Extracting prog: 5m9.421265664s
Minimizing prog: 14m17.396311954s
Simplifying prog options: 0s
Extracting C: 37.433813509s
Simplifying C: 13m1.663111024s


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$ext4-getegid-syz_mount_image$ext4
detailed listing:
executing program 0:
syz_mount_image$ext4(&(0x7f0000000040)='ext4\x00', &(0x7f0000000500)='./file1\x00', 0x4511, &(0x7f0000000540), 0x12, 0x4b4, &(0x7f0000001b00)="$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")
getegid()
syz_mount_image$ext4(&(0x7f0000000100)='ext4\x00', &(0x7f0000000200)='./file1\x00', 0x2000000, &(0x7f0000000240), 0x1, 0x4d9, &(0x7f0000000b00)="$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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$ext4-getegid-syz_mount_image$ext4
detailed listing:
executing program 0:
syz_mount_image$ext4(&(0x7f0000000040)='ext4\x00', &(0x7f0000000500)='./file1\x00', 0x4511, &(0x7f0000000540), 0x12, 0x4b4, &(0x7f0000001b00)="$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")
getegid()
syz_mount_image$ext4(&(0x7f0000000100)='ext4\x00', &(0x7f0000000200)='./file1\x00', 0x2000000, &(0x7f0000000240), 0x1, 0x4d9, &(0x7f0000000b00)="$eJzs3dFrW18dAPDvvW1+v27rz2QqogPncJNu6JJ2dVsRmRNEnwbqfK+1TUtp2pQmnWsZ2uEfIIio4JNPvgj+AYLswT9AhIG+iw5FdNMHH3RXktzq1iVtZF3TpZ8PnN1z7kny/Z6subk393BvACfWhYi4HREjEXElIor5+jQvs63GTudxz54+mG+VJLLs7l+TSPJ1u6/Vao9GxJnOU2IsIr76pYhvJK/GbWxtr8zVatWNvF1prq5XGlvbV5dX55aqS9W16empGzM3Z67PTGa51xpnKSJufeHJD7770y/e+uWnvvn72T9f/lYrrc9+qNP/4jgOU2fohfZ7sav1Hm28iWADMJKPpzDoRAAA6EtrH//9EfHx9v5/MUbae3MAAADAMMk+Nx7/SiIyAAAAYGilETEeSVrO5wKMR5qWy505vB+M02mt3mh+crG+ubbQ6osoRSFdXK5VJ/O5wqUoJK32VD7Hdrd9bU97OiLORsT3i6fa7fJ8vbYw6B8/AAAA4IQ4s+f4/x/FtF0HAAAAhkypZwMAAAAYFg75AQAAYPg5/gcAAICh9uU7d1ol273/9cK9rc2V+r2rC9XGSnl1c748X99YLy/V60vta/atHvR6tXp9/dOxtnm/0qw2mpXG1vbsan1zrTm7/NItsAEAAIAjdPZjj36XRMTOZ061S+TXAQR4yR8HnQBwmEYGnQAwMKODTgAYmMKgEwAGLjmg3+QdAAB4+0185NXz/+/kfX4bgOFmrg8AnDzO/8PJVTADEE6893UW7/bq73n+/9f9Rsiy/zspAADgUI23S5KW83OB45Gm5XLEe+3bAhSSxeVadTI/PvhtsfBuqz3VfmZy4JxhAAAAAAAAAAAAAAAAAAAAAAAAAKAjy5LIAAAAgKEWkf4paV/NP2KieGl87+8D7yT/LMaTvPHjuz+8P9dsbky11v+t2O6PiOaP8vXXMrcEAAAAgGOgc5yeL6cGnQ0AAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAw+bZ0wfzu+Uo4/7l8xFR6hZ/NMbay7EoRMTpvycx+sLzkogYOYT4Ow8j4sPd4ifxPMuyUp5Ft/in3nD8Uvut6R4/jYgzhxAfTrJHre3P7W6fvzQutJfdP3+jeXldvbd/6X+3fyM9tj/v9Rnj3OOfV3rGfxhxbrT79mc3ftIj/sU+43/9a9vbvfqyn0RMdP3+SV6KVWmurlcaW9tXl1fnlqpL1bXp6akbMzdnrs9MVhaXa9X8364xvvfRXzzfb/yne8QvHTD+S32O/9+P7z/9QKda6Bb/8sWu379j0SN+mn/3fSKvt/ondus7nfqLzv/sN+f3G/9Cj/Ef9P9/uc/xX/nKd/7Q50MBgCPQ2NpemavVqhv7VMb6eMzbWPnV2LFIQ6VW3ci+3fl7PC75dCrZ8UhjIJVBb5kAAIDD9r+d/kFnAgAAAAAAAAAAAAAAAAAAACfXUVxObG/MncEMFQAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAABgX/8JAAD//wCX37w=")

