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possible deadlock in ocfs2_extend_allocation

Status: upstream: reported C repro on 2025/07/16 17:32
Bug presence: origin:upstream
Labels: missing-backport
[Documentation on labels]
Reported-by: syzbot+dfa4f987ad5d214d451e@syzkaller.appspotmail.com
First crash: 200d, last: 22d
Fix bisection: the issue occurs on the latest tested release (bisect log)
Crash: possible deadlock in ocfs2_extend_allocation (log)
Repro: syz .config
  
▶ ▼ Bug presence (3)
Date Name Commit Repro Result
2025/12/29 linux-6.1.y (ToT) 50cbba13faa2 syz [report] possible deadlock in ocfs2_extend_allocation
2025/11/11 upstream (ToT) 4427259cc7f7 syz [report] possible deadlock in ocfs2_extend_allocation
2025/12/29 upstream (ToT) 7839932417dd syz Didn't crash
▶ ▼ Similar bugs (2)
Kernel Title Rank 🛈 Repro Cause bisect Fix bisect Count Last Reported Patched Status
linux-5.15 possible deadlock in ocfs2_extend_allocation origin:upstream 4 syz 30 14d 199d 0/3 upstream: reported syz repro on 2025/07/17 00:00
upstream possible deadlock in ocfs2_extend_allocation ocfs2 4 C 12 81d 196d 0/29 upstream: reported C repro on 2025/07/20 14:32
▶ ▼ Fix bisection attempts (2)
Created Duration User Patch Repo Result
2026/01/25 03:13 2m fix candidate upstream error job log
2025/11/22 19:03 2h36m bisect fix linux-6.1.y OK (0) job log log

Sample crash report:
(syz.0.25,4520,0):ocfs2_block_check_validate:402 ERROR: CRC32 failed: stored: 0x98842a5e, computed 0xe74db1cd. Applying ECC.
======================================================
WARNING: possible circular locking dependency detected
syzkaller #0 Not tainted
------------------------------------------------------
syz.0.25/4520 is trying to acquire lock:
ffff0000efb14650 (sb_internal#2){.+.+}-{0:0}, at: ocfs2_extend_allocation+0x5d4/0x15ec fs/ocfs2/file.c:593

but task is already holding lock:
ffff0000e2bdb488 (&ocfs2_sysfile_lock_key[args->fi_sysfile_type]#3){+.+.}-{3:3}, at: inode_lock include/linux/fs.h:758 [inline]
ffff0000e2bdb488 (&ocfs2_sysfile_lock_key[args->fi_sysfile_type]#3){+.+.}-{3:3}, at: ocfs2_reserve_suballoc_bits+0x12c/0x3cd4 fs/ocfs2/suballoc.c:782

which lock already depends on the new lock.


the existing dependency chain (in reverse order) is:

-> #7 (&ocfs2_sysfile_lock_key[args->fi_sysfile_type]#3){+.+.}-{3:3}:
       down_write+0x5c/0x88 kernel/locking/rwsem.c:1573
       inode_lock include/linux/fs.h:758 [inline]
       ocfs2_reserve_suballoc_bits+0x12c/0x3cd4 fs/ocfs2/suballoc.c:782
       ocfs2_reserve_cluster_bitmap_bits fs/ocfs2/suballoc.c:1128 [inline]
       ocfs2_reserve_clusters_with_limit+0x290/0x9e0 fs/ocfs2/suballoc.c:1173
       ocfs2_reserve_clusters fs/ocfs2/suballoc.c:1223 [inline]
       ocfs2_lock_allocators+0x27c/0x518 fs/ocfs2/suballoc.c:2669
       ocfs2_extend_allocation+0x328/0x15ec fs/ocfs2/file.c:585
       ocfs2_extend_no_holes+0x1a8/0x424 fs/ocfs2/file.c:1027
       ocfs2_acquire_dquot+0x550/0xac4 fs/ocfs2/quota_global.c:841
       dqget+0x654/0xccc fs/quota/dquot.c:988
       ocfs2_setattr+0xd9c/0x18d4 fs/ocfs2/file.c:1243
       notify_change+0xb0c/0xdcc fs/attr.c:499
       chown_common+0x414/0x574 fs/open.c:736
       vfs_fchown fs/open.c:804 [inline]
       ksys_fchown+0xe0/0x158 fs/open.c:815
       __do_sys_fchown fs/open.c:823 [inline]
       __se_sys_fchown fs/open.c:821 [inline]
       __arm64_sys_fchown+0x7c/0x94 fs/open.c:821
       __invoke_syscall arch/arm64/kernel/syscall.c:38 [inline]
       invoke_syscall+0x98/0x2bc arch/arm64/kernel/syscall.c:52
       el0_svc_common+0x138/0x258 arch/arm64/kernel/syscall.c:140
       do_el0_svc+0x58/0x13c arch/arm64/kernel/syscall.c:204
       el0_svc+0x58/0x138 arch/arm64/kernel/entry-common.c:637
       el0t_64_sync_handler+0x84/0xf0 arch/arm64/kernel/entry-common.c:655
       el0t_64_sync+0x18c/0x190 arch/arm64/kernel/entry.S:585

