[ 46.622985] ------------[ cut here ]------------
[ 46.623953] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code!
[ 46.625995] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#1: sshd/233
[ 46.627485] Modules linked in:
[ 46.628149] CPU: 1 UID: 104 PID: 233 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251117 #1 PREEMPT(voluntary)
[ 46.630111] Tainted: [W]=WARN
[ 46.630714] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014
[ 46.632203] RIP: 0010:vmalloc_fix_flags+0x91/0xd0
[ 46.633115] 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
[ 46.636296] RSP: 0018:ffff8880161afbc0 EFLAGS: 00010286
[ 46.637266] RAX: 0000000000000000 RBX: ffffed1002c35f78 RCX: ffffffff813a4050
[ 46.638532] RDX: ffff888013f63780 RSI: ffffffff813a405e RDI: 0000000000000001
[ 46.639805] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed1002c35f2f
[ 46.641129] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0
[ 46.642435] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff8880161afdf8
[ 46.643697] FS: 00007fb63e1e0900(0000) GS:ffff8880e548f000(0000) knlGS:0000000000000000
Debian GNU/Linux 11 syzkaller ttyS0
syzkaller [ 46.645302] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
login: [ 46.647630] CR2: 00007ffc0e1d8ef7 CR3: 000000000cc01000 CR4: 0000000000350ef0
[ 46.648989] Call Trace:
[ 46.649446]
[ 46.649907] ? __pfx_vmalloc_fix_flags+0x10/0x10
[ 46.650802] ? __create_object+0x59/0x80
[ 46.651529] ? trace_irq_enable.constprop.0+0xc2/0x100
[ 46.652532] __vmalloc_noprof+0x59/0x60
[ 46.653279] bpf_prog_alloc_no_stats+0x55/0x470
[ 46.654161] ? __pfx_seccomp_check_filter+0x10/0x10
[ 46.655093] bpf_prog_alloc+0x39/0x200
[ 46.655809] ? __pfx_seccomp_check_filter+0x10/0x10
[ 46.656777] bpf_prog_create_from_user+0xb2/0x2f0
[ 46.657679] do_seccomp+0x349/0x25e0
[ 46.658346] ? find_held_lock+0x2b/0x80
[ 46.659109] ? do_prlimit+0x310/0x610
[ 46.659854] ? __pfx_do_seccomp+0x10/0x10
[ 46.660634] ? do_raw_spin_unlock+0x53/0x220
[ 46.661481] ? _raw_spin_unlock+0x1e/0x40
[ 46.662278] ? __sanitizer_cov_trace_switch+0x54/0x90
[ 46.663240] ? static_key_count+0x60/0x80
[ 46.664084] prctl_set_seccomp+0x4e/0x70
[ 46.664868] __do_sys_prctl+0xe6c/0x1d70
[ 46.665602] ? __pfx___do_sys_prctl+0x10/0x10
[ 46.666482] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0
[ 46.667470] ? irqentry_exit+0xf3/0x650
[ 46.668279] do_syscall_64+0xbf/0x430
[ 46.669036] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 46.670011] RIP: 0033:0x7fb63e6d25cd
[ 46.670727] 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
[ 46.673968] RSP: 002b:00007ffc0e1d6c80 EFLAGS: 00000246 ORIG_RAX: 000000000000009d
[ 46.675346] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007fb63e6d25cd
[ 46.676699] RDX: 0000563e086a5e00 RSI: 0000000000000002 RDI: 0000000000000016
[ 46.677993] RBP: 00007ffc0e1d6ce0 R08: 0000000000000000 R09: 00007ffc0e1d6380
[ 46.679279] R10: 0000000000000000 R11: 0000000000000246 R12: 0000563e447c8ad0
[ 46.680595] R13: 00007ffc0e1d7110 R14: 0000563e447c9bc0 R15: 0000563e447da780
[ 46.681694]
[ 46.682048] irq event stamp: 1881
[ 46.682546] hardirqs last enabled at (1889): [] __up_console_sem+0x78/0x80
[ 46.683824] hardirqs last disabled at (1898): [] __up_console_sem+0x5d/0x80
[ 46.685145] softirqs last enabled at (1830): [] handle_softirqs+0x50c/0x770
[ 46.686444] softirqs last disabled at (1825): [] __irq_exit_rcu+0xc4/0x100
[ 46.687714] ---[ end trace 0000000000000000 ]---
[ 50.078292] ------------[ cut here ]------------
[ 50.079217] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code!
