syzkaller login: [ 39.045245] ------------[ cut here ]------------ [ 39.046173] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 39.048246] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#1: sshd/233 [ 39.049707] Modules linked in: [ 39.050289] CPU: 1 UID: 104 PID: 233 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251117 #1 PREEMPT(voluntary) [ 39.052496] Tainted: [W]=WARN [ 39.053153] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 39.054689] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 39.055556] 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 [ 39.058783] RSP: 0018:ffff888015c47bc0 EFLAGS: 00010286 [ 39.059767] RAX: 0000000000000000 RBX: ffffed1002b88f78 RCX: ffffffff813a4050 [ 39.061054] RDX: ffff888017275340 RSI: ffffffff813a405e RDI: 0000000000000001 [ 39.062342] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed1002b88f2f [ 39.063644] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 39.064945] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff888015c47df8 [ 39.066249] FS: 00007f462fda9900(0000) GS:ffff8880e548f000(0000) knlGS:0000000000000000 [ 39.067732] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 39.068798] CR2: 00007f463030f4a6 CR3: 000000000eb99000 CR4: 0000000000350ef0 [ 39.070119] Call Trace: [ 39.070588] [ 39.071050] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 39.071955] ? __create_object+0x59/0x80 [ 39.072736] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 39.073727] __vmalloc_noprof+0x59/0x60 [ 39.074451] bpf_prog_alloc_no_stats+0x55/0x470 [ 39.075327] ? __pfx_seccomp_check_filter+0x10/0x10 [ 39.076253] bpf_prog_alloc+0x39/0x200 [ 39.077133] ? __pfx_seccomp_check_filter+0x10/0x10 [ 39.078083] bpf_prog_create_from_user+0xb2/0x2f0 [ 39.078994] do_seccomp+0x349/0x25e0 [ 39.079715] ? find_held_lock+0x2b/0x80 [ 39.080440] ? do_prlimit+0x310/0x610 [ 39.081185] ? __pfx_do_seccomp+0x10/0x10 [ 39.081986] ? do_raw_spin_unlock+0x53/0x220 [ 39.082820] ? _raw_spin_unlock+0x1e/0x40 [ 39.083566] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 39.084531] ? static_key_count+0x60/0x80 [ 39.085325] prctl_set_seccomp+0x4e/0x70 [ 39.086118] __do_sys_prctl+0xe6c/0x1d70 [ 39.086905] ? __pfx___do_sys_prctl+0x10/0x10 [ 39.087762] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 39.088737] ? irqentry_exit+0xf3/0x650 [ 39.089456] do_syscall_64+0xbf/0x430 [ 39.090202] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 39.091165] RIP: 0033:0x7f463029b5cd [ 39.091848] 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 [ 39.095006] RSP: 002b:00007ffda89621d0 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 39.096367] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f463029b5cd [ 39.097654] RDX: 0000556c94c8be00 RSI: 0000000000000002 RDI: 0000000000000016 [ 39.098960] RBP: 00007ffda8962230 R08: 0000000000000000 R09: 00007ffda89618d0 [ 39.100243] R10: 0000000000000000 R11: 0000000000000246 R12: 0000556ca11bbad0 [ 39.101523] R13: 00007ffda8962660 R14: 0000556ca11bcbc0 R15: 0000556ca11cd780 [ 39.102841] [ 39.103288] irq event stamp: 1865 [ 39.103929] hardirqs last enabled at (1875): [] __up_console_sem+0x78/0x80 [ 39.105452] hardirqs last disabled at (1884): [] __up_console_sem+0x5d/0x80 [ 39.106973] softirqs last enabled at (1496): [] handle_softirqs+0x50c/0x770 [ 39.108524] softirqs last disabled at (1491): [] __irq_exit_rcu+0xc4/0x100 [ 39.110044] ---[ end trace 0000000000000000 ]--- [ 41.835152] ------------[ cut here ]------------ [ 41.836085] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 41.838184] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#0: sshd/242 [ 41.839626] Modules linked in: [ 41.840289] CPU: 0 UID: 104 PID: 242 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251117 #1 PREEMPT(voluntary) [ 41.842280] Tainted: [W]=WARN [ 41.842909] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 41.844383] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 41.845297] 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 [ 41.848473] RSP: 0018:ffff88801a867bc0 EFLAGS: 00010286 [ 41.849451] RAX: 0000000000000000 RBX: ffffed100350cf78 RCX: ffffffff813a4050 [ 41.852050] RDX: ffff88800a96d340 RSI: ffffffff813a405e RDI: 0000000000000001 [ 41.855548] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed100350cf2f [ 41.856860] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 