Extracting prog: 1m19.460344662s
Minimizing prog: 2m43.534934981s
Simplifying prog options: 0s
Extracting C: 40.843492367s
Simplifying C: 6m18.334814462s


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$ext4-openat
detailed listing:
executing program 0:
syz_mount_image$ext4(&(0x7f0000000040)='ext4\x00', &(0x7f0000000000)='./bus\x00', 0x4006, &(0x7f0000000140)={[{@i_version}, {@nombcache}, {@debug_want_extra_isize={'debug_want_extra_isize', 0x3d, 0x68}}, {@lazytime}, {@block_validity}, {}, {@init_itable_val={'init_itable', 0x3d, 0x10}}, {@debug_want_extra_isize={'debug_want_extra_isize', 0x3d, 0xc}}]}, 0x1, 0x452, &(0x7f0000000240)="$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")
openat(0xffffffffffffff9c, &(0x7f0000000100)='./file1\x00', 0x0, 0x0)

program crashed: kernel BUG in ext4_es_cache_extent
single: successfully extracted reproducer
found reproducer with 2 syscalls
minimizing guilty program
testing program (duration=36.644838493s, {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$ext4
detailed listing:
executing program 0:
syz_mount_image$ext4(&(0x7f0000000040)='ext4\x00', &(0x7f0000000000)='./bus\x00', 0x4006, &(0x7f0000000140)={[{@i_version}, {@nombcache}, {@debug_want_extra_isize={'debug_want_extra_isize', 0x3d, 0x68}}, {@lazytime}, {@block_validity}, {}, {@init_itable_val={'init_itable', 0x3d, 0x10}}, {@debug_want_extra_isize={'debug_want_extra_isize', 0x3d, 0xc}}]}, 0x1, 0x452, &(0x7f0000000240)="$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")

program did not crash
testing program (duration=36.644838493s, {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
detailed listing:
executing program 0:
openat(0xffffffffffffff9c, &(0x7f0000000100)='./file1\x00', 0x0, 0x0)

program did not crash
testing program (duration=36.644838493s, {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$ext4-openat
detailed listing:
executing program 0:
syz_mount_image$ext4(&(0x7f0000000040)='ext4\x00', &(0x7f0000000000)='./bus\x00', 0x4006, &(0x7f0000000140)={[{@i_version}, {@nombcache}, {@debug_want_extra_isize={'debug_want_extra_isize', 0x3d, 0x68}}, {@lazytime}, {@block_validity}, {}, {@init_itable_val={'init_itable', 0x3d, 0x10}}, {@debug_want_extra_isize={'debug_want_extra_isize', 0x3d, 0xc}}]}, 0x1, 0x452, &(0x7f0000000240)="$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")
openat(0xffffffffffffff9c, 0x0, 0x0, 0x0)

