Extracting prog: 3m38.955210552s
Minimizing prog: 43.43µs
Simplifying prog options: 0s
Extracting C: 1m26.247476967s
Simplifying C: 10m27.176123131s
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: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', &(0x7f0000000540)='./file0\x00', 0x800718, &(0x7f0000000200)={[{@nodioread_nolock}, {@journal_dev={'journal_dev', 0x3d, 0xb7}}, {@debug_want_extra_isize={'debug_want_extra_isize', 0x3d, 0x5c}}, {@nouid32}, {@resgid}, {@acl}, {@init_itable_val={'init_itable', 0x3d, 0x8d55}}]}, 0x0, 0x48d, &(0x7f0000000a00)="$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")
program did not crash
single: failed to extract reproducer
single: executing 1 programs separately with timeout 6m0s
testing program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_mount_image$ext4
detailed listing:
executing program 0:
syz_mount_image$ext4(&(0x7f00000009c0)='ext4\x00', &(0x7f0000000540)='./file0\x00', 0x800718, &(0x7f0000000200)={[{@nodioread_nolock}, {@journal_dev={'journal_dev', 0x3d, 0xb7}}, {@debug_want_extra_isize={'debug_want_extra_isize', 0x3d, 0x5c}}, {@nouid32}, {@resgid}, {@acl}, {@init_itable_val={'init_itable', 0x3d, 0x8d55}}]}, 0x0, 0x48d, &(0x7f0000000a00)="$eJzs281rHOUfAPDvTLKb9teX5FfrS2vVaBGCYtKkVXvwolQQqSjooR5jsi2h20aaKLYWm4p4EqSgZ/Eo+hd4E0HUk+DVkycpFO2lrafITGaSTbp5odlk0+7nAzP7PDPP7Dzfnbdnn2c3gI7Vn82SiJ0R8UdE9M5lFxfon3u5ef3i2K3rF8eSmJ198+8kL3fj+sWxsmi53Y4iM5BGpJ8kxU4Wmzp/4fRovV47V+SHps+8OzR1/sIz758ZPVU7VTs7cvTokcPDzz838mxL4sziurH/o8kD+155+8prYyeuvPPLd1l9dxbrG+Nolf4s8H9mc0vXPdnqnbXZrnzek8+T7jZXhjXriojscFXy6783umLh4PXGyx+3tXLAhsqeTT3Lr56ZBe5hSay1ZKXhngHc/coHffb9t5w2odmxZVx7ce4LUBb3zWKaW9MdaVGmMv/9tvX6I+LEzL9fZVNsUD8EAECjz8a+PF6Nnvjw1revZm2P3vk1aTyQv/6Zz3cXYyh9EfH/iNgTEfdFxN6IuD8iL/tgRDy0zvrc3v5Jr67zLVeUtf9eKMa2Frf/ytZf9HUVuV15/JXk5ES9dqj4TAai0pPlh1fYxw/Hfv98uXWN7b9syvZftgWLelztXtJBNz46PRqV9US94NrliP3dzeJP5kcCkojYFxH757da0wDP7jIx8dQ3B5YrtHr8K2jBONPs11l4M1n8M7Ek/lLSOD45cdv45NC2qNcODZVnxe1+/e3TN5bb/7rib4FrtbnXhuO/tEhf0jheO9Xa/d/h+Z9Wk7fyceZqMeb4wej09LnhiGpyPM9Xi7L58pGFbct8WT47/wcONr/+9xTbZPE/HBHZSfxIRDwaEY8VdX88Ip6IiIMrxPjzS6vHH2mbjv/liPGm97/583/J8T9/4XR5a1xYsmKi6/RP3y+3/7Ud/yN5aqBYkt//VtGsOt1NqnynnxsAAADcTdL8N/BJOjifTtPBwbnf8O+N/6X1yanpp09Ovnd2fO638n1RScuert6iP7Q+Ua8NJzPFO1aSY1GvjRR9xWV/6eGi3/iLru15fnBssj7e5tih0+1Y5vrP/NXV7toBG2x706Uj1U2vCNAGS8fR08XZS6+HmwHcq/xfGzrXKtd/uln1ADaf5z90rmbX/6UleWMBcG/y/IfO5fqHDpX+2O4aAG3k+Q8dadU/77cnsa1xSXXlwtUtUueWJbbqQckTEWUi3RL1kdigRLvvTAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAK3xXwAAAP//uIXZzg==")
program crashed: WARNING in ext4_xattr_inode_update_ref
single: successfully extracted reproducer
found reproducer with 1 syscalls
minimizing guilty program
extracting C reproducer
testing compiled C program (duration=6m0s, {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$ext4
program crashed: WARNING in ext4_xattr_inode_update_ref
simplifying C reproducer
