Extracting prog: 1m29.762262781s
Minimizing prog: 4m46.937432603s
Simplifying prog options: 0s
Extracting C: 30.873371881s
Simplifying C: 5m19.532660651s


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$ext4-lsetxattr$security_evm
detailed listing:
executing program 0:
syz_mount_image$ext4(&(0x7f0000000040)='ext4\x00', &(0x7f0000000140)='./file1\x00', 0x200000, &(0x7f0000000180)={[{@grpjquota}]}, 0x3, 0x579, &(0x7f0000000540)="$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")
lsetxattr$security_evm(&(0x7f0000000000)='./file0/file0\x00', &(0x7f0000000080), &(0x7f0000000100), 0x1, 0x0) (rerun: 64)

program crashed: KASAN: use-after-free Read in bcmp
program crashed: KASAN: use-after-free Read in bcmp
single: successfully extracted reproducer
found reproducer with 2 syscalls
minimizing guilty program
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$ext4
detailed listing:
executing program 0:
syz_mount_image$ext4(&(0x7f0000000040)='ext4\x00', &(0x7f0000000140)='./file1\x00', 0x200000, &(0x7f0000000180)={[{@grpjquota}]}, 0x3, 0x579, &(0x7f0000000540)="$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")

program did not crash
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}}): lsetxattr$security_evm
detailed listing:
executing program 0:
lsetxattr$security_evm(&(0x7f0000000000)='./file0/file0\x00', &(0x7f0000000080), &(0x7f0000000100), 0x1, 0x0) (rerun: 64)

program did not crash
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$ext4-lsetxattr$security_evm
detailed listing:
executing program 0:
syz_mount_image$ext4(&(0x7f0000000040)='ext4\x00', &(0x7f0000000140)='./file1\x00', 0x200000, &(0x7f0000000180)={[{@grpjquota}]}, 0x3, 0x579, &(0x7f0000000540)="$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")
lsetxattr$security_evm(&(0x7f0000000000)='./file0/file0\x00', &(0x7f0000000080), &(0x7f0000000100), 0x1, 0x0)

program did not crash
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$ext4-lsetxattr$security_evm
detailed listing:
executing program 0:
syz_mount_image$ext4(&(0x7f0000000040)='ext4\x00', &(0x7f0000000140)='./file1\x00', 0x200000, &(0x7f0000000180)={[{@grpjquota}]}, 0x3, 0x579, &(0x7f0000000540)="$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")
lsetxattr$security_evm(0x0, &(0x7f0000000080), &(0x7f0000000100), 0x1, 0x0) (rerun: 64)

program did not crash
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$ext4-lsetxattr$security_evm
detailed listing:
executing program 0:
syz_mount_image$ext4(&(0x7f0000000040)='ext4\x00', &(0x7f0000000140)='./file1\x00', 0x200000, &(0x7f0000000180)={[{@grpjquota}]}, 0x3, 0x579, &(0x7f0000000540)="$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")
lsetxattr$security_evm(&(0x7f0000000000)='./file0/file0\x00', 0x0, &(0x7f0000000100), 0x1, 0x0) (rerun: 64)

program did not crash
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$ext4-lsetxattr$security_evm
detailed listing:
executing program 0:
syz_mount_image$ext4(&(0x7f0000000040)='ext4\x00', &(0x7f0000000140)='./file1\x00', 0x200000, &(0x7f0000000180)={[{@grpjquota}]}, 0x3, 0x579, &(0x7f0000000540)="$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")
lsetxattr$security_evm(&(0x7f0000000000)='./file0/file0\x00', &(0x7f0000000080), 0x0, 0x0, 0x0) (rerun: 64)