program crashed: possible deadlock in dquot_commit
single: successfully extracted reproducer
found reproducer with 3 syscalls
minimizing guilty program
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$ext4-getegid
detailed listing:
executing program 0:
syz_mount_image$ext4(&(0x7f0000000040)='ext4\x00', &(0x7f0000000500)='./file1\x00', 0x4511, &(0x7f0000000540), 0x12, 0x4b4, &(0x7f0000001b00)="$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")
getegid()

program did not crash
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$ext4(&(0x7f0000000040)='ext4\x00', &(0x7f0000000500)='./file1\x00', 0x4511, &(0x7f0000000540), 0x12, 0x4b4, &(0x7f0000001b00)="$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")
syz_mount_image$ext4(&(0x7f0000000100)='ext4\x00', &(0x7f0000000200)='./file1\x00', 0x2000000, &(0x7f0000000240), 0x1, 0x4d9, &(0x7f0000000b00)="$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")

program crashed: possible deadlock in dquot_commit
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$ext4
detailed listing:
executing program 0:
syz_mount_image$ext4(&(0x7f0000000100)='ext4\x00', &(0x7f0000000200)='./file1\x00', 0x2000000, &(0x7f0000000240), 0x1, 0x4d9, &(0x7f0000000b00)="$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")

program did not crash
extracting C reproducer
testing compiled C 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
program crashed: possible deadlock in dquot_commit
simplifying C reproducer
testing compiled C program (duration=6m0s, {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 ext4_map_blocks
a never seen crash title: possible deadlock in ext4_map_blocks, ignore
testing compiled C program (duration=6m0s, {Threaded:true 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=6m0s, {Threaded:true 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=6m0s, {Threaded:true 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=6m0s, {Threaded:true 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 crashed: no output from test machine
a never seen crash title: no output from test machine, ignore
testing compiled C program (duration=6m0s, {Threaded:true 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=6m0s, {Threaded:true 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=6m0s, {Threaded:true 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$ext4(&(0x7f0000000040)='ext4\x00', &(0x7f0000000500)='./file1\x00', 0x4511, &(0x7f0000000540), 0x12, 0x4b4, &(0x7f0000001b00)="$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")
syz_mount_image$ext4(&(0x7f0000000100)='ext4\x00', &(0x7f0000000200)='./file1\x00', 0x2000000, &(0x7f0000000240), 0x1, 0x4d9, &(0x7f0000000b00)="$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")

program crashed: possible deadlock in dquot_commit
validation run: crashed=true
testing program (duration=6m0s, {Threaded:true 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$ext4(&(0x7f0000000040)='ext4\x00', &(0x7f0000000500)='./file1\x00', 0x4511, &(0x7f0000000540), 0x12, 0x4b4, &(0x7f0000001b00)="$eJzs3d9rW9cdAPDvvbay/HBmZ9tDFlgWlgwnbJHseEnMHrIMxvIU2Ja9Z54tG2PZMpacxCYMh/0BgzHWQp/61JdC/4BCyZ9QCoH2vbSlpbRJ+9CHtiqSrtLElWKHyL5gfz5wfM+5V9L3e2x0dc+9x7oB7FunIuJqRAxExLmIGM7Wp1m51mxstB/36OHd6WZJotG48VkSSbau81pJtjzSfkocjIi/XYv4Z/LDuLW19YWpSqW8krVL9cXlUm1t/fz84tRcea68NDExfmny8uTFybG+9HMkIq786aP//+e1P19567e337/5ydl/NdMayrY/2Y9+ane90PpddAxGxMpOBMvBQLYs5JwHAADb0zzG/0lE/Kp1/D8cA62jUwAAAGAvafxhKL5OIhoAAADAnpW25sAmaTGbCzAUaVostufw/iwOp5Vqrf6b2erq0kx7ruxIFNLZ+Up5LJsrPBKFpNkez+bYdtoXNrUnIuJYRPxv+FCrXZyuVmbyPvkBAAAA+8SRTeP/L4fb438AAABgjxnJOwEAAABgxxn/AwAAwN5n/A8AAAB72l+uX2+WRuf+1zO31lYXqrfOz5RrC8XF1enidHVluThXrc61vrNvcavXq1Sry7+LpdU7pXq5Vi/V1tZvLlZXl+o355+6BTYAAACwi4798v57SURs/P5QqzQdyDspYFckz/PgD3cuD2D3DeSdAJCbwbwTAHJTyDsBIHdbnQfoOXnn7f7nAgAA7IzRn/e+/u/cAOxtad4JAAC7zvV/2L8KZgDCvvfjLba/+PX/RuO5EgIAAPpuqFWStJhdCxyKNC0WI462bgtQSGbnK+WxbHzw7nDhR832eOuZyfP97zAAAAAAAAAAAAAAAAAAAAAAAAAA7GONRhINAAAAYE+LSD9OWt/mHzE6fGZo8/mBA8lXw61lRNx+5cZLd6bq9ZXx5vrPH6+vv5ytv5DHGQwAAABgs844vTOOBwAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAIB+evTw7nSn7GbcT/8YESPd4g/GwdbyYBQi4vAXSQw+8bwkIgb6EH/jXkQc7xY/aaYVI1kW3eIfyjF+GhFH+hAf9rP7zf3P1W7vvzROtZbd33+DWXlRvfd/6eP930CP/c/RbcY48eCNUs/49yJODHbf/3TiJz3in95m/H/8fX2917bGqxGjXT9/kqdileqLy6Xa2vr5+cWpufJceWliYvzS5OXJi5Njpdn5Sjn72TXGf3/x5rfP6v/hHvFHtuj/mW32/5sHdx7+tF0tdIt/9nT3z9/jPeKn2Wffr7N6c/top77Rrj/p5OvvnHxW/2d69H+rv//Zbfb/3F///cE2HwoA7ILa2vrCVKVSXlFRUVF5XMl7zwQAAPTb9wf9eWcCAAAAAAAAAAAAAAAAAAAA+9dufJ3Y5pgb+XQVAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAOCZvgsAAP//96DU7Q==")
syz_mount_image$ext4(&(0x7f0000000100)='ext4\x00', &(0x7f0000000200)='./file1\x00', 0x2000000, &(0x7f0000000240), 0x1, 0x4d9, &(0x7f0000000b00)="$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")