-> #6 (&ocfs2_quota_ip_alloc_sem_key){++++}-{3:3}:
       down_write+0x5c/0x88 kernel/locking/rwsem.c:1573
       ocfs2_lock_global_qf+0x1a8/0x22c fs/ocfs2/quota_global.c:314
       ocfs2_acquire_dquot+0x268/0xac4 fs/ocfs2/quota_global.c:816
       dqget+0x654/0xccc fs/quota/dquot.c:988
       ocfs2_setattr+0xd9c/0x18d4 fs/ocfs2/file.c:1243
       notify_change+0xb0c/0xdcc fs/attr.c:499
       chown_common+0x414/0x574 fs/open.c:736
       vfs_fchown fs/open.c:804 [inline]
       ksys_fchown+0xe0/0x158 fs/open.c:815
       __do_sys_fchown fs/open.c:823 [inline]
       __se_sys_fchown fs/open.c:821 [inline]
       __arm64_sys_fchown+0x7c/0x94 fs/open.c:821
       __invoke_syscall arch/arm64/kernel/syscall.c:38 [inline]
       invoke_syscall+0x98/0x2bc arch/arm64/kernel/syscall.c:52
       el0_svc_common+0x138/0x258 arch/arm64/kernel/syscall.c:140
       do_el0_svc+0x58/0x13c arch/arm64/kernel/syscall.c:204
       el0_svc+0x58/0x138 arch/arm64/kernel/entry-common.c:637
       el0t_64_sync_handler+0x84/0xf0 arch/arm64/kernel/entry-common.c:655
       el0t_64_sync+0x18c/0x190 arch/arm64/kernel/entry.S:585

-> #5 (&ocfs2_sysfile_lock_key[args->fi_sysfile_type]#2){+.+.}-{3:3}:
       down_write+0x5c/0x88 kernel/locking/rwsem.c:1573
       inode_lock include/linux/fs.h:758 [inline]
       ocfs2_lock_global_qf+0x18c/0x22c fs/ocfs2/quota_global.c:313
       ocfs2_acquire_dquot+0x268/0xac4 fs/ocfs2/quota_global.c:816
       dqget+0x654/0xccc fs/quota/dquot.c:988
       ocfs2_setattr+0xd9c/0x18d4 fs/ocfs2/file.c:1243
       notify_change+0xb0c/0xdcc fs/attr.c:499
       chown_common+0x414/0x574 fs/open.c:736
       vfs_fchown fs/open.c:804 [inline]
       ksys_fchown+0xe0/0x158 fs/open.c:815
       __do_sys_fchown fs/open.c:823 [inline]
       __se_sys_fchown fs/open.c:821 [inline]
       __arm64_sys_fchown+0x7c/0x94 fs/open.c:821
       __invoke_syscall arch/arm64/kernel/syscall.c:38 [inline]
       invoke_syscall+0x98/0x2bc arch/arm64/kernel/syscall.c:52
       el0_svc_common+0x138/0x258 arch/arm64/kernel/syscall.c:140
       do_el0_svc+0x58/0x13c arch/arm64/kernel/syscall.c:204
       el0_svc+0x58/0x138 arch/arm64/kernel/entry-common.c:637
       el0t_64_sync_handler+0x84/0xf0 arch/arm64/kernel/entry-common.c:655
       el0t_64_sync+0x18c/0x190 arch/arm64/kernel/entry.S:585

