Debian GNU/Linux 11 syzkaller ttyS0 syzkaller login: [ 38.895053] ------------[ cut here ]------------ [ 38.895964] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 38.898003] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#1: sshd/234 [ 38.899482] Modules linked in: [ 38.900068] CPU: 1 UID: 104 PID: 234 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251117 #1 PREEMPT(voluntary) [ 38.902079] Tainted: [W]=WARN [ 38.902704] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 38.904189] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 38.905107] 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 [ 38.908511] RSP: 0018:ffff888015e27bc0 EFLAGS: 00010286 [ 38.909509] RAX: 0000000000000000 RBX: ffffed1002bc4f78 RCX: ffffffff813a4050 [ 38.910814] RDX: ffff888015eb1bc0 RSI: ffffffff813a405e RDI: 0000000000000001 [ 38.912114] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed1002bc4f2f [ 38.913413] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 38.914705] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff888015e27df8 [ 38.915992] FS: 00007fcbfd762900(0000) GS:ffff8880e548f000(0000) knlGS:0000000000000000 [ 38.917427] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 38.918500] CR2: 00007fcbfdc54580 CR3: 000000000c8f0000 CR4: 0000000000350ef0 [ 38.919799] Call Trace: [ 38.920297] [ 38.920715] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 38.921620] ? __create_object+0x59/0x80 [ 38.922420] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 38.923380] __vmalloc_noprof+0x59/0x60 [ 38.924096] bpf_prog_alloc_no_stats+0x55/0x470 [ 38.924976] ? __pfx_seccomp_check_filter+0x10/0x10 [ 38.925907] bpf_prog_alloc+0x39/0x200 [ 38.926686] ? __pfx_seccomp_check_filter+0x10/0x10 [ 38.927778] bpf_prog_create_from_user+0xb2/0x2f0 [ 38.928931] do_seccomp+0x349/0x25e0 [ 38.929727] ? __pfx_css_rstat_updated+0x10/0x10 [ 38.930655] ? __pfx_do_seccomp+0x10/0x10 [ 38.931623] ? find_held_lock+0x2b/0x80 [ 38.932488] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 38.933459] ? static_key_count+0x60/0x80 [ 38.934236] prctl_set_seccomp+0x4e/0x70 [ 38.935032] __do_sys_prctl+0xe6c/0x1d70 [ 38.935822] ? __pfx___do_sys_prctl+0x10/0x10 [ 38.936683] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 38.937663] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 38.938671] ? irqentry_exit+0xf3/0x650 [ 38.939452] do_syscall_64+0xbf/0x430 [ 38.940147] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 38.941099] RIP: 0033:0x7fcbfdc545cd [ 38.941796] 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 [ 38.944988] RSP: 002b:00007ffe5184bf40 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 38.946381] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007fcbfdc545cd [ 38.947682] RDX: 0000559480116e00 RSI: 0000000000000002 RDI: 0000000000000016 [ 38.948971] RBP: 00007ffe5184bfa0 R08: 0000000000000000 R09: 00007ffe5184b640 [ 38.950276] R10: 0000000000000000 R11: 0000000000000246 R12: 00005594957ac240 [ 38.951546] R13: 00007ffe5184c3d0 R14: 00005594957b5380 R15: 00005594957c0540 [ 38.952847] [ 38.953307] irq event stamp: 1787 [ 38.953920] hardirqs last enabled at (1795): [] __up_console_sem+0x78/0x80 [ 38.955449] hardirqs last disabled at (1804): [] __up_console_sem+0x5d/0x80 [ 38.956974] softirqs last enabled at (1616): [] handle_softirqs+0x50c/0x770 [ 38.958537] softirqs last disabled at (1611): [] __irq_exit_rcu+0xc4/0x100 [ 38.959800] ---[ end