syzkaller login: [ 38.998966] ------------[ cut here ]------------ [ 38.999931] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 39.001952] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#1: sshd/233 [ 39.003441] Modules linked in: [ 39.004097] CPU: 1 UID: 104 PID: 233 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251118 #1 PREEMPT(voluntary) [ 39.006446] Tainted: [W]=WARN [ 39.007159] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 39.008672] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 39.009583] 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 [ 39.012944] RSP: 0018:ffff888016d6fbc0 EFLAGS: 00010286 [ 39.013934] RAX: 0000000000000000 RBX: ffffed1002dadf78 RCX: ffffffff813a4050 [ 39.015222] RDX: ffff888015f40000 RSI: ffffffff813a405e RDI: 0000000000000001 [ 39.016535] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed1002dadf2f [ 39.017833] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 39.019094] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff888016d6fdf8 [ 39.020407] FS: 00007f8d70f5a900(0000) GS:ffff8880e548f000(0000) knlGS:0000000000000000 [ 39.021825] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 39.022896] CR2: 00007fffc352eef7 CR3: 000000000d7e5000 CR4: 0000000000350ef0 [ 39.024199] Call Trace: [ 39.024669] [ 39.025132] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 39.026049] ? __create_object+0x59/0x80 [ 39.026852] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 39.027828] __vmalloc_noprof+0x59/0x60 [ 39.028539] bpf_prog_alloc_no_stats+0x55/0x470 [ 39.029393] ? __pfx_seccomp_check_filter+0x10/0x10 [ 39.030308] bpf_prog_alloc+0x39/0x200 [ 39.031042] ? __pfx_seccomp_check_filter+0x10/0x10 [ 39.031968] bpf_prog_create_from_user+0xb2/0x2f0 [ 39.032860] do_seccomp+0x349/0x25e0 [ 39.033524] ? find_held_lock+0x2b/0x80 [ 39.034273] ? do_prlimit+0x310/0x610 [ 39.034992] ? __pfx_do_seccomp+0x10/0x10 [ 39.035779] ? do_raw_spin_unlock+0x53/0x220 [ 39.036549] ? _raw_spin_unlock+0x1e/0x40 [ 39.037312] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 39.038244] ? static_key_count+0x60/0x80 [ 39.039034] prctl_set_seccomp+0x4e/0x70 [ 39.039804] __do_sys_prctl+0xe6c/0x1d70 [ 39.040521] ? __pfx___do_sys_prctl+0x10/0x10 [ 39.041365] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 39.042317] ? irqentry_exit+0xf3/0x650 [ 39.043087] do_syscall_64+0xbf/0x430 [ 39.043813] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 39.044733] RIP: 0033:0x7f8d7144c5cd [ 39.045380] 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 [ 39.048460] RSP: 002b:00007fffc352c8f0 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 39.049604] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f8d7144c5cd [ 39.050650] RDX: 000056108dc03e00 RSI: 0000000000000002 RDI: 0000000000000016 [ 39.051753] RBP: 00007fffc352c950 R08: 0000000000000000 R09: 00007fffc352bff0 [ 39.052828] R10: 0000000000000000 R11: 0000000000000246 R12: 000056108f6e4ad0 [ 39.053897] R13: 00007fffc352cd80 R14: 000056108f6e5bc0 R15: 000056108f6f6780 [ 39.054974] [ 39.055331] irq event stamp: 1849 [ 39.055877] hardirqs last enabled at (1859): [] __up_console_sem+0x78/0x80 [ 39.057124] hardirqs last disabled at (1868): [] __up_console_sem+0x5d/0x80 [ 39.058383] softirqs last enabled at (1734): [] handle_softirqs+0x50c/0x770 [ 39.059667] softirqs last disabled at (1729): [] __irq_exit_rcu+0xc4/0x100 [ 