Extracting prog: 2m13.02863532s Minimizing prog: 4m57.473340724s Simplifying prog options: 5m19.282446243s Extracting C: 24.302903017s Simplifying C: 0s extracting reproducer from 30 programs first checking the prog from the crash report 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}}): bpf$BPF_PROG_RAW_TRACEPOINT_LOAD-bpf$BPF_RAW_TRACEPOINT_OPEN-connect$can_bcm-syz_mount_image$ext4 detailed listing: executing program 0: r0 = bpf$BPF_PROG_RAW_TRACEPOINT_LOAD(0x5, &(0x7f0000000200)={0x18, 0x4, &(0x7f00000002c0)=ANY=[@ANYBLOB="18010000000000000000000000000000850000006d00000095"], &(0x7f0000000440)='GPL\x00', 0x0, 0x0, 0x0, 0x0, 0x0, '\x00', 0x0, 0x2}, 0x94) bpf$BPF_RAW_TRACEPOINT_OPEN(0x11, &(0x7f0000000180)={&(0x7f00000014c0)='kmem_cache_free\x00', r0, 0x0, 0x7}, 0x18) connect$can_bcm(0xffffffffffffffff, &(0x7f0000000080), 0xb) syz_mount_image$ext4(&(0x7f0000000180)='ext4\x00', &(0x7f00000001c0)='./file0\x00', 0x1a08700, &(0x7f0000000700)={[{@nodioread_nolock}, {@nouid32}, {@debug_want_extra_isize={'debug_want_extra_isize', 0x3d, 0x5c}}, {@nouid32}, {@resgid}, {@usrquota}, {@journal_dev={'journal_dev', 0x3d, 0x1}}]}, 0x0, 0x470, &(0x7f0000001040)="$eJzs281rHGUYAPBnJh9t7UdirR+tVaNFCIpJk1btwYuiIFJR0EM9xiQtodtGmii2FpuKeBKkoGfxKPoXeBNB1JPg1ZMnKRTtpa2nyMzOpJvtJjHNphOzvx9s9n1n3t15nszXu++7G0DHGsj+JBE7IuL3iOirVxc3GKg/Xb96fvzG1fPjSczPv/FXkre7dvX8eNm0fN32ojKYRqQfJ8VGFps5e+7kWK02eaaoD8+eemd45uy5p947NXZi8sTk6dEjRw4fGnn2mdGn25Jnlte1fR9O79/78luXXh0/duntn7/N4t1RrG/Mo10GssT/ns81r3u83Rur2M6GctJdYSCsSldEZLurJz//+6Irbu68vnjpo0qDA9ZVdm/asvTquXlgE0ui6giAapQ3+uzzb/m4Q12PDeHK8/UPQFne14tHfU13pEWbnqbPt+00EBHH5v75MnvEOo1DAAA0+nT8i6O9EfHBjW9eyfoefQtr0rgvf/4j/7urmEPpj4i7I2J3RNwTEXsi4t6IvO39EfHAGuO5tf+TXl7jWy4r6/89V8xtLe7/lb2/6O8qajvz/HuS41O1yYPF/2QwerZk9ZFltvH9i799ttS6xv5f9si2X/YFizgudzcN0E2MzY7lndI2uHIxYl93q/yThZmAJCL2RsS+1b31rrIw9cTX+5dqtHL+rVxcXSTLmP8qS28uy38umvIvJY3zk1O3zE8Ob43a5MHh8qi41S+/fvL6Utu/vfzb58pk/blh/zc36U8a52tn2rv92zz+097kzXyeubdY9v7Y7OyZkYje5GheX7R89OZry3rZPjv+Bw+0Pv93F6/J8n8wIrKD+KGIeDgiHilifzQiHouIA8vk+NMLK+cfaUX7/2LERMvr38Lx37T/V1/oOvnjd0tt/7/t/8N5abBYkl//VtAqnOx61hzgWv53AAAA8H+R5t+BT9KhhXKaDg3Vv8O/J+5Ka9Mzs08en3739ET9u/L90ZOWI119xXhobao2OZLMFe9YHx8dLcaKy/HSQ8W48edd2/L60Ph0baLi3KHTbV/i/M/82VV1dMA629Zy6WjvHQ8EqEDz7zXTxdULr4WLAWxWfq8NnWuF87+pO6AzAJuJ+z90rlbn/4WmurkA2Jzc/6FzOf+hQ6U/VB0BUCH3f+hIa/ld/zoWtm6MMKopbNSdkhciykK6IeJRWKdC1VcmAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAACA9vg3AAD//5wI5wQ=") program crashed: possible deadlock in ext4_writepages single: successfully extracted reproducer found reproducer with 4 syscalls minimizing guilty program testing program (duration=51.440362576s, {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}}): bpf$BPF_PROG_RAW_TRACEPOINT_LOAD-bpf$BPF_RAW_TRACEPOINT_OPEN-connect$can_bcm detailed listing: executing program 0: r0 = bpf$BPF_PROG_RAW_TRACEPOINT_LOAD(0x5, &(0x7f0000000200)={0x18, 0x4, &(0x7f00000002c0)=ANY=[@ANYBLOB="18010000000000000000000000000000850000006d00000095"], &(0x7f0000000440)='GPL\x00', 0x0, 0x0, 0x0, 0x0, 0x0, '\x00', 0x0, 0x2}, 0x94) bpf$BPF_RAW_TRACEPOINT_OPEN(0x11, &(0x7f0000000180)={&(0x7f00000014c0)='kmem_cache_free\x00', r0, 0x0, 0x7}, 0x18) connect$can_bcm(0xffffffffffffffff, &(0x7f0000000080), 0xb) program did not crash testing program (duration=51.440362576s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): bpf$BPF_PROG_RAW_TRACEPOINT_LOAD-bpf$BPF_RAW_TRACEPOINT_OPEN-syz_mount_image$ext4 detailed listing: executing program 0: r0 = bpf$BPF_PROG_RAW_TRACEPOINT_LOAD(0x5, &(0x7f0000000200)={0x18, 0x4, &(0x7f00000002c0)=ANY=[@ANYBLOB="18010000000000000000000000000000850000006d00000095"], &(0x7f0000000440)='GPL\x00', 0x0, 0x0, 0x0, 0x0, 0x0, '\x00', 0x0, 0x2}, 0x94) bpf$BPF_RAW_TRACEPOINT_OPEN(0x11, &(0x7f0000000180)={&(0x7f00000014c0)='kmem_cache_free\x00', r0, 