syzkaller login: [ 46.068872] ------------[ cut here ]------------ [ 46.069825] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 46.071945] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#1: sshd/231 [ 46.073411] Modules linked in: [ 46.074306] CPU: 1 UID: 104 PID: 231 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251117 #1 PREEMPT(voluntary) [ 46.076363] Tainted: [W]=WARN [ 46.076968] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 46.078467] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 46.079390] 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 [ 46.082613] RSP: 0018:ffff8880168cfbc0 EFLAGS: 00010286 [ 46.083602] RAX: 0000000000000000 RBX: ffffed1002d19f78 RCX: ffffffff813a4050 [ 46.084893] RDX: ffff888017963780 RSI: ffffffff813a405e RDI: 0000000000000001 [ 46.086224] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed1002d19f2f [ 46.087525] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 46.088823] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff8880168cfdf8 [ 46.090147] FS: 00007fa2dbf44900(0000) GS:ffff8880e548f000(0000) knlGS:0000000000000000 [ 46.091592] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 46.092656] CR2: 00007fa2dc436580 CR3: 0000000009c87000 CR4: 0000000000350ef0 [ 46.093993] Call Trace: [ 46.094456] [ 46.094915] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 46.095807] ? __create_object+0x59/0x80 [ 46.096548] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 46.097558] __vmalloc_noprof+0x59/0x60 [ 46.098295] bpf_prog_alloc_no_stats+0x55/0x470 [ 46.099182] ? __pfx_seccomp_check_filter+0x10/0x10 [ 46.100127] bpf_prog_alloc+0x39/0x200 [ 46.100871] ? __pfx_seccomp_check_filter+0x10/0x10 [ 46.101846] bpf_prog_create_from_user+0xb2/0x2f0 [ 46.102768] do_seccomp+0x349/0x25e0 [ 46.103437] ? __pfx_css_rstat_updated+0x10/0x10 [ 46.104341] ? __pfx_do_seccomp+0x10/0x10 [ 46.105126] ? find_held_lock+0x2b/0x80 [ 46.105934] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 46.106911] ? static_key_count+0x60/0x80 [ 46.107723] prctl_set_seccomp+0x4e/0x70 [ 46.108459] __do_sys_prctl+0xe6c/0x1d70 [ 46.109238] ? __pfx___do_sys_prctl+0x10/0x10 [ 46.110139] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 46.111112] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 46.112084] ? irqentry_exit+0xf3/0x650 [ 46.112850] do_syscall_64+0xbf/0x430 [ 46.113578] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 46.114540] RIP: 0033:0x7fa2dc4365cd [ 46.115247] 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 [ 46.118480] RSP: 002b:00007ffecf26b0a0 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 46.119832] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007fa2dc4365cd [ 46.121108] RDX: 000055b2d697be00 RSI: 0000000000000002 RDI: 0000000000000016 [ 46.122437] RBP: 00007ffecf26b100 R08: 0000000000000000 R09: 00007ffecf26a7a0 [ 46.123726] R10: 0000000000000000 R11: 0000000000000246 R12: 000055b2f9ba7ad0 [ 46.125012] R13: 00007ffecf26b530 R14: 000055b2f9ba8bc0 R15: 000055b2f9bb9780 [ 46.126350] [ 46.126823] irq event stamp: 1785 [ 46.127436] hardirqs last enabled at (1793): [] __up_console_sem+0x78/0x80 [ 46.128963] hardirqs last disabled at (1802): [] __up_console_sem+0x5d/0x80 [ 46.130526] softirqs last enabled at (1752): [] handle_softirqs+0x50c/0x770 [ 46.132076] softirqs last disabled at (1747): [] __irq_exit_rcu+0xc4/0x100 [ 46.133627] ---[ end trace 0000000000000000 ]--- [ 49.193717] ------------[ cut here ]------------ [ 49.194602] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 49.196771] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#1: sshd/239 [ 49.198270] Modules linked in: [ 49.198896] CPU: 1 UID: 104 PID: 239 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251117 #1 PREEMPT(voluntary) [ 49.201116] Tainted: [W]=WARN [ 49.201831] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 49.203305] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 49.204220] 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 [ 49.207422] RSP: 0018:ffff8880185a7bc0 EFLAGS: 00010286 [ 49.208402] RAX: 0000000000000000 RBX: ffffed10030b4f78 RCX: ffffffff813a4050 [ 49.209727] RDX: ffff888018641bc0 RSI: ffffffff813a405e RDI: 0000000000000001 [ 49.211008] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed10030b4f2f [ 49.212285] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 