syzkaller login: [ 39.041030] ------------[ cut here ]------------ [ 39.041984] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 39.044021] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#1: sshd/232 [ 39.045520] Modules linked in: [ 39.046183] CPU: 1 UID: 104 PID: 232 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251117 #1 PREEMPT(voluntary) [ 39.048201] Tainted: [W]=WARN [ 39.048766] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 39.050261] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 39.051196] 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 [ 39.054438] RSP: 0018:ffff888016b7fbc0 EFLAGS: 00010286 [ 39.055451] RAX: 0000000000000000 RBX: ffffed1002d6ff78 RCX: ffffffff813a4050 [ 39.056745] RDX: ffff888018278000 RSI: ffffffff813a405e RDI: 0000000000000001 [ 39.058062] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed1002d6ff2f [ 39.059355] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 39.060639] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff888016b7fdf8 [ 39.061960] FS: 00007f44f5939900(0000) GS:ffff8880e548f000(0000) knlGS:0000000000000000 [ 39.063411] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 39.064497] CR2: 00007ffd53eeeef8 CR3: 000000000d6cc000 CR4: 0000000000350ef0 [ 39.065809] Call Trace: [ 39.066326] [ 39.066743] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 39.067660] ? __create_object+0x59/0x80 [ 39.068444] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 39.069451] __vmalloc_noprof+0x59/0x60 [ 39.070222] bpf_prog_alloc_no_stats+0x55/0x470 [ 39.071102] ? __pfx_seccomp_check_filter+0x10/0x10 [ 39.072060] bpf_prog_alloc+0x39/0x200 [ 39.072758] ? __pfx_seccomp_check_filter+0x10/0x10 [ 39.073723] bpf_prog_create_from_user+0xb2/0x2f0 [ 39.074610] do_seccomp+0x349/0x25e0 [ 39.075341] ? find_held_lock+0x2b/0x80 [ 39.076116] ? do_prlimit+0x310/0x610 [ 39.076808] ? __pfx_do_seccomp+0x10/0x10 [ 39.077622] ? do_raw_spin_unlock+0x53/0x220 [ 39.078464] ? _raw_spin_unlock+0x1e/0x40 [ 39.079251] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 39.080238] ? static_key_count+0x60/0x80 [ 39.081053] prctl_set_seccomp+0x4e/0x70 [ 39.081809] __do_sys_prctl+0xe6c/0x1d70 [ 39.082615] ? __pfx___do_sys_prctl+0x10/0x10 [ 39.083482] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 39.084464] ? irqentry_exit+0xf3/0x650 [ 39.085264] do_syscall_64+0xbf/0x430 [ 39.086022] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 39.086983] RIP: 0033:0x7f44f5e2b5cd [ 39.087645] 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 [ 39.090830] RSP: 002b:00007ffd53eec500 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 39.092237] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f44f5e2b5cd [ 39.093620] RDX: 000055f213a0ae00 RSI: 0000000000000002 RDI: 0000000000000016 [ 39.095013] RBP: 00007ffd53eec560 R08: 0000000000000000 R09: 00007ffd53eebc00 [ 39.096303] R10: 0000000000000000 R11: 0000000000000246 R12: 000055f21f04fad0 [ 39.097622] R13: 00007ffd53eec990 R14: 000055f21f050bc0 R15: 000055f21f061780 [ 39.098954] [ 39.099380] irq event stamp: 1783 [ 39.100039] hardirqs last enabled at (1793): [] __up_console_sem+0x78/0x80 [ 39.101574] hardirqs last disabled at (1802): [] __up_console_sem+0x5d/0x80 [ 39.102880] softirqs last enabled at (1742): [] handle_softirqs+0x50c/0x770 [ 39.104224] softirqs last disabled at (1737): [] __irq_exit_rcu+0xc4/0x100 [ 39.105521] ---[ end trace 0000000000000000 ]--- [ 41.837387] ------------[ cut here ]------------ [ 41.838205] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 41.839890] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#1: sshd/240 [ 41.841074] Modules linked in: [ 41.841570] CPU: 1 UID: 104 PID: 240 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251117 #1 PREEMPT(voluntary) [ 41.843387] Tainted: [W]=WARN [ 41.844097] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 41.845336] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 41.846088] 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 [ 41.848690] RSP: 0018:ffff8880182cfbc0 EFLAGS: 00010286 [ 41.849510] RAX: 0000000000000000 RBX: ffffed1003059f78 RCX: ffffffff813a4050 [ 41.850566] RDX: ffff88800f863780 RSI: ffffffff813a405e RDI: 0000000000000001 [ 41.851623] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed1003059f2f [ 41.852680] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 41.853742] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff8880182cfdf8 [ 41.854794] FS: 00007f1d62ca6900(0000) GS:ffff8880e548f000(0000) knlGS:0000000000000000 [ 41.855975] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 41.856807] CR2: 00007f1d63198580 CR3: 000000001f349000 CR4: 0000000000350ef0 [ 41.857881] Call Trace: [ 41.858263] [ 41.858601] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 41.859338] ? __create_object+0x59/0x80 [ 41.859986] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 41.860750] __vmalloc_noprof+0x59/0x60 [ 41.861397] bpf_prog_alloc_no_stats+0x55/0x470 [ 41.862122] ? __pfx_seccomp_check_filter+0x10/0x10 [ 41.862892] bpf_prog_alloc+0x39/0x200 [ 41.863459] ? __pfx_seccomp_check_filter+0x10/0x10 [ 41.864224] bpf_prog_create_from_user+0xb2/0x2f0 [ 41.864971] do_seccomp+0x349/0x25e0 [ 41.865536] ? __pfx_css_rstat_updated+0x10/0x10 [ 41.866271] ? __pfx_do_seccomp+0x10/0x10 [ 41.866906] ? find_held_lock+0x2b/0x80 [ 41.867492] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 41.868292] ? static_key_count+0x60/0x80 [ 41.868942] prctl_set_seccomp+0x4e/0x70 [ 41.869559] __do_sys_prctl+0xe6c/0x1d70 [ 41.870204] ? __pfx___do_sys_prctl+0x10/0x10 [ 41.870910] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 41.871664] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 41.872460] ? irqentry_exit+0xf3/0x650 [ 41.873085] do_syscall_64+0xbf/0x430 [ 41.873668] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 41.874454] RIP: 0033:0x7f1d631985cd [ 41.875035] 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 [ 41.877642] RSP: 002b:00007ffd42f11190 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 41.878758] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f1d631985cd [ 41.879811] RDX: 0000556e1712ce00 RSI: 0000000000000002 RDI: 0000000000000016 [ 41.880882] RBP: 00007ffd42f111f0 R08: 0000000000000000 R09: 00007ffd42f10890 [ 41.881952] R10: 0000000000000000 R11: 0000000000000246 R12: 0000556e1dee3bf0 [ 41.883014] R13: 00007ffd42f11620 R14: 0000556e1deed380 R15: 0000556e1def8460 [ 41.884076] [ 41.884426] irq event stamp: 1863 [ 41.884961] hardirqs last enabled at (1873): [] __up_console_sem+0x78/0x80 [ 41.886218] hardirqs last disabled at (1882): [] __up_console_sem+0x5d/0x80 [ 41.887466] softirqs last enabled at (1418): [] handle_softirqs+0x50c/0x770 [ 41.888723] softirqs last disabled at (1409): [] __irq_exit_rcu+0xc4/0x100 [ 