syzkaller login: [ 45.825560] ------------[ cut here ]------------ [ 45.826484] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 45.828505] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#0: sshd/230 [ 45.830169] Modules linked in: [ 45.830757] CPU: 0 UID: 104 PID: 230 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251118 #1 PREEMPT(voluntary) [ 45.832720] Tainted: [W]=WARN [ 45.833318] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 45.834767] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 45.835669] Code: e0 ad 11 00 81 e6 1f 52 ee ff 89 4c 24 40 89 74 24 30 90 48 c7 c7 40 38 f1 84 4c 8d 44 24 40 48 8d 54 24 30 e8 30 7b 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 [ 45.838794] RSP: 0018:ffff888015cc7bc0 EFLAGS: 00010286 [ 45.839769] RAX: 0000000000000000 RBX: ffffed1002b98f78 RCX: ffffffff813a4050 [ 45.841038] RDX: ffff888015fc9bc0 RSI: ffffffff813a405e RDI: 0000000000000001 [ 45.842308] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed1002b98f2f [ 45.843574] R10: 0000000000000000 R11: 0000000000000001 R12: 0000000000400dc0 [ 45.844863] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff888015cc7df8 [ 45.846148] FS: 00007fe300506900(0000) GS:ffff8880e538f000(0000) knlGS:0000000000000000 [ 45.847577] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 45.848641] CR2: 00007fe3009f8580 CR3: 000000000df86000 CR4: 0000000000350ef0 [ 45.849918] Call Trace: [ 45.850373] [ 45.850778] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 45.851670] ? __create_object+0x59/0x80 [ 45.852448] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 45.853413] __vmalloc_noprof+0x59/0x60 [ 45.854160] bpf_prog_alloc_no_stats+0x55/0x470 [ 45.855023] ? __pfx_seccomp_check_filter+0x10/0x10 [ 45.855956] bpf_prog_alloc+0x39/0x200 [ 45.856637] ? __pfx_seccomp_check_filter+0x10/0x10 [ 45.857555] bpf_prog_create_from_user+0xb2/0x2f0 [ 45.858431] do_seccomp+0x349/0x25e0 [ 45.859144] ? __pfx_css_rstat_updated+0x10/0x10 [ 45.860051] ? __pfx_do_seccomp+0x10/0x10 [ 45.860785] ? find_held_lock+0x2b/0x80 [ 45.861538] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 45.862485] ? static_key_count+0x60/0x80 [ 45.863278] prctl_set_seccomp+0x4e/0x70 [ 45.864065] __do_sys_prctl+0xe6c/0x1d70 [ 45.864794] ? __pfx___do_sys_prctl+0x10/0x10 [ 45.865629] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 45.866586] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 45.867548] ? irqentry_exit+0xf3/0x650 [ 45.868320] do_syscall_64+0xbf/0x430 [ 45.869052] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 45.869997] RIP: 0033:0x7fe3009f85cd [ 45.870655] 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 [ 45.873805] RSP: 002b:00007ffcb8935e00 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 45.875198] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007fe3009f85cd [ 45.876471] RDX: 0000556cf3beee00 RSI: 0000000000000002 RDI: 0000000000000016 [ 45.877728] RBP: 00007ffcb8935e60 R08: 0000000000000000 R09: 00007ffcb8935500 [ 45.879008] R10: 0000000000000000 R11: 0000000000000246 R12: 0000556cffb66ad0 [ 45.880290] R13: 00007ffcb8936290 R14: 0000556cffb67bc0 R15: 0000556cffb78780 [ 45.881585] [ 45.882062] irq event stamp: 1749 [ 45.882664] hardirqs last enabled at (1757): [] __up_console_sem+0x78/0x80 [ 45.884185] hardirqs last disabled at (1766): [] __up_console_sem+0x5d/0x80 [ 45.885684] softirqs last enabled at (1716): [] handle_softirqs+0x50c/0x770 [ 45.887207] softirqs last disabled at (1711): [] __irq_exit_rcu+0xc4/0x100 [ 45.888706] ---[ end trace 0000000000000000 ]--- [ 49.184401] ------------[ cut here ]------------ [ 49.185345] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 49.187302] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#0: sshd/239 [ 49.188780] Modules linked in: [ 49.189416] CPU: 0 UID: 104 PID: 239 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251118 #1 PREEMPT(voluntary) [ 49.191392] Tainted: [W]=WARN [ 49.192007] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 49.193467] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 49.194370] Code: e0 ad 11 00 81 e6 1f 52 ee ff 89 4c 24 40 89 74 24 30 90 48 c7 c7 40 38 f1 84 4c 8d 44 24 40 48 8d 54 24 30 e8 30 7b 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 [ 49.197532] RSP: 0018:ffff88801c807bc0 EFLAGS: 00010286 [ 49.198511] RAX: 0000000000000000 RBX: ffffed1003900f78 RCX: ffffffff813a4050 [ 49.199778] RDX: ffff888019a08000 RSI: ffffffff813a405e RDI: 0000000000000001 [ 49.201066] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed1003900f2f [ 49.202356] R10: 0000000000000000 R11: 0000000000000001 R12: 0000000000400dc0 [ 49.203628] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff88801c807df8 [ 49.204913] FS: 00007fb7e00ee900(0000) GS:ffff8880e538f000(0000) knlGS:0000000000000000 [ 49.206342] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 49.207393] CR2: 00007fffe3177ef8 CR3: 000000000abfd000 CR4: 0000000000350ef0 [ 49.208681] Call Trace: [ 49.209176] [ 49.209589] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 49.210477] ? __create_object+0x59/0x80 [ 49.211249] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 49.212221] __vmalloc_noprof+0x59/0x60 [ 49.212979] bpf_prog_alloc_no_stats+0x55/0x470 [ 49.213800] ? __pfx_seccomp_check_filter+0x10/0x10 [ 49.214727] bpf_prog_alloc+0x39/0x200 [ 49.215465] ? __pfx_seccomp_check_filter+0x10/0x10 [ 49.216417] bpf_prog_create_from_user+0xb2/0x2f0 [ 49.217309] do_seccomp+0x349/0x25e0 [ 49.218022] ? find_held_lock+0x2b/0x80 [ 49.218730] ? do_prlimit+0x310/0x610 [ 49.219458] ? __pfx_do_seccomp+0x10/0x10 [ 49.220257] ? do_raw_spin_unlock+0x53/0x220 [ 49.221082] ? _raw_spin_unlock+0x1e/0x40 [ 49.221812] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 49.222776] ? static_key_count+0x60/0x80 [ 49.223572] prctl_set_seccomp+0x4e/0x70 [ 49.224352] __do_sys_prctl+0xe6c/0x1d70 [ 49.225119] ? __pfx___do_sys_prctl+0x10/0x10 [ 49.225967] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 49.226926] ? irqentry_exit+0xf3/0x650 [ 49.227641] do_syscall_64+0xbf/0x430 [ 49.228383] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 49.229339] RIP: 0033:0x7fb7e05e05cd [ 49.230042] 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 [ 49.233212] RSP: 002b:00007fffe3176090 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 49.234573] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007fb7e05e05cd [ 49.235836] RDX: 0000558e04db1e00 RSI: 0000000000000002 RDI: 0000000000000016 [ 49.237152] RBP: 00007fffe31760f0 R08: 0000000000000000 R09: 00007fffe3175790 [ 49.238437] R10: 0000000000000000 R11: 0000000000000246 R12: 0000558e332d1b10 [ 49.239706] R13: 00007fffe3176520 R14: 0000558e332d22b0 R15: 0000558e332e66f0 [ 49.241023] [ 49.241448] irq event stamp: 1727 [ 49.242106] hardirqs last enabled at (1737): [] __up_console_sem+0x78/0x80 [ 