syzkaller login: [ 38.924782] ------------[ cut here ]------------ [ 38.925709] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 38.927745] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#0: sshd/232 [ 38.929211] Modules linked in: [ 38.929874] CPU: 0 UID: 104 PID: 232 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251117 #1 PREEMPT(voluntary) [ 38.931870] Tainted: [W]=WARN [ 38.932439] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 38.934149] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 38.935214] Code: e0 ad 11 00 81 e6 1f 52 ee ff 89 4c 24 40 89 74 24 30 90 48 c7 c7 00 38 f1 84 4c 8d 44 24 40 48 8d 54 24 30 e8 a0 7c 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 [ 38.938401] RSP: 0018:ffff888017c5fbc0 EFLAGS: 00010286 [ 38.939392] RAX: 0000000000000000 RBX: ffffed1002f8bf78 RCX: ffffffff813a4050 [ 38.940697] RDX: ffff888017d50000 RSI: ffffffff813a405e RDI: 0000000000000001 [ 38.941988] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed1002f8bf2f [ 38.943292] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 38.944590] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff888017c5fdf8 [ 38.945887] FS: 00007f83a0340900(0000) GS:ffff8880e538f000(0000) knlGS:0000000000000000 [ 38.947339] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 38.948427] CR2: 00007ffe17073ef7 CR3: 000000000b975000 CR4: 0000000000350ef0 [ 38.949727] Call Trace: [ 38.950195] [ 38.950659] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 38.951571] ? __create_object+0x59/0x80 [ 38.952326] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 38.953304] __vmalloc_noprof+0x59/0x60 [ 38.954064] bpf_prog_alloc_no_stats+0x55/0x470 [ 38.954953] ? __pfx_seccomp_check_filter+0x10/0x10 [ 38.955894] bpf_prog_alloc+0x39/0x200 [ 38.956642] ? __pfx_seccomp_check_filter+0x10/0x10 [ 38.957587] bpf_prog_create_from_user+0xb2/0x2f0 [ 38.958452] do_seccomp+0x349/0x25e0 [ 38.959184] ? find_held_lock+0x2b/0x80 [ 38.959951] ? do_prlimit+0x310/0x610 [ 38.960704] ? __pfx_do_seccomp+0x10/0x10 [ 38.961441] ? do_raw_spin_unlock+0x53/0x220 [ 38.962277] ? _raw_spin_unlock+0x1e/0x40 [ 38.963061] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 38.964027] ? static_key_count+0x60/0x80 [ 38.964849] prctl_set_seccomp+0x4e/0x70 [ 38.965628] __do_sys_prctl+0xe6c/0x1d70 [ 38.966358] ? __pfx___do_sys_prctl+0x10/0x10 [ 38.967217] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 38.968208] ? irqentry_exit+0xf3/0x650 [ 38.968977] do_syscall_64+0xbf/0x430 [ 38.969709] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 38.970653] RIP: 0033:0x7f83a08325cd [ 38.971313] 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 [ 38.974447] RSP: 002b:00007ffe17071bf0 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 38.975819] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f83a08325cd [ 38.977130] RDX: 000055a1598f7e00 RSI: 0000000000000002 RDI: 0000000000000016 [ 38.978401] RBP: 00007ffe17071c50 R08: 0000000000000000 R09: 00007ffe170712f0 [ 38.979679] R10: 0000000000000000 R11: 0000000000000246 R12: 000055a169a0cbf0 [ 38.980960] R13: 00007ffe17072080 R14: 000055a169a16380 R15: 000055a169a21460 [ 38.982250] [ 38.982709] irq event stamp: 1875 [ 38.983310] hardirqs last enabled at (1883): [] __up_console_sem+0x78/0x80 [ 38.984837] hardirqs last disabled at (1892): [] __up_console_sem+0x5d/0x80 [ 38.986339] softirqs last enabled at (1746): [] handle_softirqs+0x50c/0x770 [ 38.987865] softirqs last disabled at (1741): [] __irq_exit_rcu+0xc4/0x100 [ 38.989235] ---[ end trace 0000000000000000 ]--- [ 41.953092] ------------[ cut here ]------------ [ 41.954016] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 41.955966] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#0: sshd/241 [ 41.957449] Modules linked in: [ 41.958073] CPU: 0 UID: 104 PID: 241 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251117 #1 PREEMPT(voluntary) [ 41.960007] Tainted: [W]=WARN [ 41.960584] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 41.962030] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 41.962928] Code: e0 ad 11 00 81 e6 1f 52 ee ff 89 4c 24 40 89 74 24 30 90 48 c7 c7 00 38 f1 84 4c 8d 44 24 40 48 8d 54 24 30 e8 a0 7c 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 [ 41.966037] RSP: 0018:ffff8880172d7bc0 EFLAGS: 00010286 [ 41.966998] RAX: 0000000000000000 RBX: ffffed1002e5af78 RCX: ffffffff813a4050 [ 41.968264] RDX: