syzkaller login: [ 38.819993] ------------[ cut here ]------------ [ 38.820754] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 38.822776] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#0: sshd/233 [ 38.823972] Modules linked in: [ 38.824537] CPU: 0 UID: 104 PID: 233 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251118 #1 PREEMPT(voluntary) [ 38.826218] Tainted: [W]=WARN [ 38.826673] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 38.827884] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 38.828642] 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 [ 38.831275] RSP: 0018:ffff88801b9d7bc0 EFLAGS: 00010286 [ 38.832044] RAX: 0000000000000000 RBX: ffffed100373af78 RCX: ffffffff813a4050 [ 38.833103] RDX: ffff88800f2cd340 RSI: ffffffff813a405e RDI: 0000000000000001 [ 38.834185] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed100373af2f [ 38.835267] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 38.836325] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff88801b9d7df8 [ 38.837393] FS: 00007f8e44037900(0000) GS:ffff8880e538f000(0000) knlGS:0000000000000000 [ 38.838592] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 38.839471] CR2: 00007ffd6d468ef7 CR3: 000000000eb56000 CR4: 0000000000350ef0 [ 38.840532] Call Trace: [ 38.840916] [ 38.841289] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 38.842003] ? __create_object+0x59/0x80 [ 38.842661] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 38.843449] __vmalloc_noprof+0x59/0x60 [ 38.844037] bpf_prog_alloc_no_stats+0x55/0x470 [ 38.844760] ? __pfx_seccomp_check_filter+0x10/0x10 [ 38.845517] bpf_prog_alloc+0x39/0x200 [ 38.846097] ? __pfx_seccomp_check_filter+0x10/0x10 [ 38.846865] bpf_prog_create_from_user+0xb2/0x2f0 [ 38.847621] do_seccomp+0x349/0x25e0 [ 38.848176] ? find_held_lock+0x2b/0x80 [ 38.848803] ? do_prlimit+0x310/0x610 [ 38.849419] ? __pfx_do_seccomp+0x10/0x10 [ 38.850040] ? do_raw_spin_unlock+0x53/0x220 [ 38.850732] ? _raw_spin_unlock+0x1e/0x40 [ 38.851381] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 38.852139] ? static_key_count+0x60/0x80 [ 38.852807] prctl_set_seccomp+0x4e/0x70 [ 38.853450] __do_sys_prctl+0xe6c/0x1d70 [ 38.854068] ? __pfx___do_sys_prctl+0x10/0x10 [ 38.854778] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 38.855582] ? irqentry_exit+0xf3/0x650 [ 38.856181] do_syscall_64+0xbf/0x430 [ 38.856813] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 38.857615] RIP: 0033:0x7f8e445295cd [ 38.858177] 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 [ 38.860810] RSP: 002b:00007ffd6d467260 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 38.861951] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f8e445295cd [ 38.863015] RDX: 00005653e3c7ee00 RSI: 0000000000000002 RDI: 0000000000000016 [ 38.864081] RBP: 00007ffd6d4672c0 R08: 0000000000000000 R09: 00007ffd6d466960 [ 38.865147] R10: 0000000000000000 R11: 0000000000000246 R12: 00005653f096bbf0 [ 38.866231] R13: 00007ffd6d4676f0 R14: 00005653f0975380 R15: 00005653f0980460 [ 38.867321] [ 38.867671] irq event stamp: 1845 [ 38.868174] hardirqs last enabled at (1853): [] __up_console_sem+0x78/0x80 [ 38.869465] hardirqs last disabled at (1864): [] __up_console_sem+0x5d/0x80 [ 38.870731] softirqs last enabled at (1834): [] handle_softirqs+0x50c/0x770 [ 38.872007] softirqs last disabled at (1827): [] __irq_exit_rcu+0xc4/0x100 [ 38.873263] ---[ end trace 0000000000000000 ]--- [ 41.600928] ------------[ cut here ]------------ [ 41.601380] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 41.602296] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#0: sshd/241 [ 41.602939] Modules linked in: [ 41.603229] CPU: 0 UID: 104 PID: 241 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251118 #1 PREEMPT(voluntary) [ 41.604235] Tainted: [W]=WARN [ 41.604573] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 41.605247] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 41.605647] 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 [ 41.607354] RSP: 0018:ffff8880168a7bc0 EFLAGS: 00010286 [ 41.607808] RAX: 0000000000000000 RBX: ffffed1002d14f78 RCX: ffffffff813a4050 [ 41.608552] RDX: ffff888016b63780 RSI: ffffffff813a405e RDI: 0000000000000001 [ 41.609119] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed1002d14f2f [ 41.609981] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 