[ 38.861082] ------------[ cut here ]------------
[ 38.862124] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code!
[ 38.864375] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#1: sshd/234
[ 38.866226] Modules linked in:
[ 38.867009] CPU: 1 UID: 104 PID: 234 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251118 #1 PREEMPT(voluntary)
[ 38.869224] Tainted: [W]=WARN
[ 38.869905] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014
[ 38.871541] RIP: 0010:vmalloc_fix_flags+0x91/0xd0
[ 38.872552] Code: e0 ad 11 00 81 e6 1f 52 ee ff 89 4c 24 40 89 74 24 30 90 48 c7 c7 40 38 f1 84 4c 8d 44 24 40 48 8d 54 24 30 e8 30 7b 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
[ 38.876090] RSP: 0018:ffff888009e4fbc0 EFLAGS: 00010286
[ 38.877198] RAX: 0000000000000000 RBX: ffffed10013c9f78 RCX: ffffffff813a4050
[ 38.878645] RDX: ffff8880186dd340 RSI: ffffffff813a405e RDI: 0000000000000001
[ 38.880083] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed10013c9f2f
[ 38.881515] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0
[ 38.882970] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff888009e4fdf8
[ 38.884416] FS: 00007f3370a5f900(0000) GS:ffff8880e548f000(0000) knlGS:0000000000000000
[ 38.886026] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 38.887070] CR2: 00007ffcc5e9bef8 CR3: 000000000dfe7000 CR4: 0000000000350ef0
[ 38.888353] Call Trace:
[ 38.888820]
[ 38.889223] ? __pfx_vmalloc_fix_flags+0x10/0x10
[ 38.890113] ? __create_object+0x59/0x80
[ 38.890882] ? trace_irq_enable.constprop.0+0xc2/0x100
[ 38.891838] __vmalloc_noprof+0x59/0x60
[ 38.892579] bpf_prog_alloc_no_stats+0x55/0x470
[ 38.893440] ? __pfx_seccomp_check_filter+0x10/0x10
[ 38.894367] bpf_prog_alloc+0x39/0x200
[ 38.895061] ? __pfx_seccomp_check_filter+0x10/0x10
[ 38.895981] bpf_prog_create_from_user+0xb2/0x2f0
[ 38.896882] do_seccomp+0x349/0x25e0
[ 38.897608] ? find_held_lock+0x2b/0x80
[ 38.898368] ? do_prlimit+0x310/0x610
[ 38.899066] ? __pfx_do_seccomp+0x10/0x10
[ 38.899851] ? do_raw_spin_unlock+0x53/0x220
[ 38.900694] ? _raw_spin_unlock+0x1e/0x40
[ 38.901481] ? __sanitizer_cov_trace_switch+0x54/0x90
[ 38.902454] ? static_key_count+0x60/0x80
[ 38.903207] prctl_set_seccomp+0x4e/0x70
[ 38.903976] __do_sys_prctl+0xe6c/0x1d70
[ 38.904753] ? __pfx___do_sys_prctl+0x10/0x10
[ 38.905622] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0
[ 38.906593] ? irqentry_exit+0xf3/0x650
[ 38.907316] do_syscall_64+0xbf/0x430
[ 38.908060] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 38.909006] RIP: 0033:0x7f3370f515cd
[ 38.909713] 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
[ 38.912927] RSP: 002b:00007ffcc5e9a6d0 EFLAGS: 00000246 ORIG_RAX: 000000000000009d
[ 38.914332] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f3370f515cd
[ 38.915642] RDX: 000055c949554e00 RSI: 0000000000000002 RDI: 0000000000000016
[ 38.916937] RBP: 00007ffcc5e9a730 R08: 0000000000000000 R09: 00007ffcc5e99dd0
[ 38.918260] R10: 0000000000000000 R11: 0000000000000246 R12: 000055c967e79ad0
[ 38.919550] R13: 00007ffcc5e9ab60 R14: 000055c967e7abc0 R15: 000055c967e8b780
[ 38.920873]
[ 38.921298] irq event stamp: 1847
[ 38.921950] hardirqs last enabled at (1857): [] __up_console_sem+0x78/0x80
[ 38.923057] hardirqs last disabled at (1866): [] __up_console_sem+0x5d/0x80
[ 38.924174] softirqs last enabled at (1784): [] handle_softirqs+0x50c/0x770
[ 38.925308] softirqs last disabled at (1779): [] __irq_exit_rcu+0xc4/0x100
[ 38.926520] ---[ end trace 0000000000000000 ]---
Debian GNU/Linux 11 syzkaller ttyS0
syzkaller login: [ 41.831772] ------------[ cut here ]------------
[ 41.832697] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code!
