syzkaller login: [ 45.625187] ------------[ cut here ]------------ [ 45.626134] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 45.628150] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#1: sshd/230 [ 45.629641] Modules linked in: [ 45.630247] CPU: 1 UID: 104 PID: 230 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251118 #1 PREEMPT(voluntary) [ 45.632482] Tainted: [W]=WARN [ 45.633173] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 45.634690] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 45.635569] 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 [ 45.638779] RSP: 0018:ffff88800e72fbc0 EFLAGS: 00010286 [ 45.639766] RAX: 0000000000000000 RBX: ffffed1001ce5f78 RCX: ffffffff813a4050 [ 45.641074] RDX: ffff88801a258000 RSI: ffffffff813a405e RDI: 0000000000000001 [ 45.642354] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed1001ce5f2f [ 45.643657] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 45.644966] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff88800e72fdf8 [ 45.646266] FS: 00007fd1c6705900(0000) GS:ffff8880e548f000(0000) knlGS:0000000000000000 [ 45.647713] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 45.648790] CR2: 00007fd1c6bf7580 CR3: 000000000bcd6000 CR4: 0000000000350ef0 [ 45.650082] Call Trace: [ 45.650546] [ 45.650988] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 45.651904] ? __create_object+0x59/0x80 [ 45.652700] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 45.653673] __vmalloc_noprof+0x59/0x60 [ 45.654383] bpf_prog_alloc_no_stats+0x55/0x470 [ 45.655266] ? __pfx_seccomp_check_filter+0x10/0x10 [ 45.656203] bpf_prog_alloc+0x39/0x200 [ 45.656967] ? __pfx_seccomp_check_filter+0x10/0x10 [ 45.657917] bpf_prog_create_from_user+0xb2/0x2f0 [ 45.658837] do_seccomp+0x349/0x25e0 [ 45.659515] ? __pfx_css_rstat_updated+0x10/0x10 [ 45.660408] ? __pfx_do_seccomp+0x10/0x10 [ 45.661218] ? find_held_lock+0x2b/0x80 [ 45.661991] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 45.662961] ? static_key_count+0x60/0x80 [ 45.663776] prctl_set_seccomp+0x4e/0x70 [ 45.664528] __do_sys_prctl+0xe6c/0x1d70 [ 45.665309] ? __pfx___do_sys_prctl+0x10/0x10 [ 45.666181] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 45.667150] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 45.668131] ? irqentry_exit+0xf3/0x650 [ 45.668913] do_syscall_64+0xbf/0x430 [ 45.669647] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 45.670559] RIP: 0033:0x7fd1c6bf75cd [ 45.671276] 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 [ 45.674487] RSP: 002b:00007ffca6130e70 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 45.675860] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007fd1c6bf75cd [ 45.677160] RDX: 0000562f48134e00 RSI: 0000000000000002 RDI: 0000000000000016 [ 45.678436] RBP: 00007ffca6130ed0 R08: 0000000000000000 R09: 00007ffca6130570 [ 45.679727] R10: 0000000000000000 R11: 0000000000000246 R12: 0000562f7966cad0 [ 45.681004] R13: 00007ffca6131300 R14: 0000562f7966dbc0 R15: 0000562f7967e780 [ 45.682335] [ 45.682790] irq event stamp: 1869 [ 45.683393] hardirqs last enabled at (1877): [] __up_console_sem+0x78/0x80 [ 45.684922] hardirqs last disabled at (1886): [] __up_console_sem+0x5d/0x80 [ 45.686436] softirqs last enabled at (1790): [] handle_softirqs+0x50c/0x770 [ 45.687976] softirqs last disabled at (1785): [] __irq_exit_rcu+0xc4/0x100 [ 45.689495] ---[ end trace 0000000000000000 ]--- [ 48.362486] ------------[ cut here ]------------ [ 48.363390] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 48.364273] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#0: sshd/238 [ 48.364896] Modules linked in: [ 48.365149] CPU: 0 UID: 104 PID: 238 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251118 #1 PREEMPT(voluntary) [ 48.365990] Tainted: [W]=WARN [ 48.366224] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 48.366849] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 48.367222] 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 [ 48.368568] RSP: 0018:ffff88801a36fbc0 EFLAGS: 00010286 [ 48.368977] RAX: 0000000000000000 RBX: ffffed100346df78 RCX: ffffffff813a4050 [ 48.369498] RDX: ffff888017435340 RSI: ffffffff813a405e RDI: 0000000000000001 [ 48.370042] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed100346df2f [ 48.370597] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 48.371124] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff88801a36fdf8 [ 48.371675] FS: 00007f8bd77aa900(0000) GS:ffff8880e538f000(0000) knlGS:0000000000000000 [ 48.372276] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 48.372735] CR2: 00007ffd89208ef7 CR3: 00000000204b0000 CR4: 0000000000350ef0 [ 48.373274] Call Trace: [ 48.373471] [ 48.373675] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 48.374038] ? __create_object+0x59/0x80 [ 48.374353] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 48.374799] __vmalloc_noprof+0x59/0x60 [ 48.375106] bpf_prog_alloc_no_stats+0x55/0x470 [ 48.375456] ? __pfx_seccomp_check_filter+0x10/0x10 [ 48.375859] bpf_prog_alloc+0x39/0x200 [ 48.376155] ? __pfx_seccomp_check_filter+0x10/0x10 [ 48.376536] bpf_prog_create_from_user+0xb2/0x2f0 [ 48.376924] do_seccomp+0x349/0x25e0 [ 48.377211] ? find_held_lock+0x2b/0x80 [ 48.377513] ? do_prlimit+0x310/0x610 [ 48.377834] ? __pfx_do_seccomp+0x10/0x10 [ 48.378148] ? do_raw_spin_unlock+0x53/0x220 [ 48.378479] ? _raw_spin_unlock+0x1e/0x40 [ 48.378809] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 48.379197] ? static_key_count+0x60/0x80 [ 48.379518] prctl_set_seccomp+0x4e/0x70 [ 48.379853] __do_sys_prctl+0xe6c/0x1d70 [ 48.380165] ? __pfx___do_sys_prctl+0x10/0x10 [ 48.380514] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 48.380929] ? irqentry_exit+0xf3/0x650 [ 48.381237] do_syscall_64+0xbf/0x430 [ 48.381530] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 48.381937] RIP: 0033:0x7f8bd7c9c5cd [ 48.382218] 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 [ 48.383569] RSP: 002b:00007ffd89206d70 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 48.384141] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f8bd7c9c5cd [ 48.384693] RDX: 00005638fc7b8e00 RSI: 0000000000000002 RDI: 0000000000000016 [ 48.385223] RBP: 00007ffd89206dd0 R08: 0000000000000000 R09: 00007ffd89206470 [ 48.385772] R10: 0000000000000000 R11: 0000000000000246 R12: 0000563902d86ad0 [ 48.386305] R13: 00007ffd89207200 R14: 0000563902d87bc0 R15: 0000563902d98780 [ 48.386870] [ 48.387053] irq event stamp: 1839 [ 48.387310] hardirqs last enabled at (1847): [] __up_console_sem+0x78/0x80 [ 48.387967] hardirqs last disabled at (1856): [] __up_console_sem+0x5d/0x80 [ 48.388623] softirqs last enabled at (1828): [] handle_softirqs+0x50c/0x770 [ 48.389261] softirqs last disabled at (1823): [] __irq_exit_rcu+0xc4/0x100 [ 48.389907] ---[ end trace 0000000000000000 ]--- [ 49.102132] ------------[ cut here ]------------ [ 49.103063] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 49.105079] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#0: sshd/245 [ 49.106544] Modules linked in: [ 49.107178] CPU: 0 UID: 104 PID: 245 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251118 #1 PREEMPT(voluntary) [ 49.109185] Tainted: [W]=WARN [ 49.109794] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 49.111288] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 49.112226] 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 [ 49.115441] RSP: 0018:ffff88801a167bc0 EFLAGS: 00010286 [ 49.116439] RAX: 0000000000000000 RBX: ffffed100342cf78 RCX: ffffffff813a4050 [ 49.117750] RDX: ffff888018ae1bc0 RSI: ffffffff813a405e RDI: 0000000000000001 [ 49.119045] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed100342cf2f [ 49.120369] R10: 0000000000000000 R11: 0000000000000001 R12: 0000000000400dc0 [ 49.121676] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff88801a167df8 [ 49.122999] FS: 00007f81177b4900(0000) GS:ffff8880e538f000(0000) knlGS:0000000000000000 [ 49.124456] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 49.125519] CR2: 00007f8117ca6580 CR3: 000000000e349000 CR4: 0000000000350ef0 [ 49.126822] Call Trace: [ 49.127297] [ 49.127746] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 49.128681] ? __create_object+0x59/0x80 [ 49.129450] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 49.130422] __vmalloc_noprof+0x59/0x60 [ 49.131181] bpf_prog_alloc_no_stats+0x55/0x470 [ 