[ 46.268454] ------------[ cut here ]------------
[ 46.269365] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code!
[ 46.271385] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#1: sshd/235
[ 46.272842] Modules linked in:
[ 46.273428] CPU: 1 UID: 104 PID: 235 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251117 #1 PREEMPT(voluntary)
[ 46.275398] Tainted: [W]=WARN
[ 46.275980] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014
[ 46.277462] RIP: 0010:vmalloc_fix_flags+0x91/0xd0
[ 46.278360] 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
[ 46.281501] RSP: 0018:ffff888015d67bc0 EFLAGS: 00010286
[ 46.282484] RAX: 0000000000000000 RBX: ffffed1002bacf78 RCX: ffffffff813a4050
[ 46.283752] RDX: ffff8880158a9bc0 RSI: ffffffff813a405e RDI: 0000000000000001
[ 46.285059] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed1002bacf2f
[ 46.286339] R10: 0000000000000000 R11: 0000000000000001 R12: 0000000000400dc0
[ 46.287606] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff888015d67df8
[ 46.288894] FS: 00007f356eb1d900(0000) GS:ffff8880e548f000(0000) knlGS:0000000000000000
[ 46.290331] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 46.291391] CR2: 00007fffea87bef7 CR3: 000000000b996000 CR4: 0000000000350ef0
[ 46.292698] Call Trace:
[ 46.293200]
[ 46.293606] ? __pfx_vmalloc_fix_flags+0x10/0x10
[ 46.294499] ? __create_object+0x59/0x80
[ 46.295279] ? trace_irq_enable.constprop.0+0xc2/0x100
[ 46.296256] __vmalloc_noprof+0x59/0x60
[ 46.297011] bpf_prog_alloc_no_stats+0x55/0x470
[ 46.297879] ? __pfx_seccomp_check_filter+0x10/0x10
[ 46.298769] bpf_prog_alloc+0x39/0x200
[ 46.299519] ? __pfx_seccomp_check_filter+0x10/0x10
[ 46.300453] bpf_prog_create_from_user+0xb2/0x2f0
[ 46.301355] do_seccomp+0x349/0x25e0
[ 46.302074] ? find_held_lock+0x2b/0x80
[ 46.302839] ? do_prlimit+0x310/0x610
[ 46.303536] ? __pfx_do_seccomp+0x10/0x10
[ 46.304330] ? do_raw_spin_unlock+0x53/0x220
[ 46.305174] ? _raw_spin_unlock+0x1e/0x40
[ 46.305944] ? __sanitizer_cov_trace_switch+0x54/0x90
[ 46.306888] ? static_key_count+0x60/0x80
[ 46.307644] prctl_set_seccomp+0x4e/0x70
[ 46.308423] __do_sys_prctl+0xe6c/0x1d70
[ 46.309192] ? __pfx___do_sys_prctl+0x10/0x10
[ 46.310145] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0
Debian GNU/Linux 11 syzkaller ttyS0
syzkaller login: [ 46.311114] ? irqentry_exit+0xf3/0x650
[ 46.313025] do_syscall_64+0xbf/0x430
[ 46.313725] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 46.314662] RIP: 0033:0x7f356f00f5cd
[ 46.315367] 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
[ 46.318542] RSP: 002b:00007fffea87a830 EFLAGS: 00000246 ORIG_RAX: 000000000000009d
[ 46.319896] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f356f00f5cd
[ 46.321202] RDX: 000055c422015e00 RSI: 0000000000000002 RDI: 0000000000000016
[ 46.322475] RBP: 00007fffea87a890 R08: 0000000000000000 R09: 00007fffea879f30
[ 46.323757] R10: 0000000000000000 R11: 0000000000000246 R12: 000055c45f2d2ad0
[ 46.325074] R13: 00007fffea87acc0 R14: 000055c45f2d3bc0 R15: 000055c45f2e4780
[ 46.326368]
[ 46.326819] irq event stamp: 1757
[ 46.327417] hardirqs last enabled at (1765): [] __up_console_sem+0x78/0x80
[ 46.328940] hardirqs last disabled at (1774): [] __up_console_sem+0x5d/0x80
[ 46.330476] softirqs last enabled at (1728): [] handle_softirqs+0x50c/0x770
[ 46.332029] softirqs last disabled at (1721): [] __irq_exit_rcu+0xc4/0x100
[ 46.333575] ---[ end trace 0000000000000000 ]---
[ 49.822890] ------------[ cut here ]------------
[ 49.823771] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code!