0x0, 0x7}, 0x18) syz_mount_image$ext4(&(0x7f0000000180)='ext4\x00', &(0x7f00000001c0)='./file0\x00', 0x1a08700, &(0x7f0000000700)={[{@nodioread_nolock}, {@nouid32}, {@debug_want_extra_isize={'debug_want_extra_isize', 0x3d, 0x5c}}, {@nouid32}, {@resgid}, {@usrquota}, {@journal_dev={'journal_dev', 0x3d, 0x1}}]}, 0x0, 0x470, &(0x7f0000001040)="$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") program crashed: possible deadlock in ext4_writepages testing program (duration=51.440362576s, {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}}): bpf$BPF_PROG_RAW_TRACEPOINT_LOAD-syz_mount_image$ext4 detailed listing: executing program 0: bpf$BPF_PROG_RAW_TRACEPOINT_LOAD(0x5, &(0x7f0000000200)={0x18, 0x4, &(0x7f00000002c0)=ANY=[@ANYBLOB="18010000000000000000000000000000850000006d00000095"], &(0x7f0000000440)='GPL\x00', 0x0, 0x0, 0x0, 0x0, 0x0, '\x00', 0x0, 0x2}, 0x94) syz_mount_image$ext4(&(0x7f0000000180)='ext4\x00', &(0x7f00000001c0)='./file0\x00', 0x1a08700, &(0x7f0000000700)={[{@nodioread_nolock}, {@nouid32}, {@debug_want_extra_isize={'debug_want_extra_isize', 0x3d, 0x5c}}, {@nouid32}, {@resgid}, {@usrquota}, {@journal_dev={'journal_dev', 0x3d, 0x1}}]}, 0x0, 0x470, &(0x7f0000001040)="$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") program crashed: possible deadlock in ext4_writepages testing program (duration=51.440362576s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_mount_image$ext4 detailed listing: executing program 0: syz_mount_image$ext4(&(0x7f0000000180)='ext4\x00', &(0x7f00000001c0)='./file0\x00', 0x1a08700, &(0x7f0000000700)={[{@nodioread_nolock}, {@nouid32}, {@debug_want_extra_isize={'debug_want_extra_isize', 0x3d, 0x5c}}, {@nouid32}, {@resgid}, {@usrquota}, {@journal_dev={'journal_dev', 0x3d, 0x1}}]}, 0x0, 0x470, &(0x7f0000001040)="$eJzs281rHGUYAPBnJh9t7UdirR+tVaNFCIpJk1btwYuiIFJR0EM9xiQtodtGmii2FpuKeBKkoGfxKPoXeBNB1JPg1ZMnKRTtpa2nyMzOpJvtJjHNphOzvx9s9n1n3t15nszXu++7G0DHGsj+JBE7IuL3iOirVxc3GKg/Xb96fvzG1fPjSczPv/FXkre7dvX8eNm0fN32ojKYRqQfJ8VGFps5e+7kWK02eaaoD8+eemd45uy5p947NXZi8sTk6dEjRw4fGnn2mdGn25Jnlte1fR9O79/78luXXh0/duntn7/N4t1RrG/Mo10GssT/ns81r3u83Rur2M6GctJdYSCsSldEZLurJz//+6Irbu68vnjpo0qDA9ZVdm/asvTquXlgE0ui6giAapQ3+uzzb/m4Q12PDeHK8/UPQFne14tHfU13pEWbnqbPt+00EBHH5v75MnvEOo1DAAA0+nT8i6O9EfHBjW9eyfoefQtr0rgvf/4j/7urmEPpj4i7I2J3RNwTEXsi4t6IvO39EfHAGuO5tf+TXl7jWy4r6/89V8xtLe7/lb2/6O8qajvz/HuS41O1yYPF/2QwerZk9ZFltvH9i799ttS6xv5f9si2X/YFizgudzcN0E2MzY7lndI2uHIxYl93q/yThZmAJCL2RsS+1b31rrIw9cTX+5dqtHL+rVxcXSTLmP8qS28uy38umvIvJY3zk1O3zE8Ob43a5MHh8qi41S+/fvL6Utu/vfzb58pk/blh/zc36U8a52tn2rv92zz+097kzXyeubdY9v7Y7OyZkYje5GheX7R89OZry3rZPjv+Bw+0Pv93F6/J8n8wIrKD+KGIeDgiHilifzQiHouIA8vk+NMLK+cfaUX7/2LERMvr38Lx37T/V1/oOvnjd0tt/7/t/8N5abBYkl//VtAqnOx61hzgWv53AAAA8H+R5t+BT9KhhXKaDg3Vv8O/J+5Ka9Mzs08en3739ET9u/L90ZOWI119xXhobao2OZLMFe9YHx8dLcaKy/HSQ8W48edd2/L60Ph0baLi3KHTbV/i/M/82VV1dMA629Zy6WjvHQ8EqEDz7zXTxdULr4WLAWxWfq8NnWuF87+pO6AzAJuJ+z90rlbn/4WmurkA2Jzc/6FzOf+hQ6U/VB0BUCH3f+hIa/ld/zoWtm6MMKopbNSdkhciykK6IeJRWKdC1VcmAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAACA9vg3AAD//5wI5wQ=") program crashed: possible deadlock in ext4_writepages extracting C reproducer testing compiled C program (duration=51.440362576s, {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$ext4 program crashed: WARNING in ext4_xattr_inode_update_ref a never seen crash title: WARNING in ext4_xattr_inode_update_ref, ignore simplifying guilty program options testing program (duration=51.440362576s, {Threaded:false Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_mount_image$ext4 detailed listing: executing program 0: syz_mount_image$ext4(&(0x7f0000000180)='ext4\x00', &(0x7f00000001c0)='./file0\x00', 