syzkaller login: [ 39.064406] ------------[ cut here ]------------ [ 39.065369] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 39.067421] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#1: sshd/232 [ 39.068886] Modules linked in: [ 39.069517] CPU: 1 UID: 104 PID: 232 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251117 #1 PREEMPT(voluntary) [ 39.071539] Tainted: [W]=WARN [ 39.072100] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 39.073587] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 39.074529] 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 [ 39.077741] RSP: 0018:ffff88800e1f7bc0 EFLAGS: 00010286 [ 39.078749] RAX: 0000000000000000 RBX: ffffed1001c3ef78 RCX: ffffffff813a4050 [ 39.080041] RDX: ffff888016249bc0 RSI: ffffffff813a405e RDI: 0000000000000001 [ 39.081350] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed1001c3ef2f [ 39.082659] R10: 0000000000000000 R11: 0000000000000001 R12: 0000000000400dc0 [ 39.083963] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff88800e1f7df8 [ 39.085256] FS: 00007fd7525ae900(0000) GS:ffff8880e548f000(0000) knlGS:0000000000000000 [ 39.086717] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 39.087804] CR2: 00007ffffaf34ef7 CR3: 000000001619e000 CR4: 0000000000350ef0 [ 39.089095] Call Trace: [ 39.089613] [ 39.090031] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 39.090967] ? __create_object+0x59/0x80 [ 39.091758] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 39.092743] __vmalloc_noprof+0x59/0x60 [ 39.093528] bpf_prog_alloc_no_stats+0x55/0x470 [ 39.094442] ? __pfx_seccomp_check_filter+0x10/0x10 [ 39.095395] bpf_prog_alloc+0x39/0x200 [ 39.096107] ? __pfx_seccomp_check_filter+0x10/0x10 [ 39.097053] bpf_prog_create_from_user+0xb2/0x2f0 [ 39.097961] do_seccomp+0x349/0x25e0 [ 39.098709] ? find_held_lock+0x2b/0x80 [ 39.099495] ? do_prlimit+0x310/0x610 [ 39.100221] ? __pfx_do_seccomp+0x10/0x10 [ 39.101023] ? do_raw_spin_unlock+0x53/0x220 [ 39.101933] ? _raw_spin_unlock+0x1e/0x40 [ 39.102748] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 39.103718] ? static_key_count+0x60/0x80 [ 39.104536] prctl_set_seccomp+0x4e/0x70 [ 39.105281] __do_sys_prctl+0xe6c/0x1d70 [ 39.106096] ? __pfx___do_sys_prctl+0x10/0x10 [ 39.106971] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 39.107952] ? irqentry_exit+0xf3/0x650 [ 39.108727] do_syscall_64+0xbf/0x430 [ 39.109482] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 39.110464] RIP: 0033:0x7fd752aa05cd [ 39.111139] 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 [ 39.114371] RSP: 002b:00007ffffaf337e0 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 39.115764] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007fd752aa05cd [ 39.117064] RDX: 000056208f6d5e00 RSI: 0000000000000002 RDI: 0000000000000016 [ 39.118361] RBP: 00007ffffaf33840 R08: 0000000000000000 R09: 00007ffffaf32ee0 [ 39.119695] R10: 0000000000000000 R11: 0000000000000246 R12: 00005620a174fad0 [ 39.121002] R13: 00007ffffaf33c70 R14: 00005620a1750bc0 R15: 00005620a1761780 [ 39.122344] [ 39.122781] irq event stamp: 1781 [ 39.123446] hardirqs last enabled at (1791): [] __up_console_sem+0x78/0x80 [ 39.125000] hardirqs last disabled at (1800): [] __up_console_sem+0x5d/0x80 [ 39.126547] softirqs last enabled at (1586): [] handle_softirqs+0x50c/0x770 [ 39.128103] softirqs last disabled at (1575): [] __irq_exit_rcu+0xc4/0x100 [ 39.129646] ---[ end trace 0000000000000000 ]--- [ 42.047878] ------------[ cut here ]------------ [ 42.048797] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 42.050821] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#1: sshd/241 [ 42.052245] Modules linked in: [ 42.052864] CPU: 1 UID: 104 PID: 241 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251117 #1 PREEMPT(voluntary) [ 42.055061] Tainted: [W]=WARN [ 42.055714] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 42.057161] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 42.058063] 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 [ 42.061193] RSP: 0018:ffff88801509fbc0 EFLAGS: 00010286 [ 42.062167] RAX: 0000000000000000 RBX: ffffed1002a13f78 RCX: ffffffff813a4050 [ 42.063458] RDX: ffff888016cd0000 RSI: ffffffff813a405e RDI: 0000000000000001 [ 42.064718] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed1002a13f2f [ 