syzkaller login: [ 39.044508] ------------[ cut here ]------------ [ 39.045313] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 39.047317] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#1: sshd/232 [ 39.048556] Modules linked in: [ 39.049048] CPU: 1 UID: 104 PID: 232 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251118 #1 PREEMPT(voluntary) [ 39.050671] Tainted: [W]=WARN [ 39.051167] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 39.052368] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 39.053096] 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 [ 39.055717] RSP: 0018:ffff8880174a7bc0 EFLAGS: 00010286 [ 39.056540] RAX: 0000000000000000 RBX: ffffed1002e94f78 RCX: ffffffff813a4050 [ 39.057601] RDX: ffff888018738000 RSI: ffffffff813a405e RDI: 0000000000000001 [ 39.058667] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed1002e94f2f [ 39.059738] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 39.060825] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff8880174a7df8 [ 39.061885] FS: 00007f1f55e57900(0000) GS:ffff8880e548f000(0000) knlGS:0000000000000000 [ 39.063082] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 39.063967] CR2: 00007ffdc92c5ef7 CR3: 000000000c18b000 CR4: 0000000000350ef0 [ 39.065045] Call Trace: [ 39.065471] [ 39.065813] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 39.066553] ? __create_object+0x59/0x80 [ 39.067207] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 39.067975] __vmalloc_noprof+0x59/0x60 [ 39.068618] bpf_prog_alloc_no_stats+0x55/0x470 [ 39.069336] ? __pfx_seccomp_check_filter+0x10/0x10 [ 39.070065] bpf_prog_alloc+0x39/0x200 [ 39.070674] ? __pfx_seccomp_check_filter+0x10/0x10 [ 39.071431] bpf_prog_create_from_user+0xb2/0x2f0 [ 39.072189] do_seccomp+0x349/0x25e0 [ 39.072759] ? find_held_lock+0x2b/0x80 [ 39.073399] ? do_prlimit+0x310/0x610 [ 39.073976] ? __pfx_do_seccomp+0x10/0x10 [ 39.074635] ? do_raw_spin_unlock+0x53/0x220 [ 39.075323] ? _raw_spin_unlock+0x1e/0x40 [ 39.075939] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 39.076769] ? static_key_count+0x60/0x80 [ 39.077432] prctl_set_seccomp+0x4e/0x70 [ 39.078036] __do_sys_prctl+0xe6c/0x1d70 [ 39.078682] ? __pfx___do_sys_prctl+0x10/0x10 [ 39.079402] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 39.080203] ? irqentry_exit+0xf3/0x650 [ 39.080815] do_syscall_64+0xbf/0x430 [ 39.081429] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 39.082211] RIP: 0033:0x7f1f563495cd [ 39.082762] 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 [ 39.085426] RSP: 002b:00007ffdc92c3b40 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 39.086566] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f1f563495cd [ 39.087625] RDX: 000055d7b759ce00 RSI: 0000000000000002 RDI: 0000000000000016 [ 39.088699] RBP: 00007ffdc92c3ba0 R08: 0000000000000000 R09: 00007ffdc92c3240 [ 39.089778] R10: 0000000000000000 R11: 0000000000000246 R12: 000055d7c1fdcad0 [ 39.090841] R13: 00007ffdc92c3fd0 R14: 000055d7c1fddbc0 R15: 000055d7c1fee780 [ 39.091919] [ 39.092320] irq event stamp: 1673 [ 39.092837] hardirqs last enabled at (1681): [] __up_console_sem+0x78/0x80 [ 39.094113] hardirqs last disabled at (1690): [] __up_console_sem+0x5d/0x80 [ 39.095401] softirqs last enabled at (1640): [] handle_softirqs+0x50c/0x770 [ 39.096704] softirqs last disabled at (1635): [] __irq_exit_rcu+0xc4/0x100 [ 39.097957] ---[ end trace 0000000000000000 ]--- [ 41.930045] ------------[ cut here ]------------ [ 41.930502] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 41.931454] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#0: sshd/241 [ 41.932147] Modules linked in: [ 41.932431] CPU: 0 UID: 104 PID: 241 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251118 #1 PREEMPT(voluntary) [ 41.933411] Tainted: [W]=WARN [ 41.933671] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 41.934377] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 41.934789] 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 [ 41.936303] RSP: 0018:ffff88801748fbc0 EFLAGS: 00010286 [ 41.936761] RAX: 0000000000000000 RBX: ffffed1002e91f78 RCX: ffffffff813a4050 [ 41.937379] RDX: ffff8880164dd340 RSI: ffffffff813a405e RDI: 0000000000000001 [ 41.937973] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed1002e91f2f [ 41.938600] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 41.939217] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff88801748fdf8 [ 41.939861] FS: 00007f35ad05a900(0000) GS:ffff8880e538f000(0000) knlGS:0000000000000000 [ 41.940709] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 41.941333] CR2: 00007ffff9852ef7 CR3: 000000000b9b9000 CR4: 0000000000350ef0 [ 41.941935] Call Trace: [ 41.942186] [ 41.942383] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 41.942787] ? __create_object+0x59/0x80 [ 41.943157] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 41.943599] __vmalloc_noprof+0x59/0x60 [ 41.943940] bpf_prog_alloc_no_stats+0x55/0x470 [ 41.944357] ? __pfx_seccomp_check_filter+0x10/0x10 [ 41.944797] bpf_prog_alloc+0x39/0x200 [ 41.945210] ? __pfx_seccomp_check_filter+0x10/0x10 [ 41.945681] bpf_prog_create_from_user+0xb2/0x2f0 [ 41.946273] do_seccomp+0x349/0x25e0 [ 41.946685] ? find_held_lock+0x2b/0x80 [ 41.947025] ? do_prlimit+0x310/0x610 [ 41.947382] ? __pfx_do_seccomp+0x10/0x10 [ 41.947735] ? do_raw_spin_unlock+0x53/0x220 [ 41.948110] ? _raw_spin_unlock+0x1e/0x40 [ 41.948490] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 41.948926] ? static_key_count+0x60/0x80 [ 41.949310] prctl_set_seccomp+0x4e/0x70 [ 41.949657] __do_sys_prctl+0xe6c/0x1d70 [ 41.950005] ? __pfx___do_sys_prctl+0x10/0x10 [ 41.950418] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 41.950856] ? irqentry_exit+0xf3/0x650 [ 41.951226] do_syscall_64+0xbf/0x430 [ 41.951560] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 41.951991] RIP: 0033:0x7f35ad54c5cd [ 41.952361] 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 [ 41.954036] RSP: 002b:00007ffff9850820 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 41.954693] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f35ad54c5cd [ 41.955318] RDX: 0000559252d8ee00 RSI: 0000000000000002 RDI: 0000000000000016 [ 41.955914] RBP: 00007ffff9850880 R08: 0000000000000000 R09: 00007ffff984ff20 [ 41.956538] R10: 0000000000000000 R11: 0000000000000246 R12: 0000559270037ad0 [ 41.957154] R13: 00007ffff9850cb0 R14: 0000559270038bc0 R15: 0000559270049780 [ 41.957756] [ 41.957958] irq event stamp: 1681 [ 41.958273] hardirqs last enabled at (1691): [] __up_console_sem+0x78/0x80 [ 41.958983] hardirqs last disabled at (1698): [] __up_console_sem+0x5d/0x80 [ 41.959718] softirqs last enabled at (1228): [] handle_softirqs+0x50c/0x770 [ 41.960472] softirqs last disabled at (1219): [] __irq_exit_rcu+0xc4/0x100 [ 41.961204] ---[ end trace 0000000000000000 ]--- [ 42.571611] ------------[ cut here ]------------ [ 42.572405] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 42.574125] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#1: sshd/248 [ 42.575391] Modules linked in: [ 42.575898] CPU: 1 UID: 104 PID: 248 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251118 #1 PREEMPT(voluntary) [ 42.577577] Tainted: [W]=WARN [ 42.578046] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 42.579299] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 42.580037] 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 [ 42.582793] RSP: 0018:ffff888013b2fbc0 EFLAGS: 00010286 [ 42.583622] RAX: 0000000000000000 RBX: ffffed1002765f78 RCX: ffffffff813a4050 [ 42.584695] RDX: ffff88800f731bc0 RSI: ffffffff813a405e RDI: 0000000000000001 [ 42.585763] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed1002765f2f [ 42.586823] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 42.587903] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff888013b2fdf8 [ 42.588979] FS: 00007f75fe7bf900(0000) GS:ffff8880e548f000(0000) knlGS:0000000000000000 [ 42.590193] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 42.591043] CR2: 00007ffd8823eef7 CR3: 000000000ddaf000 CR4: 0000000000350ef0 [ 42.592109] Call Trace: [ 42.592535] [ 42.592878] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 42.593629] ? __create_object+0x59/0x80 [ 42.594289] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 42.595057] __vmalloc_noprof+0x59/0x60 [ 42.595699] bpf_prog_alloc_no_stats+0x55/0x470 [ 42.596424] ? __pfx_seccomp_check_filter+0x10/0x10 [ 42.597217] bpf_prog_alloc+0x39/0x200 [ 42.597788] ? __pfx_seccomp_check_filter+0x10/0x10 [ 42.598565] bpf_prog_create_from_user+0xb2/0x2f0 [ 42.599312] do_seccomp+0x349/0x25e0 [ 42.599869] ? find_held_lock+0x2b/0x80 [ 42.600512] ? do_prlimit+0x310/0x610 [ 42.601095] ? __pfx_do_seccomp+0x10/0x10 [ 42.601755] ? do_raw_spin_unlock+0x53/0x220 [ 42.602450] ? _raw_spin_unlock+0x1e/0x40 [ 42.603057] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 42.603857] ? static_key_count+0x60/0x80 [ 42.604534] prctl_set_seccomp+0x4e/0x70 [ 42.605180] __do_sys_prctl+0xe6c/0x1d70 [ 42.605792] ? __pfx___do_sys_prctl+0x10/0x10 [ 42.606511] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 42.607327] ? irqentry_exit+0xf3/0x650 [ 42.607923] do_syscall_64+0xbf/0x430 [ 42.608550] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 42.609340] RIP: 0033:0x7f75fecb15cd [ 42.609888] 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 [ 42.612532] RSP: 002b:00007ffd8823c980 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 42.613672] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f75fecb15cd [ 42.614734] RDX: 000055a1f0294e00 RSI: 0000000000000002 RDI: 0000000000000016 [ 42.615795] RBP: 00007ffd8823c9e0 R08: 0000000000000000 R09: 00007ffd8823c080 [ 42.616869] R10: 0000000000000000 R11: 0000000000000246 R12: 000055a22b015bf0 [ 42.617935] R13: 00007ffd8823ce10 R14: 000055a22b01f380 R15: 000055a22b02a460 [ 42.619017] [ 42.619395] irq event stamp: 1763 [ 42.619896] hardirqs last enabled at (1771): [] __up_console_sem+0x78/0x80 [ 42.621168] hardirqs last disabled at (1780): [] __up_console_sem+0x5d/0x80 [ 42.622430] softirqs last enabled at (1794): [] handle_softirqs+0x50c/0x770 [ 42.623711] softirqs last disabled at (1789): [] __irq_exit_rcu+0xc4/0x100 [ 42.624979] ---[ end trace 0000000000000000 ]--- Warning: Permanently added '[localhost]:29247' (ECDSA) to the list of known hosts. 