Extracting prog: 1m34.836051716s
Minimizing prog: 11m30.086140644s
Simplifying prog options: 2m31.631018253s
Extracting C: 1m12.2840063s
Simplifying C: 0s


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:false Wifi:false IEEE802154:false Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_mount_image$ext4-openat-openat-openat-pwrite64-write$binfmt_aout-sendfile
detailed listing:
executing program 0:
syz_mount_image$ext4(&(0x7f0000000140)='ext4\x00', &(0x7f0000000000)='./file1\x00', 0x18, &(0x7f0000000580)={[{@delalloc}, {@data_err_abort}, {@barrier_val={'barrier', 0x3d, 0x3}}, {}, {@bh}, {@oldalloc}, {@data_err_ignore}, {@nouid32}, {@nobh}, {@user_xattr}, {@nouid32}, {@dioread_nolock}]}, 0x1, 0x55e, &(0x7f0000001bc0)="$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")
r0 = openat(0xffffffffffffff9c, &(0x7f0000000400)='./bus\x00', 0x20240, 0x0)
r1 = openat(0xffffffffffffff9c, &(0x7f0000004400)='./bus\x00', 0x1c1182, 0x9b)
r2 = openat(0xffffffffffffff9c, &(0x7f0000000040)='./file1\x00', 0x42, 0x0)
pwrite64(r2, &(0x7f00000000c0)='a', 0x200000c1, 0x9000)
write$binfmt_aout(r1, &(0x7f0000000d00)=ANY=[@ANYBLOB], 0x720)
sendfile(r1, r0, 0x0, 0x3ffff)

program crashed: kernel BUG in ext4_mb_use_inode_pa
single: successfully extracted reproducer
found reproducer with 7 syscalls
minimizing guilty program
testing program (duration=36.60633634s, {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:false Wifi:false IEEE802154:false Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_mount_image$ext4-openat-openat-openat-pwrite64-write$binfmt_aout
detailed listing:
executing program 0:
syz_mount_image$ext4(&(0x7f0000000140)='ext4\x00', &(0x7f0000000000)='./file1\x00', 0x18, &(0x7f0000000580)={[{@delalloc}, {@data_err_abort}, {@barrier_val={'barrier', 0x3d, 0x3}}, {}, {@bh}, {@oldalloc}, {@data_err_ignore}, {@nouid32}, {@nobh}, {@user_xattr}, {@nouid32}, {@dioread_nolock}]}, 0x1, 0x55e, &(0x7f0000001bc0)="$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")
openat(0xffffffffffffff9c, &(0x7f0000000400)='./bus\x00', 0x20240, 0x0)
r0 = openat(0xffffffffffffff9c, &(0x7f0000004400)='./bus\x00', 0x1c1182, 0x9b)
r1 = openat(0xffffffffffffff9c, &(0x7f0000000040)='./file1\x00', 0x42, 0x0)
pwrite64(r1, &(0x7f00000000c0)='a', 0x200000c1, 0x9000)
write$binfmt_aout(r0, &(0x7f0000000d00)=ANY=[@ANYBLOB], 0x720)

program did not crash
testing program (duration=36.60633634s, {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:false Wifi:false IEEE802154:false Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_mount_image$ext4-openat-openat-openat-pwrite64-sendfile
detailed listing:
executing program 0:
syz_mount_image$ext4(&(0x7f0000000140)='ext4\x00', &(0x7f0000000000)='./file1\x00', 0x18, &(0x7f0000000580)={[{@delalloc}, {@data_err_abort}, {@barrier_val={'barrier', 0x3d, 0x3}}, {}, {@bh}, {@oldalloc}, {@data_err_ignore}, {@nouid32}, {@nobh}, {@user_xattr}, {@nouid32}, {@dioread_nolock}]}, 0x1, 0x55e, &(0x7f0000001bc0)="$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")
r0 = openat(0xffffffffffffff9c, &(0x7f0000000400)='./bus\x00', 0x20240, 0x0)
r1 = openat(0xffffffffffffff9c, &(0x7f0000004400)='./bus\x00', 0x1c1182, 0x9b)
r2 = openat(0xffffffffffffff9c, &(0x7f0000000040)='./file1\x00', 0x42, 0x0)
pwrite64(r2, &(0x7f00000000c0)='a', 0x200000c1, 0x9000)
sendfile(r1, r0, 0x0, 0x3ffff)

program did not crash
testing program (duration=36.60633634s, {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:false Wifi:false IEEE802154:false Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_mount_image$ext4-openat-openat-openat-write$binfmt_aout-sendfile
detailed listing:
executing program 0:
syz_mount_image$ext4(&(0x7f0000000140)='ext4\x00', &(0x7f0000000000)='./file1\x00', 0x18, &(0x7f0000000580)={[{@delalloc}, {@data_err_abort}, {@barrier_val={'barrier', 0x3d, 0x3}}, {}, {@bh}, {@oldalloc}, {@data_err_ignore}, {@nouid32}, {@nobh}, {@user_xattr}, {@nouid32}, {@dioread_nolock}]}, 0x1, 0x55e, &(0x7f0000001bc0)="$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")
r0 = openat(0xffffffffffffff9c, &(0x7f0000000400)='./bus\x00', 0x20240, 0x0)
r1 = openat(0xffffffffffffff9c, &(0x7f0000004400)='./bus\x00', 0x1c1182, 0x9b)
openat(0xffffffffffffff9c, &(0x7f0000000040)='./file1\x00', 0x42, 0x0)
write$binfmt_aout(r1, &(0x7f0000000d00)=ANY=[@ANYBLOB], 0x720)
sendfile(r1, r0, 0x0, 0x3ffff)

