Debian GNU/Linux 11 syzkaller ttyS0 syzkaller login: [ 38.989451] ------------[ cut here ]------------ [ 38.990378] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 38.992366] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#0: sshd/232 [ 38.993855] Modules linked in: [ 38.994720] CPU: 0 UID: 104 PID: 232 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251118 #1 PREEMPT(voluntary) [ 38.997095] Tainted: [W]=WARN [ 38.997656] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 38.999149] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 39.000021] 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 [ 39.003248] RSP: 0018:ffff888019c4fbc0 EFLAGS: 00010286 [ 39.004233] RAX: 0000000000000000 RBX: ffffed1003389f78 RCX: ffffffff813a4050 [ 39.005531] RDX: ffff888009fa9bc0 RSI: ffffffff813a405e RDI: 0000000000000001 [ 39.006805] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed1003389f2f [ 39.008089] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 39.009392] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff888019c4fdf8 [ 39.010679] FS: 00007f47878f0900(0000) GS:ffff8880e538f000(0000) knlGS:0000000000000000 [ 39.012130] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 39.013197] CR2: 00007ffd3e487ef8 CR3: 000000000cd29000 CR4: 0000000000350ef0 [ 39.014482] Call Trace: [ 39.014946] [ 39.015396] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 39.016311] ? __create_object+0x59/0x80 [ 39.017107] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 39.018033] __vmalloc_noprof+0x59/0x60 [ 39.018802] bpf_prog_alloc_no_stats+0x55/0x470 [ 39.019684] ? __pfx_seccomp_check_filter+0x10/0x10 [ 39.020618] bpf_prog_alloc+0x39/0x200 [ 39.021369] ? __pfx_seccomp_check_filter+0x10/0x10 [ 39.022312] bpf_prog_create_from_user+0xb2/0x2f0 [ 39.023388] do_seccomp+0x349/0x25e0 [ 39.024114] ? find_held_lock+0x2b/0x80 [ 39.024840] ? do_prlimit+0x310/0x610 [ 39.025586] ? __pfx_do_seccomp+0x10/0x10 [ 39.026386] ? do_raw_spin_unlock+0x53/0x220 [ 39.027229] ? _raw_spin_unlock+0x1e/0x40 [ 39.027966] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 39.028956] ? static_key_count+0x60/0x80 [ 39.029752] prctl_set_seccomp+0x4e/0x70 [ 39.030538] __do_sys_prctl+0xe6c/0x1d70 [ 39.031327] ? __pfx___do_sys_prctl+0x10/0x10 [ 39.032180] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 39.033168] ? irqentry_exit+0xf3/0x650 [ 39.033889] do_syscall_64+0xbf/0x430 [ 39.034642] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 39.035590] RIP: 0033:0x7f4787de25cd [ 39.036307] 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 [ 39.039499] RSP: 002b:00007ffd3e486d40 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 39.040887] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f4787de25cd [ 39.042174] RDX: 000055e757fa9e00 RSI: 0000000000000002 RDI: 0000000000000016 [ 39.043453] RBP: 00007ffd3e486da0 R08: 0000000000000000 R09: 00007ffd3e486440 [ 39.044738] R10: 0000000000000000 R11: 0000000000000246 R12: 000055e77ac71ad0 [ 39.045969] R13: 00007ffd3e4871d0 R14: 000055e77ac72bc0 R15: 000055e77ac83780 [ 39.047077] [ 39.047440] irq event stamp: 1903 [ 39.047951] hardirqs last enabled at (1911): [] __up_console_sem+0x78/0x80 [ 39.049243] hardirqs last disabled at (1920): [] __up_console_sem+0x5d/0x80 [ 39.050525] softirqs last enabled at (1816): [] handle_softirqs+0x50c/0x770 [ 39.051831] softirqs last disabled at (1811): [] __irq_exit_rcu+0xc4/0x100 [ 39.053117] ---[ end trace 0000000000000000 ]--- [ 42.306349] ------------[ cut here ]------------ [ 42.307410] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 42.309633] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#1: sshd/240 [ 42.311255] Modules linked in: [ 42.311930] CPU: 1 UID: 104 PID: 240 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251118 #1 PREEMPT(voluntary) [ 42.314093] Tainted: [W]=WARN [ 42.314693] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 42.316274] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 42.317299] 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 [ 42.320707] RSP: 0018:ffff888013ec7bc0 EFLAGS: 00010286 [ 42.321784] RAX: 0000000000000000 RBX: ffffed10027d8f78 RCX: ffffffff813a4050 [ 42.323191] RDX: ffff88801bf59bc0 RSI: ffffffff813a405e RDI: 0000000000000001 [ 42.324633] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed10027d8f2f [ 42.326081] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 