[ 46.487641] ------------[ cut here ]------------ [ 46.488700] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 46.490851] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#1: sshd/242 [ 46.492512] Modules linked in: [ 46.493202] CPU: 1 UID: 104 PID: 242 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251118 #1 PREEMPT(voluntary) [ 46.495314] Tainted: [W]=WARN [ 46.495896] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 46.497431] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 46.498365] 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 [ 46.501652] RSP: 0018:ffff8880142ffbc0 EFLAGS: 00010286 [ 46.502651] RAX: 0000000000000000 RBX: ffffed100285ff78 RCX: ffffffff813a4050 [ 46.503978] RDX: ffff888009883780 RSI: ffffffff813a405e RDI: 0000000000000001 [ 46.505328] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed100285ff2f [ 46.506643] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 46.507979] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff8880142ffdf8 [ 46.509327] FS: 00007fbb99d73900(0000) GS:ffff8880e548f000(0000) knlGS:0000000000000000 [ 46.510808] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 46.511901] CR2: 00007fbb9a265580 CR3: 000000000dcd9000 CR4: 0000000000350ef0 [ 46.513227] Call Trace: [ 46.513701] [ 46.514163] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 46.515085] ? __create_object+0x59/0x80 [ 46.515840] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 46.516832] __vmalloc_noprof+0x59/0x60 [ 46.517609] bpf_prog_alloc_no_stats+0x55/0x470 [ 46.518505] ? __pfx_seccomp_check_filter+0x10/0x10 [ 46.519444] bpf_prog_alloc+0x39/0x200 [ 46.520197] ? __pfx_seccomp_check_filter+0x10/0x10 [ 46.521202] bpf_prog_create_from_user+0xb2/0x2f0 [ 46.522178] do_seccomp+0x349/0x25e0 [ 46.522904] ? __pfx_css_rstat_updated+0x10/0x10 [ 46.523872] ? __pfx_do_seccomp+0x10/0x10 [ 46.524716] ? find_held_lock+0x2b/0x80 [ 46.525530] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 46.526565] ? static_key_count+0x60/0x80 [ 46.527424] prctl_set_seccomp+0x4e/0x70 [ 46.528259] __do_sys_prctl+0xe6c/0x1d70 [ 46.529098] ? __pfx___do_sys_prctl+0x10/0x10 [ 46.529965] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 46.531036] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 46.532075] ? irqentry_exit+0xf3/0x650 [ 46.532846] do_syscall_64+0xbf/0x430 [ 46.533636] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 46.534646] RIP: 0033:0x7fbb9a2655cd [ 46.535392] 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 [ 46.538594] RSP: 002b:00007ffe2ff97e10 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 46.539976] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007fbb9a2655cd [ 46.541292] RDX: 000055d8a3e00e00 RSI: 0000000000000002 RDI: 0000000000000016 [ 46.542572] RBP: 00007ffe2ff97e70 R08: 0000000000000000 R09: 00007ffe2ff97510 [ 46.543860] R10: 0000000000000000 R11: 0000000000000246 R12: 000055d8b1473240 [ 46.545168] R13: 00007ffe2ff982a0 R14: 000055d8b1472bf0 R15: 000055d8b14874d0 [ 46.546485] [ 46.546905] irq event stamp: 1751 [ 46.547580] hardirqs last enabled at (1761): [] __up_console_sem+0x78/0x80 [ 46.549271] hardirqs last disabled at (1770): [] __up_console_sem+0x5d/0x80 [ 46.550966] softirqs last enabled at (1700): [] handle_softirqs+0x50c/0x770 [ 46.552703] softirqs last disabled at (1695): [] __irq_exit_rcu+0xc4/0x100 [ 46.554383] ---[ end trace 0000000000000000 ]--- Debian GNU/Linux 11 syzkaller ttyS0 syzkaller login: [ 49.210623] ------------[ cut here ]------------ [ 49.211559] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 49.213617] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#0: sshd/250 [ 49.215067] Modules linked in: [ 49.215674] CPU: 0 UID: 104 PID: 250 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251118 #1 PREEMPT(voluntary) [ 49.217729] Tainted: [W]=WARN [ 49.218319] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 49.219855] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 49.220930] 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 [ 49.224816] RSP: 0018:ffff888016a2fbc0 EFLAGS: 00010286 [ 49.226038] RAX: 0000000000000000 RBX: ffffed1002d45f78 RCX: ffffffff813a4050 [ 49.227604] RDX: ffff88801422d340 RSI: ffffffff813a405e RDI: 0000000000000001 [ 49.229027] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed1002d45f2f [ 