syzkaller login: [ 54.025049] ------------[ cut here ]------------ [ 54.025973] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 54.028031] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#1: sshd/242 [ 54.029473] Modules linked in: [ 54.030115] CPU: 1 UID: 104 PID: 242 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251117 #1 PREEMPT(voluntary) [ 54.032325] Tainted: [W]=WARN [ 54.033388] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 54.034905] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 54.035829] 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 [ 54.039005] RSP: 0018:ffff8880179c7bc0 EFLAGS: 00010286 [ 54.039976] RAX: 0000000000000000 RBX: ffffed1002f38f78 RCX: ffffffff813a4050 [ 54.041264] RDX: ffff888019e10000 RSI: ffffffff813a405e RDI: 0000000000000001 [ 54.042548] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed1002f38f2f [ 54.043814] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 54.045079] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff8880179c7df8 [ 54.046362] FS: 00007fbc96e22900(0000) GS:ffff8880e548f000(0000) knlGS:0000000000000000 [ 54.047801] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 54.048867] CR2: 00007fbc97314580 CR3: 000000000cdd4000 CR4: 0000000000350ef0 [ 54.050167] Call Trace: [ 54.050632] [ 54.051083] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 54.051965] ? __create_object+0x59/0x80 [ 54.052708] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 54.053668] __vmalloc_noprof+0x59/0x60 [ 54.054440] bpf_prog_alloc_no_stats+0x55/0x470 [ 54.055311] ? __pfx_seccomp_check_filter+0x10/0x10 [ 54.056239] bpf_prog_alloc+0x39/0x200 [ 54.056960] ? __pfx_seccomp_check_filter+0x10/0x10 [ 54.057893] bpf_prog_create_from_user+0xb2/0x2f0 [ 54.058761] do_seccomp+0x349/0x25e0 [ 54.059485] ? __pfx_css_rstat_updated+0x10/0x10 [ 54.060375] ? __pfx_do_seccomp+0x10/0x10 [ 54.061165] ? find_held_lock+0x2b/0x80 [ 54.061940] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 54.062900] ? static_key_count+0x60/0x80 [ 54.063663] prctl_set_seccomp+0x4e/0x70 [ 54.064427] __do_sys_prctl+0xe6c/0x1d70 [ 54.065199] ? __pfx___do_sys_prctl+0x10/0x10 [ 54.066060] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 54.067026] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 54.067996] ? irqentry_exit+0xf3/0x650 [ 54.068735] do_syscall_64+0xbf/0x430 [ 54.069477] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 54.070436] RIP: 0033:0x7fbc973145cd [ 54.071136] 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 [ 54.074315] RSP: 002b:00007ffd0c746200 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 54.075672] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007fbc973145cd [ 54.076947] RDX: 000055b43843de00 RSI: 0000000000000002 RDI: 0000000000000016 [ 54.078252] RBP: 00007ffd0c746260 R08: 0000000000000000 R09: 00007ffd0c745900 [ 54.079523] R10: 0000000000000000 R11: 0000000000000246 R12: 000055b44410aad0 [ 54.080792] R13: 00007ffd0c746690 R14: 000055b44410bbc0 R15: 000055b44411c780 [ 54.082090] [ 54.082516] irq event stamp: 1879 [ 54.083166] hardirqs last enabled at (1889): [] __up_console_sem+0x78/0x80 [ 54.084668] hardirqs last disabled at (1898): [] __up_console_sem+0x5d/0x80 [ 54.086200] softirqs last enabled at (1426): [] handle_softirqs+0x50c/0x770 [ 54.087506] softirqs last disabled at (1421): [] __irq_exit_rcu+0xc4/0x100 [ 54.088758] ---[ end trace 0000000000000000 ]--- [ 57.242984] ------------[ cut here ]------------ [ 57.243914] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 57.245972] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#1: sshd/250 [ 57.247456] Modules linked in: [ 57.248093] CPU: 1 UID: 104 PID: 250 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251117 #1 PREEMPT(voluntary) [ 57.250104] Tainted: [W]=WARN [ 57.250661] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 57.252125] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 57.253044] 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 [ 57.256220] RSP: 0018:ffff888016a47bc0 EFLAGS: 00010286 [ 57.257197] RAX: 0000000000000000 RBX: ffffed1002d48f78 RCX: ffffffff813a4050 [ 57.258490] RDX: ffff888014683780 RSI: ffffffff813a405e RDI: 0000000000000001 [ 57.259809] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed1002d48f2f [ 57.261098] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 57.262401] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff888016a47df8 [ 57.263692] FS: 00007f270e365900(0000) GS:ffff8880e548f000(0000) knlGS:0000000000000000 [ 