42.327511] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff888013ec7df8 [ 42.328922] FS: 00007f4cdea6a900(0000) GS:ffff8880e548f000(0000) knlGS:0000000000000000 [ 42.330506] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 42.331652] CR2: 00007fffc6cdcef8 CR3: 00000000076a4000 CR4: 0000000000350ef0 [ 42.333154] Call Trace: [ 42.333640] [ 42.334102] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 42.334945] ? __create_object+0x59/0x80 [ 42.335735] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 42.336704] __vmalloc_noprof+0x59/0x60 [ 42.337477] bpf_prog_alloc_no_stats+0x55/0x470 [ 42.338344] ? __pfx_seccomp_check_filter+0x10/0x10 [ 42.339263] bpf_prog_alloc+0x39/0x200 [ 42.339958] ? __pfx_seccomp_check_filter+0x10/0x10 [ 42.340882] bpf_prog_create_from_user+0xb2/0x2f0 [ 42.341784] do_seccomp+0x349/0x25e0 [ 42.342486] ? find_held_lock+0x2b/0x80 [ 42.343229] ? do_prlimit+0x310/0x610 [ 42.343923] ? __pfx_do_seccomp+0x10/0x10 [ 42.344696] ? do_raw_spin_unlock+0x53/0x220 [ 42.345525] ? _raw_spin_unlock+0x1e/0x40 [ 42.346304] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 42.347465] ? static_key_count+0x60/0x80 [ 42.348482] prctl_set_seccomp+0x4e/0x70 [ 42.349317] __do_sys_prctl+0xe6c/0x1d70 [ 42.350099] ? __pfx___do_sys_prctl+0x10/0x10 [ 42.350897] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 42.351858] ? irqentry_exit+0xf3/0x650 [ 42.352615] do_syscall_64+0xbf/0x430 [ 42.353365] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 42.354303] RIP: 0033:0x7f4cdef5c5cd [ 42.354956] 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 [ 42.358400] RSP: 002b:00007fffc6cdb380 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 42.359607] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f4cdef5c5cd [ 42.360730] RDX: 000055b69907ce00 RSI: 0000000000000002 RDI: 0000000000000016 [ 42.361874] RBP: 00007fffc6cdb3e0 R08: 0000000000000000 R09: 00007fffc6cdaa80 [ 42.363008] R10: 0000000000000000 R11: 0000000000000246 R12: 000055b6a8f80ad0 [ 42.364143] R13: 00007fffc6cdb810 R14: 000055b6a8f81bc0 R15: 000055b6a8f92780 [ 42.365291] [ 42.365666] irq event stamp: 1781 [ 42.366226] hardirqs last enabled at (1791): [] __up_console_sem+0x78/0x80 [ 42.367591] hardirqs last disabled at (1800): [] __up_console_sem+0x5d/0x80 [ 42.368952] softirqs last enabled at (1608): [] handle_softirqs+0x50c/0x770 [ 42.370320] softirqs last disabled at (1603): [] __irq_exit_rcu+0xc4/0x100 [ 42.371644] ---[ end trace 0000000000000000 ]--- [ 43.247902] ------------[ cut here ]------------ [ 43.248891] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 43.250905] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#1: sshd/248 [ 43.252371] Modules linked in: [ 43.252987] CPU: 1 UID: 104 PID: 248 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251118 #1 PREEMPT(voluntary) [ 43.254956] Tainted: [W]=WARN [ 43.255557] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 43.257038] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 43.257952] 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 [ 43.261145] RSP: 0018:ffff888015c27bc0 EFLAGS: 00010286 [ 43.262118] RAX: 0000000000000000 RBX: ffffed1002b84f78 RCX: ffffffff813a4050 [ 43.263401] RDX: ffff88800f359bc0 RSI: ffffffff813a405e RDI: 0000000000000001 [ 43.264694] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed1002b84f2f [ 43.265987] R10: 0000000000000000 R11: 0000000000000001 R12: 0000000000400dc0 [ 43.267265] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff888015c27df8 [ 43.268557] FS: 00007f64e304c900(0000) GS:ffff8880e548f000(0000) knlGS:0000000000000000 [ 43.270022] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 43.271100] CR2: 00007ffc481f3ef8 CR3: 000000000e698000 CR4: 0000000000350ef0 [ 43.272379] Call Trace: [ 43.272853] [ 43.273302] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 43.274191] ? __create_object+0x59/0x80 [ 43.274920] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 43.275884] __vmalloc_noprof+0x59/0x60 [ 43.276646] bpf_prog_alloc_no_stats+0x55/0x470 [ 43.277531] ? __pfx_seccomp_check_filter+0x10/0x10 [ 43.278455] bpf_prog_alloc+0x39/0x200 [ 43.279183] ? __pfx_seccomp_check_filter+0x10/0x10 [ 43.280090] bpf_prog_create_from_user+0xb2/0x2f0 [ 43.280947] do_seccomp+0x349/0x25e0 [ 43.281671] ? find_held_lock+0x2b/0x80 [ 43.282433] ? do_prlimit+0x310/0x610 [ 43.283180] ? __pfx_do_seccomp+0x10/0x10 [ 43.283922] ? do_raw_spin_unlock+0x53/0x220 [ 43.284747] ? _raw_spin_unlock+0x1e/0x40 [ 43.285537] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 43.286526] ? static_key_count+0x60/0x80 [ 43.287356] prctl_set_seccomp+0x4e/0x70 [ 43.288145] __do_sys_prctl+0xe6c/0x1d70 [ 43.288898] ? __pfx___do_sys_prctl+0x10/0x10 [ 43.289774] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 43.290767] ? irqentry_exit+0xf3/0x650 [ 43.291540] do_syscall_64+0xbf/0x430 [ 43.292290] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 43.293259] RIP: 0033:0x7f64e353e5cd [ 43.293914] 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 [ 43.297133] RSP: 002b:00007ffc481f1300 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 43.298496] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f64e353e5cd [ 43.299797] RDX: 000055d4ddb36e00 RSI: 0000000000000002 RDI: 0000000000000016 [ 43.301122] RBP: 00007ffc481f1360 R08: 0000000000000000 R09: 00007ffc481f0a00 [ 43.302411] R10: 0000000000000000 R11: 0000000000000246 R12: 000055d50f9a8ad0 [ 43.303705] R13: 00007ffc481f1790 R14: 000055d50f9a9bc0 R15: 000055d50f9ba780 [ 43.305069] [ 43.305509] irq event stamp: 1769 [ 43.306174] hardirqs last enabled at (1779): [] __up_console_sem+0x78/0x80 [ 43.307711] hardirqs last disabled at (1788): [] __up_console_sem+0x5d/0x80 [ 43.309253] softirqs last enabled at (1726): [] handle_softirqs+0x50c/0x770 [ 43.310806] softirqs last disabled at (1721): [] __irq_exit_rcu+0xc4/0x100 [ 43.312321] ---[ end trace 0000000000000000 ]--- Warning: Permanently added '[localhost]:10310' (ECDSA) to the list of known hosts. 2025/11/18 12:26:36 fuzzer started 2025/11/18 12:26:37 dialing manager at localhost:34383 2025/11/18 12:26:37 checking machine... 2025/11/18 12:26:37 checking revisions... [ 44.258603] kmemleak: Automatic memory scanning thread ended 2025/11/18 12:26:37 testing simple program... [ 44.353685] cgroup: Unknown subsys name 'net' [ 44.424037] cgroup: Unknown subsys name 'cpuset' [ 44.441897] cgroup: Unknown subsys name 'rlimit' executing program executing program VM DIAGNOSIS: 12:26:36 Registers: info registers vcpu 0 RAX=ffffffff86d76065 RBX=0000000000000001 RCX=ffffffff86d76064 RDX=0000000000000000 RSI=0000000000000000 RDI=1ffffffff0daec0c RBP=ffff888013d375d8 RSP=ffff888013d37510 R8 =ffffffff86d76068 R9 =0000000000000000 R10=000000000003c9ed R11=000000000009a526 R12=ffff888013d375e0 R13=ffff888013d375c8 R14=ffff888013d37b28 R15=ffff888013d37580 RIP=ffffffff8135e93c RFL=00000217 [----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 00007f4135038900 00000000 00000000 GS =0000 ffff8880e538f000 00000000 00000000 LDT=0000 fffffe5a00000000 00000000 00000000 TR =0040 fffffe0000003000 00004087 00008b00 DPL=0 TSS64-busy GDT= fffffe0000001000 0000007f IDT= fffffe0000000000 00000fff CR0=80050033 CR2=00007fffabd46888 CR3=000000000d764000 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=021b82c7c8aba1b3b942f64c37cc3186 XMM02=ec2efd57dc4c00df00000000003049d0 XMM03=3bf35f8d9e031bc00000000000304aa0 XMM04=eae7873fd1c61efa00000000000ae988 XMM05=6d55f17a964fd05900000000003229c0 XMM06=07c8bb74b6c04a440000000000321558 XMM07=fb795ef6d65770560000000000311250 XMM08=2c67c8bc2e329bc30000000000304a40 XMM09=00000000000000000000000000000000 XMM10=20200000000020202020202020200000 XMM11=00000000000000000000000000000000 XMM12=00000000000000000000000000000000 XMM13=00000000000000000000000000000000 XMM14=00000000000000000000000000000000 XMM15=00000000000000000000000000000000 info registers vcpu 1 RAX=ffffffff81ab2043 RBX=0000000000000001 RCX=ffff888013fbf79c RDX=ffff888013fbf890 RSI=ffffffff81ab2043 RDI=ffff888013fbf848 RBP=ffff888013fbf8a0 RSP=ffff888013fbf7d8 R8 =0000000000000001 R9 =ffff888013fbf888 R10=000000000003c9ed R11=0000000000026756 R12=0000000000000000 R13=ffff888013fbf890 R14=ffff8880199dd340 R15=ffff888013fbf848 RIP=ffffffff8135e474 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 =0018 0000000000000000 ffffffff 00c09300 DPL=0 DS [-WA] DS =0000 0000000000000000 00000000 00000000 FS =0000 00007f4cdea6a900 00000000 00000000 GS =0000 ffff8880e548f000 00000000 00000000 LDT=0000 fffffe4900000000 00000000 00000000 TR =0040 fffffe000004a000 00004087 00008b00 DPL=0 TSS64-busy GDT= fffffe0000048000 0000007f IDT= fffffe0000000000 00000fff CR0=80050033 CR2=00007fffc6cd5000 CR3=000000000771c000 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