Extracting prog: 1m36.932004481s Minimizing prog: 2m10.968812891s Simplifying prog options: 0s Extracting C: 32.834433384s Simplifying C: 7m49.073972454s 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$ext4(&(0x7f0000000100)='ext4\x00', &(0x7f0000000200)='./file1\x00', 0x3000000, &(0x7f00000006c0), 0x1, 0x513, &(0x7f0000000c40)="$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") syz_mount_image$ext4(&(0x7f0000000040)='ext4\x00', &(0x7f0000000500)='./file0\x00', 0x8413, &(0x7f0000000080)={[{@noload}, {@discard}, {@nogrpid}, {@noblock_validity}]}, 0x0, 0x50e, &(0x7f0000000a40)="$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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=45.681814639s, {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(&(0x7f0000000100)='ext4\x00', &(0x7f0000000200)='./file1\x00', 0x3000000, &(0x7f00000006c0), 0x1, 0x513, &(0x7f0000000c40)="$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") program did not crash testing program (duration=45.681814639s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_mount_image$ext4 detailed listing: executing program 0: syz_mount_image$ext4(&(0x7f0000000040)='ext4\x00', &(0x7f0000000500)='./file0\x00', 0x8413, &(0x7f0000000080)={[{@noload}, {@discard}, {@nogrpid}, {@noblock_validity}]}, 0x0, 0x50e, &(0x7f0000000a40)="$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") program did not crash extracting C reproducer testing compiled C program (duration=45.681814639s, {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=45.681814639s, {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=45.681814639s, {Threaded:false Repeat:false RepeatTimes:0 Procs:1 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:false Cgroups:false 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 did not crash testing compiled C program (duration=45.681814639s, {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=45.681814639s, {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=45.681814639s, {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=45.681814639s, {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=45.681814639s, {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=45.681814639s, {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=45.681814639s, {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$ext4(&(0x7f0000000100)='ext4\x00', &(0x7f0000000200)='./file1\x00', 0x3000000, &(0x7f00000006c0), 0x1, 0x513, &(0x7f0000000c40)="$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") syz_mount_image$ext4(&(0x7f0000000040)='ext4\x00', &(0x7f0000000500)='./file0\x00', 0x8413, &(0x7f0000000080)={[{@noload}, {@discard}, {@nogrpid}, {@noblock_validity}]}, 0x0, 0x50e, &(0x7f0000000a40)="$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") program crashed: possible deadlock in dquot_commit validation run: crashed=true testing program (duration=45.681814639s, {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$ext4(&(0x7f0000000100)='ext4\x00', &(0x7f0000000200)='./file1\x00', 