syzkaller login: [ 46.751172] ------------[ cut here ]------------ [ 46.752096] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 46.754139] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#1: sshd/242 [ 46.755587] Modules linked in: [ 46.756188] CPU: 1 UID: 104 PID: 242 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251117 #1 PREEMPT(voluntary) [ 46.758438] Tainted: [W]=WARN [ 46.759012] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 46.760553] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 46.761469] 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 [ 46.764634] RSP: 0018:ffff8880170f7bc0 EFLAGS: 00010286 [ 46.765599] RAX: 0000000000000000 RBX: ffffed1002e1ef78 RCX: ffffffff813a4050 [ 46.766890] RDX: ffff888017679bc0 RSI: ffffffff813a405e RDI: 0000000000000001 [ 46.768169] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed1002e1ef2f [ 46.769439] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 46.770734] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff8880170f7df8 [ 46.772030] FS: 00007f395aefd900(0000) GS:ffff8880e548f000(0000) knlGS:0000000000000000 [ 46.773462] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 46.774515] CR2: 00007ffe74939ef8 CR3: 000000000bf89000 CR4: 0000000000350ef0 [ 46.775803] Call Trace: [ 46.776270] [ 46.776728] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 46.777622] ? __create_object+0x59/0x80 [ 46.778391] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 46.779355] __vmalloc_noprof+0x59/0x60 [ 46.780062] bpf_prog_alloc_no_stats+0x55/0x470 [ 46.780931] ? __pfx_seccomp_check_filter+0x10/0x10 [ 46.781866] bpf_prog_alloc+0x39/0x200 [ 46.782622] ? __pfx_seccomp_check_filter+0x10/0x10 [ 46.783555] bpf_prog_create_from_user+0xb2/0x2f0 [ 46.784457] do_seccomp+0x349/0x25e0 [ 46.785144] ? find_held_lock+0x2b/0x80 [ 46.785922] ? do_prlimit+0x310/0x610 [ 46.786668] ? __pfx_do_seccomp+0x10/0x10 [ 46.787461] ? do_raw_spin_unlock+0x53/0x220 [ 46.788257] ? _raw_spin_unlock+0x1e/0x40 [ 46.789033] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 46.789996] ? static_key_count+0x60/0x80 [ 46.790803] prctl_set_seccomp+0x4e/0x70 [ 46.791578] __do_sys_prctl+0xe6c/0x1d70 [ 46.792369] ? __pfx___do_sys_prctl+0x10/0x10 [ 46.793176] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 46.794129] ? irqentry_exit+0xf3/0x650 [ 46.794924] do_syscall_64+0xbf/0x430 [ 46.795675] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 46.796626] RIP: 0033:0x7f395b3ef5cd [ 46.797283] 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 [ 46.800482] RSP: 002b:00007ffe749387e0 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 46.801824] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f395b3ef5cd [ 46.803123] RDX: 00005627b1f7ae00 RSI: 0000000000000002 RDI: 0000000000000016 [ 46.804391] RBP: 00007ffe74938840 R08: 0000000000000000 R09: 00007ffe74937ee0 [ 46.805655] R10: 0000000000000000 R11: 0000000000000246 R12: 00005627f0ddfad0 [ 46.806936] R13: 00007ffe74938c70 R14: 00005627f0de0bc0 R15: 00005627f0df1780 [ 46.808226] [ 46.808690] irq event stamp: 1757 [ 46.809333] hardirqs last enabled at (1767): [] __up_console_sem+0x78/0x80 [ 46.810862] hardirqs last disabled at (1776): [] __up_console_sem+0x5d/0x80 [ 46.812374] softirqs last enabled at (1292): [] handle_softirqs+0x50c/0x770 [ 46.813906] softirqs last disabled at (1269): [] __irq_exit_rcu+0xc4/0x100 [ 46.815434] ---[ end trace 0000000000000000 ]--- [ 49.548778] ------------[ cut here ]------------ [ 49.549722] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 49.551736] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#1: sshd/249 [ 49.553171] Modules linked in: [ 49.553799] CPU: 1 UID: 104 PID: 249 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251117 #1 PREEMPT(voluntary) [ 49.557188] Tainted: [W]=WARN [ 49.557858] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 49.559330] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 49.560188] 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 [ 49.563334] RSP: 0018:ffff888017a07bc0 EFLAGS: 00010286 [ 49.564261] RAX: 0000000000000000 RBX: ffffed1002f40f78 RCX: ffffffff813a4050 [ 49.565567] RDX: ffff88801a7db780 RSI: ffffffff813a405e RDI: 0000000000000001 [ 49.566849] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed1002f40f2f [ 49.568112] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 