41.890000] ---[ end trace 0000000000000000 ]--- [ 42.660385] ------------[ cut here ]------------ [ 42.661164] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 42.662864] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#0: sshd/249 [ 42.664049] Modules linked in: [ 42.664532] CPU: 0 UID: 104 PID: 249 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251117 #1 PREEMPT(voluntary) [ 42.666189] Tainted: [W]=WARN [ 42.666645] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 42.667874] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 42.668600] 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 [ 42.671237] RSP: 0018:ffff888019da7bc0 EFLAGS: 00010286 [ 42.672045] RAX: 0000000000000000 RBX: ffffed10033b4f78 RCX: ffffffff813a4050 [ 42.673118] RDX: ffff888016ab5340 RSI: ffffffff813a405e RDI: 0000000000000001 [ 42.674208] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed10033b4f2f [ 42.675281] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 42.676353] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff888019da7df8 [ 42.677433] FS: 00007f27fe709900(0000) GS:ffff8880e538f000(0000) knlGS:0000000000000000 [ 42.678629] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 42.679512] CR2: 00007fffb315def8 CR3: 000000000cc34000 CR4: 0000000000350ef0 [ 42.680583] Call Trace: [ 42.680993] [ 42.681344] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 42.682094] ? __create_object+0x59/0x80 [ 42.682707] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 42.683515] __vmalloc_noprof+0x59/0x60 [ 42.684152] bpf_prog_alloc_no_stats+0x55/0x470 [ 42.684870] ? __pfx_seccomp_check_filter+0x10/0x10 [ 42.685622] bpf_prog_alloc+0x39/0x200 [ 42.686230] ? __pfx_seccomp_check_filter+0x10/0x10 [ 42.686996] bpf_prog_create_from_user+0xb2/0x2f0 [ 42.687709] do_seccomp+0x349/0x25e0 [ 42.688313] ? find_held_lock+0x2b/0x80 [ 42.688934] ? do_prlimit+0x310/0x610 [ 42.689529] ? __pfx_do_seccomp+0x10/0x10 [ 42.690188] ? do_raw_spin_unlock+0x53/0x220 [ 42.690875] ? _raw_spin_unlock+0x1e/0x40 [ 42.691482] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 42.692278] ? static_key_count+0x60/0x80 [ 42.692946] prctl_set_seccomp+0x4e/0x70 [ 42.693562] __do_sys_prctl+0xe6c/0x1d70 [ 42.694218] ? __pfx___do_sys_prctl+0x10/0x10 [ 42.694931] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 42.695701] ? irqentry_exit+0xf3/0x650 [ 42.696345] do_syscall_64+0xbf/0x430 [ 42.696959] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 42.697717] RIP: 0033:0x7f27febfb5cd [ 42.698305] 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 [ 42.700957] RSP: 002b:00007fffb315c360 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 42.702100] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f27febfb5cd [ 42.703172] RDX: 0000557c79894e00 RSI: 0000000000000002 RDI: 0000000000000016 [ 42.704236] RBP: 00007fffb315c3c0 R08: 0000000000000000 R09: 00007fffb315ba60 [ 42.705312] R10: 0000000000000000 R11: 0000000000000246 R12: 0000557cb3e93240 [ 42.706379] R13: 00007fffb315c7f0 R14: 0000557cb3e92bf0 R15: 0000557cb3ea74d0 [ 42.707457] [ 42.707811] irq event stamp: 1699 [ 42.708359] hardirqs last enabled at (1709): [] __up_console_sem+0x78/0x80 [ 42.709660] hardirqs last disabled at (1718): [] __up_console_sem+0x5d/0x80 [ 42.710919] softirqs last enabled at (576): [] handle_softirqs+0x50c/0x770 [ 42.712186] softirqs last disabled at (571): [] __irq_exit_rcu+0xc4/0x100 [ 42.713444] ---[ end trace 0000000000000000 ]--- Warning: Permanently added '[localhost]:24341' (ECDSA) to the list of known hosts. 