0x3000000, &(0x7f00000006c0), 0x1, 0x513, &(0x7f0000000c40)="$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") syz_mount_image$ext4(&(0x7f0000000040)='ext4\x00', &(0x7f0000000500)='./file0\x00', 0x8413, &(0x7f0000000080)={[{@noload}, {@discard}, {@nogrpid}, {@noblock_validity}]}, 0x0, 0x50e, &(0x7f0000000a40)="$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") program crashed: possible deadlock in dquot_commit validation run: crashed=true testing program (duration=45.681814639s, {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$ext4(&(0x7f0000000100)='ext4\x00', &(0x7f0000000200)='./file1\x00', 0x3000000, &(0x7f00000006c0), 0x1, 0x513, &(0x7f0000000c40)="$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") syz_mount_image$ext4(&(0x7f0000000040)='ext4\x00', &(0x7f0000000500)='./file0\x00', 0x8413, &(0x7f0000000080)={[{@noload}, {@discard}, {@nogrpid}, {@noblock_validity}]}, 0x0, 0x50e, &(0x7f0000000a40)="$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") program crashed: possible deadlock in dquot_commit validation run: crashed=true reproducing took 15m25.750646342s repro crashed as (corrupted=false): ====================================================== WARNING: possible circular locking dependency detected syzkaller #0 Not tainted ------------------------------------------------------ syz.0.78/4705 is trying to acquire lock: ffff0000e4ec9768 (&dquot->dq_lock){+.+.}-{3:3}, at: dquot_commit+0x54/0x1c8 fs/quota/dquot.c:532 but task is already holding lock: ffff0000e4f0f0e0 (&ei->i_data_sem/2){++++}-{3:3}, at: ext4_truncate+0x7d8/0x1090 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+0x64/0x300 kernel/locking/rwsem.c:1520 ext4_map_blocks+0x270/0x160c fs/ext4/inode.c:606 ext4_getblk+0x178/0x680 fs/ext4/inode.c:892 ext4_bread+0x3c/0x1a8 fs/ext4/inode.c:948 ext4_quota_read+0x160/0x358 fs/ext4/super.c:7182 read_blk fs/quota/quota_tree.c:61 [inline] find_tree_dqentry+0x178/0xc2c fs/quota/quota_tree.c:671 find_tree_dqentry+0x4fc/0xc2c fs/quota/quota_tree.c:698 find_tree_dqentry+0x4fc/0xc2c fs/quota/quota_tree.c:698 find_tree_dqentry+0x4fc/0xc2c fs/quota/quota_tree.c:698 find_dqentry fs/quota/quota_tree.c:716 [inline] qtree_read_dquot+0x45c/0x748 fs/quota/quota_tree.c:736 v2_read_dquot+0xbc/0x118 fs/quota/quota_v2.c:336 dquot_acquire+0x108/0x4b8 fs/quota/dquot.c:488 ext4_acquire_dquot+0x270/0x420 fs/ext4/super.c:6837 dqget+0x638/0xa98 fs/quota/dquot.c:1010 __dquot_initialize+0x280/0xb30 fs/quota/dquot.c:1539 dquot_initialize+0x24/0x34 fs/quota/dquot.c:1601 ext4_process_orphan+0x5c/0x2c0 fs/ext4/orphan.c:327 ext4_orphan_cleanup+0x964/0x1090 fs/ext4/orphan.c:472 __ext4_fill_super fs/ext4/super.c:5574 [inline] ext4_fill_super+0x5af8/0x63bc fs/ext4/super.c:5693 get_tree_bdev+0x35c/0x54c fs/super.c:1366 ext4_get_tree+0x28/0x38 fs/ext4/super.c:5723 vfs_get_tree+0x90/0x278 fs/super.c:1573 do_new_mount+0x228/0x804 fs/namespace.c:3078 path_mount+0x5ac/0xe6c 