Debian GNU/Linux 11 syzkaller ttyS0 syzkaller login: [ 46.564900] ------------[ cut here ]------------ [ 46.565864] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 46.567893] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#0: sshd/233 [ 46.569339] Modules linked in: [ 46.569962] CPU: 0 UID: 104 PID: 233 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251118 #1 PREEMPT(voluntary) [ 46.571976] Tainted: [W]=WARN [ 46.572585] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 46.574282] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 46.575278] 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 [ 46.578582] RSP: 0018:ffff8880161f7bc0 EFLAGS: 00010286 [ 46.579675] RAX: 0000000000000000 RBX: ffffed1002c3ef78 RCX: ffffffff813a4050 [ 46.581012] RDX: ffff888013ce9bc0 RSI: ffffffff813a405e RDI: 0000000000000001 [ 46.582359] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed1002c3ef2f [ 46.583749] R10: 0000000000000000 R11: 0000000000000001 R12: 0000000000400dc0 [ 46.585065] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff8880161f7df8 [ 46.586363] FS: 00007fbe1e6de900(0000) GS:ffff8880e538f000(0000) knlGS:0000000000000000 [ 46.587839] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 46.588909] CR2: 00007ffd293fcef8 CR3: 000000000ef65000 CR4: 0000000000350ef0 [ 46.590208] Call Trace: [ 46.590737] [ 46.591169] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 46.592083] ? __create_object+0x59/0x80 [ 46.592888] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 46.593876] __vmalloc_noprof+0x59/0x60 [ 46.594642] bpf_prog_alloc_no_stats+0x55/0x470 [ 46.595498] ? __pfx_seccomp_check_filter+0x10/0x10 [ 46.596440] bpf_prog_alloc+0x39/0x200 [ 46.597179] ? __pfx_seccomp_check_filter+0x10/0x10 [ 46.598124] bpf_prog_create_from_user+0xb2/0x2f0 [ 46.599051] do_seccomp+0x349/0x25e0 [ 46.599771] ? find_held_lock+0x2b/0x80 [ 46.600506] ? do_prlimit+0x310/0x610 [ 46.601249] ? __pfx_do_seccomp+0x10/0x10 [ 46.602057] ? do_raw_spin_unlock+0x53/0x220 [ 46.602915] ? _raw_spin_unlock+0x1e/0x40 [ 46.603725] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 46.604707] ? static_key_count+0x60/0x80 [ 46.605471] prctl_set_seccomp+0x4e/0x70 [ 46.606257] __do_sys_prctl+0xe6c/0x1d70 [ 46.607046] ? __pfx___do_sys_prctl+0x10/0x10 [ 46.607886] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 46.608851] ? irqentry_exit+0xf3/0x650 [ 46.609573] do_syscall_64+0xbf/0x430 [ 46.610320] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 46.611308] RIP: 0033:0x7fbe1ebd05cd [ 46.612015] 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 [ 46.615203] RSP: 002b:00007ffd293fb3a0 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 46.616590] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007fbe1ebd05cd [ 46.617898] RDX: 000055d14eb1ee00 RSI: 0000000000000002 RDI: 0000000000000016 [ 46.619215] RBP: 00007ffd293fb400 R08: 0000000000000000 R09: 00007ffd293faaa0 [ 46.620507] R10: 0000000000000000 R11: 0000000000000246 R12: 000055d15dc34240 [ 46.621813] R13: 00007ffd293fb830 R14: 000055d15dc3d380 R15: 000055d15dc48540 [ 46.623126] [ 46.623552] irq event stamp: 1729 [ 46.624205] hardirqs last enabled at (1739): [] __up_console_sem+0x78/0x80 [ 46.625715] hardirqs last disabled at (1748): [] __up_console_sem+0x5d/0x80 [ 46.627246] softirqs last enabled at (1582): [] handle_softirqs+0x50c/0x770 [ 46.628790] softirqs last disabled at (1577): [] __irq_exit_rcu+0xc4/0x100 [ 46.630313] ---[ end trace 0000000000000000 ]--- [ 50.030954] ------------[ cut here ]------------ [ 50.031736] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 50.033429] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#1: sshd/240 [ 50.034663] Modules linked in: [ 50.035188] CPU: 1 UID: 104 PID: 240 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251118 #1 PREEMPT(voluntary) [ 50.036979] Tainted: [W]=WARN [ 50.037451] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 50.038979] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 50.039797] 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 [ 50.042496] RSP: 0018:ffff8880185d7bc0 EFLAGS: 00010286 [ 50.043352] RAX: 0000000000000000 RBX: ffffed10030baf78 RCX: ffffffff813a4050 [ 50.044451] RDX: ffff888018578000 RSI: ffffffff813a405e RDI: 0000000000000001 [ 50.045758] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed10030baf2f [ 50.046875] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 50.047974] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff8880185d7df8 [ 50.049073] FS: 00007f6bad849900(0000) GS:ffff8880e548f000(0000) knlGS:0000000000000000 [ 50.050327] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 50.051260] CR2: 00007ffe8b775ef8 CR3: 000000000de99000 CR4: 0000000000350ef0 [ 50.052356] Call Trace: [ 50.052791] [ 50.053148] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 50.053917] ? __create_object+0x59/0x80 [ 50.054553] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 50.055389] __vmalloc_noprof+0x59/0x60 [ 50.056022] bpf_prog_alloc_no_stats+0x55/0x470 [ 50.056764] ? __pfx_seccomp_check_filter+0x10/0x10 [ 50.057520] bpf_prog_alloc+0x39/0x200 [ 50.058154] ? __pfx_seccomp_check_filter+0x10/0x10 [ 50.058935] bpf_prog_create_from_user+0xb2/0x2f0 [ 50.059678] do_seccomp+0x349/0x25e0 [ 50.060227] ? find_held_lock+0x2b/0x80 [ 50.060849] ? do_prlimit+0x310/0x610 [ 50.061424] ? __pfx_do_seccomp+0x10/0x10 [ 50.062065] ? do_raw_spin_unlock+0x53/0x220 [ 50.062757] ? _raw_spin_unlock+0x1e/0x40 [ 50.063367] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 50.064173] ? static_key_count+0x60/0x80 [ 50.064831] prctl_set_seccomp+0x4e/0x70 [ 50.065430] __do_sys_prctl+0xe6c/0x1d70 [ 50.066080] ? __pfx___do_sys_prctl+0x10/0x10 [ 50.066796] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 50.067557] ? irqentry_exit+0xf3/0x650 [ 50.068189] do_syscall_64+0xbf/0x430 [ 50.068815] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 50.069561] RIP: 0033:0x7f6badd3b5cd [ 50.070140] 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 [ 50.072743] RSP: 002b:00007ffe8b774880 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 50.073867] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f6badd3b5cd [ 50.074943] RDX: 0000562b7c0d4e00 RSI: 0000000000000002 RDI: 0000000000000016 [ 50.076009] RBP: 00007ffe8b7748e0 R08: 0000000000000000 R09: 00007ffe8b773f80 [ 50.077073] R10: 0000000000000000 R11: 0000000000000246 R12: 0000562bb4675ad0 [ 50.078134] R13: 00007ffe8b774d10 R14: 0000562bb4676bc0 R15: 0000562bb4687780 [ 50.079222] [ 50.079580] irq event stamp: 1757 [ 50.080098] hardirqs last enabled at (1767): [] __up_console_sem+0x78/0x80 [ 50.081363] hardirqs last disabled at (1784): [] __up_console_sem+0x5d/0x80 [ 50.082617] softirqs last enabled at (1782): [] handle_softirqs+0x50c/0x770 [ 50.083907] softirqs last disabled at (1775): [] __irq_exit_rcu+0xc4/0x100 [ 50.085171] ---[ end trace 0000000000000000 ]--- [ 50.913324] ------------[ cut here ]------------ [ 50.914225] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 50.916259] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#0: sshd/247 [ 50.917709] Modules linked in: [ 50.918297] CPU: 0 UID: 104 PID: 247 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251118 #1 PREEMPT(voluntary) [ 50.920275] Tainted: [W]=WARN [ 50.920877] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 50.922336] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 50.923269] 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 [ 50.926407] RSP: 0018:ffff888019c7fbc0 EFLAGS: 00010286 [ 50.927407] RAX: 0000000000000000 RBX: ffffed100338ff78 RCX: ffffffff813a4050 [ 50.928719] RDX: ffff888019918000 RSI: ffffffff813a405e RDI: 0000000000000001 [ 50.930016] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed100338ff2f [ 50.931429] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 50.932740] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff888019c7fdf8 [ 50.934042] FS: 00007f50587c4900(0000) GS:ffff8880e538f000(0000) knlGS:0000000000000000 [ 50.935505] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 50.936566] CR2: 00007f5058cb6580 CR3: 0000000019d5c000 CR4: 0000000000350ef0 [ 50.937854] Call Trace: [ 50.938304] [ 50.938771] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 50.939660] ? __create_object+0x59/0x80 [ 50.940406] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 50.941370] __vmalloc_noprof+0x59/0x60 [ 50.942118] bpf_prog_alloc_no_stats+0x55/0x470 [ 50.943010] ? __pfx_seccomp_check_filter+0x10/0x10 [ 50.943938] bpf_prog_alloc+0x39/0x200 [ 50.944677] ? __pfx_seccomp_check_filter+0x10/0x10 [ 50.945567] bpf_prog_create_from_user+0xb2/0x2f0 [ 50.946479] do_seccomp+0x349/0x25e0 [ 50.947213] ? __pfx_css_rstat_updated+0x10/0x10 [ 50.948119] ? __pfx_do_seccomp+0x10/0x10 [ 50.948904] ? find_held_lock+0x2b/0x80 [ 50.949667] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 50.950575] ? static_key_count+0x60/0x80 [ 50.951401] prctl_set_seccomp+0x4e/0x70 [ 50.952194] __do_sys_prctl+0xe6c/0x1d70 [ 50.952984] ? __pfx___do_sys_prctl+0x10/0x10 [ 50.953838] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 50.954810] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 50.955788] ? irqentry_exit+0xf3/0x650 [ 50.956514] do_syscall_64+0xbf/0x430 [ 50.957252] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 50.958184] RIP: 0033:0x7f5058cb65cd [ 50.958906] 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 [ 50.962105] RSP: 002b:00007ffd5a0ddc40 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 50.963476] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f5058cb65cd [ 50.964759] RDX: 00005605d30cae00 RSI: 0000000000000002 RDI: 0000000000000016 [ 50.966021] RBP: 00007ffd5a0ddca0 R08: 0000000000000000 R09: 00007ffd5a0dd340 [ 50.967303] R10: 0000000000000000 R11: 0000000000000246 R12: 00005605ddfa7ad0 [ 50.968615] R13: 00007ffd5a0de0d0 R14: 00005605ddfa8bc0 R15: 00005605ddfb9780 [ 50.969937] [ 50.970359] irq event stamp: 1707 [ 50.971033] hardirqs last enabled at (1717): [] __up_console_sem+0x78/0x80 [ 50.972569] hardirqs last disabled at (1726): [] __up_console_sem+0x5d/0x80 [ 50.974111] softirqs last enabled at (1696): [] handle_softirqs+0x50c/0x770 [ 50.975679] softirqs last disabled at (1691): [] __irq_exit_rcu+0xc4/0x100 [ 50.977195] ---[ end trace 0000000000000000 ]--- Warning: Permanently added '[localhost]:64032' (ECDSA) to the list of known hosts. 