Extracting prog: 42.943957994s
Minimizing prog: 5m7.10712745s
Simplifying prog options: 0s
Extracting C: 1m5.869697867s
Simplifying C: 9m17.954695594s


extracting reproducer from 35 programs
first checking the prog from the crash report
single: executing 1 programs separately with timeout 30s
testing program (duration=30s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): ioctl$TCSBRK-syz_init_net_socket$nl_generic-syz_genetlink_get_family_id$nl802154-syz_mount_image$ext4
detailed listing:
executing program 0:
ioctl$TCSBRK(0xffffffffffffffff, 0x5409, 0x87)
syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$nl802154(&(0x7f0000000080), 0xffffffffffffffff)
syz_mount_image$ext4(&(0x7f00000009c0)='ext4\x00', &(0x7f0000000040)='./file0\x00', 0x800718, &(0x7f0000000300)={[{@nodioread_nolock}, {@data_err_ignore}, {@debug_want_extra_isize={'debug_want_extra_isize', 0x3d, 0x5c}}, {@noquota}, {@resgid}, {@inlinecrypt}, {@errors_remount}]}, 0x4, 0x4a4, &(0x7f0000000a00)="$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")

program crashed: WARNING in ext4_xattr_inode_update_ref
single: successfully extracted reproducer
found reproducer with 4 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:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): ioctl$TCSBRK-syz_init_net_socket$nl_generic-syz_genetlink_get_family_id$nl802154
detailed listing:
executing program 0:
ioctl$TCSBRK(0xffffffffffffffff, 0x5409, 0x87)
syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$nl802154(&(0x7f0000000080), 0xffffffffffffffff)

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:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): ioctl$TCSBRK-syz_init_net_socket$nl_generic-syz_mount_image$ext4
detailed listing:
executing program 0:
ioctl$TCSBRK(0xffffffffffffffff, 0x5409, 0x87)
syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_mount_image$ext4(&(0x7f00000009c0)='ext4\x00', &(0x7f0000000040)='./file0\x00', 0x800718, &(0x7f0000000300)={[{@nodioread_nolock}, {@data_err_ignore}, {@debug_want_extra_isize={'debug_want_extra_isize', 0x3d, 0x5c}}, {@noquota}, {@resgid}, {@inlinecrypt}, {@errors_remount}]}, 0x4, 0x4a4, &(0x7f0000000a00)="$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")

program crashed: WARNING in ext4_xattr_inode_update_ref
testing program (duration=30s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): ioctl$TCSBRK-syz_mount_image$ext4
detailed listing:
executing program 0:
ioctl$TCSBRK(0xffffffffffffffff, 0x5409, 0x87)
syz_mount_image$ext4(&(0x7f00000009c0)='ext4\x00', &(0x7f0000000040)='./file0\x00', 0x800718, &(0x7f0000000300)={[{@nodioread_nolock}, {@data_err_ignore}, {@debug_want_extra_isize={'debug_want_extra_isize', 0x3d, 0x5c}}, {@noquota}, {@resgid}, {@inlinecrypt}, {@errors_remount}]}, 0x4, 0x4a4, &(0x7f0000000a00)="$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")

program crashed: WARNING in ext4_xattr_inode_update_ref
testing program (duration=30s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_mount_image$ext4
detailed listing:
executing program 0:
syz_mount_image$ext4(&(0x7f00000009c0)='ext4\x00', &(0x7f0000000040)='./file0\x00', 0x800718, &(0x7f0000000300)={[{@nodioread_nolock}, {@data_err_ignore}, {@debug_want_extra_isize={'debug_want_extra_isize', 0x3d, 0x5c}}, {@noquota}, {@resgid}, {@inlinecrypt}, {@errors_remount}]}, 0x4, 0x4a4, &(0x7f0000000a00)="$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")

