syzkaller login: [ 39.004515] ------------[ cut here ]------------ [ 39.005435] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 39.007394] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#0: sshd/231 [ 39.008841] Modules linked in: [ 39.009471] CPU: 0 UID: 104 PID: 231 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251118 #1 PREEMPT(voluntary) [ 39.011670] Tainted: [W]=WARN [ 39.012610] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 39.014112] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 39.014979] 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 [ 39.018118] RSP: 0018:ffff888016527bc0 EFLAGS: 00010286 [ 39.019042] RAX: 0000000000000000 RBX: ffffed1002ca4f78 RCX: ffffffff813a4050 [ 39.020354] RDX: ffff888009ccb780 RSI: ffffffff813a405e RDI: 0000000000000001 [ 39.021625] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed1002ca4f2f [ 39.022893] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 39.024155] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff888016527df8 [ 39.025433] FS: 00007f8f34d88900(0000) GS:ffff8880e538f000(0000) knlGS:0000000000000000 [ 39.026863] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 39.027918] CR2: 00007ffec1762ef7 CR3: 000000000e4ee000 CR4: 0000000000350ef0 [ 39.029202] Call Trace: [ 39.029660] [ 39.030109] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 39.030948] ? __create_object+0x59/0x80 [ 39.031732] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 39.032693] __vmalloc_noprof+0x59/0x60 [ 39.033436] bpf_prog_alloc_no_stats+0x55/0x470 [ 39.034302] ? __pfx_seccomp_check_filter+0x10/0x10 [ 39.035224] bpf_prog_alloc+0x39/0x200 [ 39.035908] ? __pfx_seccomp_check_filter+0x10/0x10 [ 39.036842] bpf_prog_create_from_user+0xb2/0x2f0 [ 39.037729] do_seccomp+0x349/0x25e0 [ 39.038439] ? find_held_lock+0x2b/0x80 [ 39.039194] ? do_prlimit+0x310/0x610 [ 39.039878] ? __pfx_do_seccomp+0x10/0x10 [ 39.040665] ? do_raw_spin_unlock+0x53/0x220 [ 39.041491] ? _raw_spin_unlock+0x1e/0x40 [ 39.042265] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 39.043218] ? static_key_count+0x60/0x80 [ 39.043969] prctl_set_seccomp+0x4e/0x70 [ 39.044746] __do_sys_prctl+0xe6c/0x1d70 [ 39.045529] ? __pfx___do_sys_prctl+0x10/0x10 [ 39.046376] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 39.047339] ? irqentry_exit+0xf3/0x650 [ 39.048044] do_syscall_64+0xbf/0x430 [ 39.048798] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 39.049731] RIP: 0033:0x7f8f3527a5cd [ 39.050449] 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 [ 39.053589] RSP: 002b:00007ffec1761270 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 39.054939] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f8f3527a5cd [ 39.056218] RDX: 00005628c11bbe00 RSI: 0000000000000002 RDI: 0000000000000016 [ 39.057508] RBP: 00007ffec17612d0 R08: 0000000000000000 R09: 00007ffec1760970 [ 39.058780] R10: 0000000000000000 R11: 0000000000000246 R12: 00005628f654fad0 [ 39.060049] R13: 00007ffec1761700 R14: 00005628f6550bc0 R15: 00005628f6561780 [ 39.061360] [ 39.061779] irq event stamp: 1879 [ 39.062424] hardirqs last enabled at (1889): [] __up_console_sem+0x78/0x80 [ 39.063914] hardirqs last disabled at (1898): [] __up_console_sem+0x5d/0x80 [ 39.065423] softirqs last enabled at (1790): [] handle_softirqs+0x50c/0x770 [ 39.066951] softirqs last disabled at (1785): [] __irq_exit_rcu+0xc4/0x100 [ 39.068447] ---[ end trace 0000000000000000 ]--- [ 41.870439] ------------[ cut here ]------------ [ 41.871390] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 41.873379] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#0: sshd/240 [ 41.874822] Modules linked in: [ 41.875459] CPU: 0 UID: 104 PID: 240 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251118 #1 PREEMPT(voluntary) [ 41.877456] Tainted: [W]=WARN [ 41.878002] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 41.879507] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 41.880448] 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 [ 41.883612] RSP: 0018:ffff888016b97bc0 EFLAGS: 00010286 [ 41.884607] RAX: 0000000000000000 RBX: ffffed1002d72f78 RCX: ffffffff813a4050 [ 41.885883] RDX: ffff888014725340 RSI: ffffffff813a405e RDI: 0000000000000001 [ 