program did not crash
testing program (duration=36.60633634s, {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:false Wifi:false IEEE802154:false Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_mount_image$ext4-openat-openat-pwrite64-write$binfmt_aout-sendfile
detailed listing:
executing program 0:
syz_mount_image$ext4(&(0x7f0000000140)='ext4\x00', &(0x7f0000000000)='./file1\x00', 0x18, &(0x7f0000000580)={[{@delalloc}, {@data_err_abort}, {@barrier_val={'barrier', 0x3d, 0x3}}, {}, {@bh}, {@oldalloc}, {@data_err_ignore}, {@nouid32}, {@nobh}, {@user_xattr}, {@nouid32}, {@dioread_nolock}]}, 0x1, 0x55e, &(0x7f0000001bc0)="$eJzs3d9rW+UbAPDnpM1+f7/rYAwVkcIunMyla+uPCV7MS9HhQO9naM/KaLqMJh1rHbhduBtvZAgiDsR7vfdKhv+Af8VAB0NG0QtvKic9abs1adIuWzrz+cDZ3jfnJO95cs7z9n1zTkgAA2s0+6cQ8WJEfJVEHI6IJF83HPnK0dXtlh9en8qWJFZWPv4zaWyX1Zuv1XzewbzyQkT8+kXEycLmdmuLS7PlSiWdz+tj9bkrY7XFpVOX5soz6Ux6eWJy8sybkxPvvP1Wz2J97fzf33509/0zXx5f/uan+0duJ3E2DuXrNsbxBG5srIzGaP6eFOPsYxuOr/7XizZ3haTfO8CODOV5XoysDzgcQ3nWA/99n0fECjCgEvkPA6o5DmjO7Xs0D35uPHhvdQK0Of7h1c9GYl9jbnRgOXlkZpTNd0d60H7Wxs9/3LmdLdG7zyEAOrpxMyJODw9v7v+SvP/budNdbPN4G/o/eHbuZuOf11uNfwpr459oMf452CJ3d6Jz/hfu96CZtrLx37stx79rF61GhvLa/xpjvmJy8VIlzfq2/0fEiSjuzerjW7RxZvneSrt1G8d/2ZK13xwL5vtxf3jvo8+ZLtfLTxLzRg9uRrzUcvybrB3/pMXxz96P8122cSy980q7dZ3jf7pWfoh4teXxX7+ilWx9fXKscT6MNc+Kzf66dey3du33O/7s+B/YOv6RZOP12tr22/h+3z9pu3WPxB/dn/97kk8a5T35Y9fK9fr8eMSe5MPNj0+sP7dZb26fxX/i+Nb93/r5/8va6+yPiE+7jP/W0R9f3tdN/H06/tPbOv7bL9z74LPv2rXfXf/3RqN0In+km/6vw34VY8dnMwAAAAAAAOxehYg4FEmhtFYuFEql1fs7jsaBQqVaq5+8WF24PB2N78qORLHQvNJ9eMP9EOP5/bDN+sRj9cmIOBIRXw/tb9RLU9XKdL+DBwAAAAAAAAAAAAAAAAAAgF3iYJvv/2d+H+r33gFPnZ/8hsHVMf978UtPwK7k7z8MLvkPg0v+w+CS/zC45D8MLvkPg0v+w+CS/wAAAAAAAAAAAAAAAAAAAAAAAAAAANBT58+dy5aV5YfXp7L69NXFhdnq1VPTaW22NLcwVZqqzl8pzVSrM5W0NFWd6/R6lWr1yvhELFwbq6e1+lhtcenCXHXhcv3CpbnyTHohLT6TqAAAAAAAAAAAAAAAAAAAAOD5Ultcmi1XKum8gsKOCsO7YzcUelzod88EAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAOv+DQAA//8Kozfs")
r0 = openat(0xffffffffffffff9c, &(0x7f0000000400)='./bus\x00', 0x20240, 0x0)
r1 = openat(0xffffffffffffff9c, &(0x7f0000004400)='./bus\x00', 0x1c1182, 0x9b)
pwrite64(0xffffffffffffffff, &(0x7f00000000c0)='a', 0x200000c1, 0x9000)
write$binfmt_aout(r1, &(0x7f0000000d00)=ANY=[@ANYBLOB], 0x720)
sendfile(r1, r0, 0x0, 0x3ffff)