program crashed: possible deadlock in dquot_commit
validation run: crashed=true
testing program (duration=6m0s, {Threaded:true 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$ext4(&(0x7f0000000040)='ext4\x00', &(0x7f0000000500)='./file1\x00', 0x4511, &(0x7f0000000540), 0x12, 0x4b4, &(0x7f0000001b00)="$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")
syz_mount_image$ext4(&(0x7f0000000100)='ext4\x00', &(0x7f0000000200)='./file1\x00', 0x2000000, &(0x7f0000000240), 0x1, 0x4d9, &(0x7f0000000b00)="$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")

program crashed: possible deadlock in dquot_commit
validation run: crashed=true
reproducing took 36m49.161591198s
repro crashed as (corrupted=false):
loop0: detected capacity change from 0 to 512
EXT4-fs (loop0): orphan cleanup on readonly fs
======================================================
WARNING: possible circular locking dependency detected
syzkaller #0 Not tainted
------------------------------------------------------
syz.0.55/4659 is trying to acquire lock:
ffff88806ef8e5e8 (&dquot->dq_lock){+.+.}-{3:3}, at: dquot_commit+0x5a/0x410 fs/quota/dquot.c:507

but task is already holding lock:
ffff88806ef16628 (&ei->i_data_sem/2){++++}-{3:3}, at: ext4_truncate+0x96d/0x10d0 fs/ext4/inode.c:4245

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+0x44/0x2e0 kernel/locking/rwsem.c:1498
       ext4_map_blocks+0x32f/0x1b30 fs/ext4/inode.c:598
       ext4_getblk+0x16d/0x630 fs/ext4/inode.c:870
       ext4_bread+0x26/0x180 fs/ext4/inode.c:923
       ext4_quota_write+0x230/0x570 fs/ext4/super.c:6596
       write_blk fs/quota/quota_tree.c:64 [inline]
       get_free_dqblk+0x387/0x7d0 fs/quota/quota_tree.c:125
       do_insert_tree+0x214/0x1970 fs/quota/quota_tree.c:335
       do_insert_tree+0x5b1/0x1970 fs/quota/quota_tree.c:366
       do_insert_tree+0x5b1/0x1970 fs/quota/quota_tree.c:366
       do_insert_tree+0x5b1/0x1970 fs/quota/quota_tree.c:366
       dq_insert_tree fs/quota/quota_tree.c:392 [inline]
       qtree_write_dquot+0x361/0x4b0 fs/quota/quota_tree.c:411
       v2_write_dquot+0x108/0x190 fs/quota/quota_v2.c:358
       dquot_acquire+0x2d5/0x520 fs/quota/dquot.c:472
       ext4_acquire_dquot+0x2d9/0x4a0 fs/ext4/super.c:6205
       dqget+0x778/0xeb0 fs/quota/dquot.c:988
       __dquot_initialize+0x3b6/0xcb0 fs/quota/dquot.c:1517
       ext4_process_orphan+0x54/0x300 fs/ext4/orphan.c:329
       ext4_orphan_cleanup+0xaa9/0x12e0 fs/ext4/orphan.c:474
       ext4_fill_super+0x92f0/0x9a60 fs/ext4/super.c:4975
       mount_bdev+0x287/0x3c0 fs/super.c:1400
       legacy_get_tree+0xe6/0x180 fs/fs_context.c:611
       vfs_get_tree+0x88/0x270 fs/super.c:1530
       do_new_mount+0x24a/0xa40 fs/namespace.c:3025
       do_mount fs/namespace.c:3368 [inline]
       __do_sys_mount fs/namespace.c:3576 [inline]
       __se_sys_mount+0x2d6/0x3c0 fs/namespace.c:3553
       do_syscall_x64 arch/x86/entry/common.c:50 [inline]
       do_syscall_64+0x4c/0xa0 arch/x86/entry/common.c:80
       entry_SYSCALL_64_after_hwframe+0x66/0xd0

