syzkaller login: [ 39.001429] ------------[ cut here ]------------ [ 39.002321] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 39.004351] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#1: sshd/232 [ 39.005784] Modules linked in: [ 39.006422] CPU: 1 UID: 104 PID: 232 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251117 #1 PREEMPT(voluntary) [ 39.008399] Tainted: [W]=WARN [ 39.008998] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 39.010466] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 39.011378] 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 [ 39.014558] RSP: 0018:ffff8880165c7bc0 EFLAGS: 00010286 [ 39.015544] RAX: 0000000000000000 RBX: ffffed1002cb8f78 RCX: ffffffff813a4050 [ 39.016819] RDX: ffff88801a365340 RSI: ffffffff813a405e RDI: 0000000000000001 [ 39.018088] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed1002cb8f2f [ 39.019352] R10: 0000000000000000 R11: 0000000000000001 R12: 0000000000400dc0 [ 39.020625] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff8880165c7df8 [ 39.021900] FS: 00007f3042924900(0000) GS:ffff8880e548f000(0000) knlGS:0000000000000000 [ 39.023338] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 39.024424] CR2: 00007f3042e16580 CR3: 000000000e5c8000 CR4: 0000000000350ef0 [ 39.025699] Call Trace: [ 39.026198] [ 39.026604] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 39.027508] ? __create_object+0x59/0x80 [ 39.028297] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 39.029257] __vmalloc_noprof+0x59/0x60 [ 39.030018] bpf_prog_alloc_no_stats+0x55/0x470 [ 39.030855] ? __pfx_seccomp_check_filter+0x10/0x10 [ 39.031787] bpf_prog_alloc+0x39/0x200 [ 39.032520] ? __pfx_seccomp_check_filter+0x10/0x10 [ 39.033436] bpf_prog_create_from_user+0xb2/0x2f0 [ 39.034344] do_seccomp+0x349/0x25e0 [ 39.035071] ? __pfx_css_rstat_updated+0x10/0x10 [ 39.035972] ? __pfx_do_seccomp+0x10/0x10 [ 39.036710] ? find_held_lock+0x2b/0x80 [ 39.037461] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 39.038422] ? static_key_count+0x60/0x80 [ 39.039221] prctl_set_seccomp+0x4e/0x70 [ 39.040004] __do_sys_prctl+0xe6c/0x1d70 [ 39.040744] ? __pfx___do_sys_prctl+0x10/0x10 [ 39.041589] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 39.042558] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 39.043526] ? irqentry_exit+0xf3/0x650 [ 39.044286] do_syscall_64+0xbf/0x430 [ 39.045034] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 39.045978] RIP: 0033:0x7f3042e165cd [ 39.046647] 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 [ 39.049778] RSP: 002b:00007ffc96e1f940 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 39.051148] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f3042e165cd [ 39.052433] RDX: 000055637e8b4e00 RSI: 0000000000000002 RDI: 0000000000000016 [ 39.053697] RBP: 00007ffc96e1f9a0 R08: 0000000000000000 R09: 00007ffc96e1f040 [ 39.054964] R10: 0000000000000000 R11: 0000000000000246 R12: 00005563a13c4ad0 [ 39.056253] R13: 00007ffc96e1fdd0 R14: 00005563a13c5bc0 R15: 00005563a13d6780 [ 39.057572] [ 39.058037] irq event stamp: 1709 [ 39.058655] hardirqs last enabled at (1717): [] __up_console_sem+0x78/0x80 [ 39.060212] hardirqs last disabled at (1726): [] __up_console_sem+0x5d/0x80 [ 39.061722] softirqs last enabled at (1686): [] handle_softirqs+0x50c/0x770 [ 39.063244] softirqs last disabled at (1681): [] __irq_exit_rcu+0xc4/0x100 [ 39.064778] ---[ end trace 0000000000000000 ]--- [ 42.498068] ------------[ cut here ]------------ [ 42.498801] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 42.500479] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#1: sshd/241 [ 42.501700] Modules linked in: [ 42.502230] CPU: 1 UID: 104 PID: 241 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251117 #1 PREEMPT(voluntary) [ 42.503897] Tainted: [W]=WARN [ 42.504395] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 42.505616] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 42.506381] 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 [ 42.509046] RSP: 0018:ffff88801a027bc0 EFLAGS: 00010286 [ 42.509832] RAX: 0000000000000000 RBX: ffffed1003404f78 RCX: ffffffff813a4050 [ 42.510898] RDX: ffff8880165a8000 RSI: ffffffff813a405e RDI: 0000000000000001 [ 42.511971] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed1003404f2f [ 42.513038] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 