syzbot

 sign-in | mailing list | source | docs
🐞 Open [1573]
≡ Subsystems
🐞 Fixed [6404]
🐞 Invalid [16286]
⬇ 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
KASAN: slab-use-after-free Read in mas_next_slot (2) mm 19 C done 3 1d03h 15h54m 💬 6 [5h31m]
general protection fault in mas_start mm 2 C error 1 3d22h 2d16h 💬 1 [2d07h]
possible deadlock in lock_next_vma mm 4 C 4 2d17h 5d03h 💬 4 [4h57m]
INFO: rcu detected stall in wb_workfn (4) mm 1 30 9d20h 5d20h
WARNING: lock held when returning to user space in lock_next_vma mm 4 C done 3 16h40m 8d15h 💬 11 [6d04h]
stack segment fault in mtree_range_walk mm 2 C done 6 3d13h 8d15h 💬 1 [8d09h]
WARNING in move_to_new_folio (2) mm -1 C 195 1h05m 8d15h 💬 1 [8d15h]
WARNING in path_noexec mm fs -1 C done 5815 16m 9d22h PATCH [9d02h]
WARNING in xfs_init_fs_context mm -1 6 1d17h 17d 💬 8 [9d00h]
INFO: rcu detected stall in exit_to_user_mode_loop mm 1 syz 64 1h55m 25d
WARNING: bad unlock balance in move_pgt_entry mm 4 C done 8 30d 30d 💬 1 [29d]
possible deadlock in upgrade_mmap_lock_carefully (2) ntfs3 mm 4 C error 6 21d 38d PATCH [7d19h]
INFO: rcu detected stall in sys_unlinkat (3) mm 1 31 15d 40d
BUG: soft lockup in sys_sendmsg (2) scsi mm block 1 8 13d 42d
KASAN: slab-use-after-free Read in __list_lru_walk_one (2) mm 19 1 50d 43d
WARNING: bad unlock balance in copy_process mm 4 3 30d 46d
INFO: rcu detected stall in vm_area_alloc (6) mm 1 syz error 3 24d 48d
possible deadlock in __vma_start_write mm 4 1 52d 48d 💬 10 [41d]
BUG: unable to handle kernel paging request in percpu_ref_get_many (2) cgroups mm 8 23 8d06h 53d 💬 1 [18d]
INFO: rcu detected stall in vms_gather_munmap_vmas mm 1 syz error 37 1d05h 63d
INFO: rcu detected stall in ext4_end_io_rsv_work (3) ext4 mm 1 C error 2 39d 66d
INFO: rcu detected stall in wg_packet_handshake_receive_worker (3) wireguard mm 1 syz error 6 27d 73d
INFO: rcu detected stall in nsim_fib_event_work mm 1 C error 3 22d 76d
BUG: Bad page state in page_cache_ra_order mm -1 C 19 1d06h 76d
KCSAN: data-race in copy_mm / copy_page_range mm 6 3 25d 80d
INFO: task hung in exit_mmap (2) mm 1 C done error 11 1d04h 83d
kernel BUG in __filemap_add_folio fs mm -1 C done 138 9h36m 83d
BUG: soft lockup in sys_bpf mm 1 18 3d18h 85d
INFO: task hung in page_cache_ra_order fs mm 1 C done 33 3d00h 85d 💬 1 [85d]
BUG: soft lockup in cfg80211_wext_siwfreq mm kasan 1 2 50d 100d
KCSAN: data-race in mem_cgroup_track_foreign_dirty_slowpath / mem_cgroup_track_foreign_dirty_slowpath (7) mm 6 4 33d 107d
INFO: rcu detected stall in clone (7) mm 1 47 4d11h 112d
general protection fault in xas_create bcachefs mm 2 syz 2 73d 122d
WARNING: bad unlock balance in __mm_populate xfs mm 4 C 52 121d 136d 💬 12 [123d]
