syzkaller login: [ 39.423923] ------------[ cut here ]------------ [ 39.424860] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 39.426920] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#0: sshd/235 [ 39.428398] Modules linked in: [ 39.429006] CPU: 0 UID: 104 PID: 235 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251117 #1 PREEMPT(voluntary) [ 39.431015] Tainted: [W]=WARN [ 39.431636] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 39.433104] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 39.434044] 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 [ 39.437226] RSP: 0018:ffff8880179bfbc0 EFLAGS: 00010286 [ 39.438204] RAX: 0000000000000000 RBX: ffffed1002f37f78 RCX: ffffffff813a4050 [ 39.439480] RDX: ffff888014550000 RSI: ffffffff813a405e RDI: 0000000000000001 [ 39.440757] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed1002f37f2f [ 39.442039] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 39.443315] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff8880179bfdf8 [ 39.444623] FS: 00007f164013f900(0000) GS:ffff8880e538f000(0000) knlGS:0000000000000000 [ 39.446106] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 39.447193] CR2: 00007fff93ddeef8 CR3: 000000001d8e9000 CR4: 0000000000350ef0 [ 39.448519] Call Trace: [ 39.448991] [ 39.449433] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 39.450359] ? __create_object+0x59/0x80 [ 39.451120] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 39.452110] __vmalloc_noprof+0x59/0x60 [ 39.452893] bpf_prog_alloc_no_stats+0x55/0x470 [ 39.453801] ? __pfx_seccomp_check_filter+0x10/0x10 [ 39.454772] bpf_prog_alloc+0x39/0x200 [ 39.455516] ? __pfx_seccomp_check_filter+0x10/0x10 [ 39.456466] bpf_prog_create_from_user+0xb2/0x2f0 [ 39.457394] do_seccomp+0x349/0x25e0 [ 39.458098] ? find_held_lock+0x2b/0x80 [ 39.458886] ? do_prlimit+0x310/0x610 [ 39.459641] ? __pfx_do_seccomp+0x10/0x10 [ 39.460430] ? do_raw_spin_unlock+0x53/0x220 [ 39.461270] ? _raw_spin_unlock+0x1e/0x40 [ 39.462035] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 39.463009] ? static_key_count+0x60/0x80 [ 39.463811] prctl_set_seccomp+0x4e/0x70 [ 39.464580] __do_sys_prctl+0xe6c/0x1d70 [ 39.465383] ? __pfx___do_sys_prctl+0x10/0x10 [ 39.466272] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 39.467255] ? irqentry_exit+0xf3/0x650 [ 39.467991] do_syscall_64+0xbf/0x430 [ 39.468752] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 39.469719] RIP: 0033:0x7f16406315cd [ 39.470449] 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 [ 39.473666] RSP: 002b:00007fff93ddde00 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 39.475071] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f16406315cd [ 39.476368] RDX: 000055e0a294fe00 RSI: 0000000000000002 RDI: 0000000000000016 [ 39.477670] RBP: 00007fff93ddde60 R08: 0000000000000000 R09: 00007fff93ddd500 [ 39.478971] R10: 0000000000000000 R11: 0000000000000246 R12: 000055e0d7736ad0 [ 39.480262] R13: 00007fff93dde290 R14: 000055e0d7737bc0 R15: 000055e0d7748780 [ 39.481566] [ 39.482005] irq event stamp: 1689 [ 39.482656] hardirqs last enabled at (1699): [] __up_console_sem+0x78/0x80 [ 39.484203] hardirqs last disabled at (1708): [] __up_console_sem+0x5d/0x80 [ 39.485770] softirqs last enabled at (1648): [] handle_softirqs+0x50c/0x770 [ 39.487355] softirqs last disabled at (1643): [] __irq_exit_rcu+0xc4/0x100 [ 39.488890] ---[ end trace 0000000000000000 ]--- [ 42.304747] ------------[ cut here ]------------ [ 42.305711] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 42.307762] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#0: sshd/243 [ 42.309237] Modules linked in: [ 42.309844] CPU: 0 UID: 104 PID: 243 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251117 #1 PREEMPT(voluntary) [ 42.311854] Tainted: [W]=WARN [ 42.312445] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 42.313908] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 42.314855] 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 [ 42.318057] RSP: 0018:ffff8880170cfbc0 EFLAGS: 00010286 [ 42.319030] RAX: 0000000000000000 RBX: ffffed1002e19f78 RCX: ffffffff813a4050 [ 42.320343] RDX: ffff888016a90000 RSI: ffffffff813a405e RDI: 0000000000000001 [ 42.321640] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed1002e19f2f [ 42.322943] R10: 0000000000000000 R11: 0000000000000001 R12: 