testing compiled C program (duration=6m0s, {Threaded:false Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_mount_image$ext4
program crashed: WARNING in ext4_xattr_inode_update_ref
testing compiled C program (duration=6m0s, {Threaded:false Repeat:true RepeatTimes:0 Procs:1 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_mount_image$ext4
program crashed: WARNING in ext4_xattr_inode_update_ref
testing compiled C program (duration=6m0s, {Threaded:false Repeat:true RepeatTimes:0 Procs:1 Slowdown:1 Sandbox: SandboxArg:0 Leak:false NetInjection:false NetDevices:false NetReset:false Cgroups:false BinfmtMisc:false CloseFDs:false KCSAN:false DevlinkPCI:false NicVF:false USB:false VhciInjection:false Wifi:false IEEE802154:true Sysctl:true Swap:false UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_mount_image$ext4
program crashed: WARNING in ext4_xattr_inode_update_ref
testing compiled C program (duration=6m0s, {Threaded:false Repeat:true RepeatTimes:0 Procs:1 Slowdown:1 Sandbox: SandboxArg:0 Leak:false NetInjection:false NetDevices:false NetReset:false Cgroups:false BinfmtMisc:false CloseFDs:false KCSAN:false DevlinkPCI:false NicVF:false USB:false VhciInjection:false Wifi:false IEEE802154:false Sysctl:true Swap:false UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_mount_image$ext4
program crashed: WARNING in ext4_xattr_inode_update_ref
testing compiled C program (duration=6m0s, {Threaded:false Repeat:true RepeatTimes:0 Procs:1 Slowdown:1 Sandbox: SandboxArg:0 Leak:false NetInjection:false NetDevices:false NetReset:false Cgroups:false BinfmtMisc:false CloseFDs:false KCSAN:false DevlinkPCI:false NicVF:false USB:false VhciInjection:false Wifi:false IEEE802154:false Sysctl:true Swap:false UseTmpDir:false HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_mount_image$ext4
program crashed: WARNING in ext4_xattr_inode_update_ref
testing compiled C program (duration=6m0s, {Threaded:false Repeat:true RepeatTimes:0 Procs:1 Slowdown:1 Sandbox: SandboxArg:0 Leak:false NetInjection:false NetDevices:false NetReset:false Cgroups:false BinfmtMisc:false CloseFDs:false KCSAN:false DevlinkPCI:false NicVF:false USB:false VhciInjection:false Wifi:false IEEE802154:false Sysctl:true Swap:false UseTmpDir:false HandleSegv:false Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_mount_image$ext4
program crashed: WARNING in ext4_xattr_inode_update_ref
testing compiled C program (duration=6m0s, {Threaded:false Repeat:true RepeatTimes:0 Procs:1 Slowdown:1 Sandbox: SandboxArg:0 Leak:false NetInjection:false NetDevices:false NetReset:false Cgroups:false BinfmtMisc:false CloseFDs:false KCSAN:false DevlinkPCI:false NicVF:false USB:false VhciInjection:false Wifi:false IEEE802154:false Sysctl:false Swap:false UseTmpDir:false HandleSegv:false Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_mount_image$ext4
program crashed: WARNING in ext4_xattr_inode_update_ref
