syzbot

 sign-in | mailing list | source | docs
🐞 Open [1584]
≡ Subsystems
🐞 Fixed [6384]
🐞 Invalid [16262]
⬇ Missing Backports [196]
≡ Crashes
Kernel Health Bugs/Month Bug Lifetimes Fuzzing
Total Repo Heatmap Subsystems Heatmap
💬 Send us feedback

Applied filters: Label=subsystems:mm (drop)
open (117):
Title Rank 🛈 Repro Cause bisect Fix bisect Count Last Reported Discussions
possible deadlock in lock_next_vma mm 4 3 15m 2d00h
INFO: rcu detected stall in wb_workfn (4) mm 1 30 6d17h 2d17h
WARNING: lock held when returning to user space in lock_next_vma mm 4 C done 2 22h09m 5d13h 💬 11 [3d01h]
stack segment fault in mtree_range_walk mm 2 C done 6 10h50m 5d13h 💬 1 [5d06h]
WARNING in move_to_new_folio (2) mm -1 C 140 40m 5d13h 💬 1 [5d12h]
WARNING in path_noexec mm fs -1 C done 4439 6m 6d19h PATCH [5d23h]
WARNING in xfs_init_fs_context mm -1 4 10d 14d 💬 8 [5d21h]
INFO: rcu detected stall in exit_to_user_mode_loop mm 1 syz 59 2h21m 22d
WARNING: bad unlock balance in move_pgt_entry mm 4 C done 8 27d 26d 💬 1 [26d]
possible deadlock in upgrade_mmap_lock_carefully (2) ntfs3 mm 4 C error 6 17d 35d PATCH [4d16h]
INFO: rcu detected stall in sys_unlinkat (3) mm 1 31 12d 37d
BUG: soft lockup in sys_sendmsg (2) scsi mm block 1 8 10d 39d
KASAN: slab-use-after-free Read in __list_lru_walk_one (2) mm 19 1 46d 40d
WARNING: bad unlock balance in copy_process mm 4 3 27d 43d
INFO: rcu detected stall in vm_area_alloc (6) mm 1 syz error 3 21d 44d
possible deadlock in __vma_start_write mm 4 1 49d 45d 💬 10 [38d]
BUG: unable to handle kernel paging request in percpu_ref_get_many (2) cgroups mm 8 23 5d03h 50d 💬 1 [15d]
INFO: rcu detected stall in vms_gather_munmap_vmas mm 1 syz error 36 1d14h 60d
INFO: rcu detected stall in ext4_end_io_rsv_work (3) ext4 mm 1 C error 2 36d 62d
INFO: rcu detected stall in wg_packet_handshake_receive_worker (3) wireguard mm 1 syz error 6 24d 70d
INFO: rcu detected stall in nsim_fib_event_work mm 1 C error 3 19d 73d
BUG: Bad page state in page_cache_ra_order mm -1 C 18 2d17h 73d
KCSAN: data-race in copy_mm / copy_page_range mm 6 3 21d 76d
INFO: task hung in exit_mmap (2) mm 1 C done error 10 37m 79d
kernel BUG in __filemap_add_folio fs mm -1 C done 117 2h41m 80d
BUG: soft lockup in sys_bpf mm 1 18 15h26m 82d
INFO: task hung in page_cache_ra_order fs mm 1 C done 32 15h00m 82d 💬 1 [82d]
BUG: sleeping function called from invalid context in emon mm 5 1 99d 95d
BUG: soft lockup in cfg80211_wext_siwfreq mm kasan 1 2 47d 97d
KCSAN: data-race in mem_cgroup_track_foreign_dirty_slowpath / mem_cgroup_track_foreign_dirty_slowpath (7) mm 6 4 30d 103d
INFO: rcu detected stall in clone (7) mm 1 47 1d08h 109d
general protection fault in xas_create bcachefs mm 2 syz 2 70d 119d