program did not crash
testing program (duration=36.60633634s, {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:false Wifi:false IEEE802154:false Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_mount_image$ext4-openat-openat-pwrite64-write$binfmt_aout-sendfile
detailed listing:
executing program 0:
syz_mount_image$ext4(&(0x7f0000000140)='ext4\x00', &(0x7f0000000000)='./file1\x00', 0x18, &(0x7f0000000580)={[{@delalloc}, {@data_err_abort}, {@barrier_val={'barrier', 0x3d, 0x3}}, {}, {@bh}, {@oldalloc}, {@data_err_ignore}, {@nouid32}, {@nobh}, {@user_xattr}, {@nouid32}, {@dioread_nolock}]}, 0x1, 0x55e, &(0x7f0000001bc0)="$eJzs3d9rW+UbAPDnpM1+f7/rYAwVkcIunMyla+uPCV7MS9HhQO9naM/KaLqMJh1rHbhduBtvZAgiDsR7vfdKhv+Af8VAB0NG0QtvKic9abs1adIuWzrz+cDZ3jfnJO95cs7z9n1zTkgAA2s0+6cQ8WJEfJVEHI6IJF83HPnK0dXtlh9en8qWJFZWPv4zaWyX1Zuv1XzewbzyQkT8+kXEycLmdmuLS7PlSiWdz+tj9bkrY7XFpVOX5soz6Ux6eWJy8sybkxPvvP1Wz2J97fzf33509/0zXx5f/uan+0duJ3E2DuXrNsbxBG5srIzGaP6eFOPsYxuOr/7XizZ3haTfO8CODOV5XoysDzgcQ3nWA/99n0fECjCgEvkPA6o5DmjO7Xs0D35uPHhvdQK0Of7h1c9GYl9jbnRgOXlkZpTNd0d60H7Wxs9/3LmdLdG7zyEAOrpxMyJODw9v7v+SvP/budNdbPN4G/o/eHbuZuOf11uNfwpr459oMf452CJ3d6Jz/hfu96CZtrLx37stx79rF61GhvLa/xpjvmJy8VIlzfq2/0fEiSjuzerjW7RxZvneSrt1G8d/2ZK13xwL5vtxf3jvo8+ZLtfLTxLzRg9uRrzUcvybrB3/pMXxz96P8122cSy980q7dZ3jf7pWfoh4teXxX7+ilWx9fXKscT6MNc+Kzf66dey3du33O/7s+B/YOv6RZOP12tr22/h+3z9pu3WPxB/dn/97kk8a5T35Y9fK9fr8eMSe5MPNj0+sP7dZb26fxX/i+Nb93/r5/8va6+yPiE+7jP/W0R9f3tdN/H06/tPbOv7bL9z74LPv2rXfXf/3RqN0In+km/6vw34VY8dnMwAAAAAAAOxehYg4FEmhtFYuFEql1fs7jsaBQqVaq5+8WF24PB2N78qORLHQvNJ9eMP9EOP5/bDN+sRj9cmIOBIRXw/tb9RLU9XKdL+DBwAAAAAAAAAAAAAAAAAAgF3iYJvv/2d+H+r33gFPnZ/8hsHVMf978UtPwK7k7z8MLvkPg0v+w+CS/zC45D8MLvkPg0v+w+CS/wAAAAAAAAAAAAAAAAAAAAAAAAAAANBT58+dy5aV5YfXp7L69NXFhdnq1VPTaW22NLcwVZqqzl8pzVSrM5W0NFWd6/R6lWr1yvhELFwbq6e1+lhtcenCXHXhcv3CpbnyTHohLT6TqAAAAAAAAAAAAAAAAAAAAOD5Ultcmi1XKum8gsKOCsO7YzcUelzod88EAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAOv+DQAA//8Kozfs")
r0 = openat(0xffffffffffffff9c, &(0x7f0000000400)='./bus\x00', 0x20240, 0x0)
r1 = openat(0xffffffffffffff9c, &(0x7f0000000040)='./file1\x00', 0x42, 0x0)
pwrite64(r1, &(0x7f00000000c0)='a', 0x200000c1, 0x9000)
write$binfmt_aout(0xffffffffffffffff, &(0x7f0000000d00)=ANY=[@ANYBLOB], 0x720)
sendfile(0xffffffffffffffff, r0, 0x0, 0x3ffff)

program did not crash
testing program (duration=36.60633634s, {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:false Wifi:false IEEE802154:false Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_mount_image$ext4-openat-openat-pwrite64-write$binfmt_aout-sendfile
detailed listing:
executing program 0:
syz_mount_image$ext4(&(0x7f0000000140)='ext4\x00', &(0x7f0000000000)='./file1\x00', 0x18, &(0x7f0000000580)={[{@delalloc}, {@data_err_abort}, {@barrier_val={'barrier', 0x3d, 0x3}}, {}, {@bh}, {@oldalloc}, {@data_err_ignore}, {@nouid32}, {@nobh}, {@user_xattr}, {@nouid32}, {@dioread_nolock}]}, 0x1, 0x55e, &(0x7f0000001bc0)="$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")
r0 = openat(0xffffffffffffff9c, &(0x7f0000004400)='./bus\x00', 0x1c1182, 0x9b)
r1 = openat(0xffffffffffffff9c, &(0x7f0000000040)='./file1\x00', 0x42, 0x0)
pwrite64(r1, &(0x7f00000000c0)='a', 0x200000c1, 0x9000)
write$binfmt_aout(r0, &(0x7f0000000d00)=ANY=[@ANYBLOB], 0x720)
sendfile(r0, 0xffffffffffffffff, 0x0, 0x3ffff)

program did not crash
testing program (duration=36.60633634s, {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:false Wifi:false IEEE802154:false Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): openat-openat-openat-pwrite64-write$binfmt_aout-sendfile
detailed listing:
executing program 0:
r0 = openat(0xffffffffffffff9c, &(0x7f0000000400)='./bus\x00', 0x20240, 0x0)
r1 = openat(0xffffffffffffff9c, &(0x7f0000004400)='./bus\x00', 0x1c1182, 0x9b)
r2 = openat(0xffffffffffffff9c, &(0x7f0000000040)='./file1\x00', 0x42, 0x0)
pwrite64(r2, &(0x7f00000000c0)='a', 0x200000c1, 0x9000)
write$binfmt_aout(r1, &(0x7f0000000d00)=ANY=[@ANYBLOB], 0x720)
sendfile(r1, r0, 0x0, 0x3ffff)

program did not crash
testing program (duration=36.60633634s, {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:false Wifi:false IEEE802154:false Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_mount_image$ext4-openat-openat-openat-pwrite64-write$binfmt_aout-sendfile
detailed listing:
executing program 0:
syz_mount_image$ext4(&(0x7f0000000140)='ext4\x00', &(0x7f0000000000)='./file1\x00', 0x18, &(0x7f0000000580)={[{@delalloc}, {@data_err_abort}, {@barrier_val={'barrier', 0x3d, 0x3}}, {}, {@bh}, {@oldalloc}, {@data_err_ignore}, {@nouid32}, {@nobh}, {@user_xattr}, {@nouid32}, {@dioread_nolock}]}, 0x1, 0x55e, &(0x7f0000001bc0)="$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")
r0 = openat(0xffffffffffffff9c, 0x0, 0x20240, 0x0)
r1 = openat(0xffffffffffffff9c, &(0x7f0000004400)='./bus\x00', 0x1c1182, 0x9b)
r2 = openat(0xffffffffffffff9c, &(0x7f0000000040)='./file1\x00', 0x42, 0x0)
pwrite64(r2, &(0x7f00000000c0)='a', 0x200000c1, 0x9000)
write$binfmt_aout(r1, &(0x7f0000000d00)=ANY=[@ANYBLOB], 0x720)
sendfile(r1, r0, 0x0, 0x3ffff)

