Debian GNU/Linux 11 syzkaller ttyS0 syzkaller login: [ 54.259060] ------------[ cut here ]------------ [ 54.259964] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 54.262143] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#1: sshd/234 [ 54.263578] Modules linked in: [ 54.264217] CPU: 1 UID: 104 PID: 234 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251117 #1 PREEMPT(voluntary) [ 54.266339] Tainted: [W]=WARN [ 54.266896] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 54.268362] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 54.269314] 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 [ 54.272467] RSP: 0018:ffff888017f1fbc0 EFLAGS: 00010286 [ 54.273470] RAX: 0000000000000000 RBX: ffffed1002fe3f78 RCX: ffffffff813a4050 [ 54.274716] RDX: ffff888019c20000 RSI: ffffffff813a405e RDI: 0000000000000001 [ 54.275956] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed1002fe3f2f [ 54.277243] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 54.278502] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff888017f1fdf8 [ 54.279753] FS: 00007f5eefdf7900(0000) GS:ffff8880e548f000(0000) knlGS:0000000000000000 [ 54.281201] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 54.282245] CR2: 00007f5ef035d4a6 CR3: 000000000ea28000 CR4: 0000000000350ef0 [ 54.283502] Call Trace: [ 54.283954] [ 54.284383] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 54.285305] ? __create_object+0x59/0x80 [ 54.286073] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 54.286971] __vmalloc_noprof+0x59/0x60 [ 54.287715] bpf_prog_alloc_no_stats+0x55/0x470 [ 54.288570] ? __pfx_seccomp_check_filter+0x10/0x10 [ 54.289525] bpf_prog_alloc+0x39/0x200 [ 54.290249] ? __pfx_seccomp_check_filter+0x10/0x10 [ 54.291160] bpf_prog_create_from_user+0xb2/0x2f0 [ 54.291994] do_seccomp+0x349/0x25e0 [ 54.292706] ? find_held_lock+0x2b/0x80 [ 54.293495] ? do_prlimit+0x310/0x610 [ 54.294222] ? __pfx_do_seccomp+0x10/0x10 [ 54.294948] ? do_raw_spin_unlock+0x53/0x220 [ 54.295772] ? _raw_spin_unlock+0x1e/0x40 [ 54.296529] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 54.297508] ? static_key_count+0x60/0x80 [ 54.298309] prctl_set_seccomp+0x4e/0x70 [ 54.299068] __do_sys_prctl+0xe6c/0x1d70 [ 54.299787] ? __pfx___do_sys_prctl+0x10/0x10 [ 54.300626] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 54.301615] ? irqentry_exit+0xf3/0x650 [ 54.302365] do_syscall_64+0xbf/0x430 [ 54.303095] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 54.303975] RIP: 0033:0x7f5ef02e95cd [ 54.304666] 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 [ 54.307772] RSP: 002b:00007ffc15449210 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 54.309168] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f5ef02e95cd [ 54.310261] RDX: 000055f78f3fde00 RSI: 0000000000000002 RDI: 0000000000000016 [ 54.311318] RBP: 00007ffc15449270 R08: 0000000000000000 R09: 00007ffc15448910 [ 54.312376] R10: 0000000000000000 R11: 0000000000000246 R12: 000055f7b0e69ad0 [ 54.313454] R13: 00007ffc154496a0 R14: 000055f7b0e6abc0 R15: 000055f7b0e7b780 [ 54.314520] [ 54.314866] irq event stamp: 1759 [ 54.315384] hardirqs last enabled at (1769): [] __up_console_sem+0x78/0x80 [ 54.316628] hardirqs last disabled at (1778): [] __up_console_sem+0x5d/0x80 [ 54.317909] softirqs last enabled at (1698): [] handle_softirqs+0x50c/0x770 [ 54.319174] softirqs last disabled at (1693): [] __irq_exit_rcu+0xc4/0x100 [ 54.320417] ---[ end trace 0000000000000000 ]--- [ 