syzkaller login: [ 46.470979] ------------[ cut here ]------------ [ 46.472045] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 46.474292] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#0: sshd/235 [ 46.476019] Modules linked in: [ 46.476760] CPU: 0 UID: 104 PID: 235 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251118 #1 PREEMPT(voluntary) [ 46.479050] Tainted: [W]=WARN [ 46.479742] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 46.481481] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 46.482535] 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 [ 46.486191] RSP: 0018:ffff88801af67bc0 EFLAGS: 00010286 [ 46.487323] RAX: 0000000000000000 RBX: ffffed10035ecf78 RCX: ffffffff813a4050 [ 46.488808] RDX: ffff888015935340 RSI: ffffffff813a405e RDI: 0000000000000001 [ 46.490299] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed10035ecf2f [ 46.491793] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 46.493276] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff88801af67df8 [ 46.494754] FS: 00007f37960ea900(0000) GS:ffff8880e538f000(0000) knlGS:0000000000000000 [ 46.496413] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 46.497632] CR2: 00007fffe52dbef8 CR3: 000000001429c000 CR4: 0000000000350ef0 [ 46.499128] Call Trace: [ 46.499708] [ 46.500201] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 46.501242] ? __create_object+0x59/0x80 [ 46.502155] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 46.503272] __vmalloc_noprof+0x59/0x60 [ 46.504239] bpf_prog_alloc_no_stats+0x55/0x470 [ 46.505114] ? __pfx_seccomp_check_filter+0x10/0x10 [ 46.506032] bpf_prog_alloc+0x39/0x200 [ 46.506760] ? __pfx_seccomp_check_filter+0x10/0x10 [ 46.507673] bpf_prog_create_from_user+0xb2/0x2f0 [ 46.508575] do_seccomp+0x349/0x25e0 [ 46.509240] ? find_held_lock+0x2b/0x80 [ 46.509985] ? do_prlimit+0x310/0x610 [ 46.510704] ? __pfx_do_seccomp+0x10/0x10 [ 46.511427] ? do_raw_spin_unlock+0x53/0x220 [ 46.512240] ? _raw_spin_unlock+0x1e/0x40 [ 46.513011] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 46.513952] ? static_key_count+0x60/0x80 [ 46.514733] prctl_set_seccomp+0x4e/0x70 [ 46.515441] __do_sys_prctl+0xe6c/0x1d70 [ 46.516230] ? __pfx___do_sys_prctl+0x10/0x10 [ 46.517072] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 46.518014] ? irqentry_exit+0xf3/0x650 [ 46.518767] do_syscall_64+0xbf/0x430 [ 46.519441] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 46.520375] RIP: 0033:0x7f37965dc5cd [ 46.521064] 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 [ 46.524147] RSP: 002b:00007fffe52da380 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 46.525487] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f37965dc5cd [ 46.526733] RDX: 000055aa86ca9e00 RSI: 0000000000000002 RDI: 0000000000000016 [ 46.527996] RBP: 00007fffe52da3e0 R08: 0000000000000000 R09: 00007fffe52d9a80 [ 46.529254] R10: 0000000000000000 R11: 0000000000000246 R12: 000055aa9bd81ad0 [ 46.530499] R13: 00007fffe52da810 R14: 000055aa9bd82bc0 R15: 000055aa9bd93780 [ 46.531783] [ 46.532199] irq event stamp: 1767 [ 46.532853] hardirqs last enabled at (1793): [] __up_console_sem+0x78/0x80 [ 46.534341] hardirqs last disabled at (1802): [] __up_console_sem+0x5d/0x80 [ 46.535845] softirqs last enabled at (1790): [] handle_softirqs+0x50c/0x770 [ 46.537189] softirqs last disabled at (1775): [] __irq_exit_rcu+0xc4/0x100 [ 46.538394] ---[ end trace 0000000000000000 ]--- [ 49.984299] ------------[ cut here ]------------ [ 49.985232] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 49.987200] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#0: sshd/242 [ 49.988716] Modules linked in: [ 49.989300] CPU: 0 UID: 104 PID: 242 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251118 #1 PREEMPT(voluntary) [ 49.991262] Tainted: [W]=WARN [ 49.991898] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 49.993384] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 49.994285] 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 [ 49.997483] RSP: 0018:ffff88800b087bc0 EFLAGS: 00010286 [ 49.998409] RAX: 0000000000000000 RBX: ffffed1001610f78 RCX: ffffffff813a4050 [ 49.999694] RDX: ffff888016611bc0 RSI: ffffffff813a405e RDI: 0000000000000001 [ 50.000999] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed1001610f2f [ 