syzbot

 sign-in | mailing list | source | docs
🐞 Open [1553]
≡ Subsystems
🐞 Fixed [6434]
🐞 Invalid [16300]
⬇ Missing Backports [199]
≡ Crashes
Kernel Health Bugs/Month Bug Lifetimes Fuzzing
Total Repo Heatmap Subsystems Heatmap
💬 Send us feedback

Applied filters: Label=subsystems:mm (drop)
open (118):
Title Rank 🛈 Repro Cause bisect Fix bisect Count Last Reported Discussions
BUG: unable to handle kernel paging request in move_pages mm 8 C 4 2d12h 2d04h
KASAN: slab-use-after-free Read in mas_next_slot (2) mm 19 C done 3 3d16h 3d05h 💬 10 [1d10h]
general protection fault in mas_start mm 2 C error 1 6d12h 5d06h 💬 1 [4d21h]
possible deadlock in lock_next_vma mm 4 C 4 5d06h 7d17h 💬 4 [2d18h]
INFO: rcu detected stall in wb_workfn (4) mm 1 31 9h01m 8d09h
WARNING: lock held when returning to user space in lock_next_vma mm 4 C done 3 3d06h 11d 💬 11 [8d17h]
stack segment fault in mtree_range_walk mm 2 C done 6 6d03h 11d 💬 1 [10d]
WARNING in move_to_new_folio (2) mm -1 C error 255 2h14m 11d 💬 1 [11d]
WARNING in path_noexec mm fs -1 C done 6501 10m 12d PATCH [11d]
WARNING in xfs_init_fs_context mm -1 6 4d07h 20d 💬 8 [11d]
INFO: rcu detected stall in exit_to_user_mode_loop mm 1 syz 66 6h39m 28d
WARNING: bad unlock balance in move_pgt_entry mm 4 C done 8 32d 32d 💬 1 [31d]
INFO: rcu detected stall in sys_unlinkat (3) mm 1 31 18d 43d
BUG: soft lockup in sys_sendmsg (2) scsi mm block 1 8 16d 44d
KASAN: slab-use-after-free Read in __list_lru_walk_one (2) mm 19 1 52d 46d
WARNING: bad unlock balance in copy_process mm 4 3 33d 49d
INFO: rcu detected stall in vm_area_alloc (6) mm 1 syz error 3 26d 50d
possible deadlock in __vma_start_write mm 4 1 55d 51d 💬 10 [44d]
BUG: unable to handle kernel paging request in percpu_ref_get_many (2) cgroups mm 8 24 3h41m 55d 💬 1 [21d]
INFO: rcu detected stall in vms_gather_munmap_vmas mm 1 syz error 37 3d18h 66d
INFO: rcu detected stall in ext4_end_io_rsv_work (3) ext4 mm 1 C error 2 2d05h 68d
INFO: rcu detected stall in wg_packet_handshake_receive_worker (3) wireguard mm 1 syz error 6 30d 76d
INFO: rcu detected stall in nsim_fib_event_work mm 1 C error 4 1d05h 79d
BUG: Bad page state in page_cache_ra_order mm -1 C 25 1d15h 79d
KCSAN: data-race in copy_mm / copy_page_range mm 6 3 27d 82d
INFO: task hung in exit_mmap (2) mm 1 C done error 11 3d18h 85d
kernel BUG in __filemap_add_folio fs mm -1 C done 148 21h20m 85d
BUG: soft lockup in sys_bpf mm 1 18 6d07h 87d
INFO: task hung in page_cache_ra_order fs mm 1 C done 34 2d02h 88d 💬 1 [87d]
BUG: soft lockup in cfg80211_wext_siwfreq mm kasan 1 2 53d 103d
KCSAN: data-race in mem_cgroup_track_foreign_dirty_slowpath / mem_cgroup_track_foreign_dirty_slowpath (7) mm 6 4 36d 109d
INFO: rcu detected stall in clone (7) mm 1 48 23h47m 114d