testing program (duration=6m0s, {Threaded:false Repeat:true RepeatTimes:0 Procs:1 Slowdown:1 Sandbox: SandboxArg:0 Leak:false NetInjection:false NetDevices:false NetReset:false Cgroups:false BinfmtMisc:false CloseFDs:false KCSAN:false DevlinkPCI:false NicVF:false USB:false VhciInjection:false Wifi:false IEEE802154:false Sysctl:false Swap:false UseTmpDir: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', &(0x7f0000000540)='./file0\x00', 0x800718, &(0x7f0000000200)={[{@nodioread_nolock}, {@journal_dev={'journal_dev', 0x3d, 0xb7}}, {@debug_want_extra_isize={'debug_want_extra_isize', 0x3d, 0x5c}}, {@nouid32}, {@resgid}, {@acl}, {@init_itable_val={'init_itable', 0x3d, 0x8d55}}]}, 0x0, 0x48d, &(0x7f0000000a00)="$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")
program crashed: WARNING in ext4_xattr_inode_update_ref
validation run: crashed=true
testing program (duration=6m0s, {Threaded:false Repeat:true RepeatTimes:0 Procs:1 Slowdown:1 Sandbox: SandboxArg:0 Leak:false NetInjection:false NetDevices:false NetReset:false Cgroups:false BinfmtMisc:false CloseFDs:false KCSAN:false DevlinkPCI:false NicVF:false USB:false VhciInjection:false Wifi:false IEEE802154:false Sysctl:false Swap:false UseTmpDir:false HandleSegv:false Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_mount_image$ext4
detailed listing:
executing program 0:
syz_mount_image$ext4(&(0x7f00000009c0)='ext4\x00', &(0x7f0000000540)='./file0\x00', 0x800718, &(0x7f0000000200)={[{@nodioread_nolock}, {@journal_dev={'journal_dev', 0x3d, 0xb7}}, {@debug_want_extra_isize={'debug_want_extra_isize', 0x3d, 0x5c}}, {@nouid32}, {@resgid}, {@acl}, {@init_itable_val={'init_itable', 0x3d, 0x8d55}}]}, 0x0, 0x48d, &(0x7f0000000a00)="$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")
program crashed: WARNING in ext4_xattr_inode_update_ref
validation run: crashed=true
testing program (duration=6m0s, {Threaded:false Repeat:true RepeatTimes:0 Procs:1 Slowdown:1 Sandbox: SandboxArg:0 Leak:false NetInjection:false NetDevices:false NetReset:false Cgroups:false BinfmtMisc:false CloseFDs:false KCSAN:false DevlinkPCI:false NicVF:false USB:false VhciInjection:false Wifi:false IEEE802154:false Sysctl:false Swap:false UseTmpDir: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', &(0x7f0000000540)='./file0\x00', 0x800718, &(0x7f0000000200)={[{@nodioread_nolock}, {@journal_dev={'journal_dev', 0x3d, 0xb7}}, {@debug_want_extra_isize={'debug_want_extra_isize', 0x3d, 0x5c}}, {@nouid32}, {@resgid}, {@acl}, {@init_itable_val={'init_itable', 0x3d, 0x8d55}}]}, 0x0, 0x48d, &(0x7f0000000a00)="$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")
program crashed: WARNING in ext4_xattr_inode_update_ref
validation run: crashed=true
reproducing took 23m25.428464387s
repro crashed as (corrupted=false):
loop0: detected capacity change from 0 to 512
EXT4-fs warning (device loop0): ext4_expand_extra_isize_ea:2860: Unable to expand inode 15. Delete some EAs or run e2fsck.