41.858168] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff88801a867df8 [ 41.859464] FS: 00007f714518e900(0000) GS:ffff8880e538f000(0000) knlGS:0000000000000000 [ 41.860897] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 41.861980] CR2: 00007f71456f44a6 CR3: 000000002053d000 CR4: 0000000000350ef0 [ 41.863252] Call Trace: [ 41.863757] [ 41.864173] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 41.865049] ? __create_object+0x59/0x80 [ 41.865827] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 41.866782] __vmalloc_noprof+0x59/0x60 [ 41.867489] bpf_prog_alloc_no_stats+0x55/0x470 [ 41.868340] ? __pfx_seccomp_check_filter+0x10/0x10 [ 41.869256] bpf_prog_alloc+0x39/0x200 [ 41.869985] ? __pfx_seccomp_check_filter+0x10/0x10 [ 41.870901] bpf_prog_create_from_user+0xb2/0x2f0 [ 41.871791] do_seccomp+0x349/0x25e0 [ 41.872461] ? find_held_lock+0x2b/0x80 [ 41.873217] ? do_prlimit+0x310/0x610 [ 41.873969] ? __pfx_do_seccomp+0x10/0x10 [ 41.874762] ? do_raw_spin_unlock+0x53/0x220 [ 41.875792] ? _raw_spin_unlock+0x1e/0x40 [ 41.876549] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 41.877764] ? static_key_count+0x60/0x80 [ 41.878627] prctl_set_seccomp+0x4e/0x70 [ 41.879405] __do_sys_prctl+0xe6c/0x1d70 [ 41.880442] ? __pfx___do_sys_prctl+0x10/0x10 [ 41.881310] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 41.882298] ? irqentry_exit+0xf3/0x650 [ 41.883065] do_syscall_64+0xbf/0x430 [ 41.883803] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 41.884821] RIP: 0033:0x7f71456805cd [ 41.885636] 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 [ 41.889216] RSP: 002b:00007fff6327c230 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 41.890747] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f71456805cd [ 41.892325] RDX: 000055eb3898ae00 RSI: 0000000000000002 RDI: 0000000000000016 [ 41.893615] RBP: 00007fff6327c290 R08: 0000000000000000 R09: 00007fff6327b930 [ 41.894919] R10: 0000000000000000 R11: 0000000000000246 R12: 000055eb789892b0 [ 41.896207] R13: 00007fff6327c6c0 R14: 000055eb7898bd20 R15: 000055eb7899d8d0 [ 41.897501] [ 41.897972] irq event stamp: 2049 [ 41.898583] hardirqs last enabled at (2057): [] __up_console_sem+0x78/0x80 [ 41.900344] hardirqs last disabled at (2068): [] __up_console_sem+0x5d/0x80 [ 41.902003] softirqs last enabled at (1984): [] handle_softirqs+0x50c/0x770 [ 41.903833] softirqs last disabled at (1977): [] __irq_exit_rcu+0xc4/0x100 [ 41.905440] ---[ end trace 0000000000000000 ]--- [ 42.477349] ------------[ cut here ]------------ [ 42.478219] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 42.480106] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#1: sshd/249 [ 42.481459] Modules linked in: [ 42.482267] CPU: 1 UID: 104 PID: 249 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251117 #1 PREEMPT(voluntary) [ 42.484132] Tainted: [W]=WARN [ 42.484589] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 42.485801] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 42.486517] 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 [ 42.489137] RSP: 0018:ffff888016f77bc0 EFLAGS: 00010286 [ 42.489944] RAX: 0000000000000000 RBX: ffffed1002deef78 RCX: ffffffff813a4050 [ 42.491003] RDX: ffff88800f550000 RSI: ffffffff813a405e RDI: 0000000000000001 [ 42.492058] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed1002deef2f [ 42.493111] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 42.494180] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff888016f77df8 [ 42.495234] FS: 00007f7ccf149900(0000) GS:ffff8880e548f000(0000) knlGS:0000000000000000 [ 42.496415] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 42.497287] CR2: 00007ffd11efeef8 CR3: 000000001ffa7000 CR4: 0000000000350ef0 [ 42.498353] Call Trace: [ 42.498769] [ 42.499109] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 42.499851] ? __create_object+0x59/0x80 [ 42.500470] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 42.501269] __vmalloc_noprof+0x59/0x60 [ 42.501910] bpf_prog_alloc_no_stats+0x55/0x470 [ 42.502603] ? __pfx_seccomp_check_filter+0x10/0x10 [ 42.503378] bpf_prog_alloc+0x39/0x200 [ 42.503984] ? __pfx_seccomp_check_filter+0x10/0x10 [ 42.504756] bpf_prog_create_from_user+0xb2/0x2f0 [ 42.505469] do_seccomp+0x349/0x25e0 [ 42.506076] ? find_held_lock+0x2b/0x80 [ 42.506701] ? do_prlimit+0x310/0x610 [ 42.507283] ? __pfx_do_seccomp+0x10/0x10 [ 42.507935] ? do_raw_spin_unlock+0x53/0x220 [ 42.508593] ? _raw_spin_unlock+0x1e/0x40 [ 42.509234] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 42.510046] ? static_key_count+0x60/0x80 [ 42.510711] prctl_set_seccomp+0x4e/0x70 [ 42.511316] __do_sys_prctl+0xe6c/0x1d70 [ 42.511964] ? __pfx___do_sys_prctl+0x10/0x10 [ 42.512644] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 42.513447] ? irqentry_exit+0xf3/0x650 [ 42.514086] do_syscall_64+0xbf/0x430 [ 42.514694] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 42.515445] RIP: 0033:0x7f7ccf63b5cd [ 42.516040] 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 [ 42.518700] RSP: 002b:00007ffd11efd080 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 42.519840] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f7ccf63b5cd [ 42.520904] RDX: 0000557f9e331e00 RSI: 0000000000000002 RDI: 0000000000000016 [ 42.521982] RBP: 00007ffd11efd0e0 R08: 0000000000000000 R09: 00007ffd11efc780 [ 42.523048] R10: 0000000000000000 R11: 0000000000000246 R12: 0000557fd89d8bf0 [ 42.524111] R13: 00007ffd11efd510 R14: 0000557fd89e2380 R15: 0000557fd89ed460 [ 42.525193] [ 42.525549] irq event stamp: 1801 [ 42.526100] hardirqs last enabled at (1811): [] __up_console_sem+0x78/0x80 [ 42.527371] hardirqs last disabled at (1820): [] __up_console_sem+0x5d/0x80 [ 42.528637] softirqs last enabled at (1724): [] handle_softirqs+0x50c/0x770 [ 42.529953] softirqs last disabled at (1719): [] __irq_exit_rcu+0xc4/0x100 [ 42.531221] ---[ end trace 0000000000000000 ]--- Warning: Permanently added '[localhost]:26400' (ECDSA) to the list of known hosts. 2025/11/17 11:16:27 fuzzer started 2025/11/17 11:16:28 dialing manager at localhost:37895 2025/11/17 11:16:28 checking machine... 2025/11/17 11:16:28 checking revisions... [ 43.368499] kmemleak: Automatic memory scanning thread ended 2025/11/17 11:16:28 testing simple program... [ 43.459854] cgroup: Unknown subsys name 'net' [ 43.514161] cgroup: Unknown subsys name 'cpuset' [ 43.528114] cgroup: Unknown subsys name 'rlimit' executing program executing program executing program VM DIAGNOSIS: 11:16:27 Registers: info registers vcpu 0 RAX=ffffffff86ac1461 RBX=0000000000000001 RCX=ffffffff86ac145c RDX=dffffc0000000000 RSI=ffffffff86ac1461 RDI=ffffffff8672bbf8 RBP=ffff888015aff9b0 RSP=ffff888015aff8e8 R8 =ffffffff86ac1426 R9 =0000000000000000 R10=000000000003c9ed R11=0000000000026e11 R12=ffff888015aff9b8 R13=ffff888015aff9a0 R14=ffff888015aff999 R15=ffff888015aff958 RIP=ffffffff8135e80d RFL=00000286 [--S--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 00007f623ccf5900 00000000 00000000 GS =0000 ffff8880e538f000 00000000 00000000 LDT=0000 fffffe5800000000 00000000 00000000 TR =0040 fffffe0000003000 00004087 00008b00 DPL=0 TSS64-busy GDT= fffffe0000001000 0000007f IDT= fffffe0000000000 00000fff CR0=80050033 CR2=00007f623c40c000 CR3=000000000dd0b000 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=ffffffffffffffffffffffffffffffff XMM01=30306234386136303638616663356134 XMM02=38303062343861363036386166633561 XMM03=2f6c616e72756f6a2f676f6c2f6e7572 XMM04=49cfe31ec97e708100000000000ae988 XMM05=0fa990cfbed8332d0000000000321000 XMM06=090f1556b20111b3000000000031fe98 XMM07=00000000000000000000000000000000 XMM08=415453454d49545f454d49544c414552 XMM09=00000000000000000000000000000000 XMM10=20200000000020202020202020200000 XMM11=00000000000000000000000000000000 XMM12=00000000000000000000000000000000 XMM13=00000000000000000000000000000000 XMM14=00000000000000000000000000000000 XMM15=00000000000000000000000000000000 info registers vcpu 1 RAX=00000000000255da RBX=0000000000000001 RCX=ffffffff81b2a133 RDX=00000000000255e7 RSI=000000000000b2a1 RDI=ffffffff86ab832a RBP=ffff888015eb79c0 RSP=ffff888015eb78f8 R8 =ffffffff86ab82dc R9 =0000000000000000 R10=000000000003c9ed R11=00000000000255da R12=ffff888015eb79c8 R13=ffff888015eb79b0 R14=ffff888015eb79a9 R15=ffff888015eb7968 RIP=ffffffff8135e6d6 RFL=00000283 [--S---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 00007f714518e900 00000000 00000000 GS =0000 ffff8880e548f000 00000000 00000000 LDT=0000 fffffe0600000000 00000000 00000000 TR =0040 fffffe000004a000 00004087 00008b00 DPL=0 TSS64-busy GDT= fffffe0000048000 0000007f IDT= fffffe0000000000 00000fff CR0=80050033 CR2=00007fff63276000 CR3=00000000205b5000 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