syzkaller login: [ 45.697251] ------------[ cut here ]------------ [ 45.698032] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 45.699690] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#1: sshd/235 [ 45.700904] Modules linked in: [ 45.701392] CPU: 1 UID: 104 PID: 235 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251118 #1 PREEMPT(voluntary) [ 45.703047] Tainted: [W]=WARN [ 45.703549] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 45.704768] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 45.705528] 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 [ 45.708200] RSP: 0018:ffff8880143bfbc0 EFLAGS: 00010286 [ 45.709012] RAX: 0000000000000000 RBX: ffffed1002877f78 RCX: ffffffff813a4050 [ 45.710085] RDX: ffff888016ea9bc0 RSI: ffffffff813a405e RDI: 0000000000000001 [ 45.711159] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed1002877f2f [ 45.712268] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 45.713347] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff8880143bfdf8 [ 45.714436] FS: 00007f9597f36900(0000) GS:ffff8880e548f000(0000) knlGS:0000000000000000 [ 45.715638] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 45.716524] CR2: 00007f9598428580 CR3: 000000000d039000 CR4: 0000000000350ef0 [ 45.717593] Call Trace: [ 45.717981] [ 45.718331] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 45.719074] ? __create_object+0x59/0x80 [ 45.719722] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 45.720517] __vmalloc_noprof+0x59/0x60 [ 45.721118] bpf_prog_alloc_no_stats+0x55/0x470 [ 45.721834] ? __pfx_seccomp_check_filter+0x10/0x10 [ 45.722626] bpf_prog_alloc+0x39/0x200 [ 45.723202] ? __pfx_seccomp_check_filter+0x10/0x10 [ 45.723976] bpf_prog_create_from_user+0xb2/0x2f0 [ 45.724733] do_seccomp+0x349/0x25e0 [ 45.725295] ? __pfx_css_rstat_updated+0x10/0x10 [ 45.726052] ? __pfx_do_seccomp+0x10/0x10 [ 45.726707] ? find_held_lock+0x2b/0x80 [ 45.727301] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 45.728098] ? static_key_count+0x60/0x80 [ 45.728753] prctl_set_seccomp+0x4e/0x70 [ 45.729364] __do_sys_prctl+0xe6c/0x1d70 [ 45.730015] ? __pfx___do_sys_prctl+0x10/0x10 [ 45.730742] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 45.731550] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 45.732316] ? irqentry_exit+0xf3/0x650 [ 45.732954] do_syscall_64+0xbf/0x430 [ 45.733577] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 45.734339] RIP: 0033:0x7f95984285cd [ 45.734929] 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 [ 45.737564] RSP: 002b:00007ffcae427460 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 45.738709] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f95984285cd [ 45.739782] RDX: 000055bc8cc14e00 RSI: 0000000000000002 RDI: 0000000000000016 [ 45.740854] RBP: 00007ffcae4274c0 R08: 0000000000000000 R09: 00007ffcae426b60 [ 45.741917] R10: 0000000000000000 R11: 0000000000000246 R12: 000055bcc10f7ad0 [ 45.743000] R13: 00007ffcae4278f0 R14: 000055bcc10f8bc0 R15: 000055bcc1109780 [ 45.744093] [ 45.744479] irq event stamp: 1705 [ 45.744980] hardirqs last enabled at (1713): [] __up_console_sem+0x78/0x80 [ 45.746257] hardirqs last disabled at (1722): [] __up_console_sem+0x5d/0x80 [ 45.747521] softirqs last enabled at (1322): [] handle_softirqs+0x50c/0x770 [ 45.748799] softirqs last disabled at (1317): [] __irq_exit_rcu+0xc4/0x100 [ 45.750072] ---[ end trace 0000000000000000 ]--- [ 48.897608] ------------[ cut here ]------------ [ 48.898585] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 48.900607] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#0: sshd/244 [ 48.902095] Modules linked in: [ 48.902750] CPU: 0 UID: 104 PID: 244 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251118 #1 PREEMPT(voluntary) [ 48.904759] Tainted: [W]=WARN [ 48.905321] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 48.906820] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 48.907745] 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 [ 48.910971] RSP: 0018:ffff88801a9f7bc0 EFLAGS: 00010286 [ 48.911967] RAX: 0000000000000000 RBX: ffffed100353ef78 RCX: ffffffff813a4050 [ 48.913272] RDX: ffff8880176b1bc0 RSI: ffffffff813a405e RDI: 0000000000000001 [ 48.914585] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed100353ef2f [ 48.915889] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 48.917185] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff88801a9f7df8 [ 48.918500] FS: 