-> #4 (&dquot->dq_lock){+.+.}-{3:3}:
       __mutex_lock_common+0x190/0x1f38 kernel/locking/mutex.c:603
       __mutex_lock kernel/locking/mutex.c:747 [inline]
       mutex_lock_nested+0x38/0x44 kernel/locking/mutex.c:799
       wait_on_dquot fs/quota/dquot.c:356 [inline]
       dqget+0x5e4/0xccc fs/quota/dquot.c:983
       dquot_transfer+0x52c/0x6f0 fs/quota/dquot.c:2164
       ext4_setattr+0x7d4/0x150c fs/ext4/inode.c:5516
       notify_change+0xb0c/0xdcc fs/attr.c:499
       chown_common+0x414/0x574 fs/open.c:736
       vfs_fchown fs/open.c:804 [inline]
       ksys_fchown+0xe0/0x158 fs/open.c:815
       __do_sys_fchown fs/open.c:823 [inline]
       __se_sys_fchown fs/open.c:821 [inline]
       __arm64_sys_fchown+0x7c/0x94 fs/open.c:821
       __invoke_syscall arch/arm64/kernel/syscall.c:38 [inline]
       invoke_syscall+0x98/0x2bc arch/arm64/kernel/syscall.c:52
       el0_svc_common+0x138/0x258 arch/arm64/kernel/syscall.c:140
       do_el0_svc+0x58/0x13c arch/arm64/kernel/syscall.c:204
       el0_svc+0x58/0x138 arch/arm64/kernel/entry-common.c:637
       el0t_64_sync_handler+0x84/0xf0 arch/arm64/kernel/entry-common.c:655
       el0t_64_sync+0x18c/0x190 arch/arm64/kernel/entry.S:585

-> #3 (&ei->xattr_sem){.+.+}-{3:3}:
       down_read+0x64/0x304 kernel/locking/rwsem.c:1520
       ext4_setattr+0x7c4/0x150c fs/ext4/inode.c:5515
       notify_change+0xb0c/0xdcc fs/attr.c:499
       chown_common+0x414/0x574 fs/open.c:736
       do_fchownat+0x158/0x268 fs/open.c:767
       __do_sys_fchownat fs/open.c:782 [inline]
       __se_sys_fchownat fs/open.c:779 [inline]
       __arm64_sys_fchownat+0xb8/0xd4 fs/open.c:779
       __invoke_syscall arch/arm64/kernel/syscall.c:38 [inline]
       invoke_syscall+0x98/0x2bc arch/arm64/kernel/syscall.c:52
       el0_svc_common+0x138/0x258 arch/arm64/kernel/syscall.c:140
       do_el0_svc+0x58/0x13c arch/arm64/kernel/syscall.c:204
       el0_svc+0x58/0x138 arch/arm64/kernel/entry-common.c:637
       el0t_64_sync_handler+0x84/0xf0 arch/arm64/kernel/entry-common.c:655
       el0t_64_sync+0x18c/0x190 arch/arm64/kernel/entry.S:585

-> #2 (jbd2_handle){++++}-{0:0}:
       start_this_handle+0xfe0/0x122c fs/jbd2/transaction.c:463
       jbd2__journal_start+0x288/0x51c fs/jbd2/transaction.c:520
       jbd2_journal_start+0x3c/0x4c fs/jbd2/transaction.c:559
       ocfs2_start_trans+0x380/0x6c4 fs/ocfs2/journal.c:376
       ocfs2_modify_bh+0xe4/0x43c fs/ocfs2/quota_local.c:101
       ocfs2_local_read_info+0x102c/0x131c fs/ocfs2/quota_local.c:764
       dquot_load_quota_sb+0x6c4/0xa24 fs/quota/dquot.c:2470
       dquot_load_quota_inode+0x274/0x4e4 fs/quota/dquot.c:2507
       ocfs2_enable_quotas+0x17c/0x3b4 fs/ocfs2/super.c:926
       ocfs2_fill_super+0x3060/0x3e98 fs/ocfs2/super.c:1139
       mount_bdev+0x264/0x358 fs/super.c:1443
       ocfs2_mount+0x44/0x58 fs/ocfs2/super.c:1186
       legacy_get_tree+0xd4/0x16c fs/fs_context.c:632
       vfs_get_tree+0x90/0x274 fs/super.c:1573
       do_new_mount+0x228/0x810 fs/namespace.c:3078
       path_mount+0x5b4/0xe78 fs/namespace.c:3408
       do_mount fs/namespace.c:3421 [inline]
       __do_sys_mount fs/namespace.c:3629 [inline]
       __se_sys_mount fs/namespace.c:3606 [inline]
       __arm64_sys_mount+0x49c/0x584 fs/namespace.c:3606
       __invoke_syscall arch/arm64/kernel/syscall.c:38 [inline]
       invoke_syscall+0x98/0x2bc arch/arm64/kernel/syscall.c:52
       el0_svc_common+0x138/0x258 arch/arm64/kernel/syscall.c:140
       do_el0_svc+0x58/0x13c arch/arm64/kernel/syscall.c:204
       el0_svc+0x58/0x138 arch/arm64/kernel/entry-common.c:637
       el0t_64_sync_handler+0x84/0xf0 arch/arm64/kernel/entry-common.c:655
       el0t_64_sync+0x18c/0x190 arch/arm64/kernel/entry.S:585

