[ 39.098031] ------------[ cut here ]------------
[ 39.098959] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code!
[ 39.101022] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#0: sshd/243
[ 39.102541] Modules linked in:
[ 39.103184] CPU: 0 UID: 104 PID: 243 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251117 #1 PREEMPT(voluntary)
[ 39.105266] Tainted: [W]=WARN
[ 39.105837] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014
[ 39.107321] RIP: 0010:vmalloc_fix_flags+0x91/0xd0
[ 39.108246] Code: e0 ad 11 00 81 e6 1f 52 ee ff 89 4c 24 40 89 74 24 30 90 48 c7 c7 00 38 f1 84 4c 8d 44 24 40 48 8d 54 24 30 e8 a0 7c 94 ff 90 <0f> 0b 90 90 8b 44 24 40 48 c7 03 00 00 00 00 c7 43 08 00 00 00 00
[ 39.111455] RSP: 0018:ffff888017b47bc0 EFLAGS: 00010286
[ 39.112448] RAX: 0000000000000000 RBX: ffffed1002f68f78 RCX: ffffffff813a4050
[ 39.113793] RDX: ffff88800f5d9bc0 RSI: ffffffff813a405e RDI: 0000000000000001
[ 39.115085] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed1002f68f2f
[ 39.116363] R10: 0000000000000000 R11: 0000000000000001 R12: 0000000000400dc0
[ 39.117683] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff888017b47df8
[ 39.118978] FS: 00007fb088b80900(0000) GS:ffff8880e538f000(0000) knlGS:0000000000000000
[ 39.120510] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 39.121574] CR2: 00007ffea676fef8 CR3: 000000000e0d5000 CR4: 0000000000350ef0
[ 39.122842] Call Trace:
[ 39.123331]
[ 39.123736] ? __pfx_vmalloc_fix_flags+0x10/0x10
[ 39.124624] ? __create_object+0x59/0x80
[ 39.125409] ? trace_irq_enable.constprop.0+0xc2/0x100
[ 39.126371] __vmalloc_noprof+0x59/0x60
[ 39.127070] bpf_prog_alloc_no_stats+0x55/0x470
[ 39.127928] ? __pfx_seccomp_check_filter+0x10/0x10
[ 39.128843] bpf_prog_alloc+0x39/0x200
[ 39.129582] ? __pfx_seccomp_check_filter+0x10/0x10
[ 39.130505] bpf_prog_create_from_user+0xb2/0x2f0
[ 39.131402] do_seccomp+0x349/0x25e0
[ 39.132072] ? find_held_lock+0x2b/0x80
[ 39.132828] ? do_prlimit+0x310/0x610
[ 39.133566] ? __pfx_do_seccomp+0x10/0x10
[ 39.134336] ? do_raw_spin_unlock+0x53/0x220
[ 39.135112] ? _raw_spin_unlock+0x1e/0x40
[ 39.135881] ? __sanitizer_cov_trace_switch+0x54/0x90
[ 39.136838] ? static_key_count+0x60/0x80
[ 39.137638] prctl_set_seccomp+0x4e/0x70
[ 39.138401] __do_sys_prctl+0xe6c/0x1d70
[ 39.139169] ? __pfx___do_sys_prctl+0x10/0x10
[ 39.139964] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0
[ 39.140925] ? irqentry_exit+0xf3/0x650
[ 39.141679] do_syscall_64+0xbf/0x430
[ 39.142403] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 39.143345] RIP: 0033:0x7fb0890725cd
[ 39.143992] Code: 00 48 89 44 24 18 31 c0 48 8d 44 24 60 c7 04 24 08 00 00 00 48 89 44 24 08 48 8d 44 24 20 48 89 44 24 10 b8 9d 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 1b 48 8b 4c 24 18 64 48 2b 0c 25 28 00 00 00
[ 39.147116] RSP: 002b:00007ffea676e980 EFLAGS: 00000246 ORIG_RAX: 000000000000009d
[ 39.148493] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007fb0890725cd
[ 39.149776] RDX: 0000557468f96e00 RSI: 0000000000000002 RDI: 0000000000000016
[ 39.151028] RBP: 00007ffea676e9e0 R08: 0000000000000000 R09: 00007ffea676e080
[ 39.152291] R10: 0000000000000000 R11: 0000000000000246 R12: 00005574a61182b0
[ 39.153564] R13: 00007ffea676ee10 R14: 00005574a611ad20 R15: 00005574a612c8d0
[ 39.154844]
[ 39.155289] irq event stamp: 1697
[ 39.155881] hardirqs last enabled at (1705): [] __up_console_sem+0x78/0x80
[ 39.157388] hardirqs last disabled at (1714): [] __up_console_sem+0x5d/0x80
[ 39.158872] softirqs last enabled at (1664): [] handle_softirqs+0x50c/0x770
[ 39.160388] softirqs last disabled at (1659): [] __irq_exit_rcu+0xc4/0x100
[ 39.161928] ---[ end trace 0000000000000000 ]---
Debian GNU/Linux 11 syzkaller ttyS0
syzkaller login: [ 42.490786] ------------[ cut here ]------------
[ 42.491718] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code!
