Debian GNU/Linux 11 syzkaller ttyS0 syzkaller login: [ 38.943300] ------------[ cut here ]------------ [ 38.944257] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 38.946254] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#1: sshd/233 [ 38.947722] Modules linked in: [ 38.948618] CPU: 1 UID: 104 PID: 233 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251118 #1 PREEMPT(voluntary) [ 38.950893] Tainted: [W]=WARN [ 38.951471] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 38.952972] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 38.953899] 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 [ 38.957167] RSP: 0018:ffff88801923fbc0 EFLAGS: 00010286 [ 38.958173] RAX: 0000000000000000 RBX: ffffed1003247f78 RCX: ffffffff813a4050 [ 38.959446] RDX: ffff88801ba35340 RSI: ffffffff813a405e RDI: 0000000000000001 [ 38.960742] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed1003247f2f [ 38.962050] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 38.963348] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff88801923fdf8 [ 38.964630] FS: 00007f9c8405a900(0000) GS:ffff8880e548f000(0000) knlGS:0000000000000000 [ 38.966067] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 38.967112] CR2: 00007ffebc808ef8 CR3: 0000000009fe3000 CR4: 0000000000350ef0 [ 38.968422] Call Trace: [ 38.968926] [ 38.969335] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 38.970219] ? __create_object+0x59/0x80 [ 38.970989] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 38.971994] __vmalloc_noprof+0x59/0x60 [ 38.972708] bpf_prog_alloc_no_stats+0x55/0x470 [ 38.973579] ? __pfx_seccomp_check_filter+0x10/0x10 [ 38.974507] bpf_prog_alloc+0x39/0x200 [ 38.975234] ? __pfx_seccomp_check_filter+0x10/0x10 [ 38.976166] bpf_prog_create_from_user+0xb2/0x2f0 [ 38.977057] do_seccomp+0x349/0x25e0 [ 38.977727] ? find_held_lock+0x2b/0x80 [ 38.978472] ? do_prlimit+0x310/0x610 [ 38.979208] ? __pfx_do_seccomp+0x10/0x10 [ 38.980010] ? do_raw_spin_unlock+0x53/0x220 [ 38.980837] ? _raw_spin_unlock+0x1e/0x40 [ 38.981565] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 38.982536] ? static_key_count+0x60/0x80 [ 38.983323] prctl_set_seccomp+0x4e/0x70 [ 38.984114] __do_sys_prctl+0xe6c/0x1d70 [ 38.984908] ? __pfx___do_sys_prctl+0x10/0x10 [ 38.985717] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 38.986665] ? irqentry_exit+0xf3/0x650 [ 38.987441] do_syscall_64+0xbf/0x430 [ 38.988183] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 38.989141] RIP: 0033:0x7f9c8454c5cd [ 38.989850] 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 [ 38.993050] RSP: 002b:00007ffebc807d70 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 38.994393] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f9c8454c5cd [ 38.995669] RDX: 00005648f6e99e00 RSI: 0000000000000002 RDI: 0000000000000016 [ 38.996960] RBP: 00007ffebc807dd0 R08: 0000000000000000 R09: 00007ffebc807470 [ 38.998235] R10: 0000000000000000 R11: 0000000000000246 R12: 0000564923d89ad0 [ 38.999510] R13: 00007ffebc808200 R14: 0000564923d8abc0 R15: 0000564923d9b780 [ 39.000847] [ 39.001272] irq event stamp: 1913 [ 39.001920] hardirqs last enabled at (1923): [] __up_console_sem+0x78/0x80 [ 39.003429] hardirqs last disabled at (1932): [] __up_console_sem+0x5d/0x80 [ 39.004945] softirqs last enabled at (1468): [] handle_softirqs+0x50c/0x770 [ 39.006479] softirqs last disabled at (1463): [] __irq_exit_rcu+0xc4/0x100 [ 39.008001] ---[ end trace 0000000000000000 ]--- [ 41.789704] ------------[ cut here ]------------ [ 41.790651] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 41.792624] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#1: sshd/241 [ 41.794038] Modules linked in: [ 41.794613] CPU: 1 UID: 104 PID: 241 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251118 #1 PREEMPT(voluntary) [ 41.796550] Tainted: [W]=WARN [ 41.797135] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 41.798573] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 41.799477] 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 [ 41.802884] RSP: 0018:ffff88800f40fbc0 EFLAGS: 00010286 [ 41.803915] RAX: 0000000000000000 RBX: ffffed1001e81f78 RCX: ffffffff813a4050 [ 41.805181] RDX: ffff888016703780 RSI: ffffffff813a405e RDI: 0000000000000001 [ 41.806453] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed1001e81f2f [ 41.807735] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 41.809034] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff88800f40fdf8 [ 41.810342] FS: 00007f325de50900(0000) GS:ffff8880e548f000(0000) knlGS:0000000000000000 [ 41.811990] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 41.813066] CR2: 00007ffffeb70ef8 CR3: 0000000021561000 CR4: 0000000000350ef0 [ 41.814350] Call Trace: [ 41.814868] [ 41.815286] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 41.816201] ? __create_object+0x59/0x80 [ 41.816986] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 41.817952] __vmalloc_noprof+0x59/0x60 [ 41.818667] bpf_prog_alloc_no_stats+0x55/0x470 [ 41.819525] ? __pfx_seccomp_check_filter+0x10/0x10 [ 41.820466] bpf_prog_alloc+0x39/0x200 [ 41.821205] ? __pfx_seccomp_check_filter+0x10/0x10 [ 41.822134] bpf_prog_create_from_user+0xb2/0x2f0 [ 41.823028] do_seccomp+0x349/0x25e0 [ 41.823711] ? find_held_lock+0x2b/0x80 [ 41.824698] ? do_prlimit+0x310/0x610 [ 41.825469] ? __pfx_do_seccomp+0x10/0x10 [ 41.826264] ? do_raw_spin_unlock+0x53/0x220 [ 41.827111] ? _raw_spin_unlock+0x1e/0x40 [ 41.827889] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 41.828914] ? static_key_count+0x60/0x80 [ 41.829681] prctl_set_seccomp+0x4e/0x70 [ 41.830440] __do_sys_prctl+0xe6c/0x1d70 [ 41.831224] ? __pfx___do_sys_prctl+0x10/0x10 [ 41.832095] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 41.833061] ? irqentry_exit+0xf3/0x650 [ 41.833839] do_syscall_64+0xbf/0x430 [ 41.834558] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 41.835504] RIP: 0033:0x7f325e3425cd [ 41.836244] 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 [ 41.839417] RSP: 002b:00007ffffeb6e7b0 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 41.840760] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f325e3425cd [ 41.841820] RDX: 0000563d484b1e00 RSI: 0000000000000002 RDI: 0000000000000016 [ 41.842863] RBP: 00007ffffeb6e810 R08: 0000000000000000 R09: 00007ffffeb6deb0 [ 41.843916] R10: 0000000000000000 R11: 0000000000000246 R12: 0000563d65c67240 [ 41.845012] R13: 00007ffffeb6ec40 R14: 0000563d65c66bf0 R15: 0000563d65c7b4d0 [ 41.846122] [ 41.846480] irq event stamp: 1855 [ 41.847021] hardirqs last enabled at (1865): [] __up_console_sem+0x78/0x80 [ 41.848294] hardirqs last disabled at (1874): [] __up_console_sem+0x5d/0x80 [ 41.849537] softirqs last enabled at (1766): [] handle_softirqs+0x50c/0x770 [ 41.850823] softirqs last disabled at (1761): [] __irq_exit_rcu+0xc4/0x100 [ 41.852073] ---[ end trace 0000000000000000 ]--- [ 42.539899] ------------[ cut here ]------------ [ 42.540829] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 42.542814] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#1: sshd/249 [ 42.545434] Modules linked in: [ 42.546072] CPU: 1 UID: 104 PID: 249 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251118 #1 PREEMPT(voluntary) [ 42.548033] Tainted: [W]=WARN [ 42.548578] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 42.550015] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 42.550910] 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 [ 42.554052] RSP: 0018:ffff88800e357bc0 EFLAGS: 00010286 [ 42.555021] RAX: 0000000000000000 RBX: ffffed1001c6af78 RCX: ffffffff813a4050 [ 42.556294] RDX: ffff888017b28000 RSI: ffffffff813a405e RDI: 0000000000000001 [ 42.557555] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed1001c6af2f [ 42.558836] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 42.560110] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff88800e357df8 [ 42.561375] FS: 00007f61830e4900(0000) GS:ffff8880e548f000(0000) knlGS:0000000000000000 [ 42.562805] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 42.563850] CR2: 00007f61835d6580 CR3: 00000000215ea000 CR4: 0000000000350ef0 [ 42.565129] Call Trace: [ 42.565596] [ 42.566047] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 42.566931] ? __create_object+0x59/0x80 [ 42.567668] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 42.568633] __vmalloc_noprof+0x59/0x60 [ 42.569380] bpf_prog_alloc_no_stats+0x55/0x470 [ 