syzkaller login: [ 39.240038] ------------[ cut here ]------------ [ 39.240882] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 39.243013] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#1: sshd/232 [ 39.244393] Modules linked in: [ 39.245030] CPU: 1 UID: 104 PID: 232 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251118 #1 PREEMPT(voluntary) [ 39.246948] Tainted: [W]=WARN [ 39.247483] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 39.248932] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 39.249760] 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 [ 39.252809] RSP: 0018:ffff888014f57bc0 EFLAGS: 00010286 [ 39.253762] RAX: 0000000000000000 RBX: ffffed10029eaf78 RCX: ffffffff813a4050 [ 39.255007] RDX: ffff88801096d340 RSI: ffffffff813a405e RDI: 0000000000000001 [ 39.256299] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed10029eaf2f [ 39.257567] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 39.258797] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff888014f57df8 [ 39.260041] FS: 00007f2641724900(0000) GS:ffff8880e548f000(0000) knlGS:0000000000000000 [ 39.261446] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 39.262475] CR2: 00007f2641c16580 CR3: 000000000dd44000 CR4: 0000000000350ef0 [ 39.263730] Call Trace: [ 39.264210] [ 39.264617] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 39.265493] ? __create_object+0x59/0x80 [ 39.266258] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 39.267198] __vmalloc_noprof+0x59/0x60 [ 39.267893] bpf_prog_alloc_no_stats+0x55/0x470 [ 39.268755] ? __pfx_seccomp_check_filter+0x10/0x10 [ 39.269670] bpf_prog_alloc+0x39/0x200 [ 39.270378] ? __pfx_seccomp_check_filter+0x10/0x10 [ 39.271274] bpf_prog_create_from_user+0xb2/0x2f0 [ 39.272165] do_seccomp+0x349/0x25e0 [ 39.272832] ? __pfx_css_rstat_updated+0x10/0x10 [ 39.273712] ? __pfx_do_seccomp+0x10/0x10 [ 39.274460] ? find_held_lock+0x2b/0x80 [ 39.275194] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 39.276121] ? static_key_count+0x60/0x80 [ 39.276861] prctl_set_seccomp+0x4e/0x70 [ 39.277619] __do_sys_prctl+0xe6c/0x1d70 [ 39.278370] ? __pfx___do_sys_prctl+0x10/0x10 [ 39.279193] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 39.280133] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 39.281086] ? irqentry_exit+0xf3/0x650 [ 39.281778] do_syscall_64+0xbf/0x430 [ 39.282497] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 39.283414] RIP: 0033:0x7f2641c165cd [ 39.284100] 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 [ 39.287172] RSP: 002b:00007ffcba76c120 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 39.288470] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f2641c165cd [ 39.289751] RDX: 0000558623ad0e00 RSI: 0000000000000002 RDI: 0000000000000016 [ 39.290993] RBP: 00007ffcba76c180 R08: 0000000000000000 R09: 00007ffcba76b820 [ 39.292242] R10: 0000000000000000 R11: 0000000000000246 R12: 000055863527dad0 [ 39.293515] R13: 00007ffcba76c5b0 R14: 000055863527ebc0 R15: 000055863528f780 [ 39.294788] [ 39.295253] irq event stamp: 1735 [ 39.295840] hardirqs last enabled at (1743): [] __up_console_sem+0x78/0x80 [ 39.297332] hardirqs last disabled at (1758): [] __up_console_sem+0x5d/0x80 [ 39.298797] softirqs last enabled at (1756): [] handle_softirqs+0x50c/0x770 [ 39.300284] softirqs last disabled at (1751): [] __irq_exit_rcu+0xc4/0x100 [ 39.301758] ---[ end trace 0000000000000000 ]--- [ 42.293809] ------------[ cut here ]------------ [ 42.294717] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 42.296733] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#0: sshd/243 [ 42.298192] Modules linked in: [ 42.298773] CPU: 0 UID: 104 PID: 243 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251118 #1 PREEMPT(voluntary) [ 42.301017] Tainted: [W]=WARN [ 42.301578] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 42.303103] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 42.304029] 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 [ 42.307173] RSP: 0018:ffff888016c7fbc0 EFLAGS: 00010286 [ 42.308154] RAX: 0000000000000000 RBX: ffffed1002d8ff78 RCX: ffffffff813a4050 [ 42.309429] RDX: ffff888016bcb780 RSI: ffffffff813a405e RDI: 0000000000000001 [ 42.310714] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed1002d8ff2f [ 