-> #1 (&journal->j_trans_barrier){.+.+}-{3:3}:
       down_read+0x64/0x304 kernel/locking/rwsem.c:1520
       ocfs2_start_trans+0x374/0x6c4 fs/ocfs2/journal.c:374
       ocfs2_modify_bh+0xe4/0x43c fs/ocfs2/quota_local.c:101
       ocfs2_local_read_info+0x102c/0x131c fs/ocfs2/quota_local.c:764
       dquot_load_quota_sb+0x6c4/0xa24 fs/quota/dquot.c:2470
       dquot_load_quota_inode+0x274/0x4e4 fs/quota/dquot.c:2507
       ocfs2_enable_quotas+0x17c/0x3b4 fs/ocfs2/super.c:926
       ocfs2_fill_super+0x3060/0x3e98 fs/ocfs2/super.c:1139
       mount_bdev+0x264/0x358 fs/super.c:1443
       ocfs2_mount+0x44/0x58 fs/ocfs2/super.c:1186
       legacy_get_tree+0xd4/0x16c fs/fs_context.c:632
       vfs_get_tree+0x90/0x274 fs/super.c:1573
       do_new_mount+0x228/0x810 fs/namespace.c:3078
       path_mount+0x5b4/0xe78 fs/namespace.c:3408
       do_mount fs/namespace.c:3421 [inline]
       __do_sys_mount fs/namespace.c:3629 [inline]
       __se_sys_mount fs/namespace.c:3606 [inline]
       __arm64_sys_mount+0x49c/0x584 fs/namespace.c:3606
       __invoke_syscall arch/arm64/kernel/syscall.c:38 [inline]
       invoke_syscall+0x98/0x2bc arch/arm64/kernel/syscall.c:52
       el0_svc_common+0x138/0x258 arch/arm64/kernel/syscall.c:140
       do_el0_svc+0x58/0x13c arch/arm64/kernel/syscall.c:204
       el0_svc+0x58/0x138 arch/arm64/kernel/entry-common.c:637
       el0t_64_sync_handler+0x84/0xf0 arch/arm64/kernel/entry-common.c:655
       el0t_64_sync+0x18c/0x190 arch/arm64/kernel/entry.S:585

-> #0 (sb_internal#2){.+.+}-{0:0}:
       check_prev_add kernel/locking/lockdep.c:3090 [inline]
       check_prevs_add kernel/locking/lockdep.c:3209 [inline]
       validate_chain kernel/locking/lockdep.c:3825 [inline]
       __lock_acquire+0x293c/0x6544 kernel/locking/lockdep.c:5049
       lock_acquire+0x20c/0x644 kernel/locking/lockdep.c:5662
       percpu_down_read include/linux/percpu-rwsem.h:51 [inline]
       __sb_start_write include/linux/fs.h:1891 [inline]
       sb_start_intwrite include/linux/fs.h:2013 [inline]
       ocfs2_start_trans+0x20c/0x6c4 fs/ocfs2/journal.c:372
       ocfs2_extend_allocation+0x5d4/0x15ec fs/ocfs2/file.c:593
       ocfs2_extend_no_holes+0x1a8/0x424 fs/ocfs2/file.c:1027
       ocfs2_acquire_dquot+0x550/0xac4 fs/ocfs2/quota_global.c:841
       dqget+0x654/0xccc fs/quota/dquot.c:988
       ocfs2_setattr+0xd9c/0x18d4 fs/ocfs2/file.c:1243
       notify_change+0xb0c/0xdcc fs/attr.c:499
       chown_common+0x414/0x574 fs/open.c:736
       vfs_fchown fs/open.c:804 [inline]
       ksys_fchown+0xe0/0x158 fs/open.c:815
       __do_sys_fchown fs/open.c:823 [inline]
       __se_sys_fchown fs/open.c:821 [inline]
       __arm64_sys_fchown+0x7c/0x94 fs/open.c:821
       __invoke_syscall arch/arm64/kernel/syscall.c:38 [inline]
       invoke_syscall+0x98/0x2bc arch/arm64/kernel/syscall.c:52
       el0_svc_common+0x138/0x258 arch/arm64/kernel/syscall.c:140
       do_el0_svc+0x58/0x13c arch/arm64/kernel/syscall.c:204
       el0_svc+0x58/0x138 arch/arm64/kernel/entry-common.c:637
       el0t_64_sync_handler+0x84/0xf0 arch/arm64/kernel/entry-common.c:655
       el0t_64_sync+0x18c/0x190 arch/arm64/kernel/entry.S:585

