Debian GNU/Linux 11 syzkaller ttyS0 syzkaller login: [ 54.746674] ------------[ cut here ]------------ [ 54.747437] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 54.749140] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#1: sshd/245 [ 54.750340] Modules linked in: [ 54.750854] CPU: 1 UID: 104 PID: 245 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251117 #1 PREEMPT(voluntary) [ 54.752511] Tainted: [W]=WARN [ 54.752965] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 54.754464] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 54.755240] 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 [ 54.757901] RSP: 0018:ffff88801ca1fbc0 EFLAGS: 00010286 [ 54.758699] RAX: 0000000000000000 RBX: ffffed1003943f78 RCX: ffffffff813a4050 [ 54.759777] RDX: ffff88801ca10000 RSI: ffffffff813a405e RDI: 0000000000000001 [ 54.760840] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed1003943f2f [ 54.761897] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 54.762969] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff88801ca1fdf8 [ 54.764041] FS: 00007f7b2a7ed900(0000) GS:ffff8880e548f000(0000) knlGS:0000000000000000 [ 54.765235] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 54.766116] CR2: 00007ffd61d6def8 CR3: 000000000d9c9000 CR4: 0000000000350ef0 [ 54.767188] Call Trace: [ 54.767608] [ 54.767957] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 54.768696] ? __create_object+0x59/0x80 [ 54.769320] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 54.770122] __vmalloc_noprof+0x59/0x60 [ 54.770771] bpf_prog_alloc_no_stats+0x55/0x470 [ 54.771525] ? __pfx_seccomp_check_filter+0x10/0x10 [ 54.772280] bpf_prog_alloc+0x39/0x200 [ 54.772886] ? __pfx_seccomp_check_filter+0x10/0x10 [ 54.773666] bpf_prog_create_from_user+0xb2/0x2f0 [ 54.774384] do_seccomp+0x349/0x25e0 [ 54.774976] ? find_held_lock+0x2b/0x80 [ 54.775616] ? do_prlimit+0x310/0x610 [ 54.776203] ? __pfx_do_seccomp+0x10/0x10 [ 54.776858] ? do_raw_spin_unlock+0x53/0x220 [ 54.777537] ? _raw_spin_unlock+0x1e/0x40 [ 54.778158] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 54.778948] ? static_key_count+0x60/0x80 [ 54.779627] prctl_set_seccomp+0x4e/0x70 [ 54.780349] __do_sys_prctl+0xe6c/0x1d70 [ 54.781032] ? __pfx___do_sys_prctl+0x10/0x10 [ 54.781753] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 54.782564] ? irqentry_exit+0xf3/0x650 [ 54.783181] do_syscall_64+0xbf/0x430 [ 54.783786] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 54.784570] RIP: 0033:0x7f7b2acdf5cd [ 54.785115] 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 [ 54.787771] RSP: 002b:00007ffd61d6bda0 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 54.788907] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f7b2acdf5cd [ 54.789976] RDX: 000055a1dda7ce00 RSI: 0000000000000002 RDI: 0000000000000016 [ 54.791050] RBP: 00007ffd61d6be00 R08: 0000000000000000 R09: 00007ffd61d6b4a0 [ 54.792122] R10: 0000000000000000 R11: 0000000000000246 R12: 000055a20976ead0 [ 54.793186] R13: 00007ffd61d6c230 R14: 000055a20976fbc0 R15: 000055a209780780 [ 54.794259] [ 54.794660] irq event stamp: 1705 [ 54.795193] hardirqs last enabled at (1713): [] __up_console_sem+0x78/0x80 [ 54.796457] hardirqs last disabled at (1722): [] __up_console_sem+0x5d/0x80 [ 54.797752] softirqs last enabled at (1624): [] handle_softirqs+0x50c/0x770 [ 54.799056] softirqs last disabled at (1619): [] __irq_exit_rcu+0xc4/0x100 [ 54.800320] ---[ end trace 0000000000000000 ]--- [ 58.129470] ------------[ cut here ]------------ [ 58.130391] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 58.132444] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#0: sshd/253 [ 58.133978] Modules linked in: [ 58.134648] CPU: 0 UID: 104 PID: 253 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251117 #1 PREEMPT(voluntary) [ 58.136641] Tainted: [W]=WARN [ 58.137185] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 58.138637] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 58.139548] 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 [ 58.142679] RSP: 0018:ffff888016bffbc0 EFLAGS: 00010286 [ 58.143656] RAX: 0000000000000000 RBX: ffffed1002d7ff78 RCX: ffffffff813a4050 [ 58.144925] RDX: ffff888019de5340 RSI: ffffffff813a405e RDI: 0000000000000001 [ 58.146190] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed1002d7ff2f [ 58.147470] R10: 0000000000000000 R11: 0000000000000001 R12: 0000000000400dc0 [ 58.148784] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff888016bffdf8 [ 58.150048] FS: 00007fadd4265900(0000) GS:ffff8880e538f000(0000) knlGS:0000000000000000 [ 58.151521] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 58.152583] CR2: 00007fadd4757580 CR3: 000000000ece9000 CR4: 0000000000350ef0 [ 58.153862] Call Trace: [ 58.154325] [ 58.154776] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 58.155693] ? __create_object+0x59/0x80 [ 58.156439] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 58.157398] __vmalloc_noprof+0x59/0x60 [ 58.158146] bpf_prog_alloc_no_stats+0x55/0x470 [ 58.159023] ? __pfx_seccomp_check_filter+0x10/0x10 [ 58.159990] bpf_prog_alloc+0x39/0x200 [ 58.160740] ? __pfx_seccomp_check_filter+0x10/0x10 [ 58.161690] bpf_prog_create_from_user+0xb2/0x2f0 [ 58.162603] do_seccomp+0x349/0x25e0 [ 58.163285] ? __pfx_css_rstat_updated+0x10/0x10 [ 58.164197] ? __pfx_do_seccomp+0x10/0x10 [ 58.164984] ? find_held_lock+0x2b/0x80 [ 58.165745] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 58.166702] ? static_key_count+0x60/0x80 [ 58.167530] prctl_set_seccomp+0x4e/0x70 [ 58.168258] __do_sys_prctl+0xe6c/0x1d70 [ 58.169058] ? __pfx___do_sys_prctl+0x10/0x10 [ 58.169892] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 58.170858] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 58.171846] ? irqentry_exit+0xf3/0x650 [ 58.172606] do_syscall_64+0xbf/0x430 [ 58.173288] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 58.174236] RIP: 0033:0x7fadd47575cd [ 58.174936] 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 [ 58.178100] RSP: 002b:00007ffcfa05dc60 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 58.179471] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007fadd47575cd [ 58.180765] RDX: 000055f9b6b30e00 RSI: 0000000000000002 RDI: 0000000000000016 [ 58.182046] RBP: 00007ffcfa05dcc0 R08: 0000000000000000 R09: 00007ffcfa05d360 [ 58.183339] R10: 0000000000000000 R11: 0000000000000246 R12: 000055f9d485bad0 [ 58.184612] R13: 00007ffcfa05e0f0 R14: 000055f9d485cbc0 R15: 000055f9d486d780 [ 58.185902] [ 58.186325] irq event stamp: 1751 [ 58.186983] hardirqs last enabled at (1761): [] __up_console_sem+0x78/0x80 [ 58.188516] hardirqs last disabled at (1770): [] __up_console_sem+0x5d/0x80 [ 58.190036] softirqs last enabled at (1720): [] handle_softirqs+0x50c/0x770 [ 58.191579] softirqs last disabled at (1715): [] __irq_exit_rcu+0xc4/0x100 [ 58.193086] ---[ end trace 0000000000000000 ]--- [ 59.019605] ------------[ cut here ]------------ [ 59.020324] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 59.022020] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#1: sshd/260 [ 59.023230] Modules linked in: [ 59.023788] CPU: 1 UID: 104 PID: 260 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251117 #1 PREEMPT(voluntary) [ 59.025428] Tainted: [W]=WARN [ 59.025917] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 59.027336] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 59.028156] 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 [ 59.030810] RSP: 0018:ffff88801cb7fbc0 EFLAGS: 00010286 [ 59.031628] RAX: 0000000000000000 RBX: ffffed100396ff78 RCX: ffffffff813a4050 [ 59.032690] RDX: ffff888019de3780 RSI: ffffffff813a405e RDI: 0000000000000001 [ 59.033750] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed100396ff2f [ 59.034790] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 59.035868] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff88801cb7fdf8 [ 59.036944] FS: 00007fe2eff9e900(0000) GS:ffff8880e548f000(0000) knlGS:0000000000000000 [ 59.038139] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 59.039022] CR2: 00007fe2f05044a6 CR3: 000000001f74c000 CR4: 0000000000350ef0 [ 59.040098] Call Trace: [ 59.040508] [ 59.040849] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 59.041584] ? __create_object+0x59/0x80 [ 59.042192] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 59.042999] __vmalloc_noprof+0x59/0x60 [ 59.043638] bpf_prog_alloc_no_stats+0x55/0x470 [ 59.044320] ? __pfx_seccomp_check_filter+0x10/0x10 [ 59.045091] bpf_prog_alloc+0x39/0x200 [ 59.045709] ? __pfx_seccomp_check_filter+0x10/0x10 [ 59.046441] bpf_prog_create_from_user+0xb2/0x2f0 [ 59.047206] do_seccomp+0x349/0x25e0 [ 59.047807] ? find_held_lock+0x2b/0x80 [ 59.048398] ? do_prlimit+0x310/0x610 [ 59.049015] ? __pfx_do_seccomp+0x10/0x10 [ 59.049670] ? do_raw_spin_unlock+0x53/0x220 [ 59.050316] ? _raw_spin_unlock+0x1e/0x40 [ 59.050950] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 59.051755] ? static_key_count+0x60/0x80 [ 59.052383] prctl_set_seccomp+0x4e/0x70 [ 59.053018] __do_sys_prctl+0xe6c/0x1d70 [ 59.053670] ? __pfx___do_sys_prctl+0x10/0x10 [ 59.054345] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 59.055160] ? irqentry_exit+0xf3/0x650 [ 59.055790] do_syscall_64+0xbf/0x430 [ 59.056366] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 59.057160] RIP: 0033:0x7fe2f04905cd [ 59.057744] 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 [ 59.060377] RSP: 002b:00007fff5b63bf20 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 59.061511] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007fe2f04905cd [ 59.062572] RDX: 0000562da8c71e00 RSI: 0000000000000002 RDI: 0000000000000016 [ 59.063659] RBP: 00007fff5b63bf80 R08: 0000000000000000 R09: 00007fff5b63b620 [ 59.064722] R10: 0000000000000000 R11: 0000000000000246 R12: 0000562dd361db10 [ 59.065774] R13: 00007fff5b63c3b0 R14: 0000562dd361e2b0 R15: 0000562dd36326f0 [ 59.066856] [ 59.067215] irq event stamp: 1751 [ 59.067755] hardirqs last enabled at (1761): [] __up_console_sem+0x78/0x80 [ 59.069023] hardirqs last disabled at (1770): [] __up_console_sem+0x5d/0x80 [ 59.070284] softirqs last enabled at (1710): [] handle_softirqs+0x50c/0x770 [ 59.071584] softirqs last disabled at (1705): [] __irq_exit_rcu+0xc4/0x100 [ 59.072839] ---[ end trace 0000000000000000 ]--- Warning: Permanently added '[localhost]:9498' (ECDSA) to the list of known hosts. 