syzkaller login: [ 46.648691] ------------[ cut here ]------------ [ 46.649601] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 46.651543] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#0: sshd/233 [ 46.652976] Modules linked in: [ 46.653595] CPU: 0 UID: 104 PID: 233 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251118 #1 PREEMPT(voluntary) [ 46.655595] Tainted: [W]=WARN [ 46.656182] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 46.657680] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 46.658586] 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 [ 46.661736] RSP: 0018:ffff888017e9fbc0 EFLAGS: 00010286 [ 46.662709] RAX: 0000000000000000 RBX: ffffed1002fd3f78 RCX: ffffffff813a4050 [ 46.664032] RDX: ffff888016281bc0 RSI: ffffffff813a405e RDI: 0000000000000001 [ 46.665335] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed1002fd3f2f [ 46.666607] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 46.667889] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff888017e9fdf8 [ 46.669181] FS: 00007f6643bfa900(0000) GS:ffff8880e538f000(0000) knlGS:0000000000000000 [ 46.670610] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 46.671691] CR2: 00007ffd02186ef7 CR3: 000000000e6ae000 CR4: 0000000000350ef0 [ 46.672972] Call Trace: [ 46.673463] [ 46.673876] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 46.674769] ? __create_object+0x59/0x80 [ 46.675555] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 46.676544] __vmalloc_noprof+0x59/0x60 [ 46.677316] bpf_prog_alloc_no_stats+0x55/0x470 [ 46.678201] ? __pfx_seccomp_check_filter+0x10/0x10 [ 46.679154] bpf_prog_alloc+0x39/0x200 [ 46.679853] ? __pfx_seccomp_check_filter+0x10/0x10 [ 46.680803] bpf_prog_create_from_user+0xb2/0x2f0 [ 46.681722] do_seccomp+0x349/0x25e0 [ 46.682444] ? find_held_lock+0x2b/0x80 [ 46.683222] ? do_prlimit+0x310/0x610 [ 46.683931] ? __pfx_do_seccomp+0x10/0x10 [ 46.684744] ? do_raw_spin_unlock+0x53/0x220 [ 46.685591] ? _raw_spin_unlock+0x1e/0x40 [ 46.686389] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 46.687367] ? static_key_count+0x60/0x80 [ 46.688177] prctl_set_seccomp+0x4e/0x70 [ 46.688927] __do_sys_prctl+0xe6c/0x1d70 [ 46.689718] ? __pfx___do_sys_prctl+0x10/0x10 [ 46.690594] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 46.691578] ? irqentry_exit+0xf3/0x650 [ 46.692357] do_syscall_64+0xbf/0x430 [ 46.693109] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 46.694076] RIP: 0033:0x7f66440ec5cd [ 46.694748] 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 [ 46.697960] RSP: 002b:00007ffd02185550 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 46.699376] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f66440ec5cd [ 46.700694] RDX: 0000560c3f64be00 RSI: 0000000000000002 RDI: 0000000000000016 [ 46.702006] RBP: 00007ffd021855b0 R08: 0000000000000000 R09: 00007ffd02184c50 [ 46.703311] R10: 0000000000000000 R11: 0000000000000246 R12: 0000560c6e9f5ad0 [ 46.704625] R13: 00007ffd021859e0 R14: 0000560c6e9f6bc0 R15: 0000560c6ea07780 [ 46.705941] [ 46.706417] irq event stamp: 1771 [ 46.707072] hardirqs last enabled at (1781): [] __up_console_sem+0x78/0x80 [ 46.708625] hardirqs last disabled at (1790): [] __up_console_sem+0x5d/0x80 [ 46.710166] softirqs last enabled at (1672): [] handle_softirqs+0x50c/0x770 [ 46.711722] softirqs last disabled at (1667): [] __irq_exit_rcu+0xc4/0x100 [ 46.713256] ---[ end trace 0000000000000000 ]--- [ 50.184931] ------------[ cut here ]------------ [ 50.185835] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 50.187795] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#0: sshd/242 [ 50.189260] Modules linked in: [ 50.189840] CPU: 0 UID: 104 PID: 242 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251118 #1 PREEMPT(voluntary) [ 50.191859] Tainted: [W]=WARN [ 50.192452] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 50.193929] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 50.194811] 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 [ 50.197947] RSP: 0018:ffff888016ebfbc0 EFLAGS: 00010286 [ 50.198882] RAX: 0000000000000000 RBX: ffffed1002dd7f78 RCX: ffffffff813a4050 [ 50.200136] RDX: ffff888015c49bc0 RSI: ffffffff813a405e RDI: 0000000000000001 [ 50.201425] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed1002dd7f2f [ 50.202685] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 50.203930] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff888016ebfdf8 [ 50.205217] FS: 00007fbdec4d0900(0000) GS:ffff8880e538f000(0000) knlGS:0000000000000000 [ 50.206617] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 50.207663] CR2: 00007ffdb0796ef7 CR3: 0000000016b8b000 CR4: 0000000000350ef0 [ 50.208960] Call Trace: [ 50.209455] [ 50.209859] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 50.210742] ? __create_object+0x59/0x80 [ 50.211515] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 50.212462] __vmalloc_noprof+0x59/0x60 [ 50.213237] bpf_prog_alloc_no_stats+0x55/0x470 [ 50.214098] ? __pfx_seccomp_check_filter+0x10/0x10 [ 50.214961] bpf_prog_alloc+0x39/0x200 [ 50.215688] ? __pfx_seccomp_check_filter+0x10/0x10 [ 50.216635] bpf_prog_create_from_user+0xb2/0x2f0 [ 50.217528] do_seccomp+0x349/0x25e0 [ 50.218217] ? find_held_lock+0x2b/0x80 [ 50.218920] ? do_prlimit+0x310/0x610 [ 50.219653] ? __pfx_do_seccomp+0x10/0x10 [ 50.220413] ? do_raw_spin_unlock+0x53/0x220 [ 50.221269] ? _raw_spin_unlock+0x1e/0x40 [ 50.222031] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 50.222933] ? static_key_count+0x60/0x80 [ 50.223712] prctl_set_seccomp+0x4e/0x70 [ 50.224465] __do_sys_prctl+0xe6c/0x1d70 [ 50.225278] ? __pfx___do_sys_prctl+0x10/0x10 [ 50.226129] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 50.227071] ? irqentry_exit+0xf3/0x650 [ 50.227775] do_syscall_64+0xbf/0x430 [ 50.228530] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 50.229522] RIP: 0033:0x7fbdec9c25cd [ 50.230228] 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 [ 50.233384] RSP: 002b:00007ffdb0794320 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 50.234732] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007fbdec9c25cd [ 50.236011] RDX: 000055fedf321e00 RSI: 0000000000000002 RDI: 0000000000000016 [ 50.237315] RBP: 00007ffdb0794380 R08: 0000000000000000 R09: 00007ffdb0793a20 [ 50.238589] R10: 0000000000000000 R11: 0000000000000246 R12: 000055ff02b01ad0 [ 50.239854] R13: 00007ffdb07947b0 R14: 000055ff02b02bc0 R15: 000055ff02b13780 [ 50.241179] [ 50.241595] irq event stamp: 1735 [ 50.242237] hardirqs last enabled at (1745): [] __up_console_sem+0x78/0x80 [ 50.243745] hardirqs last disabled at (1754): [] __up_console_sem+0x5d/0x80 [ 50.245270] softirqs last enabled at (1658): [] handle_softirqs+0x50c/0x770 [ 50.246804] softirqs last disabled at (1643): [] __irq_exit_rcu+0xc4/0x100 [ 50.248308] ---[ end trace 0000000000000000 ]--- [ 51.039200] ------------[ cut here ]------------ [ 51.040088] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 51.042140] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#0: sshd/249 [ 51.043544] Modules linked in: [ 51.044389] CPU: 0 UID: 104 PID: 249 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251118 #1 PREEMPT(voluntary) [ 51.046434] Tainted: [W]=WARN [ 51.046977] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 51.048454] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 51.049388] 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 [ 51.052514] RSP: 0018:ffff8880171bfbc0 EFLAGS: 00010286 [ 51.053493] RAX: 0000000000000000 RBX: ffffed1002e37f78 RCX: ffffffff813a4050 [ 51.054756] RDX: ffff888015cbb780 RSI: ffffffff813a405e RDI: 0000000000000001 [ 51.056012] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed1002e37f2f [ 51.057298] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 51.058557] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff8880171bfdf8 [ 51.059806] FS: 00007f4fdf3e7900(0000) GS:ffff8880e538f000(0000) knlGS:0000000000000000 [ 51.061260] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 51.062312] CR2: 00007ffda2ccfef7 CR3: 000000001fe3b000 CR4: 0000000000350ef0 [ 51.063581] Call Trace: [ 51.064088] [ 51.064490] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 51.065412] ? __create_object+0x59/0x80 [ 51.066168] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 51.067105] __vmalloc_noprof+0x59/0x60 [ 51.067799] bpf_prog_alloc_no_stats+0x55/0x470 [ 51.068677] ? __pfx_seccomp_check_filter+0x10/0x10 [ 51.069584] bpf_prog_alloc+0x39/0x200 [ 51.070308] ? __pfx_seccomp_check_filter+0x10/0x10 [ 51.071221] bpf_prog_create_from_user+0xb2/0x2f0 [ 51.072099] do_seccomp+0x349/0x25e0 [ 51.072792] ? find_held_lock+0x2b/0x80 [ 51.073547] ? do_prlimit+0x310/0x610 [ 51.074267] ? __pfx_do_seccomp+0x10/0x10 [ 51.075021] ? do_raw_spin_unlock+0x53/0x220 [ 51.075793] ? _raw_spin_unlock+0x1e/0x40 [ 