42.065966] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 42.067226] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff88801509fdf8 [ 42.068493] FS: 00007faa4d582900(0000) GS:ffff8880e548f000(0000) knlGS:0000000000000000 [ 42.069899] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 42.070961] CR2: 00007faa4da74580 CR3: 000000001fa06000 CR4: 0000000000350ef0 [ 42.072212] Call Trace: [ 42.072714] [ 42.073120] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 42.074010] ? __create_object+0x59/0x80 [ 42.074791] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 42.075744] __vmalloc_noprof+0x59/0x60 [ 42.076493] bpf_prog_alloc_no_stats+0x55/0x470 [ 42.077301] ? __pfx_seccomp_check_filter+0x10/0x10 [ 42.078220] bpf_prog_alloc+0x39/0x200 [ 42.079060] ? __pfx_seccomp_check_filter+0x10/0x10 [ 42.080183] bpf_prog_create_from_user+0xb2/0x2f0 [ 42.081095] do_seccomp+0x349/0x25e0 [ 42.081828] ? __pfx_css_rstat_updated+0x10/0x10 [ 42.082776] ? __pfx_do_seccomp+0x10/0x10 [ 42.083570] ? find_held_lock+0x2b/0x80 [ 42.084291] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 42.085278] ? static_key_count+0x60/0x80 [ 42.086080] prctl_set_seccomp+0x4e/0x70 [ 42.086882] __do_sys_prctl+0xe6c/0x1d70 [ 42.087675] ? __pfx___do_sys_prctl+0x10/0x10 [ 42.088542] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 42.089509] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 42.090490] ? irqentry_exit+0xf3/0x650 [ 42.091212] do_syscall_64+0xbf/0x430 [ 42.091948] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 42.092902] RIP: 0033:0x7faa4da745cd [ 42.093608] 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 [ 42.096803] RSP: 002b:00007ffe2bd712a0 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 42.098172] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007faa4da745cd [ 42.099473] RDX: 000055dcd54e2e00 RSI: 0000000000000002 RDI: 0000000000000016 [ 42.100748] RBP: 00007ffe2bd71300 R08: 0000000000000000 R09: 00007ffe2bd709a0 [ 42.102022] R10: 0000000000000000 R11: 0000000000000246 R12: 000055dcf275b2b0 [ 42.103331] R13: 00007ffe2bd71730 R14: 000055dcf275dd20 R15: 000055dcf276f8d0 [ 42.104635] [ 42.105058] irq event stamp: 1833 [ 42.105709] hardirqs last enabled at (1843): [] __up_console_sem+0x78/0x80 [ 42.107256] hardirqs last disabled at (1852): [] __up_console_sem+0x5d/0x80 [ 42.108776] softirqs last enabled at (1424): [] handle_softirqs+0x50c/0x770 [ 42.110409] softirqs last disabled at (1871): [] __irq_exit_rcu+0xc4/0x100 [ 42.111893] ---[ end trace 0000000000000000 ]--- [ 42.876150] ------------[ cut here ]------------ [ 42.877089] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 42.879199] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#1: sshd/249 [ 42.880928] Modules linked in: [ 42.881658] CPU: 1 UID: 104 PID: 249 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251117 #1 PREEMPT(voluntary) [ 42.883703] Tainted: [W]=WARN [ 42.884283] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 42.885814] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 42.886771] 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 [ 42.890120] RSP: 0018:ffff8880178e7bc0 EFLAGS: 00010286 [ 42.891150] RAX: 0000000000000000 RBX: ffffed1002f1cf78 RCX: ffffffff813a4050 [ 42.892451] RDX: ffff88801375b780 RSI: ffffffff813a405e RDI: 0000000000000001 [ 42.893770] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed1002f1cf2f [ 42.895086] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 42.896407] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff8880178e7df8 [ 42.897740] FS: 00007ff784b9c900(0000) GS:ffff8880e548f000(0000) knlGS:0000000000000000 [ 42.899235] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 42.900345] CR2: 00007fffea9bbef7 CR3: 000000000df82000 CR4: 0000000000350ef0 [ 42.901656] Call Trace: [ 42.902146] [ 42.902637] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 42.903560] ? __create_object+0x59/0x80 [ 42.904362] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 42.905350] __vmalloc_noprof+0x59/0x60 [ 42.906062] bpf_prog_alloc_no_stats+0x55/0x470 [ 42.906985] ? __pfx_seccomp_check_filter+0x10/0x10 [ 42.907950] bpf_prog_alloc+0x39/0x200 [ 42.908708] ? __pfx_seccomp_check_filter+0x10/0x10 [ 42.909687] bpf_prog_create_from_user+0xb2/0x2f0 [ 42.910633] do_seccomp+0x349/0x25e0 [ 