56.937307] ------------[ cut here ]------------ [ 56.938224] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 56.940296] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#1: sshd/242 [ 56.941772] Modules linked in: [ 56.942394] CPU: 1 UID: 104 PID: 242 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251117 #1 PREEMPT(voluntary) [ 56.944349] Tainted: [W]=WARN [ 56.944919] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 56.946376] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 56.947284] 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 [ 56.950463] RSP: 0018:ffff8880171dfbc0 EFLAGS: 00010286 [ 56.951428] RAX: 0000000000000000 RBX: ffffed1002e3bf78 RCX: ffffffff813a4050 [ 56.952681] RDX: ffff88800a0b5340 RSI: ffffffff813a405e RDI: 0000000000000001 [ 56.953967] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed1002e3bf2f [ 56.955215] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 56.956487] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff8880171dfdf8 [ 56.957789] FS: 00007f00f35fa900(0000) GS:ffff8880e548f000(0000) knlGS:0000000000000000 [ 56.959210] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 56.960262] CR2: 00007ffd6bff1ef8 CR3: 000000000bd76000 CR4: 0000000000350ef0 [ 56.961558] Call Trace: [ 56.962016] [ 56.962467] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 56.963353] ? __create_object+0x59/0x80 [ 56.964132] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 56.965126] __vmalloc_noprof+0x59/0x60 [ 56.965846] bpf_prog_alloc_no_stats+0x55/0x470 [ 56.966716] ? __pfx_seccomp_check_filter+0x10/0x10 [ 56.967643] bpf_prog_alloc+0x39/0x200 [ 56.968369] ? __pfx_seccomp_check_filter+0x10/0x10 [ 56.969320] bpf_prog_create_from_user+0xb2/0x2f0 [ 56.970213] do_seccomp+0x349/0x25e0 [ 56.970884] ? find_held_lock+0x2b/0x80 [ 56.971632] ? do_prlimit+0x310/0x610 [ 56.972372] ? __pfx_do_seccomp+0x10/0x10 [ 56.973181] ? do_raw_spin_unlock+0x53/0x220 [ 56.973972] ? _raw_spin_unlock+0x1e/0x40 [ 56.974756] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 56.975723] ? static_key_count+0x60/0x80 [ 56.976511] prctl_set_seccomp+0x4e/0x70 [ 56.977314] __do_sys_prctl+0xe6c/0x1d70 [ 56.978083] ? __pfx___do_sys_prctl+0x10/0x10 [ 56.978881] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 56.979838] ? irqentry_exit+0xf3/0x650 [ 56.980594] do_syscall_64+0xbf/0x430 [ 56.981357] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 56.982311] RIP: 0033:0x7f00f3aec5cd [ 56.982965] 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 [ 56.986131] RSP: 002b:00007ffd6bfef9b0 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 56.987471] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f00f3aec5cd [ 56.988744] RDX: 0000557714a92e00 RSI: 0000000000000002 RDI: 0000000000000016 [ 56.990054] RBP: 00007ffd6bfefa10 R08: 0000000000000000 R09: 00007ffd6bfef0b0 [ 56.991332] R10: 0000000000000000 R11: 0000000000000246 R12: 000055774c8d6ad0 [ 56.992591] R13: 00007ffd6bfefe40 R14: 000055774c8d7bc0 R15: 000055774c8e8780 [ 56.993919] [ 56.994373] irq event stamp: 1707 [ 56.994978] hardirqs last enabled at (1715): [] __up_console_sem+0x78/0x80 [ 56.996517] hardirqs last disabled at (1726): [] __up_console_sem+0x5d/0x80 [ 56.998057] softirqs last enabled at (1628): [] handle_softirqs+0x50c/0x770 [ 56.999574] softirqs last disabled at (1623): [] __irq_exit_rcu+0xc4/0x100 [ 57.001109] ---[ end trace 0000000000000000 ]--- [ 57.691287] ------------[ cut here ]------------ [ 