Debian GNU/Linux 11 syzkaller ttyS0 syzkaller login: [ 39.042367] ------------[ cut here ]------------ [ 39.043473] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 39.045610] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#0: sshd/234 [ 39.047136] Modules linked in: [ 39.047756] CPU: 0 UID: 104 PID: 234 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251117 #1 PREEMPT(voluntary) [ 39.050032] Tainted: [W]=WARN [ 39.050667] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 39.052703] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 39.054181] 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 [ 39.057903] RSP: 0018:ffff888017cefbc0 EFLAGS: 00010286 [ 39.059040] RAX: 0000000000000000 RBX: ffffed1002f9df78 RCX: ffffffff813a4050 [ 39.060534] RDX: ffff888016dbd340 RSI: ffffffff813a405e RDI: 0000000000000001 [ 39.061875] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed1002f9df2f [ 39.063416] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 39.064991] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff888017cefdf8 [ 39.066334] FS: 00007fe61b6d4900(0000) GS:ffff8880e538f000(0000) knlGS:0000000000000000 [ 39.067878] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 39.068989] CR2: 00007fe61bbc6580 CR3: 0000000009ea3000 CR4: 0000000000350ef0 [ 39.070421] Call Trace: [ 39.071037] [ 39.071534] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 39.072614] ? __create_object+0x59/0x80 [ 39.073558] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 39.074681] __vmalloc_noprof+0x59/0x60 [ 39.075482] bpf_prog_alloc_no_stats+0x55/0x470 [ 39.076388] ? __pfx_seccomp_check_filter+0x10/0x10 [ 39.077352] bpf_prog_alloc+0x39/0x200 [ 39.078100] ? __pfx_seccomp_check_filter+0x10/0x10 [ 39.079061] bpf_prog_create_from_user+0xb2/0x2f0 [ 39.079951] do_seccomp+0x349/0x25e0 [ 39.080692] ? __pfx_css_rstat_updated+0x10/0x10 [ 39.081620] ? __pfx_do_seccomp+0x10/0x10 [ 39.082428] ? find_held_lock+0x2b/0x80 [ 39.083209] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 39.084216] ? static_key_count+0x60/0x80 [ 39.085055] prctl_set_seccomp+0x4e/0x70 [ 39.085801] __do_sys_prctl+0xe6c/0x1d70 [ 39.086604] ? __pfx___do_sys_prctl+0x10/0x10 [ 39.087483] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 39.088493] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 39.089493] ? irqentry_exit+0xf3/0x650 [ 39.090279] do_syscall_64+0xbf/0x430 [ 39.091037] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 39.092035] RIP: 0033:0x7fe61bbc65cd [ 39.092709] 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 [ 39.095986] RSP: 002b:00007fff227e62d0 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 39.097380] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007fe61bbc65cd [ 39.098693] RDX: 0000562ed1d84e00 RSI: 0000000000000002 RDI: 0000000000000016 [ 39.100015] RBP: 00007fff227e6330 R08: 0000000000000000 R09: 00007fff227e59d0 [ 39.101333] R10: 0000000000000000 R11: 0000000000000246 R12: 0000562edd0642b0 [ 39.102644] R13: 00007fff227e6760 R14: 0000562edd066d20 R15: 0000562edd0788d0 [ 39.104008] [ 39.104445] irq event stamp: 1877 [ 39.105114] hardirqs last enabled at (1887): [] __up_console_sem+0x78/0x80 [ 39.106673] hardirqs last disabled at (1896): [] __up_console_sem+0x5d/0x80 [ 39.108124] softirqs last enabled at (1700): [] handle_softirqs+0x50c/0x770 [ 39.109209] softirqs last disabled at (1695): [] __irq_exit_rcu+0xc4/0x100 [ 39.110274] ---[ end trace 0000000000000000 ]--- [ 42.617166] ------------[ cut here ]------------ [ 42.618058] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 42.620145] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#0: sshd/242 [ 42.621558] Modules linked in: [ 42.622179] CPU: 0 UID: 104 PID: 242 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251117 #1 PREEMPT(voluntary) [ 42.624425] Tainted: [W]=WARN [ 42.625091] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 42.626540] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 42.627442] 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 [ 42.630617] RSP: 0018:ffff888016e1fbc0 EFLAGS: 00010286 [ 42.631588] RAX: 0000000000000000 RBX: ffffed1002dc3f78 RCX: ffffffff813a4050 [ 42.632896] RDX: ffff88801bd11bc0 RSI: ffffffff813a405e RDI: 0000000000000001 [ 42.634172] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed1002dc3f2f [ 42.635442] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 