syzkaller login: [ 45.378159] ------------[ cut here ]------------ [ 45.379129] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 45.381174] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#0: sshd/232 [ 45.382713] Modules linked in: [ 45.383357] CPU: 0 UID: 104 PID: 232 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251117 #1 PREEMPT(voluntary) [ 45.385371] Tainted: [W]=WARN [ 45.385979] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 45.387488] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 45.388413] 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 [ 45.391615] RSP: 0018:ffff888017937bc0 EFLAGS: 00010286 [ 45.392608] RAX: 0000000000000000 RBX: ffffed1002f26f78 RCX: ffffffff813a4050 [ 45.393919] RDX: ffff888016b68000 RSI: ffffffff813a405e RDI: 0000000000000001 [ 45.395230] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed1002f26f2f [ 45.396533] R10: 0000000000000000 R11: 0000000000000001 R12: 0000000000400dc0 [ 45.397812] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff888017937df8 [ 45.399113] FS: 00007efedac1d900(0000) GS:ffff8880e538f000(0000) knlGS:0000000000000000 [ 45.400575] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 45.401676] CR2: 00007fffc1868ef7 CR3: 0000000013e6a000 CR4: 0000000000350ef0 [ 45.403001] Call Trace: [ 45.403473] [ 45.403934] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 45.404844] ? __create_object+0x59/0x80 [ 45.405582] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 45.406576] __vmalloc_noprof+0x59/0x60 [ 45.407344] bpf_prog_alloc_no_stats+0x55/0x470 [ 45.408239] ? __pfx_seccomp_check_filter+0x10/0x10 [ 45.409178] bpf_prog_alloc+0x39/0x200 [ 45.409924] ? __pfx_seccomp_check_filter+0x10/0x10 [ 45.410879] bpf_prog_create_from_user+0xb2/0x2f0 [ 45.411814] do_seccomp+0x349/0x25e0 [ 45.412499] ? find_held_lock+0x2b/0x80 [ 45.413268] ? do_prlimit+0x310/0x610 [ 45.414025] ? __pfx_do_seccomp+0x10/0x10 [ 45.414825] ? do_raw_spin_unlock+0x53/0x220 [ 45.415620] ? _raw_spin_unlock+0x1e/0x40 [ 45.416413] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 45.417384] ? static_key_count+0x60/0x80 [ 45.418208] prctl_set_seccomp+0x4e/0x70 [ 45.419001] __do_sys_prctl+0xe6c/0x1d70 [ 45.419803] ? __pfx___do_sys_prctl+0x10/0x10 [ 45.420622] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 45.421605] ? irqentry_exit+0xf3/0x650 [ 45.422388] do_syscall_64+0xbf/0x430 [ 45.423148] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 45.424111] RIP: 0033:0x7efedb10f5cd [ 45.424831] 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 [ 45.428036] RSP: 002b:00007fffc1867560 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 45.429405] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007efedb10f5cd [ 45.430734] RDX: 0000557999917e00 RSI: 0000000000000002 RDI: 0000000000000016 [ 45.432048] RBP: 00007fffc18675c0 R08: 0000000000000000 R09: 00007fffc1866c60 [ 45.433343] R10: 0000000000000000 R11: 0000000000000246 R12: 00005579cdb22ad0 [ 45.434642] R13: 00007fffc18679f0 R14: 00005579cdb23bc0 R15: 00005579cdb34780 [ 45.435940] [ 45.436363] irq event stamp: 1791 [ 45.437010] hardirqs last enabled at (1801): [] __up_console_sem+0x78/0x80 [ 45.438563] hardirqs last disabled at (1810): [] __up_console_sem+0x5d/0x80 [ 45.440093] softirqs last enabled at (1682): [] handle_softirqs+0x50c/0x770 [ 45.441646] softirqs last disabled at (1677): [] __irq_exit_rcu+0xc4/0x100 [ 45.443202] ---[ end trace 0000000000000000 ]--- [ 48.246935] ------------[ cut here ]------------ [ 48.247869] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 48.249908] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#0: sshd/243 [ 48.251347] Modules linked in: [ 48.251964] CPU: 0 UID: 104 PID: 243 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251117 #1 PREEMPT(voluntary) [ 48.253918] Tainted: [W]=WARN [ 48.254715] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 48.256197] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 48.257092] 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 [ 48.260281] RSP: 0018:ffff888016987bc0 EFLAGS: 00010286 [ 48.261235] RAX: 0000000000000000 RBX: ffffed1002d30f78 RCX: ffffffff813a4050 [ 48.262489] RDX: ffff8880169fb780 RSI: ffffffff813a405e RDI: 