[ 41.834673] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#0: sshd/242
[ 41.836132] Modules linked in:
[ 41.836819] CPU: 0 UID: 104 PID: 242 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251118 #1 PREEMPT(voluntary)
[ 41.838834] Tainted: [W]=WARN
[ 41.839428] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014
[ 41.840929] RIP: 0010:vmalloc_fix_flags+0x91/0xd0
[ 41.841870] Code: e0 ad 11 00 81 e6 1f 52 ee ff 89 4c 24 40 89 74 24 30 90 48 c7 c7 40 38 f1 84 4c 8d 44 24 40 48 8d 54 24 30 e8 30 7b 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
[ 41.845047] RSP: 0018:ffff8880187b7bc0 EFLAGS: 00010286
[ 41.846034] RAX: 0000000000000000 RBX: ffffed10030f6f78 RCX: ffffffff813a4050
[ 41.847349] RDX: ffff888016b03780 RSI: ffffffff813a405e RDI: 0000000000000001
[ 41.848636] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed10030f6f2f
[ 41.849929] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0
[ 41.851215] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff8880187b7df8
[ 41.852498] FS: 00007efe7357b900(0000) GS:ffff8880e538f000(0000) knlGS:0000000000000000
[ 41.853944] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 41.855016] CR2: 00007ffd28d10ef8 CR3: 000000001f1a5000 CR4: 0000000000350ef0
[ 41.856298] Call Trace:
[ 41.856790]
[ 41.857207] ? __pfx_vmalloc_fix_flags+0x10/0x10
[ 41.858102] ? __create_object+0x59/0x80
[ 41.858887] ? trace_irq_enable.constprop.0+0xc2/0x100
[ 41.859859] __vmalloc_noprof+0x59/0x60
[ 41.860615] bpf_prog_alloc_no_stats+0x55/0x470
[ 41.861489] ? __pfx_seccomp_check_filter+0x10/0x10
[ 41.862438] bpf_prog_alloc+0x39/0x200
[ 41.863130] ? __pfx_seccomp_check_filter+0x10/0x10
[ 41.864060] bpf_prog_create_from_user+0xb2/0x2f0
[ 41.864960] do_seccomp+0x349/0x25e0
[ 41.865683] ? find_held_lock+0x2b/0x80
[ 41.866442] ? do_prlimit+0x310/0x610
[ 41.867149] ? __pfx_do_seccomp+0x10/0x10
[ 41.867933] ? do_raw_spin_unlock+0x53/0x220
[ 41.868769] ? _raw_spin_unlock+0x1e/0x40
[ 41.869552] ? __sanitizer_cov_trace_switch+0x54/0x90
[ 41.870542] ? static_key_count+0x60/0x80
[ 41.871299] prctl_set_seccomp+0x4e/0x70
[ 41.872077] __do_sys_prctl+0xe6c/0x1d70
[ 41.872856] ? __pfx___do_sys_prctl+0x10/0x10
[ 41.873706] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0
[ 41.874672] ? irqentry_exit+0xf3/0x650
[ 41.875438] do_syscall_64+0xbf/0x430
[ 41.876122] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 41.877084] RIP: 0033:0x7efe73a6d5cd
[ 41.877799] 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
[ 41.881184] RSP: 002b:00007ffd28d0f210 EFLAGS: 00000246 ORIG_RAX: 000000000000009d
[ 41.882842] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007efe73a6d5cd
[ 41.884130] RDX: 000055ce381fde00 RSI: 0000000000000002 RDI: 0000000000000016
[ 41.885404] RBP: 00007ffd28d0f270 R08: 0000000000000000 R09: 00007ffd28d0e910
[ 41.886684] R10: 0000000000000000 R11: 0000000000000246 R12: 000055ce6bd8bad0
[ 41.887967] R13: 00007ffd28d0f6a0 R14: 000055ce6bd8cbc0 R15: 000055ce6bd9d780
[ 41.889500]
[ 41.890160] irq event stamp: 1749
[ 41.890987] hardirqs last enabled at (1761): [] __up_console_sem+0x78/0x80
[ 41.892497] hardirqs last disabled at (1770): [] __up_console_sem+0x5d/0x80
[ 41.894037] softirqs last enabled at (1684): [] handle_softirqs+0x50c/0x770
[ 41.895582] softirqs last disabled at (1677): [] __irq_exit_rcu+0xc4/0x100
[ 41.897101] ---[ end trace 0000000000000000 ]---
[ 42.692035] ------------[ cut here ]------------
[ 42.693002] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code!