trace 0000000000000000 ]--- [ 41.884480] ------------[ cut here ]------------ [ 41.885543] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 41.887852] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#0: sshd/242 [ 41.889588] Modules linked in: [ 41.890337] CPU: 0 UID: 104 PID: 242 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251117 #1 PREEMPT(voluntary) [ 41.892610] Tainted: [W]=WARN [ 41.893175] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 41.894655] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 41.895554] 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 [ 41.898734] RSP: 0018:ffff888016f0fbc0 EFLAGS: 00010286 [ 41.899728] RAX: 0000000000000000 RBX: ffffed1002de1f78 RCX: ffffffff813a4050 [ 41.901022] RDX: ffff88800eff5340 RSI: ffffffff813a405e RDI: 0000000000000001 [ 41.902325] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed1002de1f2f [ 41.903616] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 41.904917] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff888016f0fdf8 [ 41.906199] FS: 00007fed56c11900(0000) GS:ffff8880e538f000(0000) knlGS:0000000000000000 [ 41.907674] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 41.908745] CR2: 00007fed57103580 CR3: 000000000f7dc000 CR4: 0000000000350ef0 [ 41.910047] Call Trace: [ 41.910575] [ 41.910989] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 41.911895] ? __create_object+0x59/0x80 [ 41.912685] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 41.913666] __vmalloc_noprof+0x59/0x60 [ 41.914446] bpf_prog_alloc_no_stats+0x55/0x470 [ 41.915324] ? __pfx_seccomp_check_filter+0x10/0x10 [ 41.916215] bpf_prog_alloc+0x39/0x200 [ 41.916962] ? __pfx_seccomp_check_filter+0x10/0x10 [ 41.917912] bpf_prog_create_from_user+0xb2/0x2f0 [ 41.918848] do_seccomp+0x349/0x25e0 [ 41.919567] ? __pfx_css_rstat_updated+0x10/0x10 [ 41.920485] ? __pfx_do_seccomp+0x10/0x10 [ 41.921224] ? find_held_lock+0x2b/0x80 [ 41.922003] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 41.922982] ? static_key_count+0x60/0x80 [ 41.923778] prctl_set_seccomp+0x4e/0x70 [ 41.924564] __do_sys_prctl+0xe6c/0x1d70 [ 41.925362] ? __pfx___do_sys_prctl+0x10/0x10 [ 41.926171] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 41.927154] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 41.928110] ? irqentry_exit+0xf3/0x650 [ 41.928896] do_syscall_64+0xbf/0x430 [ 41.929631] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 41.930591] RIP: 0033:0x7fed571035cd [ 41.931315] 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 [ 41.934579] RSP: 002b:00007fff5eb41700 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 41.935962] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007fed571035cd [ 41.937234] RDX: 000055587170ee00 RSI: 0000000000000002 RDI: 0000000000000016 [ 41.938575] RBP: 00007fff5eb41760 R08: 0000000000000000 R09: 00007fff5eb40e00 [ 41.939876] R10: 0000000000000000 R11: 0000000000000246 R12: 00005558a831fad0 [ 41.941166] R13: 00007fff5eb41b90 R14: 00005558a8320bc0 R15: 00005558a8331780 [ 41.942549] [ 41.942983] irq event stamp: 1821 [ 41.943637] hardirqs last enabled at (1831): [] __up_console_sem+0x78/0x80 [ 41.945177] hardirqs last disabled at (1840): [] __up_console_sem+0x5d/0x80 [ 41.946727] softirqs last enabled at (1780): [] handle_softirqs+0x50c/0x770 [ 41.948290] softirqs last disabled at (1765): [] __irq_exit_rcu+0xc4/0x100 [ 41.949811] ---[ end trace 0000000000000000 ]--- [ 