57.692152] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 57.694080] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#1: sshd/250 [ 57.695411] Modules linked in: [ 57.695931] CPU: 1 UID: 104 PID: 250 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251117 #1 PREEMPT(voluntary) [ 57.697709] Tainted: [W]=WARN [ 57.698228] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 57.699523] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 57.700332] 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 [ 57.703110] RSP: 0018:ffff88801bd9fbc0 EFLAGS: 00010286 [ 57.703927] RAX: 0000000000000000 RBX: ffffed10037b3f78 RCX: ffffffff813a4050 [ 57.705059] RDX: ffff888017795340 RSI: ffffffff813a405e RDI: 0000000000000001 [ 57.706190] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed10037b3f2f [ 57.707312] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 57.708441] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff88801bd9fdf8 [ 57.709585] FS: 00007f703249d900(0000) GS:ffff8880e548f000(0000) knlGS:0000000000000000 [ 57.710845] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 57.711773] CR2: 00007ffff4eeaef8 CR3: 000000001f60e000 CR4: 0000000000350ef0 [ 57.712906] Call Trace: [ 57.713343] [ 57.713702] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 57.714493] ? __create_object+0x59/0x80 [ 57.715185] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 57.715993] __vmalloc_noprof+0x59/0x60 [ 57.716654] bpf_prog_alloc_no_stats+0x55/0x470 [ 57.717430] ? __pfx_seccomp_check_filter+0x10/0x10 [ 57.718256] bpf_prog_alloc+0x39/0x200 [ 57.718860] ? __pfx_seccomp_check_filter+0x10/0x10 [ 57.719676] bpf_prog_create_from_user+0xb2/0x2f0 [ 57.720469] do_seccomp+0x349/0x25e0 [ 57.721107] ? find_held_lock+0x2b/0x80 [ 57.721740] ? do_prlimit+0x310/0x610 [ 57.722399] ? __pfx_do_seccomp+0x10/0x10 [ 57.723086] ? do_raw_spin_unlock+0x53/0x220 [ 57.723777] ? _raw_spin_unlock+0x1e/0x40 [ 57.724467] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 57.725320] ? static_key_count+0x60/0x80 [ 57.725987] prctl_set_seccomp+0x4e/0x70 [ 57.726665] __do_sys_prctl+0xe6c/0x1d70 [ 57.727349] ? __pfx___do_sys_prctl+0x10/0x10 [ 57.728118] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 57.728962] ? irqentry_exit+0xf3/0x650 [ 57.729647] do_syscall_64+0xbf/0x430 [ 57.730299] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 57.731149] RIP: 0033:0x7f703298f5cd [ 57.731740] 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 [ 57.734588] RSP: 002b:00007ffff4ee8310 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 57.735810] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f703298f5cd [ 57.737005] RDX: 000055ff9492ee00 RSI: 0000000000000002 RDI: 0000000000000016 [ 57.738168] RBP: 00007ffff4ee8370 R08: 0000000000000000 R09: 00007ffff4ee7a10 [ 57.739317] R10: 0000000000000000 R11: 0000000000000246 R12: 000055ff960732b0 [ 57.740468] R13: 00007ffff4ee87a0 R14: 000055ff96075d20 R15: 000055ff960878d0 [ 57.741637] [ 57.742066] irq event stamp: 1757 [ 57.742606] hardirqs last enabled at (1765): [] __up_console_sem+0x78/0x80 [ 57.743970] hardirqs last disabled at (1774): [] __up_console_sem+0x5d/0x80 [ 57.745359] softirqs last enabled at (1788): [] handle_softirqs+0x50c/0x770 [ 57.746753] softirqs last disabled at (1783): [] __irq_exit_rcu+0xc4/0x100 [ 57.748109] ---[ end trace 0000000000000000 ]--- Warning: Permanently added '[localhost]:8073' (ECDSA) to the list of known hosts. 