program crashed: WARNING in ext4_xattr_inode_update_ref
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:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_mount_image$ext4
program crashed: WARNING in ext4_xattr_inode_update_ref
simplifying C reproducer
testing compiled C program (duration=30s, {Threaded:false Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_mount_image$ext4
program crashed: WARNING in ext4_xattr_inode_update_ref
testing compiled C program (duration=30s, {Threaded:false Repeat:false RepeatTimes:0 Procs:1 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:false Cgroups:false BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_mount_image$ext4
program crashed: WARNING in ext4_xattr_inode_update_ref
testing compiled C program (duration=30s, {Threaded:false Repeat:false RepeatTimes:0 Procs:1 Slowdown:1 Sandbox: SandboxArg:0 Leak:false NetInjection:false NetDevices:false NetReset:false Cgroups:false BinfmtMisc:false CloseFDs:false KCSAN:false DevlinkPCI:false NicVF:false USB:false VhciInjection:false Wifi:false IEEE802154:true Sysctl:true Swap:false UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_mount_image$ext4
program crashed: WARNING in ext4_xattr_inode_update_ref
testing compiled C program (duration=30s, {Threaded:false Repeat:false 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$ext4
program crashed: WARNING in ext4_xattr_inode_update_ref
testing compiled C program (duration=30s, {Threaded:false Repeat:false RepeatTimes:0 Procs:1 Slowdown:1 Sandbox: SandboxArg:0 Leak:false NetInjection:false NetDevices:false NetReset:false Cgroups:false BinfmtMisc:false CloseFDs:false KCSAN:false DevlinkPCI:false NicVF:false USB:false VhciInjection:false Wifi:false IEEE802154:false Sysctl:true Swap:false UseTmpDir:false HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_mount_image$ext4
program crashed: WARNING in ext4_xattr_inode_update_ref
testing compiled C program (duration=30s, {Threaded:false Repeat:false 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$ext4
program crashed: WARNING in ext4_xattr_inode_update_ref
testing compiled C program (duration=30s, {Threaded:false Repeat:false RepeatTimes:0 Procs:1 Slowdown:1 Sandbox: SandboxArg:0 Leak:false NetInjection:false NetDevices:false NetReset:false Cgroups:false BinfmtMisc:false CloseFDs:false KCSAN:false DevlinkPCI:false NicVF:false USB:false VhciInjection:false Wifi:false IEEE802154:false Sysctl:false Swap:false UseTmpDir:false HandleSegv:false Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_mount_image$ext4
program crashed: WARNING in ext4_xattr_inode_update_ref
testing program (duration=30s, {Threaded:false Repeat:false 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$ext4
detailed listing:
executing program 0:
syz_mount_image$ext4(&(0x7f00000009c0)='ext4\x00', &(0x7f0000000040)='./file0\x00', 0x800718, &(0x7f0000000300)={[{@nodioread_nolock}, {@data_err_ignore}, {@debug_want_extra_isize={'debug_want_extra_isize', 0x3d, 0x5c}}, {@noquota}, {@resgid}, {@inlinecrypt}, {@errors_remount}]}, 0x4, 0x4a4, &(0x7f0000000a00)="$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")

program crashed: WARNING in ext4_xattr_inode_update_ref
validation run: crashed=true
testing program (duration=30s, {Threaded:false Repeat:false 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$ext4
detailed listing:
executing program 0:
syz_mount_image$ext4(&(0x7f00000009c0)='ext4\x00', &(0x7f0000000040)='./file0\x00', 0x800718, &(0x7f0000000300)={[{@nodioread_nolock}, {@data_err_ignore}, {@debug_want_extra_isize={'debug_want_extra_isize', 0x3d, 0x5c}}, {@noquota}, {@resgid}, {@inlinecrypt}, {@errors_remount}]}, 0x4, 0x4a4, &(0x7f0000000a00)="$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")

program crashed: WARNING in ext4_xattr_inode_update_ref
validation run: crashed=true
testing program (duration=30s, {Threaded:false Repeat:false 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$ext4
detailed listing:
executing program 0:
syz_mount_image$ext4(&(0x7f00000009c0)='ext4\x00', &(0x7f0000000040)='./file0\x00', 0x800718, &(0x7f0000000300)={[{@nodioread_nolock}, {@data_err_ignore}, {@debug_want_extra_isize={'debug_want_extra_isize', 0x3d, 0x5c}}, {@noquota}, {@resgid}, {@inlinecrypt}, {@errors_remount}]}, 0x4, 0x4a4, &(0x7f0000000a00)="$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")

