[ 39.131202] ------------[ cut here ]------------ [ 39.132154] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 39.134174] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#0: sshd/233 [ 39.135629] Modules linked in: [ 39.136242] CPU: 0 UID: 104 PID: 233 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251118 #1 PREEMPT(voluntary) [ 39.138108] Tainted: [W]=WARN [ 39.138644] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 39.140110] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 39.140938] 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 [ 39.144036] RSP: 0018:ffff888013b07bc0 EFLAGS: 00010286 [ 39.144916] RAX: 0000000000000000 RBX: ffffed1002760f78 RCX: ffffffff813a4050 [ 39.146143] RDX: ffff888016413780 RSI: ffffffff813a405e RDI: 0000000000000001 [ 39.147400] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed1002760f2f [ 39.148624] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 39.149895] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff888013b07df8 [ 39.151113] FS: 00007efd98b40900(0000) GS:ffff8880e538f000(0000) knlGS:0000000000000000 [ 39.152513] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 39.153554] CR2: 00007ffdc8c2fef8 CR3: 0000000015ea7000 CR4: 0000000000350ef0 [ 39.154778] Call Trace: [ 39.155267] [ 39.155669] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 39.156529] ? __create_object+0x59/0x80 [ 39.157283] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 39.158203] __vmalloc_noprof+0x59/0x60 [ 39.158891] bpf_prog_alloc_no_stats+0x55/0x470 [ 39.159726] ? __pfx_seccomp_check_filter+0x10/0x10 [ 39.160610] bpf_prog_alloc+0x39/0x200 [ 39.161311] ? __pfx_seccomp_check_filter+0x10/0x10 [ 39.162189] bpf_prog_create_from_user+0xb2/0x2f0 [ 39.163005] do_seccomp+0x349/0x25e0 [ 39.163705] ? find_held_lock+0x2b/0x80 [ 39.164429] ? do_prlimit+0x310/0x610 [ 39.165135] ? __pfx_do_seccomp+0x10/0x10 [ 39.165836] ? do_raw_spin_unlock+0x53/0x220 [ 39.166629] ? _raw_spin_unlock+0x1e/0x40 [ 39.167366] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 39.168301] ? static_key_count+0x60/0x80 [ 39.169056] prctl_set_seccomp+0x4e/0x70 [ 39.169758] __do_sys_prctl+0xe6c/0x1d70 [ 39.170530] ? __pfx___do_sys_prctl+0x10/0x10 [ 39.171339] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 39.172291] ? irqentry_exit+0xf3/0x650 [ 39.173064] do_syscall_64+0xbf/0x430 [ 39.173775] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 39.174743] RIP: 0033:0x7efd990325cd [ 39.175462] 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 [ 39.178721] RSP: 002b:00007ffdc8c2d3f0 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 39.180126] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007efd990325cd [ 39.181420] RDX: 0000561c9354de00 RSI: 0000000000000002 RDI: 0000000000000016 [ 39.182728] RBP: 00007ffdc8c2d450 R08: 0000000000000000 R09: 00007ffdc8c2caf0 [ 39.184045] R10: 0000000000000000 R11: 0000000000000246 R12: 0000561cbc390ad0 [ 39.185338] R13: 00007ffdc8c2d880 R14: 0000561cbc391bc0 R15: 0000561cbc3a2780 [ 39.186655] [ 39.187110] irq event stamp: 1751 [ 39.187724] hardirqs last enabled at (1759): [] __up_console_sem+0x78/0x80 [ 39.189061] hardirqs last disabled at (1768): [] __up_console_sem+0x5d/0x80 [ 39.190298] softirqs last enabled at (1670): [] handle_softirqs+0x50c/0x770 [ 39.191563] softirqs last disabled at (1665): [] __irq_exit_rcu+0xc4/0x100 [ 39.192794] ---[ end trace 0000000000000000 ]--- Debian GNU/Linux 11 syzkaller ttyS0 syzkaller login: [ 42.075728] ------------[ cut here ]------------ [ 42.076602] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 42.078478] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#1: sshd/242 [ 42.079810] Modules linked in: [ 42.080386] CPU: 1 UID: 104 PID: 242 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251118 #1 PREEMPT(voluntary) [ 42.082435] Tainted: [W]=WARN [ 42.082938] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 42.084335] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 42.085172] 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 [ 42.088056] RSP: 0018:ffff888017047bc0 EFLAGS: 00010286 [ 42.088901] RAX: 0000000000000000 RBX: ffffed1002e08f78 RCX: ffffffff813a4050 [ 42.090063] RDX: ffff88800f613780 RSI: ffffffff813a405e RDI: 0000000000000001 [ 