syzkaller login: [ 45.358371] ------------[ cut here ]------------ [ 45.359307] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 45.361287] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#0: sshd/235 [ 45.362733] Modules linked in: [ 45.363313] CPU: 0 UID: 104 PID: 235 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251118 #1 PREEMPT(voluntary) [ 45.365341] Tainted: [W]=WARN [ 45.365944] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 45.367425] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 45.368340] 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 [ 45.371497] RSP: 0018:ffff88801826fbc0 EFLAGS: 00010286 [ 45.372618] RAX: 0000000000000000 RBX: ffffed100304df78 RCX: ffffffff813a4050 [ 45.373937] RDX: ffff888015b81bc0 RSI: ffffffff813a405e RDI: 0000000000000001 [ 45.375546] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed100304df2f [ 45.376816] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 45.378123] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff88801826fdf8 [ 45.379399] FS: 00007f4011961900(0000) GS:ffff8880e538f000(0000) knlGS:0000000000000000 [ 45.380837] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 45.381905] CR2: 00007f4011e53580 CR3: 000000000d684000 CR4: 0000000000350ef0 [ 45.383189] Call Trace: [ 45.383654] [ 45.384101] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 45.385005] ? __create_object+0x59/0x80 [ 45.385771] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 45.386687] __vmalloc_noprof+0x59/0x60 [ 45.387438] bpf_prog_alloc_no_stats+0x55/0x470 [ 45.388295] ? __pfx_seccomp_check_filter+0x10/0x10 [ 45.389223] bpf_prog_alloc+0x39/0x200 [ 45.389946] ? __pfx_seccomp_check_filter+0x10/0x10 [ 45.390917] bpf_prog_create_from_user+0xb2/0x2f0 [ 45.391807] do_seccomp+0x349/0x25e0 [ 45.392469] ? __pfx_css_rstat_updated+0x10/0x10 [ 45.393368] ? __pfx_do_seccomp+0x10/0x10 [ 45.394164] ? find_held_lock+0x2b/0x80 [ 45.394929] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 45.395876] ? static_key_count+0x60/0x80 [ 45.396635] prctl_set_seccomp+0x4e/0x70 [ 45.397419] __do_sys_prctl+0xe6c/0x1d70 [ 45.398206] ? __pfx___do_sys_prctl+0x10/0x10 [ 45.399050] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 45.400018] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 45.400996] ? irqentry_exit+0xf3/0x650 [ 45.401753] do_syscall_64+0xbf/0x430 [ 45.402448] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 45.403411] RIP: 0033:0x7f4011e535cd [ 45.404102] 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 [ 45.407267] RSP: 002b:00007ffc04d59da0 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 45.408634] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f4011e535cd [ 45.409933] RDX: 0000555ca43cce00 RSI: 0000000000000002 RDI: 0000000000000016 [ 45.411210] RBP: 00007ffc04d59e00 R08: 0000000000000000 R09: 00007ffc04d594a0 [ 45.412503] R10: 0000000000000000 R11: 0000000000000246 R12: 0000555ccd95ead0 [ 45.413764] R13: 00007ffc04d5a230 R14: 0000555ccd95fbc0 R15: 0000555ccd970780 [ 45.415088] [ 45.415506] irq event stamp: 1737 [ 45.416132] hardirqs last enabled at (1747): [] __up_console_sem+0x78/0x80 [ 45.417654] hardirqs last disabled at (1756): [] __up_console_sem+0x5d/0x80 [ 45.419189] softirqs last enabled at (1602): [] handle_softirqs+0x50c/0x770 [ 45.420728] softirqs last disabled at (1595): [] __irq_exit_rcu+0xc4/0x100 [ 45.422249] ---[ end trace 0000000000000000 ]--- [ 48.370951] ------------[ cut here ]------------ [ 48.371988] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 48.374296] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#1: sshd/242 [ 48.375932] Modules linked in: [ 48.376522] CPU: 1 UID: 104 PID: 242 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251118 #1 PREEMPT(voluntary) [ 48.378792] Tainted: [W]=WARN [ 48.379348] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 48.380955] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 48.381985] 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 [ 48.385197] RSP: 0018:ffff888016ba7bc0 EFLAGS: 00010286 [ 48.386160] RAX: 0000000000000000 RBX: ffffed1002d74f78 RCX: ffffffff813a4050 [ 48.387425] RDX: ffff888015b13780 RSI: ffffffff813a405e RDI: 0000000000000001 [ 48.388691] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed1002d74f2f [ 48.389979] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 48.391265] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff888016ba7df8 [ 48.392538] FS: 00007f2f3cf08900(0000) GS:ffff8880e548f000(0000) knlGS:0000000000000000 [ 48.393965] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 48.395027] CR2: 00007ffe25b3eef7 CR3: 000000001d9ff000 CR4: 0000000000350ef0 [ 48.396310] Call Trace: [ 48.396837] [ 48.397268] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 48.398159] ? __create_object+0x59/0x80 [ 48.398941] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 48.399905] __vmalloc_noprof+0x59/0x60 [ 48.400624] bpf_prog_alloc_no_stats+0x55/0x470 [ 48.401507] ? __pfx_seccomp_check_filter+0x10/0x10 [ 48.402439] bpf_prog_alloc+0x39/0x200 [ 48.403166] ? __pfx_seccomp_check_filter+0x10/0x10 [ 48.404111] bpf_prog_create_from_user+0xb2/0x2f0 [ 48.405010] do_seccomp+0x349/0x25e0 [ 48.405668] ? find_held_lock+0x2b/0x80 [ 48.406429] ? do_prlimit+0x310/0x610 [ 48.407166] ? __pfx_do_seccomp+0x10/0x10 [ 48.407942] ? do_raw_spin_unlock+0x53/0x220 [ 48.408776] ? _raw_spin_unlock+0x1e/0x40 [ 48.409506] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 48.410477] ? static_key_count+0x60/0x80 [ 48.411255] prctl_set_seccomp+0x4e/0x70 [ 48.412010] __do_sys_prctl+0xe6c/0x1d70 [ 48.412776] ? __pfx___do_sys_prctl+0x10/0x10 [ 48.413576] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 48.414553] ? irqentry_exit+0xf3/0x650 [ 48.415326] do_syscall_64+0xbf/0x430 [ 48.416050] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 48.417006] RIP: 0033:0x7f2f3d3fa5cd [ 48.417657] 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 [ 48.420798] RSP: 002b:00007ffe25b3c360 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 48.422157] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f2f3d3fa5cd [ 48.423423] RDX: 0000558d841b5e00 RSI: 0000000000000002 RDI: 0000000000000016 [ 48.424679] RBP: 00007ffe25b3c3c0 R08: 0000000000000000 R09: 00007ffe25b3ba60 [ 48.425969] R10: 0000000000000000 R11: 0000000000000246 R12: 0000558dae863bf0 [ 48.427243] R13: 00007ffe25b3c7f0 R14: 0000558dae86d380 R15: 0000558dae878460 [ 48.428537] [ 48.428994] irq event stamp: 1777 [ 48.429590] hardirqs last enabled at (1785): [] __up_console_sem+0x78/0x80 [ 48.431092] hardirqs last disabled at (1794): [] __up_console_sem+0x5d/0x80 [ 48.432576] softirqs last enabled at (1600): [] handle_softirqs+0x50c/0x770 [ 48.434114] softirqs last disabled at (1595): [] __irq_exit_rcu+0xc4/0x100 [ 48.435383] ---[ end trace 0000000000000000 ]--- [ 49.228664] ------------[ cut here ]------------ [ 49.229579] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 49.231689] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#0: sshd/250 [ 49.233243] Modules linked in: [ 49.233898] CPU: 0 UID: 104 PID: 250 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251118 #1 PREEMPT(voluntary) [ 49.235907] Tainted: [W]=WARN [ 49.236467] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 49.237946] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 49.238868] 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 [ 49.242072] RSP: 0018:ffff8880182efbc0 EFLAGS: 00010286 [ 49.243067] RAX: 0000000000000000 RBX: ffffed100305df78 RCX: ffffffff813a4050 [ 49.244379] RDX: ffff888019970000 RSI: ffffffff813a405e RDI: 0000000000000001 [ 49.245654] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed100305df2f [ 49.246956] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 49.248239] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff8880182efdf8 [ 49.249518] FS: 00007fc49f508900(0000) GS:ffff8880e538f000(0000) knlGS:0000000000000000 [ 49.250972] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 49.252029] CR2: 00007ffc0e650ef7 CR3: 000000000e2fb000 CR4: 0000000000350ef0 [ 49.253340] Call Trace: [ 49.253840] [ 49.254269] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 49.255172] ? __create_object+0x59/0x80 [ 49.255970] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 49.256944] __vmalloc_noprof+0x59/0x60 [ 49.257665] bpf_prog_alloc_no_stats+0x55/0x470 [ 49.258571] ? __pfx_seccomp_check_filter+0x10/0x10 [ 49.259507] bpf_prog_alloc+0x39/0x200 [ 49.260247] ? __pfx_seccomp_check_filter+0x10/0x10 [ 49.261190] bpf_prog_create_from_user+0xb2/0x2f0 [ 49.262110] do_seccomp+0x349/0x25e0 [ 49.262823] ? find_held_lock+0x2b/0x80 [ 49.263536] ? do_prlimit+0x310/0x610 [ 49.264273] ? __pfx_do_seccomp+0x10/0x10 [ 49.265071] ? do_raw_spin_unlock+0x53/0x220 [ 49.265909] ? _raw_spin_unlock+0x1e/0x40 [ 49.266651] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 49.267598] ? static_key_count+0x60/0x80 [ 49.268392] prctl_set_seccomp+0x4e/0x70 [ 49.269167] __do_sys_prctl+0xe6c/0x1d70 [ 49.269948] ? __pfx___do_sys_prctl+0x10/0x10 [ 49.270820] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 49.271793] ? irqentry_exit+0xf3/0x650 [ 49.272505] do_syscall_64+0xbf/0x430 [ 49.273256] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 49.274229] RIP: 0033:0x7fc49f9fa5cd [ 49.274941] 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 [ 49.278111] RSP: 002b:00007ffc0e64ece0 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 49.279478] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007fc49f9fa5cd [ 49.280759] RDX: 000055c4709bbe00 RSI: 0000000000000002 RDI: 0000000000000016 [ 49.282053] RBP: 00007ffc0e64ed40 R08: 0000000000000000 R09: 00007ffc0e64e3e0 [ 49.283350] R10: 0000000000000000 R11: 0000000000000246 R12: 000055c4af271ad0 [ 49.284638] R13: 00007ffc0e64f170 R14: 000055c4af272bc0 R15: 000055c4af283780 [ 49.285942] [ 49.286380] irq event stamp: 1745 [ 49.287020] hardirqs last enabled at (1755): [] __up_console_sem+0x78/0x80 [ 49.288559] hardirqs last disabled at (1764): [] __up_console_sem+0x5d/0x80 [ 49.290128] softirqs last enabled at (1714): [] handle_softirqs+0x50c/0x770 [ 49.291656] softirqs last disabled at (1709): [] __irq_exit_rcu+0xc4/0x100 [ 49.293196] ---[ end trace 0000000000000000 ]--- Warning: Permanently added '[localhost]:10073' (ECDSA) to the list of known hosts. 2025/11/19 07:41:30 fuzzer started 2025/11/19 07:41:31 dialing manager at localhost:34383 2025/11/19 07:41:31 checking machine... 2025/11/19 07:41:31 checking revisions... [ 50.154985] kmemleak: Automatic memory scanning thread ended 2025/11/19 07:41:31 testing simple program... [ 50.248506] cgroup: Unknown subsys name 'net' [ 50.315876] cgroup: Unknown subsys name 'cpuset' [ 50.335476] cgroup: Unknown subsys name 'rlimit' executing program executing program executing program VM DIAGNOSIS: 07:41:30 Registers: info registers vcpu 0 RAX=00000000000000c4 RBX=ffff888015b80000 RCX=0000000000000200 RDX=0000000000000008 RSI=ffff888015b80a80 RDI=ffff888015b80a58 RBP=ffff888015b80a58 RSP=ffff88806ce088a0 R8 =0000000000000001 R9 =0000000000000000 R10=0000000000000001 R11=0000000000000000 R12=ffff888015b80a80 R13=b503ba001073dead R14=0000000000000000 R15=0000000000000001 RIP=ffffffff815228f3 RFL=00000003 [------C] 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 00007f2f3cf08900 00000000 00000000 GS =0000 ffff8880e538f000 00000000 00000000 LDT=0000 fffffe6a00000000 00000000 00000000 TR =0040 fffffe0000003000 00004087 00008b00 DPL=0 TSS64-busy GDT= fffffe0000001000 0000007f IDT= fffffe0000000000 00000fff CR0=80050033 CR2=00007ffe25b36000 CR3=000000001d9ea000 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=635f6e6f69737365733a4d41503d706f XMM01=6f6c5f6d61702c78756e696c65735f6d XMM02=61702c74696d7265705f6d61702c7469 XMM03=655f6d61702c7374696d696c5f6d6170 XMM04=3d6c616e696d72657420322e322e302e XMM05=3d656d616e74736f682022646873732f XMM06=746f6f72223d746363612078756e696c XMM07=6e655f6d61702c7374696d696c5f6d61 XMM08=652075253d64692073253d706f000000 XMM09=00000000000000000000000000000000 XMM10=00000000000000000000000000000000 XMM11=00000000000000000000000000000000 XMM12=00000000000000000000000000000000 XMM13=00000000000000000000000000000000 XMM14=00000000000000000000000000000000 XMM15=00000000000000000000000000000000 info registers vcpu 1 RAX=ffff888009643780 RBX=0000000000000000 RCX=0000000000000001 RDX=0000000000000000 RSI=ffffffff8135e4bd RDI=fffffbfff0bc3ffc RBP=ffffffff85e1ffe0 RSP=ffff88806cf08988 R8 =0000000000000000 R9 =0000000000000000 R10=000000000003c9ed R11=00000000000c816f R12=0000000000000002 R13=0000000000000000 R14=0000000000000000 R15=0000000000000246 RIP=ffffffff81529332 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 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=00007fff15a43c98 CR3=000000000e757000 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=31343a373020393120766f4e3e36383c XMM01=7365733a646873732878696e755f6d61 XMM02=736f6c63206e6f6973736573203a296e XMM03=5f6d6170203a5d3134325b6468737320 XMM04=6456774875434142334f726f59427469 XMM05=485320415352203a3268737320383336 XMM06=206d6f726620746f6f7220726f662079 XMM07=00000000000000000000000000000000 XMM08=3a677562656420676f6c737973720000 XMM09=00000000000000000000000000000000 XMM10=00000000000000000000000000000000 XMM11=00000000000000000000000000000000 XMM12=00000000000000000000000000000000 XMM13=00000000000000000000000000000000 XMM14=00000000000000000000000000000000 XMM15=00000000000000000000000000000000