syzkaller login: [ 45.831206] ------------[ cut here ]------------ [ 45.832148] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 45.834135] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#1: sshd/232 [ 45.835866] Modules linked in: [ 45.836455] CPU: 1 UID: 104 PID: 232 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251118 #1 PREEMPT(voluntary) [ 45.838440] Tainted: [W]=WARN [ 45.839031] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 45.840501] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 45.841425] 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 [ 45.844568] RSP: 0018:ffff88801aca7bc0 EFLAGS: 00010286 [ 45.845555] RAX: 0000000000000000 RBX: ffffed1003594f78 RCX: ffffffff813a4050 [ 45.846822] RDX: ffff88801affd340 RSI: ffffffff813a405e RDI: 0000000000000001 [ 45.848091] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed1003594f2f [ 45.849369] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 45.850635] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff88801aca7df8 [ 45.851908] FS: 00007f501050b900(0000) GS:ffff8880e548f000(0000) knlGS:0000000000000000 [ 45.853342] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 45.854393] CR2: 00007ffcb9f7fef7 CR3: 000000000dcbd000 CR4: 0000000000350ef0 [ 45.855662] Call Trace: [ 45.856164] [ 45.856568] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 45.857467] ? __create_object+0x59/0x80 [ 45.858232] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 45.859181] __vmalloc_noprof+0x59/0x60 [ 45.859925] bpf_prog_alloc_no_stats+0x55/0x470 [ 45.860793] ? __pfx_seccomp_check_filter+0x10/0x10 [ 45.861671] bpf_prog_alloc+0x39/0x200 [ 45.862413] ? __pfx_seccomp_check_filter+0x10/0x10 [ 45.863332] bpf_prog_create_from_user+0xb2/0x2f0 [ 45.864233] do_seccomp+0x349/0x25e0 [ 45.864963] ? find_held_lock+0x2b/0x80 [ 45.865716] ? do_prlimit+0x310/0x610 [ 45.866409] ? __pfx_do_seccomp+0x10/0x10 [ 45.867195] ? do_raw_spin_unlock+0x53/0x220 [ 45.868025] ? _raw_spin_unlock+0x1e/0x40 [ 45.868801] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 45.869762] ? static_key_count+0x60/0x80 [ 45.870510] prctl_set_seccomp+0x4e/0x70 [ 45.871279] __do_sys_prctl+0xe6c/0x1d70 [ 45.872044] ? __pfx___do_sys_prctl+0x10/0x10 [ 45.872911] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 45.873879] ? irqentry_exit+0xf3/0x650 [ 45.874591] do_syscall_64+0xbf/0x430 [ 45.875329] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 45.876270] RIP: 0033:0x7f50109fd5cd [ 45.876982] 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 [ 45.880120] RSP: 002b:00007ffcb9f7d6a0 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 45.881485] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f50109fd5cd [ 45.882762] RDX: 0000557101122e00 RSI: 0000000000000002 RDI: 0000000000000016 [ 45.884043] RBP: 00007ffcb9f7d700 R08: 0000000000000000 R09: 00007ffcb9f7cda0 [ 45.885325] R10: 0000000000000000 R11: 0000000000000246 R12: 000055710de4f240 [ 45.886589] R13: 00007ffcb9f7db30 R14: 000055710de4ebf0 R15: 000055710de634d0 [ 45.887873] [ 45.888292] irq event stamp: 3315 [ 45.888933] hardirqs last enabled at (3325): [] __up_console_sem+0x78/0x80 [ 45.890440] hardirqs last disabled at (3334): [] __up_console_sem+0x5d/0x80 [ 45.891940] softirqs last enabled at (3274): [] handle_softirqs+0x50c/0x770 [ 45.893464] softirqs last disabled at (3269): [] __irq_exit_rcu+0xc4/0x100 [ 45.894958] ---[ end trace 0000000000000000 ]--- [ 48.601092] ------------[ cut here ]------------ [ 48.602202] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 48.604636] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#1: sshd/242 [ 48.606405] Modules linked in: [ 48.607135] CPU: 1 UID: 104 PID: 242 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251118 #1 PREEMPT(voluntary) [ 48.609500] Tainted: [W]=WARN [ 48.610171] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 48.612450] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 48.614277] 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 [ 48.618221] RSP: 0018:ffff88801c37fbc0 EFLAGS: 00010286 [ 48.619415] RAX: 0000000000000000 RBX: ffffed100386ff78 RCX: ffffffff813a4050 [ 48.620749] RDX: ffff888019a90000 RSI: ffffffff813a405e RDI: 0000000000000001 [ 48.622012] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed100386ff2f [ 48.623248] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 