syzbot

 sign-in | mailing list | source | docs | 🏰
🐞 Open [1351]
≡ Subsystems
🐞 Fixed [7076]
🐞 Invalid [18610]
⬇ Missing Backports [221]
≡ Crashes
Kernel Health Bugs/Month Bug Lifetimes Fuzzing
Total Repo Heatmap Subsystems Heatmap
✨ AI
💬 Send us feedback

Applied filters: Label=subsystems:mm (drop)
open (133) 🔗
Title Rank 🛈 Repro Cause bisect Fix bisect Count Last Reported Discussions
WARNING: lock held when returning to user space in do_fault mm 4 2 2d14h 7h22m
WARNING: bad unlock balance in finish_fault mm 4 1 4d12h 12h16m
WARNING: bad unlock balance in do_wp_page mm 4 3 10m 3d21h 💬 9 [2d18h]
WARNING: lock held when returning to user space in __pte_offset_map mm 4 11 15h15m 4d20h
WARNING: bad unlock balance in __zap_vma_range mm 4 4 1d01h 5d09h
WARNING: bad unlock balance in folios_put_refs mm 4 1 10d 6d00h
BUG: sleeping function called from invalid context in shmem_undo_range mm 5 1 6d23h 6d05h 💬 2 [5d19h]
BUG: sleeping function called from invalid context in tlb_flush_mmu arch mm 5 1 7d00h 6d05h
possible deadlock in rhashtable_free_and_destroy mm 4 3 4d06h 8d14h PATCH [21h25m]
BUG: sleeping function called from invalid context in __zap_vma_range mm 5 2 6d07h 9d08h 💬 2 [8d08h]
KCSAN: data-race in mas_wr_store_entry / mtree_range_walk (2) mm 6 19 1h01m 12d 💬 5 [6d13h]
INFO: rcu detected stall in kcov_ioctl (3) mm 1 30 25d 21d 💬 1 [21d]
WARNING: bad unlock balance in lruvec_stat_mod_folio mm cgroups 4 1 26d 22d PATCH [14d]
KASAN: slab-use-after-free Read in madvise_walk_vmas mm 19 8 28d 29d 💬 3 [29d]
KASAN: use-after-free Read in copy_folio_from_iter_atomic (2) mm 19 C error 3973 now 30d PATCH [5d09h]
WARNING in page_counter_uncharge (2) mm cgroups -1 C error 7 13d 33d PATCH [4d02h]
general protection fault in zap_huge_pmd mm 2 C 7 41d 42d 💬 9 [41d]
KMSAN: uninit-value in copy_from_kernel_nofault mm 7 6 8d01h 44d 💬 3 [44d]
possible deadlock in mfill_get_vma mm 4 C 287 1d18h 45d PATCH [45d]
WARNING: suspicious RCU usage in usb_tx_block mm 4 4 18d 52d
INFO: rcu detected stall in __dentry_kill mm 1 97 2h19m 57d
possible deadlock in lock_mm_and_find_vma (4) mm 4 1039 25m 62d 💬 2 [7d20h]
INFO: rcu detected stall in sys_rename (8) mm 1 syz 10 68d 64d
WARNING in __kfence_free (4) mm kasan -1 1 69d 65d
WARNING in __put_task_struct (6) mm -1 5 18d 65d
kernel BUG in __page_table_check_zero (3) mm -1 256 2d10h 70d
INFO: rcu detected stall in sendfile64 mm 1 37 2d04h 74d
kernel BUG in __khugepaged_enter mm -1 5 77d 74d 💬 4 [71d]
KMSAN: uninit-value in follow_page_pte mm 7 1 79d 75d PATCH [5d12h]
KASAN: slab-use-after-free Read in mas_walk mm 19 C 1 77d 76d 💬 6 [75d]
memory leak in __kfree_rcu_sheaf mm exfat f2fs 3 syz 1 80d 79d 💬 22 [40d]
BUG: Bad rss-counter state (6) mm -1 100 14h01m 81d
KASAN: wild-memory-access Read in lookup_swap_cgroup_id (2) cgroups mm 17 4 19d 82d 💬 3 [18d]
kernel BUG in page_table_check_set (2) mm -1 640 2d22h 83d 💬 1 [81d]
INFO: rcu detected stall in vma_merge_new_range (3) bpf mm 1 syz error error 2 9d05h 93d
INFO: rcu detected stall in schedule_tail (8) mm 1 C error error 1 94d 93d
WARNING in unlink_anon_vmas (2) mm -1 C error 30 37d 101d PATCH [101d]
KASAN: slab-use-after-free Read in lookup_object_or_alloc (3) mm virt 19 10 98d 104d PATCH [100d]
INFO: rcu detected stall in __mmap_complete mm 1 syz error error 7 80d 115d
KMSAN: uninit-value in swap_writeout mm 7 8 84d 128d PATCH [113d]
INFO: rcu detected stall in sys_newfstat (4) tomoyo mm 1 C error 20 9d15h 129d
