syzkaller login: [ 39.036594] ------------[ cut here ]------------ [ 39.037585] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 39.039587] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#1: sshd/233 [ 39.041068] Modules linked in: [ 39.041679] CPU: 1 UID: 104 PID: 233 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251118 #1 PREEMPT(voluntary) [ 39.043891] Tainted: [W]=WARN [ 39.044764] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 39.046277] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 39.047209] 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 [ 39.050426] RSP: 0018:ffff888015c2fbc0 EFLAGS: 00010286 [ 39.051413] RAX: 0000000000000000 RBX: ffffed1002b85f78 RCX: ffffffff813a4050 [ 39.052699] RDX: ffff88801a158000 RSI: ffffffff813a405e RDI: 0000000000000001 [ 39.054004] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed1002b85f2f [ 39.055291] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 39.056589] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff888015c2fdf8 [ 39.057892] FS: 00007fd4d0f8f900(0000) GS:ffff8880e548f000(0000) knlGS:0000000000000000 [ 39.059334] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 39.060392] CR2: 00007ffd28e16ef8 CR3: 000000000e27b000 CR4: 0000000000350ef0 [ 39.061690] Call Trace: [ 39.062191] [ 39.062605] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 39.063501] ? __create_object+0x59/0x80 [ 39.064286] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 39.065268] __vmalloc_noprof+0x59/0x60 [ 39.065991] bpf_prog_alloc_no_stats+0x55/0x470 [ 39.066860] ? __pfx_seccomp_check_filter+0x10/0x10 [ 39.067785] bpf_prog_alloc+0x39/0x200 [ 39.068533] ? __pfx_seccomp_check_filter+0x10/0x10 [ 39.069487] bpf_prog_create_from_user+0xb2/0x2f0 [ 39.070383] do_seccomp+0x349/0x25e0 [ 39.071101] ? find_held_lock+0x2b/0x80 [ 39.071833] ? do_prlimit+0x310/0x610 [ 39.072591] ? __pfx_do_seccomp+0x10/0x10 [ 39.073398] ? do_raw_spin_unlock+0x53/0x220 [ 39.074218] ? _raw_spin_unlock+0x1e/0x40 [ 39.074953] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 39.075918] ? static_key_count+0x60/0x80 [ 39.076718] prctl_set_seccomp+0x4e/0x70 [ 39.077513] __do_sys_prctl+0xe6c/0x1d70 [ 39.078307] ? __pfx___do_sys_prctl+0x10/0x10 [ 39.079149] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 39.080103] ? irqentry_exit+0xf3/0x650 [ 39.080822] do_syscall_64+0xbf/0x430 [ 39.081588] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 39.082522] RIP: 0033:0x7fd4d14815cd [ 39.083245] 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 [ 39.086421] RSP: 002b:00007ffd28e14940 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 39.087775] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007fd4d14815cd [ 39.089058] RDX: 0000558aeb835e00 RSI: 0000000000000002 RDI: 0000000000000016 [ 39.090360] RBP: 00007ffd28e149a0 R08: 0000000000000000 R09: 00007ffd28e14040 [ 39.091629] R10: 0000000000000000 R11: 0000000000000246 R12: 0000558aef6e4bf0 [ 39.092912] R13: 00007ffd28e14dd0 R14: 0000558aef6ee380 R15: 0000558aef6f9460 [ 39.094235] [ 39.094676] irq event stamp: 1855 [ 39.095318] hardirqs last enabled at (1865): [] __up_console_sem+0x78/0x80 [ 39.096842] hardirqs last disabled at (1874): [] __up_console_sem+0x5d/0x80 [ 39.098383] softirqs last enabled at (1652): [] handle_softirqs+0x50c/0x770 [ 39.099927] softirqs last disabled at (1647): [] __irq_exit_rcu+0xc4/0x100 [ 39.101458] ---[ end trace 0000000000000000 ]--- [ 42.410903] ------------[ cut here ]------------ [ 42.411850] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 42.413882] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#0: sshd/241 [ 42.415490] Modules linked in: [ 42.416168] CPU: 0 UID: 104 PID: 241 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251118 #1 PREEMPT(voluntary) [ 42.418308] Tainted: [W]=WARN [ 42.418893] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 42.420412] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 42.421389] 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 [ 42.424599] RSP: 0018:ffff88801702fbc0 EFLAGS: 00010286 [ 42.425653] RAX: 0000000000000000 RBX: ffffed1002e05f78 RCX: ffffffff813a4050 [ 42.426956] RDX: ffff88800f38b780 RSI: ffffffff813a405e RDI: 