[ 50.081196] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#1: sshd/240
[ 50.082622] Modules linked in:
[ 50.083231] CPU: 1 UID: 104 PID: 240 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251117 #1 PREEMPT(voluntary)
[ 50.085403] Tainted: [W]=WARN
[ 50.086182] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014
[ 50.087631] RIP: 0010:vmalloc_fix_flags+0x91/0xd0
[ 50.088957] 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
[ 50.092075] RSP: 0018:ffff888016a77bc0 EFLAGS: 00010286
[ 50.093225] RAX: 0000000000000000 RBX: ffffed1002d4ef78 RCX: ffffffff813a4050
[ 50.094557] RDX: ffff8880158d5340 RSI: ffffffff813a405e RDI: 0000000000000001
[ 50.095808] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed1002d4ef2f
[ 50.097081] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0
[ 50.098334] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff888016a77df8
[ 50.099598] FS: 00007f289b36f900(0000) GS:ffff8880e548f000(0000) knlGS:0000000000000000
[ 50.101001] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 50.102037] CR2: 00007ffda75f0ef7 CR3: 000000000a083000 CR4: 0000000000350ef0
[ 50.103290] Call Trace:
[ 50.103787]
[ 50.104202] ? __pfx_vmalloc_fix_flags+0x10/0x10
[ 50.105092] ? __create_object+0x59/0x80
[ 50.105853] ? trace_irq_enable.constprop.0+0xc2/0x100
[ 50.106800] __vmalloc_noprof+0x59/0x60
[ 50.107501] bpf_prog_alloc_no_stats+0x55/0x470
[ 50.108422] ? __pfx_seccomp_check_filter+0x10/0x10
[ 50.109343] bpf_prog_alloc+0x39/0x200
[ 50.110073] ? __pfx_seccomp_check_filter+0x10/0x10
[ 50.110997] bpf_prog_create_from_user+0xb2/0x2f0
[ 50.111891] do_seccomp+0x349/0x25e0
[ 50.112566] ? find_held_lock+0x2b/0x80
[ 50.113297] ? do_prlimit+0x310/0x610
[ 50.114032] ? __pfx_do_seccomp+0x10/0x10
[ 50.114824] ? do_raw_spin_unlock+0x53/0x220
[ 50.115598] ? _raw_spin_unlock+0x1e/0x40
[ 50.116375] ? __sanitizer_cov_trace_switch+0x54/0x90
[ 50.117317] ? static_key_count+0x60/0x80
[ 50.118105] prctl_set_seccomp+0x4e/0x70
[ 50.118874] __do_sys_prctl+0xe6c/0x1d70
[ 50.119603] ? __pfx___do_sys_prctl+0x10/0x10
[ 50.120457] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0
[ 50.121408] ? irqentry_exit+0xf3/0x650
[ 50.122145] do_syscall_64+0xbf/0x430
[ 50.122869] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 50.123798] RIP: 0033:0x7f289b8615cd
[ 50.124457] 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
[ 50.127539] RSP: 002b:00007ffda75eefd0 EFLAGS: 00000246 ORIG_RAX: 000000000000009d
[ 50.128879] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f289b8615cd
[ 50.130125] RDX: 0000555bf0227e00 RSI: 0000000000000002 RDI: 0000000000000016
[ 50.131376] RBP: 00007ffda75ef030 R08: 0000000000000000 R09: 00007ffda75ee6d0
[ 50.132660] R10: 0000000000000000 R11: 0000000000000246 R12: 0000555c2c3112b0
[ 50.133906] R13: 00007ffda75ef460 R14: 0000555c2c313d20 R15: 0000555c2c3258d0
[ 50.135180]
[ 50.135593] irq event stamp: 1877
[ 50.136223] hardirqs last enabled at (1887): [] __up_console_sem+0x78/0x80
[ 50.137700] hardirqs last disabled at (1896): [] __up_console_sem+0x5d/0x80
[ 50.139174] softirqs last enabled at (1798): [] handle_softirqs+0x50c/0x770
[ 50.140694] softirqs last disabled at (1793): [] __irq_exit_rcu+0xc4/0x100
[ 50.141957] ---[ end trace 0000000000000000 ]---
[ 50.960634] ------------[ cut here ]------------
[ 50.961380] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code!