42.311985] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 42.313267] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff888016c7fdf8 [ 42.314545] FS: 00007f7dcccfc900(0000) GS:ffff8880e538f000(0000) knlGS:0000000000000000 [ 42.315966] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 42.317051] CR2: 00007ffc65cdaef7 CR3: 000000002073c000 CR4: 0000000000350ef0 [ 42.318325] Call Trace: [ 42.318789] [ 42.319227] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 42.320118] ? __create_object+0x59/0x80 [ 42.320857] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 42.321820] __vmalloc_noprof+0x59/0x60 [ 42.322563] bpf_prog_alloc_no_stats+0x55/0x470 [ 42.323427] ? __pfx_seccomp_check_filter+0x10/0x10 [ 42.324368] bpf_prog_alloc+0x39/0x200 [ 42.325116] ? __pfx_seccomp_check_filter+0x10/0x10 [ 42.326026] bpf_prog_create_from_user+0xb2/0x2f0 [ 42.326875] do_seccomp+0x349/0x25e0 [ 42.327586] ? find_held_lock+0x2b/0x80 [ 42.328803] ? do_prlimit+0x310/0x610 [ 42.329564] ? __pfx_do_seccomp+0x10/0x10 [ 42.330345] ? do_raw_spin_unlock+0x53/0x220 [ 42.331163] ? _raw_spin_unlock+0x1e/0x40 [ 42.331886] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 42.332851] ? static_key_count+0x60/0x80 [ 42.333639] prctl_set_seccomp+0x4e/0x70 [ 42.334403] __do_sys_prctl+0xe6c/0x1d70 [ 42.335173] ? __pfx___do_sys_prctl+0x10/0x10 [ 42.336035] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 42.337012] ? irqentry_exit+0xf3/0x650 [ 42.337731] do_syscall_64+0xbf/0x430 [ 42.338458] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 42.339394] RIP: 0033:0x7f7dcd1ee5cd [ 42.340099] 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 [ 42.343277] RSP: 002b:00007ffc65cd89c0 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 42.344667] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f7dcd1ee5cd [ 42.345957] RDX: 000055d8748ffe00 RSI: 0000000000000002 RDI: 0000000000000016 [ 42.347238] RBP: 00007ffc65cd8a20 R08: 0000000000000000 R09: 00007ffc65cd80c0 [ 42.348519] R10: 0000000000000000 R11: 0000000000000246 R12: 000055d89fbc3bf0 [ 42.349798] R13: 00007ffc65cd8e50 R14: 000055d89fbcd380 R15: 000055d89fbd8460 [ 42.351092] [ 42.351516] irq event stamp: 1793 [ 42.352159] hardirqs last enabled at (1803): [] __up_console_sem+0x78/0x80 [ 42.353711] hardirqs last disabled at (1812): [] __up_console_sem+0x5d/0x80 [ 42.355216] softirqs last enabled at (1782): [] handle_softirqs+0x50c/0x770 [ 42.356800] softirqs last disabled at (1777): [] __irq_exit_rcu+0xc4/0x100 [ 42.357950] ---[ end trace 0000000000000000 ]--- [ 43.042007] ------------[ cut here ]------------ [ 43.042888] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 43.045024] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#1: sshd/250 [ 43.046473] Modules linked in: [ 43.047098] CPU: 1 UID: 104 PID: 250 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251118 #1 PREEMPT(voluntary) [ 43.049086] Tainted: [W]=WARN [ 43.049639] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 43.051084] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 43.051985] 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 [ 43.055196] RSP: 0018:ffff88801a1efbc0 EFLAGS: 00010286 [ 43.056194] RAX: 0000000000000000 RBX: ffffed100343df78 RCX: ffffffff813a4050 [ 43.057486] RDX: ffff888014ded340 RSI: ffffffff813a405e RDI: 0000000000000001 [ 43.058755] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed100343df2f [ 43.060033] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 43.061319] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff88801a1efdf8 [ 43.062601] FS: 00007f7d3c60a900(0000) GS:ffff8880e548f000(0000) knlGS:0000000000000000 [ 43.064064] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 43.065160] CR2: 00007f7d3cb704a6 CR3: 00000000208e2000 CR4: 0000000000350ef0 [ 43.066473] Call Trace: [ 43.066990] [ 43.067411] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 43.068326] ? __create_object+0x59/0x80 [ 43.069145] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 43.070135] __vmalloc_noprof+0x59/0x60 [ 43.070865] bpf_prog_alloc_no_stats+0x55/0x470 [ 43.071757] ? __pfx_seccomp_check_filter+0x10/0x10 [ 43.072724] bpf_prog_alloc+0x39/0x200 [ 43.073477] ? __pfx_seccomp_check_filter+0x10/0x10 [ 43.074429] bpf_prog_create_from_user+0xb2/0x2f0 [ 