syzkaller login: [ 46.082229] ------------[ cut here ]------------ [ 46.083230] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 46.085397] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#0: sshd/237 [ 46.086986] Modules linked in: [ 46.087674] CPU: 0 UID: 104 PID: 237 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251117 #1 PREEMPT(voluntary) [ 46.090069] Tainted: [W]=WARN [ 46.090814] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 46.092409] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 46.093401] 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 [ 46.096814] RSP: 0018:ffff88801947fbc0 EFLAGS: 00010286 [ 46.097870] RAX: 0000000000000000 RBX: ffffed100328ff78 RCX: ffffffff813a4050 [ 46.099245] RDX: ffff8880195e1bc0 RSI: ffffffff813a405e RDI: 0000000000000001 [ 46.100605] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed100328ff2f [ 46.101959] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 46.103324] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff88801947fdf8 [ 46.104681] FS: 00007f420f365900(0000) GS:ffff8880e538f000(0000) knlGS:0000000000000000 [ 46.106192] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 46.107320] CR2: 00007f420f857580 CR3: 000000000c058000 CR4: 0000000000350ef0 [ 46.108691] Call Trace: [ 46.109184] [ 46.109684] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 46.110663] ? __create_object+0x59/0x80 [ 46.111440] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 46.112482] __vmalloc_noprof+0x59/0x60 [ 46.113276] bpf_prog_alloc_no_stats+0x55/0x470 [ 46.114197] ? __pfx_seccomp_check_filter+0x10/0x10 [ 46.115209] bpf_prog_alloc+0x39/0x200 [ 46.115994] ? __pfx_seccomp_check_filter+0x10/0x10 [ 46.116974] bpf_prog_create_from_user+0xb2/0x2f0 [ 46.117930] do_seccomp+0x349/0x25e0 [ 46.118705] ? __pfx_css_rstat_updated+0x10/0x10 [ 46.119676] ? __pfx_do_seccomp+0x10/0x10 [ 46.120460] ? find_held_lock+0x2b/0x80 [ 46.121270] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 46.122322] ? static_key_count+0x60/0x80 [ 46.123212] prctl_set_seccomp+0x4e/0x70 [ 46.124060] __do_sys_prctl+0xe6c/0x1d70 [ 46.124935] ? __pfx___do_sys_prctl+0x10/0x10 [ 46.125871] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 46.126957] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 46.127997] ? irqentry_exit+0xf3/0x650 [ 46.128835] do_syscall_64+0xbf/0x430 [ 46.129672] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 46.130713] RIP: 0033:0x7f420f8575cd [ 46.131426] 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 [ 46.134848] RSP: 002b:00007ffcb66d7e70 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 46.136304] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f420f8575cd [ 46.137689] RDX: 0000563af727fe00 RSI: 0000000000000002 RDI: 0000000000000016 [ 46.139079] RBP: 00007ffcb66d7ed0 R08: 0000000000000000 R09: 00007ffcb66d7570 [ 46.140471] R10: 0000000000000000 R11: 0000000000000246 R12: 0000563b15cedb10 [ 46.141863] R13: 00007ffcb66d8300 R14: 0000563b15cee2b0 R15: 0000563b15d026f0 [ 46.143303] [ 46.143817] irq event stamp: 1793 [ 46.144491] hardirqs last enabled at (1801): [] __up_console_sem+0x78/0x80 [ 46.146153] hardirqs last disabled at (1820): [] __up_console_sem+0x5d/0x80 [ 46.147792] softirqs last enabled at (1818): [] handle_softirqs+0x50c/0x770 [ 46.149473] softirqs last disabled at (1809): [] __irq_exit_rcu+0xc4/0x100 [ 46.151119] ---[ end trace 0000000000000000 ]--- [ 49.564638] ------------[ cut here ]------------ [ 49.565519] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 49.568080] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#0: sshd/245 [ 49.569583] Modules linked in: [ 49.570183] CPU: 0 UID: 104 PID: 245 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251117 #1 PREEMPT(voluntary) [ 49.572206] Tainted: [W]=WARN [ 49.572831] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 49.574292] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 49.575213] 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 [ 49.578398] RSP: 0018:ffff888013b3fbc0 EFLAGS: 00010286 [ 49.579392] RAX: 0000000000000000 RBX: ffffed1002767f78 RCX: ffffffff813a4050 [ 49.580669] RDX: ffff88801aafb780 RSI: ffffffff813a405e RDI: 0000000000000001 [ 49.581971] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed1002767f2f [ 49.583267] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 