program did not crash
extracting C reproducer
testing compiled C program (duration=36.644838493s, {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$ext4-openat
program crashed: kernel BUG in ext4_es_cache_extent
simplifying C reproducer
testing compiled C program (duration=36.644838493s, {Threaded:false Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:false Wifi:false IEEE802154:false Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_mount_image$ext4-openat
program crashed: kernel BUG in ext4_es_cache_extent
testing compiled C program (duration=36.644838493s, {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: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$ext4-openat
program did not crash
testing compiled C program (duration=36.644838493s, {Threaded:false Repeat:true RepeatTimes:0 Procs:1 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:false Wifi:false IEEE802154:false Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_mount_image$ext4-openat
program crashed: kernel BUG in ext4_es_cache_extent
testing compiled C program (duration=36.644838493s, {Threaded:false Repeat:true RepeatTimes:0 Procs:1 Slowdown:1 Sandbox: SandboxArg:0 Leak:false NetInjection:false NetDevices:false NetReset:false Cgroups:false BinfmtMisc:false CloseFDs:false KCSAN:false DevlinkPCI:false NicVF:false USB:false VhciInjection:false Wifi:false IEEE802154:false Sysctl:true Swap:false UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_mount_image$ext4-openat
program crashed: kernel BUG in ext4_es_cache_extent
testing compiled C program (duration=36.644838493s, {Threaded:false Repeat:true RepeatTimes:0 Procs:1 Slowdown:1 Sandbox: SandboxArg:0 Leak:false NetInjection:false NetDevices:false NetReset:false Cgroups:false BinfmtMisc:false CloseFDs:false KCSAN:false DevlinkPCI:false NicVF:false USB:false VhciInjection:false Wifi:false IEEE802154:false Sysctl:true Swap:false UseTmpDir:false HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_mount_image$ext4-openat
program crashed: kernel BUG in ext4_es_cache_extent
testing compiled C program (duration=36.644838493s, {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:false Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_mount_image$ext4-openat
program crashed: kernel BUG in ext4_es_cache_extent
testing compiled C program (duration=36.644838493s, {Threaded:false Repeat:true RepeatTimes:0 Procs:1 Slowdown:1 Sandbox: SandboxArg:0 Leak:false NetInjection:false NetDevices:false NetReset:false Cgroups:false BinfmtMisc:false CloseFDs:false KCSAN:false DevlinkPCI:false NicVF:false USB:false VhciInjection:false Wifi:false IEEE802154:false Sysctl:false Swap:false UseTmpDir:false HandleSegv:false Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_mount_image$ext4-openat
program crashed: kernel BUG in ext4_es_cache_extent
testing program (duration=36.644838493s, {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:false HandleSegv:false Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_mount_image$ext4-openat
detailed listing:
executing program 0:
syz_mount_image$ext4(&(0x7f0000000040)='ext4\x00', &(0x7f0000000000)='./bus\x00', 0x4006, &(0x7f0000000140)={[{@i_version}, {@nombcache}, {@debug_want_extra_isize={'debug_want_extra_isize', 0x3d, 0x68}}, {@lazytime}, {@block_validity}, {}, {@init_itable_val={'init_itable', 0x3d, 0x10}}, {@debug_want_extra_isize={'debug_want_extra_isize', 0x3d, 0xc}}]}, 0x1, 0x452, &(0x7f0000000240)="$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")
openat(0xffffffffffffff9c, &(0x7f0000000100)='./file1\x00', 0x0, 0x0)

program crashed: kernel BUG in ext4_es_cache_extent
validation run: crashed=true
testing program (duration=36.644838493s, {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:false HandleSegv:false Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_mount_image$ext4-openat
detailed listing:
executing program 0:
syz_mount_image$ext4(&(0x7f0000000040)='ext4\x00', &(0x7f0000000000)='./bus\x00', 0x4006, &(0x7f0000000140)={[{@i_version}, {@nombcache}, {@debug_want_extra_isize={'debug_want_extra_isize', 0x3d, 0x68}}, {@lazytime}, {@block_validity}, {}, {@init_itable_val={'init_itable', 0x3d, 0x10}}, {@debug_want_extra_isize={'debug_want_extra_isize', 0x3d, 0xc}}]}, 0x1, 0x452, &(0x7f0000000240)="$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")
openat(0xffffffffffffff9c, &(0x7f0000000100)='./file1\x00', 0x0, 0x0)

program crashed: kernel BUG in ext4_es_cache_extent
validation run: crashed=true
testing program (duration=36.644838493s, {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:false HandleSegv:false Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_mount_image$ext4-openat
detailed listing:
executing program 0:
syz_mount_image$ext4(&(0x7f0000000040)='ext4\x00', &(0x7f0000000000)='./bus\x00', 0x4006, &(0x7f0000000140)={[{@i_version}, {@nombcache}, {@debug_want_extra_isize={'debug_want_extra_isize', 0x3d, 0x68}}, {@lazytime}, {@block_validity}, {}, {@init_itable_val={'init_itable', 0x3d, 0x10}}, {@debug_want_extra_isize={'debug_want_extra_isize', 0x3d, 0xc}}]}, 0x1, 0x452, &(0x7f0000000240)="$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")
openat(0xffffffffffffff9c, &(0x7f0000000100)='./file1\x00', 0x0, 0x0)