2025/11/18 04:27:11 fuzzer started 2025/11/18 04:27:11 dialing manager at localhost:37895 2025/11/18 04:27:11 checking machine... 2025/11/18 04:27:11 checking revisions... [ 43.643009] kmemleak: Automatic memory scanning thread ended 2025/11/18 04:27:12 testing simple program... [ 43.736635] cgroup: Unknown subsys name 'net' [ 43.806451] cgroup: Unknown subsys name 'cpuset' [ 43.819467] cgroup: Unknown subsys name 'rlimit' executing program executing program VM DIAGNOSIS: 04:27:11 Registers: info registers vcpu 0 RAX=ffff8880185f8ed0 RBX=0000000000000200 RCX=ffffffff8152d723 RDX=ffff888014ce25a0 RSI=0000000000000000 RDI=ffff88801efdfee0 RBP=ffff88801efdfee0 RSP=ffff88801837f6c8 R8 =0000000000000001 R9 =ffffed100306feca R10=0000000000000003 R11=0000000000000001 R12=ffff88800d319758 R13=0000000000000246 R14=ffff88801efdfee0 R15=ffff88800944c280 RIP=ffffffff81b61984 RFL=00000082 [--S----] 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 ffff8880e538f000 00000000 00000000 LDT=0000 fffffe2500000000 00000000 00000000 TR =0040 fffffe0000003000 00004087 00008b00 DPL=0 TSS64-busy GDT= fffffe0000001000 0000007f IDT= fffffe0000000000 00000fff CR0=80050033 CR2=00007ff785261790 CR3=000000001efbe000 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=0000000000000000fffffffe7ffbfeff XMM01=00000000000000000000000000000000 XMM02=00000000000000000000000000000000 XMM03=00000000000000020000000000000000 XMM04=00000000000000008000000000000006 XMM05=00000000000000000000000000000000 XMM06=00000000000000000000000000000000 XMM07=00000000000000000000000000000000 XMM08=2520737365726464616e657473696c00 XMM09=00000000000000000000000000000000 XMM10=00000000000000000000000000000000 XMM11=00000000000000000000000000000000 XMM12=00000000000000000000000000000000 XMM13=00000000000000000000000000000000 XMM14=00000000000000000000000000000000 XMM15=00000000000000000000000000000000 info registers vcpu 1 RAX=ffffffff86ac3945 RBX=0000000000000001 RCX=ffffffff86ac3940 RDX=0000000000000002 RSI=0000000000000005 RDI=ffffffff8672d4b4 RBP=ffff88800f59fa48 RSP=ffff88800f59f980 R8 =ffffffff86ac3940 R9 =0000000000000000 R10=000000000003c9ed R11=0000000000027440 R12=ffff88800f59fa50 R13=ffff88800f59fa38 R14=ffff88800f59fa31 R15=ffff88800f59f9f0 RIP=ffffffff8135e838 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 00007f1d62ca6900 00000000 00000000 GS =0000 ffff8880e548f000 00000000 00000000 LDT=0000 fffffe2f00000000 00000000 00000000 TR =0040 fffffe000004a000 00004087 00008b00 DPL=0 TSS64-busy GDT= fffffe0000048000 0000007f IDT= fffffe0000000000 00000fff CR0=80050033 CR2=00007f1d6325b650 CR3=000000001f3e2000 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=0000000000000000ffff000000000000 XMM02=2f00646f6874656d5f74707972636e65 XMM03=5320444f4854454d5f54505952434e45 XMM04=40404040404040404040404040404040 XMM05=5a5a5a5a5a5a5a5a5a5a5a5a5a5a5a5a XMM06=20202020202020202020202020202020 XMM07=ff00ffffffffffffffffffffffffffff XMM08=20002020202020200020202020202020 XMM09=0000ffffffffffffffffffffffffffff XMM10=00002020202020200020202020202020 XMM11=00000000000000000000000000000000 XMM12=00000000000000000000000000000000 XMM13=00000000000000000000000000000000 XMM14=00000000000000000000000000000000 XMM15=00000000000000000000000000000000