syzkaller login: [ 38.895506] ------------[ cut here ]------------ [ 38.896433] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 38.898833] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#0: sshd/234 [ 38.900307] Modules linked in: [ 38.901097] CPU: 0 UID: 104 PID: 234 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251118 #1 PREEMPT(voluntary) [ 38.903109] Tainted: [W]=WARN [ 38.903719] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 38.905212] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 38.906140] Code: e0 ad 11 00 81 e6 1f 52 ee ff 89 4c 24 40 89 74 24 30 90 48 c7 c7 40 38 f1 84 4c 8d 44 24 40 48 8d 54 24 30 e8 30 7b 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 [ 38.909339] RSP: 0018:ffff888016237bc0 EFLAGS: 00010286 [ 38.910324] RAX: 0000000000000000 RBX: ffffed1002c46f78 RCX: ffffffff813a4050 [ 38.911603] RDX: ffff888015f39bc0 RSI: ffffffff813a405e RDI: 0000000000000001 [ 38.912908] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed1002c46f2f [ 38.914187] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 38.915479] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff888016237df8 [ 38.916745] FS: 00007f20018c5900(0000) GS:ffff8880e538f000(0000) knlGS:0000000000000000 [ 38.918172] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 38.919247] CR2: 00007f2001db7580 CR3: 000000000e6c6000 CR4: 0000000000350ef0 [ 38.920548] Call Trace: [ 38.921061] [ 38.921489] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 38.922386] ? __create_object+0x59/0x80 [ 38.923169] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 38.924149] __vmalloc_noprof+0x59/0x60 [ 38.924927] bpf_prog_alloc_no_stats+0x55/0x470 [ 38.925802] ? __pfx_seccomp_check_filter+0x10/0x10 [ 38.926740] bpf_prog_alloc+0x39/0x200 [ 38.927445] ? __pfx_seccomp_check_filter+0x10/0x10 [ 38.928375] bpf_prog_create_from_user+0xb2/0x2f0 [ 38.929291] do_seccomp+0x349/0x25e0 [ 38.930024] ? __pfx_css_rstat_updated+0x10/0x10 [ 38.930926] ? __pfx_do_seccomp+0x10/0x10 [ 38.931740] ? find_held_lock+0x2b/0x80 [ 38.932454] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 38.933426] ? static_key_count+0x60/0x80 [ 38.934241] prctl_set_seccomp+0x4e/0x70 [ 38.935021] __do_sys_prctl+0xe6c/0x1d70 [ 38.935822] ? __pfx___do_sys_prctl+0x10/0x10 [ 38.936686] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 38.937654] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 38.938569] ? irqentry_exit+0xf3/0x650 [ 38.939345] do_syscall_64+0xbf/0x430 [ 38.940079] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 38.941020] RIP: 0033:0x7f2001db75cd [ 38.941739] 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 [ 38.944929] RSP: 002b:00007ffe3c9a5f00 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 38.946286] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f2001db75cd [ 38.947575] RDX: 000055d204aa8e00 RSI: 0000000000000002 RDI: 0000000000000016 [ 38.948872] RBP: 00007ffe3c9a5f60 R08: 0000000000000000 R09: 00007ffe3c9a5600 [ 38.950156] R10: 0000000000000000 R11: 0000000000000246 R12: 000055d2318fb240 [ 38.951446] R13: 00007ffe3c9a6390 R14: 000055d2318fabf0 R15: 000055d23190f4d0 [ 38.952766] [ 38.953195] irq event stamp: 1735 [ 38.953850] hardirqs last enabled at (1745): [] __up_console_sem+0x78/0x80 [ 38.955392] hardirqs last disabled at (1754): [] __up_console_sem+0x5d/0x80 [ 38.956909] softirqs last enabled at (1714): [] handle_softirqs+0x50c/0x770 [ 38.958465] softirqs last disabled at (1709): [] __irq_exit_rcu+0xc4/0x100 [ 38.960013] ---[ end trace 0000000000000000 ]--- [ 42.490507] ------------[ cut here ]------------ [ 42.491561] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 42.493879] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#0: sshd/244 [ 42.495564] Modules linked in: [ 42.496293] CPU: 0 UID: 104 PID: 244 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251118 #1 PREEMPT(voluntary) [ 42.498594] Tainted: [W]=WARN [ 42.499293] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 42.501010] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 42.502058] Code: e0 ad 11 00 81 e6 1f 52 ee ff 89 4c 24 40 89 74 24 30 90 48 c7 c7 40 38 f1 84 4c 8d 44 24 40 48 8d 54 24 30 e8 30 7b 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 [ 42.505742] RSP: 0018:ffff888016a67bc0 EFLAGS: 00010286 [ 42.506872] RAX: 0000000000000000 RBX: ffffed1002d4cf78 