syzkaller login: [ 54.025119] ------------[ cut here ]------------ [ 54.026072] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 54.028198] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#1: sshd/234 [ 54.029725] Modules linked in: [ 54.030340] CPU: 1 UID: 104 PID: 234 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251117 #1 PREEMPT(voluntary) [ 54.032596] Tainted: [W]=WARN [ 54.033291] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 54.034815] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 54.035760] 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 [ 54.039025] RSP: 0018:ffff888017a1fbc0 EFLAGS: 00010286 [ 54.040032] RAX: 0000000000000000 RBX: ffffed1002f43f78 RCX: ffffffff813a4050 [ 54.041356] RDX: ffff88800b089bc0 RSI: ffffffff813a405e RDI: 0000000000000001 [ 54.042705] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed1002f43f2f [ 54.044041] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 54.045720] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff888017a1fdf8 [ 54.047336] FS: 00007f500ad7f900(0000) GS:ffff8880e548f000(0000) knlGS:0000000000000000 [ 54.049128] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 54.050287] CR2: 00007ffdfec78ef7 CR3: 0000000017532000 CR4: 0000000000350ef0 [ 54.051593] Call Trace: [ 54.052128] [ 54.052554] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 54.053480] ? __create_object+0x59/0x80 [ 54.054315] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 54.055317] __vmalloc_noprof+0x59/0x60 [ 54.056117] bpf_prog_alloc_no_stats+0x55/0x470 [ 54.057015] ? __pfx_seccomp_check_filter+0x10/0x10 [ 54.057996] bpf_prog_alloc+0x39/0x200 [ 54.058772] ? __pfx_seccomp_check_filter+0x10/0x10 [ 54.059741] bpf_prog_create_from_user+0xb2/0x2f0 [ 54.060619] do_seccomp+0x349/0x25e0 [ 54.061379] ? find_held_lock+0x2b/0x80 [ 54.062169] ? do_prlimit+0x310/0x610 [ 54.062940] ? __pfx_do_seccomp+0x10/0x10 [ 54.063730] ? do_raw_spin_unlock+0x53/0x220 [ 54.064534] ? _raw_spin_unlock+0x1e/0x40 [ 54.065340] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 54.066381] ? static_key_count+0x60/0x80 [ 54.067209] prctl_set_seccomp+0x4e/0x70 [ 54.068015] __do_sys_prctl+0xe6c/0x1d70 [ 54.068817] ? __pfx___do_sys_prctl+0x10/0x10 [ 54.069646] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 54.070659] ? irqentry_exit+0xf3/0x650 [ 54.071468] do_syscall_64+0xbf/0x430 [ 54.072241] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 54.073224] RIP: 0033:0x7f500b2715cd [ 54.073975] 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 [ 54.077189] RSP: 002b:00007ffdfec77130 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 54.078586] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f500b2715cd [ 54.079912] RDX: 000055f1524f5e00 RSI: 0000000000000002 RDI: 0000000000000016 [ 54.081221] RBP: 00007ffdfec77190 R08: 0000000000000000 R09: 00007ffdfec76830 [ 54.082565] R10: 0000000000000000 R11: 0000000000000246 R12: 000055f1863fd2b0 [ 54.083882] R13: 00007ffdfec775c0 R14: 000055f1863ffd20 R15: 000055f1864118d0 [ 54.085217] [ 54.085657] irq event stamp: 1831 [ 54.086314] hardirqs last enabled at (1841): [] __up_console_sem+0x78/0x80 [ 54.087864] hardirqs last disabled at (1850): [] __up_console_sem+0x5d/0x80 [ 54.089409] softirqs last enabled at (1800): [] handle_softirqs+0x50c/0x770 [ 54.090985] softirqs last disabled at (1781): [] __irq_exit_rcu+0xc4/0x100 [ 54.092369] ---[ end trace 0000000000000000 ]--- [ 56.897144] ------------[ cut here ]------------ [ 56.898942] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 56.900668] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#1: sshd/242 [ 56.901999] Modules linked in: [ 56.902482] CPU: 1 UID: 104 PID: 242 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251117 #1 PREEMPT(voluntary) [ 56.904299] Tainted: [W]=WARN [ 56.904796] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 56.906018] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 56.906835] 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 [ 56.909458] RSP: 0018:ffff888016b8fbc0 EFLAGS: 00010286 [ 56.910254] RAX: 0000000000000000 RBX: ffffed1002d71f78 RCX: ffffffff813a4050 [ 56.911365] RDX: ffff88800e4e9bc0 RSI: ffffffff813a405e RDI: 0000000000000001 [ 56.912474] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed1002d71f2f [ 56.913543] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 56.914629] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff888016b8fdf8 [ 56.915698] FS: 00007fd546363900(0000) GS:ffff8880e548f000(0000) knlGS:0000000000000000 [ 56.916983] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 56.917875] CR2: 00007fd546855580 CR3: 0000000016003000 CR4: 0000000000350ef0 [ 56.918939] Call Trace: [ 56.919325] [ 56.919663] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 56.920409] ? __create_object+0x59/0x80 [ 56.921057] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 56.921882] __vmalloc_noprof+0x59/0x60 [ 56.922479] bpf_prog_alloc_no_stats+0x55/0x470 [ 56.923217] ? __pfx_seccomp_check_filter+0x10/0x10 [ 56.924000] bpf_prog_alloc+0x39/0x200 [ 56.924579] ? __pfx_seccomp_check_filter+0x10/0x10 [ 56.925369] bpf_prog_create_from_user+0xb2/0x2f0 [ 56.926139] do_seccomp+0x349/0x25e0 [ 56.926731] ? __pfx_css_rstat_updated+0x10/0x10 [ 56.927456] ? __pfx_do_seccomp+0x10/0x10 [ 56.928118] ? find_held_lock+0x2b/0x80 [ 56.928755] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 56.929521] ? static_key_count+0x60/0x80 [ 56.930213] prctl_set_seccomp+0x4e/0x70 [ 56.930858] __do_sys_prctl+0xe6c/0x1d70 [ 56.931477] ? __pfx___do_sys_prctl+0x10/0x10 [ 56.932190] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 56.932991] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 56.933816] ? irqentry_exit+0xf3/0x650 [ 56.934421] do_syscall_64+0xbf/0x430 [ 56.935035] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 56.935836] RIP: 0033:0x7fd5468555cd [ 56.936402] 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 [ 56.939058] RSP: 002b:00007ffc93cd8cf0 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 56.940199] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007fd5468555cd [ 56.941251] RDX: 000055e1cfb0be00 RSI: 0000000000000002 RDI: 0000000000000016 [ 56.942324] RBP: 00007ffc93cd8d50 R08: 0000000000000000 R09: 00007ffc93cd83f0 [ 56.943391] R10: 0000000000000000 R11: 0000000000000246 R12: 000055e1f31b5b10 [ 56.944447] R13: 00007ffc93cd9180 R14: 000055e1f31b62b0 R15: 000055e1f31ca6f0 [ 56.945518] [ 56.945920] irq event stamp: 2215 [ 56.946428] hardirqs last enabled at (2223): [] __up_console_sem+0x78/0x80 [ 56.947711] hardirqs last disabled at (2232): [] __up_console_sem+0x5d/0x80 [ 56.948987] softirqs last enabled at (1976): [] handle_softirqs+0x50c/0x770 [ 56.950309] softirqs last disabled at (1969): [] __irq_exit_rcu+0xc4/0x100 [ 56.951600] ---[ end trace 0000000000000000 ]--- [ 57.602956] ------------[ cut here ]------------ [ 57.603720] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 57.605403] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#1: sshd/250 [ 57.606824] Modules linked in: [ 57.607319] CPU: 1 UID: 104 PID: 250 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251117 #1 PREEMPT(voluntary) [ 57.609288] Tainted: [W]=WARN [ 57.609800] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 57.611026] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 57.611793] 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 [ 57.614451] RSP: 0018:ffff888018917bc0 EFLAGS: 00010286 [ 57.615275] RAX: 0000000000000000 RBX: ffffed1003122f78 RCX: ffffffff813a4050 [ 57.616363] RDX: ffff888016a19bc0 RSI: ffffffff813a405e RDI: 0000000000000001 [ 57.617435] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed1003122f2f [ 57.618502] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 57.619552] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff888018917df8 [ 57.620610] FS: 00007f50fdc00900(0000) GS:ffff8880e548f000(0000) knlGS:0000000000000000 [ 57.621813] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 57.622644] CR2: 00007ffce4c9bef7 CR3: 000000000a55c000 CR4: 0000000000350ef0 [ 57.623699] Call Trace: [ 57.624088] [ 57.624425] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 57.625164] ? __create_object+0x59/0x80 [ 57.625830] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 57.626587] __vmalloc_noprof+0x59/0x60 [ 57.627222] bpf_prog_alloc_no_stats+0x55/0x470 [ 57.627941] ? __pfx_seccomp_check_filter+0x10/0x10 [ 57.628676] bpf_prog_alloc+0x39/0x200 [ 57.629282] ? __pfx_seccomp_check_filter+0x10/0x10 [ 57.630058] bpf_prog_create_from_user+0xb2/0x2f0 [ 57.630806] do_seccomp+0x349/0x25e0 [ 57.631363] ? find_held_lock+0x2b/0x80 [ 57.631987] ? do_prlimit+0x310/0x610 [ 57.632563] ? __pfx_do_seccomp+0x10/0x10 [ 57.633207] ? do_raw_spin_unlock+0x53/0x220 [ 57.633902] ? _raw_spin_unlock+0x1e/0x40 [ 57.634509] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 