57.265107] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 57.266166] CR2: 00007f270e857580 CR3: 000000001f295000 CR4: 0000000000350ef0 [ 57.267453] Call Trace: [ 57.267957] [ 57.268370] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 57.269268] ? __create_object+0x59/0x80 [ 57.270060] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 57.271018] __vmalloc_noprof+0x59/0x60 [ 57.271727] bpf_prog_alloc_no_stats+0x55/0x470 [ 57.272611] ? __pfx_seccomp_check_filter+0x10/0x10 [ 57.273542] bpf_prog_alloc+0x39/0x200 [ 57.274305] ? __pfx_seccomp_check_filter+0x10/0x10 [ 57.275257] bpf_prog_create_from_user+0xb2/0x2f0 [ 57.276185] do_seccomp+0x349/0x25e0 [ 57.276927] ? __pfx_css_rstat_updated+0x10/0x10 [ 57.277856] ? __pfx_do_seccomp+0x10/0x10 [ 57.278617] ? find_held_lock+0x2b/0x80 [ 57.279371] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 57.280348] ? static_key_count+0x60/0x80 [ 57.281154] prctl_set_seccomp+0x4e/0x70 [ 57.281946] __do_sys_prctl+0xe6c/0x1d70 [ 57.282677] ? __pfx___do_sys_prctl+0x10/0x10 [ 57.283557] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 57.284517] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 57.285505] ? irqentry_exit+0xf3/0x650 [ 57.286290] do_syscall_64+0xbf/0x430 [ 57.287026] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 57.287994] RIP: 0033:0x7f270e8575cd [ 57.288662] 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 [ 57.291837] RSP: 002b:00007ffeb4c320f0 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 57.293222] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f270e8575cd [ 57.294536] RDX: 0000562a7d1ffe00 RSI: 0000000000000002 RDI: 0000000000000016 [ 57.295807] RBP: 00007ffeb4c32150 R08: 0000000000000000 R09: 00007ffeb4c317f0 [ 57.297098] R10: 0000000000000000 R11: 0000000000000246 R12: 0000562aa67e7ad0 [ 57.298414] R13: 00007ffeb4c32580 R14: 0000562aa67e8bc0 R15: 0000562aa67f9780 [ 57.299734] [ 57.300214] irq event stamp: 1807 [ 57.300848] hardirqs last enabled at (1817): [] __up_console_sem+0x78/0x80 [ 57.302372] hardirqs last disabled at (1826): [] __up_console_sem+0x5d/0x80 [ 57.303924] softirqs last enabled at (1804): [] handle_softirqs+0x50c/0x770 [ 57.305487] softirqs last disabled at (1797): [] __irq_exit_rcu+0xc4/0x100 [ 57.307036] ---[ end trace 0000000000000000 ]--- [ 58.115843] ------------[ cut here ]------------ [ 58.116712] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 58.118759] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#1: sshd/258 [ 58.120249] Modules linked in: [ 58.120883] CPU: 1 UID: 104 PID: 258 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251117 #1 PREEMPT(voluntary) [ 58.123122] Tainted: [W]=WARN [ 58.123680] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 58.125216] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 58.126163] 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 [ 58.129339] RSP: 0018:ffff888016da7bc0 EFLAGS: 00010286 [ 58.130328] RAX: 0000000000000000 RBX: ffffed1002db4f78 RCX: ffffffff813a4050 [ 58.131633] RDX: ffff888016655340 RSI: ffffffff813a405e RDI: 0000000000000001 [ 58.132929] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed1002db4f2f [ 58.134252] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 58.135530] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff888016da7df8 [ 58.136819] FS: 00007f263c6a2900(0000) GS:ffff8880e548f000(0000) knlGS:0000000000000000 [ 58.138273] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 58.139323] CR2: 00007f263cb94580 CR3: 000000000cce9000 CR4: 0000000000350ef0 [ 58.140610] Call Trace: [ 58.141119] [ 58.141534] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 58.142447] ? __create_object+0x59/0x80 [ 58.143223] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 58.144192] __vmalloc_noprof+0x59/0x60 [ 58.144955] bpf_prog_alloc_no_stats+0x55/0x470 [ 58.145835] ? __pfx_seccomp_check_filter+0x10/0x10 [ 58.146741] bpf_prog_alloc+0x39/0x200 [ 58.147505] ? __pfx_seccomp_check_filter+0x10/0x10 [ 58.148444] bpf_prog_create_from_user+0xb2/0x2f0 [ 58.149349] do_seccomp+0x349/0x25e0 [ 58.150079] ? __pfx_css_rstat_updated+0x10/0x10 [ 58.150973] ? __pfx_do_seccomp+0x10/0x10 [ 58.151726] ? find_held_lock+0x2b/0x80 [ 58.152486] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 58.153448] ? static_key_count+0x60/0x80 [ 58.154269] prctl_set_seccomp+0x4e/0x70 [ 58.155062] __do_sys_prctl+0xe6c/0x1d70 [ 58.155856] ? __pfx___do_sys_prctl+0x10/0x10 [ 58.156674] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 58.157638] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 