WARNING: bad unlock balance in __mm_populate xfs mm 4 C 52 118d 133d 💬 12 [120d]
KASAN: global-out-of-bounds Read in get_mem_cgroup_from_mm mm cgroups 17 C 2 69d 133d
WARNING in get_dump_page ext4 mm -1 C done error 5 124d 137d
KASAN: slab-out-of-bounds Read in folio_try_get bcachefs mm 17 C 3 129d 149d 💬 2 [149d]
INFO: task hung in rmap_walk_file mm 1 C error 19 27d 156d
UBSAN: shift-out-of-bounds in xas_reload bcachefs mm -1 C 4 143d 157d 💬 2 [148d]
KASAN: slab-use-after-free Read in list_lru_del mm 19 syz done 16 11d 157d
INFO: rcu detected stall in sys_mkdir (9) ext4 mm 1 syz done 2 32d 170d
INFO: rcu detected stall in task_numa_work (2) bpf mm 1 C error error 17 43d 191d
KASAN: slab-use-after-free Read in filemap_map_pages xfs mm 19 C inconclusive 8 45d 194d 💬 1 [193d]
INFO: task hung in hugetlbfs_zero_partial_page mm fs 1 syz done 3 22d 204d
INFO: rcu detected stall in sys_mkdirat (2) mm 1 44 8d09h 209d
BUG: unable to handle kernel NULL pointer dereference in deactivate_slab (2) mm 10 9 61d 212d
WARNING in __folio_rmap_sanity_checks (2) xfs mm -1 C inconclusive 13 10d 215d 💬 26 [48d]
INFO: rcu detected stall in mas_preallocate (2) mm 1 syz done 7 7d10h 216d 💬 6 [126d]
INFO: rcu detected stall in sys_umount (3) mm 1 syz done 39 16d 217d
possible deadlock in balance_pgdat (2) scsi mm 4 C 4 187d 221d 💬 1 [178d]
INFO: rcu detected stall in sys_symlinkat (5) mm 1 syz error 64 6h06m 222d
INFO: rcu detected stall in sys_sendmmsg (7) mm tipc 1 77 7h37m 225d
KASAN: slab-use-after-free Read in folio_evictable (3) gfs2 mm 19 C 44 1d00h 230d 💬 7 [160d]
INFO: rcu detected stall in sys_mmap (3) mm 1 C error 23 2d03h 230d
INFO: rcu detected stall in sys_setsockopt (4) mm 1 C done inconclusive 30 1d16h 230d
BUG: corrupted list in list_lru_add mm 19 syz 13 2d11h 233d
INFO: rcu detected stall in security_file_ioctl (9) tomoyo mm 1 75 5d16h 234d
BUG: Bad page state in iomap_write_begin xfs mm -1 C 265 1d12h 235d 💬 4 [18d]
kernel BUG in resv_map_release (3) mm -1 C 18 13d 244d 💬 1 [243d]
INFO: rcu detected stall in sys_pipe2 (2) mm 1 syz done 96 3d23h 245d
KCSAN: data-race in folios_put_refs / need_mlock_drain (2) mm 6 22 1d18h 251d
INFO: rcu detected stall in brk (2) mm 1 syz 2 193d 255d 💬 8 [254d]
INFO: rcu detected stall in kthreadd (2) mm 1 C unreliable 75 15d 257d
WARNING in get_taint (2) mm -1 C 363 230d 261d
INFO: rcu detected stall in sys_readlink (5) mm fs 1 syz done 31 19d 268d
INFO: rcu detected stall in seq_read_iter (2) mm 1 C inconclusive error 8 141d 270d 💬 1 [269d]
WARNING: ODEBUG bug in __folio_put (2) usb mm -1 syz 27 90d 271d
INFO: rcu detected stall in vma_link_file mm usb input 1 syz 1 276d 272d 💬 6 [270d]
INFO: rcu detected stall in sys_mprotect (8) mm 1 syz done 76 12h24m 275d
