syzkaller login: [ 39.000987] ------------[ cut here ]------------ [ 39.001931] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 39.004472] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#1: sshd/234 [ 39.005966] Modules linked in: [ 39.006606] CPU: 1 UID: 104 PID: 234 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251118 #1 PREEMPT(voluntary) [ 39.008616] Tainted: [W]=WARN [ 39.009230] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 39.010738] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 39.011669] 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 [ 39.014901] RSP: 0018:ffff888016247bc0 EFLAGS: 00010286 [ 39.015892] RAX: 0000000000000000 RBX: ffffed1002c48f78 RCX: ffffffff813a4050 [ 39.017191] RDX: ffff88800b2a5340 RSI: ffffffff813a405e RDI: 0000000000000001 [ 39.018501] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed1002c48f2f [ 39.019797] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 39.021086] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff888016247df8 [ 39.022383] FS: 00007fe94882c900(0000) GS:ffff8880e548f000(0000) knlGS:0000000000000000 [ 39.023834] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 39.024913] CR2: 00007ffed1c59ef7 CR3: 000000000ca19000 CR4: 0000000000350ef0 [ 39.026218] Call Trace: [ 39.026696] [ 39.027163] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 39.028010] ? __create_object+0x59/0x80 [ 39.028812] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 39.029804] __vmalloc_noprof+0x59/0x60 [ 39.030572] bpf_prog_alloc_no_stats+0x55/0x470 [ 39.031436] ? __pfx_seccomp_check_filter+0x10/0x10 [ 39.032368] bpf_prog_alloc+0x39/0x200 [ 39.033105] ? __pfx_seccomp_check_filter+0x10/0x10 [ 39.034007] bpf_prog_create_from_user+0xb2/0x2f0 [ 39.034918] do_seccomp+0x349/0x25e0 [ 39.035621] ? find_held_lock+0x2b/0x80 [ 39.036391] ? do_prlimit+0x310/0x610 [ 39.037134] ? __pfx_do_seccomp+0x10/0x10 [ 39.037886] ? do_raw_spin_unlock+0x53/0x220 [ 39.038713] ? _raw_spin_unlock+0x1e/0x40 [ 39.039501] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 39.040473] ? static_key_count+0x60/0x80 [ 39.041288] prctl_set_seccomp+0x4e/0x70 [ 39.042023] __do_sys_prctl+0xe6c/0x1d70 [ 39.042805] ? __pfx___do_sys_prctl+0x10/0x10 [ 39.043669] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 39.044653] ? irqentry_exit+0xf3/0x650 [ 39.045430] do_syscall_64+0xbf/0x430 [ 39.046181] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 39.047139] RIP: 0033:0x7fe948d1e5cd [ 39.047795] 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 [ 39.051024] RSP: 002b:00007ffed1c58e70 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 39.052440] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007fe948d1e5cd [ 39.053750] RDX: 000055b28e4c3e00 RSI: 0000000000000002 RDI: 0000000000000016 [ 39.055072] RBP: 00007ffed1c58ed0 R08: 0000000000000000 R09: 00007ffed1c58570 [ 39.056374] R10: 0000000000000000 R11: 0000000000000246 R12: 000055b2c9cb82b0 [ 39.057695] R13: 00007ffed1c59300 R14: 000055b2c9cbad20 R15: 000055b2c9ccc8d0 [ 39.059005] [ 39.059492] irq event stamp: 1797 [ 39.060144] hardirqs last enabled at (1807): [] __up_console_sem+0x78/0x80 [ 39.061691] hardirqs last disabled at (1816): [] __up_console_sem+0x5d/0x80 [ 39.063206] softirqs last enabled at (1734): [] handle_softirqs+0x50c/0x770 [ 39.064746] softirqs last disabled at (1729): [] __irq_exit_rcu+0xc4/0x100 [ 39.066271] ---[ end trace 0000000000000000 ]--- [ 42.497946] ------------[ cut here ]------------ [ 42.498867] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 42.500783] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#1: sshd/243 [ 42.502195] Modules linked in: [ 42.502770] CPU: 1 UID: 104 PID: 243 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251118 #1 PREEMPT(voluntary) [ 42.506179] Tainted: [W]=WARN [ 42.506760] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 42.508366] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 42.509349] 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 [ 42.512747] RSP: 0018:ffff88801636fbc0 EFLAGS: 00010286 [ 42.513800] RAX: 0000000000000000 RBX: ffffed1002c6df78 RCX: ffffffff813a4050 [ 42.515094] RDX: ffff888016145340 RSI: ffffffff813a405e RDI: 0000000000000001 [ 42.516374] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed1002c6df2f [ 42.517646] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 42.518943] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff88801636fdf8 [ 42.520220] FS: 00007f784fa89900(0000) GS:ffff8880e548f000(0000) knlGS:0000000000000000 [ 42.521656] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 42.522741] CR2: 00007fffea27fef7 CR3: 000000001ae8b000 CR4: 0000000000350ef0 [ 42.524025] Call Trace: [ 42.524514] [ 42.524916] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 42.525834] ? __create_object+0x59/0x80 [ 42.526622] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 42.527617] __vmalloc_noprof+0x59/0x60 [ 42.528393] bpf_prog_alloc_no_stats+0x55/0x470 [ 42.529285] ? __pfx_seccomp_check_filter+0x10/0x10 [ 42.530228] bpf_prog_alloc+0x39/0x200 [ 42.530913] ? __pfx_seccomp_check_filter+0x10/0x10 [ 42.531830] bpf_prog_create_from_user+0xb2/0x2f0 [ 42.532720] do_seccomp+0x349/0x25e0 [ 42.533439] ? find_held_lock+0x2b/0x80 [ 42.534219] ? do_prlimit+0x310/0x610 [ 42.534941] ? __pfx_do_seccomp+0x10/0x10 [ 42.535742] ? do_raw_spin_unlock+0x53/0x220 [ 42.536604] ? _raw_spin_unlock+0x1e/0x40 [ 42.537398] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 42.538410] ? static_key_count+0x60/0x80 [ 42.539236] prctl_set_seccomp+0x4e/0x70 [ 42.539991] __do_sys_prctl+0xe6c/0x1d70 [ 42.540796] ? __pfx___do_sys_prctl+0x10/0x10 [ 42.541655] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 42.542653] ? irqentry_exit+0xf3/0x650 [ 42.543428] do_syscall_64+0xbf/0x430 [ 42.544174] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 42.545166] RIP: 0033:0x7f784ff7b5cd [ 42.545861] 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 [ 42.549080] RSP: 002b:00007fffea27e5f0 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 42.550488] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f784ff7b5cd [ 42.551789] RDX: 0000555646224e00 RSI: 0000000000000002 RDI: 0000000000000016 [ 42.553097] RBP: 00007fffea27e650 R08: 0000000000000000 R09: 00007fffea27dcf0 [ 42.554406] R10: 0000000000000000 R11: 0000000000000246 R12: 000055567fe21bf0 [ 42.555704] R13: 00007fffea27ea80 R14: 000055567fe2b380 R15: 000055567fe36460 [ 42.557023] [ 42.557504] irq event stamp: 2069 [ 42.558169] hardirqs last enabled at (2079): [] __up_console_sem+0x78/0x80 [ 42.559721] hardirqs last disabled at (2088): [] __up_console_sem+0x5d/0x80 [ 42.561263] softirqs last enabled at (1614): [] handle_softirqs+0x50c/0x770 [ 42.562824] softirqs last disabled at (1609): [] __irq_exit_rcu+0xc4/0x100 [ 