42.514106] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff88801a027df8 [ 42.515189] FS: 00007f04d1209900(0000) GS:ffff8880e548f000(0000) knlGS:0000000000000000 [ 42.516399] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 42.517282] CR2: 00007f04d176f4a6 CR3: 000000000bbc8000 CR4: 0000000000350ef0 [ 42.518354] Call Trace: [ 42.518745] [ 42.519117] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 42.519836] ? __create_object+0x59/0x80 [ 42.520499] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 42.521320] __vmalloc_noprof+0x59/0x60 [ 42.521919] bpf_prog_alloc_no_stats+0x55/0x470 [ 42.522657] ? __pfx_seccomp_check_filter+0x10/0x10 [ 42.523459] bpf_prog_alloc+0x39/0x200 [ 42.524094] ? __pfx_seccomp_check_filter+0x10/0x10 [ 42.524834] bpf_prog_create_from_user+0xb2/0x2f0 [ 42.525594] do_seccomp+0x349/0x25e0 [ 42.526195] ? find_held_lock+0x2b/0x80 [ 42.526796] ? do_prlimit+0x310/0x610 [ 42.527423] ? __pfx_do_seccomp+0x10/0x10 [ 42.528104] ? do_raw_spin_unlock+0x53/0x220 [ 42.528777] ? _raw_spin_unlock+0x1e/0x40 [ 42.529440] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 42.530248] ? static_key_count+0x60/0x80 [ 42.530897] prctl_set_seccomp+0x4e/0x70 [ 42.531555] __do_sys_prctl+0xe6c/0x1d70 [ 42.532219] ? __pfx___do_sys_prctl+0x10/0x10 [ 42.532897] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 42.533714] ? irqentry_exit+0xf3/0x650 [ 42.534363] do_syscall_64+0xbf/0x430 [ 42.534977] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 42.535753] RIP: 0033:0x7f04d16fb5cd [ 42.536347] 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 [ 42.539005] RSP: 002b:00007ffc5df2a060 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 42.540184] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f04d16fb5cd [ 42.541261] RDX: 0000560c3c99ce00 RSI: 0000000000000002 RDI: 0000000000000016 [ 42.542336] RBP: 00007ffc5df2a0c0 R08: 0000000000000000 R09: 00007ffc5df29760 [ 42.543423] R10: 0000000000000000 R11: 0000000000000246 R12: 0000560c48c4ab10 [ 42.544502] R13: 00007ffc5df2a4f0 R14: 0000560c48c4b2b0 R15: 0000560c48c5f6f0 [ 42.545597] [ 42.545977] irq event stamp: 1703 [ 42.546477] hardirqs last enabled at (1711): [] __up_console_sem+0x78/0x80 [ 42.547757] hardirqs last disabled at (1720): [] __up_console_sem+0x5d/0x80 [ 42.549056] softirqs last enabled at (1736): [] handle_softirqs+0x50c/0x770 [ 42.550370] softirqs last disabled at (1729): [] __irq_exit_rcu+0xc4/0x100 [ 42.551650] ---[ end trace 0000000000000000 ]--- [ 43.340540] ------------[ cut here ]------------ [ 43.341477] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 43.343437] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#0: sshd/248 [ 43.344889] Modules linked in: [ 43.345586] CPU: 0 UID: 104 PID: 248 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251117 #1 PREEMPT(voluntary) [ 43.347589] Tainted: [W]=WARN [ 43.348207] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 43.349687] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 43.350628] 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 [ 43.353861] RSP: 0018:ffff888017c97bc0 EFLAGS: 00010286 [ 43.354833] RAX: 0000000000000000 RBX: ffffed1002f92f78 RCX: ffffffff813a4050 [ 43.356136] RDX: ffff888016a4b780 RSI: ffffffff813a405e RDI: 0000000000000001 [ 43.357420] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed1002f92f2f [ 43.358701] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 43.359990] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff888017c97df8 [ 43.361273] FS: 00007f4aca94a900(0000) GS:ffff8880e538f000(0000) knlGS:0000000000000000 [ 43.362711] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 43.363784] CR2: 00007ffead4e3ef7 CR3: 000000001667b000 CR4: 0000000000350ef0 [ 43.365100] Call Trace: [ 43.365557] [ 43.366007] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 43.366870] ? __create_object+0x59/0x80 [ 43.367662] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 43.368625] __vmalloc_noprof+0x59/0x60 [ 43.369386] bpf_prog_alloc_no_stats+0x55/0x470 [ 43.370273] ? __pfx_seccomp_check_filter+0x10/0x10 [ 43.371216] bpf_prog_alloc+0x39/0x200 [ 43.371973] ? __pfx_seccomp_check_filter+0x10/0x10 [ 43.372856] bpf_prog_create_from_user+0xb2/0x2f0 [ 43.373761] do_seccomp+0x349/0x25e0 [ 43.374483] ? find_held_lock+0x2b/0x80 [ 43.375236] ? do_prlimit+0x310/0x610 [ 