syzkaller login: [ 46.218812] ------------[ cut here ]------------ [ 46.219749] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 46.221839] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#0: sshd/233 [ 46.223302] Modules linked in: [ 46.223910] CPU: 0 UID: 104 PID: 233 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251117 #1 PREEMPT(voluntary) [ 46.226130] Tainted: [W]=WARN [ 46.226821] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 46.228304] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 46.229180] 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 [ 46.232399] RSP: 0018:ffff88800aa27bc0 EFLAGS: 00010286 [ 46.233393] RAX: 0000000000000000 RBX: ffffed1001544f78 RCX: ffffffff813a4050 [ 46.234714] RDX: ffff888016cd8000 RSI: ffffffff813a405e RDI: 0000000000000001 [ 46.236006] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed1001544f2f [ 46.237315] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 46.238631] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff88800aa27df8 [ 46.239937] FS: 00007f80c97cc900(0000) GS:ffff8880e538f000(0000) knlGS:0000000000000000 [ 46.241396] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 46.242500] CR2: 00007ffcc5781ef7 CR3: 0000000009b83000 CR4: 0000000000350ef0 [ 46.243831] Call Trace: [ 46.244353] [ 46.244771] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 46.245687] ? __create_object+0x59/0x80 [ 46.246499] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 46.247477] __vmalloc_noprof+0x59/0x60 [ 46.248189] bpf_prog_alloc_no_stats+0x55/0x470 [ 46.249100] ? __pfx_seccomp_check_filter+0x10/0x10 [ 46.250035] bpf_prog_alloc+0x39/0x200 [ 46.250778] ? __pfx_seccomp_check_filter+0x10/0x10 [ 46.251705] bpf_prog_create_from_user+0xb2/0x2f0 [ 46.252637] do_seccomp+0x349/0x25e0 [ 46.253381] ? find_held_lock+0x2b/0x80 [ 46.254100] ? do_prlimit+0x310/0x610 [ 46.254840] ? __pfx_do_seccomp+0x10/0x10 [ 46.255620] ? do_raw_spin_unlock+0x53/0x220 [ 46.256473] ? _raw_spin_unlock+0x1e/0x40 [ 46.257222] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 46.258199] ? static_key_count+0x60/0x80 [ 46.259012] prctl_set_seccomp+0x4e/0x70 [ 46.259803] __do_sys_prctl+0xe6c/0x1d70 [ 46.260615] ? __pfx___do_sys_prctl+0x10/0x10 [ 46.261486] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 46.262461] ? irqentry_exit+0xf3/0x650 [ 46.263192] do_syscall_64+0xbf/0x430 [ 46.263934] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 46.264921] RIP: 0033:0x7f80c9cbe5cd [ 46.265628] 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 [ 46.268784] RSP: 002b:00007ffcc57803f0 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 46.270143] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f80c9cbe5cd [ 46.271419] RDX: 000055642787ce00 RSI: 0000000000000002 RDI: 0000000000000016 [ 46.272718] RBP: 00007ffcc5780450 R08: 0000000000000000 R09: 00007ffcc577faf0 [ 46.273993] R10: 0000000000000000 R11: 0000000000000246 R12: 0000556442527ad0 [ 46.275292] R13: 00007ffcc5780880 R14: 0000556442528bc0 R15: 0000556442539780 [ 46.276611] [ 46.277042] irq event stamp: 1813 [ 46.277694] hardirqs last enabled at (1823): [] __up_console_sem+0x78/0x80 [ 46.279208] hardirqs last disabled at (1832): [] __up_console_sem+0x5d/0x80 [ 46.280774] softirqs last enabled at (1370): [] handle_softirqs+0x50c/0x770 [ 46.282329] softirqs last disabled at (1365): [] __irq_exit_rcu+0xc4/0x100 [ 46.283857] ---[ end trace 0000000000000000 ]--- [ 49.818431] ------------[ cut here ]------------ [ 49.819365] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 49.821408] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#0: sshd/242 [ 49.822860] Modules linked in: [ 49.823506] CPU: 0 UID: 104 PID: 242 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251117 #1 PREEMPT(voluntary) [ 49.825553] Tainted: [W]=WARN [ 49.826107] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 49.827586] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 49.828497] 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 [ 49.831647] RSP: 0018:ffff888016c7fbc0 EFLAGS: 00010286 [ 49.832631] RAX: 0000000000000000 RBX: ffffed1002d8ff78 RCX: ffffffff813a4050 [ 49.833907] RDX: ffff888016300000 RSI: ffffffff813a405e RDI: 0000000000000001 [ 49.835179] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed1002d8ff2f [ 49.836476] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 49.837759] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff888016c7fdf8 [ 49.839033] FS: 00007f64a11be900(0000) GS:ffff8880e538f000(0000) knlGS:0000000000000000 [ 49.840495] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 49.841580] CR2: 00007ffd88cabef7 CR3: 0000000020606000 CR4: 0000000000350ef0 [ 49.842862] Call Trace: [ 49.843356] [ 49.843774] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 49.844685] ? __create_object+0x59/0x80 [ 49.845469] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 49.846437] __vmalloc_noprof+0x59/0x60 [ 49.847146] bpf_prog_alloc_no_stats+0x55/0x470 [ 49.848029] ? __pfx_seccomp_check_filter+0x10/0x10 [ 49.848964] bpf_prog_alloc+0x39/0x200 [ 49.849695] ? __pfx_seccomp_check_filter+0x10/0x10 [ 49.850635] bpf_prog_create_from_user+0xb2/0x2f0 [ 49.851535] do_seccomp+0x349/0x25e0 [ 49.852220] ? find_held_lock+0x2b/0x80 [ 49.852990] ? do_prlimit+0x310/0x610 [ 49.853740] ? __pfx_do_seccomp+0x10/0x10 [ 49.854523] ? do_raw_spin_unlock+0x53/0x220 [ 49.855355] ? _raw_spin_unlock+0x1e/0x40 [ 49.856093] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 49.857043] ? static_key_count+0x60/0x80 [ 49.857823] prctl_set_seccomp+0x4e/0x70 [ 49.858597] __do_sys_prctl+0xe6c/0x1d70 [ 49.859371] ? __pfx___do_sys_prctl+0x10/0x10 [ 49.860193] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 49.861169] ? irqentry_exit+0xf3/0x650 [ 49.861923] do_syscall_64+0xbf/0x430 [ 49.862663] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 49.863621] RIP: 0033:0x7f64a16b05cd [ 49.864331] 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 [ 49.867499] RSP: 002b:00007ffd88caad70 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 49.868754] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f64a16b05cd [ 49.869827] RDX: 000055f54805fe00 RSI: 0000000000000002 RDI: 0000000000000016 [ 49.870897] RBP: 00007ffd88caadd0 R08: 0000000000000000 R09: 00007ffd88caa470 [ 49.871954] R10: 0000000000000000 R11: 0000000000000246 R12: 000055f54ce882b0 [ 49.873032] R13: 00007ffd88cab200 R14: 000055f54ce8ad20 R15: 000055f54ce9c8d0 [ 49.874104] [ 49.874488] irq event stamp: 1723 [ 49.874984] hardirqs last enabled at (1731): [] __up_console_sem+0x78/0x80 [ 49.876274] hardirqs last disabled at (1740): [] __up_console_sem+0x5d/0x80 [ 49.877545] softirqs last enabled at (1614): [] handle_softirqs+0x50c/0x770 [ 49.878821] softirqs last