Debian GNU/Linux 11 syzkaller ttyS0 syzkaller login: [ 39.165751] ------------[ cut here ]------------ [ 39.166687] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 39.168710] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#1: sshd/233 [ 39.170189] Modules linked in: [ 39.170780] CPU: 1 UID: 104 PID: 233 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251118 #1 PREEMPT(voluntary) [ 39.172774] Tainted: [W]=WARN [ 39.173368] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 39.174876] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 39.176027] 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 [ 39.179291] RSP: 0018:ffff88800f2b7bc0 EFLAGS: 00010286 [ 39.180266] RAX: 0000000000000000 RBX: ffffed1001e56f78 RCX: ffffffff813a4050 [ 39.181543] RDX: ffff88800e381bc0 RSI: ffffffff813a405e RDI: 0000000000000001 [ 39.182821] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed1001e56f2f [ 39.184107] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 39.185387] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff88800f2b7df8 [ 39.186704] FS: 00007f562d57a900(0000) GS:ffff8880e548f000(0000) knlGS:0000000000000000 [ 39.188133] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 39.189228] CR2: 00007f562dae04a6 CR3: 000000000d849000 CR4: 0000000000350ef0 [ 39.190541] Call Trace: [ 39.191006] [ 39.191460] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 39.192363] ? __create_object+0x59/0x80 [ 39.193161] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 39.194141] __vmalloc_noprof+0x59/0x60 [ 39.194858] bpf_prog_alloc_no_stats+0x55/0x470 [ 39.195732] ? __pfx_seccomp_check_filter+0x10/0x10 [ 39.196661] bpf_prog_alloc+0x39/0x200 [ 39.197409] ? __pfx_seccomp_check_filter+0x10/0x10 [ 39.198365] bpf_prog_create_from_user+0xb2/0x2f0 [ 39.199279] do_seccomp+0x349/0x25e0 [ 39.199956] ? find_held_lock+0x2b/0x80 [ 39.200713] ? do_prlimit+0x310/0x610 [ 39.201459] ? __pfx_do_seccomp+0x10/0x10 [ 39.202267] ? do_raw_spin_unlock+0x53/0x220 [ 39.203052] ? _raw_spin_unlock+0x1e/0x40 [ 39.203845] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 39.204815] ? static_key_count+0x60/0x80 [ 39.205618] prctl_set_seccomp+0x4e/0x70 [ 39.206403] __do_sys_prctl+0xe6c/0x1d70 [ 39.207202] ? __pfx___do_sys_prctl+0x10/0x10 [ 39.208005] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 39.208966] ? irqentry_exit+0xf3/0x650 [ 39.209731] do_syscall_64+0xbf/0x430 [ 39.210491] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 39.211460] RIP: 0033:0x7f562da6c5cd [ 39.212155] 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 [ 39.215401] RSP: 002b:00007ffd550ee010 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 39.216760] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f562da6c5cd [ 39.218097] RDX: 000055f0f8548e00 RSI: 0000000000000002 RDI: 0000000000000016 [ 39.219373] RBP: 00007ffd550ee070 R08: 0000000000000000 R09: 00007ffd550ed710 [ 39.220655] R10: 0000000000000000 R11: 0000000000000246 R12: 000055f10ed95240 [ 39.221938] R13: 00007ffd550ee4a0 R14: 000055f10ed94bf0 R15: 000055f10eda94d0 [ 39.223239] [ 39.223665] irq event stamp: 1813 [ 39.224314] hardirqs last enabled at (1823): [] __up_console_sem+0x78/0x80 [ 39.225822] hardirqs last disabled at (1832): [] __up_console_sem+0x5d/0x80 [ 39.227339] softirqs last enabled at (1482): [] handle_softirqs+0x50c/0x770 [ 39.228867] softirqs last disabled at (1477): [] __irq_exit_rcu+0xc4/0x100 [ 39.230384] ---[ end trace 0000000000000000 ]--- [ 42.080448] ------------[ cut here ]------------ [ 42.081395] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 42.083396] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#1: sshd/241 [ 42.084821] Modules linked in: [ 42.085443] CPU: 1 UID: 104 PID: 241 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251118 #1 PREEMPT(voluntary) [ 42.087670] Tainted: [W]=WARN [ 42.088339] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 42.089814] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 42.090720] 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 [ 42.093888] RSP: 0018:ffff88801878fbc0 EFLAGS: 00010286 [ 42.094860] RAX: 0000000000000000 RBX: ffffed10030f1f78 RCX: ffffffff813a4050 [ 42.096137] RDX: ffff8880168fb780 RSI: ffffffff813a405e RDI: 0000000000000001 [ 42.097407] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed10030f1f2f [ 42.098690] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 42.099976] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff88801878fdf8 [ 42.101254] FS: 00007fddf7c1f900(0000) GS:ffff8880e548f000(0000) knlGS:0000000000000000 [ 42.102691] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 42.103730] CR2: 00007ffe1c21bef7 CR3: 0000000020a4a000 CR4: 0000000000350ef0 [ 42.105006] Call Trace: [ 42.105515] [ 42.105943] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 42.106833] ? __create_object+0x59/0x80 [ 42.107611] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 42.108572] __vmalloc_noprof+0x59/0x60 [ 42.109319] bpf_prog_alloc_no_stats+0x55/0x470 [ 42.110191] ? __pfx_seccomp_check_filter+0x10/0x10 [ 42.111068] bpf_prog_alloc+0x39/0x200 [ 42.111819] ? __pfx_seccomp_check_filter+0x10/0x10 [ 42.112730] bpf_prog_create_from_user+0xb2/0x2f0 [ 42.113617] do_seccomp+0x349/0x25e0 [ 42.114347] ? find_held_lock+0x2b/0x80 [ 42.115056] ? do_prlimit+0x310/0x610 [ 42.115915] ? __pfx_do_seccomp+0x10/0x10 [ 42.116914] ? do_raw_spin_unlock+0x53/0x220 [ 42.117794] ? _raw_spin_unlock+0x1e/0x40 [ 42.118638] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 42.119667] ? static_key_count+0x60/0x80 [ 42.120522] prctl_set_seccomp+0x4e/0x70 [ 42.121313] __do_sys_prctl+0xe6c/0x1d70 [ 42.122141] ? __pfx___do_sys_prctl+0x10/0x10 [ 42.122971] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 42.123997] ? irqentry_exit+0xf3/0x650 [ 42.124857] do_syscall_64+0xbf/0x430 [ 42.125626] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 42.126616] RIP: 0033:0x7fddf81115cd [ 42.127335] 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 [ 42.130581] RSP: 002b:00007ffe1c219ef0 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 42.131986] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007fddf81115cd [ 42.133373] RDX: 000056188b942e00 RSI: 0000000000000002 RDI: 0000000000000016 [ 42.134663] RBP: 00007ffe1c219f50 R08: 0000000000000000 R09: 00007ffe1c2195f0 [ 42.135772] R10: 0000000000000000 R11: 0000000000000246 R12: 00005618a7d342b0 [ 42.136860] R13: 00007ffe1c21a380 R14: 00005618a7d36d20 R15: 00005618a7d488d0 [ 42.137984] [ 42.138401] irq event stamp: 1793 [ 42.138908] hardirqs last enabled at (1801): [] __up_console_sem+0x78/0x80 [ 42.140199] hardirqs last disabled at (1810): [] __up_console_sem+0x5d/0x80 [ 42.141533] softirqs last enabled at (1750): [] handle_softirqs+0x50c/0x770 [ 42.142847] softirqs last disabled at (1745): [] __irq_exit_rcu+0xc4/0x100 [ 42.144130] ---[ end trace 