WARNING in vms_complete_munmap_vmas mm -1 C 2396 32d 278d 💬 1 [30d]
WARNING in page_counter_cancel (5) mm -1 C 15 59d 282d 💬 1 [281d]
INFO: rcu detected stall in kjournald2 (2) mm 1 C error error 72 21d 283d
INFO: rcu detected stall in vhci_release mm 1 syz done done 12 71d 288d
INFO: rcu detected stall in shmem_fault (6) mm 1 C 124 1d07h 297d PATCH [279d]
INFO: rcu detected stall in sys_execve (6) mm 1 syz done 52 7d03h 299d
INFO: rcu detected stall in x64_sys_call mm 1 syz error 320 2d13h 307d
BUG: corrupted list in add_to_unbuddied mm 8 syz 43 114d 308d 💬 4 [268d]
KMSAN: uninit-value in sw842_compress mm 7 C 65 21d 309d 💬 3 [241d]
INFO: task hung in hugetlb_fault mm 1 C done 65 25d 310d 💬 2 [274d]
kernel BUG in z3fold_page_migrate mm -1 syz 354 107d 313d
INFO: task hung in page_cache_ra_unbounded (2) mm fs 1 C done 3641 6d19h 315d 💬 1 [30d]
INFO: task hung in hugetlb_wp mm 1 C done inconclusive 94 140d 331d
INFO: rcu detected stall in kcov_close mm 1 117 13h01m 335d
kernel panic: System is deadlocked on memory (2) mm 2 46 7d08h 335d
INFO: rcu detected stall in vm_mmap_pgoff mm 1 92 5d15h 336d PATCH [279d]
BUG: unable to handle kernel paging request in free_unref_page mm 8 syz 2 185d 407d
possible deadlock in __mmap_lock_do_trace_acquire_returned (2) mm 4 C error inconclusive 621 349d 413d
WARNING in shmem_evict_inode (3) mm -1 43 9d13h 415d
INFO: rcu detected stall in sys_sendto (7) mm net 1 C error 278 1d09h 418d
BUG: Bad rss-counter state (5) bcachefs mm -1 C done 2365 23h22m 426d 💬 3 [30d]
INFO: rcu detected stall in validate_mm (3) mm 1 C error 35 2d08h 427d 💬 5 [369d]
possible deadlock in gup_fast_fallback ntfs3 mm 4 C done 2554 1h41m 449d 💬 1 [30d]
inconsistent lock state in __mmap_lock_do_trace_acquire_returned mm 4 C error inconclusive 498 359d 466d 💬 2 [345d]
INFO: rcu detected stall in sys_clone (8) mm 1 C error 280 1d21h 472d 💬 10 [18d]
INFO: rcu detected stall in asm_exc_page_fault mm 1 syz error error 4 101d 491d 💬 3 [345d]
WARNING in kunmap_local_indexed mm -1 C 2135 1h29m 503d
INFO: rcu detected stall in sys_syslog (2) mm 1 C error 39 28d 509d
BUG: soft lockup in pipe_read fs mm 1 syz 5 158d 536d
INFO: task hung in _vm_unmap_aliases (3) mm 1 C 570 2d14h 551d
INFO: rcu detected stall in dput (8) mm 1 C done 404 now 560d
INFO: rcu detected stall in sys_socket (10) mm 1 C done 126 2d22h 591d 💬 6 [587d]
BUG: spinlock recursion in try_to_wake_up mm crypto 4 C 9 326d 608d
INFO: rcu detected stall in sys_unshare (9) mm 1 C inconclusive done 45 13d 611d 💬 1 [124d]
INFO: rcu detected stall in worker_thread (9) mm netfilter 1 C done 3828 2h22m 645d PATCH [638d]
BUG: unable to handle kernel NULL pointer dereference in __kmap_local_page_prot mm 10 C 138 367d 648d
