syzkaller login: [ 38.993219] ------------[ cut here ]------------ [ 38.994383] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 38.996950] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#0: sshd/233 [ 38.998800] Modules linked in: [ 38.999596] CPU: 0 UID: 104 PID: 233 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251117 #1 PREEMPT(voluntary) [ 39.002235] Tainted: [W]=WARN [ 39.002959] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 39.004864] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 39.006024] 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 [ 39.010048] RSP: 0018:ffff888016637bc0 EFLAGS: 00010286 [ 39.011287] RAX: 0000000000000000 RBX: ffffed1002cc6f78 RCX: ffffffff813a4050 [ 39.012916] RDX: ffff88800f8bb780 RSI: ffffffff813a405e RDI: 0000000000000001 [ 39.014544] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed1002cc6f2f [ 39.016179] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 39.017785] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff888016637df8 [ 39.019456] FS: 00007f6c8c2a6900(0000) GS:ffff8880e538f000(0000) knlGS:0000000000000000 [ 39.021170] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 39.022418] CR2: 00007f6c8c798580 CR3: 000000000e641000 CR4: 0000000000350ef0 [ 39.023950] Call Trace: [ 39.024561] [ 39.025039] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 39.026103] ? __create_object+0x59/0x80 [ 39.027030] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 39.028186] __vmalloc_noprof+0x59/0x60 [ 39.029022] bpf_prog_alloc_no_stats+0x55/0x470 [ 39.030036] ? __pfx_seccomp_check_filter+0x10/0x10 [ 39.031174] bpf_prog_alloc+0x39/0x200 [ 39.031976] ? __pfx_seccomp_check_filter+0x10/0x10 [ 39.033065] bpf_prog_create_from_user+0xb2/0x2f0 [ 39.034152] do_seccomp+0x349/0x25e0 [ 39.034953] ? __pfx_css_rstat_updated+0x10/0x10 [ 39.036016] ? __pfx_do_seccomp+0x10/0x10 [ 39.036932] ? find_held_lock+0x2b/0x80 [ 39.037827] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 39.038969] ? static_key_count+0x60/0x80 [ 39.039897] prctl_set_seccomp+0x4e/0x70 [ 39.040815] __do_sys_prctl+0xe6c/0x1d70 [ 39.041728] ? __pfx___do_sys_prctl+0x10/0x10 [ 39.042738] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 39.043862] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 39.045001] ? irqentry_exit+0xf3/0x650 [ 39.045904] do_syscall_64+0xbf/0x430 [ 39.046792] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 39.047926] RIP: 0033:0x7f6c8c7985cd [ 39.048754] 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 [ 39.052442] RSP: 002b:00007ffced408dd0 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 39.054049] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f6c8c7985cd [ 39.055555] RDX: 000055abbd625e00 RSI: 0000000000000002 RDI: 0000000000000016 [ 39.057058] RBP: 00007ffced408e30 R08: 0000000000000000 R09: 00007ffced4084d0 [ 39.058561] R10: 0000000000000000 R11: 0000000000000246 R12: 000055abc6d26bf0 [ 39.059830] R13: 00007ffced409260 R14: 000055abc6d30380 R15: 000055abc6d3b460 [ 39.060651] [ 39.060919] irq event stamp: 1745 [ 39.061338] hardirqs last enabled at (1755): [] __up_console_sem+0x78/0x80 [ 39.062308] hardirqs last disabled at (1764): [] __up_console_sem+0x5d/0x80 [ 39.063283] softirqs last enabled at (1648): [] handle_softirqs+0x50c/0x770 [ 39.064275] softirqs last disabled at (1783): [] __irq_exit_rcu+0xc4/0x100 [ 39.065223] ---[ end trace 0000000000000000 ]--- [ 41.842860] ------------[ cut here ]------------ [ 41.843785] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 41.845823] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#0: sshd/242 [ 41.847298] Modules linked in: [ 41.847886] CPU: 0 UID: 104 PID: 242 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251117 #1 PREEMPT(voluntary) [ 41.850070] Tainted: [W]=WARN [ 41.850685] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 41.852167] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 41.853032] 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 [ 41.856214] RSP: 0018:ffff888016c0fbc0 EFLAGS: 00010286 [ 41.857201] RAX: 0000000000000000 RBX: ffffed1002d81f78 RCX: ffffffff813a4050 [ 41.858494] RDX: ffff8880148c9bc0 RSI: ffffffff813a405e RDI: 0000000000000001 [ 41.859792] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed1002d81f2f [ 41.861090] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 41.862383] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff888016c0fdf8 [ 41.863683] FS: 00007f5835eb5900(0000) GS:ffff8880e538f000(0000) knlGS:0000000000000000 [ 41.865151] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 41.866218] CR2: 00007f58363a7580 CR3: 000000001046d000 CR4: 0000000000350ef0 [ 41.867533] Call Trace: [ 41.868002] [ 41.868456] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 41.869383] ? __create_object+0x59/0x80 [ 41.870173] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 41.871117] __vmalloc_noprof+0x59/0x60 [ 41.871899] bpf_prog_alloc_no_stats+0x55/0x470 [ 41.872792] ? __pfx_seccomp_check_filter+0x10/0x10 [ 41.873727] bpf_prog_alloc+0x39/0x200 [ 41.874480] ? __pfx_seccomp_check_filter+0x10/0x10 [ 41.875432] bpf_prog_create_from_user+0xb2/0x2f0 [ 41.876344] do_seccomp+0x349/0x25e0 [ 41.877029] ? __pfx_css_rstat_updated+0x10/0x10 [ 41.877937] ? __pfx_do_seccomp+0x10/0x10 [ 41.878731] ? find_held_lock+0x2b/0x80 [ 41.879495] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 41.880477] ? static_key_count+0x60/0x80 [ 41.881281] prctl_set_seccomp+0x4e/0x70 [ 41.882019] __do_sys_prctl+0xe6c/0x1d70 [ 41.882806] ? __pfx___do_sys_prctl+0x10/0x10 [ 41.883668] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 41.884662] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 41.885632] ? irqentry_exit+0xf3/0x650 [ 41.886396] do_syscall_64+0xbf/0x430 [ 41.887106] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 41.888087] RIP: 0033:0x7f58363a75cd [ 41.888810] 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 [ 41.892032] RSP: 002b:00007fff9ddd6c30 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 41.893398] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f58363a75cd [ 41.894708] RDX: 00005600ae5e3e00 RSI: 0000000000000002 RDI: 0000000000000016 [ 41.896004] RBP: 00007fff9ddd6c90 R08: 0000000000000000 R09: 00007fff9ddd6330 [ 41.897295] R10: 0000000000000000 R11: 0000000000000246 R12: 00005600d92d8b10 [ 41.898591] R13: 00007fff9ddd70c0 R14: 00005600d92d92b0 R15: 00005600d92ed6f0 [ 41.899899] [ 41.900378] irq event stamp: 1753 [ 41.900988] hardirqs last enabled at (1761): [] __up_console_sem+0x78/0x80 [ 41.902527] hardirqs last disabled at (1770): [] __up_console_sem+0x5d/0x80 [ 41.904046] softirqs last enabled at (1664): [] handle_softirqs+0x50c/0x770 [ 41.905627] softirqs last disabled at (1789): [] __irq_exit_rcu+0xc4/0x100 [ 41.907097] ---[ end trace 0000000000000000 ]--- [ 42.628535] ------------[ cut here ]------------ [ 42.629507] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 42.631555] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#0: sshd/249 [ 42.633057] Modules linked in: [ 42.633687] CPU: 0 UID: 104 PID: 249 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251117 #1 PREEMPT(voluntary) [ 42.635725] Tainted: [W]=WARN [ 42.636332] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 42.637803] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 42.638730] 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 [ 42.641951] RSP: 0018:ffff8880149c7bc0 EFLAGS: 00010286 [ 42.642952] RAX: 0000000000000000 RBX: ffffed1002938f78 RCX: ffffffff813a4050 [ 42.644229] RDX: ffff88801982b780 RSI: ffffffff813a405e RDI: 0000000000000001 [ 42.645499] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed1002938f2f [ 42.646818] R10: 0000000000000000 R11: 0000000000000001 R12: 0000000000400dc0 [ 42.648107] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff8880149c7df8 [ 42.649415] FS: 00007fded4b65900(0000) GS:ffff8880e538f000(0000) knlGS:0000000000000000 [ 42.650860] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 42.651925] CR2: 00007fded5057580 CR3: 000000001fb3b000 CR4: 0000000000350ef0 [ 42.653218] Call Trace: [ 42.653683] [ 42.654090] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 42.655015] ? __create_object+0x59/0x80 [ 42.655802] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 42.656793] __vmalloc_noprof+0x59/0x60 [ 42.657553] bpf_prog_alloc_no_stats+0x55/0x470 [ 42.658447] ? __pfx_seccomp_check_filter+0x10/0x10 [ 42.659417] bpf_prog_alloc+0x39/0x200 [ 42.660172] ? __pfx_seccomp_check_filter+0x10/0x10 [ 42.661051] bpf_prog_create_from_user+0xb2/0x2f0 [ 42.661948] do_seccomp+0x349/0x25e0 [ 42.662675] ? __pfx_css_rstat_updated+0x10/0x10 [ 42.663580] ? __pfx_do_seccomp+0x10/0x10 [ 42.664373] ? find_held_lock+0x2b/0x80 [ 42.665087] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 42.666057] ? static_key_count+0x60/0x80 [ 42.666875] prctl_set_seccomp+0x4e/0x70 [ 42.667671] __do_sys_prctl+0xe6c/0x1d70 [ 42.668458] ? __pfx___do_sys_prctl+0x10/0x10 [ 42.669314] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 42.670279] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 42.671332] ? irqentry_exit+0xf3/0x650 [ 42.672073] do_syscall_64+0xbf/0x430 [ 42.672832] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 42.673800] RIP: 0033:0x7fded50575cd [ 42.674509] 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 [ 42.677739] RSP: 002b:00007ffcd7f15010 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 42.679174] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007fded50575cd [ 42.680475] RDX: 000055f01e6ace00 RSI: 0000000000000002 RDI: 0000000000000016 [ 42.681765] RBP: 00007ffcd7f15070 R08: 0000000000000000 R09: 00007ffcd7f14710 [ 42.683069] R10: 0000000000000000 R11: 0000000000000246 R12: 000055f044f94ad0 [ 42.684385] R13: 00007ffcd7f154a0 R14: 000055f044f95bc0 R15: 000055f044fa6780 [ 42.685678] [ 42.686105] irq event stamp: 1753 [ 42.686787] hardirqs last enabled at (1763): [] __up_console_sem+0x78/0x80 [ 42.688306] hardirqs last disabled at (1772): [] __up_console_sem+0x5d/0x80 [ 42.689833] softirqs last enabled at (1732): [] handle_softirqs+0x50c/0x770 [ 42.691417] softirqs last disabled at (1727): [] __irq_exit_rcu+0xc4/0x100 [ 42.692915] ---[ end trace 0000000000000000 ]--- Warning: Permanently added '[localhost]:55074' (ECDSA) to the list of known hosts. 2025/11/17 18:48:07 fuzzer started 2025/11/17 18:48:08 dialing manager at localhost:37895 2025/11/17 18:48:08 checking machine... 2025/11/17 18:48:08 checking revisions... [ 43.567433] kmemleak: Automatic memory scanning thread ended 2025/11/17 18:48:08 testing simple program... [ 43.644258] cgroup: Unknown subsys name 'net' [ 43.690949] cgroup: Unknown subsys name 'cpuset' [ 43.712640] cgroup: Unknown subsys name 'rlimit' executing program executing program executing program VM DIAGNOSIS: 18:48:07 Registers: info registers vcpu 0 RAX=0000000080000000 RBX=ffff88801fbeb2d0 RCX=ffffffff817d97d6 RDX=0000000000000000 RSI=0000000000000008 RDI=ffff88806ce31cd0 RBP=ffff88806ce38140 RSP=ffff888016d2f8b8 R8 =0000000000000000 R9 =0000000000000001 R10=ffffffff8664f657 R11=0000000000000000 R12=ffff88806ce38260 R13=0000000000000014 R14=ffff88806ce38230 R15=ffff88806ce381e8 RIP=ffffffff81526d4b RFL=00000002 [-------] 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 00007f5835eb5900 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=00007f583646c618 CR3=000000000e51a000 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=563412feff00545000000000000080fe 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=dffffc0000000000 RBX=ffff88801602f558 RCX=ffff88801602f3e4 RDX=1ffff11002c05ebe RSI=ffffffff81bcf6fa RDI=ffff88801602f564 RBP=ffff88801602f5f0 RSP=ffff88801602f470 R8 =0000000000000001 R9 =ffff88801602f4d0 R10=000000000003c9ed R11=0000000000027fd2 R12=ffff88801602f558 R13=0000000000000000 R14=ffff888016030000 R15=ffff888009462140 RIP=ffffffff81619077 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 00007f2eeb5ee900 00000000 00000000 GS =0000 ffff8880e548f000 00000000 00000000 LDT=0000 fffffe5a00000000 00000000 00000000 TR =0040 fffffe000004a000 00004087 00008b00 DPL=0 TSS64-busy GDT= fffffe0000048000 0000007f IDT= fffffe0000000000 00000fff CR0=80050033 CR2=00007f2eead05000 CR3=000000000a225000 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=886776f548e02ecf00000000000ae988 XMM05=f78d546b82858e440000000000320f20 XMM06=090f1556b20111b3000000000031fdb8 XMM07=fb795ef6d6577056000000000030fd58 XMM08=4f5453444600273d67736d000d0a0920 XMM09=00000000000000000000000000000000 XMM10=20200000000020202020202020200000 XMM11=00000000000000000000000000000000 XMM12=00000000000000000000000000000000 XMM13=00000000000000000000000000000000 XMM14=00000000000000000000000000000000 XMM15=00000000000000000000000000000000