syzkaller login: [ 46.268028] ------------[ cut here ]------------ [ 46.268934] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 46.271245] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#1: sshd/233 [ 46.272700] Modules linked in: [ 46.273285] CPU: 1 UID: 104 PID: 233 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251117 #1 PREEMPT(voluntary) [ 46.275270] Tainted: [W]=WARN [ 46.275860] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 46.277292] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 46.278196] 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 [ 46.281271] RSP: 0018:ffff88801a70fbc0 EFLAGS: 00010286 [ 46.282214] RAX: 0000000000000000 RBX: ffffed10034e1f78 RCX: ffffffff813a4050 [ 46.283451] RDX: ffff888016dad340 RSI: ffffffff813a405e RDI: 0000000000000001 [ 46.284701] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed10034e1f2f [ 46.285942] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 46.287188] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff88801a70fdf8 [ 46.288448] FS: 00007f44d23ae900(0000) GS:ffff8880e548f000(0000) knlGS:0000000000000000 [ 46.289859] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 46.290899] CR2: 00007f44d29144a6 CR3: 000000001e820000 CR4: 0000000000350ef0 [ 46.292159] Call Trace: [ 46.292657] [ 46.293057] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 46.293929] ? __create_object+0x59/0x80 [ 46.294691] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 46.295627] __vmalloc_noprof+0x59/0x60 [ 46.296324] bpf_prog_alloc_no_stats+0x55/0x470 [ 46.297181] ? __pfx_seccomp_check_filter+0x10/0x10 [ 46.298077] bpf_prog_alloc+0x39/0x200 [ 46.298778] ? __pfx_seccomp_check_filter+0x10/0x10 [ 46.299675] bpf_prog_create_from_user+0xb2/0x2f0 [ 46.300569] do_seccomp+0x349/0x25e0 [ 46.301225] ? find_held_lock+0x2b/0x80 [ 46.301967] ? do_prlimit+0x310/0x610 [ 46.302686] ? __pfx_do_seccomp+0x10/0x10 [ 46.303444] ? do_raw_spin_unlock+0x53/0x220 [ 46.304230] ? _raw_spin_unlock+0x1e/0x40 [ 46.304988] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 46.305929] ? static_key_count+0x60/0x80 [ 46.306699] prctl_set_seccomp+0x4e/0x70 [ 46.307443] __do_sys_prctl+0xe6c/0x1d70 [ 46.308172] ? __pfx___do_sys_prctl+0x10/0x10 [ 46.309005] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 46.309938] ? irqentry_exit+0xf3/0x650 [ 46.310686] do_syscall_64+0xbf/0x430 [ 46.311396] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 46.312284] RIP: 0033:0x7f44d28a05cd [ 46.312975] 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 [ 46.316052] RSP: 002b:00007ffd64b471f0 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 46.317367] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f44d28a05cd [ 46.318624] RDX: 000055a5731e4e00 RSI: 0000000000000002 RDI: 0000000000000016 [ 46.319916] RBP: 00007ffd64b47250 R08: 0000000000000000 R09: 00007ffd64b468f0 [ 46.321274] R10: 0000000000000000 R11: 0000000000000246 R12: 000055a58b325ad0 [ 46.322533] R13: 00007ffd64b47680 R14: 000055a58b326bc0 R15: 000055a58b337780 [ 46.323802] [ 46.324215] irq event stamp: 1697 [ 46.324851] hardirqs last enabled at (1707): [] __up_console_sem+0x78/0x80 [ 46.326353] hardirqs last disabled at (1718): [] __up_console_sem+0x5d/0x80 [ 46.327835] softirqs last enabled at (1676): [] handle_softirqs+0x50c/0x770 [ 46.329323] softirqs last disabled at (1671): [] __irq_exit_rcu+0xc4/0x100 [ 46.330958] ---[ end trace 