syzkaller login: [ 46.759998] ------------[ cut here ]------------ [ 46.760788] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 46.762915] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#0: sshd/237 [ 46.764153] Modules linked in: [ 46.764800] CPU: 0 UID: 104 PID: 237 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251117 #1 PREEMPT(voluntary) [ 46.766853] Tainted: [W]=WARN [ 46.767435] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 46.768917] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 46.769903] 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 [ 46.772862] RSP: 0018:ffff88801c007bc0 EFLAGS: 00010286 [ 46.773897] RAX: 0000000000000000 RBX: ffffed1003800f78 RCX: ffffffff813a4050 [ 46.775208] RDX: ffff888018fa1bc0 RSI: ffffffff813a405e RDI: 0000000000000001 [ 46.776577] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed1003800f2f [ 46.777718] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 46.779086] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff88801c007df8 [ 46.780439] FS: 00007f9971d52900(0000) GS:ffff8880e538f000(0000) knlGS:0000000000000000 [ 46.781720] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 46.782841] CR2: 00007f9972244580 CR3: 000000000cecd000 CR4: 0000000000350ef0 [ 46.784089] Call Trace: [ 46.784602] [ 46.785094] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 46.786065] ? __create_object+0x59/0x80 [ 46.786924] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 46.787973] __vmalloc_noprof+0x59/0x60 [ 46.788811] bpf_prog_alloc_no_stats+0x55/0x470 [ 46.789766] ? __pfx_seccomp_check_filter+0x10/0x10 [ 46.790747] bpf_prog_alloc+0x39/0x200 [ 46.791503] ? __pfx_seccomp_check_filter+0x10/0x10 [ 46.792514] bpf_prog_create_from_user+0xb2/0x2f0 [ 46.793491] do_seccomp+0x349/0x25e0 [ 46.794261] ? __pfx_css_rstat_updated+0x10/0x10 [ 46.795249] ? __pfx_do_seccomp+0x10/0x10 [ 46.796102] ? find_held_lock+0x2b/0x80 [ 46.796938] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 46.797991] ? static_key_count+0x60/0x80 [ 46.798864] prctl_set_seccomp+0x4e/0x70 [ 46.799649] __do_sys_prctl+0xe6c/0x1d70 [ 46.800524] ? __pfx___do_sys_prctl+0x10/0x10 [ 46.801449] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 46.802485] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 46.803531] ? irqentry_exit+0xf3/0x650 [ 46.804406] do_syscall_64+0xbf/0x430 [ 46.805226] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 46.806228] RIP: 0033:0x7f99722445cd [ 46.807007] 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 [ 46.810341] RSP: 002b:00007ffe4b7b6770 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 46.811708] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f99722445cd [ 46.812992] RDX: 000055653930fe00 RSI: 0000000000000002 RDI: 0000000000000016 [ 46.814263] RBP: 00007ffe4b7b67d0 R08: 0000000000000000 R09: 00007ffe4b7b5e70 [ 46.815523] R10: 0000000000000000 R11: 0000000000000246 R12: 000055654cb49ad0 [ 46.816811] R13: 00007ffe4b7b6c00 R14: 000055654cb4abc0 R15: 000055654cb5b780 [ 46.818099] [ 46.818523] irq event stamp: 1737 [ 46.819167] hardirqs last enabled at (1747): [] __up_console_sem+0x78/0x80 [ 46.820679] hardirqs last disabled at (1756): [] __up_console_sem+0x5d/0x80 [ 46.822207] softirqs last enabled at (1716): [] handle_softirqs+0x50c/0x770 [ 46.823728] softirqs last disabled at (1709): [] __irq_exit_rcu+0xc4/0x100 [ 46.825229] ---[ end trace 0000000000000000 ]--- [ 50.299193] ------------[ cut here ]------------ [ 50.300244] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 50.302566] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#1: sshd/244 [ 50.304237] Modules linked in: [ 50.305230] CPU: 1 UID: 104 PID: 244 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251117 #1 PREEMPT(voluntary) [ 50.307362] Tainted: [W]=WARN [ 50.307981] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 50.309550] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 50.310572] 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 [ 50.314076] RSP: 0018:ffff88801b867bc0 EFLAGS: 00010286 [ 50.315126] RAX: 0000000000000000 RBX: ffffed100370cf78 RCX: ffffffff813a4050 [ 50.316440] RDX: ffff888018d1d340 RSI: ffffffff813a405e RDI: 0000000000000001 [ 50.317740] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed100370cf2f [ 50.319023] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 