syzkaller login: [ 39.015857] ------------[ cut here ]------------ [ 39.016607] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 39.018362] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#1: sshd/232 [ 39.019597] Modules linked in: [ 39.020121] CPU: 1 UID: 104 PID: 232 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251117 #1 PREEMPT(voluntary) [ 39.021837] Tainted: [W]=WARN [ 39.022318] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 39.023599] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 39.024390] 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 [ 39.027114] RSP: 0018:ffff888018337bc0 EFLAGS: 00010286 [ 39.027972] RAX: 0000000000000000 RBX: ffffed1003066f78 RCX: ffffffff813a4050 [ 39.029074] RDX: ffff88800f0d8000 RSI: ffffffff813a405e RDI: 0000000000000001 [ 39.030225] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed1003066f2f [ 39.031331] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 39.032445] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff888018337df8 [ 39.033581] FS: 00007f6607ea6900(0000) GS:ffff8880e548f000(0000) knlGS:0000000000000000 [ 39.034846] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 39.035709] CR2: 00007f6608398580 CR3: 0000000009a0f000 CR4: 0000000000350ef0 [ 39.036833] Call Trace: [ 39.037252] [ 39.037610] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 39.038393] ? __create_object+0x59/0x80 [ 39.039047] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 39.039874] __vmalloc_noprof+0x59/0x60 [ 39.040489] bpf_prog_alloc_no_stats+0x55/0x470 [ 39.041242] ? __pfx_seccomp_check_filter+0x10/0x10 [ 39.042057] bpf_prog_alloc+0x39/0x200 [ 39.042658] ? __pfx_seccomp_check_filter+0x10/0x10 [ 39.043461] bpf_prog_create_from_user+0xb2/0x2f0 [ 39.044240] do_seccomp+0x349/0x25e0 [ 39.044840] ? __pfx_css_rstat_updated+0x10/0x10 [ 39.045595] ? __pfx_do_seccomp+0x10/0x10 [ 39.046284] ? find_held_lock+0x2b/0x80 [ 39.046932] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 39.047709] ? static_key_count+0x60/0x80 [ 39.048407] prctl_set_seccomp+0x4e/0x70 [ 39.049063] __do_sys_prctl+0xe6c/0x1d70 [ 39.049728] ? __pfx___do_sys_prctl+0x10/0x10 [ 39.050472] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 39.051308] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 39.052125] ? irqentry_exit+0xf3/0x650 [ 39.052792] do_syscall_64+0xbf/0x430 [ 39.053410] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 39.054247] RIP: 0033:0x7f66083985cd [ 39.054829] 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 [ 39.057515] RSP: 002b:00007ffde90384e0 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 39.058714] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f66083985cd [ 39.059848] RDX: 000055dd520d1e00 RSI: 0000000000000002 RDI: 0000000000000016 [ 39.060939] RBP: 00007ffde9038540 R08: 0000000000000000 R09: 00007ffde9037be0 [ 39.062052] R10: 0000000000000000 R11: 0000000000000246 R12: 000055dd85192bf0 [ 39.063159] R13: 00007ffde9038970 R14: 000055dd8519c380 R15: 000055dd851a7460 [ 39.064280] [ 39.064638] irq event stamp: 1721 [ 39.065207] hardirqs last enabled at (1731): [] __up_console_sem+0x78/0x80 [ 39.066526] hardirqs last disabled at (1740): [] __up_console_sem+0x5d/0x80 [ 39.067829] softirqs last enabled at (1658): [] handle_softirqs+0x50c/0x770 [ 39.069146] softirqs last disabled at (1653): [] __irq_exit_rcu+0xc4/0x100 [ 39.070485] ---[ end trace 0000000000000000 ]--- [ 42.376792] ------------[ cut here ]------------ [ 42.377706] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 42.379830] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#1: sshd/242 [ 42.381475] Modules linked in: [ 42.382199] CPU: 1 UID: 104 PID: 242 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251117 #1 PREEMPT(voluntary) [ 42.384191] Tainted: [W]=WARN [ 42.384782] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 42.386279] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 42.387202] 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 [ 42.390396] RSP: 0018:ffff888017687bc0 EFLAGS: 00010286 [ 42.391367] RAX: 0000000000000000 RBX: ffffed1002ed0f78 RCX: ffffffff813a4050 [ 42.392647] RDX: ffff8880197ed340 RSI: ffffffff813a405e RDI: 0000000000000001 [ 42.393939] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed1002ed0f2f [ 42.395224] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 42.396508] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff888017687df8 [ 42.397833] FS: 00007f01bc7a4900(0000) GS:ffff8880e548f000(0000) knlGS:0000000000000000 [ 42.399271] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 42.400319] CR2: 00007f01bcc96580 CR3: 000000002033d000 CR4: 0000000000350ef0 [ 42.401624] Call Trace: [ 42.402118] [ 42.402529] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 42.403417] ? __create_object+0x59/0x80 [ 42.404194] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 42.405169] __vmalloc_noprof+0x59/0x60 [ 42.405943] bpf_prog_alloc_no_stats+0x55/0x470 [ 42.406825] ? __pfx_seccomp_check_filter+0x10/0x10 [ 42.407703] bpf_prog_alloc+0x39/0x200 [ 42.408435] ? __pfx_seccomp_check_filter+0x10/0x10 [ 42.409370] bpf_prog_create_from_user+0xb2/0x2f0 [ 42.410291] do_seccomp+0x349/0x25e0 [ 42.411008] ? __pfx_css_rstat_updated+0x10/0x10 [ 42.411915] ? __pfx_do_seccomp+0x10/0x10 [ 42.412651] ? find_held_lock+0x2b/0x80 [ 42.413409] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 42.414379] ? static_key_count+0x60/0x80 [ 42.415196] prctl_set_seccomp+0x4e/0x70 [ 42.415960] __do_sys_prctl+0xe6c/0x1d70 [ 42.416714] ? __pfx___do_sys_prctl+0x10/0x10 [ 42.417571] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 42.418548] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 42.419535] ? irqentry_exit+0xf3/0x650 [ 42.420304] do_syscall_64+0xbf/0x430 [ 42.421032] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 42.422012] RIP: 0033:0x7f01bcc965cd [ 42.422660] 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 [ 42.425833] RSP: 002b:00007ffd741e6150 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 42.427171] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f01bcc965cd [ 42.428460] RDX: 000056459ffd3e00 RSI: 0000000000000002 RDI: 0000000000000016 [ 42.429761] RBP: 00007ffd741e61b0 R08: 0000000000000000 R09: 00007ffd741e5850 [ 42.431047] R10: 0000000000000000 R11: 0000000000000246 R12: 00005645cb41fad0 [ 42.432323] R13: 00007ffd741e65e0 R14: 00005645cb420bc0 R15: 00005645cb431780 [ 42.433620] [ 42.434098] irq event stamp: 1847 [ 42.434715] hardirqs last enabled at (1855): [] __up_console_sem+0x78/0x80 [ 42.436270] hardirqs last disabled at (1866): [] __up_console_sem+0x5d/0x80 [ 42.437830] softirqs last enabled at (1604): [] handle_softirqs+0x50c/0x770 [ 42.439195] softirqs last disabled at (1599): [] __irq_exit_rcu+0xc4/0x100 [ 42.440436] ---[ end trace 0000000000000000 ]--- [ 