2025/11/18 09:26:10 fuzzer started 2025/11/18 09:26:11 dialing manager at localhost:34383 2025/11/18 09:26:11 checking machine... 2025/11/18 09:26:11 checking revisions... [ 43.579749] kmemleak: Automatic memory scanning thread ended 2025/11/18 09:26:11 testing simple program... [ 43.679211] cgroup: Unknown subsys name 'net' [ 43.761832] cgroup: Unknown subsys name 'cpuset' [ 43.782762] cgroup: Unknown subsys name 'rlimit' executing program executing program executing program VM DIAGNOSIS: 09:26:10 Registers: info registers vcpu 0 RAX=0000000000000000 RBX=0000000000000001 RCX=ffffffff8175a7c7 RDX=ffff8880164db780 RSI=ffffffff8175a716 RDI=ffffffff85e1ffe0 RBP=ffffffff85e1ffe0 RSP=ffff888016577798 R8 =0000000000000001 R9 =0000000000000000 R10=0000000000000001 R11=0000000000000001 R12=ffffffff8175a716 R13=0000000000000000 R14=ffffffff85e787a8 R15=ffff8880096c7b40 RIP=ffffffff815bd105 RFL=00000247 [---Z-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 00007f35ad05a900 00000000 00000000 GS =0000 ffff8880e538f000 00000000 00000000 LDT=0000 fffffe7400000000 00000000 00000000 TR =0040 fffffe0000003000 00004087 00008b00 DPL=0 TSS64-busy GDT= fffffe0000001000 0000007f IDT= fffffe0000000000 00000fff CR0=80050033 CR2=00007ffff984a000 CR3=000000000daeb000 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=6720646572637465733a4d41503d706f XMM01=652022746f6f72223d74636361207469 XMM02=3d6c616e696d72657420322e322e302e XMM03=3d656d616e74736f682022646873732f XMM04=40404040404040404040404040404040 XMM05=5a5a5a5a5a5a5a5a5a5a5a5a5a5a5a5a XMM06=20202020202020202020202020202020 XMM07=00000000000000000000000000000000 XMM08=652075253d64692073253d706f000000 XMM09=00000000000000000000000000000000 XMM10=00000000000000000000000000000000 XMM11=00000000000000000000000000000000 XMM12=00000000000000000000000000000000 XMM13=00000000000000000000000000000000 XMM14=00000000000000000000000000000000 XMM15=00000000000000000000000000000000 info registers vcpu 1 RAX=0000000000000001 RBX=ffff88806cf08c40 RCX=0000000000000002 RDX=0000000000000000 RSI=ffffffff8135e7a2 RDI=ffffffff85e1ffe0 RBP=ffff88806cf01000 RSP=ffff88806cf08858 R8 =0000000000000001 R9 =ffff88806cf08918 R10=000000000003c9ed R11=000000000002575e R12=ffff88806cf08901 R13=ffff88806cf08920 R14=ffff88806cf08c30 R15=ffff88806cf088d8 RIP=ffffffff81528ec6 RFL=00000002 [-------] 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 00007f7a0b6de900 00000000 00000000 GS =0000 ffff8880e548f000 00000000 00000000 LDT=0000 fffffe4f00000000 00000000 00000000 TR =0040 fffffe000004a000 00004087 00008b00 DPL=0 TSS64-busy GDT= fffffe0000048000 0000007f IDT= fffffe0000000000 00000fff CR0=80050033 CR2=00007ffe6bf76568 CR3=000000000df8e000 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=484e500811a3a7b3f642c42dce95abb9 XMM02=2c67c8bc2e329bc300000000003038a8 XMM03=375afdebbf381c810000000000310ea8 XMM04=3e55b35c38bdb56600000000000ae988 XMM05=1319e678c5640f8a0000000000320e60 XMM06=1c9d3f5f5a5fd6360000000000320dc8 XMM07=58f17c1affdc82d600000000003118d0 XMM08=406589be3f9c4b220000000000311738 XMM09=00000000000000000000000000000000 XMM10=00000000000000000000000000000000 XMM11=00000000000000000000000000000000 XMM12=00000000000000000000000000000000 XMM13=00000000000000000000000000000000 XMM14=00000000000000000000000000000000 XMM15=00000000000000000000000000000000