Debian GNU/Linux 11 syzkaller ttyS0 syzkaller login: [ 39.002871] ------------[ cut here ]------------ [ 39.003802] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 39.005849] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#0: sshd/233 [ 39.007381] Modules linked in: [ 39.008008] CPU: 0 UID: 104 PID: 233 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251118 #1 PREEMPT(voluntary) [ 39.010046] Tainted: [W]=WARN [ 39.010697] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 39.012176] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 39.013097] 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 [ 39.016313] RSP: 0018:ffff88801a887bc0 EFLAGS: 00010286 [ 39.017295] RAX: 0000000000000000 RBX: ffffed1003510f78 RCX: ffffffff813a4050 [ 39.018640] RDX: ffff88801573d340 RSI: ffffffff813a405e RDI: 0000000000000001 [ 39.019929] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed1003510f2f [ 39.021222] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 39.022567] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff88801a887df8 [ 39.023883] FS: 00007fcbb4976900(0000) GS:ffff8880e538f000(0000) knlGS:0000000000000000 [ 39.025341] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 39.026449] CR2: 00007fcbb4e68580 CR3: 000000000bb0d000 CR4: 0000000000350ef0 [ 39.027776] Call Trace: [ 39.028238] [ 39.028703] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 39.029611] ? __create_object+0x59/0x80 [ 39.030357] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 39.031371] __vmalloc_noprof+0x59/0x60 [ 39.032147] bpf_prog_alloc_no_stats+0x55/0x470 [ 39.033026] ? __pfx_seccomp_check_filter+0x10/0x10 [ 39.033968] bpf_prog_alloc+0x39/0x200 [ 39.034763] ? __pfx_seccomp_check_filter+0x10/0x10 [ 39.035698] bpf_prog_create_from_user+0xb2/0x2f0 [ 39.036597] do_seccomp+0x349/0x25e0 [ 39.037274] ? __pfx_css_rstat_updated+0x10/0x10 [ 39.038179] ? __pfx_do_seccomp+0x10/0x10 [ 39.039003] ? find_held_lock+0x2b/0x80 [ 39.039779] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 39.040760] ? static_key_count+0x60/0x80 [ 39.041586] prctl_set_seccomp+0x4e/0x70 [ 39.042323] __do_sys_prctl+0xe6c/0x1d70 [ 39.043142] ? __pfx___do_sys_prctl+0x10/0x10 [ 39.044001] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 39.044992] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 39.045966] ? irqentry_exit+0xf3/0x650 [ 39.046790] do_syscall_64+0xbf/0x430 [ 39.047555] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 39.048516] RIP: 0033:0x7fcbb4e685cd [ 39.049189] 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 [ 39.052411] RSP: 002b:00007fff87773940 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 39.053806] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007fcbb4e685cd [ 39.055150] RDX: 0000556102c5ae00 RSI: 0000000000000002 RDI: 0000000000000016 [ 39.056432] RBP: 00007fff877739a0 R08: 0000000000000000 R09: 00007fff87773040 [ 39.057724] R10: 0000000000000000 R11: 0000000000000246 R12: 000055612c192ad0 [ 39.059059] R13: 00007fff87773dd0 R14: 000055612c193bc0 R15: 000055612c1a4780 [ 39.060370] [ 39.060835] irq event stamp: 1737 [ 39.061504] hardirqs last enabled at (1747): [] __up_console_sem+0x78/0x80 [ 39.063062] hardirqs last disabled at (1756): [] __up_console_sem+0x5d/0x80 [ 39.064591] softirqs last enabled at (1674): [] handle_softirqs+0x50c/0x770 [ 39.066140] softirqs last disabled at (1663): [] __irq_exit_rcu+0xc4/0x100 [ 39.067683] ---[ end trace 0000000000000000 ]--- [ 42.550877] ------------[ cut here ]------------ [ 42.551620] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 42.553184] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#0: sshd/242 [ 42.554337] Modules linked in: [ 42.554859] CPU: 0 UID: 104 PID: 242 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251118 #1 PREEMPT(voluntary) [ 42.556434] Tainted: [W]=WARN [ 42.556868] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 42.558023] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 42.558759] 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 [ 42.561263] RSP: 0018:ffff888016dffbc0 EFLAGS: 00010286 [ 42.562037] RAX: 0000000000000000 RBX: ffffed1002dbff78 RCX: ffffffff813a4050 [ 42.563061] RDX: ffff88800f110000 RSI: ffffffff813a405e RDI: 0000000000000001 [ 42.564082] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed1002dbff2f [ 42.565106] R10: 0000000000000000 R11: 