43.176712] ------------[ cut here ]------------ [ 43.177723] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 43.179935] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#0: sshd/249 [ 43.181444] Modules linked in: [ 43.182112] CPU: 0 UID: 104 PID: 249 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251117 #1 PREEMPT(voluntary) [ 43.184129] Tainted: [W]=WARN [ 43.184693] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 43.186201] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 43.187137] 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 [ 43.190380] RSP: 0018:ffff88800f11fbc0 EFLAGS: 00010286 [ 43.191388] RAX: 0000000000000000 RBX: ffffed1001e23f78 RCX: ffffffff813a4050 [ 43.192704] RDX: ffff888016fa0000 RSI: ffffffff813a405e RDI: 0000000000000001 [ 43.194056] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed1001e23f2f [ 43.195395] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 43.196710] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff88800f11fdf8 [ 43.198069] FS: 00007fbd0d89b900(0000) GS:ffff8880e538f000(0000) knlGS:0000000000000000 [ 43.199547] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 43.200653] CR2: 00007ffde00b3ef7 CR3: 000000000cf12000 CR4: 0000000000350ef0 [ 43.201984] Call Trace: [ 43.202465] [ 43.202942] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 43.203883] ? __create_object+0x59/0x80 [ 43.204648] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 43.205668] __vmalloc_noprof+0x59/0x60 [ 43.206496] bpf_prog_alloc_no_stats+0x55/0x470 [ 43.207443] ? __pfx_seccomp_check_filter+0x10/0x10 [ 43.208414] bpf_prog_alloc+0x39/0x200 [ 43.209177] ? __pfx_seccomp_check_filter+0x10/0x10 [ 43.210163] bpf_prog_create_from_user+0xb2/0x2f0 [ 43.211114] do_seccomp+0x349/0x25e0 [ 43.212417] ? find_held_lock+0x2b/0x80 [ 43.213215] ? do_prlimit+0x310/0x610 [ 43.214026] ? __pfx_do_seccomp+0x10/0x10 [ 43.214862] ? do_raw_spin_unlock+0x53/0x220 [ 43.215681] ? _raw_spin_unlock+0x1e/0x40 [ 43.216497] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 43.217506] ? static_key_count+0x60/0x80 [ 43.218486] prctl_set_seccomp+0x4e/0x70 [ 43.219434] __do_sys_prctl+0xe6c/0x1d70 [ 43.220398] ? __pfx___do_sys_prctl+0x10/0x10 [ 43.221439] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 43.222630] ? irqentry_exit+0xf3/0x650 [ 43.223552] do_syscall_64+0xbf/0x430 [ 43.224458] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 43.225631] RIP: 0033:0x7fbd0dd8d5cd [ 43.226485] 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 [ 43.230345] RSP: 002b:00007ffde00b24c0 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 43.231986] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007fbd0dd8d5cd [ 43.233526] RDX: 000055fbbeaf4e00 RSI: 0000000000000002 RDI: 0000000000000016 [ 43.235082] RBP: 00007ffde00b2520 R08: 0000000000000000 R09: 00007ffde00b1bc0 [ 43.236617] R10: 0000000000000000 R11: 0000000000000246 R12: 000055fbd21412b0 [ 43.238171] R13: 00007ffde00b2950 R14: 000055fbd2143d20 R15: 000055fbd21558d0 [ 43.239761] [ 43.240269] irq event stamp: 1751 [ 43.241071] hardirqs last enabled at (1761): [] __up_console_sem+0x78/0x80 [ 43.242527] hardirqs last disabled at (1770): [] __up_console_sem+0x5d/0x80 [ 43.243672] softirqs last enabled at (1672): [] handle_softirqs+0x50c/0x770 [ 43.244834] softirqs last disabled at (1667): [] __irq_exit_rcu+0xc4/0x100 [ 43.246232] ---[ end trace 0000000000000000 ]--- Warning: Permanently added '[localhost]:48175' (ECDSA) to the list of known hosts. 