program did not crash
extracting C reproducer
testing compiled C 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$ext4-lsetxattr$security_evm
program crashed: KASAN: use-after-free Read in bcmp
simplifying C reproducer
testing compiled C program (duration=30s, {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$ext4-lsetxattr$security_evm
program crashed: KASAN: out-of-bounds Read in bcmp
a never seen crash title: KASAN: out-of-bounds Read in bcmp, ignore
testing compiled C program (duration=30s, {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$ext4-lsetxattr$security_evm
program did not crash
testing compiled C program (duration=30s, {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$ext4-lsetxattr$security_evm
program crashed: KASAN: use-after-free Read in bcmp
testing compiled C program (duration=30s, {Threaded:true Repeat:true RepeatTimes:0 Procs:1 Slowdown:1 Sandbox: SandboxArg:0 Leak:false NetInjection:false NetDevices:false NetReset:false Cgroups:false BinfmtMisc:false CloseFDs:false KCSAN:false DevlinkPCI:false NicVF:false USB:false VhciInjection:false Wifi:false IEEE802154:false Sysctl:true Swap:false UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_mount_image$ext4-lsetxattr$security_evm
program crashed: KASAN: use-after-free Read in bcmp
testing compiled C program (duration=30s, {Threaded:true Repeat:true RepeatTimes:0 Procs:1 Slowdown:1 Sandbox: SandboxArg:0 Leak:false NetInjection:false NetDevices:false NetReset:false Cgroups:false BinfmtMisc:false CloseFDs:false KCSAN:false DevlinkPCI:false NicVF:false USB:false VhciInjection:false Wifi:false IEEE802154:false Sysctl:true Swap:false UseTmpDir:false HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_mount_image$ext4-lsetxattr$security_evm
program crashed: KASAN: use-after-free Read in bcmp
testing compiled C program (duration=30s, {Threaded:true Repeat:true RepeatTimes:0 Procs:1 Slowdown:1 Sandbox: SandboxArg:0 Leak:false NetInjection:false NetDevices:false NetReset:false Cgroups:false BinfmtMisc:false CloseFDs:false KCSAN:false DevlinkPCI:false NicVF:false USB:false VhciInjection:false Wifi:false IEEE802154:false Sysctl:true Swap:false UseTmpDir:false HandleSegv:false Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_mount_image$ext4-lsetxattr$security_evm
program did not crash
testing compiled C program (duration=30s, {Threaded:true Repeat:true RepeatTimes:0 Procs:1 Slowdown:1 Sandbox: SandboxArg:0 Leak:false NetInjection:false NetDevices:false NetReset:false Cgroups:false BinfmtMisc:false CloseFDs:false KCSAN:false DevlinkPCI:false NicVF:false USB:false VhciInjection:false Wifi:false IEEE802154:false Sysctl:false Swap:false UseTmpDir:false HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_mount_image$ext4-lsetxattr$security_evm
program crashed: KASAN: use-after-free Read in bcmp
testing program (duration=30s, {Threaded:true Repeat:true RepeatTimes:0 Procs:1 Slowdown:1 Sandbox: SandboxArg:0 Leak:false NetInjection:false NetDevices:false NetReset:false Cgroups:false BinfmtMisc:false CloseFDs:false KCSAN:false DevlinkPCI:false NicVF:false USB:false VhciInjection:false Wifi:false IEEE802154:false Sysctl:false Swap:false UseTmpDir:false HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_mount_image$ext4-lsetxattr$security_evm
detailed listing:
executing program 0:
syz_mount_image$ext4(&(0x7f0000000040)='ext4\x00', &(0x7f0000000140)='./file1\x00', 0x200000, &(0x7f0000000180)={[{@grpjquota}]}, 0x3, 0x579, &(0x7f0000000540)="$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")
lsetxattr$security_evm(&(0x7f0000000000)='./file0/file0\x00', &(0x7f0000000080), &(0x7f0000000100), 0x1, 0x0) (rerun: 64)

program crashed: KASAN: use-after-free Read in bcmp
validation run: crashed=true
testing program (duration=30s, {Threaded:true Repeat:true RepeatTimes:0 Procs:1 Slowdown:1 Sandbox: SandboxArg:0 Leak:false NetInjection:false NetDevices:false NetReset:false Cgroups:false BinfmtMisc:false CloseFDs:false KCSAN:false DevlinkPCI:false NicVF:false USB:false VhciInjection:false Wifi:false IEEE802154:false Sysctl:false Swap:false UseTmpDir:false HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_mount_image$ext4-lsetxattr$security_evm
detailed listing:
executing program 0:
syz_mount_image$ext4(&(0x7f0000000040)='ext4\x00', &(0x7f0000000140)='./file1\x00', 0x200000, &(0x7f0000000180)={[{@grpjquota}]}, 0x3, 0x579, &(0x7f0000000540)="$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")
lsetxattr$security_evm(&(0x7f0000000000)='./file0/file0\x00', &(0x7f0000000080), &(0x7f0000000100), 0x1, 0x0) (rerun: 64)

