Extracting prog: 2m49.929109544s Minimizing prog: 45m35.349467761s Simplifying prog options: 0s Extracting C: 1m5.037600222s Simplifying C: 11m16.333849103s 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:6 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 LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_mount_image$ext4-lsetxattr$trusted_overlay_upper-truncate detailed listing: executing program 0: syz_mount_image$ext4(&(0x7f0000000040)='ext4\x00', &(0x7f00000001c0)='./file2\x00', 0x404, &(0x7f0000000340)={[{@nogrpid}, {@resuid}, {@debug_want_extra_isize={'debug_want_extra_isize', 0x3d, 0x68}}, {@jqfmt_vfsv0}, {@nombcache}, {@quota}]}, 0x3, 0x42f, &(0x7f0000000940)="$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") lsetxattr$trusted_overlay_upper(&(0x7f0000000100)='./file1\x00', &(0x7f00000000c0), &(0x7f0000000040)=ANY=[], 0xfe37, 0x0) truncate(&(0x7f0000000180)='./file1\x00', 0x3b) program did not crash single: failed to extract reproducer single: executing 1 programs separately with timeout 6m0s testing program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:6 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_mount_image$ext4-lsetxattr$trusted_overlay_upper-truncate detailed listing: executing program 0: syz_mount_image$ext4(&(0x7f0000000040)='ext4\x00', &(0x7f00000001c0)='./file2\x00', 0x404, &(0x7f0000000340)={[{@nogrpid}, {@resuid}, {@debug_want_extra_isize={'debug_want_extra_isize', 0x3d, 0x68}}, {@jqfmt_vfsv0}, {@nombcache}, {@quota}]}, 0x3, 0x42f, &(0x7f0000000940)="$eJzs289rHFUcAPDvzCat/WViqT+aVo1WMfgjadJae/CiKHhQEPRQjzFJS+y2kSaCLUGjSD1Kwbt4FPwLPOlF1JPgVe9SKJJLq6eV2Z1Jdje7aZJustX9fGCS92be8t53Z97ue/N2AuhZw9mfJGJ/RPweEQO1bGOB4dq/W8uLU38vL04lUam89VdSLXdzeXGqKFq8bl+R6YtIP0viSIt65y9fOT9ZLs9cyvNjCxfeH5u/fOW52QuT52bOzVycOH365InxF05NPN+ROLO4bg59NHf08GvvXHtj6sy1d3/+Ninib4qjQ4bXO/hkpdLh6rrrQF066etiQ9iUUq2bRn+1/w9EKVZP3kC8+mlXGwdsq0qlUnmg/eGlCvA/lkS3WwB0R/FFn81/i22Hhh53hRsv1SZAWdy38q12pC/SvEx/0/y2k4Yj4szSP19lW2zPfQgAgAbfZ+OfZ1uN/9Kovy90b76GMhgR90XEwYg4FRGHIuL+iGrZByPioU3W37xIsnb8k17fUmAblI3/XszXthrHf8XoLwZLee5ANf7+5OxseeZ4/p6MRP/uLD++Th0/vPLbF+2O1Y//si2rvxgL5u243re78TXTkwuTdxJzvRufRAz1tYo/WVkJSCLicEQMbbGO2ae/Odru2O3jX0cH1pkqX0c8VTv/S9EUfyFZf31y7J4ozxwfK66KtX759eqb7eq/o/g7IDv/e1te/yvxDyb167Xzm6/j6h+ft53TbPX635W83bDvw8mFhUvjEbuS12uNrt8/0VRuYrV8Fv/Isdb9/2CsvhNHIiK7iB+OiEci4tG87Y9FxOMRcWyd+H96+Yn3th7/9srin97U+V9N7IrmPa0TpfM/ftdQ6eBm4s/O/8lqaiTfs5HPv420a2tXMwAAAPz3pBGxP5J0dCWdpqOjtd/wH4q9aXlufuGZs3MfXJyuPSMwGP1pcadroO5+6Hg+rS/yE035E/l94y9Le6r50am58nS3g4cet69N/8/8Wep264Bt53kt6F36P/Qu/R96l/4PvatF/9/TjXYAO6/V9//HXWgHsPOa+r9lP+gh5v/Qu/R/6F36P/Sk+T1x+4fkJSTWJCK9K5ohsU2Jbn8yAQAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAdMa/AQAA//9QOObV") lsetxattr$trusted_overlay_upper(&(0x7f0000000100)='./file1\x00', &(0x7f00000000c0), &(0x7f0000000040)=ANY=[], 0xfe37, 0x0) truncate(&(0x7f0000000180)='./file1\x00', 0x3b) program crashed: possible deadlock in ext4_xattr_inode_lookup_create single: successfully extracted reproducer found reproducer with 3 syscalls minimizing guilty program testing program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:6 