39.060934] ---[ end trace 0000000000000000 ]--- [ 41.889028] ------------[ cut here ]------------ [ 41.889935] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 41.891854] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#1: sshd/242 [ 41.893280] Modules linked in: [ 41.893905] CPU: 1 UID: 104 PID: 242 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251118 #1 PREEMPT(voluntary) [ 41.895840] Tainted: [W]=WARN [ 41.896380] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 41.897802] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 41.898638] 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 [ 41.901684] RSP: 0018:ffff8880178cfbc0 EFLAGS: 00010286 [ 41.902623] RAX: 0000000000000000 RBX: ffffed1002f19f78 RCX: ffffffff813a4050 [ 41.903862] RDX: ffff88801a0cd340 RSI: ffffffff813a405e RDI: 0000000000000001 [ 41.905100] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed1002f19f2f [ 41.906332] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 41.907563] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff8880178cfdf8 [ 41.908824] FS: 00007f237b618900(0000) GS:ffff8880e548f000(0000) knlGS:0000000000000000 [ 41.910218] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 41.911241] CR2: 00007ffc49176ef7 CR3: 000000001f721000 CR4: 0000000000350ef0 [ 41.912508] Call Trace: [ 41.913008] [ 41.913411] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 41.914270] ? __create_object+0x59/0x80 [ 41.915034] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 41.915987] __vmalloc_noprof+0x59/0x60 [ 41.916684] bpf_prog_alloc_no_stats+0x55/0x470 [ 41.917530] ? __pfx_seccomp_check_filter+0x10/0x10 [ 41.918426] bpf_prog_alloc+0x39/0x200 [ 41.919141] ? __pfx_seccomp_check_filter+0x10/0x10 [ 41.920048] bpf_prog_create_from_user+0xb2/0x2f0 [ 41.920932] do_seccomp+0x349/0x25e0 [ 41.921592] ? find_held_lock+0x2b/0x80 [ 41.922328] ? do_prlimit+0x310/0x610 [ 41.923046] ? __pfx_do_seccomp+0x10/0x10 [ 41.923827] ? do_raw_spin_unlock+0x53/0x220 [ 41.924594] ? _raw_spin_unlock+0x1e/0x40 [ 41.925343] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 41.926282] ? static_key_count+0x60/0x80 [ 41.927072] prctl_set_seccomp+0x4e/0x70 [ 41.927837] __do_sys_prctl+0xe6c/0x1d70 [ 41.928545] ? __pfx___do_sys_prctl+0x10/0x10 [ 41.929381] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 41.930324] ? irqentry_exit+0xf3/0x650 [ 41.931058] do_syscall_64+0xbf/0x430 [ 41.931778] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 41.932662] RIP: 0033:0x7f237bb0a5cd [ 41.933346] 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 [ 41.936425] RSP: 002b:00007ffc491746f0 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 41.937739] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f237bb0a5cd [ 41.938965] RDX: 000055bc22ec1e00 RSI: 0000000000000002 RDI: 0000000000000016 [ 41.940201] RBP: 00007ffc49174750 R08: 0000000000000000 R09: 00007ffc49173df0 [ 41.941428] R10: 0000000000000000 R11: 0000000000000246 R12: 000055bc573ddbf0 [ 41.942663] R13: 00007ffc49174b80 R14: 000055bc573e7380 R15: 000055bc573f2460 [ 41.943960] [ 41.944373] irq event stamp: 1693 [ 41.945005] hardirqs last enabled at (1703): [] __up_console_sem+0x78/0x80 [ 41.946478] hardirqs last disabled at (1712): [] __up_console_sem+0x5d/0x80 [ 41.947959] softirqs last enabled at (1394): [] handle_softirqs+0x50c/0x770 [ 41.949448] softirqs last disabled at (1389): [] __irq_exit_rcu+0xc4/0x100 [ 41.950916] ---[ end trace 0000000000000000 ]--- [ 42.640426] ------------[ cut here ]------------ [ 42.641432] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 42.642526] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#0: sshd/250 [ 42.643263] Modules linked in: [ 42.643562] CPU: 0 UID: 104 PID: 250 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251118 #1 PREEMPT(voluntary) [ 42.644573] Tainted: [W]=WARN [ 42.644872] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 42.645588] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 42.646043] 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 [ 42.647629] RSP: 0018:ffff888009f3fbc0 EFLAGS: 00010286 [ 42.648115] RAX: 0000000000000000 RBX: ffffed10013e7f78 RCX: ffffffff813a4050 [ 42.648752] RDX: ffff888016bd3780 RSI: ffffffff813a405e RDI: 0000000000000001 [ 42.649373] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed10013e7f2f [ 42.650010] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 42.650638] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff888009f3fdf8 [ 42.651309] FS: 00007f8088fb3900(0000) GS:ffff8880e538f000(0000) knlGS:0000000000000000 [ 42.652071] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 42.652583] CR2: 00007f80894a5580 CR3: 000000001db26000 CR4: 0000000000350ef0 [ 42.653217] Call Trace: [ 42.653451] [ 42.653655] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 42.654099] ? __create_object+0x59/0x80 [ 42.654473] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 42.654960] __vmalloc_noprof+0x59/0x60 [ 42.655320] bpf_prog_alloc_no_stats+0x55/0x470 [ 42.655767] ? __pfx_seccomp_check_filter+0x10/0x10 [ 42.656218] bpf_prog_alloc+0x39/0x200 [ 42.656559] ? __pfx_seccomp_check_filter+0x10/0x10 [ 42.657025] bpf_prog_create_from_user+0xb2/0x2f0 [ 42.657458] do_seccomp+0x349/0x25e0 [ 42.657817] ? __pfx_css_rstat_updated+0x10/0x10 [ 42.658250] ? __pfx_do_seccomp+0x10/0x10 [ 42.658620] ? find_held_lock+0x2b/0x80 [ 42.659003] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 42.659468] ? static_key_count+0x60/0x80 [ 42.659880] prctl_set_seccomp+0x4e/0x70 [ 42.660250] __do_sys_prctl+0xe6c/0x1d70 [ 42.660621] ? __pfx___do_sys_prctl+0x10/0x10 [ 42.661051] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 42.661525] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 42.662016] ? irqentry_exit+0xf3/0x650 [ 42.662379] do_syscall_64+0xbf/0x430 [ 42.662751] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 42.663207] RIP: 0033:0x7f80894a55cd [ 42.663534] 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 [ 42.665135] RSP: 002b:00007ffd4eec55f0 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 42.665815] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f80894a55cd [ 42.666433] RDX: 000055612b7c5e00 RSI: 0000000000000002 RDI: 0000000000000016 [ 42.667069] RBP: 00007ffd4eec5650 R08: 0000000000000000 R09: 00007ffd4eec4cf0 [ 42.667717] R10: 0000000000000000 R11: 0000000000000246 R12: 0000556166383bf0 [ 42.668339] R13: 00007ffd4eec5a80 R14: 000055616638d380 R15: 0000556166398460 [ 42.668980] [ 42.669194] irq event stamp: 1991 [ 42.669496] hardirqs last enabled at (1999): [] __up_console_sem+0x78/0x80 [ 42.670253] hardirqs last disabled at (2008): [] __up_console_sem+0x5d/0x80 [ 42.671012] softirqs last enabled at (1552): [] handle_softirqs+0x50c/0x770 [ 42.671794] softirqs last disabled at (1537): [] __irq_exit_rcu+0xc4/0x100 [ 42.672532] ---[ end trace 0000000000000000 ]--- Warning: Permanently added '[localhost]:47793' (ECDSA) to the list of known hosts. 