0000000000000001 R12: 0000000000400dc0 [ 42.566121] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff888016dffdf8 [ 42.567160] FS: 00007f66a1424900(0000) GS:ffff8880e538f000(0000) knlGS:0000000000000000 [ 42.568300] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 42.569130] CR2: 00007f66a1916580 CR3: 000000000c2de000 CR4: 0000000000350ef0 [ 42.570157] Call Trace: [ 42.570567] [ 42.570890] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 42.571603] ? __create_object+0x59/0x80 [ 42.572185] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 42.572953] __vmalloc_noprof+0x59/0x60 [ 42.573565] bpf_prog_alloc_no_stats+0x55/0x470 [ 42.574219] ? __pfx_seccomp_check_filter+0x10/0x10 [ 42.574974] bpf_prog_alloc+0x39/0x200 [ 42.575558] ? __pfx_seccomp_check_filter+0x10/0x10 [ 42.576253] bpf_prog_create_from_user+0xb2/0x2f0 [ 42.576963] do_seccomp+0x349/0x25e0 [ 42.577529] ? __pfx_css_rstat_updated+0x10/0x10 [ 42.578206] ? __pfx_do_seccomp+0x10/0x10 [ 42.578835] ? find_held_lock+0x2b/0x80 [ 42.579437] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 42.580161] ? static_key_count+0x60/0x80 [ 42.580807] prctl_set_seccomp+0x4e/0x70 [ 42.581434] __do_sys_prctl+0xe6c/0x1d70 [ 42.582020] ? __pfx___do_sys_prctl+0x10/0x10 [ 42.582719] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 42.583491] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 42.584215] ? irqentry_exit+0xf3/0x650 [ 42.584826] do_syscall_64+0xbf/0x430 [ 42.585376] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 42.586118] RIP: 0033:0x7f66a19165cd [ 42.586695] 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 [ 42.589203] RSP: 002b:00007ffdc5be8110 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 42.590288] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f66a19165cd [ 42.591306] RDX: 0000563e4fd0ae00 RSI: 0000000000000002 RDI: 0000000000000016 [ 42.592326] RBP: 00007ffdc5be8170 R08: 0000000000000000 R09: 00007ffdc5be7810 [ 42.593352] R10: 0000000000000000 R11: 0000000000000246 R12: 0000563e73366ad0 [ 42.594369] R13: 00007ffdc5be85a0 R14: 0000563e73367bc0 R15: 0000563e73378780 [ 42.595436] [ 42.595770] irq event stamp: 1765 [ 42.596251] hardirqs last enabled at (1773): [] __up_console_sem+0x78/0x80 [ 42.597455] hardirqs last disabled at (1782): [] __up_console_sem+0x5d/0x80 [ 42.598671] softirqs last enabled at (1604): [] handle_softirqs+0x50c/0x770 [ 42.599889] softirqs last disabled at (1589): [] __irq_exit_rcu+0xc4/0x100 [ 42.601090] ---[ end trace 0000000000000000 ]--- [ 43.400741] ------------[ cut here ]------------ [ 43.401661] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 43.403623] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#1: sshd/249 [ 43.405291] Modules linked in: [ 43.406310] CPU: 1 UID: 104 PID: 249 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251118 #1 PREEMPT(voluntary) [ 43.408259] Tainted: [W]=WARN [ 43.408848] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 43.410276] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 43.411196] 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 [ 43.414290] RSP: 0018:ffff888016e1fbc0 EFLAGS: 00010286 [ 43.415274] RAX: 0000000000000000 RBX: ffffed1002dc3f78 RCX: ffffffff813a4050 [ 43.416538] RDX: ffff888015739bc0 RSI: ffffffff813a405e RDI: 0000000000000001 [ 43.417798] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed1002dc3f2f [ 43.419076] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 43.420336] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff888016e1fdf8 [ 43.421608] FS: 00007fd642525900(0000) GS:ffff8880e548f000(0000) knlGS:0000000000000000 [ 43.423035] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 43.424087] CR2: 00007fd642a17580 CR3: 0000000020e4a000 CR4: 0000000000350ef0 [ 43.425352] Call Trace: [ 43.425841] [ 43.426241] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 43.427130] ? __create_object+0x59/0x80 [ 43.427906] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 43.428859] __vmalloc_noprof+0x59/0x60 [ 43.429608] bpf_prog_alloc_no_stats+0x55/0x470 [ 43.430479] ? __pfx_seccomp_check_filter+0x10/0x10 [ 43.431347] bpf_prog_alloc+0x39/0x200 [ 43.432075] ? __pfx_seccomp_check_filter+0x10/0x10 [ 43.432985] bpf_prog_create_from_user+0xb2/0x2f0 [ 43.433874] do_seccomp+0x349/0x25e0 [ 43.434598] ? __pfx_css_rstat_updated+0x10/0x10 [ 43.435480] ? __pfx_do_seccomp+0x10/0x10 [ 43.436211] ? find_held_lock+0x2b/0x80 [ 43.436959] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 43.437904] ? static_key_count+0x60/0x80 [ 43.438712] prctl_set_seccomp+0x4e/0x70 [ 43.439472] __do_sys_prctl+0xe6c/0x1d70 [ 43.440193] ? __pfx___do_sys_prctl+0x10/0x10 [ 43.441030] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 43.441983] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 43.442936] ? irqentry_exit+0xf3/0x650 [ 43.443696] do_syscall_64+0xbf/0x430 [ 43.444381] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 43.445303] RIP: 0033:0x7fd642a175cd [ 43.445991] 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 [ 43.449093] RSP: 002b:00007fff3a77d9d0 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 43.450438] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007fd642a175cd [ 43.451698] RDX: 0000561e97cc9e00 RSI: 0000000000000002 RDI: 0000000000000016 [ 43.452955] RBP: 00007fff3a77da30 R08: 0000000000000000 R09: 00007fff3a77d0d0 [ 43.454212] R10: 0000000000000000 R11: 0000000000000246 R12: 0000561ed15cbad0 [ 43.455481] R13: 00007fff3a77de60 R14: 0000561ed15ccbc0 R15: 0000561ed15dd780 [ 43.456758] [ 43.457178] irq event stamp: 1841 [ 43.457817] hardirqs last enabled at (1851): [] __up_console_sem+0x78/0x80 [ 43.459312] hardirqs last disabled at (1860): [] __up_console_sem+0x5d/0x80 [ 43.460795] softirqs last enabled at (1398): [] handle_softirqs+0x50c/0x770 [ 43.462307] softirqs last disabled at (1393): [] __irq_exit_rcu+0xc4/0x100 [ 43.463808] ---[ end trace 0000000000000000 ]--- Warning: Permanently added '[localhost]:65212' (ECDSA) to the list of known hosts. 2025/11/19 07:29:25 fuzzer started 2025/11/19 07:29:25 dialing manager at localhost:34383 2025/11/19 07:29:25 checking machine... 2025/11/19 07:29:25 checking revisions... [ 44.346168] kmemleak: Automatic memory scanning thread ended 2025/11/19 07:29:25 testing simple program... [ 44.431974] cgroup: Unknown subsys name 'net' [ 44.492366] cgroup: Unknown subsys name 'cpuset' [ 44.508533] cgroup: Unknown subsys name 'rlimit' executing program executing program executing program VM DIAGNOSIS: 07:29:24 Registers: info registers vcpu 0 RAX=dffffc0000000000 RBX=0000000000000000 RCX=ffffffff8166db50 RDX=1ffffffff0b51b90 RSI=ffffffff81351811 RDI=ffffffff85a8dc80 RBP=ffffffff87a94d00 RSP=ffff88806ce08cc8 R8 =0000000000000000 R9 =fffffbfff10b3075 R10=0000000000000000 R11=0000001d5aff5612 R12=0000000a0923c256 R13=fffffbfff0b82250 R14=0000000000000000 R15=dffffc0000000000 RIP=ffffffff8135182e RFL=00000046 [---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 00007f66a1424900 00000000 00000000 GS =0000 ffff8880e538f000 00000000 00000000 LDT=0000 fffffe5800000000 00000000 00000000 TR =0040 fffffe0000003000 00004087 00008b00 DPL=0 TSS64-busy GDT= fffffe0000001000 0000007f IDT= fffffe0000000000 00000fff CR0=80050033 CR2=00007f66a13f3008 CR3=0000000020d3c000 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=000000000000000a RBX=000055cdc29c6e00 RCX=000055cdb8edf108 RDX=0000000000000fa1 RSI=00007f8428002f10 RDI=000055cdc29cb240 RBP=00007f8428002f10 RSP=00007f842ee0e9f0 R8 =00007f842ee0f700 R9 =0000000000000000 R10=0000000000000001 R11=0000000000000286 R12=0000000000000000 R13=000055cdc29cb240 R14=00007f8428002f10 R15=0000000000000000 RIP=000055cdb8eb03dc RFL=00000207 [-----PC] 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 00007f842ee0f700 00000000 00000000 GS =0000 0000000000000000 00000000 00000000 LDT=0000 fffffe7c00000000 00000000 00000000 TR =0040 fffffe000004a000 00004087 00008b00 DPL=0 TSS64-busy GDT= fffffe0000048000 0000007f IDT= fffffe0000000000 00000fff CR0=80050033 CR2=00007f4a34fdd6f0 CR3=0000000013b99000 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=2034323a39323a373020393120766f4e XMM01=657463656e6e6f63736944203a5d3134 XMM02=302e303120746f6f722072657375206d XMM03=203a5d3134325b646873732072656c6c XMM04=69662068637573206f4e203a656c6163 XMM05=3a656c696620766e65206e65706f206f XMM06=65733a6468737328766e655f6d617020 XMM07=6b7a79732034323a39323a3730203931 XMM08=30343d7974696c696261706163202279 XMM09=00000000000000000000000000000000 XMM10=00000000000000000000000000000000 XMM11=00000000000000000000000000000000 XMM12=00000000000000000000000000000000 XMM13=00000000000000000000000000000000 XMM14=00000000000000000000000000000000 XMM15=00000000000000000000000000000000