Debian GNU/Linux 11 syzkaller ttyS0 syzkaller login: [ 46.798499] ------------[ cut here ]------------ [ 46.799431] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 46.801472] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#1: sshd/242 [ 46.802942] Modules linked in: [ 46.803546] CPU: 1 UID: 104 PID: 242 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251117 #1 PREEMPT(voluntary) [ 46.805505] Tainted: [W]=WARN [ 46.806105] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 46.807622] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 46.808543] 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 [ 46.811730] RSP: 0018:ffff888017367bc0 EFLAGS: 00010286 [ 46.812711] RAX: 0000000000000000 RBX: ffffed1002e6cf78 RCX: ffffffff813a4050 [ 46.813997] RDX: ffff8880159e3780 RSI: ffffffff813a405e RDI: 0000000000000001 [ 46.815299] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed1002e6cf2f [ 46.816585] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 46.817892] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff888017367df8 [ 46.819196] FS: 00007fe4cd14e900(0000) GS:ffff8880e548f000(0000) knlGS:0000000000000000 [ 46.820648] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 46.821708] CR2: 00007ffc47ff0ef7 CR3: 0000000009c64000 CR4: 0000000000350ef0 [ 46.823011] Call Trace: [ 46.823474] [ 46.823929] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 46.824792] ? __create_object+0x59/0x80 [ 46.825579] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 46.826579] __vmalloc_noprof+0x59/0x60 [ 46.827365] bpf_prog_alloc_no_stats+0x55/0x470 [ 46.828254] ? __pfx_seccomp_check_filter+0x10/0x10 [ 46.829189] bpf_prog_alloc+0x39/0x200 [ 46.829941] ? __pfx_seccomp_check_filter+0x10/0x10 [ 46.830896] bpf_prog_create_from_user+0xb2/0x2f0 [ 46.831772] do_seccomp+0x349/0x25e0 [ 46.832517] ? find_held_lock+0x2b/0x80 [ 46.833282] ? do_prlimit+0x310/0x610 [ 46.834016] ? __pfx_do_seccomp+0x10/0x10 [ 46.834774] ? do_raw_spin_unlock+0x53/0x220 [ 46.835615] ? _raw_spin_unlock+0x1e/0x40 [ 46.836393] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 46.837350] ? static_key_count+0x60/0x80 [ 46.838142] prctl_set_seccomp+0x4e/0x70 [ 46.838935] __do_sys_prctl+0xe6c/0x1d70 [ 46.839680] ? __pfx___do_sys_prctl+0x10/0x10 [ 46.840535] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 46.841500] ? irqentry_exit+0xf3/0x650 [ 46.842271] do_syscall_64+0xbf/0x430 [ 46.843040] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 46.844001] RIP: 0033:0x7fe4cd6405cd [ 46.844660] 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 [ 46.847869] RSP: 002b:00007ffc47fee9c0 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 46.849228] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007fe4cd6405cd [ 46.850523] RDX: 000055be20d5be00 RSI: 0000000000000002 RDI: 0000000000000016 [ 46.851834] RBP: 00007ffc47feea20 R08: 0000000000000000 R09: 00007ffc47fee0c0 [ 46.853169] R10: 0000000000000000 R11: 0000000000000246 R12: 000055be42b8ead0 [ 46.854437] R13: 00007ffc47feee50 R14: 000055be42b8fbc0 R15: 000055be42ba0780 [ 46.855748] [ 46.856223] irq event stamp: 1743 [ 46.856834] hardirqs last enabled at (1751): [] __up_console_sem+0x78/0x80 [ 46.858373] hardirqs last disabled at (1762): [] __up_console_sem+0x5d/0x80 [ 46.859890] softirqs last enabled at (1698): [] handle_softirqs+0x50c/0x770 [ 46.861446] softirqs last disabled at (1693): [] __irq_exit_rcu+0xc4/0x100 [ 46.862984] ---[ end trace 0000000000000000 ]--- [ 49.668944] ------------[ cut here ]------------ [ 49.669830] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 49.672067] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#0: sshd/249 [ 49.673535] Modules linked in: [ 49.674208] CPU: 0 UID: 104 PID: 249 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251117 #1 PREEMPT(voluntary) [ 49.676372] Tainted: [W]=WARN [ 49.677001] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 49.678529] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 49.679505] 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 [ 49.682749] RSP: 0018:ffff88801694fbc0 EFLAGS: 00010286 [ 49.683770] RAX: 0000000000000000 RBX: ffffed1002d29f78 RCX: ffffffff813a4050 [ 49.685082] RDX: ffff888016341bc0 RSI: ffffffff813a405e RDI: 0000000000000001 [ 49.686426] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed1002d29f2f [ 49.687737] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 49.689054] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff88801694fdf8 [ 49.690381] FS: 00007f48979ab900(0000) GS:ffff8880e538f000(0000) knlGS:0000000000000000 [ 49.691883] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 49.692991] CR2: 00007fffcd604ef7 CR3: 000000001fe70000 CR4: 0000000000350ef0 [ 49.694314] Call Trace: [ 49.694813] [ 49.695281] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 49.696216] ? __create_object+0x59/0x80 [ 49.697038] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 49.698025] __vmalloc_noprof+0x59/0x60 [ 49.698771] bpf_prog_alloc_no_stats+0x55/0x470 [ 49.699658] ? __pfx_seccomp_check_filter+0x10/0x10 [ 49.700647] bpf_prog_alloc+0x39/0x200 [ 49.701425] ? __pfx_seccomp_check_filter+0x10/0x10 [ 49.702417] bpf_prog_create_from_user+0xb2/0x2f0 [ 49.703373] do_seccomp+0x349/0x25e0 [ 49.704135] ? find_held_lock+0x2b/0x80 [ 49.704915] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 49.705918] ? __pfx_do_seccomp+0x10/0x10 [ 49.706695] ? irqentry_exit+0x17b/0x650 [ 49.707496] ? trace_irq_disable.constprop.0+0xc2/0x100 [ 49.708535] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 49.709532] ? static_key_count+0x60/0x80 [ 49.710383] prctl_set_seccomp+0x4e/0x70 [ 49.711207] __do_sys_prctl+0xe6c/0x1d70 [ 49.712046] ? __pfx___do_sys_prctl+0x10/0x10 [ 49.712934] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 49.713949] ? irqentry_exit+0xf3/0x650 [ 49.714686] do_syscall_64+0xbf/0x430 [ 49.715462] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 49.716462] RIP: 0033:0x7f4897e9d5cd [ 49.717202] 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 [ 49.720462] RSP: 002b:00007fffcd602610 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 49.721877] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f4897e9d5cd [ 49.723231] RDX: 000055643b959e00 RSI: 0000000000000002 RDI: 0000000000000016 [ 49.724568] RBP: 00007fffcd602670 R08: 0000000000000000 R09: 00007fffcd601d10 [ 49.725912] R10: 0000000000000000 R11: 0000000000000246 R12: 0000556468e1ead0 [ 49.727267] R13: 00007fffcd602aa0 R14: 0000556468e1fbc0 R15: 0000556468e30780 [ 49.728177] [ 49.728448] irq event stamp: 1725 [ 49.728828] hardirqs last enabled at (1733): [] __up_console_sem+0x78/0x80 [ 49.729805] hardirqs last disabled at (1742): [] __up_console_sem+0x5d/0x80 [ 49.730825] softirqs last enabled at (1694): [] handle_softirqs+0x50c/0x770 [ 49.731687] softirqs