42.811409] ------------[ cut here ]------------ [ 42.812006] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 42.813354] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#0: sshd/252 [ 42.814315] Modules linked in: [ 42.814694] CPU: 0 UID: 104 PID: 252 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251117 #1 PREEMPT(voluntary) [ 42.815996] Tainted: [W]=WARN [ 42.816374] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 42.817331] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 42.817904] 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 [ 42.820015] RSP: 0018:ffff888016b27bc0 EFLAGS: 00010286 [ 42.820644] RAX: 0000000000000000 RBX: ffffed1002d64f78 RCX: ffffffff813a4050 [ 42.821491] RDX: ffff8880161b5340 RSI: ffffffff813a405e RDI: 0000000000000001 [ 42.822348] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed1002d64f2f [ 42.823168] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 42.824006] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff888016b27df8 [ 42.824844] FS: 00007f6cb764d900(0000) GS:ffff8880e538f000(0000) knlGS:0000000000000000 [ 42.825777] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 42.826497] CR2: 00007fff97ab1ef7 CR3: 000000000ca16000 CR4: 0000000000350ef0 [ 42.827350] Call Trace: [ 42.827657] [ 42.827930] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 42.828513] ? __create_object+0x59/0x80 [ 42.828999] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 42.829623] __vmalloc_noprof+0x59/0x60 [ 42.830093] bpf_prog_alloc_no_stats+0x55/0x470 [ 42.830665] ? __pfx_seccomp_check_filter+0x10/0x10 [ 42.831283] bpf_prog_alloc+0x39/0x200 [ 42.831731] ? __pfx_seccomp_check_filter+0x10/0x10 [ 42.832352] bpf_prog_create_from_user+0xb2/0x2f0 [ 42.832918] do_seccomp+0x349/0x25e0 [ 42.833379] ? find_held_lock+0x2b/0x80 [ 42.833847] ? do_prlimit+0x310/0x610 [ 42.834344] ? __pfx_do_seccomp+0x10/0x10 [ 42.834833] ? do_raw_spin_unlock+0x53/0x220 [ 42.835383] ? _raw_spin_unlock+0x1e/0x40 [ 42.835870] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 42.836500] ? static_key_count+0x60/0x80 [ 42.837011] prctl_set_seccomp+0x4e/0x70 [ 42.837518] __do_sys_prctl+0xe6c/0x1d70 [ 42.838045] ? __pfx___do_sys_prctl+0x10/0x10 [ 42.838638] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 42.839401] ? irqentry_exit+0xf3/0x650 [ 42.839995] do_syscall_64+0xbf/0x430 [ 42.840600] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 42.841376] RIP: 0033:0x7f6cb7b3f5cd [ 42.841921] 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 [ 42.844123] RSP: 002b:00007fff97ab08b0 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 42.845021] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f6cb7b3f5cd [ 42.845866] RDX: 000055a8c08b3e00 RSI: 0000000000000002 RDI: 0000000000000016 [ 42.846723] RBP: 00007fff97ab0910 R08: 0000000000000000 R09: 00007fff97aaffb0 [ 42.847571] R10: 0000000000000000 R11: 0000000000000246 R12: 000055a8f0761ad0 [ 42.848411] R13: 00007fff97ab0d40 R14: 000055a8f0762bc0 R15: 000055a8f0773780 [ 42.849230] [ 42.849543] irq event stamp: 1783 [ 42.849949] hardirqs last enabled at (1791): [] __up_console_sem+0x78/0x80 [ 42.850964] hardirqs last disabled at (1800): [] __up_console_sem+0x5d/0x80 [ 42.851962] softirqs last enabled at (1358): [] handle_softirqs+0x50c/0x770 [ 42.852978] softirqs last disabled at (1345): [] __irq_exit_rcu+0xc4/0x100 [ 42.853979] ---[ end trace 0000000000000000 ]--- Warning: Permanently added '[localhost]:44365' (ECDSA) to the list of known hosts. 