0x1a08700, &(0x7f0000000700)={[{@nodioread_nolock}, {@nouid32}, {@debug_want_extra_isize={'debug_want_extra_isize', 0x3d, 0x5c}}, {@nouid32}, {@resgid}, {@usrquota}, {@journal_dev={'journal_dev', 0x3d, 0x1}}]}, 0x0, 0x470, &(0x7f0000001040)="$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") program crashed: possible deadlock in ext4_writepages extracting C reproducer testing compiled C program (duration=51.440362576s, {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$ext4 program crashed: WARNING in ext4_xattr_inode_update_ref a never seen crash title: WARNING in ext4_xattr_inode_update_ref, ignore testing program (duration=51.440362576s, {Threaded:false Repeat:false RepeatTimes:0 Procs:1 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:false Cgroups:false BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_mount_image$ext4 detailed listing: executing program 0: syz_mount_image$ext4(&(0x7f0000000180)='ext4\x00', &(0x7f00000001c0)='./file0\x00', 0x1a08700, &(0x7f0000000700)={[{@nodioread_nolock}, {@nouid32}, {@debug_want_extra_isize={'debug_want_extra_isize', 0x3d, 0x5c}}, {@nouid32}, {@resgid}, {@usrquota}, {@journal_dev={'journal_dev', 0x3d, 0x1}}]}, 0x0, 0x470, &(0x7f0000001040)="$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") program crashed: possible deadlock in ext4_writepages extracting C reproducer testing compiled C program (duration=51.440362576s, {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$ext4 program crashed: WARNING in ext4_xattr_inode_update_ref a never seen crash title: WARNING in ext4_xattr_inode_update_ref, ignore testing program (duration=51.440362576s, {Threaded:false Repeat:false RepeatTimes:0 Procs:1 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:false Cgroups:false BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_mount_image$ext4 detailed listing: executing program 0: syz_mount_image$ext4(&(0x7f0000000180)='ext4\x00', &(0x7f00000001c0)='./file0\x00', 0x1a08700, &(0x7f0000000700)={[{@nodioread_nolock}, {@nouid32}, {@debug_want_extra_isize={'debug_want_extra_isize', 0x3d, 0x5c}}, {@nouid32}, {@resgid}, {@usrquota}, {@journal_dev={'journal_dev', 0x3d, 0x1}}]}, 0x0, 0x470, &(0x7f0000001040)="$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") program crashed: possible deadlock in ext4_writepages validation run: crashed=true testing program (duration=51.440362576s, {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$ext4 detailed listing: executing program 0: syz_mount_image$ext4(&(0x7f0000000180)='ext4\x00', &(0x7f00000001c0)='./file0\x00', 0x1a08700, &(0x7f0000000700)={[{@nodioread_nolock}, {@nouid32}, {@debug_want_extra_isize={'debug_want_extra_isize', 0x3d, 0x5c}}, {@nouid32}, {@resgid}, {@usrquota}, {@journal_dev={'journal_dev', 0x3d, 0x1}}]}, 0x0, 0x470, &(0x7f0000001040)="$eJzs281rHGUYAPBnJh9t7UdirR+tVaNFCIpJk1btwYuiIFJR0EM9xiQtodtGmii2FpuKeBKkoGfxKPoXeBNB1JPg1ZMnKRTtpa2nyMzOpJvtJjHNphOzvx9s9n1n3t15nszXu++7G0DHGsj+JBE7IuL3iOirVxc3GKg/Xb96fvzG1fPjSczPv/FXkre7dvX8eNm0fN32ojKYRqQfJ8VGFps5e+7kWK02eaaoD8+eemd45uy5p947NXZi8sTk6dEjRw4fGnn2mdGn25Jnlte1fR9O79/78luXXh0/duntn7/N4t1RrG/Mo10GssT/ns81r3u83Rur2M6GctJdYSCsSldEZLurJz//+6Irbu68vnjpo0qDA9ZVdm/asvTquXlgE0ui6giAapQ3+uzzb/m4Q12PDeHK8/UPQFne14tHfU13pEWbnqbPt+00EBHH5v75MnvEOo1DAAA0+nT8i6O9EfHBjW9eyfoefQtr0rgvf/4j/7urmEPpj4i7I2J3RNwTEXsi4t6IvO39EfHAGuO5tf+TXl7jWy4r6/89V8xtLe7/lb2/6O8qajvz/HuS41O1yYPF/2QwerZk9ZFltvH9i799ttS6xv5f9si2X/YFizgudzcN0E2MzY7lndI2uHIxYl93q/yThZmAJCL2RsS+1b31rrIw9cTX+5dqtHL+rVxcXSTLmP8qS28uy38umvIvJY3zk1O3zE8Ob43a5MHh8qi41S+/fvL6Utu/vfzb58pk/blh/zc36U8a52tn2rv92zz+097kzXyeubdY9v7Y7OyZkYje5GheX7R89OZry3rZPjv+Bw+0Pv93F6/J8n8wIrKD+KGIeDgiHilifzQiHouIA8vk+NMLK+cfaUX7/2LERMvr38Lx37T/V1/oOvnjd0tt/7/t/8N5abBYkl//VtAqnOx61hzgWv53AAAA8H+R5t+BT9KhhXKaDg3Vv8O/J+5Ka9Mzs08en3739ET9u/L90ZOWI119xXhobao2OZLMFe9YHx8dLcaKy/HSQ8W48edd2/L60Ph0baLi3KHTbV/i/M/82VV1dMA629Zy6WjvHQ8EqEDz7zXTxdULr4WLAWxWfq8NnWuF87+pO6AzAJuJ+z90rlbn/4WmurkA2Jzc/6FzOf+hQ6U/VB0BUCH3f+hIa/ld/zoWtm6MMKopbNSdkhciykK6IeJRWKdC1VcmAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAACA9vg3AAD//5wI5wQ=") program