0000000000400dc0 [ 42.324246] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff8880170cfdf8 [ 42.325554] FS: 00007f782b75b900(0000) GS:ffff8880e538f000(0000) knlGS:0000000000000000 [ 42.327021] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 42.328085] CR2: 00007fff68071ef8 CR3: 000000000d4c3000 CR4: 0000000000350ef0 [ 42.329371] Call Trace: [ 42.329842] [ 42.330304] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 42.331225] ? __create_object+0x59/0x80 [ 42.331968] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 42.332947] __vmalloc_noprof+0x59/0x60 [ 42.333715] bpf_prog_alloc_no_stats+0x55/0x470 [ 42.334623] ? __pfx_seccomp_check_filter+0x10/0x10 [ 42.335566] bpf_prog_alloc+0x39/0x200 [ 42.336312] ? __pfx_seccomp_check_filter+0x10/0x10 [ 42.337251] bpf_prog_create_from_user+0xb2/0x2f0 [ 42.338180] do_seccomp+0x349/0x25e0 [ 42.338865] ? find_held_lock+0x2b/0x80 [ 42.339641] ? do_prlimit+0x310/0x610 [ 42.340402] ? __pfx_do_seccomp+0x10/0x10 [ 42.341201] ? do_raw_spin_unlock+0x53/0x220 [ 42.342008] ? _raw_spin_unlock+0x1e/0x40 [ 42.342788] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 42.343773] ? static_key_count+0x60/0x80 [ 42.344575] prctl_set_seccomp+0x4e/0x70 [ 42.345365] __do_sys_prctl+0xe6c/0x1d70 [ 42.346177] ? __pfx___do_sys_prctl+0x10/0x10 [ 42.346989] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 42.347958] ? irqentry_exit+0xf3/0x650 [ 42.348712] do_syscall_64+0xbf/0x430 [ 42.349456] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 42.350432] RIP: 0033:0x7f782bc4d5cd [ 42.351090] 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 [ 42.354310] RSP: 002b:00007fff6806ff10 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 42.355668] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f782bc4d5cd [ 42.356962] RDX: 000055fed5c5ee00 RSI: 0000000000000002 RDI: 0000000000000016 [ 42.358269] RBP: 00007fff6806ff70 R08: 0000000000000000 R09: 00007fff6806f610 [ 42.359560] R10: 0000000000000000 R11: 0000000000000246 R12: 000055fefa549ad0 [ 42.360846] R13: 00007fff680703a0 R14: 000055fefa54abc0 R15: 000055fefa55b780 [ 42.362170] [ 42.362601] irq event stamp: 1749 [ 42.363251] hardirqs last enabled at (1759): [] __up_console_sem+0x78/0x80 [ 42.364810] hardirqs last disabled at (1768): [] __up_console_sem+0x5d/0x80 [ 42.366358] softirqs last enabled at (1672): [] handle_softirqs+0x50c/0x770 [ 42.367918] softirqs last disabled at (1667): [] __irq_exit_rcu+0xc4/0x100 [ 42.369455] ---[ end trace 0000000000000000 ]--- [ 43.104892] ------------[ cut here ]------------ [ 43.105828] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 43.107907] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#1: sshd/250 [ 43.109371] Modules linked in: [ 43.109953] CPU: 1 UID: 104 PID: 250 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251117 #1 PREEMPT(voluntary) [ 43.111912] Tainted: [W]=WARN [ 43.112506] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 43.113951] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 43.114877] 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 [ 43.117993] RSP: 0018:ffff888017bdfbc0 EFLAGS: 00010286 [ 43.118982] RAX: 0000000000000000 RBX: ffffed1002f7bf78 RCX: ffffffff813a4050 [ 43.120237] RDX: ffff88801aa1d340 RSI: ffffffff813a405e RDI: 0000000000000001 [ 43.121497] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed1002f7bf2f [ 43.122770] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 43.124033] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff888017bdfdf8 [ 43.125304] FS: 00007f1a4e2fa900(0000) GS:ffff8880e548f000(0000) knlGS:0000000000000000 [ 43.126732] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 43.127792] CR2: 00007ffdbf8daef8 CR3: 000000001d841000 CR4: 0000000000350ef0 [ 43.129064] Call Trace: [ 43.129562] [ 43.129964] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 43.130867] ? __create_object+0x59/0x80 [ 43.131655] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 43.132620] __vmalloc_noprof+0x59/0x60 [ 43.133368] bpf_prog_alloc_no_stats+0x55/0x470 [ 43.134247] ? __pfx_seccomp_check_filter+0x10/0x10 [ 43.135127] bpf_prog_alloc+0x39/0x200 [ 43.135861] ? __pfx_seccomp_check_filter+0x10/0x10 [ 43.136778] bpf_prog_create_from_user+0xb2/0x2f0 [ 43.137684] do_seccomp+0x349/0x25e0 [ 43.138403] ? find_held_lock+0x2b/0x80 [ 43.139111] ? do_prlimit+0x310/0x610 [ 