syzbot

 sign-in | mailing list | source | docs
🐞 Open [1544]
≡ Subsystems
🐞 Fixed [5903]
🐞 Invalid [14364]
⬇ Missing Backports [99]
≡ Crashes
Kernel Health Bugs/Month Bug Lifetimes Fuzzing
Total Repo Heatmap Subsystems Heatmap
💬 Send us feedback

Applied filters: Label=subsystems:mm (drop)
open (120):
Title Repro Cause bisect Fix bisect Count Last Reported Discussions
WARNING in __folio_rmap_sanity_checks (2) mm 1 5d22h 1d22h 💬 1 [1d14h]
WARNING in lru_gen_add_folio mm C done 28 1d18h 3d07h 💬 1 [2d22h]
BUG: unable to handle kernel paging request in memcg_rstat_updated cgroups mm 1 7d16h 3d12h
general protection fault in find_mergeable_anon_vma mm 1 8d09h 3d12h PATCH [2d02h]
INFO: rcu detected stall in mas_preallocate (2) mm syz 5 5d03h 3d14h 💬 2 [2d06h]
INFO: rcu detected stall in sys_umount (3) mm syz 23 4d05h 4d15h
WARNING: locking bug in on mm 2 8d23h 5d02h
WARNING in lru_gen_clear_refs mm C done 14 3d05h 5d04h 💬 1 [5d02h]
upstream test error: WARNING: locking bug in __rmqueue_pcplist mm 2 1d01h 5d06h
KASAN: slab-use-after-free Read in move_pages_pte mm C done 3 6d23h 5d06h PATCH [2d15h]
KASAN: slab-use-after-free Read in __mmap_region mm C 4 2h37m 6d02h PATCH [3d10h]
KASAN: null-ptr-deref Write in sys_io_uring_register mm C done 15 1d17h 8d10h 💬 11 [8d03h]
KASAN: slab-use-after-free Read in lru_add mm 1 12d 8d13h
INFO: rcu detected stall in sys_symlinkat (5) mm 34 3d10h 8d21h
BUG: stack guard page was hit in sys_sendfile64 mm C 4 11d 9d05h
WARNING: locking bug in __sysvec_apic_timer_interrupt mm 1 20d 16d
KASAN: slab-use-after-free Read in folio_evictable (3) mm 5 16d 16d
INFO: rcu detected stall in sys_mmap (3) mm C error 15 1d18h 17d
INFO: rcu detected stall in sys_setsockopt (4) mm C done 7 10h44m 17d
BUG: corrupted list in list_lru_add bcachefs mm syz 1 24d 20d
INFO: rcu detected stall in security_file_ioctl (9) mm bpf 42 9h57m 20d
possible deadlock in try_to_wake_up (7) mm 1 25d 21d
WARNING in _xfs_buf_alloc mm 1 26d 22d
BUG: Bad page state in iomap_write_begin mm C 42 1d01h 22d 💬 4 [21d]
general protection fault in mas_store_prealloc mm C 11 8d11h 25d PATCH [22d]
INFO: rcu detected stall in rescuer_thread batman mm ext4 C done 9 27d 26d
KCSAN: data-race in mprotect_fixup / page_vma_mapped_walk mm 2 16d 29d
kernel BUG in resv_map_release (3) mm C 5 9d22h 30d 💬 1 [30d]
BUG: stack guard page was hit in sys_open mm v9fs C 15 9d10h 31d 💬 5 [3d08h]
INFO: rcu detected stall in sys_pipe2 (2) mm 54 2h54m 32d
BUG: unable to handle kernel paging request in schedule mm 6 18h34m 35d
BUG: stack guard page was hit in v9fs_file_read_iter mm C 14 2d06h 36d PATCH [3d08h]
WARNING in folio_update_gen mm 1 39d 38d PATCH [38d]
KCSAN: data-race in folios_put_refs / need_mlock_drain (2) mm 8 7h33m 38d
WARNING: locking bug in __set_page_owner mm syz error 1959 now 39d 💬 2 [7d15h]
INFO: rcu detected stall in brk (2) mm input usb syz 1 46d 42d 💬 8 [41d]
kernel BUG in __page_table_check_zero (2) mm C error done 32 32d 42d 💬 6 [1d08h]
KASAN: slab-use-after-free Read in move_to_new_folio (3) mm 29 1d12h 42d
INFO: rcu detected stall in kthreadd (2) mm C unreliable 29 6h04m 43d
kernel BUG in zap_huge_pmd mm C 2 48d 44d 💬 5 [44d]
WARNING in get_taint (2) mm C 363 17d 48d