00007f453ea16900(0000) GS:ffff8880e538f000(0000) knlGS:0000000000000000 [ 48.919973] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 48.921053] CR2: 00007f453ef08580 CR3: 000000000dff9000 CR4: 0000000000350ef0 [ 48.922366] Call Trace: [ 48.922872] [ 48.923288] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 48.924198] ? __create_object+0x59/0x80 [ 48.925004] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 48.925995] __vmalloc_noprof+0x59/0x60 [ 48.926778] bpf_prog_alloc_no_stats+0x55/0x470 [ 48.927672] ? __pfx_seccomp_check_filter+0x10/0x10 [ 48.928624] bpf_prog_alloc+0x39/0x200 [ 48.929327] ? __pfx_seccomp_check_filter+0x10/0x10 [ 48.930277] bpf_prog_create_from_user+0xb2/0x2f0 [ 48.931199] do_seccomp+0x349/0x25e0 [ 48.931938] ? __pfx_css_rstat_updated+0x10/0x10 [ 48.932853] ? __pfx_do_seccomp+0x10/0x10 [ 48.933649] ? find_held_lock+0x2b/0x80 [ 48.934389] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 48.935363] ? static_key_count+0x60/0x80 [ 48.936161] prctl_set_seccomp+0x4e/0x70 [ 48.936949] __do_sys_prctl+0xe6c/0x1d70 [ 48.937748] ? __pfx___do_sys_prctl+0x10/0x10 [ 48.938626] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 48.939592] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 48.940574] ? irqentry_exit+0xf3/0x650 [ 48.941305] do_syscall_64+0xbf/0x430 [ 48.942069] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 48.943039] RIP: 0033:0x7f453ef085cd [ 48.943764] 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 [ 48.946987] RSP: 002b:00007ffc25994df0 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 48.948367] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f453ef085cd [ 48.949663] RDX: 00005597d880ae00 RSI: 0000000000000002 RDI: 0000000000000016 [ 48.950988] RBP: 00007ffc25994e50 R08: 0000000000000000 R09: 00007ffc259944f0 [ 48.952288] R10: 0000000000000000 R11: 0000000000000246 R12: 00005597eb3f4ad0 [ 48.953597] R13: 00007ffc25995280 R14: 00005597eb3f5bc0 R15: 00005597eb406780 [ 48.954927] [ 48.955358] irq event stamp: 1725 [ 48.956015] hardirqs last enabled at (1735): [] __up_console_sem+0x78/0x80 [ 48.957563] hardirqs last disabled at (1744): [] __up_console_sem+0x5d/0x80 [ 48.959121] softirqs last enabled at (1704): [] handle_softirqs+0x50c/0x770 [ 48.960691] softirqs last disabled at (1699): [] __irq_exit_rcu+0xc4/0x100 [ 48.962234] ---[ end trace 0000000000000000 ]--- [ 49.567978] ------------[ cut here ]------------ [ 49.568929] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 49.570975] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#1: sshd/251 [ 49.572433] Modules linked in: [ 49.573078] CPU: 1 UID: 104 PID: 251 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251118 #1 PREEMPT(voluntary) [ 49.575116] Tainted: [W]=WARN [ 49.575728] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 49.578667] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 49.579888] 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 [ 49.583171] RSP: 0018:ffff888016807bc0 EFLAGS: 00010286 [ 49.584157] RAX: 0000000000000000 RBX: ffffed1002d00f78 RCX: ffffffff813a4050 [ 49.585431] RDX: ffff88801aaf5340 RSI: ffffffff813a405e RDI: 0000000000000001 [ 49.586743] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed1002d00f2f [ 49.588026] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 49.589337] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff888016807df8 [ 49.590649] FS: 00007f0b2f982900(0000) GS:ffff8880e548f000(0000) knlGS:0000000000000000 [ 49.592119] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 49.593198] CR2: 00007f0b2fe74580 CR3: 000000000e066000 CR4: 0000000000350ef0 [ 49.594509] Call Trace: [ 49.594988] [ 49.595396] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 49.596336] ? __create_object+0x59/0x80 [ 49.597141] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 49.598145] __vmalloc_noprof+0x59/0x60 [ 49.598903] bpf_prog_alloc_no_stats+0x55/0x470 [ 49.599788] ? __pfx_seccomp_check_filter+0x10/0x10 [ 49.600744] bpf_prog_alloc+0x39/0x200 [ 49.601498] ? __pfx_seccomp_check_filter+0x10/0x10 [ 49.602413] bpf_prog_create_from_user+0xb2/0x2f0 [ 49.603346] do_seccomp+0x349/0x25e0 [ 49.604054] ? __pfx_css_rstat_updated+0x10/0x10 [ 49.604967] ? __pfx_do_seccomp+0x10/0x10 [ 49.605768] ? find_held_lock+0x2b/0x80 [ 49.606540] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 49.607511] ? static_key_count+0x60/0x80 [ 49.608281] prctl_set_seccomp+0x4e/0x70 [ 49.609072] __do_sys_prctl+0xe6c/0x1d70 [ 49.609878] ? __pfx___do_sys_prctl+0x10/0x10 [ 49.610758] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 49.611733] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 49.612695] ? irqentry_exit+0xf3/0x650 [ 49.613486] do_syscall_64+0xbf/0x430 [ 49.614190] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 49.615159] RIP: 0033:0x7f0b2fe745cd [ 49.615854] 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 [ 49.619101] RSP: 002b:00007fffe4682890 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 49.620498] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f0b2fe745cd [ 49.621797] RDX: 000055c84bdebe00 RSI: 0000000000000002 RDI: 0000000000000016 [ 49.623102] RBP: 00007fffe46828f0 R08: 0000000000000000 R09: 00007fffe4681f90 [ 49.624427] R10: 0000000000000000 R11: 0000000000000246 R12: 000055c8767d6ad0 [ 49.625741] R13: 00007fffe4682d20 R14: 000055c8767d7bc0 R15: 000055c8767e8780 [ 49.627002] [ 49.627363] irq event stamp: 2097 [ 49.627903] hardirqs last enabled at (2107): [] __up_console_sem+0x78/0x80 [ 49.629185] hardirqs last disabled at (2116): [] __up_console_sem+0x5d/0x80 [ 49.630472] softirqs last enabled at (1650): [] handle_softirqs+0x50c/0x770 [ 49.631762] softirqs last disabled at (1591): [] __irq_exit_rcu+0xc4/0x100 [ 49.633031] ---[ end trace 0000000000000000 ]--- Warning: Permanently added '[localhost]:58553' (ECDSA) to the list of known hosts. 2025/11/18 14:23:26 fuzzer started 2025/11/18 14:23:26 dialing manager at localhost:34383 2025/11/18 14:23:26 checking machine... 2025/11/18 14:23:26 checking revisions... [ 50.481115] kmemleak: Automatic memory scanning thread ended 2025/11/18 14:23:26 testing simple program... [ 50.565822] cgroup: Unknown subsys name 'net' [ 50.633214] cgroup: Unknown subsys name 'cpuset' [ 50.645348] cgroup: Unknown subsys name 'rlimit' executing program executing program executing program VM DIAGNOSIS: 14:23:25 Registers: info registers vcpu 0 RAX=0000000000000000 RBX=ffff88806ce08db8 RCX=ffff88806ce089a4 RDX=0000000000000001 RSI=ffffffff85e1ffe0 RDI=ffff888016794200 RBP=ffff88806ce01000 RSP=ffff88806ce089c8 R8 =0000000000000001 R9 =ffff88806ce08a90 R10=000000000003c9ed R11=000000000002575e R12=ffff88806ce08a01 R13=ffff88806ce08a98 R14=ffff888016793780 R15=0000000000000002 RIP=ffffffff81529029 RFL=00000292 [--S-A--] 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 00007f453ea16900 00000000 00000000 GS =0000 ffff8880e538f000 00000000 00000000 LDT=0000 fffffe3d00000000 00000000 00000000 TR =0040 fffffe0000003000 00004087 00008b00 DPL=0 TSS64-busy GDT= fffffe0000001000 0000007f IDT= fffffe0000000000 00000fff CR0=80050033 CR2=00007f453e9d6008 CR3=000000000c5f0000 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=652022746f6f72223d74636361207469 XMM02=3d6c616e696d72657420322e322e302e XMM03=3d656d616e74736f682022646873732f XMM04=40404040404040404040404040404040 XMM05=5a5a5a5a5a5a5a5a5a5a5a5a5a5a5a5a XMM06=20202020202020202020202020202020 XMM07=00000000000000000000000000000000 XMM08=652075253d64692073253d706f000000 XMM09=00000000000000000000000000000000 XMM10=00000000000000000000000000000000 XMM11=00000000000000000000000000000000 XMM12=00000000000000000000000000000000 XMM13=00000000000000000000000000000000 XMM14=00000000000000000000000000000000 XMM15=00000000000000000000000000000000 info registers vcpu 1 RAX=000000000002c731 RBX=0000000000000001 RCX=ffffffff84c72d57 RDX=0000000000000000 RSI=0000000000000000 RDI=ffffffff814d2c90 RBP=dffffc0000000000 RSP=ffff8880096efe58 R8 =0000000000000001 R9 =ffffed100d9e639a R10=ffff88806cf31cd3 R11=0000000000000001 R12=ffffffff8664f850 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 fffffe2800000000 00000000 00000000 TR =0040 fffffe000004a000 00004087 00008b00 DPL=0 TSS64-busy GDT= fffffe0000048000 0000007f IDT= fffffe0000000000 00000fff CR0=80050033 CR2=00007f7c733694e8 CR3=000000000dd40000 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=89efc75b7abe219e4643501450c84b21 XMM02=00000000003035c8ec2efd57dc4c00df XMM03=000000000030eb70464546ba8dc3138f XMM04=d989cf6b9383f34b00000000000ae988 XMM05=0394861f14684e59000000000031e640 XMM06=3e829fc8c8edc990000000000031e4c8 XMM07=e042d86d42eb936e000000000030ee48 XMM08=464546ba8dc3138f0000000000303628 XMM09=00000000000000000000000000000000 XMM10=00000000000000000000000000000000 XMM11=00000000000000000000000000000000 XMM12=00000000000000000000000000000000 XMM13=00000000000000000000000000000000 XMM14=00000000000000000000000000000000 XMM15=00000000000000000000000000000000