[ 46.606012] ------------[ cut here ]------------ [ 46.606881] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 46.608953] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#0: sshd/237 [ 46.610422] Modules linked in: [ 46.611054] CPU: 0 UID: 104 PID: 237 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251118 #1 PREEMPT(voluntary) [ 46.613022] Tainted: [W]=WARN [ 46.613563] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 46.615025] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 46.615888] 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 [ 46.619034] RSP: 0018:ffff888017477bc0 EFLAGS: 00010286 [ 46.620023] RAX: 0000000000000000 RBX: ffffed1002e8ef78 RCX: ffffffff813a4050 [ 46.621287] RDX: ffff888016b2b780 RSI: ffffffff813a405e RDI: 0000000000000001 [ 46.622572] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed1002e8ef2f [ 46.623861] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 46.625131] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff888017477df8 [ 46.626397] FS: 00007f82c385c900(0000) GS:ffff8880e538f000(0000) knlGS:0000000000000000 [ 46.627823] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 46.628873] CR2: 00007ffd5a9a1ef8 CR3: 000000000e01e000 CR4: 0000000000350ef0 [ 46.630175] Call Trace: [ 46.630629] [ 46.631079] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 46.631961] ? __create_object+0x59/0x80 [ 46.632693] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 46.633653] __vmalloc_noprof+0x59/0x60 [ 46.634398] bpf_prog_alloc_no_stats+0x55/0x470 [ 46.635268] ? __pfx_seccomp_check_filter+0x10/0x10 [ 46.636210] bpf_prog_alloc+0x39/0x200 [ 46.636895] ? __pfx_seccomp_check_filter+0x10/0x10 [ 46.637817] bpf_prog_create_from_user+0xb2/0x2f0 [ 46.638714] do_seccomp+0x349/0x25e0 [ 46.639432] ? find_held_lock+0x2b/0x80 [ 46.640228] ? do_prlimit+0x310/0x610 [ 46.640957] ? __pfx_do_seccomp+0x10/0x10 [ 46.641691] ? do_raw_spin_unlock+0x53/0x220 [ 46.642514] ? _raw_spin_unlock+0x1e/0x40 [ 46.643274] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 46.644232] ? static_key_count+0x60/0x80 [ 46.645035] prctl_set_seccomp+0x4e/0x70 [ 46.645764] __do_sys_prctl+0xe6c/0x1d70 [ 46.646540] ? __pfx___do_sys_prctl+0x10/0x10 [ 46.647391] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 46.648362] ? irqentry_exit+0xf3/0x650 [ 46.649143] do_syscall_64+0xbf/0x430 [ 46.649829] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 46.650765] RIP: 0033:0x7f82c3d4e5cd [ 46.651455] 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 [ 46.654586] RSP: 002b:00007ffd5a9a05f0 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 46.655941] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f82c3d4e5cd [ 46.657208] RDX: 000055809d8e5e00 RSI: 0000000000000002 RDI: 0000000000000016 [ 46.658471] RBP: 00007ffd5a9a0650 R08: 0000000000000000 R09: 00007ffd5a99fcf0 [ 46.659761] R10: 0000000000000000 R11: 0000000000000246 R12: 00005580ca1072b0 [ 46.661042] R13: 00007ffd5a9a0a80 R14: 00005580ca109d20 R15: 00005580ca11b8d0 [ 46.662322] [ 46.662739] irq event stamp: 1739 [ 46.663402] hardirqs last enabled at (1749): [] __up_console_sem+0x78/0x80 [ 46.664934] hardirqs last disabled at (1758): [] __up_console_sem+0x5d/0x80 [ 46.666432] softirqs last enabled at (1624): [] handle_softirqs+0x50c/0x770 [ 46.667934] softirqs last disabled at (1619): [] __irq_exit_rcu+0xc4/0x100 [ 46.669186] ---[ end trace 0000000000000000 ]--- Debian GNU/Linux 11 syzkaller ttyS0 syzkaller login: [ 49.585626] ------------[ cut here ]------------ [ 49.586069] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 49.586998] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#0: sshd/244 [ 49.587646] Modules linked in: [ 49.587934] CPU: 0 UID: 104 PID: 244 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251118 #1 PREEMPT(voluntary) [ 49.588816] Tainted: [W]=WARN [ 49.589087] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 49.589744] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 49.590151] 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 [ 49.591603] RSP: 0018:ffff888019b2fbc0 EFLAGS: 00010286 [ 49.592043] RAX: 0000000000000000 RBX: ffffed1003365f78 RCX: ffffffff813a4050 [ 49.592609] RDX: ffff8880199b8000 RSI: ffffffff813a405e RDI: 0000000000000001 [ 