syzkaller login: [ 45.829249] ------------[ cut here ]------------ [ 45.830219] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 45.832326] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#1: sshd/237 [ 45.833796] Modules linked in: [ 45.834392] CPU: 1 UID: 104 PID: 237 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251117 #1 PREEMPT(voluntary) [ 45.836422] Tainted: [W]=WARN [ 45.837038] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 45.838532] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 45.839443] 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 [ 45.842637] RSP: 0018:ffff888019827bc0 EFLAGS: 00010286 [ 45.843607] RAX: 0000000000000000 RBX: ffffed1003304f78 RCX: ffffffff813a4050 [ 45.844896] RDX: ffff8880159d5340 RSI: ffffffff813a405e RDI: 0000000000000001 [ 45.846199] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed1003304f2f [ 45.847532] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 45.848819] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff888019827df8 [ 45.850117] FS: 00007f6b57c9e900(0000) GS:ffff8880e548f000(0000) knlGS:0000000000000000 [ 45.851569] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 45.852633] CR2: 00007ffec4087ef8 CR3: 00000000099ea000 CR4: 0000000000350ef0 [ 45.853949] Call Trace: [ 45.854423] [ 45.854908] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 45.855809] ? __create_object+0x59/0x80 [ 45.856546] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 45.857544] __vmalloc_noprof+0x59/0x60 [ 45.858322] bpf_prog_alloc_no_stats+0x55/0x470 [ 45.859220] ? __pfx_seccomp_check_filter+0x10/0x10 [ 45.860169] bpf_prog_alloc+0x39/0x200 [ 45.860911] ? __pfx_seccomp_check_filter+0x10/0x10 [ 45.861861] bpf_prog_create_from_user+0xb2/0x2f0 [ 45.862793] do_seccomp+0x349/0x25e0 [ 45.863480] ? find_held_lock+0x2b/0x80 [ 45.864248] ? do_prlimit+0x310/0x610 [ 45.865003] ? __pfx_do_seccomp+0x10/0x10 [ 45.865804] ? do_raw_spin_unlock+0x53/0x220 [ 45.866601] ? _raw_spin_unlock+0x1e/0x40 [ 45.867395] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 45.868367] ? static_key_count+0x60/0x80 [ 45.869169] prctl_set_seccomp+0x4e/0x70 [ 45.869946] __do_sys_prctl+0xe6c/0x1d70 [ 45.870757] ? __pfx___do_sys_prctl+0x10/0x10 [ 45.871589] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 45.872558] ? irqentry_exit+0xf3/0x650 [ 45.873343] do_syscall_64+0xbf/0x430 [ 45.874077] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 45.875061] RIP: 0033:0x7f6b581905cd [ 45.875774] 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 [ 45.878995] RSP: 002b:00007ffec40869a0 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 45.880363] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f6b581905cd [ 45.881676] RDX: 000055a307e31e00 RSI: 0000000000000002 RDI: 0000000000000016 [ 45.883002] RBP: 00007ffec4086a00 R08: 0000000000000000 R09: 00007ffec40860a0 [ 45.884292] R10: 0000000000000000 R11: 0000000000000246 R12: 000055a3235ccad0 [ 45.885581] R13: 00007ffec4086e30 R14: 000055a3235cdbc0 R15: 000055a3235de780 [ 45.886907] [ 45.887332] irq event stamp: 1747 [ 45.887995] hardirqs last enabled at (1757): [] __up_console_sem+0x78/0x80 [ 45.889556] hardirqs last disabled at (1766): [] __up_console_sem+0x5d/0x80 [ 45.891098] softirqs last enabled at (1736): [] handle_softirqs+0x50c/0x770 [ 45.892664] softirqs last disabled at (1731): [] __irq_exit_rcu+0xc4/0x100 [ 45.894201] ---[ end trace 0000000000000000 ]--- [ 48.989116] ------------[ cut here ]------------ [ 48.990048] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 48.992112] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#0: sshd/244 [ 48.993569] Modules linked in: [ 48.994209] CPU: 0 UID: 104 PID: 244 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251117 #1 PREEMPT(voluntary) [ 48.996477] Tainted: [W]=WARN [ 48.997316] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 48.998827] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 48.999751] 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 [ 49.002954] RSP: 0018:ffff888016f7fbc0 EFLAGS: 00010286 [ 49.003943] RAX: 0000000000000000 RBX: ffffed1002deff78 RCX: ffffffff813a4050 [ 49.005229] RDX: ffff88801a4dd340 RSI: ffffffff813a405e RDI: 0000000000000001 [ 49.006516] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed1002deff2f [ 49.007825] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 