Extracting prog: 3m20.774995997s Minimizing prog: 4m23.43842392s Simplifying prog options: 0s Extracting C: 46.715548268s Simplifying C: 9m16.708359544s extracting reproducer from 1 programs testing a last program of every proc single: executing 1 programs separately with timeout 30s testing program (duration=30s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_mount_image$ext4-syz_mount_image$ext4 detailed listing: executing program 0: syz_mount_image$ext4(&(0x7f0000000040)='ext4\x00', &(0x7f0000000500)='./file1\x00', 0x4541, &(0x7f0000000540)={[{@errors_remount}, {@sysvgroups}, {@dioread_lock}, {@grpid}, {@noauto_da_alloc}, {@resgid}, {@barrier}, {@auto_da_alloc}, {@usrquota}]}, 0x12, 0x4b4, &(0x7f0000001b00)="$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") syz_mount_image$ext4(&(0x7f0000000040)='ext4\x00', &(0x7f0000000500)='./file1\x00', 0x4500, &(0x7f0000000540)={[{@errors_remount}, {@sysvgroups}, {@dioread_lock}, {@grpid}, {@noauto_da_alloc}, {@resgid}, {@barrier}, {@auto_da_alloc}, {@usrquota}]}, 0x12, 0x4b4, &(0x7f0000001b00)="$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") program did not crash single: failed to extract reproducer single: executing 1 programs separately with timeout 6m0s testing program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_mount_image$ext4-syz_mount_image$ext4 detailed listing: executing program 0: syz_mount_image$ext4(&(0x7f0000000040)='ext4\x00', &(0x7f0000000500)='./file1\x00', 0x4541, &(0x7f0000000540)={[{@errors_remount}, {@sysvgroups}, {@dioread_lock}, {@grpid}, {@noauto_da_alloc}, {@resgid}, {@barrier}, {@auto_da_alloc}, {@usrquota}]}, 0x12, 0x4b4, &(0x7f0000001b00)="$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") syz_mount_image$ext4(&(0x7f0000000040)='ext4\x00', &(0x7f0000000500)='./file1\x00', 0x4500, &(0x7f0000000540)={[{@errors_remount}, {@sysvgroups}, {@dioread_lock}, {@grpid}, {@noauto_da_alloc}, {@resgid}, {@barrier}, {@auto_da_alloc}, {@usrquota}]}, 0x12, 0x4b4, &(0x7f0000001b00)="$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") program crashed: possible deadlock in dquot_commit single: successfully extracted reproducer found reproducer with 2 syscalls minimizing guilty program testing program (duration=1m35.553236626s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_mount_image$ext4 detailed listing: executing program 0: syz_mount_image$ext4(&(0x7f0000000040)='ext4\x00', &(0x7f0000000500)='./file1\x00', 0x4541, &(0x7f0000000540)={[{@errors_remount}, {@sysvgroups}, {@dioread_lock}, {@grpid}, {@noauto_da_alloc}, {@resgid}, {@barrier}, {@auto_da_alloc}, {@usrquota}]}, 0x12, 0x4b4, &(0x7f0000001b00)="$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") program did not crash testing program (duration=1m35.553236626s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_mount_image$ext4 detailed listing: executing program 0: syz_mount_image$ext4(&(0x7f0000000040)='ext4\x00', &(0x7f0000000500)='./file1\x00', 0x4500, &(0x7f0000000540)={[{@errors_remount}, {@sysvgroups}, {@dioread_lock}, {@grpid}, {@noauto_da_alloc}, {@resgid}, {@barrier}, {@auto_da_alloc}, {@usrquota}]}, 0x12, 0x4b4, &(0x7f0000001b00)="$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") program did not crash extracting C reproducer testing compiled C program (duration=1m35.553236626s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_mount_image$ext4-syz_mount_image$ext4 program crashed: possible deadlock in dquot_commit simplifying C reproducer testing compiled C program (duration=1m35.553236626s, {Threaded:false Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_mount_image$ext4-syz_mount_image$ext4 program