Warning: Permanently added '[localhost]:14175' (ED25519) to the list of known hosts. executing program [ 67.665411][ T5304] loop0: detected capacity change from 0 to 32768 [ 67.685585][ T5304] (syz-executor823,5304,0):ocfs2_block_check_validate:402 ERROR: CRC32 failed: stored: 0xb3775c19, computed 0x2dd1c265. Applying ECC. [ 67.708634][ T5304] (syz-executor823,5304,0):ocfs2_block_check_validate:402 ERROR: CRC32 failed: stored: 0xb3775c19, computed 0x2dd1c265. Applying ECC. [ 67.728100][ T5304] JBD2: Ignoring recovery information on journal [ 67.752014][ T5304] ocfs2: Mounting device (7,0) on (node local, slot 0) with ordered data mode. [ 67.759725][ T3329] ocfs2: Finishing quota recovery on device (7,0) for slot 0 [ 67.783303][ T5303] [ 67.784321][ T5303] ====================================================== [ 67.787800][ T5303] WARNING: possible circular locking dependency detected [ 67.790589][ T5303] 6.14.0-rc6-syzkaller-00007-g0b46b049d6ec #0 Not tainted [ 67.794107][ T5303] ------------------------------------------------------ [ 67.796983][ T5303] syz-executor823/5303 is trying to acquire lock: [ 67.799656][ T5303] ffff8880130fb148 ((wq_completion)ocfs2_wq){+.+.}-{0:0}, at: touch_wq_lockdep_map+0xb1/0x170 [ 67.803935][ T5303] [ 67.803935][ T5303] but task is already holding lock: [ 67.806767][ T5303] ffff888033a260e0 (&type->s_umount_key#42){++++}-{4:4}, at: deactivate_super+0xb5/0xf0 [ 67.810827][ T5303] [ 67.810827][ T5303] which lock already depends on the new lock. [ 67.810827][ T5303] [ 67.814923][ T5303] [ 67.814923][ T5303] the existing dependency chain (in reverse order) is: [ 67.818579][ T5303] [ 67.818579][ T5303] -> #2 (&type->s_umount_key#42){++++}-{4:4}: [ 67.821837][ T5303] lock_acquire+0x1ed/0x550 [ 67.823858][ T5303] down_read+0xb1/0xa40 [ 67.825890][ T5303] ocfs2_finish_quota_recovery+0x15c/0x22a0 [ 67.828485][ T5303] ocfs2_complete_recovery+0x17c1/0x25c0 [ 67.830709][ T5303] process_scheduled_works+0xabe/0x18e0 [ 67.832998][ T5303] worker_thread+0x870/0xd30 [ 67.835467][ T5303] kthread+0x7a9/0x920 [ 67.837640][ T5303] ret_from_fork+0x4b/0x80 [ 67.839890][ T5303] ret_from_fork_asm+0x1a/0x30 [ 67.841895][ T5303] [ 67.841895][ T5303] -> #1 ((work_completion)(&journal->j_recovery_work)){+.+.}-{0:0}: [ 67.845839][ T5303] lock_acquire+0x1ed/0x550 [ 67.847740][ T5303] process_scheduled_works+0x9e4/0x18e0 [ 67.850229][ T5303] worker_thread+0x870/0xd30 [ 67.852282][ T5303] kthread+0x7a9/0x920 [ 67.854011][ T5303] ret_from_fork+0x4b/0x80 [ 67.856035][ T5303] ret_from_fork_asm+0x1a/0x30 [ 67.858342][ T5303] [ 67.858342][ T5303] -> #0 ((wq_completion)ocfs2_wq){+.+.}-{0:0}: [ 67.861905][ T5303] validate_chain+0x18ef/0x5920 [ 67.864277][ T5303] __lock_acquire+0x1397/0x2100 [ 67.866539][ T5303] lock_acquire+0x1ed/0x550 [ 67.868581][ T5303] touch_wq_lockdep_map+0xc7/0x170 [ 67.870832][ T5303] __flush_workqueue+0x14a/0x1280 [ 67.873146][ T5303] ocfs2_shutdown_local_alloc+0x109/0xa90 [ 67.875671][ T5303] ocfs2_dismount_volume+0x202/0x910 [ 67.877886][ T5303] generic_shutdown_super+0x139/0x2d0 [ 67.880216][ T5303] kill_block_super+0x44/0x90 [ 67.882158][ T5303] deactivate_locked_super+0xc4/0x130 [ 67.884451][ T5303] cleanup_mnt+0x41f/0x4b0 [ 67.887291][ T5303] task_work_run+0x24f/0x310 [ 67.889284][ T5303] syscall_exit_to_user_mode+0x13f/0x340 [ 67.891804][ T5303] do_syscall_64+0x100/0x230 [ 67.893804][ T5303] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 67.896341][ T5303] [ 67.896341][ T5303] other info that might help us debug this: [ 67.896341][ T5303] [ 67.900470][ T5303] Chain exists of: [ 67.900470][ T5303] (wq_completion)ocfs2_wq --> (work_completion)(&journal->j_recovery_work) --> &type->s_umount_key#42 [ 67.900470][ T5303] [ 67.907257][ T5303] Possible unsafe locking scenario: [ 67.907257][ T5303] [ 67.910314][ T5303] CPU0 CPU1 [ 67.912594][ T5303] ---- ---- [ 67.914745][ T5303] lock(&type->s_umount_key#42); [ 67.916874][ T5303] lock((work_completion)(&journal->j_recovery_work)); [ 67.920537][ T5303] lock(&type->s_umount_key#42); [ 67.923416][ T5303] lock((wq_completion)ocfs2_wq); [ 67.925315][ T5303] [ 67.925315][ T5303] *** DEADLOCK *** [ 67.925315][ T5303] [ 67.928251][ T5303] 1 lock held by syz-executor823/5303: [ 67.930310][ T5303] #0: ffff888033a260e0 (&type->s_umount_key#42){++++}-{4:4}, at: deactivate_super+0xb5/0xf0 [ 67.934031][ T5303] [ 67.934031][ T5303] stack backtrace: [ 67.936392][ T5303] CPU: 0 UID: 0 PID: 5303 Comm: syz-executor823 Not tainted 6.14.0-rc6-syzkaller-00007-g0b46b049d6ec #0 [ 67.936406][ T5303] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2~bpo12+1 04/01/2014 [ 67.936413][ T5303] Call Trace: [ 67.936418][ T5303] [ 67.936422][ T5303] dump_stack_lvl+0x241/0x360 [ 67.936433][ T5303] ? __pfx_dump_stack_lvl+0x10/0x10 [ 67.936440][ T5303] ? __pfx__printk+0x10/0x10 [ 67.936447][ T5303] print_circular_bug+0x13a/0x1b0 [ 67.936455][ T5303] check_noncircular+0x36a/0x4a0 [ 67.936462][ T5303] ? __lock_acquire+0x1397/0x2100 [ 67.936472][ T5303] ? __pfx_check_noncircular+0x10/0x10 [ 67.936478][ T5303] ? lockdep_lock+0x123/0x2b0 [ 67.936487][ T5303] ? mark_lock+0x9a/0x360 [ 67.936493][ T5303] validate_chain+0x18ef/0x5920 [ 67.936503][ T5303] ? __pfx_validate_chain+0x10/0x10 [ 67.936512][ T5303] ? debug_object_assert_init+0x2dd/0x4b0 [ 67.936521][ T5303] ? do_raw_spin_lock+0x14f/0x370 [ 67.936529][ T5303] ? __pfx_lock_release+0x10/0x10 [ 67.936538][ T5303] ? mark_lock+0x9a/0x360 [ 67.936544][ T5303] __lock_acquire+0x1397/0x2100 [ 67.936556][ T5303] ? kfree+0x196/0x430 [ 67.936567][ T5303] ? ocfs2_dismount_volume+0x1bd/0x910 [ 67.936579][ T5303] lock_acquire+0x1ed/0x550 [ 67.936591][ T5303] ? touch_wq_lockdep_map+0xb1/0x170 [ 67.936606][ T5303] ? __pfx_lock_acquire+0x10/0x10 [ 67.936618][ T5303] ? __asan_memset+0x23/0x50 [ 67.936628][ T5303] ? lockdep_init_map_type+0xa1/0x910 [ 67.936641][ T5303] ? __pfx_lockdep_init_map_type+0x10/0x10 [ 67.936654][ T5303] ? __lock_acquire+0x1397/0x2100 [ 67.936665][ T5303] ? touch_wq_lockdep_map+0xb1/0x170 [ 67.936676][ T5303] touch_wq_lockdep_map+0xc7/0x170 [ 67.936688][ T5303] ? touch_wq_lockdep_map+0xb1/0x170 [ 67.936700][ T5303] __flush_workqueue+0x14a/0x1280 [ 67.936713][ T5303] ? lockdep_hardirqs_on_prepare+0x43d/0x780 [ 67.936729][ T5303] ? __pfx___flush_workqueue+0x10/0x10 [ 67.936744][ T5303] ? mark_lock+0x9a/0x360 [ 67.936754][ T5303] ocfs2_shutdown_local_alloc+0x109/0xa90 [ 67.936764][ T5303] ? __pfx_lockdep_hardirqs_on_prepare+0x10/0x10 [ 67.936774][ T5303] ? __pfx_ocfs2_shutdown_local_alloc+0x10/0x10 [ 67.936785][ T5303] ? lockdep_hardirqs_on+0x99/0x150 [ 67.936798][ T5303] ? enable_work+0x2e3/0x360 [ 67.936811][ T5303] ? __pfx_enable_work+0x10/0x10 [ 67.936830][ T5303] ? _atomic_dec_and_lock+0x9a/0x130 [ 67.936844][ T5303] ? iput+0x3be/0xa50 [ 67.936859][ T5303] ocfs2_dismount_volume+0x202/0x910 [ 67.936872][ T5303] ? __pfx_ocfs2_dismount_volume+0x10/0x10 [ 67.936882][ T5303] ? __pfx_evict_inodes+0x10/0x10 [ 67.936895][ T5303] ? __pfx_ocfs2_put_super+0x10/0x10 [ 67.936907][ T5303] generic_shutdown_super+0x139/0x2d0 [ 67.936918][ T5303] kill_block_super+0x44/0x90 [ 67.936930][ T5303] deactivate_locked_super+0xc4/0x130 [ 67.936946][ T5303] cleanup_mnt+0x41f/0x4b0 [ 67.936955][ T5303] ? lockdep_hardirqs_on+0x99/0x150 [ 67.936968][ T5303] task_work_run+0x24f/0x310 [ 67.936980][ T5303] ? __pfx_task_work_run+0x10/0x10 [ 67.936988][ T5303] ? __x64_sys_umount+0x123/0x170 [ 67.936999][ T5303] ? syscall_exit_to_user_mode+0xa3/0x340 [ 67.937013][ T5303] syscall_exit_to_user_mode+0x13f/0x340 [ 67.937028][ T5303] do_syscall_64+0x100/0x230 [ 67.937043][ T5303] ? clear_bhb_loop+0x35/0x90 [ 67.937057][ T5303] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 67.937070][ T5303] RIP: 0033:0x7f825d068487 [ 67.937081][ T5303] Code: 07 00 48 83 c4 08 5b 5d c3 66 2e 0f 1f 84 00 00 00 00 00 c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 b8 a6 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 01 c3 48 c7 c2 b8 ff ff ff f7 d8 64 89 02 b8 [ 67.937089][ T5303] RSP: 002b:00007fff4d44ebe8 EFLAGS: 00000206 ORIG_RAX: 00000000000000a6 [ 67.937102][ T5303] RAX: 0000000000000000 RBX: 0000000000000000 RCX: 00007f825d068487 [ 67.937108][ T5303] RDX: 0000000000000000 RSI: 0000000000000009 RDI: 00007fff4d44eca0 [ 67.937114][ T5303] RBP: 00007fff4d44eca0 R08: 0000000000000000 R09: 0000000000000000 [ 67.937120][ T5303] R10: 00000000ffffffff R11: 0000000000000206 R12: 00007fff4d44fd10 [ 67.937127][ T5303] R13: 0000555558bd06c0 R14: 0000000000000001 R15: 431bde82d7b634db [ 67.937137][ T5303] [ 68.094422][ T5303] ocfs2: Unmounting device (7,0) on (node local) executing program [ 68.276032][ T5308] loop0: detected capacity change from 0 to 32768 [ 68.313936][ T5308] (syz-executor823,5308,0):ocfs2_block_check_validate:402 ERROR: CRC32 failed: stored: 0xb3775c19, computed 0x2dd1c265. Applying ECC. [ 68.323414][ T5308] (syz-executor823,5308,0):ocfs2_block_check_validate:402 ERROR: CRC32 failed: stored: 0xb3775c19, computed 0x2dd1c265. Applying ECC. [ 68.359663][ T5308] JBD2: Ignoring recovery information on journal [ 68.386010][ T5308] ocfs2: Mounting device (7,0) on (node local, slot 0) with ordered data mode. [ 68.393695][ T47] ocfs2: Finishing quota recovery on device (7,0) for slot 0 [ 68.410049][ T5303] ocfs2: Unmounting device (7,0) on (node local) executing program [ 68.574998][ T5311] loop0: detected capacity change from 0 to 32768 [ 68.592674][ T5311] (syz-executor823,5311,0):ocfs2_block_check_validate:402 ERROR: CRC32 failed: stored: 0xb3775c19, computed 0x2dd1c265. Applying ECC. [ 68.602836][ T5311] (syz-executor823,5311,0):ocfs2_block_check_validate:402 ERROR: CRC32 failed: stored: 0xb3775c19, computed 0x2dd1c265. Applying ECC. [ 68.610393][ T5311] JBD2: Ignoring recovery information on journal [ 68.626422][ T5311] ocfs2: Mounting device (7,0) on (node local, slot 0) with ordered data mode. [ 68.630955][ T3329] ocfs2: Finishing quota recovery on device (7,0) for slot 0 [ 68.643644][ T5303] ocfs2: Unmounting device (7,0) on (node local) executing program [ 68.789570][ T5314] loop0: detected capacity change from 0 to 32768 [ 68.808421][ T5314] (syz-executor823,5314,0):ocfs2_block_check_validate:402 ERROR: CRC32 failed: stored: 0xb3775c19, computed 0x2dd1c265. Applying ECC. [ 68.814691][ T5314] (syz-executor823,5314,0):ocfs2_block_check_validate:402 ERROR: CRC32 failed: stored: 0xb3775c19, computed 0x2dd1c265. Applying ECC. [ 68.823643][ T5314] JBD2: Ignoring recovery information on journal [ 68.838799][ T5314] ocfs2: Mounting device (7,0) on (node local, slot 0) with ordered data mode. [ 68.846177][ T3329] ocfs2: Finishing quota recovery on device (7,0) for slot 0 VM DIAGNOSIS: 01:14:49 Registers: info registers vcpu 0 CPU#0 RAX=000000000000006c RBX=ffffffff9a999100 RCX=0000000000000000 RDX=00000000000003f8 RSI=0000000000000000 RDI=0000000000000020 RBP=0000000000000000 RSP=ffffc9000d04ea70 R8 =ffffffff858430fb R9 =1ffff11006843046 R10=dffffc0000000000 