43.075358] do_seccomp+0x349/0x25e0 [ 43.076090] ? find_held_lock+0x2b/0x80 [ 43.076841] ? do_prlimit+0x310/0x610 [ 43.077608] ? __pfx_do_seccomp+0x10/0x10 [ 43.078415] ? do_raw_spin_unlock+0x53/0x220 [ 43.079278] ? _raw_spin_unlock+0x1e/0x40 [ 43.080081] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 43.081103] ? static_key_count+0x60/0x80 [ 43.081887] prctl_set_seccomp+0x4e/0x70 [ 43.082692] __do_sys_prctl+0xe6c/0x1d70 [ 43.083498] ? __pfx___do_sys_prctl+0x10/0x10 [ 43.084383] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 43.085395] ? irqentry_exit+0xf3/0x650 [ 43.086190] do_syscall_64+0xbf/0x430 [ 43.086949] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 43.087903] RIP: 0033:0x7f7d3cafc5cd [ 43.088649] 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 [ 43.091969] RSP: 002b:00007ffee65c60d0 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 43.093412] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f7d3cafc5cd [ 43.094752] RDX: 000055eb76839e00 RSI: 0000000000000002 RDI: 0000000000000016 [ 43.096121] RBP: 00007ffee65c6130 R08: 0000000000000000 R09: 00007ffee65c57d0 [ 43.097489] R10: 0000000000000000 R11: 0000000000000246 R12: 000055ebaa93e2b0 [ 43.098831] R13: 00007ffee65c6560 R14: 000055ebaa940d20 R15: 000055ebaa9528d0 [ 43.100197] [ 43.100651] irq event stamp: 1711 [ 43.101342] hardirqs last enabled at (1721): [] __up_console_sem+0x78/0x80 [ 43.102967] hardirqs last disabled at (1736): [] __up_console_sem+0x5d/0x80 [ 43.104595] softirqs last enabled at (1734): [] handle_softirqs+0x50c/0x770 [ 43.106041] softirqs last disabled at (1729): [] __irq_exit_rcu+0xc4/0x100 [ 43.107442] ---[ end trace 0000000000000000 ]--- Warning: Permanently added '[localhost]:6814' (ECDSA) to the list of known hosts. 2025/11/18 09:32:29 fuzzer started 2025/11/18 09:32:29 dialing manager at localhost:34383 2025/11/18 09:32:30 checking machine... 2025/11/18 09:32:30 checking revisions... [ 43.811464] kmemleak: Automatic memory scanning thread ended 2025/11/18 09:32:30 testing simple program... [ 43.909605] cgroup: Unknown subsys name 'net' [ 43.989580] cgroup: Unknown subsys name 'cpuset' [ 44.007507] cgroup: Unknown subsys name 'rlimit' executing program executing program executing program VM DIAGNOSIS: 09:32:29 Registers: info registers vcpu 0 RAX=0000000000000000 RBX=ffff888016698000 RCX=0000000000000024 RDX=ffff88800f3a5340 RSI=ffffffff83ccbfff RDI=ffff8880208a4640 RBP=ffff8880208a4640 RSP=ffff8880170d7b90 R8 =0000000000000001 R9 =0000000000000001 R10=0000000000000024 R11=0000000000000001 R12=0000000000000024 R13=0000000000000000 R14=ffff8880170d7d80 R15=0000000000000024 RIP=ffffffff81751e04 RFL=00000293 [--S-A-C] 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 00007f7dcccfc900 00000000 00000000 GS =0000 ffff8880e538f000 00000000 00000000 LDT=0000 fffffe3d00000000 00000000 00000000 TR =0040 fffffe0000003000 00004087 00008b00 DPL=0 TSS64-busy GDT= fffffe0000001000 0000007f IDT= fffffe0000000000 00000fff CR0=80050033 CR2=00007ffc65cd2000 CR3=0000000020786000 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=000000000001eaa3 RBX=0000000000000001 RCX=ffffffff84c72d57 RDX=0000000000000000 RSI=0000000000000000 RDI=ffffffff814d2c90 RBP=dffffc0000000000 RSP=ffff8880096efe58 R8 =0000000000000001 R9 =ffffed100d9e639a R10=ffff88806cf31cd3 R11=0000000000000001 R12=ffffffff8664f850 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 fffffe4c00000000 00000000 00000000 TR =0040 fffffe000004a000 00004087 00008b00 DPL=0 TSS64-busy GDT= fffffe0000048000 0000007f IDT= fffffe0000000000 00000fff CR0=80050033 CR2=000056024c282000 CR3=0000000015dc2000 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=2039323a32333a393020383120766f4e XMM01=73732878696e755f6d6170203a5d3234 XMM02=65736f6c63206e6f6973736573203a29 XMM03=755f6d6170203a5d3234325b64687373 XMM04=69662068637573206f4e203a656c6163 XMM05=3a656c696620766e65206e65706f206f XMM06=65733a6468737328766e655f6d617020 XMM07=6b7a79732038323a32333a3930203831 XMM08=30343d7974696c696261706163202279 XMM09=00000000000000000000000000000000 XMM10=00000000000000000000000000000000 XMM11=00000000000000000000000000000000 XMM12=00000000000000000000000000000000 XMM13=00000000000000000000000000000000 XMM14=00000000000000000000000000000000 XMM15=00000000000000000000000000000000