program crashed: KASAN: use-after-free Read in bcmp
validation run: crashed=true
testing program (duration=30s, {Threaded:true Repeat:true RepeatTimes:0 Procs:1 Slowdown:1 Sandbox: SandboxArg:0 Leak:false NetInjection:false NetDevices:false NetReset:false Cgroups:false BinfmtMisc:false CloseFDs:false KCSAN:false DevlinkPCI:false NicVF:false USB:false VhciInjection:false Wifi:false IEEE802154:false Sysctl:false Swap:false UseTmpDir:false HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_mount_image$ext4-lsetxattr$security_evm
detailed listing:
executing program 0:
syz_mount_image$ext4(&(0x7f0000000040)='ext4\x00', &(0x7f0000000140)='./file1\x00', 0x200000, &(0x7f0000000180)={[{@grpjquota}]}, 0x3, 0x579, &(0x7f0000000540)="$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")
lsetxattr$security_evm(&(0x7f0000000000)='./file0/file0\x00', &(0x7f0000000080), &(0x7f0000000100), 0x1, 0x0) (rerun: 64)

program crashed: KASAN: use-after-free Read in bcmp
validation run: crashed=true
reproducing took 13m57.930481237s
repro crashed as (corrupted=false):
EXT4-fs (loop2): mounted filesystem without journal. Opts: grpjquota=,,errors=continue
==================================================================
BUG: KASAN: use-after-free in memcmp lib/string.c:942 [inline]
BUG: KASAN: use-after-free in bcmp+0x81/0xd0 lib/string.c:964
Read of size 1 at addr ffff88812a1390a0 by task syz.2.17/367

CPU: 0 PID: 367 Comm: syz.2.17 Not tainted syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/07/2026
Call Trace:
 __dump_stack+0x21/0x24 lib/dump_stack.c:77
 dump_stack_lvl+0x1a7/0x208 lib/dump_stack.c:118
 print_address_description+0x7f/0x2c0 mm/kasan/report.c:248
 __kasan_report mm/kasan/report.c:435 [inline]
 kasan_report+0x100/0x140 mm/kasan/report.c:452
 __asan_report_load1_noabort+0x14/0x20 mm/kasan/report_generic.c:306
 memcmp lib/string.c:942 [inline]
 bcmp+0x81/0xd0 lib/string.c:964
 ext4_xattr_value_same+0x147/0x1d0 fs/ext4/xattr.c:2258
 ext4_xattr_set_handle+0x7d8/0x12b0 fs/ext4/xattr.c:2380
 ext4_xattr_set+0x1f3/0x310 fs/ext4/xattr.c:2503
 ext4_xattr_security_set+0x3b/0x50 fs/ext4/xattr_security.c:30
 __vfs_setxattr+0x3e2/0x430 fs/xattr.c:177
 __vfs_setxattr_noperm+0x10e/0x4d0 fs/xattr.c:208
 __vfs_setxattr_locked+0x203/0x220 fs/xattr.c:266
 vfs_setxattr+0x8d/0x1c0 fs/xattr.c:283
 setxattr+0x1df/0x3f0 fs/xattr.c:548
 path_setxattr+0x11f/0x230 fs/xattr.c:567
 __do_sys_lsetxattr fs/xattr.c:589 [inline]
 __se_sys_lsetxattr fs/xattr.c:585 [inline]
 __x64_sys_lsetxattr+0xc2/0xe0 fs/xattr.c:585
 do_syscall_64+0x31/0x40 arch/x86/entry/common.c:46
 entry_SYSCALL_64_after_hwframe+0x61/0xcb
RIP: 0033:0x7f3e0d399559
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:00007f3e0d1f9028 EFLAGS: 00000246 ORIG_RAX: 00000000000000bd
RAX: ffffffffffffffda RBX: 00007f3e0d61ffa0 RCX: 00007f3e0d399559
RDX: 0000200000000100 RSI: 0000200000000080 RDI: 0000200000000000
RBP: 00007f3e0d430b20 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000001 R11: 0000000000000246 R12: 0000000000000000
R13: 00007f3e0d620038 R14: 00007f3e0d61ffa0 R15: 00007ffd1217cf98

The buggy address belongs to the page:
page:ffffea0004a84e40 refcount:0 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x12a139
flags: 0x4000000000000000()
raw: 4000000000000000 ffffea0004a84e48 ffffea0004a84e48 0000000000000000
raw: 0000000000000000 0000000000000000 00000000ffffffff 0000000000000000
page dumped because: kasan: bad access detected
page_owner info is not present (never set?)

