syzkaller login: [ 45.803446] ------------[ cut here ]------------ [ 45.804378] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 45.806421] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#0: sshd/233 [ 45.807870] Modules linked in: [ 45.808471] CPU: 0 UID: 104 PID: 233 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251117 #1 PREEMPT(voluntary) [ 45.810692] Tainted: [W]=WARN [ 45.811245] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 45.812782] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 45.813705] 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 [ 45.816893] RSP: 0018:ffff88801bdffbc0 EFLAGS: 00010286 [ 45.817876] RAX: 0000000000000000 RBX: ffffed10037bff78 RCX: ffffffff813a4050 [ 45.819165] RDX: ffff888015ff5340 RSI: ffffffff813a405e RDI: 0000000000000001 [ 45.820445] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed10037bff2f [ 45.821727] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 45.822985] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff88801bdffdf8 [ 45.824260] FS: 00007f39e4659900(0000) GS:ffff8880e538f000(0000) knlGS:0000000000000000 [ 45.825714] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 45.826773] CR2: 00007fffcfc0eef7 CR3: 000000000d371000 CR4: 0000000000350ef0 [ 45.828054] Call Trace: [ 45.828516] [ 45.828964] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 45.829868] ? __create_object+0x59/0x80 [ 45.830652] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 45.831571] __vmalloc_noprof+0x59/0x60 [ 45.832331] bpf_prog_alloc_no_stats+0x55/0x470 [ 45.833193] ? __pfx_seccomp_check_filter+0x10/0x10 [ 45.834120] bpf_prog_alloc+0x39/0x200 [ 45.834848] ? __pfx_seccomp_check_filter+0x10/0x10 [ 45.835785] bpf_prog_create_from_user+0xb2/0x2f0 [ 45.836681] do_seccomp+0x349/0x25e0 [ 45.837379] ? find_held_lock+0x2b/0x80 [ 45.838136] ? do_prlimit+0x310/0x610 [ 45.838871] ? __pfx_do_seccomp+0x10/0x10 [ 45.839649] ? do_raw_spin_unlock+0x53/0x220 [ 45.840437] ? _raw_spin_unlock+0x1e/0x40 [ 45.841205] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 45.842162] ? static_key_count+0x60/0x80 [ 45.842955] prctl_set_seccomp+0x4e/0x70 [ 45.843733] __do_sys_prctl+0xe6c/0x1d70 [ 45.844469] ? __pfx___do_sys_prctl+0x10/0x10 [ 45.845333] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 45.846298] ? irqentry_exit+0xf3/0x650 [ 45.847054] do_syscall_64+0xbf/0x430 [ 45.847789] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 45.848752] RIP: 0033:0x7f39e4b4b5cd [ 45.849428] 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 [ 45.852578] RSP: 002b:00007fffcfc0d1f0 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 45.853968] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f39e4b4b5cd [ 45.855252] RDX: 0000559f0074ce00 RSI: 0000000000000002 RDI: 0000000000000016 [ 45.856549] RBP: 00007fffcfc0d250 R08: 0000000000000000 R09: 00007fffcfc0c8f0 [ 45.857836] R10: 0000000000000000 R11: 0000000000000246 R12: 0000559f0db362b0 [ 45.859118] R13: 00007fffcfc0d680 R14: 0000559f0db38d20 R15: 0000559f0db4a8d0 [ 45.860427] [ 45.860892] irq event stamp: 1801 [ 45.861510] hardirqs last enabled at (1809): [] __up_console_sem+0x78/0x80 [ 45.863050] hardirqs last disabled at (1818): [] __up_console_sem+0x5d/0x80 [ 45.864572] softirqs last enabled at (1702): [] handle_softirqs+0x50c/0x770 [ 45.866167] softirqs last disabled at (1697): [] __irq_exit_rcu+0xc4/0x100 [ 45.867679] ---[ end trace 0000000000000000 ]--- [ 48.785877] ------------[ cut here ]------------ [ 48.786841] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 48.789151] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#1: sshd/241 [ 48.790641] Modules linked in: [ 48.791230] CPU: 1 UID: 104 PID: 241 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251117 #1 PREEMPT(voluntary) [ 48.793215] Tainted: [W]=WARN [ 48.793805] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 48.795281] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 48.796195] 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 [ 48.799394] RSP: 0018:ffff888016f37bc0 EFLAGS: 00010286 [ 48.800368] RAX: 0000000000000000 RBX: ffffed1002de6f78 RCX: ffffffff813a4050 [ 48.801660] RDX: ffff888015f35340 RSI: ffffffff813a405e RDI: 0000000000000001 [ 48.802947] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed1002de6f2f [ 48.804215] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 48.805508] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff888016f37df8 [ 48.806805] FS: 00007f499436b900(0000) GS:ffff8880e548f000(0000) knlGS:0000000000000000 [ 48.808244] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 48.809303] CR2: 00007ffd02f8cef7 CR3: 000000000dd4d000 CR4: 0000000000350ef0 [ 48.810630] Call Trace: [ 48.811107] [ 48.811519] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 48.812426] ? __create_object+0x59/0x80 [ 48.813192] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 48.814189] __vmalloc_noprof+0x59/0x60 [ 48.814939] bpf_prog_alloc_no_stats+0x55/0x470 [ 48.815815] ? __pfx_seccomp_check_filter+0x10/0x10 [ 48.816738] bpf_prog_alloc+0x39/0x200 [ 48.817441] ? __pfx_seccomp_check_filter+0x10/0x10 [ 48.818365] bpf_prog_create_from_user+0xb2/0x2f0 [ 48.819271] do_seccomp+0x349/0x25e0 [ 48.819988] ? find_held_lock+0x2b/0x80 [ 48.820755] ? do_prlimit+0x310/0x610 [ 48.821463] ? __pfx_do_seccomp+0x10/0x10 [ 48.822256] ? do_raw_spin_unlock+0x53/0x220 [ 48.823079] ? _raw_spin_unlock+0x1e/0x40 [ 48.823849] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 48.824818] ? static_key_count+0x60/0x80 [ 48.825583] prctl_set_seccomp+0x4e/0x70 [ 48.826362] __do_sys_prctl+0xe6c/0x1d70 [ 48.827133] ? __pfx___do_sys_prctl+0x10/0x10 [ 48.827988] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 48.828958] ? irqentry_exit+0xf3/0x650 [ 48.829733] do_syscall_64+0xbf/0x430 [ 48.830431] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 48.831410] RIP: 0033:0x7f499485d5cd [ 48.832116] 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 [ 48.835272] RSP: 002b:00007ffd02f8ba10 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 48.836655] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f499485d5cd [ 48.837972] RDX: 000055c445849e00 RSI: 0000000000000002 RDI: 0000000000000016 [ 48.839075] RBP: 00007ffd02f8ba70 R08: 0000000000000000 R09: 00007ffd02f8b110 [ 48.840159] R10: 0000000000000000 R11: 0000000000000246 R12: 000055c46112d240 [ 48.841244] R13: 00007ffd02f8bea0 R14: 000055c461136380 R15: 000055c461141540 [ 48.842365] [ 48.842763] irq event stamp: 1827 [ 48.843290] hardirqs last enabled at (1835): [] __up_console_sem+0x78/0x80 [ 48.844574] hardirqs last disabled at (1844): [] __up_console_sem+0x5d/0x80 [ 48.845896] softirqs last enabled at (1764): [] handle_softirqs+0x50c/0x770 [ 48.847203] softirqs last disabled at (1865): [] __irq_exit_rcu+0xc4/0x100 [ 48.848483] ---[ end trace 0000000000000000 ]--- [ 