Debian GNU/Linux 11 syzkaller ttyS0 syzkaller login: [ 46.358214] ------------[ cut here ]------------ [ 46.359188] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 46.360933] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#1: sshd/233 [ 46.362166] Modules linked in: [ 46.362653] CPU: 1 UID: 104 PID: 233 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251118 #1 PREEMPT(voluntary) [ 46.364384] Tainted: [W]=WARN [ 46.364903] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 46.366171] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 46.366951] 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 [ 46.369616] RSP: 0018:ffff88801760fbc0 EFLAGS: 00010286 [ 46.370456] RAX: 0000000000000000 RBX: ffffed1002ec1f78 RCX: ffffffff813a4050 [ 46.371546] RDX: ffff888015bbd340 RSI: ffffffff813a405e RDI: 0000000000000001 [ 46.372618] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed1002ec1f2f [ 46.373721] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 46.374833] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff88801760fdf8 [ 46.375934] FS: 00007f4674f71900(0000) GS:ffff8880e548f000(0000) knlGS:0000000000000000 [ 46.377149] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 46.378057] CR2: 00007f4675463580 CR3: 000000001cb33000 CR4: 0000000000350ef0 [ 46.379163] Call Trace: [ 46.379551] [ 46.379939] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 46.380647] ? __create_object+0x59/0x80 [ 46.381312] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 46.382144] __vmalloc_noprof+0x59/0x60 [ 46.382786] bpf_prog_alloc_no_stats+0x55/0x470 [ 46.383488] ? __pfx_seccomp_check_filter+0x10/0x10 [ 46.384281] bpf_prog_alloc+0x39/0x200 [ 46.384901] ? __pfx_seccomp_check_filter+0x10/0x10 [ 46.385635] bpf_prog_create_from_user+0xb2/0x2f0 [ 46.386405] do_seccomp+0x349/0x25e0 [ 46.387034] ? __pfx_css_rstat_updated+0x10/0x10 [ 46.387796] ? __pfx_do_seccomp+0x10/0x10 [ 46.388433] ? find_held_lock+0x2b/0x80 [ 46.389083] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 46.389901] ? static_key_count+0x60/0x80 [ 46.390534] prctl_set_seccomp+0x4e/0x70 [ 46.391218] __do_sys_prctl+0xe6c/0x1d70 [ 46.391878] ? __pfx___do_sys_prctl+0x10/0x10 [ 46.392560] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 46.393378] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 46.394206] ? irqentry_exit+0xf3/0x650 [ 46.394863] do_syscall_64+0xbf/0x430 [ 46.395463] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 46.396283] RIP: 0033:0x7f46754635cd [ 46.396888] 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 [ 46.399564] RSP: 002b:00007fffaff81190 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 46.400729] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f46754635cd [ 46.401833] RDX: 000055d75fdd5e00 RSI: 0000000000000002 RDI: 0000000000000016 [ 46.402936] RBP: 00007fffaff811f0 R08: 0000000000000000 R09: 00007fffaff80890 [ 46.404020] R10: 0000000000000000 R11: 0000000000000246 R12: 000055d784d9aad0 [ 46.405125] R13: 00007fffaff81620 R14: 000055d784d9bbc0 R15: 000055d784dac780 [ 46.406223] [ 46.406588] irq event stamp: 1749 [ 46.407178] hardirqs last enabled at (1759): [] __up_console_sem+0x78/0x80 [ 46.408457] hardirqs last disabled at (1768): [] __up_console_sem+0x5d/0x80 [ 46.409767] softirqs last enabled at (1462): [] handle_softirqs+0x50c/0x770 [ 46.411082] softirqs last disabled at (1457): [] __irq_exit_rcu+0xc4/0x100 [ 46.412361] ---[ end trace 0000000000000000 ]--- [ 49.986465] ------------[ cut here ]------------ [ 49.987420] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 49.989431] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#0: sshd/241 [ 49.990934] Modules linked in: [ 49.991520] CPU: 0 UID: 104 PID: 241 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251118 #1 PREEMPT(voluntary) [ 49.993538] Tainted: [W]=WARN [ 49.994131] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 49.995602] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 49.996539] 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 [ 49.999710] RSP: 0018:ffff88801738fbc0 EFLAGS: 00010286 [ 50.000712] RAX: 0000000000000000 RBX: ffffed1002e71f78 RCX: ffffffff813a4050 [ 50.002013] RDX: ffff888018910000 RSI: ffffffff813a405e RDI: 0000000000000001 [ 50.003329] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed1002e71f2f [ 50.004643] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 50.005976] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff88801738fdf8 [ 50.007288] FS: 00007f5c828de900(0000) GS:ffff8880e538f000(0000) knlGS:0000000000000000 [ 50.008768] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 50.009852] CR2: 00007fff80a50ef7 CR3: 00000000202cf000 CR4: 0000000000350ef0 [ 50.011160] Call Trace: [ 50.011625] [ 50.012107] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 50.012999] ? __create_object+0x59/0x80 [ 50.013791] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 50.014756] __vmalloc_noprof+0x59/0x60 [ 50.015479] bpf_prog_alloc_no_stats+0x55/0x470 [ 50.016374] ? __pfx_seccomp_check_filter+0x10/0x10 [ 50.017319] bpf_prog_alloc+0x39/0x200 [ 50.018069] ? __pfx_seccomp_check_filter+0x10/0x10 [ 50.019022] bpf_prog_create_from_user+0xb2/0x2f0 [ 50.019949] do_seccomp+0x349/0x25e0 [ 50.020643] ? find_held_lock+0x2b/0x80 [ 50.021407] ? do_prlimit+0x310/0x610 [ 50.022143] ? __pfx_do_seccomp+0x10/0x10 [ 50.022910] ? do_raw_spin_unlock+0x53/0x220 [ 50.023767] ? _raw_spin_unlock+0x1e/0x40 [ 50.024531] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 50.025489] ? static_key_count+0x60/0x80 [ 50.026284] prctl_set_seccomp+0x4e/0x70 [ 50.027059] __do_sys_prctl+0xe6c/0x1d70 [ 50.027864] ? __pfx___do_sys_prctl+0x10/0x10 [ 50.028766] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 50.029740] ? irqentry_exit+0xf3/0x650 [ 50.030469] do_syscall_64+0xbf/0x430 [ 50.031238] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 50.032214] RIP: 0033:0x7f5c82dd05cd [ 50.032926] 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 [ 50.036139] RSP: 002b:00007fff80a4ea40 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 50.037529] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f5c82dd05cd [ 50.038816] RDX: 0000557fb95c0e00 RSI: 0000000000000002 RDI: 0000000000000016 [ 50.040086] RBP: 00007fff80a4eaa0 R08: 0000000000000000 R09: 00007fff80a4e140 [ 50.041056] R10: 0000000000000000 R11: 0000000000000246 R12: 0000557fd63acad0 [ 50.042049] R13: 00007fff80a4eed0 R14: 0000557fd63adbc0 R15: 0000557fd63be780 [ 50.043058] [ 50.043382] irq event stamp: 1707 [ 50.043888] hardirqs last enabled at (1717): [] __up_console_sem+0x78/0x80 [ 50.045102] hardirqs last disabled at (1726): [] __up_console_sem+0x5d/0x80 [ 50.046274] softirqs last enabled at (1222): [] handle_softirqs+0x50c/0x770 [ 50.047454] softirqs last disabled at (1217): [] __irq_exit_rcu+0xc4/0x100 [ 50.048609] ---[ end trace 0000000000000000 ]--- [ 50.893110] ------------[ cut here ]------------ [ 50.894144] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 50.896465] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#1: sshd/248 [ 50.898081] Modules linked in: [ 50.898809] CPU: 1 UID: 104 PID: 248 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251118 #1 PREEMPT(voluntary) [ 50.901349] Tainted: [W]=WARN [ 50.902415] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 50.904057] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 50.905022] 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 [ 50.908299] RSP: 0018:ffff88801773fbc0 EFLAGS: 00010286 [ 50.909411] RAX: 0000000000000000 RBX: ffffed1002ee7f78 RCX: ffffffff813a4050 [ 50.910801] RDX: ffff8880171f9bc0 RSI: ffffffff813a405e RDI: 0000000000000001 [ 50.912292] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed1002ee7f2f [ 50.913636] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 50.915060] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff88801773fdf8 [ 50.916520] FS: 00007fd3f8046900(0000) GS:ffff8880e548f000(0000) knlGS:0000000000000000 [ 50.918094] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 50.919315] CR2: 00007fd3f8538580 CR3: 000000000e07a000 CR4: 0000000000350ef0 [ 50.920755] Call Trace: [ 50.921279] [ 50.921768] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 50.922705] ? __create_object+0x59/0x80 [ 50.923544] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 50.924694] __vmalloc_noprof+0x59/0x60 [ 50.925515] bpf_prog_alloc_no_stats+0x55/0x470 [ 50.926513] ? __pfx_seccomp_check_filter+0x10/0x10 [ 50.927575] bpf_prog_alloc+0x39/0x200 [ 50.928455] ? __pfx_seccomp_check_filter+0x10/0x10 [ 50.929437] bpf_prog_create_from_user+0xb2/0x2f0 [ 50.930453] do_seccomp+0x349/0x25e0 [ 50.931312] ? __pfx_css_rstat_updated+0x10/0x10 [ 50.932304] ? __pfx_do_seccomp+0x10/0x10 [ 50.933203] ? find_held_lock+0x2b/0x80 [ 50.934089] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 50.935229] ? static_key_count+0x60/0x80 [ 50.936107] prctl_set_seccomp+0x4e/0x70 [ 50.936988] __do_sys_prctl+0xe6c/0x1d70 [ 50.937840] ? __pfx___do_sys_prctl+0x10/0x10 [ 50.938820] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 50.939892] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 50.941007] ? irqentry_exit+0xf3/0x650 [ 50.941827] do_syscall_64+0xbf/0x430 [ 50.942591] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 50.943713] RIP: 0033:0x7fd3f85385cd [ 50.944428] 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 [ 50.947973] RSP: 002b:00007fffc4fc76c0 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 50.949542] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007fd3f85385cd [ 50.951020] RDX: 00005619065f8e00 RSI: 0000000000000002 RDI: 0000000000000016 [ 50.952528] RBP: 00007fffc4fc7720 R08: 0000000000000000 R09: 00007fffc4fc6dc0 [ 50.954020] R10: 0000000000000000 R11: 0000000000000246 R12: 000056193d5aabf0 [ 50.955398] R13: 00007fffc4fc7b50 R14: 000056193d5b4380 R15: 000056193d5bf460 [ 50.956747] [ 50.957196] irq event stamp: 1903 [ 50.957906] hardirqs last enabled at (1913): [] __up_console_sem+0x78/0x80 [ 50.959755] hardirqs last disabled at (1922): [] __up_console_sem+0x5d/0x80 [ 50.961326] softirqs last enabled at (1780): [] handle_softirqs+0x50c/0x770 [ 50.963015] softirqs last disabled at (1775): [] __irq_exit_rcu+0xc4/0x100 [ 50.964553] ---[ end trace 0000000000000000 ]--- Warning: Permanently added '[localhost]:13150' (ECDSA) to the list of known hosts. 2025/11/19 06:48:32 fuzzer started 2025/11/19 06:48:32 dialing manager at localhost:34383 2025/11/19 06:48:32 checking machine... 2025/11/19 06:48:32 checking revisions... [ 51.938550] kmemleak: Automatic memory scanning thread ended 2025/11/19 06:48:33 testing simple program... [ 52.035179] cgroup: Unknown subsys name 'net' [ 52.093231] cgroup: Unknown subsys name 'cpuset' [ 52.112802] cgroup: Unknown subsys name 'rlimit' executing program executing program VM DIAGNOSIS: 06:48:31 Registers: info registers vcpu 0 RAX=0000000000000000 RBX=ffff88801c483480 RCX=ffffffff81c09579 RDX=ffff888015e39bc0 RSI=ffffffff8229a07f RDI=ffff88801c483480 RBP=0000000000000000 RSP=ffff888018acfb90 R8 =0000000000000001 R9 =0000000000000001 R10=0000000000000000 R11=0000000000000001 R12=ffff88801c483630 R13=ffff88801c483620 R14=ffff88801c483608 R15=ffff88801c483500 RIP=ffffffff81751e08 RFL=00000293 [--S-A-C] 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 00007f5c828de900 00000000 00000000 GS =0000 ffff8880e538f000 00000000 00000000 LDT=0000 fffffe3300000000 00000000 00000000 TR =0040 fffffe0000003000 00004087 00008b00 DPL=0 TSS64-busy GDT= fffffe0000001000 0000007f IDT= fffffe0000000000 00000fff CR0=80050033 CR2=00007fff80a48000 CR3=00000000202f2000 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=635f6e6f69737365733a4d41503d706f XMM01=6f6c5f6d61702c78756e696c65735f6d XMM02=61702c74696d7265705f6d61702c7469 XMM03=655f6d61702c7374696d696c5f6d6170 XMM04=3d6c616e696d72657420322e322e302e XMM05=3d656d616e74736f682022646873732f XMM06=746f6f72223d746363612078756e696c XMM07=6e655f6d61702c7374696d696c5f6d61 XMM08=652075253d64692073253d706f000000 XMM09=00000000000000000000000000000000 XMM10=00000000000000000000000000000000 XMM11=00000000000000000000000000000000 XMM12=00000000000000000000000000000000 XMM13=00000000000000000000000000000000 XMM14=00000000000000000000000000000000 XMM15=00000000000000000000000000000000 info registers vcpu 1 RAX=0000000000000001 RBX=0000000000000246 RCX=ffffffff817d9966 RDX=0000000000000000 RSI=0000000000000002 RDI=ffff888009613780 RBP=ffff888009613780 RSP=ffff888009637ba8 R8 =0000000000000000 R9 =0000000000000001 R10=ffffffff8664f857 R11=0000000000000001 R12=ffffffff85e2b980 R13=ffffffff85e2ba34 R14=ffffffff87aa9140 R15=dffffc0000000000 RIP=ffffffff81526d0d 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 0000000000000000 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=00007ffd1ecfeea8 CR3=000000000dca3000 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=1f4bc88321e6bd5800000000000ae988 XMM05=d951511deea8a56a0000000000320438 XMM06=65122b1c3f080f2f000000000031f170 XMM07=00000000000000000000000000000000 XMM08=415453454d49545f454d49544c414552 XMM09=00000000000000000000000000000000 XMM10=20200000000020202020202020200000 XMM11=00000000000000000000000000000000 XMM12=00000000000000000000000000000000 XMM13=00000000000000000000000000000000 XMM14=00000000000000000000000000000000 XMM15=00000000000000000000000000000000