program crashed: kernel BUG in ext4_es_cache_extent
validation run: crashed=true
reproducing took 13m54.810175718s
repro crashed as (corrupted=false):
EXT4-fs: Warning: mounting with data=journal disables delayed allocation, dioread_nolock, O_DIRECT and fast_commit support!
EXT4-fs (loop2): encrypted files will use data=ordered instead of data journaling mode
EXT4-fs (loop2): 1 truncate cleaned up
EXT4-fs (loop2): mounted filesystem without journal. Opts: i_version,nombcache,debug_want_extra_isize=0x0000000000000068,lazytime,block_validity,bsddf,init_itable=0x0000000000000010,debug_want_extra_isize=0x000000000000000c,,errors=continue
------------[ cut here ]------------
kernel BUG at fs/ext4/extents_status.c:205!
invalid opcode: 0000 [#1] PREEMPT SMP KASAN
CPU: 1 PID: 378 Comm: syz.2.17 Not tainted syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/18/2025
RIP: 0010:ext4_es_end fs/ext4/extents_status.c:205 [inline]
RIP: 0010:__es_tree_search fs/ext4/extents_status.c:223 [inline]
RIP: 0010:ext4_es_cache_extent+0x4d6/0x5d0 fs/ext4/extents_status.c:972
Code: d2 ff e9 15 ff ff ff 44 89 f1 80 e1 07 80 c1 03 38 c1 0f 8c 8f fe ff ff 4c 89 f7 e8 84 ed d2 ff e9 82 fe ff ff e8 da fd 98 ff <0f> 0b 49 89 de 65 8b 05 7e 69 37 7e 89 c3 c1 e8 06 48 8d 3c c5 68
RSP: 0018:ffffc90000ec74c0 EFLAGS: 00010293
RAX: ffffffff81caa7c6 RBX: 0000000000000000 RCX: ffff88810f95e2c0
RDX: 0000000000000000 RSI: 000000000f95eb42 RDI: 0000000000000000
RBP: ffffc90000ec75e0 R08: 0000000000000004 R09: 0000000000000003
R10: fffff520001d8e88 R11: 1ffff920001d8e88 R12: 000000000f95eb42
R13: 1ffff11024b82a11 R14: ffff888125c1508c R15: dffffc0000000000
FS:  000055556be89500(0000) GS:ffff8881f7100000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000001b32a63fff CR3: 000000010f597000 CR4: 00000000003506a0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 ext4_cache_extents fs/ext4/extents.c:521 [inline]
 ext4_find_extent+0x59d/0xe20 fs/ext4/extents.c:917
 ext4_get_verity_descriptor_location fs/ext4/verity.c:296 [inline]
 ext4_get_verity_descriptor+0x107/0x500 fs/ext4/verity.c:352
 fsverity_get_descriptor+0x8e/0x460 fs/verity/open.c:273