------------[ cut here ]------------
EA inode 11 i_nlink=2
WARNING: fs/ext4/xattr.c:1059 at ext4_xattr_inode_update_ref+0x4cc/0x590 fs/ext4/xattr.c:1057, CPU#1: syz.0.17/5947
Modules linked in:
CPU: 1 UID: 0 PID: 5947 Comm: syz.0.17 Not tainted syzkaller #0 PREEMPT_{RT,(full)}
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026
RIP: 0010:ext4_xattr_inode_update_ref+0x50c/0x590 fs/ext4/xattr.c:1057
Code: 08 4c 89 e7 e8 65 2d 9a ff 4d 8b 24 24 48 b8 00 00 00 00 00 fc ff df 41 0f b6 04 07 84 c0 75 73 41 8b 55 00 48 89 df 4c 89 e6 <67> 48 0f b9 3a e9 5f fe ff ff e8 05 52 af 08 44 89 e9 80 e1 07 80
RSP: 0018:ffffc90003e97260 EFLAGS: 00010246
RAX: 0000000000000000 RBX: ffffffff8fb63470 RCX: dffffc0000000000
RDX: 0000000000000002 RSI: 000000000000000b RDI: ffffffff8fb63470
RBP: ffffc90003e97350 R08: 0000000000000000 R09: 0000000000000000
R10: dffffc0000000000 R11: ffffed100a985216 R12: 000000000000000b
R13: ffff888054c28ed0 R14: 0000000000000000 R15: 1ffff1100a9851da
FS: 00005555700dd500(0000) GS:ffff888125d3e000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f4f0a2af000 CR3: 0000000044c6c000 CR4: 00000000003526f0
Call Trace:
ext4_xattr_inode_dec_ref fs/ext4/xattr.c:1082 [inline]
ext4_xattr_inode_dec_ref_all+0x7c0/0xec0 fs/ext4/xattr.c:1228
ext4_xattr_delete_inode+0xb42/0xd10 fs/ext4/xattr.c:2952
ext4_evict_inode+0xc31/0x10c0 fs/ext4/inode.c:284
evict+0x624/0xb50 fs/inode.c:825
ext4_orphan_cleanup+0xc7a/0x14c0 fs/ext4/orphan.c:472
__ext4_fill_super fs/ext4/super.c:5705 [inline]
ext4_fill_super+0x5cc0/0x65d0 fs/ext4/super.c:5828
get_tree_bdev_flags+0x430/0x4f0 fs/super.c:1640
vfs_get_tree+0x92/0x2a0 fs/super.c:1700
fc_mount fs/namespace.c:1198 [inline]
do_new_mount_fc fs/namespace.c:3765 [inline]
do_new_mount+0x319/0xdc0 fs/namespace.c:3841
do_mount fs/namespace.c:4174 [inline]
__do_sys_mount fs/namespace.c:4390 [inline]
__se_sys_mount+0x31d/0x420 fs/namespace.c:4367
do_syscall_x64 arch/x86/entry/syscall_64.c:63 [inline]
do_syscall_64+0x174/0x580 arch/x86/entry/syscall_64.c:94
entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7fb9c342f28a
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:00007ffd687f2018 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
RAX: ffffffffffffffda RBX: 00007ffd687f20a0 RCX: 00007fb9c342f28a
RDX: 00002000000009c0 RSI: 0000200000000540 RDI: 00007ffd687f2060
RBP: 00002000000009c0 R08: 00007ffd687f20a0 R09: 0000000000800718
R10: 0000000000800718 R11: 0000000000000246 R12: 0000200000000540
R13: 00007ffd687f2060 R14: 000000000000048d R15: 0000200000000200
----------------
Code disassembly (best guess):
0: 08 4c 89 e7 or %cl,-0x19(%rcx,%rcx,4)
4: e8 65 2d 9a ff call 0xff9a2d6e
9: 4d 8b 24 24 mov (%r12),%r12
d: 48 b8 00 00 00 00 00 movabs $0xdffffc0000000000,%rax
14: fc ff df
17: 41 0f b6 04 07 movzbl (%r15,%rax,1),%eax
1c: 84 c0 test %al,%al
1e: 75 73 jne 0x93
20: 41 8b 55 00 mov 0x0(%r13),%edx
24: 48 89 df mov %rbx,%rdi
27: 4c 89 e6 mov %r12,%rsi
* 2a: 67 48 0f b9 3a ud1 (%edx),%rdi <-- trapping instruction
2f: e9 5f fe ff ff jmp 0xfffffe93
34: e8 05 52 af 08 call 0x8af523e
39: 44 89 e9 mov %r13d,%ecx
3c: 80 e1 07 and $0x7,%cl
3f: 80 .byte 0x80
final repro crashed as (corrupted=false):
loop0: detected capacity change from 0 to 512
EXT4-fs warning (device loop0): ext4_expand_extra_isize_ea:2860: Unable to expand inode 15. Delete some EAs or run e2fsck.