other info that might help us debug this:

Chain exists of:
  sb_internal#2 --> &ocfs2_quota_ip_alloc_sem_key --> &ocfs2_sysfile_lock_key[args->fi_sysfile_type]#3

 Possible unsafe locking scenario:

       CPU0                    CPU1
       ----                    ----
  lock(&ocfs2_sysfile_lock_key[args->fi_sysfile_type]#3);
                               lock(&ocfs2_quota_ip_alloc_sem_key);
                               lock(&ocfs2_sysfile_lock_key[args->fi_sysfile_type]#3);
  lock(sb_internal#2);

 *** DEADLOCK ***

6 locks held by syz.0.25/4520:
 #0: ffff0000efb14460 (sb_writers#12){.+.+}-{0:0}, at: mnt_want_write_file+0x64/0x1e8 fs/namespace.c:446
 #1: ffff0000f04c09c8 (&type->i_mutex_dir_key#8){+.+.}-{3:3}, at: inode_lock include/linux/fs.h:758 [inline]
 #1: ffff0000f04c09c8 (&type->i_mutex_dir_key#8){+.+.}-{3:3}, at: chown_common+0x2ac/0x574 fs/open.c:726
 #2: ffff0000e03420a8 (&dquot->dq_lock){+.+.}-{3:3}, at: ocfs2_acquire_dquot+0x25c/0xac4 fs/ocfs2/quota_global.c:811
 #3: ffff0000e2bdd108 (&ocfs2_sysfile_lock_key[args->fi_sysfile_type]#2){+.+.}-{3:3}, at: inode_lock include/linux/fs.h:758 [inline]
 #3: ffff0000e2bdd108 (&ocfs2_sysfile_lock_key[args->fi_sysfile_type]#2){+.+.}-{3:3}, at: ocfs2_lock_global_qf+0x18c/0x22c fs/ocfs2/quota_global.c:313
 #4: ffff0000e2bdcda0 (&ocfs2_quota_ip_alloc_sem_key){++++}-{3:3}, at: ocfs2_lock_global_qf+0x1a8/0x22c fs/ocfs2/quota_global.c:314
 #5: ffff0000e2bdb488 (&ocfs2_sysfile_lock_key[args->fi_sysfile_type]#3){+.+.}-{3:3}, at: inode_lock include/linux/fs.h:758 [inline]
 #5: ffff0000e2bdb488 (&ocfs2_sysfile_lock_key[args->fi_sysfile_type]#3){+.+.}-{3:3}, at: ocfs2_reserve_suballoc_bits+0x12c/0x3cd4 fs/ocfs2/suballoc.c:782

