Debian GNU/Linux 11 syzkaller ttyS0 syzkaller login: [ 39.382938] ------------[ cut here ]------------ [ 39.383880] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 39.385874] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#0: sshd/232 [ 39.387332] Modules linked in: [ 39.388181] CPU: 0 UID: 104 PID: 232 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251118 #1 PREEMPT(voluntary) [ 39.390589] Tainted: [W]=WARN [ 39.391204] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 39.392650] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 39.393524] 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 [ 39.396710] RSP: 0018:ffff88801585fbc0 EFLAGS: 00010286 [ 39.397684] RAX: 0000000000000000 RBX: ffffed1002b0bf78 RCX: ffffffff813a4050 [ 39.398945] RDX: ffff88801b593780 RSI: ffffffff813a405e RDI: 0000000000000001 [ 39.400225] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed1002b0bf2f [ 39.401504] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 39.402748] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff88801585fdf8 [ 39.403989] FS: 00007f5cb53c8900(0000) GS:ffff8880e538f000(0000) knlGS:0000000000000000 [ 39.405401] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 39.406438] CR2: 00007ffd93dd4ef8 CR3: 000000001b8a0000 CR4: 0000000000350ef0 [ 39.407681] Call Trace: [ 39.408131] [ 39.408530] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 39.409413] ? __create_object+0x59/0x80 [ 39.410171] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 39.411105] __vmalloc_noprof+0x59/0x60 [ 39.411837] bpf_prog_alloc_no_stats+0x55/0x470 [ 39.412689] ? __pfx_seccomp_check_filter+0x10/0x10 [ 39.413548] bpf_prog_alloc+0x39/0x200 [ 39.414261] ? __pfx_seccomp_check_filter+0x10/0x10 [ 39.415163] bpf_prog_create_from_user+0xb2/0x2f0 [ 39.416041] do_seccomp+0x349/0x25e0 [ 39.416750] ? find_held_lock+0x2b/0x80 [ 39.417446] ? do_prlimit+0x310/0x610 [ 39.418174] ? __pfx_do_seccomp+0x10/0x10 [ 39.418937] ? do_raw_spin_unlock+0x53/0x220 [ 39.419745] ? _raw_spin_unlock+0x1e/0x40 [ 39.420467] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 39.421413] ? static_key_count+0x60/0x80 [ 39.422196] prctl_set_seccomp+0x4e/0x70 [ 39.422945] __do_sys_prctl+0xe6c/0x1d70 [ 39.423700] ? __pfx___do_sys_prctl+0x10/0x10 [ 39.424489] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 39.425439] ? irqentry_exit+0xf3/0x650 [ 39.426185] do_syscall_64+0xbf/0x430 [ 39.426903] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 39.427829] RIP: 0033:0x7f5cb58ba5cd [ 39.428473] 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 [ 39.431565] RSP: 002b:00007ffd93dd2390 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 39.432931] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f5cb58ba5cd [ 39.434172] RDX: 00005602dc43ae00 RSI: 0000000000000002 RDI: 0000000000000016 [ 39.435415] RBP: 00007ffd93dd23f0 R08: 0000000000000000 R09: 00007ffd93dd1a90 [ 39.436676] R10: 0000000000000000 R11: 0000000000000246 R12: 00005602fab702b0 [ 39.437972] R13: 00007ffd93dd2820 R14: 00005602fab72d20 R15: 00005602fab848d0 [ 39.439261] [ 39.439704] irq event stamp: 1929 [ 39.440300] hardirqs last enabled at (1937): [] __up_console_sem+0x78/0x80 [ 39.441808] hardirqs last disabled at (1946): [] __up_console_sem+0x5d/0x80 [ 39.443354] softirqs last enabled at (1906): [] handle_softirqs+0x50c/0x770 [ 39.444917] softirqs last disabled at (1901): [] __irq_exit_rcu+0xc4/0x100 [ 39.446415] ---[ end trace 0000000000000000 ]--- [ 43.191562] ------------[ cut here ]------------ [ 43.192487] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 43.194461] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#0: sshd/243 [ 43.195873] Modules linked in: [ 43.196450] CPU: 0 UID: 104 PID: 243 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251118 #1 PREEMPT(voluntary) [ 43.198427] Tainted: [W]=WARN [ 43.199015] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 43.200472] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 43.201393] 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 [ 43.204529] RSP: 0018:ffff88801b6b7bc0 EFLAGS: 00010286 [ 43.205498] RAX: 0000000000000000 RBX: ffffed10036d6f78 RCX: ffffffff813a4050 [ 43.206772] RDX: ffff88800f6d9bc0 RSI: ffffffff813a405e RDI: 0000000000000001 [ 43.208058] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed10036d6f2f [ 43.209333] R10: 0000000000000000 R11: 0000000000000001 R12: 0000000000400dc0 [ 43.210591] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff88801b6b7df8 [ 43.211870] FS: 00007f2b09227900(0000) GS:ffff8880e538f000(0000) knlGS:0000000000000000 [ 43.213298] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 43.214333] CR2: 00007ffe00ea9ef8 CR3: 000000000b6de000 CR4: 0000000000350ef0 [ 43.215595] Call Trace: [ 43.216082] [ 43.216486] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 43.217429] ? __create_object+0x59/0x80 [ 43.218212] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 43.219175] __vmalloc_noprof+0x59/0x60 [ 43.219910] bpf_prog_alloc_no_stats+0x55/0x470 [ 43.220801] ? __pfx_seccomp_check_filter+0x10/0x10 [ 43.221738] bpf_prog_alloc+0x39/0x200 [ 43.222435] ? __pfx_seccomp_check_filter+0x10/0x10 [ 43.223365] bpf_prog_create_from_user+0xb2/0x2f0 [ 43.224272] do_seccomp+0x349/0x25e0 [ 43.225010] ? find_held_lock+0x2b/0x80 [ 43.225781] ? do_prlimit+0x310/0x610 [ 43.226477] ? __pfx_do_seccomp+0x10/0x10 [ 43.227269] ? do_raw_spin_unlock+0x53/0x220 [ 43.228112] ? _raw_spin_unlock+0x1e/0x40 [ 43.228907] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 43.229884] ? static_key_count+0x60/0x80 [ 43.230678] prctl_set_seccomp+0x4e/0x70 [ 43.231416] __do_sys_prctl+0xe6c/0x1d70 [ 43.232186] ? __pfx___do_sys_prctl+0x10/0x10 [ 43.233052] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 43.234020] ? irqentry_exit+0xf3/0x650 [ 43.234770] do_syscall_64+0xbf/0x430 [ 43.235463] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 43.236418] RIP: 0033:0x7f2b097195cd [ 43.237115] 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 [ 43.239965] RSP: 002b:00007ffe00ea86d0 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 43.241198] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f2b097195cd [ 43.242352] RDX: 0000559b1721ae00 RSI: 0000000000000002 RDI: 0000000000000016 [ 43.243506] RBP: 00007ffe00ea8730 R08: 0000000000000000 R09: 00007ffe00ea7dd0 [ 43.244673] R10: 0000000000000000 R11: 0000000000000246 R12: 0000559b2c7c7ad0 [ 43.245821] R13: 00007ffe00ea8b60 R14: 0000559b2c7c8bc0 R15: 0000559b2c7d9780 [ 43.246998] [ 43.247379] irq event stamp: 1669 [ 43.247963] hardirqs last enabled at (1687): [] __up_console_sem+0x78/0x80 [ 43.249334] hardirqs last disabled at (1696): [] __up_console_sem+0x5d/0x80 [ 43.250696] softirqs last enabled at (1684): [] handle_softirqs+0x50c/0x770 [ 43.252082] softirqs last disabled at (1677): [] __irq_exit_rcu+0xc4/0x100 [ 43.253442] ---[ end trace 0000000000000000 ]--- [ 44.071855] ------------[ cut here ]------------ [ 44.072824] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 44.074881] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#1: sshd/250 [ 44.076391] Modules linked in: [ 44.077048] CPU: 1 UID: 104 PID: 250 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251118 #1 PREEMPT(voluntary) [ 44.079047] Tainted: [W]=WARN [ 44.079631] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 44.081130] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 44.082049] 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 [ 44.085243] RSP: 0018:ffff888016a3fbc0 EFLAGS: 00010286 [ 44.086216] RAX: 0000000000000000 RBX: ffffed1002d47f78 RCX: ffffffff813a4050 [ 44.087522] RDX: ffff888016bb8000 RSI: ffffffff813a405e RDI: 0000000000000001 [ 44.088827] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed1002d47f2f [ 44.090113] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 44.091408] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff888016a3fdf8 [ 44.092705] FS: 00007fa53b95c900(0000) GS:ffff8880e548f000(0000) knlGS:0000000000000000 [ 44.094130] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 44.095215] CR2: 00007fff07a4eef8 CR3: 00000000158a4000 CR4: 0000000000350ef0 [ 44.096513] Call Trace: [ 44.097026] [ 44.097442] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 44.098332] ? __create_object+0x59/0x80 [ 44.099155] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 44.100129] __vmalloc_noprof+0x59/0x60 [ 44.100900] bpf_prog_alloc_no_stats+0x55/0x470 [ 44.101769] ? __pfx_seccomp_check_filter+0x10/0x10 [ 44.102721] bpf_prog_alloc+0x39/0x200 [ 44.103431] ? __pfx_seccomp_check_filter+0x10/0x10 [ 