kernel BUG in filemap_unaccount_folio mm -1 C done error 398 11h20m 676d 💬 4 [221d]
INFO: rcu detected stall in sys_openat (3) mm 1 C error 417 19h48m 679d
INFO: rcu detected stall in sys_unlink (3) mm tomoyo 1 C error 187 10d 700d
KCSAN: data-race in generic_fillattr / shmem_mknod (2) mm 6 syz 760 237d 811d 💬 21 [251d]
KCSAN: data-race in __filemap_remove_folio / folio_mapping (2) mm 6 607 9h08m 811d 💬 6 [30d]
possible deadlock in filemap_fault mm 4 C done 2879 6h48m 983d 💬 4 [30d]
INFO: rcu detected stall in sys_newfstatat (4) mm 1 C error 430 7d02h 993d 💬 1 [334d]
memory leak in xas_create mm 3 C 15 571d 1100d 💬 9 [607d]
WARNING in ext4_dirty_folio mm -1 C inconclusive done 25826 3d18h 1205d 💬 2 [30d]
INFO: task hung in do_read_cache_folio mm block kasan 1 C error error 179 751d 1253d 💬 3 [738d]
INFO: task can't die in wait_on_page_bit_common mm fs 1 C done 5 1427d 1780d
KASAN: use-after-free Read in corrupted (4) mm 19 C done error 14 144d 1797d 💬 2 [1138d]
INFO: task hung in do_read_cache_page (3) fs mm 1 C done inconclusive 88 1097d 1995d 💬 2 [1888d]
moderation (57):
Title Rank 🛈 Repro Cause bisect Fix bisect Count Last Reported Discussions
KCSAN: data-race in munlock_folio / need_mlock_drain (7) mm 6 1 1d17h 1d17h
KCSAN: data-race in copy_mm / vms_complete_munmap_vmas mm 6 1 3d01h 3d01h
KCSAN: data-race in copy_mm / vma_complete mm 6 1 3d23h 3d23h
KCSAN: data-race in getrusage / try_to_unmap_one (3) mm 6 1 15d 15d
KCSAN: data-race in __filemap_add_folio / invalidate_bdev (9) fs mm 6 1 19d 19d
KCSAN: data-race in __wb_update_bandwidth / percpu_counter_add_batch (10) mm fs 6 2 8h14m 21d
BUG: unable to handle kernel paging request in handle_softirqs (2) mm 8 2 7d00h 22d
WARNING: kernel/workqueue.c:LINE at __queue_work, CPU: syz.NUM.NUM/NUM mm -1 1 26d 22d
KCSAN: data-race in __mmput / copy_mm mm 6 1 26d 26d
KCSAN: data-race in copy_mm / dup_mmap mm 6 1 28d 28d
KCSAN: data-race in copy_process / memcpy_and_pad mm 6 1 32d 32d
KCSAN: data-race in _copy_to_iter / copy_folio_from_iter_atomic mm 6 1 32d 32d
kernel panic: stack is corrupted in shmem_undo_range mm 2 1 40d 36d
KCSAN: data-race in __xa_clear_mark / file_write_and_wait_range (3) fs mm 6 1 46d 46d
general protection fault in asm_sysvec_reschedule_ipi mm fs 2 1 50d 46d
KCSAN: data-race in __writeback_single_inode / xas_clear_mark (7) fs mm 6 5 19d 50d
KCSAN: data-race in filemap_write_and_wait_range / xas_clear_mark (2) fs mm 6 3 30d 52d
KCSAN: data-race in getrusage / try_to_migrate_one (2) mm 6 1 54d 54d
KCSAN: data-race in __percpu_counter_init_many / copy_mm ext4 mm 6 4 22d 55d
KCSAN: data-race in try_to_unmap_one / try_to_unmap_one (3) mm 6 2 24d 63d
KMSAN: uninit-value in __folio_cancel_dirty mm fs 7 1 71d 67d
