syzkaller login: [ 39.118186] ------------[ cut here ]------------ [ 39.119103] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 39.121219] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#0: sshd/234 [ 39.122690] Modules linked in: [ 39.123285] CPU: 0 UID: 104 PID: 234 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251117 #1 PREEMPT(voluntary) [ 39.125351] Tainted: [W]=WARN [ 39.125950] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 39.127446] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 39.128342] 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 [ 39.131569] RSP: 0018:ffff88800d8a7bc0 EFLAGS: 00010286 [ 39.132539] RAX: 0000000000000000 RBX: ffffed1001b14f78 RCX: ffffffff813a4050 [ 39.133838] RDX: ffff8880143d5340 RSI: ffffffff813a405e RDI: 0000000000000001 [ 39.135146] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed1001b14f2f [ 39.136475] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 39.137765] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff88800d8a7df8 [ 39.139060] FS: 00007fe64dfb6900(0000) GS:ffff8880e538f000(0000) knlGS:0000000000000000 [ 39.140539] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 39.141619] CR2: 00007fe64e4a8580 CR3: 000000000bdd0000 CR4: 0000000000350ef0 [ 39.142901] Call Trace: [ 39.143378] [ 39.143837] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 39.144746] ? __create_object+0x59/0x80 [ 39.145582] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 39.146582] __vmalloc_noprof+0x59/0x60 [ 39.147307] bpf_prog_alloc_no_stats+0x55/0x470 [ 39.148192] ? __pfx_seccomp_check_filter+0x10/0x10 [ 39.149134] bpf_prog_alloc+0x39/0x200 [ 39.149862] ? __pfx_seccomp_check_filter+0x10/0x10 [ 39.150790] bpf_prog_create_from_user+0xb2/0x2f0 [ 39.151716] do_seccomp+0x349/0x25e0 [ 39.152442] ? __pfx_css_rstat_updated+0x10/0x10 [ 39.153310] ? __pfx_do_seccomp+0x10/0x10 [ 39.154095] ? find_held_lock+0x2b/0x80 [ 39.154858] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 39.155842] ? static_key_count+0x60/0x80 [ 39.156658] prctl_set_seccomp+0x4e/0x70 [ 39.157393] __do_sys_prctl+0xe6c/0x1d70 [ 39.158172] ? __pfx___do_sys_prctl+0x10/0x10 [ 39.159044] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 39.160021] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 39.160998] ? irqentry_exit+0xf3/0x650 [ 39.161769] do_syscall_64+0xbf/0x430 [ 39.162512] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 39.163487] RIP: 0033:0x7fe64e4a85cd [ 39.164152] 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 [ 39.167323] RSP: 002b:00007fff58ec1dd0 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 39.168698] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007fe64e4a85cd [ 39.169993] RDX: 00005592c5b72e00 RSI: 0000000000000002 RDI: 0000000000000016 [ 39.171278] RBP: 00007fff58ec1e30 R08: 0000000000000000 R09: 00007fff58ec14d0 [ 39.172603] R10: 0000000000000000 R11: 0000000000000246 R12: 00005592caee6ad0 [ 39.173901] R13: 00007fff58ec2260 R14: 00005592caee7bc0 R15: 00005592caef8780 [ 39.175202] [ 39.175689] irq event stamp: 1733 [ 39.176314] hardirqs last enabled at (1741): [] __up_console_sem+0x78/0x80 [ 39.177857] hardirqs last disabled at (1750): [] __up_console_sem+0x5d/0x80 [ 39.179395] softirqs last enabled at (1654): [] handle_softirqs+0x50c/0x770 [ 39.180851] softirqs last disabled at (1649): [] __irq_exit_rcu+0xc4/0x100 [ 39.182137] ---[ end trace 0000000000000000 ]--- [ 42.066697] ------------[ cut here ]------------ [ 42.067770] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 42.070075] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#0: sshd/242 [ 42.071799] Modules linked in: [ 42.072521] CPU: 0 UID: 104 PID: 242 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251117 #1 PREEMPT(voluntary) [ 42.074817] Tainted: [W]=WARN [ 42.075518] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 42.077207] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 42.078268] 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 [ 42.081956] RSP: 0018:ffff88801a607bc0 EFLAGS: 00010286 [ 42.083080] RAX: 0000000000000000 RBX: ffffed10034c0f78 RCX: ffffffff813a4050 [ 42.084578] RDX: ffff888016680000 RSI: ffffffff813a405e RDI: 0000000000000001 [ 42.086062] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed10034c0f2f [ 42.087553] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 