syzkaller login: [ 46.320145] ------------[ cut here ]------------ [ 46.321092] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 46.323174] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#0: sshd/232 [ 46.324653] Modules linked in: [ 46.325349] CPU: 0 UID: 104 PID: 232 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251117 #1 PREEMPT(voluntary) [ 46.327396] Tainted: [W]=WARN [ 46.328016] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 46.329527] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 46.330472] 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 [ 46.333730] RSP: 0018:ffff888009f97bc0 EFLAGS: 00010286 [ 46.334740] RAX: 0000000000000000 RBX: ffffed10013f2f78 RCX: ffffffff813a4050 [ 46.336055] RDX: ffff888016281bc0 RSI: ffffffff813a405e RDI: 0000000000000001 [ 46.337352] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed10013f2f2f [ 46.338672] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 46.339975] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff888009f97df8 [ 46.341288] FS: 00007f153a40f900(0000) GS:ffff8880e538f000(0000) knlGS:0000000000000000 [ 46.342748] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 46.343828] CR2: 00007ffdb145fef8 CR3: 000000000d43e000 CR4: 0000000000350ef0 [ 46.345122] Call Trace: [ 46.345602] [ 46.346044] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 46.346978] ? __create_object+0x59/0x80 [ 46.347753] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 46.348732] __vmalloc_noprof+0x59/0x60 [ 46.349486] bpf_prog_alloc_no_stats+0x55/0x470 [ 46.350372] ? __pfx_seccomp_check_filter+0x10/0x10 [ 46.351349] bpf_prog_alloc+0x39/0x200 [ 46.352108] ? __pfx_seccomp_check_filter+0x10/0x10 [ 46.353067] bpf_prog_create_from_user+0xb2/0x2f0 [ 46.353971] do_seccomp+0x349/0x25e0 [ 46.354669] ? find_held_lock+0x2b/0x80 [ 46.355454] ? do_prlimit+0x310/0x610 [ 46.356212] ? __pfx_do_seccomp+0x10/0x10 [ 46.357025] ? do_raw_spin_unlock+0x53/0x220 [ 46.357833] ? _raw_spin_unlock+0x1e/0x40 [ 46.358617] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 46.359604] ? static_key_count+0x60/0x80 [ 46.360429] prctl_set_seccomp+0x4e/0x70 [ 46.361214] __do_sys_prctl+0xe6c/0x1d70 [ 46.362015] ? __pfx___do_sys_prctl+0x10/0x10 [ 46.362852] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 46.363860] ? irqentry_exit+0xf3/0x650 [ 46.364639] do_syscall_64+0xbf/0x430 [ 46.365384] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 46.366367] RIP: 0033:0x7f153a9015cd [ 46.367190] 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 [ 46.370409] RSP: 002b:00007ffdb145ebd0 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 46.371785] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f153a9015cd [ 46.373088] RDX: 00005621f1f01e00 RSI: 0000000000000002 RDI: 0000000000000016 [ 46.374370] RBP: 00007ffdb145ec30 R08: 0000000000000000 R09: 00007ffdb145e2d0 [ 46.375657] R10: 0000000000000000 R11: 0000000000000246 R12: 0000562229653ad0 [ 46.376942] R13: 00007ffdb145f060 R14: 0000562229654bc0 R15: 0000562229665780 [ 46.378245] [ 46.378684] irq event stamp: 1731 [ 46.379360] hardirqs last enabled at (1741): [] __up_console_sem+0x78/0x80 [ 46.380921] hardirqs last disabled at (1750): [] __up_console_sem+0x5d/0x80 [ 46.382454] softirqs last enabled at (1600): [] handle_softirqs+0x50c/0x770 [ 46.383992] softirqs last disabled at (1595): [] __irq_exit_rcu+0xc4/0x100 [ 46.385492] ---[ end trace 0000000000000000 ]--- [ 49.962082] ------------[ cut here ]------------ [ 49.963037] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 49.965078] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#0: sshd/242 [ 49.966546] Modules linked in: [ 49.967243] CPU: 0 UID: 104 PID: 242 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251117 #1 PREEMPT(voluntary) [ 49.969241] Tainted: [W]=WARN [ 49.969802] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 49.971298] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 49.972224] 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 [ 49.975421] RSP: 0018:ffff88801c3b7bc0 EFLAGS: 00010286 [ 49.976407] RAX: 0000000000000000 RBX: ffffed1003876f78 RCX: ffffffff813a4050 [ 49.977696] RDX: ffff88801c02b780 RSI: ffffffff813a405e RDI: 0000000000000001 [ 49.979006] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed1003876f2f [ 49.980290] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 49.981580] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff88801c3b7df8 [ 49.982878] FS: 00007f2e9aa03900(0000) GS:ffff8880e538f000(0000) knlGS:0000000000000000 [ 49.984348] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 49.985430] CR2: 00007f2e9aef5580 CR3: 000000000d750000 CR4: 0000000000350ef0 [ 49.986729] Call Trace: [ 49.987236] [ 49.987643] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 49.988537] ? __create_object+0x59/0x80 [ 49.989316] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 49.990294] __vmalloc_noprof+0x59/0x60 [ 49.991068] bpf_prog_alloc_no_stats+0x55/0x470 [ 49.991944] ? __pfx_seccomp_check_filter+0x10/0x10 [ 49.992835] bpf_prog_alloc+0x39/0x200 [ 49.993578] ? __pfx_seccomp_check_filter+0x10/0x10 [ 49.994504] bpf_prog_create_from_user+0xb2/0x2f0 [ 49.995421] do_seccomp+0x349/0x25e0 [ 49.996138] ? __pfx_css_rstat_updated+0x10/0x10 [ 49.997049] ? __pfx_do_seccomp+0x10/0x10 [ 49.997797] ? find_held_lock+0x2b/0x80 [ 49.998552] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 49.999539] ? static_key_count+0x60/0x80 [ 50.000353] prctl_set_seccomp+0x4e/0x70 [ 50.001132] __do_sys_prctl+0xe6c/0x1d70 [ 50.001936] ? __pfx___do_sys_prctl+0x10/0x10 [ 50.002761] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 50.003740] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 50.004724] ? irqentry_exit+0xf3/0x650 [ 50.005490] do_syscall_64+0xbf/0x430 [ 50.006242] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 50.007211] RIP: 0033:0x7f2e9aef55cd [ 50.007875] 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 [ 50.011125] RSP: 002b:00007ffe8f8c1350 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 50.012477] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f2e9aef55cd [ 50.013754] RDX: 00005608009e0e00 RSI: 0000000000000002 RDI: 0000000000000016 [ 50.015052] RBP: 00007ffe8f8c13b0 R08: 0000000000000000 R09: 00007ffe8f8c0a50 [ 50.016335] R10: 0000000000000000 R11: 0000000000000246 R12: 0000560838eefad0 [ 50.017627] R13: 00007ffe8f8c17e0 R14: 0000560838ef0bc0 R15: 0000560838f01780 [ 50.018951] [ 50.019377] irq event stamp: 1789 [ 50.020028] hardirqs last enabled at (1799): [] __up_console_sem+0x78/0x80 [ 50.021581] hardirqs last disabled at (1808): [] __up_console_sem+0x5d/0x80 [ 50.023111] softirqs last enabled at (1706): [] handle_softirqs+0x50c/0x770 [ 50.024668] softirqs last disabled at (1701): [] __irq_exit_rcu+0xc4/0x100 [ 50.026191] ---[ end trace 0000000000000000 ]--- [ 50.855801] ------------[ cut here ]------------ [ 50.856733] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 50.858808] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#1: sshd/249 [ 50.860282] Modules linked in: [ 50.860879] CPU: 1 UID: 104 PID: 249 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251117 #1 PREEMPT(voluntary) [ 50.863235] Tainted: [W]=WARN [ 50.863798] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 50.865282] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 50.866216] 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 [ 50.869430] RSP: 0018:ffff888017867bc0 EFLAGS: 00010286 [ 50.870430] RAX: 0000000000000000 RBX: ffffed1002f0cf78 RCX: ffffffff813a4050 [ 50.871747] RDX: ffff88801c07d340 RSI: ffffffff813a405e RDI: 0000000000000001 [ 50.873038] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed1002f0cf2f [ 50.874317] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 50.875624] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff888017867df8 [ 50.876921] FS: 00007fe9cbe21900(0000) GS:ffff8880e548f000(0000) knlGS:0000000000000000 [ 50.878372] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 50.879460] CR2: 00007fe9cc313580 CR3: 000000000e4ef000 CR4: 0000000000350ef0 [ 50.880758] Call Trace: [ 50.881277] [ 50.881704] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 50.882607] ? __create_object+0x59/0x80 [ 50.883403] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 50.884380] __vmalloc_noprof+0x59/0x60 [ 50.885149] bpf_prog_alloc_no_stats+0x55/0x470 [ 50.886041] ? __pfx_seccomp_check_filter+0x10/0x10 [ 50.887006] bpf_prog_alloc+0x39/0x200 [ 50.887718] ? __pfx_seccomp_check_filter+0x10/0x10 [ 50.888657] bpf_prog_create_from_user+0xb2/0x2f0 [ 50.889556] do_seccomp+0x349/0x25e0 [ 50.890280] ? __pfx_css_rstat_updated+0x10/0x10 [ 50.891212] ? __pfx_do_seccomp+0x10/0x10 [ 50.892005] ? find_held_lock+0x2b/0x80 [ 50.892734] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 50.893690] ? static_key_count+0x60/0x80 [ 50.894498] prctl_set_seccomp+0x4e/0x70 [ 50.895296] __do_sys_prctl+0xe6c/0x1d70 [ 50.896111] ? __pfx___do_sys_prctl+0x10/0x10 [ 50.896979] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 50.897966] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 50.898959] ? irqentry_exit+0xf3/0x650 [ 50.899683] do_syscall_64+0xbf/0x430 [ 50.900446] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 50.901398] RIP: 0033:0x7fe9cc3135cd [ 50.902128] 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 [ 50.905346] RSP: 002b:00007ffed49f54e0 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 50.906735] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007fe9cc3135cd [ 50.908045] RDX: 000055ad42e4de00 RSI: 0000000000000002 RDI: 0000000000000016 [ 50.909338] RBP: 00007ffed49f5540 R08: 0000000000000000 R09: 00007ffed49f4be0 [ 50.910623] R10: 0000000000000000 R11: 0000000000000246 R12: 000055ad56e62ad0 [ 50.911922] R13: 00007ffed49f5970 R14: 000055ad56e63bc0 R15: 000055ad56e74780 [ 50.913267] [ 50.913693] irq event stamp: 1811 [ 50.914349] hardirqs last enabled at (1821): [] __up_console_sem+0x78/0x80 [ 50.915913] hardirqs last disabled at (1832): [] __up_console_sem+0x5d/0x80 [ 50.917473] softirqs last enabled at (1800): [] handle_softirqs+0x50c/0x770 [ 50.919041] softirqs last disabled at (1795): [] __irq_exit_rcu+0xc4/0x100 [ 50.920568] ---[ end trace 0000000000000000 ]--- Warning: Permanently added '[localhost]:16429' (ECDSA) to the list of known hosts. 