58.158611] ? irqentry_exit+0xf3/0x650 [ 58.159380] do_syscall_64+0xbf/0x430 [ 58.160136] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 58.161094] RIP: 0033:0x7f263cb945cd [ 58.161809] 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 [ 58.165014] RSP: 002b:00007ffcd9d9aef0 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 58.166407] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f263cb945cd [ 58.167705] RDX: 000055f77318fe00 RSI: 0000000000000002 RDI: 0000000000000016 [ 58.168976] RBP: 00007ffcd9d9af50 R08: 0000000000000000 R09: 00007ffcd9d9a5f0 [ 58.170279] R10: 0000000000000000 R11: 0000000000000246 R12: 000055f7b0a12ad0 [ 58.171572] R13: 00007ffcd9d9b380 R14: 000055f7b0a13bc0 R15: 000055f7b0a24780 [ 58.172877] [ 58.173309] irq event stamp: 1801 [ 58.173969] hardirqs last enabled at (1811): [] __up_console_sem+0x78/0x80 [ 58.175522] hardirqs last disabled at (1820): [] __up_console_sem+0x5d/0x80 [ 58.177058] softirqs last enabled at (1724): [] handle_softirqs+0x50c/0x770 [ 58.178624] softirqs last disabled at (1715): [] __irq_exit_rcu+0xc4/0x100 [ 58.180148] ---[ end trace 0000000000000000 ]--- Warning: Permanently added '[localhost]:61567' (ECDSA) to the list of known hosts. 2025/11/17 15:09:44 fuzzer started 2025/11/17 15:09:44 dialing manager at localhost:37895 2025/11/17 15:09:44 checking machine... 2025/11/17 15:09:44 checking revisions... [ 59.107614] kmemleak: Automatic memory scanning thread ended 2025/11/17 15:09:44 testing simple program... [ 59.192060] cgroup: Unknown subsys name 'net' [ 59.247070] cgroup: Unknown subsys name 'cpuset' [ 59.267293] cgroup: Unknown subsys name 'rlimit' executing program executing program VM DIAGNOSIS: 15:09:43 Registers: info registers vcpu 0 RAX=0000000000000000 RBX=0000000b16ee2aed RCX=0000000000000001 RDX=1ffff1100288970e RSI=ffffffffd4a19000 RDI=ffff88801444b870 RBP=ffff88801444b800 RSP=ffff88801b0cfa68 R8 =0000000000000001 R9 =ffffed10028896f0 R10=ffff88801444b787 R11=0000000000000001 R12=0000000000000000 R13=0000000000001000 R14=0000000000000c00 R15=0000000000000400 RIP=ffffffff8149388b RFL=00000086 [--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 00007f51cbecf700 00000000 00000000 GS =0000 ffff8880e538f000 00000000 00000000 LDT=0000 fffffe4900000000 00000000 00000000 TR =0040 fffffe0000003000 00004087 00008b00 DPL=0 TSS64-busy GDT= fffffe0000001000 0000007f IDT= fffffe0000000000 00000fff CR0=80050033 CR2=00007ffeb4c2c000 CR3=0000000009c48000 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=39303a353120373120766f4e3e36383c XMM01=7365733a646873732878696e755f6d61 XMM02=736f6c63206e6f6973736573203a296e XMM03=5f6d6170203a5d3934325b6468737320 XMM04=6456774875434142334f726f59427469 XMM05=485320415352203a3268737320363734 XMM06=206d6f726620746f6f7220726f662079 XMM07=00000000000000000000000000000000 XMM08=3a677562656420676f6c737973720000 XMM09=00000000000000000000000000000000 XMM10=00000000000000000000000000000000 XMM11=00000000000000000000000000000000 XMM12=00000000000000000000000000000000 XMM13=00000000000000000000000000000000 XMM14=00000000000000000000000000000000 XMM15=00000000000000000000000000000000 info registers vcpu 1 RAX=0000000000027649 RBX=0000000000000001 RCX=ffffffff84c72d57 RDX=0000000000000000 RSI=0000000000000000 RDI=ffffffff814d2c90 RBP=dffffc0000000000 RSP=ffff8880096efe58 R8 =0000000000000001 R9 =ffffed100d9e639a R10=ffff88806cf31cd3 R11=0000000000000001 R12=ffffffff8664f650 R13=1ffff110012ddfd2 R14=0000000000000000 R15=0000000000000000 RIP=ffffffff84c7174e RFL=00000202 [-------] 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 ffff8880e548f000 00000000 00000000 LDT=0000 fffffe5100000000 00000000 00000000 TR =0040 fffffe000004a000 00004087 00008b00 DPL=0 TSS64-busy GDT= fffffe0000048000 0000007f IDT= fffffe0000000000 00000fff CR0=80050033 CR2=00007fcde7061000 CR3=0000000009c48000 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=39303a353120373120766f4e3e36383c XMM01=7365733a646873732878696e755f6d61 XMM02=736f6c63206e6f6973736573203a296e XMM03=5f6d6170203a5d3934325b6468737320 XMM04=6456774875434142334f726f59427469 XMM05=485320415352203a3268737320363734 XMM06=206d6f726620746f6f7220726f662079 XMM07=00000000000000000000000000000000 XMM08=3a677562656420676f6c737973720000 XMM09=00000000000000000000000000000000 XMM10=00000000000000000000000000000000 XMM11=00000000000000000000000000000000 XMM12=00000000000000000000000000000000 XMM13=00000000000000000000000000000000 XMM14=00000000000000000000000000000000 XMM15=00000000000000000000000000000000