KASAN: global-out-of-bounds Read in get_mem_cgroup_from_mm mm cgroups 17 C 2 73d 136d
WARNING in get_dump_page ext4 mm -1 C done error 5 127d 140d
KASAN: slab-out-of-bounds Read in folio_try_get bcachefs mm 17 C 3 132d 152d 💬 2 [152d]
INFO: task hung in rmap_walk_file mm 1 C error 19 30d 160d
UBSAN: shift-out-of-bounds in xas_reload bcachefs mm -1 C 4 146d 160d 💬 2 [151d]
KASAN: slab-use-after-free Read in list_lru_del mm 19 syz done 17 9h57m 160d
INFO: rcu detected stall in sys_mkdir (9) ext4 mm 1 syz done 2 35d 173d
INFO: rcu detected stall in task_numa_work (2) bpf mm 1 C error error 17 46d 194d
KASAN: slab-use-after-free Read in filemap_map_pages xfs mm 19 C inconclusive 8 49d 197d 💬 1 [197d]
INFO: task hung in hugetlbfs_zero_partial_page fs mm 1 syz done 3 25d 207d
INFO: rcu detected stall in sys_mkdirat (2) mm 1 44 11d 212d
BUG: unable to handle kernel NULL pointer dereference in deactivate_slab (2) mm 10 9 65d 216d
WARNING in __folio_rmap_sanity_checks (2) xfs mm -1 C inconclusive 13 13d 218d 💬 26 [51d]
INFO: rcu detected stall in mas_preallocate (2) mm 1 syz done 7 10d 220d 💬 6 [129d]
INFO: rcu detected stall in sys_umount (3) mm 1 syz done 39 19d 221d
possible deadlock in balance_pgdat (2) scsi mm 4 C 4 190d 224d 💬 1 [181d]
INFO: rcu detected stall in sys_symlinkat (5) mm 1 syz error 65 2d15h 225d
INFO: rcu detected stall in sys_sendmmsg (7) mm tipc 1 77 3d10h 228d
KASAN: slab-use-after-free Read in folio_evictable (3) gfs2 mm 19 C 44 4d03h 233d 💬 7 [3d02h]
INFO: rcu detected stall in sys_mmap (3) mm 1 C error 23 5d06h 233d
INFO: rcu detected stall in sys_setsockopt (4) mm 1 C done inconclusive 30 4d19h 234d
BUG: corrupted list in list_lru_add mm 19 syz 13 5d14h 236d
INFO: rcu detected stall in security_file_ioctl (9) tomoyo mm 1 75 8d19h 237d
BUG: Bad page state in iomap_write_begin xfs mm -1 C 267 17h08m 239d 💬 4 [21d]
kernel BUG in resv_map_release (3) mm -1 C 18 2d08h 247d 💬 1 [246d]
INFO: rcu detected stall in sys_pipe2 (2) mm 1 syz done 96 7d02h 248d
KCSAN: data-race in folios_put_refs / need_mlock_drain (2) mm 6 22 4d21h 254d
INFO: rcu detected stall in brk (2) mm 1 syz 2 196d 258d 💬 8 [257d]
INFO: rcu detected stall in kthreadd (2) mm 1 C unreliable 77 11h16m 260d
WARNING in get_taint (2) mm -1 C 363 233d 264d
INFO: rcu detected stall in sys_readlink (5) mm fs 1 syz done 31 22d 271d
INFO: rcu detected stall in seq_read_iter (2) mm 1 C inconclusive error 8 144d 273d 💬 1 [272d]
WARNING: ODEBUG bug in __folio_put (2) usb mm -1 syz 27 94d 274d
INFO: rcu detected stall in vma_link_file mm usb input 1 syz 1 279d 275d 💬 6 [274d]
INFO: rcu detected stall in sys_mprotect (8) mm 1 syz done 76 3d15h 279d
WARNING in vms_complete_munmap_vmas mm -1 C 2396 36d 281d 💬 1 [33d]
