RBP: 00007efe3fa1b1d0 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002 R13: 00007ffd1648395f R14: 00007efe3fa1b300 R15: 0000000000022000 ------------[ cut here ]------------ WARNING: CPU: 0 PID: 185317 at mm/vmscan.c:681 register_shrinker_prepared+0xe9/0x120 Modules linked in: CPU: 0 PID: 185317 Comm: syz-executor.3 Not tainted 5.19.0-rc1-next-20220607 #1 Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.14.0-0-g155821a1990b-prebuilt.qemu.org 04/01/2014 RIP: 0010:register_shrinker_prepared+0xe9/0x120 Code: 00 31 ff 89 c5 89 c6 e8 a5 ba e4 ff 85 ed 75 15 e8 cc bd e4 ff 48 c7 c7 60 74 28 85 5b 5d 41 5c e9 5c 10 c8 ff e8 b7 bd e4 ff <0f> 0b eb e2 e8 6e be 17 00 eb c0 48 89 df e8 f4 be 17 00 eb 89 e8 RSP: 0018:ffff88803e3a7c30 EFLAGS: 00010216 RAX: 0000000000011366 RBX: ffff888038600778 RCX: ffffc90005105000 RDX: 0000000000040000 RSI: ffffffff815f8e39 RDI: 0000000000000005 RBP: 00000000fffffff4 R08: 0000000000000005 R09: 0000000000000000 R10: 00000000fffffff4 R11: 0000000000000001 R12: ffff88800e372778 R13: ffff88800e372150 R14: ffff88800e372000 R15: ffffffff853cf320 FS: 00007f3399049700(0000) GS:ffff88806ce00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007f34039de108 CR3: 000000001d6a2000 CR4: 0000000000350ef0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000ffff4ff0 DR7: 0000000000000600 Call Trace: sget_fc+0x5c0/0x7a0 get_tree_nodev+0x24/0x1d0 mqueue_get_tree+0xee/0x130 vfs_get_tree+0x8e/0x2f0 fc_mount+0x13/0xc0 mq_init_ns+0x43e/0x630 copy_ipcs+0x35e/0x5d0 create_new_namespaces+0x210/0xb30 unshare_nsproxy_namespaces+0xc1/0x1f0 ksys_unshare+0x445/0x8d0 __x64_sys_unshare+0x2d/0x40 do_syscall_64+0x3b/0x90 entry_SYSCALL_64_after_hwframe+0x46/0xb0 RIP: 0033:0x7f339bad3b19 Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 bc ff ff ff f7 d8 64 89 01 48 RSP: 002b:00007f3399049188 EFLAGS: 00000246 ORIG_RAX: 0000000000000110 RAX: ffffffffffffffda RBX: 00007f339bbe6f60 RCX: 00007f339bad3b19 RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000008000000 RBP: 00007f33990491d0 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002 R13: 00007ffdd1c64e2f R14: 00007f3399049300 R15: 0000000000022000 irq event stamp: 985 hardirqs last enabled at (993): [] vprintk_emit+0x57f/0x5e0 hardirqs last disabled at (1000): [] vprintk_emit+0x516/0x5e0 softirqs last enabled at (750): [] __irq_exit_rcu+0x113/0x170 softirqs last disabled at (741): [] __irq_exit_rcu+0x113/0x170 ---[ end trace 0000000000000000 ]--- audit: type=1401 audit(1654599612.225:396): op=setxattr invalid_context="" mac80211_hwsim: wmediumd released netlink socket, switching to perfect channel medium FAULT_INJECTION: forcing a failure. name fail_usercopy, interval 1, probability 0, space 0, times 0 CPU: 1 PID: 185414 Comm: syz-executor.7 Tainted: G W 5.19.0-rc1-next-20220607 #1 Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.14.0-0-g155821a1990b-prebuilt.qemu.org 04/01/2014 Call Trace: dump_stack_lvl+0x8b/0xb3 should_fail.cold+0x5/0xa _copy_to_iter+0x393/0x1820 get_random_bytes_user+0x173/0x3b0 new_sync_read+0x38a/0x5f0 vfs_read+0x490/0x5d0 ksys_read+0x127/0x250 do_syscall_64+0x3b/0x90 entry_SYSCALL_64_after_hwframe+0x46/0xb0 RIP: 0033:0x7efe424a5b19 Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 bc ff ff ff f7 d8 64 89 01 48 RSP: 002b:00007efe3fa1b188 EFLAGS: 00000246 ORIG_RAX: 0000000000000000 RAX: ffffffffffffffda RBX: 00007efe425b8f60 RCX: 00007efe424a5b19 RDX: 0000000000002000 RSI: 0000000020000000 RDI: 0000000000000003 RBP: 00007efe3fa1b1d0 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002 R13: 00007ffd1648395f R14: 00007efe3fa1b300 R15: 0000000000022000 Bluetooth: hci0: command 0x0c26 tx timeout