program did not crash
testing program (duration=36.60633634s, {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:false Wifi:false IEEE802154:false Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_mount_image$ext4-openat-openat-openat-pwrite64-write$binfmt_aout-sendfile
detailed listing:
executing program 0:
syz_mount_image$ext4(&(0x7f0000000140)='ext4\x00', &(0x7f0000000000)='./file1\x00', 0x18, &(0x7f0000000580)={[{@delalloc}, {@data_err_abort}, {@barrier_val={'barrier', 0x3d, 0x3}}, {}, {@bh}, {@oldalloc}, {@data_err_ignore}, {@nouid32}, {@nobh}, {@user_xattr}, {@nouid32}, {@dioread_nolock}]}, 0x1, 0x55e, &(0x7f0000001bc0)="$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")
r0 = openat(0xffffffffffffff9c, &(0x7f0000000400)='./bus\x00', 0x20240, 0x0)
r1 = openat(0xffffffffffffff9c, 0x0, 0x1c1182, 0x9b)
r2 = openat(0xffffffffffffff9c, &(0x7f0000000040)='./file1\x00', 0x42, 0x0)
pwrite64(r2, &(0x7f00000000c0)='a', 0x200000c1, 0x9000)
write$binfmt_aout(r1, &(0x7f0000000d00)=ANY=[@ANYBLOB], 0x720)
sendfile(r1, r0, 0x0, 0x3ffff)

program did not crash
testing program (duration=36.60633634s, {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:false Wifi:false IEEE802154:false Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_mount_image$ext4-openat-openat-openat-pwrite64-write$binfmt_aout-sendfile
detailed listing:
executing program 0:
syz_mount_image$ext4(&(0x7f0000000140)='ext4\x00', &(0x7f0000000000)='./file1\x00', 0x18, &(0x7f0000000580)={[{@delalloc}, {@data_err_abort}, {@barrier_val={'barrier', 0x3d, 0x3}}, {}, {@bh}, {@oldalloc}, {@data_err_ignore}, {@nouid32}, {@nobh}, {@user_xattr}, {@nouid32}, {@dioread_nolock}]}, 0x1, 0x55e, &(0x7f0000001bc0)="$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")
r0 = openat(0xffffffffffffff9c, &(0x7f0000000400)='./bus\x00', 0x20240, 0x0)
r1 = openat(0xffffffffffffff9c, &(0x7f0000004400)='./bus\x00', 0x1c1182, 0x9b)
r2 = openat(0xffffffffffffff9c, 0x0, 0x42, 0x0)
pwrite64(r2, &(0x7f00000000c0)='a', 0x200000c1, 0x9000)
write$binfmt_aout(r1, &(0x7f0000000d00)=ANY=[@ANYBLOB], 0x720)
sendfile(r1, r0, 0x0, 0x3ffff)

program did not crash
testing program (duration=36.60633634s, {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:false Wifi:false IEEE802154:false Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_mount_image$ext4-openat-openat-openat-pwrite64-write$binfmt_aout-sendfile
detailed listing:
executing program 0:
syz_mount_image$ext4(&(0x7f0000000140)='ext4\x00', &(0x7f0000000000)='./file1\x00', 0x18, &(0x7f0000000580)={[{@delalloc}, {@data_err_abort}, {@barrier_val={'barrier', 0x3d, 0x3}}, {}, {@bh}, {@oldalloc}, {@data_err_ignore}, {@nouid32}, {@nobh}, {@user_xattr}, {@nouid32}, {@dioread_nolock}]}, 0x1, 0x55e, &(0x7f0000001bc0)="$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")
r0 = openat(0xffffffffffffff9c, &(0x7f0000000400)='./bus\x00', 0x20240, 0x0)
r1 = openat(0xffffffffffffff9c, &(0x7f0000004400)='./bus\x00', 0x1c1182, 0x9b)
r2 = openat(0xffffffffffffff9c, &(0x7f0000000040)='./file1\x00', 0x42, 0x0)
pwrite64(r2, 0x0, 0x0, 0x9000)
write$binfmt_aout(r1, &(0x7f0000000d00)=ANY=[@ANYBLOB], 0x720)
sendfile(r1, r0, 0x0, 0x3ffff)

program did not crash
testing program (duration=36.60633634s, {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:false Wifi:false IEEE802154:false Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_mount_image$ext4-openat-openat-openat-pwrite64-write$binfmt_aout-sendfile
detailed listing:
executing program 0:
syz_mount_image$ext4(&(0x7f0000000140)='ext4\x00', &(0x7f0000000000)='./file1\x00', 0x18, &(0x7f0000000580)={[{@delalloc}, {@data_err_abort}, {@barrier_val={'barrier', 0x3d, 0x3}}, {}, {@bh}, {@oldalloc}, {@data_err_ignore}, {@nouid32}, {@nobh}, {@user_xattr}, {@nouid32}, {@dioread_nolock}]}, 0x1, 0x55e, &(0x7f0000001bc0)="$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")
r0 = openat(0xffffffffffffff9c, &(0x7f0000000400)='./bus\x00', 0x20240, 0x0)
r1 = openat(0xffffffffffffff9c, &(0x7f0000004400)='./bus\x00', 0x1c1182, 0x9b)
r2 = openat(0xffffffffffffff9c, &(0x7f0000000040)='./file1\x00', 0x42, 0x0)
pwrite64(r2, &(0x7f00000000c0), 0x0, 0x9000)
write$binfmt_aout(r1, &(0x7f0000000d00)=ANY=[@ANYBLOB], 0x720)
sendfile(r1, r0, 0x0, 0x3ffff)