INFO: rcu detected stall in sys_io_uring_enter (3) mm 1 46 38d 131d
INFO: rcu detected stall in finish_dput mm 1 C error error 138 100d 136d
BUG: sleeping function called from invalid context in kvm_mmu_notifier_invalidate_range_start mm 5 4 53d 142d PATCH [1h04m]
WARNING in sched_mm_cid_fork mm fs -1 C error error 332 85d 148d PATCH [126d]
INFO: rcu detected stall in call_usermodehelper_exec_async (4) mm 1 C error 10 33d 153d
WARNING in __page_table_check_ptes_set (3) mm -1 6 39d 167d
general protection fault in __rt_mutex_slowlock_locked mm 2 24 16d 169d
kernel BUG in filemap_fault (3) net mm -1 C error error 15 86d 182d
INFO: rcu detected stall in sys_symlink (6) mm 1 C error inconclusive 5 108d 184d
INFO: rcu detected stall in shmem_file_write_iter (3) mm 1 C 78 27d 190d
INFO: task hung in migrate_pages_batch (4) mm 1 120 19d 197d
WARNING in path_noexec (2) fs mm -1 C error 25063 8h18m 211d PATCH [201d]
WARNING in ext4_mb_load_buddy_gfp ext4 mm -1 C 7 60d 226d PATCH [217d]
KMSAN: uninit-value in __run_timer_base (2) mm 22 13 59d 231d PATCH [228d]
INFO: rcu detected stall in sys_madvise (2) mm 1 55 7d03h 242d
INFO: task hung in writeback_iter (3) mm fs 1 C error error 18 17d 244d PATCH [99d]
WARNING in __alloc_skb (4) mm -1 C 8 47d 245d PATCH [221d]
INFO: rcu detected stall in sys_mount (8) mm 1 C error 30 2d21h 245d 💬 1 [245d]
INFO: rcu detected stall in sys_munmap (2) mm 1 C error error 43 2d21h 251d 💬 7 [131d]
KASAN: slab-use-after-free Read in lru_add (2) mm 19 C error 12 4d06h 268d
WARNING in trace_suspend_resume mm -1 C 2902 31m 272d 💬 1 [28d]
INFO: rcu detected stall in kernfs_fop_open (7) kernfs mm 1 C error error 6 50d 275d
INFO: rcu detected stall in devtmpfsd (3) mm 1 C error inconclusive 4 99d 283d 💬 2 [282d]
INFO: rcu detected stall in sock_close (5) fs mm tipc 1 syz error 59 3d09h 287d
INFO: rcu detected stall in linkwatch_event (5) mm net 1 syz error error 3 120d 308d
INFO: rcu detected stall in exit_to_user_mode_loop mm 1 C error 485 1d08h 312d 💬 1 [275d]
INFO: rcu detected stall in vm_area_alloc (6) mm 1 syz error error 11 6d16h 334d
INFO: rcu detected stall in vms_gather_munmap_vmas mm 1 syz error error 55 21d 350d
INFO: rcu detected stall in ext4_end_io_rsv_work (3) mm ext4 1 C error error 3 115d 352d
INFO: rcu detected stall in wg_packet_handshake_receive_worker (3) mm 1 syz error error 17 3d09h 360d
INFO: rcu detected stall in nsim_fib_event_work mm 1 C error error 7 109d 363d
INFO: task hung in exit_mmap (2) mm 1 C done error 59 8d20h 369d
kernel BUG in __filemap_add_folio fs mm -1 C done 1929 3h03m 370d PATCH [133d]
BUG: soft lockup in sys_bpf mm 1 C error 145 4h28m 372d
INFO: task hung in page_cache_ra_order fs mm 1 C done 100 4d07h 372d 💬 1 [372d]
INFO: rcu detected stall in clone (7) mm 1 101 2d13h 399d
INFO: rcu detected stall in sys_mkdir (9) mm 1 syz done error 5 112d 460d
INFO: rcu detected stall in task_numa_work (2) bpf mm 1 C error error 23 48d 481d
INFO: rcu detected stall in mas_preallocate (2) mm 1 syz done error 9 124d 506d 💬 6 [416d]
INFO: rcu detected stall in sys_umount (3) mm 1 C done error 55 7d10h 507d 💬 2 [254d]
possible deadlock in balance_pgdat (2) scsi mm 4 C 4 477d 511d 💬 1 [468d]
INFO: rcu detected stall in sys_sendmmsg (7) mm 1 115 2d22h 515d
KASAN: slab-use-after-free Read in folio_evictable (3) gfs2 mm 19 C 75 92d 520d 💬 7 [163d]
INFO: rcu detected stall in sys_mmap (3) mm 1 C error error 61 2d05h 520d
