Debian GNU/Linux 11 syzkaller ttyS0 syzkaller login: [ 39.043294] ------------[ cut here ]------------ [ 39.044196] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 39.046205] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#1: sshd/234 [ 39.047663] Modules linked in: [ 39.048516] CPU: 1 UID: 104 PID: 234 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251118 #1 PREEMPT(voluntary) [ 39.050589] Tainted: [W]=WARN [ 39.051187] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 39.052674] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 39.053589] 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 [ 39.056782] RSP: 0018:ffff888019547bc0 EFLAGS: 00010286 [ 39.057752] RAX: 0000000000000000 RBX: ffffed10032a8f78 RCX: ffffffff813a4050 [ 39.059044] RDX: ffff888017ca8000 RSI: ffffffff813a405e RDI: 0000000000000001 [ 39.060321] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed10032a8f2f [ 39.061596] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 39.062891] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff888019547df8 [ 39.064172] FS: 00007fabebaa8900(0000) GS:ffff8880e548f000(0000) knlGS:0000000000000000 [ 39.065603] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 39.066672] CR2: 00007ffefae65ef7 CR3: 0000000009f99000 CR4: 0000000000350ef0 [ 39.067958] Call Trace: [ 39.068466] [ 39.068884] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 39.069795] ? __create_object+0x59/0x80 [ 39.070573] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 39.071536] __vmalloc_noprof+0x59/0x60 [ 39.072303] bpf_prog_alloc_no_stats+0x55/0x470 [ 39.073134] ? __pfx_seccomp_check_filter+0x10/0x10 [ 39.074062] bpf_prog_alloc+0x39/0x200 [ 39.074805] ? __pfx_seccomp_check_filter+0x10/0x10 [ 39.075734] bpf_prog_create_from_user+0xb2/0x2f0 [ 39.076628] do_seccomp+0x349/0x25e0 [ 39.077363] ? find_held_lock+0x2b/0x80 [ 39.078080] ? do_prlimit+0x310/0x610 [ 39.078837] ? __pfx_do_seccomp+0x10/0x10 [ 39.079612] ? do_raw_spin_unlock+0x53/0x220 [ 39.080449] ? _raw_spin_unlock+0x1e/0x40 [ 39.081239] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 39.082197] ? static_key_count+0x60/0x80 [ 39.082968] prctl_set_seccomp+0x4e/0x70 [ 39.083746] __do_sys_prctl+0xe6c/0x1d70 [ 39.084539] ? __pfx___do_sys_prctl+0x10/0x10 [ 39.085402] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 39.086366] ? irqentry_exit+0xf3/0x650 [ 39.087093] do_syscall_64+0xbf/0x430 [ 39.087834] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 39.088797] RIP: 0033:0x7fabebf9a5cd [ 39.089504] 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 [ 39.092686] RSP: 002b:00007ffefae64540 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 39.094043] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007fabebf9a5cd [ 39.095328] RDX: 000055ec2eb0fe00 RSI: 0000000000000002 RDI: 0000000000000016 [ 39.096600] RBP: 00007ffefae645a0 R08: 0000000000000000 R09: 00007ffefae63c40 [ 39.097885] R10: 0000000000000000 R11: 0000000000000246 R12: 000055ec428d6b10 [ 39.099181] R13: 00007ffefae649d0 R14: 000055ec428d72b0 R15: 000055ec428eb6f0 [ 39.100484] [ 39.100910] irq event stamp: 1831 [ 39.101556] hardirqs last enabled at (1841): [] __up_console_sem+0x78/0x80 [ 39.103091] hardirqs last disabled at (1850): [] __up_console_sem+0x5d/0x80 [ 39.104639] softirqs last enabled at (1820): [] handle_softirqs+0x50c/0x770 [ 39.106190] softirqs last disabled at (1815): [] __irq_exit_rcu+0xc4/0x100 [ 39.107730] ---[ end trace 0000000000000000 ]--- [ 41.747060] ------------[ cut here ]------------ [ 41.747976] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 41.749954] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#1: sshd/242 [ 41.751454] Modules linked in: [ 41.752038] CPU: 1 UID: 104 PID: 242 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251118 #1 PREEMPT(voluntary) [ 41.753994] Tainted: [W]=WARN [ 41.754583] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 41.756043] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 41.756943] 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 [ 41.760102] RSP: 0018:ffff888013db7bc0 EFLAGS: 00010286 [ 41.761072] RAX: 0000000000000000 RBX: ffffed10027b6f78 RCX: ffffffff813a4050 [ 41.762354] RDX: ffff888013ecb780 RSI: ffffffff813a405e RDI: 0000000000000001 [ 41.763624] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed10027b6f2f [ 