FAULT_INJECTION: forcing a failure. name fail_usercopy, interval 1, probability 0, space 0, times 0 CPU: 0 PID: 185438 Comm: syz-executor.7 Tainted: G W 5.19.0-rc1-next-20220607 #1 Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.14.0-0-g155821a1990b-prebuilt.qemu.org 04/01/2014 Call Trace: dump_stack_lvl+0x8b/0xb3 should_fail.cold+0x5/0xa _copy_to_iter+0x393/0x1820 get_random_bytes_user+0x173/0x3b0 new_sync_read+0x38a/0x5f0 vfs_read+0x490/0x5d0 ksys_read+0x127/0x250 do_syscall_64+0x3b/0x90 entry_SYSCALL_64_after_hwframe+0x46/0xb0 RIP: 0033:0x7efe424a5b19 Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 bc ff ff ff f7 d8 64 89 01 48 RSP: 002b:00007efe3fa1b188 EFLAGS: 00000246 ORIG_RAX: 0000000000000000 RAX: ffffffffffffffda RBX: 00007efe425b8f60 RCX: 00007efe424a5b19 RDX: 0000000000002000 RSI: 0000000020000000 RDI: 0000000000000003 RBP: 00007efe3fa1b1d0 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000003 R13: 00007ffd1648395f R14: 00007efe3fa1b300 R15: 0000000000022000 audit: type=1401 audit(1654599612.701:397): op=setxattr invalid_context="" loop0: unable to read partition table mac80211_hwsim: wmediumd released netlink socket, switching to perfect channel medium debugfs: out of free dentries, can not create directory 'sb-mqueue-49' EXT4-fs (sda): re-mounted. Quota mode: none. loop0: unable to read partition table mac80211_hwsim: wmediumd released netlink socket, switching to perfect channel medium loop0: unable to read partition table blk_print_req_error: 16 callbacks suppressed I/O error, dev loop0, sector 0 op 0x0:(READ) flags 0x0 phys_seg 1 prio class 0 buffer_io_error: 16 callbacks suppressed Buffer I/O error on dev loop0, logical block 0, async page read EXT4-fs (sda): re-mounted. Quota mode: none. debugfs: out of free dentries, can not create directory 'sb-mqueue-49' EXT4-fs (sda): re-mounted. Quota mode: none. I/O error, dev loop0, sector 0 op 0x0:(READ) flags 0x0 phys_seg 1 prio class 0 Buffer I/O error on dev loop0, logical block 0, async page read I/O error, dev loop0, sector 0 op 0x0:(READ) flags 0x0 phys_seg 1 prio class 0 Buffer I/O error on dev loop0, logical block 0, async page read loop0: unable to read partition table I/O error, dev loop0, sector 0 op 0x0:(READ) flags 0x0 phys_seg 1 prio class 0 Buffer I/O error on dev loop0, logical block 0, async page read I/O error, dev loop0, sector 0 op 0x0:(READ) flags 0x0 phys_seg 1 prio class 0 Buffer I/O error on dev loop0, logical block 0, async page read I/O error, dev loop0, sector 0 op 0x0:(READ) flags 0x0 phys_seg 1 prio class 0 Buffer I/O error on dev loop0, logical block 0, async page read loop0: unable to read partition table I/O error, dev loop0, sector 0 op 0x0:(READ) flags 0x0 phys_seg 1 prio class 0 Buffer I/O error on dev loop0, logical block 0, async page read EXT4-fs (sda): re-mounted. Quota mode: none. I/O error, dev loop0, sector 0 op 0x0:(READ) flags 0x0 phys_seg 1 prio class 0 Buffer I/O error on dev loop0, logical block 0, async page read I/O error, dev loop0, sector 0 op 0x0:(READ) flags 0x0 phys_seg 1 prio class 0 Buffer I/O error on dev loop0, logical block 0, async page read loop0: unable to read partition table debugfs: out of free dentries, can not create file 'count' debugfs: out of free dentries, can not create file 'count' program syz-executor.1 is using a deprecated SCSI ioctl, please convert it to SG_IO I/O error, dev loop0, sector 0 op 0x0:(READ) flags 0x0 phys_seg 1 prio class 0 Buffer I/O error on dev loop0, logical block 0, async page read loop0: unable to read partition table program syz-executor.1 is using a deprecated SCSI ioctl, please convert it to SG_IO EXT4-fs: Invalid