syzkaller login: [ 39.252800] ------------[ cut here ]------------ [ 39.253809] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 39.255977] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#0: sshd/231 [ 39.257488] Modules linked in: [ 39.258105] CPU: 0 UID: 104 PID: 231 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251118 #1 PREEMPT(voluntary) [ 39.260234] Tainted: [W]=WARN [ 39.260870] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 39.262453] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 39.263442] 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 [ 39.266800] RSP: 0018:ffff88801a537bc0 EFLAGS: 00010286 [ 39.267848] RAX: 0000000000000000 RBX: ffffed10034a6f78 RCX: ffffffff813a4050 [ 39.269204] RDX: ffff888013fe5340 RSI: ffffffff813a405e RDI: 0000000000000001 [ 39.270575] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed10034a6f2f [ 39.271946] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 39.273328] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff88801a537df8 [ 39.274739] FS: 00007ff4d34a6900(0000) GS:ffff8880e538f000(0000) knlGS:0000000000000000 [ 39.276252] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 39.277381] CR2: 00007ff4d3998580 CR3: 00000000077c3000 CR4: 0000000000350ef0 [ 39.278760] Call Trace: [ 39.279245] [ 39.279737] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 39.280687] ? __create_object+0x59/0x80 [ 39.281527] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 39.282580] __vmalloc_noprof+0x59/0x60 [ 39.283395] bpf_prog_alloc_no_stats+0x55/0x470 [ 39.284272] ? __pfx_seccomp_check_filter+0x10/0x10 [ 39.285266] bpf_prog_alloc+0x39/0x200 [ 39.286042] ? __pfx_seccomp_check_filter+0x10/0x10 [ 39.287039] bpf_prog_create_from_user+0xb2/0x2f0 [ 39.288016] do_seccomp+0x349/0x25e0 [ 39.288768] ? __pfx_css_rstat_updated+0x10/0x10 [ 39.289734] ? __pfx_do_seccomp+0x10/0x10 [ 39.290580] ? find_held_lock+0x2b/0x80 [ 39.291338] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 39.292407] ? static_key_count+0x60/0x80 [ 39.293211] prctl_set_seccomp+0x4e/0x70 [ 39.294036] __do_sys_prctl+0xe6c/0x1d70 [ 39.294887] ? __pfx___do_sys_prctl+0x10/0x10 [ 39.295823] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 39.296853] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 39.297886] ? irqentry_exit+0xf3/0x650 [ 39.298705] do_syscall_64+0xbf/0x430 [ 39.299485] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 39.300497] RIP: 0033:0x7ff4d39985cd [ 39.301194] 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 [ 39.304528] RSP: 002b:00007ffcf0958010 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 39.305981] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007ff4d39985cd [ 39.307390] RDX: 0000557021481e00 RSI: 0000000000000002 RDI: 0000000000000016 [ 39.308769] RBP: 00007ffcf0958070 R08: 0000000000000000 R09: 00007ffcf0957710 [ 39.310126] R10: 0000000000000000 R11: 0000000000000246 R12: 000055703f1fead0 [ 39.311498] R13: 00007ffcf09584a0 R14: 000055703f1ffbc0 R15: 000055703f210780 [ 39.312876] [ 39.313329] irq event stamp: 1733 [ 39.313998] hardirqs last enabled at (1743): [] __up_console_sem+0x78/0x80 [ 39.315643] hardirqs last disabled at (1752): [] __up_console_sem+0x5d/0x80 [ 39.317229] softirqs last enabled at (1682): [] handle_softirqs+0x50c/0x770 [ 39.318881] softirqs last disabled at (1677): [] __irq_exit_rcu+0xc4/0x100 [ 39.320478] ---[ end trace 0000000000000000 ]--- [ 42.330925] ------------[ cut here ]------------ [ 42.331926] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 42.334092] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#1: sshd/239 [ 42.335712] Modules linked in: [ 42.336400] CPU: 1 UID: 104 PID: 239 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251118 #1 PREEMPT(voluntary) [ 42.340080] Tainted: [W]=WARN [ 42.340825] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 42.342473] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 42.343465] 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 [ 42.346951] RSP: 0018:ffff88801cc0fbc0 EFLAGS: 00010286 [ 42.348012] RAX: 0000000000000000 RBX: ffffed1003981f78 RCX: ffffffff813a4050 [ 42.349417] RDX: ffff888016938000 RSI: ffffffff813a405e RDI: 0000000000000001 [ 42.350836] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed1003981f2f [ 42.352230] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 42.353623] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff88801cc0fdf8 [ 42.355059] FS: 00007f20d565a900(0000) GS:ffff8880e548f000(0000) knlGS:0000000000000000 [ 42.356633] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 42.357784] CR2: 00007ffdd9561ef8 CR3: 000000001eb29000 CR4: 0000000000350ef0 [ 42.359204] Call Trace: [ 42.359749] [ 42.360198] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 42.361172] ? __create_object+0x59/0x80 [ 42.362018] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 42.363101] __vmalloc_noprof+0x59/0x60 [ 42.363919] bpf_prog_alloc_no_stats+0x55/0x470 [ 42.364874] ? __pfx_seccomp_check_filter+0x10/0x10 [ 42.365877] bpf_prog_alloc+0x39/0x200 [ 42.366704] ? __pfx_seccomp_check_filter+0x10/0x10 [ 42.367722] bpf_prog_create_from_user+0xb2/0x2f0 [ 42.368702] do_seccomp+0x349/0x25e0 [ 42.369480] ? find_held_lock+0x2b/0x80 [ 42.370261] ? do_prlimit+0x310/0x610 [ 42.371105] ? __pfx_do_seccomp+0x10/0x10 [ 42.371963] ? do_raw_spin_unlock+0x53/0x220 [ 42.372860] ? _raw_spin_unlock+0x1e/0x40 [ 42.373702] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 42.374799] ? static_key_count+0x60/0x80 [ 42.375661] prctl_set_seccomp+0x4e/0x70 [ 42.376513] __do_sys_prctl+0xe6c/0x1d70 [ 42.377318] ? __pfx___do_sys_prctl+0x10/0x10 [ 42.378266] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 42.379389] ? irqentry_exit+0xf3/0x650 [ 42.380175] do_syscall_64+0xbf/0x430 [ 42.380970] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 42.381994] RIP: 0033:0x7f20d5b4c5cd [ 42.382783] 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 [ 42.386229] RSP: 002b:00007ffdd955ff80 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 42.387744] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f20d5b4c5cd [ 42.389139] RDX: 0000564dcd99ee00 RSI: 0000000000000002 RDI: 0000000000000016 [ 42.390560] RBP: 00007ffdd955ffe0 R08: 0000000000000000 R09: 00007ffdd955f680 [ 42.391952] R10: 0000000000000000 R11: 0000000000000246 R12: 0000564e04be8ad0 [ 42.393367] R13: 00007ffdd9560410 R14: 0000564e04be9bc0 R15: 0000564e04bfa780 [ 42.394811] [ 42.395250] irq event stamp: 2065 [ 42.395842] hardirqs last enabled at (2075): [] __up_console_sem+0x78/0x80 [ 42.397278] hardirqs last disabled at (2084): [] __up_console_sem+0x5d/0x80 [ 42.398740] softirqs last enabled at (2042): [] handle_softirqs+0x50c/0x770 [ 42.400197] softirqs last disabled at (2037): [] __irq_exit_rcu+0xc4/0x100 [ 42.401611] ---[ end trace 0000000000000000 ]--- [ 43.200593] ------------[ cut here ]------------ [ 43.201656] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 43.203968] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#1: sshd/247 [ 43.205638] Modules linked in: [ 43.206217] CPU: 1 UID: 104 PID: 247 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251118 #1 PREEMPT(voluntary) [ 43.208454] Tainted: [W]=WARN [ 43.209011] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 43.210534] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 43.211449] 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 [ 43.214565] RSP: 0018:ffff8880178dfbc0 EFLAGS: 00010286 [ 43.215532] RAX: 0000000000000000 RBX: ffffed1002f1bf78 RCX: ffffffff813a4050 [ 43.216790] RDX: ffff888017d99bc0 RSI: ffffffff813a405e RDI: 0000000000000001 [ 43.218051] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed1002f1bf2f [ 43.219327] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 43.220613] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff8880178dfdf8 [ 43.221884] FS: 00007f056daf7900(0000) GS:ffff8880e548f000(0000) knlGS:0000000000000000 [ 43.223317] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 43.224385] CR2: 00007ffe5ea4def8 CR3: 000000000772c000 CR4: 0000000000350ef0 [ 43.225637] Call Trace: [ 43.226097] [ 43.226569] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 43.227476] ? __create_object+0x59/0x80 [ 43.228215] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 43.229178] __vmalloc_noprof+0x59/0x60 [ 43.229921] bpf_prog_alloc_no_stats+0x55/0x470 [ 43.230801] ? __pfx_seccomp_check_filter+0x10/0x10 [ 43.231717] bpf_prog_alloc+0x39/0x200 [ 43.232492] ? __pfx_seccomp_check_filter+0x10/0x10 [ 43.233417] bpf_prog_create_from_user+0xb2/0x2f0 [ 43.234262] do_seccomp+0x349/0x25e0 [ 43.234990] ? find_held_lock+0x2b/0x80 [ 43.235739] ? do_prlimit+0x310/0x610 [ 43.236478] ? __pfx_do_seccomp+0x10/0x10 [ 43.237214] ? do_raw_spin_unlock+0x53/0x220 [ 43.238043] ? _raw_spin_unlock+0x1e/0x40 [ 43.238880] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 43.239834] ? static_key_count+0x60/0x80 [ 43.240626] prctl_set_seccomp+0x4e/0x70 [ 43.241396] __do_sys_prctl+0xe6c/0x1d70 [ 