0000000000000000 ]--- [ 49.139110] ------------[ cut here ]------------ [ 49.140007] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 49.141979] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#1: sshd/241 [ 49.143373] Modules linked in: [ 49.143948] CPU: 1 UID: 104 PID: 241 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251117 #1 PREEMPT(voluntary) [ 49.146088] Tainted: [W]=WARN [ 49.146731] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 49.148156] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 49.149032] 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 [ 49.152082] RSP: 0018:ffff88801a227bc0 EFLAGS: 00010286 [ 49.153017] RAX: 0000000000000000 RBX: ffffed1003444f78 RCX: ffffffff813a4050 [ 49.154243] RDX: ffff888015cbb780 RSI: ffffffff813a405e RDI: 0000000000000001 [ 49.155468] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed1003444f2f [ 49.156707] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 49.157931] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff88801a227df8 [ 49.159155] FS: 00007f955845e900(0000) GS:ffff8880e548f000(0000) knlGS:0000000000000000 [ 49.160544] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 49.161571] CR2: 00007ffd7386eef7 CR3: 00000000206de000 CR4: 0000000000350ef0 [ 49.162800] Call Trace: [ 49.163243] [ 49.163681] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 49.164558] ? __create_object+0x59/0x80 [ 49.165263] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 49.166192] __vmalloc_noprof+0x59/0x60 [ 49.166915] bpf_prog_alloc_no_stats+0x55/0x470 [ 49.167756] ? __pfx_seccomp_check_filter+0x10/0x10 [ 49.168694] bpf_prog_alloc+0x39/0x200 [ 49.169405] ? __pfx_seccomp_check_filter+0x10/0x10 [ 49.170257] bpf_prog_create_from_user+0xb2/0x2f0 [ 49.171117] do_seccomp+0x349/0x25e0 [ 49.171816] ? find_held_lock+0x2b/0x80 [ 49.172558] ? do_prlimit+0x310/0x610 [ 49.173230] ? __pfx_do_seccomp+0x10/0x10 [ 49.173979] ? do_raw_spin_unlock+0x53/0x220 [ 49.174778] ? _raw_spin_unlock+0x1e/0x40 [ 49.175530] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 49.176465] ? static_key_count+0x60/0x80 [ 49.177195] prctl_set_seccomp+0x4e/0x70 [ 49.177937] __do_sys_prctl+0xe6c/0x1d70 [ 49.178742] ? __pfx___do_sys_prctl+0x10/0x10 [ 49.179580] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 49.180535] ? irqentry_exit+0xf3/0x650 [ 49.181238] do_syscall_64+0xbf/0x430 [ 49.181949] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 49.182859] RIP: 0033:0x7f95589505cd [ 49.183544] 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 [ 49.186614] RSP: 002b:00007ffd7386dc20 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 49.187933] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f95589505cd [ 49.189161] RDX: 00005578c1b08e00 RSI: 0000000000000002 RDI: 0000000000000016 [ 49.190390] RBP: 00007ffd7386dc80 R08: 0000000000000000 R09: 00007ffd7386d320 [ 49.191614] R10: 0000000000000000 R11: 0000000000000246 R12: 00005578c350fad0 [ 49.192856] R13: 00007ffd7386e0b0 R14: 00005578c3510bc0 R15: 00005578c3521780 [ 49.194097] [ 49.194546] irq event stamp: 1805 [ 49.195126] hardirqs last enabled at (1813): [] __up_console_sem+0x78/0x80 [ 49.196593] hardirqs last disabled at (1822): [] __up_console_sem+0x5d/0x80 [ 49.198046] softirqs last enabled at (1668): [] handle_softirqs+0x50c/0x770 [ 49.199520] softirqs last disabled at (1663): [] __irq_exit_rcu+0xc4/0x100 [ 49.200809] ---[ end