INFO: rcu detected stall in vms_complete_munmap_vmas mm syz 3 16d 48d 💬 5 [48d]
INFO: rcu detected stall in seq_read_iter (2) mm C inconclusive 4 15d 57d 💬 1 [56d]
WARNING: ODEBUG bug in __folio_put (2) usb mm syz 12 21h58m 58d
INFO: rcu detected stall in vma_link_file mm input usb syz 1 63d 59d 💬 6 [57d]
KCSAN: data-race in xas_create / xas_find (8) fs mm 4 32d 59d 💬 2 [59d]
stack segment fault in folio_wait_writeback mm fs syz 4 59d 60d 💬 2 [58d]
INFO: rcu detected stall in sys_mprotect (8) mm 49 3d22h 62d
INFO: task hung in exit_mmap mm 236 34d 63d 💬 4 [59d]
KMSAN: uninit-value in swap_writepage mm 3 10d 63d 💬 2 [62d]
WARNING in vms_complete_munmap_vmas mm C 422 9h51m 65d 💬 1 [62d]
INFO: rcu detected stall in kswapd (3) usb mm fs C 2 56d 67d
WARNING in page_counter_cancel (5) mm C 5 52d 69d 💬 1 [68d]
INFO: rcu detected stall in kjournald2 (2) mm C error 49 2h54m 70d
INFO: rcu detected stall in vhci_release mm syz done 5 59d 75d
kernel panic: stack is corrupted in _raw_spin_unlock_irqrestore mm ntfs3 syz 2 76d 76d
kernel BUG in page_table_check_clear (2) mm C 17 42d 77d 💬 1 [77d]
KCSAN: data-race in mas_wr_store_entry / mtree_range_walk mm 54 14h09m 80d 💬 4 [80d]
INFO: rcu detected stall in shmem_fault (6) mm 60 2d01h 84d PATCH [66d]
KASAN: slab-use-after-free Read in shrinker_free mm C 17 63d 85d 💬 2 [85d]
BUG: corrupted list in do_compact_page mm syz 19 15d 85d 💬 1 [70d]
INFO: rcu detected stall in sys_execve (6) mm syz done 27 5d21h 86d
possible deadlock in refill_stock cgroups mm 1 93d 89d
INFO: rcu detected stall in x64_sys_call usb input mm syz 163 13h16m 94d
BUG: corrupted list in add_to_unbuddied mm syz 28 39d 95d 💬 4 [55d]
KMSAN: uninit-value in sw842_compress mm C 20 15h35m 95d 💬 3 [28d]
possible deadlock in obj_cgroup_charge cgroups mm 4 90d 96d
INFO: task hung in hugetlb_fault mm C done 65 7d21h 96d 💬 2 [61d]
kernel BUG in z3fold_page_migrate mm syz 141 22h20m 99d
INFO: task hung in page_cache_ra_unbounded (2) fs mm C done 3612 2d13h 101d 💬 1 [7d15h]
general protection fault in ksm_do_scan mm 9 59d 107d
KASAN: slab-use-after-free Read in isolate_migratepages_block mm 18 11d 111d
INFO: task hung in hugetlb_wp mm C done 94 22d 118d
INFO: rcu detected stall in kcov_close bpf mm 78 15h46m 122d
kernel panic: System is deadlocked on memory (2) mm 17 8d16h 122d
INFO: rcu detected stall in vm_mmap_pgoff mm 58 3d07h 123d PATCH [66d]
INFO: rcu detected stall in kcov_ioctl (2) mm 71 2d11h 136d 💬 2 [135d]
BUG: Bad page map (8) mm C done 9 15d 147d 💬 10 [73d]
general protection fault in khugepaged (3) mm 13 44d 152d
INFO: task hung in filemap_fault (6) mm 184 1d13h 156d
WARNING in __page_table_check_ptes_set (2) mm C done 112 9h41m 183d 💬 4 [73d]
WARNING: locking bug in __schedule mm 1154 17m 187d 💬 1 [7d15h]
BUG: unable to handle kernel paging request in free_unref_page mm syz 2 41d 194d
INFO: rcu detected stall in kcompactd (2) mm C error unreliable 6 14d 194d 💬 2 [194d]
possible deadlock in __mmap_lock_do_trace_acquire_returned (2) mm C error inconclusive 621 136d 199d
INFO: rcu detected stall in shmem_file_write_iter (2) mm 130 4d02h 200d
WARNING in shmem_evict_inode (3) mm 21 5d01h 202d