[ 42.695000] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#1: sshd/250
[ 42.696450] Modules linked in:
[ 42.697029] CPU: 1 UID: 104 PID: 250 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251118 #1 PREEMPT(voluntary)
[ 42.699017] Tainted: [W]=WARN
[ 42.699613] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014
[ 42.701053] RIP: 0010:vmalloc_fix_flags+0x91/0xd0
[ 42.701977] Code: e0 ad 11 00 81 e6 1f 52 ee ff 89 4c 24 40 89 74 24 30 90 48 c7 c7 40 38 f1 84 4c 8d 44 24 40 48 8d 54 24 30 e8 30 7b 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
[ 42.705095] RSP: 0018:ffff888016abfbc0 EFLAGS: 00010286
[ 42.706097] RAX: 0000000000000000 RBX: ffffed1002d57f78 RCX: ffffffff813a4050
[ 42.707372] RDX: ffff8880160c3780 RSI: ffffffff813a405e RDI: 0000000000000001
[ 42.708640] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed1002d57f2f
[ 42.709924] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0
[ 42.711203] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff888016abfdf8
[ 42.712493] FS: 00007f0d18a2c900(0000) GS:ffff8880e548f000(0000) knlGS:0000000000000000
[ 42.713940] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 42.715001] CR2: 00007fff74fe5ef8 CR3: 000000000c07a000 CR4: 0000000000350ef0
[ 42.716288] Call Trace:
[ 42.716786]
[ 42.717202] ? __pfx_vmalloc_fix_flags+0x10/0x10
[ 42.718108] ? __create_object+0x59/0x80
[ 42.718890] ? trace_irq_enable.constprop.0+0xc2/0x100
[ 42.719849] __vmalloc_noprof+0x59/0x60
[ 42.720602] bpf_prog_alloc_no_stats+0x55/0x470
[ 42.721468] ? __pfx_seccomp_check_filter+0x10/0x10
[ 42.722413] bpf_prog_alloc+0x39/0x200
[ 42.723093] ? __pfx_seccomp_check_filter+0x10/0x10
[ 42.723997] bpf_prog_create_from_user+0xb2/0x2f0
[ 42.724895] do_seccomp+0x349/0x25e0
[ 42.725616] ? find_held_lock+0x2b/0x80
[ 42.726375] ? do_prlimit+0x310/0x610
[ 42.727061] ? __pfx_do_seccomp+0x10/0x10
[ 42.727832] ? do_raw_spin_unlock+0x53/0x220
[ 42.728651] ? _raw_spin_unlock+0x1e/0x40
[ 42.729422] ? __sanitizer_cov_trace_switch+0x54/0x90
[ 42.730401] ? static_key_count+0x60/0x80
[ 42.731154] prctl_set_seccomp+0x4e/0x70
[ 42.731923] __do_sys_prctl+0xe6c/0x1d70
[ 42.732689] ? __pfx___do_sys_prctl+0x10/0x10
[ 42.733541] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0
[ 42.734502] ? irqentry_exit+0xf3/0x650
[ 42.735203] do_syscall_64+0xbf/0x430
[ 42.735930] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 42.736873] RIP: 0033:0x7f0d18f1e5cd
[ 42.737562] 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
[ 42.740703] RSP: 002b:00007fff74fe4550 EFLAGS: 00000246 ORIG_RAX: 000000000000009d
[ 42.742060] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f0d18f1e5cd
[ 42.743351] RDX: 0000557cda1dbe00 RSI: 0000000000000002 RDI: 0000000000000016
[ 42.744602] RBP: 00007fff74fe45b0 R08: 0000000000000000 R09: 00007fff74fe3c50
[ 42.745898] R10: 0000000000000000 R11: 0000000000000246 R12: 0000557d18d9ab10
[ 42.747156] R13: 00007fff74fe49e0 R14: 0000557d18d9b2b0 R15: 0000557d18daf6f0
[ 42.748442]
[ 42.748855] irq event stamp: 1713
[ 42.749495] hardirqs last enabled at (1723): [] __up_console_sem+0x78/0x80
[ 42.751011] hardirqs last disabled at (1732): [] __up_console_sem+0x5d/0x80
[ 42.752515] softirqs last enabled at (1228): [] handle_softirqs+0x50c/0x770
[ 42.754037] softirqs last disabled at (1223): [] __irq_exit_rcu+0xc4/0x100
[ 42.755292] ---[ end trace 0000000000000000 ]---
Warning: Permanently added '[localhost]:36817' (ECDSA) to the list of known hosts.