want_extra_isize 0 EXT4-fs: Invalid want_extra_isize 0 program syz-executor.1 is using a deprecated SCSI ioctl, please convert it to SG_IO loop0: unable to read partition table netlink: 'syz-executor.6': attribute type 29 has an invalid length. program syz-executor.1 is using a deprecated SCSI ioctl, please convert it to SG_IO netlink: 'syz-executor.6': attribute type 29 has an invalid length. debugfs: out of free dentries, can not create file 'scan' loop0: unable to read partition table netlink: 'syz-executor.6': attribute type 29 has an invalid length. netlink: 'syz-executor.6': attribute type 29 has an invalid length. loop0: unable to read partition table debugfs: out of free dentries, can not create file 'scan' loop0: unable to read partition table loop0: unable to read partition table blk_print_req_error: 18 callbacks suppressed I/O error, dev loop0, sector 0 op 0x0:(READ) flags 0x0 phys_seg 1 prio class 0 buffer_io_error: 18 callbacks suppressed Buffer I/O error on dev loop0, logical block 0, async page read I/O error, dev loop0, sector 0 op 0x0:(READ) flags 0x0 phys_seg 1 prio class 0 Buffer I/O error on dev loop0, logical block 0, async page read loop0: unable to read partition table I/O error, dev loop0, sector 0 op 0x0:(READ) flags 0x0 phys_seg 1 prio class 0 Buffer I/O error on dev loop0, logical block 0, async page read I/O error, dev loop0, sector 0 op 0x0:(READ) flags 0x0 phys_seg 1 prio class 0 Buffer I/O error on dev loop0, logical block 0, async page read I/O error, dev loop0, sector 0 op 0x0:(READ) flags 0x0 phys_seg 1 prio class 0 Buffer I/O error on dev loop0, logical block 0, async page read loop0: unable to read partition table I/O error, dev loop0, sector 0 op 0x0:(READ) flags 0x0 phys_seg 1 prio class 0 Buffer I/O error on dev loop0, logical block 0, async page read I/O error, dev loop0, sector 0 op 0x0:(READ) flags 0x0 phys_seg 1 prio class 0 Buffer I/O error on dev loop0, logical block 0, async page read I/O error, dev loop0, sector 0 op 0x0:(READ) flags 0x0 phys_seg 1 prio class 0 Buffer I/O error on dev loop0, logical block 0, async page read loop0: unable to read partition table EXT4-fs: quotafile must be on filesystem root EXT4-fs: quotafile must be on filesystem root netlink: 8 bytes leftover after parsing attributes in process `syz-executor.5'. device lo left promiscuous mode device lo entered promiscuous mode I/O error, dev loop0, sector 0 op 0x0:(READ) flags 0x0 phys_seg 1 prio class 0 Buffer I/O error on dev loop0, logical block 0, async page read sr 1:0:0:0: [sr0] CDROM not ready. Make sure there is a disc in the drive. I/O error, dev loop0, sector 0 op 0x0:(READ) flags 0x0 phys_seg 1 prio class 0 Buffer I/O error on dev loop0, logical block 0, async page read loop0: unable to read partition table netlink: 8 bytes leftover after parsing attributes in process `syz-executor.5'. sr 1:0:0:0: [sr0] CDROM not ready. Make sure there is a disc in the drive. loop0: unable to read partition table device lo left promiscuous mode device lo entered promiscuous mode netlink: 8 bytes leftover after parsing attributes in process `syz-executor.5'. sr 1:0:0:0: [sr0] CDROM not ready. Make sure there is a disc in the drive. device lo entered promiscuous mode netlink: 8 bytes leftover after parsing attributes in process `syz-executor.5'. sr 1:0:0:0: [sr0] CDROM not ready. Make sure there is a disc in the drive. device lo left promiscuous mode device lo entered promiscuous mode loop0: unable to read partition table device lo left promiscuous mode device lo left promiscuous mode device lo entered promiscuous mode device lo entered promiscuous mode loop0: unable to read partition table