[ 49.825925] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#1: sshd/243
[ 49.827572] Modules linked in:
[ 49.828670] CPU: 1 UID: 104 PID: 243 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251117 #1 PREEMPT(voluntary)
[ 49.830671] Tainted: [W]=WARN
[ 49.831258] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014
[ 49.832732] RIP: 0010:vmalloc_fix_flags+0x91/0xd0
[ 49.833638] 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
[ 49.836836] RSP: 0018:ffff88801b14fbc0 EFLAGS: 00010286
[ 49.837768] RAX: 0000000000000000 RBX: ffffed1003629f78 RCX: ffffffff813a4050
[ 49.839058] RDX: ffff888015c69bc0 RSI: ffffffff813a405e RDI: 0000000000000001
[ 49.840345] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed1003629f2f
[ 49.841624] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0
[ 49.842898] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff88801b14fdf8
[ 49.844201] FS: 00007fea9af5d900(0000) GS:ffff8880e548f000(0000) knlGS:0000000000000000
[ 49.845629] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 49.846695] CR2: 00007ffc04893ef7 CR3: 0000000009cd0000 CR4: 0000000000350ef0
[ 49.847983] Call Trace:
[ 49.848455]
[ 49.848912] ? __pfx_vmalloc_fix_flags+0x10/0x10
[ 49.849826] ? __create_object+0x59/0x80
[ 49.850560] ? trace_irq_enable.constprop.0+0xc2/0x100
[ 49.851516] __vmalloc_noprof+0x59/0x60
[ 49.852277] bpf_prog_alloc_no_stats+0x55/0x470
[ 49.853150] ? __pfx_seccomp_check_filter+0x10/0x10
[ 49.854080] bpf_prog_alloc+0x39/0x200
[ 49.854820] ? __pfx_seccomp_check_filter+0x10/0x10
[ 49.855699] bpf_prog_create_from_user+0xb2/0x2f0
[ 49.856611] do_seccomp+0x349/0x25e0
[ 49.857320] ? find_held_lock+0x2b/0x80
[ 49.858081] ? do_prlimit+0x310/0x610
[ 49.858842] ? __pfx_do_seccomp+0x10/0x10
[ 49.859599] ? do_raw_spin_unlock+0x53/0x220
[ 49.860446] ? _raw_spin_unlock+0x1e/0x40
[ 49.861227] ? __sanitizer_cov_trace_switch+0x54/0x90
[ 49.862192] ? static_key_count+0x60/0x80
[ 49.863004] prctl_set_seccomp+0x4e/0x70
[ 49.863757] __do_sys_prctl+0xe6c/0x1d70
[ 49.864571] ? __pfx___do_sys_prctl+0x10/0x10
[ 49.865434] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0
[ 49.866405] ? irqentry_exit+0xf3/0x650
[ 49.867173] do_syscall_64+0xbf/0x430
[ 49.867927] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 49.868894] RIP: 0033:0x7fea9b44f5cd
[ 49.869563] 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
[ 49.872767] RSP: 002b:00007ffc048918c0 EFLAGS: 00000246 ORIG_RAX: 000000000000009d
[ 49.874181] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007fea9b44f5cd
[ 49.875457] RDX: 000055cf1fee1e00 RSI: 0000000000000002 RDI: 0000000000000016
[ 49.876765] RBP: 00007ffc04891920 R08: 0000000000000000 R09: 00007ffc04890fc0
[ 49.878083] R10: 0000000000000000 R11: 0000000000000246 R12: 000055cf557c1ad0
[ 49.879371] R13: 00007ffc04891d50 R14: 000055cf557c2bc0 R15: 000055cf557d3780
[ 49.880675]
[ 49.881090] irq event stamp: 1909
[ 49.881595] hardirqs last enabled at (1917): [] __up_console_sem+0x78/0x80
[ 49.882869] hardirqs last disabled at (1926): [] __up_console_sem+0x5d/0x80
[ 49.884147] softirqs last enabled at (1906): [] handle_softirqs+0x50c/0x770
[ 49.885456] softirqs last disabled at (1901): [] __irq_exit_rcu+0xc4/0x100
[ 49.886721] ---[ end trace 0000000000000000 ]---
[ 50.651187] ------------[ cut here ]------------
[ 50.652124] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code!