49.213601] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff8880185a7df8 [ 49.214901] FS: 00007fe5de35e900(0000) GS:ffff8880e548f000(0000) knlGS:0000000000000000 [ 49.216335] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 49.217412] CR2: 00007ffd0c45aef8 CR3: 000000001eedd000 CR4: 0000000000350ef0 [ 49.218737] Call Trace: [ 49.219202] [ 49.219606] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 49.220519] ? __create_object+0x59/0x80 [ 49.221308] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 49.222329] __vmalloc_noprof+0x59/0x60 [ 49.223101] bpf_prog_alloc_no_stats+0x55/0x470 [ 49.223988] ? __pfx_seccomp_check_filter+0x10/0x10 [ 49.224928] bpf_prog_alloc+0x39/0x200 [ 49.225712] ? __pfx_seccomp_check_filter+0x10/0x10 [ 49.226604] bpf_prog_create_from_user+0xb2/0x2f0 [ 49.227496] do_seccomp+0x349/0x25e0 [ 49.228219] ? find_held_lock+0x2b/0x80 [ 49.228979] ? do_prlimit+0x310/0x610 [ 49.229756] ? __pfx_do_seccomp+0x10/0x10 [ 49.230502] ? do_raw_spin_unlock+0x53/0x220 [ 49.231350] ? _raw_spin_unlock+0x1e/0x40 [ 49.232158] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 49.233132] ? static_key_count+0x60/0x80 [ 49.234000] prctl_set_seccomp+0x4e/0x70 [ 49.234794] __do_sys_prctl+0xe6c/0x1d70 [ 49.235539] ? __pfx___do_sys_prctl+0x10/0x10 [ 49.236403] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 49.237390] ? irqentry_exit+0xf3/0x650 [ 49.238205] do_syscall_64+0xbf/0x430 [ 49.238946] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 49.239906] RIP: 0033:0x7fe5de8505cd [ 49.240574] 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 [ 49.243833] RSP: 002b:00007ffd0c459d50 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 49.245208] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007fe5de8505cd [ 49.246536] RDX: 000055e90a9dee00 RSI: 0000000000000002 RDI: 0000000000000016 [ 49.247855] RBP: 00007ffd0c459db0 R08: 0000000000000000 R09: 00007ffd0c459450 [ 49.249133] R10: 0000000000000000 R11: 0000000000000246 R12: 000055e940748ad0 [ 49.250451] R13: 00007ffd0c45a1e0 R14: 000055e940749bc0 R15: 000055e94075a780 [ 49.251778] [ 49.252209] irq event stamp: 2299 [ 49.252846] hardirqs last enabled at (2309): [] __up_console_sem+0x78/0x80 [ 49.254322] hardirqs last disabled at (2318): [] __up_console_sem+0x5d/0x80 [ 49.255613] softirqs last enabled at (2222): [] handle_softirqs+0x50c/0x770 [ 49.256915] softirqs last disabled at (2217): [] __irq_exit_rcu+0xc4/0x100 [ 49.258225] ---[ end trace 0000000000000000 ]--- [ 50.082599] ------------[ cut here ]------------ [ 50.083506] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 50.085544] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#1: sshd/246 [ 50.086998] Modules linked in: [ 50.087581] CPU: 1 UID: 104 PID: 246 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251117 #1 PREEMPT(voluntary) [ 50.089544] Tainted: [W]=WARN [ 50.090142] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 50.091569] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 50.092477] 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 [ 50.095622] RSP: 0018:ffff88801b85fbc0 EFLAGS: 00010286 [ 50.096572] RAX: 0000000000000000 RBX: ffffed100370bf78 RCX: ffffffff813a4050 [ 50.097880] RDX: ffff888017960000 RSI: ffffffff813a405e RDI: 0000000000000001 [ 50.099136] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed100370bf2f [ 50.100393] R10: 0000000000000000 R11: 0000000000000001 R12: 0000000000400dc0 [ 50.101703] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff88801b85fdf8 [ 50.102958] FS: 00007fc4d7011900(0000) GS:ffff8880e548f000(0000) knlGS:0000000000000000 [ 50.104368] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 50.105402] CR2: 00007fc4d7503580 CR3: 000000001b9ff000 CR4: 0000000000350ef0 [ 50.106703] Call Trace: [ 50.107153] [ 50.107553] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 50.108430] ? __create_object+0x59/0x80 [ 50.109192] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 50.110182] __vmalloc_noprof+0x59/0x60 [ 50.110939] bpf_prog_alloc_no_stats+0x55/0x470 [ 50.111792] ? __pfx_seccomp_check_filter+0x10/0x10 [ 50.112714] bpf_prog_alloc+0x39/0x200 [ 50.113396] ? __pfx_seccomp_check_filter+0x10/0x10 [ 50.114345] bpf_prog_create_from_user+0xb2/0x2f0 [ 50.115236] do_seccomp+0x349/0x25e0 [ 50.115949] ? __pfx_css_rstat_updated+0x10/0x10 [ 