49.009099] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff888016f7fdf8 [ 49.010383] FS: 00007f4ea1960900(0000) GS:ffff8880e538f000(0000) knlGS:0000000000000000 [ 49.011835] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 49.012899] CR2: 00007fff0ed37ef8 CR3: 000000000c3ec000 CR4: 0000000000350ef0 [ 49.014222] Call Trace: [ 49.014774] [ 49.015197] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 49.016129] ? __create_object+0x59/0x80 [ 49.016912] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 49.017879] __vmalloc_noprof+0x59/0x60 [ 49.018628] bpf_prog_alloc_no_stats+0x55/0x470 [ 49.019514] ? __pfx_seccomp_check_filter+0x10/0x10 [ 49.020448] bpf_prog_alloc+0x39/0x200 [ 49.021177] ? __pfx_seccomp_check_filter+0x10/0x10 [ 49.022118] bpf_prog_create_from_user+0xb2/0x2f0 [ 49.023031] do_seccomp+0x349/0x25e0 [ 49.023776] ? find_held_lock+0x2b/0x80 [ 49.024500] ? do_prlimit+0x310/0x610 [ 49.025238] ? __pfx_do_seccomp+0x10/0x10 [ 49.026014] ? do_raw_spin_unlock+0x53/0x220 [ 49.026866] ? _raw_spin_unlock+0x1e/0x40 [ 49.027603] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 49.028573] ? static_key_count+0x60/0x80 [ 49.029375] prctl_set_seccomp+0x4e/0x70 [ 49.030160] __do_sys_prctl+0xe6c/0x1d70 [ 49.030957] ? __pfx___do_sys_prctl+0x10/0x10 [ 49.031813] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 49.032776] ? irqentry_exit+0xf3/0x650 [ 49.033495] do_syscall_64+0xbf/0x430 [ 49.034234] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 49.035216] RIP: 0033:0x7f4ea1e525cd [ 49.035928] 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 [ 49.039124] RSP: 002b:00007fff0ed357e0 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 49.040494] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f4ea1e525cd [ 49.041759] RDX: 000055fc19266e00 RSI: 0000000000000002 RDI: 0000000000000016 [ 49.043064] RBP: 00007fff0ed35840 R08: 0000000000000000 R09: 00007fff0ed34ee0 [ 49.044362] R10: 0000000000000000 R11: 0000000000000246 R12: 000055fc4cbc8bf0 [ 49.045632] R13: 00007fff0ed35c70 R14: 000055fc4cbd2380 R15: 000055fc4cbdd460 [ 49.046967] [ 49.047398] irq event stamp: 1889 [ 49.048051] hardirqs last enabled at (1899): [] __up_console_sem+0x78/0x80 [ 49.049575] hardirqs last disabled at (1908): [] __up_console_sem+0x5d/0x80 [ 49.051110] softirqs last enabled at (1694): [] handle_softirqs+0x50c/0x770 [ 49.052669] softirqs last disabled at (1689): [] __irq_exit_rcu+0xc4/0x100 [ 49.054210] ---[ end trace 0000000000000000 ]--- [ 49.867425] ------------[ cut here ]------------ [ 49.868344] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 49.870399] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#0: sshd/251 [ 49.871931] Modules linked in: [ 49.872507] CPU: 0 UID: 104 PID: 251 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251117 #1 PREEMPT(voluntary) [ 49.874472] Tainted: [W]=WARN [ 49.875080] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 49.876550] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 49.877452] 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 [ 49.880613] RSP: 0018:ffff88800f7dfbc0 EFLAGS: 00010286 [ 49.881585] RAX: 0000000000000000 RBX: ffffed1001efbf78 RCX: ffffffff813a4050 [ 49.882868] RDX: ffff88801a60d340 RSI: ffffffff813a405e RDI: 0000000000000001 [ 49.884162] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed1001efbf2f [ 49.885443] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 49.886730] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff88800f7dfdf8 [ 49.888019] FS: 00007f298d737900(0000) GS:ffff8880e538f000(0000) knlGS:0000000000000000 [ 49.889466] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 49.890519] CR2: 00007f298dc9d4a6 CR3: 000000000c317000 CR4: 0000000000350ef0 [ 49.891808] Call Trace: [ 49.892285] [ 49.892742] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 49.893615] ? __create_object+0x59/0x80 [ 49.894408] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 49.895393] __vmalloc_noprof+0x59/0x60 [ 49.896150] bpf_prog_alloc_no_stats+0x55/0x470 [ 49.897041] ? __pfx_seccomp_check_filter+0x10/0x10 [ 49.897979] bpf_prog_alloc+0x39/0x200 [ 49.898738] ? __pfx_seccomp_check_filter+0x10/0x10 [ 49.899637] bpf_prog_create_from_user+0xb2/0x2f0 [ 49.900547] do_seccomp+0x349/0x25e0 [ 49.901265] ? find_held_lock+0x2b/0x80 [ 49.902029] ? do_prlimit+0x310/0x610 [ 49.902798] ? __pfx_do_seccomp+0x10/0x10 [ 