2025/11/17 20:22:38 fuzzer started 2025/11/17 20:22:38 dialing manager at localhost:37895 2025/11/17 20:22:38 checking machine... 2025/11/17 20:22:38 checking revisions... [ 43.758512] kmemleak: Automatic memory scanning thread ended 2025/11/17 20:22:38 testing simple program... [ 43.842042] cgroup: Unknown subsys name 'net' [ 43.897053] cgroup: Unknown subsys name 'cpuset' [ 43.918590] cgroup: Unknown subsys name 'rlimit' executing program executing program [ 52.445434] audit: type=1400 audit(1763410967.274:7): avc: denied { execmem } for pid=276 comm="syz-executor.0" scontext=system_u:system_r:kernel_t:s0 tcontext=system_u:system_r:kernel_t:s0 tclass=process permissive=1 executing program VM DIAGNOSIS: 20:22:37 Registers: info registers vcpu 0 RAX=0000000000022000 RBX=ffffffff85c2ca00 RCX=0000000000000001 RDX=0000000000022005 RSI=0000000000000000 RDI=ffffffff85e1ffe0 RBP=ffffffff85c2d458 RSP=ffff88806ce08878 R8 =0000000000000000 R9 =0000000000000005 R10=0000000000000001 R11=0000000000000000 R12=ffffffff85c2d480 R13=0000000000000000 R14=0000000000000000 R15=0000000000000000 RIP=ffffffff815270cc 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 0000000000000000 00000000 00000000 GS =0000 ffff8880e538f000 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=00007fff3a0604b8 CR3=000000000d410000 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=ad72041738388cbbaa4900bb0f8aa826 XMM02=0000000000301a10ec2efd57dc4c00df XMM03=000000000030efa83dc594459ddf7768 XMM04=2a5d40009cea10ef00000000000ae988 XMM05=090f1556b20111b3000000000031f050 XMM06=5b75c91c80445342000000000031eed8 XMM07=e042d86d42eb936e000000000030f990 XMM08=3dc594459ddf77680000000000301a70 XMM09=00000000000000000000000000000000 XMM10=20200000000020202020202020200000 XMM11=00000000000000000000000000000000 XMM12=00000000000000000000000000000000 XMM13=00000000000000000000000000000000 XMM14=00000000000000000000000000000000 XMM15=00000000000000000000000000000000 info registers vcpu 1 RAX=0000000000000007 RBX=ffffffff8672bf5c RCX=ffffffff81b7829e RDX=0000000000000000 RSI=ffffffff86ac191e RDI=ffffffff8672bf48 RBP=ffffffff8672bf58 RSP=ffff888019ebf730 R8 =ffffffff86ac191e R9 =0000000000000000 R10=000000000003c9ed R11=0000000000026ee5 R12=ffffffff8672bf64 R13=ffffffff8672bf48 R14=ffffffff8672bf54 R15=dffffc0000000000 RIP=ffffffff8135dabc 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 00007fed56c11900 00000000 00000000 GS =0000 ffff8880e548f000 00000000 00000000 LDT=0000 fffffe5100000000 00000000 00000000 TR =0040 fffffe000004a000 00004087 00008b00 DPL=0 TSS64-busy GDT= fffffe0000048000 0000007f IDT= fffffe0000000000 00000fff CR0=80050033 CR2=00007fff5eb3b000 CR3=00000000173f7000 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=563412feff00545000000000000080fe XMM01=74696d7265705f6d61703d73726f746e XMM02=000000000000000000000000000000ff XMM03=5320444f4854454d5f54505952434e45 XMM04=40404040404040404040404040404040 XMM05=5a5a5a5a5a5a5a5a5a5a5a5a5a5a5a5a XMM06=20202020202020202020202020202020 XMM07=00000000000000000000000000000000 XMM08=61662029286e65706f5f746964756100 XMM09=00000000000000000000000000000000 XMM10=00000000000000000000000000000000 XMM11=00000000000000000000000000000000 XMM12=00000000000000000000000000000000 XMM13=00000000000000000000000000000000 XMM14=00000000000000000000000000000000 XMM15=00000000000000000000000000000000