49.570782] ------------[ cut here ]------------ [ 49.571735] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 49.573806] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#1: sshd/248 [ 49.575257] Modules linked in: [ 49.576135] CPU: 1 UID: 104 PID: 248 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251117 #1 PREEMPT(voluntary) [ 49.578205] Tainted: [W]=WARN [ 49.578811] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 49.580308] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 49.581231] 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 [ 49.584411] RSP: 0018:ffff888019e67bc0 EFLAGS: 00010286 [ 49.585431] RAX: 0000000000000000 RBX: ffffed10033ccf78 RCX: ffffffff813a4050 [ 49.586721] RDX: ffff888017661bc0 RSI: ffffffff813a405e RDI: 0000000000000001 [ 49.587990] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed10033ccf2f [ 49.589282] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 49.590625] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff888019e67df8 [ 49.591918] FS: 00007f2b9eedb900(0000) GS:ffff8880e548f000(0000) knlGS:0000000000000000 [ 49.593391] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 49.594461] CR2: 00007ffe55271ef7 CR3: 000000001fe1a000 CR4: 0000000000350ef0 [ 49.595750] Call Trace: [ 49.596224] [ 49.596673] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 49.597560] ? __create_object+0x59/0x80 [ 49.598352] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 49.599324] __vmalloc_noprof+0x59/0x60 [ 49.600094] bpf_prog_alloc_no_stats+0x55/0x470 [ 49.600982] ? __pfx_seccomp_check_filter+0x10/0x10 [ 49.601928] bpf_prog_alloc+0x39/0x200 [ 49.602661] ? __pfx_seccomp_check_filter+0x10/0x10 [ 49.603557] bpf_prog_create_from_user+0xb2/0x2f0 [ 49.604477] do_seccomp+0x349/0x25e0 [ 49.605198] ? find_held_lock+0x2b/0x80 [ 49.605986] ? do_prlimit+0x310/0x610 [ 49.606741] ? __pfx_do_seccomp+0x10/0x10 [ 49.607484] ? do_raw_spin_unlock+0x53/0x220 [ 49.608327] ? _raw_spin_unlock+0x1e/0x40 [ 49.609120] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 49.610118] ? static_key_count+0x60/0x80 [ 49.610931] prctl_set_seccomp+0x4e/0x70 [ 49.611730] __do_sys_prctl+0xe6c/0x1d70 [ 49.612470] ? __pfx___do_sys_prctl+0x10/0x10 [ 49.613349] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 49.614329] ? irqentry_exit+0xf3/0x650 [ 49.615105] do_syscall_64+0xbf/0x430 [ 49.615859] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 49.616816] RIP: 0033:0x7f2b9f3cd5cd [ 49.617498] 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 [ 49.620698] RSP: 002b:00007ffe55270e10 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 49.622092] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f2b9f3cd5cd [ 49.623398] RDX: 000055c5dc68ae00 RSI: 0000000000000002 RDI: 0000000000000016 [ 49.624701] RBP: 00007ffe55270e70 R08: 0000000000000000 R09: 00007ffe55270510 [ 49.625996] R10: 0000000000000000 R11: 0000000000000246 R12: 000055c5de895bf0 [ 49.627286] R13: 00007ffe552712a0 R14: 000055c5de89f380 R15: 000055c5de8aa460 [ 49.628645] [ 49.629074] irq event stamp: 1803 [ 49.629748] hardirqs last enabled at (1813): [] __up_console_sem+0x78/0x80 [ 49.631295] hardirqs last disabled at (1822): [] __up_console_sem+0x5d/0x80 [ 49.632839] softirqs last enabled at (1750): [] handle_softirqs+0x50c/0x770 [ 49.634245] softirqs last disabled at (1741): [] __irq_exit_rcu+0xc4/0x100 [ 49.635520] ---[ end trace 0000000000000000 ]--- Warning: Permanently added '[localhost]:49950' (ECDSA) to the list of known hosts. 