43.242130] ? __pfx___do_sys_prctl+0x10/0x10 [ 43.242989] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 43.243947] ? irqentry_exit+0xf3/0x650 [ 43.244710] do_syscall_64+0xbf/0x430 [ 43.245441] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 43.246389] RIP: 0033:0x7f056dfe95cd [ 43.247050] 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 [ 43.250138] RSP: 002b:00007ffe5ea4b670 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 43.251487] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f056dfe95cd [ 43.252733] RDX: 0000557a5877ce00 RSI: 0000000000000002 RDI: 0000000000000016 [ 43.253986] RBP: 00007ffe5ea4b6d0 R08: 0000000000000000 R09: 00007ffe5ea4ad70 [ 43.255258] R10: 0000000000000000 R11: 0000000000000246 R12: 0000557a6268f2b0 [ 43.256527] R13: 00007ffe5ea4bb00 R14: 0000557a62691d20 R15: 0000557a626a38d0 [ 43.257805] [ 43.258222] irq event stamp: 1811 [ 43.258861] hardirqs last enabled at (1821): [] __up_console_sem+0x78/0x80 [ 43.260082] hardirqs last disabled at (1830): [] __up_console_sem+0x5d/0x80 [ 43.261307] softirqs last enabled at (1356): [] handle_softirqs+0x50c/0x770 [ 43.262596] softirqs last disabled at (1351): [] __irq_exit_rcu+0xc4/0x100 [ 43.263815] ---[ end trace 0000000000000000 ]--- Warning: Permanently added '[localhost]:7186' (ECDSA) to the list of known hosts. 2025/11/19 00:44:00 fuzzer started 2025/11/19 00:44:01 dialing manager at localhost:34383 2025/11/19 00:44:01 checking machine... 2025/11/19 00:44:01 checking revisions... [ 44.067906] kmemleak: Automatic memory scanning thread ended 2025/11/19 00:44:01 testing simple program... [ 44.162711] cgroup: Unknown subsys name 'net' [ 44.210845] cgroup: Unknown subsys name 'cpuset' [ 44.236088] cgroup: Unknown subsys name 'rlimit' executing program executing program executing program VM DIAGNOSIS: 00:44:00 Registers: info registers vcpu 0 RAX=ffffffff84c6ac28 RBX=ffffffff869afa04 RCX=ffffffff84c6acde RDX=0000000000000000 RSI=ffffffff86e87004 RDI=ffffffff869af9f4 RBP=ffffffff869afa08 RSP=ffff8880074df5a8 R8 =ffffffff86e87004 R9 =0000000000000000 R10=000000000003c9ed R11=00000000000c7d16 R12=ffffffff869afa04 R13=ffffffff869af9f4 R14=0000000000000010 R15=dffffc0000000000 RIP=ffffffff8135dad7 RFL=00000202 [-------] 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 00007fb656dd9900 00000000 00000000 GS =0000 ffff8880e538f000 00000000 00000000 LDT=0000 fffffe4500000000 00000000 00000000 TR =0040 fffffe0000003000 00004087 00008b00 DPL=0 TSS64-busy GDT= fffffe0000001000 0000007f IDT= fffffe0000000000 00000fff CR0=80050033 CR2=00007f20d5c0f650 CR3=000000000d44c000 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=ffffffffffffffffffffffffffffffff XMM01=30306234386136303638616663356134 XMM02=38303062343861363036386166633561 XMM03=2f6c616e72756f6a2f676f6c2f6e7572 XMM04=904db4400fb725c700000000000ae988 XMM05=1319e678c5640f8a000000000031e858 XMM06=405749d8372a36f1000000000031e7c0 XMM07=00000000000000000000000000000000 XMM08=415453454d49545f454d49544c414552 XMM09=00000000000000000000000000000000 XMM10=20200000000020202020202020200000 XMM11=00000000000000000000000000000000 XMM12=00000000000000000000000000000000 XMM13=00000000000000000000000000000000 XMM14=00000000000000000000000000000000 XMM15=00000000000000000000000000000000 info registers vcpu 1 RAX=0000000000000005 RBX=ffff88800f2b3780 RCX=0000000000000200 RDX=0000000000000008 RSI=ffff88800f2b4228 RDI=ffff88800f2b4228 RBP=ffff88800f2b41d8 RSP=ffff88806cf088b0 R8 =0000000000000002 R9 =0000000000000000 R10=0000000000000001 R11=0000000000000000 R12=ffff88800f2b4228 R13=b503ba001073dead R14=0000000000000000 R15=0000000000000002 RIP=ffffffff815228f3 RFL=00000007 [-----PC] 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 00007fcba4671900 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=00007fcba48e5000 CR3=000000001f14e000 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=00000000ff0000000000000000000000 XMM01=ffffffff00ffffffffffffffffffffff XMM02=42494c4700342e332e325f4342494c47 XMM03=000000000000004700352e322e325f43 XMM04=4342494c4700362e322e325f4342494c XMM05=00007fcba4c2af6000007fcba4de4950 XMM06=00007fcba4de444000007fcba4de3f20 XMM07=00007fcba472e12000007fcba472db10 XMM08=00007fcba472d5f000007fcba472d060 XMM09=00000000000000000000000000000000 XMM10=00000000000000000000000000000000 XMM11=00000000000000000000000000000000 XMM12=00000000000000000000000000000000 XMM13=00000000000000000000000000000000 XMM14=00000000000000000000000000000000 XMM15=00000000000000000000000000000000