0000000000000000 ]--- [ 42.780563] ------------[ cut here ]------------ [ 42.781328] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 42.783001] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#1: sshd/248 [ 42.784210] Modules linked in: [ 42.784696] CPU: 1 UID: 104 PID: 248 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251118 #1 PREEMPT(voluntary) [ 42.786349] Tainted: [W]=WARN [ 42.786825] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 42.788049] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 42.788807] 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 [ 42.791454] RSP: 0018:ffff888016eafbc0 EFLAGS: 00010286 [ 42.792265] RAX: 0000000000000000 RBX: ffffed1002dd5f78 RCX: ffffffff813a4050 [ 42.793332] RDX: ffff888015eed340 RSI: ffffffff813a405e RDI: 0000000000000001 [ 42.794392] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed1002dd5f2f [ 42.795454] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 42.796516] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff888016eafdf8 [ 42.797588] FS: 00007fa91a56d900(0000) GS:ffff8880e548f000(0000) knlGS:0000000000000000 [ 42.798796] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 42.799670] CR2: 00007ffd62b88ef7 CR3: 00000000208b1000 CR4: 0000000000350ef0 [ 42.800735] Call Trace: [ 42.801151] [ 42.801491] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 42.802249] ? __create_object+0x59/0x80 [ 42.802859] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 42.803663] __vmalloc_noprof+0x59/0x60 [ 42.804294] bpf_prog_alloc_no_stats+0x55/0x470 [ 42.804980] ? __pfx_seccomp_check_filter+0x10/0x10 [ 42.805751] bpf_prog_alloc+0x39/0x200 [ 42.806378] ? __pfx_seccomp_check_filter+0x10/0x10 [ 42.807150] bpf_prog_create_from_user+0xb2/0x2f0 [ 42.807858] do_seccomp+0x349/0x25e0 [ 42.808455] ? find_held_lock+0x2b/0x80 [ 42.809046] ? do_prlimit+0x310/0x610 [ 42.809661] ? __pfx_do_seccomp+0x10/0x10 [ 42.810325] ? do_raw_spin_unlock+0x53/0x220 [ 42.810973] ? _raw_spin_unlock+0x1e/0x40 [ 42.811621] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 42.812431] ? static_key_count+0x60/0x80 [ 42.813058] prctl_set_seccomp+0x4e/0x70 [ 42.813702] __do_sys_prctl+0xe6c/0x1d70 [ 42.814364] ? __pfx___do_sys_prctl+0x10/0x10 [ 42.815035] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 42.815842] ? irqentry_exit+0xf3/0x650 [ 42.816476] do_syscall_64+0xbf/0x430 [ 42.817060] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 42.817852] RIP: 0033:0x7fa91aa5f5cd [ 42.818439] 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 [ 42.821059] RSP: 002b:00007ffd62b87c20 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 42.822240] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007fa91aa5f5cd [ 42.823315] RDX: 000056229e0d2e00 RSI: 0000000000000002 RDI: 0000000000000016 [ 42.824385] RBP: 00007ffd62b87c80 R08: 0000000000000000 R09: 00007ffd62b87320 [ 42.825447] R10: 0000000000000000 R11: 0000000000000246 R12: 00005622d7e3bbf0 [ 42.826530] R13: 00007ffd62b880b0 R14: 00005622d7e45380 R15: 00005622d7e50460 [ 42.827604] [ 42.827957] irq event stamp: 1693 [ 42.828498] hardirqs last enabled at (1703): [] __up_console_sem+0x78/0x80 [ 42.829764] hardirqs last disabled at (1712): [] __up_console_sem+0x5d/0x80 [ 42.831030] softirqs last enabled at (1322): [] handle_softirqs+0x50c/0x770 [ 42.832336] softirqs last disabled at (1317): [] __irq_exit_rcu+0xc4/0x100 [ 42.833592] ---[ end trace 0000000000000000 ]--- Warning: Permanently added '[localhost]:60619' (ECDSA) to the list of known hosts. 