 ensure_verity_info fs/verity/open.c:315 [inline]
 fsverity_file_open+0x11f/0x230 fs/verity/open.c:356
 ext4_file_open+0x220/0x600 fs/ext4/file.c:861
 do_dentry_open+0x793/0x1090 fs/open.c:819
 vfs_open+0x73/0x80 fs/open.c:942
 do_open fs/namei.c:3391 [inline]
 path_openat+0x27ad/0x3160 fs/namei.c:3509
 do_filp_open+0x1b3/0x3e0 fs/namei.c:3536
 do_sys_openat2+0x14c/0x6d0 fs/open.c:1217
 do_sys_open fs/open.c:1233 [inline]
 __do_sys_openat fs/open.c:1249 [inline]
 __se_sys_openat fs/open.c:1244 [inline]
 __x64_sys_openat+0x136/0x160 fs/open.c:1244
 do_syscall_64+0x31/0x40 arch/x86/entry/common.c:46
 entry_SYSCALL_64_after_hwframe+0x61/0xcb
RIP: 0033:0x7f3a30a7dec9
Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 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 a8 ff ff ff f7 d8 64 89 01 48
RSP: 002b:00007ffeef521268 EFLAGS: 00000246 ORIG_RAX: 0000000000000101
RAX: ffffffffffffffda RBX: 00007f3a30cd4fa0 RCX: 00007f3a30a7dec9
RDX: 0000000000000000 RSI: 0000200000000100 RDI: ffffffffffffff9c
RBP: 00007f3a30b00f91 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007f3a30cd4fa0 R14: 00007f3a30cd4fa0 R15: 0000000000000004
Modules linked in:
---[ end trace df04da23139645c1 ]---
RIP: 0010:ext4_es_end fs/ext4/extents_status.c:205 [inline]
RIP: 0010:__es_tree_search fs/ext4/extents_status.c:223 [inline]
RIP: 0010:ext4_es_cache_extent+0x4d6/0x5d0 fs/ext4/extents_status.c:972
Code: d2 ff e9 15 ff ff ff 44 89 f1 80 e1 07 80 c1 03 38 c1 0f 8c 8f fe ff ff 4c 89 f7 e8 84 ed d2 ff e9 82 fe ff ff e8 da fd 98 ff <0f> 0b 49 89 de 65 8b 05 7e 69 37 7e 89 c3 c1 e8 06 48 8d 3c c5 68
RSP: 0018:ffffc90000ec74c0 EFLAGS: 00010293
RAX: ffffffff81caa7c6 RBX: 0000000000000000 RCX: ffff88810f95e2c0
RDX: 0000000000000000 RSI: 000000000f95eb42 RDI: 0000000000000000
RBP: ffffc90000ec75e0 R08: 0000000000000004 R09: 0000000000000003
R10: fffff520001d8e88 R11: 1ffff920001d8e88 R12: 000000000f95eb42
R13: 1ffff11024b82a11 R14: ffff888125c1508c R15: dffffc0000000000
FS:  000055556be89500(0000) GS:ffff8881f7100000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000001b32a63fff CR3: 000000010f597000 CR4: 00000000003506a0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400

