syzkaller login: [ 39.020031] ------------[ cut here ]------------ [ 39.021098] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 39.023367] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#1: sshd/233 [ 39.025054] Modules linked in: [ 39.025755] CPU: 1 UID: 104 PID: 233 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251118 #1 PREEMPT(voluntary) [ 39.028000] Tainted: [W]=WARN [ 39.028679] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 39.030311] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 39.031320] 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 [ 39.034858] RSP: 0018:ffff888017acfbc0 EFLAGS: 00010286 [ 39.035957] RAX: 0000000000000000 RBX: ffffed1002f59f78 RCX: ffffffff813a4050 [ 39.037403] RDX: ffff888016673780 RSI: ffffffff813a405e RDI: 0000000000000001 [ 39.038819] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed1002f59f2f [ 39.040271] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 39.041682] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff888017acfdf8 [ 39.043090] FS: 00007feb8f746900(0000) GS:ffff8880e548f000(0000) knlGS:0000000000000000 [ 39.044704] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 39.045885] CR2: 00007feb8fc38580 CR3: 000000000e245000 CR4: 0000000000350ef0 [ 39.047302] Call Trace: [ 39.047844] [ 39.048335] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 39.049331] ? __create_object+0x59/0x80 [ 39.050183] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 39.051252] __vmalloc_noprof+0x59/0x60 [ 39.052132] bpf_prog_alloc_no_stats+0x55/0x470 [ 39.053095] ? __pfx_seccomp_check_filter+0x10/0x10 [ 39.054128] bpf_prog_alloc+0x39/0x200 [ 39.054935] ? __pfx_seccomp_check_filter+0x10/0x10 [ 39.055986] bpf_prog_create_from_user+0xb2/0x2f0 [ 39.057005] do_seccomp+0x349/0x25e0 [ 39.057797] ? __pfx_css_rstat_updated+0x10/0x10 [ 39.058777] ? __pfx_do_seccomp+0x10/0x10 [ 39.059634] ? find_held_lock+0x2b/0x80 [ 39.060508] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 39.061571] ? static_key_count+0x60/0x80 [ 39.062447] prctl_set_seccomp+0x4e/0x70 [ 39.063249] __do_sys_prctl+0xe6c/0x1d70 [ 39.064150] ? __pfx___do_sys_prctl+0x10/0x10 [ 39.065110] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 39.066169] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 39.067223] ? irqentry_exit+0xf3/0x650 [ 39.068086] do_syscall_64+0xbf/0x430 [ 39.068895] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 39.069933] RIP: 0033:0x7feb8fc385cd [ 39.070686] 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 [ 39.074177] RSP: 002b:00007fff6ff56dd0 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 39.075672] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007feb8fc385cd [ 39.077106] RDX: 0000563866bb2e00 RSI: 0000000000000002 RDI: 0000000000000016 [ 39.078517] RBP: 00007fff6ff56e30 R08: 0000000000000000 R09: 00007fff6ff564d0 [ 39.079928] R10: 0000000000000000 R11: 0000000000000246 R12: 000056387734aad0 [ 39.081345] R13: 00007fff6ff57260 R14: 000056387734bbc0 R15: 000056387735c780 [ 39.082768] [ 39.083227] irq event stamp: 1741 [ 39.083951] hardirqs last enabled at (1751): [] __up_console_sem+0x78/0x80 [ 39.085614] hardirqs last disabled at (1760): [] __up_console_sem+0x5d/0x80 [ 39.087266] softirqs last enabled at (1592): [] handle_softirqs+0x50c/0x770 [ 39.088958] softirqs last disabled at (1587): [] __irq_exit_rcu+0xc4/0x100 [ 39.090398] ---[ end trace 0000000000000000 ]--- [ 41.932703] ------------[ cut here ]------------ [ 41.933587] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 41.935557] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#0: sshd/243 [ 41.937051] Modules linked in: [ 41.937698] CPU: 0 UID: 104 PID: 243 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251118 #1 PREEMPT(voluntary) [ 41.939624] Tainted: [W]=WARN [ 41.940177] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 41.941705] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 41.942608] 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 [ 41.945700] RSP: 0018:ffff888018ea7bc0 EFLAGS: 00010286 [ 41.946650] RAX: 0000000000000000 RBX: ffffed10031d4f78 RCX: ffffffff813a4050 [ 41.947941] RDX: ffff888017830000 RSI: ffffffff813a405e RDI: 0000000000000001 [ 41.949197] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed10031d4f2f [ 41.950454] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 41.951716] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff888018ea7df8 [ 41.952980] FS: 00007f4278229900(0000) GS:ffff8880e538f000(0000) knlGS:0000000000000000 [ 41.954399] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 41.955440] CR2: 00007ffed595bef7 CR3: 000000000d024000 CR4: 0000000000350ef0 [ 41.956702] Call Trace: [ 41.957154] [ 41.957589] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 41.958463] ? __create_object+0x59/0x80 [ 41.959188] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 41.960145] __vmalloc_noprof+0x59/0x60 [ 41.960889] bpf_prog_alloc_no_stats+0x55/0x470 [ 41.961741] ? __pfx_seccomp_check_filter+0x10/0x10 [ 41.962648] bpf_prog_alloc+0x39/0x200 [ 41.963316] ? __pfx_seccomp_check_filter+0x10/0x10 [ 41.964227] bpf_prog_create_from_user+0xb2/0x2f0 [ 41.965106] do_seccomp+0x349/0x25e0 [ 41.965810] ? find_held_lock+0x2b/0x80 [ 41.966560] ? do_prlimit+0x310/0x610 [ 41.967240] ? __pfx_do_seccomp+0x10/0x10 [ 41.968017] ? do_raw_spin_unlock+0x53/0x220 [ 41.968834] ? _raw_spin_unlock+0x1e/0x40 [ 41.969597] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 41.970539] ? static_key_count+0x60/0x80 [ 41.971272] prctl_set_seccomp+0x4e/0x70 [ 41.972035] __do_sys_prctl+0xe6c/0x1d70 [ 41.972800] ? __pfx___do_sys_prctl+0x10/0x10 [ 41.973641] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 41.974581] ? irqentry_exit+0xf3/0x650 [ 41.975282] do_syscall_64+0xbf/0x430 [ 41.976007] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 41.976953] RIP: 0033:0x7f427871b5cd [ 41.977644] 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 [ 41.980740] RSP: 002b:00007ffed5959350 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 41.982065] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f427871b5cd [ 41.983309] RDX: 000055d9d63d6e00 RSI: 0000000000000002 RDI: 0000000000000016 [ 41.984565] RBP: 00007ffed59593b0 R08: 0000000000000000 R09: 00007ffed5958a50 [ 41.985813] R10: 0000000000000000 R11: 0000000000000246 R12: 000055d9dec8bad0 [ 41.987067] R13: 00007ffed59597e0 R14: 000055d9dec8cbc0 R15: 000055d9dec9d780 [ 41.988339] [ 41.988787] irq event stamp: 1803 [ 41.989373] hardirqs last enabled at (1811): [] __up_console_sem+0x78/0x80 [ 41.990872] hardirqs last disabled at (1822): [] __up_console_sem+0x5d/0x80 [ 41.992368] softirqs last enabled at (1724): [] handle_softirqs+0x50c/0x770 [ 41.993886] softirqs last disabled at (1719): [] __irq_exit_rcu+0xc4/0x100 [ 41.995366] ---[ end trace 0000000000000000 ]--- [ 42.751122] ------------[ cut here ]------------ [ 42.752034] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 42.754111] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#0: sshd/250 [ 42.755788] Modules linked in: [ 42.756462] CPU: 0 UID: 104 PID: 250 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251118 #1 PREEMPT(voluntary) [ 42.758453] Tainted: [W]=WARN [ 42.759001] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 42.760474] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 42.761333] 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 [ 42.764511] RSP: 0018:ffff88800cbd7bc0 EFLAGS: 00010286 [ 42.765485] RAX: 0000000000000000 RBX: ffffed100197af78 RCX: ffffffff813a4050 [ 42.766785] RDX: ffff88800f0e8000 RSI: ffffffff813a405e RDI: 0000000000000001 [ 42.768096] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed100197af2f [ 42.769396] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 42.770675] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff88800cbd7df8 [ 42.771978] FS: 00007f129229f900(0000) GS:ffff8880e538f000(0000) knlGS:0000000000000000 [ 42.773425] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 42.774512] CR2: 00007ffe11a42ef7 CR3: 00000000177ae000 CR4: 0000000000350ef0 [ 42.775800] Call Trace: [ 42.776274] [ 42.776733] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 42.777638] ? __create_object+0x59/0x80 [ 42.778419] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 42.779345] __vmalloc_noprof+0x59/0x60 [ 42.780134] bpf_prog_alloc_no_stats+0x55/0x470 [ 42.781021] ? __pfx_seccomp_check_filter+0x10/0x10 [ 42.781959] bpf_prog_alloc+0x39/0x200 [ 42.782709] ? __pfx_seccomp_check_filter+0x10/0x10 [ 42.783655] bpf_prog_create_from_user+0xb2/0x2f0 [ 42.784583] do_seccomp+0x349/0x25e0 [ 42.785256] ? find_held_lock+0x2b/0x80 [ 42.786032] ? do_prlimit+0x310/0x610 [ 42.786781] ? __pfx_do_seccomp+0x10/0x10 [ 42.787574] ? do_raw_spin_unlock+0x53/0x220 [ 42.788373] ? _raw_spin_unlock+0x1e/0x40 [ 42.789173] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 42.790132] ? static_key_count+0x60/0x80 [ 42.790931] prctl_set_seccomp+0x4e/0x70 [ 