-> #1 (&s->s_dquot.dqio_sem){++++}-{3:3}:
       down_read+0x44/0x2e0 kernel/locking/rwsem.c:1498
       v2_read_dquot+0x4a/0x110 fs/quota/quota_v2.c:332
       dquot_acquire+0x152/0x520 fs/quota/dquot.c:463
       ext4_acquire_dquot+0x2d9/0x4a0 fs/ext4/super.c:6205
       dqget+0x778/0xeb0 fs/quota/dquot.c:988
       __dquot_initialize+0x3b6/0xcb0 fs/quota/dquot.c:1517
       ext4_process_orphan+0x54/0x300 fs/ext4/orphan.c:329
       ext4_orphan_cleanup+0xaa9/0x12e0 fs/ext4/orphan.c:474
       ext4_fill_super+0x92f0/0x9a60 fs/ext4/super.c:4975
       mount_bdev+0x287/0x3c0 fs/super.c:1400
       legacy_get_tree+0xe6/0x180 fs/fs_context.c:611
       vfs_get_tree+0x88/0x270 fs/super.c:1530
       do_new_mount+0x24a/0xa40 fs/namespace.c:3025
       do_mount fs/namespace.c:3368 [inline]
       __do_sys_mount fs/namespace.c:3576 [inline]
       __se_sys_mount+0x2d6/0x3c0 fs/namespace.c:3553
       do_syscall_x64 arch/x86/entry/common.c:50 [inline]
       do_syscall_64+0x4c/0xa0 arch/x86/entry/common.c:80
       entry_SYSCALL_64_after_hwframe+0x66/0xd0

-> #0 (&dquot->dq_lock){+.+.}-{3:3}:
       check_prev_add kernel/locking/lockdep.c:3053 [inline]
       check_prevs_add kernel/locking/lockdep.c:3172 [inline]
       validate_chain kernel/locking/lockdep.c:3788 [inline]
       __lock_acquire+0x2c33/0x7c60 kernel/locking/lockdep.c:5012
       lock_acquire+0x197/0x3f0 kernel/locking/lockdep.c:5623
       __mutex_lock_common+0x1eb/0x2390 kernel/locking/mutex.c:596
       __mutex_lock kernel/locking/mutex.c:729 [inline]
       mutex_lock_nested+0x17/0x20 kernel/locking/mutex.c:743
       dquot_commit+0x5a/0x410 fs/quota/dquot.c:507
       ext4_write_dquot+0x1f0/0x360 fs/ext4/super.c:6185
       mark_dquot_dirty fs/quota/dquot.c:372 [inline]
       mark_all_dquot_dirty+0xf9/0x400 fs/quota/dquot.c:412
       __dquot_free_space+0x7ca/0xb90 fs/quota/dquot.c:1942
       dquot_free_space_nodirty include/linux/quotaops.h:376 [inline]
       dquot_free_space include/linux/quotaops.h:381 [inline]
       dquot_free_block include/linux/quotaops.h:392 [inline]
       ext4_mb_clear_bb fs/ext4/mballoc.c:6151 [inline]
       ext4_free_blocks+0x1af5/0x2480 fs/ext4/mballoc.c:6281
       ext4_remove_blocks fs/ext4/extents.c:2525 [inline]
       ext4_ext_rm_leaf fs/ext4/extents.c:2691 [inline]
       ext4_ext_remove_space+0x1eaa/0x43a0 fs/ext4/extents.c:2939
       ext4_ext_truncate+0x192/0x240 fs/ext4/extents.c:4473
       ext4_truncate+0x9f1/0x10d0 fs/ext4/inode.c:4250
       ext4_evict_inode+0xb43/0x1080 fs/ext4/inode.c:289
       evict+0x485/0x870 fs/inode.c:647
       ext4_orphan_cleanup+0xaa9/0x12e0 fs/ext4/orphan.c:474
       ext4_fill_super+0x92f0/0x9a60 fs/ext4/super.c:4975
       mount_bdev+0x287/0x3c0 fs/super.c:1400
       legacy_get_tree+0xe6/0x180 fs/fs_context.c:611
       vfs_get_tree+0x88/0x270 fs/super.c:1530
       do_new_mount+0x24a/0xa40 fs/namespace.c:3025
       do_mount fs/namespace.c:3368 [inline]
       __do_sys_mount fs/namespace.c:3576 [inline]
       __se_sys_mount+0x2d6/0x3c0 fs/namespace.c:3553
       do_syscall_x64 arch/x86/entry/common.c:50 [inline]
       do_syscall_64+0x4c/0xa0 arch/x86/entry/common.c:80
       entry_SYSCALL_64_after_hwframe+0x66/0xd0