2025/11/18 23:01:51 fuzzer started
2025/11/18 23:01:51 dialing manager at localhost:34383
2025/11/18 23:01:51 checking machine...
2025/11/18 23:01:51 checking revisions...
[ 43.525758] kmemleak: Automatic memory scanning thread ended
2025/11/18 23:01:51 testing simple program...
[ 43.609967] cgroup: Unknown subsys name 'net'
[ 43.650978] cgroup: Unknown subsys name 'cpuset'
[ 43.661397] cgroup: Unknown subsys name 'rlimit'
executing program
executing program
executing program
VM DIAGNOSIS:
23:01:50 Registers:
info registers vcpu 0
RAX=0000777f80000000 RBX=ffff88808e5bcae8 RCX=ffffffff813748f0 RDX=ffff888016b00000
RSI=ffffffff813746f0 RDI=0000000000000001 RBP=ffff888009e4faf0 RSP=ffff888009e4fa20
R8 =0000000000000001 R9 =0000000000000000 R10=0000000000000000 R11=0000000000000001
R12=ffffea000036d700 R13=0000000000000000 R14=ffff88800db5ca00 R15=ffff8880096c2780
RIP=ffffffff81b2a1a5 RFL=00000206 [-----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 00007efe7357b900 00000000 00000000
GS =0000 ffff8880e538f000 00000000 00000000
LDT=0000 fffffe6d00000000 00000000 00000000
TR =0040 fffffe0000003000 00004087 00008b00 DPL=0 TSS64-busy
GDT= fffffe0000001000 0000007f
IDT= fffffe0000000000 00000fff
CR0=80050033 CR2=00007ffd28d09000 CR3=000000001f1c6000 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=6720646572637465733a4d41503d706f 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=dffffc0000000001 RBX=0000000000000002 RCX=0000000000000000 RDX=ffffffff87aadee0
RSI=0000000000000002 RDI=ffffffff87aadec0 RBP=ffff88807ffdc640 RSP=ffff8880097878d8
R8 =000000000000001f R9 =0000000000000014 R10=ffffffff8664f857 R11=0000000000000001
R12=0000000000000001 R13=0000000000000000 R14=ffffffffffffffff R15=0000000000000000
RIP=ffffffff819814c8 RFL=00000206 [-----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 fffffe4300000000 00000000 00000000
TR =0040 fffffe000004a000 00004087 00008b00 DPL=0 TSS64-busy
GDT= fffffe0000048000 0000007f
IDT= fffffe0000000000 00000fff
CR0=80050033 CR2=00007fe5d7252320 CR3=000000000e57f000 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=2abc67628bb11faae14273ab953ca521
XMM02=2c67c8bc2e329bc30000000000306ce0 XMM03=fb795ef6d6577056000000000030fdc0
XMM04=587f9b5284ef8f4b00000000000ae988 XMM05=c5a66ec3451237ea0000000000320cd0
XMM06=5b75c91c8044534200000000003206c8 XMM07=e042d86d42eb936e0000000000310040
XMM08=af463ee0605643580000000000306d40 XMM09=00000000000000000000000000000000
XMM10=20200000000020202020202020200000 XMM11=00000000000000000000000000000000
XMM12=00000000000000000000000000000000 XMM13=00000000000000000000000000000000
XMM14=00000000000000000000000000000000 XMM15=00000000000000000000000000000000