syzkaller login: [ 38.925232] ------------[ cut here ]------------ [ 38.926098] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 38.928392] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#0: sshd/234 [ 38.929853] Modules linked in: [ 38.930491] CPU: 0 UID: 104 PID: 234 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251117 #1 PREEMPT(voluntary) [ 38.932480] Tainted: [W]=WARN [ 38.933029] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 38.934508] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 38.935410] 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 [ 38.938586] RSP: 0018:ffff888017aa7bc0 EFLAGS: 00010286 [ 38.939565] RAX: 0000000000000000 RBX: ffffed1002f54f78 RCX: ffffffff813a4050 [ 38.940846] RDX: ffff888016960000 RSI: ffffffff813a405e RDI: 0000000000000001 [ 38.942151] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed1002f54f2f [ 38.943417] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 38.944698] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff888017aa7df8 [ 38.945984] FS: 00007fb5efb6e900(0000) GS:ffff8880e538f000(0000) knlGS:0000000000000000 [ 38.947439] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 38.948495] CR2: 00007ffe3b522ef7 CR3: 000000000cda9000 CR4: 0000000000350ef0 [ 38.949778] Call Trace: [ 38.950281] [ 38.950694] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 38.951604] ? __create_object+0x59/0x80 [ 38.952395] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 38.953377] __vmalloc_noprof+0x59/0x60 [ 38.954116] bpf_prog_alloc_no_stats+0x55/0x470 [ 38.954997] ? __pfx_seccomp_check_filter+0x10/0x10 [ 38.955940] bpf_prog_alloc+0x39/0x200 [ 38.956679] ? __pfx_seccomp_check_filter+0x10/0x10 [ 38.957608] bpf_prog_create_from_user+0xb2/0x2f0 [ 38.958533] do_seccomp+0x349/0x25e0 [ 38.959252] ? find_held_lock+0x2b/0x80 [ 38.959971] ? do_prlimit+0x310/0x610 [ 38.960723] ? __pfx_do_seccomp+0x10/0x10 [ 38.961512] ? do_raw_spin_unlock+0x53/0x220 [ 38.962362] ? _raw_spin_unlock+0x1e/0x40 [ 38.963099] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 38.964069] ? static_key_count+0x60/0x80 [ 38.964874] prctl_set_seccomp+0x4e/0x70 [ 38.965669] __do_sys_prctl+0xe6c/0x1d70 [ 38.966463] ? __pfx___do_sys_prctl+0x10/0x10 [ 38.967339] ? trace_irq_enable.constprop.0+0x26/0x100 [ 38.968312] do_syscall_64+0xbf/0x430 [ 38.969011] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 38.969961] RIP: 0033:0x7fb5f00605cd [ 38.970672] 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 [ 38.973859] RSP: 002b:00007ffe3b5215d0 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 38.975239] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007fb5f00605cd [ 38.976531] RDX: 0000555812ad1e00 RSI: 0000000000000002 RDI: 0000000000000016 [ 38.977870] RBP: 00007ffe3b521630 R08: 0000000000000000 R09: 00007ffe3b520cd0 [ 38.979202] R10: 0000000000000000 R11: 0000000000000246 R12: 0000555816759bf0 [ 38.980502] R13: 00007ffe3b521a60 R14: 0000555816763380 R15: 000055581676e460 [ 38.981865] [ 38.982373] irq event stamp: 1805 [ 38.982979] hardirqs last enabled at (1813): [] __up_console_sem+0x78/0x80 [ 38.984536] hardirqs last disabled at (1822): [] __up_console_sem+0x5d/0x80 [ 38.986109] softirqs last enabled at (1772): [] handle_softirqs+0x50c/0x770 [ 38.987690] softirqs last disabled at (1767): [] __irq_exit_rcu+0xc4/0x100 [ 38.989252] ---[ end trace 0000000000000000 ]--- [ 41.720590] ------------[ cut here ]------------ [ 41.721567] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 41.723606] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#1: sshd/243 [ 41.725102] Modules linked in: [ 41.725743] CPU: 1 UID: 104 PID: 243 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251117 #1 PREEMPT(voluntary) [ 41.727734] Tainted: [W]=WARN [ 41.728329] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 41.729789] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 41.730716] 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 [ 41.733867] RSP: 0018:ffff8880161bfbc0 EFLAGS: 00010286 [ 41.734854] RAX: 0000000000000000 RBX: ffffed1002c37f78 RCX: ffffffff813a4050 [ 41.736152] RDX: ffff8880184c3780 RSI: ffffffff813a405e RDI: 0000000000000001 [ 41.737442] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed1002c37f2f [ 