trace 0000000000000000 ]--- [ 49.989648] ------------[ cut here ]------------ [ 49.990585] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 49.992735] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#0: sshd/248 [ 49.994169] Modules linked in: [ 49.994862] CPU: 0 UID: 104 PID: 248 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251117 #1 PREEMPT(voluntary) [ 49.996823] Tainted: [W]=WARN [ 49.997419] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 49.998868] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 49.999771] 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 [ 50.002926] RSP: 0018:ffff88801575fbc0 EFLAGS: 00010286 [ 50.003915] RAX: 0000000000000000 RBX: ffffed1002aebf78 RCX: ffffffff813a4050 [ 50.005197] RDX: ffff88801570b780 RSI: ffffffff813a405e RDI: 0000000000000001 [ 50.006458] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed1002aebf2f [ 50.007727] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 50.009010] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff88801575fdf8 [ 50.010285] FS: 00007fc5cfea3900(0000) GS:ffff8880e538f000(0000) knlGS:0000000000000000 [ 50.011711] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 50.012778] CR2: 00007fc5d0395580 CR3: 000000000d239000 CR4: 0000000000350ef0 [ 50.014045] Call Trace: [ 50.014536] [ 50.014943] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 50.015848] ? __create_object+0x59/0x80 [ 50.016629] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 50.017587] __vmalloc_noprof+0x59/0x60 [ 50.018298] bpf_prog_alloc_no_stats+0x55/0x470 [ 50.019164] ? __pfx_seccomp_check_filter+0x10/0x10 [ 50.020113] bpf_prog_alloc+0x39/0x200 [ 50.020860] ? __pfx_seccomp_check_filter+0x10/0x10 [ 50.021803] bpf_prog_create_from_user+0xb2/0x2f0 [ 50.022713] do_seccomp+0x349/0x25e0 [ 50.023441] ? __pfx_css_rstat_updated+0x10/0x10 [ 50.024318] ? __pfx_do_seccomp+0x10/0x10 [ 50.025120] ? find_held_lock+0x2b/0x80 [ 50.025889] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 50.026866] ? static_key_count+0x60/0x80 [ 50.027678] prctl_set_seccomp+0x4e/0x70 [ 50.028473] __do_sys_prctl+0xe6c/0x1d70 [ 50.029218] ? __pfx___do_sys_prctl+0x10/0x10 [ 50.030078] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 50.031056] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 50.032046] ? irqentry_exit+0xf3/0x650 [ 50.032831] do_syscall_64+0xbf/0x430 [ 50.033576] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 50.034536] RIP: 0033:0x7fc5d03955cd [ 50.035202] 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 [ 50.038407] RSP: 002b:00007ffdcee4c5a0 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 50.039787] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007fc5d03955cd [ 50.041106] RDX: 000055a062182e00 RSI: 0000000000000002 RDI: 0000000000000016 [ 50.042460] RBP: 00007ffdcee4c600 R08: 0000000000000000 R09: 00007ffdcee4bca0 [ 50.043894] R10: 0000000000000000 R11: 0000000000000246 R12: 000055a09e796bf0 [ 50.045206] R13: 00007ffdcee4ca30 R14: 000055a09e7a0380 R15: 000055a09e7ab460 [ 50.046521] [ 50.046948] irq event stamp: 1807 [ 50.047604] hardirqs last enabled at (1817): [] __up_console_sem+0x78/0x80 [ 50.049158] hardirqs last disabled at (1826): [] __up_console_sem+0x5d/0x80 [ 50.050697] softirqs last enabled at (1850): [] handle_softirqs+0x50c/0x770 [ 50.052269] softirqs last disabled at (1835): [] __irq_exit_rcu+0xc4/0x100 [ 50.053802] ---[ end trace 0000000000000000 ]--- Warning: Permanently added '[localhost]:23863' (ECDSA) to the list of known hosts. 