syzkaller login: [ 39.068403] ------------[ cut here ]------------ [ 39.069194] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 39.070883] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#1: sshd/233 [ 39.072081] Modules linked in: [ 39.072589] CPU: 1 UID: 104 PID: 233 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251118 #1 PREEMPT(voluntary) [ 39.074243] Tainted: [W]=WARN [ 39.074702] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 39.075916] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 39.076643] 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 [ 39.079294] RSP: 0018:ffff888015d2fbc0 EFLAGS: 00010286 [ 39.080120] RAX: 0000000000000000 RBX: ffffed1002ba5f78 RCX: ffffffff813a4050 [ 39.081210] RDX: ffff888015cc8000 RSI: ffffffff813a405e RDI: 0000000000000001 [ 39.082287] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed1002ba5f2f [ 39.083346] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 39.084415] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff888015d2fdf8 [ 39.085497] FS: 00007f56031e9900(0000) GS:ffff8880e548f000(0000) knlGS:0000000000000000 [ 39.086688] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 39.087568] CR2: 00007f560374f4a6 CR3: 000000000d42f000 CR4: 0000000000350ef0 [ 39.088643] Call Trace: [ 39.089068] [ 39.089411] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 39.090171] ? __create_object+0x59/0x80 [ 39.090813] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 39.091583] __vmalloc_noprof+0x59/0x60 [ 39.092220] bpf_prog_alloc_no_stats+0x55/0x470 [ 39.092943] ? __pfx_seccomp_check_filter+0x10/0x10 [ 39.093677] bpf_prog_alloc+0x39/0x200 [ 39.094291] ? __pfx_seccomp_check_filter+0x10/0x10 [ 39.095070] bpf_prog_create_from_user+0xb2/0x2f0 [ 39.095828] do_seccomp+0x349/0x25e0 [ 39.096393] ? find_held_lock+0x2b/0x80 [ 39.097028] ? do_prlimit+0x310/0x610 [ 39.097606] ? __pfx_do_seccomp+0x10/0x10 [ 39.098263] ? do_raw_spin_unlock+0x53/0x220 [ 39.098961] ? _raw_spin_unlock+0x1e/0x40 [ 39.099571] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 39.100369] ? static_key_count+0x60/0x80 [ 39.101045] prctl_set_seccomp+0x4e/0x70 [ 39.101649] __do_sys_prctl+0xe6c/0x1d70 [ 39.102311] ? __pfx___do_sys_prctl+0x10/0x10 [ 39.103016] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 39.103834] ? irqentry_exit+0xf3/0x650 [ 39.104432] do_syscall_64+0xbf/0x430 [ 39.105063] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 39.105864] RIP: 0033:0x7f56036db5cd [ 39.106415] 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 [ 39.109057] RSP: 002b:00007ffd0f6e4270 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 39.110193] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f56036db5cd [ 39.111252] RDX: 000055d6ba4e2e00 RSI: 0000000000000002 RDI: 0000000000000016 [ 39.112322] RBP: 00007ffd0f6e42d0 R08: 0000000000000000 R09: 00007ffd0f6e3970 [ 39.113407] R10: 0000000000000000 R11: 0000000000000246 R12: 000055d6ec3b0ad0 [ 39.114470] R13: 00007ffd0f6e4700 R14: 000055d6ec3b1bc0 R15: 000055d6ec3c2780 [ 39.115551] [ 39.115943] irq event stamp: 1715 [ 39.116443] hardirqs last enabled at (1723): [] __up_console_sem+0x78/0x80 [ 39.117712] hardirqs last disabled at (1732): [] __up_console_sem+0x5d/0x80 [ 39.118970] softirqs last enabled at (1260): [] handle_softirqs+0x50c/0x770 [ 39.120249] softirqs last disabled at (1251): [] __irq_exit_rcu+0xc4/0x100 [ 39.121536] ---[ end trace 0000000000000000 ]--- [ 42.658841] ------------[ cut here ]------------ [ 42.659702] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 42.661679] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#1: sshd/241 [ 42.663120] Modules linked in: [ 42.663705] CPU: 1 UID: 104 PID: 241 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251118 #1 PREEMPT(voluntary) [ 42.665652] Tainted: [W]=WARN [ 42.666256] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 42.667697] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 42.668661] 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 [ 42.671808] RSP: 0018:ffff888016a17bc0 EFLAGS: 00010286 [ 42.672737] RAX: 0000000000000000 RBX: ffffed1002d42f78 RCX: ffffffff813a4050 [ 42.674030] RDX: ffff88800f579bc0 RSI: ffffffff813a405e RDI: 0000000000000001 [ 42.675287] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed1002d42f2f [ 42.676568] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 42.677830] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff888016a17df8 [ 42.679106] FS: 00007f280f523900(0000) GS:ffff8880e548f000(0000) knlGS:0000000000000000 [ 42.680532] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 42.681595] CR2: 00007f280fa15580 CR3: 0000000009c78000 CR4: 0000000000350ef0 [ 42.682875] Call Trace: [ 42.683336] [ 42.683738] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 42.684640] ? __create_object+0x59/0x80 [ 42.685412] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 42.686365] __vmalloc_noprof+0x59/0x60 [ 42.687115] bpf_prog_alloc_no_stats+0x55/0x470 [ 42.687980] ? __pfx_seccomp_check_filter+0x10/0x10 [ 42.688908] bpf_prog_alloc+0x39/0x200 [ 42.689596] ? __pfx_seccomp_check_filter+0x10/0x10 [ 42.690519] bpf_prog_create_from_user+0xb2/0x2f0 [ 42.691417] do_seccomp+0x349/0x25e0 [ 42.692146] ? __pfx_do_seccomp+0x10/0x10 [ 42.692938] ? static_key_count+0x1c/0x80 [ 42.693674] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 42.694623] ? static_key_count+0x60/0x80 [ 42.695419] prctl_set_seccomp+0x4e/0x70 [ 42.696190] __do_sys_prctl+0xe6c/0x1d70 [ 42.696990] ? __pfx___do_sys_prctl+0x10/0x10 [ 42.697837] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 42.698745] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 42.699704] ? irqentry_exit+0xf3/0x650 [ 42.700457] do_syscall_64+0xbf/0x430 [ 42.701199] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 42.702127] RIP: 0033:0x7f280fa155cd [ 42.702827] 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 [ 42.705961] RSP: 002b:00007fffcb536540 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 42.707294] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f280fa155cd [ 42.708551] RDX: 000055bed38a3e00 RSI: 0000000000000002 RDI: 0000000000000016 [ 42.709822] RBP: 00007fffcb5365a0 R08: 0000000000000000 R09: 00007fffcb535c40 [ 42.711090] R10: 0000000000000000 R11: 0000000000000246 R12: 000055bf133b6ad0 [ 42.712365] R13: 00007fffcb5369d0 R14: 000055bf133b7bc0 R15: 000055bf133c8780 [ 42.713661] [ 42.714132] irq event stamp: 1705 [ 42.714732] hardirqs last enabled at (1713): [] __up_console_sem+0x78/0x80 [ 42.716266] hardirqs last disabled at (1724): [] __up_console_sem+0x5d/0x80 [ 42.717779] softirqs last enabled at (1702): [] handle_softirqs+0x50c/0x770 [ 42.719287] softirqs last disabled at (1697): [] __irq_exit_rcu+0xc4/0x100 [ 42.720799] ---[ end trace 0000000000000000 ]--- [ 43.597360] ------------[ cut here ]------------ [ 43.598259] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 43.600253] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#1: sshd/249 [ 43.601677] Modules linked in: [ 43.602303] CPU: 1 UID: 104 PID: 249 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251118 #1 PREEMPT(voluntary) [ 43.604231] Tainted: [W]=WARN [ 43.604834] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 43.606506] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 43.607486] 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 [ 43.610617] RSP: 0018:ffff88801bc2fbc0 EFLAGS: 00010286 [ 43.611575] RAX: 0000000000000000 RBX: ffffed1003785f78 RCX: ffffffff813a4050 [ 43.612840] RDX: ffff888017661bc0 RSI: ffffffff813a405e RDI: 0000000000000001 [ 43.614096] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed1003785f2f [ 43.615358] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 43.616626] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff88801bc2fdf8 [ 43.617898] FS: 00007f792d804900(0000) GS:ffff8880e548f000(0000) knlGS:0000000000000000 [ 43.619304] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 43.620342] CR2: 00007f792dcf6580 CR3: 0000000009cbe000 CR4: 0000000000350ef0 [ 43.621606] Call Trace: [ 43.622104] [ 43.622503] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 43.623384] ? __create_object+0x59/0x80 [ 43.624153] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 43.625118] __vmalloc_noprof+0x59/0x60 [ 43.625860] bpf_prog_alloc_no_stats+0x55/0x470 [ 43.626671] ? __pfx_seccomp_check_filter+0x10/0x10 [ 43.627586] bpf_prog_alloc+0x39/0x200 [ 43.628314] ? __pfx_seccomp_check_filter+0x10/0x10 [ 43.629240] bpf_prog_create_from_user+0xb2/0x2f0 [ 43.630129] do_seccomp+0x349/0x25e0 [ 43.630838] ? __pfx_css_rstat_updated+0x10/0x10 [ 43.631683] ? __pfx_do_seccomp+0x10/0x10 [ 43.632457] ? find_held_lock+0x2b/0x80 [ 43.633206] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 43.634154] ? static_key_count+0x60/0x80 [ 43.634948] prctl_set_seccomp+0x4e/0x70 [ 43.635671] __do_sys_prctl+0xe6c/0x1d70 [ 43.636429] ? __pfx___do_sys_prctl+0x10/0x10 [ 43.637282] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 43.638243] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 