syzbot

 sign-in | mailing list | source | docs
🐞 Open [1276]
≡ Subsystems
🐞 Fixed [5713]
🐞 Invalid [13921]
⬇ Missing Backports [97]
Kernel Health Bugs/Month Bug Lifetimes Fuzzing Crashes
Total Repo Heatmap Subsystems Heatmap
💬 Send us feedback

Applied filters: Label=subsystems:mm (drop)
open (80):
Title Repro Cause bisect Fix bisect Count Last Reported Discussions
INFO: task hung in exit_mmap mm 66 2h19m 3h15m 💬 1 [3h06m]
KMSAN: uninit-value in swap_writepage mm 1 4d09h 9h50m
WARNING in vms_complete_munmap_vmas mm C 21 8h31m 1d22h
INFO: rcu detected stall in kswapd (3) mm usb C 1 7d22h 3d22h
WARNING in page_counter_cancel (5) mm C 5 3d15h 6d03h 💬 1 [5d01h]
INFO: rcu detected stall in kjournald2 (2) mm C error 14 1d12h 7d11h
KCSAN: data-race in exec_mmap / vms_clear_ptes mm 2 10d 10d 💬 1 [10d]
INFO: rcu detected stall in vhci_release mm bluetooth syz done 4 9d13h 12d
kernel panic: stack is corrupted in _raw_spin_unlock_irqrestore mm ntfs3 syz 2 12d 12d
kernel BUG in page_table_check_clear (2) mm C 7 22h42m 14d 💬 1 [13d]
INFO: task hung in bch2_read_iter bcachefs mm 103 9d06h 16d
KCSAN: data-race in mas_wr_store_entry / mtree_range_walk mm 12 5d18h 17d 💬 4 [17d]
INFO: rcu detected stall in shmem_fault (6) mm 37 2d08h 21d PATCH [3d07h]
KASAN: slab-use-after-free Read in shrinker_free mm C 17 8h14m 22d 💬 2 [21d]
BUG: corrupted list in do_compact_page mm syz 13 15h21m 22d 💬 1 [7d06h]
INFO: rcu detected stall in sys_execve (6) mm syz done 12 1d05h 23d
possible deadlock in refill_stock cgroups mm 1 30d 26d
INFO: rcu detected stall in x64_sys_call mm syz 72 2h18m 30d
BUG: corrupted list in add_to_unbuddied mm 22 5d20h 31d
possible deadlock in obj_cgroup_charge mm cgroups 4 27d 33d
INFO: task hung in hugetlb_fault mm C 64 2d00h 33d
kernel BUG in z3fold_page_migrate mm syz 94 21h58m 36d
INFO: task hung in page_cache_ra_unbounded (2) mm fs C done 3052 1h01m 38d
KMSAN: uninit-value in zswap_store (2) mm 1 43d 39d 💬 1 [37d]
possible deadlock in lock_mm_and_find_vma (2) mm C 3097 10m 40d 💬 1 [6d18h]
BUG: unable to handle kernel paging request in mmap_region mm 381 43d 44d 💬 1 [43d]
general protection fault in ksm_do_scan mm 8 9d22h 44d
KASAN: slab-use-after-free Read in isolate_migratepages_block mm 8 4d12h 48d
KASAN: slab-use-after-free Read in __list_lru_walk_one mm 3 64d 48d
INFO: task hung in hugetlb_wp mm C 93 8h48m 55d
INFO: rcu detected stall in kcov_close mm 50 2d22h 59d
kernel panic: System is deadlocked on memory (2) mm 14 24d 59d
INFO: rcu detected stall in vm_mmap_pgoff mm 48 21h06m 60d PATCH [3d07h]
INFO: rcu detected stall in kcov_ioctl (2) mm 54 1d05h 73d 💬 2 [72d]
possible deadlock in try_charge_memcg cgroups mm 1 85d 81d
BUG: Bad page map (8) mm C done 5 3d23h 83d 💬 10 [10d]
kernel BUG in resv_map_release (2) mm 1 92d 88d
general protection fault in khugepaged (3) mm 11 5d20h 89d
WARNING in __page_table_check_ptes_set (2) mm C done 109 11d 120d 💬 4 [10d]
WARNING: locking bug in __schedule mm 385 1h15m 124d
BUG: unable to handle kernel paging request in free_unref_page mm syz 2 48d 131d
INFO: rcu detected stall in kcompactd (2) mm C error 4 27d 131d 💬 2 [131d]
INFO: rcu detected stall in ext4_release_file (2) ext4 mm C error done 3 40d 133d