crashed: possible deadlock in dquot_commit testing compiled C program (duration=1m35.553236626s, {Threaded:false Repeat:true RepeatTimes:0 Procs:1 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_mount_image$ext4-syz_mount_image$ext4 program crashed: possible deadlock in dquot_commit testing compiled C program (duration=1m35.553236626s, {Threaded:false Repeat:true RepeatTimes:0 Procs:1 Slowdown:1 Sandbox: SandboxArg:0 Leak:false NetInjection:false NetDevices:false NetReset:false Cgroups:false BinfmtMisc:false CloseFDs:false KCSAN:false DevlinkPCI:false NicVF:false USB:false VhciInjection:false Wifi:false IEEE802154:true Sysctl:true Swap:false UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_mount_image$ext4-syz_mount_image$ext4 program crashed: possible deadlock in dquot_commit testing compiled C program (duration=1m35.553236626s, {Threaded:false Repeat:true RepeatTimes:0 Procs:1 Slowdown:1 Sandbox: SandboxArg:0 Leak:false NetInjection:false NetDevices:false NetReset:false Cgroups:false BinfmtMisc:false CloseFDs:false KCSAN:false DevlinkPCI:false NicVF:false USB:false VhciInjection:false Wifi:false IEEE802154:false Sysctl:true Swap:false UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_mount_image$ext4-syz_mount_image$ext4 program crashed: possible deadlock in dquot_commit testing compiled C program (duration=1m35.553236626s, {Threaded:false Repeat:true RepeatTimes:0 Procs:1 Slowdown:1 Sandbox: SandboxArg:0 Leak:false NetInjection:false NetDevices:false NetReset:false Cgroups:false BinfmtMisc:false CloseFDs:false KCSAN:false DevlinkPCI:false NicVF:false USB:false VhciInjection:false Wifi:false IEEE802154:false Sysctl:true Swap:false UseTmpDir:false HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_mount_image$ext4-syz_mount_image$ext4 program did not crash testing compiled C program (duration=1m35.553236626s, {Threaded:false Repeat:true RepeatTimes:0 Procs:1 Slowdown:1 Sandbox: SandboxArg:0 Leak:false NetInjection:false NetDevices:false NetReset:false Cgroups:false BinfmtMisc:false CloseFDs:false KCSAN:false DevlinkPCI:false NicVF:false USB:false VhciInjection:false Wifi:false IEEE802154:false Sysctl:true Swap:false UseTmpDir:true HandleSegv:false Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_mount_image$ext4-syz_mount_image$ext4 program crashed: possible deadlock in dquot_commit testing compiled C program (duration=1m35.553236626s, {Threaded:false Repeat:true RepeatTimes:0 Procs:1 Slowdown:1 Sandbox: SandboxArg:0 Leak:false NetInjection:false NetDevices:false NetReset:false Cgroups:false BinfmtMisc:false CloseFDs:false KCSAN:false DevlinkPCI:false NicVF:false USB:false VhciInjection:false Wifi:false IEEE802154:false Sysctl:false Swap:false UseTmpDir:true HandleSegv:false Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_mount_image$ext4-syz_mount_image$ext4 program crashed: possible deadlock in dquot_commit testing program (duration=1m35.553236626s, {Threaded:false Repeat:true RepeatTimes:0 Procs:1 Slowdown:1 Sandbox: SandboxArg:0 Leak:false NetInjection:false NetDevices:false NetReset:false Cgroups:false BinfmtMisc:false CloseFDs:false KCSAN:false DevlinkPCI:false NicVF:false USB:false VhciInjection:false Wifi:false IEEE802154:false Sysctl:false Swap:false UseTmpDir:true HandleSegv:false Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_mount_image$ext4-syz_mount_image$ext4 detailed listing: executing program 0: syz_mount_image$ext4(&(0x7f0000000040)='ext4\x00', &(0x7f0000000500)='./file1\x00', 0x4541, &(0x7f0000000540)={[{@errors_remount}, {@sysvgroups}, {@dioread_lock}, {@grpid}, {@noauto_da_alloc}, {@resgid}, {@barrier}, {@auto_da_alloc}, {@usrquota}]}, 