2025/11/19 04:29:25 fuzzer started 2025/11/19 04:29:25 dialing manager at localhost:34383 2025/11/19 04:29:25 checking machine... 2025/11/19 04:29:25 checking revisions... [ 51.887881] kmemleak: Automatic memory scanning thread ended 2025/11/19 04:29:25 testing simple program... [ 51.978971] cgroup: Unknown subsys name 'net' [ 52.036327] cgroup: Unknown subsys name 'cpuset' [ 52.054011] cgroup: Unknown subsys name 'rlimit' executing program executing program VM DIAGNOSIS: 04:29:25 Registers: info registers vcpu 0 RAX=0000000000000001 RBX=ffff888017747678 RCX=0000000000000001 RDX=0000000000000000 RSI=ffffffff8135e7a2 RDI=ffffffff85e1ffe0 RBP=ffff888017740000 RSP=ffff8880177474f0 R8 =0000000000000001 R9 =ffff888017747610 R10=000000000003c9ed R11=000000000000453f R12=ffff888017747601 R13=ffff888017747618 R14=ffff888017747668 R15=ffff8880177475d0 RIP=ffffffff81528eca RFL=00000202 [-------] 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 00007f6bad849900 00000000 00000000 GS =0000 ffff8880e538f000 00000000 00000000 LDT=0000 fffffe2800000000 00000000 00000000 TR =0040 fffffe0000003000 00004087 00008b00 DPL=0 TSS64-busy GDT= fffffe0000001000 0000007f IDT= fffffe0000000000 00000fff CR0=80050033 CR2=00007f6bade00618 CR3=000000000dd2e000 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=6e69676f6c5f6d61702c78756e696c65 XMM02=755f6d61702c74696d7265705f6d6170 XMM03=2c766e655f6d61702c7374696d696c5f XMM04=6d61702c766e655f6d61702c7374696d XMM05=78696e755f6d61702c74696d7265705f XMM06=6469756e69676f6c5f6d61702c78756e XMM07=672065736f6c635f6e6f69737365733a XMM08=61662029286e65706f5f746964756100 XMM09=00000000000000000000000000000000 XMM10=00000000000000000000000000000000 XMM11=00000000000000000000000000000000 XMM12=00000000000000000000000000000000 XMM13=00000000000000000000000000000000 XMM14=00000000000000000000000000000000 XMM15=00000000000000000000000000000000 info registers vcpu 1 RAX=0000000000020579 RBX=0000000000000001 RCX=ffffffff84c72d57 RDX=0000000000000000 RSI=0000000000000000 RDI=ffffffff814d2c90 RBP=dffffc0000000000 RSP=ffff8880096efe58 R8 =0000000000000001 R9 =ffffed100d9e639a R10=ffff88806cf31cd3 R11=0000000000000001 R12=ffffffff8664f850 R13=1ffff110012ddfd2 R14=0000000000000000 R15=0000000000000000 RIP=ffffffff84c7174e RFL=00000202 [-------] CPL=0 II=0 A20=1 SMM=0 HLT=1 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 fffffe4500000000 00000000 00000000 TR =0040 fffffe000004a000 00004087 00008b00 DPL=0 TSS64-busy GDT= fffffe0000048000 0000007f IDT= fffffe0000000000 00000fff CR0=80050033 CR2=00007f1b5bd9b000 CR3=000000000e1f1000 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=2034323a39323a343020393120766f4e XMM01=73732878696e755f6d6170203a5d3933 XMM02=65736f6c63206e6f6973736573203a29 XMM03=755f6d6170203a5d3933325b64687373 XMM04=69662068637573206f4e203a656c6163 XMM05=3a656c696620766e65206e65706f206f XMM06=65733a6468737328766e655f6d617020 XMM07=6b7a79732034323a39323a3430203931 XMM08=30343d7974696c696261706163202279 XMM09=00000000000000000000000000000000 XMM10=00000000000000000000000000000000 XMM11=00000000000000000000000000000000 XMM12=00000000000000000000000000000000 XMM13=00000000000000000000000000000000 XMM14=00000000000000000000000000000000 XMM15=00000000000000000000000000000000