42.091212] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed1002e08f2f [ 42.092362] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 42.093513] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff888017047df8 [ 42.094664] FS: 00007fdc6e9b6900(0000) GS:ffff8880e548f000(0000) knlGS:0000000000000000 [ 42.095956] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 42.096909] CR2: 00007fdc6eea8580 CR3: 000000000d6b0000 CR4: 0000000000350ef0 [ 42.098068] Call Trace: [ 42.098485] [ 42.098848] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 42.099659] ? __create_object+0x59/0x80 [ 42.100357] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 42.101230] __vmalloc_noprof+0x59/0x60 [ 42.101870] bpf_prog_alloc_no_stats+0x55/0x470 [ 42.102641] ? __pfx_seccomp_check_filter+0x10/0x10 [ 42.103467] bpf_prog_alloc+0x39/0x200 [ 42.104136] ? __pfx_seccomp_check_filter+0x10/0x10 [ 42.104917] bpf_prog_create_from_user+0xb2/0x2f0 [ 42.105717] do_seccomp+0x349/0x25e0 [ 42.106362] ? __pfx_css_rstat_updated+0x10/0x10 [ 42.107165] ? __pfx_do_seccomp+0x10/0x10 [ 42.107837] ? find_held_lock+0x2b/0x80 [ 42.108514] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 42.109366] ? static_key_count+0x60/0x80 [ 42.110078] prctl_set_seccomp+0x4e/0x70 [ 42.110728] __do_sys_prctl+0xe6c/0x1d70 [ 42.111425] ? __pfx___do_sys_prctl+0x10/0x10 [ 42.112194] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 42.113054] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 42.113876] ? irqentry_exit+0xf3/0x650 [ 42.114552] do_syscall_64+0xbf/0x430 [ 42.115207] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 42.116080] RIP: 0033:0x7fdc6eea85cd [ 42.116662] 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 [ 42.119446] RSP: 002b:00007ffdd91e0b40 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 42.120649] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007fdc6eea85cd [ 42.121790] RDX: 0000565320460e00 RSI: 0000000000000002 RDI: 0000000000000016 [ 42.122917] RBP: 00007ffdd91e0ba0 R08: 0000000000000000 R09: 00007ffdd91e0240 [ 42.124058] R10: 0000000000000000 R11: 0000000000000246 R12: 000056533d5a0240 [ 42.125186] R13: 00007ffdd91e0fd0 R14: 000056533d5a9380 R15: 000056533d5b4540 [ 42.126327] [ 42.126701] irq event stamp: 2225 [ 42.127269] hardirqs last enabled at (2235): [] __up_console_sem+0x78/0x80 [ 42.128635] hardirqs last disabled at (2244): [] __up_console_sem+0x5d/0x80 [ 42.130074] softirqs last enabled at (2174): [] handle_softirqs+0x50c/0x770 [ 42.131408] softirqs last disabled at (2169): [] __irq_exit_rcu+0xc4/0x100 [ 42.132717] ---[ end trace 0000000000000000 ]--- [ 42.813254] ------------[ cut here ]------------ [ 42.814183] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 42.816218] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#0: sshd/249 [ 42.817670] Modules linked in: [ 42.818306] CPU: 0 UID: 104 PID: 249 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251118 #1 PREEMPT(voluntary) [ 42.820254] Tainted: [W]=WARN [ 42.820808] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 42.822248] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 42.823143] 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 [ 42.826263] RSP: 0018:ffff88801a177bc0 EFLAGS: 00010286 [ 42.827216] RAX: 0000000000000000 RBX: ffffed100342ef78 RCX: ffffffff813a4050 [ 42.828479] RDX: ffff888017779bc0 RSI: ffffffff813a405e RDI: 0000000000000001 [ 42.829727] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed100342ef2f [ 42.830988] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 42.832279] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff88801a177df8 [ 42.833537] FS: 00007fa5858ed900(0000) GS:ffff8880e538f000(0000) knlGS:0000000000000000 [ 42.834943] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 42.835988] CR2: 00007ffde1bf0ef8 CR3: 000000000d0c1000 CR4: 0000000000350ef0 [ 42.837249] Call Trace: [ 42.837707] [ 42.838165] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 42.838998] ? __create_object+0x59/0x80 [ 42.839775] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 42.840734] __vmalloc_noprof+0x59/0x60 [ 42.841471] bpf_prog_alloc_no_stats+0x55/0x470 [ 42.842327] ? __pfx_seccomp_check_filter+0x10/0x10 [ 42.843243] bpf_prog_alloc+0x39/0x200 [ 42.843928] ? __pfx_seccomp_check_filter+0x10/0x10 [ 42.844833] bpf_prog_create_from_user+0xb2/0x2f0 [ 42.845739] do_seccomp+0x349/0x25e0 [ 42.846444] ? find_held_lock+0x2b/0x80 [ 42.847187] ? do_prlimit+0x310/0x610 [ 42.847883] ? __pfx_do_seccomp+0x10/0x10 [ 42.848651] ? do_raw_spin_unlock+0x53/0x220 [ 42.849458] ? _raw_spin_unlock+0x1e/0x40 [ 42.850229] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 42.851168] ? static_key_count+0x60/0x80 [ 42.851912] prctl_set_seccomp+0x4e/0x70 [ 42.852670] __do_sys_prctl+0xe6c/0x1d70 [ 42.853431] ? __pfx___do_sys_prctl+0x10/0x10 [ 42.854267] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 42.855218] ? irqentry_exit+0xf3/0x650 [ 42.855941] do_syscall_64+0xbf/0x430 [ 42.856664] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 42.857585] RIP: 0033:0x7fa585ddf5cd [ 42.858267] 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 [ 42.861363] RSP: 002b:00007ffde1bee4c0 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 42.862695] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007fa585ddf5cd [ 42.863959] RDX: 0000559ca307be00 RSI: 0000000000000002 RDI: 0000000000000016 [ 42.865216] RBP: 00007ffde1bee520 R08: 0000000000000000 R09: 00007ffde1bedbc0 [ 42.866464] R10: 0000000000000000 R11: 0000000000000246 R12: 0000559cc3a8aad0 [ 42.867731] R13: 00007ffde1bee950 R14: 0000559cc3a8bbc0 R15: 0000559cc3a9c780 [ 42.869003] [ 42.869462] irq event stamp: 1781 [ 42.870086] hardirqs last enabled at (1791): [] __up_console_sem+0x78/0x80 [ 42.871593] hardirqs last disabled at (1800): [] __up_console_sem+0x5d/0x80 [ 42.873072] softirqs last enabled at (1774): [] handle_softirqs+0x50c/0x770 [ 42.874579] softirqs last disabled at (1769): [] __irq_exit_rcu+0xc4/0x100 [ 42.876075] ---[ end trace 0000000000000000 ]--- Warning: Permanently added '[localhost]:46212' (ECDSA) to the list of known hosts. 2025/11/18 19:28:00 fuzzer started 2025/11/18 19:28:00 dialing manager at localhost:34383 2025/11/18 19:28:00 checking machine... 2025/11/18 19:28:00 checking revisions... [ 43.817383] kmemleak: Automatic memory scanning thread ended 2025/11/18 19:28:00 testing simple program... [ 43.906554] cgroup: Unknown subsys name 'net' [ 44.031672] cgroup: Unknown subsys name 'cpuset' [ 44.063341] cgroup: Unknown subsys name 'rlimit' executing program executing program VM DIAGNOSIS: 19:27:59 Registers: info registers vcpu 0 RAX=ffff888016c98001 RBX=0000000000000001 RCX=0000000000000001 RDX=ffff888016c97e01 RSI=ffff888016c97e90 RDI=ffff888016c979c0 RBP=ffff888016c97a08 RSP=ffff888016c97938 R8 =0000000000000001 R9 =ffff888016c979f0 R10=000000000003c9ed R11=0000000000011d7b R12=ffff888016c97a10 R13=ffff888016c979f8 R14=ffff888016c97e90 R15=ffff888016c979b0 RIP=ffffffff8135e2f5 RFL=00000292 [--S-A--] 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 =0000 0000000000000000 00000000 00000000 DS =0000 0000000000000000 00000000 00000000 FS =0000 00007fdc6e9b6900 00000000 00000000 GS =0000 ffff8880e538f000 00000000 00000000 LDT=0000 fffffe4500000000 00000000 00000000 TR =0040 fffffe0000003000 00004087 00008b00 DPL=0 TSS64-busy GDT= fffffe0000001000 0000007f IDT= fffffe0000000000 00000fff CR0=80050033 CR2=00007fdc6e995020 CR3=000000001e819000 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 info registers vcpu 1 RAX=0000000000028195 RBX=0000000000000001 RCX=ffffffff84c72d57 RDX=0000000000000000 RSI=0000000000000000 RDI=ffffffff814d2c90 RBP=dffffc0000000000 RSP=ffff8880096efe58 R8 =0000000000000001 R9 =ffffed100d9e639a R10=ffff88806cf31cd3 R11=0000000000000001 R12=ffffffff8664f850 R13=1ffff110012ddfd2 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 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=00007f3aec35a450 CR3=000000000dcc9000 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=d78c2f6947388ba12c44e1fb2ba605a5 XMM02=ec2efd57dc4c00df0000000000302148 XMM03=365950c5cb117a3c0000000000302218 XMM04=760602d896e9deab00000000000ae988 XMM05=090f1556b20111b3000000000031e950 XMM06=d15ca695b82c991000000000003181f0 XMM07=e042d86d42eb936e000000000030e320 XMM08=365950c5cb117a3c0000000000302218 XMM09=00000000000000000000000000000000 XMM10=20200000000020202020202020200000 XMM11=00000000000000000000000000000000 XMM12=00000000000000000000000000000000 XMM13=00000000000000000000000000000000 XMM14=00000000000000000000000000000000 XMM15=00000000000000000000000000000000