0x12, 0x4b4, &(0x7f0000001b00)="$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") syz_mount_image$ext4(&(0x7f0000000040)='ext4\x00', &(0x7f0000000500)='./file1\x00', 0x4500, &(0x7f0000000540)={[{@errors_remount}, {@sysvgroups}, {@dioread_lock}, {@grpid}, {@noauto_da_alloc}, {@resgid}, {@barrier}, {@auto_da_alloc}, {@usrquota}]}, 0x12, 0x4b4, &(0x7f0000001b00)="$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") program crashed: possible deadlock in dquot_commit validation run: crashed=true testing program (duration=1m35.553236626s, {Threaded:false Repeat:true RepeatTimes:0 Procs:1 Slowdown:1 Sandbox: SandboxArg:0 Leak:false NetInjection:false NetDevices:false NetReset:false Cgroups:false BinfmtMisc:false CloseFDs:false KCSAN:false DevlinkPCI:false NicVF:false USB:false VhciInjection:false Wifi:false IEEE802154:false Sysctl:false Swap:false UseTmpDir:true HandleSegv:false Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_mount_image$ext4-syz_mount_image$ext4 detailed listing: executing program 0: syz_mount_image$ext4(&(0x7f0000000040)='ext4\x00', &(0x7f0000000500)='./file1\x00', 0x4541, &(0x7f0000000540)={[{@errors_remount}, {@sysvgroups}, {@dioread_lock}, {@grpid}, {@noauto_da_alloc}, {@resgid}, {@barrier}, {@auto_da_alloc}, {@usrquota}]}, 0x12, 0x4b4, &(0x7f0000001b00)="$eJzs3d9rW9cdAPDvvbay/HBmZxssCywLS4YTtkh2vCRmD1kGY3kKbMveM8+WjbFsGUtOYhOGw/6AwRjbYE972kuhf0Ch5E8ohUD7XtrSUtqkfehDWxVJV6njSrFDZF+wPx84vufcK+n7PTa6uufeY90ADqwzEXE9IgYi4kJEDGfr06zcaDY22o978vj+dLMk0Wjc+jiJJFvXea0kWx5rPyUOR8Qfb0T8Jfl23Nra+sJUpVJeydql+uJyqba2fnF+cWquPFdempgYvzJ5dfLy5Fhf+jkSEdd++/6//v7/3117/Rd337n94fm/NtMayrZv7kc/tbteaP0uOgYjYmU3guVgIFsWcs4DAICdaR7jfy8ifto6/h+OgdbRKQAAALCfNH49FF8kEQ0AAABg30pbc2CTtJjNBRiKNC0W23N4fxBH00q1Vv/5bHV1aaY9V3YkCunsfKU8ls0VHolC0myPZ3NsO+1LW9oTEXEiIv45fKTVLk5XKzN5n/wAAACAA+LYpvH/DyPis+H2+B8AAADYZ0byTgAAAADYdcb/AAAAsP8Z/wMAAMC+9vubN5ul0bn/9cydtdWF6p2LM+XaQnFxdbo4XV1ZLs5Vq3Ot7+xb3O71KtXq8i9jafVeqV6u1Uu1tfXbi9XVpfrt+WdugQ0AAADsoRM/efh2EhEbvzrSKk2H8k4K2BPJizz4vd3LA9h7A3knAORmMO8EgNwU8k4AyN125wF6Tt55o/+5AAAAu2P0R72v/zs3APtbmncCAMCec/0fDq6CGYBw4H13m+0vf/2/0XihhAAAgL4bapUkLWbXAociTYvFiOOt2wIUktn5SnksGx+8NVz4TrM93npm8mL/OwwAAAAAAAAAAAAAAAAAAAAAAAAAB1ijkUQDAAAA2Nci0g+S1rf5R4wOnxvaen7gUPL5cGsZEXf/e+vf96bq9ZXx5vpPnq6v/ydbfymPMxgAAADAVp1xemccDwAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAD99OTx/elO2cu4H/0mIka6xR+Mw63l4ShExNFPkxjc9LwkIgb6EH/jQUSc7BY/aaYVI1kW3eIfyTF+GhHH+hAfDrKHzf3P9W7vvzTOtJbd33+DWXlZvfd/6dP930CP/c/xHcY49ejVUs/4DyJODXbf/3TiJz3in91h/D//aX2917bG/yJGu37+JM/EKtUXl0u1tfWL84tTc+W58tLExPiVyauTlyfHSrPzlXL2s2uMf/z4ta+e1/+jPeKPbNP/czvs/5eP7j3+frta6Bb//Nnun78ne8RPs8++n2X15vbRTn2jXd/s9Ctvnn5e/2d69H+7v//5Hfb/wh/+9u4OHwoA7IHa2vrCVKVSXlFRUVF5Wsl7zwQAAPTbNwf9eWcCAAAAAAAAAAAAAAAAAAAAB9defJ3Y1pgb+XQVAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAOC5vg4AAP//u0XVAg==") syz_mount_image$ext4(&(0x7f0000000040)='ext4\x00', &(0x7f0000000500)='./file1\x00', 0x4500, &(0x7f0000000540)={[{@errors_remount}, {@sysvgroups}, {@dioread_lock}, {@grpid}, {@noauto_da_alloc}, {@resgid}, {@barrier}, {@auto_da_alloc}, {@usrquota}]}, 0x12, 0x4b4, &(0x7f0000001b00)="$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") program crashed: possible deadlock in dquot_commit validation run: crashed=true testing program (duration=1m35.553236626s, {Threaded:false Repeat:true RepeatTimes:0 Procs:1 Slowdown:1 Sandbox: SandboxArg:0 Leak:false NetInjection:false NetDevices:false NetReset:false Cgroups:false BinfmtMisc:false CloseFDs:false KCSAN:false DevlinkPCI:false NicVF:false USB:false VhciInjection:false Wifi:false IEEE802154:false Sysctl:false Swap:false UseTmpDir:true