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+0x4a0/0x5a0 fs/namespace.c:3606 __invoke_syscall arch/arm64/kernel/syscall.c:38 [inline] invoke_syscall+0x98/0x290 arch/arm64/kernel/syscall.c:52 el0_svc_common+0x13c/0x258 arch/arm64/kernel/syscall.c:140 do_el0_svc+0x5c/0x134 arch/arm64/kernel/syscall.c:204 el0_svc+0x58/0x128 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 (&s->s_dquot.dqio_sem){++++}-{3:3}: down_read+0x64/0x300 kernel/locking/rwsem.c:1520 v2_read_dquot+0x4c/0x118 fs/quota/quota_v2.c:335 dquot_acquire+0x108/0x4b8 fs/quota/dquot.c:488 ext4_acquire_dquot+0x270/0x420 fs/ext4/super.c:6837 dqget+0x638/0xa98 fs/quota/dquot.c:1010 __dquot_initialize+0x280/0xb30 fs/quota/dquot.c:1539 dquot_initialize+0x24/0x34 fs/quota/dquot.c:1601 ext4_process_orphan+0x5c/0x2c0 fs/ext4/orphan.c:327 ext4_orphan_cleanup+0x964/0x1090 fs/ext4/orphan.c:472 __ext4_fill_super fs/ext4/super.c:5574 [inline] ext4_fill_super+0x5af8/0x63bc fs/ext4/super.c:5693 get_tree_bdev+0x35c/0x54c fs/super.c:1366 ext4_get_tree+0x28/0x38 fs/ext4/super.c:5723 vfs_get_tree+0x90/0x278 fs/super.c:1573 do_new_mount+0x228/0x804 fs/namespace.c:3078 path_mount+0x5ac/0xe6c 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+0x4a0/0x5a0 fs/namespace.c:3606 __invoke_syscall arch/arm64/kernel/syscall.c:38 [inline] invoke_syscall+0x98/0x290 arch/arm64/kernel/syscall.c:52 el0_svc_common+0x13c/0x258 arch/arm64/kernel/syscall.c:140 do_el0_svc+0x5c/0x134 arch/arm64/kernel/syscall.c:204 el0_svc+0x58/0x128 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 (&dquot->dq_lock){+.+.}-{3:3}: check_prev_add kernel/locking/lockdep.c:3095 [inline] check_prevs_add kernel/locking/lockdep.c:3214 [inline] validate_chain kernel/locking/lockdep.c:3830 [inline] __lock_acquire+0x2808/0x6634 kernel/locking/lockdep.c:5063 lock_acquire+0x20c/0x638 kernel/locking/lockdep.c:5676 __mutex_lock_common+0x1a0/0x1f3c kernel/locking/mutex.c:603 __mutex_lock kernel/locking/mutex.c:747 [inline] mutex_lock_nested+0x38/0x44 kernel/locking/mutex.c:799 dquot_commit+0x54/0x1c8 fs/quota/dquot.c:532 ext4_write_dquot+0x1b4/0x320 fs/ext4/super.c:6817 ext4_mark_dquot_dirty+0xe8/0x150 fs/ext4/super.c:6894 mark_dquot_dirty fs/quota/dquot.c:397 [inline] mark_all_dquot_dirty+0x1f8/0x424 fs/quota/dquot.c:437 __dquot_free_space+0x768/0xaa4 fs/quota/dquot.c:1964 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+0x18dc/0x2468 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+0x1618/0x3b98 fs/ext4/extents.c:2955 ext4_ext_truncate+0x170/0x218 fs/ext4/extents.c:4491 ext4_truncate+0xa00/0x1090 fs/ext4/inode.c:4302 ext4_evict_inode+0xbd0/0x1264 fs/ext4/inode.c:288 evict+0x3d8/0x824 fs/inode.c:705 iput_final fs/inode.c:1834 [inline] iput+0x728/0x7e8 fs/inode.c:1860 ext4_process_orphan+0x24c/0x2c0 fs/ext4/orphan.c:358 ext4_orphan_cleanup+0x964/0x1090 fs/ext4/orphan.c:472 __ext4_fill_super fs/ext4/super.c:5574 [inline] ext4_fill_super+0x5af8/0x63bc fs/ext4/super.c:5693 get_tree_bdev+0x35c/0x54c