49.243619] hardirqs last disabled at (1746): [] __up_console_sem+0x5d/0x80 [ 49.245156] softirqs last enabled at (1716): [] handle_softirqs+0x50c/0x770 [ 49.246747] softirqs last disabled at (1765): [] __irq_exit_rcu+0xc4/0x100 [ 49.248313] ---[ end trace 0000000000000000 ]--- [ 50.096897] ------------[ cut here ]------------ [ 50.097789] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 50.100328] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#1: sshd/247 [ 50.101947] Modules linked in: [ 50.102542] CPU: 1 UID: 104 PID: 247 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251118 #1 PREEMPT(voluntary) [ 50.104756] Tainted: [W]=WARN [ 50.105334] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 50.106868] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 50.107747] Code: e0 ad 11 00 81 e6 1f 52 ee ff 89 4c 24 40 89 74 24 30 90 48 c7 c7 40 38 f1 84 4c 8d 44 24 40 48 8d 54 24 30 e8 30 7b 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 [ 50.110941] RSP: 0018:ffff888016f57bc0 EFLAGS: 00010286 [ 50.111956] RAX: 0000000000000000 RBX: ffffed1002deaf78 RCX: ffffffff813a4050 [ 50.113268] RDX: ffff888019a7b780 RSI: ffffffff813a405e RDI: 0000000000000001 [ 50.114609] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed1002deaf2f [ 50.115955] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 50.117274] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff888016f57df8 [ 50.118620] FS: 00007f3dba2f9900(0000) GS:ffff8880e548f000(0000) knlGS:0000000000000000 [ 50.120125] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 50.121217] CR2: 00007f3dba85f4a6 CR3: 000000000cc47000 CR4: 0000000000350ef0 [ 50.122543] Call Trace: [ 50.123081] [ 50.123498] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 50.124455] ? __create_object+0x59/0x80 [ 50.125273] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 50.126279] __vmalloc_noprof+0x59/0x60 [ 50.127059] bpf_prog_alloc_no_stats+0x55/0x470 [ 50.128003] ? __pfx_seccomp_check_filter+0x10/0x10 [ 50.128954] bpf_prog_alloc+0x39/0x200 [ 50.129680] ? __pfx_seccomp_check_filter+0x10/0x10 [ 50.130637] bpf_prog_create_from_user+0xb2/0x2f0 [ 50.131541] do_seccomp+0x349/0x25e0 [ 50.132322] ? find_held_lock+0x2b/0x80 [ 50.133110] ? do_prlimit+0x310/0x610 [ 50.133836] ? __pfx_do_seccomp+0x10/0x10 [ 50.134653] ? do_raw_spin_unlock+0x53/0x220 [ 50.135488] ? _raw_spin_unlock+0x1e/0x40 [ 50.136328] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 50.137324] ? static_key_count+0x60/0x80 [ 50.138169] prctl_set_seccomp+0x4e/0x70 [ 50.138986] __do_sys_prctl+0xe6c/0x1d70 [ 50.139754] ? __pfx___do_sys_prctl+0x10/0x10 [ 50.140663] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 50.141650] ? irqentry_exit+0xf3/0x650 [ 50.142441] do_syscall_64+0xbf/0x430 [ 50.143209] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 50.144235] RIP: 0033:0x7f3dba7eb5cd [ 50.144967] 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 [ 50.148258] RSP: 002b:00007ffef39c01f0 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 50.149701] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f3dba7eb5cd [ 50.151031] RDX: 000055a3044c3e00 RSI: 0000000000000002 RDI: 0000000000000016 [ 50.152381] RBP: 00007ffef39c0250 R08: 0000000000000000 R09: 00007ffef39bf8f0 [ 50.153714] R10: 0000000000000000 R11: 0000000000000246 R12: 000055a320430bf0 [ 50.155052] R13: 00007ffef39c0680 R14: 000055a32043a380 R15: 000055a320445460 [ 50.156605] [ 50.157082] irq event stamp: 1781 [ 50.157706] hardirqs last enabled at (1789): [] __up_console_sem+0x78/0x80 [ 50.159292] hardirqs last disabled at (1798): [] __up_console_sem+0x5d/0x80 [ 50.160889] softirqs last enabled at (1702): [] handle_softirqs+0x50c/0x770 [ 50.162454] softirqs last disabled at (1697): [] __irq_exit_rcu+0xc4/0x100 [ 50.164055] ---[ end trace 0000000000000000 ]--- Warning: Permanently added '[localhost]:47002' (ECDSA) to the list of known hosts. 