50.320340] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff88801b867df8 [ 50.321626] FS: 00007f6f75321900(0000) GS:ffff8880e548f000(0000) knlGS:0000000000000000 [ 50.323185] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 50.324471] CR2: 00007f6f75813580 CR3: 000000000d59a000 CR4: 0000000000350ef0 [ 50.325847] Call Trace: [ 50.326376] [ 50.326846] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 50.327794] ? __create_object+0x59/0x80 [ 50.328625] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 50.329726] __vmalloc_noprof+0x59/0x60 [ 50.330500] bpf_prog_alloc_no_stats+0x55/0x470 [ 50.331497] ? __pfx_seccomp_check_filter+0x10/0x10 [ 50.332519] bpf_prog_alloc+0x39/0x200 [ 50.333380] ? __pfx_seccomp_check_filter+0x10/0x10 [ 50.334445] bpf_prog_create_from_user+0xb2/0x2f0 [ 50.335512] do_seccomp+0x349/0x25e0 [ 50.336304] ? __pfx_css_rstat_updated+0x10/0x10 [ 50.337340] ? __pfx_do_seccomp+0x10/0x10 [ 50.338296] ? find_held_lock+0x2b/0x80 [ 50.339170] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 50.340207] ? static_key_count+0x60/0x80 [ 50.341083] prctl_set_seccomp+0x4e/0x70 [ 50.341948] __do_sys_prctl+0xe6c/0x1d70 [ 50.342809] ? __pfx___do_sys_prctl+0x10/0x10 [ 50.343634] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 50.344656] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 50.345735] ? irqentry_exit+0xf3/0x650 [ 50.346555] do_syscall_64+0xbf/0x430 [ 50.347416] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 50.348551] RIP: 0033:0x7f6f758135cd [ 50.349376] 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 [ 50.352768] RSP: 002b:00007fff99596750 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 50.354324] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f6f758135cd [ 50.355793] RDX: 000055c687a5fe00 RSI: 0000000000000002 RDI: 0000000000000016 [ 50.357246] RBP: 00007fff995967b0 R08: 0000000000000000 R09: 00007fff99595e50 [ 50.358679] R10: 0000000000000000 R11: 0000000000000246 R12: 000055c6be0982b0 [ 50.360085] R13: 00007fff99596be0 R14: 000055c6be09ad20 R15: 000055c6be0ac8d0 [ 50.361516] [ 50.362084] irq event stamp: 1879 [ 50.362840] hardirqs last enabled at (1889): [] __up_console_sem+0x78/0x80 [ 50.364427] hardirqs last disabled at (1898): [] __up_console_sem+0x5d/0x80 [ 50.365833] softirqs last enabled at (1866): [] handle_softirqs+0x50c/0x770 [ 50.367184] softirqs last disabled at (1851): [] __irq_exit_rcu+0xc4/0x100 [ 50.368600] ---[ end trace 0000000000000000 ]--- [ 51.208503] ------------[ cut here ]------------ [ 51.209411] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 51.211405] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#1: sshd/251 [ 51.212948] Modules linked in: [ 51.213562] CPU: 1 UID: 104 PID: 251 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251117 #1 PREEMPT(voluntary) [ 51.216034] Tainted: [W]=WARN [ 51.216631] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 51.218477] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 51.219451] 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 [ 51.222754] RSP: 0018:ffff888017217bc0 EFLAGS: 00010286 [ 51.223794] RAX: 0000000000000000 RBX: ffffed1002e42f78 RCX: ffffffff813a4050 [ 51.225174] RDX: ffff88801a1f5340 RSI: ffffffff813a405e RDI: 0000000000000001 [ 51.226529] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed1002e42f2f [ 51.227879] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 51.229198] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff888017217df8 [ 51.230503] FS: 00007fdc49c27900(0000) GS:ffff8880e548f000(0000) knlGS:0000000000000000 [ 51.231986] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 51.233001] CR2: 00007ffea9655ef7 CR3: 000000000f600000 CR4: 0000000000350ef0 [ 51.234076] Call Trace: [ 51.234456] [ 51.234831] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 51.235527] ? __create_object+0x59/0x80 [ 51.236203] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 51.237007] __vmalloc_noprof+0x59/0x60 [ 51.237595] bpf_prog_alloc_no_stats+0x55/0x470 [ 51.238305] ? __pfx_seccomp_check_filter+0x10/0x10 [ 51.239063] bpf_prog_alloc+0x39/0x200 [ 51.239636] ? __pfx_seccomp_check_filter+0x10/0x10 [ 51.240411] bpf_prog_create_from_user+0xb2/0x2f0 [ 51.241151] do_seccomp+0x349/0x25e0 [ 51.241754] ? find_held_lock+0x2b/0x80 [ 51.242348] ? do_prlimit+0x310/0x610 [ 