syzkaller login: [ 38.932851] ------------[ cut here ]------------ [ 38.933748] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 38.935662] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#1: sshd/234 [ 38.937044] Modules linked in: [ 38.937664] CPU: 1 UID: 104 PID: 234 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251118 #1 PREEMPT(voluntary) [ 38.939795] Tainted: [W]=WARN [ 38.940445] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 38.941846] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 38.942712] 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 [ 38.945717] RSP: 0018:ffff8880154cfbc0 EFLAGS: 00010286 [ 38.946655] RAX: 0000000000000000 RBX: ffffed1002a99f78 RCX: ffffffff813a4050 [ 38.947889] RDX: ffff888016f6b780 RSI: ffffffff813a405e RDI: 0000000000000001 [ 38.949100] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed1002a99f2f [ 38.950344] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 38.951570] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff8880154cfdf8 [ 38.952803] FS: 00007f60fa3e9900(0000) GS:ffff8880e548f000(0000) knlGS:0000000000000000 [ 38.954172] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 38.955182] CR2: 00007ffc1b2aaef7 CR3: 000000001c439000 CR4: 0000000000350ef0 [ 38.956446] Call Trace: [ 38.956901] [ 38.957347] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 38.958181] ? __create_object+0x59/0x80 [ 38.958964] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 38.959927] __vmalloc_noprof+0x59/0x60 [ 38.960670] bpf_prog_alloc_no_stats+0x55/0x470 [ 38.961507] ? __pfx_seccomp_check_filter+0x10/0x10 [ 38.962431] bpf_prog_alloc+0x39/0x200 [ 38.963111] ? __pfx_seccomp_check_filter+0x10/0x10 [ 38.964036] bpf_prog_create_from_user+0xb2/0x2f0 [ 38.964926] do_seccomp+0x349/0x25e0 [ 38.965638] ? find_held_lock+0x2b/0x80 [ 38.966388] ? do_prlimit+0x310/0x610 [ 38.967072] ? __pfx_do_seccomp+0x10/0x10 [ 38.967860] ? do_raw_spin_unlock+0x53/0x220 [ 38.968676] ? _raw_spin_unlock+0x1e/0x40 [ 38.969440] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 38.970396] ? static_key_count+0x60/0x80 [ 38.971137] prctl_set_seccomp+0x4e/0x70 [ 38.971915] __do_sys_prctl+0xe6c/0x1d70 [ 38.972683] ? __pfx___do_sys_prctl+0x10/0x10 [ 38.973529] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 38.974484] ? irqentry_exit+0xf3/0x650 [ 38.975193] do_syscall_64+0xbf/0x430 [ 38.975926] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 38.976864] RIP: 0033:0x7f60fa8db5cd [ 38.977555] 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 [ 38.980689] RSP: 002b:00007ffc1b2a90b0 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 38.982027] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f60fa8db5cd [ 38.983290] RDX: 00005603739a4e00 RSI: 0000000000000002 RDI: 0000000000000016 [ 38.984571] RBP: 00007ffc1b2a9110 R08: 0000000000000000 R09: 00007ffc1b2a87b0 [ 38.985826] R10: 0000000000000000 R11: 0000000000000246 R12: 000056039526dad0 [ 38.987087] R13: 00007ffc1b2a9540 R14: 000056039526ebc0 R15: 000056039527f780 [ 38.988382] [ 38.988799] irq event stamp: 1821 [ 38.989436] hardirqs last enabled at (1831): [] __up_console_sem+0x78/0x80 [ 38.990930] hardirqs last disabled at (1840): [] __up_console_sem+0x5d/0x80 [ 38.992433] softirqs last enabled at (1744): [] handle_softirqs+0x50c/0x770 [ 38.993950] softirqs last disabled at (1739): [] __irq_exit_rcu+0xc4/0x100 [ 38.995439] ---[ end