0000000000000001 [ 48.263766] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed1002d30f2f [ 48.265024] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 48.266283] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff888016987df8 [ 48.267539] FS: 00007f127deb5900(0000) GS:ffff8880e538f000(0000) knlGS:0000000000000000 [ 48.268966] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 48.270025] CR2: 00007f127e3a7580 CR3: 000000002137a000 CR4: 0000000000350ef0 [ 48.271291] Call Trace: [ 48.271805] [ 48.272216] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 48.273117] ? __create_object+0x59/0x80 [ 48.273881] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 48.274881] __vmalloc_noprof+0x59/0x60 [ 48.275664] bpf_prog_alloc_no_stats+0x55/0x470 [ 48.276512] ? __pfx_seccomp_check_filter+0x10/0x10 [ 48.277449] bpf_prog_alloc+0x39/0x200 [ 48.278188] ? __pfx_seccomp_check_filter+0x10/0x10 [ 48.279121] bpf_prog_create_from_user+0xb2/0x2f0 [ 48.280074] do_seccomp+0x349/0x25e0 [ 48.280790] ? __pfx_css_rstat_updated+0x10/0x10 [ 48.281644] ? __pfx_do_seccomp+0x10/0x10 [ 48.282457] ? find_held_lock+0x2b/0x80 [ 48.283222] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 48.283818] ? static_key_count+0x60/0x80 [ 48.284377] prctl_set_seccomp+0x4e/0x70 [ 48.284971] __do_sys_prctl+0xe6c/0x1d70 [ 48.285324] ? __pfx___do_sys_prctl+0x10/0x10 [ 48.285685] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 48.286124] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 48.286537] ? irqentry_exit+0xf3/0x650 [ 48.286876] do_syscall_64+0xbf/0x430 [ 48.287186] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 48.287588] RIP: 0033:0x7f127e3a75cd [ 48.287895] 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 [ 48.289302] RSP: 002b:00007ffe52e7f3a0 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 48.289904] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f127e3a75cd [ 48.290463] RDX: 0000562ac154fe00 RSI: 0000000000000002 RDI: 0000000000000016 [ 48.291027] RBP: 00007ffe52e7f400 R08: 0000000000000000 R09: 00007ffe52e7eaa0 [ 48.291577] R10: 0000000000000000 R11: 0000000000000246 R12: 0000562af43af2b0 [ 48.292150] R13: 00007ffe52e7f830 R14: 0000562af43b1d20 R15: 0000562af43c38d0 [ 48.292707] [ 48.292910] irq event stamp: 1723 [ 48.293181] hardirqs last enabled at (1731): [] __up_console_sem+0x78/0x80 [ 48.293854] hardirqs last disabled at (1740): [] __up_console_sem+0x5d/0x80 [ 48.294531] softirqs last enabled at (1502): [] handle_softirqs+0x50c/0x770 [ 48.295356] softirqs last disabled at (1489): [] __irq_exit_rcu+0xc4/0x100 [ 48.296070] ---[ end trace 0000000000000000 ]--- [ 49.011317] ------------[ cut here ]------------ [ 49.012258] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 49.014374] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#1: sshd/250 [ 49.016125] Modules linked in: [ 49.016721] CPU: 1 UID: 104 PID: 250 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251117 #1 PREEMPT(voluntary) [ 49.018938] Tainted: [W]=WARN [ 49.019504] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 49.021002] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 49.021930] 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 [ 49.025150] RSP: 0018:ffff88801bfefbc0 EFLAGS: 00010286 [ 49.026172] RAX: 0000000000000000 RBX: ffffed10037fdf78 RCX: ffffffff813a4050 [ 49.027484] RDX: ffff888017b40000 RSI: ffffffff813a405e RDI: 0000000000000001 [ 49.028782] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed10037fdf2f [ 49.030102] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 49.031413] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff88801bfefdf8 [ 49.032728] FS: 00007fcd4f4bd900(0000) GS:ffff8880e548f000(0000) knlGS:0000000000000000 [ 49.034221] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 49.035295] CR2: 00007ffdd3d4eef7 CR3: 000000000b7d2000 CR4: 0000000000350ef0 [ 49.036612] Call Trace: [ 49.037123] [ 49.037544] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 49.038483] ? __create_object+0x59/0x80 [ 49.039272] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 49.040257] __vmalloc_noprof+0x59/0x60 [ 49.041021] bpf_prog_alloc_no_stats+0x55/0x470 [ 49.041918] ? __pfx_seccomp_check_filter+0x10/0x10 [ 49.042873] bpf_prog_alloc+0x39/0x200 [ 49.043573] ? __pfx_seccomp_check_filter+0x10/0x10 [ 49.044499] bpf_prog_create_from_user+0xb2/0x2f0 [ 49.045400] do_seccomp+0x349/0x25e0 [ 49.046149] ? find_held_lock+0x2b/0x80 [ 49.046921] ? do_prlimit+0x310/0x610 [ 49.047631] ? __pfx_do_seccomp+0x10/0x10 [ 49.048413] ? do_raw_spin_unlock+0x53/0x220 [ 49.049267] ? _raw_spin_unlock+0x1e/0x40 [ 49.050068] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 49.051050] ? static_key_count+0x60/0x80 [ 49.051856] prctl_set_seccomp+0x4e/0x70 [ 49.052616] __do_sys_prctl+0xe6c/0x1d70 [ 49.053406] ? __pfx___do_sys_prctl+0x10/0x10 [ 49.054295] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 49.055282] ? irqentry_exit+0xf3/0x650 [ 49.056073] do_syscall_64+0xbf/0x430 [ 49.056820] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 49.057791] RIP: 0033:0x7fcd4f9af5cd [ 49.058488] 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 [ 49.061704] RSP: 002b:00007ffdd3d4d560 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 49.063108] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007fcd4f9af5cd [ 49.064405] RDX: 000055a906ee4e00 RSI: 0000000000000002 RDI: 0000000000000016 [ 49.065701] RBP: 00007ffdd3d4d5c0 R08: 0000000000000000 R09: 00007ffdd3d4cc60 [ 49.067018] R10: 0000000000000000 R11: 0000000000000246 R12: 000055a939e7fad0 [ 49.068325] R13: 00007ffdd3d4d9f0 R14: 000055a939e80bc0 R15: 000055a939e91780 [ 49.069641] [ 49.070138] irq event stamp: 2761 [ 49.070805] hardirqs last enabled at (2771): [] __up_console_sem+0x78/0x80 [ 49.072340] hardirqs last disabled at (2780): [] __up_console_sem+0x5d/0x80 [ 49.073886] softirqs last enabled at (2738): [] handle_softirqs+0x50c/0x770 [ 49.075347] softirqs last disabled at (2733): [] __irq_exit_rcu+0xc4/0x100 [ 49.076692] ---[ end trace 0000000000000000 ]--- Warning: Permanently added '[localhost]:40343' (ECDSA) to the list of known hosts. 2025/11/17 10:48:27 fuzzer started 2025/11/17 10:48:27 dialing manager at localhost:37895 2025/11/17 10:48:27 checking machine... 2025/11/17 10:48:27 checking revisions... [ 49.945595] kmemleak: Automatic memory scanning thread ended 2025/11/17 10:48:27 testing simple program... [ 50.035895] cgroup: Unknown subsys name 'net' [ 50.101182] cgroup: Unknown subsys name 'cpuset' [ 50.117152] cgroup: Unknown subsys name 'rlimit' executing program executing program executing program VM DIAGNOSIS: 10:48:26 Registers: info registers vcpu 0 RAX=0000000000000004 RBX=0000000000000003 RCX=0000000000000005 RDX=0000000000000000 RSI=ffffffff84bfbb9a RDI=0000000000000000 RBP=ffff88801c4e2c00 RSP=ffff88801bfa7768 R8 =00007f127dea1000 R9 =0000000000000000 R10=0000000000000003 R11=0000000000000001 R12=0000000000000005 R13=ffff88801bfa7bc8 R14=dffffc0000000000 R15=ffff88801bfa7bc0 RIP=ffffffff84bfbbb1 RFL=00000217 [----APC] 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 00007f127deb5900 00000000 00000000 GS =0000 ffff8880e538f000 00000000 00000000 LDT=0000 fffffe4500000000 00000000 00000000 TR =0040 fffffe0000003000 00004087 00008b00 DPL=0 TSS64-busy GDT= fffffe0000001000 0000007f IDT= fffffe0000000000 00000fff CR0=80050033 CR2=00007f127de64008 CR3=0000000021317000 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=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=000000000001e7fb 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 fffffe4000000000 00000000 00000000 TR =0040 fffffe000004a000 00004087 00008b00 DPL=0 TSS64-busy GDT= fffffe0000048000 0000007f IDT= fffffe0000000000 00000fff CR0=80050033 CR2=0000562af43f0000 CR3=000000000a20f000 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=79c0cb680ee6c6810649932ccf68bc1e XMM02=2c67c8bc2e329bc30000000000303fa8 XMM03=fb795ef6d6577056000000000030f440 XMM04=19d9aae641da871800000000000ae988 XMM05=090f1556b20111b3000000000031f4c8 XMM06=5b75c91c80445342000000000031f350 XMM07=e042d86d42eb936e000000000030f6c0 XMM08=bfdf890e71af7e4a0000000000304008 XMM09=00000000000000000000000000000000 XMM10=20200000000020202020202020200000 XMM11=00000000000000000000000000000000 XMM12=00000000000000000000000000000000 XMM13=00000000000000000000000000000000 XMM14=00000000000000000000000000000000 XMM15=00000000000000000000000000000000