[ 50.963023] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#0: sshd/247
[ 50.964200] Modules linked in:
[ 50.964723] CPU: 0 UID: 104 PID: 247 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251117 #1 PREEMPT(voluntary)
[ 50.966311] Tainted: [W]=WARN
[ 50.966800] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014
[ 50.967986] RIP: 0010:vmalloc_fix_flags+0x91/0xd0
[ 50.968720] 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
[ 50.971293] RSP: 0018:ffff88801697fbc0 EFLAGS: 00010286
[ 50.972091] RAX: 0000000000000000 RBX: ffffed1002d2ff78 RCX: ffffffff813a4050
[ 50.973127] RDX: ffff8880174f5340 RSI: ffffffff813a405e RDI: 0000000000000001
[ 50.974169] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed1002d2ff2f
[ 50.975203] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0
[ 50.976248] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff88801697fdf8
[ 50.977272] FS: 00007f6a20b30900(0000) GS:ffff8880e538f000(0000) knlGS:0000000000000000
[ 50.978424] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 50.979287] CR2: 00007ffe05abdef7 CR3: 000000001f1e9000 CR4: 0000000000350ef0
[ 50.980322] Call Trace:
[ 50.980754]
[ 50.981103] ? __pfx_vmalloc_fix_flags+0x10/0x10
[ 50.981866] ? __create_object+0x59/0x80
[ 50.982495] ? trace_irq_enable.constprop.0+0xc2/0x100
[ 50.983316] __vmalloc_noprof+0x59/0x60
[ 50.983969] bpf_prog_alloc_no_stats+0x55/0x470
[ 50.984711] ? __pfx_seccomp_check_filter+0x10/0x10
[ 50.985464] bpf_prog_alloc+0x39/0x200
[ 50.986099] ? __pfx_seccomp_check_filter+0x10/0x10
[ 50.986893] bpf_prog_create_from_user+0xb2/0x2f0
[ 50.987624] do_seccomp+0x349/0x25e0
[ 50.988250] ? find_held_lock+0x2b/0x80
[ 50.988903] ? do_prlimit+0x310/0x610
[ 50.989501] ? __pfx_do_seccomp+0x10/0x10
[ 50.990163] ? do_raw_spin_unlock+0x53/0x220
[ 50.990871] ? _raw_spin_unlock+0x1e/0x40
[ 50.991496] ? __sanitizer_cov_trace_switch+0x54/0x90
[ 50.992353] ? static_key_count+0x60/0x80
[ 50.993030] prctl_set_seccomp+0x4e/0x70
[ 50.993700] __do_sys_prctl+0xe6c/0x1d70
[ 50.994326] ? __pfx___do_sys_prctl+0x10/0x10
[ 50.995062] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0
[ 50.995888] ? irqentry_exit+0xf3/0x650
[ 50.996516] do_syscall_64+0xbf/0x430
[ 50.997147] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 50.997955] RIP: 0033:0x7f6a210225cd
[ 50.998515] 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
[ 51.001235] RSP: 002b:00007ffe05abc4f0 EFLAGS: 00000246 ORIG_RAX: 000000000000009d
[ 51.002398] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f6a210225cd
[ 51.003495] RDX: 00005602bb577e00 RSI: 0000000000000002 RDI: 0000000000000016
[ 51.004601] RBP: 00007ffe05abc550 R08: 0000000000000000 R09: 00007ffe05abbbf0
[ 51.005690] R10: 0000000000000000 R11: 0000000000000246 R12: 00005602d4f94ad0
[ 51.006785] R13: 00007ffe05abc980 R14: 00005602d4f95bc0 R15: 00005602d4fa6780
[ 51.007894]
[ 51.008265] irq event stamp: 1729
[ 51.008815] hardirqs last enabled at (1739): [] __up_console_sem+0x78/0x80
[ 51.010112] hardirqs last disabled at (1748): [] __up_console_sem+0x5d/0x80
[ 51.011415] softirqs last enabled at (1474): [] handle_softirqs+0x50c/0x770
[ 51.012737] softirqs last disabled at (1459): [] __irq_exit_rcu+0xc4/0x100
[ 51.014132] ---[ end trace 0000000000000000 ]---
Warning: Permanently added '[localhost]:48856' (ECDSA) to the list of known hosts.