possible deadlock in __mmap_lock_do_trace_acquire_returned (2) mm C error inconclusive 621 73d 136d
INFO: rcu detected stall in shmem_file_write_iter (2) mm 109 2d13h 136d
WARNING in shmem_evict_inode (3) mm 20 1d10h 138d
INFO: rcu detected stall in sys_sendto (7) mm C error 58 13h00m 141d
INFO: task hung in __lru_add_drain_all (2) mm 264 1d05h 145d
INFO: rcu detected stall in validate_mm (3) mm C error 29 19h12m 151d 💬 5 [93d]
general protection fault in __pte_offset_map_lock mm C done 68 2d01h 157d
possible deadlock in gup_fast_fallback mm C done 740 2h28m 172d
KMSAN: kernel-infoleak in bpf_probe_write_user mm C 3 167d 180d 💬 6 [175d]
inconsistent lock state in __mmap_lock_do_trace_acquire_returned mm C error inconclusive 498 83d 189d 💬 2 [69d]
INFO: rcu detected stall in sys_clone (8) mm C error 77 now 195d 💬 10 [26d]
INFO: rcu detected stall in asm_exc_page_fault mm syz error 3 5d14h 215d 💬 3 [69d]
WARNING in kunmap_local_indexed mm C 1380 80d 227d
INFO: rcu detected stall in sys_syslog (2) mm bpf syz error 18 2d00h 233d
BUG: soft lockup in pipe_read fs mm syz 4 119d 259d
INFO: task hung in _vm_unmap_aliases (3) mm C 474 24m 275d
INFO: rcu detected stall in dput (8) mm C done 167 17h04m 283d
KASAN: slab-out-of-bounds Write in shmem_file_read_iter hfs mm C error 3 6d05h 300d
INFO: rcu detected stall in sys_socket (10) mm C done 38 2d22h 315d 💬 6 [310d]
BUG: spinlock recursion in try_to_wake_up mm crypto C 9 49d 331d
INFO: rcu detected stall in worker_thread (9) mm C done 2275 55m 369d PATCH [362d]
BUG: unable to handle kernel NULL pointer dereference in __kmap_local_page_prot mm C 138 91d 372d
KASAN: slab-out-of-bounds Read in generic_perform_write hfs mm C inconclusive 10301 1d06h 382d PATCH [98d]
kernel BUG in filemap_unaccount_folio mm C done done 39 89d 399d 💬 3 [57d]
INFO: rcu detected stall in sys_openat (3) mm kernfs C error 129 2h41m 403d
INFO: rcu detected stall in sys_unlink (3) mm fs C error 68 1d21h 423d
KCSAN: data-race in generic_fillattr / shmem_mknod (2) mm syz 751 21m 535d 💬 20 [20d]
KCSAN: data-race in __filemap_remove_folio / folio_mapping (2) mm 290 2d03h 535d 💬 6 [7d09h]
possible deadlock in page_cache_ra_unbounded mm reiserfs C error 67 12d 659d
possible deadlock in filemap_fault mm C done 1640 3h53m 706d 💬 3 [7d09h]
INFO: rcu detected stall in sys_newfstatat (4) mm C error 86 4h34m 716d 💬 1 [58d]
memory leak in xas_create mm C 15 295d 824d 💬 9 [330d]
WARNING in ext4_dirty_folio mm C inconclusive done 25797 10d 929d 💬 1 [7d09h]
INFO: task hung in do_read_cache_folio mm block kasan C error error 179 475d 976d 💬 3 [462d]
INFO: rcu detected stall in corrupted (4) mm C done inconclusive 577 7h46m 1496d 💬 7 [7d09h]
INFO: task can't die in wait_on_page_bit_common fs mm C done 5 1151d 1503d
INFO: task hung in do_read_cache_page (3) mm fs C done inconclusive 88 820d 1718d 💬 2 [1612d]
moderation (45):
Title Repro Cause bisect Fix bisect Count Last Reported Discussions
BUG: stack guard page was hit in compat_sys_open mm 1 5d03h 1d03h
KCSAN: data-race in __wb_writeout_add / writeout_period (5) fs mm 1 5d18h 5d18h
KCSAN: data-race in xas_create / xas_find (8) fs mm 1 5d18h 5d18h