program did not crash
testing program (duration=36.60633634s, {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:false Wifi:false IEEE802154:false Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_mount_image$ext4-openat-openat-openat-pwrite64-write$binfmt_aout-sendfile
detailed listing:
executing program 0:
syz_mount_image$ext4(&(0x7f0000000140)='ext4\x00', &(0x7f0000000000)='./file1\x00', 0x18, &(0x7f0000000580)={[{@delalloc}, {@data_err_abort}, {@barrier_val={'barrier', 0x3d, 0x3}}, {}, {@bh}, {@oldalloc}, {@data_err_ignore}, {@nouid32}, {@nobh}, {@user_xattr}, {@nouid32}, {@dioread_nolock}]}, 0x1, 0x55e, &(0x7f0000001bc0)="$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")
r0 = openat(0xffffffffffffff9c, &(0x7f0000000400)='./bus\x00', 0x20240, 0x0)
r1 = openat(0xffffffffffffff9c, &(0x7f0000004400)='./bus\x00', 0x1c1182, 0x9b)
r2 = openat(0xffffffffffffff9c, &(0x7f0000000040)='./file1\x00', 0x42, 0x0)
pwrite64(r2, &(0x7f00000000c0)='a', 0x200000c1, 0x9000)
write$binfmt_aout(r1, 0x0, 0x720)
sendfile(r1, r0, 0x0, 0x3ffff)

program did not crash
extracting C reproducer
testing compiled C program (duration=36.60633634s, {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:false Wifi:false IEEE802154:false Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_mount_image$ext4-openat-openat-openat-pwrite64-write$binfmt_aout-sendfile
program crashed: kernel BUG in ext4_split_extent_at
a never seen crash title: kernel BUG in ext4_split_extent_at, ignore
simplifying guilty program options
testing program (duration=36.60633634s, {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:false Wifi:false IEEE802154:false Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_mount_image$ext4-openat-openat-openat-pwrite64-write$binfmt_aout-sendfile
detailed listing:
executing program 0:
syz_mount_image$ext4(&(0x7f0000000140)='ext4\x00', &(0x7f0000000000)='./file1\x00', 0x18, &(0x7f0000000580)={[{@delalloc}, {@data_err_abort}, {@barrier_val={'barrier', 0x3d, 0x3}}, {}, {@bh}, {@oldalloc}, {@data_err_ignore}, {@nouid32}, {@nobh}, {@user_xattr}, {@nouid32}, {@dioread_nolock}]}, 0x1, 0x55e, &(0x7f0000001bc0)="$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")
r0 = openat(0xffffffffffffff9c, &(0x7f0000000400)='./bus\x00', 0x20240, 0x0)
r1 = openat(0xffffffffffffff9c, &(0x7f0000004400)='./bus\x00', 0x1c1182, 0x9b)
r2 = openat(0xffffffffffffff9c, &(0x7f0000000040)='./file1\x00', 0x42, 0x0)
pwrite64(r2, &(0x7f00000000c0)='a', 0x200000c1, 0x9000)
write$binfmt_aout(r1, &(0x7f0000000d00)=ANY=[@ANYBLOB], 0x720)
sendfile(r1, r0, 0x0, 0x3ffff)

program did not crash
testing program (duration=36.60633634s, {Threaded:true 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:false Wifi:false IEEE802154:false Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_mount_image$ext4-openat-openat-openat-pwrite64-write$binfmt_aout-sendfile
detailed listing:
executing program 0:
syz_mount_image$ext4(&(0x7f0000000140)='ext4\x00', &(0x7f0000000000)='./file1\x00', 0x18, &(0x7f0000000580)={[{@delalloc}, {@data_err_abort}, {@barrier_val={'barrier', 0x3d, 0x3}}, {}, {@bh}, {@oldalloc}, {@data_err_ignore}, {@nouid32}, {@nobh}, {@user_xattr}, {@nouid32}, {@dioread_nolock}]}, 0x1, 0x55e, &(0x7f0000001bc0)="$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")
r0 = openat(0xffffffffffffff9c, &(0x7f0000000400)='./bus\x00', 0x20240, 0x0)
r1 = openat(0xffffffffffffff9c, &(0x7f0000004400)='./bus\x00', 0x1c1182, 0x9b)
r2 = openat(0xffffffffffffff9c, &(0x7f0000000040)='./file1\x00', 0x42, 0x0)
pwrite64(r2, &(0x7f00000000c0)='a', 0x200000c1, 0x9000)
write$binfmt_aout(r1, &(0x7f0000000d00)=ANY=[@ANYBLOB], 0x720)
sendfile(r1, r0, 0x0, 0x3ffff)

program did not crash
testing program (duration=36.60633634s, {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:false Wifi:false IEEE802154:false Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_mount_image$ext4-openat-openat-openat-pwrite64-write$binfmt_aout-sendfile
detailed listing:
executing program 0:
syz_mount_image$ext4(&(0x7f0000000140)='ext4\x00', &(0x7f0000000000)='./file1\x00', 0x18, &(0x7f0000000580)={[{@delalloc}, {@data_err_abort}, {@barrier_val={'barrier', 0x3d, 0x3}}, {}, {@bh}, {@oldalloc}, {@data_err_ignore}, {@nouid32}, {@nobh}, {@user_xattr}, {@nouid32}, {@dioread_nolock}]}, 0x1, 0x55e, &(0x7f0000001bc0)="$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")
r0 = openat(0xffffffffffffff9c, &(0x7f0000000400)='./bus\x00', 0x20240, 0x0)
r1 = openat(0xffffffffffffff9c, &(0x7f0000004400)='./bus\x00', 0x1c1182, 0x9b)
r2 = openat(0xffffffffffffff9c, &(0x7f0000000040)='./file1\x00', 0x42, 0x0)
pwrite64(r2, &(0x7f00000000c0)='a', 0x200000c1, 0x9000)
write$binfmt_aout(r1, &(0x7f0000000d00)=ANY=[@ANYBLOB], 0x720)
sendfile(r1, r0, 0x0, 0x3ffff)