INFO: rcu detected stall in sys_sendto (7) net mm C error 170 13h19m 205d
INFO: task hung in __lru_add_drain_all (2) mm 266 45d 209d
INFO: rcu detected stall in validate_mm (3) mm C error 31 18d 214d 💬 5 [156d]
general protection fault in __pte_offset_map_lock mm C done 90 1d22h 221d
possible deadlock in gup_fast_fallback mm C done 1098 3h12m 235d 💬 1 [7d15h]
inconsistent lock state in __mmap_lock_do_trace_acquire_returned mm C error inconclusive 498 146d 252d 💬 2 [132d]
INFO: rcu detected stall in sys_clone (8) bpf mm C error 176 1d16h 258d 💬 10 [89d]
INFO: rcu detected stall in asm_exc_page_fault mm syz error 4 56d 278d 💬 3 [132d]
WARNING in kunmap_local_indexed mm C 1380 143d 290d
INFO: rcu detected stall in sys_syslog (2) mm C error 30 7d08h 296d
BUG: soft lockup in pipe_read fs mm syz 4 182d 322d
INFO: task hung in _vm_unmap_aliases (3) mm C 509 17d 338d
INFO: rcu detected stall in dput (8) mm C done 228 7h31m 347d
INFO: rcu detected stall in sys_recvmmsg (3) mm 93 22h59m 359d
KASAN: slab-out-of-bounds Write in shmem_file_read_iter hfs mm C error done 4 41d 364d
INFO: rcu detected stall in sys_socket (10) mm C done 71 2d08h 378d 💬 6 [373d]
BUG: spinlock recursion in try_to_wake_up crypto mm C 9 112d 395d
BUG: unable to handle kernel NULL pointer dereference in __kmap_local_page_prot mm C 138 154d 435d
KASAN: slab-out-of-bounds Read in generic_perform_write hfs mm C inconclusive 10380 2d02h 445d PATCH [161d]
kernel BUG in filemap_unaccount_folio mm C done done 79 1d13h 463d 💬 4 [8d08h]
INFO: rcu detected stall in sys_openat (3) mm C error 288 13h09m 466d
INFO: rcu detected stall in sys_unlink (3) mm C error 142 1d04h 487d
KCSAN: data-race in generic_fillattr / shmem_mknod (2) mm syz 760 24d 598d 💬 21 [38d]
KCSAN: data-race in __filemap_remove_folio / folio_mapping (2) mm 332 6h27m 598d 💬 6 [70d]
possible deadlock in page_cache_ra_unbounded mm reiserfs C error 105 1d11h 722d
possible deadlock in filemap_fault mm C done 2085 7h47m 770d 💬 4 [7d15h]
INFO: rcu detected stall in sys_newfstatat (4) mm C error 268 now 779d 💬 1 [121d]
memory leak in xas_create mm C 15 358d 887d 💬 9 [393d]
WARNING in ext4_dirty_folio mm C inconclusive done 25799 3d06h 992d 💬 2 [7d15h]
INFO: task hung in do_read_cache_folio kasan mm block C error error 179 538d 1039d 💬 3 [525d]
INFO: rcu detected stall in corrupted (4) mm C done inconclusive 623 1d12h 1560d 💬 7 [7d15h]
INFO: task can't die in wait_on_page_bit_common fs mm C done 5 1214d 1567d
INFO: task hung in do_read_cache_page (3) fs mm C done inconclusive 88 884d 1781d 💬 2 [1675d]
moderation (50):
Title Repro Cause bisect Fix bisect Count Last Reported Discussions
KCSAN: data-race in generic_fillattr / shmem_symlink (4) mm 1 2d19h 2d19h
KCSAN: data-race in filemap_flush / xas_set_mark (3) mm fs 1 3d20h 3d20h
KCSAN: data-race in __writeback_single_inode / xas_clear_mark (6) fs mm 2 1d11h 9d02h
KCSAN: data-race in __filemap_add_folio / invalidate_bdev (7) fs mm 1 15d 15d
upstream test error: KCSAN: data-race in fill_mg_cmtime / shmem_unlink mm 1 16d 16d
KCSAN: data-race in exec_mmap / vms_clear_ptes (2) mm 2 10d 16d
upstream test error: KCSAN: data-race in __xa_clear_mark / xas_find_marked (2) fs mm 1 19d 19d