2025/11/17 20:43:44 fuzzer started
2025/11/17 20:43:45 dialing manager at localhost:37895
2025/11/17 20:43:45 checking machine...
2025/11/17 20:43:45 checking revisions...
[ 51.922078] kmemleak: Automatic memory scanning thread ended
2025/11/17 20:43:45 testing simple program...
[ 52.005783] cgroup: Unknown subsys name 'net'
[ 52.098621] cgroup: Unknown subsys name 'cpuset'
[ 52.118107] cgroup: Unknown subsys name 'rlimit'
executing program
executing program
VM DIAGNOSIS:
20:43:44 Registers:
info registers vcpu 0
RAX=ffffffff87ce3608 RBX=ffff88800efe0000 RCX=0000000000000000 RDX=0000000000000001
RSI=0000000000000000 RDI=ffffffff85e1ffe0 RBP=ffff88800efe0a58 RSP=ffff888013f9f6f0
R8 =0000000000000000 R9 =0000000000000005 R10=0000000000000001 R11=0000000000000000
R12=ffff88800efe0a58 R13=0000000000000003 R14=0000000000000000 R15=0000000000000000
RIP=ffffffff8152715d RFL=00000046 [---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 00007f289b36f900 00000000 00000000
GS =0000 ffff8880e538f000 00000000 00000000
LDT=0000 fffffe3a00000000 00000000 00000000
TR =0040 fffffe0000003000 00004087 00008b00 DPL=0 TSS64-busy
GDT= fffffe0000001000 0000007f
IDT= fffffe0000000000 00000fff
CR0=80050033 CR2=00007f289b924650 CR3=000000001f2cf000 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=000000000000000000000000000000ff
XMM02=000000000000000000000000000000ff XMM03=5320444f4854454d5f54505952434e45
XMM04=40404040404040404040404040404040 XMM05=5a5a5a5a5a5a5a5a5a5a5a5a5a5a5a5a
XMM06=20202020202020202020202020202020 XMM07=00000000000000000000000000000000
XMM08=ffbc64ffffbc44ffffbc34ffffbc9f00 XMM09=00000000000000000000000000000000
XMM10=00000000000000000000000000000000 XMM11=00000000000000000000000000000000
XMM12=00000000000000000000000000000000 XMM13=00000000000000000000000000000000
XMM14=00000000000000000000000000000000 XMM15=00000000000000000000000000000000
info registers vcpu 1
RAX=000000000002d2c7 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 fffffe0b00000000 00000000 00000000
TR =0040 fffffe000004a000 00004087 00008b00 DPL=0 TSS64-busy
GDT= fffffe0000048000 0000007f
IDT= fffffe0000000000 00000fff
CR0=80050033 CR2=00007fff290aabd8 CR3=000000000dbd1000 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=2034343a33343a303220373120766f4e XMM01=73732878696e755f6d6170203a5d3933
XMM02=65736f6c63206e6f6973736573203a29 XMM03=755f6d6170203a5d3933325b64687373
XMM04=69662068637573206f4e203a656c6163 XMM05=3a656c696620766e65206e65706f206f
XMM06=65733a6468737328766e655f6d617020 XMM07=6b7a79732033343a33343a3032203731
XMM08=30343d7974696c696261706163202279 XMM09=00000000000000000000000000000000
XMM10=00000000000000000000000000000000 XMM11=00000000000000000000000000000000
XMM12=00000000000000000000000000000000 XMM13=00000000000000000000000000000000
XMM14=00000000000000000000000000000000 XMM15=00000000000000000000000000000000