KCSAN: data-race in mlock_folio / need_mlock_drain (7) mm 6 3 28d 71d
BUG: soft lockup in dev_ioctl (2) mm 1 4 12d 72d
upstream test error: KCSAN: data-race in __xa_clear_mark / xas_find_marked (3) fs mm -1 3 15d 74d
KCSAN: data-race in mas_replace_node / mas_state_walk (2) mm 6 20 21h51m 75d
general protection fault in lru_gen_test_recent mm 2 2 64d 76d
KCSAN: data-race in do_sync_mmap_readahead / do_sync_mmap_readahead (8) mm ext4 6 3 8d13h 77d
KCSAN: data-race in mas_state_walk / mas_wr_store_entry mm 6 38 21h01m 78d
KCSAN: data-race in mas_state_walk / mas_wmb_replace (3) mm 6 76 7h37m 79d
KCSAN: data-race in call_rcu / mas_state_walk (2) mm 6 84 1d07h 79d
possible deadlock in page_cache_ra_unbounded (2) fs mm 4 3 12d 87d
KCSAN: data-race in __anon_vma_prepare / handle_mm_fault (5) mm 6 4 10h30m 90d
KCSAN: data-race in exec_mmap / vms_clear_ptes (3) mm 6 3 44d 91d
KCSAN: data-race in __xa_set_mark / filemap_write_and_wait_range mm fs 6 3 53d 103d
KCSAN: data-race in _copy_from_iter / _copy_from_iter (5) mm 6 24 2d12h 104d
KCSAN: data-race in xas_find_marked / xas_init_marks (5) mm 6 7 9d18h 116d
KCSAN: data-race in filemap_write_and_wait_range / xas_set_mark (2) fs mm 6 92 9h05m 159d
KCSAN: data-race in fill_mg_cmtime / shmem_symlink mm 6 67 1d05h 234d
KCSAN: data-race in fill_mg_cmtime / shmem_mknod mm 6 264 7h56m 235d
KCSAN: data-race in fill_mg_cmtime / shmem_unlink mm 6 67 17d 236d
KCSAN: data-race in file_write_and_wait_range / xas_set_mark (2) fs mm 6 484 9h07m 237d
KCSAN: data-race in shmem_fallocate / shmem_fault (9) mm 6 54 1h04m 270d
KCSAN: data-race in __delete_from_swap_cache / folio_mapping (5) mm 6 45 21h24m 273d
KCSAN: data-race in getrusage / vms_clear_ptes mm 6 164 2d10h 294d 💬 1 [120d]
KCSAN: data-race in shmem_add_to_page_cache / shmem_getattr (5) mm 6 115 1d14h 373d
KCSAN: data-race in shmem_getattr / shmem_recalc_inode mm 6 106 5h05m 374d
KCSAN: data-race in __filemap_remove_folio / nr_blockdev_pages (5) mm 6 84 6d07h 375d
KCSAN: data-race in __writeback_single_inode / xas_set_mark (6) fs mm 6 513 3h55m 432d
KCSAN: data-race in mlock_new_folio / need_mlock_drain (3) mm 6 66 5d20h 459d
KCSAN: data-race in __lru_add_drain_all / folios_put_refs mm 6 136 10h09m 462d
KCSAN: data-race in shmem_file_splice_read / shmem_file_splice_read mm 6 1605 11h20m 583d
KCSAN: data-race in __lru_add_drain_all / folio_add_lru mm 6 1398 1d05h 1307d
KCSAN: data-race in __xa_clear_mark / xas_find_marked (2) mm fs 6 4707 11h50m 1478d
KCSAN: data-race in __xa_set_mark / xas_find_marked fs mm 6 1526 16d 1752d
KCSAN: data-race in xas_clear_mark / xas_find_marked (2) fs mm 6 4085 4d15h 2042d
KCSAN: data-race in xas_find_marked / xas_set_mark mm fs 6 2059 9h08m 2048d
corrupted report (2) mm -1 945525 now 2650d