crashed: possible deadlock in ext4_writepages validation run: crashed=true testing program (duration=51.440362576s, {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 detailed listing: executing program 0: syz_mount_image$ext4(&(0x7f0000000180)='ext4\x00', &(0x7f00000001c0)='./file0\x00', 0x1a08700, &(0x7f0000000700)={[{@nodioread_nolock}, {@nouid32}, {@debug_want_extra_isize={'debug_want_extra_isize', 0x3d, 0x5c}}, {@nouid32}, {@resgid}, {@usrquota}, {@journal_dev={'journal_dev', 0x3d, 0x1}}]}, 0x0, 0x470, &(0x7f0000001040)="$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") program crashed: possible deadlock in ext4_writepages validation run: crashed=true reproducing took 18m15.641606115s repro crashed as (corrupted=false): loop0: detected capacity change from 0 to 512 ====================================================== WARNING: possible circular locking dependency detected syzkaller #0 Not tainted ------------------------------------------------------ syz.0.17/4342 is trying to acquire lock: ffff88807c2bcbd8 (&sbi->s_writepages_rwsem){.+.+}-{0:0}, at: ext4_writepages+0x1c0/0x2d20 fs/ext4/inode.c:2689 but task is already holding lock: ffff888070b9b2a0 (&ei->xattr_sem){++++}-{3:3}, at: ext4_write_trylock_xattr fs/ext4/xattr.h:162 [inline] ffff888070b9b2a0 (&ei->xattr_sem){++++}-{3:3}, at: ext4_try_to_expand_extra_isize fs/ext4/inode.c:5933 [inline] ffff888070b9b2a0 (&ei->xattr_sem){++++}-{3:3}, at: __ext4_mark_inode_dirty+0x3e8/0x700 fs/ext4/inode.c:6014 which lock already depends on the new lock. the existing dependency chain (in reverse order) is: -> #2 (&ei->xattr_sem){++++}-{3:3}: down_read+0x44/0x2e0 kernel/locking/rwsem.c:1498 ext4_setattr+0x71d/0x19e0 fs/ext4/inode.c:5457 notify_change+0xbcd/0xee0 fs/attr.c:505 chown_common+0x483/0x610 fs/open.c:680 do_fchownat+0x164/0x270 fs/open.c:711 __do_sys_chown fs/open.c:731 [inline] __se_sys_chown fs/open.c:729 [inline] __x64_sys_chown+0x7e/0x90 fs/open.c:729 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 (jbd2_handle){++++}-{0:0}: start_this_handle+0x1338/0x15a0 fs/jbd2/transaction.c:464 jbd2__journal_start+0x2b7/0x5a0 fs/jbd2/transaction.c:521 __ext4_journal_start_sb+0x167/0x360 fs/ext4/ext4_jbd2.c:105 __ext4_journal_start fs/ext4/ext4_jbd2.h:326 [inline] ext4_writepages+0xdc2/0x2d20 fs/ext4/inode.c:2812 do_writepages+0x48d/0x6d0 mm/page-writeback.c:2386 filemap_fdatawrite_wbc+0x1eb/0x240 mm/filemap.c:400 __filemap_fdatawrite_range mm/filemap.c:433 [inline] file_write_and_wait_range+0x129/0x1e0 mm/filemap.c:810 ext4_sync_file+0x1ff/0xae0 fs/ext4/fsync.c:151 vfs_fsync_range fs/sync.c:188 [inline] vfs_fsync fs/sync.c:202 [inline] do_fsync fs/sync.c:212 [inline] __do_sys_fsync fs/sync.c:220 [inline] __se_sys_fsync fs/sync.c:218 [inline] __x64_sys_fsync+0x1a5/0x1e0 fs/sync.c:218 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 (&sbi->s_writepages_rwsem){.+.+}-{0:0}: 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 percpu_down_read+0x46/0x1b0 include/linux/percpu-rwsem.h:51 ext4_writepages+0x1c0/0x2d20 fs/ext4/inode.c:2689 do_writepages+0x48d/0x6d0 mm/page-writeback.c:2386 __writeback_single_inode+0x153/0xda0 fs/fs-writeback.c:1657 writeback_single_inode+0x221/0x8b0 fs/fs-writeback.c:1770 write_inode_now+0x217/0x280 fs/fs-writeback.c:2811 iput_final fs/inode.c:1756 [inline] iput+0x5ab/0x8a0 fs/inode.c:1795 ext4_xattr_set_entry+0x10ff/0x3d30 fs/ext4/xattr.c:1837 ext4_xattr_block_set+0x4f7/0x2d30 fs/ext4/xattr.c:1936 ext4_xattr_move_to_block