49.132080] ? __pfx_seccomp_check_filter+0x10/0x10 [ 49.133027] bpf_prog_alloc+0x39/0x200 [ 49.133781] ? __pfx_seccomp_check_filter+0x10/0x10 [ 49.134733] bpf_prog_create_from_user+0xb2/0x2f0 [ 49.135666] do_seccomp+0x349/0x25e0 [ 49.136369] ? __pfx_css_rstat_updated+0x10/0x10 [ 49.137286] ? __pfx_do_seccomp+0x10/0x10 [ 49.138086] ? find_held_lock+0x2b/0x80 [ 49.138874] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 49.139848] ? static_key_count+0x60/0x80 [ 49.140676] prctl_set_seccomp+0x4e/0x70 [ 49.141417] __do_sys_prctl+0xe6c/0x1d70 [ 49.142205] ? __pfx___do_sys_prctl+0x10/0x10 [ 49.143077] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 49.144059] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 49.145070] ? irqentry_exit+0xf3/0x650 [ 49.145840] do_syscall_64+0xbf/0x430 [ 49.146542] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 49.147498] RIP: 0033:0x7f8117ca65cd [ 49.148219] 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 [ 49.151430] RSP: 002b:00007fff6cb98820 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 49.152820] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f8117ca65cd [ 49.154117] RDX: 0000561ccde82e00 RSI: 0000000000000002 RDI: 0000000000000016 [ 49.155426] RBP: 00007fff6cb98880 R08: 0000000000000000 R09: 00007fff6cb97f20 [ 49.156725] R10: 0000000000000000 R11: 0000000000000246 R12: 0000561cdf8912b0 [ 49.158030] R13: 00007fff6cb98cb0 R14: 0000561cdf893d20 R15: 0000561cdf8a58d0 [ 49.159359] [ 49.159833] irq event stamp: 1717 [ 49.160453] hardirqs last enabled at (1725): [] __up_console_sem+0x78/0x80 [ 49.161664] hardirqs last disabled at (1734): [] __up_console_sem+0x5d/0x80 [ 49.162629] softirqs last enabled at (1694): [] handle_softirqs+0x50c/0x770 [ 49.163614] softirqs last disabled at (1689): [] __irq_exit_rcu+0xc4/0x100 [ 49.164553] ---[ end trace 0000000000000000 ]--- Warning: Permanently added '[localhost]:52296' (ECDSA) to the list of known hosts. 2025/11/18 15:14:10 fuzzer started 2025/11/18 15:14:10 dialing manager at localhost:34383 2025/11/18 15:14:10 checking machine... 2025/11/18 15:14:10 checking revisions... [ 50.079850] kmemleak: Automatic memory scanning thread ended 2025/11/18 15:14:11 testing simple program... [ 50.170701] cgroup: Unknown subsys name 'net' [ 50.240671] cgroup: Unknown subsys name 'cpuset' [ 50.256681] cgroup: Unknown subsys name 'rlimit' executing program executing program executing program VM DIAGNOSIS: 15:14:10 Registers: info registers vcpu 0 RAX=0000000000000002 RBX=ffff8880162b3780 RCX=0000000000000200 RDX=0000000000000008 RSI=ffff8880162b4250 RDI=ffff8880162b4228 RBP=ffff8880162b41d8 RSP=ffff88806ce088c8 R8 =0000000000000003 R9 =0000000000000000 R10=0000000000000001 R11=0000000000000000 R12=ffff8880162b4250 R13=851011111a724f4f R14=0000000000000000 R15=0000000000000003 RIP=ffffffff81527a56 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 00007f8bd77aa900 00000000 00000000 GS =0000 ffff8880e538f000 00000000 00000000 LDT=0000 fffffe6d00000000 00000000 00000000 TR =0040 fffffe0000003000 00004087 00008b00 DPL=0 TSS64-busy GDT= fffffe0000001000 0000007f IDT= fffffe0000000000 00000fff CR0=80050033 CR2=00007f8bd7759008 CR3=00000000203fb000 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=000000000002685d 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=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 fffffe4f00000000 00000000 00000000 TR =0040 fffffe000004a000 00004087 00008b00 DPL=0 TSS64-busy GDT= fffffe0000048000 0000007f IDT= fffffe0000000000 00000fff CR0=80050033 CR2=00007ffd5dd283b8 CR3=000000000cdfb000 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=d15d428cd3f62388154282397d89c1ce XMM02=2c67c8bc2e329bc30000000000300400 XMM03=fb795ef6d6577056000000000030e128 XMM04=0c415447a42d34da00000000000ae988 XMM05=1a58cb52dc18f6d7000000000031e018 XMM06=dc0c6e93582904ae0000000000318070 XMM07=e042d86d42eb936e000000000030e400 XMM08=038adf5c3c439d1e0000000000300460 XMM09=00000000000000000000000000000000 XMM10=20200000000020202020202020200000 XMM11=00000000000000000000000000000000 XMM12=00000000000000000000000000000000 XMM13=00000000000000000000000000000000 XMM14=00000000000000000000000000000000 XMM15=00000000000000000000000000000000