42.636748] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff888016e1fdf8 [ 42.638033] FS: 00007fd89315d900(0000) GS:ffff8880e538f000(0000) knlGS:0000000000000000 [ 42.639448] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 42.640533] CR2: 00007ffeeeabbef8 CR3: 0000000020954000 CR4: 0000000000350ef0 [ 42.641800] Call Trace: [ 42.642305] [ 42.642707] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 42.643588] ? __create_object+0x59/0x80 [ 42.644402] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 42.645357] __vmalloc_noprof+0x59/0x60 [ 42.646120] bpf_prog_alloc_no_stats+0x55/0x470 [ 42.646935] ? __pfx_seccomp_check_filter+0x10/0x10 [ 42.647896] bpf_prog_alloc+0x39/0x200 [ 42.648634] ? __pfx_seccomp_check_filter+0x10/0x10 [ 42.649562] bpf_prog_create_from_user+0xb2/0x2f0 [ 42.650466] do_seccomp+0x349/0x25e0 [ 42.651194] ? find_held_lock+0x2b/0x80 [ 42.651934] ? do_prlimit+0x310/0x610 [ 42.652671] ? __pfx_do_seccomp+0x10/0x10 [ 42.653450] ? do_raw_spin_unlock+0x53/0x220 [ 42.654277] ? _raw_spin_unlock+0x1e/0x40 [ 42.655052] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 42.656052] ? static_key_count+0x60/0x80 [ 42.656805] prctl_set_seccomp+0x4e/0x70 [ 42.657573] __do_sys_prctl+0xe6c/0x1d70 [ 42.658333] ? __pfx___do_sys_prctl+0x10/0x10 [ 42.659177] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 42.660171] ? irqentry_exit+0xf3/0x650 [ 42.660887] do_syscall_64+0xbf/0x430 [ 42.661635] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 42.662584] RIP: 0033:0x7fd89364f5cd [ 42.663300] 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 [ 42.666460] RSP: 002b:00007ffeeeaba4e0 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 42.667850] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007fd89364f5cd [ 42.669114] RDX: 000055a2725e9e00 RSI: 0000000000000002 RDI: 0000000000000016 [ 42.670386] RBP: 00007ffeeeaba540 R08: 0000000000000000 R09: 00007ffeeeab9be0 [ 42.671652] R10: 0000000000000000 R11: 0000000000000246 R12: 000055a29060cad0 [ 42.672892] R13: 00007ffeeeaba970 R14: 000055a29060dbc0 R15: 000055a29061e780 [ 42.673990] [ 42.674343] irq event stamp: 1817 [ 42.674841] hardirqs last enabled at (1825): [] __up_console_sem+0x78/0x80 [ 42.676136] hardirqs last disabled at (1834): [] __up_console_sem+0x5d/0x80 [ 42.677393] softirqs last enabled at (1690): [] handle_softirqs+0x50c/0x770 [ 42.678663] softirqs last disabled at (1685): [] __irq_exit_rcu+0xc4/0x100 [ 42.679942] ---[ end trace 0000000000000000 ]--- [ 43.504371] ------------[ cut here ]------------ [ 43.505388] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 43.507663] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#1: sshd/250 [ 43.509258] Modules linked in: [ 43.509916] CPU: 1 UID: 104 PID: 250 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251117 #1 PREEMPT(voluntary) [ 43.512119] Tainted: [W]=WARN [ 43.512725] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 43.514341] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 43.515347] 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 [ 43.518827] RSP: 0018:ffff88801ac1fbc0 EFLAGS: 00010286 [ 43.519919] RAX: 0000000000000000 RBX: ffffed1003583f78 RCX: ffffffff813a4050 [ 43.521341] RDX: ffff8880154f8000 RSI: ffffffff813a405e RDI: 0000000000000001 [ 43.522750] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed1003583f2f [ 43.524173] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 43.525592] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff88801ac1fdf8 [ 43.527014] FS: 00007f0f837fc900(0000) GS:ffff8880e548f000(0000) knlGS:0000000000000000 [ 43.528618] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 43.529792] CR2: 00007f0f83d624a6 CR3: 0000000020bb0000 CR4: 0000000000350ef0 [ 43.531215] Call Trace: [ 43.531737] [ 43.532251] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 43.533235] ? __create_object+0x59/0x80 [ 43.534103] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 43.535179] __vmalloc_noprof+0x59/0x60 [ 43.536039] bpf_prog_alloc_no_stats+0x55/0x470 [ 43.536955] ? __pfx_seccomp_check_filter+0x10/0x10 [ 43.538027] bpf_prog_alloc+0x39/0x200 [ 43.538790] ? __pfx_seccomp_check_filter+0x10/0x10 [ 43.539832] bpf_prog_create_from_user+0xb2/0x2f0 [ 43.540828] do_seccomp+0x349/0x25e0 [ 43.541623] ? find_held_lock+0x2b/0x80 [ 43.542468] ? do_prlimit+0x310/0x610 [ 43.543287] ? __pfx_do_seccomp+0x10/0x10 [ 43.544151] ? do_raw_spin_unlock+0x53/0x220 [ 