RCX: ffffffff813a4050 [ 42.508372] RDX: ffff888007338000 RSI: ffffffff813a405e RDI: 0000000000000001 [ 42.509859] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed1002d4cf2f [ 42.511365] R10: 0000000000000000 R11: 0000000000000001 R12: 0000000000400dc0 [ 42.512847] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff888016a67df8 [ 42.514347] FS: 00007fa92b660900(0000) GS:ffff8880e538f000(0000) knlGS:0000000000000000 [ 42.516029] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 42.517261] CR2: 00007ffddf5d0ef7 CR3: 000000001ee1b000 CR4: 0000000000350ef0 [ 42.518749] Call Trace: [ 42.519280] [ 42.519806] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 42.520848] ? __create_object+0x59/0x80 [ 42.521750] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 42.522861] __vmalloc_noprof+0x59/0x60 [ 42.523765] bpf_prog_alloc_no_stats+0x55/0x470 [ 42.524778] ? __pfx_seccomp_check_filter+0x10/0x10 [ 42.525853] bpf_prog_alloc+0x39/0x200 [ 42.526706] ? __pfx_seccomp_check_filter+0x10/0x10 [ 42.527800] bpf_prog_create_from_user+0xb2/0x2f0 [ 42.528844] do_seccomp+0x349/0x25e0 [ 42.529680] ? find_held_lock+0x2b/0x80 [ 42.530502] ? do_prlimit+0x310/0x610 [ 42.531372] ? __pfx_do_seccomp+0x10/0x10 [ 42.532280] ? do_raw_spin_unlock+0x53/0x220 [ 42.533243] ? _raw_spin_unlock+0x1e/0x40 [ 42.534148] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 42.535262] ? static_key_count+0x60/0x80 [ 42.536211] prctl_set_seccomp+0x4e/0x70 [ 42.537121] __do_sys_prctl+0xe6c/0x1d70 [ 42.538029] ? __pfx___do_sys_prctl+0x10/0x10 [ 42.539021] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 42.540164] ? irqentry_exit+0xf3/0x650 [ 42.541058] do_syscall_64+0xbf/0x430 [ 42.541913] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 42.543014] RIP: 0033:0x7fa92bb525cd [ 42.543846] 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 [ 42.547507] RSP: 002b:00007ffddf5ce920 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 42.549091] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007fa92bb525cd [ 42.550572] RDX: 0000558c56dc8e00 RSI: 0000000000000002 RDI: 0000000000000016 [ 42.552069] RBP: 00007ffddf5ce980 R08: 0000000000000000 R09: 00007ffddf5ce020 [ 42.553555] R10: 0000000000000000 R11: 0000000000000246 R12: 0000558c5caa8ad0 [ 42.555066] R13: 00007ffddf5cedb0 R14: 0000558c5caa9bc0 R15: 0000558c5caba780 [ 42.556574] [ 42.557116] irq event stamp: 1733 [ 42.557878] hardirqs last enabled at (1743): [] __up_console_sem+0x78/0x80 [ 42.559661] hardirqs last disabled at (1752): [] __up_console_sem+0x5d/0x80 [ 42.561188] softirqs last enabled at (1564): [] handle_softirqs+0x50c/0x770 [ 42.562671] softirqs last disabled at (1559): [] __irq_exit_rcu+0xc4/0x100 [ 42.564137] ---[ end trace 0000000000000000 ]--- [ 43.396553] ------------[ cut here ]------------ [ 43.397524] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 43.399791] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#1: sshd/252 [ 43.401394] Modules linked in: [ 43.402084] CPU: 1 UID: 104 PID: 252 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251118 #1 PREEMPT(voluntary) [ 43.404591] Tainted: [W]=WARN [ 43.405372] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 43.407070] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 43.408173] Code: e0 ad 11 00 81 e6 1f 52 ee ff 89 4c 24 40 89 74 24 30 90 48 c7 c7 40 38 f1 84 4c 8d 44 24 40 48 8d 54 24 30 e8 30 7b 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 [ 43.411863] RSP: 0018:ffff88801768fbc0 EFLAGS: 00010286 [ 43.413005] RAX: 0000000000000000 RBX: ffffed1002ed1f78 RCX: ffffffff813a4050 [ 43.414483] RDX: ffff888017550000 RSI: ffffffff813a405e RDI: 0000000000000001 [ 43.416025] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed1002ed1f2f [ 43.417516] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 43.419036] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff88801768fdf8 [ 43.420569] FS: 00007f2cf0811900(0000) GS:ffff8880e548f000(0000) knlGS:0000000000000000 [ 43.422284] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 43.423542] CR2: 00007f2cf0d03580 CR3: 000000001ef61000 CR4: 0000000000350ef0 [ 43.425080] Call Trace: [ 43.425672] [ 43.426161] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 43.427203] ? __create_object+0x59/0x80 [ 43.428159] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 