Debian GNU/Linux 11 syzkaller ttyS0 syzkaller login: [ 39.574635] ------------[ cut here ]------------ [ 39.575595] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 39.577702] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#1: sshd/232 [ 39.579170] Modules linked in: [ 39.579808] CPU: 1 UID: 104 PID: 232 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251117 #1 PREEMPT(voluntary) [ 39.583307] Tainted: [W]=WARN [ 39.583878] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 39.585463] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 39.586416] 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 [ 39.589682] RSP: 0018:ffff88801a0cfbc0 EFLAGS: 00010286 [ 39.590689] RAX: 0000000000000000 RBX: ffffed1003419f78 RCX: ffffffff813a4050 [ 39.592009] RDX: ffff88801624b780 RSI: ffffffff813a405e RDI: 0000000000000001 [ 39.593344] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed1003419f2f [ 39.594679] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 39.595996] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff88801a0cfdf8 [ 39.597311] FS: 00007fdeb1ce7900(0000) GS:ffff8880e548f000(0000) knlGS:0000000000000000 [ 39.598800] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 39.599886] CR2: 00007fffae448ef8 CR3: 000000000c32d000 CR4: 0000000000350ef0 [ 39.601210] Call Trace: [ 39.601738] [ 39.602160] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 39.603079] ? __create_object+0x59/0x80 [ 39.603892] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 39.604889] __vmalloc_noprof+0x59/0x60 [ 39.605678] bpf_prog_alloc_no_stats+0x55/0x470 [ 39.606575] ? __pfx_seccomp_check_filter+0x10/0x10 [ 39.607540] bpf_prog_alloc+0x39/0x200 [ 39.608292] ? __pfx_seccomp_check_filter+0x10/0x10 [ 39.609208] bpf_prog_create_from_user+0xb2/0x2f0 [ 39.610147] do_seccomp+0x349/0x25e0 [ 39.610885] ? find_held_lock+0x2b/0x80 [ 39.611668] ? do_prlimit+0x310/0x610 [ 39.612422] ? __pfx_do_seccomp+0x10/0x10 [ 39.613183] ? do_raw_spin_unlock+0x53/0x220 [ 39.614048] ? _raw_spin_unlock+0x1e/0x40 [ 39.614844] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 39.615840] ? static_key_count+0x60/0x80 [ 39.616663] prctl_set_seccomp+0x4e/0x70 [ 39.617460] __do_sys_prctl+0xe6c/0x1d70 [ 39.618229] ? __pfx___do_sys_prctl+0x10/0x10 [ 39.619106] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 39.620102] ? irqentry_exit+0xf3/0x650 [ 39.620874] do_syscall_64+0xbf/0x430 [ 39.621624] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 39.622610] RIP: 0033:0x7fdeb21d95cd [ 39.623327] 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 [ 39.626609] RSP: 002b:00007fffae446710 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 39.628005] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007fdeb21d95cd [ 39.629333] RDX: 000055bfed0abe00 RSI: 0000000000000002 RDI: 0000000000000016 [ 39.630664] RBP: 00007fffae446770 R08: 0000000000000000 R09: 00007fffae445e10 [ 39.631983] R10: 0000000000000000 R11: 0000000000000246 R12: 000055c01f9f02b0 [ 39.633296] R13: 00007fffae446ba0 R14: 000055c01f9f2d20 R15: 000055c01fa048d0 [ 39.634621] [ 39.634986] irq event stamp: 2087 [ 39.635546] hardirqs last enabled at (2097): [] __up_console_sem+0x78/0x80 [ 39.636859] hardirqs last disabled at (2106): [] __up_console_sem+0x5d/0x80 [ 39.638181] softirqs last enabled at (1678): [] handle_softirqs+0x50c/0x770 [ 39.639521] softirqs last disabled at (1669): [] __irq_exit_rcu+0xc4/0x100 [ 39.640826] ---[ end trace 0000000000000000 ]--- [ 42.837765] ------------[ cut here ]------------ [ 42.838730] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 42.840755] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#0: sshd/242 [ 42.842201] Modules linked in: [ 42.842870] CPU: 0 UID: 104 PID: 242 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251117 #1 PREEMPT(voluntary) [ 42.844851] Tainted: [W]=WARN [ 42.845461] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 42.846940] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 42.847859] 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 [ 42.851050] RSP: 0018:ffff88801731fbc0 EFLAGS: 00010286 [ 42.852018] RAX: 0000000000000000 RBX: ffffed1002e63f78 RCX: ffffffff813a4050 [ 42.853297] RDX: ffff8880165a3780 RSI: ffffffff813a405e RDI: 0000000000000001 [ 42.854591] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed1002e63f2f [ 42.855869] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 42.857142] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff88801731fdf8 [ 42.858467] FS: 00007f58ff96b900(0000) GS:ffff8880e538f000(0000) knlGS:0000000000000000 [ 42.859903] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 42.860978] CR2: 00007ffef0958ef8 CR3: 000000000cfbe000 CR4: 0000000000350ef0 [ 42.862280] Call Trace: [ 42.862755] [ 42.863160] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 42.864050] ? __create_object+0x59/0x80 [ 42.864863] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 42.865851] __vmalloc_noprof+0x59/0x60 [ 42.866624] bpf_prog_alloc_no_stats+0x55/0x470 [ 42.867513] ? __pfx_seccomp_check_filter+0x10/0x10 [ 42.868449] bpf_prog_alloc+0x39/0x200 [ 42.869158] ? __pfx_seccomp_check_filter+0x10/0x10 [ 42.870097] bpf_prog_create_from_user+0xb2/0x2f0 [ 42.870996] do_seccomp+0x349/0x25e0 [ 42.871715] ? find_held_lock+0x2b/0x80 [ 42.872467] ? do_prlimit+0x310/0x610 [ 42.873169] ? __pfx_do_seccomp+0x10/0x10 [ 42.873954] ? do_raw_spin_unlock+0x53/0x220 [ 42.874784] ? _raw_spin_unlock+0x1e/0x40 [ 42.875562] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 42.876530] ? static_key_count+0x60/0x80 [ 42.877333] prctl_set_seccomp+0x4e/0x70 [ 42.878078] __do_sys_prctl+0xe6c/0x1d70 [ 42.878856] ? __pfx___do_sys_prctl+0x10/0x10 [ 42.879721] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 42.880787] ? irqentry_exit+0xf3/0x650 [ 42.881575] do_syscall_64+0xbf/0x430 [ 42.882333] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 42.883237] RIP: 0033:0x7f58ffe5d5cd [ 42.883958] 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 [ 42.887101] RSP: 002b:00007ffef0956ca0 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 42.888457] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f58ffe5d5cd [ 42.889768] RDX: 000055b8a17dbe00 RSI: 0000000000000002 RDI: 0000000000000016 [ 42.891054] RBP: 00007ffef0956d00 R08: 0000000000000000 R09: 00007ffef09563a0 [ 42.892327] R10: 0000000000000000 R11: 0000000000000246 R12: 000055b8ccfa9ad0 [ 42.893619] R13: 00007ffef0957130 R14: 000055b8ccfaabc0 R15: 000055b8ccfbb780 [ 42.894943] [ 42.895407] irq event stamp: 1747 [ 42.896014] hardirqs last enabled at (1755): [] __up_console_sem+0x78/0x80 [ 42.897550] hardirqs last disabled at (1764): [] __up_console_sem+0x5d/0x80 [ 42.899098] softirqs last enabled at (1702): [] handle_softirqs+0x50c/0x770 [ 42.900646] softirqs last disabled at (1697): [] __irq_exit_rcu+0xc4/0x100 [ 42.902172] ---[ end trace 0000000000000000 ]--- [ 43.578173] ------------[ cut here ]------------ [ 43.578785] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 43.580100] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#0: sshd/249 [ 43.581029] Modules linked in: [ 43.581424] CPU: 0 UID: 104 PID: 249 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251117 #1 PREEMPT(voluntary) [ 43.582684] Tainted: [W]=WARN [ 43.583034] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 43.583971] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 43.584680] 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 [ 43.586728] RSP: 0018:ffff88801755fbc0 EFLAGS: 00010286 [ 43.587359] RAX: 0000000000000000 RBX: ffffed1002eabf78 RCX: ffffffff813a4050 [ 43.588151] RDX: ffff88801995d340 RSI: ffffffff813a405e RDI: 0000000000000001 [ 43.588963] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed1002eabf2f [ 43.589791] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 43.590615] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff88801755fdf8 [ 43.591444] FS: 00007ff2bab70900(0000) GS:ffff8880e538f000(0000) knlGS:0000000000000000 [ 43.592360] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 43.593007] CR2: 00007fff37d61ef8 CR3: 000000000b665000 CR4: 0000000000350ef0 [ 43.593832] Call Trace: [ 43.594126] [ 43.594406] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 43.594948] ? __create_object+0x59/0x80 [ 43.595447] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 43.596036] __vmalloc_noprof+0x59/0x60 [ 43.596525] bpf_prog_alloc_no_stats+0x55/0x470 [ 43.597051] ? __pfx_seccomp_check_filter+0x10/0x10 [ 43.597633] bpf_prog_alloc+0x39/0x200 [ 43.598084] ? __pfx_seccomp_check_filter+0x10/0x10 [ 43.598676] bpf_prog_create_from_user+0xb2/0x2f0 [ 43.599222] do_seccomp+0x349/0x25e0 [ 43.599683] ? find_held_lock+0x2b/0x80 [ 43.600133] ? do_prlimit+0x310/0x610 [ 43.600605] ? __pfx_do_seccomp+0x10/0x10 [ 43.601079] ? do_raw_spin_unlock+0x53/0x220 [ 43.601605] ? _raw_spin_unlock+0x1e/0x40 [ 43.602082] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 43.602691] ? static_key_count+0x60/0x80 [ 43.603175] prctl_set_seccomp+0x4e/0x70 [ 43.603670] __do_sys_prctl+0xe6c/0x1d70 [ 43.604148] ? __pfx___do_sys_prctl+0x10/0x10 [ 43.604694] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 43.605308] ? irqentry_exit+0xf3/0x650 [ 43.605774] do_syscall_64+0xbf/0x430 [ 43.606218] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 43.606829] RIP: 0033:0x7ff2bb0625cd [ 43.607277] 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 [ 43.609288] RSP: 002b:00007fff37d60d70 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 43.610138] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007ff2bb0625cd [ 43.610910] RDX: 00005591e3d70e00 RSI: 0000000000000002 RDI: 0000000000000016 [ 43.611608] RBP: 00007fff37d60dd0 R08: 0000000000000000 R09: 00007fff37d60470 [ 43.612325] R10: 0000000000000000 R11: 0000000000000246 R12: 000055921cbe8ad0 [ 43.612998] R13: 00007fff37d61200 R14: 000055921cbe9bc0 R15: 000055921cbfa780 [ 43.613717] [ 43.613953] irq event stamp: 1713 [ 43.614311] hardirqs last enabled at (1723): [] __up_console_sem+0x78/0x80 [ 43.615128] hardirqs last disabled at (1730): [] __up_console_sem+0x5d/0x80 [ 43.615964] softirqs last enabled at (1294): [] handle_softirqs+0x50c/0x770 [ 43.616816] softirqs last disabled at (1281): [] __irq_exit_rcu+0xc4/0x100 [ 43.617661] ---[ end trace 0000000000000000 ]--- Warning: Permanently added '[localhost]:35143' (ECDSA) to the list of known hosts. 