fs/ext4/xattr.c:2633 [inline] ext4_xattr_make_inode_space fs/ext4/xattr.c:2708 [inline] ext4_expand_extra_isize_ea+0xf4b/0x19a0 fs/ext4/xattr.c:2800 __ext4_expand_extra_isize+0x301/0x3e0 fs/ext4/inode.c:5893 ext4_try_to_expand_extra_isize fs/ext4/inode.c:5936 [inline] __ext4_mark_inode_dirty+0x469/0x700 fs/ext4/inode.c:6014 ext4_evict_inode+0xa81/0x1080 fs/ext4/inode.c:282 evict+0x485/0x870 fs/inode.c:647 ext4_orphan_cleanup+0xaa9/0x12e0 fs/ext4/orphan.c:470 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:3034 do_mount fs/namespace.c:3377 [inline] __do_sys_mount fs/namespace.c:3585 [inline] __se_sys_mount+0x2d6/0x3c0 fs/namespace.c:3562 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: &sbi->s_writepages_rwsem --> jbd2_handle --> &ei->xattr_sem Possible unsafe locking scenario: CPU0 CPU1 ---- ---- lock(&ei->xattr_sem); lock(jbd2_handle); lock(&ei->xattr_sem); lock(&sbi->s_writepages_rwsem); *** DEADLOCK *** 3 locks held by syz.0.17/4342: #0: ffff88807c2ba0e0 (&type->s_umount_key#28/1){+.+.}-{3:3}, at: alloc_super+0x201/0x950 fs/super.c:229 #1: ffff88807c2ba650 (sb_internal){.+.+}-{0:0}, at: __sb_start_write include/linux/fs.h:1811 [inline] #1: ffff88807c2ba650 (sb_internal){.+.+}-{0:0}, at: sb_start_intwrite include/linux/fs.h:1928 [inline] #1: ffff88807c2ba650 (sb_internal){.+.+}-{0:0}, at: ext4_evict_inode+0x444/0x1080 fs/ext4/inode.c:243 #2: ffff888070b9b2a0 (&ei->xattr_sem){++++}-{3:3}, at: ext4_write_trylock_xattr fs/ext4/xattr.h:162 [inline] #2: ffff888070b9b2a0 (&ei->xattr_sem){++++}-{3:3}, at: ext4_try_to_expand_extra_isize fs/ext4/inode.c:5933 [inline] #2: ffff888070b9b2a0 (&ei->xattr_sem){++++}-{3:3}, at: __ext4_mark_inode_dirty+0x3e8/0x700 fs/ext4/inode.c:6014 stack backtrace: CPU: 0 PID: 4342 Comm: syz.0.17 Not tainted syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/02/2025 Call Trace: 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 percpu_down_read+0x46/0x1b0 include/linux/percpu-rwsem.h:51 ext4_writepages+0x1c0/0x2d20 fs/ext4/inode.c:2689 do_writepages+0x48d/0x6d0 mm/page-writeback.c:2386 __writeback_single_inode+0x153/0xda0 fs/fs-writeback.c:1657 writeback_single_inode+0x221/0x8b0 fs/fs-writeback.c:1770 write_inode_now+0x217/0x280 fs/fs-writeback.c:2811 iput_final fs/inode.c:1756 [inline] iput+0x5ab/0x8a0 fs/inode.c:1795 ext4_xattr_set_entry+0x10ff/0x3d30 fs/ext4/xattr.c:1837 ext4_xattr_block_set+0x4f7/0x2d30 fs/ext4/xattr.c:1936 ext4_xattr_move_to_block fs/ext4/xattr.c:2633 [inline] ext4_xattr_make_inode_space fs/ext4/xattr.c:2708 [inline] ext4_expand_extra_isize_ea+0xf4b/0x19a0 fs/ext4/xattr.c:2800 __ext4_expand_extra_isize+0x301/0x3e0 fs/ext4/inode.c:5893 ext4_try_to_expand_extra_isize fs/ext4/inode.c:5936 [inline] __ext4_mark_inode_dirty+0x469/0x700 fs/ext4/inode.c:6014 ext4_evict_inode+0xa81/0x1080 fs/ext4/inode.c:282 evict+0x485/0x870 fs/inode.c:647 ext4_orphan_cleanup+0xaa9/0x12e0 fs/ext4/orphan.c:470 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:3034 do_mount fs/namespace.c:3377 [inline] __do_sys_mount fs/namespace.c:3585 [inline] __se_sys_mount+0x2d6/0x3c0 fs/namespace.c:3562 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: 0033:0x7f631ed8576a 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:00007ffed3b44218 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 RAX: ffffffffffffffda RBX: 00007ffed3b442a0 RCX: 00007f631ed8576a RDX: 0000200000000180 RSI: 00002000000001c0 RDI: 00007ffed3b44260 RBP: 0000200000000180 R08: 00007ffed3b442a0 R09: 0000000001a08700 R10: 0000000001a08700 R11: 0000000000000246 R12: 00002000000001c0 R13: 00007ffed3b44260 R14: 0000000000000470 R15: 0000200000000700 ------------[ cut here ]------------ EA inode 11 i_nlink=2 WARNING: CPU: 1 PID: 4342 at fs/ext4/xattr.c:1022 ext4_xattr_inode_update_ref+0x4be/0x520 