program crashed: WARNING in ext4_xattr_inode_update_ref
validation run: crashed=true
reproducing took 20m47.677904174s
repro crashed as (corrupted=false):
EXT4-fs error (device loop0): ext4_map_blocks:631: inode #11: block 4559633: comm syz.0.17: lblock 3 mapped to illegal pblock 4559633 (length 1)
EXT4-fs (loop0): Remounting filesystem read-only
EXT4-fs warning (device loop0): ext4_expand_extra_isize_ea:2812: Unable to expand inode 15. Delete some EAs or run e2fsck.
------------[ cut here ]------------
EA inode 11 i_nlink=2
WARNING: CPU: 0 PID: 4323 at fs/ext4/xattr.c:1006 ext4_xattr_inode_update_ref+0x4fe/0x560 fs/ext4/xattr.c:1004
Modules linked in:
CPU: 0 PID: 4323 Comm: syz.0.17 Not tainted syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026
RIP: 0010:ext4_xattr_inode_update_ref+0x4fe/0x560 fs/ext4/xattr.c:1004
Code: 40 4c 89 e0 48 c1 e8 03 42 80 3c 28 00 74 08 4c 89 e7 e8 55 01 a2 ff 49 8b 34 24 48 c7 c7 80 99 3d 8a 44 89 fa e8 a2 4d 99 07 <0f> 0b 49 bd 00 00 00 00 00 fc ff df 4c 8b 74 24 08 4c 8b 64 24 10
RSP: 0018:ffffc900022e7400 EFLAGS: 00010246
RAX: 7520b15eb1e08d00 RBX: ffff888068d50e90 RCX: ffff88802c22d940
RDX: 0000000000000000 RSI: 0000000080000000 RDI: 0000000000000000
RBP: ffffc900022e74f0 R08: ffff8880b902795b R09: 1ffff11017204f2b
R10: dffffc0000000000 R11: ffffed1017204f2c R12: ffff888068d50cd8
R13: dffffc0000000000 R14: ffff888068d50c98 R15: 0000000000000002
FS:  0000555568375500(0000) GS:ffff8880b9000000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000562ddf928360 CR3: 000000007a2e5000 CR4: 00000000003506f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 <TASK>
 ext4_xattr_inode_dec_ref fs/ext4/xattr.c:1029 [inline]
 ext4_xattr_inode_dec_ref_all+0x94c/0xf90 fs/ext4/xattr.c:1175
 ext4_xattr_delete_inode+0xada/0xca0 fs/ext4/xattr.c:2908
 ext4_evict_inode+0xc0c/0x1050 fs/ext4/inode.c:301
 evict+0x4b6/0x8b0 fs/inode.c:647
 ext4_orphan_cleanup+0xad8/0x1320 fs/ext4/orphan.c:472
 ext4_fill_super+0x8c65/0x93f0 fs/ext4/super.c:5006
 mount_bdev+0x28a/0x3c0 fs/super.c:1411
 legacy_get_tree+0xe6/0x180 fs/fs_context.c:611
 vfs_get_tree+0x88/0x270 fs/super.c:1541
 do_new_mount+0x247/0xa40 fs/namespace.c:3034
 do_mount fs/namespace.c:3377 [inline]
 __do_sys_mount fs/namespace.c:3585 [inline]
 __se_sys_mount+0x2e3/0x3d0 fs/namespace.c:3562
 do_syscall_x64 arch/x86/entry/common.c:50 [inline]
 do_syscall_64+0x4c/0xa0 arch/x86/entry/common.c:80
 entry_SYSCALL_64_after_hwframe+0x66/0xd0
RIP: 0033:0x7f78e0dfb3ca
Code: 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48
RSP: 002b:00007ffe9480e638 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
RAX: ffffffffffffffda RBX: 00007ffe9480e6c0 RCX: 00007f78e0dfb3ca
RDX: 00002000000009c0 RSI: 0000200000000040 RDI: 00007ffe9480e680
RBP: 00002000000009c0 R08: 00007ffe9480e6c0 R09: 0000000000800718
R10: 0000000000800718 R11: 0000000000000246 R12: 0000200000000040
R13: 00007ffe9480e680 R14: 00000000000004a4 R15: 000000000000002c
 </TASK>