49.903556] ? do_raw_spin_unlock+0x53/0x220 [ 49.904396] ? _raw_spin_unlock+0x1e/0x40 [ 49.905178] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 49.906152] ? static_key_count+0x60/0x80 [ 49.906973] prctl_set_seccomp+0x4e/0x70 [ 49.907749] __do_sys_prctl+0xe6c/0x1d70 [ 49.908492] ? __pfx___do_sys_prctl+0x10/0x10 [ 49.909354] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 49.910330] ? irqentry_exit+0xf3/0x650 [ 49.911106] do_syscall_64+0xbf/0x430 [ 49.911844] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 49.912796] RIP: 0033:0x7f298dc295cd [ 49.913463] 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 [ 49.916669] RSP: 002b:00007ffe9a5170c0 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 49.918050] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f298dc295cd [ 49.919342] RDX: 00005599ff3e7e00 RSI: 0000000000000002 RDI: 0000000000000016 [ 49.920623] RBP: 00007ffe9a517120 R08: 0000000000000000 R09: 00007ffe9a5167c0 [ 49.921923] R10: 0000000000000000 R11: 0000000000000246 R12: 0000559a09dbe2b0 [ 49.923203] R13: 00007ffe9a517550 R14: 0000559a09dc0d20 R15: 0000559a09dd28d0 [ 49.924504] [ 49.924968] irq event stamp: 1809 [ 49.925572] hardirqs last enabled at (1817): [] __up_console_sem+0x78/0x80 [ 49.927107] hardirqs last disabled at (1826): [] __up_console_sem+0x5d/0x80 [ 49.928617] softirqs last enabled at (1744): [] handle_softirqs+0x50c/0x770 [ 49.930184] softirqs last disabled at (1739): [] __irq_exit_rcu+0xc4/0x100 [ 49.931720] ---[ end trace 0000000000000000 ]--- Warning: Permanently added '[localhost]:57484' (ECDSA) to the list of known hosts. 2025/11/17 14:03:37 fuzzer started 2025/11/17 14:03:37 dialing manager at localhost:37895 2025/11/17 14:03:37 checking machine... 2025/11/17 14:03:37 checking revisions... [ 50.793870] kmemleak: Automatic memory scanning thread ended 2025/11/17 14:03:37 testing simple program... [ 50.874690] cgroup: Unknown subsys name 'net' [ 50.940252] cgroup: Unknown subsys name 'cpuset' [ 50.953143] cgroup: Unknown subsys name 'rlimit' executing program executing program executing program VM DIAGNOSIS: 14:03:37 Registers: info registers vcpu 0 RAX=ffffffff86a49c3b RBX=0000000000000001 RCX=ffffffff86a49c36 RDX=0000000000000000 RSI=1ffffffff0d49387 RDI=ffffffff866dc158 RBP=ffff88806ce08ac8 RSP=ffff88806ce08a00 R8 =ffffffff86a49c36 R9 =0000000000000000 R10=000000000003c9ed R11=0000000000012f69 R12=ffff88806ce08ad0 R13=ffff88806ce08ab8 R14=ffff88806ce08ab1 R15=ffff88806ce08a70 RIP=ffffffff8135e815 RFL=00000216 [----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 00007f4ea1960900 00000000 00000000 GS =0000 ffff8880e538f000 00000000 00000000 LDT=0000 fffffe7c00000000 00000000 00000000 TR =0040 fffffe0000003000 00004087 00008b00 DPL=0 TSS64-busy GDT= fffffe0000001000 0000007f IDT= fffffe0000000000 00000fff CR0=80050033 CR2=00007f4ea192f008 CR3=000000001f8ab000 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=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 info registers vcpu 1 RAX=0000000000000001 RBX=0000000000000001 RCX=ffffffff81472c9a RDX=fffffbfff0cc9ecb RSI=0000000000000008 RDI=ffffffff8664f650 RBP=0000000000000001 RSP=ffff88806cf08d78 R8 =0000000000000000 R9 =fffffbfff0cc9eca R10=ffffffff8664f657 R11=ffff88806cf37498 R12=1ffff1100d9e11b5 R13=0000000000000000 R14=0000000000000004 R15=0000000000000010 RIP=ffffffff815bcf70 RFL=00000047 [---Z-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 0000000000000000 00000000 00000000 GS =0000 ffff8880e548f000 00000000 00000000 LDT=0000 fffffe5100000000 00000000 00000000 TR =0040 fffffe000004a000 00004087 00008b00 DPL=0 TSS64-busy GDT= fffffe0000048000 0000007f IDT= fffffe0000000000 00000fff CR0=80050033 CR2=00007faa665bb008 CR3=000000000d32a000 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=13fa073fed6f5f96cc447e6e22a21375 XMM02=ec2efd57dc4c00df0000000000303af8 XMM03=6e2d1a673e4abae00000000000303bc8 XMM04=0e6efc30188d108c00000000000ae988 XMM05=0394861f14684e59000000000031f870 XMM06=3e829fc8c8edc990000000000031f6f8 XMM07=e042d86d42eb936e0000000000310cd8 XMM08=6e2d1a673e4abae00000000000303bc8 XMM09=00000000000000000000000000000000 XMM10=00000000000000000000000000000000 XMM11=00000000000000000000000000000000 XMM12=00000000000000000000000000000000 XMM13=00000000000000000000000000000000 XMM14=00000000000000000000000000000000 XMM15=00000000000000000000000000000000