42.791704] __do_sys_prctl+0xe6c/0x1d70 [ 42.792511] ? __pfx___do_sys_prctl+0x10/0x10 [ 42.793330] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 42.794324] ? irqentry_exit+0xf3/0x650 [ 42.795096] do_syscall_64+0xbf/0x430 [ 42.795853] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 42.796821] RIP: 0033:0x7f12927915cd [ 42.797558] 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 [ 42.800765] RSP: 002b:00007ffe11a40780 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 42.802142] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f12927915cd [ 42.803419] RDX: 0000559ee36f2e00 RSI: 0000000000000002 RDI: 0000000000000016 [ 42.804714] RBP: 00007ffe11a407e0 R08: 0000000000000000 R09: 00007ffe11a3fe80 [ 42.805999] R10: 0000000000000000 R11: 0000000000000246 R12: 0000559f069c92b0 [ 42.807284] R13: 00007ffe11a40c10 R14: 0000559f069cbd20 R15: 0000559f069dd8d0 [ 42.808601] [ 42.809027] irq event stamp: 1741 [ 42.809680] hardirqs last enabled at (1751): [] __up_console_sem+0x78/0x80 [ 42.811196] hardirqs last disabled at (1760): [] __up_console_sem+0x5d/0x80 [ 42.812738] softirqs last enabled at (1624): [] handle_softirqs+0x50c/0x770 [ 42.814280] softirqs last disabled at (1619): [] __irq_exit_rcu+0xc4/0x100 [ 42.815791] ---[ end trace 0000000000000000 ]--- Warning: Permanently added '[localhost]:7940' (ECDSA) to the list of known hosts. 2025/11/18 12:18:38 fuzzer started 2025/11/18 12:18:38 dialing manager at localhost:34383 2025/11/18 12:18:38 checking machine... 2025/11/18 12:18:38 checking revisions... [ 43.746548] kmemleak: Automatic memory scanning thread ended 2025/11/18 12:18:39 testing simple program... [ 43.827565] cgroup: Unknown subsys name 'net' [ 43.886158] cgroup: Unknown subsys name 'cpuset' [ 43.898514] cgroup: Unknown subsys name 'rlimit' executing program executing program VM DIAGNOSIS: 12:18:38 Registers: info registers vcpu 0 RAX=0000000000046561 RBX=0000000000000000 RCX=ffffffff84c72d57 RDX=0000000000000000 RSI=0000000000000000 RDI=ffffffff814d2c90 RBP=dffffc0000000000 RSP=ffffffff85c07e00 R8 =0000000000000001 R9 =ffffed100d9c639a R10=ffff88806ce31cd3 R11=0000000000000001 R12=ffffffff8664f850 R13=1ffffffff0b80fc7 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 ffff8880e538f000 00000000 00000000 LDT=0000 fffffe6b00000000 00000000 00000000 TR =0040 fffffe0000003000 00004087 00008b00 DPL=0 TSS64-busy GDT= fffffe0000001000 0000007f IDT= fffffe0000000000 00000fff CR0=80050033 CR2=00007f15710f4000 CR3=000000000c621000 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=ee08bf8930eb1aa6e644dbfb5ee76ed0 XMM02=2c67c8bc2e329bc300000000003047e0 XMM03=fb795ef6d65770560000000000311f68 XMM04=36a49ecd4d0f72ad00000000000ae988 XMM05=14648eaa1277bab100000000003221a8 XMM06=180417a53e3ce50d000000000031b728 XMM07=e042d86d42eb936e00000000003129a8 XMM08=04e4e88afbb299770000000000304840 XMM09=00000000000000000000000000000000 XMM10=20200000000020202020202020200000 XMM11=00000000000000000000000000000000 XMM12=00000000000000000000000000000000 XMM13=00000000000000000000000000000000 XMM14=00000000000000000000000000000000 XMM15=00000000000000000000000000000000 info registers vcpu 1 RAX=0000000000000005 RBX=ffff888019f40000 RCX=0000000000000000 RDX=0000000000000005 RSI=0000000000000000 RDI=ffffffff85e1ffe0 RBP=ffff888019f40a58 RSP=ffff88800cd4faf8 R8 =0000000000000000 R9 =0000000000000005 R10=0000000000000001 R11=0000000000000000 R12=ffff888019f40a80 R13=0000000000000003 R14=0000000000000000 R15=0000000000000000 RIP=ffffffff81527128 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 00007fe4c8a96900 00000000 00000000 GS =0000 ffff8880e548f000 00000000 00000000 LDT=0000 fffffe4500000000 00000000 00000000 TR =0040 fffffe000004a000 00004087 00008b00 DPL=0 TSS64-busy GDT= fffffe0000048000 0000007f IDT= fffffe0000000000 00000fff CR0=80050033 CR2=00007ffed5953000 CR3=000000000cf7a000 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=ffffffffffff00000000000000000000 XMM02=ffffffffffff00000000000000000000 XMM03=00000000000000000000000000000000 XMM04=00000000000000000000000000000000 XMM05=00000000000000000000000000000000 XMM06=00000000000000000000000000000000 XMM07=00000000000000000000000000000000 XMM08=00000000000073707574726174732064 XMM09=00000000000000000000000000000000 XMM10=00000000000000000000000000000000 XMM11=00000000000000000000000000000000 XMM12=00000000000000000000000000000000 XMM13=00000000000000000000000000000000 XMM14=00000000000000000000000000000000 XMM15=00000000000000000000000000000000