42.089036] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff88801a607df8 [ 42.090515] FS: 00007f7a67d72900(0000) GS:ffff8880e538f000(0000) knlGS:0000000000000000 [ 42.092190] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 42.093423] CR2: 00007f7a68264580 CR3: 000000002080f000 CR4: 0000000000350ef0 [ 42.094922] Call Trace: [ 42.095525] [ 42.095996] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 42.097025] ? __create_object+0x59/0x80 [ 42.097921] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 42.099044] __vmalloc_noprof+0x59/0x60 [ 42.099927] bpf_prog_alloc_no_stats+0x55/0x470 [ 42.100947] ? __pfx_seccomp_check_filter+0x10/0x10 [ 42.102029] bpf_prog_alloc+0x39/0x200 [ 42.102879] ? __pfx_seccomp_check_filter+0x10/0x10 [ 42.103959] bpf_prog_create_from_user+0xb2/0x2f0 [ 42.105010] do_seccomp+0x349/0x25e0 [ 42.105841] ? __pfx_css_rstat_updated+0x10/0x10 [ 42.106868] ? __pfx_do_seccomp+0x10/0x10 [ 42.107798] ? find_held_lock+0x2b/0x80 [ 42.108679] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 42.109798] ? static_key_count+0x60/0x80 [ 42.110724] prctl_set_seccomp+0x4e/0x70 [ 42.111611] __do_sys_prctl+0xe6c/0x1d70 [ 42.112504] ? __pfx___do_sys_prctl+0x10/0x10 [ 42.113498] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 42.114622] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 42.115743] ? irqentry_exit+0xf3/0x650 [ 42.116612] do_syscall_64+0xbf/0x430 [ 42.117464] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 42.118566] RIP: 0033:0x7f7a682645cd [ 42.119323] 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 [ 42.123013] RSP: 002b:00007fff86c9ebb0 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 42.124471] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f7a682645cd [ 42.125710] RDX: 000055f03d9afe00 RSI: 0000000000000002 RDI: 0000000000000016 [ 42.126960] RBP: 00007fff86c9ec10 R08: 0000000000000000 R09: 00007fff86c9e2b0 [ 42.128198] R10: 0000000000000000 R11: 0000000000000246 R12: 000055f0688e4ad0 [ 42.129434] R13: 00007fff86c9f040 R14: 000055f0688e5bc0 R15: 000055f0688f6780 [ 42.130681] [ 42.131085] irq event stamp: 1735 [ 42.131714] hardirqs last enabled at (1745): [] __up_console_sem+0x78/0x80 [ 42.133179] hardirqs last disabled at (1754): [] __up_console_sem+0x5d/0x80 [ 42.134657] softirqs last enabled at (1286): [] handle_softirqs+0x50c/0x770 [ 42.136144] softirqs last disabled at (1281): [] __irq_exit_rcu+0xc4/0x100 [ 42.137602] ---[ end trace 0000000000000000 ]--- [ 42.997893] ------------[ cut here ]------------ [ 42.998682] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 43.000455] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#0: sshd/250 [ 43.001714] Modules linked in: [ 43.002209] CPU: 0 UID: 104 PID: 250 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251117 #1 PREEMPT(voluntary) [ 43.003942] Tainted: [W]=WARN [ 43.004474] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 43.005731] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 43.006521] 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 [ 43.009231] RSP: 0018:ffff888017527bc0 EFLAGS: 00010286 [ 43.010071] RAX: 0000000000000000 RBX: ffffed1002ea4f78 RCX: ffffffff813a4050 [ 43.011183] RDX: ffff88800fa43780 RSI: ffffffff813a405e RDI: 0000000000000001 [ 43.012286] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed1002ea4f2f [ 43.013427] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 43.014534] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff888017527df8 [ 43.015656] FS: 00007f83b0603900(0000) GS:ffff8880e538f000(0000) knlGS:0000000000000000 [ 43.016893] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 43.017815] CR2: 00007f83b0af5580 CR3: 000000000d3a5000 CR4: 0000000000350ef0 [ 43.018920] Call Trace: [ 43.019318] [ 43.019743] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 43.020513] ? __create_object+0x59/0x80 [ 43.021150] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 43.021994] __vmalloc_noprof+0x59/0x60 [ 43.022643] bpf_prog_alloc_no_stats+0x55/0x470 [ 43.023353] ? __pfx_seccomp_check_filter+0x10/0x10 [ 43.024160] bpf_prog_alloc+0x39/0x200 [ 43.024795] ? __pfx_seccomp_check_filter+0x10/0x10 [ 43.025609] bpf_prog_create_from_user+0xb2/0x2f0 [ 43.026344] do_seccomp+0x349/0x25e0 [ 43.026974] ? __pfx_css_rstat_updated+0x10/0x10 [ 43.027765] ? __pfx_do_seccomp+0x10/0x10 [ 