HandleSegv:false Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_mount_image$ext4-syz_mount_image$ext4 detailed listing: executing program 0: syz_mount_image$ext4(&(0x7f0000000040)='ext4\x00', &(0x7f0000000500)='./file1\x00', 0x4541, &(0x7f0000000540)={[{@errors_remount}, {@sysvgroups}, {@dioread_lock}, {@grpid}, {@noauto_da_alloc}, {@resgid}, {@barrier}, {@auto_da_alloc}, {@usrquota}]}, 0x12, 0x4b4, &(0x7f0000001b00)="$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") syz_mount_image$ext4(&(0x7f0000000040)='ext4\x00', &(0x7f0000000500)='./file1\x00', 0x4500, &(0x7f0000000540)={[{@errors_remount}, {@sysvgroups}, {@dioread_lock}, {@grpid}, {@noauto_da_alloc}, {@resgid}, {@barrier}, {@auto_da_alloc}, {@usrquota}]}, 0x12, 0x4b4, &(0x7f0000001b00)="$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") program crashed: possible deadlock in dquot_commit validation run: crashed=true reproducing took 21m8.154836166s repro crashed as (corrupted=false): ====================================================== WARNING: possible circular locking dependency detected syzkaller #0 Not tainted ------------------------------------------------------ syz.0.179/4751 is trying to acquire lock: ffff88807298ece8 (&dquot->dq_lock){+.+.}-{3:3}, at: dquot_commit+0x5a/0x410 fs/quota/dquot.c:535 but task is already holding lock: ffff888061c35cd0 (&ei->i_data_sem/2){++++}-{3:3}, at: ext4_truncate+0x9ae/0x12a0 fs/ext4/inode.c:4297 which lock already depends on the new lock. the existing dependency chain (in reverse order) is: -> #2 (&ei->i_data_sem/2){++++}-{3:3}: down_read+0x42/0x2d0 kernel/locking/rwsem.c:1520 ext4_map_blocks+0x338/0x1a90 fs/ext4/inode.c:606 ext4_getblk+0x1c5/0x720 fs/ext4/inode.c:892 ext4_bread+0x26/0x170 fs/ext4/inode.c:948 ext4_quota_write+0x237/0x580 fs/ext4/super.c:7228 write_blk fs/quota/quota_tree.c:70 [inline] get_free_dqblk+0x2dc/0x630 fs/quota/quota_tree.c:136 do_insert_tree+0x22b/0x1060 fs/quota/quota_tree.c:347 do_insert_tree+0x9f5/0x1060 fs/quota/quota_tree.c:402 dq_insert_tree fs/quota/quota_tree.c:432 [inline] qtree_write_dquot+0x49b/0x5d0 fs/quota/quota_tree.c:451 v2_write_dquot+0x108/0x190 fs/quota/quota_v2.c:361 dquot_acquire+0x2d5/0x520 fs/quota/dquot.c:500 ext4_acquire_dquot+0x2e3/0x4a0 fs/ext4/super.c:6837 dqget+0x713/0xbb0 fs/quota/dquot.c:1013 __dquot_initialize+0x3a9/0xd00 fs/quota/dquot.c:1542 ext4_process_orphan+0x4c/0x2e0 fs/ext4/orphan.c:327 ext4_orphan_cleanup+0xdfe/0x1650 fs/ext4/orphan.c:472 __ext4_fill_super fs/ext4/super.c:5574 [inline] ext4_fill_super+0x6f0c/0x78f0 fs/ext4/super.c:5693 get_tree_bdev+0x3e6/0x610 fs/super.c:1377 vfs_get_tree+0x88/0x270 fs/super.c:1584 do_new_mount+0x247/0xa40 fs/namespace.c:3078 do_mount fs/namespace.c:3421 [inline] __do_sys_mount fs/namespace.c:3629 [inline] __se_sys_mount+0x2e3/0x3d0 fs/namespace.c:3606 do_syscall_x64 arch/x86/entry/common.c:46 [inline] do_syscall_64+0x4c/0xa0 arch/x86/entry/common.c:76 entry_SYSCALL_64_after_hwframe+0x68/0xd2 -> #1 (&s->s_dquot.dqio_sem){++++}-{3:3}: down_read+0x42/0x2d0 kernel/locking/rwsem.c:1520 v2_read_dquot+0x4a/0x110 fs/quota/quota_v2.c:335 dquot_acquire+0x152/0x520 fs/quota/dquot.c:491 ext4_acquire_dquot+0x2e3/0x4a0 fs/ext4/super.c:6837 dqget+0x713/0xbb0 fs/quota/dquot.c:1013 __dquot_initialize+0x3a9/0xd00 fs/quota/dquot.c:1542 ext4_process_orphan+0x4c/0x2e0 fs/ext4/orphan.c:327 ext4_orphan_cleanup+0xdfe/0x1650 fs/ext4/orphan.c:472 __ext4_fill_super fs/ext4/super.c:5574 [inline] ext4_fill_super+0x6f0c/0x78f0 fs/ext4/super.c:5693 get_tree_bdev+0x3e6/0x610 fs/super.c:1377 vfs_get_tree+0x88/0x270 fs/super.c:1584 do_new_mount+0x247/0xa40 fs/namespace.c:3078 do_mount fs/namespace.c:3421 [inline] __do_sys_mount fs/namespace.c:3629 [inline] __se_sys_mount+0x2e3/0x3d0 fs/namespace.c:3606 do_syscall_x64 arch/x86/entry/common.c:46 [inline] do_syscall_64+0x4c/0xa0 arch/x86/entry/common.c:76 entry_SYSCALL_64_after_hwframe+0x68/0xd2 -> #0 (&dquot->dq_lock){+.