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 LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_mount_image$ext4-lsetxattr$trusted_overlay_upper detailed listing: executing program 0: syz_mount_image$ext4(&(0x7f0000000040)='ext4\x00', &(0x7f00000001c0)='./file2\x00', 0x404, &(0x7f0000000340)={[{@nogrpid}, {@resuid}, {@debug_want_extra_isize={'debug_want_extra_isize', 0x3d, 0x68}}, {@jqfmt_vfsv0}, {@nombcache}, {@quota}]}, 0x3, 0x42f, &(0x7f0000000940)="$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") lsetxattr$trusted_overlay_upper(&(0x7f0000000100)='./file1\x00', &(0x7f00000000c0), &(0x7f0000000040)=ANY=[], 0xfe37, 0x0) program did not crash testing program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:6 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_mount_image$ext4-truncate detailed listing: executing program 0: syz_mount_image$ext4(&(0x7f0000000040)='ext4\x00', &(0x7f00000001c0)='./file2\x00', 0x404, &(0x7f0000000340)={[{@nogrpid}, {@resuid}, {@debug_want_extra_isize={'debug_want_extra_isize', 0x3d, 0x68}}, {@jqfmt_vfsv0}, {@nombcache}, {@quota}]}, 0x3, 0x42f, &(0x7f0000000940)="$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") truncate(&(0x7f0000000180)='./file1\x00', 0x3b) program did not crash testing program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:6 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 LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): lsetxattr$trusted_overlay_upper-truncate detailed listing: executing program 0: lsetxattr$trusted_overlay_upper(&(0x7f0000000100)='./file1\x00', &(0x7f00000000c0), &(0x7f0000000040)=ANY=[], 0xfe37, 0x0) truncate(&(0x7f0000000180)='./file1\x00', 0x3b) program did not crash testing program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:6 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 LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_mount_image$ext4-lsetxattr$trusted_overlay_upper-truncate detailed listing: executing program 0: syz_mount_image$ext4(&(0x7f0000000040)='ext4\x00', &(0x7f00000001c0)='./file2\x00', 0x404, &(0x7f0000000340)={[{@nogrpid}, {@resuid}, {@debug_want_extra_isize={'debug_want_extra_isize', 0x3d, 0x68}}, {@jqfmt_vfsv0}, {@nombcache}, {@quota}]}, 0x3, 0x42f, &(0x7f0000000940)="$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") lsetxattr$trusted_overlay_upper(0x0, &(0x7f00000000c0), &(0x7f0000000040)=ANY=[], 0xfe37, 0x0) truncate(&(0x7f0000000180)='./file1\x00', 0x3b) program did not crash testing program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:6 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_mount_image$ext4-lsetxattr$trusted_overlay_upper-truncate detailed listing: executing program 0: syz_mount_image$ext4(&(0x7f0000000040)='ext4\x00', &(0x7f00000001c0)='./file2\x00', 0x404, &(0x7f0000000340)={[{@nogrpid}, {@resuid}, {@debug_want_extra_isize={'debug_want_extra_isize', 0x3d, 0x68}}, {@jqfmt_vfsv0}, {@nombcache}, {@quota}]}, 0x3, 0x42f, &(0x7f0000000940)="$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") lsetxattr$trusted_overlay_upper(&(0x7f0000000100)='./file1\x00', 