syzkaller login: [ 46.484055] ------------[ cut here ]------------ [ 46.484998] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 46.487023] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#1: sshd/234 [ 46.488512] Modules linked in: [ 46.489167] CPU: 1 UID: 104 PID: 234 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251117 #1 PREEMPT(voluntary) [ 46.491137] Tainted: [W]=WARN [ 46.491707] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 46.493175] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 46.494102] 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 [ 46.497273] RSP: 0018:ffff888018d87bc0 EFLAGS: 00010286 [ 46.498257] RAX: 0000000000000000 RBX: ffffed10031b0f78 RCX: ffffffff813a4050 [ 46.499539] RDX: ffff888016e79bc0 RSI: ffffffff813a405e RDI: 0000000000000001 [ 46.500832] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed10031b0f2f [ 46.502112] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 46.503403] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff888018d87df8 [ 46.504699] FS: 00007f0102ef4900(0000) GS:ffff8880e548f000(0000) knlGS:0000000000000000 [ 46.506141] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 46.507199] CR2: 00007f01033e6580 CR3: 000000000cf1a000 CR4: 0000000000350ef0 [ 46.508504] Call Trace: [ 46.509011] [ 46.509427] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 46.510322] ? __create_object+0x59/0x80 [ 46.511104] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 46.512089] __vmalloc_noprof+0x59/0x60 [ 46.512860] bpf_prog_alloc_no_stats+0x55/0x470 [ 46.513692] ? __pfx_seccomp_check_filter+0x10/0x10 [ 46.514624] bpf_prog_alloc+0x39/0x200 [ 46.515366] ? __pfx_seccomp_check_filter+0x10/0x10 [ 46.516306] bpf_prog_create_from_user+0xb2/0x2f0 [ 46.517232] do_seccomp+0x349/0x25e0 [ 46.517954] ? __pfx_css_rstat_updated+0x10/0x10 [ 46.518851] ? __pfx_do_seccomp+0x10/0x10 [ 46.519601] ? find_held_lock+0x2b/0x80 [ 46.520378] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 46.521351] ? static_key_count+0x60/0x80 [ 46.522163] prctl_set_seccomp+0x4e/0x70 [ 46.522952] __do_sys_prctl+0xe6c/0x1d70 [ 46.523701] ? __pfx___do_sys_prctl+0x10/0x10 [ 46.524576] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 46.525543] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 46.526523] ? irqentry_exit+0xf3/0x650 [ 46.527300] do_syscall_64+0xbf/0x430 [ 46.528041] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 46.529005] RIP: 0033:0x7f01033e65cd [ 46.529658] 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 [ 46.532837] RSP: 002b:00007ffd533ba530 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 46.534208] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f01033e65cd [ 46.535498] RDX: 0000563ff811ee00 RSI: 0000000000000002 RDI: 0000000000000016 [ 46.536791] RBP: 00007ffd533ba590 R08: 0000000000000000 R09: 00007ffd533b9c30 [ 46.538091] R10: 0000000000000000 R11: 0000000000000246 R12: 0000564022eecad0 [ 46.539370] R13: 00007ffd533ba9c0 R14: 0000564022eedbc0 R15: 0000564022efe780 [ 46.540692] [ 46.541157] irq event stamp: 1755 [ 46.541762] hardirqs last enabled at (1763): [] __up_console_sem+0x78/0x80 [ 46.543324] hardirqs last disabled at (1774): [] __up_console_sem+0x5d/0x80 [ 46.544864] softirqs last enabled at (1722): [] handle_softirqs+0x50c/0x770 [ 46.546407] softirqs last disabled at (1717): [] __irq_exit_rcu+0xc4/0x100 [ 46.547910] ---[ end trace 0000000000000000 ]--- [ 49.562531] ------------[ cut here ]------------ [ 49.563300] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 49.564991] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#1: sshd/242 [ 49.566187] Modules linked in: [ 49.566672] CPU: 1 UID: 104 PID: 242 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251117 #1 PREEMPT(voluntary) [ 49.568322] Tainted: [W]=WARN [ 49.568780] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 49.570029] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 49.570744] 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 [ 49.573419] RSP: 0018:ffff888017227bc0 EFLAGS: 00010286 [ 49.574219] RAX: 0000000000000000 RBX: ffffed1002e44f78 RCX: ffffffff813a4050 [ 49.575279] RDX: ffff8880162e9bc0 RSI: ffffffff813a405e RDI: 0000000000000001 [ 49.576614] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed1002e44f2f [ 49.577903] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 49.579172] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff888017227df8 [ 49.580435] FS: 00007fb496004900(0000) GS:ffff8880e548f000(0000) knlGS:0000000000000000 [ 49.581629] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 49.582509] CR2: 00007fb4964f6580 CR3: 000000000a2a4000 CR4: 0000000000350ef0 [ 49.583571] Call Trace: [ 49.583990] [ 49.584341] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 49.585100] ? __create_object+0x59/0x80 [ 49.585710] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 49.586515] __vmalloc_noprof+0x59/0x60 [ 49.587140] bpf_prog_alloc_no_stats+0x55/0x470 [ 49.587861] ? __pfx_seccomp_check_filter+0x10/0x10 [ 49.588602] bpf_prog_alloc+0x39/0x200 [ 49.589211] ? __pfx_seccomp_check_filter+0x10/0x10 [ 49.589980] bpf_prog_create_from_user+0xb2/0x2f0 [ 49.590690] do_seccomp+0x349/0x25e0 [ 49.591282] ? __pfx_css_rstat_updated+0x10/0x10 [ 49.592044] ? __pfx_do_seccomp+0x10/0x10 [ 49.592661] ? find_held_lock+0x2b/0x80 [ 49.593293] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 49.594090] ? static_key_count+0x60/0x80 [ 49.594713] prctl_set_seccomp+0x4e/0x70 [ 49.595346] __do_sys_prctl+0xe6c/0x1d70 [ 49.595996] ? __pfx___do_sys_prctl+0x10/0x10 [ 49.596678] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 49.597478] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 49.598286] ? irqentry_exit+0xf3/0x650 [ 49.598918] do_syscall_64+0xbf/0x430 [ 49.599486] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 49.600285] RIP: 0033:0x7fb4964f65cd [ 49.600880] 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 [ 49.603490] RSP: 002b:00007ffeab1da2d0 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 49.604628] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007fb4964f65cd [ 49.605694] RDX: 00005595625a5e00 RSI: 0000000000000002 RDI: 0000000000000016 [ 49.606750] RBP: 00007ffeab1da330 R08: 0000000000000000 R09: 00007ffeab1d99d0 [ 49.607864] R10: 0000000000000000 R11: 0000000000000246 R12: 000055959449bad0 [ 49.608967] R13: 00007ffeab1da760 R14: 000055959449cbc0 R15: 00005595944ad780 [ 49.610059] [ 49.610415] irq event stamp: 1713 [ 49.610955] hardirqs last enabled at (1723): [] __up_console_sem+0x78/0x80 [ 49.612240] hardirqs last disabled at (1732): [] __up_console_sem+0x5d/0x80 [ 49.613517] softirqs last enabled at (1682): [] handle_softirqs+0x50c/0x770 [ 49.614815] softirqs last disabled at (1675): [] __irq_exit_rcu+0xc4/0x100 [ 49.616111] ---[ end trace 0000000000000000 ]--- [ 50.429297] ------------[ cut here ]------------ [ 50.430283] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 50.432421] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#1: sshd/249 [ 50.434014] Modules linked in: [ 50.434643] CPU: 1 UID: 104 PID: 249 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251117 #1 PREEMPT(voluntary) [ 50.436737] Tainted: [W]=WARN [ 50.437367] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 50.438917] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 50.439873] 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 [ 50.443195] RSP: 0018:ffff8880161a7bc0 EFLAGS: 00010286 [ 50.444247] RAX: 0000000000000000 RBX: ffffed1002c34f78 RCX: ffffffff813a4050 [ 50.445602] RDX: ffff888017529bc0 RSI: ffffffff813a405e RDI: 0000000000000001 [ 50.446960] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed1002c34f2f [ 50.448327] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 50.449685] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff8880161a7df8 [ 50.451037] FS: 00007fa519757900(0000) GS:ffff8880e548f000(0000) knlGS:0000000000000000 [ 50.452561] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 50.453691] CR2: 00007fa519cbd4a6 CR3: 000000000cbf4000 CR4: 0000000000350ef0 [ 50.455046] Call Trace: [ 50.455530] [ 50.456011] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 50.456998] ? __create_object+0x59/0x80 [ 50.457772] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 50.458838] __vmalloc_noprof+0x59/0x60 [ 50.459601] bpf_prog_alloc_no_stats+0x55/0x470 [ 50.460539] ? __pfx_seccomp_check_filter+0x10/0x10 [ 50.461524] bpf_prog_alloc+0x39/0x200 [ 50.462309] ? __pfx_seccomp_check_filter+0x10/0x10 [ 50.463311] bpf_prog_create_from_user+0xb2/0x2f0 [ 50.464287] do_seccomp+0x349/0x25e0 [ 50.465053] ? find_held_lock+0x2b/0x80 [ 50.465884] ? do_prlimit+0x310/0x610 [ 50.466608] ? __pfx_do_seccomp+0x10/0x10 [ 50.467449] ? do_raw_spin_unlock+0x53/0x220 [ 50.468351] ? _raw_spin_unlock+0x1e/0x40 [ 