syzkaller login: [ 39.010983] ------------[ cut here ]------------ [ 39.011898] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 39.013992] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#0: sshd/232 [ 39.015620] Modules linked in: [ 39.016290] CPU: 0 UID: 104 PID: 232 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251117 #1 PREEMPT(voluntary) [ 39.018353] Tainted: [W]=WARN [ 39.018906] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 39.020382] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 39.021302] Code: e0 ad 11 00 81 e6 1f 52 ee ff 89 4c 24 40 89 74 24 30 90 48 c7 c7 00 38 f1 84 4c 8d 44 24 40 48 8d 54 24 30 e8 a0 7c 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 [ 39.024455] RSP: 0018:ffff888015db7bc0 EFLAGS: 00010286 [ 39.025436] RAX: 0000000000000000 RBX: ffffed1002bb6f78 RCX: ffffffff813a4050 [ 39.026719] RDX: ffff88801c0f3780 RSI: ffffffff813a405e RDI: 0000000000000001 [ 39.027994] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed1002bb6f2f [ 39.029284] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 39.030583] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff888015db7df8 [ 39.031865] FS: 00007f63273b6900(0000) GS:ffff8880e538f000(0000) knlGS:0000000000000000 [ 39.033308] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 39.034373] CR2: 00007f63278a8580 CR3: 000000000d6bd000 CR4: 0000000000350ef0 [ 39.035656] Call Trace: [ 39.036127] [ 39.036583] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 39.037484] ? __create_object+0x59/0x80 [ 39.038257] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 39.039222] __vmalloc_noprof+0x59/0x60 [ 39.039945] bpf_prog_alloc_no_stats+0x55/0x470 [ 39.040827] ? __pfx_seccomp_check_filter+0x10/0x10 [ 39.041771] bpf_prog_alloc+0x39/0x200 [ 39.042509] ? __pfx_seccomp_check_filter+0x10/0x10 [ 39.043448] bpf_prog_create_from_user+0xb2/0x2f0 [ 39.044380] do_seccomp+0x349/0x25e0 [ 39.045052] ? __pfx_css_rstat_updated+0x10/0x10 [ 39.045954] ? __pfx_do_seccomp+0x10/0x10 [ 39.046759] ? find_held_lock+0x2b/0x80 [ 39.047526] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 39.048506] ? static_key_count+0x60/0x80 [ 39.049363] prctl_set_seccomp+0x4e/0x70 [ 39.049997] __do_sys_prctl+0xe6c/0x1d70 [ 39.050652] ? __pfx___do_sys_prctl+0x10/0x10 [ 39.051353] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 39.052117] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 39.052990] ? irqentry_exit+0xf3/0x650 [ 39.053648] do_syscall_64+0xbf/0x430 [ 39.054264] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 39.055014] RIP: 0033:0x7f63278a85cd [ 39.055617] 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 [ 39.058273] RSP: 002b:00007ffe5e9001b0 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 39.059414] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f63278a85cd [ 39.060504] RDX: 000055e67f48fe00 RSI: 0000000000000002 RDI: 0000000000000016 [ 39.061574] RBP: 00007ffe5e900210 R08: 0000000000000000 R09: 00007ffe5e8ff8b0 [ 39.062649] R10: 0000000000000000 R11: 0000000000000246 R12: 000055e697bbaad0 [ 39.063715] R13: 00007ffe5e900640 R14: 000055e697bbbbc0 R15: 000055e697bcc780 [ 39.064828] [ 39.065227] irq event stamp: 1715 [ 39.065734] hardirqs last enabled at (1723): [] __up_console_sem+0x78/0x80 [ 39.066999] hardirqs last disabled at (1732): [] __up_console_sem+0x5d/0x80 [ 39.068288] softirqs last enabled at (1712): [] handle_softirqs+0x50c/0x770 [ 39.069573] softirqs last disabled