43.545073] ? _raw_spin_unlock+0x1e/0x40 [ 43.545881] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 43.546948] ? static_key_count+0x60/0x80 [ 43.547829] prctl_set_seccomp+0x4e/0x70 [ 43.548685] __do_sys_prctl+0xe6c/0x1d70 [ 43.549559] ? __pfx___do_sys_prctl+0x10/0x10 [ 43.550510] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 43.551592] ? irqentry_exit+0xf3/0x650 [ 43.552451] do_syscall_64+0xbf/0x430 [ 43.553271] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 43.554321] RIP: 0033:0x7f0f83cee5cd [ 43.555097] 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 [ 43.558618] RSP: 002b:00007ffc9b183020 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 43.560133] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f0f83cee5cd [ 43.561537] RDX: 000055731b0a3e00 RSI: 0000000000000002 RDI: 0000000000000016 [ 43.562945] RBP: 00007ffc9b183080 R08: 0000000000000000 R09: 00007ffc9b182720 [ 43.564399] R10: 0000000000000000 R11: 0000000000000246 R12: 00005573580812b0 [ 43.565818] R13: 00007ffc9b1834b0 R14: 0000557358083d20 R15: 00005573580958d0 [ 43.567255] [ 43.567744] irq event stamp: 1757 [ 43.568473] hardirqs last enabled at (1767): [] __up_console_sem+0x78/0x80 [ 43.570158] hardirqs last disabled at (1776): [] __up_console_sem+0x5d/0x80 [ 43.571868] softirqs last enabled at (1628): [] handle_softirqs+0x50c/0x770 [ 43.573322] softirqs last disabled at (1623): [] __irq_exit_rcu+0xc4/0x100 [ 43.574712] ---[ end trace 0000000000000000 ]--- Warning: Permanently added '[localhost]:21177' (ECDSA) to the list of known hosts. 2025/11/18 05:36:24 fuzzer started 2025/11/18 05:36:24 dialing manager at localhost:37895 2025/11/18 05:36:24 checking machine... 2025/11/18 05:36:24 checking revisions... [ 44.474236] kmemleak: Automatic memory scanning thread ended 2025/11/18 05:36:24 testing simple program... [ 44.568304] cgroup: Unknown subsys name 'net' [ 44.621867] cgroup: Unknown subsys name 'cpuset' [ 44.635515] cgroup: Unknown subsys name 'rlimit' executing program executing program executing program VM DIAGNOSIS: 05:36:24 Registers: info registers vcpu 0 RAX=ffffffff813c1c59 RBX=0000000000000002 RCX=0000000000000002 RDX=ffff88806ce08f01 RSI=ffff88806ce08fe8 RDI=ffff88806ce08fe8 RBP=ffff88806ce08a88 RSP=ffff88806ce089b8 R8 =ffffffff86a0b89a R9 =ffff88806ce08a70 R10=000000000003c9ed R11=0000000000008972 R12=ffff88806ce08a90 R13=ffff88806ce08a78 R14=ffff88806ce08ff0 R15=ffff88806ce08a30 RIP=ffffffff8135da23 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 00007fd89315d900 00000000 00000000 GS =0000 ffff8880e538f000 00000000 00000000 LDT=0000 fffffe2c00000000 00000000 00000000 TR =0040 fffffe0000003000 00004087 00008b00 DPL=0 TSS64-busy GDT= fffffe0000001000 0000007f IDT= fffffe0000000000 00000fff CR0=80050033 CR2=00007ffeeeab4000 CR3=00000000209b4000 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=6720646572637465733a4d41503d706f 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=00007ffd70fc1248 RBX=0000000000000001 RCX=ffffffff869d91d8 RDX=dffffc0000000000 RSI=1ffff1100d9e1159 RDI=ffff88801547fff0 RBP=ffff88806cf08ac8 RSP=ffff88806cf08a00 R8 =ffffffff869d91dc R9 =0000000000000000 R10=000000000003c9ed R11=00000000000002f3 R12=ffff88806cf08ad0 R13=ffff88806cf08ab8 R14=ffff88801547ff58 R15=ffff88806cf08a70 RIP=ffffffff8135f169 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 =0000 0000000000000000 00000000 00000000 DS =0000 0000000000000000 00000000 00000000 FS =0000 00007f7091ebb900 00000000 00000000 GS =0000 ffff8880e548f000 00000000 00000000 LDT=0000 fffffe5800000000 00000000 00000000 TR =0040 fffffe000004a000 00004087 00008b00 DPL=0 TSS64-busy GDT= fffffe0000048000 0000007f IDT= fffffe0000000000 00000fff CR0=80050033 CR2=00007f70915d4000 CR3=000000000dbe1000 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=454d49544c4145525f454352554f535f XMM01=3d504d415453454d49545f454d49544c XMM02=ffffffffffffffffffffffffffffffff XMM03=2f6c616e72756f6a2f676f6c2f6e7572 XMM04=360b91b76c38db4e00000000000ae988 XMM05=72f83577e608000d0000000000322c68 XMM06=aced96823bbeca600000000000320cf0 XMM07=00000000000000000000000000000000 XMM08=415453454d49545f454d49544c414552 XMM09=00000000000000000000000000000000 XMM10=20200000000020202020202020200000 XMM11=00000000000000000000000000000000 XMM12=00000000000000000000000000000000 XMM13=00000000000000000000000000000000 XMM14=00000000000000000000000000000000 XMM15=00000000000000000000000000000000