49.569392] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff888017a07df8 [ 49.570678] FS: 00007fc7466f9900(0000) GS:ffff8880e548f000(0000) knlGS:0000000000000000 [ 49.572085] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 49.573132] CR2: 00007ffd15b51ef8 CR3: 000000002020b000 CR4: 0000000000350ef0 [ 49.574417] Call Trace: [ 49.574888] [ 49.575340] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 49.576196] ? __create_object+0x59/0x80 [ 49.576976] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 49.577951] __vmalloc_noprof+0x59/0x60 [ 49.578704] bpf_prog_alloc_no_stats+0x55/0x470 [ 49.579570] ? __pfx_seccomp_check_filter+0x10/0x10 [ 49.580480] bpf_prog_alloc+0x39/0x200 [ 49.581168] ? __pfx_seccomp_check_filter+0x10/0x10 [ 49.582080] bpf_prog_create_from_user+0xb2/0x2f0 [ 49.582979] do_seccomp+0x349/0x25e0 [ 49.583704] ? find_held_lock+0x2b/0x80 [ 49.584479] ? do_prlimit+0x310/0x610 [ 49.585182] ? __pfx_do_seccomp+0x10/0x10 [ 49.585961] ? do_raw_spin_unlock+0x53/0x220 [ 49.586815] ? _raw_spin_unlock+0x1e/0x40 [ 49.587608] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 49.588559] ? static_key_count+0x60/0x80 [ 49.589371] prctl_set_seccomp+0x4e/0x70 [ 49.590102] __do_sys_prctl+0xe6c/0x1d70 [ 49.590894] ? __pfx___do_sys_prctl+0x10/0x10 [ 49.591756] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 49.592739] ? irqentry_exit+0xf3/0x650 [ 49.593509] do_syscall_64+0xbf/0x430 [ 49.594204] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 49.595151] RIP: 0033:0x7fc746beb5cd [ 49.595849] 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 [ 49.599077] RSP: 002b:00007ffd15b502b0 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 49.600428] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007fc746beb5cd [ 49.601704] RDX: 000055b5a188de00 RSI: 0000000000000002 RDI: 0000000000000016 [ 49.602983] RBP: 00007ffd15b50310 R08: 0000000000000000 R09: 00007ffd15b4f9b0 [ 49.604259] R10: 0000000000000000 R11: 0000000000000246 R12: 000055b5bfff9ad0 [ 49.605562] R13: 00007ffd15b50740 R14: 000055b5bfffabc0 R15: 000055b5c000b780 [ 49.606872] [ 49.607336] irq event stamp: 2135 [ 49.607903] hardirqs last enabled at (2143): [] __up_console_sem+0x78/0x80 [ 49.609240] hardirqs last disabled at (2152): [] __up_console_sem+0x5d/0x80 [ 49.610576] softirqs last enabled at (2054): [] handle_softirqs+0x50c/0x770 [ 49.611948] softirqs last disabled at (2045): [] __irq_exit_rcu+0xc4/0x100 [ 49.613278] ---[ end trace 0000000000000000 ]--- [ 50.333480] ------------[ cut here ]------------ [ 50.334418] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 50.336513] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#0: sshd/256 [ 50.337979] Modules linked in: [ 50.338685] CPU: 0 UID: 104 PID: 256 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251117 #1 PREEMPT(voluntary) [ 50.340696] Tainted: [W]=WARN [ 50.341257] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 50.342727] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 50.343651] 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 [ 50.346831] RSP: 0018:ffff88801a8c7bc0 EFLAGS: 00010286 [ 50.347806] RAX: 0000000000000000 RBX: ffffed1003518f78 RCX: ffffffff813a4050 [ 50.349085] RDX: ffff88801a511bc0 RSI: ffffffff813a405e RDI: 0000000000000001 [ 50.350364] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed1003518f2f [ 50.351657] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 50.352950] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff88801a8c7df8 [ 50.354220] FS: 00007f42f3be1900(0000) GS:ffff8880e538f000(0000) knlGS:0000000000000000 [ 50.355687] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 50.356750] CR2: 00007f42f40d3580 CR3: 000000001fbcb000 CR4: 0000000000350ef0 [ 50.358024] Call Trace: [ 50.358521] [ 50.358933] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 50.359839] ? __create_object+0x59/0x80 [ 50.360622] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 50.361603] __vmalloc_noprof+0x59/0x60 [ 50.362363] bpf_prog_alloc_no_stats+0x55/0x470 [ 50.363198] ? __pfx_seccomp_check_filter+0x10/0x10 [ 50.364131] bpf_prog_alloc+0x39/0x200 [ 50.364874] ? __pfx_seccomp_check_filter+0x10/0x10 [ 50.365804] bpf_prog_create_from_user+0xb2/0x2f0 [ 50.366742] do_seccomp+0x349/0x25e0 [ 50.367473] ? __pfx_css_rstat_updated+0x10/0x10 [ 50.368370] ? __pfx_do_seccomp+0x10/0x10 [ 50.369120] ? find_held_lock+0x2b/0x80 [ 50.369885] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 50.370864] ? static_key_count+0x60/0x80 [ 50.371673] prctl_set_seccomp+0x4e/0x70 [ 50.372443] __do_sys_prctl+0xe6c/0x1d70 [ 50.373179] ? __pfx___do_sys_prctl+0x10/0x10 [ 50.374029] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 50.375001] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 50.375958] ? irqentry_exit+0xf3/0x650 [ 50.376728] do_syscall_64+0xbf/0x430 [ 50.377449] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 50.378390] RIP: 0033:0x7f42f40d35cd [ 50.379057] 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 [ 50.382199] RSP: 002b:00007fff11f261f0 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 50.383546] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f42f40d35cd [ 50.384832] RDX: 000055f84d0e1e00 RSI: 0000000000000002 RDI: 0000000000000016 [ 50.386094] RBP: 00007fff11f26250 R08: 0000000000000000 R09: 00007fff11f258f0 [ 50.387390] R10: 0000000000000000 R11: 0000000000000246 R12: 000055f84e0d6b10 [ 50.388670] R13: 00007fff11f26680 R14: 000055f84e0d72b0 R15: 000055f84e0eb6f0 [ 50.389965] [ 50.390414] irq event stamp: 1749 [ 50.391032] hardirqs last enabled at (1757): [] __up_console_sem+0x78/0x80 [ 50.392556] hardirqs last disabled at (1766): [] __up_console_sem+0x5d/0x80 [ 50.394058] softirqs last enabled at (1696): [] handle_softirqs+0x50c/0x770 [ 50.395610] softirqs last disabled at (1691): [] __irq_exit_rcu+0xc4/0x100 [ 50.397133] ---[ end trace 0000000000000000 ]--- Warning: Permanently added '[localhost]:34147' (ECDSA) to the list of known hosts. 2025/11/17 21:47:46 fuzzer started 2025/11/17 21:47:46 dialing manager at localhost:37895 2025/11/17 21:47:46 checking machine... 2025/11/17 21:47:46 checking revisions... [ 51.297050] kmemleak: Automatic memory scanning thread ended 2025/11/17 21:47:46 testing simple program... [ 51.372997] cgroup: Unknown subsys name 'net' [ 51.428481] cgroup: Unknown subsys name 'cpuset' [ 51.445727] cgroup: Unknown subsys name 'rlimit' executing program executing program executing program VM DIAGNOSIS: 21:47:45 Registers: info registers vcpu 0 RAX=0000000000000000 RBX=0000000000000000 RCX=0000000000000001 RDX=0000000000000000 RSI=0000000000000000 RDI=ffffffff8149f1a6 RBP=ffff88806ce08f48 RSP=ffff88806ce08e80 R8 =0000000000000000 R9 =fffffbfff0cc9eca R10=ffffffff8664f657 R11=0000000000000001 R12=ffff88806ce37340 R13=0000000000000007 R14=0000000000000280 R15=0000000000000007 RIP=ffffffff84c71d77 RFL=00000046 [---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 0000000000000000 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=000055e4ac1a2c78 CR3=000000000d87c000 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=367801247103f981a24eccfbe2fbfce4 XMM02=eff9b2d0a8fce9cb0000000000304a50 XMM03=2c67c8bc2e329bc30000000000304b78 XMM04=6b119575236a13c900000000000ae988 XMM05=d4dffbac9d772b6f00000000003210a8 XMM06=c825d8ff1c513aa3000000000031fbc0 XMM07=fb795ef6d6577056000000000030fd30 XMM08=2c67c8bc2e329bc30000000000304b78 XMM09=00000000000000000000000000000000 XMM10=00000000000000000000000000000000 XMM11=00000000000000000000000000000000 XMM12=00000000000000000000000000000000 XMM13=00000000000000000000000000000000 XMM14=00000000000000000000000000000000 XMM15=00000000000000000000000000000000 info registers vcpu 1 RAX=0000000000025dc9 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=00000206 [-----P-] 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 fffffe4400000000 00000000 00000000 TR =0040 fffffe000004a000 00004087 00008b00 DPL=0 TSS64-busy GDT= fffffe0000048000 0000007f IDT= fffffe0000000000 00000fff CR0=80050033 CR2=00007fdc42053030 CR3=000000000d878000 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=37343a313220373120766f4e3e36383c XMM01=7365733a646873732878696e755f6d61 XMM02=736f6c63206e6f6973736573203a296e XMM03=5f6d6170203a5d3834325b6468737320 XMM04=6456774875434142334f726f59427469 XMM05=485320415352203a3268737320343830 XMM06=206d6f726620746f6f7220726f662079 XMM07=00000000000000000000000000000000 XMM08=3a677562656420676f6c737973720000 XMM09=00000000000000000000000000000000 XMM10=00000000000000000000000000000000 XMM11=00000000000000000000000000000000 XMM12=00000000000000000000000000000000 XMM13=00000000000000000000000000000000 XMM14=00000000000000000000000000000000 XMM15=00000000000000000000000000000000