WARNING in page_counter_cancel (5) mm -1 C 15 62d 285d 💬 1 [284d]
INFO: rcu detected stall in kjournald2 (2) mm 1 C error error 73 1d23h 287d
INFO: rcu detected stall in vhci_release mm 1 syz done done 12 74d 291d
INFO: rcu detected stall in shmem_fault (6) mm 1 C 126 1d00h 300d PATCH [282d]
INFO: rcu detected stall in sys_execve (6) mm 1 syz done 52 10d 302d
INFO: rcu detected stall in x64_sys_call mm 1 syz error 322 11h10m 310d
BUG: corrupted list in add_to_unbuddied mm 8 syz 43 117d 311d 💬 4 [272d]
KMSAN: uninit-value in sw842_compress mm 7 C 65 25d 312d 💬 3 [244d]
INFO: task hung in hugetlb_fault mm 1 C done 65 29d 313d 💬 2 [277d]
kernel BUG in z3fold_page_migrate mm -1 syz 354 110d 316d
INFO: task hung in page_cache_ra_unbounded (2) mm fs 1 C done 3641 9d22h 318d 💬 1 [3d02h]
INFO: task hung in hugetlb_wp mm 1 C done inconclusive 94 143d 334d
INFO: rcu detected stall in kcov_close mm 1 120 53m 338d
kernel panic: System is deadlocked on memory (2) mm 2 47 17h32m 338d
INFO: rcu detected stall in vm_mmap_pgoff mm 1 92 8d18h 340d PATCH [282d]
BUG: unable to handle kernel paging request in free_unref_page mm 8 syz 2 188d 410d
possible deadlock in __mmap_lock_do_trace_acquire_returned (2) mm 4 C error inconclusive 621 352d 416d
WARNING in shmem_evict_inode (3) mm -1 43 12d 418d
INFO: rcu detected stall in sys_sendto (7) mm net 1 C error 278 4d11h 421d
BUG: Bad rss-counter state (5) bcachefs mm -1 C done 2365 4d02h 429d 💬 3 [3d02h]
INFO: rcu detected stall in validate_mm (3) mm 1 C error 35 5d11h 431d 💬 5 [373d]
possible deadlock in gup_fast_fallback ntfs3 mm 4 C done 2578 1h26m 452d 💬 1 [3d02h]
inconsistent lock state in __mmap_lock_do_trace_acquire_returned mm 4 C error inconclusive 498 362d 469d 💬 2 [348d]
INFO: rcu detected stall in sys_clone (8) mm 1 C error 281 3d02h 475d 💬 10 [21d]
INFO: rcu detected stall in asm_exc_page_fault mm 1 syz error error 4 105d 494d 💬 3 [349d]
WARNING in kunmap_local_indexed mm -1 C 2171 16h30m 506d
INFO: rcu detected stall in sys_syslog (2) mm 1 C error 39 31d 512d
BUG: soft lockup in pipe_read fs mm 1 syz 5 161d 539d
INFO: task hung in _vm_unmap_aliases (3) mm 1 C 571 1d20h 554d
INFO: rcu detected stall in dput (8) mm 1 C done 408 11h16m 563d
INFO: rcu detected stall in sys_socket (10) mm 1 C done 127 2d21h 594d 💬 6 [590d]
BUG: spinlock recursion in try_to_wake_up mm crypto 4 C 9 329d 611d
INFO: rcu detected stall in sys_unshare (9) mm 1 C inconclusive done 45 16d 614d 💬 1 [127d]
INFO: rcu detected stall in worker_thread (9) mm netfilter 1 C done 3846 22m 648d PATCH [642d]
BUG: unable to handle kernel NULL pointer dereference in __kmap_local_page_prot mm 10 C 138 371d 651d PATCH [2d01h]
kernel BUG in filemap_unaccount_folio mm -1 C done error 402 23h55m 679d 💬 4 [224d]