fs/super.c:1366 ext4_get_tree+0x28/0x38 fs/ext4/super.c:5723 vfs_get_tree+0x90/0x278 fs/super.c:1573 do_new_mount+0x228/0x804 fs/namespace.c:3078 path_mount+0x5ac/0xe6c 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+0x4a0/0x5a0 fs/namespace.c:3606 __invoke_syscall arch/arm64/kernel/syscall.c:38 [inline] invoke_syscall+0x98/0x290 arch/arm64/kernel/syscall.c:52 el0_svc_common+0x13c/0x258 arch/arm64/kernel/syscall.c:140 do_el0_svc+0x5c/0x134 arch/arm64/kernel/syscall.c:204 el0_svc+0x58/0x128 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: &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.0.78/4705: #0: ffff0000d9f180e0 (&type->s_umount_key#26/1){+.+.}-{3:3}, at: alloc_super+0x1a0/0x840 fs/super.c:228 #1: ffff0000d9f18650 (sb_internal){.+.+}-{0:0}, at: __sb_start_write include/linux/fs.h:1891 [inline] #1: ffff0000d9f18650 (sb_internal){.+.+}-{0:0}, at: sb_start_intwrite include/linux/fs.h:2013 [inline] #1: ffff0000d9f18650 (sb_internal){.+.+}-{0:0}, at: ext4_evict_inode+0x3e0/0x1264 fs/ext4/inode.c:242 #2: ffff0000e4f0f0e0 (&ei->i_data_sem/2){++++}-{3:3}, at: ext4_truncate+0x7d8/0x1090 fs/ext4/inode.c:4297 #3: ffff80001568c968 (dquot_srcu){....}-{0:0}, at: rcu_lock_acquire+0x10/0x4c include/linux/rcupdate.h:349 stack backtrace: CPU: 1 PID: 4705 Comm: syz.0.78 Not tainted syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/02/2026 Call trace: dump_backtrace+0x1c4/0x1f0 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+0xf4/0x15c 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+0x264/0x2f8 kernel/locking/lockdep.c:2170 check_prev_add kernel/locking/lockdep.c:3095 [inline] check_prevs_add kernel/locking/lockdep.c:3214 [inline] validate_chain kernel/locking/lockdep.c:3830 [inline] __lock_acquire+0x2808/0x6634 kernel/locking/lockdep.c:5063 lock_acquire+0x20c/0x638 kernel/locking/lockdep.c:5676 __mutex_lock_common+0x1a0/0x1f3c kernel/locking/mutex.c:603 __mutex_lock kernel/locking/mutex.c:747 [inline] mutex_lock_nested+0x38/0x44 kernel/locking/mutex.c:799 dquot_commit+0x54/0x1c8 fs/quota/dquot.c:532 ext4_write_dquot+0x1b4/0x320 fs/ext4/super.c:6817 ext4_mark_dquot_dirty+0xe8/0x150 fs/ext4/super.c:6894 mark_dquot_dirty fs/quota/dquot.c:397 [inline] mark_all_dquot_dirty+0x1f8/0x424 fs/quota/dquot.c:437 __dquot_free_space+0x768/0xaa4 fs/quota/dquot.c:1964 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+0x18dc/0x2468 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+0x1618/0x3b98 fs/ext4/extents.c:2955 ext4_ext_truncate+0x170/0x218 fs/ext4/extents.c:4491 ext4_truncate+0xa00/0x1090 fs/ext4/inode.c:4302 ext4_evict_inode+0xbd0/0x1264 fs/ext4/inode.c:288 evict+0x3d8/0x824 fs/inode.c:705 iput_final fs/inode.c:1834 [inline] iput+0x728/0x7e8 fs/inode.c:1860 ext4_process_orphan+0x24c/0x2c0 fs/ext4/orphan.c:358 ext4_orphan_cleanup+0x964/0x1090 fs/ext4/orphan.c:472 __ext4_fill_super fs/ext4/super.c:5574 [inline] ext4_fill_super+0x5af8/0x63bc fs/ext4/super.c:5693 get_tree_bdev+0x35c/0x54c fs/super.c:1366 