43.139843] ? __pfx_do_seccomp+0x10/0x10 [ 43.140632] ? do_raw_spin_unlock+0x53/0x220 [ 43.141451] ? _raw_spin_unlock+0x1e/0x40 [ 43.142248] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 43.143239] ? static_key_count+0x60/0x80 [ 43.144017] prctl_set_seccomp+0x4e/0x70 [ 43.144791] __do_sys_prctl+0xe6c/0x1d70 [ 43.145593] ? __pfx___do_sys_prctl+0x10/0x10 [ 43.146483] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 43.147460] ? irqentry_exit+0xf3/0x650 [ 43.148235] do_syscall_64+0xbf/0x430 [ 43.148951] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 43.149895] RIP: 0033:0x7f1a4e7ec5cd [ 43.150613] 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 [ 43.153773] RSP: 002b:00007ffdbf8d9710 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 43.155168] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f1a4e7ec5cd [ 43.156459] RDX: 000055781aec6e00 RSI: 0000000000000002 RDI: 0000000000000016 [ 43.157750] RBP: 00007ffdbf8d9770 R08: 0000000000000000 R09: 00007ffdbf8d8e10 [ 43.159055] R10: 0000000000000000 R11: 0000000000000246 R12: 0000557845de8ad0 [ 43.160352] R13: 00007ffdbf8d9ba0 R14: 0000557845de9bc0 R15: 0000557845dfa780 [ 43.161640] [ 43.162071] irq event stamp: 1731 [ 43.162719] hardirqs last enabled at (1741): [] __up_console_sem+0x78/0x80 [ 43.164238] hardirqs last disabled at (1750): [] __up_console_sem+0x5d/0x80 [ 43.165760] softirqs last enabled at (1710): [] handle_softirqs+0x50c/0x770 [ 43.167300] softirqs last disabled at (1705): [] __irq_exit_rcu+0xc4/0x100 [ 43.168819] ---[ end trace 0000000000000000 ]--- Warning: Permanently added '[localhost]:21596' (ECDSA) to the list of known hosts. 2025/11/17 21:42:02 fuzzer started 2025/11/17 21:42:03 dialing manager at localhost:37895 2025/11/17 21:42:03 checking machine... 2025/11/17 21:42:03 checking revisions... [ 44.267503] kmemleak: Automatic memory scanning thread ended 2025/11/17 21:42:03 testing simple program... [ 44.350119] cgroup: Unknown subsys name 'net' [ 44.422252] cgroup: Unknown subsys name 'cpuset' [ 44.442616] cgroup: Unknown subsys name 'rlimit' executing program executing program VM DIAGNOSIS: 21:42:02 Registers: info registers vcpu 0 RAX=0000001ceab236f4 RBX=0000000000000000 RCX=00000000000006e0 RDX=000000000000001c RSI=ffff88806ce23b00 RDI=000000000005150b RBP=ffff88806ce23b00 RSP=ffff88806ce08ed8 R8 =0000000000000001 R9 =0000000000000000 R10=00000000000e8c40 R11=0000000000000001 R12=000000000005150b R13=0000000000000000 R14=0000000000000000 R15=ffff88806ce28500 RIP=ffffffff8132e865 RFL=00000013 [----A-C] 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 00007f782b75b900 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=00007f782b725008 CR3=000000001f696000 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=2032303a32343a313220373120766f4e XMM01=73732878696e755f6d6170203a5d3234 XMM02=65736f6c63206e6f6973736573203a29 XMM03=755f6d6170203a5d3234325b64687373 XMM04=69662068637573206f4e203a656c6163 XMM05=3a656c696620766e65206e65706f206f XMM06=65733a6468737328766e655f6d617020 XMM07=6b7a79732031303a32343a3132203731 XMM08=30343d7974696c696261706163202279 XMM09=00000000000000000000000000000000 XMM10=00000000000000000000000000000000 XMM11=00000000000000000000000000000000 XMM12=00000000000000000000000000000000 XMM13=00000000000000000000000000000000 XMM14=00000000000000000000000000000000 XMM15=00000000000000000000000000000000 info registers vcpu 1 RAX=000000000002540f 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 fffffe0b00000000 00000000 00000000 TR =0040 fffffe000004a000 00004087 00008b00 DPL=0 TSS64-busy GDT= fffffe0000048000 0000007f IDT= fffffe0000000000 00000fff CR0=80050033 CR2=00007ffddc0658e8 CR3=000000000ce92000 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=32343a313220373120766f4e3e36383c XMM01=7365733a646873732878696e755f6d61 XMM02=736f6c63206e6f6973736573203a296e XMM03=5f6d6170203a5d3234325b6468737320 XMM04=6456774875434142334f726f59427469 XMM05=485320415352203a3268737320343132 XMM06=206d6f726620746f6f7220726f662079 XMM07=00000000000000000000000000000000 XMM08=3a677562656420676f6c737973720000 XMM09=00000000000000000000000000000000 XMM10=00000000000000000000000000000000 XMM11=00000000000000000000000000000000 XMM12=00000000000000000000000000000000 XMM13=00000000000000000000000000000000 XMM14=00000000000000000000000000000000 XMM15=00000000000000000000000000000000