43.028457] ? find_held_lock+0x2b/0x80 [ 43.029076] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 43.029920] ? static_key_count+0x60/0x80 [ 43.030623] prctl_set_seccomp+0x4e/0x70 [ 43.031247] __do_sys_prctl+0xe6c/0x1d70 [ 43.031940] ? __pfx___do_sys_prctl+0x10/0x10 [ 43.032672] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 43.033512] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 43.034297] ? irqentry_exit+0xf3/0x650 [ 43.034967] do_syscall_64+0xbf/0x430 [ 43.035608] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 43.036381] RIP: 0033:0x7f83b0af55cd [ 43.036999] 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 [ 43.039708] RSP: 002b:00007ffd79049cf0 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 43.040884] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f83b0af55cd [ 43.041983] RDX: 000055b933262e00 RSI: 0000000000000002 RDI: 0000000000000016 [ 43.043082] RBP: 00007ffd79049d50 R08: 0000000000000000 R09: 00007ffd790493f0 [ 43.044192] R10: 0000000000000000 R11: 0000000000000246 R12: 000055b94dc9bad0 [ 43.045276] R13: 00007ffd7904a180 R14: 000055b94dc9cbc0 R15: 000055b94dcad780 [ 43.046394] [ 43.046780] irq event stamp: 1719 [ 43.047292] hardirqs last enabled at (1727): [] __up_console_sem+0x78/0x80 [ 43.048596] hardirqs last disabled at (1736): [] __up_console_sem+0x5d/0x80 [ 43.049882] softirqs last enabled at (1224): [] handle_softirqs+0x50c/0x770 [ 43.051211] softirqs last disabled at (1211): [] __irq_exit_rcu+0xc4/0x100 [ 43.052533] ---[ end trace 0000000000000000 ]--- Warning: Permanently added '[localhost]:45105' (ECDSA) to the list of known hosts. 2025/11/17 13:53:34 fuzzer started 2025/11/17 13:53:34 dialing manager at localhost:37895 2025/11/17 13:53:34 checking machine... 2025/11/17 13:53:34 checking revisions... [ 43.934429] kmemleak: Automatic memory scanning thread ended 2025/11/17 13:53:34 testing simple program... [ 44.038051] cgroup: Unknown subsys name 'net' [ 44.100847] cgroup: Unknown subsys name 'cpuset' [ 44.118778] cgroup: Unknown subsys name 'rlimit' executing program executing program VM DIAGNOSIS: 13:53:33 Registers: info registers vcpu 0 RAX=0000000000000001 RBX=0000000000000000 RCX=dfb8078e475e76a4 RDX=0000000085cb9a3e RSI=000000008301a466 RDI=0000000081125d94 RBP=ffffffff85e1ffe0 RSP=ffff888009627728 R8 =0000000000000001 R9 =0000000000000000 R10=0000000000000001 R11=0000000000000001 R12=0000000000000002 R13=0000000000000000 R14=0000000000000000 R15=0000000000000200 RIP=ffffffff84c9a4c0 RFL=00000082 [--S----] 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 fffffe0600000000 00000000 00000000 TR =0040 fffffe0000003000 00004087 00008b00 DPL=0 TSS64-busy GDT= fffffe0000001000 0000007f IDT= fffffe0000000000 00000fff CR0=80050033 CR2=00007fc49b3f8010 CR3=000000001cdb8000 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=33353a333120373120766f4e3e38333c XMM01=656e6e6f637369642064657669656365 XMM02=63736964203a31313a32383035342074 XMM03=66207463656e6e6f6373696420646576 XMM04=6456774875434142334f726f59427469 XMM05=485320415352203a3268737320323830 XMM06=206d6f726620746f6f7220726f662079 XMM07=00000000000000000000000000000000 XMM08=3a677562656420676f6c737973720000 XMM09=00000000000000000000000000000000 XMM10=00000000000000000000000000000000 XMM11=00000000000000000000000000000000 XMM12=00000000000000000000000000000000 XMM13=00000000000000000000000000000000 XMM14=00000000000000000000000000000000 XMM15=00000000000000000000000000000000 info registers vcpu 1 RAX=0000000000000001 RBX=ffff888017557e18 RCX=0000000000000001 RDX=0000000000000000 RSI=ffffffff8135e7a2 RDI=ffffffff85e1ffe0 RBP=ffff888017550000 RSP=ffff8880175574f0 R8 =0000000000000001 R9 =ffff8880175575c0 R10=000000000003c9ed R11=000000000009a898 R12=ffff888017557501 R13=ffff8880175575c8 R14=ffff888017557de8 R15=ffff888017557580 RIP=ffffffff81528eca RFL=00000202 [-------] 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 00007f7a67d72900 00000000 00000000 GS =0000 ffff8880e548f000 00000000 00000000 LDT=0000 fffffe7c00000000 00000000 00000000 TR =0040 fffffe000004a000 00004087 00008b00 DPL=0 TSS64-busy GDT= fffffe0000048000 0000007f IDT= fffffe0000000000 00000fff CR0=80050033 CR2=00007f7a68329618 CR3=000000001ccbd000 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=563412feff00545000000000000080fe 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