44.104373] bpf_prog_create_from_user+0xb2/0x2f0 [ 44.105309] do_seccomp+0x349/0x25e0 [ 44.106028] ? find_held_lock+0x2b/0x80 [ 44.106824] ? do_prlimit+0x310/0x610 [ 44.107530] ? __pfx_do_seccomp+0x10/0x10 [ 44.108329] ? do_raw_spin_unlock+0x53/0x220 [ 44.109181] ? _raw_spin_unlock+0x1e/0x40 [ 44.109972] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 44.110960] ? static_key_count+0x60/0x80 [ 44.111769] prctl_set_seccomp+0x4e/0x70 [ 44.112500] __do_sys_prctl+0xe6c/0x1d70 [ 44.113300] ? __pfx___do_sys_prctl+0x10/0x10 [ 44.114160] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 44.115161] ? irqentry_exit+0xf3/0x650 [ 44.115975] do_syscall_64+0xbf/0x430 [ 44.116857] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 44.117809] RIP: 0033:0x7fa53be4e5cd [ 44.118459] 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 [ 44.121675] RSP: 002b:00007fff07a4dae0 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 44.123071] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007fa53be4e5cd [ 44.124359] RDX: 000055cb13755e00 RSI: 0000000000000002 RDI: 0000000000000016 [ 44.125667] RBP: 00007fff07a4db40 R08: 0000000000000000 R09: 00007fff07a4d1e0 [ 44.127009] R10: 0000000000000000 R11: 0000000000000246 R12: 000055cb472c7ad0 [ 44.128337] R13: 00007fff07a4df70 R14: 000055cb472c8bc0 R15: 000055cb472d9780 [ 44.129691] [ 44.130108] irq event stamp: 1745 [ 44.130775] hardirqs last enabled at (1755): [] __up_console_sem+0x78/0x80 [ 44.132302] hardirqs last disabled at (1764): [] __up_console_sem+0x5d/0x80 [ 44.133844] softirqs last enabled at (1684): [] handle_softirqs+0x50c/0x770 [ 44.135414] softirqs last disabled at (1679): [] __irq_exit_rcu+0xc4/0x100 [ 44.136942] ---[ end trace 0000000000000000 ]--- Warning: Permanently added '[localhost]:18781' (ECDSA) to the list of known hosts. 2025/11/18 17:32:05 fuzzer started 2025/11/18 17:32:05 dialing manager at localhost:34383 2025/11/18 17:32:05 checking machine... 2025/11/18 17:32:05 checking revisions... [ 44.993130] kmemleak: Automatic memory scanning thread ended 2025/11/18 17:32:05 testing simple program... [ 45.072860] cgroup: Unknown subsys name 'net' [ 45.136425] cgroup: Unknown subsys name 'cpuset' [ 45.150001] cgroup: Unknown subsys name 'rlimit' executing program executing program executing program VM DIAGNOSIS: 17:32:05 Registers: info registers vcpu 0 RAX=0000000000000000 RBX=0000000000000001 RCX=0000000000000001 RDX=0000000000000000 RSI=ffffffff86464c48 RDI=ffff888015442618 RBP=ffffffff86464c48 RSP=ffff88801602f530 R8 =00000000ffffffff R9 =0000000000000000 R10=0000000000000001 R11=0000000000000001 R12=ffff888015441bc0 R13=ffff888015442618 R14=00000000ffffffff R15=ffff888015442618 RIP=ffffffff84c720e5 RFL=00000093 [--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 00007f2b09227900 00000000 00000000 GS =0000 ffff8880e538f000 00000000 00000000 LDT=0000 fffffe1600000000 00000000 00000000 TR =0040 fffffe0000003000 00004087 00008b00 DPL=0 TSS64-busy GDT= fffffe0000001000 0000007f IDT= fffffe0000000000 00000fff CR0=80050033 CR2=00007ffe00ea2000 CR3=000000000c80a000 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 info registers vcpu 1 RAX=0000000080010001 RBX=1ffff1100d9e11b2 RCX=ffffffff8166d719 RDX=ffff888009643780 RSI=00000000ffffffff RDI=0000000000000005 RBP=ffff88806cf28e58 RSP=ffff88806cf08d70 R8 =0000000000000001 R9 =0000000000000000 R10=0000000000000001 R11=0000000000000001 R12=0000000a307b416e R13=ffff8880096efda8 R14=0000000000000001 R15=0000000000000001 RIP=ffffffff81751e04 RFL=00000013 [----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 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=00007f6b77743000 CR3=000000000d929000 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=e9d1f092b172b8a1ef43a18011c2a65f XMM02=2c67c8bc2e329bc30000000000302de0 XMM03=fb795ef6d6577056000000000030f078 XMM04=84f62bf291c267de00000000000ae988 XMM05=090f1556b20111b30000000000320340 XMM06=836f73144a5f009c0000000000319b00 XMM07=e042d86d42eb936e000000000030f350 XMM08=0c7df7ec674e80820000000000302e40 XMM09=00000000000000000000000000000000 XMM10=20200000000020202020202020200000 XMM11=00000000000000000000000000000000 XMM12=00000000000000000000000000000000 XMM13=00000000000000000000000000000000 XMM14=00000000000000000000000000000000 XMM15=00000000000000000000000000000000