KCSAN: data-race in fill_mg_cmtime / shmem_symlink mm 8 22h33m 20d
KCSAN: data-race in mprotect_fixup / remove_migration_pte mm 1 21d 21d
KCSAN: data-race in fill_mg_cmtime / shmem_mknod mm 27 3h45m 22d
KCSAN: data-race in fill_mg_cmtime / shmem_unlink mm 8 9h25m 23d
KCSAN: data-race in __anon_vma_prepare / handle_mm_fault (4) mm 2 21d 23d
upstream test error: KCSAN: data-race in fill_mg_cmtime / shmem_symlink mm 1 23d 23d
KCSAN: data-race in file_write_and_wait_range / xas_set_mark (2) mm fs 54 3h13m 23d
KCSAN: data-race in __filemap_remove_folio / file_write_and_wait_range (8) mm 1 29d 29d
KCSAN: data-race in _copy_from_iter / _copy_from_iter (4) mm 5 2d11h 35d
KCSAN: data-race in data_push_tail / dentry_name (3) mm 1 36d 36d
KCSAN: data-race in xas_create / xas_find_marked (7) fs mm 1 41d 41d
KCSAN: data-race in __percpu_counter_limited_add / percpu_counter_add_batch (2) mm 1 45d 45d
WARNING in free_bprm fs mm 1 53d 49d
upstream test error: KCSAN: data-race in __percpu_counter_limited_add / __percpu_counter_limited_add (2) mm 1 51d 51d
KCSAN: data-race in shmem_fallocate / shmem_fault (9) mm 9 8d15h 56d
KCSAN: data-race in __delete_from_swap_cache / folio_mapping (5) mm 5 1d23h 60d
BUG: stack guard page was hit in compat_sys_sendfile mm 1 75d 73d
INFO: task hung in writeback_iter fs mm 135 5h31m 73d
general protection fault in validate_mm mm 1 79d 75d
KCSAN: data-race in getrusage / vms_clear_ptes mm 19 3d22h 80d
KCSAN: data-race in mem_cgroup_track_foreign_dirty_slowpath / mem_cgroup_track_foreign_dirty_slowpath (6) fs mm 3 22d 86d
KCSAN: data-race in mlock_folio / need_mlock_drain (6) mm 11 26d 150d
KCSAN: data-race in shmem_add_to_page_cache / shmem_getattr (5) mm 39 1d06h 160d
KCSAN: data-race in shmem_getattr / shmem_recalc_inode mm 36 4d18h 161d
KCSAN: data-race in __filemap_remove_folio / nr_blockdev_pages (5) mm 29 2h25m 162d
KCSAN: data-race in generic_fillattr / shmem_unlink (4) mm 15 52d 172d
KCSAN: data-race in munlock_folio / need_mlock_drain (5) mm 16 37d 193d
KCSAN: data-race in __writeback_single_inode / xas_set_mark (6) fs mm 150 14m 219d
KCSAN: data-race in mlock_new_folio / need_mlock_drain (3) mm 44 2d11h 245d
KCSAN: data-race in __lru_add_drain_all / folios_put_refs mm 74 5d00h 249d
KCSAN: data-race in mas_walk / mas_wmb_replace mm 180 3d22h 335d
KCSAN: data-race in mas_wmb_replace / mtree_range_walk mm 419 21h08m 337d
KCSAN: data-race in call_rcu / mtree_range_walk mm 651 13h50m 337d
KCSAN: data-race in mas_replace_node / mtree_range_walk mm 474 13h36m 337d
KCSAN: data-race in shmem_file_splice_read / shmem_file_splice_read mm 710 3h12m 370d
KCSAN: data-race in filemap_fdatawrite_wbc / xas_set_mark fs mm 877 24d 948d
KCSAN: data-race in __filemap_add_folio / filemap_write_and_wait_range mm 821 1d08h 1071d
KCSAN: data-race in __lru_add_drain_all / folio_add_lru mm 1060 1h14m 1094d
KCSAN: data-race in __xa_clear_mark / xas_find_marked (2) fs mm 4328 9h32m 1265d
KCSAN: data-race in __xa_set_mark / xas_find_marked fs mm 1455 7d04h 1539d
KCSAN: data-race in xas_clear_mark / xas_find_marked (2) fs mm 4012 3h34m 1829d
KCSAN: data-race in xas_find_marked / xas_set_mark fs mm 1582 3h12m 1834d
corrupted report (2) mm net 779732 now 2437d