51.076570] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 51.077527] ? static_key_count+0x60/0x80 [ 51.078311] prctl_set_seccomp+0x4e/0x70 [ 51.079067] __do_sys_prctl+0xe6c/0x1d70 [ 51.079793] ? __pfx___do_sys_prctl+0x10/0x10 [ 51.080667] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 51.081611] ? irqentry_exit+0xf3/0x650 [ 51.082357] do_syscall_64+0xbf/0x430 [ 51.083078] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 51.083973] RIP: 0033:0x7f4fdf8d95cd [ 51.084708] 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 [ 51.087865] RSP: 002b:00007ffda2cce360 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 51.089249] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f4fdf8d95cd [ 51.090514] RDX: 000055dbc4aabe00 RSI: 0000000000000002 RDI: 0000000000000016 [ 51.091757] RBP: 00007ffda2cce3c0 R08: 0000000000000000 R09: 00007ffda2ccda60 [ 51.093060] R10: 0000000000000000 R11: 0000000000000246 R12: 000055dbc5b24bf0 [ 51.094314] R13: 00007ffda2cce7f0 R14: 000055dbc5b2e380 R15: 000055dbc5b39460 [ 51.095570] [ 51.096017] irq event stamp: 1775 [ 51.096641] hardirqs last enabled at (1783): [] __up_console_sem+0x78/0x80 [ 51.098121] hardirqs last disabled at (1792): [] __up_console_sem+0x5d/0x80 [ 51.099593] softirqs last enabled at (1722): [] handle_softirqs+0x50c/0x770 [ 51.101130] softirqs last disabled at (1717): [] __irq_exit_rcu+0xc4/0x100 [ 51.102606] ---[ end trace 0000000000000000 ]--- Warning: Permanently added '[localhost]:57304' (ECDSA) to the list of known hosts. 2025/11/18 09:57:00 fuzzer started 2025/11/18 09:57:01 dialing manager at localhost:34383 2025/11/18 09:57:01 checking machine... 2025/11/18 09:57:01 checking revisions... [ 51.976779] kmemleak: Automatic memory scanning thread ended 2025/11/18 09:57:01 testing simple program... [ 52.055740] cgroup: Unknown subsys name 'net' [ 52.109673] cgroup: Unknown subsys name 'cpuset' [ 52.129438] cgroup: Unknown subsys name 'rlimit' executing program executing program executing program VM DIAGNOSIS: 09:57:00 Registers: info registers vcpu 0 RAX=ffffffff81000130 RBX=ffffffff81619130 RCX=ffff88800f387304 RDX=1ffff11001e70e81 RSI=ffffffff81000130 RDI=ffff88800f387478 RBP=ffff88800f387448 RSP=ffff88800f3873a8 R8 =0000000000000001 R9 =ffff88800f3873f0 R10=000000000003c9ed R11=00000000000c7d16 R12=ffff88800f387478 R13=0000000000000000 R14=ffff88801713d340 R15=ffff8880096c78c0 RIP=ffffffff81619130 RFL=00000286 [--S--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 00007fbdec4d0900 00000000 00000000 GS =0000 ffff8880e538f000 00000000 00000000 LDT=0000 fffffe4400000000 00000000 00000000 TR =0040 fffffe0000003000 00004087 00008b00 DPL=0 TSS64-busy GDT= fffffe0000001000 0000007f IDT= fffffe0000000000 00000fff CR0=80050033 CR2=00007fbdeca87618 CR3=0000000020512000 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=6e69676f6c5f6d61702c78756e696c65 XMM02=755f6d61702c74696d7265705f6d6170 XMM03=2c766e655f6d61702c7374696d696c5f XMM04=6d61702c766e655f6d61702c7374696d XMM05=78696e755f6d61702c74696d7265705f XMM06=6469756e69676f6c5f6d61702c78756e XMM07=672065736f6c635f6e6f69737365733a XMM08=61662029286e65706f5f746964756100 XMM09=00000000000000000000000000000000 XMM10=00000000000000000000000000000000 XMM11=00000000000000000000000000000000 XMM12=00000000000000000000000000000000 XMM13=00000000000000000000000000000000 XMM14=00000000000000000000000000000000 XMM15=00000000000000000000000000000000 info registers vcpu 1 RAX=0000000000028d95 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=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 fffffe3a00000000 00000000 00000000 TR =0040 fffffe000004a000 00004087 00008b00 DPL=0 TSS64-busy GDT= fffffe0000048000 0000007f IDT= fffffe0000000000 00000fff CR0=80050033 CR2=00007f7d3470f0c8 CR3=000000000d678000 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=00acd7e82a16718a374ef0ebee87f317 XMM02=2c67c8bc2e329bc300000000003023e0 XMM03=fb795ef6d657705600000000003101b8 XMM04=da95fb24aeaa274800000000000ae988 XMM05=ed4ffefc1c2a5a2800000000003213b0 XMM06=5b75c91c804453420000000000320450 XMM07=e042d86d42eb936e0000000000310438 XMM08=eadedea21df097e60000000000302440 XMM09=00000000000000000000000000000000 XMM10=20200000000020202020202020200000 XMM11=00000000000000000000000000000000 XMM12=00000000000000000000000000000000 XMM13=00000000000000000000000000000000 XMM14=00000000000000000000000000000000 XMM15=00000000000000000000000000000000