+.}-{3:3}: check_prev_add kernel/locking/lockdep.c:3162 [inline] check_prevs_add kernel/locking/lockdep.c:3281 [inline] validate_chain kernel/locking/lockdep.c:3897 [inline] __lock_acquire+0x3a03/0x7ea0 kernel/locking/lockdep.c:5171 lock_acquire+0x1bc/0x4a0 kernel/locking/lockdep.c:5790 __mutex_lock_common kernel/locking/mutex.c:603 [inline] __mutex_lock+0x12d/0xae0 kernel/locking/mutex.c:747 dquot_commit+0x5a/0x410 fs/quota/dquot.c:535 ext4_write_dquot+0x1f0/0x360 fs/ext4/super.c:6817 mark_dquot_dirty fs/quota/dquot.c:400 [inline] mark_all_dquot_dirty+0xf9/0x400 fs/quota/dquot.c:440 __dquot_free_space+0x7f8/0xbc0 fs/quota/dquot.c:1967 dquot_free_space_nodirty include/linux/quotaops.h:372 [inline] dquot_free_space include/linux/quotaops.h:377 [inline] dquot_free_block include/linux/quotaops.h:388 [inline] ext4_mb_clear_bb fs/ext4/mballoc.c:6153 [inline] ext4_free_blocks+0x1be5/0x26a0 fs/ext4/mballoc.c:6283 ext4_remove_blocks fs/ext4/extents.c:2541 [inline] ext4_ext_rm_leaf fs/ext4/extents.c:2707 [inline] ext4_ext_remove_space+0x1e82/0x43d0 fs/ext4/extents.c:2955 ext4_ext_truncate+0x213/0x370 fs/ext4/extents.c:4491 ext4_truncate+0xa5b/0x12a0 fs/ext4/inode.c:4302 ext4_evict_inode+0xb21/0x10e0 fs/ext4/inode.c:288 evict+0x4b6/0x8b0 fs/inode.c:705 ext4_orphan_cleanup+0xdfe/0x1650 fs/ext4/orphan.c:472 __ext4_fill_super fs/ext4/super.c:5574 [inline] ext4_fill_super+0x6f0c/0x78f0 fs/ext4/super.c:5693 get_tree_bdev+0x3e6/0x610 fs/super.c:1377 vfs_get_tree+0x88/0x270 fs/super.c:1584 do_new_mount+0x247/0xa40 fs/namespace.c:3078 do_mount fs/namespace.c:3421 [inline] __do_sys_mount fs/namespace.c:3629 [inline] __se_sys_mount+0x2e3/0x3d0 fs/namespace.c:3606 do_syscall_x64 arch/x86/entry/common.c:46 [inline] do_syscall_64+0x4c/0xa0 arch/x86/entry/common.c:76 entry_SYSCALL_64_after_hwframe+0x68/0xd2 other info that might help us debug this: Chain exists of: &dquot->dq_lock --> &s->s_dquot.dqio_sem --> &ei->i_data_sem/2 Possible unsafe locking scenario: CPU0 CPU1 ---- ---- lock(&ei->i_data_sem/2); lock(&s->s_dquot.dqio_sem); lock(&ei->i_data_sem/2); lock(&dquot->dq_lock); *** DEADLOCK *** 4 locks held by syz.0.179/4751: #0: ffff888024c1e0e0 (&type->s_umount_key#27/1){+.+.}-{3:3}, at: alloc_super+0x1fb/0x930 fs/super.c:228 #1: ffff888024c1e650 (sb_internal){.+.+}-{0:0}, at: __sb_start_write include/linux/fs.h:1897 [inline] #1: ffff888024c1e650 (sb_internal){.+.+}-{0:0}, at: sb_start_intwrite include/linux/fs.h:2019 [inline] #1: ffff888024c1e650 (sb_internal){.+.+}-{0:0}, at: ext4_evict_inode+0x431/0x10e0 fs/ext4/inode.c:242 #2: ffff888061c35cd0 (&ei->i_data_sem/2){++++}-{3:3}, at: ext4_truncate+0x9ae/0x12a0 fs/ext4/inode.c:4297 #3: ffffffff8da74c48 (dquot_srcu){....}-{0:0}, at: rcu_lock_acquire include/linux/rcupdate.h:350 [inline] #3: ffffffff8da74c48 (dquot_srcu){....}-{0:0}, at: srcu_read_lock include/linux/srcu.h:165 [inline] #3: ffffffff8da74c48 (dquot_srcu){....