ffff888017d53780 RSI: ffffffff813a405e RDI: 0000000000000001 [ 41.969521] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed1002e5af2f [ 41.970778] R10: 0000000000000000 R11: 0000000000000001 R12: 0000000000400dc0 [ 41.972024] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff8880172d7df8 [ 41.973295] FS: 00007fd5a9dae900(0000) GS:ffff8880e538f000(0000) knlGS:0000000000000000 [ 41.974709] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 41.975748] CR2: 00007ffe38997ef7 CR3: 000000001fa66000 CR4: 0000000000350ef0 [ 41.977028] Call Trace: [ 41.977535] [ 41.977937] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 41.978815] ? __create_object+0x59/0x80 [ 41.979586] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 41.980558] __vmalloc_noprof+0x59/0x60 [ 41.981255] bpf_prog_alloc_no_stats+0x55/0x470 [ 41.982105] ? __pfx_seccomp_check_filter+0x10/0x10 [ 41.983009] bpf_prog_alloc+0x39/0x200 [ 41.983727] ? __pfx_seccomp_check_filter+0x10/0x10 [ 41.984655] bpf_prog_create_from_user+0xb2/0x2f0 [ 41.985544] do_seccomp+0x349/0x25e0 [ 41.986200] ? find_held_lock+0x2b/0x80 [ 41.986944] ? do_prlimit+0x310/0x610 [ 41.987666] ? __pfx_do_seccomp+0x10/0x10 [ 41.988396] ? do_raw_spin_unlock+0x53/0x220 [ 41.989212] ? _raw_spin_unlock+0x1e/0x40 [ 41.989978] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 41.990923] ? static_key_count+0x60/0x80 [ 41.991703] prctl_set_seccomp+0x4e/0x70 [ 41.992429] __do_sys_prctl+0xe6c/0x1d70 [ 41.993199] ? __pfx___do_sys_prctl+0x10/0x10 [ 41.994045] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 41.995001] ? irqentry_exit+0xf3/0x650 [ 41.995747] do_syscall_64+0xbf/0x430 [ 41.996436] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 41.997381] RIP: 0033:0x7fd5aa2a05cd [ 41.998070] 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 [ 42.001156] RSP: 002b:00007ffe38996710 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 42.002503] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007fd5aa2a05cd [ 42.003754] RDX: 00005576e965de00 RSI: 0000000000000002 RDI: 0000000000000016 [ 42.005024] RBP: 00007ffe38996770 R08: 0000000000000000 R09: 00007ffe38995e10 [ 42.006294] R10: 0000000000000000 R11: 0000000000000246 R12: 000055771ae14ad0 [ 42.007544] R13: 00007ffe38996ba0 R14: 000055771ae15bc0 R15: 000055771ae26780 [ 42.008820] [ 42.009234] irq event stamp: 1753 [ 42.009873] hardirqs last enabled at (1763): [] __up_console_sem+0x78/0x80 [ 42.011373] hardirqs last disabled at (1772): [] __up_console_sem+0x5d/0x80 [ 42.012872] softirqs last enabled at (1722): [] handle_softirqs+0x50c/0x770 [ 42.014390] softirqs last disabled at (1717): [] __irq_exit_rcu+0xc4/0x100 [ 42.015871] ---[ end trace 0000000000000000 ]--- [ 42.762392] ------------[ cut here ]------------ [ 42.763298] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 42.765288] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#0: sshd/248 [ 42.766686] Modules linked in: [ 42.767260] CPU: 0 UID: 104 PID: 248 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251117 #1 PREEMPT(voluntary) [ 42.769196] Tainted: [W]=WARN [ 42.769790] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 42.771217] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 42.772123] Code: e0 ad 11 00 81 e6 1f 52 ee ff 89 4c 24 40 89 74 24 30 90 48 c7 c7 00 38 f1 84 4c 8d 44 24 40 48 8d 54 24 30 e8 a0 7c 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 [ 42.775171] RSP: 0018:ffff88800fcafbc0 EFLAGS: 00010286 [ 42.776141] RAX: 0000000000000000 RBX: ffffed1001f95f78 RCX: ffffffff813a4050 [ 42.777393] RDX: ffff888016070000 RSI: ffffffff813a405e RDI: 0000000000000001 [ 42.778638] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed1001f95f2f [ 42.779900] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 42.781165] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff88800fcafdf8 [ 42.782423] FS: 00007f06f1c24900(0000) GS:ffff8880e538f000(0000) knlGS:0000000000000000 [ 42.783820] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 42.784870] CR2: 00007f06f2116580 CR3: 000000000d732000 CR4: 0000000000350ef0 [ 42.786099] Call Trace: [ 42.786583] [ 42.786983] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 42.787856] ? __create_object+0x59/0x80 [ 42.788644] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 42.789607] __vmalloc_noprof+0x59/0x60 [ 42.790293] bpf_prog_alloc_no_stats+0x55/0x470 [ 42.791159] ? __pfx_seccomp_check_filter+0x10/0x10 [ 42.792045] bpf_prog_alloc+0x39/0x200 [ 42.792772] ? __pfx_seccomp_check_filter+0x10/0x10 [ 42.793687] bpf_prog_create_from_user+0xb2/0x2f0 [ 42.794570] do_seccomp+0x349/0x25e0 [ 42.795227] ? __pfx_css_rstat_updated+0x10/0x10 [ 42.796117] ? __pfx_do_seccomp+0x10/0x10 [ 42.796898] ? find_held_lock+0x2b/0x80 [ 42.797641] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 42.798584] ? static_key_count+0x60/0x80 [ 42.799327] prctl_set_seccomp+0x4e/0x70 [ 42.800076] __do_sys_prctl+0xe6c/0x1d70 [ 42.800847] ? __pfx___do_sys_prctl+0x10/0x10 [ 42.801682] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 42.802634] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 42.803603] ? irqentry_exit+0xf3/0x650 [ 42.804316] do_syscall_64+0xbf/0x430 [ 42.805036] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 42.805965] RIP: 0033:0x7f06f21165cd [ 42.806650] 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 [ 42.809710] RSP: 002b:00007ffe63d79af0 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 42.811020] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f06f21165cd [ 42.812275] RDX: 000055636168ee00 RSI: 0000000000000002 RDI: 0000000000000016 [ 42.813521] RBP: 00007ffe63d79b50 R08: 0000000000000000 R09: 00007ffe63d791f0 [ 42.814771] R10: 0000000000000000 R11: 0000000000000246 R12: 0000556387ea1ad0 [ 42.816007] R13: 00007ffe63d79f80 R14: 0000556387ea2bc0 R15: 0000556387eb3780 [ 42.817296] [ 42.817757] irq event stamp: 1737 [ 42.818349] hardirqs last enabled at (1745): [] __up_console_sem+0x78/0x80 [ 42.819831] hardirqs last disabled at (1754): [] __up_console_sem+0x5d/0x80 [ 42.821319] softirqs last enabled at (1724): [] handle_softirqs+0x50c/0x770 [ 42.822809] softirqs last disabled at (1719): [] __irq_exit_rcu+0xc4/0x100 [ 42.824298] ---[ end trace 0000000000000000 ]--- Warning: Permanently added '[localhost]:53248' (ECDSA) to the list of known hosts. 2025/11/18 06:50:12 fuzzer started 2025/11/18 06:50:12 dialing manager at localhost:37895 2025/11/18 06:50:12 checking machine... 2025/11/18 06:50:12 checking revisions... [ 43.688387] kmemleak: Automatic memory scanning thread ended 2025/11/18 06:50:12 testing simple program... [ 43.809728] cgroup: Unknown subsys name 'net' [ 43.882666] cgroup: Unknown subsys name 'cpuset' [ 43.900427] cgroup: Unknown subsys name 'rlimit' executing program executing program executing program VM DIAGNOSIS: 06:50:12 Registers: info registers vcpu 0 RAX=8b73b888e558bc00 RBX=ffff888009627978 RCX=ffffffff86a49c36 RDX=0000000000000000 RSI=ffffffff8135e7a2 RDI=ffffffff85e1ffe0 RBP=ffffffff85e1ffe0 RSP=ffff888009627788 R8 =ffffffff86a49c3a R9 =ffff888009627880 R10=000000000003c9ed R11=0000000000012f69 R12=ffffffff8135e7a2 R13=ffff888009627888 R14=ffff888009627978 R15=ffff888009627840 RIP=ffffffff81528ee4 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 0000000000000000 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=00007f2efa272000 CR3=000000000ddf6000 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=e8b1f9d1f23affa5a944ab88f733fe9e XMM02=2c67c8bc2e329bc30000000000304418 XMM03=fb795ef6d65770560000000000311800 XMM04=e112c1bddf447c7200000000000ae988 XMM05=d96330e2d2db86320000000000321b70 XMM06=474038aa6c007e1f00000000003219f8 XMM07=e042d86d42eb936e0000000000312240 XMM08=41e5625c8d0ebd7a0000000000304478 XMM09=00000000000000000000000000000000 XMM10=20200000000020202020202020200000 XMM11=00000000000000000000000000000000 XMM12=00000000000000000000000000000000 XMM13=00000000000000000000000000000000 XMM14=00000000000000000000000000000000 XMM15=00000000000000000000000000000000 info registers vcpu 1 RAX=ffff88801bc4faf0 RBX=0000000000000001 RCX=ffff88801bc4f544 RDX=1ffff11003789ec7 RSI=ffffffff81a7f2f9 RDI=ffff88801bc4f5f0 RBP=ffff88801bc4f648 RSP=ffff88801bc4f580 R8 =0000000000000001 R9 =ffff88801bc4f630 R10=000000000003c9ed R11=0000000000023010 R12=0000000000000000 R13=ffff88801bc4f638 R14=ffff888014353780 R15=ffff88801bc4f5f0 RIP=ffffffff8135e495 RFL=00000246 [---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 00007fd5a9dae900 00000000 00000000 GS =0000 ffff8880e548f000 00000000 00000000 LDT=0000 fffffe2f00000000 00000000 00000000 TR =0040 fffffe000004a000 00004087 00008b00 DPL=0 TSS64-busy GDT= fffffe0000048000 0000007f IDT= fffffe0000000000 00000fff CR0=80050033 CR2=00007fd5a9d8d020 CR3=000000000db28000 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