at (1707): [] __irq_exit_rcu+0xc4/0x100 [ 39.070839] ---[ end trace 0000000000000000 ]--- [ 41.867992] ------------[ cut here ]------------ [ 41.868965] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 41.871055] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#1: sshd/240 [ 41.872530] Modules linked in: [ 41.873135] CPU: 1 UID: 104 PID: 240 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251117 #1 PREEMPT(voluntary) [ 41.875431] Tainted: [W]=WARN [ 41.875993] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 41.877549] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 41.878472] Code: e0 ad 11 00 81 e6 1f 52 ee ff 89 4c 24 40 89 74 24 30 90 48 c7 c7 00 38 f1 84 4c 8d 44 24 40 48 8d 54 24 30 e8 a0 7c 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 [ 41.881654] RSP: 0018:ffff888019b47bc0 EFLAGS: 00010286 [ 41.882630] RAX: 0000000000000000 RBX: ffffed1003368f78 RCX: ffffffff813a4050 [ 41.883913] RDX: ffff888016c0b780 RSI: ffffffff813a405e RDI: 0000000000000001 [ 41.885223] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed1003368f2f [ 41.886508] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 41.887789] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff888019b47df8 [ 41.889094] FS: 00007f02f7e58900(0000) GS:ffff8880e548f000(0000) knlGS:0000000000000000 [ 41.890538] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 41.891613] CR2: 00007ffee4359ef7 CR3: 0000000020ecb000 CR4: 0000000000350ef0 [ 41.892912] Call Trace: [ 41.893418] [ 41.893825] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 41.894719] ? __create_object+0x59/0x80 [ 41.895500] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 41.896475] __vmalloc_noprof+0x59/0x60 [ 41.897244] bpf_prog_alloc_no_stats+0x55/0x470 [ 41.898071] ? __pfx_seccomp_check_filter+0x10/0x10 [ 41.898996] bpf_prog_alloc+0x39/0x200 [ 41.899735] ? __pfx_seccomp_check_filter+0x10/0x10 [ 41.900670] bpf_prog_create_from_user+0xb2/0x2f0 [ 41.901582] do_seccomp+0x349/0x25e0 [ 41.902304] ? find_held_lock+0x2b/0x80 [ 41.903020] ? do_prlimit+0x310/0x610 [ 41.903762] ? __pfx_do_seccomp+0x10/0x10 [ 41.904562] ? do_raw_spin_unlock+0x53/0x220 [ 41.905408] ? _raw_spin_unlock+0x1e/0x40 [ 41.906143] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 41.907131] ? static_key_count+0x60/0x80 [ 41.907946] prctl_set_seccomp+0x4e/0x70 [ 41.908746] __do_sys_prctl+0xe6c/0x1d70 [ 41.909555] ? __pfx___do_sys_prctl+0x10/0x10 [ 41.910421] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 41.911387] ? irqentry_exit+0xf3/0x650 [ 41.912110] do_syscall_64+0xbf/0x430 [ 41.912883] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 41.913845] RIP: 0033:0x7f02f834a5cd [ 41.914556] 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 [ 41.917729] RSP: 002b:00007ffee4357610 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 41.919084] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f02f834a5cd [ 41.920382] RDX: 00005600cbc5be00 RSI: 0000000000000002 RDI: 0000000000000016 [ 41.921546] RBP: 00007ffee4357670 R08: 0000000000000000 R09: 00007ffee4356d10 [ 41.922611] R10: 0000000000000000 R11: 0000000000000246 R12: 00005600f46f4240 [ 41.923682] R13: 00007ffee4357aa0 R14: 00005600f46f3bf0 R15: 00005600f47084d0 [ 41.924777] [ 41.925130] irq event stamp: 1807 [ 41.925676] hardirqs last enabled at (1817): [] __up_console_sem+0x78/0x80 [ 41.926951] hardirqs last disabled at (1826): [] __up_console_sem+0x5d/0x80 [ 41.928214] softirqs last