43.639191] ? irqentry_exit+0xf3/0x650 [ 43.639946] do_syscall_64+0xbf/0x430 [ 43.640641] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 43.641571] RIP: 0033:0x7f792dcf65cd [ 43.642263] 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 [ 43.645372] RSP: 002b:00007ffc01808620 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 43.646696] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f792dcf65cd [ 43.647966] RDX: 000055d2c09d9e00 RSI: 0000000000000002 RDI: 0000000000000016 [ 43.649245] RBP: 00007ffc01808680 R08: 0000000000000000 R09: 00007ffc01807d20 [ 43.650504] R10: 0000000000000000 R11: 0000000000000246 R12: 000055d2cda2dad0 [ 43.651782] R13: 00007ffc01808ab0 R14: 000055d2cda2ebc0 R15: 000055d2cda3f780 [ 43.653073] [ 43.653491] irq event stamp: 1805 [ 43.654128] hardirqs last enabled at (1815): [] __up_console_sem+0x78/0x80 [ 43.655624] hardirqs last disabled at (1824): [] __up_console_sem+0x5d/0x80 [ 43.657117] softirqs last enabled at (1752): [] handle_softirqs+0x50c/0x770 [ 43.658641] softirqs last disabled at (1747): [] __irq_exit_rcu+0xc4/0x100 [ 43.660122] ---[ end trace 0000000000000000 ]--- Warning: Permanently added '[localhost]:56222' (ECDSA) to the list of known hosts. 2025/11/18 20:45:09 fuzzer started 2025/11/18 20:45:09 dialing manager at localhost:34383 2025/11/18 20:45:09 checking machine... 2025/11/18 20:45:09 checking revisions... [ 44.557228] kmemleak: Automatic memory scanning thread ended 2025/11/18 20:45:10 testing simple program... [ 44.655999] cgroup: Unknown subsys name 'net' [ 44.725841] cgroup: Unknown subsys name 'cpuset' [ 44.746978] cgroup: Unknown subsys name 'rlimit' executing program executing program executing program VM DIAGNOSIS: 20:45:09 Registers: info registers vcpu 0 RAX=ffffea0000355a80 RBX=ffff88800d56a520 RCX=ffffffff813748f0 RDX=ffff888008c4b780 RSI=ffffffff813746f0 RDI=0000000000000001 RBP=ffff888009627be0 RSP=ffff888009627b18 R8 =0000000000000001 R9 =0000000000000000 R10=0000000000000000 R11=0000000000000001 R12=ffffea000036a5c0 R13=ffff88800da97180 R14=ffff888008c41780 R15=0000000000000000 RIP=ffffffff81b2a1bc RFL=00000282 [--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 fffffe0e00000000 00000000 00000000 TR =0040 fffffe0000003000 00004087 00008b00 DPL=0 TSS64-busy GDT= fffffe0000001000 0000007f IDT= fffffe0000000000 00000fff CR0=80050033 CR2=00007f280fad8650 CR3=000000000dd73000 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=72662064657463656e6e6f6373694420 XMM01=2e303120746f6f722072657375206d6f XMM02=6f63736964203a31313a363237343420 XMM03=7266207463656e6e6f63736964206465 XMM04=69662068637573206f4e203a656c6163 XMM05=3a656c696620766e65206e65706f206f XMM06=65733a6468737328766e655f6d617020 XMM07=6b7a79732038303a35343a3032203831 XMM08=30343d7974696c696261706163202279 XMM09=00000000000000000000000000000000 XMM10=00000000000000000000000000000000 XMM11=00000000000000000000000000000000 XMM12=00000000000000000000000000000000 XMM13=00000000000000000000000000000000 XMM14=00000000000000000000000000000000 XMM15=00000000000000000000000000000000 info registers vcpu 1 RAX=dffffc0000000000 RBX=ffff888019a4a0d8 RCX=1ffff1100334941b RDX=ffff88801a40d340 RSI=ffff888013e1bf00 RDI=ffff888013e1bf00 RBP=ffff88801671fac8 RSP=ffff88801671f9b8 R8 =0000000000000001 R9 =ffff88801a40d340 R10=ffffffff8664f857 R11=1ffff1100d9e7003 R12=ffff888019a49bc0 R13=ffff88801a40d850 R14=ffff88806cf37340 R15=0000000000000001 RIP=ffffffff84c7e0e0 RFL=00000046 [---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 00007f24e5cfc700 00000000 00000000 GS =0000 ffff8880e548f000 00000000 00000000 LDT=0000 fffffe1900000000 00000000 00000000 TR =0040 fffffe000004a000 00004087 00008b00 DPL=0 TSS64-busy GDT= fffffe0000048000 0000007f IDT= fffffe0000000000 00000fff CR0=80050033 CR2=00007f03372e86f8 CR3=000000000dd73000 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=2038303a35343a303220383120766f4e XMM01=657463656e6e6f63736944203a5d3034 XMM02=302e303120746f6f722072657375206d XMM03=203a5d3034325b646873732072656c6c XMM04=69662068637573206f4e203a656c6163 XMM05=3a656c696620766e65206e65706f206f XMM06=65733a6468737328766e655f6d617020 XMM07=6b7a79732038303a35343a3032203831 XMM08=30343d7974696c696261706163202279 XMM09=00000000000000000000000000000000 XMM10=00000000000000000000000000000000 XMM11=00000000000000000000000000000000 XMM12=00000000000000000000000000000000 XMM13=00000000000000000000000000000000 XMM14=00000000000000000000000000000000 XMM15=00000000000000000000000000000000