general protection fault in xas_create bcachefs mm 2 syz 2 76d 125d
WARNING: bad unlock balance in __mm_populate xfs mm 4 C 52 124d 139d 💬 12 [125d]
KASAN: global-out-of-bounds Read in get_mem_cgroup_from_mm mm cgroups 17 C 2 75d 139d
WARNING in get_dump_page ext4 mm -1 C done error 5 130d 143d
KASAN: slab-out-of-bounds Read in folio_try_get bcachefs mm 17 C 3 135d 155d 💬 2 [155d]
INFO: task hung in rmap_walk_file mm 1 C error 19 33d 162d
UBSAN: shift-out-of-bounds in xas_reload bcachefs mm -1 C 4 149d 163d 💬 2 [154d]
KASAN: slab-use-after-free Read in list_lru_del mm 19 syz done 17 2d23h 163d
INFO: rcu detected stall in sys_mkdir (9) ext4 mm 1 syz done 2 37d 175d
INFO: rcu detected stall in task_numa_work (2) bpf mm 1 C error error 17 48d 196d
KASAN: slab-use-after-free Read in filemap_map_pages xfs mm 19 C inconclusive 8 51d 199d 💬 1 [199d]
INFO: task hung in hugetlbfs_zero_partial_page fs mm 1 syz done 3 28d 210d
INFO: rcu detected stall in sys_mkdirat (2) mm 1 44 14d 215d
BUG: unable to handle kernel NULL pointer dereference in deactivate_slab (2) mm 10 9 67d 218d
WARNING in __folio_rmap_sanity_checks (2) xfs mm -1 C inconclusive 13 15d 220d 💬 26 [54d]
INFO: rcu detected stall in mas_preallocate (2) mm 1 syz done 7 13d 222d 💬 6 [131d]
INFO: rcu detected stall in sys_umount (3) mm 1 syz done 39 21d 223d
possible deadlock in balance_pgdat (2) scsi mm 4 C 4 193d 226d 💬 1 [184d]
INFO: rcu detected stall in sys_symlinkat (5) mm 1 syz error 65 5d05h 227d
INFO: rcu detected stall in sys_sendmmsg (7) mm tipc 1 77 6d00h 231d
KASAN: slab-use-after-free Read in folio_evictable (3) gfs2 mm 19 C 44 6d16h 235d 💬 7 [5d16h]
INFO: rcu detected stall in sys_mmap (3) mm 1 C error 23 7d19h 236d
INFO: rcu detected stall in sys_setsockopt (4) mm 1 C done inconclusive 30 7d08h 236d
BUG: corrupted list in list_lru_add mm 19 syz 13 8d04h 239d
INFO: rcu detected stall in security_file_ioctl (9) tomoyo mm 1 75 11d 239d
BUG: Bad page state in iomap_write_begin xfs mm -1 C 271 2h55m 241d 💬 4 [24d]
kernel BUG in resv_map_release (3) mm -1 C 18 4d21h 249d 💬 1 [249d]
INFO: rcu detected stall in sys_pipe2 (2) mm 1 syz done 96 9d15h 251d
KCSAN: data-race in folios_put_refs / need_mlock_drain (2) mm 6 22 7d11h 257d
INFO: rcu detected stall in brk (2) mm 1 syz 2 198d 261d 💬 8 [260d]
INFO: rcu detected stall in kthreadd (2) mm 1 C unreliable 77 3d00h 262d
WARNING in get_taint (2) mm -1 C 363 236d 267d
INFO: rcu detected stall in sys_readlink (5) mm fs 1 syz done 31 25d 274d
INFO: rcu detected stall in seq_read_iter (2) mm 1 C inconclusive error 8 147d 276d 💬 1 [275d]
WARNING: ODEBUG bug in __folio_put (2) usb mm -1 syz 27 96d 277d
INFO: rcu detected stall in vma_link_file mm usb input 1 syz 1 282d 278d 💬 6 [276d]
INFO: rcu detected stall in sys_mprotect (8) mm 1 syz done 77 7h52m 281d