41.738733] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 41.740005] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff8880161bfdf8 [ 41.741282] FS: 00007fd108e65900(0000) GS:ffff8880e548f000(0000) knlGS:0000000000000000 [ 41.742733] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 41.743786] CR2: 00007fd109357580 CR3: 000000001ff08000 CR4: 0000000000350ef0 [ 41.745063] Call Trace: [ 41.745574] [ 41.745980] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 41.746888] ? __create_object+0x59/0x80 [ 41.747671] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 41.748625] __vmalloc_noprof+0x59/0x60 [ 41.749376] bpf_prog_alloc_no_stats+0x55/0x470 [ 41.750245] ? __pfx_seccomp_check_filter+0x10/0x10 [ 41.751115] bpf_prog_alloc+0x39/0x200 [ 41.751849] ? __pfx_seccomp_check_filter+0x10/0x10 [ 41.752761] bpf_prog_create_from_user+0xb2/0x2f0 [ 41.753662] do_seccomp+0x349/0x25e0 [ 41.754378] ? __pfx_css_rstat_updated+0x10/0x10 [ 41.755267] ? __pfx_do_seccomp+0x10/0x10 [ 41.756006] ? find_held_lock+0x2b/0x80 [ 41.756764] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 41.757718] ? static_key_count+0x60/0x80 [ 41.758526] prctl_set_seccomp+0x4e/0x70 [ 41.759301] __do_sys_prctl+0xe6c/0x1d70 [ 41.760029] ? __pfx___do_sys_prctl+0x10/0x10 [ 41.760859] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 41.761792] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 41.762756] ? irqentry_exit+0xf3/0x650 [ 41.763512] do_syscall_64+0xbf/0x430 [ 41.764248] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 41.765185] RIP: 0033:0x7fd1093575cd [ 41.765837] 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 [ 41.768973] RSP: 002b:00007ffcb80a86f0 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 41.770355] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007fd1093575cd [ 41.771638] RDX: 0000564a33025e00 RSI: 0000000000000002 RDI: 0000000000000016 [ 41.772917] RBP: 00007ffcb80a8750 R08: 0000000000000000 R09: 00007ffcb80a7df0 [ 41.774227] R10: 0000000000000000 R11: 0000000000000246 R12: 0000564a6c6f8b10 [ 41.775519] R13: 00007ffcb80a8b80 R14: 0000564a6c6f92b0 R15: 0000564a6c70d6f0 [ 41.776813] [ 41.777275] irq event stamp: 1787 [ 41.777881] hardirqs last enabled at (1795): [] __up_console_sem+0x78/0x80 [ 41.779373] hardirqs last disabled at (1804): [] __up_console_sem+0x5d/0x80 [ 41.780713] softirqs last enabled at (1754): [] handle_softirqs+0x50c/0x770 [ 41.782089] softirqs last disabled at (1749): [] __irq_exit_rcu+0xc4/0x100 [ 41.783467] ---[ end trace 0000000000000000 ]--- [ 42.587642] ------------[ cut here ]------------ [ 42.588597] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 42.590611] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#0: sshd/251 [ 42.592073] Modules linked in: [ 42.592710] CPU: 0 UID: 104 PID: 251 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251117 #1 PREEMPT(voluntary) [ 42.594676] Tainted: [W]=WARN [ 42.595274] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 42.596758] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 42.597682] 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 [ 42.600851] RSP: 0018:ffff8880169efbc0 EFLAGS: 00010286 [ 42.601828] RAX: 0000000000000000 RBX: ffffed1002d3df78 RCX: ffffffff813a4050 [ 42.603112] RDX: ffff8880169a8000 RSI: ffffffff813a405e RDI: 0000000000000001 [ 42.604401] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed1002d3df2f [ 42.605676] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 42.606971] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff8880169efdf8 [ 42.608237] FS: 00007fc5c0cc4900(0000) GS:ffff8880e538f000(0000) knlGS:0000000000000000 [ 42.609662] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 42.610723] CR2: 00007fc5c11b6580 CR3: 000000000cdf3000 CR4: 0000000000350ef0 [ 42.612003] Call Trace: [ 42.612509] [ 42.612915] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 42.613797] ? __create_object+0x59/0x80 [ 42.614581] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 42.615560] __vmalloc_noprof+0x59/0x60 [ 42.616332] bpf_prog_alloc_no_stats+0x55/0x470 [ 42.617197] ? __pfx_seccomp_check_filter+0x10/0x10 [ 42.618077] bpf_prog_alloc+0x39/0x200 [ 42.618816] ? __pfx_seccomp_check_filter+0x10/0x10 [ 42.619740] bpf_prog_create_from_user+0xb2/0x2f0 [ 42.620637] do_seccomp+0x349/0x25e0 [ 42.621360] ? __pfx_css_rstat_updated+0x10/0x10 [ 42.622258] ? __pfx_do_seccomp+0x10/0x10 [ 42.622998] ? find_held_lock+0x2b/0x80 [ 42.623752] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 42.624709] ? static_key_count+0x60/0x80 [ 42.625505] prctl_set_seccomp+0x4e/0x70 [ 42.626292] __do_sys_prctl+0xe6c/0x1d70 [ 42.627031] ? __pfx___do_sys_prctl+0x10/0x10 [ 42.627870] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 42.628820] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 42.629782] ? irqentry_exit+0xf3/0x650 [ 42.630573] do_syscall_64+0xbf/0x430 [ 42.631315] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 42.632278] RIP: 0033:0x7fc5c11b65cd [ 42.632942] 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 [ 42.636747] RSP: 002b:00007fff87a5f1e0 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 42.638157] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007fc5c11b65cd [ 42.639439] RDX: 00005636466dae00 RSI: 0000000000000002 RDI: 0000000000000016 [ 42.640723] RBP: 00007fff87a5f240 R08: 0000000000000000 R09: 00007fff87a5e8e0 [ 42.641993] R10: 0000000000000000 R11: 0000000000000246 R12: 000056366359e2b0 [ 42.643268] R13: 00007fff87a5f670 R14: 00005636635a0d20 R15: 00005636635b28d0 [ 42.644562] [ 42.644988] irq event stamp: 1765 [ 42.645639] hardirqs last enabled at (1775): [] __up_console_sem+0x78/0x80 [ 42.647153] hardirqs last disabled at (1784): [] __up_console_sem+0x5d/0x80 [ 42.648690] softirqs last enabled at (1686): [] handle_softirqs+0x50c/0x770 [ 42.650219] softirqs last disabled at (1671): [] __irq_exit_rcu+0xc4/0x100 [ 42.651727] ---[ end trace 0000000000000000 ]--- Warning: Permanently added '[localhost]:40471' (ECDSA) to the list of known hosts. 2025/11/18 03:27:57 fuzzer started 2025/11/18 03:27:57 dialing manager at localhost:37895 2025/11/18 03:27:57 checking machine... 2025/11/18 03:27:57 checking revisions... [ 43.657480] kmemleak: Automatic memory scanning thread ended 2025/11/18 03:27:57 testing simple program... [ 43.764551] cgroup: Unknown subsys name 'net' [ 43.842247] cgroup: Unknown subsys name 'cpuset' [ 43.855991] cgroup: Unknown subsys name 'rlimit' executing program executing program VM DIAGNOSIS: 03:27:56 Registers: info registers vcpu 0 RAX=0000000000004005 RBX=ffff888017401bc0 RCX=000000004fca7779 RDX=0000000000000008 RSI=ffff888017402690 RDI=0000000064d9205a RBP=ffff888017402618 RSP=ffff8880177b7448 R8 =0000000000000003 R9 =0000000000000000 R10=0000000000000001 R11=0000000000000000 R12=ffff888017402690 R13=150ea8e14fca7779 R14=0000000000000000 R15=0000000000000003 RIP=ffffffff81527599 RFL=00000006 [-----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 00007f6196320700 00000000 00000000 GS =0000 ffff8880e538f000 00000000 00000000 LDT=0000 fffffe6d00000000 00000000 00000000 TR =0040 fffffe0000003000 00004087 00008b00 DPL=0 TSS64-busy GDT= fffffe0000001000 0000007f IDT= fffffe0000000000 00000fff CR0=80050033 CR2=00007f9f59430330 CR3=000000000d287000 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=2036353a37323a333020383120766f4e XMM01=73732878696e755f6d6170203a5d3234 XMM02=65736f6c63206e6f6973736573203a29 XMM03=755f6d6170203a5d3234325b64687373 XMM04=69662068637573206f4e203a656c6163 XMM05=3a656c696620766e65206e65706f206f XMM06=65733a6468737328766e655f6d617020 XMM07=6b7a79732036353a37323a3330203831 XMM08=30343d7974696c696261706163202279 XMM09=00000000000000000000000000000000 XMM10=00000000000000000000000000000000 XMM11=00000000000000000000000000000000 XMM12=00000000000000000000000000000000 XMM13=00000000000000000000000000000000 XMM14=00000000000000000000000000000000 XMM15=00000000000000000000000000000000 info registers vcpu 1 RAX=00000000000255cf RBX=0000000000000001 RCX=ffffffff84c72d57 RDX=0000000000000000 RSI=0000000000000000 RDI=ffffffff814d2c90 RBP=dffffc0000000000 RSP=ffff8880096efe58 R8 =0000000000000001 R9 =ffffed100d9e639a R10=ffff88806cf31cd3 R11=0000000000000001 R12=ffffffff8664f650 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 fffffe2c00000000 00000000 00000000 TR =0040 fffffe000004a000 00004087 00008b00 DPL=0 TSS64-busy GDT= fffffe0000048000 0000007f IDT= fffffe0000000000 00000fff CR0=80050033 CR2=00007fd10941c618 CR3=000000001ff35000 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