trace 0000000000000000 ]--- [ 42.447878] ------------[ cut here ]------------ [ 42.448800] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 42.450759] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#1: sshd/244 [ 42.452186] Modules linked in: [ 42.452805] CPU: 1 UID: 104 PID: 244 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251118 #1 PREEMPT(voluntary) [ 42.454725] Tainted: [W]=WARN [ 42.455290] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 42.456706] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 42.457582] 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 [ 42.460637] RSP: 0018:ffff88800f277bc0 EFLAGS: 00010286 [ 42.461595] RAX: 0000000000000000 RBX: ffffed1001e4ef78 RCX: ffffffff813a4050 [ 42.462824] RDX: ffff88800f6f8000 RSI: ffffffff813a405e RDI: 0000000000000001 [ 42.464078] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed1001e4ef2f [ 42.465310] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 42.466555] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff88800f277df8 [ 42.467808] FS: 00007f80d7a89900(0000) GS:ffff8880e548f000(0000) knlGS:0000000000000000 [ 42.469211] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 42.470255] CR2: 00007fff4787cef7 CR3: 000000001f1b2000 CR4: 0000000000350ef0 [ 42.471516] Call Trace: [ 42.471962] [ 42.472389] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 42.473267] ? __create_object+0x59/0x80 [ 42.473974] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 42.474912] __vmalloc_noprof+0x59/0x60 [ 42.475641] bpf_prog_alloc_no_stats+0x55/0x470 [ 42.476482] ? __pfx_seccomp_check_filter+0x10/0x10 [ 42.477379] bpf_prog_alloc+0x39/0x200 [ 42.478050] ? __pfx_seccomp_check_filter+0x10/0x10 [ 42.478938] bpf_prog_create_from_user+0xb2/0x2f0 [ 42.479822] do_seccomp+0x349/0x25e0 [ 42.480510] ? find_held_lock+0x2b/0x80 [ 42.481213] ? do_prlimit+0x310/0x610 [ 42.481920] ? __pfx_do_seccomp+0x10/0x10 [ 42.482680] ? do_raw_spin_unlock+0x53/0x220 [ 42.483500] ? _raw_spin_unlock+0x1e/0x40 [ 42.484204] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 42.485140] ? static_key_count+0x60/0x80 [ 42.485912] prctl_set_seccomp+0x4e/0x70 [ 42.486653] __do_sys_prctl+0xe6c/0x1d70 [ 42.487417] ? __pfx___do_sys_prctl+0x10/0x10 [ 42.488201] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 42.489140] ? irqentry_exit+0xf3/0x650 [ 42.489869] do_syscall_64+0xbf/0x430 [ 42.490591] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 42.491524] RIP: 0033:0x7f80d7f7b5cd [ 42.492158] 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 [ 42.495211] RSP: 002b:00007fff4787be10 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 42.496576] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f80d7f7b5cd [ 42.497807] RDX: 000055e1c55b9e00 RSI: 0000000000000002 RDI: 0000000000000016 [ 42.499037] RBP: 00007fff4787be70 R08: 0000000000000000 R09: 00007fff4787b510 [ 42.500312] R10: 0000000000000000 R11: 0000000000000246 R12: 000055e1c8ea9240 [ 42.501561] R13: 00007fff4787c2a0 R14: 000055e1c8ea8bf0 R15: 000055e1c8ebd4d0 [ 42.502811] [ 42.503213] irq event stamp: 1717 [ 42.503844] hardirqs last enabled at (1727): [] __up_console_sem+0x78/0x80 [ 42.505317] hardirqs last disabled at (1742): [] __up_console_sem+0x5d/0x80 [ 42.506762] softirqs last enabled at (1740): [] handle_softirqs+0x50c/0x770 [ 42.508251] softirqs last disabled at (1735): [] __irq_exit_rcu+0xc4/0x100 [ 42.509697] ---[ end trace 0000000000000000 ]--- [ 43.384028] ------------[ cut here ]------------ [ 43.384964] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 43.386985] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#0: sshd/252 [ 43.388491] Modules linked in: [ 43.389087] CPU: 0 UID: 104 PID: 252 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251118 #1 PREEMPT(voluntary) [ 43.391306] Tainted: [W]=WARN [ 43.391879] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 43.393359] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 43.394275] 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 [ 43.397573] RSP: 0018:ffff888016fffbc0 EFLAGS: 00010286 [ 43.398565] RAX: 0000000000000000 RBX: ffffed1002dfff78 RCX: ffffffff813a4050 [ 43.399863] RDX: ffff88800ab10000 RSI: ffffffff813a405e RDI: 0000000000000001 [ 43.401154] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed1002dfff2f [ 43.402458] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 43.403755] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff888016fffdf8 [ 43.405049] FS: 00007fa454708900(0000) GS:ffff8880e538f000(0000) knlGS:0000000000000000 [ 43.406508] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 43.407603] CR2: 00007ffd849f7ef7 CR3: 000000000b3f1000 CR4: 0000000000350ef0 [ 43.408903] Call Trace: [ 43.409403] [ 43.409819] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 43.410722] ? __create_object+0x59/0x80 [ 43.411527] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 43.412503] __vmalloc_noprof+0x59/0x60 [ 43.413264] bpf_prog_alloc_no_stats+0x55/0x470 [ 43.414094] ? __pfx_seccomp_check_filter+0x10/0x10 [ 43.415019] bpf_prog_alloc+0x39/0x200 [ 43.415764] ? __pfx_seccomp_check_filter+0x10/0x10 [ 43.416678] bpf_prog_create_from_user+0xb2/0x2f0 [ 43.417575] do_seccomp+0x349/0x25e0 [ 43.418284] ? find_held_lock+0x2b/0x80 [ 43.419003] ? do_prlimit+0x310/0x610 [ 43.419757] ? __pfx_do_seccomp+0x10/0x10 [ 43.420559] ? do_raw_spin_unlock+0x53/0x220 [ 43.421398] ? _raw_spin_unlock+0x1e/0x40 [ 43.422142] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 43.423109] ? static_key_count+0x60/0x80 [ 43.423917] prctl_set_seccomp+0x4e/0x70 [ 43.424695] __do_sys_prctl+0xe6c/0x1d70 [ 43.425479] ? __pfx___do_sys_prctl+0x10/0x10 [ 43.426344] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 43.427353] ? irqentry_exit+0xf3/0x650 [ 43.428083] do_syscall_64+0xbf/0x430 [ 43.428833] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 43.429785] RIP: 0033:0x7fa454bfa5cd [ 43.430503] 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 [ 43.433731] RSP: 002b:00007ffd849f67d0 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 43.435113] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007fa454bfa5cd [ 43.436427] RDX: 000055a8510ffe00 RSI: 0000000000000002 RDI: 0000000000000016 [ 43.437729] RBP: 00007ffd849f6830 R08: 0000000000000000 R09: 00007ffd849f5ed0 [ 43.439031] R10: 0000000000000000 R11: 0000000000000246 R12: 000055a85afb1ad0 [ 43.440339] R13: 00007ffd849f6c60 R14: 000055a85afb2bc0 R15: 000055a85afc3780 [ 43.441698] [ 43.442127] irq event stamp: 1837 [ 43.442789] hardirqs last enabled at (1847): [] __up_console_sem+0x78/0x80 [ 43.444367] hardirqs last disabled at (1856): [] __up_console_sem+0x5d/0x80 [ 43.445900] softirqs last enabled at (1712): [] handle_softirqs+0x50c/0x770 [ 43.447458] softirqs last disabled at (1707): [] __irq_exit_rcu+0xc4/0x100 [ 43.449002] ---[ end trace 0000000000000000 ]--- Warning: Permanently added '[localhost]:12065' (ECDSA) to the list of known hosts. 