syzkaller login: [ 39.111979] ------------[ cut here ]------------ [ 39.112927] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 39.114874] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#0: sshd/233 [ 39.116319] Modules linked in: [ 39.116940] CPU: 0 UID: 104 PID: 233 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251118 #1 PREEMPT(voluntary) [ 39.118904] Tainted: [W]=WARN [ 39.119447] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 39.120894] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 39.121798] 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 [ 39.124927] RSP: 0018:ffff888016767bc0 EFLAGS: 00010286 [ 39.125884] RAX: 0000000000000000 RBX: ffffed1002cecf78 RCX: ffffffff813a4050 [ 39.127147] RDX: ffff88800f4bb780 RSI: ffffffff813a405e RDI: 0000000000000001 [ 39.128415] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed1002cecf2f [ 39.129670] R10: 0000000000000000 R11: 0000000000000001 R12: 0000000000400dc0 [ 39.130933] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff888016767df8 [ 39.132192] FS: 00007f6e7b76f900(0000) GS:ffff8880e538f000(0000) knlGS:0000000000000000 [ 39.133619] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 39.134676] CR2: 00007f6e7bcd54a6 CR3: 000000000fbe2000 CR4: 0000000000350ef0 [ 39.135944] Call Trace: [ 39.136408] [ 39.136852] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 39.137736] ? __create_object+0x59/0x80 [ 39.138476] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 39.139428] __vmalloc_noprof+0x59/0x60 [ 39.140170] bpf_prog_alloc_no_stats+0x55/0x470 [ 39.141039] ? __pfx_seccomp_check_filter+0x10/0x10 [ 39.141960] bpf_prog_alloc+0x39/0x200 [ 39.142684] ? __pfx_seccomp_check_filter+0x10/0x10 [ 39.143590] bpf_prog_create_from_user+0xb2/0x2f0 [ 39.144445] do_seccomp+0x349/0x25e0 [ 39.145149] ? find_held_lock+0x2b/0x80 [ 39.145892] ? do_prlimit+0x310/0x610 [ 39.146615] ? __pfx_do_seccomp+0x10/0x10 [ 39.147348] ? do_raw_spin_unlock+0x53/0x220 [ 39.148174] ? _raw_spin_unlock+0x1e/0x40 [ 39.148944] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 39.149891] ? static_key_count+0x60/0x80 [ 39.150690] prctl_set_seccomp+0x4e/0x70 [ 39.151419] __do_sys_prctl+0xe6c/0x1d70 [ 39.152180] ? __pfx___do_sys_prctl+0x10/0x10 [ 39.153032] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 39.154084] ? irqentry_exit+0xf3/0x650 [ 39.154844] do_syscall_64+0xbf/0x430 [ 39.155588] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 39.156528] RIP: 0033:0x7f6e7bc615cd [ 39.157177] 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 [ 39.160458] RSP: 002b:00007ffdacc2b080 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 39.161845] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f6e7bc615cd [ 39.163098] RDX: 00005646fe1dbe00 RSI: 0000000000000002 RDI: 0000000000000016 [ 39.164365] RBP: 00007ffdacc2b0e0 R08: 0000000000000000 R09: 00007ffdacc2a780 [ 39.165628] R10: 0000000000000000 R11: 0000000000000246 R12: 00005647368852b0 [ 39.166894] R13: 00007ffdacc2b510 R14: 0000564736887d20 R15: 00005647368998d0 [ 39.168180] [ 39.168646] irq event stamp: 1815 [ 39.169251] hardirqs last enabled at (1823): [] __up_console_sem+0x78/0x80 [ 39.170741] hardirqs last disabled at (1832): [] __up_console_sem+0x5d/0x80 [ 39.172249] softirqs last enabled at (1792): [] handle_softirqs+0x50c/0x770 [ 39.173770] softirqs last disabled at (1787): [] __irq_exit_rcu+0xc4/0x100 [ 39.175260] ---[ end trace 0000000000000000 ]--- [ 42.390711] ------------[ cut here ]------------ [ 42.391443] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 42.393449] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#1: sshd/243 [ 42.394674] Modules linked in: [ 42.395165] CPU: 1 UID: 104 PID: 243 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251118 #1 PREEMPT(voluntary) [ 42.396833] Tainted: [W]=WARN [ 42.397293] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 42.398517] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 42.399235] 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 [ 42.401875] RSP: 0018:ffff88801c0dfbc0 EFLAGS: 00010286 [ 42.402686] RAX: 0000000000000000 RBX: ffffed100381bf78 RCX: ffffffff813a4050 [ 42.403753] RDX: ffff888009fe3780 RSI: ffffffff813a405e RDI: 0000000000000001 [ 42.404836] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed100381bf2f [ 42.405890] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 42.406958] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff88801c0dfdf8 [ 42.408022] FS: 00007feac05fd900(0000) GS:ffff8880e548f000(0000) knlGS:0000000000000000 [ 42.409222] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 42.410109] CR2: 00007ffcc2bebef7 CR3: 000000001f8b3000 CR4: 0000000000350ef0 [ 42.411187] Call Trace: [ 42.411595] [ 42.411933] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 42.412678] ? __create_object+0x59/0x80 [ 42.413284] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 42.414088] __vmalloc_noprof+0x59/0x60 [ 42.414713] bpf_prog_alloc_no_stats+0x55/0x470 [ 42.415402] ? __pfx_seccomp_check_filter+0x10/0x10 [ 42.416170] bpf_prog_alloc+0x39/0x200 [ 42.416779] ? __pfx_seccomp_check_filter+0x10/0x10 [ 42.417541] bpf_prog_create_from_user+0xb2/0x2f0 [ 42.418251] do_seccomp+0x349/0x25e0 [ 42.418839] ? find_held_lock+0x2b/0x80 [ 42.419430] ? do_prlimit+0x310/0x610 [ 42.420036] ? __pfx_do_seccomp+0x10/0x10 [ 42.420691] ? do_raw_spin_unlock+0x53/0x220 [ 42.421338] ? _raw_spin_unlock+0x1e/0x40 [ 42.421977] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 42.422767] ? static_key_count+0x60/0x80 [ 42.423392] prctl_set_seccomp+0x4e/0x70 [ 42.424021] __do_sys_prctl+0xe6c/0x1d70 [ 42.424679] ? __pfx___do_sys_prctl+0x10/0x10 [ 42.425349] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 42.426148] ? irqentry_exit+0xf3/0x650 [ 42.426776] do_syscall_64+0xbf/0x430 [ 42.427350] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 42.428125] RIP: 0033:0x7feac0aef5cd [ 42.428711] 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 [ 42.431338] RSP: 002b:00007ffcc2beacf0 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 42.432473] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007feac0aef5cd [ 42.433545] RDX: 00005616ef0aee00 RSI: 0000000000000002 RDI: 0000000000000016 [ 42.434602] RBP: 00007ffcc2bead50 R08: 0000000000000000 R09: 00007ffcc2bea3f0 [ 42.435654] R10: 0000000000000000 R11: 0000000000000246 R12: 0000561704870ad0 [ 42.436734] R13: 00007ffcc2beb180 R14: 0000561704871bc0 R15: 0000561704882780 [ 42.437800] [ 42.438150] irq event stamp: 1771 [ 42.438680] hardirqs last enabled at (1781): [] __up_console_sem+0x78/0x80 [ 42.439944] hardirqs last disabled at (1790): [] __up_console_sem+0x5d/0x80 [ 42.441213] softirqs last enabled at (1626): [] handle_softirqs+0x50c/0x770 [ 42.442504] softirqs last disabled at (1619): [] __irq_exit_rcu+0xc4/0x100 [ 42.443759] ---[ end trace 0000000000000000 ]--- [ 43.469106] ------------[ cut here ]------------ [ 43.469868] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 43.471542] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#1: sshd/252 [ 43.472743] Modules linked in: [ 43.473238] CPU: 1 UID: 104 PID: 252 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251118 #1 PREEMPT(voluntary) [ 43.474888] Tainted: [W]=WARN [ 43.475355] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 43.476635] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 43.477361] 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 [ 43.480015] RSP: 0018:ffff888016f2fbc0 EFLAGS: 00010286 [ 43.480849] RAX: 0000000000000000 RBX: ffffed1002de5f78 RCX: ffffffff813a4050 [ 43.481931] RDX: ffff88801666b780 RSI: ffffffff813a405e RDI: 0000000000000001 [ 43.482997] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed1002de5f2f [ 43.484068] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 43.485194] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff888016f2fdf8 [ 43.486268] FS: 00007f32abed3900(0000) GS:ffff8880e548f000(0000) knlGS:0000000000000000 [ 43.487459] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 43.488322] CR2: 00007f32ac3c5580 CR3: 000000000d978000 CR4: 0000000000350ef0 [ 43.489420] Call Trace: [ 43.489838] [ 43.490181] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 43.490916] ? __create_object+0x59/0x80 [ 43.491558] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 43.492334] __vmalloc_noprof+0x59/0x60 [ 43.492986] bpf_prog_alloc_no_stats+0x55/0x470 [ 43.493714] ? __pfx_seccomp_check_filter+0x10/0x10 [ 43.494452] bpf_prog_alloc+0x39/0x200 [ 43.495073] ? __pfx_seccomp_check_filter+0x10/0x10 [ 43.495832] bpf_prog_create_from_user+0xb2/0x2f0 [ 43.496596] do_seccomp+0x349/0x25e0 [ 43.497152] ? __pfx_css_rstat_updated+0x10/0x10 [ 43.497913] ? __pfx_do_seccomp+0x10/0x10 [ 43.498567] ? find_held_lock+0x2b/0x80 [ 43.499165] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 43.499966] ? static_key_count+0x60/0x80 [ 43.500651] prctl_set_seccomp+0x4e/0x70 [ 43.501272] __do_sys_prctl+0xe6c/0x1d70 [ 43.501916] ? __pfx___do_sys_prctl+0x10/0x10 [ 43.502629] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 43.503394] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 43.504198] ? irqentry_exit+0xf3/0x650 [ 43.504845] do_syscall_64+0xbf/0x430 [ 43.505425] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 43.506212] RIP: 0033:0x7f32ac3c55cd [ 43.506808] 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 [ 43.509458] RSP: 002b:00007ffeab6931d0 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 43.510616] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f32ac3c55cd [ 43.511707] RDX: 00005573a35c8e00 RSI: 0000000000000002 RDI: 0000000000000016 [ 43.512802] RBP: 00007ffeab693230 R08: 0000000000000000 R09: 00007ffeab6928d0 [ 43.513876] R10: 0000000000000000 R11: 0000000000000246 R12: 00005573da964bf0 [ 43.514943] R13: 00007ffeab693660 R14: 00005573da96e380 R15: 00005573da979460 [ 43.516022] [ 43.516382] irq event stamp: 1719 [ 43.516912] hardirqs last enabled at (1729): [] __up_console_sem+0x78/0x80 [ 43.518173] hardirqs last disabled at (1738): [] __up_console_sem+0x5d/0x80 [ 43.519429] softirqs last enabled at (1678): [] handle_softirqs+0x50c/0x770 [ 43.520737] softirqs last disabled at (1671): [] __irq_exit_rcu+0xc4/0x100 [ 43.521998] ---[ end trace 0000000000000000 ]--- Warning: Permanently added '[localhost]:49326' (ECDSA) to the list of known hosts. 2025/11/19 03:37:26 fuzzer started 2025/11/19 03:37:26 dialing manager at localhost:34383 2025/11/19 03:37:26 checking machine... 2025/11/19 03:37:26 checking revisions... [ 44.422692] kmemleak: Automatic memory scanning thread ended 2025/11/19 03:37:26 testing simple program... [ 44.495133] cgroup: Unknown subsys name 'net' [ 44.568109] cgroup: Unknown subsys name 'cpuset' [ 44.584585] cgroup: Unknown subsys name 'rlimit' executing program executing program executing program VM DIAGNOSIS: 03:37:25 Registers: info registers vcpu 0 RAX=0000000000022000 RBX=ffff888017a38000 RCX=0000000000000001 RDX=0000000000022005 RSI=0000000000000000 RDI=ffffffff85e1ffe0 RBP=ffff888017a38a58 RSP=ffff88806ce088c8 R8 =0000000000000000 R9 =0000000000000005 R10=0000000000000001 R11=0000000000000000 R12=ffff888017a38b20 R13=0000000000000000 R14=0000000000000000 R15=0000000000000000 RIP=ffffffff815270cc RFL=00000006 [-----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 00007fb187b40700 00000000 00000000 GS =0000 ffff8880e538f000 00000000 00000000 LDT=0000 fffffe1600000000 00000000 00000000 TR =0040 fffffe0000003000 00004087 00008b00 DPL=0 TSS64-busy GDT= fffffe0000001000 0000007f IDT= fffffe0000000000 00000fff CR0=80050033 CR2=00007feac0bb50b0 CR3=0000000017989000 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=656e6e6f637369642064657669656365 XMM02=63736964203a31313a36333633352074 XMM03=66207463656e6e6f6373696420646576 XMM04=6456774875434142334f726f59427469 XMM05=485320415352203a3268737320363336 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=0000000000000000 RBX=ffff888015667e78 RCX=ffff888015667944 RDX=0000000000000000 RSI=ffffffff85e1ffe0 RDI=ffff888009fe2618 RBP=ffff888015660000 RSP=ffff888015667968 R8 =0000000000000001 R9 =ffff888015667a30 R10=000000000003c9ed R11=00000000000273a5 R12=ffff888015667a01 R13=ffff888015667a38 R14=ffff888015667e48 R15=ffff8880156679f0 RIP=ffffffff815d2b28 RFL=00000296 [--S-AP-] 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 00007feac05fd900 00000000 00000000 GS =0000 ffff8880e548f000 00000000 00000000 LDT=0000 fffffe5800000000 00000000 00000000 TR =0040 fffffe000004a000 00004087 00008b00 DPL=0 TSS64-busy GDT= fffffe0000048000 0000007f IDT= fffffe0000000000 00000fff CR0=80050033 CR2=00007ffcc2be4000 CR3=000000001f91d000 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=000000000000000000ffff0000000000 XMM02=2f00646f6874656d5f74707972636e65 XMM03=5320444f4854454d5f54505952434e45 XMM04=40404040404040404040404040404040 XMM05=5a5a5a5a5a5a5a5a5a5a5a5a5a5a5a5a XMM06=20202020202020202020202020202020 XMM07=ff00ffffffffffffffffffffffffffff XMM08=20002020202020200020202020202020 XMM09=0000ffffffffffffffffffffffffffff XMM10=00002020202020200020202020202020 XMM11=00000000000000000000000000000000 XMM12=00000000000000000000000000000000 XMM13=00000000000000000000000000000000 XMM14=00000000000000000000000000000000 XMM15=00000000000000000000000000000000