last disabled at (1689): [] __irq_exit_rcu+0xc4/0x100 [ 49.732396] ---[ end trace 0000000000000000 ]--- [ 50.422530] ------------[ cut here ]------------ [ 50.423082] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 50.424236] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#0: sshd/256 [ 50.425093] Modules linked in: [ 50.425432] CPU: 0 UID: 104 PID: 256 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251117 #1 PREEMPT(voluntary) [ 50.426574] Tainted: [W]=WARN [ 50.426926] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 50.427748] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 50.428278] 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 [ 50.430108] RSP: 0018:ffff88801761fbc0 EFLAGS: 00010286 [ 50.430655] RAX: 0000000000000000 RBX: ffffed1002ec3f78 RCX: ffffffff813a4050 [ 50.431430] RDX: ffff888015d71bc0 RSI: ffffffff813a405e RDI: 0000000000000001 [ 50.432166] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed1002ec3f2f [ 50.432916] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 50.433626] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff88801761fdf8 [ 50.434369] FS: 00007f7dc6e33900(0000) GS:ffff8880e538f000(0000) knlGS:0000000000000000 [ 50.435200] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 50.435781] CR2: 00007f7dc7325580 CR3: 000000001fe89000 CR4: 0000000000350ef0 [ 50.436521] Call Trace: [ 50.436790] [ 50.437047] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 50.437535] ? __create_object+0x59/0x80 [ 50.437990] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 50.438523] __vmalloc_noprof+0x59/0x60 [ 50.438972] bpf_prog_alloc_no_stats+0x55/0x470 [ 50.439451] ? __pfx_seccomp_check_filter+0x10/0x10 [ 50.439986] bpf_prog_alloc+0x39/0x200 [ 50.440382] ? __pfx_seccomp_check_filter+0x10/0x10 [ 50.440918] bpf_prog_create_from_user+0xb2/0x2f0 [ 50.441414] do_seccomp+0x349/0x25e0 [ 50.441799] ? __pfx_css_rstat_updated+0x10/0x10 [ 50.442326] ? __pfx_do_seccomp+0x10/0x10 [ 50.442762] ? find_held_lock+0x2b/0x80 [ 50.443197] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 50.443722] ? static_key_count+0x60/0x80 [ 50.444178] prctl_set_seccomp+0x4e/0x70 [ 50.444598] __do_sys_prctl+0xe6c/0x1d70 [ 50.445053] ? __pfx___do_sys_prctl+0x10/0x10 [ 50.445524] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 50.446075] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 50.446609] ? irqentry_exit+0xf3/0x650 [ 50.447063] do_syscall_64+0xbf/0x430 [ 50.447466] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 50.448022] RIP: 0033:0x7f7dc73255cd [ 50.448404] 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 [ 50.450232] RSP: 002b:00007ffd38a5b040 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 50.451042] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f7dc73255cd [ 50.451756] RDX: 000055dbed985e00 RSI: 0000000000000002 RDI: 0000000000000016 [ 50.452497] RBP: 00007ffd38a5b0a0 R08: 0000000000000000 R09: 00007ffd38a5a740 [ 50.453231] R10: 0000000000000000 R11: 0000000000000246 R12: 000055dbf86b2b10 [ 50.453955] R13: 00007ffd38a5b4d0 R14: 000055dbf86b32b0 R15: 000055dbf86c76f0 [ 50.454679] [ 50.454964] irq event stamp: 1699 [ 50.455314] hardirqs last enabled at (1707): [] __up_console_sem+0x78/0x80 [ 50.456191] hardirqs last disabled at (1716): [] __up_console_sem+0x5d/0x80 [ 50.457059] softirqs last enabled at (1316): [] handle_softirqs+0x50c/0x770 [ 50.457942] softirqs last disabled at (1303): [] __irq_exit_rcu+0xc4/0x100 [ 50.458790] ---[ end trace 0000000000000000 ]--- Warning: Permanently added '[localhost]:11292' (ECDSA) to the list of known hosts. 