49.230357] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 49.231758] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff888016a2fdf8 [ 49.233086] FS: 00007f1b9fb9e900(0000) GS:ffff8880e538f000(0000) knlGS:0000000000000000 [ 49.234569] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 49.235643] CR2: 00007f1ba01044a6 CR3: 000000000a140000 CR4: 0000000000350ef0 [ 49.236957] Call Trace: [ 49.237503] [ 49.237913] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 49.238813] ? __create_object+0x59/0x80 [ 49.239618] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 49.240619] __vmalloc_noprof+0x59/0x60 [ 49.241400] bpf_prog_alloc_no_stats+0x55/0x470 [ 49.242285] ? __pfx_seccomp_check_filter+0x10/0x10 [ 49.243497] bpf_prog_alloc+0x39/0x200 [ 49.244325] ? __pfx_seccomp_check_filter+0x10/0x10 [ 49.245467] bpf_prog_create_from_user+0xb2/0x2f0 [ 49.246389] do_seccomp+0x349/0x25e0 [ 49.247102] ? find_held_lock+0x2b/0x80 [ 49.247831] ? do_prlimit+0x310/0x610 [ 49.248618] ? __pfx_do_seccomp+0x10/0x10 [ 49.249418] ? do_raw_spin_unlock+0x53/0x220 [ 49.250237] ? _raw_spin_unlock+0x1e/0x40 [ 49.250981] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 49.252047] ? static_key_count+0x60/0x80 [ 49.252953] prctl_set_seccomp+0x4e/0x70 [ 49.254053] __do_sys_prctl+0xe6c/0x1d70 [ 49.254995] ? __pfx___do_sys_prctl+0x10/0x10 [ 49.255870] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 49.256875] ? irqentry_exit+0xf3/0x650 [ 49.257661] do_syscall_64+0xbf/0x430 [ 49.258418] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 49.259378] RIP: 0033:0x7f1ba00905cd [ 49.260113] 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 [ 49.263307] RSP: 002b:00007fff6668e130 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 49.264747] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f1ba00905cd [ 49.266049] RDX: 000055787d58de00 RSI: 0000000000000002 RDI: 0000000000000016 [ 49.267355] RBP: 00007fff6668e190 R08: 0000000000000000 R09: 00007fff6668d830 [ 49.268666] R10: 0000000000000000 R11: 0000000000000246 R12: 000055788c3b2bf0 [ 49.269983] R13: 00007fff6668e5c0 R14: 000055788c3bc380 R15: 000055788c3c7460 [ 49.271326] [ 49.271756] irq event stamp: 1785 [ 49.272446] hardirqs last enabled at (1795): [] __up_console_sem+0x78/0x80 [ 49.273986] hardirqs last disabled at (1804): [] __up_console_sem+0x5d/0x80 [ 49.275542] softirqs last enabled at (1620): [] handle_softirqs+0x50c/0x770 [ 49.277065] softirqs last disabled at (1613): [] __irq_exit_rcu+0xc4/0x100 [ 49.277948] ---[ end trace 0000000000000000 ]--- [ 50.062807] ------------[ cut here ]------------ [ 50.063746] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 50.065763] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#1: sshd/257 [ 50.067188] Modules linked in: [ 50.067788] CPU: 1 UID: 104 PID: 257 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251118 #1 PREEMPT(voluntary) [ 50.069835] Tainted: [W]=WARN [ 50.070465] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 50.072144] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 50.073133] 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 [ 50.076411] RSP: 0018:ffff88800a54fbc0 EFLAGS: 00010286 [ 50.077450] RAX: 0000000000000000 RBX: ffffed10014a9f78 RCX: ffffffff813a4050 [ 50.078843] RDX: ffff888017978000 RSI: ffffffff813a405e RDI: 0000000000000001 [ 50.080335] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed10014a9f2f [ 50.081663] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 50.083064] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff88800a54fdf8 [ 50.084397] FS: 00007f6c7099c900(0000) GS:ffff8880e548f000(0000) knlGS:0000000000000000 [ 50.085850] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 50.086920] CR2: 00007f6c70f024a6 CR3: 000000000bc32000 CR4: 0000000000350ef0 [ 50.088212] Call Trace: [ 50.088698] [ 50.089168] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 50.090079] ? __create_object+0x59/0x80 [ 50.090815] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 50.091780] __vmalloc_noprof+0x59/0x60 [ 50.092569] bpf_prog_alloc_no_stats+0x55/0x470 [ 50.093450] ? __pfx_seccomp_check_filter+0x10/0x10 [ 50.094412] bpf_prog_alloc+0x39/0x200 [ 50.095165] ? __pfx_seccomp_check_filter+0x10/0x10 [ 50.096124] bpf_prog_create_from_user+0xb2/0x2f0 [ 50.096995] do_seccomp+0x349/0x25e0 [ 50.097733] ? find_held_lock+0x2b/0x80 [ 