INFO: task hung in bchfs_fallocate fs mm 91 11d 9d23h
BUG: stack guard page was hit in compat_sys_sendfile mm 1 12d 10d
INFO: task hung in writeback_iter fs mm 118 8d20h 10d
general protection fault in validate_mm mm 1 16d 12d
KCSAN: data-race in __xa_set_mark / filemap_fdatawrite_wbc fs mm 1 14d 14d
KCSAN: data-race in __filemap_add_folio / file_write_and_wait_range (6) fs mm 1 16d 16d
KCSAN: data-race in getrusage / vms_clear_ptes mm 3 20h16m 17d
KCSAN: data-race in __filemap_remove_folio / migrate_pages_batch (3) mm 1 19d 19d
KCSAN: data-race in exec_mmap / unmap_region (7) mm 1 22d 22d
KCSAN: data-race in mem_cgroup_track_foreign_dirty_slowpath / mem_cgroup_track_foreign_dirty_slowpath (6) fs mm 1 23d 23d
KCSAN: data-race in read_pages / read_pages (3) fs mm 1 30d 30d
KASAN: slab-use-after-free Read in folio_evictable (3) mm 3 2d04h 42d
KASAN: slab-use-after-free Read in move_to_new_folio (3) mm 2 46d 43d
KCSAN: data-race in __filemap_add_folio / kiocb_invalidate_post_direct_write (5) fs mm 4 33d 51d
KCSAN: data-race in __wb_update_bandwidth / percpu_counter_add_batch (8) mm fs 4 22d 63d
KCSAN: data-race in shmem_fallocate / shmem_fault (8) mm 7 32d 70d
KCSAN: data-race in mlock_folio / need_mlock_drain (6) mm 7 14d 87d
KCSAN: data-race in shmem_add_to_page_cache / shmem_getattr (5) mm 17 2d21h 97d
KCSAN: data-race in shmem_getattr / shmem_recalc_inode mm 18 2d16h 97d
KCSAN: data-race in __filemap_remove_folio / nr_blockdev_pages (5) mm 16 1d11h 99d
KCSAN: data-race in generic_fillattr / shmem_symlink (3) mm 15 7d16h 105d
KCSAN: data-race in generic_fillattr / shmem_unlink (4) mm 13 4d06h 108d
BUG: unable to handle kernel NULL pointer dereference in folio_mark_dirty (2) mm fs 7 87d 113d
KCSAN: data-race in folios_put_refs / need_mlock_drain mm 20 24d 114d
KCSAN: data-race in munlock_folio / need_mlock_drain (5) mm 14 10d 130d
KCSAN: data-race in __writeback_single_inode / xas_set_mark (6) fs mm 89 1h53m 156d
KCSAN: data-race in mlock_new_folio / need_mlock_drain (3) mm 37 4d00h 182d
KCSAN: data-race in getrusage / unmap_region mm 45 20d 184d
KCSAN: data-race in __lru_add_drain_all / folios_put_refs mm 59 1d23h 185d
KCSAN: data-race in mas_walk / mas_wmb_replace mm 159 6h37m 272d
KCSAN: data-race in mas_wmb_replace / mtree_range_walk mm 369 2d16h 274d
KCSAN: data-race in mas_wr_modify / mtree_range_walk mm 321 22d 274d
KCSAN: data-race in call_rcu / mtree_range_walk mm 564 10h27m 274d
KCSAN: data-race in mas_replace_node / mtree_range_walk mm 425 2d18h 274d
KCSAN: data-race in shmem_file_splice_read / shmem_file_splice_read mm 535 2h19m 306d
KCSAN: data-race in filemap_fdatawrite_wbc / xas_set_mark fs mm 848 1h53m 884d
KCSAN: data-race in __filemap_add_folio / filemap_write_and_wait_range mm 797 2d08h 1007d
KCSAN: data-race in __lru_add_drain_all / folio_add_lru mm 965 13h16m 1031d
KCSAN: data-race in __xa_clear_mark / xas_find_marked (2) fs mm 4220 2h47m 1201d
KCSAN: data-race in __xa_set_mark / xas_find_marked fs mm 1443 4d05h 1476d
KCSAN: data-race in xas_clear_mark / xas_find_marked (2) fs mm 3934 23m 1765d
KCSAN: data-race in xas_find_marked / xas_set_mark mm fs 1484 1d03h 1771d