0x0, &(0x7f0000000040)=ANY=[], 0xfe37, 0x0) truncate(&(0x7f0000000180)='./file1\x00', 0x3b) program did not crash testing program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:6 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 LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_mount_image$ext4-lsetxattr$trusted_overlay_upper-truncate detailed listing: executing program 0: syz_mount_image$ext4(&(0x7f0000000040)='ext4\x00', &(0x7f00000001c0)='./file2\x00', 0x404, &(0x7f0000000340)={[{@nogrpid}, {@resuid}, {@debug_want_extra_isize={'debug_want_extra_isize', 0x3d, 0x68}}, {@jqfmt_vfsv0}, {@nombcache}, {@quota}]}, 0x3, 0x42f, &(0x7f0000000940)="$eJzs289rHFUcAPDvzCat/WViqT+aVo1WMfgjadJae/CiKHhQEPRQjzFJS+y2kSaCLUGjSD1Kwbt4FPwLPOlF1JPgVe9SKJJLq6eV2Z1Jdje7aZJustX9fGCS92be8t53Z97ue/N2AuhZw9mfJGJ/RPweEQO1bGOB4dq/W8uLU38vL04lUam89VdSLXdzeXGqKFq8bl+R6YtIP0viSIt65y9fOT9ZLs9cyvNjCxfeH5u/fOW52QuT52bOzVycOH365InxF05NPN+ROLO4bg59NHf08GvvXHtj6sy1d3/+Ninib4qjQ4bXO/hkpdLh6rrrQF066etiQ9iUUq2bRn+1/w9EKVZP3kC8+mlXGwdsq0qlUnmg/eGlCvA/lkS3WwB0R/FFn81/i22Hhh53hRsv1SZAWdy38q12pC/SvEx/0/y2k4Yj4szSP19lW2zPfQgAgAbfZ+OfZ1uN/9Kovy90b76GMhgR90XEwYg4FRGHIuL+iGrZByPioU3W37xIsnb8k17fUmAblI3/XszXthrHf8XoLwZLee5ANf7+5OxseeZ4/p6MRP/uLD++Th0/vPLbF+2O1Y//si2rvxgL5u243re78TXTkwuTdxJzvRufRAz1tYo/WVkJSCLicEQMbbGO2ae/Odru2O3jX0cH1pkqX0c8VTv/S9EUfyFZf31y7J4ozxwfK66KtX759eqb7eq/o/g7IDv/e1te/yvxDyb167Xzm6/j6h+ft53TbPX635W83bDvw8mFhUvjEbuS12uNrt8/0VRuYrV8Fv/Isdb9/2CsvhNHIiK7iB+OiEci4tG87Y9FxOMRcWyd+H96+Yn3th7/9srin97U+V9N7IrmPa0TpfM/ftdQ6eBm4s/O/8lqaiTfs5HPv420a2tXMwAAAPz3pBGxP5J0dCWdpqOjtd/wH4q9aXlufuGZs3MfXJyuPSMwGP1pcadroO5+6Hg+rS/yE035E/l94y9Le6r50am58nS3g4cet69N/8/8Wep264Bt53kt6F36P/Qu/R96l/4PvatF/9/TjXYAO6/V9//HXWgHsPOa+r9lP+gh5v/Qu/R/6F36P/Sk+T1x+4fkJSTWJCK9K5ohsU2Jbn8yAQAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAdMa/AQAA//9QOObV") lsetxattr$trusted_overlay_upper(&(0x7f0000000100)='./file1\x00', &(0x7f00000000c0), 0x0, 0xfe37, 0x0) truncate(&(0x7f0000000180)='./file1\x00', 0x3b) program did not crash testing program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:6 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_mount_image$ext4-lsetxattr$trusted_overlay_upper-truncate detailed listing: executing program 0: syz_mount_image$ext4(&(0x7f0000000040)='ext4\x00', &(0x7f00000001c0)='./file2\x00', 0x404, &(0x7f0000000340)={[{@nogrpid}, {@resuid}, {@debug_want_extra_isize={'debug_want_extra_isize', 0x3d, 0x68}}, {@jqfmt_vfsv0}, {@nombcache}, {@quota}]}, 0x3, 0x42f, &(0x7f0000000940)="$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") lsetxattr$trusted_overlay_upper(&(0x7f0000000100)='./file1\x00', &(0x7f00000000c0), &(0x7f0000000040)=ANY=[], 0xfe37, 0x0) truncate(0x0, 0x3b) program did not crash extracting C reproducer testing compiled C program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:6 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 LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_mount_image$ext4-lsetxattr$trusted_overlay_upper-truncate program crashed: possible deadlock in ext4_xattr_inode_lookup_create simplifying C reproducer testing compiled C program (duration=6m0s, {Threaded:false Repeat:true RepeatTimes:0 Procs:6 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 LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_mount_image$ext4-lsetxattr$trusted_overlay_upper-truncate program crashed: possible deadlock in ext4_xattr_inode_lookup_create testing compiled C program (duration=6m0s, {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 LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_mount_image$ext4-lsetxattr$trusted_overlay_upper-truncate program crashed: possible deadlock in ext4_xattr_inode_lookup_create testing compiled C program (duration=6m0s, {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 LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_mount_image$ext4-lsetxattr$trusted_overlay_upper-truncate program crashed: possible deadlock in ext4_xattr_inode_lookup_create testing compiled C program (duration=6m0s, {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 LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_mount_image$ext4-lsetxattr$trusted_overlay_upper-truncate program crashed: possible deadlock in ext4_xattr_inode_lookup_create testing compiled C program (duration=6m0s, {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 LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_mount_image$ext4-lsetxattr$trusted_overlay_upper-truncate 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: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 LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_mount_image$ext4-lsetxattr$trusted_overlay_upper-truncate program crashed: possible deadlock in ext4_xattr_inode_lookup_create testing compiled C program (duration=6m0s, {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 LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_mount_image$ext4-lsetxattr$trusted_overlay_upper-truncate program crashed: possible deadlock in ext4_xattr_inode_lookup_create reproducing took 1h0m46.650052236s repro crashed as (corrupted=false): EXT4-fs (loop0): 1 truncate cleaned up EXT4-fs (loop0): mounted filesystem 00000000-0000-0000-0000-000000000000 r/w without journal. Quota mode: writeback. ====================================================== WARNING: possible circular locking dependency detected 6.14.0-rc6-syzkaller-00022-gb7f94fcf5546 #0 Not tainted ------------------------------------------------------ syz-executor144/5324 is trying to acquire lock: ffff8880480b0de0 (&sb->s_type->i_mutex_key#8/1){+.+.}-{4:4}, at: inode_lock include/linux/fs.h:877 [inline] ffff8880480b0de0 (&sb->s_type->i_mutex_key#8/1){+.+.}-{4:4}, at: ext4_xattr_inode_create fs/ext4/xattr.c:1514 [inline] ffff8880480b0de0 (&sb->s_type->i_mutex_key#8/1){+.+.