42.570244] ? __pfx_seccomp_check_filter+0x10/0x10 [ 42.571159] bpf_prog_alloc+0x39/0x200 [ 42.571908] ? __pfx_seccomp_check_filter+0x10/0x10 [ 42.572839] bpf_prog_create_from_user+0xb2/0x2f0 [ 42.573681] do_seccomp+0x349/0x25e0 [ 42.574389] ? __pfx_css_rstat_updated+0x10/0x10 [ 42.575283] ? __pfx_do_seccomp+0x10/0x10 [ 42.576077] ? find_held_lock+0x2b/0x80 [ 42.576841] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 42.577743] ? static_key_count+0x60/0x80 [ 42.578545] prctl_set_seccomp+0x4e/0x70 [ 42.579313] __do_sys_prctl+0xe6c/0x1d70 [ 42.580099] ? __pfx___do_sys_prctl+0x10/0x10 [ 42.580966] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 42.581925] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 42.582886] ? irqentry_exit+0xf3/0x650 [ 42.583590] do_syscall_64+0xbf/0x430 [ 42.584332] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 42.585272] RIP: 0033:0x7f61835d65cd [ 42.585970] 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 [ 42.589127] RSP: 002b:00007ffdde871cf0 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 42.590477] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f61835d65cd [ 42.591735] RDX: 000055cf014dbe00 RSI: 0000000000000002 RDI: 0000000000000016 [ 42.593027] RBP: 00007ffdde871d50 R08: 0000000000000000 R09: 00007ffdde8713f0 [ 42.594306] R10: 0000000000000000 R11: 0000000000000246 R12: 000055cf1afa6ad0 [ 42.595576] R13: 00007ffdde872180 R14: 000055cf1afa7bc0 R15: 000055cf1afb8780 [ 42.596876] [ 42.597257] irq event stamp: 2041 [ 42.597755] hardirqs last enabled at (2049): [] __up_console_sem+0x78/0x80 [ 42.599040] hardirqs last disabled at (2060): [] __up_console_sem+0x5d/0x80 [ 42.600304] softirqs last enabled at (2000): [] handle_softirqs+0x50c/0x770 [ 42.601578] softirqs last disabled at (1995): [] __irq_exit_rcu+0xc4/0x100 [ 42.602824] ---[ end trace 0000000000000000 ]--- Warning: Permanently added '[localhost]:37532' (ECDSA) to the list of known hosts. 2025/11/19 03:02:54 fuzzer started 2025/11/19 03:02:54 dialing manager at localhost:34383 2025/11/19 03:02:54 checking machine... 2025/11/19 03:02:54 checking revisions... [ 43.521987] kmemleak: Automatic memory scanning thread ended 2025/11/19 03:02:54 testing simple program... [ 43.608535] cgroup: Unknown subsys name 'net' [ 43.671045] cgroup: Unknown subsys name 'cpuset' [ 43.685126] cgroup: Unknown subsys name 'rlimit' executing program executing program executing program VM DIAGNOSIS: 03:02:53 Registers: info registers vcpu 0 RAX=dffffc0000000000 RBX=ffff8880216b86f0 RCX=1ffff110042d70de RDX=000000000000001d RSI=0000000000000000 RDI=ffffed10042d70de RBP=00000000000000e8 RSP=ffff88801794f8d8 R8 =ffff8880216b86f0 R9 =00000000ffffffff R10=ffff88801794f998 R11=0000000000000000 R12=ffff8880216b86f0 R13=0000000000092800 R14=ffff888008c4b780 R15=0000000000092800 RIP=ffffffff84c73bf0 RFL=00000216 [----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 00007f325de50900 00000000 00000000 GS =0000 ffff8880e538f000 00000000 00000000 LDT=0000 fffffe5100000000 00000000 00000000 TR =0040 fffffe0000003000 00004087 00008b00 DPL=0 TSS64-busy GDT= fffffe0000001000 0000007f IDT= fffffe0000000000 00000fff CR0=80050033 CR2=00007f325de1f008 CR3=000000000d000000 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=0000000000022991 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 fffffe5800000000 00000000 00000000 TR =0040 fffffe000004a000 00004087 00008b00 DPL=0 TSS64-busy GDT= fffffe0000048000 0000007f IDT= fffffe0000000000 00000fff CR0=80050033 CR2=00007f3102896000 CR3=000000000e14f000 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=32303a333020393120766f4e3e36383c XMM01=7365733a646873732878696e755f6d61 XMM02=736f6c63206e6f6973736573203a296e XMM03=5f6d6170203a5d3034325b6468737320 XMM04=6456774875434142334f726f59427469 XMM05=485320415352203a3268737320343738 XMM06=206d6f726620746f6f7220726f662079 XMM07=00000000000000000000000000000000 XMM08=3a677562656420676f6c737973720000 XMM09=00000000000000000000000000000000 XMM10=00000000000000000000000000000000 XMM11=00000000000000000000000000000000 XMM12=00000000000000000000000000000000 XMM13=00000000000000000000000000000000 XMM14=00000000000000000000000000000000 XMM15=00000000000000000000000000000000