WARNING in vms_complete_munmap_vmas mm -1 C 2396 38d 284d 💬 1 [36d]
WARNING in page_counter_cancel (5) mm -1 C 15 65d 288d 💬 1 [287d]
INFO: rcu detected stall in kjournald2 (2) mm 1 C error error 73 4d13h 289d
INFO: rcu detected stall in vhci_release mm 1 syz done done 12 77d 294d
INFO: rcu detected stall in shmem_fault (6) mm 1 C 126 3d13h 303d PATCH [285d]
INFO: rcu detected stall in sys_execve (6) mm 1 syz done 52 12d 305d
INFO: rcu detected stall in x64_sys_call mm 1 syz error 323 1d00h 313d
BUG: corrupted list in add_to_unbuddied mm 8 syz 43 120d 314d 💬 4 [274d]
KMSAN: uninit-value in sw842_compress mm 7 C 65 27d 314d 💬 3 [247d]
INFO: task hung in hugetlb_fault mm 1 C done 65 31d 315d 💬 2 [280d]
kernel BUG in z3fold_page_migrate mm -1 syz 354 113d 318d
INFO: task hung in page_cache_ra_unbounded (2) mm fs 1 C done 3641 12d 320d 💬 1 [5d16h]
INFO: task hung in hugetlb_wp mm 1 C done inconclusive 94 146d 337d
INFO: rcu detected stall in kcov_close mm 1 121 15h05m 341d
kernel panic: System is deadlocked on memory (2) mm 2 48 1d14h 341d
INFO: rcu detected stall in vm_mmap_pgoff mm 1 92 11d 342d PATCH [285d]
BUG: unable to handle kernel paging request in free_unref_page mm 8 syz 2 190d 413d
possible deadlock in __mmap_lock_do_trace_acquire_returned (2) mm 4 C error inconclusive 621 355d 418d
WARNING in shmem_evict_inode (3) mm -1 43 15d 420d
INFO: rcu detected stall in sys_sendto (7) mm net 1 C error 278 7d01h 424d
BUG: Bad rss-counter state (5) bcachefs mm -1 C done 2365 6d15h 432d 💬 3 [5d16h]
INFO: rcu detected stall in validate_mm (3) mm 1 C error 35 8d00h 433d 💬 5 [375d]
possible deadlock in gup_fast_fallback ntfs3 mm 4 C done 2605 15m 454d 💬 1 [5d16h]
inconsistent lock state in __mmap_lock_do_trace_acquire_returned mm 4 C error inconclusive 498 365d 471d 💬 2 [351d]
INFO: rcu detected stall in sys_clone (8) mm 1 C error 283 1h48m 477d 💬 10 [24d]
INFO: rcu detected stall in asm_exc_page_fault mm 1 syz error error 4 107d 497d 💬 3 [351d]
WARNING in kunmap_local_indexed mm -1 C 2204 1h31m 509d
INFO: rcu detected stall in sys_syslog (2) mm 1 C error 39 33d 515d
BUG: soft lockup in pipe_read fs mm 1 syz 5 164d 541d
INFO: task hung in _vm_unmap_aliases (3) mm 1 C 571 4d10h 557d
INFO: rcu detected stall in dput (8) mm 1 C done 409 18h02m 566d
INFO: rcu detected stall in sys_socket (10) mm 1 C done 128 1d13h 597d 💬 6 [592d]
BUG: spinlock recursion in try_to_wake_up mm crypto 4 C 9 331d 614d
INFO: rcu detected stall in sys_unshare (9) mm 1 C inconclusive done 46 8h25m 616d 💬 1 [130d]
INFO: rcu detected stall in worker_thread (9) mm netfilter 1 C done 3856 4h02m 651d PATCH [644d]
BUG: unable to handle kernel NULL pointer dereference in __kmap_local_page_prot mm 10 C 138 373d 654d PATCH [2d12h]
