syzkaller login: [ 39.059532] ------------[ cut here ]------------ [ 39.060491] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 39.062459] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#0: sshd/233 [ 39.063916] Modules linked in: [ 39.064556] CPU: 0 UID: 104 PID: 233 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251118 #1 PREEMPT(voluntary) [ 39.066539] Tainted: [W]=WARN [ 39.067143] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 39.068631] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 39.069543] 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 [ 39.072717] RSP: 0018:ffff888014277bc0 EFLAGS: 00010286 [ 39.073704] RAX: 0000000000000000 RBX: ffffed100284ef78 RCX: ffffffff813a4050 [ 39.074997] RDX: ffff888015819bc0 RSI: ffffffff813a405e RDI: 0000000000000001 [ 39.076316] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed100284ef2f [ 39.077610] R10: 0000000000000000 R11: 0000000000000001 R12: 0000000000400dc0 [ 39.078891] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff888014277df8 [ 39.080196] FS: 00007f0437e5b900(0000) GS:ffff8880e538f000(0000) knlGS:0000000000000000 [ 39.081633] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 39.082701] CR2: 00007fffa75edef8 CR3: 000000000d420000 CR4: 0000000000350ef0 [ 39.083992] Call Trace: [ 39.084508] [ 39.084928] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 39.085834] ? __create_object+0x59/0x80 [ 39.086638] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 39.087607] __vmalloc_noprof+0x59/0x60 [ 39.088403] bpf_prog_alloc_no_stats+0x55/0x470 [ 39.089282] ? __pfx_seccomp_check_filter+0x10/0x10 [ 39.090227] bpf_prog_alloc+0x39/0x200 [ 39.090927] ? __pfx_seccomp_check_filter+0x10/0x10 [ 39.091870] bpf_prog_create_from_user+0xb2/0x2f0 [ 39.092776] do_seccomp+0x349/0x25e0 [ 39.093501] ? find_held_lock+0x2b/0x80 [ 39.094242] ? do_prlimit+0x310/0x610 [ 39.094927] ? __pfx_do_seccomp+0x10/0x10 [ 39.095710] ? do_raw_spin_unlock+0x53/0x220 [ 39.096528] ? _raw_spin_unlock+0x1e/0x40 [ 39.097304] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 39.098250] ? static_key_count+0x60/0x80 [ 39.098999] prctl_set_seccomp+0x4e/0x70 [ 39.099779] __do_sys_prctl+0xe6c/0x1d70 [ 39.100574] ? __pfx___do_sys_prctl+0x10/0x10 [ 39.101419] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 39.102390] ? irqentry_exit+0xf3/0x650 [ 39.103155] do_syscall_64+0xbf/0x430 [ 39.103858] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 39.104813] RIP: 0033:0x7f043834d5cd [ 39.105504] 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 [ 39.108748] RSP: 002b:00007fffa75eb570 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 39.110138] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f043834d5cd [ 39.111413] RDX: 0000562330b11e00 RSI: 0000000000000002 RDI: 0000000000000016 [ 39.112727] RBP: 00007fffa75eb5d0 R08: 0000000000000000 R09: 00007fffa75eac70 [ 39.114013] R10: 0000000000000000 R11: 0000000000000246 R12: 000056234551f2b0 [ 39.115302] R13: 00007fffa75eba00 R14: 0000562345521d20 R15: 00005623455338d0 [ 39.116594] [ 39.117007] irq event stamp: 1759 [ 39.117647] hardirqs last enabled at (1769): [] __up_console_sem+0x78/0x80 [ 39.119203] hardirqs last disabled at (1778): [] __up_console_sem+0x5d/0x80 [ 39.120747] softirqs last enabled at (1732): [] handle_softirqs+0x50c/0x770 [ 39.122276] softirqs last disabled at (1727): [] __irq_exit_rcu+0xc4/0x100 [ 39.123860] ---[ end trace 0000000000000000 ]--- [ 42.295280] ------------[ cut here ]------------ [ 42.296212] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 42.298211] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#1: sshd/242 [ 42.299689] Modules linked in: [ 42.300554] CPU: 1 UID: 104 PID: 242 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251118 #1 PREEMPT(voluntary) [ 42.302581] Tainted: [W]=WARN [ 42.303188] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 42.304666] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 42.305578] 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 [ 42.308796] RSP: 0018:ffff88801c387bc0 EFLAGS: 00010286 [ 42.309768] RAX: 0000000000000000 RBX: ffffed1003870f78 RCX: ffffffff813a4050 [ 42.311060] RDX: ffff888016920000 RSI: ffffffff813a405e RDI: 0000000000000001 [ 42.312363] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed1003870f2f [ 42.313655] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 42.314932] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff88801c387df8 [ 42.316224] FS: 