42.564346] ---[ end trace 0000000000000000 ]--- [ 43.354464] ------------[ cut here ]------------ [ 43.355415] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 43.357446] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#0: sshd/250 [ 43.358972] Modules linked in: [ 43.359640] CPU: 0 UID: 104 PID: 250 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251118 #1 PREEMPT(voluntary) [ 43.361666] Tainted: [W]=WARN [ 43.362276] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 43.363758] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 43.364685] 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 [ 43.367911] RSP: 0018:ffff88801a0cfbc0 EFLAGS: 00010286 [ 43.368897] RAX: 0000000000000000 RBX: ffffed1003419f78 RCX: ffffffff813a4050 [ 43.370243] RDX: ffff8880187f8000 RSI: ffffffff813a405e RDI: 0000000000000001 [ 43.371546] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed1003419f2f [ 43.372851] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 43.374151] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff88801a0cfdf8 [ 43.375467] FS: 00007f27d7795900(0000) GS:ffff8880e538f000(0000) knlGS:0000000000000000 [ 43.376913] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 43.378011] CR2: 00007f27d7c87580 CR3: 000000000c263000 CR4: 0000000000350ef0 [ 43.379320] Call Trace: [ 43.379791] [ 43.380251] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 43.381162] ? __create_object+0x59/0x80 [ 43.381909] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 43.382898] __vmalloc_noprof+0x59/0x60 [ 43.383660] bpf_prog_alloc_no_stats+0x55/0x470 [ 43.384540] ? __pfx_seccomp_check_filter+0x10/0x10 [ 43.385487] bpf_prog_alloc+0x39/0x200 [ 43.386243] ? __pfx_seccomp_check_filter+0x10/0x10 [ 43.387184] bpf_prog_create_from_user+0xb2/0x2f0 [ 43.388037] do_seccomp+0x349/0x25e0 [ 43.388757] ? __pfx_css_rstat_updated+0x10/0x10 [ 43.389676] ? __pfx_do_seccomp+0x10/0x10 [ 43.390495] ? find_held_lock+0x2b/0x80 [ 43.391266] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 43.392236] ? static_key_count+0x60/0x80 [ 43.392994] prctl_set_seccomp+0x4e/0x70 [ 43.393783] __do_sys_prctl+0xe6c/0x1d70 [ 43.394575] ? __pfx___do_sys_prctl+0x10/0x10 [ 43.395450] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 43.396426] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 43.397401] ? irqentry_exit+0xf3/0x650 [ 43.398198] do_syscall_64+0xbf/0x430 [ 43.398920] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 43.399882] RIP: 0033:0x7f27d7c875cd [ 43.400593] 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 [ 43.403484] RSP: 002b:00007ffe14168290 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 43.404604] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f27d7c875cd [ 43.405662] RDX: 000055aa67370e00 RSI: 0000000000000002 RDI: 0000000000000016 [ 43.406743] RBP: 00007ffe141682f0 R08: 0000000000000000 R09: 00007ffe14167990 [ 43.407808] R10: 0000000000000000 R11: 0000000000000246 R12: 000055aa936a3ad0 [ 43.408879] R13: 00007ffe14168720 R14: 000055aa936a4bc0 R15: 000055aa936b5780 [ 43.409972] [ 43.410351] irq event stamp: 1805 [ 43.410846] hardirqs last enabled at (1813): [] __up_console_sem+0x78/0x80 [ 43.412104] hardirqs last disabled at (1822): [] __up_console_sem+0x5d/0x80 [ 43.413354] softirqs last enabled at (1782): [] handle_softirqs+0x50c/0x770 [ 43.414639] softirqs last disabled at (1777): [] __irq_exit_rcu+0xc4/0x100 [ 43.415889] ---[ end trace 0000000000000000 ]--- Warning: Permanently added '[localhost]:5921' (ECDSA) to the list of known hosts. 