syzkaller login: [ 46.577223] ------------[ cut here ]------------ [ 46.578153] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 46.580236] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#0: sshd/232 [ 46.581691] Modules linked in: [ 46.582338] CPU: 0 UID: 104 PID: 232 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251117 #1 PREEMPT(voluntary) [ 46.584363] Tainted: [W]=WARN [ 46.584925] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 46.586426] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 46.587343] 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 [ 46.590552] RSP: 0018:ffff888017cd7bc0 EFLAGS: 00010286 [ 46.591543] RAX: 0000000000000000 RBX: ffffed1002f9af78 RCX: ffffffff813a4050 [ 46.592853] RDX: ffff88800ec5b780 RSI: ffffffff813a405e RDI: 0000000000000001 [ 46.594147] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed1002f9af2f [ 46.595447] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 46.596740] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff888017cd7df8 [ 46.598021] FS: 00007fd14f6cd900(0000) GS:ffff8880e538f000(0000) knlGS:0000000000000000 [ 46.599466] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 46.600545] CR2: 00007fd14fc334a6 CR3: 000000000bf80000 CR4: 0000000000350ef0 [ 46.601842] Call Trace: [ 46.602354] [ 46.602782] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 46.603692] ? __create_object+0x59/0x80 [ 46.604494] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 46.605486] __vmalloc_noprof+0x59/0x60 [ 46.606253] bpf_prog_alloc_no_stats+0x55/0x470 [ 46.607138] ? __pfx_seccomp_check_filter+0x10/0x10 [ 46.608040] bpf_prog_alloc+0x39/0x200 [ 46.608793] ? __pfx_seccomp_check_filter+0x10/0x10 [ 46.609725] bpf_prog_create_from_user+0xb2/0x2f0 [ 46.610648] do_seccomp+0x349/0x25e0 [ 46.611364] ? find_held_lock+0x2b/0x80 [ 46.612162] ? do_prlimit+0x310/0x610 [ 46.612871] ? __pfx_do_seccomp+0x10/0x10 [ 46.613670] ? do_raw_spin_unlock+0x53/0x220 [ 46.614508] ? _raw_spin_unlock+0x1e/0x40 [ 46.615296] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 46.616293] ? static_key_count+0x60/0x80 [ 46.617101] prctl_set_seccomp+0x4e/0x70 [ 46.617848] __do_sys_prctl+0xe6c/0x1d70 [ 46.618646] ? __pfx___do_sys_prctl+0x10/0x10 [ 46.619512] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 46.620507] ? irqentry_exit+0xf3/0x650 [ 46.621280] do_syscall_64+0xbf/0x430 [ 46.621995] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 46.622962] RIP: 0033:0x7fd14fbbf5cd [ 46.623688] 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 [ 46.626925] RSP: 002b:00007fff2932e160 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 46.628318] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007fd14fbbf5cd [ 46.629618] RDX: 000056141f803e00 RSI: 0000000000000002 RDI: 0000000000000016 [ 46.630910] RBP: 00007fff2932e1c0 R08: 0000000000000000 R09: 00007fff2932d860 [ 46.632217] R10: 0000000000000000 R11: 0000000000000246 R12: 0000561434660ad0 [ 46.633499] R13: 00007fff2932e5f0 R14: 0000561434661bc0 R15: 0000561434672780 [ 46.634802] [ 46.635284] irq event stamp: 1697 [ 46.635913] hardirqs last enabled at (1705): [] __up_console_sem+0x78/0x80 [ 46.637436] hardirqs last disabled at (1714): [] __up_console_sem+0x5d/0x80 [ 46.638971] softirqs last enabled at (1618): [] handle_softirqs+0x50c/0x770 [ 46.640565] softirqs last disabled at (1613): [] __irq_exit_rcu+0xc4/0x100 [ 46.642099] ---[ end trace 0000000000000000 ]--- [ 49.942347] ------------[ cut here ]------------ [ 49.943361] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 49.945622] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#0: sshd/239 [ 49.947241] Modules linked in: [ 49.947900] CPU: 0 UID: 104 PID: 239 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251117 #1 PREEMPT(voluntary) [ 49.950104] Tainted: [W]=WARN [ 49.950731] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 49.952374] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 49.953390] 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 [ 49.956962] RSP: 0018:ffff88801852fbc0 EFLAGS: 00010286 [ 49.958076] RAX: 0000000000000000 RBX: ffffed10030a5f78 RCX: ffffffff813a4050 [ 49.959520] RDX: ffff888019885340 RSI: ffffffff813a405e RDI: 0000000000000001 [ 49.960980] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed10030a5f2f [ 49.962437] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 49.963911] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff88801852fdf8 [ 49.965384] FS: 00007f760ef5c900(0000) GS:ffff8880e538f000(0000) knlGS:0000000000000000 [ 49.966993] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 49.968076] CR2: 00007ffda7b02ef7 CR3: 000000001fc71000 CR4: 0000000000350ef0 [ 49.969343] Call Trace: [ 49.969804] [ 49.970250] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 49.971144] ? __create_object+0x59/0x80 [ 49.971883] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 49.972836] __vmalloc_noprof+0x59/0x60 [ 49.973578] bpf_prog_alloc_no_stats+0x55/0x470 [ 49.974437] ? __pfx_seccomp_check_filter+0x10/0x10 [ 49.975376] bpf_prog_alloc+0x39/0x200 [ 49.976123] ? __pfx_seccomp_check_filter+0x10/0x10 [ 49.976997] bpf_prog_create_from_user+0xb2/0x2f0 [ 49.977912] do_seccomp+0x349/0x25e0 [ 49.978658] ? find_held_lock+0x2b/0x80 [ 49.979413] ? do_prlimit+0x310/0x610 [ 49.980165] ? __pfx_do_seccomp+0x10/0x10 [ 49.980907] ? do_raw_spin_unlock+0x53/0x220 [ 49.981725] ? _raw_spin_unlock+0x1e/0x40 [ 49.982491] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 49.983443] ? static_key_count+0x60/0x80 [ 49.984297] prctl_set_seccomp+0x4e/0x70 [ 49.985104] __do_sys_prctl+0xe6c/0x1d70 [ 49.985839] ? __pfx___do_sys_prctl+0x10/0x10 [ 49.986690] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 49.987653] ? irqentry_exit+0xf3/0x650 [ 49.988435] do_syscall_64+0xbf/0x430 [ 49.989184] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 49.990128] RIP: 0033:0x7f760f44e5cd [ 49.990780] 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 [ 49.993923] RSP: 002b:00007ffda7b01940 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 49.995294] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f760f44e5cd [ 49.996575] RDX: 00005638e323ce00 RSI: 0000000000000002 RDI: 0000000000000016 [ 49.997838] RBP: 00007ffda7b019a0 R08: 0000000000000000 R09: 00007ffda7b01040 [ 49.999102] R10: 0000000000000000 R11: 0000000000000246 R12: 00005638eb102240 [ 50.000374] R13: 00007ffda7b01dd0 R14: 00005638eb10b380 R15: 00005638eb116540 [ 50.001526] [ 50.001877] irq event stamp: 1797 [ 50.002416] hardirqs last enabled at (1807): [] __up_console_sem+0x78/0x80 [ 50.003678] hardirqs last disabled at (1816): [] __up_console_sem+0x5d/0x80 [ 50.004953] softirqs last enabled at (1736): [] handle_softirqs+0x50c/0x770 [ 50.006236] softirqs last disabled at (1731): [] __irq_exit_rcu+0xc4/0x100 [ 50.007492] ---[ end trace 0000000000000000 ]--- [ 50.802955] ------------[ cut here ]------------ [ 50.803740] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 50.805452] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#0: sshd/246 [ 50.806684] Modules linked in: [ 50.807211] CPU: 0 UID: 104 PID: 246 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251117 #1 PREEMPT(voluntary) [ 50.808888] Tainted: [W]=WARN [ 50.809391] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 50.810628] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 50.811402] 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 [ 50.814086] RSP: 0018:ffff88801492fbc0 EFLAGS: 00010286 [ 50.814865] RAX: 0000000000000000 RBX: ffffed1002925f78 RCX: ffffffff813a4050 [ 50.815953] RDX: ffff888019a8b780 RSI: ffffffff813a405e RDI: 0000000000000001 [ 50.817022] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed1002925f2f [ 50.818099] R10: 0000000000000000 R11: 0000000000000001 R12: 0000000000400dc0 [ 50.819177] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff88801492fdf8 [ 50.820279] FS: 00007f510c6eb900(0000) GS:ffff8880e538f000(0000) knlGS:0000000000000000 [ 50.821483] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 50.822376] CR2: 00007fff0728fef7 CR3: 000000000dcd7000 CR4: 0000000000350ef0 [ 50.823463] Call Trace: [ 50.823867] [ 50.824241] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 50.824956] ? __create_object+0x59/0x80 [ 50.825613] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 50.826418] __vmalloc_noprof+0x59/0x60 [ 50.827015] bpf_prog_alloc_no_stats+0x55/0x470 [ 50.827785] ? __pfx_seccomp_check_filter+0x10/0x10 [ 50.828582] bpf_prog_alloc+0x39/0x200 [ 50.829208] ? __pfx_seccomp_check_filter+0x10/0x10 [ 50.829949] bpf_prog_create_from_user+0xb2/0x2f0 [ 50.830709] do_seccomp+0x349/0x25e0 [ 50.831318] ? find_held_lock+0x2b/0x80 [ 50.831932] ? do_prlimit+0x310/0x610 [ 50.832557] ? __pfx_do_seccomp+0x10/0x10 [ 50.833212] ? do_raw_spin_unlock+0x53/0x220 [ 50.833867] ? _raw_spin_unlock+0x1e/0x40 [ 50.834516] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 50.835331] ? static_key_count+0x60/0x80 [ 50.835970] prctl_set_seccomp+0x4e/0x70 [ 50.836617] __do_sys_prctl+0xe6c/0x1d70 [ 50.837275] ? __pfx___do_sys_prctl+0x10/0x10 [ 50.837952] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 50.838767] ? irqentry_exit+0xf3/0x650 [ 50.839402] do_syscall_64+0xbf/0x430 [ 50.839989] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 50.840782] RIP: 0033:0x7f510cbdd5cd [ 50.841363] 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 [ 50.844073] RSP: 002b:00007fff0728ee70 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 50.845226] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f510cbdd5cd [ 50.846305] RDX: 000055fe92b62e00 RSI: 0000000000000002 RDI: 0000000000000016 [ 50.847375] RBP: 00007fff0728eed0 R08: 0000000000000000 R09: 00007fff0728e570 [ 50.848454] R10: 0000000000000000 R11: 0000000000000246 R12: 000055feb7688ad0 [ 50.849511] R13: 00007fff0728f300 R14: 000055feb7689bc0 R15: 000055feb769a780 [ 50.850592] [ 50.850951] irq event stamp: 1671 [ 50.851524] hardirqs last enabled at (1689): [] __up_console_sem+0x78/0x80 [ 50.852810] hardirqs last disabled at (1698): [] __up_console_sem+0x5d/0x80 [ 50.854091] softirqs last enabled at (1686): [] handle_softirqs+0x50c/0x770 [ 50.855379] softirqs last disabled at (1679): [] __irq_exit_rcu+0xc4/0x100 [ 50.856655] ---[ end trace 0000000000000000 ]--- Warning: Permanently added '[localhost]:54194' (ECDSA) to the list of known hosts. 2025/11/18 03:42:45 fuzzer started 2025/11/18 03:42:45 dialing manager at localhost:37895 2025/11/18 03:42:45 checking machine... 2025/11/18 03:42:45 checking revisions... [ 51.767836] kmemleak: Automatic memory scanning thread ended 2025/11/18 03:42:45 testing simple program... [ 51.868139] cgroup: Unknown subsys name 'net' [ 51.924963] cgroup: Unknown subsys name 'cpuset' [ 51.944508] cgroup: Unknown subsys name 'rlimit' executing program executing program VM DIAGNOSIS: 03:42:44 Registers: info registers vcpu 0 RAX=0000000000000000 RBX=ffff888019ccfb88 RCX=ffff888019ccfa14 RDX=0000000000000000 RSI=ffffffff81b6283d RDI=ffff888019ccfb94 RBP=0000000000000000 RSP=ffff888019ccfaa0 R8 =0000000000000001 R9 =ffff888019ccfb00 R10=000000000003c9ed R11=000000000002672d R12=ffff888019ccfb88 R13=0000000000000000 R14=ffff888019883780 R15=0000000000000cc0 RIP=ffffffff81619094 RFL=00000246 [---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 00007f760ef5c900 00000000 00000000 GS =0000 ffff8880e538f000 00000000 00000000 LDT=0000 fffffe4400000000 00000000 00000000 TR =0040 fffffe0000003000 00004087 00008b00 DPL=0 TSS64-busy GDT= fffffe0000001000 0000007f IDT= fffffe0000000000 00000fff CR0=80050033 CR2=00007ffda7afb000 CR3=000000001fc34000 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=635f6e6f69737365733a4d41503d706f XMM01=6f6c5f6d61702c78756e696c65735f6d XMM02=61702c74696d7265705f6d61702c7469 XMM03=655f6d61702c7374696d696c5f6d6170 XMM04=3d6c616e696d72657420322e322e302e XMM05=3d656d616e74736f682022646873732f XMM06=746f6f72223d746363612078756e696c XMM07=6e655f6d61702c7374696d696c5f6d61 XMM08=652075253d64692073253d706f000000 XMM09=00000000000000000000000000000000 XMM10=00000000000000000000000000000000 XMM11=00000000000000000000000000000000 XMM12=00000000000000000000000000000000 XMM13=00000000000000000000000000000000 XMM14=00000000000000000000000000000000 XMM15=00000000000000000000000000000000 info registers vcpu 1 RAX=000000000002a74b 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 fffffe5800000000 00000000 00000000 TR =0040 fffffe000004a000 00004087 00008b00 DPL=0 TSS64-busy GDT= fffffe0000048000 0000007f IDT= fffffe0000000000 00000fff CR0=80050033 CR2=00007f0b95565000 CR3=00000000168d9000 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=63e871794219188d4240130cc91edd63 XMM02=0000000000302fd0ec2efd57dc4c00df XMM03=000000000030fd50697fa1ab472982bd XMM04=6747dc240bd94dd400000000000ae988 XMM05=0b39c798a71319b6000000000031f040 XMM06=8fede82a5ad58cbe000000000031eec8 XMM07=e042d86d42eb936e0000000000310790 XMM08=697fa1ab472982bd0000000000303030 XMM09=00000000000000000000000000000000 XMM10=00000000000000000000000000000000 XMM11=00000000000000000000000000000000 XMM12=00000000000000000000000000000000 XMM13=00000000000000000000000000000000 XMM14=00000000000000000000000000000000 XMM15=00000000000000000000000000000000