}-{4:4}, at: ext4_xattr_inode_lookup_create+0x17de/0x1c70 fs/ext4/xattr.c:1596 but task is already holding lock: ffff8880480b1658 (&ei->i_data_sem/3){++++}-{4:4}, at: ext4_setattr+0x16e1/0x1da0 fs/ext4/inode.c:5505 which lock already depends on the new lock. the existing dependency chain (in reverse order) is: -> #1 (&ei->i_data_sem/3){++++}-{4:4}: lock_acquire+0x1ed/0x550 kernel/locking/lockdep.c:5851 down_write+0x99/0x220 kernel/locking/rwsem.c:1577 ext4_update_i_disksize fs/ext4/ext4.h:3375 [inline] ext4_xattr_inode_write fs/ext4/xattr.c:1452 [inline] ext4_xattr_inode_lookup_create+0x1484/0x1c70 fs/ext4/xattr.c:1602 ext4_xattr_ibody_set+0x214/0x730 fs/ext4/xattr.c:2269 ext4_xattr_set_handle+0xba6/0x1580 fs/ext4/xattr.c:2446 ext4_xattr_set+0x280/0x3e0 fs/ext4/xattr.c:2560 __vfs_setxattr+0x468/0x4a0 fs/xattr.c:200 __vfs_setxattr_noperm+0x12e/0x660 fs/xattr.c:234 vfs_setxattr+0x221/0x430 fs/xattr.c:321 do_setxattr fs/xattr.c:636 [inline] filename_setxattr+0x2af/0x430 fs/xattr.c:665 path_setxattrat+0x440/0x510 fs/xattr.c:713 __do_sys_lsetxattr fs/xattr.c:754 [inline] __se_sys_lsetxattr fs/xattr.c:750 [inline] __x64_sys_lsetxattr+0xbf/0xe0 fs/xattr.c:750 do_syscall_x64 arch/x86/entry/common.c:52 [inline] do_syscall_64+0xf3/0x230 arch/x86/entry/common.c:83 entry_SYSCALL_64_after_hwframe+0x77/0x7f -> #0 (&sb->s_type->i_mutex_key#8/1){+.+.}-{4:4}: check_prev_add kernel/locking/lockdep.c:3163 [inline] check_prevs_add kernel/locking/lockdep.c:3282 [inline] validate_chain+0x18ef/0x5920 kernel/locking/lockdep.c:3906 __lock_acquire+0x1397/0x2100 kernel/locking/lockdep.c:5228 lock_acquire+0x1ed/0x550 kernel/locking/lockdep.c:5851 down_write+0x99/0x220 kernel/locking/rwsem.c:1577 inode_lock include/linux/fs.h:877 [inline] ext4_xattr_inode_create fs/ext4/xattr.c:1514 [inline] ext4_xattr_inode_lookup_create+0x17de/0x1c70 fs/ext4/xattr.c:1596 ext4_xattr_block_set+0x26c/0x32d0 fs/ext4/xattr.c:1916 ext4_xattr_move_to_block fs/ext4/xattr.c:2670 [inline] ext4_xattr_make_inode_space fs/ext4/xattr.c:2745 [inline] ext4_expand_extra_isize_ea+0x1182/0x1cf0 fs/ext4/xattr.c:2837 __ext4_expand_extra_isize+0x306/0x400 fs/ext4/inode.c:5889 ext4_try_to_expand_extra_isize fs/ext4/inode.c:5932 [inline] __ext4_mark_inode_dirty+0x524/0x880 fs/ext4/inode.c:6010 ext4_setattr+0x1780/0x1da0 fs/ext4/inode.c:5508 notify_change+0xbca/0xe90 fs/attr.c:552 do_truncate+0x220/0x310 fs/open.c:65 vfs_truncate+0x492/0x530 fs/open.c:115 do_sys_truncate+0xdb/0x190 fs/open.c:138 do_syscall_x64 arch/x86/entry/common.c:52 [inline] do_syscall_64+0xf3/0x230 arch/x86/entry/common.c:83 entry_SYSCALL_64_after_hwframe+0x77/0x7f other info that might help us debug this: Possible unsafe locking scenario: CPU0 CPU1 ---- ---- lock(&ei->i_data_sem/3); lock(&sb->s_type->i_mutex_key#8/1); lock(&ei->i_data_sem/3); lock(&sb->s_type->i_mutex_key#8/1); *** DEADLOCK *** 5 locks held by syz-executor144/5324: #0: ffff88804408e420 (sb_writers#4){.+.+}-{0:0}, at: mnt_want_write+0x3f/0x90 fs/namespace.c:547 #1: ffff8880480b17c8 (&sb->s_type->i_mutex_key#8){++++}-{4:4}, at: inode_lock include/linux/fs.h:877 [inline] #1: ffff8880480b17c8 (&sb->s_type->i_mutex_key#8){++++}-{4:4}, at: do_truncate+0x20c/0x310 fs/open.c:63 #2: ffff8880480b1968 (mapping.invalidate_lock){++++}-{4:4}, at: filemap_invalidate_lock include/linux/fs.h:922 [inline] #2: ffff8880480b1968 (mapping.invalidate_lock){++++}-{4:4}, at: ext4_setattr+0xf94/0x1da0 fs/ext4/inode.c:5453 #3: ffff8880480b1658 (&ei->i_data_sem/3){++++}-{4:4}, at: ext4_setattr+0x16e1/0x1da0 fs/ext4/inode.c:5505 #4: ffff8880480b1498 (&ei->xattr_sem){++++}-{4:4}, at: ext4_write_trylock_xattr fs/ext4/xattr.h:161 [inline] #4: ffff8880480b1498 (&ei->xattr_sem){++++}-{4:4}, at: ext4_try_to_expand_extra_isize fs/ext4/inode.c:5929 [inline] #4: ffff8880480b1498 (&ei->xattr_sem){++++}-{4:4}, at: __ext4_mark_inode_dirty+0x491/0x880 fs/ext4/inode.c:6010 stack backtrace: CPU: 0 UID: 0 PID: 5324 Comm: syz-executor144 Not tainted 6.14.0-rc6-syzkaller-00022-gb7f94fcf5546 #0 Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2~bpo12+1 04/01/2014 Call Trace: __dump_stack lib/dump_stack.c:94 [inline] dump_stack_lvl+0x241/0x360 lib/dump_stack.c:120 print_circular_bug+0x13a/0x1b0 kernel/locking/lockdep.c:2076 check_noncircular+0x36a/0x4a0 kernel/locking/lockdep.c:2208 check_prev_add kernel/locking/lockdep.c:3163 [inline] check_prevs_add kernel/locking/lockdep.c:3282 [inline] validate_chain+0x18ef/0x5920 kernel/locking/lockdep.c:3906 __lock_acquire+0x1397/0x2100 kernel/locking/lockdep.c:5228 lock_acquire+0x1ed/0x550 kernel/locking/lockdep.c:5851 down_write+0x99/0x220 kernel/locking/rwsem.c:1577 inode_lock include/linux/fs.h:877 [inline] ext4_xattr_inode_create fs/ext4/xattr.c:1514 [inline] ext4_xattr_inode_lookup_create+0x17de/0x1c70 fs/ext4/xattr.c:1596 ext4_xattr_block_set+0x26c/0x32d0 fs/ext4/xattr.c:1916 ext4_xattr_move_to_block fs/ext4/xattr.c:2670 [inline] ext4_xattr_make_inode_space fs/ext4/xattr.c:2745 [inline] ext4_expand_extra_isize_ea+0x1182/0x1cf0 fs/ext4/xattr.c:2837 __ext4_expand_extra_isize+0x306/0x400 fs/ext4/inode.c:5889 ext4_try_to_expand_extra_isize fs/ext4/inode.c:5932 [inline] __ext4_mark_inode_dirty+0x524/0x880 fs/ext4/inode.c:6010 ext4_setattr+0x1780/0x1da0 fs/ext4/inode.c:5508 notify_change+0xbca/0xe90 fs/attr.c:552 do_truncate+0x220/0x310 fs/open.c:65 vfs_truncate+0x492/0x530 fs/open.c:115 do_sys_truncate+0xdb/0x190 fs/open.c:138 do_syscall_x64 arch/x86/entry/common.c:52 [inline] do_syscall_64+0xf3/0x230 arch/x86/entry/common.c:83 entry_SYSCALL_64_after_hwframe+0x77/0x7f RIP: 0033:0x7f7aa13432e9 Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 21 18 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48 RSP: 002b:00007ffc190485d8 EFLAGS: 00000246 ORIG_RAX: 000000000000004c RAX: ffffffffffffffda RBX: 0031656c69662f2e RCX: 00007f7aa13432e9 RDX: 00007f7aa13432e9 RSI: 000000000000003b RDI: 0000400000000180 RBP: 0000000000000000 R08: 00007ffc19048610 R09: 00007ffc19048610 R10: 0000000000000000 R11: 0000000000000246 R12: 00007ffc190485fc R13: 000000000000000a R14: 431bde82d7b634db R15: 00007ffc19048630 final repro crashed as (corrupted=false): EXT4-fs (loop0): 1 truncate cleaned up EXT4-fs (loop0): mounted filesystem 00000000-0000-0000-0000-000000000000 r/w without journal. Quota mode: writeback. ====================================================== WARNING: possible circular locking dependency detected 6.14.0-rc6-syzkaller-00022-gb7f94fcf5546 #0 Not tainted ------------------------------------------------------ syz-executor144/5324 is trying to acquire lock: ffff8880480b0de0 (&sb->s_type->i_mutex_key#8/1){+.+.}-{4:4}, at: inode_lock include/linux/fs.h:877 [inline] ffff8880480b0de0 (&sb->s_type->i_mutex_key#8/1){+.