kernel BUG in filemap_unaccount_folio mm -1 C done error 403 11h54m 682d 💬 4 [227d]
INFO: rcu detected stall in sys_openat (3) mm 1 C error 422 6h29m 685d
INFO: rcu detected stall in sys_unlink (3) mm tomoyo 1 C error 188 1d22h 705d
KCSAN: data-race in generic_fillattr / shmem_mknod (2) mm 6 syz 760 243d 817d 💬 21 [257d]
KCSAN: data-race in __filemap_remove_folio / folio_mapping (2) mm 6 613 13h10m 817d 💬 6 [5d16h]
possible deadlock in filemap_fault mm 4 C done 2890 16h53m 989d 💬 4 [5d16h]
INFO: rcu detected stall in sys_newfstatat (4) mm 1 C error 433 18h42m 998d 💬 1 [340d]
memory leak in xas_create mm 3 C 15 577d 1106d 💬 9 [612d]
WARNING in ext4_dirty_folio mm -1 C inconclusive done 25826 9d10h 1211d 💬 2 [5d16h]
INFO: task hung in do_read_cache_folio mm block kasan 1 C error error 179 757d 1258d 💬 3 [744d]
INFO: task can't die in wait_on_page_bit_common mm fs 1 C done 5 1433d 1786d
KASAN: use-after-free Read in corrupted (4) mm 19 C done error 14 150d 1803d 💬 2 [1144d]
INFO: task hung in do_read_cache_page (3) fs mm 1 C done inconclusive 88 1103d 2000d 💬 2 [1894d]
moderation (58):
Title Rank 🛈 Repro Cause bisect Fix bisect Count Last Reported Discussions
general protection fault in vma_start_read mm 2 1 6d13h 2d13h
general protection fault in dup_mmap mm 2 1 6d17h 2d17h
KCSAN: data-race in munlock_folio / need_mlock_drain (7) mm 6 1 7d10h 7d10h
KCSAN: data-race in copy_mm / vms_complete_munmap_vmas mm 6 1 8d18h 8d18h
KCSAN: data-race in copy_mm / vma_complete mm 6 1 9d15h 9d15h
KCSAN: data-race in getrusage / try_to_unmap_one (3) mm 6 1 21d 21d
KCSAN: data-race in __filemap_add_folio / invalidate_bdev (9) fs mm 6 1 24d 24d
KCSAN: data-race in __wb_update_bandwidth / percpu_counter_add_batch (10) mm fs 6 2 6d00h 27d
BUG: unable to handle kernel paging request in handle_softirqs (2) mm wireless 8 2 12d 28d
WARNING: kernel/workqueue.c:LINE at __queue_work, CPU: syz.NUM.NUM/NUM mm -1 1 32d 28d
KCSAN: data-race in __mmput / copy_mm mm 6 1 32d 32d
KCSAN: data-race in copy_mm / dup_mmap mm 6 1 34d 34d
KCSAN: data-race in copy_process / memcpy_and_pad mm 6 1 38d 38d
KCSAN: data-race in _copy_to_iter / copy_folio_from_iter_atomic mm 6 1 38d 38d
kernel panic: stack is corrupted in shmem_undo_range mm 2 1 45d 41d
KCSAN: data-race in __xa_clear_mark / file_write_and_wait_range (3) fs mm 6 1 51d 51d
general protection fault in asm_sysvec_reschedule_ipi mm fs 2 1 55d 51d
KCSAN: data-race in __writeback_single_inode / xas_clear_mark (7) fs mm 6 5 25d 56d
KCSAN: data-race in filemap_write_and_wait_range / xas_clear_mark (2) fs mm 6 3 35d 58d
KCSAN: data-race in __percpu_counter_init_many / copy_mm mm 6 5 4d12h 61d
KCSAN: data-race in try_to_unmap_one / try_to_unmap_one (3) mm 6 2 30d 69d
KMSAN: uninit-value in __folio_cancel_dirty mm fs 7 1 76d 72d