disabled at (1609): [] __irq_exit_rcu+0xc4/0x100 [ 49.880074] ---[ end trace 0000000000000000 ]--- [ 50.676194] ------------[ cut here ]------------ [ 50.677093] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 50.679080] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#1: sshd/249 [ 50.680521] Modules linked in: [ 50.681095] CPU: 1 UID: 104 PID: 249 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251117 #1 PREEMPT(voluntary) [ 50.683047] Tainted: [W]=WARN [ 50.683628] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 50.685080] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 50.685979] 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 [ 50.689369] RSP: 0018:ffff8880199e7bc0 EFLAGS: 00010286 [ 50.690397] RAX: 0000000000000000 RBX: ffffed100333cf78 RCX: ffffffff813a4050 [ 50.691663] RDX: ffff888015f8b780 RSI: ffffffff813a405e RDI: 0000000000000001 [ 50.692936] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed100333cf2f [ 50.694203] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 50.695485] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff8880199e7df8 [ 50.696752] FS: 00007fb0d2de5900(0000) GS:ffff8880e548f000(0000) knlGS:0000000000000000 [ 50.698169] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 50.699220] CR2: 00007fb0d32d7580 CR3: 000000000d57e000 CR4: 0000000000350ef0 [ 50.700493] Call Trace: [ 50.700949] [ 50.701401] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 50.702270] ? __create_object+0x59/0x80 [ 50.702999] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 50.703954] __vmalloc_noprof+0x59/0x60 [ 50.704708] bpf_prog_alloc_no_stats+0x55/0x470 [ 50.705569] ? __pfx_seccomp_check_filter+0x10/0x10 [ 50.706489] bpf_prog_alloc+0x39/0x200 [ 50.707175] ? __pfx_seccomp_check_filter+0x10/0x10 [ 50.708102] bpf_prog_create_from_user+0xb2/0x2f0 [ 50.708985] do_seccomp+0x349/0x25e0 [ 50.709702] ? __pfx_css_rstat_updated+0x10/0x10 [ 50.710582] ? __pfx_do_seccomp+0x10/0x10 [ 50.711370] ? find_held_lock+0x2b/0x80 [ 50.712077] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 50.713023] ? static_key_count+0x60/0x80 [ 50.713810] prctl_set_seccomp+0x4e/0x70 [ 50.714581] __do_sys_prctl+0xe6c/0x1d70 [ 50.715356] ? __pfx___do_sys_prctl+0x10/0x10 [ 50.716161] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 50.717099] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 50.718048] ? irqentry_exit+0xf3/0x650 [ 50.718795] do_syscall_64+0xbf/0x430 [ 50.719501] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 50.720445] RIP: 0033:0x7fb0d32d75cd [ 50.721098] 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 [ 50.724213] RSP: 002b:00007fff32dbcb70 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 50.725573] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007fb0d32d75cd [ 50.726819] RDX: 00005609c649ce00 RSI: 0000000000000002 RDI: 0000000000000016 [ 50.728086] RBP: 00007fff32dbcbd0 R08: 0000000000000000 R09: 00007fff32dbc270 [ 50.729351] R10: 0000000000000000 R11: 0000000000000246 R12: 00005609d95822b0 [ 50.730614] R13: 00007fff32dbd000 R14: 00005609d9584d20 R15: 00005609d95968d0 [ 50.731885] [ 50.732352] irq event stamp: 1807 [ 50.732949] hardirqs last enabled at (1815): [] __up_console_sem+0x78/0x80 [ 50.734438] hardirqs last disabled at (1824): [] __up_console_sem+0x5d/0x80 [ 50.735925] softirqs last enabled at (1446): [] handle_softirqs+0x50c/0x770 [ 50.737472] softirqs last disabled at (1441): [] __irq_exit_rcu+0xc4/0x100 [ 50.738959] ---[ end trace 0000000000000000 ]--- Warning: Permanently added '[localhost]:44344' (ECDSA) to the list of known hosts. 