50.002277] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 50.003564] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff88800b087df8 [ 50.004914] FS: 00007f51673ed900(0000) GS:ffff8880e538f000(0000) knlGS:0000000000000000 [ 50.006353] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 50.007422] CR2: 00007ffd1074bef8 CR3: 000000000cacd000 CR4: 0000000000350ef0 [ 50.008744] Call Trace: [ 50.009202] [ 50.009657] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 50.010563] ? __create_object+0x59/0x80 [ 50.011296] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 50.012316] __vmalloc_noprof+0x59/0x60 [ 50.013074] bpf_prog_alloc_no_stats+0x55/0x470 [ 50.013954] ? __pfx_seccomp_check_filter+0x10/0x10 [ 50.014898] bpf_prog_alloc+0x39/0x200 [ 50.015655] ? __pfx_seccomp_check_filter+0x10/0x10 [ 50.016637] bpf_prog_create_from_user+0xb2/0x2f0 [ 50.017541] do_seccomp+0x349/0x25e0 [ 50.018221] ? find_held_lock+0x2b/0x80 [ 50.018988] ? do_prlimit+0x310/0x610 [ 50.019735] ? __pfx_do_seccomp+0x10/0x10 [ 50.020544] ? do_raw_spin_unlock+0x53/0x220 [ 50.021328] ? _raw_spin_unlock+0x1e/0x40 [ 50.022105] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 50.023069] ? static_key_count+0x60/0x80 [ 50.023884] prctl_set_seccomp+0x4e/0x70 [ 50.024693] __do_sys_prctl+0xe6c/0x1d70 [ 50.025434] ? __pfx___do_sys_prctl+0x10/0x10 [ 50.026297] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 50.027276] ? irqentry_exit+0xf3/0x650 [ 50.028071] do_syscall_64+0xbf/0x430 [ 50.028827] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 50.029792] RIP: 0033:0x7f51678df5cd [ 50.030492] 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 [ 50.033700] RSP: 002b:00007ffd10749fd0 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 50.035063] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f51678df5cd [ 50.036378] RDX: 0000557c40766e00 RSI: 0000000000000002 RDI: 0000000000000016 [ 50.037639] RBP: 00007ffd1074a030 R08: 0000000000000000 R09: 00007ffd107496d0 [ 50.038913] R10: 0000000000000000 R11: 0000000000000246 R12: 0000557c436a62b0 [ 50.040234] R13: 00007ffd1074a460 R14: 0000557c436a8d20 R15: 0000557c436ba8d0 [ 50.041554] [ 50.041976] irq event stamp: 1753 [ 50.042627] hardirqs last enabled at (1763): [] __up_console_sem+0x78/0x80 [ 50.044208] hardirqs last disabled at (1772): [] __up_console_sem+0x5d/0x80 [ 50.045730] softirqs last enabled at (1656): [] handle_softirqs+0x50c/0x770 [ 50.047282] softirqs last disabled at (1651): [] __irq_exit_rcu+0xc4/0x100 [ 50.048699] ---[ end trace 0000000000000000 ]--- [ 50.875308] ------------[ cut here ]------------ [ 50.876269] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 50.878332] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#0: sshd/249 [ 50.879933] Modules linked in: [ 50.880595] CPU: 0 UID: 104 PID: 249 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251118 #1 PREEMPT(voluntary) [ 50.882615] Tainted: [W]=WARN [ 50.883178] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 50.884704] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 50.885624] 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 [ 50.888894] RSP: 0018:ffff888016fbfbc0 EFLAGS: 00010286 [ 50.889888] RAX: 0000000000000000 RBX: ffffed1002df7f78 RCX: ffffffff813a4050 [ 50.891194] RDX: ffff8880155ed340 RSI: ffffffff813a405e RDI: 0000000000000001 [ 50.892535] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed1002df7f2f [ 50.893844] R10: 0000000000000000 R11: 0000000000000001 R12: 0000000000400dc0 [ 50.895146] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff888016fbfdf8 [ 50.896501] FS: 00007f3daaf82900(0000) GS:ffff8880e538f000(0000) knlGS:0000000000000000 [ 50.897970] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 50.899049] CR2: 00007f3dab474580 CR3: 000000001f70c000 CR4: 0000000000350ef0 [ 50.900393] Call Trace: [ 50.900913] [ 50.901332] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 50.902237] ? __create_object+0x59/0x80 [ 50.903038] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 50.904066] __vmalloc_noprof+0x59/0x60 [ 50.904851] bpf_prog_alloc_no_stats+0x55/0x470 [ 50.905744] ? __pfx_seccomp_check_filter+0x10/0x10 [ 50.906697] bpf_prog_alloc+0x39/0x200 [ 50.907401] ? __pfx_seccomp_check_filter+0x10/0x10 [ 50.908397] bpf_prog_create_from_user+0xb2/0x2f0 [ 