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.0.55/4659:
 #0: ffff88807a36c0e0 (&type->s_umount_key#28/1){+.+.}-{3:3}, at: alloc_super+0x201/0x950 fs/super.c:229
 #1: ffff88807a36c650 (sb_internal){.+.+}-{0:0}, at: __sb_start_write include/linux/fs.h:1811 [inline]
 #1: ffff88807a36c650 (sb_internal){.+.+}-{0:0}, at: sb_start_intwrite include/linux/fs.h:1928 [inline]
 #1: ffff88807a36c650 (sb_internal){.+.+}-{0:0}, at: ext4_evict_inode+0x444/0x1080 fs/ext4/inode.c:243
 #2: ffff88806ef16628 (&ei->i_data_sem/2){++++}-{3:3}, at: ext4_truncate+0x96d/0x10d0 fs/ext4/inode.c:4245
 #3: ffffffff8c23ebd8 (dquot_srcu){....}-{0:0}, at: rcu_lock_acquire+0x5/0x30 include/linux/rcupdate.h:311

stack backtrace:
CPU: 1 PID: 4659 Comm: syz.0.55 Not tainted syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025
Call Trace:
 <TASK>
 dump_stack_lvl+0x168/0x230 lib/dump_stack.c:106
 check_noncircular+0x274/0x310 kernel/locking/lockdep.c:2133
 check_prev_add kernel/locking/lockdep.c:3053 [inline]
 check_prevs_add kernel/locking/lockdep.c:3172 [inline]
 validate_chain kernel/locking/lockdep.c:3788 [inline]
 __lock_acquire+0x2c33/0x7c60 kernel/locking/lockdep.c:5012
 lock_acquire+0x197/0x3f0 kernel/locking/lockdep.c:5623
 __mutex_lock_common+0x1eb/0x2390 kernel/locking/mutex.c:596
 __mutex_lock kernel/locking/mutex.c:729 [inline]
 mutex_lock_nested+0x17/0x20 kernel/locking/mutex.c:743
 dquot_commit+0x5a/0x410 fs/quota/dquot.c:507
 ext4_write_dquot+0x1f0/0x360 fs/ext4/super.c:6185
 mark_dquot_dirty fs/quota/dquot.c:372 [inline]
 mark_all_dquot_dirty+0xf9/0x400 fs/quota/dquot.c:412
 __dquot_free_space+0x7ca/0xb90 fs/quota/dquot.c:1942
 dquot_free_space_nodirty include/linux/quotaops.h:376 [inline]
 dquot_free_space include/linux/quotaops.h:381 [inline]
 dquot_free_block include/linux/quotaops.h:392 [inline]
 ext4_mb_clear_bb fs/ext4/mballoc.c:6151 [inline]
 ext4_free_blocks+0x1af5/0x2480 fs/ext4/mballoc.c:6281
 ext4_remove_blocks fs/ext4/extents.c:2525 [inline]
 ext4_ext_rm_leaf fs/ext4/extents.c:2691 [inline]
 ext4_ext_remove_space+0x1eaa/0x43a0 fs/ext4/extents.c:2939
 ext4_ext_truncate+0x192/0x240 fs/ext4/extents.c:4473
 ext4_truncate+0x9f1/0x10d0 fs/ext4/inode.c:4250
 ext4_evict_inode+0xb43/0x1080 fs/ext4/inode.c:289
 evict+0x485/0x870 fs/inode.c:647
 ext4_orphan_cleanup+0xaa9/0x12e0 fs/ext4/orphan.c:474
 ext4_fill_super+0x92f0/0x9a60 fs/ext4/super.c:4975
 mount_bdev+0x287/0x3c0 fs/super.c:1400
 legacy_get_tree+0xe6/0x180 fs/fs_context.c:611
 vfs_get_tree+0x88/0x270 fs/super.c:1530
 do_new_mount+0x24a/0xa40 fs/namespace.c:3025
 do_mount fs/namespace.c:3368 [inline]
 __do_sys_mount fs/namespace.c:3576 [inline]
 __se_sys_mount+0x2d6/0x3c0 fs/namespace.c:3553
 do_syscall_x64 arch/x86/entry/common.c:50 [inline]
 do_syscall_64+0x4c/0xa0 arch/x86/entry/common.c:80
 entry_SYSCALL_64_after_hwframe+0x66/0xd0
RIP: 0033:0x7efe0ccbd38a
Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 1a 00 00 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 a8 ff ff ff f7 d8 64 89 01 48
RSP: 002b:00007efe0c32ae68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
RAX: ffffffffffffffda RBX: 00007efe0c32aef0 RCX: 00007efe0ccbd38a
RDX: 0000200000000040 RSI: 0000200000000500 RDI: 00007efe0c32aeb0
RBP: 0000200000000040 R08: 00007efe0c32aef0 R09: 0000000000004511
R10: 0000000000004511 R11: 0000000000000246 R12: 0000200000000500
R13: 00007efe0c32aeb0 R14: 00000000000004b4 R15: 0000200000000540
 </TASK>
EXT4-fs (loop0): 1 orphan inode deleted
EXT4-fs (loop0): mounted filesystem without journal. Opts: ,errors=continue. Quota mode: writeback.