+.}-{4:4}, at: ext4_xattr_inode_create fs/ext4/xattr.c:1514 [inline] ffff8880480b0de0 (&sb->s_type->i_mutex_key#8/1){+.+.}-{4:4}, at: ext4_xattr_inode_lookup_create+0x17de/0x1c70 fs/ext4/xattr.c:1596 but task is already holding lock: ffff8880480b1658 (&ei->i_data_sem/3){++++}-{4:4}, at: ext4_setattr+0x16e1/0x1da0 fs/ext4/inode.c:5505 which lock already depends on the new lock. the existing dependency chain (in reverse order) is: -> #1 (&ei->i_data_sem/3){++++}-{4:4}: lock_acquire+0x1ed/0x550 kernel/locking/lockdep.c:5851 down_write+0x99/0x220 kernel/locking/rwsem.c:1577 ext4_update_i_disksize fs/ext4/ext4.h:3375 [inline] ext4_xattr_inode_write fs/ext4/xattr.c:1452 [inline] ext4_xattr_inode_lookup_create+0x1484/0x1c70 fs/ext4/xattr.c:1602 ext4_xattr_ibody_set+0x214/0x730 fs/ext4/xattr.c:2269 ext4_xattr_set_handle+0xba6/0x1580 fs/ext4/xattr.c:2446 ext4_xattr_set+0x280/0x3e0 fs/ext4/xattr.c:2560 __vfs_setxattr+0x468/0x4a0 fs/xattr.c:200 __vfs_setxattr_noperm+0x12e/0x660 fs/xattr.c:234 vfs_setxattr+0x221/0x430 fs/xattr.c:321 do_setxattr fs/xattr.c:636 [inline] filename_setxattr+0x2af/0x430 fs/xattr.c:665 path_setxattrat+0x440/0x510 fs/xattr.c:713 __do_sys_lsetxattr fs/xattr.c:754 [inline] __se_sys_lsetxattr fs/xattr.c:750 [inline] __x64_sys_lsetxattr+0xbf/0xe0 fs/xattr.c:750 do_syscall_x64 arch/x86/entry/common.c:52 [inline] do_syscall_64+0xf3/0x230 arch/x86/entry/common.c:83 entry_SYSCALL_64_after_hwframe+0x77/0x7f -> #0 (&sb->s_type->i_mutex_key#8/1){+.+.}-{4:4}: check_prev_add kernel/locking/lockdep.c:3163 [inline] check_prevs_add kernel/locking/lockdep.c:3282 [inline] validate_chain+0x18ef/0x5920 kernel/locking/lockdep.c:3906 __lock_acquire+0x1397/0x2100 kernel/locking/lockdep.c:5228 lock_acquire+0x1ed/0x550 kernel/locking/lockdep.c:5851 down_write+0x99/0x220 kernel/locking/rwsem.c:1577 inode_lock include/linux/fs.h:877 [inline] ext4_xattr_inode_create fs/ext4/xattr.c:1514 [inline] ext4_xattr_inode_lookup_create+0x17de/0x1c70 fs/ext4/xattr.c:1596 ext4_xattr_block_set+0x26c/0x32d0 fs/ext4/xattr.c:1916 ext4_xattr_move_to_block fs/ext4/xattr.c:2670 [inline] ext4_xattr_make_inode_space fs/ext4/xattr.c:2745 [inline] ext4_expand_extra_isize_ea+0x1182/0x1cf0 fs/ext4/xattr.c:2837 __ext4_expand_extra_isize+0x306/0x400 fs/ext4/inode.c:5889 ext4_try_to_expand_extra_isize fs/ext4/inode.c:5932 [inline] __ext4_mark_inode_dirty+0x524/0x880 fs/ext4/inode.c:6010 ext4_setattr+0x1780/0x1da0 fs/ext4/inode.c:5508 notify_change+0xbca/0xe90 fs/attr.c:552 do_truncate+0x220/0x310 fs/open.c:65 vfs_truncate+0x492/0x530 fs/open.c:115 do_sys_truncate+0xdb/0x190 fs/open.c:138 do_syscall_x64 arch/x86/entry/common.c:52 [inline] do_syscall_64+0xf3/0x230 arch/x86/entry/common.c:83 entry_SYSCALL_64_after_hwframe+0x77/0x7f other info that might help us debug this: Possible unsafe locking scenario: CPU0 CPU1 ---- ---- lock(&ei->i_data_sem/3); lock(&sb->s_type->i_mutex_key#8/1); lock(&ei->i_data_sem/3); lock(&sb->s_type->i_mutex_key#8/1); *** DEADLOCK *** 5 locks held by syz-executor144/5324: #0: ffff88804408e420 (sb_writers#4){.+.