2025/11/18 13:44:39 fuzzer started 2025/11/18 13:44:40 dialing manager at localhost:34383 2025/11/18 13:44:40 checking machine... 2025/11/18 13:44:40 checking revisions... [ 44.340441] kmemleak: Automatic memory scanning thread ended 2025/11/18 13:44:40 testing simple program... [ 44.418288] cgroup: Unknown subsys name 'net' [ 44.466918] cgroup: Unknown subsys name 'cpuset' [ 44.485328] cgroup: Unknown subsys name 'rlimit' executing program executing program VM DIAGNOSIS: 13:44:39 Registers: info registers vcpu 0 RAX=ffffffff85f10a38 RBX=ffff8880170e0000 RCX=0000000000000000 RDX=0000000000000000 RSI=0000000000000000 RDI=ffffffff85f10a38 RBP=ffffffff85f10a38 RSP=ffff88806ce08cb0 R8 =0000000000000001 R9 =0000000000000001 R10=0000000000000001 R11=0000000000000000 R12=0000000000000000 R13=0000000000000000 R14=0000000000000000 R15=0000000000000000 RIP=ffffffff81526f24 RFL=00000002 [-------] 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 00007f784fa89900 00000000 00000000 GS =0000 ffff8880e538f000 00000000 00000000 LDT=0000 fffffe1600000000 00000000 00000000 TR =0040 fffffe0000003000 00004087 00008b00 DPL=0 TSS64-busy GDT= fffffe0000001000 0000007f IDT= fffffe0000000000 00000fff CR0=80050033 CR2=00007f785003e650 CR3=000000001af98000 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=000000000000000000000000000000ff XMM02=000000000000000000000000000000ff XMM03=5320444f4854454d5f54505952434e45 XMM04=40404040404040404040404040404040 XMM05=5a5a5a5a5a5a5a5a5a5a5a5a5a5a5a5a XMM06=20202020202020202020202020202020 XMM07=00000000000000000000000000000000 XMM08=ffbc64ffffbc44ffffbc34ffffbc9f00 XMM09=00000000000000000000000000000000 XMM10=00000000000000000000000000000000 XMM11=00000000000000000000000000000000 XMM12=00000000000000000000000000000000 XMM13=00000000000000000000000000000000 XMM14=00000000000000000000000000000000 XMM15=00000000000000000000000000000000 info registers vcpu 1 RAX=00000000000000c2 RBX=ffff8880096fb780 RCX=0000000000000200 RDX=0000000000000008 RSI=ffff8880096fc200 RDI=ffff8880096fc1d8 RBP=ffff8880096fc1d8 RSP=ffff8880097579f8 R8 =0000000000000001 R9 =0000000000000000 R10=0000000000000001 R11=0000000000000000 R12=ffff8880096fc200 R13=851011111a724f4f R14=0000000000000000 R15=0000000000000001 RIP=ffffffff815228f5 RFL=00000003 [------C] 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 ffff8880e548f000 00000000 00000000 LDT=0000 fffffe2500000000 00000000 00000000 TR =0040 fffffe000004a000 00004087 00008b00 DPL=0 TSS64-busy GDT= fffffe0000048000 0000007f IDT= fffffe0000000000 00000fff CR0=80050033 CR2=000055567fe49318 CR3=000000000dbe8000 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=2039333a34343a333120383120766f4e XMM01=657463656e6e6f63736944203a5d3234 XMM02=302e303120746f6f722072657375206d XMM03=203a5d3234325b646873732072656c6c XMM04=69662068637573206f4e203a656c6163 XMM05=3a656c696620766e65206e65706f206f XMM06=65733a6468737328766e655f6d617020 XMM07=6b7a79732038333a34343a3331203831 XMM08=30343d7974696c696261706163202279 XMM09=00000000000000000000000000000000 XMM10=00000000000000000000000000000000 XMM11=00000000000000000000000000000000 XMM12=00000000000000000000000000000000 XMM13=00000000000000000000000000000000 XMM14=00000000000000000000000000000000 XMM15=00000000000000000000000000000000