final repro crashed as (corrupted=false):
loop0: detected capacity change from 0 to 512
EXT4-fs (loop0): orphan cleanup on readonly fs
======================================================
WARNING: possible circular locking dependency detected
syzkaller #0 Not tainted
------------------------------------------------------
syz.0.55/4659 is trying to acquire lock:
ffff88806ef8e5e8 (&dquot->dq_lock){+.+.}-{3:3}, at: dquot_commit+0x5a/0x410 fs/quota/dquot.c:507

but task is already holding lock:
ffff88806ef16628 (&ei->i_data_sem/2){++++}-{3:3}, at: ext4_truncate+0x96d/0x10d0 fs/ext4/inode.c:4245

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+0x44/0x2e0 kernel/locking/rwsem.c:1498
       ext4_map_blocks+0x32f/0x1b30 fs/ext4/inode.c:598
       ext4_getblk+0x16d/0x630 fs/ext4/inode.c:870
       ext4_bread+0x26/0x180 fs/ext4/inode.c:923
       ext4_quota_write+0x230/0x570 fs/ext4/super.c:6596
       write_blk fs/quota/quota_tree.c:64 [inline]
       get_free_dqblk+0x387/0x7d0 fs/quota/quota_tree.c:125
       do_insert_tree+0x214/0x1970 fs/quota/quota_tree.c:335
       do_insert_tree+0x5b1/0x1970 fs/quota/quota_tree.c:366
       do_insert_tree+0x5b1/0x1970 fs/quota/quota_tree.c:366
       do_insert_tree+0x5b1/0x1970 fs/quota/quota_tree.c:366
       dq_insert_tree fs/quota/quota_tree.c:392 [inline]
       qtree_write_dquot+0x361/0x4b0 fs/quota/quota_tree.c:411
       v2_write_dquot+0x108/0x190 fs/quota/quota_v2.c:358
       dquot_acquire+0x2d5/0x520 fs/quota/dquot.c:472
       ext4_acquire_dquot+0x2d9/0x4a0 fs/ext4/super.c:6205
       dqget+0x778/0xeb0 fs/quota/dquot.c:988
       __dquot_initialize+0x3b6/0xcb0 fs/quota/dquot.c:1517
       ext4_process_orphan+0x54/0x300 fs/ext4/orphan.c:329
       ext4_orphan_cleanup+0xaa9/0x12e0 fs/ext4/orphan.c:474
       ext4_fill_super+0x92f0/0x9a60 fs/ext4/super.c:4975
       mount_bdev+0x287/0x3c0 fs/super.c:1400
       legacy_get_tree+0xe6/0x180 fs/fs_context.c:611
       vfs_get_tree+0x88/0x270 fs/super.c:1530
       do_new_mount+0x24a/0xa40 fs/namespace.c:3025
       do_mount fs/namespace.c:3368 [inline]
       __do_sys_mount fs/namespace.c:3576 [inline]
       __se_sys_mount+0x2d6/0x3c0 fs/namespace.c:3553
       do_syscall_x64 arch/x86/entry/common.c:50 [inline]
       do_syscall_64+0x4c/0xa0 arch/x86/entry/common.c:80
       entry_SYSCALL_64_after_hwframe+0x66/0xd0