41.610581] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff8880168a7df8 [ 41.611151] FS: 00007fba9dc45900(0000) GS:ffff8880e538f000(0000) knlGS:0000000000000000 [ 41.611811] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 41.612291] CR2: 00007fba9e137580 CR3: 000000001f3cd000 CR4: 0000000000350ef0 [ 41.612862] Call Trace: [ 41.613075] [ 41.613286] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 41.613708] ? __create_object+0x59/0x80 [ 41.614174] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 41.614630] __vmalloc_noprof+0x59/0x60 [ 41.614990] bpf_prog_alloc_no_stats+0x55/0x470 [ 41.615481] ? __pfx_seccomp_check_filter+0x10/0x10 [ 41.615885] bpf_prog_alloc+0x39/0x200 [ 41.616221] ? __pfx_seccomp_check_filter+0x10/0x10 [ 41.616772] bpf_prog_create_from_user+0xb2/0x2f0 [ 41.617164] do_seccomp+0x349/0x25e0 [ 41.617492] ? __pfx_css_rstat_updated+0x10/0x10 [ 41.617889] ? __pfx_do_seccomp+0x10/0x10 [ 41.618249] ? find_held_lock+0x2b/0x80 [ 41.618576] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 41.618995] ? static_key_count+0x60/0x80 [ 41.619362] prctl_set_seccomp+0x4e/0x70 [ 41.619696] __do_sys_prctl+0xe6c/0x1d70 [ 41.620033] ? __pfx___do_sys_prctl+0x10/0x10 [ 41.620420] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 41.620953] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 41.621397] ? irqentry_exit+0xf3/0x650 [ 41.621732] do_syscall_64+0xbf/0x430 [ 41.622057] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 41.622633] RIP: 0033:0x7fba9e1375cd [ 41.622963] 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 [ 41.624537] RSP: 002b:00007ffdbf2942a0 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 41.625250] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007fba9e1375cd [ 41.625823] RDX: 000055b4f64cce00 RSI: 0000000000000002 RDI: 0000000000000016 [ 41.626403] RBP: 00007ffdbf294300 R08: 0000000000000000 R09: 00007ffdbf2939a0 [ 41.626965] R10: 0000000000000000 R11: 0000000000000246 R12: 000055b52cee1ad0 [ 41.627549] R13: 00007ffdbf294730 R14: 000055b52cee2bc0 R15: 000055b52cef3780 [ 41.628120] [ 41.628352] irq event stamp: 2285 [ 41.628631] hardirqs last enabled at (2293): [] __up_console_sem+0x78/0x80 [ 41.629437] hardirqs last disabled at (2302): [] __up_console_sem+0x5d/0x80 [ 41.630119] softirqs last enabled at (2282): [] handle_softirqs+0x50c/0x770 [ 41.630993] softirqs last disabled at (2275): [] __irq_exit_rcu+0xc4/0x100 [ 41.631803] ---[ end trace 0000000000000000 ]--- [ 42.278106] ------------[ cut here ]------------ [ 42.279035] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 42.281052] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#0: sshd/248 [ 42.282544] Modules linked in: [ 42.283144] CPU: 0 UID: 104 PID: 248 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251118 #1 PREEMPT(voluntary) [ 42.285261] Tainted: [W]=WARN [ 42.285842] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 42.287332] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 42.288252] 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 [ 42.291473] RSP: 0018:ffff88801b897bc0 EFLAGS: 00010286 [ 42.292472] RAX: 0000000000000000 RBX: ffffed1003712f78 RCX: ffffffff813a4050 [ 42.293787] RDX: ffff888017220000 RSI: ffffffff813a405e RDI: 0000000000000001 [ 42.295088] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed1003712f2f [ 42.296387] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 42.297686] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff88801b897df8 [ 42.299001] FS: 00007fab76ada900(0000) GS:ffff8880e538f000(0000) knlGS:0000000000000000 [ 42.300463] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 42.301544] CR2: 00007fab770404a6 CR3: 000000000f7c0000 CR4: 0000000000350ef0 [ 42.302855] Call Trace: [ 42.303359] [ 42.303776] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 42.304687] ? __create_object+0x59/0x80 [ 42.305474] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 42.306468] __vmalloc_noprof+0x59/0x60 [ 42.307237] bpf_prog_alloc_no_stats+0x55/0x470 [ 42.308084] ? __pfx_seccomp_check_filter+0x10/0x10 [ 42.309033] bpf_prog_alloc+0x39/0x200 [ 42.309805] ? __pfx_seccomp_check_filter+0x10/0x10 [ 42.310755] bpf_prog_create_from_user+0xb2/0x2f0 [ 42.311682] do_seccomp+0x349/0x25e0 [ 42.312411] ? find_held_lock+0x2b/0x80 [ 42.313136] ? do_prlimit+0x310/0x610 [ 42.313909] ? __pfx_do_seccomp+0x10/0x10 [ 