2025/11/18 18:01:27 fuzzer started 2025/11/18 18:01:27 dialing manager at localhost:34383 2025/11/18 18:01:27 checking machine... 2025/11/18 18:01:27 checking revisions... [ 43.631039] kmemleak: Automatic memory scanning thread ended 2025/11/18 18:01:27 testing simple program... [ 43.715992] cgroup: Unknown subsys name 'net' [ 43.772611] cgroup: Unknown subsys name 'cpuset' [ 43.786572] cgroup: Unknown subsys name 'rlimit' executing program executing program executing program VM DIAGNOSIS: 18:01:26 Registers: info registers vcpu 0 RAX=000000000000000a RBX=0000563e42909a54 RCX=000000000000000a RDX=0000000000000004 RSI=0000000000000003 RDI=0000563e42909a59 RBP=0000563e42909a59 RSP=00007ffebd0ec5f8 R8 =0000563e23104a10 R9 =00007f89e2096000 R10=0000000000000000 R11=00007ffebd0ec6c0 R12=000000000000000a R13=00007ffebd0ec6d0 R14=00007ffebd0ec6c8 R15=0000000000000004 RIP=00007f89e1d6bc50 RFL=00000206 [-----P-] 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 00007f89e1441900 00000000 00000000 GS =0000 0000000000000000 00000000 00000000 LDT=0000 fffffe4400000000 00000000 00000000 TR =0040 fffffe0000003000 00004087 00008b00 DPL=0 TSS64-busy GDT= fffffe0000001000 0000007f IDT= fffffe0000000000 00000fff CR0=80050033 CR2=00007f89e0b57550 CR3=000000000dd29000 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=0000000070203a5d3034325b64687373 XMM01=000000000000273d67736d000d0a0920 XMM02=ffffffff0f0e0d0c0b0a090807060504 XMM03=0000000000302188ec2efd57dc4c00df XMM04=ab7a619d891767e100000000000ae988 XMM05=c920c8ab6276d175000000000031fb50 XMM06=f943619f21176b4d000000000031e8f0 XMM07=fb795ef6d6577056000000000030dfe0 XMM08=31303a383120383120766f4e3e36383c XMM09=00000000000000000000000000000000 XMM10=00000000000000000000000000000000 XMM11=00000000000000000000000000000000 XMM12=00000000000000000000000000000000 XMM13=00000000000000000000000000000000 XMM14=00000000000000000000000000000000 XMM15=00000000000000000000000000000000 info registers vcpu 1 RAX=ffff8880203cb000 RBX=0000000000000000 RCX=0000000000000000 RDX=000000000303b488 RSI=ffff8880203cb000 RDI=ffff888008c4b780 RBP=ffff888008c4b780 RSP=ffff888014147b78 R8 =ffff8880203cb000 R9 =0000000000000001 R10=ffff888014147bc8 R11=0000000000000001 R12=ffff8880203cb000 R13=0000000000092cc0 R14=ffff888008c4b780 R15=0000000000092cc0 RIP=ffffffff81b2e8e0 RFL=00000286 [--S--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 00007fddf7c1f900 00000000 00000000 GS =0000 ffff8880e548f000 00000000 00000000 LDT=0000 fffffe5100000000 00000000 00000000 TR =0040 fffffe000004a000 00004087 00008b00 DPL=0 TSS64-busy GDT= fffffe0000048000 0000007f IDT= fffffe0000000000 00000fff CR0=80050033 CR2=00007ffe1c214000 CR3=00000000209c7000 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=74696d7265705f6d61703d73726f746e XMM02=000000000000000000000000000000ff XMM03=5320444f4854454d5f54505952434e45 XMM04=40404040404040404040404040404040 XMM05=5a5a5a5a5a5a5a5a5a5a5a5a5a5a5a5a XMM06=20202020202020202020202020202020 XMM07=00000000000000000000000000000000 XMM08=61662029286e65706f5f746964756100 XMM09=00000000000000000000000000000000 XMM10=00000000000000000000000000000000 XMM11=00000000000000000000000000000000 XMM12=00000000000000000000000000000000 XMM13=00000000000000000000000000000000 XMM14=00000000000000000000000000000000 XMM15=00000000000000000000000000000000