KCSAN: data-race in mlock_folio / need_mlock_drain (7) mm 6 3 34d 76d
BUG: soft lockup in dev_ioctl (2) mm 1 4 18d 78d
upstream test error: KCSAN: data-race in __xa_clear_mark / xas_find_marked (3) fs mm -1 3 21d 80d
KCSAN: data-race in mas_replace_node / mas_state_walk (2) mm 6 20 6d14h 81d
general protection fault in lru_gen_test_recent mm 2 2 70d 81d
KCSAN: data-race in do_sync_mmap_readahead / do_sync_mmap_readahead (8) mm ext4 6 3 14d 83d
KCSAN: data-race in mas_state_walk / mas_wr_store_entry mm 6 40 2d23h 83d
KCSAN: data-race in mas_state_walk / mas_wmb_replace (3) mm 6 83 6h12m 85d
KCSAN: data-race in call_rcu / mas_state_walk (2) mm 6 88 7h03m 85d
possible deadlock in page_cache_ra_unbounded (2) fs mm 4 3 17d 93d
KCSAN: data-race in __anon_vma_prepare / handle_mm_fault (5) mm 6 5 3d17h 96d
KCSAN: data-race in exec_mmap / vms_clear_ptes (3) mm 6 3 49d 96d
KCSAN: data-race in __xa_set_mark / filemap_write_and_wait_range mm fs 6 5 1d15h 109d
KCSAN: data-race in _copy_from_iter / _copy_from_iter (5) mm 6 24 8d05h 110d
KCSAN: data-race in xas_find_marked / xas_init_marks (5) mm 6 7 15d 121d
KCSAN: data-race in filemap_write_and_wait_range / xas_set_mark (2) fs mm 6 94 1d15h 164d
KCSAN: data-race in fill_mg_cmtime / shmem_symlink mm 6 67 6d22h 239d
KCSAN: data-race in fill_mg_cmtime / shmem_mknod mm 6 269 6h29m 241d
KCSAN: data-race in fill_mg_cmtime / shmem_unlink mm 6 70 1d03h 242d
KCSAN: data-race in file_write_and_wait_range / xas_set_mark (2) fs mm 6 489 13h16m 242d
KCSAN: data-race in shmem_fallocate / shmem_fault (9) mm 6 56 5h13m 275d
KCSAN: data-race in __delete_from_swap_cache / folio_mapping (5) mm 6 46 3d09h 278d
KCSAN: data-race in getrusage / vms_clear_ptes mm 6 168 1d18h 299d 💬 1 [126d]
KCSAN: data-race in shmem_add_to_page_cache / shmem_getattr (5) mm 6 116 4d20h 379d
KCSAN: data-race in shmem_getattr / shmem_recalc_inode mm 6 108 7h41m 379d
KCSAN: data-race in __filemap_remove_folio / nr_blockdev_pages (5) mm 6 87 19h04m 381d
KCSAN: data-race in __writeback_single_inode / xas_set_mark (6) fs mm 6 514 3d13h 438d
KCSAN: data-race in mlock_new_folio / need_mlock_drain (3) mm 6 66 11d 464d
KCSAN: data-race in __lru_add_drain_all / folios_put_refs mm 6 139 11h08m 468d
KCSAN: data-race in shmem_file_splice_read / shmem_file_splice_read mm 6 1629 13h16m 588d
KCSAN: data-race in __lru_add_drain_all / folio_add_lru mm 6 1405 1d00h 1313d
KCSAN: data-race in __xa_clear_mark / xas_find_marked (2) mm fs 6 4716 11h49m 1484d
KCSAN: data-race in __xa_set_mark / xas_find_marked fs mm 6 1527 2d21h 1758d
KCSAN: data-race in xas_clear_mark / xas_find_marked (2) fs mm 6 4086 2d18h 2048d
KCSAN: data-race in xas_find_marked / xas_set_mark mm fs 6 2066 1d02h 2053d
corrupted report (2) mm -1 949555 now 2656d