INFO: rcu detected stall in sys_openat (3) mm 1 C error 420 14h37m 682d
INFO: rcu detected stall in sys_unlink (3) mm tomoyo 1 C error 187 13d 703d
KCSAN: data-race in generic_fillattr / shmem_mknod (2) mm 6 syz 760 240d 815d 💬 21 [254d]
KCSAN: data-race in __filemap_remove_folio / folio_mapping (2) mm 6 610 13h04m 815d 💬 6 [3d02h]
possible deadlock in filemap_fault mm 4 C done 2887 19h48m 986d 💬 4 [3d02h]
INFO: rcu detected stall in sys_newfstatat (4) mm 1 C error 432 14h19m 996d 💬 1 [337d]
memory leak in xas_create mm 3 C 15 574d 1104d 💬 9 [610d]
WARNING in ext4_dirty_folio mm -1 C inconclusive done 25826 6d21h 1208d 💬 2 [3d02h]
INFO: task hung in do_read_cache_folio mm block kasan 1 C error error 179 754d 1256d 💬 3 [741d]
INFO: task can't die in wait_on_page_bit_common mm fs 1 C done 5 1430d 1783d
KASAN: use-after-free Read in corrupted (4) mm 19 C done error 14 148d 1800d 💬 2 [1141d]
INFO: task hung in do_read_cache_page (3) fs mm 1 C done inconclusive 88 1100d 1998d 💬 2 [1891d]
moderation (57):
Title Rank 🛈 Repro Cause bisect Fix bisect Count Last Reported Discussions
general protection fault in dup_mmap mm 2 1 4d03h 3h47m
KCSAN: data-race in munlock_folio / need_mlock_drain (7) mm 6 1 4d20h 4d20h
KCSAN: data-race in copy_mm / vms_complete_munmap_vmas mm 6 1 6d04h 6d04h
KCSAN: data-race in copy_mm / vma_complete mm 6 1 7d02h 7d02h
KCSAN: data-race in getrusage / try_to_unmap_one (3) mm 6 1 18d 18d
KCSAN: data-race in __filemap_add_folio / invalidate_bdev (9) fs mm 6 1 22d 22d
KCSAN: data-race in __wb_update_bandwidth / percpu_counter_add_batch (10) mm fs 6 2 3d11h 24d
BUG: unable to handle kernel paging request in handle_softirqs (2) mm wireless 8 2 10d 26d
WARNING: kernel/workqueue.c:LINE at __queue_work, CPU: syz.NUM.NUM/NUM mm -1 1 30d 26d
KCSAN: data-race in __mmput / copy_mm mm 6 1 29d 29d
KCSAN: data-race in copy_mm / dup_mmap mm 6 1 32d 32d
KCSAN: data-race in copy_process / memcpy_and_pad mm 6 1 35d 35d
KCSAN: data-race in _copy_to_iter / copy_folio_from_iter_atomic mm 6 1 35d 35d
kernel panic: stack is corrupted in shmem_undo_range mm 2 1 43d 39d
KCSAN: data-race in __xa_clear_mark / file_write_and_wait_range (3) fs mm 6 1 49d 49d
general protection fault in asm_sysvec_reschedule_ipi mm fs 2 1 53d 49d
KCSAN: data-race in __writeback_single_inode / xas_clear_mark (7) fs mm 6 5 22d 53d
KCSAN: data-race in filemap_write_and_wait_range / xas_clear_mark (2) fs mm 6 3 33d 56d
KCSAN: data-race in __percpu_counter_init_many / copy_mm ext4 mm 6 5 1d22h 58d
KCSAN: data-race in try_to_unmap_one / try_to_unmap_one (3) mm 6 2 27d 66d
KMSAN: uninit-value in __folio_cancel_dirty mm fs 7 1 74d 70d
KCSAN: data-race in mlock_folio / need_mlock_drain (7) mm 6 3 31d 74d