[ 42.493764] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#0: sshd/252
[ 42.495203] Modules linked in:
[ 42.495785] CPU: 0 UID: 104 PID: 252 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251117 #1 PREEMPT(voluntary)
[ 42.497756] Tainted: [W]=WARN
[ 42.498352] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014
[ 42.499813] RIP: 0010:vmalloc_fix_flags+0x91/0xd0
[ 42.500712] Code: e0 ad 11 00 81 e6 1f 52 ee ff 89 4c 24 40 89 74 24 30 90 48 c7 c7 00 38 f1 84 4c 8d 44 24 40 48 8d 54 24 30 e8 a0 7c 94 ff 90 <0f> 0b 90 90 8b 44 24 40 48 c7 03 00 00 00 00 c7 43 08 00 00 00 00
[ 42.503861] RSP: 0018:ffff88801634fbc0 EFLAGS: 00010286
[ 42.504817] RAX: 0000000000000000 RBX: ffffed1002c69f78 RCX: ffffffff813a4050
[ 42.506127] RDX: ffff88800e089bc0 RSI: ffffffff813a405e RDI: 0000000000000001
[ 42.507398] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed1002c69f2f
[ 42.508673] R10: 0000000000000000 R11: 0000000000000001 R12: 0000000000400dc0
[ 42.509948] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff88801634fdf8
[ 42.511229] FS: 00007f45a7d00900(0000) GS:ffff8880e538f000(0000) knlGS:0000000000000000
[ 42.512653] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 42.513727] CR2: 00007fff35aacef8 CR3: 000000000d61d000 CR4: 0000000000350ef0
[ 42.514990] Call Trace:
[ 42.515495]
[ 42.515904] ? __pfx_vmalloc_fix_flags+0x10/0x10
[ 42.516796] ? __create_object+0x59/0x80
[ 42.517582] ? trace_irq_enable.constprop.0+0xc2/0x100
[ 42.518545] __vmalloc_noprof+0x59/0x60
[ 42.519319] bpf_prog_alloc_no_stats+0x55/0x470
[ 42.520182] ? __pfx_seccomp_check_filter+0x10/0x10
[ 42.521064] bpf_prog_alloc+0x39/0x200
[ 42.521807] ? __pfx_seccomp_check_filter+0x10/0x10
[ 42.522733] bpf_prog_create_from_user+0xb2/0x2f0
[ 42.523650] do_seccomp+0x349/0x25e0
[ 42.524371] ? find_held_lock+0x2b/0x80
[ 42.525102] ? do_prlimit+0x310/0x610
[ 42.525868] ? __pfx_do_seccomp+0x10/0x10
[ 42.526648] ? do_raw_spin_unlock+0x53/0x220
[ 42.527489] ? _raw_spin_unlock+0x1e/0x40
[ 42.528273] ? __sanitizer_cov_trace_switch+0x54/0x90
[ 42.529245] ? static_key_count+0x60/0x80
[ 42.529992] prctl_set_seccomp+0x4e/0x70
[ 42.530765] __do_sys_prctl+0xe6c/0x1d70
[ 42.531554] ? __pfx___do_sys_prctl+0x10/0x10
[ 42.532411] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0
[ 42.533374] ? irqentry_exit+0xf3/0x650
[ 42.534089] do_syscall_64+0xbf/0x430
[ 42.534830] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 42.535778] RIP: 0033:0x7f45a81f25cd
[ 42.536497] Code: 00 48 89 44 24 18 31 c0 48 8d 44 24 60 c7 04 24 08 00 00 00 48 89 44 24 08 48 8d 44 24 20 48 89 44 24 10 b8 9d 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 1b 48 8b 4c 24 18 64 48 2b 0c 25 28 00 00 00
[ 42.539671] RSP: 002b:00007fff35aab630 EFLAGS: 00000246 ORIG_RAX: 000000000000009d
[ 42.541032] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f45a81f25cd
[ 42.542333] RDX: 0000556e36a70e00 RSI: 0000000000000002 RDI: 0000000000000016