50.116835] ? __pfx_do_seccomp+0x10/0x10 [ 50.117600] ? find_held_lock+0x2b/0x80 [ 50.118349] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 50.119293] ? static_key_count+0x60/0x80 [ 50.120087] prctl_set_seccomp+0x4e/0x70 [ 50.120848] __do_sys_prctl+0xe6c/0x1d70 [ 50.121613] ? __pfx___do_sys_prctl+0x10/0x10 [ 50.122454] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 50.123409] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 50.124361] ? irqentry_exit+0xf3/0x650 [ 50.125113] do_syscall_64+0xbf/0x430 [ 50.125880] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 50.126813] RIP: 0033:0x7fc4d75035cd [ 50.127465] 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 [ 50.130602] RSP: 002b:00007fff8b1e08b0 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 50.131936] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007fc4d75035cd [ 50.133191] RDX: 0000556ded962e00 RSI: 0000000000000002 RDI: 0000000000000016 [ 50.134514] RBP: 00007fff8b1e0910 R08: 0000000000000000 R09: 00007fff8b1dffb0 [ 50.135760] R10: 0000000000000000 R11: 0000000000000246 R12: 0000556deeb7fbf0 [ 50.137016] R13: 00007fff8b1e0d40 R14: 0000556deeb89380 R15: 0000556deeb94460 [ 50.138334] [ 50.138783] irq event stamp: 1711 [ 50.139373] hardirqs last enabled at (1719): [] __up_console_sem+0x78/0x80 [ 50.140877] hardirqs last disabled at (1734): [] __up_console_sem+0x5d/0x80 [ 50.142409] softirqs last enabled at (1732): [] handle_softirqs+0x50c/0x770 [ 50.143920] softirqs last disabled at (1727): [] __irq_exit_rcu+0xc4/0x100 [ 50.145399] ---[ end trace 0000000000000000 ]--- Warning: Permanently added '[localhost]:18636' (ECDSA) to the list of known hosts. 2025/11/17 18:31:52 fuzzer started 2025/11/17 18:31:52 dialing manager at localhost:37895 2025/11/17 18:31:52 checking machine... 2025/11/17 18:31:52 checking revisions... [ 51.009493] kmemleak: Automatic memory scanning thread ended 2025/11/17 18:31:52 testing simple program... [ 51.118143] cgroup: Unknown subsys name 'net' [ 51.192435] cgroup: Unknown subsys name 'cpuset' [ 51.207420] cgroup: Unknown subsys name 'rlimit' executing program executing program executing program VM DIAGNOSIS: 18:31:51 Registers: info registers vcpu 0 RAX=0000000000000005 RBX=ffff888017305340 RCX=0000000000000001 RDX=0000000000000005 RSI=0000000000000000 RDI=ffffffff85e1ffe0 RBP=ffff888017305d98 RSP=ffff88806ce088e8 R8 =0000000000000000 R9 =0000000000000005 R10=0000000000000001 R11=0000000000000000 R12=ffff888017305e60 R13=0000000000000003 R14=0000000000000000 R15=0000000000000000 RIP=ffffffff8152712e 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 00007f0c823d6900 00000000 00000000 GS =0000 ffff8880e538f000 00000000 00000000 LDT=0000 fffffe2c00000000 00000000 00000000 TR =0040 fffffe0000003000 00004087 00008b00 DPL=0 TSS64-busy GDT= fffffe0000001000 0000007f IDT= fffffe0000000000 00000fff CR0=80050033 CR2=000055e94076d768 CR3=0000000009f37000 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=51a64dc7fdeb4d828643cb3986b3e8da XMM02=0000000000302ed0d59e07bde36eea69 XMM03=0000000000302ff8ec2efd57dc4c00df XMM04=11cae533ed02c58700000000000ae988 XMM05=1118633ecd87a2850000000000320550 XMM06=0b39c798a71319b6000000000031f098 XMM07=fb795ef6d6577056000000000030f258 XMM08=2c67c8bc2e329bc30000000000302ff8 XMM09=00000000000000000000000000000000 XMM10=00000000000000000000000000000000 XMM11=00000000000000000000000000000000 XMM12=00000000000000000000000000000000 XMM13=00000000000000000000000000000000 XMM14=00000000000000000000000000000000 XMM15=00000000000000000000000000000000 info registers vcpu 1 RAX=0000000000000005 RBX=ffff88801a8addc0 RCX=ffff88806cf089c4 RDX=0000000000000002 RSI=ffffffff85e1ffe0 RDI=ffff88801a8addc0 RBP=ffffffff85e1ffe0 RSP=ffff88806cf08970 R8 =ffffffff86ab82f2 R9 =ffff88806cf08ab0 R10=000000000003c9ed R11=00000000000255da R12=ffff88801a8addc0 R13=ffff88806cf089c4 R14=0000000000000002 R15=0000000000000002 RIP=ffffffff84c71f8a 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 00007fe5de35e900 00000000 00000000 GS =0000 ffff8880e548f000 00000000 00000000 LDT=0000 fffffe3300000000 00000000 00000000 TR =0040 fffffe000004a000 00004087 00008b00 DPL=0 TSS64-busy GDT= fffffe0000048000 0000007f IDT= fffffe0000000000 00000fff CR0=80050033 CR2=00007fe5de915618 CR3=000000001ef2e000 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