syzkaller login: [ 45.551338] ------------[ cut here ]------------ [ 45.552362] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 45.554601] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#1: sshd/231 [ 45.556214] Modules linked in: [ 45.556931] CPU: 1 UID: 104 PID: 231 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251117 #1 PREEMPT(voluntary) [ 45.559114] Tainted: [W]=WARN [ 45.559780] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 45.561381] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 45.562399] 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 [ 45.565835] RSP: 0018:ffff888015f67bc0 EFLAGS: 00010286 [ 45.566907] RAX: 0000000000000000 RBX: ffffed1002becf78 RCX: ffffffff813a4050 [ 45.568305] RDX: ffff88800f491bc0 RSI: ffffffff813a405e RDI: 0000000000000001 [ 45.569706] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed1002becf2f [ 45.571119] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 45.572541] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff888015f67df8 [ 45.573926] FS: 00007f82ea9df900(0000) GS:ffff8880e548f000(0000) knlGS:0000000000000000 [ 45.575543] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 45.576700] CR2: 00007ffce413bef7 CR3: 000000000dfb9000 CR4: 0000000000350ef0 [ 45.578091] Call Trace: [ 45.578676] [ 45.579130] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 45.580497] ? __create_object+0x59/0x80 [ 45.581687] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 45.582760] __vmalloc_noprof+0x59/0x60 [ 45.583605] bpf_prog_alloc_no_stats+0x55/0x470 [ 45.584567] ? __pfx_seccomp_check_filter+0x10/0x10 [ 45.585583] bpf_prog_alloc+0x39/0x200 [ 45.586336] ? __pfx_seccomp_check_filter+0x10/0x10 [ 45.587352] bpf_prog_create_from_user+0xb2/0x2f0 [ 45.588325] do_seccomp+0x349/0x25e0 [ 45.589124] ? find_held_lock+0x2b/0x80 [ 45.589970] ? do_prlimit+0x310/0x610 [ 45.590816] ? __pfx_do_seccomp+0x10/0x10 [ 45.591684] ? do_raw_spin_unlock+0x53/0x220 [ 45.592585] ? _raw_spin_unlock+0x1e/0x40 [ 45.593386] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 45.594454] ? static_key_count+0x60/0x80 [ 45.595316] prctl_set_seccomp+0x4e/0x70 [ 45.596172] __do_sys_prctl+0xe6c/0x1d70 [ 45.597034] ? __pfx___do_sys_prctl+0x10/0x10 [ 45.597968] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 45.599044] ? irqentry_exit+0xf3/0x650 [ 45.599879] do_syscall_64+0xbf/0x430 [ 45.600693] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 45.601731] RIP: 0033:0x7f82eaed15cd [ 45.602460] 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 [ 45.605872] RSP: 002b:00007ffce413a980 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 45.607374] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f82eaed15cd [ 45.608767] RDX: 000056472e02be00 RSI: 0000000000000002 RDI: 0000000000000016 [ 45.610180] RBP: 00007ffce413a9e0 R08: 0000000000000000 R09: 00007ffce413a080 [ 45.611577] R10: 0000000000000000 R11: 0000000000000246 R12: 000056475f968ad0 [ 45.612976] R13: 00007ffce413ae10 R14: 000056475f969bc0 R15: 000056475f97a780 [ 45.614399] [ 45.614900] irq event stamp: 1779 [ 45.615595] hardirqs last enabled at (1789): [] __up_console_sem+0x78/0x80 [ 45.617248] hardirqs last disabled at (1798): [] __up_console_sem+0x5d/0x80 [ 45.618882] softirqs last enabled at (1726): [] handle_softirqs+0x50c/0x770 [ 45.620244] softirqs last disabled at (1721): [] __irq_exit_rcu+0xc4/0x100 [ 45.621585] ---[ end trace 0000000000000000 ]--- [ 48.676467] ------------[ cut here ]------------ [ 48.677322] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 48.679164] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#1: sshd/240 [ 48.680456] Modules linked in: [ 48.680991] CPU: 1 UID: 104 PID: 240 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251117 #1 PREEMPT(voluntary) [ 48.682759] Tainted: [W]=WARN [ 48.683270] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 48.684605] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 48.685398] 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 [ 48.688433] RSP: 0018:ffff888013cd7bc0 EFLAGS: 00010286 [ 48.689363] RAX: 0000000000000000 RBX: ffffed100279af78 RCX: ffffffff813a4050 [ 48.690538] RDX: ffff888015e59bc0 RSI: ffffffff813a405e RDI: 0000000000000001 [ 48.691680] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed100279af2f [ 48.692858] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 