fs/ext4/xattr.c:1020 Modules linked in: CPU: 1 PID: 4342 Comm: syz.0.17 Not tainted syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/02/2025 RIP: 0010:ext4_xattr_inode_update_ref+0x4be/0x520 fs/ext4/xattr.c:1020 Code: 8d 7d 40 4c 89 f8 48 c1 e8 03 42 80 3c 30 00 74 08 4c 89 ff e8 b3 e4 a2 ff 49 8b 37 48 c7 c7 c0 73 1d 8a 89 da e8 32 3a 85 07 <0f> 0b 49 be 00 00 00 00 00 fc ff df 4c 8b 6c 24 10 4c 8b 7c 24 08 RSP: 0018:ffffc9000308f140 EFLAGS: 00010246 RAX: 9f564e5a8b46ce00 RBX: 0000000000000002 RCX: ffff88807c191dc0 RDX: 0000000000000000 RSI: 0000000080000000 RDI: 0000000000000000 RBP: ffffc9000308f230 R08: dffffc0000000000 R09: fffff52000611d8d R10: fffff52000611d8d R11: 1ffff92000611d8c R12: ffffc9000308f1a0 R13: ffff88805ddaaa80 R14: dffffc0000000000 R15: ffff88805ddaaac0 FS: 000055556f0de500(0000) GS:ffff8880b9100000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007f693c94dd30 CR3: 0000000073b97000 CR4: 00000000003506e0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: ext4_xattr_inode_dec_ref fs/ext4/xattr.c:1045 [inline] ext4_xattr_set_entry+0xed0/0x3d30 fs/ext4/xattr.c:1697 ext4_xattr_ibody_set+0x112/0x330 fs/ext4/xattr.c:2253 ext4_xattr_move_to_block fs/ext4/xattr.c:2640 [inline] ext4_xattr_make_inode_space fs/ext4/xattr.c:2708 [inline] ext4_expand_extra_isize_ea+0xf9a/0x19a0 fs/ext4/xattr.c:2800 __ext4_expand_extra_isize+0x301/0x3e0 fs/ext4/inode.c:5893 ext4_try_to_expand_extra_isize fs/ext4/inode.c:5936 [inline] __ext4_mark_inode_dirty+0x469/0x700 fs/ext4/inode.c:6014 ext4_evict_inode+0xa81/0x1080 fs/ext4/inode.c:282 evict+0x485/0x870 fs/inode.c:647 ext4_orphan_cleanup+0xaa9/0x12e0 fs/ext4/orphan.c:470 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:3034 do_mount fs/namespace.c:3377 [inline] __do_sys_mount fs/namespace.c:3585 [inline] __se_sys_mount+0x2d6/0x3c0 fs/namespace.c:3562 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: 0033:0x7f631ed8576a 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:00007ffed3b44218 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 RAX: ffffffffffffffda RBX: 00007ffed3b442a0 RCX: 00007f631ed8576a RDX: 0000200000000180 RSI: 00002000000001c0 RDI: 00007ffed3b44260 RBP: 0000200000000180 R08: 00007ffed3b442a0 R09: 0000000001a08700 R10: 0000000001a08700 R11: 0000000000000246 R12: 00002000000001c0 R13: 00007ffed3b44260 R14: 0000000000000470 R15: 0000200000000700 final repro crashed as (corrupted=false): loop0: detected capacity change from 0 to 512 ====================================================== WARNING: possible circular locking dependency detected syzkaller #0 Not tainted ------------------------------------------------------ syz.0.17/4342 is trying to acquire lock: ffff88807c2bcbd8 (&sbi->s_writepages_rwsem){.+.+}-{0:0}, at: ext4_writepages+0x1c0/0x2d20 fs/ext4/inode.c:2689 but task is already holding lock: ffff888070b9b2a0 (&ei->xattr_sem){++++}-{3:3}, at: ext4_write_trylock_xattr fs/ext4/xattr.h:162 [inline] ffff888070b9b2a0 (&ei->xattr_sem){++++}-{3:3}, at: ext4_try_to_expand_extra_isize fs/ext4/inode.c:5933 [inline] ffff888070b9b2a0 (&ei->xattr_sem){++++}-{3:3}, at: __ext4_mark_inode_dirty+0x3e8/0x700 fs/ext4/inode.c:6014 which lock already depends on the new lock. the existing dependency chain (in reverse order) is: -> #2 (&ei->xattr_sem){++++}-{3:3}: down_read+0x44/0x2e0 kernel/locking/rwsem.c:1498 ext4_setattr+0x71d/0x19e0 fs/ext4/inode.c:5457 notify_change+0xbcd/0xee0 fs/attr.c:505 chown_common+0x483/0x610 fs/open.c:680 do_fchownat+0x164/0x270 fs/open.c:711 __do_sys_chown fs/open.c:731 [inline] __se_sys_chown fs/open.c:729 [inline] __x64_sys_chown+0x7e/0x90 fs/open.c:729 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 (jbd2_handle){++++}-{0:0}: start_this_handle+0x1338/0x15a0 fs/jbd2/transaction.c:464 