2025/11/18 06:48:40 fuzzer started 2025/11/18 06:48:40 dialing manager at localhost:37895 2025/11/18 06:48:40 checking machine... 2025/11/18 06:48:40 checking revisions... [ 44.504554] kmemleak: Automatic memory scanning thread ended 2025/11/18 06:48:40 testing simple program... [ 44.587894] cgroup: Unknown subsys name 'net' [ 44.636993] cgroup: Unknown subsys name 'cpuset' [ 44.653619] cgroup: Unknown subsys name 'rlimit' executing program executing program executing program VM DIAGNOSIS: 06:48:39 Registers: info registers vcpu 0 RAX=0000001d703da17c RBX=0000000000000000 RCX=00000000000006e0 RDX=000000000000001d RSI=ffff88806ce23b00 RDI=000000000005079c RBP=ffff88806ce23b00 RSP=ffff88806ce08ed8 R8 =0000000000000001 R9 =0000000000000000 R10=00000000000e65cd R11=0000000000000001 R12=000000000005079c R13=0000000000000000 R14=0000000000000000 R15=ffff88806ce28500 RIP=ffffffff8132e865 RFL=00000016 [----AP-] 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 fffffe5100000000 00000000 00000000 TR =0040 fffffe0000003000 00004087 00008b00 DPL=0 TSS64-busy GDT= fffffe0000001000 0000007f IDT= fffffe0000000000 00000fff CR0=80050033 CR2=00007ffd32a7fd28 CR3=0000000005c8a000 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=00007f2f4b476510000055e36cda4790 XMM02=6f6974707972636e6561737268746977 XMM03=00000000000000000000000000777074 XMM04=40404040404040404040404040404040 XMM05=5a5a5a5a5a5a5a5a5a5a5a5a5a5a5a5a XMM06=20202020202020202020202020202020 XMM07=ffffffffffff00ffffff00ffffff00ff XMM08=00002000000000202020002020200000 XMM09=ffffffffffff00ffffff00ffffff00ff XMM10=00002000000000202020002020200000 XMM11=00000000000000000000000000000000 XMM12=00000000000000000000000000000000 XMM13=00000000000000000000000000000000 XMM14=00000000000000000000000000000000 XMM15=00000000000000000000000000000000 info registers vcpu 1 RAX=ffffffff81b2a3f8 RBX=ffffffff86725b9c RCX=ffffffff81b2a3f2 RDX=0000000000000000 RSI=ffffffff86ab8348 RDI=ffffffff86725b64 RBP=ffffffff86725b9c RSP=ffff88806cf089b8 R8 =ffffffff86ab8348 R9 =0000000000000000 R10=000000000003c9ed R11=00000000000255ec R12=ffffffff86725b98 R13=ffffffff86725b64 R14=ffffffff86725b98 R15=dffffc0000000000 RIP=ffffffff8135dacf RFL=00000297 [--S-APC] 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 00007f953cff9900 00000000 00000000 GS =0000 ffff8880e548f000 00000000 00000000 LDT=0000 fffffe4400000000 00000000 00000000 TR =0040 fffffe000004a000 00004087 00008b00 DPL=0 TSS64-busy GDT= fffffe0000048000 0000007f IDT= fffffe0000000000 00000fff CR0=80050033 CR2=00007f58fff20650 CR3=000000000d46c000 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=ffffffffffffffffffffffffffffffff XMM01=30306234386136303638616663356134 XMM02=38303062343861363036386166633561 XMM03=2f6c616e72756f6a2f676f6c2f6e7572 XMM04=d1057aaeec51091100000000000ae988 XMM05=c4fd9a23e83b55150000000000323858 XMM06=2f38c592d890b6b800000000003225f8 XMM07=00000000000000000000000000000000 XMM08=415453454d49545f454d49544c414552 XMM09=00000000000000000000000000000000 XMM10=20200000000020202020202020200000 XMM11=00000000000000000000000000000000 XMM12=00000000000000000000000000000000 XMM13=00000000000000000000000000000000 XMM14=00000000000000000000000000000000 XMM15=00000000000000000000000000000000