stack backtrace:
CPU: 0 PID: 4520 Comm: syz.0.25 Not tainted syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025
Call trace:
 dump_backtrace+0x1c8/0x1f4 arch/arm64/kernel/stacktrace.c:158
 show_stack+0x2c/0x3c arch/arm64/kernel/stacktrace.c:165
 __dump_stack+0x30/0x40 lib/dump_stack.c:88
 dump_stack_lvl+0xf8/0x160 lib/dump_stack.c:106
 dump_stack+0x1c/0x5c lib/dump_stack.c:113
 print_circular_bug+0x148/0x1b0 kernel/locking/lockdep.c:2048
 check_noncircular+0x240/0x2d4 kernel/locking/lockdep.c:2170
 check_prev_add kernel/locking/lockdep.c:3090 [inline]
 check_prevs_add kernel/locking/lockdep.c:3209 [inline]
 validate_chain kernel/locking/lockdep.c:3825 [inline]
 __lock_acquire+0x293c/0x6544 kernel/locking/lockdep.c:5049
 lock_acquire+0x20c/0x644 kernel/locking/lockdep.c:5662
 percpu_down_read include/linux/percpu-rwsem.h:51 [inline]
 __sb_start_write include/linux/fs.h:1891 [inline]
 sb_start_intwrite include/linux/fs.h:2013 [inline]
 ocfs2_start_trans+0x20c/0x6c4 fs/ocfs2/journal.c:372
 ocfs2_extend_allocation+0x5d4/0x15ec fs/ocfs2/file.c:593
 ocfs2_extend_no_holes+0x1a8/0x424 fs/ocfs2/file.c:1027
 ocfs2_acquire_dquot+0x550/0xac4 fs/ocfs2/quota_global.c:841
 dqget+0x654/0xccc fs/quota/dquot.c:988
 ocfs2_setattr+0xd9c/0x18d4 fs/ocfs2/file.c:1243
 notify_change+0xb0c/0xdcc fs/attr.c:499
 chown_common+0x414/0x574 fs/open.c:736
 vfs_fchown fs/open.c:804 [inline]
 ksys_fchown+0xe0/0x158 fs/open.c:815
 __do_sys_fchown fs/open.c:823 [inline]
 __se_sys_fchown fs/open.c:821 [inline]
 __arm64_sys_fchown+0x7c/0x94 fs/open.c:821
 __invoke_syscall arch/arm64/kernel/syscall.c:38 [inline]
 invoke_syscall+0x98/0x2bc arch/arm64/kernel/syscall.c:52
 el0_svc_common+0x138/0x258 arch/arm64/kernel/syscall.c:140
 do_el0_svc+0x58/0x13c arch/arm64/kernel/syscall.c:204
 el0_svc+0x58/0x138 arch/arm64/kernel/entry-common.c:637
 el0t_64_sync_handler+0x84/0xf0 arch/arm64/kernel/entry-common.c:655
 el0t_64_sync+0x18c/0x190 arch/arm64/kernel/entry.S:585
(syz.0.25,4520,1):ocfs2_block_check_validate:402 ERROR: CRC32 failed: stored: 0xdf8356d3, computed 0xb8c23ae4. Applying ECC.
(syz.0.25,4520,1):ocfs2_block_check_validate:416 ERROR: Fixed CRC32 failed: stored: 0xdf8356d3, computed 0x2acb7e3c
(syz.0.25,4520,1):ocfs2_read_quota_phys_block:160 ERROR: status = -5
(syz.0.25,4520,1):ocfs2_quota_read:201 ERROR: status = -5
Quota error (device loop0): qtree_write_dquot: Error -5 occurred while creating quota
(syz.0.25,4520,1):ocfs2_acquire_dquot:878 ERROR: status = -5