-> #1 (&s->s_dquot.dqio_sem){++++}-{3:3}:
       down_read+0x44/0x2e0 kernel/locking/rwsem.c:1498
       v2_read_dquot+0x4a/0x110 fs/quota/quota_v2.c:332
       dquot_acquire+0x152/0x520 fs/quota/dquot.c:463
       ext4_acquire_dquot+0x2d9/0x4a0 fs/ext4/super.c:6205
       dqget+0x778/0xeb0 fs/quota/dquot.c:988
       __dquot_initialize+0x3b6/0xcb0 fs/quota/dquot.c:1517
       ext4_process_orphan+0x54/0x300 fs/ext4/orphan.c:329
       ext4_orphan_cleanup+0xaa9/0x12e0 fs/ext4/orphan.c:474
       ext4_fill_super+0x92f0/0x9a60 fs/ext4/super.c:4975
       mount_bdev+0x287/0x3c0 fs/super.c:1400
       legacy_get_tree+0xe6/0x180 fs/fs_context.c:611
       vfs_get_tree+0x88/0x270 fs/super.c:1530
       do_new_mount+0x24a/0xa40 fs/namespace.c:3025
       do_mount fs/namespace.c:3368 [inline]
       __do_sys_mount fs/namespace.c:3576 [inline]
       __se_sys_mount+0x2d6/0x3c0 fs/namespace.c:3553
       do_syscall_x64 arch/x86/entry/common.c:50 [inline]
       do_syscall_64+0x4c/0xa0 arch/x86/entry/common.c:80
       entry_SYSCALL_64_after_hwframe+0x66/0xd0

-> #0 (&dquot->dq_lock){+.+.}-{3:3}:
       check_prev_add kernel/locking/lockdep.c:3053 [inline]
       check_prevs_add kernel/locking/lockdep.c:3172 [inline]
       validate_chain kernel/locking/lockdep.c:3788 [inline]
       __lock_acquire+0x2c33/0x7c60 kernel/locking/lockdep.c:5012
       lock_acquire+0x197/0x3f0 kernel/locking/lockdep.c:5623
       __mutex_lock_common+0x1eb/0x2390 kernel/locking/mutex.c:596
       __mutex_lock kernel/locking/mutex.c:729 [inline]
       mutex_lock_nested+0x17/0x20 kernel/locking/mutex.c:743
       dquot_commit+0x5a/0x410 fs/quota/dquot.c:507
       ext4_write_dquot+0x1f0/0x360 fs/ext4/super.c:6185
       mark_dquot_dirty fs/quota/dquot.c:372 [inline]
       mark_all_dquot_dirty+0xf9/0x400 fs/quota/dquot.c:412
       __dquot_free_space+0x7ca/0xb90 fs/quota/dquot.c:1942
       dquot_free_space_nodirty include/linux/quotaops.h:376 [inline]
       dquot_free_space include/linux/quotaops.h:381 [inline]
       dquot_free_block include/linux/quotaops.h:392 [inline]
       ext4_mb_clear_bb fs/ext4/mballoc.c:6151 [inline]
       ext4_free_blocks+0x1af5/0x2480 fs/ext4/mballoc.c:6281
       ext4_remove_blocks fs/ext4/extents.c:2525 [inline]
       ext4_ext_rm_leaf fs/ext4/extents.c:2691 [inline]
       ext4_ext_remove_space+0x1eaa/0x43a0 fs/ext4/extents.c:2939
       ext4_ext_truncate+0x192/0x240 fs/ext4/extents.c:4473
       ext4_truncate+0x9f1/0x10d0 fs/ext4/inode.c:4250
       ext4_evict_inode+0xb43/0x1080 fs/ext4/inode.c:289
       evict+0x485/0x870 fs/inode.c:647
       ext4_orphan_cleanup+0xaa9/0x12e0 fs/ext4/orphan.c:474
       ext4_fill_super+0x92f0/0x9a60 fs/ext4/super.c:4975
       mount_bdev+0x287/0x3c0 fs/super.c:1400
       legacy_get_tree+0xe6/0x180 fs/fs_context.c:611
       vfs_get_tree+0x88/0x270 fs/super.c:1530
       do_new_mount+0x24a/0xa40 fs/namespace.c:3025
       do_mount fs/namespace.c:3368 [inline]
       __do_sys_mount fs/namespace.c:3576 [inline]
       __se_sys_mount+0x2d6/0x3c0 fs/namespace.c:3553
       do_syscall_x64 arch/x86/entry/common.c:50 [inline]
       do_syscall_64+0x4c/0xa0 arch/x86/entry/common.c:80
       entry_SYSCALL_64_after_hwframe+0x66/0xd0