50.469183] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 50.470220] ? static_key_count+0x60/0x80 [ 50.471077] prctl_set_seccomp+0x4e/0x70 [ 50.471916] __do_sys_prctl+0xe6c/0x1d70 [ 50.472716] ? __pfx___do_sys_prctl+0x10/0x10 [ 50.473638] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 50.474673] ? irqentry_exit+0xf3/0x650 [ 50.475483] do_syscall_64+0xbf/0x430 [ 50.476283] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 50.477293] RIP: 0033:0x7fa519c495cd [ 50.478048] 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 [ 50.481398] RSP: 002b:00007ffe813a21f0 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 50.482845] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007fa519c495cd [ 50.484201] RDX: 0000564480bfae00 RSI: 0000000000000002 RDI: 0000000000000016 [ 50.485449] RBP: 00007ffe813a2250 R08: 0000000000000000 R09: 00007ffe813a18f0 [ 50.486546] R10: 0000000000000000 R11: 0000000000000246 R12: 00005644a6e24bf0 [ 50.487644] R13: 00007ffe813a2680 R14: 00005644a6e2e380 R15: 00005644a6e39460 [ 50.488781] [ 50.489203] irq event stamp: 2507 [ 50.489709] hardirqs last enabled at (2515): [] __up_console_sem+0x78/0x80 [ 50.491017] hardirqs last disabled at (2524): [] __up_console_sem+0x5d/0x80 [ 50.492382] softirqs last enabled at (1996): [] handle_softirqs+0x50c/0x770 [ 50.493782] softirqs last disabled at (1981): [] __irq_exit_rcu+0xc4/0x100 [ 50.495163] ---[ end trace 0000000000000000 ]--- Warning: Permanently added '[localhost]:34602' (ECDSA) to the list of known hosts. 2025/11/18 00:33:37 fuzzer started 2025/11/18 00:33:37 dialing manager at localhost:37895 2025/11/18 00:33:37 checking machine... 2025/11/18 00:33:37 checking revisions... [ 51.404364] kmemleak: Automatic memory scanning thread ended 2025/11/18 00:33:37 testing simple program... [ 51.502570] cgroup: Unknown subsys name 'net' [ 51.560041] cgroup: Unknown subsys name 'cpuset' [ 51.576245] cgroup: Unknown subsys name 'rlimit' executing program executing program VM DIAGNOSIS: 00:33:36 Registers: info registers vcpu 0 RAX=0000000000000005 RBX=ffff8880162e8000 RCX=0000000000000000 RDX=0000000000000005 RSI=0000000000000000 RDI=ffffffff85e1ffe0 RBP=ffff8880162e8a58 RSP=ffff8880171777c0 R8 =0000000000000000 R9 =0000000000000005 R10=0000000000000001 R11=0000000000000000 R12=ffff8880162e8a58 R13=0000000000000003 R14=0000000000000000 R15=0000000000000000 RIP=ffffffff81527119 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 00007fb496004900 00000000 00000000 GS =0000 ffff8880e538f000 00000000 00000000 LDT=0000 fffffe4300000000 00000000 00000000 TR =0040 fffffe0000003000 00004087 00008b00 DPL=0 TSS64-busy GDT= fffffe0000001000 0000007f IDT= fffffe0000000000 00000fff CR0=80050033 CR2=00007fb4965bc0b0 CR3=00000000204f4000 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=2036333a33333a303020383120766f4e XMM01=657463656e6e6f63736944203a5d3134 XMM02=302e303120746f6f722072657375206d XMM03=203a5d3134325b646873732072656c6c XMM04=69662068637573206f4e203a656c6163 XMM05=3a656c696620766e65206e65706f206f XMM06=65733a6468737328766e655f6d617020 XMM07=6b7a79732036333a33333a3030203831 XMM08=30343d7974696c696261706163202279 XMM09=00000000000000000000000000000000 XMM10=00000000000000000000000000000000 XMM11=00000000000000000000000000000000 XMM12=00000000000000000000000000000000 XMM13=00000000000000000000000000000000 XMM14=00000000000000000000000000000000 XMM15=00000000000000000000000000000000 info registers vcpu 1 RAX=0000000000029229 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 fffffe0600000000 00000000 00000000 TR =0040 fffffe000004a000 00004087 00008b00 DPL=0 TSS64-busy GDT= fffffe0000048000 0000007f IDT= fffffe0000000000 00000fff CR0=80050033 CR2=00007fb4965b9650 CR3=0000000009ee8000 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=2036333a33333a303020383120766f4e XMM01=73732878696e755f6d6170203a5d3134 XMM02=65736f6c63206e6f6973736573203a29 XMM03=755f6d6170203a5d3134325b64687373 XMM04=69662068637573206f4e203a656c6163 XMM05=3a656c696620766e65206e65706f206f XMM06=65733a6468737328766e655f6d617020 XMM07=6b7a79732036333a33333a3030203831 XMM08=30343d7974696c696261706163202279 XMM09=00000000000000000000000000000000 XMM10=00000000000000000000000000000000 XMM11=00000000000000000000000000000000 XMM12=00000000000000000000000000000000 XMM13=00000000000000000000000000000000 XMM14=00000000000000000000000000000000 XMM15=00000000000000000000000000000000