Crashes (63):
Time Kernel Commit Syzkaller Config Log Report Syz repro C repro VM info Assets (help?) Manager Title
2025/12/29 06:44 linux-6.1.y 50cbba13faa2 d6526ea3 .config console log report syz / log [disk image] [vmlinux] [kernel image] [mounted in repro #1 (clean fs)] [mounted in repro #2 (clean fs)] ci2-linux-6-1-kasan-arm64 possible deadlock in ocfs2_extend_allocation
2025/12/21 12:32 linux-6.1.y 50cbba13faa2 d6526ea3 .config console log report syz / log [disk image] [vmlinux] [kernel image] [mounted in repro #1 (clean fs)] [mounted in repro #2 (clean fs)] ci2-linux-6-1-kasan-arm64 possible deadlock in ocfs2_extend_allocation
2025/12/16 02:47 linux-6.1.y 50cbba13faa2 d6526ea3 .config console log report syz / log [disk image] [vmlinux] [kernel image] [mounted in repro #1 (clean fs)] [mounted in repro #2 (clean fs)] ci2-linux-6-1-kasan-arm64 possible deadlock in ocfs2_extend_allocation
2025/08/18 09:58 linux-6.1.y 0bc96de781b4 1804e95e .config console log report syz / log [disk image] [vmlinux] [kernel image] [mounted in repro #1 (clean fs)] [mounted in repro #2 (clean fs)] ci2-linux-6-1-kasan-arm64 possible deadlock in ocfs2_extend_allocation
2026/01/01 17:16 linux-6.1.y 50cbba13faa2 d6526ea3 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan possible deadlock in ocfs2_extend_allocation
2026/01/01 17:09 linux-6.1.y 50cbba13faa2 d6526ea3 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan possible deadlock in ocfs2_extend_allocation
2025/12/27 09:45 linux-6.1.y 50cbba13faa2 d6526ea3 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan possible deadlock in ocfs2_extend_allocation
2025/09/27 11:07 linux-6.1.y 7b34dc04e4ff 001c9061 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan possible deadlock in ocfs2_extend_allocation
2025/09/25 23:06 linux-6.1.y 7b34dc04e4ff 0abd0691 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan possible deadlock in ocfs2_extend_allocation
2025/09/25 23:05 linux-6.1.y 7b34dc04e4ff 0abd0691 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan possible deadlock in ocfs2_extend_allocation
2025/09/23 08:44 linux-6.1.y 363a599da6d9 0ac7291c .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan possible deadlock in ocfs2_extend_allocation
2025/09/19 21:49 linux-6.1.y 363a599da6d9 67c37560 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan possible deadlock in ocfs2_extend_allocation
2025/09/08 18:20 linux-6.1.y 28c695c365e1 d291dd2d .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan possible deadlock in ocfs2_extend_allocation
2025/09/06 15:21 linux-6.1.y 28c695c365e1 d291dd2d .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan possible deadlock in ocfs2_extend_allocation
2025/09/06 15:15 linux-6.1.y 28c695c365e1 d291dd2d .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan possible deadlock in ocfs2_extend_allocation
2025/09/06 15:14 linux-6.1.y 28c695c365e1 d291dd2d .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan possible deadlock in ocfs2_extend_allocation
2025/09/04 06:07 linux-6.1.y f89b6e15694c d291dd2d .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan possible deadlock in ocfs2_extend_allocation
2025/09/04 06:05 linux-6.1.y f89b6e15694c d291dd2d .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan possible deadlock in ocfs2_extend_allocation
2025/08/30 04:08 linux-6.1.y f89b6e15694c 807a3b61 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan possible deadlock in ocfs2_extend_allocation
2025/08/29 15:58 linux-6.1.y f89b6e15694c 3e1beec6 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan possible deadlock in ocfs2_extend_allocation
2025/08/28 04:55 linux-6.1.y 0bc96de781b4 e12e5ba4 .config console log report syz / log C [disk image] [vmlinux] [kernel image] [mounted in repro #1 (corrupt fs)] [mounted in repro #2 (clean fs)] ci2-linux-6-1-kasan possible deadlock in ocfs2_extend_allocation
2025/08/28 02:33 linux-6.1.y 0bc96de781b4 e12e5ba4 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan possible deadlock in ocfs2_extend_allocation
2025/08/28 02:32 linux-6.1.y 0bc96de781b4 e12e5ba4 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan possible deadlock in ocfs2_extend_allocation
2025/08/28 02:22 linux-6.1.y 0bc96de781b4 e12e5ba4 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan possible deadlock in ocfs2_extend_allocation
2025/08/28 02:17 linux-6.1.y 0bc96de781b4 e12e5ba4 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan possible deadlock in ocfs2_extend_allocation
2025/08/23 06:11 linux-6.1.y 0bc96de781b4 bf27483f .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan possible deadlock in ocfs2_extend_allocation
2025/08/19 08:36 linux-6.1.y 0bc96de781b4 523f460e .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan possible deadlock in ocfs2_extend_allocation
2025/08/14 18:22 linux-6.1.y 3594f306da12 5d8c2ac2 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan possible deadlock in ocfs2_extend_allocation
2025/07/29 08:46 linux-6.1.y 3594f306da12 c4a95487 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan possible deadlock in ocfs2_extend_allocation
2026/01/10 14:10 linux-6.1.y 50cbba13faa2 d6526ea3 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan-arm64 possible deadlock in ocfs2_extend_allocation