2025/11/17 17:43:25 fuzzer started 2025/11/17 17:43:25 dialing manager at localhost:37895 2025/11/17 17:43:25 checking machine... 2025/11/17 17:43:25 checking revisions... [ 44.218711] kmemleak: Automatic memory scanning thread ended 2025/11/17 17:43:25 testing simple program... [ 44.314603] cgroup: Unknown subsys name 'net' [ 44.398002] cgroup: Unknown subsys name 'cpuset' [ 44.414413] cgroup: Unknown subsys name 'rlimit' executing program executing program VM DIAGNOSIS: 17:43:24 Registers: info registers vcpu 0 RAX=00000000b6b4b3ed RBX=ffff888016c29bc0 RCX=0000000006af553a RDX=00000000e48192aa RSI=ffff888016c2a690 RDI=000000001b26d61d RBP=ffff888016c2a618 RSP=ffff88801839f748 R8 =0000000000000003 R9 =0000000000000000 R10=0000000000000001 R11=0000000000000000 R12=ffff888016c2a690 R13=0000000006af553a R14=0000000000000000 R15=0000000000000003 RIP=ffffffff815275c1 RFL=00000096 [--S-AP-] 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 00007faa52de4700 00000000 00000000 GS =0000 ffff8880e538f000 00000000 00000000 LDT=0000 fffffe2500000000 00000000 00000000 TR =0040 fffffe0000003000 00004087 00008b00 DPL=0 TSS64-busy GDT= fffffe0000001000 0000007f IDT= fffffe0000000000 00000fff CR0=80050033 CR2=00007f01bcd5a910 CR3=000000000b9de000 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=2034323a33343a373120373120766f4e XMM01=73732878696e755f6d6170203a5d3134 XMM02=65736f6c63206e6f6973736573203a29 XMM03=755f6d6170203a5d3134325b64687373 XMM04=69662068637573206f4e203a656c6163 XMM05=3a656c696620766e65206e65706f206f XMM06=65733a6468737328766e655f6d617020 XMM07=6b7a79732034323a33343a3731203731 XMM08=30343d7974696c696261706163202279 XMM09=00000000000000000000000000000000 XMM10=00000000000000000000000000000000 XMM11=00000000000000000000000000000000 XMM12=00000000000000000000000000000000 XMM13=00000000000000000000000000000000 XMM14=00000000000000000000000000000000 XMM15=00000000000000000000000000000000 info registers vcpu 1 RAX=0000000000000005 RBX=ffff888016fa1bc0 RCX=0000000000000000 RDX=0000000000000005 RSI=0000000000000000 RDI=ffffffff85e1ffe0 RBP=ffff888016fa2618 RSP=ffff88801c087730 R8 =0000000000000000 R9 =0000000000000005 R10=0000000000000001 R11=0000000000000000 R12=ffff888016fa2618 R13=0000000000000003 R14=0000000000000000 R15=0000000000000000 RIP=ffffffff81527128 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 00007f01bc7a4900 00000000 00000000 GS =0000 ffff8880e548f000 00000000 00000000 LDT=0000 fffffe1900000000 00000000 00000000 TR =0040 fffffe000004a000 00004087 00008b00 DPL=0 TSS64-busy GDT= fffffe0000048000 0000007f IDT= fffffe0000000000 00000fff CR0=80050033 CR2=00007ffd741deff8 CR3=00000000202de000 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=ffffffffffffffffffff000000000000 XMM01=000000000000003635006b6f6c6c756e XMM02=62003d73646e756f7200323135616873 XMM03=5320444f4854454d5f54505952434e45 XMM04=40404040404040404040404040404040 XMM05=5a5a5a5a5a5a5a5a5a5a5a5a5a5a5a5a XMM06=20202020202020202020202020202020 XMM07=00000000000000000000000000000000 XMM08=00000000000000000000000000202020 XMM09=ff0000ffffffffffff00000000ffffff XMM10=00000000000000000000000000000000 XMM11=00000000000000000000000000000000 XMM12=00000000000000000000000000000000 XMM13=00000000000000000000000000000000 XMM14=00000000000000000000000000000000 XMM15=00000000000000000000000000000000