INFO: rcu detected stall in sys_setsockopt (4) mm 1 C done inconclusive 70 10d 520d
BUG: corrupted list in list_lru_add gfs2 mm 19 C inconclusive 401 79d 523d PATCH [110d]
INFO: rcu detected stall in security_file_ioctl (9) mm 1 syz error 131 15d 524d
INFO: rcu detected stall in sys_pipe2 (2) mm 1 syz done done 115 11d 535d
INFO: rcu detected stall in brk (2) mm 1 syz 3 15d 545d 💬 8 [544d]
INFO: rcu detected stall in kthreadd (2) mm 1 C unreliable error 113 30d 547d
INFO: rcu detected stall in sys_readlink (5) kernfs mm 1 syz done error 47 27d 558d
INFO: rcu detected stall in seq_read_iter (2) mm 1 C inconclusive error 9 155d 560d 💬 1 [559d]
WARNING: ODEBUG bug in __folio_put (2) usb mm -1 syz 28 273d 561d
INFO: rcu detected stall in sys_mprotect (8) mm 1 syz done 109 30d 565d
INFO: rcu detected stall in kjournald2 (2) mm 1 C error error 82 6d13h 573d
INFO: rcu detected stall in vhci_release mm 1 syz done done 13 70d 578d
INFO: rcu detected stall in shmem_fault (6) mm 1 C 232 1d21h 587d PATCH [569d]
INFO: rcu detected stall in sys_execve (6) mm 1 C done error 77 50d 589d
INFO: rcu detected stall in x64_sys_call mm 1 C error 536 1d08h 597d
BUG: corrupted list in add_to_unbuddied mm 8 syz 43 404d 598d 💬 4 [558d]
KMSAN: uninit-value in sw842_compress mm 7 C 107 79d 599d 💬 3 [188d]
kernel BUG in z3fold_page_migrate mm -1 syz 354 397d 603d
INFO: task hung in page_cache_ra_unbounded (2) fs mm 1 C done error 3651 97d 605d 💬 1 [100d]
INFO: rcu detected stall in kcov_close mm 1 191 6d23h 625d
kernel panic: System is deadlocked on memory (2) mm 2 145 3d23h 625d
INFO: rcu detected stall in vm_mmap_pgoff mm 1 111 55d 626d PATCH [569d]
WARNING in drm_mode_create_lease_ioctl mm -1 C inconclusive error 81 11d 672d PATCH [453d]
INFO: rcu detected stall in addrconf_rs_timer (6) virt mm netfilter 1 syz error error 701 15d 697d
WARNING in shmem_evict_inode (3) mm -1 83 16h30m 705d
INFO: rcu detected stall in sendmsg (4) mm 1 C error error 63 55d 705d
INFO: rcu detected stall in sys_sendto (7) mm 1 C error error 362 15h34m 708d
INFO: rcu detected stall in validate_mm (3) mm 1 C error error 38 125d 717d 💬 5 [659d]
inconsistent lock state in __mmap_lock_do_trace_acquire_returned mm 4 C error inconclusive 498 649d 756d 💬 2 [635d]
INFO: rcu detected stall in sys_clone (8) mm 1 C error 405 10d 762d 💬 10 [308d]
INFO: rcu detected stall in sys_syslog (2) mm 1 C error error 43 143d 799d
BUG: soft lockup in pipe_read mm fs 1 syz 5 448d 826d
INFO: task hung in _vm_unmap_aliases (3) mm 1 C 691 5d07h 841d
INFO: rcu detected stall in sys_recvmmsg (3) mm 1 240 5d20h 862d
INFO: rcu detected stall in sys_socket (10) mm 1 C done 229 3d21h 881d 💬 6 [877d]
BUG: spinlock recursion in try_to_wake_up mm crypto 4 C 9 616d 898d
INFO: rcu detected stall in sys_unshare (9) mm 1 C inconclusive done 137 6d14h 901d 💬 1 [62d]
BUG: unable to handle kernel NULL pointer dereference in __kmap_local_page_prot mm 10 C 138 657d 938d PATCH [278d]
kernel BUG in filemap_unaccount_folio mm -1 C done error 492 47d 966d 💬 4 [195d]
INFO: rcu detected stall in sys_openat (3) mm 1 C error 575 20h52m 969d
INFO: rcu detected stall in sys_unlink (3) tomoyo mm 1 C error 370 23h50m 990d
KCSAN: data-race in __filemap_remove_folio / folio_mapping (2) mm 6 984 11h34m 1101d PATCH [37d]
INFO: rcu detected stall in sys_newfstatat (4) mm tomoyo 1 C error 526 12h40m 1283d 💬 1 [132d]