2026/01/04 21:53 linux-6.1.y 50cbba13faa2 d6526ea3 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan-arm64 possible deadlock in ocfs2_extend_allocation
2025/12/29 05:36 linux-6.1.y 50cbba13faa2 d6526ea3 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan-arm64 possible deadlock in ocfs2_extend_allocation
2025/12/21 11:23 linux-6.1.y 50cbba13faa2 d6526ea3 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan-arm64 possible deadlock in ocfs2_extend_allocation
2025/12/16 01:16 linux-6.1.y 50cbba13faa2 d6526ea3 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan-arm64 possible deadlock in ocfs2_extend_allocation
2025/12/09 10:29 linux-6.1.y 50cbba13faa2 d6526ea3 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan-arm64 possible deadlock in ocfs2_extend_allocation
2025/12/08 19:58 linux-6.1.y 50cbba13faa2 d6526ea3 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan-arm64 possible deadlock in ocfs2_extend_allocation
2025/12/02 14:44 linux-6.1.y f6e38ae624cf d6526ea3 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan-arm64 possible deadlock in ocfs2_extend_allocation
2025/10/22 22:06 linux-6.1.y 8e6e2188d949 c0460fcd .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan-arm64 possible deadlock in ocfs2_extend_allocation
2025/10/21 22:33 linux-6.1.y 8e6e2188d949 9832ed61 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan-arm64 possible deadlock in ocfs2_extend_allocation
2025/10/21 17:13 linux-6.1.y 8e6e2188d949 9832ed61 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan-arm64 possible deadlock in ocfs2_extend_allocation
2025/09/29 19:26 linux-6.1.y 7b34dc04e4ff 86341da6 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan-arm64 possible deadlock in ocfs2_extend_allocation
2025/09/29 17:16 linux-6.1.y 7b34dc04e4ff 86341da6 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan-arm64 possible deadlock in ocfs2_extend_allocation
2025/09/27 03:34 linux-6.1.y 7b34dc04e4ff 001c9061 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan-arm64 possible deadlock in ocfs2_extend_allocation
2025/09/27 02:03 linux-6.1.y 7b34dc04e4ff 001c9061 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan-arm64 possible deadlock in ocfs2_extend_allocation
2025/09/26 09:17 linux-6.1.y 7b34dc04e4ff 0abd0691 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan-arm64 possible deadlock in ocfs2_extend_allocation
2025/09/20 18:24 linux-6.1.y 363a599da6d9 67c37560 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan-arm64 possible deadlock in ocfs2_extend_allocation
2025/09/19 22:34 linux-6.1.y 363a599da6d9 67c37560 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan-arm64 possible deadlock in ocfs2_extend_allocation
2025/09/06 04:09 linux-6.1.y 28c695c365e1 d291dd2d .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan-arm64 possible deadlock in ocfs2_extend_allocation
2025/09/04 13:41 linux-6.1.y f89b6e15694c d291dd2d .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan-arm64 possible deadlock in ocfs2_extend_allocation
2025/09/04 11:53 linux-6.1.y f89b6e15694c d291dd2d .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan-arm64 possible deadlock in ocfs2_extend_allocation
2025/08/29 01:00 linux-6.1.y f89b6e15694c d401b9d7 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan-arm64 possible deadlock in ocfs2_extend_allocation
2025/08/28 14:09 linux-6.1.y 0bc96de781b4 e12e5ba4 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan-arm64 possible deadlock in ocfs2_extend_allocation
2025/08/22 20:13 linux-6.1.y 0bc96de781b4 bf27483f .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan-arm64 possible deadlock in ocfs2_extend_allocation
2025/08/19 16:56 linux-6.1.y 0bc96de781b4 254a27c1 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan-arm64 possible deadlock in ocfs2_extend_allocation
2025/08/18 08:18 linux-6.1.y 0bc96de781b4 1804e95e .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan-arm64 possible deadlock in ocfs2_extend_allocation
2025/08/17 23:42 linux-6.1.y 0bc96de781b4 1804e95e .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan-arm64 possible deadlock in ocfs2_extend_allocation
2025/08/16 09:59 linux-6.1.y 0bc96de781b4 1804e95e .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan-arm64 possible deadlock in ocfs2_extend_allocation
2025/08/14 08:06 linux-6.1.y 3594f306da12 22ec1469 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan-arm64 possible deadlock in ocfs2_extend_allocation
2025/08/07 04:16 linux-6.1.y 3594f306da12 9a42d6b1 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan-arm64 possible deadlock in ocfs2_extend_allocation
2025/08/06 07:13 linux-6.1.y 3594f306da12 ffe1dd46 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan-arm64 possible deadlock in ocfs2_extend_allocation
2025/07/16 17:32 linux-6.1.y f2198ea7eb3e 124ec9cc .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan-arm64 possible deadlock in ocfs2_extend_allocation
2025/07/16 17:32 linux-6.1.y f2198ea7eb3e 124ec9cc .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan-arm64 possible deadlock in ocfs2_extend_allocation
* Struck through repros no longer work on HEAD.