50.098491] ? do_prlimit+0x310/0x610 [ 50.099249] ? __pfx_do_seccomp+0x10/0x10 [ 50.100061] ? do_raw_spin_unlock+0x53/0x220 [ 50.100856] ? _raw_spin_unlock+0x1e/0x40 [ 50.101646] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 50.102623] ? static_key_count+0x60/0x80 [ 50.103440] prctl_set_seccomp+0x4e/0x70 [ 50.104239] __do_sys_prctl+0xe6c/0x1d70 [ 50.104985] ? __pfx___do_sys_prctl+0x10/0x10 [ 50.105847] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 50.106829] ? irqentry_exit+0xf3/0x650 [ 50.107591] do_syscall_64+0xbf/0x430 [ 50.108353] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 50.109300] RIP: 0033:0x7f6c70e8e5cd [ 50.109960] 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 [ 50.113137] RSP: 002b:00007ffc6b9fc150 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 50.114490] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f6c70e8e5cd [ 50.115774] RDX: 0000561fbc16fe00 RSI: 0000000000000002 RDI: 0000000000000016 [ 50.117089] RBP: 00007ffc6b9fc1b0 R08: 0000000000000000 R09: 00007ffc6b9fb850 [ 50.118370] R10: 0000000000000000 R11: 0000000000000246 R12: 0000561ff3115bf0 [ 50.119657] R13: 00007ffc6b9fc5e0 R14: 0000561ff311f380 R15: 0000561ff312a460 [ 50.120966] [ 50.121438] irq event stamp: 1729 [ 50.122081] hardirqs last enabled at (1739): [] __up_console_sem+0x78/0x80 [ 50.123621] hardirqs last disabled at (1748): [] __up_console_sem+0x5d/0x80 [ 50.125151] softirqs last enabled at (1676): [] handle_softirqs+0x50c/0x770 [ 50.126692] softirqs last disabled at (1671): [] __irq_exit_rcu+0xc4/0x100 [ 50.128223] ---[ end trace 0000000000000000 ]--- Warning: Permanently added '[localhost]:10305' (ECDSA) to the list of known hosts. 2025/11/19 04:47:17 fuzzer started 2025/11/19 04:47:18 dialing manager at localhost:34383 2025/11/19 04:47:18 checking machine... 2025/11/19 04:47:18 checking revisions... [ 51.024925] kmemleak: Automatic memory scanning thread ended 2025/11/19 04:47:18 testing simple program... [ 51.118152] cgroup: Unknown subsys name 'net' [ 51.178838] cgroup: Unknown subsys name 'cpuset' [ 51.193973] cgroup: Unknown subsys name 'rlimit' executing program executing program executing program VM DIAGNOSIS: 04:47:17 Registers: info registers vcpu 0 RAX=000000000003b8b3 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=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 ffff8880e538f000 00000000 00000000 LDT=0000 fffffe3b00000000 00000000 00000000 TR =0040 fffffe0000003000 00004087 00008b00 DPL=0 TSS64-busy GDT= fffffe0000001000 0000007f IDT= fffffe0000000000 00000fff CR0=80050033 CR2=00007ffd15b90558 CR3=000000000b875000 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=37343a343020393120766f4e3e38333c XMM01=6d6f72662064657463656e6e6f637369 XMM02=2e303120746f6f722072657375206d6f XMM03=3a5d3934325b646873732037313a3734 XMM04=6456774875434142334f726f59427469 XMM05=485320415352203a3268737320303038 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=0000000000000005 RBX=0000000000000200 RCX=ffffffff87cecb40 RDX=0000000000000008 RSI=ffff8880167642a0 RDI=ffff888016763780 RBP=ffff888016763780 RSP=ffff88806cf08828 R8 =0000000000000000 R9 =0000000000000005 R10=0000000000000001 R11=0000000000000000 R12=0000000000000009 R13=0000000000000005 R14=ffff8880167642a0 R15=0000000000000003 RIP=ffffffff81526594 RFL=00000007 [-----PC] 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 00007f6a635ef700 00000000 00000000 GS =0000 ffff8880e548f000 00000000 00000000 LDT=0000 fffffe2c00000000 00000000 00000000 TR =0040 fffffe000004a000 00004087 00008b00 DPL=0 TSS64-busy GDT= fffffe0000048000 0000007f IDT= fffffe0000000000 00000fff CR0=80050033 CR2=00007f1ba0155618 CR3=000000000b875000 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=2037313a37343a343020393120766f4e XMM01=73732878696e755f6d6170203a5d3934 XMM02=65736f6c63206e6f6973736573203a29 XMM03=755f6d6170203a5d3934325b64687373 XMM04=69662068637573206f4e203a656c6163 XMM05=3a656c696620766e65206e65706f206f XMM06=65733a6468737328766e655f6d617020 XMM07=6b7a79732036313a37343a3430203931 XMM08=30343d7974696c696261706163202279 XMM09=00000000000000000000000000000000 XMM10=00000000000000000000000000000000 XMM11=00000000000000000000000000000000 XMM12=00000000000000000000000000000000 XMM13=00000000000000000000000000000000 XMM14=00000000000000000000000000000000 XMM15=00000000000000000000000000000000