48.693951] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff888013cd7df8 [ 48.695039] FS: 00007f42864f5900(0000) GS:ffff8880e548f000(0000) knlGS:0000000000000000 [ 48.696257] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 48.697264] CR2: 00007f42869e7580 CR3: 000000000df45000 CR4: 0000000000350ef0 [ 48.698494] Call Trace: [ 48.698954] [ 48.699332] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 48.700188] ? __create_object+0x59/0x80 [ 48.700974] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 48.701871] __vmalloc_noprof+0x59/0x60 [ 48.702558] bpf_prog_alloc_no_stats+0x55/0x470 [ 48.703318] ? __pfx_seccomp_check_filter+0x10/0x10 [ 48.704147] bpf_prog_alloc+0x39/0x200 [ 48.704828] ? __pfx_seccomp_check_filter+0x10/0x10 [ 48.705691] bpf_prog_create_from_user+0xb2/0x2f0 [ 48.706589] do_seccomp+0x349/0x25e0 [ 48.707234] ? __pfx_css_rstat_updated+0x10/0x10 [ 48.708013] ? __pfx_do_seccomp+0x10/0x10 [ 48.708762] ? find_held_lock+0x2b/0x80 [ 48.709419] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 48.710307] ? static_key_count+0x60/0x80 [ 48.711094] prctl_set_seccomp+0x4e/0x70 [ 48.711862] __do_sys_prctl+0xe6c/0x1d70 [ 48.712607] ? __pfx___do_sys_prctl+0x10/0x10 [ 48.713328] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 48.714217] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 48.715171] ? irqentry_exit+0xf3/0x650 [ 48.715906] do_syscall_64+0xbf/0x430 [ 48.716561] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 48.717357] RIP: 0033:0x7f42869e75cd [ 48.718004] 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 [ 48.720981] RSP: 002b:00007ffd98ec4f80 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 48.722266] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f42869e75cd [ 48.723440] RDX: 00005623b47dfe00 RSI: 0000000000000002 RDI: 0000000000000016 [ 48.724543] RBP: 00007ffd98ec4fe0 R08: 0000000000000000 R09: 00007ffd98ec4680 [ 48.725639] R10: 0000000000000000 R11: 0000000000000246 R12: 00005623d47bb240 [ 48.726770] R13: 00007ffd98ec5410 R14: 00005623d47c4380 R15: 00005623d47cf540 [ 48.727966] [ 48.728363] irq event stamp: 1687 [ 48.728943] hardirqs last enabled at (1697): [] __up_console_sem+0x78/0x80 [ 48.730362] hardirqs last disabled at (1706): [] __up_console_sem+0x5d/0x80 [ 48.731792] softirqs last enabled at (1458): [] handle_softirqs+0x50c/0x770 [ 48.733242] softirqs last disabled at (1453): [] __irq_exit_rcu+0xc4/0x100 [ 48.734691] ---[ end trace 0000000000000000 ]--- [ 49.430946] ------------[ cut here ]------------ [ 49.431896] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 49.433955] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#1: sshd/247 [ 49.435416] Modules linked in: [ 49.436036] CPU: 1 UID: 104 PID: 247 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251117 #1 PREEMPT(voluntary) [ 49.438269] Tainted: [W]=WARN [ 49.438937] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 49.440418] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 49.441315] 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 [ 49.444494] RSP: 0018:ffff88801a31fbc0 EFLAGS: 00010286 [ 49.445475] RAX: 0000000000000000 RBX: ffffed1003463f78 RCX: ffffffff813a4050 [ 49.446859] RDX: ffff888016a68000 RSI: ffffffff813a405e RDI: 0000000000000001 [ 49.448230] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed1003463f2f [ 49.449542] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 49.450844] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff88801a31fdf8 [ 49.452204] FS: 00007f3fa79ef900(0000) GS:ffff8880e548f000(0000) knlGS:0000000000000000 [ 49.453755] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 49.454914] CR2: 00007f3fa7f554a6 CR3: 000000001e820000 CR4: 0000000000350ef0 [ 49.456282] Call Trace: [ 49.456791] [ 49.457198] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 49.458100] ? __create_object+0x59/0x80 [ 49.458883] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 49.459838] __vmalloc_noprof+0x59/0x60 [ 49.460594] bpf_prog_alloc_no_stats+0x55/0x470 [ 49.461421] ? __pfx_seccomp_check_filter+0x10/0x10 [ 49.462357] bpf_prog_alloc+0x39/0x200 [ 49.463076] ? __pfx_seccomp_check_filter+0x10/0x10 [ 49.463990] bpf_prog_create_from_user+0xb2/0x2f0 [ 49.464879] do_seccomp+0x349/0x25e0 [ 49.465606] ? find_held_lock+0x2b/0x80 [ 49.466323] ? do_prlimit+0x310/0x610 [ 49.467055] ? __pfx_do_seccomp+0x10/0x10 [ 49.467824] ? do_raw_spin_unlock+0x53/0x220 [ 49.468641] ? _raw_spin_unlock+0x1e/0x40 [ 49.469359] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 49.470316] ? static_key_count+0x60/0x80 [ 49.471112] prctl_set_seccomp+0x4e/0x70 [ 49.471891] __do_sys_prctl+0xe6c/0x1d70 [ 49.472681] ? __pfx___do_sys_prctl+0x10/0x10 [ 49.473486] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 49.474457] ? irqentry_exit+0xf3/0x650 [ 49.475234] do_syscall_64+0xbf/0x430 [ 49.475979] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 49.476927] RIP: 0033:0x7f3fa7ee15cd [ 49.477632] 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 [ 49.480799] RSP: 002b:00007ffda11f6f10 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 49.482188] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f3fa7ee15cd [ 49.483481] RDX: 0000560fc3276e00 RSI: 0000000000000002 RDI: 0000000000000016 [ 49.484788] RBP: 00007ffda11f6f70 R08: 0000000000000000 R09: 00007ffda11f6610 [ 49.486066] R10: 0000000000000000 R11: 0000000000000246 R12: 0000560ffa710ad0 [ 49.487358] R13: 00007ffda11f73a0 R14: 0000560ffa711bc0 R15: 0000560ffa722780 [ 49.488656] [ 49.489085] irq event stamp: 2899 [ 49.489743] hardirqs last enabled at (2909): [] __up_console_sem+0x78/0x80 [ 49.491273] hardirqs last disabled at (2918): [] __up_console_sem+0x5d/0x80 [ 49.492788] softirqs last enabled at (2820): [] handle_softirqs+0x50c/0x770 [ 49.494329] softirqs last disabled at (2815): [] __irq_exit_rcu+0xc4/0x100 [ 49.495668] ---[ end trace 0000000000000000 ]--- Warning: Permanently added '[localhost]:47832' (ECDSA) to the list of known hosts. 2025/11/17 14:50:20 fuzzer started 2025/11/17 14:50:20 dialing manager at localhost:37895 2025/11/17 14:50:20 checking machine... 2025/11/17 14:50:20 checking revisions... [ 50.378341] kmemleak: Automatic memory scanning thread ended 2025/11/17 14:50:20 testing simple program... [ 50.468677] cgroup: Unknown subsys name 'net' [ 50.605128] cgroup: Unknown subsys name 'cpuset' [ 50.706456] cgroup: Unknown subsys name 'rlimit' executing program executing program executing program VM DIAGNOSIS: 14:50:20 Registers: info registers vcpu 0 RAX=ffff888017d50000 RBX=0000000000000000 RCX=0000000000000001 RDX=0000000000000000 RSI=ffffffff8135e4bd RDI=fffffbfff0bc3ffc RBP=ffffffff85e1ffe0 RSP=ffff88801b5b7998 R8 =0000000000000000 R9 =0000000000000000 R10=000000000003c9ed R11=000000000009a3d8 R12=0000000000000002 R13=0000000000000000 R14=0000000000000000 R15=0000000000000246 RIP=ffffffff81529333 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 00007f42864f5900 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=00007ffd98ebf000 CR3=000000000eceb000 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=74696d7265705f6d61703d73726f746e XMM02=000000000000000000000000000000ff XMM03=0000006f730074696d7265705f6d6170 XMM04=40404040404040404040404040404040 XMM05=5a5a5a5a5a5a5a5a5a5a5a5a5a5a5a5a XMM06=20202020202020202020202020202020 XMM07=00000000000000000000000000000000 XMM08=61662029286e65706f5f746964756100 XMM09=00000000000000000000000000000000 XMM10=00000000000000000000000000000000 XMM11=00000000000000000000000000000000 XMM12=00000000000000000000000000000000 XMM13=00000000000000000000000000000000 XMM14=00000000000000000000000000000000 XMM15=00000000000000000000000000000000 info registers vcpu 1 RAX=000000000002e0fd 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=00000202 [-------] 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 fffffe2300000000 00000000 00000000 TR =0040 fffffe000004a000 00004087 00008b00 DPL=0 TSS64-busy GDT= fffffe0000048000 0000007f IDT= fffffe0000000000 00000fff CR0=80050033 CR2=00007ffdef923cb8 CR3=000000000e52e000 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=2039313a30353a343120373120766f4e XMM01=73732878696e755f6d6170203a5d3933 XMM02=65736f6c63206e6f6973736573203a29 XMM03=755f6d6170203a5d3933325b64687373 XMM04=69662068637573206f4e203a656c6163 XMM05=3a656c696620766e65206e65706f206f XMM06=65733a6468737328766e655f6d617020 XMM07=6b7a79732039313a30353a3431203731 XMM08=30343d7974696c696261706163202279 XMM09=00000000000000000000000000000000 XMM10=00000000000000000000000000000000 XMM11=00000000000000000000000000000000 XMM12=00000000000000000000000000000000 XMM13=00000000000000000000000000000000 XMM14=00000000000000000000000000000000 XMM15=00000000000000000000000000000000