[ 50.654175] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#1: sshd/250
[ 50.655879] Modules linked in:
[ 50.656498] CPU: 1 UID: 104 PID: 250 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251117 #1 PREEMPT(voluntary)
[ 50.658533] Tainted: [W]=WARN
[ 50.659181] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014
[ 50.660708] RIP: 0010:vmalloc_fix_flags+0x91/0xd0
[ 50.661638] 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
[ 50.664820] RSP: 0018:ffff88800abf7bc0 EFLAGS: 00010286
[ 50.665760] RAX: 0000000000000000 RBX: ffffed100157ef78 RCX: ffffffff813a4050
[ 50.667095] RDX: ffff888015c6b780 RSI: ffffffff813a405e RDI: 0000000000000001
[ 50.668409] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed100157ef2f
[ 50.669701] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0
[ 50.670992] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff88800abf7df8
[ 50.672292] FS: 00007f6a8f022900(0000) GS:ffff8880e548f000(0000) knlGS:0000000000000000
[ 50.673739] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 50.674811] CR2: 00007f6a8f514580 CR3: 000000000c9de000 CR4: 0000000000350ef0
[ 50.676107] Call Trace:
[ 50.676609]
[ 50.677076] ? __pfx_vmalloc_fix_flags+0x10/0x10
[ 50.677989] ? __create_object+0x59/0x80
[ 50.678735] ? trace_irq_enable.constprop.0+0xc2/0x100
[ 50.679714] __vmalloc_noprof+0x59/0x60
[ 50.680490] bpf_prog_alloc_no_stats+0x55/0x470
[ 50.681372] ? __pfx_seccomp_check_filter+0x10/0x10
[ 50.682316] bpf_prog_alloc+0x39/0x200
[ 50.683064] ? __pfx_seccomp_check_filter+0x10/0x10
[ 50.683995] bpf_prog_create_from_user+0xb2/0x2f0
[ 50.684925] do_seccomp+0x349/0x25e0
[ 50.685602] ? __pfx_css_rstat_updated+0x10/0x10
[ 50.686508] ? __pfx_do_seccomp+0x10/0x10
[ 50.687303] ? find_held_lock+0x2b/0x80
[ 50.688064] ? __sanitizer_cov_trace_switch+0x54/0x90
[ 50.689048] ? static_key_count+0x60/0x80
[ 50.689851] prctl_set_seccomp+0x4e/0x70
[ 50.690587] __do_sys_prctl+0xe6c/0x1d70
[ 50.691372] ? __pfx___do_sys_prctl+0x10/0x10
[ 50.692256] ? trace_irq_enable.constprop.0+0xc2/0x100
[ 50.693226] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0
[ 50.694201] ? irqentry_exit+0xf3/0x650
[ 50.694966] do_syscall_64+0xbf/0x430
[ 50.695668] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 50.696634] RIP: 0033:0x7f6a8f5145cd
[ 50.697338] 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
[ 50.700528] RSP: 002b:00007ffc112dc450 EFLAGS: 00000246 ORIG_RAX: 000000000000009d
[ 50.701911] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f6a8f5145cd
[ 50.703200] RDX: 0000563d03e44e00 RSI: 0000000000000002 RDI: 0000000000000016
[ 50.704495] RBP: 00007ffc112dc4b0 R08: 0000000000000000 R09: 00007ffc112dbb50
[ 50.705815] R10: 0000000000000000 R11: 0000000000000246 R12: 0000563d157cf240
[ 50.707116] R13: 00007ffc112dc8e0 R14: 0000563d157cebf0 R15: 0000563d157e34d0
[ 50.708418]
[ 50.708806] irq event stamp: 1817
[ 50.709313] hardirqs last enabled at (1825): [] __up_console_sem+0x78/0x80
[ 50.710603] hardirqs last disabled at (1834): [] __up_console_sem+0x5d/0x80
[ 50.711897] softirqs last enabled at (1794): [] handle_softirqs+0x50c/0x770
[ 50.713218] softirqs last disabled at (1789): [] __irq_exit_rcu+0xc4/0x100
[ 50.714495] ---[ end trace 0000000000000000 ]---
Warning: Permanently added '[localhost]:12348' (ECDSA) to the list of known hosts.