42.911404] ? find_held_lock+0x2b/0x80 [ 42.912147] ? do_prlimit+0x310/0x610 [ 42.912895] ? __pfx_do_seccomp+0x10/0x10 [ 42.913701] ? do_raw_spin_unlock+0x53/0x220 [ 42.914583] ? _raw_spin_unlock+0x1e/0x40 [ 42.915392] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 42.916385] ? static_key_count+0x60/0x80 [ 42.917154] prctl_set_seccomp+0x4e/0x70 [ 42.917928] __do_sys_prctl+0xe6c/0x1d70 [ 42.918743] ? __pfx___do_sys_prctl+0x10/0x10 [ 42.919619] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 42.920630] ? irqentry_exit+0xf3/0x650 [ 42.921426] do_syscall_64+0xbf/0x430 [ 42.922139] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 42.923129] RIP: 0033:0x7ff78508e5cd [ 42.923843] 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 [ 42.927096] RSP: 002b:00007fffea9b9bd0 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 42.928261] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007ff78508e5cd [ 42.929400] RDX: 0000556f6d87ee00 RSI: 0000000000000002 RDI: 0000000000000016 [ 42.930514] RBP: 00007fffea9b9c30 R08: 0000000000000000 R09: 00007fffea9b92d0 [ 42.931639] R10: 0000000000000000 R11: 0000000000000246 R12: 0000556f8984bbf0 [ 42.932718] R13: 00007fffea9ba060 R14: 0000556f89855380 R15: 0000556f89860460 [ 42.933840] [ 42.934224] irq event stamp: 1839 [ 42.934794] hardirqs last enabled at (1849): [] __up_console_sem+0x78/0x80 [ 42.936120] hardirqs last disabled at (1858): [] __up_console_sem+0x5d/0x80 [ 42.937444] softirqs last enabled at (1788): [] handle_softirqs+0x50c/0x770 [ 42.938766] softirqs last disabled at (1783): [] __irq_exit_rcu+0xc4/0x100 [ 42.940086] ---[ end trace 0000000000000000 ]--- Warning: Permanently added '[localhost]:18229' (ECDSA) to the list of known hosts. 2025/11/18 06:17:18 fuzzer started 2025/11/18 06:17:18 dialing manager at localhost:37895 2025/11/18 06:17:19 checking machine... 2025/11/18 06:17:19 checking revisions... [ 43.840453] kmemleak: Automatic memory scanning thread ended 2025/11/18 06:17:19 testing simple program... [ 43.917917] cgroup: Unknown subsys name 'net' [ 43.986173] cgroup: Unknown subsys name 'cpuset' [ 44.000698] cgroup: Unknown subsys name 'rlimit' executing program executing program executing program VM DIAGNOSIS: 06:17:18 Registers: info registers vcpu 0 RAX=000000000003bc3d RBX=0000000000000000 RCX=ffffffff84c72d57 RDX=0000000000000000 RSI=0000000000000000 RDI=ffffffff814d2c90 RBP=dffffc0000000000 RSP=ffffffff85c07e00 R8 =0000000000000001 R9 =ffffed100d9c639a R10=ffff88806ce31cd3 R11=0000000000000001 R12=ffffffff8664f650 R13=1ffffffff0b80fc7 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 ffff8880e538f000 00000000 00000000 LDT=0000 fffffe7c00000000 00000000 00000000 TR =0040 fffffe0000003000 00004087 00008b00 DPL=0 TSS64-busy GDT= fffffe0000001000 0000007f IDT= fffffe0000000000 00000fff CR0=80050033 CR2=000055dcf2791000 CR3=000000000db2d000 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=37313a363020383120766f4e3e36383c XMM01=7365733a646873732878696e755f6d61 XMM02=736f6c63206e6f6973736573203a296e XMM03=5f6d6170203a5d3034325b6468737320 XMM04=6456774875434142334f726f59427469 XMM05=485320415352203a3268737320383933 XMM06=206d6f726620746f6f7220726f662079 XMM07=00000000000000000000000000000000 XMM08=3a677562656420676f6c737973720000 XMM09=00000000000000000000000000000000 XMM10=00000000000000000000000000000000 XMM11=00000000000000000000000000000000 XMM12=00000000000000000000000000000000 XMM13=00000000000000000000000000000000 XMM14=00000000000000000000000000000000 XMM15=00000000000000000000000000000000 info registers vcpu 1 RAX=dffffc0000000000 RBX=0000000000000001 RCX=ffff88806cf089c4 RDX=1ffff1100d9e1157 RSI=ffffffff81b8c9af RDI=ffff88806cf08a70 RBP=ffff88806cf08ac8 RSP=ffff88806cf08a00 R8 =0000000000000001 R9 =ffff88806cf08ab0 R10=000000000003c9ed R11=00000000000273ac R12=0000000000000000 R13=ffff88806cf08ab8 R14=ffff888017a89bc0 R15=ffff88806cf08a70 RIP=ffffffff8135e486 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 00007faa4d582900 00000000 00000000 GS =0000 ffff8880e548f000 00000000 00000000 LDT=0000 fffffe5e00000000 00000000 00000000 TR =0040 fffffe000004a000 00004087 00008b00 DPL=0 TSS64-busy GDT= fffffe0000048000 0000007f IDT= fffffe0000000000 00000fff CR0=80050033 CR2=00007faa4db39618 CR3=000000001f972000 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