57.635296] ? static_key_count+0x60/0x80 [ 57.635959] prctl_set_seccomp+0x4e/0x70 [ 57.636561] __do_sys_prctl+0xe6c/0x1d70 [ 57.637204] ? __pfx___do_sys_prctl+0x10/0x10 [ 57.637923] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 57.638715] ? irqentry_exit+0xf3/0x650 [ 57.639309] do_syscall_64+0xbf/0x430 [ 57.639919] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 57.640670] RIP: 0033:0x7f50fe0f25cd [ 57.641254] 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 [ 57.643870] RSP: 002b:00007ffce4c9a960 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 57.644995] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f50fe0f25cd [ 57.646058] RDX: 00005599bfb78e00 RSI: 0000000000000002 RDI: 0000000000000016 [ 57.647107] RBP: 00007ffce4c9a9c0 R08: 0000000000000000 R09: 00007ffce4c9a060 [ 57.648163] R10: 0000000000000000 R11: 0000000000000246 R12: 00005599c810bad0 [ 57.649213] R13: 00007ffce4c9adf0 R14: 00005599c810cbc0 R15: 00005599c811d780 [ 57.650302] [ 57.650652] irq event stamp: 1879 [ 57.651184] hardirqs last enabled at (1889): [] __up_console_sem+0x78/0x80 [ 57.652431] hardirqs last disabled at (1898): [] __up_console_sem+0x5d/0x80 [ 57.653700] softirqs last enabled at (1802): [] handle_softirqs+0x50c/0x770 [ 57.654969] softirqs last disabled at (1797): [] __irq_exit_rcu+0xc4/0x100 [ 57.656212] ---[ end trace 0000000000000000 ]--- Warning: Permanently added '[localhost]:64992' (ECDSA) to the list of known hosts. 2025/11/18 07:06:24 fuzzer started 2025/11/18 07:06:25 dialing manager at localhost:37895 2025/11/18 07:06:25 checking machine... 2025/11/18 07:06:25 checking revisions... [ 58.504499] kmemleak: Automatic memory scanning thread ended 2025/11/18 07:06:25 testing simple program... [ 58.585627] cgroup: Unknown subsys name 'net' [ 58.643486] cgroup: Unknown subsys name 'cpuset' [ 58.658406] cgroup: Unknown subsys name 'rlimit' executing program executing program executing program VM DIAGNOSIS: 07:06:24 Registers: info registers vcpu 0 RAX=0000000000045cf7 RBX=0000000000000000 RCX=ffffffff84c72d57 RDX=0000000000000000 RSI=0000000000000000 RDI=ffffffff814d2c90 RBP=dffffc0000000000 RSP=ffffffff85c07e00 R8 =0000000000000001 R9 =ffffed100d9c639a R10=ffff88806ce31cd3 R11=0000000000000001 R12=ffffffff8664f650 R13=1ffffffff0b80fc7 R14=0000000000000000 R15=0000000000000000 RIP=ffffffff84c7174e RFL=00000202 [-------] 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 ffff8880e538f000 00000000 00000000 LDT=0000 fffffe5e00000000 00000000 00000000 TR =0040 fffffe0000003000 00004087 00008b00 DPL=0 TSS64-busy GDT= fffffe0000001000 0000007f IDT= fffffe0000000000 00000fff CR0=80050033 CR2=00007fffb98ef738 CR3=000000001b1cf000 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=36303a373020383120766f4e3e36383c XMM01=7365733a646873732878696e755f6d61 XMM02=736f6c63206e6f6973736573203a296e XMM03=5f6d6170203a5d3134325b6468737320 XMM04=6456774875434142334f726f59427469 XMM05=485320415352203a3268737320343032 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=ffffed1002f30fc0 RBX=ffffed1002f30fc2 RCX=ffffffff82560b7d RDX=ffffed1002f30fc2 RSI=000000000000000c RDI=ffff888017987e00 RBP=ffffed1002f30fc0 RSP=ffff888017987c90 R8 =0000000000000000 R9 =ffffed1002f30fc1 R10=ffff888017987e0b R11=0000000000000001 R12=ffff888017987e00 R13=00007ffc93cd1b68 R14=00007ffffffff000 R15=0000000000000000 RIP=ffffffff81b2d061 RFL=00000246 [---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 00007fd546363900 00000000 00000000 GS =0000 ffff8880e548f000 00000000 00000000 LDT=0000 fffffe6a00000000 00000000 00000000 TR =0040 fffffe000004a000 00004087 00008b00 DPL=0 TSS64-busy GDT= fffffe0000048000 0000007f IDT= fffffe0000000000 00000fff CR0=80050033 CR2=00007ffc93cd2000 CR3=000000002072f000 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=6720646572637465733a4d41503d706f XMM01=652022746f6f72223d74636361207469 XMM02=3d6c616e696d72657420322e322e302e XMM03=3d656d616e74736f682022646873732f XMM04=40404040404040404040404040404040 XMM05=5a5a5a5a5a5a5a5a5a5a5a5a5a5a5a5a XMM06=20202020202020202020202020202020 XMM07=00000000000000000000000000000000 XMM08=652075253d64692073253d706f000000 XMM09=00000000000000000000000000000000 XMM10=00000000000000000000000000000000 XMM11=00000000000000000000000000000000 XMM12=00000000000000000000000000000000 XMM13=00000000000000000000000000000000 XMM14=00000000000000000000000000000000 XMM15=00000000000000000000000000000000