43.376000] ? __pfx_do_seccomp+0x10/0x10 [ 43.376734] ? do_raw_spin_unlock+0x53/0x220 [ 43.377576] ? _raw_spin_unlock+0x1e/0x40 [ 43.378352] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 43.379319] ? static_key_count+0x60/0x80 [ 43.380147] prctl_set_seccomp+0x4e/0x70 [ 43.380878] __do_sys_prctl+0xe6c/0x1d70 [ 43.381649] ? __pfx___do_sys_prctl+0x10/0x10 [ 43.382517] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 43.383486] ? irqentry_exit+0xf3/0x650 [ 43.384281] do_syscall_64+0xbf/0x430 [ 43.385045] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 43.386005] RIP: 0033:0x7f4acae3c5cd [ 43.386666] 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 [ 43.389843] RSP: 002b:00007ffead4e20a0 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 43.391210] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f4acae3c5cd [ 43.392522] RDX: 000056305615ae00 RSI: 0000000000000002 RDI: 0000000000000016 [ 43.393800] RBP: 00007ffead4e2100 R08: 0000000000000000 R09: 00007ffead4e17a0 [ 43.395100] R10: 0000000000000000 R11: 0000000000000246 R12: 0000563071c5cad0 [ 43.396400] R13: 00007ffead4e2530 R14: 0000563071c5dbc0 R15: 0000563071c6e780 [ 43.397697] [ 43.398172] irq event stamp: 1805 [ 43.398783] hardirqs last enabled at (1813): [] __up_console_sem+0x78/0x80 [ 43.400310] hardirqs last disabled at (1822): [] __up_console_sem+0x5d/0x80 [ 43.401836] softirqs last enabled at (1688): [] handle_softirqs+0x50c/0x770 [ 43.403390] softirqs last disabled at (1683): [] __irq_exit_rcu+0xc4/0x100 [ 43.404915] ---[ end trace 0000000000000000 ]--- Warning: Permanently added '[localhost]:44585' (ECDSA) to the list of known hosts. 2025/11/18 07:32:36 fuzzer started 2025/11/18 07:32:36 dialing manager at localhost:37895 2025/11/18 07:32:36 checking machine... 2025/11/18 07:32:36 checking revisions... [ 44.301923] kmemleak: Automatic memory scanning thread ended 2025/11/18 07:32:36 testing simple program... [ 44.385112] cgroup: Unknown subsys name 'net' [ 44.444056] cgroup: Unknown subsys name 'cpuset' [ 44.461136] cgroup: Unknown subsys name 'rlimit' executing program executing program VM DIAGNOSIS: 07:32:35 Registers: info registers vcpu 0 RAX=00007f04d16fc366 RBX=0000000000000001 RCX=0000000000000001 RDX=ffff888016a30001 RSI=ffff888016a2ff58 RDI=ffff888016a2ffd8 RBP=ffff888016a2f680 RSP=ffff888016a2f5b8 R8 =ffffffff869d7fd6 R9 =0000000000000000 R10=000000000003c9ed R11=0000000000000003 R12=ffff888016a2f688 R13=ffff888016a2f670 R14=ffff888016a2ff58 R15=ffff888016a2f628 RIP=ffffffff8135f12a 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 00007f04d1209900 00000000 00000000 GS =0000 ffff8880e538f000 00000000 00000000 LDT=0000 fffffe5800000000 00000000 00000000 TR =0040 fffffe0000003000 00004087 00008b00 DPL=0 TSS64-busy GDT= fffffe0000001000 0000007f IDT= fffffe0000000000 00000fff CR0=80050033 CR2=00007ffc5df24000 CR3=000000001e0fe000 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=635f6e6f69737365733a4d41503d706f XMM01=6f6c5f6d61702c78756e696c65735f6d XMM02=61702c74696d7265705f6d61702c7469 XMM03=655f6d61702c7374696d696c5f6d6170 XMM04=3d6c616e696d72657420322e322e302e XMM05=3d656d616e74736f682022646873732f XMM06=746f6f72223d746363612078756e696c XMM07=6e655f6d61702c7374696d696c5f6d61 XMM08=652075253d64692073253d706f000000 XMM09=00000000000000000000000000000000 XMM10=00000000000000000000000000000000 XMM11=00000000000000000000000000000000 XMM12=00000000000000000000000000000000 XMM13=00000000000000000000000000000000 XMM14=00000000000000000000000000000000 XMM15=00000000000000000000000000000000 info registers vcpu 1 RAX=0000000000025331 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=00007f80b42b2000 CR3=000000000d223000 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=2035333a32333a373020383120766f4e XMM01=73732878696e755f6d6170203a5d3034 XMM02=65736f6c63206e6f6973736573203a29 XMM03=755f6d6170203a5d3034325b64687373 XMM04=69662068637573206f4e203a656c6163 XMM05=3a656c696620766e65206e65706f206f XMM06=65733a6468737328766e655f6d617020 XMM07=6b7a79732035333a32333a3730203831 XMM08=30343d7974696c696261706163202279 XMM09=00000000000000000000000000000000 XMM10=00000000000000000000000000000000 XMM11=00000000000000000000000000000000 XMM12=00000000000000000000000000000000 XMM13=00000000000000000000000000000000 XMM14=00000000000000000000000000000000 XMM15=00000000000000000000000000000000