42.314712] ? do_raw_spin_unlock+0x53/0x220 [ 42.315564] ? _raw_spin_unlock+0x1e/0x40 [ 42.316363] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 42.317338] ? static_key_count+0x60/0x80 [ 42.318115] prctl_set_seccomp+0x4e/0x70 [ 42.318901] __do_sys_prctl+0xe6c/0x1d70 [ 42.319700] ? __pfx___do_sys_prctl+0x10/0x10 [ 42.320576] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 42.321571] ? irqentry_exit+0xf3/0x650 [ 42.322354] do_syscall_64+0xbf/0x430 [ 42.323057] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 42.324024] RIP: 0033:0x7fab76fcc5cd [ 42.324734] 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 [ 42.327946] RSP: 002b:00007ffd45a1f050 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 42.329330] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007fab76fcc5cd [ 42.330678] RDX: 000055de66a34e00 RSI: 0000000000000002 RDI: 0000000000000016 [ 42.331978] RBP: 00007ffd45a1f0b0 R08: 0000000000000000 R09: 00007ffd45a1e750 [ 42.333285] R10: 0000000000000000 R11: 0000000000000246 R12: 000055de95b29ad0 [ 42.334593] R13: 00007ffd45a1f4e0 R14: 000055de95b2abc0 R15: 000055de95b3b780 [ 42.335913] [ 42.336390] irq event stamp: 1783 [ 42.337009] hardirqs last enabled at (1791): [] __up_console_sem+0x78/0x80 [ 42.338557] hardirqs last disabled at (1800): [] __up_console_sem+0x5d/0x80 [ 42.340103] softirqs last enabled at (1656): [] handle_softirqs+0x50c/0x770 [ 42.341666] softirqs last disabled at (1651): [] __irq_exit_rcu+0xc4/0x100 [ 42.343222] ---[ end trace 0000000000000000 ]--- Warning: Permanently added '[localhost]:1426' (ECDSA) to the list of known hosts. 2025/11/19 04:05:26 fuzzer started 2025/11/19 04:05:27 dialing manager at localhost:34383 2025/11/19 04:05:27 checking machine... 2025/11/19 04:05:27 checking revisions... [ 43.249978] kmemleak: Automatic memory scanning thread ended 2025/11/19 04:05:27 testing simple program... [ 43.348663] cgroup: Unknown subsys name 'net' [ 43.411916] cgroup: Unknown subsys name 'cpuset' [ 43.427432] cgroup: Unknown subsys name 'rlimit' executing program executing program executing program VM DIAGNOSIS: 04:05:26 Registers: info registers vcpu 0 RAX=0000000000000000 RBX=ffff8880183dfdd8 RCX=ffffffff84bf0ded RDX=0000000000000000 RSI=0000000000000000 RDI=0000000000000000 RBP=dffffc0000000000 RSP=ffff8880183dfd40 R8 =0000000000000000 R9 =0000000000000000 R10=0000000000000300 R11=0000000000000001 R12=ffff8880172af21e R13=ffffed100307bfc4 R14=0000000000000000 R15=ffff8880183dfe25 RIP=ffffffff81751928 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 =0000 0000000000000000 00000000 00000000 DS =0000 0000000000000000 00000000 00000000 FS =0000 00007fba9dc45900 00000000 00000000 GS =0000 ffff8880e538f000 00000000 00000000 LDT=0000 fffffe2c00000000 00000000 00000000 TR =0040 fffffe0000003000 00004087 00008b00 DPL=0 TSS64-busy GDT= fffffe0000001000 0000007f IDT= fffffe0000000000 00000fff CR0=80050033 CR2=00007fba9dbfe008 CR3=000000001f390000 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=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=ffffffff883bce48 RBX=0000000000000030 RCX=ffffffff88397758 RDX=00000000000000e9 RSI=ffffffff87ceab68 RDI=000000000000009d RBP=ffffffff81522860 RSP=ffff88806cf08848 R8 =0000000000000000 R9 =0000000000000030 R10=ffff8880165626b8 R11=0000000000000000 R12=ffff88806cf088b8 R13=ffffffff815229a0 R14=0000000000000000 R15=ffffffff883bc278 RIP=ffffffff8152381e RFL=00000006 [-----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 =0000 0000000000000000 00000000 00000000 DS =0000 0000000000000000 00000000 00000000 FS =0000 00007fa8a5911900 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=00007fa8a5028000 CR3=000000000ddad000 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=d3fdd5f48436fbd700000000000aead0 XMM01=8cdec34d38af4c0a00000000001a9858 XMM02=693bd129e125714a00000000001a9b98 XMM03=2fccd54c36d8a3f300000000001b20a0 XMM04=c0ba117ea4dcddb200000000000ae988 XMM05=f3f28d161a40ce4400000000003200d0 XMM06=474038aa6c007e1f000000000031f170 XMM07=e042d86d42eb936e000000000030ec50 XMM08=b9fd6c459cb4e2de0000000000302dc8 XMM09=00000000000000000000000000000000 XMM10=20200000000020202020202020200000 XMM11=00000000000000000000000000000000 XMM12=00000000000000000000000000000000 XMM13=00000000000000000000000000000000 XMM14=00000000000000000000000000000000 XMM15=00000000000000000000000000000000