syzkaller login: [ 46.009975] ------------[ cut here ]------------ [ 46.010902] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 46.012955] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#1: sshd/234 [ 46.014431] Modules linked in: [ 46.015036] CPU: 1 UID: 104 PID: 234 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251118 #1 PREEMPT(voluntary) [ 46.018313] Tainted: [W]=WARN [ 46.018880] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 46.020385] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 46.021319] 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 [ 46.024542] RSP: 0018:ffff888016877bc0 EFLAGS: 00010286 [ 46.025534] RAX: 0000000000000000 RBX: ffffed1002d0ef78 RCX: ffffffff813a4050 [ 46.026821] RDX: ffff888017565340 RSI: ffffffff813a405e RDI: 0000000000000001 [ 46.028142] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed1002d0ef2f [ 46.029438] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 46.030748] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff888016877df8 [ 46.032051] FS: 00007fbfe7cd4900(0000) GS:ffff8880e548f000(0000) knlGS:0000000000000000 [ 46.033505] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 46.034570] CR2: 00007fbfe81c6580 CR3: 0000000009b97000 CR4: 0000000000350ef0 [ 46.035866] Call Trace: [ 46.036401] [ 46.036820] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 46.037740] ? __create_object+0x59/0x80 [ 46.038546] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 46.039533] __vmalloc_noprof+0x59/0x60 [ 46.040319] bpf_prog_alloc_no_stats+0x55/0x470 [ 46.041210] ? __pfx_seccomp_check_filter+0x10/0x10 [ 46.042107] bpf_prog_alloc+0x39/0x200 [ 46.042868] ? __pfx_seccomp_check_filter+0x10/0x10 [ 46.043815] bpf_prog_create_from_user+0xb2/0x2f0 [ 46.044719] do_seccomp+0x349/0x25e0 [ 46.045441] ? __pfx_css_rstat_updated+0x10/0x10 [ 46.046337] ? __pfx_do_seccomp+0x10/0x10 [ 46.047092] ? find_held_lock+0x2b/0x80 [ 46.047877] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 46.048900] ? static_key_count+0x60/0x80 [ 46.049728] prctl_set_seccomp+0x4e/0x70 [ 46.050514] __do_sys_prctl+0xe6c/0x1d70 [ 46.051326] ? __pfx___do_sys_prctl+0x10/0x10 [ 46.052204] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 46.053197] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 46.054189] ? irqentry_exit+0xf3/0x650 [ 46.054914] do_syscall_64+0xbf/0x430 [ 46.055653] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 46.056644] RIP: 0033:0x7fbfe81c65cd [ 46.057363] 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 [ 46.060661] RSP: 002b:00007ffed21323e0 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 46.062037] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007fbfe81c65cd [ 46.063352] RDX: 000055a04a8dde00 RSI: 0000000000000002 RDI: 0000000000000016 [ 46.064657] RBP: 00007ffed2132440 R08: 0000000000000000 R09: 00007ffed2131ae0 [ 46.065959] R10: 0000000000000000 R11: 0000000000000246 R12: 000055a0744c82b0 [ 46.067265] R13: 00007ffed2132870 R14: 000055a0744cad20 R15: 000055a0744dc8d0 [ 46.068588] [ 46.069019] irq event stamp: 1995 [ 46.069679] hardirqs last enabled at (2005): [] __up_console_sem+0x78/0x80 [ 46.071247] hardirqs last disabled at (2014): [] __up_console_sem+0x5d/0x80 [ 46.072797] softirqs last enabled at (1520): [] handle_softirqs+0x50c/0x770 [ 46.074349] softirqs last disabled at (1243): [] __irq_exit_rcu+0xc4/0x100 [ 46.075868] ---[ end trace 0000000000000000 ]--- [ 49.375505] ------------[ cut here ]------------ [ 49.376431] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 49.378400] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#1: sshd/242 [ 49.379841] Modules linked in: [ 49.380486] CPU: 1 UID: 104 PID: 242 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251118 #1 PREEMPT(voluntary) [ 49.382662] Tainted: [W]=WARN [ 49.383576] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 49.385054] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 49.385946] 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 [ 49.389065] RSP: 0018:ffff888018b37bc0 EFLAGS: 00010286 [ 49.390015] RAX: 0000000000000000 RBX: ffffed1003166f78 RCX: ffffffff813a4050 [ 49.391278] RDX: ffff88801c1f5340 RSI: ffffffff813a405e RDI: 0000000000000001 [ 49.392549] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed1003166f2f [ 49.393811] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 49.395058] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff888018b37df8 [ 49.396341] FS: 00007fd068064900(0000) GS:ffff8880e548f000(0000) knlGS:0000000000000000 [ 