final repro crashed as (corrupted=false):
EXT4-fs error (device loop0): ext4_map_blocks:631: inode #11: block 4559633: comm syz.0.17: lblock 3 mapped to illegal pblock 4559633 (length 1)
EXT4-fs (loop0): Remounting filesystem read-only
EXT4-fs warning (device loop0): ext4_expand_extra_isize_ea:2812: Unable to expand inode 15. Delete some EAs or run e2fsck.
------------[ cut here ]------------
EA inode 11 i_nlink=2
WARNING: CPU: 0 PID: 4323 at fs/ext4/xattr.c:1006 ext4_xattr_inode_update_ref+0x4fe/0x560 fs/ext4/xattr.c:1004
Modules linked in:
CPU: 0 PID: 4323 Comm: syz.0.17 Not tainted syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026
RIP: 0010:ext4_xattr_inode_update_ref+0x4fe/0x560 fs/ext4/xattr.c:1004
Code: 40 4c 89 e0 48 c1 e8 03 42 80 3c 28 00 74 08 4c 89 e7 e8 55 01 a2 ff 49 8b 34 24 48 c7 c7 80 99 3d 8a 44 89 fa e8 a2 4d 99 07 <0f> 0b 49 bd 00 00 00 00 00 fc ff df 4c 8b 74 24 08 4c 8b 64 24 10
RSP: 0018:ffffc900022e7400 EFLAGS: 00010246
RAX: 7520b15eb1e08d00 RBX: ffff888068d50e90 RCX: ffff88802c22d940
RDX: 0000000000000000 RSI: 0000000080000000 RDI: 0000000000000000
RBP: ffffc900022e74f0 R08: ffff8880b902795b R09: 1ffff11017204f2b
R10: dffffc0000000000 R11: ffffed1017204f2c R12: ffff888068d50cd8
R13: dffffc0000000000 R14: ffff888068d50c98 R15: 0000000000000002
FS:  0000555568375500(0000) GS:ffff8880b9000000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000562ddf928360 CR3: 000000007a2e5000 CR4: 00000000003506f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 <TASK>
 ext4_xattr_inode_dec_ref fs/ext4/xattr.c:1029 [inline]
 ext4_xattr_inode_dec_ref_all+0x94c/0xf90 fs/ext4/xattr.c:1175
 ext4_xattr_delete_inode+0xada/0xca0 fs/ext4/xattr.c:2908
 ext4_evict_inode+0xc0c/0x1050 fs/ext4/inode.c:301
 evict+0x4b6/0x8b0 fs/inode.c:647
 ext4_orphan_cleanup+0xad8/0x1320 fs/ext4/orphan.c:472
 ext4_fill_super+0x8c65/0x93f0 fs/ext4/super.c:5006
 mount_bdev+0x28a/0x3c0 fs/super.c:1411
 legacy_get_tree+0xe6/0x180 fs/fs_context.c:611
 vfs_get_tree+0x88/0x270 fs/super.c:1541
 do_new_mount+0x247/0xa40 fs/namespace.c:3034
 do_mount fs/namespace.c:3377 [inline]
 __do_sys_mount fs/namespace.c:3585 [inline]
 __se_sys_mount+0x2e3/0x3d0 fs/namespace.c:3562
 do_syscall_x64 arch/x86/entry/common.c:50 [inline]
 do_syscall_64+0x4c/0xa0 arch/x86/entry/common.c:80
 entry_SYSCALL_64_after_hwframe+0x66/0xd0
RIP: 0033:0x7f78e0dfb3ca
Code: 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48
RSP: 002b:00007ffe9480e638 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
RAX: ffffffffffffffda RBX: 00007ffe9480e6c0 RCX: 00007f78e0dfb3ca
RDX: 00002000000009c0 RSI: 0000200000000040 RDI: 00007ffe9480e680
RBP: 00002000000009c0 R08: 00007ffe9480e6c0 R09: 0000000000800718
R10: 0000000000800718 R11: 0000000000000246 R12: 0000200000000040
R13: 00007ffe9480e680 R14: 00000000000004a4 R15: 000000000000002c
 </TASK>