ext4_get_tree+0x28/0x38 fs/ext4/super.c:5723 vfs_get_tree+0x90/0x278 fs/super.c:1573 do_new_mount+0x228/0x804 fs/namespace.c:3078 path_mount+0x5ac/0xe6c 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+0x4a0/0x5a0 fs/namespace.c:3606 __invoke_syscall arch/arm64/kernel/syscall.c:38 [inline] invoke_syscall+0x98/0x290 arch/arm64/kernel/syscall.c:52 el0_svc_common+0x13c/0x258 arch/arm64/kernel/syscall.c:140 do_el0_svc+0x5c/0x134 arch/arm64/kernel/syscall.c:204 el0_svc+0x58/0x128 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 EXT4-fs (loop0): 1 orphan inode deleted final repro crashed as (corrupted=false): ====================================================== WARNING: possible circular locking dependency detected syzkaller #0 Not tainted ------------------------------------------------------ syz.0.78/4705 is trying to acquire lock: ffff0000e4ec9768 (&dquot->dq_lock){+.+.}-{3:3}, at: dquot_commit+0x54/0x1c8 fs/quota/dquot.c:532 but task is already holding lock: ffff0000e4f0f0e0 (&ei->i_data_sem/2){++++}-{3:3}, at: ext4_truncate+0x7d8/0x1090 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+0x64/0x300 kernel/locking/rwsem.c:1520 ext4_map_blocks+0x270/0x160c fs/ext4/inode.c:606 ext4_getblk+0x178/0x680 fs/ext4/inode.c:892 ext4_bread+0x3c/0x1a8 fs/ext4/inode.c:948 ext4_quota_read+0x160/0x358 fs/ext4/super.c:7182 read_blk fs/quota/quota_tree.c:61 [inline] find_tree_dqentry+0x178/0xc2c fs/quota/quota_tree.c:671 find_tree_dqentry+0x4fc/0xc2c fs/quota/quota_tree.c:698 find_tree_dqentry+0x4fc/0xc2c fs/quota/quota_tree.c:698 find_tree_dqentry+0x4fc/0xc2c fs/quota/quota_tree.c:698 find_dqentry fs/quota/quota_tree.c:716 [inline] qtree_read_dquot+0x45c/0x748 fs/quota/quota_tree.c:736 v2_read_dquot+0xbc/0x118 fs/quota/quota_v2.c:336 dquot_acquire+0x108/0x4b8 fs/quota/dquot.c:488 ext4_acquire_dquot+0x270/0x420 fs/ext4/super.c:6837 dqget+0x638/0xa98 fs/quota/dquot.c:1010 __dquot_initialize+0x280/0xb30 fs/quota/dquot.c:1539 dquot_initialize+0x24/0x34 fs/quota/dquot.c:1601 ext4_process_orphan+0x5c/0x2c0 fs/ext4/orphan.c:327 ext4_orphan_cleanup+0x964/0x1090 fs/ext4/orphan.c:472 __ext4_fill_super fs/ext4/super.c:5574 [inline] ext4_fill_super+0x5af8/0x63bc fs/ext4/super.c:5693 get_tree_bdev+0x35c/0x54c fs/super.c:1366 ext4_get_tree+0x28/0x38 fs/ext4/super.c:5723 vfs_get_tree+0x90/0x278 fs/super.c:1573 do_new_mount+0x228/0x804 fs/namespace.c:3078 path_mount+0x5ac/0xe6c 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+0x4a0/0x5a0 fs/namespace.c:3606 __invoke_syscall arch/arm64/kernel/syscall.c:38 [inline] invoke_syscall+0x98/0x290 arch/arm64/kernel/syscall.c:52 el0_svc_common+0x13c/0x258 arch/arm64/kernel/syscall.c:140 do_el0_svc+0x5c/0x134 arch/arm64/kernel/syscall.c:204 el0_svc+0x58/0x128 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 (&s->s_dquot.dqio_sem){++++}-{3:3}: down_read+0x64/0x300 kernel/locking/rwsem.c:1520 v2_read_dquot+0x4c/0x118 fs/quota/quota_v2.c:335 dquot_acquire+0x108/0x4b8 fs/quota/dquot.c:488 