0000000000000001 [ 42.428276] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed1002e05f2f [ 42.429608] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 42.430927] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff88801702fdf8 [ 42.432262] FS: 00007f6660eb2900(0000) GS:ffff8880e538f000(0000) knlGS:0000000000000000 [ 42.433744] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 42.434839] CR2: 00007f66613a4580 CR3: 000000000df33000 CR4: 0000000000350ef0 [ 42.436188] Call Trace: [ 42.436650] [ 42.437151] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 42.438021] ? __create_object+0x59/0x80 [ 42.438815] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 42.439815] __vmalloc_noprof+0x59/0x60 [ 42.440635] bpf_prog_alloc_no_stats+0x55/0x470 [ 42.441610] ? __pfx_seccomp_check_filter+0x10/0x10 [ 42.442576] bpf_prog_alloc+0x39/0x200 [ 42.443337] ? __pfx_seccomp_check_filter+0x10/0x10 [ 42.444304] bpf_prog_create_from_user+0xb2/0x2f0 [ 42.445261] do_seccomp+0x349/0x25e0 [ 42.445947] ? __pfx_css_rstat_updated+0x10/0x10 [ 42.446884] ? __pfx_do_seccomp+0x10/0x10 [ 42.447714] ? find_held_lock+0x2b/0x80 [ 42.448517] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 42.449525] ? static_key_count+0x60/0x80 [ 42.450356] prctl_set_seccomp+0x4e/0x70 [ 42.451170] __do_sys_prctl+0xe6c/0x1d70 [ 42.451912] ? __pfx___do_sys_prctl+0x10/0x10 [ 42.452803] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 42.453828] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 42.454832] ? irqentry_exit+0xf3/0x650 [ 42.455630] do_syscall_64+0xbf/0x430 [ 42.456417] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 42.457415] RIP: 0033:0x7f66613a45cd [ 42.458153] 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 [ 42.461408] RSP: 002b:00007ffdc5eb6890 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 42.462813] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f66613a45cd [ 42.464161] RDX: 00005569370cbe00 RSI: 0000000000000002 RDI: 0000000000000016 [ 42.465503] RBP: 00007ffdc5eb68f0 R08: 0000000000000000 R09: 00007ffdc5eb5f90 [ 42.466824] R10: 0000000000000000 R11: 0000000000000246 R12: 00005569409d0ad0 [ 42.468233] R13: 00007ffdc5eb6d20 R14: 00005569409d1bc0 R15: 00005569409e2780 [ 42.469579] [ 42.470023] irq event stamp: 1813 [ 42.470681] hardirqs last enabled at (1823): [] __up_console_sem+0x78/0x80 [ 42.472243] hardirqs last disabled at (1832): [] __up_console_sem+0x5d/0x80 [ 42.473763] softirqs last enabled at (1792): [] handle_softirqs+0x50c/0x770 [ 42.475124] softirqs last disabled at (1781): [] __irq_exit_rcu+0xc4/0x100 [ 42.476453] ---[ end trace 0000000000000000 ]--- [ 43.468914] ------------[ cut here ]------------ [ 43.470066] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 43.472091] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#0: sshd/250 [ 43.473559] Modules linked in: [ 43.474480] CPU: 0 UID: 104 PID: 250 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251118 #1 PREEMPT(voluntary) [ 43.476677] Tainted: [W]=WARN [ 43.477297] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 43.478772] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 43.479717] 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 [ 43.482906] RSP: 0018:ffff8880170cfbc0 EFLAGS: 00010286 [ 43.483879] RAX: 0000000000000000 RBX: ffffed1002e19f78 RCX: ffffffff813a4050 [ 43.485212] RDX: ffff88801a185340 RSI: ffffffff813a405e RDI: 0000000000000001 [ 43.486497] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed1002e19f2f [ 43.487792] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 43.489108] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff8880170cfdf8 [ 43.490404] FS: 00007f24df34e900(0000) GS:ffff8880e538f000(0000) knlGS:0000000000000000 [ 43.491846] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 43.492922] CR2: 00007ffdc3c02ef8 CR3: 000000000d9f7000 CR4: 0000000000350ef0 [ 43.494242] Call Trace: [ 43.494701] [ 43.495142] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 43.495992] ? __create_object+0x59/0x80 [ 43.496774] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 43.497791] __vmalloc_noprof+0x59/0x60 [ 43.498565] bpf_prog_alloc_no_stats+0x55/0x470 [ 43.499446] ? __pfx_seccomp_check_filter+0x10/0x10 [ 43.500380] bpf_prog_alloc+0x39/0x200 [ 43.501100] ? __pfx_seccomp_check_filter+0x10/0x10 [ 43.502011] bpf_prog_create_from_user+0xb2/0x2f0 [ 43.502936] do_seccomp+0x349/0x25e0 [ 43.503668] ? find_held_lock+0x2b/0x80 [ 43.504418] ? do_prlimit+0x310/0x610 [ 43.505182] ? __pfx_do_seccomp+0x10/0x10 [ 43.505933] ? do_raw_spin_unlock+0x53/0x220 [ 43.506789] ? _raw_spin_unlock+0x1e/0x40 [ 43.507581] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 43.508549] ? static_key_count+0x60/0x80 [ 43.509389] prctl_set_seccomp+0x4e/0x70 [ 43.510182] __do_sys_prctl+0xe6c/0x1d70 [ 43.510914] ? __pfx___do_sys_prctl+0x10/0x10 [ 43.511776] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 43.512752] ? irqentry_exit+0xf3/0x650 [ 43.513564] do_syscall_64+0xbf/0x430 [ 43.514331] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 43.515297] RIP: 0033:0x7f24df8405cd [ 43.515951] 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 [ 43.519150] RSP: 002b:00007ffdc3c01cc0 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 43.520550] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f24df8405cd [ 43.522062] RDX: 000055e2565e8e00 RSI: 0000000000000002 RDI: 0000000000000016 [ 43.523548] RBP: 00007ffdc3c01d20 R08: 0000000000000000 R09: 00007ffdc3c013c0 [ 43.525023] R10: 0000000000000000 R11: 0000000000000246 R12: 000055e289817b10 [ 43.526396] R13: 00007ffdc3c02150 R14: 000055e2898182b0 R15: 000055e28982c6f0 [ 43.527688] [ 43.528143] irq event stamp: 1901 [ 43.528740] hardirqs last enabled at (1909): [] __up_console_sem+0x78/0x80 [ 43.530264] hardirqs last disabled at (1918): [] __up_console_sem+0x5d/0x80 [ 43.531761] softirqs last enabled at (1780): [] handle_softirqs+0x50c/0x770 [ 43.533305] softirqs last disabled at (1775): [] __irq_exit_rcu+0xc4/0x100 [ 43.534847] ---[ end trace 0000000000000000 ]--- Warning: Permanently added '[localhost]:57837' (ECDSA) to the list of known hosts. 2025/11/18 10:57:52 fuzzer started 2025/11/18 10:57:52 dialing manager at localhost:34383 2025/11/18 10:57:52 checking machine... 2025/11/18 10:57:52 checking revisions... [ 44.470304] kmemleak: Automatic memory scanning thread ended 2025/11/18 10:57:52 testing simple program... [ 44.549026] cgroup: Unknown subsys name 'net' [ 44.618843] cgroup: Unknown subsys name 'cpuset' [ 44.631954] cgroup: Unknown subsys name 'rlimit' executing program executing program VM DIAGNOSIS: 10:57:51 Registers: info registers vcpu 0 RAX=dffffc0000000000 RBX=0000000000000000 RCX=1873d26939013e0c RDX=1873d26939013e0c RSI=00000000f9d33c56 RDI=ffff88801ec695c8 RBP=ffff88801ec695c8 RSP=ffff88806ce08dc8 R8 =0000000000000001 R9 =0000000000000000 R10=0000000000000000 R11=0000000000000001 R12=0000000000000202 R13=0000000000000000 R14=ffff8880188c42f0 R15=ffff888009462280 RIP=ffffffff8152d60e RFL=00000082 [--S----] 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 00007f6660eb2900 00000000 00000000 GS =0000 ffff8880e538f000 00000000 00000000 LDT=0000 fffffe7c00000000 00000000 00000000 TR =0040 fffffe0000003000 00004087 00008b00 DPL=0 TSS64-busy GDT= fffffe0000001000 0000007f IDT= fffffe0000000000 00000fff CR0=80050033 CR2=00007f6661469618 CR3=000000001ec46000 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=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=000000000002a25b 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 fffffe6b00000000 00000000 00000000 TR =0040 fffffe000004a000 00004087 00008b00 DPL=0 TSS64-busy GDT= fffffe0000048000 0000007f IDT= fffffe0000000000 00000fff CR0=80050033 CR2=00007ffcdcdc07d8 CR3=000000000de35000 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=49cda9a7259d5bafaf43a3b748b1a4a2 XMM02=ec2efd57dc4c00df0000000000304ec8 XMM03=188cb5bdc8a6aac40000000000304f98 XMM04=09ab39f3d4d5a86c00000000000ae988 XMM05=2782a6cbecf0e3170000000000322930 XMM06=474038aa6c007e1f0000000000321d58 XMM07=e042d86d42eb936e0000000000312590 XMM08=188cb5bdc8a6aac40000000000304f98 XMM09=00000000000000000000000000000000 XMM10=00000000000000000000000000000000 XMM11=00000000000000000000000000000000 XMM12=00000000000000000000000000000000 XMM13=00000000000000000000000000000000 XMM14=00000000000000000000000000000000 XMM15=00000000000000000000000000000000