+}-{0:0}, at: mnt_want_write+0x3f/0x90 fs/namespace.c:547 #1: ffff8880480b17c8 (&sb->s_type->i_mutex_key#8){++++}-{4:4}, at: inode_lock include/linux/fs.h:877 [inline] #1: ffff8880480b17c8 (&sb->s_type->i_mutex_key#8){++++}-{4:4}, at: do_truncate+0x20c/0x310 fs/open.c:63 #2: ffff8880480b1968 (mapping.invalidate_lock){++++}-{4:4}, at: filemap_invalidate_lock include/linux/fs.h:922 [inline] #2: ffff8880480b1968 (mapping.invalidate_lock){++++}-{4:4}, at: ext4_setattr+0xf94/0x1da0 fs/ext4/inode.c:5453 #3: ffff8880480b1658 (&ei->i_data_sem/3){++++}-{4:4}, at: ext4_setattr+0x16e1/0x1da0 fs/ext4/inode.c:5505 #4: ffff8880480b1498 (&ei->xattr_sem){++++}-{4:4}, at: ext4_write_trylock_xattr fs/ext4/xattr.h:161 [inline] #4: ffff8880480b1498 (&ei->xattr_sem){++++}-{4:4}, at: ext4_try_to_expand_extra_isize fs/ext4/inode.c:5929 [inline] #4: ffff8880480b1498 (&ei->xattr_sem){++++}-{4:4}, at: __ext4_mark_inode_dirty+0x491/0x880 fs/ext4/inode.c:6010 stack backtrace: CPU: 0 UID: 0 PID: 5324 Comm: syz-executor144 Not tainted 6.14.0-rc6-syzkaller-00022-gb7f94fcf5546 #0 Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2~bpo12+1 04/01/2014 Call Trace: __dump_stack lib/dump_stack.c:94 [inline] dump_stack_lvl+0x241/0x360 lib/dump_stack.c:120 print_circular_bug+0x13a/0x1b0 kernel/locking/lockdep.c:2076 check_noncircular+0x36a/0x4a0 kernel/locking/lockdep.c:2208 check_prev_add kernel/locking/lockdep.c:3163 [inline] check_prevs_add kernel/locking/lockdep.c:3282 [inline] validate_chain+0x18ef/0x5920 kernel/locking/lockdep.c:3906 __lock_acquire+0x1397/0x2100 kernel/locking/lockdep.c:5228 lock_acquire+0x1ed/0x550 kernel/locking/lockdep.c:5851 down_write+0x99/0x220 kernel/locking/rwsem.c:1577 inode_lock include/linux/fs.h:877 [inline] ext4_xattr_inode_create fs/ext4/xattr.c:1514 [inline] ext4_xattr_inode_lookup_create+0x17de/0x1c70 fs/ext4/xattr.c:1596 ext4_xattr_block_set+0x26c/0x32d0 fs/ext4/xattr.c:1916 ext4_xattr_move_to_block fs/ext4/xattr.c:2670 [inline] ext4_xattr_make_inode_space fs/ext4/xattr.c:2745 [inline] ext4_expand_extra_isize_ea+0x1182/0x1cf0 fs/ext4/xattr.c:2837 __ext4_expand_extra_isize+0x306/0x400 fs/ext4/inode.c:5889 ext4_try_to_expand_extra_isize fs/ext4/inode.c:5932 [inline] __ext4_mark_inode_dirty+0x524/0x880 fs/ext4/inode.c:6010 ext4_setattr+0x1780/0x1da0 fs/ext4/inode.c:5508 notify_change+0xbca/0xe90 fs/attr.c:552 do_truncate+0x220/0x310 fs/open.c:65 vfs_truncate+0x492/0x530 fs/open.c:115 do_sys_truncate+0xdb/0x190 fs/open.c:138 do_syscall_x64 arch/x86/entry/common.c:52 [inline] do_syscall_64+0xf3/0x230 arch/x86/entry/common.c:83 entry_SYSCALL_64_after_hwframe+0x77/0x7f RIP: 0033:0x7f7aa13432e9 Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 21 18 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48 RSP: 002b:00007ffc190485d8 EFLAGS: 00000246 ORIG_RAX: 000000000000004c RAX: ffffffffffffffda RBX: 0031656c69662f2e RCX: 00007f7aa13432e9 RDX: 00007f7aa13432e9 RSI: 000000000000003b RDI: 0000400000000180 RBP: 0000000000000000 R08: 00007ffc19048610 R09: 00007ffc19048610 R10: 0000000000000000 R11: 0000000000000246 R12: 00007ffc190485fc R13: 000000000000000a R14: 431bde82d7b634db R15: 00007ffc19048630