Memory state around the buggy address:
 ffff88812a138f80: ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff
 ffff88812a139000: ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff
>ffff88812a139080: ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff
                               ^
 ffff88812a139100: ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff
 ffff88812a139180: ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff
==================================================================

final repro crashed as (corrupted=false):
EXT4-fs (loop2): mounted filesystem without journal. Opts: grpjquota=,,errors=continue
==================================================================
BUG: KASAN: use-after-free in memcmp lib/string.c:942 [inline]
BUG: KASAN: use-after-free in bcmp+0x81/0xd0 lib/string.c:964
Read of size 1 at addr ffff88812a1390a0 by task syz.2.17/367

CPU: 0 PID: 367 Comm: syz.2.17 Not tainted syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/07/2026
Call Trace:
 __dump_stack+0x21/0x24 lib/dump_stack.c:77
 dump_stack_lvl+0x1a7/0x208 lib/dump_stack.c:118
 print_address_description+0x7f/0x2c0 mm/kasan/report.c:248
 __kasan_report mm/kasan/report.c:435 [inline]
 kasan_report+0x100/0x140 mm/kasan/report.c:452
 __asan_report_load1_noabort+0x14/0x20 mm/kasan/report_generic.c:306
 memcmp lib/string.c:942 [inline]
 bcmp+0x81/0xd0 lib/string.c:964
 ext4_xattr_value_same+0x147/0x1d0 fs/ext4/xattr.c:2258
 ext4_xattr_set_handle+0x7d8/0x12b0 fs/ext4/xattr.c:2380
 ext4_xattr_set+0x1f3/0x310 fs/ext4/xattr.c:2503
 ext4_xattr_security_set+0x3b/0x50 fs/ext4/xattr_security.c:30
 __vfs_setxattr+0x3e2/0x430 fs/xattr.c:177
 __vfs_setxattr_noperm+0x10e/0x4d0 fs/xattr.c:208
 __vfs_setxattr_locked+0x203/0x220 fs/xattr.c:266
 vfs_setxattr+0x8d/0x1c0 fs/xattr.c:283
 setxattr+0x1df/0x3f0 fs/xattr.c:548
 path_setxattr+0x11f/0x230 fs/xattr.c:567
 __do_sys_lsetxattr fs/xattr.c:589 [inline]
 __se_sys_lsetxattr fs/xattr.c:585 [inline]
 __x64_sys_lsetxattr+0xc2/0xe0 fs/xattr.c:585
 do_syscall_64+0x31/0x40 arch/x86/entry/common.c:46
 entry_SYSCALL_64_after_hwframe+0x61/0xcb
RIP: 0033:0x7f3e0d399559
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:00007f3e0d1f9028 EFLAGS: 00000246 ORIG_RAX: 00000000000000bd
RAX: ffffffffffffffda RBX: 00007f3e0d61ffa0 RCX: 00007f3e0d399559
RDX: 0000200000000100 RSI: 0000200000000080 RDI: 0000200000000000
RBP: 00007f3e0d430b20 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000001 R11: 0000000000000246 R12: 0000000000000000
R13: 00007f3e0d620038 R14: 00007f3e0d61ffa0 R15: 00007ffd1217cf98

The buggy address belongs to the page:
page:ffffea0004a84e40 refcount:0 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x12a139
flags: 0x4000000000000000()
raw: 4000000000000000 ffffea0004a84e48 ffffea0004a84e48 0000000000000000
raw: 0000000000000000 0000000000000000 00000000ffffffff 0000000000000000
page dumped because: kasan: bad access detected
page_owner info is not present (never set?)

Memory state around the buggy address:
 ffff88812a138f80: ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff
 ffff88812a139000: ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff
>ffff88812a139080: ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff
                               ^
 ffff88812a139100: ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff
 ffff88812a139180: ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff
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