50.909341] do_seccomp+0x349/0x25e0 [ 50.910090] ? __pfx_css_rstat_updated+0x10/0x10 [ 50.911040] ? __pfx_do_seccomp+0x10/0x10 [ 50.911906] ? find_held_lock+0x2b/0x80 [ 50.912722] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 50.913742] ? static_key_count+0x60/0x80 [ 50.914581] prctl_set_seccomp+0x4e/0x70 [ 50.915349] __do_sys_prctl+0xe6c/0x1d70 [ 50.916202] ? __pfx___do_sys_prctl+0x10/0x10 [ 50.917102] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 50.918126] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 50.919152] ? irqentry_exit+0xf3/0x650 [ 50.920007] do_syscall_64+0xbf/0x430 [ 50.920785] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 50.921789] RIP: 0033:0x7f3dab4745cd [ 50.922534] 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 [ 50.925918] RSP: 002b:00007fff8dd8ce80 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 50.927363] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f3dab4745cd [ 50.928752] RDX: 000055b67939de00 RSI: 0000000000000002 RDI: 0000000000000016 [ 50.930116] RBP: 00007fff8dd8cee0 R08: 0000000000000000 R09: 00007fff8dd8c580 [ 50.931482] R10: 0000000000000000 R11: 0000000000000246 R12: 000055b68dc13ad0 [ 50.932872] R13: 00007fff8dd8d310 R14: 000055b68dc14bc0 R15: 000055b68dc25780 [ 50.934245] [ 50.934730] irq event stamp: 1713 [ 50.935369] hardirqs last enabled at (1721): [] __up_console_sem+0x78/0x80 [ 50.937008] hardirqs last disabled at (1730): [] __up_console_sem+0x5d/0x80 [ 50.938619] softirqs last enabled at (1670): [] handle_softirqs+0x50c/0x770 [ 50.940290] softirqs last disabled at (1665): [] __irq_exit_rcu+0xc4/0x100 [ 50.941899] ---[ end trace 0000000000000000 ]--- Warning: Permanently added '[localhost]:40142' (ECDSA) to the list of known hosts. 2025/11/18 23:10:02 fuzzer started 2025/11/18 23:10:03 dialing manager at localhost:34383 2025/11/18 23:10:03 checking machine... 2025/11/18 23:10:03 checking revisions... [ 51.747654] kmemleak: Automatic memory scanning thread ended 2025/11/18 23:10:03 testing simple program... [ 51.814179] cgroup: Unknown subsys name 'net' [ 51.862409] cgroup: Unknown subsys name 'cpuset' [ 51.875111] cgroup: Unknown subsys name 'rlimit' executing program executing program executing program VM DIAGNOSIS: 23:10:02 Registers: info registers vcpu 0 RAX=0000000000000000 RBX=ffff88801a908600 RCX=0000000000000000 RDX=0000000000000002 RSI=0000000000000001 RDI=ffff88801a908638 RBP=ffffffff854025c0 RSP=ffff888018ed7d88 R8 =0000000000000003 R9 =0000000000000000 R10=ffff888018ed7db8 R11=0000000000000001 R12=ffffffff8899aaa0 R13=0000000000000000 R14=1ffff110031dafcf R15=0000000000000000 RIP=ffffffff814f5963 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 00007f51673ed900 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=00007f51679a4618 CR3=000000001f6cd000 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=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 info registers vcpu 1 RAX=ffffffff87ce3608 RBX=0000000000000200 RCX=0000000000000200 RDX=0000000000000008 RSI=ffff888009644200 RDI=ffff888009643780 RBP=ffff888009643780 RSP=ffff88806cf08848 R8 =0000000000000000 R9 =0000000000000005 R10=0000000000000001 R11=0000000000000000 R12=0000000000000009 R13=0000000000000001 R14=ffff888009644200 R15=0000000000000003 RIP=ffffffff815265b1 RFL=00000006 [-----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 0000000000000000 00000000 00000000 GS =0000 ffff8880e548f000 00000000 00000000 LDT=0000 fffffe4400000000 00000000 00000000 TR =0040 fffffe000004a000 00004087 00008b00 DPL=0 TSS64-busy GDT= fffffe0000048000 0000007f IDT= fffffe0000000000 00000fff CR0=80050033 CR2=00007f15c5a76000 CR3=000000000d3b2000 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=107005138e3bceb6c244e9322154f9cc XMM02=2c67c8bc2e329bc30000000000304ea0 XMM03=fb795ef6d65770560000000000311ef8 XMM04=ff762cb828570ca100000000000ae988 XMM05=bfbb7514ccbca4590000000000321f18 XMM06=5b75c91c804453420000000000320d30 XMM07=e042d86d42eb936e0000000000312178 XMM08=d67b550532ba26db0000000000304f00 XMM09=00000000000000000000000000000000 XMM10=20200000000020202020202020200000 XMM11=00000000000000000000000000000000 XMM12=00000000000000000000000000000000 XMM13=00000000000000000000000000000000 XMM14=00000000000000000000000000000000 XMM15=00000000000000000000000000000000