program crashed: kernel BUG in ext4_split_extent_at
a never seen crash title: kernel BUG in ext4_split_extent_at, ignore
testing program (duration=36.60633634s, {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:false Wifi:false IEEE802154:false Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_mount_image$ext4-openat-openat-openat-pwrite64-write$binfmt_aout-sendfile
detailed listing:
executing program 0:
syz_mount_image$ext4(&(0x7f0000000140)='ext4\x00', &(0x7f0000000000)='./file1\x00', 0x18, &(0x7f0000000580)={[{@delalloc}, {@data_err_abort}, {@barrier_val={'barrier', 0x3d, 0x3}}, {}, {@bh}, {@oldalloc}, {@data_err_ignore}, {@nouid32}, {@nobh}, {@user_xattr}, {@nouid32}, {@dioread_nolock}]}, 0x1, 0x55e, &(0x7f0000001bc0)="$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")
r0 = openat(0xffffffffffffff9c, &(0x7f0000000400)='./bus\x00', 0x20240, 0x0)
r1 = openat(0xffffffffffffff9c, &(0x7f0000004400)='./bus\x00', 0x1c1182, 0x9b)
r2 = openat(0xffffffffffffff9c, &(0x7f0000000040)='./file1\x00', 0x42, 0x0)
pwrite64(r2, &(0x7f00000000c0)='a', 0x200000c1, 0x9000)
write$binfmt_aout(r1, &(0x7f0000000d00)=ANY=[@ANYBLOB], 0x720)
sendfile(r1, r0, 0x0, 0x3ffff)

program crashed: kernel BUG in ext4_es_cache_extent
validation run: crashed=true
testing program (duration=36.60633634s, {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:false Wifi:false IEEE802154:false Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_mount_image$ext4-openat-openat-openat-pwrite64-write$binfmt_aout-sendfile
detailed listing:
executing program 0:
syz_mount_image$ext4(&(0x7f0000000140)='ext4\x00', &(0x7f0000000000)='./file1\x00', 0x18, &(0x7f0000000580)={[{@delalloc}, {@data_err_abort}, {@barrier_val={'barrier', 0x3d, 0x3}}, {}, {@bh}, {@oldalloc}, {@data_err_ignore}, {@nouid32}, {@nobh}, {@user_xattr}, {@nouid32}, {@dioread_nolock}]}, 0x1, 0x55e, &(0x7f0000001bc0)="$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")
r0 = openat(0xffffffffffffff9c, &(0x7f0000000400)='./bus\x00', 0x20240, 0x0)
r1 = openat(0xffffffffffffff9c, &(0x7f0000004400)='./bus\x00', 0x1c1182, 0x9b)
r2 = openat(0xffffffffffffff9c, &(0x7f0000000040)='./file1\x00', 0x42, 0x0)
pwrite64(r2, &(0x7f00000000c0)='a', 0x200000c1, 0x9000)
write$binfmt_aout(r1, &(0x7f0000000d00)=ANY=[@ANYBLOB], 0x720)
sendfile(r1, r0, 0x0, 0x3ffff)

program crashed: kernel BUG in ext4_ext_insert_extent
validation run: crashed=true
testing program (duration=36.60633634s, {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:false Wifi:false IEEE802154:false Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_mount_image$ext4-openat-openat-openat-pwrite64-write$binfmt_aout-sendfile
detailed listing:
executing program 0:
syz_mount_image$ext4(&(0x7f0000000140)='ext4\x00', &(0x7f0000000000)='./file1\x00', 0x18, &(0x7f0000000580)={[{@delalloc}, {@data_err_abort}, {@barrier_val={'barrier', 0x3d, 0x3}}, {}, {@bh}, {@oldalloc}, {@data_err_ignore}, {@nouid32}, {@nobh}, {@user_xattr}, {@nouid32}, {@dioread_nolock}]}, 0x1, 0x55e, &(0x7f0000001bc0)="$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")
r0 = openat(0xffffffffffffff9c, &(0x7f0000000400)='./bus\x00', 0x20240, 0x0)
r1 = openat(0xffffffffffffff9c, &(0x7f0000004400)='./bus\x00', 0x1c1182, 0x9b)
r2 = openat(0xffffffffffffff9c, &(0x7f0000000040)='./file1\x00', 0x42, 0x0)
pwrite64(r2, &(0x7f00000000c0)='a', 0x200000c1, 0x9000)
write$binfmt_aout(r1, &(0x7f0000000d00)=ANY=[@ANYBLOB], 0x720)
sendfile(r1, r0, 0x0, 0x3ffff)