2025/11/18 07:47:14 fuzzer started 2025/11/18 07:47:15 dialing manager at localhost:37895 2025/11/18 07:47:15 checking machine... 2025/11/18 07:47:15 checking revisions... [ 51.750468] kmemleak: Automatic memory scanning thread ended 2025/11/18 07:47:15 testing simple program... [ 51.840767] cgroup: Unknown subsys name 'net' [ 51.911912] cgroup: Unknown subsys name 'cpuset' [ 51.929058] cgroup: Unknown subsys name 'rlimit' executing program executing program VM DIAGNOSIS: 07:47:14 Registers: info registers vcpu 0 RAX=0000000000040efb RBX=0000000000000000 RCX=ffffffff84c72d57 RDX=0000000000000000 RSI=0000000000000000 RDI=ffffffff814d2c90 RBP=dffffc0000000000 RSP=ffffffff85c07e00 R8 =0000000000000001 R9 =ffffed100d9c639a R10=ffff88806ce31cd3 R11=0000000000000001 R12=ffffffff8664f650 R13=1ffffffff0b80fc7 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 ffff8880e538f000 00000000 00000000 LDT=0000 fffffe2400000000 00000000 00000000 TR =0040 fffffe0000003000 00004087 00008b00 DPL=0 TSS64-busy GDT= fffffe0000001000 0000007f IDT= fffffe0000000000 00000fff CR0=80050033 CR2=00007ffedc25ca78 CR3=0000000005c8a000 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=00007f9e2730b510000055acdfac9790 XMM02=6f6974707972636e6561737268746977 XMM03=00000000000000000000000000777074 XMM04=40404040404040404040404040404040 XMM05=5a5a5a5a5a5a5a5a5a5a5a5a5a5a5a5a XMM06=20202020202020202020202020202020 XMM07=ffffffffffff00ffffff00ffffff00ff XMM08=00002000000000202020002020200000 XMM09=ffffffffffff00ffffff00ffffff00ff XMM10=00002000000000202020002020200000 XMM11=00000000000000000000000000000000 XMM12=00000000000000000000000000000000 XMM13=00000000000000000000000000000000 XMM14=00000000000000000000000000000000 XMM15=00000000000000000000000000000000 info registers vcpu 1 RAX=0000000000000001 RBX=ffff888016c0fd80 RCX=0000000000000053 RDX=ffffed100330930b RSI=000055f54ceb0f40 RDI=ffff888019849800 RBP=0000000000000053 RSP=ffff888016c0fa08 R8 =0000000000000001 R9 =ffffed100330930a R10=ffff888019849852 R11=0000000000000001 R12=000055f54ceb0f40 R13=ffff888016c0fd88 R14=00007ffffffff000 R15=ffff888019849800 RIP=ffffffff84c5e304 RFL=00040202 [-------] 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 00007f64a11be900 00000000 00000000 GS =0000 ffff8880e548f000 00000000 00000000 LDT=0000 fffffe3d00000000 00000000 00000000 TR =0040 fffffe000004a000 00004087 00008b00 DPL=0 TSS64-busy GDT= fffffe0000048000 0000007f IDT= fffffe0000000000 00000fff CR0=80050033 CR2=00007f64a1773650 CR3=000000000e510000 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=000000000000000000000000000000ff XMM02=000000000000000000000000000000ff XMM03=5320444f4854454d5f54505952434e45 XMM04=40404040404040404040404040404040 XMM05=5a5a5a5a5a5a5a5a5a5a5a5a5a5a5a5a XMM06=20202020202020202020202020202020 XMM07=00000000000000000000000000000000 XMM08=ffbc64ffffbc44ffffbc34ffffbc9f00 XMM09=00000000000000000000000000000000 XMM10=00000000000000000000000000000000 XMM11=00000000000000000000000000000000 XMM12=00000000000000000000000000000000 XMM13=00000000000000000000000000000000 XMM14=00000000000000000000000000000000 XMM15=00000000000000000000000000000000