48.624559] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff88801c37fdf8 [ 48.625938] FS: 00007effd72c7900(0000) GS:ffff8880e548f000(0000) knlGS:0000000000000000 [ 48.627430] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 48.628603] CR2: 00007fff597d9ef7 CR3: 000000000e38d000 CR4: 0000000000350ef0 [ 48.629966] Call Trace: [ 48.630461] [ 48.630953] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 48.631926] ? __create_object+0x59/0x80 [ 48.632784] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 48.633851] __vmalloc_noprof+0x59/0x60 [ 48.634618] bpf_prog_alloc_no_stats+0x55/0x470 [ 48.635556] ? __pfx_seccomp_check_filter+0x10/0x10 [ 48.636550] bpf_prog_alloc+0x39/0x200 [ 48.637451] ? __pfx_seccomp_check_filter+0x10/0x10 [ 48.638468] bpf_prog_create_from_user+0xb2/0x2f0 [ 48.639508] do_seccomp+0x349/0x25e0 [ 48.640312] ? find_held_lock+0x2b/0x80 [ 48.641178] ? do_prlimit+0x310/0x610 [ 48.642028] ? __pfx_do_seccomp+0x10/0x10 [ 48.642933] ? do_raw_spin_unlock+0x53/0x220 [ 48.643856] ? _raw_spin_unlock+0x1e/0x40 [ 48.644737] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 48.645829] ? static_key_count+0x60/0x80 [ 48.646657] prctl_set_seccomp+0x4e/0x70 [ 48.647536] __do_sys_prctl+0xe6c/0x1d70 [ 48.648535] ? __pfx___do_sys_prctl+0x10/0x10 [ 48.649402] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 48.650281] ? irqentry_exit+0xf3/0x650 [ 48.650975] do_syscall_64+0xbf/0x430 [ 48.651590] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 48.652428] RIP: 0033:0x7effd77b95cd [ 48.653039] 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 [ 48.655845] RSP: 002b:00007fff597d8520 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 48.657110] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007effd77b95cd [ 48.658227] RDX: 00005602709f7e00 RSI: 0000000000000002 RDI: 0000000000000016 [ 48.659353] RBP: 00007fff597d8580 R08: 0000000000000000 R09: 00007fff597d7c20 [ 48.660752] R10: 0000000000000000 R11: 0000000000000246 R12: 000056029197db10 [ 48.661964] R13: 00007fff597d89b0 R14: 000056029197e2b0 R15: 00005602919926f0 [ 48.663132] [ 48.663525] irq event stamp: 1933 [ 48.664142] hardirqs last enabled at (1943): [] __up_console_sem+0x78/0x80 [ 48.665463] hardirqs last disabled at (1952): [] __up_console_sem+0x5d/0x80 [ 48.666838] softirqs last enabled at (1872): [] handle_softirqs+0x50c/0x770 [ 48.668266] softirqs last disabled at (1865): [] __irq_exit_rcu+0xc4/0x100 [ 48.669659] ---[ end trace 0000000000000000 ]--- [ 49.411413] ------------[ cut here ]------------ [ 49.412012] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 49.413281] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#0: sshd/249 [ 49.414212] Modules linked in: [ 49.414592] CPU: 0 UID: 104 PID: 249 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251118 #1 PREEMPT(voluntary) [ 49.415865] Tainted: [W]=WARN [ 49.416232] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 49.417177] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 49.417764] 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 [ 49.419796] RSP: 0018:ffff88801a547bc0 EFLAGS: 00010286 [ 49.420391] RAX: 0000000000000000 RBX: ffffed10034a8f78 RCX: ffffffff813a4050 [ 49.421218] RDX: ffff88800eefd340 RSI: ffffffff813a405e RDI: 0000000000000001 [ 49.422039] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed10034a8f2f [ 49.422861] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 49.423645] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff88801a547df8 [ 49.424467] FS: 00007fc9a3138900(0000) GS:ffff8880e538f000(0000) knlGS:0000000000000000 [ 49.425398] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 49.426073] CR2: 00007ffe7a51def7 CR3: 000000000c7fe000 CR4: 0000000000350ef0 [ 49.426893] Call Trace: [ 49.427188] [ 49.427447] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 49.428015] ? __create_object+0x59/0x80 [ 49.428485] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 49.429116] __vmalloc_noprof+0x59/0x60 [ 49.429576] bpf_prog_alloc_no_stats+0x55/0x470 [ 49.430122] ? __pfx_seccomp_check_filter+0x10/0x10 [ 49.430704] bpf_prog_alloc+0x39/0x200 [ 49.431141] ? __pfx_seccomp_check_filter+0x10/0x10 [ 49.431733] bpf_prog_create_from_user+0xb2/0x2f0 [ 49.432281] do_seccomp+0x349/0x25e0 [ 49.432735] ? find_held_lock+0x2b/0x80 [ 49.433199] ? do_prlimit+0x310/0x610 [ 