program crashed: kernel BUG in ext4_ext_insert_extent
validation run: crashed=true
reproducing took 20m2.526025887s
repro crashed as (corrupted=false):
------------[ cut here ]------------
kernel BUG at fs/ext4/extents.c:2135!
invalid opcode: 0000 [#1] PREEMPT SMP KASAN
CPU: 1 PID: 819 Comm: syz.2.80 Not tainted syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2026
RIP: 0010:ext4_ext_insert_extent+0x4592/0x45d0 fs/ext4/extents.c:2135
Code: ff ff 89 d9 80 e1 07 fe c1 38 c1 0f 8c 08 e9 ff ff 48 89 df e8 6f 51 d4 ff e9 fb e8 ff ff e8 95 d0 99 ff 0f 0b e8 8e d0 99 ff <0f> 0b e8 87 d0 99 ff 0f 0b 89 d9 80 e1 07 80 c1 03 38 c1 0f 8c 30
RSP: 0018:ffffc90000cf6340 EFLAGS: 00010293
RAX: ffffffff81cae5c2 RBX: ffff88812a74f400 RCX: ffff888112cae2c0
RDX: 0000000000000000 RSI: 000000000000002a RDI: 000000000000002a
RBP: ffffc90000cf64f0 R08: ffff88812151534f R09: 1ffff110242a2a69
R10: dffffc0000000000 R11: ffffed10242a2a6a R12: 000000000000002a
R13: 1ffff110259b0aa8 R14: ffff88812a74f454 R15: 000000000000002a
FS:  00007faa4ab576c0(0000) GS:ffff8881f7100000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f7e612e5ff8 CR3: 000000010ad9d000 CR4: 00000000003506a0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 ext4_split_extent_at+0x79b/0xe90 fs/ext4/extents.c:3230
 ext4_split_extent+0x1ba/0x4c0 fs/ext4/extents.c:3349
 ext4_split_convert_extents fs/ext4/extents.c:3709 [inline]
 ext4_ext_handle_unwritten_extents fs/ext4/extents.c:3870 [inline]
 ext4_ext_map_blocks+0x1084/0x5dd0 fs/ext4/extents.c:4225
 ext4_map_blocks+0x985/0x1bd0 fs/ext4/inode.c:674
 _ext4_get_block+0x1d1/0x4e0 fs/ext4/inode.c:817
 ext4_get_block_unwritten+0x2a/0x40 fs/ext4/inode.c:848
 ext4_block_write_begin+0x573/0x1340 fs/ext4/inode.c:1101
 ext4_write_begin+0x67e/0x1690 fs/ext4/ext4_jbd2.h:-1
 ext4_da_write_begin+0x478/0xf10 fs/ext4/inode.c:3033
 generic_perform_write+0x2ce/0x540 mm/filemap.c:3509
 ext4_buffered_write_iter+0x4b8/0x640 fs/ext4/file.c:271
 ext4_file_write_iter+0x53f/0x1980 fs/ext4/file.c:-1
 do_iter_readv_writev+0x478/0x5f0 fs/read_write.c:-1
 do_iter_write+0x189/0x630 fs/read_write.c:866
 vfs_iter_write+0x7d/0xa0 fs/read_write.c:907
 iter_file_splice_write+0x68c/0xcb0 fs/splice.c:689
 do_splice_from fs/splice.c:767 [inline]
 direct_splice_actor+0xe9/0x120 fs/splice.c:936
 splice_direct_to_actor+0x4cb/0xb30 fs/splice.c:891
 do_splice_direct+0x1c2/0x2d0 fs/splice.c:979
 do_sendfile+0x8df/0x1040 fs/read_write.c:1257
 __do_sys_sendfile64 fs/read_write.c:1318 [inline]
 __se_sys_sendfile64 fs/read_write.c:1304 [inline]
 __x64_sys_sendfile64+0x199/0x1f0 fs/read_write.c:1304
 do_syscall_64+0x31/0x40 arch/x86/entry/common.c:46
 entry_SYSCALL_64_after_hwframe+0x61/0xcb
RIP: 0033:0x7faa4ad15799
Code: ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 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 e8 ff ff ff f7 d8 64 89 01 48
RSP: 002b:00007faa4ab57028 EFLAGS: 00000246 ORIG_RAX: 0000000000000028
RAX: ffffffffffffffda RBX: 00007faa4af8f090 RCX: 00007faa4ad15799
RDX: 0000000000000000 RSI: 0000000000000004 RDI: 0000000000000005
RBP: 00007faa4adabbd9 R08: 0000000000000000 R09: 0000000000000000
R10: 000000000003ffff R11: 0000000000000246 R12: 0000000000000000
R13: 00007faa4af8f128 R14: 00007faa4af8f090 R15: 00007ffee0c70458
Modules linked in:
---[ end trace 69f138d3452c15f8 ]---
RIP: 0010:ext4_ext_insert_extent+0x4592/0x45d0 fs/ext4/extents.c:2135
Code: ff ff 89 d9 80 e1 07 fe c1 38 c1 0f 8c 08 e9 ff ff 48 89 df e8 6f 51 d4 ff e9 fb e8 ff ff e8 95 d0 99 ff 0f 0b e8 8e d0 99 ff <0f> 0b e8 87 d0 99 ff 0f 0b 89 d9 80 e1 07 80 c1 03 38 c1 0f 8c 30
RSP: 0018:ffffc90000cf6340 EFLAGS: 00010293
RAX: ffffffff81cae5c2 RBX: ffff88812a74f400 RCX: ffff888112cae2c0
RDX: 0000000000000000 RSI: 000000000000002a RDI: 000000000000002a
RBP: ffffc90000cf64f0 R08: ffff88812151534f R09: 1ffff110242a2a69
R10: dffffc0000000000 R11: ffffed10242a2a6a R12: 000000000000002a
R13: 1ffff110259b0aa8 R14: ffff88812a74f454 R15: 000000000000002a
FS:  00007faa4ab576c0(0000) GS:ffff8881f7000000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007ffcf1669cb0 CR3: 000000010ad9d000 CR4: 00000000003506b0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400