enabled at (1364): [] handle_softirqs+0x50c/0x770 [ 41.929521] softirqs last disabled at (1359): [] __irq_exit_rcu+0xc4/0x100 [ 41.930787] ---[ end trace 0000000000000000 ]--- [ 42.670911] ------------[ cut here ]------------ [ 42.671860] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 42.673934] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#0: sshd/247 [ 42.675417] Modules linked in: [ 42.676058] CPU: 0 UID: 104 PID: 247 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251117 #1 PREEMPT(voluntary) [ 42.678039] Tainted: [W]=WARN [ 42.678638] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 42.680085] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 42.681007] Code: e0 ad 11 00 81 e6 1f 52 ee ff 89 4c 24 40 89 74 24 30 90 48 c7 c7 00 38 f1 84 4c 8d 44 24 40 48 8d 54 24 30 e8 a0 7c 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 [ 42.684197] RSP: 0018:ffff888015e7fbc0 EFLAGS: 00010286 [ 42.685144] RAX: 0000000000000000 RBX: ffffed1002bcff78 RCX: ffffffff813a4050 [ 42.686535] RDX: ffff888019fad340 RSI: ffffffff813a405e RDI: 0000000000000001 [ 42.687833] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed1002bcff2f [ 42.689133] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 42.690411] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff888015e7fdf8 [ 42.691685] FS: 00007ff74ba6d900(0000) GS:ffff8880e538f000(0000) knlGS:0000000000000000 [ 42.693151] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 42.694237] CR2: 00007ffc87629ef7 CR3: 000000000d24c000 CR4: 0000000000350ef0 [ 42.695514] Call Trace: [ 42.695979] [ 42.696438] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 42.697334] ? __create_object+0x59/0x80 [ 42.698059] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 42.699031] __vmalloc_noprof+0x59/0x60 [ 42.699785] bpf_prog_alloc_no_stats+0x55/0x470 [ 42.700657] ? __pfx_seccomp_check_filter+0x10/0x10 [ 42.701589] bpf_prog_alloc+0x39/0x200 [ 42.702329] ? __pfx_seccomp_check_filter+0x10/0x10 [ 42.703251] bpf_prog_create_from_user+0xb2/0x2f0 [ 42.704108] do_seccomp+0x349/0x25e0 [ 42.704830] ? find_held_lock+0x2b/0x80 [ 42.705576] ? do_prlimit+0x310/0x610 [ 42.706311] ? __pfx_do_seccomp+0x10/0x10 [ 42.707045] ? do_raw_spin_unlock+0x53/0x220 [ 42.707880] ? _raw_spin_unlock+0x1e/0x40 [ 42.708670] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 42.709638] ? static_key_count+0x60/0x80 [ 42.710441] prctl_set_seccomp+0x4e/0x70 [ 42.711164] __do_sys_prctl+0xe6c/0x1d70 [ 42.711947] ? __pfx___do_sys_prctl+0x10/0x10 [ 42.712808] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 42.713770] ? irqentry_exit+0xf3/0x650 [ 42.714527] do_syscall_64+0xbf/0x430 [ 42.715263] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 42.716156] RIP: 0033:0x7ff74bf5f5cd [ 42.716865] 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 [ 42.719995] RSP: 002b:00007ffc87628dc0 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 42.721382] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007ff74bf5f5cd [ 42.722653] RDX: 00005586d094be00 RSI: 0000000000000002 RDI: 0000000000000016 [ 42.723918] RBP: 00007ffc87628e20 R08: 0000000000000000 R09: 00007ffc876284c0 [ 42.725213] R10: 0000000000000000 R11: 0000000000000246 R12: 00005586d6bbf2b0 [ 42.726488] R13: 00007ffc87629250 R14: 00005586d6bc1d20 R15: 00005586d6bd38d0 [ 42.727798] [ 42.728271] irq event stamp: 1739 [ 42.728874] hardirqs last enabled at (1747): [] __up_console_sem+0x78/0x80 [ 42.730385] hardirqs last disabled at (1756): [] __up_console_sem+0x5d/0x80 [ 42.731891] softirqs last enabled at (1726): [] handle_softirqs+0x50c/0x770 [ 42.733440] softirqs last disabled at (1721): [] __irq_exit_rcu+0xc4/0x100 [ 42.734945] ---[ end trace 0000000000000000 ]--- Warning: Permanently added '[localhost]:5921' (ECDSA) to the list of known hosts. 