49.433641] ? __pfx_do_seccomp+0x10/0x10 [ 49.434142] ? do_raw_spin_unlock+0x53/0x220 [ 49.434642] ? _raw_spin_unlock+0x1e/0x40 [ 49.435143] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 49.435752] ? static_key_count+0x60/0x80 [ 49.436233] prctl_set_seccomp+0x4e/0x70 [ 49.436722] __do_sys_prctl+0xe6c/0x1d70 [ 49.437198] ? __pfx___do_sys_prctl+0x10/0x10 [ 49.437736] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 49.438320] ? irqentry_exit+0xf3/0x650 [ 49.438804] do_syscall_64+0xbf/0x430 [ 49.439245] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 49.439840] RIP: 0033:0x7fc9a362a5cd [ 49.440259] 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 [ 49.442260] RSP: 002b:00007ffe7a51c0c0 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 49.443139] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007fc9a362a5cd [ 49.443963] RDX: 000055bb86714e00 RSI: 0000000000000002 RDI: 0000000000000016 [ 49.444776] RBP: 00007ffe7a51c120 R08: 0000000000000000 R09: 00007ffe7a51b7c0 [ 49.445569] R10: 0000000000000000 R11: 0000000000000246 R12: 000055bb9224ead0 [ 49.446380] R13: 00007ffe7a51c550 R14: 000055bb9224fbc0 R15: 000055bb92260780 [ 49.447208] [ 49.447478] irq event stamp: 1655 [ 49.447888] hardirqs last enabled at (1665): [] __up_console_sem+0x78/0x80 [ 49.448860] hardirqs last disabled at (1674): [] __up_console_sem+0x5d/0x80 [ 49.449821] softirqs last enabled at (1172): [] handle_softirqs+0x50c/0x770 [ 49.450795] softirqs last disabled at (1163): [] __irq_exit_rcu+0xc4/0x100 [ 49.451756] ---[ end trace 0000000000000000 ]--- Warning: Permanently added '[localhost]:10008' (ECDSA) to the list of known hosts. 2025/11/19 04:21:52 fuzzer started 2025/11/19 04:21:53 dialing manager at localhost:34383 2025/11/19 04:21:53 checking machine... 2025/11/19 04:21:53 checking revisions... [ 50.342025] kmemleak: Automatic memory scanning thread ended 2025/11/19 04:21:53 testing simple program... [ 50.433547] cgroup: Unknown subsys name 'net' [ 50.490457] cgroup: Unknown subsys name 'cpuset' [ 50.504076] cgroup: Unknown subsys name 'rlimit' executing program executing program executing program VM DIAGNOSIS: 04:21:52 Registers: info registers vcpu 0 RAX=ffffffff81b2d6aa RBX=ffffffff81619130 RCX=ffff88806ce089a4 RDX=1ffff1100d9c1155 RSI=ffffffff81b2d6aa RDI=ffff88806ce08b18 RBP=ffff88806ce08ae8 RSP=ffff88806ce08a48 R8 =ffffffff86ab8488 R9 =ffff88806ce08a90 R10=000000000003c9ed R11=00000000000255cb R12=ffff88806ce08b18 R13=0000000000000000 R14=ffff888019a93780 R15=ffff888009472140 RIP=ffffffff81619134 RFL=00000286 [--S--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 00007effd72c7900 00000000 00000000 GS =0000 ffff8880e538f000 00000000 00000000 LDT=0000 fffffe4500000000 00000000 00000000 TR =0040 fffffe0000003000 00004087 00008b00 DPL=0 TSS64-busy GDT= fffffe0000001000 0000007f IDT= fffffe0000000000 00000fff CR0=80050033 CR2=00007effd72a6020 CR3=00000000216f5000 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=00000000000000e8 RBX=0000000000000000 RCX=ffff888021595a68 RDX=ffff888021595b50 RSI=00000000000000fb RDI=ffff888021595a68 RBP=ffff888008c4b780 RSP=ffff88806cf08dd8 R8 =0000000000000000 R9 =0000000000000128 R10=ffffffff8664f857 R11=0000000000000001 R12=ffff888021595a68 R13=0000000000000000 R14=ffff888021595a68 R15=ffff888008c4b780 RIP=ffffffff81b2e15e 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 0000000000000000 00000000 00000000 GS =0000 ffff8880e548f000 00000000 00000000 LDT=0000 fffffe1600000000 00000000 00000000 TR =0040 fffffe000004a000 00004087 00008b00 DPL=0 TSS64-busy GDT= fffffe0000048000 0000007f IDT= fffffe0000000000 00000fff CR0=80050033 CR2=00005602919c4000 CR3=000000000d2c3000 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=31323a343020393120766f4e3e36383c XMM01=7365733a646873732878696e755f6d61 XMM02=736f6c63206e6f6973736573203a296e XMM03=5f6d6170203a5d3034325b6468737320 XMM04=6456774875434142334f726f59427469 XMM05=485320415352203a3268737320383136 XMM06=206d6f726620746f6f7220726f662079 XMM07=00000000000000000000000000000000 XMM08=3a677562656420676f6c737973720000 XMM09=00000000000000000000000000000000 XMM10=00000000000000000000000000000000 XMM11=00000000000000000000000000000000 XMM12=00000000000000000000000000000000 XMM13=00000000000000000000000000000000 XMM14=00000000000000000000000000000000 XMM15=00000000000000000000000000000000