2025/11/17 16:26:22 fuzzer started 2025/11/17 16:26:22 dialing manager at localhost:37895 2025/11/17 16:26:22 checking machine... 2025/11/17 16:26:22 checking revisions... [ 59.983775] kmemleak: Automatic memory scanning thread ended 2025/11/17 16:26:22 testing simple program... [ 60.082066] cgroup: Unknown subsys name 'net' [ 60.149720] cgroup: Unknown subsys name 'cpuset' [ 60.165776] cgroup: Unknown subsys name 'rlimit' executing program executing program executing program VM DIAGNOSIS: 16:26:21 Registers: info registers vcpu 0 RAX=0000000000022000 RBX=ffff888015d20000 RCX=0000000000000001 RDX=0000000000022005 RSI=0000000000000000 RDI=ffffffff85e1ffe0 RBP=ffff888015d20a58 RSP=ffff88806ce088a8 R8 =0000000000000000 R9 =0000000000000005 R10=0000000000000001 R11=0000000000000000 R12=ffff888015d20a80 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 00007fadd4265900 00000000 00000000 GS =0000 ffff8880e538f000 00000000 00000000 LDT=0000 fffffe0b00000000 00000000 00000000 TR =0040 fffffe0000003000 00004087 00008b00 DPL=0 TSS64-busy GDT= fffffe0000001000 0000007f IDT= fffffe0000000000 00000fff CR0=80050033 CR2=00007ffcfa057000 CR3=000000001f74c000 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=ffffffffffffffffffff000000000000 XMM01=000000000000003635006b6f6c6c756e XMM02=62003d73646e756f7200323135616873 XMM03=5320444f4854454d5f54505952434e45 XMM04=40404040404040404040404040404040 XMM05=5a5a5a5a5a5a5a5a5a5a5a5a5a5a5a5a XMM06=20202020202020202020202020202020 XMM07=00000000000000000000000000000000 XMM08=00000000000000000000000000202020 XMM09=ff0000ffffffffffff00000000ffffff XMM10=00000000000000000000000000000000 XMM11=00000000000000000000000000000000 XMM12=00000000000000000000000000000000 XMM13=00000000000000000000000000000000 XMM14=00000000000000000000000000000000 XMM15=00000000000000000000000000000000 info registers vcpu 1 RAX=0000000000022000 RBX=ffff8880174e5340 RCX=0000000000000001 RDX=0000000000000000 RSI=0000000000000000 RDI=ffffffff85e1ffe0 RBP=ffff8880174e5d98 RSP=ffff88806cf088c8 R8 =0000000000000000 R9 =0000000000000005 R10=0000000000000001 R11=0000000000000000 R12=ffff8880174e5dc0 R13=0000000000000000 R14=0000000000000000 R15=0000000000000000 RIP=ffffffff815270c7 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 00007f6000b57900 00000000 00000000 GS =0000 ffff8880e548f000 00000000 00000000 LDT=0000 fffffe6a00000000 00000000 00000000 TR =0040 fffffe000004a000 00004087 00008b00 DPL=0 TSS64-busy GDT= fffffe0000048000 0000007f IDT= fffffe0000000000 00000fff CR0=80050033 CR2=00007f6000271020 CR3=000000000d245000 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=36323a363120373120766f4e3e36383c XMM01=7365733a646873732878696e755f6d61 XMM02=736f6c63206e6f6973736573203a296e XMM03=5f6d6170203a5d3235325b6468737320 XMM04=6456774875434142334f726f59427469 XMM05=485320415352203a3268737320383839 XMM06=206d6f726620746f6f7220726f662079 XMM07=00000000000000000000000000000000 XMM08=3a677562656420676f6c737973720000 XMM09=00000000000000000000000000000000 XMM10=00000000000000000000000000000000 XMM11=00000000000000000000000000000000 XMM12=00000000000000000000000000000000 XMM13=00000000000000000000000000000000 XMM14=00000000000000000000000000000000 XMM15=00000000000000000000000000000000