41.887151] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed1002d72f2f [ 41.888424] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 41.889712] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff888016b97df8 [ 41.890987] FS: 00007fdca9c0d900(0000) GS:ffff8880e538f000(0000) knlGS:0000000000000000 [ 41.892412] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 41.893489] CR2: 00007ffcaa7fbef7 CR3: 0000000020529000 CR4: 0000000000350ef0 [ 41.894770] Call Trace: [ 41.895272] [ 41.895679] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 41.896586] ? __create_object+0x59/0x80 [ 41.897367] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 41.898325] __vmalloc_noprof+0x59/0x60 [ 41.899024] bpf_prog_alloc_no_stats+0x55/0x470 [ 41.899891] ? __pfx_seccomp_check_filter+0x10/0x10 [ 41.900823] bpf_prog_alloc+0x39/0x200 [ 41.901545] ? __pfx_seccomp_check_filter+0x10/0x10 [ 41.902473] bpf_prog_create_from_user+0xb2/0x2f0 [ 41.903366] do_seccomp+0x349/0x25e0 [ 41.904026] ? find_held_lock+0x2b/0x80 [ 41.904793] ? do_prlimit+0x310/0x610 [ 41.905530] ? __pfx_do_seccomp+0x10/0x10 [ 41.906321] ? do_raw_spin_unlock+0x53/0x220 [ 41.907137] ? _raw_spin_unlock+0x1e/0x40 [ 41.907856] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 41.908834] ? static_key_count+0x60/0x80 [ 41.909627] prctl_set_seccomp+0x4e/0x70 [ 41.910386] __do_sys_prctl+0xe6c/0x1d70 [ 41.911152] ? __pfx___do_sys_prctl+0x10/0x10 [ 41.911970] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 41.913379] ? irqentry_exit+0xf3/0x650 [ 41.914138] do_syscall_64+0xbf/0x430 [ 41.914834] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 41.915775] RIP: 0033:0x7fdcaa0ff5cd [ 41.916517] 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 [ 41.919677] RSP: 002b:00007ffcaa7fad70 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 41.921039] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007fdcaa0ff5cd [ 41.922331] RDX: 000055602a60fe00 RSI: 0000000000000002 RDI: 0000000000000016 [ 41.923603] RBP: 00007ffcaa7fadd0 R08: 0000000000000000 R09: 00007ffcaa7fa470 [ 41.924888] R10: 0000000000000000 R11: 0000000000000246 R12: 000055603f57cad0 [ 41.926187] R13: 00007ffcaa7fb200 R14: 000055603f57dbc0 R15: 000055603f58e780 [ 41.927457] [ 41.927879] irq event stamp: 1739 [ 41.928589] hardirqs last enabled at (1749): [] __up_console_sem+0x78/0x80 [ 41.930281] hardirqs last disabled at (1758): [] __up_console_sem+0x5d/0x80 [ 41.931992] softirqs last enabled at (1718): [] handle_softirqs+0x50c/0x770 [ 41.933692] softirqs last disabled at (1711): [] __irq_exit_rcu+0xc4/0x100 [ 41.935526] ---[ end trace 0000000000000000 ]--- [ 42.657775] ------------[ cut here ]------------ [ 42.658282] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 42.659360] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#0: sshd/248 [ 42.660133] Modules linked in: [ 42.660442] CPU: 0 UID: 104 PID: 248 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251118 #1 PREEMPT(voluntary) [ 42.661496] Tainted: [W]=WARN [ 42.661785] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 42.662554] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 42.663015] 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 [ 42.664696] RSP: 0018:ffff88801759fbc0 EFLAGS: 00010286 [ 42.665207] RAX: 0000000000000000 RBX: ffffed1002eb3f78 RCX: ffffffff813a4050 [ 42.665865] RDX: ffff88801b480000 RSI: ffffffff813a405e RDI: 0000000000000001 [ 42.666542] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed1002eb3f2f [ 42.667210] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 42.667864] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff88801759fdf8 [ 42.668548] FS: 00007f4b7b151900(0000) GS:ffff8880e538f000(0000) knlGS:0000000000000000 [ 42.669307] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 42.669849] CR2: 00007f4b7b643580 CR3: 000000000f66d000 CR4: 0000000000350ef0 [ 42.670524] Call Trace: [ 42.670768] [ 42.670984] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 42.671453] ? __create_object+0x59/0x80 [ 42.671845] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 42.672351] __vmalloc_noprof+0x59/0x60 [ 42.672742] bpf_prog_alloc_no_stats+0x55/0x470 [ 42.673197] ? __pfx_seccomp_check_filter+0x10/0x10 [ 42.673663] bpf_prog_alloc+0x39/0x200 [ 42.674030] ? __pfx_seccomp_check_filter+0x10/0x10 [ 42.674510] bpf_prog_create_from_user+0xb2/0x2f0 [ 42.674964] do_seccomp+0x349/0x25e0 [ 42.675337] ? __pfx_css_rstat_updated+0x10/0x10 [ 42.675793] ? __pfx_do_seccomp+0x10/0x10 [ 42.676205] ? find_held_lock+0x2b/0x80 [ 42.676591] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 42.677091] ? static_key_count+0x60/0x80 [ 42.677491] prctl_set_seccomp+0x4e/0x70 [ 42.677887] __do_sys_prctl+0xe6c/0x1d70 [ 42.678300] ? __pfx___do_sys_prctl+0x10/0x10 [ 42.678730] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 42.679235] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 42.679723] ? irqentry_exit+0xf3/0x650 [ 42.680123] do_syscall_64+0xbf/0x430 [ 42.680502] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 42.680986] RIP: 0033:0x7f4b7b6435cd [ 42.681358] 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 [ 42.683072] RSP: 002b:00007ffdce8c0fc0 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 42.683780] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f4b7b6435cd [ 42.684466] RDX: 000055915b1bfe00 RSI: 0000000000000002 RDI: 0000000000000016 [ 42.685163] RBP: 00007ffdce8c1020 R08: 0000000000000000 R09: 00007ffdce8c06c0 [ 42.685832] R10: 0000000000000000 R11: 0000000000000246 R12: 00005591790e9ad0 [ 42.686515] R13: 00007ffdce8c1450 R14: 00005591790eabc0 R15: 00005591790fb780 [ 42.687217] [ 42.687448] irq event stamp: 1635 [ 42.687774] hardirqs last enabled at (1643): [] __up_console_sem+0x78/0x80 [ 42.688605] hardirqs last disabled at (1652): [] __up_console_sem+0x5d/0x80 [ 42.689428] softirqs last enabled at (1614): [] handle_softirqs+0x50c/0x770 [ 42.690248] softirqs last disabled at (1609): [] __irq_exit_rcu+0xc4/0x100 [ 42.691036] ---[ end trace 0000000000000000 ]--- Warning: Permanently added '[localhost]:45874' (ECDSA) to the list of known hosts. 2025/11/18 11:40:02 fuzzer started 2025/11/18 11:40:03 dialing manager at localhost:34383 2025/11/18 11:40:03 checking machine... 2025/11/18 11:40:03 checking revisions... [ 43.458745] kmemleak: Automatic memory scanning thread ended 2025/11/18 11:40:03 testing simple program... [ 43.547426] cgroup: Unknown subsys name 'net' [ 43.597111] cgroup: Unknown subsys name 'cpuset' [ 43.609691] cgroup: Unknown subsys name 'rlimit' executing program executing program executing program VM DIAGNOSIS: 11:40:02 Registers: info registers vcpu 0 RAX=0000000000000001 RBX=ffffed100d9c11af RCX=ffffffff8152d723 RDX=ffffed100d9c11ae RSI=0000000000000004 RDI=ffff88806ce08d70 RBP=ffffed100d9c11ae RSP=ffff88806ce08d28 R8 =0000000000000001 R9 =ffffed100d9c11ae R10=0000000000000003 R11=0000000000000001 R12=ffffffff85f10a28 R13=ffffffff85f10a30 R14=0000000000000000 R15=0000000000000000 RIP=ffffffff81b2d170 RFL=00000097 [--S-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 00007fdca9c0d900 00000000 00000000 GS =0000 ffff8880e538f000 00000000 00000000 LDT=0000 fffffe2c00000000 00000000 00000000 TR =0040 fffffe0000003000 00004087 00008b00 DPL=0 TSS64-busy GDT= fffffe0000001000 0000007f IDT= fffffe0000000000 00000fff CR0=80050033 CR2=00007fdcaa1c4618 CR3=000000001bb84000 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=000000000001e8dd 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=00000206 [-----P-] 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 fffffe2500000000 00000000 00000000 TR =0040 fffffe000004a000 00004087 00008b00 DPL=0 TSS64-busy GDT= fffffe0000048000 0000007f IDT= fffffe0000000000 00000fff CR0=80050033 CR2=000055603f579218 CR3=000000000e639000 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=30343a313120383120766f4e3e36383c XMM01=7365733a646873732878696e755f6d61 XMM02=736f6c63206e6f6973736573203a296e XMM03=5f6d6170203a5d3933325b6468737320 XMM04=6456774875434142334f726f59427469 XMM05=485320415352203a3268737320363932 XMM06=206d6f726620746f6f7220726f662079 XMM07=00000000000000000000000000000000 XMM08=3a677562656420676f6c737973720000 XMM09=00000000000000000000000000000000 XMM10=00000000000000000000000000000000 XMM11=00000000000000000000000000000000 XMM12=00000000000000000000000000000000 XMM13=00000000000000000000000000000000 XMM14=00000000000000000000000000000000 XMM15=00000000000000000000000000000000