}-{0:0}, at: __dquot_free_space+0x172/0xbc0 fs/quota/dquot.c:1940 stack backtrace: CPU: 0 PID: 4751 Comm: syz.0.179 Not tainted syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026 Call Trace: dump_stack_lvl+0x188/0x24e lib/dump_stack.c:106 check_noncircular+0x2f8/0x400 kernel/locking/lockdep.c:2215 check_prev_add kernel/locking/lockdep.c:3162 [inline] check_prevs_add kernel/locking/lockdep.c:3281 [inline] validate_chain kernel/locking/lockdep.c:3897 [inline] __lock_acquire+0x3a03/0x7ea0 kernel/locking/lockdep.c:5171 lock_acquire+0x1bc/0x4a0 kernel/locking/lockdep.c:5790 __mutex_lock_common kernel/locking/mutex.c:603 [inline] __mutex_lock+0x12d/0xae0 kernel/locking/mutex.c:747 dquot_commit+0x5a/0x410 fs/quota/dquot.c:535 ext4_write_dquot+0x1f0/0x360 fs/ext4/super.c:6817 mark_dquot_dirty fs/quota/dquot.c:400 [inline] mark_all_dquot_dirty+0xf9/0x400 fs/quota/dquot.c:440 __dquot_free_space+0x7f8/0xbc0 fs/quota/dquot.c:1967 dquot_free_space_nodirty include/linux/quotaops.h:372 [inline] dquot_free_space include/linux/quotaops.h:377 [inline] dquot_free_block include/linux/quotaops.h:388 [inline] ext4_mb_clear_bb fs/ext4/mballoc.c:6153 [inline] ext4_free_blocks+0x1be5/0x26a0 fs/ext4/mballoc.c:6283 ext4_remove_blocks fs/ext4/extents.c:2541 [inline] ext4_ext_rm_leaf fs/ext4/extents.c:2707 [inline] ext4_ext_remove_space+0x1e82/0x43d0 fs/ext4/extents.c:2955 ext4_ext_truncate+0x213/0x370 fs/ext4/extents.c:4491 ext4_truncate+0xa5b/0x12a0 fs/ext4/inode.c:4302 ext4_evict_inode+0xb21/0x10e0 fs/ext4/inode.c:288 evict+0x4b6/0x8b0 fs/inode.c:705 ext4_orphan_cleanup+0xdfe/0x1650 fs/ext4/orphan.c:472 __ext4_fill_super fs/ext4/super.c:5574 [inline] ext4_fill_super+0x6f0c/0x78f0 fs/ext4/super.c:5693 get_tree_bdev+0x3e6/0x610 fs/super.c:1377 vfs_get_tree+0x88/0x270 fs/super.c:1584 do_new_mount+0x247/0xa40 fs/namespace.c:3078 do_mount fs/namespace.c:3421 [inline] __do_sys_mount fs/namespace.c:3629 [inline] __se_sys_mount+0x2e3/0x3d0 fs/namespace.c:3606 do_syscall_x64 arch/x86/entry/common.c:46 [inline] do_syscall_64+0x4c/0xa0 arch/x86/entry/common.c:76 entry_SYSCALL_64_after_hwframe+0x68/0xd2 RIP: 0033:0x7f171259f44a Code: 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48 RSP: 002b:00007fffd70d8c78 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 RAX: ffffffffffffffda RBX: 00007fffd70d8d00 RCX: 00007f171259f44a RDX: 0000200000000040 RSI: 0000200000000500 RDI: 00007fffd70d8cc0 RBP: 0000200000000040 R08: 00007fffd70d8d00 R09: 0000000000004500 R10: 0000000000004500 R11: 0000000000000246 R12: 0000200000000500 R13: 00007fffd70d8cc0 R14: 00000000000004b4 R15: 000000000000002c EXT4-fs (loop0): 1 orphan inode deleted ext4 filesystem being mounted at /162/file1 supports timestamps until 2038-01-19 (0x7fffffff) final repro crashed as (corrupted=false): ====================================================== WARNING: possible circular locking dependency detected syzkaller #0 Not tainted ------------------------------------------------------ syz.0.179/4751 is trying to acquire lock: ffff88807298ece8 (&dquot->dq_lock){+.+.}-{3:3}, at: dquot_commit+0x5a/0x410 fs/quota/dquot.c:535 but task is already holding lock: ffff888061c35cd0 (&ei->i_data_sem/2){++++}-{3:3}, at: ext4_truncate+0x9ae/0x12a0 fs/ext4/inode.c:4297 which lock already depends on the new lock. the existing dependency chain (in reverse order) is: -> #2 (&ei->i_data_sem/2){++++}-{3:3}: down_read+0x42/0x2d0 kernel/locking/rwsem.c:1520 ext4_map_blocks+0x338/0x1a90 fs/ext4/inode.c:606 ext4_getblk+0x1c5/0x720 fs/ext4/inode.c:892 ext4_bread+0x26/0x170 fs/ext4/inode.c:948 ext4_quota_write+0x237/0x580 fs/ext4/super.c:7228 write_blk fs/quota/quota_tree.c:70 [inline] get_free_dqblk+0x2dc/0x630 fs/quota/quota_tree.c:136 do_insert_tree+0x22b/0x1060 fs/quota/quota_tree.c:347 do_insert_tree+0x9f5/0x1060 fs/quota/quota_tree.c:402 dq_insert_tree fs/quota/quota_tree.c:432 [inline] qtree_write_dquot+0x49b/0x5d0 fs/quota/quota_tree.c:451 v2_write_dquot+0x108/0x190 fs/quota/quota_v2.c:361 dquot_acquire+0x2d5/0x520 fs/quota/dquot.c:500 ext4_acquire_dquot+0x2e3/0x4a0 fs/ext4/super.c:6837 dqget+0x713/0xbb0 