[ 42.543634] RBP: 00007fff35aab690 R08: 0000000000000000 R09: 00007fff35aaad30
[ 42.544930] R10: 0000000000000000 R11: 0000000000000246 R12: 0000556e4af15b10
[ 42.546235] R13: 00007fff35aabac0 R14: 0000556e4af162b0 R15: 0000556e4af2a6f0
[ 42.547549]
[ 42.547982] irq event stamp: 1715
[ 42.548644] hardirqs last enabled at (1725): [] __up_console_sem+0x78/0x80
[ 42.550183] hardirqs last disabled at (1734): [] __up_console_sem+0x5d/0x80
[ 42.551708] softirqs last enabled at (1694): [] handle_softirqs+0x50c/0x770
[ 42.553261] softirqs last disabled at (1689): [] __irq_exit_rcu+0xc4/0x100
[ 42.554794] ---[ end trace 0000000000000000 ]---
[ 43.335540] ------------[ cut here ]------------
[ 43.336471] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code!
[ 43.338497] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#1: sshd/259
[ 43.339954] Modules linked in:
[ 43.340594] CPU: 1 UID: 104 PID: 259 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251117 #1 PREEMPT(voluntary)
[ 43.342619] Tainted: [W]=WARN
[ 43.343446] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014
[ 43.345286] RIP: 0010:vmalloc_fix_flags+0x91/0xd0
[ 43.346211] Code: e0 ad 11 00 81 e6 1f 52 ee ff 89 4c 24 40 89 74 24 30 90 48 c7 c7 00 38 f1 84 4c 8d 44 24 40 48 8d 54 24 30 e8 a0 7c 94 ff 90 <0f> 0b 90 90 8b 44 24 40 48 c7 03 00 00 00 00 c7 43 08 00 00 00 00
[ 43.349410] RSP: 0018:ffff88800a887bc0 EFLAGS: 00010286
[ 43.350394] RAX: 0000000000000000 RBX: ffffed1001510f78 RCX: ffffffff813a4050
[ 43.351672] RDX: ffff888016efd340 RSI: ffffffff813a405e RDI: 0000000000000001
[ 43.352954] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed1001510f2f
[ 43.354261] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0
[ 43.355532] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff88800a887df8
[ 43.356814] FS: 00007ff3a5c89900(0000) GS:ffff8880e548f000(0000) knlGS:0000000000000000
[ 43.358259] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 43.359325] CR2: 00007ffd212edef8 CR3: 0000000016fa8000 CR4: 0000000000350ef0
[ 43.360604] Call Trace:
[ 43.361057]
[ 43.361502] ? __pfx_vmalloc_fix_flags+0x10/0x10
[ 43.362397] ? __create_object+0x59/0x80
[ 43.363164] ? trace_irq_enable.constprop.0+0xc2/0x100
[ 43.364069] __vmalloc_noprof+0x59/0x60
[ 43.364813] bpf_prog_alloc_no_stats+0x55/0x470
[ 43.365678] ? __pfx_seccomp_check_filter+0x10/0x10
[ 43.366606] bpf_prog_alloc+0x39/0x200
[ 43.367339] ? __pfx_seccomp_check_filter+0x10/0x10
[ 43.368249] bpf_prog_create_from_user+0xb2/0x2f0
[ 43.369090] do_seccomp+0x349/0x25e0
[ 43.369815] ? find_held_lock+0x2b/0x80
[ 43.370564] ? do_prlimit+0x310/0x610
[ 43.371298] ? __pfx_do_seccomp+0x10/0x10
[ 43.372028] ? do_raw_spin_unlock+0x53/0x220
[ 43.372852] ? _raw_spin_unlock+0x1e/0x40
[ 43.373652] ? __sanitizer_cov_trace_switch+0x54/0x90
[ 43.374602] ? static_key_count+0x60/0x80
[ 43.375386] prctl_set_seccomp+0x4e/0x70
[ 43.376110] __do_sys_prctl+0xe6c/0x1d70
[ 43.376878] ? __pfx___do_sys_prctl+0x10/0x10