final repro crashed as (corrupted=false):
------------[ cut here ]------------
kernel BUG at fs/ext4/extents.c:2135!
invalid opcode: 0000 [#1] PREEMPT SMP KASAN
CPU: 1 PID: 819 Comm: syz.2.80 Not tainted syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2026
RIP: 0010:ext4_ext_insert_extent+0x4592/0x45d0 fs/ext4/extents.c:2135
Code: ff ff 89 d9 80 e1 07 fe c1 38 c1 0f 8c 08 e9 ff ff 48 89 df e8 6f 51 d4 ff e9 fb e8 ff ff e8 95 d0 99 ff 0f 0b e8 8e d0 99 ff <0f> 0b e8 87 d0 99 ff 0f 0b 89 d9 80 e1 07 80 c1 03 38 c1 0f 8c 30
RSP: 0018:ffffc90000cf6340 EFLAGS: 00010293
RAX: ffffffff81cae5c2 RBX: ffff88812a74f400 RCX: ffff888112cae2c0
RDX: 0000000000000000 RSI: 000000000000002a RDI: 000000000000002a
RBP: ffffc90000cf64f0 R08: ffff88812151534f R09: 1ffff110242a2a69
R10: dffffc0000000000 R11: ffffed10242a2a6a R12: 000000000000002a
R13: 1ffff110259b0aa8 R14: ffff88812a74f454 R15: 000000000000002a
FS:  00007faa4ab576c0(0000) GS:ffff8881f7100000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f7e612e5ff8 CR3: 000000010ad9d000 CR4: 00000000003506a0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 ext4_split_extent_at+0x79b/0xe90 fs/ext4/extents.c:3230
 ext4_split_extent+0x1ba/0x4c0 fs/ext4/extents.c:3349
 ext4_split_convert_extents fs/ext4/extents.c:3709 [inline]
 ext4_ext_handle_unwritten_extents fs/ext4/extents.c:3870 [inline]
 ext4_ext_map_blocks+0x1084/0x5dd0 fs/ext4/extents.c:4225
 ext4_map_blocks+0x985/0x1bd0 fs/ext4/inode.c:674
 _ext4_get_block+0x1d1/0x4e0 fs/ext4/inode.c:817
 ext4_get_block_unwritten+0x2a/0x40 fs/ext4/inode.c:848
 ext4_block_write_begin+0x573/0x1340 fs/ext4/inode.c:1101
 ext4_write_begin+0x67e/0x1690 fs/ext4/ext4_jbd2.h:-1
 ext4_da_write_begin+0x478/0xf10 fs/ext4/inode.c:3033
 generic_perform_write+0x2ce/0x540 mm/filemap.c:3509
 ext4_buffered_write_iter+0x4b8/0x640 fs/ext4/file.c:271
 ext4_file_write_iter+0x53f/0x1980 fs/ext4/file.c:-1
 do_iter_readv_writev+0x478/0x5f0 fs/read_write.c:-1
 do_iter_write+0x189/0x630 fs/read_write.c:866
 vfs_iter_write+0x7d/0xa0 fs/read_write.c:907
 iter_file_splice_write+0x68c/0xcb0 fs/splice.c:689
 do_splice_from fs/splice.c:767 [inline]
 direct_splice_actor+0xe9/0x120 fs/splice.c:936
 splice_direct_to_actor+0x4cb/0xb30 fs/splice.c:891
 do_splice_direct+0x1c2/0x2d0 fs/splice.c:979
 do_sendfile+0x8df/0x1040 fs/read_write.c:1257
 __do_sys_sendfile64 fs/read_write.c:1318 [inline]
 __se_sys_sendfile64 fs/read_write.c:1304 [inline]
 __x64_sys_sendfile64+0x199/0x1f0 fs/read_write.c:1304
 do_syscall_64+0x31/0x40 arch/x86/entry/common.c:46
 entry_SYSCALL_64_after_hwframe+0x61/0xcb
RIP: 0033:0x7faa4ad15799
Code: ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 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 e8 ff ff ff f7 d8 64 89 01 48
RSP: 002b:00007faa4ab57028 EFLAGS: 00000246 ORIG_RAX: 0000000000000028
RAX: ffffffffffffffda RBX: 00007faa4af8f090 RCX: 00007faa4ad15799
RDX: 0000000000000000 RSI: 0000000000000004 RDI: 0000000000000005
RBP: 00007faa4adabbd9 R08: 0000000000000000 R09: 0000000000000000
R10: 000000000003ffff R11: 0000000000000246 R12: 0000000000000000
R13: 00007faa4af8f128 R14: 00007faa4af8f090 R15: 00007ffee0c70458
Modules linked in:
---[ end trace 69f138d3452c15f8 ]---
RIP: 0010:ext4_ext_insert_extent+0x4592/0x45d0 fs/ext4/extents.c:2135
Code: ff ff 89 d9 80 e1 07 fe c1 38 c1 0f 8c 08 e9 ff ff 48 89 df e8 6f 51 d4 ff e9 fb e8 ff ff e8 95 d0 99 ff 0f 0b e8 8e d0 99 ff <0f> 0b e8 87 d0 99 ff 0f 0b 89 d9 80 e1 07 80 c1 03 38 c1 0f 8c 30
RSP: 0018:ffffc90000cf6340 EFLAGS: 00010293
RAX: ffffffff81cae5c2 RBX: ffff88812a74f400 RCX: ffff888112cae2c0
RDX: 0000000000000000 RSI: 000000000000002a RDI: 000000000000002a
RBP: ffffc90000cf64f0 R08: ffff88812151534f R09: 1ffff110242a2a69
R10: dffffc0000000000 R11: ffffed10242a2a6a R12: 000000000000002a
R13: 1ffff110259b0aa8 R14: ffff88812a74f454 R15: 000000000000002a
FS:  00007faa4ab576c0(0000) GS:ffff8881f7000000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007ffcf1669cb0 CR3: 000000010ad9d000 CR4: 00000000003506b0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400