2025/11/17 22:15:36 fuzzer started 2025/11/17 22:15:36 dialing manager at localhost:37895 2025/11/17 22:15:36 checking machine... 2025/11/17 22:15:36 checking revisions... [ 50.539442] kmemleak: Automatic memory scanning thread ended 2025/11/17 22:15:36 testing simple program... [ 50.654755] cgroup: Unknown subsys name 'net' [ 50.719058] cgroup: Unknown subsys name 'cpuset' [ 50.733954] cgroup: Unknown subsys name 'rlimit' executing program executing program executing program VM DIAGNOSIS: 22:15:35 Registers: info registers vcpu 0 RAX=ffffffff81445b58 RBX=0000000000000009 RCX=0000000000000001 RDX=0000000000000000 RSI=000000000000000c RDI=ffff8880096279c0 RBP=dffffc0000000000 RSP=ffff8880096278e8 R8 =ffffffff869d9f82 R9 =0000000000000000 R10=000000000003c9ed R11=000000000000054b R12=000000000000000c R13=0000000000000000 R14=ffff888009627978 R15=ffff888008c4b780 RIP=ffffffff81619173 RFL=00000206 [-----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 0000000000000000 00000000 00000000 GS =0000 ffff8880e538f000 00000000 00000000 LDT=0000 fffffe6300000000 00000000 00000000 TR =0040 fffffe0000003000 00004087 00008b00 DPL=0 TSS64-busy GDT= fffffe0000001000 0000007f IDT= fffffe0000000000 00000fff CR0=80050033 CR2=00007ffd02f85000 CR3=000000001fd1d000 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=635f6e6f69737365733a4d41503d706f XMM01=6f6c5f6d61702c78756e696c65735f6d XMM02=61702c74696d7265705f6d61702c7469 XMM03=655f6d61702c7374696d696c5f6d6170 XMM04=3d6c616e696d72657420322e322e302e XMM05=3d656d616e74736f682022646873732f XMM06=746f6f72223d746363612078756e696c XMM07=6e655f6d61702c7374696d696c5f6d61 XMM08=652075253d64692073253d706f000000 XMM09=00000000000000000000000000000000 XMM10=00000000000000000000000000000000 XMM11=00000000000000000000000000000000 XMM12=00000000000000000000000000000000 XMM13=00000000000000000000000000000000 XMM14=00000000000000000000000000000000 XMM15=00000000000000000000000000000000 info registers vcpu 1 RAX=b503ba001073dead RBX=0000000000000246 RCX=ffff888009757b3c RDX=0000000000000001 RSI=ffffffff85f109b8 RDI=ffff8880096fc200 RBP=ffffffff85f109b8 RSP=ffff888009757b30 R8 =0000000000000001 R9 =ffffed10012eaf60 R10=0000000000000003 R11=0000000000000001 R12=ffffffff81b62336 R13=0000000000000083 R14=ffff8880096fb780 R15=0000000000000002 RIP=ffffffff81528fc6 RFL=00000046 [---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 0000000000000000 00000000 00000000 GS =0000 ffff8880e548f000 00000000 00000000 LDT=0000 fffffe4500000000 00000000 00000000 TR =0040 fffffe000004a000 00004087 00008b00 DPL=0 TSS64-busy GDT= fffffe0000048000 0000007f IDT= fffffe0000000000 00000fff CR0=80050033 CR2=00007fc9084fe240 CR3=000000000dc01000 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=35313a323220373120766f4e3e36383c XMM01=7365733a646873732878696e755f6d61 XMM02=736f6c63206e6f6973736573203a296e XMM03=5f6d6170203a5d3034325b6468737320 XMM04=6456774875434142334f726f59427469 XMM05=485320415352203a3268737320383937 XMM06=206d6f726620746f6f7220726f662079 XMM07=00000000000000000000000000000000 XMM08=3a677562656420676f6c737973720000 XMM09=00000000000000000000000000000000 XMM10=00000000000000000000000000000000 XMM11=00000000000000000000000000000000 XMM12=00000000000000000000000000000000 XMM13=00000000000000000000000000000000 XMM14=00000000000000000000000000000000 XMM15=00000000000000000000000000000000