jbd2__journal_start+0x2b7/0x5a0 fs/jbd2/transaction.c:521 __ext4_journal_start_sb+0x167/0x360 fs/ext4/ext4_jbd2.c:105 __ext4_journal_start fs/ext4/ext4_jbd2.h:326 [inline] ext4_writepages+0xdc2/0x2d20 fs/ext4/inode.c:2812 do_writepages+0x48d/0x6d0 mm/page-writeback.c:2386 filemap_fdatawrite_wbc+0x1eb/0x240 mm/filemap.c:400 __filemap_fdatawrite_range mm/filemap.c:433 [inline] file_write_and_wait_range+0x129/0x1e0 mm/filemap.c:810 ext4_sync_file+0x1ff/0xae0 fs/ext4/fsync.c:151 vfs_fsync_range fs/sync.c:188 [inline] vfs_fsync fs/sync.c:202 [inline] do_fsync fs/sync.c:212 [inline] __do_sys_fsync fs/sync.c:220 [inline] __se_sys_fsync fs/sync.c:218 [inline] __x64_sys_fsync+0x1a5/0x1e0 fs/sync.c:218 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 (&sbi->s_writepages_rwsem){.+.+}-{0:0}: 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 percpu_down_read+0x46/0x1b0 include/linux/percpu-rwsem.h:51 ext4_writepages+0x1c0/0x2d20 fs/ext4/inode.c:2689 do_writepages+0x48d/0x6d0 mm/page-writeback.c:2386 __writeback_single_inode+0x153/0xda0 fs/fs-writeback.c:1657 writeback_single_inode+0x221/0x8b0 fs/fs-writeback.c:1770 write_inode_now+0x217/0x280 fs/fs-writeback.c:2811 iput_final fs/inode.c:1756 [inline] iput+0x5ab/0x8a0 fs/inode.c:1795 ext4_xattr_set_entry+0x10ff/0x3d30 fs/ext4/xattr.c:1837 ext4_xattr_block_set+0x4f7/0x2d30 fs/ext4/xattr.c:1936 ext4_xattr_move_to_block fs/ext4/xattr.c:2633 [inline] ext4_xattr_make_inode_space fs/ext4/xattr.c:2708 [inline] ext4_expand_extra_isize_ea+0xf4b/0x19a0 fs/ext4/xattr.c:2800 __ext4_expand_extra_isize+0x301/0x3e0 fs/ext4/inode.c:5893 ext4_try_to_expand_extra_isize fs/ext4/inode.c:5936 [inline] __ext4_mark_inode_dirty+0x469/0x700 fs/ext4/inode.c:6014 ext4_evict_inode+0xa81/0x1080 fs/ext4/inode.c:282 evict+0x485/0x870 fs/inode.c:647 ext4_orphan_cleanup+0xaa9/0x12e0 fs/ext4/orphan.c:470 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:3034 do_mount fs/namespace.c:3377 [inline] __do_sys_mount fs/namespace.c:3585 [inline] __se_sys_mount+0x2d6/0x3c0 fs/namespace.c:3562 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: &sbi->s_writepages_rwsem --> jbd2_handle --> &ei->xattr_sem Possible unsafe locking scenario: CPU0 CPU1 ---- ---- lock(&ei->xattr_sem); lock(jbd2_handle); lock(&ei->xattr_sem); lock(&sbi->s_writepages_rwsem); *** DEADLOCK *** 3 locks held by syz.0.17/4342: #0: ffff88807c2ba0e0 (&type->s_umount_key#28/1){+.+.}-{3:3}, at: alloc_super+0x201/0x950 fs/super.c:229 #1: ffff88807c2ba650 (sb_internal){.+.+}-{0:0}, at: __sb_start_write include/linux/fs.h:1811 [inline] #1: ffff88807c2ba650 (sb_internal){.+.+}-{0:0}, at: sb_start_intwrite include/linux/fs.h:1928 [inline] #1: ffff88807c2ba650 (sb_internal){.+.+}-{0:0}, at: ext4_evict_inode+0x444/0x1080 fs/ext4/inode.c:243 #2: ffff888070b9b2a0 (&ei->xattr_sem){++++}-{3:3}, at: ext4_write_trylock_xattr fs/ext4/xattr.h:162 [inline] #2: ffff888070b9b2a0 (&ei->xattr_sem){++++}-{3:3}, at: ext4_try_to_expand_extra_isize fs/ext4/inode.c:5933 [inline] #2: ffff888070b9b2a0 (&ei->xattr_sem){++++}-{3:3}, at: __ext4_mark_inode_dirty+0x3e8/0x700 fs/ext4/inode.c:6014 stack backtrace: CPU: 0 PID: 4342 Comm: syz.0.17 Not tainted syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/02/2025 Call Trace: 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 percpu_down_read+0x46/0x1b0 include/linux/percpu-rwsem.h:51 ext4_writepages+0x1c0/0x2d20 fs/ext4/inode.c:2689 do_writepages+0x48d/0x6d0 mm/page-writeback.c:2386 __writeback_single_inode+0x153/0xda0 fs/fs-writeback.c:1657 writeback_single_inode+0x221/0x8b0 fs/fs-writeback.c:1770 write_inode_now+0x217/0x280 fs/fs-writeback.c:2811 iput_final fs/inode.c:1756 [inline] iput+0x5ab/0x8a0 fs/inode.c:1795 ext4_xattr_set_entry+0x10ff/0x3d30 fs/ext4/xattr.c:1837 ext4_xattr_block_set+0x4f7/0x2d30 