final repro crashed as (corrupted=false):
EXT4-fs: Warning: mounting with data=journal disables delayed allocation, dioread_nolock, O_DIRECT and fast_commit support!
EXT4-fs (loop2): encrypted files will use data=ordered instead of data journaling mode
EXT4-fs (loop2): 1 truncate cleaned up
EXT4-fs (loop2): mounted filesystem without journal. Opts: i_version,nombcache,debug_want_extra_isize=0x0000000000000068,lazytime,block_validity,bsddf,init_itable=0x0000000000000010,debug_want_extra_isize=0x000000000000000c,,errors=continue
------------[ cut here ]------------
kernel BUG at fs/ext4/extents_status.c:205!
invalid opcode: 0000 [#1] PREEMPT SMP KASAN
CPU: 1 PID: 378 Comm: syz.2.17 Not tainted syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/18/2025
RIP: 0010:ext4_es_end fs/ext4/extents_status.c:205 [inline]
RIP: 0010:__es_tree_search fs/ext4/extents_status.c:223 [inline]
RIP: 0010:ext4_es_cache_extent+0x4d6/0x5d0 fs/ext4/extents_status.c:972
Code: d2 ff e9 15 ff ff ff 44 89 f1 80 e1 07 80 c1 03 38 c1 0f 8c 8f fe ff ff 4c 89 f7 e8 84 ed d2 ff e9 82 fe ff ff e8 da fd 98 ff <0f> 0b 49 89 de 65 8b 05 7e 69 37 7e 89 c3 c1 e8 06 48 8d 3c c5 68
RSP: 0018:ffffc90000ec74c0 EFLAGS: 00010293
RAX: ffffffff81caa7c6 RBX: 0000000000000000 RCX: ffff88810f95e2c0
RDX: 0000000000000000 RSI: 000000000f95eb42 RDI: 0000000000000000
RBP: ffffc90000ec75e0 R08: 0000000000000004 R09: 0000000000000003
R10: fffff520001d8e88 R11: 1ffff920001d8e88 R12: 000000000f95eb42
R13: 1ffff11024b82a11 R14: ffff888125c1508c R15: dffffc0000000000
FS:  000055556be89500(0000) GS:ffff8881f7100000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000001b32a63fff CR3: 000000010f597000 CR4: 00000000003506a0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 ext4_cache_extents fs/ext4/extents.c:521 [inline]
 ext4_find_extent+0x59d/0xe20 fs/ext4/extents.c:917
 ext4_get_verity_descriptor_location fs/ext4/verity.c:296 [inline]
 ext4_get_verity_descriptor+0x107/0x500 fs/ext4/verity.c:352
 fsverity_get_descriptor+0x8e/0x460 fs/verity/open.c:273
 ensure_verity_info fs/verity/open.c:315 [inline]
 fsverity_file_open+0x11f/0x230 fs/verity/open.c:356
 ext4_file_open+0x220/0x600 fs/ext4/file.c:861
 do_dentry_open+0x793/0x1090 fs/open.c:819
 vfs_open+0x73/0x80 fs/open.c:942
 do_open fs/namei.c:3391 [inline]
 path_openat+0x27ad/0x3160 fs/namei.c:3509
 do_filp_open+0x1b3/0x3e0 fs/namei.c:3536
 do_sys_openat2+0x14c/0x6d0 fs/open.c:1217
 do_sys_open fs/open.c:1233 [inline]
 __do_sys_openat fs/open.c:1249 [inline]
 __se_sys_openat fs/open.c:1244 [inline]
 __x64_sys_openat+0x136/0x160 fs/open.c:1244
 do_syscall_64+0x31/0x40 arch/x86/entry/common.c:46
 entry_SYSCALL_64_after_hwframe+0x61/0xcb
RIP: 0033:0x7f3a30a7dec9
Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 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 a8 ff ff ff f7 d8 64 89 01 48
RSP: 002b:00007ffeef521268 EFLAGS: 00000246 ORIG_RAX: 0000000000000101
RAX: ffffffffffffffda RBX: 00007f3a30cd4fa0 RCX: 00007f3a30a7dec9
RDX: 0000000000000000 RSI: 0000200000000100 RDI: ffffffffffffff9c
RBP: 00007f3a30b00f91 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007f3a30cd4fa0 R14: 00007f3a30cd4fa0 R15: 0000000000000004
Modules linked in:
---[ end trace df04da23139645c1 ]---
RIP: 0010:ext4_es_end fs/ext4/extents_status.c:205 [inline]
RIP: 0010:__es_tree_search fs/ext4/extents_status.c:223 [inline]
RIP: 0010:ext4_es_cache_extent+0x4d6/0x5d0 fs/ext4/extents_status.c:972
Code: d2 ff e9 15 ff ff ff 44 89 f1 80 e1 07 80 c1 03 38 c1 0f 8c 8f fe ff ff 4c 89 f7 e8 84 ed d2 ff e9 82 fe ff ff e8 da fd 98 ff <0f> 0b 49 89 de 65 8b 05 7e 69 37 7e 89 c3 c1 e8 06 48 8d 3c c5 68
RSP: 0018:ffffc90000ec74c0 EFLAGS: 00010293
RAX: ffffffff81caa7c6 RBX: 0000000000000000 RCX: ffff88810f95e2c0
RDX: 0000000000000000 RSI: 000000000f95eb42 RDI: 0000000000000000
RBP: ffffc90000ec75e0 R08: 0000000000000004 R09: 0000000000000003
R10: fffff520001d8e88 R11: 1ffff920001d8e88 R12: 000000000f95eb42
R13: 1ffff11024b82a11 R14: ffff888125c1508c R15: dffffc0000000000
FS:  000055556be89500(0000) GS:ffff8881f7100000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000001b32a63fff CR3: 000000010f597000 CR4: 00000000003506a0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400