------------[ cut here ]------------
EA inode 11 i_nlink=2
WARNING: fs/ext4/xattr.c:1059 at ext4_xattr_inode_update_ref+0x4cc/0x590 fs/ext4/xattr.c:1057, CPU#1: syz.0.17/5947
Modules linked in:
CPU: 1 UID: 0 PID: 5947 Comm: syz.0.17 Not tainted syzkaller #0 PREEMPT_{RT,(full)}
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026
RIP: 0010:ext4_xattr_inode_update_ref+0x50c/0x590 fs/ext4/xattr.c:1057
Code: 08 4c 89 e7 e8 65 2d 9a ff 4d 8b 24 24 48 b8 00 00 00 00 00 fc ff df 41 0f b6 04 07 84 c0 75 73 41 8b 55 00 48 89 df 4c 89 e6 <67> 48 0f b9 3a e9 5f fe ff ff e8 05 52 af 08 44 89 e9 80 e1 07 80
RSP: 0018:ffffc90003e97260 EFLAGS: 00010246
RAX: 0000000000000000 RBX: ffffffff8fb63470 RCX: dffffc0000000000
RDX: 0000000000000002 RSI: 000000000000000b RDI: ffffffff8fb63470
RBP: ffffc90003e97350 R08: 0000000000000000 R09: 0000000000000000
R10: dffffc0000000000 R11: ffffed100a985216 R12: 000000000000000b
R13: ffff888054c28ed0 R14: 0000000000000000 R15: 1ffff1100a9851da
FS: 00005555700dd500(0000) GS:ffff888125d3e000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f4f0a2af000 CR3: 0000000044c6c000 CR4: 00000000003526f0
Call Trace:
ext4_xattr_inode_dec_ref fs/ext4/xattr.c:1082 [inline]
ext4_xattr_inode_dec_ref_all+0x7c0/0xec0 fs/ext4/xattr.c:1228
ext4_xattr_delete_inode+0xb42/0xd10 fs/ext4/xattr.c:2952
ext4_evict_inode+0xc31/0x10c0 fs/ext4/inode.c:284
evict+0x624/0xb50 fs/inode.c:825
ext4_orphan_cleanup+0xc7a/0x14c0 fs/ext4/orphan.c:472
__ext4_fill_super fs/ext4/super.c:5705 [inline]
ext4_fill_super+0x5cc0/0x65d0 fs/ext4/super.c:5828
get_tree_bdev_flags+0x430/0x4f0 fs/super.c:1640
vfs_get_tree+0x92/0x2a0 fs/super.c:1700
fc_mount fs/namespace.c:1198 [inline]
do_new_mount_fc fs/namespace.c:3765 [inline]
do_new_mount+0x319/0xdc0 fs/namespace.c:3841
do_mount fs/namespace.c:4174 [inline]
__do_sys_mount fs/namespace.c:4390 [inline]
__se_sys_mount+0x31d/0x420 fs/namespace.c:4367
do_syscall_x64 arch/x86/entry/syscall_64.c:63 [inline]
do_syscall_64+0x174/0x580 arch/x86/entry/syscall_64.c:94
entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7fb9c342f28a
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:00007ffd687f2018 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
RAX: ffffffffffffffda RBX: 00007ffd687f20a0 RCX: 00007fb9c342f28a
RDX: 00002000000009c0 RSI: 0000200000000540 RDI: 00007ffd687f2060
RBP: 00002000000009c0 R08: 00007ffd687f20a0 R09: 0000000000800718
R10: 0000000000800718 R11: 0000000000000246 R12: 0000200000000540
R13: 00007ffd687f2060 R14: 000000000000048d R15: 0000200000000200
----------------
Code disassembly (best guess):
0: 08 4c 89 e7 or %cl,-0x19(%rcx,%rcx,4)
4: e8 65 2d 9a ff call 0xff9a2d6e
9: 4d 8b 24 24 mov (%r12),%r12
d: 48 b8 00 00 00 00 00 movabs $0xdffffc0000000000,%rax
14: fc ff df
17: 41 0f b6 04 07 movzbl (%r15,%rax,1),%eax
1c: 84 c0 test %al,%al
1e: 75 73 jne 0x93
20: 41 8b 55 00 mov 0x0(%r13),%edx
24: 48 89 df mov %rbx,%rdi
27: 4c 89 e6 mov %r12,%rsi
* 2a: 67 48 0f b9 3a ud1 (%edx),%rdi <-- trapping instruction
2f: e9 5f fe ff ff jmp 0xfffffe93
34: e8 05 52 af 08 call 0x8af523e
39: 44 89 e9 mov %r13d,%ecx
3c: 80 e1 07 and $0x7,%cl
3f: 80 .byte 0x80