2025/11/17 22:29:01 fuzzer started 2025/11/17 22:29:01 dialing manager at localhost:37895 2025/11/17 22:29:01 checking machine... 2025/11/17 22:29:01 checking revisions... [ 51.366361] kmemleak: Automatic memory scanning thread ended 2025/11/17 22:29:01 testing simple program... [ 51.459226] cgroup: Unknown subsys name 'net' [ 51.528077] cgroup: Unknown subsys name 'cpuset' [ 51.550564] cgroup: Unknown subsys name 'rlimit' executing program executing program executing program VM DIAGNOSIS: 22:29:01 Registers: info registers vcpu 0 RAX=0000000000000007 RBX=0000000000000001 RCX=ffffffff81b61824 RDX=000000000000b618 RSI=000000000000b618 RDI=ffffffff86ef1234 RBP=ffff88801898fb68 RSP=ffff88801898faa0 R8 =0000000000000000 R9 =0000000000000000 R10=000000000003c9ed R11=00000000000266d7 R12=ffff88801898fb70 R13=ffff88801898fb58 R14=ffff88801898fb51 R15=ffff88801898fb10 RIP=ffffffff8135e62a 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 00007f48979ab900 00000000 00000000 GS =0000 ffff8880e538f000 00000000 00000000 LDT=0000 fffffe2300000000 00000000 00000000 TR =0040 fffffe0000003000 00004087 00008b00 DPL=0 TSS64-busy GDT= fffffe0000001000 0000007f IDT= fffffe0000000000 00000fff CR0=80050033 CR2=0000556468e52000 CR3=000000001fe89000 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=000000000000000000000000000000ff XMM02=000000000000000000000000000000ff XMM03=5320444f4854454d5f54505952434e45 XMM04=40404040404040404040404040404040 XMM05=5a5a5a5a5a5a5a5a5a5a5a5a5a5a5a5a XMM06=20202020202020202020202020202020 XMM07=00000000000000000000000000000000 XMM08=ffbc64ffffbc44ffffbc34ffffbc9f00 XMM09=00000000000000000000000000000000 XMM10=00000000000000000000000000000000 XMM11=00000000000000000000000000000000 XMM12=00000000000000000000000000000000 XMM13=00000000000000000000000000000000 XMM14=00000000000000000000000000000000 XMM15=00000000000000000000000000000000 info registers vcpu 1 RAX=0000000000026305 RBX=0000000000000001 RCX=ffffffff84c72d57 RDX=0000000000000000 RSI=0000000000000000 RDI=ffffffff814d2c90 RBP=dffffc0000000000 RSP=ffff8880096efe58 R8 =0000000000000001 R9 =ffffed100d9e639a R10=ffff88806cf31cd3 R11=0000000000000001 R12=ffffffff8664f650 R13=1ffff110012ddfd2 R14=0000000000000000 R15=0000000000000000 RIP=ffffffff84c7174e RFL=00000206 [-----P-] 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 fffffe7400000000 00000000 00000000 TR =0040 fffffe000004a000 00004087 00008b00 DPL=0 TSS64-busy GDT= fffffe0000048000 0000007f IDT= fffffe0000000000 00000fff CR0=80050033 CR2=00007f4897f60650 CR3=000000001fe89000 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=ffffffff00ffffffffffffffffffffff XMM01=707465675f6c697475646f6d6d61705f XMM02=ff000000000000ff0000000000ff0000 XMM03=66207463656e6e6f6373696420646576 XMM04=00000000000000000000000000000000 XMM05=00000000000000000000000000000000 XMM06=0d0c0f0e09080b0a0504070601000302 XMM07=00000000000000000000000000000000 XMM08=000a0d732a2e25006c61746166003367 XMM09=00000000000000000000000000000000 XMM10=00000000000000000000000000000000 XMM11=00000000000000000000000000000000 XMM12=00000000000000000000000000000000 XMM13=00000000000000000000000000000000 XMM14=00000000000000000000000000000000 XMM15=00000000000000000000000000000000