49.584584] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff888013b3fdf8 [ 49.585879] FS: 00007f466ee45900(0000) GS:ffff8880e538f000(0000) knlGS:0000000000000000 [ 49.587325] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 49.588403] CR2: 00007f466f337580 CR3: 00000000202cc000 CR4: 0000000000350ef0 [ 49.589698] Call Trace: [ 49.590161] [ 49.590609] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 49.591480] ? __create_object+0x59/0x80 [ 49.592263] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 49.593276] __vmalloc_noprof+0x59/0x60 [ 49.594067] bpf_prog_alloc_no_stats+0x55/0x470 [ 49.594970] ? __pfx_seccomp_check_filter+0x10/0x10 [ 49.595910] bpf_prog_alloc+0x39/0x200 [ 49.596668] ? __pfx_seccomp_check_filter+0x10/0x10 [ 49.597605] bpf_prog_create_from_user+0xb2/0x2f0 [ 49.598461] do_seccomp+0x349/0x25e0 [ 49.599208] ? __pfx_css_rstat_updated+0x10/0x10 [ 49.600108] ? __pfx_do_seccomp+0x10/0x10 [ 49.600908] ? find_held_lock+0x2b/0x80 [ 49.601684] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 49.602658] ? static_key_count+0x60/0x80 [ 49.603444] prctl_set_seccomp+0x4e/0x70 [ 49.604244] __do_sys_prctl+0xe6c/0x1d70 [ 49.605038] ? __pfx___do_sys_prctl+0x10/0x10 [ 49.605904] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 49.606892] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 49.607873] ? irqentry_exit+0xf3/0x650 [ 49.608654] do_syscall_64+0xbf/0x430 [ 49.609349] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 49.610304] RIP: 0033:0x7f466f3375cd [ 49.611016] 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 [ 49.614220] RSP: 002b:00007ffe9c96aea0 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 49.615810] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f466f3375cd [ 49.617395] RDX: 000055de1158ae00 RSI: 0000000000000002 RDI: 0000000000000016 [ 49.618860] RBP: 00007ffe9c96af00 R08: 0000000000000000 R09: 00007ffe9c96a5a0 [ 49.620150] R10: 0000000000000000 R11: 0000000000000246 R12: 000055de1cabdbf0 [ 49.621447] R13: 00007ffe9c96b330 R14: 000055de1cac7380 R15: 000055de1cad2460 [ 49.622769] [ 49.623201] irq event stamp: 1763 [ 49.623865] hardirqs last enabled at (1773): [] __up_console_sem+0x78/0x80 [ 49.625422] hardirqs last disabled at (1782): [] __up_console_sem+0x5d/0x80 [ 49.626970] softirqs last enabled at (1742): [] handle_softirqs+0x50c/0x770 [ 49.628534] softirqs last disabled at (1737): [] __irq_exit_rcu+0xc4/0x100 [ 49.630094] ---[ end trace 0000000000000000 ]--- [ 50.421316] ------------[ cut here ]------------ [ 50.422236] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 50.424233] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#0: sshd/252 [ 50.425707] Modules linked in: [ 50.426281] CPU: 0 UID: 104 PID: 252 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251117 #1 PREEMPT(voluntary) [ 50.428253] Tainted: [W]=WARN [ 50.428863] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 50.430330] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 50.431362] 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 [ 50.435003] RSP: 0018:ffff888016f9fbc0 EFLAGS: 00010286 [ 50.435962] RAX: 0000000000000000 RBX: ffffed1002df3f78 RCX: ffffffff813a4050 [ 50.437226] RDX: ffff888010053780 RSI: ffffffff813a405e RDI: 0000000000000001 [ 50.438478] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed1002df3f2f [ 50.439753] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 50.441072] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff888016f9fdf8 [ 50.442338] FS: 00007fa3b7bb2900(0000) GS:ffff8880e538f000(0000) knlGS:0000000000000000 [ 50.443769] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 50.444822] CR2: 00007fa3b80a4580 CR3: 00000000203b6000 CR4: 0000000000350ef0 [ 50.446101] Call Trace: [ 50.446598] [ 50.447014] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 50.447890] ? __create_object+0x59/0x80 [ 50.448660] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 50.449610] __vmalloc_noprof+0x59/0x60 [ 50.450321] bpf_prog_alloc_no_stats+0x55/0x470 [ 50.451188] ? __pfx_seccomp_check_filter+0x10/0x10 [ 50.452105] bpf_prog_alloc+0x39/0x200 [ 50.452842] ? __pfx_seccomp_check_filter+0x10/0x10 [ 50.453765] bpf_prog_create_from_user+0xb2/0x2f0 [ 50.454653] do_seccomp+0x349/0x25e0 [ 50.455331] ? __pfx_css_rstat_updated+0x10/0x10 [ 50.456213] ? __pfx_do_seccomp+0x10/0x10 [ 50.457000] ? find_held_lock+0x2b/0x80 [ 