fs/ext4/xattr.c:1936 ext4_xattr_move_to_block fs/ext4/xattr.c:2633 [inline] ext4_xattr_make_inode_space fs/ext4/xattr.c:2708 [inline] ext4_expand_extra_isize_ea+0xf4b/0x19a0 fs/ext4/xattr.c:2800 __ext4_expand_extra_isize+0x301/0x3e0 fs/ext4/inode.c:5893 ext4_try_to_expand_extra_isize fs/ext4/inode.c:5936 [inline] __ext4_mark_inode_dirty+0x469/0x700 fs/ext4/inode.c:6014 ext4_evict_inode+0xa81/0x1080 fs/ext4/inode.c:282 evict+0x485/0x870 fs/inode.c:647 ext4_orphan_cleanup+0xaa9/0x12e0 fs/ext4/orphan.c:470 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:3034 do_mount fs/namespace.c:3377 [inline] __do_sys_mount fs/namespace.c:3585 [inline] __se_sys_mount+0x2d6/0x3c0 fs/namespace.c:3562 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: 0033:0x7f631ed8576a 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:00007ffed3b44218 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 RAX: ffffffffffffffda RBX: 00007ffed3b442a0 RCX: 00007f631ed8576a RDX: 0000200000000180 RSI: 00002000000001c0 RDI: 00007ffed3b44260 RBP: 0000200000000180 R08: 00007ffed3b442a0 R09: 0000000001a08700 R10: 0000000001a08700 R11: 0000000000000246 R12: 00002000000001c0 R13: 00007ffed3b44260 R14: 0000000000000470 R15: 0000200000000700 ------------[ cut here ]------------ EA inode 11 i_nlink=2 WARNING: CPU: 1 PID: 4342 at fs/ext4/xattr.c:1022 ext4_xattr_inode_update_ref+0x4be/0x520 fs/ext4/xattr.c:1020 Modules linked in: CPU: 1 PID: 4342 Comm: syz.0.17 Not tainted syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/02/2025 RIP: 0010:ext4_xattr_inode_update_ref+0x4be/0x520 fs/ext4/xattr.c:1020 Code: 8d 7d 40 4c 89 f8 48 c1 e8 03 42 80 3c 30 00 74 08 4c 89 ff e8 b3 e4 a2 ff 49 8b 37 48 c7 c7 c0 73 1d 8a 89 da e8 32 3a 85 07 <0f> 0b 49 be 00 00 00 00 00 fc ff df 4c 8b 6c 24 10 4c 8b 7c 24 08 RSP: 0018:ffffc9000308f140 EFLAGS: 00010246 RAX: 9f564e5a8b46ce00 RBX: 0000000000000002 RCX: ffff88807c191dc0 RDX: 0000000000000000 RSI: 0000000080000000 RDI: 0000000000000000 RBP: ffffc9000308f230 R08: dffffc0000000000 R09: fffff52000611d8d R10: fffff52000611d8d R11: 1ffff92000611d8c R12: ffffc9000308f1a0 R13: ffff88805ddaaa80 R14: dffffc0000000000 R15: ffff88805ddaaac0 FS: 000055556f0de500(0000) GS:ffff8880b9100000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007f693c94dd30 CR3: 0000000073b97000 CR4: 00000000003506e0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: ext4_xattr_inode_dec_ref fs/ext4/xattr.c:1045 [inline] ext4_xattr_set_entry+0xed0/0x3d30 fs/ext4/xattr.c:1697 ext4_xattr_ibody_set+0x112/0x330 fs/ext4/xattr.c:2253 ext4_xattr_move_to_block fs/ext4/xattr.c:2640 [inline] ext4_xattr_make_inode_space fs/ext4/xattr.c:2708 [inline] ext4_expand_extra_isize_ea+0xf9a/0x19a0 fs/ext4/xattr.c:2800 __ext4_expand_extra_isize+0x301/0x3e0 fs/ext4/inode.c:5893 ext4_try_to_expand_extra_isize fs/ext4/inode.c:5936 [inline] __ext4_mark_inode_dirty+0x469/0x700 fs/ext4/inode.c:6014 ext4_evict_inode+0xa81/0x1080 fs/ext4/inode.c:282 evict+0x485/0x870 fs/inode.c:647 ext4_orphan_cleanup+0xaa9/0x12e0 fs/ext4/orphan.c:470 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:3034 do_mount fs/namespace.c:3377 [inline] __do_sys_mount fs/namespace.c:3585 [inline] __se_sys_mount+0x2d6/0x3c0 fs/namespace.c:3562 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: 0033:0x7f631ed8576a 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:00007ffed3b44218 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 RAX: ffffffffffffffda RBX: 00007ffed3b442a0 RCX: 00007f631ed8576a RDX: 0000200000000180 RSI: 00002000000001c0 RDI: 00007ffed3b44260 RBP: 0000200000000180 R08: 00007ffed3b442a0 R09: 0000000001a08700 R10: 0000000001a08700 R11: 0000000000000246 R12: 00002000000001c0 R13: 00007ffed3b44260 R14: 0000000000000470 R15: 0000200000000700