BUG: unable to handle kernel paging request in bpf_probe_read_compat_str mm C done 4 76d 101d 💬 1 [94d]
INFO: rcu detected stall in dput (8) mm C done 18 15h49m 127d
kernel BUG in add_to_swap mm 6 78d 139d 💬 1 [139d]
INFO: rcu detected stall in sys_recvmmsg (3) kasan mm batman 33 1d14h 139d
KASAN: slab-out-of-bounds Write in shmem_file_read_iter hfs mm C 3 45d 144d
BUG: spinlock recursion in try_to_wake_up mm C 2 24d 175d
WARNING in __gup_longterm_locked (2) mm 15 9d09h 188d
WARNING in __kfence_free (3) kasan mm syz 92 44d 202d 💬 1 [48d]
BUG: unable to handle kernel NULL pointer dereference in __kmap_local_page_prot mm C 67 2d11h 215d
KASAN: slab-out-of-bounds Read in generic_perform_write hfs mm C inconclusive 10220 1d08h 225d PATCH [223d]
kernel BUG in filemap_unaccount_folio mm C done 32 51m 243d 💬 3 [48d]
BUG: unable to handle kernel paging request in list_lru_add mm syz 48 45d 245d
INFO: rcu detected stall in sys_openat (3) mm kernfs ext4 C error 39 3d05h 246d
kernel BUG in do_page_mkwrite mm C done 16 3d15h 264d
KCSAN: data-race in generic_fillattr / shmem_unlink (3) mm 653 13d 378d 💬 1 [7d16h]
KCSAN: data-race in generic_fillattr / shmem_mknod (2) mm syz 719 14d 378d 💬 5 [7d16h]
INFO: task hung in __unmap_and_move (4) mm C error 4 62d 494d 💬 3 [174d]
possible deadlock in filemap_fault mm ntfs3 C done 915 6h27m 550d 💬 3 [7d16h]
memory leak in xas_create mm C 15 138d 667d 💬 9 [174d]
WARNING in ext4_dirty_folio mm C inconclusive done 25789 5d03h 772d 💬 1 [7d16h]
INFO: task hung in do_read_cache_folio block kasan mm C error error 179 318d 820d 💬 3 [305d]
INFO: task can't die in shrink_inactive_list (2) mm C error 2 1266d 1263d 💬 10 [1186d]
INFO: task can't die in wait_on_page_bit_common fs mm C done 5 994d 1347d
INFO: task hung in do_read_cache_page (3) mm fs C done inconclusive 88 664d 1561d 💬 2 [1455d]
moderation (46):
Title Repro Cause bisect Fix bisect Count Last Reported Discussions
KCSAN: data-race in __lru_add_drain_all / deactivate_file_folio (3) mm 1 4d08h 4d08h
KCSAN: data-race in _copy_from_iter / _copy_from_iter (3) mm 1 7d18h 7d18h
KCSAN: data-race in ondemand_readahead / read_pages (3) fs mm 2 1d22h 8d15h
KCSAN: data-race in munlock_folio / need_mlock_drain (4) mm 1 10d 10d
KCSAN: data-race in __lru_add_drain_all / folio_activate (5) mm 1 12d 12d
KCSAN: data-race in mlock_folio / need_mlock_drain (4) mm 1 13d 13d
KCSAN: data-race in __filemap_remove_folio / migrate_pages_batch mm 1 15d 15d
KCSAN: data-race in bprm_execve / copy_fs (2) fs mm 1 20d 20d
KCSAN: data-race in ondemand_readahead / ondemand_readahead (11) fs mm 25 8h45m 21d
KCSAN: data-race in __filemap_remove_folio / nr_blockdev_pages (4) mm 3 14d 24d
KCSAN: data-race in mlock_new_folio / need_mlock_drain (3) mm 4 8d16h 26d
KCSAN: data-race in getrusage / unmap_region mm 7 5d19h 27d
KCSAN: data-race in __lru_add_drain_all / folios_put_refs mm 11 1d06h 29d
WARNING: refcount bug in __set_page_owner mm 2 26d 30d
KCSAN: data-race in getrusage / try_to_unmap_one mm 1 32d 32d
KCSAN: data-race in list_lru_add / list_lru_count_node (10) mm 2 31d 35d
KCSAN: data-race in __filemap_add_folio / file_write_and_wait_range (5) mm 7 2d15h 75d
KCSAN: data-race in __mod_memcg_state / mem_cgroup_css_rstat_flush cgroups mm 271 5h39m 85d
KCSAN: data-race in __count_memcg_events / mem_cgroup_css_rstat_flush cgroups mm 227 5h45m 85d
KCSAN: data-race in __mod_memcg_lruvec_state / mem_cgroup_css_rstat_flush cgroups mm 253 6h28m 85d
general protection fault in khugepaged (3) mm 2 15d 90d
INFO: task hung in page_cache_ra_unbounded (2) fs mm 140 7h58m 98d
KCSAN: data-race in mas_walk / mas_wmb_replace mm 68 4d08h 115d
KCSAN: data-race in mas_wmb_replace / mtree_range_walk mm 179 12m 117d
KCSAN: data-race in mas_wr_modify / mtree_range_walk mm 180 13h18m 117d
KCSAN: data-race in call_rcu / mtree_range_walk mm 268 3h15m 118d
KCSAN: data-race in mas_replace_node / mtree_range_walk mm 221 9h55m 118d
KCSAN: data-race in do_sync_mmap_readahead / do_sync_mmap_readahead (6) fs mm 5 33d 128d
KCSAN: data-race in fprop_new_period / fprop_reflect_period_percpu (10) fs mm 30 13d 149d
KCSAN: data-race in __filemap_remove_folio / filemap_write_and_wait_range (3) mm 69 5d12h 150d
KCSAN: data-race in shmem_file_splice_read / shmem_file_splice_read mm 185 1d01h 150d
KCSAN: data-race in __anon_vma_prepare / handle_mm_fault (2) mm 123 10d 150d
KCSAN: data-race in mem_cgroup_track_foreign_dirty_slowpath / mem_cgroup_track_foreign_dirty_slowpath (4) mm fs 128 7d17h 151d
KCSAN: data-race in __wb_writeout_add / writeout_period (4) fs mm 143 5d16h 151d
KCSAN: data-race in drain_all_stock / try_charge_memcg (2) mm cgroups 189 3h05m 151d
KCSAN: data-race in __lru_add_drain_all / folio_add_lru_vma mm 266 3d03h 151d
KCSAN: data-race in generic_fillattr / shmem_symlink (2) mm 247 12d 151d
KCSAN: data-race in __wb_update_bandwidth / percpu_counter_add_batch (7) fs mm 282 1d02h 151d
KCSAN: data-race in __anon_vma_prepare / lock_vma_under_rcu mm 58 5d07h 363d
KCSAN: data-race in filemap_fdatawrite_wbc / xas_set_mark fs mm 662 2d13h 728d
KCSAN: data-race in __filemap_add_folio / filemap_write_and_wait_range mm 711 4d05h 851d
KCSAN: data-race in __lru_add_drain_all / folio_add_lru mm 786 7d11h 874d
KCSAN: data-race in __xa_clear_mark / xas_find_marked (2) fs mm 3587 6h30m 1045d
KCSAN: data-race in __xa_set_mark / xas_find_marked mm fs 1336 11h46m 1319d
KCSAN: data-race in xas_clear_mark / xas_find_marked (2) fs mm 3517 6h02m 1609d
KCSAN: data-race in xas_find_marked / xas_set_mark fs mm 1297 11h39m 1615d