2025/11/17 17:32:57 fuzzer started 2025/11/17 17:32:57 dialing manager at localhost:37895 2025/11/17 17:32:57 checking machine... 2025/11/17 17:32:57 checking revisions... [ 50.949001] kmemleak: Automatic memory scanning thread ended 2025/11/17 17:32:57 testing simple program... [ 51.029476] cgroup: Unknown subsys name 'net' [ 51.095557] cgroup: Unknown subsys name 'cpuset' [ 51.107408] cgroup: Unknown subsys name 'rlimit' executing program executing program VM DIAGNOSIS: 17:32:56 Registers: info registers vcpu 0 RAX=ffff88800e53e8e0 RBX=0000000000000000 RCX=ffffffff8152d723 RDX=ffff88800e538ec0 RSI=0000000000000000 RDI=ffff88800e53e7c0 RBP=ffff88800e53e7c0 RSP=ffff88801a6b7d08 R8 =0000000000000001 R9 =ffffed10034d6f92 R10=0000000000000003 R11=0000000000000001 R12=ffff88800e1c8630 R13=0000000000000246 R14=ffff88800e53e7c0 R15=ffff88800945d280 RIP=ffffffff81b61984 RFL=00000086 [--S--P-] 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 00007f955845e900 00000000 00000000 GS =0000 ffff8880e538f000 00000000 00000000 LDT=0000 fffffe7400000000 00000000 00000000 TR =0040 fffffe0000003000 00004087 00008b00 DPL=0 TSS64-busy GDT= fffffe0000001000 0000007f IDT= fffffe0000000000 00000fff CR0=80050033 CR2=00007f9558423008 CR3=0000000020614000 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=2036353a32333a373120373120766f4e XMM01=657463656e6e6f63736944203a5d3034 XMM02=302e303120746f6f722072657375206d XMM03=203a5d3034325b646873732072656c6c XMM04=69662068637573206f4e203a656c6163 XMM05=3a656c696620766e65206e65706f206f XMM06=65733a6468737328766e655f6d617020 XMM07=6b7a79732036353a32333a3731203731 XMM08=30343d7974696c696261706163202279 XMM09=00000000000000000000000000000000 XMM10=00000000000000000000000000000000 XMM11=00000000000000000000000000000000 XMM12=00000000000000000000000000000000 XMM13=00000000000000000000000000000000 XMM14=00000000000000000000000000000000 XMM15=00000000000000000000000000000000 info registers vcpu 1 RAX=0000000017c91fbd RBX=ffff88801c91d340 RCX=00000000282b68d3 RDX=00000000d7c4159d RSI=00000000ef9db6ea RDI=0000000000104185 RBP=ffff88801c91dd98 RSP=ffff88801ca37788 R8 =0000000000000000 R9 =0000000000000000 R10=0000000000000001 R11=0000000000000001 R12=ffff88801c91dd98 R13=00000000ef9db6ea R14=0000000000000000 R15=0000000000000000 RIP=ffffffff815275d3 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 00007ff9c2ab5900 00000000 00000000 GS =0000 ffff8880e548f000 00000000 00000000 LDT=0000 fffffe0e00000000 00000000 00000000 TR =0040 fffffe000004a000 00004087 00008b00 DPL=0 TSS64-busy GDT= fffffe0000048000 0000007f IDT= fffffe0000000000 00000fff CR0=80050033 CR2=00007f06631d3030 CR3=000000000e24b000 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=ffffffffffff00000000000000000000 XMM02=ffffffffffff00000000000000000000 XMM03=00000000000000000000000000000000 XMM04=00000000000000000000000000000000 XMM05=00000000000000000000000000000000 XMM06=00000000000000000000000000000000 XMM07=00000000000000000000000000000000 XMM08=00000000000073707574726174732064 XMM09=00000000000000000000000000000000 XMM10=00000000000000000000000000000000 XMM11=00000000000000000000000000000000 XMM12=00000000000000000000000000000000 XMM13=00000000000000000000000000000000 XMM14=00000000000000000000000000000000 XMM15=00000000000000000000000000000000