BUG: soft lockup in dev_ioctl (2) mm 1 4 15d 75d
upstream test error: KCSAN: data-race in __xa_clear_mark / xas_find_marked (3) fs mm -1 3 18d 78d
KCSAN: data-race in mas_replace_node / mas_state_walk (2) mm 6 20 4d00h 78d
general protection fault in lru_gen_test_recent mm 2 2 67d 79d
KCSAN: data-race in do_sync_mmap_readahead / do_sync_mmap_readahead (8) mm ext4 6 3 11d 80d
KCSAN: data-race in mas_state_walk / mas_wr_store_entry mm 6 40 9h37m 81d
KCSAN: data-race in mas_state_walk / mas_wmb_replace (3) mm 6 79 1h42m 82d
KCSAN: data-race in call_rcu / mas_state_walk (2) mm 6 85 2h00m 82d
possible deadlock in page_cache_ra_unbounded (2) fs mm 4 3 15d 90d
KCSAN: data-race in __anon_vma_prepare / handle_mm_fault (5) mm 6 5 1d04h 93d
KCSAN: data-race in exec_mmap / vms_clear_ptes (3) mm 6 3 47d 94d
KCSAN: data-race in __xa_set_mark / filemap_write_and_wait_range mm fs 6 4 1d14h 106d
KCSAN: data-race in _copy_from_iter / _copy_from_iter (5) mm 6 24 5d15h 107d
KCSAN: data-race in xas_find_marked / xas_init_marks (5) mm 6 7 12d 119d
KCSAN: data-race in filemap_write_and_wait_range / xas_set_mark (2) fs mm 6 93 2d07h 162d
KCSAN: data-race in fill_mg_cmtime / shmem_symlink mm 6 67 4d08h 237d
KCSAN: data-race in fill_mg_cmtime / shmem_mknod mm 6 266 7h24m 239d
KCSAN: data-race in fill_mg_cmtime / shmem_unlink mm 6 69 1d01h 239d
KCSAN: data-race in file_write_and_wait_range / xas_set_mark (2) fs mm 6 486 1d00h 240d
KCSAN: data-race in shmem_fallocate / shmem_fault (9) mm 6 54 3d03h 273d
KCSAN: data-race in __delete_from_swap_cache / folio_mapping (5) mm 6 46 20h10m 276d
KCSAN: data-race in getrusage / vms_clear_ptes mm 6 166 16m 297d 💬 1 [123d]
KCSAN: data-race in shmem_add_to_page_cache / shmem_getattr (5) mm 6 116 2d07h 376d
KCSAN: data-race in shmem_getattr / shmem_recalc_inode mm 6 106 3d07h 377d
KCSAN: data-race in __filemap_remove_folio / nr_blockdev_pages (5) mm 6 86 5h15m 379d
KCSAN: data-race in __writeback_single_inode / xas_set_mark (6) fs mm 6 514 1d00h 436d
KCSAN: data-race in mlock_new_folio / need_mlock_drain (3) mm 6 66 8d23h 462d
KCSAN: data-race in __lru_add_drain_all / folios_put_refs mm 6 138 12h55m 465d
KCSAN: data-race in shmem_file_splice_read / shmem_file_splice_read mm 6 1621 8h00m 586d
KCSAN: data-race in __lru_add_drain_all / folio_add_lru mm 6 1402 8h37m 1310d
KCSAN: data-race in __xa_clear_mark / xas_find_marked (2) mm fs 6 4713 8h39m 1481d
KCSAN: data-race in __xa_set_mark / xas_find_marked fs mm 6 1527 8h07m 1756d
KCSAN: data-race in xas_clear_mark / xas_find_marked (2) fs mm 6 4086 5h14m 2045d
KCSAN: data-race in xas_find_marked / xas_set_mark mm fs 6 2063 1d00h 2051d
corrupted report (2) mm -1 947603 now 2653d