49.593185] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed1003365f2f [ 49.593750] R10: 0000000000000000 R11: 0000000000000001 R12: 0000000000400dc0 [ 49.594325] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff888019b2fdf8 [ 49.594888] FS: 00007f779b3d3900(0000) GS:ffff8880e538f000(0000) knlGS:0000000000000000 [ 49.595546] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 49.596025] CR2: 00007f779b8c5580 CR3: 000000000bc98000 CR4: 0000000000350ef0 [ 49.596593] Call Trace: [ 49.596804] [ 49.597008] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 49.597397] ? __create_object+0x59/0x80 [ 49.597732] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 49.598171] __vmalloc_noprof+0x59/0x60 [ 49.598500] bpf_prog_alloc_no_stats+0x55/0x470 [ 49.598876] ? __pfx_seccomp_check_filter+0x10/0x10 [ 49.599303] bpf_prog_alloc+0x39/0x200 [ 49.599625] ? __pfx_seccomp_check_filter+0x10/0x10 [ 49.600047] bpf_prog_create_from_user+0xb2/0x2f0 [ 49.600440] do_seccomp+0x349/0x25e0 [ 49.600747] ? __pfx_css_rstat_updated+0x10/0x10 [ 49.601149] ? __pfx_do_seccomp+0x10/0x10 [ 49.601489] ? find_held_lock+0x2b/0x80 [ 49.601814] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 49.602254] ? static_key_count+0x60/0x80 [ 49.602602] prctl_set_seccomp+0x4e/0x70 [ 49.602954] __do_sys_prctl+0xe6c/0x1d70 [ 49.603294] ? __pfx___do_sys_prctl+0x10/0x10 [ 49.603670] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 49.604114] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 49.604538] ? irqentry_exit+0xf3/0x650 [ 49.604864] do_syscall_64+0xbf/0x430 [ 49.605203] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 49.605619] RIP: 0033:0x7f779b8c55cd [ 49.605942] 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 [ 49.607395] RSP: 002b:00007fffe2a4f880 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 49.608023] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f779b8c55cd [ 49.608594] RDX: 0000558e7bb76e00 RSI: 0000000000000002 RDI: 0000000000000016 [ 49.609184] RBP: 00007fffe2a4f8e0 R08: 0000000000000000 R09: 00007fffe2a4ef80 [ 49.609750] R10: 0000000000000000 R11: 0000000000000246 R12: 0000558e7f5d4bf0 [ 49.610334] R13: 00007fffe2a4fd10 R14: 0000558e7f5de380 R15: 0000558e7f5e9460 [ 49.610926] [ 49.611120] irq event stamp: 1737 [ 49.611395] hardirqs last enabled at (1745): [] __up_console_sem+0x78/0x80 [ 49.612098] hardirqs last disabled at (1754): [] __up_console_sem+0x5d/0x80 [ 49.612778] softirqs last enabled at (1310): [] handle_softirqs+0x50c/0x770 [ 49.613487] softirqs last disabled at (1301): [] __irq_exit_rcu+0xc4/0x100 [ 49.614180] ---[ end trace 0000000000000000 ]--- [ 50.310982] ------------[ cut here ]------------ [ 50.311872] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 50.314028] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#0: sshd/251 [ 50.315495] Modules linked in: [ 50.316146] CPU: 0 UID: 104 PID: 251 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251118 #1 PREEMPT(voluntary) [ 50.318147] Tainted: [W]=WARN [ 50.318714] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 50.320204] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 50.321125] 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 [ 50.324324] RSP: 0018:ffff888019b77bc0 EFLAGS: 00010286 [ 50.325315] RAX: 0000000000000000 RBX: ffffed100336ef78 RCX: ffffffff813a4050 [ 50.326618] RDX: ffff888015c69bc0 RSI: ffffffff813a405e RDI: 0000000000000001 [ 50.327929] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed100336ef2f [ 50.329217] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 50.330508] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff888019b77df8 [ 50.331821] FS: 00007f01689f8900(0000) GS:ffff8880e538f000(0000) knlGS:0000000000000000 [ 50.333275] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 50.334353] CR2: 00007fff56596ef8 CR3: 0000000009e4f000 CR4: 0000000000350ef0 [ 50.335683] Call Trace: [ 50.336203] [ 50.336622] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 50.337522] ? __create_object+0x59/0x80 [ 50.338329] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 50.339303] __vmalloc_noprof+0x59/0x60 [ 50.340079] bpf_prog_alloc_no_stats+0x55/0x470 [ 50.340967] ? __pfx_seccomp_check_filter+0x10/0x10 [ 50.341852] bpf_prog_alloc+0x39/0x200 [ 50.342594] ? __pfx_seccomp_check_filter+0x10/0x10 [ 50.343529] bpf_prog_create_from_user+0xb2/0x2f0 [ 50.344471] do_seccomp+0x349/0x25e0 [ 50.345199] ? find_held_lock+0x2b/0x80 [ 50.345970] ? do_prlimit+0x310/0x610 [ 50.346675] ? __pfx_do_seccomp+0x10/0x10 [ 50.347478] ? do_raw_spin_unlock+0x53/0x220 [ 50.348325] ? _raw_spin_unlock+0x1e/0x40 [ 50.349110] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 50.350093] ? static_key_count+0x60/0x80 [ 50.350867] prctl_set_seccomp+0x4e/0x70 [ 50.351653] __do_sys_prctl+0xe6c/0x1d70 [ 50.352449] ? __pfx___do_sys_prctl+0x10/0x10 [ 50.353321] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 50.354307] ? irqentry_exit+0xf3/0x650 [ 50.355086] do_syscall_64+0xbf/0x430 [ 50.355805] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 50.356759] RIP: 0033:0x7f0168eea5cd [ 50.357465] 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 [ 50.360649] RSP: 002b:00007fff565957b0 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 50.362021] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f0168eea5cd [ 50.363328] RDX: 000055d3a60c6e00 RSI: 0000000000000002 RDI: 0000000000000016 [ 50.364629] RBP: 00007fff56595810 R08: 0000000000000000 R09: 00007fff56594eb0 [ 50.365954] R10: 0000000000000000 R11: 0000000000000246 R12: 000055d3c21d92b0 [ 50.367248] R13: 00007fff56595c40 R14: 000055d3c21dbd20 R15: 000055d3c21ed8d0 [ 50.368560] [ 50.369033] irq event stamp: 1789 [ 50.369645] hardirqs last enabled at (1797): [] __up_console_sem+0x78/0x80 [ 50.371182] hardirqs last disabled at (1806): [] __up_console_sem+0x5d/0x80 [ 50.372733] softirqs last enabled at (1756): [] handle_softirqs+0x50c/0x770 [ 50.374292] softirqs last disabled at (1751): [] __irq_exit_rcu+0xc4/0x100 [ 50.375801] ---[ end trace 0000000000000000 ]--- Warning: Permanently added '[localhost]:37308' (ECDSA) to the list of known hosts. 2025/11/18 21:35:01 fuzzer started 2025/11/18 21:35:01 dialing manager at localhost:34383 2025/11/18 21:35:01 checking machine... 2025/11/18 21:35:01 checking revisions... [ 51.265987] kmemleak: Automatic memory scanning thread ended 2025/11/18 21:35:01 testing simple program... [ 51.365567] cgroup: Unknown subsys name 'net' [ 51.449489] cgroup: Unknown subsys name 'cpuset' [ 51.462855] cgroup: Unknown subsys name 'rlimit' executing program executing program VM DIAGNOSIS: 21:35:00 Registers: info registers vcpu 0 RAX=1ffffffff0d570a5 RBX=0000000000000002 RCX=ffffffff86ab852c RDX=0000000000000000 RSI=dffffc0000000000 RDI=ffffffff86ab852e RBP=ffff88806ce08aa8 RSP=ffff88806ce089e0 R8 =ffffffff86ab8530 R9 =ffff88806ce08a90 R10=000000000003c9ed R11=00000000000255ed R12=ffff88806ce08ab0 R13=ffff88806ce08a98 R14=ffff88806ce08de0 R15=ffff88806ce08a50 RIP=ffffffff8135fac9 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 00007f779b3d3900 00000000 00000000 GS =0000 ffff8880e538f000 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=00007fffe2a49000 CR3=000000001f59d000 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=563412feff00545000000000000080fe 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=0000000000000001 RBX=ffff8880e548f000 RCX=dfb8078e475e76a4 RDX=ffffffff8135e4a9 RSI=000000008301a466 RDI=0000000081125d94 RBP=ffff88806cf08ac8 RSP=ffff88806cf089f0 R8 =0000000000000001 R9 =0000000000000000 R10=0000000000000001 R11=0000000000000001 R12=0000000000000000 R13=ffff88806cf08ab8 R14=ffff888013f9d340 R15=ffff88806cf08a70 RIP=ffffffff815bd114 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 00007fac74c8e900 00000000 00000000 GS =0000 ffff8880e548f000 00000000 00000000 LDT=0000 fffffe2c00000000 00000000 00000000 TR =0040 fffffe000004a000 00004087 00008b00 DPL=0 TSS64-busy GDT= fffffe0000048000 0000007f IDT= fffffe0000000000 00000fff CR0=80050033 CR2=00007fffce3f6658 CR3=000000000d5c0000 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=762c7e5d4a547d0e00000000000ae988 XMM05=1235051ff59998c30000000000321810 XMM06=fd34f20bbe3870d100000000003205b0 XMM07=00000000000000000000000000000000 XMM08=415453454d49545f454d49544c414552 XMM09=00000000000000000000000000000000 XMM10=20200000000020202020202020200000 XMM11=00000000000000000000000000000000 XMM12=00000000000000000000000000000000 XMM13=00000000000000000000000000000000 XMM14=00000000000000000000000000000000 XMM15=00000000000000000000000000000000