2025/11/17 23:30:54 fuzzer started 2025/11/17 23:30:55 dialing manager at localhost:37895 2025/11/17 23:30:55 checking machine... 2025/11/17 23:30:55 checking revisions... [ 51.845298] kmemleak: Automatic memory scanning thread ended 2025/11/17 23:30:55 testing simple program... [ 51.929083] cgroup: Unknown subsys name 'net' [ 51.988685] cgroup: Unknown subsys name 'cpuset' [ 52.001877] cgroup: Unknown subsys name 'rlimit' executing program executing program VM DIAGNOSIS: 23:30:54 Registers: info registers vcpu 0 RAX=0000000000000001 RBX=ffff88801c02d340 RCX=0000000000000200 RDX=0000000000000008 RSI=ffff88801c02dde8 RDI=ffff88801c02d340 RBP=ffff88801c02dd98 RSP=ffff88806ce088c8 R8 =0000000000000000 R9 =0000000000000005 R10=0000000000000001 R11=0000000000000000 R12=ffff88801c02dde8 R13=0000000000000002 R14=0000000000000000 R15=0000000000000003 RIP=ffffffff815273eb RFL=00000047 [---Z-PC] 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 00007f2e9aa03900 00000000 00000000 GS =0000 ffff8880e538f000 00000000 00000000 LDT=0000 fffffe1600000000 00000000 00000000 TR =0040 fffffe0000003000 00004087 00008b00 DPL=0 TSS64-busy GDT= fffffe0000001000 0000007f IDT= fffffe0000000000 00000fff CR0=80050033 CR2=00007ffe8f8bb000 CR3=0000000013a26000 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=ffffffffffffffffffff000000000000 XMM01=000000000000003635006b6f6c6c756e XMM02=62003d73646e756f7200323135616873 XMM03=5320444f4854454d5f54505952434e45 XMM04=40404040404040404040404040404040 XMM05=5a5a5a5a5a5a5a5a5a5a5a5a5a5a5a5a XMM06=20202020202020202020202020202020 XMM07=00000000000000000000000000000000 XMM08=00000000000000000000000000202020 XMM09=ff0000ffffffffffff00000000ffffff XMM10=00000000000000000000000000000000 XMM11=00000000000000000000000000000000 XMM12=00000000000000000000000000000000 XMM13=00000000000000000000000000000000 XMM14=00000000000000000000000000000000 XMM15=00000000000000000000000000000000 info registers vcpu 1 RAX=0000000000000007 RBX=ffff888009613810 RCX=1ffff110012c2702 RDX=0000000000000000 RSI=ffff88806cf37438 RDI=ffff88806cf3741c RBP=0000000000000000 RSP=ffff88806cf08dc8 R8 =ffff888009613810 R9 =0000000000000001 R10=1ffff1100d9e6fd7 R11=0000000000000001 R12=ffff88806cf37400 R13=ffff888009613800 R14=0000000000155cc0 R15=dffffc0000000000 RIP=ffffffff814aed29 RFL=00000002 [-------] 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 fffffe5800000000 00000000 00000000 TR =0040 fffffe000004a000 00004087 00008b00 DPL=0 TSS64-busy GDT= fffffe0000048000 0000007f IDT= fffffe0000000000 00000fff CR0=80050033 CR2=0000560838eec218 CR3=000000000e11b000 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=2034353a30333a333220373120766f4e XMM01=73732878696e755f6d6170203a5d3134 XMM02=65736f6c63206e6f6973736573203a29 XMM03=755f6d6170203a5d3134325b64687373 XMM04=69662068637573206f4e203a656c6163 XMM05=3a656c696620766e65206e65706f206f XMM06=65733a6468737328766e655f6d617020 XMM07=6b7a79732033353a30333a3332203731 XMM08=30343d7974696c696261706163202279 XMM09=00000000000000000000000000000000 XMM10=00000000000000000000000000000000 XMM11=00000000000000000000000000000000 XMM12=00000000000000000000000000000000 XMM13=00000000000000000000000000000000 XMM14=00000000000000000000000000000000 XMM15=00000000000000000000000000000000