fs/quota/dquot.c:1013 __dquot_initialize+0x3a9/0xd00 fs/quota/dquot.c:1542 ext4_process_orphan+0x4c/0x2e0 fs/ext4/orphan.c:327 ext4_orphan_cleanup+0xdfe/0x1650 fs/ext4/orphan.c:472 __ext4_fill_super fs/ext4/super.c:5574 [inline] ext4_fill_super+0x6f0c/0x78f0 fs/ext4/super.c:5693 get_tree_bdev+0x3e6/0x610 fs/super.c:1377 vfs_get_tree+0x88/0x270 fs/super.c:1584 do_new_mount+0x247/0xa40 fs/namespace.c:3078 do_mount fs/namespace.c:3421 [inline] __do_sys_mount fs/namespace.c:3629 [inline] __se_sys_mount+0x2e3/0x3d0 fs/namespace.c:3606 do_syscall_x64 arch/x86/entry/common.c:46 [inline] do_syscall_64+0x4c/0xa0 arch/x86/entry/common.c:76 entry_SYSCALL_64_after_hwframe+0x68/0xd2 -> #1 (&s->s_dquot.dqio_sem){++++}-{3:3}: down_read+0x42/0x2d0 kernel/locking/rwsem.c:1520 v2_read_dquot+0x4a/0x110 fs/quota/quota_v2.c:335 dquot_acquire+0x152/0x520 fs/quota/dquot.c:491 ext4_acquire_dquot+0x2e3/0x4a0 fs/ext4/super.c:6837 dqget+0x713/0xbb0 fs/quota/dquot.c:1013 __dquot_initialize+0x3a9/0xd00 fs/quota/dquot.c:1542 ext4_process_orphan+0x4c/0x2e0 fs/ext4/orphan.c:327 ext4_orphan_cleanup+0xdfe/0x1650 fs/ext4/orphan.c:472 __ext4_fill_super fs/ext4/super.c:5574 [inline] ext4_fill_super+0x6f0c/0x78f0 fs/ext4/super.c:5693 get_tree_bdev+0x3e6/0x610 fs/super.c:1377 vfs_get_tree+0x88/0x270 fs/super.c:1584 do_new_mount+0x247/0xa40 fs/namespace.c:3078 do_mount fs/namespace.c:3421 [inline] __do_sys_mount fs/namespace.c:3629 [inline] __se_sys_mount+0x2e3/0x3d0 fs/namespace.c:3606 do_syscall_x64 arch/x86/entry/common.c:46 [inline] do_syscall_64+0x4c/0xa0 arch/x86/entry/common.c:76 entry_SYSCALL_64_after_hwframe+0x68/0xd2 -> #0 (&dquot->dq_lock){+.+.}-{3:3}: check_prev_add kernel/locking/lockdep.c:3162 [inline] check_prevs_add kernel/locking/lockdep.c:3281 [inline] validate_chain kernel/locking/lockdep.c:3897 [inline] __lock_acquire+0x3a03/0x7ea0 kernel/locking/lockdep.c:5171 lock_acquire+0x1bc/0x4a0 kernel/locking/lockdep.c:5790 __mutex_lock_common kernel/locking/mutex.c:603 [inline] __mutex_lock+0x12d/0xae0 kernel/locking/mutex.c:747 dquot_commit+0x5a/0x410 fs/quota/dquot.c:535 ext4_write_dquot+0x1f0/0x360 fs/ext4/super.c:6817 mark_dquot_dirty fs/quota/dquot.c:400 [inline] mark_all_dquot_dirty+0xf9/0x400 fs/quota/dquot.c:440 __dquot_free_space+0x7f8/0xbc0 fs/quota/dquot.c:1967 dquot_free_space_nodirty include/linux/quotaops.h:372 [inline] dquot_free_space include/linux/quotaops.h:377 [inline] dquot_free_block include/linux/quotaops.h:388 [inline] ext4_mb_clear_bb fs/ext4/mballoc.c:6153 [inline] ext4_free_blocks+0x1be5/0x26a0 fs/ext4/mballoc.c:6283 ext4_remove_blocks fs/ext4/extents.c:2541 [inline] ext4_ext_rm_leaf fs/ext4/extents.c:2707 [inline] ext4_ext_remove_space+0x1e82/0x43d0 fs/ext4/extents.c:2955 ext4_ext_truncate+0x213/0x370 fs/ext4/extents.c:4491 ext4_truncate+0xa5b/0x12a0 fs/ext4/inode.c:4302 ext4_evict_inode+0xb21/0x10e0 fs/ext4/inode.c:288 evict+0x4b6/0x8b0 fs/inode.c:705 ext4_orphan_cleanup+0xdfe/0x1650 fs/ext4/orphan.c:472 __ext4_fill_super fs/ext4/super.c:5574 [inline] ext4_fill_super+0x6f0c/0x78f0 fs/ext4/super.c:5693 get_tree_bdev+0x3e6/0x610 fs/super.c:1377 vfs_get_tree+0x88/0x270 fs/super.c:1584 do_new_mount+0x247/0xa40 fs/namespace.c:3078 do_mount fs/namespace.c:3421 [inline] __do_sys_mount fs/namespace.c:3629 [inline] __se_sys_mount+0x2e3/0x3d0 fs/namespace.c:3606 do_syscall_x64 arch/x86/entry/common.c:46 [inline] do_syscall_64+0x4c/0xa0 arch/x86/entry/common.c:76 entry_SYSCALL_64_after_hwframe+0x68/0xd2 other info that might help us debug this: Chain exists of: &dquot->dq_lock --> &s->s_dquot.dqio_sem --> &ei->i_data_sem/2 Possible unsafe locking scenario: CPU0 CPU1 ---- ---- lock(&ei->i_data_sem/2); lock(&s->s_dquot.dqio_sem); lock(&ei->i_data_sem/2); lock(&dquot->dq_lock); *** DEADLOCK *** 4 locks held by syz.0.179/4751: #0: ffff888024c1e0e0 (&type->s_umount_key#27/1){+.