49.397748] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 49.398788] CR2: 00007fd068556580 CR3: 0000000020b18000 CR4: 0000000000350ef0 [ 49.400051] Call Trace: [ 49.400550] [ 49.400952] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 49.401836] ? __create_object+0x59/0x80 [ 49.402610] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 49.403553] __vmalloc_noprof+0x59/0x60 [ 49.404309] bpf_prog_alloc_no_stats+0x55/0x470 [ 49.405112] ? __pfx_seccomp_check_filter+0x10/0x10 [ 49.406022] bpf_prog_alloc+0x39/0x200 [ 49.406764] ? __pfx_seccomp_check_filter+0x10/0x10 [ 49.407684] bpf_prog_create_from_user+0xb2/0x2f0 [ 49.408573] do_seccomp+0x349/0x25e0 [ 49.409278] ? __pfx_css_rstat_updated+0x10/0x10 [ 49.410109] ? __pfx_do_seccomp+0x10/0x10 [ 49.410876] ? find_held_lock+0x2b/0x80 [ 49.411617] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 49.412576] ? static_key_count+0x60/0x80 [ 49.413360] prctl_set_seccomp+0x4e/0x70 [ 49.414070] __do_sys_prctl+0xe6c/0x1d70 [ 49.414828] ? __pfx___do_sys_prctl+0x10/0x10 [ 49.415665] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 49.416630] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 49.417578] ? irqentry_exit+0xf3/0x650 [ 49.418334] do_syscall_64+0xbf/0x430 [ 49.419022] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 49.419969] RIP: 0033:0x7fd0685565cd [ 49.420667] 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 [ 49.423796] RSP: 002b:00007ffeaeda11b0 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 49.425138] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007fd0685565cd [ 49.426387] RDX: 000055ab9b4f3e00 RSI: 0000000000000002 RDI: 0000000000000016 [ 49.427656] RBP: 00007ffeaeda1210 R08: 0000000000000000 R09: 00007ffeaeda08b0 [ 49.428942] R10: 0000000000000000 R11: 0000000000000246 R12: 000055abd1b4cbf0 [ 49.430188] R13: 00007ffeaeda1640 R14: 000055abd1b56380 R15: 000055abd1b61460 [ 49.431460] [ 49.431873] irq event stamp: 1831 [ 49.432534] hardirqs last enabled at (1841): [] __up_console_sem+0x78/0x80 [ 49.434034] hardirqs last disabled at (1850): [] __up_console_sem+0x5d/0x80 [ 49.435526] softirqs last enabled at (1790): [] handle_softirqs+0x50c/0x770 [ 49.437050] softirqs last disabled at (1785): [] __irq_exit_rcu+0xc4/0x100 [ 49.438528] ---[ end trace 0000000000000000 ]--- [ 50.236397] ------------[ cut here ]------------ [ 50.237404] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 50.239547] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#1: sshd/249 [ 50.241109] Modules linked in: [ 50.241764] CPU: 1 UID: 104 PID: 249 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251118 #1 PREEMPT(voluntary) [ 50.243866] Tainted: [W]=WARN [ 50.244510] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 50.246059] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 50.247023] 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 [ 50.250709] RSP: 0018:ffff88801408fbc0 EFLAGS: 00010286 [ 50.251815] RAX: 0000000000000000 RBX: ffffed1002811f78 RCX: ffffffff813a4050 [ 50.253188] RDX: ffff888009885340 RSI: ffffffff813a405e RDI: 0000000000000001 [ 50.254541] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed1002811f2f [ 50.255908] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 50.257298] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff88801408fdf8 [ 50.258674] FS: 00007f58fa771900(0000) GS:ffff8880e548f000(0000) knlGS:0000000000000000 [ 50.260237] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 50.261443] CR2: 00007f58fac63580 CR3: 000000001cb90000 CR4: 0000000000350ef0 [ 50.262841] Call Trace: [ 50.263375] [ 50.263820] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 50.264778] ? __create_object+0x59/0x80 [ 50.265609] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 50.266629] __vmalloc_noprof+0x59/0x60 [ 50.267444] bpf_prog_alloc_no_stats+0x55/0x470 [ 50.268492] ? __pfx_seccomp_check_filter+0x10/0x10 [ 50.269514] bpf_prog_alloc+0x39/0x200 [ 50.270326] ? __pfx_seccomp_check_filter+0x10/0x10 [ 50.271347] bpf_prog_create_from_user+0xb2/0x2f0 [ 50.272334] do_seccomp+0x349/0x25e0 [ 50.273067] ? __pfx_css_rstat_updated+0x10/0x10 [ 50.274027] ? __pfx_do_seccomp+0x10/0x10 [ 50.274876] ? find_held_lock+0x2b/0x80 [ 50.275688] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 50.276791] ? static_key_count+0x60/0x80 [ 50.277653] prctl_set_seccomp+0x4e/0x70 [ 50.278487] __do_sys_prctl+0xe6c/0x1d70 [ 50.279305] ? __pfx___do_sys_prctl+0x10/0x10 [ 50.280214] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 50.281246] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 