[ 43.377744] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0
[ 43.378704] ? irqentry_exit+0xf3/0x650
[ 43.379460] do_syscall_64+0xbf/0x430
[ 43.380184] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 43.381074] RIP: 0033:0x7ff3a617b5cd
[ 43.381782] Code: 00 48 89 44 24 18 31 c0 48 8d 44 24 60 c7 04 24 08 00 00 00 48 89 44 24 08 48 8d 44 24 20 48 89 44 24 10 b8 9d 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 1b 48 8b 4c 24 18 64 48 2b 0c 25 28 00 00 00
[ 43.384919] RSP: 002b:00007ffd212ec870 EFLAGS: 00000246 ORIG_RAX: 000000000000009d
[ 43.386307] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007ff3a617b5cd
[ 43.387570] RDX: 000055aa3d5f2e00 RSI: 0000000000000002 RDI: 0000000000000016
[ 43.388845] RBP: 00007ffd212ec8d0 R08: 0000000000000000 R09: 00007ffd212ebf70
[ 43.390148] R10: 0000000000000000 R11: 0000000000000246 R12: 000055aa74f92ad0
[ 43.391418] R13: 00007ffd212ecd00 R14: 000055aa74f93bc0 R15: 000055aa74fa4780
[ 43.392705]
[ 43.393148] irq event stamp: 1913
[ 43.393766] hardirqs last enabled at (1923): [] __up_console_sem+0x78/0x80
[ 43.395271] hardirqs last disabled at (1932): [] __up_console_sem+0x5d/0x80
[ 43.396766] softirqs last enabled at (1834): [] handle_softirqs+0x50c/0x770
[ 43.398294] softirqs last disabled at (1829): [] __irq_exit_rcu+0xc4/0x100
[ 43.399789] ---[ end trace 0000000000000000 ]---
Warning: Permanently added '[localhost]:53657' (ECDSA) to the list of known hosts.
2025/11/17 18:22:28 fuzzer started
2025/11/17 18:22:28 dialing manager at localhost:37895
2025/11/17 18:22:28 checking machine...
2025/11/17 18:22:28 checking revisions...
[ 44.307690] kmemleak: Automatic memory scanning thread ended
2025/11/17 18:22:28 testing simple program...
[ 44.402115] cgroup: Unknown subsys name 'net'
[ 44.455479] cgroup: Unknown subsys name 'cpuset'
[ 44.472909] cgroup: Unknown subsys name 'rlimit'
executing program
executing program
VM DIAGNOSIS:
18:22:27 Registers:
info registers vcpu 0
RAX=dffffc0000000000 RBX=0000000000000001 RCX=0000000000000000 RDX=ffffea00007d4000
RSI=1ffffd40000a9b12 RDI=ffffea000054d890 RBP=ffff88806ce3cd80 RSP=ffff8880160d7478
R8 =0000000000000000 R9 =0000000000000000 R10=ffffffff8664f657 R11=0000000000000001
R12=ffff88806ce3cdf0 R13=0000000000000001 R14=ffffea000054d888 R15=ffffea00007d4008
RIP=ffffffff81a969d6 RFL=00000246 [---Z-P-] CPL=0 II=0 A20=1 SMM=0 HLT=0
ES =0000 0000000000000000 00000000 00000000
CS =0010 0000000000000000 ffffffff 00a09b00 DPL=0 CS64 [-RA]
SS =0018 0000000000000000 ffffffff 00c09300 DPL=0 DS [-WA]
DS =0000 0000000000000000 00000000 00000000
FS =0000 00007f45a7d00900 00000000 00000000
GS =0000 ffff8880e538f000 00000000 00000000
LDT=0000 fffffe5a00000000 00000000 00000000
TR =0040 fffffe0000003000 00004087 00008b00 DPL=0 TSS64-busy
GDT= fffffe0000001000 0000007f
IDT= fffffe0000000000 00000fff
CR0=80050033 CR2=00007f45a7cdf020 CR3=00000000135b9000 CR4=00350ef0
DR0=0000000000000000 DR1=0000000000000000 DR2=0000000000000000 DR3=0000000000000000