memory leak in xas_create mm 3 C 40 8d00h 1390d PATCH [156d]
WARNING in ext4_dirty_folio mm -1 C inconclusive done 25877 5d16h 1495d 💬 2 [7d20h]
INFO: task hung in do_read_cache_folio kasan mm block 1 C error error 179 1041d 1543d 💬 3 [1028d]
INFO: task can't die in wait_on_page_bit_common fs mm 1 C done 5 1717d 2070d
INFO: task hung in do_read_cache_page (3) fs mm 1 C done inconclusive 88 1387d 2284d 💬 2 [2178d]
moderation (37) 🔗
Title Rank 🛈 Repro Cause bisect Fix bisect Count Last Reported Discussions
KCSAN: data-race in __anon_vma_prepare / handle_mm_fault (6) mm 6 1 4d14h 4d14h
KASAN: slab-use-after-free Read in debug_check_no_obj_freed mm 19 1 10d 6d08h
KCSAN: data-race in mas_walk / mas_wmb_replace (2) mm 6 5 6d22h 12d
KCSAN: data-race in mas_wmb_replace / mtree_range_walk (2) mm 6 10 4d00h 13d
KCSAN: data-race in fprop_reflect_period_percpu / fprop_reflect_period_percpu (9) mm fs 6 2 15d 24d
KCSAN: data-race in copy_process / memcpy_and_pad (3) mm 6 2 34d 39d
KCSAN: data-race in __wb_update_bandwidth / percpu_counter_add_batch (11) fs mm 6 1 44d 44d
KCSAN: data-race in filemap_write_and_wait_range / xas_set_mark (4) fs mm 6 1 48d 48d
upstream test error: KCSAN: data-race in __xa_clear_mark / xas_find_marked (5) mm fs -1 3 36d 56d
KCSAN: data-race in __filemap_add_folio / invalidate_bdev (11) mm fs 6 2 39d 71d
KCSAN: data-race in copy_mm / lru_gen_del_mm mm 6 4 54d 101d
KCSAN: data-race in shmem_fallocate / shmem_writeout mm 6 59 2d13h 102d
KCSAN: data-race in copy_mm / copy_page_range (3) mm 6 8 11d 173d
KCSAN: data-race in __percpu_counter_init_many / copy_mm (2) mm 6 24 4d06h 227d
KCSAN: data-race in xas_find_marked / xas_init_marks (6) ext4 mm 6 19 12d 236d
KCSAN: data-race in mas_state_walk / mas_wr_store_entry mm 6 131 14d 368d
KCSAN: data-race in mas_state_walk / mas_wmb_replace (3) mm 6 414 14d 369d
KCSAN: data-race in _copy_from_iter / _copy_from_iter (5) mm 6 146 3d18h 394d
KCSAN: data-race in fill_mg_cmtime / shmem_symlink mm 6 149 2d05h 524d
KCSAN: data-race in fill_mg_cmtime / shmem_mknod mm 6 532 1d09h 525d
KCSAN: data-race in file_write_and_wait_range / xas_set_mark (2) mm fs 6 922 1d02h 527d
KCSAN: data-race in shmem_fallocate / shmem_fault (9) mm 6 114 10d 560d
KCSAN: data-race in shmem_add_to_page_cache / shmem_getattr (5) mm 6 200 1d11h 663d
KCSAN: data-race in shmem_getattr / shmem_recalc_inode mm 6 202 2d13h 664d
KCSAN: data-race in __filemap_remove_folio / nr_blockdev_pages (5) mm 6 147 5d00h 665d
KCSAN: data-race in __writeback_single_inode / xas_set_mark (6) mm fs 6 853 28d 722d
KCSAN: data-race in mlock_new_folio / need_mlock_drain (3) mm 6 89 22d 749d
KCSAN: data-race in __lru_add_drain_all / folios_put_refs mm 6 201 6d15h 752d
KCSAN: data-race in __filemap_add_folio / nr_blockdev_pages (3) ext4 mm 6 169 2d10h 872d
KCSAN: data-race in shmem_file_splice_read / shmem_file_splice_read race:benign mm 6 2596 21h05m 873d
KCSAN: data-race in __filemap_add_folio / filemap_write_and_wait_range mm 6 962 5d07h 1574d
KCSAN: data-race in __lru_add_drain_all / folio_add_lru mm 6 1852 5h29m 1597d
KCSAN: data-race in __xa_clear_mark / xas_find_marked (2) fs mm 6 5266 8h53m 1768d
KCSAN: data-race in __xa_set_mark / xas_find_marked fs mm 6 1656 1d14h 2042d
KCSAN: data-race in xas_clear_mark / xas_find_marked (2) fs mm 6 4137 47m 2332d
KCSAN: data-race in xas_find_marked / xas_set_mark mm fs 6 2530 11d 2338d
corrupted report (2) hfs kasan mm -1 1104764 now 2940d