2025/11/17 11:32:31 fuzzer started 2025/11/17 11:32:31 dialing manager at localhost:37895 2025/11/17 11:32:31 checking machine... 2025/11/17 11:32:31 checking revisions... [ 58.669479] kmemleak: Automatic memory scanning thread ended 2025/11/17 11:32:31 testing simple program... [ 58.758820] cgroup: Unknown subsys name 'net' [ 58.833140] cgroup: Unknown subsys name 'cpuset' [ 58.845545] cgroup: Unknown subsys name 'rlimit' executing program executing program executing program VM DIAGNOSIS: 11:32:30 Registers: info registers vcpu 0 RAX=0000000000000008 RBX=0000000000000001 RCX=0000557c1f0114a0 RDX=0000557c319dcee0 RSI=0000000000000000 RDI=0000557c1f03e238 RBP=0000557c1f03d908 RSP=00007fe8589e2a80 R8 =0000000000000000 R9 =0000000000000000 R10=0000000000000000 R11=0000000000000000 R12=0000557c319cfe00 R13=0000557c1f05c004 R14=0000557c319d3a20 R15=0000557c319cfe30 RIP=0000557c1f015384 RFL=00000206 [-----P-] CPL=3 II=0 A20=1 SMM=0 HLT=0 ES =0000 0000000000000000 00000000 00000000 CS =0033 0000000000000000 ffffffff 00a0fb00 DPL=3 CS64 [-RA] SS =002b 0000000000000000 ffffffff 00c0f300 DPL=3 DS [-WA] DS =0000 0000000000000000 00000000 00000000 FS =0000 00007fe8589e3700 00000000 00000000 GS =0000 0000000000000000 00000000 00000000 LDT=0000 fffffe7c00000000 00000000 00000000 TR =0040 fffffe0000003000 00004087 00008b00 DPL=0 TSS64-busy GDT= fffffe0000001000 0000007f IDT= fffffe0000000000 00000fff CR0=80050033 CR2=00007fff9c5a3998 CR3=000000000a227000 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=2030333a32333a313120373120766f4e XMM01=6964206465766965636552203a5d3134 XMM02=6f63736964203a31313a303634373520 XMM03=7266207463656e6e6f63736964206465 XMM04=69662068637573206f4e203a656c6163 XMM05=3a656c696620766e65206e65706f206f XMM06=65733a6468737328766e655f6d617020 XMM07=6b7a79732030333a32333a3131203731 XMM08=30343d7974696c696261706163202279 XMM09=00000000000000000000000000000000 XMM10=00000000000000000000000000000000 XMM11=00000000000000000000000000000000 XMM12=00000000000000000000000000000000 XMM13=00000000000000000000000000000000 XMM14=00000000000000000000000000000000 XMM15=00000000000000000000000000000000 info registers vcpu 1 RAX=0000000000000002 RBX=0000000000000200 RCX=ffffffff87cecb40 RDX=0000000000000008 RSI=ffff888017184200 RDI=ffff888017183780 RBP=ffff888017183780 RSP=ffff88806cf08828 R8 =0000000000000000 R9 =0000000000000005 R10=0000000000000001 R11=0000000000000000 R12=0000000000000008 R13=0000000000000001 R14=ffff888017184200 R15=0000000000000003 RIP=ffffffff815265fb 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 00007f00f35fa900 00000000 00000000 GS =0000 ffff8880e548f000 00000000 00000000 LDT=0000 fffffe4400000000 00000000 00000000 TR =0040 fffffe000004a000 00004087 00008b00 DPL=0 TSS64-busy GDT= fffffe0000048000 0000007f IDT= fffffe0000000000 00000fff CR0=80050033 CR2=00007f00f3bb1618 CR3=000000000d64f000 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=6e69676f6c5f6d61702c78756e696c65 XMM02=755f6d61702c74696d7265705f6d6170 XMM03=2c766e655f6d61702c7374696d696c5f XMM04=6d61702c766e655f6d61702c7374696d XMM05=78696e755f6d61702c74696d7265705f XMM06=6469756e69676f6c5f6d61702c78756e XMM07=672065736f6c635f6e6f69737365733a XMM08=61662029286e65706f5f746964756100 XMM09=00000000000000000000000000000000 XMM10=00000000000000000000000000000000 XMM11=00000000000000000000000000000000 XMM12=00000000000000000000000000000000 XMM13=00000000000000000000000000000000 XMM14=00000000000000000000000000000000 XMM15=00000000000000000000000000000000