ext4_acquire_dquot+0x270/0x420 fs/ext4/super.c:6837 dqget+0x638/0xa98 fs/quota/dquot.c:1010 __dquot_initialize+0x280/0xb30 fs/quota/dquot.c:1539 dquot_initialize+0x24/0x34 fs/quota/dquot.c:1601 ext4_process_orphan+0x5c/0x2c0 fs/ext4/orphan.c:327 ext4_orphan_cleanup+0x964/0x1090 fs/ext4/orphan.c:472 __ext4_fill_super fs/ext4/super.c:5574 [inline] ext4_fill_super+0x5af8/0x63bc fs/ext4/super.c:5693 get_tree_bdev+0x35c/0x54c fs/super.c:1366 ext4_get_tree+0x28/0x38 fs/ext4/super.c:5723 vfs_get_tree+0x90/0x278 fs/super.c:1573 do_new_mount+0x228/0x804 fs/namespace.c:3078 path_mount+0x5ac/0xe6c 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+0x4a0/0x5a0 fs/namespace.c:3606 __invoke_syscall arch/arm64/kernel/syscall.c:38 [inline] invoke_syscall+0x98/0x290 arch/arm64/kernel/syscall.c:52 el0_svc_common+0x13c/0x258 arch/arm64/kernel/syscall.c:140 do_el0_svc+0x5c/0x134 arch/arm64/kernel/syscall.c:204 el0_svc+0x58/0x128 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 (&dquot->dq_lock){+.+.}-{3:3}: check_prev_add kernel/locking/lockdep.c:3095 [inline] check_prevs_add kernel/locking/lockdep.c:3214 [inline] validate_chain kernel/locking/lockdep.c:3830 [inline] __lock_acquire+0x2808/0x6634 kernel/locking/lockdep.c:5063 lock_acquire+0x20c/0x638 kernel/locking/lockdep.c:5676 __mutex_lock_common+0x1a0/0x1f3c kernel/locking/mutex.c:603 __mutex_lock kernel/locking/mutex.c:747 [inline] mutex_lock_nested+0x38/0x44 kernel/locking/mutex.c:799 dquot_commit+0x54/0x1c8 fs/quota/dquot.c:532 ext4_write_dquot+0x1b4/0x320 fs/ext4/super.c:6817 ext4_mark_dquot_dirty+0xe8/0x150 fs/ext4/super.c:6894 mark_dquot_dirty fs/quota/dquot.c:397 [inline] mark_all_dquot_dirty+0x1f8/0x424 fs/quota/dquot.c:437 __dquot_free_space+0x768/0xaa4 fs/quota/dquot.c:1964 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+0x18dc/0x2468 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+0x1618/0x3b98 fs/ext4/extents.c:2955 ext4_ext_truncate+0x170/0x218 fs/ext4/extents.c:4491 ext4_truncate+0xa00/0x1090 fs/ext4/inode.c:4302 ext4_evict_inode+0xbd0/0x1264 fs/ext4/inode.c:288 evict+0x3d8/0x824 fs/inode.c:705 iput_final fs/inode.c:1834 [inline] iput+0x728/0x7e8 fs/inode.c:1860 ext4_process_orphan+0x24c/0x2c0 fs/ext4/orphan.c:358 ext4_orphan_cleanup+0x964/0x1090 fs/ext4/orphan.c:472 __ext4_fill_super fs/ext4/super.c:5574 [inline] ext4_fill_super+0x5af8/0x63bc fs/ext4/super.c:5693 get_tree_bdev+0x35c/0x54c fs/super.c:1366 ext4_get_tree+0x28/0x38 fs/ext4/super.c:5723 vfs_get_tree+0x90/0x278 fs/super.c:1573 do_new_mount+0x228/0x804 fs/namespace.c:3078 path_mount+0x5ac/0xe6c 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+0x4a0/0x5a0 fs/namespace.c:3606 __invoke_syscall arch/arm64/kernel/syscall.c:38 [inline] invoke_syscall+0x98/0x290 arch/arm64/kernel/syscall.c:52 el0_svc_common+0x13c/0x258 arch/arm64/kernel/syscall.c:140 do_el0_svc+0x5c/0x134 arch/arm64/kernel/syscall.c:204 el0_svc+0x58/0x128 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: &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.0.78/4705: #0: ffff0000d9f180e0 (&type->s_umount_key#26/1){+.