2025/11/18 11:02:25 fuzzer started 2025/11/18 11:02:25 dialing manager at localhost:34383 2025/11/18 11:02:25 checking machine... 2025/11/18 11:02:25 checking revisions... [ 44.367432] kmemleak: Automatic memory scanning thread ended 2025/11/18 11:02:25 testing simple program... [ 44.450476] cgroup: Unknown subsys name 'net' [ 44.519958] cgroup: Unknown subsys name 'cpuset' [ 44.535029] cgroup: Unknown subsys name 'rlimit' executing program executing program VM DIAGNOSIS: 11:02:25 Registers: info registers vcpu 0 RAX=ffffffff83c6b3c3 RBX=0000000000000001 RCX=0000000000000001 RDX=ffff888017077f01 RSI=ffff888017077f08 RDI=ffff888017077f08 RBP=ffff888017077b18 RSP=ffff888017077a48 R8 =ffffffff86d768cc R9 =ffff888017077b00 R10=000000000003c9ed R11=000000000009a68c R12=ffff888017077b20 R13=ffff888017077b08 R14=ffff888017077f10 R15=ffff888017077ac0 RIP=ffffffff8135da23 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 00007f80d7a89900 00000000 00000000 GS =0000 ffff8880e538f000 00000000 00000000 LDT=0000 fffffe5100000000 00000000 00000000 TR =0040 fffffe0000003000 00004087 00008b00 DPL=0 TSS64-busy GDT= fffffe0000001000 0000007f IDT= fffffe0000000000 00000fff CR0=80050033 CR2=00007f80d8040618 CR3=0000000019b56000 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=6e69676f6c5f6d61702c78756e696c65 XMM02=755f6d61702c74696d7265705f6d6170 XMM03=2c766e655f6d61702c7374696d696c5f XMM04=6d61702c766e655f6d61702c7374696d XMM05=78696e755f6d61702c74696d7265705f XMM06=6469756e69676f6c5f6d61702c78756e XMM07=672065736f6c635f6e6f69737365733a XMM08=61662029286e65706f5f746964756100 XMM09=00000000000000000000000000000000 XMM10=00000000000000000000000000000000 XMM11=00000000000000000000000000000000 XMM12=00000000000000000000000000000000 XMM13=00000000000000000000000000000000 XMM14=00000000000000000000000000000000 XMM15=00000000000000000000000000000000 info registers vcpu 1 RAX=0000000000000046 RBX=ffffc90000663818 RCX=ffffffff83616f2b RDX=1ffff11001435503 RSI=ffffffff83616f9e RDI=ffff88800a1aa82a RBP=0000000000000000 RSP=ffff88800f276f38 R8 =0000000000000000 R9 =fffffbfff0cc9f0a R10=0000000000000000 R11=0000000000000000 R12=0000000000000018 R13=ffff88800e25c450 R14=ffff88800e8c8000 R15=ffff88800a1aa800 RIP=ffffffff83617033 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 00007fd8f7f12900 00000000 00000000 GS =0000 ffff8880e548f000 00000000 00000000 LDT=0000 fffffe2c00000000 00000000 00000000 TR =0040 fffffe000004a000 00004087 00008b00 DPL=0 TSS64-busy GDT= fffffe0000048000 0000007f IDT= fffffe0000000000 00000fff CR0=80050033 CR2=00005633dc9cd788 CR3=000000001ebf4000 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=25252525252525252525252525252525 XMM01=00ff0000000000ff0000ff0000ff0000 XMM02=00000000000000000000000000000000 XMM03=00000000ffffffff0000000000000004 XMM04=000000300000002800007fd8f8411b6b XMM05=000000000000000200007ffe5a096210 XMM06=00000000000000008000000000000006 XMM07=00000000000000000000000000000000 XMM08=7325733030312e252d64252e64252d48 XMM09=00000000000000000000000000000000 XMM10=f1ae70f3b593b355508c0132662801da XMM11=f6b565626617696be7722f5ac2ba5a70 XMM12=00000000000000000000000000000000 XMM13=00000000000000000000000000000000 XMM14=00000000000000000000000000000000 XMM15=00000000000000000000000000000000