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.0.55/4659:
 #0: ffff88807a36c0e0 (&type->s_umount_key#28/1){+.+.}-{3:3}, at: alloc_super+0x201/0x950 fs/super.c:229
 #1: ffff88807a36c650 (sb_internal){.+.+}-{0:0}, at: __sb_start_write include/linux/fs.h:1811 [inline]
 #1: ffff88807a36c650 (sb_internal){.+.+}-{0:0}, at: sb_start_intwrite include/linux/fs.h:1928 [inline]
 #1: ffff88807a36c650 (sb_internal){.+.+}-{0:0}, at: ext4_evict_inode+0x444/0x1080 fs/ext4/inode.c:243
 #2: ffff88806ef16628 (&ei->i_data_sem/2){++++}-{3:3}, at: ext4_truncate+0x96d/0x10d0 fs/ext4/inode.c:4245
 #3: ffffffff8c23ebd8 (dquot_srcu){....}-{0:0}, at: rcu_lock_acquire+0x5/0x30 include/linux/rcupdate.h:311

stack backtrace:
CPU: 1 PID: 4659 Comm: syz.0.55 Not tainted syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025
Call Trace:
 <TASK>
 dump_stack_lvl+0x168/0x230 lib/dump_stack.c:106
 check_noncircular+0x274/0x310 kernel/locking/lockdep.c:2133
 check_prev_add kernel/locking/lockdep.c:3053 [inline]
 check_prevs_add kernel/locking/lockdep.c:3172 [inline]
 validate_chain kernel/locking/lockdep.c:3788 [inline]
 __lock_acquire+0x2c33/0x7c60 kernel/locking/lockdep.c:5012
 lock_acquire+0x197/0x3f0 kernel/locking/lockdep.c:5623
 __mutex_lock_common+0x1eb/0x2390 kernel/locking/mutex.c:596
 __mutex_lock kernel/locking/mutex.c:729 [inline]
 mutex_lock_nested+0x17/0x20 kernel/locking/mutex.c:743
 dquot_commit+0x5a/0x410 fs/quota/dquot.c:507
 ext4_write_dquot+0x1f0/0x360 fs/ext4/super.c:6185
 mark_dquot_dirty fs/quota/dquot.c:372 [inline]
 mark_all_dquot_dirty+0xf9/0x400 fs/quota/dquot.c:412
 __dquot_free_space+0x7ca/0xb90 fs/quota/dquot.c:1942
 dquot_free_space_nodirty include/linux/quotaops.h:376 [inline]
 dquot_free_space include/linux/quotaops.h:381 [inline]
 dquot_free_block include/linux/quotaops.h:392 [inline]
 ext4_mb_clear_bb fs/ext4/mballoc.c:6151 [inline]
 ext4_free_blocks+0x1af5/0x2480 fs/ext4/mballoc.c:6281
 ext4_remove_blocks fs/ext4/extents.c:2525 [inline]
 ext4_ext_rm_leaf fs/ext4/extents.c:2691 [inline]
 ext4_ext_remove_space+0x1eaa/0x43a0 fs/ext4/extents.c:2939
 ext4_ext_truncate+0x192/0x240 fs/ext4/extents.c:4473
 ext4_truncate+0x9f1/0x10d0 fs/ext4/inode.c:4250
 ext4_evict_inode+0xb43/0x1080 fs/ext4/inode.c:289
 evict+0x485/0x870 fs/inode.c:647
 ext4_orphan_cleanup+0xaa9/0x12e0 fs/ext4/orphan.c:474
 ext4_fill_super+0x92f0/0x9a60 fs/ext4/super.c:4975
 mount_bdev+0x287/0x3c0 fs/super.c:1400
 legacy_get_tree+0xe6/0x180 fs/fs_context.c:611
 vfs_get_tree+0x88/0x270 fs/super.c:1530
 do_new_mount+0x24a/0xa40 fs/namespace.c:3025
 do_mount fs/namespace.c:3368 [inline]
 __do_sys_mount fs/namespace.c:3576 [inline]
 __se_sys_mount+0x2d6/0x3c0 fs/namespace.c:3553
 do_syscall_x64 arch/x86/entry/common.c:50 [inline]
 do_syscall_64+0x4c/0xa0 arch/x86/entry/common.c:80
 entry_SYSCALL_64_after_hwframe+0x66/0xd0
RIP: 0033:0x7efe0ccbd38a
Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 1a 00 00 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 a8 ff ff ff f7 d8 64 89 01 48
RSP: 002b:00007efe0c32ae68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
RAX: ffffffffffffffda RBX: 00007efe0c32aef0 RCX: 00007efe0ccbd38a
RDX: 0000200000000040 RSI: 0000200000000500 RDI: 00007efe0c32aeb0
RBP: 0000200000000040 R08: 00007efe0c32aef0 R09: 0000000000004511
R10: 0000000000004511 R11: 0000000000000246 R12: 0000200000000500
R13: 00007efe0c32aeb0 R14: 00000000000004b4 R15: 0000200000000540
 </TASK>
EXT4-fs (loop0): 1 orphan inode deleted
EXT4-fs (loop0): mounted filesystem without journal. Opts: ,errors=continue. Quota mode: writeback.