DR6=00000000ffff0ff0 DR7=0000000000000400
EFER=0000000000000d01
FCW=037f FSW=0000 [ST=0] FTW=00 MXCSR=00001f80
FPR0=0000000000000000 0000 FPR1=0000000000000000 0000
FPR2=0000000000000000 0000 FPR3=0000000000000000 0000
FPR4=0000000000000000 0000 FPR5=0000000000000000 0000
FPR6=0000000000000000 0000 FPR7=0000000000000000 0000
XMM00=00000000000000000000000000000000 XMM01=652022746f6f72223d74636361207469
XMM02=3d6c616e696d72657420322e322e302e XMM03=3d656d616e74736f682022646873732f
XMM04=40404040404040404040404040404040 XMM05=5a5a5a5a5a5a5a5a5a5a5a5a5a5a5a5a
XMM06=20202020202020202020202020202020 XMM07=00000000000000000000000000000000
XMM08=652075253d64692073253d706f000000 XMM09=00000000000000000000000000000000
XMM10=00000000000000000000000000000000 XMM11=00000000000000000000000000000000
XMM12=00000000000000000000000000000000 XMM13=00000000000000000000000000000000
XMM14=00000000000000000000000000000000 XMM15=00000000000000000000000000000000
info registers vcpu 1
RAX=ffffffff87cecb40 RBX=ffff888009643780 RCX=0000000000000200 RDX=0000000000000008
RSI=ffff888009644200 RDI=ffff8880096441d8 RBP=ffff8880096441d8 RSP=ffff88806cf088c8
R8 =0000000000000001 R9 =0000000000000000 R10=0000000000000001 R11=0000000000000000
R12=ffff888009644200 R13=b503ba001073dead R14=0000000000000000 R15=0000000000000001
RIP=ffffffff81527a64 RFL=00000086 [--S--P-] CPL=0 II=0 A20=1 SMM=0 HLT=0
ES =0000 0000000000000000 00000000 00000000
CS =0010 0000000000000000 ffffffff 00a09b00 DPL=0 CS64 [-RA]
SS =0018 0000000000000000 ffffffff 00c09300 DPL=0 DS [-WA]
DS =0000 0000000000000000 00000000 00000000
FS =0000 0000000000000000 00000000 00000000
GS =0000 ffff8880e548f000 00000000 00000000
LDT=0000 fffffe3d00000000 00000000 00000000
TR =0040 fffffe000004a000 00004087 00008b00 DPL=0 TSS64-busy
GDT= fffffe0000048000 0000007f
IDT= fffffe0000000000 00000fff
CR0=80050033 CR2=0000556e4af53148 CR3=000000000dd58000 CR4=00350ef0
DR0=0000000000000000 DR1=0000000000000000 DR2=0000000000000000 DR3=0000000000000000
DR6=00000000ffff0ff0 DR7=0000000000000400
EFER=0000000000000d01
FCW=037f FSW=0000 [ST=0] FTW=00 MXCSR=00001f80
FPR0=0000000000000000 0000 FPR1=0000000000000000 0000
FPR2=0000000000000000 0000 FPR3=0000000000000000 0000
FPR4=0000000000000000 0000 FPR5=0000000000000000 0000
FPR6=0000000000000000 0000 FPR7=0000000000000000 0000
XMM00=00000000000000000000000000000000 XMM01=8202fe9f8cfc2ba03843d40f6b3481d3
XMM02=2c67c8bc2e329bc30000000000304180 XMM03=fb795ef6d6577056000000000030f728
XMM04=e31459a5721b5b5800000000000ae988 XMM05=c258be92829b3f28000000000031fec8
XMM06=a619ff6380376af5000000000031fd50 XMM07=e042d86d42eb936e000000000030fa00
XMM08=d7b2db2e175fb08600000000003041e0 XMM09=00000000000000000000000000000000
XMM10=20200000000020202020202020200000 XMM11=00000000000000000000000000000000
XMM12=00000000000000000000000000000000 XMM13=00000000000000000000000000000000
XMM14=00000000000000000000000000000000 XMM15=00000000000000000000000000000000