2025/11/18 11:13:30 fuzzer started 2025/11/18 11:13:30 dialing manager at localhost:34383 2025/11/18 11:13:30 checking machine... 2025/11/18 11:13:30 checking revisions... [ 51.109142] kmemleak: Automatic memory scanning thread ended 2025/11/18 11:13:30 testing simple program... [ 51.199287] cgroup: Unknown subsys name 'net' [ 51.253984] cgroup: Unknown subsys name 'cpuset' [ 51.267304] cgroup: Unknown subsys name 'rlimit' executing program executing program VM DIAGNOSIS: 11:13:29 Registers: info registers vcpu 0 RAX=0000000000000001 RBX=0000000000000000 RCX=0000000000000002 RDX=0000000000000000 RSI=ffffffff8135e4bd RDI=fffffbfff0bc3ffc RBP=ffffffff85e1ffe0 RSP=ffff88806ce08918 R8 =0000000000000000 R9 =0000000000000000 R10=000000000003c9ed R11=0000000000006e2e R12=0000000000000001 R13=ffffffff8135e4bd R14=0000000000000000 R15=ffff88806ce08a70 RIP=ffffffff81b2ae59 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 00007fb7e00ee900 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=00007fffe3170000 CR3=000000000e09b000 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=6720646572637465733a4d41503d706f XMM01=652022746f6f72223d74636361207469 XMM02=3d6c616e696d72657420322e322e302e XMM03=3d656d616e74736f682022646873732f XMM04=40404040404040404040404040404040 XMM05=5a5a5a5a5a5a5a5a5a5a5a5a5a5a5a5a XMM06=20202020202020202020202020202020 XMM07=00000000000000000000000000000000 XMM08=652075253d64692073253d706f000000 XMM09=00000000000000000000000000000000 XMM10=00000000000000000000000000000000 XMM11=00000000000000000000000000000000 XMM12=00000000000000000000000000000000 XMM13=00000000000000000000000000000000 XMM14=00000000000000000000000000000000 XMM15=00000000000000000000000000000000 info registers vcpu 1 RAX=00000000000223b9 RBX=0000000000000001 RCX=ffffffff84c72d57 RDX=0000000000000000 RSI=0000000000000000 RDI=ffffffff814d2c90 RBP=dffffc0000000000 RSP=ffff8880096efe58 R8 =0000000000000001 R9 =ffffed100d9e639a R10=ffff88806cf31cd3 R11=0000000000000001 R12=ffffffff8664f850 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 fffffe6300000000 00000000 00000000 TR =0040 fffffe000004a000 00004087 00008b00 DPL=0 TSS64-busy GDT= fffffe0000048000 0000007f IDT= fffffe0000000000 00000fff CR0=80050033 CR2=00007ffe912f1678 CR3=000000000a232000 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=2039323a33313a313120383120766f4e XMM01=73732878696e755f6d6170203a5d3833 XMM02=65736f6c63206e6f6973736573203a29 XMM03=755f6d6170203a5d3833325b64687373 XMM04=69662068637573206f4e203a656c6163 XMM05=3a656c696620766e65206e65706f206f XMM06=65733a6468737328766e655f6d617020 XMM07=6b7a79732039323a33313a3131203831 XMM08=30343d7974696c696261706163202279 XMM09=00000000000000000000000000000000 XMM10=00000000000000000000000000000000 XMM11=00000000000000000000000000000000 XMM12=00000000000000000000000000000000 XMM13=00000000000000000000000000000000 XMM14=00000000000000000000000000000000 XMM15=00000000000000000000000000000000