50.457763] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 50.458730] ? static_key_count+0x60/0x80 [ 50.459479] prctl_set_seccomp+0x4e/0x70 [ 50.460243] __do_sys_prctl+0xe6c/0x1d70 [ 50.461020] ? __pfx___do_sys_prctl+0x10/0x10 [ 50.461866] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 50.462842] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 50.463803] ? irqentry_exit+0xf3/0x650 [ 50.464514] do_syscall_64+0xbf/0x430 [ 50.465250] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 50.466194] RIP: 0033:0x7fa3b80a45cd [ 50.466905] 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 [ 50.470000] RSP: 002b:00007ffc65027820 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 50.471343] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007fa3b80a45cd [ 50.472612] RDX: 000055faaa7b1e00 RSI: 0000000000000002 RDI: 0000000000000016 [ 50.473868] RBP: 00007ffc65027880 R08: 0000000000000000 R09: 00007ffc65026f20 [ 50.475141] R10: 0000000000000000 R11: 0000000000000246 R12: 000055facc5c6ad0 [ 50.476417] R13: 00007ffc65027cb0 R14: 000055facc5c7bc0 R15: 000055facc5d8780 [ 50.477709] [ 50.478126] irq event stamp: 1765 [ 50.478786] hardirqs last enabled at (1775): [] __up_console_sem+0x78/0x80 [ 50.480303] hardirqs last disabled at (1784): [] __up_console_sem+0x5d/0x80 [ 50.481815] softirqs last enabled at (1714): [] handle_softirqs+0x50c/0x770 [ 50.483351] softirqs last disabled at (1709): [] __irq_exit_rcu+0xc4/0x100 [ 50.484855] ---[ end trace 0000000000000000 ]--- Warning: Permanently added '[localhost]:45232' (ECDSA) to the list of known hosts. 2025/11/18 05:59:35 fuzzer started 2025/11/18 05:59:35 dialing manager at localhost:37895 2025/11/18 05:59:35 checking machine... 2025/11/18 05:59:35 checking revisions... [ 51.398595] kmemleak: Automatic memory scanning thread ended 2025/11/18 05:59:35 testing simple program... [ 51.491783] cgroup: Unknown subsys name 'net' [ 51.550176] cgroup: Unknown subsys name 'cpuset' [ 51.567677] cgroup: Unknown subsys name 'rlimit' executing program executing program VM DIAGNOSIS: 05:59:34 Registers: info registers vcpu 0 RAX=0000000000000003 RBX=0000000000000001 RCX=ffffffff86a49c36 RDX=0000000000000000 RSI=0000000000000000 RDI=0000000000000001 RBP=ffff888015407618 RSP=ffff888015407550 R8 =ffffffff86a49c3a R9 =0000000000000000 R10=000000000003c9ed R11=0000000000012f69 R12=ffff888015407620 R13=ffff888015407608 R14=ffff888015407601 R15=ffff8880154075c0 RIP=ffffffff8135e882 RFL=00000206 [-----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 00007f8cb8f75900 00000000 00000000 GS =0000 ffff8880e538f000 00000000 00000000 LDT=0000 fffffe1600000000 00000000 00000000 TR =0040 fffffe0000003000 00004087 00008b00 DPL=0 TSS64-busy GDT= fffffe0000001000 0000007f IDT= fffffe0000000000 00000fff CR0=80050033 CR2=00007f8cb868e000 CR3=000000000cea9000 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=0000000000000000646873733d4d4d4f XMM02=ffffffffffffffffffffffffffffffff XMM03=2f6c616e72756f6a2f676f6c2f6e7572 XMM04=81368550d2e5495b00000000000ae988 XMM05=7881fac8e8fce8e40000000000322ca8 XMM06=e1bcd410fb3842e60000000000321b08 XMM07=00000000000000000000000000000000 XMM08=415453454d49545f454d49544c414552 XMM09=00000000000000000000000000000000 XMM10=20200000000020202020202020200000 XMM11=00000000000000000000000000000000 XMM12=00000000000000000000000000000000 XMM13=00000000000000000000000000000000 XMM14=00000000000000000000000000000000 XMM15=00000000000000000000000000000000 info registers vcpu 1 RAX=ffffffff87ce3608 RBX=0000000000000200 RCX=0000000000000200 RDX=0000000000000008 RSI=ffff888015472668 RDI=ffff888015471bc0 RBP=ffff888015471bc0 RSP=ffff88806cf08848 R8 =0000000000000000 R9 =0000000000000005 R10=0000000000000001 R11=0000000000000000 R12=0000000000000009 R13=0000000000000002 R14=ffff888015472668 R15=0000000000000003 RIP=ffffffff815265b1 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 =0018 0000000000000000 ffffffff 00c09300 DPL=0 DS [-WA] DS =0000 0000000000000000 00000000 00000000 FS =0000 00007f466ee45900 00000000 00000000 GS =0000 ffff8880e548f000 00000000 00000000 LDT=0000 fffffe4500000000 00000000 00000000 TR =0040 fffffe000004a000 00004087 00008b00 DPL=0 TSS64-busy GDT= fffffe0000048000 0000007f IDT= fffffe0000000000 00000fff CR0=80050033 CR2=00007ffe9c965000 CR3=00000000202dc000 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