43.429300] __vmalloc_noprof+0x59/0x60 [ 43.430199] bpf_prog_alloc_no_stats+0x55/0x470 [ 43.431221] ? __pfx_seccomp_check_filter+0x10/0x10 [ 43.432356] bpf_prog_alloc+0x39/0x200 [ 43.433237] ? __pfx_seccomp_check_filter+0x10/0x10 [ 43.434329] bpf_prog_create_from_user+0xb2/0x2f0 [ 43.435407] do_seccomp+0x349/0x25e0 [ 43.436347] ? __pfx_css_rstat_updated+0x10/0x10 [ 43.437682] ? __pfx_do_seccomp+0x10/0x10 [ 43.438837] ? find_held_lock+0x2b/0x80 [ 43.439941] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 43.441176] ? static_key_count+0x60/0x80 [ 43.442213] prctl_set_seccomp+0x4e/0x70 [ 43.443179] __do_sys_prctl+0xe6c/0x1d70 [ 43.444029] ? __pfx___do_sys_prctl+0x10/0x10 [ 43.444924] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 43.445929] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 43.446949] ? irqentry_exit+0xf3/0x650 [ 43.447768] do_syscall_64+0xbf/0x430 [ 43.448479] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 43.449460] RIP: 0033:0x7f2cf0d035cd [ 43.450193] 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 [ 43.453474] RSP: 002b:00007ffc667b9380 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 43.454906] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f2cf0d035cd [ 43.456251] RDX: 000055e6609c0e00 RSI: 0000000000000002 RDI: 0000000000000016 [ 43.457573] RBP: 00007ffc667b93e0 R08: 0000000000000000 R09: 00007ffc667b8a80 [ 43.458929] R10: 0000000000000000 R11: 0000000000000246 R12: 000055e69df79ad0 [ 43.460291] R13: 00007ffc667b9810 R14: 000055e69df7abc0 R15: 000055e69df8b780 [ 43.461648] [ 43.462100] irq event stamp: 1823 [ 43.462783] hardirqs last enabled at (1833): [] __up_console_sem+0x78/0x80 [ 43.464282] hardirqs last disabled at (1842): [] __up_console_sem+0x5d/0x80 [ 43.465633] softirqs last enabled at (1656): [] handle_softirqs+0x50c/0x770 [ 43.467012] softirqs last disabled at (1651): [] __irq_exit_rcu+0xc4/0x100 [ 43.468405] ---[ end trace 0000000000000000 ]--- Warning: Permanently added '[localhost]:36262' (ECDSA) to the list of known hosts. 2025/11/18 20:54:26 fuzzer started 2025/11/18 20:54:27 dialing manager at localhost:34383 2025/11/18 20:54:27 checking machine... 2025/11/18 20:54:27 checking revisions... [ 44.520300] kmemleak: Automatic memory scanning thread ended 2025/11/18 20:54:27 testing simple program... [ 44.596831] cgroup: Unknown subsys name 'net' [ 44.652473] cgroup: Unknown subsys name 'cpuset' [ 44.664251] cgroup: Unknown subsys name 'rlimit' executing program executing program VM DIAGNOSIS: 20:54:26 Registers: info registers vcpu 0 RAX=0000000000000005 RBX=ffff888007339bc0 RCX=0000000000000200 RDX=0000000000000008 RSI=ffff88800733a668 RDI=ffff88800733a668 RBP=ffff88800733a618 RSP=ffff88806ce088c0 R8 =0000000000000002 R9 =0000000000000000 R10=0000000000000001 R11=0000000000000000 R12=ffff88800733a668 R13=b503ba001073dead R14=0000000000000000 R15=0000000000000002 RIP=ffffffff815228f5 RFL=00000007 [-----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 00007fa92b660900 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=00007fa92bc17618 CR3=000000001eef5000 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 info registers vcpu 1 RAX=0000000000000003 RBX=dffffc0000000000 RCX=1ffff110012c6f60 RDX=0000000000000402 RSI=ffff888009637cc0 RDI=ffffffff85e2d2d8 RBP=ffff888009637cc0 RSP=ffff888009637c48 R8 =0000000000000001 R9 =0000000000000001 R10=0000000000000001 R11=0000000000000001 R12=ffffffff85e2d2d8 R13=ffff888009637cc0 R14=0000000000000003 R15=ffff888009613780 RIP=ffffffff814fb844 RFL=00000282 [--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 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=00007feef9652000 CR3=000000000e0ba000 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=2036323a34353a303220383120766f4e XMM01=73732878696e755f6d6170203a5d3334 XMM02=65736f6c63206e6f6973736573203a29 XMM03=755f6d6170203a5d3334325b64687373 XMM04=69662068637573206f4e203a656c6163 XMM05=3a656c696620766e65206e65706f206f XMM06=65733a6468737328766e655f6d617020 XMM07=6b7a79732035323a34353a3032203831 XMM08=30343d7974696c696261706163202279 XMM09=00000000000000000000000000000000 XMM10=00000000000000000000000000000000 XMM11=00000000000000000000000000000000 XMM12=00000000000000000000000000000000 XMM13=00000000000000000000000000000000 XMM14=00000000000000000000000000000000 XMM15=00000000000000000000000000000000