syzkaller login: [ 39.436592] ------------[ cut here ]------------ [ 39.437595] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 39.439763] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#0: sshd/232 [ 39.441336] Modules linked in: [ 39.441968] CPU: 0 UID: 104 PID: 232 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251117 #1 PREEMPT(voluntary) [ 39.444119] Tainted: [W]=WARN [ 39.444759] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 39.446340] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 39.447325] 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 [ 39.450768] RSP: 0018:ffff88800ab1fbc0 EFLAGS: 00010286 [ 39.451910] RAX: 0000000000000000 RBX: ffffed1001563f78 RCX: ffffffff813a4050 [ 39.453519] RDX: ffff888016ecd340 RSI: ffffffff813a405e RDI: 0000000000000001 [ 39.454909] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed1001563f2f [ 39.456312] R10: 0000000000000000 R11: 0000000000000001 R12: 0000000000400dc0 [ 39.457675] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff88800ab1fdf8 [ 39.459020] FS: 00007ff1a5cec900(0000) GS:ffff8880e538f000(0000) knlGS:0000000000000000 [ 39.460594] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 39.461739] CR2: 00007fff20ea4ef7 CR3: 000000000d896000 CR4: 0000000000350ef0 [ 39.463142] Call Trace: [ 39.463691] [ 39.464144] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 39.465142] ? __create_object+0x59/0x80 [ 39.466012] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 39.467028] __vmalloc_noprof+0x59/0x60 [ 39.467848] bpf_prog_alloc_no_stats+0x55/0x470 [ 39.468810] ? __pfx_seccomp_check_filter+0x10/0x10 [ 39.469835] bpf_prog_alloc+0x39/0x200 [ 39.470635] ? __pfx_seccomp_check_filter+0x10/0x10 [ 39.471609] bpf_prog_create_from_user+0xb2/0x2f0 [ 39.472603] do_seccomp+0x349/0x25e0 [ 39.473398] ? find_held_lock+0x2b/0x80 [ 39.474232] ? do_prlimit+0x310/0x610 [ 39.475003] ? __pfx_do_seccomp+0x10/0x10 [ 39.475890] ? do_raw_spin_unlock+0x53/0x220 [ 39.476816] ? _raw_spin_unlock+0x1e/0x40 [ 39.477687] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 39.478762] ? static_key_count+0x60/0x80 [ 39.479641] prctl_set_seccomp+0x4e/0x70 [ 39.480492] __do_sys_prctl+0xe6c/0x1d70 [ 39.481360] ? __pfx___do_sys_prctl+0x10/0x10 [ 39.482320] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 39.483414] ? irqentry_exit+0xf3/0x650 [ 39.484153] do_syscall_64+0xbf/0x430 [ 39.484963] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 39.486025] RIP: 0033:0x7ff1a61de5cd [ 39.486806] 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 [ 39.490091] RSP: 002b:00007fff20ea2e50 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 39.491482] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007ff1a61de5cd [ 39.492786] RDX: 000055f7a8606e00 RSI: 0000000000000002 RDI: 0000000000000016 [ 39.494079] RBP: 00007fff20ea2eb0 R08: 0000000000000000 R09: 00007fff20ea2550 [ 39.495378] R10: 0000000000000000 R11: 0000000000000246 R12: 000055f7d29a7ad0 [ 39.496675] R13: 00007fff20ea32e0 R14: 000055f7d29a8bc0 R15: 000055f7d29b9780 [ 39.498003] [ 39.498474] irq event stamp: 1773 [ 39.499081] hardirqs last enabled at (1781): [] __up_console_sem+0x78/0x80 [ 39.500626] hardirqs last disabled at (1790): [] __up_console_sem+0x5d/0x80 [ 39.502145] softirqs last enabled at (1710): [] handle_softirqs+0x50c/0x770 [ 39.503730] softirqs last disabled at (1705): [] __irq_exit_rcu+0xc4/0x100 [ 39.505102] ---[ end trace 0000000000000000 ]--- [ 42.450356] ------------[ cut here ]------------ [ 42.451268] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 42.453362] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#0: sshd/240 [ 42.454811] Modules linked in: [ 42.455453] CPU: 0 UID: 104 PID: 240 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251117 #1 PREEMPT(voluntary) [ 42.457670] Tainted: [W]=WARN [ 42.458332] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 42.459830] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 42.460752] 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 [ 42.463950] RSP: 0018:ffff888017dd7bc0 EFLAGS: 00010286 [ 42.464943] RAX: 0000000000000000 RBX: ffffed1002fbaf78 RCX: ffffffff813a4050 [ 42.466228] RDX: ffff88801ab0b780 RSI: ffffffff813a405e RDI: 0000000000000001 [ 42.467523] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed1002fbaf2f [ 42.468813] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 42.470118] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff888017dd7df8 [ 42.471422] FS: 00007f7121207900(0000) GS:ffff8880e538f000(0000) knlGS:0000000000000000 [ 42.472890] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 42.473975] CR2: 00007ffc3d219ef7 CR3: 0000000020c71000 CR4: 0000000000350ef0 [ 42.475261] Call Trace: [ 42.475744] [ 42.476200] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 42.477070] ? __create_object+0x59/0x80 [ 42.477857] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 42.478816] __vmalloc_noprof+0x59/0x60 [ 42.479601] bpf_prog_alloc_no_stats+0x55/0x470 [ 42.480474] ? __pfx_seccomp_check_filter+0x10/0x10 [ 42.481404] bpf_prog_alloc+0x39/0x200 [ 42.482113] ? __pfx_seccomp_check_filter+0x10/0x10 [ 42.483053] bpf_prog_create_from_user+0xb2/0x2f0 [ 42.483957] do_seccomp+0x349/0x25e0 [ 42.484681] ? find_held_lock+0x2b/0x80 [ 42.485448] ? do_prlimit+0x310/0x610 [ 42.486143] ? __pfx_do_seccomp+0x10/0x10 [ 42.486932] ? do_raw_spin_unlock+0x53/0x220 [ 42.487784] ? _raw_spin_unlock+0x1e/0x40 [ 42.488575] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 42.489553] ? static_key_count+0x60/0x80 [ 42.490360] prctl_set_seccomp+0x4e/0x70 [ 42.491108] __do_sys_prctl+0xe6c/0x1d70 [ 42.491906] ? __pfx___do_sys_prctl+0x10/0x10 [ 42.492778] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 42.493757] ? irqentry_exit+0xf3/0x650 [ 42.494538] do_syscall_64+0xbf/0x430 [ 42.495291] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 42.496259] RIP: 0033:0x7f71216f95cd [ 42.496923] 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 [ 42.500116] RSP: 002b:00007ffc3d2177a0 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 42.501501] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f71216f95cd [ 42.502789] RDX: 000055b6fb19fe00 RSI: 0000000000000002 RDI: 0000000000000016 [ 42.504098] RBP: 00007ffc3d217800 R08: 0000000000000000 R09: 00007ffc3d216ea0 [ 42.505387] R10: 0000000000000000 R11: 0000000000000246 R12: 000055b72306aad0 [ 42.506666] R13: 00007ffc3d217c30 R14: 000055b72306bbc0 R15: 000055b72307c780 [ 42.508002] [ 42.508466] irq event stamp: 1883 [ 42.509075] hardirqs last enabled at (1891): [] __up_console_sem+0x78/0x80 [ 42.510601] hardirqs last disabled at (1900): [] __up_console_sem+0x5d/0x80 [ 42.512184] softirqs last enabled at (1764): [] handle_softirqs+0x50c/0x770 [ 42.513747] softirqs last disabled at (1759): [] __irq_exit_rcu+0xc4/0x100 [ 42.515279] ---[ end trace 0000000000000000 ]--- [ 43.254337] ------------[ cut here ]------------ [ 43.255253] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 43.257387] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#1: sshd/247 [ 43.259075] Modules linked in: [ 43.259730] CPU: 1 UID: 104 PID: 247 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251117 #1 PREEMPT(voluntary) [ 43.261700] Tainted: [W]=WARN [ 43.262307] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 43.263765] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 43.264687] 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 [ 43.267882] RSP: 0018:ffff88801a7dfbc0 EFLAGS: 00010286 [ 43.268859] RAX: 0000000000000000 RBX: ffffed10034fbf78 RCX: ffffffff813a4050 [ 43.270134] RDX: ffff888016e4d340 RSI: ffffffff813a405e RDI: 0000000000000001 [ 43.271457] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed10034fbf2f [ 43.272741] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 43.274017] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff88801a7dfdf8 [ 43.275303] FS: 00007fc71aed2900(0000) GS:ffff8880e548f000(0000) knlGS:0000000000000000 [ 43.276754] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 43.277822] CR2: 00007fc71b3c4580 CR3: 0000000020ee1000 CR4: 0000000000350ef0 [ 43.279096] Call Trace: [ 43.279618] [ 43.280027] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 43.280936] ? __create_object+0x59/0x80 [ 43.281728] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 43.282713] __vmalloc_noprof+0x59/0x60 [ 43.283481] bpf_prog_alloc_no_stats+0x55/0x470 [ 43.284371] ? __pfx_seccomp_check_filter+0x10/0x10 [ 43.285317] bpf_prog_alloc+0x39/0x200 [ 43.286012] ? __pfx_seccomp_check_filter+0x10/0x10 [ 43.286945] bpf_prog_create_from_user+0xb2/0x2f0 [ 43.287873] do_seccomp+0x349/0x25e0 [ 43.288594] ? __pfx_css_rstat_updated+0x10/0x10 [ 43.289490] ? __pfx_do_seccomp+0x10/0x10 [ 43.290281] ? find_held_lock+0x2b/0x80 [ 43.290995] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 43.291978] ? static_key_count+0x60/0x80 [ 43.292793] prctl_set_seccomp+0x4e/0x70 [ 43.293569] __do_sys_prctl+0xe6c/0x1d70 [ 43.294368] ? __pfx___do_sys_prctl+0x10/0x10 [ 43.295236] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 43.296234] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 43.297213] ? irqentry_exit+0xf3/0x650 [ 43.297938] do_syscall_64+0xbf/0x430 [ 43.298681] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 43.299656] RIP: 0033:0x7fc71b3c45cd [ 43.300366] 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 [ 43.303584] RSP: 002b:00007ffea8ef18c0 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 43.304949] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007fc71b3c45cd [ 43.306240] RDX: 0000560196d86e00 RSI: 0000000000000002 RDI: 0000000000000016 [ 43.307542] RBP: 00007ffea8ef1920 R08: 0000000000000000 R09: 00007ffea8ef0fc0 [ 43.308822] R10: 0000000000000000 R11: 0000000000000246 R12: 00005601ae585ad0 [ 43.310105] R13: 00007ffea8ef1d50 R14: 00005601ae586bc0 R15: 00005601ae597780 [ 43.311412] [ 43.311847] irq event stamp: 1811 [ 43.312479] hardirqs last enabled at (1821): [] __up_console_sem+0x78/0x80 [ 43.314014] hardirqs last disabled at (1830): [] __up_console_sem+0x5d/0x80 [ 43.315560] softirqs last enabled at (1656): [] handle_softirqs+0x50c/0x770 [ 43.317119] softirqs last disabled at (1651): [] __irq_exit_rcu+0xc4/0x100 [ 43.318668] ---[ end trace 0000000000000000 ]--- Warning: Permanently added '[localhost]:31860' (ECDSA) to the list of known hosts. 2025/11/17 15:13:40 fuzzer started 2025/11/17 15:13:40 dialing manager at localhost:37895 2025/11/17 15:13:40 checking machine... 2025/11/17 15:13:40 checking revisions... [ 44.166789] kmemleak: Automatic memory scanning thread ended 2025/11/17 15:13:40 testing simple program... [ 44.253668] cgroup: Unknown subsys name 'net' [ 44.302526] cgroup: Unknown subsys name 'cpuset' [ 44.315617] cgroup: Unknown subsys name 'rlimit' executing program executing program executing program VM DIAGNOSIS: 15:13:39 Registers: info registers vcpu 0 RAX=0000000000000005 RBX=ffff888009611bc0 RCX=0000000000000001 RDX=0000000000000005 RSI=0000000000000000 RDI=ffffffff85e1ffe0 RBP=ffff888009612618 RSP=ffff888009627670 R8 =0000000000000000 R9 =0000000000000005 R10=0000000000000001 R11=0000000000000000 R12=ffff888009612640 R13=0000000000000003 R14=0000000000000000 R15=0000000000000000 RIP=ffffffff81527128 RFL=00000007 [-----PC] 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 0000000000000000 00000000 00000000 GS =0000 ffff8880e538f000 00000000 00000000 LDT=0000 fffffe4500000000 00000000 00000000 TR =0040 fffffe0000003000 00004087 00008b00 DPL=0 TSS64-busy GDT= fffffe0000001000 0000007f IDT= fffffe0000000000 00000fff CR0=80050033 CR2=00007f71217be618 CR3=0000000020ce4000 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=00000000000210d3 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 fffffe4f00000000 00000000 00000000 TR =0040 fffffe000004a000 00004087 00008b00 DPL=0 TSS64-busy GDT= fffffe0000048000 0000007f IDT= fffffe0000000000 00000fff CR0=80050033 CR2=00007fff2f56efa8 CR3=000000000d7cd000 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=3caeceb05a2ad68d0041fde9465d020a XMM02=2c67c8bc2e329bc30000000000302060 XMM03=fb795ef6d6577056000000000030e2f8 XMM04=775506f933fb679500000000000ae988 XMM05=07c8bb74b6c04a44000000000031ef28 XMM06=d74844bf967d85ba000000000031edb0 XMM07=e042d86d42eb936e000000000030e5d0 XMM08=14e5cff43fed4ce200000000003020c0 XMM09=00000000000000000000000000000000 XMM10=20200000000020202020202020200000 XMM11=00000000000000000000000000000000 XMM12=00000000000000000000000000000000 XMM13=00000000000000000000000000000000 XMM14=00000000000000000000000000000000 XMM15=00000000000000000000000000000000