51.242962] ? __pfx_do_seccomp+0x10/0x10 [ 51.243569] ? do_raw_spin_unlock+0x53/0x220 [ 51.244272] ? _raw_spin_unlock+0x1e/0x40 [ 51.244922] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 51.245684] ? static_key_count+0x60/0x80 [ 51.246348] prctl_set_seccomp+0x4e/0x70 [ 51.246989] __do_sys_prctl+0xe6c/0x1d70 [ 51.247598] ? __pfx___do_sys_prctl+0x10/0x10 [ 51.248318] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 51.249130] ? irqentry_exit+0xf3/0x650 [ 51.249771] do_syscall_64+0xbf/0x430 [ 51.250339] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 51.251132] RIP: 0033:0x7fdc4a1195cd [ 51.251674] 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 [ 51.254324] RSP: 002b:00007ffea96538e0 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 51.255456] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007fdc4a1195cd [ 51.256534] RDX: 00005617244f4e00 RSI: 0000000000000002 RDI: 0000000000000016 [ 51.257588] RBP: 00007ffea9653940 R08: 0000000000000000 R09: 00007ffea9652fe0 [ 51.258644] R10: 0000000000000000 R11: 0000000000000246 R12: 0000561725f7ead0 [ 51.259715] R13: 00007ffea9653d70 R14: 0000561725f7fbc0 R15: 0000561725f90780 [ 51.260796] [ 51.261142] irq event stamp: 1849 [ 51.261631] hardirqs last enabled at (1857): [] __up_console_sem+0x78/0x80 [ 51.262900] hardirqs last disabled at (1866): [] __up_console_sem+0x5d/0x80 [ 51.264151] softirqs last enabled at (1440): [] handle_softirqs+0x50c/0x770 [ 51.265435] softirqs last disabled at (1425): [] __irq_exit_rcu+0xc4/0x100 [ 51.266682] ---[ end trace 0000000000000000 ]--- Warning: Permanently added '[localhost]:26026' (ECDSA) to the list of known hosts. 2025/11/17 15:32:01 fuzzer started 2025/11/17 15:32:01 dialing manager at localhost:37895 2025/11/17 15:32:01 checking machine... 2025/11/17 15:32:01 checking revisions... [ 52.196397] kmemleak: Automatic memory scanning thread ended 2025/11/17 15:32:01 testing simple program... [ 52.290294] cgroup: Unknown subsys name 'net' [ 52.354465] cgroup: Unknown subsys name 'cpuset' [ 52.375188] cgroup: Unknown subsys name 'rlimit' executing program executing program VM DIAGNOSIS: 15:32:00 Registers: info registers vcpu 0 RAX=00000000a9267483 RBX=ffff888018db9bc0 RCX=4b952e4d00000000 RDX=00000000915d54c6 RSI=000000005e406224 RDI=0000000000104185 RBP=ffff888018dba618 RSP=ffff88801b757540 R8 =0000000000000000 R9 =0000000000000000 R10=0000000000000001 R11=0000000000000001 R12=ffff888018dba618 R13=00000000ef9db6ea R14=0000000000000000 R15=0000000000000000 RIP=ffffffff815275e7 RFL=00000016 [----AP-] 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 00007f6f75321900 00000000 00000000 GS =0000 ffff8880e538f000 00000000 00000000 LDT=0000 fffffe4300000000 00000000 00000000 TR =0040 fffffe0000003000 00004087 00008b00 DPL=0 TSS64-busy GDT= fffffe0000001000 0000007f IDT= fffffe0000000000 00000fff CR0=80050033 CR2=00007f6f758d8618 CR3=00000000205fe000 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=0000000000000000 RBX=0000000000000001 RCX=ffffffff81c1932a RDX=ffff888018fdd340 RSI=0000000000000000 RDI=0000000000000001 RBP=ffff888017386a80 RSP=ffff88801b5578b8 R8 =0000000000000001 R9 =ffffed1002e70d7c R10=0000000000000001 R11=0000000000000001 R12=dffffc0000000000 R13=ffff8880174e03c0 R14=ffff8880174e04f8 R15=0000000000000003 RIP=ffffffff81751606 RFL=00000246 [---Z-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 00007f7164d94700 00000000 00000000 GS =0000 ffff8880e548f000 00000000 00000000 LDT=0000 fffffe5100000000 00000000 00000000 TR =0040 fffffe000004a000 00004087 00008b00 DPL=0 TSS64-busy GDT= fffffe0000048000 0000007f IDT= fffffe0000000000 00000fff CR0=80050033 CR2=00007ffec0656668 CR3=000000000d548000 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=756f6a2f646d65747379732f6e75722f XMM01=00676f6c7379732f6c616e72756f6a2f XMM02=756f6a2f646d65747379732f6e75722f XMM03=006c616e72756f6a2f646d6574737973 XMM04=38232106e2f5941000000000000ae988 XMM05=1a1cb21ccff7230100000000003226c0 XMM06=0394861f14684e590000000000321578 XMM07=fb795ef6d65770560000000000312668 XMM08=4f5453444600273d67736d000d0a0920 XMM09=00000000000000000000000000000000 XMM10=20200000000020202020202020200000 XMM11=00000000000000000000000000000000 XMM12=00000000000000000000000000000000 XMM13=00000000000000000000000000000000 XMM14=00000000000000000000000000000000 XMM15=00000000000000000000000000000000