2025/11/19 05:56:24 fuzzer started 2025/11/19 05:56:24 dialing manager at localhost:34383 2025/11/19 05:56:24 checking machine... 2025/11/19 05:56:24 checking revisions... [ 43.396592] kmemleak: Automatic memory scanning thread ended 2025/11/19 05:56:24 testing simple program... [ 43.470892] cgroup: Unknown subsys name 'net' [ 43.527920] cgroup: Unknown subsys name 'cpuset' [ 43.540867] cgroup: Unknown subsys name 'rlimit' executing program executing program executing program VM DIAGNOSIS: 05:56:24 Registers: info registers vcpu 0 RAX=0000000000042593 RBX=0000000000000000 RCX=ffffffff84c72d57 RDX=0000000000000000 RSI=0000000000000000 RDI=ffffffff814d2c90 RBP=dffffc0000000000 RSP=ffffffff85c07e00 R8 =0000000000000001 R9 =ffffed100d9c639a R10=ffff88806ce31cd3 R11=0000000000000001 R12=ffffffff8664f850 R13=1ffffffff0b80fc7 R14=0000000000000000 R15=0000000000000000 RIP=ffffffff84c7174e RFL=00000206 [-----P-] 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 fffffe0b00000000 00000000 00000000 TR =0040 fffffe0000003000 00004087 00008b00 DPL=0 TSS64-busy GDT= fffffe0000001000 0000007f IDT= fffffe0000000000 00000fff CR0=80050033 CR2=00007f652b42b000 CR3=000000000cb8e000 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=cfb0141141dd8ba11c471c5a253b741c XMM02=0000000000302098ec2efd57dc4c00df XMM03=000000000030fd60a09716ddaa94f3c9 XMM04=48947d98ad58d09b00000000000ae988 XMM05=090f1556b20111b30000000000320728 XMM06=1afea551cb34f663000000000031a4b8 XMM07=e042d86d42eb936e0000000000310038 XMM08=a09716ddaa94f3c900000000003020f8 XMM09=00000000000000000000000000000000 XMM10=20200000000020202020202020200000 XMM11=00000000000000000000000000000000 XMM12=00000000000000000000000000000000 XMM13=00000000000000000000000000000000 XMM14=00000000000000000000000000000000 XMM15=00000000000000000000000000000000 info registers vcpu 1 RAX=dffffc0000000000 RBX=ffffffff81619130 RCX=ffff88806cf089a4 RDX=1ffff1100d9e1155 RSI=ffffffff813c14f4 RDI=ffff88806cf08b18 RBP=ffff88806cf08ae8 RSP=ffff88806cf08a40 R8 =0000000000000001 R9 =ffff88806cf08a90 R10=000000000003c9ed R11=0000000000008964 R12=ffff88806cf08b18 R13=0000000000000000 R14=ffff88801a0a8000 R15=ffff888009462280 RIP=ffffffff8161913f RFL=00000282 [--S----] 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 00007f237b618900 00000000 00000000 GS =0000 ffff8880e548f000 00000000 00000000 LDT=0000 fffffe6300000000 00000000 00000000 TR =0040 fffffe000004a000 00004087 00008b00 DPL=0 TSS64-busy GDT= fffffe0000048000 0000007f IDT= fffffe0000000000 00000fff CR0=80050033 CR2=00007f237b5f7020 CR3=000000001d82c000 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=652022746f6f72223d74636361207469 XMM02=3d6c616e696d72657420322e322e302e XMM03=3d656d616e74736f682022646873732f XMM04=40404040404040404040404040404040 XMM05=5a5a5a5a5a5a5a5a5a5a5a5a5a5a5a5a XMM06=20202020202020202020202020202020 XMM07=00000000000000000000000000000000 XMM08=652075253d64692073253d706f000000 XMM09=00000000000000000000000000000000 XMM10=00000000000000000000000000000000 XMM11=00000000000000000000000000000000 XMM12=00000000000000000000000000000000 XMM13=00000000000000000000000000000000 XMM14=00000000000000000000000000000000 XMM15=00000000000000000000000000000000