00007f07a6a71900(0000) GS:ffff8880e548f000(0000) knlGS:0000000000000000 [ 42.317672] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 42.318727] CR2: 00007f07a6f63580 CR3: 0000000009dff000 CR4: 0000000000350ef0 [ 42.320003] Call Trace: [ 42.320518] [ 42.320928] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 42.321828] ? __create_object+0x59/0x80 [ 42.322624] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 42.323598] __vmalloc_noprof+0x59/0x60 [ 42.324379] bpf_prog_alloc_no_stats+0x55/0x470 [ 42.325256] ? __pfx_seccomp_check_filter+0x10/0x10 [ 42.326197] bpf_prog_alloc+0x39/0x200 [ 42.326878] ? __pfx_seccomp_check_filter+0x10/0x10 [ 42.327829] bpf_prog_create_from_user+0xb2/0x2f0 [ 42.328739] do_seccomp+0x349/0x25e0 [ 42.329466] ? __pfx_css_rstat_updated+0x10/0x10 [ 42.330363] ? __pfx_do_seccomp+0x10/0x10 [ 42.331131] ? find_held_lock+0x2b/0x80 [ 42.331853] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 42.332817] ? static_key_count+0x60/0x80 [ 42.333617] prctl_set_seccomp+0x4e/0x70 [ 42.334393] __do_sys_prctl+0xe6c/0x1d70 [ 42.335174] ? __pfx___do_sys_prctl+0x10/0x10 [ 42.335988] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 42.336942] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 42.337917] ? irqentry_exit+0xf3/0x650 [ 42.338687] do_syscall_64+0xbf/0x430 [ 42.339431] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 42.340388] RIP: 0033:0x7f07a6f635cd [ 42.341091] 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 [ 42.344238] RSP: 002b:00007ffcca5a6c80 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 42.345605] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f07a6f635cd [ 42.346873] RDX: 00005575b5561e00 RSI: 0000000000000002 RDI: 0000000000000016 [ 42.348163] RBP: 00007ffcca5a6ce0 R08: 0000000000000000 R09: 00007ffcca5a6380 [ 42.349445] R10: 0000000000000000 R11: 0000000000000246 R12: 00005575f317bad0 [ 42.350741] R13: 00007ffcca5a7110 R14: 00005575f317cbc0 R15: 00005575f318d780 [ 42.352070] [ 42.352501] irq event stamp: 1889 [ 42.353156] hardirqs last enabled at (1899): [] __up_console_sem+0x78/0x80 [ 42.354677] hardirqs last disabled at (1908): [] __up_console_sem+0x5d/0x80 [ 42.356186] softirqs last enabled at (1760): [] handle_softirqs+0x50c/0x770 [ 42.357724] softirqs last disabled at (1755): [] __irq_exit_rcu+0xc4/0x100 [ 42.359216] ---[ end trace 0000000000000000 ]--- [ 43.207727] ------------[ cut here ]------------ [ 43.208655] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 43.210678] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#0: sshd/250 [ 43.212178] Modules linked in: [ 43.212763] CPU: 0 UID: 104 PID: 250 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251118 #1 PREEMPT(voluntary) [ 43.214724] Tainted: [W]=WARN [ 43.215330] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 43.216785] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 43.217696] 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 [ 43.220823] RSP: 0018:ffff8880142cfbc0 EFLAGS: 00010286 [ 43.221819] RAX: 0000000000000000 RBX: ffffed1002859f78 RCX: ffffffff813a4050 [ 43.223089] RDX: ffff888009a73780 RSI: ffffffff813a405e RDI: 0000000000000001 [ 43.224373] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed1002859f2f [ 43.225644] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 43.226914] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff8880142cfdf8 [ 43.228199] FS: 00007f6783426900(0000) GS:ffff8880e538f000(0000) knlGS:0000000000000000 [ 43.229613] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 43.230667] CR2: 00007f6783918580 CR3: 000000000c69f000 CR4: 0000000000350ef0 [ 43.231950] Call Trace: [ 43.232455] [ 43.232859] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 43.233745] ? __create_object+0x59/0x80 [ 43.234507] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 43.235476] __vmalloc_noprof+0x59/0x60 [ 43.236236] bpf_prog_alloc_no_stats+0x55/0x470 [ 43.237104] ? __pfx_seccomp_check_filter+0x10/0x10 [ 43.237978] bpf_prog_alloc+0x39/0x200 [ 43.238708] ? __pfx_seccomp_check_filter+0x10/0x10 [ 43.239615] bpf_prog_create_from_user+0xb2/0x2f0 [ 43.240522] do_seccomp+0x349/0x25e0 [ 43.241251] ? __pfx_css_rstat_updated+0x10/0x10 [ 43.242148] ? __pfx_do_seccomp+0x10/0x10 [ 43.242879] ? find_held_lock+0x2b/0x80 [ 43.243636] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 43.244600] ? static_key_count+0x60/0x80 [ 43.245384] prctl_set_seccomp+0x4e/0x70 [ 43.246151] __do_sys_prctl+0xe6c/0x1d70 [ 43.246884] ? __pfx___do_sys_prctl+0x10/0x10 [ 43.247738] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 43.248685] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 43.249641] ? irqentry_exit+0xf3/0x650 [ 43.250439] do_syscall_64+0xbf/0x430 [ 43.251207] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 43.252174] RIP: 0033:0x7f67839185cd [ 43.252828] 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 [ 43.255996] RSP: 002b:00007fffd5906490 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 43.257372] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f67839185cd [ 43.258636] RDX: 000055ecbbd9be00 RSI: 0000000000000002 RDI: 0000000000000016 [ 43.259968] RBP: 00007fffd59064f0 R08: 0000000000000000 R09: 00007fffd5905b90 [ 43.261049] R10: 0000000000000000 R11: 0000000000000246 R12: 000055ecd811abf0 [ 43.262079] R13: 00007fffd5906920 R14: 000055ecd8124380 R15: 000055ecd812f460 [ 43.263120] [ 43.263461] irq event stamp: 1717 [ 43.263946] hardirqs last enabled at (1725): [] __up_console_sem+0x78/0x80 [ 43.265169] hardirqs last disabled at (1734): [] __up_console_sem+0x5d/0x80 [ 43.266388] softirqs last enabled at (1620): [] handle_softirqs+0x50c/0x770 [ 43.267636] softirqs last disabled at (1615): [] __irq_exit_rcu+0xc4/0x100 [ 43.268869] ---[ end trace 0000000000000000 ]--- Warning: Permanently added '[localhost]:7183' (ECDSA) to the list of known hosts. 2025/11/18 20:35:10 fuzzer started 2025/11/18 20:35:10 dialing manager at localhost:34383 2025/11/18 20:35:10 checking machine... 2025/11/18 20:35:10 checking revisions... [ 44.161724] kmemleak: Automatic memory scanning thread ended 2025/11/18 20:35:10 testing simple program... [ 44.240786] cgroup: Unknown subsys name 'net' [ 44.293443] cgroup: Unknown subsys name 'cpuset' [ 44.306995] cgroup: Unknown subsys name 'rlimit' executing program executing program VM DIAGNOSIS: 20:35:09 Registers: info registers vcpu 0 RAX=0000000000000033 RBX=0000000000000010 RCX=0000000000000004 RDX=0000000000000004 RSI=ffff8880141e0a80 RDI=ffff8880141e0000 RBP=ffff8880141e0000 RSP=ffff88806ce088a0 R8 =0000000000000000 R9 =0000000000000033 R10=0000000000000001 R11=0000000000000000 R12=0000000000000004 R13=0000000000000001 R14=ffff8880141e0a80 R15=0000000000000002 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 00007f56fd788900 00000000 00000000 GS =0000 ffff8880e538f000 00000000 00000000 LDT=0000 fffffe2300000000 00000000 00000000 TR =0040 fffffe0000003000 00004087 00008b00 DPL=0 TSS64-busy GDT= fffffe0000001000 0000007f IDT= fffffe0000000000 00000fff CR0=80050033 CR2=00007f56fcea0408 CR3=000000000e090000 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=ffffffffffffffffffffffffffffffff XMM01=30306234386136303638616663356134 XMM02=38303062343861363036386166633561 XMM03=2f6c616e72756f6a2f676f6c2f6e7572 XMM04=2dababf1199964aa00000000000ae988 XMM05=582130e0a76734990000000000321a08 XMM06=090f1556b20111b300000000003208a0 XMM07=00000000000000000000000000000000 XMM08=415453454d49545f454d49544c414552 XMM09=00000000000000000000000000000000 XMM10=20200000000020202020202020200000 XMM11=00000000000000000000000000000000 XMM12=00000000000000000000000000000000 XMM13=00000000000000000000000000000000 XMM14=00000000000000000000000000000000 XMM15=00000000000000000000000000000000 info registers vcpu 1 RAX=1ffff1100d9e49a2 RBX=00000000fffc1220 RCX=ffffffff81630594 RDX=ffff8880141c3780 RSI=ffffffff8162a476 RDI=ffff88806cf24d10 RBP=0000000000000000 RSP=ffff88806cf08d40 R8 =ffffffff85a8dc88 R9 =fffffbfff10b3075 R10=0000000000000001 R11=0000001d355c947e R12=ffff88806cf24cc0 R13=fffffbfff0b82250 R14=0000000000000000 R15=dffffc0000000000 RIP=ffffffff8162a499 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 00007f07a6a71900 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=00007f07a7028618 CR3=0000000009eaf000 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=6e69676f6c5f6d61702c78756e696c65 XMM02=755f6d61702c74696d7265705f6d6170 XMM03=2c766e655f6d61702c7374696d696c5f XMM04=6d61702c766e655f6d61702c7374696d XMM05=78696e755f6d61702c74696d7265705f XMM06=6469756e69676f6c5f6d61702c78756e XMM07=672065736f6c635f6e6f69737365733a XMM08=61662029286e65706f5f746964756100 XMM09=00000000000000000000000000000000 XMM10=00000000000000000000000000000000 XMM11=00000000000000000000000000000000 XMM12=00000000000000000000000000000000 XMM13=00000000000000000000000000000000 XMM14=00000000000000000000000000000000 XMM15=00000000000000000000000000000000