R11=ffffffff858430b0 R12=dffffc0000000000 R13=000000000000006c R14=000000000000006c R15=00000000000003f8 RIP=ffffffff8584312e RFL=00000002 [-------] CPL=0 II=0 A20=1 SMM=0 HLT=0 ES =0000 0000000000000000 ffffffff 00c00000 CS =0010 0000000000000000 ffffffff 00a09b00 DPL=0 CS64 [-RA] SS =0018 0000000000000000 ffffffff 00c09300 DPL=0 DS [-WA] DS =0000 0000000000000000 ffffffff 00c00000 FS =0000 0000555558bcf380 ffffffff 00c00000 GS =0000 ffff88801fc00000 ffffffff 00c00000 LDT=0000 0000000000000000 ffffffff 00c00000 TR =0040 fffffe0000003000 00004087 00008b00 DPL=0 TSS64-busy GDT= fffffe0000001000 0000007f IDT= fffffe0000000000 00000fff CR0=80050033 CR2=0000555558bd86f8 CR3=00000000440fc000 CR4=00352ef0 DR0=0000000000000000 DR1=0000000000000000 DR2=0000000000000000 DR3=0000000000000000 DR6=00000000fffe0ff0 DR7=0000000000000400 EFER=0000000000000d01 FCW=037f FSW=0000 [ST=0] FTW=00 MXCSR=00001f80 FPR0=0000000000000000 0000 FPR1=0000000000000000 0000 FPR2=0000000000000000 0000 FPR3=0000000000000000 0000 FPR4=0000000000000000 0000 FPR5=0000000000000000 0000 FPR6=0000000000000000 0000 FPR7=0000000000000000 0000 Opmask00=0000000040000021 Opmask01=0000000000000001 Opmask02=00000000fff7ffff Opmask03=0000000000000000 Opmask04=0000000000000000 Opmask05=0000000000000000 Opmask06=0000000000000000 Opmask07=0000000000000000 ZMM00=0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 00000001f7011641 00000001db710641 ZMM01=0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 f90e7ab200000000 ZMM02=0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 826acb7ca74c9f7d ZMM03=0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 00000000ffffffff ZMM04=0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 ZMM05=0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 1b5b36d1224e13b0 ZMM06=0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 20a048dd31febea2 ZMM07=0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 ZMM08=0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 ZMM09=0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 ZMM10=0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 ZMM11=0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 ZMM12=0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 ZMM13=0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 ZMM14=0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 ZMM15=0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 ZMM16=0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 ZMM17=0000000000000000 0000000000000000 0000000000000000 0000000000000000 2525252525252525 2525252525252525 2525252525252525 2525252525252525 ZMM18=0000000000000000 0000000000000000 0000000000000000 0000000000000000 2e006a64615f6572 6f63735f6d6f6f2f 666c65732f636f72 702f003030303100 ZMM19=0000000000000000 0000000000000000 0000000000000000 0000000000000000 0b004f41445f4057 4a46565f484a4a0a 434940560a464a57 550a001515151400 ZMM20=0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 ZMM21=0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 ZMM22=0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 ZMM23=0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 ZMM24=0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 ZMM25=0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 ZMM26=0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 ZMM27=0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 ZMM28=0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 ZMM29=0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 ZMM30=0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 ZMM31=0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000