50.282285] ? irqentry_exit+0xf3/0x650 [ 50.283055] do_syscall_64+0xbf/0x430 [ 50.283855] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 50.284877] RIP: 0033:0x7f58fac635cd [ 50.285629] 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 [ 50.289084] RSP: 002b:00007fff71a98030 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 50.290551] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f58fac635cd [ 50.291942] RDX: 000055bc99979e00 RSI: 0000000000000002 RDI: 0000000000000016 [ 50.293254] RBP: 00007fff71a98090 R08: 0000000000000000 R09: 00007fff71a97730 [ 50.294423] R10: 0000000000000000 R11: 0000000000000246 R12: 000055bccf60dbf0 [ 50.295607] R13: 00007fff71a984c0 R14: 000055bccf617380 R15: 000055bccf622460 [ 50.296808] [ 50.297243] irq event stamp: 1811 [ 50.297801] hardirqs last enabled at (1819): [] __up_console_sem+0x78/0x80 [ 50.299200] hardirqs last disabled at (1828): [] __up_console_sem+0x5d/0x80 [ 50.300606] softirqs last enabled at (1386): [] handle_softirqs+0x50c/0x770 [ 50.302033] softirqs last disabled at (1365): [] __irq_exit_rcu+0xc4/0x100 [ 50.303424] ---[ end trace 0000000000000000 ]--- Warning: Permanently added '[localhost]:30913' (ECDSA) to the list of known hosts. 2025/11/18 15:12:44 fuzzer started 2025/11/18 15:12:45 dialing manager at localhost:34383 2025/11/18 15:12:45 checking machine... 2025/11/18 15:12:45 checking revisions... [ 51.165462] kmemleak: Automatic memory scanning thread ended 2025/11/18 15:12:45 testing simple program... [ 51.251420] cgroup: Unknown subsys name 'net' [ 51.327366] cgroup: Unknown subsys name 'cpuset' [ 51.344160] cgroup: Unknown subsys name 'rlimit' executing program executing program executing program VM DIAGNOSIS: 15:12:44 Registers: info registers vcpu 0 RAX=fffffbfff10b3070 RBX=0000000000000005 RCX=ffffffff8163344a RDX=fffffbfff10b3075 RSI=0000000000000118 RDI=ffffffff88598290 RBP=fffffbfff10b3052 RSP=ffff88806ce084e8 R8 =0000000000000000 R9 =fffffbfff10b3074 R10=ffffffff885983a7 R11=0000000000000000 R12=0000000000000006 R13=ffffffff88598178 R14=0000000b9c1b232f R15=000000000035980e RIP=ffffffff81b2d217 RFL=00000046 [---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 00007fd068064900 00000000 00000000 GS =0000 ffff8880e538f000 00000000 00000000 LDT=0000 fffffe2800000000 00000000 00000000 TR =0040 fffffe0000003000 00004087 00008b00 DPL=0 TSS64-busy GDT= fffffe0000001000 0000007f IDT= fffffe0000000000 00000fff CR0=80050033 CR2=00007ffeaed99ff8 CR3=000000000e36c000 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=635f6e6f69737365733a4d41503d706f XMM01=6f6c5f6d61702c78756e696c65735f6d XMM02=61702c74696d7265705f6d61702c7469 XMM03=655f6d61702c7374696d696c5f6d6170 XMM04=3d6c616e696d72657420322e322e302e XMM05=3d656d616e74736f682022646873732f XMM06=746f6f72223d746363612078756e696c XMM07=6e655f6d61702c7374696d696c5f6d61 XMM08=652075253d64692073253d706f000000 XMM09=00000000000000000000000000000000 XMM10=00000000000000000000000000000000 XMM11=00000000000000000000000000000000 XMM12=00000000000000000000000000000000 XMM13=00000000000000000000000000000000 XMM14=00000000000000000000000000000000 XMM15=00000000000000000000000000000000 info registers vcpu 1 RAX=ffff8880096fb780 RBX=0000000000000000 RCX=0000000000000001 RDX=0000000000000000 RSI=ffffffff8135e4bd RDI=fffffbfff0bc3ffc RBP=ffffffff85e1ffe0 RSP=ffff888009757758 R8 =0000000000000000 R9 =0000000000000000 R10=000000000003c9ed R11=000000000000aed8 R12=0000000000000002 R13=0000000000000000 R14=0000000000000000 R15=0000000000000246 RIP=ffffffff81529332 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 0000000000000000 00000000 00000000 GS =0000 ffff8880e548f000 00000000 00000000 LDT=0000 fffffe1900000000 00000000 00000000 TR =0040 fffffe000004a000 00004087 00008b00 DPL=0 TSS64-busy GDT= fffffe0000048000 0000007f IDT= fffffe0000000000 00000fff CR0=80050033 CR2=00007fff36a2b708 CR3=000000000e316000 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=6d6f72662064657463656e6e6f637369 XMM02=2e303120746f6f722072657375206d6f XMM03=3a5d3134325b646873732034343a3231 XMM04=6456774875434142334f726f59427469 XMM05=485320415352203a3268737320323532 XMM06=206d6f726620746f6f7220726f662079 XMM07=00000000000000000000000000000000 XMM08=3a677562656420676f6c737973720000 XMM09=00000000000000000000000000000000 XMM10=00000000000000000000000000000000 XMM11=00000000000000000000000000000000 XMM12=00000000000000000000000000000000 XMM13=00000000000000000000000000000000 XMM14=00000000000000000000000000000000 XMM15=00000000000000000000000000000000