2025/11/17 21:23:26 fuzzer started
2025/11/17 21:23:26 dialing manager at localhost:37895
2025/11/17 21:23:26 checking machine...
2025/11/17 21:23:26 checking revisions...
[ 51.569754] kmemleak: Automatic memory scanning thread ended
2025/11/17 21:23:26 testing simple program...
[ 51.666523] cgroup: Unknown subsys name 'net'
[ 51.720619] cgroup: Unknown subsys name 'cpuset'
[ 51.734050] cgroup: Unknown subsys name 'rlimit'
executing program
executing program
executing program
VM DIAGNOSIS:
21:23:25 Registers:
info registers vcpu 0
RAX=dffffc0000000000 RBX=ffff888009611bc0 RCX=ffff888009627734 RDX=1ffff110012c23f8
RSI=ffffffff85e1ffe0 RDI=ffff888009611fbc RBP=ffff888009611bc0 RSP=ffff888009627740
R8 =0000000000000001 R9 =ffff888009627870 R10=000000000003c9ed R11=0000000000006e2e
R12=ffff888009611bc0 R13=ffff888009627878 R14=ffff888009627800 R15=ffff888009627830
RIP=ffffffff815d2a6f 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 0000000000000000 00000000 00000000
GS =0000 ffff8880e538f000 00000000 00000000
LDT=0000 fffffe4400000000 00000000 00000000
TR =0040 fffffe0000003000 00004087 00008b00 DPL=0 TSS64-busy
GDT= fffffe0000001000 0000007f
IDT= fffffe0000000000 00000fff
CR0=80050033 CR2=00007ffc0488b000 CR3=000000000dd49000 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=563412feff00545000000000000080fe XMM01=74696d7265705f6d61703d73726f746e
XMM02=000000000000000000000000000000ff XMM03=5320444f4854454d5f54505952434e45
XMM04=40404040404040404040404040404040 XMM05=5a5a5a5a5a5a5a5a5a5a5a5a5a5a5a5a
XMM06=20202020202020202020202020202020 XMM07=00000000000000000000000000000000
XMM08=61662029286e65706f5f746964756100 XMM09=00000000000000000000000000000000
XMM10=00000000000000000000000000000000 XMM11=00000000000000000000000000000000
XMM12=00000000000000000000000000000000 XMM13=00000000000000000000000000000000
XMM14=00000000000000000000000000000000 XMM15=00000000000000000000000000000000
info registers vcpu 1
RAX=0000000000024661 RBX=0000000000000001 RCX=ffffffff84c72d57 RDX=0000000000000000
RSI=0000000000000000 RDI=ffffffff814d2c90 RBP=dffffc0000000000 RSP=ffff8880096efe58
R8 =0000000000000001 R9 =ffffed100d9e639a R10=ffff88806cf31cd3 R11=0000000000000001
R12=ffffffff8664f650 R13=1ffff110012ddfd2 R14=0000000000000000 R15=0000000000000000
RIP=ffffffff84c7174e RFL=00000202 [-------] CPL=0 II=0 A20=1 SMM=0 HLT=1
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 fffffe4400000000 00000000 00000000
TR =0040 fffffe000004a000 00004087 00008b00 DPL=0 TSS64-busy
GDT= fffffe0000048000 0000007f
IDT= fffffe0000000000 00000fff
CR0=80050033 CR2=00007ffe8dfca818 CR3=000000000de83000 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=61f4ec9fb8ef9eab254cb5d82d43df36
XMM02=2c67c8bc2e329bc30000000000302c30 XMM03=fb795ef6d6577056000000000030fbe8
XMM04=bf90c1010e1bc60600000000000ae988 XMM05=14648eaa1277bab1000000000031edd8
XMM06=817b8945e9d50373000000000031ec60 XMM07=e042d86d42eb936e0000000000310628
XMM08=4eb08fba99f0b1080000000000302c90 XMM09=00000000000000000000000000000000
XMM10=20200000000020202020202020200000 XMM11=00000000000000000000000000000000
XMM12=00000000000000000000000000000000 XMM13=00000000000000000000000000000000
XMM14=00000000000000000000000000000000 XMM15=00000000000000000000000000000000