41.764913] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 41.766176] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff888013db7df8 [ 41.767465] FS: 00007f1ce9e4a900(0000) GS:ffff8880e548f000(0000) knlGS:0000000000000000 [ 41.768908] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 41.769978] CR2: 00007fff72254ef7 CR3: 000000000d667000 CR4: 0000000000350ef0 [ 41.771272] Call Trace: [ 41.771736] [ 41.772138] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 41.773030] ? __create_object+0x59/0x80 [ 41.773810] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 41.774922] __vmalloc_noprof+0x59/0x60 [ 41.775859] bpf_prog_alloc_no_stats+0x55/0x470 [ 41.776911] ? __pfx_seccomp_check_filter+0x10/0x10 [ 41.777911] bpf_prog_alloc+0x39/0x200 [ 41.778658] ? __pfx_seccomp_check_filter+0x10/0x10 [ 41.779589] bpf_prog_create_from_user+0xb2/0x2f0 [ 41.780479] do_seccomp+0x349/0x25e0 [ 41.781210] ? find_held_lock+0x2b/0x80 [ 41.781919] ? do_prlimit+0x310/0x610 [ 41.782669] ? __pfx_do_seccomp+0x10/0x10 [ 41.783460] ? do_raw_spin_unlock+0x53/0x220 [ 41.784291] ? _raw_spin_unlock+0x1e/0x40 [ 41.785032] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 41.785988] ? static_key_count+0x60/0x80 [ 41.786794] prctl_set_seccomp+0x4e/0x70 [ 41.787561] __do_sys_prctl+0xe6c/0x1d70 [ 41.788350] ? __pfx___do_sys_prctl+0x10/0x10 [ 41.789200] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 41.790133] ? irqentry_exit+0xf3/0x650 [ 41.790899] do_syscall_64+0xbf/0x430 [ 41.791633] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 41.792581] RIP: 0033:0x7f1cea33c5cd [ 41.793279] 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 [ 41.796417] RSP: 002b:00007fff72252b10 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 41.797762] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f1cea33c5cd [ 41.799056] RDX: 0000556835fc4e00 RSI: 0000000000000002 RDI: 0000000000000016 [ 41.800173] RBP: 00007fff72252b70 R08: 0000000000000000 R09: 00007fff72252210 [ 41.801250] R10: 0000000000000000 R11: 0000000000000246 R12: 000055686cd69ad0 [ 41.802333] R13: 00007fff72252fa0 R14: 000055686cd6abc0 R15: 000055686cd7b780 [ 41.803430] [ 41.803781] irq event stamp: 1775 [ 41.804322] hardirqs last enabled at (1785): [] __up_console_sem+0x78/0x80 [ 41.805599] hardirqs last disabled at (1794): [] __up_console_sem+0x5d/0x80 [ 41.806891] softirqs last enabled at (1268): [] handle_softirqs+0x50c/0x770 [ 41.808192] softirqs last disabled at (1255): [] __irq_exit_rcu+0xc4/0x100 [ 41.809464] ---[ end trace 0000000000000000 ]--- [ 42.493200] ------------[ cut here ]------------ [ 42.494069] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 42.496071] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#0: sshd/250 [ 42.497527] Modules linked in: [ 42.498111] CPU: 0 UID: 104 PID: 250 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251118 #1 PREEMPT(voluntary) [ 42.500106] Tainted: [W]=WARN [ 42.500694] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 42.502158] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 42.503034] 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 [ 42.506435] RSP: 0018:ffff88800de5fbc0 EFLAGS: 00010286 [ 42.507482] RAX: 0000000000000000 RBX: ffffed1001bcbf78 RCX: ffffffff813a4050 [ 42.508783] RDX: ffff888013ec9bc0 RSI: ffffffff813a405e RDI: 0000000000000001 [ 42.510047] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed1001bcbf2f [ 42.511332] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 42.512610] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff88800de5fdf8 [ 42.513894] FS: 00007fb09f6fa900(0000) GS:ffff8880e538f000(0000) knlGS:0000000000000000 [ 42.515317] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 42.516380] CR2: 00007ffdb1e2bef7 CR3: 0000000016c2c000 CR4: 0000000000350ef0 [ 42.517657] Call Trace: [ 42.518118] [ 42.518594] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 42.519484] ? __create_object+0x59/0x80 [ 42.520270] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 42.521241] __vmalloc_noprof+0x59/0x60 [ 42.521938] bpf_prog_alloc_no_stats+0x55/0x470 [ 42.522807] ? __pfx_seccomp_check_filter+0x10/0x10 [ 42.523722] bpf_prog_alloc+0x39/0x200 [ 42.524460] ? __pfx_seccomp_check_filter+0x10/0x10 [ 42.525383] bpf_prog_create_from_user+0xb2/0x2f0 [ 42.526282] do_seccomp+0x349/0x25e0 [ 42.526955] ? find_held_lock+0x2b/0x80 [ 42.527699] ? do_prlimit+0x310/0x610 [ 42.528450] ? __pfx_do_seccomp+0x10/0x10 [ 42.529239] ? do_raw_spin_unlock+0x53/0x220 [ 42.530007] ? _raw_spin_unlock+0x1e/0x40 [ 42.530798] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 42.531747] ? static_key_count+0x60/0x80 [ 42.532538] prctl_set_seccomp+0x4e/0x70 [ 42.533312] __do_sys_prctl+0xe6c/0x1d70 [ 42.534040] ? __pfx___do_sys_prctl+0x10/0x10 [ 42.534895] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 42.535850] ? irqentry_exit+0xf3/0x650 [ 42.536600] do_syscall_64+0xbf/0x430 [ 42.537330] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 42.538271] RIP: 0033:0x7fb09fbec5cd [ 42.538940] 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 [ 42.542087] RSP: 002b:00007ffdb1e2ab40 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 42.543467] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007fb09fbec5cd [ 42.544730] RDX: 0000555977297e00 RSI: 0000000000000002 RDI: 0000000000000016 [ 42.545991] RBP: 00007ffdb1e2aba0 R08: 0000000000000000 R09: 00007ffdb1e2a240 [ 42.547280] R10: 0000000000000000 R11: 0000000000000246 R12: 000055597ed27b10 [ 42.548547] R13: 00007ffdb1e2afd0 R14: 000055597ed282b0 R15: 000055597ed3c6f0 [ 42.549841] [ 42.550313] irq event stamp: 1833 [ 42.550924] hardirqs last enabled at (1841): [] __up_console_sem+0x78/0x80 [ 42.552446] hardirqs last disabled at (1850): [] __up_console_sem+0x5d/0x80 [ 42.553987] softirqs last enabled at (1820): [] handle_softirqs+0x50c/0x770 [ 42.555534] softirqs last disabled at (1815): [] __irq_exit_rcu+0xc4/0x100 [ 42.557020] ---[ end trace 0000000000000000 ]--- Warning: Permanently added '[localhost]:4229' (ECDSA) to the list of known hosts. 2025/11/19 04:33:16 fuzzer started 2025/11/19 04:33:17 dialing manager at localhost:34383 2025/11/19 04:33:17 checking machine... 2025/11/19 04:33:17 checking revisions... [ 43.398066] kmemleak: Automatic memory scanning thread ended 2025/11/19 04:33:17 testing simple program... [ 43.487731] cgroup: Unknown subsys name 'net' [ 43.560324] cgroup: Unknown subsys name 'cpuset' [ 43.573908] cgroup: Unknown subsys name 'rlimit' executing program executing program executing program VM DIAGNOSIS: 04:33:16 Registers: info registers vcpu 0 RAX=0000000000000000 RBX=0000000000000001 RCX=ffffffff81374a6c RDX=ffff888013f39bc0 RSI=ffffffff813747f0 RDI=0000000000000001 RBP=000000001644a8c0 RSP=ffff88801816fa28 R8 =0000000000000001 R9 =0000000000000000 R10=0000000000000001 R11=0000000000000001 R12=ffff88807ffd8640 R13=ffff88807ffd7660 R14=ffff88801644a8c0 R15=ffff88800944cc80 RIP=ffffffff81751e08 RFL=00000202 [-------] 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 00007f1ce9e4a900 00000000 00000000 GS =0000 ffff8880e538f000 00000000 00000000 LDT=0000 fffffe2400000000 00000000 00000000 TR =0040 fffffe0000003000 00004087 00008b00 DPL=0 TSS64-busy GDT= fffffe0000001000 0000007f IDT= fffffe0000000000 00000fff CR0=80050033 CR2=00007f1ce9e19008 CR3=000000000e530000 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=ffffffff813c14f4 RBX=ffffffff81619130 RCX=ffff88806cf089c4 RDX=1ffff1100d9e1159 RSI=ffffffff813c14f4 RDI=ffff88806cf08b38 RBP=ffff88806cf08b08 RSP=ffff88806cf08a68 R8 =0000000000000001 R9 =ffff88806cf08ab0 R10=000000000003c9ed R11=0000000000008964 R12=ffff88806cf08b38 R13=0000000000000000 R14=ffff888009643780 R15=ffff888008c4b780 RIP=ffffffff81619134 RFL=00000282 [--S----] 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 fffffe1900000000 00000000 00000000 TR =0040 fffffe000004a000 00004087 00008b00 DPL=0 TSS64-busy GDT= fffffe0000048000 0000007f IDT= fffffe0000000000 00000fff CR0=80050033 CR2=00007fffafee6978 CR3=000000000d975000 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=2036313a33333a343020393120766f4e XMM01=73732878696e755f6d6170203a5d3134 XMM02=65736f6c63206e6f6973736573203a29 XMM03=755f6d6170203a5d3134325b64687373 XMM04=69662068637573206f4e203a656c6163 XMM05=3a656c696620766e65206e65706f206f XMM06=65733a6468737328766e655f6d617020 XMM07=6b7a79732036313a33333a3430203931 XMM08=30343d7974696c696261706163202279 XMM09=00000000000000000000000000000000 XMM10=00000000000000000000000000000000 XMM11=00000000000000000000000000000000 XMM12=00000000000000000000000000000000 XMM13=00000000000000000000000000000000 XMM14=00000000000000000000000000000000 XMM15=00000000000000000000000000000000