+.}-{3:3}, at: alloc_super+0x1a0/0x840 fs/super.c:228 #1: ffff0000d9f18650 (sb_internal){.+.+}-{0:0}, at: __sb_start_write include/linux/fs.h:1891 [inline] #1: ffff0000d9f18650 (sb_internal){.+.+}-{0:0}, at: sb_start_intwrite include/linux/fs.h:2013 [inline] #1: ffff0000d9f18650 (sb_internal){.+.+}-{0:0}, at: ext4_evict_inode+0x3e0/0x1264 fs/ext4/inode.c:242 #2: ffff0000e4f0f0e0 (&ei->i_data_sem/2){++++}-{3:3}, at: ext4_truncate+0x7d8/0x1090 fs/ext4/inode.c:4297 #3: ffff80001568c968 (dquot_srcu){....}-{0:0}, at: rcu_lock_acquire+0x10/0x4c include/linux/rcupdate.h:349 stack backtrace: CPU: 1 PID: 4705 Comm: syz.0.78 Not tainted syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/02/2026 Call trace: dump_backtrace+0x1c4/0x1f0 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+0xf4/0x15c 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+0x264/0x2f8 kernel/locking/lockdep.c:2170 check_prev_add kernel/locking/lockdep.c:3095 [inline] check_prevs_add kernel/locking/lockdep.c:3214 [inline] validate_chain kernel/locking/lockdep.c:3830 [inline] __lock_acquire+0x2808/0x6634 kernel/locking/lockdep.c:5063 lock_acquire+0x20c/0x638 kernel/locking/lockdep.c:5676 __mutex_lock_common+0x1a0/0x1f3c kernel/locking/mutex.c:603 __mutex_lock kernel/locking/mutex.c:747 [inline] mutex_lock_nested+0x38/0x44 kernel/locking/mutex.c:799 dquot_commit+0x54/0x1c8 fs/quota/dquot.c:532 ext4_write_dquot+0x1b4/0x320 fs/ext4/super.c:6817 ext4_mark_dquot_dirty+0xe8/0x150 fs/ext4/super.c:6894 mark_dquot_dirty fs/quota/dquot.c:397 [inline] mark_all_dquot_dirty+0x1f8/0x424 fs/quota/dquot.c:437 __dquot_free_space+0x768/0xaa4 fs/quota/dquot.c:1964 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+0x18dc/0x2468 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+0x1618/0x3b98 fs/ext4/extents.c:2955 ext4_ext_truncate+0x170/0x218 fs/ext4/extents.c:4491 ext4_truncate+0xa00/0x1090 fs/ext4/inode.c:4302 ext4_evict_inode+0xbd0/0x1264 fs/ext4/inode.c:288 evict+0x3d8/0x824 fs/inode.c:705 iput_final fs/inode.c:1834 [inline] iput+0x728/0x7e8 fs/inode.c:1860 ext4_process_orphan+0x24c/0x2c0 fs/ext4/orphan.c:358 ext4_orphan_cleanup+0x964/0x1090 fs/ext4/orphan.c:472 __ext4_fill_super fs/ext4/super.c:5574 [inline] ext4_fill_super+0x5af8/0x63bc fs/ext4/super.c:5693 get_tree_bdev+0x35c/0x54c fs/super.c:1366 ext4_get_tree+0x28/0x38 fs/ext4/super.c:5723 vfs_get_tree+0x90/0x278 fs/super.c:1573 do_new_mount+0x228/0x804 fs/namespace.c:3078 path_mount+0x5ac/0xe6c 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+0x4a0/0x5a0 fs/namespace.c:3606 __invoke_syscall arch/arm64/kernel/syscall.c:38 [inline] invoke_syscall+0x98/0x290 arch/arm64/kernel/syscall.c:52 el0_svc_common+0x13c/0x258 arch/arm64/kernel/syscall.c:140 do_el0_svc+0x5c/0x134 arch/arm64/kernel/syscall.c:204 el0_svc+0x58/0x128 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 EXT4-fs (loop0): 1 orphan inode deleted