+.}-{3:3}, at: alloc_super+0x1fb/0x930 fs/super.c:228 #1: ffff888024c1e650 (sb_internal){.+.+}-{0:0}, at: __sb_start_write include/linux/fs.h:1897 [inline] #1: ffff888024c1e650 (sb_internal){.+.+}-{0:0}, at: sb_start_intwrite include/linux/fs.h:2019 [inline] #1: ffff888024c1e650 (sb_internal){.+.+}-{0:0}, at: ext4_evict_inode+0x431/0x10e0 fs/ext4/inode.c:242 #2: ffff888061c35cd0 (&ei->i_data_sem/2){++++}-{3:3}, at: ext4_truncate+0x9ae/0x12a0 fs/ext4/inode.c:4297 #3: ffffffff8da74c48 (dquot_srcu){....}-{0:0}, at: rcu_lock_acquire include/linux/rcupdate.h:350 [inline] #3: ffffffff8da74c48 (dquot_srcu){....}-{0:0}, at: srcu_read_lock include/linux/srcu.h:165 [inline] #3: ffffffff8da74c48 (dquot_srcu){....}-{0:0}, at: __dquot_free_space+0x172/0xbc0 fs/quota/dquot.c:1940 stack backtrace: CPU: 0 PID: 4751 Comm: syz.0.179 Not tainted syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026 Call Trace: dump_stack_lvl+0x188/0x24e lib/dump_stack.c:106 check_noncircular+0x2f8/0x400 kernel/locking/lockdep.c:2215 check_prev_add kernel/locking/lockdep.c:3162 [inline] check_prevs_add kernel/locking/lockdep.c:3281 [inline] validate_chain kernel/locking/lockdep.c:3897 [inline] __lock_acquire+0x3a03/0x7ea0 kernel/locking/lockdep.c:5171 lock_acquire+0x1bc/0x4a0 kernel/locking/lockdep.c:5790 __mutex_lock_common kernel/locking/mutex.c:603 [inline] __mutex_lock+0x12d/0xae0 kernel/locking/mutex.c:747 dquot_commit+0x5a/0x410 fs/quota/dquot.c:535 ext4_write_dquot+0x1f0/0x360 fs/ext4/super.c:6817 mark_dquot_dirty fs/quota/dquot.c:400 [inline] mark_all_dquot_dirty+0xf9/0x400 fs/quota/dquot.c:440 __dquot_free_space+0x7f8/0xbc0 fs/quota/dquot.c:1967 dquot_free_space_nodirty include/linux/quotaops.h:372 [inline] dquot_free_space include/linux/quotaops.h:377 [inline] dquot_free_block include/linux/quotaops.h:388 [inline] ext4_mb_clear_bb fs/ext4/mballoc.c:6153 [inline] ext4_free_blocks+0x1be5/0x26a0 fs/ext4/mballoc.c:6283 ext4_remove_blocks fs/ext4/extents.c:2541 [inline] ext4_ext_rm_leaf fs/ext4/extents.c:2707 [inline] ext4_ext_remove_space+0x1e82/0x43d0 fs/ext4/extents.c:2955 ext4_ext_truncate+0x213/0x370 fs/ext4/extents.c:4491 ext4_truncate+0xa5b/0x12a0 fs/ext4/inode.c:4302 ext4_evict_inode+0xb21/0x10e0 fs/ext4/inode.c:288 evict+0x4b6/0x8b0 fs/inode.c:705 ext4_orphan_cleanup+0xdfe/0x1650 fs/ext4/orphan.c:472 __ext4_fill_super fs/ext4/super.c:5574 [inline] ext4_fill_super+0x6f0c/0x78f0 fs/ext4/super.c:5693 get_tree_bdev+0x3e6/0x610 fs/super.c:1377 vfs_get_tree+0x88/0x270 fs/super.c:1584 do_new_mount+0x247/0xa40 fs/namespace.c:3078 do_mount fs/namespace.c:3421 [inline] __do_sys_mount fs/namespace.c:3629 [inline] __se_sys_mount+0x2e3/0x3d0 fs/namespace.c:3606 do_syscall_x64 arch/x86/entry/common.c:46 [inline] do_syscall_64+0x4c/0xa0 arch/x86/entry/common.c:76 entry_SYSCALL_64_after_hwframe+0x68/0xd2 RIP: 0033:0x7f171259f44a Code: 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48 RSP: 002b:00007fffd70d8c78 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 RAX: ffffffffffffffda RBX: 00007fffd70d8d00 RCX: 00007f171259f44a RDX: 0000200000000040 RSI: 0000200000000500 RDI: 00007fffd70d8cc0 RBP: 0000200000000040 R08: 00007fffd70d8d00 R09: 0000000000004500 R10: 0000000000004500 R11: 0000000000000246 R12: 0000200000000500 R13: 00007fffd70d8cc0 R14: 00000000000004b4 R15: 000000000000002c EXT4-fs (loop0): 1 orphan inode deleted ext4 filesystem being mounted at /162/file1 supports timestamps until 2038-01-19 (0x7fffffff)