2025/11/17 14:54:10 fuzzer started 2025/11/17 14:54:10 dialing manager at localhost:37895 2025/11/17 14:54:10 checking machine... 2025/11/17 14:54:10 checking revisions... [ 43.631118] kmemleak: Automatic memory scanning thread ended 2025/11/17 14:54:10 testing simple program... [ 43.719351] cgroup: Unknown subsys name 'net' [ 43.823926] cgroup: Unknown subsys name 'cpuset' [ 43.860714] cgroup: Unknown subsys name 'rlimit' executing program executing program executing program VM DIAGNOSIS: 14:54:09 Registers: info registers vcpu 0 RAX=dffffc0000000000 RBX=ffff8880e538f000 RCX=0000000000000002 RDX=0000000000000000 RSI=0000000000000000 RDI=ffff88806ce31cd0 RBP=ffffffff85e1ffe0 RSP=ffff88806ce08978 R8 =0000000000000000 R9 =0000000000000000 R10=000000000003c9ed R11=0000000000026728 R12=0000000000000002 R13=0000000000000000 R14=0000000000000000 R15=ffff88806ce08a70 RIP=ffffffff815bcfa0 RFL=00000216 [----AP-] 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 00007f02f7e58900 00000000 00000000 GS =0000 ffff8880e538f000 00000000 00000000 LDT=0000 fffffe1900000000 00000000 00000000 TR =0040 fffffe0000003000 00004087 00008b00 DPL=0 TSS64-busy GDT= fffffe0000001000 0000007f IDT= fffffe0000000000 00000fff CR0=80050033 CR2=00007f02f7e1d008 CR3=000000000b8d1000 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=652022746f6f72223d74636361207469 XMM02=3d6c616e696d72657420322e322e302e XMM03=3d656d616e74736f682022646873732f XMM04=40404040404040404040404040404040 XMM05=5a5a5a5a5a5a5a5a5a5a5a5a5a5a5a5a XMM06=20202020202020202020202020202020 XMM07=00000000000000000000000000000000 XMM08=652075253d64692073253d706f000000 XMM09=00000000000000000000000000000000 XMM10=00000000000000000000000000000000 XMM11=00000000000000000000000000000000 XMM12=00000000000000000000000000000000 XMM13=00000000000000000000000000000000 XMM14=00000000000000000000000000000000 XMM15=00000000000000000000000000000000 info registers vcpu 1 RAX=0000000000027385 RBX=0000000000000001 RCX=ffffffff84c72d57 RDX=0000000000000000 RSI=0000000000000000 RDI=ffffffff814d2c90 RBP=dffffc0000000000 RSP=ffff8880096efe58 R8 =0000000000000001 R9 =ffffed100d9e639a R10=ffff88806cf31cd3 R11=0000000000000001 R12=ffffffff8664f650 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 fffffe2c00000000 00000000 00000000 TR =0040 fffffe000004a000 00004087 00008b00 DPL=0 TSS64-busy GDT= fffffe0000048000 0000007f IDT= fffffe0000000000 00000fff CR0=80050033 CR2=00007f454331b360 CR3=000000000e08f000 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=5b7d6691124d5d90d94908ac84a7f6f6 XMM02=2c67c8bc2e329bc300000000003051c8 XMM03=fb795ef6d65770560000000000310eb8 XMM04=791ed4951cd4113e00000000000ae988 XMM05=07c8bb74b6c04a440000000000321828 XMM06=d74844bf967d85ba00000000003216b0 XMM07=e042d86d42eb936e0000000000311138 XMM08=870fb86c61375bd20000000000305228 XMM09=00000000000000000000000000000000 XMM10=20200000000000000000000000000000 XMM11=00000000000000000000000000000000 XMM12=00000000000000000000000000000000 XMM13=00000000000000000000000000000000 XMM14=00000000000000000000000000000000 XMM15=00000000000000000000000000000000